1837f08fdSAnirudh Venkataramanan // SPDX-License-Identifier: GPL-2.0 2837f08fdSAnirudh Venkataramanan /* Copyright (c) 2018, Intel Corporation. */ 3837f08fdSAnirudh Venkataramanan 4837f08fdSAnirudh Venkataramanan /* Intel(R) Ethernet Connection E800 Series Linux Driver */ 5837f08fdSAnirudh Venkataramanan 6837f08fdSAnirudh Venkataramanan #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 7837f08fdSAnirudh Venkataramanan 834a2a3b8SJeff Kirsher #include <generated/utsrelease.h> 9837f08fdSAnirudh Venkataramanan #include "ice.h" 10eff380aaSAnirudh Venkataramanan #include "ice_base.h" 1145d3d428SAnirudh Venkataramanan #include "ice_lib.h" 121b8f15b6SMichal Swiatkowski #include "ice_fltr.h" 1337b6f646SAnirudh Venkataramanan #include "ice_dcb_lib.h" 14b94b013eSDave Ertman #include "ice_dcb_nl.h" 151adf7eadSJacob Keller #include "ice_devlink.h" 163089cf6dSJesse Brandeburg /* Including ice_trace.h with CREATE_TRACE_POINTS defined will generate the 173089cf6dSJesse Brandeburg * ice tracepoint functions. This must be done exactly once across the 183089cf6dSJesse Brandeburg * ice driver. 193089cf6dSJesse Brandeburg */ 203089cf6dSJesse Brandeburg #define CREATE_TRACE_POINTS 213089cf6dSJesse Brandeburg #include "ice_trace.h" 22b3be918dSGrzegorz Nitka #include "ice_eswitch.h" 230d08a441SKiran Patil #include "ice_tc_lib.h" 24c31af68aSBrett Creeley #include "ice_vsi_vlan_ops.h" 2566c0e13aSMarek Majtyka #include <net/xdp_sock_drv.h> 26837f08fdSAnirudh Venkataramanan 27837f08fdSAnirudh Venkataramanan #define DRV_SUMMARY "Intel(R) Ethernet Connection E800 Series Linux Driver" 28837f08fdSAnirudh Venkataramanan static const char ice_driver_string[] = DRV_SUMMARY; 29837f08fdSAnirudh Venkataramanan static const char ice_copyright[] = "Copyright (c) 2018, Intel Corporation."; 30837f08fdSAnirudh Venkataramanan 31462acf6aSTony Nguyen /* DDP Package file located in firmware search paths (e.g. /lib/firmware/) */ 32462acf6aSTony Nguyen #define ICE_DDP_PKG_PATH "intel/ice/ddp/" 33462acf6aSTony Nguyen #define ICE_DDP_PKG_FILE ICE_DDP_PKG_PATH "ice.pkg" 34462acf6aSTony Nguyen 35837f08fdSAnirudh Venkataramanan MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>"); 36837f08fdSAnirudh Venkataramanan MODULE_DESCRIPTION(DRV_SUMMARY); 3798674ebeSJesse Brandeburg MODULE_LICENSE("GPL v2"); 38462acf6aSTony Nguyen MODULE_FIRMWARE(ICE_DDP_PKG_FILE); 39837f08fdSAnirudh Venkataramanan 40837f08fdSAnirudh Venkataramanan static int debug = -1; 41837f08fdSAnirudh Venkataramanan module_param(debug, int, 0644); 427ec59eeaSAnirudh Venkataramanan #ifndef CONFIG_DYNAMIC_DEBUG 437ec59eeaSAnirudh Venkataramanan MODULE_PARM_DESC(debug, "netif level (0=none,...,16=all), hw debug_mask (0x8XXXXXXX)"); 447ec59eeaSAnirudh Venkataramanan #else 457ec59eeaSAnirudh Venkataramanan MODULE_PARM_DESC(debug, "netif level (0=none,...,16=all)"); 467ec59eeaSAnirudh Venkataramanan #endif /* !CONFIG_DYNAMIC_DEBUG */ 47837f08fdSAnirudh Venkataramanan 4822bf877eSMaciej Fijalkowski DEFINE_STATIC_KEY_FALSE(ice_xdp_locking_key); 4922bf877eSMaciej Fijalkowski EXPORT_SYMBOL(ice_xdp_locking_key); 50d25a0fc4SDave Ertman 51649c87c6SJacob Keller /** 52649c87c6SJacob Keller * ice_hw_to_dev - Get device pointer from the hardware structure 53649c87c6SJacob Keller * @hw: pointer to the device HW structure 54649c87c6SJacob Keller * 55649c87c6SJacob Keller * Used to access the device pointer from compilation units which can't easily 56649c87c6SJacob Keller * include the definition of struct ice_pf without leading to circular header 57649c87c6SJacob Keller * dependencies. 58649c87c6SJacob Keller */ 59649c87c6SJacob Keller struct device *ice_hw_to_dev(struct ice_hw *hw) 60649c87c6SJacob Keller { 61649c87c6SJacob Keller struct ice_pf *pf = container_of(hw, struct ice_pf, hw); 62649c87c6SJacob Keller 63649c87c6SJacob Keller return &pf->pdev->dev; 64649c87c6SJacob Keller } 65649c87c6SJacob Keller 66940b61afSAnirudh Venkataramanan static struct workqueue_struct *ice_wq; 67bb52f42aSDave Ertman struct workqueue_struct *ice_lag_wq; 68462acf6aSTony Nguyen static const struct net_device_ops ice_netdev_safe_mode_ops; 69cdedef59SAnirudh Venkataramanan static const struct net_device_ops ice_netdev_ops; 70940b61afSAnirudh Venkataramanan 71462acf6aSTony Nguyen static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type); 7228c2a645SAnirudh Venkataramanan 730f9d5027SAnirudh Venkataramanan static void ice_vsi_release_all(struct ice_pf *pf); 743a858ba3SAnirudh Venkataramanan 75fbc7b27aSKiran Patil static int ice_rebuild_channels(struct ice_pf *pf); 76fbc7b27aSKiran Patil static void ice_remove_q_channels(struct ice_vsi *vsi, bool rem_adv_fltr); 77fbc7b27aSKiran Patil 78195bb48fSMichal Swiatkowski static int 79195bb48fSMichal Swiatkowski ice_indr_setup_tc_cb(struct net_device *netdev, struct Qdisc *sch, 80195bb48fSMichal Swiatkowski void *cb_priv, enum tc_setup_type type, void *type_data, 81195bb48fSMichal Swiatkowski void *data, 82195bb48fSMichal Swiatkowski void (*cleanup)(struct flow_block_cb *block_cb)); 83195bb48fSMichal Swiatkowski 84f6e8fb55SWojciech Drewek bool netif_is_ice(const struct net_device *dev) 85df006dd4SDave Ertman { 86df006dd4SDave Ertman return dev && (dev->netdev_ops == &ice_netdev_ops); 87df006dd4SDave Ertman } 88df006dd4SDave Ertman 893a858ba3SAnirudh Venkataramanan /** 90b3969fd7SSudheer Mogilappagari * ice_get_tx_pending - returns number of Tx descriptors not processed 91b3969fd7SSudheer Mogilappagari * @ring: the ring of descriptors 92b3969fd7SSudheer Mogilappagari */ 93e72bba21SMaciej Fijalkowski static u16 ice_get_tx_pending(struct ice_tx_ring *ring) 94b3969fd7SSudheer Mogilappagari { 95c1ddf1f5SBrett Creeley u16 head, tail; 96b3969fd7SSudheer Mogilappagari 97b3969fd7SSudheer Mogilappagari head = ring->next_to_clean; 98c1ddf1f5SBrett Creeley tail = ring->next_to_use; 99b3969fd7SSudheer Mogilappagari 100b3969fd7SSudheer Mogilappagari if (head != tail) 101b3969fd7SSudheer Mogilappagari return (head < tail) ? 102b3969fd7SSudheer Mogilappagari tail - head : (tail + ring->count - head); 103b3969fd7SSudheer Mogilappagari return 0; 104b3969fd7SSudheer Mogilappagari } 105b3969fd7SSudheer Mogilappagari 106b3969fd7SSudheer Mogilappagari /** 107b3969fd7SSudheer Mogilappagari * ice_check_for_hang_subtask - check for and recover hung queues 108b3969fd7SSudheer Mogilappagari * @pf: pointer to PF struct 109b3969fd7SSudheer Mogilappagari */ 110b3969fd7SSudheer Mogilappagari static void ice_check_for_hang_subtask(struct ice_pf *pf) 111b3969fd7SSudheer Mogilappagari { 112b3969fd7SSudheer Mogilappagari struct ice_vsi *vsi = NULL; 113e89e899fSBrett Creeley struct ice_hw *hw; 114b3969fd7SSudheer Mogilappagari unsigned int i; 115b3969fd7SSudheer Mogilappagari int packets; 116e89e899fSBrett Creeley u32 v; 117b3969fd7SSudheer Mogilappagari 118b3969fd7SSudheer Mogilappagari ice_for_each_vsi(pf, v) 119b3969fd7SSudheer Mogilappagari if (pf->vsi[v] && pf->vsi[v]->type == ICE_VSI_PF) { 120b3969fd7SSudheer Mogilappagari vsi = pf->vsi[v]; 121b3969fd7SSudheer Mogilappagari break; 122b3969fd7SSudheer Mogilappagari } 123b3969fd7SSudheer Mogilappagari 124e97fb1aeSAnirudh Venkataramanan if (!vsi || test_bit(ICE_VSI_DOWN, vsi->state)) 125b3969fd7SSudheer Mogilappagari return; 126b3969fd7SSudheer Mogilappagari 127b3969fd7SSudheer Mogilappagari if (!(vsi->netdev && netif_carrier_ok(vsi->netdev))) 128b3969fd7SSudheer Mogilappagari return; 129b3969fd7SSudheer Mogilappagari 130e89e899fSBrett Creeley hw = &vsi->back->hw; 131e89e899fSBrett Creeley 1322faf63b6SMaciej Fijalkowski ice_for_each_txq(vsi, i) { 133e72bba21SMaciej Fijalkowski struct ice_tx_ring *tx_ring = vsi->tx_rings[i]; 134288ecf49SBenjamin Mikailenko struct ice_ring_stats *ring_stats; 135b3969fd7SSudheer Mogilappagari 136fbc7b27aSKiran Patil if (!tx_ring) 137fbc7b27aSKiran Patil continue; 138fbc7b27aSKiran Patil if (ice_ring_ch_enabled(tx_ring)) 139fbc7b27aSKiran Patil continue; 140fbc7b27aSKiran Patil 141288ecf49SBenjamin Mikailenko ring_stats = tx_ring->ring_stats; 142288ecf49SBenjamin Mikailenko if (!ring_stats) 143288ecf49SBenjamin Mikailenko continue; 144288ecf49SBenjamin Mikailenko 145fbc7b27aSKiran Patil if (tx_ring->desc) { 146b3969fd7SSudheer Mogilappagari /* If packet counter has not changed the queue is 147b3969fd7SSudheer Mogilappagari * likely stalled, so force an interrupt for this 148b3969fd7SSudheer Mogilappagari * queue. 149b3969fd7SSudheer Mogilappagari * 150b3969fd7SSudheer Mogilappagari * prev_pkt would be negative if there was no 151b3969fd7SSudheer Mogilappagari * pending work. 152b3969fd7SSudheer Mogilappagari */ 153288ecf49SBenjamin Mikailenko packets = ring_stats->stats.pkts & INT_MAX; 154288ecf49SBenjamin Mikailenko if (ring_stats->tx_stats.prev_pkt == packets) { 155b3969fd7SSudheer Mogilappagari /* Trigger sw interrupt to revive the queue */ 156e89e899fSBrett Creeley ice_trigger_sw_intr(hw, tx_ring->q_vector); 157b3969fd7SSudheer Mogilappagari continue; 158b3969fd7SSudheer Mogilappagari } 159b3969fd7SSudheer Mogilappagari 160b3969fd7SSudheer Mogilappagari /* Memory barrier between read of packet count and call 161b3969fd7SSudheer Mogilappagari * to ice_get_tx_pending() 162b3969fd7SSudheer Mogilappagari */ 163b3969fd7SSudheer Mogilappagari smp_rmb(); 164288ecf49SBenjamin Mikailenko ring_stats->tx_stats.prev_pkt = 165b3969fd7SSudheer Mogilappagari ice_get_tx_pending(tx_ring) ? packets : -1; 166b3969fd7SSudheer Mogilappagari } 167b3969fd7SSudheer Mogilappagari } 168b3969fd7SSudheer Mogilappagari } 169b3969fd7SSudheer Mogilappagari 170b3969fd7SSudheer Mogilappagari /** 171561f4379STony Nguyen * ice_init_mac_fltr - Set initial MAC filters 172561f4379STony Nguyen * @pf: board private structure 173561f4379STony Nguyen * 1742f2da36eSAnirudh Venkataramanan * Set initial set of MAC filters for PF VSI; configure filters for permanent 175561f4379STony Nguyen * address and broadcast address. If an error is encountered, netdevice will be 176561f4379STony Nguyen * unregistered. 177561f4379STony Nguyen */ 178561f4379STony Nguyen static int ice_init_mac_fltr(struct ice_pf *pf) 179561f4379STony Nguyen { 180561f4379STony Nguyen struct ice_vsi *vsi; 1811b8f15b6SMichal Swiatkowski u8 *perm_addr; 182561f4379STony Nguyen 183208ff751SAnirudh Venkataramanan vsi = ice_get_main_vsi(pf); 184561f4379STony Nguyen if (!vsi) 185561f4379STony Nguyen return -EINVAL; 186561f4379STony Nguyen 1871b8f15b6SMichal Swiatkowski perm_addr = vsi->port_info->mac.perm_addr; 188c1484691STony Nguyen return ice_fltr_add_mac_and_broadcast(vsi, perm_addr, ICE_FWD_TO_VSI); 189561f4379STony Nguyen } 190561f4379STony Nguyen 191561f4379STony Nguyen /** 192f9867df6SAnirudh Venkataramanan * ice_add_mac_to_sync_list - creates list of MAC addresses to be synced 193e94d4478SAnirudh Venkataramanan * @netdev: the net device on which the sync is happening 194f9867df6SAnirudh Venkataramanan * @addr: MAC address to sync 195e94d4478SAnirudh Venkataramanan * 196e94d4478SAnirudh Venkataramanan * This is a callback function which is called by the in kernel device sync 197e94d4478SAnirudh Venkataramanan * functions (like __dev_uc_sync, __dev_mc_sync, etc). This function only 198e94d4478SAnirudh Venkataramanan * populates the tmp_sync_list, which is later used by ice_add_mac to add the 199f9867df6SAnirudh Venkataramanan * MAC filters from the hardware. 200e94d4478SAnirudh Venkataramanan */ 201e94d4478SAnirudh Venkataramanan static int ice_add_mac_to_sync_list(struct net_device *netdev, const u8 *addr) 202e94d4478SAnirudh Venkataramanan { 203e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 204e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 205e94d4478SAnirudh Venkataramanan 2061b8f15b6SMichal Swiatkowski if (ice_fltr_add_mac_to_list(vsi, &vsi->tmp_sync_list, addr, 2071b8f15b6SMichal Swiatkowski ICE_FWD_TO_VSI)) 208e94d4478SAnirudh Venkataramanan return -EINVAL; 209e94d4478SAnirudh Venkataramanan 210e94d4478SAnirudh Venkataramanan return 0; 211e94d4478SAnirudh Venkataramanan } 212e94d4478SAnirudh Venkataramanan 213e94d4478SAnirudh Venkataramanan /** 214f9867df6SAnirudh Venkataramanan * ice_add_mac_to_unsync_list - creates list of MAC addresses to be unsynced 215e94d4478SAnirudh Venkataramanan * @netdev: the net device on which the unsync is happening 216f9867df6SAnirudh Venkataramanan * @addr: MAC address to unsync 217e94d4478SAnirudh Venkataramanan * 218e94d4478SAnirudh Venkataramanan * This is a callback function which is called by the in kernel device unsync 219e94d4478SAnirudh Venkataramanan * functions (like __dev_uc_unsync, __dev_mc_unsync, etc). This function only 220e94d4478SAnirudh Venkataramanan * populates the tmp_unsync_list, which is later used by ice_remove_mac to 221f9867df6SAnirudh Venkataramanan * delete the MAC filters from the hardware. 222e94d4478SAnirudh Venkataramanan */ 223e94d4478SAnirudh Venkataramanan static int ice_add_mac_to_unsync_list(struct net_device *netdev, const u8 *addr) 224e94d4478SAnirudh Venkataramanan { 225e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 226e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 227e94d4478SAnirudh Venkataramanan 2283ba7f53fSBrett Creeley /* Under some circumstances, we might receive a request to delete our 2293ba7f53fSBrett Creeley * own device address from our uc list. Because we store the device 2303ba7f53fSBrett Creeley * address in the VSI's MAC filter list, we need to ignore such 2313ba7f53fSBrett Creeley * requests and not delete our device address from this list. 2323ba7f53fSBrett Creeley */ 2333ba7f53fSBrett Creeley if (ether_addr_equal(addr, netdev->dev_addr)) 2343ba7f53fSBrett Creeley return 0; 2353ba7f53fSBrett Creeley 2361b8f15b6SMichal Swiatkowski if (ice_fltr_add_mac_to_list(vsi, &vsi->tmp_unsync_list, addr, 2371b8f15b6SMichal Swiatkowski ICE_FWD_TO_VSI)) 238e94d4478SAnirudh Venkataramanan return -EINVAL; 239e94d4478SAnirudh Venkataramanan 240e94d4478SAnirudh Venkataramanan return 0; 241e94d4478SAnirudh Venkataramanan } 242e94d4478SAnirudh Venkataramanan 243e94d4478SAnirudh Venkataramanan /** 244e94d4478SAnirudh Venkataramanan * ice_vsi_fltr_changed - check if filter state changed 245e94d4478SAnirudh Venkataramanan * @vsi: VSI to be checked 246e94d4478SAnirudh Venkataramanan * 247e94d4478SAnirudh Venkataramanan * returns true if filter state has changed, false otherwise. 248e94d4478SAnirudh Venkataramanan */ 249e94d4478SAnirudh Venkataramanan static bool ice_vsi_fltr_changed(struct ice_vsi *vsi) 250e94d4478SAnirudh Venkataramanan { 251e97fb1aeSAnirudh Venkataramanan return test_bit(ICE_VSI_UMAC_FLTR_CHANGED, vsi->state) || 2521273f895SIvan Vecera test_bit(ICE_VSI_MMAC_FLTR_CHANGED, vsi->state); 253e94d4478SAnirudh Venkataramanan } 254e94d4478SAnirudh Venkataramanan 255e94d4478SAnirudh Venkataramanan /** 256fabf480bSBrett Creeley * ice_set_promisc - Enable promiscuous mode for a given PF 2575eda8afdSAkeem G Abodunrin * @vsi: the VSI being configured 2585eda8afdSAkeem G Abodunrin * @promisc_m: mask of promiscuous config bits 2595eda8afdSAkeem G Abodunrin * 2605eda8afdSAkeem G Abodunrin */ 261fabf480bSBrett Creeley static int ice_set_promisc(struct ice_vsi *vsi, u8 promisc_m) 2625eda8afdSAkeem G Abodunrin { 2635e24d598STony Nguyen int status; 2645eda8afdSAkeem G Abodunrin 2655eda8afdSAkeem G Abodunrin if (vsi->type != ICE_VSI_PF) 2665eda8afdSAkeem G Abodunrin return 0; 2675eda8afdSAkeem G Abodunrin 2681273f895SIvan Vecera if (ice_vsi_has_non_zero_vlans(vsi)) { 2691273f895SIvan Vecera promisc_m |= (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX); 2701273f895SIvan Vecera status = ice_fltr_set_vlan_vsi_promisc(&vsi->back->hw, vsi, 2711273f895SIvan Vecera promisc_m); 2721273f895SIvan Vecera } else { 2731273f895SIvan Vecera status = ice_fltr_set_vsi_promisc(&vsi->back->hw, vsi->idx, 2741273f895SIvan Vecera promisc_m, 0); 2751273f895SIvan Vecera } 276abddafd4SGrzegorz Siwik if (status && status != -EEXIST) 277c1484691STony Nguyen return status; 278abddafd4SGrzegorz Siwik 27943fbca02SJesse Brandeburg netdev_dbg(vsi->netdev, "set promisc filter bits for VSI %i: 0x%x\n", 28043fbca02SJesse Brandeburg vsi->vsi_num, promisc_m); 281abddafd4SGrzegorz Siwik return 0; 2825eda8afdSAkeem G Abodunrin } 2835eda8afdSAkeem G Abodunrin 284fabf480bSBrett Creeley /** 285fabf480bSBrett Creeley * ice_clear_promisc - Disable promiscuous mode for a given PF 286fabf480bSBrett Creeley * @vsi: the VSI being configured 287fabf480bSBrett Creeley * @promisc_m: mask of promiscuous config bits 288fabf480bSBrett Creeley * 289fabf480bSBrett Creeley */ 290fabf480bSBrett Creeley static int ice_clear_promisc(struct ice_vsi *vsi, u8 promisc_m) 291fabf480bSBrett Creeley { 2925e24d598STony Nguyen int status; 293fabf480bSBrett Creeley 294fabf480bSBrett Creeley if (vsi->type != ICE_VSI_PF) 295fabf480bSBrett Creeley return 0; 296fabf480bSBrett Creeley 2971273f895SIvan Vecera if (ice_vsi_has_non_zero_vlans(vsi)) { 2981273f895SIvan Vecera promisc_m |= (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX); 2991273f895SIvan Vecera status = ice_fltr_clear_vlan_vsi_promisc(&vsi->back->hw, vsi, 3001273f895SIvan Vecera promisc_m); 3011273f895SIvan Vecera } else { 3021273f895SIvan Vecera status = ice_fltr_clear_vsi_promisc(&vsi->back->hw, vsi->idx, 3031273f895SIvan Vecera promisc_m, 0); 3041273f895SIvan Vecera } 3051273f895SIvan Vecera 30643fbca02SJesse Brandeburg netdev_dbg(vsi->netdev, "clear promisc filter bits for VSI %i: 0x%x\n", 30743fbca02SJesse Brandeburg vsi->vsi_num, promisc_m); 308c1484691STony Nguyen return status; 3095eda8afdSAkeem G Abodunrin } 3105eda8afdSAkeem G Abodunrin 3115eda8afdSAkeem G Abodunrin /** 312e94d4478SAnirudh Venkataramanan * ice_vsi_sync_fltr - Update the VSI filter list to the HW 313e94d4478SAnirudh Venkataramanan * @vsi: ptr to the VSI 314e94d4478SAnirudh Venkataramanan * 315e94d4478SAnirudh Venkataramanan * Push any outstanding VSI filter changes through the AdminQ. 316e94d4478SAnirudh Venkataramanan */ 317e94d4478SAnirudh Venkataramanan static int ice_vsi_sync_fltr(struct ice_vsi *vsi) 318e94d4478SAnirudh Venkataramanan { 319c31af68aSBrett Creeley struct ice_vsi_vlan_ops *vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 3209a946843SAnirudh Venkataramanan struct device *dev = ice_pf_to_dev(vsi->back); 321e94d4478SAnirudh Venkataramanan struct net_device *netdev = vsi->netdev; 322e94d4478SAnirudh Venkataramanan bool promisc_forced_on = false; 323e94d4478SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 324e94d4478SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 325e94d4478SAnirudh Venkataramanan u32 changed_flags = 0; 3262ccc1c1cSTony Nguyen int err; 327e94d4478SAnirudh Venkataramanan 328e94d4478SAnirudh Venkataramanan if (!vsi->netdev) 329e94d4478SAnirudh Venkataramanan return -EINVAL; 330e94d4478SAnirudh Venkataramanan 3317e408e07SAnirudh Venkataramanan while (test_and_set_bit(ICE_CFG_BUSY, vsi->state)) 332e94d4478SAnirudh Venkataramanan usleep_range(1000, 2000); 333e94d4478SAnirudh Venkataramanan 334e94d4478SAnirudh Venkataramanan changed_flags = vsi->current_netdev_flags ^ vsi->netdev->flags; 335e94d4478SAnirudh Venkataramanan vsi->current_netdev_flags = vsi->netdev->flags; 336e94d4478SAnirudh Venkataramanan 337e94d4478SAnirudh Venkataramanan INIT_LIST_HEAD(&vsi->tmp_sync_list); 338e94d4478SAnirudh Venkataramanan INIT_LIST_HEAD(&vsi->tmp_unsync_list); 339e94d4478SAnirudh Venkataramanan 340e94d4478SAnirudh Venkataramanan if (ice_vsi_fltr_changed(vsi)) { 341e97fb1aeSAnirudh Venkataramanan clear_bit(ICE_VSI_UMAC_FLTR_CHANGED, vsi->state); 342e97fb1aeSAnirudh Venkataramanan clear_bit(ICE_VSI_MMAC_FLTR_CHANGED, vsi->state); 343e94d4478SAnirudh Venkataramanan 344e94d4478SAnirudh Venkataramanan /* grab the netdev's addr_list_lock */ 345e94d4478SAnirudh Venkataramanan netif_addr_lock_bh(netdev); 346e94d4478SAnirudh Venkataramanan __dev_uc_sync(netdev, ice_add_mac_to_sync_list, 347e94d4478SAnirudh Venkataramanan ice_add_mac_to_unsync_list); 348e94d4478SAnirudh Venkataramanan __dev_mc_sync(netdev, ice_add_mac_to_sync_list, 349e94d4478SAnirudh Venkataramanan ice_add_mac_to_unsync_list); 350e94d4478SAnirudh Venkataramanan /* our temp lists are populated. release lock */ 351e94d4478SAnirudh Venkataramanan netif_addr_unlock_bh(netdev); 352e94d4478SAnirudh Venkataramanan } 353e94d4478SAnirudh Venkataramanan 354f9867df6SAnirudh Venkataramanan /* Remove MAC addresses in the unsync list */ 3552ccc1c1cSTony Nguyen err = ice_fltr_remove_mac_list(vsi, &vsi->tmp_unsync_list); 3561b8f15b6SMichal Swiatkowski ice_fltr_free_list(dev, &vsi->tmp_unsync_list); 3572ccc1c1cSTony Nguyen if (err) { 358e94d4478SAnirudh Venkataramanan netdev_err(netdev, "Failed to delete MAC filters\n"); 359e94d4478SAnirudh Venkataramanan /* if we failed because of alloc failures, just bail */ 3602ccc1c1cSTony Nguyen if (err == -ENOMEM) 361e94d4478SAnirudh Venkataramanan goto out; 362e94d4478SAnirudh Venkataramanan } 363e94d4478SAnirudh Venkataramanan 364f9867df6SAnirudh Venkataramanan /* Add MAC addresses in the sync list */ 3652ccc1c1cSTony Nguyen err = ice_fltr_add_mac_list(vsi, &vsi->tmp_sync_list); 3661b8f15b6SMichal Swiatkowski ice_fltr_free_list(dev, &vsi->tmp_sync_list); 36789f3e4a5SPreethi Banala /* If filter is added successfully or already exists, do not go into 36889f3e4a5SPreethi Banala * 'if' condition and report it as error. Instead continue processing 36989f3e4a5SPreethi Banala * rest of the function. 37089f3e4a5SPreethi Banala */ 3712ccc1c1cSTony Nguyen if (err && err != -EEXIST) { 372e94d4478SAnirudh Venkataramanan netdev_err(netdev, "Failed to add MAC filters\n"); 373f9867df6SAnirudh Venkataramanan /* If there is no more space for new umac filters, VSI 374e94d4478SAnirudh Venkataramanan * should go into promiscuous mode. There should be some 375e94d4478SAnirudh Venkataramanan * space reserved for promiscuous filters. 376e94d4478SAnirudh Venkataramanan */ 377e94d4478SAnirudh Venkataramanan if (hw->adminq.sq_last_status == ICE_AQ_RC_ENOSPC && 3787e408e07SAnirudh Venkataramanan !test_and_set_bit(ICE_FLTR_OVERFLOW_PROMISC, 379e94d4478SAnirudh Venkataramanan vsi->state)) { 380e94d4478SAnirudh Venkataramanan promisc_forced_on = true; 38119cce2c6SAnirudh Venkataramanan netdev_warn(netdev, "Reached MAC filter limit, forcing promisc mode on VSI %d\n", 382e94d4478SAnirudh Venkataramanan vsi->vsi_num); 383e94d4478SAnirudh Venkataramanan } else { 384e94d4478SAnirudh Venkataramanan goto out; 385e94d4478SAnirudh Venkataramanan } 386e94d4478SAnirudh Venkataramanan } 3872ccc1c1cSTony Nguyen err = 0; 388e94d4478SAnirudh Venkataramanan /* check for changes in promiscuous modes */ 3895eda8afdSAkeem G Abodunrin if (changed_flags & IFF_ALLMULTI) { 3905eda8afdSAkeem G Abodunrin if (vsi->current_netdev_flags & IFF_ALLMULTI) { 3911273f895SIvan Vecera err = ice_set_promisc(vsi, ICE_MCAST_PROMISC_BITS); 3925eda8afdSAkeem G Abodunrin if (err) { 3935eda8afdSAkeem G Abodunrin vsi->current_netdev_flags &= ~IFF_ALLMULTI; 3945eda8afdSAkeem G Abodunrin goto out_promisc; 3955eda8afdSAkeem G Abodunrin } 39692ace482SBruce Allan } else { 39792ace482SBruce Allan /* !(vsi->current_netdev_flags & IFF_ALLMULTI) */ 3981273f895SIvan Vecera err = ice_clear_promisc(vsi, ICE_MCAST_PROMISC_BITS); 3995eda8afdSAkeem G Abodunrin if (err) { 4005eda8afdSAkeem G Abodunrin vsi->current_netdev_flags |= IFF_ALLMULTI; 4015eda8afdSAkeem G Abodunrin goto out_promisc; 4025eda8afdSAkeem G Abodunrin } 4035eda8afdSAkeem G Abodunrin } 4045eda8afdSAkeem G Abodunrin } 405e94d4478SAnirudh Venkataramanan 406e94d4478SAnirudh Venkataramanan if (((changed_flags & IFF_PROMISC) || promisc_forced_on) || 407e97fb1aeSAnirudh Venkataramanan test_bit(ICE_VSI_PROMISC_CHANGED, vsi->state)) { 408e97fb1aeSAnirudh Venkataramanan clear_bit(ICE_VSI_PROMISC_CHANGED, vsi->state); 409e94d4478SAnirudh Venkataramanan if (vsi->current_netdev_flags & IFF_PROMISC) { 410f9867df6SAnirudh Venkataramanan /* Apply Rx filter rule to get traffic from wire */ 411d7393425SMichal Wilczynski if (!ice_is_dflt_vsi_in_use(vsi->port_info)) { 412d7393425SMichal Wilczynski err = ice_set_dflt_vsi(vsi); 413fc0f39bcSBrett Creeley if (err && err != -EEXIST) { 41419cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Error %d setting default VSI %i Rx rule\n", 415fc0f39bcSBrett Creeley err, vsi->vsi_num); 416fc0f39bcSBrett Creeley vsi->current_netdev_flags &= 417fc0f39bcSBrett Creeley ~IFF_PROMISC; 418e94d4478SAnirudh Venkataramanan goto out_promisc; 419e94d4478SAnirudh Venkataramanan } 4202ccc1c1cSTony Nguyen err = 0; 421c31af68aSBrett Creeley vlan_ops->dis_rx_filtering(vsi); 42243fbca02SJesse Brandeburg 42343fbca02SJesse Brandeburg /* promiscuous mode implies allmulticast so 42443fbca02SJesse Brandeburg * that VSIs that are in promiscuous mode are 42543fbca02SJesse Brandeburg * subscribed to multicast packets coming to 42643fbca02SJesse Brandeburg * the port 42743fbca02SJesse Brandeburg */ 42843fbca02SJesse Brandeburg err = ice_set_promisc(vsi, 42943fbca02SJesse Brandeburg ICE_MCAST_PROMISC_BITS); 43043fbca02SJesse Brandeburg if (err) 43143fbca02SJesse Brandeburg goto out_promisc; 432fc0f39bcSBrett Creeley } 433e94d4478SAnirudh Venkataramanan } else { 434f9867df6SAnirudh Venkataramanan /* Clear Rx filter to remove traffic from wire */ 435d7393425SMichal Wilczynski if (ice_is_vsi_dflt_vsi(vsi)) { 436d7393425SMichal Wilczynski err = ice_clear_dflt_vsi(vsi); 437fc0f39bcSBrett Creeley if (err) { 43819cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Error %d clearing default VSI %i Rx rule\n", 439fc0f39bcSBrett Creeley err, vsi->vsi_num); 440fc0f39bcSBrett Creeley vsi->current_netdev_flags |= 441fc0f39bcSBrett Creeley IFF_PROMISC; 442e94d4478SAnirudh Venkataramanan goto out_promisc; 443e94d4478SAnirudh Venkataramanan } 4447dc839feSJian Shen if (vsi->netdev->features & 4451babaf77SBrett Creeley NETIF_F_HW_VLAN_CTAG_FILTER) 446c31af68aSBrett Creeley vlan_ops->ena_rx_filtering(vsi); 447e94d4478SAnirudh Venkataramanan } 44843fbca02SJesse Brandeburg 44943fbca02SJesse Brandeburg /* disable allmulti here, but only if allmulti is not 45043fbca02SJesse Brandeburg * still enabled for the netdev 45143fbca02SJesse Brandeburg */ 45243fbca02SJesse Brandeburg if (!(vsi->current_netdev_flags & IFF_ALLMULTI)) { 45343fbca02SJesse Brandeburg err = ice_clear_promisc(vsi, 45443fbca02SJesse Brandeburg ICE_MCAST_PROMISC_BITS); 45543fbca02SJesse Brandeburg if (err) { 45643fbca02SJesse Brandeburg netdev_err(netdev, "Error %d clearing multicast promiscuous on VSI %i\n", 45743fbca02SJesse Brandeburg err, vsi->vsi_num); 45843fbca02SJesse Brandeburg } 45943fbca02SJesse Brandeburg } 460e94d4478SAnirudh Venkataramanan } 461fc0f39bcSBrett Creeley } 462e94d4478SAnirudh Venkataramanan goto exit; 463e94d4478SAnirudh Venkataramanan 464e94d4478SAnirudh Venkataramanan out_promisc: 465e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_PROMISC_CHANGED, vsi->state); 466e94d4478SAnirudh Venkataramanan goto exit; 467e94d4478SAnirudh Venkataramanan out: 468e94d4478SAnirudh Venkataramanan /* if something went wrong then set the changed flag so we try again */ 469e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_UMAC_FLTR_CHANGED, vsi->state); 470e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_MMAC_FLTR_CHANGED, vsi->state); 471e94d4478SAnirudh Venkataramanan exit: 4727e408e07SAnirudh Venkataramanan clear_bit(ICE_CFG_BUSY, vsi->state); 473e94d4478SAnirudh Venkataramanan return err; 474e94d4478SAnirudh Venkataramanan } 475e94d4478SAnirudh Venkataramanan 476e94d4478SAnirudh Venkataramanan /** 477e94d4478SAnirudh Venkataramanan * ice_sync_fltr_subtask - Sync the VSI filter list with HW 478e94d4478SAnirudh Venkataramanan * @pf: board private structure 479e94d4478SAnirudh Venkataramanan */ 480e94d4478SAnirudh Venkataramanan static void ice_sync_fltr_subtask(struct ice_pf *pf) 481e94d4478SAnirudh Venkataramanan { 482e94d4478SAnirudh Venkataramanan int v; 483e94d4478SAnirudh Venkataramanan 484e94d4478SAnirudh Venkataramanan if (!pf || !(test_bit(ICE_FLAG_FLTR_SYNC, pf->flags))) 485e94d4478SAnirudh Venkataramanan return; 486e94d4478SAnirudh Venkataramanan 487e94d4478SAnirudh Venkataramanan clear_bit(ICE_FLAG_FLTR_SYNC, pf->flags); 488e94d4478SAnirudh Venkataramanan 48980ed404aSBrett Creeley ice_for_each_vsi(pf, v) 490e94d4478SAnirudh Venkataramanan if (pf->vsi[v] && ice_vsi_fltr_changed(pf->vsi[v]) && 491e94d4478SAnirudh Venkataramanan ice_vsi_sync_fltr(pf->vsi[v])) { 492e94d4478SAnirudh Venkataramanan /* come back and try again later */ 493e94d4478SAnirudh Venkataramanan set_bit(ICE_FLAG_FLTR_SYNC, pf->flags); 494e94d4478SAnirudh Venkataramanan break; 495e94d4478SAnirudh Venkataramanan } 496e94d4478SAnirudh Venkataramanan } 497e94d4478SAnirudh Venkataramanan 498e94d4478SAnirudh Venkataramanan /** 4997b9ffc76SAnirudh Venkataramanan * ice_pf_dis_all_vsi - Pause all VSIs on a PF 5007b9ffc76SAnirudh Venkataramanan * @pf: the PF 5017b9ffc76SAnirudh Venkataramanan * @locked: is the rtnl_lock already held 5027b9ffc76SAnirudh Venkataramanan */ 5037b9ffc76SAnirudh Venkataramanan static void ice_pf_dis_all_vsi(struct ice_pf *pf, bool locked) 5047b9ffc76SAnirudh Venkataramanan { 505b126bd6bSKiran Patil int node; 5067b9ffc76SAnirudh Venkataramanan int v; 5077b9ffc76SAnirudh Venkataramanan 5087b9ffc76SAnirudh Venkataramanan ice_for_each_vsi(pf, v) 5097b9ffc76SAnirudh Venkataramanan if (pf->vsi[v]) 5107b9ffc76SAnirudh Venkataramanan ice_dis_vsi(pf->vsi[v], locked); 511b126bd6bSKiran Patil 512b126bd6bSKiran Patil for (node = 0; node < ICE_MAX_PF_AGG_NODES; node++) 513b126bd6bSKiran Patil pf->pf_agg_node[node].num_vsis = 0; 514b126bd6bSKiran Patil 515b126bd6bSKiran Patil for (node = 0; node < ICE_MAX_VF_AGG_NODES; node++) 516b126bd6bSKiran Patil pf->vf_agg_node[node].num_vsis = 0; 5177b9ffc76SAnirudh Venkataramanan } 5187b9ffc76SAnirudh Venkataramanan 5197b9ffc76SAnirudh Venkataramanan /** 520c1e5da5dSWojciech Drewek * ice_clear_sw_switch_recipes - clear switch recipes 521c1e5da5dSWojciech Drewek * @pf: board private structure 522c1e5da5dSWojciech Drewek * 523c1e5da5dSWojciech Drewek * Mark switch recipes as not created in sw structures. There are cases where 524c1e5da5dSWojciech Drewek * rules (especially advanced rules) need to be restored, either re-read from 525c1e5da5dSWojciech Drewek * hardware or added again. For example after the reset. 'recp_created' flag 526c1e5da5dSWojciech Drewek * prevents from doing that and need to be cleared upfront. 527c1e5da5dSWojciech Drewek */ 528c1e5da5dSWojciech Drewek static void ice_clear_sw_switch_recipes(struct ice_pf *pf) 529c1e5da5dSWojciech Drewek { 530c1e5da5dSWojciech Drewek struct ice_sw_recipe *recp; 531c1e5da5dSWojciech Drewek u8 i; 532c1e5da5dSWojciech Drewek 533c1e5da5dSWojciech Drewek recp = pf->hw.switch_info->recp_list; 534c1e5da5dSWojciech Drewek for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) 535c1e5da5dSWojciech Drewek recp[i].recp_created = false; 536c1e5da5dSWojciech Drewek } 537c1e5da5dSWojciech Drewek 538c1e5da5dSWojciech Drewek /** 539fbc7b27aSKiran Patil * ice_prepare_for_reset - prep for reset 5400b28b702SAnirudh Venkataramanan * @pf: board private structure 541fbc7b27aSKiran Patil * @reset_type: reset type requested 5420b28b702SAnirudh Venkataramanan * 5430b28b702SAnirudh Venkataramanan * Inform or close all dependent features in prep for reset. 5440b28b702SAnirudh Venkataramanan */ 5450b28b702SAnirudh Venkataramanan static void 546fbc7b27aSKiran Patil ice_prepare_for_reset(struct ice_pf *pf, enum ice_reset_req reset_type) 5470b28b702SAnirudh Venkataramanan { 5480b28b702SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 549fbc7b27aSKiran Patil struct ice_vsi *vsi; 550c4c2c7dbSJacob Keller struct ice_vf *vf; 551c4c2c7dbSJacob Keller unsigned int bkt; 5520b28b702SAnirudh Venkataramanan 553fbc7b27aSKiran Patil dev_dbg(ice_pf_to_dev(pf), "reset_type=%d\n", reset_type); 554fbc7b27aSKiran Patil 5555abac9d7SBrett Creeley /* already prepared for reset */ 5567e408e07SAnirudh Venkataramanan if (test_bit(ICE_PREPARED_FOR_RESET, pf->state)) 5575abac9d7SBrett Creeley return; 5585abac9d7SBrett Creeley 559f9f5301eSDave Ertman ice_unplug_aux_dev(pf); 560f9f5301eSDave Ertman 561007676b4SAnirudh Venkataramanan /* Notify VFs of impending reset */ 562007676b4SAnirudh Venkataramanan if (ice_check_sq_alive(hw, &hw->mailboxq)) 563007676b4SAnirudh Venkataramanan ice_vc_notify_reset(pf); 564007676b4SAnirudh Venkataramanan 565c7aeb4d1SAkeem G Abodunrin /* Disable VFs until reset is completed */ 5663d5985a1SJacob Keller mutex_lock(&pf->vfs.table_lock); 567c4c2c7dbSJacob Keller ice_for_each_vf(pf, bkt, vf) 568fa4a15c8SJacob Keller ice_set_vf_state_dis(vf); 5693d5985a1SJacob Keller mutex_unlock(&pf->vfs.table_lock); 570c7aeb4d1SAkeem G Abodunrin 571c1e5da5dSWojciech Drewek if (ice_is_eswitch_mode_switchdev(pf)) { 572c1e5da5dSWojciech Drewek if (reset_type != ICE_RESET_PFR) 573c1e5da5dSWojciech Drewek ice_clear_sw_switch_recipes(pf); 574c1e5da5dSWojciech Drewek } 575c1e5da5dSWojciech Drewek 576fbc7b27aSKiran Patil /* release ADQ specific HW and SW resources */ 577fbc7b27aSKiran Patil vsi = ice_get_main_vsi(pf); 578fbc7b27aSKiran Patil if (!vsi) 579fbc7b27aSKiran Patil goto skip; 580fbc7b27aSKiran Patil 581fbc7b27aSKiran Patil /* to be on safe side, reset orig_rss_size so that normal flow 582fbc7b27aSKiran Patil * of deciding rss_size can take precedence 583fbc7b27aSKiran Patil */ 584fbc7b27aSKiran Patil vsi->orig_rss_size = 0; 585fbc7b27aSKiran Patil 586fbc7b27aSKiran Patil if (test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) { 587fbc7b27aSKiran Patil if (reset_type == ICE_RESET_PFR) { 588fbc7b27aSKiran Patil vsi->old_ena_tc = vsi->all_enatc; 589fbc7b27aSKiran Patil vsi->old_numtc = vsi->all_numtc; 590fbc7b27aSKiran Patil } else { 591fbc7b27aSKiran Patil ice_remove_q_channels(vsi, true); 592fbc7b27aSKiran Patil 593fbc7b27aSKiran Patil /* for other reset type, do not support channel rebuild 594fbc7b27aSKiran Patil * hence reset needed info 595fbc7b27aSKiran Patil */ 596fbc7b27aSKiran Patil vsi->old_ena_tc = 0; 597fbc7b27aSKiran Patil vsi->all_enatc = 0; 598fbc7b27aSKiran Patil vsi->old_numtc = 0; 599fbc7b27aSKiran Patil vsi->all_numtc = 0; 600fbc7b27aSKiran Patil vsi->req_txq = 0; 601fbc7b27aSKiran Patil vsi->req_rxq = 0; 602fbc7b27aSKiran Patil clear_bit(ICE_FLAG_TC_MQPRIO, pf->flags); 603fbc7b27aSKiran Patil memset(&vsi->mqprio_qopt, 0, sizeof(vsi->mqprio_qopt)); 604fbc7b27aSKiran Patil } 605fbc7b27aSKiran Patil } 606fbc7b27aSKiran Patil skip: 607fbc7b27aSKiran Patil 608462acf6aSTony Nguyen /* clear SW filtering DB */ 609462acf6aSTony Nguyen ice_clear_hw_tbls(hw); 6100b28b702SAnirudh Venkataramanan /* disable the VSIs and their queues that are not already DOWN */ 6117b9ffc76SAnirudh Venkataramanan ice_pf_dis_all_vsi(pf, false); 6120b28b702SAnirudh Venkataramanan 61306c16d89SJacob Keller if (test_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags)) 61448096710SKarol Kolacinski ice_ptp_prepare_for_reset(pf); 61506c16d89SJacob Keller 61643113ff7SKarol Kolacinski if (ice_is_feature_supported(pf, ICE_F_GNSS)) 61743113ff7SKarol Kolacinski ice_gnss_exit(pf); 61843113ff7SKarol Kolacinski 619c5a2a4a3SUsha Ketineni if (hw->port_info) 620c5a2a4a3SUsha Ketineni ice_sched_clear_port(hw->port_info); 621c5a2a4a3SUsha Ketineni 6220b28b702SAnirudh Venkataramanan ice_shutdown_all_ctrlq(hw); 6230f9d5027SAnirudh Venkataramanan 6247e408e07SAnirudh Venkataramanan set_bit(ICE_PREPARED_FOR_RESET, pf->state); 6250b28b702SAnirudh Venkataramanan } 6260b28b702SAnirudh Venkataramanan 6270b28b702SAnirudh Venkataramanan /** 6280b28b702SAnirudh Venkataramanan * ice_do_reset - Initiate one of many types of resets 6290b28b702SAnirudh Venkataramanan * @pf: board private structure 630fbc7b27aSKiran Patil * @reset_type: reset type requested before this function was called. 6310b28b702SAnirudh Venkataramanan */ 6320b28b702SAnirudh Venkataramanan static void ice_do_reset(struct ice_pf *pf, enum ice_reset_req reset_type) 6330b28b702SAnirudh Venkataramanan { 6344015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 6350b28b702SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 6360b28b702SAnirudh Venkataramanan 6370b28b702SAnirudh Venkataramanan dev_dbg(dev, "reset_type 0x%x requested\n", reset_type); 6380b28b702SAnirudh Venkataramanan 6393579aa86SDave Ertman if (pf->lag && pf->lag->bonded && reset_type == ICE_RESET_PFR) { 6403579aa86SDave Ertman dev_dbg(dev, "PFR on a bonded interface, promoting to CORER\n"); 6413579aa86SDave Ertman reset_type = ICE_RESET_CORER; 6423579aa86SDave Ertman } 6433579aa86SDave Ertman 644fbc7b27aSKiran Patil ice_prepare_for_reset(pf, reset_type); 6450b28b702SAnirudh Venkataramanan 6460b28b702SAnirudh Venkataramanan /* trigger the reset */ 6470b28b702SAnirudh Venkataramanan if (ice_reset(hw, reset_type)) { 6480b28b702SAnirudh Venkataramanan dev_err(dev, "reset %d failed\n", reset_type); 6497e408e07SAnirudh Venkataramanan set_bit(ICE_RESET_FAILED, pf->state); 6507e408e07SAnirudh Venkataramanan clear_bit(ICE_RESET_OICR_RECV, pf->state); 6517e408e07SAnirudh Venkataramanan clear_bit(ICE_PREPARED_FOR_RESET, pf->state); 6527e408e07SAnirudh Venkataramanan clear_bit(ICE_PFR_REQ, pf->state); 6537e408e07SAnirudh Venkataramanan clear_bit(ICE_CORER_REQ, pf->state); 6547e408e07SAnirudh Venkataramanan clear_bit(ICE_GLOBR_REQ, pf->state); 6551c08052eSJacob Keller wake_up(&pf->reset_wait_queue); 6560b28b702SAnirudh Venkataramanan return; 6570b28b702SAnirudh Venkataramanan } 6580b28b702SAnirudh Venkataramanan 6590f9d5027SAnirudh Venkataramanan /* PFR is a bit of a special case because it doesn't result in an OICR 6600f9d5027SAnirudh Venkataramanan * interrupt. So for PFR, rebuild after the reset and clear the reset- 6610f9d5027SAnirudh Venkataramanan * associated state bits. 6620f9d5027SAnirudh Venkataramanan */ 6630b28b702SAnirudh Venkataramanan if (reset_type == ICE_RESET_PFR) { 6640b28b702SAnirudh Venkataramanan pf->pfr_count++; 665462acf6aSTony Nguyen ice_rebuild(pf, reset_type); 6667e408e07SAnirudh Venkataramanan clear_bit(ICE_PREPARED_FOR_RESET, pf->state); 6677e408e07SAnirudh Venkataramanan clear_bit(ICE_PFR_REQ, pf->state); 6681c08052eSJacob Keller wake_up(&pf->reset_wait_queue); 669dac57288SJacob Keller ice_reset_all_vfs(pf); 6700b28b702SAnirudh Venkataramanan } 6710b28b702SAnirudh Venkataramanan } 6720b28b702SAnirudh Venkataramanan 6730b28b702SAnirudh Venkataramanan /** 6740b28b702SAnirudh Venkataramanan * ice_reset_subtask - Set up for resetting the device and driver 6750b28b702SAnirudh Venkataramanan * @pf: board private structure 6760b28b702SAnirudh Venkataramanan */ 6770b28b702SAnirudh Venkataramanan static void ice_reset_subtask(struct ice_pf *pf) 6780b28b702SAnirudh Venkataramanan { 6790f9d5027SAnirudh Venkataramanan enum ice_reset_req reset_type = ICE_RESET_INVAL; 6800b28b702SAnirudh Venkataramanan 6810b28b702SAnirudh Venkataramanan /* When a CORER/GLOBR/EMPR is about to happen, the hardware triggers an 6820f9d5027SAnirudh Venkataramanan * OICR interrupt. The OICR handler (ice_misc_intr) determines what type 6830f9d5027SAnirudh Venkataramanan * of reset is pending and sets bits in pf->state indicating the reset 6847e408e07SAnirudh Venkataramanan * type and ICE_RESET_OICR_RECV. So, if the latter bit is set 6850f9d5027SAnirudh Venkataramanan * prepare for pending reset if not already (for PF software-initiated 6860f9d5027SAnirudh Venkataramanan * global resets the software should already be prepared for it as 6877e408e07SAnirudh Venkataramanan * indicated by ICE_PREPARED_FOR_RESET; for global resets initiated 6880f9d5027SAnirudh Venkataramanan * by firmware or software on other PFs, that bit is not set so prepare 6890f9d5027SAnirudh Venkataramanan * for the reset now), poll for reset done, rebuild and return. 6900b28b702SAnirudh Venkataramanan */ 6917e408e07SAnirudh Venkataramanan if (test_bit(ICE_RESET_OICR_RECV, pf->state)) { 6922ebd4428SDave Ertman /* Perform the largest reset requested */ 6937e408e07SAnirudh Venkataramanan if (test_and_clear_bit(ICE_CORER_RECV, pf->state)) 6942ebd4428SDave Ertman reset_type = ICE_RESET_CORER; 6957e408e07SAnirudh Venkataramanan if (test_and_clear_bit(ICE_GLOBR_RECV, pf->state)) 6962ebd4428SDave Ertman reset_type = ICE_RESET_GLOBR; 6977e408e07SAnirudh Venkataramanan if (test_and_clear_bit(ICE_EMPR_RECV, pf->state)) 69803af8406SAnirudh Venkataramanan reset_type = ICE_RESET_EMPR; 6992ebd4428SDave Ertman /* return if no valid reset type requested */ 7002ebd4428SDave Ertman if (reset_type == ICE_RESET_INVAL) 7012ebd4428SDave Ertman return; 702fbc7b27aSKiran Patil ice_prepare_for_reset(pf, reset_type); 7030b28b702SAnirudh Venkataramanan 7040b28b702SAnirudh Venkataramanan /* make sure we are ready to rebuild */ 705fd2a9817SAnirudh Venkataramanan if (ice_check_reset(&pf->hw)) { 7067e408e07SAnirudh Venkataramanan set_bit(ICE_RESET_FAILED, pf->state); 707fd2a9817SAnirudh Venkataramanan } else { 708fd2a9817SAnirudh Venkataramanan /* done with reset. start rebuild */ 709fd2a9817SAnirudh Venkataramanan pf->hw.reset_ongoing = false; 710462acf6aSTony Nguyen ice_rebuild(pf, reset_type); 7110f9d5027SAnirudh Venkataramanan /* clear bit to resume normal operations, but 7120f9d5027SAnirudh Venkataramanan * ICE_NEEDS_RESTART bit is set in case rebuild failed 7130f9d5027SAnirudh Venkataramanan */ 7147e408e07SAnirudh Venkataramanan clear_bit(ICE_RESET_OICR_RECV, pf->state); 7157e408e07SAnirudh Venkataramanan clear_bit(ICE_PREPARED_FOR_RESET, pf->state); 7167e408e07SAnirudh Venkataramanan clear_bit(ICE_PFR_REQ, pf->state); 7177e408e07SAnirudh Venkataramanan clear_bit(ICE_CORER_REQ, pf->state); 7187e408e07SAnirudh Venkataramanan clear_bit(ICE_GLOBR_REQ, pf->state); 7191c08052eSJacob Keller wake_up(&pf->reset_wait_queue); 720dac57288SJacob Keller ice_reset_all_vfs(pf); 7210f9d5027SAnirudh Venkataramanan } 7220f9d5027SAnirudh Venkataramanan 7230f9d5027SAnirudh Venkataramanan return; 7240b28b702SAnirudh Venkataramanan } 7250b28b702SAnirudh Venkataramanan 7260b28b702SAnirudh Venkataramanan /* No pending resets to finish processing. Check for new resets */ 7273579aa86SDave Ertman if (test_bit(ICE_PFR_REQ, pf->state)) { 7280f9d5027SAnirudh Venkataramanan reset_type = ICE_RESET_PFR; 7293579aa86SDave Ertman if (pf->lag && pf->lag->bonded) { 7303579aa86SDave Ertman dev_dbg(ice_pf_to_dev(pf), "PFR on a bonded interface, promoting to CORER\n"); 7313579aa86SDave Ertman reset_type = ICE_RESET_CORER; 7323579aa86SDave Ertman } 7333579aa86SDave Ertman } 7347e408e07SAnirudh Venkataramanan if (test_bit(ICE_CORER_REQ, pf->state)) 7350f9d5027SAnirudh Venkataramanan reset_type = ICE_RESET_CORER; 7367e408e07SAnirudh Venkataramanan if (test_bit(ICE_GLOBR_REQ, pf->state)) 7370b28b702SAnirudh Venkataramanan reset_type = ICE_RESET_GLOBR; 7380f9d5027SAnirudh Venkataramanan /* If no valid reset type requested just return */ 7390f9d5027SAnirudh Venkataramanan if (reset_type == ICE_RESET_INVAL) 7400f9d5027SAnirudh Venkataramanan return; 7410b28b702SAnirudh Venkataramanan 7420f9d5027SAnirudh Venkataramanan /* reset if not already down or busy */ 7437e408e07SAnirudh Venkataramanan if (!test_bit(ICE_DOWN, pf->state) && 7447e408e07SAnirudh Venkataramanan !test_bit(ICE_CFG_BUSY, pf->state)) { 7450b28b702SAnirudh Venkataramanan ice_do_reset(pf, reset_type); 7460b28b702SAnirudh Venkataramanan } 7470b28b702SAnirudh Venkataramanan } 7480b28b702SAnirudh Venkataramanan 7490b28b702SAnirudh Venkataramanan /** 7502e0ab37cSJesse Brandeburg * ice_print_topo_conflict - print topology conflict message 7512e0ab37cSJesse Brandeburg * @vsi: the VSI whose topology status is being checked 7522e0ab37cSJesse Brandeburg */ 7532e0ab37cSJesse Brandeburg static void ice_print_topo_conflict(struct ice_vsi *vsi) 7542e0ab37cSJesse Brandeburg { 7552e0ab37cSJesse Brandeburg switch (vsi->port_info->phy.link_info.topo_media_conflict) { 7562e0ab37cSJesse Brandeburg case ICE_AQ_LINK_TOPO_CONFLICT: 7572e0ab37cSJesse Brandeburg case ICE_AQ_LINK_MEDIA_CONFLICT: 7585878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNREACH_PRT: 7595878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNDRUTIL_PRT: 7605878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNDRUTIL_MEDIA: 7615c57145aSPaul Greenwalt netdev_info(vsi->netdev, "Potential misconfiguration of the Ethernet port detected. If it was not intended, please use the Intel (R) Ethernet Port Configuration Tool to address the issue.\n"); 7622e0ab37cSJesse Brandeburg break; 7635878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNSUPP_MEDIA: 7644fc5fbeeSAnirudh Venkataramanan if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, vsi->back->flags)) 7654fc5fbeeSAnirudh Venkataramanan netdev_warn(vsi->netdev, "An unsupported module type was detected. Refer to the Intel(R) Ethernet Adapters and Devices User Guide for a list of supported modules\n"); 7664fc5fbeeSAnirudh Venkataramanan else 7674fc5fbeeSAnirudh Venkataramanan netdev_err(vsi->netdev, "Rx/Tx is disabled on this device because an unsupported module type was detected. Refer to the Intel(R) Ethernet Adapters and Devices User Guide for a list of supported modules.\n"); 7685878589dSPaul Greenwalt break; 7692e0ab37cSJesse Brandeburg default: 7702e0ab37cSJesse Brandeburg break; 7712e0ab37cSJesse Brandeburg } 7722e0ab37cSJesse Brandeburg } 7732e0ab37cSJesse Brandeburg 7742e0ab37cSJesse Brandeburg /** 775cdedef59SAnirudh Venkataramanan * ice_print_link_msg - print link up or down message 776cdedef59SAnirudh Venkataramanan * @vsi: the VSI whose link status is being queried 777cdedef59SAnirudh Venkataramanan * @isup: boolean for if the link is now up or down 778cdedef59SAnirudh Venkataramanan */ 779fcea6f3dSAnirudh Venkataramanan void ice_print_link_msg(struct ice_vsi *vsi, bool isup) 780cdedef59SAnirudh Venkataramanan { 781f776b3acSPaul Greenwalt struct ice_aqc_get_phy_caps_data *caps; 7825ee30564SPaul Greenwalt const char *an_advertised; 783f776b3acSPaul Greenwalt const char *fec_req; 784cdedef59SAnirudh Venkataramanan const char *speed; 785f776b3acSPaul Greenwalt const char *fec; 786cdedef59SAnirudh Venkataramanan const char *fc; 78743260988SJesse Brandeburg const char *an; 7885518ac2aSTony Nguyen int status; 789cdedef59SAnirudh Venkataramanan 790c2a23e00SBrett Creeley if (!vsi) 791c2a23e00SBrett Creeley return; 792c2a23e00SBrett Creeley 793cdedef59SAnirudh Venkataramanan if (vsi->current_isup == isup) 794cdedef59SAnirudh Venkataramanan return; 795cdedef59SAnirudh Venkataramanan 796cdedef59SAnirudh Venkataramanan vsi->current_isup = isup; 797cdedef59SAnirudh Venkataramanan 798cdedef59SAnirudh Venkataramanan if (!isup) { 799cdedef59SAnirudh Venkataramanan netdev_info(vsi->netdev, "NIC Link is Down\n"); 800cdedef59SAnirudh Venkataramanan return; 801cdedef59SAnirudh Venkataramanan } 802cdedef59SAnirudh Venkataramanan 803cdedef59SAnirudh Venkataramanan switch (vsi->port_info->phy.link_info.link_speed) { 804072efdf8SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_100GB: 805072efdf8SAnirudh Venkataramanan speed = "100 G"; 806072efdf8SAnirudh Venkataramanan break; 807072efdf8SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_50GB: 808072efdf8SAnirudh Venkataramanan speed = "50 G"; 809072efdf8SAnirudh Venkataramanan break; 810cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_40GB: 811cdedef59SAnirudh Venkataramanan speed = "40 G"; 812cdedef59SAnirudh Venkataramanan break; 813cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_25GB: 814cdedef59SAnirudh Venkataramanan speed = "25 G"; 815cdedef59SAnirudh Venkataramanan break; 816cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_20GB: 817cdedef59SAnirudh Venkataramanan speed = "20 G"; 818cdedef59SAnirudh Venkataramanan break; 819cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_10GB: 820cdedef59SAnirudh Venkataramanan speed = "10 G"; 821cdedef59SAnirudh Venkataramanan break; 822cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_5GB: 823cdedef59SAnirudh Venkataramanan speed = "5 G"; 824cdedef59SAnirudh Venkataramanan break; 825cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_2500MB: 826cdedef59SAnirudh Venkataramanan speed = "2.5 G"; 827cdedef59SAnirudh Venkataramanan break; 828cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_1000MB: 829cdedef59SAnirudh Venkataramanan speed = "1 G"; 830cdedef59SAnirudh Venkataramanan break; 831cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_100MB: 832cdedef59SAnirudh Venkataramanan speed = "100 M"; 833cdedef59SAnirudh Venkataramanan break; 834cdedef59SAnirudh Venkataramanan default: 835cdedef59SAnirudh Venkataramanan speed = "Unknown "; 836cdedef59SAnirudh Venkataramanan break; 837cdedef59SAnirudh Venkataramanan } 838cdedef59SAnirudh Venkataramanan 839cdedef59SAnirudh Venkataramanan switch (vsi->port_info->fc.current_mode) { 840cdedef59SAnirudh Venkataramanan case ICE_FC_FULL: 8412f2da36eSAnirudh Venkataramanan fc = "Rx/Tx"; 842cdedef59SAnirudh Venkataramanan break; 843cdedef59SAnirudh Venkataramanan case ICE_FC_TX_PAUSE: 8442f2da36eSAnirudh Venkataramanan fc = "Tx"; 845cdedef59SAnirudh Venkataramanan break; 846cdedef59SAnirudh Venkataramanan case ICE_FC_RX_PAUSE: 8472f2da36eSAnirudh Venkataramanan fc = "Rx"; 848cdedef59SAnirudh Venkataramanan break; 849203a068aSBrett Creeley case ICE_FC_NONE: 850203a068aSBrett Creeley fc = "None"; 851203a068aSBrett Creeley break; 852cdedef59SAnirudh Venkataramanan default: 853cdedef59SAnirudh Venkataramanan fc = "Unknown"; 854cdedef59SAnirudh Venkataramanan break; 855cdedef59SAnirudh Venkataramanan } 856cdedef59SAnirudh Venkataramanan 857f776b3acSPaul Greenwalt /* Get FEC mode based on negotiated link info */ 858f776b3acSPaul Greenwalt switch (vsi->port_info->phy.link_info.fec_info) { 859f776b3acSPaul Greenwalt case ICE_AQ_LINK_25G_RS_528_FEC_EN: 860f776b3acSPaul Greenwalt case ICE_AQ_LINK_25G_RS_544_FEC_EN: 861f776b3acSPaul Greenwalt fec = "RS-FEC"; 862f776b3acSPaul Greenwalt break; 863f776b3acSPaul Greenwalt case ICE_AQ_LINK_25G_KR_FEC_EN: 864f776b3acSPaul Greenwalt fec = "FC-FEC/BASE-R"; 865f776b3acSPaul Greenwalt break; 866f776b3acSPaul Greenwalt default: 867f776b3acSPaul Greenwalt fec = "NONE"; 868f776b3acSPaul Greenwalt break; 869f776b3acSPaul Greenwalt } 870f776b3acSPaul Greenwalt 87143260988SJesse Brandeburg /* check if autoneg completed, might be false due to not supported */ 87243260988SJesse Brandeburg if (vsi->port_info->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) 87343260988SJesse Brandeburg an = "True"; 87443260988SJesse Brandeburg else 87543260988SJesse Brandeburg an = "False"; 87643260988SJesse Brandeburg 877f776b3acSPaul Greenwalt /* Get FEC mode requested based on PHY caps last SW configuration */ 8789efe35d0STony Nguyen caps = kzalloc(sizeof(*caps), GFP_KERNEL); 879f776b3acSPaul Greenwalt if (!caps) { 880f776b3acSPaul Greenwalt fec_req = "Unknown"; 8815ee30564SPaul Greenwalt an_advertised = "Unknown"; 882f776b3acSPaul Greenwalt goto done; 883f776b3acSPaul Greenwalt } 884f776b3acSPaul Greenwalt 885f776b3acSPaul Greenwalt status = ice_aq_get_phy_caps(vsi->port_info, false, 886d6730a87SAnirudh Venkataramanan ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 887f776b3acSPaul Greenwalt if (status) 888f776b3acSPaul Greenwalt netdev_info(vsi->netdev, "Get phy capability failed.\n"); 889f776b3acSPaul Greenwalt 8905ee30564SPaul Greenwalt an_advertised = ice_is_phy_caps_an_enabled(caps) ? "On" : "Off"; 8915ee30564SPaul Greenwalt 892f776b3acSPaul Greenwalt if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 893f776b3acSPaul Greenwalt caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 894f776b3acSPaul Greenwalt fec_req = "RS-FEC"; 895f776b3acSPaul Greenwalt else if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 896f776b3acSPaul Greenwalt caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 897f776b3acSPaul Greenwalt fec_req = "FC-FEC/BASE-R"; 898f776b3acSPaul Greenwalt else 899f776b3acSPaul Greenwalt fec_req = "NONE"; 900f776b3acSPaul Greenwalt 9019efe35d0STony Nguyen kfree(caps); 902f776b3acSPaul Greenwalt 903f776b3acSPaul Greenwalt done: 9045ee30564SPaul Greenwalt netdev_info(vsi->netdev, "NIC Link is up %sbps Full Duplex, Requested FEC: %s, Negotiated FEC: %s, Autoneg Advertised: %s, Autoneg Negotiated: %s, Flow Control: %s\n", 9055ee30564SPaul Greenwalt speed, fec_req, fec, an_advertised, an, fc); 9062e0ab37cSJesse Brandeburg ice_print_topo_conflict(vsi); 907cdedef59SAnirudh Venkataramanan } 908cdedef59SAnirudh Venkataramanan 909cdedef59SAnirudh Venkataramanan /** 910f9867df6SAnirudh Venkataramanan * ice_vsi_link_event - update the VSI's netdev 911f9867df6SAnirudh Venkataramanan * @vsi: the VSI on which the link event occurred 912f9867df6SAnirudh Venkataramanan * @link_up: whether or not the VSI needs to be set up or down 9130b28b702SAnirudh Venkataramanan */ 9140b28b702SAnirudh Venkataramanan static void ice_vsi_link_event(struct ice_vsi *vsi, bool link_up) 9150b28b702SAnirudh Venkataramanan { 916c2a23e00SBrett Creeley if (!vsi) 917c2a23e00SBrett Creeley return; 918c2a23e00SBrett Creeley 919e97fb1aeSAnirudh Venkataramanan if (test_bit(ICE_VSI_DOWN, vsi->state) || !vsi->netdev) 9200b28b702SAnirudh Venkataramanan return; 9210b28b702SAnirudh Venkataramanan 9220b28b702SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF) { 923c2a23e00SBrett Creeley if (link_up == netif_carrier_ok(vsi->netdev)) 9240b28b702SAnirudh Venkataramanan return; 925c2a23e00SBrett Creeley 9260b28b702SAnirudh Venkataramanan if (link_up) { 9270b28b702SAnirudh Venkataramanan netif_carrier_on(vsi->netdev); 9280b28b702SAnirudh Venkataramanan netif_tx_wake_all_queues(vsi->netdev); 9290b28b702SAnirudh Venkataramanan } else { 9300b28b702SAnirudh Venkataramanan netif_carrier_off(vsi->netdev); 9310b28b702SAnirudh Venkataramanan netif_tx_stop_all_queues(vsi->netdev); 9320b28b702SAnirudh Venkataramanan } 9330b28b702SAnirudh Venkataramanan } 9340b28b702SAnirudh Venkataramanan } 9350b28b702SAnirudh Venkataramanan 9360b28b702SAnirudh Venkataramanan /** 9377d9c9b79SDave Ertman * ice_set_dflt_mib - send a default config MIB to the FW 9387d9c9b79SDave Ertman * @pf: private PF struct 9397d9c9b79SDave Ertman * 9407d9c9b79SDave Ertman * This function sends a default configuration MIB to the FW. 9417d9c9b79SDave Ertman * 9427d9c9b79SDave Ertman * If this function errors out at any point, the driver is still able to 9437d9c9b79SDave Ertman * function. The main impact is that LFC may not operate as expected. 9447d9c9b79SDave Ertman * Therefore an error state in this function should be treated with a DBG 9457d9c9b79SDave Ertman * message and continue on with driver rebuild/reenable. 9467d9c9b79SDave Ertman */ 9477d9c9b79SDave Ertman static void ice_set_dflt_mib(struct ice_pf *pf) 9487d9c9b79SDave Ertman { 9497d9c9b79SDave Ertman struct device *dev = ice_pf_to_dev(pf); 9507d9c9b79SDave Ertman u8 mib_type, *buf, *lldpmib = NULL; 9517d9c9b79SDave Ertman u16 len, typelen, offset = 0; 9527d9c9b79SDave Ertman struct ice_lldp_org_tlv *tlv; 95312aae8f1SBruce Allan struct ice_hw *hw = &pf->hw; 9547d9c9b79SDave Ertman u32 ouisubtype; 9557d9c9b79SDave Ertman 9567d9c9b79SDave Ertman mib_type = SET_LOCAL_MIB_TYPE_LOCAL_MIB; 9577d9c9b79SDave Ertman lldpmib = kzalloc(ICE_LLDPDU_SIZE, GFP_KERNEL); 9587d9c9b79SDave Ertman if (!lldpmib) { 9597d9c9b79SDave Ertman dev_dbg(dev, "%s Failed to allocate MIB memory\n", 9607d9c9b79SDave Ertman __func__); 9617d9c9b79SDave Ertman return; 9627d9c9b79SDave Ertman } 9637d9c9b79SDave Ertman 9647d9c9b79SDave Ertman /* Add ETS CFG TLV */ 9657d9c9b79SDave Ertman tlv = (struct ice_lldp_org_tlv *)lldpmib; 9667d9c9b79SDave Ertman typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | 9677d9c9b79SDave Ertman ICE_IEEE_ETS_TLV_LEN); 9687d9c9b79SDave Ertman tlv->typelen = htons(typelen); 9697d9c9b79SDave Ertman ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 9707d9c9b79SDave Ertman ICE_IEEE_SUBTYPE_ETS_CFG); 9717d9c9b79SDave Ertman tlv->ouisubtype = htonl(ouisubtype); 9727d9c9b79SDave Ertman 9737d9c9b79SDave Ertman buf = tlv->tlvinfo; 9747d9c9b79SDave Ertman buf[0] = 0; 9757d9c9b79SDave Ertman 9767d9c9b79SDave Ertman /* ETS CFG all UPs map to TC 0. Next 4 (1 - 4) Octets = 0. 9777d9c9b79SDave Ertman * Octets 5 - 12 are BW values, set octet 5 to 100% BW. 9787d9c9b79SDave Ertman * Octets 13 - 20 are TSA values - leave as zeros 9797d9c9b79SDave Ertman */ 9807d9c9b79SDave Ertman buf[5] = 0x64; 9817d9c9b79SDave Ertman len = (typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S; 9827d9c9b79SDave Ertman offset += len + 2; 9837d9c9b79SDave Ertman tlv = (struct ice_lldp_org_tlv *) 9847d9c9b79SDave Ertman ((char *)tlv + sizeof(tlv->typelen) + len); 9857d9c9b79SDave Ertman 9867d9c9b79SDave Ertman /* Add ETS REC TLV */ 9877d9c9b79SDave Ertman buf = tlv->tlvinfo; 9887d9c9b79SDave Ertman tlv->typelen = htons(typelen); 9897d9c9b79SDave Ertman 9907d9c9b79SDave Ertman ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 9917d9c9b79SDave Ertman ICE_IEEE_SUBTYPE_ETS_REC); 9927d9c9b79SDave Ertman tlv->ouisubtype = htonl(ouisubtype); 9937d9c9b79SDave Ertman 9947d9c9b79SDave Ertman /* First octet of buf is reserved 9957d9c9b79SDave Ertman * Octets 1 - 4 map UP to TC - all UPs map to zero 9967d9c9b79SDave Ertman * Octets 5 - 12 are BW values - set TC 0 to 100%. 9977d9c9b79SDave Ertman * Octets 13 - 20 are TSA value - leave as zeros 9987d9c9b79SDave Ertman */ 9997d9c9b79SDave Ertman buf[5] = 0x64; 10007d9c9b79SDave Ertman offset += len + 2; 10017d9c9b79SDave Ertman tlv = (struct ice_lldp_org_tlv *) 10027d9c9b79SDave Ertman ((char *)tlv + sizeof(tlv->typelen) + len); 10037d9c9b79SDave Ertman 10047d9c9b79SDave Ertman /* Add PFC CFG TLV */ 10057d9c9b79SDave Ertman typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | 10067d9c9b79SDave Ertman ICE_IEEE_PFC_TLV_LEN); 10077d9c9b79SDave Ertman tlv->typelen = htons(typelen); 10087d9c9b79SDave Ertman 10097d9c9b79SDave Ertman ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 10107d9c9b79SDave Ertman ICE_IEEE_SUBTYPE_PFC_CFG); 10117d9c9b79SDave Ertman tlv->ouisubtype = htonl(ouisubtype); 10127d9c9b79SDave Ertman 10137d9c9b79SDave Ertman /* Octet 1 left as all zeros - PFC disabled */ 10147d9c9b79SDave Ertman buf[0] = 0x08; 10157d9c9b79SDave Ertman len = (typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S; 10167d9c9b79SDave Ertman offset += len + 2; 10177d9c9b79SDave Ertman 10187d9c9b79SDave Ertman if (ice_aq_set_lldp_mib(hw, mib_type, (void *)lldpmib, offset, NULL)) 10197d9c9b79SDave Ertman dev_dbg(dev, "%s Failed to set default LLDP MIB\n", __func__); 10207d9c9b79SDave Ertman 10217d9c9b79SDave Ertman kfree(lldpmib); 10227d9c9b79SDave Ertman } 10237d9c9b79SDave Ertman 10247d9c9b79SDave Ertman /** 102599d40752SBrett Creeley * ice_check_phy_fw_load - check if PHY FW load failed 102699d40752SBrett Creeley * @pf: pointer to PF struct 102799d40752SBrett Creeley * @link_cfg_err: bitmap from the link info structure 102899d40752SBrett Creeley * 102999d40752SBrett Creeley * check if external PHY FW load failed and print an error message if it did 103099d40752SBrett Creeley */ 103199d40752SBrett Creeley static void ice_check_phy_fw_load(struct ice_pf *pf, u8 link_cfg_err) 103299d40752SBrett Creeley { 103399d40752SBrett Creeley if (!(link_cfg_err & ICE_AQ_LINK_EXTERNAL_PHY_LOAD_FAILURE)) { 103499d40752SBrett Creeley clear_bit(ICE_FLAG_PHY_FW_LOAD_FAILED, pf->flags); 103599d40752SBrett Creeley return; 103699d40752SBrett Creeley } 103799d40752SBrett Creeley 103899d40752SBrett Creeley if (test_bit(ICE_FLAG_PHY_FW_LOAD_FAILED, pf->flags)) 103999d40752SBrett Creeley return; 104099d40752SBrett Creeley 104199d40752SBrett Creeley if (link_cfg_err & ICE_AQ_LINK_EXTERNAL_PHY_LOAD_FAILURE) { 104299d40752SBrett Creeley dev_err(ice_pf_to_dev(pf), "Device failed to load the FW for the external PHY. Please download and install the latest NVM for your device and try again\n"); 104399d40752SBrett Creeley set_bit(ICE_FLAG_PHY_FW_LOAD_FAILED, pf->flags); 104499d40752SBrett Creeley } 104599d40752SBrett Creeley } 104699d40752SBrett Creeley 104799d40752SBrett Creeley /** 1048c77849f5SAnirudh Venkataramanan * ice_check_module_power 1049c77849f5SAnirudh Venkataramanan * @pf: pointer to PF struct 1050c77849f5SAnirudh Venkataramanan * @link_cfg_err: bitmap from the link info structure 1051c77849f5SAnirudh Venkataramanan * 1052c77849f5SAnirudh Venkataramanan * check module power level returned by a previous call to aq_get_link_info 1053c77849f5SAnirudh Venkataramanan * and print error messages if module power level is not supported 1054c77849f5SAnirudh Venkataramanan */ 1055c77849f5SAnirudh Venkataramanan static void ice_check_module_power(struct ice_pf *pf, u8 link_cfg_err) 1056c77849f5SAnirudh Venkataramanan { 1057c77849f5SAnirudh Venkataramanan /* if module power level is supported, clear the flag */ 1058c77849f5SAnirudh Venkataramanan if (!(link_cfg_err & (ICE_AQ_LINK_INVAL_MAX_POWER_LIMIT | 1059c77849f5SAnirudh Venkataramanan ICE_AQ_LINK_MODULE_POWER_UNSUPPORTED))) { 1060c77849f5SAnirudh Venkataramanan clear_bit(ICE_FLAG_MOD_POWER_UNSUPPORTED, pf->flags); 1061c77849f5SAnirudh Venkataramanan return; 1062c77849f5SAnirudh Venkataramanan } 1063c77849f5SAnirudh Venkataramanan 1064c77849f5SAnirudh Venkataramanan /* if ICE_FLAG_MOD_POWER_UNSUPPORTED was previously set and the 1065c77849f5SAnirudh Venkataramanan * above block didn't clear this bit, there's nothing to do 1066c77849f5SAnirudh Venkataramanan */ 1067c77849f5SAnirudh Venkataramanan if (test_bit(ICE_FLAG_MOD_POWER_UNSUPPORTED, pf->flags)) 1068c77849f5SAnirudh Venkataramanan return; 1069c77849f5SAnirudh Venkataramanan 1070c77849f5SAnirudh Venkataramanan if (link_cfg_err & ICE_AQ_LINK_INVAL_MAX_POWER_LIMIT) { 1071c77849f5SAnirudh Venkataramanan dev_err(ice_pf_to_dev(pf), "The installed module is incompatible with the device's NVM image. Cannot start link\n"); 1072c77849f5SAnirudh Venkataramanan set_bit(ICE_FLAG_MOD_POWER_UNSUPPORTED, pf->flags); 1073c77849f5SAnirudh Venkataramanan } else if (link_cfg_err & ICE_AQ_LINK_MODULE_POWER_UNSUPPORTED) { 1074c77849f5SAnirudh Venkataramanan dev_err(ice_pf_to_dev(pf), "The module's power requirements exceed the device's power supply. Cannot start link\n"); 1075c77849f5SAnirudh Venkataramanan set_bit(ICE_FLAG_MOD_POWER_UNSUPPORTED, pf->flags); 1076c77849f5SAnirudh Venkataramanan } 1077c77849f5SAnirudh Venkataramanan } 1078c77849f5SAnirudh Venkataramanan 1079c77849f5SAnirudh Venkataramanan /** 108099d40752SBrett Creeley * ice_check_link_cfg_err - check if link configuration failed 108199d40752SBrett Creeley * @pf: pointer to the PF struct 108299d40752SBrett Creeley * @link_cfg_err: bitmap from the link info structure 108399d40752SBrett Creeley * 108499d40752SBrett Creeley * print if any link configuration failure happens due to the value in the 108599d40752SBrett Creeley * link_cfg_err parameter in the link info structure 108699d40752SBrett Creeley */ 108799d40752SBrett Creeley static void ice_check_link_cfg_err(struct ice_pf *pf, u8 link_cfg_err) 108899d40752SBrett Creeley { 108999d40752SBrett Creeley ice_check_module_power(pf, link_cfg_err); 109099d40752SBrett Creeley ice_check_phy_fw_load(pf, link_cfg_err); 109199d40752SBrett Creeley } 109299d40752SBrett Creeley 109399d40752SBrett Creeley /** 10940b28b702SAnirudh Venkataramanan * ice_link_event - process the link event 10952f2da36eSAnirudh Venkataramanan * @pf: PF that the link event is associated with 10960b28b702SAnirudh Venkataramanan * @pi: port_info for the port that the link event is associated with 1097c2a23e00SBrett Creeley * @link_up: true if the physical link is up and false if it is down 1098c2a23e00SBrett Creeley * @link_speed: current link speed received from the link event 10990b28b702SAnirudh Venkataramanan * 1100c2a23e00SBrett Creeley * Returns 0 on success and negative on failure 11010b28b702SAnirudh Venkataramanan */ 11020b28b702SAnirudh Venkataramanan static int 1103c2a23e00SBrett Creeley ice_link_event(struct ice_pf *pf, struct ice_port_info *pi, bool link_up, 1104c2a23e00SBrett Creeley u16 link_speed) 11050b28b702SAnirudh Venkataramanan { 11064015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 11070b28b702SAnirudh Venkataramanan struct ice_phy_info *phy_info; 1108c2a23e00SBrett Creeley struct ice_vsi *vsi; 1109c2a23e00SBrett Creeley u16 old_link_speed; 1110c2a23e00SBrett Creeley bool old_link; 11115518ac2aSTony Nguyen int status; 11120b28b702SAnirudh Venkataramanan 11130b28b702SAnirudh Venkataramanan phy_info = &pi->phy; 11140b28b702SAnirudh Venkataramanan phy_info->link_info_old = phy_info->link_info; 11150b28b702SAnirudh Venkataramanan 1116c2a23e00SBrett Creeley old_link = !!