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" 16837f08fdSAnirudh Venkataramanan 17837f08fdSAnirudh Venkataramanan #define DRV_SUMMARY "Intel(R) Ethernet Connection E800 Series Linux Driver" 18837f08fdSAnirudh Venkataramanan static const char ice_driver_string[] = DRV_SUMMARY; 19837f08fdSAnirudh Venkataramanan static const char ice_copyright[] = "Copyright (c) 2018, Intel Corporation."; 20837f08fdSAnirudh Venkataramanan 21462acf6aSTony Nguyen /* DDP Package file located in firmware search paths (e.g. /lib/firmware/) */ 22462acf6aSTony Nguyen #define ICE_DDP_PKG_PATH "intel/ice/ddp/" 23462acf6aSTony Nguyen #define ICE_DDP_PKG_FILE ICE_DDP_PKG_PATH "ice.pkg" 24462acf6aSTony Nguyen 25837f08fdSAnirudh Venkataramanan MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>"); 26837f08fdSAnirudh Venkataramanan MODULE_DESCRIPTION(DRV_SUMMARY); 2798674ebeSJesse Brandeburg MODULE_LICENSE("GPL v2"); 28462acf6aSTony Nguyen MODULE_FIRMWARE(ICE_DDP_PKG_FILE); 29837f08fdSAnirudh Venkataramanan 30837f08fdSAnirudh Venkataramanan static int debug = -1; 31837f08fdSAnirudh Venkataramanan module_param(debug, int, 0644); 327ec59eeaSAnirudh Venkataramanan #ifndef CONFIG_DYNAMIC_DEBUG 337ec59eeaSAnirudh Venkataramanan MODULE_PARM_DESC(debug, "netif level (0=none,...,16=all), hw debug_mask (0x8XXXXXXX)"); 347ec59eeaSAnirudh Venkataramanan #else 357ec59eeaSAnirudh Venkataramanan MODULE_PARM_DESC(debug, "netif level (0=none,...,16=all)"); 367ec59eeaSAnirudh Venkataramanan #endif /* !CONFIG_DYNAMIC_DEBUG */ 37837f08fdSAnirudh Venkataramanan 38940b61afSAnirudh Venkataramanan static struct workqueue_struct *ice_wq; 39462acf6aSTony Nguyen static const struct net_device_ops ice_netdev_safe_mode_ops; 40cdedef59SAnirudh Venkataramanan static const struct net_device_ops ice_netdev_ops; 4187324e74SHenry Tieman static int ice_vsi_open(struct ice_vsi *vsi); 42940b61afSAnirudh Venkataramanan 43462acf6aSTony Nguyen static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type); 4428c2a645SAnirudh Venkataramanan 450f9d5027SAnirudh Venkataramanan static void ice_vsi_release_all(struct ice_pf *pf); 463a858ba3SAnirudh Venkataramanan 47df006dd4SDave Ertman bool netif_is_ice(struct net_device *dev) 48df006dd4SDave Ertman { 49df006dd4SDave Ertman return dev && (dev->netdev_ops == &ice_netdev_ops); 50df006dd4SDave Ertman } 51df006dd4SDave Ertman 523a858ba3SAnirudh Venkataramanan /** 53b3969fd7SSudheer Mogilappagari * ice_get_tx_pending - returns number of Tx descriptors not processed 54b3969fd7SSudheer Mogilappagari * @ring: the ring of descriptors 55b3969fd7SSudheer Mogilappagari */ 56c1ddf1f5SBrett Creeley static u16 ice_get_tx_pending(struct ice_ring *ring) 57b3969fd7SSudheer Mogilappagari { 58c1ddf1f5SBrett Creeley u16 head, tail; 59b3969fd7SSudheer Mogilappagari 60b3969fd7SSudheer Mogilappagari head = ring->next_to_clean; 61c1ddf1f5SBrett Creeley tail = ring->next_to_use; 62b3969fd7SSudheer Mogilappagari 63b3969fd7SSudheer Mogilappagari if (head != tail) 64b3969fd7SSudheer Mogilappagari return (head < tail) ? 65b3969fd7SSudheer Mogilappagari tail - head : (tail + ring->count - head); 66b3969fd7SSudheer Mogilappagari return 0; 67b3969fd7SSudheer Mogilappagari } 68b3969fd7SSudheer Mogilappagari 69b3969fd7SSudheer Mogilappagari /** 70b3969fd7SSudheer Mogilappagari * ice_check_for_hang_subtask - check for and recover hung queues 71b3969fd7SSudheer Mogilappagari * @pf: pointer to PF struct 72b3969fd7SSudheer Mogilappagari */ 73b3969fd7SSudheer Mogilappagari static void ice_check_for_hang_subtask(struct ice_pf *pf) 74b3969fd7SSudheer Mogilappagari { 75b3969fd7SSudheer Mogilappagari struct ice_vsi *vsi = NULL; 76e89e899fSBrett Creeley struct ice_hw *hw; 77b3969fd7SSudheer Mogilappagari unsigned int i; 78b3969fd7SSudheer Mogilappagari int packets; 79e89e899fSBrett Creeley u32 v; 80b3969fd7SSudheer Mogilappagari 81b3969fd7SSudheer Mogilappagari ice_for_each_vsi(pf, v) 82b3969fd7SSudheer Mogilappagari if (pf->vsi[v] && pf->vsi[v]->type == ICE_VSI_PF) { 83b3969fd7SSudheer Mogilappagari vsi = pf->vsi[v]; 84b3969fd7SSudheer Mogilappagari break; 85b3969fd7SSudheer Mogilappagari } 86b3969fd7SSudheer Mogilappagari 87b3969fd7SSudheer Mogilappagari if (!vsi || test_bit(__ICE_DOWN, vsi->state)) 88b3969fd7SSudheer Mogilappagari return; 89b3969fd7SSudheer Mogilappagari 90b3969fd7SSudheer Mogilappagari if (!(vsi->netdev && netif_carrier_ok(vsi->netdev))) 91b3969fd7SSudheer Mogilappagari return; 92b3969fd7SSudheer Mogilappagari 93e89e899fSBrett Creeley hw = &vsi->back->hw; 94e89e899fSBrett Creeley 95b3969fd7SSudheer Mogilappagari for (i = 0; i < vsi->num_txq; i++) { 96b3969fd7SSudheer Mogilappagari struct ice_ring *tx_ring = vsi->tx_rings[i]; 97b3969fd7SSudheer Mogilappagari 98b3969fd7SSudheer Mogilappagari if (tx_ring && tx_ring->desc) { 99b3969fd7SSudheer Mogilappagari /* If packet counter has not changed the queue is 100b3969fd7SSudheer Mogilappagari * likely stalled, so force an interrupt for this 101b3969fd7SSudheer Mogilappagari * queue. 102b3969fd7SSudheer Mogilappagari * 103b3969fd7SSudheer Mogilappagari * prev_pkt would be negative if there was no 104b3969fd7SSudheer Mogilappagari * pending work. 105b3969fd7SSudheer Mogilappagari */ 106b3969fd7SSudheer Mogilappagari packets = tx_ring->stats.pkts & INT_MAX; 107b3969fd7SSudheer Mogilappagari if (tx_ring->tx_stats.prev_pkt == packets) { 108b3969fd7SSudheer Mogilappagari /* Trigger sw interrupt to revive the queue */ 109e89e899fSBrett Creeley ice_trigger_sw_intr(hw, tx_ring->q_vector); 110b3969fd7SSudheer Mogilappagari continue; 111b3969fd7SSudheer Mogilappagari } 112b3969fd7SSudheer Mogilappagari 113b3969fd7SSudheer Mogilappagari /* Memory barrier between read of packet count and call 114b3969fd7SSudheer Mogilappagari * to ice_get_tx_pending() 115b3969fd7SSudheer Mogilappagari */ 116b3969fd7SSudheer Mogilappagari smp_rmb(); 117b3969fd7SSudheer Mogilappagari tx_ring->tx_stats.prev_pkt = 118b3969fd7SSudheer Mogilappagari ice_get_tx_pending(tx_ring) ? packets : -1; 119b3969fd7SSudheer Mogilappagari } 120b3969fd7SSudheer Mogilappagari } 121b3969fd7SSudheer Mogilappagari } 122b3969fd7SSudheer Mogilappagari 123b3969fd7SSudheer Mogilappagari /** 124561f4379STony Nguyen * ice_init_mac_fltr - Set initial MAC filters 125561f4379STony Nguyen * @pf: board private structure 126561f4379STony Nguyen * 1272f2da36eSAnirudh Venkataramanan * Set initial set of MAC filters for PF VSI; configure filters for permanent 128561f4379STony Nguyen * address and broadcast address. If an error is encountered, netdevice will be 129561f4379STony Nguyen * unregistered. 130561f4379STony Nguyen */ 131561f4379STony Nguyen static int ice_init_mac_fltr(struct ice_pf *pf) 132561f4379STony Nguyen { 133bbb968e8SAkeem G Abodunrin enum ice_status status; 134561f4379STony Nguyen struct ice_vsi *vsi; 1351b8f15b6SMichal Swiatkowski u8 *perm_addr; 136561f4379STony Nguyen 137208ff751SAnirudh Venkataramanan vsi = ice_get_main_vsi(pf); 138561f4379STony Nguyen if (!vsi) 139561f4379STony Nguyen return -EINVAL; 140561f4379STony Nguyen 1411b8f15b6SMichal Swiatkowski perm_addr = vsi->port_info->mac.perm_addr; 1421b8f15b6SMichal Swiatkowski status = ice_fltr_add_mac_and_broadcast(vsi, perm_addr, ICE_FWD_TO_VSI); 1431b8f15b6SMichal Swiatkowski if (!status) 144bbb968e8SAkeem G Abodunrin return 0; 1451b8f15b6SMichal Swiatkowski 146561f4379STony Nguyen /* We aren't useful with no MAC filters, so unregister if we 147561f4379STony Nguyen * had an error 148561f4379STony Nguyen */ 14986a2e00dSBruce Allan if (vsi->netdev->reg_state == NETREG_REGISTERED) { 1500fee3577SLihong Yang dev_err(ice_pf_to_dev(pf), "Could not add MAC filters error %s. Unregistering device\n", 1510fee3577SLihong Yang ice_stat_str(status)); 152561f4379STony Nguyen unregister_netdev(vsi->netdev); 153561f4379STony Nguyen free_netdev(vsi->netdev); 154561f4379STony Nguyen vsi->netdev = NULL; 155561f4379STony Nguyen } 156561f4379STony Nguyen 157bbb968e8SAkeem G Abodunrin return -EIO; 158561f4379STony Nguyen } 159561f4379STony Nguyen 160561f4379STony Nguyen /** 161f9867df6SAnirudh Venkataramanan * ice_add_mac_to_sync_list - creates list of MAC addresses to be synced 162e94d4478SAnirudh Venkataramanan * @netdev: the net device on which the sync is happening 163f9867df6SAnirudh Venkataramanan * @addr: MAC address to sync 164e94d4478SAnirudh Venkataramanan * 165e94d4478SAnirudh Venkataramanan * This is a callback function which is called by the in kernel device sync 166e94d4478SAnirudh Venkataramanan * functions (like __dev_uc_sync, __dev_mc_sync, etc). This function only 167e94d4478SAnirudh Venkataramanan * populates the tmp_sync_list, which is later used by ice_add_mac to add the 168f9867df6SAnirudh Venkataramanan * MAC filters from the hardware. 169e94d4478SAnirudh Venkataramanan */ 170e94d4478SAnirudh Venkataramanan static int ice_add_mac_to_sync_list(struct net_device *netdev, const u8 *addr) 171e94d4478SAnirudh Venkataramanan { 172e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 173e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 174e94d4478SAnirudh Venkataramanan 1751b8f15b6SMichal Swiatkowski if (ice_fltr_add_mac_to_list(vsi, &vsi->tmp_sync_list, addr, 1761b8f15b6SMichal Swiatkowski ICE_FWD_TO_VSI)) 177e94d4478SAnirudh Venkataramanan return -EINVAL; 178e94d4478SAnirudh Venkataramanan 179e94d4478SAnirudh Venkataramanan return 0; 180e94d4478SAnirudh Venkataramanan } 181e94d4478SAnirudh Venkataramanan 182e94d4478SAnirudh Venkataramanan /** 183f9867df6SAnirudh Venkataramanan * ice_add_mac_to_unsync_list - creates list of MAC addresses to be unsynced 184e94d4478SAnirudh Venkataramanan * @netdev: the net device on which the unsync is happening 185f9867df6SAnirudh Venkataramanan * @addr: MAC address to unsync 186e94d4478SAnirudh Venkataramanan * 187e94d4478SAnirudh Venkataramanan * This is a callback function which is called by the in kernel device unsync 188e94d4478SAnirudh Venkataramanan * functions (like __dev_uc_unsync, __dev_mc_unsync, etc). This function only 189e94d4478SAnirudh Venkataramanan * populates the tmp_unsync_list, which is later used by ice_remove_mac to 190f9867df6SAnirudh Venkataramanan * delete the MAC filters from the hardware. 191e94d4478SAnirudh Venkataramanan */ 192e94d4478SAnirudh Venkataramanan static int ice_add_mac_to_unsync_list(struct net_device *netdev, const u8 *addr) 193e94d4478SAnirudh Venkataramanan { 194e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 195e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 196e94d4478SAnirudh Venkataramanan 1971b8f15b6SMichal Swiatkowski if (ice_fltr_add_mac_to_list(vsi, &vsi->tmp_unsync_list, addr, 1981b8f15b6SMichal Swiatkowski ICE_FWD_TO_VSI)) 199e94d4478SAnirudh Venkataramanan return -EINVAL; 200e94d4478SAnirudh Venkataramanan 201e94d4478SAnirudh Venkataramanan return 0; 202e94d4478SAnirudh Venkataramanan } 203e94d4478SAnirudh Venkataramanan 204e94d4478SAnirudh Venkataramanan /** 205e94d4478SAnirudh Venkataramanan * ice_vsi_fltr_changed - check if filter state changed 206e94d4478SAnirudh Venkataramanan * @vsi: VSI to be checked 207e94d4478SAnirudh Venkataramanan * 208e94d4478SAnirudh Venkataramanan * returns true if filter state has changed, false otherwise. 209e94d4478SAnirudh Venkataramanan */ 210e94d4478SAnirudh Venkataramanan static bool ice_vsi_fltr_changed(struct ice_vsi *vsi) 211e94d4478SAnirudh Venkataramanan { 212e94d4478SAnirudh Venkataramanan return test_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags) || 213e94d4478SAnirudh Venkataramanan test_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags) || 214e94d4478SAnirudh Venkataramanan test_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags); 215e94d4478SAnirudh Venkataramanan } 216e94d4478SAnirudh Venkataramanan 217e94d4478SAnirudh Venkataramanan /** 2185eda8afdSAkeem G Abodunrin * ice_cfg_promisc - Enable or disable promiscuous mode for a given PF 2195eda8afdSAkeem G Abodunrin * @vsi: the VSI being configured 2205eda8afdSAkeem G Abodunrin * @promisc_m: mask of promiscuous config bits 2215eda8afdSAkeem G Abodunrin * @set_promisc: enable or disable promisc flag request 2225eda8afdSAkeem G Abodunrin * 2235eda8afdSAkeem G Abodunrin */ 2245eda8afdSAkeem G Abodunrin static int ice_cfg_promisc(struct ice_vsi *vsi, u8 promisc_m, bool set_promisc) 2255eda8afdSAkeem G Abodunrin { 2265eda8afdSAkeem G Abodunrin struct ice_hw *hw = &vsi->back->hw; 2275eda8afdSAkeem G Abodunrin enum ice_status status = 0; 2285eda8afdSAkeem G Abodunrin 2295eda8afdSAkeem G Abodunrin if (vsi->type != ICE_VSI_PF) 2305eda8afdSAkeem G Abodunrin return 0; 2315eda8afdSAkeem G Abodunrin 232bcf68ea1SNick Nunley if (vsi->num_vlan > 1) { 2335eda8afdSAkeem G Abodunrin status = ice_set_vlan_vsi_promisc(hw, vsi->idx, promisc_m, 2345eda8afdSAkeem G Abodunrin set_promisc); 2355eda8afdSAkeem G Abodunrin } else { 2365eda8afdSAkeem G Abodunrin if (set_promisc) 2375eda8afdSAkeem G Abodunrin status = ice_set_vsi_promisc(hw, vsi->idx, promisc_m, 2385eda8afdSAkeem G Abodunrin 0); 2395eda8afdSAkeem G Abodunrin else 2405eda8afdSAkeem G Abodunrin status = ice_clear_vsi_promisc(hw, vsi->idx, promisc_m, 2415eda8afdSAkeem G Abodunrin 0); 2425eda8afdSAkeem G Abodunrin } 2435eda8afdSAkeem G Abodunrin 2445eda8afdSAkeem G Abodunrin if (status) 2455eda8afdSAkeem G Abodunrin return -EIO; 2465eda8afdSAkeem G Abodunrin 2475eda8afdSAkeem G Abodunrin return 0; 2485eda8afdSAkeem G Abodunrin } 2495eda8afdSAkeem G Abodunrin 2505eda8afdSAkeem G Abodunrin /** 251e94d4478SAnirudh Venkataramanan * ice_vsi_sync_fltr - Update the VSI filter list to the HW 252e94d4478SAnirudh Venkataramanan * @vsi: ptr to the VSI 253e94d4478SAnirudh Venkataramanan * 254e94d4478SAnirudh Venkataramanan * Push any outstanding VSI filter changes through the AdminQ. 255e94d4478SAnirudh Venkataramanan */ 256e94d4478SAnirudh Venkataramanan static int ice_vsi_sync_fltr(struct ice_vsi *vsi) 257e94d4478SAnirudh Venkataramanan { 2589a946843SAnirudh Venkataramanan struct device *dev = ice_pf_to_dev(vsi->back); 259e94d4478SAnirudh Venkataramanan struct net_device *netdev = vsi->netdev; 260e94d4478SAnirudh Venkataramanan bool promisc_forced_on = false; 261e94d4478SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 262e94d4478SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 263e94d4478SAnirudh Venkataramanan enum ice_status status = 0; 264e94d4478SAnirudh Venkataramanan u32 changed_flags = 0; 2655eda8afdSAkeem G Abodunrin u8 promisc_m; 266e94d4478SAnirudh Venkataramanan int err = 0; 267e94d4478SAnirudh Venkataramanan 268e94d4478SAnirudh Venkataramanan if (!vsi->netdev) 269e94d4478SAnirudh Venkataramanan return -EINVAL; 270e94d4478SAnirudh Venkataramanan 271e94d4478SAnirudh Venkataramanan while (test_and_set_bit(__ICE_CFG_BUSY, vsi->state)) 272e94d4478SAnirudh Venkataramanan usleep_range(1000, 2000); 273e94d4478SAnirudh Venkataramanan 274e94d4478SAnirudh Venkataramanan changed_flags = vsi->current_netdev_flags ^ vsi->netdev->flags; 275e94d4478SAnirudh Venkataramanan vsi->current_netdev_flags = vsi->netdev->flags; 276e94d4478SAnirudh Venkataramanan 277e94d4478SAnirudh Venkataramanan INIT_LIST_HEAD(&vsi->tmp_sync_list); 278e94d4478SAnirudh Venkataramanan INIT_LIST_HEAD(&vsi->tmp_unsync_list); 279e94d4478SAnirudh Venkataramanan 280e94d4478SAnirudh Venkataramanan if (ice_vsi_fltr_changed(vsi)) { 281e94d4478SAnirudh Venkataramanan clear_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags); 282e94d4478SAnirudh Venkataramanan clear_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags); 283e94d4478SAnirudh Venkataramanan clear_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags); 284e94d4478SAnirudh Venkataramanan 285e94d4478SAnirudh Venkataramanan /* grab the netdev's addr_list_lock */ 286e94d4478SAnirudh Venkataramanan netif_addr_lock_bh(netdev); 287e94d4478SAnirudh Venkataramanan __dev_uc_sync(netdev, ice_add_mac_to_sync_list, 288e94d4478SAnirudh Venkataramanan ice_add_mac_to_unsync_list); 289e94d4478SAnirudh Venkataramanan __dev_mc_sync(netdev, ice_add_mac_to_sync_list, 290e94d4478SAnirudh Venkataramanan ice_add_mac_to_unsync_list); 291e94d4478SAnirudh Venkataramanan /* our temp lists are populated. release lock */ 292e94d4478SAnirudh Venkataramanan netif_addr_unlock_bh(netdev); 293e94d4478SAnirudh Venkataramanan } 294e94d4478SAnirudh Venkataramanan 295f9867df6SAnirudh Venkataramanan /* Remove MAC addresses in the unsync list */ 2961b8f15b6SMichal Swiatkowski status = ice_fltr_remove_mac_list(vsi, &vsi->tmp_unsync_list); 2971b8f15b6SMichal Swiatkowski ice_fltr_free_list(dev, &vsi->tmp_unsync_list); 298e94d4478SAnirudh Venkataramanan if (status) { 299e94d4478SAnirudh Venkataramanan netdev_err(netdev, "Failed to delete MAC filters\n"); 300e94d4478SAnirudh Venkataramanan /* if we failed because of alloc failures, just bail */ 301e94d4478SAnirudh Venkataramanan if (status == ICE_ERR_NO_MEMORY) { 302e94d4478SAnirudh Venkataramanan err = -ENOMEM; 303e94d4478SAnirudh Venkataramanan goto out; 304e94d4478SAnirudh Venkataramanan } 305e94d4478SAnirudh Venkataramanan } 306e94d4478SAnirudh Venkataramanan 307f9867df6SAnirudh Venkataramanan /* Add MAC addresses in the sync list */ 3081b8f15b6SMichal Swiatkowski status = ice_fltr_add_mac_list(vsi, &vsi->tmp_sync_list); 3091b8f15b6SMichal Swiatkowski ice_fltr_free_list(dev, &vsi->tmp_sync_list); 31089f3e4a5SPreethi Banala /* If filter is added successfully or already exists, do not go into 31189f3e4a5SPreethi Banala * 'if' condition and report it as error. Instead continue processing 31289f3e4a5SPreethi Banala * rest of the function. 31389f3e4a5SPreethi Banala */ 31489f3e4a5SPreethi Banala if (status && status != ICE_ERR_ALREADY_EXISTS) { 315e94d4478SAnirudh Venkataramanan netdev_err(netdev, "Failed to add MAC filters\n"); 316f9867df6SAnirudh Venkataramanan /* If there is no more space for new umac filters, VSI 317e94d4478SAnirudh Venkataramanan * should go into promiscuous mode. There should be some 318e94d4478SAnirudh Venkataramanan * space reserved for promiscuous filters. 319e94d4478SAnirudh Venkataramanan */ 320e94d4478SAnirudh Venkataramanan if (hw->adminq.sq_last_status == ICE_AQ_RC_ENOSPC && 321e94d4478SAnirudh Venkataramanan !test_and_set_bit(__ICE_FLTR_OVERFLOW_PROMISC, 322e94d4478SAnirudh Venkataramanan vsi->state)) { 323e94d4478SAnirudh Venkataramanan promisc_forced_on = true; 32419cce2c6SAnirudh Venkataramanan netdev_warn(netdev, "Reached MAC filter limit, forcing promisc mode on VSI %d\n", 325e94d4478SAnirudh Venkataramanan vsi->vsi_num); 326e94d4478SAnirudh Venkataramanan } else { 327e94d4478SAnirudh Venkataramanan err = -EIO; 328e94d4478SAnirudh Venkataramanan goto out; 329e94d4478SAnirudh Venkataramanan } 330e94d4478SAnirudh Venkataramanan } 331e94d4478SAnirudh Venkataramanan /* check for changes in promiscuous modes */ 3325eda8afdSAkeem G Abodunrin if (changed_flags & IFF_ALLMULTI) { 3335eda8afdSAkeem G Abodunrin if (vsi->current_netdev_flags & IFF_ALLMULTI) { 334bcf68ea1SNick Nunley if (vsi->num_vlan > 1) 3355eda8afdSAkeem G Abodunrin promisc_m = ICE_MCAST_VLAN_PROMISC_BITS; 3365eda8afdSAkeem G Abodunrin else 3375eda8afdSAkeem G Abodunrin promisc_m = ICE_MCAST_PROMISC_BITS; 3385eda8afdSAkeem G Abodunrin 3395eda8afdSAkeem G Abodunrin err = ice_cfg_promisc(vsi, promisc_m, true); 3405eda8afdSAkeem G Abodunrin if (err) { 3415eda8afdSAkeem G Abodunrin netdev_err(netdev, "Error setting Multicast promiscuous mode on VSI %i\n", 3425eda8afdSAkeem G Abodunrin vsi->vsi_num); 3435eda8afdSAkeem G Abodunrin vsi->current_netdev_flags &= ~IFF_ALLMULTI; 3445eda8afdSAkeem G Abodunrin goto out_promisc; 3455eda8afdSAkeem G Abodunrin } 34692ace482SBruce Allan } else { 34792ace482SBruce Allan /* !(vsi->current_netdev_flags & IFF_ALLMULTI) */ 348bcf68ea1SNick Nunley if (vsi->num_vlan > 1) 3495eda8afdSAkeem G Abodunrin promisc_m = ICE_MCAST_VLAN_PROMISC_BITS; 3505eda8afdSAkeem G Abodunrin else 3515eda8afdSAkeem G Abodunrin promisc_m = ICE_MCAST_PROMISC_BITS; 3525eda8afdSAkeem G Abodunrin 3535eda8afdSAkeem G Abodunrin err = ice_cfg_promisc(vsi, promisc_m, false); 3545eda8afdSAkeem G Abodunrin if (err) { 3555eda8afdSAkeem G Abodunrin netdev_err(netdev, "Error clearing Multicast promiscuous mode on VSI %i\n", 3565eda8afdSAkeem G Abodunrin vsi->vsi_num); 3575eda8afdSAkeem G Abodunrin vsi->current_netdev_flags |= IFF_ALLMULTI; 3585eda8afdSAkeem G Abodunrin goto out_promisc; 3595eda8afdSAkeem G Abodunrin } 3605eda8afdSAkeem G Abodunrin } 3615eda8afdSAkeem G Abodunrin } 362e94d4478SAnirudh Venkataramanan 363e94d4478SAnirudh Venkataramanan if (((changed_flags & IFF_PROMISC) || promisc_forced_on) || 364e94d4478SAnirudh Venkataramanan test_bit(ICE_VSI_FLAG_PROMISC_CHANGED, vsi->flags)) { 365e94d4478SAnirudh Venkataramanan clear_bit(ICE_VSI_FLAG_PROMISC_CHANGED, vsi->flags); 366e94d4478SAnirudh Venkataramanan if (vsi->current_netdev_flags & IFF_PROMISC) { 367f9867df6SAnirudh Venkataramanan /* Apply Rx filter rule to get traffic from wire */ 368fc0f39bcSBrett Creeley if (!ice_is_dflt_vsi_in_use(pf->first_sw)) { 369fc0f39bcSBrett Creeley err = ice_set_dflt_vsi(pf->first_sw, vsi); 370fc0f39bcSBrett Creeley if (err && err != -EEXIST) { 37119cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Error %d setting default VSI %i Rx rule\n", 372fc0f39bcSBrett Creeley err, vsi->vsi_num); 373fc0f39bcSBrett Creeley vsi->current_netdev_flags &= 374fc0f39bcSBrett Creeley ~IFF_PROMISC; 375e94d4478SAnirudh Venkataramanan goto out_promisc; 376e94d4478SAnirudh Venkataramanan } 37768d210a6SNick Nunley ice_cfg_vlan_pruning(vsi, false, false); 378fc0f39bcSBrett Creeley } 379e94d4478SAnirudh Venkataramanan } else { 380f9867df6SAnirudh Venkataramanan /* Clear Rx filter to remove traffic from wire */ 381fc0f39bcSBrett Creeley if (ice_is_vsi_dflt_vsi(pf->first_sw, vsi)) { 382fc0f39bcSBrett Creeley err = ice_clear_dflt_vsi(pf->first_sw); 383fc0f39bcSBrett Creeley if (err) { 38419cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Error %d clearing default VSI %i Rx rule\n", 385fc0f39bcSBrett Creeley err, vsi->vsi_num); 386fc0f39bcSBrett Creeley vsi->current_netdev_flags |= 387fc0f39bcSBrett Creeley IFF_PROMISC; 388e94d4478SAnirudh Venkataramanan goto out_promisc; 389e94d4478SAnirudh Venkataramanan } 39068d210a6SNick Nunley if (vsi->num_vlan > 1) 39168d210a6SNick Nunley ice_cfg_vlan_pruning(vsi, true, false); 392e94d4478SAnirudh Venkataramanan } 393e94d4478SAnirudh Venkataramanan } 394fc0f39bcSBrett Creeley } 395e94d4478SAnirudh Venkataramanan goto exit; 396e94d4478SAnirudh Venkataramanan 397e94d4478SAnirudh Venkataramanan out_promisc: 398e94d4478SAnirudh Venkataramanan set_bit(ICE_VSI_FLAG_PROMISC_CHANGED, vsi->flags); 399e94d4478SAnirudh Venkataramanan goto exit; 400e94d4478SAnirudh Venkataramanan out: 401e94d4478SAnirudh Venkataramanan /* if something went wrong then set the changed flag so we try again */ 402e94d4478SAnirudh Venkataramanan set_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags); 403e94d4478SAnirudh Venkataramanan set_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags); 404e94d4478SAnirudh Venkataramanan exit: 405e94d4478SAnirudh Venkataramanan clear_bit(__ICE_CFG_BUSY, vsi->state); 406e94d4478SAnirudh Venkataramanan return err; 407e94d4478SAnirudh Venkataramanan } 408e94d4478SAnirudh Venkataramanan 409e94d4478SAnirudh Venkataramanan /** 410e94d4478SAnirudh Venkataramanan * ice_sync_fltr_subtask - Sync the VSI filter list with HW 411e94d4478SAnirudh Venkataramanan * @pf: board private structure 412e94d4478SAnirudh Venkataramanan */ 413e94d4478SAnirudh Venkataramanan static void ice_sync_fltr_subtask(struct ice_pf *pf) 414e94d4478SAnirudh Venkataramanan { 415e94d4478SAnirudh Venkataramanan int v; 416e94d4478SAnirudh Venkataramanan 417e94d4478SAnirudh Venkataramanan if (!pf || !(test_bit(ICE_FLAG_FLTR_SYNC, pf->flags))) 418e94d4478SAnirudh Venkataramanan return; 419e94d4478SAnirudh Venkataramanan 420e94d4478SAnirudh Venkataramanan clear_bit(ICE_FLAG_FLTR_SYNC, pf->flags); 421e94d4478SAnirudh Venkataramanan 42280ed404aSBrett Creeley ice_for_each_vsi(pf, v) 423e94d4478SAnirudh Venkataramanan if (pf->vsi[v] && ice_vsi_fltr_changed(pf->vsi[v]) && 424e94d4478SAnirudh Venkataramanan ice_vsi_sync_fltr(pf->vsi[v])) { 425e94d4478SAnirudh Venkataramanan /* come back and try again later */ 426e94d4478SAnirudh Venkataramanan set_bit(ICE_FLAG_FLTR_SYNC, pf->flags); 427e94d4478SAnirudh Venkataramanan break; 428e94d4478SAnirudh Venkataramanan } 429e94d4478SAnirudh Venkataramanan } 430e94d4478SAnirudh Venkataramanan 431e94d4478SAnirudh Venkataramanan /** 4327b9ffc76SAnirudh Venkataramanan * ice_pf_dis_all_vsi - Pause all VSIs on a PF 4337b9ffc76SAnirudh Venkataramanan * @pf: the PF 4347b9ffc76SAnirudh Venkataramanan * @locked: is the rtnl_lock already held 4357b9ffc76SAnirudh Venkataramanan */ 4367b9ffc76SAnirudh Venkataramanan static void ice_pf_dis_all_vsi(struct ice_pf *pf, bool locked) 4377b9ffc76SAnirudh Venkataramanan { 438b126bd6bSKiran Patil int node; 4397b9ffc76SAnirudh Venkataramanan int v; 4407b9ffc76SAnirudh Venkataramanan 4417b9ffc76SAnirudh Venkataramanan ice_for_each_vsi(pf, v) 4427b9ffc76SAnirudh Venkataramanan if (pf->vsi[v]) 4437b9ffc76SAnirudh Venkataramanan ice_dis_vsi(pf->vsi[v], locked); 444b126bd6bSKiran Patil 445b126bd6bSKiran Patil for (node = 0; node < ICE_MAX_PF_AGG_NODES; node++) 446b126bd6bSKiran Patil pf->pf_agg_node[node].num_vsis = 0; 447b126bd6bSKiran Patil 448b126bd6bSKiran Patil for (node = 0; node < ICE_MAX_VF_AGG_NODES; node++) 449b126bd6bSKiran Patil pf->vf_agg_node[node].num_vsis = 0; 450b126bd6bSKiran Patil 4517b9ffc76SAnirudh Venkataramanan } 4527b9ffc76SAnirudh Venkataramanan 4537b9ffc76SAnirudh Venkataramanan /** 4540b28b702SAnirudh Venkataramanan * ice_prepare_for_reset - prep for the core to reset 4550b28b702SAnirudh Venkataramanan * @pf: board private structure 4560b28b702SAnirudh Venkataramanan * 4570b28b702SAnirudh Venkataramanan * Inform or close all dependent features in prep for reset. 4580b28b702SAnirudh Venkataramanan */ 4590b28b702SAnirudh Venkataramanan static void 4600b28b702SAnirudh Venkataramanan ice_prepare_for_reset(struct ice_pf *pf) 4610b28b702SAnirudh Venkataramanan { 4620b28b702SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 463c1e08830SJesse Brandeburg unsigned int i; 4640b28b702SAnirudh Venkataramanan 4655abac9d7SBrett Creeley /* already prepared for reset */ 4665abac9d7SBrett Creeley if (test_bit(__ICE_PREPARED_FOR_RESET, pf->state)) 4675abac9d7SBrett Creeley return; 4685abac9d7SBrett Creeley 469007676b4SAnirudh Venkataramanan /* Notify VFs of impending reset */ 470007676b4SAnirudh Venkataramanan if (ice_check_sq_alive(hw, &hw->mailboxq)) 471007676b4SAnirudh Venkataramanan ice_vc_notify_reset(pf); 472007676b4SAnirudh Venkataramanan 473c7aeb4d1SAkeem G Abodunrin /* Disable VFs until reset is completed */ 474005881bcSBrett Creeley ice_for_each_vf(pf, i) 47577ca27c4SPaul Greenwalt ice_set_vf_state_qs_dis(&pf->vf[i]); 476c7aeb4d1SAkeem G Abodunrin 477462acf6aSTony Nguyen /* clear SW filtering DB */ 478462acf6aSTony Nguyen ice_clear_hw_tbls(hw); 4790b28b702SAnirudh Venkataramanan /* disable the VSIs and their queues that are not already DOWN */ 4807b9ffc76SAnirudh Venkataramanan ice_pf_dis_all_vsi(pf, false); 4810b28b702SAnirudh Venkataramanan 482c5a2a4a3SUsha Ketineni if (hw->port_info) 483c5a2a4a3SUsha Ketineni ice_sched_clear_port(hw->port_info); 484c5a2a4a3SUsha Ketineni 4850b28b702SAnirudh Venkataramanan ice_shutdown_all_ctrlq(hw); 4860f9d5027SAnirudh Venkataramanan 4870f9d5027SAnirudh Venkataramanan set_bit(__ICE_PREPARED_FOR_RESET, pf->state); 4880b28b702SAnirudh Venkataramanan } 4890b28b702SAnirudh Venkataramanan 4900b28b702SAnirudh Venkataramanan /** 4910b28b702SAnirudh Venkataramanan * ice_do_reset - Initiate one of many types of resets 4920b28b702SAnirudh Venkataramanan * @pf: board private structure 4930b28b702SAnirudh Venkataramanan * @reset_type: reset type requested 4940b28b702SAnirudh Venkataramanan * before this function was called. 4950b28b702SAnirudh Venkataramanan */ 4960b28b702SAnirudh Venkataramanan static void ice_do_reset(struct ice_pf *pf, enum ice_reset_req reset_type) 4970b28b702SAnirudh Venkataramanan { 4984015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 4990b28b702SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 5000b28b702SAnirudh Venkataramanan 5010b28b702SAnirudh Venkataramanan dev_dbg(dev, "reset_type 0x%x requested\n", reset_type); 5020b28b702SAnirudh Venkataramanan 5030b28b702SAnirudh Venkataramanan ice_prepare_for_reset(pf); 5040b28b702SAnirudh Venkataramanan 5050b28b702SAnirudh Venkataramanan /* trigger the reset */ 5060b28b702SAnirudh Venkataramanan if (ice_reset(hw, reset_type)) { 5070b28b702SAnirudh Venkataramanan dev_err(dev, "reset %d failed\n", reset_type); 5080b28b702SAnirudh Venkataramanan set_bit(__ICE_RESET_FAILED, pf->state); 5095df7e45dSDave Ertman clear_bit(__ICE_RESET_OICR_RECV, pf->state); 5100f9d5027SAnirudh Venkataramanan clear_bit(__ICE_PREPARED_FOR_RESET, pf->state); 5115df7e45dSDave Ertman clear_bit(__ICE_PFR_REQ, pf->state); 5125df7e45dSDave Ertman clear_bit(__ICE_CORER_REQ, pf->state); 5135df7e45dSDave Ertman clear_bit(__ICE_GLOBR_REQ, pf->state); 5140b28b702SAnirudh Venkataramanan return; 5150b28b702SAnirudh Venkataramanan } 5160b28b702SAnirudh Venkataramanan 5170f9d5027SAnirudh Venkataramanan /* PFR is a bit of a special case because it doesn't result in an OICR 5180f9d5027SAnirudh Venkataramanan * interrupt. So for PFR, rebuild after the reset and clear the reset- 5190f9d5027SAnirudh Venkataramanan * associated state bits. 5200f9d5027SAnirudh Venkataramanan */ 5210b28b702SAnirudh Venkataramanan if (reset_type == ICE_RESET_PFR) { 5220b28b702SAnirudh Venkataramanan pf->pfr_count++; 523462acf6aSTony Nguyen ice_rebuild(pf, reset_type); 5240f9d5027SAnirudh Venkataramanan clear_bit(__ICE_PREPARED_FOR_RESET, pf->state); 5255df7e45dSDave Ertman clear_bit(__ICE_PFR_REQ, pf->state); 5261c44e3bcSAkeem G Abodunrin ice_reset_all_vfs(pf, true); 5270b28b702SAnirudh Venkataramanan } 5280b28b702SAnirudh Venkataramanan } 5290b28b702SAnirudh Venkataramanan 5300b28b702SAnirudh Venkataramanan /** 5310b28b702SAnirudh Venkataramanan * ice_reset_subtask - Set up for resetting the device and driver 5320b28b702SAnirudh Venkataramanan * @pf: board private structure 5330b28b702SAnirudh Venkataramanan */ 5340b28b702SAnirudh Venkataramanan static void ice_reset_subtask(struct ice_pf *pf) 5350b28b702SAnirudh Venkataramanan { 5360f9d5027SAnirudh Venkataramanan enum ice_reset_req reset_type = ICE_RESET_INVAL; 5370b28b702SAnirudh Venkataramanan 5380b28b702SAnirudh Venkataramanan /* When a CORER/GLOBR/EMPR is about to happen, the hardware triggers an 5390f9d5027SAnirudh Venkataramanan * OICR interrupt. The OICR handler (ice_misc_intr) determines what type 5400f9d5027SAnirudh Venkataramanan * of reset is pending and sets bits in pf->state indicating the reset 5415df7e45dSDave Ertman * type and __ICE_RESET_OICR_RECV. So, if the latter bit is set 5420f9d5027SAnirudh Venkataramanan * prepare for pending reset if not already (for PF software-initiated 5430f9d5027SAnirudh Venkataramanan * global resets the software should already be prepared for it as 5440f9d5027SAnirudh Venkataramanan * indicated by __ICE_PREPARED_FOR_RESET; for global resets initiated 5450f9d5027SAnirudh Venkataramanan * by firmware or software on other PFs, that bit is not set so prepare 5460f9d5027SAnirudh Venkataramanan * for the reset now), poll for reset done, rebuild and return. 5470b28b702SAnirudh Venkataramanan */ 5485df7e45dSDave Ertman if (test_bit(__ICE_RESET_OICR_RECV, pf->state)) { 5492ebd4428SDave Ertman /* Perform the largest reset requested */ 5502ebd4428SDave Ertman if (test_and_clear_bit(__ICE_CORER_RECV, pf->state)) 5512ebd4428SDave Ertman reset_type = ICE_RESET_CORER; 5522ebd4428SDave Ertman if (test_and_clear_bit(__ICE_GLOBR_RECV, pf->state)) 5532ebd4428SDave Ertman reset_type = ICE_RESET_GLOBR; 55403af8406SAnirudh Venkataramanan if (test_and_clear_bit(__ICE_EMPR_RECV, pf->state)) 55503af8406SAnirudh Venkataramanan reset_type = ICE_RESET_EMPR; 5562ebd4428SDave Ertman /* return if no valid reset type requested */ 5572ebd4428SDave Ertman if (reset_type == ICE_RESET_INVAL) 5582ebd4428SDave Ertman return; 5590b28b702SAnirudh Venkataramanan ice_prepare_for_reset(pf); 5600b28b702SAnirudh Venkataramanan 5610b28b702SAnirudh Venkataramanan /* make sure we are ready to rebuild */ 562fd2a9817SAnirudh Venkataramanan if (ice_check_reset(&pf->hw)) { 5630b28b702SAnirudh Venkataramanan set_bit(__ICE_RESET_FAILED, pf->state); 564fd2a9817SAnirudh Venkataramanan } else { 565fd2a9817SAnirudh Venkataramanan /* done with reset. start rebuild */ 566fd2a9817SAnirudh Venkataramanan pf->hw.reset_ongoing = false; 567462acf6aSTony Nguyen ice_rebuild(pf, reset_type); 5680f9d5027SAnirudh Venkataramanan /* clear bit to resume normal operations, but 5690f9d5027SAnirudh Venkataramanan * ICE_NEEDS_RESTART bit is set in case rebuild failed 5700f9d5027SAnirudh Venkataramanan */ 5715df7e45dSDave Ertman clear_bit(__ICE_RESET_OICR_RECV, pf->state); 5720f9d5027SAnirudh Venkataramanan clear_bit(__ICE_PREPARED_FOR_RESET, pf->state); 5735df7e45dSDave Ertman clear_bit(__ICE_PFR_REQ, pf->state); 5745df7e45dSDave Ertman clear_bit(__ICE_CORER_REQ, pf->state); 5755df7e45dSDave Ertman clear_bit(__ICE_GLOBR_REQ, pf->state); 5761c44e3bcSAkeem G Abodunrin ice_reset_all_vfs(pf, true); 5770f9d5027SAnirudh Venkataramanan } 5780f9d5027SAnirudh Venkataramanan 5790f9d5027SAnirudh Venkataramanan return; 5800b28b702SAnirudh Venkataramanan } 5810b28b702SAnirudh Venkataramanan 5820b28b702SAnirudh Venkataramanan /* No pending resets to finish processing. Check for new resets */ 5835df7e45dSDave Ertman if (test_bit(__ICE_PFR_REQ, pf->state)) 5840f9d5027SAnirudh Venkataramanan reset_type = ICE_RESET_PFR; 5855df7e45dSDave Ertman if (test_bit(__ICE_CORER_REQ, pf->state)) 5860f9d5027SAnirudh Venkataramanan reset_type = ICE_RESET_CORER; 5875df7e45dSDave Ertman if (test_bit(__ICE_GLOBR_REQ, pf->state)) 5880b28b702SAnirudh Venkataramanan reset_type = ICE_RESET_GLOBR; 5890f9d5027SAnirudh Venkataramanan /* If no valid reset type requested just return */ 5900f9d5027SAnirudh Venkataramanan if (reset_type == ICE_RESET_INVAL) 5910f9d5027SAnirudh Venkataramanan return; 5920b28b702SAnirudh Venkataramanan 5930f9d5027SAnirudh Venkataramanan /* reset if not already down or busy */ 5940b28b702SAnirudh Venkataramanan if (!test_bit(__ICE_DOWN, pf->state) && 5950b28b702SAnirudh Venkataramanan !test_bit(__ICE_CFG_BUSY, pf->state)) { 5960b28b702SAnirudh Venkataramanan ice_do_reset(pf, reset_type); 5970b28b702SAnirudh Venkataramanan } 5980b28b702SAnirudh Venkataramanan } 5990b28b702SAnirudh Venkataramanan 6000b28b702SAnirudh Venkataramanan /** 6012e0ab37cSJesse Brandeburg * ice_print_topo_conflict - print topology conflict message 6022e0ab37cSJesse Brandeburg * @vsi: the VSI whose topology status is being checked 6032e0ab37cSJesse Brandeburg */ 6042e0ab37cSJesse Brandeburg static void ice_print_topo_conflict(struct ice_vsi *vsi) 6052e0ab37cSJesse Brandeburg { 6062e0ab37cSJesse Brandeburg switch (vsi->port_info->phy.link_info.topo_media_conflict) { 6072e0ab37cSJesse Brandeburg case ICE_AQ_LINK_TOPO_CONFLICT: 6082e0ab37cSJesse Brandeburg case ICE_AQ_LINK_MEDIA_CONFLICT: 6095878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNREACH_PRT: 6105878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNDRUTIL_PRT: 6115878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNDRUTIL_MEDIA: 6122e0ab37cSJesse Brandeburg netdev_info(vsi->netdev, "Possible mis-configuration of the Ethernet port detected, please use the Intel(R) Ethernet Port Configuration Tool application to address the issue.\n"); 6132e0ab37cSJesse Brandeburg break; 6145878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNSUPP_MEDIA: 6155878589dSPaul Greenwalt netdev_info(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"); 6165878589dSPaul Greenwalt break; 6172e0ab37cSJesse Brandeburg default: 6182e0ab37cSJesse Brandeburg break; 6192e0ab37cSJesse Brandeburg } 6202e0ab37cSJesse Brandeburg } 6212e0ab37cSJesse Brandeburg 6222e0ab37cSJesse Brandeburg /** 623cdedef59SAnirudh Venkataramanan * ice_print_link_msg - print link up or down message 624cdedef59SAnirudh Venkataramanan * @vsi: the VSI whose link status is being queried 625cdedef59SAnirudh Venkataramanan * @isup: boolean for if the link is now up or down 626cdedef59SAnirudh Venkataramanan */ 627fcea6f3dSAnirudh Venkataramanan void ice_print_link_msg(struct ice_vsi *vsi, bool isup) 628cdedef59SAnirudh Venkataramanan { 629f776b3acSPaul Greenwalt struct ice_aqc_get_phy_caps_data *caps; 6305ee30564SPaul Greenwalt const char *an_advertised; 631f776b3acSPaul Greenwalt enum ice_status status; 632f776b3acSPaul Greenwalt const char *fec_req; 633cdedef59SAnirudh Venkataramanan const char *speed; 634f776b3acSPaul Greenwalt const char *fec; 635cdedef59SAnirudh Venkataramanan const char *fc; 63643260988SJesse Brandeburg const char *an; 637cdedef59SAnirudh Venkataramanan 638c2a23e00SBrett Creeley if (!vsi) 639c2a23e00SBrett Creeley return; 640c2a23e00SBrett Creeley 641cdedef59SAnirudh Venkataramanan if (vsi->current_isup == isup) 642cdedef59SAnirudh Venkataramanan return; 643cdedef59SAnirudh Venkataramanan 644cdedef59SAnirudh Venkataramanan vsi->current_isup = isup; 645cdedef59SAnirudh Venkataramanan 646cdedef59SAnirudh Venkataramanan if (!isup) { 647cdedef59SAnirudh Venkataramanan netdev_info(vsi->netdev, "NIC Link is Down\n"); 648cdedef59SAnirudh Venkataramanan return; 649cdedef59SAnirudh Venkataramanan } 650cdedef59SAnirudh Venkataramanan 651cdedef59SAnirudh Venkataramanan switch (vsi->port_info->phy.link_info.link_speed) { 652072efdf8SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_100GB: 653072efdf8SAnirudh Venkataramanan speed = "100 G"; 654072efdf8SAnirudh Venkataramanan break; 655072efdf8SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_50GB: 656072efdf8SAnirudh Venkataramanan speed = "50 G"; 657072efdf8SAnirudh Venkataramanan break; 658cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_40GB: 659cdedef59SAnirudh Venkataramanan speed = "40 G"; 660cdedef59SAnirudh Venkataramanan break; 661cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_25GB: 662cdedef59SAnirudh Venkataramanan speed = "25 G"; 663cdedef59SAnirudh Venkataramanan break; 664cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_20GB: 665cdedef59SAnirudh Venkataramanan speed = "20 G"; 666cdedef59SAnirudh Venkataramanan break; 667cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_10GB: 668cdedef59SAnirudh Venkataramanan speed = "10 G"; 669cdedef59SAnirudh Venkataramanan break; 670cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_5GB: 671cdedef59SAnirudh Venkataramanan speed = "5 G"; 672cdedef59SAnirudh Venkataramanan break; 673cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_2500MB: 674cdedef59SAnirudh Venkataramanan speed = "2.5 G"; 675cdedef59SAnirudh Venkataramanan break; 676cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_1000MB: 677cdedef59SAnirudh Venkataramanan speed = "1 G"; 678cdedef59SAnirudh Venkataramanan break; 679cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_100MB: 680cdedef59SAnirudh Venkataramanan speed = "100 M"; 681cdedef59SAnirudh Venkataramanan break; 682cdedef59SAnirudh Venkataramanan default: 683cdedef59SAnirudh Venkataramanan speed = "Unknown "; 684cdedef59SAnirudh Venkataramanan break; 685cdedef59SAnirudh Venkataramanan } 686cdedef59SAnirudh Venkataramanan 687cdedef59SAnirudh Venkataramanan switch (vsi->port_info->fc.current_mode) { 688cdedef59SAnirudh Venkataramanan case ICE_FC_FULL: 6892f2da36eSAnirudh Venkataramanan fc = "Rx/Tx"; 690cdedef59SAnirudh Venkataramanan break; 691cdedef59SAnirudh Venkataramanan case ICE_FC_TX_PAUSE: 6922f2da36eSAnirudh Venkataramanan fc = "Tx"; 693cdedef59SAnirudh Venkataramanan break; 694cdedef59SAnirudh Venkataramanan case ICE_FC_RX_PAUSE: 6952f2da36eSAnirudh Venkataramanan fc = "Rx"; 696cdedef59SAnirudh Venkataramanan break; 697203a068aSBrett Creeley case ICE_FC_NONE: 698203a068aSBrett Creeley fc = "None"; 699203a068aSBrett Creeley break; 700cdedef59SAnirudh Venkataramanan default: 701cdedef59SAnirudh Venkataramanan fc = "Unknown"; 702cdedef59SAnirudh Venkataramanan break; 703cdedef59SAnirudh Venkataramanan } 704cdedef59SAnirudh Venkataramanan 705f776b3acSPaul Greenwalt /* Get FEC mode based on negotiated link info */ 706f776b3acSPaul Greenwalt switch (vsi->port_info->phy.link_info.fec_info) { 707f776b3acSPaul Greenwalt case ICE_AQ_LINK_25G_RS_528_FEC_EN: 708f776b3acSPaul Greenwalt case ICE_AQ_LINK_25G_RS_544_FEC_EN: 709f776b3acSPaul Greenwalt fec = "RS-FEC"; 710f776b3acSPaul Greenwalt break; 711f776b3acSPaul Greenwalt case ICE_AQ_LINK_25G_KR_FEC_EN: 712f776b3acSPaul Greenwalt fec = "FC-FEC/BASE-R"; 713f776b3acSPaul Greenwalt break; 714f776b3acSPaul Greenwalt default: 715f776b3acSPaul Greenwalt fec = "NONE"; 716f776b3acSPaul Greenwalt break; 717f776b3acSPaul Greenwalt } 718f776b3acSPaul Greenwalt 71943260988SJesse Brandeburg /* check if autoneg completed, might be false due to not supported */ 72043260988SJesse Brandeburg if (vsi->port_info->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) 72143260988SJesse Brandeburg an = "True"; 72243260988SJesse Brandeburg else 72343260988SJesse Brandeburg an = "False"; 72443260988SJesse Brandeburg 725f776b3acSPaul Greenwalt /* Get FEC mode requested based on PHY caps last SW configuration */ 7269efe35d0STony Nguyen caps = kzalloc(sizeof(*caps), GFP_KERNEL); 727f776b3acSPaul Greenwalt if (!caps) { 728f776b3acSPaul Greenwalt fec_req = "Unknown"; 7295ee30564SPaul Greenwalt an_advertised = "Unknown"; 730f776b3acSPaul Greenwalt goto done; 731f776b3acSPaul Greenwalt } 732f776b3acSPaul Greenwalt 733f776b3acSPaul Greenwalt status = ice_aq_get_phy_caps(vsi->port_info, false, 734f776b3acSPaul Greenwalt ICE_AQC_REPORT_SW_CFG, caps, NULL); 735f776b3acSPaul Greenwalt if (status) 736f776b3acSPaul Greenwalt netdev_info(vsi->netdev, "Get phy capability failed.\n"); 737f776b3acSPaul Greenwalt 7385ee30564SPaul Greenwalt an_advertised = ice_is_phy_caps_an_enabled(caps) ? "On" : "Off"; 7395ee30564SPaul Greenwalt 740f776b3acSPaul Greenwalt if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 741f776b3acSPaul Greenwalt caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 742f776b3acSPaul Greenwalt fec_req = "RS-FEC"; 743f776b3acSPaul Greenwalt else if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 744f776b3acSPaul Greenwalt caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 745f776b3acSPaul Greenwalt fec_req = "FC-FEC/BASE-R"; 746f776b3acSPaul Greenwalt else 747f776b3acSPaul Greenwalt fec_req = "NONE"; 748f776b3acSPaul Greenwalt 7499efe35d0STony Nguyen kfree(caps); 750f776b3acSPaul Greenwalt 751f776b3acSPaul Greenwalt done: 7525ee30564SPaul 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", 7535ee30564SPaul Greenwalt speed, fec_req, fec, an_advertised, an, fc); 7542e0ab37cSJesse Brandeburg ice_print_topo_conflict(vsi); 755cdedef59SAnirudh Venkataramanan } 756cdedef59SAnirudh Venkataramanan 757cdedef59SAnirudh Venkataramanan /** 758f9867df6SAnirudh Venkataramanan * ice_vsi_link_event - update the VSI's netdev 759f9867df6SAnirudh Venkataramanan * @vsi: the VSI on which the link event occurred 760f9867df6SAnirudh Venkataramanan * @link_up: whether or not the VSI needs to be set up or down 7610b28b702SAnirudh Venkataramanan */ 7620b28b702SAnirudh Venkataramanan static void ice_vsi_link_event(struct ice_vsi *vsi, bool link_up) 7630b28b702SAnirudh Venkataramanan { 764c2a23e00SBrett Creeley if (!vsi) 765c2a23e00SBrett Creeley return; 766c2a23e00SBrett Creeley 767c2a23e00SBrett Creeley if (test_bit(__ICE_DOWN, vsi->state) || !vsi->netdev) 7680b28b702SAnirudh Venkataramanan return; 7690b28b702SAnirudh Venkataramanan 7700b28b702SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF) { 771c2a23e00SBrett Creeley if (link_up == netif_carrier_ok(vsi->netdev)) 7720b28b702SAnirudh Venkataramanan return; 773c2a23e00SBrett Creeley 7740b28b702SAnirudh Venkataramanan if (link_up) { 7750b28b702SAnirudh Venkataramanan netif_carrier_on(vsi->netdev); 7760b28b702SAnirudh Venkataramanan netif_tx_wake_all_queues(vsi->netdev); 7770b28b702SAnirudh Venkataramanan } else { 7780b28b702SAnirudh Venkataramanan netif_carrier_off(vsi->netdev); 7790b28b702SAnirudh Venkataramanan netif_tx_stop_all_queues(vsi->netdev); 7800b28b702SAnirudh Venkataramanan } 7810b28b702SAnirudh Venkataramanan } 7820b28b702SAnirudh Venkataramanan } 7830b28b702SAnirudh Venkataramanan 7840b28b702SAnirudh Venkataramanan /** 7857d9c9b79SDave Ertman * ice_set_dflt_mib - send a default config MIB to the FW 7867d9c9b79SDave Ertman * @pf: private PF struct 7877d9c9b79SDave Ertman * 7887d9c9b79SDave Ertman * This function sends a default configuration MIB to the FW. 7897d9c9b79SDave Ertman * 7907d9c9b79SDave Ertman * If this function errors out at any point, the driver is still able to 7917d9c9b79SDave Ertman * function. The main impact is that LFC may not operate as expected. 7927d9c9b79SDave Ertman * Therefore an error state in this function should be treated with a DBG 7937d9c9b79SDave Ertman * message and continue on with driver rebuild/reenable. 7947d9c9b79SDave Ertman */ 7957d9c9b79SDave Ertman static void ice_set_dflt_mib(struct ice_pf *pf) 7967d9c9b79SDave Ertman { 7977d9c9b79SDave Ertman struct device *dev = ice_pf_to_dev(pf); 7987d9c9b79SDave Ertman u8 mib_type, *buf, *lldpmib = NULL; 7997d9c9b79SDave Ertman u16 len, typelen, offset = 0; 8007d9c9b79SDave Ertman struct ice_lldp_org_tlv *tlv; 80112aae8f1SBruce Allan struct ice_hw *hw = &pf->hw; 8027d9c9b79SDave Ertman u32 ouisubtype; 8037d9c9b79SDave Ertman 8047d9c9b79SDave Ertman mib_type = SET_LOCAL_MIB_TYPE_LOCAL_MIB; 8057d9c9b79SDave Ertman lldpmib = kzalloc(ICE_LLDPDU_SIZE, GFP_KERNEL); 8067d9c9b79SDave Ertman if (!lldpmib) { 8077d9c9b79SDave Ertman dev_dbg(dev, "%s Failed to allocate MIB memory\n", 8087d9c9b79SDave Ertman __func__); 8097d9c9b79SDave Ertman return; 8107d9c9b79SDave Ertman } 8117d9c9b79SDave Ertman 8127d9c9b79SDave Ertman /* Add ETS CFG TLV */ 8137d9c9b79SDave Ertman tlv = (struct ice_lldp_org_tlv *)lldpmib; 8147d9c9b79SDave Ertman typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | 8157d9c9b79SDave Ertman ICE_IEEE_ETS_TLV_LEN); 8167d9c9b79SDave Ertman tlv->typelen = htons(typelen); 8177d9c9b79SDave Ertman ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 8187d9c9b79SDave Ertman ICE_IEEE_SUBTYPE_ETS_CFG); 8197d9c9b79SDave Ertman tlv->ouisubtype = htonl(ouisubtype); 8207d9c9b79SDave Ertman 8217d9c9b79SDave Ertman buf = tlv->tlvinfo; 8227d9c9b79SDave Ertman buf[0] = 0; 8237d9c9b79SDave Ertman 8247d9c9b79SDave Ertman /* ETS CFG all UPs map to TC 0. Next 4 (1 - 4) Octets = 0. 8257d9c9b79SDave Ertman * Octets 5 - 12 are BW values, set octet 5 to 100% BW. 8267d9c9b79SDave Ertman * Octets 13 - 20 are TSA values - leave as zeros 8277d9c9b79SDave Ertman */ 8287d9c9b79SDave Ertman buf[5] = 0x64; 8297d9c9b79SDave Ertman len = (typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S; 8307d9c9b79SDave Ertman offset += len + 2; 8317d9c9b79SDave Ertman tlv = (struct ice_lldp_org_tlv *) 8327d9c9b79SDave Ertman ((char *)tlv + sizeof(tlv->typelen) + len); 8337d9c9b79SDave Ertman 8347d9c9b79SDave Ertman /* Add ETS REC TLV */ 8357d9c9b79SDave Ertman buf = tlv->tlvinfo; 8367d9c9b79SDave Ertman tlv->typelen = htons(typelen); 8377d9c9b79SDave Ertman 8387d9c9b79SDave Ertman ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 8397d9c9b79SDave Ertman ICE_IEEE_SUBTYPE_ETS_REC); 8407d9c9b79SDave Ertman tlv->ouisubtype = htonl(ouisubtype); 8417d9c9b79SDave Ertman 8427d9c9b79SDave Ertman /* First octet of buf is reserved 8437d9c9b79SDave Ertman * Octets 1 - 4 map UP to TC - all UPs map to zero 8447d9c9b79SDave Ertman * Octets 5 - 12 are BW values - set TC 0 to 100%. 