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 38d25a0fc4SDave Ertman static DEFINE_IDA(ice_aux_ida); 39d25a0fc4SDave Ertman 40940b61afSAnirudh Venkataramanan static struct workqueue_struct *ice_wq; 41462acf6aSTony Nguyen static const struct net_device_ops ice_netdev_safe_mode_ops; 42cdedef59SAnirudh Venkataramanan static const struct net_device_ops ice_netdev_ops; 4387324e74SHenry Tieman static int ice_vsi_open(struct ice_vsi *vsi); 44940b61afSAnirudh Venkataramanan 45462acf6aSTony Nguyen static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type); 4628c2a645SAnirudh Venkataramanan 470f9d5027SAnirudh Venkataramanan static void ice_vsi_release_all(struct ice_pf *pf); 483a858ba3SAnirudh Venkataramanan 49df006dd4SDave Ertman bool netif_is_ice(struct net_device *dev) 50df006dd4SDave Ertman { 51df006dd4SDave Ertman return dev && (dev->netdev_ops == &ice_netdev_ops); 52df006dd4SDave Ertman } 53df006dd4SDave Ertman 543a858ba3SAnirudh Venkataramanan /** 55b3969fd7SSudheer Mogilappagari * ice_get_tx_pending - returns number of Tx descriptors not processed 56b3969fd7SSudheer Mogilappagari * @ring: the ring of descriptors 57b3969fd7SSudheer Mogilappagari */ 58c1ddf1f5SBrett Creeley static u16 ice_get_tx_pending(struct ice_ring *ring) 59b3969fd7SSudheer Mogilappagari { 60c1ddf1f5SBrett Creeley u16 head, tail; 61b3969fd7SSudheer Mogilappagari 62b3969fd7SSudheer Mogilappagari head = ring->next_to_clean; 63c1ddf1f5SBrett Creeley tail = ring->next_to_use; 64b3969fd7SSudheer Mogilappagari 65b3969fd7SSudheer Mogilappagari if (head != tail) 66b3969fd7SSudheer Mogilappagari return (head < tail) ? 67b3969fd7SSudheer Mogilappagari tail - head : (tail + ring->count - head); 68b3969fd7SSudheer Mogilappagari return 0; 69b3969fd7SSudheer Mogilappagari } 70b3969fd7SSudheer Mogilappagari 71b3969fd7SSudheer Mogilappagari /** 72b3969fd7SSudheer Mogilappagari * ice_check_for_hang_subtask - check for and recover hung queues 73b3969fd7SSudheer Mogilappagari * @pf: pointer to PF struct 74b3969fd7SSudheer Mogilappagari */ 75b3969fd7SSudheer Mogilappagari static void ice_check_for_hang_subtask(struct ice_pf *pf) 76b3969fd7SSudheer Mogilappagari { 77b3969fd7SSudheer Mogilappagari struct ice_vsi *vsi = NULL; 78e89e899fSBrett Creeley struct ice_hw *hw; 79b3969fd7SSudheer Mogilappagari unsigned int i; 80b3969fd7SSudheer Mogilappagari int packets; 81e89e899fSBrett Creeley u32 v; 82b3969fd7SSudheer Mogilappagari 83b3969fd7SSudheer Mogilappagari ice_for_each_vsi(pf, v) 84b3969fd7SSudheer Mogilappagari if (pf->vsi[v] && pf->vsi[v]->type == ICE_VSI_PF) { 85b3969fd7SSudheer Mogilappagari vsi = pf->vsi[v]; 86b3969fd7SSudheer Mogilappagari break; 87b3969fd7SSudheer Mogilappagari } 88b3969fd7SSudheer Mogilappagari 89e97fb1aeSAnirudh Venkataramanan if (!vsi || test_bit(ICE_VSI_DOWN, vsi->state)) 90b3969fd7SSudheer Mogilappagari return; 91b3969fd7SSudheer Mogilappagari 92b3969fd7SSudheer Mogilappagari if (!(vsi->netdev && netif_carrier_ok(vsi->netdev))) 93b3969fd7SSudheer Mogilappagari return; 94b3969fd7SSudheer Mogilappagari 95e89e899fSBrett Creeley hw = &vsi->back->hw; 96e89e899fSBrett Creeley 97b3969fd7SSudheer Mogilappagari for (i = 0; i < vsi->num_txq; i++) { 98b3969fd7SSudheer Mogilappagari struct ice_ring *tx_ring = vsi->tx_rings[i]; 99b3969fd7SSudheer Mogilappagari 100b3969fd7SSudheer Mogilappagari if (tx_ring && tx_ring->desc) { 101b3969fd7SSudheer Mogilappagari /* If packet counter has not changed the queue is 102b3969fd7SSudheer Mogilappagari * likely stalled, so force an interrupt for this 103b3969fd7SSudheer Mogilappagari * queue. 104b3969fd7SSudheer Mogilappagari * 105b3969fd7SSudheer Mogilappagari * prev_pkt would be negative if there was no 106b3969fd7SSudheer Mogilappagari * pending work. 107b3969fd7SSudheer Mogilappagari */ 108b3969fd7SSudheer Mogilappagari packets = tx_ring->stats.pkts & INT_MAX; 109b3969fd7SSudheer Mogilappagari if (tx_ring->tx_stats.prev_pkt == packets) { 110b3969fd7SSudheer Mogilappagari /* Trigger sw interrupt to revive the queue */ 111e89e899fSBrett Creeley ice_trigger_sw_intr(hw, tx_ring->q_vector); 112b3969fd7SSudheer Mogilappagari continue; 113b3969fd7SSudheer Mogilappagari } 114b3969fd7SSudheer Mogilappagari 115b3969fd7SSudheer Mogilappagari /* Memory barrier between read of packet count and call 116b3969fd7SSudheer Mogilappagari * to ice_get_tx_pending() 117b3969fd7SSudheer Mogilappagari */ 118b3969fd7SSudheer Mogilappagari smp_rmb(); 119b3969fd7SSudheer Mogilappagari tx_ring->tx_stats.prev_pkt = 120b3969fd7SSudheer Mogilappagari ice_get_tx_pending(tx_ring) ? packets : -1; 121b3969fd7SSudheer Mogilappagari } 122b3969fd7SSudheer Mogilappagari } 123b3969fd7SSudheer Mogilappagari } 124b3969fd7SSudheer Mogilappagari 125b3969fd7SSudheer Mogilappagari /** 126561f4379STony Nguyen * ice_init_mac_fltr - Set initial MAC filters 127561f4379STony Nguyen * @pf: board private structure 128561f4379STony Nguyen * 1292f2da36eSAnirudh Venkataramanan * Set initial set of MAC filters for PF VSI; configure filters for permanent 130561f4379STony Nguyen * address and broadcast address. If an error is encountered, netdevice will be 131561f4379STony Nguyen * unregistered. 