(phy_info->link_info_old.link_info & ICE_AQ_LINK_UP); 11170b28b702SAnirudh Venkataramanan old_link_speed = phy_info->link_info_old.link_speed; 11180b28b702SAnirudh Venkataramanan 1119c2a23e00SBrett Creeley /* update the link info structures and re-enable link events, 1120c2a23e00SBrett Creeley * don't bail on failure due to other book keeping needed 1121c2a23e00SBrett Creeley */ 1122d348d517SAnirudh Venkataramanan status = ice_update_link_info(pi); 1123d348d517SAnirudh Venkataramanan if (status) 11245f87ec48STony Nguyen dev_dbg(dev, "Failed to update link status on port %d, err %d aq_err %s\n", 11255f87ec48STony Nguyen pi->lport, status, 1126d348d517SAnirudh Venkataramanan ice_aq_str(pi->hw->adminq.sq_last_status)); 11270b28b702SAnirudh Venkataramanan 112899d40752SBrett Creeley ice_check_link_cfg_err(pf, pi->phy.link_info.link_cfg_err); 1129c77849f5SAnirudh Venkataramanan 11300ce6c34aSDave Ertman /* Check if the link state is up after updating link info, and treat 11310ce6c34aSDave Ertman * this event as an UP event since the link is actually UP now. 11320ce6c34aSDave Ertman */ 11330ce6c34aSDave Ertman if (phy_info->link_info.link_info & ICE_AQ_LINK_UP) 11340ce6c34aSDave Ertman link_up = true; 11350ce6c34aSDave Ertman 1136208ff751SAnirudh Venkataramanan vsi = ice_get_main_vsi(pf); 11370b28b702SAnirudh Venkataramanan if (!vsi || !vsi->port_info) 1138c2a23e00SBrett Creeley return -EINVAL; 11390b28b702SAnirudh Venkataramanan 11406d599946STony Nguyen /* turn off PHY if media was removed */ 11416d599946STony Nguyen if (!test_bit(ICE_FLAG_NO_MEDIA, pf->flags) && 11426d599946STony Nguyen !(pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE)) { 11436d599946STony Nguyen set_bit(ICE_FLAG_NO_MEDIA, pf->flags); 1144d348d517SAnirudh Venkataramanan ice_set_link(vsi, false); 11456d599946STony Nguyen } 11466d599946STony Nguyen 11471a3571b5SPaul Greenwalt /* if the old link up/down and speed is the same as the new */ 11481a3571b5SPaul Greenwalt if (link_up == old_link && link_speed == old_link_speed) 1149d348d517SAnirudh Venkataramanan return 0; 11501a3571b5SPaul Greenwalt 11513a749623SJacob Keller ice_ptp_link_change(pf, pf->hw.pf_id, link_up); 11523a749623SJacob Keller 11537d9c9b79SDave Ertman if (ice_is_dcb_active(pf)) { 11547d9c9b79SDave Ertman if (test_bit(ICE_FLAG_DCB_ENA, pf->flags)) 1155242b5e06SDave Ertman ice_dcb_rebuild(pf); 11567d9c9b79SDave Ertman } else { 11577d9c9b79SDave Ertman if (link_up) 11587d9c9b79SDave Ertman ice_set_dflt_mib(pf); 11597d9c9b79SDave Ertman } 1160c2a23e00SBrett Creeley ice_vsi_link_event(vsi, link_up); 1161c2a23e00SBrett Creeley ice_print_link_msg(vsi, link_up); 11620b28b702SAnirudh Venkataramanan 116353b8decbSAnirudh Venkataramanan ice_vc_notify_link_state(pf); 116453b8decbSAnirudh Venkataramanan 1165d348d517SAnirudh Venkataramanan return 0; 11660b28b702SAnirudh Venkataramanan } 11670b28b702SAnirudh Venkataramanan 11680b28b702SAnirudh Venkataramanan /** 11694f4be03bSAnirudh Venkataramanan * ice_watchdog_subtask - periodic tasks not using event driven scheduling 11704f4be03bSAnirudh Venkataramanan * @pf: board private structure 11710b28b702SAnirudh Venkataramanan */ 11724f4be03bSAnirudh Venkataramanan static void ice_watchdog_subtask(struct ice_pf *pf) 11730b28b702SAnirudh Venkataramanan { 11744f4be03bSAnirudh Venkataramanan int i; 11750b28b702SAnirudh Venkataramanan 11764f4be03bSAnirudh Venkataramanan /* if interface is down do nothing */ 11777e408e07SAnirudh Venkataramanan if (test_bit(ICE_DOWN, pf->state) || 11787e408e07SAnirudh Venkataramanan test_bit(ICE_CFG_BUSY, pf->state)) 11794f4be03bSAnirudh Venkataramanan return; 11800b28b702SAnirudh Venkataramanan 11814f4be03bSAnirudh Venkataramanan /* make sure we don't do these things too often */ 11824f4be03bSAnirudh Venkataramanan if (time_before(jiffies, 11834f4be03bSAnirudh Venkataramanan pf->serv_tmr_prev + pf->serv_tmr_period)) 11844f4be03bSAnirudh Venkataramanan return; 11850b28b702SAnirudh Venkataramanan 11864f4be03bSAnirudh Venkataramanan pf->serv_tmr_prev = jiffies; 11874f4be03bSAnirudh Venkataramanan 11884f4be03bSAnirudh Venkataramanan /* Update the stats for active netdevs so the network stack 11894f4be03bSAnirudh Venkataramanan * can look at updated numbers whenever it cares to 11904f4be03bSAnirudh Venkataramanan */ 11914f4be03bSAnirudh Venkataramanan ice_update_pf_stats(pf); 119280ed404aSBrett Creeley ice_for_each_vsi(pf, i) 11934f4be03bSAnirudh Venkataramanan if (pf->vsi[i] && pf->vsi[i]->netdev) 11944f4be03bSAnirudh Venkataramanan ice_update_vsi_stats(pf->vsi[i]); 11950b28b702SAnirudh Venkataramanan } 11960b28b702SAnirudh Venkataramanan 11970b28b702SAnirudh Venkataramanan /** 1198250c3b3eSBrett Creeley * ice_init_link_events - enable/initialize link events 1199250c3b3eSBrett Creeley * @pi: pointer to the port_info instance 1200250c3b3eSBrett Creeley * 1201250c3b3eSBrett Creeley * Returns -EIO on failure, 0 on success 1202250c3b3eSBrett Creeley */ 1203250c3b3eSBrett Creeley static int ice_init_link_events(struct ice_port_info *pi) 1204250c3b3eSBrett Creeley { 1205250c3b3eSBrett Creeley u16 mask; 1206250c3b3eSBrett Creeley 1207250c3b3eSBrett Creeley mask = ~((u16)(ICE_AQ_LINK_EVENT_UPDOWN | ICE_AQ_LINK_EVENT_MEDIA_NA | 120899d40752SBrett Creeley ICE_AQ_LINK_EVENT_MODULE_QUAL_FAIL | 120999d40752SBrett Creeley ICE_AQ_LINK_EVENT_PHY_FW_LOAD_FAIL)); 1210250c3b3eSBrett Creeley 1211250c3b3eSBrett Creeley if (ice_aq_set_event_mask(pi->hw, pi->lport, mask, NULL)) { 121219cce2c6SAnirudh Venkataramanan dev_dbg(ice_hw_to_dev(pi->hw), "Failed to set link event mask for port %d\n", 1213250c3b3eSBrett Creeley pi->lport); 1214250c3b3eSBrett Creeley return -EIO; 1215250c3b3eSBrett Creeley } 1216250c3b3eSBrett Creeley 1217250c3b3eSBrett Creeley if (ice_aq_get_link_info(pi, true, NULL, NULL)) { 121819cce2c6SAnirudh Venkataramanan dev_dbg(ice_hw_to_dev(pi->hw), "Failed to enable link events for port %d\n", 1219250c3b3eSBrett Creeley pi->lport); 1220250c3b3eSBrett Creeley return -EIO; 1221250c3b3eSBrett Creeley } 1222250c3b3eSBrett Creeley 1223250c3b3eSBrett Creeley return 0; 1224250c3b3eSBrett Creeley } 1225250c3b3eSBrett Creeley 1226250c3b3eSBrett Creeley /** 1227250c3b3eSBrett Creeley * ice_handle_link_event - handle link event via ARQ 12282f2da36eSAnirudh Venkataramanan * @pf: PF that the link event is associated with 1229c2a23e00SBrett Creeley * @event: event structure containing link status info 1230250c3b3eSBrett Creeley */ 1231c2a23e00SBrett Creeley static int 1232c2a23e00SBrett Creeley ice_handle_link_event(struct ice_pf *pf, struct ice_rq_event_info *event) 1233250c3b3eSBrett Creeley { 1234c2a23e00SBrett Creeley struct ice_aqc_get_link_status_data *link_data; 1235250c3b3eSBrett Creeley struct ice_port_info *port_info; 1236250c3b3eSBrett Creeley int status; 1237250c3b3eSBrett Creeley 1238c2a23e00SBrett Creeley link_data = (struct ice_aqc_get_link_status_data *)event->msg_buf; 1239250c3b3eSBrett Creeley port_info = pf->hw.port_info; 1240250c3b3eSBrett Creeley if (!port_info) 1241250c3b3eSBrett Creeley return -EINVAL; 1242250c3b3eSBrett Creeley 1243c2a23e00SBrett Creeley status = ice_link_event(pf, port_info, 1244c2a23e00SBrett Creeley !!(link_data->link_info & ICE_AQ_LINK_UP), 1245c2a23e00SBrett Creeley le16_to_cpu(link_data->link_speed)); 1246250c3b3eSBrett Creeley if (status) 124719cce2c6SAnirudh Venkataramanan dev_dbg(ice_pf_to_dev(pf), "Could not process link event, error %d\n", 124819cce2c6SAnirudh Venkataramanan status); 1249250c3b3eSBrett Creeley 1250250c3b3eSBrett Creeley return status; 1251250c3b3eSBrett Creeley } 1252250c3b3eSBrett Creeley 1253d69ea414SJacob Keller /** 1254ef860480STony Nguyen * ice_aq_wait_for_event - Wait for an AdminQ event from firmware 1255d69ea414SJacob Keller * @pf: pointer to the PF private structure 1256*b214b98aSPrzemek Kitszel * @task: ptr to task structure 1257d69ea414SJacob Keller * @opcode: the opcode to wait for 1258d69ea414SJacob Keller * @timeout: how long to wait, in jiffies 1259d69ea414SJacob Keller * 1260d69ea414SJacob Keller * Waits for a specific AdminQ completion event on the ARQ for a given PF. The 1261d69ea414SJacob Keller * current thread will be put to sleep until the specified event occurs or 1262d69ea414SJacob Keller * until the given timeout is reached. 1263d69ea414SJacob Keller * 1264d69ea414SJacob Keller * To obtain only the descriptor contents, pass an event without an allocated 1265d69ea414SJacob Keller * msg_buf. If the complete data buffer is desired, allocate the 1266d69ea414SJacob Keller * event->msg_buf with enough space ahead of time. 1267d69ea414SJacob Keller * 1268d69ea414SJacob Keller * Returns: zero on success, or a negative error code on failure. 1269d69ea414SJacob Keller */ 1270*b214b98aSPrzemek Kitszel int ice_aq_wait_for_event(struct ice_pf *pf, struct ice_aq_task *task, 1271*b214b98aSPrzemek Kitszel u16 opcode, unsigned long timeout) 1272d69ea414SJacob Keller { 12731e8249ccSJacob Keller struct device *dev = ice_pf_to_dev(pf); 12741e8249ccSJacob Keller unsigned long start; 1275d69ea414SJacob Keller long ret; 1276d69ea414SJacob Keller int err; 1277d69ea414SJacob Keller 1278d69ea414SJacob Keller INIT_HLIST_NODE(&task->entry); 1279d69ea414SJacob Keller task->opcode = opcode; 1280d69ea414SJacob Keller task->state = ICE_AQ_TASK_WAITING; 1281d69ea414SJacob Keller 1282d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1283d69ea414SJacob Keller hlist_add_head(&task->entry, &pf->aq_wait_list); 1284d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1285d69ea414SJacob Keller 12861e8249ccSJacob Keller start = jiffies; 12871e8249ccSJacob Keller 1288d69ea414SJacob Keller ret = wait_event_interruptible_timeout(pf->aq_wait_queue, task->state, 1289d69ea414SJacob Keller timeout); 1290d69ea414SJacob Keller switch (task->state) { 1291d69ea414SJacob Keller case ICE_AQ_TASK_WAITING: 1292d69ea414SJacob Keller err = ret < 0 ? ret : -ETIMEDOUT; 1293d69ea414SJacob Keller break; 1294d69ea414SJacob Keller case ICE_AQ_TASK_CANCELED: 1295d69ea414SJacob Keller err = ret < 0 ? ret : -ECANCELED; 1296d69ea414SJacob Keller break; 1297d69ea414SJacob Keller case ICE_AQ_TASK_COMPLETE: 1298d69ea414SJacob Keller err = ret < 0 ? ret : 0; 1299d69ea414SJacob Keller break; 1300d69ea414SJacob Keller default: 1301d69ea414SJacob Keller WARN(1, "Unexpected AdminQ wait task state %u", task->state); 1302d69ea414SJacob Keller err = -EINVAL; 1303d69ea414SJacob Keller break; 1304d69ea414SJacob Keller } 1305d69ea414SJacob Keller 13061e8249ccSJacob Keller dev_dbg(dev, "Waited %u msecs (max %u msecs) for firmware response to op 0x%04x\n", 13071e8249ccSJacob Keller jiffies_to_msecs(jiffies - start), 13081e8249ccSJacob Keller jiffies_to_msecs(timeout), 13091e8249ccSJacob Keller opcode); 13101e8249ccSJacob Keller 1311d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1312d69ea414SJacob Keller hlist_del(&task->entry); 1313d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1314d69ea414SJacob Keller 1315d69ea414SJacob Keller return err; 1316d69ea414SJacob Keller } 1317d69ea414SJacob Keller 1318d69ea414SJacob Keller /** 1319d69ea414SJacob Keller * ice_aq_check_events - Check if any thread is waiting for an AdminQ event 1320d69ea414SJacob Keller * @pf: pointer to the PF private structure 1321d69ea414SJacob Keller * @opcode: the opcode of the event 1322d69ea414SJacob Keller * @event: the event to check 1323d69ea414SJacob Keller * 1324d69ea414SJacob Keller * Loops over the current list of pending threads waiting for an AdminQ event. 1325d69ea414SJacob Keller * For each matching task, copy the contents of the event into the task 1326d69ea414SJacob Keller * structure and wake up the thread. 1327d69ea414SJacob Keller * 1328d69ea414SJacob Keller * If multiple threads wait for the same opcode, they will all be woken up. 1329d69ea414SJacob Keller * 1330d69ea414SJacob Keller * Note that event->msg_buf will only be duplicated if the event has a buffer 1331d69ea414SJacob Keller * with enough space already allocated. Otherwise, only the descriptor and 1332d69ea414SJacob Keller * message length will be copied. 1333d69ea414SJacob Keller * 1334d69ea414SJacob Keller * Returns: true if an event was found, false otherwise 1335d69ea414SJacob Keller */ 1336d69ea414SJacob Keller static void ice_aq_check_events(struct ice_pf *pf, u16 opcode, 1337d69ea414SJacob Keller struct ice_rq_event_info *event) 1338d69ea414SJacob Keller { 1339e1e8a142SPrzemek Kitszel struct ice_rq_event_info *task_ev; 1340d69ea414SJacob Keller struct ice_aq_task *task; 1341d69ea414SJacob Keller bool found = false; 1342d69ea414SJacob Keller 1343d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1344d69ea414SJacob Keller hlist_for_each_entry(task, &pf->aq_wait_list, entry) { 1345d69ea414SJacob Keller if (task->state || task->opcode != opcode) 1346d69ea414SJacob Keller continue; 1347d69ea414SJacob Keller 1348*b214b98aSPrzemek Kitszel task_ev = &task->event; 1349e1e8a142SPrzemek Kitszel memcpy(&task_ev->desc, &event->desc, sizeof(event->desc)); 1350e1e8a142SPrzemek Kitszel task_ev->msg_len = event->msg_len; 1351d69ea414SJacob Keller 1352d69ea414SJacob Keller /* Only copy the data buffer if a destination was set */ 1353e1e8a142SPrzemek Kitszel if (task_ev->msg_buf && task_ev->buf_len >= event->buf_len) { 1354e1e8a142SPrzemek Kitszel memcpy(task_ev->msg_buf, event->msg_buf, 1355d69ea414SJacob Keller event->buf_len); 1356e1e8a142SPrzemek Kitszel task_ev->buf_len = event->buf_len; 1357d69ea414SJacob Keller } 1358d69ea414SJacob Keller 1359d69ea414SJacob Keller task->state = ICE_AQ_TASK_COMPLETE; 1360d69ea414SJacob Keller found = true; 1361d69ea414SJacob Keller } 1362d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1363d69ea414SJacob Keller 1364d69ea414SJacob Keller if (found) 1365d69ea414SJacob Keller wake_up(&pf->aq_wait_queue); 1366d69ea414SJacob Keller } 1367d69ea414SJacob Keller 1368d69ea414SJacob Keller /** 1369d69ea414SJacob Keller * ice_aq_cancel_waiting_tasks - Immediately cancel all waiting tasks 1370d69ea414SJacob Keller * @pf: the PF private structure 1371d69ea414SJacob Keller * 1372d69ea414SJacob Keller * Set all waiting tasks to ICE_AQ_TASK_CANCELED, and wake up their threads. 1373d69ea414SJacob Keller * This will then cause ice_aq_wait_for_event to exit with -ECANCELED. 1374d69ea414SJacob Keller */ 1375d69ea414SJacob Keller static void ice_aq_cancel_waiting_tasks(struct ice_pf *pf) 1376d69ea414SJacob Keller { 1377d69ea414SJacob Keller struct ice_aq_task *task; 1378d69ea414SJacob Keller 1379d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1380d69ea414SJacob Keller hlist_for_each_entry(task, &pf->aq_wait_list, entry) 1381d69ea414SJacob Keller task->state = ICE_AQ_TASK_CANCELED; 1382d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1383d69ea414SJacob Keller 1384d69ea414SJacob Keller wake_up(&pf->aq_wait_queue); 1385d69ea414SJacob Keller } 1386d69ea414SJacob Keller 1387afc24d65SJacob Keller #define ICE_MBX_OVERFLOW_WATERMARK 64 1388afc24d65SJacob Keller 1389250c3b3eSBrett Creeley /** 1390940b61afSAnirudh Venkataramanan * __ice_clean_ctrlq - helper function to clean controlq rings 1391940b61afSAnirudh Venkataramanan * @pf: ptr to struct ice_pf 1392940b61afSAnirudh Venkataramanan * @q_type: specific Control queue type 1393940b61afSAnirudh Venkataramanan */ 1394940b61afSAnirudh Venkataramanan static int __ice_clean_ctrlq(struct ice_pf *pf, enum ice_ctl_q q_type) 1395940b61afSAnirudh Venkataramanan { 13964015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 1397940b61afSAnirudh Venkataramanan struct ice_rq_event_info event; 1398940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 1399940b61afSAnirudh Venkataramanan struct ice_ctl_q_info *cq; 1400940b61afSAnirudh Venkataramanan u16 pending, i = 0; 1401940b61afSAnirudh Venkataramanan const char *qtype; 1402940b61afSAnirudh Venkataramanan u32 oldval, val; 1403940b61afSAnirudh Venkataramanan 14040b28b702SAnirudh Venkataramanan /* Do not clean control queue if/when PF reset fails */ 14057e408e07SAnirudh Venkataramanan if (test_bit(ICE_RESET_FAILED, pf->state)) 14060b28b702SAnirudh Venkataramanan return 0; 14070b28b702SAnirudh Venkataramanan 1408940b61afSAnirudh Venkataramanan switch (q_type) { 1409940b61afSAnirudh Venkataramanan case ICE_CTL_Q_ADMIN: 1410940b61afSAnirudh Venkataramanan cq = &hw->adminq; 1411940b61afSAnirudh Venkataramanan qtype = "Admin"; 1412940b61afSAnirudh Venkataramanan break; 14138f5ee3c4SJacob Keller case ICE_CTL_Q_SB: 14148f5ee3c4SJacob Keller cq = &hw->sbq; 14158f5ee3c4SJacob Keller qtype = "Sideband"; 14168f5ee3c4SJacob Keller break; 141775d2b253SAnirudh Venkataramanan case ICE_CTL_Q_MAILBOX: 141875d2b253SAnirudh Venkataramanan cq = &hw->mailboxq; 141975d2b253SAnirudh Venkataramanan qtype = "Mailbox"; 14200891c896SVignesh Sridhar /* we are going to try to detect a malicious VF, so set the 14210891c896SVignesh Sridhar * state to begin detection 14220891c896SVignesh Sridhar */ 14230891c896SVignesh Sridhar hw->mbx_snapshot.mbx_buf.state = ICE_MAL_VF_DETECT_STATE_NEW_SNAPSHOT; 142475d2b253SAnirudh Venkataramanan break; 1425940b61afSAnirudh Venkataramanan default: 14264015d11eSBrett Creeley dev_warn(dev, "Unknown control queue type 0x%x\n", q_type); 1427940b61afSAnirudh Venkataramanan return 0; 1428940b61afSAnirudh Venkataramanan } 1429940b61afSAnirudh Venkataramanan 1430940b61afSAnirudh Venkataramanan /* check for error indications - PF_xx_AxQLEN register layout for 1431940b61afSAnirudh Venkataramanan * FW/MBX/SB are identical so just use defines for PF_FW_AxQLEN. 1432940b61afSAnirudh Venkataramanan */ 1433940b61afSAnirudh Venkataramanan val = rd32(hw, cq->rq.len); 1434940b61afSAnirudh Venkataramanan if (val & (PF_FW_ARQLEN_ARQVFE_M | PF_FW_ARQLEN_ARQOVFL_M | 1435940b61afSAnirudh Venkataramanan PF_FW_ARQLEN_ARQCRIT_M)) { 1436940b61afSAnirudh Venkataramanan oldval = val; 1437940b61afSAnirudh Venkataramanan if (val & PF_FW_ARQLEN_ARQVFE_M) 14384015d11eSBrett Creeley dev_dbg(dev, "%s Receive Queue VF Error detected\n", 14394015d11eSBrett Creeley qtype); 1440940b61afSAnirudh Venkataramanan if (val & PF_FW_ARQLEN_ARQOVFL_M) { 144119cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Receive Queue Overflow Error detected\n", 1442940b61afSAnirudh Venkataramanan qtype); 1443940b61afSAnirudh Venkataramanan } 1444940b61afSAnirudh Venkataramanan if (val & PF_FW_ARQLEN_ARQCRIT_M) 144519cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Receive Queue Critical Error detected\n", 1446940b61afSAnirudh Venkataramanan qtype); 1447940b61afSAnirudh Venkataramanan val &= ~(PF_FW_ARQLEN_ARQVFE_M | PF_FW_ARQLEN_ARQOVFL_M | 1448940b61afSAnirudh Venkataramanan PF_FW_ARQLEN_ARQCRIT_M); 1449940b61afSAnirudh Venkataramanan if (oldval != val) 1450940b61afSAnirudh Venkataramanan wr32(hw, cq->rq.len, val); 1451940b61afSAnirudh Venkataramanan } 1452940b61afSAnirudh Venkataramanan 1453940b61afSAnirudh Venkataramanan val = rd32(hw, cq->sq.len); 1454940b61afSAnirudh Venkataramanan if (val & (PF_FW_ATQLEN_ATQVFE_M | PF_FW_ATQLEN_ATQOVFL_M | 1455940b61afSAnirudh Venkataramanan PF_FW_ATQLEN_ATQCRIT_M)) { 1456940b61afSAnirudh Venkataramanan oldval = val; 1457940b61afSAnirudh Venkataramanan if (val & PF_FW_ATQLEN_ATQVFE_M) 145819cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Send Queue VF Error detected\n", 145919cce2c6SAnirudh Venkataramanan qtype); 1460940b61afSAnirudh Venkataramanan if (val & PF_FW_ATQLEN_ATQOVFL_M) { 14614015d11eSBrett Creeley dev_dbg(dev, "%s Send Queue Overflow Error detected\n", 1462940b61afSAnirudh Venkataramanan qtype); 1463940b61afSAnirudh Venkataramanan } 1464940b61afSAnirudh Venkataramanan if (val & PF_FW_ATQLEN_ATQCRIT_M) 14654015d11eSBrett Creeley dev_dbg(dev, "%s Send Queue Critical Error detected\n", 1466940b61afSAnirudh Venkataramanan qtype); 1467940b61afSAnirudh Venkataramanan val &= ~(PF_FW_ATQLEN_ATQVFE_M | PF_FW_ATQLEN_ATQOVFL_M | 1468940b61afSAnirudh Venkataramanan PF_FW_ATQLEN_ATQCRIT_M); 1469940b61afSAnirudh Venkataramanan if (oldval != val) 1470940b61afSAnirudh Venkataramanan wr32(hw, cq->sq.len, val); 1471940b61afSAnirudh Venkataramanan } 1472940b61afSAnirudh Venkataramanan 1473940b61afSAnirudh Venkataramanan event.buf_len = cq->rq_buf_size; 14749efe35d0STony Nguyen event.msg_buf = kzalloc(event.buf_len, GFP_KERNEL); 1475940b61afSAnirudh Venkataramanan if (!event.msg_buf) 1476940b61afSAnirudh Venkataramanan return 0; 1477940b61afSAnirudh Venkataramanan 1478940b61afSAnirudh Venkataramanan do { 1479afc24d65SJacob Keller struct ice_mbx_data data = {}; 14800b28b702SAnirudh Venkataramanan u16 opcode; 14815518ac2aSTony Nguyen int ret; 1482940b61afSAnirudh Venkataramanan 1483940b61afSAnirudh Venkataramanan ret = ice_clean_rq_elem(hw, cq, &event, &pending); 1484d54699e2STony Nguyen if (ret == -EALREADY) 1485940b61afSAnirudh Venkataramanan break; 1486940b61afSAnirudh Venkataramanan if (ret) { 14875f87ec48STony Nguyen dev_err(dev, "%s Receive Queue event error %d\n", qtype, 14885f87ec48STony Nguyen ret); 1489940b61afSAnirudh Venkataramanan break; 1490940b61afSAnirudh Venkataramanan } 14910b28b702SAnirudh Venkataramanan 14920b28b702SAnirudh Venkataramanan opcode = le16_to_cpu(event.desc.opcode); 14930b28b702SAnirudh Venkataramanan 1494d69ea414SJacob Keller /* Notify any thread that might be waiting for this event */ 1495d69ea414SJacob Keller ice_aq_check_events(pf, opcode, &event); 1496d69ea414SJacob Keller 14970b28b702SAnirudh Venkataramanan switch (opcode) { 1498250c3b3eSBrett Creeley case ice_aqc_opc_get_link_status: 1499c2a23e00SBrett Creeley if (ice_handle_link_event(pf, &event)) 15004015d11eSBrett Creeley dev_err(dev, "Could not handle link event\n"); 1501250c3b3eSBrett Creeley break; 15022309ae38SBrett Creeley case ice_aqc_opc_event_lan_overflow: 15032309ae38SBrett Creeley ice_vf_lan_overflow_event(pf, &event); 15042309ae38SBrett Creeley break; 15051071a835SAnirudh Venkataramanan case ice_mbx_opc_send_msg_to_pf: 1506afc24d65SJacob Keller data.num_msg_proc = i; 1507afc24d65SJacob Keller data.num_pending_arq = pending; 1508afc24d65SJacob Keller data.max_num_msgs_mbx = hw->mailboxq.num_rq_entries; 1509afc24d65SJacob Keller data.async_watermark_val = ICE_MBX_OVERFLOW_WATERMARK; 1510afc24d65SJacob Keller 1511be96815cSJacob Keller ice_vc_process_vf_msg(pf, &event, &data); 15121071a835SAnirudh Venkataramanan break; 15138b97ceb1SHieu Tran case ice_aqc_opc_fw_logging: 15148b97ceb1SHieu Tran ice_output_fw_log(hw, &event.desc, event.msg_buf); 15158b97ceb1SHieu Tran break; 151600cc3f1bSAnirudh Venkataramanan case ice_aqc_opc_lldp_set_mib_change: 151700cc3f1bSAnirudh Venkataramanan ice_dcb_process_lldp_set_mib_change(pf, &event); 151800cc3f1bSAnirudh Venkataramanan break; 15190b28b702SAnirudh Venkataramanan default: 152019cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Receive Queue unknown event 0x%04x ignored\n", 15210b28b702SAnirudh Venkataramanan qtype, opcode); 15220b28b702SAnirudh Venkataramanan break; 15230b28b702SAnirudh Venkataramanan } 1524940b61afSAnirudh Venkataramanan } while (pending && (i++ < ICE_DFLT_IRQ_WORK)); 1525940b61afSAnirudh Venkataramanan 15269efe35d0STony Nguyen kfree(event.msg_buf); 1527940b61afSAnirudh Venkataramanan 1528940b61afSAnirudh Venkataramanan return pending && (i == ICE_DFLT_IRQ_WORK); 1529940b61afSAnirudh Venkataramanan } 1530940b61afSAnirudh Venkataramanan 1531940b61afSAnirudh Venkataramanan /** 15323d6b640eSAnirudh Venkataramanan * ice_ctrlq_pending - check if there is a difference between ntc and ntu 15333d6b640eSAnirudh Venkataramanan * @hw: pointer to hardware info 15343d6b640eSAnirudh Venkataramanan * @cq: control queue information 15353d6b640eSAnirudh Venkataramanan * 15363d6b640eSAnirudh Venkataramanan * returns true if there are pending messages in a queue, false if there aren't 15373d6b640eSAnirudh Venkataramanan */ 15383d6b640eSAnirudh Venkataramanan static bool ice_ctrlq_pending(struct ice_hw *hw, struct ice_ctl_q_info *cq) 15393d6b640eSAnirudh Venkataramanan { 15403d6b640eSAnirudh Venkataramanan u16 ntu; 15413d6b640eSAnirudh Venkataramanan 15423d6b640eSAnirudh Venkataramanan ntu = (u16)(rd32(hw, cq->rq.head) & cq->rq.head_mask); 15433d6b640eSAnirudh Venkataramanan return cq->rq.next_to_clean != ntu; 15443d6b640eSAnirudh Venkataramanan } 15453d6b640eSAnirudh Venkataramanan 15463d6b640eSAnirudh Venkataramanan /** 1547940b61afSAnirudh Venkataramanan * ice_clean_adminq_subtask - clean the AdminQ rings 1548940b61afSAnirudh Venkataramanan * @pf: board private structure 1549940b61afSAnirudh Venkataramanan */ 1550940b61afSAnirudh Venkataramanan static void ice_clean_adminq_subtask(struct ice_pf *pf) 1551940b61afSAnirudh Venkataramanan { 1552940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 1553940b61afSAnirudh Venkataramanan 15547e408e07SAnirudh Venkataramanan if (!test_bit(ICE_ADMINQ_EVENT_PENDING, pf->state)) 1555940b61afSAnirudh Venkataramanan return; 1556940b61afSAnirudh Venkataramanan 1557940b61afSAnirudh Venkataramanan if (__ice_clean_ctrlq(pf, ICE_CTL_Q_ADMIN)) 1558940b61afSAnirudh Venkataramanan return; 1559940b61afSAnirudh Venkataramanan 15607e408e07SAnirudh Venkataramanan clear_bit(ICE_ADMINQ_EVENT_PENDING, pf->state); 1561940b61afSAnirudh Venkataramanan 15623d6b640eSAnirudh Venkataramanan /* There might be a situation where new messages arrive to a control 15633d6b640eSAnirudh Venkataramanan * queue between processing the last message and clearing the 15643d6b640eSAnirudh Venkataramanan * EVENT_PENDING bit. So before exiting, check queue head again (using 15653d6b640eSAnirudh Venkataramanan * ice_ctrlq_pending) and process new messages if any. 15663d6b640eSAnirudh Venkataramanan */ 15673d6b640eSAnirudh Venkataramanan if (ice_ctrlq_pending(hw, &hw->adminq)) 15683d6b640eSAnirudh Venkataramanan __ice_clean_ctrlq(pf, ICE_CTL_Q_ADMIN); 1569940b61afSAnirudh Venkataramanan 1570940b61afSAnirudh Venkataramanan ice_flush(hw); 1571940b61afSAnirudh Venkataramanan } 1572940b61afSAnirudh Venkataramanan 1573940b61afSAnirudh Venkataramanan /** 157475d2b253SAnirudh Venkataramanan * ice_clean_mailboxq_subtask - clean the MailboxQ rings 157575d2b253SAnirudh Venkataramanan * @pf: board private structure 157675d2b253SAnirudh Venkataramanan */ 157775d2b253SAnirudh Venkataramanan static void ice_clean_mailboxq_subtask(struct ice_pf *pf) 157875d2b253SAnirudh Venkataramanan { 157975d2b253SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 158075d2b253SAnirudh Venkataramanan 15817e408e07SAnirudh Venkataramanan if (!test_bit(ICE_MAILBOXQ_EVENT_PENDING, pf->state)) 158275d2b253SAnirudh Venkataramanan return; 158375d2b253SAnirudh Venkataramanan 158475d2b253SAnirudh Venkataramanan if (__ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX)) 158575d2b253SAnirudh Venkataramanan return; 158675d2b253SAnirudh Venkataramanan 15877e408e07SAnirudh Venkataramanan clear_bit(ICE_MAILBOXQ_EVENT_PENDING, pf->state); 158875d2b253SAnirudh Venkataramanan 158975d2b253SAnirudh Venkataramanan if (ice_ctrlq_pending(hw, &hw->mailboxq)) 159075d2b253SAnirudh Venkataramanan __ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX); 159175d2b253SAnirudh Venkataramanan 159275d2b253SAnirudh Venkataramanan ice_flush(hw); 159375d2b253SAnirudh Venkataramanan } 159475d2b253SAnirudh Venkataramanan 159575d2b253SAnirudh Venkataramanan /** 15968f5ee3c4SJacob Keller * ice_clean_sbq_subtask - clean the Sideband Queue rings 15978f5ee3c4SJacob Keller * @pf: board private structure 15988f5ee3c4SJacob Keller */ 15998f5ee3c4SJacob Keller static void ice_clean_sbq_subtask(struct ice_pf *pf) 16008f5ee3c4SJacob Keller { 16018f5ee3c4SJacob Keller struct ice_hw *hw = &pf->hw; 16028f5ee3c4SJacob Keller 16038f5ee3c4SJacob Keller /* Nothing to do here if sideband queue is not supported */ 16048f5ee3c4SJacob Keller if (!ice_is_sbq_supported(hw)) { 16058f5ee3c4SJacob Keller clear_bit(ICE_SIDEBANDQ_EVENT_PENDING, pf->state); 16068f5ee3c4SJacob Keller return; 16078f5ee3c4SJacob Keller } 16088f5ee3c4SJacob Keller 16098f5ee3c4SJacob Keller if (!test_bit(ICE_SIDEBANDQ_EVENT_PENDING, pf->state)) 16108f5ee3c4SJacob Keller return; 16118f5ee3c4SJacob Keller 16128f5ee3c4SJacob Keller if (__ice_clean_ctrlq(pf, ICE_CTL_Q_SB)) 16138f5ee3c4SJacob Keller return; 16148f5ee3c4SJacob Keller 16158f5ee3c4SJacob Keller clear_bit(ICE_SIDEBANDQ_EVENT_PENDING, pf->state); 16168f5ee3c4SJacob Keller 16178f5ee3c4SJacob Keller if (ice_ctrlq_pending(hw, &hw->sbq)) 16188f5ee3c4SJacob Keller __ice_clean_ctrlq(pf, ICE_CTL_Q_SB); 16198f5ee3c4SJacob Keller 16208f5ee3c4SJacob Keller ice_flush(hw); 16218f5ee3c4SJacob Keller } 16228f5ee3c4SJacob Keller 16238f5ee3c4SJacob Keller /** 1624940b61afSAnirudh Venkataramanan * ice_service_task_schedule - schedule the service task to wake up 1625940b61afSAnirudh Venkataramanan * @pf: board private structure 1626940b61afSAnirudh Venkataramanan * 1627940b61afSAnirudh Venkataramanan * If not already scheduled, this puts the task into the work queue. 1628940b61afSAnirudh Venkataramanan */ 162928bf2672SBrett Creeley void ice_service_task_schedule(struct ice_pf *pf) 1630940b61afSAnirudh Venkataramanan { 16317e408e07SAnirudh Venkataramanan if (!test_bit(ICE_SERVICE_DIS, pf->state) && 16327e408e07SAnirudh Venkataramanan !test_and_set_bit(ICE_SERVICE_SCHED, pf->state) && 16337e408e07SAnirudh Venkataramanan !test_bit(ICE_NEEDS_RESTART, pf->state)) 1634940b61afSAnirudh Venkataramanan queue_work(ice_wq, &pf->serv_task); 1635940b61afSAnirudh Venkataramanan } 1636940b61afSAnirudh Venkataramanan 1637940b61afSAnirudh Venkataramanan /** 1638940b61afSAnirudh Venkataramanan * ice_service_task_complete - finish up the service task 1639940b61afSAnirudh Venkataramanan * @pf: board private structure 1640940b61afSAnirudh Venkataramanan */ 1641940b61afSAnirudh Venkataramanan static void ice_service_task_complete(struct ice_pf *pf) 1642940b61afSAnirudh Venkataramanan { 16437e408e07SAnirudh Venkataramanan WARN_ON(!test_bit(ICE_SERVICE_SCHED, pf->state)); 1644940b61afSAnirudh Venkataramanan 1645940b61afSAnirudh Venkataramanan /* force memory (pf->state) to sync before next service task */ 1646940b61afSAnirudh Venkataramanan smp_mb__before_atomic(); 16477e408e07SAnirudh Venkataramanan clear_bit(ICE_SERVICE_SCHED, pf->state); 1648940b61afSAnirudh Venkataramanan } 1649940b61afSAnirudh Venkataramanan 1650940b61afSAnirudh Venkataramanan /** 16518d81fa55SAkeem G Abodunrin * ice_service_task_stop - stop service task and cancel works 16528d81fa55SAkeem G Abodunrin * @pf: board private structure 1653769c500dSAkeem G Abodunrin * 16547e408e07SAnirudh Venkataramanan * Return 0 if the ICE_SERVICE_DIS bit was not already set, 1655769c500dSAkeem G Abodunrin * 1 otherwise. 16568d81fa55SAkeem G Abodunrin */ 1657769c500dSAkeem G Abodunrin static int ice_service_task_stop(struct ice_pf *pf) 16588d81fa55SAkeem G Abodunrin { 1659769c500dSAkeem G Abodunrin int ret; 1660769c500dSAkeem G Abodunrin 16617e408e07SAnirudh Venkataramanan ret = test_and_set_bit(ICE_SERVICE_DIS, pf->state); 16628d81fa55SAkeem G Abodunrin 16638d81fa55SAkeem G Abodunrin if (pf->serv_tmr.function) 16648d81fa55SAkeem G Abodunrin del_timer_sync(&pf->serv_tmr); 16658d81fa55SAkeem G Abodunrin if (pf->serv_task.func) 16668d81fa55SAkeem G Abodunrin cancel_work_sync(&pf->serv_task); 16678d81fa55SAkeem G Abodunrin 16687e408e07SAnirudh Venkataramanan clear_bit(ICE_SERVICE_SCHED, pf->state); 1669769c500dSAkeem G Abodunrin return ret; 16708d81fa55SAkeem G Abodunrin } 16718d81fa55SAkeem G Abodunrin 16728d81fa55SAkeem G Abodunrin /** 16735995b6d0SBrett Creeley * ice_service_task_restart - restart service task and schedule works 16745995b6d0SBrett Creeley * @pf: board private structure 16755995b6d0SBrett Creeley * 16765995b6d0SBrett Creeley * This function is needed for suspend and resume works (e.g WoL scenario) 16775995b6d0SBrett Creeley */ 16785995b6d0SBrett Creeley static void ice_service_task_restart(struct ice_pf *pf) 16795995b6d0SBrett Creeley { 16807e408e07SAnirudh Venkataramanan clear_bit(ICE_SERVICE_DIS, pf->state); 16815995b6d0SBrett Creeley ice_service_task_schedule(pf); 16825995b6d0SBrett Creeley } 16835995b6d0SBrett Creeley 16845995b6d0SBrett Creeley /** 1685940b61afSAnirudh Venkataramanan * ice_service_timer - timer callback to schedule service task 1686940b61afSAnirudh Venkataramanan * @t: pointer to timer_list 1687940b61afSAnirudh Venkataramanan */ 1688940b61afSAnirudh Venkataramanan static void ice_service_timer(struct timer_list *t) 1689940b61afSAnirudh Venkataramanan { 1690940b61afSAnirudh Venkataramanan struct ice_pf *pf = from_timer(pf, t, serv_tmr); 1691940b61afSAnirudh Venkataramanan 1692940b61afSAnirudh Venkataramanan mod_timer(&pf->serv_tmr, round_jiffies(pf->serv_tmr_period + jiffies)); 1693940b61afSAnirudh Venkataramanan ice_service_task_schedule(pf); 1694940b61afSAnirudh Venkataramanan } 1695940b61afSAnirudh Venkataramanan 1696940b61afSAnirudh Venkataramanan /** 1697b3969fd7SSudheer Mogilappagari * ice_handle_mdd_event - handle malicious driver detect event 1698b3969fd7SSudheer Mogilappagari * @pf: pointer to the PF structure 1699b3969fd7SSudheer Mogilappagari * 17009d5c5a52SPaul Greenwalt * Called from service task. OICR interrupt handler indicates MDD event. 17019d5c5a52SPaul Greenwalt * VF MDD logging is guarded by net_ratelimit. Additional PF and VF log 17029d5c5a52SPaul Greenwalt * messages are wrapped by netif_msg_[rx|tx]_err. Since VF Rx MDD events 17039d5c5a52SPaul Greenwalt * disable the queue, the PF can be configured to reset the VF using ethtool 17049d5c5a52SPaul Greenwalt * private flag mdd-auto-reset-vf. 1705b3969fd7SSudheer Mogilappagari */ 1706b3969fd7SSudheer Mogilappagari static void ice_handle_mdd_event(struct ice_pf *pf) 1707b3969fd7SSudheer Mogilappagari { 17084015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 1709b3969fd7SSudheer Mogilappagari struct ice_hw *hw = &pf->hw; 1710c4c2c7dbSJacob Keller struct ice_vf *vf; 1711c4c2c7dbSJacob Keller unsigned int bkt; 1712b3969fd7SSudheer Mogilappagari u32 reg; 1713b3969fd7SSudheer Mogilappagari 17147e408e07SAnirudh Venkataramanan if (!test_and_clear_bit(ICE_MDD_EVENT_PENDING, pf->state)) { 17159d5c5a52SPaul Greenwalt /* Since the VF MDD event logging is rate limited, check if 17169d5c5a52SPaul Greenwalt * there are pending MDD events. 17179d5c5a52SPaul Greenwalt */ 17189d5c5a52SPaul Greenwalt ice_print_vfs_mdd_events(pf); 1719b3969fd7SSudheer Mogilappagari return; 17209d5c5a52SPaul Greenwalt } 1721b3969fd7SSudheer Mogilappagari 17229d5c5a52SPaul Greenwalt /* find what triggered an MDD event */ 1723b3969fd7SSudheer Mogilappagari reg = rd32(hw, GL_MDET_TX_PQM); 1724b3969fd7SSudheer Mogilappagari if (reg & GL_MDET_TX_PQM_VALID_M) { 1725b3969fd7SSudheer Mogilappagari u8 pf_num = (reg & GL_MDET_TX_PQM_PF_NUM_M) >> 1726b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_PF_NUM_S; 1727b3969fd7SSudheer Mogilappagari u16 vf_num = (reg & GL_MDET_TX_PQM_VF_NUM_M) >> 1728b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_VF_NUM_S; 1729b3969fd7SSudheer Mogilappagari u8 event = (reg & GL_MDET_TX_PQM_MAL_TYPE_M) >> 1730b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_MAL_TYPE_S; 1731b3969fd7SSudheer Mogilappagari u16 queue = ((reg & GL_MDET_TX_PQM_QNUM_M) >> 1732b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_QNUM_S); 1733b3969fd7SSudheer Mogilappagari 1734b3969fd7SSudheer Mogilappagari if (netif_msg_tx_err(pf)) 17354015d11eSBrett Creeley dev_info(dev, "Malicious Driver Detection event %d on TX queue %d PF# %d VF# %d\n", 1736b3969fd7SSudheer Mogilappagari event, queue, pf_num, vf_num); 1737b3969fd7SSudheer Mogilappagari wr32(hw, GL_MDET_TX_PQM, 0xffffffff); 1738b3969fd7SSudheer Mogilappagari } 1739b3969fd7SSudheer Mogilappagari 1740b3969fd7SSudheer Mogilappagari reg = rd32(hw, GL_MDET_TX_TCLAN); 1741b3969fd7SSudheer Mogilappagari if (reg & GL_MDET_TX_TCLAN_VALID_M) { 1742b3969fd7SSudheer Mogilappagari u8 pf_num = (reg & GL_MDET_TX_TCLAN_PF_NUM_M) >> 1743b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_PF_NUM_S; 1744b3969fd7SSudheer Mogilappagari u16 vf_num = (reg & GL_MDET_TX_TCLAN_VF_NUM_M) >> 1745b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_VF_NUM_S; 1746b3969fd7SSudheer Mogilappagari u8 event = (reg & GL_MDET_TX_TCLAN_MAL_TYPE_M) >> 1747b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_MAL_TYPE_S; 1748b3969fd7SSudheer Mogilappagari u16 queue = ((reg & GL_MDET_TX_TCLAN_QNUM_M) >> 1749b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_QNUM_S); 1750b3969fd7SSudheer Mogilappagari 17511d8bd992SBen Shelton if (netif_msg_tx_err(pf)) 17524015d11eSBrett Creeley dev_info(dev, "Malicious Driver Detection event %d on TX queue %d PF# %d VF# %d\n", 1753b3969fd7SSudheer Mogilappagari event, queue, pf_num, vf_num); 1754b3969fd7SSudheer Mogilappagari wr32(hw, GL_MDET_TX_TCLAN, 0xffffffff); 1755b3969fd7SSudheer Mogilappagari } 1756b3969fd7SSudheer Mogilappagari 1757b3969fd7SSudheer Mogilappagari reg = rd32(hw, GL_MDET_RX); 1758b3969fd7SSudheer Mogilappagari if (reg & GL_MDET_RX_VALID_M) { 1759b3969fd7SSudheer Mogilappagari u8 pf_num = (reg & GL_MDET_RX_PF_NUM_M) >> 1760b3969fd7SSudheer Mogilappagari GL_MDET_RX_PF_NUM_S; 1761b3969fd7SSudheer Mogilappagari u16 vf_num = (reg & GL_MDET_RX_VF_NUM_M) >> 1762b3969fd7SSudheer Mogilappagari GL_MDET_RX_VF_NUM_S; 1763b3969fd7SSudheer Mogilappagari u8 event = (reg & GL_MDET_RX_MAL_TYPE_M) >> 1764b3969fd7SSudheer Mogilappagari GL_MDET_RX_MAL_TYPE_S; 1765b3969fd7SSudheer Mogilappagari u16 queue = ((reg & GL_MDET_RX_QNUM_M) >> 1766b3969fd7SSudheer Mogilappagari GL_MDET_RX_QNUM_S); 1767b3969fd7SSudheer Mogilappagari 1768b3969fd7SSudheer Mogilappagari if (netif_msg_rx_err(pf)) 17694015d11eSBrett Creeley dev_info(dev, "Malicious Driver Detection event %d on RX queue %d PF# %d VF# %d\n", 1770b3969fd7SSudheer Mogilappagari event, queue, pf_num, vf_num); 1771b3969fd7SSudheer Mogilappagari wr32(hw, GL_MDET_RX, 0xffffffff); 1772b3969fd7SSudheer Mogilappagari } 1773b3969fd7SSudheer Mogilappagari 17749d5c5a52SPaul Greenwalt /* check to see if this PF caused an MDD event */ 1775b3969fd7SSudheer Mogilappagari reg = rd32(hw, PF_MDET_TX_PQM); 1776b3969fd7SSudheer Mogilappagari if (reg & PF_MDET_TX_PQM_VALID_M) { 1777b3969fd7SSudheer Mogilappagari wr32(hw, PF_MDET_TX_PQM, 0xFFFF); 17789d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 17799d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_PQM detected on PF\n"); 1780b3969fd7SSudheer Mogilappagari } 1781b3969fd7SSudheer Mogilappagari 1782b3969fd7SSudheer Mogilappagari reg = rd32(hw, PF_MDET_TX_TCLAN); 1783b3969fd7SSudheer Mogilappagari if (reg & PF_MDET_TX_TCLAN_VALID_M) { 1784b3969fd7SSudheer Mogilappagari wr32(hw, PF_MDET_TX_TCLAN, 0xFFFF); 17859d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 17869d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_TCLAN detected on PF\n"); 1787b3969fd7SSudheer Mogilappagari } 1788b3969fd7SSudheer Mogilappagari 1789b3969fd7SSudheer Mogilappagari reg = rd32(hw, PF_MDET_RX); 1790b3969fd7SSudheer Mogilappagari if (reg & PF_MDET_RX_VALID_M) { 1791b3969fd7SSudheer Mogilappagari wr32(hw, PF_MDET_RX, 0xFFFF); 17929d5c5a52SPaul Greenwalt if (netif_msg_rx_err(pf)) 17939d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event RX detected on PF\n"); 1794b3969fd7SSudheer Mogilappagari } 1795b3969fd7SSudheer Mogilappagari 17969d5c5a52SPaul Greenwalt /* Check to see if one of the VFs caused an MDD event, and then 17979d5c5a52SPaul Greenwalt * increment counters and set print pending 17989d5c5a52SPaul Greenwalt */ 17993d5985a1SJacob Keller mutex_lock(&pf->vfs.table_lock); 1800c4c2c7dbSJacob Keller ice_for_each_vf(pf, bkt, vf) { 1801c4c2c7dbSJacob Keller reg = rd32(hw, VP_MDET_TX_PQM(vf->vf_id)); 18027c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_TX_PQM_VALID_M) { 1803c4c2c7dbSJacob Keller wr32(hw, VP_MDET_TX_PQM(vf->vf_id), 0xFFFF); 18049d5c5a52SPaul Greenwalt vf->mdd_tx_events.count++; 18057e408e07SAnirudh Venkataramanan set_bit(ICE_MDD_VF_PRINT_PENDING, pf->state); 18069d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 18079d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_PQM detected on VF %d\n", 1808c4c2c7dbSJacob Keller vf->vf_id); 18097c4bc1f5SAnirudh Venkataramanan } 18107c4bc1f5SAnirudh Venkataramanan 1811c4c2c7dbSJacob Keller reg = rd32(hw, VP_MDET_TX_TCLAN(vf->vf_id)); 18127c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_TX_TCLAN_VALID_M) { 1813c4c2c7dbSJacob Keller wr32(hw, VP_MDET_TX_TCLAN(vf->vf_id), 0xFFFF); 18149d5c5a52SPaul Greenwalt vf->mdd_tx_events.count++; 18157e408e07SAnirudh Venkataramanan set_bit(ICE_MDD_VF_PRINT_PENDING, pf->state); 18169d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 18179d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_TCLAN detected on VF %d\n", 1818c4c2c7dbSJacob Keller vf->vf_id); 18197c4bc1f5SAnirudh Venkataramanan } 18207c4bc1f5SAnirudh Venkataramanan 1821c4c2c7dbSJacob Keller reg = rd32(hw, VP_MDET_TX_TDPU(vf->vf_id)); 18227c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_TX_TDPU_VALID_M) { 1823c4c2c7dbSJacob Keller wr32(hw, VP_MDET_TX_TDPU(vf->vf_id), 0xFFFF); 18249d5c5a52SPaul Greenwalt vf->mdd_tx_events.count++; 18257e408e07SAnirudh Venkataramanan set_bit(ICE_MDD_VF_PRINT_PENDING, pf->state); 18269d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 18279d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_TDPU detected on VF %d\n", 1828c4c2c7dbSJacob Keller vf->vf_id); 18297c4bc1f5SAnirudh Venkataramanan } 18307c4bc1f5SAnirudh Venkataramanan 1831c4c2c7dbSJacob Keller reg = rd32(hw, VP_MDET_RX(vf->vf_id)); 18327c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_RX_VALID_M) { 1833c4c2c7dbSJacob Keller wr32(hw, VP_MDET_RX(vf->vf_id), 0xFFFF); 18349d5c5a52SPaul Greenwalt vf->mdd_rx_events.count++; 18357e408e07SAnirudh Venkataramanan set_bit(ICE_MDD_VF_PRINT_PENDING, pf->state); 18369d5c5a52SPaul Greenwalt if (netif_msg_rx_err(pf)) 18379d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event RX detected on VF %d\n", 1838c4c2c7dbSJacob Keller vf->vf_id); 18399d5c5a52SPaul Greenwalt 18409d5c5a52SPaul Greenwalt /* Since the queue is disabled on VF Rx MDD events, the 18419d5c5a52SPaul Greenwalt * PF can be configured to reset the VF through ethtool 18429d5c5a52SPaul Greenwalt * private flag mdd-auto-reset-vf. 18439d5c5a52SPaul Greenwalt */ 18447438a3b0SPaul Greenwalt if (test_bit(ICE_FLAG_MDD_AUTO_RESET_VF, pf->flags)) { 18457438a3b0SPaul Greenwalt /* VF MDD event counters will be cleared by 18467438a3b0SPaul Greenwalt * reset, so print the event prior to reset. 18477438a3b0SPaul Greenwalt */ 18487438a3b0SPaul Greenwalt ice_print_vf_rx_mdd_event(vf); 1849f5f085c0SJacob Keller ice_reset_vf(vf, ICE_VF_RESET_LOCK); 18509d5c5a52SPaul Greenwalt } 18517c4bc1f5SAnirudh Venkataramanan } 18527438a3b0SPaul Greenwalt } 18533d5985a1SJacob Keller mutex_unlock(&pf->vfs.table_lock); 18547c4bc1f5SAnirudh Venkataramanan 18559d5c5a52SPaul Greenwalt ice_print_vfs_mdd_events(pf); 1856b3969fd7SSudheer Mogilappagari } 1857b3969fd7SSudheer Mogilappagari 1858b3969fd7SSudheer Mogilappagari /** 18596d599946STony Nguyen * ice_force_phys_link_state - Force the physical link state 18606d599946STony Nguyen * @vsi: VSI to force the physical link state to up/down 18616d599946STony Nguyen * @link_up: true/false indicates to set the physical link to up/down 18626d599946STony Nguyen * 18636d599946STony Nguyen * Force the physical link state by getting the current PHY capabilities from 18646d599946STony Nguyen * hardware and setting the PHY config based on the determined capabilities. If 18656d599946STony Nguyen * link changes a link event will be triggered because both the Enable Automatic 18666d599946STony Nguyen * Link Update and LESM Enable bits are set when setting the PHY capabilities. 18676d599946STony Nguyen * 18686d599946STony Nguyen * Returns 0 on success, negative on failure 18696d599946STony Nguyen */ 18706d599946STony Nguyen static int ice_force_phys_link_state(struct ice_vsi *vsi, bool link_up) 18716d599946STony Nguyen { 18726d599946STony Nguyen struct ice_aqc_get_phy_caps_data *pcaps; 18736d599946STony Nguyen struct ice_aqc_set_phy_cfg_data *cfg; 18746d599946STony Nguyen struct ice_port_info *pi; 18756d599946STony Nguyen struct device *dev; 18766d599946STony Nguyen int retcode; 18776d599946STony Nguyen 18786d599946STony Nguyen if (!vsi || !vsi->port_info || !vsi->back) 18796d599946STony Nguyen return -EINVAL; 18806d599946STony Nguyen if (vsi->type != ICE_VSI_PF) 18816d599946STony Nguyen return 0; 18826d599946STony Nguyen 18839a946843SAnirudh Venkataramanan dev = ice_pf_to_dev(vsi->back); 18846d599946STony Nguyen 18856d599946STony Nguyen pi = vsi->port_info; 18866d599946STony Nguyen 18879efe35d0STony Nguyen pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 18886d599946STony Nguyen if (!pcaps) 18896d599946STony Nguyen return -ENOMEM; 18906d599946STony Nguyen 1891d6730a87SAnirudh Venkataramanan retcode = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 18926d599946STony Nguyen NULL); 18936d599946STony Nguyen if (retcode) { 189419cce2c6SAnirudh Venkataramanan dev_err(dev, "Failed to get phy capabilities, VSI %d error %d\n", 18956d599946STony Nguyen vsi->vsi_num, retcode); 18966d599946STony Nguyen retcode = -EIO; 18976d599946STony Nguyen goto out; 18986d599946STony Nguyen } 18996d599946STony Nguyen 19006d599946STony Nguyen /* No change in link */ 19016d599946STony Nguyen if (link_up == !!(pcaps->caps & ICE_AQC_PHY_EN_LINK) && 19026d599946STony Nguyen link_up == !!(pi->phy.link_info.link_info & ICE_AQ_LINK_UP)) 19036d599946STony Nguyen goto out; 19046d599946STony Nguyen 19051a3571b5SPaul Greenwalt /* Use the current user PHY configuration. The current user PHY 19061a3571b5SPaul Greenwalt * configuration is initialized during probe from PHY capabilities 19071a3571b5SPaul Greenwalt * software mode, and updated on set PHY configuration. 19081a3571b5SPaul Greenwalt */ 19091a3571b5SPaul Greenwalt cfg = kmemdup(&pi->phy.curr_user_phy_cfg, sizeof(*cfg), GFP_KERNEL); 19106d599946STony Nguyen if (!cfg) { 19116d599946STony Nguyen retcode = -ENOMEM; 19126d599946STony Nguyen goto out; 19136d599946STony Nguyen } 19146d599946STony Nguyen 19151a3571b5SPaul Greenwalt cfg->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 19166d599946STony Nguyen if (link_up) 19176d599946STony Nguyen cfg->caps |= ICE_AQ_PHY_ENA_LINK; 19186d599946STony Nguyen else 19196d599946STony Nguyen cfg->caps &= ~ICE_AQ_PHY_ENA_LINK; 19206d599946STony Nguyen 19211a3571b5SPaul Greenwalt retcode = ice_aq_set_phy_cfg(&vsi->back->hw, pi, cfg, NULL); 19226d599946STony Nguyen if (retcode) { 19236d599946STony Nguyen dev_err(dev, "Failed to set phy config, VSI %d error %d\n", 19246d599946STony Nguyen vsi->vsi_num, retcode); 19256d599946STony Nguyen retcode = -EIO; 19266d599946STony Nguyen } 19276d599946STony Nguyen 19289efe35d0STony Nguyen kfree(cfg); 19296d599946STony Nguyen out: 19309efe35d0STony Nguyen kfree(pcaps); 19316d599946STony Nguyen return retcode; 19326d599946STony Nguyen } 19336d599946STony Nguyen 19346d599946STony Nguyen /** 19351a3571b5SPaul Greenwalt * ice_init_nvm_phy_type - Initialize the NVM PHY type 19361a3571b5SPaul Greenwalt * @pi: port info structure 19371a3571b5SPaul Greenwalt * 1938ea78ce4dSPaul Greenwalt * Initialize nvm_phy_type_[low|high] for link lenient mode support 19391a3571b5SPaul Greenwalt */ 19401a3571b5SPaul Greenwalt static int ice_init_nvm_phy_type(struct ice_port_info *pi) 19411a3571b5SPaul Greenwalt { 19421a3571b5SPaul Greenwalt struct ice_aqc_get_phy_caps_data *pcaps; 19431a3571b5SPaul Greenwalt struct ice_pf *pf = pi->hw->back; 19442ccc1c1cSTony Nguyen int err; 19451a3571b5SPaul Greenwalt 19461a3571b5SPaul Greenwalt pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 19471a3571b5SPaul Greenwalt if (!pcaps) 19481a3571b5SPaul Greenwalt return -ENOMEM; 19491a3571b5SPaul Greenwalt 19502ccc1c1cSTony Nguyen err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_NO_MEDIA, 19512ccc1c1cSTony Nguyen pcaps, NULL); 19521a3571b5SPaul Greenwalt 19532ccc1c1cSTony Nguyen if (err) { 19541a3571b5SPaul Greenwalt dev_err(ice_pf_to_dev(pf), "Get PHY capability failed.\n"); 19551a3571b5SPaul Greenwalt goto out; 19561a3571b5SPaul Greenwalt } 19571a3571b5SPaul Greenwalt 19581a3571b5SPaul Greenwalt pf->nvm_phy_type_hi = pcaps->phy_type_high; 19591a3571b5SPaul Greenwalt pf->nvm_phy_type_lo = pcaps->phy_type_low; 19601a3571b5SPaul Greenwalt 19611a3571b5SPaul Greenwalt out: 19621a3571b5SPaul Greenwalt kfree(pcaps); 19631a3571b5SPaul Greenwalt return err; 19641a3571b5SPaul Greenwalt } 19651a3571b5SPaul Greenwalt 19661a3571b5SPaul Greenwalt /** 1967ea78ce4dSPaul Greenwalt * ice_init_link_dflt_override - Initialize link default override 1968ea78ce4dSPaul Greenwalt * @pi: port info structure 1969b4e813ddSBruce Allan * 1970b4e813ddSBruce Allan * Initialize link default override and PHY total port shutdown during probe 1971ea78ce4dSPaul Greenwalt */ 1972ea78ce4dSPaul Greenwalt static void ice_init_link_dflt_override(struct ice_port_info *pi) 1973ea78ce4dSPaul Greenwalt { 1974ea78ce4dSPaul Greenwalt struct ice_link_default_override_tlv *ldo; 1975ea78ce4dSPaul Greenwalt struct ice_pf *pf = pi->hw->back; 1976ea78ce4dSPaul Greenwalt 1977ea78ce4dSPaul Greenwalt ldo = &pf->link_dflt_override; 1978b4e813ddSBruce Allan if (ice_get_link_default_override(ldo, pi)) 1979b4e813ddSBruce Allan return; 1980b4e813ddSBruce Allan 1981b4e813ddSBruce Allan if (!(ldo->options & ICE_LINK_OVERRIDE_PORT_DIS)) 1982b4e813ddSBruce Allan return; 1983b4e813ddSBruce Allan 1984b4e813ddSBruce Allan /* Enable Total Port Shutdown (override/replace link-down-on-close 1985b4e813ddSBruce Allan * ethtool private flag) for ports with Port Disable bit set. 1986b4e813ddSBruce Allan */ 1987b4e813ddSBruce Allan set_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags); 1988b4e813ddSBruce Allan set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1989ea78ce4dSPaul Greenwalt } 1990ea78ce4dSPaul Greenwalt 1991ea78ce4dSPaul Greenwalt /** 1992ea78ce4dSPaul Greenwalt * ice_init_phy_cfg_dflt_override - Initialize PHY cfg default override settings 1993ea78ce4dSPaul Greenwalt * @pi: port info structure 1994ea78ce4dSPaul Greenwalt * 19950a02944fSAnirudh Venkataramanan * If default override is enabled, initialize the user PHY cfg speed and FEC 1996ea78ce4dSPaul Greenwalt * settings using the default override mask from the NVM. 1997ea78ce4dSPaul Greenwalt * 1998ea78ce4dSPaul Greenwalt * The PHY should only be configured with the default override settings the 19997e408e07SAnirudh Venkataramanan * first time media is available. The ICE_LINK_DEFAULT_OVERRIDE_PENDING state 2000ea78ce4dSPaul Greenwalt * is used to indicate that the user PHY cfg default override is initialized 2001ea78ce4dSPaul Greenwalt * and the PHY has not been configured with the default override settings. The 2002ea78ce4dSPaul Greenwalt * state is set here, and cleared in ice_configure_phy the first time the PHY is 2003ea78ce4dSPaul Greenwalt * configured. 20040a02944fSAnirudh Venkataramanan * 20050a02944fSAnirudh Venkataramanan * This function should be called only if the FW doesn't support default 20060a02944fSAnirudh Venkataramanan * configuration mode, as reported by ice_fw_supports_report_dflt_cfg. 2007ea78ce4dSPaul Greenwalt */ 2008ea78ce4dSPaul Greenwalt static void ice_init_phy_cfg_dflt_override(struct ice_port_info *pi) 2009ea78ce4dSPaul Greenwalt { 2010ea78ce4dSPaul Greenwalt struct ice_link_default_override_tlv *ldo; 2011ea78ce4dSPaul Greenwalt struct ice_aqc_set_phy_cfg_data *cfg; 2012ea78ce4dSPaul Greenwalt struct ice_phy_info *phy = &pi->phy; 2013ea78ce4dSPaul Greenwalt struct ice_pf *pf = pi->hw->back; 2014ea78ce4dSPaul Greenwalt 2015ea78ce4dSPaul Greenwalt ldo = &pf->link_dflt_override; 2016ea78ce4dSPaul Greenwalt 2017ea78ce4dSPaul Greenwalt /* If link default override is enabled, use to mask NVM PHY capabilities 2018ea78ce4dSPaul Greenwalt * for speed and FEC default configuration. 2019ea78ce4dSPaul Greenwalt */ 2020ea78ce4dSPaul Greenwalt cfg = &phy->curr_user_phy_cfg; 2021ea78ce4dSPaul Greenwalt 2022ea78ce4dSPaul Greenwalt if (ldo->phy_type_low || ldo->phy_type_high) { 2023ea78ce4dSPaul Greenwalt cfg->phy_type_low = pf->nvm_phy_type_lo & 2024ea78ce4dSPaul Greenwalt cpu_to_le64(ldo->phy_type_low); 2025ea78ce4dSPaul Greenwalt cfg->phy_type_high = pf->nvm_phy_type_hi & 2026ea78ce4dSPaul Greenwalt cpu_to_le64(ldo->phy_type_high); 2027ea78ce4dSPaul Greenwalt } 2028ea78ce4dSPaul Greenwalt cfg->link_fec_opt = ldo->fec_options; 2029ea78ce4dSPaul Greenwalt phy->curr_user_fec_req = ICE_FEC_AUTO; 2030ea78ce4dSPaul Greenwalt 20317e408e07SAnirudh Venkataramanan set_bit(ICE_LINK_DEFAULT_OVERRIDE_PENDING, pf->state); 2032ea78ce4dSPaul Greenwalt } 2033ea78ce4dSPaul Greenwalt 2034ea78ce4dSPaul Greenwalt /** 20351a3571b5SPaul Greenwalt * ice_init_phy_user_cfg - Initialize the PHY user configuration 20361a3571b5SPaul Greenwalt * @pi: port info structure 20371a3571b5SPaul Greenwalt * 20381a3571b5SPaul Greenwalt * Initialize the current user PHY configuration, speed, FEC, and FC requested 20391a3571b5SPaul Greenwalt * mode to default. The PHY defaults are from get PHY capabilities topology 20401a3571b5SPaul Greenwalt * with media so call when media is first available. An error is returned if 20411a3571b5SPaul Greenwalt * called when media is not available. The PHY initialization completed state is 20421a3571b5SPaul Greenwalt * set here. 20431a3571b5SPaul Greenwalt * 20441a3571b5SPaul Greenwalt * These configurations are used when setting PHY 20451a3571b5SPaul Greenwalt * configuration. The user PHY configuration is updated on set PHY 20461a3571b5SPaul Greenwalt * configuration. Returns 0 on success, negative on failure 20471a3571b5SPaul Greenwalt */ 20481a3571b5SPaul Greenwalt static int ice_init_phy_user_cfg(struct ice_port_info *pi) 20491a3571b5SPaul Greenwalt { 20501a3571b5SPaul Greenwalt struct ice_aqc_get_phy_caps_data *pcaps; 20511a3571b5SPaul Greenwalt struct ice_phy_info *phy = &pi->phy; 20521a3571b5SPaul Greenwalt struct ice_pf *pf = pi->hw->back; 20532ccc1c1cSTony Nguyen int err; 20541a3571b5SPaul Greenwalt 20551a3571b5SPaul Greenwalt if (!(phy->link_info.link_info & ICE_AQ_MEDIA_AVAILABLE)) 20561a3571b5SPaul Greenwalt return -EIO; 20571a3571b5SPaul Greenwalt 20581a3571b5SPaul Greenwalt pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 20591a3571b5SPaul Greenwalt if (!pcaps) 20601a3571b5SPaul Greenwalt return -ENOMEM; 20611a3571b5SPaul Greenwalt 20620a02944fSAnirudh Venkataramanan if (ice_fw_supports_report_dflt_cfg(pi->hw)) 20632ccc1c1cSTony Nguyen err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 20640a02944fSAnirudh Venkataramanan pcaps, NULL); 20650a02944fSAnirudh Venkataramanan else 20662ccc1c1cSTony Nguyen err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 20670a02944fSAnirudh Venkataramanan pcaps, NULL); 20682ccc1c1cSTony Nguyen if (err) { 20691a3571b5SPaul Greenwalt dev_err(ice_pf_to_dev(pf), "Get PHY capability failed.\n"); 20701a3571b5SPaul Greenwalt goto err_out; 20711a3571b5SPaul Greenwalt } 20721a3571b5SPaul Greenwalt 2073ea78ce4dSPaul Greenwalt ice_copy_phy_caps_to_cfg(pi, pcaps, &pi->phy.curr_user_phy_cfg); 2074ea78ce4dSPaul Greenwalt 2075ea78ce4dSPaul Greenwalt /* check if lenient mode is supported and enabled */ 2076dc6aaa13SAnirudh Venkataramanan if (ice_fw_supports_link_override(pi->hw) && 2077ea78ce4dSPaul Greenwalt !(pcaps->module_compliance_enforcement & 2078ea78ce4dSPaul Greenwalt ICE_AQC_MOD_ENFORCE_STRICT_MODE)) { 2079ea78ce4dSPaul Greenwalt set_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags); 2080ea78ce4dSPaul Greenwalt 20810a02944fSAnirudh Venkataramanan /* if the FW supports default PHY configuration mode, then the driver 20820a02944fSAnirudh Venkataramanan * does not have to apply link override settings. If not, 20830a02944fSAnirudh Venkataramanan * initialize user PHY configuration with link override values 2084ea78ce4dSPaul Greenwalt */ 20850a02944fSAnirudh Venkataramanan if (!ice_fw_supports_report_dflt_cfg(pi->hw) && 20860a02944fSAnirudh Venkataramanan (pf->link_dflt_override.options & ICE_LINK_OVERRIDE_EN)) { 2087ea78ce4dSPaul Greenwalt ice_init_phy_cfg_dflt_override(pi); 2088ea78ce4dSPaul Greenwalt goto out; 2089ea78ce4dSPaul Greenwalt } 2090ea78ce4dSPaul Greenwalt } 2091ea78ce4dSPaul Greenwalt 20920a02944fSAnirudh Venkataramanan /* if link default override is not enabled, set user flow control and 20930a02944fSAnirudh Venkataramanan * FEC settings based on what get_phy_caps returned 2094ea78ce4dSPaul Greenwalt */ 20951a3571b5SPaul Greenwalt phy->curr_user_fec_req = ice_caps_to_fec_mode(pcaps->caps, 20961a3571b5SPaul Greenwalt pcaps->link_fec_options); 20971a3571b5SPaul Greenwalt phy->curr_user_fc_req = ice_caps_to_fc_mode(pcaps->caps); 20981a3571b5SPaul Greenwalt 2099ea78ce4dSPaul Greenwalt out: 21001a3571b5SPaul Greenwalt phy->curr_user_speed_req = ICE_AQ_LINK_SPEED_M; 21017e408e07SAnirudh Venkataramanan set_bit(ICE_PHY_INIT_COMPLETE, pf->state); 21021a3571b5SPaul Greenwalt err_out: 21031a3571b5SPaul Greenwalt kfree(pcaps); 21041a3571b5SPaul Greenwalt return err; 21051a3571b5SPaul Greenwalt } 21061a3571b5SPaul Greenwalt 21071a3571b5SPaul Greenwalt /** 21081a3571b5SPaul Greenwalt * ice_configure_phy - configure PHY 21091a3571b5SPaul Greenwalt * @vsi: VSI of PHY 21101a3571b5SPaul Greenwalt * 21111a3571b5SPaul Greenwalt * Set the PHY configuration. If the current PHY configuration is the same as 21121a3571b5SPaul Greenwalt * the curr_user_phy_cfg, then do nothing to avoid link flap. Otherwise 21131a3571b5SPaul Greenwalt * configure the based get PHY capabilities for topology with media. 21141a3571b5SPaul Greenwalt */ 21151a3571b5SPaul Greenwalt static int ice_configure_phy(struct ice_vsi *vsi) 21161a3571b5SPaul Greenwalt { 21171a3571b5SPaul Greenwalt struct device *dev = ice_pf_to_dev(vsi->back); 2118efc1eddbSAnirudh Venkataramanan struct ice_port_info *pi = vsi->port_info; 21191a3571b5SPaul Greenwalt struct ice_aqc_get_phy_caps_data *pcaps; 21201a3571b5SPaul Greenwalt struct ice_aqc_set_phy_cfg_data *cfg; 2121efc1eddbSAnirudh Venkataramanan struct ice_phy_info *phy = &pi->phy; 2122efc1eddbSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 21232ccc1c1cSTony Nguyen int err; 21241a3571b5SPaul Greenwalt 21251a3571b5SPaul Greenwalt /* Ensure we have media as we cannot configure a medialess port */ 2126efc1eddbSAnirudh Venkataramanan if (!(phy->link_info.link_info & ICE_AQ_MEDIA_AVAILABLE)) 21271a3571b5SPaul Greenwalt return -EPERM; 21281a3571b5SPaul Greenwalt 21291a3571b5SPaul Greenwalt ice_print_topo_conflict(vsi); 21301a3571b5SPaul Greenwalt 21314fc5fbeeSAnirudh Venkataramanan if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags) && 21324fc5fbeeSAnirudh Venkataramanan phy->link_info.topo_media_conflict == ICE_AQ_LINK_TOPO_UNSUPP_MEDIA) 21331a3571b5SPaul Greenwalt return -EPERM; 21341a3571b5SPaul Greenwalt 2135efc1eddbSAnirudh Venkataramanan if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags)) 21361a3571b5SPaul Greenwalt return ice_force_phys_link_state(vsi, true); 21371a3571b5SPaul Greenwalt 21381a3571b5SPaul Greenwalt pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 21391a3571b5SPaul Greenwalt if (!pcaps) 21401a3571b5SPaul Greenwalt return -ENOMEM; 21411a3571b5SPaul Greenwalt 21421a3571b5SPaul Greenwalt /* Get current PHY config */ 21432ccc1c1cSTony Nguyen err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 21441a3571b5SPaul Greenwalt NULL); 21452ccc1c1cSTony Nguyen if (err) { 21465f87ec48STony Nguyen dev_err(dev, "Failed to get PHY configuration, VSI %d error %d\n", 21472ccc1c1cSTony Nguyen vsi->vsi_num, err); 21481a3571b5SPaul Greenwalt goto done; 21491a3571b5SPaul Greenwalt } 21501a3571b5SPaul Greenwalt 21511a3571b5SPaul Greenwalt /* If PHY enable link is configured and configuration has not changed, 21521a3571b5SPaul Greenwalt * there's nothing to do 21531a3571b5SPaul Greenwalt */ 21541a3571b5SPaul Greenwalt if (pcaps->caps & ICE_AQC_PHY_EN_LINK && 2155efc1eddbSAnirudh Venkataramanan ice_phy_caps_equals_cfg(pcaps, &phy->curr_user_phy_cfg)) 21561a3571b5SPaul Greenwalt goto done; 21571a3571b5SPaul Greenwalt 21581a3571b5SPaul Greenwalt /* Use PHY topology as baseline for configuration */ 21591a3571b5SPaul Greenwalt memset(pcaps, 0, sizeof(*pcaps)); 21600a02944fSAnirudh Venkataramanan if (ice_fw_supports_report_dflt_cfg(pi->hw)) 21612ccc1c1cSTony Nguyen err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 21620a02944fSAnirudh Venkataramanan pcaps, NULL); 21630a02944fSAnirudh Venkataramanan else 21642ccc1c1cSTony Nguyen err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 21650a02944fSAnirudh Venkataramanan pcaps, NULL); 21662ccc1c1cSTony Nguyen if (err) { 21675f87ec48STony Nguyen dev_err(dev, "Failed to get PHY caps, VSI %d error %d\n", 21682ccc1c1cSTony Nguyen vsi->vsi_num, err); 21691a3571b5SPaul Greenwalt goto done; 21701a3571b5SPaul Greenwalt } 21711a3571b5SPaul Greenwalt 21721a3571b5SPaul Greenwalt cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); 21731a3571b5SPaul Greenwalt if (!cfg) { 21741a3571b5SPaul Greenwalt err = -ENOMEM; 21751a3571b5SPaul Greenwalt goto done; 21761a3571b5SPaul Greenwalt } 21771a3571b5SPaul Greenwalt 2178ea78ce4dSPaul Greenwalt ice_copy_phy_caps_to_cfg(pi, pcaps, cfg); 21791a3571b5SPaul Greenwalt 21801a3571b5SPaul Greenwalt /* Speed - If default override pending, use curr_user_phy_cfg set in 21811a3571b5SPaul Greenwalt * ice_init_phy_user_cfg_ldo. 21821a3571b5SPaul Greenwalt */ 21837e408e07SAnirudh Venkataramanan if (test_and_clear_bit(ICE_LINK_DEFAULT_OVERRIDE_PENDING, 2184ea78ce4dSPaul Greenwalt vsi->back->state)) { 2185efc1eddbSAnirudh Venkataramanan cfg->phy_type_low = phy->curr_user_phy_cfg.phy_type_low; 2186efc1eddbSAnirudh Venkataramanan cfg->phy_type_high = phy->curr_user_phy_cfg.phy_type_high; 2187ea78ce4dSPaul Greenwalt } else { 2188ea78ce4dSPaul Greenwalt u64 phy_low = 0, phy_high = 0; 2189ea78ce4dSPaul Greenwalt 2190ea78ce4dSPaul Greenwalt ice_update_phy_type(&phy_low, &phy_high, 2191ea78ce4dSPaul Greenwalt pi->phy.curr_user_speed_req); 21921a3571b5SPaul Greenwalt cfg->phy_type_low = pcaps->phy_type_low & cpu_to_le64(phy_low); 2193ea78ce4dSPaul Greenwalt cfg->phy_type_high = pcaps->phy_type_high & 2194ea78ce4dSPaul Greenwalt cpu_to_le64(phy_high); 2195ea78ce4dSPaul Greenwalt } 21961a3571b5SPaul Greenwalt 21971a3571b5SPaul Greenwalt /* Can't provide what was requested; use PHY capabilities */ 21981a3571b5SPaul Greenwalt if (!cfg->phy_type_low && !cfg->phy_type_high) { 21991a3571b5SPaul Greenwalt cfg->phy_type_low = pcaps->phy_type_low; 22001a3571b5SPaul Greenwalt cfg->phy_type_high = pcaps->phy_type_high; 22011a3571b5SPaul Greenwalt } 22021a3571b5SPaul Greenwalt 22031a3571b5SPaul Greenwalt /* FEC */ 2204efc1eddbSAnirudh Venkataramanan ice_cfg_phy_fec(pi, cfg, phy->curr_user_fec_req); 22051a3571b5SPaul Greenwalt 22061a3571b5SPaul Greenwalt /* Can't provide what was requested; use PHY capabilities */ 22071a3571b5SPaul Greenwalt if (cfg->link_fec_opt != 22081a3571b5SPaul Greenwalt (cfg->link_fec_opt & pcaps->link_fec_options)) { 22091a3571b5SPaul Greenwalt cfg->caps |= pcaps->caps & ICE_AQC_PHY_EN_AUTO_FEC; 22101a3571b5SPaul Greenwalt cfg->link_fec_opt = pcaps->link_fec_options; 22111a3571b5SPaul Greenwalt } 22121a3571b5SPaul Greenwalt 22131a3571b5SPaul Greenwalt /* Flow Control - always supported; no need to check against 22141a3571b5SPaul Greenwalt * capabilities 22151a3571b5SPaul Greenwalt */ 2216efc1eddbSAnirudh Venkataramanan ice_cfg_phy_fc(pi, cfg, phy->curr_user_fc_req); 22171a3571b5SPaul Greenwalt 22181a3571b5SPaul Greenwalt /* Enable link and link update */ 22191a3571b5SPaul Greenwalt cfg->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT | ICE_AQ_PHY_ENA_LINK; 22201a3571b5SPaul Greenwalt 22212ccc1c1cSTony Nguyen err = ice_aq_set_phy_cfg(&pf->hw, pi, cfg, NULL); 2222c1484691STony Nguyen if (err) 22235f87ec48STony Nguyen dev_err(dev, "Failed to set phy config, VSI %d error %d\n", 22242ccc1c1cSTony Nguyen vsi->vsi_num, err); 22251a3571b5SPaul Greenwalt 22261a3571b5SPaul Greenwalt kfree(cfg); 22271a3571b5SPaul Greenwalt done: 22281a3571b5SPaul Greenwalt kfree(pcaps); 22291a3571b5SPaul Greenwalt return err; 22301a3571b5SPaul Greenwalt } 22311a3571b5SPaul Greenwalt 22321a3571b5SPaul Greenwalt /** 22331a3571b5SPaul Greenwalt * ice_check_media_subtask - Check for media 22346d599946STony Nguyen * @pf: pointer to PF struct 22351a3571b5SPaul Greenwalt * 22361a3571b5SPaul Greenwalt * If media is available, then initialize PHY user configuration if it is not 22371a3571b5SPaul Greenwalt * been, and configure the PHY if the interface is up. 22386d599946STony Nguyen */ 22396d599946STony Nguyen static void ice_check_media_subtask(struct ice_pf *pf) 22406d599946STony Nguyen { 22416d599946STony Nguyen struct ice_port_info *pi; 22426d599946STony Nguyen struct ice_vsi *vsi; 22436d599946STony Nguyen int err; 22446d599946STony Nguyen 22451a3571b5SPaul Greenwalt /* No need to check for media if it's already present */ 22461a3571b5SPaul Greenwalt if (!test_bit(ICE_FLAG_NO_MEDIA, pf->flags)) 22476d599946STony Nguyen return; 22486d599946STony Nguyen 22491a3571b5SPaul Greenwalt vsi = ice_get_main_vsi(pf); 22501a3571b5SPaul Greenwalt if (!vsi) 22516d599946STony Nguyen return; 22526d599946STony Nguyen 22536d599946STony Nguyen /* Refresh link info and check if media is present */ 22546d599946STony Nguyen pi = vsi->port_info; 22556d599946STony Nguyen err = ice_update_link_info(pi); 22566d599946STony Nguyen if (err) 22576d599946STony Nguyen return; 22586d599946STony Nguyen 225999d40752SBrett Creeley ice_check_link_cfg_err(pf, pi->phy.link_info.link_cfg_err); 2260c77849f5SAnirudh Venkataramanan 22616d599946STony Nguyen if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) { 22627e408e07SAnirudh Venkataramanan if (!test_bit(ICE_PHY_INIT_COMPLETE, pf->state)) 22631a3571b5SPaul Greenwalt ice_init_phy_user_cfg(pi); 22641a3571b5SPaul Greenwalt 22651a3571b5SPaul Greenwalt /* PHY settings are reset on media insertion, reconfigure 22661a3571b5SPaul Greenwalt * PHY to preserve settings. 