8457d9c9b79SDave Ertman * Octets 13 - 20 are TSA value - leave as zeros 8467d9c9b79SDave Ertman */ 8477d9c9b79SDave Ertman buf[5] = 0x64; 8487d9c9b79SDave Ertman offset += len + 2; 8497d9c9b79SDave Ertman tlv = (struct ice_lldp_org_tlv *) 8507d9c9b79SDave Ertman ((char *)tlv + sizeof(tlv->typelen) + len); 8517d9c9b79SDave Ertman 8527d9c9b79SDave Ertman /* Add PFC CFG TLV */ 8537d9c9b79SDave Ertman typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | 8547d9c9b79SDave Ertman ICE_IEEE_PFC_TLV_LEN); 8557d9c9b79SDave Ertman tlv->typelen = htons(typelen); 8567d9c9b79SDave Ertman 8577d9c9b79SDave Ertman ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 8587d9c9b79SDave Ertman ICE_IEEE_SUBTYPE_PFC_CFG); 8597d9c9b79SDave Ertman tlv->ouisubtype = htonl(ouisubtype); 8607d9c9b79SDave Ertman 8617d9c9b79SDave Ertman /* Octet 1 left as all zeros - PFC disabled */ 8627d9c9b79SDave Ertman buf[0] = 0x08; 8637d9c9b79SDave Ertman len = (typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S; 8647d9c9b79SDave Ertman offset += len + 2; 8657d9c9b79SDave Ertman 8667d9c9b79SDave Ertman if (ice_aq_set_lldp_mib(hw, mib_type, (void *)lldpmib, offset, NULL)) 8677d9c9b79SDave Ertman dev_dbg(dev, "%s Failed to set default LLDP MIB\n", __func__); 8687d9c9b79SDave Ertman 8697d9c9b79SDave Ertman kfree(lldpmib); 8707d9c9b79SDave Ertman } 8717d9c9b79SDave Ertman 8727d9c9b79SDave Ertman /** 8730b28b702SAnirudh Venkataramanan * ice_link_event - process the link event 8742f2da36eSAnirudh Venkataramanan * @pf: PF that the link event is associated with 8750b28b702SAnirudh Venkataramanan * @pi: port_info for the port that the link event is associated with 876c2a23e00SBrett Creeley * @link_up: true if the physical link is up and false if it is down 877c2a23e00SBrett Creeley * @link_speed: current link speed received from the link event 8780b28b702SAnirudh Venkataramanan * 879c2a23e00SBrett Creeley * Returns 0 on success and negative on failure 8800b28b702SAnirudh Venkataramanan */ 8810b28b702SAnirudh Venkataramanan static int 882c2a23e00SBrett Creeley ice_link_event(struct ice_pf *pf, struct ice_port_info *pi, bool link_up, 883c2a23e00SBrett Creeley u16 link_speed) 8840b28b702SAnirudh Venkataramanan { 8854015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 8860b28b702SAnirudh Venkataramanan struct ice_phy_info *phy_info; 887c2a23e00SBrett Creeley struct ice_vsi *vsi; 888c2a23e00SBrett Creeley u16 old_link_speed; 889c2a23e00SBrett Creeley bool old_link; 890c2a23e00SBrett Creeley int result; 8910b28b702SAnirudh Venkataramanan 8920b28b702SAnirudh Venkataramanan phy_info = &pi->phy; 8930b28b702SAnirudh Venkataramanan phy_info->link_info_old = phy_info->link_info; 8940b28b702SAnirudh Venkataramanan 895c2a23e00SBrett Creeley old_link = !!(phy_info->link_info_old.link_info & ICE_AQ_LINK_UP); 8960b28b702SAnirudh Venkataramanan old_link_speed = phy_info->link_info_old.link_speed; 8970b28b702SAnirudh Venkataramanan 898c2a23e00SBrett Creeley /* update the link info structures and re-enable link events, 899c2a23e00SBrett Creeley * don't bail on failure due to other book keeping needed 900c2a23e00SBrett Creeley */ 901c2a23e00SBrett Creeley result = ice_update_link_info(pi); 902c2a23e00SBrett Creeley if (result) 90319cce2c6SAnirudh Venkataramanan dev_dbg(dev, "Failed to update link status and re-enable link events for port %d\n", 904c2a23e00SBrett Creeley pi->lport); 9050b28b702SAnirudh Venkataramanan 9060ce6c34aSDave Ertman /* Check if the link state is up after updating link info, and treat 9070ce6c34aSDave Ertman * this event as an UP event since the link is actually UP now. 9080ce6c34aSDave Ertman */ 9090ce6c34aSDave Ertman if (phy_info->link_info.link_info & ICE_AQ_LINK_UP) 9100ce6c34aSDave Ertman link_up = true; 9110ce6c34aSDave Ertman 912208ff751SAnirudh Venkataramanan vsi = ice_get_main_vsi(pf); 9130b28b702SAnirudh Venkataramanan if (!vsi || !vsi->port_info) 914c2a23e00SBrett Creeley return -EINVAL; 9150b28b702SAnirudh Venkataramanan 9166d599946STony Nguyen /* turn off PHY if media was removed */ 9176d599946STony Nguyen if (!test_bit(ICE_FLAG_NO_MEDIA, pf->flags) && 9186d599946STony Nguyen !(pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE)) { 9196d599946STony Nguyen set_bit(ICE_FLAG_NO_MEDIA, pf->flags); 9206d599946STony Nguyen 9216d599946STony Nguyen result = ice_aq_set_link_restart_an(pi, false, NULL); 9226d599946STony Nguyen if (result) { 92319cce2c6SAnirudh Venkataramanan dev_dbg(dev, "Failed to set link down, VSI %d error %d\n", 9246d599946STony Nguyen vsi->vsi_num, result); 9256d599946STony Nguyen return result; 9266d599946STony Nguyen } 9276d599946STony Nguyen } 9286d599946STony Nguyen 9291a3571b5SPaul Greenwalt /* if the old link up/down and speed is the same as the new */ 9301a3571b5SPaul Greenwalt if (link_up == old_link && link_speed == old_link_speed) 9311a3571b5SPaul Greenwalt return result; 9321a3571b5SPaul Greenwalt 9337d9c9b79SDave Ertman if (ice_is_dcb_active(pf)) { 9347d9c9b79SDave Ertman if (test_bit(ICE_FLAG_DCB_ENA, pf->flags)) 935242b5e06SDave Ertman ice_dcb_rebuild(pf); 9367d9c9b79SDave Ertman } else { 9377d9c9b79SDave Ertman if (link_up) 9387d9c9b79SDave Ertman ice_set_dflt_mib(pf); 9397d9c9b79SDave Ertman } 940c2a23e00SBrett Creeley ice_vsi_link_event(vsi, link_up); 941c2a23e00SBrett Creeley ice_print_link_msg(vsi, link_up); 9420b28b702SAnirudh Venkataramanan 94353b8decbSAnirudh Venkataramanan ice_vc_notify_link_state(pf); 94453b8decbSAnirudh Venkataramanan 945c2a23e00SBrett Creeley return result; 9460b28b702SAnirudh Venkataramanan } 9470b28b702SAnirudh Venkataramanan 9480b28b702SAnirudh Venkataramanan /** 9494f4be03bSAnirudh Venkataramanan * ice_watchdog_subtask - periodic tasks not using event driven scheduling 9504f4be03bSAnirudh Venkataramanan * @pf: board private structure 9510b28b702SAnirudh Venkataramanan */ 9524f4be03bSAnirudh Venkataramanan static void ice_watchdog_subtask(struct ice_pf *pf) 9530b28b702SAnirudh Venkataramanan { 9544f4be03bSAnirudh Venkataramanan int i; 9550b28b702SAnirudh Venkataramanan 9564f4be03bSAnirudh Venkataramanan /* if interface is down do nothing */ 9574f4be03bSAnirudh Venkataramanan if (test_bit(__ICE_DOWN, pf->state) || 9584f4be03bSAnirudh Venkataramanan test_bit(__ICE_CFG_BUSY, pf->state)) 9594f4be03bSAnirudh Venkataramanan return; 9600b28b702SAnirudh Venkataramanan 9614f4be03bSAnirudh Venkataramanan /* make sure we don't do these things too often */ 9624f4be03bSAnirudh Venkataramanan if (time_before(jiffies, 9634f4be03bSAnirudh Venkataramanan pf->serv_tmr_prev + pf->serv_tmr_period)) 9644f4be03bSAnirudh Venkataramanan return; 9650b28b702SAnirudh Venkataramanan 9664f4be03bSAnirudh Venkataramanan pf->serv_tmr_prev = jiffies; 9674f4be03bSAnirudh Venkataramanan 9684f4be03bSAnirudh Venkataramanan /* Update the stats for active netdevs so the network stack 9694f4be03bSAnirudh Venkataramanan * can look at updated numbers whenever it cares to 9704f4be03bSAnirudh Venkataramanan */ 9714f4be03bSAnirudh Venkataramanan ice_update_pf_stats(pf); 97280ed404aSBrett Creeley ice_for_each_vsi(pf, i) 9734f4be03bSAnirudh Venkataramanan if (pf->vsi[i] && pf->vsi[i]->netdev) 9744f4be03bSAnirudh Venkataramanan ice_update_vsi_stats(pf->vsi[i]); 9750b28b702SAnirudh Venkataramanan } 9760b28b702SAnirudh Venkataramanan 9770b28b702SAnirudh Venkataramanan /** 978250c3b3eSBrett Creeley * ice_init_link_events - enable/initialize link events 979250c3b3eSBrett Creeley * @pi: pointer to the port_info instance 980250c3b3eSBrett Creeley * 981250c3b3eSBrett Creeley * Returns -EIO on failure, 0 on success 982250c3b3eSBrett Creeley */ 983250c3b3eSBrett Creeley static int ice_init_link_events(struct ice_port_info *pi) 984250c3b3eSBrett Creeley { 985250c3b3eSBrett Creeley u16 mask; 986250c3b3eSBrett Creeley 987250c3b3eSBrett Creeley mask = ~((u16)(ICE_AQ_LINK_EVENT_UPDOWN | ICE_AQ_LINK_EVENT_MEDIA_NA | 988250c3b3eSBrett Creeley ICE_AQ_LINK_EVENT_MODULE_QUAL_FAIL)); 989250c3b3eSBrett Creeley 990250c3b3eSBrett Creeley if (ice_aq_set_event_mask(pi->hw, pi->lport, mask, NULL)) { 99119cce2c6SAnirudh Venkataramanan dev_dbg(ice_hw_to_dev(pi->hw), "Failed to set link event mask for port %d\n", 992250c3b3eSBrett Creeley pi->lport); 993250c3b3eSBrett Creeley return -EIO; 994250c3b3eSBrett Creeley } 995250c3b3eSBrett Creeley 996250c3b3eSBrett Creeley if (ice_aq_get_link_info(pi, true, NULL, NULL)) { 99719cce2c6SAnirudh Venkataramanan dev_dbg(ice_hw_to_dev(pi->hw), "Failed to enable link events for port %d\n", 998250c3b3eSBrett Creeley pi->lport); 999250c3b3eSBrett Creeley return -EIO; 1000250c3b3eSBrett Creeley } 1001250c3b3eSBrett Creeley 1002250c3b3eSBrett Creeley return 0; 1003250c3b3eSBrett Creeley } 1004250c3b3eSBrett Creeley 1005250c3b3eSBrett Creeley /** 1006250c3b3eSBrett Creeley * ice_handle_link_event - handle link event via ARQ 10072f2da36eSAnirudh Venkataramanan * @pf: PF that the link event is associated with 1008c2a23e00SBrett Creeley * @event: event structure containing link status info 1009250c3b3eSBrett Creeley */ 1010c2a23e00SBrett Creeley static int 1011c2a23e00SBrett Creeley ice_handle_link_event(struct ice_pf *pf, struct ice_rq_event_info *event) 1012250c3b3eSBrett Creeley { 1013c2a23e00SBrett Creeley struct ice_aqc_get_link_status_data *link_data; 1014250c3b3eSBrett Creeley struct ice_port_info *port_info; 1015250c3b3eSBrett Creeley int status; 1016250c3b3eSBrett Creeley 1017c2a23e00SBrett Creeley link_data = (struct ice_aqc_get_link_status_data *)event->msg_buf; 1018250c3b3eSBrett Creeley port_info = pf->hw.port_info; 1019250c3b3eSBrett Creeley if (!port_info) 1020250c3b3eSBrett Creeley return -EINVAL; 1021250c3b3eSBrett Creeley 1022c2a23e00SBrett Creeley status = ice_link_event(pf, port_info, 1023c2a23e00SBrett Creeley !!(link_data->link_info & ICE_AQ_LINK_UP), 1024c2a23e00SBrett Creeley le16_to_cpu(link_data->link_speed)); 1025250c3b3eSBrett Creeley if (status) 102619cce2c6SAnirudh Venkataramanan dev_dbg(ice_pf_to_dev(pf), "Could not process link event, error %d\n", 102719cce2c6SAnirudh Venkataramanan status); 1028250c3b3eSBrett Creeley 1029250c3b3eSBrett Creeley return status; 1030250c3b3eSBrett Creeley } 1031250c3b3eSBrett Creeley 1032d69ea414SJacob Keller enum ice_aq_task_state { 1033d69ea414SJacob Keller ICE_AQ_TASK_WAITING = 0, 1034d69ea414SJacob Keller ICE_AQ_TASK_COMPLETE, 1035d69ea414SJacob Keller ICE_AQ_TASK_CANCELED, 1036d69ea414SJacob Keller }; 1037d69ea414SJacob Keller 1038d69ea414SJacob Keller struct ice_aq_task { 1039d69ea414SJacob Keller struct hlist_node entry; 1040d69ea414SJacob Keller 1041d69ea414SJacob Keller u16 opcode; 1042d69ea414SJacob Keller struct ice_rq_event_info *event; 1043d69ea414SJacob Keller enum ice_aq_task_state state; 1044d69ea414SJacob Keller }; 1045d69ea414SJacob Keller 1046d69ea414SJacob Keller /** 1047d69ea414SJacob Keller * ice_wait_for_aq_event - Wait for an AdminQ event from firmware 1048d69ea414SJacob Keller * @pf: pointer to the PF private structure 1049d69ea414SJacob Keller * @opcode: the opcode to wait for 1050d69ea414SJacob Keller * @timeout: how long to wait, in jiffies 1051d69ea414SJacob Keller * @event: storage for the event info 1052d69ea414SJacob Keller * 1053d69ea414SJacob Keller * Waits for a specific AdminQ completion event on the ARQ for a given PF. The 1054d69ea414SJacob Keller * current thread will be put to sleep until the specified event occurs or 1055d69ea414SJacob Keller * until the given timeout is reached. 1056d69ea414SJacob Keller * 1057d69ea414SJacob Keller * To obtain only the descriptor contents, pass an event without an allocated 1058d69ea414SJacob Keller * msg_buf. If the complete data buffer is desired, allocate the 1059d69ea414SJacob Keller * event->msg_buf with enough space ahead of time. 1060d69ea414SJacob Keller * 1061d69ea414SJacob Keller * Returns: zero on success, or a negative error code on failure. 1062d69ea414SJacob Keller */ 1063d69ea414SJacob Keller int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout, 1064d69ea414SJacob Keller struct ice_rq_event_info *event) 1065d69ea414SJacob Keller { 10661e8249ccSJacob Keller struct device *dev = ice_pf_to_dev(pf); 1067d69ea414SJacob Keller struct ice_aq_task *task; 10681e8249ccSJacob Keller unsigned long start; 1069d69ea414SJacob Keller long ret; 1070d69ea414SJacob Keller int err; 1071d69ea414SJacob Keller 1072d69ea414SJacob Keller task = kzalloc(sizeof(*task), GFP_KERNEL); 1073d69ea414SJacob Keller if (!task) 1074d69ea414SJacob Keller return -ENOMEM; 1075d69ea414SJacob Keller 1076d69ea414SJacob Keller INIT_HLIST_NODE(&task->entry); 1077d69ea414SJacob Keller task->opcode = opcode; 1078d69ea414SJacob Keller task->event = event; 1079d69ea414SJacob Keller task->state = ICE_AQ_TASK_WAITING; 1080d69ea414SJacob Keller 1081d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1082d69ea414SJacob Keller hlist_add_head(&task->entry, &pf->aq_wait_list); 1083d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1084d69ea414SJacob Keller 10851e8249ccSJacob Keller start = jiffies; 10861e8249ccSJacob Keller 1087d69ea414SJacob Keller ret = wait_event_interruptible_timeout(pf->aq_wait_queue, task->state, 1088d69ea414SJacob Keller timeout); 1089d69ea414SJacob Keller switch (task->state) { 1090d69ea414SJacob Keller case ICE_AQ_TASK_WAITING: 1091d69ea414SJacob Keller err = ret < 0 ? ret : -ETIMEDOUT; 1092d69ea414SJacob Keller break; 1093d69ea414SJacob Keller case ICE_AQ_TASK_CANCELED: 1094d69ea414SJacob Keller err = ret < 0 ? ret : -ECANCELED; 1095d69ea414SJacob Keller break; 1096d69ea414SJacob Keller case ICE_AQ_TASK_COMPLETE: 1097d69ea414SJacob Keller err = ret < 0 ? ret : 0; 1098d69ea414SJacob Keller break; 1099d69ea414SJacob Keller default: 1100d69ea414SJacob Keller WARN(1, "Unexpected AdminQ wait task state %u", task->state); 1101d69ea414SJacob Keller err = -EINVAL; 1102d69ea414SJacob Keller break; 1103d69ea414SJacob Keller } 1104d69ea414SJacob Keller 11051e8249ccSJacob Keller dev_dbg(dev, "Waited %u msecs (max %u msecs) for firmware response to op 0x%04x\n", 11061e8249ccSJacob Keller jiffies_to_msecs(jiffies - start), 11071e8249ccSJacob Keller jiffies_to_msecs(timeout), 11081e8249ccSJacob Keller opcode); 11091e8249ccSJacob Keller 1110d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1111d69ea414SJacob Keller hlist_del(&task->entry); 1112d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1113d69ea414SJacob Keller kfree(task); 1114d69ea414SJacob Keller 1115d69ea414SJacob Keller return err; 1116d69ea414SJacob Keller } 1117d69ea414SJacob Keller 1118d69ea414SJacob Keller /** 1119d69ea414SJacob Keller * ice_aq_check_events - Check if any thread is waiting for an AdminQ event 1120d69ea414SJacob Keller * @pf: pointer to the PF private structure 1121d69ea414SJacob Keller * @opcode: the opcode of the event 1122d69ea414SJacob Keller * @event: the event to check 1123d69ea414SJacob Keller * 1124d69ea414SJacob Keller * Loops over the current list of pending threads waiting for an AdminQ event. 1125d69ea414SJacob Keller * For each matching task, copy the contents of the event into the task 1126d69ea414SJacob Keller * structure and wake up the thread. 1127d69ea414SJacob Keller * 1128d69ea414SJacob Keller * If multiple threads wait for the same opcode, they will all be woken up. 1129d69ea414SJacob Keller * 1130d69ea414SJacob Keller * Note that event->msg_buf will only be duplicated if the event has a buffer 1131d69ea414SJacob Keller * with enough space already allocated. Otherwise, only the descriptor and 1132d69ea414SJacob Keller * message length will be copied. 1133d69ea414SJacob Keller * 1134d69ea414SJacob Keller * Returns: true if an event was found, false otherwise 1135d69ea414SJacob Keller */ 1136d69ea414SJacob Keller static void ice_aq_check_events(struct ice_pf *pf, u16 opcode, 1137d69ea414SJacob Keller struct ice_rq_event_info *event) 1138d69ea414SJacob Keller { 1139d69ea414SJacob Keller struct ice_aq_task *task; 1140d69ea414SJacob Keller bool found = false; 1141d69ea414SJacob Keller 1142d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1143d69ea414SJacob Keller hlist_for_each_entry(task, &pf->aq_wait_list, entry) { 1144d69ea414SJacob Keller if (task->state || task->opcode != opcode) 1145d69ea414SJacob Keller continue; 1146d69ea414SJacob Keller 1147d69ea414SJacob Keller memcpy(&task->event->desc, &event->desc, sizeof(event->desc)); 1148d69ea414SJacob Keller task->event->msg_len = event->msg_len; 1149d69ea414SJacob Keller 1150d69ea414SJacob Keller /* Only copy the data buffer if a destination was set */ 1151d69ea414SJacob Keller if (task->event->msg_buf && 1152d69ea414SJacob Keller task->event->buf_len > event->buf_len) { 1153d69ea414SJacob Keller memcpy(task->event->msg_buf, event->msg_buf, 1154d69ea414SJacob Keller event->buf_len); 1155d69ea414SJacob Keller task->event->buf_len = event->buf_len; 1156d69ea414SJacob Keller } 1157d69ea414SJacob Keller 1158d69ea414SJacob Keller task->state = ICE_AQ_TASK_COMPLETE; 1159d69ea414SJacob Keller found = true; 1160d69ea414SJacob Keller } 1161d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1162d69ea414SJacob Keller 1163d69ea414SJacob Keller if (found) 1164d69ea414SJacob Keller wake_up(&pf->aq_wait_queue); 1165d69ea414SJacob Keller } 1166d69ea414SJacob Keller 1167d69ea414SJacob Keller /** 1168d69ea414SJacob Keller * ice_aq_cancel_waiting_tasks - Immediately cancel all waiting tasks 1169d69ea414SJacob Keller * @pf: the PF private structure 1170d69ea414SJacob Keller * 1171d69ea414SJacob Keller * Set all waiting tasks to ICE_AQ_TASK_CANCELED, and wake up their threads. 1172d69ea414SJacob Keller * This will then cause ice_aq_wait_for_event to exit with -ECANCELED. 1173d69ea414SJacob Keller */ 1174d69ea414SJacob Keller static void ice_aq_cancel_waiting_tasks(struct ice_pf *pf) 1175d69ea414SJacob Keller { 1176d69ea414SJacob Keller struct ice_aq_task *task; 1177d69ea414SJacob Keller 1178d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1179d69ea414SJacob Keller hlist_for_each_entry(task, &pf->aq_wait_list, entry) 1180d69ea414SJacob Keller task->state = ICE_AQ_TASK_CANCELED; 1181d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1182d69ea414SJacob Keller 1183d69ea414SJacob Keller wake_up(&pf->aq_wait_queue); 1184d69ea414SJacob Keller } 1185d69ea414SJacob Keller 1186250c3b3eSBrett Creeley /** 1187940b61afSAnirudh Venkataramanan * __ice_clean_ctrlq - helper function to clean controlq rings 1188940b61afSAnirudh Venkataramanan * @pf: ptr to struct ice_pf 1189940b61afSAnirudh Venkataramanan * @q_type: specific Control queue type 1190940b61afSAnirudh Venkataramanan */ 1191940b61afSAnirudh Venkataramanan static int __ice_clean_ctrlq(struct ice_pf *pf, enum ice_ctl_q q_type) 1192940b61afSAnirudh Venkataramanan { 11934015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 1194940b61afSAnirudh Venkataramanan struct ice_rq_event_info event; 1195940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 1196940b61afSAnirudh Venkataramanan struct ice_ctl_q_info *cq; 1197940b61afSAnirudh Venkataramanan u16 pending, i = 0; 1198940b61afSAnirudh Venkataramanan const char *qtype; 1199940b61afSAnirudh Venkataramanan u32 oldval, val; 1200940b61afSAnirudh Venkataramanan 12010b28b702SAnirudh Venkataramanan /* Do not clean control queue if/when PF reset fails */ 12020b28b702SAnirudh Venkataramanan if (test_bit(__ICE_RESET_FAILED, pf->state)) 12030b28b702SAnirudh Venkataramanan return 0; 12040b28b702SAnirudh Venkataramanan 1205940b61afSAnirudh Venkataramanan switch (q_type) { 1206940b61afSAnirudh Venkataramanan case ICE_CTL_Q_ADMIN: 1207940b61afSAnirudh Venkataramanan cq = &hw->adminq; 1208940b61afSAnirudh Venkataramanan qtype = "Admin"; 1209940b61afSAnirudh Venkataramanan break; 121075d2b253SAnirudh Venkataramanan case ICE_CTL_Q_MAILBOX: 121175d2b253SAnirudh Venkataramanan cq = &hw->mailboxq; 121275d2b253SAnirudh Venkataramanan qtype = "Mailbox"; 121375d2b253SAnirudh Venkataramanan break; 1214940b61afSAnirudh Venkataramanan default: 12154015d11eSBrett Creeley dev_warn(dev, "Unknown control queue type 0x%x\n", q_type); 1216940b61afSAnirudh Venkataramanan return 0; 1217940b61afSAnirudh Venkataramanan } 1218940b61afSAnirudh Venkataramanan 1219940b61afSAnirudh Venkataramanan /* check for error indications - PF_xx_AxQLEN register layout for 1220940b61afSAnirudh Venkataramanan * FW/MBX/SB are identical so just use defines for PF_FW_AxQLEN. 1221940b61afSAnirudh Venkataramanan */ 1222940b61afSAnirudh Venkataramanan val = rd32(hw, cq->rq.len); 1223940b61afSAnirudh Venkataramanan if (val & (PF_FW_ARQLEN_ARQVFE_M | PF_FW_ARQLEN_ARQOVFL_M | 1224940b61afSAnirudh Venkataramanan PF_FW_ARQLEN_ARQCRIT_M)) { 1225940b61afSAnirudh Venkataramanan oldval = val; 1226940b61afSAnirudh Venkataramanan if (val & PF_FW_ARQLEN_ARQVFE_M) 12274015d11eSBrett Creeley dev_dbg(dev, "%s Receive Queue VF Error detected\n", 12284015d11eSBrett Creeley qtype); 1229940b61afSAnirudh Venkataramanan if (val & PF_FW_ARQLEN_ARQOVFL_M) { 123019cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Receive Queue Overflow Error detected\n", 1231940b61afSAnirudh Venkataramanan qtype); 1232940b61afSAnirudh Venkataramanan } 1233940b61afSAnirudh Venkataramanan if (val & PF_FW_ARQLEN_ARQCRIT_M) 123419cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Receive Queue Critical Error detected\n", 1235940b61afSAnirudh Venkataramanan qtype); 1236940b61afSAnirudh Venkataramanan val &= ~(PF_FW_ARQLEN_ARQVFE_M | PF_FW_ARQLEN_ARQOVFL_M | 1237940b61afSAnirudh Venkataramanan PF_FW_ARQLEN_ARQCRIT_M); 1238940b61afSAnirudh Venkataramanan if (oldval != val) 1239940b61afSAnirudh Venkataramanan wr32(hw, cq->rq.len, val); 1240940b61afSAnirudh Venkataramanan } 1241940b61afSAnirudh Venkataramanan 1242940b61afSAnirudh Venkataramanan val = rd32(hw, cq->sq.len); 1243940b61afSAnirudh Venkataramanan if (val & (PF_FW_ATQLEN_ATQVFE_M | PF_FW_ATQLEN_ATQOVFL_M | 1244940b61afSAnirudh Venkataramanan PF_FW_ATQLEN_ATQCRIT_M)) { 1245940b61afSAnirudh Venkataramanan oldval = val; 1246940b61afSAnirudh Venkataramanan if (val & PF_FW_ATQLEN_ATQVFE_M) 124719cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Send Queue VF Error detected\n", 124819cce2c6SAnirudh Venkataramanan qtype); 1249940b61afSAnirudh Venkataramanan if (val & PF_FW_ATQLEN_ATQOVFL_M) { 12504015d11eSBrett Creeley dev_dbg(dev, "%s Send Queue Overflow Error detected\n", 1251940b61afSAnirudh Venkataramanan qtype); 1252940b61afSAnirudh Venkataramanan } 1253940b61afSAnirudh Venkataramanan if (val & PF_FW_ATQLEN_ATQCRIT_M) 12544015d11eSBrett Creeley dev_dbg(dev, "%s Send Queue Critical Error detected\n", 1255940b61afSAnirudh Venkataramanan qtype); 1256940b61afSAnirudh Venkataramanan val &= ~(PF_FW_ATQLEN_ATQVFE_M | PF_FW_ATQLEN_ATQOVFL_M | 1257940b61afSAnirudh Venkataramanan PF_FW_ATQLEN_ATQCRIT_M); 1258940b61afSAnirudh Venkataramanan if (oldval != val) 1259940b61afSAnirudh Venkataramanan wr32(hw, cq->sq.len, val); 1260940b61afSAnirudh Venkataramanan } 1261940b61afSAnirudh Venkataramanan 1262940b61afSAnirudh Venkataramanan event.buf_len = cq->rq_buf_size; 12639efe35d0STony Nguyen event.msg_buf = kzalloc(event.buf_len, GFP_KERNEL); 1264940b61afSAnirudh Venkataramanan if (!event.msg_buf) 1265940b61afSAnirudh Venkataramanan return 0; 1266940b61afSAnirudh Venkataramanan 1267940b61afSAnirudh Venkataramanan do { 1268940b61afSAnirudh Venkataramanan enum ice_status ret; 12690b28b702SAnirudh Venkataramanan u16 opcode; 1270940b61afSAnirudh Venkataramanan 1271940b61afSAnirudh Venkataramanan ret = ice_clean_rq_elem(hw, cq, &event, &pending); 1272940b61afSAnirudh Venkataramanan if (ret == ICE_ERR_AQ_NO_WORK) 1273940b61afSAnirudh Venkataramanan break; 1274940b61afSAnirudh Venkataramanan if (ret) { 12750fee3577SLihong Yang dev_err(dev, "%s Receive Queue event error %s\n", qtype, 12760fee3577SLihong Yang ice_stat_str(ret)); 1277940b61afSAnirudh Venkataramanan break; 1278940b61afSAnirudh Venkataramanan } 12790b28b702SAnirudh Venkataramanan 12800b28b702SAnirudh Venkataramanan opcode = le16_to_cpu(event.desc.opcode); 12810b28b702SAnirudh Venkataramanan 1282d69ea414SJacob Keller /* Notify any thread that might be waiting for this event */ 1283d69ea414SJacob Keller ice_aq_check_events(pf, opcode, &event); 1284d69ea414SJacob Keller 12850b28b702SAnirudh Venkataramanan switch (opcode) { 1286250c3b3eSBrett Creeley case ice_aqc_opc_get_link_status: 1287c2a23e00SBrett Creeley if (ice_handle_link_event(pf, &event)) 12884015d11eSBrett Creeley dev_err(dev, "Could not handle link event\n"); 1289250c3b3eSBrett Creeley break; 12902309ae38SBrett Creeley case ice_aqc_opc_event_lan_overflow: 12912309ae38SBrett Creeley ice_vf_lan_overflow_event(pf, &event); 12922309ae38SBrett Creeley break; 12931071a835SAnirudh Venkataramanan case ice_mbx_opc_send_msg_to_pf: 12941071a835SAnirudh Venkataramanan ice_vc_process_vf_msg(pf, &event); 12951071a835SAnirudh Venkataramanan break; 12968b97ceb1SHieu Tran case ice_aqc_opc_fw_logging: 12978b97ceb1SHieu Tran ice_output_fw_log(hw, &event.desc, event.msg_buf); 12988b97ceb1SHieu Tran break; 129900cc3f1bSAnirudh Venkataramanan case ice_aqc_opc_lldp_set_mib_change: 130000cc3f1bSAnirudh Venkataramanan ice_dcb_process_lldp_set_mib_change(pf, &event); 130100cc3f1bSAnirudh Venkataramanan break; 13020b28b702SAnirudh Venkataramanan default: 130319cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Receive Queue unknown event 0x%04x ignored\n", 13040b28b702SAnirudh Venkataramanan qtype, opcode); 13050b28b702SAnirudh Venkataramanan break; 13060b28b702SAnirudh Venkataramanan } 1307940b61afSAnirudh Venkataramanan } while (pending && (i++ < ICE_DFLT_IRQ_WORK)); 1308940b61afSAnirudh Venkataramanan 13099efe35d0STony Nguyen kfree(event.msg_buf); 1310940b61afSAnirudh Venkataramanan 1311940b61afSAnirudh Venkataramanan return pending && (i == ICE_DFLT_IRQ_WORK); 1312940b61afSAnirudh Venkataramanan } 1313940b61afSAnirudh Venkataramanan 1314940b61afSAnirudh Venkataramanan /** 13153d6b640eSAnirudh Venkataramanan * ice_ctrlq_pending - check if there is a difference between ntc and ntu 13163d6b640eSAnirudh Venkataramanan * @hw: pointer to hardware info 13173d6b640eSAnirudh Venkataramanan * @cq: control queue information 13183d6b640eSAnirudh Venkataramanan * 13193d6b640eSAnirudh Venkataramanan * returns true if there are pending messages in a queue, false if there aren't 13203d6b640eSAnirudh Venkataramanan */ 13213d6b640eSAnirudh Venkataramanan static bool ice_ctrlq_pending(struct ice_hw *hw, struct ice_ctl_q_info *cq) 13223d6b640eSAnirudh Venkataramanan { 13233d6b640eSAnirudh Venkataramanan u16 ntu; 13243d6b640eSAnirudh Venkataramanan 13253d6b640eSAnirudh Venkataramanan ntu = (u16)(rd32(hw, cq->rq.head) & cq->rq.head_mask); 13263d6b640eSAnirudh Venkataramanan return cq->rq.next_to_clean != ntu; 13273d6b640eSAnirudh Venkataramanan } 13283d6b640eSAnirudh Venkataramanan 13293d6b640eSAnirudh Venkataramanan /** 1330940b61afSAnirudh Venkataramanan * ice_clean_adminq_subtask - clean the AdminQ rings 1331940b61afSAnirudh Venkataramanan * @pf: board private structure 1332940b61afSAnirudh Venkataramanan */ 1333940b61afSAnirudh Venkataramanan static void ice_clean_adminq_subtask(struct ice_pf *pf) 1334940b61afSAnirudh Venkataramanan { 1335940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 1336940b61afSAnirudh Venkataramanan 1337940b61afSAnirudh Venkataramanan if (!test_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state)) 1338940b61afSAnirudh Venkataramanan return; 1339940b61afSAnirudh Venkataramanan 1340940b61afSAnirudh Venkataramanan if (__ice_clean_ctrlq(pf, ICE_CTL_Q_ADMIN)) 1341940b61afSAnirudh Venkataramanan return; 1342940b61afSAnirudh Venkataramanan 1343940b61afSAnirudh Venkataramanan clear_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state); 1344940b61afSAnirudh Venkataramanan 13453d6b640eSAnirudh Venkataramanan /* There might be a situation where new messages arrive to a control 13463d6b640eSAnirudh Venkataramanan * queue between processing the last message and clearing the 13473d6b640eSAnirudh Venkataramanan * EVENT_PENDING bit. So before exiting, check queue head again (using 13483d6b640eSAnirudh Venkataramanan * ice_ctrlq_pending) and process new messages if any. 13493d6b640eSAnirudh Venkataramanan */ 13503d6b640eSAnirudh Venkataramanan if (ice_ctrlq_pending(hw, &hw->adminq)) 13513d6b640eSAnirudh Venkataramanan __ice_clean_ctrlq(pf, ICE_CTL_Q_ADMIN); 1352940b61afSAnirudh Venkataramanan 1353940b61afSAnirudh Venkataramanan ice_flush(hw); 1354940b61afSAnirudh Venkataramanan } 1355940b61afSAnirudh Venkataramanan 1356940b61afSAnirudh Venkataramanan /** 135775d2b253SAnirudh Venkataramanan * ice_clean_mailboxq_subtask - clean the MailboxQ rings 135875d2b253SAnirudh Venkataramanan * @pf: board private structure 135975d2b253SAnirudh Venkataramanan */ 136075d2b253SAnirudh Venkataramanan static void ice_clean_mailboxq_subtask(struct ice_pf *pf) 136175d2b253SAnirudh Venkataramanan { 136275d2b253SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 136375d2b253SAnirudh Venkataramanan 136475d2b253SAnirudh Venkataramanan if (!test_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state)) 136575d2b253SAnirudh Venkataramanan return; 136675d2b253SAnirudh Venkataramanan 136775d2b253SAnirudh Venkataramanan if (__ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX)) 136875d2b253SAnirudh Venkataramanan return; 136975d2b253SAnirudh Venkataramanan 137075d2b253SAnirudh Venkataramanan clear_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state); 137175d2b253SAnirudh Venkataramanan 137275d2b253SAnirudh Venkataramanan if (ice_ctrlq_pending(hw, &hw->mailboxq)) 137375d2b253SAnirudh Venkataramanan __ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX); 137475d2b253SAnirudh Venkataramanan 137575d2b253SAnirudh Venkataramanan ice_flush(hw); 137675d2b253SAnirudh Venkataramanan } 137775d2b253SAnirudh Venkataramanan 137875d2b253SAnirudh Venkataramanan /** 1379940b61afSAnirudh Venkataramanan * ice_service_task_schedule - schedule the service task to wake up 1380940b61afSAnirudh Venkataramanan * @pf: board private structure 1381940b61afSAnirudh Venkataramanan * 1382940b61afSAnirudh Venkataramanan * If not already scheduled, this puts the task into the work queue. 1383940b61afSAnirudh Venkataramanan */ 138428bf2672SBrett Creeley void ice_service_task_schedule(struct ice_pf *pf) 1385940b61afSAnirudh Venkataramanan { 13868d81fa55SAkeem G Abodunrin if (!test_bit(__ICE_SERVICE_DIS, pf->state) && 13870f9d5027SAnirudh Venkataramanan !test_and_set_bit(__ICE_SERVICE_SCHED, pf->state) && 13880f9d5027SAnirudh Venkataramanan !test_bit(__ICE_NEEDS_RESTART, pf->state)) 1389940b61afSAnirudh Venkataramanan queue_work(ice_wq, &pf->serv_task); 1390940b61afSAnirudh Venkataramanan } 1391940b61afSAnirudh Venkataramanan 1392940b61afSAnirudh Venkataramanan /** 1393940b61afSAnirudh Venkataramanan * ice_service_task_complete - finish up the service task 1394940b61afSAnirudh Venkataramanan * @pf: board private structure 1395940b61afSAnirudh Venkataramanan */ 1396940b61afSAnirudh Venkataramanan static void ice_service_task_complete(struct ice_pf *pf) 1397940b61afSAnirudh Venkataramanan { 1398940b61afSAnirudh Venkataramanan WARN_ON(!test_bit(__ICE_SERVICE_SCHED, pf->state)); 1399940b61afSAnirudh Venkataramanan 1400940b61afSAnirudh Venkataramanan /* force memory (pf->state) to sync before next service task */ 1401940b61afSAnirudh Venkataramanan smp_mb__before_atomic(); 1402940b61afSAnirudh Venkataramanan clear_bit(__ICE_SERVICE_SCHED, pf->state); 1403940b61afSAnirudh Venkataramanan } 1404940b61afSAnirudh Venkataramanan 1405940b61afSAnirudh Venkataramanan /** 14068d81fa55SAkeem G Abodunrin * ice_service_task_stop - stop service task and cancel works 14078d81fa55SAkeem G Abodunrin * @pf: board private structure 1408769c500dSAkeem G Abodunrin * 1409769c500dSAkeem G Abodunrin * Return 0 if the __ICE_SERVICE_DIS bit was not already set, 1410769c500dSAkeem G Abodunrin * 1 otherwise. 14118d81fa55SAkeem G Abodunrin */ 1412769c500dSAkeem G Abodunrin static int ice_service_task_stop(struct ice_pf *pf) 14138d81fa55SAkeem G Abodunrin { 1414769c500dSAkeem G Abodunrin int ret; 1415769c500dSAkeem G Abodunrin 1416769c500dSAkeem G Abodunrin ret = test_and_set_bit(__ICE_SERVICE_DIS, pf->state); 14178d81fa55SAkeem G Abodunrin 14188d81fa55SAkeem G Abodunrin if (pf->serv_tmr.function) 14198d81fa55SAkeem G Abodunrin del_timer_sync(&pf->serv_tmr); 14208d81fa55SAkeem G Abodunrin if (pf->serv_task.func) 14218d81fa55SAkeem G Abodunrin cancel_work_sync(&pf->serv_task); 14228d81fa55SAkeem G Abodunrin 14238d81fa55SAkeem G Abodunrin clear_bit(__ICE_SERVICE_SCHED, pf->state); 1424769c500dSAkeem G Abodunrin return ret; 14258d81fa55SAkeem G Abodunrin } 14268d81fa55SAkeem G Abodunrin 14278d81fa55SAkeem G Abodunrin /** 14285995b6d0SBrett Creeley * ice_service_task_restart - restart service task and schedule works 14295995b6d0SBrett Creeley * @pf: board private structure 14305995b6d0SBrett Creeley * 14315995b6d0SBrett Creeley * This function is needed for suspend and resume works (e.g WoL scenario) 14325995b6d0SBrett Creeley */ 14335995b6d0SBrett Creeley static void ice_service_task_restart(struct ice_pf *pf) 14345995b6d0SBrett Creeley { 14355995b6d0SBrett Creeley clear_bit(__ICE_SERVICE_DIS, pf->state); 14365995b6d0SBrett Creeley ice_service_task_schedule(pf); 14375995b6d0SBrett Creeley } 14385995b6d0SBrett Creeley 14395995b6d0SBrett Creeley /** 1440940b61afSAnirudh Venkataramanan * ice_service_timer - timer callback to schedule service task 1441940b61afSAnirudh Venkataramanan * @t: pointer to timer_list 1442940b61afSAnirudh Venkataramanan */ 1443940b61afSAnirudh Venkataramanan static void ice_service_timer(struct timer_list *t) 1444940b61afSAnirudh Venkataramanan { 1445940b61afSAnirudh Venkataramanan struct ice_pf *pf = from_timer(pf, t, serv_tmr); 1446940b61afSAnirudh Venkataramanan 1447940b61afSAnirudh Venkataramanan mod_timer(&pf->serv_tmr, round_jiffies(pf->serv_tmr_period + jiffies)); 1448940b61afSAnirudh Venkataramanan ice_service_task_schedule(pf); 1449940b61afSAnirudh Venkataramanan } 1450940b61afSAnirudh Venkataramanan 1451940b61afSAnirudh Venkataramanan /** 1452b3969fd7SSudheer Mogilappagari * ice_handle_mdd_event - handle malicious driver detect event 1453b3969fd7SSudheer Mogilappagari * @pf: pointer to the PF structure 1454b3969fd7SSudheer Mogilappagari * 14559d5c5a52SPaul Greenwalt * Called from service task. OICR interrupt handler indicates MDD event. 14569d5c5a52SPaul Greenwalt * VF MDD logging is guarded by net_ratelimit. Additional PF and VF log 14579d5c5a52SPaul Greenwalt * messages are wrapped by netif_msg_[rx|tx]_err. Since VF Rx MDD events 14589d5c5a52SPaul Greenwalt * disable the queue, the PF can be configured to reset the VF using ethtool 14599d5c5a52SPaul Greenwalt * private flag mdd-auto-reset-vf. 1460b3969fd7SSudheer Mogilappagari */ 1461b3969fd7SSudheer Mogilappagari static void ice_handle_mdd_event(struct ice_pf *pf) 1462b3969fd7SSudheer Mogilappagari { 14634015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 1464b3969fd7SSudheer Mogilappagari struct ice_hw *hw = &pf->hw; 1465c1e08830SJesse Brandeburg unsigned int i; 1466b3969fd7SSudheer Mogilappagari u32 reg; 1467b3969fd7SSudheer Mogilappagari 14689d5c5a52SPaul Greenwalt if (!test_and_clear_bit(__ICE_MDD_EVENT_PENDING, pf->state)) { 14699d5c5a52SPaul Greenwalt /* Since the VF MDD event logging is rate limited, check if 14709d5c5a52SPaul Greenwalt * there are pending MDD events. 14719d5c5a52SPaul Greenwalt */ 14729d5c5a52SPaul Greenwalt ice_print_vfs_mdd_events(pf); 1473b3969fd7SSudheer Mogilappagari return; 14749d5c5a52SPaul Greenwalt } 1475b3969fd7SSudheer Mogilappagari 14769d5c5a52SPaul Greenwalt /* find what triggered an MDD event */ 1477b3969fd7SSudheer Mogilappagari reg = rd32(hw, GL_MDET_TX_PQM); 1478b3969fd7SSudheer Mogilappagari if (reg & GL_MDET_TX_PQM_VALID_M) { 1479b3969fd7SSudheer Mogilappagari u8 pf_num = (reg & GL_MDET_TX_PQM_PF_NUM_M) >> 1480b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_PF_NUM_S; 1481b3969fd7SSudheer Mogilappagari u16 vf_num = (reg & GL_MDET_TX_PQM_VF_NUM_M) >> 1482b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_VF_NUM_S; 1483b3969fd7SSudheer Mogilappagari u8 event = (reg & GL_MDET_TX_PQM_MAL_TYPE_M) >> 1484b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_MAL_TYPE_S; 1485b3969fd7SSudheer Mogilappagari u16 queue = ((reg & GL_MDET_TX_PQM_QNUM_M) >> 1486b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_QNUM_S); 1487b3969fd7SSudheer Mogilappagari 1488b3969fd7SSudheer Mogilappagari if (netif_msg_tx_err(pf)) 14894015d11eSBrett Creeley dev_info(dev, "Malicious Driver Detection event %d on TX queue %d PF# %d VF# %d\n", 1490b3969fd7SSudheer Mogilappagari event, queue, pf_num, vf_num); 1491b3969fd7SSudheer Mogilappagari wr32(hw, GL_MDET_TX_PQM, 0xffffffff); 1492b3969fd7SSudheer Mogilappagari } 1493b3969fd7SSudheer Mogilappagari 1494b3969fd7SSudheer Mogilappagari reg = rd32(hw, GL_MDET_TX_TCLAN); 1495b3969fd7SSudheer Mogilappagari if (reg & GL_MDET_TX_TCLAN_VALID_M) { 1496b3969fd7SSudheer Mogilappagari u8 pf_num = (reg & GL_MDET_TX_TCLAN_PF_NUM_M) >> 1497b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_PF_NUM_S; 1498b3969fd7SSudheer Mogilappagari u16 vf_num = (reg & GL_MDET_TX_TCLAN_VF_NUM_M) >> 1499b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_VF_NUM_S; 1500b3969fd7SSudheer Mogilappagari u8 event = (reg & GL_MDET_TX_TCLAN_MAL_TYPE_M) >> 1501b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_MAL_TYPE_S; 1502b3969fd7SSudheer Mogilappagari u16 queue = ((reg & GL_MDET_TX_TCLAN_QNUM_M) >> 1503b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_QNUM_S); 1504b3969fd7SSudheer Mogilappagari 15051d8bd992SBen Shelton if (netif_msg_tx_err(pf)) 15064015d11eSBrett Creeley dev_info(dev, "Malicious Driver Detection event %d on TX queue %d PF# %d VF# %d\n", 1507b3969fd7SSudheer Mogilappagari event, queue, pf_num, vf_num); 1508b3969fd7SSudheer Mogilappagari wr32(hw, GL_MDET_TX_TCLAN, 0xffffffff); 1509b3969fd7SSudheer Mogilappagari } 1510b3969fd7SSudheer Mogilappagari 1511b3969fd7SSudheer Mogilappagari reg = rd32(hw, GL_MDET_RX); 1512b3969fd7SSudheer Mogilappagari if (reg & GL_MDET_RX_VALID_M) { 1513b3969fd7SSudheer Mogilappagari u8 pf_num = (reg & GL_MDET_RX_PF_NUM_M) >> 1514b3969fd7SSudheer Mogilappagari GL_MDET_RX_PF_NUM_S; 1515b3969fd7SSudheer Mogilappagari u16 vf_num = (reg & GL_MDET_RX_VF_NUM_M) >> 1516b3969fd7SSudheer Mogilappagari GL_MDET_RX_VF_NUM_S; 1517b3969fd7SSudheer Mogilappagari u8 event = (reg & GL_MDET_RX_MAL_TYPE_M) >> 1518b3969fd7SSudheer Mogilappagari GL_MDET_RX_MAL_TYPE_S; 1519b3969fd7SSudheer Mogilappagari u16 queue = ((reg & GL_MDET_RX_QNUM_M) >> 1520b3969fd7SSudheer Mogilappagari GL_MDET_RX_QNUM_S); 1521b3969fd7SSudheer Mogilappagari 1522b3969fd7SSudheer Mogilappagari if (netif_msg_rx_err(pf)) 15234015d11eSBrett Creeley dev_info(dev, "Malicious Driver Detection event %d on RX queue %d PF# %d VF# %d\n", 1524b3969fd7SSudheer Mogilappagari event, queue, pf_num, vf_num); 1525b3969fd7SSudheer Mogilappagari wr32(hw, GL_MDET_RX, 0xffffffff); 1526b3969fd7SSudheer Mogilappagari } 1527b3969fd7SSudheer Mogilappagari 15289d5c5a52SPaul Greenwalt /* check to see if this PF caused an MDD event */ 1529b3969fd7SSudheer Mogilappagari reg = rd32(hw, PF_MDET_TX_PQM); 1530b3969fd7SSudheer Mogilappagari if (reg & PF_MDET_TX_PQM_VALID_M) { 1531b3969fd7SSudheer Mogilappagari wr32(hw, PF_MDET_TX_PQM, 0xFFFF); 15329d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 15339d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_PQM detected on PF\n"); 1534b3969fd7SSudheer Mogilappagari } 1535b3969fd7SSudheer Mogilappagari 1536b3969fd7SSudheer Mogilappagari reg = rd32(hw, PF_MDET_TX_TCLAN); 1537b3969fd7SSudheer Mogilappagari if (reg & PF_MDET_TX_TCLAN_VALID_M) { 1538b3969fd7SSudheer Mogilappagari wr32(hw, PF_MDET_TX_TCLAN, 0xFFFF); 15399d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 15409d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_TCLAN detected on PF\n"); 1541b3969fd7SSudheer Mogilappagari } 1542b3969fd7SSudheer Mogilappagari 1543b3969fd7SSudheer Mogilappagari reg = rd32(hw, PF_MDET_RX); 1544b3969fd7SSudheer Mogilappagari if (reg & PF_MDET_RX_VALID_M) { 1545b3969fd7SSudheer Mogilappagari wr32(hw, PF_MDET_RX, 0xFFFF); 15469d5c5a52SPaul Greenwalt if (netif_msg_rx_err(pf)) 15479d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event RX detected on PF\n"); 1548b3969fd7SSudheer Mogilappagari } 1549b3969fd7SSudheer Mogilappagari 15509d5c5a52SPaul Greenwalt /* Check to see if one of the VFs caused an MDD event, and then 15519d5c5a52SPaul Greenwalt * increment counters and set print pending 15529d5c5a52SPaul Greenwalt */ 1553005881bcSBrett Creeley ice_for_each_vf(pf, i) { 15547c4bc1f5SAnirudh Venkataramanan struct ice_vf *vf = &pf->vf[i]; 15557c4bc1f5SAnirudh Venkataramanan 15567c4bc1f5SAnirudh Venkataramanan reg = rd32(hw, VP_MDET_TX_PQM(i)); 15577c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_TX_PQM_VALID_M) { 15587c4bc1f5SAnirudh Venkataramanan wr32(hw, VP_MDET_TX_PQM(i), 0xFFFF); 15599d5c5a52SPaul Greenwalt vf->mdd_tx_events.count++; 15609d5c5a52SPaul Greenwalt set_bit(__ICE_MDD_VF_PRINT_PENDING, pf->state); 15619d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 15629d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_PQM detected on VF %d\n", 15637c4bc1f5SAnirudh Venkataramanan i); 15647c4bc1f5SAnirudh Venkataramanan } 15657c4bc1f5SAnirudh Venkataramanan 15667c4bc1f5SAnirudh Venkataramanan reg = rd32(hw, VP_MDET_TX_TCLAN(i)); 15677c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_TX_TCLAN_VALID_M) { 15687c4bc1f5SAnirudh Venkataramanan wr32(hw, VP_MDET_TX_TCLAN(i), 0xFFFF); 15699d5c5a52SPaul Greenwalt vf->mdd_tx_events.count++; 15709d5c5a52SPaul Greenwalt set_bit(__ICE_MDD_VF_PRINT_PENDING, pf->state); 15719d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 15729d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_TCLAN detected on VF %d\n", 15737c4bc1f5SAnirudh Venkataramanan i); 15747c4bc1f5SAnirudh Venkataramanan } 15757c4bc1f5SAnirudh Venkataramanan 15767c4bc1f5SAnirudh Venkataramanan reg = rd32(hw, VP_MDET_TX_TDPU(i)); 15777c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_TX_TDPU_VALID_M) { 15787c4bc1f5SAnirudh Venkataramanan wr32(hw, VP_MDET_TX_TDPU(i), 0xFFFF); 15799d5c5a52SPaul Greenwalt vf->mdd_tx_events.count++; 15809d5c5a52SPaul Greenwalt set_bit(__ICE_MDD_VF_PRINT_PENDING, pf->state); 15819d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 15829d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_TDPU detected on VF %d\n", 15837c4bc1f5SAnirudh Venkataramanan i); 15847c4bc1f5SAnirudh Venkataramanan } 15857c4bc1f5SAnirudh Venkataramanan 15867c4bc1f5SAnirudh Venkataramanan reg = rd32(hw, VP_MDET_RX(i)); 15877c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_RX_VALID_M) { 15887c4bc1f5SAnirudh Venkataramanan wr32(hw, VP_MDET_RX(i), 0xFFFF); 15899d5c5a52SPaul Greenwalt vf->mdd_rx_events.count++; 15909d5c5a52SPaul Greenwalt set_bit(__ICE_MDD_VF_PRINT_PENDING, pf->state); 15919d5c5a52SPaul Greenwalt if (netif_msg_rx_err(pf)) 15929d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event RX detected on VF %d\n", 15937c4bc1f5SAnirudh Venkataramanan i); 15949d5c5a52SPaul Greenwalt 15959d5c5a52SPaul Greenwalt /* Since the queue is disabled on VF Rx MDD events, the 15969d5c5a52SPaul Greenwalt * PF can be configured to reset the VF through ethtool 15979d5c5a52SPaul Greenwalt * private flag mdd-auto-reset-vf. 15989d5c5a52SPaul Greenwalt */ 15997438a3b0SPaul Greenwalt if (test_bit(ICE_FLAG_MDD_AUTO_RESET_VF, pf->flags)) { 16007438a3b0SPaul Greenwalt /* VF MDD event counters will be cleared by 16017438a3b0SPaul Greenwalt * reset, so print the event prior to reset. 16027438a3b0SPaul Greenwalt */ 16037438a3b0SPaul Greenwalt ice_print_vf_rx_mdd_event(vf); 16049d5c5a52SPaul Greenwalt ice_reset_vf(&pf->vf[i], false); 16059d5c5a52SPaul Greenwalt } 16067c4bc1f5SAnirudh Venkataramanan } 16077438a3b0SPaul Greenwalt } 16087c4bc1f5SAnirudh Venkataramanan 16099d5c5a52SPaul Greenwalt ice_print_vfs_mdd_events(pf); 1610b3969fd7SSudheer Mogilappagari } 1611b3969fd7SSudheer Mogilappagari 1612b3969fd7SSudheer Mogilappagari /** 16136d599946STony Nguyen * ice_force_phys_link_state - Force the physical link state 16146d599946STony Nguyen * @vsi: VSI to force the physical link state to up/down 16156d599946STony Nguyen * @link_up: true/false indicates to set the physical link to up/down 16166d599946STony Nguyen * 16176d599946STony Nguyen * Force the physical link state by getting the current PHY capabilities from 16186d599946STony Nguyen * hardware and setting the PHY config based on the determined capabilities. If 16196d599946STony Nguyen * link changes a link event will be triggered because both the Enable Automatic 16206d599946STony Nguyen * Link Update and LESM Enable bits are set when setting the PHY capabilities. 16216d599946STony Nguyen * 16226d599946STony Nguyen * Returns 0 on success, negative on failure 16236d599946STony Nguyen */ 16246d599946STony Nguyen static int ice_force_phys_link_state(struct ice_vsi *vsi, bool link_up) 16256d599946STony Nguyen { 16266d599946STony Nguyen struct ice_aqc_get_phy_caps_data *pcaps; 16276d599946STony Nguyen struct ice_aqc_set_phy_cfg_data *cfg; 16286d599946STony Nguyen struct ice_port_info *pi; 16296d599946STony Nguyen struct device *dev; 16306d599946STony Nguyen int retcode; 16316d599946STony Nguyen 16326d599946STony Nguyen if (!vsi || !vsi->port_info || !vsi->back) 16336d599946STony Nguyen return -EINVAL; 16346d599946STony Nguyen if (vsi->type != ICE_VSI_PF) 16356d599946STony Nguyen return 0; 16366d599946STony Nguyen 16379a946843SAnirudh Venkataramanan dev = ice_pf_to_dev(vsi->back); 16386d599946STony Nguyen 16396d599946STony Nguyen pi = vsi->port_info; 16406d599946STony Nguyen 16419efe35d0STony Nguyen pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 16426d599946STony Nguyen if (!pcaps) 16436d599946STony Nguyen return -ENOMEM; 16446d599946STony Nguyen 16456d599946STony Nguyen retcode = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 16466d599946STony Nguyen NULL); 16476d599946STony Nguyen if (retcode) { 164819cce2c6SAnirudh Venkataramanan dev_err(dev, "Failed to get phy capabilities, VSI %d error %d\n", 16496d599946STony Nguyen vsi->vsi_num, retcode); 16506d599946STony Nguyen retcode = -EIO; 16516d599946STony Nguyen goto out; 16526d599946STony Nguyen } 16536d599946STony Nguyen 16546d599946STony Nguyen /* No change in link */ 16556d599946STony Nguyen if (link_up == !!(pcaps->caps & ICE_AQC_PHY_EN_LINK) && 16566d599946STony Nguyen link_up == !!(pi->phy.link_info.link_info & ICE_AQ_LINK_UP)) 16576d599946STony Nguyen goto out; 16586d599946STony Nguyen 16591a3571b5SPaul Greenwalt /* Use the current user PHY configuration. The current user PHY 16601a3571b5SPaul Greenwalt * configuration is initialized during probe from PHY capabilities 16611a3571b5SPaul Greenwalt * software mode, and updated on set PHY configuration. 16621a3571b5SPaul Greenwalt */ 16631a3571b5SPaul Greenwalt cfg = kmemdup(&pi->phy.curr_user_phy_cfg, sizeof(*cfg), GFP_KERNEL); 16646d599946STony Nguyen if (!cfg) { 16656d599946STony Nguyen retcode = -ENOMEM; 16666d599946STony Nguyen goto out; 16676d599946STony Nguyen } 16686d599946STony Nguyen 16691a3571b5SPaul Greenwalt cfg->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 16706d599946STony Nguyen if (link_up) 16716d599946STony Nguyen cfg->caps |= ICE_AQ_PHY_ENA_LINK; 16726d599946STony Nguyen else 16736d599946STony Nguyen cfg->caps &= ~ICE_AQ_PHY_ENA_LINK; 16746d599946STony Nguyen 16751a3571b5SPaul Greenwalt retcode = ice_aq_set_phy_cfg(&vsi->back->hw, pi, cfg, NULL); 16766d599946STony Nguyen if (retcode) { 16776d599946STony Nguyen dev_err(dev, "Failed to set phy config, VSI %d error %d\n", 16786d599946STony Nguyen vsi->vsi_num, retcode); 16796d599946STony Nguyen retcode = -EIO; 16806d599946STony Nguyen } 16816d599946STony Nguyen 16829efe35d0STony Nguyen kfree(cfg); 16836d599946STony Nguyen out: 16849efe35d0STony Nguyen kfree(pcaps); 16856d599946STony Nguyen return retcode; 16866d599946STony Nguyen } 16876d599946STony Nguyen 16886d599946STony Nguyen /** 16891a3571b5SPaul Greenwalt * ice_init_nvm_phy_type - Initialize the NVM PHY type 16901a3571b5SPaul Greenwalt * @pi: port info structure 16911a3571b5SPaul Greenwalt * 1692ea78ce4dSPaul Greenwalt * Initialize nvm_phy_type_[low|high] for link lenient mode support 16931a3571b5SPaul Greenwalt */ 16941a3571b5SPaul Greenwalt static int ice_init_nvm_phy_type(struct ice_port_info *pi) 16951a3571b5SPaul Greenwalt { 16961a3571b5SPaul Greenwalt struct ice_aqc_get_phy_caps_data *pcaps; 16971a3571b5SPaul Greenwalt struct ice_pf *pf = pi->hw->back; 16981a3571b5SPaul Greenwalt enum ice_status status; 16991a3571b5SPaul Greenwalt int err = 0; 17001a3571b5SPaul Greenwalt 17011a3571b5SPaul Greenwalt pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 17021a3571b5SPaul Greenwalt if (!pcaps) 17031a3571b5SPaul Greenwalt return -ENOMEM; 17041a3571b5SPaul Greenwalt 17051a3571b5SPaul Greenwalt status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_NVM_CAP, pcaps, 17061a3571b5SPaul Greenwalt NULL); 17071a3571b5SPaul Greenwalt 17081a3571b5SPaul Greenwalt if (status) { 17091a3571b5SPaul Greenwalt dev_err(ice_pf_to_dev(pf), "Get PHY capability failed.