132561f4379STony Nguyen */ 133561f4379STony Nguyen static int ice_init_mac_fltr(struct ice_pf *pf) 134561f4379STony Nguyen { 135bbb968e8SAkeem G Abodunrin enum ice_status status; 136561f4379STony Nguyen struct ice_vsi *vsi; 1371b8f15b6SMichal Swiatkowski u8 *perm_addr; 138561f4379STony Nguyen 139208ff751SAnirudh Venkataramanan vsi = ice_get_main_vsi(pf); 140561f4379STony Nguyen if (!vsi) 141561f4379STony Nguyen return -EINVAL; 142561f4379STony Nguyen 1431b8f15b6SMichal Swiatkowski perm_addr = vsi->port_info->mac.perm_addr; 1441b8f15b6SMichal Swiatkowski status = ice_fltr_add_mac_and_broadcast(vsi, perm_addr, ICE_FWD_TO_VSI); 1451e23f076SAnirudh Venkataramanan if (status) 146bbb968e8SAkeem G Abodunrin return -EIO; 1471e23f076SAnirudh Venkataramanan 1481e23f076SAnirudh Venkataramanan return 0; 149561f4379STony Nguyen } 150561f4379STony Nguyen 151561f4379STony Nguyen /** 152f9867df6SAnirudh Venkataramanan * ice_add_mac_to_sync_list - creates list of MAC addresses to be synced 153e94d4478SAnirudh Venkataramanan * @netdev: the net device on which the sync is happening 154f9867df6SAnirudh Venkataramanan * @addr: MAC address to sync 155e94d4478SAnirudh Venkataramanan * 156e94d4478SAnirudh Venkataramanan * This is a callback function which is called by the in kernel device sync 157e94d4478SAnirudh Venkataramanan * functions (like __dev_uc_sync, __dev_mc_sync, etc). This function only 158e94d4478SAnirudh Venkataramanan * populates the tmp_sync_list, which is later used by ice_add_mac to add the 159f9867df6SAnirudh Venkataramanan * MAC filters from the hardware. 160e94d4478SAnirudh Venkataramanan */ 161e94d4478SAnirudh Venkataramanan static int ice_add_mac_to_sync_list(struct net_device *netdev, const u8 *addr) 162e94d4478SAnirudh Venkataramanan { 163e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 164e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 165e94d4478SAnirudh Venkataramanan 1661b8f15b6SMichal Swiatkowski if (ice_fltr_add_mac_to_list(vsi, &vsi->tmp_sync_list, addr, 1671b8f15b6SMichal Swiatkowski ICE_FWD_TO_VSI)) 168e94d4478SAnirudh Venkataramanan return -EINVAL; 169e94d4478SAnirudh Venkataramanan 170e94d4478SAnirudh Venkataramanan return 0; 171e94d4478SAnirudh Venkataramanan } 172e94d4478SAnirudh Venkataramanan 173e94d4478SAnirudh Venkataramanan /** 174f9867df6SAnirudh Venkataramanan * ice_add_mac_to_unsync_list - creates list of MAC addresses to be unsynced 175e94d4478SAnirudh Venkataramanan * @netdev: the net device on which the unsync is happening 176f9867df6SAnirudh Venkataramanan * @addr: MAC address to unsync 177e94d4478SAnirudh Venkataramanan * 178e94d4478SAnirudh Venkataramanan * This is a callback function which is called by the in kernel device unsync 179e94d4478SAnirudh Venkataramanan * functions (like __dev_uc_unsync, __dev_mc_unsync, etc). This function only 180e94d4478SAnirudh Venkataramanan * populates the tmp_unsync_list, which is later used by ice_remove_mac to 181f9867df6SAnirudh Venkataramanan * delete the MAC filters from the hardware. 182e94d4478SAnirudh Venkataramanan */ 183e94d4478SAnirudh Venkataramanan static int ice_add_mac_to_unsync_list(struct net_device *netdev, const u8 *addr) 184e94d4478SAnirudh Venkataramanan { 185e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 186e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 187e94d4478SAnirudh Venkataramanan 1881b8f15b6SMichal Swiatkowski if (ice_fltr_add_mac_to_list(vsi, &vsi->tmp_unsync_list, addr, 1891b8f15b6SMichal Swiatkowski ICE_FWD_TO_VSI)) 190e94d4478SAnirudh Venkataramanan return -EINVAL; 191e94d4478SAnirudh Venkataramanan 192e94d4478SAnirudh Venkataramanan return 0; 193e94d4478SAnirudh Venkataramanan } 194e94d4478SAnirudh Venkataramanan 195e94d4478SAnirudh Venkataramanan /** 196e94d4478SAnirudh Venkataramanan * ice_vsi_fltr_changed - check if filter state changed 197e94d4478SAnirudh Venkataramanan * @vsi: VSI to be checked 198e94d4478SAnirudh Venkataramanan * 199e94d4478SAnirudh Venkataramanan * returns true if filter state has changed, false otherwise. 200e94d4478SAnirudh Venkataramanan */ 201e94d4478SAnirudh Venkataramanan static bool ice_vsi_fltr_changed(struct ice_vsi *vsi) 202e94d4478SAnirudh Venkataramanan { 203e97fb1aeSAnirudh Venkataramanan return test_bit(ICE_VSI_UMAC_FLTR_CHANGED, vsi->state) || 204e97fb1aeSAnirudh Venkataramanan test_bit(ICE_VSI_MMAC_FLTR_CHANGED, vsi->state) || 205e97fb1aeSAnirudh Venkataramanan test_bit(ICE_VSI_VLAN_FLTR_CHANGED, vsi->state); 206e94d4478SAnirudh Venkataramanan } 207e94d4478SAnirudh Venkataramanan 208e94d4478SAnirudh Venkataramanan /** 2095eda8afdSAkeem G Abodunrin * ice_cfg_promisc - Enable or disable promiscuous mode for a given PF 2105eda8afdSAkeem G Abodunrin * @vsi: the VSI being configured 2115eda8afdSAkeem G Abodunrin * @promisc_m: mask of promiscuous config bits 2125eda8afdSAkeem G Abodunrin * @set_promisc: enable or disable promisc flag request 2135eda8afdSAkeem G Abodunrin * 2145eda8afdSAkeem G Abodunrin */ 2155eda8afdSAkeem G Abodunrin static int ice_cfg_promisc(struct ice_vsi *vsi, u8 promisc_m, bool set_promisc) 2165eda8afdSAkeem G Abodunrin { 2175eda8afdSAkeem G Abodunrin struct ice_hw *hw = &vsi->back->hw; 2185eda8afdSAkeem G Abodunrin enum ice_status status = 0; 2195eda8afdSAkeem G Abodunrin 2205eda8afdSAkeem G Abodunrin if (vsi->type != ICE_VSI_PF) 