22671a3571b5SPaul Greenwalt */ 2268e97fb1aeSAnirudh Venkataramanan if (test_bit(ICE_VSI_DOWN, vsi->state) && 22691a3571b5SPaul Greenwalt test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags)) 22706d599946STony Nguyen return; 22711a3571b5SPaul Greenwalt 22721a3571b5SPaul Greenwalt err = ice_configure_phy(vsi); 22731a3571b5SPaul Greenwalt if (!err) 22746d599946STony Nguyen clear_bit(ICE_FLAG_NO_MEDIA, pf->flags); 22756d599946STony Nguyen 22766d599946STony Nguyen /* A Link Status Event will be generated; the event handler 22776d599946STony Nguyen * will complete bringing the interface up 22786d599946STony Nguyen */ 22796d599946STony Nguyen } 22806d599946STony Nguyen } 22816d599946STony Nguyen 22826d599946STony Nguyen /** 2283940b61afSAnirudh Venkataramanan * ice_service_task - manage and run subtasks 2284940b61afSAnirudh Venkataramanan * @work: pointer to work_struct contained by the PF struct 2285940b61afSAnirudh Venkataramanan */ 2286940b61afSAnirudh Venkataramanan static void ice_service_task(struct work_struct *work) 2287940b61afSAnirudh Venkataramanan { 2288940b61afSAnirudh Venkataramanan struct ice_pf *pf = container_of(work, struct ice_pf, serv_task); 2289940b61afSAnirudh Venkataramanan unsigned long start_time = jiffies; 2290940b61afSAnirudh Venkataramanan 2291940b61afSAnirudh Venkataramanan /* subtasks */ 22920b28b702SAnirudh Venkataramanan 22930b28b702SAnirudh Venkataramanan /* process reset requests first */ 22940b28b702SAnirudh Venkataramanan ice_reset_subtask(pf); 22950b28b702SAnirudh Venkataramanan 22960f9d5027SAnirudh Venkataramanan /* bail if a reset/recovery cycle is pending or rebuild failed */ 22975df7e45dSDave Ertman if (ice_is_reset_in_progress(pf->state) || 22987e408e07SAnirudh Venkataramanan test_bit(ICE_SUSPENDED, pf->state) || 22997e408e07SAnirudh Venkataramanan test_bit(ICE_NEEDS_RESTART, pf->state)) { 23000b28b702SAnirudh Venkataramanan ice_service_task_complete(pf); 23010b28b702SAnirudh Venkataramanan return; 23020b28b702SAnirudh Venkataramanan } 23030b28b702SAnirudh Venkataramanan 230432d53c0aSAlexander Lobakin if (test_and_clear_bit(ICE_AUX_ERR_PENDING, pf->state)) { 230532d53c0aSAlexander Lobakin struct iidc_event *event; 230632d53c0aSAlexander Lobakin 230732d53c0aSAlexander Lobakin event = kzalloc(sizeof(*event), GFP_KERNEL); 230832d53c0aSAlexander Lobakin if (event) { 230932d53c0aSAlexander Lobakin set_bit(IIDC_EVENT_CRIT_ERR, event->type); 231032d53c0aSAlexander Lobakin /* report the entire OICR value to AUX driver */ 231132d53c0aSAlexander Lobakin swap(event->reg, pf->oicr_err_reg); 231232d53c0aSAlexander Lobakin ice_send_event_to_aux(pf, event); 231332d53c0aSAlexander Lobakin kfree(event); 231432d53c0aSAlexander Lobakin } 231532d53c0aSAlexander Lobakin } 231632d53c0aSAlexander Lobakin 2317248401cbSDave Ertman /* unplug aux dev per request, if an unplug request came in 2318248401cbSDave Ertman * while processing a plug request, this will handle it 23195cb1ebdbSIvan Vecera */ 2320248401cbSDave Ertman if (test_and_clear_bit(ICE_FLAG_UNPLUG_AUX_DEV, pf->flags)) 23215cb1ebdbSIvan Vecera ice_unplug_aux_dev(pf); 2322248401cbSDave Ertman 2323248401cbSDave Ertman /* Plug aux device per request */ 2324248401cbSDave Ertman if (test_and_clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags)) 2325248401cbSDave Ertman ice_plug_aux_dev(pf); 23265cb1ebdbSIvan Vecera 232797b01291SDave Ertman if (test_and_clear_bit(ICE_FLAG_MTU_CHANGED, pf->flags)) { 232897b01291SDave Ertman struct iidc_event *event; 232997b01291SDave Ertman 233097b01291SDave Ertman event = kzalloc(sizeof(*event), GFP_KERNEL); 233197b01291SDave Ertman if (event) { 233297b01291SDave Ertman set_bit(IIDC_EVENT_AFTER_MTU_CHANGE, event->type); 233397b01291SDave Ertman ice_send_event_to_aux(pf, event); 233497b01291SDave Ertman kfree(event); 233597b01291SDave Ertman } 233697b01291SDave Ertman } 233797b01291SDave Ertman 2338462acf6aSTony Nguyen ice_clean_adminq_subtask(pf); 23396d599946STony Nguyen ice_check_media_subtask(pf); 2340b3969fd7SSudheer Mogilappagari ice_check_for_hang_subtask(pf); 2341e94d4478SAnirudh Venkataramanan ice_sync_fltr_subtask(pf); 2342b3969fd7SSudheer Mogilappagari ice_handle_mdd_event(pf); 2343fcea6f3dSAnirudh Venkataramanan ice_watchdog_subtask(pf); 2344462acf6aSTony Nguyen 2345462acf6aSTony Nguyen if (ice_is_safe_mode(pf)) { 2346462acf6aSTony Nguyen ice_service_task_complete(pf); 2347462acf6aSTony Nguyen return; 2348462acf6aSTony Nguyen } 2349462acf6aSTony Nguyen 2350462acf6aSTony Nguyen ice_process_vflr_event(pf); 235175d2b253SAnirudh Venkataramanan ice_clean_mailboxq_subtask(pf); 23528f5ee3c4SJacob Keller ice_clean_sbq_subtask(pf); 235328bf2672SBrett Creeley ice_sync_arfs_fltrs(pf); 2354d6218317SQi Zhang ice_flush_fdir_ctx(pf); 23557e408e07SAnirudh Venkataramanan 23567e408e07SAnirudh Venkataramanan /* Clear ICE_SERVICE_SCHED flag to allow scheduling next event */ 2357940b61afSAnirudh Venkataramanan ice_service_task_complete(pf); 2358940b61afSAnirudh Venkataramanan 2359940b61afSAnirudh Venkataramanan /* If the tasks have taken longer than one service timer period 2360940b61afSAnirudh Venkataramanan * or there is more work to be done, reset the service timer to 2361940b61afSAnirudh Venkataramanan * schedule the service task now. 2362940b61afSAnirudh Venkataramanan */ 2363940b61afSAnirudh Venkataramanan if (time_after(jiffies, (start_time + pf->serv_tmr_period)) || 23647e408e07SAnirudh Venkataramanan test_bit(ICE_MDD_EVENT_PENDING, pf->state) || 23657e408e07SAnirudh Venkataramanan test_bit(ICE_VFLR_EVENT_PENDING, pf->state) || 23667e408e07SAnirudh Venkataramanan test_bit(ICE_MAILBOXQ_EVENT_PENDING, pf->state) || 23677e408e07SAnirudh Venkataramanan test_bit(ICE_FD_VF_FLUSH_CTX, pf->state) || 23688f5ee3c4SJacob Keller test_bit(ICE_SIDEBANDQ_EVENT_PENDING, pf->state) || 23697e408e07SAnirudh Venkataramanan test_bit(ICE_ADMINQ_EVENT_PENDING, pf->state)) 2370940b61afSAnirudh Venkataramanan mod_timer(&pf->serv_tmr, jiffies); 2371940b61afSAnirudh Venkataramanan } 2372940b61afSAnirudh Venkataramanan 2373837f08fdSAnirudh Venkataramanan /** 2374f31e4b6fSAnirudh Venkataramanan * ice_set_ctrlq_len - helper function to set controlq length 2375f9867df6SAnirudh Venkataramanan * @hw: pointer to the HW instance 2376f31e4b6fSAnirudh Venkataramanan */ 2377f31e4b6fSAnirudh Venkataramanan static void ice_set_ctrlq_len(struct ice_hw *hw) 2378f31e4b6fSAnirudh Venkataramanan { 2379f31e4b6fSAnirudh Venkataramanan hw->adminq.num_rq_entries = ICE_AQ_LEN; 2380f31e4b6fSAnirudh Venkataramanan hw->adminq.num_sq_entries = ICE_AQ_LEN; 2381f31e4b6fSAnirudh Venkataramanan hw->adminq.rq_buf_size = ICE_AQ_MAX_BUF_LEN; 2382f31e4b6fSAnirudh Venkataramanan hw->adminq.sq_buf_size = ICE_AQ_MAX_BUF_LEN; 2383c8a1071dSLukasz Czapnik hw->mailboxq.num_rq_entries = PF_MBX_ARQLEN_ARQLEN_M; 238411836214SBrett Creeley hw->mailboxq.num_sq_entries = ICE_MBXSQ_LEN; 238575d2b253SAnirudh Venkataramanan hw->mailboxq.rq_buf_size = ICE_MBXQ_MAX_BUF_LEN; 238675d2b253SAnirudh Venkataramanan hw->mailboxq.sq_buf_size = ICE_MBXQ_MAX_BUF_LEN; 23878f5ee3c4SJacob Keller hw->sbq.num_rq_entries = ICE_SBQ_LEN; 23888f5ee3c4SJacob Keller hw->sbq.num_sq_entries = ICE_SBQ_LEN; 23898f5ee3c4SJacob Keller hw->sbq.rq_buf_size = ICE_SBQ_MAX_BUF_LEN; 23908f5ee3c4SJacob Keller hw->sbq.sq_buf_size = ICE_SBQ_MAX_BUF_LEN; 2391f31e4b6fSAnirudh Venkataramanan } 2392f31e4b6fSAnirudh Venkataramanan 2393f31e4b6fSAnirudh Venkataramanan /** 239487324e74SHenry Tieman * ice_schedule_reset - schedule a reset 239587324e74SHenry Tieman * @pf: board private structure 239687324e74SHenry Tieman * @reset: reset being requested 239787324e74SHenry Tieman */ 239887324e74SHenry Tieman int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset) 239987324e74SHenry Tieman { 240087324e74SHenry Tieman struct device *dev = ice_pf_to_dev(pf); 240187324e74SHenry Tieman 240287324e74SHenry Tieman /* bail out if earlier reset has failed */ 24037e408e07SAnirudh Venkataramanan if (test_bit(ICE_RESET_FAILED, pf->state)) { 240487324e74SHenry Tieman dev_dbg(dev, "earlier reset has failed\n"); 240587324e74SHenry Tieman return -EIO; 240687324e74SHenry Tieman } 240787324e74SHenry Tieman /* bail if reset/recovery already in progress */ 240887324e74SHenry Tieman if (ice_is_reset_in_progress(pf->state)) { 240987324e74SHenry Tieman dev_dbg(dev, "Reset already in progress\n"); 241087324e74SHenry Tieman return -EBUSY; 241187324e74SHenry Tieman } 241287324e74SHenry Tieman 241387324e74SHenry Tieman switch (reset) { 241487324e74SHenry Tieman case ICE_RESET_PFR: 24157e408e07SAnirudh Venkataramanan set_bit(ICE_PFR_REQ, pf->state); 241687324e74SHenry Tieman break; 241787324e74SHenry Tieman case ICE_RESET_CORER: 24187e408e07SAnirudh Venkataramanan set_bit(ICE_CORER_REQ, pf->state); 241987324e74SHenry Tieman break; 242087324e74SHenry Tieman case ICE_RESET_GLOBR: 24217e408e07SAnirudh Venkataramanan set_bit(ICE_GLOBR_REQ, pf->state); 242287324e74SHenry Tieman break; 242387324e74SHenry Tieman default: 242487324e74SHenry Tieman return -EINVAL; 242587324e74SHenry Tieman } 242687324e74SHenry Tieman 242787324e74SHenry Tieman ice_service_task_schedule(pf); 242887324e74SHenry Tieman return 0; 242987324e74SHenry Tieman } 243087324e74SHenry Tieman 243187324e74SHenry Tieman /** 2432cdedef59SAnirudh Venkataramanan * ice_irq_affinity_notify - Callback for affinity changes 2433cdedef59SAnirudh Venkataramanan * @notify: context as to what irq was changed 2434cdedef59SAnirudh Venkataramanan * @mask: the new affinity mask 2435cdedef59SAnirudh Venkataramanan * 2436cdedef59SAnirudh Venkataramanan * This is a callback function used by the irq_set_affinity_notifier function 2437cdedef59SAnirudh Venkataramanan * so that we may register to receive changes to the irq affinity masks. 2438cdedef59SAnirudh Venkataramanan */ 2439c8b7abddSBruce Allan static void 2440c8b7abddSBruce Allan ice_irq_affinity_notify(struct irq_affinity_notify *notify, 2441cdedef59SAnirudh Venkataramanan const cpumask_t *mask) 2442cdedef59SAnirudh Venkataramanan { 2443cdedef59SAnirudh Venkataramanan struct ice_q_vector *q_vector = 2444cdedef59SAnirudh Venkataramanan container_of(notify, struct ice_q_vector, affinity_notify); 2445cdedef59SAnirudh Venkataramanan 2446cdedef59SAnirudh Venkataramanan cpumask_copy(&q_vector->affinity_mask, mask); 2447cdedef59SAnirudh Venkataramanan } 2448cdedef59SAnirudh Venkataramanan 2449cdedef59SAnirudh Venkataramanan /** 2450cdedef59SAnirudh Venkataramanan * ice_irq_affinity_release - Callback for affinity notifier release 2451cdedef59SAnirudh Venkataramanan * @ref: internal core kernel usage 2452cdedef59SAnirudh Venkataramanan * 2453cdedef59SAnirudh Venkataramanan * This is a callback function used by the irq_set_affinity_notifier function 2454cdedef59SAnirudh Venkataramanan * to inform the current notification subscriber that they will no longer 2455cdedef59SAnirudh Venkataramanan * receive notifications. 2456cdedef59SAnirudh Venkataramanan */ 2457cdedef59SAnirudh Venkataramanan static void ice_irq_affinity_release(struct kref __always_unused *ref) {} 2458cdedef59SAnirudh Venkataramanan 2459cdedef59SAnirudh Venkataramanan /** 2460cdedef59SAnirudh Venkataramanan * ice_vsi_ena_irq - Enable IRQ for the given VSI 2461cdedef59SAnirudh Venkataramanan * @vsi: the VSI being configured 2462cdedef59SAnirudh Venkataramanan */ 2463cdedef59SAnirudh Venkataramanan static int ice_vsi_ena_irq(struct ice_vsi *vsi) 2464cdedef59SAnirudh Venkataramanan { 2465ba880734SBrett Creeley struct ice_hw *hw = &vsi->back->hw; 2466cdedef59SAnirudh Venkataramanan int i; 2467cdedef59SAnirudh Venkataramanan 24680c2561c8SBrett Creeley ice_for_each_q_vector(vsi, i) 2469cdedef59SAnirudh Venkataramanan ice_irq_dynamic_ena(hw, vsi, vsi->q_vectors[i]); 2470cdedef59SAnirudh Venkataramanan 2471cdedef59SAnirudh Venkataramanan ice_flush(hw); 2472cdedef59SAnirudh Venkataramanan return 0; 2473cdedef59SAnirudh Venkataramanan } 2474cdedef59SAnirudh Venkataramanan 2475cdedef59SAnirudh Venkataramanan /** 2476cdedef59SAnirudh Venkataramanan * ice_vsi_req_irq_msix - get MSI-X vectors from the OS for the VSI 2477cdedef59SAnirudh Venkataramanan * @vsi: the VSI being configured 2478cdedef59SAnirudh Venkataramanan * @basename: name for the vector 2479cdedef59SAnirudh Venkataramanan */ 2480cdedef59SAnirudh Venkataramanan static int ice_vsi_req_irq_msix(struct ice_vsi *vsi, char *basename) 2481cdedef59SAnirudh Venkataramanan { 2482cdedef59SAnirudh Venkataramanan int q_vectors = vsi->num_q_vectors; 2483cdedef59SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 24844015d11eSBrett Creeley struct device *dev; 2485cdedef59SAnirudh Venkataramanan int rx_int_idx = 0; 2486cdedef59SAnirudh Venkataramanan int tx_int_idx = 0; 2487cdedef59SAnirudh Venkataramanan int vector, err; 2488cdedef59SAnirudh Venkataramanan int irq_num; 2489cdedef59SAnirudh Venkataramanan 24904015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 2491cdedef59SAnirudh Venkataramanan for (vector = 0; vector < q_vectors; vector++) { 2492cdedef59SAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[vector]; 2493cdedef59SAnirudh Venkataramanan 24944aad5335SPiotr Raczynski irq_num = q_vector->irq.virq; 2495cdedef59SAnirudh Venkataramanan 2496e72bba21SMaciej Fijalkowski if (q_vector->tx.tx_ring && q_vector->rx.rx_ring) { 2497cdedef59SAnirudh Venkataramanan snprintf(q_vector->name, sizeof(q_vector->name) - 1, 2498cdedef59SAnirudh Venkataramanan "%s-%s-%d", basename, "TxRx", rx_int_idx++); 2499cdedef59SAnirudh Venkataramanan tx_int_idx++; 2500e72bba21SMaciej Fijalkowski } else if (q_vector->rx.rx_ring) { 2501cdedef59SAnirudh Venkataramanan snprintf(q_vector->name, sizeof(q_vector->name) - 1, 2502cdedef59SAnirudh Venkataramanan "%s-%s-%d", basename, "rx", rx_int_idx++); 2503e72bba21SMaciej Fijalkowski } else if (q_vector->tx.tx_ring) { 2504cdedef59SAnirudh Venkataramanan snprintf(q_vector->name, sizeof(q_vector->name) - 1, 2505cdedef59SAnirudh Venkataramanan "%s-%s-%d", basename, "tx", tx_int_idx++); 2506cdedef59SAnirudh Venkataramanan } else { 2507cdedef59SAnirudh Venkataramanan /* skip this unused q_vector */ 2508cdedef59SAnirudh Venkataramanan continue; 2509cdedef59SAnirudh Venkataramanan } 2510b03d519dSJacob Keller if (vsi->type == ICE_VSI_CTRL && vsi->vf) 2511da62c5ffSQi Zhang err = devm_request_irq(dev, irq_num, vsi->irq_handler, 2512da62c5ffSQi Zhang IRQF_SHARED, q_vector->name, 2513da62c5ffSQi Zhang q_vector); 2514da62c5ffSQi Zhang else 2515da62c5ffSQi Zhang err = devm_request_irq(dev, irq_num, vsi->irq_handler, 2516da62c5ffSQi Zhang 0, q_vector->name, q_vector); 2517cdedef59SAnirudh Venkataramanan if (err) { 251819cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "MSIX request_irq failed, error: %d\n", 251919cce2c6SAnirudh Venkataramanan err); 2520cdedef59SAnirudh Venkataramanan goto free_q_irqs; 2521cdedef59SAnirudh Venkataramanan } 2522cdedef59SAnirudh Venkataramanan 2523cdedef59SAnirudh Venkataramanan /* register for affinity change notifications */ 252428bf2672SBrett Creeley if (!IS_ENABLED(CONFIG_RFS_ACCEL)) { 252528bf2672SBrett Creeley struct irq_affinity_notify *affinity_notify; 252628bf2672SBrett Creeley 252728bf2672SBrett Creeley affinity_notify = &q_vector->affinity_notify; 252828bf2672SBrett Creeley affinity_notify->notify = ice_irq_affinity_notify; 252928bf2672SBrett Creeley affinity_notify->release = ice_irq_affinity_release; 253028bf2672SBrett Creeley irq_set_affinity_notifier(irq_num, affinity_notify); 253128bf2672SBrett Creeley } 2532cdedef59SAnirudh Venkataramanan 2533cdedef59SAnirudh Venkataramanan /* assign the mask for this irq */ 2534cdedef59SAnirudh Venkataramanan irq_set_affinity_hint(irq_num, &q_vector->affinity_mask); 2535cdedef59SAnirudh Venkataramanan } 2536cdedef59SAnirudh Venkataramanan 2537d7442f51SAlexander Lobakin err = ice_set_cpu_rx_rmap(vsi); 2538d7442f51SAlexander Lobakin if (err) { 2539d7442f51SAlexander Lobakin netdev_err(vsi->netdev, "Failed to setup CPU RMAP on VSI %u: %pe\n", 2540d7442f51SAlexander Lobakin vsi->vsi_num, ERR_PTR(err)); 2541d7442f51SAlexander Lobakin goto free_q_irqs; 2542d7442f51SAlexander Lobakin } 2543d7442f51SAlexander Lobakin 2544cdedef59SAnirudh Venkataramanan vsi->irqs_ready = true; 2545cdedef59SAnirudh Venkataramanan return 0; 2546cdedef59SAnirudh Venkataramanan 2547cdedef59SAnirudh Venkataramanan free_q_irqs: 25484aad5335SPiotr Raczynski while (vector--) { 25494aad5335SPiotr Raczynski irq_num = vsi->q_vectors[vector]->irq.virq; 255028bf2672SBrett Creeley if (!IS_ENABLED(CONFIG_RFS_ACCEL)) 2551cdedef59SAnirudh Venkataramanan irq_set_affinity_notifier(irq_num, NULL); 2552cdedef59SAnirudh Venkataramanan irq_set_affinity_hint(irq_num, NULL); 25534015d11eSBrett Creeley devm_free_irq(dev, irq_num, &vsi->q_vectors[vector]); 2554cdedef59SAnirudh Venkataramanan } 2555cdedef59SAnirudh Venkataramanan return err; 2556cdedef59SAnirudh Venkataramanan } 2557cdedef59SAnirudh Venkataramanan 2558cdedef59SAnirudh Venkataramanan /** 2559efc2214bSMaciej Fijalkowski * ice_xdp_alloc_setup_rings - Allocate and setup Tx rings for XDP 2560efc2214bSMaciej Fijalkowski * @vsi: VSI to setup Tx rings used by XDP 2561efc2214bSMaciej Fijalkowski * 2562efc2214bSMaciej Fijalkowski * Return 0 on success and negative value on error 2563efc2214bSMaciej Fijalkowski */ 2564efc2214bSMaciej Fijalkowski static int ice_xdp_alloc_setup_rings(struct ice_vsi *vsi) 2565efc2214bSMaciej Fijalkowski { 25669a946843SAnirudh Venkataramanan struct device *dev = ice_pf_to_dev(vsi->back); 25679610bd98SMaciej Fijalkowski struct ice_tx_desc *tx_desc; 25689610bd98SMaciej Fijalkowski int i, j; 2569efc2214bSMaciej Fijalkowski 25702faf63b6SMaciej Fijalkowski ice_for_each_xdp_txq(vsi, i) { 2571efc2214bSMaciej Fijalkowski u16 xdp_q_idx = vsi->alloc_txq + i; 2572288ecf49SBenjamin Mikailenko struct ice_ring_stats *ring_stats; 2573e72bba21SMaciej Fijalkowski struct ice_tx_ring *xdp_ring; 2574efc2214bSMaciej Fijalkowski 2575efc2214bSMaciej Fijalkowski xdp_ring = kzalloc(sizeof(*xdp_ring), GFP_KERNEL); 2576efc2214bSMaciej Fijalkowski if (!xdp_ring) 2577efc2214bSMaciej Fijalkowski goto free_xdp_rings; 2578efc2214bSMaciej Fijalkowski 2579288ecf49SBenjamin Mikailenko ring_stats = kzalloc(sizeof(*ring_stats), GFP_KERNEL); 2580288ecf49SBenjamin Mikailenko if (!ring_stats) { 2581288ecf49SBenjamin Mikailenko ice_free_tx_ring(xdp_ring); 2582288ecf49SBenjamin Mikailenko goto free_xdp_rings; 2583288ecf49SBenjamin Mikailenko } 2584288ecf49SBenjamin Mikailenko 2585288ecf49SBenjamin Mikailenko xdp_ring->ring_stats = ring_stats; 2586efc2214bSMaciej Fijalkowski xdp_ring->q_index = xdp_q_idx; 2587efc2214bSMaciej Fijalkowski xdp_ring->reg_idx = vsi->txq_map[xdp_q_idx]; 2588efc2214bSMaciej Fijalkowski xdp_ring->vsi = vsi; 2589efc2214bSMaciej Fijalkowski xdp_ring->netdev = NULL; 2590efc2214bSMaciej Fijalkowski xdp_ring->dev = dev; 2591efc2214bSMaciej Fijalkowski xdp_ring->count = vsi->num_tx_desc; 2592b1d95cc2SCiara Loftus WRITE_ONCE(vsi->xdp_rings[i], xdp_ring); 2593efc2214bSMaciej Fijalkowski if (ice_setup_tx_ring(xdp_ring)) 2594efc2214bSMaciej Fijalkowski goto free_xdp_rings; 2595efc2214bSMaciej Fijalkowski ice_set_ring_xdp(xdp_ring); 259622bf877eSMaciej Fijalkowski spin_lock_init(&xdp_ring->tx_lock); 25979610bd98SMaciej Fijalkowski for (j = 0; j < xdp_ring->count; j++) { 25989610bd98SMaciej Fijalkowski tx_desc = ICE_TX_DESC(xdp_ring, j); 2599e19778e6SMaciej Fijalkowski tx_desc->cmd_type_offset_bsz = 0; 26009610bd98SMaciej Fijalkowski } 2601efc2214bSMaciej Fijalkowski } 2602efc2214bSMaciej Fijalkowski 2603efc2214bSMaciej Fijalkowski return 0; 2604efc2214bSMaciej Fijalkowski 2605efc2214bSMaciej Fijalkowski free_xdp_rings: 2606288ecf49SBenjamin Mikailenko for (; i >= 0; i--) { 2607288ecf49SBenjamin Mikailenko if (vsi->xdp_rings[i] && vsi->xdp_rings[i]->desc) { 2608288ecf49SBenjamin Mikailenko kfree_rcu(vsi->xdp_rings[i]->ring_stats, rcu); 2609288ecf49SBenjamin Mikailenko vsi->xdp_rings[i]->ring_stats = NULL; 2610efc2214bSMaciej Fijalkowski ice_free_tx_ring(vsi->xdp_rings[i]); 2611288ecf49SBenjamin Mikailenko } 2612288ecf49SBenjamin Mikailenko } 2613efc2214bSMaciej Fijalkowski return -ENOMEM; 2614efc2214bSMaciej Fijalkowski } 2615efc2214bSMaciej Fijalkowski 2616efc2214bSMaciej Fijalkowski /** 2617efc2214bSMaciej Fijalkowski * ice_vsi_assign_bpf_prog - set or clear bpf prog pointer on VSI 2618efc2214bSMaciej Fijalkowski * @vsi: VSI to set the bpf prog on 2619efc2214bSMaciej Fijalkowski * @prog: the bpf prog pointer 2620efc2214bSMaciej Fijalkowski */ 2621efc2214bSMaciej Fijalkowski static void ice_vsi_assign_bpf_prog(struct ice_vsi *vsi, struct bpf_prog *prog) 2622efc2214bSMaciej Fijalkowski { 2623efc2214bSMaciej Fijalkowski struct bpf_prog *old_prog; 2624efc2214bSMaciej Fijalkowski int i; 2625efc2214bSMaciej Fijalkowski 2626efc2214bSMaciej Fijalkowski old_prog = xchg(&vsi->xdp_prog, prog); 2627efc2214bSMaciej Fijalkowski ice_for_each_rxq(vsi, i) 2628efc2214bSMaciej Fijalkowski WRITE_ONCE(vsi->rx_rings[i]->xdp_prog, vsi->xdp_prog); 262946974842SMaciej Fijalkowski 263046974842SMaciej Fijalkowski if (old_prog) 263146974842SMaciej Fijalkowski bpf_prog_put(old_prog); 2632efc2214bSMaciej Fijalkowski } 2633efc2214bSMaciej Fijalkowski 2634efc2214bSMaciej Fijalkowski /** 2635efc2214bSMaciej Fijalkowski * ice_prepare_xdp_rings - Allocate, configure and setup Tx rings for XDP 2636efc2214bSMaciej Fijalkowski * @vsi: VSI to bring up Tx rings used by XDP 2637efc2214bSMaciej Fijalkowski * @prog: bpf program that will be assigned to VSI 2638efc2214bSMaciej Fijalkowski * 2639efc2214bSMaciej Fijalkowski * Return 0 on success and negative value on error 2640efc2214bSMaciej Fijalkowski */ 2641efc2214bSMaciej Fijalkowski int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog) 2642efc2214bSMaciej Fijalkowski { 2643efc2214bSMaciej Fijalkowski u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 2644efc2214bSMaciej Fijalkowski int xdp_rings_rem = vsi->num_xdp_txq; 2645efc2214bSMaciej Fijalkowski struct ice_pf *pf = vsi->back; 2646efc2214bSMaciej Fijalkowski struct ice_qs_cfg xdp_qs_cfg = { 2647efc2214bSMaciej Fijalkowski .qs_mutex = &pf->avail_q_mutex, 2648efc2214bSMaciej Fijalkowski .pf_map = pf->avail_txqs, 2649efc2214bSMaciej Fijalkowski .pf_map_size = pf->max_pf_txqs, 2650efc2214bSMaciej Fijalkowski .q_count = vsi->num_xdp_txq, 2651efc2214bSMaciej Fijalkowski .scatter_count = ICE_MAX_SCATTER_TXQS, 2652efc2214bSMaciej Fijalkowski .vsi_map = vsi->txq_map, 2653efc2214bSMaciej Fijalkowski .vsi_map_offset = vsi->alloc_txq, 2654efc2214bSMaciej Fijalkowski .mapping_mode = ICE_VSI_MAP_CONTIG 2655efc2214bSMaciej Fijalkowski }; 26564015d11eSBrett Creeley struct device *dev; 2657efc2214bSMaciej Fijalkowski int i, v_idx; 26585518ac2aSTony Nguyen int status; 2659efc2214bSMaciej Fijalkowski 26604015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 26614015d11eSBrett Creeley vsi->xdp_rings = devm_kcalloc(dev, vsi->num_xdp_txq, 2662efc2214bSMaciej Fijalkowski sizeof(*vsi->xdp_rings), GFP_KERNEL); 2663efc2214bSMaciej Fijalkowski if (!vsi->xdp_rings) 2664efc2214bSMaciej Fijalkowski return -ENOMEM; 2665efc2214bSMaciej Fijalkowski 2666efc2214bSMaciej Fijalkowski vsi->xdp_mapping_mode = xdp_qs_cfg.mapping_mode; 2667efc2214bSMaciej Fijalkowski if (__ice_vsi_get_qs(&xdp_qs_cfg)) 2668efc2214bSMaciej Fijalkowski goto err_map_xdp; 2669efc2214bSMaciej Fijalkowski 267022bf877eSMaciej Fijalkowski if (static_key_enabled(&ice_xdp_locking_key)) 267122bf877eSMaciej Fijalkowski netdev_warn(vsi->netdev, 267222bf877eSMaciej Fijalkowski "Could not allocate one XDP Tx ring per CPU, XDP_TX/XDP_REDIRECT actions will be slower\n"); 267322bf877eSMaciej Fijalkowski 2674efc2214bSMaciej Fijalkowski if (ice_xdp_alloc_setup_rings(vsi)) 2675efc2214bSMaciej Fijalkowski goto clear_xdp_rings; 2676efc2214bSMaciej Fijalkowski 2677efc2214bSMaciej Fijalkowski /* follow the logic from ice_vsi_map_rings_to_vectors */ 2678efc2214bSMaciej Fijalkowski ice_for_each_q_vector(vsi, v_idx) { 2679efc2214bSMaciej Fijalkowski struct ice_q_vector *q_vector = vsi->q_vectors[v_idx]; 2680efc2214bSMaciej Fijalkowski int xdp_rings_per_v, q_id, q_base; 2681efc2214bSMaciej Fijalkowski 2682efc2214bSMaciej Fijalkowski xdp_rings_per_v = DIV_ROUND_UP(xdp_rings_rem, 2683efc2214bSMaciej Fijalkowski vsi->num_q_vectors - v_idx); 2684efc2214bSMaciej Fijalkowski q_base = vsi->num_xdp_txq - xdp_rings_rem; 2685efc2214bSMaciej Fijalkowski 2686efc2214bSMaciej Fijalkowski for (q_id = q_base; q_id < (q_base + xdp_rings_per_v); q_id++) { 2687e72bba21SMaciej Fijalkowski struct ice_tx_ring *xdp_ring = vsi->xdp_rings[q_id]; 2688efc2214bSMaciej Fijalkowski 2689efc2214bSMaciej Fijalkowski xdp_ring->q_vector = q_vector; 2690e72bba21SMaciej Fijalkowski xdp_ring->next = q_vector->tx.tx_ring; 2691e72bba21SMaciej Fijalkowski q_vector->tx.tx_ring = xdp_ring; 2692efc2214bSMaciej Fijalkowski } 2693efc2214bSMaciej Fijalkowski xdp_rings_rem -= xdp_rings_per_v; 2694efc2214bSMaciej Fijalkowski } 2695efc2214bSMaciej Fijalkowski 26969ead7e74SMaciej Fijalkowski ice_for_each_rxq(vsi, i) { 26979ead7e74SMaciej Fijalkowski if (static_key_enabled(&ice_xdp_locking_key)) { 26989ead7e74SMaciej Fijalkowski vsi->rx_rings[i]->xdp_ring = vsi->xdp_rings[i % vsi->num_xdp_txq]; 26999ead7e74SMaciej Fijalkowski } else { 27009ead7e74SMaciej Fijalkowski struct ice_q_vector *q_vector = vsi->rx_rings[i]->q_vector; 27019ead7e74SMaciej Fijalkowski struct ice_tx_ring *ring; 27029ead7e74SMaciej Fijalkowski 27039ead7e74SMaciej Fijalkowski ice_for_each_tx_ring(ring, q_vector->tx) { 27049ead7e74SMaciej Fijalkowski if (ice_ring_is_xdp(ring)) { 27059ead7e74SMaciej Fijalkowski vsi->rx_rings[i]->xdp_ring = ring; 27069ead7e74SMaciej Fijalkowski break; 27079ead7e74SMaciej Fijalkowski } 27089ead7e74SMaciej Fijalkowski } 27099ead7e74SMaciej Fijalkowski } 27109ead7e74SMaciej Fijalkowski ice_tx_xsk_pool(vsi, i); 27119ead7e74SMaciej Fijalkowski } 27129ead7e74SMaciej Fijalkowski 2713efc2214bSMaciej Fijalkowski /* omit the scheduler update if in reset path; XDP queues will be 2714efc2214bSMaciej Fijalkowski * taken into account at the end of ice_vsi_rebuild, where 2715efc2214bSMaciej Fijalkowski * ice_cfg_vsi_lan is being called 2716efc2214bSMaciej Fijalkowski */ 2717efc2214bSMaciej Fijalkowski if (ice_is_reset_in_progress(pf->state)) 2718efc2214bSMaciej Fijalkowski return 0; 2719efc2214bSMaciej Fijalkowski 2720efc2214bSMaciej Fijalkowski /* tell the Tx scheduler that right now we have 2721efc2214bSMaciej Fijalkowski * additional queues 2722efc2214bSMaciej Fijalkowski */ 2723efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->tc_cfg.numtc; i++) 2724efc2214bSMaciej Fijalkowski max_txqs[i] = vsi->num_txq + vsi->num_xdp_txq; 2725efc2214bSMaciej Fijalkowski 2726efc2214bSMaciej Fijalkowski status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 2727efc2214bSMaciej Fijalkowski max_txqs); 2728efc2214bSMaciej Fijalkowski if (status) { 27295f87ec48STony Nguyen dev_err(dev, "Failed VSI LAN queue config for XDP, error: %d\n", 27305f87ec48STony Nguyen status); 2731efc2214bSMaciej Fijalkowski goto clear_xdp_rings; 2732efc2214bSMaciej Fijalkowski } 2733f65ee535SMarta Plantykow 2734f65ee535SMarta Plantykow /* assign the prog only when it's not already present on VSI; 2735f65ee535SMarta Plantykow * this flow is a subject of both ethtool -L and ndo_bpf flows; 2736f65ee535SMarta Plantykow * VSI rebuild that happens under ethtool -L can expose us to 2737f65ee535SMarta Plantykow * the bpf_prog refcount issues as we would be swapping same 2738f65ee535SMarta Plantykow * bpf_prog pointers from vsi->xdp_prog and calling bpf_prog_put 2739f65ee535SMarta Plantykow * on it as it would be treated as an 'old_prog'; for ndo_bpf 2740f65ee535SMarta Plantykow * this is not harmful as dev_xdp_install bumps the refcount 2741f65ee535SMarta Plantykow * before calling the op exposed by the driver; 2742f65ee535SMarta Plantykow */ 2743f65ee535SMarta Plantykow if (!ice_is_xdp_ena_vsi(vsi)) 2744efc2214bSMaciej Fijalkowski ice_vsi_assign_bpf_prog(vsi, prog); 2745efc2214bSMaciej Fijalkowski 2746efc2214bSMaciej Fijalkowski return 0; 2747efc2214bSMaciej Fijalkowski clear_xdp_rings: 27482faf63b6SMaciej Fijalkowski ice_for_each_xdp_txq(vsi, i) 2749efc2214bSMaciej Fijalkowski if (vsi->xdp_rings[i]) { 2750efc2214bSMaciej Fijalkowski kfree_rcu(vsi->xdp_rings[i], rcu); 2751efc2214bSMaciej Fijalkowski vsi->xdp_rings[i] = NULL; 2752efc2214bSMaciej Fijalkowski } 2753efc2214bSMaciej Fijalkowski 2754efc2214bSMaciej Fijalkowski err_map_xdp: 2755efc2214bSMaciej Fijalkowski mutex_lock(&pf->avail_q_mutex); 27562faf63b6SMaciej Fijalkowski ice_for_each_xdp_txq(vsi, i) { 2757efc2214bSMaciej Fijalkowski clear_bit(vsi->txq_map[i + vsi->alloc_txq], pf->avail_txqs); 2758efc2214bSMaciej Fijalkowski vsi->txq_map[i + vsi->alloc_txq] = ICE_INVAL_Q_INDEX; 2759efc2214bSMaciej Fijalkowski } 2760efc2214bSMaciej Fijalkowski mutex_unlock(&pf->avail_q_mutex); 2761efc2214bSMaciej Fijalkowski 27624015d11eSBrett Creeley devm_kfree(dev, vsi->xdp_rings); 2763efc2214bSMaciej Fijalkowski return -ENOMEM; 2764efc2214bSMaciej Fijalkowski } 2765efc2214bSMaciej Fijalkowski 2766efc2214bSMaciej Fijalkowski /** 2767efc2214bSMaciej Fijalkowski * ice_destroy_xdp_rings - undo the configuration made by ice_prepare_xdp_rings 2768efc2214bSMaciej Fijalkowski * @vsi: VSI to remove XDP rings 2769efc2214bSMaciej Fijalkowski * 2770efc2214bSMaciej Fijalkowski * Detach XDP rings from irq vectors, clean up the PF bitmap and free 2771efc2214bSMaciej Fijalkowski * resources 2772efc2214bSMaciej Fijalkowski */ 2773efc2214bSMaciej Fijalkowski int ice_destroy_xdp_rings(struct ice_vsi *vsi) 2774efc2214bSMaciej Fijalkowski { 2775efc2214bSMaciej Fijalkowski u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 2776efc2214bSMaciej Fijalkowski struct ice_pf *pf = vsi->back; 2777efc2214bSMaciej Fijalkowski int i, v_idx; 2778efc2214bSMaciej Fijalkowski 2779efc2214bSMaciej Fijalkowski /* q_vectors are freed in reset path so there's no point in detaching 2780ac382a09SBruce Allan * rings; in case of rebuild being triggered not from reset bits 2781efc2214bSMaciej Fijalkowski * in pf->state won't be set, so additionally check first q_vector 2782efc2214bSMaciej Fijalkowski * against NULL 2783efc2214bSMaciej Fijalkowski */ 2784efc2214bSMaciej Fijalkowski if (ice_is_reset_in_progress(pf->state) || !vsi->q_vectors[0]) 2785efc2214bSMaciej Fijalkowski goto free_qmap; 2786efc2214bSMaciej Fijalkowski 2787efc2214bSMaciej Fijalkowski ice_for_each_q_vector(vsi, v_idx) { 2788efc2214bSMaciej Fijalkowski struct ice_q_vector *q_vector = vsi->q_vectors[v_idx]; 2789e72bba21SMaciej Fijalkowski struct ice_tx_ring *ring; 2790efc2214bSMaciej Fijalkowski 2791e72bba21SMaciej Fijalkowski ice_for_each_tx_ring(ring, q_vector->tx) 2792efc2214bSMaciej Fijalkowski if (!ring->tx_buf || !ice_ring_is_xdp(ring)) 2793efc2214bSMaciej Fijalkowski break; 2794efc2214bSMaciej Fijalkowski 2795efc2214bSMaciej Fijalkowski /* restore the value of last node prior to XDP setup */ 2796e72bba21SMaciej Fijalkowski q_vector->tx.tx_ring = ring; 2797efc2214bSMaciej Fijalkowski } 2798efc2214bSMaciej Fijalkowski 2799efc2214bSMaciej Fijalkowski free_qmap: 2800efc2214bSMaciej Fijalkowski mutex_lock(&pf->avail_q_mutex); 28012faf63b6SMaciej Fijalkowski ice_for_each_xdp_txq(vsi, i) { 2802efc2214bSMaciej Fijalkowski clear_bit(vsi->txq_map[i + vsi->alloc_txq], pf->avail_txqs); 2803efc2214bSMaciej Fijalkowski vsi->txq_map[i + vsi->alloc_txq] = ICE_INVAL_Q_INDEX; 2804efc2214bSMaciej Fijalkowski } 2805efc2214bSMaciej Fijalkowski mutex_unlock(&pf->avail_q_mutex); 2806efc2214bSMaciej Fijalkowski 28072faf63b6SMaciej Fijalkowski ice_for_each_xdp_txq(vsi, i) 2808efc2214bSMaciej Fijalkowski if (vsi->xdp_rings[i]) { 2809f9124c68SMaciej Fijalkowski if (vsi->xdp_rings[i]->desc) { 2810f9124c68SMaciej Fijalkowski synchronize_rcu(); 2811efc2214bSMaciej Fijalkowski ice_free_tx_ring(vsi->xdp_rings[i]); 2812f9124c68SMaciej Fijalkowski } 2813288ecf49SBenjamin Mikailenko kfree_rcu(vsi->xdp_rings[i]->ring_stats, rcu); 2814288ecf49SBenjamin Mikailenko vsi->xdp_rings[i]->ring_stats = NULL; 2815efc2214bSMaciej Fijalkowski kfree_rcu(vsi->xdp_rings[i], rcu); 2816efc2214bSMaciej Fijalkowski vsi->xdp_rings[i] = NULL; 2817efc2214bSMaciej Fijalkowski } 2818efc2214bSMaciej Fijalkowski 28194015d11eSBrett Creeley devm_kfree(ice_pf_to_dev(pf), vsi->xdp_rings); 2820efc2214bSMaciej Fijalkowski vsi->xdp_rings = NULL; 2821efc2214bSMaciej Fijalkowski 282222bf877eSMaciej Fijalkowski if (static_key_enabled(&ice_xdp_locking_key)) 282322bf877eSMaciej Fijalkowski static_branch_dec(&ice_xdp_locking_key); 282422bf877eSMaciej Fijalkowski 2825efc2214bSMaciej Fijalkowski if (ice_is_reset_in_progress(pf->state) || !vsi->q_vectors[0]) 2826efc2214bSMaciej Fijalkowski return 0; 2827efc2214bSMaciej Fijalkowski 2828efc2214bSMaciej Fijalkowski ice_vsi_assign_bpf_prog(vsi, NULL); 2829efc2214bSMaciej Fijalkowski 2830efc2214bSMaciej Fijalkowski /* notify Tx scheduler that we destroyed XDP queues and bring 2831efc2214bSMaciej Fijalkowski * back the old number of child nodes 2832efc2214bSMaciej Fijalkowski */ 2833efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->tc_cfg.numtc; i++) 2834efc2214bSMaciej Fijalkowski max_txqs[i] = vsi->num_txq; 2835efc2214bSMaciej Fijalkowski 2836c8f135c6SMarta Plantykow /* change number of XDP Tx queues to 0 */ 2837c8f135c6SMarta Plantykow vsi->num_xdp_txq = 0; 2838c8f135c6SMarta Plantykow 2839efc2214bSMaciej Fijalkowski return ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 2840efc2214bSMaciej Fijalkowski max_txqs); 2841efc2214bSMaciej Fijalkowski } 2842efc2214bSMaciej Fijalkowski 2843efc2214bSMaciej Fijalkowski /** 2844c7a21904SMichal Swiatkowski * ice_vsi_rx_napi_schedule - Schedule napi on RX queues from VSI 2845c7a21904SMichal Swiatkowski * @vsi: VSI to schedule napi on 2846c7a21904SMichal Swiatkowski */ 2847c7a21904SMichal Swiatkowski static void ice_vsi_rx_napi_schedule(struct ice_vsi *vsi) 2848c7a21904SMichal Swiatkowski { 2849c7a21904SMichal Swiatkowski int i; 2850c7a21904SMichal Swiatkowski 2851c7a21904SMichal Swiatkowski ice_for_each_rxq(vsi, i) { 2852e72bba21SMaciej Fijalkowski struct ice_rx_ring *rx_ring = vsi->rx_rings[i]; 2853c7a21904SMichal Swiatkowski 2854c7a21904SMichal Swiatkowski if (rx_ring->xsk_pool) 2855c7a21904SMichal Swiatkowski napi_schedule(&rx_ring->q_vector->napi); 2856c7a21904SMichal Swiatkowski } 2857c7a21904SMichal Swiatkowski } 2858c7a21904SMichal Swiatkowski 2859c7a21904SMichal Swiatkowski /** 286022bf877eSMaciej Fijalkowski * ice_vsi_determine_xdp_res - figure out how many Tx qs can XDP have 286122bf877eSMaciej Fijalkowski * @vsi: VSI to determine the count of XDP Tx qs 286222bf877eSMaciej Fijalkowski * 286322bf877eSMaciej Fijalkowski * returns 0 if Tx qs count is higher than at least half of CPU count, 286422bf877eSMaciej Fijalkowski * -ENOMEM otherwise 286522bf877eSMaciej Fijalkowski */ 286622bf877eSMaciej Fijalkowski int ice_vsi_determine_xdp_res(struct ice_vsi *vsi) 286722bf877eSMaciej Fijalkowski { 286822bf877eSMaciej Fijalkowski u16 avail = ice_get_avail_txq_count(vsi->back); 286922bf877eSMaciej Fijalkowski u16 cpus = num_possible_cpus(); 287022bf877eSMaciej Fijalkowski 287122bf877eSMaciej Fijalkowski if (avail < cpus / 2) 287222bf877eSMaciej Fijalkowski return -ENOMEM; 287322bf877eSMaciej Fijalkowski 287422bf877eSMaciej Fijalkowski vsi->num_xdp_txq = min_t(u16, avail, cpus); 287522bf877eSMaciej Fijalkowski 287622bf877eSMaciej Fijalkowski if (vsi->num_xdp_txq < cpus) 287722bf877eSMaciej Fijalkowski static_branch_inc(&ice_xdp_locking_key); 287822bf877eSMaciej Fijalkowski 287922bf877eSMaciej Fijalkowski return 0; 288022bf877eSMaciej Fijalkowski } 288122bf877eSMaciej Fijalkowski 288222bf877eSMaciej Fijalkowski /** 288360bc72b3SMaciej Fijalkowski * ice_max_xdp_frame_size - returns the maximum allowed frame size for XDP 288460bc72b3SMaciej Fijalkowski * @vsi: Pointer to VSI structure 288560bc72b3SMaciej Fijalkowski */ 288660bc72b3SMaciej Fijalkowski static int ice_max_xdp_frame_size(struct ice_vsi *vsi) 288760bc72b3SMaciej Fijalkowski { 288860bc72b3SMaciej Fijalkowski if (test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags)) 288960bc72b3SMaciej Fijalkowski return ICE_RXBUF_1664; 289060bc72b3SMaciej Fijalkowski else 289160bc72b3SMaciej Fijalkowski return ICE_RXBUF_3072; 289260bc72b3SMaciej Fijalkowski } 289360bc72b3SMaciej Fijalkowski 289460bc72b3SMaciej Fijalkowski /** 2895efc2214bSMaciej Fijalkowski * ice_xdp_setup_prog - Add or remove XDP eBPF program 2896efc2214bSMaciej Fijalkowski * @vsi: VSI to setup XDP for 2897efc2214bSMaciej Fijalkowski * @prog: XDP program 2898efc2214bSMaciej Fijalkowski * @extack: netlink extended ack 2899efc2214bSMaciej Fijalkowski */ 2900efc2214bSMaciej Fijalkowski static int 2901efc2214bSMaciej Fijalkowski ice_xdp_setup_prog(struct ice_vsi *vsi, struct bpf_prog *prog, 2902efc2214bSMaciej Fijalkowski struct netlink_ext_ack *extack) 2903efc2214bSMaciej Fijalkowski { 290460bc72b3SMaciej Fijalkowski unsigned int frame_size = vsi->netdev->mtu + ICE_ETH_PKT_HDR_PAD; 2905efc2214bSMaciej Fijalkowski bool if_running = netif_running(vsi->netdev); 2906efc2214bSMaciej Fijalkowski int ret = 0, xdp_ring_err = 0; 2907efc2214bSMaciej Fijalkowski 29082fba7dc5SMaciej Fijalkowski if (prog && !prog->aux->xdp_has_frags) { 290960bc72b3SMaciej Fijalkowski if (frame_size > ice_max_xdp_frame_size(vsi)) { 29102fba7dc5SMaciej Fijalkowski NL_SET_ERR_MSG_MOD(extack, 29112fba7dc5SMaciej Fijalkowski "MTU is too large for linear frames and XDP prog does not support frags"); 2912efc2214bSMaciej Fijalkowski return -EOPNOTSUPP; 2913efc2214bSMaciej Fijalkowski } 29142fba7dc5SMaciej Fijalkowski } 2915efc2214bSMaciej Fijalkowski 291646974842SMaciej Fijalkowski /* hot swap progs and avoid toggling link */ 291746974842SMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi) == !!prog) { 291846974842SMaciej Fijalkowski ice_vsi_assign_bpf_prog(vsi, prog); 291946974842SMaciej Fijalkowski return 0; 292046974842SMaciej Fijalkowski } 292146974842SMaciej Fijalkowski 2922efc2214bSMaciej Fijalkowski /* need to stop netdev while setting up the program for Rx rings */ 2923e97fb1aeSAnirudh Venkataramanan if (if_running && !test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 2924efc2214bSMaciej Fijalkowski ret = ice_down(vsi); 2925efc2214bSMaciej Fijalkowski if (ret) { 2926af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(extack, "Preparing device for XDP attach failed"); 2927efc2214bSMaciej Fijalkowski return ret; 2928efc2214bSMaciej Fijalkowski } 2929efc2214bSMaciej Fijalkowski } 2930efc2214bSMaciej Fijalkowski 2931efc2214bSMaciej Fijalkowski if (!ice_is_xdp_ena_vsi(vsi) && prog) { 293222bf877eSMaciej Fijalkowski xdp_ring_err = ice_vsi_determine_xdp_res(vsi); 293322bf877eSMaciej Fijalkowski if (xdp_ring_err) { 293422bf877eSMaciej Fijalkowski NL_SET_ERR_MSG_MOD(extack, "Not enough Tx resources for XDP"); 293522bf877eSMaciej Fijalkowski } else { 2936efc2214bSMaciej Fijalkowski xdp_ring_err = ice_prepare_xdp_rings(vsi, prog); 2937efc2214bSMaciej Fijalkowski if (xdp_ring_err) 2938af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(extack, "Setting up XDP Tx resources failed"); 293922bf877eSMaciej Fijalkowski } 2940b6a4103cSLorenzo Bianconi xdp_features_set_redirect_target(vsi->netdev, true); 29417e753eb6SPrzemyslaw Patynowski /* reallocate Rx queues that are used for zero-copy */ 29427e753eb6SPrzemyslaw Patynowski xdp_ring_err = ice_realloc_zc_buf(vsi, true); 29437e753eb6SPrzemyslaw Patynowski if (xdp_ring_err) 29447e753eb6SPrzemyslaw Patynowski NL_SET_ERR_MSG_MOD(extack, "Setting up XDP Rx resources failed"); 2945efc2214bSMaciej Fijalkowski } else if (ice_is_xdp_ena_vsi(vsi) && !prog) { 294666c0e13aSMarek Majtyka xdp_features_clear_redirect_target(vsi->netdev); 2947efc2214bSMaciej Fijalkowski xdp_ring_err = ice_destroy_xdp_rings(vsi); 2948efc2214bSMaciej Fijalkowski if (xdp_ring_err) 2949af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(extack, "Freeing XDP Tx resources failed"); 29507e753eb6SPrzemyslaw Patynowski /* reallocate Rx queues that were used for zero-copy */ 29517e753eb6SPrzemyslaw Patynowski xdp_ring_err = ice_realloc_zc_buf(vsi, false); 29527e753eb6SPrzemyslaw Patynowski if (xdp_ring_err) 29537e753eb6SPrzemyslaw Patynowski NL_SET_ERR_MSG_MOD(extack, "Freeing XDP Rx resources failed"); 2954efc2214bSMaciej Fijalkowski } 2955efc2214bSMaciej Fijalkowski 2956efc2214bSMaciej Fijalkowski if (if_running) 2957efc2214bSMaciej Fijalkowski ret = ice_up(vsi); 2958efc2214bSMaciej Fijalkowski 2959c7a21904SMichal Swiatkowski if (!ret && prog) 2960c7a21904SMichal Swiatkowski ice_vsi_rx_napi_schedule(vsi); 29612d4238f5SKrzysztof Kazimierczak 2962efc2214bSMaciej Fijalkowski return (ret || xdp_ring_err) ? -ENOMEM : 0; 2963efc2214bSMaciej Fijalkowski } 2964efc2214bSMaciej Fijalkowski 2965efc2214bSMaciej Fijalkowski /** 2966ebc5399eSMaciej Fijalkowski * ice_xdp_safe_mode - XDP handler for safe mode 2967ebc5399eSMaciej Fijalkowski * @dev: netdevice 2968ebc5399eSMaciej Fijalkowski * @xdp: XDP command 2969ebc5399eSMaciej Fijalkowski */ 2970ebc5399eSMaciej Fijalkowski static int ice_xdp_safe_mode(struct net_device __always_unused *dev, 2971ebc5399eSMaciej Fijalkowski struct netdev_bpf *xdp) 2972ebc5399eSMaciej Fijalkowski { 2973ebc5399eSMaciej Fijalkowski NL_SET_ERR_MSG_MOD(xdp->extack, 2974ebc5399eSMaciej Fijalkowski "Please provide working DDP firmware package in order to use XDP\n" 2975ebc5399eSMaciej Fijalkowski "Refer to Documentation/networking/device_drivers/ethernet/intel/ice.rst"); 2976ebc5399eSMaciej Fijalkowski return -EOPNOTSUPP; 2977ebc5399eSMaciej Fijalkowski } 2978ebc5399eSMaciej Fijalkowski 2979ebc5399eSMaciej Fijalkowski /** 2980efc2214bSMaciej Fijalkowski * ice_xdp - implements XDP handler 2981efc2214bSMaciej Fijalkowski * @dev: netdevice 2982efc2214bSMaciej Fijalkowski * @xdp: XDP command 2983efc2214bSMaciej Fijalkowski */ 2984efc2214bSMaciej Fijalkowski static int ice_xdp(struct net_device *dev, struct netdev_bpf *xdp) 2985efc2214bSMaciej Fijalkowski { 2986efc2214bSMaciej Fijalkowski struct ice_netdev_priv *np = netdev_priv(dev); 2987efc2214bSMaciej Fijalkowski struct ice_vsi *vsi = np->vsi; 2988efc2214bSMaciej Fijalkowski 2989efc2214bSMaciej Fijalkowski if (vsi->type != ICE_VSI_PF) { 2990af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(xdp->extack, "XDP can be loaded only on PF VSI"); 2991efc2214bSMaciej Fijalkowski return -EINVAL; 2992efc2214bSMaciej Fijalkowski } 2993efc2214bSMaciej Fijalkowski 2994efc2214bSMaciej Fijalkowski switch (xdp->command) { 2995efc2214bSMaciej Fijalkowski case XDP_SETUP_PROG: 2996efc2214bSMaciej Fijalkowski return ice_xdp_setup_prog(vsi, xdp->prog, xdp->extack); 29971742b3d5SMagnus Karlsson case XDP_SETUP_XSK_POOL: 29981742b3d5SMagnus Karlsson return ice_xsk_pool_setup(vsi, xdp->xsk.pool, 29992d4238f5SKrzysztof Kazimierczak xdp->xsk.queue_id); 3000efc2214bSMaciej Fijalkowski default: 3001efc2214bSMaciej Fijalkowski return -EINVAL; 3002efc2214bSMaciej Fijalkowski } 3003efc2214bSMaciej Fijalkowski } 3004efc2214bSMaciej Fijalkowski 3005efc2214bSMaciej Fijalkowski /** 3006940b61afSAnirudh Venkataramanan * ice_ena_misc_vector - enable the non-queue interrupts 3007940b61afSAnirudh Venkataramanan * @pf: board private structure 3008940b61afSAnirudh Venkataramanan */ 3009940b61afSAnirudh Venkataramanan static void ice_ena_misc_vector(struct ice_pf *pf) 3010940b61afSAnirudh Venkataramanan { 3011940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 3012940b61afSAnirudh Venkataramanan u32 val; 3013940b61afSAnirudh Venkataramanan 30149d5c5a52SPaul Greenwalt /* Disable anti-spoof detection interrupt to prevent spurious event 30159d5c5a52SPaul Greenwalt * interrupts during a function reset. Anti-spoof functionally is 30169d5c5a52SPaul Greenwalt * still supported. 30179d5c5a52SPaul Greenwalt */ 30189d5c5a52SPaul Greenwalt val = rd32(hw, GL_MDCK_TX_TDPU); 30199d5c5a52SPaul Greenwalt val |= GL_MDCK_TX_TDPU_RCU_ANTISPOOF_ITR_DIS_M; 30209d5c5a52SPaul Greenwalt wr32(hw, GL_MDCK_TX_TDPU, val); 30219d5c5a52SPaul Greenwalt 3022940b61afSAnirudh Venkataramanan /* clear things first */ 3023940b61afSAnirudh Venkataramanan wr32(hw, PFINT_OICR_ENA, 0); /* disable all */ 3024940b61afSAnirudh Venkataramanan rd32(hw, PFINT_OICR); /* read to clear */ 3025940b61afSAnirudh Venkataramanan 30263bcd7fa3SBruce Allan val = (PFINT_OICR_ECC_ERR_M | 3027940b61afSAnirudh Venkataramanan PFINT_OICR_MAL_DETECT_M | 3028940b61afSAnirudh Venkataramanan PFINT_OICR_GRST_M | 3029940b61afSAnirudh Venkataramanan PFINT_OICR_PCI_EXCEPTION_M | 3030007676b4SAnirudh Venkataramanan PFINT_OICR_VFLR_M | 30313bcd7fa3SBruce Allan PFINT_OICR_HMC_ERR_M | 3032348048e7SDave Ertman PFINT_OICR_PE_PUSH_M | 30333bcd7fa3SBruce Allan PFINT_OICR_PE_CRITERR_M); 3034940b61afSAnirudh Venkataramanan 3035940b61afSAnirudh Venkataramanan wr32(hw, PFINT_OICR_ENA, val); 3036940b61afSAnirudh Venkataramanan 3037940b61afSAnirudh Venkataramanan /* SW_ITR_IDX = 0, but don't change INTENA */ 30384aad5335SPiotr Raczynski wr32(hw, GLINT_DYN_CTL(pf->oicr_irq.index), 3039940b61afSAnirudh Venkataramanan GLINT_DYN_CTL_SW_ITR_INDX_M | GLINT_DYN_CTL_INTENA_MSK_M); 3040940b61afSAnirudh Venkataramanan } 3041940b61afSAnirudh Venkataramanan 3042940b61afSAnirudh Venkataramanan /** 3043940b61afSAnirudh Venkataramanan * ice_misc_intr - misc interrupt handler 3044940b61afSAnirudh Venkataramanan * @irq: interrupt number 3045940b61afSAnirudh Venkataramanan * @data: pointer to a q_vector 3046940b61afSAnirudh Venkataramanan */ 3047940b61afSAnirudh Venkataramanan static irqreturn_t ice_misc_intr(int __always_unused irq, void *data) 3048940b61afSAnirudh Venkataramanan { 3049940b61afSAnirudh Venkataramanan struct ice_pf *pf = (struct ice_pf *)data; 3050940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 30514015d11eSBrett Creeley struct device *dev; 3052940b61afSAnirudh Venkataramanan u32 oicr, ena_mask; 3053940b61afSAnirudh Venkataramanan 30544015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 30557e408e07SAnirudh Venkataramanan set_bit(ICE_ADMINQ_EVENT_PENDING, pf->state); 30567e408e07SAnirudh Venkataramanan set_bit(ICE_MAILBOXQ_EVENT_PENDING, pf->state); 30578f5ee3c4SJacob Keller set_bit(ICE_SIDEBANDQ_EVENT_PENDING, pf->state); 3058940b61afSAnirudh Venkataramanan 3059940b61afSAnirudh Venkataramanan oicr = rd32(hw, PFINT_OICR); 3060940b61afSAnirudh Venkataramanan ena_mask = rd32(hw, PFINT_OICR_ENA); 3061940b61afSAnirudh Venkataramanan 30620e674aebSAnirudh Venkataramanan if (oicr & PFINT_OICR_SWINT_M) { 30630e674aebSAnirudh Venkataramanan ena_mask &= ~PFINT_OICR_SWINT_M; 30640e674aebSAnirudh Venkataramanan pf->sw_int_count++; 30650e674aebSAnirudh Venkataramanan } 30660e674aebSAnirudh Venkataramanan 3067b3969fd7SSudheer Mogilappagari if (oicr & PFINT_OICR_MAL_DETECT_M) { 3068b3969fd7SSudheer Mogilappagari ena_mask &= ~PFINT_OICR_MAL_DETECT_M; 30697e408e07SAnirudh Venkataramanan set_bit(ICE_MDD_EVENT_PENDING, pf->state); 3070b3969fd7SSudheer Mogilappagari } 3071007676b4SAnirudh Venkataramanan if (oicr & PFINT_OICR_VFLR_M) { 3072f844d521SBrett Creeley /* disable any further VFLR event notifications */ 30737e408e07SAnirudh Venkataramanan if (test_bit(ICE_VF_RESETS_DISABLED, pf->state)) { 3074f844d521SBrett Creeley u32 reg = rd32(hw, PFINT_OICR_ENA); 3075f844d521SBrett Creeley 3076f844d521SBrett Creeley reg &= ~PFINT_OICR_VFLR_M; 3077f844d521SBrett Creeley wr32(hw, PFINT_OICR_ENA, reg); 3078f844d521SBrett Creeley } else { 3079007676b4SAnirudh Venkataramanan ena_mask &= ~PFINT_OICR_VFLR_M; 30807e408e07SAnirudh Venkataramanan set_bit(ICE_VFLR_EVENT_PENDING, pf->state); 3081007676b4SAnirudh Venkataramanan } 3082f844d521SBrett Creeley } 3083b3969fd7SSudheer Mogilappagari 30840b28b702SAnirudh Venkataramanan if (oicr & PFINT_OICR_GRST_M) { 30850b28b702SAnirudh Venkataramanan u32 reset; 3086b3969fd7SSudheer Mogilappagari 30870b28b702SAnirudh Venkataramanan /* we have a reset warning */ 30880b28b702SAnirudh Venkataramanan ena_mask &= ~PFINT_OICR_GRST_M; 30890b28b702SAnirudh Venkataramanan reset = (rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_RESET_TYPE_M) >> 30900b28b702SAnirudh Venkataramanan GLGEN_RSTAT_RESET_TYPE_S; 30910b28b702SAnirudh Venkataramanan 30920b28b702SAnirudh Venkataramanan if (reset == ICE_RESET_CORER) 30930b28b702SAnirudh Venkataramanan pf->corer_count++; 30940b28b702SAnirudh Venkataramanan else if (reset == ICE_RESET_GLOBR) 30950b28b702SAnirudh Venkataramanan pf->globr_count++; 3096ca4929b6SBrett Creeley else if (reset == ICE_RESET_EMPR) 30970b28b702SAnirudh Venkataramanan pf->empr_count++; 3098ca4929b6SBrett Creeley else 30994015d11eSBrett Creeley dev_dbg(dev, "Invalid reset type %d\n", reset); 31000b28b702SAnirudh Venkataramanan 31010b28b702SAnirudh Venkataramanan /* If a reset cycle isn't already in progress, we set a bit in 31020b28b702SAnirudh Venkataramanan * pf->state so that the service task can start a reset/rebuild. 31030b28b702SAnirudh Venkataramanan */ 31047e408e07SAnirudh Venkataramanan if (!test_and_set_bit(ICE_RESET_OICR_RECV, pf->state)) { 31050b28b702SAnirudh Venkataramanan if (reset == ICE_RESET_CORER) 31067e408e07SAnirudh Venkataramanan set_bit(ICE_CORER_RECV, pf->state); 31070b28b702SAnirudh Venkataramanan else if (reset == ICE_RESET_GLOBR) 31087e408e07SAnirudh Venkataramanan set_bit(ICE_GLOBR_RECV, pf->state); 31090b28b702SAnirudh Venkataramanan else 31107e408e07SAnirudh Venkataramanan set_bit(ICE_EMPR_RECV, pf->state); 31110b28b702SAnirudh Venkataramanan 3112fd2a9817SAnirudh Venkataramanan /* There are couple of different bits at play here. 3113fd2a9817SAnirudh Venkataramanan * hw->reset_ongoing indicates whether the hardware is 3114fd2a9817SAnirudh Venkataramanan * in reset. This is set to true when a reset interrupt 3115fd2a9817SAnirudh Venkataramanan * is received and set back to false after the driver 3116fd2a9817SAnirudh Venkataramanan * has determined that the hardware is out of reset. 3117fd2a9817SAnirudh Venkataramanan * 31187e408e07SAnirudh Venkataramanan * ICE_RESET_OICR_RECV in pf->state indicates 3119fd2a9817SAnirudh Venkataramanan * that a post reset rebuild is required before the 3120fd2a9817SAnirudh Venkataramanan * driver is operational again. This is set above. 3121fd2a9817SAnirudh Venkataramanan * 3122fd2a9817SAnirudh Venkataramanan * As this is the start of the reset/rebuild cycle, set 3123fd2a9817SAnirudh Venkataramanan * both to indicate that. 3124fd2a9817SAnirudh Venkataramanan */ 3125fd2a9817SAnirudh Venkataramanan hw->reset_ongoing = true; 31260b28b702SAnirudh Venkataramanan } 31270b28b702SAnirudh Venkataramanan } 31280b28b702SAnirudh Venkataramanan 3129ea9b847cSJacob Keller if (oicr & PFINT_OICR_TSYN_TX_M) { 3130ea9b847cSJacob Keller ena_mask &= ~PFINT_OICR_TSYN_TX_M; 3131d578e618SKarol Kolacinski if (!hw->reset_ongoing) 31326e8b2c88SKarol Kolacinski set_bit(ICE_MISC_THREAD_TX_TSTAMP, pf->misc_thread); 31336e8b2c88SKarol Kolacinski } 3134ea9b847cSJacob Keller 3135172db5f9SMaciej Machnikowski if (oicr & PFINT_OICR_TSYN_EVNT_M) { 3136172db5f9SMaciej Machnikowski u8 tmr_idx = hw->func_caps.ts_func_info.tmr_index_owned; 3137172db5f9SMaciej Machnikowski u32 gltsyn_stat = rd32(hw, GLTSYN_STAT(tmr_idx)); 3138172db5f9SMaciej Machnikowski 31396e8b2c88SKarol Kolacinski ena_mask &= ~PFINT_OICR_TSYN_EVNT_M; 31406e8b2c88SKarol Kolacinski 31416e8b2c88SKarol Kolacinski if (hw->func_caps.ts_func_info.src_tmr_owned) { 31426e8b2c88SKarol Kolacinski /* Save EVENTs from GLTSYN register */ 31436e8b2c88SKarol Kolacinski pf->ptp.ext_ts_irq |= gltsyn_stat & 31446e8b2c88SKarol Kolacinski (GLTSYN_STAT_EVENT0_M | 3145172db5f9SMaciej Machnikowski GLTSYN_STAT_EVENT1_M | 3146172db5f9SMaciej Machnikowski GLTSYN_STAT_EVENT2_M); 31476e8b2c88SKarol Kolacinski 31486e8b2c88SKarol Kolacinski set_bit(ICE_MISC_THREAD_EXTTS_EVENT, pf->misc_thread); 31496e8b2c88SKarol Kolacinski } 3150172db5f9SMaciej Machnikowski } 3151172db5f9SMaciej Machnikowski 3152348048e7SDave Ertman #define ICE_AUX_CRIT_ERR (PFINT_OICR_PE_CRITERR_M | PFINT_OICR_HMC_ERR_M | PFINT_OICR_PE_PUSH_M) 3153348048e7SDave Ertman if (oicr & ICE_AUX_CRIT_ERR) { 315432d53c0aSAlexander Lobakin pf->oicr_err_reg |= oicr; 315532d53c0aSAlexander Lobakin set_bit(ICE_AUX_ERR_PENDING, pf->state); 3156348048e7SDave Ertman ena_mask &= ~ICE_AUX_CRIT_ERR; 3157940b61afSAnirudh Venkataramanan } 3158940b61afSAnirudh Venkataramanan 31598d7189d2SMd Fahad Iqbal Polash /* Report any remaining unexpected interrupts */ 3160940b61afSAnirudh Venkataramanan oicr &= ena_mask; 3161940b61afSAnirudh Venkataramanan if (oicr) { 31624015d11eSBrett Creeley dev_dbg(dev, "unhandled interrupt oicr=0x%08x\n", oicr); 3163940b61afSAnirudh Venkataramanan /* If a critical error is pending there is no choice but to 3164940b61afSAnirudh Venkataramanan * reset the device. 3165940b61afSAnirudh Venkataramanan */ 3166348048e7SDave Ertman if (oicr & (PFINT_OICR_PCI_EXCEPTION_M | 31670b28b702SAnirudh Venkataramanan PFINT_OICR_ECC_ERR_M)) { 31687e408e07SAnirudh Venkataramanan set_bit(ICE_PFR_REQ, pf->state); 31690b28b702SAnirudh Venkataramanan } 3170940b61afSAnirudh Venkataramanan } 3171940b61afSAnirudh Venkataramanan 3172d578e618SKarol Kolacinski return IRQ_WAKE_THREAD; 3173940b61afSAnirudh Venkataramanan } 3174940b61afSAnirudh Venkataramanan 3175940b61afSAnirudh Venkataramanan /** 31761229b339SKarol Kolacinski * ice_misc_intr_thread_fn - misc interrupt thread function 31771229b339SKarol Kolacinski * @irq: interrupt number 31781229b339SKarol Kolacinski * @data: pointer to a q_vector 31791229b339SKarol Kolacinski */ 31801229b339SKarol Kolacinski static irqreturn_t ice_misc_intr_thread_fn(int __always_unused irq, void *data) 31811229b339SKarol Kolacinski { 31821229b339SKarol Kolacinski struct ice_pf *pf = data; 31830ec38df3SJacob Keller struct ice_hw *hw; 31840ec38df3SJacob Keller 31850ec38df3SJacob Keller hw = &pf->hw; 31861229b339SKarol Kolacinski 318730f15874SJacob Keller if (ice_is_reset_in_progress(pf->state)) 318830f15874SJacob Keller return IRQ_HANDLED; 31891229b339SKarol Kolacinski 3190d578e618SKarol Kolacinski ice_service_task_schedule(pf); 3191d578e618SKarol Kolacinski 31926e8b2c88SKarol Kolacinski if (test_and_clear_bit(ICE_MISC_THREAD_EXTTS_EVENT, pf->misc_thread)) 31936e8b2c88SKarol Kolacinski ice_ptp_extts_event(pf); 31946e8b2c88SKarol Kolacinski 31956e8b2c88SKarol Kolacinski if (test_and_clear_bit(ICE_MISC_THREAD_TX_TSTAMP, pf->misc_thread)) { 31969a8648ccSJacob Keller /* Process outstanding Tx timestamps. If there is more work, 31979a8648ccSJacob Keller * re-arm the interrupt to trigger again. 31989a8648ccSJacob Keller */ 31999a8648ccSJacob Keller if (ice_ptp_process_ts(pf) == ICE_TX_TSTAMP_WORK_PENDING) { 32009a8648ccSJacob Keller wr32(hw, PFINT_OICR, PFINT_OICR_TSYN_TX_M); 32019a8648ccSJacob Keller ice_flush(hw); 32029a8648ccSJacob Keller } 32036e8b2c88SKarol Kolacinski } 320430f15874SJacob Keller 32050ec38df3SJacob Keller ice_irq_dynamic_ena(hw, NULL, NULL); 32060ec38df3SJacob Keller 320730f15874SJacob Keller return IRQ_HANDLED; 32081229b339SKarol Kolacinski } 32091229b339SKarol Kolacinski 32101229b339SKarol Kolacinski /** 32110e04e8e1SBrett Creeley * ice_dis_ctrlq_interrupts - disable control queue interrupts 32120e04e8e1SBrett Creeley * @hw: pointer to HW structure 32130e04e8e1SBrett Creeley */ 32140e04e8e1SBrett Creeley static void ice_dis_ctrlq_interrupts(struct ice_hw *hw) 32150e04e8e1SBrett Creeley { 32160e04e8e1SBrett Creeley /* disable Admin queue Interrupt causes */ 32170e04e8e1SBrett Creeley wr32(hw, PFINT_FW_CTL, 32180e04e8e1SBrett Creeley rd32(hw, PFINT_FW_CTL) & ~PFINT_FW_CTL_CAUSE_ENA_M); 32190e04e8e1SBrett Creeley 32200e04e8e1SBrett Creeley /* disable Mailbox queue Interrupt causes */ 32210e04e8e1SBrett Creeley wr32(hw, PFINT_MBX_CTL, 32220e04e8e1SBrett Creeley rd32(hw, PFINT_MBX_CTL) & ~PFINT_MBX_CTL_CAUSE_ENA_M); 32230e04e8e1SBrett Creeley 32248f5ee3c4SJacob Keller wr32(hw, PFINT_SB_CTL, 32258f5ee3c4SJacob Keller rd32(hw, PFINT_SB_CTL) & ~PFINT_SB_CTL_CAUSE_ENA_M); 32268f5ee3c4SJacob Keller 32270e04e8e1SBrett Creeley /* disable Control queue Interrupt causes */ 32280e04e8e1SBrett Creeley wr32(hw, PFINT_OICR_CTL, 32290e04e8e1SBrett Creeley rd32(hw, PFINT_OICR_CTL) & ~PFINT_OICR_CTL_CAUSE_ENA_M); 32300e04e8e1SBrett Creeley 32310e04e8e1SBrett Creeley ice_flush(hw); 32320e04e8e1SBrett Creeley } 32330e04e8e1SBrett Creeley 32340e04e8e1SBrett Creeley /** 3235940b61afSAnirudh Venkataramanan * ice_free_irq_msix_misc - Unroll misc vector setup 3236940b61afSAnirudh Venkataramanan * @pf: board private structure 3237940b61afSAnirudh Venkataramanan */ 3238940b61afSAnirudh Venkataramanan static void ice_free_irq_msix_misc(struct ice_pf *pf) 3239940b61afSAnirudh Venkataramanan { 32404aad5335SPiotr Raczynski int misc_irq_num = pf->oicr_irq.virq; 32410e04e8e1SBrett Creeley struct ice_hw *hw = &pf->hw; 32420e04e8e1SBrett Creeley 32430e04e8e1SBrett Creeley ice_dis_ctrlq_interrupts(hw); 32440e04e8e1SBrett Creeley 3245940b61afSAnirudh Venkataramanan /* disable OICR interrupt */ 32460e04e8e1SBrett Creeley wr32(hw, PFINT_OICR_ENA, 0); 32470e04e8e1SBrett Creeley ice_flush(hw); 3248940b61afSAnirudh Venkataramanan 3249afe87cfeSPiotr Raczynski synchronize_irq(misc_irq_num); 3250afe87cfeSPiotr Raczynski devm_free_irq(ice_pf_to_dev(pf), misc_irq_num, pf); 3251940b61afSAnirudh Venkataramanan 32524aad5335SPiotr Raczynski ice_free_irq(pf, pf->oicr_irq); 3253940b61afSAnirudh Venkataramanan } 3254940b61afSAnirudh Venkataramanan 3255940b61afSAnirudh Venkataramanan /** 32560e04e8e1SBrett Creeley * ice_ena_ctrlq_interrupts - enable control queue interrupts 32570e04e8e1SBrett Creeley * @hw: pointer to HW structure 3258b07833a0SBrett Creeley * @reg_idx: HW vector index to associate the control queue interrupts with 32590e04e8e1SBrett Creeley */ 3260b07833a0SBrett Creeley static void ice_ena_ctrlq_interrupts(struct ice_hw *hw, u16 reg_idx) 32610e04e8e1SBrett Creeley { 32620e04e8e1SBrett Creeley u32 val; 32630e04e8e1SBrett Creeley 3264b07833a0SBrett Creeley val = ((reg_idx & PFINT_OICR_CTL_MSIX_INDX_M) | 32650e04e8e1SBrett Creeley PFINT_OICR_CTL_CAUSE_ENA_M); 32660e04e8e1SBrett Creeley wr32(hw, PFINT_OICR_CTL, val); 32670e04e8e1SBrett Creeley 32680e04e8e1SBrett Creeley /* enable Admin queue Interrupt causes */ 3269b07833a0SBrett Creeley val = ((reg_idx & PFINT_FW_CTL_MSIX_INDX_M) | 32700e04e8e1SBrett Creeley PFINT_FW_CTL_CAUSE_ENA_M); 32710e04e8e1SBrett Creeley wr32(hw, PFINT_FW_CTL, val); 32720e04e8e1SBrett Creeley 32730e04e8e1SBrett Creeley /* enable Mailbox queue Interrupt causes */ 3274b07833a0SBrett Creeley val = ((reg_idx & PFINT_MBX_CTL_MSIX_INDX_M) | 32750e04e8e1SBrett Creeley PFINT_MBX_CTL_CAUSE_ENA_M); 32760e04e8e1SBrett Creeley wr32(hw, PFINT_MBX_CTL, val); 32770e04e8e1SBrett Creeley 32788f5ee3c4SJacob Keller /* This enables Sideband queue Interrupt causes */ 32798f5ee3c4SJacob Keller val = ((reg_idx & PFINT_SB_CTL_MSIX_INDX_M) | 32808f5ee3c4SJacob Keller PFINT_SB_CTL_CAUSE_ENA_M); 32818f5ee3c4SJacob Keller wr32(hw, PFINT_SB_CTL, val); 32828f5ee3c4SJacob Keller 32830e04e8e1SBrett Creeley ice_flush(hw); 32840e04e8e1SBrett Creeley } 32850e04e8e1SBrett Creeley 32860e04e8e1SBrett Creeley /** 3287940b61afSAnirudh Venkataramanan * ice_req_irq_msix_misc - Setup the misc vector to handle non queue events 3288940b61afSAnirudh Venkataramanan * @pf: board private structure 3289940b61afSAnirudh Venkataramanan * 3290940b61afSAnirudh Venkataramanan * This sets up the handler for MSIX 0, which is used to manage the 3291940b61afSAnirudh Venkataramanan * non-queue interrupts, e.g. AdminQ and errors. This is not used 3292940b61afSAnirudh Venkataramanan * when in MSI or Legacy interrupt mode. 3293940b61afSAnirudh Venkataramanan */ 3294940b61afSAnirudh Venkataramanan static int ice_req_irq_msix_misc(struct ice_pf *pf) 3295940b61afSAnirudh Venkataramanan { 32964015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 3297940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 32984aad5335SPiotr Raczynski struct msi_map oicr_irq; 32994aad5335SPiotr Raczynski int err = 0; 3300940b61afSAnirudh Venkataramanan 3301940b61afSAnirudh Venkataramanan if (!pf->int_name[0]) 3302940b61afSAnirudh Venkataramanan snprintf(pf->int_name, sizeof(pf->int_name) - 1, "%s-%s:misc", 33034015d11eSBrett Creeley dev_driver_string(dev), dev_name(dev)); 3304940b61afSAnirudh Venkataramanan 33050b28b702SAnirudh Venkataramanan /* Do not request IRQ but do enable OICR interrupt since settings are 33060b28b702SAnirudh Venkataramanan * lost during reset. Note that this function is called only during 33070b28b702SAnirudh Venkataramanan * rebuild path and not while reset is in progress. 