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 473a858ba3SAnirudh Venkataramanan /** 48b3969fd7SSudheer Mogilappagari * ice_get_tx_pending - returns number of Tx descriptors not processed 49b3969fd7SSudheer Mogilappagari * @ring: the ring of descriptors 50b3969fd7SSudheer Mogilappagari */ 51c1ddf1f5SBrett Creeley static u16 ice_get_tx_pending(struct ice_ring *ring) 52b3969fd7SSudheer Mogilappagari { 53c1ddf1f5SBrett Creeley u16 head, tail; 54b3969fd7SSudheer Mogilappagari 55b3969fd7SSudheer Mogilappagari head = ring->next_to_clean; 56c1ddf1f5SBrett Creeley tail = ring->next_to_use; 57b3969fd7SSudheer Mogilappagari 58b3969fd7SSudheer Mogilappagari if (head != tail) 59b3969fd7SSudheer Mogilappagari return (head < tail) ? 60b3969fd7SSudheer Mogilappagari tail - head : (tail + ring->count - head); 61b3969fd7SSudheer Mogilappagari return 0; 62b3969fd7SSudheer Mogilappagari } 63b3969fd7SSudheer Mogilappagari 64b3969fd7SSudheer Mogilappagari /** 65b3969fd7SSudheer Mogilappagari * ice_check_for_hang_subtask - check for and recover hung queues 66b3969fd7SSudheer Mogilappagari * @pf: pointer to PF struct 67b3969fd7SSudheer Mogilappagari */ 68b3969fd7SSudheer Mogilappagari static void ice_check_for_hang_subtask(struct ice_pf *pf) 69b3969fd7SSudheer Mogilappagari { 70b3969fd7SSudheer Mogilappagari struct ice_vsi *vsi = NULL; 71e89e899fSBrett Creeley struct ice_hw *hw; 72b3969fd7SSudheer Mogilappagari unsigned int i; 73b3969fd7SSudheer Mogilappagari int packets; 74e89e899fSBrett Creeley u32 v; 75b3969fd7SSudheer Mogilappagari 76b3969fd7SSudheer Mogilappagari ice_for_each_vsi(pf, v) 77b3969fd7SSudheer Mogilappagari if (pf->vsi[v] && pf->vsi[v]->type == ICE_VSI_PF) { 78b3969fd7SSudheer Mogilappagari vsi = pf->vsi[v]; 79b3969fd7SSudheer Mogilappagari break; 80b3969fd7SSudheer Mogilappagari } 81b3969fd7SSudheer Mogilappagari 82b3969fd7SSudheer Mogilappagari if (!vsi || test_bit(__ICE_DOWN, vsi->state)) 83b3969fd7SSudheer Mogilappagari return; 84b3969fd7SSudheer Mogilappagari 85b3969fd7SSudheer Mogilappagari if (!(vsi->netdev && netif_carrier_ok(vsi->netdev))) 86b3969fd7SSudheer Mogilappagari return; 87b3969fd7SSudheer Mogilappagari 88e89e899fSBrett Creeley hw = &vsi->back->hw; 89e89e899fSBrett Creeley 90b3969fd7SSudheer Mogilappagari for (i = 0; i < vsi->num_txq; i++) { 91b3969fd7SSudheer Mogilappagari struct ice_ring *tx_ring = vsi->tx_rings[i]; 92b3969fd7SSudheer Mogilappagari 93b3969fd7SSudheer Mogilappagari if (tx_ring && tx_ring->desc) { 94b3969fd7SSudheer Mogilappagari /* If packet counter has not changed the queue is 95b3969fd7SSudheer Mogilappagari * likely stalled, so force an interrupt for this 96b3969fd7SSudheer Mogilappagari * queue. 97b3969fd7SSudheer Mogilappagari * 98b3969fd7SSudheer Mogilappagari * prev_pkt would be negative if there was no 99b3969fd7SSudheer Mogilappagari * pending work. 100b3969fd7SSudheer Mogilappagari */ 101b3969fd7SSudheer Mogilappagari packets = tx_ring->stats.pkts & INT_MAX; 102b3969fd7SSudheer Mogilappagari if (tx_ring->tx_stats.prev_pkt == packets) { 103b3969fd7SSudheer Mogilappagari /* Trigger sw interrupt to revive the queue */ 104e89e899fSBrett Creeley ice_trigger_sw_intr(hw, tx_ring->q_vector); 105b3969fd7SSudheer Mogilappagari continue; 106b3969fd7SSudheer Mogilappagari } 107b3969fd7SSudheer Mogilappagari 108b3969fd7SSudheer Mogilappagari /* Memory barrier between read of packet count and call 109b3969fd7SSudheer Mogilappagari * to ice_get_tx_pending() 110b3969fd7SSudheer Mogilappagari */ 111b3969fd7SSudheer Mogilappagari smp_rmb(); 112b3969fd7SSudheer Mogilappagari tx_ring->tx_stats.prev_pkt = 113b3969fd7SSudheer Mogilappagari ice_get_tx_pending(tx_ring) ? packets : -1; 114b3969fd7SSudheer Mogilappagari } 115b3969fd7SSudheer Mogilappagari } 116b3969fd7SSudheer Mogilappagari } 117b3969fd7SSudheer Mogilappagari 118b3969fd7SSudheer Mogilappagari /** 119561f4379STony Nguyen * ice_init_mac_fltr - Set initial MAC filters 120561f4379STony Nguyen * @pf: board private structure 121561f4379STony Nguyen * 1222f2da36eSAnirudh Venkataramanan * Set initial set of MAC filters for PF VSI; configure filters for permanent 123561f4379STony Nguyen * address and broadcast address. If an error is encountered, netdevice will be 124561f4379STony Nguyen * unregistered. 125561f4379STony Nguyen */ 126561f4379STony Nguyen static int ice_init_mac_fltr(struct ice_pf *pf) 127561f4379STony Nguyen { 128bbb968e8SAkeem G Abodunrin enum ice_status status; 129561f4379STony Nguyen struct ice_vsi *vsi; 1301b8f15b6SMichal Swiatkowski u8 *perm_addr; 131561f4379STony Nguyen 132208ff751SAnirudh Venkataramanan vsi = ice_get_main_vsi(pf); 133561f4379STony Nguyen if (!vsi) 134561f4379STony Nguyen return -EINVAL; 135561f4379STony Nguyen 1361b8f15b6SMichal Swiatkowski perm_addr = vsi->port_info->mac.perm_addr; 1371b8f15b6SMichal Swiatkowski status = ice_fltr_add_mac_and_broadcast(vsi, perm_addr, ICE_FWD_TO_VSI); 1381b8f15b6SMichal Swiatkowski if (!status) 139bbb968e8SAkeem G Abodunrin return 0; 1401b8f15b6SMichal Swiatkowski 141561f4379STony Nguyen /* We aren't useful with no MAC filters, so unregister if we 142561f4379STony Nguyen * had an error 143561f4379STony Nguyen */ 14486a2e00dSBruce Allan if (vsi->netdev->reg_state == NETREG_REGISTERED) { 1450fee3577SLihong Yang dev_err(ice_pf_to_dev(pf), "Could not add MAC filters error %s. Unregistering device\n", 1460fee3577SLihong Yang ice_stat_str(status)); 147561f4379STony Nguyen unregister_netdev(vsi->netdev); 148561f4379STony Nguyen free_netdev(vsi->netdev); 149561f4379STony Nguyen vsi->netdev = NULL; 150561f4379STony Nguyen } 151561f4379STony Nguyen 152bbb968e8SAkeem G Abodunrin return -EIO; 153561f4379STony Nguyen } 154561f4379STony Nguyen 155561f4379STony Nguyen /** 156f9867df6SAnirudh Venkataramanan * ice_add_mac_to_sync_list - creates list of MAC addresses to be synced 157e94d4478SAnirudh Venkataramanan * @netdev: the net device on which the sync is happening 158f9867df6SAnirudh Venkataramanan * @addr: MAC address to sync 159e94d4478SAnirudh Venkataramanan * 160e94d4478SAnirudh Venkataramanan * This is a callback function which is called by the in kernel device sync 161e94d4478SAnirudh Venkataramanan * functions (like __dev_uc_sync, __dev_mc_sync, etc). This function only 162e94d4478SAnirudh Venkataramanan * populates the tmp_sync_list, which is later used by ice_add_mac to add the 163f9867df6SAnirudh Venkataramanan * MAC filters from the hardware. 164e94d4478SAnirudh Venkataramanan */ 165e94d4478SAnirudh Venkataramanan static int ice_add_mac_to_sync_list(struct net_device *netdev, const u8 *addr) 166e94d4478SAnirudh Venkataramanan { 167e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 168e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 169e94d4478SAnirudh Venkataramanan 1701b8f15b6SMichal Swiatkowski if (ice_fltr_add_mac_to_list(vsi, &vsi->tmp_sync_list, addr, 1711b8f15b6SMichal Swiatkowski ICE_FWD_TO_VSI)) 172e94d4478SAnirudh Venkataramanan return -EINVAL; 173e94d4478SAnirudh Venkataramanan 174e94d4478SAnirudh Venkataramanan return 0; 175e94d4478SAnirudh Venkataramanan } 176e94d4478SAnirudh Venkataramanan 177e94d4478SAnirudh Venkataramanan /** 178f9867df6SAnirudh Venkataramanan * ice_add_mac_to_unsync_list - creates list of MAC addresses to be unsynced 179e94d4478SAnirudh Venkataramanan * @netdev: the net device on which the unsync is happening 180f9867df6SAnirudh Venkataramanan * @addr: MAC address to unsync 181e94d4478SAnirudh Venkataramanan * 182e94d4478SAnirudh Venkataramanan * This is a callback function which is called by the in kernel device unsync 183e94d4478SAnirudh Venkataramanan * functions (like __dev_uc_unsync, __dev_mc_unsync, etc). This function only 184e94d4478SAnirudh Venkataramanan * populates the tmp_unsync_list, which is later used by ice_remove_mac to 185f9867df6SAnirudh Venkataramanan * delete the MAC filters from the hardware. 186e94d4478SAnirudh Venkataramanan */ 187e94d4478SAnirudh Venkataramanan static int ice_add_mac_to_unsync_list(struct net_device *netdev, const u8 *addr) 188e94d4478SAnirudh Venkataramanan { 189e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 190e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 191e94d4478SAnirudh Venkataramanan 1921b8f15b6SMichal Swiatkowski if (ice_fltr_add_mac_to_list(vsi, &vsi->tmp_unsync_list, addr, 1931b8f15b6SMichal Swiatkowski ICE_FWD_TO_VSI)) 194e94d4478SAnirudh Venkataramanan return -EINVAL; 195e94d4478SAnirudh Venkataramanan 196e94d4478SAnirudh Venkataramanan return 0; 197e94d4478SAnirudh Venkataramanan } 198e94d4478SAnirudh Venkataramanan 199e94d4478SAnirudh Venkataramanan /** 200e94d4478SAnirudh Venkataramanan * ice_vsi_fltr_changed - check if filter state changed 201e94d4478SAnirudh Venkataramanan * @vsi: VSI to be checked 202e94d4478SAnirudh Venkataramanan * 203e94d4478SAnirudh Venkataramanan * returns true if filter state has changed, false otherwise. 204e94d4478SAnirudh Venkataramanan */ 205e94d4478SAnirudh Venkataramanan static bool ice_vsi_fltr_changed(struct ice_vsi *vsi) 206e94d4478SAnirudh Venkataramanan { 207e94d4478SAnirudh Venkataramanan return test_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags) || 208e94d4478SAnirudh Venkataramanan test_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags) || 209e94d4478SAnirudh Venkataramanan test_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags); 210e94d4478SAnirudh Venkataramanan } 211e94d4478SAnirudh Venkataramanan 212e94d4478SAnirudh Venkataramanan /** 2135eda8afdSAkeem G Abodunrin * ice_cfg_promisc - Enable or disable promiscuous mode for a given PF 2145eda8afdSAkeem G Abodunrin * @vsi: the VSI being configured 2155eda8afdSAkeem G Abodunrin * @promisc_m: mask of promiscuous config bits 2165eda8afdSAkeem G Abodunrin * @set_promisc: enable or disable promisc flag request 2175eda8afdSAkeem G Abodunrin * 2185eda8afdSAkeem G Abodunrin */ 2195eda8afdSAkeem G Abodunrin static int ice_cfg_promisc(struct ice_vsi *vsi, u8 promisc_m, bool set_promisc) 2205eda8afdSAkeem G Abodunrin { 2215eda8afdSAkeem G Abodunrin struct ice_hw *hw = &vsi->back->hw; 2225eda8afdSAkeem G Abodunrin enum ice_status status = 0; 2235eda8afdSAkeem G Abodunrin 2245eda8afdSAkeem G Abodunrin if (vsi->type != ICE_VSI_PF) 2255eda8afdSAkeem G Abodunrin return 0; 2265eda8afdSAkeem G Abodunrin 2275eda8afdSAkeem G Abodunrin if (vsi->vlan_ena) { 2285eda8afdSAkeem G Abodunrin status = ice_set_vlan_vsi_promisc(hw, vsi->idx, promisc_m, 2295eda8afdSAkeem G Abodunrin set_promisc); 2305eda8afdSAkeem G Abodunrin } else { 2315eda8afdSAkeem G Abodunrin if (set_promisc) 2325eda8afdSAkeem G Abodunrin status = ice_set_vsi_promisc(hw, vsi->idx, promisc_m, 2335eda8afdSAkeem G Abodunrin 0); 2345eda8afdSAkeem G Abodunrin else 2355eda8afdSAkeem G Abodunrin status = ice_clear_vsi_promisc(hw, vsi->idx, promisc_m, 2365eda8afdSAkeem G Abodunrin 0); 2375eda8afdSAkeem G Abodunrin } 2385eda8afdSAkeem G Abodunrin 2395eda8afdSAkeem G Abodunrin if (status) 2405eda8afdSAkeem G Abodunrin return -EIO; 2415eda8afdSAkeem G Abodunrin 2425eda8afdSAkeem G Abodunrin return 0; 2435eda8afdSAkeem G Abodunrin } 2445eda8afdSAkeem G Abodunrin 2455eda8afdSAkeem G Abodunrin /** 246e94d4478SAnirudh Venkataramanan * ice_vsi_sync_fltr - Update the VSI filter list to the HW 247e94d4478SAnirudh Venkataramanan * @vsi: ptr to the VSI 248e94d4478SAnirudh Venkataramanan * 249e94d4478SAnirudh Venkataramanan * Push any outstanding VSI filter changes through the AdminQ. 250e94d4478SAnirudh Venkataramanan */ 251e94d4478SAnirudh Venkataramanan static int ice_vsi_sync_fltr(struct ice_vsi *vsi) 252e94d4478SAnirudh Venkataramanan { 2539a946843SAnirudh Venkataramanan struct device *dev = ice_pf_to_dev(vsi->back); 254e94d4478SAnirudh Venkataramanan struct net_device *netdev = vsi->netdev; 255e94d4478SAnirudh Venkataramanan bool promisc_forced_on = false; 256e94d4478SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 257e94d4478SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 258e94d4478SAnirudh Venkataramanan enum ice_status status = 0; 259e94d4478SAnirudh Venkataramanan u32 changed_flags = 0; 2605eda8afdSAkeem G Abodunrin u8 promisc_m; 261e94d4478SAnirudh Venkataramanan int err = 0; 262e94d4478SAnirudh Venkataramanan 263e94d4478SAnirudh Venkataramanan if (!vsi->netdev) 264e94d4478SAnirudh Venkataramanan return -EINVAL; 265e94d4478SAnirudh Venkataramanan 266e94d4478SAnirudh Venkataramanan while (test_and_set_bit(__ICE_CFG_BUSY, vsi->state)) 267e94d4478SAnirudh Venkataramanan usleep_range(1000, 2000); 268e94d4478SAnirudh Venkataramanan 269e94d4478SAnirudh Venkataramanan changed_flags = vsi->current_netdev_flags ^ vsi->netdev->flags; 270e94d4478SAnirudh Venkataramanan vsi->current_netdev_flags = vsi->netdev->flags; 271e94d4478SAnirudh Venkataramanan 272e94d4478SAnirudh Venkataramanan INIT_LIST_HEAD(&vsi->tmp_sync_list); 273e94d4478SAnirudh Venkataramanan INIT_LIST_HEAD(&vsi->tmp_unsync_list); 274e94d4478SAnirudh Venkataramanan 275e94d4478SAnirudh Venkataramanan if (ice_vsi_fltr_changed(vsi)) { 276e94d4478SAnirudh Venkataramanan clear_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags); 277e94d4478SAnirudh Venkataramanan clear_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags); 278e94d4478SAnirudh Venkataramanan clear_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags); 279e94d4478SAnirudh Venkataramanan 280e94d4478SAnirudh Venkataramanan /* grab the netdev's addr_list_lock */ 281e94d4478SAnirudh Venkataramanan netif_addr_lock_bh(netdev); 282e94d4478SAnirudh Venkataramanan __dev_uc_sync(netdev, ice_add_mac_to_sync_list, 283e94d4478SAnirudh Venkataramanan ice_add_mac_to_unsync_list); 284e94d4478SAnirudh Venkataramanan __dev_mc_sync(netdev, ice_add_mac_to_sync_list, 285e94d4478SAnirudh Venkataramanan ice_add_mac_to_unsync_list); 286e94d4478SAnirudh Venkataramanan /* our temp lists are populated. release lock */ 287e94d4478SAnirudh Venkataramanan netif_addr_unlock_bh(netdev); 288e94d4478SAnirudh Venkataramanan } 289e94d4478SAnirudh Venkataramanan 290f9867df6SAnirudh Venkataramanan /* Remove MAC addresses in the unsync list */ 2911b8f15b6SMichal Swiatkowski status = ice_fltr_remove_mac_list(vsi, &vsi->tmp_unsync_list); 2921b8f15b6SMichal Swiatkowski ice_fltr_free_list(dev, &vsi->tmp_unsync_list); 293e94d4478SAnirudh Venkataramanan if (status) { 294e94d4478SAnirudh Venkataramanan netdev_err(netdev, "Failed to delete MAC filters\n"); 295e94d4478SAnirudh Venkataramanan /* if we failed because of alloc failures, just bail */ 296e94d4478SAnirudh Venkataramanan if (status == ICE_ERR_NO_MEMORY) { 297e94d4478SAnirudh Venkataramanan err = -ENOMEM; 298e94d4478SAnirudh Venkataramanan goto out; 299e94d4478SAnirudh Venkataramanan } 300e94d4478SAnirudh Venkataramanan } 301e94d4478SAnirudh Venkataramanan 302f9867df6SAnirudh Venkataramanan /* Add MAC addresses in the sync list */ 3031b8f15b6SMichal Swiatkowski status = ice_fltr_add_mac_list(vsi, &vsi->tmp_sync_list); 3041b8f15b6SMichal Swiatkowski ice_fltr_free_list(dev, &vsi->tmp_sync_list); 30589f3e4a5SPreethi Banala /* If filter is added successfully or already exists, do not go into 30689f3e4a5SPreethi Banala * 'if' condition and report it as error. Instead continue processing 30789f3e4a5SPreethi Banala * rest of the function. 30889f3e4a5SPreethi Banala */ 30989f3e4a5SPreethi Banala if (status && status != ICE_ERR_ALREADY_EXISTS) { 310e94d4478SAnirudh Venkataramanan netdev_err(netdev, "Failed to add MAC filters\n"); 311f9867df6SAnirudh Venkataramanan /* If there is no more space for new umac filters, VSI 312e94d4478SAnirudh Venkataramanan * should go into promiscuous mode. There should be some 313e94d4478SAnirudh Venkataramanan * space reserved for promiscuous filters. 314e94d4478SAnirudh Venkataramanan */ 315e94d4478SAnirudh Venkataramanan if (hw->adminq.sq_last_status == ICE_AQ_RC_ENOSPC && 316e94d4478SAnirudh Venkataramanan !test_and_set_bit(__ICE_FLTR_OVERFLOW_PROMISC, 317e94d4478SAnirudh Venkataramanan vsi->state)) { 318e94d4478SAnirudh Venkataramanan promisc_forced_on = true; 31919cce2c6SAnirudh Venkataramanan netdev_warn(netdev, "Reached MAC filter limit, forcing promisc mode on VSI %d\n", 320e94d4478SAnirudh Venkataramanan vsi->vsi_num); 321e94d4478SAnirudh Venkataramanan } else { 322e94d4478SAnirudh Venkataramanan err = -EIO; 323e94d4478SAnirudh Venkataramanan goto out; 324e94d4478SAnirudh Venkataramanan } 325e94d4478SAnirudh Venkataramanan } 326e94d4478SAnirudh Venkataramanan /* check for changes in promiscuous modes */ 3275eda8afdSAkeem G Abodunrin if (changed_flags & IFF_ALLMULTI) { 3285eda8afdSAkeem G Abodunrin if (vsi->current_netdev_flags & IFF_ALLMULTI) { 3295eda8afdSAkeem G Abodunrin if (vsi->vlan_ena) 3305eda8afdSAkeem G Abodunrin promisc_m = ICE_MCAST_VLAN_PROMISC_BITS; 3315eda8afdSAkeem G Abodunrin else 3325eda8afdSAkeem G Abodunrin promisc_m = ICE_MCAST_PROMISC_BITS; 3335eda8afdSAkeem G Abodunrin 3345eda8afdSAkeem G Abodunrin err = ice_cfg_promisc(vsi, promisc_m, true); 3355eda8afdSAkeem G Abodunrin if (err) { 3365eda8afdSAkeem G Abodunrin netdev_err(netdev, "Error setting Multicast promiscuous mode on VSI %i\n", 3375eda8afdSAkeem G Abodunrin vsi->vsi_num); 3385eda8afdSAkeem G Abodunrin vsi->current_netdev_flags &= ~IFF_ALLMULTI; 3395eda8afdSAkeem G Abodunrin goto out_promisc; 3405eda8afdSAkeem G Abodunrin } 34192ace482SBruce Allan } else { 34292ace482SBruce Allan /* !(vsi->current_netdev_flags & IFF_ALLMULTI) */ 3435eda8afdSAkeem G Abodunrin if (vsi->vlan_ena) 3445eda8afdSAkeem G Abodunrin promisc_m = ICE_MCAST_VLAN_PROMISC_BITS; 3455eda8afdSAkeem G Abodunrin else 3465eda8afdSAkeem G Abodunrin promisc_m = ICE_MCAST_PROMISC_BITS; 3475eda8afdSAkeem G Abodunrin 3485eda8afdSAkeem G Abodunrin err = ice_cfg_promisc(vsi, promisc_m, false); 3495eda8afdSAkeem G Abodunrin if (err) { 3505eda8afdSAkeem G Abodunrin netdev_err(netdev, "Error clearing Multicast promiscuous mode on VSI %i\n", 3515eda8afdSAkeem G Abodunrin vsi->vsi_num); 3525eda8afdSAkeem G Abodunrin vsi->current_netdev_flags |= IFF_ALLMULTI; 3535eda8afdSAkeem G Abodunrin goto out_promisc; 3545eda8afdSAkeem G Abodunrin } 3555eda8afdSAkeem G Abodunrin } 3565eda8afdSAkeem G Abodunrin } 357e94d4478SAnirudh Venkataramanan 358e94d4478SAnirudh Venkataramanan if (((changed_flags & IFF_PROMISC) || promisc_forced_on) || 359e94d4478SAnirudh Venkataramanan test_bit(ICE_VSI_FLAG_PROMISC_CHANGED, vsi->flags)) { 360e94d4478SAnirudh Venkataramanan clear_bit(ICE_VSI_FLAG_PROMISC_CHANGED, vsi->flags); 361e94d4478SAnirudh Venkataramanan if (vsi->current_netdev_flags & IFF_PROMISC) { 362f9867df6SAnirudh Venkataramanan /* Apply Rx filter rule to get traffic from wire */ 363fc0f39bcSBrett Creeley if (!ice_is_dflt_vsi_in_use(pf->first_sw)) { 364fc0f39bcSBrett Creeley err = ice_set_dflt_vsi(pf->first_sw, vsi); 365fc0f39bcSBrett Creeley if (err && err != -EEXIST) { 36619cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Error %d setting default VSI %i Rx rule\n", 367fc0f39bcSBrett Creeley err, vsi->vsi_num); 368fc0f39bcSBrett Creeley vsi->current_netdev_flags &= 369fc0f39bcSBrett Creeley ~IFF_PROMISC; 370e94d4478SAnirudh Venkataramanan goto out_promisc; 371e94d4478SAnirudh Venkataramanan } 372fc0f39bcSBrett Creeley } 373e94d4478SAnirudh Venkataramanan } else { 374f9867df6SAnirudh Venkataramanan /* Clear Rx filter to remove traffic from wire */ 375fc0f39bcSBrett Creeley if (ice_is_vsi_dflt_vsi(pf->first_sw, vsi)) { 376fc0f39bcSBrett Creeley err = ice_clear_dflt_vsi(pf->first_sw); 377fc0f39bcSBrett Creeley if (err) { 37819cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Error %d clearing default VSI %i Rx rule\n", 379fc0f39bcSBrett Creeley err, vsi->vsi_num); 380fc0f39bcSBrett Creeley vsi->current_netdev_flags |= 381fc0f39bcSBrett Creeley IFF_PROMISC; 382e94d4478SAnirudh Venkataramanan goto out_promisc; 383e94d4478SAnirudh Venkataramanan } 384e94d4478SAnirudh Venkataramanan } 385e94d4478SAnirudh Venkataramanan } 386fc0f39bcSBrett Creeley } 387e94d4478SAnirudh Venkataramanan goto exit; 388e94d4478SAnirudh Venkataramanan 389e94d4478SAnirudh Venkataramanan out_promisc: 390e94d4478SAnirudh Venkataramanan set_bit(ICE_VSI_FLAG_PROMISC_CHANGED, vsi->flags); 391e94d4478SAnirudh Venkataramanan goto exit; 392e94d4478SAnirudh Venkataramanan out: 393e94d4478SAnirudh Venkataramanan /* if something went wrong then set the changed flag so we try again */ 394e94d4478SAnirudh Venkataramanan set_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags); 395e94d4478SAnirudh Venkataramanan set_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags); 396e94d4478SAnirudh Venkataramanan exit: 397e94d4478SAnirudh Venkataramanan clear_bit(__ICE_CFG_BUSY, vsi->state); 398e94d4478SAnirudh Venkataramanan return err; 399e94d4478SAnirudh Venkataramanan } 400e94d4478SAnirudh Venkataramanan 401e94d4478SAnirudh Venkataramanan /** 402e94d4478SAnirudh Venkataramanan * ice_sync_fltr_subtask - Sync the VSI filter list with HW 403e94d4478SAnirudh Venkataramanan * @pf: board private structure 404e94d4478SAnirudh Venkataramanan */ 405e94d4478SAnirudh Venkataramanan static void ice_sync_fltr_subtask(struct ice_pf *pf) 406e94d4478SAnirudh Venkataramanan { 407e94d4478SAnirudh Venkataramanan int v; 408e94d4478SAnirudh Venkataramanan 409e94d4478SAnirudh Venkataramanan if (!pf || !(test_bit(ICE_FLAG_FLTR_SYNC, pf->flags))) 410e94d4478SAnirudh Venkataramanan return; 411e94d4478SAnirudh Venkataramanan 412e94d4478SAnirudh Venkataramanan clear_bit(ICE_FLAG_FLTR_SYNC, pf->flags); 413e94d4478SAnirudh Venkataramanan 41480ed404aSBrett Creeley ice_for_each_vsi(pf, v) 415e94d4478SAnirudh Venkataramanan if (pf->vsi[v] && ice_vsi_fltr_changed(pf->vsi[v]) && 416e94d4478SAnirudh Venkataramanan ice_vsi_sync_fltr(pf->vsi[v])) { 417e94d4478SAnirudh Venkataramanan /* come back and try again later */ 418e94d4478SAnirudh Venkataramanan set_bit(ICE_FLAG_FLTR_SYNC, pf->flags); 419e94d4478SAnirudh Venkataramanan break; 420e94d4478SAnirudh Venkataramanan } 421e94d4478SAnirudh Venkataramanan } 422e94d4478SAnirudh Venkataramanan 423e94d4478SAnirudh Venkataramanan /** 4247b9ffc76SAnirudh Venkataramanan * ice_pf_dis_all_vsi - Pause all VSIs on a PF 4257b9ffc76SAnirudh Venkataramanan * @pf: the PF 4267b9ffc76SAnirudh Venkataramanan * @locked: is the rtnl_lock already held 4277b9ffc76SAnirudh Venkataramanan */ 4287b9ffc76SAnirudh Venkataramanan static void ice_pf_dis_all_vsi(struct ice_pf *pf, bool locked) 4297b9ffc76SAnirudh Venkataramanan { 4307b9ffc76SAnirudh Venkataramanan int v; 4317b9ffc76SAnirudh Venkataramanan 4327b9ffc76SAnirudh Venkataramanan ice_for_each_vsi(pf, v) 4337b9ffc76SAnirudh Venkataramanan if (pf->vsi[v]) 4347b9ffc76SAnirudh Venkataramanan ice_dis_vsi(pf->vsi[v], locked); 4357b9ffc76SAnirudh Venkataramanan } 4367b9ffc76SAnirudh Venkataramanan 4377b9ffc76SAnirudh Venkataramanan /** 4380b28b702SAnirudh Venkataramanan * ice_prepare_for_reset - prep for the core to reset 4390b28b702SAnirudh Venkataramanan * @pf: board private structure 4400b28b702SAnirudh Venkataramanan * 4410b28b702SAnirudh Venkataramanan * Inform or close all dependent features in prep for reset. 4420b28b702SAnirudh Venkataramanan */ 4430b28b702SAnirudh Venkataramanan static void 4440b28b702SAnirudh Venkataramanan ice_prepare_for_reset(struct ice_pf *pf) 4450b28b702SAnirudh Venkataramanan { 4460b28b702SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 447c1e08830SJesse Brandeburg unsigned int i; 4480b28b702SAnirudh Venkataramanan 4495abac9d7SBrett Creeley /* already prepared for reset */ 4505abac9d7SBrett Creeley if (test_bit(__ICE_PREPARED_FOR_RESET, pf->state)) 4515abac9d7SBrett Creeley return; 4525abac9d7SBrett Creeley 453007676b4SAnirudh Venkataramanan /* Notify VFs of impending reset */ 454007676b4SAnirudh Venkataramanan if (ice_check_sq_alive(hw, &hw->mailboxq)) 455007676b4SAnirudh Venkataramanan ice_vc_notify_reset(pf); 456007676b4SAnirudh Venkataramanan 457c7aeb4d1SAkeem G Abodunrin /* Disable VFs until reset is completed */ 458005881bcSBrett Creeley ice_for_each_vf(pf, i) 45977ca27c4SPaul Greenwalt ice_set_vf_state_qs_dis(&pf->vf[i]); 460c7aeb4d1SAkeem G Abodunrin 461462acf6aSTony Nguyen /* clear SW filtering DB */ 462462acf6aSTony Nguyen ice_clear_hw_tbls(hw); 4630b28b702SAnirudh Venkataramanan /* disable the VSIs and their queues that are not already DOWN */ 4647b9ffc76SAnirudh Venkataramanan ice_pf_dis_all_vsi(pf, false); 4650b28b702SAnirudh Venkataramanan 466c5a2a4a3SUsha Ketineni if (hw->port_info) 467c5a2a4a3SUsha Ketineni ice_sched_clear_port(hw->port_info); 468c5a2a4a3SUsha Ketineni 4690b28b702SAnirudh Venkataramanan ice_shutdown_all_ctrlq(hw); 4700f9d5027SAnirudh Venkataramanan 4710f9d5027SAnirudh Venkataramanan set_bit(__ICE_PREPARED_FOR_RESET, pf->state); 4720b28b702SAnirudh Venkataramanan } 4730b28b702SAnirudh Venkataramanan 4740b28b702SAnirudh Venkataramanan /** 4750b28b702SAnirudh Venkataramanan * ice_do_reset - Initiate one of many types of resets 4760b28b702SAnirudh Venkataramanan * @pf: board private structure 4770b28b702SAnirudh Venkataramanan * @reset_type: reset type requested 4780b28b702SAnirudh Venkataramanan * before this function was called. 4790b28b702SAnirudh Venkataramanan */ 4800b28b702SAnirudh Venkataramanan static void ice_do_reset(struct ice_pf *pf, enum ice_reset_req reset_type) 4810b28b702SAnirudh Venkataramanan { 4824015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 4830b28b702SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 4840b28b702SAnirudh Venkataramanan 4850b28b702SAnirudh Venkataramanan dev_dbg(dev, "reset_type 0x%x requested\n", reset_type); 4860b28b702SAnirudh Venkataramanan WARN_ON(in_interrupt()); 4870b28b702SAnirudh Venkataramanan 4880b28b702SAnirudh Venkataramanan ice_prepare_for_reset(pf); 4890b28b702SAnirudh Venkataramanan 4900b28b702SAnirudh Venkataramanan /* trigger the reset */ 4910b28b702SAnirudh Venkataramanan if (ice_reset(hw, reset_type)) { 4920b28b702SAnirudh Venkataramanan dev_err(dev, "reset %d failed\n", reset_type); 4930b28b702SAnirudh Venkataramanan set_bit(__ICE_RESET_FAILED, pf->state); 4945df7e45dSDave Ertman clear_bit(__ICE_RESET_OICR_RECV, pf->state); 4950f9d5027SAnirudh Venkataramanan clear_bit(__ICE_PREPARED_FOR_RESET, pf->state); 4965df7e45dSDave Ertman clear_bit(__ICE_PFR_REQ, pf->state); 4975df7e45dSDave Ertman clear_bit(__ICE_CORER_REQ, pf->state); 4985df7e45dSDave Ertman clear_bit(__ICE_GLOBR_REQ, pf->state); 4990b28b702SAnirudh Venkataramanan return; 5000b28b702SAnirudh Venkataramanan } 5010b28b702SAnirudh Venkataramanan 5020f9d5027SAnirudh Venkataramanan /* PFR is a bit of a special case because it doesn't result in an OICR 5030f9d5027SAnirudh Venkataramanan * interrupt. So for PFR, rebuild after the reset and clear the reset- 5040f9d5027SAnirudh Venkataramanan * associated state bits. 5050f9d5027SAnirudh Venkataramanan */ 5060b28b702SAnirudh Venkataramanan if (reset_type == ICE_RESET_PFR) { 5070b28b702SAnirudh Venkataramanan pf->pfr_count++; 508462acf6aSTony Nguyen ice_rebuild(pf, reset_type); 5090f9d5027SAnirudh Venkataramanan clear_bit(__ICE_PREPARED_FOR_RESET, pf->state); 5105df7e45dSDave Ertman clear_bit(__ICE_PFR_REQ, pf->state); 5111c44e3bcSAkeem G Abodunrin ice_reset_all_vfs(pf, true); 5120b28b702SAnirudh Venkataramanan } 5130b28b702SAnirudh Venkataramanan } 5140b28b702SAnirudh Venkataramanan 5150b28b702SAnirudh Venkataramanan /** 5160b28b702SAnirudh Venkataramanan * ice_reset_subtask - Set up for resetting the device and driver 5170b28b702SAnirudh Venkataramanan * @pf: board private structure 5180b28b702SAnirudh Venkataramanan */ 5190b28b702SAnirudh Venkataramanan static void ice_reset_subtask(struct ice_pf *pf) 5200b28b702SAnirudh Venkataramanan { 5210f9d5027SAnirudh Venkataramanan enum ice_reset_req reset_type = ICE_RESET_INVAL; 5220b28b702SAnirudh Venkataramanan 5230b28b702SAnirudh Venkataramanan /* When a CORER/GLOBR/EMPR is about to happen, the hardware triggers an 5240f9d5027SAnirudh Venkataramanan * OICR interrupt. The OICR handler (ice_misc_intr) determines what type 5250f9d5027SAnirudh Venkataramanan * of reset is pending and sets bits in pf->state indicating the reset 5265df7e45dSDave Ertman * type and __ICE_RESET_OICR_RECV. So, if the latter bit is set 5270f9d5027SAnirudh Venkataramanan * prepare for pending reset if not already (for PF software-initiated 5280f9d5027SAnirudh Venkataramanan * global resets the software should already be prepared for it as 5290f9d5027SAnirudh Venkataramanan * indicated by __ICE_PREPARED_FOR_RESET; for global resets initiated 5300f9d5027SAnirudh Venkataramanan * by firmware or software on other PFs, that bit is not set so prepare 5310f9d5027SAnirudh Venkataramanan * for the reset now), poll for reset done, rebuild and return. 5320b28b702SAnirudh Venkataramanan */ 5335df7e45dSDave Ertman if (test_bit(__ICE_RESET_OICR_RECV, pf->state)) { 5342ebd4428SDave Ertman /* Perform the largest reset requested */ 5352ebd4428SDave Ertman if (test_and_clear_bit(__ICE_CORER_RECV, pf->state)) 5362ebd4428SDave Ertman reset_type = ICE_RESET_CORER; 5372ebd4428SDave Ertman if (test_and_clear_bit(__ICE_GLOBR_RECV, pf->state)) 5382ebd4428SDave Ertman reset_type = ICE_RESET_GLOBR; 53903af8406SAnirudh Venkataramanan if (test_and_clear_bit(__ICE_EMPR_RECV, pf->state)) 54003af8406SAnirudh Venkataramanan reset_type = ICE_RESET_EMPR; 5412ebd4428SDave Ertman /* return if no valid reset type requested */ 5422ebd4428SDave Ertman if (reset_type == ICE_RESET_INVAL) 5432ebd4428SDave Ertman return; 5440b28b702SAnirudh Venkataramanan ice_prepare_for_reset(pf); 5450b28b702SAnirudh Venkataramanan 5460b28b702SAnirudh Venkataramanan /* make sure we are ready to rebuild */ 547fd2a9817SAnirudh Venkataramanan if (ice_check_reset(&pf->hw)) { 5480b28b702SAnirudh Venkataramanan set_bit(__ICE_RESET_FAILED, pf->state); 549fd2a9817SAnirudh Venkataramanan } else { 550fd2a9817SAnirudh Venkataramanan /* done with reset. start rebuild */ 551fd2a9817SAnirudh Venkataramanan pf->hw.reset_ongoing = false; 552462acf6aSTony Nguyen ice_rebuild(pf, reset_type); 5530f9d5027SAnirudh Venkataramanan /* clear bit to resume normal operations, but 5540f9d5027SAnirudh Venkataramanan * ICE_NEEDS_RESTART bit is set in case rebuild failed 5550f9d5027SAnirudh Venkataramanan */ 5565df7e45dSDave Ertman clear_bit(__ICE_RESET_OICR_RECV, pf->state); 5570f9d5027SAnirudh Venkataramanan clear_bit(__ICE_PREPARED_FOR_RESET, pf->state); 5585df7e45dSDave Ertman clear_bit(__ICE_PFR_REQ, pf->state); 5595df7e45dSDave Ertman clear_bit(__ICE_CORER_REQ, pf->state); 5605df7e45dSDave Ertman clear_bit(__ICE_GLOBR_REQ, pf->state); 5611c44e3bcSAkeem G Abodunrin ice_reset_all_vfs(pf, true); 5620f9d5027SAnirudh Venkataramanan } 5630f9d5027SAnirudh Venkataramanan 5640f9d5027SAnirudh Venkataramanan return; 5650b28b702SAnirudh Venkataramanan } 5660b28b702SAnirudh Venkataramanan 5670b28b702SAnirudh Venkataramanan /* No pending resets to finish processing. Check for new resets */ 5685df7e45dSDave Ertman if (test_bit(__ICE_PFR_REQ, pf->state)) 5690f9d5027SAnirudh Venkataramanan reset_type = ICE_RESET_PFR; 5705df7e45dSDave Ertman if (test_bit(__ICE_CORER_REQ, pf->state)) 5710f9d5027SAnirudh Venkataramanan reset_type = ICE_RESET_CORER; 5725df7e45dSDave Ertman if (test_bit(__ICE_GLOBR_REQ, pf->state)) 5730b28b702SAnirudh Venkataramanan reset_type = ICE_RESET_GLOBR; 5740f9d5027SAnirudh Venkataramanan /* If no valid reset type requested just return */ 5750f9d5027SAnirudh Venkataramanan if (reset_type == ICE_RESET_INVAL) 5760f9d5027SAnirudh Venkataramanan return; 5770b28b702SAnirudh Venkataramanan 5780f9d5027SAnirudh Venkataramanan /* reset if not already down or busy */ 5790b28b702SAnirudh Venkataramanan if (!test_bit(__ICE_DOWN, pf->state) && 5800b28b702SAnirudh Venkataramanan !test_bit(__ICE_CFG_BUSY, pf->state)) { 5810b28b702SAnirudh Venkataramanan ice_do_reset(pf, reset_type); 5820b28b702SAnirudh Venkataramanan } 5830b28b702SAnirudh Venkataramanan } 5840b28b702SAnirudh Venkataramanan 5850b28b702SAnirudh Venkataramanan /** 5862e0ab37cSJesse Brandeburg * ice_print_topo_conflict - print topology conflict message 5872e0ab37cSJesse Brandeburg * @vsi: the VSI whose topology status is being checked 5882e0ab37cSJesse Brandeburg */ 5892e0ab37cSJesse Brandeburg static void ice_print_topo_conflict(struct ice_vsi *vsi) 5902e0ab37cSJesse Brandeburg { 5912e0ab37cSJesse Brandeburg switch (vsi->port_info->phy.link_info.topo_media_conflict) { 5922e0ab37cSJesse Brandeburg case ICE_AQ_LINK_TOPO_CONFLICT: 5932e0ab37cSJesse Brandeburg case ICE_AQ_LINK_MEDIA_CONFLICT: 5945878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNREACH_PRT: 5955878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNDRUTIL_PRT: 5965878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNDRUTIL_MEDIA: 5972e0ab37cSJesse 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"); 5982e0ab37cSJesse Brandeburg break; 5995878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNSUPP_MEDIA: 6005878589dSPaul 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"); 6015878589dSPaul Greenwalt break; 6022e0ab37cSJesse Brandeburg default: 6032e0ab37cSJesse Brandeburg break; 6042e0ab37cSJesse Brandeburg } 6052e0ab37cSJesse Brandeburg } 6062e0ab37cSJesse Brandeburg 6072e0ab37cSJesse Brandeburg /** 608cdedef59SAnirudh Venkataramanan * ice_print_link_msg - print link up or down message 609cdedef59SAnirudh Venkataramanan * @vsi: the VSI whose link status is being queried 610cdedef59SAnirudh Venkataramanan * @isup: boolean for if the link is now up or down 611cdedef59SAnirudh Venkataramanan */ 612fcea6f3dSAnirudh Venkataramanan void ice_print_link_msg(struct ice_vsi *vsi, bool isup) 613cdedef59SAnirudh Venkataramanan { 614f776b3acSPaul Greenwalt struct ice_aqc_get_phy_caps_data *caps; 6155ee30564SPaul Greenwalt const char *an_advertised; 616f776b3acSPaul Greenwalt enum ice_status status; 617f776b3acSPaul Greenwalt const char *fec_req; 618cdedef59SAnirudh Venkataramanan const char *speed; 619f776b3acSPaul Greenwalt const char *fec; 620cdedef59SAnirudh Venkataramanan const char *fc; 62143260988SJesse Brandeburg const char *an; 622cdedef59SAnirudh Venkataramanan 623c2a23e00SBrett Creeley if (!vsi) 624c2a23e00SBrett Creeley return; 625c2a23e00SBrett Creeley 626cdedef59SAnirudh Venkataramanan if (vsi->current_isup == isup) 627cdedef59SAnirudh Venkataramanan return; 628cdedef59SAnirudh Venkataramanan 629cdedef59SAnirudh Venkataramanan vsi->current_isup = isup; 630cdedef59SAnirudh Venkataramanan 631cdedef59SAnirudh Venkataramanan if (!isup) { 632cdedef59SAnirudh Venkataramanan netdev_info(vsi->netdev, "NIC Link is Down\n"); 633cdedef59SAnirudh Venkataramanan return; 634cdedef59SAnirudh Venkataramanan } 635cdedef59SAnirudh Venkataramanan 636cdedef59SAnirudh Venkataramanan switch (vsi->port_info->phy.link_info.link_speed) { 637072efdf8SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_100GB: 638072efdf8SAnirudh Venkataramanan speed = "100 G"; 639072efdf8SAnirudh Venkataramanan break; 640072efdf8SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_50GB: 641072efdf8SAnirudh Venkataramanan speed = "50 G"; 642072efdf8SAnirudh Venkataramanan break; 643cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_40GB: 644cdedef59SAnirudh Venkataramanan speed = "40 G"; 645cdedef59SAnirudh Venkataramanan break; 646cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_25GB: 647cdedef59SAnirudh Venkataramanan speed = "25 G"; 648cdedef59SAnirudh Venkataramanan break; 649cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_20GB: 650cdedef59SAnirudh Venkataramanan speed = "20 G"; 651cdedef59SAnirudh Venkataramanan break; 652cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_10GB: 653cdedef59SAnirudh Venkataramanan speed = "10 G"; 654cdedef59SAnirudh Venkataramanan break; 655cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_5GB: 656cdedef59SAnirudh Venkataramanan speed = "5 G"; 657cdedef59SAnirudh Venkataramanan break; 658cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_2500MB: 659cdedef59SAnirudh Venkataramanan speed = "2.5 G"; 660cdedef59SAnirudh Venkataramanan break; 661cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_1000MB: 662cdedef59SAnirudh Venkataramanan speed = "1 G"; 663cdedef59SAnirudh Venkataramanan break; 664cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_100MB: 665cdedef59SAnirudh Venkataramanan speed = "100 M"; 666cdedef59SAnirudh Venkataramanan break; 667cdedef59SAnirudh Venkataramanan default: 668cdedef59SAnirudh Venkataramanan speed = "Unknown"; 669cdedef59SAnirudh Venkataramanan break; 670cdedef59SAnirudh Venkataramanan } 671cdedef59SAnirudh Venkataramanan 672cdedef59SAnirudh Venkataramanan switch (vsi->port_info->fc.current_mode) { 673cdedef59SAnirudh Venkataramanan case ICE_FC_FULL: 6742f2da36eSAnirudh Venkataramanan fc = "Rx/Tx"; 675cdedef59SAnirudh Venkataramanan break; 676cdedef59SAnirudh Venkataramanan case ICE_FC_TX_PAUSE: 6772f2da36eSAnirudh Venkataramanan fc = "Tx"; 678cdedef59SAnirudh Venkataramanan break; 679cdedef59SAnirudh Venkataramanan case ICE_FC_RX_PAUSE: 6802f2da36eSAnirudh Venkataramanan fc = "Rx"; 681cdedef59SAnirudh Venkataramanan break; 682203a068aSBrett Creeley case ICE_FC_NONE: 683203a068aSBrett Creeley fc = "None"; 684203a068aSBrett Creeley break; 685cdedef59SAnirudh Venkataramanan default: 686cdedef59SAnirudh Venkataramanan fc = "Unknown"; 687cdedef59SAnirudh Venkataramanan break; 688cdedef59SAnirudh Venkataramanan } 689cdedef59SAnirudh Venkataramanan 690f776b3acSPaul Greenwalt /* Get FEC mode based on negotiated link info */ 691f776b3acSPaul Greenwalt switch (vsi->port_info->phy.link_info.fec_info) { 692f776b3acSPaul Greenwalt case ICE_AQ_LINK_25G_RS_528_FEC_EN: 693f776b3acSPaul Greenwalt case ICE_AQ_LINK_25G_RS_544_FEC_EN: 694f776b3acSPaul Greenwalt fec = "RS-FEC"; 695f776b3acSPaul Greenwalt break; 696f776b3acSPaul Greenwalt case ICE_AQ_LINK_25G_KR_FEC_EN: 697f776b3acSPaul Greenwalt fec = "FC-FEC/BASE-R"; 698f776b3acSPaul Greenwalt break; 699f776b3acSPaul Greenwalt default: 700f776b3acSPaul Greenwalt fec = "NONE"; 701f776b3acSPaul Greenwalt break; 702f776b3acSPaul Greenwalt } 703f776b3acSPaul Greenwalt 70443260988SJesse Brandeburg /* check if autoneg completed, might be false due to not supported */ 70543260988SJesse Brandeburg if (vsi->port_info->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) 70643260988SJesse Brandeburg an = "True"; 70743260988SJesse Brandeburg else 70843260988SJesse Brandeburg an = "False"; 70943260988SJesse Brandeburg 710f776b3acSPaul Greenwalt /* Get FEC mode requested based on PHY caps last SW configuration */ 7119efe35d0STony Nguyen caps = kzalloc(sizeof(*caps), GFP_KERNEL); 712f776b3acSPaul Greenwalt if (!caps) { 713f776b3acSPaul Greenwalt fec_req = "Unknown"; 7145ee30564SPaul Greenwalt an_advertised = "Unknown"; 715f776b3acSPaul Greenwalt goto done; 716f776b3acSPaul Greenwalt } 717f776b3acSPaul Greenwalt 718f776b3acSPaul Greenwalt status = ice_aq_get_phy_caps(vsi->port_info, false, 719f776b3acSPaul Greenwalt ICE_AQC_REPORT_SW_CFG, caps, NULL); 720f776b3acSPaul Greenwalt if (status) 721f776b3acSPaul Greenwalt netdev_info(vsi->netdev, "Get phy capability failed.\n"); 722f776b3acSPaul Greenwalt 7235ee30564SPaul Greenwalt an_advertised = ice_is_phy_caps_an_enabled(caps) ? "On" : "Off"; 7245ee30564SPaul Greenwalt 725f776b3acSPaul Greenwalt if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 726f776b3acSPaul Greenwalt caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 727f776b3acSPaul Greenwalt fec_req = "RS-FEC"; 728f776b3acSPaul Greenwalt else if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 729f776b3acSPaul Greenwalt caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 730f776b3acSPaul Greenwalt fec_req = "FC-FEC/BASE-R"; 731f776b3acSPaul Greenwalt else 732f776b3acSPaul Greenwalt fec_req = "NONE"; 733f776b3acSPaul Greenwalt 7349efe35d0STony Nguyen kfree(caps); 735f776b3acSPaul Greenwalt 736f776b3acSPaul Greenwalt done: 7375ee30564SPaul 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", 7385ee30564SPaul Greenwalt speed, fec_req, fec, an_advertised, an, fc); 7392e0ab37cSJesse Brandeburg ice_print_topo_conflict(vsi); 740cdedef59SAnirudh Venkataramanan } 741cdedef59SAnirudh Venkataramanan 742cdedef59SAnirudh Venkataramanan /** 743f9867df6SAnirudh Venkataramanan * ice_vsi_link_event - update the VSI's netdev 744f9867df6SAnirudh Venkataramanan * @vsi: the VSI on which the link event occurred 745f9867df6SAnirudh Venkataramanan * @link_up: whether or not the VSI needs to be set up or down 7460b28b702SAnirudh Venkataramanan */ 7470b28b702SAnirudh Venkataramanan static void ice_vsi_link_event(struct ice_vsi *vsi, bool link_up) 7480b28b702SAnirudh Venkataramanan { 749c2a23e00SBrett Creeley if (!vsi) 750c2a23e00SBrett Creeley return; 751c2a23e00SBrett Creeley 752c2a23e00SBrett Creeley if (test_bit(__ICE_DOWN, vsi->state) || !vsi->netdev) 7530b28b702SAnirudh Venkataramanan return; 7540b28b702SAnirudh Venkataramanan 7550b28b702SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF) { 756c2a23e00SBrett Creeley if (link_up == netif_carrier_ok(vsi->netdev)) 7570b28b702SAnirudh Venkataramanan return; 758c2a23e00SBrett Creeley 7590b28b702SAnirudh Venkataramanan if (link_up) { 7600b28b702SAnirudh Venkataramanan netif_carrier_on(vsi->netdev); 7610b28b702SAnirudh Venkataramanan netif_tx_wake_all_queues(vsi->netdev); 7620b28b702SAnirudh Venkataramanan } else { 7630b28b702SAnirudh Venkataramanan netif_carrier_off(vsi->netdev); 7640b28b702SAnirudh Venkataramanan netif_tx_stop_all_queues(vsi->netdev); 7650b28b702SAnirudh Venkataramanan } 7660b28b702SAnirudh Venkataramanan } 7670b28b702SAnirudh Venkataramanan } 7680b28b702SAnirudh Venkataramanan 7690b28b702SAnirudh Venkataramanan /** 7707d9c9b79SDave Ertman * ice_set_dflt_mib - send a default config MIB to the FW 7717d9c9b79SDave Ertman * @pf: private PF struct 7727d9c9b79SDave Ertman * 7737d9c9b79SDave Ertman * This function sends a default configuration MIB to the FW. 7747d9c9b79SDave Ertman * 7757d9c9b79SDave Ertman * If this function errors out at any point, the driver is still able to 7767d9c9b79SDave Ertman * function. The main impact is that LFC may not operate as expected. 7777d9c9b79SDave Ertman * Therefore an error state in this function should be treated with a DBG 7787d9c9b79SDave Ertman * message and continue on with driver rebuild/reenable. 7797d9c9b79SDave Ertman */ 7807d9c9b79SDave Ertman static void ice_set_dflt_mib(struct ice_pf *pf) 7817d9c9b79SDave Ertman { 7827d9c9b79SDave Ertman struct device *dev = ice_pf_to_dev(pf); 7837d9c9b79SDave Ertman u8 mib_type, *buf, *lldpmib = NULL; 7847d9c9b79SDave Ertman u16 len, typelen, offset = 0; 7857d9c9b79SDave Ertman struct ice_lldp_org_tlv *tlv; 7867d9c9b79SDave Ertman struct ice_hw *hw; 7877d9c9b79SDave Ertman u32 ouisubtype; 7887d9c9b79SDave Ertman 7897d9c9b79SDave Ertman if (!pf) { 7907d9c9b79SDave Ertman dev_dbg(dev, "%s NULL pf pointer\n", __func__); 7917d9c9b79SDave Ertman return; 7927d9c9b79SDave Ertman } 7937d9c9b79SDave Ertman 7947d9c9b79SDave Ertman hw = &pf->hw; 7957d9c9b79SDave Ertman mib_type = SET_LOCAL_MIB_TYPE_LOCAL_MIB; 7967d9c9b79SDave Ertman lldpmib = kzalloc(ICE_LLDPDU_SIZE, GFP_KERNEL); 7977d9c9b79SDave Ertman if (!lldpmib) { 7987d9c9b79SDave Ertman dev_dbg(dev, "%s Failed to allocate MIB memory\n", 7997d9c9b79SDave Ertman __func__); 8007d9c9b79SDave Ertman return; 8017d9c9b79SDave Ertman } 8027d9c9b79SDave Ertman 8037d9c9b79SDave Ertman /* Add ETS CFG TLV */ 8047d9c9b79SDave Ertman tlv = (struct ice_lldp_org_tlv *)lldpmib; 8057d9c9b79SDave Ertman typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | 8067d9c9b79SDave Ertman ICE_IEEE_ETS_TLV_LEN); 8077d9c9b79SDave Ertman tlv->typelen = htons(typelen); 8087d9c9b79SDave Ertman ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 8097d9c9b79SDave Ertman ICE_IEEE_SUBTYPE_ETS_CFG); 8107d9c9b79SDave Ertman tlv->ouisubtype = htonl(ouisubtype); 8117d9c9b79SDave Ertman 8127d9c9b79SDave Ertman buf = tlv->tlvinfo; 8137d9c9b79SDave Ertman buf[0] = 0; 8147d9c9b79SDave Ertman 8157d9c9b79SDave Ertman /* ETS CFG all UPs map to TC 0. Next 4 (1 - 4) Octets = 0. 8167d9c9b79SDave Ertman * Octets 5 - 12 are BW values, set octet 5 to 100% BW. 8177d9c9b79SDave Ertman * Octets 13 - 20 are TSA values - leave as zeros 8187d9c9b79SDave Ertman */ 8197d9c9b79SDave Ertman buf[5] = 0x64; 8207d9c9b79SDave Ertman len = (typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S; 8217d9c9b79SDave Ertman offset += len + 2; 8227d9c9b79SDave Ertman tlv = (struct ice_lldp_org_tlv *) 8237d9c9b79SDave Ertman ((char *)tlv + sizeof(tlv->typelen) + len); 8247d9c9b79SDave Ertman 8257d9c9b79SDave Ertman /* Add ETS REC TLV */ 8267d9c9b79SDave Ertman buf = tlv->tlvinfo; 8277d9c9b79SDave Ertman tlv->typelen = htons(typelen); 8287d9c9b79SDave Ertman 8297d9c9b79SDave Ertman ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 8307d9c9b79SDave Ertman ICE_IEEE_SUBTYPE_ETS_REC); 8317d9c9b79SDave Ertman tlv->ouisubtype = htonl(ouisubtype); 8327d9c9b79SDave Ertman 8337d9c9b79SDave Ertman /* First octet of buf is reserved 8347d9c9b79SDave Ertman * Octets 1 - 4 map UP to TC - all UPs map to zero 8357d9c9b79SDave Ertman * Octets 5 - 12 are BW values - set TC 0 to 100%. 8367d9c9b79SDave Ertman * Octets 13 - 20 are TSA value - leave as zeros 8377d9c9b79SDave Ertman */ 8387d9c9b79SDave Ertman buf[5] = 0x64; 8397d9c9b79SDave Ertman offset += len + 2; 8407d9c9b79SDave Ertman tlv = (struct ice_lldp_org_tlv *) 8417d9c9b79SDave Ertman ((char *)tlv + sizeof(tlv->typelen) + len); 8427d9c9b79SDave Ertman 8437d9c9b79SDave Ertman /* Add PFC CFG TLV */ 8447d9c9b79SDave Ertman typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | 8457d9c9b79SDave Ertman ICE_IEEE_PFC_TLV_LEN); 8467d9c9b79SDave Ertman tlv->typelen = htons(typelen); 8477d9c9b79SDave Ertman 8487d9c9b79SDave Ertman ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 8497d9c9b79SDave Ertman ICE_IEEE_SUBTYPE_PFC_CFG); 8507d9c9b79SDave Ertman tlv->ouisubtype = htonl(ouisubtype); 8517d9c9b79SDave Ertman 8527d9c9b79SDave Ertman /* Octet 1 left as all zeros - PFC disabled */ 8537d9c9b79SDave Ertman buf[0] = 0x08; 8547d9c9b79SDave Ertman len = (typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S; 8557d9c9b79SDave Ertman offset += len + 2; 8567d9c9b79SDave Ertman 8577d9c9b79SDave Ertman if (ice_aq_set_lldp_mib(hw, mib_type, (void *)lldpmib, offset, NULL)) 8587d9c9b79SDave Ertman dev_dbg(dev, "%s Failed to set default LLDP MIB\n", __func__); 8597d9c9b79SDave Ertman 8607d9c9b79SDave Ertman kfree(lldpmib); 8617d9c9b79SDave Ertman } 8627d9c9b79SDave Ertman 8637d9c9b79SDave Ertman /** 8640b28b702SAnirudh Venkataramanan * ice_link_event - process the link event 8652f2da36eSAnirudh Venkataramanan * @pf: PF that the link event is associated with 8660b28b702SAnirudh Venkataramanan * @pi: port_info for the port that the link event is associated with 867c2a23e00SBrett Creeley * @link_up: true if the physical link is up and false if it is down 868c2a23e00SBrett Creeley * @link_speed: current link speed received from the link event 8690b28b702SAnirudh Venkataramanan * 870c2a23e00SBrett Creeley * Returns 0 on success and negative on failure 8710b28b702SAnirudh Venkataramanan */ 8720b28b702SAnirudh Venkataramanan static int 873c2a23e00SBrett Creeley ice_link_event(struct ice_pf *pf, struct ice_port_info *pi, bool link_up, 874c2a23e00SBrett Creeley u16 link_speed) 8750b28b702SAnirudh Venkataramanan { 8764015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 8770b28b702SAnirudh Venkataramanan struct ice_phy_info *phy_info; 878c2a23e00SBrett Creeley struct ice_vsi *vsi; 879c2a23e00SBrett Creeley u16 old_link_speed; 880c2a23e00SBrett Creeley bool old_link; 881c2a23e00SBrett Creeley int result; 8820b28b702SAnirudh Venkataramanan 8830b28b702SAnirudh Venkataramanan phy_info = &pi->phy; 8840b28b702SAnirudh Venkataramanan phy_info->link_info_old = phy_info->link_info; 8850b28b702SAnirudh Venkataramanan 886c2a23e00SBrett Creeley old_link = !!