\n"); 17101a3571b5SPaul Greenwalt err = -EIO; 17111a3571b5SPaul Greenwalt goto out; 17121a3571b5SPaul Greenwalt } 17131a3571b5SPaul Greenwalt 17141a3571b5SPaul Greenwalt pf->nvm_phy_type_hi = pcaps->phy_type_high; 17151a3571b5SPaul Greenwalt pf->nvm_phy_type_lo = pcaps->phy_type_low; 17161a3571b5SPaul Greenwalt 17171a3571b5SPaul Greenwalt out: 17181a3571b5SPaul Greenwalt kfree(pcaps); 17191a3571b5SPaul Greenwalt return err; 17201a3571b5SPaul Greenwalt } 17211a3571b5SPaul Greenwalt 17221a3571b5SPaul Greenwalt /** 1723ea78ce4dSPaul Greenwalt * ice_init_link_dflt_override - Initialize link default override 1724ea78ce4dSPaul Greenwalt * @pi: port info structure 1725b4e813ddSBruce Allan * 1726b4e813ddSBruce Allan * Initialize link default override and PHY total port shutdown during probe 1727ea78ce4dSPaul Greenwalt */ 1728ea78ce4dSPaul Greenwalt static void ice_init_link_dflt_override(struct ice_port_info *pi) 1729ea78ce4dSPaul Greenwalt { 1730ea78ce4dSPaul Greenwalt struct ice_link_default_override_tlv *ldo; 1731ea78ce4dSPaul Greenwalt struct ice_pf *pf = pi->hw->back; 1732ea78ce4dSPaul Greenwalt 1733ea78ce4dSPaul Greenwalt ldo = &pf->link_dflt_override; 1734b4e813ddSBruce Allan if (ice_get_link_default_override(ldo, pi)) 1735b4e813ddSBruce Allan return; 1736b4e813ddSBruce Allan 1737b4e813ddSBruce Allan if (!(ldo->options & ICE_LINK_OVERRIDE_PORT_DIS)) 1738b4e813ddSBruce Allan return; 1739b4e813ddSBruce Allan 1740b4e813ddSBruce Allan /* Enable Total Port Shutdown (override/replace link-down-on-close 1741b4e813ddSBruce Allan * ethtool private flag) for ports with Port Disable bit set. 1742b4e813ddSBruce Allan */ 1743b4e813ddSBruce Allan set_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags); 1744b4e813ddSBruce Allan set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1745ea78ce4dSPaul Greenwalt } 1746ea78ce4dSPaul Greenwalt 1747ea78ce4dSPaul Greenwalt /** 1748ea78ce4dSPaul Greenwalt * ice_init_phy_cfg_dflt_override - Initialize PHY cfg default override settings 1749ea78ce4dSPaul Greenwalt * @pi: port info structure 1750ea78ce4dSPaul Greenwalt * 1751ea78ce4dSPaul Greenwalt * If default override is enabled, initialized the user PHY cfg speed and FEC 1752ea78ce4dSPaul Greenwalt * settings using the default override mask from the NVM. 1753ea78ce4dSPaul Greenwalt * 1754ea78ce4dSPaul Greenwalt * The PHY should only be configured with the default override settings the 1755ea78ce4dSPaul Greenwalt * first time media is available. The __ICE_LINK_DEFAULT_OVERRIDE_PENDING state 1756ea78ce4dSPaul Greenwalt * is used to indicate that the user PHY cfg default override is initialized 1757ea78ce4dSPaul Greenwalt * and the PHY has not been configured with the default override settings. The 1758ea78ce4dSPaul Greenwalt * state is set here, and cleared in ice_configure_phy the first time the PHY is 1759ea78ce4dSPaul Greenwalt * configured. 1760ea78ce4dSPaul Greenwalt */ 1761ea78ce4dSPaul Greenwalt static void ice_init_phy_cfg_dflt_override(struct ice_port_info *pi) 1762ea78ce4dSPaul Greenwalt { 1763ea78ce4dSPaul Greenwalt struct ice_link_default_override_tlv *ldo; 1764ea78ce4dSPaul Greenwalt struct ice_aqc_set_phy_cfg_data *cfg; 1765ea78ce4dSPaul Greenwalt struct ice_phy_info *phy = &pi->phy; 1766ea78ce4dSPaul Greenwalt struct ice_pf *pf = pi->hw->back; 1767ea78ce4dSPaul Greenwalt 1768ea78ce4dSPaul Greenwalt ldo = &pf->link_dflt_override; 1769ea78ce4dSPaul Greenwalt 1770ea78ce4dSPaul Greenwalt /* If link default override is enabled, use to mask NVM PHY capabilities 1771ea78ce4dSPaul Greenwalt * for speed and FEC default configuration. 1772ea78ce4dSPaul Greenwalt */ 1773ea78ce4dSPaul Greenwalt cfg = &phy->curr_user_phy_cfg; 1774ea78ce4dSPaul Greenwalt 1775ea78ce4dSPaul Greenwalt if (ldo->phy_type_low || ldo->phy_type_high) { 1776ea78ce4dSPaul Greenwalt cfg->phy_type_low = pf->nvm_phy_type_lo & 1777ea78ce4dSPaul Greenwalt cpu_to_le64(ldo->phy_type_low); 1778ea78ce4dSPaul Greenwalt cfg->phy_type_high = pf->nvm_phy_type_hi & 1779ea78ce4dSPaul Greenwalt cpu_to_le64(ldo->phy_type_high); 1780ea78ce4dSPaul Greenwalt } 1781ea78ce4dSPaul Greenwalt cfg->link_fec_opt = ldo->fec_options; 1782ea78ce4dSPaul Greenwalt phy->curr_user_fec_req = ICE_FEC_AUTO; 1783ea78ce4dSPaul Greenwalt 1784ea78ce4dSPaul Greenwalt set_bit(__ICE_LINK_DEFAULT_OVERRIDE_PENDING, pf->state); 1785ea78ce4dSPaul Greenwalt } 1786ea78ce4dSPaul Greenwalt 1787ea78ce4dSPaul Greenwalt /** 17881a3571b5SPaul Greenwalt * ice_init_phy_user_cfg - Initialize the PHY user configuration 17891a3571b5SPaul Greenwalt * @pi: port info structure 17901a3571b5SPaul Greenwalt * 17911a3571b5SPaul Greenwalt * Initialize the current user PHY configuration, speed, FEC, and FC requested 17921a3571b5SPaul Greenwalt * mode to default. The PHY defaults are from get PHY capabilities topology 17931a3571b5SPaul Greenwalt * with media so call when media is first available. An error is returned if 17941a3571b5SPaul Greenwalt * called when media is not available. The PHY initialization completed state is 17951a3571b5SPaul Greenwalt * set here. 17961a3571b5SPaul Greenwalt * 17971a3571b5SPaul Greenwalt * These configurations are used when setting PHY 17981a3571b5SPaul Greenwalt * configuration. The user PHY configuration is updated on set PHY 17991a3571b5SPaul Greenwalt * configuration. Returns 0 on success, negative on failure 18001a3571b5SPaul Greenwalt */ 18011a3571b5SPaul Greenwalt static int ice_init_phy_user_cfg(struct ice_port_info *pi) 18021a3571b5SPaul Greenwalt { 18031a3571b5SPaul Greenwalt struct ice_aqc_get_phy_caps_data *pcaps; 18041a3571b5SPaul Greenwalt struct ice_phy_info *phy = &pi->phy; 18051a3571b5SPaul Greenwalt struct ice_pf *pf = pi->hw->back; 18061a3571b5SPaul Greenwalt enum ice_status status; 18071a3571b5SPaul Greenwalt struct ice_vsi *vsi; 18081a3571b5SPaul Greenwalt int err = 0; 18091a3571b5SPaul Greenwalt 18101a3571b5SPaul Greenwalt if (!(phy->link_info.link_info & ICE_AQ_MEDIA_AVAILABLE)) 18111a3571b5SPaul Greenwalt return -EIO; 18121a3571b5SPaul Greenwalt 18131a3571b5SPaul Greenwalt vsi = ice_get_main_vsi(pf); 18141a3571b5SPaul Greenwalt if (!vsi) 18151a3571b5SPaul Greenwalt return -EINVAL; 18161a3571b5SPaul Greenwalt 18171a3571b5SPaul Greenwalt pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 18181a3571b5SPaul Greenwalt if (!pcaps) 18191a3571b5SPaul Greenwalt return -ENOMEM; 18201a3571b5SPaul Greenwalt 18211a3571b5SPaul Greenwalt status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, pcaps, 18221a3571b5SPaul Greenwalt NULL); 18231a3571b5SPaul Greenwalt if (status) { 18241a3571b5SPaul Greenwalt dev_err(ice_pf_to_dev(pf), "Get PHY capability failed.\n"); 18251a3571b5SPaul Greenwalt err = -EIO; 18261a3571b5SPaul Greenwalt goto err_out; 18271a3571b5SPaul Greenwalt } 18281a3571b5SPaul Greenwalt 1829ea78ce4dSPaul Greenwalt ice_copy_phy_caps_to_cfg(pi, pcaps, &pi->phy.curr_user_phy_cfg); 1830ea78ce4dSPaul Greenwalt 1831ea78ce4dSPaul Greenwalt /* check if lenient mode is supported and enabled */ 1832ea78ce4dSPaul Greenwalt if (ice_fw_supports_link_override(&vsi->back->hw) && 1833ea78ce4dSPaul Greenwalt !(pcaps->module_compliance_enforcement & 1834ea78ce4dSPaul Greenwalt ICE_AQC_MOD_ENFORCE_STRICT_MODE)) { 1835ea78ce4dSPaul Greenwalt set_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags); 1836ea78ce4dSPaul Greenwalt 1837ea78ce4dSPaul Greenwalt /* if link default override is enabled, initialize user PHY 1838ea78ce4dSPaul Greenwalt * configuration with link default override values 1839ea78ce4dSPaul Greenwalt */ 1840ea78ce4dSPaul Greenwalt if (pf->link_dflt_override.options & ICE_LINK_OVERRIDE_EN) { 1841ea78ce4dSPaul Greenwalt ice_init_phy_cfg_dflt_override(pi); 1842ea78ce4dSPaul Greenwalt goto out; 1843ea78ce4dSPaul Greenwalt } 1844ea78ce4dSPaul Greenwalt } 1845ea78ce4dSPaul Greenwalt 1846ea78ce4dSPaul Greenwalt /* if link default override is not enabled, initialize PHY using 1847ea78ce4dSPaul Greenwalt * topology with media 1848ea78ce4dSPaul Greenwalt */ 18491a3571b5SPaul Greenwalt phy->curr_user_fec_req = ice_caps_to_fec_mode(pcaps->caps, 18501a3571b5SPaul Greenwalt pcaps->link_fec_options); 18511a3571b5SPaul Greenwalt phy->curr_user_fc_req = ice_caps_to_fc_mode(pcaps->caps); 18521a3571b5SPaul Greenwalt 1853ea78ce4dSPaul Greenwalt out: 18541a3571b5SPaul Greenwalt phy->curr_user_speed_req = ICE_AQ_LINK_SPEED_M; 18551a3571b5SPaul Greenwalt set_bit(__ICE_PHY_INIT_COMPLETE, pf->state); 18561a3571b5SPaul Greenwalt err_out: 18571a3571b5SPaul Greenwalt kfree(pcaps); 18581a3571b5SPaul Greenwalt return err; 18591a3571b5SPaul Greenwalt } 18601a3571b5SPaul Greenwalt 18611a3571b5SPaul Greenwalt /** 18621a3571b5SPaul Greenwalt * ice_configure_phy - configure PHY 18631a3571b5SPaul Greenwalt * @vsi: VSI of PHY 18641a3571b5SPaul Greenwalt * 18651a3571b5SPaul Greenwalt * Set the PHY configuration. If the current PHY configuration is the same as 18661a3571b5SPaul Greenwalt * the curr_user_phy_cfg, then do nothing to avoid link flap. Otherwise 18671a3571b5SPaul Greenwalt * configure the based get PHY capabilities for topology with media. 18681a3571b5SPaul Greenwalt */ 18691a3571b5SPaul Greenwalt static int ice_configure_phy(struct ice_vsi *vsi) 18701a3571b5SPaul Greenwalt { 18711a3571b5SPaul Greenwalt struct device *dev = ice_pf_to_dev(vsi->back); 18721a3571b5SPaul Greenwalt struct ice_aqc_get_phy_caps_data *pcaps; 18731a3571b5SPaul Greenwalt struct ice_aqc_set_phy_cfg_data *cfg; 18741a3571b5SPaul Greenwalt struct ice_port_info *pi; 18751a3571b5SPaul Greenwalt enum ice_status status; 18761a3571b5SPaul Greenwalt int err = 0; 18771a3571b5SPaul Greenwalt 18781a3571b5SPaul Greenwalt pi = vsi->port_info; 18791a3571b5SPaul Greenwalt if (!pi) 18801a3571b5SPaul Greenwalt return -EINVAL; 18811a3571b5SPaul Greenwalt 18821a3571b5SPaul Greenwalt /* Ensure we have media as we cannot configure a medialess port */ 18831a3571b5SPaul Greenwalt if (!(pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE)) 18841a3571b5SPaul Greenwalt return -EPERM; 18851a3571b5SPaul Greenwalt 18861a3571b5SPaul Greenwalt ice_print_topo_conflict(vsi); 18871a3571b5SPaul Greenwalt 18881a3571b5SPaul Greenwalt if (vsi->port_info->phy.link_info.topo_media_conflict == 18891a3571b5SPaul Greenwalt ICE_AQ_LINK_TOPO_UNSUPP_MEDIA) 18901a3571b5SPaul Greenwalt return -EPERM; 18911a3571b5SPaul Greenwalt 18921a3571b5SPaul Greenwalt if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags)) 18931a3571b5SPaul Greenwalt return ice_force_phys_link_state(vsi, true); 18941a3571b5SPaul Greenwalt 18951a3571b5SPaul Greenwalt pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 18961a3571b5SPaul Greenwalt if (!pcaps) 18971a3571b5SPaul Greenwalt return -ENOMEM; 18981a3571b5SPaul Greenwalt 18991a3571b5SPaul Greenwalt /* Get current PHY config */ 19001a3571b5SPaul Greenwalt status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 19011a3571b5SPaul Greenwalt NULL); 19021a3571b5SPaul Greenwalt if (status) { 19031a3571b5SPaul Greenwalt dev_err(dev, "Failed to get PHY configuration, VSI %d error %s\n", 19041a3571b5SPaul Greenwalt vsi->vsi_num, ice_stat_str(status)); 19051a3571b5SPaul Greenwalt err = -EIO; 19061a3571b5SPaul Greenwalt goto done; 19071a3571b5SPaul Greenwalt } 19081a3571b5SPaul Greenwalt 19091a3571b5SPaul Greenwalt /* If PHY enable link is configured and configuration has not changed, 19101a3571b5SPaul Greenwalt * there's nothing to do 19111a3571b5SPaul Greenwalt */ 19121a3571b5SPaul Greenwalt if (pcaps->caps & ICE_AQC_PHY_EN_LINK && 19131a3571b5SPaul Greenwalt ice_phy_caps_equals_cfg(pcaps, &pi->phy.curr_user_phy_cfg)) 19141a3571b5SPaul Greenwalt goto done; 19151a3571b5SPaul Greenwalt 19161a3571b5SPaul Greenwalt /* Use PHY topology as baseline for configuration */ 19171a3571b5SPaul Greenwalt memset(pcaps, 0, sizeof(*pcaps)); 19181a3571b5SPaul Greenwalt status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, pcaps, 19191a3571b5SPaul Greenwalt NULL); 19201a3571b5SPaul Greenwalt if (status) { 19211a3571b5SPaul Greenwalt dev_err(dev, "Failed to get PHY topology, VSI %d error %s\n", 19221a3571b5SPaul Greenwalt vsi->vsi_num, ice_stat_str(status)); 19231a3571b5SPaul Greenwalt err = -EIO; 19241a3571b5SPaul Greenwalt goto done; 19251a3571b5SPaul Greenwalt } 19261a3571b5SPaul Greenwalt 19271a3571b5SPaul Greenwalt cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); 19281a3571b5SPaul Greenwalt if (!cfg) { 19291a3571b5SPaul Greenwalt err = -ENOMEM; 19301a3571b5SPaul Greenwalt goto done; 19311a3571b5SPaul Greenwalt } 19321a3571b5SPaul Greenwalt 1933ea78ce4dSPaul Greenwalt ice_copy_phy_caps_to_cfg(pi, pcaps, cfg); 19341a3571b5SPaul Greenwalt 19351a3571b5SPaul Greenwalt /* Speed - If default override pending, use curr_user_phy_cfg set in 19361a3571b5SPaul Greenwalt * ice_init_phy_user_cfg_ldo. 19371a3571b5SPaul Greenwalt */ 1938ea78ce4dSPaul Greenwalt if (test_and_clear_bit(__ICE_LINK_DEFAULT_OVERRIDE_PENDING, 1939ea78ce4dSPaul Greenwalt vsi->back->state)) { 1940ea78ce4dSPaul Greenwalt cfg->phy_type_low = pi->phy.curr_user_phy_cfg.phy_type_low; 1941ea78ce4dSPaul Greenwalt cfg->phy_type_high = pi->phy.curr_user_phy_cfg.phy_type_high; 1942ea78ce4dSPaul Greenwalt } else { 1943ea78ce4dSPaul Greenwalt u64 phy_low = 0, phy_high = 0; 1944ea78ce4dSPaul Greenwalt 1945ea78ce4dSPaul Greenwalt ice_update_phy_type(&phy_low, &phy_high, 1946ea78ce4dSPaul Greenwalt pi->phy.curr_user_speed_req); 19471a3571b5SPaul Greenwalt cfg->phy_type_low = pcaps->phy_type_low & cpu_to_le64(phy_low); 1948ea78ce4dSPaul Greenwalt cfg->phy_type_high = pcaps->phy_type_high & 1949ea78ce4dSPaul Greenwalt cpu_to_le64(phy_high); 1950ea78ce4dSPaul Greenwalt } 19511a3571b5SPaul Greenwalt 19521a3571b5SPaul Greenwalt /* Can't provide what was requested; use PHY capabilities */ 19531a3571b5SPaul Greenwalt if (!cfg->phy_type_low && !cfg->phy_type_high) { 19541a3571b5SPaul Greenwalt cfg->phy_type_low = pcaps->phy_type_low; 19551a3571b5SPaul Greenwalt cfg->phy_type_high = pcaps->phy_type_high; 19561a3571b5SPaul Greenwalt } 19571a3571b5SPaul Greenwalt 19581a3571b5SPaul Greenwalt /* FEC */ 19591a3571b5SPaul Greenwalt ice_cfg_phy_fec(pi, cfg, pi->phy.curr_user_fec_req); 19601a3571b5SPaul Greenwalt 19611a3571b5SPaul Greenwalt /* Can't provide what was requested; use PHY capabilities */ 19621a3571b5SPaul Greenwalt if (cfg->link_fec_opt != 19631a3571b5SPaul Greenwalt (cfg->link_fec_opt & pcaps->link_fec_options)) { 19641a3571b5SPaul Greenwalt cfg->caps |= pcaps->caps & ICE_AQC_PHY_EN_AUTO_FEC; 19651a3571b5SPaul Greenwalt cfg->link_fec_opt = pcaps->link_fec_options; 19661a3571b5SPaul Greenwalt } 19671a3571b5SPaul Greenwalt 19681a3571b5SPaul Greenwalt /* Flow Control - always supported; no need to check against 19691a3571b5SPaul Greenwalt * capabilities 19701a3571b5SPaul Greenwalt */ 19711a3571b5SPaul Greenwalt ice_cfg_phy_fc(pi, cfg, pi->phy.curr_user_fc_req); 19721a3571b5SPaul Greenwalt 19731a3571b5SPaul Greenwalt /* Enable link and link update */ 19741a3571b5SPaul Greenwalt cfg->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT | ICE_AQ_PHY_ENA_LINK; 19751a3571b5SPaul Greenwalt 19761a3571b5SPaul Greenwalt status = ice_aq_set_phy_cfg(&vsi->back->hw, pi, cfg, NULL); 19771a3571b5SPaul Greenwalt if (status) { 19781a3571b5SPaul Greenwalt dev_err(dev, "Failed to set phy config, VSI %d error %s\n", 19791a3571b5SPaul Greenwalt vsi->vsi_num, ice_stat_str(status)); 19801a3571b5SPaul Greenwalt err = -EIO; 19811a3571b5SPaul Greenwalt } 19821a3571b5SPaul Greenwalt 19831a3571b5SPaul Greenwalt kfree(cfg); 19841a3571b5SPaul Greenwalt done: 19851a3571b5SPaul Greenwalt kfree(pcaps); 19861a3571b5SPaul Greenwalt return err; 19871a3571b5SPaul Greenwalt } 19881a3571b5SPaul Greenwalt 19891a3571b5SPaul Greenwalt /** 19901a3571b5SPaul Greenwalt * ice_check_media_subtask - Check for media 19916d599946STony Nguyen * @pf: pointer to PF struct 19921a3571b5SPaul Greenwalt * 19931a3571b5SPaul Greenwalt * If media is available, then initialize PHY user configuration if it is not 19941a3571b5SPaul Greenwalt * been, and configure the PHY if the interface is up. 19956d599946STony Nguyen */ 19966d599946STony Nguyen static void ice_check_media_subtask(struct ice_pf *pf) 19976d599946STony Nguyen { 19986d599946STony Nguyen struct ice_port_info *pi; 19996d599946STony Nguyen struct ice_vsi *vsi; 20006d599946STony Nguyen int err; 20016d599946STony Nguyen 20021a3571b5SPaul Greenwalt /* No need to check for media if it's already present */ 20031a3571b5SPaul Greenwalt if (!test_bit(ICE_FLAG_NO_MEDIA, pf->flags)) 20046d599946STony Nguyen return; 20056d599946STony Nguyen 20061a3571b5SPaul Greenwalt vsi = ice_get_main_vsi(pf); 20071a3571b5SPaul Greenwalt if (!vsi) 20086d599946STony Nguyen return; 20096d599946STony Nguyen 20106d599946STony Nguyen /* Refresh link info and check if media is present */ 20116d599946STony Nguyen pi = vsi->port_info; 20126d599946STony Nguyen err = ice_update_link_info(pi); 20136d599946STony Nguyen if (err) 20146d599946STony Nguyen return; 20156d599946STony Nguyen 20166d599946STony Nguyen if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) { 20171a3571b5SPaul Greenwalt if (!test_bit(__ICE_PHY_INIT_COMPLETE, pf->state)) 20181a3571b5SPaul Greenwalt ice_init_phy_user_cfg(pi); 20191a3571b5SPaul Greenwalt 20201a3571b5SPaul Greenwalt /* PHY settings are reset on media insertion, reconfigure 20211a3571b5SPaul Greenwalt * PHY to preserve settings. 20221a3571b5SPaul Greenwalt */ 20231a3571b5SPaul Greenwalt if (test_bit(__ICE_DOWN, vsi->state) && 20241a3571b5SPaul Greenwalt test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags)) 20256d599946STony Nguyen return; 20261a3571b5SPaul Greenwalt 20271a3571b5SPaul Greenwalt err = ice_configure_phy(vsi); 20281a3571b5SPaul Greenwalt if (!err) 20296d599946STony Nguyen clear_bit(ICE_FLAG_NO_MEDIA, pf->flags); 20306d599946STony Nguyen 20316d599946STony Nguyen /* A Link Status Event will be generated; the event handler 20326d599946STony Nguyen * will complete bringing the interface up 20336d599946STony Nguyen */ 20346d599946STony Nguyen } 20356d599946STony Nguyen } 20366d599946STony Nguyen 20376d599946STony Nguyen /** 2038940b61afSAnirudh Venkataramanan * ice_service_task - manage and run subtasks 2039940b61afSAnirudh Venkataramanan * @work: pointer to work_struct contained by the PF struct 2040940b61afSAnirudh Venkataramanan */ 2041940b61afSAnirudh Venkataramanan static void ice_service_task(struct work_struct *work) 2042940b61afSAnirudh Venkataramanan { 2043940b61afSAnirudh Venkataramanan struct ice_pf *pf = container_of(work, struct ice_pf, serv_task); 2044940b61afSAnirudh Venkataramanan unsigned long start_time = jiffies; 2045940b61afSAnirudh Venkataramanan 2046940b61afSAnirudh Venkataramanan /* subtasks */ 20470b28b702SAnirudh Venkataramanan 20480b28b702SAnirudh Venkataramanan /* process reset requests first */ 20490b28b702SAnirudh Venkataramanan ice_reset_subtask(pf); 20500b28b702SAnirudh Venkataramanan 20510f9d5027SAnirudh Venkataramanan /* bail if a reset/recovery cycle is pending or rebuild failed */ 20525df7e45dSDave Ertman if (ice_is_reset_in_progress(pf->state) || 20530f9d5027SAnirudh Venkataramanan test_bit(__ICE_SUSPENDED, pf->state) || 20540f9d5027SAnirudh Venkataramanan test_bit(__ICE_NEEDS_RESTART, pf->state)) { 20550b28b702SAnirudh Venkataramanan ice_service_task_complete(pf); 20560b28b702SAnirudh Venkataramanan return; 20570b28b702SAnirudh Venkataramanan } 20580b28b702SAnirudh Venkataramanan 2059462acf6aSTony Nguyen ice_clean_adminq_subtask(pf); 20606d599946STony Nguyen ice_check_media_subtask(pf); 2061b3969fd7SSudheer Mogilappagari ice_check_for_hang_subtask(pf); 2062e94d4478SAnirudh Venkataramanan ice_sync_fltr_subtask(pf); 2063b3969fd7SSudheer Mogilappagari ice_handle_mdd_event(pf); 2064fcea6f3dSAnirudh Venkataramanan ice_watchdog_subtask(pf); 2065462acf6aSTony Nguyen 2066462acf6aSTony Nguyen if (ice_is_safe_mode(pf)) { 2067462acf6aSTony Nguyen ice_service_task_complete(pf); 2068462acf6aSTony Nguyen return; 2069462acf6aSTony Nguyen } 2070462acf6aSTony Nguyen 2071462acf6aSTony Nguyen ice_process_vflr_event(pf); 207275d2b253SAnirudh Venkataramanan ice_clean_mailboxq_subtask(pf); 207328bf2672SBrett Creeley ice_sync_arfs_fltrs(pf); 2074940b61afSAnirudh Venkataramanan /* Clear __ICE_SERVICE_SCHED flag to allow scheduling next event */ 2075940b61afSAnirudh Venkataramanan ice_service_task_complete(pf); 2076940b61afSAnirudh Venkataramanan 2077940b61afSAnirudh Venkataramanan /* If the tasks have taken longer than one service timer period 2078940b61afSAnirudh Venkataramanan * or there is more work to be done, reset the service timer to 2079940b61afSAnirudh Venkataramanan * schedule the service task now. 2080940b61afSAnirudh Venkataramanan */ 2081940b61afSAnirudh Venkataramanan if (time_after(jiffies, (start_time + pf->serv_tmr_period)) || 2082b3969fd7SSudheer Mogilappagari test_bit(__ICE_MDD_EVENT_PENDING, pf->state) || 2083007676b4SAnirudh Venkataramanan test_bit(__ICE_VFLR_EVENT_PENDING, pf->state) || 208475d2b253SAnirudh Venkataramanan test_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state) || 2085940b61afSAnirudh Venkataramanan test_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state)) 2086940b61afSAnirudh Venkataramanan mod_timer(&pf->serv_tmr, jiffies); 2087940b61afSAnirudh Venkataramanan } 2088940b61afSAnirudh Venkataramanan 2089837f08fdSAnirudh Venkataramanan /** 2090f31e4b6fSAnirudh Venkataramanan * ice_set_ctrlq_len - helper function to set controlq length 2091f9867df6SAnirudh Venkataramanan * @hw: pointer to the HW instance 2092f31e4b6fSAnirudh Venkataramanan */ 2093f31e4b6fSAnirudh Venkataramanan static void ice_set_ctrlq_len(struct ice_hw *hw) 2094f31e4b6fSAnirudh Venkataramanan { 2095f31e4b6fSAnirudh Venkataramanan hw->adminq.num_rq_entries = ICE_AQ_LEN; 2096f31e4b6fSAnirudh Venkataramanan hw->adminq.num_sq_entries = ICE_AQ_LEN; 2097f31e4b6fSAnirudh Venkataramanan hw->adminq.rq_buf_size = ICE_AQ_MAX_BUF_LEN; 2098f31e4b6fSAnirudh Venkataramanan hw->adminq.sq_buf_size = ICE_AQ_MAX_BUF_LEN; 2099c8a1071dSLukasz Czapnik hw->mailboxq.num_rq_entries = PF_MBX_ARQLEN_ARQLEN_M; 210011836214SBrett Creeley hw->mailboxq.num_sq_entries = ICE_MBXSQ_LEN; 210175d2b253SAnirudh Venkataramanan hw->mailboxq.rq_buf_size = ICE_MBXQ_MAX_BUF_LEN; 210275d2b253SAnirudh Venkataramanan hw->mailboxq.sq_buf_size = ICE_MBXQ_MAX_BUF_LEN; 2103f31e4b6fSAnirudh Venkataramanan } 2104f31e4b6fSAnirudh Venkataramanan 2105f31e4b6fSAnirudh Venkataramanan /** 210687324e74SHenry Tieman * ice_schedule_reset - schedule a reset 210787324e74SHenry Tieman * @pf: board private structure 210887324e74SHenry Tieman * @reset: reset being requested 210987324e74SHenry Tieman */ 211087324e74SHenry Tieman int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset) 211187324e74SHenry Tieman { 211287324e74SHenry Tieman struct device *dev = ice_pf_to_dev(pf); 211387324e74SHenry Tieman 211487324e74SHenry Tieman /* bail out if earlier reset has failed */ 211587324e74SHenry Tieman if (test_bit(__ICE_RESET_FAILED, pf->state)) { 211687324e74SHenry Tieman dev_dbg(dev, "earlier reset has failed\n"); 211787324e74SHenry Tieman return -EIO; 211887324e74SHenry Tieman } 211987324e74SHenry Tieman /* bail if reset/recovery already in progress */ 212087324e74SHenry Tieman if (ice_is_reset_in_progress(pf->state)) { 212187324e74SHenry Tieman dev_dbg(dev, "Reset already in progress\n"); 212287324e74SHenry Tieman return -EBUSY; 212387324e74SHenry Tieman } 212487324e74SHenry Tieman 212587324e74SHenry Tieman switch (reset) { 212687324e74SHenry Tieman case ICE_RESET_PFR: 212787324e74SHenry Tieman set_bit(__ICE_PFR_REQ, pf->state); 212887324e74SHenry Tieman break; 212987324e74SHenry Tieman case ICE_RESET_CORER: 213087324e74SHenry Tieman set_bit(__ICE_CORER_REQ, pf->state); 213187324e74SHenry Tieman break; 213287324e74SHenry Tieman case ICE_RESET_GLOBR: 213387324e74SHenry Tieman set_bit(__ICE_GLOBR_REQ, pf->state); 213487324e74SHenry Tieman break; 213587324e74SHenry Tieman default: 213687324e74SHenry Tieman return -EINVAL; 213787324e74SHenry Tieman } 213887324e74SHenry Tieman 213987324e74SHenry Tieman ice_service_task_schedule(pf); 214087324e74SHenry Tieman return 0; 214187324e74SHenry Tieman } 214287324e74SHenry Tieman 214387324e74SHenry Tieman /** 2144cdedef59SAnirudh Venkataramanan * ice_irq_affinity_notify - Callback for affinity changes 2145cdedef59SAnirudh Venkataramanan * @notify: context as to what irq was changed 2146cdedef59SAnirudh Venkataramanan * @mask: the new affinity mask 2147cdedef59SAnirudh Venkataramanan * 2148cdedef59SAnirudh Venkataramanan * This is a callback function used by the irq_set_affinity_notifier function 2149cdedef59SAnirudh Venkataramanan * so that we may register to receive changes to the irq affinity masks. 2150cdedef59SAnirudh Venkataramanan */ 2151c8b7abddSBruce Allan static void 2152c8b7abddSBruce Allan ice_irq_affinity_notify(struct irq_affinity_notify *notify, 2153cdedef59SAnirudh Venkataramanan const cpumask_t *mask) 2154cdedef59SAnirudh Venkataramanan { 2155cdedef59SAnirudh Venkataramanan struct ice_q_vector *q_vector = 2156cdedef59SAnirudh Venkataramanan container_of(notify, struct ice_q_vector, affinity_notify); 2157cdedef59SAnirudh Venkataramanan 2158cdedef59SAnirudh Venkataramanan cpumask_copy(&q_vector->affinity_mask, mask); 2159cdedef59SAnirudh Venkataramanan } 2160cdedef59SAnirudh Venkataramanan 2161cdedef59SAnirudh Venkataramanan /** 2162cdedef59SAnirudh Venkataramanan * ice_irq_affinity_release - Callback for affinity notifier release 2163cdedef59SAnirudh Venkataramanan * @ref: internal core kernel usage 2164cdedef59SAnirudh Venkataramanan * 2165cdedef59SAnirudh Venkataramanan * This is a callback function used by the irq_set_affinity_notifier function 2166cdedef59SAnirudh Venkataramanan * to inform the current notification subscriber that they will no longer 2167cdedef59SAnirudh Venkataramanan * receive notifications. 2168cdedef59SAnirudh Venkataramanan */ 2169cdedef59SAnirudh Venkataramanan static void ice_irq_affinity_release(struct kref __always_unused *ref) {} 2170cdedef59SAnirudh Venkataramanan 2171cdedef59SAnirudh Venkataramanan /** 2172cdedef59SAnirudh Venkataramanan * ice_vsi_ena_irq - Enable IRQ for the given VSI 2173cdedef59SAnirudh Venkataramanan * @vsi: the VSI being configured 2174cdedef59SAnirudh Venkataramanan */ 2175cdedef59SAnirudh Venkataramanan static int ice_vsi_ena_irq(struct ice_vsi *vsi) 2176cdedef59SAnirudh Venkataramanan { 2177ba880734SBrett Creeley struct ice_hw *hw = &vsi->back->hw; 2178cdedef59SAnirudh Venkataramanan int i; 2179cdedef59SAnirudh Venkataramanan 21800c2561c8SBrett Creeley ice_for_each_q_vector(vsi, i) 2181cdedef59SAnirudh Venkataramanan ice_irq_dynamic_ena(hw, vsi, vsi->q_vectors[i]); 2182cdedef59SAnirudh Venkataramanan 2183cdedef59SAnirudh Venkataramanan ice_flush(hw); 2184cdedef59SAnirudh Venkataramanan return 0; 2185cdedef59SAnirudh Venkataramanan } 2186cdedef59SAnirudh Venkataramanan 2187cdedef59SAnirudh Venkataramanan /** 2188cdedef59SAnirudh Venkataramanan * ice_vsi_req_irq_msix - get MSI-X vectors from the OS for the VSI 2189cdedef59SAnirudh Venkataramanan * @vsi: the VSI being configured 2190cdedef59SAnirudh Venkataramanan * @basename: name for the vector 2191cdedef59SAnirudh Venkataramanan */ 2192cdedef59SAnirudh Venkataramanan static int ice_vsi_req_irq_msix(struct ice_vsi *vsi, char *basename) 2193cdedef59SAnirudh Venkataramanan { 2194cdedef59SAnirudh Venkataramanan int q_vectors = vsi->num_q_vectors; 2195cdedef59SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 2196cbe66bfeSBrett Creeley int base = vsi->base_vector; 21974015d11eSBrett Creeley struct device *dev; 2198cdedef59SAnirudh Venkataramanan int rx_int_idx = 0; 2199cdedef59SAnirudh Venkataramanan int tx_int_idx = 0; 2200cdedef59SAnirudh Venkataramanan int vector, err; 2201cdedef59SAnirudh Venkataramanan int irq_num; 2202cdedef59SAnirudh Venkataramanan 22034015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 2204cdedef59SAnirudh Venkataramanan for (vector = 0; vector < q_vectors; vector++) { 2205cdedef59SAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[vector]; 2206cdedef59SAnirudh Venkataramanan 2207cdedef59SAnirudh Venkataramanan irq_num = pf->msix_entries[base + vector].vector; 2208cdedef59SAnirudh Venkataramanan 2209cdedef59SAnirudh Venkataramanan if (q_vector->tx.ring && q_vector->rx.ring) { 2210cdedef59SAnirudh Venkataramanan snprintf(q_vector->name, sizeof(q_vector->name) - 1, 2211cdedef59SAnirudh Venkataramanan "%s-%s-%d", basename, "TxRx", rx_int_idx++); 2212cdedef59SAnirudh Venkataramanan tx_int_idx++; 2213cdedef59SAnirudh Venkataramanan } else if (q_vector->rx.ring) { 2214cdedef59SAnirudh Venkataramanan snprintf(q_vector->name, sizeof(q_vector->name) - 1, 2215cdedef59SAnirudh Venkataramanan "%s-%s-%d", basename, "rx", rx_int_idx++); 2216cdedef59SAnirudh Venkataramanan } else if (q_vector->tx.ring) { 2217cdedef59SAnirudh Venkataramanan snprintf(q_vector->name, sizeof(q_vector->name) - 1, 2218cdedef59SAnirudh Venkataramanan "%s-%s-%d", basename, "tx", tx_int_idx++); 2219cdedef59SAnirudh Venkataramanan } else { 2220cdedef59SAnirudh Venkataramanan /* skip this unused q_vector */ 2221cdedef59SAnirudh Venkataramanan continue; 2222cdedef59SAnirudh Venkataramanan } 22234015d11eSBrett Creeley err = devm_request_irq(dev, irq_num, vsi->irq_handler, 0, 22248d051b8bSAlan Brady q_vector->name, q_vector); 2225cdedef59SAnirudh Venkataramanan if (err) { 222619cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "MSIX request_irq failed, error: %d\n", 222719cce2c6SAnirudh Venkataramanan err); 2228cdedef59SAnirudh Venkataramanan goto free_q_irqs; 2229cdedef59SAnirudh Venkataramanan } 2230cdedef59SAnirudh Venkataramanan 2231cdedef59SAnirudh Venkataramanan /* register for affinity change notifications */ 223228bf2672SBrett Creeley if (!IS_ENABLED(CONFIG_RFS_ACCEL)) { 223328bf2672SBrett Creeley struct irq_affinity_notify *affinity_notify; 223428bf2672SBrett Creeley 223528bf2672SBrett Creeley affinity_notify = &q_vector->affinity_notify; 223628bf2672SBrett Creeley affinity_notify->notify = ice_irq_affinity_notify; 223728bf2672SBrett Creeley affinity_notify->release = ice_irq_affinity_release; 223828bf2672SBrett Creeley irq_set_affinity_notifier(irq_num, affinity_notify); 223928bf2672SBrett Creeley } 2240cdedef59SAnirudh Venkataramanan 2241cdedef59SAnirudh Venkataramanan /* assign the mask for this irq */ 2242cdedef59SAnirudh Venkataramanan irq_set_affinity_hint(irq_num, &q_vector->affinity_mask); 2243cdedef59SAnirudh Venkataramanan } 2244cdedef59SAnirudh Venkataramanan 2245cdedef59SAnirudh Venkataramanan vsi->irqs_ready = true; 2246cdedef59SAnirudh Venkataramanan return 0; 2247cdedef59SAnirudh Venkataramanan 2248cdedef59SAnirudh Venkataramanan free_q_irqs: 2249cdedef59SAnirudh Venkataramanan while (vector) { 2250cdedef59SAnirudh Venkataramanan vector--; 225128bf2672SBrett Creeley irq_num = pf->msix_entries[base + vector].vector; 225228bf2672SBrett Creeley if (!IS_ENABLED(CONFIG_RFS_ACCEL)) 2253cdedef59SAnirudh Venkataramanan irq_set_affinity_notifier(irq_num, NULL); 2254cdedef59SAnirudh Venkataramanan irq_set_affinity_hint(irq_num, NULL); 22554015d11eSBrett Creeley devm_free_irq(dev, irq_num, &vsi->q_vectors[vector]); 2256cdedef59SAnirudh Venkataramanan } 2257cdedef59SAnirudh Venkataramanan return err; 2258cdedef59SAnirudh Venkataramanan } 2259cdedef59SAnirudh Venkataramanan 2260cdedef59SAnirudh Venkataramanan /** 2261efc2214bSMaciej Fijalkowski * ice_xdp_alloc_setup_rings - Allocate and setup Tx rings for XDP 2262efc2214bSMaciej Fijalkowski * @vsi: VSI to setup Tx rings used by XDP 2263efc2214bSMaciej Fijalkowski * 2264efc2214bSMaciej Fijalkowski * Return 0 on success and negative value on error 2265efc2214bSMaciej Fijalkowski */ 2266efc2214bSMaciej Fijalkowski static int ice_xdp_alloc_setup_rings(struct ice_vsi *vsi) 2267efc2214bSMaciej Fijalkowski { 22689a946843SAnirudh Venkataramanan struct device *dev = ice_pf_to_dev(vsi->back); 2269efc2214bSMaciej Fijalkowski int i; 2270efc2214bSMaciej Fijalkowski 2271efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->num_xdp_txq; i++) { 2272efc2214bSMaciej Fijalkowski u16 xdp_q_idx = vsi->alloc_txq + i; 2273efc2214bSMaciej Fijalkowski struct ice_ring *xdp_ring; 2274efc2214bSMaciej Fijalkowski 2275efc2214bSMaciej Fijalkowski xdp_ring = kzalloc(sizeof(*xdp_ring), GFP_KERNEL); 2276efc2214bSMaciej Fijalkowski 2277efc2214bSMaciej Fijalkowski if (!xdp_ring) 2278efc2214bSMaciej Fijalkowski goto free_xdp_rings; 2279efc2214bSMaciej Fijalkowski 2280efc2214bSMaciej Fijalkowski xdp_ring->q_index = xdp_q_idx; 2281efc2214bSMaciej Fijalkowski xdp_ring->reg_idx = vsi->txq_map[xdp_q_idx]; 2282efc2214bSMaciej Fijalkowski xdp_ring->ring_active = false; 2283efc2214bSMaciej Fijalkowski xdp_ring->vsi = vsi; 2284efc2214bSMaciej Fijalkowski xdp_ring->netdev = NULL; 2285efc2214bSMaciej Fijalkowski xdp_ring->dev = dev; 2286efc2214bSMaciej Fijalkowski xdp_ring->count = vsi->num_tx_desc; 2287b1d95cc2SCiara Loftus WRITE_ONCE(vsi->xdp_rings[i], xdp_ring); 2288efc2214bSMaciej Fijalkowski if (ice_setup_tx_ring(xdp_ring)) 2289efc2214bSMaciej Fijalkowski goto free_xdp_rings; 2290efc2214bSMaciej Fijalkowski ice_set_ring_xdp(xdp_ring); 22911742b3d5SMagnus Karlsson xdp_ring->xsk_pool = ice_xsk_pool(xdp_ring); 2292efc2214bSMaciej Fijalkowski } 2293efc2214bSMaciej Fijalkowski 2294efc2214bSMaciej Fijalkowski return 0; 2295efc2214bSMaciej Fijalkowski 2296efc2214bSMaciej Fijalkowski free_xdp_rings: 2297efc2214bSMaciej Fijalkowski for (; i >= 0; i--) 2298efc2214bSMaciej Fijalkowski if (vsi->xdp_rings[i] && vsi->xdp_rings[i]->desc) 2299efc2214bSMaciej Fijalkowski ice_free_tx_ring(vsi->xdp_rings[i]); 2300efc2214bSMaciej Fijalkowski return -ENOMEM; 2301efc2214bSMaciej Fijalkowski } 2302efc2214bSMaciej Fijalkowski 2303efc2214bSMaciej Fijalkowski /** 2304efc2214bSMaciej Fijalkowski * ice_vsi_assign_bpf_prog - set or clear bpf prog pointer on VSI 2305efc2214bSMaciej Fijalkowski * @vsi: VSI to set the bpf prog on 2306efc2214bSMaciej Fijalkowski * @prog: the bpf prog pointer 2307efc2214bSMaciej Fijalkowski */ 2308efc2214bSMaciej Fijalkowski static void ice_vsi_assign_bpf_prog(struct ice_vsi *vsi, struct bpf_prog *prog) 2309efc2214bSMaciej Fijalkowski { 2310efc2214bSMaciej Fijalkowski struct bpf_prog *old_prog; 2311efc2214bSMaciej Fijalkowski int i; 2312efc2214bSMaciej Fijalkowski 2313efc2214bSMaciej Fijalkowski old_prog = xchg(&vsi->xdp_prog, prog); 2314efc2214bSMaciej Fijalkowski if (old_prog) 2315efc2214bSMaciej Fijalkowski bpf_prog_put(old_prog); 2316efc2214bSMaciej Fijalkowski 2317efc2214bSMaciej Fijalkowski ice_for_each_rxq(vsi, i) 2318efc2214bSMaciej Fijalkowski WRITE_ONCE(vsi->rx_rings[i]->xdp_prog, vsi->xdp_prog); 2319efc2214bSMaciej Fijalkowski } 2320efc2214bSMaciej Fijalkowski 2321efc2214bSMaciej Fijalkowski /** 2322efc2214bSMaciej Fijalkowski * ice_prepare_xdp_rings - Allocate, configure and setup Tx rings for XDP 2323efc2214bSMaciej Fijalkowski * @vsi: VSI to bring up Tx rings used by XDP 2324efc2214bSMaciej Fijalkowski * @prog: bpf program that will be assigned to VSI 2325efc2214bSMaciej Fijalkowski * 2326efc2214bSMaciej Fijalkowski * Return 0 on success and negative value on error 2327efc2214bSMaciej Fijalkowski */ 2328efc2214bSMaciej Fijalkowski int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog) 2329efc2214bSMaciej Fijalkowski { 2330efc2214bSMaciej Fijalkowski u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 2331efc2214bSMaciej Fijalkowski int xdp_rings_rem = vsi->num_xdp_txq; 2332efc2214bSMaciej Fijalkowski struct ice_pf *pf = vsi->back; 2333efc2214bSMaciej Fijalkowski struct ice_qs_cfg xdp_qs_cfg = { 2334efc2214bSMaciej Fijalkowski .qs_mutex = &pf->avail_q_mutex, 2335efc2214bSMaciej Fijalkowski .pf_map = pf->avail_txqs, 2336efc2214bSMaciej Fijalkowski .pf_map_size = pf->max_pf_txqs, 2337efc2214bSMaciej Fijalkowski .q_count = vsi->num_xdp_txq, 2338efc2214bSMaciej Fijalkowski .scatter_count = ICE_MAX_SCATTER_TXQS, 2339efc2214bSMaciej Fijalkowski .vsi_map = vsi->txq_map, 2340efc2214bSMaciej Fijalkowski .vsi_map_offset = vsi->alloc_txq, 2341efc2214bSMaciej Fijalkowski .mapping_mode = ICE_VSI_MAP_CONTIG 2342efc2214bSMaciej Fijalkowski }; 2343efc2214bSMaciej Fijalkowski enum ice_status status; 23444015d11eSBrett Creeley struct device *dev; 2345efc2214bSMaciej Fijalkowski int i, v_idx; 2346efc2214bSMaciej Fijalkowski 23474015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 23484015d11eSBrett Creeley vsi->xdp_rings = devm_kcalloc(dev, vsi->num_xdp_txq, 2349efc2214bSMaciej Fijalkowski sizeof(*vsi->xdp_rings), GFP_KERNEL); 2350efc2214bSMaciej Fijalkowski if (!vsi->xdp_rings) 2351efc2214bSMaciej Fijalkowski return -ENOMEM; 2352efc2214bSMaciej Fijalkowski 2353efc2214bSMaciej Fijalkowski vsi->xdp_mapping_mode = xdp_qs_cfg.mapping_mode; 2354efc2214bSMaciej Fijalkowski if (__ice_vsi_get_qs(&xdp_qs_cfg)) 2355efc2214bSMaciej Fijalkowski goto err_map_xdp; 2356efc2214bSMaciej Fijalkowski 2357efc2214bSMaciej Fijalkowski if (ice_xdp_alloc_setup_rings(vsi)) 2358efc2214bSMaciej Fijalkowski goto clear_xdp_rings; 2359efc2214bSMaciej Fijalkowski 2360efc2214bSMaciej Fijalkowski /* follow the logic from ice_vsi_map_rings_to_vectors */ 2361efc2214bSMaciej Fijalkowski ice_for_each_q_vector(vsi, v_idx) { 2362efc2214bSMaciej Fijalkowski struct ice_q_vector *q_vector = vsi->q_vectors[v_idx]; 2363efc2214bSMaciej Fijalkowski int xdp_rings_per_v, q_id, q_base; 2364efc2214bSMaciej Fijalkowski 2365efc2214bSMaciej Fijalkowski xdp_rings_per_v = DIV_ROUND_UP(xdp_rings_rem, 2366efc2214bSMaciej Fijalkowski vsi->num_q_vectors - v_idx); 2367efc2214bSMaciej Fijalkowski q_base = vsi->num_xdp_txq - xdp_rings_rem; 2368efc2214bSMaciej Fijalkowski 2369efc2214bSMaciej Fijalkowski for (q_id = q_base; q_id < (q_base + xdp_rings_per_v); q_id++) { 2370efc2214bSMaciej Fijalkowski struct ice_ring *xdp_ring = vsi->xdp_rings[q_id]; 2371efc2214bSMaciej Fijalkowski 2372efc2214bSMaciej Fijalkowski xdp_ring->q_vector = q_vector; 2373efc2214bSMaciej Fijalkowski xdp_ring->next = q_vector->tx.ring; 2374efc2214bSMaciej Fijalkowski q_vector->tx.ring = xdp_ring; 2375efc2214bSMaciej Fijalkowski } 2376efc2214bSMaciej Fijalkowski xdp_rings_rem -= xdp_rings_per_v; 2377efc2214bSMaciej Fijalkowski } 2378efc2214bSMaciej Fijalkowski 2379efc2214bSMaciej Fijalkowski /* omit the scheduler update if in reset path; XDP queues will be 2380efc2214bSMaciej Fijalkowski * taken into account at the end of ice_vsi_rebuild, where 2381efc2214bSMaciej Fijalkowski * ice_cfg_vsi_lan is being called 2382efc2214bSMaciej Fijalkowski */ 2383efc2214bSMaciej Fijalkowski if (ice_is_reset_in_progress(pf->state)) 2384efc2214bSMaciej Fijalkowski return 0; 2385efc2214bSMaciej Fijalkowski 2386efc2214bSMaciej Fijalkowski /* tell the Tx scheduler that right now we have 2387efc2214bSMaciej Fijalkowski * additional queues 2388efc2214bSMaciej Fijalkowski */ 2389efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->tc_cfg.numtc; i++) 2390efc2214bSMaciej Fijalkowski max_txqs[i] = vsi->num_txq + vsi->num_xdp_txq; 2391efc2214bSMaciej Fijalkowski 2392efc2214bSMaciej Fijalkowski status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 2393efc2214bSMaciej Fijalkowski max_txqs); 2394efc2214bSMaciej Fijalkowski if (status) { 23950fee3577SLihong Yang dev_err(dev, "Failed VSI LAN queue config for XDP, error: %s\n", 23960fee3577SLihong Yang ice_stat_str(status)); 2397efc2214bSMaciej Fijalkowski goto clear_xdp_rings; 2398efc2214bSMaciej Fijalkowski } 2399efc2214bSMaciej Fijalkowski ice_vsi_assign_bpf_prog(vsi, prog); 2400efc2214bSMaciej Fijalkowski 2401efc2214bSMaciej Fijalkowski return 0; 2402efc2214bSMaciej Fijalkowski clear_xdp_rings: 2403efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->num_xdp_txq; i++) 2404efc2214bSMaciej Fijalkowski if (vsi->xdp_rings[i]) { 2405efc2214bSMaciej Fijalkowski kfree_rcu(vsi->xdp_rings[i], rcu); 2406efc2214bSMaciej Fijalkowski vsi->xdp_rings[i] = NULL; 2407efc2214bSMaciej Fijalkowski } 2408efc2214bSMaciej Fijalkowski 2409efc2214bSMaciej Fijalkowski err_map_xdp: 2410efc2214bSMaciej Fijalkowski mutex_lock(&pf->avail_q_mutex); 2411efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->num_xdp_txq; i++) { 2412efc2214bSMaciej Fijalkowski clear_bit(vsi->txq_map[i + vsi->alloc_txq], pf->avail_txqs); 2413efc2214bSMaciej Fijalkowski vsi->txq_map[i + vsi->alloc_txq] = ICE_INVAL_Q_INDEX; 2414efc2214bSMaciej Fijalkowski } 2415efc2214bSMaciej Fijalkowski mutex_unlock(&pf->avail_q_mutex); 2416efc2214bSMaciej Fijalkowski 24174015d11eSBrett Creeley devm_kfree(dev, vsi->xdp_rings); 2418efc2214bSMaciej Fijalkowski return -ENOMEM; 2419efc2214bSMaciej Fijalkowski } 2420efc2214bSMaciej Fijalkowski 2421efc2214bSMaciej Fijalkowski /** 2422efc2214bSMaciej Fijalkowski * ice_destroy_xdp_rings - undo the configuration made by ice_prepare_xdp_rings 2423efc2214bSMaciej Fijalkowski * @vsi: VSI to remove XDP rings 2424efc2214bSMaciej Fijalkowski * 2425efc2214bSMaciej Fijalkowski * Detach XDP rings from irq vectors, clean up the PF bitmap and free 2426efc2214bSMaciej Fijalkowski * resources 2427efc2214bSMaciej Fijalkowski */ 2428efc2214bSMaciej Fijalkowski int ice_destroy_xdp_rings(struct ice_vsi *vsi) 2429efc2214bSMaciej Fijalkowski { 2430efc2214bSMaciej Fijalkowski u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 2431efc2214bSMaciej Fijalkowski struct ice_pf *pf = vsi->back; 2432efc2214bSMaciej Fijalkowski int i, v_idx; 2433efc2214bSMaciej Fijalkowski 2434efc2214bSMaciej Fijalkowski /* q_vectors are freed in reset path so there's no point in detaching 2435ac382a09SBruce Allan * rings; in case of rebuild being triggered not from reset bits 2436efc2214bSMaciej Fijalkowski * in pf->state won't be set, so additionally check first q_vector 2437efc2214bSMaciej Fijalkowski * against NULL 2438efc2214bSMaciej Fijalkowski */ 2439efc2214bSMaciej Fijalkowski if (ice_is_reset_in_progress(pf->state) || !vsi->q_vectors[0]) 2440efc2214bSMaciej Fijalkowski goto free_qmap; 2441efc2214bSMaciej Fijalkowski 2442efc2214bSMaciej Fijalkowski ice_for_each_q_vector(vsi, v_idx) { 2443efc2214bSMaciej Fijalkowski struct ice_q_vector *q_vector = vsi->q_vectors[v_idx]; 2444efc2214bSMaciej Fijalkowski struct ice_ring *ring; 2445efc2214bSMaciej Fijalkowski 2446efc2214bSMaciej Fijalkowski ice_for_each_ring(ring, q_vector->tx) 2447efc2214bSMaciej Fijalkowski if (!ring->tx_buf || !ice_ring_is_xdp(ring)) 2448efc2214bSMaciej Fijalkowski break; 2449efc2214bSMaciej Fijalkowski 2450efc2214bSMaciej Fijalkowski /* restore the value of last node prior to XDP setup */ 2451efc2214bSMaciej Fijalkowski q_vector->tx.ring = ring; 2452efc2214bSMaciej Fijalkowski } 2453efc2214bSMaciej Fijalkowski 2454efc2214bSMaciej Fijalkowski free_qmap: 2455efc2214bSMaciej Fijalkowski mutex_lock(&pf->avail_q_mutex); 2456efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->num_xdp_txq; i++) { 2457efc2214bSMaciej Fijalkowski clear_bit(vsi->txq_map[i + vsi->alloc_txq], pf->avail_txqs); 2458efc2214bSMaciej Fijalkowski vsi->txq_map[i + vsi->alloc_txq] = ICE_INVAL_Q_INDEX; 2459efc2214bSMaciej Fijalkowski } 2460efc2214bSMaciej Fijalkowski mutex_unlock(&pf->avail_q_mutex); 2461efc2214bSMaciej Fijalkowski 2462efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->num_xdp_txq; i++) 2463efc2214bSMaciej Fijalkowski if (vsi->xdp_rings[i]) { 2464efc2214bSMaciej Fijalkowski if (vsi->xdp_rings[i]->desc) 2465efc2214bSMaciej Fijalkowski ice_free_tx_ring(vsi->xdp_rings[i]); 2466efc2214bSMaciej Fijalkowski kfree_rcu(vsi->xdp_rings[i], rcu); 2467efc2214bSMaciej Fijalkowski vsi->xdp_rings[i] = NULL; 2468efc2214bSMaciej Fijalkowski } 2469efc2214bSMaciej Fijalkowski 24704015d11eSBrett Creeley devm_kfree(ice_pf_to_dev(pf), vsi->xdp_rings); 2471efc2214bSMaciej Fijalkowski vsi->xdp_rings = NULL; 2472efc2214bSMaciej Fijalkowski 2473efc2214bSMaciej Fijalkowski if (ice_is_reset_in_progress(pf->state) || !vsi->q_vectors[0]) 2474efc2214bSMaciej Fijalkowski return 0; 2475efc2214bSMaciej Fijalkowski 2476efc2214bSMaciej Fijalkowski ice_vsi_assign_bpf_prog(vsi, NULL); 2477efc2214bSMaciej Fijalkowski 2478efc2214bSMaciej Fijalkowski /* notify Tx scheduler that we destroyed XDP queues and bring 2479efc2214bSMaciej Fijalkowski * back the old number of child nodes 2480efc2214bSMaciej Fijalkowski */ 2481efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->tc_cfg.numtc; i++) 2482efc2214bSMaciej Fijalkowski max_txqs[i] = vsi->num_txq; 2483efc2214bSMaciej Fijalkowski 2484c8f135c6SMarta Plantykow /* change number of XDP Tx queues to 0 */ 2485c8f135c6SMarta Plantykow vsi->num_xdp_txq = 0; 2486c8f135c6SMarta Plantykow 2487efc2214bSMaciej Fijalkowski return ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 2488efc2214bSMaciej Fijalkowski max_txqs); 2489efc2214bSMaciej Fijalkowski } 2490efc2214bSMaciej Fijalkowski 2491efc2214bSMaciej Fijalkowski /** 2492c7a21904SMichal Swiatkowski * ice_vsi_rx_napi_schedule - Schedule napi on RX queues from VSI 2493c7a21904SMichal Swiatkowski * @vsi: VSI to schedule napi on 2494c7a21904SMichal Swiatkowski */ 2495c7a21904SMichal Swiatkowski static void ice_vsi_rx_napi_schedule(struct ice_vsi *vsi) 2496c7a21904SMichal Swiatkowski { 2497c7a21904SMichal Swiatkowski int i; 2498c7a21904SMichal Swiatkowski 2499c7a21904SMichal Swiatkowski ice_for_each_rxq(vsi, i) { 2500c7a21904SMichal Swiatkowski struct ice_ring *rx_ring = vsi->rx_rings[i]; 2501c7a21904SMichal Swiatkowski 2502c7a21904SMichal Swiatkowski if (rx_ring->xsk_pool) 2503c7a21904SMichal Swiatkowski napi_schedule(&rx_ring->q_vector->napi); 2504c7a21904SMichal Swiatkowski } 2505c7a21904SMichal Swiatkowski } 2506c7a21904SMichal Swiatkowski 2507c7a21904SMichal Swiatkowski /** 2508efc2214bSMaciej Fijalkowski * ice_xdp_setup_prog - Add or remove XDP eBPF program 2509efc2214bSMaciej Fijalkowski * @vsi: VSI to setup XDP for 2510efc2214bSMaciej Fijalkowski * @prog: XDP program 2511efc2214bSMaciej Fijalkowski * @extack: netlink extended ack 2512efc2214bSMaciej Fijalkowski */ 2513efc2214bSMaciej Fijalkowski static int 2514efc2214bSMaciej Fijalkowski ice_xdp_setup_prog(struct ice_vsi *vsi, struct bpf_prog *prog, 2515efc2214bSMaciej Fijalkowski struct netlink_ext_ack *extack) 2516efc2214bSMaciej Fijalkowski { 2517efc2214bSMaciej Fijalkowski int frame_size = vsi->netdev->mtu + ICE_ETH_PKT_HDR_PAD; 2518efc2214bSMaciej Fijalkowski bool if_running = netif_running(vsi->netdev); 2519efc2214bSMaciej Fijalkowski int ret = 0, xdp_ring_err = 0; 2520efc2214bSMaciej Fijalkowski 2521efc2214bSMaciej Fijalkowski if (frame_size > vsi->rx_buf_len) { 2522efc2214bSMaciej Fijalkowski NL_SET_ERR_MSG_MOD(extack, "MTU too large for loading XDP"); 2523efc2214bSMaciej Fijalkowski return -EOPNOTSUPP; 2524efc2214bSMaciej Fijalkowski } 2525efc2214bSMaciej Fijalkowski 2526efc2214bSMaciej Fijalkowski /* need to stop netdev while setting up the program for Rx rings */ 2527efc2214bSMaciej Fijalkowski if (if_running && !test_and_set_bit(__ICE_DOWN, vsi->state)) { 2528efc2214bSMaciej Fijalkowski ret = ice_down(vsi); 2529efc2214bSMaciej Fijalkowski if (ret) { 2530af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(extack, "Preparing device for XDP attach failed"); 2531efc2214bSMaciej Fijalkowski return ret; 2532efc2214bSMaciej Fijalkowski } 2533efc2214bSMaciej Fijalkowski } 2534efc2214bSMaciej Fijalkowski 2535efc2214bSMaciej Fijalkowski if (!ice_is_xdp_ena_vsi(vsi) && prog) { 2536ae15e0baSMarta Plantykow vsi->num_xdp_txq = vsi->alloc_rxq; 2537efc2214bSMaciej Fijalkowski xdp_ring_err = ice_prepare_xdp_rings(vsi, prog); 2538efc2214bSMaciej Fijalkowski if (xdp_ring_err) 2539af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(extack, "Setting up XDP Tx resources failed"); 2540efc2214bSMaciej Fijalkowski } else if (ice_is_xdp_ena_vsi(vsi) && !prog) { 2541efc2214bSMaciej Fijalkowski xdp_ring_err = ice_destroy_xdp_rings(vsi); 2542efc2214bSMaciej Fijalkowski if (xdp_ring_err) 2543af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(extack, "Freeing XDP Tx resources failed"); 2544efc2214bSMaciej Fijalkowski } else { 2545efc2214bSMaciej Fijalkowski ice_vsi_assign_bpf_prog(vsi, prog); 2546efc2214bSMaciej Fijalkowski } 2547efc2214bSMaciej Fijalkowski 2548efc2214bSMaciej Fijalkowski if (if_running) 2549efc2214bSMaciej Fijalkowski ret = ice_up(vsi); 2550efc2214bSMaciej Fijalkowski 2551c7a21904SMichal Swiatkowski if (!ret && prog) 2552c7a21904SMichal Swiatkowski ice_vsi_rx_napi_schedule(vsi); 25532d4238f5SKrzysztof Kazimierczak 2554efc2214bSMaciej Fijalkowski return (ret || xdp_ring_err) ? -ENOMEM : 0; 2555efc2214bSMaciej Fijalkowski } 2556efc2214bSMaciej Fijalkowski 2557efc2214bSMaciej Fijalkowski /** 2558efc2214bSMaciej Fijalkowski * ice_xdp - implements XDP handler 2559efc2214bSMaciej Fijalkowski * @dev: netdevice 2560efc2214bSMaciej Fijalkowski * @xdp: XDP command 2561efc2214bSMaciej Fijalkowski */ 2562efc2214bSMaciej Fijalkowski static int ice_xdp(struct net_device *dev, struct netdev_bpf *xdp) 2563efc2214bSMaciej Fijalkowski { 2564efc2214bSMaciej Fijalkowski struct ice_netdev_priv *np = netdev_priv(dev); 2565efc2214bSMaciej Fijalkowski struct ice_vsi *vsi = np->vsi; 2566efc2214bSMaciej Fijalkowski 2567efc2214bSMaciej Fijalkowski if (vsi->type != ICE_VSI_PF) { 2568af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(xdp->extack, "XDP can be loaded only on PF VSI"); 2569efc2214bSMaciej Fijalkowski return -EINVAL; 2570efc2214bSMaciej Fijalkowski } 2571efc2214bSMaciej Fijalkowski 2572efc2214bSMaciej Fijalkowski switch (xdp->command) { 2573efc2214bSMaciej Fijalkowski case XDP_SETUP_PROG: 2574efc2214bSMaciej Fijalkowski return ice_xdp_setup_prog(vsi, xdp->prog, xdp->extack); 25751742b3d5SMagnus Karlsson case XDP_SETUP_XSK_POOL: 25761742b3d5SMagnus Karlsson return ice_xsk_pool_setup(vsi, xdp->xsk.pool, 25772d4238f5SKrzysztof Kazimierczak xdp->xsk.queue_id); 2578efc2214bSMaciej Fijalkowski default: 2579efc2214bSMaciej Fijalkowski return -EINVAL; 2580efc2214bSMaciej Fijalkowski } 2581efc2214bSMaciej Fijalkowski } 2582efc2214bSMaciej Fijalkowski 2583efc2214bSMaciej Fijalkowski /** 2584940b61afSAnirudh Venkataramanan * ice_ena_misc_vector - enable the non-queue interrupts 2585940b61afSAnirudh Venkataramanan * @pf: board private structure 2586940b61afSAnirudh Venkataramanan */ 2587940b61afSAnirudh Venkataramanan static void ice_ena_misc_vector(struct ice_pf *pf) 2588940b61afSAnirudh Venkataramanan { 2589940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 2590940b61afSAnirudh Venkataramanan u32 val; 2591940b61afSAnirudh Venkataramanan 25929d5c5a52SPaul Greenwalt /* Disable anti-spoof detection interrupt to prevent spurious event 25939d5c5a52SPaul Greenwalt * interrupts during a function reset. Anti-spoof functionally is 25949d5c5a52SPaul Greenwalt * still supported. 