33080b28b702SAnirudh Venkataramanan */ 33095df7e45dSDave Ertman if (ice_is_reset_in_progress(pf->state)) 33100b28b702SAnirudh Venkataramanan goto skip_req_irq; 33110b28b702SAnirudh Venkataramanan 3312cbe66bfeSBrett Creeley /* reserve one vector in irq_tracker for misc interrupts */ 3313011670ccSPiotr Raczynski oicr_irq = ice_alloc_irq(pf, false); 33144aad5335SPiotr Raczynski if (oicr_irq.index < 0) 33154aad5335SPiotr Raczynski return oicr_irq.index; 3316940b61afSAnirudh Venkataramanan 33174aad5335SPiotr Raczynski pf->oicr_irq = oicr_irq; 33184aad5335SPiotr Raczynski err = devm_request_threaded_irq(dev, pf->oicr_irq.virq, ice_misc_intr, 33194aad5335SPiotr Raczynski ice_misc_intr_thread_fn, 0, 33204aad5335SPiotr Raczynski pf->int_name, pf); 3321940b61afSAnirudh Venkataramanan if (err) { 33221229b339SKarol Kolacinski dev_err(dev, "devm_request_threaded_irq for %s failed: %d\n", 3323940b61afSAnirudh Venkataramanan pf->int_name, err); 33244aad5335SPiotr Raczynski ice_free_irq(pf, pf->oicr_irq); 3325940b61afSAnirudh Venkataramanan return err; 3326940b61afSAnirudh Venkataramanan } 3327940b61afSAnirudh Venkataramanan 33280b28b702SAnirudh Venkataramanan skip_req_irq: 3329940b61afSAnirudh Venkataramanan ice_ena_misc_vector(pf); 3330940b61afSAnirudh Venkataramanan 33314aad5335SPiotr Raczynski ice_ena_ctrlq_interrupts(hw, pf->oicr_irq.index); 33324aad5335SPiotr Raczynski wr32(hw, GLINT_ITR(ICE_RX_ITR, pf->oicr_irq.index), 333363f545edSBrett Creeley ITR_REG_ALIGN(ICE_ITR_8K) >> ICE_ITR_GRAN_S); 3334940b61afSAnirudh Venkataramanan 3335940b61afSAnirudh Venkataramanan ice_flush(hw); 3336cdedef59SAnirudh Venkataramanan ice_irq_dynamic_ena(hw, NULL, NULL); 3337940b61afSAnirudh Venkataramanan 3338940b61afSAnirudh Venkataramanan return 0; 3339940b61afSAnirudh Venkataramanan } 3340940b61afSAnirudh Venkataramanan 3341940b61afSAnirudh Venkataramanan /** 3342df0f8479SAnirudh Venkataramanan * ice_napi_add - register NAPI handler for the VSI 3343df0f8479SAnirudh Venkataramanan * @vsi: VSI for which NAPI handler is to be registered 3344df0f8479SAnirudh Venkataramanan * 3345df0f8479SAnirudh Venkataramanan * This function is only called in the driver's load path. Registering the NAPI 3346df0f8479SAnirudh Venkataramanan * handler is done in ice_vsi_alloc_q_vector() for all other cases (i.e. resume, 3347df0f8479SAnirudh Venkataramanan * reset/rebuild, etc.) 3348df0f8479SAnirudh Venkataramanan */ 3349df0f8479SAnirudh Venkataramanan static void ice_napi_add(struct ice_vsi *vsi) 3350df0f8479SAnirudh Venkataramanan { 3351df0f8479SAnirudh Venkataramanan int v_idx; 3352df0f8479SAnirudh Venkataramanan 3353df0f8479SAnirudh Venkataramanan if (!vsi->netdev) 3354df0f8479SAnirudh Venkataramanan return; 3355df0f8479SAnirudh Venkataramanan 33560c2561c8SBrett Creeley ice_for_each_q_vector(vsi, v_idx) 3357df0f8479SAnirudh Venkataramanan netif_napi_add(vsi->netdev, &vsi->q_vectors[v_idx]->napi, 3358b48b89f9SJakub Kicinski ice_napi_poll); 3359df0f8479SAnirudh Venkataramanan } 3360df0f8479SAnirudh Venkataramanan 3361df0f8479SAnirudh Venkataramanan /** 3362462acf6aSTony Nguyen * ice_set_ops - set netdev and ethtools ops for the given netdev 3363b6a4103cSLorenzo Bianconi * @vsi: the VSI associated with the new netdev 33643a858ba3SAnirudh Venkataramanan */ 3365b6a4103cSLorenzo Bianconi static void ice_set_ops(struct ice_vsi *vsi) 33663a858ba3SAnirudh Venkataramanan { 3367b6a4103cSLorenzo Bianconi struct net_device *netdev = vsi->netdev; 3368462acf6aSTony Nguyen struct ice_pf *pf = ice_netdev_to_pf(netdev); 3369462acf6aSTony Nguyen 3370462acf6aSTony Nguyen if (ice_is_safe_mode(pf)) { 3371462acf6aSTony Nguyen netdev->netdev_ops = &ice_netdev_safe_mode_ops; 3372462acf6aSTony Nguyen ice_set_ethtool_safe_mode_ops(netdev); 3373462acf6aSTony Nguyen return; 3374462acf6aSTony Nguyen } 3375462acf6aSTony Nguyen 3376462acf6aSTony Nguyen netdev->netdev_ops = &ice_netdev_ops; 3377b20e6c17SJakub Kicinski netdev->udp_tunnel_nic_info = &pf->hw.udp_tunnel_nic; 3378462acf6aSTony Nguyen ice_set_ethtool_ops(netdev); 3379b6a4103cSLorenzo Bianconi 3380b6a4103cSLorenzo Bianconi if (vsi->type != ICE_VSI_PF) 3381b6a4103cSLorenzo Bianconi return; 3382b6a4103cSLorenzo Bianconi 3383b6a4103cSLorenzo Bianconi netdev->xdp_features = NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT | 3384b6a4103cSLorenzo Bianconi NETDEV_XDP_ACT_XSK_ZEROCOPY | 3385b6a4103cSLorenzo Bianconi NETDEV_XDP_ACT_RX_SG; 3386eeb2b538SMaciej Fijalkowski netdev->xdp_zc_max_segs = ICE_MAX_BUF_TXD; 3387462acf6aSTony Nguyen } 3388462acf6aSTony Nguyen 3389462acf6aSTony Nguyen /** 3390462acf6aSTony Nguyen * ice_set_netdev_features - set features for the given netdev 3391462acf6aSTony Nguyen * @netdev: netdev instance 3392462acf6aSTony Nguyen */ 3393462acf6aSTony Nguyen static void ice_set_netdev_features(struct net_device *netdev) 3394462acf6aSTony Nguyen { 3395462acf6aSTony Nguyen struct ice_pf *pf = ice_netdev_to_pf(netdev); 33961babaf77SBrett Creeley bool is_dvm_ena = ice_is_dvm_ena(&pf->hw); 3397d76a60baSAnirudh Venkataramanan netdev_features_t csumo_features; 3398d76a60baSAnirudh Venkataramanan netdev_features_t vlano_features; 3399d76a60baSAnirudh Venkataramanan netdev_features_t dflt_features; 3400d76a60baSAnirudh Venkataramanan netdev_features_t tso_features; 34013a858ba3SAnirudh Venkataramanan 3402462acf6aSTony Nguyen if (ice_is_safe_mode(pf)) { 3403462acf6aSTony Nguyen /* safe mode */ 3404462acf6aSTony Nguyen netdev->features = NETIF_F_SG | NETIF_F_HIGHDMA; 3405462acf6aSTony Nguyen netdev->hw_features = netdev->features; 3406462acf6aSTony Nguyen return; 3407462acf6aSTony Nguyen } 34083a858ba3SAnirudh Venkataramanan 3409d76a60baSAnirudh Venkataramanan dflt_features = NETIF_F_SG | 34103a858ba3SAnirudh Venkataramanan NETIF_F_HIGHDMA | 3411148beb61SHenry Tieman NETIF_F_NTUPLE | 34123a858ba3SAnirudh Venkataramanan NETIF_F_RXHASH; 34133a858ba3SAnirudh Venkataramanan 3414d76a60baSAnirudh Venkataramanan csumo_features = NETIF_F_RXCSUM | 3415d76a60baSAnirudh Venkataramanan NETIF_F_IP_CSUM | 3416cf909e19SAnirudh Venkataramanan NETIF_F_SCTP_CRC | 3417d76a60baSAnirudh Venkataramanan NETIF_F_IPV6_CSUM; 3418d76a60baSAnirudh Venkataramanan 3419d76a60baSAnirudh Venkataramanan vlano_features = NETIF_F_HW_VLAN_CTAG_FILTER | 3420d76a60baSAnirudh Venkataramanan NETIF_F_HW_VLAN_CTAG_TX | 3421d76a60baSAnirudh Venkataramanan NETIF_F_HW_VLAN_CTAG_RX; 3422d76a60baSAnirudh Venkataramanan 34231babaf77SBrett Creeley /* Enable CTAG/STAG filtering by default in Double VLAN Mode (DVM) */ 34241babaf77SBrett Creeley if (is_dvm_ena) 34251babaf77SBrett Creeley vlano_features |= NETIF_F_HW_VLAN_STAG_FILTER; 34261babaf77SBrett Creeley 3427a54e3b8cSBrett Creeley tso_features = NETIF_F_TSO | 3428a4e82a81STony Nguyen NETIF_F_TSO_ECN | 3429a4e82a81STony Nguyen NETIF_F_TSO6 | 3430a4e82a81STony Nguyen NETIF_F_GSO_GRE | 3431a4e82a81STony Nguyen NETIF_F_GSO_UDP_TUNNEL | 3432a4e82a81STony Nguyen NETIF_F_GSO_GRE_CSUM | 3433a4e82a81STony Nguyen NETIF_F_GSO_UDP_TUNNEL_CSUM | 3434a4e82a81STony Nguyen NETIF_F_GSO_PARTIAL | 3435a4e82a81STony Nguyen NETIF_F_GSO_IPXIP4 | 3436a4e82a81STony Nguyen NETIF_F_GSO_IPXIP6 | 3437a54e3b8cSBrett Creeley NETIF_F_GSO_UDP_L4; 3438d76a60baSAnirudh Venkataramanan 3439a4e82a81STony Nguyen netdev->gso_partial_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM | 3440a4e82a81STony Nguyen NETIF_F_GSO_GRE_CSUM; 3441d76a60baSAnirudh Venkataramanan /* set features that user can change */ 3442d76a60baSAnirudh Venkataramanan netdev->hw_features = dflt_features | csumo_features | 3443d76a60baSAnirudh Venkataramanan vlano_features | tso_features; 3444d76a60baSAnirudh Venkataramanan 3445a4e82a81STony Nguyen /* add support for HW_CSUM on packets with MPLS header */ 344669e66c04SJoe Damato netdev->mpls_features = NETIF_F_HW_CSUM | 344769e66c04SJoe Damato NETIF_F_TSO | 344869e66c04SJoe Damato NETIF_F_TSO6; 3449a4e82a81STony Nguyen 34503a858ba3SAnirudh Venkataramanan /* enable features */ 34513a858ba3SAnirudh Venkataramanan netdev->features |= netdev->hw_features; 34520d08a441SKiran Patil 34530d08a441SKiran Patil netdev->hw_features |= NETIF_F_HW_TC; 345444ece4e1SMaciej Fijalkowski netdev->hw_features |= NETIF_F_LOOPBACK; 34550d08a441SKiran Patil 3456d76a60baSAnirudh Venkataramanan /* encap and VLAN devices inherit default, csumo and tso features */ 3457d76a60baSAnirudh Venkataramanan netdev->hw_enc_features |= dflt_features | csumo_features | 3458d76a60baSAnirudh Venkataramanan tso_features; 3459d76a60baSAnirudh Venkataramanan netdev->vlan_features |= dflt_features | csumo_features | 3460d76a60baSAnirudh Venkataramanan tso_features; 34611babaf77SBrett Creeley 34621babaf77SBrett Creeley /* advertise support but don't enable by default since only one type of 34631babaf77SBrett Creeley * VLAN offload can be enabled at a time (i.e. CTAG or STAG). When one 34641babaf77SBrett Creeley * type turns on the other has to be turned off. This is enforced by the 34651babaf77SBrett Creeley * ice_fix_features() ndo callback. 34661babaf77SBrett Creeley */ 34671babaf77SBrett Creeley if (is_dvm_ena) 34681babaf77SBrett Creeley netdev->hw_features |= NETIF_F_HW_VLAN_STAG_RX | 34691babaf77SBrett Creeley NETIF_F_HW_VLAN_STAG_TX; 3470dddd406dSJesse Brandeburg 3471dddd406dSJesse Brandeburg /* Leave CRC / FCS stripping enabled by default, but allow the value to 3472dddd406dSJesse Brandeburg * be changed at runtime 3473dddd406dSJesse Brandeburg */ 3474dddd406dSJesse Brandeburg netdev->hw_features |= NETIF_F_RXFCS; 3475fce92dbcSPawel Chmielewski 3476fce92dbcSPawel Chmielewski netif_set_tso_max_size(netdev, ICE_MAX_TSO_SIZE); 3477462acf6aSTony Nguyen } 3478462acf6aSTony Nguyen 3479462acf6aSTony Nguyen /** 3480d76a60baSAnirudh Venkataramanan * ice_fill_rss_lut - Fill the RSS lookup table with default values 3481d76a60baSAnirudh Venkataramanan * @lut: Lookup table 3482d76a60baSAnirudh Venkataramanan * @rss_table_size: Lookup table size 3483d76a60baSAnirudh Venkataramanan * @rss_size: Range of queue number for hashing 3484d76a60baSAnirudh Venkataramanan */ 3485d76a60baSAnirudh Venkataramanan void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size) 3486d76a60baSAnirudh Venkataramanan { 3487d76a60baSAnirudh Venkataramanan u16 i; 3488d76a60baSAnirudh Venkataramanan 3489d76a60baSAnirudh Venkataramanan for (i = 0; i < rss_table_size; i++) 3490d76a60baSAnirudh Venkataramanan lut[i] = i % rss_size; 3491d76a60baSAnirudh Venkataramanan } 3492d76a60baSAnirudh Venkataramanan 3493d76a60baSAnirudh Venkataramanan /** 34940f9d5027SAnirudh Venkataramanan * ice_pf_vsi_setup - Set up a PF VSI 34950f9d5027SAnirudh Venkataramanan * @pf: board private structure 34960f9d5027SAnirudh Venkataramanan * @pi: pointer to the port_info instance 34970f9d5027SAnirudh Venkataramanan * 34980e674aebSAnirudh Venkataramanan * Returns pointer to the successfully allocated VSI software struct 34990e674aebSAnirudh Venkataramanan * on success, otherwise returns NULL on failure. 35000f9d5027SAnirudh Venkataramanan */ 35010f9d5027SAnirudh Venkataramanan static struct ice_vsi * 35020f9d5027SAnirudh Venkataramanan ice_pf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi) 35030f9d5027SAnirudh Venkataramanan { 35045e509ab2SJacob Keller struct ice_vsi_cfg_params params = {}; 35055e509ab2SJacob Keller 35065e509ab2SJacob Keller params.type = ICE_VSI_PF; 35075e509ab2SJacob Keller params.pi = pi; 35085e509ab2SJacob Keller params.flags = ICE_VSI_FLAG_INIT; 35095e509ab2SJacob Keller 35105e509ab2SJacob Keller return ice_vsi_setup(pf, ¶ms); 35110f9d5027SAnirudh Venkataramanan } 35120f9d5027SAnirudh Venkataramanan 3513fbc7b27aSKiran Patil static struct ice_vsi * 3514fbc7b27aSKiran Patil ice_chnl_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, 3515fbc7b27aSKiran Patil struct ice_channel *ch) 3516fbc7b27aSKiran Patil { 35175e509ab2SJacob Keller struct ice_vsi_cfg_params params = {}; 35185e509ab2SJacob Keller 35195e509ab2SJacob Keller params.type = ICE_VSI_CHNL; 35205e509ab2SJacob Keller params.pi = pi; 35215e509ab2SJacob Keller params.ch = ch; 35225e509ab2SJacob Keller params.flags = ICE_VSI_FLAG_INIT; 35235e509ab2SJacob Keller 35245e509ab2SJacob Keller return ice_vsi_setup(pf, ¶ms); 3525fbc7b27aSKiran Patil } 3526fbc7b27aSKiran Patil 35270f9d5027SAnirudh Venkataramanan /** 3528148beb61SHenry Tieman * ice_ctrl_vsi_setup - Set up a control VSI 3529148beb61SHenry Tieman * @pf: board private structure 3530148beb61SHenry Tieman * @pi: pointer to the port_info instance 3531148beb61SHenry Tieman * 3532148beb61SHenry Tieman * Returns pointer to the successfully allocated VSI software struct 3533148beb61SHenry Tieman * on success, otherwise returns NULL on failure. 3534148beb61SHenry Tieman */ 3535148beb61SHenry Tieman static struct ice_vsi * 3536148beb61SHenry Tieman ice_ctrl_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi) 3537148beb61SHenry Tieman { 35385e509ab2SJacob Keller struct ice_vsi_cfg_params params = {}; 35395e509ab2SJacob Keller 35405e509ab2SJacob Keller params.type = ICE_VSI_CTRL; 35415e509ab2SJacob Keller params.pi = pi; 35425e509ab2SJacob Keller params.flags = ICE_VSI_FLAG_INIT; 35435e509ab2SJacob Keller 35445e509ab2SJacob Keller return ice_vsi_setup(pf, ¶ms); 3545148beb61SHenry Tieman } 3546148beb61SHenry Tieman 3547148beb61SHenry Tieman /** 35480e674aebSAnirudh Venkataramanan * ice_lb_vsi_setup - Set up a loopback VSI 35490e674aebSAnirudh Venkataramanan * @pf: board private structure 35500e674aebSAnirudh Venkataramanan * @pi: pointer to the port_info instance 35510e674aebSAnirudh Venkataramanan * 35520e674aebSAnirudh Venkataramanan * Returns pointer to the successfully allocated VSI software struct 35530e674aebSAnirudh Venkataramanan * on success, otherwise returns NULL on failure. 35540e674aebSAnirudh Venkataramanan */ 35550e674aebSAnirudh Venkataramanan struct ice_vsi * 35560e674aebSAnirudh Venkataramanan ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi) 35570e674aebSAnirudh Venkataramanan { 35585e509ab2SJacob Keller struct ice_vsi_cfg_params params = {}; 35595e509ab2SJacob Keller 35605e509ab2SJacob Keller params.type = ICE_VSI_LB; 35615e509ab2SJacob Keller params.pi = pi; 35625e509ab2SJacob Keller params.flags = ICE_VSI_FLAG_INIT; 35635e509ab2SJacob Keller 35645e509ab2SJacob Keller return ice_vsi_setup(pf, ¶ms); 35650e674aebSAnirudh Venkataramanan } 35660e674aebSAnirudh Venkataramanan 35670e674aebSAnirudh Venkataramanan /** 3568f9867df6SAnirudh Venkataramanan * ice_vlan_rx_add_vid - Add a VLAN ID filter to HW offload 3569d76a60baSAnirudh Venkataramanan * @netdev: network interface to be adjusted 35702bfefa2dSBrett Creeley * @proto: VLAN TPID 3571f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be added 3572d76a60baSAnirudh Venkataramanan * 3573f9867df6SAnirudh Venkataramanan * net_device_ops implementation for adding VLAN IDs 3574d76a60baSAnirudh Venkataramanan */ 3575c8b7abddSBruce Allan static int 35762bfefa2dSBrett Creeley ice_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid) 3577d76a60baSAnirudh Venkataramanan { 3578d76a60baSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 3579c31af68aSBrett Creeley struct ice_vsi_vlan_ops *vlan_ops; 3580d76a60baSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 3581fb05ba12SBrett Creeley struct ice_vlan vlan; 35825eda8afdSAkeem G Abodunrin int ret; 3583d76a60baSAnirudh Venkataramanan 358442f3efefSBrett Creeley /* VLAN 0 is added by default during load/reset */ 358542f3efefSBrett Creeley if (!vid) 358642f3efefSBrett Creeley return 0; 358742f3efefSBrett Creeley 35881273f895SIvan Vecera while (test_and_set_bit(ICE_CFG_BUSY, vsi->state)) 35891273f895SIvan Vecera usleep_range(1000, 2000); 35901273f895SIvan Vecera 35911273f895SIvan Vecera /* Add multicast promisc rule for the VLAN ID to be added if 35921273f895SIvan Vecera * all-multicast is currently enabled. 35931273f895SIvan Vecera */ 35941273f895SIvan Vecera if (vsi->current_netdev_flags & IFF_ALLMULTI) { 35951273f895SIvan Vecera ret = ice_fltr_set_vsi_promisc(&vsi->back->hw, vsi->idx, 35961273f895SIvan Vecera ICE_MCAST_VLAN_PROMISC_BITS, 35971273f895SIvan Vecera vid); 35981273f895SIvan Vecera if (ret) 35991273f895SIvan Vecera goto finish; 36001273f895SIvan Vecera } 36011273f895SIvan Vecera 3602c31af68aSBrett Creeley vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 36034f74dcc1SBrett Creeley 360442f3efefSBrett Creeley /* Add a switch rule for this VLAN ID so its corresponding VLAN tagged 360542f3efefSBrett Creeley * packets aren't pruned by the device's internal switch on Rx 3606d76a60baSAnirudh Venkataramanan */ 36072bfefa2dSBrett Creeley vlan = ICE_VLAN(be16_to_cpu(proto), vid, 0); 3608c31af68aSBrett Creeley ret = vlan_ops->add_vlan(vsi, &vlan); 36091273f895SIvan Vecera if (ret) 36101273f895SIvan Vecera goto finish; 36111273f895SIvan Vecera 36121273f895SIvan Vecera /* If all-multicast is currently enabled and this VLAN ID is only one 36131273f895SIvan Vecera * besides VLAN-0 we have to update look-up type of multicast promisc 36141273f895SIvan Vecera * rule for VLAN-0 from ICE_SW_LKUP_PROMISC to ICE_SW_LKUP_PROMISC_VLAN. 36151273f895SIvan Vecera */ 36161273f895SIvan Vecera if ((vsi->current_netdev_flags & IFF_ALLMULTI) && 36171273f895SIvan Vecera ice_vsi_num_non_zero_vlans(vsi) == 1) { 36181273f895SIvan Vecera ice_fltr_clear_vsi_promisc(&vsi->back->hw, vsi->idx, 36191273f895SIvan Vecera ICE_MCAST_PROMISC_BITS, 0); 36201273f895SIvan Vecera ice_fltr_set_vsi_promisc(&vsi->back->hw, vsi->idx, 36211273f895SIvan Vecera ICE_MCAST_VLAN_PROMISC_BITS, 0); 36221273f895SIvan Vecera } 36231273f895SIvan Vecera 36241273f895SIvan Vecera finish: 36251273f895SIvan Vecera clear_bit(ICE_CFG_BUSY, vsi->state); 36265eda8afdSAkeem G Abodunrin 36275eda8afdSAkeem G Abodunrin return ret; 3628d76a60baSAnirudh Venkataramanan } 3629d76a60baSAnirudh Venkataramanan 3630d76a60baSAnirudh Venkataramanan /** 3631f9867df6SAnirudh Venkataramanan * ice_vlan_rx_kill_vid - Remove a VLAN ID filter from HW offload 3632d76a60baSAnirudh Venkataramanan * @netdev: network interface to be adjusted 36332bfefa2dSBrett Creeley * @proto: VLAN TPID 3634f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be removed 3635d76a60baSAnirudh Venkataramanan * 3636f9867df6SAnirudh Venkataramanan * net_device_ops implementation for removing VLAN IDs 3637d76a60baSAnirudh Venkataramanan */ 3638c8b7abddSBruce Allan static int 36392bfefa2dSBrett Creeley ice_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid) 3640d76a60baSAnirudh Venkataramanan { 3641d76a60baSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 3642c31af68aSBrett Creeley struct ice_vsi_vlan_ops *vlan_ops; 3643d76a60baSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 3644fb05ba12SBrett Creeley struct ice_vlan vlan; 36455eda8afdSAkeem G Abodunrin int ret; 3646d76a60baSAnirudh Venkataramanan 364742f3efefSBrett Creeley /* don't allow removal of VLAN 0 */ 364842f3efefSBrett Creeley if (!vid) 364942f3efefSBrett Creeley return 0; 365042f3efefSBrett Creeley 36511273f895SIvan Vecera while (test_and_set_bit(ICE_CFG_BUSY, vsi->state)) 36521273f895SIvan Vecera usleep_range(1000, 2000); 36531273f895SIvan Vecera 3654abddafd4SGrzegorz Siwik ret = ice_clear_vsi_promisc(&vsi->back->hw, vsi->idx, 3655abddafd4SGrzegorz Siwik ICE_MCAST_VLAN_PROMISC_BITS, vid); 3656abddafd4SGrzegorz Siwik if (ret) { 3657abddafd4SGrzegorz Siwik netdev_err(netdev, "Error clearing multicast promiscuous mode on VSI %i\n", 3658abddafd4SGrzegorz Siwik vsi->vsi_num); 3659abddafd4SGrzegorz Siwik vsi->current_netdev_flags |= IFF_ALLMULTI; 3660abddafd4SGrzegorz Siwik } 3661abddafd4SGrzegorz Siwik 3662c31af68aSBrett Creeley vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 3663c31af68aSBrett Creeley 3664bc42afa9SBrett Creeley /* Make sure VLAN delete is successful before updating VLAN 36654f74dcc1SBrett Creeley * information 3666d76a60baSAnirudh Venkataramanan */ 36672bfefa2dSBrett Creeley vlan = ICE_VLAN(be16_to_cpu(proto), vid, 0); 3668c31af68aSBrett Creeley ret = vlan_ops->del_vlan(vsi, &vlan); 36695eda8afdSAkeem G Abodunrin if (ret) 36701273f895SIvan Vecera goto finish; 3671d76a60baSAnirudh Venkataramanan 36721273f895SIvan Vecera /* Remove multicast promisc rule for the removed VLAN ID if 36731273f895SIvan Vecera * all-multicast is enabled. 36741273f895SIvan Vecera */ 36751273f895SIvan Vecera if (vsi->current_netdev_flags & IFF_ALLMULTI) 36761273f895SIvan Vecera ice_fltr_clear_vsi_promisc(&vsi->back->hw, vsi->idx, 36771273f895SIvan Vecera ICE_MCAST_VLAN_PROMISC_BITS, vid); 36781273f895SIvan Vecera 36791273f895SIvan Vecera if (!ice_vsi_has_non_zero_vlans(vsi)) { 36801273f895SIvan Vecera /* Update look-up type of multicast promisc rule for VLAN 0 36811273f895SIvan Vecera * from ICE_SW_LKUP_PROMISC_VLAN to ICE_SW_LKUP_PROMISC when 36821273f895SIvan Vecera * all-multicast is enabled and VLAN 0 is the only VLAN rule. 36831273f895SIvan Vecera */ 36841273f895SIvan Vecera if (vsi->current_netdev_flags & IFF_ALLMULTI) { 36851273f895SIvan Vecera ice_fltr_clear_vsi_promisc(&vsi->back->hw, vsi->idx, 36861273f895SIvan Vecera ICE_MCAST_VLAN_PROMISC_BITS, 36871273f895SIvan Vecera 0); 36881273f895SIvan Vecera ice_fltr_set_vsi_promisc(&vsi->back->hw, vsi->idx, 36891273f895SIvan Vecera ICE_MCAST_PROMISC_BITS, 0); 36901273f895SIvan Vecera } 36911273f895SIvan Vecera } 36921273f895SIvan Vecera 36931273f895SIvan Vecera finish: 36941273f895SIvan Vecera clear_bit(ICE_CFG_BUSY, vsi->state); 36951273f895SIvan Vecera 36961273f895SIvan Vecera return ret; 3697d76a60baSAnirudh Venkataramanan } 3698d76a60baSAnirudh Venkataramanan 3699d76a60baSAnirudh Venkataramanan /** 3700195bb48fSMichal Swiatkowski * ice_rep_indr_tc_block_unbind 3701195bb48fSMichal Swiatkowski * @cb_priv: indirection block private data 3702195bb48fSMichal Swiatkowski */ 3703195bb48fSMichal Swiatkowski static void ice_rep_indr_tc_block_unbind(void *cb_priv) 3704195bb48fSMichal Swiatkowski { 3705195bb48fSMichal Swiatkowski struct ice_indr_block_priv *indr_priv = cb_priv; 3706195bb48fSMichal Swiatkowski 3707195bb48fSMichal Swiatkowski list_del(&indr_priv->list); 3708195bb48fSMichal Swiatkowski kfree(indr_priv); 3709195bb48fSMichal Swiatkowski } 3710195bb48fSMichal Swiatkowski 3711195bb48fSMichal Swiatkowski /** 3712195bb48fSMichal Swiatkowski * ice_tc_indir_block_unregister - Unregister TC indirect block notifications 3713195bb48fSMichal Swiatkowski * @vsi: VSI struct which has the netdev 3714195bb48fSMichal Swiatkowski */ 3715195bb48fSMichal Swiatkowski static void ice_tc_indir_block_unregister(struct ice_vsi *vsi) 3716195bb48fSMichal Swiatkowski { 3717195bb48fSMichal Swiatkowski struct ice_netdev_priv *np = netdev_priv(vsi->netdev); 3718195bb48fSMichal Swiatkowski 3719195bb48fSMichal Swiatkowski flow_indr_dev_unregister(ice_indr_setup_tc_cb, np, 3720195bb48fSMichal Swiatkowski ice_rep_indr_tc_block_unbind); 3721195bb48fSMichal Swiatkowski } 3722195bb48fSMichal Swiatkowski 3723195bb48fSMichal Swiatkowski /** 3724195bb48fSMichal Swiatkowski * ice_tc_indir_block_register - Register TC indirect block notifications 3725195bb48fSMichal Swiatkowski * @vsi: VSI struct which has the netdev 3726195bb48fSMichal Swiatkowski * 3727195bb48fSMichal Swiatkowski * Returns 0 on success, negative value on failure 3728195bb48fSMichal Swiatkowski */ 3729195bb48fSMichal Swiatkowski static int ice_tc_indir_block_register(struct ice_vsi *vsi) 3730195bb48fSMichal Swiatkowski { 3731195bb48fSMichal Swiatkowski struct ice_netdev_priv *np; 3732195bb48fSMichal Swiatkowski 3733195bb48fSMichal Swiatkowski if (!vsi || !vsi->netdev) 3734195bb48fSMichal Swiatkowski return -EINVAL; 3735195bb48fSMichal Swiatkowski 3736195bb48fSMichal Swiatkowski np = netdev_priv(vsi->netdev); 3737195bb48fSMichal Swiatkowski 3738195bb48fSMichal Swiatkowski INIT_LIST_HEAD(&np->tc_indr_block_priv_list); 3739195bb48fSMichal Swiatkowski return flow_indr_dev_register(ice_indr_setup_tc_cb, np); 3740195bb48fSMichal Swiatkowski } 3741195bb48fSMichal Swiatkowski 3742195bb48fSMichal Swiatkowski /** 37438c243700SAnirudh Venkataramanan * ice_get_avail_q_count - Get count of queues in use 37448c243700SAnirudh Venkataramanan * @pf_qmap: bitmap to get queue use count from 37458c243700SAnirudh Venkataramanan * @lock: pointer to a mutex that protects access to pf_qmap 37468c243700SAnirudh Venkataramanan * @size: size of the bitmap 3747940b61afSAnirudh Venkataramanan */ 37488c243700SAnirudh Venkataramanan static u16 37498c243700SAnirudh Venkataramanan ice_get_avail_q_count(unsigned long *pf_qmap, struct mutex *lock, u16 size) 3750940b61afSAnirudh Venkataramanan { 375188865fc4SKarol Kolacinski unsigned long bit; 375288865fc4SKarol Kolacinski u16 count = 0; 3753940b61afSAnirudh Venkataramanan 37548c243700SAnirudh Venkataramanan mutex_lock(lock); 37558c243700SAnirudh Venkataramanan for_each_clear_bit(bit, pf_qmap, size) 37568c243700SAnirudh Venkataramanan count++; 37578c243700SAnirudh Venkataramanan mutex_unlock(lock); 3758940b61afSAnirudh Venkataramanan 37598c243700SAnirudh Venkataramanan return count; 37608c243700SAnirudh Venkataramanan } 3761d76a60baSAnirudh Venkataramanan 37628c243700SAnirudh Venkataramanan /** 37638c243700SAnirudh Venkataramanan * ice_get_avail_txq_count - Get count of Tx queues in use 37648c243700SAnirudh Venkataramanan * @pf: pointer to an ice_pf instance 37658c243700SAnirudh Venkataramanan */ 37668c243700SAnirudh Venkataramanan u16 ice_get_avail_txq_count(struct ice_pf *pf) 37678c243700SAnirudh Venkataramanan { 37688c243700SAnirudh Venkataramanan return ice_get_avail_q_count(pf->avail_txqs, &pf->avail_q_mutex, 37698c243700SAnirudh Venkataramanan pf->max_pf_txqs); 37708c243700SAnirudh Venkataramanan } 3771940b61afSAnirudh Venkataramanan 37728c243700SAnirudh Venkataramanan /** 37738c243700SAnirudh Venkataramanan * ice_get_avail_rxq_count - Get count of Rx queues in use 37748c243700SAnirudh Venkataramanan * @pf: pointer to an ice_pf instance 37758c243700SAnirudh Venkataramanan */ 37768c243700SAnirudh Venkataramanan u16 ice_get_avail_rxq_count(struct ice_pf *pf) 37778c243700SAnirudh Venkataramanan { 37788c243700SAnirudh Venkataramanan return ice_get_avail_q_count(pf->avail_rxqs, &pf->avail_q_mutex, 37798c243700SAnirudh Venkataramanan pf->max_pf_rxqs); 3780940b61afSAnirudh Venkataramanan } 3781940b61afSAnirudh Venkataramanan 3782940b61afSAnirudh Venkataramanan /** 3783940b61afSAnirudh Venkataramanan * ice_deinit_pf - Unrolls initialziations done by ice_init_pf 3784940b61afSAnirudh Venkataramanan * @pf: board private structure to initialize 3785940b61afSAnirudh Venkataramanan */ 3786940b61afSAnirudh Venkataramanan static void ice_deinit_pf(struct ice_pf *pf) 3787940b61afSAnirudh Venkataramanan { 37888d81fa55SAkeem G Abodunrin ice_service_task_stop(pf); 3789bb52f42aSDave Ertman mutex_destroy(&pf->lag_mutex); 3790486b9eeeSIvan Vecera mutex_destroy(&pf->adev_mutex); 3791940b61afSAnirudh Venkataramanan mutex_destroy(&pf->sw_mutex); 3792b94b013eSDave Ertman mutex_destroy(&pf->tc_mutex); 3793940b61afSAnirudh Venkataramanan mutex_destroy(&pf->avail_q_mutex); 37943d5985a1SJacob Keller mutex_destroy(&pf->vfs.table_lock); 379578b5713aSAnirudh Venkataramanan 379678b5713aSAnirudh Venkataramanan if (pf->avail_txqs) { 379778b5713aSAnirudh Venkataramanan bitmap_free(pf->avail_txqs); 379878b5713aSAnirudh Venkataramanan pf->avail_txqs = NULL; 379978b5713aSAnirudh Venkataramanan } 380078b5713aSAnirudh Venkataramanan 380178b5713aSAnirudh Venkataramanan if (pf->avail_rxqs) { 380278b5713aSAnirudh Venkataramanan bitmap_free(pf->avail_rxqs); 380378b5713aSAnirudh Venkataramanan pf->avail_rxqs = NULL; 380478b5713aSAnirudh Venkataramanan } 380506c16d89SJacob Keller 380606c16d89SJacob Keller if (pf->ptp.clock) 380706c16d89SJacob Keller ptp_clock_unregister(pf->ptp.clock); 3808940b61afSAnirudh Venkataramanan } 3809940b61afSAnirudh Venkataramanan 3810940b61afSAnirudh Venkataramanan /** 3811462acf6aSTony Nguyen * ice_set_pf_caps - set PFs capability flags 3812462acf6aSTony Nguyen * @pf: pointer to the PF instance 3813462acf6aSTony Nguyen */ 3814462acf6aSTony Nguyen static void ice_set_pf_caps(struct ice_pf *pf) 3815462acf6aSTony Nguyen { 3816462acf6aSTony Nguyen struct ice_hw_func_caps *func_caps = &pf->hw.func_caps; 3817462acf6aSTony Nguyen 3818d25a0fc4SDave Ertman clear_bit(ICE_FLAG_RDMA_ENA, pf->flags); 381988f62aeaSDave Ertman if (func_caps->common_cap.rdma) 3820d25a0fc4SDave Ertman set_bit(ICE_FLAG_RDMA_ENA, pf->flags); 3821462acf6aSTony Nguyen clear_bit(ICE_FLAG_DCB_CAPABLE, pf->flags); 3822462acf6aSTony Nguyen if (func_caps->common_cap.dcb) 3823462acf6aSTony Nguyen set_bit(ICE_FLAG_DCB_CAPABLE, pf->flags); 3824462acf6aSTony Nguyen clear_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags); 3825462acf6aSTony Nguyen if (func_caps->common_cap.sr_iov_1_1) { 3826462acf6aSTony Nguyen set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags); 3827000773c0SJacob Keller pf->vfs.num_supported = min_t(int, func_caps->num_allocd_vfs, 3828dc36796eSJacob Keller ICE_MAX_SRIOV_VFS); 3829462acf6aSTony Nguyen } 3830462acf6aSTony Nguyen clear_bit(ICE_FLAG_RSS_ENA, pf->flags); 3831462acf6aSTony Nguyen if (func_caps->common_cap.rss_table_size) 3832462acf6aSTony Nguyen set_bit(ICE_FLAG_RSS_ENA, pf->flags); 3833462acf6aSTony Nguyen 3834148beb61SHenry Tieman clear_bit(ICE_FLAG_FD_ENA, pf->flags); 3835148beb61SHenry Tieman if (func_caps->fd_fltr_guar > 0 || func_caps->fd_fltr_best_effort > 0) { 3836148beb61SHenry Tieman u16 unused; 3837148beb61SHenry Tieman 3838148beb61SHenry Tieman /* ctrl_vsi_idx will be set to a valid value when flow director 3839148beb61SHenry Tieman * is setup by ice_init_fdir 3840148beb61SHenry Tieman */ 3841148beb61SHenry Tieman pf->ctrl_vsi_idx = ICE_NO_VSI; 3842148beb61SHenry Tieman set_bit(ICE_FLAG_FD_ENA, pf->flags); 3843148beb61SHenry Tieman /* force guaranteed filter pool for PF */ 3844148beb61SHenry Tieman ice_alloc_fd_guar_item(&pf->hw, &unused, 3845148beb61SHenry Tieman func_caps->fd_fltr_guar); 3846148beb61SHenry Tieman /* force shared filter pool for PF */ 3847148beb61SHenry Tieman ice_alloc_fd_shrd_item(&pf->hw, &unused, 3848148beb61SHenry Tieman func_caps->fd_fltr_best_effort); 3849148beb61SHenry Tieman } 3850148beb61SHenry Tieman 385106c16d89SJacob Keller clear_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags); 385206c16d89SJacob Keller if (func_caps->common_cap.ieee_1588) 385306c16d89SJacob Keller set_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags); 385406c16d89SJacob Keller 3855462acf6aSTony Nguyen pf->max_pf_txqs = func_caps->common_cap.num_txq; 3856462acf6aSTony Nguyen pf->max_pf_rxqs = func_caps->common_cap.num_rxq; 3857462acf6aSTony Nguyen } 3858462acf6aSTony Nguyen 3859462acf6aSTony Nguyen /** 3860940b61afSAnirudh Venkataramanan * ice_init_pf - Initialize general software structures (struct ice_pf) 3861940b61afSAnirudh Venkataramanan * @pf: board private structure to initialize 3862940b61afSAnirudh Venkataramanan */ 386378b5713aSAnirudh Venkataramanan static int ice_init_pf(struct ice_pf *pf) 3864940b61afSAnirudh Venkataramanan { 3865462acf6aSTony Nguyen ice_set_pf_caps(pf); 3866940b61afSAnirudh Venkataramanan 3867940b61afSAnirudh Venkataramanan mutex_init(&pf->sw_mutex); 3868b94b013eSDave Ertman mutex_init(&pf->tc_mutex); 3869486b9eeeSIvan Vecera mutex_init(&pf->adev_mutex); 3870bb52f42aSDave Ertman mutex_init(&pf->lag_mutex); 3871d76a60baSAnirudh Venkataramanan 3872d69ea414SJacob Keller INIT_HLIST_HEAD(&pf->aq_wait_list); 3873d69ea414SJacob Keller spin_lock_init(&pf->aq_wait_lock); 3874d69ea414SJacob Keller init_waitqueue_head(&pf->aq_wait_queue); 3875d69ea414SJacob Keller 38761c08052eSJacob Keller init_waitqueue_head(&pf->reset_wait_queue); 38771c08052eSJacob Keller 3878940b61afSAnirudh Venkataramanan /* setup service timer and periodic service task */ 3879940b61afSAnirudh Venkataramanan timer_setup(&pf->serv_tmr, ice_service_timer, 0); 3880940b61afSAnirudh Venkataramanan pf->serv_tmr_period = HZ; 3881940b61afSAnirudh Venkataramanan INIT_WORK(&pf->serv_task, ice_service_task); 38827e408e07SAnirudh Venkataramanan clear_bit(ICE_SERVICE_SCHED, pf->state); 388378b5713aSAnirudh Venkataramanan 3884462acf6aSTony Nguyen mutex_init(&pf->avail_q_mutex); 388578b5713aSAnirudh Venkataramanan pf->avail_txqs = bitmap_zalloc(pf->max_pf_txqs, GFP_KERNEL); 388678b5713aSAnirudh Venkataramanan if (!pf->avail_txqs) 388778b5713aSAnirudh Venkataramanan return -ENOMEM; 388878b5713aSAnirudh Venkataramanan 388978b5713aSAnirudh Venkataramanan pf->avail_rxqs = bitmap_zalloc(pf->max_pf_rxqs, GFP_KERNEL); 389078b5713aSAnirudh Venkataramanan if (!pf->avail_rxqs) { 389159ac3255SMichal Swiatkowski bitmap_free(pf->avail_txqs); 389278b5713aSAnirudh Venkataramanan pf->avail_txqs = NULL; 389378b5713aSAnirudh Venkataramanan return -ENOMEM; 389478b5713aSAnirudh Venkataramanan } 389578b5713aSAnirudh Venkataramanan 38963d5985a1SJacob Keller mutex_init(&pf->vfs.table_lock); 38973d5985a1SJacob Keller hash_init(pf->vfs.table); 3898dde7db63SJacob Keller ice_mbx_init_snapshot(&pf->hw); 38993d5985a1SJacob Keller 390078b5713aSAnirudh Venkataramanan return 0; 3901940b61afSAnirudh Venkataramanan } 3902940b61afSAnirudh Venkataramanan 3903940b61afSAnirudh Venkataramanan /** 390431765519SAnirudh Venkataramanan * ice_is_wol_supported - check if WoL is supported 390531765519SAnirudh Venkataramanan * @hw: pointer to hardware info 3906769c500dSAkeem G Abodunrin * 3907769c500dSAkeem G Abodunrin * Check if WoL is supported based on the HW configuration. 3908769c500dSAkeem G Abodunrin * Returns true if NVM supports and enables WoL for this port, false otherwise 3909769c500dSAkeem G Abodunrin */ 391031765519SAnirudh Venkataramanan bool ice_is_wol_supported(struct ice_hw *hw) 3911769c500dSAkeem G Abodunrin { 3912769c500dSAkeem G Abodunrin u16 wol_ctrl; 3913769c500dSAkeem G Abodunrin 3914769c500dSAkeem G Abodunrin /* A bit set to 1 in the NVM Software Reserved Word 2 (WoL control 3915769c500dSAkeem G Abodunrin * word) indicates WoL is not supported on the corresponding PF ID. 3916769c500dSAkeem G Abodunrin */ 3917769c500dSAkeem G Abodunrin if (ice_read_sr_word(hw, ICE_SR_NVM_WOL_CFG, &wol_ctrl)) 3918769c500dSAkeem G Abodunrin return false; 3919769c500dSAkeem G Abodunrin 392031765519SAnirudh Venkataramanan return !(BIT(hw->port_info->lport) & wol_ctrl); 3921769c500dSAkeem G Abodunrin } 3922769c500dSAkeem G Abodunrin 3923769c500dSAkeem G Abodunrin /** 392487324e74SHenry Tieman * ice_vsi_recfg_qs - Change the number of queues on a VSI 392587324e74SHenry Tieman * @vsi: VSI being changed 392687324e74SHenry Tieman * @new_rx: new number of Rx queues 392787324e74SHenry Tieman * @new_tx: new number of Tx queues 3928a6a0974aSDave Ertman * @locked: is adev device_lock held 392987324e74SHenry Tieman * 393087324e74SHenry Tieman * Only change the number of queues if new_tx, or new_rx is non-0. 393187324e74SHenry Tieman * 393287324e74SHenry Tieman * Returns 0 on success. 393387324e74SHenry Tieman */ 3934a6a0974aSDave Ertman int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx, bool locked) 393587324e74SHenry Tieman { 393687324e74SHenry Tieman struct ice_pf *pf = vsi->back; 393787324e74SHenry Tieman int err = 0, timeout = 50; 393887324e74SHenry Tieman 393987324e74SHenry Tieman if (!new_rx && !new_tx) 394087324e74SHenry Tieman return -EINVAL; 394187324e74SHenry Tieman 39427e408e07SAnirudh Venkataramanan while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 394387324e74SHenry Tieman timeout--; 394487324e74SHenry Tieman if (!timeout) 394587324e74SHenry Tieman return -EBUSY; 394687324e74SHenry Tieman usleep_range(1000, 2000); 394787324e74SHenry Tieman } 394887324e74SHenry Tieman 394987324e74SHenry Tieman if (new_tx) 395088865fc4SKarol Kolacinski vsi->req_txq = (u16)new_tx; 395187324e74SHenry Tieman if (new_rx) 395288865fc4SKarol Kolacinski vsi->req_rxq = (u16)new_rx; 395387324e74SHenry Tieman 395487324e74SHenry Tieman /* set for the next time the netdev is started */ 395587324e74SHenry Tieman if (!netif_running(vsi->netdev)) { 39566624e780SMichal Swiatkowski ice_vsi_rebuild(vsi, ICE_VSI_FLAG_NO_INIT); 395787324e74SHenry Tieman dev_dbg(ice_pf_to_dev(pf), "Link is down, queue count change happens when link is brought up\n"); 395887324e74SHenry Tieman goto done; 395987324e74SHenry Tieman } 396087324e74SHenry Tieman 396187324e74SHenry Tieman ice_vsi_close(vsi); 39626624e780SMichal Swiatkowski ice_vsi_rebuild(vsi, ICE_VSI_FLAG_NO_INIT); 3963a6a0974aSDave Ertman ice_pf_dcb_recfg(pf, locked); 396487324e74SHenry Tieman ice_vsi_open(vsi); 396587324e74SHenry Tieman done: 39667e408e07SAnirudh Venkataramanan clear_bit(ICE_CFG_BUSY, pf->state); 396787324e74SHenry Tieman return err; 396887324e74SHenry Tieman } 396987324e74SHenry Tieman 397087324e74SHenry Tieman /** 3971cd1f56f4SBrett Creeley * ice_set_safe_mode_vlan_cfg - configure PF VSI to allow all VLANs in safe mode 3972cd1f56f4SBrett Creeley * @pf: PF to configure 3973cd1f56f4SBrett Creeley * 3974cd1f56f4SBrett Creeley * No VLAN offloads/filtering are advertised in safe mode so make sure the PF 3975cd1f56f4SBrett Creeley * VSI can still Tx/Rx VLAN tagged packets. 3976cd1f56f4SBrett Creeley */ 3977cd1f56f4SBrett Creeley static void ice_set_safe_mode_vlan_cfg(struct ice_pf *pf) 3978cd1f56f4SBrett Creeley { 3979cd1f56f4SBrett Creeley struct ice_vsi *vsi = ice_get_main_vsi(pf); 3980cd1f56f4SBrett Creeley struct ice_vsi_ctx *ctxt; 3981cd1f56f4SBrett Creeley struct ice_hw *hw; 39825518ac2aSTony Nguyen int status; 3983cd1f56f4SBrett Creeley 3984cd1f56f4SBrett Creeley if (!vsi) 3985cd1f56f4SBrett Creeley return; 3986cd1f56f4SBrett Creeley 3987cd1f56f4SBrett Creeley ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 3988cd1f56f4SBrett Creeley if (!ctxt) 3989cd1f56f4SBrett Creeley return; 3990cd1f56f4SBrett Creeley 3991cd1f56f4SBrett Creeley hw = &pf->hw; 3992cd1f56f4SBrett Creeley ctxt->info = vsi->info; 3993cd1f56f4SBrett Creeley 3994cd1f56f4SBrett Creeley ctxt->info.valid_sections = 3995cd1f56f4SBrett Creeley cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID | 3996cd1f56f4SBrett Creeley ICE_AQ_VSI_PROP_SECURITY_VALID | 3997cd1f56f4SBrett Creeley ICE_AQ_VSI_PROP_SW_VALID); 3998cd1f56f4SBrett Creeley 3999cd1f56f4SBrett Creeley /* disable VLAN anti-spoof */ 4000cd1f56f4SBrett Creeley ctxt->info.sec_flags &= ~(ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 4001cd1f56f4SBrett Creeley ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S); 4002cd1f56f4SBrett Creeley 4003cd1f56f4SBrett Creeley /* disable VLAN pruning and keep all other settings */ 4004cd1f56f4SBrett Creeley ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 4005cd1f56f4SBrett Creeley 4006cd1f56f4SBrett Creeley /* allow all VLANs on Tx and don't strip on Rx */ 40077bd527aaSBrett Creeley ctxt->info.inner_vlan_flags = ICE_AQ_VSI_INNER_VLAN_TX_MODE_ALL | 40087bd527aaSBrett Creeley ICE_AQ_VSI_INNER_VLAN_EMODE_NOTHING; 4009cd1f56f4SBrett Creeley 4010cd1f56f4SBrett Creeley status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 4011cd1f56f4SBrett Creeley if (status) { 40125f87ec48STony Nguyen dev_err(ice_pf_to_dev(vsi->back), "Failed to update VSI for safe mode VLANs, err %d aq_err %s\n", 40135518ac2aSTony Nguyen status, ice_aq_str(hw->adminq.sq_last_status)); 4014cd1f56f4SBrett Creeley } else { 4015cd1f56f4SBrett Creeley vsi->info.sec_flags = ctxt->info.sec_flags; 4016cd1f56f4SBrett Creeley vsi->info.sw_flags2 = ctxt->info.sw_flags2; 40177bd527aaSBrett Creeley vsi->info.inner_vlan_flags = ctxt->info.inner_vlan_flags; 4018cd1f56f4SBrett Creeley } 4019cd1f56f4SBrett Creeley 4020cd1f56f4SBrett Creeley kfree(ctxt); 4021cd1f56f4SBrett Creeley } 4022cd1f56f4SBrett Creeley 4023cd1f56f4SBrett Creeley /** 4024462acf6aSTony Nguyen * ice_log_pkg_init - log result of DDP package load 4025462acf6aSTony Nguyen * @hw: pointer to hardware info 4026247dd97dSWojciech Drewek * @state: state of package load 4027462acf6aSTony Nguyen */ 4028247dd97dSWojciech Drewek static void ice_log_pkg_init(struct ice_hw *hw, enum ice_ddp_state state) 4029462acf6aSTony Nguyen { 4030247dd97dSWojciech Drewek struct ice_pf *pf = hw->back; 4031247dd97dSWojciech Drewek struct device *dev; 4032462acf6aSTony Nguyen 4033247dd97dSWojciech Drewek dev = ice_pf_to_dev(pf); 4034247dd97dSWojciech Drewek 4035247dd97dSWojciech Drewek switch (state) { 4036247dd97dSWojciech Drewek case ICE_DDP_PKG_SUCCESS: 403719cce2c6SAnirudh Venkataramanan dev_info(dev, "The DDP package was successfully loaded: %s version %d.%d.%d.%d\n", 4038462acf6aSTony Nguyen hw->active_pkg_name, 4039462acf6aSTony Nguyen hw->active_pkg_ver.major, 4040462acf6aSTony Nguyen hw->active_pkg_ver.minor, 4041462acf6aSTony Nguyen hw->active_pkg_ver.update, 4042462acf6aSTony Nguyen hw->active_pkg_ver.draft); 4043247dd97dSWojciech Drewek break; 4044247dd97dSWojciech Drewek case ICE_DDP_PKG_SAME_VERSION_ALREADY_LOADED: 4045247dd97dSWojciech Drewek dev_info(dev, "DDP package already present on device: %s version %d.%d.%d.%d\n", 4046247dd97dSWojciech Drewek hw->active_pkg_name, 4047247dd97dSWojciech Drewek hw->active_pkg_ver.major, 4048247dd97dSWojciech Drewek hw->active_pkg_ver.minor, 4049247dd97dSWojciech Drewek hw->active_pkg_ver.update, 4050247dd97dSWojciech Drewek hw->active_pkg_ver.draft); 4051247dd97dSWojciech Drewek break; 4052247dd97dSWojciech Drewek case ICE_DDP_PKG_ALREADY_LOADED_NOT_SUPPORTED: 405319cce2c6SAnirudh Venkataramanan dev_err(dev, "The device has a DDP package that is not supported by the driver. The device has package '%s' version %d.%d.x.x. The driver requires version %d.%d.x.x. Entering Safe Mode.\n", 4054462acf6aSTony Nguyen hw->active_pkg_name, 4055462acf6aSTony Nguyen hw->active_pkg_ver.major, 4056462acf6aSTony Nguyen hw->active_pkg_ver.minor, 4057462acf6aSTony Nguyen ICE_PKG_SUPP_VER_MAJ, ICE_PKG_SUPP_VER_MNR); 4058247dd97dSWojciech Drewek break; 4059247dd97dSWojciech Drewek case ICE_DDP_PKG_COMPATIBLE_ALREADY_LOADED: 406019cce2c6SAnirudh Venkataramanan dev_info(dev, "The driver could not load the DDP package file because a compatible DDP package is already present on the device. The device has package '%s' version %d.%d.%d.%d. The package file found by the driver: '%s' version %d.%d.%d.%d.\n", 4061462acf6aSTony Nguyen hw->active_pkg_name, 4062462acf6aSTony Nguyen hw->active_pkg_ver.major, 4063462acf6aSTony Nguyen hw->active_pkg_ver.minor, 4064462acf6aSTony Nguyen hw->active_pkg_ver.update, 4065462acf6aSTony Nguyen hw->active_pkg_ver.draft, 4066462acf6aSTony Nguyen hw->pkg_name, 4067462acf6aSTony Nguyen hw->pkg_ver.major, 4068462acf6aSTony Nguyen hw->pkg_ver.minor, 4069462acf6aSTony Nguyen hw->pkg_ver.update, 4070462acf6aSTony Nguyen hw->pkg_ver.draft); 4071462acf6aSTony Nguyen break; 4072247dd97dSWojciech Drewek case ICE_DDP_PKG_FW_MISMATCH: 4073b8272919SVictor Raj dev_err(dev, "The firmware loaded on the device is not compatible with the DDP package. Please update the device's NVM. Entering safe mode.\n"); 4074b8272919SVictor Raj break; 4075247dd97dSWojciech Drewek case ICE_DDP_PKG_INVALID_FILE: 407619cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file is invalid. Entering Safe Mode.\n"); 4077462acf6aSTony Nguyen break; 4078247dd97dSWojciech Drewek case ICE_DDP_PKG_FILE_VERSION_TOO_HIGH: 407919cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file version is higher than the driver supports. Please use an updated driver. Entering Safe Mode.\n"); 4080247dd97dSWojciech Drewek break; 4081247dd97dSWojciech Drewek case ICE_DDP_PKG_FILE_VERSION_TOO_LOW: 408219cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file version is lower than the driver supports. The driver requires version %d.%d.x.x. Please use an updated DDP Package file. Entering Safe Mode.\n", 4083462acf6aSTony Nguyen ICE_PKG_SUPP_VER_MAJ, ICE_PKG_SUPP_VER_MNR); 4084462acf6aSTony Nguyen break; 4085247dd97dSWojciech Drewek case ICE_DDP_PKG_FILE_SIGNATURE_INVALID: 408619cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package could not be loaded because its signature is not valid. Please use a valid DDP Package. Entering Safe Mode.\n"); 4087247dd97dSWojciech Drewek break; 4088247dd97dSWojciech Drewek case ICE_DDP_PKG_FILE_REVISION_TOO_LOW: 408919cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP Package could not be loaded because its security revision is too low. Please use an updated DDP Package. Entering Safe Mode.\n"); 4090247dd97dSWojciech Drewek break; 4091247dd97dSWojciech Drewek case ICE_DDP_PKG_LOAD_ERROR: 409219cce2c6SAnirudh Venkataramanan dev_err(dev, "An error occurred on the device while loading the DDP package. The device will be reset.\n"); 40939918f2d2SAnirudh Venkataramanan /* poll for reset to complete */ 40949918f2d2SAnirudh Venkataramanan if (ice_check_reset(hw)) 40959918f2d2SAnirudh Venkataramanan dev_err(dev, "Error resetting device. Please reload the driver\n"); 4096462acf6aSTony Nguyen break; 4097247dd97dSWojciech Drewek case ICE_DDP_PKG_ERR: 4098462acf6aSTony Nguyen default: 4099247dd97dSWojciech Drewek dev_err(dev, "An unknown error occurred when loading the DDP package. Entering Safe Mode.\n"); 41000092db5fSJesse Brandeburg break; 4101462acf6aSTony Nguyen } 4102462acf6aSTony Nguyen } 4103462acf6aSTony Nguyen 4104462acf6aSTony Nguyen /** 4105462acf6aSTony Nguyen * ice_load_pkg - load/reload the DDP Package file 4106462acf6aSTony Nguyen * @firmware: firmware structure when firmware requested or NULL for reload 4107462acf6aSTony Nguyen * @pf: pointer to the PF instance 4108462acf6aSTony Nguyen * 4109462acf6aSTony Nguyen * Called on probe and post CORER/GLOBR rebuild to load DDP Package and 4110462acf6aSTony Nguyen * initialize HW tables. 4111462acf6aSTony Nguyen */ 4112462acf6aSTony Nguyen static void 4113462acf6aSTony Nguyen ice_load_pkg(const struct firmware *firmware, struct ice_pf *pf) 4114462acf6aSTony Nguyen { 4115247dd97dSWojciech Drewek enum ice_ddp_state state = ICE_DDP_PKG_ERR; 41164015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 4117462acf6aSTony Nguyen struct ice_hw *hw = &pf->hw; 4118462acf6aSTony Nguyen 4119462acf6aSTony Nguyen /* Load DDP Package */ 4120462acf6aSTony Nguyen if (firmware && !hw->pkg_copy) { 4121247dd97dSWojciech Drewek state = ice_copy_and_init_pkg(hw, firmware->data, 4122462acf6aSTony Nguyen firmware->size); 4123247dd97dSWojciech Drewek ice_log_pkg_init(hw, state); 4124462acf6aSTony Nguyen } else if (!firmware && hw->pkg_copy) { 4125462acf6aSTony Nguyen /* Reload package during rebuild after CORER/GLOBR reset */ 4126247dd97dSWojciech Drewek state = ice_init_pkg(hw, hw->pkg_copy, hw->pkg_size); 4127247dd97dSWojciech Drewek ice_log_pkg_init(hw, state); 4128462acf6aSTony Nguyen } else { 412919cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file failed to load. Entering Safe Mode.\n"); 4130462acf6aSTony Nguyen } 4131462acf6aSTony Nguyen 4132247dd97dSWojciech Drewek if (!ice_is_init_pkg_successful(state)) { 4133462acf6aSTony Nguyen /* Safe Mode */ 4134462acf6aSTony Nguyen clear_bit(ICE_FLAG_ADV_FEATURES, pf->flags); 4135462acf6aSTony Nguyen return; 4136462acf6aSTony Nguyen } 4137462acf6aSTony Nguyen 4138462acf6aSTony Nguyen /* Successful download package is the precondition for advanced 4139462acf6aSTony Nguyen * features, hence setting the ICE_FLAG_ADV_FEATURES flag 4140462acf6aSTony Nguyen */ 4141462acf6aSTony Nguyen set_bit(ICE_FLAG_ADV_FEATURES, pf->flags); 4142462acf6aSTony Nguyen } 4143462acf6aSTony Nguyen 4144462acf6aSTony Nguyen /** 4145c585ea42SBrett Creeley * ice_verify_cacheline_size - verify driver's assumption of 64 Byte cache lines 4146c585ea42SBrett Creeley * @pf: pointer to the PF structure 4147c585ea42SBrett Creeley * 4148c585ea42SBrett Creeley * There is no error returned here because the driver should be able to handle 4149c585ea42SBrett Creeley * 128 Byte cache lines, so we only print a warning in case issues are seen, 4150c585ea42SBrett Creeley * specifically with Tx. 4151c585ea42SBrett Creeley */ 4152c585ea42SBrett Creeley static void ice_verify_cacheline_size(struct ice_pf *pf) 4153c585ea42SBrett Creeley { 4154c585ea42SBrett Creeley if (rd32(&pf->hw, GLPCI_CNF2) & GLPCI_CNF2_CACHELINE_SIZE_M) 415519cce2c6SAnirudh Venkataramanan dev_warn(ice_pf_to_dev(pf), "%d Byte cache line assumption is invalid, driver may have Tx timeouts!\n", 4156c585ea42SBrett Creeley ICE_CACHE_LINE_BYTES); 4157c585ea42SBrett Creeley } 4158c585ea42SBrett Creeley 4159c585ea42SBrett Creeley /** 4160e3710a01SPaul M Stillwell Jr * ice_send_version - update firmware with driver version 4161e3710a01SPaul M Stillwell Jr * @pf: PF struct 4162e3710a01SPaul M Stillwell Jr * 4163d54699e2STony Nguyen * Returns 0 on success, else error code 4164e3710a01SPaul M Stillwell Jr */ 41655e24d598STony Nguyen static int ice_send_version(struct ice_pf *pf) 4166e3710a01SPaul M Stillwell Jr { 4167e3710a01SPaul M Stillwell Jr struct ice_driver_ver dv; 4168e3710a01SPaul M Stillwell Jr 416934a2a3b8SJeff Kirsher dv.major_ver = 0xff; 417034a2a3b8SJeff Kirsher dv.minor_ver = 0xff; 417134a2a3b8SJeff Kirsher dv.build_ver = 0xff; 4172e3710a01SPaul M Stillwell Jr dv.subbuild_ver = 0; 417334a2a3b8SJeff Kirsher strscpy((char *)dv.driver_string, UTS_RELEASE, 4174e3710a01SPaul M Stillwell Jr sizeof(dv.driver_string)); 4175e3710a01SPaul M Stillwell Jr return ice_aq_send_driver_ver(&pf->hw, &dv, NULL); 4176e3710a01SPaul M Stillwell Jr } 4177e3710a01SPaul M Stillwell Jr 4178e3710a01SPaul M Stillwell Jr /** 4179148beb61SHenry Tieman * ice_init_fdir - Initialize flow director VSI and configuration 4180148beb61SHenry Tieman * @pf: pointer to the PF instance 4181148beb61SHenry Tieman * 4182148beb61SHenry Tieman * returns 0 on success, negative on error 4183148beb61SHenry Tieman */ 4184148beb61SHenry Tieman static int ice_init_fdir(struct ice_pf *pf) 4185148beb61SHenry Tieman { 4186148beb61SHenry Tieman struct device *dev = ice_pf_to_dev(pf); 4187148beb61SHenry Tieman struct ice_vsi *ctrl_vsi; 4188148beb61SHenry Tieman int err; 4189148beb61SHenry Tieman 4190148beb61SHenry Tieman /* Side Band Flow Director needs to have a control VSI. 4191148beb61SHenry Tieman * Allocate it and store it in the PF. 4192148beb61SHenry Tieman */ 4193148beb61SHenry Tieman ctrl_vsi = ice_ctrl_vsi_setup(pf, pf->hw.port_info); 4194148beb61SHenry Tieman if (!ctrl_vsi) { 4195148beb61SHenry Tieman dev_dbg(dev, "could not create control VSI\n"); 4196148beb61SHenry Tieman return -ENOMEM; 4197148beb61SHenry Tieman } 4198148beb61SHenry Tieman 4199148beb61SHenry Tieman err = ice_vsi_open_ctrl(ctrl_vsi); 4200148beb61SHenry Tieman if (err) { 4201148beb61SHenry Tieman dev_dbg(dev, "could not open control VSI\n"); 4202148beb61SHenry Tieman goto err_vsi_open; 4203148beb61SHenry Tieman } 4204148beb61SHenry Tieman 4205148beb61SHenry Tieman mutex_init(&pf->hw.fdir_fltr_lock); 4206148beb61SHenry Tieman 4207148beb61SHenry Tieman err = ice_fdir_create_dflt_rules(pf); 4208148beb61SHenry Tieman if (err) 4209148beb61SHenry Tieman goto err_fdir_rule; 4210148beb61SHenry Tieman 4211148beb61SHenry Tieman return 0; 4212148beb61SHenry Tieman 4213148beb61SHenry Tieman err_fdir_rule: 4214148beb61SHenry Tieman ice_fdir_release_flows(&pf->hw); 4215148beb61SHenry Tieman ice_vsi_close(ctrl_vsi); 4216148beb61SHenry Tieman err_vsi_open: 4217148beb61SHenry Tieman ice_vsi_release(ctrl_vsi); 4218148beb61SHenry Tieman if (pf->ctrl_vsi_idx != ICE_NO_VSI) { 4219148beb61SHenry Tieman pf->vsi[pf->ctrl_vsi_idx] = NULL; 4220148beb61SHenry Tieman pf->ctrl_vsi_idx = ICE_NO_VSI; 4221148beb61SHenry Tieman } 4222148beb61SHenry Tieman return err; 4223148beb61SHenry Tieman } 4224148beb61SHenry Tieman 42255b246e53SMichal Swiatkowski static void ice_deinit_fdir(struct ice_pf *pf) 42265b246e53SMichal Swiatkowski { 42275b246e53SMichal Swiatkowski struct ice_vsi *vsi = ice_get_ctrl_vsi(pf); 42285b246e53SMichal Swiatkowski 42295b246e53SMichal Swiatkowski if (!vsi) 42305b246e53SMichal Swiatkowski return; 42315b246e53SMichal Swiatkowski 42325b246e53SMichal Swiatkowski ice_vsi_manage_fdir(vsi, false); 42335b246e53SMichal Swiatkowski ice_vsi_release(vsi); 42345b246e53SMichal Swiatkowski if (pf->ctrl_vsi_idx != ICE_NO_VSI) { 42355b246e53SMichal Swiatkowski pf->vsi[pf->ctrl_vsi_idx] = NULL; 42365b246e53SMichal Swiatkowski pf->ctrl_vsi_idx = ICE_NO_VSI; 42375b246e53SMichal Swiatkowski } 42385b246e53SMichal Swiatkowski 42395b246e53SMichal Swiatkowski mutex_destroy(&(&pf->hw)->fdir_fltr_lock); 42405b246e53SMichal Swiatkowski } 42415b246e53SMichal Swiatkowski 4242148beb61SHenry Tieman /** 4243462acf6aSTony Nguyen * ice_get_opt_fw_name - return optional firmware file name or NULL 4244462acf6aSTony Nguyen * @pf: pointer to the PF instance 4245462acf6aSTony Nguyen */ 4246462acf6aSTony Nguyen static char *ice_get_opt_fw_name(struct ice_pf *pf) 4247462acf6aSTony Nguyen { 4248462acf6aSTony Nguyen /* Optional firmware name same as default with additional dash 4249462acf6aSTony Nguyen * followed by a EUI-64 identifier (PCIe Device Serial Number) 4250462acf6aSTony Nguyen */ 4251462acf6aSTony Nguyen struct pci_dev *pdev = pf->pdev; 4252ceb2f007SJacob Keller char *opt_fw_filename; 4253ceb2f007SJacob Keller u64 dsn; 4254462acf6aSTony Nguyen 4255462acf6aSTony Nguyen /* Determine the name of the optional file using the DSN (two 4256462acf6aSTony Nguyen * dwords following the start of the DSN Capability). 4257462acf6aSTony Nguyen */ 4258ceb2f007SJacob Keller dsn = pci_get_dsn(pdev); 4259ceb2f007SJacob Keller if (!dsn) 4260ceb2f007SJacob Keller return NULL; 4261ceb2f007SJacob Keller 4262462acf6aSTony Nguyen opt_fw_filename = kzalloc(NAME_MAX, GFP_KERNEL); 4263462acf6aSTony Nguyen if (!opt_fw_filename) 4264462acf6aSTony Nguyen return NULL; 4265462acf6aSTony Nguyen 42661a9c561aSPaul M Stillwell Jr snprintf(opt_fw_filename, NAME_MAX, "%sice-%016llx.pkg", 4267ceb2f007SJacob Keller ICE_DDP_PKG_PATH, dsn); 4268462acf6aSTony Nguyen 4269462acf6aSTony Nguyen return opt_fw_filename; 4270462acf6aSTony Nguyen } 4271462acf6aSTony Nguyen 4272462acf6aSTony Nguyen /** 4273462acf6aSTony Nguyen * ice_request_fw - Device initialization routine 4274462acf6aSTony Nguyen * @pf: pointer to the PF instance 4275462acf6aSTony Nguyen */ 4276462acf6aSTony Nguyen static void ice_request_fw(struct ice_pf *pf) 4277462acf6aSTony Nguyen { 4278462acf6aSTony Nguyen char *opt_fw_filename = ice_get_opt_fw_name(pf); 4279462acf6aSTony Nguyen const struct firmware *firmware = NULL; 42804015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 4281462acf6aSTony Nguyen int err = 0; 4282462acf6aSTony Nguyen 4283462acf6aSTony Nguyen /* optional device-specific DDP (if present) overrides the default DDP 4284462acf6aSTony Nguyen * package file. kernel logs a debug message if the file doesn't exist, 4285462acf6aSTony Nguyen * and warning messages for other errors. 4286462acf6aSTony Nguyen */ 4287462acf6aSTony Nguyen if (opt_fw_filename) { 4288462acf6aSTony Nguyen err = firmware_request_nowarn(&firmware, opt_fw_filename, dev); 4289462acf6aSTony Nguyen if (err) { 4290462acf6aSTony Nguyen kfree(opt_fw_filename); 4291462acf6aSTony Nguyen goto dflt_pkg_load; 4292462acf6aSTony Nguyen } 4293462acf6aSTony Nguyen 4294462acf6aSTony Nguyen /* request for firmware was successful. Download to device */ 4295462acf6aSTony Nguyen ice_load_pkg(firmware, pf); 4296462acf6aSTony Nguyen kfree(opt_fw_filename); 4297462acf6aSTony Nguyen release_firmware(firmware); 4298462acf6aSTony Nguyen return; 4299462acf6aSTony Nguyen } 4300462acf6aSTony Nguyen 4301462acf6aSTony Nguyen dflt_pkg_load: 4302462acf6aSTony Nguyen err = request_firmware(&firmware, ICE_DDP_PKG_FILE, dev); 4303462acf6aSTony Nguyen if (err) { 430419cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file was not found or could not be read. Entering Safe Mode\n"); 4305462acf6aSTony Nguyen return; 4306462acf6aSTony Nguyen } 4307462acf6aSTony Nguyen 4308462acf6aSTony Nguyen /* request for firmware was successful. Download to device */ 4309462acf6aSTony Nguyen ice_load_pkg(firmware, pf); 4310462acf6aSTony Nguyen release_firmware(firmware); 4311462acf6aSTony Nguyen } 4312462acf6aSTony Nguyen 4313462acf6aSTony Nguyen /** 4314769c500dSAkeem G Abodunrin * ice_print_wake_reason - show the wake up cause in the log 4315769c500dSAkeem G Abodunrin * @pf: pointer to the PF struct 4316769c500dSAkeem G Abodunrin */ 4317769c500dSAkeem G Abodunrin static void ice_print_wake_reason(struct ice_pf *pf) 4318769c500dSAkeem G Abodunrin { 4319769c500dSAkeem G Abodunrin u32 wus = pf->wakeup_reason; 4320769c500dSAkeem G Abodunrin const char *wake_str; 4321769c500dSAkeem G Abodunrin 4322769c500dSAkeem G Abodunrin /* if no wake event, nothing to print */ 4323769c500dSAkeem G Abodunrin if (!wus) 4324769c500dSAkeem G Abodunrin return; 4325769c500dSAkeem G Abodunrin 4326769c500dSAkeem G Abodunrin if (wus & PFPM_WUS_LNKC_M) 4327769c500dSAkeem G Abodunrin wake_str = "Link\n"; 4328769c500dSAkeem G Abodunrin else if (wus & PFPM_WUS_MAG_M) 4329769c500dSAkeem G Abodunrin wake_str = "Magic Packet\n"; 4330769c500dSAkeem G Abodunrin else if (wus & PFPM_WUS_MNG_M) 4331769c500dSAkeem G Abodunrin wake_str = "Management\n"; 4332769c500dSAkeem G Abodunrin else if (wus & PFPM_WUS_FW_RST_WK_M) 4333769c500dSAkeem G Abodunrin wake_str = "Firmware Reset\n"; 4334769c500dSAkeem G Abodunrin else 4335769c500dSAkeem G Abodunrin wake_str = "Unknown\n"; 4336769c500dSAkeem G Abodunrin 4337769c500dSAkeem G Abodunrin dev_info(ice_pf_to_dev(pf), "Wake reason: %s", wake_str); 4338769c500dSAkeem G Abodunrin } 4339769c500dSAkeem G Abodunrin 4340769c500dSAkeem G Abodunrin /** 4341418e5340SPaul M Stillwell Jr * ice_register_netdev - register netdev 43425b246e53SMichal Swiatkowski * @vsi: pointer to the VSI struct 43431e23f076SAnirudh Venkataramanan */ 43445b246e53SMichal Swiatkowski static int ice_register_netdev(struct ice_vsi *vsi) 43451e23f076SAnirudh Venkataramanan { 43465b246e53SMichal Swiatkowski int err; 43471e23f076SAnirudh Venkataramanan 43481e23f076SAnirudh Venkataramanan if (!vsi || !vsi->netdev) 43491e23f076SAnirudh Venkataramanan return -EIO; 43501e23f076SAnirudh Venkataramanan 43511e23f076SAnirudh Venkataramanan err = register_netdev(vsi->netdev); 43521e23f076SAnirudh Venkataramanan if (err) 43535b246e53SMichal Swiatkowski return err; 43541e23f076SAnirudh Venkataramanan 4355a476d72aSAnirudh Venkataramanan set_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state); 43561e23f076SAnirudh Venkataramanan netif_carrier_off(vsi->netdev); 43571e23f076SAnirudh Venkataramanan netif_tx_stop_all_queues(vsi->netdev); 43581e23f076SAnirudh Venkataramanan 43591e23f076SAnirudh Venkataramanan return 0; 43605b246e53SMichal Swiatkowski } 43615b246e53SMichal Swiatkowski 43625b246e53SMichal Swiatkowski static void ice_unregister_netdev(struct ice_vsi *vsi) 43635b246e53SMichal Swiatkowski { 43645b246e53SMichal Swiatkowski if (!vsi || !vsi->netdev) 43655b246e53SMichal Swiatkowski return; 43665b246e53SMichal Swiatkowski 43675b246e53SMichal Swiatkowski unregister_netdev(vsi->netdev); 43685b246e53SMichal Swiatkowski clear_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state); 43695b246e53SMichal Swiatkowski } 43705b246e53SMichal Swiatkowski 43715b246e53SMichal Swiatkowski /** 43725b246e53SMichal Swiatkowski * ice_cfg_netdev - Allocate, configure and register a netdev 43735b246e53SMichal Swiatkowski * @vsi: the VSI associated with the new netdev 43745b246e53SMichal Swiatkowski * 43755b246e53SMichal Swiatkowski * Returns 0 on success, negative value on failure 43765b246e53SMichal Swiatkowski */ 43775b246e53SMichal Swiatkowski static int ice_cfg_netdev(struct ice_vsi *vsi) 43785b246e53SMichal Swiatkowski { 43795b246e53SMichal Swiatkowski struct ice_netdev_priv *np; 43805b246e53SMichal Swiatkowski struct net_device *netdev; 43815b246e53SMichal Swiatkowski u8 mac_addr[ETH_ALEN]; 43825b246e53SMichal Swiatkowski 43835b246e53SMichal Swiatkowski netdev = alloc_etherdev_mqs(sizeof(*np), vsi->alloc_txq, 43845b246e53SMichal Swiatkowski vsi->alloc_rxq); 43855b246e53SMichal Swiatkowski if (!netdev) 43865b246e53SMichal Swiatkowski return -ENOMEM; 43875b246e53SMichal Swiatkowski 43885b246e53SMichal Swiatkowski set_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state); 43895b246e53SMichal Swiatkowski vsi->netdev = netdev; 43905b246e53SMichal Swiatkowski np = netdev_priv(netdev); 43915b246e53SMichal Swiatkowski np->vsi = vsi; 43925b246e53SMichal Swiatkowski 43935b246e53SMichal Swiatkowski ice_set_netdev_features(netdev); 4394b6a4103cSLorenzo Bianconi ice_set_ops(vsi); 43955b246e53SMichal Swiatkowski 43965b246e53SMichal Swiatkowski if (vsi->type == ICE_VSI_PF) { 43975b246e53SMichal Swiatkowski SET_NETDEV_DEV(netdev, ice_pf_to_dev(vsi->back)); 43985b246e53SMichal Swiatkowski ether_addr_copy(mac_addr, vsi->port_info->mac.perm_addr); 43995b246e53SMichal Swiatkowski eth_hw_addr_set(netdev, mac_addr); 44005b246e53SMichal Swiatkowski } 44015b246e53SMichal Swiatkowski 44025b246e53SMichal Swiatkowski netdev->priv_flags |= IFF_UNICAST_FLT; 44035b246e53SMichal Swiatkowski 44045b246e53SMichal Swiatkowski /* Setup netdev TC information */ 44055b246e53SMichal Swiatkowski ice_vsi_cfg_netdev_tc(vsi, vsi->tc_cfg.ena_tc); 44065b246e53SMichal Swiatkowski 44075b246e53SMichal Swiatkowski netdev->max_mtu = ICE_MAX_MTU; 44085b246e53SMichal Swiatkowski 44095b246e53SMichal Swiatkowski return 0; 44105b246e53SMichal Swiatkowski } 44115b246e53SMichal Swiatkowski 44125b246e53SMichal Swiatkowski static void ice_decfg_netdev(struct ice_vsi *vsi) 44135b246e53SMichal Swiatkowski { 44145b246e53SMichal Swiatkowski clear_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state); 44151e23f076SAnirudh Venkataramanan free_netdev(vsi->netdev); 44161e23f076SAnirudh Venkataramanan vsi->netdev = NULL; 44175b246e53SMichal Swiatkowski } 44185b246e53SMichal Swiatkowski 44195b246e53SMichal Swiatkowski static int ice_start_eth(struct ice_vsi *vsi) 44205b246e53SMichal Swiatkowski { 44215b246e53SMichal Swiatkowski int err; 44225b246e53SMichal Swiatkowski 44235b246e53SMichal Swiatkowski err = ice_init_mac_fltr(vsi->back); 44245b246e53SMichal Swiatkowski if (err) 44251e23f076SAnirudh Venkataramanan return err; 44265b246e53SMichal Swiatkowski 44275b246e53SMichal Swiatkowski err = ice_vsi_open(vsi); 4428b3e7b3a6SMichal Swiatkowski if (err) 4429b3e7b3a6SMichal Swiatkowski ice_fltr_remove_all(vsi); 44305b246e53SMichal Swiatkowski 44315b246e53SMichal Swiatkowski return err; 44325b246e53SMichal Swiatkowski } 44335b246e53SMichal Swiatkowski 44347d46c0e6SMichal Swiatkowski static void ice_stop_eth(struct ice_vsi *vsi) 44357d46c0e6SMichal Swiatkowski { 44367d46c0e6SMichal Swiatkowski ice_fltr_remove_all(vsi); 44377d46c0e6SMichal Swiatkowski ice_vsi_close(vsi); 44387d46c0e6SMichal Swiatkowski } 44397d46c0e6SMichal Swiatkowski 44405b246e53SMichal Swiatkowski static int ice_init_eth(struct ice_pf *pf) 44415b246e53SMichal Swiatkowski { 44425b246e53SMichal Swiatkowski struct ice_vsi *vsi = ice_get_main_vsi(pf); 44435b246e53SMichal Swiatkowski int err; 44445b246e53SMichal Swiatkowski 44455b246e53SMichal Swiatkowski if (!vsi) 44465b246e53SMichal Swiatkowski return -EINVAL; 44475b246e53SMichal Swiatkowski 44485b246e53SMichal Swiatkowski /* init channel list */ 44495b246e53SMichal Swiatkowski INIT_LIST_HEAD(&vsi->ch_list); 44505b246e53SMichal Swiatkowski 44515b246e53SMichal Swiatkowski err = ice_cfg_netdev(vsi); 44525b246e53SMichal Swiatkowski if (err) 44535b246e53SMichal Swiatkowski return err; 44545b246e53SMichal Swiatkowski /* Setup DCB netlink interface */ 44555b246e53SMichal Swiatkowski ice_dcbnl_setup(vsi); 44565b246e53SMichal Swiatkowski 44575b246e53SMichal Swiatkowski err = ice_init_mac_fltr(pf); 44585b246e53SMichal Swiatkowski if (err) 44595b246e53SMichal Swiatkowski goto err_init_mac_fltr; 44605b246e53SMichal Swiatkowski 44615b246e53SMichal Swiatkowski err = ice_devlink_create_pf_port(pf); 44625b246e53SMichal Swiatkowski if (err) 44635b246e53SMichal Swiatkowski goto err_devlink_create_pf_port; 44645b246e53SMichal Swiatkowski 44655b246e53SMichal Swiatkowski SET_NETDEV_DEVLINK_PORT(vsi->netdev, &pf->devlink_port); 44665b246e53SMichal Swiatkowski 44675b246e53SMichal Swiatkowski err = ice_register_netdev(vsi); 44685b246e53SMichal Swiatkowski if (err) 44695b246e53SMichal Swiatkowski goto err_register_netdev; 44705b246e53SMichal Swiatkowski 44715b246e53SMichal Swiatkowski err = ice_tc_indir_block_register(vsi); 44725b246e53SMichal Swiatkowski if (err) 44735b246e53SMichal Swiatkowski goto err_tc_indir_block_register; 44745b246e53SMichal Swiatkowski 44755b246e53SMichal Swiatkowski ice_napi_add(vsi); 44765b246e53SMichal Swiatkowski 44775b246e53SMichal Swiatkowski return 0; 44785b246e53SMichal Swiatkowski 44795b246e53SMichal Swiatkowski err_tc_indir_block_register: 44805b246e53SMichal Swiatkowski ice_unregister_netdev(vsi); 44815b246e53SMichal Swiatkowski err_register_netdev: 44825b246e53SMichal Swiatkowski ice_devlink_destroy_pf_port(pf); 44835b246e53SMichal Swiatkowski err_devlink_create_pf_port: 44845b246e53SMichal Swiatkowski err_init_mac_fltr: 44855b246e53SMichal Swiatkowski ice_decfg_netdev(vsi); 44865b246e53SMichal Swiatkowski return err; 44875b246e53SMichal Swiatkowski } 44885b246e53SMichal Swiatkowski 44895b246e53SMichal Swiatkowski static void ice_deinit_eth(struct ice_pf *pf) 44905b246e53SMichal Swiatkowski { 44915b246e53SMichal Swiatkowski struct ice_vsi *vsi = ice_get_main_vsi(pf); 44925b246e53SMichal Swiatkowski 44935b246e53SMichal Swiatkowski if (!vsi) 44945b246e53SMichal Swiatkowski return; 44955b246e53SMichal Swiatkowski 44965b246e53SMichal Swiatkowski ice_vsi_close(vsi); 44975b246e53SMichal Swiatkowski ice_unregister_netdev(vsi); 44985b246e53SMichal Swiatkowski ice_devlink_destroy_pf_port(pf); 44995b246e53SMichal Swiatkowski ice_tc_indir_block_unregister(vsi); 45005b246e53SMichal Swiatkowski ice_decfg_netdev(vsi); 45015b246e53SMichal Swiatkowski } 45025b246e53SMichal Swiatkowski 45035708155dSJan Sokolowski /** 45045708155dSJan Sokolowski * ice_wait_for_fw - wait for full FW readiness 45055708155dSJan Sokolowski * @hw: pointer to the hardware structure 45065708155dSJan Sokolowski * @timeout: milliseconds that can elapse before timing out 45075708155dSJan Sokolowski */ 45085708155dSJan Sokolowski static int ice_wait_for_fw(struct ice_hw *hw, u32 timeout) 45095708155dSJan Sokolowski { 45105708155dSJan Sokolowski int fw_loading; 45115708155dSJan Sokolowski u32 elapsed = 0; 45125708155dSJan Sokolowski 45135708155dSJan Sokolowski while (elapsed <= timeout) { 45145708155dSJan Sokolowski fw_loading = rd32(hw, GL_MNG_FWSM) & GL_MNG_FWSM_FW_LOADING_M; 45155708155dSJan Sokolowski 45165708155dSJan Sokolowski /* firmware was not yet loaded, we have to wait more */ 45175708155dSJan Sokolowski if (fw_loading) { 45185708155dSJan Sokolowski elapsed += 100; 45195708155dSJan Sokolowski msleep(100); 45205708155dSJan Sokolowski continue; 45215708155dSJan Sokolowski } 45225708155dSJan Sokolowski return 0; 45235708155dSJan Sokolowski } 45245708155dSJan Sokolowski 45255708155dSJan Sokolowski return -ETIMEDOUT; 45265708155dSJan Sokolowski } 45275708155dSJan Sokolowski 45285b246e53SMichal Swiatkowski static int ice_init_dev(struct ice_pf *pf) 45295b246e53SMichal Swiatkowski { 45305b246e53SMichal Swiatkowski struct device *dev = ice_pf_to_dev(pf); 45315b246e53SMichal Swiatkowski struct ice_hw *hw = &pf->hw; 45325b246e53SMichal Swiatkowski int err; 45335b246e53SMichal Swiatkowski 45345b246e53SMichal Swiatkowski err = ice_init_hw(hw); 45355b246e53SMichal Swiatkowski if (err) { 45365b246e53SMichal Swiatkowski dev_err(dev, "ice_init_hw failed: %d\n", err); 45375b246e53SMichal Swiatkowski return err; 45385b246e53SMichal Swiatkowski } 45395b246e53SMichal Swiatkowski 45405708155dSJan Sokolowski /* Some cards require longer initialization times 45415708155dSJan Sokolowski * due to necessity of loading FW from an external source. 45425708155dSJan Sokolowski * This can take even half a minute. 