(phy_info->link_info_old.link_info & ICE_AQ_LINK_UP); 8870b28b702SAnirudh Venkataramanan old_link_speed = phy_info->link_info_old.link_speed; 8880b28b702SAnirudh Venkataramanan 889c2a23e00SBrett Creeley /* update the link info structures and re-enable link events, 890c2a23e00SBrett Creeley * don't bail on failure due to other book keeping needed 891c2a23e00SBrett Creeley */ 892c2a23e00SBrett Creeley result = ice_update_link_info(pi); 893c2a23e00SBrett Creeley if (result) 89419cce2c6SAnirudh Venkataramanan dev_dbg(dev, "Failed to update link status and re-enable link events for port %d\n", 895c2a23e00SBrett Creeley pi->lport); 8960b28b702SAnirudh Venkataramanan 8970ce6c34aSDave Ertman /* Check if the link state is up after updating link info, and treat 8980ce6c34aSDave Ertman * this event as an UP event since the link is actually UP now. 8990ce6c34aSDave Ertman */ 9000ce6c34aSDave Ertman if (phy_info->link_info.link_info & ICE_AQ_LINK_UP) 9010ce6c34aSDave Ertman link_up = true; 9020ce6c34aSDave Ertman 903208ff751SAnirudh Venkataramanan vsi = ice_get_main_vsi(pf); 9040b28b702SAnirudh Venkataramanan if (!vsi || !vsi->port_info) 905c2a23e00SBrett Creeley return -EINVAL; 9060b28b702SAnirudh Venkataramanan 9076d599946STony Nguyen /* turn off PHY if media was removed */ 9086d599946STony Nguyen if (!test_bit(ICE_FLAG_NO_MEDIA, pf->flags) && 9096d599946STony Nguyen !(pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE)) { 9106d599946STony Nguyen set_bit(ICE_FLAG_NO_MEDIA, pf->flags); 9116d599946STony Nguyen 9126d599946STony Nguyen result = ice_aq_set_link_restart_an(pi, false, NULL); 9136d599946STony Nguyen if (result) { 91419cce2c6SAnirudh Venkataramanan dev_dbg(dev, "Failed to set link down, VSI %d error %d\n", 9156d599946STony Nguyen vsi->vsi_num, result); 9166d599946STony Nguyen return result; 9176d599946STony Nguyen } 9186d599946STony Nguyen } 9196d599946STony Nguyen 9201a3571b5SPaul Greenwalt /* if the old link up/down and speed is the same as the new */ 9211a3571b5SPaul Greenwalt if (link_up == old_link && link_speed == old_link_speed) 9221a3571b5SPaul Greenwalt return result; 9231a3571b5SPaul Greenwalt 9247d9c9b79SDave Ertman if (ice_is_dcb_active(pf)) { 9257d9c9b79SDave Ertman if (test_bit(ICE_FLAG_DCB_ENA, pf->flags)) 926242b5e06SDave Ertman ice_dcb_rebuild(pf); 9277d9c9b79SDave Ertman } else { 9287d9c9b79SDave Ertman if (link_up) 9297d9c9b79SDave Ertman ice_set_dflt_mib(pf); 9307d9c9b79SDave Ertman } 931c2a23e00SBrett Creeley ice_vsi_link_event(vsi, link_up); 932c2a23e00SBrett Creeley ice_print_link_msg(vsi, link_up); 9330b28b702SAnirudh Venkataramanan 93453b8decbSAnirudh Venkataramanan ice_vc_notify_link_state(pf); 93553b8decbSAnirudh Venkataramanan 936c2a23e00SBrett Creeley return result; 9370b28b702SAnirudh Venkataramanan } 9380b28b702SAnirudh Venkataramanan 9390b28b702SAnirudh Venkataramanan /** 9404f4be03bSAnirudh Venkataramanan * ice_watchdog_subtask - periodic tasks not using event driven scheduling 9414f4be03bSAnirudh Venkataramanan * @pf: board private structure 9420b28b702SAnirudh Venkataramanan */ 9434f4be03bSAnirudh Venkataramanan static void ice_watchdog_subtask(struct ice_pf *pf) 9440b28b702SAnirudh Venkataramanan { 9454f4be03bSAnirudh Venkataramanan int i; 9460b28b702SAnirudh Venkataramanan 9474f4be03bSAnirudh Venkataramanan /* if interface is down do nothing */ 9484f4be03bSAnirudh Venkataramanan if (test_bit(__ICE_DOWN, pf->state) || 9494f4be03bSAnirudh Venkataramanan test_bit(__ICE_CFG_BUSY, pf->state)) 9504f4be03bSAnirudh Venkataramanan return; 9510b28b702SAnirudh Venkataramanan 9524f4be03bSAnirudh Venkataramanan /* make sure we don't do these things too often */ 9534f4be03bSAnirudh Venkataramanan if (time_before(jiffies, 9544f4be03bSAnirudh Venkataramanan pf->serv_tmr_prev + pf->serv_tmr_period)) 9554f4be03bSAnirudh Venkataramanan return; 9560b28b702SAnirudh Venkataramanan 9574f4be03bSAnirudh Venkataramanan pf->serv_tmr_prev = jiffies; 9584f4be03bSAnirudh Venkataramanan 9594f4be03bSAnirudh Venkataramanan /* Update the stats for active netdevs so the network stack 9604f4be03bSAnirudh Venkataramanan * can look at updated numbers whenever it cares to 9614f4be03bSAnirudh Venkataramanan */ 9624f4be03bSAnirudh Venkataramanan ice_update_pf_stats(pf); 96380ed404aSBrett Creeley ice_for_each_vsi(pf, i) 9644f4be03bSAnirudh Venkataramanan if (pf->vsi[i] && pf->vsi[i]->netdev) 9654f4be03bSAnirudh Venkataramanan ice_update_vsi_stats(pf->vsi[i]); 9660b28b702SAnirudh Venkataramanan } 9670b28b702SAnirudh Venkataramanan 9680b28b702SAnirudh Venkataramanan /** 969250c3b3eSBrett Creeley * ice_init_link_events - enable/initialize link events 970250c3b3eSBrett Creeley * @pi: pointer to the port_info instance 971250c3b3eSBrett Creeley * 972250c3b3eSBrett Creeley * Returns -EIO on failure, 0 on success 973250c3b3eSBrett Creeley */ 974250c3b3eSBrett Creeley static int ice_init_link_events(struct ice_port_info *pi) 975250c3b3eSBrett Creeley { 976250c3b3eSBrett Creeley u16 mask; 977250c3b3eSBrett Creeley 978250c3b3eSBrett Creeley mask = ~((u16)(ICE_AQ_LINK_EVENT_UPDOWN | ICE_AQ_LINK_EVENT_MEDIA_NA | 979250c3b3eSBrett Creeley ICE_AQ_LINK_EVENT_MODULE_QUAL_FAIL)); 980250c3b3eSBrett Creeley 981250c3b3eSBrett Creeley if (ice_aq_set_event_mask(pi->hw, pi->lport, mask, NULL)) { 98219cce2c6SAnirudh Venkataramanan dev_dbg(ice_hw_to_dev(pi->hw), "Failed to set link event mask for port %d\n", 983250c3b3eSBrett Creeley pi->lport); 984250c3b3eSBrett Creeley return -EIO; 985250c3b3eSBrett Creeley } 986250c3b3eSBrett Creeley 987250c3b3eSBrett Creeley if (ice_aq_get_link_info(pi, true, NULL, NULL)) { 98819cce2c6SAnirudh Venkataramanan dev_dbg(ice_hw_to_dev(pi->hw), "Failed to enable link events for port %d\n", 989250c3b3eSBrett Creeley pi->lport); 990250c3b3eSBrett Creeley return -EIO; 991250c3b3eSBrett Creeley } 992250c3b3eSBrett Creeley 993250c3b3eSBrett Creeley return 0; 994250c3b3eSBrett Creeley } 995250c3b3eSBrett Creeley 996250c3b3eSBrett Creeley /** 997250c3b3eSBrett Creeley * ice_handle_link_event - handle link event via ARQ 9982f2da36eSAnirudh Venkataramanan * @pf: PF that the link event is associated with 999c2a23e00SBrett Creeley * @event: event structure containing link status info 1000250c3b3eSBrett Creeley */ 1001c2a23e00SBrett Creeley static int 1002c2a23e00SBrett Creeley ice_handle_link_event(struct ice_pf *pf, struct ice_rq_event_info *event) 1003250c3b3eSBrett Creeley { 1004c2a23e00SBrett Creeley struct ice_aqc_get_link_status_data *link_data; 1005250c3b3eSBrett Creeley struct ice_port_info *port_info; 1006250c3b3eSBrett Creeley int status; 1007250c3b3eSBrett Creeley 1008c2a23e00SBrett Creeley link_data = (struct ice_aqc_get_link_status_data *)event->msg_buf; 1009250c3b3eSBrett Creeley port_info = pf->hw.port_info; 1010250c3b3eSBrett Creeley if (!port_info) 1011250c3b3eSBrett Creeley return -EINVAL; 1012250c3b3eSBrett Creeley 1013c2a23e00SBrett Creeley status = ice_link_event(pf, port_info, 1014c2a23e00SBrett Creeley !!(link_data->link_info & ICE_AQ_LINK_UP), 1015c2a23e00SBrett Creeley le16_to_cpu(link_data->link_speed)); 1016250c3b3eSBrett Creeley if (status) 101719cce2c6SAnirudh Venkataramanan dev_dbg(ice_pf_to_dev(pf), "Could not process link event, error %d\n", 101819cce2c6SAnirudh Venkataramanan status); 1019250c3b3eSBrett Creeley 1020250c3b3eSBrett Creeley return status; 1021250c3b3eSBrett Creeley } 1022250c3b3eSBrett Creeley 1023d69ea414SJacob Keller enum ice_aq_task_state { 1024d69ea414SJacob Keller ICE_AQ_TASK_WAITING = 0, 1025d69ea414SJacob Keller ICE_AQ_TASK_COMPLETE, 1026d69ea414SJacob Keller ICE_AQ_TASK_CANCELED, 1027d69ea414SJacob Keller }; 1028d69ea414SJacob Keller 1029d69ea414SJacob Keller struct ice_aq_task { 1030d69ea414SJacob Keller struct hlist_node entry; 1031d69ea414SJacob Keller 1032d69ea414SJacob Keller u16 opcode; 1033d69ea414SJacob Keller struct ice_rq_event_info *event; 1034d69ea414SJacob Keller enum ice_aq_task_state state; 1035d69ea414SJacob Keller }; 1036d69ea414SJacob Keller 1037d69ea414SJacob Keller /** 1038d69ea414SJacob Keller * ice_wait_for_aq_event - Wait for an AdminQ event from firmware 1039d69ea414SJacob Keller * @pf: pointer to the PF private structure 1040d69ea414SJacob Keller * @opcode: the opcode to wait for 1041d69ea414SJacob Keller * @timeout: how long to wait, in jiffies 1042d69ea414SJacob Keller * @event: storage for the event info 1043d69ea414SJacob Keller * 1044d69ea414SJacob Keller * Waits for a specific AdminQ completion event on the ARQ for a given PF. The 1045d69ea414SJacob Keller * current thread will be put to sleep until the specified event occurs or 1046d69ea414SJacob Keller * until the given timeout is reached. 1047d69ea414SJacob Keller * 1048d69ea414SJacob Keller * To obtain only the descriptor contents, pass an event without an allocated 1049d69ea414SJacob Keller * msg_buf. If the complete data buffer is desired, allocate the 1050d69ea414SJacob Keller * event->msg_buf with enough space ahead of time. 1051d69ea414SJacob Keller * 1052d69ea414SJacob Keller * Returns: zero on success, or a negative error code on failure. 1053d69ea414SJacob Keller */ 1054d69ea414SJacob Keller int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout, 1055d69ea414SJacob Keller struct ice_rq_event_info *event) 1056d69ea414SJacob Keller { 1057d69ea414SJacob Keller struct ice_aq_task *task; 1058d69ea414SJacob Keller long ret; 1059d69ea414SJacob Keller int err; 1060d69ea414SJacob Keller 1061d69ea414SJacob Keller task = kzalloc(sizeof(*task), GFP_KERNEL); 1062d69ea414SJacob Keller if (!task) 1063d69ea414SJacob Keller return -ENOMEM; 1064d69ea414SJacob Keller 1065d69ea414SJacob Keller INIT_HLIST_NODE(&task->entry); 1066d69ea414SJacob Keller task->opcode = opcode; 1067d69ea414SJacob Keller task->event = event; 1068d69ea414SJacob Keller task->state = ICE_AQ_TASK_WAITING; 1069d69ea414SJacob Keller 1070d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1071d69ea414SJacob Keller hlist_add_head(&task->entry, &pf->aq_wait_list); 1072d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1073d69ea414SJacob Keller 1074d69ea414SJacob Keller ret = wait_event_interruptible_timeout(pf->aq_wait_queue, task->state, 1075d69ea414SJacob Keller timeout); 1076d69ea414SJacob Keller switch (task->state) { 1077d69ea414SJacob Keller case ICE_AQ_TASK_WAITING: 1078d69ea414SJacob Keller err = ret < 0 ? ret : -ETIMEDOUT; 1079d69ea414SJacob Keller break; 1080d69ea414SJacob Keller case ICE_AQ_TASK_CANCELED: 1081d69ea414SJacob Keller err = ret < 0 ? ret : -ECANCELED; 1082d69ea414SJacob Keller break; 1083d69ea414SJacob Keller case ICE_AQ_TASK_COMPLETE: 1084d69ea414SJacob Keller err = ret < 0 ? ret : 0; 1085d69ea414SJacob Keller break; 1086d69ea414SJacob Keller default: 1087d69ea414SJacob Keller WARN(1, "Unexpected AdminQ wait task state %u", task->state); 1088d69ea414SJacob Keller err = -EINVAL; 1089d69ea414SJacob Keller break; 1090d69ea414SJacob Keller } 1091d69ea414SJacob Keller 1092d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1093d69ea414SJacob Keller hlist_del(&task->entry); 1094d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1095d69ea414SJacob Keller kfree(task); 1096d69ea414SJacob Keller 1097d69ea414SJacob Keller return err; 1098d69ea414SJacob Keller } 1099d69ea414SJacob Keller 1100d69ea414SJacob Keller /** 1101d69ea414SJacob Keller * ice_aq_check_events - Check if any thread is waiting for an AdminQ event 1102d69ea414SJacob Keller * @pf: pointer to the PF private structure 1103d69ea414SJacob Keller * @opcode: the opcode of the event 1104d69ea414SJacob Keller * @event: the event to check 1105d69ea414SJacob Keller * 1106d69ea414SJacob Keller * Loops over the current list of pending threads waiting for an AdminQ event. 1107d69ea414SJacob Keller * For each matching task, copy the contents of the event into the task 1108d69ea414SJacob Keller * structure and wake up the thread. 1109d69ea414SJacob Keller * 1110d69ea414SJacob Keller * If multiple threads wait for the same opcode, they will all be woken up. 1111d69ea414SJacob Keller * 1112d69ea414SJacob Keller * Note that event->msg_buf will only be duplicated if the event has a buffer 1113d69ea414SJacob Keller * with enough space already allocated. Otherwise, only the descriptor and 1114d69ea414SJacob Keller * message length will be copied. 1115d69ea414SJacob Keller * 1116d69ea414SJacob Keller * Returns: true if an event was found, false otherwise 1117d69ea414SJacob Keller */ 1118d69ea414SJacob Keller static void ice_aq_check_events(struct ice_pf *pf, u16 opcode, 1119d69ea414SJacob Keller struct ice_rq_event_info *event) 1120d69ea414SJacob Keller { 1121d69ea414SJacob Keller struct ice_aq_task *task; 1122d69ea414SJacob Keller bool found = false; 1123d69ea414SJacob Keller 1124d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1125d69ea414SJacob Keller hlist_for_each_entry(task, &pf->aq_wait_list, entry) { 1126d69ea414SJacob Keller if (task->state || task->opcode != opcode) 1127d69ea414SJacob Keller continue; 1128d69ea414SJacob Keller 1129d69ea414SJacob Keller memcpy(&task->event->desc, &event->desc, sizeof(event->desc)); 1130d69ea414SJacob Keller task->event->msg_len = event->msg_len; 1131d69ea414SJacob Keller 1132d69ea414SJacob Keller /* Only copy the data buffer if a destination was set */ 1133d69ea414SJacob Keller if (task->event->msg_buf && 1134d69ea414SJacob Keller task->event->buf_len > event->buf_len) { 1135d69ea414SJacob Keller memcpy(task->event->msg_buf, event->msg_buf, 1136d69ea414SJacob Keller event->buf_len); 1137d69ea414SJacob Keller task->event->buf_len = event->buf_len; 1138d69ea414SJacob Keller } 1139d69ea414SJacob Keller 1140d69ea414SJacob Keller task->state = ICE_AQ_TASK_COMPLETE; 1141d69ea414SJacob Keller found = true; 1142d69ea414SJacob Keller } 1143d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1144d69ea414SJacob Keller 1145d69ea414SJacob Keller if (found) 1146d69ea414SJacob Keller wake_up(&pf->aq_wait_queue); 1147d69ea414SJacob Keller } 1148d69ea414SJacob Keller 1149d69ea414SJacob Keller /** 1150d69ea414SJacob Keller * ice_aq_cancel_waiting_tasks - Immediately cancel all waiting tasks 1151d69ea414SJacob Keller * @pf: the PF private structure 1152d69ea414SJacob Keller * 1153d69ea414SJacob Keller * Set all waiting tasks to ICE_AQ_TASK_CANCELED, and wake up their threads. 1154d69ea414SJacob Keller * This will then cause ice_aq_wait_for_event to exit with -ECANCELED. 1155d69ea414SJacob Keller */ 1156d69ea414SJacob Keller static void ice_aq_cancel_waiting_tasks(struct ice_pf *pf) 1157d69ea414SJacob Keller { 1158d69ea414SJacob Keller struct ice_aq_task *task; 1159d69ea414SJacob Keller 1160d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1161d69ea414SJacob Keller hlist_for_each_entry(task, &pf->aq_wait_list, entry) 1162d69ea414SJacob Keller task->state = ICE_AQ_TASK_CANCELED; 1163d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1164d69ea414SJacob Keller 1165d69ea414SJacob Keller wake_up(&pf->aq_wait_queue); 1166d69ea414SJacob Keller } 1167d69ea414SJacob Keller 1168250c3b3eSBrett Creeley /** 1169940b61afSAnirudh Venkataramanan * __ice_clean_ctrlq - helper function to clean controlq rings 1170940b61afSAnirudh Venkataramanan * @pf: ptr to struct ice_pf 1171940b61afSAnirudh Venkataramanan * @q_type: specific Control queue type 1172940b61afSAnirudh Venkataramanan */ 1173940b61afSAnirudh Venkataramanan static int __ice_clean_ctrlq(struct ice_pf *pf, enum ice_ctl_q q_type) 1174940b61afSAnirudh Venkataramanan { 11754015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 1176940b61afSAnirudh Venkataramanan struct ice_rq_event_info event; 1177940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 1178940b61afSAnirudh Venkataramanan struct ice_ctl_q_info *cq; 1179940b61afSAnirudh Venkataramanan u16 pending, i = 0; 1180940b61afSAnirudh Venkataramanan const char *qtype; 1181940b61afSAnirudh Venkataramanan u32 oldval, val; 1182940b61afSAnirudh Venkataramanan 11830b28b702SAnirudh Venkataramanan /* Do not clean control queue if/when PF reset fails */ 11840b28b702SAnirudh Venkataramanan if (test_bit(__ICE_RESET_FAILED, pf->state)) 11850b28b702SAnirudh Venkataramanan return 0; 11860b28b702SAnirudh Venkataramanan 1187940b61afSAnirudh Venkataramanan switch (q_type) { 1188940b61afSAnirudh Venkataramanan case ICE_CTL_Q_ADMIN: 1189940b61afSAnirudh Venkataramanan cq = &hw->adminq; 1190940b61afSAnirudh Venkataramanan qtype = "Admin"; 1191940b61afSAnirudh Venkataramanan break; 119275d2b253SAnirudh Venkataramanan case ICE_CTL_Q_MAILBOX: 119375d2b253SAnirudh Venkataramanan cq = &hw->mailboxq; 119475d2b253SAnirudh Venkataramanan qtype = "Mailbox"; 119575d2b253SAnirudh Venkataramanan break; 1196940b61afSAnirudh Venkataramanan default: 11974015d11eSBrett Creeley dev_warn(dev, "Unknown control queue type 0x%x\n", q_type); 1198940b61afSAnirudh Venkataramanan return 0; 1199940b61afSAnirudh Venkataramanan } 1200940b61afSAnirudh Venkataramanan 1201940b61afSAnirudh Venkataramanan /* check for error indications - PF_xx_AxQLEN register layout for 1202940b61afSAnirudh Venkataramanan * FW/MBX/SB are identical so just use defines for PF_FW_AxQLEN. 1203940b61afSAnirudh Venkataramanan */ 1204940b61afSAnirudh Venkataramanan val = rd32(hw, cq->rq.len); 1205940b61afSAnirudh Venkataramanan if (val & (PF_FW_ARQLEN_ARQVFE_M | PF_FW_ARQLEN_ARQOVFL_M | 1206940b61afSAnirudh Venkataramanan PF_FW_ARQLEN_ARQCRIT_M)) { 1207940b61afSAnirudh Venkataramanan oldval = val; 1208940b61afSAnirudh Venkataramanan if (val & PF_FW_ARQLEN_ARQVFE_M) 12094015d11eSBrett Creeley dev_dbg(dev, "%s Receive Queue VF Error detected\n", 12104015d11eSBrett Creeley qtype); 1211940b61afSAnirudh Venkataramanan if (val & PF_FW_ARQLEN_ARQOVFL_M) { 121219cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Receive Queue Overflow Error detected\n", 1213940b61afSAnirudh Venkataramanan qtype); 1214940b61afSAnirudh Venkataramanan } 1215940b61afSAnirudh Venkataramanan if (val & PF_FW_ARQLEN_ARQCRIT_M) 121619cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Receive Queue Critical Error detected\n", 1217940b61afSAnirudh Venkataramanan qtype); 1218940b61afSAnirudh Venkataramanan val &= ~(PF_FW_ARQLEN_ARQVFE_M | PF_FW_ARQLEN_ARQOVFL_M | 1219940b61afSAnirudh Venkataramanan PF_FW_ARQLEN_ARQCRIT_M); 1220940b61afSAnirudh Venkataramanan if (oldval != val) 1221940b61afSAnirudh Venkataramanan wr32(hw, cq->rq.len, val); 1222940b61afSAnirudh Venkataramanan } 1223940b61afSAnirudh Venkataramanan 1224940b61afSAnirudh Venkataramanan val = rd32(hw, cq->sq.len); 1225940b61afSAnirudh Venkataramanan if (val & (PF_FW_ATQLEN_ATQVFE_M | PF_FW_ATQLEN_ATQOVFL_M | 1226940b61afSAnirudh Venkataramanan PF_FW_ATQLEN_ATQCRIT_M)) { 1227940b61afSAnirudh Venkataramanan oldval = val; 1228940b61afSAnirudh Venkataramanan if (val & PF_FW_ATQLEN_ATQVFE_M) 122919cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Send Queue VF Error detected\n", 123019cce2c6SAnirudh Venkataramanan qtype); 1231940b61afSAnirudh Venkataramanan if (val & PF_FW_ATQLEN_ATQOVFL_M) { 12324015d11eSBrett Creeley dev_dbg(dev, "%s Send Queue Overflow Error detected\n", 1233940b61afSAnirudh Venkataramanan qtype); 1234940b61afSAnirudh Venkataramanan } 1235940b61afSAnirudh Venkataramanan if (val & PF_FW_ATQLEN_ATQCRIT_M) 12364015d11eSBrett Creeley dev_dbg(dev, "%s Send Queue Critical Error detected\n", 1237940b61afSAnirudh Venkataramanan qtype); 1238940b61afSAnirudh Venkataramanan val &= ~(PF_FW_ATQLEN_ATQVFE_M | PF_FW_ATQLEN_ATQOVFL_M | 1239940b61afSAnirudh Venkataramanan PF_FW_ATQLEN_ATQCRIT_M); 1240940b61afSAnirudh Venkataramanan if (oldval != val) 1241940b61afSAnirudh Venkataramanan wr32(hw, cq->sq.len, val); 1242940b61afSAnirudh Venkataramanan } 1243940b61afSAnirudh Venkataramanan 1244940b61afSAnirudh Venkataramanan event.buf_len = cq->rq_buf_size; 12459efe35d0STony Nguyen event.msg_buf = kzalloc(event.buf_len, GFP_KERNEL); 1246940b61afSAnirudh Venkataramanan if (!event.msg_buf) 1247940b61afSAnirudh Venkataramanan return 0; 1248940b61afSAnirudh Venkataramanan 1249940b61afSAnirudh Venkataramanan do { 1250940b61afSAnirudh Venkataramanan enum ice_status ret; 12510b28b702SAnirudh Venkataramanan u16 opcode; 1252940b61afSAnirudh Venkataramanan 1253940b61afSAnirudh Venkataramanan ret = ice_clean_rq_elem(hw, cq, &event, &pending); 1254940b61afSAnirudh Venkataramanan if (ret == ICE_ERR_AQ_NO_WORK) 1255940b61afSAnirudh Venkataramanan break; 1256940b61afSAnirudh Venkataramanan if (ret) { 12570fee3577SLihong Yang dev_err(dev, "%s Receive Queue event error %s\n", qtype, 12580fee3577SLihong Yang ice_stat_str(ret)); 1259940b61afSAnirudh Venkataramanan break; 1260940b61afSAnirudh Venkataramanan } 12610b28b702SAnirudh Venkataramanan 12620b28b702SAnirudh Venkataramanan opcode = le16_to_cpu(event.desc.opcode); 12630b28b702SAnirudh Venkataramanan 1264d69ea414SJacob Keller /* Notify any thread that might be waiting for this event */ 1265d69ea414SJacob Keller ice_aq_check_events(pf, opcode, &event); 1266d69ea414SJacob Keller 12670b28b702SAnirudh Venkataramanan switch (opcode) { 1268250c3b3eSBrett Creeley case ice_aqc_opc_get_link_status: 1269c2a23e00SBrett Creeley if (ice_handle_link_event(pf, &event)) 12704015d11eSBrett Creeley dev_err(dev, "Could not handle link event\n"); 1271250c3b3eSBrett Creeley break; 12722309ae38SBrett Creeley case ice_aqc_opc_event_lan_overflow: 12732309ae38SBrett Creeley ice_vf_lan_overflow_event(pf, &event); 12742309ae38SBrett Creeley break; 12751071a835SAnirudh Venkataramanan case ice_mbx_opc_send_msg_to_pf: 12761071a835SAnirudh Venkataramanan ice_vc_process_vf_msg(pf, &event); 12771071a835SAnirudh Venkataramanan break; 12788b97ceb1SHieu Tran case ice_aqc_opc_fw_logging: 12798b97ceb1SHieu Tran ice_output_fw_log(hw, &event.desc, event.msg_buf); 12808b97ceb1SHieu Tran break; 128100cc3f1bSAnirudh Venkataramanan case ice_aqc_opc_lldp_set_mib_change: 128200cc3f1bSAnirudh Venkataramanan ice_dcb_process_lldp_set_mib_change(pf, &event); 128300cc3f1bSAnirudh Venkataramanan break; 12840b28b702SAnirudh Venkataramanan default: 128519cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Receive Queue unknown event 0x%04x ignored\n", 12860b28b702SAnirudh Venkataramanan qtype, opcode); 12870b28b702SAnirudh Venkataramanan break; 12880b28b702SAnirudh Venkataramanan } 1289940b61afSAnirudh Venkataramanan } while (pending && (i++ < ICE_DFLT_IRQ_WORK)); 1290940b61afSAnirudh Venkataramanan 12919efe35d0STony Nguyen kfree(event.msg_buf); 1292940b61afSAnirudh Venkataramanan 1293940b61afSAnirudh Venkataramanan return pending && (i == ICE_DFLT_IRQ_WORK); 1294940b61afSAnirudh Venkataramanan } 1295940b61afSAnirudh Venkataramanan 1296940b61afSAnirudh Venkataramanan /** 12973d6b640eSAnirudh Venkataramanan * ice_ctrlq_pending - check if there is a difference between ntc and ntu 12983d6b640eSAnirudh Venkataramanan * @hw: pointer to hardware info 12993d6b640eSAnirudh Venkataramanan * @cq: control queue information 13003d6b640eSAnirudh Venkataramanan * 13013d6b640eSAnirudh Venkataramanan * returns true if there are pending messages in a queue, false if there aren't 13023d6b640eSAnirudh Venkataramanan */ 13033d6b640eSAnirudh Venkataramanan static bool ice_ctrlq_pending(struct ice_hw *hw, struct ice_ctl_q_info *cq) 13043d6b640eSAnirudh Venkataramanan { 13053d6b640eSAnirudh Venkataramanan u16 ntu; 13063d6b640eSAnirudh Venkataramanan 13073d6b640eSAnirudh Venkataramanan ntu = (u16)(rd32(hw, cq->rq.head) & cq->rq.head_mask); 13083d6b640eSAnirudh Venkataramanan return cq->rq.next_to_clean != ntu; 13093d6b640eSAnirudh Venkataramanan } 13103d6b640eSAnirudh Venkataramanan 13113d6b640eSAnirudh Venkataramanan /** 1312940b61afSAnirudh Venkataramanan * ice_clean_adminq_subtask - clean the AdminQ rings 1313940b61afSAnirudh Venkataramanan * @pf: board private structure 1314940b61afSAnirudh Venkataramanan */ 1315940b61afSAnirudh Venkataramanan static void ice_clean_adminq_subtask(struct ice_pf *pf) 1316940b61afSAnirudh Venkataramanan { 1317940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 1318940b61afSAnirudh Venkataramanan 1319940b61afSAnirudh Venkataramanan if (!test_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state)) 1320940b61afSAnirudh Venkataramanan return; 1321940b61afSAnirudh Venkataramanan 1322940b61afSAnirudh Venkataramanan if (__ice_clean_ctrlq(pf, ICE_CTL_Q_ADMIN)) 1323940b61afSAnirudh Venkataramanan return; 1324940b61afSAnirudh Venkataramanan 1325940b61afSAnirudh Venkataramanan clear_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state); 1326940b61afSAnirudh Venkataramanan 13273d6b640eSAnirudh Venkataramanan /* There might be a situation where new messages arrive to a control 13283d6b640eSAnirudh Venkataramanan * queue between processing the last message and clearing the 13293d6b640eSAnirudh Venkataramanan * EVENT_PENDING bit. So before exiting, check queue head again (using 13303d6b640eSAnirudh Venkataramanan * ice_ctrlq_pending) and process new messages if any. 13313d6b640eSAnirudh Venkataramanan */ 13323d6b640eSAnirudh Venkataramanan if (ice_ctrlq_pending(hw, &hw->adminq)) 13333d6b640eSAnirudh Venkataramanan __ice_clean_ctrlq(pf, ICE_CTL_Q_ADMIN); 1334940b61afSAnirudh Venkataramanan 1335940b61afSAnirudh Venkataramanan ice_flush(hw); 1336940b61afSAnirudh Venkataramanan } 1337940b61afSAnirudh Venkataramanan 1338940b61afSAnirudh Venkataramanan /** 133975d2b253SAnirudh Venkataramanan * ice_clean_mailboxq_subtask - clean the MailboxQ rings 134075d2b253SAnirudh Venkataramanan * @pf: board private structure 134175d2b253SAnirudh Venkataramanan */ 134275d2b253SAnirudh Venkataramanan static void ice_clean_mailboxq_subtask(struct ice_pf *pf) 134375d2b253SAnirudh Venkataramanan { 134475d2b253SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 134575d2b253SAnirudh Venkataramanan 134675d2b253SAnirudh Venkataramanan if (!test_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state)) 134775d2b253SAnirudh Venkataramanan return; 134875d2b253SAnirudh Venkataramanan 134975d2b253SAnirudh Venkataramanan if (__ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX)) 135075d2b253SAnirudh Venkataramanan return; 135175d2b253SAnirudh Venkataramanan 135275d2b253SAnirudh Venkataramanan clear_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state); 135375d2b253SAnirudh Venkataramanan 135475d2b253SAnirudh Venkataramanan if (ice_ctrlq_pending(hw, &hw->mailboxq)) 135575d2b253SAnirudh Venkataramanan __ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX); 135675d2b253SAnirudh Venkataramanan 135775d2b253SAnirudh Venkataramanan ice_flush(hw); 135875d2b253SAnirudh Venkataramanan } 135975d2b253SAnirudh Venkataramanan 136075d2b253SAnirudh Venkataramanan /** 1361940b61afSAnirudh Venkataramanan * ice_service_task_schedule - schedule the service task to wake up 1362940b61afSAnirudh Venkataramanan * @pf: board private structure 1363940b61afSAnirudh Venkataramanan * 1364940b61afSAnirudh Venkataramanan * If not already scheduled, this puts the task into the work queue. 1365940b61afSAnirudh Venkataramanan */ 136628bf2672SBrett Creeley void ice_service_task_schedule(struct ice_pf *pf) 1367940b61afSAnirudh Venkataramanan { 13688d81fa55SAkeem G Abodunrin if (!test_bit(__ICE_SERVICE_DIS, pf->state) && 13690f9d5027SAnirudh Venkataramanan !test_and_set_bit(__ICE_SERVICE_SCHED, pf->state) && 13700f9d5027SAnirudh Venkataramanan !test_bit(__ICE_NEEDS_RESTART, pf->state)) 1371940b61afSAnirudh Venkataramanan queue_work(ice_wq, &pf->serv_task); 1372940b61afSAnirudh Venkataramanan } 1373940b61afSAnirudh Venkataramanan 1374940b61afSAnirudh Venkataramanan /** 1375940b61afSAnirudh Venkataramanan * ice_service_task_complete - finish up the service task 1376940b61afSAnirudh Venkataramanan * @pf: board private structure 1377940b61afSAnirudh Venkataramanan */ 1378940b61afSAnirudh Venkataramanan static void ice_service_task_complete(struct ice_pf *pf) 1379940b61afSAnirudh Venkataramanan { 1380940b61afSAnirudh Venkataramanan WARN_ON(!test_bit(__ICE_SERVICE_SCHED, pf->state)); 1381940b61afSAnirudh Venkataramanan 1382940b61afSAnirudh Venkataramanan /* force memory (pf->state) to sync before next service task */ 1383940b61afSAnirudh Venkataramanan smp_mb__before_atomic(); 1384940b61afSAnirudh Venkataramanan clear_bit(__ICE_SERVICE_SCHED, pf->state); 1385940b61afSAnirudh Venkataramanan } 1386940b61afSAnirudh Venkataramanan 1387940b61afSAnirudh Venkataramanan /** 13888d81fa55SAkeem G Abodunrin * ice_service_task_stop - stop service task and cancel works 13898d81fa55SAkeem G Abodunrin * @pf: board private structure 1390769c500dSAkeem G Abodunrin * 1391769c500dSAkeem G Abodunrin * Return 0 if the __ICE_SERVICE_DIS bit was not already set, 1392769c500dSAkeem G Abodunrin * 1 otherwise. 13938d81fa55SAkeem G Abodunrin */ 1394769c500dSAkeem G Abodunrin static int ice_service_task_stop(struct ice_pf *pf) 13958d81fa55SAkeem G Abodunrin { 1396769c500dSAkeem G Abodunrin int ret; 1397769c500dSAkeem G Abodunrin 1398769c500dSAkeem G Abodunrin ret = test_and_set_bit(__ICE_SERVICE_DIS, pf->state); 13998d81fa55SAkeem G Abodunrin 14008d81fa55SAkeem G Abodunrin if (pf->serv_tmr.function) 14018d81fa55SAkeem G Abodunrin del_timer_sync(&pf->serv_tmr); 14028d81fa55SAkeem G Abodunrin if (pf->serv_task.func) 14038d81fa55SAkeem G Abodunrin cancel_work_sync(&pf->serv_task); 14048d81fa55SAkeem G Abodunrin 14058d81fa55SAkeem G Abodunrin clear_bit(__ICE_SERVICE_SCHED, pf->state); 1406769c500dSAkeem G Abodunrin return ret; 14078d81fa55SAkeem G Abodunrin } 14088d81fa55SAkeem G Abodunrin 14098d81fa55SAkeem G Abodunrin /** 14105995b6d0SBrett Creeley * ice_service_task_restart - restart service task and schedule works 14115995b6d0SBrett Creeley * @pf: board private structure 14125995b6d0SBrett Creeley * 14135995b6d0SBrett Creeley * This function is needed for suspend and resume works (e.g WoL scenario) 14145995b6d0SBrett Creeley */ 14155995b6d0SBrett Creeley static void ice_service_task_restart(struct ice_pf *pf) 14165995b6d0SBrett Creeley { 14175995b6d0SBrett Creeley clear_bit(__ICE_SERVICE_DIS, pf->state); 14185995b6d0SBrett Creeley ice_service_task_schedule(pf); 14195995b6d0SBrett Creeley } 14205995b6d0SBrett Creeley 14215995b6d0SBrett Creeley /** 1422940b61afSAnirudh Venkataramanan * ice_service_timer - timer callback to schedule service task 1423940b61afSAnirudh Venkataramanan * @t: pointer to timer_list 1424940b61afSAnirudh Venkataramanan */ 1425940b61afSAnirudh Venkataramanan static void ice_service_timer(struct timer_list *t) 1426940b61afSAnirudh Venkataramanan { 1427940b61afSAnirudh Venkataramanan struct ice_pf *pf = from_timer(pf, t, serv_tmr); 1428940b61afSAnirudh Venkataramanan 1429940b61afSAnirudh Venkataramanan mod_timer(&pf->serv_tmr, round_jiffies(pf->serv_tmr_period + jiffies)); 1430940b61afSAnirudh Venkataramanan ice_service_task_schedule(pf); 1431940b61afSAnirudh Venkataramanan } 1432940b61afSAnirudh Venkataramanan 1433940b61afSAnirudh Venkataramanan /** 1434b3969fd7SSudheer Mogilappagari * ice_handle_mdd_event - handle malicious driver detect event 1435b3969fd7SSudheer Mogilappagari * @pf: pointer to the PF structure 1436b3969fd7SSudheer Mogilappagari * 14379d5c5a52SPaul Greenwalt * Called from service task. OICR interrupt handler indicates MDD event. 14389d5c5a52SPaul Greenwalt * VF MDD logging is guarded by net_ratelimit. Additional PF and VF log 14399d5c5a52SPaul Greenwalt * messages are wrapped by netif_msg_[rx|tx]_err. Since VF Rx MDD events 14409d5c5a52SPaul Greenwalt * disable the queue, the PF can be configured to reset the VF using ethtool 14419d5c5a52SPaul Greenwalt * private flag mdd-auto-reset-vf. 1442b3969fd7SSudheer Mogilappagari */ 1443b3969fd7SSudheer Mogilappagari static void ice_handle_mdd_event(struct ice_pf *pf) 1444b3969fd7SSudheer Mogilappagari { 14454015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 1446b3969fd7SSudheer Mogilappagari struct ice_hw *hw = &pf->hw; 1447c1e08830SJesse Brandeburg unsigned int i; 1448b3969fd7SSudheer Mogilappagari u32 reg; 1449b3969fd7SSudheer Mogilappagari 14509d5c5a52SPaul Greenwalt if (!test_and_clear_bit(__ICE_MDD_EVENT_PENDING, pf->state)) { 14519d5c5a52SPaul Greenwalt /* Since the VF MDD event logging is rate limited, check if 14529d5c5a52SPaul Greenwalt * there are pending MDD events. 14539d5c5a52SPaul Greenwalt */ 14549d5c5a52SPaul Greenwalt ice_print_vfs_mdd_events(pf); 1455b3969fd7SSudheer Mogilappagari return; 14569d5c5a52SPaul Greenwalt } 1457b3969fd7SSudheer Mogilappagari 14589d5c5a52SPaul Greenwalt /* find what triggered an MDD event */ 1459b3969fd7SSudheer Mogilappagari reg = rd32(hw, GL_MDET_TX_PQM); 1460b3969fd7SSudheer Mogilappagari if (reg & GL_MDET_TX_PQM_VALID_M) { 1461b3969fd7SSudheer Mogilappagari u8 pf_num = (reg & GL_MDET_TX_PQM_PF_NUM_M) >> 1462b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_PF_NUM_S; 1463b3969fd7SSudheer Mogilappagari u16 vf_num = (reg & GL_MDET_TX_PQM_VF_NUM_M) >> 1464b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_VF_NUM_S; 1465b3969fd7SSudheer Mogilappagari u8 event = (reg & GL_MDET_TX_PQM_MAL_TYPE_M) >> 1466b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_MAL_TYPE_S; 1467b3969fd7SSudheer Mogilappagari u16 queue = ((reg & GL_MDET_TX_PQM_QNUM_M) >> 1468b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_QNUM_S); 1469b3969fd7SSudheer Mogilappagari 1470b3969fd7SSudheer Mogilappagari if (netif_msg_tx_err(pf)) 14714015d11eSBrett Creeley dev_info(dev, "Malicious Driver Detection event %d on TX queue %d PF# %d VF# %d\n", 1472b3969fd7SSudheer Mogilappagari event, queue, pf_num, vf_num); 1473b3969fd7SSudheer Mogilappagari wr32(hw, GL_MDET_TX_PQM, 0xffffffff); 1474b3969fd7SSudheer Mogilappagari } 1475b3969fd7SSudheer Mogilappagari 1476b3969fd7SSudheer Mogilappagari reg = rd32(hw, GL_MDET_TX_TCLAN); 1477b3969fd7SSudheer Mogilappagari if (reg & GL_MDET_TX_TCLAN_VALID_M) { 1478b3969fd7SSudheer Mogilappagari u8 pf_num = (reg & GL_MDET_TX_TCLAN_PF_NUM_M) >> 1479b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_PF_NUM_S; 1480b3969fd7SSudheer Mogilappagari u16 vf_num = (reg & GL_MDET_TX_TCLAN_VF_NUM_M) >> 1481b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_VF_NUM_S; 1482b3969fd7SSudheer Mogilappagari u8 event = (reg & GL_MDET_TX_TCLAN_MAL_TYPE_M) >> 1483b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_MAL_TYPE_S; 1484b3969fd7SSudheer Mogilappagari u16 queue = ((reg & GL_MDET_TX_TCLAN_QNUM_M) >> 1485b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_QNUM_S); 1486b3969fd7SSudheer Mogilappagari 14871d8bd992SBen Shelton if (netif_msg_tx_err(pf)) 14884015d11eSBrett Creeley dev_info(dev, "Malicious Driver Detection event %d on TX queue %d PF# %d VF# %d\n", 1489b3969fd7SSudheer Mogilappagari event, queue, pf_num, vf_num); 1490b3969fd7SSudheer Mogilappagari wr32(hw, GL_MDET_TX_TCLAN, 0xffffffff); 1491b3969fd7SSudheer Mogilappagari } 1492b3969fd7SSudheer Mogilappagari 1493b3969fd7SSudheer Mogilappagari reg = rd32(hw, GL_MDET_RX); 1494b3969fd7SSudheer Mogilappagari if (reg & GL_MDET_RX_VALID_M) { 1495b3969fd7SSudheer Mogilappagari u8 pf_num = (reg & GL_MDET_RX_PF_NUM_M) >> 1496b3969fd7SSudheer Mogilappagari GL_MDET_RX_PF_NUM_S; 1497b3969fd7SSudheer Mogilappagari u16 vf_num = (reg & GL_MDET_RX_VF_NUM_M) >> 1498b3969fd7SSudheer Mogilappagari GL_MDET_RX_VF_NUM_S; 1499b3969fd7SSudheer Mogilappagari u8 event = (reg & GL_MDET_RX_MAL_TYPE_M) >> 1500b3969fd7SSudheer Mogilappagari GL_MDET_RX_MAL_TYPE_S; 1501b3969fd7SSudheer Mogilappagari u16 queue = ((reg & GL_MDET_RX_QNUM_M) >> 1502b3969fd7SSudheer Mogilappagari GL_MDET_RX_QNUM_S); 1503b3969fd7SSudheer Mogilappagari 1504b3969fd7SSudheer Mogilappagari if (netif_msg_rx_err(pf)) 15054015d11eSBrett Creeley dev_info(dev, "Malicious Driver Detection event %d on RX queue %d PF# %d VF# %d\n", 1506b3969fd7SSudheer Mogilappagari event, queue, pf_num, vf_num); 1507b3969fd7SSudheer Mogilappagari wr32(hw, GL_MDET_RX, 0xffffffff); 1508b3969fd7SSudheer Mogilappagari } 1509b3969fd7SSudheer Mogilappagari 15109d5c5a52SPaul Greenwalt /* check to see if this PF caused an MDD event */ 1511b3969fd7SSudheer Mogilappagari reg = rd32(hw, PF_MDET_TX_PQM); 1512b3969fd7SSudheer Mogilappagari if (reg & PF_MDET_TX_PQM_VALID_M) { 1513b3969fd7SSudheer Mogilappagari wr32(hw, PF_MDET_TX_PQM, 0xFFFF); 15149d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 15159d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_PQM detected on PF\n"); 1516b3969fd7SSudheer Mogilappagari } 1517b3969fd7SSudheer Mogilappagari 1518b3969fd7SSudheer Mogilappagari reg = rd32(hw, PF_MDET_TX_TCLAN); 1519b3969fd7SSudheer Mogilappagari if (reg & PF_MDET_TX_TCLAN_VALID_M) { 1520b3969fd7SSudheer Mogilappagari wr32(hw, PF_MDET_TX_TCLAN, 0xFFFF); 15219d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 15229d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_TCLAN detected on PF\n"); 1523b3969fd7SSudheer Mogilappagari } 1524b3969fd7SSudheer Mogilappagari 1525b3969fd7SSudheer Mogilappagari reg = rd32(hw, PF_MDET_RX); 1526b3969fd7SSudheer Mogilappagari if (reg & PF_MDET_RX_VALID_M) { 1527b3969fd7SSudheer Mogilappagari wr32(hw, PF_MDET_RX, 0xFFFF); 15289d5c5a52SPaul Greenwalt if (netif_msg_rx_err(pf)) 15299d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event RX detected on PF\n"); 1530b3969fd7SSudheer Mogilappagari } 1531b3969fd7SSudheer Mogilappagari 15329d5c5a52SPaul Greenwalt /* Check to see if one of the VFs caused an MDD event, and then 15339d5c5a52SPaul Greenwalt * increment counters and set print pending 15349d5c5a52SPaul Greenwalt */ 1535005881bcSBrett Creeley ice_for_each_vf(pf, i) { 15367c4bc1f5SAnirudh Venkataramanan struct ice_vf *vf = &pf->vf[i]; 15377c4bc1f5SAnirudh Venkataramanan 15387c4bc1f5SAnirudh Venkataramanan reg = rd32(hw, VP_MDET_TX_PQM(i)); 15397c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_TX_PQM_VALID_M) { 15407c4bc1f5SAnirudh Venkataramanan wr32(hw, VP_MDET_TX_PQM(i), 0xFFFF); 15419d5c5a52SPaul Greenwalt vf->mdd_tx_events.count++; 15429d5c5a52SPaul Greenwalt set_bit(__ICE_MDD_VF_PRINT_PENDING, pf->state); 15439d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 15449d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_PQM detected on VF %d\n", 15457c4bc1f5SAnirudh Venkataramanan i); 15467c4bc1f5SAnirudh Venkataramanan } 15477c4bc1f5SAnirudh Venkataramanan 15487c4bc1f5SAnirudh Venkataramanan reg = rd32(hw, VP_MDET_TX_TCLAN(i)); 15497c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_TX_TCLAN_VALID_M) { 15507c4bc1f5SAnirudh Venkataramanan wr32(hw, VP_MDET_TX_TCLAN(i), 0xFFFF); 15519d5c5a52SPaul Greenwalt vf->mdd_tx_events.count++; 15529d5c5a52SPaul Greenwalt set_bit(__ICE_MDD_VF_PRINT_PENDING, pf->state); 15539d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 15549d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_TCLAN detected on VF %d\n", 15557c4bc1f5SAnirudh Venkataramanan i); 15567c4bc1f5SAnirudh Venkataramanan } 15577c4bc1f5SAnirudh Venkataramanan 15587c4bc1f5SAnirudh Venkataramanan reg = rd32(hw, VP_MDET_TX_TDPU(i)); 15597c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_TX_TDPU_VALID_M) { 15607c4bc1f5SAnirudh Venkataramanan wr32(hw, VP_MDET_TX_TDPU(i), 0xFFFF); 15619d5c5a52SPaul Greenwalt vf->mdd_tx_events.count++; 15629d5c5a52SPaul Greenwalt set_bit(__ICE_MDD_VF_PRINT_PENDING, pf->state); 15639d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 15649d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_TDPU detected on VF %d\n", 15657c4bc1f5SAnirudh Venkataramanan i); 15667c4bc1f5SAnirudh Venkataramanan } 15677c4bc1f5SAnirudh Venkataramanan 15687c4bc1f5SAnirudh Venkataramanan reg = rd32(hw, VP_MDET_RX(i)); 15697c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_RX_VALID_M) { 15707c4bc1f5SAnirudh Venkataramanan wr32(hw, VP_MDET_RX(i), 0xFFFF); 15719d5c5a52SPaul Greenwalt vf->mdd_rx_events.count++; 15729d5c5a52SPaul Greenwalt set_bit(__ICE_MDD_VF_PRINT_PENDING, pf->state); 15739d5c5a52SPaul Greenwalt if (netif_msg_rx_err(pf)) 15749d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event RX detected on VF %d\n", 15757c4bc1f5SAnirudh Venkataramanan i); 15769d5c5a52SPaul Greenwalt 15779d5c5a52SPaul Greenwalt /* Since the queue is disabled on VF Rx MDD events, the 15789d5c5a52SPaul Greenwalt * PF can be configured to reset the VF through ethtool 15799d5c5a52SPaul Greenwalt * private flag mdd-auto-reset-vf. 15809d5c5a52SPaul Greenwalt */ 15817438a3b0SPaul Greenwalt if (test_bit(ICE_FLAG_MDD_AUTO_RESET_VF, pf->flags)) { 15827438a3b0SPaul Greenwalt /* VF MDD event counters will be cleared by 15837438a3b0SPaul Greenwalt * reset, so print the event prior to reset. 15847438a3b0SPaul Greenwalt */ 15857438a3b0SPaul Greenwalt ice_print_vf_rx_mdd_event(vf); 15869d5c5a52SPaul Greenwalt ice_reset_vf(&pf->vf[i], false); 15879d5c5a52SPaul Greenwalt } 15887c4bc1f5SAnirudh Venkataramanan } 15897438a3b0SPaul Greenwalt } 15907c4bc1f5SAnirudh Venkataramanan 15919d5c5a52SPaul Greenwalt ice_print_vfs_mdd_events(pf); 1592b3969fd7SSudheer Mogilappagari } 1593b3969fd7SSudheer Mogilappagari 1594b3969fd7SSudheer Mogilappagari /** 15956d599946STony Nguyen * ice_force_phys_link_state - Force the physical link state 15966d599946STony Nguyen * @vsi: VSI to force the physical link state to up/down 15976d599946STony Nguyen * @link_up: true/false indicates to set the physical link to up/down 15986d599946STony Nguyen * 15996d599946STony Nguyen * Force the physical link state by getting the current PHY capabilities from 16006d599946STony Nguyen * hardware and setting the PHY config based on the determined capabilities. If 16016d599946STony Nguyen * link changes a link event will be triggered because both the Enable Automatic 16026d599946STony Nguyen * Link Update and LESM Enable bits are set when setting the PHY capabilities. 16036d599946STony Nguyen * 16046d599946STony Nguyen * Returns 0 on success, negative on failure 16056d599946STony Nguyen */ 16066d599946STony Nguyen static int ice_force_phys_link_state(struct ice_vsi *vsi, bool link_up) 16076d599946STony Nguyen { 16086d599946STony Nguyen struct ice_aqc_get_phy_caps_data *pcaps; 16096d599946STony Nguyen struct ice_aqc_set_phy_cfg_data *cfg; 16106d599946STony Nguyen struct ice_port_info *pi; 16116d599946STony Nguyen struct device *dev; 16126d599946STony Nguyen int retcode; 16136d599946STony Nguyen 16146d599946STony Nguyen if (!vsi || !vsi->port_info || !vsi->back) 16156d599946STony Nguyen return -EINVAL; 16166d599946STony Nguyen if (vsi->type != ICE_VSI_PF) 16176d599946STony Nguyen return 0; 16186d599946STony Nguyen 16199a946843SAnirudh Venkataramanan dev = ice_pf_to_dev(vsi->back); 16206d599946STony Nguyen 16216d599946STony Nguyen pi = vsi->port_info; 16226d599946STony Nguyen 16239efe35d0STony Nguyen pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 16246d599946STony Nguyen if (!pcaps) 16256d599946STony Nguyen return -ENOMEM; 16266d599946STony Nguyen 16276d599946STony Nguyen retcode = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 16286d599946STony Nguyen NULL); 16296d599946STony Nguyen if (retcode) { 163019cce2c6SAnirudh Venkataramanan dev_err(dev, "Failed to get phy capabilities, VSI %d error %d\n", 16316d599946STony Nguyen vsi->vsi_num, retcode); 16326d599946STony Nguyen retcode = -EIO; 16336d599946STony Nguyen goto out; 16346d599946STony Nguyen } 16356d599946STony Nguyen 16366d599946STony Nguyen /* No change in link */ 16376d599946STony Nguyen if (link_up == !!(pcaps->caps & ICE_AQC_PHY_EN_LINK) && 16386d599946STony Nguyen link_up == !!(pi->phy.link_info.link_info & ICE_AQ_LINK_UP)) 16396d599946STony Nguyen goto out; 16406d599946STony Nguyen 16411a3571b5SPaul Greenwalt /* Use the current user PHY configuration. The current user PHY 16421a3571b5SPaul Greenwalt * configuration is initialized during probe from PHY capabilities 16431a3571b5SPaul Greenwalt * software mode, and updated on set PHY configuration. 16441a3571b5SPaul Greenwalt */ 16451a3571b5SPaul Greenwalt cfg = kmemdup(&pi->phy.curr_user_phy_cfg, sizeof(*cfg), GFP_KERNEL); 16466d599946STony Nguyen if (!cfg) { 16476d599946STony Nguyen retcode = -ENOMEM; 16486d599946STony Nguyen goto out; 16496d599946STony Nguyen } 16506d599946STony Nguyen 16511a3571b5SPaul Greenwalt cfg->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 16526d599946STony Nguyen if (link_up) 16536d599946STony Nguyen cfg->caps |= ICE_AQ_PHY_ENA_LINK; 16546d599946STony Nguyen else 16556d599946STony Nguyen cfg->caps &= ~ICE_AQ_PHY_ENA_LINK; 16566d599946STony Nguyen 16571a3571b5SPaul Greenwalt retcode = ice_aq_set_phy_cfg(&vsi->back->hw, pi, cfg, NULL); 16586d599946STony Nguyen if (retcode) { 16596d599946STony Nguyen dev_err(dev, "Failed to set phy config, VSI %d error %d\n", 16606d599946STony Nguyen vsi->vsi_num, retcode); 16616d599946STony Nguyen retcode = -EIO; 16626d599946STony Nguyen } 16636d599946STony Nguyen 16649efe35d0STony Nguyen kfree(cfg); 16656d599946STony Nguyen out: 16669efe35d0STony Nguyen kfree(pcaps); 16676d599946STony Nguyen return retcode; 16686d599946STony Nguyen } 16696d599946STony Nguyen 16706d599946STony Nguyen /** 16711a3571b5SPaul Greenwalt * ice_init_nvm_phy_type - Initialize the NVM PHY type 16721a3571b5SPaul Greenwalt * @pi: port info structure 16731a3571b5SPaul Greenwalt * 1674ea78ce4dSPaul Greenwalt * Initialize nvm_phy_type_[low|high] for link lenient mode support 16751a3571b5SPaul Greenwalt */ 16761a3571b5SPaul Greenwalt static int ice_init_nvm_phy_type(struct ice_port_info *pi) 16771a3571b5SPaul Greenwalt { 16781a3571b5SPaul Greenwalt struct ice_aqc_get_phy_caps_data *pcaps; 16791a3571b5SPaul Greenwalt struct ice_pf *pf = pi->hw->back; 16801a3571b5SPaul Greenwalt enum ice_status status; 16811a3571b5SPaul Greenwalt int err = 0; 16821a3571b5SPaul Greenwalt 16831a3571b5SPaul Greenwalt pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 16841a3571b5SPaul Greenwalt if (!pcaps) 16851a3571b5SPaul Greenwalt return -ENOMEM; 16861a3571b5SPaul Greenwalt 16871a3571b5SPaul Greenwalt status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_NVM_CAP, pcaps, 16881a3571b5SPaul Greenwalt NULL); 16891a3571b5SPaul Greenwalt 16901a3571b5SPaul Greenwalt if (status) { 16911a3571b5SPaul Greenwalt dev_err(ice_pf_to_dev(pf), "Get PHY capability failed.\n"); 16921a3571b5SPaul Greenwalt err = -EIO; 16931a3571b5SPaul Greenwalt goto out; 16941a3571b5SPaul Greenwalt } 16951a3571b5SPaul Greenwalt 16961a3571b5SPaul Greenwalt pf->nvm_phy_type_hi = pcaps->phy_type_high; 16971a3571b5SPaul Greenwalt pf->nvm_phy_type_lo = pcaps->phy_type_low; 16981a3571b5SPaul Greenwalt 16991a3571b5SPaul Greenwalt out: 17001a3571b5SPaul Greenwalt kfree(pcaps); 17011a3571b5SPaul Greenwalt return err; 17021a3571b5SPaul Greenwalt } 17031a3571b5SPaul Greenwalt 17041a3571b5SPaul Greenwalt /** 1705ea78ce4dSPaul Greenwalt * ice_init_link_dflt_override - Initialize link default override 1706ea78ce4dSPaul Greenwalt * @pi: port info structure 1707b4e813ddSBruce Allan * 1708b4e813ddSBruce Allan * Initialize link default override and PHY total port shutdown during probe 1709ea78ce4dSPaul Greenwalt */ 1710ea78ce4dSPaul Greenwalt static void ice_init_link_dflt_override(struct ice_port_info *pi) 1711ea78ce4dSPaul Greenwalt { 1712ea78ce4dSPaul Greenwalt struct ice_link_default_override_tlv *ldo; 1713ea78ce4dSPaul Greenwalt struct ice_pf *pf = pi->hw->back; 1714ea78ce4dSPaul Greenwalt 1715ea78ce4dSPaul Greenwalt ldo = &pf->link_dflt_override; 1716b4e813ddSBruce Allan if (ice_get_link_default_override(ldo, pi)) 1717b4e813ddSBruce Allan return; 1718b4e813ddSBruce Allan 1719b4e813ddSBruce Allan if (!(ldo->options & ICE_LINK_OVERRIDE_PORT_DIS)) 1720b4e813ddSBruce Allan return; 1721b4e813ddSBruce Allan 1722b4e813ddSBruce Allan /* Enable Total Port Shutdown (override/replace link-down-on-close 1723b4e813ddSBruce Allan * ethtool private flag) for ports with Port Disable bit set. 1724b4e813ddSBruce Allan */ 1725b4e813ddSBruce Allan set_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags); 1726b4e813ddSBruce Allan set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1727ea78ce4dSPaul Greenwalt } 1728ea78ce4dSPaul Greenwalt 1729ea78ce4dSPaul Greenwalt /** 1730ea78ce4dSPaul Greenwalt * ice_init_phy_cfg_dflt_override - Initialize PHY cfg default override settings 1731ea78ce4dSPaul Greenwalt * @pi: port info structure 1732ea78ce4dSPaul Greenwalt * 1733ea78ce4dSPaul Greenwalt * If default override is enabled, initialized the user PHY cfg speed and FEC 1734ea78ce4dSPaul Greenwalt * settings using the default override mask from the NVM. 1735ea78ce4dSPaul Greenwalt * 1736ea78ce4dSPaul Greenwalt * The PHY should only be configured with the default override settings the 1737ea78ce4dSPaul Greenwalt * first time media is available. The __ICE_LINK_DEFAULT_OVERRIDE_PENDING state 1738ea78ce4dSPaul Greenwalt * is used to indicate that the user PHY cfg default override is initialized 1739ea78ce4dSPaul Greenwalt * and the PHY has not been configured with the default override settings. The 1740ea78ce4dSPaul Greenwalt * state is set here, and cleared in ice_configure_phy the first time the PHY is 1741ea78ce4dSPaul Greenwalt * configured. 