25959d5c5a52SPaul Greenwalt */ 25969d5c5a52SPaul Greenwalt val = rd32(hw, GL_MDCK_TX_TDPU); 25979d5c5a52SPaul Greenwalt val |= GL_MDCK_TX_TDPU_RCU_ANTISPOOF_ITR_DIS_M; 25989d5c5a52SPaul Greenwalt wr32(hw, GL_MDCK_TX_TDPU, val); 25999d5c5a52SPaul Greenwalt 2600940b61afSAnirudh Venkataramanan /* clear things first */ 2601940b61afSAnirudh Venkataramanan wr32(hw, PFINT_OICR_ENA, 0); /* disable all */ 2602940b61afSAnirudh Venkataramanan rd32(hw, PFINT_OICR); /* read to clear */ 2603940b61afSAnirudh Venkataramanan 26043bcd7fa3SBruce Allan val = (PFINT_OICR_ECC_ERR_M | 2605940b61afSAnirudh Venkataramanan PFINT_OICR_MAL_DETECT_M | 2606940b61afSAnirudh Venkataramanan PFINT_OICR_GRST_M | 2607940b61afSAnirudh Venkataramanan PFINT_OICR_PCI_EXCEPTION_M | 2608007676b4SAnirudh Venkataramanan PFINT_OICR_VFLR_M | 26093bcd7fa3SBruce Allan PFINT_OICR_HMC_ERR_M | 26103bcd7fa3SBruce Allan PFINT_OICR_PE_CRITERR_M); 2611940b61afSAnirudh Venkataramanan 2612940b61afSAnirudh Venkataramanan wr32(hw, PFINT_OICR_ENA, val); 2613940b61afSAnirudh Venkataramanan 2614940b61afSAnirudh Venkataramanan /* SW_ITR_IDX = 0, but don't change INTENA */ 2615cbe66bfeSBrett Creeley wr32(hw, GLINT_DYN_CTL(pf->oicr_idx), 2616940b61afSAnirudh Venkataramanan GLINT_DYN_CTL_SW_ITR_INDX_M | GLINT_DYN_CTL_INTENA_MSK_M); 2617940b61afSAnirudh Venkataramanan } 2618940b61afSAnirudh Venkataramanan 2619940b61afSAnirudh Venkataramanan /** 2620940b61afSAnirudh Venkataramanan * ice_misc_intr - misc interrupt handler 2621940b61afSAnirudh Venkataramanan * @irq: interrupt number 2622940b61afSAnirudh Venkataramanan * @data: pointer to a q_vector 2623940b61afSAnirudh Venkataramanan */ 2624940b61afSAnirudh Venkataramanan static irqreturn_t ice_misc_intr(int __always_unused irq, void *data) 2625940b61afSAnirudh Venkataramanan { 2626940b61afSAnirudh Venkataramanan struct ice_pf *pf = (struct ice_pf *)data; 2627940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 2628940b61afSAnirudh Venkataramanan irqreturn_t ret = IRQ_NONE; 26294015d11eSBrett Creeley struct device *dev; 2630940b61afSAnirudh Venkataramanan u32 oicr, ena_mask; 2631940b61afSAnirudh Venkataramanan 26324015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 2633940b61afSAnirudh Venkataramanan set_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state); 263475d2b253SAnirudh Venkataramanan set_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state); 2635940b61afSAnirudh Venkataramanan 2636940b61afSAnirudh Venkataramanan oicr = rd32(hw, PFINT_OICR); 2637940b61afSAnirudh Venkataramanan ena_mask = rd32(hw, PFINT_OICR_ENA); 2638940b61afSAnirudh Venkataramanan 26390e674aebSAnirudh Venkataramanan if (oicr & PFINT_OICR_SWINT_M) { 26400e674aebSAnirudh Venkataramanan ena_mask &= ~PFINT_OICR_SWINT_M; 26410e674aebSAnirudh Venkataramanan pf->sw_int_count++; 26420e674aebSAnirudh Venkataramanan } 26430e674aebSAnirudh Venkataramanan 2644b3969fd7SSudheer Mogilappagari if (oicr & PFINT_OICR_MAL_DETECT_M) { 2645b3969fd7SSudheer Mogilappagari ena_mask &= ~PFINT_OICR_MAL_DETECT_M; 2646b3969fd7SSudheer Mogilappagari set_bit(__ICE_MDD_EVENT_PENDING, pf->state); 2647b3969fd7SSudheer Mogilappagari } 2648007676b4SAnirudh Venkataramanan if (oicr & PFINT_OICR_VFLR_M) { 2649f844d521SBrett Creeley /* disable any further VFLR event notifications */ 2650f844d521SBrett Creeley if (test_bit(__ICE_VF_RESETS_DISABLED, pf->state)) { 2651f844d521SBrett Creeley u32 reg = rd32(hw, PFINT_OICR_ENA); 2652f844d521SBrett Creeley 2653f844d521SBrett Creeley reg &= ~PFINT_OICR_VFLR_M; 2654f844d521SBrett Creeley wr32(hw, PFINT_OICR_ENA, reg); 2655f844d521SBrett Creeley } else { 2656007676b4SAnirudh Venkataramanan ena_mask &= ~PFINT_OICR_VFLR_M; 2657007676b4SAnirudh Venkataramanan set_bit(__ICE_VFLR_EVENT_PENDING, pf->state); 2658007676b4SAnirudh Venkataramanan } 2659f844d521SBrett Creeley } 2660b3969fd7SSudheer Mogilappagari 26610b28b702SAnirudh Venkataramanan if (oicr & PFINT_OICR_GRST_M) { 26620b28b702SAnirudh Venkataramanan u32 reset; 2663b3969fd7SSudheer Mogilappagari 26640b28b702SAnirudh Venkataramanan /* we have a reset warning */ 26650b28b702SAnirudh Venkataramanan ena_mask &= ~PFINT_OICR_GRST_M; 26660b28b702SAnirudh Venkataramanan reset = (rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_RESET_TYPE_M) >> 26670b28b702SAnirudh Venkataramanan GLGEN_RSTAT_RESET_TYPE_S; 26680b28b702SAnirudh Venkataramanan 26690b28b702SAnirudh Venkataramanan if (reset == ICE_RESET_CORER) 26700b28b702SAnirudh Venkataramanan pf->corer_count++; 26710b28b702SAnirudh Venkataramanan else if (reset == ICE_RESET_GLOBR) 26720b28b702SAnirudh Venkataramanan pf->globr_count++; 2673ca4929b6SBrett Creeley else if (reset == ICE_RESET_EMPR) 26740b28b702SAnirudh Venkataramanan pf->empr_count++; 2675ca4929b6SBrett Creeley else 26764015d11eSBrett Creeley dev_dbg(dev, "Invalid reset type %d\n", reset); 26770b28b702SAnirudh Venkataramanan 26780b28b702SAnirudh Venkataramanan /* If a reset cycle isn't already in progress, we set a bit in 26790b28b702SAnirudh Venkataramanan * pf->state so that the service task can start a reset/rebuild. 26800b28b702SAnirudh Venkataramanan * We also make note of which reset happened so that peer 26810b28b702SAnirudh Venkataramanan * devices/drivers can be informed. 26820b28b702SAnirudh Venkataramanan */ 26835df7e45dSDave Ertman if (!test_and_set_bit(__ICE_RESET_OICR_RECV, pf->state)) { 26840b28b702SAnirudh Venkataramanan if (reset == ICE_RESET_CORER) 26850b28b702SAnirudh Venkataramanan set_bit(__ICE_CORER_RECV, pf->state); 26860b28b702SAnirudh Venkataramanan else if (reset == ICE_RESET_GLOBR) 26870b28b702SAnirudh Venkataramanan set_bit(__ICE_GLOBR_RECV, pf->state); 26880b28b702SAnirudh Venkataramanan else 26890b28b702SAnirudh Venkataramanan set_bit(__ICE_EMPR_RECV, pf->state); 26900b28b702SAnirudh Venkataramanan 2691fd2a9817SAnirudh Venkataramanan /* There are couple of different bits at play here. 2692fd2a9817SAnirudh Venkataramanan * hw->reset_ongoing indicates whether the hardware is 2693fd2a9817SAnirudh Venkataramanan * in reset. This is set to true when a reset interrupt 2694fd2a9817SAnirudh Venkataramanan * is received and set back to false after the driver 2695fd2a9817SAnirudh Venkataramanan * has determined that the hardware is out of reset. 2696fd2a9817SAnirudh Venkataramanan * 26975df7e45dSDave Ertman * __ICE_RESET_OICR_RECV in pf->state indicates 2698fd2a9817SAnirudh Venkataramanan * that a post reset rebuild is required before the 2699fd2a9817SAnirudh Venkataramanan * driver is operational again. This is set above. 2700fd2a9817SAnirudh Venkataramanan * 2701fd2a9817SAnirudh Venkataramanan * As this is the start of the reset/rebuild cycle, set 2702fd2a9817SAnirudh Venkataramanan * both to indicate that. 2703fd2a9817SAnirudh Venkataramanan */ 2704fd2a9817SAnirudh Venkataramanan hw->reset_ongoing = true; 27050b28b702SAnirudh Venkataramanan } 27060b28b702SAnirudh Venkataramanan } 27070b28b702SAnirudh Venkataramanan 2708940b61afSAnirudh Venkataramanan if (oicr & PFINT_OICR_HMC_ERR_M) { 2709940b61afSAnirudh Venkataramanan ena_mask &= ~PFINT_OICR_HMC_ERR_M; 27104015d11eSBrett Creeley dev_dbg(dev, "HMC Error interrupt - info 0x%x, data 0x%x\n", 2711940b61afSAnirudh Venkataramanan rd32(hw, PFHMC_ERRORINFO), 2712940b61afSAnirudh Venkataramanan rd32(hw, PFHMC_ERRORDATA)); 2713940b61afSAnirudh Venkataramanan } 2714940b61afSAnirudh Venkataramanan 27158d7189d2SMd Fahad Iqbal Polash /* Report any remaining unexpected interrupts */ 2716940b61afSAnirudh Venkataramanan oicr &= ena_mask; 2717940b61afSAnirudh Venkataramanan if (oicr) { 27184015d11eSBrett Creeley dev_dbg(dev, "unhandled interrupt oicr=0x%08x\n", oicr); 2719940b61afSAnirudh Venkataramanan /* If a critical error is pending there is no choice but to 2720940b61afSAnirudh Venkataramanan * reset the device. 2721940b61afSAnirudh Venkataramanan */ 2722940b61afSAnirudh Venkataramanan if (oicr & (PFINT_OICR_PE_CRITERR_M | 2723940b61afSAnirudh Venkataramanan PFINT_OICR_PCI_EXCEPTION_M | 27240b28b702SAnirudh Venkataramanan PFINT_OICR_ECC_ERR_M)) { 2725940b61afSAnirudh Venkataramanan set_bit(__ICE_PFR_REQ, pf->state); 27260b28b702SAnirudh Venkataramanan ice_service_task_schedule(pf); 27270b28b702SAnirudh Venkataramanan } 2728940b61afSAnirudh Venkataramanan } 2729940b61afSAnirudh Venkataramanan ret = IRQ_HANDLED; 2730940b61afSAnirudh Venkataramanan 2731940b61afSAnirudh Venkataramanan ice_service_task_schedule(pf); 2732cdedef59SAnirudh Venkataramanan ice_irq_dynamic_ena(hw, NULL, NULL); 2733940b61afSAnirudh Venkataramanan 2734940b61afSAnirudh Venkataramanan return ret; 2735940b61afSAnirudh Venkataramanan } 2736940b61afSAnirudh Venkataramanan 2737940b61afSAnirudh Venkataramanan /** 27380e04e8e1SBrett Creeley * ice_dis_ctrlq_interrupts - disable control queue interrupts 27390e04e8e1SBrett Creeley * @hw: pointer to HW structure 27400e04e8e1SBrett Creeley */ 27410e04e8e1SBrett Creeley static void ice_dis_ctrlq_interrupts(struct ice_hw *hw) 27420e04e8e1SBrett Creeley { 27430e04e8e1SBrett Creeley /* disable Admin queue Interrupt causes */ 27440e04e8e1SBrett Creeley wr32(hw, PFINT_FW_CTL, 27450e04e8e1SBrett Creeley rd32(hw, PFINT_FW_CTL) & ~PFINT_FW_CTL_CAUSE_ENA_M); 27460e04e8e1SBrett Creeley 27470e04e8e1SBrett Creeley /* disable Mailbox queue Interrupt causes */ 27480e04e8e1SBrett Creeley wr32(hw, PFINT_MBX_CTL, 27490e04e8e1SBrett Creeley rd32(hw, PFINT_MBX_CTL) & ~PFINT_MBX_CTL_CAUSE_ENA_M); 27500e04e8e1SBrett Creeley 27510e04e8e1SBrett Creeley /* disable Control queue Interrupt causes */ 27520e04e8e1SBrett Creeley wr32(hw, PFINT_OICR_CTL, 27530e04e8e1SBrett Creeley rd32(hw, PFINT_OICR_CTL) & ~PFINT_OICR_CTL_CAUSE_ENA_M); 27540e04e8e1SBrett Creeley 27550e04e8e1SBrett Creeley ice_flush(hw); 27560e04e8e1SBrett Creeley } 27570e04e8e1SBrett Creeley 27580e04e8e1SBrett Creeley /** 2759940b61afSAnirudh Venkataramanan * ice_free_irq_msix_misc - Unroll misc vector setup 2760940b61afSAnirudh Venkataramanan * @pf: board private structure 2761940b61afSAnirudh Venkataramanan */ 2762940b61afSAnirudh Venkataramanan static void ice_free_irq_msix_misc(struct ice_pf *pf) 2763940b61afSAnirudh Venkataramanan { 27640e04e8e1SBrett Creeley struct ice_hw *hw = &pf->hw; 27650e04e8e1SBrett Creeley 27660e04e8e1SBrett Creeley ice_dis_ctrlq_interrupts(hw); 27670e04e8e1SBrett Creeley 2768940b61afSAnirudh Venkataramanan /* disable OICR interrupt */ 27690e04e8e1SBrett Creeley wr32(hw, PFINT_OICR_ENA, 0); 27700e04e8e1SBrett Creeley ice_flush(hw); 2771940b61afSAnirudh Venkataramanan 2772ba880734SBrett Creeley if (pf->msix_entries) { 2773cbe66bfeSBrett Creeley synchronize_irq(pf->msix_entries[pf->oicr_idx].vector); 27744015d11eSBrett Creeley devm_free_irq(ice_pf_to_dev(pf), 2775cbe66bfeSBrett Creeley pf->msix_entries[pf->oicr_idx].vector, pf); 2776940b61afSAnirudh Venkataramanan } 2777940b61afSAnirudh Venkataramanan 2778eb0208ecSPreethi Banala pf->num_avail_sw_msix += 1; 2779cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, pf->oicr_idx, ICE_RES_MISC_VEC_ID); 2780940b61afSAnirudh Venkataramanan } 2781940b61afSAnirudh Venkataramanan 2782940b61afSAnirudh Venkataramanan /** 27830e04e8e1SBrett Creeley * ice_ena_ctrlq_interrupts - enable control queue interrupts 27840e04e8e1SBrett Creeley * @hw: pointer to HW structure 2785b07833a0SBrett Creeley * @reg_idx: HW vector index to associate the control queue interrupts with 27860e04e8e1SBrett Creeley */ 2787b07833a0SBrett Creeley static void ice_ena_ctrlq_interrupts(struct ice_hw *hw, u16 reg_idx) 27880e04e8e1SBrett Creeley { 27890e04e8e1SBrett Creeley u32 val; 27900e04e8e1SBrett Creeley 2791b07833a0SBrett Creeley val = ((reg_idx & PFINT_OICR_CTL_MSIX_INDX_M) | 27920e04e8e1SBrett Creeley PFINT_OICR_CTL_CAUSE_ENA_M); 27930e04e8e1SBrett Creeley wr32(hw, PFINT_OICR_CTL, val); 27940e04e8e1SBrett Creeley 27950e04e8e1SBrett Creeley /* enable Admin queue Interrupt causes */ 2796b07833a0SBrett Creeley val = ((reg_idx & PFINT_FW_CTL_MSIX_INDX_M) | 27970e04e8e1SBrett Creeley PFINT_FW_CTL_CAUSE_ENA_M); 27980e04e8e1SBrett Creeley wr32(hw, PFINT_FW_CTL, val); 27990e04e8e1SBrett Creeley 28000e04e8e1SBrett Creeley /* enable Mailbox queue Interrupt causes */ 2801b07833a0SBrett Creeley val = ((reg_idx & PFINT_MBX_CTL_MSIX_INDX_M) | 28020e04e8e1SBrett Creeley PFINT_MBX_CTL_CAUSE_ENA_M); 28030e04e8e1SBrett Creeley wr32(hw, PFINT_MBX_CTL, val); 28040e04e8e1SBrett Creeley 28050e04e8e1SBrett Creeley ice_flush(hw); 28060e04e8e1SBrett Creeley } 28070e04e8e1SBrett Creeley 28080e04e8e1SBrett Creeley /** 2809940b61afSAnirudh Venkataramanan * ice_req_irq_msix_misc - Setup the misc vector to handle non queue events 2810940b61afSAnirudh Venkataramanan * @pf: board private structure 2811940b61afSAnirudh Venkataramanan * 2812940b61afSAnirudh Venkataramanan * This sets up the handler for MSIX 0, which is used to manage the 2813940b61afSAnirudh Venkataramanan * non-queue interrupts, e.g. AdminQ and errors. This is not used 2814940b61afSAnirudh Venkataramanan * when in MSI or Legacy interrupt mode. 2815940b61afSAnirudh Venkataramanan */ 2816940b61afSAnirudh Venkataramanan static int ice_req_irq_msix_misc(struct ice_pf *pf) 2817940b61afSAnirudh Venkataramanan { 28184015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 2819940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 2820940b61afSAnirudh Venkataramanan int oicr_idx, err = 0; 2821940b61afSAnirudh Venkataramanan 2822940b61afSAnirudh Venkataramanan if (!pf->int_name[0]) 2823940b61afSAnirudh Venkataramanan snprintf(pf->int_name, sizeof(pf->int_name) - 1, "%s-%s:misc", 28244015d11eSBrett Creeley dev_driver_string(dev), dev_name(dev)); 2825940b61afSAnirudh Venkataramanan 28260b28b702SAnirudh Venkataramanan /* Do not request IRQ but do enable OICR interrupt since settings are 28270b28b702SAnirudh Venkataramanan * lost during reset. Note that this function is called only during 28280b28b702SAnirudh Venkataramanan * rebuild path and not while reset is in progress. 28290b28b702SAnirudh Venkataramanan */ 28305df7e45dSDave Ertman if (ice_is_reset_in_progress(pf->state)) 28310b28b702SAnirudh Venkataramanan goto skip_req_irq; 28320b28b702SAnirudh Venkataramanan 2833cbe66bfeSBrett Creeley /* reserve one vector in irq_tracker for misc interrupts */ 2834cbe66bfeSBrett Creeley oicr_idx = ice_get_res(pf, pf->irq_tracker, 1, ICE_RES_MISC_VEC_ID); 2835940b61afSAnirudh Venkataramanan if (oicr_idx < 0) 2836940b61afSAnirudh Venkataramanan return oicr_idx; 2837940b61afSAnirudh Venkataramanan 2838eb0208ecSPreethi Banala pf->num_avail_sw_msix -= 1; 283988865fc4SKarol Kolacinski pf->oicr_idx = (u16)oicr_idx; 2840940b61afSAnirudh Venkataramanan 28414015d11eSBrett Creeley err = devm_request_irq(dev, pf->msix_entries[pf->oicr_idx].vector, 2842940b61afSAnirudh Venkataramanan ice_misc_intr, 0, pf->int_name, pf); 2843940b61afSAnirudh Venkataramanan if (err) { 28444015d11eSBrett Creeley dev_err(dev, "devm_request_irq for %s failed: %d\n", 2845940b61afSAnirudh Venkataramanan pf->int_name, err); 2846cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, 1, ICE_RES_MISC_VEC_ID); 2847eb0208ecSPreethi Banala pf->num_avail_sw_msix += 1; 2848940b61afSAnirudh Venkataramanan return err; 2849940b61afSAnirudh Venkataramanan } 2850940b61afSAnirudh Venkataramanan 28510b28b702SAnirudh Venkataramanan skip_req_irq: 2852940b61afSAnirudh Venkataramanan ice_ena_misc_vector(pf); 2853940b61afSAnirudh Venkataramanan 2854cbe66bfeSBrett Creeley ice_ena_ctrlq_interrupts(hw, pf->oicr_idx); 2855cbe66bfeSBrett Creeley wr32(hw, GLINT_ITR(ICE_RX_ITR, pf->oicr_idx), 285663f545edSBrett Creeley ITR_REG_ALIGN(ICE_ITR_8K) >> ICE_ITR_GRAN_S); 2857940b61afSAnirudh Venkataramanan 2858940b61afSAnirudh Venkataramanan ice_flush(hw); 2859cdedef59SAnirudh Venkataramanan ice_irq_dynamic_ena(hw, NULL, NULL); 2860940b61afSAnirudh Venkataramanan 2861940b61afSAnirudh Venkataramanan return 0; 2862940b61afSAnirudh Venkataramanan } 2863940b61afSAnirudh Venkataramanan 2864940b61afSAnirudh Venkataramanan /** 2865df0f8479SAnirudh Venkataramanan * ice_napi_add - register NAPI handler for the VSI 2866df0f8479SAnirudh Venkataramanan * @vsi: VSI for which NAPI handler is to be registered 2867df0f8479SAnirudh Venkataramanan * 2868df0f8479SAnirudh Venkataramanan * This function is only called in the driver's load path. Registering the NAPI 2869df0f8479SAnirudh Venkataramanan * handler is done in ice_vsi_alloc_q_vector() for all other cases (i.e. resume, 2870df0f8479SAnirudh Venkataramanan * reset/rebuild, etc.) 2871df0f8479SAnirudh Venkataramanan */ 2872df0f8479SAnirudh Venkataramanan static void ice_napi_add(struct ice_vsi *vsi) 2873df0f8479SAnirudh Venkataramanan { 2874df0f8479SAnirudh Venkataramanan int v_idx; 2875df0f8479SAnirudh Venkataramanan 2876df0f8479SAnirudh Venkataramanan if (!vsi->netdev) 2877df0f8479SAnirudh Venkataramanan return; 2878df0f8479SAnirudh Venkataramanan 28790c2561c8SBrett Creeley ice_for_each_q_vector(vsi, v_idx) 2880df0f8479SAnirudh Venkataramanan netif_napi_add(vsi->netdev, &vsi->q_vectors[v_idx]->napi, 2881df0f8479SAnirudh Venkataramanan ice_napi_poll, NAPI_POLL_WEIGHT); 2882df0f8479SAnirudh Venkataramanan } 2883df0f8479SAnirudh Venkataramanan 2884df0f8479SAnirudh Venkataramanan /** 2885462acf6aSTony Nguyen * ice_set_ops - set netdev and ethtools ops for the given netdev 2886462acf6aSTony Nguyen * @netdev: netdev instance 28873a858ba3SAnirudh Venkataramanan */ 2888462acf6aSTony Nguyen static void ice_set_ops(struct net_device *netdev) 28893a858ba3SAnirudh Venkataramanan { 2890462acf6aSTony Nguyen struct ice_pf *pf = ice_netdev_to_pf(netdev); 2891462acf6aSTony Nguyen 2892462acf6aSTony Nguyen if (ice_is_safe_mode(pf)) { 2893462acf6aSTony Nguyen netdev->netdev_ops = &ice_netdev_safe_mode_ops; 2894462acf6aSTony Nguyen ice_set_ethtool_safe_mode_ops(netdev); 2895462acf6aSTony Nguyen return; 2896462acf6aSTony Nguyen } 2897462acf6aSTony Nguyen 2898462acf6aSTony Nguyen netdev->netdev_ops = &ice_netdev_ops; 2899b20e6c17SJakub Kicinski netdev->udp_tunnel_nic_info = &pf->hw.udp_tunnel_nic; 2900462acf6aSTony Nguyen ice_set_ethtool_ops(netdev); 2901462acf6aSTony Nguyen } 2902462acf6aSTony Nguyen 2903462acf6aSTony Nguyen /** 2904462acf6aSTony Nguyen * ice_set_netdev_features - set features for the given netdev 2905462acf6aSTony Nguyen * @netdev: netdev instance 2906462acf6aSTony Nguyen */ 2907462acf6aSTony Nguyen static void ice_set_netdev_features(struct net_device *netdev) 2908462acf6aSTony Nguyen { 2909462acf6aSTony Nguyen struct ice_pf *pf = ice_netdev_to_pf(netdev); 2910d76a60baSAnirudh Venkataramanan netdev_features_t csumo_features; 2911d76a60baSAnirudh Venkataramanan netdev_features_t vlano_features; 2912d76a60baSAnirudh Venkataramanan netdev_features_t dflt_features; 2913d76a60baSAnirudh Venkataramanan netdev_features_t tso_features; 29143a858ba3SAnirudh Venkataramanan 2915462acf6aSTony Nguyen if (ice_is_safe_mode(pf)) { 2916462acf6aSTony Nguyen /* safe mode */ 2917462acf6aSTony Nguyen netdev->features = NETIF_F_SG | NETIF_F_HIGHDMA; 2918462acf6aSTony Nguyen netdev->hw_features = netdev->features; 2919462acf6aSTony Nguyen return; 2920462acf6aSTony Nguyen } 29213a858ba3SAnirudh Venkataramanan 2922d76a60baSAnirudh Venkataramanan dflt_features = NETIF_F_SG | 29233a858ba3SAnirudh Venkataramanan NETIF_F_HIGHDMA | 2924148beb61SHenry Tieman NETIF_F_NTUPLE | 29253a858ba3SAnirudh Venkataramanan NETIF_F_RXHASH; 29263a858ba3SAnirudh Venkataramanan 2927d76a60baSAnirudh Venkataramanan csumo_features = NETIF_F_RXCSUM | 2928d76a60baSAnirudh Venkataramanan NETIF_F_IP_CSUM | 2929cf909e19SAnirudh Venkataramanan NETIF_F_SCTP_CRC | 2930d76a60baSAnirudh Venkataramanan NETIF_F_IPV6_CSUM; 2931d76a60baSAnirudh Venkataramanan 2932d76a60baSAnirudh Venkataramanan vlano_features = NETIF_F_HW_VLAN_CTAG_FILTER | 2933d76a60baSAnirudh Venkataramanan NETIF_F_HW_VLAN_CTAG_TX | 2934d76a60baSAnirudh Venkataramanan NETIF_F_HW_VLAN_CTAG_RX; 2935d76a60baSAnirudh Venkataramanan 2936a54e3b8cSBrett Creeley tso_features = NETIF_F_TSO | 2937a4e82a81STony Nguyen NETIF_F_TSO_ECN | 2938a4e82a81STony Nguyen NETIF_F_TSO6 | 2939a4e82a81STony Nguyen NETIF_F_GSO_GRE | 2940a4e82a81STony Nguyen NETIF_F_GSO_UDP_TUNNEL | 2941a4e82a81STony Nguyen NETIF_F_GSO_GRE_CSUM | 2942a4e82a81STony Nguyen NETIF_F_GSO_UDP_TUNNEL_CSUM | 2943a4e82a81STony Nguyen NETIF_F_GSO_PARTIAL | 2944a4e82a81STony Nguyen NETIF_F_GSO_IPXIP4 | 2945a4e82a81STony Nguyen NETIF_F_GSO_IPXIP6 | 2946a54e3b8cSBrett Creeley NETIF_F_GSO_UDP_L4; 2947d76a60baSAnirudh Venkataramanan 2948a4e82a81STony Nguyen netdev->gso_partial_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM | 2949a4e82a81STony Nguyen NETIF_F_GSO_GRE_CSUM; 2950d76a60baSAnirudh Venkataramanan /* set features that user can change */ 2951d76a60baSAnirudh Venkataramanan netdev->hw_features = dflt_features | csumo_features | 2952d76a60baSAnirudh Venkataramanan vlano_features | tso_features; 2953d76a60baSAnirudh Venkataramanan 2954a4e82a81STony Nguyen /* add support for HW_CSUM on packets with MPLS header */ 2955a4e82a81STony Nguyen netdev->mpls_features = NETIF_F_HW_CSUM; 2956a4e82a81STony Nguyen 29573a858ba3SAnirudh Venkataramanan /* enable features */ 29583a858ba3SAnirudh Venkataramanan netdev->features |= netdev->hw_features; 2959d76a60baSAnirudh Venkataramanan /* encap and VLAN devices inherit default, csumo and tso features */ 2960d76a60baSAnirudh Venkataramanan netdev->hw_enc_features |= dflt_features | csumo_features | 2961d76a60baSAnirudh Venkataramanan tso_features; 2962d76a60baSAnirudh Venkataramanan netdev->vlan_features |= dflt_features | csumo_features | 2963d76a60baSAnirudh Venkataramanan tso_features; 2964462acf6aSTony Nguyen } 2965462acf6aSTony Nguyen 2966462acf6aSTony Nguyen /** 2967462acf6aSTony Nguyen * ice_cfg_netdev - Allocate, configure and register a netdev 2968462acf6aSTony Nguyen * @vsi: the VSI associated with the new netdev 2969462acf6aSTony Nguyen * 2970462acf6aSTony Nguyen * Returns 0 on success, negative value on failure 2971462acf6aSTony Nguyen */ 2972462acf6aSTony Nguyen static int ice_cfg_netdev(struct ice_vsi *vsi) 2973462acf6aSTony Nguyen { 2974462acf6aSTony Nguyen struct ice_pf *pf = vsi->back; 2975462acf6aSTony Nguyen struct ice_netdev_priv *np; 2976462acf6aSTony Nguyen struct net_device *netdev; 2977462acf6aSTony Nguyen u8 mac_addr[ETH_ALEN]; 2978462acf6aSTony Nguyen int err; 2979462acf6aSTony Nguyen 298048d40025SJacob Keller err = ice_devlink_create_port(vsi); 29811adf7eadSJacob Keller if (err) 29821adf7eadSJacob Keller return err; 29831adf7eadSJacob Keller 2984462acf6aSTony Nguyen netdev = alloc_etherdev_mqs(sizeof(*np), vsi->alloc_txq, 2985462acf6aSTony Nguyen vsi->alloc_rxq); 29861adf7eadSJacob Keller if (!netdev) { 29871adf7eadSJacob Keller err = -ENOMEM; 29881adf7eadSJacob Keller goto err_destroy_devlink_port; 29891adf7eadSJacob Keller } 2990462acf6aSTony Nguyen 2991462acf6aSTony Nguyen vsi->netdev = netdev; 2992462acf6aSTony Nguyen np = netdev_priv(netdev); 2993462acf6aSTony Nguyen np->vsi = vsi; 2994462acf6aSTony Nguyen 2995462acf6aSTony Nguyen ice_set_netdev_features(netdev); 2996462acf6aSTony Nguyen 2997462acf6aSTony Nguyen ice_set_ops(netdev); 29983a858ba3SAnirudh Venkataramanan 29993a858ba3SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF) { 30004015d11eSBrett Creeley SET_NETDEV_DEV(netdev, ice_pf_to_dev(pf)); 30013a858ba3SAnirudh Venkataramanan ether_addr_copy(mac_addr, vsi->port_info->mac.perm_addr); 30023a858ba3SAnirudh Venkataramanan ether_addr_copy(netdev->dev_addr, mac_addr); 30033a858ba3SAnirudh Venkataramanan ether_addr_copy(netdev->perm_addr, mac_addr); 30043a858ba3SAnirudh Venkataramanan } 30053a858ba3SAnirudh Venkataramanan 30063a858ba3SAnirudh Venkataramanan netdev->priv_flags |= IFF_UNICAST_FLT; 30073a858ba3SAnirudh Venkataramanan 3008462acf6aSTony Nguyen /* Setup netdev TC information */ 3009462acf6aSTony Nguyen ice_vsi_cfg_netdev_tc(vsi, vsi->tc_cfg.ena_tc); 3010cdedef59SAnirudh Venkataramanan 30113a858ba3SAnirudh Venkataramanan /* setup watchdog timeout value to be 5 second */ 30123a858ba3SAnirudh Venkataramanan netdev->watchdog_timeo = 5 * HZ; 30133a858ba3SAnirudh Venkataramanan 30143a858ba3SAnirudh Venkataramanan netdev->min_mtu = ETH_MIN_MTU; 30153a858ba3SAnirudh Venkataramanan netdev->max_mtu = ICE_MAX_MTU; 30163a858ba3SAnirudh Venkataramanan 3017df0f8479SAnirudh Venkataramanan err = register_netdev(vsi->netdev); 30183a858ba3SAnirudh Venkataramanan if (err) 3019c2b313b7SJacob Keller goto err_free_netdev; 30201adf7eadSJacob Keller 302148d40025SJacob Keller devlink_port_type_eth_set(&vsi->devlink_port, vsi->netdev); 30223a858ba3SAnirudh Venkataramanan 3023df0f8479SAnirudh Venkataramanan netif_carrier_off(vsi->netdev); 30243a858ba3SAnirudh Venkataramanan 3025df0f8479SAnirudh Venkataramanan /* make sure transmit queues start off as stopped */ 3026df0f8479SAnirudh Venkataramanan netif_tx_stop_all_queues(vsi->netdev); 30273a858ba3SAnirudh Venkataramanan 30283a858ba3SAnirudh Venkataramanan return 0; 30291adf7eadSJacob Keller 3030c2b313b7SJacob Keller err_free_netdev: 3031c2b313b7SJacob Keller free_netdev(vsi->netdev); 3032c2b313b7SJacob Keller vsi->netdev = NULL; 30331adf7eadSJacob Keller err_destroy_devlink_port: 303448d40025SJacob Keller ice_devlink_destroy_port(vsi); 30351adf7eadSJacob Keller return err; 30363a858ba3SAnirudh Venkataramanan } 30373a858ba3SAnirudh Venkataramanan 30383a858ba3SAnirudh Venkataramanan /** 3039d76a60baSAnirudh Venkataramanan * ice_fill_rss_lut - Fill the RSS lookup table with default values 3040d76a60baSAnirudh Venkataramanan * @lut: Lookup table 3041d76a60baSAnirudh Venkataramanan * @rss_table_size: Lookup table size 3042d76a60baSAnirudh Venkataramanan * @rss_size: Range of queue number for hashing 3043d76a60baSAnirudh Venkataramanan */ 3044d76a60baSAnirudh Venkataramanan void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size) 3045d76a60baSAnirudh Venkataramanan { 3046d76a60baSAnirudh Venkataramanan u16 i; 3047d76a60baSAnirudh Venkataramanan 3048d76a60baSAnirudh Venkataramanan for (i = 0; i < rss_table_size; i++) 3049d76a60baSAnirudh Venkataramanan lut[i] = i % rss_size; 3050d76a60baSAnirudh Venkataramanan } 3051d76a60baSAnirudh Venkataramanan 3052d76a60baSAnirudh Venkataramanan /** 30530f9d5027SAnirudh Venkataramanan * ice_pf_vsi_setup - Set up a PF VSI 30540f9d5027SAnirudh Venkataramanan * @pf: board private structure 30550f9d5027SAnirudh Venkataramanan * @pi: pointer to the port_info instance 30560f9d5027SAnirudh Venkataramanan * 30570e674aebSAnirudh Venkataramanan * Returns pointer to the successfully allocated VSI software struct 30580e674aebSAnirudh Venkataramanan * on success, otherwise returns NULL on failure. 30590f9d5027SAnirudh Venkataramanan */ 30600f9d5027SAnirudh Venkataramanan static struct ice_vsi * 30610f9d5027SAnirudh Venkataramanan ice_pf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi) 30620f9d5027SAnirudh Venkataramanan { 30630f9d5027SAnirudh Venkataramanan return ice_vsi_setup(pf, pi, ICE_VSI_PF, ICE_INVAL_VFID); 30640f9d5027SAnirudh Venkataramanan } 30650f9d5027SAnirudh Venkataramanan 30660f9d5027SAnirudh Venkataramanan /** 3067148beb61SHenry Tieman * ice_ctrl_vsi_setup - Set up a control VSI 3068148beb61SHenry Tieman * @pf: board private structure 3069148beb61SHenry Tieman * @pi: pointer to the port_info instance 3070148beb61SHenry Tieman * 3071148beb61SHenry Tieman * Returns pointer to the successfully allocated VSI software struct 3072148beb61SHenry Tieman * on success, otherwise returns NULL on failure. 3073148beb61SHenry Tieman */ 3074148beb61SHenry Tieman static struct ice_vsi * 3075148beb61SHenry Tieman ice_ctrl_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi) 3076148beb61SHenry Tieman { 3077148beb61SHenry Tieman return ice_vsi_setup(pf, pi, ICE_VSI_CTRL, ICE_INVAL_VFID); 3078148beb61SHenry Tieman } 3079148beb61SHenry Tieman 3080148beb61SHenry Tieman /** 30810e674aebSAnirudh Venkataramanan * ice_lb_vsi_setup - Set up a loopback VSI 30820e674aebSAnirudh Venkataramanan * @pf: board private structure 30830e674aebSAnirudh Venkataramanan * @pi: pointer to the port_info instance 30840e674aebSAnirudh Venkataramanan * 30850e674aebSAnirudh Venkataramanan * Returns pointer to the successfully allocated VSI software struct 30860e674aebSAnirudh Venkataramanan * on success, otherwise returns NULL on failure. 30870e674aebSAnirudh Venkataramanan */ 30880e674aebSAnirudh Venkataramanan struct ice_vsi * 30890e674aebSAnirudh Venkataramanan ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi) 30900e674aebSAnirudh Venkataramanan { 30910e674aebSAnirudh Venkataramanan return ice_vsi_setup(pf, pi, ICE_VSI_LB, ICE_INVAL_VFID); 30920e674aebSAnirudh Venkataramanan } 30930e674aebSAnirudh Venkataramanan 30940e674aebSAnirudh Venkataramanan /** 3095f9867df6SAnirudh Venkataramanan * ice_vlan_rx_add_vid - Add a VLAN ID filter to HW offload 3096d76a60baSAnirudh Venkataramanan * @netdev: network interface to be adjusted 3097d76a60baSAnirudh Venkataramanan * @proto: unused protocol 3098f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be added 3099d76a60baSAnirudh Venkataramanan * 3100f9867df6SAnirudh Venkataramanan * net_device_ops implementation for adding VLAN IDs 3101d76a60baSAnirudh Venkataramanan */ 3102c8b7abddSBruce Allan static int 3103c8b7abddSBruce Allan ice_vlan_rx_add_vid(struct net_device *netdev, __always_unused __be16 proto, 3104c8b7abddSBruce Allan u16 vid) 3105d76a60baSAnirudh Venkataramanan { 3106d76a60baSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 3107d76a60baSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 31085eda8afdSAkeem G Abodunrin int ret; 3109d76a60baSAnirudh Venkataramanan 3110d76a60baSAnirudh Venkataramanan if (vid >= VLAN_N_VID) { 3111d76a60baSAnirudh Venkataramanan netdev_err(netdev, "VLAN id requested %d is out of range %d\n", 3112d76a60baSAnirudh Venkataramanan vid, VLAN_N_VID); 3113d76a60baSAnirudh Venkataramanan return -EINVAL; 3114d76a60baSAnirudh Venkataramanan } 3115d76a60baSAnirudh Venkataramanan 3116d76a60baSAnirudh Venkataramanan if (vsi->info.pvid) 3117d76a60baSAnirudh Venkataramanan return -EINVAL; 3118d76a60baSAnirudh Venkataramanan 311942f3efefSBrett Creeley /* VLAN 0 is added by default during load/reset */ 312042f3efefSBrett Creeley if (!vid) 312142f3efefSBrett Creeley return 0; 312242f3efefSBrett Creeley 312342f3efefSBrett Creeley /* Enable VLAN pruning when a VLAN other than 0 is added */ 312442f3efefSBrett Creeley if (!ice_vsi_is_vlan_pruning_ena(vsi)) { 31255eda8afdSAkeem G Abodunrin ret = ice_cfg_vlan_pruning(vsi, true, false); 31264f74dcc1SBrett Creeley if (ret) 31274f74dcc1SBrett Creeley return ret; 31284f74dcc1SBrett Creeley } 31294f74dcc1SBrett Creeley 313042f3efefSBrett Creeley /* Add a switch rule for this VLAN ID so its corresponding VLAN tagged 313142f3efefSBrett Creeley * packets aren't pruned by the device's internal switch on Rx 3132d76a60baSAnirudh Venkataramanan */ 31331b8f15b6SMichal Swiatkowski ret = ice_vsi_add_vlan(vsi, vid, ICE_FWD_TO_VSI); 3134bcf68ea1SNick Nunley if (!ret) 31355eda8afdSAkeem G Abodunrin set_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags); 31365eda8afdSAkeem G Abodunrin 31375eda8afdSAkeem G Abodunrin return ret; 3138d76a60baSAnirudh Venkataramanan } 3139d76a60baSAnirudh Venkataramanan 3140d76a60baSAnirudh Venkataramanan /** 3141f9867df6SAnirudh Venkataramanan * ice_vlan_rx_kill_vid - Remove a VLAN ID filter from HW offload 3142d76a60baSAnirudh Venkataramanan * @netdev: network interface to be adjusted 3143d76a60baSAnirudh Venkataramanan * @proto: unused protocol 3144f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be removed 3145d76a60baSAnirudh Venkataramanan * 3146f9867df6SAnirudh Venkataramanan * net_device_ops implementation for removing VLAN IDs 3147d76a60baSAnirudh Venkataramanan */ 3148c8b7abddSBruce Allan static int 3149c8b7abddSBruce Allan ice_vlan_rx_kill_vid(struct net_device *netdev, __always_unused __be16 proto, 3150c8b7abddSBruce Allan u16 vid) 3151d76a60baSAnirudh Venkataramanan { 3152d76a60baSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 3153d76a60baSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 31545eda8afdSAkeem G Abodunrin int ret; 3155d76a60baSAnirudh Venkataramanan 3156d76a60baSAnirudh Venkataramanan if (vsi->info.pvid) 3157d76a60baSAnirudh Venkataramanan return -EINVAL; 3158d76a60baSAnirudh Venkataramanan 315942f3efefSBrett Creeley /* don't allow removal of VLAN 0 */ 316042f3efefSBrett Creeley if (!vid) 316142f3efefSBrett Creeley return 0; 316242f3efefSBrett Creeley 31634f74dcc1SBrett Creeley /* Make sure ice_vsi_kill_vlan is successful before updating VLAN 31644f74dcc1SBrett Creeley * information 3165d76a60baSAnirudh Venkataramanan */ 31665eda8afdSAkeem G Abodunrin ret = ice_vsi_kill_vlan(vsi, vid); 31675eda8afdSAkeem G Abodunrin if (ret) 31685eda8afdSAkeem G Abodunrin return ret; 3169d76a60baSAnirudh Venkataramanan 317042f3efefSBrett Creeley /* Disable pruning when VLAN 0 is the only VLAN rule */ 317142f3efefSBrett Creeley if (vsi->num_vlan == 1 && ice_vsi_is_vlan_pruning_ena(vsi)) 31725eda8afdSAkeem G Abodunrin ret = ice_cfg_vlan_pruning(vsi, false, false); 31734f74dcc1SBrett Creeley 31745eda8afdSAkeem G Abodunrin set_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags); 31755eda8afdSAkeem G Abodunrin return ret; 3176d76a60baSAnirudh Venkataramanan } 3177d76a60baSAnirudh Venkataramanan 3178d76a60baSAnirudh Venkataramanan /** 31793a858ba3SAnirudh Venkataramanan * ice_setup_pf_sw - Setup the HW switch on startup or after reset 31803a858ba3SAnirudh Venkataramanan * @pf: board private structure 31813a858ba3SAnirudh Venkataramanan * 31823a858ba3SAnirudh Venkataramanan * Returns 0 on success, negative value on failure 31833a858ba3SAnirudh Venkataramanan */ 31843a858ba3SAnirudh Venkataramanan static int ice_setup_pf_sw(struct ice_pf *pf) 31853a858ba3SAnirudh Venkataramanan { 31863a858ba3SAnirudh Venkataramanan struct ice_vsi *vsi; 31873a858ba3SAnirudh Venkataramanan int status = 0; 31883a858ba3SAnirudh Venkataramanan 31895df7e45dSDave Ertman if (ice_is_reset_in_progress(pf->state)) 31900f9d5027SAnirudh Venkataramanan return -EBUSY; 31910f9d5027SAnirudh Venkataramanan 31920f9d5027SAnirudh Venkataramanan vsi = ice_pf_vsi_setup(pf, pf->hw.port_info); 3193135f4b9eSJacob Keller if (!vsi) 3194135f4b9eSJacob Keller return -ENOMEM; 31953a858ba3SAnirudh Venkataramanan 3196df0f8479SAnirudh Venkataramanan status = ice_cfg_netdev(vsi); 3197df0f8479SAnirudh Venkataramanan if (status) { 3198df0f8479SAnirudh Venkataramanan status = -ENODEV; 3199df0f8479SAnirudh Venkataramanan goto unroll_vsi_setup; 3200df0f8479SAnirudh Venkataramanan } 3201efc2214bSMaciej Fijalkowski /* netdev has to be configured before setting frame size */ 3202efc2214bSMaciej Fijalkowski ice_vsi_cfg_frame_size(vsi); 3203df0f8479SAnirudh Venkataramanan 3204b94b013eSDave Ertman /* Setup DCB netlink interface */ 3205b94b013eSDave Ertman ice_dcbnl_setup(vsi); 3206b94b013eSDave Ertman 3207df0f8479SAnirudh Venkataramanan /* registering the NAPI handler requires both the queues and 3208df0f8479SAnirudh Venkataramanan * netdev to be created, which are done in ice_pf_vsi_setup() 3209df0f8479SAnirudh Venkataramanan * and ice_cfg_netdev() respectively 3210df0f8479SAnirudh Venkataramanan */ 3211df0f8479SAnirudh Venkataramanan ice_napi_add(vsi); 3212df0f8479SAnirudh Venkataramanan 321328bf2672SBrett Creeley status = ice_set_cpu_rx_rmap(vsi); 321428bf2672SBrett Creeley if (status) { 321528bf2672SBrett Creeley dev_err(ice_pf_to_dev(pf), "Failed to set CPU Rx map VSI %d error %d\n", 321628bf2672SBrett Creeley vsi->vsi_num, status); 321728bf2672SBrett Creeley status = -EINVAL; 321828bf2672SBrett Creeley goto unroll_napi_add; 321928bf2672SBrett Creeley } 3220561f4379STony Nguyen status = ice_init_mac_fltr(pf); 32219daf8208SAnirudh Venkataramanan if (status) 322228bf2672SBrett Creeley goto free_cpu_rx_map; 32239daf8208SAnirudh Venkataramanan 32249daf8208SAnirudh Venkataramanan return status; 32259daf8208SAnirudh Venkataramanan 322628bf2672SBrett Creeley free_cpu_rx_map: 322728bf2672SBrett Creeley ice_free_cpu_rx_rmap(vsi); 322828bf2672SBrett Creeley 3229df0f8479SAnirudh Venkataramanan unroll_napi_add: 32303a858ba3SAnirudh Venkataramanan if (vsi) { 3231df0f8479SAnirudh Venkataramanan ice_napi_del(vsi); 32323a858ba3SAnirudh Venkataramanan if (vsi->netdev) { 3233df0f8479SAnirudh Venkataramanan if (vsi->netdev->reg_state == NETREG_REGISTERED) 3234df0f8479SAnirudh Venkataramanan unregister_netdev(vsi->netdev); 32353a858ba3SAnirudh Venkataramanan free_netdev(vsi->netdev); 32363a858ba3SAnirudh Venkataramanan vsi->netdev = NULL; 32373a858ba3SAnirudh Venkataramanan } 3238df0f8479SAnirudh Venkataramanan } 32399daf8208SAnirudh Venkataramanan 3240df0f8479SAnirudh Venkataramanan unroll_vsi_setup: 3241135f4b9eSJacob Keller ice_vsi_release(vsi); 32423a858ba3SAnirudh Venkataramanan return status; 32433a858ba3SAnirudh Venkataramanan } 32443a858ba3SAnirudh Venkataramanan 32453a858ba3SAnirudh Venkataramanan /** 32468c243700SAnirudh Venkataramanan * ice_get_avail_q_count - Get count of queues in use 32478c243700SAnirudh Venkataramanan * @pf_qmap: bitmap to get queue use count from 32488c243700SAnirudh Venkataramanan * @lock: pointer to a mutex that protects access to pf_qmap 32498c243700SAnirudh Venkataramanan * @size: size of the bitmap 3250940b61afSAnirudh Venkataramanan */ 32518c243700SAnirudh Venkataramanan static u16 32528c243700SAnirudh Venkataramanan ice_get_avail_q_count(unsigned long *pf_qmap, struct mutex *lock, u16 size) 3253940b61afSAnirudh Venkataramanan { 325488865fc4SKarol Kolacinski unsigned long bit; 325588865fc4SKarol Kolacinski u16 count = 0; 3256940b61afSAnirudh Venkataramanan 32578c243700SAnirudh Venkataramanan mutex_lock(lock); 32588c243700SAnirudh Venkataramanan for_each_clear_bit(bit, pf_qmap, size) 32598c243700SAnirudh Venkataramanan count++; 32608c243700SAnirudh Venkataramanan mutex_unlock(lock); 3261940b61afSAnirudh Venkataramanan 32628c243700SAnirudh Venkataramanan return count; 32638c243700SAnirudh Venkataramanan } 3264d76a60baSAnirudh Venkataramanan 32658c243700SAnirudh Venkataramanan /** 32668c243700SAnirudh Venkataramanan * ice_get_avail_txq_count - Get count of Tx queues in use 32678c243700SAnirudh Venkataramanan * @pf: pointer to an ice_pf instance 32688c243700SAnirudh Venkataramanan */ 32698c243700SAnirudh Venkataramanan u16 ice_get_avail_txq_count(struct ice_pf *pf) 32708c243700SAnirudh Venkataramanan { 32718c243700SAnirudh Venkataramanan return ice_get_avail_q_count(pf->avail_txqs, &pf->avail_q_mutex, 32728c243700SAnirudh Venkataramanan pf->max_pf_txqs); 32738c243700SAnirudh Venkataramanan } 3274940b61afSAnirudh Venkataramanan 32758c243700SAnirudh Venkataramanan /** 32768c243700SAnirudh Venkataramanan * ice_get_avail_rxq_count - Get count of Rx queues in use 32778c243700SAnirudh Venkataramanan * @pf: pointer to an ice_pf instance 32788c243700SAnirudh Venkataramanan */ 32798c243700SAnirudh Venkataramanan u16 ice_get_avail_rxq_count(struct ice_pf *pf) 32808c243700SAnirudh Venkataramanan { 32818c243700SAnirudh Venkataramanan return ice_get_avail_q_count(pf->avail_rxqs, &pf->avail_q_mutex, 32828c243700SAnirudh Venkataramanan pf->max_pf_rxqs); 3283940b61afSAnirudh Venkataramanan } 3284940b61afSAnirudh Venkataramanan 3285940b61afSAnirudh Venkataramanan /** 3286940b61afSAnirudh Venkataramanan * ice_deinit_pf - Unrolls initialziations done by ice_init_pf 3287940b61afSAnirudh Venkataramanan * @pf: board private structure to initialize 3288940b61afSAnirudh Venkataramanan */ 3289940b61afSAnirudh Venkataramanan static void ice_deinit_pf(struct ice_pf *pf) 3290940b61afSAnirudh Venkataramanan { 32918d81fa55SAkeem G Abodunrin ice_service_task_stop(pf); 3292940b61afSAnirudh Venkataramanan mutex_destroy(&pf->sw_mutex); 3293b94b013eSDave Ertman mutex_destroy(&pf->tc_mutex); 3294940b61afSAnirudh Venkataramanan mutex_destroy(&pf->avail_q_mutex); 329578b5713aSAnirudh Venkataramanan 329678b5713aSAnirudh Venkataramanan if (pf->avail_txqs) { 329778b5713aSAnirudh Venkataramanan bitmap_free(pf->avail_txqs); 329878b5713aSAnirudh Venkataramanan pf->avail_txqs = NULL; 329978b5713aSAnirudh Venkataramanan } 330078b5713aSAnirudh Venkataramanan 330178b5713aSAnirudh Venkataramanan if (pf->avail_rxqs) { 330278b5713aSAnirudh Venkataramanan bitmap_free(pf->avail_rxqs); 330378b5713aSAnirudh Venkataramanan pf->avail_rxqs = NULL; 330478b5713aSAnirudh Venkataramanan } 3305940b61afSAnirudh Venkataramanan } 3306940b61afSAnirudh Venkataramanan 3307940b61afSAnirudh Venkataramanan /** 3308462acf6aSTony Nguyen * ice_set_pf_caps - set PFs capability flags 3309462acf6aSTony Nguyen * @pf: pointer to the PF instance 3310462acf6aSTony Nguyen */ 3311462acf6aSTony Nguyen static void ice_set_pf_caps(struct ice_pf *pf) 3312462acf6aSTony Nguyen { 3313462acf6aSTony Nguyen struct ice_hw_func_caps *func_caps = &pf->hw.func_caps; 3314462acf6aSTony Nguyen 3315462acf6aSTony Nguyen clear_bit(ICE_FLAG_DCB_CAPABLE, pf->flags); 3316462acf6aSTony Nguyen if (func_caps->common_cap.dcb) 3317462acf6aSTony Nguyen set_bit(ICE_FLAG_DCB_CAPABLE, pf->flags); 3318462acf6aSTony Nguyen clear_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags); 3319462acf6aSTony Nguyen if (func_caps->common_cap.sr_iov_1_1) { 3320462acf6aSTony Nguyen set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags); 3321462acf6aSTony Nguyen pf->num_vfs_supported = min_t(int, func_caps->num_allocd_vfs, 3322462acf6aSTony Nguyen ICE_MAX_VF_COUNT); 3323462acf6aSTony Nguyen } 3324462acf6aSTony Nguyen clear_bit(ICE_FLAG_RSS_ENA, pf->flags); 3325462acf6aSTony Nguyen if (func_caps->common_cap.rss_table_size) 3326462acf6aSTony Nguyen set_bit(ICE_FLAG_RSS_ENA, pf->flags); 3327462acf6aSTony Nguyen 3328148beb61SHenry Tieman clear_bit(ICE_FLAG_FD_ENA, pf->flags); 3329148beb61SHenry Tieman if (func_caps->fd_fltr_guar > 0 || func_caps->fd_fltr_best_effort > 0) { 3330148beb61SHenry Tieman u16 unused; 3331148beb61SHenry Tieman 3332148beb61SHenry Tieman /* ctrl_vsi_idx will be set to a valid value when flow director 3333148beb61SHenry Tieman * is setup by ice_init_fdir 3334148beb61SHenry Tieman */ 3335148beb61SHenry Tieman pf->ctrl_vsi_idx = ICE_NO_VSI; 3336148beb61SHenry Tieman set_bit(ICE_FLAG_FD_ENA, pf->flags); 3337148beb61SHenry Tieman /* force guaranteed filter pool for PF */ 3338148beb61SHenry Tieman ice_alloc_fd_guar_item(&pf->hw, &unused, 3339148beb61SHenry Tieman func_caps->fd_fltr_guar); 3340148beb61SHenry Tieman /* force shared filter pool for PF */ 3341148beb61SHenry Tieman ice_alloc_fd_shrd_item(&pf->hw, &unused, 3342148beb61SHenry Tieman func_caps->fd_fltr_best_effort); 3343148beb61SHenry Tieman } 3344148beb61SHenry Tieman 3345462acf6aSTony Nguyen pf->max_pf_txqs = func_caps->common_cap.num_txq; 3346462acf6aSTony Nguyen pf->max_pf_rxqs = func_caps->common_cap.num_rxq; 3347462acf6aSTony Nguyen } 3348462acf6aSTony Nguyen 3349462acf6aSTony Nguyen /** 3350940b61afSAnirudh Venkataramanan * ice_init_pf - Initialize general software structures (struct ice_pf) 3351940b61afSAnirudh Venkataramanan * @pf: board private structure to initialize 3352940b61afSAnirudh Venkataramanan */ 335378b5713aSAnirudh Venkataramanan static int ice_init_pf(struct ice_pf *pf) 3354940b61afSAnirudh Venkataramanan { 3355462acf6aSTony Nguyen ice_set_pf_caps(pf); 3356940b61afSAnirudh Venkataramanan 3357940b61afSAnirudh Venkataramanan mutex_init(&pf->sw_mutex); 3358b94b013eSDave Ertman mutex_init(&pf->tc_mutex); 3359d76a60baSAnirudh Venkataramanan 3360d69ea414SJacob Keller INIT_HLIST_HEAD(&pf->aq_wait_list); 3361d69ea414SJacob Keller spin_lock_init(&pf->aq_wait_lock); 3362d69ea414SJacob Keller init_waitqueue_head(&pf->aq_wait_queue); 3363d69ea414SJacob Keller 3364940b61afSAnirudh Venkataramanan /* setup service timer and periodic service task */ 3365940b61afSAnirudh Venkataramanan timer_setup(&pf->serv_tmr, ice_service_timer, 0); 3366940b61afSAnirudh Venkataramanan pf->serv_tmr_period = HZ; 3367940b61afSAnirudh Venkataramanan INIT_WORK(&pf->serv_task, ice_service_task); 3368940b61afSAnirudh Venkataramanan clear_bit(__ICE_SERVICE_SCHED, pf->state); 336978b5713aSAnirudh Venkataramanan 3370462acf6aSTony Nguyen mutex_init(&pf->avail_q_mutex); 337178b5713aSAnirudh Venkataramanan pf->avail_txqs = bitmap_zalloc(pf->max_pf_txqs, GFP_KERNEL); 337278b5713aSAnirudh Venkataramanan if (!pf->avail_txqs) 337378b5713aSAnirudh Venkataramanan return -ENOMEM; 337478b5713aSAnirudh Venkataramanan 337578b5713aSAnirudh Venkataramanan pf->avail_rxqs = bitmap_zalloc(pf->max_pf_rxqs, GFP_KERNEL); 337678b5713aSAnirudh Venkataramanan if (!pf->avail_rxqs) { 33774015d11eSBrett Creeley devm_kfree(ice_pf_to_dev(pf), pf->avail_txqs); 337878b5713aSAnirudh Venkataramanan pf->avail_txqs = NULL; 337978b5713aSAnirudh Venkataramanan return -ENOMEM; 338078b5713aSAnirudh Venkataramanan } 338178b5713aSAnirudh Venkataramanan 338278b5713aSAnirudh Venkataramanan return 0; 3383940b61afSAnirudh Venkataramanan } 3384940b61afSAnirudh Venkataramanan 3385940b61afSAnirudh Venkataramanan /** 3386940b61afSAnirudh Venkataramanan * ice_ena_msix_range - Request a range of MSIX vectors from the OS 3387940b61afSAnirudh Venkataramanan * @pf: board private structure 3388940b61afSAnirudh Venkataramanan * 3389940b61afSAnirudh Venkataramanan * compute the number of MSIX vectors required (v_budget) and request from 3390940b61afSAnirudh Venkataramanan * the OS. Return the number of vectors reserved or negative on failure 3391940b61afSAnirudh Venkataramanan */ 3392940b61afSAnirudh Venkataramanan static int ice_ena_msix_range(struct ice_pf *pf) 3393940b61afSAnirudh Venkataramanan { 3394741106f7STony Nguyen int v_left, v_actual, v_other, v_budget = 0; 33954015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 3396940b61afSAnirudh Venkataramanan int needed, err, i; 3397940b61afSAnirudh Venkataramanan 3398940b61afSAnirudh Venkataramanan v_left = pf->hw.func_caps.common_cap.num_msix_vectors; 3399940b61afSAnirudh Venkataramanan 3400741106f7STony Nguyen /* reserve for LAN miscellaneous handler */ 3401741106f7STony Nguyen needed = ICE_MIN_LAN_OICR_MSIX; 3402152b978aSAnirudh Venkataramanan if (v_left < needed) 3403152b978aSAnirudh Venkataramanan goto no_hw_vecs_left_err; 3404940b61afSAnirudh Venkataramanan v_budget += needed; 3405940b61afSAnirudh Venkataramanan v_left -= needed; 3406940b61afSAnirudh Venkataramanan 3407741106f7STony Nguyen /* reserve for flow director */ 3408741106f7STony Nguyen if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) { 3409741106f7STony Nguyen needed = ICE_FDIR_MSIX; 3410741106f7STony Nguyen if (v_left < needed) 3411741106f7STony Nguyen goto no_hw_vecs_left_err; 3412741106f7STony Nguyen v_budget += needed; 3413741106f7STony Nguyen v_left -= needed; 3414741106f7STony Nguyen } 3415741106f7STony Nguyen 3416741106f7STony Nguyen /* total used for non-traffic vectors */ 3417741106f7STony Nguyen v_other = v_budget; 3418741106f7STony Nguyen 3419940b61afSAnirudh Venkataramanan /* reserve vectors for LAN traffic */ 3420152b978aSAnirudh Venkataramanan needed = min_t(int, num_online_cpus(), v_left); 3421152b978aSAnirudh Venkataramanan if (v_left < needed) 3422152b978aSAnirudh Venkataramanan goto no_hw_vecs_left_err; 3423152b978aSAnirudh Venkataramanan pf->num_lan_msix = needed; 3424152b978aSAnirudh Venkataramanan v_budget += needed; 3425152b978aSAnirudh Venkataramanan v_left -= needed; 3426940b61afSAnirudh Venkataramanan 34274015d11eSBrett Creeley pf->msix_entries = devm_kcalloc(dev, v_budget, 3428c6dfd690SBruce Allan sizeof(*pf->msix_entries), GFP_KERNEL); 3429940b61afSAnirudh Venkataramanan if (!pf->msix_entries) { 3430940b61afSAnirudh Venkataramanan err = -ENOMEM; 3431940b61afSAnirudh Venkataramanan goto exit_err; 3432940b61afSAnirudh Venkataramanan } 3433940b61afSAnirudh Venkataramanan 3434940b61afSAnirudh Venkataramanan for (i = 0; i < v_budget; i++) 3435940b61afSAnirudh Venkataramanan pf->msix_entries[i].entry = i; 3436940b61afSAnirudh Venkataramanan 3437940b61afSAnirudh Venkataramanan /* actually reserve the vectors */ 3438940b61afSAnirudh Venkataramanan v_actual = pci_enable_msix_range(pf->pdev, pf->msix_entries, 3439940b61afSAnirudh Venkataramanan ICE_MIN_MSIX, v_budget); 3440940b61afSAnirudh Venkataramanan if (v_actual < 0) { 34414015d11eSBrett Creeley dev_err(dev, "unable to reserve MSI-X vectors\n"); 3442940b61afSAnirudh Venkataramanan err = v_actual; 3443940b61afSAnirudh Venkataramanan goto msix_err; 3444940b61afSAnirudh Venkataramanan } 3445940b61afSAnirudh Venkataramanan 3446940b61afSAnirudh Venkataramanan if (v_actual < v_budget) { 344719cce2c6SAnirudh Venkataramanan dev_warn(dev, "not enough OS MSI-X vectors. requested = %d, obtained = %d\n", 3448940b61afSAnirudh Venkataramanan v_budget, v_actual); 3449152b978aSAnirudh Venkataramanan 3450f3fe97f6SBrett Creeley if (v_actual < ICE_MIN_MSIX) { 3451152b978aSAnirudh Venkataramanan /* error if we can't get minimum vectors */ 3452940b61afSAnirudh Venkataramanan pci_disable_msix(pf->pdev); 3453940b61afSAnirudh Venkataramanan err = -ERANGE; 3454940b61afSAnirudh Venkataramanan goto msix_err; 3455152b978aSAnirudh Venkataramanan } else { 3456741106f7STony Nguyen int v_traffic = v_actual - v_other; 3457741106f7STony Nguyen 3458741106f7STony Nguyen if (v_actual == ICE_MIN_MSIX || 3459741106f7STony Nguyen v_traffic < ICE_MIN_LAN_TXRX_MSIX) 3460f3fe97f6SBrett Creeley pf->num_lan_msix = ICE_MIN_LAN_TXRX_MSIX; 3461741106f7STony Nguyen else 3462741106f7STony Nguyen pf->num_lan_msix = v_traffic; 3463741106f7STony Nguyen 3464741106f7STony Nguyen dev_notice(dev, "Enabled %d MSI-X vectors for LAN traffic.