45435708155dSJan Sokolowski */ 45445708155dSJan Sokolowski if (ice_is_pf_c827(hw)) { 45455708155dSJan Sokolowski err = ice_wait_for_fw(hw, 30000); 45465708155dSJan Sokolowski if (err) { 45475708155dSJan Sokolowski dev_err(dev, "ice_wait_for_fw timed out"); 45485708155dSJan Sokolowski return err; 45495708155dSJan Sokolowski } 45505708155dSJan Sokolowski } 45515708155dSJan Sokolowski 45525b246e53SMichal Swiatkowski ice_init_feature_support(pf); 45535b246e53SMichal Swiatkowski 45545b246e53SMichal Swiatkowski ice_request_fw(pf); 45555b246e53SMichal Swiatkowski 45565b246e53SMichal Swiatkowski /* if ice_request_fw fails, ICE_FLAG_ADV_FEATURES bit won't be 45575b246e53SMichal Swiatkowski * set in pf->state, which will cause ice_is_safe_mode to return 45585b246e53SMichal Swiatkowski * true 45595b246e53SMichal Swiatkowski */ 45605b246e53SMichal Swiatkowski if (ice_is_safe_mode(pf)) { 45615b246e53SMichal Swiatkowski /* we already got function/device capabilities but these don't 45625b246e53SMichal Swiatkowski * reflect what the driver needs to do in safe mode. Instead of 45635b246e53SMichal Swiatkowski * adding conditional logic everywhere to ignore these 45645b246e53SMichal Swiatkowski * device/function capabilities, override them. 45655b246e53SMichal Swiatkowski */ 45665b246e53SMichal Swiatkowski ice_set_safe_mode_caps(hw); 45675b246e53SMichal Swiatkowski } 45685b246e53SMichal Swiatkowski 45695b246e53SMichal Swiatkowski err = ice_init_pf(pf); 45705b246e53SMichal Swiatkowski if (err) { 45715b246e53SMichal Swiatkowski dev_err(dev, "ice_init_pf failed: %d\n", err); 45725b246e53SMichal Swiatkowski goto err_init_pf; 45735b246e53SMichal Swiatkowski } 45745b246e53SMichal Swiatkowski 45755b246e53SMichal Swiatkowski pf->hw.udp_tunnel_nic.set_port = ice_udp_tunnel_set_port; 45765b246e53SMichal Swiatkowski pf->hw.udp_tunnel_nic.unset_port = ice_udp_tunnel_unset_port; 45775b246e53SMichal Swiatkowski pf->hw.udp_tunnel_nic.flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP; 45785b246e53SMichal Swiatkowski pf->hw.udp_tunnel_nic.shared = &pf->hw.udp_tunnel_shared; 45795b246e53SMichal Swiatkowski if (pf->hw.tnl.valid_count[TNL_VXLAN]) { 45805b246e53SMichal Swiatkowski pf->hw.udp_tunnel_nic.tables[0].n_entries = 45815b246e53SMichal Swiatkowski pf->hw.tnl.valid_count[TNL_VXLAN]; 45825b246e53SMichal Swiatkowski pf->hw.udp_tunnel_nic.tables[0].tunnel_types = 45835b246e53SMichal Swiatkowski UDP_TUNNEL_TYPE_VXLAN; 45845b246e53SMichal Swiatkowski } 45855b246e53SMichal Swiatkowski if (pf->hw.tnl.valid_count[TNL_GENEVE]) { 45865b246e53SMichal Swiatkowski pf->hw.udp_tunnel_nic.tables[1].n_entries = 45875b246e53SMichal Swiatkowski pf->hw.tnl.valid_count[TNL_GENEVE]; 45885b246e53SMichal Swiatkowski pf->hw.udp_tunnel_nic.tables[1].tunnel_types = 45895b246e53SMichal Swiatkowski UDP_TUNNEL_TYPE_GENEVE; 45905b246e53SMichal Swiatkowski } 45915b246e53SMichal Swiatkowski 45925b246e53SMichal Swiatkowski err = ice_init_interrupt_scheme(pf); 45935b246e53SMichal Swiatkowski if (err) { 45945b246e53SMichal Swiatkowski dev_err(dev, "ice_init_interrupt_scheme failed: %d\n", err); 45955b246e53SMichal Swiatkowski err = -EIO; 45965b246e53SMichal Swiatkowski goto err_init_interrupt_scheme; 45975b246e53SMichal Swiatkowski } 45985b246e53SMichal Swiatkowski 45995b246e53SMichal Swiatkowski /* In case of MSIX we are going to setup the misc vector right here 46005b246e53SMichal Swiatkowski * to handle admin queue events etc. In case of legacy and MSI 46015b246e53SMichal Swiatkowski * the misc functionality and queue processing is combined in 46025b246e53SMichal Swiatkowski * the same vector and that gets setup at open. 46035b246e53SMichal Swiatkowski */ 46045b246e53SMichal Swiatkowski err = ice_req_irq_msix_misc(pf); 46055b246e53SMichal Swiatkowski if (err) { 46065b246e53SMichal Swiatkowski dev_err(dev, "setup of misc vector failed: %d\n", err); 46075b246e53SMichal Swiatkowski goto err_req_irq_msix_misc; 46085b246e53SMichal Swiatkowski } 46095b246e53SMichal Swiatkowski 46105b246e53SMichal Swiatkowski return 0; 46115b246e53SMichal Swiatkowski 46125b246e53SMichal Swiatkowski err_req_irq_msix_misc: 46135b246e53SMichal Swiatkowski ice_clear_interrupt_scheme(pf); 46145b246e53SMichal Swiatkowski err_init_interrupt_scheme: 46155b246e53SMichal Swiatkowski ice_deinit_pf(pf); 46165b246e53SMichal Swiatkowski err_init_pf: 46175b246e53SMichal Swiatkowski ice_deinit_hw(hw); 46185b246e53SMichal Swiatkowski return err; 46195b246e53SMichal Swiatkowski } 46205b246e53SMichal Swiatkowski 46215b246e53SMichal Swiatkowski static void ice_deinit_dev(struct ice_pf *pf) 46225b246e53SMichal Swiatkowski { 46235b246e53SMichal Swiatkowski ice_free_irq_msix_misc(pf); 46245b246e53SMichal Swiatkowski ice_deinit_pf(pf); 46255b246e53SMichal Swiatkowski ice_deinit_hw(&pf->hw); 462624b454bcSJakub Buchocki 462724b454bcSJakub Buchocki /* Service task is already stopped, so call reset directly. */ 462824b454bcSJakub Buchocki ice_reset(&pf->hw, ICE_RESET_PFR); 462924b454bcSJakub Buchocki pci_wait_for_pending_transaction(pf->pdev); 463024b454bcSJakub Buchocki ice_clear_interrupt_scheme(pf); 46315b246e53SMichal Swiatkowski } 46325b246e53SMichal Swiatkowski 46335b246e53SMichal Swiatkowski static void ice_init_features(struct ice_pf *pf) 46345b246e53SMichal Swiatkowski { 46355b246e53SMichal Swiatkowski struct device *dev = ice_pf_to_dev(pf); 46365b246e53SMichal Swiatkowski 46375b246e53SMichal Swiatkowski if (ice_is_safe_mode(pf)) 46385b246e53SMichal Swiatkowski return; 46395b246e53SMichal Swiatkowski 46405b246e53SMichal Swiatkowski /* initialize DDP driven features */ 46415b246e53SMichal Swiatkowski if (test_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags)) 46425b246e53SMichal Swiatkowski ice_ptp_init(pf); 46435b246e53SMichal Swiatkowski 46445b246e53SMichal Swiatkowski if (ice_is_feature_supported(pf, ICE_F_GNSS)) 46455b246e53SMichal Swiatkowski ice_gnss_init(pf); 46465b246e53SMichal Swiatkowski 46475b246e53SMichal Swiatkowski /* Note: Flow director init failure is non-fatal to load */ 46485b246e53SMichal Swiatkowski if (ice_init_fdir(pf)) 46495b246e53SMichal Swiatkowski dev_err(dev, "could not initialize flow director\n"); 46505b246e53SMichal Swiatkowski 46515b246e53SMichal Swiatkowski /* Note: DCB init failure is non-fatal to load */ 46525b246e53SMichal Swiatkowski if (ice_init_pf_dcb(pf, false)) { 46535b246e53SMichal Swiatkowski clear_bit(ICE_FLAG_DCB_CAPABLE, pf->flags); 46545b246e53SMichal Swiatkowski clear_bit(ICE_FLAG_DCB_ENA, pf->flags); 46555b246e53SMichal Swiatkowski } else { 46565b246e53SMichal Swiatkowski ice_cfg_lldp_mib_change(&pf->hw, true); 46575b246e53SMichal Swiatkowski } 46585b246e53SMichal Swiatkowski 46595b246e53SMichal Swiatkowski if (ice_init_lag(pf)) 46605b246e53SMichal Swiatkowski dev_warn(dev, "Failed to init link aggregation support\n"); 46615b246e53SMichal Swiatkowski } 46625b246e53SMichal Swiatkowski 46635b246e53SMichal Swiatkowski static void ice_deinit_features(struct ice_pf *pf) 46645b246e53SMichal Swiatkowski { 46655b246e53SMichal Swiatkowski ice_deinit_lag(pf); 46665b246e53SMichal Swiatkowski if (test_bit(ICE_FLAG_DCB_CAPABLE, pf->flags)) 46675b246e53SMichal Swiatkowski ice_cfg_lldp_mib_change(&pf->hw, false); 46685b246e53SMichal Swiatkowski ice_deinit_fdir(pf); 46695b246e53SMichal Swiatkowski if (ice_is_feature_supported(pf, ICE_F_GNSS)) 46705b246e53SMichal Swiatkowski ice_gnss_exit(pf); 46715b246e53SMichal Swiatkowski if (test_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags)) 46725b246e53SMichal Swiatkowski ice_ptp_release(pf); 46735b246e53SMichal Swiatkowski } 46745b246e53SMichal Swiatkowski 46755b246e53SMichal Swiatkowski static void ice_init_wakeup(struct ice_pf *pf) 46765b246e53SMichal Swiatkowski { 46775b246e53SMichal Swiatkowski /* Save wakeup reason register for later use */ 46785b246e53SMichal Swiatkowski pf->wakeup_reason = rd32(&pf->hw, PFPM_WUS); 46795b246e53SMichal Swiatkowski 46805b246e53SMichal Swiatkowski /* check for a power management event */ 46815b246e53SMichal Swiatkowski ice_print_wake_reason(pf); 46825b246e53SMichal Swiatkowski 46835b246e53SMichal Swiatkowski /* clear wake status, all bits */ 46845b246e53SMichal Swiatkowski wr32(&pf->hw, PFPM_WUS, U32_MAX); 46855b246e53SMichal Swiatkowski 46865b246e53SMichal Swiatkowski /* Disable WoL at init, wait for user to enable */ 46875b246e53SMichal Swiatkowski device_set_wakeup_enable(ice_pf_to_dev(pf), false); 46885b246e53SMichal Swiatkowski } 46895b246e53SMichal Swiatkowski 46905b246e53SMichal Swiatkowski static int ice_init_link(struct ice_pf *pf) 46915b246e53SMichal Swiatkowski { 46925b246e53SMichal Swiatkowski struct device *dev = ice_pf_to_dev(pf); 46935b246e53SMichal Swiatkowski int err; 46945b246e53SMichal Swiatkowski 46955b246e53SMichal Swiatkowski err = ice_init_link_events(pf->hw.port_info); 46965b246e53SMichal Swiatkowski if (err) { 46975b246e53SMichal Swiatkowski dev_err(dev, "ice_init_link_events failed: %d\n", err); 46985b246e53SMichal Swiatkowski return err; 46995b246e53SMichal Swiatkowski } 47005b246e53SMichal Swiatkowski 47015b246e53SMichal Swiatkowski /* not a fatal error if this fails */ 47025b246e53SMichal Swiatkowski err = ice_init_nvm_phy_type(pf->hw.port_info); 47035b246e53SMichal Swiatkowski if (err) 47045b246e53SMichal Swiatkowski dev_err(dev, "ice_init_nvm_phy_type failed: %d\n", err); 47055b246e53SMichal Swiatkowski 47065b246e53SMichal Swiatkowski /* not a fatal error if this fails */ 47075b246e53SMichal Swiatkowski err = ice_update_link_info(pf->hw.port_info); 47085b246e53SMichal Swiatkowski if (err) 47095b246e53SMichal Swiatkowski dev_err(dev, "ice_update_link_info failed: %d\n", err); 47105b246e53SMichal Swiatkowski 47115b246e53SMichal Swiatkowski ice_init_link_dflt_override(pf->hw.port_info); 47125b246e53SMichal Swiatkowski 47135b246e53SMichal Swiatkowski ice_check_link_cfg_err(pf, 47145b246e53SMichal Swiatkowski pf->hw.port_info->phy.link_info.link_cfg_err); 47155b246e53SMichal Swiatkowski 47165b246e53SMichal Swiatkowski /* if media available, initialize PHY settings */ 47175b246e53SMichal Swiatkowski if (pf->hw.port_info->phy.link_info.link_info & 47185b246e53SMichal Swiatkowski ICE_AQ_MEDIA_AVAILABLE) { 47195b246e53SMichal Swiatkowski /* not a fatal error if this fails */ 47205b246e53SMichal Swiatkowski err = ice_init_phy_user_cfg(pf->hw.port_info); 47215b246e53SMichal Swiatkowski if (err) 47225b246e53SMichal Swiatkowski dev_err(dev, "ice_init_phy_user_cfg failed: %d\n", err); 47235b246e53SMichal Swiatkowski 47245b246e53SMichal Swiatkowski if (!test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags)) { 47255b246e53SMichal Swiatkowski struct ice_vsi *vsi = ice_get_main_vsi(pf); 47265b246e53SMichal Swiatkowski 47275b246e53SMichal Swiatkowski if (vsi) 47285b246e53SMichal Swiatkowski ice_configure_phy(vsi); 47295b246e53SMichal Swiatkowski } 47305b246e53SMichal Swiatkowski } else { 47315b246e53SMichal Swiatkowski set_bit(ICE_FLAG_NO_MEDIA, pf->flags); 47325b246e53SMichal Swiatkowski } 47335b246e53SMichal Swiatkowski 47345b246e53SMichal Swiatkowski return err; 47355b246e53SMichal Swiatkowski } 47365b246e53SMichal Swiatkowski 47375b246e53SMichal Swiatkowski static int ice_init_pf_sw(struct ice_pf *pf) 47385b246e53SMichal Swiatkowski { 47395b246e53SMichal Swiatkowski bool dvm = ice_is_dvm_ena(&pf->hw); 47405b246e53SMichal Swiatkowski struct ice_vsi *vsi; 47415b246e53SMichal Swiatkowski int err; 47425b246e53SMichal Swiatkowski 47435b246e53SMichal Swiatkowski /* create switch struct for the switch element created by FW on boot */ 47445b246e53SMichal Swiatkowski pf->first_sw = kzalloc(sizeof(*pf->first_sw), GFP_KERNEL); 47455b246e53SMichal Swiatkowski if (!pf->first_sw) 47465b246e53SMichal Swiatkowski return -ENOMEM; 47475b246e53SMichal Swiatkowski 47485b246e53SMichal Swiatkowski if (pf->hw.evb_veb) 47495b246e53SMichal Swiatkowski pf->first_sw->bridge_mode = BRIDGE_MODE_VEB; 47505b246e53SMichal Swiatkowski else 47515b246e53SMichal Swiatkowski pf->first_sw->bridge_mode = BRIDGE_MODE_VEPA; 47525b246e53SMichal Swiatkowski 47535b246e53SMichal Swiatkowski pf->first_sw->pf = pf; 47545b246e53SMichal Swiatkowski 47555b246e53SMichal Swiatkowski /* record the sw_id available for later use */ 47565b246e53SMichal Swiatkowski pf->first_sw->sw_id = pf->hw.port_info->sw_id; 47575b246e53SMichal Swiatkowski 47585b246e53SMichal Swiatkowski err = ice_aq_set_port_params(pf->hw.port_info, dvm, NULL); 47595b246e53SMichal Swiatkowski if (err) 47605b246e53SMichal Swiatkowski goto err_aq_set_port_params; 47615b246e53SMichal Swiatkowski 47625b246e53SMichal Swiatkowski vsi = ice_pf_vsi_setup(pf, pf->hw.port_info); 47635b246e53SMichal Swiatkowski if (!vsi) { 47645b246e53SMichal Swiatkowski err = -ENOMEM; 47655b246e53SMichal Swiatkowski goto err_pf_vsi_setup; 47665b246e53SMichal Swiatkowski } 47675b246e53SMichal Swiatkowski 47685b246e53SMichal Swiatkowski return 0; 47695b246e53SMichal Swiatkowski 47705b246e53SMichal Swiatkowski err_pf_vsi_setup: 47715b246e53SMichal Swiatkowski err_aq_set_port_params: 47725b246e53SMichal Swiatkowski kfree(pf->first_sw); 47735b246e53SMichal Swiatkowski return err; 47745b246e53SMichal Swiatkowski } 47755b246e53SMichal Swiatkowski 47765b246e53SMichal Swiatkowski static void ice_deinit_pf_sw(struct ice_pf *pf) 47775b246e53SMichal Swiatkowski { 47785b246e53SMichal Swiatkowski struct ice_vsi *vsi = ice_get_main_vsi(pf); 47795b246e53SMichal Swiatkowski 47805b246e53SMichal Swiatkowski if (!vsi) 47815b246e53SMichal Swiatkowski return; 47825b246e53SMichal Swiatkowski 47835b246e53SMichal Swiatkowski ice_vsi_release(vsi); 47845b246e53SMichal Swiatkowski kfree(pf->first_sw); 47855b246e53SMichal Swiatkowski } 47865b246e53SMichal Swiatkowski 47875b246e53SMichal Swiatkowski static int ice_alloc_vsis(struct ice_pf *pf) 47885b246e53SMichal Swiatkowski { 47895b246e53SMichal Swiatkowski struct device *dev = ice_pf_to_dev(pf); 47905b246e53SMichal Swiatkowski 47915b246e53SMichal Swiatkowski pf->num_alloc_vsi = pf->hw.func_caps.guar_num_vsi; 47925b246e53SMichal Swiatkowski if (!pf->num_alloc_vsi) 47935b246e53SMichal Swiatkowski return -EIO; 47945b246e53SMichal Swiatkowski 47955b246e53SMichal Swiatkowski if (pf->num_alloc_vsi > UDP_TUNNEL_NIC_MAX_SHARING_DEVICES) { 47965b246e53SMichal Swiatkowski dev_warn(dev, 47975b246e53SMichal Swiatkowski "limiting the VSI count due to UDP tunnel limitation %d > %d\n", 47985b246e53SMichal Swiatkowski pf->num_alloc_vsi, UDP_TUNNEL_NIC_MAX_SHARING_DEVICES); 47995b246e53SMichal Swiatkowski pf->num_alloc_vsi = UDP_TUNNEL_NIC_MAX_SHARING_DEVICES; 48005b246e53SMichal Swiatkowski } 48015b246e53SMichal Swiatkowski 48025b246e53SMichal Swiatkowski pf->vsi = devm_kcalloc(dev, pf->num_alloc_vsi, sizeof(*pf->vsi), 48035b246e53SMichal Swiatkowski GFP_KERNEL); 48045b246e53SMichal Swiatkowski if (!pf->vsi) 48055b246e53SMichal Swiatkowski return -ENOMEM; 48065b246e53SMichal Swiatkowski 48075b246e53SMichal Swiatkowski pf->vsi_stats = devm_kcalloc(dev, pf->num_alloc_vsi, 48085b246e53SMichal Swiatkowski sizeof(*pf->vsi_stats), GFP_KERNEL); 48095b246e53SMichal Swiatkowski if (!pf->vsi_stats) { 48105b246e53SMichal Swiatkowski devm_kfree(dev, pf->vsi); 48115b246e53SMichal Swiatkowski return -ENOMEM; 48125b246e53SMichal Swiatkowski } 48135b246e53SMichal Swiatkowski 48145b246e53SMichal Swiatkowski return 0; 48155b246e53SMichal Swiatkowski } 48165b246e53SMichal Swiatkowski 48175b246e53SMichal Swiatkowski static void ice_dealloc_vsis(struct ice_pf *pf) 48185b246e53SMichal Swiatkowski { 48195b246e53SMichal Swiatkowski devm_kfree(ice_pf_to_dev(pf), pf->vsi_stats); 48205b246e53SMichal Swiatkowski pf->vsi_stats = NULL; 48215b246e53SMichal Swiatkowski 48225b246e53SMichal Swiatkowski pf->num_alloc_vsi = 0; 48235b246e53SMichal Swiatkowski devm_kfree(ice_pf_to_dev(pf), pf->vsi); 48245b246e53SMichal Swiatkowski pf->vsi = NULL; 48255b246e53SMichal Swiatkowski } 48265b246e53SMichal Swiatkowski 48275b246e53SMichal Swiatkowski static int ice_init_devlink(struct ice_pf *pf) 48285b246e53SMichal Swiatkowski { 48295b246e53SMichal Swiatkowski int err; 48305b246e53SMichal Swiatkowski 48315b246e53SMichal Swiatkowski err = ice_devlink_register_params(pf); 48325b246e53SMichal Swiatkowski if (err) 48335b246e53SMichal Swiatkowski return err; 48345b246e53SMichal Swiatkowski 48355b246e53SMichal Swiatkowski ice_devlink_init_regions(pf); 48365b246e53SMichal Swiatkowski ice_devlink_register(pf); 48375b246e53SMichal Swiatkowski 48385b246e53SMichal Swiatkowski return 0; 48395b246e53SMichal Swiatkowski } 48405b246e53SMichal Swiatkowski 48415b246e53SMichal Swiatkowski static void ice_deinit_devlink(struct ice_pf *pf) 48425b246e53SMichal Swiatkowski { 48435b246e53SMichal Swiatkowski ice_devlink_unregister(pf); 48445b246e53SMichal Swiatkowski ice_devlink_destroy_regions(pf); 48455b246e53SMichal Swiatkowski ice_devlink_unregister_params(pf); 48465b246e53SMichal Swiatkowski } 48475b246e53SMichal Swiatkowski 48485b246e53SMichal Swiatkowski static int ice_init(struct ice_pf *pf) 48495b246e53SMichal Swiatkowski { 48505b246e53SMichal Swiatkowski int err; 48515b246e53SMichal Swiatkowski 48525b246e53SMichal Swiatkowski err = ice_init_dev(pf); 48535b246e53SMichal Swiatkowski if (err) 48545b246e53SMichal Swiatkowski return err; 48555b246e53SMichal Swiatkowski 48565b246e53SMichal Swiatkowski err = ice_alloc_vsis(pf); 48575b246e53SMichal Swiatkowski if (err) 48585b246e53SMichal Swiatkowski goto err_alloc_vsis; 48595b246e53SMichal Swiatkowski 48605b246e53SMichal Swiatkowski err = ice_init_pf_sw(pf); 48615b246e53SMichal Swiatkowski if (err) 48625b246e53SMichal Swiatkowski goto err_init_pf_sw; 48635b246e53SMichal Swiatkowski 48645b246e53SMichal Swiatkowski ice_init_wakeup(pf); 48655b246e53SMichal Swiatkowski 48665b246e53SMichal Swiatkowski err = ice_init_link(pf); 48675b246e53SMichal Swiatkowski if (err) 48685b246e53SMichal Swiatkowski goto err_init_link; 48695b246e53SMichal Swiatkowski 48705b246e53SMichal Swiatkowski err = ice_send_version(pf); 48715b246e53SMichal Swiatkowski if (err) 48725b246e53SMichal Swiatkowski goto err_init_link; 48735b246e53SMichal Swiatkowski 48745b246e53SMichal Swiatkowski ice_verify_cacheline_size(pf); 48755b246e53SMichal Swiatkowski 48765b246e53SMichal Swiatkowski if (ice_is_safe_mode(pf)) 48775b246e53SMichal Swiatkowski ice_set_safe_mode_vlan_cfg(pf); 48785b246e53SMichal Swiatkowski else 48795b246e53SMichal Swiatkowski /* print PCI link speed and width */ 48805b246e53SMichal Swiatkowski pcie_print_link_status(pf->pdev); 48815b246e53SMichal Swiatkowski 48825b246e53SMichal Swiatkowski /* ready to go, so clear down state bit */ 48835b246e53SMichal Swiatkowski clear_bit(ICE_DOWN, pf->state); 48845b246e53SMichal Swiatkowski clear_bit(ICE_SERVICE_DIS, pf->state); 48855b246e53SMichal Swiatkowski 48865b246e53SMichal Swiatkowski /* since everything is good, start the service timer */ 48875b246e53SMichal Swiatkowski mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period)); 48885b246e53SMichal Swiatkowski 48895b246e53SMichal Swiatkowski return 0; 48905b246e53SMichal Swiatkowski 48915b246e53SMichal Swiatkowski err_init_link: 48925b246e53SMichal Swiatkowski ice_deinit_pf_sw(pf); 48935b246e53SMichal Swiatkowski err_init_pf_sw: 48945b246e53SMichal Swiatkowski ice_dealloc_vsis(pf); 48955b246e53SMichal Swiatkowski err_alloc_vsis: 48965b246e53SMichal Swiatkowski ice_deinit_dev(pf); 48975b246e53SMichal Swiatkowski return err; 48985b246e53SMichal Swiatkowski } 48995b246e53SMichal Swiatkowski 49005b246e53SMichal Swiatkowski static void ice_deinit(struct ice_pf *pf) 49015b246e53SMichal Swiatkowski { 49025b246e53SMichal Swiatkowski set_bit(ICE_SERVICE_DIS, pf->state); 49035b246e53SMichal Swiatkowski set_bit(ICE_DOWN, pf->state); 49045b246e53SMichal Swiatkowski 49055b246e53SMichal Swiatkowski ice_deinit_pf_sw(pf); 49065b246e53SMichal Swiatkowski ice_dealloc_vsis(pf); 49075b246e53SMichal Swiatkowski ice_deinit_dev(pf); 49085b246e53SMichal Swiatkowski } 49095b246e53SMichal Swiatkowski 49105b246e53SMichal Swiatkowski /** 49115b246e53SMichal Swiatkowski * ice_load - load pf by init hw and starting VSI 49125b246e53SMichal Swiatkowski * @pf: pointer to the pf instance 49135b246e53SMichal Swiatkowski */ 49145b246e53SMichal Swiatkowski int ice_load(struct ice_pf *pf) 49155b246e53SMichal Swiatkowski { 49165e509ab2SJacob Keller struct ice_vsi_cfg_params params = {}; 49175b246e53SMichal Swiatkowski struct ice_vsi *vsi; 49185b246e53SMichal Swiatkowski int err; 49195b246e53SMichal Swiatkowski 49205b246e53SMichal Swiatkowski err = ice_init_dev(pf); 49215b246e53SMichal Swiatkowski if (err) 49225b246e53SMichal Swiatkowski return err; 49235b246e53SMichal Swiatkowski 49245b246e53SMichal Swiatkowski vsi = ice_get_main_vsi(pf); 49255e509ab2SJacob Keller 49265e509ab2SJacob Keller params = ice_vsi_to_params(vsi); 49275e509ab2SJacob Keller params.flags = ICE_VSI_FLAG_INIT; 49285e509ab2SJacob Keller 4929b3e7b3a6SMichal Swiatkowski rtnl_lock(); 49305e509ab2SJacob Keller err = ice_vsi_cfg(vsi, ¶ms); 49315b246e53SMichal Swiatkowski if (err) 49325b246e53SMichal Swiatkowski goto err_vsi_cfg; 49335b246e53SMichal Swiatkowski 49345b246e53SMichal Swiatkowski err = ice_start_eth(ice_get_main_vsi(pf)); 49355b246e53SMichal Swiatkowski if (err) 49365b246e53SMichal Swiatkowski goto err_start_eth; 4937b3e7b3a6SMichal Swiatkowski rtnl_unlock(); 49385b246e53SMichal Swiatkowski 49395b246e53SMichal Swiatkowski err = ice_init_rdma(pf); 49405b246e53SMichal Swiatkowski if (err) 49415b246e53SMichal Swiatkowski goto err_init_rdma; 49425b246e53SMichal Swiatkowski 49435b246e53SMichal Swiatkowski ice_init_features(pf); 49445b246e53SMichal Swiatkowski ice_service_task_restart(pf); 49455b246e53SMichal Swiatkowski 49465b246e53SMichal Swiatkowski clear_bit(ICE_DOWN, pf->state); 49475b246e53SMichal Swiatkowski 49485b246e53SMichal Swiatkowski return 0; 49495b246e53SMichal Swiatkowski 49505b246e53SMichal Swiatkowski err_init_rdma: 49515b246e53SMichal Swiatkowski ice_vsi_close(ice_get_main_vsi(pf)); 4952b3e7b3a6SMichal Swiatkowski rtnl_lock(); 49535b246e53SMichal Swiatkowski err_start_eth: 49545b246e53SMichal Swiatkowski ice_vsi_decfg(ice_get_main_vsi(pf)); 49555b246e53SMichal Swiatkowski err_vsi_cfg: 4956b3e7b3a6SMichal Swiatkowski rtnl_unlock(); 49575b246e53SMichal Swiatkowski ice_deinit_dev(pf); 49585b246e53SMichal Swiatkowski return err; 49595b246e53SMichal Swiatkowski } 49605b246e53SMichal Swiatkowski 49615b246e53SMichal Swiatkowski /** 49625b246e53SMichal Swiatkowski * ice_unload - unload pf by stopping VSI and deinit hw 49635b246e53SMichal Swiatkowski * @pf: pointer to the pf instance 49645b246e53SMichal Swiatkowski */ 49655b246e53SMichal Swiatkowski void ice_unload(struct ice_pf *pf) 49665b246e53SMichal Swiatkowski { 49675b246e53SMichal Swiatkowski ice_deinit_features(pf); 49685b246e53SMichal Swiatkowski ice_deinit_rdma(pf); 4969b3e7b3a6SMichal Swiatkowski rtnl_lock(); 49707d46c0e6SMichal Swiatkowski ice_stop_eth(ice_get_main_vsi(pf)); 49715b246e53SMichal Swiatkowski ice_vsi_decfg(ice_get_main_vsi(pf)); 4972b3e7b3a6SMichal Swiatkowski rtnl_unlock(); 49735b246e53SMichal Swiatkowski ice_deinit_dev(pf); 49741e23f076SAnirudh Venkataramanan } 49751e23f076SAnirudh Venkataramanan 49761e23f076SAnirudh Venkataramanan /** 4977837f08fdSAnirudh Venkataramanan * ice_probe - Device initialization routine 4978837f08fdSAnirudh Venkataramanan * @pdev: PCI device information struct 4979837f08fdSAnirudh Venkataramanan * @ent: entry in ice_pci_tbl 4980837f08fdSAnirudh Venkataramanan * 4981837f08fdSAnirudh Venkataramanan * Returns 0 on success, negative on failure 4982837f08fdSAnirudh Venkataramanan */ 4983c8b7abddSBruce Allan static int 4984c8b7abddSBruce Allan ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent) 4985837f08fdSAnirudh Venkataramanan { 498677ed84f4SBruce Allan struct device *dev = &pdev->dev; 4987837f08fdSAnirudh Venkataramanan struct ice_pf *pf; 4988837f08fdSAnirudh Venkataramanan struct ice_hw *hw; 49895b246e53SMichal Swiatkowski int err; 4990837f08fdSAnirudh Venkataramanan 499150ac7479SAnirudh Venkataramanan if (pdev->is_virtfn) { 499250ac7479SAnirudh Venkataramanan dev_err(dev, "can't probe a virtual function\n"); 499350ac7479SAnirudh Venkataramanan return -EINVAL; 499450ac7479SAnirudh Venkataramanan } 499550ac7479SAnirudh Venkataramanan 49964ee656bbSTony Nguyen /* this driver uses devres, see 49974ee656bbSTony Nguyen * Documentation/driver-api/driver-model/devres.rst 49984ee656bbSTony Nguyen */ 4999837f08fdSAnirudh Venkataramanan err = pcim_enable_device(pdev); 5000837f08fdSAnirudh Venkataramanan if (err) 5001837f08fdSAnirudh Venkataramanan return err; 5002837f08fdSAnirudh Venkataramanan 500380ad6ddeSJesse Brandeburg err = pcim_iomap_regions(pdev, BIT(ICE_BAR0), dev_driver_string(dev)); 5004837f08fdSAnirudh Venkataramanan if (err) { 500577ed84f4SBruce Allan dev_err(dev, "BAR0 I/O map error %d\n", err); 5006837f08fdSAnirudh Venkataramanan return err; 5007837f08fdSAnirudh Venkataramanan } 5008837f08fdSAnirudh Venkataramanan 50091adf7eadSJacob Keller pf = ice_allocate_pf(dev); 5010837f08fdSAnirudh Venkataramanan if (!pf) 5011837f08fdSAnirudh Venkataramanan return -ENOMEM; 5012837f08fdSAnirudh Venkataramanan 501373e30a62SDave Ertman /* initialize Auxiliary index to invalid value */ 501473e30a62SDave Ertman pf->aux_idx = -1; 501573e30a62SDave Ertman 50162f2da36eSAnirudh Venkataramanan /* set up for high or low DMA */ 501777ed84f4SBruce Allan err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); 5018837f08fdSAnirudh Venkataramanan if (err) { 501977ed84f4SBruce Allan dev_err(dev, "DMA configuration failed: 0x%x\n", err); 5020837f08fdSAnirudh Venkataramanan return err; 5021837f08fdSAnirudh Venkataramanan } 5022837f08fdSAnirudh Venkataramanan 5023837f08fdSAnirudh Venkataramanan pci_set_master(pdev); 5024837f08fdSAnirudh Venkataramanan 5025837f08fdSAnirudh Venkataramanan pf->pdev = pdev; 5026837f08fdSAnirudh Venkataramanan pci_set_drvdata(pdev, pf); 50277e408e07SAnirudh Venkataramanan set_bit(ICE_DOWN, pf->state); 50288d81fa55SAkeem G Abodunrin /* Disable service task until DOWN bit is cleared */ 50297e408e07SAnirudh Venkataramanan set_bit(ICE_SERVICE_DIS, pf->state); 5030837f08fdSAnirudh Venkataramanan 5031837f08fdSAnirudh Venkataramanan hw = &pf->hw; 5032837f08fdSAnirudh Venkataramanan hw->hw_addr = pcim_iomap_table(pdev)[ICE_BAR0]; 50334e56802eSMichal Swiatkowski pci_save_state(pdev); 50344e56802eSMichal Swiatkowski 5035837f08fdSAnirudh Venkataramanan hw->back = pf; 50365b246e53SMichal Swiatkowski hw->port_info = NULL; 5037837f08fdSAnirudh Venkataramanan hw->vendor_id = pdev->vendor; 5038837f08fdSAnirudh Venkataramanan hw->device_id = pdev->device; 5039837f08fdSAnirudh Venkataramanan pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id); 5040837f08fdSAnirudh Venkataramanan hw->subsystem_vendor_id = pdev->subsystem_vendor; 5041837f08fdSAnirudh Venkataramanan hw->subsystem_device_id = pdev->subsystem_device; 5042837f08fdSAnirudh Venkataramanan hw->bus.device = PCI_SLOT(pdev->devfn); 5043837f08fdSAnirudh Venkataramanan hw->bus.func = PCI_FUNC(pdev->devfn); 5044f31e4b6fSAnirudh Venkataramanan ice_set_ctrlq_len(hw); 5045f31e4b6fSAnirudh Venkataramanan 5046837f08fdSAnirudh Venkataramanan pf->msg_enable = netif_msg_init(debug, ICE_DFLT_NETIF_M); 5047837f08fdSAnirudh Venkataramanan 50487ec59eeaSAnirudh Venkataramanan #ifndef CONFIG_DYNAMIC_DEBUG 50497ec59eeaSAnirudh Venkataramanan if (debug < -1) 50507ec59eeaSAnirudh Venkataramanan hw->debug_mask = debug; 50517ec59eeaSAnirudh Venkataramanan #endif 50527ec59eeaSAnirudh Venkataramanan 50535b246e53SMichal Swiatkowski err = ice_init(pf); 505408771bceSAnirudh Venkataramanan if (err) 50555b246e53SMichal Swiatkowski goto err_init; 50561a3571b5SPaul Greenwalt 50575b246e53SMichal Swiatkowski err = ice_init_eth(pf); 505808771bceSAnirudh Venkataramanan if (err) 50595b246e53SMichal Swiatkowski goto err_init_eth; 50601a3571b5SPaul Greenwalt 5061d25a0fc4SDave Ertman err = ice_init_rdma(pf); 50625b246e53SMichal Swiatkowski if (err) 50635b246e53SMichal Swiatkowski goto err_init_rdma; 5064d25a0fc4SDave Ertman 50655b246e53SMichal Swiatkowski err = ice_init_devlink(pf); 50665b246e53SMichal Swiatkowski if (err) 50675b246e53SMichal Swiatkowski goto err_init_devlink; 50685b246e53SMichal Swiatkowski 50695b246e53SMichal Swiatkowski ice_init_features(pf); 50705b246e53SMichal Swiatkowski 5071837f08fdSAnirudh Venkataramanan return 0; 5072f31e4b6fSAnirudh Venkataramanan 50735b246e53SMichal Swiatkowski err_init_devlink: 50745b246e53SMichal Swiatkowski ice_deinit_rdma(pf); 50755b246e53SMichal Swiatkowski err_init_rdma: 50765b246e53SMichal Swiatkowski ice_deinit_eth(pf); 50775b246e53SMichal Swiatkowski err_init_eth: 50785b246e53SMichal Swiatkowski ice_deinit(pf); 50795b246e53SMichal Swiatkowski err_init: 5080769c500dSAkeem G Abodunrin pci_disable_device(pdev); 5081f31e4b6fSAnirudh Venkataramanan return err; 5082837f08fdSAnirudh Venkataramanan } 5083837f08fdSAnirudh Venkataramanan 5084837f08fdSAnirudh Venkataramanan /** 5085769c500dSAkeem G Abodunrin * ice_set_wake - enable or disable Wake on LAN 5086769c500dSAkeem G Abodunrin * @pf: pointer to the PF struct 5087769c500dSAkeem G Abodunrin * 5088769c500dSAkeem G Abodunrin * Simple helper for WoL control 5089769c500dSAkeem G Abodunrin */ 5090769c500dSAkeem G Abodunrin static void ice_set_wake(struct ice_pf *pf) 5091769c500dSAkeem G Abodunrin { 5092769c500dSAkeem G Abodunrin struct ice_hw *hw = &pf->hw; 5093769c500dSAkeem G Abodunrin bool wol = pf->wol_ena; 5094769c500dSAkeem G Abodunrin 5095769c500dSAkeem G Abodunrin /* clear wake state, otherwise new wake events won't fire */ 5096769c500dSAkeem G Abodunrin wr32(hw, PFPM_WUS, U32_MAX); 5097769c500dSAkeem G Abodunrin 5098769c500dSAkeem G Abodunrin /* enable / disable APM wake up, no RMW needed */ 5099769c500dSAkeem G Abodunrin wr32(hw, PFPM_APM, wol ? PFPM_APM_APME_M : 0); 5100769c500dSAkeem G Abodunrin 5101769c500dSAkeem G Abodunrin /* set magic packet filter enabled */ 5102769c500dSAkeem G Abodunrin wr32(hw, PFPM_WUFC, wol ? PFPM_WUFC_MAG_M : 0); 5103769c500dSAkeem G Abodunrin } 5104769c500dSAkeem G Abodunrin 5105769c500dSAkeem G Abodunrin /** 5106ef860480STony Nguyen * ice_setup_mc_magic_wake - setup device to wake on multicast magic packet 5107769c500dSAkeem G Abodunrin * @pf: pointer to the PF struct 5108769c500dSAkeem G Abodunrin * 5109769c500dSAkeem G Abodunrin * Issue firmware command to enable multicast magic wake, making 5110769c500dSAkeem G Abodunrin * sure that any locally administered address (LAA) is used for 5111769c500dSAkeem G Abodunrin * wake, and that PF reset doesn't undo the LAA. 5112769c500dSAkeem G Abodunrin */ 5113769c500dSAkeem G Abodunrin static void ice_setup_mc_magic_wake(struct ice_pf *pf) 5114769c500dSAkeem G Abodunrin { 5115769c500dSAkeem G Abodunrin struct device *dev = ice_pf_to_dev(pf); 5116769c500dSAkeem G Abodunrin struct ice_hw *hw = &pf->hw; 5117769c500dSAkeem G Abodunrin u8 mac_addr[ETH_ALEN]; 5118769c500dSAkeem G Abodunrin struct ice_vsi *vsi; 51195518ac2aSTony Nguyen int status; 5120769c500dSAkeem G Abodunrin u8 flags; 5121769c500dSAkeem G Abodunrin 5122769c500dSAkeem G Abodunrin if (!pf->wol_ena) 5123769c500dSAkeem G Abodunrin return; 5124769c500dSAkeem G Abodunrin 5125769c500dSAkeem G Abodunrin vsi = ice_get_main_vsi(pf); 5126769c500dSAkeem G Abodunrin if (!vsi) 5127769c500dSAkeem G Abodunrin return; 5128769c500dSAkeem G Abodunrin 5129769c500dSAkeem G Abodunrin /* Get current MAC address in case it's an LAA */ 5130769c500dSAkeem G Abodunrin if (vsi->netdev) 5131769c500dSAkeem G Abodunrin ether_addr_copy(mac_addr, vsi->netdev->dev_addr); 5132769c500dSAkeem G Abodunrin else 5133769c500dSAkeem G Abodunrin ether_addr_copy(mac_addr, vsi->port_info->mac.perm_addr); 5134769c500dSAkeem G Abodunrin 5135769c500dSAkeem G Abodunrin flags = ICE_AQC_MAN_MAC_WR_MC_MAG_EN | 5136769c500dSAkeem G Abodunrin ICE_AQC_MAN_MAC_UPDATE_LAA_WOL | 5137769c500dSAkeem G Abodunrin ICE_AQC_MAN_MAC_WR_WOL_LAA_PFR_KEEP; 5138769c500dSAkeem G Abodunrin 5139769c500dSAkeem G Abodunrin status = ice_aq_manage_mac_write(hw, mac_addr, flags, NULL); 5140769c500dSAkeem G Abodunrin if (status) 51415f87ec48STony Nguyen dev_err(dev, "Failed to enable Multicast Magic Packet wake, err %d aq_err %s\n", 51425518ac2aSTony Nguyen status, ice_aq_str(hw->adminq.sq_last_status)); 5143769c500dSAkeem G Abodunrin } 5144769c500dSAkeem G Abodunrin 5145769c500dSAkeem G Abodunrin /** 5146837f08fdSAnirudh Venkataramanan * ice_remove - Device removal routine 5147837f08fdSAnirudh Venkataramanan * @pdev: PCI device information struct 5148837f08fdSAnirudh Venkataramanan */ 5149837f08fdSAnirudh Venkataramanan static void ice_remove(struct pci_dev *pdev) 5150837f08fdSAnirudh Venkataramanan { 5151837f08fdSAnirudh Venkataramanan struct ice_pf *pf = pci_get_drvdata(pdev); 515281b23589SDave Ertman int i; 5153837f08fdSAnirudh Venkataramanan 5154afd9d4abSAnirudh Venkataramanan for (i = 0; i < ICE_MAX_RESET_WAIT; i++) { 5155afd9d4abSAnirudh Venkataramanan if (!ice_is_reset_in_progress(pf->state)) 5156afd9d4abSAnirudh Venkataramanan break; 5157afd9d4abSAnirudh Venkataramanan msleep(100); 5158afd9d4abSAnirudh Venkataramanan } 5159afd9d4abSAnirudh Venkataramanan 5160f844d521SBrett Creeley if (test_bit(ICE_FLAG_SRIOV_ENA, pf->flags)) { 51617e408e07SAnirudh Venkataramanan set_bit(ICE_VF_RESETS_DISABLED, pf->state); 5162f844d521SBrett Creeley ice_free_vfs(pf); 5163f844d521SBrett Creeley } 5164f844d521SBrett Creeley 51658d81fa55SAkeem G Abodunrin ice_service_task_stop(pf); 5166d69ea414SJacob Keller ice_aq_cancel_waiting_tasks(pf); 5167f9f5301eSDave Ertman set_bit(ICE_DOWN, pf->state); 5168d69ea414SJacob Keller 516928bf2672SBrett Creeley if (!ice_is_safe_mode(pf)) 517028bf2672SBrett Creeley ice_remove_arfs(pf); 51715b246e53SMichal Swiatkowski ice_deinit_features(pf); 51725b246e53SMichal Swiatkowski ice_deinit_devlink(pf); 51735b246e53SMichal Swiatkowski ice_deinit_rdma(pf); 51745b246e53SMichal Swiatkowski ice_deinit_eth(pf); 51755b246e53SMichal Swiatkowski ice_deinit(pf); 51765b246e53SMichal Swiatkowski 51770f9d5027SAnirudh Venkataramanan ice_vsi_release_all(pf); 51785b246e53SMichal Swiatkowski 51795b246e53SMichal Swiatkowski ice_setup_mc_magic_wake(pf); 5180769c500dSAkeem G Abodunrin ice_set_wake(pf); 51811adf7eadSJacob Keller 5182769c500dSAkeem G Abodunrin pci_disable_device(pdev); 5183837f08fdSAnirudh Venkataramanan } 5184837f08fdSAnirudh Venkataramanan 51855995b6d0SBrett Creeley /** 5186769c500dSAkeem G Abodunrin * ice_shutdown - PCI callback for shutting down device 5187769c500dSAkeem G Abodunrin * @pdev: PCI device information struct 5188769c500dSAkeem G Abodunrin */ 5189769c500dSAkeem G Abodunrin static void ice_shutdown(struct pci_dev *pdev) 5190769c500dSAkeem G Abodunrin { 5191769c500dSAkeem G Abodunrin struct ice_pf *pf = pci_get_drvdata(pdev); 5192769c500dSAkeem G Abodunrin 5193769c500dSAkeem G Abodunrin ice_remove(pdev); 5194769c500dSAkeem G Abodunrin 5195769c500dSAkeem G Abodunrin if (system_state == SYSTEM_POWER_OFF) { 5196769c500dSAkeem G Abodunrin pci_wake_from_d3(pdev, pf->wol_ena); 5197769c500dSAkeem G Abodunrin pci_set_power_state(pdev, PCI_D3hot); 5198769c500dSAkeem G Abodunrin } 5199769c500dSAkeem G Abodunrin } 5200769c500dSAkeem G Abodunrin 5201769c500dSAkeem G Abodunrin #ifdef CONFIG_PM 5202769c500dSAkeem G Abodunrin /** 5203769c500dSAkeem G Abodunrin * ice_prepare_for_shutdown - prep for PCI shutdown 5204769c500dSAkeem G Abodunrin * @pf: board private structure 5205769c500dSAkeem G Abodunrin * 5206769c500dSAkeem G Abodunrin * Inform or close all dependent features in prep for PCI device shutdown 5207769c500dSAkeem G Abodunrin */ 5208769c500dSAkeem G Abodunrin static void ice_prepare_for_shutdown(struct ice_pf *pf) 5209769c500dSAkeem G Abodunrin { 5210769c500dSAkeem G Abodunrin struct ice_hw *hw = &pf->hw; 5211769c500dSAkeem G Abodunrin u32 v; 5212769c500dSAkeem G Abodunrin 5213769c500dSAkeem G Abodunrin /* Notify VFs of impending reset */ 5214769c500dSAkeem G Abodunrin if (ice_check_sq_alive(hw, &hw->mailboxq)) 5215769c500dSAkeem G Abodunrin ice_vc_notify_reset(pf); 5216769c500dSAkeem G Abodunrin 5217769c500dSAkeem G Abodunrin dev_dbg(ice_pf_to_dev(pf), "Tearing down internal switch for shutdown\n"); 5218769c500dSAkeem G Abodunrin 5219769c500dSAkeem G Abodunrin /* disable the VSIs and their queues that are not already DOWN */ 5220769c500dSAkeem G Abodunrin ice_pf_dis_all_vsi(pf, false); 5221769c500dSAkeem G Abodunrin 5222769c500dSAkeem G Abodunrin ice_for_each_vsi(pf, v) 5223769c500dSAkeem G Abodunrin if (pf->vsi[v]) 5224769c500dSAkeem G Abodunrin pf->vsi[v]->vsi_num = 0; 5225769c500dSAkeem G Abodunrin 5226769c500dSAkeem G Abodunrin ice_shutdown_all_ctrlq(hw); 5227769c500dSAkeem G Abodunrin } 5228769c500dSAkeem G Abodunrin 5229769c500dSAkeem G Abodunrin /** 5230769c500dSAkeem G Abodunrin * ice_reinit_interrupt_scheme - Reinitialize interrupt scheme 5231769c500dSAkeem G Abodunrin * @pf: board private structure to reinitialize 5232769c500dSAkeem G Abodunrin * 5233769c500dSAkeem G Abodunrin * This routine reinitialize interrupt scheme that was cleared during 5234769c500dSAkeem G Abodunrin * power management suspend callback. 5235769c500dSAkeem G Abodunrin * 5236769c500dSAkeem G Abodunrin * This should be called during resume routine to re-allocate the q_vectors 5237769c500dSAkeem G Abodunrin * and reacquire interrupts. 5238769c500dSAkeem G Abodunrin */ 5239769c500dSAkeem G Abodunrin static int ice_reinit_interrupt_scheme(struct ice_pf *pf) 5240769c500dSAkeem G Abodunrin { 5241769c500dSAkeem G Abodunrin struct device *dev = ice_pf_to_dev(pf); 5242769c500dSAkeem G Abodunrin int ret, v; 5243769c500dSAkeem G Abodunrin 5244769c500dSAkeem G Abodunrin /* Since we clear MSIX flag during suspend, we need to 5245769c500dSAkeem G Abodunrin * set it back during resume... 5246769c500dSAkeem G Abodunrin */ 5247769c500dSAkeem G Abodunrin 5248769c500dSAkeem G Abodunrin ret = ice_init_interrupt_scheme(pf); 5249769c500dSAkeem G Abodunrin if (ret) { 5250769c500dSAkeem G Abodunrin dev_err(dev, "Failed to re-initialize interrupt %d\n", ret); 5251769c500dSAkeem G Abodunrin return ret; 5252769c500dSAkeem G Abodunrin } 5253769c500dSAkeem G Abodunrin 5254769c500dSAkeem G Abodunrin /* Remap vectors and rings, after successful re-init interrupts */ 5255769c500dSAkeem G Abodunrin ice_for_each_vsi(pf, v) { 5256769c500dSAkeem G Abodunrin if (!pf->vsi[v]) 5257769c500dSAkeem G Abodunrin continue; 5258769c500dSAkeem G Abodunrin 5259769c500dSAkeem G Abodunrin ret = ice_vsi_alloc_q_vectors(pf->vsi[v]); 5260769c500dSAkeem G Abodunrin if (ret) 5261769c500dSAkeem G Abodunrin goto err_reinit; 5262769c500dSAkeem G Abodunrin ice_vsi_map_rings_to_vectors(pf->vsi[v]); 5263769c500dSAkeem G Abodunrin } 5264769c500dSAkeem G Abodunrin 5265769c500dSAkeem G Abodunrin ret = ice_req_irq_msix_misc(pf); 5266769c500dSAkeem G Abodunrin if (ret) { 5267769c500dSAkeem G Abodunrin dev_err(dev, "Setting up misc vector failed after device suspend %d\n", 5268769c500dSAkeem G Abodunrin ret); 5269769c500dSAkeem G Abodunrin goto err_reinit; 5270769c500dSAkeem G Abodunrin } 5271769c500dSAkeem G Abodunrin 5272769c500dSAkeem G Abodunrin return 0; 5273769c500dSAkeem G Abodunrin 5274769c500dSAkeem G Abodunrin err_reinit: 5275769c500dSAkeem G Abodunrin while (v--) 5276769c500dSAkeem G Abodunrin if (pf->vsi[v]) 5277769c500dSAkeem G Abodunrin ice_vsi_free_q_vectors(pf->vsi[v]); 5278769c500dSAkeem G Abodunrin 5279769c500dSAkeem G Abodunrin return ret; 5280769c500dSAkeem G Abodunrin } 5281769c500dSAkeem G Abodunrin 5282769c500dSAkeem G Abodunrin /** 5283769c500dSAkeem G Abodunrin * ice_suspend 5284769c500dSAkeem G Abodunrin * @dev: generic device information structure 5285769c500dSAkeem G Abodunrin * 5286769c500dSAkeem G Abodunrin * Power Management callback to quiesce the device and prepare 5287769c500dSAkeem G Abodunrin * for D3 transition. 5288769c500dSAkeem G Abodunrin */ 528965c72291SWei Yongjun static int __maybe_unused ice_suspend(struct device *dev) 5290769c500dSAkeem G Abodunrin { 5291769c500dSAkeem G Abodunrin struct pci_dev *pdev = to_pci_dev(dev); 5292769c500dSAkeem G Abodunrin struct ice_pf *pf; 5293769c500dSAkeem G Abodunrin int disabled, v; 5294769c500dSAkeem G Abodunrin 5295769c500dSAkeem G Abodunrin pf = pci_get_drvdata(pdev); 5296769c500dSAkeem G Abodunrin 5297769c500dSAkeem G Abodunrin if (!ice_pf_state_is_nominal(pf)) { 5298769c500dSAkeem G Abodunrin dev_err(dev, "Device is not ready, no need to suspend it\n"); 5299769c500dSAkeem G Abodunrin return -EBUSY; 5300769c500dSAkeem G Abodunrin } 5301769c500dSAkeem G Abodunrin 5302769c500dSAkeem G Abodunrin /* Stop watchdog tasks until resume completion. 5303769c500dSAkeem G Abodunrin * Even though it is most likely that the service task is 5304769c500dSAkeem G Abodunrin * disabled if the device is suspended or down, the service task's 5305769c500dSAkeem G Abodunrin * state is controlled by a different state bit, and we should 5306769c500dSAkeem G Abodunrin * store and honor whatever state that bit is in at this point. 5307769c500dSAkeem G Abodunrin */ 5308769c500dSAkeem G Abodunrin disabled = ice_service_task_stop(pf); 5309769c500dSAkeem G Abodunrin 5310f9f5301eSDave Ertman ice_unplug_aux_dev(pf); 5311f9f5301eSDave Ertman 5312769c500dSAkeem G Abodunrin /* Already suspended?, then there is nothing to do */ 53137e408e07SAnirudh Venkataramanan if (test_and_set_bit(ICE_SUSPENDED, pf->state)) { 5314769c500dSAkeem G Abodunrin if (!disabled) 5315769c500dSAkeem G Abodunrin ice_service_task_restart(pf); 5316769c500dSAkeem G Abodunrin return 0; 5317769c500dSAkeem G Abodunrin } 5318769c500dSAkeem G Abodunrin 53197e408e07SAnirudh Venkataramanan if (test_bit(ICE_DOWN, pf->state) || 5320769c500dSAkeem G Abodunrin ice_is_reset_in_progress(pf->state)) { 5321769c500dSAkeem G Abodunrin dev_err(dev, "can't suspend device in reset or already down\n"); 5322769c500dSAkeem G Abodunrin if (!disabled) 5323769c500dSAkeem G Abodunrin ice_service_task_restart(pf); 5324769c500dSAkeem G Abodunrin return 0; 5325769c500dSAkeem G Abodunrin } 5326769c500dSAkeem G Abodunrin 5327769c500dSAkeem G Abodunrin ice_setup_mc_magic_wake(pf); 5328769c500dSAkeem G Abodunrin 5329769c500dSAkeem G Abodunrin ice_prepare_for_shutdown(pf); 5330769c500dSAkeem G Abodunrin 5331769c500dSAkeem G Abodunrin ice_set_wake(pf); 5332769c500dSAkeem G Abodunrin 5333769c500dSAkeem G Abodunrin /* Free vectors, clear the interrupt scheme and release IRQs 5334769c500dSAkeem G Abodunrin * for proper hibernation, especially with large number of CPUs. 5335769c500dSAkeem G Abodunrin * Otherwise hibernation might fail when mapping all the vectors back 5336769c500dSAkeem G Abodunrin * to CPU0. 5337769c500dSAkeem G Abodunrin */ 5338769c500dSAkeem G Abodunrin ice_free_irq_msix_misc(pf); 5339769c500dSAkeem G Abodunrin ice_for_each_vsi(pf, v) { 5340769c500dSAkeem G Abodunrin if (!pf->vsi[v]) 5341769c500dSAkeem G Abodunrin continue; 5342769c500dSAkeem G Abodunrin ice_vsi_free_q_vectors(pf->vsi[v]); 5343769c500dSAkeem G Abodunrin } 5344769c500dSAkeem G Abodunrin ice_clear_interrupt_scheme(pf); 5345769c500dSAkeem G Abodunrin 5346466e4392SAnirudh Venkataramanan pci_save_state(pdev); 5347769c500dSAkeem G Abodunrin pci_wake_from_d3(pdev, pf->wol_ena); 5348769c500dSAkeem G Abodunrin pci_set_power_state(pdev, PCI_D3hot); 5349769c500dSAkeem G Abodunrin return 0; 5350769c500dSAkeem G Abodunrin } 5351769c500dSAkeem G Abodunrin 5352769c500dSAkeem G Abodunrin /** 5353769c500dSAkeem G Abodunrin * ice_resume - PM callback for waking up from D3 5354769c500dSAkeem G Abodunrin * @dev: generic device information structure 5355769c500dSAkeem G Abodunrin */ 535665c72291SWei Yongjun static int __maybe_unused ice_resume(struct device *dev) 5357769c500dSAkeem G Abodunrin { 5358769c500dSAkeem G Abodunrin struct pci_dev *pdev = to_pci_dev(dev); 5359769c500dSAkeem G Abodunrin enum ice_reset_req reset_type; 5360769c500dSAkeem G Abodunrin struct ice_pf *pf; 5361769c500dSAkeem G Abodunrin struct ice_hw *hw; 5362769c500dSAkeem G Abodunrin int ret; 5363769c500dSAkeem G Abodunrin 5364769c500dSAkeem G Abodunrin pci_set_power_state(pdev, PCI_D0); 5365769c500dSAkeem G Abodunrin pci_restore_state(pdev); 5366769c500dSAkeem G Abodunrin pci_save_state(pdev); 5367769c500dSAkeem G Abodunrin 5368769c500dSAkeem G Abodunrin if (!pci_device_is_present(pdev)) 5369769c500dSAkeem G Abodunrin return -ENODEV; 5370769c500dSAkeem G Abodunrin 5371769c500dSAkeem G Abodunrin ret = pci_enable_device_mem(pdev); 5372769c500dSAkeem G Abodunrin if (ret) { 5373769c500dSAkeem G Abodunrin dev_err(dev, "Cannot enable device after suspend\n"); 5374769c500dSAkeem G Abodunrin return ret; 5375769c500dSAkeem G Abodunrin } 5376769c500dSAkeem G Abodunrin 5377769c500dSAkeem G Abodunrin pf = pci_get_drvdata(pdev); 5378769c500dSAkeem G Abodunrin hw = &pf->hw; 5379769c500dSAkeem G Abodunrin 5380769c500dSAkeem G Abodunrin pf->wakeup_reason = rd32(hw, PFPM_WUS); 5381769c500dSAkeem G Abodunrin ice_print_wake_reason(pf); 5382769c500dSAkeem G Abodunrin 5383769c500dSAkeem G Abodunrin /* We cleared the interrupt scheme when we suspended, so we need to 5384769c500dSAkeem G Abodunrin * restore it now to resume device functionality. 5385769c500dSAkeem G Abodunrin */ 5386769c500dSAkeem G Abodunrin ret = ice_reinit_interrupt_scheme(pf); 5387769c500dSAkeem G Abodunrin if (ret) 5388769c500dSAkeem G Abodunrin dev_err(dev, "Cannot restore interrupt scheme: %d\n", ret); 5389769c500dSAkeem G Abodunrin 53907e408e07SAnirudh Venkataramanan clear_bit(ICE_DOWN, pf->state); 5391769c500dSAkeem G Abodunrin /* Now perform PF reset and rebuild */ 5392769c500dSAkeem G Abodunrin reset_type = ICE_RESET_PFR; 5393769c500dSAkeem G Abodunrin /* re-enable service task for reset, but allow reset to schedule it */ 53947e408e07SAnirudh Venkataramanan clear_bit(ICE_SERVICE_DIS, pf->state); 5395769c500dSAkeem G Abodunrin 5396769c500dSAkeem G Abodunrin if (ice_schedule_reset(pf, reset_type)) 5397769c500dSAkeem G Abodunrin dev_err(dev, "Reset during resume failed.\n"); 5398769c500dSAkeem G Abodunrin 53997e408e07SAnirudh Venkataramanan clear_bit(ICE_SUSPENDED, pf->state); 5400769c500dSAkeem G Abodunrin ice_service_task_restart(pf); 5401769c500dSAkeem G Abodunrin 5402769c500dSAkeem G Abodunrin /* Restart the service task */ 5403769c500dSAkeem G Abodunrin mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period)); 5404769c500dSAkeem G Abodunrin 5405769c500dSAkeem G Abodunrin return 0; 5406769c500dSAkeem G Abodunrin } 5407769c500dSAkeem G Abodunrin #endif /* CONFIG_PM */ 5408769c500dSAkeem G Abodunrin 5409769c500dSAkeem G Abodunrin /** 54105995b6d0SBrett Creeley * ice_pci_err_detected - warning that PCI error has been detected 54115995b6d0SBrett Creeley * @pdev: PCI device information struct 54125995b6d0SBrett Creeley * @err: the type of PCI error 54135995b6d0SBrett Creeley * 54145995b6d0SBrett Creeley * Called to warn that something happened on the PCI bus and the error handling 54155995b6d0SBrett Creeley * is in progress. Allows the driver to gracefully prepare/handle PCI errors. 54165995b6d0SBrett Creeley */ 54175995b6d0SBrett Creeley static pci_ers_result_t 541816d79cd4SLuc Van Oostenryck ice_pci_err_detected(struct pci_dev *pdev, pci_channel_state_t err) 54195995b6d0SBrett Creeley { 54205995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 54215995b6d0SBrett Creeley 54225995b6d0SBrett Creeley if (!pf) { 54235995b6d0SBrett Creeley dev_err(&pdev->dev, "%s: unrecoverable device error %d\n", 54245995b6d0SBrett Creeley __func__, err); 54255995b6d0SBrett Creeley return PCI_ERS_RESULT_DISCONNECT; 54265995b6d0SBrett Creeley } 54275995b6d0SBrett Creeley 54287e408e07SAnirudh Venkataramanan if (!test_bit(ICE_SUSPENDED, pf->state)) { 54295995b6d0SBrett Creeley ice_service_task_stop(pf); 54305995b6d0SBrett Creeley 54317e408e07SAnirudh Venkataramanan if (!test_bit(ICE_PREPARED_FOR_RESET, pf->state)) { 54327e408e07SAnirudh Venkataramanan set_bit(ICE_PFR_REQ, pf->state); 5433fbc7b27aSKiran Patil ice_prepare_for_reset(pf, ICE_RESET_PFR); 54345995b6d0SBrett Creeley } 54355995b6d0SBrett Creeley } 54365995b6d0SBrett Creeley 54375995b6d0SBrett Creeley return PCI_ERS_RESULT_NEED_RESET; 54385995b6d0SBrett Creeley } 54395995b6d0SBrett Creeley 54405995b6d0SBrett Creeley /** 54415995b6d0SBrett Creeley * ice_pci_err_slot_reset - a PCI slot reset has just happened 54425995b6d0SBrett Creeley * @pdev: PCI device information struct 54435995b6d0SBrett Creeley * 54445995b6d0SBrett Creeley * Called to determine if the driver can recover from the PCI slot reset by 54455995b6d0SBrett Creeley * using a register read to determine if the device is recoverable. 54465995b6d0SBrett Creeley */ 54475995b6d0SBrett Creeley static pci_ers_result_t ice_pci_err_slot_reset(struct pci_dev *pdev) 54485995b6d0SBrett Creeley { 54495995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 54505995b6d0SBrett Creeley pci_ers_result_t result; 54515995b6d0SBrett Creeley int err; 54525995b6d0SBrett Creeley u32 reg; 54535995b6d0SBrett Creeley 54545995b6d0SBrett Creeley err = pci_enable_device_mem(pdev); 54555995b6d0SBrett Creeley if (err) { 545619cce2c6SAnirudh Venkataramanan dev_err(&pdev->dev, "Cannot re-enable PCI device after reset, error %d\n", 54575995b6d0SBrett Creeley err); 54585995b6d0SBrett Creeley result = PCI_ERS_RESULT_DISCONNECT; 54595995b6d0SBrett Creeley } else { 54605995b6d0SBrett Creeley pci_set_master(pdev); 54615995b6d0SBrett Creeley pci_restore_state(pdev); 54625995b6d0SBrett Creeley pci_save_state(pdev); 54635995b6d0SBrett Creeley pci_wake_from_d3(pdev, false); 54645995b6d0SBrett Creeley 54655995b6d0SBrett Creeley /* Check for life */ 54665995b6d0SBrett Creeley reg = rd32(&pf->hw, GLGEN_RTRIG); 54675995b6d0SBrett Creeley if (!reg) 54685995b6d0SBrett Creeley result = PCI_ERS_RESULT_RECOVERED; 54695995b6d0SBrett Creeley else 54705995b6d0SBrett Creeley result = PCI_ERS_RESULT_DISCONNECT; 54715995b6d0SBrett Creeley } 54725995b6d0SBrett Creeley 54735995b6d0SBrett Creeley return result; 54745995b6d0SBrett Creeley } 54755995b6d0SBrett Creeley 54765995b6d0SBrett Creeley /** 54775995b6d0SBrett Creeley * ice_pci_err_resume - restart operations after PCI error recovery 54785995b6d0SBrett Creeley * @pdev: PCI device information struct 54795995b6d0SBrett Creeley * 54805995b6d0SBrett Creeley * Called to allow the driver to bring things back up after PCI error and/or 54815995b6d0SBrett Creeley * reset recovery have finished 54825995b6d0SBrett Creeley */ 54835995b6d0SBrett Creeley static void ice_pci_err_resume(struct pci_dev *pdev) 54845995b6d0SBrett Creeley { 54855995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 54865995b6d0SBrett Creeley 54875995b6d0SBrett Creeley if (!pf) { 548819cce2c6SAnirudh Venkataramanan dev_err(&pdev->dev, "%s failed, device is unrecoverable\n", 548919cce2c6SAnirudh Venkataramanan __func__); 54905995b6d0SBrett Creeley return; 54915995b6d0SBrett Creeley } 54925995b6d0SBrett Creeley 54937e408e07SAnirudh Venkataramanan if (test_bit(ICE_SUSPENDED, pf->state)) { 54945995b6d0SBrett Creeley dev_dbg(&pdev->dev, "%s failed to resume normal operations!\n", 54955995b6d0SBrett Creeley __func__); 54965995b6d0SBrett Creeley return; 54975995b6d0SBrett Creeley } 54985995b6d0SBrett Creeley 5499a54a0b24SNick Nunley ice_restore_all_vfs_msi_state(pdev); 5500a54a0b24SNick Nunley 55015995b6d0SBrett Creeley ice_do_reset(pf, ICE_RESET_PFR); 55025995b6d0SBrett Creeley ice_service_task_restart(pf); 55035995b6d0SBrett Creeley mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period)); 55045995b6d0SBrett Creeley } 55055995b6d0SBrett Creeley 55065995b6d0SBrett Creeley /** 55075995b6d0SBrett Creeley * ice_pci_err_reset_prepare - prepare device driver for PCI reset 55085995b6d0SBrett Creeley * @pdev: PCI device information struct 55095995b6d0SBrett Creeley */ 55105995b6d0SBrett Creeley static void ice_pci_err_reset_prepare(struct pci_dev *pdev) 55115995b6d0SBrett Creeley { 55125995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 55135995b6d0SBrett Creeley 55147e408e07SAnirudh Venkataramanan if (!test_bit(ICE_SUSPENDED, pf->state)) { 55155995b6d0SBrett Creeley ice_service_task_stop(pf); 55165995b6d0SBrett Creeley 55177e408e07SAnirudh Venkataramanan if (!test_bit(ICE_PREPARED_FOR_RESET, pf->state)) { 55187e408e07SAnirudh Venkataramanan set_bit(ICE_PFR_REQ, pf->state); 5519fbc7b27aSKiran Patil ice_prepare_for_reset(pf, ICE_RESET_PFR); 55205995b6d0SBrett Creeley } 55215995b6d0SBrett Creeley } 55225995b6d0SBrett Creeley } 55235995b6d0SBrett Creeley 55245995b6d0SBrett Creeley /** 55255995b6d0SBrett Creeley * ice_pci_err_reset_done - PCI reset done, device driver reset can begin 55265995b6d0SBrett Creeley * @pdev: PCI device information struct 55275995b6d0SBrett Creeley */ 55285995b6d0SBrett Creeley static void ice_pci_err_reset_done(struct pci_dev *pdev) 55295995b6d0SBrett Creeley { 55305995b6d0SBrett Creeley ice_pci_err_resume(pdev); 55315995b6d0SBrett Creeley } 55325995b6d0SBrett Creeley 5533837f08fdSAnirudh Venkataramanan /* ice_pci_tbl - PCI Device ID Table 5534837f08fdSAnirudh Venkataramanan * 5535837f08fdSAnirudh Venkataramanan * Wildcard entries (PCI_ANY_ID) should come last 5536837f08fdSAnirudh Venkataramanan * Last entry must be all 0s 5537837f08fdSAnirudh Venkataramanan * 5538837f08fdSAnirudh Venkataramanan * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, 5539837f08fdSAnirudh Venkataramanan * Class, Class Mask, private data (not used) } 5540837f08fdSAnirudh Venkataramanan */ 5541837f08fdSAnirudh Venkataramanan static const struct pci_device_id ice_pci_tbl[] = { 5542633d7449SAnirudh Venkataramanan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_BACKPLANE), 0 }, 5543633d7449SAnirudh Venkataramanan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_QSFP), 0 }, 5544633d7449SAnirudh Venkataramanan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_SFP), 0 }, 55457dcf78b8STony Nguyen { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810_XXV_BACKPLANE), 0 }, 55467dcf78b8STony Nguyen { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810_XXV_QSFP), 0 }, 5547195fb977SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810_XXV_SFP), 0 }, 5548e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_BACKPLANE), 0 }, 5549e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_QSFP), 0 }, 5550e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_SFP), 0 }, 5551e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_10G_BASE_T), 0 }, 5552e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_SGMII), 0 }, 55535d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_BACKPLANE), 0 }, 55545d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_QSFP), 0 }, 55555d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_SFP), 0 }, 55565d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_10G_BASE_T), 0 }, 55575d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_SGMII), 0 }, 55582fbfa966SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_BACKPLANE), 0 }, 55595d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_SFP), 0 }, 55605d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_10G_BASE_T), 0 }, 55615d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_SGMII), 0 }, 5562e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_BACKPLANE), 0 }, 5563e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_SFP), 0 }, 5564e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_10G_BASE_T), 0 }, 5565e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_1GBE), 0 }, 5566e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_QSFP), 0 }, 5567f52d1668SPaul M Stillwell Jr { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822_SI_DFLT), 0 }, 5568837f08fdSAnirudh Venkataramanan /* required last entry */ 5569837f08fdSAnirudh Venkataramanan { 0, } 5570837f08fdSAnirudh Venkataramanan }; 5571837f08fdSAnirudh Venkataramanan MODULE_DEVICE_TABLE(pci, ice_pci_tbl); 5572837f08fdSAnirudh Venkataramanan 5573769c500dSAkeem G Abodunrin static __maybe_unused SIMPLE_DEV_PM_OPS(ice_pm_ops, ice_suspend, ice_resume); 5574769c500dSAkeem G Abodunrin 55755995b6d0SBrett Creeley static const struct pci_error_handlers ice_pci_err_handler = { 55765995b6d0SBrett Creeley .error_detected = ice_pci_err_detected, 55775995b6d0SBrett Creeley .slot_reset = ice_pci_err_slot_reset, 55785995b6d0SBrett Creeley .reset_prepare = ice_pci_err_reset_prepare, 55795995b6d0SBrett Creeley .reset_done = ice_pci_err_reset_done, 55805995b6d0SBrett Creeley .resume = ice_pci_err_resume 55815995b6d0SBrett Creeley }; 55825995b6d0SBrett Creeley 5583837f08fdSAnirudh Venkataramanan static struct pci_driver ice_driver = { 5584837f08fdSAnirudh Venkataramanan .name = KBUILD_MODNAME, 5585837f08fdSAnirudh Venkataramanan .id_table = ice_pci_tbl, 5586837f08fdSAnirudh Venkataramanan .probe = ice_probe, 5587837f08fdSAnirudh Venkataramanan .remove = ice_remove, 5588769c500dSAkeem G Abodunrin #ifdef CONFIG_PM 5589769c500dSAkeem G Abodunrin .driver.pm = &ice_pm_ops, 5590769c500dSAkeem G Abodunrin #endif /* CONFIG_PM */ 5591769c500dSAkeem G Abodunrin .shutdown = ice_shutdown, 5592ddf30f7fSAnirudh Venkataramanan .sriov_configure = ice_sriov_configure, 55935995b6d0SBrett Creeley .err_handler = &ice_pci_err_handler 5594837f08fdSAnirudh Venkataramanan }; 5595837f08fdSAnirudh Venkataramanan 5596837f08fdSAnirudh Venkataramanan /** 5597837f08fdSAnirudh Venkataramanan * ice_module_init - Driver registration routine 5598837f08fdSAnirudh Venkataramanan * 5599837f08fdSAnirudh Venkataramanan * ice_module_init is the first routine called when the driver is 5600837f08fdSAnirudh Venkataramanan * loaded. All it does is register with the PCI subsystem. 5601837f08fdSAnirudh Venkataramanan */ 5602837f08fdSAnirudh Venkataramanan static int __init ice_module_init(void) 5603837f08fdSAnirudh Venkataramanan { 5604bb52f42aSDave Ertman int status = -ENOMEM; 5605837f08fdSAnirudh Venkataramanan 560634a2a3b8SJeff Kirsher pr_info("%s\n", ice_driver_string); 5607837f08fdSAnirudh Venkataramanan pr_info("%s\n", ice_copyright); 5608837f08fdSAnirudh Venkataramanan 56094d159f78SAnirudh Venkataramanan ice_wq = alloc_workqueue("%s", 0, 0, KBUILD_MODNAME); 5610940b61afSAnirudh Venkataramanan if (!ice_wq) { 5611940b61afSAnirudh Venkataramanan pr_err("Failed to create workqueue\n"); 5612bb52f42aSDave Ertman return status; 5613bb52f42aSDave Ertman } 5614bb52f42aSDave Ertman 5615bb52f42aSDave Ertman ice_lag_wq = alloc_ordered_workqueue("ice_lag_wq", 0); 5616bb52f42aSDave Ertman if (!ice_lag_wq) { 5617bb52f42aSDave Ertman pr_err("Failed to create LAG workqueue\n"); 5618bb52f42aSDave Ertman goto err_dest_wq; 5619940b61afSAnirudh Venkataramanan } 5620940b61afSAnirudh Venkataramanan 5621837f08fdSAnirudh Venkataramanan status = pci_register_driver(&ice_driver); 5622940b61afSAnirudh Venkataramanan if (status) { 56232f2da36eSAnirudh Venkataramanan pr_err("failed to register PCI driver, err %d\n", status); 5624bb52f42aSDave Ertman goto err_dest_lag_wq; 5625940b61afSAnirudh Venkataramanan } 5626837f08fdSAnirudh Venkataramanan 5627bb52f42aSDave Ertman return 0; 5628bb52f42aSDave Ertman 5629bb52f42aSDave Ertman err_dest_lag_wq: 5630bb52f42aSDave Ertman destroy_workqueue(ice_lag_wq); 5631bb52f42aSDave Ertman err_dest_wq: 5632bb52f42aSDave Ertman destroy_workqueue(ice_wq); 5633837f08fdSAnirudh Venkataramanan return status; 5634837f08fdSAnirudh Venkataramanan } 5635837f08fdSAnirudh Venkataramanan module_init(ice_module_init); 5636837f08fdSAnirudh Venkataramanan 5637837f08fdSAnirudh Venkataramanan /** 5638837f08fdSAnirudh Venkataramanan * ice_module_exit - Driver exit cleanup routine 5639837f08fdSAnirudh Venkataramanan * 5640837f08fdSAnirudh Venkataramanan * ice_module_exit is called just before the driver is removed 5641837f08fdSAnirudh Venkataramanan * from memory. 5642837f08fdSAnirudh Venkataramanan */ 5643837f08fdSAnirudh Venkataramanan static void __exit ice_module_exit(void) 5644837f08fdSAnirudh Venkataramanan { 5645837f08fdSAnirudh Venkataramanan pci_unregister_driver(&ice_driver); 5646940b61afSAnirudh Venkataramanan destroy_workqueue(ice_wq); 5647bb52f42aSDave Ertman destroy_workqueue(ice_lag_wq); 5648837f08fdSAnirudh Venkataramanan pr_info("module unloaded\n"); 5649837f08fdSAnirudh Venkataramanan } 5650837f08fdSAnirudh Venkataramanan module_exit(ice_module_exit); 56513a858ba3SAnirudh Venkataramanan 56523a858ba3SAnirudh Venkataramanan /** 5653f9867df6SAnirudh Venkataramanan * ice_set_mac_address - NDO callback to set MAC address 5654e94d4478SAnirudh Venkataramanan * @netdev: network interface device structure 5655e94d4478SAnirudh Venkataramanan * @pi: pointer to an address structure 5656e94d4478SAnirudh Venkataramanan * 5657e94d4478SAnirudh Venkataramanan * Returns 0 on success, negative on failure 5658e94d4478SAnirudh Venkataramanan */ 5659e94d4478SAnirudh Venkataramanan static int ice_set_mac_address(struct net_device *netdev, void *pi) 5660e94d4478SAnirudh Venkataramanan { 5661e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 5662e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 5663e94d4478SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 5664e94d4478SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 5665e94d4478SAnirudh Venkataramanan struct sockaddr *addr = pi; 5666b357d971SBrett Creeley u8 old_mac[ETH_ALEN]; 5667e94d4478SAnirudh Venkataramanan u8 flags = 0; 5668e94d4478SAnirudh Venkataramanan u8 *mac; 56692ccc1c1cSTony Nguyen int err; 5670e94d4478SAnirudh Venkataramanan 5671e94d4478SAnirudh Venkataramanan mac = (u8 *)addr->sa_data; 5672e94d4478SAnirudh Venkataramanan 5673e94d4478SAnirudh Venkataramanan if (!is_valid_ether_addr(mac)) 5674e94d4478SAnirudh Venkataramanan return -EADDRNOTAVAIL; 5675e94d4478SAnirudh Venkataramanan 56767e408e07SAnirudh Venkataramanan if (test_bit(ICE_DOWN, pf->state) || 56775df7e45dSDave Ertman ice_is_reset_in_progress(pf->state)) { 5678e94d4478SAnirudh Venkataramanan netdev_err(netdev, "can't set mac %pM. device not ready\n", 5679e94d4478SAnirudh Venkataramanan mac); 5680e94d4478SAnirudh Venkataramanan return -EBUSY; 5681e94d4478SAnirudh Venkataramanan } 5682e94d4478SAnirudh Venkataramanan 56839fea7498SKiran Patil if (ice_chnl_dmac_fltr_cnt(pf)) { 56849fea7498SKiran Patil netdev_err(netdev, "can't set mac %pM. Device has tc-flower filters, delete all of them and try again\n", 56859fea7498SKiran Patil mac); 56869fea7498SKiran Patil return -EAGAIN; 56879fea7498SKiran Patil } 56889fea7498SKiran Patil 56893ba7f53fSBrett Creeley netif_addr_lock_bh(netdev); 5690b357d971SBrett Creeley ether_addr_copy(old_mac, netdev->dev_addr); 5691b357d971SBrett Creeley /* change the netdev's MAC address */ 5692a05e4c0aSJakub Kicinski eth_hw_addr_set(netdev, mac); 5693b357d971SBrett Creeley netif_addr_unlock_bh(netdev); 5694b357d971SBrett Creeley 5695757976abSLihong Yang /* Clean up old MAC filter. Not an error if old filter doesn't exist */ 56962ccc1c1cSTony Nguyen err = ice_fltr_remove_mac(vsi, old_mac, ICE_FWD_TO_VSI); 56972ccc1c1cSTony Nguyen if (err && err != -ENOENT) { 5698e94d4478SAnirudh Venkataramanan err = -EADDRNOTAVAIL; 5699bbb968e8SAkeem G Abodunrin goto err_update_filters; 5700e94d4478SAnirudh Venkataramanan } 5701e94d4478SAnirudh Venkataramanan 570213ed5e8aSNick Nunley /* Add filter for new MAC. If filter exists, return success */ 57032ccc1c1cSTony Nguyen err = ice_fltr_add_mac(vsi, mac, ICE_FWD_TO_VSI); 57042c0069f3SIvan Vecera if (err == -EEXIST) { 570513ed5e8aSNick Nunley /* Although this MAC filter is already present in hardware it's 570613ed5e8aSNick Nunley * possible in some cases (e.g. bonding) that dev_addr was 570713ed5e8aSNick Nunley * modified outside of the driver and needs to be restored back 570813ed5e8aSNick Nunley * to this value. 