1742ea78ce4dSPaul Greenwalt */ 1743ea78ce4dSPaul Greenwalt static void ice_init_phy_cfg_dflt_override(struct ice_port_info *pi) 1744ea78ce4dSPaul Greenwalt { 1745ea78ce4dSPaul Greenwalt struct ice_link_default_override_tlv *ldo; 1746ea78ce4dSPaul Greenwalt struct ice_aqc_set_phy_cfg_data *cfg; 1747ea78ce4dSPaul Greenwalt struct ice_phy_info *phy = &pi->phy; 1748ea78ce4dSPaul Greenwalt struct ice_pf *pf = pi->hw->back; 1749ea78ce4dSPaul Greenwalt 1750ea78ce4dSPaul Greenwalt ldo = &pf->link_dflt_override; 1751ea78ce4dSPaul Greenwalt 1752ea78ce4dSPaul Greenwalt /* If link default override is enabled, use to mask NVM PHY capabilities 1753ea78ce4dSPaul Greenwalt * for speed and FEC default configuration. 1754ea78ce4dSPaul Greenwalt */ 1755ea78ce4dSPaul Greenwalt cfg = &phy->curr_user_phy_cfg; 1756ea78ce4dSPaul Greenwalt 1757ea78ce4dSPaul Greenwalt if (ldo->phy_type_low || ldo->phy_type_high) { 1758ea78ce4dSPaul Greenwalt cfg->phy_type_low = pf->nvm_phy_type_lo & 1759ea78ce4dSPaul Greenwalt cpu_to_le64(ldo->phy_type_low); 1760ea78ce4dSPaul Greenwalt cfg->phy_type_high = pf->nvm_phy_type_hi & 1761ea78ce4dSPaul Greenwalt cpu_to_le64(ldo->phy_type_high); 1762ea78ce4dSPaul Greenwalt } 1763ea78ce4dSPaul Greenwalt cfg->link_fec_opt = ldo->fec_options; 1764ea78ce4dSPaul Greenwalt phy->curr_user_fec_req = ICE_FEC_AUTO; 1765ea78ce4dSPaul Greenwalt 1766ea78ce4dSPaul Greenwalt set_bit(__ICE_LINK_DEFAULT_OVERRIDE_PENDING, pf->state); 1767ea78ce4dSPaul Greenwalt } 1768ea78ce4dSPaul Greenwalt 1769ea78ce4dSPaul Greenwalt /** 17701a3571b5SPaul Greenwalt * ice_init_phy_user_cfg - Initialize the PHY user configuration 17711a3571b5SPaul Greenwalt * @pi: port info structure 17721a3571b5SPaul Greenwalt * 17731a3571b5SPaul Greenwalt * Initialize the current user PHY configuration, speed, FEC, and FC requested 17741a3571b5SPaul Greenwalt * mode to default. The PHY defaults are from get PHY capabilities topology 17751a3571b5SPaul Greenwalt * with media so call when media is first available. An error is returned if 17761a3571b5SPaul Greenwalt * called when media is not available. The PHY initialization completed state is 17771a3571b5SPaul Greenwalt * set here. 17781a3571b5SPaul Greenwalt * 17791a3571b5SPaul Greenwalt * These configurations are used when setting PHY 17801a3571b5SPaul Greenwalt * configuration. The user PHY configuration is updated on set PHY 17811a3571b5SPaul Greenwalt * configuration. Returns 0 on success, negative on failure 17821a3571b5SPaul Greenwalt */ 17831a3571b5SPaul Greenwalt static int ice_init_phy_user_cfg(struct ice_port_info *pi) 17841a3571b5SPaul Greenwalt { 17851a3571b5SPaul Greenwalt struct ice_aqc_get_phy_caps_data *pcaps; 17861a3571b5SPaul Greenwalt struct ice_phy_info *phy = &pi->phy; 17871a3571b5SPaul Greenwalt struct ice_pf *pf = pi->hw->back; 17881a3571b5SPaul Greenwalt enum ice_status status; 17891a3571b5SPaul Greenwalt struct ice_vsi *vsi; 17901a3571b5SPaul Greenwalt int err = 0; 17911a3571b5SPaul Greenwalt 17921a3571b5SPaul Greenwalt if (!(phy->link_info.link_info & ICE_AQ_MEDIA_AVAILABLE)) 17931a3571b5SPaul Greenwalt return -EIO; 17941a3571b5SPaul Greenwalt 17951a3571b5SPaul Greenwalt vsi = ice_get_main_vsi(pf); 17961a3571b5SPaul Greenwalt if (!vsi) 17971a3571b5SPaul Greenwalt return -EINVAL; 17981a3571b5SPaul Greenwalt 17991a3571b5SPaul Greenwalt pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 18001a3571b5SPaul Greenwalt if (!pcaps) 18011a3571b5SPaul Greenwalt return -ENOMEM; 18021a3571b5SPaul Greenwalt 18031a3571b5SPaul Greenwalt status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, pcaps, 18041a3571b5SPaul Greenwalt NULL); 18051a3571b5SPaul Greenwalt if (status) { 18061a3571b5SPaul Greenwalt dev_err(ice_pf_to_dev(pf), "Get PHY capability failed.\n"); 18071a3571b5SPaul Greenwalt err = -EIO; 18081a3571b5SPaul Greenwalt goto err_out; 18091a3571b5SPaul Greenwalt } 18101a3571b5SPaul Greenwalt 1811ea78ce4dSPaul Greenwalt ice_copy_phy_caps_to_cfg(pi, pcaps, &pi->phy.curr_user_phy_cfg); 1812ea78ce4dSPaul Greenwalt 1813ea78ce4dSPaul Greenwalt /* check if lenient mode is supported and enabled */ 1814ea78ce4dSPaul Greenwalt if (ice_fw_supports_link_override(&vsi->back->hw) && 1815ea78ce4dSPaul Greenwalt !(pcaps->module_compliance_enforcement & 1816ea78ce4dSPaul Greenwalt ICE_AQC_MOD_ENFORCE_STRICT_MODE)) { 1817ea78ce4dSPaul Greenwalt set_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags); 1818ea78ce4dSPaul Greenwalt 1819ea78ce4dSPaul Greenwalt /* if link default override is enabled, initialize user PHY 1820ea78ce4dSPaul Greenwalt * configuration with link default override values 1821ea78ce4dSPaul Greenwalt */ 1822ea78ce4dSPaul Greenwalt if (pf->link_dflt_override.options & ICE_LINK_OVERRIDE_EN) { 1823ea78ce4dSPaul Greenwalt ice_init_phy_cfg_dflt_override(pi); 1824ea78ce4dSPaul Greenwalt goto out; 1825ea78ce4dSPaul Greenwalt } 1826ea78ce4dSPaul Greenwalt } 1827ea78ce4dSPaul Greenwalt 1828ea78ce4dSPaul Greenwalt /* if link default override is not enabled, initialize PHY using 1829ea78ce4dSPaul Greenwalt * topology with media 1830ea78ce4dSPaul Greenwalt */ 18311a3571b5SPaul Greenwalt phy->curr_user_fec_req = ice_caps_to_fec_mode(pcaps->caps, 18321a3571b5SPaul Greenwalt pcaps->link_fec_options); 18331a3571b5SPaul Greenwalt phy->curr_user_fc_req = ice_caps_to_fc_mode(pcaps->caps); 18341a3571b5SPaul Greenwalt 1835ea78ce4dSPaul Greenwalt out: 18361a3571b5SPaul Greenwalt phy->curr_user_speed_req = ICE_AQ_LINK_SPEED_M; 18371a3571b5SPaul Greenwalt set_bit(__ICE_PHY_INIT_COMPLETE, pf->state); 18381a3571b5SPaul Greenwalt err_out: 18391a3571b5SPaul Greenwalt kfree(pcaps); 18401a3571b5SPaul Greenwalt return err; 18411a3571b5SPaul Greenwalt } 18421a3571b5SPaul Greenwalt 18431a3571b5SPaul Greenwalt /** 18441a3571b5SPaul Greenwalt * ice_configure_phy - configure PHY 18451a3571b5SPaul Greenwalt * @vsi: VSI of PHY 18461a3571b5SPaul Greenwalt * 18471a3571b5SPaul Greenwalt * Set the PHY configuration. If the current PHY configuration is the same as 18481a3571b5SPaul Greenwalt * the curr_user_phy_cfg, then do nothing to avoid link flap. Otherwise 18491a3571b5SPaul Greenwalt * configure the based get PHY capabilities for topology with media. 18501a3571b5SPaul Greenwalt */ 18511a3571b5SPaul Greenwalt static int ice_configure_phy(struct ice_vsi *vsi) 18521a3571b5SPaul Greenwalt { 18531a3571b5SPaul Greenwalt struct device *dev = ice_pf_to_dev(vsi->back); 18541a3571b5SPaul Greenwalt struct ice_aqc_get_phy_caps_data *pcaps; 18551a3571b5SPaul Greenwalt struct ice_aqc_set_phy_cfg_data *cfg; 18561a3571b5SPaul Greenwalt struct ice_port_info *pi; 18571a3571b5SPaul Greenwalt enum ice_status status; 18581a3571b5SPaul Greenwalt int err = 0; 18591a3571b5SPaul Greenwalt 18601a3571b5SPaul Greenwalt pi = vsi->port_info; 18611a3571b5SPaul Greenwalt if (!pi) 18621a3571b5SPaul Greenwalt return -EINVAL; 18631a3571b5SPaul Greenwalt 18641a3571b5SPaul Greenwalt /* Ensure we have media as we cannot configure a medialess port */ 18651a3571b5SPaul Greenwalt if (!(pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE)) 18661a3571b5SPaul Greenwalt return -EPERM; 18671a3571b5SPaul Greenwalt 18681a3571b5SPaul Greenwalt ice_print_topo_conflict(vsi); 18691a3571b5SPaul Greenwalt 18701a3571b5SPaul Greenwalt if (vsi->port_info->phy.link_info.topo_media_conflict == 18711a3571b5SPaul Greenwalt ICE_AQ_LINK_TOPO_UNSUPP_MEDIA) 18721a3571b5SPaul Greenwalt return -EPERM; 18731a3571b5SPaul Greenwalt 18741a3571b5SPaul Greenwalt if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags)) 18751a3571b5SPaul Greenwalt return ice_force_phys_link_state(vsi, true); 18761a3571b5SPaul Greenwalt 18771a3571b5SPaul Greenwalt pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 18781a3571b5SPaul Greenwalt if (!pcaps) 18791a3571b5SPaul Greenwalt return -ENOMEM; 18801a3571b5SPaul Greenwalt 18811a3571b5SPaul Greenwalt /* Get current PHY config */ 18821a3571b5SPaul Greenwalt status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 18831a3571b5SPaul Greenwalt NULL); 18841a3571b5SPaul Greenwalt if (status) { 18851a3571b5SPaul Greenwalt dev_err(dev, "Failed to get PHY configuration, VSI %d error %s\n", 18861a3571b5SPaul Greenwalt vsi->vsi_num, ice_stat_str(status)); 18871a3571b5SPaul Greenwalt err = -EIO; 18881a3571b5SPaul Greenwalt goto done; 18891a3571b5SPaul Greenwalt } 18901a3571b5SPaul Greenwalt 18911a3571b5SPaul Greenwalt /* If PHY enable link is configured and configuration has not changed, 18921a3571b5SPaul Greenwalt * there's nothing to do 18931a3571b5SPaul Greenwalt */ 18941a3571b5SPaul Greenwalt if (pcaps->caps & ICE_AQC_PHY_EN_LINK && 18951a3571b5SPaul Greenwalt ice_phy_caps_equals_cfg(pcaps, &pi->phy.curr_user_phy_cfg)) 18961a3571b5SPaul Greenwalt goto done; 18971a3571b5SPaul Greenwalt 18981a3571b5SPaul Greenwalt /* Use PHY topology as baseline for configuration */ 18991a3571b5SPaul Greenwalt memset(pcaps, 0, sizeof(*pcaps)); 19001a3571b5SPaul Greenwalt status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, pcaps, 19011a3571b5SPaul Greenwalt NULL); 19021a3571b5SPaul Greenwalt if (status) { 19031a3571b5SPaul Greenwalt dev_err(dev, "Failed to get PHY topology, 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 cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); 19101a3571b5SPaul Greenwalt if (!cfg) { 19111a3571b5SPaul Greenwalt err = -ENOMEM; 19121a3571b5SPaul Greenwalt goto done; 19131a3571b5SPaul Greenwalt } 19141a3571b5SPaul Greenwalt 1915ea78ce4dSPaul Greenwalt ice_copy_phy_caps_to_cfg(pi, pcaps, cfg); 19161a3571b5SPaul Greenwalt 19171a3571b5SPaul Greenwalt /* Speed - If default override pending, use curr_user_phy_cfg set in 19181a3571b5SPaul Greenwalt * ice_init_phy_user_cfg_ldo. 19191a3571b5SPaul Greenwalt */ 1920ea78ce4dSPaul Greenwalt if (test_and_clear_bit(__ICE_LINK_DEFAULT_OVERRIDE_PENDING, 1921ea78ce4dSPaul Greenwalt vsi->back->state)) { 1922ea78ce4dSPaul Greenwalt cfg->phy_type_low = pi->phy.curr_user_phy_cfg.phy_type_low; 1923ea78ce4dSPaul Greenwalt cfg->phy_type_high = pi->phy.curr_user_phy_cfg.phy_type_high; 1924ea78ce4dSPaul Greenwalt } else { 1925ea78ce4dSPaul Greenwalt u64 phy_low = 0, phy_high = 0; 1926ea78ce4dSPaul Greenwalt 1927ea78ce4dSPaul Greenwalt ice_update_phy_type(&phy_low, &phy_high, 1928ea78ce4dSPaul Greenwalt pi->phy.curr_user_speed_req); 19291a3571b5SPaul Greenwalt cfg->phy_type_low = pcaps->phy_type_low & cpu_to_le64(phy_low); 1930ea78ce4dSPaul Greenwalt cfg->phy_type_high = pcaps->phy_type_high & 1931ea78ce4dSPaul Greenwalt cpu_to_le64(phy_high); 1932ea78ce4dSPaul Greenwalt } 19331a3571b5SPaul Greenwalt 19341a3571b5SPaul Greenwalt /* Can't provide what was requested; use PHY capabilities */ 19351a3571b5SPaul Greenwalt if (!cfg->phy_type_low && !cfg->phy_type_high) { 19361a3571b5SPaul Greenwalt cfg->phy_type_low = pcaps->phy_type_low; 19371a3571b5SPaul Greenwalt cfg->phy_type_high = pcaps->phy_type_high; 19381a3571b5SPaul Greenwalt } 19391a3571b5SPaul Greenwalt 19401a3571b5SPaul Greenwalt /* FEC */ 19411a3571b5SPaul Greenwalt ice_cfg_phy_fec(pi, cfg, pi->phy.curr_user_fec_req); 19421a3571b5SPaul Greenwalt 19431a3571b5SPaul Greenwalt /* Can't provide what was requested; use PHY capabilities */ 19441a3571b5SPaul Greenwalt if (cfg->link_fec_opt != 19451a3571b5SPaul Greenwalt (cfg->link_fec_opt & pcaps->link_fec_options)) { 19461a3571b5SPaul Greenwalt cfg->caps |= pcaps->caps & ICE_AQC_PHY_EN_AUTO_FEC; 19471a3571b5SPaul Greenwalt cfg->link_fec_opt = pcaps->link_fec_options; 19481a3571b5SPaul Greenwalt } 19491a3571b5SPaul Greenwalt 19501a3571b5SPaul Greenwalt /* Flow Control - always supported; no need to check against 19511a3571b5SPaul Greenwalt * capabilities 19521a3571b5SPaul Greenwalt */ 19531a3571b5SPaul Greenwalt ice_cfg_phy_fc(pi, cfg, pi->phy.curr_user_fc_req); 19541a3571b5SPaul Greenwalt 19551a3571b5SPaul Greenwalt /* Enable link and link update */ 19561a3571b5SPaul Greenwalt cfg->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT | ICE_AQ_PHY_ENA_LINK; 19571a3571b5SPaul Greenwalt 19581a3571b5SPaul Greenwalt status = ice_aq_set_phy_cfg(&vsi->back->hw, pi, cfg, NULL); 19591a3571b5SPaul Greenwalt if (status) { 19601a3571b5SPaul Greenwalt dev_err(dev, "Failed to set phy config, VSI %d error %s\n", 19611a3571b5SPaul Greenwalt vsi->vsi_num, ice_stat_str(status)); 19621a3571b5SPaul Greenwalt err = -EIO; 19631a3571b5SPaul Greenwalt } 19641a3571b5SPaul Greenwalt 19651a3571b5SPaul Greenwalt kfree(cfg); 19661a3571b5SPaul Greenwalt done: 19671a3571b5SPaul Greenwalt kfree(pcaps); 19681a3571b5SPaul Greenwalt return err; 19691a3571b5SPaul Greenwalt } 19701a3571b5SPaul Greenwalt 19711a3571b5SPaul Greenwalt /** 19721a3571b5SPaul Greenwalt * ice_check_media_subtask - Check for media 19736d599946STony Nguyen * @pf: pointer to PF struct 19741a3571b5SPaul Greenwalt * 19751a3571b5SPaul Greenwalt * If media is available, then initialize PHY user configuration if it is not 19761a3571b5SPaul Greenwalt * been, and configure the PHY if the interface is up. 19776d599946STony Nguyen */ 19786d599946STony Nguyen static void ice_check_media_subtask(struct ice_pf *pf) 19796d599946STony Nguyen { 19806d599946STony Nguyen struct ice_port_info *pi; 19816d599946STony Nguyen struct ice_vsi *vsi; 19826d599946STony Nguyen int err; 19836d599946STony Nguyen 19841a3571b5SPaul Greenwalt /* No need to check for media if it's already present */ 19851a3571b5SPaul Greenwalt if (!test_bit(ICE_FLAG_NO_MEDIA, pf->flags)) 19866d599946STony Nguyen return; 19876d599946STony Nguyen 19881a3571b5SPaul Greenwalt vsi = ice_get_main_vsi(pf); 19891a3571b5SPaul Greenwalt if (!vsi) 19906d599946STony Nguyen return; 19916d599946STony Nguyen 19926d599946STony Nguyen /* Refresh link info and check if media is present */ 19936d599946STony Nguyen pi = vsi->port_info; 19946d599946STony Nguyen err = ice_update_link_info(pi); 19956d599946STony Nguyen if (err) 19966d599946STony Nguyen return; 19976d599946STony Nguyen 19986d599946STony Nguyen if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) { 19991a3571b5SPaul Greenwalt if (!test_bit(__ICE_PHY_INIT_COMPLETE, pf->state)) 20001a3571b5SPaul Greenwalt ice_init_phy_user_cfg(pi); 20011a3571b5SPaul Greenwalt 20021a3571b5SPaul Greenwalt /* PHY settings are reset on media insertion, reconfigure 20031a3571b5SPaul Greenwalt * PHY to preserve settings. 20041a3571b5SPaul Greenwalt */ 20051a3571b5SPaul Greenwalt if (test_bit(__ICE_DOWN, vsi->state) && 20061a3571b5SPaul Greenwalt test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags)) 20076d599946STony Nguyen return; 20081a3571b5SPaul Greenwalt 20091a3571b5SPaul Greenwalt err = ice_configure_phy(vsi); 20101a3571b5SPaul Greenwalt if (!err) 20116d599946STony Nguyen clear_bit(ICE_FLAG_NO_MEDIA, pf->flags); 20126d599946STony Nguyen 20136d599946STony Nguyen /* A Link Status Event will be generated; the event handler 20146d599946STony Nguyen * will complete bringing the interface up 20156d599946STony Nguyen */ 20166d599946STony Nguyen } 20176d599946STony Nguyen } 20186d599946STony Nguyen 20196d599946STony Nguyen /** 2020940b61afSAnirudh Venkataramanan * ice_service_task - manage and run subtasks 2021940b61afSAnirudh Venkataramanan * @work: pointer to work_struct contained by the PF struct 2022940b61afSAnirudh Venkataramanan */ 2023940b61afSAnirudh Venkataramanan static void ice_service_task(struct work_struct *work) 2024940b61afSAnirudh Venkataramanan { 2025940b61afSAnirudh Venkataramanan struct ice_pf *pf = container_of(work, struct ice_pf, serv_task); 2026940b61afSAnirudh Venkataramanan unsigned long start_time = jiffies; 2027940b61afSAnirudh Venkataramanan 2028940b61afSAnirudh Venkataramanan /* subtasks */ 20290b28b702SAnirudh Venkataramanan 20300b28b702SAnirudh Venkataramanan /* process reset requests first */ 20310b28b702SAnirudh Venkataramanan ice_reset_subtask(pf); 20320b28b702SAnirudh Venkataramanan 20330f9d5027SAnirudh Venkataramanan /* bail if a reset/recovery cycle is pending or rebuild failed */ 20345df7e45dSDave Ertman if (ice_is_reset_in_progress(pf->state) || 20350f9d5027SAnirudh Venkataramanan test_bit(__ICE_SUSPENDED, pf->state) || 20360f9d5027SAnirudh Venkataramanan test_bit(__ICE_NEEDS_RESTART, pf->state)) { 20370b28b702SAnirudh Venkataramanan ice_service_task_complete(pf); 20380b28b702SAnirudh Venkataramanan return; 20390b28b702SAnirudh Venkataramanan } 20400b28b702SAnirudh Venkataramanan 2041462acf6aSTony Nguyen ice_clean_adminq_subtask(pf); 20426d599946STony Nguyen ice_check_media_subtask(pf); 2043b3969fd7SSudheer Mogilappagari ice_check_for_hang_subtask(pf); 2044e94d4478SAnirudh Venkataramanan ice_sync_fltr_subtask(pf); 2045b3969fd7SSudheer Mogilappagari ice_handle_mdd_event(pf); 2046fcea6f3dSAnirudh Venkataramanan ice_watchdog_subtask(pf); 2047462acf6aSTony Nguyen 2048462acf6aSTony Nguyen if (ice_is_safe_mode(pf)) { 2049462acf6aSTony Nguyen ice_service_task_complete(pf); 2050462acf6aSTony Nguyen return; 2051462acf6aSTony Nguyen } 2052462acf6aSTony Nguyen 2053462acf6aSTony Nguyen ice_process_vflr_event(pf); 205475d2b253SAnirudh Venkataramanan ice_clean_mailboxq_subtask(pf); 205528bf2672SBrett Creeley ice_sync_arfs_fltrs(pf); 2056940b61afSAnirudh Venkataramanan /* Clear __ICE_SERVICE_SCHED flag to allow scheduling next event */ 2057940b61afSAnirudh Venkataramanan ice_service_task_complete(pf); 2058940b61afSAnirudh Venkataramanan 2059940b61afSAnirudh Venkataramanan /* If the tasks have taken longer than one service timer period 2060940b61afSAnirudh Venkataramanan * or there is more work to be done, reset the service timer to 2061940b61afSAnirudh Venkataramanan * schedule the service task now. 2062940b61afSAnirudh Venkataramanan */ 2063940b61afSAnirudh Venkataramanan if (time_after(jiffies, (start_time + pf->serv_tmr_period)) || 2064b3969fd7SSudheer Mogilappagari test_bit(__ICE_MDD_EVENT_PENDING, pf->state) || 2065007676b4SAnirudh Venkataramanan test_bit(__ICE_VFLR_EVENT_PENDING, pf->state) || 206675d2b253SAnirudh Venkataramanan test_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state) || 2067940b61afSAnirudh Venkataramanan test_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state)) 2068940b61afSAnirudh Venkataramanan mod_timer(&pf->serv_tmr, jiffies); 2069940b61afSAnirudh Venkataramanan } 2070940b61afSAnirudh Venkataramanan 2071837f08fdSAnirudh Venkataramanan /** 2072f31e4b6fSAnirudh Venkataramanan * ice_set_ctrlq_len - helper function to set controlq length 2073f9867df6SAnirudh Venkataramanan * @hw: pointer to the HW instance 2074f31e4b6fSAnirudh Venkataramanan */ 2075f31e4b6fSAnirudh Venkataramanan static void ice_set_ctrlq_len(struct ice_hw *hw) 2076f31e4b6fSAnirudh Venkataramanan { 2077f31e4b6fSAnirudh Venkataramanan hw->adminq.num_rq_entries = ICE_AQ_LEN; 2078f31e4b6fSAnirudh Venkataramanan hw->adminq.num_sq_entries = ICE_AQ_LEN; 2079f31e4b6fSAnirudh Venkataramanan hw->adminq.rq_buf_size = ICE_AQ_MAX_BUF_LEN; 2080f31e4b6fSAnirudh Venkataramanan hw->adminq.sq_buf_size = ICE_AQ_MAX_BUF_LEN; 2081c8a1071dSLukasz Czapnik hw->mailboxq.num_rq_entries = PF_MBX_ARQLEN_ARQLEN_M; 208211836214SBrett Creeley hw->mailboxq.num_sq_entries = ICE_MBXSQ_LEN; 208375d2b253SAnirudh Venkataramanan hw->mailboxq.rq_buf_size = ICE_MBXQ_MAX_BUF_LEN; 208475d2b253SAnirudh Venkataramanan hw->mailboxq.sq_buf_size = ICE_MBXQ_MAX_BUF_LEN; 2085f31e4b6fSAnirudh Venkataramanan } 2086f31e4b6fSAnirudh Venkataramanan 2087f31e4b6fSAnirudh Venkataramanan /** 208887324e74SHenry Tieman * ice_schedule_reset - schedule a reset 208987324e74SHenry Tieman * @pf: board private structure 209087324e74SHenry Tieman * @reset: reset being requested 209187324e74SHenry Tieman */ 209287324e74SHenry Tieman int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset) 209387324e74SHenry Tieman { 209487324e74SHenry Tieman struct device *dev = ice_pf_to_dev(pf); 209587324e74SHenry Tieman 209687324e74SHenry Tieman /* bail out if earlier reset has failed */ 209787324e74SHenry Tieman if (test_bit(__ICE_RESET_FAILED, pf->state)) { 209887324e74SHenry Tieman dev_dbg(dev, "earlier reset has failed\n"); 209987324e74SHenry Tieman return -EIO; 210087324e74SHenry Tieman } 210187324e74SHenry Tieman /* bail if reset/recovery already in progress */ 210287324e74SHenry Tieman if (ice_is_reset_in_progress(pf->state)) { 210387324e74SHenry Tieman dev_dbg(dev, "Reset already in progress\n"); 210487324e74SHenry Tieman return -EBUSY; 210587324e74SHenry Tieman } 210687324e74SHenry Tieman 210787324e74SHenry Tieman switch (reset) { 210887324e74SHenry Tieman case ICE_RESET_PFR: 210987324e74SHenry Tieman set_bit(__ICE_PFR_REQ, pf->state); 211087324e74SHenry Tieman break; 211187324e74SHenry Tieman case ICE_RESET_CORER: 211287324e74SHenry Tieman set_bit(__ICE_CORER_REQ, pf->state); 211387324e74SHenry Tieman break; 211487324e74SHenry Tieman case ICE_RESET_GLOBR: 211587324e74SHenry Tieman set_bit(__ICE_GLOBR_REQ, pf->state); 211687324e74SHenry Tieman break; 211787324e74SHenry Tieman default: 211887324e74SHenry Tieman return -EINVAL; 211987324e74SHenry Tieman } 212087324e74SHenry Tieman 212187324e74SHenry Tieman ice_service_task_schedule(pf); 212287324e74SHenry Tieman return 0; 212387324e74SHenry Tieman } 212487324e74SHenry Tieman 212587324e74SHenry Tieman /** 2126cdedef59SAnirudh Venkataramanan * ice_irq_affinity_notify - Callback for affinity changes 2127cdedef59SAnirudh Venkataramanan * @notify: context as to what irq was changed 2128cdedef59SAnirudh Venkataramanan * @mask: the new affinity mask 2129cdedef59SAnirudh Venkataramanan * 2130cdedef59SAnirudh Venkataramanan * This is a callback function used by the irq_set_affinity_notifier function 2131cdedef59SAnirudh Venkataramanan * so that we may register to receive changes to the irq affinity masks. 2132cdedef59SAnirudh Venkataramanan */ 2133c8b7abddSBruce Allan static void 2134c8b7abddSBruce Allan ice_irq_affinity_notify(struct irq_affinity_notify *notify, 2135cdedef59SAnirudh Venkataramanan const cpumask_t *mask) 2136cdedef59SAnirudh Venkataramanan { 2137cdedef59SAnirudh Venkataramanan struct ice_q_vector *q_vector = 2138cdedef59SAnirudh Venkataramanan container_of(notify, struct ice_q_vector, affinity_notify); 2139cdedef59SAnirudh Venkataramanan 2140cdedef59SAnirudh Venkataramanan cpumask_copy(&q_vector->affinity_mask, mask); 2141cdedef59SAnirudh Venkataramanan } 2142cdedef59SAnirudh Venkataramanan 2143cdedef59SAnirudh Venkataramanan /** 2144cdedef59SAnirudh Venkataramanan * ice_irq_affinity_release - Callback for affinity notifier release 2145cdedef59SAnirudh Venkataramanan * @ref: internal core kernel usage 2146cdedef59SAnirudh Venkataramanan * 2147cdedef59SAnirudh Venkataramanan * This is a callback function used by the irq_set_affinity_notifier function 2148cdedef59SAnirudh Venkataramanan * to inform the current notification subscriber that they will no longer 2149cdedef59SAnirudh Venkataramanan * receive notifications. 2150cdedef59SAnirudh Venkataramanan */ 2151cdedef59SAnirudh Venkataramanan static void ice_irq_affinity_release(struct kref __always_unused *ref) {} 2152cdedef59SAnirudh Venkataramanan 2153cdedef59SAnirudh Venkataramanan /** 2154cdedef59SAnirudh Venkataramanan * ice_vsi_ena_irq - Enable IRQ for the given VSI 2155cdedef59SAnirudh Venkataramanan * @vsi: the VSI being configured 2156cdedef59SAnirudh Venkataramanan */ 2157cdedef59SAnirudh Venkataramanan static int ice_vsi_ena_irq(struct ice_vsi *vsi) 2158cdedef59SAnirudh Venkataramanan { 2159ba880734SBrett Creeley struct ice_hw *hw = &vsi->back->hw; 2160cdedef59SAnirudh Venkataramanan int i; 2161cdedef59SAnirudh Venkataramanan 21620c2561c8SBrett Creeley ice_for_each_q_vector(vsi, i) 2163cdedef59SAnirudh Venkataramanan ice_irq_dynamic_ena(hw, vsi, vsi->q_vectors[i]); 2164cdedef59SAnirudh Venkataramanan 2165cdedef59SAnirudh Venkataramanan ice_flush(hw); 2166cdedef59SAnirudh Venkataramanan return 0; 2167cdedef59SAnirudh Venkataramanan } 2168cdedef59SAnirudh Venkataramanan 2169cdedef59SAnirudh Venkataramanan /** 2170cdedef59SAnirudh Venkataramanan * ice_vsi_req_irq_msix - get MSI-X vectors from the OS for the VSI 2171cdedef59SAnirudh Venkataramanan * @vsi: the VSI being configured 2172cdedef59SAnirudh Venkataramanan * @basename: name for the vector 2173cdedef59SAnirudh Venkataramanan */ 2174cdedef59SAnirudh Venkataramanan static int ice_vsi_req_irq_msix(struct ice_vsi *vsi, char *basename) 2175cdedef59SAnirudh Venkataramanan { 2176cdedef59SAnirudh Venkataramanan int q_vectors = vsi->num_q_vectors; 2177cdedef59SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 2178cbe66bfeSBrett Creeley int base = vsi->base_vector; 21794015d11eSBrett Creeley struct device *dev; 2180cdedef59SAnirudh Venkataramanan int rx_int_idx = 0; 2181cdedef59SAnirudh Venkataramanan int tx_int_idx = 0; 2182cdedef59SAnirudh Venkataramanan int vector, err; 2183cdedef59SAnirudh Venkataramanan int irq_num; 2184cdedef59SAnirudh Venkataramanan 21854015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 2186cdedef59SAnirudh Venkataramanan for (vector = 0; vector < q_vectors; vector++) { 2187cdedef59SAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[vector]; 2188cdedef59SAnirudh Venkataramanan 2189cdedef59SAnirudh Venkataramanan irq_num = pf->msix_entries[base + vector].vector; 2190cdedef59SAnirudh Venkataramanan 2191cdedef59SAnirudh Venkataramanan if (q_vector->tx.ring && q_vector->rx.ring) { 2192cdedef59SAnirudh Venkataramanan snprintf(q_vector->name, sizeof(q_vector->name) - 1, 2193cdedef59SAnirudh Venkataramanan "%s-%s-%d", basename, "TxRx", rx_int_idx++); 2194cdedef59SAnirudh Venkataramanan tx_int_idx++; 2195cdedef59SAnirudh Venkataramanan } else if (q_vector->rx.ring) { 2196cdedef59SAnirudh Venkataramanan snprintf(q_vector->name, sizeof(q_vector->name) - 1, 2197cdedef59SAnirudh Venkataramanan "%s-%s-%d", basename, "rx", rx_int_idx++); 2198cdedef59SAnirudh Venkataramanan } else if (q_vector->tx.ring) { 2199cdedef59SAnirudh Venkataramanan snprintf(q_vector->name, sizeof(q_vector->name) - 1, 2200cdedef59SAnirudh Venkataramanan "%s-%s-%d", basename, "tx", tx_int_idx++); 2201cdedef59SAnirudh Venkataramanan } else { 2202cdedef59SAnirudh Venkataramanan /* skip this unused q_vector */ 2203cdedef59SAnirudh Venkataramanan continue; 2204cdedef59SAnirudh Venkataramanan } 22054015d11eSBrett Creeley err = devm_request_irq(dev, irq_num, vsi->irq_handler, 0, 22068d051b8bSAlan Brady q_vector->name, q_vector); 2207cdedef59SAnirudh Venkataramanan if (err) { 220819cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "MSIX request_irq failed, error: %d\n", 220919cce2c6SAnirudh Venkataramanan err); 2210cdedef59SAnirudh Venkataramanan goto free_q_irqs; 2211cdedef59SAnirudh Venkataramanan } 2212cdedef59SAnirudh Venkataramanan 2213cdedef59SAnirudh Venkataramanan /* register for affinity change notifications */ 221428bf2672SBrett Creeley if (!IS_ENABLED(CONFIG_RFS_ACCEL)) { 221528bf2672SBrett Creeley struct irq_affinity_notify *affinity_notify; 221628bf2672SBrett Creeley 221728bf2672SBrett Creeley affinity_notify = &q_vector->affinity_notify; 221828bf2672SBrett Creeley affinity_notify->notify = ice_irq_affinity_notify; 221928bf2672SBrett Creeley affinity_notify->release = ice_irq_affinity_release; 222028bf2672SBrett Creeley irq_set_affinity_notifier(irq_num, affinity_notify); 222128bf2672SBrett Creeley } 2222cdedef59SAnirudh Venkataramanan 2223cdedef59SAnirudh Venkataramanan /* assign the mask for this irq */ 2224cdedef59SAnirudh Venkataramanan irq_set_affinity_hint(irq_num, &q_vector->affinity_mask); 2225cdedef59SAnirudh Venkataramanan } 2226cdedef59SAnirudh Venkataramanan 2227cdedef59SAnirudh Venkataramanan vsi->irqs_ready = true; 2228cdedef59SAnirudh Venkataramanan return 0; 2229cdedef59SAnirudh Venkataramanan 2230cdedef59SAnirudh Venkataramanan free_q_irqs: 2231cdedef59SAnirudh Venkataramanan while (vector) { 2232cdedef59SAnirudh Venkataramanan vector--; 223328bf2672SBrett Creeley irq_num = pf->msix_entries[base + vector].vector; 223428bf2672SBrett Creeley if (!IS_ENABLED(CONFIG_RFS_ACCEL)) 2235cdedef59SAnirudh Venkataramanan irq_set_affinity_notifier(irq_num, NULL); 2236cdedef59SAnirudh Venkataramanan irq_set_affinity_hint(irq_num, NULL); 22374015d11eSBrett Creeley devm_free_irq(dev, irq_num, &vsi->q_vectors[vector]); 2238cdedef59SAnirudh Venkataramanan } 2239cdedef59SAnirudh Venkataramanan return err; 2240cdedef59SAnirudh Venkataramanan } 2241cdedef59SAnirudh Venkataramanan 2242cdedef59SAnirudh Venkataramanan /** 2243efc2214bSMaciej Fijalkowski * ice_xdp_alloc_setup_rings - Allocate and setup Tx rings for XDP 2244efc2214bSMaciej Fijalkowski * @vsi: VSI to setup Tx rings used by XDP 2245efc2214bSMaciej Fijalkowski * 2246efc2214bSMaciej Fijalkowski * Return 0 on success and negative value on error 2247efc2214bSMaciej Fijalkowski */ 2248efc2214bSMaciej Fijalkowski static int ice_xdp_alloc_setup_rings(struct ice_vsi *vsi) 2249efc2214bSMaciej Fijalkowski { 22509a946843SAnirudh Venkataramanan struct device *dev = ice_pf_to_dev(vsi->back); 2251efc2214bSMaciej Fijalkowski int i; 2252efc2214bSMaciej Fijalkowski 2253efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->num_xdp_txq; i++) { 2254efc2214bSMaciej Fijalkowski u16 xdp_q_idx = vsi->alloc_txq + i; 2255efc2214bSMaciej Fijalkowski struct ice_ring *xdp_ring; 2256efc2214bSMaciej Fijalkowski 2257efc2214bSMaciej Fijalkowski xdp_ring = kzalloc(sizeof(*xdp_ring), GFP_KERNEL); 2258efc2214bSMaciej Fijalkowski 2259efc2214bSMaciej Fijalkowski if (!xdp_ring) 2260efc2214bSMaciej Fijalkowski goto free_xdp_rings; 2261efc2214bSMaciej Fijalkowski 2262efc2214bSMaciej Fijalkowski xdp_ring->q_index = xdp_q_idx; 2263efc2214bSMaciej Fijalkowski xdp_ring->reg_idx = vsi->txq_map[xdp_q_idx]; 2264efc2214bSMaciej Fijalkowski xdp_ring->ring_active = false; 2265efc2214bSMaciej Fijalkowski xdp_ring->vsi = vsi; 2266efc2214bSMaciej Fijalkowski xdp_ring->netdev = NULL; 2267efc2214bSMaciej Fijalkowski xdp_ring->dev = dev; 2268efc2214bSMaciej Fijalkowski xdp_ring->count = vsi->num_tx_desc; 2269b1d95cc2SCiara Loftus WRITE_ONCE(vsi->xdp_rings[i], xdp_ring); 2270efc2214bSMaciej Fijalkowski if (ice_setup_tx_ring(xdp_ring)) 2271efc2214bSMaciej Fijalkowski goto free_xdp_rings; 2272efc2214bSMaciej Fijalkowski ice_set_ring_xdp(xdp_ring); 22732d4238f5SKrzysztof Kazimierczak xdp_ring->xsk_umem = ice_xsk_umem(xdp_ring); 2274efc2214bSMaciej Fijalkowski } 2275efc2214bSMaciej Fijalkowski 2276efc2214bSMaciej Fijalkowski return 0; 2277efc2214bSMaciej Fijalkowski 2278efc2214bSMaciej Fijalkowski free_xdp_rings: 2279efc2214bSMaciej Fijalkowski for (; i >= 0; i--) 2280efc2214bSMaciej Fijalkowski if (vsi->xdp_rings[i] && vsi->xdp_rings[i]->desc) 2281efc2214bSMaciej Fijalkowski ice_free_tx_ring(vsi->xdp_rings[i]); 2282efc2214bSMaciej Fijalkowski return -ENOMEM; 2283efc2214bSMaciej Fijalkowski } 2284efc2214bSMaciej Fijalkowski 2285efc2214bSMaciej Fijalkowski /** 2286efc2214bSMaciej Fijalkowski * ice_vsi_assign_bpf_prog - set or clear bpf prog pointer on VSI 2287efc2214bSMaciej Fijalkowski * @vsi: VSI to set the bpf prog on 2288efc2214bSMaciej Fijalkowski * @prog: the bpf prog pointer 2289efc2214bSMaciej Fijalkowski */ 2290efc2214bSMaciej Fijalkowski static void ice_vsi_assign_bpf_prog(struct ice_vsi *vsi, struct bpf_prog *prog) 2291efc2214bSMaciej Fijalkowski { 2292efc2214bSMaciej Fijalkowski struct bpf_prog *old_prog; 2293efc2214bSMaciej Fijalkowski int i; 2294efc2214bSMaciej Fijalkowski 2295efc2214bSMaciej Fijalkowski old_prog = xchg(&vsi->xdp_prog, prog); 2296efc2214bSMaciej Fijalkowski if (old_prog) 2297efc2214bSMaciej Fijalkowski bpf_prog_put(old_prog); 2298efc2214bSMaciej Fijalkowski 2299efc2214bSMaciej Fijalkowski ice_for_each_rxq(vsi, i) 2300efc2214bSMaciej Fijalkowski WRITE_ONCE(vsi->rx_rings[i]->xdp_prog, vsi->xdp_prog); 2301efc2214bSMaciej Fijalkowski } 2302efc2214bSMaciej Fijalkowski 2303efc2214bSMaciej Fijalkowski /** 2304efc2214bSMaciej Fijalkowski * ice_prepare_xdp_rings - Allocate, configure and setup Tx rings for XDP 2305efc2214bSMaciej Fijalkowski * @vsi: VSI to bring up Tx rings used by XDP 2306efc2214bSMaciej Fijalkowski * @prog: bpf program that will be assigned to VSI 2307efc2214bSMaciej Fijalkowski * 2308efc2214bSMaciej Fijalkowski * Return 0 on success and negative value on error 2309efc2214bSMaciej Fijalkowski */ 2310efc2214bSMaciej Fijalkowski int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog) 2311efc2214bSMaciej Fijalkowski { 2312efc2214bSMaciej Fijalkowski u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 2313efc2214bSMaciej Fijalkowski int xdp_rings_rem = vsi->num_xdp_txq; 2314efc2214bSMaciej Fijalkowski struct ice_pf *pf = vsi->back; 2315efc2214bSMaciej Fijalkowski struct ice_qs_cfg xdp_qs_cfg = { 2316efc2214bSMaciej Fijalkowski .qs_mutex = &pf->avail_q_mutex, 2317efc2214bSMaciej Fijalkowski .pf_map = pf->avail_txqs, 2318efc2214bSMaciej Fijalkowski .pf_map_size = pf->max_pf_txqs, 2319efc2214bSMaciej Fijalkowski .q_count = vsi->num_xdp_txq, 2320efc2214bSMaciej Fijalkowski .scatter_count = ICE_MAX_SCATTER_TXQS, 2321efc2214bSMaciej Fijalkowski .vsi_map = vsi->txq_map, 2322efc2214bSMaciej Fijalkowski .vsi_map_offset = vsi->alloc_txq, 2323efc2214bSMaciej Fijalkowski .mapping_mode = ICE_VSI_MAP_CONTIG 2324efc2214bSMaciej Fijalkowski }; 2325efc2214bSMaciej Fijalkowski enum ice_status status; 23264015d11eSBrett Creeley struct device *dev; 2327efc2214bSMaciej Fijalkowski int i, v_idx; 2328efc2214bSMaciej Fijalkowski 23294015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 23304015d11eSBrett Creeley vsi->xdp_rings = devm_kcalloc(dev, vsi->num_xdp_txq, 2331efc2214bSMaciej Fijalkowski sizeof(*vsi->xdp_rings), GFP_KERNEL); 2332efc2214bSMaciej Fijalkowski if (!vsi->xdp_rings) 2333efc2214bSMaciej Fijalkowski return -ENOMEM; 2334efc2214bSMaciej Fijalkowski 2335efc2214bSMaciej Fijalkowski vsi->xdp_mapping_mode = xdp_qs_cfg.mapping_mode; 2336efc2214bSMaciej Fijalkowski if (__ice_vsi_get_qs(&xdp_qs_cfg)) 2337efc2214bSMaciej Fijalkowski goto err_map_xdp; 2338efc2214bSMaciej Fijalkowski 2339efc2214bSMaciej Fijalkowski if (ice_xdp_alloc_setup_rings(vsi)) 2340efc2214bSMaciej Fijalkowski goto clear_xdp_rings; 2341efc2214bSMaciej Fijalkowski 2342efc2214bSMaciej Fijalkowski /* follow the logic from ice_vsi_map_rings_to_vectors */ 2343efc2214bSMaciej Fijalkowski ice_for_each_q_vector(vsi, v_idx) { 2344efc2214bSMaciej Fijalkowski struct ice_q_vector *q_vector = vsi->q_vectors[v_idx]; 2345efc2214bSMaciej Fijalkowski int xdp_rings_per_v, q_id, q_base; 2346efc2214bSMaciej Fijalkowski 2347efc2214bSMaciej Fijalkowski xdp_rings_per_v = DIV_ROUND_UP(xdp_rings_rem, 2348efc2214bSMaciej Fijalkowski vsi->num_q_vectors - v_idx); 2349efc2214bSMaciej Fijalkowski q_base = vsi->num_xdp_txq - xdp_rings_rem; 2350efc2214bSMaciej Fijalkowski 2351efc2214bSMaciej Fijalkowski for (q_id = q_base; q_id < (q_base + xdp_rings_per_v); q_id++) { 2352efc2214bSMaciej Fijalkowski struct ice_ring *xdp_ring = vsi->xdp_rings[q_id]; 2353efc2214bSMaciej Fijalkowski 2354efc2214bSMaciej Fijalkowski xdp_ring->q_vector = q_vector; 2355efc2214bSMaciej Fijalkowski xdp_ring->next = q_vector->tx.ring; 2356efc2214bSMaciej Fijalkowski q_vector->tx.ring = xdp_ring; 2357efc2214bSMaciej Fijalkowski } 2358efc2214bSMaciej Fijalkowski xdp_rings_rem -= xdp_rings_per_v; 2359efc2214bSMaciej Fijalkowski } 2360efc2214bSMaciej Fijalkowski 2361efc2214bSMaciej Fijalkowski /* omit the scheduler update if in reset path; XDP queues will be 2362efc2214bSMaciej Fijalkowski * taken into account at the end of ice_vsi_rebuild, where 2363efc2214bSMaciej Fijalkowski * ice_cfg_vsi_lan is being called 2364efc2214bSMaciej Fijalkowski */ 2365efc2214bSMaciej Fijalkowski if (ice_is_reset_in_progress(pf->state)) 2366efc2214bSMaciej Fijalkowski return 0; 2367efc2214bSMaciej Fijalkowski 2368efc2214bSMaciej Fijalkowski /* tell the Tx scheduler that right now we have 2369efc2214bSMaciej Fijalkowski * additional queues 2370efc2214bSMaciej Fijalkowski */ 2371efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->tc_cfg.numtc; i++) 2372efc2214bSMaciej Fijalkowski max_txqs[i] = vsi->num_txq + vsi->num_xdp_txq; 2373efc2214bSMaciej Fijalkowski 2374efc2214bSMaciej Fijalkowski status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 2375efc2214bSMaciej Fijalkowski max_txqs); 2376efc2214bSMaciej Fijalkowski if (status) { 23770fee3577SLihong Yang dev_err(dev, "Failed VSI LAN queue config for XDP, error: %s\n", 23780fee3577SLihong Yang ice_stat_str(status)); 2379efc2214bSMaciej Fijalkowski goto clear_xdp_rings; 2380efc2214bSMaciej Fijalkowski } 2381efc2214bSMaciej Fijalkowski ice_vsi_assign_bpf_prog(vsi, prog); 2382efc2214bSMaciej Fijalkowski 2383efc2214bSMaciej Fijalkowski return 0; 2384efc2214bSMaciej Fijalkowski clear_xdp_rings: 2385efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->num_xdp_txq; i++) 2386efc2214bSMaciej Fijalkowski if (vsi->xdp_rings[i]) { 2387efc2214bSMaciej Fijalkowski kfree_rcu(vsi->xdp_rings[i], rcu); 2388efc2214bSMaciej Fijalkowski vsi->xdp_rings[i] = NULL; 2389efc2214bSMaciej Fijalkowski } 2390efc2214bSMaciej Fijalkowski 2391efc2214bSMaciej Fijalkowski err_map_xdp: 2392efc2214bSMaciej Fijalkowski mutex_lock(&pf->avail_q_mutex); 2393efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->num_xdp_txq; i++) { 2394efc2214bSMaciej Fijalkowski clear_bit(vsi->txq_map[i + vsi->alloc_txq], pf->avail_txqs); 2395efc2214bSMaciej Fijalkowski vsi->txq_map[i + vsi->alloc_txq] = ICE_INVAL_Q_INDEX; 2396efc2214bSMaciej Fijalkowski } 2397efc2214bSMaciej Fijalkowski mutex_unlock(&pf->avail_q_mutex); 2398efc2214bSMaciej Fijalkowski 23994015d11eSBrett Creeley devm_kfree(dev, vsi->xdp_rings); 2400efc2214bSMaciej Fijalkowski return -ENOMEM; 2401efc2214bSMaciej Fijalkowski } 2402efc2214bSMaciej Fijalkowski 2403efc2214bSMaciej Fijalkowski /** 2404efc2214bSMaciej Fijalkowski * ice_destroy_xdp_rings - undo the configuration made by ice_prepare_xdp_rings 2405efc2214bSMaciej Fijalkowski * @vsi: VSI to remove XDP rings 2406efc2214bSMaciej Fijalkowski * 2407efc2214bSMaciej Fijalkowski * Detach XDP rings from irq vectors, clean up the PF bitmap and free 2408efc2214bSMaciej Fijalkowski * resources 2409efc2214bSMaciej Fijalkowski */ 2410efc2214bSMaciej Fijalkowski int ice_destroy_xdp_rings(struct ice_vsi *vsi) 2411efc2214bSMaciej Fijalkowski { 2412efc2214bSMaciej Fijalkowski u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 2413efc2214bSMaciej Fijalkowski struct ice_pf *pf = vsi->back; 2414efc2214bSMaciej Fijalkowski int i, v_idx; 2415efc2214bSMaciej Fijalkowski 2416efc2214bSMaciej Fijalkowski /* q_vectors are freed in reset path so there's no point in detaching 2417efc2214bSMaciej Fijalkowski * rings; in case of rebuild being triggered not from reset reset bits 2418efc2214bSMaciej Fijalkowski * in pf->state won't be set, so additionally check first q_vector 2419efc2214bSMaciej Fijalkowski * against NULL 2420efc2214bSMaciej Fijalkowski */ 2421efc2214bSMaciej Fijalkowski if (ice_is_reset_in_progress(pf->state) || !vsi->q_vectors[0]) 2422efc2214bSMaciej Fijalkowski goto free_qmap; 2423efc2214bSMaciej Fijalkowski 2424efc2214bSMaciej Fijalkowski ice_for_each_q_vector(vsi, v_idx) { 2425efc2214bSMaciej Fijalkowski struct ice_q_vector *q_vector = vsi->q_vectors[v_idx]; 2426efc2214bSMaciej Fijalkowski struct ice_ring *ring; 2427efc2214bSMaciej Fijalkowski 2428efc2214bSMaciej Fijalkowski ice_for_each_ring(ring, q_vector->tx) 2429efc2214bSMaciej Fijalkowski if (!ring->tx_buf || !ice_ring_is_xdp(ring)) 2430efc2214bSMaciej Fijalkowski break; 2431efc2214bSMaciej Fijalkowski 2432efc2214bSMaciej Fijalkowski /* restore the value of last node prior to XDP setup */ 2433efc2214bSMaciej Fijalkowski q_vector->tx.ring = ring; 2434efc2214bSMaciej Fijalkowski } 2435efc2214bSMaciej Fijalkowski 2436efc2214bSMaciej Fijalkowski free_qmap: 2437efc2214bSMaciej Fijalkowski mutex_lock(&pf->avail_q_mutex); 2438efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->num_xdp_txq; i++) { 2439efc2214bSMaciej Fijalkowski clear_bit(vsi->txq_map[i + vsi->alloc_txq], pf->avail_txqs); 2440efc2214bSMaciej Fijalkowski vsi->txq_map[i + vsi->alloc_txq] = ICE_INVAL_Q_INDEX; 2441efc2214bSMaciej Fijalkowski } 2442efc2214bSMaciej Fijalkowski mutex_unlock(&pf->avail_q_mutex); 2443efc2214bSMaciej Fijalkowski 2444efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->num_xdp_txq; i++) 2445efc2214bSMaciej Fijalkowski if (vsi->xdp_rings[i]) { 2446efc2214bSMaciej Fijalkowski if (vsi->xdp_rings[i]->desc) 2447efc2214bSMaciej Fijalkowski ice_free_tx_ring(vsi->xdp_rings[i]); 2448efc2214bSMaciej Fijalkowski kfree_rcu(vsi->xdp_rings[i], rcu); 2449efc2214bSMaciej Fijalkowski vsi->xdp_rings[i] = NULL; 2450efc2214bSMaciej Fijalkowski } 2451efc2214bSMaciej Fijalkowski 24524015d11eSBrett Creeley devm_kfree(ice_pf_to_dev(pf), vsi->xdp_rings); 2453efc2214bSMaciej Fijalkowski vsi->xdp_rings = NULL; 2454efc2214bSMaciej Fijalkowski 2455efc2214bSMaciej Fijalkowski if (ice_is_reset_in_progress(pf->state) || !vsi->q_vectors[0]) 2456efc2214bSMaciej Fijalkowski return 0; 2457efc2214bSMaciej Fijalkowski 2458efc2214bSMaciej Fijalkowski ice_vsi_assign_bpf_prog(vsi, NULL); 2459efc2214bSMaciej Fijalkowski 2460efc2214bSMaciej Fijalkowski /* notify Tx scheduler that we destroyed XDP queues and bring 2461efc2214bSMaciej Fijalkowski * back the old number of child nodes 2462efc2214bSMaciej Fijalkowski */ 2463efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->tc_cfg.numtc; i++) 2464efc2214bSMaciej Fijalkowski max_txqs[i] = vsi->num_txq; 2465efc2214bSMaciej Fijalkowski 2466c8f135c6SMarta Plantykow /* change number of XDP Tx queues to 0 */ 2467c8f135c6SMarta Plantykow vsi->num_xdp_txq = 0; 2468c8f135c6SMarta Plantykow 2469efc2214bSMaciej Fijalkowski return ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 2470efc2214bSMaciej Fijalkowski max_txqs); 2471efc2214bSMaciej Fijalkowski } 2472efc2214bSMaciej Fijalkowski 2473efc2214bSMaciej Fijalkowski /** 2474efc2214bSMaciej Fijalkowski * ice_xdp_setup_prog - Add or remove XDP eBPF program 2475efc2214bSMaciej Fijalkowski * @vsi: VSI to setup XDP for 2476efc2214bSMaciej Fijalkowski * @prog: XDP program 2477efc2214bSMaciej Fijalkowski * @extack: netlink extended ack 2478efc2214bSMaciej Fijalkowski */ 2479efc2214bSMaciej Fijalkowski static int 2480efc2214bSMaciej Fijalkowski ice_xdp_setup_prog(struct ice_vsi *vsi, struct bpf_prog *prog, 2481efc2214bSMaciej Fijalkowski struct netlink_ext_ack *extack) 2482efc2214bSMaciej Fijalkowski { 2483efc2214bSMaciej Fijalkowski int frame_size = vsi->netdev->mtu + ICE_ETH_PKT_HDR_PAD; 2484efc2214bSMaciej Fijalkowski bool if_running = netif_running(vsi->netdev); 2485efc2214bSMaciej Fijalkowski int ret = 0, xdp_ring_err = 0; 2486efc2214bSMaciej Fijalkowski 2487efc2214bSMaciej Fijalkowski if (frame_size > vsi->rx_buf_len) { 2488efc2214bSMaciej Fijalkowski NL_SET_ERR_MSG_MOD(extack, "MTU too large for loading XDP"); 2489efc2214bSMaciej Fijalkowski return -EOPNOTSUPP; 2490efc2214bSMaciej Fijalkowski } 2491efc2214bSMaciej Fijalkowski 2492efc2214bSMaciej Fijalkowski /* need to stop netdev while setting up the program for Rx rings */ 2493efc2214bSMaciej Fijalkowski if (if_running && !test_and_set_bit(__ICE_DOWN, vsi->state)) { 2494efc2214bSMaciej Fijalkowski ret = ice_down(vsi); 2495efc2214bSMaciej Fijalkowski if (ret) { 2496af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(extack, "Preparing device for XDP attach failed"); 2497efc2214bSMaciej Fijalkowski return ret; 2498efc2214bSMaciej Fijalkowski } 2499efc2214bSMaciej Fijalkowski } 2500efc2214bSMaciej Fijalkowski 2501efc2214bSMaciej Fijalkowski if (!ice_is_xdp_ena_vsi(vsi) && prog) { 2502ae15e0baSMarta Plantykow vsi->num_xdp_txq = vsi->alloc_rxq; 2503efc2214bSMaciej Fijalkowski xdp_ring_err = ice_prepare_xdp_rings(vsi, prog); 2504efc2214bSMaciej Fijalkowski if (xdp_ring_err) 2505af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(extack, "Setting up XDP Tx resources failed"); 2506efc2214bSMaciej Fijalkowski } else if (ice_is_xdp_ena_vsi(vsi) && !prog) { 2507efc2214bSMaciej Fijalkowski xdp_ring_err = ice_destroy_xdp_rings(vsi); 2508efc2214bSMaciej Fijalkowski if (xdp_ring_err) 2509af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(extack, "Freeing XDP Tx resources failed"); 2510efc2214bSMaciej Fijalkowski } else { 2511efc2214bSMaciej Fijalkowski ice_vsi_assign_bpf_prog(vsi, prog); 2512efc2214bSMaciej Fijalkowski } 2513efc2214bSMaciej Fijalkowski 2514efc2214bSMaciej Fijalkowski if (if_running) 2515efc2214bSMaciej Fijalkowski ret = ice_up(vsi); 2516efc2214bSMaciej Fijalkowski 25172d4238f5SKrzysztof Kazimierczak if (!ret && prog && vsi->xsk_umems) { 25182d4238f5SKrzysztof Kazimierczak int i; 25192d4238f5SKrzysztof Kazimierczak 25202d4238f5SKrzysztof Kazimierczak ice_for_each_rxq(vsi, i) { 25212d4238f5SKrzysztof Kazimierczak struct ice_ring *rx_ring = vsi->rx_rings[i]; 25222d4238f5SKrzysztof Kazimierczak 25232d4238f5SKrzysztof Kazimierczak if (rx_ring->xsk_umem) 25242d4238f5SKrzysztof Kazimierczak napi_schedule(&rx_ring->q_vector->napi); 25252d4238f5SKrzysztof Kazimierczak } 25262d4238f5SKrzysztof Kazimierczak } 25272d4238f5SKrzysztof Kazimierczak 2528efc2214bSMaciej Fijalkowski return (ret || xdp_ring_err) ? -ENOMEM : 0; 2529efc2214bSMaciej Fijalkowski } 2530efc2214bSMaciej Fijalkowski 2531efc2214bSMaciej Fijalkowski /** 2532efc2214bSMaciej Fijalkowski * ice_xdp - implements XDP handler 2533efc2214bSMaciej Fijalkowski * @dev: netdevice 2534efc2214bSMaciej Fijalkowski * @xdp: XDP command 2535efc2214bSMaciej Fijalkowski */ 2536efc2214bSMaciej Fijalkowski static int ice_xdp(struct net_device *dev, struct netdev_bpf *xdp) 2537efc2214bSMaciej Fijalkowski { 2538efc2214bSMaciej Fijalkowski struct ice_netdev_priv *np = netdev_priv(dev); 2539efc2214bSMaciej Fijalkowski struct ice_vsi *vsi = np->vsi; 2540efc2214bSMaciej Fijalkowski 2541efc2214bSMaciej Fijalkowski if (vsi->type != ICE_VSI_PF) { 2542af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(xdp->extack, "XDP can be loaded only on PF VSI"); 2543efc2214bSMaciej Fijalkowski return -EINVAL; 2544efc2214bSMaciej Fijalkowski } 2545efc2214bSMaciej Fijalkowski 2546efc2214bSMaciej Fijalkowski switch (xdp->command) { 2547efc2214bSMaciej Fijalkowski case XDP_SETUP_PROG: 2548efc2214bSMaciej Fijalkowski return ice_xdp_setup_prog(vsi, xdp->prog, xdp->extack); 2549efc2214bSMaciej Fijalkowski case XDP_QUERY_PROG: 2550efc2214bSMaciej Fijalkowski xdp->prog_id = vsi->xdp_prog ? vsi->xdp_prog->aux->id : 0; 2551efc2214bSMaciej Fijalkowski return 0; 25522d4238f5SKrzysztof Kazimierczak case XDP_SETUP_XSK_UMEM: 25532d4238f5SKrzysztof Kazimierczak return ice_xsk_umem_setup(vsi, xdp->xsk.umem, 25542d4238f5SKrzysztof Kazimierczak xdp->xsk.queue_id); 2555efc2214bSMaciej Fijalkowski default: 2556efc2214bSMaciej Fijalkowski return -EINVAL; 2557efc2214bSMaciej Fijalkowski } 2558efc2214bSMaciej Fijalkowski } 2559efc2214bSMaciej Fijalkowski 2560efc2214bSMaciej Fijalkowski /** 2561940b61afSAnirudh Venkataramanan * ice_ena_misc_vector - enable the non-queue interrupts 2562940b61afSAnirudh Venkataramanan * @pf: board private structure 2563940b61afSAnirudh Venkataramanan */ 2564940b61afSAnirudh Venkataramanan static void ice_ena_misc_vector(struct ice_pf *pf) 2565940b61afSAnirudh Venkataramanan { 2566940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 2567940b61afSAnirudh Venkataramanan u32 val; 2568940b61afSAnirudh Venkataramanan 25699d5c5a52SPaul Greenwalt /* Disable anti-spoof detection interrupt to prevent spurious event 25709d5c5a52SPaul Greenwalt * interrupts during a function reset. Anti-spoof functionally is 25719d5c5a52SPaul Greenwalt * still supported. 