\n", 3465741106f7STony Nguyen pf->num_lan_msix); 3466940b61afSAnirudh Venkataramanan } 3467940b61afSAnirudh Venkataramanan } 3468940b61afSAnirudh Venkataramanan 3469940b61afSAnirudh Venkataramanan return v_actual; 3470940b61afSAnirudh Venkataramanan 3471940b61afSAnirudh Venkataramanan msix_err: 34724015d11eSBrett Creeley devm_kfree(dev, pf->msix_entries); 3473940b61afSAnirudh Venkataramanan goto exit_err; 3474940b61afSAnirudh Venkataramanan 3475152b978aSAnirudh Venkataramanan no_hw_vecs_left_err: 347619cce2c6SAnirudh Venkataramanan dev_err(dev, "not enough device MSI-X vectors. requested = %d, available = %d\n", 3477152b978aSAnirudh Venkataramanan needed, v_left); 3478152b978aSAnirudh Venkataramanan err = -ERANGE; 3479940b61afSAnirudh Venkataramanan exit_err: 3480940b61afSAnirudh Venkataramanan pf->num_lan_msix = 0; 3481940b61afSAnirudh Venkataramanan return err; 3482940b61afSAnirudh Venkataramanan } 3483940b61afSAnirudh Venkataramanan 3484940b61afSAnirudh Venkataramanan /** 3485940b61afSAnirudh Venkataramanan * ice_dis_msix - Disable MSI-X interrupt setup in OS 3486940b61afSAnirudh Venkataramanan * @pf: board private structure 3487940b61afSAnirudh Venkataramanan */ 3488940b61afSAnirudh Venkataramanan static void ice_dis_msix(struct ice_pf *pf) 3489940b61afSAnirudh Venkataramanan { 3490940b61afSAnirudh Venkataramanan pci_disable_msix(pf->pdev); 34914015d11eSBrett Creeley devm_kfree(ice_pf_to_dev(pf), pf->msix_entries); 3492940b61afSAnirudh Venkataramanan pf->msix_entries = NULL; 3493940b61afSAnirudh Venkataramanan } 3494940b61afSAnirudh Venkataramanan 3495940b61afSAnirudh Venkataramanan /** 3496eb0208ecSPreethi Banala * ice_clear_interrupt_scheme - Undo things done by ice_init_interrupt_scheme 3497eb0208ecSPreethi Banala * @pf: board private structure 3498eb0208ecSPreethi Banala */ 3499eb0208ecSPreethi Banala static void ice_clear_interrupt_scheme(struct ice_pf *pf) 3500eb0208ecSPreethi Banala { 3501eb0208ecSPreethi Banala ice_dis_msix(pf); 3502eb0208ecSPreethi Banala 3503cbe66bfeSBrett Creeley if (pf->irq_tracker) { 35044015d11eSBrett Creeley devm_kfree(ice_pf_to_dev(pf), pf->irq_tracker); 3505cbe66bfeSBrett Creeley pf->irq_tracker = NULL; 3506eb0208ecSPreethi Banala } 3507eb0208ecSPreethi Banala } 3508eb0208ecSPreethi Banala 3509eb0208ecSPreethi Banala /** 3510940b61afSAnirudh Venkataramanan * ice_init_interrupt_scheme - Determine proper interrupt scheme 3511940b61afSAnirudh Venkataramanan * @pf: board private structure to initialize 3512940b61afSAnirudh Venkataramanan */ 3513940b61afSAnirudh Venkataramanan static int ice_init_interrupt_scheme(struct ice_pf *pf) 3514940b61afSAnirudh Venkataramanan { 3515cbe66bfeSBrett Creeley int vectors; 3516940b61afSAnirudh Venkataramanan 3517940b61afSAnirudh Venkataramanan vectors = ice_ena_msix_range(pf); 3518940b61afSAnirudh Venkataramanan 3519940b61afSAnirudh Venkataramanan if (vectors < 0) 3520940b61afSAnirudh Venkataramanan return vectors; 3521940b61afSAnirudh Venkataramanan 3522940b61afSAnirudh Venkataramanan /* set up vector assignment tracking */ 3523e94c0df9SGustavo A. R. Silva pf->irq_tracker = devm_kzalloc(ice_pf_to_dev(pf), 3524e94c0df9SGustavo A. R. Silva struct_size(pf->irq_tracker, list, vectors), 3525e94c0df9SGustavo A. R. Silva GFP_KERNEL); 3526cbe66bfeSBrett Creeley if (!pf->irq_tracker) { 3527940b61afSAnirudh Venkataramanan ice_dis_msix(pf); 3528940b61afSAnirudh Venkataramanan return -ENOMEM; 3529940b61afSAnirudh Venkataramanan } 3530940b61afSAnirudh Venkataramanan 3531eb0208ecSPreethi Banala /* populate SW interrupts pool with number of OS granted IRQs. */ 353288865fc4SKarol Kolacinski pf->num_avail_sw_msix = (u16)vectors; 353388865fc4SKarol Kolacinski pf->irq_tracker->num_entries = (u16)vectors; 3534cbe66bfeSBrett Creeley pf->irq_tracker->end = pf->irq_tracker->num_entries; 3535940b61afSAnirudh Venkataramanan 3536940b61afSAnirudh Venkataramanan return 0; 3537940b61afSAnirudh Venkataramanan } 3538940b61afSAnirudh Venkataramanan 3539940b61afSAnirudh Venkataramanan /** 354031765519SAnirudh Venkataramanan * ice_is_wol_supported - check if WoL is supported 354131765519SAnirudh Venkataramanan * @hw: pointer to hardware info 3542769c500dSAkeem G Abodunrin * 3543769c500dSAkeem G Abodunrin * Check if WoL is supported based on the HW configuration. 3544769c500dSAkeem G Abodunrin * Returns true if NVM supports and enables WoL for this port, false otherwise 3545769c500dSAkeem G Abodunrin */ 354631765519SAnirudh Venkataramanan bool ice_is_wol_supported(struct ice_hw *hw) 3547769c500dSAkeem G Abodunrin { 3548769c500dSAkeem G Abodunrin u16 wol_ctrl; 3549769c500dSAkeem G Abodunrin 3550769c500dSAkeem G Abodunrin /* A bit set to 1 in the NVM Software Reserved Word 2 (WoL control 3551769c500dSAkeem G Abodunrin * word) indicates WoL is not supported on the corresponding PF ID. 3552769c500dSAkeem G Abodunrin */ 3553769c500dSAkeem G Abodunrin if (ice_read_sr_word(hw, ICE_SR_NVM_WOL_CFG, &wol_ctrl)) 3554769c500dSAkeem G Abodunrin return false; 3555769c500dSAkeem G Abodunrin 355631765519SAnirudh Venkataramanan return !(BIT(hw->port_info->lport) & wol_ctrl); 3557769c500dSAkeem G Abodunrin } 3558769c500dSAkeem G Abodunrin 3559769c500dSAkeem G Abodunrin /** 356087324e74SHenry Tieman * ice_vsi_recfg_qs - Change the number of queues on a VSI 356187324e74SHenry Tieman * @vsi: VSI being changed 356287324e74SHenry Tieman * @new_rx: new number of Rx queues 356387324e74SHenry Tieman * @new_tx: new number of Tx queues 356487324e74SHenry Tieman * 356587324e74SHenry Tieman * Only change the number of queues if new_tx, or new_rx is non-0. 356687324e74SHenry Tieman * 356787324e74SHenry Tieman * Returns 0 on success. 356887324e74SHenry Tieman */ 356987324e74SHenry Tieman int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx) 357087324e74SHenry Tieman { 357187324e74SHenry Tieman struct ice_pf *pf = vsi->back; 357287324e74SHenry Tieman int err = 0, timeout = 50; 357387324e74SHenry Tieman 357487324e74SHenry Tieman if (!new_rx && !new_tx) 357587324e74SHenry Tieman return -EINVAL; 357687324e74SHenry Tieman 357787324e74SHenry Tieman while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 357887324e74SHenry Tieman timeout--; 357987324e74SHenry Tieman if (!timeout) 358087324e74SHenry Tieman return -EBUSY; 358187324e74SHenry Tieman usleep_range(1000, 2000); 358287324e74SHenry Tieman } 358387324e74SHenry Tieman 358487324e74SHenry Tieman if (new_tx) 358588865fc4SKarol Kolacinski vsi->req_txq = (u16)new_tx; 358687324e74SHenry Tieman if (new_rx) 358788865fc4SKarol Kolacinski vsi->req_rxq = (u16)new_rx; 358887324e74SHenry Tieman 358987324e74SHenry Tieman /* set for the next time the netdev is started */ 359087324e74SHenry Tieman if (!netif_running(vsi->netdev)) { 359187324e74SHenry Tieman ice_vsi_rebuild(vsi, false); 359287324e74SHenry Tieman dev_dbg(ice_pf_to_dev(pf), "Link is down, queue count change happens when link is brought up\n"); 359387324e74SHenry Tieman goto done; 359487324e74SHenry Tieman } 359587324e74SHenry Tieman 359687324e74SHenry Tieman ice_vsi_close(vsi); 359787324e74SHenry Tieman ice_vsi_rebuild(vsi, false); 359887324e74SHenry Tieman ice_pf_dcb_recfg(pf); 359987324e74SHenry Tieman ice_vsi_open(vsi); 360087324e74SHenry Tieman done: 360187324e74SHenry Tieman clear_bit(__ICE_CFG_BUSY, pf->state); 360287324e74SHenry Tieman return err; 360387324e74SHenry Tieman } 360487324e74SHenry Tieman 360587324e74SHenry Tieman /** 3606cd1f56f4SBrett Creeley * ice_set_safe_mode_vlan_cfg - configure PF VSI to allow all VLANs in safe mode 3607cd1f56f4SBrett Creeley * @pf: PF to configure 3608cd1f56f4SBrett Creeley * 3609cd1f56f4SBrett Creeley * No VLAN offloads/filtering are advertised in safe mode so make sure the PF 3610cd1f56f4SBrett Creeley * VSI can still Tx/Rx VLAN tagged packets. 3611cd1f56f4SBrett Creeley */ 3612cd1f56f4SBrett Creeley static void ice_set_safe_mode_vlan_cfg(struct ice_pf *pf) 3613cd1f56f4SBrett Creeley { 3614cd1f56f4SBrett Creeley struct ice_vsi *vsi = ice_get_main_vsi(pf); 3615cd1f56f4SBrett Creeley struct ice_vsi_ctx *ctxt; 3616cd1f56f4SBrett Creeley enum ice_status status; 3617cd1f56f4SBrett Creeley struct ice_hw *hw; 3618cd1f56f4SBrett Creeley 3619cd1f56f4SBrett Creeley if (!vsi) 3620cd1f56f4SBrett Creeley return; 3621cd1f56f4SBrett Creeley 3622cd1f56f4SBrett Creeley ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 3623cd1f56f4SBrett Creeley if (!ctxt) 3624cd1f56f4SBrett Creeley return; 3625cd1f56f4SBrett Creeley 3626cd1f56f4SBrett Creeley hw = &pf->hw; 3627cd1f56f4SBrett Creeley ctxt->info = vsi->info; 3628cd1f56f4SBrett Creeley 3629cd1f56f4SBrett Creeley ctxt->info.valid_sections = 3630cd1f56f4SBrett Creeley cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID | 3631cd1f56f4SBrett Creeley ICE_AQ_VSI_PROP_SECURITY_VALID | 3632cd1f56f4SBrett Creeley ICE_AQ_VSI_PROP_SW_VALID); 3633cd1f56f4SBrett Creeley 3634cd1f56f4SBrett Creeley /* disable VLAN anti-spoof */ 3635cd1f56f4SBrett Creeley ctxt->info.sec_flags &= ~(ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 3636cd1f56f4SBrett Creeley ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S); 3637cd1f56f4SBrett Creeley 3638cd1f56f4SBrett Creeley /* disable VLAN pruning and keep all other settings */ 3639cd1f56f4SBrett Creeley ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 3640cd1f56f4SBrett Creeley 3641cd1f56f4SBrett Creeley /* allow all VLANs on Tx and don't strip on Rx */ 3642cd1f56f4SBrett Creeley ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL | 3643cd1f56f4SBrett Creeley ICE_AQ_VSI_VLAN_EMOD_NOTHING; 3644cd1f56f4SBrett Creeley 3645cd1f56f4SBrett Creeley status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 3646cd1f56f4SBrett Creeley if (status) { 3647cd1f56f4SBrett Creeley dev_err(ice_pf_to_dev(vsi->back), "Failed to update VSI for safe mode VLANs, err %s aq_err %s\n", 3648cd1f56f4SBrett Creeley ice_stat_str(status), 3649cd1f56f4SBrett Creeley ice_aq_str(hw->adminq.sq_last_status)); 3650cd1f56f4SBrett Creeley } else { 3651cd1f56f4SBrett Creeley vsi->info.sec_flags = ctxt->info.sec_flags; 3652cd1f56f4SBrett Creeley vsi->info.sw_flags2 = ctxt->info.sw_flags2; 3653cd1f56f4SBrett Creeley vsi->info.vlan_flags = ctxt->info.vlan_flags; 3654cd1f56f4SBrett Creeley } 3655cd1f56f4SBrett Creeley 3656cd1f56f4SBrett Creeley kfree(ctxt); 3657cd1f56f4SBrett Creeley } 3658cd1f56f4SBrett Creeley 3659cd1f56f4SBrett Creeley /** 3660462acf6aSTony Nguyen * ice_log_pkg_init - log result of DDP package load 3661462acf6aSTony Nguyen * @hw: pointer to hardware info 3662462acf6aSTony Nguyen * @status: status of package load 3663462acf6aSTony Nguyen */ 3664462acf6aSTony Nguyen static void 3665462acf6aSTony Nguyen ice_log_pkg_init(struct ice_hw *hw, enum ice_status *status) 3666462acf6aSTony Nguyen { 3667462acf6aSTony Nguyen struct ice_pf *pf = (struct ice_pf *)hw->back; 36684015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 3669462acf6aSTony Nguyen 3670462acf6aSTony Nguyen switch (*status) { 3671462acf6aSTony Nguyen case ICE_SUCCESS: 3672462acf6aSTony Nguyen /* The package download AdminQ command returned success because 3673462acf6aSTony Nguyen * this download succeeded or ICE_ERR_AQ_NO_WORK since there is 3674462acf6aSTony Nguyen * already a package loaded on the device. 3675462acf6aSTony Nguyen */ 3676462acf6aSTony Nguyen if (hw->pkg_ver.major == hw->active_pkg_ver.major && 3677462acf6aSTony Nguyen hw->pkg_ver.minor == hw->active_pkg_ver.minor && 3678462acf6aSTony Nguyen hw->pkg_ver.update == hw->active_pkg_ver.update && 3679462acf6aSTony Nguyen hw->pkg_ver.draft == hw->active_pkg_ver.draft && 3680462acf6aSTony Nguyen !memcmp(hw->pkg_name, hw->active_pkg_name, 3681462acf6aSTony Nguyen sizeof(hw->pkg_name))) { 3682462acf6aSTony Nguyen if (hw->pkg_dwnld_status == ICE_AQ_RC_EEXIST) 368319cce2c6SAnirudh Venkataramanan dev_info(dev, "DDP package already present on device: %s version %d.%d.%d.%d\n", 3684462acf6aSTony Nguyen hw->active_pkg_name, 3685462acf6aSTony Nguyen hw->active_pkg_ver.major, 3686462acf6aSTony Nguyen hw->active_pkg_ver.minor, 3687462acf6aSTony Nguyen hw->active_pkg_ver.update, 3688462acf6aSTony Nguyen hw->active_pkg_ver.draft); 3689462acf6aSTony Nguyen else 369019cce2c6SAnirudh Venkataramanan dev_info(dev, "The DDP package was successfully loaded: %s version %d.%d.%d.%d\n", 3691462acf6aSTony Nguyen hw->active_pkg_name, 3692462acf6aSTony Nguyen hw->active_pkg_ver.major, 3693462acf6aSTony Nguyen hw->active_pkg_ver.minor, 3694462acf6aSTony Nguyen hw->active_pkg_ver.update, 3695462acf6aSTony Nguyen hw->active_pkg_ver.draft); 3696462acf6aSTony Nguyen } else if (hw->active_pkg_ver.major != ICE_PKG_SUPP_VER_MAJ || 3697462acf6aSTony Nguyen hw->active_pkg_ver.minor != ICE_PKG_SUPP_VER_MNR) { 369819cce2c6SAnirudh 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", 3699462acf6aSTony Nguyen hw->active_pkg_name, 3700462acf6aSTony Nguyen hw->active_pkg_ver.major, 3701462acf6aSTony Nguyen hw->active_pkg_ver.minor, 3702462acf6aSTony Nguyen ICE_PKG_SUPP_VER_MAJ, ICE_PKG_SUPP_VER_MNR); 3703462acf6aSTony Nguyen *status = ICE_ERR_NOT_SUPPORTED; 3704462acf6aSTony Nguyen } else if (hw->active_pkg_ver.major == ICE_PKG_SUPP_VER_MAJ && 3705462acf6aSTony Nguyen hw->active_pkg_ver.minor == ICE_PKG_SUPP_VER_MNR) { 370619cce2c6SAnirudh 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", 3707462acf6aSTony Nguyen hw->active_pkg_name, 3708462acf6aSTony Nguyen hw->active_pkg_ver.major, 3709462acf6aSTony Nguyen hw->active_pkg_ver.minor, 3710462acf6aSTony Nguyen hw->active_pkg_ver.update, 3711462acf6aSTony Nguyen hw->active_pkg_ver.draft, 3712462acf6aSTony Nguyen hw->pkg_name, 3713462acf6aSTony Nguyen hw->pkg_ver.major, 3714462acf6aSTony Nguyen hw->pkg_ver.minor, 3715462acf6aSTony Nguyen hw->pkg_ver.update, 3716462acf6aSTony Nguyen hw->pkg_ver.draft); 3717462acf6aSTony Nguyen } else { 371819cce2c6SAnirudh Venkataramanan dev_err(dev, "An unknown error occurred when loading the DDP package, please reboot the system. If the problem persists, update the NVM. Entering Safe Mode.\n"); 3719462acf6aSTony Nguyen *status = ICE_ERR_NOT_SUPPORTED; 3720462acf6aSTony Nguyen } 3721462acf6aSTony Nguyen break; 3722b8272919SVictor Raj case ICE_ERR_FW_DDP_MISMATCH: 3723b8272919SVictor 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"); 3724b8272919SVictor Raj break; 3725462acf6aSTony Nguyen case ICE_ERR_BUF_TOO_SHORT: 3726462acf6aSTony Nguyen case ICE_ERR_CFG: 372719cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file is invalid. Entering Safe Mode.\n"); 3728462acf6aSTony Nguyen break; 3729462acf6aSTony Nguyen case ICE_ERR_NOT_SUPPORTED: 3730462acf6aSTony Nguyen /* Package File version not supported */ 3731462acf6aSTony Nguyen if (hw->pkg_ver.major > ICE_PKG_SUPP_VER_MAJ || 3732462acf6aSTony Nguyen (hw->pkg_ver.major == ICE_PKG_SUPP_VER_MAJ && 3733462acf6aSTony Nguyen hw->pkg_ver.minor > ICE_PKG_SUPP_VER_MNR)) 373419cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file version is higher than the driver supports. Please use an updated driver. Entering Safe Mode.\n"); 3735462acf6aSTony Nguyen else if (hw->pkg_ver.major < ICE_PKG_SUPP_VER_MAJ || 3736462acf6aSTony Nguyen (hw->pkg_ver.major == ICE_PKG_SUPP_VER_MAJ && 3737462acf6aSTony Nguyen hw->pkg_ver.minor < ICE_PKG_SUPP_VER_MNR)) 373819cce2c6SAnirudh 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", 3739462acf6aSTony Nguyen ICE_PKG_SUPP_VER_MAJ, ICE_PKG_SUPP_VER_MNR); 3740462acf6aSTony Nguyen break; 3741462acf6aSTony Nguyen case ICE_ERR_AQ_ERROR: 3742e000248eSBruce Allan switch (hw->pkg_dwnld_status) { 3743462acf6aSTony Nguyen case ICE_AQ_RC_ENOSEC: 3744462acf6aSTony Nguyen case ICE_AQ_RC_EBADSIG: 374519cce2c6SAnirudh 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"); 3746462acf6aSTony Nguyen return; 3747462acf6aSTony Nguyen case ICE_AQ_RC_ESVN: 374819cce2c6SAnirudh 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"); 3749462acf6aSTony Nguyen return; 3750462acf6aSTony Nguyen case ICE_AQ_RC_EBADMAN: 3751462acf6aSTony Nguyen case ICE_AQ_RC_EBADBUF: 375219cce2c6SAnirudh Venkataramanan dev_err(dev, "An error occurred on the device while loading the DDP package. The device will be reset.\n"); 37539918f2d2SAnirudh Venkataramanan /* poll for reset to complete */ 37549918f2d2SAnirudh Venkataramanan if (ice_check_reset(hw)) 37559918f2d2SAnirudh Venkataramanan dev_err(dev, "Error resetting device. Please reload the driver\n"); 3756462acf6aSTony Nguyen return; 3757462acf6aSTony Nguyen default: 3758462acf6aSTony Nguyen break; 3759462acf6aSTony Nguyen } 37604e83fc93SBruce Allan fallthrough; 3761462acf6aSTony Nguyen default: 376219cce2c6SAnirudh Venkataramanan dev_err(dev, "An unknown error (%d) occurred when loading the DDP package. Entering Safe Mode.\n", 3763462acf6aSTony Nguyen *status); 3764462acf6aSTony Nguyen break; 3765462acf6aSTony Nguyen } 3766462acf6aSTony Nguyen } 3767462acf6aSTony Nguyen 3768462acf6aSTony Nguyen /** 3769462acf6aSTony Nguyen * ice_load_pkg - load/reload the DDP Package file 3770462acf6aSTony Nguyen * @firmware: firmware structure when firmware requested or NULL for reload 3771462acf6aSTony Nguyen * @pf: pointer to the PF instance 3772462acf6aSTony Nguyen * 3773462acf6aSTony Nguyen * Called on probe and post CORER/GLOBR rebuild to load DDP Package and 3774462acf6aSTony Nguyen * initialize HW tables. 3775462acf6aSTony Nguyen */ 3776462acf6aSTony Nguyen static void 3777462acf6aSTony Nguyen ice_load_pkg(const struct firmware *firmware, struct ice_pf *pf) 3778462acf6aSTony Nguyen { 3779462acf6aSTony Nguyen enum ice_status status = ICE_ERR_PARAM; 37804015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 3781462acf6aSTony Nguyen struct ice_hw *hw = &pf->hw; 3782462acf6aSTony Nguyen 3783462acf6aSTony Nguyen /* Load DDP Package */ 3784462acf6aSTony Nguyen if (firmware && !hw->pkg_copy) { 3785462acf6aSTony Nguyen status = ice_copy_and_init_pkg(hw, firmware->data, 3786462acf6aSTony Nguyen firmware->size); 3787462acf6aSTony Nguyen ice_log_pkg_init(hw, &status); 3788462acf6aSTony Nguyen } else if (!firmware && hw->pkg_copy) { 3789462acf6aSTony Nguyen /* Reload package during rebuild after CORER/GLOBR reset */ 3790462acf6aSTony Nguyen status = ice_init_pkg(hw, hw->pkg_copy, hw->pkg_size); 3791462acf6aSTony Nguyen ice_log_pkg_init(hw, &status); 3792462acf6aSTony Nguyen } else { 379319cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file failed to load. Entering Safe Mode.\n"); 3794462acf6aSTony Nguyen } 3795462acf6aSTony Nguyen 3796462acf6aSTony Nguyen if (status) { 3797462acf6aSTony Nguyen /* Safe Mode */ 3798462acf6aSTony Nguyen clear_bit(ICE_FLAG_ADV_FEATURES, pf->flags); 3799462acf6aSTony Nguyen return; 3800462acf6aSTony Nguyen } 3801462acf6aSTony Nguyen 3802462acf6aSTony Nguyen /* Successful download package is the precondition for advanced 3803462acf6aSTony Nguyen * features, hence setting the ICE_FLAG_ADV_FEATURES flag 3804462acf6aSTony Nguyen */ 3805462acf6aSTony Nguyen set_bit(ICE_FLAG_ADV_FEATURES, pf->flags); 3806462acf6aSTony Nguyen } 3807462acf6aSTony Nguyen 3808462acf6aSTony Nguyen /** 3809c585ea42SBrett Creeley * ice_verify_cacheline_size - verify driver's assumption of 64 Byte cache lines 3810c585ea42SBrett Creeley * @pf: pointer to the PF structure 3811c585ea42SBrett Creeley * 3812c585ea42SBrett Creeley * There is no error returned here because the driver should be able to handle 3813c585ea42SBrett Creeley * 128 Byte cache lines, so we only print a warning in case issues are seen, 3814c585ea42SBrett Creeley * specifically with Tx. 3815c585ea42SBrett Creeley */ 3816c585ea42SBrett Creeley static void ice_verify_cacheline_size(struct ice_pf *pf) 3817c585ea42SBrett Creeley { 3818c585ea42SBrett Creeley if (rd32(&pf->hw, GLPCI_CNF2) & GLPCI_CNF2_CACHELINE_SIZE_M) 381919cce2c6SAnirudh Venkataramanan dev_warn(ice_pf_to_dev(pf), "%d Byte cache line assumption is invalid, driver may have Tx timeouts!\n", 3820c585ea42SBrett Creeley ICE_CACHE_LINE_BYTES); 3821c585ea42SBrett Creeley } 3822c585ea42SBrett Creeley 3823c585ea42SBrett Creeley /** 3824e3710a01SPaul M Stillwell Jr * ice_send_version - update firmware with driver version 3825e3710a01SPaul M Stillwell Jr * @pf: PF struct 3826e3710a01SPaul M Stillwell Jr * 3827e3710a01SPaul M Stillwell Jr * Returns ICE_SUCCESS on success, else error code 3828e3710a01SPaul M Stillwell Jr */ 3829e3710a01SPaul M Stillwell Jr static enum ice_status ice_send_version(struct ice_pf *pf) 3830e3710a01SPaul M Stillwell Jr { 3831e3710a01SPaul M Stillwell Jr struct ice_driver_ver dv; 3832e3710a01SPaul M Stillwell Jr 383334a2a3b8SJeff Kirsher dv.major_ver = 0xff; 383434a2a3b8SJeff Kirsher dv.minor_ver = 0xff; 383534a2a3b8SJeff Kirsher dv.build_ver = 0xff; 3836e3710a01SPaul M Stillwell Jr dv.subbuild_ver = 0; 383734a2a3b8SJeff Kirsher strscpy((char *)dv.driver_string, UTS_RELEASE, 3838e3710a01SPaul M Stillwell Jr sizeof(dv.driver_string)); 3839e3710a01SPaul M Stillwell Jr return ice_aq_send_driver_ver(&pf->hw, &dv, NULL); 3840e3710a01SPaul M Stillwell Jr } 3841e3710a01SPaul M Stillwell Jr 3842e3710a01SPaul M Stillwell Jr /** 3843148beb61SHenry Tieman * ice_init_fdir - Initialize flow director VSI and configuration 3844148beb61SHenry Tieman * @pf: pointer to the PF instance 3845148beb61SHenry Tieman * 3846148beb61SHenry Tieman * returns 0 on success, negative on error 3847148beb61SHenry Tieman */ 3848148beb61SHenry Tieman static int ice_init_fdir(struct ice_pf *pf) 3849148beb61SHenry Tieman { 3850148beb61SHenry Tieman struct device *dev = ice_pf_to_dev(pf); 3851148beb61SHenry Tieman struct ice_vsi *ctrl_vsi; 3852148beb61SHenry Tieman int err; 3853148beb61SHenry Tieman 3854148beb61SHenry Tieman /* Side Band Flow Director needs to have a control VSI. 3855148beb61SHenry Tieman * Allocate it and store it in the PF. 3856148beb61SHenry Tieman */ 3857148beb61SHenry Tieman ctrl_vsi = ice_ctrl_vsi_setup(pf, pf->hw.port_info); 3858148beb61SHenry Tieman if (!ctrl_vsi) { 3859148beb61SHenry Tieman dev_dbg(dev, "could not create control VSI\n"); 3860148beb61SHenry Tieman return -ENOMEM; 3861148beb61SHenry Tieman } 3862148beb61SHenry Tieman 3863148beb61SHenry Tieman err = ice_vsi_open_ctrl(ctrl_vsi); 3864148beb61SHenry Tieman if (err) { 3865148beb61SHenry Tieman dev_dbg(dev, "could not open control VSI\n"); 3866148beb61SHenry Tieman goto err_vsi_open; 3867148beb61SHenry Tieman } 3868148beb61SHenry Tieman 3869148beb61SHenry Tieman mutex_init(&pf->hw.fdir_fltr_lock); 3870148beb61SHenry Tieman 3871148beb61SHenry Tieman err = ice_fdir_create_dflt_rules(pf); 3872148beb61SHenry Tieman if (err) 3873148beb61SHenry Tieman goto err_fdir_rule; 3874148beb61SHenry Tieman 3875148beb61SHenry Tieman return 0; 3876148beb61SHenry Tieman 3877148beb61SHenry Tieman err_fdir_rule: 3878148beb61SHenry Tieman ice_fdir_release_flows(&pf->hw); 3879148beb61SHenry Tieman ice_vsi_close(ctrl_vsi); 3880148beb61SHenry Tieman err_vsi_open: 3881148beb61SHenry Tieman ice_vsi_release(ctrl_vsi); 3882148beb61SHenry Tieman if (pf->ctrl_vsi_idx != ICE_NO_VSI) { 3883148beb61SHenry Tieman pf->vsi[pf->ctrl_vsi_idx] = NULL; 3884148beb61SHenry Tieman pf->ctrl_vsi_idx = ICE_NO_VSI; 3885148beb61SHenry Tieman } 3886148beb61SHenry Tieman return err; 3887148beb61SHenry Tieman } 3888148beb61SHenry Tieman 3889148beb61SHenry Tieman /** 3890462acf6aSTony Nguyen * ice_get_opt_fw_name - return optional firmware file name or NULL 3891462acf6aSTony Nguyen * @pf: pointer to the PF instance 3892462acf6aSTony Nguyen */ 3893462acf6aSTony Nguyen static char *ice_get_opt_fw_name(struct ice_pf *pf) 3894462acf6aSTony Nguyen { 3895462acf6aSTony Nguyen /* Optional firmware name same as default with additional dash 3896462acf6aSTony Nguyen * followed by a EUI-64 identifier (PCIe Device Serial Number) 3897462acf6aSTony Nguyen */ 3898462acf6aSTony Nguyen struct pci_dev *pdev = pf->pdev; 3899ceb2f007SJacob Keller char *opt_fw_filename; 3900ceb2f007SJacob Keller u64 dsn; 3901462acf6aSTony Nguyen 3902462acf6aSTony Nguyen /* Determine the name of the optional file using the DSN (two 3903462acf6aSTony Nguyen * dwords following the start of the DSN Capability). 3904462acf6aSTony Nguyen */ 3905ceb2f007SJacob Keller dsn = pci_get_dsn(pdev); 3906ceb2f007SJacob Keller if (!dsn) 3907ceb2f007SJacob Keller return NULL; 3908ceb2f007SJacob Keller 3909462acf6aSTony Nguyen opt_fw_filename = kzalloc(NAME_MAX, GFP_KERNEL); 3910462acf6aSTony Nguyen if (!opt_fw_filename) 3911462acf6aSTony Nguyen return NULL; 3912462acf6aSTony Nguyen 39131a9c561aSPaul M Stillwell Jr snprintf(opt_fw_filename, NAME_MAX, "%sice-%016llx.pkg", 3914ceb2f007SJacob Keller ICE_DDP_PKG_PATH, dsn); 3915462acf6aSTony Nguyen 3916462acf6aSTony Nguyen return opt_fw_filename; 3917462acf6aSTony Nguyen } 3918462acf6aSTony Nguyen 3919462acf6aSTony Nguyen /** 3920462acf6aSTony Nguyen * ice_request_fw - Device initialization routine 3921462acf6aSTony Nguyen * @pf: pointer to the PF instance 3922462acf6aSTony Nguyen */ 3923462acf6aSTony Nguyen static void ice_request_fw(struct ice_pf *pf) 3924462acf6aSTony Nguyen { 3925462acf6aSTony Nguyen char *opt_fw_filename = ice_get_opt_fw_name(pf); 3926462acf6aSTony Nguyen const struct firmware *firmware = NULL; 39274015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 3928462acf6aSTony Nguyen int err = 0; 3929462acf6aSTony Nguyen 3930462acf6aSTony Nguyen /* optional device-specific DDP (if present) overrides the default DDP 3931462acf6aSTony Nguyen * package file. kernel logs a debug message if the file doesn't exist, 3932462acf6aSTony Nguyen * and warning messages for other errors. 3933462acf6aSTony Nguyen */ 3934462acf6aSTony Nguyen if (opt_fw_filename) { 3935462acf6aSTony Nguyen err = firmware_request_nowarn(&firmware, opt_fw_filename, dev); 3936462acf6aSTony Nguyen if (err) { 3937462acf6aSTony Nguyen kfree(opt_fw_filename); 3938462acf6aSTony Nguyen goto dflt_pkg_load; 3939462acf6aSTony Nguyen } 3940462acf6aSTony Nguyen 3941462acf6aSTony Nguyen /* request for firmware was successful. Download to device */ 3942462acf6aSTony Nguyen ice_load_pkg(firmware, pf); 3943462acf6aSTony Nguyen kfree(opt_fw_filename); 3944462acf6aSTony Nguyen release_firmware(firmware); 3945462acf6aSTony Nguyen return; 3946462acf6aSTony Nguyen } 3947462acf6aSTony Nguyen 3948462acf6aSTony Nguyen dflt_pkg_load: 3949462acf6aSTony Nguyen err = request_firmware(&firmware, ICE_DDP_PKG_FILE, dev); 3950462acf6aSTony Nguyen if (err) { 395119cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file was not found or could not be read. Entering Safe Mode\n"); 3952462acf6aSTony Nguyen return; 3953462acf6aSTony Nguyen } 3954462acf6aSTony Nguyen 3955462acf6aSTony Nguyen /* request for firmware was successful. Download to device */ 3956462acf6aSTony Nguyen ice_load_pkg(firmware, pf); 3957462acf6aSTony Nguyen release_firmware(firmware); 3958462acf6aSTony Nguyen } 3959462acf6aSTony Nguyen 3960462acf6aSTony Nguyen /** 3961769c500dSAkeem G Abodunrin * ice_print_wake_reason - show the wake up cause in the log 3962769c500dSAkeem G Abodunrin * @pf: pointer to the PF struct 3963769c500dSAkeem G Abodunrin */ 3964769c500dSAkeem G Abodunrin static void ice_print_wake_reason(struct ice_pf *pf) 3965769c500dSAkeem G Abodunrin { 3966769c500dSAkeem G Abodunrin u32 wus = pf->wakeup_reason; 3967769c500dSAkeem G Abodunrin const char *wake_str; 3968769c500dSAkeem G Abodunrin 3969769c500dSAkeem G Abodunrin /* if no wake event, nothing to print */ 3970769c500dSAkeem G Abodunrin if (!wus) 3971769c500dSAkeem G Abodunrin return; 3972769c500dSAkeem G Abodunrin 3973769c500dSAkeem G Abodunrin if (wus & PFPM_WUS_LNKC_M) 3974769c500dSAkeem G Abodunrin wake_str = "Link\n"; 3975769c500dSAkeem G Abodunrin else if (wus & PFPM_WUS_MAG_M) 3976769c500dSAkeem G Abodunrin wake_str = "Magic Packet\n"; 3977769c500dSAkeem G Abodunrin else if (wus & PFPM_WUS_MNG_M) 3978769c500dSAkeem G Abodunrin wake_str = "Management\n"; 3979769c500dSAkeem G Abodunrin else if (wus & PFPM_WUS_FW_RST_WK_M) 3980769c500dSAkeem G Abodunrin wake_str = "Firmware Reset\n"; 3981769c500dSAkeem G Abodunrin else 3982769c500dSAkeem G Abodunrin wake_str = "Unknown\n"; 3983769c500dSAkeem G Abodunrin 3984769c500dSAkeem G Abodunrin dev_info(ice_pf_to_dev(pf), "Wake reason: %s", wake_str); 3985769c500dSAkeem G Abodunrin } 3986769c500dSAkeem G Abodunrin 3987769c500dSAkeem G Abodunrin /** 3988837f08fdSAnirudh Venkataramanan * ice_probe - Device initialization routine 3989837f08fdSAnirudh Venkataramanan * @pdev: PCI device information struct 3990837f08fdSAnirudh Venkataramanan * @ent: entry in ice_pci_tbl 3991837f08fdSAnirudh Venkataramanan * 3992837f08fdSAnirudh Venkataramanan * Returns 0 on success, negative on failure 3993837f08fdSAnirudh Venkataramanan */ 3994c8b7abddSBruce Allan static int 3995c8b7abddSBruce Allan ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent) 3996837f08fdSAnirudh Venkataramanan { 399777ed84f4SBruce Allan struct device *dev = &pdev->dev; 3998837f08fdSAnirudh Venkataramanan struct ice_pf *pf; 3999837f08fdSAnirudh Venkataramanan struct ice_hw *hw; 4000b20e6c17SJakub Kicinski int i, err; 4001837f08fdSAnirudh Venkataramanan 40024ee656bbSTony Nguyen /* this driver uses devres, see 40034ee656bbSTony Nguyen * Documentation/driver-api/driver-model/devres.rst 40044ee656bbSTony Nguyen */ 4005837f08fdSAnirudh Venkataramanan err = pcim_enable_device(pdev); 4006837f08fdSAnirudh Venkataramanan if (err) 4007837f08fdSAnirudh Venkataramanan return err; 4008837f08fdSAnirudh Venkataramanan 4009837f08fdSAnirudh Venkataramanan err = pcim_iomap_regions(pdev, BIT(ICE_BAR0), pci_name(pdev)); 4010837f08fdSAnirudh Venkataramanan if (err) { 401177ed84f4SBruce Allan dev_err(dev, "BAR0 I/O map error %d\n", err); 4012837f08fdSAnirudh Venkataramanan return err; 4013837f08fdSAnirudh Venkataramanan } 4014837f08fdSAnirudh Venkataramanan 40151adf7eadSJacob Keller pf = ice_allocate_pf(dev); 4016837f08fdSAnirudh Venkataramanan if (!pf) 4017837f08fdSAnirudh Venkataramanan return -ENOMEM; 4018837f08fdSAnirudh Venkataramanan 40192f2da36eSAnirudh Venkataramanan /* set up for high or low DMA */ 402077ed84f4SBruce Allan err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); 4021837f08fdSAnirudh Venkataramanan if (err) 402277ed84f4SBruce Allan err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); 4023837f08fdSAnirudh Venkataramanan if (err) { 402477ed84f4SBruce Allan dev_err(dev, "DMA configuration failed: 0x%x\n", err); 4025837f08fdSAnirudh Venkataramanan return err; 4026837f08fdSAnirudh Venkataramanan } 4027837f08fdSAnirudh Venkataramanan 4028837f08fdSAnirudh Venkataramanan pci_enable_pcie_error_reporting(pdev); 4029837f08fdSAnirudh Venkataramanan pci_set_master(pdev); 4030837f08fdSAnirudh Venkataramanan 4031837f08fdSAnirudh Venkataramanan pf->pdev = pdev; 4032837f08fdSAnirudh Venkataramanan pci_set_drvdata(pdev, pf); 4033837f08fdSAnirudh Venkataramanan set_bit(__ICE_DOWN, pf->state); 40348d81fa55SAkeem G Abodunrin /* Disable service task until DOWN bit is cleared */ 40358d81fa55SAkeem G Abodunrin set_bit(__ICE_SERVICE_DIS, pf->state); 4036837f08fdSAnirudh Venkataramanan 4037837f08fdSAnirudh Venkataramanan hw = &pf->hw; 4038837f08fdSAnirudh Venkataramanan hw->hw_addr = pcim_iomap_table(pdev)[ICE_BAR0]; 40394e56802eSMichal Swiatkowski pci_save_state(pdev); 40404e56802eSMichal Swiatkowski 4041837f08fdSAnirudh Venkataramanan hw->back = pf; 4042837f08fdSAnirudh Venkataramanan hw->vendor_id = pdev->vendor; 4043837f08fdSAnirudh Venkataramanan hw->device_id = pdev->device; 4044837f08fdSAnirudh Venkataramanan pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id); 4045837f08fdSAnirudh Venkataramanan hw->subsystem_vendor_id = pdev->subsystem_vendor; 4046837f08fdSAnirudh Venkataramanan hw->subsystem_device_id = pdev->subsystem_device; 4047837f08fdSAnirudh Venkataramanan hw->bus.device = PCI_SLOT(pdev->devfn); 4048837f08fdSAnirudh Venkataramanan hw->bus.func = PCI_FUNC(pdev->devfn); 4049f31e4b6fSAnirudh Venkataramanan ice_set_ctrlq_len(hw); 4050f31e4b6fSAnirudh Venkataramanan 4051837f08fdSAnirudh Venkataramanan pf->msg_enable = netif_msg_init(debug, ICE_DFLT_NETIF_M); 4052837f08fdSAnirudh Venkataramanan 40531adf7eadSJacob Keller err = ice_devlink_register(pf); 40541adf7eadSJacob Keller if (err) { 40551adf7eadSJacob Keller dev_err(dev, "ice_devlink_register failed: %d\n", err); 40561adf7eadSJacob Keller goto err_exit_unroll; 40571adf7eadSJacob Keller } 40581adf7eadSJacob Keller 40597ec59eeaSAnirudh Venkataramanan #ifndef CONFIG_DYNAMIC_DEBUG 40607ec59eeaSAnirudh Venkataramanan if (debug < -1) 40617ec59eeaSAnirudh Venkataramanan hw->debug_mask = debug; 40627ec59eeaSAnirudh Venkataramanan #endif 40637ec59eeaSAnirudh Venkataramanan 4064f31e4b6fSAnirudh Venkataramanan err = ice_init_hw(hw); 4065f31e4b6fSAnirudh Venkataramanan if (err) { 406677ed84f4SBruce Allan dev_err(dev, "ice_init_hw failed: %d\n", err); 4067f31e4b6fSAnirudh Venkataramanan err = -EIO; 4068f31e4b6fSAnirudh Venkataramanan goto err_exit_unroll; 4069f31e4b6fSAnirudh Venkataramanan } 4070f31e4b6fSAnirudh Venkataramanan 4071462acf6aSTony Nguyen ice_request_fw(pf); 4072462acf6aSTony Nguyen 4073462acf6aSTony Nguyen /* if ice_request_fw fails, ICE_FLAG_ADV_FEATURES bit won't be 4074462acf6aSTony Nguyen * set in pf->state, which will cause ice_is_safe_mode to return 4075462acf6aSTony Nguyen * true 4076462acf6aSTony Nguyen */ 4077462acf6aSTony Nguyen if (ice_is_safe_mode(pf)) { 407819cce2c6SAnirudh Venkataramanan dev_err(dev, "Package download failed. Advanced features disabled - Device now in Safe Mode\n"); 4079462acf6aSTony Nguyen /* we already got function/device capabilities but these don't 4080462acf6aSTony Nguyen * reflect what the driver needs to do in safe mode. Instead of 4081462acf6aSTony Nguyen * adding conditional logic everywhere to ignore these 4082462acf6aSTony Nguyen * device/function capabilities, override them. 4083462acf6aSTony Nguyen */ 4084462acf6aSTony Nguyen ice_set_safe_mode_caps(hw); 4085462acf6aSTony Nguyen } 4086462acf6aSTony Nguyen 408778b5713aSAnirudh Venkataramanan err = ice_init_pf(pf); 408878b5713aSAnirudh Venkataramanan if (err) { 408978b5713aSAnirudh Venkataramanan dev_err(dev, "ice_init_pf failed: %d\n", err); 409078b5713aSAnirudh Venkataramanan goto err_init_pf_unroll; 409178b5713aSAnirudh Venkataramanan } 4092940b61afSAnirudh Venkataramanan 4093dce730f1SJacob Keller ice_devlink_init_regions(pf); 4094dce730f1SJacob Keller 4095b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.set_port = ice_udp_tunnel_set_port; 4096b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.unset_port = ice_udp_tunnel_unset_port; 4097b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP; 4098b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.shared = &pf->hw.udp_tunnel_shared; 4099b20e6c17SJakub Kicinski i = 0; 4100b20e6c17SJakub Kicinski if (pf->hw.tnl.valid_count[TNL_VXLAN]) { 4101b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.tables[i].n_entries = 4102b20e6c17SJakub Kicinski pf->hw.tnl.valid_count[TNL_VXLAN]; 4103b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.tables[i].tunnel_types = 4104b20e6c17SJakub Kicinski UDP_TUNNEL_TYPE_VXLAN; 4105b20e6c17SJakub Kicinski i++; 4106b20e6c17SJakub Kicinski } 4107b20e6c17SJakub Kicinski if (pf->hw.tnl.valid_count[TNL_GENEVE]) { 4108b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.tables[i].n_entries = 4109b20e6c17SJakub Kicinski pf->hw.tnl.valid_count[TNL_GENEVE]; 4110b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.tables[i].tunnel_types = 4111b20e6c17SJakub Kicinski UDP_TUNNEL_TYPE_GENEVE; 4112b20e6c17SJakub Kicinski i++; 4113b20e6c17SJakub Kicinski } 4114b20e6c17SJakub Kicinski 4115995c90f2SAnirudh Venkataramanan pf->num_alloc_vsi = hw->func_caps.guar_num_vsi; 4116940b61afSAnirudh Venkataramanan if (!pf->num_alloc_vsi) { 4117940b61afSAnirudh Venkataramanan err = -EIO; 4118940b61afSAnirudh Venkataramanan goto err_init_pf_unroll; 4119940b61afSAnirudh Venkataramanan } 4120b20e6c17SJakub Kicinski if (pf->num_alloc_vsi > UDP_TUNNEL_NIC_MAX_SHARING_DEVICES) { 4121b20e6c17SJakub Kicinski dev_warn(&pf->pdev->dev, 4122b20e6c17SJakub Kicinski "limiting the VSI count due to UDP tunnel limitation %d > %d\n", 4123b20e6c17SJakub Kicinski pf->num_alloc_vsi, UDP_TUNNEL_NIC_MAX_SHARING_DEVICES); 4124b20e6c17SJakub Kicinski pf->num_alloc_vsi = UDP_TUNNEL_NIC_MAX_SHARING_DEVICES; 4125b20e6c17SJakub Kicinski } 4126940b61afSAnirudh Venkataramanan 412777ed84f4SBruce Allan pf->vsi = devm_kcalloc(dev, pf->num_alloc_vsi, sizeof(*pf->vsi), 412877ed84f4SBruce Allan GFP_KERNEL); 4129940b61afSAnirudh Venkataramanan if (!pf->vsi) { 4130940b61afSAnirudh Venkataramanan err = -ENOMEM; 4131940b61afSAnirudh Venkataramanan goto err_init_pf_unroll; 4132940b61afSAnirudh Venkataramanan } 4133940b61afSAnirudh Venkataramanan 4134940b61afSAnirudh Venkataramanan err = ice_init_interrupt_scheme(pf); 4135940b61afSAnirudh Venkataramanan if (err) { 413677ed84f4SBruce Allan dev_err(dev, "ice_init_interrupt_scheme failed: %d\n", err); 4137940b61afSAnirudh Venkataramanan err = -EIO; 4138bc3a0241SJacob Keller goto err_init_vsi_unroll; 4139940b61afSAnirudh Venkataramanan } 4140940b61afSAnirudh Venkataramanan 4141940b61afSAnirudh Venkataramanan /* In case of MSIX we are going to setup the misc vector right here 4142940b61afSAnirudh Venkataramanan * to handle admin queue events etc. In case of legacy and MSI 4143940b61afSAnirudh Venkataramanan * the misc functionality and queue processing is combined in 4144940b61afSAnirudh Venkataramanan * the same vector and that gets setup at open. 4145940b61afSAnirudh Venkataramanan */ 4146940b61afSAnirudh Venkataramanan err = ice_req_irq_msix_misc(pf); 4147940b61afSAnirudh Venkataramanan if (err) { 414877ed84f4SBruce Allan dev_err(dev, "setup of misc vector failed: %d\n", err); 4149940b61afSAnirudh Venkataramanan goto err_init_interrupt_unroll; 4150940b61afSAnirudh Venkataramanan } 4151940b61afSAnirudh Venkataramanan 4152940b61afSAnirudh Venkataramanan /* create switch struct for the switch element created by FW on boot */ 415377ed84f4SBruce Allan pf->first_sw = devm_kzalloc(dev, sizeof(*pf->first_sw), GFP_KERNEL); 4154940b61afSAnirudh Venkataramanan if (!pf->first_sw) { 4155940b61afSAnirudh Venkataramanan err = -ENOMEM; 4156940b61afSAnirudh Venkataramanan goto err_msix_misc_unroll; 4157940b61afSAnirudh Venkataramanan } 4158940b61afSAnirudh Venkataramanan 4159b1edc14aSMd Fahad Iqbal Polash if (hw->evb_veb) 4160940b61afSAnirudh Venkataramanan pf->first_sw->bridge_mode = BRIDGE_MODE_VEB; 4161b1edc14aSMd Fahad Iqbal Polash else 4162b1edc14aSMd Fahad Iqbal Polash pf->first_sw->bridge_mode = BRIDGE_MODE_VEPA; 4163b1edc14aSMd Fahad Iqbal Polash 4164940b61afSAnirudh Venkataramanan pf->first_sw->pf = pf; 4165940b61afSAnirudh Venkataramanan 4166940b61afSAnirudh Venkataramanan /* record the sw_id available for later use */ 4167940b61afSAnirudh Venkataramanan pf->first_sw->sw_id = hw->port_info->sw_id; 4168940b61afSAnirudh Venkataramanan 41693a858ba3SAnirudh Venkataramanan err = ice_setup_pf_sw(pf); 41703a858ba3SAnirudh Venkataramanan if (err) { 41712f2da36eSAnirudh Venkataramanan dev_err(dev, "probe failed due to setup PF switch: %d\n", err); 41723a858ba3SAnirudh Venkataramanan goto err_alloc_sw_unroll; 41733a858ba3SAnirudh Venkataramanan } 41749daf8208SAnirudh Venkataramanan 41758d81fa55SAkeem G Abodunrin clear_bit(__ICE_SERVICE_DIS, pf->state); 41769daf8208SAnirudh Venkataramanan 4177e3710a01SPaul M Stillwell Jr /* tell the firmware we are up */ 4178e3710a01SPaul M Stillwell Jr err = ice_send_version(pf); 4179e3710a01SPaul M Stillwell Jr if (err) { 418019cce2c6SAnirudh Venkataramanan dev_err(dev, "probe failed sending driver version %s. error: %d\n", 418134a2a3b8SJeff Kirsher UTS_RELEASE, err); 418278116e97SMarcin Szycik goto err_send_version_unroll; 4183e3710a01SPaul M Stillwell Jr } 4184e3710a01SPaul M Stillwell Jr 41859daf8208SAnirudh Venkataramanan /* since everything is good, start the service timer */ 41869daf8208SAnirudh Venkataramanan mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period)); 41879daf8208SAnirudh Venkataramanan 4188250c3b3eSBrett Creeley err = ice_init_link_events(pf->hw.port_info); 4189250c3b3eSBrett Creeley if (err) { 4190250c3b3eSBrett Creeley dev_err(dev, "ice_init_link_events failed: %d\n", err); 419178116e97SMarcin Szycik goto err_send_version_unroll; 4192250c3b3eSBrett Creeley } 4193250c3b3eSBrett Creeley 419408771bceSAnirudh Venkataramanan /* not a fatal error if this fails */ 41951a3571b5SPaul Greenwalt err = ice_init_nvm_phy_type(pf->hw.port_info); 419608771bceSAnirudh Venkataramanan if (err) 41971a3571b5SPaul Greenwalt dev_err(dev, "ice_init_nvm_phy_type failed: %d\n", err); 41981a3571b5SPaul Greenwalt 419908771bceSAnirudh Venkataramanan /* not a fatal error if this fails */ 42001a3571b5SPaul Greenwalt err = ice_update_link_info(pf->hw.port_info); 420108771bceSAnirudh Venkataramanan if (err) 42021a3571b5SPaul Greenwalt dev_err(dev, "ice_update_link_info failed: %d\n", err); 42031a3571b5SPaul Greenwalt 4204ea78ce4dSPaul Greenwalt ice_init_link_dflt_override(pf->hw.port_info); 4205ea78ce4dSPaul Greenwalt 42061a3571b5SPaul Greenwalt /* if media available, initialize PHY settings */ 42071a3571b5SPaul Greenwalt if (pf->hw.port_info->phy.link_info.link_info & 42081a3571b5SPaul Greenwalt ICE_AQ_MEDIA_AVAILABLE) { 420908771bceSAnirudh Venkataramanan /* not a fatal error if this fails */ 42101a3571b5SPaul Greenwalt err = ice_init_phy_user_cfg(pf->hw.port_info); 421108771bceSAnirudh Venkataramanan if (err) 42121a3571b5SPaul Greenwalt dev_err(dev, "ice_init_phy_user_cfg failed: %d\n", err); 42131a3571b5SPaul Greenwalt 42141a3571b5SPaul Greenwalt if (!test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags)) { 42151a3571b5SPaul Greenwalt struct ice_vsi *vsi = ice_get_main_vsi(pf); 42161a3571b5SPaul Greenwalt 42171a3571b5SPaul Greenwalt if (vsi) 42181a3571b5SPaul Greenwalt ice_configure_phy(vsi); 42191a3571b5SPaul Greenwalt } 42201a3571b5SPaul Greenwalt } else { 42211a3571b5SPaul Greenwalt set_bit(ICE_FLAG_NO_MEDIA, pf->flags); 42221a3571b5SPaul Greenwalt } 42231a3571b5SPaul Greenwalt 4224c585ea42SBrett Creeley ice_verify_cacheline_size(pf); 4225c585ea42SBrett Creeley 4226769c500dSAkeem G Abodunrin /* Save wakeup reason register for later use */ 4227769c500dSAkeem G Abodunrin pf->wakeup_reason = rd32(hw, PFPM_WUS); 4228769c500dSAkeem G Abodunrin 4229769c500dSAkeem G Abodunrin /* check for a power management event */ 4230769c500dSAkeem G Abodunrin ice_print_wake_reason(pf); 4231769c500dSAkeem G Abodunrin 4232769c500dSAkeem G Abodunrin /* clear wake status, all bits */ 4233769c500dSAkeem G Abodunrin wr32(hw, PFPM_WUS, U32_MAX); 4234769c500dSAkeem G Abodunrin 4235769c500dSAkeem G Abodunrin /* Disable WoL at init, wait for user to enable */ 4236769c500dSAkeem G Abodunrin device_set_wakeup_enable(dev, false); 4237769c500dSAkeem G Abodunrin 4238cd1f56f4SBrett Creeley if (ice_is_safe_mode(pf)) { 4239cd1f56f4SBrett Creeley ice_set_safe_mode_vlan_cfg(pf); 4240de75135bSAnirudh Venkataramanan goto probe_done; 4241cd1f56f4SBrett Creeley } 4242462acf6aSTony Nguyen 4243462acf6aSTony Nguyen /* initialize DDP driven features */ 4244462acf6aSTony Nguyen 4245148beb61SHenry Tieman /* Note: Flow director init failure is non-fatal to load */ 4246148beb61SHenry Tieman if (ice_init_fdir(pf)) 4247148beb61SHenry Tieman dev_err(dev, "could not initialize flow director\n"); 4248148beb61SHenry Tieman 4249462acf6aSTony Nguyen /* Note: DCB init failure is non-fatal to load */ 4250462acf6aSTony Nguyen if (ice_init_pf_dcb(pf, false)) { 4251462acf6aSTony Nguyen clear_bit(ICE_FLAG_DCB_CAPABLE, pf->flags); 4252462acf6aSTony Nguyen clear_bit(ICE_FLAG_DCB_ENA, pf->flags); 4253462acf6aSTony Nguyen } else { 4254462acf6aSTony Nguyen ice_cfg_lldp_mib_change(&pf->hw, true); 4255462acf6aSTony Nguyen } 4256462acf6aSTony Nguyen 4257df006dd4SDave Ertman if (ice_init_lag(pf)) 4258df006dd4SDave Ertman dev_warn(dev, "Failed to init link aggregation support\n"); 4259df006dd4SDave Ertman 4260e18ff118SPaul Greenwalt /* print PCI link speed and width */ 4261e18ff118SPaul Greenwalt pcie_print_link_status(pf->pdev); 4262e18ff118SPaul Greenwalt 4263de75135bSAnirudh Venkataramanan probe_done: 4264de75135bSAnirudh Venkataramanan /* ready to go, so clear down state bit */ 4265de75135bSAnirudh Venkataramanan clear_bit(__ICE_DOWN, pf->state); 4266837f08fdSAnirudh Venkataramanan return 0; 4267f31e4b6fSAnirudh Venkataramanan 426878116e97SMarcin Szycik err_send_version_unroll: 426978116e97SMarcin Szycik ice_vsi_release_all(pf); 42703a858ba3SAnirudh Venkataramanan err_alloc_sw_unroll: 42718d81fa55SAkeem G Abodunrin set_bit(__ICE_SERVICE_DIS, pf->state); 42723a858ba3SAnirudh Venkataramanan set_bit(__ICE_DOWN, pf->state); 42734015d11eSBrett Creeley devm_kfree(dev, pf->first_sw); 4274940b61afSAnirudh Venkataramanan err_msix_misc_unroll: 4275940b61afSAnirudh Venkataramanan ice_free_irq_msix_misc(pf); 4276940b61afSAnirudh Venkataramanan err_init_interrupt_unroll: 4277940b61afSAnirudh Venkataramanan ice_clear_interrupt_scheme(pf); 4278bc3a0241SJacob Keller err_init_vsi_unroll: 427977ed84f4SBruce Allan devm_kfree(dev, pf->vsi); 4280940b61afSAnirudh Venkataramanan err_init_pf_unroll: 4281940b61afSAnirudh Venkataramanan ice_deinit_pf(pf); 4282dce730f1SJacob Keller ice_devlink_destroy_regions(pf); 4283940b61afSAnirudh Venkataramanan ice_deinit_hw(hw); 4284f31e4b6fSAnirudh Venkataramanan err_exit_unroll: 42851adf7eadSJacob Keller ice_devlink_unregister(pf); 4286f31e4b6fSAnirudh Venkataramanan pci_disable_pcie_error_reporting(pdev); 4287769c500dSAkeem G Abodunrin pci_disable_device(pdev); 4288f31e4b6fSAnirudh Venkataramanan return err; 4289837f08fdSAnirudh Venkataramanan } 4290837f08fdSAnirudh Venkataramanan 4291837f08fdSAnirudh Venkataramanan /** 4292769c500dSAkeem G Abodunrin * ice_set_wake - enable or disable Wake on LAN 4293769c500dSAkeem G Abodunrin * @pf: pointer to the PF struct 4294769c500dSAkeem G Abodunrin * 4295769c500dSAkeem G Abodunrin * Simple helper for WoL control 4296769c500dSAkeem G Abodunrin */ 4297769c500dSAkeem G Abodunrin static void ice_set_wake(struct ice_pf *pf) 4298769c500dSAkeem G Abodunrin { 4299769c500dSAkeem G Abodunrin struct ice_hw *hw = &pf->hw; 4300769c500dSAkeem G Abodunrin bool wol = pf->wol_ena; 4301769c500dSAkeem G Abodunrin 4302769c500dSAkeem G Abodunrin /* clear wake state, otherwise new wake events won't fire */ 4303769c500dSAkeem G Abodunrin wr32(hw, PFPM_WUS, U32_MAX); 4304769c500dSAkeem G Abodunrin 4305769c500dSAkeem G Abodunrin /* enable / disable APM wake up, no RMW needed */ 4306769c500dSAkeem G Abodunrin wr32(hw, PFPM_APM, wol ? PFPM_APM_APME_M : 0); 4307769c500dSAkeem G Abodunrin 4308769c500dSAkeem G Abodunrin /* set magic packet filter enabled */ 4309769c500dSAkeem G Abodunrin wr32(hw, PFPM_WUFC, wol ? PFPM_WUFC_MAG_M : 0); 4310769c500dSAkeem G Abodunrin } 4311769c500dSAkeem G Abodunrin 4312769c500dSAkeem G Abodunrin /** 4313769c500dSAkeem G Abodunrin * ice_setup_magic_mc_wake - setup device to wake on multicast magic packet 4314769c500dSAkeem G Abodunrin * @pf: pointer to the PF struct 4315769c500dSAkeem G Abodunrin * 4316769c500dSAkeem G Abodunrin * Issue firmware command to enable multicast magic wake, making 4317769c500dSAkeem G Abodunrin * sure that any locally administered address (LAA) is used for 4318769c500dSAkeem G Abodunrin * wake, and that PF reset doesn't undo the LAA. 4319769c500dSAkeem G Abodunrin */ 4320769c500dSAkeem G Abodunrin static void ice_setup_mc_magic_wake(struct ice_pf *pf) 4321769c500dSAkeem G Abodunrin { 4322769c500dSAkeem G Abodunrin struct device *dev = ice_pf_to_dev(pf); 4323769c500dSAkeem G Abodunrin struct ice_hw *hw = &pf->hw; 4324769c500dSAkeem G Abodunrin enum ice_status status; 4325769c500dSAkeem G Abodunrin u8 mac_addr[ETH_ALEN]; 4326769c500dSAkeem G Abodunrin struct ice_vsi *vsi; 4327769c500dSAkeem G Abodunrin u8 flags; 4328769c500dSAkeem G Abodunrin 4329769c500dSAkeem G Abodunrin if (!pf->wol_ena) 4330769c500dSAkeem G Abodunrin return; 4331769c500dSAkeem G Abodunrin 4332769c500dSAkeem G Abodunrin vsi = ice_get_main_vsi(pf); 4333769c500dSAkeem G Abodunrin if (!vsi) 4334769c500dSAkeem G Abodunrin return; 4335769c500dSAkeem G Abodunrin 4336769c500dSAkeem G Abodunrin /* Get current MAC address in case it's an LAA */ 4337769c500dSAkeem G Abodunrin if (vsi->netdev) 4338769c500dSAkeem G Abodunrin ether_addr_copy(mac_addr, vsi->netdev->dev_addr); 4339769c500dSAkeem G Abodunrin else 4340769c500dSAkeem G Abodunrin ether_addr_copy(mac_addr, vsi->port_info->mac.perm_addr); 4341769c500dSAkeem G Abodunrin 4342769c500dSAkeem G Abodunrin flags = ICE_AQC_MAN_MAC_WR_MC_MAG_EN | 4343769c500dSAkeem G Abodunrin ICE_AQC_MAN_MAC_UPDATE_LAA_WOL | 4344769c500dSAkeem G Abodunrin ICE_AQC_MAN_MAC_WR_WOL_LAA_PFR_KEEP; 4345769c500dSAkeem G Abodunrin 4346769c500dSAkeem G Abodunrin status = ice_aq_manage_mac_write(hw, mac_addr, flags, NULL); 4347769c500dSAkeem G Abodunrin if (status) 4348769c500dSAkeem G Abodunrin dev_err(dev, "Failed to enable Multicast Magic Packet wake, err %s aq_err %s\n", 4349769c500dSAkeem G Abodunrin ice_stat_str(status), 4350769c500dSAkeem G Abodunrin ice_aq_str(hw->adminq.sq_last_status)); 4351769c500dSAkeem G Abodunrin } 4352769c500dSAkeem G Abodunrin 4353769c500dSAkeem G Abodunrin /** 4354837f08fdSAnirudh Venkataramanan * ice_remove - Device removal routine 4355837f08fdSAnirudh Venkataramanan * @pdev: PCI device information struct 4356837f08fdSAnirudh Venkataramanan */ 4357837f08fdSAnirudh Venkataramanan static void ice_remove(struct pci_dev *pdev) 4358837f08fdSAnirudh Venkataramanan { 4359837f08fdSAnirudh Venkataramanan struct ice_pf *pf = pci_get_drvdata(pdev); 436081b23589SDave Ertman int i; 4361837f08fdSAnirudh Venkataramanan 4362837f08fdSAnirudh Venkataramanan if (!pf) 4363837f08fdSAnirudh Venkataramanan return; 4364837f08fdSAnirudh Venkataramanan 4365afd9d4abSAnirudh Venkataramanan for (i = 0; i < ICE_MAX_RESET_WAIT; i++) { 4366afd9d4abSAnirudh Venkataramanan if (!ice_is_reset_in_progress(pf->state)) 4367afd9d4abSAnirudh Venkataramanan break; 4368afd9d4abSAnirudh Venkataramanan msleep(100); 4369afd9d4abSAnirudh Venkataramanan } 4370afd9d4abSAnirudh Venkataramanan 4371f844d521SBrett Creeley if (test_bit(ICE_FLAG_SRIOV_ENA, pf->flags)) { 4372f844d521SBrett Creeley set_bit(__ICE_VF_RESETS_DISABLED, pf->state); 4373f844d521SBrett Creeley ice_free_vfs(pf); 4374f844d521SBrett Creeley } 4375f844d521SBrett Creeley 4376837f08fdSAnirudh Venkataramanan set_bit(__ICE_DOWN, pf->state); 43778d81fa55SAkeem G Abodunrin ice_service_task_stop(pf); 4378f31e4b6fSAnirudh Venkataramanan 4379d69ea414SJacob Keller ice_aq_cancel_waiting_tasks(pf); 4380d69ea414SJacob Keller 4381148beb61SHenry Tieman mutex_destroy(&(&pf->hw)->fdir_fltr_lock); 4382df006dd4SDave Ertman ice_deinit_lag(pf); 438328bf2672SBrett Creeley if (!ice_is_safe_mode(pf)) 438428bf2672SBrett Creeley ice_remove_arfs(pf); 4385769c500dSAkeem G Abodunrin ice_setup_mc_magic_wake(pf); 43860f9d5027SAnirudh Venkataramanan ice_vsi_release_all(pf); 4387769c500dSAkeem G Abodunrin ice_set_wake(pf); 4388940b61afSAnirudh Venkataramanan ice_free_irq_msix_misc(pf); 438981b23589SDave Ertman ice_for_each_vsi(pf, i) { 439081b23589SDave Ertman if (!pf->vsi[i]) 439181b23589SDave Ertman continue; 439281b23589SDave Ertman ice_vsi_free_q_vectors(pf->vsi[i]); 439381b23589SDave Ertman } 4394940b61afSAnirudh Venkataramanan ice_deinit_pf(pf); 4395dce730f1SJacob Keller ice_devlink_destroy_regions(pf); 4396f31e4b6fSAnirudh Venkataramanan ice_deinit_hw(&pf->hw); 43971adf7eadSJacob Keller ice_devlink_unregister(pf); 43981adf7eadSJacob Keller 439918057cb3SBruce Allan /* Issue a PFR as part of the prescribed driver unload flow. Do not 440018057cb3SBruce Allan * do it via ice_schedule_reset() since there is no need to rebuild 440118057cb3SBruce Allan * and the service task is already stopped. 