570913ed5e8aSNick Nunley */ 5710757976abSLihong Yang netdev_dbg(netdev, "filter for MAC %pM already exists\n", mac); 57112c0069f3SIvan Vecera 57122c0069f3SIvan Vecera return 0; 57132c0069f3SIvan Vecera } else if (err) { 5714757976abSLihong Yang /* error if the new filter addition failed */ 5715757976abSLihong Yang err = -EADDRNOTAVAIL; 57162c0069f3SIvan Vecera } 5717757976abSLihong Yang 5718bbb968e8SAkeem G Abodunrin err_update_filters: 5719e94d4478SAnirudh Venkataramanan if (err) { 57202f2da36eSAnirudh Venkataramanan netdev_err(netdev, "can't set MAC %pM. filter update failed\n", 5721e94d4478SAnirudh Venkataramanan mac); 5722b357d971SBrett Creeley netif_addr_lock_bh(netdev); 5723f3956ebbSJakub Kicinski eth_hw_addr_set(netdev, old_mac); 57243ba7f53fSBrett Creeley netif_addr_unlock_bh(netdev); 5725e94d4478SAnirudh Venkataramanan return err; 5726e94d4478SAnirudh Venkataramanan } 5727e94d4478SAnirudh Venkataramanan 57282f2da36eSAnirudh Venkataramanan netdev_dbg(vsi->netdev, "updated MAC address to %pM\n", 5729e94d4478SAnirudh Venkataramanan netdev->dev_addr); 5730e94d4478SAnirudh Venkataramanan 5731f9867df6SAnirudh Venkataramanan /* write new MAC address to the firmware */ 5732e94d4478SAnirudh Venkataramanan flags = ICE_AQC_MAN_MAC_UPDATE_LAA_WOL; 57332ccc1c1cSTony Nguyen err = ice_aq_manage_mac_write(hw, mac, flags, NULL); 57342ccc1c1cSTony Nguyen if (err) { 57355f87ec48STony Nguyen netdev_err(netdev, "can't set MAC %pM. write to firmware failed error %d\n", 57362ccc1c1cSTony Nguyen mac, err); 5737e94d4478SAnirudh Venkataramanan } 5738e94d4478SAnirudh Venkataramanan return 0; 5739e94d4478SAnirudh Venkataramanan } 5740e94d4478SAnirudh Venkataramanan 5741e94d4478SAnirudh Venkataramanan /** 5742e94d4478SAnirudh Venkataramanan * ice_set_rx_mode - NDO callback to set the netdev filters 5743e94d4478SAnirudh Venkataramanan * @netdev: network interface device structure 5744e94d4478SAnirudh Venkataramanan */ 5745e94d4478SAnirudh Venkataramanan static void ice_set_rx_mode(struct net_device *netdev) 5746e94d4478SAnirudh Venkataramanan { 5747e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 5748e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 5749e94d4478SAnirudh Venkataramanan 57502571a3faSWojciech Drewek if (!vsi || ice_is_switchdev_running(vsi->back)) 5751e94d4478SAnirudh Venkataramanan return; 5752e94d4478SAnirudh Venkataramanan 5753e94d4478SAnirudh Venkataramanan /* Set the flags to synchronize filters 5754e94d4478SAnirudh Venkataramanan * ndo_set_rx_mode may be triggered even without a change in netdev 5755e94d4478SAnirudh Venkataramanan * flags 5756e94d4478SAnirudh Venkataramanan */ 5757e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_UMAC_FLTR_CHANGED, vsi->state); 5758e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_MMAC_FLTR_CHANGED, vsi->state); 5759e94d4478SAnirudh Venkataramanan set_bit(ICE_FLAG_FLTR_SYNC, vsi->back->flags); 5760e94d4478SAnirudh Venkataramanan 5761e94d4478SAnirudh Venkataramanan /* schedule our worker thread which will take care of 5762e94d4478SAnirudh Venkataramanan * applying the new filter changes 5763e94d4478SAnirudh Venkataramanan */ 5764e94d4478SAnirudh Venkataramanan ice_service_task_schedule(vsi->back); 5765e94d4478SAnirudh Venkataramanan } 5766e94d4478SAnirudh Venkataramanan 5767e94d4478SAnirudh Venkataramanan /** 57681ddef455SUsha Ketineni * ice_set_tx_maxrate - NDO callback to set the maximum per-queue bitrate 57691ddef455SUsha Ketineni * @netdev: network interface device structure 57701ddef455SUsha Ketineni * @queue_index: Queue ID 57711ddef455SUsha Ketineni * @maxrate: maximum bandwidth in Mbps 57721ddef455SUsha Ketineni */ 57731ddef455SUsha Ketineni static int 57741ddef455SUsha Ketineni ice_set_tx_maxrate(struct net_device *netdev, int queue_index, u32 maxrate) 57751ddef455SUsha Ketineni { 57761ddef455SUsha Ketineni struct ice_netdev_priv *np = netdev_priv(netdev); 57771ddef455SUsha Ketineni struct ice_vsi *vsi = np->vsi; 57781ddef455SUsha Ketineni u16 q_handle; 57795518ac2aSTony Nguyen int status; 57801ddef455SUsha Ketineni u8 tc; 57811ddef455SUsha Ketineni 57821ddef455SUsha Ketineni /* Validate maxrate requested is within permitted range */ 57831ddef455SUsha Ketineni if (maxrate && (maxrate > (ICE_SCHED_MAX_BW / 1000))) { 578419cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Invalid max rate %d specified for the queue %d\n", 57851ddef455SUsha Ketineni maxrate, queue_index); 57861ddef455SUsha Ketineni return -EINVAL; 57871ddef455SUsha Ketineni } 57881ddef455SUsha Ketineni 57891ddef455SUsha Ketineni q_handle = vsi->tx_rings[queue_index]->q_handle; 57901ddef455SUsha Ketineni tc = ice_dcb_get_tc(vsi, queue_index); 57911ddef455SUsha Ketineni 5792479cdfe3SSridhar Samudrala vsi = ice_locate_vsi_using_queue(vsi, queue_index); 5793479cdfe3SSridhar Samudrala if (!vsi) { 5794479cdfe3SSridhar Samudrala netdev_err(netdev, "Invalid VSI for given queue %d\n", 5795479cdfe3SSridhar Samudrala queue_index); 5796479cdfe3SSridhar Samudrala return -EINVAL; 5797479cdfe3SSridhar Samudrala } 5798479cdfe3SSridhar Samudrala 57991ddef455SUsha Ketineni /* Set BW back to default, when user set maxrate to 0 */ 58001ddef455SUsha Ketineni if (!maxrate) 58011ddef455SUsha Ketineni status = ice_cfg_q_bw_dflt_lmt(vsi->port_info, vsi->idx, tc, 58021ddef455SUsha Ketineni q_handle, ICE_MAX_BW); 58031ddef455SUsha Ketineni else 58041ddef455SUsha Ketineni status = ice_cfg_q_bw_lmt(vsi->port_info, vsi->idx, tc, 58051ddef455SUsha Ketineni q_handle, ICE_MAX_BW, maxrate * 1000); 5806c1484691STony Nguyen if (status) 58075f87ec48STony Nguyen netdev_err(netdev, "Unable to set Tx max rate, error %d\n", 58085f87ec48STony Nguyen status); 58091ddef455SUsha Ketineni 5810c1484691STony Nguyen return status; 58111ddef455SUsha Ketineni } 58121ddef455SUsha Ketineni 58131ddef455SUsha Ketineni /** 5814e94d4478SAnirudh Venkataramanan * ice_fdb_add - add an entry to the hardware database 5815e94d4478SAnirudh Venkataramanan * @ndm: the input from the stack 5816e94d4478SAnirudh Venkataramanan * @tb: pointer to array of nladdr (unused) 5817e94d4478SAnirudh Venkataramanan * @dev: the net device pointer 5818e94d4478SAnirudh Venkataramanan * @addr: the MAC address entry being added 5819f9867df6SAnirudh Venkataramanan * @vid: VLAN ID 5820e94d4478SAnirudh Venkataramanan * @flags: instructions from stack about fdb operation 582199be37edSBruce Allan * @extack: netlink extended ack 5822e94d4478SAnirudh Venkataramanan */ 582399be37edSBruce Allan static int 582499be37edSBruce Allan ice_fdb_add(struct ndmsg *ndm, struct nlattr __always_unused *tb[], 582599be37edSBruce Allan struct net_device *dev, const unsigned char *addr, u16 vid, 582699be37edSBruce Allan u16 flags, struct netlink_ext_ack __always_unused *extack) 5827e94d4478SAnirudh Venkataramanan { 5828e94d4478SAnirudh Venkataramanan int err; 5829e94d4478SAnirudh Venkataramanan 5830e94d4478SAnirudh Venkataramanan if (vid) { 5831e94d4478SAnirudh Venkataramanan netdev_err(dev, "VLANs aren't supported yet for dev_uc|mc_add()\n"); 5832e94d4478SAnirudh Venkataramanan return -EINVAL; 5833e94d4478SAnirudh Venkataramanan } 5834e94d4478SAnirudh Venkataramanan if (ndm->ndm_state && !(ndm->ndm_state & NUD_PERMANENT)) { 5835e94d4478SAnirudh Venkataramanan netdev_err(dev, "FDB only supports static addresses\n"); 5836e94d4478SAnirudh Venkataramanan return -EINVAL; 5837e94d4478SAnirudh Venkataramanan } 5838e94d4478SAnirudh Venkataramanan 5839e94d4478SAnirudh Venkataramanan if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr)) 5840e94d4478SAnirudh Venkataramanan err = dev_uc_add_excl(dev, addr); 5841e94d4478SAnirudh Venkataramanan else if (is_multicast_ether_addr(addr)) 5842e94d4478SAnirudh Venkataramanan err = dev_mc_add_excl(dev, addr); 5843e94d4478SAnirudh Venkataramanan else 5844e94d4478SAnirudh Venkataramanan err = -EINVAL; 5845e94d4478SAnirudh Venkataramanan 5846e94d4478SAnirudh Venkataramanan /* Only return duplicate errors if NLM_F_EXCL is set */ 5847e94d4478SAnirudh Venkataramanan if (err == -EEXIST && !(flags & NLM_F_EXCL)) 5848e94d4478SAnirudh Venkataramanan err = 0; 5849e94d4478SAnirudh Venkataramanan 5850e94d4478SAnirudh Venkataramanan return err; 5851e94d4478SAnirudh Venkataramanan } 5852e94d4478SAnirudh Venkataramanan 5853e94d4478SAnirudh Venkataramanan /** 5854e94d4478SAnirudh Venkataramanan * ice_fdb_del - delete an entry from the hardware database 5855e94d4478SAnirudh Venkataramanan * @ndm: the input from the stack 5856e94d4478SAnirudh Venkataramanan * @tb: pointer to array of nladdr (unused) 5857e94d4478SAnirudh Venkataramanan * @dev: the net device pointer 5858e94d4478SAnirudh Venkataramanan * @addr: the MAC address entry being added 5859f9867df6SAnirudh Venkataramanan * @vid: VLAN ID 5860ca4567f1SAlaa Mohamed * @extack: netlink extended ack 5861e94d4478SAnirudh Venkataramanan */ 5862c8b7abddSBruce Allan static int 5863c8b7abddSBruce Allan ice_fdb_del(struct ndmsg *ndm, __always_unused struct nlattr *tb[], 5864e94d4478SAnirudh Venkataramanan struct net_device *dev, const unsigned char *addr, 5865ca4567f1SAlaa Mohamed __always_unused u16 vid, struct netlink_ext_ack *extack) 5866e94d4478SAnirudh Venkataramanan { 5867e94d4478SAnirudh Venkataramanan int err; 5868e94d4478SAnirudh Venkataramanan 5869e94d4478SAnirudh Venkataramanan if (ndm->ndm_state & NUD_PERMANENT) { 5870e94d4478SAnirudh Venkataramanan netdev_err(dev, "FDB only supports static addresses\n"); 5871e94d4478SAnirudh Venkataramanan return -EINVAL; 5872e94d4478SAnirudh Venkataramanan } 5873e94d4478SAnirudh Venkataramanan 5874e94d4478SAnirudh Venkataramanan if (is_unicast_ether_addr(addr)) 5875e94d4478SAnirudh Venkataramanan err = dev_uc_del(dev, addr); 5876e94d4478SAnirudh Venkataramanan else if (is_multicast_ether_addr(addr)) 5877e94d4478SAnirudh Venkataramanan err = dev_mc_del(dev, addr); 5878e94d4478SAnirudh Venkataramanan else 5879e94d4478SAnirudh Venkataramanan err = -EINVAL; 5880e94d4478SAnirudh Venkataramanan 5881e94d4478SAnirudh Venkataramanan return err; 5882e94d4478SAnirudh Venkataramanan } 5883e94d4478SAnirudh Venkataramanan 58841babaf77SBrett Creeley #define NETIF_VLAN_OFFLOAD_FEATURES (NETIF_F_HW_VLAN_CTAG_RX | \ 58851babaf77SBrett Creeley NETIF_F_HW_VLAN_CTAG_TX | \ 58861babaf77SBrett Creeley NETIF_F_HW_VLAN_STAG_RX | \ 58871babaf77SBrett Creeley NETIF_F_HW_VLAN_STAG_TX) 58881babaf77SBrett Creeley 5889affa1029SAnatolii Gerasymenko #define NETIF_VLAN_STRIPPING_FEATURES (NETIF_F_HW_VLAN_CTAG_RX | \ 5890affa1029SAnatolii Gerasymenko NETIF_F_HW_VLAN_STAG_RX) 5891affa1029SAnatolii Gerasymenko 58921babaf77SBrett Creeley #define NETIF_VLAN_FILTERING_FEATURES (NETIF_F_HW_VLAN_CTAG_FILTER | \ 58931babaf77SBrett Creeley NETIF_F_HW_VLAN_STAG_FILTER) 58941babaf77SBrett Creeley 58951babaf77SBrett Creeley /** 58961babaf77SBrett Creeley * ice_fix_features - fix the netdev features flags based on device limitations 58971babaf77SBrett Creeley * @netdev: ptr to the netdev that flags are being fixed on 58981babaf77SBrett Creeley * @features: features that need to be checked and possibly fixed 58991babaf77SBrett Creeley * 59001babaf77SBrett Creeley * Make sure any fixups are made to features in this callback. This enables the 59011babaf77SBrett Creeley * driver to not have to check unsupported configurations throughout the driver 59021babaf77SBrett Creeley * because that's the responsiblity of this callback. 59031babaf77SBrett Creeley * 59041babaf77SBrett Creeley * Single VLAN Mode (SVM) Supported Features: 59051babaf77SBrett Creeley * NETIF_F_HW_VLAN_CTAG_FILTER 59061babaf77SBrett Creeley * NETIF_F_HW_VLAN_CTAG_RX 59071babaf77SBrett Creeley * NETIF_F_HW_VLAN_CTAG_TX 59081babaf77SBrett Creeley * 59091babaf77SBrett Creeley * Double VLAN Mode (DVM) Supported Features: 59101babaf77SBrett Creeley * NETIF_F_HW_VLAN_CTAG_FILTER 59111babaf77SBrett Creeley * NETIF_F_HW_VLAN_CTAG_RX 59121babaf77SBrett Creeley * NETIF_F_HW_VLAN_CTAG_TX 59131babaf77SBrett Creeley * 59141babaf77SBrett Creeley * NETIF_F_HW_VLAN_STAG_FILTER 59151babaf77SBrett Creeley * NETIF_HW_VLAN_STAG_RX 59161babaf77SBrett Creeley * NETIF_HW_VLAN_STAG_TX 59171babaf77SBrett Creeley * 59181babaf77SBrett Creeley * Features that need fixing: 59191babaf77SBrett Creeley * Cannot simultaneously enable CTAG and STAG stripping and/or insertion. 59201babaf77SBrett Creeley * These are mutually exlusive as the VSI context cannot support multiple 59211babaf77SBrett Creeley * VLAN ethertypes simultaneously for stripping and/or insertion. If this 59221babaf77SBrett Creeley * is not done, then default to clearing the requested STAG offload 59231babaf77SBrett Creeley * settings. 59241babaf77SBrett Creeley * 59251babaf77SBrett Creeley * All supported filtering has to be enabled or disabled together. For 59261babaf77SBrett Creeley * example, in DVM, CTAG and STAG filtering have to be enabled and disabled 59271babaf77SBrett Creeley * together. If this is not done, then default to VLAN filtering disabled. 59281babaf77SBrett Creeley * These are mutually exclusive as there is currently no way to 59291babaf77SBrett Creeley * enable/disable VLAN filtering based on VLAN ethertype when using VLAN 59301babaf77SBrett Creeley * prune rules. 59311babaf77SBrett Creeley */ 59321babaf77SBrett Creeley static netdev_features_t 59331babaf77SBrett Creeley ice_fix_features(struct net_device *netdev, netdev_features_t features) 59341babaf77SBrett Creeley { 59351babaf77SBrett Creeley struct ice_netdev_priv *np = netdev_priv(netdev); 59369542ef4fSRoman Storozhenko netdev_features_t req_vlan_fltr, cur_vlan_fltr; 59379542ef4fSRoman Storozhenko bool cur_ctag, cur_stag, req_ctag, req_stag; 59381babaf77SBrett Creeley 59399542ef4fSRoman Storozhenko cur_vlan_fltr = netdev->features & NETIF_VLAN_FILTERING_FEATURES; 59409542ef4fSRoman Storozhenko cur_ctag = cur_vlan_fltr & NETIF_F_HW_VLAN_CTAG_FILTER; 59419542ef4fSRoman Storozhenko cur_stag = cur_vlan_fltr & NETIF_F_HW_VLAN_STAG_FILTER; 59421babaf77SBrett Creeley 59439542ef4fSRoman Storozhenko req_vlan_fltr = features & NETIF_VLAN_FILTERING_FEATURES; 59449542ef4fSRoman Storozhenko req_ctag = req_vlan_fltr & NETIF_F_HW_VLAN_CTAG_FILTER; 59459542ef4fSRoman Storozhenko req_stag = req_vlan_fltr & NETIF_F_HW_VLAN_STAG_FILTER; 59461babaf77SBrett Creeley 59479542ef4fSRoman Storozhenko if (req_vlan_fltr != cur_vlan_fltr) { 59489542ef4fSRoman Storozhenko if (ice_is_dvm_ena(&np->vsi->back->hw)) { 59499542ef4fSRoman Storozhenko if (req_ctag && req_stag) { 59509542ef4fSRoman Storozhenko features |= NETIF_VLAN_FILTERING_FEATURES; 59519542ef4fSRoman Storozhenko } else if (!req_ctag && !req_stag) { 59529542ef4fSRoman Storozhenko features &= ~NETIF_VLAN_FILTERING_FEATURES; 59539542ef4fSRoman Storozhenko } else if ((!cur_ctag && req_ctag && !cur_stag) || 59549542ef4fSRoman Storozhenko (!cur_stag && req_stag && !cur_ctag)) { 59559542ef4fSRoman Storozhenko features |= NETIF_VLAN_FILTERING_FEATURES; 59569542ef4fSRoman Storozhenko netdev_warn(netdev, "802.1Q and 802.1ad VLAN filtering must be either both on or both off. VLAN filtering has been enabled for both types.\n"); 59579542ef4fSRoman Storozhenko } else if ((cur_ctag && !req_ctag && cur_stag) || 59589542ef4fSRoman Storozhenko (cur_stag && !req_stag && cur_ctag)) { 59599542ef4fSRoman Storozhenko features &= ~NETIF_VLAN_FILTERING_FEATURES; 59609542ef4fSRoman Storozhenko netdev_warn(netdev, "802.1Q and 802.1ad VLAN filtering must be either both on or both off. VLAN filtering has been disabled for both types.\n"); 59619542ef4fSRoman Storozhenko } 59621babaf77SBrett Creeley } else { 59639542ef4fSRoman Storozhenko if (req_vlan_fltr & NETIF_F_HW_VLAN_STAG_FILTER) 59649542ef4fSRoman Storozhenko netdev_warn(netdev, "cannot support requested 802.1ad filtering setting in SVM mode\n"); 59659542ef4fSRoman Storozhenko 59669542ef4fSRoman Storozhenko if (req_vlan_fltr & NETIF_F_HW_VLAN_CTAG_FILTER) 59679542ef4fSRoman Storozhenko features |= NETIF_F_HW_VLAN_CTAG_FILTER; 59681babaf77SBrett Creeley } 59691babaf77SBrett Creeley } 59701babaf77SBrett Creeley 59711babaf77SBrett Creeley if ((features & (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX)) && 59721babaf77SBrett Creeley (features & (NETIF_F_HW_VLAN_STAG_RX | NETIF_F_HW_VLAN_STAG_TX))) { 59731babaf77SBrett Creeley netdev_warn(netdev, "cannot support CTAG and STAG VLAN stripping and/or insertion simultaneously since CTAG and STAG offloads are mutually exclusive, clearing STAG offload settings\n"); 59741babaf77SBrett Creeley features &= ~(NETIF_F_HW_VLAN_STAG_RX | 59751babaf77SBrett Creeley NETIF_F_HW_VLAN_STAG_TX); 59761babaf77SBrett Creeley } 59771babaf77SBrett Creeley 5978affa1029SAnatolii Gerasymenko if (!(netdev->features & NETIF_F_RXFCS) && 5979affa1029SAnatolii Gerasymenko (features & NETIF_F_RXFCS) && 5980affa1029SAnatolii Gerasymenko (features & NETIF_VLAN_STRIPPING_FEATURES) && 5981affa1029SAnatolii Gerasymenko !ice_vsi_has_non_zero_vlans(np->vsi)) { 5982affa1029SAnatolii Gerasymenko netdev_warn(netdev, "Disabling VLAN stripping as FCS/CRC stripping is also disabled and there is no VLAN configured\n"); 5983affa1029SAnatolii Gerasymenko features &= ~NETIF_VLAN_STRIPPING_FEATURES; 5984affa1029SAnatolii Gerasymenko } 5985affa1029SAnatolii Gerasymenko 59861babaf77SBrett Creeley return features; 59871babaf77SBrett Creeley } 59881babaf77SBrett Creeley 59891babaf77SBrett Creeley /** 59901babaf77SBrett Creeley * ice_set_vlan_offload_features - set VLAN offload features for the PF VSI 59911babaf77SBrett Creeley * @vsi: PF's VSI 59921babaf77SBrett Creeley * @features: features used to determine VLAN offload settings 59931babaf77SBrett Creeley * 59941babaf77SBrett Creeley * First, determine the vlan_ethertype based on the VLAN offload bits in 59951babaf77SBrett Creeley * features. Then determine if stripping and insertion should be enabled or 59961babaf77SBrett Creeley * disabled. Finally enable or disable VLAN stripping and insertion. 59971babaf77SBrett Creeley */ 59981babaf77SBrett Creeley static int 59991babaf77SBrett Creeley ice_set_vlan_offload_features(struct ice_vsi *vsi, netdev_features_t features) 60001babaf77SBrett Creeley { 60011babaf77SBrett Creeley bool enable_stripping = true, enable_insertion = true; 60021babaf77SBrett Creeley struct ice_vsi_vlan_ops *vlan_ops; 60031babaf77SBrett Creeley int strip_err = 0, insert_err = 0; 60041babaf77SBrett Creeley u16 vlan_ethertype = 0; 60051babaf77SBrett Creeley 60061babaf77SBrett Creeley vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 60071babaf77SBrett Creeley 60081babaf77SBrett Creeley if (features & (NETIF_F_HW_VLAN_STAG_RX | NETIF_F_HW_VLAN_STAG_TX)) 60091babaf77SBrett Creeley vlan_ethertype = ETH_P_8021AD; 60101babaf77SBrett Creeley else if (features & (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX)) 60111babaf77SBrett Creeley vlan_ethertype = ETH_P_8021Q; 60121babaf77SBrett Creeley 60131babaf77SBrett Creeley if (!(features & (NETIF_F_HW_VLAN_STAG_RX | NETIF_F_HW_VLAN_CTAG_RX))) 60141babaf77SBrett Creeley enable_stripping = false; 60151babaf77SBrett Creeley if (!(features & (NETIF_F_HW_VLAN_STAG_TX | NETIF_F_HW_VLAN_CTAG_TX))) 60161babaf77SBrett Creeley enable_insertion = false; 60171babaf77SBrett Creeley 60181babaf77SBrett Creeley if (enable_stripping) 60191babaf77SBrett Creeley strip_err = vlan_ops->ena_stripping(vsi, vlan_ethertype); 60201babaf77SBrett Creeley else 60211babaf77SBrett Creeley strip_err = vlan_ops->dis_stripping(vsi); 60221babaf77SBrett Creeley 60231babaf77SBrett Creeley if (enable_insertion) 60241babaf77SBrett Creeley insert_err = vlan_ops->ena_insertion(vsi, vlan_ethertype); 60251babaf77SBrett Creeley else 60261babaf77SBrett Creeley insert_err = vlan_ops->dis_insertion(vsi); 60271babaf77SBrett Creeley 60281babaf77SBrett Creeley if (strip_err || insert_err) 60291babaf77SBrett Creeley return -EIO; 60301babaf77SBrett Creeley 60311babaf77SBrett Creeley return 0; 60321babaf77SBrett Creeley } 60331babaf77SBrett Creeley 60341babaf77SBrett Creeley /** 60351babaf77SBrett Creeley * ice_set_vlan_filtering_features - set VLAN filtering features for the PF VSI 60361babaf77SBrett Creeley * @vsi: PF's VSI 60371babaf77SBrett Creeley * @features: features used to determine VLAN filtering settings 60381babaf77SBrett Creeley * 60391babaf77SBrett Creeley * Enable or disable Rx VLAN filtering based on the VLAN filtering bits in the 60401babaf77SBrett Creeley * features. 60411babaf77SBrett Creeley */ 60421babaf77SBrett Creeley static int 60431babaf77SBrett Creeley ice_set_vlan_filtering_features(struct ice_vsi *vsi, netdev_features_t features) 60441babaf77SBrett Creeley { 60451babaf77SBrett Creeley struct ice_vsi_vlan_ops *vlan_ops = ice_get_compat_vsi_vlan_ops(vsi); 60461babaf77SBrett Creeley int err = 0; 60471babaf77SBrett Creeley 60481babaf77SBrett Creeley /* support Single VLAN Mode (SVM) and Double VLAN Mode (DVM) by checking 60491babaf77SBrett Creeley * if either bit is set 60501babaf77SBrett Creeley */ 60511babaf77SBrett Creeley if (features & 60521babaf77SBrett Creeley (NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_STAG_FILTER)) 60531babaf77SBrett Creeley err = vlan_ops->ena_rx_filtering(vsi); 60541babaf77SBrett Creeley else 60551babaf77SBrett Creeley err = vlan_ops->dis_rx_filtering(vsi); 60561babaf77SBrett Creeley 60571babaf77SBrett Creeley return err; 60581babaf77SBrett Creeley } 60591babaf77SBrett Creeley 60601babaf77SBrett Creeley /** 60611babaf77SBrett Creeley * ice_set_vlan_features - set VLAN settings based on suggested feature set 60621babaf77SBrett Creeley * @netdev: ptr to the netdev being adjusted 60631babaf77SBrett Creeley * @features: the feature set that the stack is suggesting 60641babaf77SBrett Creeley * 60651babaf77SBrett Creeley * Only update VLAN settings if the requested_vlan_features are different than 60661babaf77SBrett Creeley * the current_vlan_features. 60671babaf77SBrett Creeley */ 60681babaf77SBrett Creeley static int 60691babaf77SBrett Creeley ice_set_vlan_features(struct net_device *netdev, netdev_features_t features) 60701babaf77SBrett Creeley { 60711babaf77SBrett Creeley netdev_features_t current_vlan_features, requested_vlan_features; 60721babaf77SBrett Creeley struct ice_netdev_priv *np = netdev_priv(netdev); 60731babaf77SBrett Creeley struct ice_vsi *vsi = np->vsi; 60741babaf77SBrett Creeley int err; 60751babaf77SBrett Creeley 60761babaf77SBrett Creeley current_vlan_features = netdev->features & NETIF_VLAN_OFFLOAD_FEATURES; 60771babaf77SBrett Creeley requested_vlan_features = features & NETIF_VLAN_OFFLOAD_FEATURES; 60781babaf77SBrett Creeley if (current_vlan_features ^ requested_vlan_features) { 6079affa1029SAnatolii Gerasymenko if ((features & NETIF_F_RXFCS) && 6080affa1029SAnatolii Gerasymenko (features & NETIF_VLAN_STRIPPING_FEATURES)) { 6081affa1029SAnatolii Gerasymenko dev_err(ice_pf_to_dev(vsi->back), 6082affa1029SAnatolii Gerasymenko "To enable VLAN stripping, you must first enable FCS/CRC stripping\n"); 6083affa1029SAnatolii Gerasymenko return -EIO; 6084affa1029SAnatolii Gerasymenko } 6085affa1029SAnatolii Gerasymenko 60861babaf77SBrett Creeley err = ice_set_vlan_offload_features(vsi, features); 60871babaf77SBrett Creeley if (err) 60881babaf77SBrett Creeley return err; 60891babaf77SBrett Creeley } 60901babaf77SBrett Creeley 60911babaf77SBrett Creeley current_vlan_features = netdev->features & 60921babaf77SBrett Creeley NETIF_VLAN_FILTERING_FEATURES; 60931babaf77SBrett Creeley requested_vlan_features = features & NETIF_VLAN_FILTERING_FEATURES; 60941babaf77SBrett Creeley if (current_vlan_features ^ requested_vlan_features) { 60951babaf77SBrett Creeley err = ice_set_vlan_filtering_features(vsi, features); 60961babaf77SBrett Creeley if (err) 60971babaf77SBrett Creeley return err; 60981babaf77SBrett Creeley } 60991babaf77SBrett Creeley 61001babaf77SBrett Creeley return 0; 61011babaf77SBrett Creeley } 61021babaf77SBrett Creeley 6103e94d4478SAnirudh Venkataramanan /** 610444ece4e1SMaciej Fijalkowski * ice_set_loopback - turn on/off loopback mode on underlying PF 610544ece4e1SMaciej Fijalkowski * @vsi: ptr to VSI 610644ece4e1SMaciej Fijalkowski * @ena: flag to indicate the on/off setting 610744ece4e1SMaciej Fijalkowski */ 610844ece4e1SMaciej Fijalkowski static int ice_set_loopback(struct ice_vsi *vsi, bool ena) 610944ece4e1SMaciej Fijalkowski { 611044ece4e1SMaciej Fijalkowski bool if_running = netif_running(vsi->netdev); 611144ece4e1SMaciej Fijalkowski int ret; 611244ece4e1SMaciej Fijalkowski 611344ece4e1SMaciej Fijalkowski if (if_running && !test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 611444ece4e1SMaciej Fijalkowski ret = ice_down(vsi); 611544ece4e1SMaciej Fijalkowski if (ret) { 611644ece4e1SMaciej Fijalkowski netdev_err(vsi->netdev, "Preparing device to toggle loopback failed\n"); 611744ece4e1SMaciej Fijalkowski return ret; 611844ece4e1SMaciej Fijalkowski } 611944ece4e1SMaciej Fijalkowski } 612044ece4e1SMaciej Fijalkowski ret = ice_aq_set_mac_loopback(&vsi->back->hw, ena, NULL); 612144ece4e1SMaciej Fijalkowski if (ret) 612244ece4e1SMaciej Fijalkowski netdev_err(vsi->netdev, "Failed to toggle loopback state\n"); 612344ece4e1SMaciej Fijalkowski if (if_running) 612444ece4e1SMaciej Fijalkowski ret = ice_up(vsi); 612544ece4e1SMaciej Fijalkowski 612644ece4e1SMaciej Fijalkowski return ret; 612744ece4e1SMaciej Fijalkowski } 612844ece4e1SMaciej Fijalkowski 612944ece4e1SMaciej Fijalkowski /** 6130d76a60baSAnirudh Venkataramanan * ice_set_features - set the netdev feature flags 6131d76a60baSAnirudh Venkataramanan * @netdev: ptr to the netdev being adjusted 6132d76a60baSAnirudh Venkataramanan * @features: the feature set that the stack is suggesting 6133d76a60baSAnirudh Venkataramanan */ 6134c8b7abddSBruce Allan static int 6135c8b7abddSBruce Allan ice_set_features(struct net_device *netdev, netdev_features_t features) 6136d76a60baSAnirudh Venkataramanan { 6137c67672faSMaciej Fijalkowski netdev_features_t changed = netdev->features ^ features; 6138d76a60baSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 6139d76a60baSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 61405f8cc355SHenry Tieman struct ice_pf *pf = vsi->back; 6141d76a60baSAnirudh Venkataramanan int ret = 0; 6142d76a60baSAnirudh Venkataramanan 6143462acf6aSTony Nguyen /* Don't set any netdev advanced features with device in Safe Mode */ 6144c67672faSMaciej Fijalkowski if (ice_is_safe_mode(pf)) { 6145c67672faSMaciej Fijalkowski dev_err(ice_pf_to_dev(pf), 6146c67672faSMaciej Fijalkowski "Device is in Safe Mode - not enabling advanced netdev features\n"); 6147462acf6aSTony Nguyen return ret; 6148462acf6aSTony Nguyen } 6149462acf6aSTony Nguyen 61505f8cc355SHenry Tieman /* Do not change setting during reset */ 61515f8cc355SHenry Tieman if (ice_is_reset_in_progress(pf->state)) { 6152c67672faSMaciej Fijalkowski dev_err(ice_pf_to_dev(pf), 6153c67672faSMaciej Fijalkowski "Device is resetting, changing advanced netdev features temporarily unavailable.\n"); 61545f8cc355SHenry Tieman return -EBUSY; 61555f8cc355SHenry Tieman } 61565f8cc355SHenry Tieman 61578f529ff9STony Nguyen /* Multiple features can be changed in one call so keep features in 61588f529ff9STony Nguyen * separate if/else statements to guarantee each feature is checked 61598f529ff9STony Nguyen */ 6160c67672faSMaciej Fijalkowski if (changed & NETIF_F_RXHASH) 6161c67672faSMaciej Fijalkowski ice_vsi_manage_rss_lut(vsi, !!(features & NETIF_F_RXHASH)); 6162492af0abSMd Fahad Iqbal Polash 61631babaf77SBrett Creeley ret = ice_set_vlan_features(netdev, features); 61641babaf77SBrett Creeley if (ret) 61651babaf77SBrett Creeley return ret; 61663171948eSTony Nguyen 6167dddd406dSJesse Brandeburg /* Turn on receive of FCS aka CRC, and after setting this 6168dddd406dSJesse Brandeburg * flag the packet data will have the 4 byte CRC appended 6169dddd406dSJesse Brandeburg */ 6170dddd406dSJesse Brandeburg if (changed & NETIF_F_RXFCS) { 6171affa1029SAnatolii Gerasymenko if ((features & NETIF_F_RXFCS) && 6172affa1029SAnatolii Gerasymenko (features & NETIF_VLAN_STRIPPING_FEATURES)) { 6173affa1029SAnatolii Gerasymenko dev_err(ice_pf_to_dev(vsi->back), 6174affa1029SAnatolii Gerasymenko "To disable FCS/CRC stripping, you must first disable VLAN stripping\n"); 6175affa1029SAnatolii Gerasymenko return -EIO; 6176affa1029SAnatolii Gerasymenko } 6177affa1029SAnatolii Gerasymenko 6178dddd406dSJesse Brandeburg ice_vsi_cfg_crc_strip(vsi, !!(features & NETIF_F_RXFCS)); 6179dddd406dSJesse Brandeburg ret = ice_down_up(vsi); 6180dddd406dSJesse Brandeburg if (ret) 6181dddd406dSJesse Brandeburg return ret; 6182dddd406dSJesse Brandeburg } 6183dddd406dSJesse Brandeburg 6184c67672faSMaciej Fijalkowski if (changed & NETIF_F_NTUPLE) { 6185c67672faSMaciej Fijalkowski bool ena = !!(features & NETIF_F_NTUPLE); 6186c67672faSMaciej Fijalkowski 6187c67672faSMaciej Fijalkowski ice_vsi_manage_fdir(vsi, ena); 6188c67672faSMaciej Fijalkowski ena ? ice_init_arfs(vsi) : ice_clear_arfs(vsi); 618928bf2672SBrett Creeley } 6190148beb61SHenry Tieman 6191fbc7b27aSKiran Patil /* don't turn off hw_tc_offload when ADQ is already enabled */ 6192fbc7b27aSKiran Patil if (!(features & NETIF_F_HW_TC) && ice_is_adq_active(pf)) { 6193fbc7b27aSKiran Patil dev_err(ice_pf_to_dev(pf), "ADQ is active, can't turn hw_tc_offload off\n"); 6194fbc7b27aSKiran Patil return -EACCES; 6195fbc7b27aSKiran Patil } 61969fea7498SKiran Patil 6197c67672faSMaciej Fijalkowski if (changed & NETIF_F_HW_TC) { 6198c67672faSMaciej Fijalkowski bool ena = !!(features & NETIF_F_HW_TC); 61999fea7498SKiran Patil 6200c67672faSMaciej Fijalkowski ena ? set_bit(ICE_FLAG_CLS_FLOWER, pf->flags) : 6201f9867df6SAnirudh Venkataramanan clear_bit(ICE_FLAG_CLS_FLOWER, pf->flags); 6202c67672faSMaciej Fijalkowski } 6203d76a60baSAnirudh Venkataramanan 620444ece4e1SMaciej Fijalkowski if (changed & NETIF_F_LOOPBACK) 620544ece4e1SMaciej Fijalkowski ret = ice_set_loopback(vsi, !!(features & NETIF_F_LOOPBACK)); 620644ece4e1SMaciej Fijalkowski 620744ece4e1SMaciej Fijalkowski return ret; 6208d76a60baSAnirudh Venkataramanan } 6209d76a60baSAnirudh Venkataramanan 6210d76a60baSAnirudh Venkataramanan /** 6211c31af68aSBrett Creeley * ice_vsi_vlan_setup - Setup VLAN offload properties on a PF VSI 6212d76a60baSAnirudh Venkataramanan * @vsi: VSI to setup VLAN properties for 6213d76a60baSAnirudh Venkataramanan */ 6214d76a60baSAnirudh Venkataramanan static int ice_vsi_vlan_setup(struct ice_vsi *vsi) 6215d76a60baSAnirudh Venkataramanan { 62161babaf77SBrett Creeley int err; 6217d76a60baSAnirudh Venkataramanan 62181babaf77SBrett Creeley err = ice_set_vlan_offload_features(vsi, vsi->netdev->features); 62191babaf77SBrett Creeley if (err) 62201babaf77SBrett Creeley return err; 6221d76a60baSAnirudh Venkataramanan 62221babaf77SBrett Creeley err = ice_set_vlan_filtering_features(vsi, vsi->netdev->features); 62231babaf77SBrett Creeley if (err) 62241babaf77SBrett Creeley return err; 6225d76a60baSAnirudh Venkataramanan 6226c31af68aSBrett Creeley return ice_vsi_add_vlan_zero(vsi); 6227d76a60baSAnirudh Venkataramanan } 6228d76a60baSAnirudh Venkataramanan 6229d76a60baSAnirudh Venkataramanan /** 62300db66d20SMichal Swiatkowski * ice_vsi_cfg_lan - Setup the VSI lan related config 6231cdedef59SAnirudh Venkataramanan * @vsi: the VSI being configured 6232cdedef59SAnirudh Venkataramanan * 6233cdedef59SAnirudh Venkataramanan * Return 0 on success and negative value on error 6234cdedef59SAnirudh Venkataramanan */ 62350db66d20SMichal Swiatkowski int ice_vsi_cfg_lan(struct ice_vsi *vsi) 6236cdedef59SAnirudh Venkataramanan { 6237cdedef59SAnirudh Venkataramanan int err; 6238cdedef59SAnirudh Venkataramanan 62396a8d013eSJesse Brandeburg if (vsi->netdev && vsi->type == ICE_VSI_PF) { 6240e94d4478SAnirudh Venkataramanan ice_set_rx_mode(vsi->netdev); 62419ecd25c2SAnirudh Venkataramanan 62429ecd25c2SAnirudh Venkataramanan err = ice_vsi_vlan_setup(vsi); 6243d76a60baSAnirudh Venkataramanan if (err) 6244d76a60baSAnirudh Venkataramanan return err; 6245c7f2c42bSAnirudh Venkataramanan } 6246a629cf0aSAnirudh Venkataramanan ice_vsi_cfg_dcb_rings(vsi); 624703f7a986SAnirudh Venkataramanan 624803f7a986SAnirudh Venkataramanan err = ice_vsi_cfg_lan_txqs(vsi); 6249efc2214bSMaciej Fijalkowski if (!err && ice_is_xdp_ena_vsi(vsi)) 6250efc2214bSMaciej Fijalkowski err = ice_vsi_cfg_xdp_txqs(vsi); 6251cdedef59SAnirudh Venkataramanan if (!err) 6252cdedef59SAnirudh Venkataramanan err = ice_vsi_cfg_rxqs(vsi); 6253cdedef59SAnirudh Venkataramanan 6254cdedef59SAnirudh Venkataramanan return err; 6255cdedef59SAnirudh Venkataramanan } 6256cdedef59SAnirudh Venkataramanan 6257cdf1f1f1SJacob Keller /* THEORY OF MODERATION: 6258d8eb7ad5SJesse Brandeburg * The ice driver hardware works differently than the hardware that DIMLIB was 6259cdf1f1f1SJacob Keller * originally made for. ice hardware doesn't have packet count limits that 6260cdf1f1f1SJacob Keller * can trigger an interrupt, but it *does* have interrupt rate limit support, 6261d8eb7ad5SJesse Brandeburg * which is hard-coded to a limit of 250,000 ints/second. 6262d8eb7ad5SJesse Brandeburg * If not using dynamic moderation, the INTRL value can be modified 6263d8eb7ad5SJesse Brandeburg * by ethtool rx-usecs-high. 6264cdf1f1f1SJacob Keller */ 6265cdf1f1f1SJacob Keller struct ice_dim { 6266cdf1f1f1SJacob Keller /* the throttle rate for interrupts, basically worst case delay before 6267cdf1f1f1SJacob Keller * an initial interrupt fires, value is stored in microseconds. 6268cdf1f1f1SJacob Keller */ 6269cdf1f1f1SJacob Keller u16 itr; 6270cdf1f1f1SJacob Keller }; 6271cdf1f1f1SJacob Keller 6272cdf1f1f1SJacob Keller /* Make a different profile for Rx that doesn't allow quite so aggressive 6273d8eb7ad5SJesse Brandeburg * moderation at the high end (it maxes out at 126us or about 8k interrupts a 6274d8eb7ad5SJesse Brandeburg * second. 6275cdf1f1f1SJacob Keller */ 6276cdf1f1f1SJacob Keller static const struct ice_dim rx_profile[] = { 6277d8eb7ad5SJesse Brandeburg {2}, /* 500,000 ints/s, capped at 250K by INTRL */ 6278d8eb7ad5SJesse Brandeburg {8}, /* 125,000 ints/s */ 6279d8eb7ad5SJesse Brandeburg {16}, /* 62,500 ints/s */ 6280d8eb7ad5SJesse Brandeburg {62}, /* 16,129 ints/s */ 6281d8eb7ad5SJesse Brandeburg {126} /* 7,936 ints/s */ 6282cdf1f1f1SJacob Keller }; 6283cdf1f1f1SJacob Keller 6284cdf1f1f1SJacob Keller /* The transmit profile, which has the same sorts of values 6285cdf1f1f1SJacob Keller * as the previous struct 6286cdf1f1f1SJacob Keller */ 6287cdf1f1f1SJacob Keller static const struct ice_dim tx_profile[] = { 6288d8eb7ad5SJesse Brandeburg {2}, /* 500,000 ints/s, capped at 250K by INTRL */ 6289d8eb7ad5SJesse Brandeburg {8}, /* 125,000 ints/s */ 6290d8eb7ad5SJesse Brandeburg {40}, /* 16,125 ints/s */ 6291d8eb7ad5SJesse Brandeburg {128}, /* 7,812 ints/s */ 6292d8eb7ad5SJesse Brandeburg {256} /* 3,906 ints/s */ 6293cdf1f1f1SJacob Keller }; 6294cdf1f1f1SJacob Keller 6295cdf1f1f1SJacob Keller static void ice_tx_dim_work(struct work_struct *work) 6296cdf1f1f1SJacob Keller { 6297cdf1f1f1SJacob Keller struct ice_ring_container *rc; 6298cdf1f1f1SJacob Keller struct dim *dim; 6299d8eb7ad5SJesse Brandeburg u16 itr; 6300cdf1f1f1SJacob Keller 6301cdf1f1f1SJacob Keller dim = container_of(work, struct dim, work); 6302c59cc267SWu Yunchuan rc = dim->priv; 6303cdf1f1f1SJacob Keller 6304d8eb7ad5SJesse Brandeburg WARN_ON(dim->profile_ix >= ARRAY_SIZE(tx_profile)); 6305cdf1f1f1SJacob Keller 6306cdf1f1f1SJacob Keller /* look up the values in our local table */ 6307cdf1f1f1SJacob Keller itr = tx_profile[dim->profile_ix].itr; 6308cdf1f1f1SJacob Keller 6309d8eb7ad5SJesse Brandeburg ice_trace(tx_dim_work, container_of(rc, struct ice_q_vector, tx), dim); 6310cdf1f1f1SJacob Keller ice_write_itr(rc, itr); 6311cdf1f1f1SJacob Keller 6312cdf1f1f1SJacob Keller dim->state = DIM_START_MEASURE; 6313cdf1f1f1SJacob Keller } 6314cdf1f1f1SJacob Keller 6315cdf1f1f1SJacob Keller static void ice_rx_dim_work(struct work_struct *work) 6316cdf1f1f1SJacob Keller { 6317cdf1f1f1SJacob Keller struct ice_ring_container *rc; 6318cdf1f1f1SJacob Keller struct dim *dim; 6319d8eb7ad5SJesse Brandeburg u16 itr; 6320cdf1f1f1SJacob Keller 6321cdf1f1f1SJacob Keller dim = container_of(work, struct dim, work); 6322c59cc267SWu Yunchuan rc = dim->priv; 6323cdf1f1f1SJacob Keller 6324d8eb7ad5SJesse Brandeburg WARN_ON(dim->profile_ix >= ARRAY_SIZE(rx_profile)); 6325cdf1f1f1SJacob Keller 6326cdf1f1f1SJacob Keller /* look up the values in our local table */ 6327cdf1f1f1SJacob Keller itr = rx_profile[dim->profile_ix].itr; 6328cdf1f1f1SJacob Keller 6329d8eb7ad5SJesse Brandeburg ice_trace(rx_dim_work, container_of(rc, struct ice_q_vector, rx), dim); 6330cdf1f1f1SJacob Keller ice_write_itr(rc, itr); 6331cdf1f1f1SJacob Keller 6332cdf1f1f1SJacob Keller dim->state = DIM_START_MEASURE; 6333cdf1f1f1SJacob Keller } 6334cdf1f1f1SJacob Keller 6335d8eb7ad5SJesse Brandeburg #define ICE_DIM_DEFAULT_PROFILE_IX 1 6336d8eb7ad5SJesse Brandeburg 6337d8eb7ad5SJesse Brandeburg /** 6338d8eb7ad5SJesse Brandeburg * ice_init_moderation - set up interrupt moderation 6339d8eb7ad5SJesse Brandeburg * @q_vector: the vector containing rings to be configured 6340d8eb7ad5SJesse Brandeburg * 6341d8eb7ad5SJesse Brandeburg * Set up interrupt moderation registers, with the intent to do the right thing 6342d8eb7ad5SJesse Brandeburg * when called from reset or from probe, and whether or not dynamic moderation 6343d8eb7ad5SJesse Brandeburg * is enabled or not. Take special care to write all the registers in both 6344d8eb7ad5SJesse Brandeburg * dynamic moderation mode or not in order to make sure hardware is in a known 6345d8eb7ad5SJesse Brandeburg * state. 6346d8eb7ad5SJesse Brandeburg */ 6347d8eb7ad5SJesse Brandeburg static void ice_init_moderation(struct ice_q_vector *q_vector) 6348d8eb7ad5SJesse Brandeburg { 6349d8eb7ad5SJesse Brandeburg struct ice_ring_container *rc; 6350d8eb7ad5SJesse Brandeburg bool tx_dynamic, rx_dynamic; 6351d8eb7ad5SJesse Brandeburg 6352d8eb7ad5SJesse Brandeburg rc = &q_vector->tx; 6353d8eb7ad5SJesse Brandeburg INIT_WORK(&rc->dim.work, ice_tx_dim_work); 6354d8eb7ad5SJesse Brandeburg rc->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE; 6355d8eb7ad5SJesse Brandeburg rc->dim.profile_ix = ICE_DIM_DEFAULT_PROFILE_IX; 6356d8eb7ad5SJesse Brandeburg rc->dim.priv = rc; 6357d8eb7ad5SJesse Brandeburg tx_dynamic = ITR_IS_DYNAMIC(rc); 6358d8eb7ad5SJesse Brandeburg 6359d8eb7ad5SJesse Brandeburg /* set the initial TX ITR to match the above */ 6360d8eb7ad5SJesse Brandeburg ice_write_itr(rc, tx_dynamic ? 6361d8eb7ad5SJesse Brandeburg tx_profile[rc->dim.profile_ix].itr : rc->itr_setting); 6362d8eb7ad5SJesse Brandeburg 6363d8eb7ad5SJesse Brandeburg rc = &q_vector->rx; 6364d8eb7ad5SJesse Brandeburg INIT_WORK(&rc->dim.work, ice_rx_dim_work); 6365d8eb7ad5SJesse Brandeburg rc->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE; 6366d8eb7ad5SJesse Brandeburg rc->dim.profile_ix = ICE_DIM_DEFAULT_PROFILE_IX; 6367d8eb7ad5SJesse Brandeburg rc->dim.priv = rc; 6368d8eb7ad5SJesse Brandeburg rx_dynamic = ITR_IS_DYNAMIC(rc); 6369d8eb7ad5SJesse Brandeburg 6370d8eb7ad5SJesse Brandeburg /* set the initial RX ITR to match the above */ 6371d8eb7ad5SJesse Brandeburg ice_write_itr(rc, rx_dynamic ? rx_profile[rc->dim.profile_ix].itr : 6372d8eb7ad5SJesse Brandeburg rc->itr_setting); 6373d8eb7ad5SJesse Brandeburg 6374d8eb7ad5SJesse Brandeburg ice_set_q_vector_intrl(q_vector); 6375d8eb7ad5SJesse Brandeburg } 6376d8eb7ad5SJesse Brandeburg 6377cdedef59SAnirudh Venkataramanan /** 63782b245cb2SAnirudh Venkataramanan * ice_napi_enable_all - Enable NAPI for all q_vectors in the VSI 63792b245cb2SAnirudh Venkataramanan * @vsi: the VSI being configured 63802b245cb2SAnirudh Venkataramanan */ 63812b245cb2SAnirudh Venkataramanan static void ice_napi_enable_all(struct ice_vsi *vsi) 63822b245cb2SAnirudh Venkataramanan { 63832b245cb2SAnirudh Venkataramanan int q_idx; 63842b245cb2SAnirudh Venkataramanan 63852b245cb2SAnirudh Venkataramanan if (!vsi->netdev) 63862b245cb2SAnirudh Venkataramanan return; 63872b245cb2SAnirudh Venkataramanan 63880c2561c8SBrett Creeley ice_for_each_q_vector(vsi, q_idx) { 6389eec90376SYoung Xiao struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 6390eec90376SYoung Xiao 6391d8eb7ad5SJesse Brandeburg ice_init_moderation(q_vector); 6392cdf1f1f1SJacob Keller 6393e72bba21SMaciej Fijalkowski if (q_vector->rx.rx_ring || q_vector->tx.tx_ring) 6394eec90376SYoung Xiao napi_enable(&q_vector->napi); 6395eec90376SYoung Xiao } 63962b245cb2SAnirudh Venkataramanan } 63972b245cb2SAnirudh Venkataramanan 63982b245cb2SAnirudh Venkataramanan /** 6399cdedef59SAnirudh Venkataramanan * ice_up_complete - Finish the last steps of bringing up a connection 6400cdedef59SAnirudh Venkataramanan * @vsi: The VSI being configured 6401cdedef59SAnirudh Venkataramanan * 6402cdedef59SAnirudh Venkataramanan * Return 0 on success and negative value on error 6403cdedef59SAnirudh Venkataramanan */ 6404cdedef59SAnirudh Venkataramanan static int ice_up_complete(struct ice_vsi *vsi) 6405cdedef59SAnirudh Venkataramanan { 6406cdedef59SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 6407cdedef59SAnirudh Venkataramanan int err; 6408cdedef59SAnirudh Venkataramanan 6409cdedef59SAnirudh Venkataramanan ice_vsi_cfg_msix(vsi); 6410cdedef59SAnirudh Venkataramanan 6411cdedef59SAnirudh Venkataramanan /* Enable only Rx rings, Tx rings were enabled by the FW when the 6412cdedef59SAnirudh Venkataramanan * Tx queue group list was configured and the context bits were 6413cdedef59SAnirudh Venkataramanan * programmed using ice_vsi_cfg_txqs 6414cdedef59SAnirudh Venkataramanan */ 641513a6233bSBrett Creeley err = ice_vsi_start_all_rx_rings(vsi); 6416cdedef59SAnirudh Venkataramanan if (err) 6417cdedef59SAnirudh Venkataramanan return err; 6418cdedef59SAnirudh Venkataramanan 6419e97fb1aeSAnirudh Venkataramanan clear_bit(ICE_VSI_DOWN, vsi->state); 64202b245cb2SAnirudh Venkataramanan ice_napi_enable_all(vsi); 6421cdedef59SAnirudh Venkataramanan ice_vsi_ena_irq(vsi); 6422cdedef59SAnirudh Venkataramanan 6423cdedef59SAnirudh Venkataramanan if (vsi->port_info && 6424cdedef59SAnirudh Venkataramanan (vsi->port_info->phy.link_info.link_info & ICE_AQ_LINK_UP) && 64256a8d013eSJesse Brandeburg vsi->netdev && vsi->type == ICE_VSI_PF) { 6426cdedef59SAnirudh Venkataramanan ice_print_link_msg(vsi, true); 6427cdedef59SAnirudh Venkataramanan netif_tx_start_all_queues(vsi->netdev); 6428cdedef59SAnirudh Venkataramanan netif_carrier_on(vsi->netdev); 64293a749623SJacob Keller ice_ptp_link_change(pf, pf->hw.pf_id, true); 6430cdedef59SAnirudh Venkataramanan } 6431cdedef59SAnirudh Venkataramanan 643231b6298fSPaul Greenwalt /* Perform an initial read of the statistics registers now to 643331b6298fSPaul Greenwalt * set the baseline so counters are ready when interface is up 643431b6298fSPaul Greenwalt */ 643531b6298fSPaul Greenwalt ice_update_eth_stats(vsi); 64366a8d013eSJesse Brandeburg 64376a8d013eSJesse Brandeburg if (vsi->type == ICE_VSI_PF) 6438cdedef59SAnirudh Venkataramanan ice_service_task_schedule(pf); 6439cdedef59SAnirudh Venkataramanan 64401b5c19c7SBruce Allan return 0; 6441cdedef59SAnirudh Venkataramanan } 6442cdedef59SAnirudh Venkataramanan 6443cdedef59SAnirudh Venkataramanan /** 6444fcea6f3dSAnirudh Venkataramanan * ice_up - Bring the connection back up after being down 6445fcea6f3dSAnirudh Venkataramanan * @vsi: VSI being configured 6446fcea6f3dSAnirudh Venkataramanan */ 6447fcea6f3dSAnirudh Venkataramanan int ice_up(struct ice_vsi *vsi) 6448fcea6f3dSAnirudh Venkataramanan { 6449fcea6f3dSAnirudh Venkataramanan int err; 6450fcea6f3dSAnirudh Venkataramanan 64510db66d20SMichal Swiatkowski err = ice_vsi_cfg_lan(vsi); 6452fcea6f3dSAnirudh Venkataramanan if (!err) 6453fcea6f3dSAnirudh Venkataramanan err = ice_up_complete(vsi); 6454fcea6f3dSAnirudh Venkataramanan 6455fcea6f3dSAnirudh Venkataramanan return err; 6456fcea6f3dSAnirudh Venkataramanan } 6457fcea6f3dSAnirudh Venkataramanan 6458fcea6f3dSAnirudh Venkataramanan /** 6459fcea6f3dSAnirudh Venkataramanan * ice_fetch_u64_stats_per_ring - get packets and bytes stats per ring 6460e72bba21SMaciej Fijalkowski * @syncp: pointer to u64_stats_sync 6461e72bba21SMaciej Fijalkowski * @stats: stats that pkts and bytes count will be taken from 6462fcea6f3dSAnirudh Venkataramanan * @pkts: packets stats counter 6463fcea6f3dSAnirudh Venkataramanan * @bytes: bytes stats counter 6464fcea6f3dSAnirudh Venkataramanan * 6465fcea6f3dSAnirudh Venkataramanan * This function fetches stats from the ring considering the atomic operations 6466fcea6f3dSAnirudh Venkataramanan * that needs to be performed to read u64 values in 32 bit machine. 6467fcea6f3dSAnirudh Venkataramanan */ 6468c8ff29b5SMarcin Szycik void 6469c8ff29b5SMarcin Szycik ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp, 6470c8ff29b5SMarcin Szycik struct ice_q_stats stats, u64 *pkts, u64 *bytes) 6471fcea6f3dSAnirudh Venkataramanan { 6472fcea6f3dSAnirudh Venkataramanan unsigned int start; 6473fcea6f3dSAnirudh Venkataramanan 6474fcea6f3dSAnirudh Venkataramanan do { 6475068c38adSThomas Gleixner start = u64_stats_fetch_begin(syncp); 6476e72bba21SMaciej Fijalkowski *pkts = stats.pkts; 6477e72bba21SMaciej Fijalkowski *bytes = stats.bytes; 6478068c38adSThomas Gleixner } while (u64_stats_fetch_retry(syncp, start)); 6479fcea6f3dSAnirudh Venkataramanan } 6480fcea6f3dSAnirudh Venkataramanan 6481fcea6f3dSAnirudh Venkataramanan /** 648249d358e0SMarta Plantykow * ice_update_vsi_tx_ring_stats - Update VSI Tx ring stats counters 648349d358e0SMarta Plantykow * @vsi: the VSI to be updated 64841a0f25a5SJesse Brandeburg * @vsi_stats: the stats struct to be updated 648549d358e0SMarta Plantykow * @rings: rings to work on 648649d358e0SMarta Plantykow * @count: number of rings 648749d358e0SMarta Plantykow */ 648849d358e0SMarta Plantykow static void 64891a0f25a5SJesse Brandeburg ice_update_vsi_tx_ring_stats(struct ice_vsi *vsi, 64901a0f25a5SJesse Brandeburg struct rtnl_link_stats64 *vsi_stats, 64911a0f25a5SJesse Brandeburg struct ice_tx_ring **rings, u16 count) 649249d358e0SMarta Plantykow { 649349d358e0SMarta Plantykow u16 i; 649449d358e0SMarta Plantykow 649549d358e0SMarta Plantykow for (i = 0; i < count; i++) { 6496e72bba21SMaciej Fijalkowski struct ice_tx_ring *ring; 6497e72bba21SMaciej Fijalkowski u64 pkts = 0, bytes = 0; 649849d358e0SMarta Plantykow 649949d358e0SMarta Plantykow ring = READ_ONCE(rings[i]); 6500288ecf49SBenjamin Mikailenko if (!ring || !ring->ring_stats) 6501f1535469SMaciej Fijalkowski continue; 6502288ecf49SBenjamin Mikailenko ice_fetch_u64_stats_per_ring(&ring->ring_stats->syncp, 6503288ecf49SBenjamin Mikailenko ring->ring_stats->stats, &pkts, 6504288ecf49SBenjamin Mikailenko &bytes); 650549d358e0SMarta Plantykow vsi_stats->tx_packets += pkts; 650649d358e0SMarta Plantykow vsi_stats->tx_bytes += bytes; 6507288ecf49SBenjamin Mikailenko vsi->tx_restart += ring->ring_stats->tx_stats.restart_q; 6508288ecf49SBenjamin Mikailenko vsi->tx_busy += ring->ring_stats->tx_stats.tx_busy; 6509288ecf49SBenjamin Mikailenko vsi->tx_linearize += ring->ring_stats->tx_stats.tx_linearize; 651049d358e0SMarta Plantykow } 651149d358e0SMarta Plantykow } 651249d358e0SMarta Plantykow 651349d358e0SMarta Plantykow /** 6514fcea6f3dSAnirudh Venkataramanan * ice_update_vsi_ring_stats - Update VSI stats counters 6515fcea6f3dSAnirudh Venkataramanan * @vsi: the VSI to be updated 6516fcea6f3dSAnirudh Venkataramanan */ 6517fcea6f3dSAnirudh Venkataramanan static void ice_update_vsi_ring_stats(struct ice_vsi *vsi) 6518fcea6f3dSAnirudh Venkataramanan { 65192fd5e433SBenjamin Mikailenko struct rtnl_link_stats64 *net_stats, *stats_prev; 65201a0f25a5SJesse Brandeburg struct rtnl_link_stats64 *vsi_stats; 6521fcea6f3dSAnirudh Venkataramanan u64 pkts, bytes; 6522fcea6f3dSAnirudh Venkataramanan int i; 6523fcea6f3dSAnirudh Venkataramanan 65241a0f25a5SJesse Brandeburg vsi_stats = kzalloc(sizeof(*vsi_stats), GFP_ATOMIC); 65251a0f25a5SJesse Brandeburg if (!vsi_stats) 65261a0f25a5SJesse Brandeburg return; 6527fcea6f3dSAnirudh Venkataramanan 6528fcea6f3dSAnirudh Venkataramanan /* reset non-netdev (extended) stats */ 6529fcea6f3dSAnirudh Venkataramanan vsi->tx_restart = 0; 6530fcea6f3dSAnirudh Venkataramanan vsi->tx_busy = 0; 6531fcea6f3dSAnirudh Venkataramanan vsi->tx_linearize = 0; 6532fcea6f3dSAnirudh Venkataramanan vsi->rx_buf_failed = 0; 6533fcea6f3dSAnirudh Venkataramanan vsi->rx_page_failed = 0; 6534fcea6f3dSAnirudh Venkataramanan 6535fcea6f3dSAnirudh Venkataramanan rcu_read_lock(); 6536fcea6f3dSAnirudh Venkataramanan 6537fcea6f3dSAnirudh Venkataramanan /* update Tx rings counters */ 65381a0f25a5SJesse Brandeburg ice_update_vsi_tx_ring_stats(vsi, vsi_stats, vsi->tx_rings, 65391a0f25a5SJesse Brandeburg vsi->num_txq); 6540fcea6f3dSAnirudh Venkataramanan 6541fcea6f3dSAnirudh Venkataramanan /* update Rx rings counters */ 6542fcea6f3dSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) { 6543e72bba21SMaciej Fijalkowski struct ice_rx_ring *ring = READ_ONCE(vsi->rx_rings[i]); 6544288ecf49SBenjamin Mikailenko struct ice_ring_stats *ring_stats; 6545b6b0501dSPaul M Stillwell Jr 6546288ecf49SBenjamin Mikailenko ring_stats = ring->ring_stats; 6547288ecf49SBenjamin Mikailenko ice_fetch_u64_stats_per_ring(&ring_stats->syncp, 6548288ecf49SBenjamin Mikailenko ring_stats->stats, &pkts, 6549288ecf49SBenjamin Mikailenko &bytes); 6550fcea6f3dSAnirudh Venkataramanan vsi_stats->rx_packets += pkts; 6551fcea6f3dSAnirudh Venkataramanan vsi_stats->rx_bytes += bytes; 6552288ecf49SBenjamin Mikailenko vsi->rx_buf_failed += ring_stats->rx_stats.alloc_buf_failed; 6553288ecf49SBenjamin Mikailenko vsi->rx_page_failed += ring_stats->rx_stats.alloc_page_failed; 6554fcea6f3dSAnirudh Venkataramanan } 6555fcea6f3dSAnirudh Venkataramanan 655649d358e0SMarta Plantykow /* update XDP Tx rings counters */ 655749d358e0SMarta Plantykow if (ice_is_xdp_ena_vsi(vsi)) 65581a0f25a5SJesse Brandeburg ice_update_vsi_tx_ring_stats(vsi, vsi_stats, vsi->xdp_rings, 655949d358e0SMarta Plantykow vsi->num_xdp_txq); 656049d358e0SMarta Plantykow 6561fcea6f3dSAnirudh Venkataramanan rcu_read_unlock(); 65621a0f25a5SJesse Brandeburg 65632fd5e433SBenjamin Mikailenko net_stats = &vsi->net_stats; 65642fd5e433SBenjamin Mikailenko stats_prev = &vsi->net_stats_prev; 65652fd5e433SBenjamin Mikailenko 65662fd5e433SBenjamin Mikailenko /* clear prev counters after reset */ 65672fd5e433SBenjamin Mikailenko if (vsi_stats->tx_packets < stats_prev->tx_packets || 65682fd5e433SBenjamin Mikailenko vsi_stats->rx_packets < stats_prev->rx_packets) { 65692fd5e433SBenjamin Mikailenko stats_prev->tx_packets = 0; 65702fd5e433SBenjamin Mikailenko stats_prev->tx_bytes = 0; 65712fd5e433SBenjamin Mikailenko stats_prev->rx_packets = 0; 65722fd5e433SBenjamin Mikailenko stats_prev->rx_bytes = 0; 65732fd5e433SBenjamin Mikailenko } 65742fd5e433SBenjamin Mikailenko 65752fd5e433SBenjamin Mikailenko /* update netdev counters */ 65762fd5e433SBenjamin Mikailenko net_stats->tx_packets += vsi_stats->tx_packets - stats_prev->tx_packets; 65772fd5e433SBenjamin Mikailenko net_stats->tx_bytes += vsi_stats->tx_bytes - stats_prev->tx_bytes; 65782fd5e433SBenjamin Mikailenko net_stats->rx_packets += vsi_stats->rx_packets - stats_prev->rx_packets; 65792fd5e433SBenjamin Mikailenko net_stats->rx_bytes += vsi_stats->rx_bytes - stats_prev->rx_bytes; 65802fd5e433SBenjamin Mikailenko 65812fd5e433SBenjamin Mikailenko stats_prev->tx_packets = vsi_stats->tx_packets; 65822fd5e433SBenjamin Mikailenko stats_prev->tx_bytes = vsi_stats->tx_bytes; 65832fd5e433SBenjamin Mikailenko stats_prev->rx_packets = vsi_stats->rx_packets; 65842fd5e433SBenjamin Mikailenko stats_prev->rx_bytes = vsi_stats->rx_bytes; 65851a0f25a5SJesse Brandeburg 65861a0f25a5SJesse Brandeburg kfree(vsi_stats); 6587fcea6f3dSAnirudh Venkataramanan } 6588fcea6f3dSAnirudh Venkataramanan 6589fcea6f3dSAnirudh Venkataramanan /** 6590fcea6f3dSAnirudh Venkataramanan * ice_update_vsi_stats - Update VSI stats counters 6591fcea6f3dSAnirudh Venkataramanan * @vsi: the VSI to be updated 6592fcea6f3dSAnirudh Venkataramanan */ 65935a4a8673SBruce Allan void ice_update_vsi_stats(struct ice_vsi *vsi) 6594fcea6f3dSAnirudh Venkataramanan { 6595fcea6f3dSAnirudh Venkataramanan struct rtnl_link_stats64 *cur_ns = &vsi->net_stats; 6596fcea6f3dSAnirudh Venkataramanan struct ice_eth_stats *cur_es = &vsi->eth_stats; 6597fcea6f3dSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 6598fcea6f3dSAnirudh Venkataramanan 6599e97fb1aeSAnirudh Venkataramanan if (test_bit(ICE_VSI_DOWN, vsi->state) || 66007e408e07SAnirudh Venkataramanan test_bit(ICE_CFG_BUSY, pf->state)) 6601fcea6f3dSAnirudh Venkataramanan return; 6602fcea6f3dSAnirudh Venkataramanan 6603fcea6f3dSAnirudh Venkataramanan /* get stats as recorded by Tx/Rx rings */ 6604fcea6f3dSAnirudh Venkataramanan ice_update_vsi_ring_stats(vsi); 6605fcea6f3dSAnirudh Venkataramanan 6606fcea6f3dSAnirudh Venkataramanan /* get VSI stats as recorded by the hardware */ 6607fcea6f3dSAnirudh Venkataramanan ice_update_eth_stats(vsi); 6608fcea6f3dSAnirudh Venkataramanan 6609fcea6f3dSAnirudh Venkataramanan cur_ns->tx_errors = cur_es->tx_errors; 661051fe27e1SAnirudh Venkataramanan cur_ns->rx_dropped = cur_es->rx_discards; 6611fcea6f3dSAnirudh Venkataramanan cur_ns->tx_dropped = cur_es->tx_discards; 6612fcea6f3dSAnirudh Venkataramanan cur_ns->multicast = cur_es->rx_multicast; 6613fcea6f3dSAnirudh Venkataramanan 6614fcea6f3dSAnirudh Venkataramanan /* update some more netdev stats if this is main VSI */ 6615fcea6f3dSAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF) { 6616fcea6f3dSAnirudh Venkataramanan cur_ns->rx_crc_errors = pf->stats.crc_errors; 6617fcea6f3dSAnirudh Venkataramanan cur_ns->rx_errors = pf->stats.crc_errors + 66184f1fe43cSBrett Creeley pf->stats.illegal_bytes + 66194f1fe43cSBrett Creeley pf->stats.rx_len_errors + 66204f1fe43cSBrett Creeley pf->stats.rx_undersize + 66214f1fe43cSBrett Creeley pf->hw_csum_rx_error + 66224f1fe43cSBrett Creeley pf->stats.rx_jabber + 66234f1fe43cSBrett Creeley pf->stats.rx_fragments + 66244f1fe43cSBrett Creeley pf->stats.rx_oversize; 6625fcea6f3dSAnirudh Venkataramanan cur_ns->rx_length_errors = pf->stats.rx_len_errors; 662656923ab6SBrett Creeley /* record drops from the port level */ 662756923ab6SBrett Creeley cur_ns->rx_missed_errors = pf->stats.eth.rx_discards; 6628fcea6f3dSAnirudh Venkataramanan } 6629fcea6f3dSAnirudh Venkataramanan } 6630fcea6f3dSAnirudh Venkataramanan 6631fcea6f3dSAnirudh Venkataramanan /** 6632fcea6f3dSAnirudh Venkataramanan * ice_update_pf_stats - Update PF port stats counters 6633fcea6f3dSAnirudh Venkataramanan * @pf: PF whose stats needs to be updated 6634fcea6f3dSAnirudh Venkataramanan */ 66355a4a8673SBruce Allan void ice_update_pf_stats(struct ice_pf *pf) 6636fcea6f3dSAnirudh Venkataramanan { 6637fcea6f3dSAnirudh Venkataramanan struct ice_hw_port_stats *prev_ps, *cur_ps; 6638fcea6f3dSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 66394ab95646SHenry Tieman u16 fd_ctr_base; 66409e7a5d17SUsha Ketineni u8 port; 6641fcea6f3dSAnirudh Venkataramanan 66429e7a5d17SUsha Ketineni port = hw->port_info->lport; 6643fcea6f3dSAnirudh Venkataramanan prev_ps = &pf->stats_prev; 6644fcea6f3dSAnirudh Venkataramanan cur_ps = &pf->stats; 6645fcea6f3dSAnirudh Venkataramanan 66462fd5e433SBenjamin Mikailenko if (ice_is_reset_in_progress(pf->state)) 66472fd5e433SBenjamin Mikailenko pf->stat_prev_loaded = false; 66482fd5e433SBenjamin Mikailenko 66499e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_GORCL(port), pf->stat_prev_loaded, 665036517fd3SJacob Keller &prev_ps->eth.rx_bytes, 6651fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_bytes); 6652fcea6f3dSAnirudh Venkataramanan 66539e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_UPRCL(port), pf->stat_prev_loaded, 665436517fd3SJacob Keller &prev_ps->eth.rx_unicast, 6655fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_unicast); 6656fcea6f3dSAnirudh Venkataramanan 66579e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_MPRCL(port), pf->stat_prev_loaded, 665836517fd3SJacob Keller &prev_ps->eth.rx_multicast, 6659fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_multicast); 6660fcea6f3dSAnirudh Venkataramanan 66619e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_BPRCL(port), pf->stat_prev_loaded, 666236517fd3SJacob Keller &prev_ps->eth.rx_broadcast, 6663fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_broadcast); 6664fcea6f3dSAnirudh Venkataramanan 666556923ab6SBrett Creeley ice_stat_update32(hw, PRTRPB_RDPC, pf->stat_prev_loaded, 666656923ab6SBrett Creeley &prev_ps->eth.rx_discards, 666756923ab6SBrett Creeley &cur_ps->eth.rx_discards); 666856923ab6SBrett Creeley 66699e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_GOTCL(port), pf->stat_prev_loaded, 667036517fd3SJacob Keller &prev_ps->eth.tx_bytes, 6671fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_bytes); 6672fcea6f3dSAnirudh Venkataramanan 66739e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_UPTCL(port), pf->stat_prev_loaded, 667436517fd3SJacob Keller &prev_ps->eth.tx_unicast, 6675fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_unicast); 6676fcea6f3dSAnirudh Venkataramanan 66779e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_MPTCL(port), pf->stat_prev_loaded, 667836517fd3SJacob Keller &prev_ps->eth.tx_multicast, 6679fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_multicast); 6680fcea6f3dSAnirudh Venkataramanan 66819e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_BPTCL(port), pf->stat_prev_loaded, 668236517fd3SJacob Keller &prev_ps->eth.tx_broadcast, 6683fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_broadcast); 6684fcea6f3dSAnirudh Venkataramanan 66859e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_TDOLD(port), pf->stat_prev_loaded, 6686fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_dropped_link_down, 6687fcea6f3dSAnirudh Venkataramanan &cur_ps->tx_dropped_link_down); 6688fcea6f3dSAnirudh Venkataramanan 66899e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC64L(port), pf->stat_prev_loaded, 669036517fd3SJacob Keller &prev_ps->rx_size_64, &cur_ps->rx_size_64); 6691fcea6f3dSAnirudh Venkataramanan 66929e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC127L(port), pf->stat_prev_loaded, 669336517fd3SJacob Keller &prev_ps->rx_size_127, &cur_ps->rx_size_127); 6694fcea6f3dSAnirudh Venkataramanan 66959e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC255L(port), pf->stat_prev_loaded, 669636517fd3SJacob Keller &prev_ps->rx_size_255, &cur_ps->rx_size_255); 6697fcea6f3dSAnirudh Venkataramanan 66989e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC511L(port), pf->stat_prev_loaded, 669936517fd3SJacob Keller &prev_ps->rx_size_511, &cur_ps->rx_size_511); 6700fcea6f3dSAnirudh Venkataramanan 67019e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC1023L(port), pf->stat_prev_loaded, 6702fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_size_1023, &cur_ps->rx_size_1023); 6703fcea6f3dSAnirudh Venkataramanan 67049e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC1522L(port), pf->stat_prev_loaded, 6705fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_size_1522, &cur_ps->rx_size_1522); 6706fcea6f3dSAnirudh Venkataramanan 67079e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC9522L(port), pf->stat_prev_loaded, 6708fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_size_big, &cur_ps->rx_size_big); 6709fcea6f3dSAnirudh Venkataramanan 67109e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC64L(port), pf->stat_prev_loaded, 671136517fd3SJacob Keller &prev_ps->tx_size_64, &cur_ps->tx_size_64); 6712fcea6f3dSAnirudh Venkataramanan 67139e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC127L(port), pf->stat_prev_loaded, 671436517fd3SJacob Keller &prev_ps->tx_size_127, &cur_ps->tx_size_127); 6715fcea6f3dSAnirudh Venkataramanan 67169e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC255L(port), pf->stat_prev_loaded, 671736517fd3SJacob Keller &prev_ps->tx_size_255, &cur_ps->tx_size_255); 6718fcea6f3dSAnirudh Venkataramanan 67199e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC511L(port), pf->stat_prev_loaded, 672036517fd3SJacob Keller &prev_ps->tx_size_511, &cur_ps->tx_size_511); 6721fcea6f3dSAnirudh Venkataramanan 67229e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC1023L(port), pf->stat_prev_loaded, 6723fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_size_1023, &cur_ps->tx_size_1023); 6724fcea6f3dSAnirudh Venkataramanan 67259e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC1522L(port), pf->stat_prev_loaded, 6726fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_size_1522, &cur_ps->tx_size_1522); 6727fcea6f3dSAnirudh Venkataramanan 67289e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC9522L(port), pf->stat_prev_loaded, 6729fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_size_big, &cur_ps->tx_size_big); 6730fcea6f3dSAnirudh Venkataramanan 67314ab95646SHenry Tieman fd_ctr_base = hw->fd_ctr_base; 67324ab95646SHenry Tieman 67334ab95646SHenry Tieman ice_stat_update40(hw, 67344ab95646SHenry Tieman GLSTAT_FD_CNT0L(ICE_FD_SB_STAT_IDX(fd_ctr_base)), 67354ab95646SHenry Tieman pf->stat_prev_loaded, &prev_ps->fd_sb_match, 67364ab95646SHenry Tieman &cur_ps->fd_sb_match); 67379e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXONRXC(port), pf->stat_prev_loaded, 6738fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xon_rx, &cur_ps->link_xon_rx); 6739fcea6f3dSAnirudh Venkataramanan 67409e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXOFFRXC(port), pf->stat_prev_loaded, 6741fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xoff_rx, &cur_ps->link_xoff_rx); 6742fcea6f3dSAnirudh Venkataramanan 67439e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXONTXC(port), pf->stat_prev_loaded, 6744fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xon_tx, &cur_ps->link_xon_tx); 6745fcea6f3dSAnirudh Venkataramanan 67469e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXOFFTXC(port), pf->stat_prev_loaded, 6747fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xoff_tx, &cur_ps->link_xoff_tx); 6748fcea6f3dSAnirudh Venkataramanan 67494b0fdcebSAnirudh Venkataramanan ice_update_dcb_stats(pf); 67504b0fdcebSAnirudh Venkataramanan 67519e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_CRCERRS(port), pf->stat_prev_loaded, 6752fcea6f3dSAnirudh Venkataramanan &prev_ps->crc_errors, &cur_ps->crc_errors); 6753fcea6f3dSAnirudh Venkataramanan 67549e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_ILLERRC(port), pf->stat_prev_loaded, 6755fcea6f3dSAnirudh Venkataramanan &prev_ps->illegal_bytes, &cur_ps->illegal_bytes); 6756fcea6f3dSAnirudh Venkataramanan 67579e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_MLFC(port), pf->stat_prev_loaded, 6758fcea6f3dSAnirudh Venkataramanan &prev_ps->mac_local_faults, 6759fcea6f3dSAnirudh Venkataramanan &cur_ps->mac_local_faults); 6760fcea6f3dSAnirudh Venkataramanan 67619e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_MRFC(port), pf->stat_prev_loaded, 6762fcea6f3dSAnirudh Venkataramanan &prev_ps->mac_remote_faults, 6763fcea6f3dSAnirudh Venkataramanan &cur_ps->mac_remote_faults); 6764fcea6f3dSAnirudh Venkataramanan 67659e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RLEC(port), pf->stat_prev_loaded, 6766fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_len_errors, &cur_ps->rx_len_errors); 6767fcea6f3dSAnirudh Venkataramanan 67689e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RUC(port), pf->stat_prev_loaded, 6769fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_undersize, &cur_ps->rx_undersize); 6770fcea6f3dSAnirudh Venkataramanan 67719e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RFC(port), pf->stat_prev_loaded, 6772fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_fragments, &cur_ps->rx_fragments); 6773fcea6f3dSAnirudh Venkataramanan 67749e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_ROC(port), pf->stat_prev_loaded, 6775fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_oversize, &cur_ps->rx_oversize); 6776fcea6f3dSAnirudh Venkataramanan 67779e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RJC(port), pf->stat_prev_loaded, 6778fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_jabber, &cur_ps->rx_jabber); 6779fcea6f3dSAnirudh Venkataramanan 67804ab95646SHenry Tieman cur_ps->fd_sb_status = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 67814ab95646SHenry Tieman 6782fcea6f3dSAnirudh Venkataramanan pf->stat_prev_loaded = true; 6783fcea6f3dSAnirudh Venkataramanan } 6784fcea6f3dSAnirudh Venkataramanan 6785fcea6f3dSAnirudh Venkataramanan /** 6786fcea6f3dSAnirudh Venkataramanan * ice_get_stats64 - get statistics for network device structure 6787fcea6f3dSAnirudh Venkataramanan * @netdev: network interface device structure 6788fcea6f3dSAnirudh Venkataramanan * @stats: main device statistics structure 6789fcea6f3dSAnirudh Venkataramanan */ 6790fcea6f3dSAnirudh Venkataramanan static 6791fcea6f3dSAnirudh Venkataramanan void ice_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats) 6792fcea6f3dSAnirudh Venkataramanan { 6793fcea6f3dSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 6794fcea6f3dSAnirudh Venkataramanan struct rtnl_link_stats64 *vsi_stats; 6795fcea6f3dSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 6796fcea6f3dSAnirudh Venkataramanan 6797fcea6f3dSAnirudh Venkataramanan vsi_stats = &vsi->net_stats; 6798fcea6f3dSAnirudh Venkataramanan 67993d57fd10SDave Ertman if (!vsi->num_txq || !vsi->num_rxq) 6800fcea6f3dSAnirudh Venkataramanan return; 68013d57fd10SDave Ertman 6802fcea6f3dSAnirudh Venkataramanan /* netdev packet/byte stats come from ring counter. These are obtained 6803fcea6f3dSAnirudh Venkataramanan * by summing up ring counters (done by ice_update_vsi_ring_stats). 