25729d5c5a52SPaul Greenwalt */ 25739d5c5a52SPaul Greenwalt val = rd32(hw, GL_MDCK_TX_TDPU); 25749d5c5a52SPaul Greenwalt val |= GL_MDCK_TX_TDPU_RCU_ANTISPOOF_ITR_DIS_M; 25759d5c5a52SPaul Greenwalt wr32(hw, GL_MDCK_TX_TDPU, val); 25769d5c5a52SPaul Greenwalt 2577940b61afSAnirudh Venkataramanan /* clear things first */ 2578940b61afSAnirudh Venkataramanan wr32(hw, PFINT_OICR_ENA, 0); /* disable all */ 2579940b61afSAnirudh Venkataramanan rd32(hw, PFINT_OICR); /* read to clear */ 2580940b61afSAnirudh Venkataramanan 25813bcd7fa3SBruce Allan val = (PFINT_OICR_ECC_ERR_M | 2582940b61afSAnirudh Venkataramanan PFINT_OICR_MAL_DETECT_M | 2583940b61afSAnirudh Venkataramanan PFINT_OICR_GRST_M | 2584940b61afSAnirudh Venkataramanan PFINT_OICR_PCI_EXCEPTION_M | 2585007676b4SAnirudh Venkataramanan PFINT_OICR_VFLR_M | 25863bcd7fa3SBruce Allan PFINT_OICR_HMC_ERR_M | 25873bcd7fa3SBruce Allan PFINT_OICR_PE_CRITERR_M); 2588940b61afSAnirudh Venkataramanan 2589940b61afSAnirudh Venkataramanan wr32(hw, PFINT_OICR_ENA, val); 2590940b61afSAnirudh Venkataramanan 2591940b61afSAnirudh Venkataramanan /* SW_ITR_IDX = 0, but don't change INTENA */ 2592cbe66bfeSBrett Creeley wr32(hw, GLINT_DYN_CTL(pf->oicr_idx), 2593940b61afSAnirudh Venkataramanan GLINT_DYN_CTL_SW_ITR_INDX_M | GLINT_DYN_CTL_INTENA_MSK_M); 2594940b61afSAnirudh Venkataramanan } 2595940b61afSAnirudh Venkataramanan 2596940b61afSAnirudh Venkataramanan /** 2597940b61afSAnirudh Venkataramanan * ice_misc_intr - misc interrupt handler 2598940b61afSAnirudh Venkataramanan * @irq: interrupt number 2599940b61afSAnirudh Venkataramanan * @data: pointer to a q_vector 2600940b61afSAnirudh Venkataramanan */ 2601940b61afSAnirudh Venkataramanan static irqreturn_t ice_misc_intr(int __always_unused irq, void *data) 2602940b61afSAnirudh Venkataramanan { 2603940b61afSAnirudh Venkataramanan struct ice_pf *pf = (struct ice_pf *)data; 2604940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 2605940b61afSAnirudh Venkataramanan irqreturn_t ret = IRQ_NONE; 26064015d11eSBrett Creeley struct device *dev; 2607940b61afSAnirudh Venkataramanan u32 oicr, ena_mask; 2608940b61afSAnirudh Venkataramanan 26094015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 2610940b61afSAnirudh Venkataramanan set_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state); 261175d2b253SAnirudh Venkataramanan set_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state); 2612940b61afSAnirudh Venkataramanan 2613940b61afSAnirudh Venkataramanan oicr = rd32(hw, PFINT_OICR); 2614940b61afSAnirudh Venkataramanan ena_mask = rd32(hw, PFINT_OICR_ENA); 2615940b61afSAnirudh Venkataramanan 26160e674aebSAnirudh Venkataramanan if (oicr & PFINT_OICR_SWINT_M) { 26170e674aebSAnirudh Venkataramanan ena_mask &= ~PFINT_OICR_SWINT_M; 26180e674aebSAnirudh Venkataramanan pf->sw_int_count++; 26190e674aebSAnirudh Venkataramanan } 26200e674aebSAnirudh Venkataramanan 2621b3969fd7SSudheer Mogilappagari if (oicr & PFINT_OICR_MAL_DETECT_M) { 2622b3969fd7SSudheer Mogilappagari ena_mask &= ~PFINT_OICR_MAL_DETECT_M; 2623b3969fd7SSudheer Mogilappagari set_bit(__ICE_MDD_EVENT_PENDING, pf->state); 2624b3969fd7SSudheer Mogilappagari } 2625007676b4SAnirudh Venkataramanan if (oicr & PFINT_OICR_VFLR_M) { 2626f844d521SBrett Creeley /* disable any further VFLR event notifications */ 2627f844d521SBrett Creeley if (test_bit(__ICE_VF_RESETS_DISABLED, pf->state)) { 2628f844d521SBrett Creeley u32 reg = rd32(hw, PFINT_OICR_ENA); 2629f844d521SBrett Creeley 2630f844d521SBrett Creeley reg &= ~PFINT_OICR_VFLR_M; 2631f844d521SBrett Creeley wr32(hw, PFINT_OICR_ENA, reg); 2632f844d521SBrett Creeley } else { 2633007676b4SAnirudh Venkataramanan ena_mask &= ~PFINT_OICR_VFLR_M; 2634007676b4SAnirudh Venkataramanan set_bit(__ICE_VFLR_EVENT_PENDING, pf->state); 2635007676b4SAnirudh Venkataramanan } 2636f844d521SBrett Creeley } 2637b3969fd7SSudheer Mogilappagari 26380b28b702SAnirudh Venkataramanan if (oicr & PFINT_OICR_GRST_M) { 26390b28b702SAnirudh Venkataramanan u32 reset; 2640b3969fd7SSudheer Mogilappagari 26410b28b702SAnirudh Venkataramanan /* we have a reset warning */ 26420b28b702SAnirudh Venkataramanan ena_mask &= ~PFINT_OICR_GRST_M; 26430b28b702SAnirudh Venkataramanan reset = (rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_RESET_TYPE_M) >> 26440b28b702SAnirudh Venkataramanan GLGEN_RSTAT_RESET_TYPE_S; 26450b28b702SAnirudh Venkataramanan 26460b28b702SAnirudh Venkataramanan if (reset == ICE_RESET_CORER) 26470b28b702SAnirudh Venkataramanan pf->corer_count++; 26480b28b702SAnirudh Venkataramanan else if (reset == ICE_RESET_GLOBR) 26490b28b702SAnirudh Venkataramanan pf->globr_count++; 2650ca4929b6SBrett Creeley else if (reset == ICE_RESET_EMPR) 26510b28b702SAnirudh Venkataramanan pf->empr_count++; 2652ca4929b6SBrett Creeley else 26534015d11eSBrett Creeley dev_dbg(dev, "Invalid reset type %d\n", reset); 26540b28b702SAnirudh Venkataramanan 26550b28b702SAnirudh Venkataramanan /* If a reset cycle isn't already in progress, we set a bit in 26560b28b702SAnirudh Venkataramanan * pf->state so that the service task can start a reset/rebuild. 26570b28b702SAnirudh Venkataramanan * We also make note of which reset happened so that peer 26580b28b702SAnirudh Venkataramanan * devices/drivers can be informed. 26590b28b702SAnirudh Venkataramanan */ 26605df7e45dSDave Ertman if (!test_and_set_bit(__ICE_RESET_OICR_RECV, pf->state)) { 26610b28b702SAnirudh Venkataramanan if (reset == ICE_RESET_CORER) 26620b28b702SAnirudh Venkataramanan set_bit(__ICE_CORER_RECV, pf->state); 26630b28b702SAnirudh Venkataramanan else if (reset == ICE_RESET_GLOBR) 26640b28b702SAnirudh Venkataramanan set_bit(__ICE_GLOBR_RECV, pf->state); 26650b28b702SAnirudh Venkataramanan else 26660b28b702SAnirudh Venkataramanan set_bit(__ICE_EMPR_RECV, pf->state); 26670b28b702SAnirudh Venkataramanan 2668fd2a9817SAnirudh Venkataramanan /* There are couple of different bits at play here. 2669fd2a9817SAnirudh Venkataramanan * hw->reset_ongoing indicates whether the hardware is 2670fd2a9817SAnirudh Venkataramanan * in reset. This is set to true when a reset interrupt 2671fd2a9817SAnirudh Venkataramanan * is received and set back to false after the driver 2672fd2a9817SAnirudh Venkataramanan * has determined that the hardware is out of reset. 2673fd2a9817SAnirudh Venkataramanan * 26745df7e45dSDave Ertman * __ICE_RESET_OICR_RECV in pf->state indicates 2675fd2a9817SAnirudh Venkataramanan * that a post reset rebuild is required before the 2676fd2a9817SAnirudh Venkataramanan * driver is operational again. This is set above. 2677fd2a9817SAnirudh Venkataramanan * 2678fd2a9817SAnirudh Venkataramanan * As this is the start of the reset/rebuild cycle, set 2679fd2a9817SAnirudh Venkataramanan * both to indicate that. 2680fd2a9817SAnirudh Venkataramanan */ 2681fd2a9817SAnirudh Venkataramanan hw->reset_ongoing = true; 26820b28b702SAnirudh Venkataramanan } 26830b28b702SAnirudh Venkataramanan } 26840b28b702SAnirudh Venkataramanan 2685940b61afSAnirudh Venkataramanan if (oicr & PFINT_OICR_HMC_ERR_M) { 2686940b61afSAnirudh Venkataramanan ena_mask &= ~PFINT_OICR_HMC_ERR_M; 26874015d11eSBrett Creeley dev_dbg(dev, "HMC Error interrupt - info 0x%x, data 0x%x\n", 2688940b61afSAnirudh Venkataramanan rd32(hw, PFHMC_ERRORINFO), 2689940b61afSAnirudh Venkataramanan rd32(hw, PFHMC_ERRORDATA)); 2690940b61afSAnirudh Venkataramanan } 2691940b61afSAnirudh Venkataramanan 26928d7189d2SMd Fahad Iqbal Polash /* Report any remaining unexpected interrupts */ 2693940b61afSAnirudh Venkataramanan oicr &= ena_mask; 2694940b61afSAnirudh Venkataramanan if (oicr) { 26954015d11eSBrett Creeley dev_dbg(dev, "unhandled interrupt oicr=0x%08x\n", oicr); 2696940b61afSAnirudh Venkataramanan /* If a critical error is pending there is no choice but to 2697940b61afSAnirudh Venkataramanan * reset the device. 2698940b61afSAnirudh Venkataramanan */ 2699940b61afSAnirudh Venkataramanan if (oicr & (PFINT_OICR_PE_CRITERR_M | 2700940b61afSAnirudh Venkataramanan PFINT_OICR_PCI_EXCEPTION_M | 27010b28b702SAnirudh Venkataramanan PFINT_OICR_ECC_ERR_M)) { 2702940b61afSAnirudh Venkataramanan set_bit(__ICE_PFR_REQ, pf->state); 27030b28b702SAnirudh Venkataramanan ice_service_task_schedule(pf); 27040b28b702SAnirudh Venkataramanan } 2705940b61afSAnirudh Venkataramanan } 2706940b61afSAnirudh Venkataramanan ret = IRQ_HANDLED; 2707940b61afSAnirudh Venkataramanan 2708940b61afSAnirudh Venkataramanan ice_service_task_schedule(pf); 2709cdedef59SAnirudh Venkataramanan ice_irq_dynamic_ena(hw, NULL, NULL); 2710940b61afSAnirudh Venkataramanan 2711940b61afSAnirudh Venkataramanan return ret; 2712940b61afSAnirudh Venkataramanan } 2713940b61afSAnirudh Venkataramanan 2714940b61afSAnirudh Venkataramanan /** 27150e04e8e1SBrett Creeley * ice_dis_ctrlq_interrupts - disable control queue interrupts 27160e04e8e1SBrett Creeley * @hw: pointer to HW structure 27170e04e8e1SBrett Creeley */ 27180e04e8e1SBrett Creeley static void ice_dis_ctrlq_interrupts(struct ice_hw *hw) 27190e04e8e1SBrett Creeley { 27200e04e8e1SBrett Creeley /* disable Admin queue Interrupt causes */ 27210e04e8e1SBrett Creeley wr32(hw, PFINT_FW_CTL, 27220e04e8e1SBrett Creeley rd32(hw, PFINT_FW_CTL) & ~PFINT_FW_CTL_CAUSE_ENA_M); 27230e04e8e1SBrett Creeley 27240e04e8e1SBrett Creeley /* disable Mailbox queue Interrupt causes */ 27250e04e8e1SBrett Creeley wr32(hw, PFINT_MBX_CTL, 27260e04e8e1SBrett Creeley rd32(hw, PFINT_MBX_CTL) & ~PFINT_MBX_CTL_CAUSE_ENA_M); 27270e04e8e1SBrett Creeley 27280e04e8e1SBrett Creeley /* disable Control queue Interrupt causes */ 27290e04e8e1SBrett Creeley wr32(hw, PFINT_OICR_CTL, 27300e04e8e1SBrett Creeley rd32(hw, PFINT_OICR_CTL) & ~PFINT_OICR_CTL_CAUSE_ENA_M); 27310e04e8e1SBrett Creeley 27320e04e8e1SBrett Creeley ice_flush(hw); 27330e04e8e1SBrett Creeley } 27340e04e8e1SBrett Creeley 27350e04e8e1SBrett Creeley /** 2736940b61afSAnirudh Venkataramanan * ice_free_irq_msix_misc - Unroll misc vector setup 2737940b61afSAnirudh Venkataramanan * @pf: board private structure 2738940b61afSAnirudh Venkataramanan */ 2739940b61afSAnirudh Venkataramanan static void ice_free_irq_msix_misc(struct ice_pf *pf) 2740940b61afSAnirudh Venkataramanan { 27410e04e8e1SBrett Creeley struct ice_hw *hw = &pf->hw; 27420e04e8e1SBrett Creeley 27430e04e8e1SBrett Creeley ice_dis_ctrlq_interrupts(hw); 27440e04e8e1SBrett Creeley 2745940b61afSAnirudh Venkataramanan /* disable OICR interrupt */ 27460e04e8e1SBrett Creeley wr32(hw, PFINT_OICR_ENA, 0); 27470e04e8e1SBrett Creeley ice_flush(hw); 2748940b61afSAnirudh Venkataramanan 2749ba880734SBrett Creeley if (pf->msix_entries) { 2750cbe66bfeSBrett Creeley synchronize_irq(pf->msix_entries[pf->oicr_idx].vector); 27514015d11eSBrett Creeley devm_free_irq(ice_pf_to_dev(pf), 2752cbe66bfeSBrett Creeley pf->msix_entries[pf->oicr_idx].vector, pf); 2753940b61afSAnirudh Venkataramanan } 2754940b61afSAnirudh Venkataramanan 2755eb0208ecSPreethi Banala pf->num_avail_sw_msix += 1; 2756cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, pf->oicr_idx, ICE_RES_MISC_VEC_ID); 2757940b61afSAnirudh Venkataramanan } 2758940b61afSAnirudh Venkataramanan 2759940b61afSAnirudh Venkataramanan /** 27600e04e8e1SBrett Creeley * ice_ena_ctrlq_interrupts - enable control queue interrupts 27610e04e8e1SBrett Creeley * @hw: pointer to HW structure 2762b07833a0SBrett Creeley * @reg_idx: HW vector index to associate the control queue interrupts with 27630e04e8e1SBrett Creeley */ 2764b07833a0SBrett Creeley static void ice_ena_ctrlq_interrupts(struct ice_hw *hw, u16 reg_idx) 27650e04e8e1SBrett Creeley { 27660e04e8e1SBrett Creeley u32 val; 27670e04e8e1SBrett Creeley 2768b07833a0SBrett Creeley val = ((reg_idx & PFINT_OICR_CTL_MSIX_INDX_M) | 27690e04e8e1SBrett Creeley PFINT_OICR_CTL_CAUSE_ENA_M); 27700e04e8e1SBrett Creeley wr32(hw, PFINT_OICR_CTL, val); 27710e04e8e1SBrett Creeley 27720e04e8e1SBrett Creeley /* enable Admin queue Interrupt causes */ 2773b07833a0SBrett Creeley val = ((reg_idx & PFINT_FW_CTL_MSIX_INDX_M) | 27740e04e8e1SBrett Creeley PFINT_FW_CTL_CAUSE_ENA_M); 27750e04e8e1SBrett Creeley wr32(hw, PFINT_FW_CTL, val); 27760e04e8e1SBrett Creeley 27770e04e8e1SBrett Creeley /* enable Mailbox queue Interrupt causes */ 2778b07833a0SBrett Creeley val = ((reg_idx & PFINT_MBX_CTL_MSIX_INDX_M) | 27790e04e8e1SBrett Creeley PFINT_MBX_CTL_CAUSE_ENA_M); 27800e04e8e1SBrett Creeley wr32(hw, PFINT_MBX_CTL, val); 27810e04e8e1SBrett Creeley 27820e04e8e1SBrett Creeley ice_flush(hw); 27830e04e8e1SBrett Creeley } 27840e04e8e1SBrett Creeley 27850e04e8e1SBrett Creeley /** 2786940b61afSAnirudh Venkataramanan * ice_req_irq_msix_misc - Setup the misc vector to handle non queue events 2787940b61afSAnirudh Venkataramanan * @pf: board private structure 2788940b61afSAnirudh Venkataramanan * 2789940b61afSAnirudh Venkataramanan * This sets up the handler for MSIX 0, which is used to manage the 2790940b61afSAnirudh Venkataramanan * non-queue interrupts, e.g. AdminQ and errors. This is not used 2791940b61afSAnirudh Venkataramanan * when in MSI or Legacy interrupt mode. 2792940b61afSAnirudh Venkataramanan */ 2793940b61afSAnirudh Venkataramanan static int ice_req_irq_msix_misc(struct ice_pf *pf) 2794940b61afSAnirudh Venkataramanan { 27954015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 2796940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 2797940b61afSAnirudh Venkataramanan int oicr_idx, err = 0; 2798940b61afSAnirudh Venkataramanan 2799940b61afSAnirudh Venkataramanan if (!pf->int_name[0]) 2800940b61afSAnirudh Venkataramanan snprintf(pf->int_name, sizeof(pf->int_name) - 1, "%s-%s:misc", 28014015d11eSBrett Creeley dev_driver_string(dev), dev_name(dev)); 2802940b61afSAnirudh Venkataramanan 28030b28b702SAnirudh Venkataramanan /* Do not request IRQ but do enable OICR interrupt since settings are 28040b28b702SAnirudh Venkataramanan * lost during reset. Note that this function is called only during 28050b28b702SAnirudh Venkataramanan * rebuild path and not while reset is in progress. 28060b28b702SAnirudh Venkataramanan */ 28075df7e45dSDave Ertman if (ice_is_reset_in_progress(pf->state)) 28080b28b702SAnirudh Venkataramanan goto skip_req_irq; 28090b28b702SAnirudh Venkataramanan 2810cbe66bfeSBrett Creeley /* reserve one vector in irq_tracker for misc interrupts */ 2811cbe66bfeSBrett Creeley oicr_idx = ice_get_res(pf, pf->irq_tracker, 1, ICE_RES_MISC_VEC_ID); 2812940b61afSAnirudh Venkataramanan if (oicr_idx < 0) 2813940b61afSAnirudh Venkataramanan return oicr_idx; 2814940b61afSAnirudh Venkataramanan 2815eb0208ecSPreethi Banala pf->num_avail_sw_msix -= 1; 281688865fc4SKarol Kolacinski pf->oicr_idx = (u16)oicr_idx; 2817940b61afSAnirudh Venkataramanan 28184015d11eSBrett Creeley err = devm_request_irq(dev, pf->msix_entries[pf->oicr_idx].vector, 2819940b61afSAnirudh Venkataramanan ice_misc_intr, 0, pf->int_name, pf); 2820940b61afSAnirudh Venkataramanan if (err) { 28214015d11eSBrett Creeley dev_err(dev, "devm_request_irq for %s failed: %d\n", 2822940b61afSAnirudh Venkataramanan pf->int_name, err); 2823cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, 1, ICE_RES_MISC_VEC_ID); 2824eb0208ecSPreethi Banala pf->num_avail_sw_msix += 1; 2825940b61afSAnirudh Venkataramanan return err; 2826940b61afSAnirudh Venkataramanan } 2827940b61afSAnirudh Venkataramanan 28280b28b702SAnirudh Venkataramanan skip_req_irq: 2829940b61afSAnirudh Venkataramanan ice_ena_misc_vector(pf); 2830940b61afSAnirudh Venkataramanan 2831cbe66bfeSBrett Creeley ice_ena_ctrlq_interrupts(hw, pf->oicr_idx); 2832cbe66bfeSBrett Creeley wr32(hw, GLINT_ITR(ICE_RX_ITR, pf->oicr_idx), 283363f545edSBrett Creeley ITR_REG_ALIGN(ICE_ITR_8K) >> ICE_ITR_GRAN_S); 2834940b61afSAnirudh Venkataramanan 2835940b61afSAnirudh Venkataramanan ice_flush(hw); 2836cdedef59SAnirudh Venkataramanan ice_irq_dynamic_ena(hw, NULL, NULL); 2837940b61afSAnirudh Venkataramanan 2838940b61afSAnirudh Venkataramanan return 0; 2839940b61afSAnirudh Venkataramanan } 2840940b61afSAnirudh Venkataramanan 2841940b61afSAnirudh Venkataramanan /** 2842df0f8479SAnirudh Venkataramanan * ice_napi_add - register NAPI handler for the VSI 2843df0f8479SAnirudh Venkataramanan * @vsi: VSI for which NAPI handler is to be registered 2844df0f8479SAnirudh Venkataramanan * 2845df0f8479SAnirudh Venkataramanan * This function is only called in the driver's load path. Registering the NAPI 2846df0f8479SAnirudh Venkataramanan * handler is done in ice_vsi_alloc_q_vector() for all other cases (i.e. resume, 2847df0f8479SAnirudh Venkataramanan * reset/rebuild, etc.) 2848df0f8479SAnirudh Venkataramanan */ 2849df0f8479SAnirudh Venkataramanan static void ice_napi_add(struct ice_vsi *vsi) 2850df0f8479SAnirudh Venkataramanan { 2851df0f8479SAnirudh Venkataramanan int v_idx; 2852df0f8479SAnirudh Venkataramanan 2853df0f8479SAnirudh Venkataramanan if (!vsi->netdev) 2854df0f8479SAnirudh Venkataramanan return; 2855df0f8479SAnirudh Venkataramanan 28560c2561c8SBrett Creeley ice_for_each_q_vector(vsi, v_idx) 2857df0f8479SAnirudh Venkataramanan netif_napi_add(vsi->netdev, &vsi->q_vectors[v_idx]->napi, 2858df0f8479SAnirudh Venkataramanan ice_napi_poll, NAPI_POLL_WEIGHT); 2859df0f8479SAnirudh Venkataramanan } 2860df0f8479SAnirudh Venkataramanan 2861df0f8479SAnirudh Venkataramanan /** 2862462acf6aSTony Nguyen * ice_set_ops - set netdev and ethtools ops for the given netdev 2863462acf6aSTony Nguyen * @netdev: netdev instance 28643a858ba3SAnirudh Venkataramanan */ 2865462acf6aSTony Nguyen static void ice_set_ops(struct net_device *netdev) 28663a858ba3SAnirudh Venkataramanan { 2867462acf6aSTony Nguyen struct ice_pf *pf = ice_netdev_to_pf(netdev); 2868462acf6aSTony Nguyen 2869462acf6aSTony Nguyen if (ice_is_safe_mode(pf)) { 2870462acf6aSTony Nguyen netdev->netdev_ops = &ice_netdev_safe_mode_ops; 2871462acf6aSTony Nguyen ice_set_ethtool_safe_mode_ops(netdev); 2872462acf6aSTony Nguyen return; 2873462acf6aSTony Nguyen } 2874462acf6aSTony Nguyen 2875462acf6aSTony Nguyen netdev->netdev_ops = &ice_netdev_ops; 2876462acf6aSTony Nguyen ice_set_ethtool_ops(netdev); 2877462acf6aSTony Nguyen } 2878462acf6aSTony Nguyen 2879462acf6aSTony Nguyen /** 2880462acf6aSTony Nguyen * ice_set_netdev_features - set features for the given netdev 2881462acf6aSTony Nguyen * @netdev: netdev instance 2882462acf6aSTony Nguyen */ 2883462acf6aSTony Nguyen static void ice_set_netdev_features(struct net_device *netdev) 2884462acf6aSTony Nguyen { 2885462acf6aSTony Nguyen struct ice_pf *pf = ice_netdev_to_pf(netdev); 2886d76a60baSAnirudh Venkataramanan netdev_features_t csumo_features; 2887d76a60baSAnirudh Venkataramanan netdev_features_t vlano_features; 2888d76a60baSAnirudh Venkataramanan netdev_features_t dflt_features; 2889d76a60baSAnirudh Venkataramanan netdev_features_t tso_features; 28903a858ba3SAnirudh Venkataramanan 2891462acf6aSTony Nguyen if (ice_is_safe_mode(pf)) { 2892462acf6aSTony Nguyen /* safe mode */ 2893462acf6aSTony Nguyen netdev->features = NETIF_F_SG | NETIF_F_HIGHDMA; 2894462acf6aSTony Nguyen netdev->hw_features = netdev->features; 2895462acf6aSTony Nguyen return; 2896462acf6aSTony Nguyen } 28973a858ba3SAnirudh Venkataramanan 2898d76a60baSAnirudh Venkataramanan dflt_features = NETIF_F_SG | 28993a858ba3SAnirudh Venkataramanan NETIF_F_HIGHDMA | 2900148beb61SHenry Tieman NETIF_F_NTUPLE | 29013a858ba3SAnirudh Venkataramanan NETIF_F_RXHASH; 29023a858ba3SAnirudh Venkataramanan 2903d76a60baSAnirudh Venkataramanan csumo_features = NETIF_F_RXCSUM | 2904d76a60baSAnirudh Venkataramanan NETIF_F_IP_CSUM | 2905cf909e19SAnirudh Venkataramanan NETIF_F_SCTP_CRC | 2906d76a60baSAnirudh Venkataramanan NETIF_F_IPV6_CSUM; 2907d76a60baSAnirudh Venkataramanan 2908d76a60baSAnirudh Venkataramanan vlano_features = NETIF_F_HW_VLAN_CTAG_FILTER | 2909d76a60baSAnirudh Venkataramanan NETIF_F_HW_VLAN_CTAG_TX | 2910d76a60baSAnirudh Venkataramanan NETIF_F_HW_VLAN_CTAG_RX; 2911d76a60baSAnirudh Venkataramanan 2912a54e3b8cSBrett Creeley tso_features = NETIF_F_TSO | 2913a4e82a81STony Nguyen NETIF_F_TSO_ECN | 2914a4e82a81STony Nguyen NETIF_F_TSO6 | 2915a4e82a81STony Nguyen NETIF_F_GSO_GRE | 2916a4e82a81STony Nguyen NETIF_F_GSO_UDP_TUNNEL | 2917a4e82a81STony Nguyen NETIF_F_GSO_GRE_CSUM | 2918a4e82a81STony Nguyen NETIF_F_GSO_UDP_TUNNEL_CSUM | 2919a4e82a81STony Nguyen NETIF_F_GSO_PARTIAL | 2920a4e82a81STony Nguyen NETIF_F_GSO_IPXIP4 | 2921a4e82a81STony Nguyen NETIF_F_GSO_IPXIP6 | 2922a54e3b8cSBrett Creeley NETIF_F_GSO_UDP_L4; 2923d76a60baSAnirudh Venkataramanan 2924a4e82a81STony Nguyen netdev->gso_partial_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM | 2925a4e82a81STony Nguyen NETIF_F_GSO_GRE_CSUM; 2926d76a60baSAnirudh Venkataramanan /* set features that user can change */ 2927d76a60baSAnirudh Venkataramanan netdev->hw_features = dflt_features | csumo_features | 2928d76a60baSAnirudh Venkataramanan vlano_features | tso_features; 2929d76a60baSAnirudh Venkataramanan 2930a4e82a81STony Nguyen /* add support for HW_CSUM on packets with MPLS header */ 2931a4e82a81STony Nguyen netdev->mpls_features = NETIF_F_HW_CSUM; 2932a4e82a81STony Nguyen 29333a858ba3SAnirudh Venkataramanan /* enable features */ 29343a858ba3SAnirudh Venkataramanan netdev->features |= netdev->hw_features; 2935d76a60baSAnirudh Venkataramanan /* encap and VLAN devices inherit default, csumo and tso features */ 2936d76a60baSAnirudh Venkataramanan netdev->hw_enc_features |= dflt_features | csumo_features | 2937d76a60baSAnirudh Venkataramanan tso_features; 2938d76a60baSAnirudh Venkataramanan netdev->vlan_features |= dflt_features | csumo_features | 2939d76a60baSAnirudh Venkataramanan tso_features; 2940462acf6aSTony Nguyen } 2941462acf6aSTony Nguyen 2942462acf6aSTony Nguyen /** 2943462acf6aSTony Nguyen * ice_cfg_netdev - Allocate, configure and register a netdev 2944462acf6aSTony Nguyen * @vsi: the VSI associated with the new netdev 2945462acf6aSTony Nguyen * 2946462acf6aSTony Nguyen * Returns 0 on success, negative value on failure 2947462acf6aSTony Nguyen */ 2948462acf6aSTony Nguyen static int ice_cfg_netdev(struct ice_vsi *vsi) 2949462acf6aSTony Nguyen { 2950462acf6aSTony Nguyen struct ice_pf *pf = vsi->back; 2951462acf6aSTony Nguyen struct ice_netdev_priv *np; 2952462acf6aSTony Nguyen struct net_device *netdev; 2953462acf6aSTony Nguyen u8 mac_addr[ETH_ALEN]; 2954462acf6aSTony Nguyen int err; 2955462acf6aSTony Nguyen 29561adf7eadSJacob Keller err = ice_devlink_create_port(pf); 29571adf7eadSJacob Keller if (err) 29581adf7eadSJacob Keller return err; 29591adf7eadSJacob Keller 2960462acf6aSTony Nguyen netdev = alloc_etherdev_mqs(sizeof(*np), vsi->alloc_txq, 2961462acf6aSTony Nguyen vsi->alloc_rxq); 29621adf7eadSJacob Keller if (!netdev) { 29631adf7eadSJacob Keller err = -ENOMEM; 29641adf7eadSJacob Keller goto err_destroy_devlink_port; 29651adf7eadSJacob Keller } 2966462acf6aSTony Nguyen 2967462acf6aSTony Nguyen vsi->netdev = netdev; 2968462acf6aSTony Nguyen np = netdev_priv(netdev); 2969462acf6aSTony Nguyen np->vsi = vsi; 2970462acf6aSTony Nguyen 2971462acf6aSTony Nguyen ice_set_netdev_features(netdev); 2972462acf6aSTony Nguyen 2973462acf6aSTony Nguyen ice_set_ops(netdev); 29743a858ba3SAnirudh Venkataramanan 29753a858ba3SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF) { 29764015d11eSBrett Creeley SET_NETDEV_DEV(netdev, ice_pf_to_dev(pf)); 29773a858ba3SAnirudh Venkataramanan ether_addr_copy(mac_addr, vsi->port_info->mac.perm_addr); 29783a858ba3SAnirudh Venkataramanan ether_addr_copy(netdev->dev_addr, mac_addr); 29793a858ba3SAnirudh Venkataramanan ether_addr_copy(netdev->perm_addr, mac_addr); 29803a858ba3SAnirudh Venkataramanan } 29813a858ba3SAnirudh Venkataramanan 29823a858ba3SAnirudh Venkataramanan netdev->priv_flags |= IFF_UNICAST_FLT; 29833a858ba3SAnirudh Venkataramanan 2984462acf6aSTony Nguyen /* Setup netdev TC information */ 2985462acf6aSTony Nguyen ice_vsi_cfg_netdev_tc(vsi, vsi->tc_cfg.ena_tc); 2986cdedef59SAnirudh Venkataramanan 29873a858ba3SAnirudh Venkataramanan /* setup watchdog timeout value to be 5 second */ 29883a858ba3SAnirudh Venkataramanan netdev->watchdog_timeo = 5 * HZ; 29893a858ba3SAnirudh Venkataramanan 29903a858ba3SAnirudh Venkataramanan netdev->min_mtu = ETH_MIN_MTU; 29913a858ba3SAnirudh Venkataramanan netdev->max_mtu = ICE_MAX_MTU; 29923a858ba3SAnirudh Venkataramanan 2993df0f8479SAnirudh Venkataramanan err = register_netdev(vsi->netdev); 29943a858ba3SAnirudh Venkataramanan if (err) 2995c2b313b7SJacob Keller goto err_free_netdev; 29961adf7eadSJacob Keller 29971adf7eadSJacob Keller devlink_port_type_eth_set(&pf->devlink_port, vsi->netdev); 29983a858ba3SAnirudh Venkataramanan 2999df0f8479SAnirudh Venkataramanan netif_carrier_off(vsi->netdev); 30003a858ba3SAnirudh Venkataramanan 3001df0f8479SAnirudh Venkataramanan /* make sure transmit queues start off as stopped */ 3002df0f8479SAnirudh Venkataramanan netif_tx_stop_all_queues(vsi->netdev); 30033a858ba3SAnirudh Venkataramanan 30043a858ba3SAnirudh Venkataramanan return 0; 30051adf7eadSJacob Keller 3006c2b313b7SJacob Keller err_free_netdev: 3007c2b313b7SJacob Keller free_netdev(vsi->netdev); 3008c2b313b7SJacob Keller vsi->netdev = NULL; 30091adf7eadSJacob Keller err_destroy_devlink_port: 30101adf7eadSJacob Keller ice_devlink_destroy_port(pf); 30111adf7eadSJacob Keller return err; 30123a858ba3SAnirudh Venkataramanan } 30133a858ba3SAnirudh Venkataramanan 30143a858ba3SAnirudh Venkataramanan /** 3015d76a60baSAnirudh Venkataramanan * ice_fill_rss_lut - Fill the RSS lookup table with default values 3016d76a60baSAnirudh Venkataramanan * @lut: Lookup table 3017d76a60baSAnirudh Venkataramanan * @rss_table_size: Lookup table size 3018d76a60baSAnirudh Venkataramanan * @rss_size: Range of queue number for hashing 3019d76a60baSAnirudh Venkataramanan */ 3020d76a60baSAnirudh Venkataramanan void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size) 3021d76a60baSAnirudh Venkataramanan { 3022d76a60baSAnirudh Venkataramanan u16 i; 3023d76a60baSAnirudh Venkataramanan 3024d76a60baSAnirudh Venkataramanan for (i = 0; i < rss_table_size; i++) 3025d76a60baSAnirudh Venkataramanan lut[i] = i % rss_size; 3026d76a60baSAnirudh Venkataramanan } 3027d76a60baSAnirudh Venkataramanan 3028d76a60baSAnirudh Venkataramanan /** 30290f9d5027SAnirudh Venkataramanan * ice_pf_vsi_setup - Set up a PF VSI 30300f9d5027SAnirudh Venkataramanan * @pf: board private structure 30310f9d5027SAnirudh Venkataramanan * @pi: pointer to the port_info instance 30320f9d5027SAnirudh Venkataramanan * 30330e674aebSAnirudh Venkataramanan * Returns pointer to the successfully allocated VSI software struct 30340e674aebSAnirudh Venkataramanan * on success, otherwise returns NULL on failure. 30350f9d5027SAnirudh Venkataramanan */ 30360f9d5027SAnirudh Venkataramanan static struct ice_vsi * 30370f9d5027SAnirudh Venkataramanan ice_pf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi) 30380f9d5027SAnirudh Venkataramanan { 30390f9d5027SAnirudh Venkataramanan return ice_vsi_setup(pf, pi, ICE_VSI_PF, ICE_INVAL_VFID); 30400f9d5027SAnirudh Venkataramanan } 30410f9d5027SAnirudh Venkataramanan 30420f9d5027SAnirudh Venkataramanan /** 3043148beb61SHenry Tieman * ice_ctrl_vsi_setup - Set up a control VSI 3044148beb61SHenry Tieman * @pf: board private structure 3045148beb61SHenry Tieman * @pi: pointer to the port_info instance 3046148beb61SHenry Tieman * 3047148beb61SHenry Tieman * Returns pointer to the successfully allocated VSI software struct 3048148beb61SHenry Tieman * on success, otherwise returns NULL on failure. 3049148beb61SHenry Tieman */ 3050148beb61SHenry Tieman static struct ice_vsi * 3051148beb61SHenry Tieman ice_ctrl_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi) 3052148beb61SHenry Tieman { 3053148beb61SHenry Tieman return ice_vsi_setup(pf, pi, ICE_VSI_CTRL, ICE_INVAL_VFID); 3054148beb61SHenry Tieman } 3055148beb61SHenry Tieman 3056148beb61SHenry Tieman /** 30570e674aebSAnirudh Venkataramanan * ice_lb_vsi_setup - Set up a loopback VSI 30580e674aebSAnirudh Venkataramanan * @pf: board private structure 30590e674aebSAnirudh Venkataramanan * @pi: pointer to the port_info instance 30600e674aebSAnirudh Venkataramanan * 30610e674aebSAnirudh Venkataramanan * Returns pointer to the successfully allocated VSI software struct 30620e674aebSAnirudh Venkataramanan * on success, otherwise returns NULL on failure. 30630e674aebSAnirudh Venkataramanan */ 30640e674aebSAnirudh Venkataramanan struct ice_vsi * 30650e674aebSAnirudh Venkataramanan ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi) 30660e674aebSAnirudh Venkataramanan { 30670e674aebSAnirudh Venkataramanan return ice_vsi_setup(pf, pi, ICE_VSI_LB, ICE_INVAL_VFID); 30680e674aebSAnirudh Venkataramanan } 30690e674aebSAnirudh Venkataramanan 30700e674aebSAnirudh Venkataramanan /** 3071f9867df6SAnirudh Venkataramanan * ice_vlan_rx_add_vid - Add a VLAN ID filter to HW offload 3072d76a60baSAnirudh Venkataramanan * @netdev: network interface to be adjusted 3073d76a60baSAnirudh Venkataramanan * @proto: unused protocol 3074f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be added 3075d76a60baSAnirudh Venkataramanan * 3076f9867df6SAnirudh Venkataramanan * net_device_ops implementation for adding VLAN IDs 3077d76a60baSAnirudh Venkataramanan */ 3078c8b7abddSBruce Allan static int 3079c8b7abddSBruce Allan ice_vlan_rx_add_vid(struct net_device *netdev, __always_unused __be16 proto, 3080c8b7abddSBruce Allan u16 vid) 3081d76a60baSAnirudh Venkataramanan { 3082d76a60baSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 3083d76a60baSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 30845eda8afdSAkeem G Abodunrin int ret; 3085d76a60baSAnirudh Venkataramanan 3086d76a60baSAnirudh Venkataramanan if (vid >= VLAN_N_VID) { 3087d76a60baSAnirudh Venkataramanan netdev_err(netdev, "VLAN id requested %d is out of range %d\n", 3088d76a60baSAnirudh Venkataramanan vid, VLAN_N_VID); 3089d76a60baSAnirudh Venkataramanan return -EINVAL; 3090d76a60baSAnirudh Venkataramanan } 3091d76a60baSAnirudh Venkataramanan 3092d76a60baSAnirudh Venkataramanan if (vsi->info.pvid) 3093d76a60baSAnirudh Venkataramanan return -EINVAL; 3094d76a60baSAnirudh Venkataramanan 309542f3efefSBrett Creeley /* VLAN 0 is added by default during load/reset */ 309642f3efefSBrett Creeley if (!vid) 309742f3efefSBrett Creeley return 0; 309842f3efefSBrett Creeley 309942f3efefSBrett Creeley /* Enable VLAN pruning when a VLAN other than 0 is added */ 310042f3efefSBrett Creeley if (!ice_vsi_is_vlan_pruning_ena(vsi)) { 31015eda8afdSAkeem G Abodunrin ret = ice_cfg_vlan_pruning(vsi, true, false); 31024f74dcc1SBrett Creeley if (ret) 31034f74dcc1SBrett Creeley return ret; 31044f74dcc1SBrett Creeley } 31054f74dcc1SBrett Creeley 310642f3efefSBrett Creeley /* Add a switch rule for this VLAN ID so its corresponding VLAN tagged 310742f3efefSBrett Creeley * packets aren't pruned by the device's internal switch on Rx 3108d76a60baSAnirudh Venkataramanan */ 31091b8f15b6SMichal Swiatkowski ret = ice_vsi_add_vlan(vsi, vid, ICE_FWD_TO_VSI); 31105eda8afdSAkeem G Abodunrin if (!ret) { 31115eda8afdSAkeem G Abodunrin vsi->vlan_ena = true; 31125eda8afdSAkeem G Abodunrin set_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags); 31135eda8afdSAkeem G Abodunrin } 31145eda8afdSAkeem G Abodunrin 31155eda8afdSAkeem G Abodunrin return ret; 3116d76a60baSAnirudh Venkataramanan } 3117d76a60baSAnirudh Venkataramanan 3118d76a60baSAnirudh Venkataramanan /** 3119f9867df6SAnirudh Venkataramanan * ice_vlan_rx_kill_vid - Remove a VLAN ID filter from HW offload 3120d76a60baSAnirudh Venkataramanan * @netdev: network interface to be adjusted 3121d76a60baSAnirudh Venkataramanan * @proto: unused protocol 3122f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be removed 3123d76a60baSAnirudh Venkataramanan * 3124f9867df6SAnirudh Venkataramanan * net_device_ops implementation for removing VLAN IDs 3125d76a60baSAnirudh Venkataramanan */ 3126c8b7abddSBruce Allan static int 3127c8b7abddSBruce Allan ice_vlan_rx_kill_vid(struct net_device *netdev, __always_unused __be16 proto, 3128c8b7abddSBruce Allan u16 vid) 3129d76a60baSAnirudh Venkataramanan { 3130d76a60baSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 3131d76a60baSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 31325eda8afdSAkeem G Abodunrin int ret; 3133d76a60baSAnirudh Venkataramanan 3134d76a60baSAnirudh Venkataramanan if (vsi->info.pvid) 3135d76a60baSAnirudh Venkataramanan return -EINVAL; 3136d76a60baSAnirudh Venkataramanan 313742f3efefSBrett Creeley /* don't allow removal of VLAN 0 */ 313842f3efefSBrett Creeley if (!vid) 313942f3efefSBrett Creeley return 0; 314042f3efefSBrett Creeley 31414f74dcc1SBrett Creeley /* Make sure ice_vsi_kill_vlan is successful before updating VLAN 31424f74dcc1SBrett Creeley * information 3143d76a60baSAnirudh Venkataramanan */ 31445eda8afdSAkeem G Abodunrin ret = ice_vsi_kill_vlan(vsi, vid); 31455eda8afdSAkeem G Abodunrin if (ret) 31465eda8afdSAkeem G Abodunrin return ret; 3147d76a60baSAnirudh Venkataramanan 314842f3efefSBrett Creeley /* Disable pruning when VLAN 0 is the only VLAN rule */ 314942f3efefSBrett Creeley if (vsi->num_vlan == 1 && ice_vsi_is_vlan_pruning_ena(vsi)) 31505eda8afdSAkeem G Abodunrin ret = ice_cfg_vlan_pruning(vsi, false, false); 31514f74dcc1SBrett Creeley 31525eda8afdSAkeem G Abodunrin vsi->vlan_ena = false; 31535eda8afdSAkeem G Abodunrin set_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags); 31545eda8afdSAkeem G Abodunrin return ret; 3155d76a60baSAnirudh Venkataramanan } 3156d76a60baSAnirudh Venkataramanan 3157d76a60baSAnirudh Venkataramanan /** 31583a858ba3SAnirudh Venkataramanan * ice_setup_pf_sw - Setup the HW switch on startup or after reset 31593a858ba3SAnirudh Venkataramanan * @pf: board private structure 31603a858ba3SAnirudh Venkataramanan * 31613a858ba3SAnirudh Venkataramanan * Returns 0 on success, negative value on failure 31623a858ba3SAnirudh Venkataramanan */ 31633a858ba3SAnirudh Venkataramanan static int ice_setup_pf_sw(struct ice_pf *pf) 31643a858ba3SAnirudh Venkataramanan { 31653a858ba3SAnirudh Venkataramanan struct ice_vsi *vsi; 31663a858ba3SAnirudh Venkataramanan int status = 0; 31673a858ba3SAnirudh Venkataramanan 31685df7e45dSDave Ertman if (ice_is_reset_in_progress(pf->state)) 31690f9d5027SAnirudh Venkataramanan return -EBUSY; 31700f9d5027SAnirudh Venkataramanan 31710f9d5027SAnirudh Venkataramanan vsi = ice_pf_vsi_setup(pf, pf->hw.port_info); 31723a858ba3SAnirudh Venkataramanan if (!vsi) { 31733a858ba3SAnirudh Venkataramanan status = -ENOMEM; 31740f9d5027SAnirudh Venkataramanan goto unroll_vsi_setup; 31750b28b702SAnirudh Venkataramanan } 31763a858ba3SAnirudh Venkataramanan 3177df0f8479SAnirudh Venkataramanan status = ice_cfg_netdev(vsi); 3178df0f8479SAnirudh Venkataramanan if (status) { 3179df0f8479SAnirudh Venkataramanan status = -ENODEV; 3180df0f8479SAnirudh Venkataramanan goto unroll_vsi_setup; 3181df0f8479SAnirudh Venkataramanan } 3182efc2214bSMaciej Fijalkowski /* netdev has to be configured before setting frame size */ 3183efc2214bSMaciej Fijalkowski ice_vsi_cfg_frame_size(vsi); 3184df0f8479SAnirudh Venkataramanan 3185b94b013eSDave Ertman /* Setup DCB netlink interface */ 3186b94b013eSDave Ertman ice_dcbnl_setup(vsi); 3187b94b013eSDave Ertman 3188df0f8479SAnirudh Venkataramanan /* registering the NAPI handler requires both the queues and 3189df0f8479SAnirudh Venkataramanan * netdev to be created, which are done in ice_pf_vsi_setup() 3190df0f8479SAnirudh Venkataramanan * and ice_cfg_netdev() respectively 3191df0f8479SAnirudh Venkataramanan */ 3192df0f8479SAnirudh Venkataramanan ice_napi_add(vsi); 3193df0f8479SAnirudh Venkataramanan 319428bf2672SBrett Creeley status = ice_set_cpu_rx_rmap(vsi); 319528bf2672SBrett Creeley if (status) { 319628bf2672SBrett Creeley dev_err(ice_pf_to_dev(pf), "Failed to set CPU Rx map VSI %d error %d\n", 319728bf2672SBrett Creeley vsi->vsi_num, status); 319828bf2672SBrett Creeley status = -EINVAL; 319928bf2672SBrett Creeley goto unroll_napi_add; 320028bf2672SBrett Creeley } 3201561f4379STony Nguyen status = ice_init_mac_fltr(pf); 32029daf8208SAnirudh Venkataramanan if (status) 320328bf2672SBrett Creeley goto free_cpu_rx_map; 32049daf8208SAnirudh Venkataramanan 32059daf8208SAnirudh Venkataramanan return status; 32069daf8208SAnirudh Venkataramanan 320728bf2672SBrett Creeley free_cpu_rx_map: 320828bf2672SBrett Creeley ice_free_cpu_rx_rmap(vsi); 320928bf2672SBrett Creeley 3210df0f8479SAnirudh Venkataramanan unroll_napi_add: 32113a858ba3SAnirudh Venkataramanan if (vsi) { 3212df0f8479SAnirudh Venkataramanan ice_napi_del(vsi); 32133a858ba3SAnirudh Venkataramanan if (vsi->netdev) { 3214df0f8479SAnirudh Venkataramanan if (vsi->netdev->reg_state == NETREG_REGISTERED) 3215df0f8479SAnirudh Venkataramanan unregister_netdev(vsi->netdev); 32163a858ba3SAnirudh Venkataramanan free_netdev(vsi->netdev); 32173a858ba3SAnirudh Venkataramanan vsi->netdev = NULL; 32183a858ba3SAnirudh Venkataramanan } 3219df0f8479SAnirudh Venkataramanan } 32209daf8208SAnirudh Venkataramanan 3221df0f8479SAnirudh Venkataramanan unroll_vsi_setup: 3222df0f8479SAnirudh Venkataramanan if (vsi) { 3223df0f8479SAnirudh Venkataramanan ice_vsi_free_q_vectors(vsi); 32243a858ba3SAnirudh Venkataramanan ice_vsi_delete(vsi); 32253a858ba3SAnirudh Venkataramanan ice_vsi_put_qs(vsi); 32263a858ba3SAnirudh Venkataramanan ice_vsi_clear(vsi); 32273a858ba3SAnirudh Venkataramanan } 32283a858ba3SAnirudh Venkataramanan return status; 32293a858ba3SAnirudh Venkataramanan } 32303a858ba3SAnirudh Venkataramanan 32313a858ba3SAnirudh Venkataramanan /** 32328c243700SAnirudh Venkataramanan * ice_get_avail_q_count - Get count of queues in use 32338c243700SAnirudh Venkataramanan * @pf_qmap: bitmap to get queue use count from 32348c243700SAnirudh Venkataramanan * @lock: pointer to a mutex that protects access to pf_qmap 32358c243700SAnirudh Venkataramanan * @size: size of the bitmap 3236940b61afSAnirudh Venkataramanan */ 32378c243700SAnirudh Venkataramanan static u16 32388c243700SAnirudh Venkataramanan ice_get_avail_q_count(unsigned long *pf_qmap, struct mutex *lock, u16 size) 3239940b61afSAnirudh Venkataramanan { 324088865fc4SKarol Kolacinski unsigned long bit; 324188865fc4SKarol Kolacinski u16 count = 0; 3242940b61afSAnirudh Venkataramanan 32438c243700SAnirudh Venkataramanan mutex_lock(lock); 32448c243700SAnirudh Venkataramanan for_each_clear_bit(bit, pf_qmap, size) 32458c243700SAnirudh Venkataramanan count++; 32468c243700SAnirudh Venkataramanan mutex_unlock(lock); 3247940b61afSAnirudh Venkataramanan 32488c243700SAnirudh Venkataramanan return count; 32498c243700SAnirudh Venkataramanan } 3250d76a60baSAnirudh Venkataramanan 32518c243700SAnirudh Venkataramanan /** 32528c243700SAnirudh Venkataramanan * ice_get_avail_txq_count - Get count of Tx queues in use 32538c243700SAnirudh Venkataramanan * @pf: pointer to an ice_pf instance 32548c243700SAnirudh Venkataramanan */ 32558c243700SAnirudh Venkataramanan u16 ice_get_avail_txq_count(struct ice_pf *pf) 32568c243700SAnirudh Venkataramanan { 32578c243700SAnirudh Venkataramanan return ice_get_avail_q_count(pf->avail_txqs, &pf->avail_q_mutex, 32588c243700SAnirudh Venkataramanan pf->max_pf_txqs); 32598c243700SAnirudh Venkataramanan } 3260940b61afSAnirudh Venkataramanan 32618c243700SAnirudh Venkataramanan /** 32628c243700SAnirudh Venkataramanan * ice_get_avail_rxq_count - Get count of Rx queues in use 32638c243700SAnirudh Venkataramanan * @pf: pointer to an ice_pf instance 32648c243700SAnirudh Venkataramanan */ 32658c243700SAnirudh Venkataramanan u16 ice_get_avail_rxq_count(struct ice_pf *pf) 32668c243700SAnirudh Venkataramanan { 32678c243700SAnirudh Venkataramanan return ice_get_avail_q_count(pf->avail_rxqs, &pf->avail_q_mutex, 32688c243700SAnirudh Venkataramanan pf->max_pf_rxqs); 3269940b61afSAnirudh Venkataramanan } 3270940b61afSAnirudh Venkataramanan 3271940b61afSAnirudh Venkataramanan /** 3272940b61afSAnirudh Venkataramanan * ice_deinit_pf - Unrolls initialziations done by ice_init_pf 3273940b61afSAnirudh Venkataramanan * @pf: board private structure to initialize 3274940b61afSAnirudh Venkataramanan */ 3275940b61afSAnirudh Venkataramanan static void ice_deinit_pf(struct ice_pf *pf) 3276940b61afSAnirudh Venkataramanan { 32778d81fa55SAkeem G Abodunrin ice_service_task_stop(pf); 3278940b61afSAnirudh Venkataramanan mutex_destroy(&pf->sw_mutex); 3279b94b013eSDave Ertman mutex_destroy(&pf->tc_mutex); 3280940b61afSAnirudh Venkataramanan mutex_destroy(&pf->avail_q_mutex); 328178b5713aSAnirudh Venkataramanan 328278b5713aSAnirudh Venkataramanan if (pf->avail_txqs) { 328378b5713aSAnirudh Venkataramanan bitmap_free(pf->avail_txqs); 328478b5713aSAnirudh Venkataramanan pf->avail_txqs = NULL; 328578b5713aSAnirudh Venkataramanan } 328678b5713aSAnirudh Venkataramanan 328778b5713aSAnirudh Venkataramanan if (pf->avail_rxqs) { 328878b5713aSAnirudh Venkataramanan bitmap_free(pf->avail_rxqs); 328978b5713aSAnirudh Venkataramanan pf->avail_rxqs = NULL; 329078b5713aSAnirudh Venkataramanan } 3291940b61afSAnirudh Venkataramanan } 3292940b61afSAnirudh Venkataramanan 3293940b61afSAnirudh Venkataramanan /** 3294462acf6aSTony Nguyen * ice_set_pf_caps - set PFs capability flags 3295462acf6aSTony Nguyen * @pf: pointer to the PF instance 3296462acf6aSTony Nguyen */ 3297462acf6aSTony Nguyen static void ice_set_pf_caps(struct ice_pf *pf) 3298462acf6aSTony Nguyen { 3299462acf6aSTony Nguyen struct ice_hw_func_caps *func_caps = &pf->hw.func_caps; 3300462acf6aSTony Nguyen 3301462acf6aSTony Nguyen clear_bit(ICE_FLAG_DCB_CAPABLE, pf->flags); 3302462acf6aSTony Nguyen if (func_caps->common_cap.dcb) 3303462acf6aSTony Nguyen set_bit(ICE_FLAG_DCB_CAPABLE, pf->flags); 3304462acf6aSTony Nguyen clear_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags); 3305462acf6aSTony Nguyen if (func_caps->common_cap.sr_iov_1_1) { 3306462acf6aSTony Nguyen set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags); 3307462acf6aSTony Nguyen pf->num_vfs_supported = min_t(int, func_caps->num_allocd_vfs, 3308462acf6aSTony Nguyen ICE_MAX_VF_COUNT); 3309462acf6aSTony Nguyen } 3310462acf6aSTony Nguyen clear_bit(ICE_FLAG_RSS_ENA, pf->flags); 3311462acf6aSTony Nguyen if (func_caps->common_cap.rss_table_size) 3312462acf6aSTony Nguyen set_bit(ICE_FLAG_RSS_ENA, pf->flags); 3313462acf6aSTony Nguyen 3314148beb61SHenry Tieman clear_bit(ICE_FLAG_FD_ENA, pf->flags); 3315148beb61SHenry Tieman if (func_caps->fd_fltr_guar > 0 || func_caps->fd_fltr_best_effort > 0) { 3316148beb61SHenry Tieman u16 unused; 3317148beb61SHenry Tieman 3318148beb61SHenry Tieman /* ctrl_vsi_idx will be set to a valid value when flow director 3319148beb61SHenry Tieman * is setup by ice_init_fdir 3320148beb61SHenry Tieman */ 3321148beb61SHenry Tieman pf->ctrl_vsi_idx = ICE_NO_VSI; 3322148beb61SHenry Tieman set_bit(ICE_FLAG_FD_ENA, pf->flags); 3323148beb61SHenry Tieman /* force guaranteed filter pool for PF */ 3324148beb61SHenry Tieman ice_alloc_fd_guar_item(&pf->hw, &unused, 3325148beb61SHenry Tieman func_caps->fd_fltr_guar); 3326148beb61SHenry Tieman /* force shared filter pool for PF */ 3327148beb61SHenry Tieman ice_alloc_fd_shrd_item(&pf->hw, &unused, 3328148beb61SHenry Tieman func_caps->fd_fltr_best_effort); 3329148beb61SHenry Tieman } 3330148beb61SHenry Tieman 3331462acf6aSTony Nguyen pf->max_pf_txqs = func_caps->common_cap.num_txq; 3332462acf6aSTony Nguyen pf->max_pf_rxqs = func_caps->common_cap.num_rxq; 3333462acf6aSTony Nguyen } 3334462acf6aSTony Nguyen 3335462acf6aSTony Nguyen /** 3336940b61afSAnirudh Venkataramanan * ice_init_pf - Initialize general software structures (struct ice_pf) 3337940b61afSAnirudh Venkataramanan * @pf: board private structure to initialize 3338940b61afSAnirudh Venkataramanan */ 333978b5713aSAnirudh Venkataramanan static int ice_init_pf(struct ice_pf *pf) 3340940b61afSAnirudh Venkataramanan { 3341462acf6aSTony Nguyen ice_set_pf_caps(pf); 3342940b61afSAnirudh Venkataramanan 3343940b61afSAnirudh Venkataramanan mutex_init(&pf->sw_mutex); 3344b94b013eSDave Ertman mutex_init(&pf->tc_mutex); 3345d76a60baSAnirudh Venkataramanan 3346d69ea414SJacob Keller INIT_HLIST_HEAD(&pf->aq_wait_list); 3347d69ea414SJacob Keller spin_lock_init(&pf->aq_wait_lock); 3348d69ea414SJacob Keller init_waitqueue_head(&pf->aq_wait_queue); 3349d69ea414SJacob Keller 3350940b61afSAnirudh Venkataramanan /* setup service timer and periodic service task */ 3351940b61afSAnirudh Venkataramanan timer_setup(&pf->serv_tmr, ice_service_timer, 0); 3352940b61afSAnirudh Venkataramanan pf->serv_tmr_period = HZ; 3353940b61afSAnirudh Venkataramanan INIT_WORK(&pf->serv_task, ice_service_task); 3354940b61afSAnirudh Venkataramanan clear_bit(__ICE_SERVICE_SCHED, pf->state); 335578b5713aSAnirudh Venkataramanan 3356462acf6aSTony Nguyen mutex_init(&pf->avail_q_mutex); 335778b5713aSAnirudh Venkataramanan pf->avail_txqs = bitmap_zalloc(pf->max_pf_txqs, GFP_KERNEL); 335878b5713aSAnirudh Venkataramanan if (!pf->avail_txqs) 335978b5713aSAnirudh Venkataramanan return -ENOMEM; 336078b5713aSAnirudh Venkataramanan 336178b5713aSAnirudh Venkataramanan pf->avail_rxqs = bitmap_zalloc(pf->max_pf_rxqs, GFP_KERNEL); 336278b5713aSAnirudh Venkataramanan if (!pf->avail_rxqs) { 33634015d11eSBrett Creeley devm_kfree(ice_pf_to_dev(pf), pf->avail_txqs); 336478b5713aSAnirudh Venkataramanan pf->avail_txqs = NULL; 336578b5713aSAnirudh Venkataramanan return -ENOMEM; 336678b5713aSAnirudh Venkataramanan } 336778b5713aSAnirudh Venkataramanan 336878b5713aSAnirudh Venkataramanan return 0; 3369940b61afSAnirudh Venkataramanan } 3370940b61afSAnirudh Venkataramanan 3371940b61afSAnirudh Venkataramanan /** 3372940b61afSAnirudh Venkataramanan * ice_ena_msix_range - Request a range of MSIX vectors from the OS 3373940b61afSAnirudh Venkataramanan * @pf: board private structure 3374940b61afSAnirudh Venkataramanan * 3375940b61afSAnirudh Venkataramanan * compute the number of MSIX vectors required (v_budget) and request from 3376940b61afSAnirudh Venkataramanan * the OS. Return the number of vectors reserved or negative on failure 3377940b61afSAnirudh Venkataramanan */ 3378940b61afSAnirudh Venkataramanan static int ice_ena_msix_range(struct ice_pf *pf) 3379940b61afSAnirudh Venkataramanan { 33804015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 3381940b61afSAnirudh Venkataramanan int v_left, v_actual, v_budget = 0; 3382940b61afSAnirudh Venkataramanan int needed, err, i; 3383940b61afSAnirudh Venkataramanan 3384940b61afSAnirudh Venkataramanan v_left = pf->hw.func_caps.common_cap.num_msix_vectors; 3385940b61afSAnirudh Venkataramanan 3386940b61afSAnirudh Venkataramanan /* reserve one vector for miscellaneous handler */ 3387940b61afSAnirudh Venkataramanan needed = 1; 3388152b978aSAnirudh Venkataramanan if (v_left < needed) 3389152b978aSAnirudh Venkataramanan goto no_hw_vecs_left_err; 3390940b61afSAnirudh Venkataramanan v_budget += needed; 3391940b61afSAnirudh Venkataramanan v_left -= needed; 3392940b61afSAnirudh Venkataramanan 3393940b61afSAnirudh Venkataramanan /* reserve vectors for LAN traffic */ 3394152b978aSAnirudh Venkataramanan needed = min_t(int, num_online_cpus(), v_left); 3395152b978aSAnirudh Venkataramanan if (v_left < needed) 3396152b978aSAnirudh Venkataramanan goto no_hw_vecs_left_err; 3397152b978aSAnirudh Venkataramanan pf->num_lan_msix = needed; 3398152b978aSAnirudh Venkataramanan v_budget += needed; 3399152b978aSAnirudh Venkataramanan v_left -= needed; 3400940b61afSAnirudh Venkataramanan 3401148beb61SHenry Tieman /* reserve one vector for flow director */ 3402148beb61SHenry Tieman if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) { 3403148beb61SHenry Tieman needed = ICE_FDIR_MSIX; 3404148beb61SHenry Tieman if (v_left < needed) 3405148beb61SHenry Tieman goto no_hw_vecs_left_err; 3406148beb61SHenry Tieman v_budget += needed; 3407148beb61SHenry Tieman v_left -= needed; 3408148beb61SHenry Tieman } 3409148beb61SHenry Tieman 34104015d11eSBrett Creeley pf->msix_entries = devm_kcalloc(dev, v_budget, 3411c6dfd690SBruce Allan sizeof(*pf->msix_entries), GFP_KERNEL); 3412940b61afSAnirudh Venkataramanan 3413940b61afSAnirudh Venkataramanan if (!pf->msix_entries) { 3414940b61afSAnirudh Venkataramanan err = -ENOMEM; 3415940b61afSAnirudh Venkataramanan goto exit_err; 3416940b61afSAnirudh Venkataramanan } 3417940b61afSAnirudh Venkataramanan 3418940b61afSAnirudh Venkataramanan for (i = 0; i < v_budget; i++) 3419940b61afSAnirudh Venkataramanan pf->msix_entries[i].entry = i; 3420940b61afSAnirudh Venkataramanan 3421940b61afSAnirudh Venkataramanan /* actually reserve the vectors */ 3422940b61afSAnirudh Venkataramanan v_actual = pci_enable_msix_range(pf->pdev, pf->msix_entries, 3423940b61afSAnirudh Venkataramanan ICE_MIN_MSIX, v_budget); 3424940b61afSAnirudh Venkataramanan 3425940b61afSAnirudh Venkataramanan if (v_actual < 0) { 34264015d11eSBrett Creeley dev_err(dev, "unable to reserve MSI-X vectors\n"); 3427940b61afSAnirudh Venkataramanan err = v_actual; 3428940b61afSAnirudh Venkataramanan goto msix_err; 3429940b61afSAnirudh Venkataramanan } 3430940b61afSAnirudh Venkataramanan 3431940b61afSAnirudh Venkataramanan if (v_actual < v_budget) { 343219cce2c6SAnirudh Venkataramanan dev_warn(dev, "not enough OS MSI-X vectors. requested = %d, obtained = %d\n", 3433940b61afSAnirudh Venkataramanan v_budget, v_actual); 3434148beb61SHenry Tieman /* 2 vectors each for LAN and RDMA (traffic + OICR), one for flow director */ 3435152b978aSAnirudh Venkataramanan #define ICE_MIN_LAN_VECS 2 3436148beb61SHenry Tieman #define ICE_MIN_RDMA_VECS 2 3437148beb61SHenry Tieman #define ICE_MIN_VECS (ICE_MIN_LAN_VECS + ICE_MIN_RDMA_VECS + 1) 3438152b978aSAnirudh Venkataramanan 3439152b978aSAnirudh Venkataramanan if (v_actual < ICE_MIN_LAN_VECS) { 3440152b978aSAnirudh Venkataramanan /* error if we can't get minimum vectors */ 3441940b61afSAnirudh Venkataramanan pci_disable_msix(pf->pdev); 3442940b61afSAnirudh Venkataramanan err = -ERANGE; 3443940b61afSAnirudh Venkataramanan goto msix_err; 3444152b978aSAnirudh Venkataramanan } else { 3445152b978aSAnirudh Venkataramanan pf->num_lan_msix = ICE_MIN_LAN_VECS; 3446940b61afSAnirudh Venkataramanan } 3447940b61afSAnirudh Venkataramanan } 3448940b61afSAnirudh Venkataramanan 3449940b61afSAnirudh Venkataramanan return v_actual; 3450940b61afSAnirudh Venkataramanan 3451940b61afSAnirudh Venkataramanan msix_err: 34524015d11eSBrett Creeley devm_kfree(dev, pf->msix_entries); 3453940b61afSAnirudh Venkataramanan goto exit_err; 3454940b61afSAnirudh Venkataramanan 3455152b978aSAnirudh Venkataramanan no_hw_vecs_left_err: 345619cce2c6SAnirudh Venkataramanan dev_err(dev, "not enough device MSI-X vectors. requested = %d, available = %d\n", 3457152b978aSAnirudh Venkataramanan needed, v_left); 3458152b978aSAnirudh Venkataramanan err = -ERANGE; 3459940b61afSAnirudh Venkataramanan exit_err: 3460940b61afSAnirudh Venkataramanan pf->num_lan_msix = 0; 3461940b61afSAnirudh Venkataramanan return err; 3462940b61afSAnirudh Venkataramanan } 3463940b61afSAnirudh Venkataramanan 3464940b61afSAnirudh Venkataramanan /** 3465940b61afSAnirudh Venkataramanan * ice_dis_msix - Disable MSI-X interrupt setup in OS 3466940b61afSAnirudh Venkataramanan * @pf: board private structure 3467940b61afSAnirudh Venkataramanan */ 3468940b61afSAnirudh Venkataramanan static void ice_dis_msix(struct ice_pf *pf) 3469940b61afSAnirudh Venkataramanan { 3470940b61afSAnirudh Venkataramanan pci_disable_msix(pf->pdev); 34714015d11eSBrett Creeley devm_kfree(ice_pf_to_dev(pf), pf->msix_entries); 3472940b61afSAnirudh Venkataramanan pf->msix_entries = NULL; 3473940b61afSAnirudh Venkataramanan } 3474940b61afSAnirudh Venkataramanan 3475940b61afSAnirudh Venkataramanan /** 3476eb0208ecSPreethi Banala * ice_clear_interrupt_scheme - Undo things done by ice_init_interrupt_scheme 3477eb0208ecSPreethi Banala * @pf: board private structure 3478eb0208ecSPreethi Banala */ 3479eb0208ecSPreethi Banala static void ice_clear_interrupt_scheme(struct ice_pf *pf) 3480eb0208ecSPreethi Banala { 3481eb0208ecSPreethi Banala ice_dis_msix(pf); 3482eb0208ecSPreethi Banala 3483cbe66bfeSBrett Creeley if (pf->irq_tracker) { 34844015d11eSBrett Creeley devm_kfree(ice_pf_to_dev(pf), pf->irq_tracker); 3485cbe66bfeSBrett Creeley pf->irq_tracker = NULL; 3486eb0208ecSPreethi Banala } 3487eb0208ecSPreethi Banala } 3488eb0208ecSPreethi Banala 3489eb0208ecSPreethi Banala /** 3490940b61afSAnirudh Venkataramanan * ice_init_interrupt_scheme - Determine proper interrupt scheme 3491940b61afSAnirudh Venkataramanan * @pf: board private structure to initialize 3492940b61afSAnirudh Venkataramanan */ 3493940b61afSAnirudh Venkataramanan static int ice_init_interrupt_scheme(struct ice_pf *pf) 3494940b61afSAnirudh Venkataramanan { 3495cbe66bfeSBrett Creeley int vectors; 3496940b61afSAnirudh Venkataramanan 3497940b61afSAnirudh Venkataramanan vectors = ice_ena_msix_range(pf); 3498940b61afSAnirudh Venkataramanan 3499940b61afSAnirudh Venkataramanan if (vectors < 0) 3500940b61afSAnirudh Venkataramanan return vectors; 3501940b61afSAnirudh Venkataramanan 3502940b61afSAnirudh Venkataramanan /* set up vector assignment tracking */ 3503cbe66bfeSBrett Creeley pf->irq_tracker = 35044015d11eSBrett Creeley devm_kzalloc(ice_pf_to_dev(pf), sizeof(*pf->irq_tracker) + 3505c6dfd690SBruce Allan (sizeof(u16) * vectors), GFP_KERNEL); 3506cbe66bfeSBrett Creeley if (!pf->irq_tracker) { 3507940b61afSAnirudh Venkataramanan ice_dis_msix(pf); 3508940b61afSAnirudh Venkataramanan return -ENOMEM; 3509940b61afSAnirudh Venkataramanan } 3510940b61afSAnirudh Venkataramanan 3511eb0208ecSPreethi Banala /* populate SW interrupts pool with number of OS granted IRQs. */ 351288865fc4SKarol Kolacinski pf->num_avail_sw_msix = (u16)vectors; 351388865fc4SKarol Kolacinski pf->irq_tracker->num_entries = (u16)vectors; 3514cbe66bfeSBrett Creeley pf->irq_tracker->end = pf->irq_tracker->num_entries; 3515940b61afSAnirudh Venkataramanan 3516940b61afSAnirudh Venkataramanan return 0; 3517940b61afSAnirudh Venkataramanan } 3518940b61afSAnirudh Venkataramanan 3519940b61afSAnirudh Venkataramanan /** 3520769c500dSAkeem G Abodunrin * ice_is_wol_supported - get NVM state of WoL 3521769c500dSAkeem G Abodunrin * @pf: board private structure 3522769c500dSAkeem G Abodunrin * 3523769c500dSAkeem G Abodunrin * Check if WoL is supported based on the HW configuration. 