440218057cb3SBruce Allan */ 440318057cb3SBruce Allan ice_reset(&pf->hw, ICE_RESET_PFR); 4404c6012ac1SBruce Allan pci_wait_for_pending_transaction(pdev); 4405c6012ac1SBruce Allan ice_clear_interrupt_scheme(pf); 4406837f08fdSAnirudh Venkataramanan pci_disable_pcie_error_reporting(pdev); 4407769c500dSAkeem G Abodunrin pci_disable_device(pdev); 4408837f08fdSAnirudh Venkataramanan } 4409837f08fdSAnirudh Venkataramanan 44105995b6d0SBrett Creeley /** 4411769c500dSAkeem G Abodunrin * ice_shutdown - PCI callback for shutting down device 4412769c500dSAkeem G Abodunrin * @pdev: PCI device information struct 4413769c500dSAkeem G Abodunrin */ 4414769c500dSAkeem G Abodunrin static void ice_shutdown(struct pci_dev *pdev) 4415769c500dSAkeem G Abodunrin { 4416769c500dSAkeem G Abodunrin struct ice_pf *pf = pci_get_drvdata(pdev); 4417769c500dSAkeem G Abodunrin 4418769c500dSAkeem G Abodunrin ice_remove(pdev); 4419769c500dSAkeem G Abodunrin 4420769c500dSAkeem G Abodunrin if (system_state == SYSTEM_POWER_OFF) { 4421769c500dSAkeem G Abodunrin pci_wake_from_d3(pdev, pf->wol_ena); 4422769c500dSAkeem G Abodunrin pci_set_power_state(pdev, PCI_D3hot); 4423769c500dSAkeem G Abodunrin } 4424769c500dSAkeem G Abodunrin } 4425769c500dSAkeem G Abodunrin 4426769c500dSAkeem G Abodunrin #ifdef CONFIG_PM 4427769c500dSAkeem G Abodunrin /** 4428769c500dSAkeem G Abodunrin * ice_prepare_for_shutdown - prep for PCI shutdown 4429769c500dSAkeem G Abodunrin * @pf: board private structure 4430769c500dSAkeem G Abodunrin * 4431769c500dSAkeem G Abodunrin * Inform or close all dependent features in prep for PCI device shutdown 4432769c500dSAkeem G Abodunrin */ 4433769c500dSAkeem G Abodunrin static void ice_prepare_for_shutdown(struct ice_pf *pf) 4434769c500dSAkeem G Abodunrin { 4435769c500dSAkeem G Abodunrin struct ice_hw *hw = &pf->hw; 4436769c500dSAkeem G Abodunrin u32 v; 4437769c500dSAkeem G Abodunrin 4438769c500dSAkeem G Abodunrin /* Notify VFs of impending reset */ 4439769c500dSAkeem G Abodunrin if (ice_check_sq_alive(hw, &hw->mailboxq)) 4440769c500dSAkeem G Abodunrin ice_vc_notify_reset(pf); 4441769c500dSAkeem G Abodunrin 4442769c500dSAkeem G Abodunrin dev_dbg(ice_pf_to_dev(pf), "Tearing down internal switch for shutdown\n"); 4443769c500dSAkeem G Abodunrin 4444769c500dSAkeem G Abodunrin /* disable the VSIs and their queues that are not already DOWN */ 4445769c500dSAkeem G Abodunrin ice_pf_dis_all_vsi(pf, false); 4446769c500dSAkeem G Abodunrin 4447769c500dSAkeem G Abodunrin ice_for_each_vsi(pf, v) 4448769c500dSAkeem G Abodunrin if (pf->vsi[v]) 4449769c500dSAkeem G Abodunrin pf->vsi[v]->vsi_num = 0; 4450769c500dSAkeem G Abodunrin 4451769c500dSAkeem G Abodunrin ice_shutdown_all_ctrlq(hw); 4452769c500dSAkeem G Abodunrin } 4453769c500dSAkeem G Abodunrin 4454769c500dSAkeem G Abodunrin /** 4455769c500dSAkeem G Abodunrin * ice_reinit_interrupt_scheme - Reinitialize interrupt scheme 4456769c500dSAkeem G Abodunrin * @pf: board private structure to reinitialize 4457769c500dSAkeem G Abodunrin * 4458769c500dSAkeem G Abodunrin * This routine reinitialize interrupt scheme that was cleared during 4459769c500dSAkeem G Abodunrin * power management suspend callback. 4460769c500dSAkeem G Abodunrin * 4461769c500dSAkeem G Abodunrin * This should be called during resume routine to re-allocate the q_vectors 4462769c500dSAkeem G Abodunrin * and reacquire interrupts. 4463769c500dSAkeem G Abodunrin */ 4464769c500dSAkeem G Abodunrin static int ice_reinit_interrupt_scheme(struct ice_pf *pf) 4465769c500dSAkeem G Abodunrin { 4466769c500dSAkeem G Abodunrin struct device *dev = ice_pf_to_dev(pf); 4467769c500dSAkeem G Abodunrin int ret, v; 4468769c500dSAkeem G Abodunrin 4469769c500dSAkeem G Abodunrin /* Since we clear MSIX flag during suspend, we need to 4470769c500dSAkeem G Abodunrin * set it back during resume... 4471769c500dSAkeem G Abodunrin */ 4472769c500dSAkeem G Abodunrin 4473769c500dSAkeem G Abodunrin ret = ice_init_interrupt_scheme(pf); 4474769c500dSAkeem G Abodunrin if (ret) { 4475769c500dSAkeem G Abodunrin dev_err(dev, "Failed to re-initialize interrupt %d\n", ret); 4476769c500dSAkeem G Abodunrin return ret; 4477769c500dSAkeem G Abodunrin } 4478769c500dSAkeem G Abodunrin 4479769c500dSAkeem G Abodunrin /* Remap vectors and rings, after successful re-init interrupts */ 4480769c500dSAkeem G Abodunrin ice_for_each_vsi(pf, v) { 4481769c500dSAkeem G Abodunrin if (!pf->vsi[v]) 4482769c500dSAkeem G Abodunrin continue; 4483769c500dSAkeem G Abodunrin 4484769c500dSAkeem G Abodunrin ret = ice_vsi_alloc_q_vectors(pf->vsi[v]); 4485769c500dSAkeem G Abodunrin if (ret) 4486769c500dSAkeem G Abodunrin goto err_reinit; 4487769c500dSAkeem G Abodunrin ice_vsi_map_rings_to_vectors(pf->vsi[v]); 4488769c500dSAkeem G Abodunrin } 4489769c500dSAkeem G Abodunrin 4490769c500dSAkeem G Abodunrin ret = ice_req_irq_msix_misc(pf); 4491769c500dSAkeem G Abodunrin if (ret) { 4492769c500dSAkeem G Abodunrin dev_err(dev, "Setting up misc vector failed after device suspend %d\n", 4493769c500dSAkeem G Abodunrin ret); 4494769c500dSAkeem G Abodunrin goto err_reinit; 4495769c500dSAkeem G Abodunrin } 4496769c500dSAkeem G Abodunrin 4497769c500dSAkeem G Abodunrin return 0; 4498769c500dSAkeem G Abodunrin 4499769c500dSAkeem G Abodunrin err_reinit: 4500769c500dSAkeem G Abodunrin while (v--) 4501769c500dSAkeem G Abodunrin if (pf->vsi[v]) 4502769c500dSAkeem G Abodunrin ice_vsi_free_q_vectors(pf->vsi[v]); 4503769c500dSAkeem G Abodunrin 4504769c500dSAkeem G Abodunrin return ret; 4505769c500dSAkeem G Abodunrin } 4506769c500dSAkeem G Abodunrin 4507769c500dSAkeem G Abodunrin /** 4508769c500dSAkeem G Abodunrin * ice_suspend 4509769c500dSAkeem G Abodunrin * @dev: generic device information structure 4510769c500dSAkeem G Abodunrin * 4511769c500dSAkeem G Abodunrin * Power Management callback to quiesce the device and prepare 4512769c500dSAkeem G Abodunrin * for D3 transition. 4513769c500dSAkeem G Abodunrin */ 451465c72291SWei Yongjun static int __maybe_unused ice_suspend(struct device *dev) 4515769c500dSAkeem G Abodunrin { 4516769c500dSAkeem G Abodunrin struct pci_dev *pdev = to_pci_dev(dev); 4517769c500dSAkeem G Abodunrin struct ice_pf *pf; 4518769c500dSAkeem G Abodunrin int disabled, v; 4519769c500dSAkeem G Abodunrin 4520769c500dSAkeem G Abodunrin pf = pci_get_drvdata(pdev); 4521769c500dSAkeem G Abodunrin 4522769c500dSAkeem G Abodunrin if (!ice_pf_state_is_nominal(pf)) { 4523769c500dSAkeem G Abodunrin dev_err(dev, "Device is not ready, no need to suspend it\n"); 4524769c500dSAkeem G Abodunrin return -EBUSY; 4525769c500dSAkeem G Abodunrin } 4526769c500dSAkeem G Abodunrin 4527769c500dSAkeem G Abodunrin /* Stop watchdog tasks until resume completion. 4528769c500dSAkeem G Abodunrin * Even though it is most likely that the service task is 4529769c500dSAkeem G Abodunrin * disabled if the device is suspended or down, the service task's 4530769c500dSAkeem G Abodunrin * state is controlled by a different state bit, and we should 4531769c500dSAkeem G Abodunrin * store and honor whatever state that bit is in at this point. 4532769c500dSAkeem G Abodunrin */ 4533769c500dSAkeem G Abodunrin disabled = ice_service_task_stop(pf); 4534769c500dSAkeem G Abodunrin 4535769c500dSAkeem G Abodunrin /* Already suspended?, then there is nothing to do */ 4536769c500dSAkeem G Abodunrin if (test_and_set_bit(__ICE_SUSPENDED, pf->state)) { 4537769c500dSAkeem G Abodunrin if (!disabled) 4538769c500dSAkeem G Abodunrin ice_service_task_restart(pf); 4539769c500dSAkeem G Abodunrin return 0; 4540769c500dSAkeem G Abodunrin } 4541769c500dSAkeem G Abodunrin 4542769c500dSAkeem G Abodunrin if (test_bit(__ICE_DOWN, pf->state) || 4543769c500dSAkeem G Abodunrin ice_is_reset_in_progress(pf->state)) { 4544769c500dSAkeem G Abodunrin dev_err(dev, "can't suspend device in reset or already down\n"); 4545769c500dSAkeem G Abodunrin if (!disabled) 4546769c500dSAkeem G Abodunrin ice_service_task_restart(pf); 4547769c500dSAkeem G Abodunrin return 0; 4548769c500dSAkeem G Abodunrin } 4549769c500dSAkeem G Abodunrin 4550769c500dSAkeem G Abodunrin ice_setup_mc_magic_wake(pf); 4551769c500dSAkeem G Abodunrin 4552769c500dSAkeem G Abodunrin ice_prepare_for_shutdown(pf); 4553769c500dSAkeem G Abodunrin 4554769c500dSAkeem G Abodunrin ice_set_wake(pf); 4555769c500dSAkeem G Abodunrin 4556769c500dSAkeem G Abodunrin /* Free vectors, clear the interrupt scheme and release IRQs 4557769c500dSAkeem G Abodunrin * for proper hibernation, especially with large number of CPUs. 4558769c500dSAkeem G Abodunrin * Otherwise hibernation might fail when mapping all the vectors back 4559769c500dSAkeem G Abodunrin * to CPU0. 4560769c500dSAkeem G Abodunrin */ 4561769c500dSAkeem G Abodunrin ice_free_irq_msix_misc(pf); 4562769c500dSAkeem G Abodunrin ice_for_each_vsi(pf, v) { 4563769c500dSAkeem G Abodunrin if (!pf->vsi[v]) 4564769c500dSAkeem G Abodunrin continue; 4565769c500dSAkeem G Abodunrin ice_vsi_free_q_vectors(pf->vsi[v]); 4566769c500dSAkeem G Abodunrin } 4567*1831da7eSYongxin Liu ice_free_cpu_rx_rmap(ice_get_main_vsi(pf)); 4568769c500dSAkeem G Abodunrin ice_clear_interrupt_scheme(pf); 4569769c500dSAkeem G Abodunrin 4570466e4392SAnirudh Venkataramanan pci_save_state(pdev); 4571769c500dSAkeem G Abodunrin pci_wake_from_d3(pdev, pf->wol_ena); 4572769c500dSAkeem G Abodunrin pci_set_power_state(pdev, PCI_D3hot); 4573769c500dSAkeem G Abodunrin return 0; 4574769c500dSAkeem G Abodunrin } 4575769c500dSAkeem G Abodunrin 4576769c500dSAkeem G Abodunrin /** 4577769c500dSAkeem G Abodunrin * ice_resume - PM callback for waking up from D3 4578769c500dSAkeem G Abodunrin * @dev: generic device information structure 4579769c500dSAkeem G Abodunrin */ 458065c72291SWei Yongjun static int __maybe_unused ice_resume(struct device *dev) 4581769c500dSAkeem G Abodunrin { 4582769c500dSAkeem G Abodunrin struct pci_dev *pdev = to_pci_dev(dev); 4583769c500dSAkeem G Abodunrin enum ice_reset_req reset_type; 4584769c500dSAkeem G Abodunrin struct ice_pf *pf; 4585769c500dSAkeem G Abodunrin struct ice_hw *hw; 4586769c500dSAkeem G Abodunrin int ret; 4587769c500dSAkeem G Abodunrin 4588769c500dSAkeem G Abodunrin pci_set_power_state(pdev, PCI_D0); 4589769c500dSAkeem G Abodunrin pci_restore_state(pdev); 4590769c500dSAkeem G Abodunrin pci_save_state(pdev); 4591769c500dSAkeem G Abodunrin 4592769c500dSAkeem G Abodunrin if (!pci_device_is_present(pdev)) 4593769c500dSAkeem G Abodunrin return -ENODEV; 4594769c500dSAkeem G Abodunrin 4595769c500dSAkeem G Abodunrin ret = pci_enable_device_mem(pdev); 4596769c500dSAkeem G Abodunrin if (ret) { 4597769c500dSAkeem G Abodunrin dev_err(dev, "Cannot enable device after suspend\n"); 4598769c500dSAkeem G Abodunrin return ret; 4599769c500dSAkeem G Abodunrin } 4600769c500dSAkeem G Abodunrin 4601769c500dSAkeem G Abodunrin pf = pci_get_drvdata(pdev); 4602769c500dSAkeem G Abodunrin hw = &pf->hw; 4603769c500dSAkeem G Abodunrin 4604769c500dSAkeem G Abodunrin pf->wakeup_reason = rd32(hw, PFPM_WUS); 4605769c500dSAkeem G Abodunrin ice_print_wake_reason(pf); 4606769c500dSAkeem G Abodunrin 4607769c500dSAkeem G Abodunrin /* We cleared the interrupt scheme when we suspended, so we need to 4608769c500dSAkeem G Abodunrin * restore it now to resume device functionality. 4609769c500dSAkeem G Abodunrin */ 4610769c500dSAkeem G Abodunrin ret = ice_reinit_interrupt_scheme(pf); 4611769c500dSAkeem G Abodunrin if (ret) 4612769c500dSAkeem G Abodunrin dev_err(dev, "Cannot restore interrupt scheme: %d\n", ret); 4613769c500dSAkeem G Abodunrin 4614769c500dSAkeem G Abodunrin clear_bit(__ICE_DOWN, pf->state); 4615769c500dSAkeem G Abodunrin /* Now perform PF reset and rebuild */ 4616769c500dSAkeem G Abodunrin reset_type = ICE_RESET_PFR; 4617769c500dSAkeem G Abodunrin /* re-enable service task for reset, but allow reset to schedule it */ 4618769c500dSAkeem G Abodunrin clear_bit(__ICE_SERVICE_DIS, pf->state); 4619769c500dSAkeem G Abodunrin 4620769c500dSAkeem G Abodunrin if (ice_schedule_reset(pf, reset_type)) 4621769c500dSAkeem G Abodunrin dev_err(dev, "Reset during resume failed.\n"); 4622769c500dSAkeem G Abodunrin 4623769c500dSAkeem G Abodunrin clear_bit(__ICE_SUSPENDED, pf->state); 4624769c500dSAkeem G Abodunrin ice_service_task_restart(pf); 4625769c500dSAkeem G Abodunrin 4626769c500dSAkeem G Abodunrin /* Restart the service task */ 4627769c500dSAkeem G Abodunrin mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period)); 4628769c500dSAkeem G Abodunrin 4629769c500dSAkeem G Abodunrin return 0; 4630769c500dSAkeem G Abodunrin } 4631769c500dSAkeem G Abodunrin #endif /* CONFIG_PM */ 4632769c500dSAkeem G Abodunrin 4633769c500dSAkeem G Abodunrin /** 46345995b6d0SBrett Creeley * ice_pci_err_detected - warning that PCI error has been detected 46355995b6d0SBrett Creeley * @pdev: PCI device information struct 46365995b6d0SBrett Creeley * @err: the type of PCI error 46375995b6d0SBrett Creeley * 46385995b6d0SBrett Creeley * Called to warn that something happened on the PCI bus and the error handling 46395995b6d0SBrett Creeley * is in progress. Allows the driver to gracefully prepare/handle PCI errors. 46405995b6d0SBrett Creeley */ 46415995b6d0SBrett Creeley static pci_ers_result_t 464216d79cd4SLuc Van Oostenryck ice_pci_err_detected(struct pci_dev *pdev, pci_channel_state_t err) 46435995b6d0SBrett Creeley { 46445995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 46455995b6d0SBrett Creeley 46465995b6d0SBrett Creeley if (!pf) { 46475995b6d0SBrett Creeley dev_err(&pdev->dev, "%s: unrecoverable device error %d\n", 46485995b6d0SBrett Creeley __func__, err); 46495995b6d0SBrett Creeley return PCI_ERS_RESULT_DISCONNECT; 46505995b6d0SBrett Creeley } 46515995b6d0SBrett Creeley 46525995b6d0SBrett Creeley if (!test_bit(__ICE_SUSPENDED, pf->state)) { 46535995b6d0SBrett Creeley ice_service_task_stop(pf); 46545995b6d0SBrett Creeley 46555995b6d0SBrett Creeley if (!test_bit(__ICE_PREPARED_FOR_RESET, pf->state)) { 46565995b6d0SBrett Creeley set_bit(__ICE_PFR_REQ, pf->state); 46575995b6d0SBrett Creeley ice_prepare_for_reset(pf); 46585995b6d0SBrett Creeley } 46595995b6d0SBrett Creeley } 46605995b6d0SBrett Creeley 46615995b6d0SBrett Creeley return PCI_ERS_RESULT_NEED_RESET; 46625995b6d0SBrett Creeley } 46635995b6d0SBrett Creeley 46645995b6d0SBrett Creeley /** 46655995b6d0SBrett Creeley * ice_pci_err_slot_reset - a PCI slot reset has just happened 46665995b6d0SBrett Creeley * @pdev: PCI device information struct 46675995b6d0SBrett Creeley * 46685995b6d0SBrett Creeley * Called to determine if the driver can recover from the PCI slot reset by 46695995b6d0SBrett Creeley * using a register read to determine if the device is recoverable. 46705995b6d0SBrett Creeley */ 46715995b6d0SBrett Creeley static pci_ers_result_t ice_pci_err_slot_reset(struct pci_dev *pdev) 46725995b6d0SBrett Creeley { 46735995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 46745995b6d0SBrett Creeley pci_ers_result_t result; 46755995b6d0SBrett Creeley int err; 46765995b6d0SBrett Creeley u32 reg; 46775995b6d0SBrett Creeley 46785995b6d0SBrett Creeley err = pci_enable_device_mem(pdev); 46795995b6d0SBrett Creeley if (err) { 468019cce2c6SAnirudh Venkataramanan dev_err(&pdev->dev, "Cannot re-enable PCI device after reset, error %d\n", 46815995b6d0SBrett Creeley err); 46825995b6d0SBrett Creeley result = PCI_ERS_RESULT_DISCONNECT; 46835995b6d0SBrett Creeley } else { 46845995b6d0SBrett Creeley pci_set_master(pdev); 46855995b6d0SBrett Creeley pci_restore_state(pdev); 46865995b6d0SBrett Creeley pci_save_state(pdev); 46875995b6d0SBrett Creeley pci_wake_from_d3(pdev, false); 46885995b6d0SBrett Creeley 46895995b6d0SBrett Creeley /* Check for life */ 46905995b6d0SBrett Creeley reg = rd32(&pf->hw, GLGEN_RTRIG); 46915995b6d0SBrett Creeley if (!reg) 46925995b6d0SBrett Creeley result = PCI_ERS_RESULT_RECOVERED; 46935995b6d0SBrett Creeley else 46945995b6d0SBrett Creeley result = PCI_ERS_RESULT_DISCONNECT; 46955995b6d0SBrett Creeley } 46965995b6d0SBrett Creeley 4697894020fdSKuppuswamy Sathyanarayanan err = pci_aer_clear_nonfatal_status(pdev); 46985995b6d0SBrett Creeley if (err) 469986f26a77SLinus Torvalds dev_dbg(&pdev->dev, "pci_aer_clear_nonfatal_status() failed, error %d\n", 47005995b6d0SBrett Creeley err); 47015995b6d0SBrett Creeley /* non-fatal, continue */ 47025995b6d0SBrett Creeley 47035995b6d0SBrett Creeley return result; 47045995b6d0SBrett Creeley } 47055995b6d0SBrett Creeley 47065995b6d0SBrett Creeley /** 47075995b6d0SBrett Creeley * ice_pci_err_resume - restart operations after PCI error recovery 47085995b6d0SBrett Creeley * @pdev: PCI device information struct 47095995b6d0SBrett Creeley * 47105995b6d0SBrett Creeley * Called to allow the driver to bring things back up after PCI error and/or 47115995b6d0SBrett Creeley * reset recovery have finished 47125995b6d0SBrett Creeley */ 47135995b6d0SBrett Creeley static void ice_pci_err_resume(struct pci_dev *pdev) 47145995b6d0SBrett Creeley { 47155995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 47165995b6d0SBrett Creeley 47175995b6d0SBrett Creeley if (!pf) { 471819cce2c6SAnirudh Venkataramanan dev_err(&pdev->dev, "%s failed, device is unrecoverable\n", 471919cce2c6SAnirudh Venkataramanan __func__); 47205995b6d0SBrett Creeley return; 47215995b6d0SBrett Creeley } 47225995b6d0SBrett Creeley 47235995b6d0SBrett Creeley if (test_bit(__ICE_SUSPENDED, pf->state)) { 47245995b6d0SBrett Creeley dev_dbg(&pdev->dev, "%s failed to resume normal operations!\n", 47255995b6d0SBrett Creeley __func__); 47265995b6d0SBrett Creeley return; 47275995b6d0SBrett Creeley } 47285995b6d0SBrett Creeley 4729a54a0b24SNick Nunley ice_restore_all_vfs_msi_state(pdev); 4730a54a0b24SNick Nunley 47315995b6d0SBrett Creeley ice_do_reset(pf, ICE_RESET_PFR); 47325995b6d0SBrett Creeley ice_service_task_restart(pf); 47335995b6d0SBrett Creeley mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period)); 47345995b6d0SBrett Creeley } 47355995b6d0SBrett Creeley 47365995b6d0SBrett Creeley /** 47375995b6d0SBrett Creeley * ice_pci_err_reset_prepare - prepare device driver for PCI reset 47385995b6d0SBrett Creeley * @pdev: PCI device information struct 47395995b6d0SBrett Creeley */ 47405995b6d0SBrett Creeley static void ice_pci_err_reset_prepare(struct pci_dev *pdev) 47415995b6d0SBrett Creeley { 47425995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 47435995b6d0SBrett Creeley 47445995b6d0SBrett Creeley if (!test_bit(__ICE_SUSPENDED, pf->state)) { 47455995b6d0SBrett Creeley ice_service_task_stop(pf); 47465995b6d0SBrett Creeley 47475995b6d0SBrett Creeley if (!test_bit(__ICE_PREPARED_FOR_RESET, pf->state)) { 47485995b6d0SBrett Creeley set_bit(__ICE_PFR_REQ, pf->state); 47495995b6d0SBrett Creeley ice_prepare_for_reset(pf); 47505995b6d0SBrett Creeley } 47515995b6d0SBrett Creeley } 47525995b6d0SBrett Creeley } 47535995b6d0SBrett Creeley 47545995b6d0SBrett Creeley /** 47555995b6d0SBrett Creeley * ice_pci_err_reset_done - PCI reset done, device driver reset can begin 47565995b6d0SBrett Creeley * @pdev: PCI device information struct 47575995b6d0SBrett Creeley */ 47585995b6d0SBrett Creeley static void ice_pci_err_reset_done(struct pci_dev *pdev) 47595995b6d0SBrett Creeley { 47605995b6d0SBrett Creeley ice_pci_err_resume(pdev); 47615995b6d0SBrett Creeley } 47625995b6d0SBrett Creeley 4763837f08fdSAnirudh Venkataramanan /* ice_pci_tbl - PCI Device ID Table 4764837f08fdSAnirudh Venkataramanan * 4765837f08fdSAnirudh Venkataramanan * Wildcard entries (PCI_ANY_ID) should come last 4766837f08fdSAnirudh Venkataramanan * Last entry must be all 0s 4767837f08fdSAnirudh Venkataramanan * 4768837f08fdSAnirudh Venkataramanan * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, 4769837f08fdSAnirudh Venkataramanan * Class, Class Mask, private data (not used) } 4770837f08fdSAnirudh Venkataramanan */ 4771837f08fdSAnirudh Venkataramanan static const struct pci_device_id ice_pci_tbl[] = { 4772633d7449SAnirudh Venkataramanan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_BACKPLANE), 0 }, 4773633d7449SAnirudh Venkataramanan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_QSFP), 0 }, 4774633d7449SAnirudh Venkataramanan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_SFP), 0 }, 4775195fb977SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810_XXV_SFP), 0 }, 4776e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_BACKPLANE), 0 }, 4777e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_QSFP), 0 }, 4778e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_SFP), 0 }, 4779e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_10G_BASE_T), 0 }, 4780e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_SGMII), 0 }, 47815d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_BACKPLANE), 0 }, 47825d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_QSFP), 0 }, 47835d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_SFP), 0 }, 47845d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_10G_BASE_T), 0 }, 47855d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_SGMII), 0 }, 47862fbfa966SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_BACKPLANE), 0 }, 47875d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_SFP), 0 }, 47885d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_10G_BASE_T), 0 }, 47895d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_SGMII), 0 }, 4790e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_BACKPLANE), 0 }, 4791e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_SFP), 0 }, 4792e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_10G_BASE_T), 0 }, 4793e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_1GBE), 0 }, 4794e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_QSFP), 0 }, 4795837f08fdSAnirudh Venkataramanan /* required last entry */ 4796837f08fdSAnirudh Venkataramanan { 0, } 4797837f08fdSAnirudh Venkataramanan }; 4798837f08fdSAnirudh Venkataramanan MODULE_DEVICE_TABLE(pci, ice_pci_tbl); 4799837f08fdSAnirudh Venkataramanan 4800769c500dSAkeem G Abodunrin static __maybe_unused SIMPLE_DEV_PM_OPS(ice_pm_ops, ice_suspend, ice_resume); 4801769c500dSAkeem G Abodunrin 48025995b6d0SBrett Creeley static const struct pci_error_handlers ice_pci_err_handler = { 48035995b6d0SBrett Creeley .error_detected = ice_pci_err_detected, 48045995b6d0SBrett Creeley .slot_reset = ice_pci_err_slot_reset, 48055995b6d0SBrett Creeley .reset_prepare = ice_pci_err_reset_prepare, 48065995b6d0SBrett Creeley .reset_done = ice_pci_err_reset_done, 48075995b6d0SBrett Creeley .resume = ice_pci_err_resume 48085995b6d0SBrett Creeley }; 48095995b6d0SBrett Creeley 4810837f08fdSAnirudh Venkataramanan static struct pci_driver ice_driver = { 4811837f08fdSAnirudh Venkataramanan .name = KBUILD_MODNAME, 4812837f08fdSAnirudh Venkataramanan .id_table = ice_pci_tbl, 4813837f08fdSAnirudh Venkataramanan .probe = ice_probe, 4814837f08fdSAnirudh Venkataramanan .remove = ice_remove, 4815769c500dSAkeem G Abodunrin #ifdef CONFIG_PM 4816769c500dSAkeem G Abodunrin .driver.pm = &ice_pm_ops, 4817769c500dSAkeem G Abodunrin #endif /* CONFIG_PM */ 4818769c500dSAkeem G Abodunrin .shutdown = ice_shutdown, 4819ddf30f7fSAnirudh Venkataramanan .sriov_configure = ice_sriov_configure, 48205995b6d0SBrett Creeley .err_handler = &ice_pci_err_handler 4821837f08fdSAnirudh Venkataramanan }; 4822837f08fdSAnirudh Venkataramanan 4823837f08fdSAnirudh Venkataramanan /** 4824837f08fdSAnirudh Venkataramanan * ice_module_init - Driver registration routine 4825837f08fdSAnirudh Venkataramanan * 4826837f08fdSAnirudh Venkataramanan * ice_module_init is the first routine called when the driver is 4827837f08fdSAnirudh Venkataramanan * loaded. All it does is register with the PCI subsystem. 4828837f08fdSAnirudh Venkataramanan */ 4829837f08fdSAnirudh Venkataramanan static int __init ice_module_init(void) 4830837f08fdSAnirudh Venkataramanan { 4831837f08fdSAnirudh Venkataramanan int status; 4832837f08fdSAnirudh Venkataramanan 483334a2a3b8SJeff Kirsher pr_info("%s\n", ice_driver_string); 4834837f08fdSAnirudh Venkataramanan pr_info("%s\n", ice_copyright); 4835837f08fdSAnirudh Venkataramanan 48360f9d5027SAnirudh Venkataramanan ice_wq = alloc_workqueue("%s", WQ_MEM_RECLAIM, 0, KBUILD_MODNAME); 4837940b61afSAnirudh Venkataramanan if (!ice_wq) { 4838940b61afSAnirudh Venkataramanan pr_err("Failed to create workqueue\n"); 4839940b61afSAnirudh Venkataramanan return -ENOMEM; 4840940b61afSAnirudh Venkataramanan } 4841940b61afSAnirudh Venkataramanan 4842837f08fdSAnirudh Venkataramanan status = pci_register_driver(&ice_driver); 4843940b61afSAnirudh Venkataramanan if (status) { 48442f2da36eSAnirudh Venkataramanan pr_err("failed to register PCI driver, err %d\n", status); 4845940b61afSAnirudh Venkataramanan destroy_workqueue(ice_wq); 4846940b61afSAnirudh Venkataramanan } 4847837f08fdSAnirudh Venkataramanan 4848837f08fdSAnirudh Venkataramanan return status; 4849837f08fdSAnirudh Venkataramanan } 4850837f08fdSAnirudh Venkataramanan module_init(ice_module_init); 4851837f08fdSAnirudh Venkataramanan 4852837f08fdSAnirudh Venkataramanan /** 4853837f08fdSAnirudh Venkataramanan * ice_module_exit - Driver exit cleanup routine 4854837f08fdSAnirudh Venkataramanan * 4855837f08fdSAnirudh Venkataramanan * ice_module_exit is called just before the driver is removed 4856837f08fdSAnirudh Venkataramanan * from memory. 4857837f08fdSAnirudh Venkataramanan */ 4858837f08fdSAnirudh Venkataramanan static void __exit ice_module_exit(void) 4859837f08fdSAnirudh Venkataramanan { 4860837f08fdSAnirudh Venkataramanan pci_unregister_driver(&ice_driver); 4861940b61afSAnirudh Venkataramanan destroy_workqueue(ice_wq); 4862837f08fdSAnirudh Venkataramanan pr_info("module unloaded\n"); 4863837f08fdSAnirudh Venkataramanan } 4864837f08fdSAnirudh Venkataramanan module_exit(ice_module_exit); 48653a858ba3SAnirudh Venkataramanan 48663a858ba3SAnirudh Venkataramanan /** 4867f9867df6SAnirudh Venkataramanan * ice_set_mac_address - NDO callback to set MAC address 4868e94d4478SAnirudh Venkataramanan * @netdev: network interface device structure 4869e94d4478SAnirudh Venkataramanan * @pi: pointer to an address structure 4870e94d4478SAnirudh Venkataramanan * 4871e94d4478SAnirudh Venkataramanan * Returns 0 on success, negative on failure 4872e94d4478SAnirudh Venkataramanan */ 4873e94d4478SAnirudh Venkataramanan static int ice_set_mac_address(struct net_device *netdev, void *pi) 4874e94d4478SAnirudh Venkataramanan { 4875e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 4876e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 4877e94d4478SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 4878e94d4478SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 4879e94d4478SAnirudh Venkataramanan struct sockaddr *addr = pi; 4880e94d4478SAnirudh Venkataramanan enum ice_status status; 4881e94d4478SAnirudh Venkataramanan u8 flags = 0; 4882bbb968e8SAkeem G Abodunrin int err = 0; 4883e94d4478SAnirudh Venkataramanan u8 *mac; 4884e94d4478SAnirudh Venkataramanan 4885e94d4478SAnirudh Venkataramanan mac = (u8 *)addr->sa_data; 4886e94d4478SAnirudh Venkataramanan 4887e94d4478SAnirudh Venkataramanan if (!is_valid_ether_addr(mac)) 4888e94d4478SAnirudh Venkataramanan return -EADDRNOTAVAIL; 4889e94d4478SAnirudh Venkataramanan 4890e94d4478SAnirudh Venkataramanan if (ether_addr_equal(netdev->dev_addr, mac)) { 4891e94d4478SAnirudh Venkataramanan netdev_warn(netdev, "already using mac %pM\n", mac); 4892e94d4478SAnirudh Venkataramanan return 0; 4893e94d4478SAnirudh Venkataramanan } 4894e94d4478SAnirudh Venkataramanan 4895e94d4478SAnirudh Venkataramanan if (test_bit(__ICE_DOWN, pf->state) || 48965df7e45dSDave Ertman ice_is_reset_in_progress(pf->state)) { 4897e94d4478SAnirudh Venkataramanan netdev_err(netdev, "can't set mac %pM. device not ready\n", 4898e94d4478SAnirudh Venkataramanan mac); 4899e94d4478SAnirudh Venkataramanan return -EBUSY; 4900e94d4478SAnirudh Venkataramanan } 4901e94d4478SAnirudh Venkataramanan 4902757976abSLihong Yang /* Clean up old MAC filter. Not an error if old filter doesn't exist */ 49031b8f15b6SMichal Swiatkowski status = ice_fltr_remove_mac(vsi, netdev->dev_addr, ICE_FWD_TO_VSI); 4904757976abSLihong Yang if (status && status != ICE_ERR_DOES_NOT_EXIST) { 4905e94d4478SAnirudh Venkataramanan err = -EADDRNOTAVAIL; 4906bbb968e8SAkeem G Abodunrin goto err_update_filters; 4907e94d4478SAnirudh Venkataramanan } 4908e94d4478SAnirudh Venkataramanan 490913ed5e8aSNick Nunley /* Add filter for new MAC. If filter exists, return success */ 49101b8f15b6SMichal Swiatkowski status = ice_fltr_add_mac(vsi, mac, ICE_FWD_TO_VSI); 4911757976abSLihong Yang if (status == ICE_ERR_ALREADY_EXISTS) { 491213ed5e8aSNick Nunley /* Although this MAC filter is already present in hardware it's 491313ed5e8aSNick Nunley * possible in some cases (e.g. bonding) that dev_addr was 491413ed5e8aSNick Nunley * modified outside of the driver and needs to be restored back 491513ed5e8aSNick Nunley * to this value. 491613ed5e8aSNick Nunley */ 491713ed5e8aSNick Nunley memcpy(netdev->dev_addr, mac, netdev->addr_len); 4918757976abSLihong Yang netdev_dbg(netdev, "filter for MAC %pM already exists\n", mac); 4919757976abSLihong Yang return 0; 4920e94d4478SAnirudh Venkataramanan } 4921e94d4478SAnirudh Venkataramanan 4922757976abSLihong Yang /* error if the new filter addition failed */ 4923757976abSLihong Yang if (status) 4924757976abSLihong Yang err = -EADDRNOTAVAIL; 4925757976abSLihong Yang 4926bbb968e8SAkeem G Abodunrin err_update_filters: 4927e94d4478SAnirudh Venkataramanan if (err) { 49282f2da36eSAnirudh Venkataramanan netdev_err(netdev, "can't set MAC %pM. filter update failed\n", 4929e94d4478SAnirudh Venkataramanan mac); 4930e94d4478SAnirudh Venkataramanan return err; 4931e94d4478SAnirudh Venkataramanan } 4932e94d4478SAnirudh Venkataramanan 4933f9867df6SAnirudh Venkataramanan /* change the netdev's MAC address */ 4934e94d4478SAnirudh Venkataramanan memcpy(netdev->dev_addr, mac, netdev->addr_len); 49352f2da36eSAnirudh Venkataramanan netdev_dbg(vsi->netdev, "updated MAC address to %pM\n", 4936e94d4478SAnirudh Venkataramanan netdev->dev_addr); 4937e94d4478SAnirudh Venkataramanan 4938f9867df6SAnirudh Venkataramanan /* write new MAC address to the firmware */ 4939e94d4478SAnirudh Venkataramanan flags = ICE_AQC_MAN_MAC_UPDATE_LAA_WOL; 4940e94d4478SAnirudh Venkataramanan status = ice_aq_manage_mac_write(hw, mac, flags, NULL); 4941e94d4478SAnirudh Venkataramanan if (status) { 49420fee3577SLihong Yang netdev_err(netdev, "can't set MAC %pM. write to firmware failed error %s\n", 49430fee3577SLihong Yang mac, ice_stat_str(status)); 4944e94d4478SAnirudh Venkataramanan } 4945e94d4478SAnirudh Venkataramanan return 0; 4946e94d4478SAnirudh Venkataramanan } 4947e94d4478SAnirudh Venkataramanan 4948e94d4478SAnirudh Venkataramanan /** 4949e94d4478SAnirudh Venkataramanan * ice_set_rx_mode - NDO callback to set the netdev filters 4950e94d4478SAnirudh Venkataramanan * @netdev: network interface device structure 4951e94d4478SAnirudh Venkataramanan */ 4952e94d4478SAnirudh Venkataramanan static void ice_set_rx_mode(struct net_device *netdev) 4953e94d4478SAnirudh Venkataramanan { 4954e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 4955e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 4956e94d4478SAnirudh Venkataramanan 4957e94d4478SAnirudh Venkataramanan if (!vsi) 4958e94d4478SAnirudh Venkataramanan return; 4959e94d4478SAnirudh Venkataramanan 4960e94d4478SAnirudh Venkataramanan /* Set the flags to synchronize filters 4961e94d4478SAnirudh Venkataramanan * ndo_set_rx_mode may be triggered even without a change in netdev 4962e94d4478SAnirudh Venkataramanan * flags 4963e94d4478SAnirudh Venkataramanan */ 4964e94d4478SAnirudh Venkataramanan set_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags); 4965e94d4478SAnirudh Venkataramanan set_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags); 4966e94d4478SAnirudh Venkataramanan set_bit(ICE_FLAG_FLTR_SYNC, vsi->back->flags); 4967e94d4478SAnirudh Venkataramanan 4968e94d4478SAnirudh Venkataramanan /* schedule our worker thread which will take care of 4969e94d4478SAnirudh Venkataramanan * applying the new filter changes 4970e94d4478SAnirudh Venkataramanan */ 4971e94d4478SAnirudh Venkataramanan ice_service_task_schedule(vsi->back); 4972e94d4478SAnirudh Venkataramanan } 4973e94d4478SAnirudh Venkataramanan 4974e94d4478SAnirudh Venkataramanan /** 49751ddef455SUsha Ketineni * ice_set_tx_maxrate - NDO callback to set the maximum per-queue bitrate 49761ddef455SUsha Ketineni * @netdev: network interface device structure 49771ddef455SUsha Ketineni * @queue_index: Queue ID 49781ddef455SUsha Ketineni * @maxrate: maximum bandwidth in Mbps 49791ddef455SUsha Ketineni */ 49801ddef455SUsha Ketineni static int 49811ddef455SUsha Ketineni ice_set_tx_maxrate(struct net_device *netdev, int queue_index, u32 maxrate) 49821ddef455SUsha Ketineni { 49831ddef455SUsha Ketineni struct ice_netdev_priv *np = netdev_priv(netdev); 49841ddef455SUsha Ketineni struct ice_vsi *vsi = np->vsi; 49851ddef455SUsha Ketineni enum ice_status status; 49861ddef455SUsha Ketineni u16 q_handle; 49871ddef455SUsha Ketineni u8 tc; 49881ddef455SUsha Ketineni 49891ddef455SUsha Ketineni /* Validate maxrate requested is within permitted range */ 49901ddef455SUsha Ketineni if (maxrate && (maxrate > (ICE_SCHED_MAX_BW / 1000))) { 499119cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Invalid max rate %d specified for the queue %d\n", 49921ddef455SUsha Ketineni maxrate, queue_index); 49931ddef455SUsha Ketineni return -EINVAL; 49941ddef455SUsha Ketineni } 49951ddef455SUsha Ketineni 49961ddef455SUsha Ketineni q_handle = vsi->tx_rings[queue_index]->q_handle; 49971ddef455SUsha Ketineni tc = ice_dcb_get_tc(vsi, queue_index); 49981ddef455SUsha Ketineni 49991ddef455SUsha Ketineni /* Set BW back to default, when user set maxrate to 0 */ 50001ddef455SUsha Ketineni if (!maxrate) 50011ddef455SUsha Ketineni status = ice_cfg_q_bw_dflt_lmt(vsi->port_info, vsi->idx, tc, 50021ddef455SUsha Ketineni q_handle, ICE_MAX_BW); 50031ddef455SUsha Ketineni else 50041ddef455SUsha Ketineni status = ice_cfg_q_bw_lmt(vsi->port_info, vsi->idx, tc, 50051ddef455SUsha Ketineni q_handle, ICE_MAX_BW, maxrate * 1000); 50061ddef455SUsha Ketineni if (status) { 50070fee3577SLihong Yang netdev_err(netdev, "Unable to set Tx max rate, error %s\n", 50080fee3577SLihong Yang ice_stat_str(status)); 50091ddef455SUsha Ketineni return -EIO; 50101ddef455SUsha Ketineni } 50111ddef455SUsha Ketineni 50121ddef455SUsha Ketineni return 0; 50131ddef455SUsha Ketineni } 50141ddef455SUsha Ketineni 50151ddef455SUsha Ketineni /** 5016e94d4478SAnirudh Venkataramanan * ice_fdb_add - add an entry to the hardware database 5017e94d4478SAnirudh Venkataramanan * @ndm: the input from the stack 5018e94d4478SAnirudh Venkataramanan * @tb: pointer to array of nladdr (unused) 5019e94d4478SAnirudh Venkataramanan * @dev: the net device pointer 5020e94d4478SAnirudh Venkataramanan * @addr: the MAC address entry being added 5021f9867df6SAnirudh Venkataramanan * @vid: VLAN ID 5022e94d4478SAnirudh Venkataramanan * @flags: instructions from stack about fdb operation 502399be37edSBruce Allan * @extack: netlink extended ack 5024e94d4478SAnirudh Venkataramanan */ 502599be37edSBruce Allan static int 502699be37edSBruce Allan ice_fdb_add(struct ndmsg *ndm, struct nlattr __always_unused *tb[], 502799be37edSBruce Allan struct net_device *dev, const unsigned char *addr, u16 vid, 502899be37edSBruce Allan u16 flags, struct netlink_ext_ack __always_unused *extack) 5029e94d4478SAnirudh Venkataramanan { 5030e94d4478SAnirudh Venkataramanan int err; 5031e94d4478SAnirudh Venkataramanan 5032e94d4478SAnirudh Venkataramanan if (vid) { 5033e94d4478SAnirudh Venkataramanan netdev_err(dev, "VLANs aren't supported yet for dev_uc|mc_add()\n"); 5034e94d4478SAnirudh Venkataramanan return -EINVAL; 5035e94d4478SAnirudh Venkataramanan } 5036e94d4478SAnirudh Venkataramanan if (ndm->ndm_state && !(ndm->ndm_state & NUD_PERMANENT)) { 5037e94d4478SAnirudh Venkataramanan netdev_err(dev, "FDB only supports static addresses\n"); 5038e94d4478SAnirudh Venkataramanan return -EINVAL; 5039e94d4478SAnirudh Venkataramanan } 5040e94d4478SAnirudh Venkataramanan 5041e94d4478SAnirudh Venkataramanan if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr)) 5042e94d4478SAnirudh Venkataramanan err = dev_uc_add_excl(dev, addr); 5043e94d4478SAnirudh Venkataramanan else if (is_multicast_ether_addr(addr)) 5044e94d4478SAnirudh Venkataramanan err = dev_mc_add_excl(dev, addr); 5045e94d4478SAnirudh Venkataramanan else 5046e94d4478SAnirudh Venkataramanan err = -EINVAL; 5047e94d4478SAnirudh Venkataramanan 5048e94d4478SAnirudh Venkataramanan /* Only return duplicate errors if NLM_F_EXCL is set */ 5049e94d4478SAnirudh Venkataramanan if (err == -EEXIST && !(flags & NLM_F_EXCL)) 5050e94d4478SAnirudh Venkataramanan err = 0; 5051e94d4478SAnirudh Venkataramanan 5052e94d4478SAnirudh Venkataramanan return err; 5053e94d4478SAnirudh Venkataramanan } 5054e94d4478SAnirudh Venkataramanan 5055e94d4478SAnirudh Venkataramanan /** 5056e94d4478SAnirudh Venkataramanan * ice_fdb_del - delete an entry from the hardware database 5057e94d4478SAnirudh Venkataramanan * @ndm: the input from the stack 5058e94d4478SAnirudh Venkataramanan * @tb: pointer to array of nladdr (unused) 5059e94d4478SAnirudh Venkataramanan * @dev: the net device pointer 5060e94d4478SAnirudh Venkataramanan * @addr: the MAC address entry being added 5061f9867df6SAnirudh Venkataramanan * @vid: VLAN ID 5062e94d4478SAnirudh Venkataramanan */ 5063c8b7abddSBruce Allan static int 5064c8b7abddSBruce Allan ice_fdb_del(struct ndmsg *ndm, __always_unused struct nlattr *tb[], 5065e94d4478SAnirudh Venkataramanan struct net_device *dev, const unsigned char *addr, 5066e94d4478SAnirudh Venkataramanan __always_unused u16 vid) 5067e94d4478SAnirudh Venkataramanan { 5068e94d4478SAnirudh Venkataramanan int err; 5069e94d4478SAnirudh Venkataramanan 5070e94d4478SAnirudh Venkataramanan if (ndm->ndm_state & NUD_PERMANENT) { 5071e94d4478SAnirudh Venkataramanan netdev_err(dev, "FDB only supports static addresses\n"); 5072e94d4478SAnirudh Venkataramanan return -EINVAL; 5073e94d4478SAnirudh Venkataramanan } 5074e94d4478SAnirudh Venkataramanan 5075e94d4478SAnirudh Venkataramanan if (is_unicast_ether_addr(addr)) 5076e94d4478SAnirudh Venkataramanan err = dev_uc_del(dev, addr); 5077e94d4478SAnirudh Venkataramanan else if (is_multicast_ether_addr(addr)) 5078e94d4478SAnirudh Venkataramanan err = dev_mc_del(dev, addr); 5079e94d4478SAnirudh Venkataramanan else 5080e94d4478SAnirudh Venkataramanan err = -EINVAL; 5081e94d4478SAnirudh Venkataramanan 5082e94d4478SAnirudh Venkataramanan return err; 5083e94d4478SAnirudh Venkataramanan } 5084e94d4478SAnirudh Venkataramanan 5085e94d4478SAnirudh Venkataramanan /** 5086d76a60baSAnirudh Venkataramanan * ice_set_features - set the netdev feature flags 5087d76a60baSAnirudh Venkataramanan * @netdev: ptr to the netdev being adjusted 5088d76a60baSAnirudh Venkataramanan * @features: the feature set that the stack is suggesting 5089d76a60baSAnirudh Venkataramanan */ 5090c8b7abddSBruce Allan static int 5091c8b7abddSBruce Allan ice_set_features(struct net_device *netdev, netdev_features_t features) 5092d76a60baSAnirudh Venkataramanan { 5093d76a60baSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 5094d76a60baSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 50955f8cc355SHenry Tieman struct ice_pf *pf = vsi->back; 5096d76a60baSAnirudh Venkataramanan int ret = 0; 5097d76a60baSAnirudh Venkataramanan 5098462acf6aSTony Nguyen /* Don't set any netdev advanced features with device in Safe Mode */ 5099462acf6aSTony Nguyen if (ice_is_safe_mode(vsi->back)) { 510019cce2c6SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "Device is in Safe Mode - not enabling advanced netdev features\n"); 5101462acf6aSTony Nguyen return ret; 5102462acf6aSTony Nguyen } 5103462acf6aSTony Nguyen 51045f8cc355SHenry Tieman /* Do not change setting during reset */ 51055f8cc355SHenry Tieman if (ice_is_reset_in_progress(pf->state)) { 510619cce2c6SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "Device is resetting, changing advanced netdev features temporarily unavailable.\n"); 51075f8cc355SHenry Tieman return -EBUSY; 51085f8cc355SHenry Tieman } 51095f8cc355SHenry Tieman 51108f529ff9STony Nguyen /* Multiple features can be changed in one call so keep features in 51118f529ff9STony Nguyen * separate if/else statements to guarantee each feature is checked 51128f529ff9STony Nguyen */ 5113492af0abSMd Fahad Iqbal Polash if (features & NETIF_F_RXHASH && !(netdev->features & NETIF_F_RXHASH)) 5114492af0abSMd Fahad Iqbal Polash ret = ice_vsi_manage_rss_lut(vsi, true); 5115492af0abSMd Fahad Iqbal Polash else if (!(features & NETIF_F_RXHASH) && 5116492af0abSMd Fahad Iqbal Polash netdev->features & NETIF_F_RXHASH) 5117492af0abSMd Fahad Iqbal Polash ret = ice_vsi_manage_rss_lut(vsi, false); 5118492af0abSMd Fahad Iqbal Polash 5119d76a60baSAnirudh Venkataramanan if ((features & NETIF_F_HW_VLAN_CTAG_RX) && 5120d76a60baSAnirudh Venkataramanan !(netdev->features & NETIF_F_HW_VLAN_CTAG_RX)) 5121d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_stripping(vsi, true); 5122d76a60baSAnirudh Venkataramanan else if (!(features & NETIF_F_HW_VLAN_CTAG_RX) && 5123d76a60baSAnirudh Venkataramanan (netdev->features & NETIF_F_HW_VLAN_CTAG_RX)) 5124d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_stripping(vsi, false); 51258f529ff9STony Nguyen 51268f529ff9STony Nguyen if ((features & NETIF_F_HW_VLAN_CTAG_TX) && 5127d76a60baSAnirudh Venkataramanan !(netdev->features & NETIF_F_HW_VLAN_CTAG_TX)) 5128d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_insertion(vsi); 5129d76a60baSAnirudh Venkataramanan else if (!(features & NETIF_F_HW_VLAN_CTAG_TX) && 5130d76a60baSAnirudh Venkataramanan (netdev->features & NETIF_F_HW_VLAN_CTAG_TX)) 5131d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_insertion(vsi); 5132d76a60baSAnirudh Venkataramanan 51333171948eSTony Nguyen if ((features & NETIF_F_HW_VLAN_CTAG_FILTER) && 51343171948eSTony Nguyen !(netdev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) 51353171948eSTony Nguyen ret = ice_cfg_vlan_pruning(vsi, true, false); 51363171948eSTony Nguyen else if (!(features & NETIF_F_HW_VLAN_CTAG_FILTER) && 51373171948eSTony Nguyen (netdev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) 51383171948eSTony Nguyen ret = ice_cfg_vlan_pruning(vsi, false, false); 51393171948eSTony Nguyen 5140148beb61SHenry Tieman if ((features & NETIF_F_NTUPLE) && 514128bf2672SBrett Creeley !