2215eda8afdSAkeem G Abodunrin return 0; 2225eda8afdSAkeem G Abodunrin 223bcf68ea1SNick Nunley if (vsi->num_vlan > 1) { 2245eda8afdSAkeem G Abodunrin status = ice_set_vlan_vsi_promisc(hw, vsi->idx, promisc_m, 2255eda8afdSAkeem G Abodunrin set_promisc); 2265eda8afdSAkeem G Abodunrin } else { 2275eda8afdSAkeem G Abodunrin if (set_promisc) 2285eda8afdSAkeem G Abodunrin status = ice_set_vsi_promisc(hw, vsi->idx, promisc_m, 2295eda8afdSAkeem G Abodunrin 0); 2305eda8afdSAkeem G Abodunrin else 2315eda8afdSAkeem G Abodunrin status = ice_clear_vsi_promisc(hw, vsi->idx, promisc_m, 2325eda8afdSAkeem G Abodunrin 0); 2335eda8afdSAkeem G Abodunrin } 2345eda8afdSAkeem G Abodunrin 2355eda8afdSAkeem G Abodunrin if (status) 2365eda8afdSAkeem G Abodunrin return -EIO; 2375eda8afdSAkeem G Abodunrin 2385eda8afdSAkeem G Abodunrin return 0; 2395eda8afdSAkeem G Abodunrin } 2405eda8afdSAkeem G Abodunrin 2415eda8afdSAkeem G Abodunrin /** 242e94d4478SAnirudh Venkataramanan * ice_vsi_sync_fltr - Update the VSI filter list to the HW 243e94d4478SAnirudh Venkataramanan * @vsi: ptr to the VSI 244e94d4478SAnirudh Venkataramanan * 245e94d4478SAnirudh Venkataramanan * Push any outstanding VSI filter changes through the AdminQ. 246e94d4478SAnirudh Venkataramanan */ 247e94d4478SAnirudh Venkataramanan static int ice_vsi_sync_fltr(struct ice_vsi *vsi) 248e94d4478SAnirudh Venkataramanan { 2499a946843SAnirudh Venkataramanan struct device *dev = ice_pf_to_dev(vsi->back); 250e94d4478SAnirudh Venkataramanan struct net_device *netdev = vsi->netdev; 251e94d4478SAnirudh Venkataramanan bool promisc_forced_on = false; 252e94d4478SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 253e94d4478SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 254e94d4478SAnirudh Venkataramanan enum ice_status status = 0; 255e94d4478SAnirudh Venkataramanan u32 changed_flags = 0; 2565eda8afdSAkeem G Abodunrin u8 promisc_m; 257e94d4478SAnirudh Venkataramanan int err = 0; 258e94d4478SAnirudh Venkataramanan 259e94d4478SAnirudh Venkataramanan if (!vsi->netdev) 260e94d4478SAnirudh Venkataramanan return -EINVAL; 261e94d4478SAnirudh Venkataramanan 2627e408e07SAnirudh Venkataramanan while (test_and_set_bit(ICE_CFG_BUSY, vsi->state)) 263e94d4478SAnirudh Venkataramanan usleep_range(1000, 2000); 264e94d4478SAnirudh Venkataramanan 265e94d4478SAnirudh Venkataramanan changed_flags = vsi->current_netdev_flags ^ vsi->netdev->flags; 266e94d4478SAnirudh Venkataramanan vsi->current_netdev_flags = vsi->netdev->flags; 267e94d4478SAnirudh Venkataramanan 268e94d4478SAnirudh Venkataramanan INIT_LIST_HEAD(&vsi->tmp_sync_list); 269e94d4478SAnirudh Venkataramanan INIT_LIST_HEAD(&vsi->tmp_unsync_list); 270e94d4478SAnirudh Venkataramanan 271e94d4478SAnirudh Venkataramanan if (ice_vsi_fltr_changed(vsi)) { 272e97fb1aeSAnirudh Venkataramanan clear_bit(ICE_VSI_UMAC_FLTR_CHANGED, vsi->state); 273e97fb1aeSAnirudh Venkataramanan clear_bit(ICE_VSI_MMAC_FLTR_CHANGED, vsi->state); 274e97fb1aeSAnirudh Venkataramanan clear_bit(ICE_VSI_VLAN_FLTR_CHANGED, vsi->state); 275e94d4478SAnirudh Venkataramanan 276e94d4478SAnirudh Venkataramanan /* grab the netdev's addr_list_lock */ 277e94d4478SAnirudh Venkataramanan netif_addr_lock_bh(netdev); 278e94d4478SAnirudh Venkataramanan __dev_uc_sync(netdev, ice_add_mac_to_sync_list, 279e94d4478SAnirudh Venkataramanan ice_add_mac_to_unsync_list); 280e94d4478SAnirudh Venkataramanan __dev_mc_sync(netdev, ice_add_mac_to_sync_list, 281e94d4478SAnirudh Venkataramanan ice_add_mac_to_unsync_list); 282e94d4478SAnirudh Venkataramanan /* our temp lists are populated. release lock */ 283e94d4478SAnirudh Venkataramanan netif_addr_unlock_bh(netdev); 284e94d4478SAnirudh Venkataramanan } 285e94d4478SAnirudh Venkataramanan 286f9867df6SAnirudh Venkataramanan /* Remove MAC addresses in the unsync list */ 2871b8f15b6SMichal Swiatkowski status = ice_fltr_remove_mac_list(vsi, &vsi->tmp_unsync_list); 2881b8f15b6SMichal Swiatkowski ice_fltr_free_list(dev, &vsi->tmp_unsync_list); 289e94d4478SAnirudh Venkataramanan if (status) { 290e94d4478SAnirudh Venkataramanan netdev_err(netdev, "Failed to delete MAC filters\n"); 291e94d4478SAnirudh Venkataramanan /* if we failed because of alloc failures, just bail */ 292e94d4478SAnirudh Venkataramanan if (status == ICE_ERR_NO_MEMORY) { 293e94d4478SAnirudh Venkataramanan err = -ENOMEM; 294e94d4478SAnirudh Venkataramanan goto out; 295e94d4478SAnirudh Venkataramanan } 296e94d4478SAnirudh Venkataramanan } 297e94d4478SAnirudh Venkataramanan 298f9867df6SAnirudh Venkataramanan /* Add MAC addresses in the sync list */ 2991b8f15b6SMichal Swiatkowski status = ice_fltr_add_mac_list(vsi, &vsi->tmp_sync_list); 3001b8f15b6SMichal Swiatkowski ice_fltr_free_list(dev, &vsi->tmp_sync_list); 30189f3e4a5SPreethi Banala /* If filter is added successfully or already exists, do not go into 30289f3e4a5SPreethi Banala * 'if' condition and report it as error. Instead continue processing 30389f3e4a5SPreethi Banala * rest of the function. 30489f3e4a5SPreethi Banala */ 30589f3e4a5SPreethi Banala if (status && status != ICE_ERR_ALREADY_EXISTS) { 306e94d4478SAnirudh Venkataramanan netdev_err(netdev, "Failed to add MAC filters\n"); 307f9867df6SAnirudh Venkataramanan /* If there is no more space for new umac filters, VSI 308e94d4478SAnirudh Venkataramanan * should go into promiscuous mode. There should be some 309e94d4478SAnirudh Venkataramanan * space reserved for promiscuous filters. 