3524769c500dSAkeem G Abodunrin * Returns true if NVM supports and enables WoL for this port, false otherwise 3525769c500dSAkeem G Abodunrin */ 3526769c500dSAkeem G Abodunrin bool ice_is_wol_supported(struct ice_pf *pf) 3527769c500dSAkeem G Abodunrin { 3528769c500dSAkeem G Abodunrin struct ice_hw *hw = &pf->hw; 3529769c500dSAkeem G Abodunrin u16 wol_ctrl; 3530769c500dSAkeem G Abodunrin 3531769c500dSAkeem G Abodunrin /* A bit set to 1 in the NVM Software Reserved Word 2 (WoL control 3532769c500dSAkeem G Abodunrin * word) indicates WoL is not supported on the corresponding PF ID. 3533769c500dSAkeem G Abodunrin */ 3534769c500dSAkeem G Abodunrin if (ice_read_sr_word(hw, ICE_SR_NVM_WOL_CFG, &wol_ctrl)) 3535769c500dSAkeem G Abodunrin return false; 3536769c500dSAkeem G Abodunrin 3537769c500dSAkeem G Abodunrin return !(BIT(hw->pf_id) & wol_ctrl); 3538769c500dSAkeem G Abodunrin } 3539769c500dSAkeem G Abodunrin 3540769c500dSAkeem G Abodunrin /** 354187324e74SHenry Tieman * ice_vsi_recfg_qs - Change the number of queues on a VSI 354287324e74SHenry Tieman * @vsi: VSI being changed 354387324e74SHenry Tieman * @new_rx: new number of Rx queues 354487324e74SHenry Tieman * @new_tx: new number of Tx queues 354587324e74SHenry Tieman * 354687324e74SHenry Tieman * Only change the number of queues if new_tx, or new_rx is non-0. 354787324e74SHenry Tieman * 354887324e74SHenry Tieman * Returns 0 on success. 354987324e74SHenry Tieman */ 355087324e74SHenry Tieman int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx) 355187324e74SHenry Tieman { 355287324e74SHenry Tieman struct ice_pf *pf = vsi->back; 355387324e74SHenry Tieman int err = 0, timeout = 50; 355487324e74SHenry Tieman 355587324e74SHenry Tieman if (!new_rx && !new_tx) 355687324e74SHenry Tieman return -EINVAL; 355787324e74SHenry Tieman 355887324e74SHenry Tieman while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 355987324e74SHenry Tieman timeout--; 356087324e74SHenry Tieman if (!timeout) 356187324e74SHenry Tieman return -EBUSY; 356287324e74SHenry Tieman usleep_range(1000, 2000); 356387324e74SHenry Tieman } 356487324e74SHenry Tieman 356587324e74SHenry Tieman if (new_tx) 356688865fc4SKarol Kolacinski vsi->req_txq = (u16)new_tx; 356787324e74SHenry Tieman if (new_rx) 356888865fc4SKarol Kolacinski vsi->req_rxq = (u16)new_rx; 356987324e74SHenry Tieman 357087324e74SHenry Tieman /* set for the next time the netdev is started */ 357187324e74SHenry Tieman if (!netif_running(vsi->netdev)) { 357287324e74SHenry Tieman ice_vsi_rebuild(vsi, false); 357387324e74SHenry Tieman dev_dbg(ice_pf_to_dev(pf), "Link is down, queue count change happens when link is brought up\n"); 357487324e74SHenry Tieman goto done; 357587324e74SHenry Tieman } 357687324e74SHenry Tieman 357787324e74SHenry Tieman ice_vsi_close(vsi); 357887324e74SHenry Tieman ice_vsi_rebuild(vsi, false); 357987324e74SHenry Tieman ice_pf_dcb_recfg(pf); 358087324e74SHenry Tieman ice_vsi_open(vsi); 358187324e74SHenry Tieman done: 358287324e74SHenry Tieman clear_bit(__ICE_CFG_BUSY, pf->state); 358387324e74SHenry Tieman return err; 358487324e74SHenry Tieman } 358587324e74SHenry Tieman 358687324e74SHenry Tieman /** 3587cd1f56f4SBrett Creeley * ice_set_safe_mode_vlan_cfg - configure PF VSI to allow all VLANs in safe mode 3588cd1f56f4SBrett Creeley * @pf: PF to configure 3589cd1f56f4SBrett Creeley * 3590cd1f56f4SBrett Creeley * No VLAN offloads/filtering are advertised in safe mode so make sure the PF 3591cd1f56f4SBrett Creeley * VSI can still Tx/Rx VLAN tagged packets. 3592cd1f56f4SBrett Creeley */ 3593cd1f56f4SBrett Creeley static void ice_set_safe_mode_vlan_cfg(struct ice_pf *pf) 3594cd1f56f4SBrett Creeley { 3595cd1f56f4SBrett Creeley struct ice_vsi *vsi = ice_get_main_vsi(pf); 3596cd1f56f4SBrett Creeley struct ice_vsi_ctx *ctxt; 3597cd1f56f4SBrett Creeley enum ice_status status; 3598cd1f56f4SBrett Creeley struct ice_hw *hw; 3599cd1f56f4SBrett Creeley 3600cd1f56f4SBrett Creeley if (!vsi) 3601cd1f56f4SBrett Creeley return; 3602cd1f56f4SBrett Creeley 3603cd1f56f4SBrett Creeley ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 3604cd1f56f4SBrett Creeley if (!ctxt) 3605cd1f56f4SBrett Creeley return; 3606cd1f56f4SBrett Creeley 3607cd1f56f4SBrett Creeley hw = &pf->hw; 3608cd1f56f4SBrett Creeley ctxt->info = vsi->info; 3609cd1f56f4SBrett Creeley 3610cd1f56f4SBrett Creeley ctxt->info.valid_sections = 3611cd1f56f4SBrett Creeley cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID | 3612cd1f56f4SBrett Creeley ICE_AQ_VSI_PROP_SECURITY_VALID | 3613cd1f56f4SBrett Creeley ICE_AQ_VSI_PROP_SW_VALID); 3614cd1f56f4SBrett Creeley 3615cd1f56f4SBrett Creeley /* disable VLAN anti-spoof */ 3616cd1f56f4SBrett Creeley ctxt->info.sec_flags &= ~(ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 3617cd1f56f4SBrett Creeley ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S); 3618cd1f56f4SBrett Creeley 3619cd1f56f4SBrett Creeley /* disable VLAN pruning and keep all other settings */ 3620cd1f56f4SBrett Creeley ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 3621cd1f56f4SBrett Creeley 3622cd1f56f4SBrett Creeley /* allow all VLANs on Tx and don't strip on Rx */ 3623cd1f56f4SBrett Creeley ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL | 3624cd1f56f4SBrett Creeley ICE_AQ_VSI_VLAN_EMOD_NOTHING; 3625cd1f56f4SBrett Creeley 3626cd1f56f4SBrett Creeley status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 3627cd1f56f4SBrett Creeley if (status) { 3628cd1f56f4SBrett Creeley dev_err(ice_pf_to_dev(vsi->back), "Failed to update VSI for safe mode VLANs, err %s aq_err %s\n", 3629cd1f56f4SBrett Creeley ice_stat_str(status), 3630cd1f56f4SBrett Creeley ice_aq_str(hw->adminq.sq_last_status)); 3631cd1f56f4SBrett Creeley } else { 3632cd1f56f4SBrett Creeley vsi->info.sec_flags = ctxt->info.sec_flags; 3633cd1f56f4SBrett Creeley vsi->info.sw_flags2 = ctxt->info.sw_flags2; 3634cd1f56f4SBrett Creeley vsi->info.vlan_flags = ctxt->info.vlan_flags; 3635cd1f56f4SBrett Creeley } 3636cd1f56f4SBrett Creeley 3637cd1f56f4SBrett Creeley kfree(ctxt); 3638cd1f56f4SBrett Creeley } 3639cd1f56f4SBrett Creeley 3640cd1f56f4SBrett Creeley /** 3641462acf6aSTony Nguyen * ice_log_pkg_init - log result of DDP package load 3642462acf6aSTony Nguyen * @hw: pointer to hardware info 3643462acf6aSTony Nguyen * @status: status of package load 3644462acf6aSTony Nguyen */ 3645462acf6aSTony Nguyen static void 3646462acf6aSTony Nguyen ice_log_pkg_init(struct ice_hw *hw, enum ice_status *status) 3647462acf6aSTony Nguyen { 3648462acf6aSTony Nguyen struct ice_pf *pf = (struct ice_pf *)hw->back; 36494015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 3650462acf6aSTony Nguyen 3651462acf6aSTony Nguyen switch (*status) { 3652462acf6aSTony Nguyen case ICE_SUCCESS: 3653462acf6aSTony Nguyen /* The package download AdminQ command returned success because 3654462acf6aSTony Nguyen * this download succeeded or ICE_ERR_AQ_NO_WORK since there is 3655462acf6aSTony Nguyen * already a package loaded on the device. 3656462acf6aSTony Nguyen */ 3657462acf6aSTony Nguyen if (hw->pkg_ver.major == hw->active_pkg_ver.major && 3658462acf6aSTony Nguyen hw->pkg_ver.minor == hw->active_pkg_ver.minor && 3659462acf6aSTony Nguyen hw->pkg_ver.update == hw->active_pkg_ver.update && 3660462acf6aSTony Nguyen hw->pkg_ver.draft == hw->active_pkg_ver.draft && 3661462acf6aSTony Nguyen !memcmp(hw->pkg_name, hw->active_pkg_name, 3662462acf6aSTony Nguyen sizeof(hw->pkg_name))) { 3663462acf6aSTony Nguyen if (hw->pkg_dwnld_status == ICE_AQ_RC_EEXIST) 366419cce2c6SAnirudh Venkataramanan dev_info(dev, "DDP package already present on device: %s version %d.%d.%d.%d\n", 3665462acf6aSTony Nguyen hw->active_pkg_name, 3666462acf6aSTony Nguyen hw->active_pkg_ver.major, 3667462acf6aSTony Nguyen hw->active_pkg_ver.minor, 3668462acf6aSTony Nguyen hw->active_pkg_ver.update, 3669462acf6aSTony Nguyen hw->active_pkg_ver.draft); 3670462acf6aSTony Nguyen else 367119cce2c6SAnirudh Venkataramanan dev_info(dev, "The DDP package was successfully loaded: %s version %d.%d.%d.%d\n", 3672462acf6aSTony Nguyen hw->active_pkg_name, 3673462acf6aSTony Nguyen hw->active_pkg_ver.major, 3674462acf6aSTony Nguyen hw->active_pkg_ver.minor, 3675462acf6aSTony Nguyen hw->active_pkg_ver.update, 3676462acf6aSTony Nguyen hw->active_pkg_ver.draft); 3677462acf6aSTony Nguyen } else if (hw->active_pkg_ver.major != ICE_PKG_SUPP_VER_MAJ || 3678462acf6aSTony Nguyen hw->active_pkg_ver.minor != ICE_PKG_SUPP_VER_MNR) { 367919cce2c6SAnirudh 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", 3680462acf6aSTony Nguyen hw->active_pkg_name, 3681462acf6aSTony Nguyen hw->active_pkg_ver.major, 3682462acf6aSTony Nguyen hw->active_pkg_ver.minor, 3683462acf6aSTony Nguyen ICE_PKG_SUPP_VER_MAJ, ICE_PKG_SUPP_VER_MNR); 3684462acf6aSTony Nguyen *status = ICE_ERR_NOT_SUPPORTED; 3685462acf6aSTony Nguyen } else if (hw->active_pkg_ver.major == ICE_PKG_SUPP_VER_MAJ && 3686462acf6aSTony Nguyen hw->active_pkg_ver.minor == ICE_PKG_SUPP_VER_MNR) { 368719cce2c6SAnirudh 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", 3688462acf6aSTony Nguyen hw->active_pkg_name, 3689462acf6aSTony Nguyen hw->active_pkg_ver.major, 3690462acf6aSTony Nguyen hw->active_pkg_ver.minor, 3691462acf6aSTony Nguyen hw->active_pkg_ver.update, 3692462acf6aSTony Nguyen hw->active_pkg_ver.draft, 3693462acf6aSTony Nguyen hw->pkg_name, 3694462acf6aSTony Nguyen hw->pkg_ver.major, 3695462acf6aSTony Nguyen hw->pkg_ver.minor, 3696462acf6aSTony Nguyen hw->pkg_ver.update, 3697462acf6aSTony Nguyen hw->pkg_ver.draft); 3698462acf6aSTony Nguyen } else { 369919cce2c6SAnirudh 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"); 3700462acf6aSTony Nguyen *status = ICE_ERR_NOT_SUPPORTED; 3701462acf6aSTony Nguyen } 3702462acf6aSTony Nguyen break; 3703b8272919SVictor Raj case ICE_ERR_FW_DDP_MISMATCH: 3704b8272919SVictor 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"); 3705b8272919SVictor Raj break; 3706462acf6aSTony Nguyen case ICE_ERR_BUF_TOO_SHORT: 3707462acf6aSTony Nguyen case ICE_ERR_CFG: 370819cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file is invalid. Entering Safe Mode.\n"); 3709462acf6aSTony Nguyen break; 3710462acf6aSTony Nguyen case ICE_ERR_NOT_SUPPORTED: 3711462acf6aSTony Nguyen /* Package File version not supported */ 3712462acf6aSTony Nguyen if (hw->pkg_ver.major > ICE_PKG_SUPP_VER_MAJ || 3713462acf6aSTony Nguyen (hw->pkg_ver.major == ICE_PKG_SUPP_VER_MAJ && 3714462acf6aSTony Nguyen hw->pkg_ver.minor > ICE_PKG_SUPP_VER_MNR)) 371519cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file version is higher than the driver supports. Please use an updated driver. Entering Safe Mode.\n"); 3716462acf6aSTony Nguyen else if (hw->pkg_ver.major < ICE_PKG_SUPP_VER_MAJ || 3717462acf6aSTony Nguyen (hw->pkg_ver.major == ICE_PKG_SUPP_VER_MAJ && 3718462acf6aSTony Nguyen hw->pkg_ver.minor < ICE_PKG_SUPP_VER_MNR)) 371919cce2c6SAnirudh 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", 3720462acf6aSTony Nguyen ICE_PKG_SUPP_VER_MAJ, ICE_PKG_SUPP_VER_MNR); 3721462acf6aSTony Nguyen break; 3722462acf6aSTony Nguyen case ICE_ERR_AQ_ERROR: 3723e000248eSBruce Allan switch (hw->pkg_dwnld_status) { 3724462acf6aSTony Nguyen case ICE_AQ_RC_ENOSEC: 3725462acf6aSTony Nguyen case ICE_AQ_RC_EBADSIG: 372619cce2c6SAnirudh 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"); 3727462acf6aSTony Nguyen return; 3728462acf6aSTony Nguyen case ICE_AQ_RC_ESVN: 372919cce2c6SAnirudh 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"); 3730462acf6aSTony Nguyen return; 3731462acf6aSTony Nguyen case ICE_AQ_RC_EBADMAN: 3732462acf6aSTony Nguyen case ICE_AQ_RC_EBADBUF: 373319cce2c6SAnirudh Venkataramanan dev_err(dev, "An error occurred on the device while loading the DDP package. The device will be reset.\n"); 37349918f2d2SAnirudh Venkataramanan /* poll for reset to complete */ 37359918f2d2SAnirudh Venkataramanan if (ice_check_reset(hw)) 37369918f2d2SAnirudh Venkataramanan dev_err(dev, "Error resetting device. Please reload the driver\n"); 3737462acf6aSTony Nguyen return; 3738462acf6aSTony Nguyen default: 3739462acf6aSTony Nguyen break; 3740462acf6aSTony Nguyen } 37414e83fc93SBruce Allan fallthrough; 3742462acf6aSTony Nguyen default: 374319cce2c6SAnirudh Venkataramanan dev_err(dev, "An unknown error (%d) occurred when loading the DDP package. Entering Safe Mode.\n", 3744462acf6aSTony Nguyen *status); 3745462acf6aSTony Nguyen break; 3746462acf6aSTony Nguyen } 3747462acf6aSTony Nguyen } 3748462acf6aSTony Nguyen 3749462acf6aSTony Nguyen /** 3750462acf6aSTony Nguyen * ice_load_pkg - load/reload the DDP Package file 3751462acf6aSTony Nguyen * @firmware: firmware structure when firmware requested or NULL for reload 3752462acf6aSTony Nguyen * @pf: pointer to the PF instance 3753462acf6aSTony Nguyen * 3754462acf6aSTony Nguyen * Called on probe and post CORER/GLOBR rebuild to load DDP Package and 3755462acf6aSTony Nguyen * initialize HW tables. 3756462acf6aSTony Nguyen */ 3757462acf6aSTony Nguyen static void 3758462acf6aSTony Nguyen ice_load_pkg(const struct firmware *firmware, struct ice_pf *pf) 3759462acf6aSTony Nguyen { 3760462acf6aSTony Nguyen enum ice_status status = ICE_ERR_PARAM; 37614015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 3762462acf6aSTony Nguyen struct ice_hw *hw = &pf->hw; 3763462acf6aSTony Nguyen 3764462acf6aSTony Nguyen /* Load DDP Package */ 3765462acf6aSTony Nguyen if (firmware && !hw->pkg_copy) { 3766462acf6aSTony Nguyen status = ice_copy_and_init_pkg(hw, firmware->data, 3767462acf6aSTony Nguyen firmware->size); 3768462acf6aSTony Nguyen ice_log_pkg_init(hw, &status); 3769462acf6aSTony Nguyen } else if (!firmware && hw->pkg_copy) { 3770462acf6aSTony Nguyen /* Reload package during rebuild after CORER/GLOBR reset */ 3771462acf6aSTony Nguyen status = ice_init_pkg(hw, hw->pkg_copy, hw->pkg_size); 3772462acf6aSTony Nguyen ice_log_pkg_init(hw, &status); 3773462acf6aSTony Nguyen } else { 377419cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file failed to load. Entering Safe Mode.\n"); 3775462acf6aSTony Nguyen } 3776462acf6aSTony Nguyen 3777462acf6aSTony Nguyen if (status) { 3778462acf6aSTony Nguyen /* Safe Mode */ 3779462acf6aSTony Nguyen clear_bit(ICE_FLAG_ADV_FEATURES, pf->flags); 3780462acf6aSTony Nguyen return; 3781462acf6aSTony Nguyen } 3782462acf6aSTony Nguyen 3783462acf6aSTony Nguyen /* Successful download package is the precondition for advanced 3784462acf6aSTony Nguyen * features, hence setting the ICE_FLAG_ADV_FEATURES flag 3785462acf6aSTony Nguyen */ 3786462acf6aSTony Nguyen set_bit(ICE_FLAG_ADV_FEATURES, pf->flags); 3787462acf6aSTony Nguyen } 3788462acf6aSTony Nguyen 3789462acf6aSTony Nguyen /** 3790c585ea42SBrett Creeley * ice_verify_cacheline_size - verify driver's assumption of 64 Byte cache lines 3791c585ea42SBrett Creeley * @pf: pointer to the PF structure 3792c585ea42SBrett Creeley * 3793c585ea42SBrett Creeley * There is no error returned here because the driver should be able to handle 3794c585ea42SBrett Creeley * 128 Byte cache lines, so we only print a warning in case issues are seen, 3795c585ea42SBrett Creeley * specifically with Tx. 3796c585ea42SBrett Creeley */ 3797c585ea42SBrett Creeley static void ice_verify_cacheline_size(struct ice_pf *pf) 3798c585ea42SBrett Creeley { 3799c585ea42SBrett Creeley if (rd32(&pf->hw, GLPCI_CNF2) & GLPCI_CNF2_CACHELINE_SIZE_M) 380019cce2c6SAnirudh Venkataramanan dev_warn(ice_pf_to_dev(pf), "%d Byte cache line assumption is invalid, driver may have Tx timeouts!\n", 3801c585ea42SBrett Creeley ICE_CACHE_LINE_BYTES); 3802c585ea42SBrett Creeley } 3803c585ea42SBrett Creeley 3804c585ea42SBrett Creeley /** 3805e3710a01SPaul M Stillwell Jr * ice_send_version - update firmware with driver version 3806e3710a01SPaul M Stillwell Jr * @pf: PF struct 3807e3710a01SPaul M Stillwell Jr * 3808e3710a01SPaul M Stillwell Jr * Returns ICE_SUCCESS on success, else error code 3809e3710a01SPaul M Stillwell Jr */ 3810e3710a01SPaul M Stillwell Jr static enum ice_status ice_send_version(struct ice_pf *pf) 3811e3710a01SPaul M Stillwell Jr { 3812e3710a01SPaul M Stillwell Jr struct ice_driver_ver dv; 3813e3710a01SPaul M Stillwell Jr 381434a2a3b8SJeff Kirsher dv.major_ver = 0xff; 381534a2a3b8SJeff Kirsher dv.minor_ver = 0xff; 381634a2a3b8SJeff Kirsher dv.build_ver = 0xff; 3817e3710a01SPaul M Stillwell Jr dv.subbuild_ver = 0; 381834a2a3b8SJeff Kirsher strscpy((char *)dv.driver_string, UTS_RELEASE, 3819e3710a01SPaul M Stillwell Jr sizeof(dv.driver_string)); 3820e3710a01SPaul M Stillwell Jr return ice_aq_send_driver_ver(&pf->hw, &dv, NULL); 3821e3710a01SPaul M Stillwell Jr } 3822e3710a01SPaul M Stillwell Jr 3823e3710a01SPaul M Stillwell Jr /** 3824148beb61SHenry Tieman * ice_init_fdir - Initialize flow director VSI and configuration 3825148beb61SHenry Tieman * @pf: pointer to the PF instance 3826148beb61SHenry Tieman * 3827148beb61SHenry Tieman * returns 0 on success, negative on error 3828148beb61SHenry Tieman */ 3829148beb61SHenry Tieman static int ice_init_fdir(struct ice_pf *pf) 3830148beb61SHenry Tieman { 3831148beb61SHenry Tieman struct device *dev = ice_pf_to_dev(pf); 3832148beb61SHenry Tieman struct ice_vsi *ctrl_vsi; 3833148beb61SHenry Tieman int err; 3834148beb61SHenry Tieman 3835148beb61SHenry Tieman /* Side Band Flow Director needs to have a control VSI. 3836148beb61SHenry Tieman * Allocate it and store it in the PF. 3837148beb61SHenry Tieman */ 3838148beb61SHenry Tieman ctrl_vsi = ice_ctrl_vsi_setup(pf, pf->hw.port_info); 3839148beb61SHenry Tieman if (!ctrl_vsi) { 3840148beb61SHenry Tieman dev_dbg(dev, "could not create control VSI\n"); 3841148beb61SHenry Tieman return -ENOMEM; 3842148beb61SHenry Tieman } 3843148beb61SHenry Tieman 3844148beb61SHenry Tieman err = ice_vsi_open_ctrl(ctrl_vsi); 3845148beb61SHenry Tieman if (err) { 3846148beb61SHenry Tieman dev_dbg(dev, "could not open control VSI\n"); 3847148beb61SHenry Tieman goto err_vsi_open; 3848148beb61SHenry Tieman } 3849148beb61SHenry Tieman 3850148beb61SHenry Tieman mutex_init(&pf->hw.fdir_fltr_lock); 3851148beb61SHenry Tieman 3852148beb61SHenry Tieman err = ice_fdir_create_dflt_rules(pf); 3853148beb61SHenry Tieman if (err) 3854148beb61SHenry Tieman goto err_fdir_rule; 3855148beb61SHenry Tieman 3856148beb61SHenry Tieman return 0; 3857148beb61SHenry Tieman 3858148beb61SHenry Tieman err_fdir_rule: 3859148beb61SHenry Tieman ice_fdir_release_flows(&pf->hw); 3860148beb61SHenry Tieman ice_vsi_close(ctrl_vsi); 3861148beb61SHenry Tieman err_vsi_open: 3862148beb61SHenry Tieman ice_vsi_release(ctrl_vsi); 3863148beb61SHenry Tieman if (pf->ctrl_vsi_idx != ICE_NO_VSI) { 3864148beb61SHenry Tieman pf->vsi[pf->ctrl_vsi_idx] = NULL; 3865148beb61SHenry Tieman pf->ctrl_vsi_idx = ICE_NO_VSI; 3866148beb61SHenry Tieman } 3867148beb61SHenry Tieman return err; 3868148beb61SHenry Tieman } 3869148beb61SHenry Tieman 3870148beb61SHenry Tieman /** 3871462acf6aSTony Nguyen * ice_get_opt_fw_name - return optional firmware file name or NULL 3872462acf6aSTony Nguyen * @pf: pointer to the PF instance 3873462acf6aSTony Nguyen */ 3874462acf6aSTony Nguyen static char *ice_get_opt_fw_name(struct ice_pf *pf) 3875462acf6aSTony Nguyen { 3876462acf6aSTony Nguyen /* Optional firmware name same as default with additional dash 3877462acf6aSTony Nguyen * followed by a EUI-64 identifier (PCIe Device Serial Number) 3878462acf6aSTony Nguyen */ 3879462acf6aSTony Nguyen struct pci_dev *pdev = pf->pdev; 3880ceb2f007SJacob Keller char *opt_fw_filename; 3881ceb2f007SJacob Keller u64 dsn; 3882462acf6aSTony Nguyen 3883462acf6aSTony Nguyen /* Determine the name of the optional file using the DSN (two 3884462acf6aSTony Nguyen * dwords following the start of the DSN Capability). 3885462acf6aSTony Nguyen */ 3886ceb2f007SJacob Keller dsn = pci_get_dsn(pdev); 3887ceb2f007SJacob Keller if (!dsn) 3888ceb2f007SJacob Keller return NULL; 3889ceb2f007SJacob Keller 3890462acf6aSTony Nguyen opt_fw_filename = kzalloc(NAME_MAX, GFP_KERNEL); 3891462acf6aSTony Nguyen if (!opt_fw_filename) 3892462acf6aSTony Nguyen return NULL; 3893462acf6aSTony Nguyen 38941a9c561aSPaul M Stillwell Jr snprintf(opt_fw_filename, NAME_MAX, "%sice-%016llx.pkg", 3895ceb2f007SJacob Keller ICE_DDP_PKG_PATH, dsn); 3896462acf6aSTony Nguyen 3897462acf6aSTony Nguyen return opt_fw_filename; 3898462acf6aSTony Nguyen } 3899462acf6aSTony Nguyen 3900462acf6aSTony Nguyen /** 3901462acf6aSTony Nguyen * ice_request_fw - Device initialization routine 3902462acf6aSTony Nguyen * @pf: pointer to the PF instance 3903462acf6aSTony Nguyen */ 3904462acf6aSTony Nguyen static void ice_request_fw(struct ice_pf *pf) 3905462acf6aSTony Nguyen { 3906462acf6aSTony Nguyen char *opt_fw_filename = ice_get_opt_fw_name(pf); 3907462acf6aSTony Nguyen const struct firmware *firmware = NULL; 39084015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 3909462acf6aSTony Nguyen int err = 0; 3910462acf6aSTony Nguyen 3911462acf6aSTony Nguyen /* optional device-specific DDP (if present) overrides the default DDP 3912462acf6aSTony Nguyen * package file. kernel logs a debug message if the file doesn't exist, 3913462acf6aSTony Nguyen * and warning messages for other errors. 3914462acf6aSTony Nguyen */ 3915462acf6aSTony Nguyen if (opt_fw_filename) { 3916462acf6aSTony Nguyen err = firmware_request_nowarn(&firmware, opt_fw_filename, dev); 3917462acf6aSTony Nguyen if (err) { 3918462acf6aSTony Nguyen kfree(opt_fw_filename); 3919462acf6aSTony Nguyen goto dflt_pkg_load; 3920462acf6aSTony Nguyen } 3921462acf6aSTony Nguyen 3922462acf6aSTony Nguyen /* request for firmware was successful. Download to device */ 3923462acf6aSTony Nguyen ice_load_pkg(firmware, pf); 3924462acf6aSTony Nguyen kfree(opt_fw_filename); 3925462acf6aSTony Nguyen release_firmware(firmware); 3926462acf6aSTony Nguyen return; 3927462acf6aSTony Nguyen } 3928462acf6aSTony Nguyen 3929462acf6aSTony Nguyen dflt_pkg_load: 3930462acf6aSTony Nguyen err = request_firmware(&firmware, ICE_DDP_PKG_FILE, dev); 3931462acf6aSTony Nguyen if (err) { 393219cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file was not found or could not be read. Entering Safe Mode\n"); 3933462acf6aSTony Nguyen return; 3934462acf6aSTony Nguyen } 3935462acf6aSTony Nguyen 3936462acf6aSTony Nguyen /* request for firmware was successful. Download to device */ 3937462acf6aSTony Nguyen ice_load_pkg(firmware, pf); 3938462acf6aSTony Nguyen release_firmware(firmware); 3939462acf6aSTony Nguyen } 3940462acf6aSTony Nguyen 3941462acf6aSTony Nguyen /** 3942769c500dSAkeem G Abodunrin * ice_print_wake_reason - show the wake up cause in the log 3943769c500dSAkeem G Abodunrin * @pf: pointer to the PF struct 3944769c500dSAkeem G Abodunrin */ 3945769c500dSAkeem G Abodunrin static void ice_print_wake_reason(struct ice_pf *pf) 3946769c500dSAkeem G Abodunrin { 3947769c500dSAkeem G Abodunrin u32 wus = pf->wakeup_reason; 3948769c500dSAkeem G Abodunrin const char *wake_str; 3949769c500dSAkeem G Abodunrin 3950769c500dSAkeem G Abodunrin /* if no wake event, nothing to print */ 3951769c500dSAkeem G Abodunrin if (!wus) 3952769c500dSAkeem G Abodunrin return; 3953769c500dSAkeem G Abodunrin 3954769c500dSAkeem G Abodunrin if (wus & PFPM_WUS_LNKC_M) 3955769c500dSAkeem G Abodunrin wake_str = "Link\n"; 3956769c500dSAkeem G Abodunrin else if (wus & PFPM_WUS_MAG_M) 3957769c500dSAkeem G Abodunrin wake_str = "Magic Packet\n"; 3958769c500dSAkeem G Abodunrin else if (wus & PFPM_WUS_MNG_M) 3959769c500dSAkeem G Abodunrin wake_str = "Management\n"; 3960769c500dSAkeem G Abodunrin else if (wus & PFPM_WUS_FW_RST_WK_M) 3961769c500dSAkeem G Abodunrin wake_str = "Firmware Reset\n"; 3962769c500dSAkeem G Abodunrin else 3963769c500dSAkeem G Abodunrin wake_str = "Unknown\n"; 3964769c500dSAkeem G Abodunrin 3965769c500dSAkeem G Abodunrin dev_info(ice_pf_to_dev(pf), "Wake reason: %s", wake_str); 3966769c500dSAkeem G Abodunrin } 3967769c500dSAkeem G Abodunrin 3968769c500dSAkeem G Abodunrin /** 3969837f08fdSAnirudh Venkataramanan * ice_probe - Device initialization routine 3970837f08fdSAnirudh Venkataramanan * @pdev: PCI device information struct 3971837f08fdSAnirudh Venkataramanan * @ent: entry in ice_pci_tbl 3972837f08fdSAnirudh Venkataramanan * 3973837f08fdSAnirudh Venkataramanan * Returns 0 on success, negative on failure 3974837f08fdSAnirudh Venkataramanan */ 3975c8b7abddSBruce Allan static int 3976c8b7abddSBruce Allan ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent) 3977837f08fdSAnirudh Venkataramanan { 397877ed84f4SBruce Allan struct device *dev = &pdev->dev; 3979837f08fdSAnirudh Venkataramanan struct ice_pf *pf; 3980837f08fdSAnirudh Venkataramanan struct ice_hw *hw; 3981837f08fdSAnirudh Venkataramanan int err; 3982837f08fdSAnirudh Venkataramanan 39834ee656bbSTony Nguyen /* this driver uses devres, see 39844ee656bbSTony Nguyen * Documentation/driver-api/driver-model/devres.rst 39854ee656bbSTony Nguyen */ 3986837f08fdSAnirudh Venkataramanan err = pcim_enable_device(pdev); 3987837f08fdSAnirudh Venkataramanan if (err) 3988837f08fdSAnirudh Venkataramanan return err; 3989837f08fdSAnirudh Venkataramanan 3990837f08fdSAnirudh Venkataramanan err = pcim_iomap_regions(pdev, BIT(ICE_BAR0), pci_name(pdev)); 3991837f08fdSAnirudh Venkataramanan if (err) { 399277ed84f4SBruce Allan dev_err(dev, "BAR0 I/O map error %d\n", err); 3993837f08fdSAnirudh Venkataramanan return err; 3994837f08fdSAnirudh Venkataramanan } 3995837f08fdSAnirudh Venkataramanan 39961adf7eadSJacob Keller pf = ice_allocate_pf(dev); 3997837f08fdSAnirudh Venkataramanan if (!pf) 3998837f08fdSAnirudh Venkataramanan return -ENOMEM; 3999837f08fdSAnirudh Venkataramanan 40002f2da36eSAnirudh Venkataramanan /* set up for high or low DMA */ 400177ed84f4SBruce Allan err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); 4002837f08fdSAnirudh Venkataramanan if (err) 400377ed84f4SBruce Allan err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); 4004837f08fdSAnirudh Venkataramanan if (err) { 400577ed84f4SBruce Allan dev_err(dev, "DMA configuration failed: 0x%x\n", err); 4006837f08fdSAnirudh Venkataramanan return err; 4007837f08fdSAnirudh Venkataramanan } 4008837f08fdSAnirudh Venkataramanan 4009837f08fdSAnirudh Venkataramanan pci_enable_pcie_error_reporting(pdev); 4010837f08fdSAnirudh Venkataramanan pci_set_master(pdev); 4011837f08fdSAnirudh Venkataramanan 4012837f08fdSAnirudh Venkataramanan pf->pdev = pdev; 4013837f08fdSAnirudh Venkataramanan pci_set_drvdata(pdev, pf); 4014837f08fdSAnirudh Venkataramanan set_bit(__ICE_DOWN, pf->state); 40158d81fa55SAkeem G Abodunrin /* Disable service task until DOWN bit is cleared */ 40168d81fa55SAkeem G Abodunrin set_bit(__ICE_SERVICE_DIS, pf->state); 4017837f08fdSAnirudh Venkataramanan 4018837f08fdSAnirudh Venkataramanan hw = &pf->hw; 4019837f08fdSAnirudh Venkataramanan hw->hw_addr = pcim_iomap_table(pdev)[ICE_BAR0]; 40204e56802eSMichal Swiatkowski pci_save_state(pdev); 40214e56802eSMichal Swiatkowski 4022837f08fdSAnirudh Venkataramanan hw->back = pf; 4023837f08fdSAnirudh Venkataramanan hw->vendor_id = pdev->vendor; 4024837f08fdSAnirudh Venkataramanan hw->device_id = pdev->device; 4025837f08fdSAnirudh Venkataramanan pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id); 4026837f08fdSAnirudh Venkataramanan hw->subsystem_vendor_id = pdev->subsystem_vendor; 4027837f08fdSAnirudh Venkataramanan hw->subsystem_device_id = pdev->subsystem_device; 4028837f08fdSAnirudh Venkataramanan hw->bus.device = PCI_SLOT(pdev->devfn); 4029837f08fdSAnirudh Venkataramanan hw->bus.func = PCI_FUNC(pdev->devfn); 4030f31e4b6fSAnirudh Venkataramanan ice_set_ctrlq_len(hw); 4031f31e4b6fSAnirudh Venkataramanan 4032837f08fdSAnirudh Venkataramanan pf->msg_enable = netif_msg_init(debug, ICE_DFLT_NETIF_M); 4033837f08fdSAnirudh Venkataramanan 40341adf7eadSJacob Keller err = ice_devlink_register(pf); 40351adf7eadSJacob Keller if (err) { 40361adf7eadSJacob Keller dev_err(dev, "ice_devlink_register failed: %d\n", err); 40371adf7eadSJacob Keller goto err_exit_unroll; 40381adf7eadSJacob Keller } 40391adf7eadSJacob Keller 40407ec59eeaSAnirudh Venkataramanan #ifndef CONFIG_DYNAMIC_DEBUG 40417ec59eeaSAnirudh Venkataramanan if (debug < -1) 40427ec59eeaSAnirudh Venkataramanan hw->debug_mask = debug; 40437ec59eeaSAnirudh Venkataramanan #endif 40447ec59eeaSAnirudh Venkataramanan 4045f31e4b6fSAnirudh Venkataramanan err = ice_init_hw(hw); 4046f31e4b6fSAnirudh Venkataramanan if (err) { 404777ed84f4SBruce Allan dev_err(dev, "ice_init_hw failed: %d\n", err); 4048f31e4b6fSAnirudh Venkataramanan err = -EIO; 4049f31e4b6fSAnirudh Venkataramanan goto err_exit_unroll; 4050f31e4b6fSAnirudh Venkataramanan } 4051f31e4b6fSAnirudh Venkataramanan 4052462acf6aSTony Nguyen ice_request_fw(pf); 4053462acf6aSTony Nguyen 4054462acf6aSTony Nguyen /* if ice_request_fw fails, ICE_FLAG_ADV_FEATURES bit won't be 4055462acf6aSTony Nguyen * set in pf->state, which will cause ice_is_safe_mode to return 4056462acf6aSTony Nguyen * true 4057462acf6aSTony Nguyen */ 4058462acf6aSTony Nguyen if (ice_is_safe_mode(pf)) { 405919cce2c6SAnirudh Venkataramanan dev_err(dev, "Package download failed. Advanced features disabled - Device now in Safe Mode\n"); 4060462acf6aSTony Nguyen /* we already got function/device capabilities but these don't 4061462acf6aSTony Nguyen * reflect what the driver needs to do in safe mode. Instead of 4062462acf6aSTony Nguyen * adding conditional logic everywhere to ignore these 4063462acf6aSTony Nguyen * device/function capabilities, override them. 4064462acf6aSTony Nguyen */ 4065462acf6aSTony Nguyen ice_set_safe_mode_caps(hw); 4066462acf6aSTony Nguyen } 4067462acf6aSTony Nguyen 406878b5713aSAnirudh Venkataramanan err = ice_init_pf(pf); 406978b5713aSAnirudh Venkataramanan if (err) { 407078b5713aSAnirudh Venkataramanan dev_err(dev, "ice_init_pf failed: %d\n", err); 407178b5713aSAnirudh Venkataramanan goto err_init_pf_unroll; 407278b5713aSAnirudh Venkataramanan } 4073940b61afSAnirudh Venkataramanan 4074dce730f1SJacob Keller ice_devlink_init_regions(pf); 4075dce730f1SJacob Keller 4076995c90f2SAnirudh Venkataramanan pf->num_alloc_vsi = hw->func_caps.guar_num_vsi; 4077940b61afSAnirudh Venkataramanan if (!pf->num_alloc_vsi) { 4078940b61afSAnirudh Venkataramanan err = -EIO; 4079940b61afSAnirudh Venkataramanan goto err_init_pf_unroll; 4080940b61afSAnirudh Venkataramanan } 4081940b61afSAnirudh Venkataramanan 408277ed84f4SBruce Allan pf->vsi = devm_kcalloc(dev, pf->num_alloc_vsi, sizeof(*pf->vsi), 408377ed84f4SBruce Allan GFP_KERNEL); 4084940b61afSAnirudh Venkataramanan if (!pf->vsi) { 4085940b61afSAnirudh Venkataramanan err = -ENOMEM; 4086940b61afSAnirudh Venkataramanan goto err_init_pf_unroll; 4087940b61afSAnirudh Venkataramanan } 4088940b61afSAnirudh Venkataramanan 4089940b61afSAnirudh Venkataramanan err = ice_init_interrupt_scheme(pf); 4090940b61afSAnirudh Venkataramanan if (err) { 409177ed84f4SBruce Allan dev_err(dev, "ice_init_interrupt_scheme failed: %d\n", err); 4092940b61afSAnirudh Venkataramanan err = -EIO; 4093bc3a0241SJacob Keller goto err_init_vsi_unroll; 4094940b61afSAnirudh Venkataramanan } 4095940b61afSAnirudh Venkataramanan 4096940b61afSAnirudh Venkataramanan /* In case of MSIX we are going to setup the misc vector right here 4097940b61afSAnirudh Venkataramanan * to handle admin queue events etc. In case of legacy and MSI 4098940b61afSAnirudh Venkataramanan * the misc functionality and queue processing is combined in 4099940b61afSAnirudh Venkataramanan * the same vector and that gets setup at open. 4100940b61afSAnirudh Venkataramanan */ 4101940b61afSAnirudh Venkataramanan err = ice_req_irq_msix_misc(pf); 4102940b61afSAnirudh Venkataramanan if (err) { 410377ed84f4SBruce Allan dev_err(dev, "setup of misc vector failed: %d\n", err); 4104940b61afSAnirudh Venkataramanan goto err_init_interrupt_unroll; 4105940b61afSAnirudh Venkataramanan } 4106940b61afSAnirudh Venkataramanan 4107940b61afSAnirudh Venkataramanan /* create switch struct for the switch element created by FW on boot */ 410877ed84f4SBruce Allan pf->first_sw = devm_kzalloc(dev, sizeof(*pf->first_sw), GFP_KERNEL); 4109940b61afSAnirudh Venkataramanan if (!pf->first_sw) { 4110940b61afSAnirudh Venkataramanan err = -ENOMEM; 4111940b61afSAnirudh Venkataramanan goto err_msix_misc_unroll; 4112940b61afSAnirudh Venkataramanan } 4113940b61afSAnirudh Venkataramanan 4114b1edc14aSMd Fahad Iqbal Polash if (hw->evb_veb) 4115940b61afSAnirudh Venkataramanan pf->first_sw->bridge_mode = BRIDGE_MODE_VEB; 4116b1edc14aSMd Fahad Iqbal Polash else 4117b1edc14aSMd Fahad Iqbal Polash pf->first_sw->bridge_mode = BRIDGE_MODE_VEPA; 4118b1edc14aSMd Fahad Iqbal Polash 4119940b61afSAnirudh Venkataramanan pf->first_sw->pf = pf; 4120940b61afSAnirudh Venkataramanan 4121940b61afSAnirudh Venkataramanan /* record the sw_id available for later use */ 4122940b61afSAnirudh Venkataramanan pf->first_sw->sw_id = hw->port_info->sw_id; 4123940b61afSAnirudh Venkataramanan 41243a858ba3SAnirudh Venkataramanan err = ice_setup_pf_sw(pf); 41253a858ba3SAnirudh Venkataramanan if (err) { 41262f2da36eSAnirudh Venkataramanan dev_err(dev, "probe failed due to setup PF switch: %d\n", err); 41273a858ba3SAnirudh Venkataramanan goto err_alloc_sw_unroll; 41283a858ba3SAnirudh Venkataramanan } 41299daf8208SAnirudh Venkataramanan 41308d81fa55SAkeem G Abodunrin clear_bit(__ICE_SERVICE_DIS, pf->state); 41319daf8208SAnirudh Venkataramanan 4132e3710a01SPaul M Stillwell Jr /* tell the firmware we are up */ 4133e3710a01SPaul M Stillwell Jr err = ice_send_version(pf); 4134e3710a01SPaul M Stillwell Jr if (err) { 413519cce2c6SAnirudh Venkataramanan dev_err(dev, "probe failed sending driver version %s. error: %d\n", 413634a2a3b8SJeff Kirsher UTS_RELEASE, err); 413778116e97SMarcin Szycik goto err_send_version_unroll; 4138e3710a01SPaul M Stillwell Jr } 4139e3710a01SPaul M Stillwell Jr 41409daf8208SAnirudh Venkataramanan /* since everything is good, start the service timer */ 41419daf8208SAnirudh Venkataramanan mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period)); 41429daf8208SAnirudh Venkataramanan 4143250c3b3eSBrett Creeley err = ice_init_link_events(pf->hw.port_info); 4144250c3b3eSBrett Creeley if (err) { 4145250c3b3eSBrett Creeley dev_err(dev, "ice_init_link_events failed: %d\n", err); 414678116e97SMarcin Szycik goto err_send_version_unroll; 4147250c3b3eSBrett Creeley } 4148250c3b3eSBrett Creeley 41491a3571b5SPaul Greenwalt err = ice_init_nvm_phy_type(pf->hw.port_info); 41501a3571b5SPaul Greenwalt if (err) { 41511a3571b5SPaul Greenwalt dev_err(dev, "ice_init_nvm_phy_type failed: %d\n", err); 415278116e97SMarcin Szycik goto err_send_version_unroll; 41531a3571b5SPaul Greenwalt } 41541a3571b5SPaul Greenwalt 41551a3571b5SPaul Greenwalt err = ice_update_link_info(pf->hw.port_info); 41561a3571b5SPaul Greenwalt if (err) { 41571a3571b5SPaul Greenwalt dev_err(dev, "ice_update_link_info failed: %d\n", err); 415878116e97SMarcin Szycik goto err_send_version_unroll; 41591a3571b5SPaul Greenwalt } 41601a3571b5SPaul Greenwalt 4161ea78ce4dSPaul Greenwalt ice_init_link_dflt_override(pf->hw.port_info); 4162ea78ce4dSPaul Greenwalt 41631a3571b5SPaul Greenwalt /* if media available, initialize PHY settings */ 41641a3571b5SPaul Greenwalt if (pf->hw.port_info->phy.link_info.link_info & 41651a3571b5SPaul Greenwalt ICE_AQ_MEDIA_AVAILABLE) { 41661a3571b5SPaul Greenwalt err = ice_init_phy_user_cfg(pf->hw.port_info); 41671a3571b5SPaul Greenwalt if (err) { 41681a3571b5SPaul Greenwalt dev_err(dev, "ice_init_phy_user_cfg failed: %d\n", err); 416978116e97SMarcin Szycik goto err_send_version_unroll; 41701a3571b5SPaul Greenwalt } 41711a3571b5SPaul Greenwalt 41721a3571b5SPaul Greenwalt if (!test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags)) { 41731a3571b5SPaul Greenwalt struct ice_vsi *vsi = ice_get_main_vsi(pf); 41741a3571b5SPaul Greenwalt 41751a3571b5SPaul Greenwalt if (vsi) 41761a3571b5SPaul Greenwalt ice_configure_phy(vsi); 41771a3571b5SPaul Greenwalt } 41781a3571b5SPaul Greenwalt } else { 41791a3571b5SPaul Greenwalt set_bit(ICE_FLAG_NO_MEDIA, pf->flags); 41801a3571b5SPaul Greenwalt } 41811a3571b5SPaul Greenwalt 4182c585ea42SBrett Creeley ice_verify_cacheline_size(pf); 4183c585ea42SBrett Creeley 4184769c500dSAkeem G Abodunrin /* Save wakeup reason register for later use */ 4185769c500dSAkeem G Abodunrin pf->wakeup_reason = rd32(hw, PFPM_WUS); 4186769c500dSAkeem G Abodunrin 4187769c500dSAkeem G Abodunrin /* check for a power management event */ 4188769c500dSAkeem G Abodunrin ice_print_wake_reason(pf); 4189769c500dSAkeem G Abodunrin 4190769c500dSAkeem G Abodunrin /* clear wake status, all bits */ 4191769c500dSAkeem G Abodunrin wr32(hw, PFPM_WUS, U32_MAX); 4192769c500dSAkeem G Abodunrin 4193769c500dSAkeem G Abodunrin /* Disable WoL at init, wait for user to enable */ 4194769c500dSAkeem G Abodunrin device_set_wakeup_enable(dev, false); 4195769c500dSAkeem G Abodunrin 4196cd1f56f4SBrett Creeley if (ice_is_safe_mode(pf)) { 4197cd1f56f4SBrett Creeley ice_set_safe_mode_vlan_cfg(pf); 4198de75135bSAnirudh Venkataramanan goto probe_done; 4199cd1f56f4SBrett Creeley } 4200462acf6aSTony Nguyen 4201462acf6aSTony Nguyen /* initialize DDP driven features */ 4202462acf6aSTony Nguyen 4203148beb61SHenry Tieman /* Note: Flow director init failure is non-fatal to load */ 4204148beb61SHenry Tieman if (ice_init_fdir(pf)) 4205148beb61SHenry Tieman dev_err(dev, "could not initialize flow director\n"); 4206148beb61SHenry Tieman 4207462acf6aSTony Nguyen /* Note: DCB init failure is non-fatal to load */ 4208462acf6aSTony Nguyen if (ice_init_pf_dcb(pf, false)) { 4209462acf6aSTony Nguyen clear_bit(ICE_FLAG_DCB_CAPABLE, pf->flags); 4210462acf6aSTony Nguyen clear_bit(ICE_FLAG_DCB_ENA, pf->flags); 4211462acf6aSTony Nguyen } else { 4212462acf6aSTony Nguyen ice_cfg_lldp_mib_change(&pf->hw, true); 4213462acf6aSTony Nguyen } 4214462acf6aSTony Nguyen 4215e18ff118SPaul Greenwalt /* print PCI link speed and width */ 4216e18ff118SPaul Greenwalt pcie_print_link_status(pf->pdev); 4217e18ff118SPaul Greenwalt 4218de75135bSAnirudh Venkataramanan probe_done: 4219de75135bSAnirudh Venkataramanan /* ready to go, so clear down state bit */ 4220de75135bSAnirudh Venkataramanan clear_bit(__ICE_DOWN, pf->state); 4221837f08fdSAnirudh Venkataramanan return 0; 4222f31e4b6fSAnirudh Venkataramanan 422378116e97SMarcin Szycik err_send_version_unroll: 422478116e97SMarcin Szycik ice_vsi_release_all(pf); 42253a858ba3SAnirudh Venkataramanan err_alloc_sw_unroll: 42261adf7eadSJacob Keller ice_devlink_destroy_port(pf); 42278d81fa55SAkeem G Abodunrin set_bit(__ICE_SERVICE_DIS, pf->state); 42283a858ba3SAnirudh Venkataramanan set_bit(__ICE_DOWN, pf->state); 42294015d11eSBrett Creeley devm_kfree(dev, pf->first_sw); 4230940b61afSAnirudh Venkataramanan err_msix_misc_unroll: 4231940b61afSAnirudh Venkataramanan ice_free_irq_msix_misc(pf); 4232940b61afSAnirudh Venkataramanan err_init_interrupt_unroll: 4233940b61afSAnirudh Venkataramanan ice_clear_interrupt_scheme(pf); 4234bc3a0241SJacob Keller err_init_vsi_unroll: 423577ed84f4SBruce Allan devm_kfree(dev, pf->vsi); 4236940b61afSAnirudh Venkataramanan err_init_pf_unroll: 4237940b61afSAnirudh Venkataramanan ice_deinit_pf(pf); 4238dce730f1SJacob Keller ice_devlink_destroy_regions(pf); 4239940b61afSAnirudh Venkataramanan ice_deinit_hw(hw); 4240f31e4b6fSAnirudh Venkataramanan err_exit_unroll: 42411adf7eadSJacob Keller ice_devlink_unregister(pf); 4242f31e4b6fSAnirudh Venkataramanan pci_disable_pcie_error_reporting(pdev); 4243769c500dSAkeem G Abodunrin pci_disable_device(pdev); 4244f31e4b6fSAnirudh Venkataramanan return err; 4245837f08fdSAnirudh Venkataramanan } 4246837f08fdSAnirudh Venkataramanan 4247837f08fdSAnirudh Venkataramanan /** 4248769c500dSAkeem G Abodunrin * ice_set_wake - enable or disable Wake on LAN 4249769c500dSAkeem G Abodunrin * @pf: pointer to the PF struct 4250769c500dSAkeem G Abodunrin * 4251769c500dSAkeem G Abodunrin * Simple helper for WoL control 4252769c500dSAkeem G Abodunrin */ 4253769c500dSAkeem G Abodunrin static void ice_set_wake(struct ice_pf *pf) 4254769c500dSAkeem G Abodunrin { 4255769c500dSAkeem G Abodunrin struct ice_hw *hw = &pf->hw; 4256769c500dSAkeem G Abodunrin bool wol = pf->wol_ena; 4257769c500dSAkeem G Abodunrin 4258769c500dSAkeem G Abodunrin /* clear wake state, otherwise new wake events won't fire */ 4259769c500dSAkeem G Abodunrin wr32(hw, PFPM_WUS, U32_MAX); 4260769c500dSAkeem G Abodunrin 4261769c500dSAkeem G Abodunrin /* enable / disable APM wake up, no RMW needed */ 4262769c500dSAkeem G Abodunrin wr32(hw, PFPM_APM, wol ? PFPM_APM_APME_M : 0); 4263769c500dSAkeem G Abodunrin 4264769c500dSAkeem G Abodunrin /* set magic packet filter enabled */ 4265769c500dSAkeem G Abodunrin wr32(hw, PFPM_WUFC, wol ? PFPM_WUFC_MAG_M : 0); 4266769c500dSAkeem G Abodunrin } 4267769c500dSAkeem G Abodunrin 4268769c500dSAkeem G Abodunrin /** 4269769c500dSAkeem G Abodunrin * ice_setup_magic_mc_wake - setup device to wake on multicast magic packet 4270769c500dSAkeem G Abodunrin * @pf: pointer to the PF struct 4271769c500dSAkeem G Abodunrin * 4272769c500dSAkeem G Abodunrin * Issue firmware command to enable multicast magic wake, making 4273769c500dSAkeem G Abodunrin * sure that any locally administered address (LAA) is used for 4274769c500dSAkeem G Abodunrin * wake, and that PF reset doesn't undo the LAA. 4275769c500dSAkeem G Abodunrin */ 4276769c500dSAkeem G Abodunrin static void ice_setup_mc_magic_wake(struct ice_pf *pf) 4277769c500dSAkeem G Abodunrin { 4278769c500dSAkeem G Abodunrin struct device *dev = ice_pf_to_dev(pf); 4279769c500dSAkeem G Abodunrin struct ice_hw *hw = &pf->hw; 4280769c500dSAkeem G Abodunrin enum ice_status status; 4281769c500dSAkeem G Abodunrin u8 mac_addr[ETH_ALEN]; 4282769c500dSAkeem G Abodunrin struct ice_vsi *vsi; 4283769c500dSAkeem G Abodunrin u8 flags; 4284769c500dSAkeem G Abodunrin 4285769c500dSAkeem G Abodunrin if (!pf->wol_ena) 4286769c500dSAkeem G Abodunrin return; 4287769c500dSAkeem G Abodunrin 4288769c500dSAkeem G Abodunrin vsi = ice_get_main_vsi(pf); 4289769c500dSAkeem G Abodunrin if (!vsi) 4290769c500dSAkeem G Abodunrin return; 4291769c500dSAkeem G Abodunrin 4292769c500dSAkeem G Abodunrin /* Get current MAC address in case it's an LAA */ 4293769c500dSAkeem G Abodunrin if (vsi->netdev) 4294769c500dSAkeem G Abodunrin ether_addr_copy(mac_addr, vsi->netdev->dev_addr); 4295769c500dSAkeem G Abodunrin else 4296769c500dSAkeem G Abodunrin ether_addr_copy(mac_addr, vsi->port_info->mac.perm_addr); 4297769c500dSAkeem G Abodunrin 4298769c500dSAkeem G Abodunrin flags = ICE_AQC_MAN_MAC_WR_MC_MAG_EN | 4299769c500dSAkeem G Abodunrin ICE_AQC_MAN_MAC_UPDATE_LAA_WOL | 4300769c500dSAkeem G Abodunrin ICE_AQC_MAN_MAC_WR_WOL_LAA_PFR_KEEP; 4301769c500dSAkeem G Abodunrin 4302769c500dSAkeem G Abodunrin status = ice_aq_manage_mac_write(hw, mac_addr, flags, NULL); 4303769c500dSAkeem G Abodunrin if (status) 4304769c500dSAkeem G Abodunrin dev_err(dev, "Failed to enable Multicast Magic Packet wake, err %s aq_err %s\n", 4305769c500dSAkeem G Abodunrin ice_stat_str(status), 4306769c500dSAkeem G Abodunrin ice_aq_str(hw->adminq.sq_last_status)); 4307769c500dSAkeem G Abodunrin } 4308769c500dSAkeem G Abodunrin 4309769c500dSAkeem G Abodunrin /** 4310837f08fdSAnirudh Venkataramanan * ice_remove - Device removal routine 4311837f08fdSAnirudh Venkataramanan * @pdev: PCI device information struct 4312837f08fdSAnirudh Venkataramanan */ 4313837f08fdSAnirudh Venkataramanan static void ice_remove(struct pci_dev *pdev) 4314837f08fdSAnirudh Venkataramanan { 4315837f08fdSAnirudh Venkataramanan struct ice_pf *pf = pci_get_drvdata(pdev); 431681b23589SDave Ertman int i; 4317837f08fdSAnirudh Venkataramanan 4318837f08fdSAnirudh Venkataramanan if (!pf) 4319837f08fdSAnirudh Venkataramanan return; 4320837f08fdSAnirudh Venkataramanan 4321afd9d4abSAnirudh Venkataramanan for (i = 0; i < ICE_MAX_RESET_WAIT; i++) { 4322afd9d4abSAnirudh Venkataramanan if (!ice_is_reset_in_progress(pf->state)) 4323afd9d4abSAnirudh Venkataramanan break; 4324afd9d4abSAnirudh Venkataramanan msleep(100); 4325afd9d4abSAnirudh Venkataramanan } 4326afd9d4abSAnirudh Venkataramanan 4327f844d521SBrett Creeley if (test_bit(ICE_FLAG_SRIOV_ENA, pf->flags)) { 4328f844d521SBrett Creeley set_bit(__ICE_VF_RESETS_DISABLED, pf->state); 4329f844d521SBrett Creeley ice_free_vfs(pf); 4330f844d521SBrett Creeley } 4331f844d521SBrett Creeley 4332837f08fdSAnirudh Venkataramanan set_bit(__ICE_DOWN, pf->state); 43338d81fa55SAkeem G Abodunrin ice_service_task_stop(pf); 4334f31e4b6fSAnirudh Venkataramanan 4335d69ea414SJacob Keller ice_aq_cancel_waiting_tasks(pf); 4336d69ea414SJacob Keller 4337148beb61SHenry Tieman mutex_destroy(&(&pf->hw)->fdir_fltr_lock); 433828bf2672SBrett Creeley if (!ice_is_safe_mode(pf)) 433928bf2672SBrett Creeley ice_remove_arfs(pf); 4340769c500dSAkeem G Abodunrin ice_setup_mc_magic_wake(pf); 43411adf7eadSJacob Keller ice_devlink_destroy_port(pf); 43420f9d5027SAnirudh Venkataramanan ice_vsi_release_all(pf); 4343769c500dSAkeem G Abodunrin ice_set_wake(pf); 4344940b61afSAnirudh Venkataramanan ice_free_irq_msix_misc(pf); 434581b23589SDave Ertman ice_for_each_vsi(pf, i) { 434681b23589SDave Ertman if (!pf->vsi[i]) 434781b23589SDave Ertman continue; 434881b23589SDave Ertman ice_vsi_free_q_vectors(pf->vsi[i]); 434981b23589SDave Ertman } 4350940b61afSAnirudh Venkataramanan ice_deinit_pf(pf); 4351dce730f1SJacob Keller ice_devlink_destroy_regions(pf); 4352f31e4b6fSAnirudh Venkataramanan ice_deinit_hw(&pf->hw); 43531adf7eadSJacob Keller ice_devlink_unregister(pf); 43541adf7eadSJacob Keller 435518057cb3SBruce Allan /* Issue a PFR as part of the prescribed driver unload flow. Do not 435618057cb3SBruce Allan * do it via ice_schedule_reset() since there is no need to rebuild 435718057cb3SBruce Allan * and the service task is already stopped. 