(netdev->features & NETIF_F_NTUPLE)) { 5142148beb61SHenry Tieman ice_vsi_manage_fdir(vsi, true); 514328bf2672SBrett Creeley ice_init_arfs(vsi); 514428bf2672SBrett Creeley } else if (!(features & NETIF_F_NTUPLE) && 514528bf2672SBrett Creeley (netdev->features & NETIF_F_NTUPLE)) { 5146148beb61SHenry Tieman ice_vsi_manage_fdir(vsi, false); 514728bf2672SBrett Creeley ice_clear_arfs(vsi); 514828bf2672SBrett Creeley } 5149148beb61SHenry Tieman 5150d76a60baSAnirudh Venkataramanan return ret; 5151d76a60baSAnirudh Venkataramanan } 5152d76a60baSAnirudh Venkataramanan 5153d76a60baSAnirudh Venkataramanan /** 5154f9867df6SAnirudh Venkataramanan * ice_vsi_vlan_setup - Setup VLAN offload properties on a VSI 5155f9867df6SAnirudh Venkataramanan * @vsi: VSI to setup VLAN properties for 5156d76a60baSAnirudh Venkataramanan */ 5157d76a60baSAnirudh Venkataramanan static int ice_vsi_vlan_setup(struct ice_vsi *vsi) 5158d76a60baSAnirudh Venkataramanan { 5159d76a60baSAnirudh Venkataramanan int ret = 0; 5160d76a60baSAnirudh Venkataramanan 5161d76a60baSAnirudh Venkataramanan if (vsi->netdev->features & NETIF_F_HW_VLAN_CTAG_RX) 5162d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_stripping(vsi, true); 5163d76a60baSAnirudh Venkataramanan if (vsi->netdev->features & NETIF_F_HW_VLAN_CTAG_TX) 5164d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_insertion(vsi); 5165d76a60baSAnirudh Venkataramanan 5166d76a60baSAnirudh Venkataramanan return ret; 5167d76a60baSAnirudh Venkataramanan } 5168d76a60baSAnirudh Venkataramanan 5169d76a60baSAnirudh Venkataramanan /** 5170cdedef59SAnirudh Venkataramanan * ice_vsi_cfg - Setup the VSI 5171cdedef59SAnirudh Venkataramanan * @vsi: the VSI being configured 5172cdedef59SAnirudh Venkataramanan * 5173cdedef59SAnirudh Venkataramanan * Return 0 on success and negative value on error 5174cdedef59SAnirudh Venkataramanan */ 51750e674aebSAnirudh Venkataramanan int ice_vsi_cfg(struct ice_vsi *vsi) 5176cdedef59SAnirudh Venkataramanan { 5177cdedef59SAnirudh Venkataramanan int err; 5178cdedef59SAnirudh Venkataramanan 5179c7f2c42bSAnirudh Venkataramanan if (vsi->netdev) { 5180e94d4478SAnirudh Venkataramanan ice_set_rx_mode(vsi->netdev); 51819ecd25c2SAnirudh Venkataramanan 51829ecd25c2SAnirudh Venkataramanan err = ice_vsi_vlan_setup(vsi); 51839ecd25c2SAnirudh Venkataramanan 5184d76a60baSAnirudh Venkataramanan if (err) 5185d76a60baSAnirudh Venkataramanan return err; 5186c7f2c42bSAnirudh Venkataramanan } 5187a629cf0aSAnirudh Venkataramanan ice_vsi_cfg_dcb_rings(vsi); 518803f7a986SAnirudh Venkataramanan 518903f7a986SAnirudh Venkataramanan err = ice_vsi_cfg_lan_txqs(vsi); 5190efc2214bSMaciej Fijalkowski if (!err && ice_is_xdp_ena_vsi(vsi)) 5191efc2214bSMaciej Fijalkowski err = ice_vsi_cfg_xdp_txqs(vsi); 5192cdedef59SAnirudh Venkataramanan if (!err) 5193cdedef59SAnirudh Venkataramanan err = ice_vsi_cfg_rxqs(vsi); 5194cdedef59SAnirudh Venkataramanan 5195cdedef59SAnirudh Venkataramanan return err; 5196cdedef59SAnirudh Venkataramanan } 5197cdedef59SAnirudh Venkataramanan 5198cdedef59SAnirudh Venkataramanan /** 51992b245cb2SAnirudh Venkataramanan * ice_napi_enable_all - Enable NAPI for all q_vectors in the VSI 52002b245cb2SAnirudh Venkataramanan * @vsi: the VSI being configured 52012b245cb2SAnirudh Venkataramanan */ 52022b245cb2SAnirudh Venkataramanan static void ice_napi_enable_all(struct ice_vsi *vsi) 52032b245cb2SAnirudh Venkataramanan { 52042b245cb2SAnirudh Venkataramanan int q_idx; 52052b245cb2SAnirudh Venkataramanan 52062b245cb2SAnirudh Venkataramanan if (!vsi->netdev) 52072b245cb2SAnirudh Venkataramanan return; 52082b245cb2SAnirudh Venkataramanan 52090c2561c8SBrett Creeley ice_for_each_q_vector(vsi, q_idx) { 5210eec90376SYoung Xiao struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 5211eec90376SYoung Xiao 5212eec90376SYoung Xiao if (q_vector->rx.ring || q_vector->tx.ring) 5213eec90376SYoung Xiao napi_enable(&q_vector->napi); 5214eec90376SYoung Xiao } 52152b245cb2SAnirudh Venkataramanan } 52162b245cb2SAnirudh Venkataramanan 52172b245cb2SAnirudh Venkataramanan /** 5218cdedef59SAnirudh Venkataramanan * ice_up_complete - Finish the last steps of bringing up a connection 5219cdedef59SAnirudh Venkataramanan * @vsi: The VSI being configured 5220cdedef59SAnirudh Venkataramanan * 5221cdedef59SAnirudh Venkataramanan * Return 0 on success and negative value on error 5222cdedef59SAnirudh Venkataramanan */ 5223cdedef59SAnirudh Venkataramanan static int ice_up_complete(struct ice_vsi *vsi) 5224cdedef59SAnirudh Venkataramanan { 5225cdedef59SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 5226cdedef59SAnirudh Venkataramanan int err; 5227cdedef59SAnirudh Venkataramanan 5228cdedef59SAnirudh Venkataramanan ice_vsi_cfg_msix(vsi); 5229cdedef59SAnirudh Venkataramanan 5230cdedef59SAnirudh Venkataramanan /* Enable only Rx rings, Tx rings were enabled by the FW when the 5231cdedef59SAnirudh Venkataramanan * Tx queue group list was configured and the context bits were 5232cdedef59SAnirudh Venkataramanan * programmed using ice_vsi_cfg_txqs 5233cdedef59SAnirudh Venkataramanan */ 523413a6233bSBrett Creeley err = ice_vsi_start_all_rx_rings(vsi); 5235cdedef59SAnirudh Venkataramanan if (err) 5236cdedef59SAnirudh Venkataramanan return err; 5237cdedef59SAnirudh Venkataramanan 5238cdedef59SAnirudh Venkataramanan clear_bit(__ICE_DOWN, vsi->state); 52392b245cb2SAnirudh Venkataramanan ice_napi_enable_all(vsi); 5240cdedef59SAnirudh Venkataramanan ice_vsi_ena_irq(vsi); 5241cdedef59SAnirudh Venkataramanan 5242cdedef59SAnirudh Venkataramanan if (vsi->port_info && 5243cdedef59SAnirudh Venkataramanan (vsi->port_info->phy.link_info.link_info & ICE_AQ_LINK_UP) && 5244cdedef59SAnirudh Venkataramanan vsi->netdev) { 5245cdedef59SAnirudh Venkataramanan ice_print_link_msg(vsi, true); 5246cdedef59SAnirudh Venkataramanan netif_tx_start_all_queues(vsi->netdev); 5247cdedef59SAnirudh Venkataramanan netif_carrier_on(vsi->netdev); 5248cdedef59SAnirudh Venkataramanan } 5249cdedef59SAnirudh Venkataramanan 5250cdedef59SAnirudh Venkataramanan ice_service_task_schedule(pf); 5251cdedef59SAnirudh Venkataramanan 52521b5c19c7SBruce Allan return 0; 5253cdedef59SAnirudh Venkataramanan } 5254cdedef59SAnirudh Venkataramanan 5255cdedef59SAnirudh Venkataramanan /** 5256fcea6f3dSAnirudh Venkataramanan * ice_up - Bring the connection back up after being down 5257fcea6f3dSAnirudh Venkataramanan * @vsi: VSI being configured 5258fcea6f3dSAnirudh Venkataramanan */ 5259fcea6f3dSAnirudh Venkataramanan int ice_up(struct ice_vsi *vsi) 5260fcea6f3dSAnirudh Venkataramanan { 5261fcea6f3dSAnirudh Venkataramanan int err; 5262fcea6f3dSAnirudh Venkataramanan 5263fcea6f3dSAnirudh Venkataramanan err = ice_vsi_cfg(vsi); 5264fcea6f3dSAnirudh Venkataramanan if (!err) 5265fcea6f3dSAnirudh Venkataramanan err = ice_up_complete(vsi); 5266fcea6f3dSAnirudh Venkataramanan 5267fcea6f3dSAnirudh Venkataramanan return err; 5268fcea6f3dSAnirudh Venkataramanan } 5269fcea6f3dSAnirudh Venkataramanan 5270fcea6f3dSAnirudh Venkataramanan /** 5271fcea6f3dSAnirudh Venkataramanan * ice_fetch_u64_stats_per_ring - get packets and bytes stats per ring 5272fcea6f3dSAnirudh Venkataramanan * @ring: Tx or Rx ring to read stats from 5273fcea6f3dSAnirudh Venkataramanan * @pkts: packets stats counter 5274fcea6f3dSAnirudh Venkataramanan * @bytes: bytes stats counter 5275fcea6f3dSAnirudh Venkataramanan * 5276fcea6f3dSAnirudh Venkataramanan * This function fetches stats from the ring considering the atomic operations 5277fcea6f3dSAnirudh Venkataramanan * that needs to be performed to read u64 values in 32 bit machine. 5278fcea6f3dSAnirudh Venkataramanan */ 5279c8b7abddSBruce Allan static void 5280c8b7abddSBruce Allan ice_fetch_u64_stats_per_ring(struct ice_ring *ring, u64 *pkts, u64 *bytes) 5281fcea6f3dSAnirudh Venkataramanan { 5282fcea6f3dSAnirudh Venkataramanan unsigned int start; 5283fcea6f3dSAnirudh Venkataramanan *pkts = 0; 5284fcea6f3dSAnirudh Venkataramanan *bytes = 0; 5285fcea6f3dSAnirudh Venkataramanan 5286fcea6f3dSAnirudh Venkataramanan if (!ring) 5287fcea6f3dSAnirudh Venkataramanan return; 5288fcea6f3dSAnirudh Venkataramanan do { 5289fcea6f3dSAnirudh Venkataramanan start = u64_stats_fetch_begin_irq(&ring->syncp); 5290fcea6f3dSAnirudh Venkataramanan *pkts = ring->stats.pkts; 5291fcea6f3dSAnirudh Venkataramanan *bytes = ring->stats.bytes; 5292fcea6f3dSAnirudh Venkataramanan } while (u64_stats_fetch_retry_irq(&ring->syncp, start)); 5293fcea6f3dSAnirudh Venkataramanan } 5294fcea6f3dSAnirudh Venkataramanan 5295fcea6f3dSAnirudh Venkataramanan /** 529649d358e0SMarta Plantykow * ice_update_vsi_tx_ring_stats - Update VSI Tx ring stats counters 529749d358e0SMarta Plantykow * @vsi: the VSI to be updated 529849d358e0SMarta Plantykow * @rings: rings to work on 529949d358e0SMarta Plantykow * @count: number of rings 530049d358e0SMarta Plantykow */ 530149d358e0SMarta Plantykow static void 530249d358e0SMarta Plantykow ice_update_vsi_tx_ring_stats(struct ice_vsi *vsi, struct ice_ring **rings, 530349d358e0SMarta Plantykow u16 count) 530449d358e0SMarta Plantykow { 530549d358e0SMarta Plantykow struct rtnl_link_stats64 *vsi_stats = &vsi->net_stats; 530649d358e0SMarta Plantykow u16 i; 530749d358e0SMarta Plantykow 530849d358e0SMarta Plantykow for (i = 0; i < count; i++) { 530949d358e0SMarta Plantykow struct ice_ring *ring; 531049d358e0SMarta Plantykow u64 pkts, bytes; 531149d358e0SMarta Plantykow 531249d358e0SMarta Plantykow ring = READ_ONCE(rings[i]); 531349d358e0SMarta Plantykow ice_fetch_u64_stats_per_ring(ring, &pkts, &bytes); 531449d358e0SMarta Plantykow vsi_stats->tx_packets += pkts; 531549d358e0SMarta Plantykow vsi_stats->tx_bytes += bytes; 531649d358e0SMarta Plantykow vsi->tx_restart += ring->tx_stats.restart_q; 531749d358e0SMarta Plantykow vsi->tx_busy += ring->tx_stats.tx_busy; 531849d358e0SMarta Plantykow vsi->tx_linearize += ring->tx_stats.tx_linearize; 531949d358e0SMarta Plantykow } 532049d358e0SMarta Plantykow } 532149d358e0SMarta Plantykow 532249d358e0SMarta Plantykow /** 5323fcea6f3dSAnirudh Venkataramanan * ice_update_vsi_ring_stats - Update VSI stats counters 5324fcea6f3dSAnirudh Venkataramanan * @vsi: the VSI to be updated 5325fcea6f3dSAnirudh Venkataramanan */ 5326fcea6f3dSAnirudh Venkataramanan static void ice_update_vsi_ring_stats(struct ice_vsi *vsi) 5327fcea6f3dSAnirudh Venkataramanan { 5328fcea6f3dSAnirudh Venkataramanan struct rtnl_link_stats64 *vsi_stats = &vsi->net_stats; 5329fcea6f3dSAnirudh Venkataramanan struct ice_ring *ring; 5330fcea6f3dSAnirudh Venkataramanan u64 pkts, bytes; 5331fcea6f3dSAnirudh Venkataramanan int i; 5332fcea6f3dSAnirudh Venkataramanan 5333fcea6f3dSAnirudh Venkataramanan /* reset netdev stats */ 5334fcea6f3dSAnirudh Venkataramanan vsi_stats->tx_packets = 0; 5335fcea6f3dSAnirudh Venkataramanan vsi_stats->tx_bytes = 0; 5336fcea6f3dSAnirudh Venkataramanan vsi_stats->rx_packets = 0; 5337fcea6f3dSAnirudh Venkataramanan vsi_stats->rx_bytes = 0; 5338fcea6f3dSAnirudh Venkataramanan 5339fcea6f3dSAnirudh Venkataramanan /* reset non-netdev (extended) stats */ 5340fcea6f3dSAnirudh Venkataramanan vsi->tx_restart = 0; 5341fcea6f3dSAnirudh Venkataramanan vsi->tx_busy = 0; 5342fcea6f3dSAnirudh Venkataramanan vsi->tx_linearize = 0; 5343fcea6f3dSAnirudh Venkataramanan vsi->rx_buf_failed = 0; 5344fcea6f3dSAnirudh Venkataramanan vsi->rx_page_failed = 0; 5345a8fffd7aSJesse Brandeburg vsi->rx_gro_dropped = 0; 5346fcea6f3dSAnirudh Venkataramanan 5347fcea6f3dSAnirudh Venkataramanan rcu_read_lock(); 5348fcea6f3dSAnirudh Venkataramanan 5349fcea6f3dSAnirudh Venkataramanan /* update Tx rings counters */ 535049d358e0SMarta Plantykow ice_update_vsi_tx_ring_stats(vsi, vsi->tx_rings, vsi->num_txq); 5351fcea6f3dSAnirudh Venkataramanan 5352fcea6f3dSAnirudh Venkataramanan /* update Rx rings counters */ 5353fcea6f3dSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) { 5354fcea6f3dSAnirudh Venkataramanan ring = READ_ONCE(vsi->rx_rings[i]); 5355fcea6f3dSAnirudh Venkataramanan ice_fetch_u64_stats_per_ring(ring, &pkts, &bytes); 5356fcea6f3dSAnirudh Venkataramanan vsi_stats->rx_packets += pkts; 5357fcea6f3dSAnirudh Venkataramanan vsi_stats->rx_bytes += bytes; 5358fcea6f3dSAnirudh Venkataramanan vsi->rx_buf_failed += ring->rx_stats.alloc_buf_failed; 5359fcea6f3dSAnirudh Venkataramanan vsi->rx_page_failed += ring->rx_stats.alloc_page_failed; 5360a8fffd7aSJesse Brandeburg vsi->rx_gro_dropped += ring->rx_stats.gro_dropped; 5361fcea6f3dSAnirudh Venkataramanan } 5362fcea6f3dSAnirudh Venkataramanan 536349d358e0SMarta Plantykow /* update XDP Tx rings counters */ 536449d358e0SMarta Plantykow if (ice_is_xdp_ena_vsi(vsi)) 536549d358e0SMarta Plantykow ice_update_vsi_tx_ring_stats(vsi, vsi->xdp_rings, 536649d358e0SMarta Plantykow vsi->num_xdp_txq); 536749d358e0SMarta Plantykow 5368fcea6f3dSAnirudh Venkataramanan rcu_read_unlock(); 5369fcea6f3dSAnirudh Venkataramanan } 5370fcea6f3dSAnirudh Venkataramanan 5371fcea6f3dSAnirudh Venkataramanan /** 5372fcea6f3dSAnirudh Venkataramanan * ice_update_vsi_stats - Update VSI stats counters 5373fcea6f3dSAnirudh Venkataramanan * @vsi: the VSI to be updated 5374fcea6f3dSAnirudh Venkataramanan */ 53755a4a8673SBruce Allan void ice_update_vsi_stats(struct ice_vsi *vsi) 5376fcea6f3dSAnirudh Venkataramanan { 5377fcea6f3dSAnirudh Venkataramanan struct rtnl_link_stats64 *cur_ns = &vsi->net_stats; 5378fcea6f3dSAnirudh Venkataramanan struct ice_eth_stats *cur_es = &vsi->eth_stats; 5379fcea6f3dSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 5380fcea6f3dSAnirudh Venkataramanan 5381fcea6f3dSAnirudh Venkataramanan if (test_bit(__ICE_DOWN, vsi->state) || 5382fcea6f3dSAnirudh Venkataramanan test_bit(__ICE_CFG_BUSY, pf->state)) 5383fcea6f3dSAnirudh Venkataramanan return; 5384fcea6f3dSAnirudh Venkataramanan 5385fcea6f3dSAnirudh Venkataramanan /* get stats as recorded by Tx/Rx rings */ 5386fcea6f3dSAnirudh Venkataramanan ice_update_vsi_ring_stats(vsi); 5387fcea6f3dSAnirudh Venkataramanan 5388fcea6f3dSAnirudh Venkataramanan /* get VSI stats as recorded by the hardware */ 5389fcea6f3dSAnirudh Venkataramanan ice_update_eth_stats(vsi); 5390fcea6f3dSAnirudh Venkataramanan 5391fcea6f3dSAnirudh Venkataramanan cur_ns->tx_errors = cur_es->tx_errors; 5392a8fffd7aSJesse Brandeburg cur_ns->rx_dropped = cur_es->rx_discards + vsi->rx_gro_dropped; 5393fcea6f3dSAnirudh Venkataramanan cur_ns->tx_dropped = cur_es->tx_discards; 5394fcea6f3dSAnirudh Venkataramanan cur_ns->multicast = cur_es->rx_multicast; 5395fcea6f3dSAnirudh Venkataramanan 5396fcea6f3dSAnirudh Venkataramanan /* update some more netdev stats if this is main VSI */ 5397fcea6f3dSAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF) { 5398fcea6f3dSAnirudh Venkataramanan cur_ns->rx_crc_errors = pf->stats.crc_errors; 5399fcea6f3dSAnirudh Venkataramanan cur_ns->rx_errors = pf->stats.crc_errors + 54004f1fe43cSBrett Creeley pf->stats.illegal_bytes + 54014f1fe43cSBrett Creeley pf->stats.rx_len_errors + 54024f1fe43cSBrett Creeley pf->stats.rx_undersize + 54034f1fe43cSBrett Creeley pf->hw_csum_rx_error + 54044f1fe43cSBrett Creeley pf->stats.rx_jabber + 54054f1fe43cSBrett Creeley pf->stats.rx_fragments + 54064f1fe43cSBrett Creeley pf->stats.rx_oversize; 5407fcea6f3dSAnirudh Venkataramanan cur_ns->rx_length_errors = pf->stats.rx_len_errors; 540856923ab6SBrett Creeley /* record drops from the port level */ 540956923ab6SBrett Creeley cur_ns->rx_missed_errors = pf->stats.eth.rx_discards; 5410fcea6f3dSAnirudh Venkataramanan } 5411fcea6f3dSAnirudh Venkataramanan } 5412fcea6f3dSAnirudh Venkataramanan 5413fcea6f3dSAnirudh Venkataramanan /** 5414fcea6f3dSAnirudh Venkataramanan * ice_update_pf_stats - Update PF port stats counters 5415fcea6f3dSAnirudh Venkataramanan * @pf: PF whose stats needs to be updated 5416fcea6f3dSAnirudh Venkataramanan */ 54175a4a8673SBruce Allan void ice_update_pf_stats(struct ice_pf *pf) 5418fcea6f3dSAnirudh Venkataramanan { 5419fcea6f3dSAnirudh Venkataramanan struct ice_hw_port_stats *prev_ps, *cur_ps; 5420fcea6f3dSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 54214ab95646SHenry Tieman u16 fd_ctr_base; 54229e7a5d17SUsha Ketineni u8 port; 5423fcea6f3dSAnirudh Venkataramanan 54249e7a5d17SUsha Ketineni port = hw->port_info->lport; 5425fcea6f3dSAnirudh Venkataramanan prev_ps = &pf->stats_prev; 5426fcea6f3dSAnirudh Venkataramanan cur_ps = &pf->stats; 5427fcea6f3dSAnirudh Venkataramanan 54289e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_GORCL(port), pf->stat_prev_loaded, 542936517fd3SJacob Keller &prev_ps->eth.rx_bytes, 5430fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_bytes); 5431fcea6f3dSAnirudh Venkataramanan 54329e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_UPRCL(port), pf->stat_prev_loaded, 543336517fd3SJacob Keller &prev_ps->eth.rx_unicast, 5434fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_unicast); 5435fcea6f3dSAnirudh Venkataramanan 54369e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_MPRCL(port), pf->stat_prev_loaded, 543736517fd3SJacob Keller &prev_ps->eth.rx_multicast, 5438fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_multicast); 5439fcea6f3dSAnirudh Venkataramanan 54409e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_BPRCL(port), pf->stat_prev_loaded, 544136517fd3SJacob Keller &prev_ps->eth.rx_broadcast, 5442fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_broadcast); 5443fcea6f3dSAnirudh Venkataramanan 544456923ab6SBrett Creeley ice_stat_update32(hw, PRTRPB_RDPC, pf->stat_prev_loaded, 544556923ab6SBrett Creeley &prev_ps->eth.rx_discards, 544656923ab6SBrett Creeley &cur_ps->eth.rx_discards); 544756923ab6SBrett Creeley 54489e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_GOTCL(port), pf->stat_prev_loaded, 544936517fd3SJacob Keller &prev_ps->eth.tx_bytes, 5450fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_bytes); 5451fcea6f3dSAnirudh Venkataramanan 54529e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_UPTCL(port), pf->stat_prev_loaded, 545336517fd3SJacob Keller &prev_ps->eth.tx_unicast, 5454fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_unicast); 5455fcea6f3dSAnirudh Venkataramanan 54569e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_MPTCL(port), pf->stat_prev_loaded, 545736517fd3SJacob Keller &prev_ps->eth.tx_multicast, 5458fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_multicast); 5459fcea6f3dSAnirudh Venkataramanan 54609e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_BPTCL(port), pf->stat_prev_loaded, 546136517fd3SJacob Keller &prev_ps->eth.tx_broadcast, 5462fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_broadcast); 5463fcea6f3dSAnirudh Venkataramanan 54649e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_TDOLD(port), pf->stat_prev_loaded, 5465fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_dropped_link_down, 5466fcea6f3dSAnirudh Venkataramanan &cur_ps->tx_dropped_link_down); 5467fcea6f3dSAnirudh Venkataramanan 54689e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC64L(port), pf->stat_prev_loaded, 546936517fd3SJacob Keller &prev_ps->rx_size_64, &cur_ps->rx_size_64); 5470fcea6f3dSAnirudh Venkataramanan 54719e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC127L(port), pf->stat_prev_loaded, 547236517fd3SJacob Keller &prev_ps->rx_size_127, &cur_ps->rx_size_127); 5473fcea6f3dSAnirudh Venkataramanan 54749e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC255L(port), pf->stat_prev_loaded, 547536517fd3SJacob Keller &prev_ps->rx_size_255, &cur_ps->rx_size_255); 5476fcea6f3dSAnirudh Venkataramanan 54779e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC511L(port), pf->stat_prev_loaded, 547836517fd3SJacob Keller &prev_ps->rx_size_511, &cur_ps->rx_size_511); 5479fcea6f3dSAnirudh Venkataramanan 54809e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC1023L(port), pf->stat_prev_loaded, 5481fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_size_1023, &cur_ps->rx_size_1023); 5482fcea6f3dSAnirudh Venkataramanan 54839e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC1522L(port), pf->stat_prev_loaded, 5484fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_size_1522, &cur_ps->rx_size_1522); 5485fcea6f3dSAnirudh Venkataramanan 54869e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC9522L(port), pf->stat_prev_loaded, 5487fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_size_big, &cur_ps->rx_size_big); 5488fcea6f3dSAnirudh Venkataramanan 54899e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC64L(port), pf->stat_prev_loaded, 549036517fd3SJacob Keller &prev_ps->tx_size_64, &cur_ps->tx_size_64); 5491fcea6f3dSAnirudh Venkataramanan 54929e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC127L(port), pf->stat_prev_loaded, 549336517fd3SJacob Keller &prev_ps->tx_size_127, &cur_ps->tx_size_127); 5494fcea6f3dSAnirudh Venkataramanan 54959e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC255L(port), pf->stat_prev_loaded, 549636517fd3SJacob Keller &prev_ps->tx_size_255, &cur_ps->tx_size_255); 5497fcea6f3dSAnirudh Venkataramanan 54989e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC511L(port), pf->stat_prev_loaded, 549936517fd3SJacob Keller &prev_ps->tx_size_511, &cur_ps->tx_size_511); 5500fcea6f3dSAnirudh Venkataramanan 55019e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC1023L(port), pf->stat_prev_loaded, 5502fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_size_1023, &cur_ps->tx_size_1023); 5503fcea6f3dSAnirudh Venkataramanan 55049e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC1522L(port), pf->stat_prev_loaded, 5505fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_size_1522, &cur_ps->tx_size_1522); 5506fcea6f3dSAnirudh Venkataramanan 55079e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC9522L(port), pf->stat_prev_loaded, 5508fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_size_big, &cur_ps->tx_size_big); 5509fcea6f3dSAnirudh Venkataramanan 55104ab95646SHenry Tieman fd_ctr_base = hw->fd_ctr_base; 55114ab95646SHenry Tieman 55124ab95646SHenry Tieman ice_stat_update40(hw, 55134ab95646SHenry Tieman GLSTAT_FD_CNT0L(ICE_FD_SB_STAT_IDX(fd_ctr_base)), 55144ab95646SHenry Tieman pf->stat_prev_loaded, &prev_ps->fd_sb_match, 55154ab95646SHenry Tieman &cur_ps->fd_sb_match); 55169e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXONRXC(port), pf->stat_prev_loaded, 5517fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xon_rx, &cur_ps->link_xon_rx); 5518fcea6f3dSAnirudh Venkataramanan 55199e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXOFFRXC(port), pf->stat_prev_loaded, 5520fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xoff_rx, &cur_ps->link_xoff_rx); 5521fcea6f3dSAnirudh Venkataramanan 55229e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXONTXC(port), pf->stat_prev_loaded, 5523fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xon_tx, &cur_ps->link_xon_tx); 5524fcea6f3dSAnirudh Venkataramanan 55259e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXOFFTXC(port), pf->stat_prev_loaded, 5526fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xoff_tx, &cur_ps->link_xoff_tx); 5527fcea6f3dSAnirudh Venkataramanan 55284b0fdcebSAnirudh Venkataramanan ice_update_dcb_stats(pf); 55294b0fdcebSAnirudh Venkataramanan 55309e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_CRCERRS(port), pf->stat_prev_loaded, 5531fcea6f3dSAnirudh Venkataramanan &prev_ps->crc_errors, &cur_ps->crc_errors); 5532fcea6f3dSAnirudh Venkataramanan 55339e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_ILLERRC(port), pf->stat_prev_loaded, 5534fcea6f3dSAnirudh Venkataramanan &prev_ps->illegal_bytes, &cur_ps->illegal_bytes); 5535fcea6f3dSAnirudh Venkataramanan 55369e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_MLFC(port), pf->stat_prev_loaded, 5537fcea6f3dSAnirudh Venkataramanan &prev_ps->mac_local_faults, 5538fcea6f3dSAnirudh Venkataramanan &cur_ps->mac_local_faults); 5539fcea6f3dSAnirudh Venkataramanan 55409e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_MRFC(port), pf->stat_prev_loaded, 5541fcea6f3dSAnirudh Venkataramanan &prev_ps->mac_remote_faults, 5542fcea6f3dSAnirudh Venkataramanan &cur_ps->mac_remote_faults); 5543fcea6f3dSAnirudh Venkataramanan 55449e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RLEC(port), pf->stat_prev_loaded, 5545fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_len_errors, &cur_ps->rx_len_errors); 5546fcea6f3dSAnirudh Venkataramanan 55479e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RUC(port), pf->stat_prev_loaded, 5548fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_undersize, &cur_ps->rx_undersize); 5549fcea6f3dSAnirudh Venkataramanan 55509e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RFC(port), pf->stat_prev_loaded, 5551fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_fragments, &cur_ps->rx_fragments); 5552fcea6f3dSAnirudh Venkataramanan 55539e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_ROC(port), pf->stat_prev_loaded, 5554fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_oversize, &cur_ps->rx_oversize); 5555fcea6f3dSAnirudh Venkataramanan 55569e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RJC(port), pf->stat_prev_loaded, 5557fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_jabber, &cur_ps->rx_jabber); 5558fcea6f3dSAnirudh Venkataramanan 55594ab95646SHenry Tieman cur_ps->fd_sb_status = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 55604ab95646SHenry Tieman 5561fcea6f3dSAnirudh Venkataramanan pf->stat_prev_loaded = true; 5562fcea6f3dSAnirudh Venkataramanan } 5563fcea6f3dSAnirudh Venkataramanan 5564fcea6f3dSAnirudh Venkataramanan /** 5565fcea6f3dSAnirudh Venkataramanan * ice_get_stats64 - get statistics for network device structure 5566fcea6f3dSAnirudh Venkataramanan * @netdev: network interface device structure 5567fcea6f3dSAnirudh Venkataramanan * @stats: main device statistics structure 5568fcea6f3dSAnirudh Venkataramanan */ 5569fcea6f3dSAnirudh Venkataramanan static 5570fcea6f3dSAnirudh Venkataramanan void ice_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats) 5571fcea6f3dSAnirudh Venkataramanan { 5572fcea6f3dSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 5573fcea6f3dSAnirudh Venkataramanan struct rtnl_link_stats64 *vsi_stats; 5574fcea6f3dSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 5575fcea6f3dSAnirudh Venkataramanan 5576fcea6f3dSAnirudh Venkataramanan vsi_stats = &vsi->net_stats; 5577fcea6f3dSAnirudh Venkataramanan 55783d57fd10SDave Ertman if (!vsi->num_txq || !vsi->num_rxq) 5579fcea6f3dSAnirudh Venkataramanan return; 55803d57fd10SDave Ertman 5581fcea6f3dSAnirudh Venkataramanan /* netdev packet/byte stats come from ring counter. These are obtained 5582fcea6f3dSAnirudh Venkataramanan * by summing up ring counters (done by ice_update_vsi_ring_stats). 55833d57fd10SDave Ertman * But, only call the update routine and read the registers if VSI is 55843d57fd10SDave Ertman * not down. 5585fcea6f3dSAnirudh Venkataramanan */ 55863d57fd10SDave Ertman if (!test_bit(__ICE_DOWN, vsi->state)) 5587fcea6f3dSAnirudh Venkataramanan ice_update_vsi_ring_stats(vsi); 5588fcea6f3dSAnirudh Venkataramanan stats->tx_packets = vsi_stats->tx_packets; 5589fcea6f3dSAnirudh Venkataramanan stats->tx_bytes = vsi_stats->tx_bytes; 5590fcea6f3dSAnirudh Venkataramanan stats->rx_packets = vsi_stats->rx_packets; 5591fcea6f3dSAnirudh Venkataramanan stats->rx_bytes = vsi_stats->rx_bytes; 5592fcea6f3dSAnirudh Venkataramanan 5593fcea6f3dSAnirudh Venkataramanan /* The rest of the stats can be read from the hardware but instead we 5594fcea6f3dSAnirudh Venkataramanan * just return values that the watchdog task has already obtained from 5595fcea6f3dSAnirudh Venkataramanan * the hardware. 5596fcea6f3dSAnirudh Venkataramanan */ 5597fcea6f3dSAnirudh Venkataramanan stats->multicast = vsi_stats->multicast; 5598fcea6f3dSAnirudh Venkataramanan stats->tx_errors = vsi_stats->tx_errors; 5599fcea6f3dSAnirudh Venkataramanan stats->tx_dropped = vsi_stats->tx_dropped; 5600fcea6f3dSAnirudh Venkataramanan stats->rx_errors = vsi_stats->rx_errors; 5601fcea6f3dSAnirudh Venkataramanan stats->rx_dropped = vsi_stats->rx_dropped; 5602fcea6f3dSAnirudh Venkataramanan stats->rx_crc_errors = vsi_stats->rx_crc_errors; 5603fcea6f3dSAnirudh Venkataramanan stats->rx_length_errors = vsi_stats->rx_length_errors; 5604fcea6f3dSAnirudh Venkataramanan } 5605fcea6f3dSAnirudh Venkataramanan 5606fcea6f3dSAnirudh Venkataramanan /** 56072b245cb2SAnirudh Venkataramanan * ice_napi_disable_all - Disable NAPI for all q_vectors in the VSI 56082b245cb2SAnirudh Venkataramanan * @vsi: VSI having NAPI disabled 56092b245cb2SAnirudh Venkataramanan */ 56102b245cb2SAnirudh Venkataramanan static void ice_napi_disable_all(struct ice_vsi *vsi) 56112b245cb2SAnirudh Venkataramanan { 56122b245cb2SAnirudh Venkataramanan int q_idx; 56132b245cb2SAnirudh Venkataramanan 56142b245cb2SAnirudh Venkataramanan if (!vsi->netdev) 56152b245cb2SAnirudh Venkataramanan return; 56162b245cb2SAnirudh Venkataramanan 56170c2561c8SBrett Creeley ice_for_each_q_vector(vsi, q_idx) { 5618eec90376SYoung Xiao struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 5619eec90376SYoung Xiao 5620eec90376SYoung Xiao if (q_vector->rx.ring || q_vector->tx.ring) 5621eec90376SYoung Xiao napi_disable(&q_vector->napi); 5622eec90376SYoung Xiao } 56232b245cb2SAnirudh Venkataramanan } 56242b245cb2SAnirudh Venkataramanan 56252b245cb2SAnirudh Venkataramanan /** 5626cdedef59SAnirudh Venkataramanan * ice_down - Shutdown the connection 5627cdedef59SAnirudh Venkataramanan * @vsi: The VSI being stopped 5628cdedef59SAnirudh Venkataramanan */ 5629fcea6f3dSAnirudh Venkataramanan int ice_down(struct ice_vsi *vsi) 5630cdedef59SAnirudh Venkataramanan { 5631ab4ab73fSBruce Allan int i, tx_err, rx_err, link_err = 0; 5632cdedef59SAnirudh Venkataramanan 5633cdedef59SAnirudh Venkataramanan /* Caller of this function is expected to set the 5634cdedef59SAnirudh Venkataramanan * vsi->state __ICE_DOWN bit 5635cdedef59SAnirudh Venkataramanan */ 5636cdedef59SAnirudh Venkataramanan if (vsi->netdev) { 5637cdedef59SAnirudh Venkataramanan netif_carrier_off(vsi->netdev); 5638cdedef59SAnirudh Venkataramanan netif_tx_disable(vsi->netdev); 5639cdedef59SAnirudh Venkataramanan } 5640cdedef59SAnirudh Venkataramanan 5641cdedef59SAnirudh Venkataramanan ice_vsi_dis_irq(vsi); 564203f7a986SAnirudh Venkataramanan 564303f7a986SAnirudh Venkataramanan tx_err = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 564472adf242SAnirudh Venkataramanan if (tx_err) 564519cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed stop Tx rings, VSI %d error %d\n", 564672adf242SAnirudh Venkataramanan vsi->vsi_num, tx_err); 5647efc2214bSMaciej Fijalkowski if (!tx_err && ice_is_xdp_ena_vsi(vsi)) { 5648efc2214bSMaciej Fijalkowski tx_err = ice_vsi_stop_xdp_tx_rings(vsi); 5649efc2214bSMaciej Fijalkowski if (tx_err) 565019cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed stop XDP rings, VSI %d error %d\n", 5651efc2214bSMaciej Fijalkowski vsi->vsi_num, tx_err); 5652efc2214bSMaciej Fijalkowski } 565372adf242SAnirudh Venkataramanan 565413a6233bSBrett Creeley rx_err = ice_vsi_stop_all_rx_rings(vsi); 565572adf242SAnirudh Venkataramanan if (rx_err) 565619cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed stop Rx rings, VSI %d error %d\n", 565772adf242SAnirudh Venkataramanan vsi->vsi_num, rx_err); 565872adf242SAnirudh Venkataramanan 56592b245cb2SAnirudh Venkataramanan ice_napi_disable_all(vsi); 5660cdedef59SAnirudh Venkataramanan 5661ab4ab73fSBruce Allan if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags)) { 5662b6f934f0SBrett Creeley link_err = ice_force_phys_link_state(vsi, false); 5663b6f934f0SBrett Creeley if (link_err) 566419cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed to set physical link down, VSI %d error %d\n", 5665b6f934f0SBrett Creeley vsi->vsi_num, link_err); 5666ab4ab73fSBruce Allan } 5667b6f934f0SBrett Creeley 5668cdedef59SAnirudh Venkataramanan ice_for_each_txq(vsi, i) 5669cdedef59SAnirudh Venkataramanan ice_clean_tx_ring(vsi->tx_rings[i]); 5670cdedef59SAnirudh Venkataramanan 5671cdedef59SAnirudh Venkataramanan ice_for_each_rxq(vsi, i) 5672cdedef59SAnirudh Venkataramanan ice_clean_rx_ring(vsi->rx_rings[i]); 5673cdedef59SAnirudh Venkataramanan 5674b6f934f0SBrett Creeley if (tx_err || rx_err || link_err) { 567519cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed to close VSI 0x%04X on switch 0x%04X\n", 5676cdedef59SAnirudh Venkataramanan vsi->vsi_num, vsi->vsw->sw_id); 567772adf242SAnirudh Venkataramanan return -EIO; 567872adf242SAnirudh Venkataramanan } 567972adf242SAnirudh Venkataramanan 568072adf242SAnirudh Venkataramanan return 0; 5681cdedef59SAnirudh Venkataramanan } 5682cdedef59SAnirudh Venkataramanan 5683cdedef59SAnirudh Venkataramanan /** 5684cdedef59SAnirudh Venkataramanan * ice_vsi_setup_tx_rings - Allocate VSI Tx queue resources 5685cdedef59SAnirudh Venkataramanan * @vsi: VSI having resources allocated 5686cdedef59SAnirudh Venkataramanan * 5687cdedef59SAnirudh Venkataramanan * Return 0 on success, negative on failure 5688cdedef59SAnirudh Venkataramanan */ 56890e674aebSAnirudh Venkataramanan int ice_vsi_setup_tx_rings(struct ice_vsi *vsi) 5690cdedef59SAnirudh Venkataramanan { 5691dab0588fSJesse Brandeburg int i, err = 0; 5692cdedef59SAnirudh Venkataramanan 5693cdedef59SAnirudh Venkataramanan if (!vsi->num_txq) { 56949a946843SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "VSI %d has 0 Tx queues\n", 5695cdedef59SAnirudh Venkataramanan vsi->vsi_num); 5696cdedef59SAnirudh Venkataramanan return -EINVAL; 5697cdedef59SAnirudh Venkataramanan } 5698cdedef59SAnirudh Venkataramanan 5699cdedef59SAnirudh Venkataramanan ice_for_each_txq(vsi, i) { 5700eb0ee8abSMichal Swiatkowski struct ice_ring *ring = vsi->tx_rings[i]; 5701eb0ee8abSMichal Swiatkowski 5702eb0ee8abSMichal Swiatkowski if (!ring) 5703eb0ee8abSMichal Swiatkowski return -EINVAL; 5704eb0ee8abSMichal Swiatkowski 5705eb0ee8abSMichal Swiatkowski ring->netdev = vsi->netdev; 5706eb0ee8abSMichal Swiatkowski err = ice_setup_tx_ring(ring); 5707cdedef59SAnirudh Venkataramanan if (err) 5708cdedef59SAnirudh Venkataramanan break; 5709cdedef59SAnirudh Venkataramanan } 5710cdedef59SAnirudh Venkataramanan 5711cdedef59SAnirudh Venkataramanan return err; 5712cdedef59SAnirudh Venkataramanan } 5713cdedef59SAnirudh Venkataramanan 5714cdedef59SAnirudh Venkataramanan /** 5715cdedef59SAnirudh Venkataramanan * ice_vsi_setup_rx_rings - Allocate VSI Rx queue resources 5716cdedef59SAnirudh Venkataramanan * @vsi: VSI having resources allocated 5717cdedef59SAnirudh Venkataramanan * 5718cdedef59SAnirudh Venkataramanan * Return 0 on success, negative on failure 5719cdedef59SAnirudh Venkataramanan */ 57200e674aebSAnirudh Venkataramanan int ice_vsi_setup_rx_rings(struct ice_vsi *vsi) 5721cdedef59SAnirudh Venkataramanan { 5722dab0588fSJesse Brandeburg int i, err = 0; 5723cdedef59SAnirudh Venkataramanan 5724cdedef59SAnirudh Venkataramanan if (!vsi->num_rxq) { 57259a946843SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "VSI %d has 0 Rx queues\n", 5726cdedef59SAnirudh Venkataramanan vsi->vsi_num); 5727cdedef59SAnirudh Venkataramanan return -EINVAL; 5728cdedef59SAnirudh Venkataramanan } 5729cdedef59SAnirudh Venkataramanan 5730cdedef59SAnirudh Venkataramanan ice_for_each_rxq(vsi, i) { 5731eb0ee8abSMichal Swiatkowski struct ice_ring *ring = vsi->rx_rings[i]; 5732eb0ee8abSMichal Swiatkowski 5733eb0ee8abSMichal Swiatkowski if (!ring) 5734eb0ee8abSMichal Swiatkowski return -EINVAL; 5735eb0ee8abSMichal Swiatkowski 5736eb0ee8abSMichal Swiatkowski ring->netdev = vsi->netdev; 5737eb0ee8abSMichal Swiatkowski err = ice_setup_rx_ring(ring); 5738cdedef59SAnirudh Venkataramanan if (err) 5739cdedef59SAnirudh Venkataramanan break; 5740cdedef59SAnirudh Venkataramanan } 5741cdedef59SAnirudh Venkataramanan 5742cdedef59SAnirudh Venkataramanan return err; 5743cdedef59SAnirudh Venkataramanan } 5744cdedef59SAnirudh Venkataramanan 5745cdedef59SAnirudh Venkataramanan /** 5746148beb61SHenry Tieman * ice_vsi_open_ctrl - open control VSI for use 5747148beb61SHenry Tieman * @vsi: the VSI to open 5748148beb61SHenry Tieman * 5749148beb61SHenry Tieman * Initialization of the Control VSI 5750148beb61SHenry Tieman * 5751148beb61SHenry Tieman * Returns 0 on success, negative value on error 5752148beb61SHenry Tieman */ 5753148beb61SHenry Tieman int ice_vsi_open_ctrl(struct ice_vsi *vsi) 5754148beb61SHenry Tieman { 5755148beb61SHenry Tieman char int_name[ICE_INT_NAME_STR_LEN]; 5756148beb61SHenry Tieman struct ice_pf *pf = vsi->back; 5757148beb61SHenry Tieman struct device *dev; 5758148beb61SHenry Tieman int err; 5759148beb61SHenry Tieman 5760148beb61SHenry Tieman dev = ice_pf_to_dev(pf); 5761148beb61SHenry Tieman /* allocate descriptors */ 5762148beb61SHenry Tieman err = ice_vsi_setup_tx_rings(vsi); 5763148beb61SHenry Tieman if (err) 5764148beb61SHenry Tieman goto err_setup_tx; 5765148beb61SHenry Tieman 5766148beb61SHenry Tieman err = ice_vsi_setup_rx_rings(vsi); 5767148beb61SHenry Tieman if (err) 5768148beb61SHenry Tieman goto err_setup_rx; 5769148beb61SHenry Tieman 5770148beb61SHenry Tieman err = ice_vsi_cfg(vsi); 5771148beb61SHenry Tieman if (err) 5772148beb61SHenry Tieman goto err_setup_rx; 5773148beb61SHenry Tieman 5774148beb61SHenry Tieman snprintf(int_name, sizeof(int_name) - 1, "%s-%s:ctrl", 5775148beb61SHenry Tieman dev_driver_string(dev), dev_name(dev)); 5776148beb61SHenry Tieman err = ice_vsi_req_irq_msix(vsi, int_name); 5777148beb61SHenry Tieman if (err) 5778148beb61SHenry Tieman goto err_setup_rx; 5779148beb61SHenry Tieman 5780148beb61SHenry Tieman ice_vsi_cfg_msix(vsi); 5781148beb61SHenry Tieman 5782148beb61SHenry Tieman err = ice_vsi_start_all_rx_rings(vsi); 5783148beb61SHenry Tieman if (err) 5784148beb61SHenry Tieman goto err_up_complete; 5785148beb61SHenry Tieman 5786148beb61SHenry Tieman clear_bit(__ICE_DOWN, vsi->state); 5787148beb61SHenry Tieman ice_vsi_ena_irq(vsi); 5788148beb61SHenry Tieman 5789148beb61SHenry Tieman return 0; 5790148beb61SHenry Tieman 5791148beb61SHenry Tieman err_up_complete: 5792148beb61SHenry Tieman ice_down(vsi); 5793148beb61SHenry Tieman err_setup_rx: 5794148beb61SHenry Tieman ice_vsi_free_rx_rings(vsi); 5795148beb61SHenry Tieman err_setup_tx: 5796148beb61SHenry Tieman ice_vsi_free_tx_rings(vsi); 5797148beb61SHenry Tieman 5798148beb61SHenry Tieman return err; 5799148beb61SHenry Tieman } 5800148beb61SHenry Tieman 5801148beb61SHenry Tieman /** 5802cdedef59SAnirudh Venkataramanan * ice_vsi_open - Called when a network interface is made active 5803cdedef59SAnirudh Venkataramanan * @vsi: the VSI to open 5804cdedef59SAnirudh Venkataramanan * 5805cdedef59SAnirudh Venkataramanan * Initialization of the VSI 5806cdedef59SAnirudh Venkataramanan * 5807cdedef59SAnirudh Venkataramanan * Returns 0 on success, negative value on error 5808cdedef59SAnirudh Venkataramanan */ 5809cdedef59SAnirudh Venkataramanan static int ice_vsi_open(struct ice_vsi *vsi) 5810cdedef59SAnirudh Venkataramanan { 5811cdedef59SAnirudh Venkataramanan char int_name[ICE_INT_NAME_STR_LEN]; 5812cdedef59SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 5813cdedef59SAnirudh Venkataramanan int err; 5814cdedef59SAnirudh Venkataramanan 5815cdedef59SAnirudh Venkataramanan /* allocate descriptors */ 5816cdedef59SAnirudh Venkataramanan err = ice_vsi_setup_tx_rings(vsi); 5817cdedef59SAnirudh Venkataramanan if (err) 5818cdedef59SAnirudh Venkataramanan goto err_setup_tx; 5819cdedef59SAnirudh Venkataramanan 5820cdedef59SAnirudh Venkataramanan err = ice_vsi_setup_rx_rings(vsi); 5821cdedef59SAnirudh Venkataramanan if (err) 5822cdedef59SAnirudh Venkataramanan goto err_setup_rx; 5823cdedef59SAnirudh Venkataramanan 5824cdedef59SAnirudh Venkataramanan err = ice_vsi_cfg(vsi); 5825cdedef59SAnirudh Venkataramanan if (err) 5826cdedef59SAnirudh Venkataramanan goto err_setup_rx; 5827cdedef59SAnirudh Venkataramanan 5828cdedef59SAnirudh Venkataramanan snprintf(int_name, sizeof(int_name) - 1, "%s-%s", 58294015d11eSBrett Creeley dev_driver_string(ice_pf_to_dev(pf)), vsi->netdev->name); 5830ba880734SBrett Creeley err = ice_vsi_req_irq_msix(vsi, int_name); 5831cdedef59SAnirudh Venkataramanan if (err) 5832cdedef59SAnirudh Venkataramanan goto err_setup_rx; 5833cdedef59SAnirudh Venkataramanan 5834cdedef59SAnirudh Venkataramanan /* Notify the stack of the actual queue counts. */ 5835cdedef59SAnirudh Venkataramanan err = netif_set_real_num_tx_queues(vsi->netdev, vsi->num_txq); 5836cdedef59SAnirudh Venkataramanan if (err) 5837cdedef59SAnirudh Venkataramanan goto err_set_qs; 5838cdedef59SAnirudh Venkataramanan 5839cdedef59SAnirudh Venkataramanan err = netif_set_real_num_rx_queues(vsi->netdev, vsi->num_rxq); 5840cdedef59SAnirudh Venkataramanan if (err) 5841cdedef59SAnirudh Venkataramanan goto err_set_qs; 5842cdedef59SAnirudh Venkataramanan 5843cdedef59SAnirudh Venkataramanan err = ice_up_complete(vsi); 5844cdedef59SAnirudh Venkataramanan if (err) 5845cdedef59SAnirudh Venkataramanan goto err_up_complete; 5846cdedef59SAnirudh Venkataramanan 5847cdedef59SAnirudh Venkataramanan return 0; 5848cdedef59SAnirudh Venkataramanan 5849cdedef59SAnirudh Venkataramanan err_up_complete: 5850cdedef59SAnirudh Venkataramanan ice_down(vsi); 5851cdedef59SAnirudh Venkataramanan err_set_qs: 5852cdedef59SAnirudh Venkataramanan ice_vsi_free_irq(vsi); 5853cdedef59SAnirudh Venkataramanan err_setup_rx: 5854cdedef59SAnirudh Venkataramanan ice_vsi_free_rx_rings(vsi); 5855cdedef59SAnirudh Venkataramanan err_setup_tx: 5856cdedef59SAnirudh Venkataramanan ice_vsi_free_tx_rings(vsi); 5857cdedef59SAnirudh Venkataramanan 5858cdedef59SAnirudh Venkataramanan return err; 5859cdedef59SAnirudh Venkataramanan } 5860cdedef59SAnirudh Venkataramanan 5861cdedef59SAnirudh Venkataramanan /** 58620f9d5027SAnirudh Venkataramanan * ice_vsi_release_all - Delete all VSIs 58630f9d5027SAnirudh Venkataramanan * @pf: PF from which all VSIs are being removed 58640f9d5027SAnirudh Venkataramanan */ 58650f9d5027SAnirudh Venkataramanan static void ice_vsi_release_all(struct ice_pf *pf) 58660f9d5027SAnirudh Venkataramanan { 58670f9d5027SAnirudh Venkataramanan int err, i; 58680f9d5027SAnirudh Venkataramanan 58690f9d5027SAnirudh Venkataramanan if (!pf->vsi) 58700f9d5027SAnirudh Venkataramanan return; 58710f9d5027SAnirudh Venkataramanan 587280ed404aSBrett Creeley ice_for_each_vsi(pf, i) { 58730f9d5027SAnirudh Venkataramanan if (!pf->vsi[i]) 58740f9d5027SAnirudh Venkataramanan continue; 58750f9d5027SAnirudh Venkataramanan 58760f9d5027SAnirudh Venkataramanan err = ice_vsi_release(pf->vsi[i]); 58770f9d5027SAnirudh Venkataramanan if (err) 587819cce2c6SAnirudh Venkataramanan dev_dbg(ice_pf_to_dev(pf), "Failed to release pf->vsi[%d], err %d, vsi_num = %d\n", 58790f9d5027SAnirudh Venkataramanan i, err, pf->vsi[i]->vsi_num); 58800f9d5027SAnirudh Venkataramanan } 58810f9d5027SAnirudh Venkataramanan } 58820f9d5027SAnirudh Venkataramanan 58830f9d5027SAnirudh Venkataramanan /** 5884462acf6aSTony Nguyen * ice_vsi_rebuild_by_type - Rebuild VSI of a given type 5885462acf6aSTony Nguyen * @pf: pointer to the PF instance 5886462acf6aSTony Nguyen * @type: VSI type to rebuild 5887462acf6aSTony Nguyen * 5888462acf6aSTony Nguyen * Iterates through the pf->vsi array and rebuilds VSIs of the requested type 58890f9d5027SAnirudh Venkataramanan */ 5890462acf6aSTony Nguyen static int ice_vsi_rebuild_by_type(struct ice_pf *pf, enum ice_vsi_type type) 58910f9d5027SAnirudh Venkataramanan { 58924015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 5893462acf6aSTony Nguyen enum ice_status status; 5894462acf6aSTony Nguyen int i, err; 58950f9d5027SAnirudh Venkataramanan 589680ed404aSBrett Creeley ice_for_each_vsi(pf, i) { 58974425e053SKrzysztof Kazimierczak struct ice_vsi *vsi = pf->vsi[i]; 58980f9d5027SAnirudh Venkataramanan 5899462acf6aSTony Nguyen if (!vsi || vsi->type != type) 59000f9d5027SAnirudh Venkataramanan continue; 59010f9d5027SAnirudh Venkataramanan 5902462acf6aSTony Nguyen /* rebuild the VSI */ 590387324e74SHenry Tieman err = ice_vsi_rebuild(vsi, true); 59040f9d5027SAnirudh Venkataramanan if (err) { 590519cce2c6SAnirudh Venkataramanan dev_err(dev, "rebuild VSI failed, err %d, VSI index %d, type %s\n", 5906964674f1SAnirudh Venkataramanan err, vsi->idx, ice_vsi_type_str(type)); 59070f9d5027SAnirudh Venkataramanan return err; 59080f9d5027SAnirudh Venkataramanan } 59090f9d5027SAnirudh Venkataramanan 5910462acf6aSTony Nguyen /* replay filters for the VSI */ 5911462acf6aSTony Nguyen status = ice_replay_vsi(&pf->hw, vsi->idx); 5912462acf6aSTony Nguyen if (status) { 59130fee3577SLihong Yang dev_err(dev, "replay VSI failed, status %s, VSI index %d, type %s\n", 59140fee3577SLihong Yang ice_stat_str(status), vsi->idx, 59150fee3577SLihong Yang ice_vsi_type_str(type)); 5916334cb062SAnirudh Venkataramanan return -EIO; 5917334cb062SAnirudh Venkataramanan } 5918334cb062SAnirudh Venkataramanan 5919334cb062SAnirudh Venkataramanan /* Re-map HW VSI number, using VSI handle that has been 5920334cb062SAnirudh Venkataramanan * previously validated in ice_replay_vsi() call above 5921334cb062SAnirudh Venkataramanan */ 5922462acf6aSTony Nguyen vsi->vsi_num = ice_get_hw_vsi_num(&pf->hw, vsi->idx); 5923334cb062SAnirudh Venkataramanan 5924462acf6aSTony Nguyen /* enable the VSI */ 5925462acf6aSTony Nguyen err = ice_ena_vsi(vsi, false); 5926462acf6aSTony Nguyen if (err) { 592719cce2c6SAnirudh Venkataramanan dev_err(dev, "enable VSI failed, err %d, VSI index %d, type %s\n", 5928964674f1SAnirudh Venkataramanan err, vsi->idx, ice_vsi_type_str(type)); 5929462acf6aSTony Nguyen return err; 5930334cb062SAnirudh Venkataramanan } 5931334cb062SAnirudh Venkataramanan 59324015d11eSBrett Creeley dev_info(dev, "VSI rebuilt. VSI index %d, type %s\n", vsi->idx, 59334015d11eSBrett Creeley ice_vsi_type_str(type)); 5934462acf6aSTony Nguyen } 5935462acf6aSTony Nguyen 5936334cb062SAnirudh Venkataramanan return 0; 5937334cb062SAnirudh Venkataramanan } 5938334cb062SAnirudh Venkataramanan 5939334cb062SAnirudh Venkataramanan /** 5940462acf6aSTony Nguyen * ice_update_pf_netdev_link - Update PF netdev link status 5941462acf6aSTony Nguyen * @pf: pointer to the PF instance 5942462acf6aSTony Nguyen */ 5943462acf6aSTony Nguyen static void ice_update_pf_netdev_link(struct ice_pf *pf) 5944462acf6aSTony Nguyen { 5945462acf6aSTony Nguyen bool link_up; 5946462acf6aSTony Nguyen int i; 5947462acf6aSTony Nguyen 5948462acf6aSTony Nguyen ice_for_each_vsi(pf, i) { 5949462acf6aSTony Nguyen struct ice_vsi *vsi = pf->vsi[i]; 5950462acf6aSTony Nguyen 5951462acf6aSTony Nguyen if (!vsi || vsi->type != ICE_VSI_PF) 5952462acf6aSTony Nguyen return; 5953462acf6aSTony Nguyen 5954462acf6aSTony Nguyen ice_get_link_status(pf->vsi[i]->port_info, &link_up); 5955462acf6aSTony Nguyen if (link_up) { 5956462acf6aSTony Nguyen netif_carrier_on(pf->vsi[i]->netdev); 5957462acf6aSTony Nguyen netif_tx_wake_all_queues(pf->vsi[i]->netdev); 5958462acf6aSTony Nguyen } else { 5959462acf6aSTony Nguyen netif_carrier_off(pf->vsi[i]->netdev); 5960462acf6aSTony Nguyen netif_tx_stop_all_queues(pf->vsi[i]->netdev); 5961462acf6aSTony Nguyen } 5962462acf6aSTony Nguyen } 5963462acf6aSTony Nguyen } 5964462acf6aSTony Nguyen 5965462acf6aSTony Nguyen /** 59660b28b702SAnirudh Venkataramanan * ice_rebuild - rebuild after reset 59672f2da36eSAnirudh Venkataramanan * @pf: PF to rebuild 5968462acf6aSTony Nguyen * @reset_type: type of reset 596912bb018cSBrett Creeley * 597012bb018cSBrett Creeley * Do not rebuild VF VSI in this flow because that is already handled via 597112bb018cSBrett Creeley * ice_reset_all_vfs(). This is because requirements for resetting a VF after a 597212bb018cSBrett Creeley * PFR/CORER/GLOBER/etc. are different than the normal flow. Also, we don't want 597312bb018cSBrett Creeley * to reset/rebuild all the VF VSI twice. 