310e94d4478SAnirudh Venkataramanan */ 311e94d4478SAnirudh Venkataramanan if (hw->adminq.sq_last_status == ICE_AQ_RC_ENOSPC && 3127e408e07SAnirudh Venkataramanan !test_and_set_bit(ICE_FLTR_OVERFLOW_PROMISC, 313e94d4478SAnirudh Venkataramanan vsi->state)) { 314e94d4478SAnirudh Venkataramanan promisc_forced_on = true; 31519cce2c6SAnirudh Venkataramanan netdev_warn(netdev, "Reached MAC filter limit, forcing promisc mode on VSI %d\n", 316e94d4478SAnirudh Venkataramanan vsi->vsi_num); 317e94d4478SAnirudh Venkataramanan } else { 318e94d4478SAnirudh Venkataramanan err = -EIO; 319e94d4478SAnirudh Venkataramanan goto out; 320e94d4478SAnirudh Venkataramanan } 321e94d4478SAnirudh Venkataramanan } 322e94d4478SAnirudh Venkataramanan /* check for changes in promiscuous modes */ 3235eda8afdSAkeem G Abodunrin if (changed_flags & IFF_ALLMULTI) { 3245eda8afdSAkeem G Abodunrin if (vsi->current_netdev_flags & IFF_ALLMULTI) { 325bcf68ea1SNick Nunley if (vsi->num_vlan > 1) 3265eda8afdSAkeem G Abodunrin promisc_m = ICE_MCAST_VLAN_PROMISC_BITS; 3275eda8afdSAkeem G Abodunrin else 3285eda8afdSAkeem G Abodunrin promisc_m = ICE_MCAST_PROMISC_BITS; 3295eda8afdSAkeem G Abodunrin 3305eda8afdSAkeem G Abodunrin err = ice_cfg_promisc(vsi, promisc_m, true); 3315eda8afdSAkeem G Abodunrin if (err) { 3325eda8afdSAkeem G Abodunrin netdev_err(netdev, "Error setting Multicast promiscuous mode on VSI %i\n", 3335eda8afdSAkeem G Abodunrin vsi->vsi_num); 3345eda8afdSAkeem G Abodunrin vsi->current_netdev_flags &= ~IFF_ALLMULTI; 3355eda8afdSAkeem G Abodunrin goto out_promisc; 3365eda8afdSAkeem G Abodunrin } 33792ace482SBruce Allan } else { 33892ace482SBruce Allan /* !(vsi->current_netdev_flags & IFF_ALLMULTI) */ 339bcf68ea1SNick Nunley if (vsi->num_vlan > 1) 3405eda8afdSAkeem G Abodunrin promisc_m = ICE_MCAST_VLAN_PROMISC_BITS; 3415eda8afdSAkeem G Abodunrin else 3425eda8afdSAkeem G Abodunrin promisc_m = ICE_MCAST_PROMISC_BITS; 3435eda8afdSAkeem G Abodunrin 3445eda8afdSAkeem G Abodunrin err = ice_cfg_promisc(vsi, promisc_m, false); 3455eda8afdSAkeem G Abodunrin if (err) { 3465eda8afdSAkeem G Abodunrin netdev_err(netdev, "Error clearing Multicast promiscuous mode on VSI %i\n", 3475eda8afdSAkeem G Abodunrin vsi->vsi_num); 3485eda8afdSAkeem G Abodunrin vsi->current_netdev_flags |= IFF_ALLMULTI; 3495eda8afdSAkeem G Abodunrin goto out_promisc; 3505eda8afdSAkeem G Abodunrin } 3515eda8afdSAkeem G Abodunrin } 3525eda8afdSAkeem G Abodunrin } 353e94d4478SAnirudh Venkataramanan 354e94d4478SAnirudh Venkataramanan if (((changed_flags & IFF_PROMISC) || promisc_forced_on) || 355e97fb1aeSAnirudh Venkataramanan test_bit(ICE_VSI_PROMISC_CHANGED, vsi->state)) { 356e97fb1aeSAnirudh Venkataramanan clear_bit(ICE_VSI_PROMISC_CHANGED, vsi->state); 357e94d4478SAnirudh Venkataramanan if (vsi->current_netdev_flags & IFF_PROMISC) { 358f9867df6SAnirudh Venkataramanan /* Apply Rx filter rule to get traffic from wire */ 359fc0f39bcSBrett Creeley if (!ice_is_dflt_vsi_in_use(pf->first_sw)) { 360fc0f39bcSBrett Creeley err = ice_set_dflt_vsi(pf->first_sw, vsi); 361fc0f39bcSBrett Creeley if (err && err != -EEXIST) { 36219cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Error %d setting default VSI %i Rx rule\n", 363fc0f39bcSBrett Creeley err, vsi->vsi_num); 364fc0f39bcSBrett Creeley vsi->current_netdev_flags &= 365fc0f39bcSBrett Creeley ~IFF_PROMISC; 366e94d4478SAnirudh Venkataramanan goto out_promisc; 367e94d4478SAnirudh Venkataramanan } 36868d210a6SNick Nunley ice_cfg_vlan_pruning(vsi, false, false); 369fc0f39bcSBrett Creeley } 370e94d4478SAnirudh Venkataramanan } else { 371f9867df6SAnirudh Venkataramanan /* Clear Rx filter to remove traffic from wire */ 372fc0f39bcSBrett Creeley if (ice_is_vsi_dflt_vsi(pf->first_sw, vsi)) { 373fc0f39bcSBrett Creeley err = ice_clear_dflt_vsi(pf->first_sw); 374fc0f39bcSBrett Creeley if (err) { 37519cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Error %d clearing default VSI %i Rx rule\n", 376fc0f39bcSBrett Creeley err, vsi->vsi_num); 377fc0f39bcSBrett Creeley vsi->current_netdev_flags |= 378fc0f39bcSBrett Creeley IFF_PROMISC; 379e94d4478SAnirudh Venkataramanan goto out_promisc; 380e94d4478SAnirudh Venkataramanan } 38168d210a6SNick Nunley if (vsi->num_vlan > 1) 38268d210a6SNick Nunley ice_cfg_vlan_pruning(vsi, true, false); 383e94d4478SAnirudh Venkataramanan } 384e94d4478SAnirudh Venkataramanan } 385fc0f39bcSBrett Creeley } 386e94d4478SAnirudh Venkataramanan goto exit; 387e94d4478SAnirudh Venkataramanan 388e94d4478SAnirudh Venkataramanan out_promisc: 389e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_PROMISC_CHANGED, vsi->state); 390e94d4478SAnirudh Venkataramanan goto exit; 391e94d4478SAnirudh Venkataramanan out: 392e94d4478SAnirudh Venkataramanan /* if something went wrong then set the changed flag so we try again */ 393e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_UMAC_FLTR_CHANGED, vsi->state); 394e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_MMAC_FLTR_CHANGED, vsi->state); 395e94d4478SAnirudh Venkataramanan exit: 3967e408e07SAnirudh Venkataramanan clear_bit(ICE_CFG_BUSY, vsi->state); 397e94d4478SAnirudh Venkataramanan return err; 398e94d4478SAnirudh Venkataramanan } 399e94d4478SAnirudh Venkataramanan 400e94d4478SAnirudh Venkataramanan /** 401e94d4478SAnirudh Venkataramanan * ice_sync_fltr_subtask - Sync the VSI filter list with HW 402e94d4478SAnirudh Venkataramanan * @pf: board private structure 403e94d4478SAnirudh Venkataramanan */ 404e94d4478SAnirudh Venkataramanan static void ice_sync_fltr_subtask(struct ice_pf *pf) 405e94d4478SAnirudh Venkataramanan { 406e94d4478SAnirudh Venkataramanan int v; 407e94d4478SAnirudh Venkataramanan 408e94d4478SAnirudh Venkataramanan if (!pf || !