435818057cb3SBruce Allan */ 435918057cb3SBruce Allan ice_reset(&pf->hw, ICE_RESET_PFR); 4360c6012ac1SBruce Allan pci_wait_for_pending_transaction(pdev); 4361c6012ac1SBruce Allan ice_clear_interrupt_scheme(pf); 4362837f08fdSAnirudh Venkataramanan pci_disable_pcie_error_reporting(pdev); 4363769c500dSAkeem G Abodunrin pci_disable_device(pdev); 4364837f08fdSAnirudh Venkataramanan } 4365837f08fdSAnirudh Venkataramanan 43665995b6d0SBrett Creeley /** 4367769c500dSAkeem G Abodunrin * ice_shutdown - PCI callback for shutting down device 4368769c500dSAkeem G Abodunrin * @pdev: PCI device information struct 4369769c500dSAkeem G Abodunrin */ 4370769c500dSAkeem G Abodunrin static void ice_shutdown(struct pci_dev *pdev) 4371769c500dSAkeem G Abodunrin { 4372769c500dSAkeem G Abodunrin struct ice_pf *pf = pci_get_drvdata(pdev); 4373769c500dSAkeem G Abodunrin 4374769c500dSAkeem G Abodunrin ice_remove(pdev); 4375769c500dSAkeem G Abodunrin 4376769c500dSAkeem G Abodunrin if (system_state == SYSTEM_POWER_OFF) { 4377769c500dSAkeem G Abodunrin pci_wake_from_d3(pdev, pf->wol_ena); 4378769c500dSAkeem G Abodunrin pci_set_power_state(pdev, PCI_D3hot); 4379769c500dSAkeem G Abodunrin } 4380769c500dSAkeem G Abodunrin } 4381769c500dSAkeem G Abodunrin 4382769c500dSAkeem G Abodunrin #ifdef CONFIG_PM 4383769c500dSAkeem G Abodunrin /** 4384769c500dSAkeem G Abodunrin * ice_prepare_for_shutdown - prep for PCI shutdown 4385769c500dSAkeem G Abodunrin * @pf: board private structure 4386769c500dSAkeem G Abodunrin * 4387769c500dSAkeem G Abodunrin * Inform or close all dependent features in prep for PCI device shutdown 4388769c500dSAkeem G Abodunrin */ 4389769c500dSAkeem G Abodunrin static void ice_prepare_for_shutdown(struct ice_pf *pf) 4390769c500dSAkeem G Abodunrin { 4391769c500dSAkeem G Abodunrin struct ice_hw *hw = &pf->hw; 4392769c500dSAkeem G Abodunrin u32 v; 4393769c500dSAkeem G Abodunrin 4394769c500dSAkeem G Abodunrin /* Notify VFs of impending reset */ 4395769c500dSAkeem G Abodunrin if (ice_check_sq_alive(hw, &hw->mailboxq)) 4396769c500dSAkeem G Abodunrin ice_vc_notify_reset(pf); 4397769c500dSAkeem G Abodunrin 4398769c500dSAkeem G Abodunrin dev_dbg(ice_pf_to_dev(pf), "Tearing down internal switch for shutdown\n"); 4399769c500dSAkeem G Abodunrin 4400769c500dSAkeem G Abodunrin /* disable the VSIs and their queues that are not already DOWN */ 4401769c500dSAkeem G Abodunrin ice_pf_dis_all_vsi(pf, false); 4402769c500dSAkeem G Abodunrin 4403769c500dSAkeem G Abodunrin ice_for_each_vsi(pf, v) 4404769c500dSAkeem G Abodunrin if (pf->vsi[v]) 4405769c500dSAkeem G Abodunrin pf->vsi[v]->vsi_num = 0; 4406769c500dSAkeem G Abodunrin 4407769c500dSAkeem G Abodunrin ice_shutdown_all_ctrlq(hw); 4408769c500dSAkeem G Abodunrin } 4409769c500dSAkeem G Abodunrin 4410769c500dSAkeem G Abodunrin /** 4411769c500dSAkeem G Abodunrin * ice_reinit_interrupt_scheme - Reinitialize interrupt scheme 4412769c500dSAkeem G Abodunrin * @pf: board private structure to reinitialize 4413769c500dSAkeem G Abodunrin * 4414769c500dSAkeem G Abodunrin * This routine reinitialize interrupt scheme that was cleared during 4415769c500dSAkeem G Abodunrin * power management suspend callback. 4416769c500dSAkeem G Abodunrin * 4417769c500dSAkeem G Abodunrin * This should be called during resume routine to re-allocate the q_vectors 4418769c500dSAkeem G Abodunrin * and reacquire interrupts. 4419769c500dSAkeem G Abodunrin */ 4420769c500dSAkeem G Abodunrin static int ice_reinit_interrupt_scheme(struct ice_pf *pf) 4421769c500dSAkeem G Abodunrin { 4422769c500dSAkeem G Abodunrin struct device *dev = ice_pf_to_dev(pf); 4423769c500dSAkeem G Abodunrin int ret, v; 4424769c500dSAkeem G Abodunrin 4425769c500dSAkeem G Abodunrin /* Since we clear MSIX flag during suspend, we need to 4426769c500dSAkeem G Abodunrin * set it back during resume... 4427769c500dSAkeem G Abodunrin */ 4428769c500dSAkeem G Abodunrin 4429769c500dSAkeem G Abodunrin ret = ice_init_interrupt_scheme(pf); 4430769c500dSAkeem G Abodunrin if (ret) { 4431769c500dSAkeem G Abodunrin dev_err(dev, "Failed to re-initialize interrupt %d\n", ret); 4432769c500dSAkeem G Abodunrin return ret; 4433769c500dSAkeem G Abodunrin } 4434769c500dSAkeem G Abodunrin 4435769c500dSAkeem G Abodunrin /* Remap vectors and rings, after successful re-init interrupts */ 4436769c500dSAkeem G Abodunrin ice_for_each_vsi(pf, v) { 4437769c500dSAkeem G Abodunrin if (!pf->vsi[v]) 4438769c500dSAkeem G Abodunrin continue; 4439769c500dSAkeem G Abodunrin 4440769c500dSAkeem G Abodunrin ret = ice_vsi_alloc_q_vectors(pf->vsi[v]); 4441769c500dSAkeem G Abodunrin if (ret) 4442769c500dSAkeem G Abodunrin goto err_reinit; 4443769c500dSAkeem G Abodunrin ice_vsi_map_rings_to_vectors(pf->vsi[v]); 4444769c500dSAkeem G Abodunrin } 4445769c500dSAkeem G Abodunrin 4446769c500dSAkeem G Abodunrin ret = ice_req_irq_msix_misc(pf); 4447769c500dSAkeem G Abodunrin if (ret) { 4448769c500dSAkeem G Abodunrin dev_err(dev, "Setting up misc vector failed after device suspend %d\n", 4449769c500dSAkeem G Abodunrin ret); 4450769c500dSAkeem G Abodunrin goto err_reinit; 4451769c500dSAkeem G Abodunrin } 4452769c500dSAkeem G Abodunrin 4453769c500dSAkeem G Abodunrin return 0; 4454769c500dSAkeem G Abodunrin 4455769c500dSAkeem G Abodunrin err_reinit: 4456769c500dSAkeem G Abodunrin while (v--) 4457769c500dSAkeem G Abodunrin if (pf->vsi[v]) 4458769c500dSAkeem G Abodunrin ice_vsi_free_q_vectors(pf->vsi[v]); 4459769c500dSAkeem G Abodunrin 4460769c500dSAkeem G Abodunrin return ret; 4461769c500dSAkeem G Abodunrin } 4462769c500dSAkeem G Abodunrin 4463769c500dSAkeem G Abodunrin /** 4464769c500dSAkeem G Abodunrin * ice_suspend 4465769c500dSAkeem G Abodunrin * @dev: generic device information structure 4466769c500dSAkeem G Abodunrin * 4467769c500dSAkeem G Abodunrin * Power Management callback to quiesce the device and prepare 4468769c500dSAkeem G Abodunrin * for D3 transition. 4469769c500dSAkeem G Abodunrin */ 447065c72291SWei Yongjun static int __maybe_unused ice_suspend(struct device *dev) 4471769c500dSAkeem G Abodunrin { 4472769c500dSAkeem G Abodunrin struct pci_dev *pdev = to_pci_dev(dev); 4473769c500dSAkeem G Abodunrin struct ice_pf *pf; 4474769c500dSAkeem G Abodunrin int disabled, v; 4475769c500dSAkeem G Abodunrin 4476769c500dSAkeem G Abodunrin pf = pci_get_drvdata(pdev); 4477769c500dSAkeem G Abodunrin 4478769c500dSAkeem G Abodunrin if (!ice_pf_state_is_nominal(pf)) { 4479769c500dSAkeem G Abodunrin dev_err(dev, "Device is not ready, no need to suspend it\n"); 4480769c500dSAkeem G Abodunrin return -EBUSY; 4481769c500dSAkeem G Abodunrin } 4482769c500dSAkeem G Abodunrin 4483769c500dSAkeem G Abodunrin /* Stop watchdog tasks until resume completion. 4484769c500dSAkeem G Abodunrin * Even though it is most likely that the service task is 4485769c500dSAkeem G Abodunrin * disabled if the device is suspended or down, the service task's 4486769c500dSAkeem G Abodunrin * state is controlled by a different state bit, and we should 4487769c500dSAkeem G Abodunrin * store and honor whatever state that bit is in at this point. 4488769c500dSAkeem G Abodunrin */ 4489769c500dSAkeem G Abodunrin disabled = ice_service_task_stop(pf); 4490769c500dSAkeem G Abodunrin 4491769c500dSAkeem G Abodunrin /* Already suspended?, then there is nothing to do */ 4492769c500dSAkeem G Abodunrin if (test_and_set_bit(__ICE_SUSPENDED, pf->state)) { 4493769c500dSAkeem G Abodunrin if (!disabled) 4494769c500dSAkeem G Abodunrin ice_service_task_restart(pf); 4495769c500dSAkeem G Abodunrin return 0; 4496769c500dSAkeem G Abodunrin } 4497769c500dSAkeem G Abodunrin 4498769c500dSAkeem G Abodunrin if (test_bit(__ICE_DOWN, pf->state) || 4499769c500dSAkeem G Abodunrin ice_is_reset_in_progress(pf->state)) { 4500769c500dSAkeem G Abodunrin dev_err(dev, "can't suspend device in reset or already down\n"); 4501769c500dSAkeem G Abodunrin if (!disabled) 4502769c500dSAkeem G Abodunrin ice_service_task_restart(pf); 4503769c500dSAkeem G Abodunrin return 0; 4504769c500dSAkeem G Abodunrin } 4505769c500dSAkeem G Abodunrin 4506769c500dSAkeem G Abodunrin ice_setup_mc_magic_wake(pf); 4507769c500dSAkeem G Abodunrin 4508769c500dSAkeem G Abodunrin ice_prepare_for_shutdown(pf); 4509769c500dSAkeem G Abodunrin 4510769c500dSAkeem G Abodunrin ice_set_wake(pf); 4511769c500dSAkeem G Abodunrin 4512769c500dSAkeem G Abodunrin /* Free vectors, clear the interrupt scheme and release IRQs 4513769c500dSAkeem G Abodunrin * for proper hibernation, especially with large number of CPUs. 4514769c500dSAkeem G Abodunrin * Otherwise hibernation might fail when mapping all the vectors back 4515769c500dSAkeem G Abodunrin * to CPU0. 4516769c500dSAkeem G Abodunrin */ 4517769c500dSAkeem G Abodunrin ice_free_irq_msix_misc(pf); 4518769c500dSAkeem G Abodunrin ice_for_each_vsi(pf, v) { 4519769c500dSAkeem G Abodunrin if (!pf->vsi[v]) 4520769c500dSAkeem G Abodunrin continue; 4521769c500dSAkeem G Abodunrin ice_vsi_free_q_vectors(pf->vsi[v]); 4522769c500dSAkeem G Abodunrin } 4523769c500dSAkeem G Abodunrin ice_clear_interrupt_scheme(pf); 4524769c500dSAkeem G Abodunrin 4525769c500dSAkeem G Abodunrin pci_wake_from_d3(pdev, pf->wol_ena); 4526769c500dSAkeem G Abodunrin pci_set_power_state(pdev, PCI_D3hot); 4527769c500dSAkeem G Abodunrin return 0; 4528769c500dSAkeem G Abodunrin } 4529769c500dSAkeem G Abodunrin 4530769c500dSAkeem G Abodunrin /** 4531769c500dSAkeem G Abodunrin * ice_resume - PM callback for waking up from D3 4532769c500dSAkeem G Abodunrin * @dev: generic device information structure 4533769c500dSAkeem G Abodunrin */ 453465c72291SWei Yongjun static int __maybe_unused ice_resume(struct device *dev) 4535769c500dSAkeem G Abodunrin { 4536769c500dSAkeem G Abodunrin struct pci_dev *pdev = to_pci_dev(dev); 4537769c500dSAkeem G Abodunrin enum ice_reset_req reset_type; 4538769c500dSAkeem G Abodunrin struct ice_pf *pf; 4539769c500dSAkeem G Abodunrin struct ice_hw *hw; 4540769c500dSAkeem G Abodunrin int ret; 4541769c500dSAkeem G Abodunrin 4542769c500dSAkeem G Abodunrin pci_set_power_state(pdev, PCI_D0); 4543769c500dSAkeem G Abodunrin pci_restore_state(pdev); 4544769c500dSAkeem G Abodunrin pci_save_state(pdev); 4545769c500dSAkeem G Abodunrin 4546769c500dSAkeem G Abodunrin if (!pci_device_is_present(pdev)) 4547769c500dSAkeem G Abodunrin return -ENODEV; 4548769c500dSAkeem G Abodunrin 4549769c500dSAkeem G Abodunrin ret = pci_enable_device_mem(pdev); 4550769c500dSAkeem G Abodunrin if (ret) { 4551769c500dSAkeem G Abodunrin dev_err(dev, "Cannot enable device after suspend\n"); 4552769c500dSAkeem G Abodunrin return ret; 4553769c500dSAkeem G Abodunrin } 4554769c500dSAkeem G Abodunrin 4555769c500dSAkeem G Abodunrin pf = pci_get_drvdata(pdev); 4556769c500dSAkeem G Abodunrin hw = &pf->hw; 4557769c500dSAkeem G Abodunrin 4558769c500dSAkeem G Abodunrin pf->wakeup_reason = rd32(hw, PFPM_WUS); 4559769c500dSAkeem G Abodunrin ice_print_wake_reason(pf); 4560769c500dSAkeem G Abodunrin 4561769c500dSAkeem G Abodunrin /* We cleared the interrupt scheme when we suspended, so we need to 4562769c500dSAkeem G Abodunrin * restore it now to resume device functionality. 4563769c500dSAkeem G Abodunrin */ 4564769c500dSAkeem G Abodunrin ret = ice_reinit_interrupt_scheme(pf); 4565769c500dSAkeem G Abodunrin if (ret) 4566769c500dSAkeem G Abodunrin dev_err(dev, "Cannot restore interrupt scheme: %d\n", ret); 4567769c500dSAkeem G Abodunrin 4568769c500dSAkeem G Abodunrin clear_bit(__ICE_DOWN, pf->state); 4569769c500dSAkeem G Abodunrin /* Now perform PF reset and rebuild */ 4570769c500dSAkeem G Abodunrin reset_type = ICE_RESET_PFR; 4571769c500dSAkeem G Abodunrin /* re-enable service task for reset, but allow reset to schedule it */ 4572769c500dSAkeem G Abodunrin clear_bit(__ICE_SERVICE_DIS, pf->state); 4573769c500dSAkeem G Abodunrin 4574769c500dSAkeem G Abodunrin if (ice_schedule_reset(pf, reset_type)) 4575769c500dSAkeem G Abodunrin dev_err(dev, "Reset during resume failed.\n"); 4576769c500dSAkeem G Abodunrin 4577769c500dSAkeem G Abodunrin clear_bit(__ICE_SUSPENDED, pf->state); 4578769c500dSAkeem G Abodunrin ice_service_task_restart(pf); 4579769c500dSAkeem G Abodunrin 4580769c500dSAkeem G Abodunrin /* Restart the service task */ 4581769c500dSAkeem G Abodunrin mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period)); 4582769c500dSAkeem G Abodunrin 4583769c500dSAkeem G Abodunrin return 0; 4584769c500dSAkeem G Abodunrin } 4585769c500dSAkeem G Abodunrin #endif /* CONFIG_PM */ 4586769c500dSAkeem G Abodunrin 4587769c500dSAkeem G Abodunrin /** 45885995b6d0SBrett Creeley * ice_pci_err_detected - warning that PCI error has been detected 45895995b6d0SBrett Creeley * @pdev: PCI device information struct 45905995b6d0SBrett Creeley * @err: the type of PCI error 45915995b6d0SBrett Creeley * 45925995b6d0SBrett Creeley * Called to warn that something happened on the PCI bus and the error handling 45935995b6d0SBrett Creeley * is in progress. Allows the driver to gracefully prepare/handle PCI errors. 45945995b6d0SBrett Creeley */ 45955995b6d0SBrett Creeley static pci_ers_result_t 45965995b6d0SBrett Creeley ice_pci_err_detected(struct pci_dev *pdev, enum pci_channel_state err) 45975995b6d0SBrett Creeley { 45985995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 45995995b6d0SBrett Creeley 46005995b6d0SBrett Creeley if (!pf) { 46015995b6d0SBrett Creeley dev_err(&pdev->dev, "%s: unrecoverable device error %d\n", 46025995b6d0SBrett Creeley __func__, err); 46035995b6d0SBrett Creeley return PCI_ERS_RESULT_DISCONNECT; 46045995b6d0SBrett Creeley } 46055995b6d0SBrett Creeley 46065995b6d0SBrett Creeley if (!test_bit(__ICE_SUSPENDED, pf->state)) { 46075995b6d0SBrett Creeley ice_service_task_stop(pf); 46085995b6d0SBrett Creeley 46095995b6d0SBrett Creeley if (!test_bit(__ICE_PREPARED_FOR_RESET, pf->state)) { 46105995b6d0SBrett Creeley set_bit(__ICE_PFR_REQ, pf->state); 46115995b6d0SBrett Creeley ice_prepare_for_reset(pf); 46125995b6d0SBrett Creeley } 46135995b6d0SBrett Creeley } 46145995b6d0SBrett Creeley 46155995b6d0SBrett Creeley return PCI_ERS_RESULT_NEED_RESET; 46165995b6d0SBrett Creeley } 46175995b6d0SBrett Creeley 46185995b6d0SBrett Creeley /** 46195995b6d0SBrett Creeley * ice_pci_err_slot_reset - a PCI slot reset has just happened 46205995b6d0SBrett Creeley * @pdev: PCI device information struct 46215995b6d0SBrett Creeley * 46225995b6d0SBrett Creeley * Called to determine if the driver can recover from the PCI slot reset by 46235995b6d0SBrett Creeley * using a register read to determine if the device is recoverable. 46245995b6d0SBrett Creeley */ 46255995b6d0SBrett Creeley static pci_ers_result_t ice_pci_err_slot_reset(struct pci_dev *pdev) 46265995b6d0SBrett Creeley { 46275995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 46285995b6d0SBrett Creeley pci_ers_result_t result; 46295995b6d0SBrett Creeley int err; 46305995b6d0SBrett Creeley u32 reg; 46315995b6d0SBrett Creeley 46325995b6d0SBrett Creeley err = pci_enable_device_mem(pdev); 46335995b6d0SBrett Creeley if (err) { 463419cce2c6SAnirudh Venkataramanan dev_err(&pdev->dev, "Cannot re-enable PCI device after reset, error %d\n", 46355995b6d0SBrett Creeley err); 46365995b6d0SBrett Creeley result = PCI_ERS_RESULT_DISCONNECT; 46375995b6d0SBrett Creeley } else { 46385995b6d0SBrett Creeley pci_set_master(pdev); 46395995b6d0SBrett Creeley pci_restore_state(pdev); 46405995b6d0SBrett Creeley pci_save_state(pdev); 46415995b6d0SBrett Creeley pci_wake_from_d3(pdev, false); 46425995b6d0SBrett Creeley 46435995b6d0SBrett Creeley /* Check for life */ 46445995b6d0SBrett Creeley reg = rd32(&pf->hw, GLGEN_RTRIG); 46455995b6d0SBrett Creeley if (!reg) 46465995b6d0SBrett Creeley result = PCI_ERS_RESULT_RECOVERED; 46475995b6d0SBrett Creeley else 46485995b6d0SBrett Creeley result = PCI_ERS_RESULT_DISCONNECT; 46495995b6d0SBrett Creeley } 46505995b6d0SBrett Creeley 4651894020fdSKuppuswamy Sathyanarayanan err = pci_aer_clear_nonfatal_status(pdev); 46525995b6d0SBrett Creeley if (err) 465386f26a77SLinus Torvalds dev_dbg(&pdev->dev, "pci_aer_clear_nonfatal_status() failed, error %d\n", 46545995b6d0SBrett Creeley err); 46555995b6d0SBrett Creeley /* non-fatal, continue */ 46565995b6d0SBrett Creeley 46575995b6d0SBrett Creeley return result; 46585995b6d0SBrett Creeley } 46595995b6d0SBrett Creeley 46605995b6d0SBrett Creeley /** 46615995b6d0SBrett Creeley * ice_pci_err_resume - restart operations after PCI error recovery 46625995b6d0SBrett Creeley * @pdev: PCI device information struct 46635995b6d0SBrett Creeley * 46645995b6d0SBrett Creeley * Called to allow the driver to bring things back up after PCI error and/or 46655995b6d0SBrett Creeley * reset recovery have finished 46665995b6d0SBrett Creeley */ 46675995b6d0SBrett Creeley static void ice_pci_err_resume(struct pci_dev *pdev) 46685995b6d0SBrett Creeley { 46695995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 46705995b6d0SBrett Creeley 46715995b6d0SBrett Creeley if (!pf) { 467219cce2c6SAnirudh Venkataramanan dev_err(&pdev->dev, "%s failed, device is unrecoverable\n", 467319cce2c6SAnirudh Venkataramanan __func__); 46745995b6d0SBrett Creeley return; 46755995b6d0SBrett Creeley } 46765995b6d0SBrett Creeley 46775995b6d0SBrett Creeley if (test_bit(__ICE_SUSPENDED, pf->state)) { 46785995b6d0SBrett Creeley dev_dbg(&pdev->dev, "%s failed to resume normal operations!\n", 46795995b6d0SBrett Creeley __func__); 46805995b6d0SBrett Creeley return; 46815995b6d0SBrett Creeley } 46825995b6d0SBrett Creeley 4683a54a0b24SNick Nunley ice_restore_all_vfs_msi_state(pdev); 4684a54a0b24SNick Nunley 46855995b6d0SBrett Creeley ice_do_reset(pf, ICE_RESET_PFR); 46865995b6d0SBrett Creeley ice_service_task_restart(pf); 46875995b6d0SBrett Creeley mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period)); 46885995b6d0SBrett Creeley } 46895995b6d0SBrett Creeley 46905995b6d0SBrett Creeley /** 46915995b6d0SBrett Creeley * ice_pci_err_reset_prepare - prepare device driver for PCI reset 46925995b6d0SBrett Creeley * @pdev: PCI device information struct 46935995b6d0SBrett Creeley */ 46945995b6d0SBrett Creeley static void ice_pci_err_reset_prepare(struct pci_dev *pdev) 46955995b6d0SBrett Creeley { 46965995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 46975995b6d0SBrett Creeley 46985995b6d0SBrett Creeley if (!test_bit(__ICE_SUSPENDED, pf->state)) { 46995995b6d0SBrett Creeley ice_service_task_stop(pf); 47005995b6d0SBrett Creeley 47015995b6d0SBrett Creeley if (!test_bit(__ICE_PREPARED_FOR_RESET, pf->state)) { 47025995b6d0SBrett Creeley set_bit(__ICE_PFR_REQ, pf->state); 47035995b6d0SBrett Creeley ice_prepare_for_reset(pf); 47045995b6d0SBrett Creeley } 47055995b6d0SBrett Creeley } 47065995b6d0SBrett Creeley } 47075995b6d0SBrett Creeley 47085995b6d0SBrett Creeley /** 47095995b6d0SBrett Creeley * ice_pci_err_reset_done - PCI reset done, device driver reset can begin 47105995b6d0SBrett Creeley * @pdev: PCI device information struct 47115995b6d0SBrett Creeley */ 47125995b6d0SBrett Creeley static void ice_pci_err_reset_done(struct pci_dev *pdev) 47135995b6d0SBrett Creeley { 47145995b6d0SBrett Creeley ice_pci_err_resume(pdev); 47155995b6d0SBrett Creeley } 47165995b6d0SBrett Creeley 4717837f08fdSAnirudh Venkataramanan /* ice_pci_tbl - PCI Device ID Table 4718837f08fdSAnirudh Venkataramanan * 4719837f08fdSAnirudh Venkataramanan * Wildcard entries (PCI_ANY_ID) should come last 4720837f08fdSAnirudh Venkataramanan * Last entry must be all 0s 4721837f08fdSAnirudh Venkataramanan * 4722837f08fdSAnirudh Venkataramanan * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, 4723837f08fdSAnirudh Venkataramanan * Class, Class Mask, private data (not used) } 4724837f08fdSAnirudh Venkataramanan */ 4725837f08fdSAnirudh Venkataramanan static const struct pci_device_id ice_pci_tbl[] = { 4726633d7449SAnirudh Venkataramanan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_BACKPLANE), 0 }, 4727633d7449SAnirudh Venkataramanan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_QSFP), 0 }, 4728633d7449SAnirudh Venkataramanan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_SFP), 0 }, 4729195fb977SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810_XXV_SFP), 0 }, 4730e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_BACKPLANE), 0 }, 4731e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_QSFP), 0 }, 4732e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_SFP), 0 }, 4733e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_10G_BASE_T), 0 }, 4734e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_SGMII), 0 }, 47355d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_BACKPLANE), 0 }, 47365d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_QSFP), 0 }, 47375d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_SFP), 0 }, 47385d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_10G_BASE_T), 0 }, 47395d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_SGMII), 0 }, 47402fbfa966SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_BACKPLANE), 0 }, 47415d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_SFP), 0 }, 47425d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_10G_BASE_T), 0 }, 47435d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_SGMII), 0 }, 4744e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_BACKPLANE), 0 }, 4745e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_SFP), 0 }, 4746e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_10G_BASE_T), 0 }, 4747e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_1GBE), 0 }, 4748e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_QSFP), 0 }, 4749837f08fdSAnirudh Venkataramanan /* required last entry */ 4750837f08fdSAnirudh Venkataramanan { 0, } 4751837f08fdSAnirudh Venkataramanan }; 4752837f08fdSAnirudh Venkataramanan MODULE_DEVICE_TABLE(pci, ice_pci_tbl); 4753837f08fdSAnirudh Venkataramanan 4754769c500dSAkeem G Abodunrin static __maybe_unused SIMPLE_DEV_PM_OPS(ice_pm_ops, ice_suspend, ice_resume); 4755769c500dSAkeem G Abodunrin 47565995b6d0SBrett Creeley static const struct pci_error_handlers ice_pci_err_handler = { 47575995b6d0SBrett Creeley .error_detected = ice_pci_err_detected, 47585995b6d0SBrett Creeley .slot_reset = ice_pci_err_slot_reset, 47595995b6d0SBrett Creeley .reset_prepare = ice_pci_err_reset_prepare, 47605995b6d0SBrett Creeley .reset_done = ice_pci_err_reset_done, 47615995b6d0SBrett Creeley .resume = ice_pci_err_resume 47625995b6d0SBrett Creeley }; 47635995b6d0SBrett Creeley 4764837f08fdSAnirudh Venkataramanan static struct pci_driver ice_driver = { 4765837f08fdSAnirudh Venkataramanan .name = KBUILD_MODNAME, 4766837f08fdSAnirudh Venkataramanan .id_table = ice_pci_tbl, 4767837f08fdSAnirudh Venkataramanan .probe = ice_probe, 4768837f08fdSAnirudh Venkataramanan .remove = ice_remove, 4769769c500dSAkeem G Abodunrin #ifdef CONFIG_PM 4770769c500dSAkeem G Abodunrin .driver.pm = &ice_pm_ops, 4771769c500dSAkeem G Abodunrin #endif /* CONFIG_PM */ 4772769c500dSAkeem G Abodunrin .shutdown = ice_shutdown, 4773ddf30f7fSAnirudh Venkataramanan .sriov_configure = ice_sriov_configure, 47745995b6d0SBrett Creeley .err_handler = &ice_pci_err_handler 4775837f08fdSAnirudh Venkataramanan }; 4776837f08fdSAnirudh Venkataramanan 4777837f08fdSAnirudh Venkataramanan /** 4778837f08fdSAnirudh Venkataramanan * ice_module_init - Driver registration routine 4779837f08fdSAnirudh Venkataramanan * 4780837f08fdSAnirudh Venkataramanan * ice_module_init is the first routine called when the driver is 4781837f08fdSAnirudh Venkataramanan * loaded. All it does is register with the PCI subsystem. 4782837f08fdSAnirudh Venkataramanan */ 4783837f08fdSAnirudh Venkataramanan static int __init ice_module_init(void) 4784837f08fdSAnirudh Venkataramanan { 4785837f08fdSAnirudh Venkataramanan int status; 4786837f08fdSAnirudh Venkataramanan 478734a2a3b8SJeff Kirsher pr_info("%s\n", ice_driver_string); 4788837f08fdSAnirudh Venkataramanan pr_info("%s\n", ice_copyright); 4789837f08fdSAnirudh Venkataramanan 47900f9d5027SAnirudh Venkataramanan ice_wq = alloc_workqueue("%s", WQ_MEM_RECLAIM, 0, KBUILD_MODNAME); 4791940b61afSAnirudh Venkataramanan if (!ice_wq) { 4792940b61afSAnirudh Venkataramanan pr_err("Failed to create workqueue\n"); 4793940b61afSAnirudh Venkataramanan return -ENOMEM; 4794940b61afSAnirudh Venkataramanan } 4795940b61afSAnirudh Venkataramanan 4796837f08fdSAnirudh Venkataramanan status = pci_register_driver(&ice_driver); 4797940b61afSAnirudh Venkataramanan if (status) { 47982f2da36eSAnirudh Venkataramanan pr_err("failed to register PCI driver, err %d\n", status); 4799940b61afSAnirudh Venkataramanan destroy_workqueue(ice_wq); 4800940b61afSAnirudh Venkataramanan } 4801837f08fdSAnirudh Venkataramanan 4802837f08fdSAnirudh Venkataramanan return status; 4803837f08fdSAnirudh Venkataramanan } 4804837f08fdSAnirudh Venkataramanan module_init(ice_module_init); 4805837f08fdSAnirudh Venkataramanan 4806837f08fdSAnirudh Venkataramanan /** 4807837f08fdSAnirudh Venkataramanan * ice_module_exit - Driver exit cleanup routine 4808837f08fdSAnirudh Venkataramanan * 4809837f08fdSAnirudh Venkataramanan * ice_module_exit is called just before the driver is removed 4810837f08fdSAnirudh Venkataramanan * from memory. 4811837f08fdSAnirudh Venkataramanan */ 4812837f08fdSAnirudh Venkataramanan static void __exit ice_module_exit(void) 4813837f08fdSAnirudh Venkataramanan { 4814837f08fdSAnirudh Venkataramanan pci_unregister_driver(&ice_driver); 4815940b61afSAnirudh Venkataramanan destroy_workqueue(ice_wq); 4816837f08fdSAnirudh Venkataramanan pr_info("module unloaded\n"); 4817837f08fdSAnirudh Venkataramanan } 4818837f08fdSAnirudh Venkataramanan module_exit(ice_module_exit); 48193a858ba3SAnirudh Venkataramanan 48203a858ba3SAnirudh Venkataramanan /** 4821f9867df6SAnirudh Venkataramanan * ice_set_mac_address - NDO callback to set MAC address 4822e94d4478SAnirudh Venkataramanan * @netdev: network interface device structure 4823e94d4478SAnirudh Venkataramanan * @pi: pointer to an address structure 4824e94d4478SAnirudh Venkataramanan * 4825e94d4478SAnirudh Venkataramanan * Returns 0 on success, negative on failure 4826e94d4478SAnirudh Venkataramanan */ 4827e94d4478SAnirudh Venkataramanan static int ice_set_mac_address(struct net_device *netdev, void *pi) 4828e94d4478SAnirudh Venkataramanan { 4829e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 4830e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 4831e94d4478SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 4832e94d4478SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 4833e94d4478SAnirudh Venkataramanan struct sockaddr *addr = pi; 4834e94d4478SAnirudh Venkataramanan enum ice_status status; 4835e94d4478SAnirudh Venkataramanan u8 flags = 0; 4836bbb968e8SAkeem G Abodunrin int err = 0; 4837e94d4478SAnirudh Venkataramanan u8 *mac; 4838e94d4478SAnirudh Venkataramanan 4839e94d4478SAnirudh Venkataramanan mac = (u8 *)addr->sa_data; 4840e94d4478SAnirudh Venkataramanan 4841e94d4478SAnirudh Venkataramanan if (!is_valid_ether_addr(mac)) 4842e94d4478SAnirudh Venkataramanan return -EADDRNOTAVAIL; 4843e94d4478SAnirudh Venkataramanan 4844e94d4478SAnirudh Venkataramanan if (ether_addr_equal(netdev->dev_addr, mac)) { 4845e94d4478SAnirudh Venkataramanan netdev_warn(netdev, "already using mac %pM\n", mac); 4846e94d4478SAnirudh Venkataramanan return 0; 4847e94d4478SAnirudh Venkataramanan } 4848e94d4478SAnirudh Venkataramanan 4849e94d4478SAnirudh Venkataramanan if (test_bit(__ICE_DOWN, pf->state) || 48505df7e45dSDave Ertman ice_is_reset_in_progress(pf->state)) { 4851e94d4478SAnirudh Venkataramanan netdev_err(netdev, "can't set mac %pM. device not ready\n", 4852e94d4478SAnirudh Venkataramanan mac); 4853e94d4478SAnirudh Venkataramanan return -EBUSY; 4854e94d4478SAnirudh Venkataramanan } 4855e94d4478SAnirudh Venkataramanan 4856757976abSLihong Yang /* Clean up old MAC filter. Not an error if old filter doesn't exist */ 48571b8f15b6SMichal Swiatkowski status = ice_fltr_remove_mac(vsi, netdev->dev_addr, ICE_FWD_TO_VSI); 4858757976abSLihong Yang if (status && status != ICE_ERR_DOES_NOT_EXIST) { 4859e94d4478SAnirudh Venkataramanan err = -EADDRNOTAVAIL; 4860bbb968e8SAkeem G Abodunrin goto err_update_filters; 4861e94d4478SAnirudh Venkataramanan } 4862e94d4478SAnirudh Venkataramanan 4863757976abSLihong Yang /* Add filter for new MAC. If filter exists, just return success */ 48641b8f15b6SMichal Swiatkowski status = ice_fltr_add_mac(vsi, mac, ICE_FWD_TO_VSI); 4865757976abSLihong Yang if (status == ICE_ERR_ALREADY_EXISTS) { 4866757976abSLihong Yang netdev_dbg(netdev, "filter for MAC %pM already exists\n", mac); 4867757976abSLihong Yang return 0; 4868e94d4478SAnirudh Venkataramanan } 4869e94d4478SAnirudh Venkataramanan 4870757976abSLihong Yang /* error if the new filter addition failed */ 4871757976abSLihong Yang if (status) 4872757976abSLihong Yang err = -EADDRNOTAVAIL; 4873757976abSLihong Yang 4874bbb968e8SAkeem G Abodunrin err_update_filters: 4875e94d4478SAnirudh Venkataramanan if (err) { 48762f2da36eSAnirudh Venkataramanan netdev_err(netdev, "can't set MAC %pM. filter update failed\n", 4877e94d4478SAnirudh Venkataramanan mac); 4878e94d4478SAnirudh Venkataramanan return err; 4879e94d4478SAnirudh Venkataramanan } 4880e94d4478SAnirudh Venkataramanan 4881f9867df6SAnirudh Venkataramanan /* change the netdev's MAC address */ 4882e94d4478SAnirudh Venkataramanan memcpy(netdev->dev_addr, mac, netdev->addr_len); 48832f2da36eSAnirudh Venkataramanan netdev_dbg(vsi->netdev, "updated MAC address to %pM\n", 4884e94d4478SAnirudh Venkataramanan netdev->dev_addr); 4885e94d4478SAnirudh Venkataramanan 4886f9867df6SAnirudh Venkataramanan /* write new MAC address to the firmware */ 4887e94d4478SAnirudh Venkataramanan flags = ICE_AQC_MAN_MAC_UPDATE_LAA_WOL; 4888e94d4478SAnirudh Venkataramanan status = ice_aq_manage_mac_write(hw, mac, flags, NULL); 4889e94d4478SAnirudh Venkataramanan if (status) { 48900fee3577SLihong Yang netdev_err(netdev, "can't set MAC %pM. write to firmware failed error %s\n", 48910fee3577SLihong Yang mac, ice_stat_str(status)); 4892e94d4478SAnirudh Venkataramanan } 4893e94d4478SAnirudh Venkataramanan return 0; 4894e94d4478SAnirudh Venkataramanan } 4895e94d4478SAnirudh Venkataramanan 4896e94d4478SAnirudh Venkataramanan /** 4897e94d4478SAnirudh Venkataramanan * ice_set_rx_mode - NDO callback to set the netdev filters 4898e94d4478SAnirudh Venkataramanan * @netdev: network interface device structure 4899e94d4478SAnirudh Venkataramanan */ 4900e94d4478SAnirudh Venkataramanan static void ice_set_rx_mode(struct net_device *netdev) 4901e94d4478SAnirudh Venkataramanan { 4902e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 4903e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 4904e94d4478SAnirudh Venkataramanan 4905e94d4478SAnirudh Venkataramanan if (!vsi) 4906e94d4478SAnirudh Venkataramanan return; 4907e94d4478SAnirudh Venkataramanan 4908e94d4478SAnirudh Venkataramanan /* Set the flags to synchronize filters 4909e94d4478SAnirudh Venkataramanan * ndo_set_rx_mode may be triggered even without a change in netdev 4910e94d4478SAnirudh Venkataramanan * flags 4911e94d4478SAnirudh Venkataramanan */ 4912e94d4478SAnirudh Venkataramanan set_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags); 4913e94d4478SAnirudh Venkataramanan set_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags); 4914e94d4478SAnirudh Venkataramanan set_bit(ICE_FLAG_FLTR_SYNC, vsi->back->flags); 4915e94d4478SAnirudh Venkataramanan 4916e94d4478SAnirudh Venkataramanan /* schedule our worker thread which will take care of 4917e94d4478SAnirudh Venkataramanan * applying the new filter changes 4918e94d4478SAnirudh Venkataramanan */ 4919e94d4478SAnirudh Venkataramanan ice_service_task_schedule(vsi->back); 4920e94d4478SAnirudh Venkataramanan } 4921e94d4478SAnirudh Venkataramanan 4922e94d4478SAnirudh Venkataramanan /** 49231ddef455SUsha Ketineni * ice_set_tx_maxrate - NDO callback to set the maximum per-queue bitrate 49241ddef455SUsha Ketineni * @netdev: network interface device structure 49251ddef455SUsha Ketineni * @queue_index: Queue ID 49261ddef455SUsha Ketineni * @maxrate: maximum bandwidth in Mbps 49271ddef455SUsha Ketineni */ 49281ddef455SUsha Ketineni static int 49291ddef455SUsha Ketineni ice_set_tx_maxrate(struct net_device *netdev, int queue_index, u32 maxrate) 49301ddef455SUsha Ketineni { 49311ddef455SUsha Ketineni struct ice_netdev_priv *np = netdev_priv(netdev); 49321ddef455SUsha Ketineni struct ice_vsi *vsi = np->vsi; 49331ddef455SUsha Ketineni enum ice_status status; 49341ddef455SUsha Ketineni u16 q_handle; 49351ddef455SUsha Ketineni u8 tc; 49361ddef455SUsha Ketineni 49371ddef455SUsha Ketineni /* Validate maxrate requested is within permitted range */ 49381ddef455SUsha Ketineni if (maxrate && (maxrate > (ICE_SCHED_MAX_BW / 1000))) { 493919cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Invalid max rate %d specified for the queue %d\n", 49401ddef455SUsha Ketineni maxrate, queue_index); 49411ddef455SUsha Ketineni return -EINVAL; 49421ddef455SUsha Ketineni } 49431ddef455SUsha Ketineni 49441ddef455SUsha Ketineni q_handle = vsi->tx_rings[queue_index]->q_handle; 49451ddef455SUsha Ketineni tc = ice_dcb_get_tc(vsi, queue_index); 49461ddef455SUsha Ketineni 49471ddef455SUsha Ketineni /* Set BW back to default, when user set maxrate to 0 */ 49481ddef455SUsha Ketineni if (!maxrate) 49491ddef455SUsha Ketineni status = ice_cfg_q_bw_dflt_lmt(vsi->port_info, vsi->idx, tc, 49501ddef455SUsha Ketineni q_handle, ICE_MAX_BW); 49511ddef455SUsha Ketineni else 49521ddef455SUsha Ketineni status = ice_cfg_q_bw_lmt(vsi->port_info, vsi->idx, tc, 49531ddef455SUsha Ketineni q_handle, ICE_MAX_BW, maxrate * 1000); 49541ddef455SUsha Ketineni if (status) { 49550fee3577SLihong Yang netdev_err(netdev, "Unable to set Tx max rate, error %s\n", 49560fee3577SLihong Yang ice_stat_str(status)); 49571ddef455SUsha Ketineni return -EIO; 49581ddef455SUsha Ketineni } 49591ddef455SUsha Ketineni 49601ddef455SUsha Ketineni return 0; 49611ddef455SUsha Ketineni } 49621ddef455SUsha Ketineni 49631ddef455SUsha Ketineni /** 4964e94d4478SAnirudh Venkataramanan * ice_fdb_add - add an entry to the hardware database 4965e94d4478SAnirudh Venkataramanan * @ndm: the input from the stack 4966e94d4478SAnirudh Venkataramanan * @tb: pointer to array of nladdr (unused) 4967e94d4478SAnirudh Venkataramanan * @dev: the net device pointer 4968e94d4478SAnirudh Venkataramanan * @addr: the MAC address entry being added 4969f9867df6SAnirudh Venkataramanan * @vid: VLAN ID 4970e94d4478SAnirudh Venkataramanan * @flags: instructions from stack about fdb operation 497199be37edSBruce Allan * @extack: netlink extended ack 4972e94d4478SAnirudh Venkataramanan */ 497399be37edSBruce Allan static int 497499be37edSBruce Allan ice_fdb_add(struct ndmsg *ndm, struct nlattr __always_unused *tb[], 497599be37edSBruce Allan struct net_device *dev, const unsigned char *addr, u16 vid, 497699be37edSBruce Allan u16 flags, struct netlink_ext_ack __always_unused *extack) 4977e94d4478SAnirudh Venkataramanan { 4978e94d4478SAnirudh Venkataramanan int err; 4979e94d4478SAnirudh Venkataramanan 4980e94d4478SAnirudh Venkataramanan if (vid) { 4981e94d4478SAnirudh Venkataramanan netdev_err(dev, "VLANs aren't supported yet for dev_uc|mc_add()\n"); 4982e94d4478SAnirudh Venkataramanan return -EINVAL; 4983e94d4478SAnirudh Venkataramanan } 4984e94d4478SAnirudh Venkataramanan if (ndm->ndm_state && !(ndm->ndm_state & NUD_PERMANENT)) { 4985e94d4478SAnirudh Venkataramanan netdev_err(dev, "FDB only supports static addresses\n"); 4986e94d4478SAnirudh Venkataramanan return -EINVAL; 4987e94d4478SAnirudh Venkataramanan } 4988e94d4478SAnirudh Venkataramanan 4989e94d4478SAnirudh Venkataramanan if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr)) 4990e94d4478SAnirudh Venkataramanan err = dev_uc_add_excl(dev, addr); 4991e94d4478SAnirudh Venkataramanan else if (is_multicast_ether_addr(addr)) 4992e94d4478SAnirudh Venkataramanan err = dev_mc_add_excl(dev, addr); 4993e94d4478SAnirudh Venkataramanan else 4994e94d4478SAnirudh Venkataramanan err = -EINVAL; 4995e94d4478SAnirudh Venkataramanan 4996e94d4478SAnirudh Venkataramanan /* Only return duplicate errors if NLM_F_EXCL is set */ 4997e94d4478SAnirudh Venkataramanan if (err == -EEXIST && !(flags & NLM_F_EXCL)) 4998e94d4478SAnirudh Venkataramanan err = 0; 4999e94d4478SAnirudh Venkataramanan 5000e94d4478SAnirudh Venkataramanan return err; 5001e94d4478SAnirudh Venkataramanan } 5002e94d4478SAnirudh Venkataramanan 5003e94d4478SAnirudh Venkataramanan /** 5004e94d4478SAnirudh Venkataramanan * ice_fdb_del - delete an entry from the hardware database 5005e94d4478SAnirudh Venkataramanan * @ndm: the input from the stack 5006e94d4478SAnirudh Venkataramanan * @tb: pointer to array of nladdr (unused) 5007e94d4478SAnirudh Venkataramanan * @dev: the net device pointer 5008e94d4478SAnirudh Venkataramanan * @addr: the MAC address entry being added 5009f9867df6SAnirudh Venkataramanan * @vid: VLAN ID 5010e94d4478SAnirudh Venkataramanan */ 5011c8b7abddSBruce Allan static int 5012c8b7abddSBruce Allan ice_fdb_del(struct ndmsg *ndm, __always_unused struct nlattr *tb[], 5013e94d4478SAnirudh Venkataramanan struct net_device *dev, const unsigned char *addr, 5014e94d4478SAnirudh Venkataramanan __always_unused u16 vid) 5015e94d4478SAnirudh Venkataramanan { 5016e94d4478SAnirudh Venkataramanan int err; 5017e94d4478SAnirudh Venkataramanan 5018e94d4478SAnirudh Venkataramanan if (ndm->ndm_state & NUD_PERMANENT) { 5019e94d4478SAnirudh Venkataramanan netdev_err(dev, "FDB only supports static addresses\n"); 5020e94d4478SAnirudh Venkataramanan return -EINVAL; 5021e94d4478SAnirudh Venkataramanan } 5022e94d4478SAnirudh Venkataramanan 5023e94d4478SAnirudh Venkataramanan if (is_unicast_ether_addr(addr)) 5024e94d4478SAnirudh Venkataramanan err = dev_uc_del(dev, addr); 5025e94d4478SAnirudh Venkataramanan else if (is_multicast_ether_addr(addr)) 5026e94d4478SAnirudh Venkataramanan err = dev_mc_del(dev, addr); 5027e94d4478SAnirudh Venkataramanan else 5028e94d4478SAnirudh Venkataramanan err = -EINVAL; 5029e94d4478SAnirudh Venkataramanan 5030e94d4478SAnirudh Venkataramanan return err; 5031e94d4478SAnirudh Venkataramanan } 5032e94d4478SAnirudh Venkataramanan 5033e94d4478SAnirudh Venkataramanan /** 5034d76a60baSAnirudh Venkataramanan * ice_set_features - set the netdev feature flags 5035d76a60baSAnirudh Venkataramanan * @netdev: ptr to the netdev being adjusted 5036d76a60baSAnirudh Venkataramanan * @features: the feature set that the stack is suggesting 5037d76a60baSAnirudh Venkataramanan */ 5038c8b7abddSBruce Allan static int 5039c8b7abddSBruce Allan ice_set_features(struct net_device *netdev, netdev_features_t features) 5040d76a60baSAnirudh Venkataramanan { 5041d76a60baSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 5042d76a60baSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 50435f8cc355SHenry Tieman struct ice_pf *pf = vsi->back; 5044d76a60baSAnirudh Venkataramanan int ret = 0; 5045d76a60baSAnirudh Venkataramanan 5046462acf6aSTony Nguyen /* Don't set any netdev advanced features with device in Safe Mode */ 5047462acf6aSTony Nguyen if (ice_is_safe_mode(vsi->back)) { 504819cce2c6SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "Device is in Safe Mode - not enabling advanced netdev features\n"); 5049462acf6aSTony Nguyen return ret; 5050462acf6aSTony Nguyen } 5051462acf6aSTony Nguyen 50525f8cc355SHenry Tieman /* Do not change setting during reset */ 50535f8cc355SHenry Tieman if (ice_is_reset_in_progress(pf->state)) { 505419cce2c6SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "Device is resetting, changing advanced netdev features temporarily unavailable.\n"); 50555f8cc355SHenry Tieman return -EBUSY; 50565f8cc355SHenry Tieman } 50575f8cc355SHenry Tieman 50588f529ff9STony Nguyen /* Multiple features can be changed in one call so keep features in 50598f529ff9STony Nguyen * separate if/else statements to guarantee each feature is checked 50608f529ff9STony Nguyen */ 5061492af0abSMd Fahad Iqbal Polash if (features & NETIF_F_RXHASH && !(netdev->features & NETIF_F_RXHASH)) 5062492af0abSMd Fahad Iqbal Polash ret = ice_vsi_manage_rss_lut(vsi, true); 5063492af0abSMd Fahad Iqbal Polash else if (!(features & NETIF_F_RXHASH) && 5064492af0abSMd Fahad Iqbal Polash netdev->features & NETIF_F_RXHASH) 5065492af0abSMd Fahad Iqbal Polash ret = ice_vsi_manage_rss_lut(vsi, false); 5066492af0abSMd Fahad Iqbal Polash 5067d76a60baSAnirudh Venkataramanan if ((features & NETIF_F_HW_VLAN_CTAG_RX) && 5068d76a60baSAnirudh Venkataramanan !(netdev->features & NETIF_F_HW_VLAN_CTAG_RX)) 5069d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_stripping(vsi, true); 5070d76a60baSAnirudh Venkataramanan else if (!(features & NETIF_F_HW_VLAN_CTAG_RX) && 5071d76a60baSAnirudh Venkataramanan (netdev->features & NETIF_F_HW_VLAN_CTAG_RX)) 5072d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_stripping(vsi, false); 50738f529ff9STony Nguyen 50748f529ff9STony Nguyen if ((features & NETIF_F_HW_VLAN_CTAG_TX) && 5075d76a60baSAnirudh Venkataramanan !(netdev->features & NETIF_F_HW_VLAN_CTAG_TX)) 5076d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_insertion(vsi); 5077d76a60baSAnirudh Venkataramanan else if (!(features & NETIF_F_HW_VLAN_CTAG_TX) && 5078d76a60baSAnirudh Venkataramanan (netdev->features & NETIF_F_HW_VLAN_CTAG_TX)) 5079d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_insertion(vsi); 5080d76a60baSAnirudh Venkataramanan 50813171948eSTony Nguyen if ((features & NETIF_F_HW_VLAN_CTAG_FILTER) && 50823171948eSTony Nguyen !(netdev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) 50833171948eSTony Nguyen ret = ice_cfg_vlan_pruning(vsi, true, false); 50843171948eSTony Nguyen else if (!(features & NETIF_F_HW_VLAN_CTAG_FILTER) && 50853171948eSTony Nguyen (netdev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) 50863171948eSTony Nguyen ret = ice_cfg_vlan_pruning(vsi, false, false); 50873171948eSTony Nguyen 5088148beb61SHenry Tieman if ((features & NETIF_F_NTUPLE) && 508928bf2672SBrett Creeley !(netdev->features & NETIF_F_NTUPLE)) { 5090148beb61SHenry Tieman ice_vsi_manage_fdir(vsi, true); 509128bf2672SBrett Creeley ice_init_arfs(vsi); 509228bf2672SBrett Creeley } else if (!