59740b28b702SAnirudh Venkataramanan */ 5975462acf6aSTony Nguyen static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type) 59760b28b702SAnirudh Venkataramanan { 59774015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 59780b28b702SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 59790b28b702SAnirudh Venkataramanan enum ice_status ret; 5980462acf6aSTony Nguyen int err; 59810b28b702SAnirudh Venkataramanan 59820b28b702SAnirudh Venkataramanan if (test_bit(__ICE_DOWN, pf->state)) 59830b28b702SAnirudh Venkataramanan goto clear_recovery; 59840b28b702SAnirudh Venkataramanan 5985462acf6aSTony Nguyen dev_dbg(dev, "rebuilding PF after reset_type=%d\n", reset_type); 59860b28b702SAnirudh Venkataramanan 59870b28b702SAnirudh Venkataramanan ret = ice_init_all_ctrlq(hw); 59880b28b702SAnirudh Venkataramanan if (ret) { 59890fee3577SLihong Yang dev_err(dev, "control queues init failed %s\n", 59900fee3577SLihong Yang ice_stat_str(ret)); 59910f9d5027SAnirudh Venkataramanan goto err_init_ctrlq; 59920b28b702SAnirudh Venkataramanan } 59930b28b702SAnirudh Venkataramanan 5994462acf6aSTony Nguyen /* if DDP was previously loaded successfully */ 5995462acf6aSTony Nguyen if (!ice_is_safe_mode(pf)) { 5996462acf6aSTony Nguyen /* reload the SW DB of filter tables */ 5997462acf6aSTony Nguyen if (reset_type == ICE_RESET_PFR) 5998462acf6aSTony Nguyen ice_fill_blk_tbls(hw); 5999462acf6aSTony Nguyen else 6000462acf6aSTony Nguyen /* Reload DDP Package after CORER/GLOBR reset */ 6001462acf6aSTony Nguyen ice_load_pkg(NULL, pf); 6002462acf6aSTony Nguyen } 6003462acf6aSTony Nguyen 60040b28b702SAnirudh Venkataramanan ret = ice_clear_pf_cfg(hw); 60050b28b702SAnirudh Venkataramanan if (ret) { 60060fee3577SLihong Yang dev_err(dev, "clear PF configuration failed %s\n", 60070fee3577SLihong Yang ice_stat_str(ret)); 60080f9d5027SAnirudh Venkataramanan goto err_init_ctrlq; 60090b28b702SAnirudh Venkataramanan } 60100b28b702SAnirudh Venkataramanan 6011fc0f39bcSBrett Creeley if (pf->first_sw->dflt_vsi_ena) 601219cce2c6SAnirudh Venkataramanan dev_info(dev, "Clearing default VSI, re-enable after reset completes\n"); 6013fc0f39bcSBrett Creeley /* clear the default VSI configuration if it exists */ 6014fc0f39bcSBrett Creeley pf->first_sw->dflt_vsi = NULL; 6015fc0f39bcSBrett Creeley pf->first_sw->dflt_vsi_ena = false; 6016fc0f39bcSBrett Creeley 60170b28b702SAnirudh Venkataramanan ice_clear_pxe_mode(hw); 60180b28b702SAnirudh Venkataramanan 60190b28b702SAnirudh Venkataramanan ret = ice_get_caps(hw); 60200b28b702SAnirudh Venkataramanan if (ret) { 60210fee3577SLihong Yang dev_err(dev, "ice_get_caps failed %s\n", ice_stat_str(ret)); 60220f9d5027SAnirudh Venkataramanan goto err_init_ctrlq; 60230b28b702SAnirudh Venkataramanan } 60240b28b702SAnirudh Venkataramanan 602542449105SAnirudh Venkataramanan ret = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL); 602642449105SAnirudh Venkataramanan if (ret) { 602742449105SAnirudh Venkataramanan dev_err(dev, "set_mac_cfg failed %s\n", ice_stat_str(ret)); 602842449105SAnirudh Venkataramanan goto err_init_ctrlq; 602942449105SAnirudh Venkataramanan } 603042449105SAnirudh Venkataramanan 60310f9d5027SAnirudh Venkataramanan err = ice_sched_init_port(hw->port_info); 60320f9d5027SAnirudh Venkataramanan if (err) 60330f9d5027SAnirudh Venkataramanan goto err_sched_init_port; 60340f9d5027SAnirudh Venkataramanan 60350b28b702SAnirudh Venkataramanan /* start misc vector */ 60360b28b702SAnirudh Venkataramanan err = ice_req_irq_msix_misc(pf); 60370b28b702SAnirudh Venkataramanan if (err) { 60380b28b702SAnirudh Venkataramanan dev_err(dev, "misc vector setup failed: %d\n", err); 6039462acf6aSTony Nguyen goto err_sched_init_port; 60400b28b702SAnirudh Venkataramanan } 60410b28b702SAnirudh Venkataramanan 604283af0039SHenry Tieman if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) { 604383af0039SHenry Tieman wr32(hw, PFQF_FD_ENA, PFQF_FD_ENA_FD_ENA_M); 604483af0039SHenry Tieman if (!rd32(hw, PFQF_FD_SIZE)) { 604583af0039SHenry Tieman u16 unused, guar, b_effort; 604683af0039SHenry Tieman 604783af0039SHenry Tieman guar = hw->func_caps.fd_fltr_guar; 604883af0039SHenry Tieman b_effort = hw->func_caps.fd_fltr_best_effort; 604983af0039SHenry Tieman 605083af0039SHenry Tieman /* force guaranteed filter pool for PF */ 605183af0039SHenry Tieman ice_alloc_fd_guar_item(hw, &unused, guar); 605283af0039SHenry Tieman /* force shared filter pool for PF */ 605383af0039SHenry Tieman ice_alloc_fd_shrd_item(hw, &unused, b_effort); 605483af0039SHenry Tieman } 605583af0039SHenry Tieman } 605683af0039SHenry Tieman 6057462acf6aSTony Nguyen if (test_bit(ICE_FLAG_DCB_ENA, pf->flags)) 6058462acf6aSTony Nguyen ice_dcb_rebuild(pf); 6059462acf6aSTony Nguyen 6060462acf6aSTony Nguyen /* rebuild PF VSI */ 6061462acf6aSTony Nguyen err = ice_vsi_rebuild_by_type(pf, ICE_VSI_PF); 60620f9d5027SAnirudh Venkataramanan if (err) { 6063462acf6aSTony Nguyen dev_err(dev, "PF VSI rebuild failed: %d\n", err); 60640f9d5027SAnirudh Venkataramanan goto err_vsi_rebuild; 60650f9d5027SAnirudh Venkataramanan } 60660b28b702SAnirudh Venkataramanan 606783af0039SHenry Tieman /* If Flow Director is active */ 606883af0039SHenry Tieman if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) { 606983af0039SHenry Tieman err = ice_vsi_rebuild_by_type(pf, ICE_VSI_CTRL); 607083af0039SHenry Tieman if (err) { 607183af0039SHenry Tieman dev_err(dev, "control VSI rebuild failed: %d\n", err); 607283af0039SHenry Tieman goto err_vsi_rebuild; 607383af0039SHenry Tieman } 607483af0039SHenry Tieman 607583af0039SHenry Tieman /* replay HW Flow Director recipes */ 607683af0039SHenry Tieman if (hw->fdir_prof) 607783af0039SHenry Tieman ice_fdir_replay_flows(hw); 607883af0039SHenry Tieman 607983af0039SHenry Tieman /* replay Flow Director filters */ 608083af0039SHenry Tieman ice_fdir_replay_fltrs(pf); 608128bf2672SBrett Creeley 608228bf2672SBrett Creeley ice_rebuild_arfs(pf); 608383af0039SHenry Tieman } 608483af0039SHenry Tieman 6085462acf6aSTony Nguyen ice_update_pf_netdev_link(pf); 6086462acf6aSTony Nguyen 6087462acf6aSTony Nguyen /* tell the firmware we are up */ 6088462acf6aSTony Nguyen ret = ice_send_version(pf); 6089462acf6aSTony Nguyen if (ret) { 60900fee3577SLihong Yang dev_err(dev, "Rebuild failed due to error sending driver version: %s\n", 60910fee3577SLihong Yang ice_stat_str(ret)); 6092462acf6aSTony Nguyen goto err_vsi_rebuild; 6093ce317dd9SAnirudh Venkataramanan } 6094462acf6aSTony Nguyen 6095462acf6aSTony Nguyen ice_replay_post(hw); 6096ce317dd9SAnirudh Venkataramanan 60970f9d5027SAnirudh Venkataramanan /* if we get here, reset flow is successful */ 60980f9d5027SAnirudh Venkataramanan clear_bit(__ICE_RESET_FAILED, pf->state); 60990b28b702SAnirudh Venkataramanan return; 61000b28b702SAnirudh Venkataramanan 61010f9d5027SAnirudh Venkataramanan err_vsi_rebuild: 61020f9d5027SAnirudh Venkataramanan err_sched_init_port: 61030f9d5027SAnirudh Venkataramanan ice_sched_cleanup_all(hw); 61040f9d5027SAnirudh Venkataramanan err_init_ctrlq: 61050b28b702SAnirudh Venkataramanan ice_shutdown_all_ctrlq(hw); 61060b28b702SAnirudh Venkataramanan set_bit(__ICE_RESET_FAILED, pf->state); 61070b28b702SAnirudh Venkataramanan clear_recovery: 61080f9d5027SAnirudh Venkataramanan /* set this bit in PF state to control service task scheduling */ 61090f9d5027SAnirudh Venkataramanan set_bit(__ICE_NEEDS_RESTART, pf->state); 61100f9d5027SAnirudh Venkataramanan dev_err(dev, "Rebuild failed, unload and reload driver\n"); 61110b28b702SAnirudh Venkataramanan } 61120b28b702SAnirudh Venkataramanan 61130b28b702SAnirudh Venkataramanan /** 611423b44513SMaciej Fijalkowski * ice_max_xdp_frame_size - returns the maximum allowed frame size for XDP 611523b44513SMaciej Fijalkowski * @vsi: Pointer to VSI structure 611623b44513SMaciej Fijalkowski */ 611723b44513SMaciej Fijalkowski static int ice_max_xdp_frame_size(struct ice_vsi *vsi) 611823b44513SMaciej Fijalkowski { 611923b44513SMaciej Fijalkowski if (PAGE_SIZE >= 8192 || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags)) 612023b44513SMaciej Fijalkowski return ICE_RXBUF_2048 - XDP_PACKET_HEADROOM; 612123b44513SMaciej Fijalkowski else 612223b44513SMaciej Fijalkowski return ICE_RXBUF_3072; 612323b44513SMaciej Fijalkowski } 612423b44513SMaciej Fijalkowski 612523b44513SMaciej Fijalkowski /** 6126e94d4478SAnirudh Venkataramanan * ice_change_mtu - NDO callback to change the MTU 6127e94d4478SAnirudh Venkataramanan * @netdev: network interface device structure 6128e94d4478SAnirudh Venkataramanan * @new_mtu: new value for maximum frame size 6129e94d4478SAnirudh Venkataramanan * 6130e94d4478SAnirudh Venkataramanan * Returns 0 on success, negative on failure 6131e94d4478SAnirudh Venkataramanan */ 6132e94d4478SAnirudh Venkataramanan static int ice_change_mtu(struct net_device *netdev, int new_mtu) 6133e94d4478SAnirudh Venkataramanan { 6134e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 6135e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 6136e94d4478SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 6137e94d4478SAnirudh Venkataramanan u8 count = 0; 6138e94d4478SAnirudh Venkataramanan 613922bef5e7SJesse Brandeburg if (new_mtu == (int)netdev->mtu) { 61402f2da36eSAnirudh Venkataramanan netdev_warn(netdev, "MTU is already %u\n", netdev->mtu); 6141e94d4478SAnirudh Venkataramanan return 0; 6142e94d4478SAnirudh Venkataramanan } 6143e94d4478SAnirudh Venkataramanan 6144efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) { 614523b44513SMaciej Fijalkowski int frame_size = ice_max_xdp_frame_size(vsi); 6146efc2214bSMaciej Fijalkowski 6147efc2214bSMaciej Fijalkowski if (new_mtu + ICE_ETH_PKT_HDR_PAD > frame_size) { 6148efc2214bSMaciej Fijalkowski netdev_err(netdev, "max MTU for XDP usage is %d\n", 614923b44513SMaciej Fijalkowski frame_size - ICE_ETH_PKT_HDR_PAD); 6150efc2214bSMaciej Fijalkowski return -EINVAL; 6151efc2214bSMaciej Fijalkowski } 6152efc2214bSMaciej Fijalkowski } 6153efc2214bSMaciej Fijalkowski 6154e94d4478SAnirudh Venkataramanan /* if a reset is in progress, wait for some time for it to complete */ 6155e94d4478SAnirudh Venkataramanan do { 61565df7e45dSDave Ertman if (ice_is_reset_in_progress(pf->state)) { 6157e94d4478SAnirudh Venkataramanan count++; 6158e94d4478SAnirudh Venkataramanan usleep_range(1000, 2000); 6159e94d4478SAnirudh Venkataramanan } else { 6160e94d4478SAnirudh Venkataramanan break; 6161e94d4478SAnirudh Venkataramanan } 6162e94d4478SAnirudh Venkataramanan 6163e94d4478SAnirudh Venkataramanan } while (count < 100); 6164e94d4478SAnirudh Venkataramanan 6165e94d4478SAnirudh Venkataramanan if (count == 100) { 61662f2da36eSAnirudh Venkataramanan netdev_err(netdev, "can't change MTU. Device is busy\n"); 6167e94d4478SAnirudh Venkataramanan return -EBUSY; 6168e94d4478SAnirudh Venkataramanan } 6169e94d4478SAnirudh Venkataramanan 617022bef5e7SJesse Brandeburg netdev->mtu = (unsigned int)new_mtu; 6171e94d4478SAnirudh Venkataramanan 6172e94d4478SAnirudh Venkataramanan /* if VSI is up, bring it down and then back up */ 6173e94d4478SAnirudh Venkataramanan if (!test_and_set_bit(__ICE_DOWN, vsi->state)) { 6174e94d4478SAnirudh Venkataramanan int err; 6175e94d4478SAnirudh Venkataramanan 6176e94d4478SAnirudh Venkataramanan err = ice_down(vsi); 6177e94d4478SAnirudh Venkataramanan if (err) { 6178fe6cd890SMitch Williams netdev_err(netdev, "change MTU if_down err %d\n", err); 6179e94d4478SAnirudh Venkataramanan return err; 6180e94d4478SAnirudh Venkataramanan } 6181e94d4478SAnirudh Venkataramanan 6182e94d4478SAnirudh Venkataramanan err = ice_up(vsi); 6183e94d4478SAnirudh Venkataramanan if (err) { 61842f2da36eSAnirudh Venkataramanan netdev_err(netdev, "change MTU if_up err %d\n", err); 6185e94d4478SAnirudh Venkataramanan return err; 6186e94d4478SAnirudh Venkataramanan } 6187e94d4478SAnirudh Venkataramanan } 6188e94d4478SAnirudh Venkataramanan 6189bda5b7dbSTony Nguyen netdev_dbg(netdev, "changed MTU to %d\n", new_mtu); 6190e94d4478SAnirudh Venkataramanan return 0; 6191e94d4478SAnirudh Venkataramanan } 6192e94d4478SAnirudh Venkataramanan 6193e94d4478SAnirudh Venkataramanan /** 61940fee3577SLihong Yang * ice_aq_str - convert AQ err code to a string 61950fee3577SLihong Yang * @aq_err: the AQ error code to convert 61960fee3577SLihong Yang */ 61970fee3577SLihong Yang const char *ice_aq_str(enum ice_aq_err aq_err) 61980fee3577SLihong Yang { 61990fee3577SLihong Yang switch (aq_err) { 62000fee3577SLihong Yang case ICE_AQ_RC_OK: 62010fee3577SLihong Yang return "OK"; 62020fee3577SLihong Yang case ICE_AQ_RC_EPERM: 62030fee3577SLihong Yang return "ICE_AQ_RC_EPERM"; 62040fee3577SLihong Yang case ICE_AQ_RC_ENOENT: 62050fee3577SLihong Yang return "ICE_AQ_RC_ENOENT"; 62060fee3577SLihong Yang case ICE_AQ_RC_ENOMEM: 62070fee3577SLihong Yang return "ICE_AQ_RC_ENOMEM"; 62080fee3577SLihong Yang case ICE_AQ_RC_EBUSY: 62090fee3577SLihong Yang return "ICE_AQ_RC_EBUSY"; 62100fee3577SLihong Yang case ICE_AQ_RC_EEXIST: 62110fee3577SLihong Yang return "ICE_AQ_RC_EEXIST"; 62120fee3577SLihong Yang case ICE_AQ_RC_EINVAL: 62130fee3577SLihong Yang return "ICE_AQ_RC_EINVAL"; 62140fee3577SLihong Yang case ICE_AQ_RC_ENOSPC: 62150fee3577SLihong Yang return "ICE_AQ_RC_ENOSPC"; 62160fee3577SLihong Yang case ICE_AQ_RC_ENOSYS: 62170fee3577SLihong Yang return "ICE_AQ_RC_ENOSYS"; 6218b5e19a64SChinh T Cao case ICE_AQ_RC_EMODE: 6219b5e19a64SChinh T Cao return "ICE_AQ_RC_EMODE"; 62200fee3577SLihong Yang case ICE_AQ_RC_ENOSEC: 62210fee3577SLihong Yang return "ICE_AQ_RC_ENOSEC"; 62220fee3577SLihong Yang case ICE_AQ_RC_EBADSIG: 62230fee3577SLihong Yang return "ICE_AQ_RC_EBADSIG"; 62240fee3577SLihong Yang case ICE_AQ_RC_ESVN: 62250fee3577SLihong Yang return "ICE_AQ_RC_ESVN"; 62260fee3577SLihong Yang case ICE_AQ_RC_EBADMAN: 62270fee3577SLihong Yang return "ICE_AQ_RC_EBADMAN"; 62280fee3577SLihong Yang case ICE_AQ_RC_EBADBUF: 62290fee3577SLihong Yang return "ICE_AQ_RC_EBADBUF"; 62300fee3577SLihong Yang } 62310fee3577SLihong Yang 62320fee3577SLihong Yang return "ICE_AQ_RC_UNKNOWN"; 62330fee3577SLihong Yang } 62340fee3577SLihong Yang 62350fee3577SLihong Yang /** 62360fee3577SLihong Yang * ice_stat_str - convert status err code to a string 62370fee3577SLihong Yang * @stat_err: the status error code to convert 62380fee3577SLihong Yang */ 62390fee3577SLihong Yang const char *ice_stat_str(enum ice_status stat_err) 62400fee3577SLihong Yang { 62410fee3577SLihong Yang switch (stat_err) { 62420fee3577SLihong Yang case ICE_SUCCESS: 62430fee3577SLihong Yang return "OK"; 62440fee3577SLihong Yang case ICE_ERR_PARAM: 62450fee3577SLihong Yang return "ICE_ERR_PARAM"; 62460fee3577SLihong Yang case ICE_ERR_NOT_IMPL: 62470fee3577SLihong Yang return "ICE_ERR_NOT_IMPL"; 62480fee3577SLihong Yang case ICE_ERR_NOT_READY: 62490fee3577SLihong Yang return "ICE_ERR_NOT_READY"; 62500fee3577SLihong Yang case ICE_ERR_NOT_SUPPORTED: 62510fee3577SLihong Yang return "ICE_ERR_NOT_SUPPORTED"; 62520fee3577SLihong Yang case ICE_ERR_BAD_PTR: 62530fee3577SLihong Yang return "ICE_ERR_BAD_PTR"; 62540fee3577SLihong Yang case ICE_ERR_INVAL_SIZE: 62550fee3577SLihong Yang return "ICE_ERR_INVAL_SIZE"; 62560fee3577SLihong Yang case ICE_ERR_DEVICE_NOT_SUPPORTED: 62570fee3577SLihong Yang return "ICE_ERR_DEVICE_NOT_SUPPORTED"; 62580fee3577SLihong Yang case ICE_ERR_RESET_FAILED: 62590fee3577SLihong Yang return "ICE_ERR_RESET_FAILED"; 62600fee3577SLihong Yang case ICE_ERR_FW_API_VER: 62610fee3577SLihong Yang return "ICE_ERR_FW_API_VER"; 62620fee3577SLihong Yang case ICE_ERR_NO_MEMORY: 62630fee3577SLihong Yang return "ICE_ERR_NO_MEMORY"; 62640fee3577SLihong Yang case ICE_ERR_CFG: 62650fee3577SLihong Yang return "ICE_ERR_CFG"; 62660fee3577SLihong Yang case ICE_ERR_OUT_OF_RANGE: 62670fee3577SLihong Yang return "ICE_ERR_OUT_OF_RANGE"; 62680fee3577SLihong Yang case ICE_ERR_ALREADY_EXISTS: 62690fee3577SLihong Yang return "ICE_ERR_ALREADY_EXISTS"; 6270e120a9abSJacob Keller case ICE_ERR_NVM: 6271e120a9abSJacob Keller return "ICE_ERR_NVM"; 62720fee3577SLihong Yang case ICE_ERR_NVM_CHECKSUM: 62730fee3577SLihong Yang return "ICE_ERR_NVM_CHECKSUM"; 62740fee3577SLihong Yang case ICE_ERR_BUF_TOO_SHORT: 62750fee3577SLihong Yang return "ICE_ERR_BUF_TOO_SHORT"; 62760fee3577SLihong Yang case ICE_ERR_NVM_BLANK_MODE: 62770fee3577SLihong Yang return "ICE_ERR_NVM_BLANK_MODE"; 62780fee3577SLihong Yang case ICE_ERR_IN_USE: 62790fee3577SLihong Yang return "ICE_ERR_IN_USE"; 62800fee3577SLihong Yang case ICE_ERR_MAX_LIMIT: 62810fee3577SLihong Yang return "ICE_ERR_MAX_LIMIT"; 62820fee3577SLihong Yang case ICE_ERR_RESET_ONGOING: 62830fee3577SLihong Yang return "ICE_ERR_RESET_ONGOING"; 62840fee3577SLihong Yang case ICE_ERR_HW_TABLE: 62850fee3577SLihong Yang return "ICE_ERR_HW_TABLE"; 62860fee3577SLihong Yang case ICE_ERR_DOES_NOT_EXIST: 62870fee3577SLihong Yang return "ICE_ERR_DOES_NOT_EXIST"; 6288b8272919SVictor Raj case ICE_ERR_FW_DDP_MISMATCH: 6289b8272919SVictor Raj return "ICE_ERR_FW_DDP_MISMATCH"; 62900fee3577SLihong Yang case ICE_ERR_AQ_ERROR: 62910fee3577SLihong Yang return "ICE_ERR_AQ_ERROR"; 62920fee3577SLihong Yang case ICE_ERR_AQ_TIMEOUT: 62930fee3577SLihong Yang return "ICE_ERR_AQ_TIMEOUT"; 62940fee3577SLihong Yang case ICE_ERR_AQ_FULL: 62950fee3577SLihong Yang return "ICE_ERR_AQ_FULL"; 62960fee3577SLihong Yang case ICE_ERR_AQ_NO_WORK: 62970fee3577SLihong Yang return "ICE_ERR_AQ_NO_WORK"; 62980fee3577SLihong Yang case ICE_ERR_AQ_EMPTY: 62990fee3577SLihong Yang return "ICE_ERR_AQ_EMPTY"; 6300b5c7f857SEvan Swanson case ICE_ERR_AQ_FW_CRITICAL: 6301b5c7f857SEvan Swanson return "ICE_ERR_AQ_FW_CRITICAL"; 63020fee3577SLihong Yang } 63030fee3577SLihong Yang 63040fee3577SLihong Yang return "ICE_ERR_UNKNOWN"; 63050fee3577SLihong Yang } 63060fee3577SLihong Yang 63070fee3577SLihong Yang /** 6308d76a60baSAnirudh Venkataramanan * ice_set_rss - Set RSS keys and lut 6309d76a60baSAnirudh Venkataramanan * @vsi: Pointer to VSI structure 6310d76a60baSAnirudh Venkataramanan * @seed: RSS hash seed 6311d76a60baSAnirudh Venkataramanan * @lut: Lookup table 6312d76a60baSAnirudh Venkataramanan * @lut_size: Lookup table size 6313d76a60baSAnirudh Venkataramanan * 6314d76a60baSAnirudh Venkataramanan * Returns 0 on success, negative on failure 6315d76a60baSAnirudh Venkataramanan */ 6316d76a60baSAnirudh Venkataramanan int ice_set_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size) 6317d76a60baSAnirudh Venkataramanan { 6318d76a60baSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 6319d76a60baSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 6320d76a60baSAnirudh Venkataramanan enum ice_status status; 63214015d11eSBrett Creeley struct device *dev; 6322d76a60baSAnirudh Venkataramanan 63234015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 6324d76a60baSAnirudh Venkataramanan if (seed) { 6325d76a60baSAnirudh Venkataramanan struct ice_aqc_get_set_rss_keys *buf = 6326d76a60baSAnirudh Venkataramanan (struct ice_aqc_get_set_rss_keys *)seed; 6327d76a60baSAnirudh Venkataramanan 63284fb33f31SAnirudh Venkataramanan status = ice_aq_set_rss_key(hw, vsi->idx, buf); 6329d76a60baSAnirudh Venkataramanan 6330d76a60baSAnirudh Venkataramanan if (status) { 63310fee3577SLihong Yang dev_err(dev, "Cannot set RSS key, err %s aq_err %s\n", 63320fee3577SLihong Yang ice_stat_str(status), 63339d68a79cSJesse Brandeburg ice_aq_str(hw->adminq.sq_last_status)); 6334d76a60baSAnirudh Venkataramanan return -EIO; 6335d76a60baSAnirudh Venkataramanan } 6336d76a60baSAnirudh Venkataramanan } 6337d76a60baSAnirudh Venkataramanan 6338d76a60baSAnirudh Venkataramanan if (lut) { 63394fb33f31SAnirudh Venkataramanan status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type, 63404fb33f31SAnirudh Venkataramanan lut, lut_size); 6341d76a60baSAnirudh Venkataramanan if (status) { 63420fee3577SLihong Yang dev_err(dev, "Cannot set RSS lut, err %s aq_err %s\n", 63430fee3577SLihong Yang ice_stat_str(status), 63449d68a79cSJesse Brandeburg ice_aq_str(hw->adminq.sq_last_status)); 6345d76a60baSAnirudh Venkataramanan return -EIO; 6346d76a60baSAnirudh Venkataramanan } 6347d76a60baSAnirudh Venkataramanan } 6348d76a60baSAnirudh Venkataramanan 6349d76a60baSAnirudh Venkataramanan return 0; 6350d76a60baSAnirudh Venkataramanan } 6351d76a60baSAnirudh Venkataramanan 6352d76a60baSAnirudh Venkataramanan /** 6353d76a60baSAnirudh Venkataramanan * ice_get_rss - Get RSS keys and lut 6354d76a60baSAnirudh Venkataramanan * @vsi: Pointer to VSI structure 6355d76a60baSAnirudh Venkataramanan * @seed: Buffer to store the keys 6356d76a60baSAnirudh Venkataramanan * @lut: Buffer to store the lookup table entries 6357d76a60baSAnirudh Venkataramanan * @lut_size: Size of buffer to store the lookup table entries 6358d76a60baSAnirudh Venkataramanan * 6359d76a60baSAnirudh Venkataramanan * Returns 0 on success, negative on failure 6360d76a60baSAnirudh Venkataramanan */ 6361d76a60baSAnirudh Venkataramanan int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size) 6362d76a60baSAnirudh Venkataramanan { 6363d76a60baSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 6364d76a60baSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 6365d76a60baSAnirudh Venkataramanan enum ice_status status; 63664015d11eSBrett Creeley struct device *dev; 6367d76a60baSAnirudh Venkataramanan 63684015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 6369d76a60baSAnirudh Venkataramanan if (seed) { 6370d76a60baSAnirudh Venkataramanan struct ice_aqc_get_set_rss_keys *buf = 6371d76a60baSAnirudh Venkataramanan (struct ice_aqc_get_set_rss_keys *)seed; 6372d76a60baSAnirudh Venkataramanan 63734fb33f31SAnirudh Venkataramanan status = ice_aq_get_rss_key(hw, vsi->idx, buf); 6374d76a60baSAnirudh Venkataramanan if (status) { 63750fee3577SLihong Yang dev_err(dev, "Cannot get RSS key, err %s aq_err %s\n", 63760fee3577SLihong Yang ice_stat_str(status), 63779d68a79cSJesse Brandeburg ice_aq_str(hw->adminq.sq_last_status)); 6378d76a60baSAnirudh Venkataramanan return -EIO; 6379d76a60baSAnirudh Venkataramanan } 6380d76a60baSAnirudh Venkataramanan } 6381d76a60baSAnirudh Venkataramanan 6382d76a60baSAnirudh Venkataramanan if (lut) { 63834fb33f31SAnirudh Venkataramanan status = ice_aq_get_rss_lut(hw, vsi->idx, vsi->rss_lut_type, 63844fb33f31SAnirudh Venkataramanan lut, lut_size); 6385d76a60baSAnirudh Venkataramanan if (status) { 63860fee3577SLihong Yang dev_err(dev, "Cannot get RSS lut, err %s aq_err %s\n", 63870fee3577SLihong Yang ice_stat_str(status), 63889d68a79cSJesse Brandeburg ice_aq_str(hw->adminq.sq_last_status)); 6389d76a60baSAnirudh Venkataramanan return -EIO; 6390d76a60baSAnirudh Venkataramanan } 6391d76a60baSAnirudh Venkataramanan } 6392d76a60baSAnirudh Venkataramanan 6393d76a60baSAnirudh Venkataramanan return 0; 6394d76a60baSAnirudh Venkataramanan } 6395d76a60baSAnirudh Venkataramanan 6396d76a60baSAnirudh Venkataramanan /** 6397b1edc14aSMd Fahad Iqbal Polash * ice_bridge_getlink - Get the hardware bridge mode 6398b1edc14aSMd Fahad Iqbal Polash * @skb: skb buff 6399f9867df6SAnirudh Venkataramanan * @pid: process ID 6400b1edc14aSMd Fahad Iqbal Polash * @seq: RTNL message seq 6401b1edc14aSMd Fahad Iqbal Polash * @dev: the netdev being configured 6402b1edc14aSMd Fahad Iqbal Polash * @filter_mask: filter mask passed in 6403b1edc14aSMd Fahad Iqbal Polash * @nlflags: netlink flags passed in 6404b1edc14aSMd Fahad Iqbal Polash * 6405b1edc14aSMd Fahad Iqbal Polash * Return the bridge mode (VEB/VEPA) 6406b1edc14aSMd Fahad Iqbal Polash */ 6407b1edc14aSMd Fahad Iqbal Polash static int 6408b1edc14aSMd Fahad Iqbal Polash ice_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, 6409b1edc14aSMd Fahad Iqbal Polash struct net_device *dev, u32 filter_mask, int nlflags) 6410b1edc14aSMd Fahad Iqbal Polash { 6411b1edc14aSMd Fahad Iqbal Polash struct ice_netdev_priv *np = netdev_priv(dev); 6412b1edc14aSMd Fahad Iqbal Polash struct ice_vsi *vsi = np->vsi; 6413b1edc14aSMd Fahad Iqbal Polash struct ice_pf *pf = vsi->back; 6414b1edc14aSMd Fahad Iqbal Polash u16 bmode; 6415b1edc14aSMd Fahad Iqbal Polash 6416b1edc14aSMd Fahad Iqbal Polash bmode = pf->first_sw->bridge_mode; 6417b1edc14aSMd Fahad Iqbal Polash 6418b1edc14aSMd Fahad Iqbal Polash return ndo_dflt_bridge_getlink(skb, pid, seq, dev, bmode, 0, 0, nlflags, 6419b1edc14aSMd Fahad Iqbal Polash filter_mask, NULL); 6420b1edc14aSMd Fahad Iqbal Polash } 6421b1edc14aSMd Fahad Iqbal Polash 6422b1edc14aSMd Fahad Iqbal Polash /** 6423b1edc14aSMd Fahad Iqbal Polash * ice_vsi_update_bridge_mode - Update VSI for switching bridge mode (VEB/VEPA) 6424b1edc14aSMd Fahad Iqbal Polash * @vsi: Pointer to VSI structure 6425b1edc14aSMd Fahad Iqbal Polash * @bmode: Hardware bridge mode (VEB/VEPA) 6426b1edc14aSMd Fahad Iqbal Polash * 6427b1edc14aSMd Fahad Iqbal Polash * Returns 0 on success, negative on failure 6428b1edc14aSMd Fahad Iqbal Polash */ 6429b1edc14aSMd Fahad Iqbal Polash static int ice_vsi_update_bridge_mode(struct ice_vsi *vsi, u16 bmode) 6430b1edc14aSMd Fahad Iqbal Polash { 6431b1edc14aSMd Fahad Iqbal Polash struct ice_aqc_vsi_props *vsi_props; 6432b1edc14aSMd Fahad Iqbal Polash struct ice_hw *hw = &vsi->back->hw; 6433198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 6434b1edc14aSMd Fahad Iqbal Polash enum ice_status status; 6435198a666aSBruce Allan int ret = 0; 6436b1edc14aSMd Fahad Iqbal Polash 6437b1edc14aSMd Fahad Iqbal Polash vsi_props = &vsi->info; 6438198a666aSBruce Allan 64399efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 6440198a666aSBruce Allan if (!ctxt) 6441198a666aSBruce Allan return -ENOMEM; 6442198a666aSBruce Allan 6443198a666aSBruce Allan ctxt->info = vsi->info; 6444b1edc14aSMd Fahad Iqbal Polash 6445b1edc14aSMd Fahad Iqbal Polash if (bmode == BRIDGE_MODE_VEB) 6446b1edc14aSMd Fahad Iqbal Polash /* change from VEPA to VEB mode */ 6447198a666aSBruce Allan ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB; 6448b1edc14aSMd Fahad Iqbal Polash else 6449b1edc14aSMd Fahad Iqbal Polash /* change from VEB to VEPA mode */ 6450198a666aSBruce Allan ctxt->info.sw_flags &= ~ICE_AQ_VSI_SW_FLAG_ALLOW_LB; 6451198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SW_VALID); 64525726ca0eSAnirudh Venkataramanan 6453198a666aSBruce Allan status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 6454b1edc14aSMd Fahad Iqbal Polash if (status) { 64550fee3577SLihong Yang dev_err(ice_pf_to_dev(vsi->back), "update VSI for bridge mode failed, bmode = %d err %s aq_err %s\n", 64560fee3577SLihong Yang bmode, ice_stat_str(status), 64570fee3577SLihong Yang ice_aq_str(hw->adminq.sq_last_status)); 6458198a666aSBruce Allan ret = -EIO; 6459198a666aSBruce Allan goto out; 6460b1edc14aSMd Fahad Iqbal Polash } 6461b1edc14aSMd Fahad Iqbal Polash /* Update sw flags for book keeping */ 6462198a666aSBruce Allan vsi_props->sw_flags = ctxt->info.sw_flags; 6463b1edc14aSMd Fahad Iqbal Polash 6464198a666aSBruce Allan out: 64659efe35d0STony Nguyen kfree(ctxt); 6466198a666aSBruce Allan return ret; 6467b1edc14aSMd Fahad Iqbal Polash } 6468b1edc14aSMd Fahad Iqbal Polash 6469b1edc14aSMd Fahad Iqbal Polash /** 6470b1edc14aSMd Fahad Iqbal Polash * ice_bridge_setlink - Set the hardware bridge mode 6471b1edc14aSMd Fahad Iqbal Polash * @dev: the netdev being configured 6472b1edc14aSMd Fahad Iqbal Polash * @nlh: RTNL message 6473b1edc14aSMd Fahad Iqbal Polash * @flags: bridge setlink flags 64742fd527b7SPetr Machata * @extack: netlink extended ack 6475b1edc14aSMd Fahad Iqbal Polash * 6476b1edc14aSMd Fahad Iqbal Polash * Sets the bridge mode (VEB/VEPA) of the switch to which the netdev (VSI) is 6477b1edc14aSMd Fahad Iqbal Polash * hooked up to. Iterates through the PF VSI list and sets the loopback mode (if 6478b1edc14aSMd Fahad Iqbal Polash * not already set for all VSIs connected to this switch. And also update the 6479b1edc14aSMd Fahad Iqbal Polash * unicast switch filter rules for the corresponding switch of the netdev. 6480b1edc14aSMd Fahad Iqbal Polash */ 6481b1edc14aSMd Fahad Iqbal Polash static int 6482b1edc14aSMd Fahad Iqbal Polash ice_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh, 64833d505147SBruce Allan u16 __always_unused flags, 64843d505147SBruce Allan struct netlink_ext_ack __always_unused *extack) 6485b1edc14aSMd Fahad Iqbal Polash { 6486b1edc14aSMd Fahad Iqbal Polash struct ice_netdev_priv *np = netdev_priv(dev); 6487b1edc14aSMd Fahad Iqbal Polash struct ice_pf *pf = np->vsi->back; 6488b1edc14aSMd Fahad Iqbal Polash struct nlattr *attr, *br_spec; 6489b1edc14aSMd Fahad Iqbal Polash struct ice_hw *hw = &pf->hw; 6490b1edc14aSMd Fahad Iqbal Polash enum ice_status status; 6491b1edc14aSMd Fahad Iqbal Polash struct ice_sw *pf_sw; 6492b1edc14aSMd Fahad Iqbal Polash int rem, v, err = 0; 6493b1edc14aSMd Fahad Iqbal Polash 6494b1edc14aSMd Fahad Iqbal Polash pf_sw = pf->first_sw; 6495b1edc14aSMd Fahad Iqbal Polash /* find the attribute in the netlink message */ 6496b1edc14aSMd Fahad Iqbal Polash br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); 6497b1edc14aSMd Fahad Iqbal Polash 6498b1edc14aSMd Fahad Iqbal Polash nla_for_each_nested(attr, br_spec, rem) { 6499b1edc14aSMd Fahad Iqbal Polash __u16 mode; 6500b1edc14aSMd Fahad Iqbal Polash 6501b1edc14aSMd Fahad Iqbal Polash if (nla_type(attr) != IFLA_BRIDGE_MODE) 6502b1edc14aSMd Fahad Iqbal Polash continue; 6503b1edc14aSMd Fahad Iqbal Polash mode = nla_get_u16(attr); 6504b1edc14aSMd Fahad Iqbal Polash if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB) 6505b1edc14aSMd Fahad Iqbal Polash return -EINVAL; 6506b1edc14aSMd Fahad Iqbal Polash /* Continue if bridge mode is not being flipped */ 6507b1edc14aSMd Fahad Iqbal Polash if (mode == pf_sw->bridge_mode) 6508b1edc14aSMd Fahad Iqbal Polash continue; 6509b1edc14aSMd Fahad Iqbal Polash /* Iterates through the PF VSI list and update the loopback 6510b1edc14aSMd Fahad Iqbal Polash * mode of the VSI 6511b1edc14aSMd Fahad Iqbal Polash */ 6512b1edc14aSMd Fahad Iqbal Polash ice_for_each_vsi(pf, v) { 6513b1edc14aSMd Fahad Iqbal Polash if (!pf->vsi[v]) 6514b1edc14aSMd Fahad Iqbal Polash continue; 6515b1edc14aSMd Fahad Iqbal Polash err = ice_vsi_update_bridge_mode(pf->vsi[v], mode); 6516b1edc14aSMd Fahad Iqbal Polash if (err) 6517b1edc14aSMd Fahad Iqbal Polash return err; 6518b1edc14aSMd Fahad Iqbal Polash } 6519b1edc14aSMd Fahad Iqbal Polash 6520b1edc14aSMd Fahad Iqbal Polash hw->evb_veb = (mode == BRIDGE_MODE_VEB); 6521b1edc14aSMd Fahad Iqbal Polash /* Update the unicast switch filter rules for the corresponding 6522b1edc14aSMd Fahad Iqbal Polash * switch of the netdev 6523b1edc14aSMd Fahad Iqbal Polash */ 6524b1edc14aSMd Fahad Iqbal Polash status = ice_update_sw_rule_bridge_mode(hw); 6525b1edc14aSMd Fahad Iqbal Polash if (status) { 65260fee3577SLihong Yang netdev_err(dev, "switch rule update failed, mode = %d err %s aq_err %s\n", 65270fee3577SLihong Yang mode, ice_stat_str(status), 65280fee3577SLihong Yang ice_aq_str(hw->adminq.sq_last_status)); 6529b1edc14aSMd Fahad Iqbal Polash /* revert hw->evb_veb */ 6530b1edc14aSMd Fahad Iqbal Polash hw->evb_veb = (pf_sw->bridge_mode == BRIDGE_MODE_VEB); 6531b1edc14aSMd Fahad Iqbal Polash return -EIO; 6532b1edc14aSMd Fahad Iqbal Polash } 6533b1edc14aSMd Fahad Iqbal Polash 6534b1edc14aSMd Fahad Iqbal Polash pf_sw->bridge_mode = mode; 6535b1edc14aSMd Fahad Iqbal Polash } 6536b1edc14aSMd Fahad Iqbal Polash 6537b1edc14aSMd Fahad Iqbal Polash return 0; 6538b1edc14aSMd Fahad Iqbal Polash } 6539b1edc14aSMd Fahad Iqbal Polash 6540b1edc14aSMd Fahad Iqbal Polash /** 6541b3969fd7SSudheer Mogilappagari * ice_tx_timeout - Respond to a Tx Hang 6542b3969fd7SSudheer Mogilappagari * @netdev: network interface device structure 6543644f40eaSBruce Allan * @txqueue: Tx queue 6544b3969fd7SSudheer Mogilappagari */ 65450290bd29SMichael S. Tsirkin static void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue) 6546b3969fd7SSudheer Mogilappagari { 6547b3969fd7SSudheer Mogilappagari struct ice_netdev_priv *np = netdev_priv(netdev); 6548b3969fd7SSudheer Mogilappagari struct ice_ring *tx_ring = NULL; 6549b3969fd7SSudheer Mogilappagari struct ice_vsi *vsi = np->vsi; 6550b3969fd7SSudheer Mogilappagari struct ice_pf *pf = vsi->back; 6551807bc98dSBrett Creeley u32 i; 6552b3969fd7SSudheer Mogilappagari 6553b3969fd7SSudheer Mogilappagari pf->tx_timeout_count++; 6554b3969fd7SSudheer Mogilappagari 6555610ed0e9SAvinash JD /* Check if PFC is enabled for the TC to which the queue belongs 6556610ed0e9SAvinash JD * to. If yes then Tx timeout is not caused by a hung queue, no 6557610ed0e9SAvinash JD * need to reset and rebuild 6558610ed0e9SAvinash JD */ 6559610ed0e9SAvinash JD if (ice_is_pfc_causing_hung_q(pf, txqueue)) { 6560610ed0e9SAvinash JD dev_info(ice_pf_to_dev(pf), "Fake Tx hang detected on queue %u, timeout caused by PFC storm\n", 6561610ed0e9SAvinash JD txqueue); 6562610ed0e9SAvinash JD return; 6563610ed0e9SAvinash JD } 6564610ed0e9SAvinash JD 6565b3969fd7SSudheer Mogilappagari /* now that we have an index, find the tx_ring struct */ 6566bc0c6fabSBruce Allan for (i = 0; i < vsi->num_txq; i++) 6567bc0c6fabSBruce Allan if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc) 6568ed5a3f66SJulio Faracco if (txqueue == vsi->tx_rings[i]->q_index) { 6569b3969fd7SSudheer Mogilappagari tx_ring = vsi->tx_rings[i]; 6570b3969fd7SSudheer Mogilappagari break; 6571b3969fd7SSudheer Mogilappagari } 6572b3969fd7SSudheer Mogilappagari 6573b3969fd7SSudheer Mogilappagari /* Reset recovery level if enough time has elapsed after last timeout. 6574b3969fd7SSudheer Mogilappagari * Also ensure no new reset action happens before next timeout period. 6575b3969fd7SSudheer Mogilappagari */ 6576b3969fd7SSudheer Mogilappagari if (time_after(jiffies, (pf->tx_timeout_last_recovery + HZ * 20))) 6577b3969fd7SSudheer Mogilappagari pf->tx_timeout_recovery_level = 1; 6578b3969fd7SSudheer Mogilappagari else if (time_before(jiffies, (pf->tx_timeout_last_recovery + 6579b3969fd7SSudheer Mogilappagari netdev->watchdog_timeo))) 6580b3969fd7SSudheer Mogilappagari return; 6581b3969fd7SSudheer Mogilappagari 6582b3969fd7SSudheer Mogilappagari if (tx_ring) { 6583807bc98dSBrett Creeley struct ice_hw *hw = &pf->hw; 6584807bc98dSBrett Creeley u32 head, val = 0; 6585807bc98dSBrett Creeley 6586ed5a3f66SJulio Faracco head = (rd32(hw, QTX_COMM_HEAD(vsi->txq_map[txqueue])) & 6587807bc98dSBrett Creeley QTX_COMM_HEAD_HEAD_M) >> QTX_COMM_HEAD_HEAD_S; 6588b3969fd7SSudheer Mogilappagari /* Read interrupt register */ 6589ba880734SBrett Creeley val = rd32(hw, GLINT_DYN_CTL(tx_ring->q_vector->reg_idx)); 6590b3969fd7SSudheer Mogilappagari 659193ff4858STony 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", 6592ed5a3f66SJulio Faracco vsi->vsi_num, txqueue, tx_ring->next_to_clean, 6593807bc98dSBrett Creeley head, tx_ring->next_to_use, val); 6594b3969fd7SSudheer Mogilappagari } 6595b3969fd7SSudheer Mogilappagari 6596b3969fd7SSudheer Mogilappagari pf->tx_timeout_last_recovery = jiffies; 659793ff4858STony Nguyen netdev_info(netdev, "tx_timeout recovery level %d, txqueue %u\n", 6598ed5a3f66SJulio Faracco pf->tx_timeout_recovery_level, txqueue); 6599b3969fd7SSudheer Mogilappagari 6600b3969fd7SSudheer Mogilappagari switch (pf->tx_timeout_recovery_level) { 6601b3969fd7SSudheer Mogilappagari case 1: 6602b3969fd7SSudheer Mogilappagari set_bit(__ICE_PFR_REQ, pf->state); 6603b3969fd7SSudheer Mogilappagari break; 6604b3969fd7SSudheer Mogilappagari case 2: 6605b3969fd7SSudheer Mogilappagari set_bit(__ICE_CORER_REQ, pf->state); 6606b3969fd7SSudheer Mogilappagari break; 6607b3969fd7SSudheer Mogilappagari case 3: 6608b3969fd7SSudheer Mogilappagari set_bit(__ICE_GLOBR_REQ, pf->state); 6609b3969fd7SSudheer Mogilappagari break; 6610b3969fd7SSudheer Mogilappagari default: 6611b3969fd7SSudheer Mogilappagari netdev_err(netdev, "tx_timeout recovery unsuccessful, device is in unrecoverable state.\n"); 6612b3969fd7SSudheer Mogilappagari set_bit(__ICE_DOWN, pf->state); 6613b3969fd7SSudheer Mogilappagari set_bit(__ICE_NEEDS_RESTART, vsi->state); 66148d81fa55SAkeem G Abodunrin set_bit(__ICE_SERVICE_DIS, pf->state); 6615b3969fd7SSudheer Mogilappagari break; 6616b3969fd7SSudheer Mogilappagari } 6617b3969fd7SSudheer Mogilappagari 6618b3969fd7SSudheer Mogilappagari ice_service_task_schedule(pf); 6619b3969fd7SSudheer Mogilappagari pf->tx_timeout_recovery_level++; 6620b3969fd7SSudheer Mogilappagari } 6621b3969fd7SSudheer Mogilappagari 6622b3969fd7SSudheer Mogilappagari /** 6623cdedef59SAnirudh Venkataramanan * ice_open - Called when a network interface becomes active 6624cdedef59SAnirudh Venkataramanan * @netdev: network interface device structure 6625cdedef59SAnirudh Venkataramanan * 6626cdedef59SAnirudh Venkataramanan * The open entry point is called when a network interface is made 6627cdedef59SAnirudh Venkataramanan * active by the system (IFF_UP). At this point all resources needed 6628cdedef59SAnirudh Venkataramanan * for transmit and receive operations are allocated, the interrupt 6629cdedef59SAnirudh Venkataramanan * handler is registered with the OS, the netdev watchdog is enabled, 6630cdedef59SAnirudh Venkataramanan * and the stack is notified that the interface is ready. 6631cdedef59SAnirudh Venkataramanan * 6632cdedef59SAnirudh Venkataramanan * Returns 0 on success, negative value on failure 6633cdedef59SAnirudh Venkataramanan */ 66340e674aebSAnirudh Venkataramanan int ice_open(struct net_device *netdev) 6635cdedef59SAnirudh Venkataramanan { 6636cdedef59SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 6637e95fc857SKrzysztof Goreczny struct ice_pf *pf = np->vsi->back; 6638e95fc857SKrzysztof Goreczny 6639e95fc857SKrzysztof Goreczny if (ice_is_reset_in_progress(pf->state)) { 6640e95fc857SKrzysztof Goreczny netdev_err(netdev, "can't open net device while reset is in progress"); 6641e95fc857SKrzysztof Goreczny return -EBUSY; 6642e95fc857SKrzysztof Goreczny } 6643e95fc857SKrzysztof Goreczny 6644e95fc857SKrzysztof Goreczny return ice_open_internal(netdev); 6645e95fc857SKrzysztof Goreczny } 6646e95fc857SKrzysztof Goreczny 6647e95fc857SKrzysztof Goreczny /** 6648e95fc857SKrzysztof Goreczny * ice_open_internal - Called when a network interface becomes active 6649e95fc857SKrzysztof Goreczny * @netdev: network interface device structure 6650e95fc857SKrzysztof Goreczny * 6651e95fc857SKrzysztof Goreczny * Internal ice_open implementation. Should not be used directly except for ice_open and reset 6652e95fc857SKrzysztof Goreczny * handling routine 6653e95fc857SKrzysztof Goreczny * 6654e95fc857SKrzysztof Goreczny * Returns 0 on success, negative value on failure 6655e95fc857SKrzysztof Goreczny */ 6656e95fc857SKrzysztof Goreczny int ice_open_internal(struct net_device *netdev) 6657e95fc857SKrzysztof Goreczny { 6658e95fc857SKrzysztof Goreczny struct ice_netdev_priv *np = netdev_priv(netdev); 6659cdedef59SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 6660de75135bSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 66616d599946STony Nguyen struct ice_port_info *pi; 6662cdedef59SAnirudh Venkataramanan int err; 6663cdedef59SAnirudh Venkataramanan 6664de75135bSAnirudh Venkataramanan if (test_bit(__ICE_NEEDS_RESTART, pf->state)) { 66650f9d5027SAnirudh Venkataramanan netdev_err(netdev, "driver needs to be unloaded and reloaded\n"); 66660f9d5027SAnirudh Venkataramanan return -EIO; 66670f9d5027SAnirudh Venkataramanan } 66680f9d5027SAnirudh Venkataramanan 6669de75135bSAnirudh Venkataramanan if (test_bit(__ICE_DOWN, pf->state)) { 6670de75135bSAnirudh Venkataramanan netdev_err(netdev, "device is not ready yet\n"); 6671de75135bSAnirudh Venkataramanan return -EBUSY; 6672de75135bSAnirudh Venkataramanan } 6673de75135bSAnirudh Venkataramanan 6674cdedef59SAnirudh Venkataramanan netif_carrier_off(netdev); 6675cdedef59SAnirudh Venkataramanan 66766d599946STony Nguyen pi = vsi->port_info; 66776d599946STony Nguyen err = ice_update_link_info(pi); 66786d599946STony Nguyen if (err) { 66796d599946STony Nguyen netdev_err(netdev, "Failed to get link info, error %d\n", 66806d599946STony Nguyen err); 66816d599946STony Nguyen return err; 66826d599946STony Nguyen } 66836d599946STony Nguyen 66846d599946STony Nguyen /* Set PHY if there is media, otherwise, turn off PHY */ 66856d599946STony Nguyen if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) { 66861a3571b5SPaul Greenwalt clear_bit(ICE_FLAG_NO_MEDIA, pf->flags); 66871a3571b5SPaul Greenwalt if (!test_bit(__ICE_PHY_INIT_COMPLETE, pf->state)) { 66881a3571b5SPaul Greenwalt err = ice_init_phy_user_cfg(pi); 66891a3571b5SPaul Greenwalt if (err) { 66901a3571b5SPaul Greenwalt netdev_err(netdev, "Failed to initialize PHY settings, error %d\n", 66911a3571b5SPaul Greenwalt err); 66921a3571b5SPaul Greenwalt return err; 66931a3571b5SPaul Greenwalt } 66941a3571b5SPaul Greenwalt } 66951a3571b5SPaul Greenwalt 66961a3571b5SPaul Greenwalt err = ice_configure_phy(vsi); 6697b6f934f0SBrett Creeley if (err) { 669819cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Failed to set physical link up, error %d\n", 66996d599946STony Nguyen err); 6700b6f934f0SBrett Creeley return err; 6701b6f934f0SBrett Creeley } 67026d599946STony Nguyen } else { 67031a3571b5SPaul Greenwalt set_bit(ICE_FLAG_NO_MEDIA, pf->flags); 67046d599946STony Nguyen err = ice_aq_set_link_restart_an(pi, false, NULL); 67056d599946STony Nguyen if (err) { 67066d599946STony Nguyen netdev_err(netdev, "Failed to set PHY state, VSI %d error %d\n", 67076d599946STony Nguyen vsi->vsi_num, err); 67086d599946STony Nguyen return err; 67096d599946STony Nguyen } 67106d599946STony Nguyen } 6711cdedef59SAnirudh Venkataramanan 6712b6f934f0SBrett Creeley err = ice_vsi_open(vsi); 6713cdedef59SAnirudh Venkataramanan if (err) 6714cdedef59SAnirudh Venkataramanan netdev_err(netdev, "Failed to open VSI 0x%04X on switch 0x%04X\n", 6715cdedef59SAnirudh Venkataramanan vsi->vsi_num, vsi->vsw->sw_id); 6716a4e82a81STony Nguyen 6717a4e82a81STony Nguyen /* Update existing tunnels information */ 6718a4e82a81STony Nguyen udp_tunnel_get_rx_info(netdev); 6719a4e82a81STony Nguyen 6720cdedef59SAnirudh Venkataramanan return err; 6721cdedef59SAnirudh Venkataramanan } 6722cdedef59SAnirudh Venkataramanan 6723cdedef59SAnirudh Venkataramanan /** 6724cdedef59SAnirudh Venkataramanan * ice_stop - Disables a network interface 6725cdedef59SAnirudh Venkataramanan * @netdev: network interface device structure 6726cdedef59SAnirudh Venkataramanan * 6727cdedef59SAnirudh Venkataramanan * The stop entry point is called when an interface is de-activated by the OS, 6728cdedef59SAnirudh Venkataramanan * and the netdevice enters the DOWN state. The hardware is still under the 6729cdedef59SAnirudh Venkataramanan * driver's control, but the netdev interface is disabled. 6730cdedef59SAnirudh Venkataramanan * 6731cdedef59SAnirudh Venkataramanan * Returns success only - not allowed to fail 6732cdedef59SAnirudh Venkataramanan */ 67330e674aebSAnirudh Venkataramanan int ice_stop(struct net_device *netdev) 6734cdedef59SAnirudh Venkataramanan { 6735cdedef59SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 6736cdedef59SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 6737e95fc857SKrzysztof Goreczny struct ice_pf *pf = vsi->back; 6738e95fc857SKrzysztof Goreczny 6739e95fc857SKrzysztof Goreczny if (ice_is_reset_in_progress(pf->state)) { 6740e95fc857SKrzysztof Goreczny netdev_err(netdev, "can't stop net device while reset is in progress"); 6741e95fc857SKrzysztof Goreczny return -EBUSY; 6742e95fc857SKrzysztof Goreczny } 6743cdedef59SAnirudh Venkataramanan 6744cdedef59SAnirudh Venkataramanan ice_vsi_close(vsi); 6745cdedef59SAnirudh Venkataramanan 6746cdedef59SAnirudh Venkataramanan return 0; 6747cdedef59SAnirudh Venkataramanan } 6748cdedef59SAnirudh Venkataramanan 6749e94d4478SAnirudh Venkataramanan /** 6750e94d4478SAnirudh Venkataramanan * ice_features_check - Validate encapsulated packet conforms to limits 6751e94d4478SAnirudh Venkataramanan * @skb: skb buffer 6752e94d4478SAnirudh Venkataramanan * @netdev: This port's netdev 6753e94d4478SAnirudh Venkataramanan * @features: Offload features that the stack believes apply 6754e94d4478SAnirudh Venkataramanan */ 6755e94d4478SAnirudh Venkataramanan static netdev_features_t 6756e94d4478SAnirudh Venkataramanan ice_features_check(struct sk_buff *skb, 6757e94d4478SAnirudh Venkataramanan struct net_device __always_unused *netdev, 6758e94d4478SAnirudh Venkataramanan netdev_features_t features) 6759e94d4478SAnirudh Venkataramanan { 6760e94d4478SAnirudh Venkataramanan size_t len; 6761e94d4478SAnirudh Venkataramanan 6762e94d4478SAnirudh Venkataramanan /* No point in doing any of this if neither checksum nor GSO are 6763e94d4478SAnirudh Venkataramanan * being requested for this frame. We can rule out both by just 6764e94d4478SAnirudh Venkataramanan * checking for CHECKSUM_PARTIAL 6765e94d4478SAnirudh Venkataramanan */ 6766e94d4478SAnirudh Venkataramanan if (skb->ip_summed != CHECKSUM_PARTIAL) 6767e94d4478SAnirudh Venkataramanan return features; 6768e94d4478SAnirudh Venkataramanan 6769e94d4478SAnirudh Venkataramanan /* We cannot support GSO if the MSS is going to be less than 6770e94d4478SAnirudh Venkataramanan * 64 bytes. If it is then we need to drop support for GSO. 6771e94d4478SAnirudh Venkataramanan */ 6772e94d4478SAnirudh Venkataramanan if (skb_is_gso(skb) && (skb_shinfo(skb)->gso_size < 64)) 6773e94d4478SAnirudh Venkataramanan features &= ~NETIF_F_GSO_MASK; 6774e94d4478SAnirudh Venkataramanan 6775e94d4478SAnirudh Venkataramanan len = skb_network_header(skb) - skb->data; 6776a4e82a81STony Nguyen if (len > ICE_TXD_MACLEN_MAX || len & 0x1) 6777e94d4478SAnirudh Venkataramanan goto out_rm_features; 6778e94d4478SAnirudh Venkataramanan 6779e94d4478SAnirudh Venkataramanan len = skb_transport_header(skb) - skb_network_header(skb); 6780a4e82a81STony Nguyen if (len > ICE_TXD_IPLEN_MAX || len & 0x1) 6781e94d4478SAnirudh Venkataramanan goto out_rm_features; 6782e94d4478SAnirudh Venkataramanan 6783e94d4478SAnirudh Venkataramanan if (skb->encapsulation) { 6784e94d4478SAnirudh Venkataramanan len = skb_inner_network_header(skb) - skb_transport_header(skb); 6785a4e82a81STony Nguyen if (len > ICE_TXD_L4LEN_MAX || len & 0x1) 6786e94d4478SAnirudh Venkataramanan goto out_rm_features; 6787e94d4478SAnirudh Venkataramanan 6788e94d4478SAnirudh Venkataramanan len = skb_inner_transport_header(skb) - 6789e94d4478SAnirudh Venkataramanan skb_inner_network_header(skb); 6790a4e82a81STony Nguyen if (len > ICE_TXD_IPLEN_MAX || len & 0x1) 6791e94d4478SAnirudh Venkataramanan goto out_rm_features; 6792e94d4478SAnirudh Venkataramanan } 6793e94d4478SAnirudh Venkataramanan 6794e94d4478SAnirudh Venkataramanan return features; 6795e94d4478SAnirudh Venkataramanan out_rm_features: 6796e94d4478SAnirudh Venkataramanan return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); 6797e94d4478SAnirudh Venkataramanan } 6798e94d4478SAnirudh Venkataramanan 6799462acf6aSTony Nguyen static const struct net_device_ops ice_netdev_safe_mode_ops = { 6800462acf6aSTony Nguyen .ndo_open = ice_open, 6801462acf6aSTony Nguyen .ndo_stop = ice_stop, 6802462acf6aSTony Nguyen .ndo_start_xmit = ice_start_xmit, 6803462acf6aSTony Nguyen .ndo_set_mac_address = ice_set_mac_address, 6804462acf6aSTony Nguyen .ndo_validate_addr = eth_validate_addr, 6805462acf6aSTony Nguyen .ndo_change_mtu = ice_change_mtu, 6806462acf6aSTony Nguyen .ndo_get_stats64 = ice_get_stats64, 6807462acf6aSTony Nguyen .ndo_tx_timeout = ice_tx_timeout, 6808462acf6aSTony Nguyen }; 6809462acf6aSTony Nguyen 6810cdedef59SAnirudh Venkataramanan static const struct net_device_ops ice_netdev_ops = { 6811cdedef59SAnirudh Venkataramanan .ndo_open = ice_open, 6812cdedef59SAnirudh Venkataramanan .ndo_stop = ice_stop, 68132b245cb2SAnirudh Venkataramanan .ndo_start_xmit = ice_start_xmit, 6814e94d4478SAnirudh Venkataramanan .ndo_features_check = ice_features_check, 6815e94d4478SAnirudh Venkataramanan .ndo_set_rx_mode = ice_set_rx_mode, 6816e94d4478SAnirudh Venkataramanan .ndo_set_mac_address = ice_set_mac_address, 6817e94d4478SAnirudh Venkataramanan .ndo_validate_addr = eth_validate_addr, 6818e94d4478SAnirudh Venkataramanan .ndo_change_mtu = ice_change_mtu, 6819fcea6f3dSAnirudh Venkataramanan .ndo_get_stats64 = ice_get_stats64, 68201ddef455SUsha Ketineni .ndo_set_tx_maxrate = ice_set_tx_maxrate, 68217c710869SAnirudh Venkataramanan .ndo_set_vf_spoofchk = ice_set_vf_spoofchk, 68227c710869SAnirudh Venkataramanan .ndo_set_vf_mac = ice_set_vf_mac, 68237c710869SAnirudh Venkataramanan .ndo_get_vf_config = ice_get_vf_cfg, 68247c710869SAnirudh Venkataramanan .ndo_set_vf_trust = ice_set_vf_trust, 68257c710869SAnirudh Venkataramanan .ndo_set_vf_vlan = ice_set_vf_port_vlan, 68267c710869SAnirudh Venkataramanan .ndo_set_vf_link_state = ice_set_vf_link_state, 6827730fdea4SJesse Brandeburg .ndo_get_vf_stats = ice_get_vf_stats, 6828d76a60baSAnirudh Venkataramanan .ndo_vlan_rx_add_vid = ice_vlan_rx_add_vid, 6829d76a60baSAnirudh Venkataramanan .ndo_vlan_rx_kill_vid = ice_vlan_rx_kill_vid, 6830d76a60baSAnirudh Venkataramanan .ndo_set_features = ice_set_features, 6831b1edc14aSMd Fahad Iqbal Polash .ndo_bridge_getlink = ice_bridge_getlink, 6832b1edc14aSMd Fahad Iqbal Polash .ndo_bridge_setlink = ice_bridge_setlink, 6833e94d4478SAnirudh Venkataramanan .ndo_fdb_add = ice_fdb_add, 6834e94d4478SAnirudh Venkataramanan .ndo_fdb_del = ice_fdb_del, 683528bf2672SBrett Creeley #ifdef CONFIG_RFS_ACCEL 683628bf2672SBrett Creeley .ndo_rx_flow_steer = ice_rx_flow_steer, 683728bf2672SBrett Creeley #endif 6838b3969fd7SSudheer Mogilappagari .ndo_tx_timeout = ice_tx_timeout, 6839efc2214bSMaciej Fijalkowski .ndo_bpf = ice_xdp, 6840efc2214bSMaciej Fijalkowski .ndo_xdp_xmit = ice_xdp_xmit, 68412d4238f5SKrzysztof Kazimierczak .ndo_xsk_wakeup = ice_xsk_wakeup, 6842cdedef59SAnirudh Venkataramanan }; 6843