(test_bit(ICE_FLAG_FLTR_SYNC, pf->flags))) 409e94d4478SAnirudh Venkataramanan return; 410e94d4478SAnirudh Venkataramanan 411e94d4478SAnirudh Venkataramanan clear_bit(ICE_FLAG_FLTR_SYNC, pf->flags); 412e94d4478SAnirudh Venkataramanan 41380ed404aSBrett Creeley ice_for_each_vsi(pf, v) 414e94d4478SAnirudh Venkataramanan if (pf->vsi[v] && ice_vsi_fltr_changed(pf->vsi[v]) && 415e94d4478SAnirudh Venkataramanan ice_vsi_sync_fltr(pf->vsi[v])) { 416e94d4478SAnirudh Venkataramanan /* come back and try again later */ 417e94d4478SAnirudh Venkataramanan set_bit(ICE_FLAG_FLTR_SYNC, pf->flags); 418e94d4478SAnirudh Venkataramanan break; 419e94d4478SAnirudh Venkataramanan } 420e94d4478SAnirudh Venkataramanan } 421e94d4478SAnirudh Venkataramanan 422e94d4478SAnirudh Venkataramanan /** 4237b9ffc76SAnirudh Venkataramanan * ice_pf_dis_all_vsi - Pause all VSIs on a PF 4247b9ffc76SAnirudh Venkataramanan * @pf: the PF 4257b9ffc76SAnirudh Venkataramanan * @locked: is the rtnl_lock already held 4267b9ffc76SAnirudh Venkataramanan */ 4277b9ffc76SAnirudh Venkataramanan static void ice_pf_dis_all_vsi(struct ice_pf *pf, bool locked) 4287b9ffc76SAnirudh Venkataramanan { 429b126bd6bSKiran Patil int node; 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); 435b126bd6bSKiran Patil 436b126bd6bSKiran Patil for (node = 0; node < ICE_MAX_PF_AGG_NODES; node++) 437b126bd6bSKiran Patil pf->pf_agg_node[node].num_vsis = 0; 438b126bd6bSKiran Patil 439b126bd6bSKiran Patil for (node = 0; node < ICE_MAX_VF_AGG_NODES; node++) 440b126bd6bSKiran Patil pf->vf_agg_node[node].num_vsis = 0; 4417b9ffc76SAnirudh Venkataramanan } 4427b9ffc76SAnirudh Venkataramanan 4437b9ffc76SAnirudh Venkataramanan /** 4440b28b702SAnirudh Venkataramanan * ice_prepare_for_reset - prep for the core to reset 4450b28b702SAnirudh Venkataramanan * @pf: board private structure 4460b28b702SAnirudh Venkataramanan * 4470b28b702SAnirudh Venkataramanan * Inform or close all dependent features in prep for reset. 4480b28b702SAnirudh Venkataramanan */ 4490b28b702SAnirudh Venkataramanan static void 4500b28b702SAnirudh Venkataramanan ice_prepare_for_reset(struct ice_pf *pf) 4510b28b702SAnirudh Venkataramanan { 4520b28b702SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 453c1e08830SJesse Brandeburg unsigned int i; 4540b28b702SAnirudh Venkataramanan 4555abac9d7SBrett Creeley /* already prepared for reset */ 4567e408e07SAnirudh Venkataramanan if (test_bit(ICE_PREPARED_FOR_RESET, pf->state)) 4575abac9d7SBrett Creeley return; 4585abac9d7SBrett Creeley 459f9f5301eSDave Ertman ice_unplug_aux_dev(pf); 460f9f5301eSDave Ertman 461007676b4SAnirudh Venkataramanan /* Notify VFs of impending reset */ 462007676b4SAnirudh Venkataramanan if (ice_check_sq_alive(hw, &hw->mailboxq)) 463007676b4SAnirudh Venkataramanan ice_vc_notify_reset(pf); 464007676b4SAnirudh Venkataramanan 465c7aeb4d1SAkeem G Abodunrin /* Disable VFs until reset is completed */ 466005881bcSBrett Creeley ice_for_each_vf(pf, i) 46777ca27c4SPaul Greenwalt ice_set_vf_state_qs_dis(&pf->vf[i]); 468c7aeb4d1SAkeem G Abodunrin 469462acf6aSTony Nguyen /* clear SW filtering DB */ 470462acf6aSTony Nguyen ice_clear_hw_tbls(hw); 4710b28b702SAnirudh Venkataramanan /* disable the VSIs and their queues that are not already DOWN */ 4727b9ffc76SAnirudh Venkataramanan ice_pf_dis_all_vsi(pf, false); 4730b28b702SAnirudh Venkataramanan 47406c16d89SJacob Keller if (test_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags)) 47506c16d89SJacob Keller ice_ptp_release(pf); 47606c16d89SJacob Keller 477c5a2a4a3SUsha Ketineni if (hw->port_info) 478c5a2a4a3SUsha Ketineni ice_sched_clear_port(hw->port_info); 479c5a2a4a3SUsha Ketineni 4800b28b702SAnirudh Venkataramanan ice_shutdown_all_ctrlq(hw); 4810f9d5027SAnirudh Venkataramanan 4827e408e07SAnirudh Venkataramanan set_bit(ICE_PREPARED_FOR_RESET, pf->state); 4830b28b702SAnirudh Venkataramanan } 4840b28b702SAnirudh Venkataramanan 4850b28b702SAnirudh Venkataramanan /** 4860b28b702SAnirudh Venkataramanan * ice_do_reset - Initiate one of many types of resets 4870b28b702SAnirudh Venkataramanan * @pf: board private structure 4880b28b702SAnirudh Venkataramanan * @reset_type: reset type requested 4890b28b702SAnirudh Venkataramanan * before this function was called. 