(features & NETIF_F_NTUPLE) && 509328bf2672SBrett Creeley (netdev->features & NETIF_F_NTUPLE)) { 5094148beb61SHenry Tieman ice_vsi_manage_fdir(vsi, false); 509528bf2672SBrett Creeley ice_clear_arfs(vsi); 509628bf2672SBrett Creeley } 5097148beb61SHenry Tieman 5098d76a60baSAnirudh Venkataramanan return ret; 5099d76a60baSAnirudh Venkataramanan } 5100d76a60baSAnirudh Venkataramanan 5101d76a60baSAnirudh Venkataramanan /** 5102f9867df6SAnirudh Venkataramanan * ice_vsi_vlan_setup - Setup VLAN offload properties on a VSI 5103f9867df6SAnirudh Venkataramanan * @vsi: VSI to setup VLAN properties for 5104d76a60baSAnirudh Venkataramanan */ 5105d76a60baSAnirudh Venkataramanan static int ice_vsi_vlan_setup(struct ice_vsi *vsi) 5106d76a60baSAnirudh Venkataramanan { 5107d76a60baSAnirudh Venkataramanan int ret = 0; 5108d76a60baSAnirudh Venkataramanan 5109d76a60baSAnirudh Venkataramanan if (vsi->netdev->features & NETIF_F_HW_VLAN_CTAG_RX) 5110d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_stripping(vsi, true); 5111d76a60baSAnirudh Venkataramanan if (vsi->netdev->features & NETIF_F_HW_VLAN_CTAG_TX) 5112d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_insertion(vsi); 5113d76a60baSAnirudh Venkataramanan 5114d76a60baSAnirudh Venkataramanan return ret; 5115d76a60baSAnirudh Venkataramanan } 5116d76a60baSAnirudh Venkataramanan 5117d76a60baSAnirudh Venkataramanan /** 5118cdedef59SAnirudh Venkataramanan * ice_vsi_cfg - Setup the VSI 5119cdedef59SAnirudh Venkataramanan * @vsi: the VSI being configured 5120cdedef59SAnirudh Venkataramanan * 5121cdedef59SAnirudh Venkataramanan * Return 0 on success and negative value on error 5122cdedef59SAnirudh Venkataramanan */ 51230e674aebSAnirudh Venkataramanan int ice_vsi_cfg(struct ice_vsi *vsi) 5124cdedef59SAnirudh Venkataramanan { 5125cdedef59SAnirudh Venkataramanan int err; 5126cdedef59SAnirudh Venkataramanan 5127c7f2c42bSAnirudh Venkataramanan if (vsi->netdev) { 5128e94d4478SAnirudh Venkataramanan ice_set_rx_mode(vsi->netdev); 51299ecd25c2SAnirudh Venkataramanan 51309ecd25c2SAnirudh Venkataramanan err = ice_vsi_vlan_setup(vsi); 51319ecd25c2SAnirudh Venkataramanan 5132d76a60baSAnirudh Venkataramanan if (err) 5133d76a60baSAnirudh Venkataramanan return err; 5134c7f2c42bSAnirudh Venkataramanan } 5135a629cf0aSAnirudh Venkataramanan ice_vsi_cfg_dcb_rings(vsi); 513603f7a986SAnirudh Venkataramanan 513703f7a986SAnirudh Venkataramanan err = ice_vsi_cfg_lan_txqs(vsi); 5138efc2214bSMaciej Fijalkowski if (!err && ice_is_xdp_ena_vsi(vsi)) 5139efc2214bSMaciej Fijalkowski err = ice_vsi_cfg_xdp_txqs(vsi); 5140cdedef59SAnirudh Venkataramanan if (!err) 5141cdedef59SAnirudh Venkataramanan err = ice_vsi_cfg_rxqs(vsi); 5142cdedef59SAnirudh Venkataramanan 5143cdedef59SAnirudh Venkataramanan return err; 5144cdedef59SAnirudh Venkataramanan } 5145cdedef59SAnirudh Venkataramanan 5146cdedef59SAnirudh Venkataramanan /** 51472b245cb2SAnirudh Venkataramanan * ice_napi_enable_all - Enable NAPI for all q_vectors in the VSI 51482b245cb2SAnirudh Venkataramanan * @vsi: the VSI being configured 51492b245cb2SAnirudh Venkataramanan */ 51502b245cb2SAnirudh Venkataramanan static void ice_napi_enable_all(struct ice_vsi *vsi) 51512b245cb2SAnirudh Venkataramanan { 51522b245cb2SAnirudh Venkataramanan int q_idx; 51532b245cb2SAnirudh Venkataramanan 51542b245cb2SAnirudh Venkataramanan if (!vsi->netdev) 51552b245cb2SAnirudh Venkataramanan return; 51562b245cb2SAnirudh Venkataramanan 51570c2561c8SBrett Creeley ice_for_each_q_vector(vsi, q_idx) { 5158eec90376SYoung Xiao struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 5159eec90376SYoung Xiao 5160eec90376SYoung Xiao if (q_vector->rx.ring || q_vector->tx.ring) 5161eec90376SYoung Xiao napi_enable(&q_vector->napi); 5162eec90376SYoung Xiao } 51632b245cb2SAnirudh Venkataramanan } 51642b245cb2SAnirudh Venkataramanan 51652b245cb2SAnirudh Venkataramanan /** 5166cdedef59SAnirudh Venkataramanan * ice_up_complete - Finish the last steps of bringing up a connection 5167cdedef59SAnirudh Venkataramanan * @vsi: The VSI being configured 5168cdedef59SAnirudh Venkataramanan * 5169cdedef59SAnirudh Venkataramanan * Return 0 on success and negative value on error 5170cdedef59SAnirudh Venkataramanan */ 5171cdedef59SAnirudh Venkataramanan static int ice_up_complete(struct ice_vsi *vsi) 5172cdedef59SAnirudh Venkataramanan { 5173cdedef59SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 5174cdedef59SAnirudh Venkataramanan int err; 5175cdedef59SAnirudh Venkataramanan 5176cdedef59SAnirudh Venkataramanan ice_vsi_cfg_msix(vsi); 5177cdedef59SAnirudh Venkataramanan 5178cdedef59SAnirudh Venkataramanan /* Enable only Rx rings, Tx rings were enabled by the FW when the 5179cdedef59SAnirudh Venkataramanan * Tx queue group list was configured and the context bits were 5180cdedef59SAnirudh Venkataramanan * programmed using ice_vsi_cfg_txqs 5181cdedef59SAnirudh Venkataramanan */ 518213a6233bSBrett Creeley err = ice_vsi_start_all_rx_rings(vsi); 5183cdedef59SAnirudh Venkataramanan if (err) 5184cdedef59SAnirudh Venkataramanan return err; 5185cdedef59SAnirudh Venkataramanan 5186cdedef59SAnirudh Venkataramanan clear_bit(__ICE_DOWN, vsi->state); 51872b245cb2SAnirudh Venkataramanan ice_napi_enable_all(vsi); 5188cdedef59SAnirudh Venkataramanan ice_vsi_ena_irq(vsi); 5189cdedef59SAnirudh Venkataramanan 5190cdedef59SAnirudh Venkataramanan if (vsi->port_info && 5191cdedef59SAnirudh Venkataramanan (vsi->port_info->phy.link_info.link_info & ICE_AQ_LINK_UP) && 5192cdedef59SAnirudh Venkataramanan vsi->netdev) { 5193cdedef59SAnirudh Venkataramanan ice_print_link_msg(vsi, true); 5194cdedef59SAnirudh Venkataramanan netif_tx_start_all_queues(vsi->netdev); 5195cdedef59SAnirudh Venkataramanan netif_carrier_on(vsi->netdev); 5196cdedef59SAnirudh Venkataramanan } 5197cdedef59SAnirudh Venkataramanan 5198cdedef59SAnirudh Venkataramanan ice_service_task_schedule(pf); 5199cdedef59SAnirudh Venkataramanan 52001b5c19c7SBruce Allan return 0; 5201cdedef59SAnirudh Venkataramanan } 5202cdedef59SAnirudh Venkataramanan 5203cdedef59SAnirudh Venkataramanan /** 5204fcea6f3dSAnirudh Venkataramanan * ice_up - Bring the connection back up after being down 5205fcea6f3dSAnirudh Venkataramanan * @vsi: VSI being configured 5206fcea6f3dSAnirudh Venkataramanan */ 5207fcea6f3dSAnirudh Venkataramanan int ice_up(struct ice_vsi *vsi) 5208fcea6f3dSAnirudh Venkataramanan { 5209fcea6f3dSAnirudh Venkataramanan int err; 5210fcea6f3dSAnirudh Venkataramanan 5211fcea6f3dSAnirudh Venkataramanan err = ice_vsi_cfg(vsi); 5212fcea6f3dSAnirudh Venkataramanan if (!err) 5213fcea6f3dSAnirudh Venkataramanan err = ice_up_complete(vsi); 5214fcea6f3dSAnirudh Venkataramanan 5215fcea6f3dSAnirudh Venkataramanan return err; 5216fcea6f3dSAnirudh Venkataramanan } 5217fcea6f3dSAnirudh Venkataramanan 5218fcea6f3dSAnirudh Venkataramanan /** 5219fcea6f3dSAnirudh Venkataramanan * ice_fetch_u64_stats_per_ring - get packets and bytes stats per ring 5220fcea6f3dSAnirudh Venkataramanan * @ring: Tx or Rx ring to read stats from 5221fcea6f3dSAnirudh Venkataramanan * @pkts: packets stats counter 5222fcea6f3dSAnirudh Venkataramanan * @bytes: bytes stats counter 5223fcea6f3dSAnirudh Venkataramanan * 5224fcea6f3dSAnirudh Venkataramanan * This function fetches stats from the ring considering the atomic operations 5225fcea6f3dSAnirudh Venkataramanan * that needs to be performed to read u64 values in 32 bit machine. 5226fcea6f3dSAnirudh Venkataramanan */ 5227c8b7abddSBruce Allan static void 5228c8b7abddSBruce Allan ice_fetch_u64_stats_per_ring(struct ice_ring *ring, u64 *pkts, u64 *bytes) 5229fcea6f3dSAnirudh Venkataramanan { 5230fcea6f3dSAnirudh Venkataramanan unsigned int start; 5231fcea6f3dSAnirudh Venkataramanan *pkts = 0; 5232fcea6f3dSAnirudh Venkataramanan *bytes = 0; 5233fcea6f3dSAnirudh Venkataramanan 5234fcea6f3dSAnirudh Venkataramanan if (!ring) 5235fcea6f3dSAnirudh Venkataramanan return; 5236fcea6f3dSAnirudh Venkataramanan do { 5237fcea6f3dSAnirudh Venkataramanan start = u64_stats_fetch_begin_irq(&ring->syncp); 5238fcea6f3dSAnirudh Venkataramanan *pkts = ring->stats.pkts; 5239fcea6f3dSAnirudh Venkataramanan *bytes = ring->stats.bytes; 5240fcea6f3dSAnirudh Venkataramanan } while (u64_stats_fetch_retry_irq(&ring->syncp, start)); 5241fcea6f3dSAnirudh Venkataramanan } 5242fcea6f3dSAnirudh Venkataramanan 5243fcea6f3dSAnirudh Venkataramanan /** 524449d358e0SMarta Plantykow * ice_update_vsi_tx_ring_stats - Update VSI Tx ring stats counters 524549d358e0SMarta Plantykow * @vsi: the VSI to be updated 524649d358e0SMarta Plantykow * @rings: rings to work on 524749d358e0SMarta Plantykow * @count: number of rings 524849d358e0SMarta Plantykow */ 524949d358e0SMarta Plantykow static void 525049d358e0SMarta Plantykow ice_update_vsi_tx_ring_stats(struct ice_vsi *vsi, struct ice_ring **rings, 525149d358e0SMarta Plantykow u16 count) 525249d358e0SMarta Plantykow { 525349d358e0SMarta Plantykow struct rtnl_link_stats64 *vsi_stats = &vsi->net_stats; 525449d358e0SMarta Plantykow u16 i; 525549d358e0SMarta Plantykow 525649d358e0SMarta Plantykow for (i = 0; i < count; i++) { 525749d358e0SMarta Plantykow struct ice_ring *ring; 525849d358e0SMarta Plantykow u64 pkts, bytes; 525949d358e0SMarta Plantykow 526049d358e0SMarta Plantykow ring = READ_ONCE(rings[i]); 526149d358e0SMarta Plantykow ice_fetch_u64_stats_per_ring(ring, &pkts, &bytes); 526249d358e0SMarta Plantykow vsi_stats->tx_packets += pkts; 526349d358e0SMarta Plantykow vsi_stats->tx_bytes += bytes; 526449d358e0SMarta Plantykow vsi->tx_restart += ring->tx_stats.restart_q; 526549d358e0SMarta Plantykow vsi->tx_busy += ring->tx_stats.tx_busy; 526649d358e0SMarta Plantykow vsi->tx_linearize += ring->tx_stats.tx_linearize; 526749d358e0SMarta Plantykow } 526849d358e0SMarta Plantykow } 526949d358e0SMarta Plantykow 527049d358e0SMarta Plantykow /** 5271fcea6f3dSAnirudh Venkataramanan * ice_update_vsi_ring_stats - Update VSI stats counters 5272fcea6f3dSAnirudh Venkataramanan * @vsi: the VSI to be updated 5273fcea6f3dSAnirudh Venkataramanan */ 5274fcea6f3dSAnirudh Venkataramanan static void ice_update_vsi_ring_stats(struct ice_vsi *vsi) 5275fcea6f3dSAnirudh Venkataramanan { 5276fcea6f3dSAnirudh Venkataramanan struct rtnl_link_stats64 *vsi_stats = &vsi->net_stats; 5277fcea6f3dSAnirudh Venkataramanan struct ice_ring *ring; 5278fcea6f3dSAnirudh Venkataramanan u64 pkts, bytes; 5279fcea6f3dSAnirudh Venkataramanan int i; 5280fcea6f3dSAnirudh Venkataramanan 5281fcea6f3dSAnirudh Venkataramanan /* reset netdev stats */ 5282fcea6f3dSAnirudh Venkataramanan vsi_stats->tx_packets = 0; 5283fcea6f3dSAnirudh Venkataramanan vsi_stats->tx_bytes = 0; 5284fcea6f3dSAnirudh Venkataramanan vsi_stats->rx_packets = 0; 5285fcea6f3dSAnirudh Venkataramanan vsi_stats->rx_bytes = 0; 5286fcea6f3dSAnirudh Venkataramanan 5287fcea6f3dSAnirudh Venkataramanan /* reset non-netdev (extended) stats */ 5288fcea6f3dSAnirudh Venkataramanan vsi->tx_restart = 0; 5289fcea6f3dSAnirudh Venkataramanan vsi->tx_busy = 0; 5290fcea6f3dSAnirudh Venkataramanan vsi->tx_linearize = 0; 5291fcea6f3dSAnirudh Venkataramanan vsi->rx_buf_failed = 0; 5292fcea6f3dSAnirudh Venkataramanan vsi->rx_page_failed = 0; 5293fcea6f3dSAnirudh Venkataramanan 5294fcea6f3dSAnirudh Venkataramanan rcu_read_lock(); 5295fcea6f3dSAnirudh Venkataramanan 5296fcea6f3dSAnirudh Venkataramanan /* update Tx rings counters */ 529749d358e0SMarta Plantykow ice_update_vsi_tx_ring_stats(vsi, vsi->tx_rings, vsi->num_txq); 5298fcea6f3dSAnirudh Venkataramanan 5299fcea6f3dSAnirudh Venkataramanan /* update Rx rings counters */ 5300fcea6f3dSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) { 5301fcea6f3dSAnirudh Venkataramanan ring = READ_ONCE(vsi->rx_rings[i]); 5302fcea6f3dSAnirudh Venkataramanan ice_fetch_u64_stats_per_ring(ring, &pkts, &bytes); 5303fcea6f3dSAnirudh Venkataramanan vsi_stats->rx_packets += pkts; 5304fcea6f3dSAnirudh Venkataramanan vsi_stats->rx_bytes += bytes; 5305fcea6f3dSAnirudh Venkataramanan vsi->rx_buf_failed += ring->rx_stats.alloc_buf_failed; 5306fcea6f3dSAnirudh Venkataramanan vsi->rx_page_failed += ring->rx_stats.alloc_page_failed; 5307fcea6f3dSAnirudh Venkataramanan } 5308fcea6f3dSAnirudh Venkataramanan 530949d358e0SMarta Plantykow /* update XDP Tx rings counters */ 531049d358e0SMarta Plantykow if (ice_is_xdp_ena_vsi(vsi)) 531149d358e0SMarta Plantykow ice_update_vsi_tx_ring_stats(vsi, vsi->xdp_rings, 531249d358e0SMarta Plantykow vsi->num_xdp_txq); 531349d358e0SMarta Plantykow 5314fcea6f3dSAnirudh Venkataramanan rcu_read_unlock(); 5315fcea6f3dSAnirudh Venkataramanan } 5316fcea6f3dSAnirudh Venkataramanan 5317fcea6f3dSAnirudh Venkataramanan /** 5318fcea6f3dSAnirudh Venkataramanan * ice_update_vsi_stats - Update VSI stats counters 5319fcea6f3dSAnirudh Venkataramanan * @vsi: the VSI to be updated 5320fcea6f3dSAnirudh Venkataramanan */ 53215a4a8673SBruce Allan void ice_update_vsi_stats(struct ice_vsi *vsi) 5322fcea6f3dSAnirudh Venkataramanan { 5323fcea6f3dSAnirudh Venkataramanan struct rtnl_link_stats64 *cur_ns = &vsi->net_stats; 5324fcea6f3dSAnirudh Venkataramanan struct ice_eth_stats *cur_es = &vsi->eth_stats; 5325fcea6f3dSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 5326fcea6f3dSAnirudh Venkataramanan 5327fcea6f3dSAnirudh Venkataramanan if (test_bit(__ICE_DOWN, vsi->state) || 5328fcea6f3dSAnirudh Venkataramanan test_bit(__ICE_CFG_BUSY, pf->state)) 5329fcea6f3dSAnirudh Venkataramanan return; 5330fcea6f3dSAnirudh Venkataramanan 5331fcea6f3dSAnirudh Venkataramanan /* get stats as recorded by Tx/Rx rings */ 5332fcea6f3dSAnirudh Venkataramanan ice_update_vsi_ring_stats(vsi); 5333fcea6f3dSAnirudh Venkataramanan 5334fcea6f3dSAnirudh Venkataramanan /* get VSI stats as recorded by the hardware */ 5335fcea6f3dSAnirudh Venkataramanan ice_update_eth_stats(vsi); 5336fcea6f3dSAnirudh Venkataramanan 5337fcea6f3dSAnirudh Venkataramanan cur_ns->tx_errors = cur_es->tx_errors; 5338fcea6f3dSAnirudh Venkataramanan cur_ns->rx_dropped = cur_es->rx_discards; 5339fcea6f3dSAnirudh Venkataramanan cur_ns->tx_dropped = cur_es->tx_discards; 5340fcea6f3dSAnirudh Venkataramanan cur_ns->multicast = cur_es->rx_multicast; 5341fcea6f3dSAnirudh Venkataramanan 5342fcea6f3dSAnirudh Venkataramanan /* update some more netdev stats if this is main VSI */ 5343fcea6f3dSAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF) { 5344fcea6f3dSAnirudh Venkataramanan cur_ns->rx_crc_errors = pf->stats.crc_errors; 5345fcea6f3dSAnirudh Venkataramanan cur_ns->rx_errors = pf->stats.crc_errors + 53464f1fe43cSBrett Creeley pf->stats.illegal_bytes + 53474f1fe43cSBrett Creeley pf->stats.rx_len_errors + 53484f1fe43cSBrett Creeley pf->stats.rx_undersize + 53494f1fe43cSBrett Creeley pf->hw_csum_rx_error + 53504f1fe43cSBrett Creeley pf->stats.rx_jabber + 53514f1fe43cSBrett Creeley pf->stats.rx_fragments + 53524f1fe43cSBrett Creeley pf->stats.rx_oversize; 5353fcea6f3dSAnirudh Venkataramanan cur_ns->rx_length_errors = pf->stats.rx_len_errors; 535456923ab6SBrett Creeley /* record drops from the port level */ 535556923ab6SBrett Creeley cur_ns->rx_missed_errors = pf->stats.eth.rx_discards; 5356fcea6f3dSAnirudh Venkataramanan } 5357fcea6f3dSAnirudh Venkataramanan } 5358fcea6f3dSAnirudh Venkataramanan 5359fcea6f3dSAnirudh Venkataramanan /** 5360fcea6f3dSAnirudh Venkataramanan * ice_update_pf_stats - Update PF port stats counters 5361fcea6f3dSAnirudh Venkataramanan * @pf: PF whose stats needs to be updated 5362fcea6f3dSAnirudh Venkataramanan */ 53635a4a8673SBruce Allan void ice_update_pf_stats(struct ice_pf *pf) 5364fcea6f3dSAnirudh Venkataramanan { 5365fcea6f3dSAnirudh Venkataramanan struct ice_hw_port_stats *prev_ps, *cur_ps; 5366fcea6f3dSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 53674ab95646SHenry Tieman u16 fd_ctr_base; 53689e7a5d17SUsha Ketineni u8 port; 5369fcea6f3dSAnirudh Venkataramanan 53709e7a5d17SUsha Ketineni port = hw->port_info->lport; 5371fcea6f3dSAnirudh Venkataramanan prev_ps = &pf->stats_prev; 5372fcea6f3dSAnirudh Venkataramanan cur_ps = &pf->stats; 5373fcea6f3dSAnirudh Venkataramanan 53749e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_GORCL(port), pf->stat_prev_loaded, 537536517fd3SJacob Keller &prev_ps->eth.rx_bytes, 5376fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_bytes); 5377fcea6f3dSAnirudh Venkataramanan 53789e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_UPRCL(port), pf->stat_prev_loaded, 537936517fd3SJacob Keller &prev_ps->eth.rx_unicast, 5380fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_unicast); 5381fcea6f3dSAnirudh Venkataramanan 53829e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_MPRCL(port), pf->stat_prev_loaded, 538336517fd3SJacob Keller &prev_ps->eth.rx_multicast, 5384fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_multicast); 5385fcea6f3dSAnirudh Venkataramanan 53869e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_BPRCL(port), pf->stat_prev_loaded, 538736517fd3SJacob Keller &prev_ps->eth.rx_broadcast, 5388fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_broadcast); 5389fcea6f3dSAnirudh Venkataramanan 539056923ab6SBrett Creeley ice_stat_update32(hw, PRTRPB_RDPC, pf->stat_prev_loaded, 539156923ab6SBrett Creeley &prev_ps->eth.rx_discards, 539256923ab6SBrett Creeley &cur_ps->eth.rx_discards); 539356923ab6SBrett Creeley 53949e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_GOTCL(port), pf->stat_prev_loaded, 539536517fd3SJacob Keller &prev_ps->eth.tx_bytes, 5396fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_bytes); 5397fcea6f3dSAnirudh Venkataramanan 53989e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_UPTCL(port), pf->stat_prev_loaded, 539936517fd3SJacob Keller &prev_ps->eth.tx_unicast, 5400fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_unicast); 5401fcea6f3dSAnirudh Venkataramanan 54029e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_MPTCL(port), pf->stat_prev_loaded, 540336517fd3SJacob Keller &prev_ps->eth.tx_multicast, 5404fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_multicast); 5405fcea6f3dSAnirudh Venkataramanan 54069e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_BPTCL(port), pf->stat_prev_loaded, 540736517fd3SJacob Keller &prev_ps->eth.tx_broadcast, 5408fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_broadcast); 5409fcea6f3dSAnirudh Venkataramanan 54109e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_TDOLD(port), pf->stat_prev_loaded, 5411fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_dropped_link_down, 5412fcea6f3dSAnirudh Venkataramanan &cur_ps->tx_dropped_link_down); 5413fcea6f3dSAnirudh Venkataramanan 54149e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC64L(port), pf->stat_prev_loaded, 541536517fd3SJacob Keller &prev_ps->rx_size_64, &cur_ps->rx_size_64); 5416fcea6f3dSAnirudh Venkataramanan 54179e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC127L(port), pf->stat_prev_loaded, 541836517fd3SJacob Keller &prev_ps->rx_size_127, &cur_ps->rx_size_127); 5419fcea6f3dSAnirudh Venkataramanan 54209e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC255L(port), pf->stat_prev_loaded, 542136517fd3SJacob Keller &prev_ps->rx_size_255, &cur_ps->rx_size_255); 5422fcea6f3dSAnirudh Venkataramanan 54239e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC511L(port), pf->stat_prev_loaded, 542436517fd3SJacob Keller &prev_ps->rx_size_511, &cur_ps->rx_size_511); 5425fcea6f3dSAnirudh Venkataramanan 54269e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC1023L(port), pf->stat_prev_loaded, 5427fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_size_1023, &cur_ps->rx_size_1023); 5428fcea6f3dSAnirudh Venkataramanan 54299e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC1522L(port), pf->stat_prev_loaded, 5430fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_size_1522, &cur_ps->rx_size_1522); 5431fcea6f3dSAnirudh Venkataramanan 54329e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC9522L(port), pf->stat_prev_loaded, 5433fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_size_big, &cur_ps->rx_size_big); 5434fcea6f3dSAnirudh Venkataramanan 54359e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC64L(port), pf->stat_prev_loaded, 543636517fd3SJacob Keller &prev_ps->tx_size_64, &cur_ps->tx_size_64); 5437fcea6f3dSAnirudh Venkataramanan 54389e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC127L(port), pf->stat_prev_loaded, 543936517fd3SJacob Keller &prev_ps->tx_size_127, &cur_ps->tx_size_127); 5440fcea6f3dSAnirudh Venkataramanan 54419e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC255L(port), pf->stat_prev_loaded, 544236517fd3SJacob Keller &prev_ps->tx_size_255, &cur_ps->tx_size_255); 5443fcea6f3dSAnirudh Venkataramanan 54449e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC511L(port), pf->stat_prev_loaded, 544536517fd3SJacob Keller &prev_ps->tx_size_511, &cur_ps->tx_size_511); 5446fcea6f3dSAnirudh Venkataramanan 54479e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC1023L(port), pf->stat_prev_loaded, 5448fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_size_1023, &cur_ps->tx_size_1023); 5449fcea6f3dSAnirudh Venkataramanan 54509e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC1522L(port), pf->stat_prev_loaded, 5451fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_size_1522, &cur_ps->tx_size_1522); 5452fcea6f3dSAnirudh Venkataramanan 54539e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC9522L(port), pf->stat_prev_loaded, 5454fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_size_big, &cur_ps->tx_size_big); 5455fcea6f3dSAnirudh Venkataramanan 54564ab95646SHenry Tieman fd_ctr_base = hw->fd_ctr_base; 54574ab95646SHenry Tieman 54584ab95646SHenry Tieman ice_stat_update40(hw, 54594ab95646SHenry Tieman GLSTAT_FD_CNT0L(ICE_FD_SB_STAT_IDX(fd_ctr_base)), 54604ab95646SHenry Tieman pf->stat_prev_loaded, &prev_ps->fd_sb_match, 54614ab95646SHenry Tieman &cur_ps->fd_sb_match); 54629e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXONRXC(port), pf->stat_prev_loaded, 5463fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xon_rx, &cur_ps->link_xon_rx); 5464fcea6f3dSAnirudh Venkataramanan 54659e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXOFFRXC(port), pf->stat_prev_loaded, 5466fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xoff_rx, &cur_ps->link_xoff_rx); 5467fcea6f3dSAnirudh Venkataramanan 54689e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXONTXC(port), pf->stat_prev_loaded, 5469fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xon_tx, &cur_ps->link_xon_tx); 5470fcea6f3dSAnirudh Venkataramanan 54719e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXOFFTXC(port), pf->stat_prev_loaded, 5472fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xoff_tx, &cur_ps->link_xoff_tx); 5473fcea6f3dSAnirudh Venkataramanan 54744b0fdcebSAnirudh Venkataramanan ice_update_dcb_stats(pf); 54754b0fdcebSAnirudh Venkataramanan 54769e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_CRCERRS(port), pf->stat_prev_loaded, 5477fcea6f3dSAnirudh Venkataramanan &prev_ps->crc_errors, &cur_ps->crc_errors); 5478fcea6f3dSAnirudh Venkataramanan 54799e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_ILLERRC(port), pf->stat_prev_loaded, 5480fcea6f3dSAnirudh Venkataramanan &prev_ps->illegal_bytes, &cur_ps->illegal_bytes); 5481fcea6f3dSAnirudh Venkataramanan 54829e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_MLFC(port), pf->stat_prev_loaded, 5483fcea6f3dSAnirudh Venkataramanan &prev_ps->mac_local_faults, 5484fcea6f3dSAnirudh Venkataramanan &cur_ps->mac_local_faults); 5485fcea6f3dSAnirudh Venkataramanan 54869e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_MRFC(port), pf->stat_prev_loaded, 5487fcea6f3dSAnirudh Venkataramanan &prev_ps->mac_remote_faults, 5488fcea6f3dSAnirudh Venkataramanan &cur_ps->mac_remote_faults); 5489fcea6f3dSAnirudh Venkataramanan 54909e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RLEC(port), pf->stat_prev_loaded, 5491fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_len_errors, &cur_ps->rx_len_errors); 5492fcea6f3dSAnirudh Venkataramanan 54939e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RUC(port), pf->stat_prev_loaded, 5494fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_undersize, &cur_ps->rx_undersize); 5495fcea6f3dSAnirudh Venkataramanan 54969e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RFC(port), pf->stat_prev_loaded, 5497fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_fragments, &cur_ps->rx_fragments); 5498fcea6f3dSAnirudh Venkataramanan 54999e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_ROC(port), pf->stat_prev_loaded, 5500fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_oversize, &cur_ps->rx_oversize); 5501fcea6f3dSAnirudh Venkataramanan 55029e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RJC(port), pf->stat_prev_loaded, 5503fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_jabber, &cur_ps->rx_jabber); 5504fcea6f3dSAnirudh Venkataramanan 55054ab95646SHenry Tieman cur_ps->fd_sb_status = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 55064ab95646SHenry Tieman 5507fcea6f3dSAnirudh Venkataramanan pf->stat_prev_loaded = true; 5508fcea6f3dSAnirudh Venkataramanan } 5509fcea6f3dSAnirudh Venkataramanan 5510fcea6f3dSAnirudh Venkataramanan /** 5511fcea6f3dSAnirudh Venkataramanan * ice_get_stats64 - get statistics for network device structure 5512fcea6f3dSAnirudh Venkataramanan * @netdev: network interface device structure 5513fcea6f3dSAnirudh Venkataramanan * @stats: main device statistics structure 5514fcea6f3dSAnirudh Venkataramanan */ 5515fcea6f3dSAnirudh Venkataramanan static 5516fcea6f3dSAnirudh Venkataramanan void ice_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats) 5517fcea6f3dSAnirudh Venkataramanan { 5518fcea6f3dSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 5519fcea6f3dSAnirudh Venkataramanan struct rtnl_link_stats64 *vsi_stats; 5520fcea6f3dSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 5521fcea6f3dSAnirudh Venkataramanan 5522fcea6f3dSAnirudh Venkataramanan vsi_stats = &vsi->net_stats; 5523fcea6f3dSAnirudh Venkataramanan 55243d57fd10SDave Ertman if (!vsi->num_txq || !vsi->num_rxq) 5525fcea6f3dSAnirudh Venkataramanan return; 55263d57fd10SDave Ertman 5527fcea6f3dSAnirudh Venkataramanan /* netdev packet/byte stats come from ring counter. These are obtained 5528fcea6f3dSAnirudh Venkataramanan * by summing up ring counters (done by ice_update_vsi_ring_stats). 55293d57fd10SDave Ertman * But, only call the update routine and read the registers if VSI is 55303d57fd10SDave Ertman * not down. 5531fcea6f3dSAnirudh Venkataramanan */ 55323d57fd10SDave Ertman if (!test_bit(__ICE_DOWN, vsi->state)) 5533fcea6f3dSAnirudh Venkataramanan ice_update_vsi_ring_stats(vsi); 5534fcea6f3dSAnirudh Venkataramanan stats->tx_packets = vsi_stats->tx_packets; 5535fcea6f3dSAnirudh Venkataramanan stats->tx_bytes = vsi_stats->tx_bytes; 5536fcea6f3dSAnirudh Venkataramanan stats->rx_packets = vsi_stats->rx_packets; 5537fcea6f3dSAnirudh Venkataramanan stats->rx_bytes = vsi_stats->rx_bytes; 5538fcea6f3dSAnirudh Venkataramanan 5539fcea6f3dSAnirudh Venkataramanan /* The rest of the stats can be read from the hardware but instead we 5540fcea6f3dSAnirudh Venkataramanan * just return values that the watchdog task has already obtained from 5541fcea6f3dSAnirudh Venkataramanan * the hardware. 5542fcea6f3dSAnirudh Venkataramanan */ 5543fcea6f3dSAnirudh Venkataramanan stats->multicast = vsi_stats->multicast; 5544fcea6f3dSAnirudh Venkataramanan stats->tx_errors = vsi_stats->tx_errors; 5545fcea6f3dSAnirudh Venkataramanan stats->tx_dropped = vsi_stats->tx_dropped; 5546fcea6f3dSAnirudh Venkataramanan stats->rx_errors = vsi_stats->rx_errors; 5547fcea6f3dSAnirudh Venkataramanan stats->rx_dropped = vsi_stats->rx_dropped; 5548fcea6f3dSAnirudh Venkataramanan stats->rx_crc_errors = vsi_stats->rx_crc_errors; 5549fcea6f3dSAnirudh Venkataramanan stats->rx_length_errors = vsi_stats->rx_length_errors; 5550fcea6f3dSAnirudh Venkataramanan } 5551fcea6f3dSAnirudh Venkataramanan 5552fcea6f3dSAnirudh Venkataramanan /** 55532b245cb2SAnirudh Venkataramanan * ice_napi_disable_all - Disable NAPI for all q_vectors in the VSI 55542b245cb2SAnirudh Venkataramanan * @vsi: VSI having NAPI disabled 55552b245cb2SAnirudh Venkataramanan */ 55562b245cb2SAnirudh Venkataramanan static void ice_napi_disable_all(struct ice_vsi *vsi) 55572b245cb2SAnirudh Venkataramanan { 55582b245cb2SAnirudh Venkataramanan int q_idx; 55592b245cb2SAnirudh Venkataramanan 55602b245cb2SAnirudh Venkataramanan if (!vsi->netdev) 55612b245cb2SAnirudh Venkataramanan return; 55622b245cb2SAnirudh Venkataramanan 55630c2561c8SBrett Creeley ice_for_each_q_vector(vsi, q_idx) { 5564eec90376SYoung Xiao struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 5565eec90376SYoung Xiao 5566eec90376SYoung Xiao if (q_vector->rx.ring || q_vector->tx.ring) 5567eec90376SYoung Xiao napi_disable(&q_vector->napi); 5568eec90376SYoung Xiao } 55692b245cb2SAnirudh Venkataramanan } 55702b245cb2SAnirudh Venkataramanan 55712b245cb2SAnirudh Venkataramanan /** 5572cdedef59SAnirudh Venkataramanan * ice_down - Shutdown the connection 5573cdedef59SAnirudh Venkataramanan * @vsi: The VSI being stopped 5574cdedef59SAnirudh Venkataramanan */ 5575fcea6f3dSAnirudh Venkataramanan int ice_down(struct ice_vsi *vsi) 5576cdedef59SAnirudh Venkataramanan { 5577ab4ab73fSBruce Allan int i, tx_err, rx_err, link_err = 0; 5578cdedef59SAnirudh Venkataramanan 5579cdedef59SAnirudh Venkataramanan /* Caller of this function is expected to set the 5580cdedef59SAnirudh Venkataramanan * vsi->state __ICE_DOWN bit 5581cdedef59SAnirudh Venkataramanan */ 5582cdedef59SAnirudh Venkataramanan if (vsi->netdev) { 5583cdedef59SAnirudh Venkataramanan netif_carrier_off(vsi->netdev); 5584cdedef59SAnirudh Venkataramanan netif_tx_disable(vsi->netdev); 5585cdedef59SAnirudh Venkataramanan } 5586cdedef59SAnirudh Venkataramanan 5587cdedef59SAnirudh Venkataramanan ice_vsi_dis_irq(vsi); 558803f7a986SAnirudh Venkataramanan 558903f7a986SAnirudh Venkataramanan tx_err = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 559072adf242SAnirudh Venkataramanan if (tx_err) 559119cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed stop Tx rings, VSI %d error %d\n", 559272adf242SAnirudh Venkataramanan vsi->vsi_num, tx_err); 5593efc2214bSMaciej Fijalkowski if (!tx_err && ice_is_xdp_ena_vsi(vsi)) { 5594efc2214bSMaciej Fijalkowski tx_err = ice_vsi_stop_xdp_tx_rings(vsi); 5595efc2214bSMaciej Fijalkowski if (tx_err) 559619cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed stop XDP rings, VSI %d error %d\n", 5597efc2214bSMaciej Fijalkowski vsi->vsi_num, tx_err); 5598efc2214bSMaciej Fijalkowski } 559972adf242SAnirudh Venkataramanan 560013a6233bSBrett Creeley rx_err = ice_vsi_stop_all_rx_rings(vsi); 560172adf242SAnirudh Venkataramanan if (rx_err) 560219cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed stop Rx rings, VSI %d error %d\n", 560372adf242SAnirudh Venkataramanan vsi->vsi_num, rx_err); 560472adf242SAnirudh Venkataramanan 56052b245cb2SAnirudh Venkataramanan ice_napi_disable_all(vsi); 5606cdedef59SAnirudh Venkataramanan 5607ab4ab73fSBruce Allan if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags)) { 5608b6f934f0SBrett Creeley link_err = ice_force_phys_link_state(vsi, false); 5609b6f934f0SBrett Creeley if (link_err) 561019cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed to set physical link down, VSI %d error %d\n", 5611b6f934f0SBrett Creeley vsi->vsi_num, link_err); 5612ab4ab73fSBruce Allan } 5613b6f934f0SBrett Creeley 5614cdedef59SAnirudh Venkataramanan ice_for_each_txq(vsi, i) 5615cdedef59SAnirudh Venkataramanan ice_clean_tx_ring(vsi->tx_rings[i]); 5616cdedef59SAnirudh Venkataramanan 5617cdedef59SAnirudh Venkataramanan ice_for_each_rxq(vsi, i) 5618cdedef59SAnirudh Venkataramanan ice_clean_rx_ring(vsi->rx_rings[i]); 5619cdedef59SAnirudh Venkataramanan 5620b6f934f0SBrett Creeley if (tx_err || rx_err || link_err) { 562119cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed to close VSI 0x%04X on switch 0x%04X\n", 5622cdedef59SAnirudh Venkataramanan vsi->vsi_num, vsi->vsw->sw_id); 562372adf242SAnirudh Venkataramanan return -EIO; 562472adf242SAnirudh Venkataramanan } 562572adf242SAnirudh Venkataramanan 562672adf242SAnirudh Venkataramanan return 0; 5627cdedef59SAnirudh Venkataramanan } 5628cdedef59SAnirudh Venkataramanan 5629cdedef59SAnirudh Venkataramanan /** 5630cdedef59SAnirudh Venkataramanan * ice_vsi_setup_tx_rings - Allocate VSI Tx queue resources 5631cdedef59SAnirudh Venkataramanan * @vsi: VSI having resources allocated 5632cdedef59SAnirudh Venkataramanan * 5633cdedef59SAnirudh Venkataramanan * Return 0 on success, negative on failure 5634cdedef59SAnirudh Venkataramanan */ 56350e674aebSAnirudh Venkataramanan int ice_vsi_setup_tx_rings(struct ice_vsi *vsi) 5636cdedef59SAnirudh Venkataramanan { 5637dab0588fSJesse Brandeburg int i, err = 0; 5638cdedef59SAnirudh Venkataramanan 5639cdedef59SAnirudh Venkataramanan if (!vsi->num_txq) { 56409a946843SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "VSI %d has 0 Tx queues\n", 5641cdedef59SAnirudh Venkataramanan vsi->vsi_num); 5642cdedef59SAnirudh Venkataramanan return -EINVAL; 5643cdedef59SAnirudh Venkataramanan } 5644cdedef59SAnirudh Venkataramanan 5645cdedef59SAnirudh Venkataramanan ice_for_each_txq(vsi, i) { 5646eb0ee8abSMichal Swiatkowski struct ice_ring *ring = vsi->tx_rings[i]; 5647eb0ee8abSMichal Swiatkowski 5648eb0ee8abSMichal Swiatkowski if (!ring) 5649eb0ee8abSMichal Swiatkowski return -EINVAL; 5650eb0ee8abSMichal Swiatkowski 5651eb0ee8abSMichal Swiatkowski ring->netdev = vsi->netdev; 5652eb0ee8abSMichal Swiatkowski err = ice_setup_tx_ring(ring); 5653cdedef59SAnirudh Venkataramanan if (err) 5654cdedef59SAnirudh Venkataramanan break; 5655cdedef59SAnirudh Venkataramanan } 5656cdedef59SAnirudh Venkataramanan 5657cdedef59SAnirudh Venkataramanan return err; 5658cdedef59SAnirudh Venkataramanan } 5659cdedef59SAnirudh Venkataramanan 5660cdedef59SAnirudh Venkataramanan /** 5661cdedef59SAnirudh Venkataramanan * ice_vsi_setup_rx_rings - Allocate VSI Rx queue resources 5662cdedef59SAnirudh Venkataramanan * @vsi: VSI having resources allocated 5663cdedef59SAnirudh Venkataramanan * 5664cdedef59SAnirudh Venkataramanan * Return 0 on success, negative on failure 5665cdedef59SAnirudh Venkataramanan */ 56660e674aebSAnirudh Venkataramanan int ice_vsi_setup_rx_rings(struct ice_vsi *vsi) 5667cdedef59SAnirudh Venkataramanan { 5668dab0588fSJesse Brandeburg int i, err = 0; 5669cdedef59SAnirudh Venkataramanan 5670cdedef59SAnirudh Venkataramanan if (!vsi->num_rxq) { 56719a946843SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "VSI %d has 0 Rx queues\n", 5672cdedef59SAnirudh Venkataramanan vsi->vsi_num); 5673cdedef59SAnirudh Venkataramanan return -EINVAL; 5674cdedef59SAnirudh Venkataramanan } 5675cdedef59SAnirudh Venkataramanan 5676cdedef59SAnirudh Venkataramanan ice_for_each_rxq(vsi, i) { 5677eb0ee8abSMichal Swiatkowski struct ice_ring *ring = vsi->rx_rings[i]; 5678eb0ee8abSMichal Swiatkowski 5679eb0ee8abSMichal Swiatkowski if (!ring) 5680eb0ee8abSMichal Swiatkowski return -EINVAL; 5681eb0ee8abSMichal Swiatkowski 5682eb0ee8abSMichal Swiatkowski ring->netdev = vsi->netdev; 5683eb0ee8abSMichal Swiatkowski err = ice_setup_rx_ring(ring); 5684cdedef59SAnirudh Venkataramanan if (err) 5685cdedef59SAnirudh Venkataramanan break; 5686cdedef59SAnirudh Venkataramanan } 5687cdedef59SAnirudh Venkataramanan 5688cdedef59SAnirudh Venkataramanan return err; 5689cdedef59SAnirudh Venkataramanan } 5690cdedef59SAnirudh Venkataramanan 5691cdedef59SAnirudh Venkataramanan /** 5692148beb61SHenry Tieman * ice_vsi_open_ctrl - open control VSI for use 5693148beb61SHenry Tieman * @vsi: the VSI to open 5694148beb61SHenry Tieman * 5695148beb61SHenry Tieman * Initialization of the Control VSI 5696148beb61SHenry Tieman * 5697148beb61SHenry Tieman * Returns 0 on success, negative value on error 5698148beb61SHenry Tieman */ 5699148beb61SHenry Tieman int ice_vsi_open_ctrl(struct ice_vsi *vsi) 5700148beb61SHenry Tieman { 5701148beb61SHenry Tieman char int_name[ICE_INT_NAME_STR_LEN]; 5702148beb61SHenry Tieman struct ice_pf *pf = vsi->back; 5703148beb61SHenry Tieman struct device *dev; 5704148beb61SHenry Tieman int err; 5705148beb61SHenry Tieman 5706148beb61SHenry Tieman dev = ice_pf_to_dev(pf); 5707148beb61SHenry Tieman /* allocate descriptors */ 5708148beb61SHenry Tieman err = ice_vsi_setup_tx_rings(vsi); 5709148beb61SHenry Tieman if (err) 5710148beb61SHenry Tieman goto err_setup_tx; 5711148beb61SHenry Tieman 5712148beb61SHenry Tieman err = ice_vsi_setup_rx_rings(vsi); 5713148beb61SHenry Tieman if (err) 5714148beb61SHenry Tieman goto err_setup_rx; 5715148beb61SHenry Tieman 5716148beb61SHenry Tieman err = ice_vsi_cfg(vsi); 5717148beb61SHenry Tieman if (err) 5718148beb61SHenry Tieman goto err_setup_rx; 5719148beb61SHenry Tieman 5720148beb61SHenry Tieman snprintf(int_name, sizeof(int_name) - 1, "%s-%s:ctrl", 5721148beb61SHenry Tieman dev_driver_string(dev), dev_name(dev)); 5722148beb61SHenry Tieman err = ice_vsi_req_irq_msix(vsi, int_name); 5723148beb61SHenry Tieman if (err) 5724148beb61SHenry Tieman goto err_setup_rx; 5725148beb61SHenry Tieman 5726148beb61SHenry Tieman ice_vsi_cfg_msix(vsi); 5727148beb61SHenry Tieman 5728148beb61SHenry Tieman err = ice_vsi_start_all_rx_rings(vsi); 5729148beb61SHenry Tieman if (err) 5730148beb61SHenry Tieman goto err_up_complete; 5731148beb61SHenry Tieman 5732148beb61SHenry Tieman clear_bit(__ICE_DOWN, vsi->state); 5733148beb61SHenry Tieman ice_vsi_ena_irq(vsi); 5734148beb61SHenry Tieman 5735148beb61SHenry Tieman return 0; 5736148beb61SHenry Tieman 5737148beb61SHenry Tieman err_up_complete: 5738148beb61SHenry Tieman ice_down(vsi); 5739148beb61SHenry Tieman err_setup_rx: 5740148beb61SHenry Tieman ice_vsi_free_rx_rings(vsi); 5741148beb61SHenry Tieman err_setup_tx: 5742148beb61SHenry Tieman ice_vsi_free_tx_rings(vsi); 5743148beb61SHenry Tieman 5744148beb61SHenry Tieman return err; 5745148beb61SHenry Tieman } 5746148beb61SHenry Tieman 5747148beb61SHenry Tieman /** 5748cdedef59SAnirudh Venkataramanan * ice_vsi_open - Called when a network interface is made active 5749cdedef59SAnirudh Venkataramanan * @vsi: the VSI to open 5750cdedef59SAnirudh Venkataramanan * 5751cdedef59SAnirudh Venkataramanan * Initialization of the VSI 5752cdedef59SAnirudh Venkataramanan * 5753cdedef59SAnirudh Venkataramanan * Returns 0 on success, negative value on error 5754cdedef59SAnirudh Venkataramanan */ 5755cdedef59SAnirudh Venkataramanan static int ice_vsi_open(struct ice_vsi *vsi) 5756cdedef59SAnirudh Venkataramanan { 5757cdedef59SAnirudh Venkataramanan char int_name[ICE_INT_NAME_STR_LEN]; 5758cdedef59SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 5759cdedef59SAnirudh Venkataramanan int err; 5760cdedef59SAnirudh Venkataramanan 5761cdedef59SAnirudh Venkataramanan /* allocate descriptors */ 5762cdedef59SAnirudh Venkataramanan err = ice_vsi_setup_tx_rings(vsi); 5763cdedef59SAnirudh Venkataramanan if (err) 5764cdedef59SAnirudh Venkataramanan goto err_setup_tx; 5765cdedef59SAnirudh Venkataramanan 5766cdedef59SAnirudh Venkataramanan err = ice_vsi_setup_rx_rings(vsi); 5767cdedef59SAnirudh Venkataramanan if (err) 5768cdedef59SAnirudh Venkataramanan goto err_setup_rx; 5769cdedef59SAnirudh Venkataramanan 5770cdedef59SAnirudh Venkataramanan err = ice_vsi_cfg(vsi); 5771cdedef59SAnirudh Venkataramanan if (err) 5772cdedef59SAnirudh Venkataramanan goto err_setup_rx; 5773cdedef59SAnirudh Venkataramanan 5774cdedef59SAnirudh Venkataramanan snprintf(int_name, sizeof(int_name) - 1, "%s-%s", 57754015d11eSBrett Creeley dev_driver_string(ice_pf_to_dev(pf)), vsi->netdev->name); 5776ba880734SBrett Creeley err = ice_vsi_req_irq_msix(vsi, int_name); 5777cdedef59SAnirudh Venkataramanan if (err) 5778cdedef59SAnirudh Venkataramanan goto err_setup_rx; 5779cdedef59SAnirudh Venkataramanan 5780cdedef59SAnirudh Venkataramanan /* Notify the stack of the actual queue counts. */ 5781cdedef59SAnirudh Venkataramanan err = netif_set_real_num_tx_queues(vsi->netdev, vsi->num_txq); 5782cdedef59SAnirudh Venkataramanan if (err) 5783cdedef59SAnirudh Venkataramanan goto err_set_qs; 5784cdedef59SAnirudh Venkataramanan 5785cdedef59SAnirudh Venkataramanan err = netif_set_real_num_rx_queues(vsi->netdev, vsi->num_rxq); 5786cdedef59SAnirudh Venkataramanan if (err) 5787cdedef59SAnirudh Venkataramanan goto err_set_qs; 5788cdedef59SAnirudh Venkataramanan 5789cdedef59SAnirudh Venkataramanan err = ice_up_complete(vsi); 5790cdedef59SAnirudh Venkataramanan if (err) 5791cdedef59SAnirudh Venkataramanan goto err_up_complete; 5792cdedef59SAnirudh Venkataramanan 5793cdedef59SAnirudh Venkataramanan return 0; 5794cdedef59SAnirudh Venkataramanan 5795cdedef59SAnirudh Venkataramanan err_up_complete: 5796cdedef59SAnirudh Venkataramanan ice_down(vsi); 5797cdedef59SAnirudh Venkataramanan err_set_qs: 5798cdedef59SAnirudh Venkataramanan ice_vsi_free_irq(vsi); 5799cdedef59SAnirudh Venkataramanan err_setup_rx: 5800cdedef59SAnirudh Venkataramanan ice_vsi_free_rx_rings(vsi); 5801cdedef59SAnirudh Venkataramanan err_setup_tx: 5802cdedef59SAnirudh Venkataramanan ice_vsi_free_tx_rings(vsi); 5803cdedef59SAnirudh Venkataramanan 5804cdedef59SAnirudh Venkataramanan return err; 5805cdedef59SAnirudh Venkataramanan } 5806cdedef59SAnirudh Venkataramanan 5807cdedef59SAnirudh Venkataramanan /** 58080f9d5027SAnirudh Venkataramanan * ice_vsi_release_all - Delete all VSIs 58090f9d5027SAnirudh Venkataramanan * @pf: PF from which all VSIs are being removed 58100f9d5027SAnirudh Venkataramanan */ 58110f9d5027SAnirudh Venkataramanan static void ice_vsi_release_all(struct ice_pf *pf) 58120f9d5027SAnirudh Venkataramanan { 58130f9d5027SAnirudh Venkataramanan int err, i; 58140f9d5027SAnirudh Venkataramanan 58150f9d5027SAnirudh Venkataramanan if (!pf->vsi) 58160f9d5027SAnirudh Venkataramanan return; 58170f9d5027SAnirudh Venkataramanan 581880ed404aSBrett Creeley ice_for_each_vsi(pf, i) { 58190f9d5027SAnirudh Venkataramanan if (!pf->vsi[i]) 58200f9d5027SAnirudh Venkataramanan continue; 58210f9d5027SAnirudh Venkataramanan 58220f9d5027SAnirudh Venkataramanan err = ice_vsi_release(pf->vsi[i]); 58230f9d5027SAnirudh Venkataramanan if (err) 582419cce2c6SAnirudh Venkataramanan dev_dbg(ice_pf_to_dev(pf), "Failed to release pf->vsi[%d], err %d, vsi_num = %d\n", 58250f9d5027SAnirudh Venkataramanan i, err, pf->vsi[i]->vsi_num); 58260f9d5027SAnirudh Venkataramanan } 58270f9d5027SAnirudh Venkataramanan } 58280f9d5027SAnirudh Venkataramanan 58290f9d5027SAnirudh Venkataramanan /** 5830462acf6aSTony Nguyen * ice_vsi_rebuild_by_type - Rebuild VSI of a given type 5831462acf6aSTony Nguyen * @pf: pointer to the PF instance 5832462acf6aSTony Nguyen * @type: VSI type to rebuild 5833462acf6aSTony Nguyen * 5834462acf6aSTony Nguyen * Iterates through the pf->vsi array and rebuilds VSIs of the requested type 58350f9d5027SAnirudh Venkataramanan */ 5836462acf6aSTony Nguyen static int ice_vsi_rebuild_by_type(struct ice_pf *pf, enum ice_vsi_type type) 58370f9d5027SAnirudh Venkataramanan { 58384015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 5839462acf6aSTony Nguyen enum ice_status status; 5840462acf6aSTony Nguyen int i, err; 58410f9d5027SAnirudh Venkataramanan 584280ed404aSBrett Creeley ice_for_each_vsi(pf, i) { 58434425e053SKrzysztof Kazimierczak struct ice_vsi *vsi = pf->vsi[i]; 58440f9d5027SAnirudh Venkataramanan 5845462acf6aSTony Nguyen if (!vsi || vsi->type != type) 58460f9d5027SAnirudh Venkataramanan continue; 58470f9d5027SAnirudh Venkataramanan 5848462acf6aSTony Nguyen /* rebuild the VSI */ 584987324e74SHenry Tieman err = ice_vsi_rebuild(vsi, true); 58500f9d5027SAnirudh Venkataramanan if (err) { 585119cce2c6SAnirudh Venkataramanan dev_err(dev, "rebuild VSI failed, err %d, VSI index %d, type %s\n", 5852964674f1SAnirudh Venkataramanan err, vsi->idx, ice_vsi_type_str(type)); 58530f9d5027SAnirudh Venkataramanan return err; 58540f9d5027SAnirudh Venkataramanan } 58550f9d5027SAnirudh Venkataramanan 5856462acf6aSTony Nguyen /* replay filters for the VSI */ 5857462acf6aSTony Nguyen status = ice_replay_vsi(&pf->hw, vsi->idx); 5858462acf6aSTony Nguyen if (status) { 58590fee3577SLihong Yang dev_err(dev, "replay VSI failed, status %s, VSI index %d, type %s\n", 58600fee3577SLihong Yang ice_stat_str(status), vsi->idx, 58610fee3577SLihong Yang ice_vsi_type_str(type)); 5862334cb062SAnirudh Venkataramanan return -EIO; 5863334cb062SAnirudh Venkataramanan } 5864334cb062SAnirudh Venkataramanan 5865334cb062SAnirudh Venkataramanan /* Re-map HW VSI number, using VSI handle that has been 5866334cb062SAnirudh Venkataramanan * previously validated in ice_replay_vsi() call above 5867334cb062SAnirudh Venkataramanan */ 5868462acf6aSTony Nguyen vsi->vsi_num = ice_get_hw_vsi_num(&pf->hw, vsi->idx); 5869334cb062SAnirudh Venkataramanan 5870462acf6aSTony Nguyen /* enable the VSI */ 5871462acf6aSTony Nguyen err = ice_ena_vsi(vsi, false); 5872462acf6aSTony Nguyen if (err) { 587319cce2c6SAnirudh Venkataramanan dev_err(dev, "enable VSI failed, err %d, VSI index %d, type %s\n", 5874964674f1SAnirudh Venkataramanan err, vsi->idx, ice_vsi_type_str(type)); 5875462acf6aSTony Nguyen return err; 5876334cb062SAnirudh Venkataramanan } 5877334cb062SAnirudh Venkataramanan 58784015d11eSBrett Creeley dev_info(dev, "VSI rebuilt. VSI index %d, type %s\n", vsi->idx, 58794015d11eSBrett Creeley ice_vsi_type_str(type)); 5880462acf6aSTony Nguyen } 5881462acf6aSTony Nguyen 5882334cb062SAnirudh Venkataramanan return 0; 5883334cb062SAnirudh Venkataramanan } 5884334cb062SAnirudh Venkataramanan 5885334cb062SAnirudh Venkataramanan /** 5886462acf6aSTony Nguyen * ice_update_pf_netdev_link - Update PF netdev link status 5887462acf6aSTony Nguyen * @pf: pointer to the PF instance 5888462acf6aSTony Nguyen */ 5889462acf6aSTony Nguyen static void ice_update_pf_netdev_link(struct ice_pf *pf) 5890462acf6aSTony Nguyen { 5891462acf6aSTony Nguyen bool link_up; 5892462acf6aSTony Nguyen int i; 5893462acf6aSTony Nguyen 5894462acf6aSTony Nguyen ice_for_each_vsi(pf, i) { 5895462acf6aSTony Nguyen struct ice_vsi *vsi = pf->vsi[i]; 5896462acf6aSTony Nguyen 5897462acf6aSTony Nguyen if (!vsi || vsi->type != ICE_VSI_PF) 5898462acf6aSTony Nguyen return; 5899462acf6aSTony Nguyen 5900462acf6aSTony Nguyen ice_get_link_status(pf->vsi[i]->port_info, &link_up); 5901462acf6aSTony Nguyen if (link_up) { 5902462acf6aSTony Nguyen netif_carrier_on(pf->vsi[i]->netdev); 5903462acf6aSTony Nguyen netif_tx_wake_all_queues(pf->vsi[i]->netdev); 5904462acf6aSTony Nguyen } else { 5905462acf6aSTony Nguyen netif_carrier_off(pf->vsi[i]->netdev); 5906462acf6aSTony Nguyen netif_tx_stop_all_queues(pf->vsi[i]->netdev); 5907462acf6aSTony Nguyen } 5908462acf6aSTony Nguyen } 5909462acf6aSTony Nguyen } 5910462acf6aSTony Nguyen 5911462acf6aSTony Nguyen /** 59120b28b702SAnirudh Venkataramanan * ice_rebuild - rebuild after reset 59132f2da36eSAnirudh Venkataramanan * @pf: PF to rebuild 5914462acf6aSTony Nguyen * @reset_type: type of reset 591512bb018cSBrett Creeley * 591612bb018cSBrett Creeley * Do not rebuild VF VSI in this flow because that is already handled via 591712bb018cSBrett Creeley * ice_reset_all_vfs(). This is because requirements for resetting a VF after a 591812bb018cSBrett Creeley * PFR/CORER/GLOBER/etc. are different than the normal flow. Also, we don't want 591912bb018cSBrett Creeley * to reset/rebuild all the VF VSI twice. 