68043d57fd10SDave Ertman * But, only call the update routine and read the registers if VSI is 68053d57fd10SDave Ertman * not down. 6806fcea6f3dSAnirudh Venkataramanan */ 6807e97fb1aeSAnirudh Venkataramanan if (!test_bit(ICE_VSI_DOWN, vsi->state)) 6808fcea6f3dSAnirudh Venkataramanan ice_update_vsi_ring_stats(vsi); 6809fcea6f3dSAnirudh Venkataramanan stats->tx_packets = vsi_stats->tx_packets; 6810fcea6f3dSAnirudh Venkataramanan stats->tx_bytes = vsi_stats->tx_bytes; 6811fcea6f3dSAnirudh Venkataramanan stats->rx_packets = vsi_stats->rx_packets; 6812fcea6f3dSAnirudh Venkataramanan stats->rx_bytes = vsi_stats->rx_bytes; 6813fcea6f3dSAnirudh Venkataramanan 6814fcea6f3dSAnirudh Venkataramanan /* The rest of the stats can be read from the hardware but instead we 6815fcea6f3dSAnirudh Venkataramanan * just return values that the watchdog task has already obtained from 6816fcea6f3dSAnirudh Venkataramanan * the hardware. 6817fcea6f3dSAnirudh Venkataramanan */ 6818fcea6f3dSAnirudh Venkataramanan stats->multicast = vsi_stats->multicast; 6819fcea6f3dSAnirudh Venkataramanan stats->tx_errors = vsi_stats->tx_errors; 6820fcea6f3dSAnirudh Venkataramanan stats->tx_dropped = vsi_stats->tx_dropped; 6821fcea6f3dSAnirudh Venkataramanan stats->rx_errors = vsi_stats->rx_errors; 6822fcea6f3dSAnirudh Venkataramanan stats->rx_dropped = vsi_stats->rx_dropped; 6823fcea6f3dSAnirudh Venkataramanan stats->rx_crc_errors = vsi_stats->rx_crc_errors; 6824fcea6f3dSAnirudh Venkataramanan stats->rx_length_errors = vsi_stats->rx_length_errors; 6825fcea6f3dSAnirudh Venkataramanan } 6826fcea6f3dSAnirudh Venkataramanan 6827fcea6f3dSAnirudh Venkataramanan /** 68282b245cb2SAnirudh Venkataramanan * ice_napi_disable_all - Disable NAPI for all q_vectors in the VSI 68292b245cb2SAnirudh Venkataramanan * @vsi: VSI having NAPI disabled 68302b245cb2SAnirudh Venkataramanan */ 68312b245cb2SAnirudh Venkataramanan static void ice_napi_disable_all(struct ice_vsi *vsi) 68322b245cb2SAnirudh Venkataramanan { 68332b245cb2SAnirudh Venkataramanan int q_idx; 68342b245cb2SAnirudh Venkataramanan 68352b245cb2SAnirudh Venkataramanan if (!vsi->netdev) 68362b245cb2SAnirudh Venkataramanan return; 68372b245cb2SAnirudh Venkataramanan 68380c2561c8SBrett Creeley ice_for_each_q_vector(vsi, q_idx) { 6839eec90376SYoung Xiao struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 6840eec90376SYoung Xiao 6841e72bba21SMaciej Fijalkowski if (q_vector->rx.rx_ring || q_vector->tx.tx_ring) 6842eec90376SYoung Xiao napi_disable(&q_vector->napi); 6843cdf1f1f1SJacob Keller 6844cdf1f1f1SJacob Keller cancel_work_sync(&q_vector->tx.dim.work); 6845cdf1f1f1SJacob Keller cancel_work_sync(&q_vector->rx.dim.work); 6846eec90376SYoung Xiao } 68472b245cb2SAnirudh Venkataramanan } 68482b245cb2SAnirudh Venkataramanan 68492b245cb2SAnirudh Venkataramanan /** 6850cdedef59SAnirudh Venkataramanan * ice_down - Shutdown the connection 6851cdedef59SAnirudh Venkataramanan * @vsi: The VSI being stopped 685221c6e36bSJesse Brandeburg * 685321c6e36bSJesse Brandeburg * Caller of this function is expected to set the vsi->state ICE_DOWN bit 6854cdedef59SAnirudh Venkataramanan */ 6855fcea6f3dSAnirudh Venkataramanan int ice_down(struct ice_vsi *vsi) 6856cdedef59SAnirudh Venkataramanan { 68578ac71327SMateusz Palczewski int i, tx_err, rx_err, vlan_err = 0; 6858cdedef59SAnirudh Venkataramanan 685921c6e36bSJesse Brandeburg WARN_ON(!test_bit(ICE_VSI_DOWN, vsi->state)); 686021c6e36bSJesse Brandeburg 6861b3be918dSGrzegorz Nitka if (vsi->netdev && vsi->type == ICE_VSI_PF) { 6862c31af68aSBrett Creeley vlan_err = ice_vsi_del_vlan_zero(vsi); 68633a749623SJacob Keller ice_ptp_link_change(vsi->back, vsi->back->hw.pf_id, false); 6864cdedef59SAnirudh Venkataramanan netif_carrier_off(vsi->netdev); 6865cdedef59SAnirudh Venkataramanan netif_tx_disable(vsi->netdev); 6866b3be918dSGrzegorz Nitka } else if (vsi->type == ICE_VSI_SWITCHDEV_CTRL) { 6867b3be918dSGrzegorz Nitka ice_eswitch_stop_all_tx_queues(vsi->back); 6868cdedef59SAnirudh Venkataramanan } 6869cdedef59SAnirudh Venkataramanan 6870cdedef59SAnirudh Venkataramanan ice_vsi_dis_irq(vsi); 687103f7a986SAnirudh Venkataramanan 687203f7a986SAnirudh Venkataramanan tx_err = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 687372adf242SAnirudh Venkataramanan if (tx_err) 687419cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed stop Tx rings, VSI %d error %d\n", 687572adf242SAnirudh Venkataramanan vsi->vsi_num, tx_err); 6876efc2214bSMaciej Fijalkowski if (!tx_err && ice_is_xdp_ena_vsi(vsi)) { 6877efc2214bSMaciej Fijalkowski tx_err = ice_vsi_stop_xdp_tx_rings(vsi); 6878efc2214bSMaciej Fijalkowski if (tx_err) 687919cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed stop XDP rings, VSI %d error %d\n", 6880efc2214bSMaciej Fijalkowski vsi->vsi_num, tx_err); 6881efc2214bSMaciej Fijalkowski } 688272adf242SAnirudh Venkataramanan 688313a6233bSBrett Creeley rx_err = ice_vsi_stop_all_rx_rings(vsi); 688472adf242SAnirudh Venkataramanan if (rx_err) 688519cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed stop Rx rings, VSI %d error %d\n", 688672adf242SAnirudh Venkataramanan vsi->vsi_num, rx_err); 688772adf242SAnirudh Venkataramanan 68882b245cb2SAnirudh Venkataramanan ice_napi_disable_all(vsi); 6889cdedef59SAnirudh Venkataramanan 6890cdedef59SAnirudh Venkataramanan ice_for_each_txq(vsi, i) 6891cdedef59SAnirudh Venkataramanan ice_clean_tx_ring(vsi->tx_rings[i]); 6892cdedef59SAnirudh Venkataramanan 689378c50d69SKamil Maziarz if (ice_is_xdp_ena_vsi(vsi)) 689478c50d69SKamil Maziarz ice_for_each_xdp_txq(vsi, i) 689578c50d69SKamil Maziarz ice_clean_tx_ring(vsi->xdp_rings[i]); 689678c50d69SKamil Maziarz 6897cdedef59SAnirudh Venkataramanan ice_for_each_rxq(vsi, i) 6898cdedef59SAnirudh Venkataramanan ice_clean_rx_ring(vsi->rx_rings[i]); 6899cdedef59SAnirudh Venkataramanan 69008ac71327SMateusz Palczewski if (tx_err || rx_err || vlan_err) { 690119cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed to close VSI 0x%04X on switch 0x%04X\n", 6902cdedef59SAnirudh Venkataramanan vsi->vsi_num, vsi->vsw->sw_id); 690372adf242SAnirudh Venkataramanan return -EIO; 690472adf242SAnirudh Venkataramanan } 690572adf242SAnirudh Venkataramanan 690672adf242SAnirudh Venkataramanan return 0; 6907cdedef59SAnirudh Venkataramanan } 6908cdedef59SAnirudh Venkataramanan 6909cdedef59SAnirudh Venkataramanan /** 6910dddd406dSJesse Brandeburg * ice_down_up - shutdown the VSI connection and bring it up 6911dddd406dSJesse Brandeburg * @vsi: the VSI to be reconnected 6912dddd406dSJesse Brandeburg */ 6913dddd406dSJesse Brandeburg int ice_down_up(struct ice_vsi *vsi) 6914dddd406dSJesse Brandeburg { 6915dddd406dSJesse Brandeburg int ret; 6916dddd406dSJesse Brandeburg 6917dddd406dSJesse Brandeburg /* if DOWN already set, nothing to do */ 6918dddd406dSJesse Brandeburg if (test_and_set_bit(ICE_VSI_DOWN, vsi->state)) 6919dddd406dSJesse Brandeburg return 0; 6920dddd406dSJesse Brandeburg 6921dddd406dSJesse Brandeburg ret = ice_down(vsi); 6922dddd406dSJesse Brandeburg if (ret) 6923dddd406dSJesse Brandeburg return ret; 6924dddd406dSJesse Brandeburg 6925dddd406dSJesse Brandeburg ret = ice_up(vsi); 6926dddd406dSJesse Brandeburg if (ret) { 6927dddd406dSJesse Brandeburg netdev_err(vsi->netdev, "reallocating resources failed during netdev features change, may need to reload driver\n"); 6928dddd406dSJesse Brandeburg return ret; 6929dddd406dSJesse Brandeburg } 6930dddd406dSJesse Brandeburg 6931dddd406dSJesse Brandeburg return 0; 6932dddd406dSJesse Brandeburg } 6933dddd406dSJesse Brandeburg 6934dddd406dSJesse Brandeburg /** 6935cdedef59SAnirudh Venkataramanan * ice_vsi_setup_tx_rings - Allocate VSI Tx queue resources 6936cdedef59SAnirudh Venkataramanan * @vsi: VSI having resources allocated 6937cdedef59SAnirudh Venkataramanan * 6938cdedef59SAnirudh Venkataramanan * Return 0 on success, negative on failure 6939cdedef59SAnirudh Venkataramanan */ 69400e674aebSAnirudh Venkataramanan int ice_vsi_setup_tx_rings(struct ice_vsi *vsi) 6941cdedef59SAnirudh Venkataramanan { 6942dab0588fSJesse Brandeburg int i, err = 0; 6943cdedef59SAnirudh Venkataramanan 6944cdedef59SAnirudh Venkataramanan if (!vsi->num_txq) { 69459a946843SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "VSI %d has 0 Tx queues\n", 6946cdedef59SAnirudh Venkataramanan vsi->vsi_num); 6947cdedef59SAnirudh Venkataramanan return -EINVAL; 6948cdedef59SAnirudh Venkataramanan } 6949cdedef59SAnirudh Venkataramanan 6950cdedef59SAnirudh Venkataramanan ice_for_each_txq(vsi, i) { 6951e72bba21SMaciej Fijalkowski struct ice_tx_ring *ring = vsi->tx_rings[i]; 6952eb0ee8abSMichal Swiatkowski 6953eb0ee8abSMichal Swiatkowski if (!ring) 6954eb0ee8abSMichal Swiatkowski return -EINVAL; 6955eb0ee8abSMichal Swiatkowski 69561c54c839SGrzegorz Nitka if (vsi->netdev) 6957eb0ee8abSMichal Swiatkowski ring->netdev = vsi->netdev; 6958eb0ee8abSMichal Swiatkowski err = ice_setup_tx_ring(ring); 6959cdedef59SAnirudh Venkataramanan if (err) 6960cdedef59SAnirudh Venkataramanan break; 6961cdedef59SAnirudh Venkataramanan } 6962cdedef59SAnirudh Venkataramanan 6963cdedef59SAnirudh Venkataramanan return err; 6964cdedef59SAnirudh Venkataramanan } 6965cdedef59SAnirudh Venkataramanan 6966cdedef59SAnirudh Venkataramanan /** 6967cdedef59SAnirudh Venkataramanan * ice_vsi_setup_rx_rings - Allocate VSI Rx queue resources 6968cdedef59SAnirudh Venkataramanan * @vsi: VSI having resources allocated 6969cdedef59SAnirudh Venkataramanan * 6970cdedef59SAnirudh Venkataramanan * Return 0 on success, negative on failure 6971cdedef59SAnirudh Venkataramanan */ 69720e674aebSAnirudh Venkataramanan int ice_vsi_setup_rx_rings(struct ice_vsi *vsi) 6973cdedef59SAnirudh Venkataramanan { 6974dab0588fSJesse Brandeburg int i, err = 0; 6975cdedef59SAnirudh Venkataramanan 6976cdedef59SAnirudh Venkataramanan if (!vsi->num_rxq) { 69779a946843SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "VSI %d has 0 Rx queues\n", 6978cdedef59SAnirudh Venkataramanan vsi->vsi_num); 6979cdedef59SAnirudh Venkataramanan return -EINVAL; 6980cdedef59SAnirudh Venkataramanan } 6981cdedef59SAnirudh Venkataramanan 6982cdedef59SAnirudh Venkataramanan ice_for_each_rxq(vsi, i) { 6983e72bba21SMaciej Fijalkowski struct ice_rx_ring *ring = vsi->rx_rings[i]; 6984eb0ee8abSMichal Swiatkowski 6985eb0ee8abSMichal Swiatkowski if (!ring) 6986eb0ee8abSMichal Swiatkowski return -EINVAL; 6987eb0ee8abSMichal Swiatkowski 69881c54c839SGrzegorz Nitka if (vsi->netdev) 6989eb0ee8abSMichal Swiatkowski ring->netdev = vsi->netdev; 6990eb0ee8abSMichal Swiatkowski err = ice_setup_rx_ring(ring); 6991cdedef59SAnirudh Venkataramanan if (err) 6992cdedef59SAnirudh Venkataramanan break; 6993cdedef59SAnirudh Venkataramanan } 6994cdedef59SAnirudh Venkataramanan 6995cdedef59SAnirudh Venkataramanan return err; 6996cdedef59SAnirudh Venkataramanan } 6997cdedef59SAnirudh Venkataramanan 6998cdedef59SAnirudh Venkataramanan /** 6999148beb61SHenry Tieman * ice_vsi_open_ctrl - open control VSI for use 7000148beb61SHenry Tieman * @vsi: the VSI to open 7001148beb61SHenry Tieman * 7002148beb61SHenry Tieman * Initialization of the Control VSI 7003148beb61SHenry Tieman * 7004148beb61SHenry Tieman * Returns 0 on success, negative value on error 7005148beb61SHenry Tieman */ 7006148beb61SHenry Tieman int ice_vsi_open_ctrl(struct ice_vsi *vsi) 7007148beb61SHenry Tieman { 7008148beb61SHenry Tieman char int_name[ICE_INT_NAME_STR_LEN]; 7009148beb61SHenry Tieman struct ice_pf *pf = vsi->back; 7010148beb61SHenry Tieman struct device *dev; 7011148beb61SHenry Tieman int err; 7012148beb61SHenry Tieman 7013148beb61SHenry Tieman dev = ice_pf_to_dev(pf); 7014148beb61SHenry Tieman /* allocate descriptors */ 7015148beb61SHenry Tieman err = ice_vsi_setup_tx_rings(vsi); 7016148beb61SHenry Tieman if (err) 7017148beb61SHenry Tieman goto err_setup_tx; 7018148beb61SHenry Tieman 7019148beb61SHenry Tieman err = ice_vsi_setup_rx_rings(vsi); 7020148beb61SHenry Tieman if (err) 7021148beb61SHenry Tieman goto err_setup_rx; 7022148beb61SHenry Tieman 70230db66d20SMichal Swiatkowski err = ice_vsi_cfg_lan(vsi); 7024148beb61SHenry Tieman if (err) 7025148beb61SHenry Tieman goto err_setup_rx; 7026148beb61SHenry Tieman 7027148beb61SHenry Tieman snprintf(int_name, sizeof(int_name) - 1, "%s-%s:ctrl", 7028148beb61SHenry Tieman dev_driver_string(dev), dev_name(dev)); 7029148beb61SHenry Tieman err = ice_vsi_req_irq_msix(vsi, int_name); 7030148beb61SHenry Tieman if (err) 7031148beb61SHenry Tieman goto err_setup_rx; 7032148beb61SHenry Tieman 7033148beb61SHenry Tieman ice_vsi_cfg_msix(vsi); 7034148beb61SHenry Tieman 7035148beb61SHenry Tieman err = ice_vsi_start_all_rx_rings(vsi); 7036148beb61SHenry Tieman if (err) 7037148beb61SHenry Tieman goto err_up_complete; 7038148beb61SHenry Tieman 7039e97fb1aeSAnirudh Venkataramanan clear_bit(ICE_VSI_DOWN, vsi->state); 7040148beb61SHenry Tieman ice_vsi_ena_irq(vsi); 7041148beb61SHenry Tieman 7042148beb61SHenry Tieman return 0; 7043148beb61SHenry Tieman 7044148beb61SHenry Tieman err_up_complete: 7045148beb61SHenry Tieman ice_down(vsi); 7046148beb61SHenry Tieman err_setup_rx: 7047148beb61SHenry Tieman ice_vsi_free_rx_rings(vsi); 7048148beb61SHenry Tieman err_setup_tx: 7049148beb61SHenry Tieman ice_vsi_free_tx_rings(vsi); 7050148beb61SHenry Tieman 7051148beb61SHenry Tieman return err; 7052148beb61SHenry Tieman } 7053148beb61SHenry Tieman 7054148beb61SHenry Tieman /** 7055cdedef59SAnirudh Venkataramanan * ice_vsi_open - Called when a network interface is made active 7056cdedef59SAnirudh Venkataramanan * @vsi: the VSI to open 7057cdedef59SAnirudh Venkataramanan * 7058cdedef59SAnirudh Venkataramanan * Initialization of the VSI 7059cdedef59SAnirudh Venkataramanan * 7060cdedef59SAnirudh Venkataramanan * Returns 0 on success, negative value on error 7061cdedef59SAnirudh Venkataramanan */ 70621a1c40dfSGrzegorz Nitka int ice_vsi_open(struct ice_vsi *vsi) 7063cdedef59SAnirudh Venkataramanan { 7064cdedef59SAnirudh Venkataramanan char int_name[ICE_INT_NAME_STR_LEN]; 7065cdedef59SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 7066cdedef59SAnirudh Venkataramanan int err; 7067cdedef59SAnirudh Venkataramanan 7068cdedef59SAnirudh Venkataramanan /* allocate descriptors */ 7069cdedef59SAnirudh Venkataramanan err = ice_vsi_setup_tx_rings(vsi); 7070cdedef59SAnirudh Venkataramanan if (err) 7071cdedef59SAnirudh Venkataramanan goto err_setup_tx; 7072cdedef59SAnirudh Venkataramanan 7073cdedef59SAnirudh Venkataramanan err = ice_vsi_setup_rx_rings(vsi); 7074cdedef59SAnirudh Venkataramanan if (err) 7075cdedef59SAnirudh Venkataramanan goto err_setup_rx; 7076cdedef59SAnirudh Venkataramanan 70770db66d20SMichal Swiatkowski err = ice_vsi_cfg_lan(vsi); 7078cdedef59SAnirudh Venkataramanan if (err) 7079cdedef59SAnirudh Venkataramanan goto err_setup_rx; 7080cdedef59SAnirudh Venkataramanan 7081cdedef59SAnirudh Venkataramanan snprintf(int_name, sizeof(int_name) - 1, "%s-%s", 70824015d11eSBrett Creeley dev_driver_string(ice_pf_to_dev(pf)), vsi->netdev->name); 7083ba880734SBrett Creeley err = ice_vsi_req_irq_msix(vsi, int_name); 7084cdedef59SAnirudh Venkataramanan if (err) 7085cdedef59SAnirudh Venkataramanan goto err_setup_rx; 7086cdedef59SAnirudh Venkataramanan 7087122045caSMichal Swiatkowski ice_vsi_cfg_netdev_tc(vsi, vsi->tc_cfg.ena_tc); 7088122045caSMichal Swiatkowski 70891a1c40dfSGrzegorz Nitka if (vsi->type == ICE_VSI_PF) { 7090cdedef59SAnirudh Venkataramanan /* Notify the stack of the actual queue counts. */ 7091cdedef59SAnirudh Venkataramanan err = netif_set_real_num_tx_queues(vsi->netdev, vsi->num_txq); 7092cdedef59SAnirudh Venkataramanan if (err) 7093cdedef59SAnirudh Venkataramanan goto err_set_qs; 7094cdedef59SAnirudh Venkataramanan 7095cdedef59SAnirudh Venkataramanan err = netif_set_real_num_rx_queues(vsi->netdev, vsi->num_rxq); 7096cdedef59SAnirudh Venkataramanan if (err) 7097cdedef59SAnirudh Venkataramanan goto err_set_qs; 70981a1c40dfSGrzegorz Nitka } 7099cdedef59SAnirudh Venkataramanan 7100cdedef59SAnirudh Venkataramanan err = ice_up_complete(vsi); 7101cdedef59SAnirudh Venkataramanan if (err) 7102cdedef59SAnirudh Venkataramanan goto err_up_complete; 7103cdedef59SAnirudh Venkataramanan 7104cdedef59SAnirudh Venkataramanan return 0; 7105cdedef59SAnirudh Venkataramanan 7106cdedef59SAnirudh Venkataramanan err_up_complete: 7107cdedef59SAnirudh Venkataramanan ice_down(vsi); 7108cdedef59SAnirudh Venkataramanan err_set_qs: 7109cdedef59SAnirudh Venkataramanan ice_vsi_free_irq(vsi); 7110cdedef59SAnirudh Venkataramanan err_setup_rx: 7111cdedef59SAnirudh Venkataramanan ice_vsi_free_rx_rings(vsi); 7112cdedef59SAnirudh Venkataramanan err_setup_tx: 7113cdedef59SAnirudh Venkataramanan ice_vsi_free_tx_rings(vsi); 7114cdedef59SAnirudh Venkataramanan 7115cdedef59SAnirudh Venkataramanan return err; 7116cdedef59SAnirudh Venkataramanan } 7117cdedef59SAnirudh Venkataramanan 7118cdedef59SAnirudh Venkataramanan /** 71190f9d5027SAnirudh Venkataramanan * ice_vsi_release_all - Delete all VSIs 71200f9d5027SAnirudh Venkataramanan * @pf: PF from which all VSIs are being removed 71210f9d5027SAnirudh Venkataramanan */ 71220f9d5027SAnirudh Venkataramanan static void ice_vsi_release_all(struct ice_pf *pf) 71230f9d5027SAnirudh Venkataramanan { 71240f9d5027SAnirudh Venkataramanan int err, i; 71250f9d5027SAnirudh Venkataramanan 71260f9d5027SAnirudh Venkataramanan if (!pf->vsi) 71270f9d5027SAnirudh Venkataramanan return; 71280f9d5027SAnirudh Venkataramanan 712980ed404aSBrett Creeley ice_for_each_vsi(pf, i) { 71300f9d5027SAnirudh Venkataramanan if (!pf->vsi[i]) 71310f9d5027SAnirudh Venkataramanan continue; 71320f9d5027SAnirudh Venkataramanan 7133fbc7b27aSKiran Patil if (pf->vsi[i]->type == ICE_VSI_CHNL) 7134fbc7b27aSKiran Patil continue; 7135fbc7b27aSKiran Patil 71360f9d5027SAnirudh Venkataramanan err = ice_vsi_release(pf->vsi[i]); 71370f9d5027SAnirudh Venkataramanan if (err) 713819cce2c6SAnirudh Venkataramanan dev_dbg(ice_pf_to_dev(pf), "Failed to release pf->vsi[%d], err %d, vsi_num = %d\n", 71390f9d5027SAnirudh Venkataramanan i, err, pf->vsi[i]->vsi_num); 71400f9d5027SAnirudh Venkataramanan } 71410f9d5027SAnirudh Venkataramanan } 71420f9d5027SAnirudh Venkataramanan 71430f9d5027SAnirudh Venkataramanan /** 7144462acf6aSTony Nguyen * ice_vsi_rebuild_by_type - Rebuild VSI of a given type 7145462acf6aSTony Nguyen * @pf: pointer to the PF instance 7146462acf6aSTony Nguyen * @type: VSI type to rebuild 7147462acf6aSTony Nguyen * 7148462acf6aSTony Nguyen * Iterates through the pf->vsi array and rebuilds VSIs of the requested type 71490f9d5027SAnirudh Venkataramanan */ 7150462acf6aSTony Nguyen static int ice_vsi_rebuild_by_type(struct ice_pf *pf, enum ice_vsi_type type) 71510f9d5027SAnirudh Venkataramanan { 71524015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 7153462acf6aSTony Nguyen int i, err; 71540f9d5027SAnirudh Venkataramanan 715580ed404aSBrett Creeley ice_for_each_vsi(pf, i) { 71564425e053SKrzysztof Kazimierczak struct ice_vsi *vsi = pf->vsi[i]; 71570f9d5027SAnirudh Venkataramanan 7158462acf6aSTony Nguyen if (!vsi || vsi->type != type) 71590f9d5027SAnirudh Venkataramanan continue; 71600f9d5027SAnirudh Venkataramanan 7161462acf6aSTony Nguyen /* rebuild the VSI */ 71626624e780SMichal Swiatkowski err = ice_vsi_rebuild(vsi, ICE_VSI_FLAG_INIT); 71630f9d5027SAnirudh Venkataramanan if (err) { 716419cce2c6SAnirudh Venkataramanan dev_err(dev, "rebuild VSI failed, err %d, VSI index %d, type %s\n", 7165964674f1SAnirudh Venkataramanan err, vsi->idx, ice_vsi_type_str(type)); 71660f9d5027SAnirudh Venkataramanan return err; 71670f9d5027SAnirudh Venkataramanan } 71680f9d5027SAnirudh Venkataramanan 7169462acf6aSTony Nguyen /* replay filters for the VSI */ 71702ccc1c1cSTony Nguyen err = ice_replay_vsi(&pf->hw, vsi->idx); 71712ccc1c1cSTony Nguyen if (err) { 71725f87ec48STony Nguyen dev_err(dev, "replay VSI failed, error %d, VSI index %d, type %s\n", 71732ccc1c1cSTony Nguyen err, vsi->idx, ice_vsi_type_str(type)); 7174c1484691STony Nguyen return err; 7175334cb062SAnirudh Venkataramanan } 7176334cb062SAnirudh Venkataramanan 7177334cb062SAnirudh Venkataramanan /* Re-map HW VSI number, using VSI handle that has been 7178334cb062SAnirudh Venkataramanan * previously validated in ice_replay_vsi() call above 7179334cb062SAnirudh Venkataramanan */ 7180462acf6aSTony Nguyen vsi->vsi_num = ice_get_hw_vsi_num(&pf->hw, vsi->idx); 7181334cb062SAnirudh Venkataramanan 7182462acf6aSTony Nguyen /* enable the VSI */ 7183462acf6aSTony Nguyen err = ice_ena_vsi(vsi, false); 7184462acf6aSTony Nguyen if (err) { 718519cce2c6SAnirudh Venkataramanan dev_err(dev, "enable VSI failed, err %d, VSI index %d, type %s\n", 7186964674f1SAnirudh Venkataramanan err, vsi->idx, ice_vsi_type_str(type)); 7187462acf6aSTony Nguyen return err; 7188334cb062SAnirudh Venkataramanan } 7189334cb062SAnirudh Venkataramanan 71904015d11eSBrett Creeley dev_info(dev, "VSI rebuilt. VSI index %d, type %s\n", vsi->idx, 71914015d11eSBrett Creeley ice_vsi_type_str(type)); 7192462acf6aSTony Nguyen } 7193462acf6aSTony Nguyen 7194334cb062SAnirudh Venkataramanan return 0; 7195334cb062SAnirudh Venkataramanan } 7196334cb062SAnirudh Venkataramanan 7197334cb062SAnirudh Venkataramanan /** 7198462acf6aSTony Nguyen * ice_update_pf_netdev_link - Update PF netdev link status 7199462acf6aSTony Nguyen * @pf: pointer to the PF instance 7200462acf6aSTony Nguyen */ 7201462acf6aSTony Nguyen static void ice_update_pf_netdev_link(struct ice_pf *pf) 7202462acf6aSTony Nguyen { 7203462acf6aSTony Nguyen bool link_up; 7204462acf6aSTony Nguyen int i; 7205462acf6aSTony Nguyen 7206462acf6aSTony Nguyen ice_for_each_vsi(pf, i) { 7207462acf6aSTony Nguyen struct ice_vsi *vsi = pf->vsi[i]; 7208462acf6aSTony Nguyen 7209462acf6aSTony Nguyen if (!vsi || vsi->type != ICE_VSI_PF) 7210462acf6aSTony Nguyen return; 7211462acf6aSTony Nguyen 7212462acf6aSTony Nguyen ice_get_link_status(pf->vsi[i]->port_info, &link_up); 7213462acf6aSTony Nguyen if (link_up) { 7214462acf6aSTony Nguyen netif_carrier_on(pf->vsi[i]->netdev); 7215462acf6aSTony Nguyen netif_tx_wake_all_queues(pf->vsi[i]->netdev); 7216462acf6aSTony Nguyen } else { 7217462acf6aSTony Nguyen netif_carrier_off(pf->vsi[i]->netdev); 7218462acf6aSTony Nguyen netif_tx_stop_all_queues(pf->vsi[i]->netdev); 7219462acf6aSTony Nguyen } 7220462acf6aSTony Nguyen } 7221462acf6aSTony Nguyen } 7222462acf6aSTony Nguyen 7223462acf6aSTony Nguyen /** 72240b28b702SAnirudh Venkataramanan * ice_rebuild - rebuild after reset 72252f2da36eSAnirudh Venkataramanan * @pf: PF to rebuild 7226462acf6aSTony Nguyen * @reset_type: type of reset 722712bb018cSBrett Creeley * 722812bb018cSBrett Creeley * Do not rebuild VF VSI in this flow because that is already handled via 722912bb018cSBrett Creeley * ice_reset_all_vfs(). This is because requirements for resetting a VF after a 723012bb018cSBrett Creeley * PFR/CORER/GLOBER/etc. are different than the normal flow. Also, we don't want 723112bb018cSBrett Creeley * to reset/rebuild all the VF VSI twice. 72320b28b702SAnirudh Venkataramanan */ 7233462acf6aSTony Nguyen static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type) 72340b28b702SAnirudh Venkataramanan { 72354015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 72360b28b702SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 7237a1ffafb0SBrett Creeley bool dvm; 7238462acf6aSTony Nguyen int err; 72390b28b702SAnirudh Venkataramanan 72407e408e07SAnirudh Venkataramanan if (test_bit(ICE_DOWN, pf->state)) 72410b28b702SAnirudh Venkataramanan goto clear_recovery; 72420b28b702SAnirudh Venkataramanan 7243462acf6aSTony Nguyen dev_dbg(dev, "rebuilding PF after reset_type=%d\n", reset_type); 72440b28b702SAnirudh Venkataramanan 7245b537752eSPetr Oros #define ICE_EMP_RESET_SLEEP_MS 5000 7246399e27dbSJacob Keller if (reset_type == ICE_RESET_EMPR) { 7247399e27dbSJacob Keller /* If an EMP reset has occurred, any previously pending flash 7248399e27dbSJacob Keller * update will have completed. We no longer know whether or 7249399e27dbSJacob Keller * not the NVM update EMP reset is restricted. 7250399e27dbSJacob Keller */ 7251399e27dbSJacob Keller pf->fw_emp_reset_disabled = false; 7252b537752eSPetr Oros 7253b537752eSPetr Oros msleep(ICE_EMP_RESET_SLEEP_MS); 7254399e27dbSJacob Keller } 7255399e27dbSJacob Keller 72562ccc1c1cSTony Nguyen err = ice_init_all_ctrlq(hw); 72572ccc1c1cSTony Nguyen if (err) { 72582ccc1c1cSTony Nguyen dev_err(dev, "control queues init failed %d\n", err); 72590f9d5027SAnirudh Venkataramanan goto err_init_ctrlq; 72600b28b702SAnirudh Venkataramanan } 72610b28b702SAnirudh Venkataramanan 7262462acf6aSTony Nguyen /* if DDP was previously loaded successfully */ 7263462acf6aSTony Nguyen if (!ice_is_safe_mode(pf)) { 7264462acf6aSTony Nguyen /* reload the SW DB of filter tables */ 7265462acf6aSTony Nguyen if (reset_type == ICE_RESET_PFR) 7266462acf6aSTony Nguyen ice_fill_blk_tbls(hw); 7267462acf6aSTony Nguyen else 7268462acf6aSTony Nguyen /* Reload DDP Package after CORER/GLOBR reset */ 7269462acf6aSTony Nguyen ice_load_pkg(NULL, pf); 7270462acf6aSTony Nguyen } 7271462acf6aSTony Nguyen 72722ccc1c1cSTony Nguyen err = ice_clear_pf_cfg(hw); 72732ccc1c1cSTony Nguyen if (err) { 72742ccc1c1cSTony Nguyen dev_err(dev, "clear PF configuration failed %d\n", err); 72750f9d5027SAnirudh Venkataramanan goto err_init_ctrlq; 72760b28b702SAnirudh Venkataramanan } 72770b28b702SAnirudh Venkataramanan 72780b28b702SAnirudh Venkataramanan ice_clear_pxe_mode(hw); 72790b28b702SAnirudh Venkataramanan 72802ccc1c1cSTony Nguyen err = ice_init_nvm(hw); 72812ccc1c1cSTony Nguyen if (err) { 72822ccc1c1cSTony Nguyen dev_err(dev, "ice_init_nvm failed %d\n", err); 728397a4ec01SJacob Keller goto err_init_ctrlq; 728497a4ec01SJacob Keller } 728597a4ec01SJacob Keller 72862ccc1c1cSTony Nguyen err = ice_get_caps(hw); 72872ccc1c1cSTony Nguyen if (err) { 72882ccc1c1cSTony Nguyen dev_err(dev, "ice_get_caps failed %d\n", err); 72890f9d5027SAnirudh Venkataramanan goto err_init_ctrlq; 72900b28b702SAnirudh Venkataramanan } 72910b28b702SAnirudh Venkataramanan 72922ccc1c1cSTony Nguyen err = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL); 72932ccc1c1cSTony Nguyen if (err) { 72942ccc1c1cSTony Nguyen dev_err(dev, "set_mac_cfg failed %d\n", err); 729542449105SAnirudh Venkataramanan goto err_init_ctrlq; 729642449105SAnirudh Venkataramanan } 729742449105SAnirudh Venkataramanan 7298a1ffafb0SBrett Creeley dvm = ice_is_dvm_ena(hw); 7299a1ffafb0SBrett Creeley 7300a1ffafb0SBrett Creeley err = ice_aq_set_port_params(pf->hw.port_info, dvm, NULL); 7301a1ffafb0SBrett Creeley if (err) 7302a1ffafb0SBrett Creeley goto err_init_ctrlq; 7303a1ffafb0SBrett Creeley 73040f9d5027SAnirudh Venkataramanan err = ice_sched_init_port(hw->port_info); 73050f9d5027SAnirudh Venkataramanan if (err) 73060f9d5027SAnirudh Venkataramanan goto err_sched_init_port; 73070f9d5027SAnirudh Venkataramanan 73080b28b702SAnirudh Venkataramanan /* start misc vector */ 73090b28b702SAnirudh Venkataramanan err = ice_req_irq_msix_misc(pf); 73100b28b702SAnirudh Venkataramanan if (err) { 73110b28b702SAnirudh Venkataramanan dev_err(dev, "misc vector setup failed: %d\n", err); 7312462acf6aSTony Nguyen goto err_sched_init_port; 73130b28b702SAnirudh Venkataramanan } 73140b28b702SAnirudh Venkataramanan 731583af0039SHenry Tieman if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) { 731683af0039SHenry Tieman wr32(hw, PFQF_FD_ENA, PFQF_FD_ENA_FD_ENA_M); 731783af0039SHenry Tieman if (!rd32(hw, PFQF_FD_SIZE)) { 731883af0039SHenry Tieman u16 unused, guar, b_effort; 731983af0039SHenry Tieman 732083af0039SHenry Tieman guar = hw->func_caps.fd_fltr_guar; 732183af0039SHenry Tieman b_effort = hw->func_caps.fd_fltr_best_effort; 732283af0039SHenry Tieman 732383af0039SHenry Tieman /* force guaranteed filter pool for PF */ 732483af0039SHenry Tieman ice_alloc_fd_guar_item(hw, &unused, guar); 732583af0039SHenry Tieman /* force shared filter pool for PF */ 732683af0039SHenry Tieman ice_alloc_fd_shrd_item(hw, &unused, b_effort); 732783af0039SHenry Tieman } 732883af0039SHenry Tieman } 732983af0039SHenry Tieman 7330462acf6aSTony Nguyen if (test_bit(ICE_FLAG_DCB_ENA, pf->flags)) 7331462acf6aSTony Nguyen ice_dcb_rebuild(pf); 7332462acf6aSTony Nguyen 733306c16d89SJacob Keller /* If the PF previously had enabled PTP, PTP init needs to happen before 733406c16d89SJacob Keller * the VSI rebuild. If not, this causes the PTP link status events to 733506c16d89SJacob Keller * fail. 733606c16d89SJacob Keller */ 733706c16d89SJacob Keller if (test_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags)) 733848096710SKarol Kolacinski ice_ptp_reset(pf); 733906c16d89SJacob Keller 734043113ff7SKarol Kolacinski if (ice_is_feature_supported(pf, ICE_F_GNSS)) 734143113ff7SKarol Kolacinski ice_gnss_init(pf); 734243113ff7SKarol Kolacinski 7343462acf6aSTony Nguyen /* rebuild PF VSI */ 7344462acf6aSTony Nguyen err = ice_vsi_rebuild_by_type(pf, ICE_VSI_PF); 73450f9d5027SAnirudh Venkataramanan if (err) { 7346462acf6aSTony Nguyen dev_err(dev, "PF VSI rebuild failed: %d\n", err); 73470f9d5027SAnirudh Venkataramanan goto err_vsi_rebuild; 73480f9d5027SAnirudh Venkataramanan } 73490b28b702SAnirudh Venkataramanan 735048096710SKarol Kolacinski /* configure PTP timestamping after VSI rebuild */ 735148096710SKarol Kolacinski if (test_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags)) 735248096710SKarol Kolacinski ice_ptp_cfg_timestamp(pf, false); 735348096710SKarol Kolacinski 7354b3be918dSGrzegorz Nitka err = ice_vsi_rebuild_by_type(pf, ICE_VSI_SWITCHDEV_CTRL); 7355b3be918dSGrzegorz Nitka if (err) { 7356b3be918dSGrzegorz Nitka dev_err(dev, "Switchdev CTRL VSI rebuild failed: %d\n", err); 7357b3be918dSGrzegorz Nitka goto err_vsi_rebuild; 7358b3be918dSGrzegorz Nitka } 7359b3be918dSGrzegorz Nitka 7360fbc7b27aSKiran Patil if (reset_type == ICE_RESET_PFR) { 7361fbc7b27aSKiran Patil err = ice_rebuild_channels(pf); 7362fbc7b27aSKiran Patil if (err) { 7363fbc7b27aSKiran Patil dev_err(dev, "failed to rebuild and replay ADQ VSIs, err %d\n", 7364fbc7b27aSKiran Patil err); 7365fbc7b27aSKiran Patil goto err_vsi_rebuild; 7366fbc7b27aSKiran Patil } 7367fbc7b27aSKiran Patil } 7368fbc7b27aSKiran Patil 736983af0039SHenry Tieman /* If Flow Director is active */ 737083af0039SHenry Tieman if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) { 737183af0039SHenry Tieman err = ice_vsi_rebuild_by_type(pf, ICE_VSI_CTRL); 737283af0039SHenry Tieman if (err) { 737383af0039SHenry Tieman dev_err(dev, "control VSI rebuild failed: %d\n", err); 737483af0039SHenry Tieman goto err_vsi_rebuild; 737583af0039SHenry Tieman } 737683af0039SHenry Tieman 737783af0039SHenry Tieman /* replay HW Flow Director recipes */ 737883af0039SHenry Tieman if (hw->fdir_prof) 737983af0039SHenry Tieman ice_fdir_replay_flows(hw); 738083af0039SHenry Tieman 738183af0039SHenry Tieman /* replay Flow Director filters */ 738283af0039SHenry Tieman ice_fdir_replay_fltrs(pf); 738328bf2672SBrett Creeley 738428bf2672SBrett Creeley ice_rebuild_arfs(pf); 738583af0039SHenry Tieman } 738683af0039SHenry Tieman 7387462acf6aSTony Nguyen ice_update_pf_netdev_link(pf); 7388462acf6aSTony Nguyen 7389462acf6aSTony Nguyen /* tell the firmware we are up */ 73902ccc1c1cSTony Nguyen err = ice_send_version(pf); 73912ccc1c1cSTony Nguyen if (err) { 73925f87ec48STony Nguyen dev_err(dev, "Rebuild failed due to error sending driver version: %d\n", 73932ccc1c1cSTony Nguyen err); 7394462acf6aSTony Nguyen goto err_vsi_rebuild; 7395ce317dd9SAnirudh Venkataramanan } 7396462acf6aSTony Nguyen 7397462acf6aSTony Nguyen ice_replay_post(hw); 7398ce317dd9SAnirudh Venkataramanan 73990f9d5027SAnirudh Venkataramanan /* if we get here, reset flow is successful */ 74007e408e07SAnirudh Venkataramanan clear_bit(ICE_RESET_FAILED, pf->state); 7401f9f5301eSDave Ertman 7402f9f5301eSDave Ertman ice_plug_aux_dev(pf); 74033579aa86SDave Ertman if (ice_is_feature_supported(pf, ICE_F_SRIOV_LAG)) 74043579aa86SDave Ertman ice_lag_rebuild(pf); 74050b28b702SAnirudh Venkataramanan return; 74060b28b702SAnirudh Venkataramanan 74070f9d5027SAnirudh Venkataramanan err_vsi_rebuild: 74080f9d5027SAnirudh Venkataramanan err_sched_init_port: 74090f9d5027SAnirudh Venkataramanan ice_sched_cleanup_all(hw); 74100f9d5027SAnirudh Venkataramanan err_init_ctrlq: 74110b28b702SAnirudh Venkataramanan ice_shutdown_all_ctrlq(hw); 74127e408e07SAnirudh Venkataramanan set_bit(ICE_RESET_FAILED, pf->state); 74130b28b702SAnirudh Venkataramanan clear_recovery: 74140f9d5027SAnirudh Venkataramanan /* set this bit in PF state to control service task scheduling */ 74157e408e07SAnirudh Venkataramanan set_bit(ICE_NEEDS_RESTART, pf->state); 74160f9d5027SAnirudh Venkataramanan dev_err(dev, "Rebuild failed, unload and reload driver\n"); 74170b28b702SAnirudh Venkataramanan } 74180b28b702SAnirudh Venkataramanan 74190b28b702SAnirudh Venkataramanan /** 7420e94d4478SAnirudh Venkataramanan * ice_change_mtu - NDO callback to change the MTU 7421e94d4478SAnirudh Venkataramanan * @netdev: network interface device structure 7422e94d4478SAnirudh Venkataramanan * @new_mtu: new value for maximum frame size 7423e94d4478SAnirudh Venkataramanan * 7424e94d4478SAnirudh Venkataramanan * Returns 0 on success, negative on failure 7425e94d4478SAnirudh Venkataramanan */ 7426e94d4478SAnirudh Venkataramanan static int ice_change_mtu(struct net_device *netdev, int new_mtu) 7427e94d4478SAnirudh Venkataramanan { 7428e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 7429e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 7430e94d4478SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 74312fba7dc5SMaciej Fijalkowski struct bpf_prog *prog; 7432e94d4478SAnirudh Venkataramanan u8 count = 0; 7433348048e7SDave Ertman int err = 0; 7434e94d4478SAnirudh Venkataramanan 743522bef5e7SJesse Brandeburg if (new_mtu == (int)netdev->mtu) { 74362f2da36eSAnirudh Venkataramanan netdev_warn(netdev, "MTU is already %u\n", netdev->mtu); 7437e94d4478SAnirudh Venkataramanan return 0; 7438e94d4478SAnirudh Venkataramanan } 7439e94d4478SAnirudh Venkataramanan 74402fba7dc5SMaciej Fijalkowski prog = vsi->xdp_prog; 74412fba7dc5SMaciej Fijalkowski if (prog && !prog->aux->xdp_has_frags) { 744223b44513SMaciej Fijalkowski int frame_size = ice_max_xdp_frame_size(vsi); 7443efc2214bSMaciej Fijalkowski 7444efc2214bSMaciej Fijalkowski if (new_mtu + ICE_ETH_PKT_HDR_PAD > frame_size) { 7445efc2214bSMaciej Fijalkowski netdev_err(netdev, "max MTU for XDP usage is %d\n", 744623b44513SMaciej Fijalkowski frame_size - ICE_ETH_PKT_HDR_PAD); 7447efc2214bSMaciej Fijalkowski return -EINVAL; 7448efc2214bSMaciej Fijalkowski } 7449c61bcebdSMaciej Fijalkowski } else if (test_bit(ICE_FLAG_LEGACY_RX, pf->flags)) { 7450c61bcebdSMaciej Fijalkowski if (new_mtu + ICE_ETH_PKT_HDR_PAD > ICE_MAX_FRAME_LEGACY_RX) { 7451c61bcebdSMaciej Fijalkowski netdev_err(netdev, "Too big MTU for legacy-rx; Max is %d\n", 7452c61bcebdSMaciej Fijalkowski ICE_MAX_FRAME_LEGACY_RX - ICE_ETH_PKT_HDR_PAD); 7453c61bcebdSMaciej Fijalkowski return -EINVAL; 7454c61bcebdSMaciej Fijalkowski } 7455efc2214bSMaciej Fijalkowski } 7456efc2214bSMaciej Fijalkowski 7457e94d4478SAnirudh Venkataramanan /* if a reset is in progress, wait for some time for it to complete */ 7458e94d4478SAnirudh Venkataramanan do { 74595df7e45dSDave Ertman if (ice_is_reset_in_progress(pf->state)) { 7460e94d4478SAnirudh Venkataramanan count++; 7461e94d4478SAnirudh Venkataramanan usleep_range(1000, 2000); 7462e94d4478SAnirudh Venkataramanan } else { 7463e94d4478SAnirudh Venkataramanan break; 7464e94d4478SAnirudh Venkataramanan } 7465e94d4478SAnirudh Venkataramanan 7466e94d4478SAnirudh Venkataramanan } while (count < 100); 7467e94d4478SAnirudh Venkataramanan 7468e94d4478SAnirudh Venkataramanan if (count == 100) { 74692f2da36eSAnirudh Venkataramanan netdev_err(netdev, "can't change MTU. Device is busy\n"); 7470e94d4478SAnirudh Venkataramanan return -EBUSY; 7471e94d4478SAnirudh Venkataramanan } 7472e94d4478SAnirudh Venkataramanan 747322bef5e7SJesse Brandeburg netdev->mtu = (unsigned int)new_mtu; 7474b7a03457SMaciej Fijalkowski err = ice_down_up(vsi); 7475b7a03457SMaciej Fijalkowski if (err) 747697b01291SDave Ertman return err; 7477e94d4478SAnirudh Venkataramanan 7478bda5b7dbSTony Nguyen netdev_dbg(netdev, "changed MTU to %d\n", new_mtu); 747997b01291SDave Ertman set_bit(ICE_FLAG_MTU_CHANGED, pf->flags); 7480348048e7SDave Ertman 7481348048e7SDave Ertman return err; 7482e94d4478SAnirudh Venkataramanan } 7483e94d4478SAnirudh Venkataramanan 7484e94d4478SAnirudh Venkataramanan /** 7485a7605370SArnd Bergmann * ice_eth_ioctl - Access the hwtstamp interface 748677a78115SJacob Keller * @netdev: network interface device structure 748777a78115SJacob Keller * @ifr: interface request data 748877a78115SJacob Keller * @cmd: ioctl command 748977a78115SJacob Keller */ 7490a7605370SArnd Bergmann static int ice_eth_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) 749177a78115SJacob Keller { 749277a78115SJacob Keller struct ice_netdev_priv *np = netdev_priv(netdev); 749377a78115SJacob Keller struct ice_pf *pf = np->vsi->back; 749477a78115SJacob Keller 749577a78115SJacob Keller switch (cmd) { 749677a78115SJacob Keller case SIOCGHWTSTAMP: 749777a78115SJacob Keller return ice_ptp_get_ts_config(pf, ifr); 749877a78115SJacob Keller case SIOCSHWTSTAMP: 749977a78115SJacob Keller return ice_ptp_set_ts_config(pf, ifr); 750077a78115SJacob Keller default: 750177a78115SJacob Keller return -EOPNOTSUPP; 750277a78115SJacob Keller } 750377a78115SJacob Keller } 750477a78115SJacob Keller 750577a78115SJacob Keller /** 75060fee3577SLihong Yang * ice_aq_str - convert AQ err code to a string 75070fee3577SLihong Yang * @aq_err: the AQ error code to convert 75080fee3577SLihong Yang */ 75090fee3577SLihong Yang const char *ice_aq_str(enum ice_aq_err aq_err) 75100fee3577SLihong Yang { 75110fee3577SLihong Yang switch (aq_err) { 75120fee3577SLihong Yang case ICE_AQ_RC_OK: 75130fee3577SLihong Yang return "OK"; 75140fee3577SLihong Yang case ICE_AQ_RC_EPERM: 75150fee3577SLihong Yang return "ICE_AQ_RC_EPERM"; 75160fee3577SLihong Yang case ICE_AQ_RC_ENOENT: 75170fee3577SLihong Yang return "ICE_AQ_RC_ENOENT"; 75180fee3577SLihong Yang case ICE_AQ_RC_ENOMEM: 75190fee3577SLihong Yang return "ICE_AQ_RC_ENOMEM"; 75200fee3577SLihong Yang case ICE_AQ_RC_EBUSY: 75210fee3577SLihong Yang return "ICE_AQ_RC_EBUSY"; 75220fee3577SLihong Yang case ICE_AQ_RC_EEXIST: 75230fee3577SLihong Yang return "ICE_AQ_RC_EEXIST"; 75240fee3577SLihong Yang case ICE_AQ_RC_EINVAL: 75250fee3577SLihong Yang return "ICE_AQ_RC_EINVAL"; 75260fee3577SLihong Yang case ICE_AQ_RC_ENOSPC: 75270fee3577SLihong Yang return "ICE_AQ_RC_ENOSPC"; 75280fee3577SLihong Yang case ICE_AQ_RC_ENOSYS: 75290fee3577SLihong Yang return "ICE_AQ_RC_ENOSYS"; 7530b5e19a64SChinh T Cao case ICE_AQ_RC_EMODE: 7531b5e19a64SChinh T Cao return "ICE_AQ_RC_EMODE"; 75320fee3577SLihong Yang case ICE_AQ_RC_ENOSEC: 75330fee3577SLihong Yang return "ICE_AQ_RC_ENOSEC"; 75340fee3577SLihong Yang case ICE_AQ_RC_EBADSIG: 75350fee3577SLihong Yang return "ICE_AQ_RC_EBADSIG"; 75360fee3577SLihong Yang case ICE_AQ_RC_ESVN: 75370fee3577SLihong Yang return "ICE_AQ_RC_ESVN"; 75380fee3577SLihong Yang case ICE_AQ_RC_EBADMAN: 75390fee3577SLihong Yang return "ICE_AQ_RC_EBADMAN"; 75400fee3577SLihong Yang case ICE_AQ_RC_EBADBUF: 75410fee3577SLihong Yang return "ICE_AQ_RC_EBADBUF"; 75420fee3577SLihong Yang } 75430fee3577SLihong Yang 75440fee3577SLihong Yang return "ICE_AQ_RC_UNKNOWN"; 75450fee3577SLihong Yang } 75460fee3577SLihong Yang 75470fee3577SLihong Yang /** 7548b66a972aSBrett Creeley * ice_set_rss_lut - Set RSS LUT 7549d76a60baSAnirudh Venkataramanan * @vsi: Pointer to VSI structure 7550d76a60baSAnirudh Venkataramanan * @lut: Lookup table 7551d76a60baSAnirudh Venkataramanan * @lut_size: Lookup table size 7552d76a60baSAnirudh Venkataramanan * 7553d76a60baSAnirudh Venkataramanan * Returns 0 on success, negative on failure 7554d76a60baSAnirudh Venkataramanan */ 7555b66a972aSBrett Creeley int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size) 7556d76a60baSAnirudh Venkataramanan { 7557b66a972aSBrett Creeley struct ice_aq_get_set_rss_lut_params params = {}; 7558b66a972aSBrett Creeley struct ice_hw *hw = &vsi->back->hw; 75595e24d598STony Nguyen int status; 7560d76a60baSAnirudh Venkataramanan 7561b66a972aSBrett Creeley if (!lut) 7562b66a972aSBrett Creeley return -EINVAL; 7563d76a60baSAnirudh Venkataramanan 7564b66a972aSBrett Creeley params.vsi_handle = vsi->idx; 7565b66a972aSBrett Creeley params.lut_size = lut_size; 7566b66a972aSBrett Creeley params.lut_type = vsi->rss_lut_type; 7567b66a972aSBrett Creeley params.lut = lut; 7568d76a60baSAnirudh Venkataramanan 7569b66a972aSBrett Creeley status = ice_aq_set_rss_lut(hw, ¶ms); 7570c1484691STony Nguyen if (status) 75715f87ec48STony Nguyen dev_err(ice_pf_to_dev(vsi->back), "Cannot set RSS lut, err %d aq_err %s\n", 75725518ac2aSTony Nguyen status, ice_aq_str(hw->adminq.sq_last_status)); 7573d76a60baSAnirudh Venkataramanan 7574c1484691STony Nguyen return status; 7575d76a60baSAnirudh Venkataramanan } 7576d76a60baSAnirudh Venkataramanan 7577d76a60baSAnirudh Venkataramanan /** 7578b66a972aSBrett Creeley * ice_set_rss_key - Set RSS key 7579b66a972aSBrett Creeley * @vsi: Pointer to the VSI structure 7580b66a972aSBrett Creeley * @seed: RSS hash seed 7581b66a972aSBrett Creeley * 7582b66a972aSBrett Creeley * Returns 0 on success, negative on failure 7583b66a972aSBrett Creeley */ 7584b66a972aSBrett Creeley int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed) 7585b66a972aSBrett Creeley { 7586b66a972aSBrett Creeley struct ice_hw *hw = &vsi->back->hw; 75875e24d598STony Nguyen int status; 7588b66a972aSBrett Creeley 7589b66a972aSBrett Creeley if (!seed) 7590b66a972aSBrett Creeley return -EINVAL; 7591b66a972aSBrett Creeley 7592b66a972aSBrett Creeley status = ice_aq_set_rss_key(hw, vsi->idx, (struct ice_aqc_get_set_rss_keys *)seed); 7593c1484691STony Nguyen if (status) 75945f87ec48STony Nguyen dev_err(ice_pf_to_dev(vsi->back), "Cannot set RSS key, err %d aq_err %s\n", 75955518ac2aSTony Nguyen status, ice_aq_str(hw->adminq.sq_last_status)); 7596b66a972aSBrett Creeley 7597c1484691STony Nguyen return status; 7598b66a972aSBrett Creeley } 7599b66a972aSBrett Creeley 7600b66a972aSBrett Creeley /** 7601b66a972aSBrett Creeley * ice_get_rss_lut - Get RSS LUT 7602d76a60baSAnirudh Venkataramanan * @vsi: Pointer to VSI structure 7603d76a60baSAnirudh Venkataramanan * @lut: Buffer to store the lookup table entries 7604d76a60baSAnirudh Venkataramanan * @lut_size: Size of buffer to store the lookup table entries 7605d76a60baSAnirudh Venkataramanan * 7606d76a60baSAnirudh Venkataramanan * Returns 0 on success, negative on failure 7607d76a60baSAnirudh Venkataramanan */ 7608b66a972aSBrett Creeley int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size) 7609d76a60baSAnirudh Venkataramanan { 7610b66a972aSBrett Creeley struct ice_aq_get_set_rss_lut_params params = {}; 7611b66a972aSBrett Creeley struct ice_hw *hw = &vsi->back->hw; 76125e24d598STony Nguyen int status; 7613d76a60baSAnirudh Venkataramanan 7614b66a972aSBrett Creeley if (!lut) 7615b66a972aSBrett Creeley return -EINVAL; 7616d76a60baSAnirudh Venkataramanan 7617b66a972aSBrett Creeley params.vsi_handle = vsi->idx; 7618b66a972aSBrett Creeley params.lut_size = lut_size; 7619b66a972aSBrett Creeley params.lut_type = vsi->rss_lut_type; 7620b66a972aSBrett Creeley params.lut = lut; 7621b66a972aSBrett Creeley 7622b66a972aSBrett Creeley status = ice_aq_get_rss_lut(hw, ¶ms); 7623c1484691STony Nguyen if (status) 76245f87ec48STony Nguyen dev_err(ice_pf_to_dev(vsi->back), "Cannot get RSS lut, err %d aq_err %s\n", 76255518ac2aSTony Nguyen status, ice_aq_str(hw->adminq.sq_last_status)); 7626b66a972aSBrett Creeley 7627c1484691STony Nguyen return status; 7628d76a60baSAnirudh Venkataramanan } 7629d76a60baSAnirudh Venkataramanan 7630b66a972aSBrett Creeley /** 7631b66a972aSBrett Creeley * ice_get_rss_key - Get RSS key 7632b66a972aSBrett Creeley * @vsi: Pointer to VSI structure 7633b66a972aSBrett Creeley * @seed: Buffer to store the key in 7634b66a972aSBrett Creeley * 7635b66a972aSBrett Creeley * Returns 0 on success, negative on failure 7636b66a972aSBrett Creeley */ 7637b66a972aSBrett Creeley int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed) 7638b66a972aSBrett Creeley { 7639b66a972aSBrett Creeley struct ice_hw *hw = &vsi->back->hw; 76405e24d598STony Nguyen int status; 7641e3c53928SBrett Creeley 7642b66a972aSBrett Creeley if (!seed) 7643b66a972aSBrett Creeley return -EINVAL; 7644b66a972aSBrett Creeley 7645b66a972aSBrett Creeley status = ice_aq_get_rss_key(hw, vsi->idx, (struct ice_aqc_get_set_rss_keys *)seed); 7646c1484691STony Nguyen if (status) 76475f87ec48STony Nguyen dev_err(ice_pf_to_dev(vsi->back), "Cannot get RSS key, err %d aq_err %s\n", 76485518ac2aSTony Nguyen status, ice_aq_str(hw->adminq.sq_last_status)); 7649d76a60baSAnirudh Venkataramanan 7650c1484691STony Nguyen return status; 7651d76a60baSAnirudh Venkataramanan } 7652d76a60baSAnirudh Venkataramanan 7653d76a60baSAnirudh Venkataramanan /** 7654b1edc14aSMd Fahad Iqbal Polash * ice_bridge_getlink - Get the hardware bridge mode 7655b1edc14aSMd Fahad Iqbal Polash * @skb: skb buff 7656f9867df6SAnirudh Venkataramanan * @pid: process ID 7657b1edc14aSMd Fahad Iqbal Polash * @seq: RTNL message seq 7658b1edc14aSMd Fahad Iqbal Polash * @dev: the netdev being configured 7659b1edc14aSMd Fahad Iqbal Polash * @filter_mask: filter mask passed in 7660b1edc14aSMd Fahad Iqbal Polash * @nlflags: netlink flags passed in 7661b1edc14aSMd Fahad Iqbal Polash * 7662b1edc14aSMd Fahad Iqbal Polash * Return the bridge mode (VEB/VEPA) 7663b1edc14aSMd Fahad Iqbal Polash */ 7664b1edc14aSMd Fahad Iqbal Polash static int 7665b1edc14aSMd Fahad Iqbal Polash ice_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, 7666b1edc14aSMd Fahad Iqbal Polash struct net_device *dev, u32 filter_mask, int nlflags) 7667b1edc14aSMd Fahad Iqbal Polash { 7668b1edc14aSMd Fahad Iqbal Polash struct ice_netdev_priv *np = netdev_priv(dev); 7669b1edc14aSMd Fahad Iqbal Polash struct ice_vsi *vsi = np->vsi; 7670b1edc14aSMd Fahad Iqbal Polash struct ice_pf *pf = vsi->back; 7671b1edc14aSMd Fahad Iqbal Polash u16 bmode; 7672b1edc14aSMd Fahad Iqbal Polash 7673b1edc14aSMd Fahad Iqbal Polash bmode = pf->first_sw->bridge_mode; 7674b1edc14aSMd Fahad Iqbal Polash 7675b1edc14aSMd Fahad Iqbal Polash return ndo_dflt_bridge_getlink(skb, pid, seq, dev, bmode, 0, 0, nlflags, 7676b1edc14aSMd Fahad Iqbal Polash filter_mask, NULL); 7677b1edc14aSMd Fahad Iqbal Polash } 7678b1edc14aSMd Fahad Iqbal Polash 7679b1edc14aSMd Fahad Iqbal Polash /** 7680b1edc14aSMd Fahad Iqbal Polash * ice_vsi_update_bridge_mode - Update VSI for switching bridge mode (VEB/VEPA) 7681b1edc14aSMd Fahad Iqbal Polash * @vsi: Pointer to VSI structure 7682b1edc14aSMd Fahad Iqbal Polash * @bmode: Hardware bridge mode (VEB/VEPA) 7683b1edc14aSMd Fahad Iqbal Polash * 7684b1edc14aSMd Fahad Iqbal Polash * Returns 0 on success, negative on failure 7685b1edc14aSMd Fahad Iqbal Polash */ 7686b1edc14aSMd Fahad Iqbal Polash static int ice_vsi_update_bridge_mode(struct ice_vsi *vsi, u16 bmode) 7687b1edc14aSMd Fahad Iqbal Polash { 7688b1edc14aSMd Fahad Iqbal Polash struct ice_aqc_vsi_props *vsi_props; 7689b1edc14aSMd Fahad Iqbal Polash struct ice_hw *hw = &vsi->back->hw; 7690198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 76912ccc1c1cSTony Nguyen int ret; 7692b1edc14aSMd Fahad Iqbal Polash 7693b1edc14aSMd Fahad Iqbal Polash vsi_props = &vsi->info; 7694198a666aSBruce Allan 76959efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 7696198a666aSBruce Allan if (!ctxt) 7697198a666aSBruce Allan return -ENOMEM; 7698198a666aSBruce Allan 7699198a666aSBruce Allan ctxt->info = vsi->info; 7700b1edc14aSMd Fahad Iqbal Polash 7701b1edc14aSMd Fahad Iqbal Polash if (bmode == BRIDGE_MODE_VEB) 7702b1edc14aSMd Fahad Iqbal Polash /* change from VEPA to VEB mode */ 7703198a666aSBruce Allan ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB; 7704b1edc14aSMd Fahad Iqbal Polash else 7705b1edc14aSMd Fahad Iqbal Polash /* change from VEB to VEPA mode */ 7706198a666aSBruce Allan ctxt->info.sw_flags &= ~ICE_AQ_VSI_SW_FLAG_ALLOW_LB; 7707198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SW_VALID); 77085726ca0eSAnirudh Venkataramanan 77092ccc1c1cSTony Nguyen ret = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 77102ccc1c1cSTony Nguyen if (ret) { 77115f87ec48STony Nguyen dev_err(ice_pf_to_dev(vsi->back), "update VSI for bridge mode failed, bmode = %d err %d aq_err %s\n", 77122ccc1c1cSTony Nguyen bmode, ret, ice_aq_str(hw->adminq.sq_last_status)); 7713198a666aSBruce Allan goto out; 7714b1edc14aSMd Fahad Iqbal Polash } 7715b1edc14aSMd Fahad Iqbal Polash /* Update sw flags for book keeping */ 7716198a666aSBruce Allan vsi_props->sw_flags = ctxt->info.sw_flags; 7717b1edc14aSMd Fahad Iqbal Polash 7718198a666aSBruce Allan out: 77199efe35d0STony Nguyen kfree(ctxt); 7720198a666aSBruce Allan return ret; 7721b1edc14aSMd Fahad Iqbal Polash } 7722b1edc14aSMd Fahad Iqbal Polash 7723b1edc14aSMd Fahad Iqbal Polash /** 7724b1edc14aSMd Fahad Iqbal Polash * ice_bridge_setlink - Set the hardware bridge mode 7725b1edc14aSMd Fahad Iqbal Polash * @dev: the netdev being configured 7726b1edc14aSMd Fahad Iqbal Polash * @nlh: RTNL message 7727b1edc14aSMd Fahad Iqbal Polash * @flags: bridge setlink flags 77282fd527b7SPetr Machata * @extack: netlink extended ack 7729b1edc14aSMd Fahad Iqbal Polash * 7730b1edc14aSMd Fahad Iqbal Polash * Sets the bridge mode (VEB/VEPA) of the switch to which the netdev (VSI) is 7731b1edc14aSMd Fahad Iqbal Polash * hooked up to. Iterates through the PF VSI list and sets the loopback mode (if 7732b1edc14aSMd Fahad Iqbal Polash * not already set for all VSIs connected to this switch. And also update the 7733b1edc14aSMd Fahad Iqbal Polash * unicast switch filter rules for the corresponding switch of the netdev. 7734b1edc14aSMd Fahad Iqbal Polash */ 7735b1edc14aSMd Fahad Iqbal Polash static int 7736b1edc14aSMd Fahad Iqbal Polash ice_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh, 77373d505147SBruce Allan u16 __always_unused flags, 77383d505147SBruce Allan struct netlink_ext_ack __always_unused *extack) 7739b1edc14aSMd Fahad Iqbal Polash { 7740b1edc14aSMd Fahad Iqbal Polash struct ice_netdev_priv *np = netdev_priv(dev); 7741b1edc14aSMd Fahad Iqbal Polash struct ice_pf *pf = np->vsi->back; 7742b1edc14aSMd Fahad Iqbal Polash struct nlattr *attr, *br_spec; 7743b1edc14aSMd Fahad Iqbal Polash struct ice_hw *hw = &pf->hw; 7744b1edc14aSMd Fahad Iqbal Polash struct ice_sw *pf_sw; 7745b1edc14aSMd Fahad Iqbal Polash int rem, v, err = 0; 7746b1edc14aSMd Fahad Iqbal Polash 7747b1edc14aSMd Fahad Iqbal Polash pf_sw = pf->first_sw; 7748b1edc14aSMd Fahad Iqbal Polash /* find the attribute in the netlink message */ 7749b1edc14aSMd Fahad Iqbal Polash br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); 7750b1edc14aSMd Fahad Iqbal Polash 7751b1edc14aSMd Fahad Iqbal Polash nla_for_each_nested(attr, br_spec, rem) { 7752b1edc14aSMd Fahad Iqbal Polash __u16 mode; 7753b1edc14aSMd Fahad Iqbal Polash 7754b1edc14aSMd Fahad Iqbal Polash if (nla_type(attr) != IFLA_BRIDGE_MODE) 7755b1edc14aSMd Fahad Iqbal Polash continue; 7756b1edc14aSMd Fahad Iqbal Polash mode = nla_get_u16(attr); 7757b1edc14aSMd Fahad Iqbal Polash if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB) 7758b1edc14aSMd Fahad Iqbal Polash return -EINVAL; 7759b1edc14aSMd Fahad Iqbal Polash /* Continue if bridge mode is not being flipped */ 7760b1edc14aSMd Fahad Iqbal Polash if (mode == pf_sw->bridge_mode) 7761b1edc14aSMd Fahad Iqbal Polash continue; 7762b1edc14aSMd Fahad Iqbal Polash /* Iterates through the PF VSI list and update the loopback 7763b1edc14aSMd Fahad Iqbal Polash * mode of the VSI 7764b1edc14aSMd Fahad Iqbal Polash */ 7765b1edc14aSMd Fahad Iqbal Polash ice_for_each_vsi(pf, v) { 7766b1edc14aSMd Fahad Iqbal Polash if (!pf->vsi[v]) 7767b1edc14aSMd Fahad Iqbal Polash continue; 7768b1edc14aSMd Fahad Iqbal Polash err = ice_vsi_update_bridge_mode(pf->vsi[v], mode); 7769b1edc14aSMd Fahad Iqbal Polash if (err) 7770b1edc14aSMd Fahad Iqbal Polash return err; 7771b1edc14aSMd Fahad Iqbal Polash } 7772b1edc14aSMd Fahad Iqbal Polash 7773b1edc14aSMd Fahad Iqbal Polash hw->evb_veb = (mode == BRIDGE_MODE_VEB); 7774b1edc14aSMd Fahad Iqbal Polash /* Update the unicast switch filter rules for the corresponding 7775b1edc14aSMd Fahad Iqbal Polash * switch of the netdev 7776b1edc14aSMd Fahad Iqbal Polash */ 77772ccc1c1cSTony Nguyen err = ice_update_sw_rule_bridge_mode(hw); 77782ccc1c1cSTony Nguyen if (err) { 77795f87ec48STony Nguyen netdev_err(dev, "switch rule update failed, mode = %d err %d aq_err %s\n", 77802ccc1c1cSTony Nguyen mode, err, 77810fee3577SLihong Yang ice_aq_str(hw->adminq.sq_last_status)); 7782b1edc14aSMd Fahad Iqbal Polash /* revert hw->evb_veb */ 7783b1edc14aSMd Fahad Iqbal Polash hw->evb_veb = (pf_sw->bridge_mode == BRIDGE_MODE_VEB); 7784c1484691STony Nguyen return err; 7785b1edc14aSMd Fahad Iqbal Polash } 7786b1edc14aSMd Fahad Iqbal Polash 7787b1edc14aSMd Fahad Iqbal Polash pf_sw->bridge_mode = mode; 7788b1edc14aSMd Fahad Iqbal Polash } 7789b1edc14aSMd Fahad Iqbal Polash 7790b1edc14aSMd Fahad Iqbal Polash return 0; 7791b1edc14aSMd Fahad Iqbal Polash } 7792b1edc14aSMd Fahad Iqbal Polash 7793b1edc14aSMd Fahad Iqbal Polash /** 7794b3969fd7SSudheer Mogilappagari * ice_tx_timeout - Respond to a Tx Hang 7795b3969fd7SSudheer Mogilappagari * @netdev: network interface device structure 7796644f40eaSBruce Allan * @txqueue: Tx queue 7797b3969fd7SSudheer Mogilappagari */ 77980290bd29SMichael S. Tsirkin static void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue) 7799b3969fd7SSudheer Mogilappagari { 7800b3969fd7SSudheer Mogilappagari struct ice_netdev_priv *np = netdev_priv(netdev); 7801e72bba21SMaciej Fijalkowski struct ice_tx_ring *tx_ring = NULL; 7802b3969fd7SSudheer Mogilappagari struct ice_vsi *vsi = np->vsi; 7803b3969fd7SSudheer Mogilappagari struct ice_pf *pf = vsi->back; 7804807bc98dSBrett Creeley u32 i; 7805b3969fd7SSudheer Mogilappagari 7806b3969fd7SSudheer Mogilappagari pf->tx_timeout_count++; 7807b3969fd7SSudheer Mogilappagari 7808610ed0e9SAvinash JD /* Check if PFC is enabled for the TC to which the queue belongs 7809610ed0e9SAvinash JD * to. If yes then Tx timeout is not caused by a hung queue, no 7810610ed0e9SAvinash JD * need to reset and rebuild 7811610ed0e9SAvinash JD */ 7812610ed0e9SAvinash JD if (ice_is_pfc_causing_hung_q(pf, txqueue)) { 7813610ed0e9SAvinash JD dev_info(ice_pf_to_dev(pf), "Fake Tx hang detected on queue %u, timeout caused by PFC storm\n", 7814610ed0e9SAvinash JD txqueue); 7815610ed0e9SAvinash JD return; 7816610ed0e9SAvinash JD } 7817610ed0e9SAvinash JD 7818b3969fd7SSudheer Mogilappagari /* now that we have an index, find the tx_ring struct */ 78192faf63b6SMaciej Fijalkowski ice_for_each_txq(vsi, i) 7820bc0c6fabSBruce Allan if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc) 7821ed5a3f66SJulio Faracco if (txqueue == vsi->tx_rings[i]->q_index) { 7822b3969fd7SSudheer Mogilappagari tx_ring = vsi->tx_rings[i]; 7823b3969fd7SSudheer Mogilappagari break; 7824b3969fd7SSudheer Mogilappagari } 7825b3969fd7SSudheer Mogilappagari 7826b3969fd7SSudheer Mogilappagari /* Reset recovery level if enough time has elapsed after last timeout. 7827b3969fd7SSudheer Mogilappagari * Also ensure no new reset action happens before next timeout period. 7828b3969fd7SSudheer Mogilappagari */ 7829b3969fd7SSudheer Mogilappagari if (time_after(jiffies, (pf->tx_timeout_last_recovery + HZ * 20))) 7830b3969fd7SSudheer Mogilappagari pf->tx_timeout_recovery_level = 1; 7831b3969fd7SSudheer Mogilappagari else if (time_before(jiffies, (pf->tx_timeout_last_recovery + 7832b3969fd7SSudheer Mogilappagari netdev->watchdog_timeo))) 7833b3969fd7SSudheer Mogilappagari return; 7834b3969fd7SSudheer Mogilappagari 7835b3969fd7SSudheer Mogilappagari if (tx_ring) { 7836807bc98dSBrett Creeley struct ice_hw *hw = &pf->hw; 7837807bc98dSBrett Creeley u32 head, val = 0; 7838807bc98dSBrett Creeley 7839ed5a3f66SJulio Faracco head = (rd32(hw, QTX_COMM_HEAD(vsi->txq_map[txqueue])) & 7840807bc98dSBrett Creeley QTX_COMM_HEAD_HEAD_M) >> QTX_COMM_HEAD_HEAD_S; 7841b3969fd7SSudheer Mogilappagari /* Read interrupt register */ 7842ba880734SBrett Creeley val = rd32(hw, GLINT_DYN_CTL(tx_ring->q_vector->reg_idx)); 7843b3969fd7SSudheer Mogilappagari 784493ff4858STony Nguyen netdev_info(netdev, "tx_timeout: VSI_num: %d, Q %u, NTC: 0x%x, HW_HEAD: 0x%x, NTU: 0x%x, INT: 0x%x\n", 7845ed5a3f66SJulio Faracco vsi->vsi_num, txqueue, tx_ring->next_to_clean, 7846807bc98dSBrett Creeley head, tx_ring->next_to_use, val); 7847b3969fd7SSudheer Mogilappagari } 7848b3969fd7SSudheer Mogilappagari 7849b3969fd7SSudheer Mogilappagari pf->tx_timeout_last_recovery = jiffies; 785093ff4858STony Nguyen netdev_info(netdev, "tx_timeout recovery level %d, txqueue %u\n", 7851ed5a3f66SJulio Faracco pf->tx_timeout_recovery_level, txqueue); 7852b3969fd7SSudheer Mogilappagari 7853b3969fd7SSudheer Mogilappagari switch (pf->tx_timeout_recovery_level) { 7854b3969fd7SSudheer Mogilappagari case 1: 78557e408e07SAnirudh Venkataramanan set_bit(ICE_PFR_REQ, pf->state); 7856b3969fd7SSudheer Mogilappagari break; 7857b3969fd7SSudheer Mogilappagari case 2: 78587e408e07SAnirudh Venkataramanan set_bit(ICE_CORER_REQ, pf->state); 7859b3969fd7SSudheer Mogilappagari break; 7860b3969fd7SSudheer Mogilappagari case 3: 78617e408e07SAnirudh Venkataramanan set_bit(ICE_GLOBR_REQ, pf->state); 7862b3969fd7SSudheer Mogilappagari break; 7863b3969fd7SSudheer Mogilappagari default: 7864b3969fd7SSudheer Mogilappagari netdev_err(netdev, "tx_timeout recovery unsuccessful, device is in unrecoverable state.\n"); 78657e408e07SAnirudh Venkataramanan set_bit(ICE_DOWN, pf->state); 7866e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_NEEDS_RESTART, vsi->state); 78677e408e07SAnirudh Venkataramanan set_bit(ICE_SERVICE_DIS, pf->state); 7868b3969fd7SSudheer Mogilappagari break; 7869b3969fd7SSudheer Mogilappagari } 7870b3969fd7SSudheer Mogilappagari 7871b3969fd7SSudheer Mogilappagari ice_service_task_schedule(pf); 7872b3969fd7SSudheer Mogilappagari pf->tx_timeout_recovery_level++; 7873b3969fd7SSudheer Mogilappagari } 7874b3969fd7SSudheer Mogilappagari 7875b3969fd7SSudheer Mogilappagari /** 78760d08a441SKiran Patil * ice_setup_tc_cls_flower - flower classifier offloads 78770d08a441SKiran Patil * @np: net device to configure 78780d08a441SKiran Patil * @filter_dev: device on which filter is added 78790d08a441SKiran Patil * @cls_flower: offload data 78800d08a441SKiran Patil */ 78810d08a441SKiran Patil static int 78820d08a441SKiran Patil ice_setup_tc_cls_flower(struct ice_netdev_priv *np, 78830d08a441SKiran Patil struct net_device *filter_dev, 78840d08a441SKiran Patil struct flow_cls_offload *cls_flower) 78850d08a441SKiran Patil { 78860d08a441SKiran Patil struct ice_vsi *vsi = np->vsi; 78870d08a441SKiran Patil 78880d08a441SKiran Patil if (cls_flower->common.chain_index) 78890d08a441SKiran Patil return -EOPNOTSUPP; 78900d08a441SKiran Patil 78910d08a441SKiran Patil switch (cls_flower->command) { 78920d08a441SKiran Patil case FLOW_CLS_REPLACE: 78930d08a441SKiran Patil return ice_add_cls_flower(filter_dev, vsi, cls_flower); 78940d08a441SKiran Patil case FLOW_CLS_DESTROY: 78950d08a441SKiran Patil return ice_del_cls_flower(vsi, cls_flower); 78960d08a441SKiran Patil default: 78970d08a441SKiran Patil return -EINVAL; 78980d08a441SKiran Patil } 78990d08a441SKiran Patil } 79000d08a441SKiran Patil 79010d08a441SKiran Patil /** 79020d08a441SKiran Patil * ice_setup_tc_block_cb - callback handler registered for TC block 79030d08a441SKiran Patil * @type: TC SETUP type 79040d08a441SKiran Patil * @type_data: TC flower offload data that contains user input 79050d08a441SKiran Patil * @cb_priv: netdev private data 79060d08a441SKiran Patil */ 79070d08a441SKiran Patil static int 79080d08a441SKiran Patil ice_setup_tc_block_cb(enum tc_setup_type type, void *type_data, void *cb_priv) 79090d08a441SKiran Patil { 79100d08a441SKiran Patil struct ice_netdev_priv *np = cb_priv; 79110d08a441SKiran Patil 79120d08a441SKiran Patil switch (type) { 79130d08a441SKiran Patil case TC_SETUP_CLSFLOWER: 79140d08a441SKiran Patil return ice_setup_tc_cls_flower(np, np->vsi->netdev, 79150d08a441SKiran Patil type_data); 79160d08a441SKiran Patil default: 79170d08a441SKiran Patil return -EOPNOTSUPP; 79180d08a441SKiran Patil } 79190d08a441SKiran Patil } 79200d08a441SKiran Patil 7921fbc7b27aSKiran Patil /** 7922fbc7b27aSKiran Patil * ice_validate_mqprio_qopt - Validate TCF input parameters 7923fbc7b27aSKiran Patil * @vsi: Pointer to VSI 7924fbc7b27aSKiran Patil * @mqprio_qopt: input parameters for mqprio queue configuration 7925fbc7b27aSKiran Patil * 7926fbc7b27aSKiran Patil * This function validates MQPRIO params, such as qcount (power of 2 wherever 7927fbc7b27aSKiran Patil * needed), and make sure user doesn't specify qcount and BW rate limit 7928fbc7b27aSKiran Patil * for TCs, which are more than "num_tc" 7929fbc7b27aSKiran Patil */ 7930fbc7b27aSKiran Patil static int 7931fbc7b27aSKiran Patil ice_validate_mqprio_qopt(struct ice_vsi *vsi, 7932fbc7b27aSKiran Patil struct tc_mqprio_qopt_offload *mqprio_qopt) 7933fbc7b27aSKiran Patil { 7934fbc7b27aSKiran Patil int non_power_of_2_qcount = 0; 7935fbc7b27aSKiran Patil struct ice_pf *pf = vsi->back; 7936fbc7b27aSKiran Patil int max_rss_q_cnt = 0; 79375f16da6eSSridhar Samudrala u64 sum_min_rate = 0; 7938fbc7b27aSKiran Patil struct device *dev; 7939fbc7b27aSKiran Patil int i, speed; 7940fbc7b27aSKiran Patil u8 num_tc; 7941fbc7b27aSKiran Patil 7942fbc7b27aSKiran Patil if (vsi->type != ICE_VSI_PF) 7943fbc7b27aSKiran Patil return -EINVAL; 7944fbc7b27aSKiran Patil 7945fbc7b27aSKiran Patil if (mqprio_qopt->qopt.offset[0] != 0 || 7946fbc7b27aSKiran Patil mqprio_qopt->qopt.num_tc < 1 || 7947fbc7b27aSKiran Patil mqprio_qopt->qopt.num_tc > ICE_CHNL_MAX_TC) 7948fbc7b27aSKiran Patil return -EINVAL; 7949fbc7b27aSKiran Patil 7950fbc7b27aSKiran Patil dev = ice_pf_to_dev(pf); 7951fbc7b27aSKiran Patil vsi->ch_rss_size = 0; 7952fbc7b27aSKiran Patil num_tc = mqprio_qopt->qopt.num_tc; 79535f16da6eSSridhar Samudrala speed = ice_get_link_speed_kbps(vsi); 7954fbc7b27aSKiran Patil 7955fbc7b27aSKiran Patil for (i = 0; num_tc; i++) { 7956fbc7b27aSKiran Patil int qcount = mqprio_qopt->qopt.count[i]; 7957fbc7b27aSKiran Patil u64 max_rate, min_rate, rem; 7958fbc7b27aSKiran Patil 7959fbc7b27aSKiran Patil if (!qcount) 7960fbc7b27aSKiran Patil return -EINVAL; 7961fbc7b27aSKiran Patil 7962fbc7b27aSKiran Patil if (is_power_of_2(qcount)) { 7963fbc7b27aSKiran Patil if (non_power_of_2_qcount && 7964fbc7b27aSKiran Patil qcount > non_power_of_2_qcount) { 7965fbc7b27aSKiran Patil dev_err(dev, "qcount[%d] cannot be greater than non power of 2 qcount[%d]\n", 7966fbc7b27aSKiran Patil qcount, non_power_of_2_qcount); 7967fbc7b27aSKiran Patil return -EINVAL; 7968fbc7b27aSKiran Patil } 7969fbc7b27aSKiran Patil if (qcount > max_rss_q_cnt) 7970fbc7b27aSKiran Patil max_rss_q_cnt = qcount; 7971fbc7b27aSKiran Patil } else { 7972fbc7b27aSKiran Patil if (non_power_of_2_qcount && 7973fbc7b27aSKiran Patil qcount != non_power_of_2_qcount) { 7974fbc7b27aSKiran Patil dev_err(dev, "Only one non power of 2 qcount allowed[%d,%d]\n", 7975fbc7b27aSKiran Patil qcount, non_power_of_2_qcount); 7976fbc7b27aSKiran Patil return -EINVAL; 7977fbc7b27aSKiran Patil } 7978fbc7b27aSKiran Patil if (qcount < max_rss_q_cnt) { 7979fbc7b27aSKiran Patil dev_err(dev, "non power of 2 qcount[%d] cannot be less than other qcount[%d]\n", 7980fbc7b27aSKiran Patil qcount, max_rss_q_cnt); 7981fbc7b27aSKiran Patil return -EINVAL; 7982fbc7b27aSKiran Patil } 7983fbc7b27aSKiran Patil max_rss_q_cnt = qcount; 7984fbc7b27aSKiran Patil non_power_of_2_qcount = qcount; 7985fbc7b27aSKiran Patil } 7986fbc7b27aSKiran Patil 7987fbc7b27aSKiran Patil /* TC command takes input in K/N/Gbps or K/M/Gbit etc but 7988fbc7b27aSKiran Patil * converts the bandwidth rate limit into Bytes/s when 7989fbc7b27aSKiran Patil * passing it down to the driver. So convert input bandwidth 7990fbc7b27aSKiran Patil * from Bytes/s to Kbps 7991fbc7b27aSKiran Patil */ 7992fbc7b27aSKiran Patil max_rate = mqprio_qopt->max_rate[i]; 7993fbc7b27aSKiran Patil max_rate = div_u64(max_rate, ICE_BW_KBPS_DIVISOR); 7994fbc7b27aSKiran Patil 7995fbc7b27aSKiran Patil /* min_rate is minimum guaranteed rate and it can't be zero */ 7996fbc7b27aSKiran Patil min_rate = mqprio_qopt->min_rate[i]; 7997fbc7b27aSKiran Patil min_rate = div_u64(min_rate, ICE_BW_KBPS_DIVISOR); 7998fbc7b27aSKiran Patil sum_min_rate += min_rate; 7999fbc7b27aSKiran Patil 8000fbc7b27aSKiran Patil if (min_rate && min_rate < ICE_MIN_BW_LIMIT) { 8001fbc7b27aSKiran Patil dev_err(dev, "TC%d: min_rate(%llu Kbps) < %u Kbps\n", i, 8002fbc7b27aSKiran Patil min_rate, ICE_MIN_BW_LIMIT); 8003fbc7b27aSKiran Patil return -EINVAL; 8004fbc7b27aSKiran Patil } 8005fbc7b27aSKiran Patil 80065f16da6eSSridhar Samudrala if (max_rate && max_rate > speed) { 80075f16da6eSSridhar Samudrala dev_err(dev, "TC%d: max_rate(%llu Kbps) > link speed of %u Kbps\n", 80085f16da6eSSridhar Samudrala i, max_rate, speed); 80095f16da6eSSridhar Samudrala return -EINVAL; 80105f16da6eSSridhar Samudrala } 80115f16da6eSSridhar Samudrala 8012fbc7b27aSKiran Patil iter_div_u64_rem(min_rate, ICE_MIN_BW_LIMIT, &rem); 8013fbc7b27aSKiran Patil if (rem) { 8014fbc7b27aSKiran Patil dev_err(dev, "TC%d: Min Rate not multiple of %u Kbps", 8015fbc7b27aSKiran Patil i, ICE_MIN_BW_LIMIT); 8016fbc7b27aSKiran Patil return -EINVAL; 8017fbc7b27aSKiran Patil } 8018fbc7b27aSKiran Patil 8019fbc7b27aSKiran Patil iter_div_u64_rem(max_rate, ICE_MIN_BW_LIMIT, &rem); 8020fbc7b27aSKiran Patil if (rem) { 8021fbc7b27aSKiran Patil dev_err(dev, "TC%d: Max Rate not multiple of %u Kbps", 8022fbc7b27aSKiran Patil i, ICE_MIN_BW_LIMIT); 8023fbc7b27aSKiran Patil return -EINVAL; 8024fbc7b27aSKiran Patil } 8025fbc7b27aSKiran Patil 8026fbc7b27aSKiran Patil /* min_rate can't be more than max_rate, except when max_rate 8027fbc7b27aSKiran Patil * is zero (implies max_rate sought is max line rate). In such 8028fbc7b27aSKiran Patil * a case min_rate can be more than max. 8029fbc7b27aSKiran Patil */ 8030fbc7b27aSKiran Patil if (max_rate && min_rate > max_rate) { 8031fbc7b27aSKiran Patil dev_err(dev, "min_rate %llu Kbps can't be more than max_rate %llu Kbps\n", 8032fbc7b27aSKiran Patil min_rate, max_rate); 8033fbc7b27aSKiran Patil return -EINVAL; 8034fbc7b27aSKiran Patil } 8035fbc7b27aSKiran Patil 8036fbc7b27aSKiran Patil if (i >= mqprio_qopt->qopt.num_tc - 1) 8037fbc7b27aSKiran Patil break; 8038fbc7b27aSKiran Patil if (mqprio_qopt->qopt.offset[i + 1] != 8039fbc7b27aSKiran Patil (mqprio_qopt->qopt.offset[i] + qcount)) 8040fbc7b27aSKiran Patil return -EINVAL; 8041fbc7b27aSKiran Patil } 8042fbc7b27aSKiran Patil if (vsi->num_rxq < 8043fbc7b27aSKiran Patil (mqprio_qopt->qopt.offset[i] + mqprio_qopt->qopt.count[i])) 8044fbc7b27aSKiran Patil return -EINVAL; 8045fbc7b27aSKiran Patil if (vsi->num_txq < 8046fbc7b27aSKiran Patil (mqprio_qopt->qopt.offset[i] + mqprio_qopt->qopt.count[i])) 8047fbc7b27aSKiran Patil return -EINVAL; 8048fbc7b27aSKiran Patil 8049fbc7b27aSKiran Patil if (sum_min_rate && sum_min_rate > (u64)speed) { 8050fbc7b27aSKiran Patil dev_err(dev, "Invalid min Tx rate(%llu) Kbps > speed (%u) Kbps specified\n", 8051fbc7b27aSKiran Patil sum_min_rate, speed); 8052fbc7b27aSKiran Patil return -EINVAL; 8053fbc7b27aSKiran Patil } 8054fbc7b27aSKiran Patil 8055fbc7b27aSKiran Patil /* make sure vsi->ch_rss_size is set correctly based on TC's qcount */ 8056fbc7b27aSKiran Patil vsi->ch_rss_size = max_rss_q_cnt; 8057fbc7b27aSKiran Patil 8058fbc7b27aSKiran Patil return 0; 8059fbc7b27aSKiran Patil } 8060fbc7b27aSKiran Patil 8061fbc7b27aSKiran Patil /** 806240319796SKiran Patil * ice_add_vsi_to_fdir - add a VSI to the flow director group for PF 806340319796SKiran Patil * @pf: ptr to PF device 806440319796SKiran Patil * @vsi: ptr to VSI 806540319796SKiran Patil */ 806640319796SKiran Patil static int ice_add_vsi_to_fdir(struct ice_pf *pf, struct ice_vsi *vsi) 806740319796SKiran Patil { 806840319796SKiran Patil struct device *dev = ice_pf_to_dev(pf); 806940319796SKiran Patil bool added = false; 807040319796SKiran Patil struct ice_hw *hw; 807140319796SKiran Patil int flow; 807240319796SKiran Patil 807340319796SKiran Patil if (!