4900b28b702SAnirudh Venkataramanan */ 4910b28b702SAnirudh Venkataramanan static void ice_do_reset(struct ice_pf *pf, enum ice_reset_req reset_type) 4920b28b702SAnirudh Venkataramanan { 4934015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 4940b28b702SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 4950b28b702SAnirudh Venkataramanan 4960b28b702SAnirudh Venkataramanan dev_dbg(dev, "reset_type 0x%x requested\n", reset_type); 4970b28b702SAnirudh Venkataramanan 4980b28b702SAnirudh Venkataramanan ice_prepare_for_reset(pf); 4990b28b702SAnirudh Venkataramanan 5000b28b702SAnirudh Venkataramanan /* trigger the reset */ 5010b28b702SAnirudh Venkataramanan if (ice_reset(hw, reset_type)) { 5020b28b702SAnirudh Venkataramanan dev_err(dev, "reset %d failed\n", reset_type); 5037e408e07SAnirudh Venkataramanan set_bit(ICE_RESET_FAILED, pf->state); 5047e408e07SAnirudh Venkataramanan clear_bit(ICE_RESET_OICR_RECV, pf->state); 5057e408e07SAnirudh Venkataramanan clear_bit(ICE_PREPARED_FOR_RESET, pf->state); 5067e408e07SAnirudh Venkataramanan clear_bit(ICE_PFR_REQ, pf->state); 5077e408e07SAnirudh Venkataramanan clear_bit(ICE_CORER_REQ, pf->state); 5087e408e07SAnirudh Venkataramanan clear_bit(ICE_GLOBR_REQ, pf->state); 5091c08052eSJacob Keller wake_up(&pf->reset_wait_queue); 5100b28b702SAnirudh Venkataramanan return; 5110b28b702SAnirudh Venkataramanan } 5120b28b702SAnirudh Venkataramanan 5130f9d5027SAnirudh Venkataramanan /* PFR is a bit of a special case because it doesn't result in an OICR 5140f9d5027SAnirudh Venkataramanan * interrupt. So for PFR, rebuild after the reset and clear the reset- 5150f9d5027SAnirudh Venkataramanan * associated state bits. 5160f9d5027SAnirudh Venkataramanan */ 5170b28b702SAnirudh Venkataramanan if (reset_type == ICE_RESET_PFR) { 5180b28b702SAnirudh Venkataramanan pf->pfr_count++; 519462acf6aSTony Nguyen ice_rebuild(pf, reset_type); 5207e408e07SAnirudh Venkataramanan clear_bit(ICE_PREPARED_FOR_RESET, pf->state); 5217e408e07SAnirudh Venkataramanan clear_bit(ICE_PFR_REQ, pf->state); 5221c08052eSJacob Keller wake_up(&pf->reset_wait_queue); 5231c44e3bcSAkeem G Abodunrin ice_reset_all_vfs(pf, true); 5240b28b702SAnirudh Venkataramanan } 5250b28b702SAnirudh Venkataramanan } 5260b28b702SAnirudh Venkataramanan 5270b28b702SAnirudh Venkataramanan /** 5280b28b702SAnirudh Venkataramanan * ice_reset_subtask - Set up for resetting the device and driver 5290b28b702SAnirudh Venkataramanan * @pf: board private structure 5300b28b702SAnirudh Venkataramanan */ 5310b28b702SAnirudh Venkataramanan static void ice_reset_subtask(struct ice_pf *pf) 5320b28b702SAnirudh Venkataramanan { 5330f9d5027SAnirudh Venkataramanan enum ice_reset_req reset_type = ICE_RESET_INVAL; 5340b28b702SAnirudh Venkataramanan 5350b28b702SAnirudh Venkataramanan /* When a CORER/GLOBR/EMPR is about to happen, the hardware triggers an 5360f9d5027SAnirudh Venkataramanan * OICR interrupt. The OICR handler (ice_misc_intr) determines what type 5370f9d5027SAnirudh Venkataramanan * of reset is pending and sets bits in pf->state indicating the reset 5387e408e07SAnirudh Venkataramanan * type and ICE_RESET_OICR_RECV. So, if the latter bit is set 5390f9d5027SAnirudh Venkataramanan * prepare for pending reset if not already (for PF software-initiated 5400f9d5027SAnirudh Venkataramanan * global resets the software should already be prepared for it as 5417e408e07SAnirudh Venkataramanan * indicated by ICE_PREPARED_FOR_RESET; for global resets initiated 5420f9d5027SAnirudh Venkataramanan * by firmware or software on other PFs, that bit is not set so prepare 5430f9d5027SAnirudh Venkataramanan * for the reset now), poll for reset done, rebuild and return. 5440b28b702SAnirudh Venkataramanan */ 5457e408e07SAnirudh Venkataramanan if (test_bit(ICE_RESET_OICR_RECV, pf->state)) { 5462ebd4428SDave Ertman /* Perform the largest reset requested */ 5477e408e07SAnirudh Venkataramanan if (test_and_clear_bit(ICE_CORER_RECV, pf->state)) 5482ebd4428SDave Ertman reset_type = ICE_RESET_CORER; 5497e408e07SAnirudh Venkataramanan if (test_and_clear_bit(ICE_GLOBR_RECV, pf->state)) 5502ebd4428SDave Ertman reset_type = ICE_RESET_GLOBR; 5517e408e07SAnirudh Venkataramanan if (test_and_clear_bit(ICE_EMPR_RECV, pf->state)) 55203af8406SAnirudh Venkataramanan reset_type = ICE_RESET_EMPR; 5532ebd4428SDave Ertman /* return if no valid reset type requested */ 5542ebd4428SDave Ertman if (reset_type == ICE_RESET_INVAL) 5552ebd4428SDave Ertman return; 5560b28b702SAnirudh Venkataramanan ice_prepare_for_reset(pf); 5570b28b702SAnirudh Venkataramanan 5580b28b702SAnirudh Venkataramanan /* make sure we are ready to rebuild */ 559fd2a9817SAnirudh Venkataramanan if (ice_check_reset(&pf->hw)) { 5607e408e07SAnirudh Venkataramanan set_bit(ICE_RESET_FAILED, pf->state); 561fd2a9817SAnirudh Venkataramanan } else { 562fd2a9817SAnirudh Venkataramanan /* done with reset. start rebuild */ 563fd2a9817SAnirudh Venkataramanan pf->hw.reset_ongoing = false; 564462acf6aSTony Nguyen ice_rebuild(pf, reset_type); 5650f9d5027SAnirudh Venkataramanan /* clear bit to resume normal operations, but 5660f9d5027SAnirudh Venkataramanan * ICE_NEEDS_RESTART bit is set in case rebuild failed 5670f9d5027SAnirudh Venkataramanan */ 5687e408e07SAnirudh Venkataramanan clear_bit(ICE_RESET_OICR_RECV, pf->state); 5697e408e07SAnirudh Venkataramanan clear_bit(ICE_PREPARED_FOR_RESET, pf->state); 5707e408e07SAnirudh Venkataramanan clear_bit(ICE_PFR_REQ, pf->state); 5717e408e07SAnirudh Venkataramanan clear_bit(ICE_CORER_REQ, pf->state); 5727e408e07SAnirudh Venkataramanan clear_bit(ICE_GLOBR_REQ, pf->state); 5731c08052eSJacob Keller wake_up(&pf->reset_wait_queue); 