59200b28b702SAnirudh Venkataramanan */ 5921462acf6aSTony Nguyen static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type) 59220b28b702SAnirudh Venkataramanan { 59234015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 59240b28b702SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 59250b28b702SAnirudh Venkataramanan enum ice_status ret; 5926462acf6aSTony Nguyen int err; 59270b28b702SAnirudh Venkataramanan 59280b28b702SAnirudh Venkataramanan if (test_bit(__ICE_DOWN, pf->state)) 59290b28b702SAnirudh Venkataramanan goto clear_recovery; 59300b28b702SAnirudh Venkataramanan 5931462acf6aSTony Nguyen dev_dbg(dev, "rebuilding PF after reset_type=%d\n", reset_type); 59320b28b702SAnirudh Venkataramanan 59330b28b702SAnirudh Venkataramanan ret = ice_init_all_ctrlq(hw); 59340b28b702SAnirudh Venkataramanan if (ret) { 59350fee3577SLihong Yang dev_err(dev, "control queues init failed %s\n", 59360fee3577SLihong Yang ice_stat_str(ret)); 59370f9d5027SAnirudh Venkataramanan goto err_init_ctrlq; 59380b28b702SAnirudh Venkataramanan } 59390b28b702SAnirudh Venkataramanan 5940462acf6aSTony Nguyen /* if DDP was previously loaded successfully */ 5941462acf6aSTony Nguyen if (!ice_is_safe_mode(pf)) { 5942462acf6aSTony Nguyen /* reload the SW DB of filter tables */ 5943462acf6aSTony Nguyen if (reset_type == ICE_RESET_PFR) 5944462acf6aSTony Nguyen ice_fill_blk_tbls(hw); 5945462acf6aSTony Nguyen else 5946462acf6aSTony Nguyen /* Reload DDP Package after CORER/GLOBR reset */ 5947462acf6aSTony Nguyen ice_load_pkg(NULL, pf); 5948462acf6aSTony Nguyen } 5949462acf6aSTony Nguyen 59500b28b702SAnirudh Venkataramanan ret = ice_clear_pf_cfg(hw); 59510b28b702SAnirudh Venkataramanan if (ret) { 59520fee3577SLihong Yang dev_err(dev, "clear PF configuration failed %s\n", 59530fee3577SLihong Yang ice_stat_str(ret)); 59540f9d5027SAnirudh Venkataramanan goto err_init_ctrlq; 59550b28b702SAnirudh Venkataramanan } 59560b28b702SAnirudh Venkataramanan 5957fc0f39bcSBrett Creeley if (pf->first_sw->dflt_vsi_ena) 595819cce2c6SAnirudh Venkataramanan dev_info(dev, "Clearing default VSI, re-enable after reset completes\n"); 5959fc0f39bcSBrett Creeley /* clear the default VSI configuration if it exists */ 5960fc0f39bcSBrett Creeley pf->first_sw->dflt_vsi = NULL; 5961fc0f39bcSBrett Creeley pf->first_sw->dflt_vsi_ena = false; 5962fc0f39bcSBrett Creeley 59630b28b702SAnirudh Venkataramanan ice_clear_pxe_mode(hw); 59640b28b702SAnirudh Venkataramanan 59650b28b702SAnirudh Venkataramanan ret = ice_get_caps(hw); 59660b28b702SAnirudh Venkataramanan if (ret) { 59670fee3577SLihong Yang dev_err(dev, "ice_get_caps failed %s\n", ice_stat_str(ret)); 59680f9d5027SAnirudh Venkataramanan goto err_init_ctrlq; 59690b28b702SAnirudh Venkataramanan } 59700b28b702SAnirudh Venkataramanan 597142449105SAnirudh Venkataramanan ret = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL); 597242449105SAnirudh Venkataramanan if (ret) { 597342449105SAnirudh Venkataramanan dev_err(dev, "set_mac_cfg failed %s\n", ice_stat_str(ret)); 597442449105SAnirudh Venkataramanan goto err_init_ctrlq; 597542449105SAnirudh Venkataramanan } 597642449105SAnirudh Venkataramanan 59770f9d5027SAnirudh Venkataramanan err = ice_sched_init_port(hw->port_info); 59780f9d5027SAnirudh Venkataramanan if (err) 59790f9d5027SAnirudh Venkataramanan goto err_sched_init_port; 59800f9d5027SAnirudh Venkataramanan 59810b28b702SAnirudh Venkataramanan /* start misc vector */ 59820b28b702SAnirudh Venkataramanan err = ice_req_irq_msix_misc(pf); 59830b28b702SAnirudh Venkataramanan if (err) { 59840b28b702SAnirudh Venkataramanan dev_err(dev, "misc vector setup failed: %d\n", err); 5985462acf6aSTony Nguyen goto err_sched_init_port; 59860b28b702SAnirudh Venkataramanan } 59870b28b702SAnirudh Venkataramanan 598883af0039SHenry Tieman if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) { 598983af0039SHenry Tieman wr32(hw, PFQF_FD_ENA, PFQF_FD_ENA_FD_ENA_M); 599083af0039SHenry Tieman if (!rd32(hw, PFQF_FD_SIZE)) { 599183af0039SHenry Tieman u16 unused, guar, b_effort; 599283af0039SHenry Tieman 599383af0039SHenry Tieman guar = hw->func_caps.fd_fltr_guar; 599483af0039SHenry Tieman b_effort = hw->func_caps.fd_fltr_best_effort; 599583af0039SHenry Tieman 599683af0039SHenry Tieman /* force guaranteed filter pool for PF */ 599783af0039SHenry Tieman ice_alloc_fd_guar_item(hw, &unused, guar); 599883af0039SHenry Tieman /* force shared filter pool for PF */ 599983af0039SHenry Tieman ice_alloc_fd_shrd_item(hw, &unused, b_effort); 600083af0039SHenry Tieman } 600183af0039SHenry Tieman } 600283af0039SHenry Tieman 6003462acf6aSTony Nguyen if (test_bit(ICE_FLAG_DCB_ENA, pf->flags)) 6004462acf6aSTony Nguyen ice_dcb_rebuild(pf); 6005462acf6aSTony Nguyen 6006462acf6aSTony Nguyen /* rebuild PF VSI */ 6007462acf6aSTony Nguyen err = ice_vsi_rebuild_by_type(pf, ICE_VSI_PF); 60080f9d5027SAnirudh Venkataramanan if (err) { 6009462acf6aSTony Nguyen dev_err(dev, "PF VSI rebuild failed: %d\n", err); 60100f9d5027SAnirudh Venkataramanan goto err_vsi_rebuild; 60110f9d5027SAnirudh Venkataramanan } 60120b28b702SAnirudh Venkataramanan 601383af0039SHenry Tieman /* If Flow Director is active */ 601483af0039SHenry Tieman if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) { 601583af0039SHenry Tieman err = ice_vsi_rebuild_by_type(pf, ICE_VSI_CTRL); 601683af0039SHenry Tieman if (err) { 601783af0039SHenry Tieman dev_err(dev, "control VSI rebuild failed: %d\n", err); 601883af0039SHenry Tieman goto err_vsi_rebuild; 601983af0039SHenry Tieman } 602083af0039SHenry Tieman 602183af0039SHenry Tieman /* replay HW Flow Director recipes */ 602283af0039SHenry Tieman if (hw->fdir_prof) 602383af0039SHenry Tieman ice_fdir_replay_flows(hw); 602483af0039SHenry Tieman 602583af0039SHenry Tieman /* replay Flow Director filters */ 602683af0039SHenry Tieman ice_fdir_replay_fltrs(pf); 602728bf2672SBrett Creeley 602828bf2672SBrett Creeley ice_rebuild_arfs(pf); 602983af0039SHenry Tieman } 603083af0039SHenry Tieman 6031462acf6aSTony Nguyen ice_update_pf_netdev_link(pf); 6032462acf6aSTony Nguyen 6033462acf6aSTony Nguyen /* tell the firmware we are up */ 6034462acf6aSTony Nguyen ret = ice_send_version(pf); 6035462acf6aSTony Nguyen if (ret) { 60360fee3577SLihong Yang dev_err(dev, "Rebuild failed due to error sending driver version: %s\n", 60370fee3577SLihong Yang ice_stat_str(ret)); 6038462acf6aSTony Nguyen goto err_vsi_rebuild; 6039ce317dd9SAnirudh Venkataramanan } 6040462acf6aSTony Nguyen 6041462acf6aSTony Nguyen ice_replay_post(hw); 6042ce317dd9SAnirudh Venkataramanan 60430f9d5027SAnirudh Venkataramanan /* if we get here, reset flow is successful */ 60440f9d5027SAnirudh Venkataramanan clear_bit(__ICE_RESET_FAILED, pf->state); 60450b28b702SAnirudh Venkataramanan return; 60460b28b702SAnirudh Venkataramanan 60470f9d5027SAnirudh Venkataramanan err_vsi_rebuild: 60480f9d5027SAnirudh Venkataramanan err_sched_init_port: 60490f9d5027SAnirudh Venkataramanan ice_sched_cleanup_all(hw); 60500f9d5027SAnirudh Venkataramanan err_init_ctrlq: 60510b28b702SAnirudh Venkataramanan ice_shutdown_all_ctrlq(hw); 60520b28b702SAnirudh Venkataramanan set_bit(__ICE_RESET_FAILED, pf->state); 60530b28b702SAnirudh Venkataramanan clear_recovery: 60540f9d5027SAnirudh Venkataramanan /* set this bit in PF state to control service task scheduling */ 60550f9d5027SAnirudh Venkataramanan set_bit(__ICE_NEEDS_RESTART, pf->state); 60560f9d5027SAnirudh Venkataramanan dev_err(dev, "Rebuild failed, unload and reload driver\n"); 60570b28b702SAnirudh Venkataramanan } 60580b28b702SAnirudh Venkataramanan 60590b28b702SAnirudh Venkataramanan /** 606023b44513SMaciej Fijalkowski * ice_max_xdp_frame_size - returns the maximum allowed frame size for XDP 606123b44513SMaciej Fijalkowski * @vsi: Pointer to VSI structure 606223b44513SMaciej Fijalkowski */ 606323b44513SMaciej Fijalkowski static int ice_max_xdp_frame_size(struct ice_vsi *vsi) 606423b44513SMaciej Fijalkowski { 606523b44513SMaciej Fijalkowski if (PAGE_SIZE >= 8192 || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags)) 606623b44513SMaciej Fijalkowski return ICE_RXBUF_2048 - XDP_PACKET_HEADROOM; 606723b44513SMaciej Fijalkowski else 606823b44513SMaciej Fijalkowski return ICE_RXBUF_3072; 606923b44513SMaciej Fijalkowski } 607023b44513SMaciej Fijalkowski 607123b44513SMaciej Fijalkowski /** 6072e94d4478SAnirudh Venkataramanan * ice_change_mtu - NDO callback to change the MTU 6073e94d4478SAnirudh Venkataramanan * @netdev: network interface device structure 6074e94d4478SAnirudh Venkataramanan * @new_mtu: new value for maximum frame size 6075e94d4478SAnirudh Venkataramanan * 6076e94d4478SAnirudh Venkataramanan * Returns 0 on success, negative on failure 6077e94d4478SAnirudh Venkataramanan */ 6078e94d4478SAnirudh Venkataramanan static int ice_change_mtu(struct net_device *netdev, int new_mtu) 6079e94d4478SAnirudh Venkataramanan { 6080e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 6081e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 6082e94d4478SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 6083e94d4478SAnirudh Venkataramanan u8 count = 0; 6084e94d4478SAnirudh Venkataramanan 608522bef5e7SJesse Brandeburg if (new_mtu == (int)netdev->mtu) { 60862f2da36eSAnirudh Venkataramanan netdev_warn(netdev, "MTU is already %u\n", netdev->mtu); 6087e94d4478SAnirudh Venkataramanan return 0; 6088e94d4478SAnirudh Venkataramanan } 6089e94d4478SAnirudh Venkataramanan 6090efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) { 609123b44513SMaciej Fijalkowski int frame_size = ice_max_xdp_frame_size(vsi); 6092efc2214bSMaciej Fijalkowski 6093efc2214bSMaciej Fijalkowski if (new_mtu + ICE_ETH_PKT_HDR_PAD > frame_size) { 6094efc2214bSMaciej Fijalkowski netdev_err(netdev, "max MTU for XDP usage is %d\n", 609523b44513SMaciej Fijalkowski frame_size - ICE_ETH_PKT_HDR_PAD); 6096efc2214bSMaciej Fijalkowski return -EINVAL; 6097efc2214bSMaciej Fijalkowski } 6098efc2214bSMaciej Fijalkowski } 6099efc2214bSMaciej Fijalkowski 610022bef5e7SJesse Brandeburg if (new_mtu < (int)netdev->min_mtu) { 61012f2da36eSAnirudh Venkataramanan netdev_err(netdev, "new MTU invalid. min_mtu is %d\n", 6102e94d4478SAnirudh Venkataramanan netdev->min_mtu); 6103e94d4478SAnirudh Venkataramanan return -EINVAL; 610422bef5e7SJesse Brandeburg } else if (new_mtu > (int)netdev->max_mtu) { 61052f2da36eSAnirudh Venkataramanan netdev_err(netdev, "new MTU invalid. max_mtu is %d\n", 6106e94d4478SAnirudh Venkataramanan netdev->min_mtu); 6107e94d4478SAnirudh Venkataramanan return -EINVAL; 6108e94d4478SAnirudh Venkataramanan } 6109e94d4478SAnirudh Venkataramanan /* if a reset is in progress, wait for some time for it to complete */ 6110e94d4478SAnirudh Venkataramanan do { 61115df7e45dSDave Ertman if (ice_is_reset_in_progress(pf->state)) { 6112e94d4478SAnirudh Venkataramanan count++; 6113e94d4478SAnirudh Venkataramanan usleep_range(1000, 2000); 6114e94d4478SAnirudh Venkataramanan } else { 6115e94d4478SAnirudh Venkataramanan break; 6116e94d4478SAnirudh Venkataramanan } 6117e94d4478SAnirudh Venkataramanan 6118e94d4478SAnirudh Venkataramanan } while (count < 100); 6119e94d4478SAnirudh Venkataramanan 6120e94d4478SAnirudh Venkataramanan if (count == 100) { 61212f2da36eSAnirudh Venkataramanan netdev_err(netdev, "can't change MTU. Device is busy\n"); 6122e94d4478SAnirudh Venkataramanan return -EBUSY; 6123e94d4478SAnirudh Venkataramanan } 6124e94d4478SAnirudh Venkataramanan 612522bef5e7SJesse Brandeburg netdev->mtu = (unsigned int)new_mtu; 6126e94d4478SAnirudh Venkataramanan 6127e94d4478SAnirudh Venkataramanan /* if VSI is up, bring it down and then back up */ 6128e94d4478SAnirudh Venkataramanan if (!test_and_set_bit(__ICE_DOWN, vsi->state)) { 6129e94d4478SAnirudh Venkataramanan int err; 6130e94d4478SAnirudh Venkataramanan 6131e94d4478SAnirudh Venkataramanan err = ice_down(vsi); 6132e94d4478SAnirudh Venkataramanan if (err) { 61332f2da36eSAnirudh Venkataramanan netdev_err(netdev, "change MTU if_up err %d\n", err); 6134e94d4478SAnirudh Venkataramanan return err; 6135e94d4478SAnirudh Venkataramanan } 6136e94d4478SAnirudh Venkataramanan 6137e94d4478SAnirudh Venkataramanan err = ice_up(vsi); 6138e94d4478SAnirudh Venkataramanan if (err) { 61392f2da36eSAnirudh Venkataramanan netdev_err(netdev, "change MTU if_up err %d\n", err); 6140e94d4478SAnirudh Venkataramanan return err; 6141e94d4478SAnirudh Venkataramanan } 6142e94d4478SAnirudh Venkataramanan } 6143e94d4478SAnirudh Venkataramanan 6144bda5b7dbSTony Nguyen netdev_dbg(netdev, "changed MTU to %d\n", new_mtu); 6145e94d4478SAnirudh Venkataramanan return 0; 6146e94d4478SAnirudh Venkataramanan } 6147e94d4478SAnirudh Venkataramanan 6148e94d4478SAnirudh Venkataramanan /** 61490fee3577SLihong Yang * ice_aq_str - convert AQ err code to a string 61500fee3577SLihong Yang * @aq_err: the AQ error code to convert 61510fee3577SLihong Yang */ 61520fee3577SLihong Yang const char *ice_aq_str(enum ice_aq_err aq_err) 61530fee3577SLihong Yang { 61540fee3577SLihong Yang switch (aq_err) { 61550fee3577SLihong Yang case ICE_AQ_RC_OK: 61560fee3577SLihong Yang return "OK"; 61570fee3577SLihong Yang case ICE_AQ_RC_EPERM: 61580fee3577SLihong Yang return "ICE_AQ_RC_EPERM"; 61590fee3577SLihong Yang case ICE_AQ_RC_ENOENT: 61600fee3577SLihong Yang return "ICE_AQ_RC_ENOENT"; 61610fee3577SLihong Yang case ICE_AQ_RC_ENOMEM: 61620fee3577SLihong Yang return "ICE_AQ_RC_ENOMEM"; 61630fee3577SLihong Yang case ICE_AQ_RC_EBUSY: 61640fee3577SLihong Yang return "ICE_AQ_RC_EBUSY"; 61650fee3577SLihong Yang case ICE_AQ_RC_EEXIST: 61660fee3577SLihong Yang return "ICE_AQ_RC_EEXIST"; 61670fee3577SLihong Yang case ICE_AQ_RC_EINVAL: 61680fee3577SLihong Yang return "ICE_AQ_RC_EINVAL"; 61690fee3577SLihong Yang case ICE_AQ_RC_ENOSPC: 61700fee3577SLihong Yang return "ICE_AQ_RC_ENOSPC"; 61710fee3577SLihong Yang case ICE_AQ_RC_ENOSYS: 61720fee3577SLihong Yang return "ICE_AQ_RC_ENOSYS"; 6173b5e19a64SChinh T Cao case ICE_AQ_RC_EMODE: 6174b5e19a64SChinh T Cao return "ICE_AQ_RC_EMODE"; 61750fee3577SLihong Yang case ICE_AQ_RC_ENOSEC: 61760fee3577SLihong Yang return "ICE_AQ_RC_ENOSEC"; 61770fee3577SLihong Yang case ICE_AQ_RC_EBADSIG: 61780fee3577SLihong Yang return "ICE_AQ_RC_EBADSIG"; 61790fee3577SLihong Yang case ICE_AQ_RC_ESVN: 61800fee3577SLihong Yang return "ICE_AQ_RC_ESVN"; 61810fee3577SLihong Yang case ICE_AQ_RC_EBADMAN: 61820fee3577SLihong Yang return "ICE_AQ_RC_EBADMAN"; 61830fee3577SLihong Yang case ICE_AQ_RC_EBADBUF: 61840fee3577SLihong Yang return "ICE_AQ_RC_EBADBUF"; 61850fee3577SLihong Yang } 61860fee3577SLihong Yang 61870fee3577SLihong Yang return "ICE_AQ_RC_UNKNOWN"; 61880fee3577SLihong Yang } 61890fee3577SLihong Yang 61900fee3577SLihong Yang /** 61910fee3577SLihong Yang * ice_stat_str - convert status err code to a string 61920fee3577SLihong Yang * @stat_err: the status error code to convert 61930fee3577SLihong Yang */ 61940fee3577SLihong Yang const char *ice_stat_str(enum ice_status stat_err) 61950fee3577SLihong Yang { 61960fee3577SLihong Yang switch (stat_err) { 61970fee3577SLihong Yang case ICE_SUCCESS: 61980fee3577SLihong Yang return "OK"; 61990fee3577SLihong Yang case ICE_ERR_PARAM: 62000fee3577SLihong Yang return "ICE_ERR_PARAM"; 62010fee3577SLihong Yang case ICE_ERR_NOT_IMPL: 62020fee3577SLihong Yang return "ICE_ERR_NOT_IMPL"; 62030fee3577SLihong Yang case ICE_ERR_NOT_READY: 62040fee3577SLihong Yang return "ICE_ERR_NOT_READY"; 62050fee3577SLihong Yang case ICE_ERR_NOT_SUPPORTED: 62060fee3577SLihong Yang return "ICE_ERR_NOT_SUPPORTED"; 62070fee3577SLihong Yang case ICE_ERR_BAD_PTR: 62080fee3577SLihong Yang return "ICE_ERR_BAD_PTR"; 62090fee3577SLihong Yang case ICE_ERR_INVAL_SIZE: 62100fee3577SLihong Yang return "ICE_ERR_INVAL_SIZE"; 62110fee3577SLihong Yang case ICE_ERR_DEVICE_NOT_SUPPORTED: 62120fee3577SLihong Yang return "ICE_ERR_DEVICE_NOT_SUPPORTED"; 62130fee3577SLihong Yang case ICE_ERR_RESET_FAILED: 62140fee3577SLihong Yang return "ICE_ERR_RESET_FAILED"; 62150fee3577SLihong Yang case ICE_ERR_FW_API_VER: 62160fee3577SLihong Yang return "ICE_ERR_FW_API_VER"; 62170fee3577SLihong Yang case ICE_ERR_NO_MEMORY: 62180fee3577SLihong Yang return "ICE_ERR_NO_MEMORY"; 62190fee3577SLihong Yang case ICE_ERR_CFG: 62200fee3577SLihong Yang return "ICE_ERR_CFG"; 62210fee3577SLihong Yang case ICE_ERR_OUT_OF_RANGE: 62220fee3577SLihong Yang return "ICE_ERR_OUT_OF_RANGE"; 62230fee3577SLihong Yang case ICE_ERR_ALREADY_EXISTS: 62240fee3577SLihong Yang return "ICE_ERR_ALREADY_EXISTS"; 62250fee3577SLihong Yang case ICE_ERR_NVM_CHECKSUM: 62260fee3577SLihong Yang return "ICE_ERR_NVM_CHECKSUM"; 62270fee3577SLihong Yang case ICE_ERR_BUF_TOO_SHORT: 62280fee3577SLihong Yang return "ICE_ERR_BUF_TOO_SHORT"; 62290fee3577SLihong Yang case ICE_ERR_NVM_BLANK_MODE: 62300fee3577SLihong Yang return "ICE_ERR_NVM_BLANK_MODE"; 62310fee3577SLihong Yang case ICE_ERR_IN_USE: 62320fee3577SLihong Yang return "ICE_ERR_IN_USE"; 62330fee3577SLihong Yang case ICE_ERR_MAX_LIMIT: 62340fee3577SLihong Yang return "ICE_ERR_MAX_LIMIT"; 62350fee3577SLihong Yang case ICE_ERR_RESET_ONGOING: 62360fee3577SLihong Yang return "ICE_ERR_RESET_ONGOING"; 62370fee3577SLihong Yang case ICE_ERR_HW_TABLE: 62380fee3577SLihong Yang return "ICE_ERR_HW_TABLE"; 62390fee3577SLihong Yang case ICE_ERR_DOES_NOT_EXIST: 62400fee3577SLihong Yang return "ICE_ERR_DOES_NOT_EXIST"; 6241b8272919SVictor Raj case ICE_ERR_FW_DDP_MISMATCH: 6242b8272919SVictor Raj return "ICE_ERR_FW_DDP_MISMATCH"; 62430fee3577SLihong Yang case ICE_ERR_AQ_ERROR: 62440fee3577SLihong Yang return "ICE_ERR_AQ_ERROR"; 62450fee3577SLihong Yang case ICE_ERR_AQ_TIMEOUT: 62460fee3577SLihong Yang return "ICE_ERR_AQ_TIMEOUT"; 62470fee3577SLihong Yang case ICE_ERR_AQ_FULL: 62480fee3577SLihong Yang return "ICE_ERR_AQ_FULL"; 62490fee3577SLihong Yang case ICE_ERR_AQ_NO_WORK: 62500fee3577SLihong Yang return "ICE_ERR_AQ_NO_WORK"; 62510fee3577SLihong Yang case ICE_ERR_AQ_EMPTY: 62520fee3577SLihong Yang return "ICE_ERR_AQ_EMPTY"; 6253b5c7f857SEvan Swanson case ICE_ERR_AQ_FW_CRITICAL: 6254b5c7f857SEvan Swanson return "ICE_ERR_AQ_FW_CRITICAL"; 62550fee3577SLihong Yang } 62560fee3577SLihong Yang 62570fee3577SLihong Yang return "ICE_ERR_UNKNOWN"; 62580fee3577SLihong Yang } 62590fee3577SLihong Yang 62600fee3577SLihong Yang /** 6261d76a60baSAnirudh Venkataramanan * ice_set_rss - Set RSS keys and lut 6262d76a60baSAnirudh Venkataramanan * @vsi: Pointer to VSI structure 6263d76a60baSAnirudh Venkataramanan * @seed: RSS hash seed 6264d76a60baSAnirudh Venkataramanan * @lut: Lookup table 6265d76a60baSAnirudh Venkataramanan * @lut_size: Lookup table size 6266d76a60baSAnirudh Venkataramanan * 6267d76a60baSAnirudh Venkataramanan * Returns 0 on success, negative on failure 6268d76a60baSAnirudh Venkataramanan */ 6269d76a60baSAnirudh Venkataramanan int ice_set_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size) 6270d76a60baSAnirudh Venkataramanan { 6271d76a60baSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 6272d76a60baSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 6273d76a60baSAnirudh Venkataramanan enum ice_status status; 62744015d11eSBrett Creeley struct device *dev; 6275d76a60baSAnirudh Venkataramanan 62764015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 6277d76a60baSAnirudh Venkataramanan if (seed) { 6278d76a60baSAnirudh Venkataramanan struct ice_aqc_get_set_rss_keys *buf = 6279d76a60baSAnirudh Venkataramanan (struct ice_aqc_get_set_rss_keys *)seed; 6280d76a60baSAnirudh Venkataramanan 62814fb33f31SAnirudh Venkataramanan status = ice_aq_set_rss_key(hw, vsi->idx, buf); 6282d76a60baSAnirudh Venkataramanan 6283d76a60baSAnirudh Venkataramanan if (status) { 62840fee3577SLihong Yang dev_err(dev, "Cannot set RSS key, err %s aq_err %s\n", 62850fee3577SLihong Yang ice_stat_str(status), 62869d68a79cSJesse Brandeburg ice_aq_str(hw->adminq.sq_last_status)); 6287d76a60baSAnirudh Venkataramanan return -EIO; 6288d76a60baSAnirudh Venkataramanan } 6289d76a60baSAnirudh Venkataramanan } 6290d76a60baSAnirudh Venkataramanan 6291d76a60baSAnirudh Venkataramanan if (lut) { 62924fb33f31SAnirudh Venkataramanan status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type, 62934fb33f31SAnirudh Venkataramanan lut, lut_size); 6294d76a60baSAnirudh Venkataramanan if (status) { 62950fee3577SLihong Yang dev_err(dev, "Cannot set RSS lut, err %s aq_err %s\n", 62960fee3577SLihong Yang ice_stat_str(status), 62979d68a79cSJesse Brandeburg ice_aq_str(hw->adminq.sq_last_status)); 6298d76a60baSAnirudh Venkataramanan return -EIO; 6299d76a60baSAnirudh Venkataramanan } 6300d76a60baSAnirudh Venkataramanan } 6301d76a60baSAnirudh Venkataramanan 6302d76a60baSAnirudh Venkataramanan return 0; 6303d76a60baSAnirudh Venkataramanan } 6304d76a60baSAnirudh Venkataramanan 6305d76a60baSAnirudh Venkataramanan /** 6306d76a60baSAnirudh Venkataramanan * ice_get_rss - Get RSS keys and lut 6307d76a60baSAnirudh Venkataramanan * @vsi: Pointer to VSI structure 6308d76a60baSAnirudh Venkataramanan * @seed: Buffer to store the keys 6309d76a60baSAnirudh Venkataramanan * @lut: Buffer to store the lookup table entries 6310d76a60baSAnirudh Venkataramanan * @lut_size: Size of buffer to store the lookup table entries 6311d76a60baSAnirudh Venkataramanan * 6312d76a60baSAnirudh Venkataramanan * Returns 0 on success, negative on failure 6313d76a60baSAnirudh Venkataramanan */ 6314d76a60baSAnirudh Venkataramanan int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size) 6315d76a60baSAnirudh Venkataramanan { 6316d76a60baSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 6317d76a60baSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 6318d76a60baSAnirudh Venkataramanan enum ice_status status; 63194015d11eSBrett Creeley struct device *dev; 6320d76a60baSAnirudh Venkataramanan 63214015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 6322d76a60baSAnirudh Venkataramanan if (seed) { 6323d76a60baSAnirudh Venkataramanan struct ice_aqc_get_set_rss_keys *buf = 6324d76a60baSAnirudh Venkataramanan (struct ice_aqc_get_set_rss_keys *)seed; 6325d76a60baSAnirudh Venkataramanan 63264fb33f31SAnirudh Venkataramanan status = ice_aq_get_rss_key(hw, vsi->idx, buf); 6327d76a60baSAnirudh Venkataramanan if (status) { 63280fee3577SLihong Yang dev_err(dev, "Cannot get RSS key, err %s aq_err %s\n", 63290fee3577SLihong Yang ice_stat_str(status), 63309d68a79cSJesse Brandeburg ice_aq_str(hw->adminq.sq_last_status)); 6331d76a60baSAnirudh Venkataramanan return -EIO; 6332d76a60baSAnirudh Venkataramanan } 6333d76a60baSAnirudh Venkataramanan } 6334d76a60baSAnirudh Venkataramanan 6335d76a60baSAnirudh Venkataramanan if (lut) { 63364fb33f31SAnirudh Venkataramanan status = ice_aq_get_rss_lut(hw, vsi->idx, vsi->rss_lut_type, 63374fb33f31SAnirudh Venkataramanan lut, lut_size); 6338d76a60baSAnirudh Venkataramanan if (status) { 63390fee3577SLihong Yang dev_err(dev, "Cannot get RSS lut, err %s aq_err %s\n", 63400fee3577SLihong Yang ice_stat_str(status), 63419d68a79cSJesse Brandeburg ice_aq_str(hw->adminq.sq_last_status)); 6342d76a60baSAnirudh Venkataramanan return -EIO; 6343d76a60baSAnirudh Venkataramanan } 6344d76a60baSAnirudh Venkataramanan } 6345d76a60baSAnirudh Venkataramanan 6346d76a60baSAnirudh Venkataramanan return 0; 6347d76a60baSAnirudh Venkataramanan } 6348d76a60baSAnirudh Venkataramanan 6349d76a60baSAnirudh Venkataramanan /** 6350b1edc14aSMd Fahad Iqbal Polash * ice_bridge_getlink - Get the hardware bridge mode 6351b1edc14aSMd Fahad Iqbal Polash * @skb: skb buff 6352f9867df6SAnirudh Venkataramanan * @pid: process ID 6353b1edc14aSMd Fahad Iqbal Polash * @seq: RTNL message seq 6354b1edc14aSMd Fahad Iqbal Polash * @dev: the netdev being configured 6355b1edc14aSMd Fahad Iqbal Polash * @filter_mask: filter mask passed in 6356b1edc14aSMd Fahad Iqbal Polash * @nlflags: netlink flags passed in 6357b1edc14aSMd Fahad Iqbal Polash * 6358b1edc14aSMd Fahad Iqbal Polash * Return the bridge mode (VEB/VEPA) 6359b1edc14aSMd Fahad Iqbal Polash */ 6360b1edc14aSMd Fahad Iqbal Polash static int 6361b1edc14aSMd Fahad Iqbal Polash ice_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, 6362b1edc14aSMd Fahad Iqbal Polash struct net_device *dev, u32 filter_mask, int nlflags) 6363b1edc14aSMd Fahad Iqbal Polash { 6364b1edc14aSMd Fahad Iqbal Polash struct ice_netdev_priv *np = netdev_priv(dev); 6365b1edc14aSMd Fahad Iqbal Polash struct ice_vsi *vsi = np->vsi; 6366b1edc14aSMd Fahad Iqbal Polash struct ice_pf *pf = vsi->back; 6367b1edc14aSMd Fahad Iqbal Polash u16 bmode; 6368b1edc14aSMd Fahad Iqbal Polash 6369b1edc14aSMd Fahad Iqbal Polash bmode = pf->first_sw->bridge_mode; 6370b1edc14aSMd Fahad Iqbal Polash 6371b1edc14aSMd Fahad Iqbal Polash return ndo_dflt_bridge_getlink(skb, pid, seq, dev, bmode, 0, 0, nlflags, 6372b1edc14aSMd Fahad Iqbal Polash filter_mask, NULL); 6373b1edc14aSMd Fahad Iqbal Polash } 6374b1edc14aSMd Fahad Iqbal Polash 6375b1edc14aSMd Fahad Iqbal Polash /** 6376b1edc14aSMd Fahad Iqbal Polash * ice_vsi_update_bridge_mode - Update VSI for switching bridge mode (VEB/VEPA) 6377b1edc14aSMd Fahad Iqbal Polash * @vsi: Pointer to VSI structure 6378b1edc14aSMd Fahad Iqbal Polash * @bmode: Hardware bridge mode (VEB/VEPA) 6379b1edc14aSMd Fahad Iqbal Polash * 6380b1edc14aSMd Fahad Iqbal Polash * Returns 0 on success, negative on failure 6381b1edc14aSMd Fahad Iqbal Polash */ 6382b1edc14aSMd Fahad Iqbal Polash static int ice_vsi_update_bridge_mode(struct ice_vsi *vsi, u16 bmode) 6383b1edc14aSMd Fahad Iqbal Polash { 6384b1edc14aSMd Fahad Iqbal Polash struct ice_aqc_vsi_props *vsi_props; 6385b1edc14aSMd Fahad Iqbal Polash struct ice_hw *hw = &vsi->back->hw; 6386198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 6387b1edc14aSMd Fahad Iqbal Polash enum ice_status status; 6388198a666aSBruce Allan int ret = 0; 6389b1edc14aSMd Fahad Iqbal Polash 6390b1edc14aSMd Fahad Iqbal Polash vsi_props = &vsi->info; 6391198a666aSBruce Allan 63929efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 6393198a666aSBruce Allan if (!ctxt) 6394198a666aSBruce Allan return -ENOMEM; 6395198a666aSBruce Allan 6396198a666aSBruce Allan ctxt->info = vsi->info; 6397b1edc14aSMd Fahad Iqbal Polash 6398b1edc14aSMd Fahad Iqbal Polash if (bmode == BRIDGE_MODE_VEB) 6399b1edc14aSMd Fahad Iqbal Polash /* change from VEPA to VEB mode */ 6400198a666aSBruce Allan ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB; 6401b1edc14aSMd Fahad Iqbal Polash else 6402b1edc14aSMd Fahad Iqbal Polash /* change from VEB to VEPA mode */ 6403198a666aSBruce Allan ctxt->info.sw_flags &= ~ICE_AQ_VSI_SW_FLAG_ALLOW_LB; 6404198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SW_VALID); 64055726ca0eSAnirudh Venkataramanan 6406198a666aSBruce Allan status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 6407b1edc14aSMd Fahad Iqbal Polash if (status) { 64080fee3577SLihong Yang dev_err(ice_pf_to_dev(vsi->back), "update VSI for bridge mode failed, bmode = %d err %s aq_err %s\n", 64090fee3577SLihong Yang bmode, ice_stat_str(status), 64100fee3577SLihong Yang ice_aq_str(hw->adminq.sq_last_status)); 6411198a666aSBruce Allan ret = -EIO; 6412198a666aSBruce Allan goto out; 6413b1edc14aSMd Fahad Iqbal Polash } 6414b1edc14aSMd Fahad Iqbal Polash /* Update sw flags for book keeping */ 6415198a666aSBruce Allan vsi_props->sw_flags = ctxt->info.sw_flags; 6416b1edc14aSMd Fahad Iqbal Polash 6417198a666aSBruce Allan out: 64189efe35d0STony Nguyen kfree(ctxt); 6419198a666aSBruce Allan return ret; 6420b1edc14aSMd Fahad Iqbal Polash } 6421b1edc14aSMd Fahad Iqbal Polash 6422b1edc14aSMd Fahad Iqbal Polash /** 6423b1edc14aSMd Fahad Iqbal Polash * ice_bridge_setlink - Set the hardware bridge mode 6424b1edc14aSMd Fahad Iqbal Polash * @dev: the netdev being configured 6425b1edc14aSMd Fahad Iqbal Polash * @nlh: RTNL message 6426b1edc14aSMd Fahad Iqbal Polash * @flags: bridge setlink flags 64272fd527b7SPetr Machata * @extack: netlink extended ack 6428b1edc14aSMd Fahad Iqbal Polash * 6429b1edc14aSMd Fahad Iqbal Polash * Sets the bridge mode (VEB/VEPA) of the switch to which the netdev (VSI) is 6430b1edc14aSMd Fahad Iqbal Polash * hooked up to. Iterates through the PF VSI list and sets the loopback mode (if 6431b1edc14aSMd Fahad Iqbal Polash * not already set for all VSIs connected to this switch. And also update the 6432b1edc14aSMd Fahad Iqbal Polash * unicast switch filter rules for the corresponding switch of the netdev. 6433b1edc14aSMd Fahad Iqbal Polash */ 6434b1edc14aSMd Fahad Iqbal Polash static int 6435b1edc14aSMd Fahad Iqbal Polash ice_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh, 64363d505147SBruce Allan u16 __always_unused flags, 64373d505147SBruce Allan struct netlink_ext_ack __always_unused *extack) 6438b1edc14aSMd Fahad Iqbal Polash { 6439b1edc14aSMd Fahad Iqbal Polash struct ice_netdev_priv *np = netdev_priv(dev); 6440b1edc14aSMd Fahad Iqbal Polash struct ice_pf *pf = np->vsi->back; 6441b1edc14aSMd Fahad Iqbal Polash struct nlattr *attr, *br_spec; 6442b1edc14aSMd Fahad Iqbal Polash struct ice_hw *hw = &pf->hw; 6443b1edc14aSMd Fahad Iqbal Polash enum ice_status status; 6444b1edc14aSMd Fahad Iqbal Polash struct ice_sw *pf_sw; 6445b1edc14aSMd Fahad Iqbal Polash int rem, v, err = 0; 6446b1edc14aSMd Fahad Iqbal Polash 6447b1edc14aSMd Fahad Iqbal Polash pf_sw = pf->first_sw; 6448b1edc14aSMd Fahad Iqbal Polash /* find the attribute in the netlink message */ 6449b1edc14aSMd Fahad Iqbal Polash br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); 6450b1edc14aSMd Fahad Iqbal Polash 6451b1edc14aSMd Fahad Iqbal Polash nla_for_each_nested(attr, br_spec, rem) { 6452b1edc14aSMd Fahad Iqbal Polash __u16 mode; 6453b1edc14aSMd Fahad Iqbal Polash 6454b1edc14aSMd Fahad Iqbal Polash if (nla_type(attr) != IFLA_BRIDGE_MODE) 6455b1edc14aSMd Fahad Iqbal Polash continue; 6456b1edc14aSMd Fahad Iqbal Polash mode = nla_get_u16(attr); 6457b1edc14aSMd Fahad Iqbal Polash if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB) 6458b1edc14aSMd Fahad Iqbal Polash return -EINVAL; 6459b1edc14aSMd Fahad Iqbal Polash /* Continue if bridge mode is not being flipped */ 6460b1edc14aSMd Fahad Iqbal Polash if (mode == pf_sw->bridge_mode) 6461b1edc14aSMd Fahad Iqbal Polash continue; 6462b1edc14aSMd Fahad Iqbal Polash /* Iterates through the PF VSI list and update the loopback 6463b1edc14aSMd Fahad Iqbal Polash * mode of the VSI 6464b1edc14aSMd Fahad Iqbal Polash */ 6465b1edc14aSMd Fahad Iqbal Polash ice_for_each_vsi(pf, v) { 6466b1edc14aSMd Fahad Iqbal Polash if (!pf->vsi[v]) 6467b1edc14aSMd Fahad Iqbal Polash continue; 6468b1edc14aSMd Fahad Iqbal Polash err = ice_vsi_update_bridge_mode(pf->vsi[v], mode); 6469b1edc14aSMd Fahad Iqbal Polash if (err) 6470b1edc14aSMd Fahad Iqbal Polash return err; 6471b1edc14aSMd Fahad Iqbal Polash } 6472b1edc14aSMd Fahad Iqbal Polash 6473b1edc14aSMd Fahad Iqbal Polash hw->evb_veb = (mode == BRIDGE_MODE_VEB); 6474b1edc14aSMd Fahad Iqbal Polash /* Update the unicast switch filter rules for the corresponding 6475b1edc14aSMd Fahad Iqbal Polash * switch of the netdev 6476b1edc14aSMd Fahad Iqbal Polash */ 6477b1edc14aSMd Fahad Iqbal Polash status = ice_update_sw_rule_bridge_mode(hw); 6478b1edc14aSMd Fahad Iqbal Polash if (status) { 64790fee3577SLihong Yang netdev_err(dev, "switch rule update failed, mode = %d err %s aq_err %s\n", 64800fee3577SLihong Yang mode, ice_stat_str(status), 64810fee3577SLihong Yang ice_aq_str(hw->adminq.sq_last_status)); 6482b1edc14aSMd Fahad Iqbal Polash /* revert hw->evb_veb */ 6483b1edc14aSMd Fahad Iqbal Polash hw->evb_veb = (pf_sw->bridge_mode == BRIDGE_MODE_VEB); 6484b1edc14aSMd Fahad Iqbal Polash return -EIO; 6485b1edc14aSMd Fahad Iqbal Polash } 6486b1edc14aSMd Fahad Iqbal Polash 6487b1edc14aSMd Fahad Iqbal Polash pf_sw->bridge_mode = mode; 6488b1edc14aSMd Fahad Iqbal Polash } 6489b1edc14aSMd Fahad Iqbal Polash 6490b1edc14aSMd Fahad Iqbal Polash return 0; 6491b1edc14aSMd Fahad Iqbal Polash } 6492b1edc14aSMd Fahad Iqbal Polash 6493b1edc14aSMd Fahad Iqbal Polash /** 6494b3969fd7SSudheer Mogilappagari * ice_tx_timeout - Respond to a Tx Hang 6495b3969fd7SSudheer Mogilappagari * @netdev: network interface device structure 6496644f40eaSBruce Allan * @txqueue: Tx queue 6497b3969fd7SSudheer Mogilappagari */ 64980290bd29SMichael S. Tsirkin static void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue) 6499b3969fd7SSudheer Mogilappagari { 6500b3969fd7SSudheer Mogilappagari struct ice_netdev_priv *np = netdev_priv(netdev); 6501b3969fd7SSudheer Mogilappagari struct ice_ring *tx_ring = NULL; 6502b3969fd7SSudheer Mogilappagari struct ice_vsi *vsi = np->vsi; 6503b3969fd7SSudheer Mogilappagari struct ice_pf *pf = vsi->back; 6504807bc98dSBrett Creeley u32 i; 6505b3969fd7SSudheer Mogilappagari 6506b3969fd7SSudheer Mogilappagari pf->tx_timeout_count++; 6507b3969fd7SSudheer Mogilappagari 6508610ed0e9SAvinash JD /* Check if PFC is enabled for the TC to which the queue belongs 6509610ed0e9SAvinash JD * to. If yes then Tx timeout is not caused by a hung queue, no 6510610ed0e9SAvinash JD * need to reset and rebuild 6511610ed0e9SAvinash JD */ 6512610ed0e9SAvinash JD if (ice_is_pfc_causing_hung_q(pf, txqueue)) { 6513610ed0e9SAvinash JD dev_info(ice_pf_to_dev(pf), "Fake Tx hang detected on queue %u, timeout caused by PFC storm\n", 6514610ed0e9SAvinash JD txqueue); 6515610ed0e9SAvinash JD return; 6516610ed0e9SAvinash JD } 6517610ed0e9SAvinash JD 6518b3969fd7SSudheer Mogilappagari /* now that we have an index, find the tx_ring struct */ 6519bc0c6fabSBruce Allan for (i = 0; i < vsi->num_txq; i++) 6520bc0c6fabSBruce Allan if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc) 6521ed5a3f66SJulio Faracco if (txqueue == vsi->tx_rings[i]->q_index) { 6522b3969fd7SSudheer Mogilappagari tx_ring = vsi->tx_rings[i]; 6523b3969fd7SSudheer Mogilappagari break; 6524b3969fd7SSudheer Mogilappagari } 6525b3969fd7SSudheer Mogilappagari 6526b3969fd7SSudheer Mogilappagari /* Reset recovery level if enough time has elapsed after last timeout. 6527b3969fd7SSudheer Mogilappagari * Also ensure no new reset action happens before next timeout period. 6528b3969fd7SSudheer Mogilappagari */ 6529b3969fd7SSudheer Mogilappagari if (time_after(jiffies, (pf->tx_timeout_last_recovery + HZ * 20))) 6530b3969fd7SSudheer Mogilappagari pf->tx_timeout_recovery_level = 1; 6531b3969fd7SSudheer Mogilappagari else if (time_before(jiffies, (pf->tx_timeout_last_recovery + 6532b3969fd7SSudheer Mogilappagari netdev->watchdog_timeo))) 6533b3969fd7SSudheer Mogilappagari return; 6534b3969fd7SSudheer Mogilappagari 6535b3969fd7SSudheer Mogilappagari if (tx_ring) { 6536807bc98dSBrett Creeley struct ice_hw *hw = &pf->hw; 6537807bc98dSBrett Creeley u32 head, val = 0; 6538807bc98dSBrett Creeley 6539ed5a3f66SJulio Faracco head = (rd32(hw, QTX_COMM_HEAD(vsi->txq_map[txqueue])) & 6540807bc98dSBrett Creeley QTX_COMM_HEAD_HEAD_M) >> QTX_COMM_HEAD_HEAD_S; 6541b3969fd7SSudheer Mogilappagari /* Read interrupt register */ 6542ba880734SBrett Creeley val = rd32(hw, GLINT_DYN_CTL(tx_ring->q_vector->reg_idx)); 6543b3969fd7SSudheer Mogilappagari 654493ff4858STony 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", 6545ed5a3f66SJulio Faracco vsi->vsi_num, txqueue, tx_ring->next_to_clean, 6546807bc98dSBrett Creeley head, tx_ring->next_to_use, val); 6547b3969fd7SSudheer Mogilappagari } 6548b3969fd7SSudheer Mogilappagari 6549b3969fd7SSudheer Mogilappagari pf->tx_timeout_last_recovery = jiffies; 655093ff4858STony Nguyen netdev_info(netdev, "tx_timeout recovery level %d, txqueue %u\n", 6551ed5a3f66SJulio Faracco pf->tx_timeout_recovery_level, txqueue); 6552b3969fd7SSudheer Mogilappagari 6553b3969fd7SSudheer Mogilappagari switch (pf->tx_timeout_recovery_level) { 6554b3969fd7SSudheer Mogilappagari case 1: 6555b3969fd7SSudheer Mogilappagari set_bit(__ICE_PFR_REQ, pf->state); 6556b3969fd7SSudheer Mogilappagari break; 6557b3969fd7SSudheer Mogilappagari case 2: 6558b3969fd7SSudheer Mogilappagari set_bit(__ICE_CORER_REQ, pf->state); 6559b3969fd7SSudheer Mogilappagari break; 6560b3969fd7SSudheer Mogilappagari case 3: 6561b3969fd7SSudheer Mogilappagari set_bit(__ICE_GLOBR_REQ, pf->state); 6562b3969fd7SSudheer Mogilappagari break; 6563b3969fd7SSudheer Mogilappagari default: 6564b3969fd7SSudheer Mogilappagari netdev_err(netdev, "tx_timeout recovery unsuccessful, device is in unrecoverable state.\n"); 6565b3969fd7SSudheer Mogilappagari set_bit(__ICE_DOWN, pf->state); 6566b3969fd7SSudheer Mogilappagari set_bit(__ICE_NEEDS_RESTART, vsi->state); 65678d81fa55SAkeem G Abodunrin set_bit(__ICE_SERVICE_DIS, pf->state); 6568b3969fd7SSudheer Mogilappagari break; 6569b3969fd7SSudheer Mogilappagari } 6570b3969fd7SSudheer Mogilappagari 6571b3969fd7SSudheer Mogilappagari ice_service_task_schedule(pf); 6572b3969fd7SSudheer Mogilappagari pf->tx_timeout_recovery_level++; 6573b3969fd7SSudheer Mogilappagari } 6574b3969fd7SSudheer Mogilappagari 6575b3969fd7SSudheer Mogilappagari /** 6576a4e82a81STony Nguyen * ice_udp_tunnel_add - Get notifications about UDP tunnel ports that come up 6577a4e82a81STony Nguyen * @netdev: This physical port's netdev 6578a4e82a81STony Nguyen * @ti: Tunnel endpoint information 6579a4e82a81STony Nguyen */ 6580a4e82a81STony Nguyen static void 6581a4e82a81STony Nguyen ice_udp_tunnel_add(struct net_device *netdev, struct udp_tunnel_info *ti) 6582a4e82a81STony Nguyen { 6583a4e82a81STony Nguyen struct ice_netdev_priv *np = netdev_priv(netdev); 6584a4e82a81STony Nguyen struct ice_vsi *vsi = np->vsi; 6585a4e82a81STony Nguyen struct ice_pf *pf = vsi->back; 6586a4e82a81STony Nguyen enum ice_tunnel_type tnl_type; 6587a4e82a81STony Nguyen u16 port = ntohs(ti->port); 6588a4e82a81STony Nguyen enum ice_status status; 6589a4e82a81STony Nguyen 6590a4e82a81STony Nguyen switch (ti->type) { 6591a4e82a81STony Nguyen case UDP_TUNNEL_TYPE_VXLAN: 6592a4e82a81STony Nguyen tnl_type = TNL_VXLAN; 6593a4e82a81STony Nguyen break; 6594a4e82a81STony Nguyen case UDP_TUNNEL_TYPE_GENEVE: 6595a4e82a81STony Nguyen tnl_type = TNL_GENEVE; 6596a4e82a81STony Nguyen break; 6597a4e82a81STony Nguyen default: 6598a4e82a81STony Nguyen netdev_err(netdev, "Unknown tunnel type\n"); 6599a4e82a81STony Nguyen return; 6600a4e82a81STony Nguyen } 6601a4e82a81STony Nguyen 6602a4e82a81STony Nguyen status = ice_create_tunnel(&pf->hw, tnl_type, port); 6603a4e82a81STony Nguyen if (status == ICE_ERR_OUT_OF_RANGE) 6604a4e82a81STony Nguyen netdev_info(netdev, "Max tunneled UDP ports reached, port %d not added\n", 6605a4e82a81STony Nguyen port); 6606a4e82a81STony Nguyen else if (status) 66070fee3577SLihong Yang netdev_err(netdev, "Error adding UDP tunnel - %s\n", 66080fee3577SLihong Yang ice_stat_str(status)); 6609a4e82a81STony Nguyen } 6610a4e82a81STony Nguyen 6611a4e82a81STony Nguyen /** 6612a4e82a81STony Nguyen * ice_udp_tunnel_del - Get notifications about UDP tunnel ports that go away 6613a4e82a81STony Nguyen * @netdev: This physical port's netdev 6614a4e82a81STony Nguyen * @ti: Tunnel endpoint information 6615a4e82a81STony Nguyen */ 6616a4e82a81STony Nguyen static void 6617a4e82a81STony Nguyen ice_udp_tunnel_del(struct net_device *netdev, struct udp_tunnel_info *ti) 6618a4e82a81STony Nguyen { 6619a4e82a81STony Nguyen struct ice_netdev_priv *np = netdev_priv(netdev); 6620a4e82a81STony Nguyen struct ice_vsi *vsi = np->vsi; 6621a4e82a81STony Nguyen struct ice_pf *pf = vsi->back; 6622a4e82a81STony Nguyen u16 port = ntohs(ti->port); 6623a4e82a81STony Nguyen enum ice_status status; 6624a4e82a81STony Nguyen bool retval; 6625a4e82a81STony Nguyen 6626a4e82a81STony Nguyen retval = ice_tunnel_port_in_use(&pf->hw, port, NULL); 6627a4e82a81STony Nguyen if (!retval) { 6628a4e82a81STony Nguyen netdev_info(netdev, "port %d not found in UDP tunnels list\n", 6629a4e82a81STony Nguyen port); 6630a4e82a81STony Nguyen return; 6631a4e82a81STony Nguyen } 6632a4e82a81STony Nguyen 6633a4e82a81STony Nguyen status = ice_destroy_tunnel(&pf->hw, port, false); 6634a4e82a81STony Nguyen if (status) 6635a4e82a81STony Nguyen netdev_err(netdev, "error deleting port %d from UDP tunnels list\n", 6636a4e82a81STony Nguyen port); 6637a4e82a81STony Nguyen } 6638a4e82a81STony Nguyen 6639a4e82a81STony Nguyen /** 6640cdedef59SAnirudh Venkataramanan * ice_open - Called when a network interface becomes active 6641cdedef59SAnirudh Venkataramanan * @netdev: network interface device structure 6642cdedef59SAnirudh Venkataramanan * 6643cdedef59SAnirudh Venkataramanan * The open entry point is called when a network interface is made 6644cdedef59SAnirudh Venkataramanan * active by the system (IFF_UP). At this point all resources needed 6645cdedef59SAnirudh Venkataramanan * for transmit and receive operations are allocated, the interrupt 6646cdedef59SAnirudh Venkataramanan * handler is registered with the OS, the netdev watchdog is enabled, 6647cdedef59SAnirudh Venkataramanan * and the stack is notified that the interface is ready. 6648cdedef59SAnirudh Venkataramanan * 6649cdedef59SAnirudh Venkataramanan * Returns 0 on success, negative value on failure 6650cdedef59SAnirudh Venkataramanan */ 66510e674aebSAnirudh Venkataramanan int ice_open(struct net_device *netdev) 6652cdedef59SAnirudh Venkataramanan { 6653cdedef59SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 6654cdedef59SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 6655de75135bSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 66566d599946STony Nguyen struct ice_port_info *pi; 6657cdedef59SAnirudh Venkataramanan int err; 6658cdedef59SAnirudh Venkataramanan 6659de75135bSAnirudh Venkataramanan if (test_bit(__ICE_NEEDS_RESTART, pf->state)) { 66600f9d5027SAnirudh Venkataramanan netdev_err(netdev, "driver needs to be unloaded and reloaded\n"); 66610f9d5027SAnirudh Venkataramanan return -EIO; 66620f9d5027SAnirudh Venkataramanan } 66630f9d5027SAnirudh Venkataramanan 6664de75135bSAnirudh Venkataramanan if (test_bit(__ICE_DOWN, pf->state)) { 6665de75135bSAnirudh Venkataramanan netdev_err(netdev, "device is not ready yet\n"); 6666de75135bSAnirudh Venkataramanan return -EBUSY; 6667de75135bSAnirudh Venkataramanan } 6668de75135bSAnirudh Venkataramanan 6669cdedef59SAnirudh Venkataramanan netif_carrier_off(netdev); 6670cdedef59SAnirudh Venkataramanan 66716d599946STony Nguyen pi = vsi->port_info; 66726d599946STony Nguyen err = ice_update_link_info(pi); 66736d599946STony Nguyen if (err) { 66746d599946STony Nguyen netdev_err(netdev, "Failed to get link info, error %d\n", 66756d599946STony Nguyen err); 66766d599946STony Nguyen return err; 66776d599946STony Nguyen } 66786d599946STony Nguyen 66796d599946STony Nguyen /* Set PHY if there is media, otherwise, turn off PHY */ 66806d599946STony Nguyen if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) { 66811a3571b5SPaul Greenwalt clear_bit(ICE_FLAG_NO_MEDIA, pf->flags); 66821a3571b5SPaul Greenwalt if (!test_bit(__ICE_PHY_INIT_COMPLETE, pf->state)) { 66831a3571b5SPaul Greenwalt err = ice_init_phy_user_cfg(pi); 66841a3571b5SPaul Greenwalt if (err) { 66851a3571b5SPaul Greenwalt netdev_err(netdev, "Failed to initialize PHY settings, error %d\n", 66861a3571b5SPaul Greenwalt err); 66871a3571b5SPaul Greenwalt return err; 66881a3571b5SPaul Greenwalt } 66891a3571b5SPaul Greenwalt } 66901a3571b5SPaul Greenwalt 66911a3571b5SPaul Greenwalt err = ice_configure_phy(vsi); 6692b6f934f0SBrett Creeley if (err) { 669319cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Failed to set physical link up, error %d\n", 66946d599946STony Nguyen err); 6695b6f934f0SBrett Creeley return err; 6696b6f934f0SBrett Creeley } 66976d599946STony Nguyen } else { 66981a3571b5SPaul Greenwalt set_bit(ICE_FLAG_NO_MEDIA, pf->flags); 66996d599946STony Nguyen err = ice_aq_set_link_restart_an(pi, false, NULL); 67006d599946STony Nguyen if (err) { 67016d599946STony Nguyen netdev_err(netdev, "Failed to set PHY state, VSI %d error %d\n", 67026d599946STony Nguyen vsi->vsi_num, err); 67036d599946STony Nguyen return err; 67046d599946STony Nguyen } 67056d599946STony Nguyen } 6706cdedef59SAnirudh Venkataramanan 6707b6f934f0SBrett Creeley err = ice_vsi_open(vsi); 6708cdedef59SAnirudh Venkataramanan if (err) 6709cdedef59SAnirudh Venkataramanan netdev_err(netdev, "Failed to open VSI 0x%04X on switch 0x%04X\n", 6710cdedef59SAnirudh Venkataramanan vsi->vsi_num, vsi->vsw->sw_id); 6711a4e82a81STony Nguyen 6712a4e82a81STony Nguyen /* Update existing tunnels information */ 6713a4e82a81STony Nguyen udp_tunnel_get_rx_info(netdev); 6714a4e82a81STony Nguyen 6715cdedef59SAnirudh Venkataramanan return err; 6716cdedef59SAnirudh Venkataramanan } 6717cdedef59SAnirudh Venkataramanan 6718cdedef59SAnirudh Venkataramanan /** 6719cdedef59SAnirudh Venkataramanan * ice_stop - Disables a network interface 6720cdedef59SAnirudh Venkataramanan * @netdev: network interface device structure 6721cdedef59SAnirudh Venkataramanan * 6722cdedef59SAnirudh Venkataramanan * The stop entry point is called when an interface is de-activated by the OS, 6723cdedef59SAnirudh Venkataramanan * and the netdevice enters the DOWN state. The hardware is still under the 6724cdedef59SAnirudh Venkataramanan * driver's control, but the netdev interface is disabled. 6725cdedef59SAnirudh Venkataramanan * 6726cdedef59SAnirudh Venkataramanan * Returns success only - not allowed to fail 6727cdedef59SAnirudh Venkataramanan */ 67280e674aebSAnirudh Venkataramanan int ice_stop(struct net_device *netdev) 6729cdedef59SAnirudh Venkataramanan { 6730cdedef59SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 6731cdedef59SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 6732cdedef59SAnirudh Venkataramanan 6733cdedef59SAnirudh Venkataramanan ice_vsi_close(vsi); 6734cdedef59SAnirudh Venkataramanan 6735cdedef59SAnirudh Venkataramanan return 0; 6736cdedef59SAnirudh Venkataramanan } 6737cdedef59SAnirudh Venkataramanan 6738e94d4478SAnirudh Venkataramanan /** 6739e94d4478SAnirudh Venkataramanan * ice_features_check - Validate encapsulated packet conforms to limits 6740e94d4478SAnirudh Venkataramanan * @skb: skb buffer 6741e94d4478SAnirudh Venkataramanan * @netdev: This port's netdev 6742e94d4478SAnirudh Venkataramanan * @features: Offload features that the stack believes apply 6743e94d4478SAnirudh Venkataramanan */ 6744e94d4478SAnirudh Venkataramanan static netdev_features_t 6745e94d4478SAnirudh Venkataramanan ice_features_check(struct sk_buff *skb, 6746e94d4478SAnirudh Venkataramanan struct net_device __always_unused *netdev, 6747e94d4478SAnirudh Venkataramanan netdev_features_t features) 6748e94d4478SAnirudh Venkataramanan { 6749e94d4478SAnirudh Venkataramanan size_t len; 6750e94d4478SAnirudh Venkataramanan 6751e94d4478SAnirudh Venkataramanan /* No point in doing any of this if neither checksum nor GSO are 6752e94d4478SAnirudh Venkataramanan * being requested for this frame. We can rule out both by just 6753e94d4478SAnirudh Venkataramanan * checking for CHECKSUM_PARTIAL 6754e94d4478SAnirudh Venkataramanan */ 6755e94d4478SAnirudh Venkataramanan if (skb->ip_summed != CHECKSUM_PARTIAL) 6756e94d4478SAnirudh Venkataramanan return features; 6757e94d4478SAnirudh Venkataramanan 6758e94d4478SAnirudh Venkataramanan /* We cannot support GSO if the MSS is going to be less than 6759e94d4478SAnirudh Venkataramanan * 64 bytes. If it is then we need to drop support for GSO. 6760e94d4478SAnirudh Venkataramanan */ 6761e94d4478SAnirudh Venkataramanan if (skb_is_gso(skb) && (skb_shinfo(skb)->gso_size < 64)) 6762e94d4478SAnirudh Venkataramanan features &= ~NETIF_F_GSO_MASK; 6763e94d4478SAnirudh Venkataramanan 6764e94d4478SAnirudh Venkataramanan len = skb_network_header(skb) - skb->data; 6765a4e82a81STony Nguyen if (len > ICE_TXD_MACLEN_MAX || len & 0x1) 6766e94d4478SAnirudh Venkataramanan goto out_rm_features; 6767e94d4478SAnirudh Venkataramanan 6768e94d4478SAnirudh Venkataramanan len = skb_transport_header(skb) - skb_network_header(skb); 6769a4e82a81STony Nguyen if (len > ICE_TXD_IPLEN_MAX || len & 0x1) 6770e94d4478SAnirudh Venkataramanan goto out_rm_features; 6771e94d4478SAnirudh Venkataramanan 6772e94d4478SAnirudh Venkataramanan if (skb->encapsulation) { 6773e94d4478SAnirudh Venkataramanan len = skb_inner_network_header(skb) - skb_transport_header(skb); 6774a4e82a81STony Nguyen if (len > ICE_TXD_L4LEN_MAX || len & 0x1) 6775e94d4478SAnirudh Venkataramanan goto out_rm_features; 6776e94d4478SAnirudh Venkataramanan 6777e94d4478SAnirudh Venkataramanan len = skb_inner_transport_header(skb) - 6778e94d4478SAnirudh Venkataramanan skb_inner_network_header(skb); 6779a4e82a81STony Nguyen if (len > ICE_TXD_IPLEN_MAX || len & 0x1) 6780e94d4478SAnirudh Venkataramanan goto out_rm_features; 6781e94d4478SAnirudh Venkataramanan } 6782e94d4478SAnirudh Venkataramanan 6783e94d4478SAnirudh Venkataramanan return features; 6784e94d4478SAnirudh Venkataramanan out_rm_features: 6785e94d4478SAnirudh Venkataramanan return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); 6786e94d4478SAnirudh Venkataramanan } 6787e94d4478SAnirudh Venkataramanan 6788462acf6aSTony Nguyen static const struct net_device_ops ice_netdev_safe_mode_ops = { 6789462acf6aSTony Nguyen .ndo_open = ice_open, 6790462acf6aSTony Nguyen .ndo_stop = ice_stop, 6791462acf6aSTony Nguyen .ndo_start_xmit = ice_start_xmit, 6792462acf6aSTony Nguyen .ndo_set_mac_address = ice_set_mac_address, 6793462acf6aSTony Nguyen .ndo_validate_addr = eth_validate_addr, 6794462acf6aSTony Nguyen .ndo_change_mtu = ice_change_mtu, 6795462acf6aSTony Nguyen .ndo_get_stats64 = ice_get_stats64, 6796462acf6aSTony Nguyen .ndo_tx_timeout = ice_tx_timeout, 6797462acf6aSTony Nguyen }; 6798462acf6aSTony Nguyen 6799cdedef59SAnirudh Venkataramanan static const struct net_device_ops ice_netdev_ops = { 6800cdedef59SAnirudh Venkataramanan .ndo_open = ice_open, 6801cdedef59SAnirudh Venkataramanan .ndo_stop = ice_stop, 68022b245cb2SAnirudh Venkataramanan .ndo_start_xmit = ice_start_xmit, 6803e94d4478SAnirudh Venkataramanan .ndo_features_check = ice_features_check, 6804e94d4478SAnirudh Venkataramanan .ndo_set_rx_mode = ice_set_rx_mode, 6805e94d4478SAnirudh Venkataramanan .ndo_set_mac_address = ice_set_mac_address, 6806e94d4478SAnirudh Venkataramanan .ndo_validate_addr = eth_validate_addr, 6807e94d4478SAnirudh Venkataramanan .ndo_change_mtu = ice_change_mtu, 6808fcea6f3dSAnirudh Venkataramanan .ndo_get_stats64 = ice_get_stats64, 68091ddef455SUsha Ketineni .ndo_set_tx_maxrate = ice_set_tx_maxrate, 68107c710869SAnirudh Venkataramanan .ndo_set_vf_spoofchk = ice_set_vf_spoofchk, 68117c710869SAnirudh Venkataramanan .ndo_set_vf_mac = ice_set_vf_mac, 68127c710869SAnirudh Venkataramanan .ndo_get_vf_config = ice_get_vf_cfg, 68137c710869SAnirudh Venkataramanan .ndo_set_vf_trust = ice_set_vf_trust, 68147c710869SAnirudh Venkataramanan .ndo_set_vf_vlan = ice_set_vf_port_vlan, 68157c710869SAnirudh Venkataramanan .ndo_set_vf_link_state = ice_set_vf_link_state, 6816730fdea4SJesse Brandeburg .ndo_get_vf_stats = ice_get_vf_stats, 6817d76a60baSAnirudh Venkataramanan .ndo_vlan_rx_add_vid = ice_vlan_rx_add_vid, 6818d76a60baSAnirudh Venkataramanan .ndo_vlan_rx_kill_vid = ice_vlan_rx_kill_vid, 6819d76a60baSAnirudh Venkataramanan .ndo_set_features = ice_set_features, 6820b1edc14aSMd Fahad Iqbal Polash .ndo_bridge_getlink = ice_bridge_getlink, 6821b1edc14aSMd Fahad Iqbal Polash .ndo_bridge_setlink = ice_bridge_setlink, 6822e94d4478SAnirudh Venkataramanan .ndo_fdb_add = ice_fdb_add, 6823e94d4478SAnirudh Venkataramanan .ndo_fdb_del = ice_fdb_del, 682428bf2672SBrett Creeley #ifdef CONFIG_RFS_ACCEL 682528bf2672SBrett Creeley .ndo_rx_flow_steer = ice_rx_flow_steer, 682628bf2672SBrett Creeley #endif 6827b3969fd7SSudheer Mogilappagari .ndo_tx_timeout = ice_tx_timeout, 6828efc2214bSMaciej Fijalkowski .ndo_bpf = ice_xdp, 6829efc2214bSMaciej Fijalkowski .ndo_xdp_xmit = ice_xdp_xmit, 68302d4238f5SKrzysztof Kazimierczak .ndo_xsk_wakeup = ice_xsk_wakeup, 6831a4e82a81STony Nguyen .ndo_udp_tunnel_add = ice_udp_tunnel_add, 6832a4e82a81STony Nguyen .ndo_udp_tunnel_del = ice_udp_tunnel_del, 6833cdedef59SAnirudh Venkataramanan }; 6834