(vsi->num_gfltr || vsi->num_bfltr)) 807440319796SKiran Patil return -EINVAL; 807540319796SKiran Patil 807640319796SKiran Patil hw = &pf->hw; 807740319796SKiran Patil for (flow = 0; flow < ICE_FLTR_PTYPE_MAX; flow++) { 807840319796SKiran Patil struct ice_fd_hw_prof *prof; 807940319796SKiran Patil int tun, status; 808040319796SKiran Patil u64 entry_h; 808140319796SKiran Patil 808240319796SKiran Patil if (!(hw->fdir_prof && hw->fdir_prof[flow] && 808340319796SKiran Patil hw->fdir_prof[flow]->cnt)) 808440319796SKiran Patil continue; 808540319796SKiran Patil 808640319796SKiran Patil for (tun = 0; tun < ICE_FD_HW_SEG_MAX; tun++) { 808740319796SKiran Patil enum ice_flow_priority prio; 808840319796SKiran Patil u64 prof_id; 808940319796SKiran Patil 809040319796SKiran Patil /* add this VSI to FDir profile for this flow */ 809140319796SKiran Patil prio = ICE_FLOW_PRIO_NORMAL; 809240319796SKiran Patil prof = hw->fdir_prof[flow]; 809340319796SKiran Patil prof_id = flow + tun * ICE_FLTR_PTYPE_MAX; 809440319796SKiran Patil status = ice_flow_add_entry(hw, ICE_BLK_FD, prof_id, 809540319796SKiran Patil prof->vsi_h[0], vsi->idx, 809640319796SKiran Patil prio, prof->fdir_seg[tun], 809740319796SKiran Patil &entry_h); 809840319796SKiran Patil if (status) { 809940319796SKiran Patil dev_err(dev, "channel VSI idx %d, not able to add to group %d\n", 810040319796SKiran Patil vsi->idx, flow); 810140319796SKiran Patil continue; 810240319796SKiran Patil } 810340319796SKiran Patil 810440319796SKiran Patil prof->entry_h[prof->cnt][tun] = entry_h; 810540319796SKiran Patil } 810640319796SKiran Patil 810740319796SKiran Patil /* store VSI for filter replay and delete */ 810840319796SKiran Patil prof->vsi_h[prof->cnt] = vsi->idx; 810940319796SKiran Patil prof->cnt++; 811040319796SKiran Patil 811140319796SKiran Patil added = true; 811240319796SKiran Patil dev_dbg(dev, "VSI idx %d added to fdir group %d\n", vsi->idx, 811340319796SKiran Patil flow); 811440319796SKiran Patil } 811540319796SKiran Patil 811640319796SKiran Patil if (!added) 811740319796SKiran Patil dev_dbg(dev, "VSI idx %d not added to fdir groups\n", vsi->idx); 811840319796SKiran Patil 811940319796SKiran Patil return 0; 812040319796SKiran Patil } 812140319796SKiran Patil 812240319796SKiran Patil /** 8123fbc7b27aSKiran Patil * ice_add_channel - add a channel by adding VSI 8124fbc7b27aSKiran Patil * @pf: ptr to PF device 8125fbc7b27aSKiran Patil * @sw_id: underlying HW switching element ID 8126fbc7b27aSKiran Patil * @ch: ptr to channel structure 8127fbc7b27aSKiran Patil * 8128fbc7b27aSKiran Patil * Add a channel (VSI) using add_vsi and queue_map 8129fbc7b27aSKiran Patil */ 8130fbc7b27aSKiran Patil static int ice_add_channel(struct ice_pf *pf, u16 sw_id, struct ice_channel *ch) 8131fbc7b27aSKiran Patil { 8132fbc7b27aSKiran Patil struct device *dev = ice_pf_to_dev(pf); 8133fbc7b27aSKiran Patil struct ice_vsi *vsi; 8134fbc7b27aSKiran Patil 8135fbc7b27aSKiran Patil if (ch->type != ICE_VSI_CHNL) { 8136fbc7b27aSKiran Patil dev_err(dev, "add new VSI failed, ch->type %d\n", ch->type); 8137fbc7b27aSKiran Patil return -EINVAL; 8138fbc7b27aSKiran Patil } 8139fbc7b27aSKiran Patil 8140fbc7b27aSKiran Patil vsi = ice_chnl_vsi_setup(pf, pf->hw.port_info, ch); 8141fbc7b27aSKiran Patil if (!vsi || vsi->type != ICE_VSI_CHNL) { 8142fbc7b27aSKiran Patil dev_err(dev, "create chnl VSI failure\n"); 8143fbc7b27aSKiran Patil return -EINVAL; 8144fbc7b27aSKiran Patil } 8145fbc7b27aSKiran Patil 814640319796SKiran Patil ice_add_vsi_to_fdir(pf, vsi); 814740319796SKiran Patil 8148fbc7b27aSKiran Patil ch->sw_id = sw_id; 8149fbc7b27aSKiran Patil ch->vsi_num = vsi->vsi_num; 8150fbc7b27aSKiran Patil ch->info.mapping_flags = vsi->info.mapping_flags; 8151fbc7b27aSKiran Patil ch->ch_vsi = vsi; 8152fbc7b27aSKiran Patil /* set the back pointer of channel for newly created VSI */ 8153fbc7b27aSKiran Patil vsi->ch = ch; 8154fbc7b27aSKiran Patil 8155fbc7b27aSKiran Patil memcpy(&ch->info.q_mapping, &vsi->info.q_mapping, 8156fbc7b27aSKiran Patil sizeof(vsi->info.q_mapping)); 8157fbc7b27aSKiran Patil memcpy(&ch->info.tc_mapping, vsi->info.tc_mapping, 8158fbc7b27aSKiran Patil sizeof(vsi->info.tc_mapping)); 8159fbc7b27aSKiran Patil 8160fbc7b27aSKiran Patil return 0; 8161fbc7b27aSKiran Patil } 8162fbc7b27aSKiran Patil 8163fbc7b27aSKiran Patil /** 8164fbc7b27aSKiran Patil * ice_chnl_cfg_res 8165fbc7b27aSKiran Patil * @vsi: the VSI being setup 8166fbc7b27aSKiran Patil * @ch: ptr to channel structure 8167fbc7b27aSKiran Patil * 8168fbc7b27aSKiran Patil * Configure channel specific resources such as rings, vector. 8169fbc7b27aSKiran Patil */ 8170fbc7b27aSKiran Patil static void ice_chnl_cfg_res(struct ice_vsi *vsi, struct ice_channel *ch) 8171fbc7b27aSKiran Patil { 8172fbc7b27aSKiran Patil int i; 8173fbc7b27aSKiran Patil 8174fbc7b27aSKiran Patil for (i = 0; i < ch->num_txq; i++) { 8175fbc7b27aSKiran Patil struct ice_q_vector *tx_q_vector, *rx_q_vector; 8176fbc7b27aSKiran Patil struct ice_ring_container *rc; 8177fbc7b27aSKiran Patil struct ice_tx_ring *tx_ring; 8178fbc7b27aSKiran Patil struct ice_rx_ring *rx_ring; 8179fbc7b27aSKiran Patil 8180fbc7b27aSKiran Patil tx_ring = vsi->tx_rings[ch->base_q + i]; 8181fbc7b27aSKiran Patil rx_ring = vsi->rx_rings[ch->base_q + i]; 8182fbc7b27aSKiran Patil if (!tx_ring || !rx_ring) 8183fbc7b27aSKiran Patil continue; 8184fbc7b27aSKiran Patil 8185fbc7b27aSKiran Patil /* setup ring being channel enabled */ 8186fbc7b27aSKiran Patil tx_ring->ch = ch; 8187fbc7b27aSKiran Patil rx_ring->ch = ch; 8188fbc7b27aSKiran Patil 8189fbc7b27aSKiran Patil /* following code block sets up vector specific attributes */ 8190fbc7b27aSKiran Patil tx_q_vector = tx_ring->q_vector; 8191fbc7b27aSKiran Patil rx_q_vector = rx_ring->q_vector; 8192fbc7b27aSKiran Patil if (!tx_q_vector && !rx_q_vector) 8193fbc7b27aSKiran Patil continue; 8194fbc7b27aSKiran Patil 8195fbc7b27aSKiran Patil if (tx_q_vector) { 8196fbc7b27aSKiran Patil tx_q_vector->ch = ch; 8197fbc7b27aSKiran Patil /* setup Tx and Rx ITR setting if DIM is off */ 8198fbc7b27aSKiran Patil rc = &tx_q_vector->tx; 8199fbc7b27aSKiran Patil if (!ITR_IS_DYNAMIC(rc)) 8200fbc7b27aSKiran Patil ice_write_itr(rc, rc->itr_setting); 8201fbc7b27aSKiran Patil } 8202fbc7b27aSKiran Patil if (rx_q_vector) { 8203fbc7b27aSKiran Patil rx_q_vector->ch = ch; 8204fbc7b27aSKiran Patil /* setup Tx and Rx ITR setting if DIM is off */ 8205fbc7b27aSKiran Patil rc = &rx_q_vector->rx; 8206fbc7b27aSKiran Patil if (!ITR_IS_DYNAMIC(rc)) 8207fbc7b27aSKiran Patil ice_write_itr(rc, rc->itr_setting); 8208fbc7b27aSKiran Patil } 8209fbc7b27aSKiran Patil } 8210fbc7b27aSKiran Patil 8211fbc7b27aSKiran Patil /* it is safe to assume that, if channel has non-zero num_t[r]xq, then 8212fbc7b27aSKiran Patil * GLINT_ITR register would have written to perform in-context 8213fbc7b27aSKiran Patil * update, hence perform flush 8214fbc7b27aSKiran Patil */ 8215fbc7b27aSKiran Patil if (ch->num_txq || ch->num_rxq) 8216fbc7b27aSKiran Patil ice_flush(&vsi->back->hw); 8217fbc7b27aSKiran Patil } 8218fbc7b27aSKiran Patil 8219fbc7b27aSKiran Patil /** 8220fbc7b27aSKiran Patil * ice_cfg_chnl_all_res - configure channel resources 8221fbc7b27aSKiran Patil * @vsi: pte to main_vsi 8222fbc7b27aSKiran Patil * @ch: ptr to channel structure 8223fbc7b27aSKiran Patil * 8224fbc7b27aSKiran Patil * This function configures channel specific resources such as flow-director 8225fbc7b27aSKiran Patil * counter index, and other resources such as queues, vectors, ITR settings 8226fbc7b27aSKiran Patil */ 8227fbc7b27aSKiran Patil static void 8228fbc7b27aSKiran Patil ice_cfg_chnl_all_res(struct ice_vsi *vsi, struct ice_channel *ch) 8229fbc7b27aSKiran Patil { 8230fbc7b27aSKiran Patil /* configure channel (aka ADQ) resources such as queues, vectors, 8231fbc7b27aSKiran Patil * ITR settings for channel specific vectors and anything else 8232fbc7b27aSKiran Patil */ 8233fbc7b27aSKiran Patil ice_chnl_cfg_res(vsi, ch); 8234fbc7b27aSKiran Patil } 8235fbc7b27aSKiran Patil 8236fbc7b27aSKiran Patil /** 8237fbc7b27aSKiran Patil * ice_setup_hw_channel - setup new channel 8238fbc7b27aSKiran Patil * @pf: ptr to PF device 8239fbc7b27aSKiran Patil * @vsi: the VSI being setup 8240fbc7b27aSKiran Patil * @ch: ptr to channel structure 8241fbc7b27aSKiran Patil * @sw_id: underlying HW switching element ID 8242fbc7b27aSKiran Patil * @type: type of channel to be created (VMDq2/VF) 8243fbc7b27aSKiran Patil * 8244fbc7b27aSKiran Patil * Setup new channel (VSI) based on specified type (VMDq2/VF) 8245fbc7b27aSKiran Patil * and configures Tx rings accordingly 8246fbc7b27aSKiran Patil */ 8247fbc7b27aSKiran Patil static int 8248fbc7b27aSKiran Patil ice_setup_hw_channel(struct ice_pf *pf, struct ice_vsi *vsi, 8249fbc7b27aSKiran Patil struct ice_channel *ch, u16 sw_id, u8 type) 8250fbc7b27aSKiran Patil { 8251fbc7b27aSKiran Patil struct device *dev = ice_pf_to_dev(pf); 8252fbc7b27aSKiran Patil int ret; 8253fbc7b27aSKiran Patil 8254fbc7b27aSKiran Patil ch->base_q = vsi->next_base_q; 8255fbc7b27aSKiran Patil ch->type = type; 8256fbc7b27aSKiran Patil 8257fbc7b27aSKiran Patil ret = ice_add_channel(pf, sw_id, ch); 8258fbc7b27aSKiran Patil if (ret) { 8259fbc7b27aSKiran Patil dev_err(dev, "failed to add_channel using sw_id %u\n", sw_id); 8260fbc7b27aSKiran Patil return ret; 8261fbc7b27aSKiran Patil } 8262fbc7b27aSKiran Patil 8263fbc7b27aSKiran Patil /* configure/setup ADQ specific resources */ 8264fbc7b27aSKiran Patil ice_cfg_chnl_all_res(vsi, ch); 8265fbc7b27aSKiran Patil 8266fbc7b27aSKiran Patil /* make sure to update the next_base_q so that subsequent channel's 8267fbc7b27aSKiran Patil * (aka ADQ) VSI queue map is correct 8268fbc7b27aSKiran Patil */ 8269fbc7b27aSKiran Patil vsi->next_base_q = vsi->next_base_q + ch->num_rxq; 8270fbc7b27aSKiran Patil dev_dbg(dev, "added channel: vsi_num %u, num_rxq %u\n", ch->vsi_num, 8271fbc7b27aSKiran Patil ch->num_rxq); 8272fbc7b27aSKiran Patil 8273fbc7b27aSKiran Patil return 0; 8274fbc7b27aSKiran Patil } 8275fbc7b27aSKiran Patil 8276fbc7b27aSKiran Patil /** 8277fbc7b27aSKiran Patil * ice_setup_channel - setup new channel using uplink element 8278fbc7b27aSKiran Patil * @pf: ptr to PF device 8279fbc7b27aSKiran Patil * @vsi: the VSI being setup 8280fbc7b27aSKiran Patil * @ch: ptr to channel structure 8281fbc7b27aSKiran Patil * 8282fbc7b27aSKiran Patil * Setup new channel (VSI) based on specified type (VMDq2/VF) 8283fbc7b27aSKiran Patil * and uplink switching element 8284fbc7b27aSKiran Patil */ 8285fbc7b27aSKiran Patil static bool 8286fbc7b27aSKiran Patil ice_setup_channel(struct ice_pf *pf, struct ice_vsi *vsi, 8287fbc7b27aSKiran Patil struct ice_channel *ch) 8288fbc7b27aSKiran Patil { 8289fbc7b27aSKiran Patil struct device *dev = ice_pf_to_dev(pf); 8290fbc7b27aSKiran Patil u16 sw_id; 8291fbc7b27aSKiran Patil int ret; 8292fbc7b27aSKiran Patil 8293fbc7b27aSKiran Patil if (vsi->type != ICE_VSI_PF) { 8294fbc7b27aSKiran Patil dev_err(dev, "unsupported parent VSI type(%d)\n", vsi->type); 8295fbc7b27aSKiran Patil return false; 8296fbc7b27aSKiran Patil } 8297fbc7b27aSKiran Patil 8298fbc7b27aSKiran Patil sw_id = pf->first_sw->sw_id; 8299fbc7b27aSKiran Patil 8300fbc7b27aSKiran Patil /* create channel (VSI) */ 8301fbc7b27aSKiran Patil ret = ice_setup_hw_channel(pf, vsi, ch, sw_id, ICE_VSI_CHNL); 8302fbc7b27aSKiran Patil if (ret) { 8303fbc7b27aSKiran Patil dev_err(dev, "failed to setup hw_channel\n"); 8304fbc7b27aSKiran Patil return false; 8305fbc7b27aSKiran Patil } 8306fbc7b27aSKiran Patil dev_dbg(dev, "successfully created channel()\n"); 8307fbc7b27aSKiran Patil 8308fbc7b27aSKiran Patil return ch->ch_vsi ? true : false; 8309fbc7b27aSKiran Patil } 8310fbc7b27aSKiran Patil 8311fbc7b27aSKiran Patil /** 8312fbc7b27aSKiran Patil * ice_set_bw_limit - setup BW limit for Tx traffic based on max_tx_rate 8313fbc7b27aSKiran Patil * @vsi: VSI to be configured 8314fbc7b27aSKiran Patil * @max_tx_rate: max Tx rate in Kbps to be configured as maximum BW limit 8315fbc7b27aSKiran Patil * @min_tx_rate: min Tx rate in Kbps to be configured as minimum BW limit 8316fbc7b27aSKiran Patil */ 8317fbc7b27aSKiran Patil static int 8318fbc7b27aSKiran Patil ice_set_bw_limit(struct ice_vsi *vsi, u64 max_tx_rate, u64 min_tx_rate) 8319fbc7b27aSKiran Patil { 8320fbc7b27aSKiran Patil int err; 8321fbc7b27aSKiran Patil 8322fbc7b27aSKiran Patil err = ice_set_min_bw_limit(vsi, min_tx_rate); 8323fbc7b27aSKiran Patil if (err) 8324fbc7b27aSKiran Patil return err; 8325fbc7b27aSKiran Patil 8326fbc7b27aSKiran Patil return ice_set_max_bw_limit(vsi, max_tx_rate); 8327fbc7b27aSKiran Patil } 8328fbc7b27aSKiran Patil 8329fbc7b27aSKiran Patil /** 8330fbc7b27aSKiran Patil * ice_create_q_channel - function to create channel 8331fbc7b27aSKiran Patil * @vsi: VSI to be configured 8332fbc7b27aSKiran Patil * @ch: ptr to channel (it contains channel specific params) 8333fbc7b27aSKiran Patil * 8334fbc7b27aSKiran Patil * This function creates channel (VSI) using num_queues specified by user, 8335fbc7b27aSKiran Patil * reconfigs RSS if needed. 8336fbc7b27aSKiran Patil */ 8337fbc7b27aSKiran Patil static int ice_create_q_channel(struct ice_vsi *vsi, struct ice_channel *ch) 8338fbc7b27aSKiran Patil { 8339fbc7b27aSKiran Patil struct ice_pf *pf = vsi->back; 8340fbc7b27aSKiran Patil struct device *dev; 8341fbc7b27aSKiran Patil 8342fbc7b27aSKiran Patil if (!ch) 8343fbc7b27aSKiran Patil return -EINVAL; 8344fbc7b27aSKiran Patil 8345fbc7b27aSKiran Patil dev = ice_pf_to_dev(pf); 8346fbc7b27aSKiran Patil if (!ch->num_txq || !ch->num_rxq) { 8347fbc7b27aSKiran Patil dev_err(dev, "Invalid num_queues requested: %d\n", ch->num_rxq); 8348fbc7b27aSKiran Patil return -EINVAL; 8349fbc7b27aSKiran Patil } 8350fbc7b27aSKiran Patil 8351fbc7b27aSKiran Patil if (!vsi->cnt_q_avail || vsi->cnt_q_avail < ch->num_txq) { 8352fbc7b27aSKiran Patil dev_err(dev, "cnt_q_avail (%u) less than num_queues %d\n", 8353fbc7b27aSKiran Patil vsi->cnt_q_avail, ch->num_txq); 8354fbc7b27aSKiran Patil return -EINVAL; 8355fbc7b27aSKiran Patil } 8356fbc7b27aSKiran Patil 8357fbc7b27aSKiran Patil if (!ice_setup_channel(pf, vsi, ch)) { 8358fbc7b27aSKiran Patil dev_info(dev, "Failed to setup channel\n"); 8359fbc7b27aSKiran Patil return -EINVAL; 8360fbc7b27aSKiran Patil } 8361fbc7b27aSKiran Patil /* configure BW rate limit */ 8362fbc7b27aSKiran Patil if (ch->ch_vsi && (ch->max_tx_rate || ch->min_tx_rate)) { 8363fbc7b27aSKiran Patil int ret; 8364fbc7b27aSKiran Patil 8365fbc7b27aSKiran Patil ret = ice_set_bw_limit(ch->ch_vsi, ch->max_tx_rate, 8366fbc7b27aSKiran Patil ch->min_tx_rate); 8367fbc7b27aSKiran Patil if (ret) 8368fbc7b27aSKiran Patil dev_err(dev, "failed to set Tx rate of %llu Kbps for VSI(%u)\n", 8369fbc7b27aSKiran Patil ch->max_tx_rate, ch->ch_vsi->vsi_num); 8370fbc7b27aSKiran Patil else 8371fbc7b27aSKiran Patil dev_dbg(dev, "set Tx rate of %llu Kbps for VSI(%u)\n", 8372fbc7b27aSKiran Patil ch->max_tx_rate, ch->ch_vsi->vsi_num); 8373fbc7b27aSKiran Patil } 8374fbc7b27aSKiran Patil 8375fbc7b27aSKiran Patil vsi->cnt_q_avail -= ch->num_txq; 8376fbc7b27aSKiran Patil 8377fbc7b27aSKiran Patil return 0; 8378fbc7b27aSKiran Patil } 8379fbc7b27aSKiran Patil 8380fbc7b27aSKiran Patil /** 83819fea7498SKiran Patil * ice_rem_all_chnl_fltrs - removes all channel filters 83829fea7498SKiran Patil * @pf: ptr to PF, TC-flower based filter are tracked at PF level 83839fea7498SKiran Patil * 83849fea7498SKiran Patil * Remove all advanced switch filters only if they are channel specific 83859fea7498SKiran Patil * tc-flower based filter 83869fea7498SKiran Patil */ 83879fea7498SKiran Patil static void ice_rem_all_chnl_fltrs(struct ice_pf *pf) 83889fea7498SKiran Patil { 83899fea7498SKiran Patil struct ice_tc_flower_fltr *fltr; 83909fea7498SKiran Patil struct hlist_node *node; 83919fea7498SKiran Patil 83929fea7498SKiran Patil /* to remove all channel filters, iterate an ordered list of filters */ 83939fea7498SKiran Patil hlist_for_each_entry_safe(fltr, node, 83949fea7498SKiran Patil &pf->tc_flower_fltr_list, 83959fea7498SKiran Patil tc_flower_node) { 83969fea7498SKiran Patil struct ice_rule_query_data rule; 83979fea7498SKiran Patil int status; 83989fea7498SKiran Patil 83999fea7498SKiran Patil /* for now process only channel specific filters */ 84009fea7498SKiran Patil if (!ice_is_chnl_fltr(fltr)) 84019fea7498SKiran Patil continue; 84029fea7498SKiran Patil 84039fea7498SKiran Patil rule.rid = fltr->rid; 84049fea7498SKiran Patil rule.rule_id = fltr->rule_id; 8405143b86f3SAmritha Nambiar rule.vsi_handle = fltr->dest_vsi_handle; 84069fea7498SKiran Patil status = ice_rem_adv_rule_by_id(&pf->hw, &rule); 84079fea7498SKiran Patil if (status) { 84089fea7498SKiran Patil if (status == -ENOENT) 84099fea7498SKiran Patil dev_dbg(ice_pf_to_dev(pf), "TC flower filter (rule_id %u) does not exist\n", 84109fea7498SKiran Patil rule.rule_id); 84119fea7498SKiran Patil else 84129fea7498SKiran Patil dev_err(ice_pf_to_dev(pf), "failed to delete TC flower filter, status %d\n", 84139fea7498SKiran Patil status); 84149fea7498SKiran Patil } else if (fltr->dest_vsi) { 84159fea7498SKiran Patil /* update advanced switch filter count */ 84169fea7498SKiran Patil if (fltr->dest_vsi->type == ICE_VSI_CHNL) { 84179fea7498SKiran Patil u32 flags = fltr->flags; 84189fea7498SKiran Patil 84199fea7498SKiran Patil fltr->dest_vsi->num_chnl_fltr--; 84209fea7498SKiran Patil if (flags & (ICE_TC_FLWR_FIELD_DST_MAC | 84219fea7498SKiran Patil ICE_TC_FLWR_FIELD_ENC_DST_MAC)) 84229fea7498SKiran Patil pf->num_dmac_chnl_fltrs--; 84239fea7498SKiran Patil } 84249fea7498SKiran Patil } 84259fea7498SKiran Patil 84269fea7498SKiran Patil hlist_del(&fltr->tc_flower_node); 84279fea7498SKiran Patil kfree(fltr); 84289fea7498SKiran Patil } 84299fea7498SKiran Patil } 84309fea7498SKiran Patil 84319fea7498SKiran Patil /** 8432fbc7b27aSKiran Patil * ice_remove_q_channels - Remove queue channels for the TCs 8433fbc7b27aSKiran Patil * @vsi: VSI to be configured 8434fbc7b27aSKiran Patil * @rem_fltr: delete advanced switch filter or not 8435fbc7b27aSKiran Patil * 8436fbc7b27aSKiran Patil * Remove queue channels for the TCs 8437fbc7b27aSKiran Patil */ 84389fea7498SKiran Patil static void ice_remove_q_channels(struct ice_vsi *vsi, bool rem_fltr) 8439fbc7b27aSKiran Patil { 8440fbc7b27aSKiran Patil struct ice_channel *ch, *ch_tmp; 84419fea7498SKiran Patil struct ice_pf *pf = vsi->back; 8442fbc7b27aSKiran Patil int i; 8443fbc7b27aSKiran Patil 84449fea7498SKiran Patil /* remove all tc-flower based filter if they are channel filters only */ 84459fea7498SKiran Patil if (rem_fltr) 84469fea7498SKiran Patil ice_rem_all_chnl_fltrs(pf); 84479fea7498SKiran Patil 844840319796SKiran Patil /* remove ntuple filters since queue configuration is being changed */ 844940319796SKiran Patil if (vsi->netdev->features & NETIF_F_NTUPLE) { 845040319796SKiran Patil struct ice_hw *hw = &pf->hw; 845140319796SKiran Patil 845240319796SKiran Patil mutex_lock(&hw->fdir_fltr_lock); 845340319796SKiran Patil ice_fdir_del_all_fltrs(vsi); 845440319796SKiran Patil mutex_unlock(&hw->fdir_fltr_lock); 845540319796SKiran Patil } 845640319796SKiran Patil 8457fbc7b27aSKiran Patil /* perform cleanup for channels if they exist */ 8458fbc7b27aSKiran Patil list_for_each_entry_safe(ch, ch_tmp, &vsi->ch_list, list) { 8459fbc7b27aSKiran Patil struct ice_vsi *ch_vsi; 8460fbc7b27aSKiran Patil 8461fbc7b27aSKiran Patil list_del(&ch->list); 8462fbc7b27aSKiran Patil ch_vsi = ch->ch_vsi; 8463fbc7b27aSKiran Patil if (!ch_vsi) { 8464fbc7b27aSKiran Patil kfree(ch); 8465fbc7b27aSKiran Patil continue; 8466fbc7b27aSKiran Patil } 8467fbc7b27aSKiran Patil 8468fbc7b27aSKiran Patil /* Reset queue contexts */ 8469fbc7b27aSKiran Patil for (i = 0; i < ch->num_rxq; i++) { 8470fbc7b27aSKiran Patil struct ice_tx_ring *tx_ring; 8471fbc7b27aSKiran Patil struct ice_rx_ring *rx_ring; 8472fbc7b27aSKiran Patil 8473fbc7b27aSKiran Patil tx_ring = vsi->tx_rings[ch->base_q + i]; 8474fbc7b27aSKiran Patil rx_ring = vsi->rx_rings[ch->base_q + i]; 8475fbc7b27aSKiran Patil if (tx_ring) { 8476fbc7b27aSKiran Patil tx_ring->ch = NULL; 8477fbc7b27aSKiran Patil if (tx_ring->q_vector) 8478fbc7b27aSKiran Patil tx_ring->q_vector->ch = NULL; 8479fbc7b27aSKiran Patil } 8480fbc7b27aSKiran Patil if (rx_ring) { 8481fbc7b27aSKiran Patil rx_ring->ch = NULL; 8482fbc7b27aSKiran Patil if (rx_ring->q_vector) 8483fbc7b27aSKiran Patil rx_ring->q_vector->ch = NULL; 8484fbc7b27aSKiran Patil } 8485fbc7b27aSKiran Patil } 8486fbc7b27aSKiran Patil 848740319796SKiran Patil /* Release FD resources for the channel VSI */ 848840319796SKiran Patil ice_fdir_rem_adq_chnl(&pf->hw, ch->ch_vsi->idx); 848940319796SKiran Patil 8490fbc7b27aSKiran Patil /* clear the VSI from scheduler tree */ 8491fbc7b27aSKiran Patil ice_rm_vsi_lan_cfg(ch->ch_vsi->port_info, ch->ch_vsi->idx); 8492fbc7b27aSKiran Patil 8493227bf450SMichal Swiatkowski /* Delete VSI from FW, PF and HW VSI arrays */ 8494fbc7b27aSKiran Patil ice_vsi_delete(ch->ch_vsi); 8495fbc7b27aSKiran Patil 8496fbc7b27aSKiran Patil /* free the channel */ 8497fbc7b27aSKiran Patil kfree(ch); 8498fbc7b27aSKiran Patil } 8499fbc7b27aSKiran Patil 8500fbc7b27aSKiran Patil /* clear the channel VSI map which is stored in main VSI */ 8501fbc7b27aSKiran Patil ice_for_each_chnl_tc(i) 8502fbc7b27aSKiran Patil vsi->tc_map_vsi[i] = NULL; 8503fbc7b27aSKiran Patil 8504fbc7b27aSKiran Patil /* reset main VSI's all TC information */ 8505fbc7b27aSKiran Patil vsi->all_enatc = 0; 8506fbc7b27aSKiran Patil vsi->all_numtc = 0; 8507fbc7b27aSKiran Patil } 8508fbc7b27aSKiran Patil 8509fbc7b27aSKiran Patil /** 8510fbc7b27aSKiran Patil * ice_rebuild_channels - rebuild channel 8511fbc7b27aSKiran Patil * @pf: ptr to PF 8512fbc7b27aSKiran Patil * 8513fbc7b27aSKiran Patil * Recreate channel VSIs and replay filters 8514fbc7b27aSKiran Patil */ 8515fbc7b27aSKiran Patil static int ice_rebuild_channels(struct ice_pf *pf) 8516fbc7b27aSKiran Patil { 8517fbc7b27aSKiran Patil struct device *dev = ice_pf_to_dev(pf); 8518fbc7b27aSKiran Patil struct ice_vsi *main_vsi; 8519fbc7b27aSKiran Patil bool rem_adv_fltr = true; 8520fbc7b27aSKiran Patil struct ice_channel *ch; 8521fbc7b27aSKiran Patil struct ice_vsi *vsi; 8522fbc7b27aSKiran Patil int tc_idx = 1; 8523fbc7b27aSKiran Patil int i, err; 8524fbc7b27aSKiran Patil 8525fbc7b27aSKiran Patil main_vsi = ice_get_main_vsi(pf); 8526fbc7b27aSKiran Patil if (!main_vsi) 8527fbc7b27aSKiran Patil return 0; 8528fbc7b27aSKiran Patil 8529fbc7b27aSKiran Patil if (!test_bit(ICE_FLAG_TC_MQPRIO, pf->flags) || 8530fbc7b27aSKiran Patil main_vsi->old_numtc == 1) 8531fbc7b27aSKiran Patil return 0; /* nothing to be done */ 8532fbc7b27aSKiran Patil 8533fbc7b27aSKiran Patil /* reconfigure main VSI based on old value of TC and cached values 8534fbc7b27aSKiran Patil * for MQPRIO opts 8535fbc7b27aSKiran Patil */ 8536fbc7b27aSKiran Patil err = ice_vsi_cfg_tc(main_vsi, main_vsi->old_ena_tc); 8537fbc7b27aSKiran Patil if (err) { 8538fbc7b27aSKiran Patil dev_err(dev, "failed configuring TC(ena_tc:0x%02x) for HW VSI=%u\n", 8539fbc7b27aSKiran Patil main_vsi->old_ena_tc, main_vsi->vsi_num); 8540fbc7b27aSKiran Patil return err; 8541fbc7b27aSKiran Patil } 8542fbc7b27aSKiran Patil 8543fbc7b27aSKiran Patil /* rebuild ADQ VSIs */ 8544fbc7b27aSKiran Patil ice_for_each_vsi(pf, i) { 8545fbc7b27aSKiran Patil enum ice_vsi_type type; 8546fbc7b27aSKiran Patil 8547fbc7b27aSKiran Patil vsi = pf->vsi[i]; 8548fbc7b27aSKiran Patil if (!vsi || vsi->type != ICE_VSI_CHNL) 8549fbc7b27aSKiran Patil continue; 8550fbc7b27aSKiran Patil 8551fbc7b27aSKiran Patil type = vsi->type; 8552fbc7b27aSKiran Patil 8553fbc7b27aSKiran Patil /* rebuild ADQ VSI */ 85546624e780SMichal Swiatkowski err = ice_vsi_rebuild(vsi, ICE_VSI_FLAG_INIT); 8555fbc7b27aSKiran Patil if (err) { 8556fbc7b27aSKiran Patil dev_err(dev, "VSI (type:%s) at index %d rebuild failed, err %d\n", 8557fbc7b27aSKiran Patil ice_vsi_type_str(type), vsi->idx, err); 8558fbc7b27aSKiran Patil goto cleanup; 8559fbc7b27aSKiran Patil } 8560fbc7b27aSKiran Patil 8561fbc7b27aSKiran Patil /* Re-map HW VSI number, using VSI handle that has been 8562fbc7b27aSKiran Patil * previously validated in ice_replay_vsi() call above 8563fbc7b27aSKiran Patil */ 8564fbc7b27aSKiran Patil vsi->vsi_num = ice_get_hw_vsi_num(&pf->hw, vsi->idx); 8565fbc7b27aSKiran Patil 8566fbc7b27aSKiran Patil /* replay filters for the VSI */ 8567fbc7b27aSKiran Patil err = ice_replay_vsi(&pf->hw, vsi->idx); 8568fbc7b27aSKiran Patil if (err) { 8569fbc7b27aSKiran Patil dev_err(dev, "VSI (type:%s) replay failed, err %d, VSI index %d\n", 8570fbc7b27aSKiran Patil ice_vsi_type_str(type), err, vsi->idx); 8571fbc7b27aSKiran Patil rem_adv_fltr = false; 8572fbc7b27aSKiran Patil goto cleanup; 8573fbc7b27aSKiran Patil } 8574fbc7b27aSKiran Patil dev_info(dev, "VSI (type:%s) at index %d rebuilt successfully\n", 8575fbc7b27aSKiran Patil ice_vsi_type_str(type), vsi->idx); 8576fbc7b27aSKiran Patil 8577fbc7b27aSKiran Patil /* store ADQ VSI at correct TC index in main VSI's 8578fbc7b27aSKiran Patil * map of TC to VSI 8579fbc7b27aSKiran Patil */ 8580fbc7b27aSKiran Patil main_vsi->tc_map_vsi[tc_idx++] = vsi; 8581fbc7b27aSKiran Patil } 8582fbc7b27aSKiran Patil 8583fbc7b27aSKiran Patil /* ADQ VSI(s) has been rebuilt successfully, so setup 8584fbc7b27aSKiran Patil * channel for main VSI's Tx and Rx rings 8585fbc7b27aSKiran Patil */ 8586fbc7b27aSKiran Patil list_for_each_entry(ch, &main_vsi->ch_list, list) { 8587fbc7b27aSKiran Patil struct ice_vsi *ch_vsi; 8588fbc7b27aSKiran Patil 8589fbc7b27aSKiran Patil ch_vsi = ch->ch_vsi; 8590fbc7b27aSKiran Patil if (!ch_vsi) 8591fbc7b27aSKiran Patil continue; 8592fbc7b27aSKiran Patil 8593fbc7b27aSKiran Patil /* reconfig channel resources */ 8594fbc7b27aSKiran Patil ice_cfg_chnl_all_res(main_vsi, ch); 8595fbc7b27aSKiran Patil 8596fbc7b27aSKiran Patil /* replay BW rate limit if it is non-zero */ 8597fbc7b27aSKiran Patil if (!ch->max_tx_rate && !ch->min_tx_rate) 8598fbc7b27aSKiran Patil continue; 8599fbc7b27aSKiran Patil 8600fbc7b27aSKiran Patil err = ice_set_bw_limit(ch_vsi, ch->max_tx_rate, 8601fbc7b27aSKiran Patil ch->min_tx_rate); 8602fbc7b27aSKiran Patil if (err) 8603fbc7b27aSKiran Patil dev_err(dev, "failed (err:%d) to rebuild BW rate limit, max_tx_rate: %llu Kbps, min_tx_rate: %llu Kbps for VSI(%u)\n", 8604fbc7b27aSKiran Patil err, ch->max_tx_rate, ch->min_tx_rate, 8605fbc7b27aSKiran Patil ch_vsi->vsi_num); 8606fbc7b27aSKiran Patil else 8607fbc7b27aSKiran Patil dev_dbg(dev, "successfully rebuild BW rate limit, max_tx_rate: %llu Kbps, min_tx_rate: %llu Kbps for VSI(%u)\n", 8608fbc7b27aSKiran Patil ch->max_tx_rate, ch->min_tx_rate, 8609fbc7b27aSKiran Patil ch_vsi->vsi_num); 8610fbc7b27aSKiran Patil } 8611fbc7b27aSKiran Patil 8612fbc7b27aSKiran Patil /* reconfig RSS for main VSI */ 8613fbc7b27aSKiran Patil if (main_vsi->ch_rss_size) 8614fbc7b27aSKiran Patil ice_vsi_cfg_rss_lut_key(main_vsi); 8615fbc7b27aSKiran Patil 8616fbc7b27aSKiran Patil return 0; 8617fbc7b27aSKiran Patil 8618fbc7b27aSKiran Patil cleanup: 8619fbc7b27aSKiran Patil ice_remove_q_channels(main_vsi, rem_adv_fltr); 8620fbc7b27aSKiran Patil return err; 8621fbc7b27aSKiran Patil } 8622fbc7b27aSKiran Patil 8623fbc7b27aSKiran Patil /** 8624fbc7b27aSKiran Patil * ice_create_q_channels - Add queue channel for the given TCs 8625fbc7b27aSKiran Patil * @vsi: VSI to be configured 8626fbc7b27aSKiran Patil * 8627fbc7b27aSKiran Patil * Configures queue channel mapping to the given TCs 8628fbc7b27aSKiran Patil */ 8629fbc7b27aSKiran Patil static int ice_create_q_channels(struct ice_vsi *vsi) 8630fbc7b27aSKiran Patil { 8631fbc7b27aSKiran Patil struct ice_pf *pf = vsi->back; 8632fbc7b27aSKiran Patil struct ice_channel *ch; 8633fbc7b27aSKiran Patil int ret = 0, i; 8634fbc7b27aSKiran Patil 8635fbc7b27aSKiran Patil ice_for_each_chnl_tc(i) { 8636fbc7b27aSKiran Patil if (!(vsi->all_enatc & BIT(i))) 8637fbc7b27aSKiran Patil continue; 8638fbc7b27aSKiran Patil 8639fbc7b27aSKiran Patil ch = kzalloc(sizeof(*ch), GFP_KERNEL); 8640fbc7b27aSKiran Patil if (!ch) { 8641fbc7b27aSKiran Patil ret = -ENOMEM; 8642fbc7b27aSKiran Patil goto err_free; 8643fbc7b27aSKiran Patil } 8644fbc7b27aSKiran Patil INIT_LIST_HEAD(&ch->list); 8645fbc7b27aSKiran Patil ch->num_rxq = vsi->mqprio_qopt.qopt.count[i]; 8646fbc7b27aSKiran Patil ch->num_txq = vsi->mqprio_qopt.qopt.count[i]; 8647fbc7b27aSKiran Patil ch->base_q = vsi->mqprio_qopt.qopt.offset[i]; 8648fbc7b27aSKiran Patil ch->max_tx_rate = vsi->mqprio_qopt.max_rate[i]; 8649fbc7b27aSKiran Patil ch->min_tx_rate = vsi->mqprio_qopt.min_rate[i]; 8650fbc7b27aSKiran Patil 8651fbc7b27aSKiran Patil /* convert to Kbits/s */ 8652fbc7b27aSKiran Patil if (ch->max_tx_rate) 8653fbc7b27aSKiran Patil ch->max_tx_rate = div_u64(ch->max_tx_rate, 8654fbc7b27aSKiran Patil ICE_BW_KBPS_DIVISOR); 8655fbc7b27aSKiran Patil if (ch->min_tx_rate) 8656fbc7b27aSKiran Patil ch->min_tx_rate = div_u64(ch->min_tx_rate, 8657fbc7b27aSKiran Patil ICE_BW_KBPS_DIVISOR); 8658fbc7b27aSKiran Patil 8659fbc7b27aSKiran Patil ret = ice_create_q_channel(vsi, ch); 8660fbc7b27aSKiran Patil if (ret) { 8661fbc7b27aSKiran Patil dev_err(ice_pf_to_dev(pf), 8662fbc7b27aSKiran Patil "failed creating channel TC:%d\n", i); 8663fbc7b27aSKiran Patil kfree(ch); 8664fbc7b27aSKiran Patil goto err_free; 8665fbc7b27aSKiran Patil } 8666fbc7b27aSKiran Patil list_add_tail(&ch->list, &vsi->ch_list); 8667fbc7b27aSKiran Patil vsi->tc_map_vsi[i] = ch->ch_vsi; 8668fbc7b27aSKiran Patil dev_dbg(ice_pf_to_dev(pf), 8669fbc7b27aSKiran Patil "successfully created channel: VSI %pK\n", ch->ch_vsi); 8670fbc7b27aSKiran Patil } 8671fbc7b27aSKiran Patil return 0; 8672fbc7b27aSKiran Patil 8673fbc7b27aSKiran Patil err_free: 8674fbc7b27aSKiran Patil ice_remove_q_channels(vsi, false); 8675fbc7b27aSKiran Patil 8676fbc7b27aSKiran Patil return ret; 8677fbc7b27aSKiran Patil } 8678fbc7b27aSKiran Patil 8679fbc7b27aSKiran Patil /** 8680fbc7b27aSKiran Patil * ice_setup_tc_mqprio_qdisc - configure multiple traffic classes 8681fbc7b27aSKiran Patil * @netdev: net device to configure 8682fbc7b27aSKiran Patil * @type_data: TC offload data 8683fbc7b27aSKiran Patil */ 8684fbc7b27aSKiran Patil static int ice_setup_tc_mqprio_qdisc(struct net_device *netdev, void *type_data) 8685fbc7b27aSKiran Patil { 8686fbc7b27aSKiran Patil struct tc_mqprio_qopt_offload *mqprio_qopt = type_data; 8687fbc7b27aSKiran Patil struct ice_netdev_priv *np = netdev_priv(netdev); 8688fbc7b27aSKiran Patil struct ice_vsi *vsi = np->vsi; 8689fbc7b27aSKiran Patil struct ice_pf *pf = vsi->back; 8690fbc7b27aSKiran Patil u16 mode, ena_tc_qdisc = 0; 8691fbc7b27aSKiran Patil int cur_txq, cur_rxq; 8692fbc7b27aSKiran Patil u8 hw = 0, num_tcf; 8693fbc7b27aSKiran Patil struct device *dev; 8694fbc7b27aSKiran Patil int ret, i; 8695fbc7b27aSKiran Patil 8696fbc7b27aSKiran Patil dev = ice_pf_to_dev(pf); 8697fbc7b27aSKiran Patil num_tcf = mqprio_qopt->qopt.num_tc; 8698fbc7b27aSKiran Patil hw = mqprio_qopt->qopt.hw; 8699fbc7b27aSKiran Patil mode = mqprio_qopt->mode; 8700fbc7b27aSKiran Patil if (!hw) { 8701fbc7b27aSKiran Patil clear_bit(ICE_FLAG_TC_MQPRIO, pf->flags); 8702fbc7b27aSKiran Patil vsi->ch_rss_size = 0; 8703fbc7b27aSKiran Patil memcpy(&vsi->mqprio_qopt, mqprio_qopt, sizeof(*mqprio_qopt)); 8704fbc7b27aSKiran Patil goto config_tcf; 8705fbc7b27aSKiran Patil } 8706fbc7b27aSKiran Patil 8707fbc7b27aSKiran Patil /* Generate queue region map for number of TCF requested */ 8708fbc7b27aSKiran Patil for (i = 0; i < num_tcf; i++) 8709fbc7b27aSKiran Patil ena_tc_qdisc |= BIT(i); 8710fbc7b27aSKiran Patil 8711fbc7b27aSKiran Patil switch (mode) { 8712fbc7b27aSKiran Patil case TC_MQPRIO_MODE_CHANNEL: 8713fbc7b27aSKiran Patil 871480fe30a8SMichal Wilczynski if (pf->hw.port_info->is_custom_tx_enabled) { 871580fe30a8SMichal Wilczynski dev_err(dev, "Custom Tx scheduler feature enabled, can't configure ADQ\n"); 871680fe30a8SMichal Wilczynski return -EBUSY; 871780fe30a8SMichal Wilczynski } 871880fe30a8SMichal Wilczynski ice_tear_down_devlink_rate_tree(pf); 871980fe30a8SMichal Wilczynski 8720fbc7b27aSKiran Patil ret = ice_validate_mqprio_qopt(vsi, mqprio_qopt); 8721fbc7b27aSKiran Patil if (ret) { 8722fbc7b27aSKiran Patil netdev_err(netdev, "failed to validate_mqprio_qopt(), ret %d\n", 8723fbc7b27aSKiran Patil ret); 8724fbc7b27aSKiran Patil return ret; 8725fbc7b27aSKiran Patil } 8726fbc7b27aSKiran Patil memcpy(&vsi->mqprio_qopt, mqprio_qopt, sizeof(*mqprio_qopt)); 8727fbc7b27aSKiran Patil set_bit(ICE_FLAG_TC_MQPRIO, pf->flags); 87289fea7498SKiran Patil /* don't assume state of hw_tc_offload during driver load 87299fea7498SKiran Patil * and set the flag for TC flower filter if hw_tc_offload 87309fea7498SKiran Patil * already ON 87319fea7498SKiran Patil */ 87329fea7498SKiran Patil if (vsi->netdev->features & NETIF_F_HW_TC) 87339fea7498SKiran Patil set_bit(ICE_FLAG_CLS_FLOWER, pf->flags); 8734fbc7b27aSKiran Patil break; 8735fbc7b27aSKiran Patil default: 8736fbc7b27aSKiran Patil return -EINVAL; 8737fbc7b27aSKiran Patil } 8738fbc7b27aSKiran Patil 8739fbc7b27aSKiran Patil config_tcf: 8740fbc7b27aSKiran Patil 8741fbc7b27aSKiran Patil /* Requesting same TCF configuration as already enabled */ 8742fbc7b27aSKiran Patil if (ena_tc_qdisc == vsi->tc_cfg.ena_tc && 8743fbc7b27aSKiran Patil mode != TC_MQPRIO_MODE_CHANNEL) 8744fbc7b27aSKiran Patil return 0; 8745fbc7b27aSKiran Patil 8746fbc7b27aSKiran Patil /* Pause VSI queues */ 8747fbc7b27aSKiran Patil ice_dis_vsi(vsi, true); 8748fbc7b27aSKiran Patil 8749fbc7b27aSKiran Patil if (!hw && !test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) 8750fbc7b27aSKiran Patil ice_remove_q_channels(vsi, true); 8751fbc7b27aSKiran Patil 8752fbc7b27aSKiran Patil if (!hw && !test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) { 8753fbc7b27aSKiran Patil vsi->req_txq = min_t(int, ice_get_avail_txq_count(pf), 8754fbc7b27aSKiran Patil num_online_cpus()); 8755fbc7b27aSKiran Patil vsi->req_rxq = min_t(int, ice_get_avail_rxq_count(pf), 8756fbc7b27aSKiran Patil num_online_cpus()); 8757fbc7b27aSKiran Patil } else { 8758fbc7b27aSKiran Patil /* logic to rebuild VSI, same like ethtool -L */ 8759fbc7b27aSKiran Patil u16 offset = 0, qcount_tx = 0, qcount_rx = 0; 8760fbc7b27aSKiran Patil 8761fbc7b27aSKiran Patil for (i = 0; i < num_tcf; i++) { 8762fbc7b27aSKiran Patil if (!(ena_tc_qdisc & BIT(i))) 8763fbc7b27aSKiran Patil continue; 8764fbc7b27aSKiran Patil 8765fbc7b27aSKiran Patil offset = vsi->mqprio_qopt.qopt.offset[i]; 8766fbc7b27aSKiran Patil qcount_rx = vsi->mqprio_qopt.qopt.count[i]; 8767fbc7b27aSKiran Patil qcount_tx = vsi->mqprio_qopt.qopt.count[i]; 8768fbc7b27aSKiran Patil } 8769fbc7b27aSKiran Patil vsi->req_txq = offset + qcount_tx; 8770fbc7b27aSKiran Patil vsi->req_rxq = offset + qcount_rx; 8771fbc7b27aSKiran Patil 8772fbc7b27aSKiran Patil /* store away original rss_size info, so that it gets reused 8773fbc7b27aSKiran Patil * form ice_vsi_rebuild during tc-qdisc delete stage - to 8774fbc7b27aSKiran Patil * determine, what should be the rss_sizefor main VSI 8775fbc7b27aSKiran Patil */ 8776fbc7b27aSKiran Patil vsi->orig_rss_size = vsi->rss_size; 8777fbc7b27aSKiran Patil } 8778fbc7b27aSKiran Patil 8779fbc7b27aSKiran Patil /* save current values of Tx and Rx queues before calling VSI rebuild 8780fbc7b27aSKiran Patil * for fallback option 8781fbc7b27aSKiran Patil */ 8782fbc7b27aSKiran Patil cur_txq = vsi->num_txq; 8783fbc7b27aSKiran Patil cur_rxq = vsi->num_rxq; 8784fbc7b27aSKiran Patil 8785fbc7b27aSKiran Patil /* proceed with rebuild main VSI using correct number of queues */ 87866624e780SMichal Swiatkowski ret = ice_vsi_rebuild(vsi, ICE_VSI_FLAG_NO_INIT); 8787fbc7b27aSKiran Patil if (ret) { 8788fbc7b27aSKiran Patil /* fallback to current number of queues */ 8789fbc7b27aSKiran Patil dev_info(dev, "Rebuild failed with new queues, try with current number of queues\n"); 8790fbc7b27aSKiran Patil vsi->req_txq = cur_txq; 8791fbc7b27aSKiran Patil vsi->req_rxq = cur_rxq; 8792fbc7b27aSKiran Patil clear_bit(ICE_RESET_FAILED, pf->state); 87936624e780SMichal Swiatkowski if (ice_vsi_rebuild(vsi, ICE_VSI_FLAG_NO_INIT)) { 8794fbc7b27aSKiran Patil dev_err(dev, "Rebuild of main VSI failed again\n"); 8795fbc7b27aSKiran Patil return ret; 8796fbc7b27aSKiran Patil } 8797fbc7b27aSKiran Patil } 8798fbc7b27aSKiran Patil 8799fbc7b27aSKiran Patil vsi->all_numtc = num_tcf; 8800fbc7b27aSKiran Patil vsi->all_enatc = ena_tc_qdisc; 8801fbc7b27aSKiran Patil ret = ice_vsi_cfg_tc(vsi, ena_tc_qdisc); 8802fbc7b27aSKiran Patil if (ret) { 8803fbc7b27aSKiran Patil netdev_err(netdev, "failed configuring TC for VSI id=%d\n", 8804fbc7b27aSKiran Patil vsi->vsi_num); 8805fbc7b27aSKiran Patil goto exit; 8806fbc7b27aSKiran Patil } 8807fbc7b27aSKiran Patil 8808fbc7b27aSKiran Patil if (test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) { 8809fbc7b27aSKiran Patil u64 max_tx_rate = vsi->mqprio_qopt.max_rate[0]; 8810fbc7b27aSKiran Patil u64 min_tx_rate = vsi->mqprio_qopt.min_rate[0]; 8811fbc7b27aSKiran Patil 8812fbc7b27aSKiran Patil /* set TC0 rate limit if specified */ 8813fbc7b27aSKiran Patil if (max_tx_rate || min_tx_rate) { 8814fbc7b27aSKiran Patil /* convert to Kbits/s */ 8815fbc7b27aSKiran Patil if (max_tx_rate) 8816fbc7b27aSKiran Patil max_tx_rate = div_u64(max_tx_rate, ICE_BW_KBPS_DIVISOR); 8817fbc7b27aSKiran Patil if (min_tx_rate) 8818fbc7b27aSKiran Patil min_tx_rate = div_u64(min_tx_rate, ICE_BW_KBPS_DIVISOR); 8819fbc7b27aSKiran Patil 8820fbc7b27aSKiran Patil ret = ice_set_bw_limit(vsi, max_tx_rate, min_tx_rate); 8821fbc7b27aSKiran Patil if (!ret) { 8822fbc7b27aSKiran Patil dev_dbg(dev, "set Tx rate max %llu min %llu for VSI(%u)\n", 8823fbc7b27aSKiran Patil max_tx_rate, min_tx_rate, vsi->vsi_num); 8824fbc7b27aSKiran Patil } else { 8825fbc7b27aSKiran Patil dev_err(dev, "failed to set Tx rate max %llu min %llu for VSI(%u)\n", 8826fbc7b27aSKiran Patil max_tx_rate, min_tx_rate, vsi->vsi_num); 8827fbc7b27aSKiran Patil goto exit; 8828fbc7b27aSKiran Patil } 8829fbc7b27aSKiran Patil } 8830fbc7b27aSKiran Patil ret = ice_create_q_channels(vsi); 8831fbc7b27aSKiran Patil if (ret) { 8832fbc7b27aSKiran Patil netdev_err(netdev, "failed configuring queue channels\n"); 8833fbc7b27aSKiran Patil goto exit; 8834fbc7b27aSKiran Patil } else { 8835fbc7b27aSKiran Patil netdev_dbg(netdev, "successfully configured channels\n"); 8836fbc7b27aSKiran Patil } 8837fbc7b27aSKiran Patil } 8838fbc7b27aSKiran Patil 8839fbc7b27aSKiran Patil if (vsi->ch_rss_size) 8840fbc7b27aSKiran Patil ice_vsi_cfg_rss_lut_key(vsi); 8841fbc7b27aSKiran Patil 8842fbc7b27aSKiran Patil exit: 8843fbc7b27aSKiran Patil /* if error, reset the all_numtc and all_enatc */ 8844fbc7b27aSKiran Patil if (ret) { 8845fbc7b27aSKiran Patil vsi->all_numtc = 0; 8846fbc7b27aSKiran Patil vsi->all_enatc = 0; 8847fbc7b27aSKiran Patil } 8848fbc7b27aSKiran Patil /* resume VSI */ 8849fbc7b27aSKiran Patil ice_ena_vsi(vsi, true); 8850fbc7b27aSKiran Patil 8851fbc7b27aSKiran Patil return ret; 8852fbc7b27aSKiran Patil } 8853fbc7b27aSKiran Patil 88540d08a441SKiran Patil static LIST_HEAD(ice_block_cb_list); 88550d08a441SKiran Patil 88560d08a441SKiran Patil static int 88570d08a441SKiran Patil ice_setup_tc(struct net_device *netdev, enum tc_setup_type type, 88580d08a441SKiran Patil void *type_data) 88590d08a441SKiran Patil { 88600d08a441SKiran Patil struct ice_netdev_priv *np = netdev_priv(netdev); 8861fbc7b27aSKiran Patil struct ice_pf *pf = np->vsi->back; 88624b31fd4dSRafal Rogalski bool locked = false; 8863fbc7b27aSKiran Patil int err; 88640d08a441SKiran Patil 88650d08a441SKiran Patil switch (type) { 88660d08a441SKiran Patil case TC_SETUP_BLOCK: 88670d08a441SKiran Patil return flow_block_cb_setup_simple(type_data, 88680d08a441SKiran Patil &ice_block_cb_list, 88690d08a441SKiran Patil ice_setup_tc_block_cb, 88700d08a441SKiran Patil np, np, true); 8871fbc7b27aSKiran Patil case TC_SETUP_QDISC_MQPRIO: 88724b31fd4dSRafal Rogalski if (pf->adev) { 88734b31fd4dSRafal Rogalski mutex_lock(&pf->adev_mutex); 88744b31fd4dSRafal Rogalski device_lock(&pf->adev->dev); 88754b31fd4dSRafal Rogalski locked = true; 88764b31fd4dSRafal Rogalski if (pf->adev->dev.driver) { 88774b31fd4dSRafal Rogalski netdev_err(netdev, "Cannot change qdisc when RDMA is active\n"); 88784b31fd4dSRafal Rogalski err = -EBUSY; 88794b31fd4dSRafal Rogalski goto adev_unlock; 88804b31fd4dSRafal Rogalski } 88814b31fd4dSRafal Rogalski } 88824b31fd4dSRafal Rogalski 8883fbc7b27aSKiran Patil /* setup traffic classifier for receive side */ 8884fbc7b27aSKiran Patil mutex_lock(&pf->tc_mutex); 8885fbc7b27aSKiran Patil err = ice_setup_tc_mqprio_qdisc(netdev, type_data); 8886fbc7b27aSKiran Patil mutex_unlock(&pf->tc_mutex); 88874b31fd4dSRafal Rogalski 88884b31fd4dSRafal Rogalski adev_unlock: 88894b31fd4dSRafal Rogalski if (locked) { 88904b31fd4dSRafal Rogalski device_unlock(&pf->adev->dev); 88914b31fd4dSRafal Rogalski mutex_unlock(&pf->adev_mutex); 88924b31fd4dSRafal Rogalski } 8893fbc7b27aSKiran Patil return err; 88940d08a441SKiran Patil default: 88950d08a441SKiran Patil return -EOPNOTSUPP; 88960d08a441SKiran Patil } 88970d08a441SKiran Patil return -EOPNOTSUPP; 88980d08a441SKiran Patil } 88990d08a441SKiran Patil 8900195bb48fSMichal Swiatkowski static struct ice_indr_block_priv * 8901195bb48fSMichal Swiatkowski ice_indr_block_priv_lookup(struct ice_netdev_priv *np, 8902195bb48fSMichal Swiatkowski struct net_device *netdev) 8903195bb48fSMichal Swiatkowski { 8904195bb48fSMichal Swiatkowski struct ice_indr_block_priv *cb_priv; 8905195bb48fSMichal Swiatkowski 8906195bb48fSMichal Swiatkowski list_for_each_entry(cb_priv, &np->tc_indr_block_priv_list, list) { 8907195bb48fSMichal Swiatkowski if (!cb_priv->netdev) 8908195bb48fSMichal Swiatkowski return NULL; 8909195bb48fSMichal Swiatkowski if (cb_priv->netdev == netdev) 8910195bb48fSMichal Swiatkowski return cb_priv; 8911195bb48fSMichal Swiatkowski } 8912195bb48fSMichal Swiatkowski return NULL; 8913195bb48fSMichal Swiatkowski } 8914195bb48fSMichal Swiatkowski 8915195bb48fSMichal Swiatkowski static int 8916195bb48fSMichal Swiatkowski ice_indr_setup_block_cb(enum tc_setup_type type, void *type_data, 8917195bb48fSMichal Swiatkowski void *indr_priv) 8918195bb48fSMichal Swiatkowski { 8919195bb48fSMichal Swiatkowski struct ice_indr_block_priv *priv = indr_priv; 8920195bb48fSMichal Swiatkowski struct ice_netdev_priv *np = priv->np; 8921195bb48fSMichal Swiatkowski 8922195bb48fSMichal Swiatkowski switch (type) { 8923195bb48fSMichal Swiatkowski case TC_SETUP_CLSFLOWER: 8924195bb48fSMichal Swiatkowski return ice_setup_tc_cls_flower(np, priv->netdev, 8925195bb48fSMichal Swiatkowski (struct flow_cls_offload *) 8926195bb48fSMichal Swiatkowski type_data); 8927195bb48fSMichal Swiatkowski default: 8928195bb48fSMichal Swiatkowski return -EOPNOTSUPP; 8929195bb48fSMichal Swiatkowski } 8930195bb48fSMichal Swiatkowski } 8931195bb48fSMichal Swiatkowski 8932195bb48fSMichal Swiatkowski static int 8933195bb48fSMichal Swiatkowski ice_indr_setup_tc_block(struct net_device *netdev, struct Qdisc *sch, 8934195bb48fSMichal Swiatkowski struct ice_netdev_priv *np, 8935195bb48fSMichal Swiatkowski struct flow_block_offload *f, void *data, 8936195bb48fSMichal Swiatkowski void (*cleanup)(struct flow_block_cb *block_cb)) 8937195bb48fSMichal Swiatkowski { 8938195bb48fSMichal Swiatkowski struct ice_indr_block_priv *indr_priv; 8939195bb48fSMichal Swiatkowski struct flow_block_cb *block_cb; 8940195bb48fSMichal Swiatkowski 89419e300987SMichal Swiatkowski if (!ice_is_tunnel_supported(netdev) && 89429e300987SMichal Swiatkowski !(is_vlan_dev(netdev) && 89439e300987SMichal Swiatkowski vlan_dev_real_dev(netdev) == np->vsi->netdev)) 89449e300987SMichal Swiatkowski return -EOPNOTSUPP; 89459e300987SMichal Swiatkowski 8946195bb48fSMichal Swiatkowski if (f->binder_type != FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS) 8947195bb48fSMichal Swiatkowski return -EOPNOTSUPP; 8948195bb48fSMichal Swiatkowski 8949195bb48fSMichal Swiatkowski switch (f->command) { 8950195bb48fSMichal Swiatkowski case FLOW_BLOCK_BIND: 8951195bb48fSMichal Swiatkowski indr_priv = ice_indr_block_priv_lookup(np, netdev); 8952195bb48fSMichal Swiatkowski if (indr_priv) 8953195bb48fSMichal Swiatkowski return -EEXIST; 8954195bb48fSMichal Swiatkowski 8955195bb48fSMichal Swiatkowski indr_priv = kzalloc(sizeof(*indr_priv), GFP_KERNEL); 8956195bb48fSMichal Swiatkowski if (!indr_priv) 8957195bb48fSMichal Swiatkowski return -ENOMEM; 8958195bb48fSMichal Swiatkowski 8959195bb48fSMichal Swiatkowski indr_priv->netdev = netdev; 8960195bb48fSMichal Swiatkowski indr_priv->np = np; 8961195bb48fSMichal Swiatkowski list_add(&indr_priv->list, &np->tc_indr_block_priv_list); 8962195bb48fSMichal Swiatkowski 8963195bb48fSMichal Swiatkowski block_cb = 8964195bb48fSMichal Swiatkowski flow_indr_block_cb_alloc(ice_indr_setup_block_cb, 8965195bb48fSMichal Swiatkowski indr_priv, indr_priv, 8966195bb48fSMichal Swiatkowski ice_rep_indr_tc_block_unbind, 8967195bb48fSMichal Swiatkowski f, netdev, sch, data, np, 8968195bb48fSMichal Swiatkowski cleanup); 8969195bb48fSMichal Swiatkowski 8970195bb48fSMichal Swiatkowski if (IS_ERR(block_cb)) { 8971195bb48fSMichal Swiatkowski list_del(&indr_priv->list); 8972195bb48fSMichal Swiatkowski kfree(indr_priv); 8973195bb48fSMichal Swiatkowski return PTR_ERR(block_cb); 8974195bb48fSMichal Swiatkowski } 8975195bb48fSMichal Swiatkowski flow_block_cb_add(block_cb, f); 8976195bb48fSMichal Swiatkowski list_add_tail(&block_cb->driver_list, &ice_block_cb_list); 8977195bb48fSMichal Swiatkowski break; 8978195bb48fSMichal Swiatkowski case FLOW_BLOCK_UNBIND: 8979195bb48fSMichal Swiatkowski indr_priv = ice_indr_block_priv_lookup(np, netdev); 8980195bb48fSMichal Swiatkowski if (!indr_priv) 8981195bb48fSMichal Swiatkowski return -ENOENT; 8982195bb48fSMichal Swiatkowski 8983195bb48fSMichal Swiatkowski block_cb = flow_block_cb_lookup(f->block, 8984195bb48fSMichal Swiatkowski ice_indr_setup_block_cb, 8985195bb48fSMichal Swiatkowski indr_priv); 8986195bb48fSMichal Swiatkowski if (!block_cb) 8987195bb48fSMichal Swiatkowski return -ENOENT; 8988195bb48fSMichal Swiatkowski 8989195bb48fSMichal Swiatkowski flow_indr_block_cb_remove(block_cb, f); 8990195bb48fSMichal Swiatkowski 8991195bb48fSMichal Swiatkowski list_del(&block_cb->driver_list); 8992195bb48fSMichal Swiatkowski break; 8993195bb48fSMichal Swiatkowski default: 8994195bb48fSMichal Swiatkowski return -EOPNOTSUPP; 8995195bb48fSMichal Swiatkowski } 8996195bb48fSMichal Swiatkowski return 0; 8997195bb48fSMichal Swiatkowski } 8998195bb48fSMichal Swiatkowski 8999195bb48fSMichal Swiatkowski static int 9000195bb48fSMichal Swiatkowski ice_indr_setup_tc_cb(struct net_device *netdev, struct Qdisc *sch, 9001195bb48fSMichal Swiatkowski void *cb_priv, enum tc_setup_type type, void *type_data, 9002195bb48fSMichal Swiatkowski void *data, 9003195bb48fSMichal Swiatkowski void (*cleanup)(struct flow_block_cb *block_cb)) 9004195bb48fSMichal Swiatkowski { 9005195bb48fSMichal Swiatkowski switch (type) { 9006195bb48fSMichal Swiatkowski case TC_SETUP_BLOCK: 9007195bb48fSMichal Swiatkowski return ice_indr_setup_tc_block(netdev, sch, cb_priv, type_data, 9008195bb48fSMichal Swiatkowski data, cleanup); 9009195bb48fSMichal Swiatkowski 9010195bb48fSMichal Swiatkowski default: 9011195bb48fSMichal Swiatkowski return -EOPNOTSUPP; 9012195bb48fSMichal Swiatkowski } 9013195bb48fSMichal Swiatkowski } 9014195bb48fSMichal Swiatkowski 90150d08a441SKiran Patil /** 9016cdedef59SAnirudh Venkataramanan * ice_open - Called when a network interface becomes active 9017cdedef59SAnirudh Venkataramanan * @netdev: network interface device structure 9018cdedef59SAnirudh Venkataramanan * 9019cdedef59SAnirudh Venkataramanan * The open entry point is called when a network interface is made 9020cdedef59SAnirudh Venkataramanan * active by the system (IFF_UP). At this point all resources needed 9021cdedef59SAnirudh Venkataramanan * for transmit and receive operations are allocated, the interrupt 9022cdedef59SAnirudh Venkataramanan * handler is registered with the OS, the netdev watchdog is enabled, 9023cdedef59SAnirudh Venkataramanan * and the stack is notified that the interface is ready. 9024cdedef59SAnirudh Venkataramanan * 9025cdedef59SAnirudh Venkataramanan * Returns 0 on success, negative value on failure 9026cdedef59SAnirudh Venkataramanan */ 90270e674aebSAnirudh Venkataramanan int ice_open(struct net_device *netdev) 9028cdedef59SAnirudh Venkataramanan { 9029cdedef59SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 9030e95fc857SKrzysztof Goreczny struct ice_pf *pf = np->vsi->back; 9031e95fc857SKrzysztof Goreczny 9032e95fc857SKrzysztof Goreczny if (ice_is_reset_in_progress(pf->state)) { 9033e95fc857SKrzysztof Goreczny netdev_err(netdev, "can't open net device while reset is in progress"); 9034e95fc857SKrzysztof Goreczny return -EBUSY; 9035e95fc857SKrzysztof Goreczny } 9036e95fc857SKrzysztof Goreczny 9037e95fc857SKrzysztof Goreczny return ice_open_internal(netdev); 9038e95fc857SKrzysztof Goreczny } 9039e95fc857SKrzysztof Goreczny 9040e95fc857SKrzysztof Goreczny /** 9041e95fc857SKrzysztof Goreczny * ice_open_internal - Called when a network interface becomes active 9042e95fc857SKrzysztof Goreczny * @netdev: network interface device structure 9043e95fc857SKrzysztof Goreczny * 9044e95fc857SKrzysztof Goreczny * Internal ice_open implementation. Should not be used directly except for ice_open and reset 9045e95fc857SKrzysztof Goreczny * handling routine 9046e95fc857SKrzysztof Goreczny * 9047e95fc857SKrzysztof Goreczny * Returns 0 on success, negative value on failure 9048e95fc857SKrzysztof Goreczny */ 9049e95fc857SKrzysztof Goreczny int ice_open_internal(struct net_device *netdev) 9050e95fc857SKrzysztof Goreczny { 9051e95fc857SKrzysztof Goreczny struct ice_netdev_priv *np = netdev_priv(netdev); 9052cdedef59SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 9053de75135bSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 90546d599946STony Nguyen struct ice_port_info *pi; 9055cdedef59SAnirudh Venkataramanan int err; 9056cdedef59SAnirudh Venkataramanan 90577e408e07SAnirudh Venkataramanan if (test_bit(ICE_NEEDS_RESTART, pf->state)) { 90580f9d5027SAnirudh Venkataramanan netdev_err(netdev, "driver needs to be unloaded and reloaded\n"); 90590f9d5027SAnirudh Venkataramanan return -EIO; 90600f9d5027SAnirudh Venkataramanan } 90610f9d5027SAnirudh Venkataramanan 9062cdedef59SAnirudh Venkataramanan netif_carrier_off(netdev); 9063cdedef59SAnirudh Venkataramanan 90646d599946STony Nguyen pi = vsi->port_info; 90652ccc1c1cSTony Nguyen err = ice_update_link_info(pi); 90662ccc1c1cSTony Nguyen if (err) { 90672ccc1c1cSTony Nguyen netdev_err(netdev, "Failed to get link info, error %d\n", err); 9068c1484691STony Nguyen return err; 90696d599946STony Nguyen } 90706d599946STony Nguyen 907199d40752SBrett Creeley ice_check_link_cfg_err(pf, pi->phy.link_info.link_cfg_err); 9072c77849f5SAnirudh Venkataramanan 90736d599946STony Nguyen /* Set PHY if there is media, otherwise, turn off PHY */ 90746d599946STony Nguyen if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) { 90751a3571b5SPaul Greenwalt clear_bit(ICE_FLAG_NO_MEDIA, pf->flags); 90767e408e07SAnirudh Venkataramanan if (!test_bit(ICE_PHY_INIT_COMPLETE, pf->state)) { 90771a3571b5SPaul Greenwalt err = ice_init_phy_user_cfg(pi); 90781a3571b5SPaul Greenwalt if (err) { 90791a3571b5SPaul Greenwalt netdev_err(netdev, "Failed to initialize PHY settings, error %d\n", 90801a3571b5SPaul Greenwalt err); 90811a3571b5SPaul Greenwalt return err; 90821a3571b5SPaul Greenwalt } 90831a3571b5SPaul Greenwalt } 90841a3571b5SPaul Greenwalt 90851a3571b5SPaul Greenwalt err = ice_configure_phy(vsi); 9086b6f934f0SBrett Creeley if (err) { 908719cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Failed to set physical link up, error %d\n", 90886d599946STony Nguyen err); 9089b6f934f0SBrett Creeley return err; 9090b6f934f0SBrett Creeley } 90916d599946STony Nguyen } else { 90921a3571b5SPaul Greenwalt set_bit(ICE_FLAG_NO_MEDIA, pf->flags); 9093d348d517SAnirudh Venkataramanan ice_set_link(vsi, false); 90946d599946STony Nguyen } 9095cdedef59SAnirudh Venkataramanan 9096b6f934f0SBrett Creeley err = ice_vsi_open(vsi); 9097cdedef59SAnirudh Venkataramanan if (err) 9098cdedef59SAnirudh Venkataramanan netdev_err(netdev, "Failed to open VSI 0x%04X on switch 0x%04X\n", 9099cdedef59SAnirudh Venkataramanan vsi->vsi_num, vsi->vsw->sw_id); 9100a4e82a81STony Nguyen 9101a4e82a81STony Nguyen /* Update existing tunnels information */ 9102a4e82a81STony Nguyen udp_tunnel_get_rx_info(netdev); 9103a4e82a81STony Nguyen 9104cdedef59SAnirudh Venkataramanan return err; 9105cdedef59SAnirudh Venkataramanan } 9106cdedef59SAnirudh Venkataramanan 9107cdedef59SAnirudh Venkataramanan /** 9108cdedef59SAnirudh Venkataramanan * ice_stop - Disables a network interface 9109cdedef59SAnirudh Venkataramanan * @netdev: network interface device structure 9110cdedef59SAnirudh Venkataramanan * 9111cdedef59SAnirudh Venkataramanan * The stop entry point is called when an interface is de-activated by the OS, 9112cdedef59SAnirudh Venkataramanan * and the netdevice enters the DOWN state. The hardware is still under the 9113cdedef59SAnirudh Venkataramanan * driver's control, but the netdev interface is disabled. 9114cdedef59SAnirudh Venkataramanan * 9115cdedef59SAnirudh Venkataramanan * Returns success only - not allowed to fail 9116cdedef59SAnirudh Venkataramanan */ 91170e674aebSAnirudh Venkataramanan int ice_stop(struct net_device *netdev) 9118cdedef59SAnirudh Venkataramanan { 9119cdedef59SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 9120cdedef59SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 9121e95fc857SKrzysztof Goreczny struct ice_pf *pf = vsi->back; 9122e95fc857SKrzysztof Goreczny 9123e95fc857SKrzysztof Goreczny if (ice_is_reset_in_progress(pf->state)) { 9124e95fc857SKrzysztof Goreczny netdev_err(netdev, "can't stop net device while reset is in progress"); 9125e95fc857SKrzysztof Goreczny return -EBUSY; 9126e95fc857SKrzysztof Goreczny } 9127cdedef59SAnirudh Venkataramanan 91288ac71327SMateusz Palczewski if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags)) { 91298ac71327SMateusz Palczewski int link_err = ice_force_phys_link_state(vsi, false); 91308ac71327SMateusz Palczewski 91318ac71327SMateusz Palczewski if (link_err) { 91328ac71327SMateusz Palczewski netdev_err(vsi->netdev, "Failed to set physical link down, VSI %d error %d\n", 91338ac71327SMateusz Palczewski vsi->vsi_num, link_err); 91348ac71327SMateusz Palczewski return -EIO; 91358ac71327SMateusz Palczewski } 91368ac71327SMateusz Palczewski } 91378ac71327SMateusz Palczewski 9138cdedef59SAnirudh Venkataramanan ice_vsi_close(vsi); 9139cdedef59SAnirudh Venkataramanan 9140cdedef59SAnirudh Venkataramanan return 0; 9141cdedef59SAnirudh Venkataramanan } 9142cdedef59SAnirudh Venkataramanan 9143e94d4478SAnirudh Venkataramanan /** 9144e94d4478SAnirudh Venkataramanan * ice_features_check - Validate encapsulated packet conforms to limits 9145e94d4478SAnirudh Venkataramanan * @skb: skb buffer 9146e94d4478SAnirudh Venkataramanan * @netdev: This port's netdev 9147e94d4478SAnirudh Venkataramanan * @features: Offload features that the stack believes apply 9148e94d4478SAnirudh Venkataramanan */ 9149e94d4478SAnirudh Venkataramanan static netdev_features_t 9150e94d4478SAnirudh Venkataramanan ice_features_check(struct sk_buff *skb, 9151e94d4478SAnirudh Venkataramanan struct net_device __always_unused *netdev, 9152e94d4478SAnirudh Venkataramanan netdev_features_t features) 9153e94d4478SAnirudh Venkataramanan { 915446b699c5SJesse Brandeburg bool gso = skb_is_gso(skb); 9155e94d4478SAnirudh Venkataramanan size_t len; 9156e94d4478SAnirudh Venkataramanan 9157e94d4478SAnirudh Venkataramanan /* No point in doing any of this if neither checksum nor GSO are 9158e94d4478SAnirudh Venkataramanan * being requested for this frame. We can rule out both by just 9159e94d4478SAnirudh Venkataramanan * checking for CHECKSUM_PARTIAL 9160e94d4478SAnirudh Venkataramanan */ 9161e94d4478SAnirudh Venkataramanan if (skb->ip_summed != CHECKSUM_PARTIAL) 9162e94d4478SAnirudh Venkataramanan return features; 9163e94d4478SAnirudh Venkataramanan 9164e94d4478SAnirudh Venkataramanan /* We cannot support GSO if the MSS is going to be less than 9165e94d4478SAnirudh Venkataramanan * 64 bytes. If it is then we need to drop support for GSO. 9166e94d4478SAnirudh Venkataramanan */ 916746b699c5SJesse Brandeburg if (gso && (skb_shinfo(skb)->gso_size < ICE_TXD_CTX_MIN_MSS)) 9168e94d4478SAnirudh Venkataramanan features &= ~NETIF_F_GSO_MASK; 9169e94d4478SAnirudh Venkataramanan 917046b699c5SJesse Brandeburg len = skb_network_offset(skb); 9171a4e82a81STony Nguyen if (len > ICE_TXD_MACLEN_MAX || len & 0x1) 9172e94d4478SAnirudh Venkataramanan goto out_rm_features; 9173e94d4478SAnirudh Venkataramanan 917446b699c5SJesse Brandeburg len = skb_network_header_len(skb); 9175a4e82a81STony Nguyen if (len > ICE_TXD_IPLEN_MAX || len & 0x1) 9176e94d4478SAnirudh Venkataramanan goto out_rm_features; 9177e94d4478SAnirudh Venkataramanan 9178e94d4478SAnirudh Venkataramanan if (skb->encapsulation) { 917946b699c5SJesse Brandeburg /* this must work for VXLAN frames AND IPIP/SIT frames, and in 918046b699c5SJesse Brandeburg * the case of IPIP frames, the transport header pointer is 918146b699c5SJesse Brandeburg * after the inner header! So check to make sure that this 918246b699c5SJesse Brandeburg * is a GRE or UDP_TUNNEL frame before doing that math. 918346b699c5SJesse Brandeburg */ 918446b699c5SJesse Brandeburg if (gso && (skb_shinfo(skb)->gso_type & 918546b699c5SJesse Brandeburg (SKB_GSO_GRE | SKB_GSO_UDP_TUNNEL))) { 918646b699c5SJesse Brandeburg len = skb_inner_network_header(skb) - 918746b699c5SJesse Brandeburg skb_transport_header(skb); 9188a4e82a81STony Nguyen if (len > ICE_TXD_L4LEN_MAX || len & 0x1) 9189e94d4478SAnirudh Venkataramanan goto out_rm_features; 919046b699c5SJesse Brandeburg } 9191e94d4478SAnirudh Venkataramanan 919246b699c5SJesse Brandeburg len = skb_inner_network_header_len(skb); 9193a4e82a81STony Nguyen if (len > ICE_TXD_IPLEN_MAX || len & 0x1) 9194e94d4478SAnirudh Venkataramanan goto out_rm_features; 9195e94d4478SAnirudh Venkataramanan } 9196e94d4478SAnirudh Venkataramanan 9197e94d4478SAnirudh Venkataramanan return features; 9198e94d4478SAnirudh Venkataramanan out_rm_features: 9199e94d4478SAnirudh Venkataramanan return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); 9200e94d4478SAnirudh Venkataramanan } 9201e94d4478SAnirudh Venkataramanan 9202462acf6aSTony Nguyen static const struct net_device_ops ice_netdev_safe_mode_ops = { 9203462acf6aSTony Nguyen .ndo_open = ice_open, 9204462acf6aSTony Nguyen .ndo_stop = ice_stop, 9205462acf6aSTony Nguyen .ndo_start_xmit = ice_start_xmit, 9206462acf6aSTony Nguyen .ndo_set_mac_address = ice_set_mac_address, 9207462acf6aSTony Nguyen .ndo_validate_addr = eth_validate_addr, 9208462acf6aSTony Nguyen .ndo_change_mtu = ice_change_mtu, 9209462acf6aSTony Nguyen .ndo_get_stats64 = ice_get_stats64, 9210462acf6aSTony Nguyen .ndo_tx_timeout = ice_tx_timeout, 9211ebc5399eSMaciej Fijalkowski .ndo_bpf = ice_xdp_safe_mode, 9212462acf6aSTony Nguyen }; 9213462acf6aSTony Nguyen 9214cdedef59SAnirudh Venkataramanan static const struct net_device_ops ice_netdev_ops = { 9215cdedef59SAnirudh Venkataramanan .ndo_open = ice_open, 9216cdedef59SAnirudh Venkataramanan .ndo_stop = ice_stop, 92172b245cb2SAnirudh Venkataramanan .ndo_start_xmit = ice_start_xmit, 92182a87bd73SDave Ertman .ndo_select_queue = ice_select_queue, 9219e94d4478SAnirudh Venkataramanan .ndo_features_check = ice_features_check, 92201babaf77SBrett Creeley .ndo_fix_features = ice_fix_features, 9221e94d4478SAnirudh Venkataramanan .ndo_set_rx_mode = ice_set_rx_mode, 9222e94d4478SAnirudh Venkataramanan .ndo_set_mac_address = ice_set_mac_address, 9223e94d4478SAnirudh Venkataramanan .ndo_validate_addr = eth_validate_addr, 9224e94d4478SAnirudh Venkataramanan .ndo_change_mtu = ice_change_mtu, 9225fcea6f3dSAnirudh Venkataramanan .ndo_get_stats64 = ice_get_stats64, 92261ddef455SUsha Ketineni .ndo_set_tx_maxrate = ice_set_tx_maxrate, 9227a7605370SArnd Bergmann .ndo_eth_ioctl = ice_eth_ioctl, 92287c710869SAnirudh Venkataramanan .ndo_set_vf_spoofchk = ice_set_vf_spoofchk, 92297c710869SAnirudh Venkataramanan .ndo_set_vf_mac = ice_set_vf_mac, 92307c710869SAnirudh Venkataramanan .ndo_get_vf_config = ice_get_vf_cfg, 92317c710869SAnirudh Venkataramanan .ndo_set_vf_trust = ice_set_vf_trust, 92327c710869SAnirudh Venkataramanan .ndo_set_vf_vlan = ice_set_vf_port_vlan, 92337c710869SAnirudh Venkataramanan .ndo_set_vf_link_state = ice_set_vf_link_state, 9234730fdea4SJesse Brandeburg .ndo_get_vf_stats = ice_get_vf_stats, 92354ecc8633SBrett Creeley .ndo_set_vf_rate = ice_set_vf_bw, 9236d76a60baSAnirudh Venkataramanan .ndo_vlan_rx_add_vid = ice_vlan_rx_add_vid, 9237d76a60baSAnirudh Venkataramanan .ndo_vlan_rx_kill_vid = ice_vlan_rx_kill_vid, 92380d08a441SKiran Patil .ndo_setup_tc = ice_setup_tc, 9239d76a60baSAnirudh Venkataramanan .ndo_set_features = ice_set_features, 9240b1edc14aSMd Fahad Iqbal Polash .ndo_bridge_getlink = ice_bridge_getlink, 9241b1edc14aSMd Fahad Iqbal Polash .ndo_bridge_setlink = ice_bridge_setlink, 9242e94d4478SAnirudh Venkataramanan .ndo_fdb_add = ice_fdb_add, 9243e94d4478SAnirudh Venkataramanan .ndo_fdb_del = ice_fdb_del, 924428bf2672SBrett Creeley #ifdef CONFIG_RFS_ACCEL 924528bf2672SBrett Creeley .ndo_rx_flow_steer = ice_rx_flow_steer, 924628bf2672SBrett Creeley #endif 9247b3969fd7SSudheer Mogilappagari .ndo_tx_timeout = ice_tx_timeout, 9248efc2214bSMaciej Fijalkowski .ndo_bpf = ice_xdp, 9249efc2214bSMaciej Fijalkowski .ndo_xdp_xmit = ice_xdp_xmit, 92502d4238f5SKrzysztof Kazimierczak .ndo_xsk_wakeup = ice_xsk_wakeup, 9251cdedef59SAnirudh Venkataramanan }; 9252