5741c44e3bcSAkeem G Abodunrin ice_reset_all_vfs(pf, true); 5750f9d5027SAnirudh Venkataramanan } 5760f9d5027SAnirudh Venkataramanan 5770f9d5027SAnirudh Venkataramanan return; 5780b28b702SAnirudh Venkataramanan } 5790b28b702SAnirudh Venkataramanan 5800b28b702SAnirudh Venkataramanan /* No pending resets to finish processing. Check for new resets */ 5817e408e07SAnirudh Venkataramanan if (test_bit(ICE_PFR_REQ, pf->state)) 5820f9d5027SAnirudh Venkataramanan reset_type = ICE_RESET_PFR; 5837e408e07SAnirudh Venkataramanan if (test_bit(ICE_CORER_REQ, pf->state)) 5840f9d5027SAnirudh Venkataramanan reset_type = ICE_RESET_CORER; 5857e408e07SAnirudh Venkataramanan if (test_bit(ICE_GLOBR_REQ, pf->state)) 5860b28b702SAnirudh Venkataramanan reset_type = ICE_RESET_GLOBR; 5870f9d5027SAnirudh Venkataramanan /* If no valid reset type requested just return */ 5880f9d5027SAnirudh Venkataramanan if (reset_type == ICE_RESET_INVAL) 5890f9d5027SAnirudh Venkataramanan return; 5900b28b702SAnirudh Venkataramanan 5910f9d5027SAnirudh Venkataramanan /* reset if not already down or busy */ 5927e408e07SAnirudh Venkataramanan if (!test_bit(ICE_DOWN, pf->state) && 5937e408e07SAnirudh Venkataramanan !test_bit(ICE_CFG_BUSY, pf->state)) { 5940b28b702SAnirudh Venkataramanan ice_do_reset(pf, reset_type); 5950b28b702SAnirudh Venkataramanan } 5960b28b702SAnirudh Venkataramanan } 5970b28b702SAnirudh Venkataramanan 5980b28b702SAnirudh Venkataramanan /** 5992e0ab37cSJesse Brandeburg * ice_print_topo_conflict - print topology conflict message 6002e0ab37cSJesse Brandeburg * @vsi: the VSI whose topology status is being checked 6012e0ab37cSJesse Brandeburg */ 6022e0ab37cSJesse Brandeburg static void ice_print_topo_conflict(struct ice_vsi *vsi) 6032e0ab37cSJesse Brandeburg { 6042e0ab37cSJesse Brandeburg switch (vsi->port_info->phy.link_info.topo_media_conflict) { 6052e0ab37cSJesse Brandeburg case ICE_AQ_LINK_TOPO_CONFLICT: 6062e0ab37cSJesse Brandeburg case ICE_AQ_LINK_MEDIA_CONFLICT: 6075878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNREACH_PRT: 6085878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNDRUTIL_PRT: 6095878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNDRUTIL_MEDIA: 6105c57145aSPaul Greenwalt netdev_info(vsi->netdev, "Potential misconfiguration of the Ethernet port detected. If it was not intended, please use the Intel (R) Ethernet Port Configuration Tool to address the issue.\n"); 6112e0ab37cSJesse Brandeburg break; 6125878589dSPaul Greenwalt case ICE_AQ_LINK_TOPO_UNSUPP_MEDIA: 6135878589dSPaul 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"); 6145878589dSPaul Greenwalt break; 6152e0ab37cSJesse Brandeburg default: 6162e0ab37cSJesse Brandeburg break; 6172e0ab37cSJesse Brandeburg } 6182e0ab37cSJesse Brandeburg } 6192e0ab37cSJesse Brandeburg 6202e0ab37cSJesse Brandeburg /** 621cdedef59SAnirudh Venkataramanan * ice_print_link_msg - print link up or down message 622cdedef59SAnirudh Venkataramanan * @vsi: the VSI whose link status is being queried 623cdedef59SAnirudh Venkataramanan * @isup: boolean for if the link is now up or down 624cdedef59SAnirudh Venkataramanan */ 625fcea6f3dSAnirudh Venkataramanan void ice_print_link_msg(struct ice_vsi *vsi, bool isup) 626cdedef59SAnirudh Venkataramanan { 627f776b3acSPaul Greenwalt struct ice_aqc_get_phy_caps_data *caps; 6285ee30564SPaul Greenwalt const char *an_advertised; 629f776b3acSPaul Greenwalt enum ice_status status; 630f776b3acSPaul Greenwalt const char *fec_req; 631cdedef59SAnirudh Venkataramanan const char *speed; 632f776b3acSPaul Greenwalt const char *fec; 633cdedef59SAnirudh Venkataramanan const char *fc; 63443260988SJesse Brandeburg const char *an; 635cdedef59SAnirudh Venkataramanan 636c2a23e00SBrett Creeley if (!vsi) 637c2a23e00SBrett Creeley return; 638c2a23e00SBrett Creeley 639cdedef59SAnirudh Venkataramanan if (vsi->current_isup == isup) 640cdedef59SAnirudh Venkataramanan return; 641cdedef59SAnirudh Venkataramanan 642cdedef59SAnirudh Venkataramanan vsi->current_isup = isup; 643cdedef59SAnirudh Venkataramanan 644cdedef59SAnirudh Venkataramanan if (!isup) { 645cdedef59SAnirudh Venkataramanan netdev_info(vsi->netdev, "NIC Link is Down\n"); 646cdedef59SAnirudh Venkataramanan return; 647cdedef59SAnirudh Venkataramanan } 648cdedef59SAnirudh Venkataramanan 649cdedef59SAnirudh Venkataramanan switch (vsi->port_info->phy.link_info.link_speed) { 650072efdf8SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_100GB: 651072efdf8SAnirudh Venkataramanan speed = "100 G"; 652072efdf8SAnirudh Venkataramanan break; 653072efdf8SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_50GB: 654072efdf8SAnirudh Venkataramanan speed = "50 G"; 655072efdf8SAnirudh Venkataramanan break; 656cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_40GB: 657cdedef59SAnirudh Venkataramanan speed = "40 G"; 658cdedef59SAnirudh Venkataramanan break; 659cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_25GB: 660cdedef59SAnirudh Venkataramanan speed = "25 G"; 661cdedef59SAnirudh Venkataramanan break; 662cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_20GB: 663cdedef59SAnirudh Venkataramanan speed = "20 G"; 664cdedef59SAnirudh Venkataramanan break; 665cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_10GB: 666cdedef59SAnirudh Venkataramanan speed = "10 G"; 667cdedef59SAnirudh Venkataramanan break; 668cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_5GB: 669cdedef59SAnirudh Venkataramanan speed = "5 G"; 670cdedef59SAnirudh Venkataramanan break; 671cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_2500MB: 672cdedef59SAnirudh Venkataramanan speed = "2.5 G"; 673cdedef59SAnirudh Venkataramanan break; 674cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_1000MB: 675cdedef59SAnirudh Venkataramanan speed = "1 G"; 676cdedef59SAnirudh Venkataramanan break; 677cdedef59SAnirudh Venkataramanan case ICE_AQ_LINK_SPEED_100MB: 678cdedef59SAnirudh Venkataramanan speed = "100 M"; 679cdedef59SAnirudh Venkataramanan break; 680cdedef59SAnirudh Venkataramanan default: 681cdedef59SAnirudh Venkataramanan speed = "Unknown "; 682cdedef59SAnirudh Venkataramanan break; 683cdedef59SAnirudh Venkataramanan } 684cdedef59SAnirudh Venkataramanan 685cdedef59SAnirudh Venkataramanan switch (vsi->port_info->fc.current_mode) { 686cdedef59SAnirudh Venkataramanan case ICE_FC_FULL: 6872f2da36eSAnirudh Venkataramanan fc = "Rx/Tx"; 688cdedef59SAnirudh Venkataramanan break; 689cdedef59SAnirudh Venkataramanan case ICE_FC_TX_PAUSE: 6902f2da36eSAnirudh Venkataramanan fc = "Tx"; 691cdedef59SAnirudh Venkataramanan break; 692cdedef59SAnirudh Venkataramanan case ICE_FC_RX_PAUSE: 6932f2da36eSAnirudh Venkataramanan fc = "Rx"; 694cdedef59SAnirudh Venkataramanan break; 695203a068aSBrett Creeley case ICE_FC_NONE: 696203a068aSBrett Creeley fc = "None"; 697203a068aSBrett Creeley break; 698cdedef59SAnirudh Venkataramanan default: 699cdedef59SAnirudh Venkataramanan fc = "Unknown"; 700cdedef59SAnirudh Venkataramanan break; 701cdedef59SAnirudh Venkataramanan } 702cdedef59SAnirudh Venkataramanan 703f776b3acSPaul Greenwalt /* Get FEC mode based on negotiated link info */ 704f776b3acSPaul Greenwalt switch (vsi->port_info->phy.link_info.fec_info) { 705f776b3acSPaul Greenwalt case ICE_AQ_LINK_25G_RS_528_FEC_EN: 706f776b3acSPaul Greenwalt case ICE_AQ_LINK_25G_RS_544_FEC_EN: 707f776b3acSPaul Greenwalt fec = "RS-FEC"; 708f776b3acSPaul Greenwalt break; 709f776b3acSPaul Greenwalt case ICE_AQ_LINK_25G_KR_FEC_EN: 710f776b3acSPaul Greenwalt fec = "FC-FEC/BASE-R"; 711f776b3acSPaul Greenwalt break; 712f776b3acSPaul Greenwalt default: 713f776b3acSPaul Greenwalt fec = "NONE"; 714f776b3acSPaul Greenwalt break; 715f776b3acSPaul Greenwalt } 716f776b3acSPaul Greenwalt 71743260988SJesse Brandeburg /* check if autoneg completed, might be false due to not supported */ 71843260988SJesse Brandeburg if (vsi->port_info->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) 71943260988SJesse Brandeburg an = "True"; 72043260988SJesse Brandeburg else 72143260988SJesse Brandeburg an = "False"; 72243260988SJesse Brandeburg 723f776b3acSPaul Greenwalt /* Get FEC mode requested based on PHY caps last SW configuration */ 7249efe35d0STony Nguyen caps = kzalloc(sizeof(*caps), GFP_KERNEL); 725f776b3acSPaul Greenwalt if (!caps) { 726f776b3acSPaul Greenwalt fec_req = "Unknown"; 7275ee30564SPaul Greenwalt an_advertised = "Unknown"; 728f776b3acSPaul Greenwalt goto done; 729f776b3acSPaul Greenwalt } 730f776b3acSPaul Greenwalt 731f776b3acSPaul Greenwalt status = ice_aq_get_phy_caps(vsi->port_info, false, 732d6730a87SAnirudh Venkataramanan ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 733f776b3acSPaul Greenwalt if (status) 734f776b3acSPaul Greenwalt netdev_info(vsi->netdev, "Get phy capability failed.\n"); 735f776b3acSPaul Greenwalt 7365ee30564SPaul Greenwalt an_advertised = ice_is_phy_caps_an_enabled(caps) ? "On" : "Off"; 7375ee30564SPaul Greenwalt 738f776b3acSPaul Greenwalt if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 739f776b3acSPaul Greenwalt caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 740f776b3acSPaul Greenwalt fec_req = "RS-FEC"; 741f776b3acSPaul Greenwalt else if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 742f776b3acSPaul Greenwalt caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 743f776b3acSPaul Greenwalt fec_req = "FC-FEC/BASE-R"; 744f776b3acSPaul Greenwalt else 745f776b3acSPaul Greenwalt fec_req = "NONE"; 746f776b3acSPaul Greenwalt 7479efe35d0STony Nguyen kfree(caps); 748f776b3acSPaul Greenwalt 749f776b3acSPaul Greenwalt done: 7505ee30564SPaul 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", 7515ee30564SPaul Greenwalt speed, fec_req, fec, an_advertised, an, fc); 7522e0ab37cSJesse Brandeburg ice_print_topo_conflict(vsi); 753cdedef59SAnirudh Venkataramanan } 754cdedef59SAnirudh Venkataramanan 755cdedef59SAnirudh Venkataramanan /** 756f9867df6SAnirudh Venkataramanan * ice_vsi_link_event - update the VSI's netdev 757f9867df6SAnirudh Venkataramanan * @vsi: the VSI on which the link event occurred 758f9867df6SAnirudh Venkataramanan * @link_up: whether or not the VSI needs to be set up or down 7590b28b702SAnirudh Venkataramanan */ 7600b28b702SAnirudh Venkataramanan static void ice_vsi_link_event(struct ice_vsi *vsi, bool link_up) 7610b28b702SAnirudh Venkataramanan { 762c2a23e00SBrett Creeley if (!vsi) 763c2a23e00SBrett Creeley return; 764c2a23e00SBrett Creeley 765e97fb1aeSAnirudh Venkataramanan if (test_bit(ICE_VSI_DOWN, vsi->state) || !vsi->netdev) 7660b28b702SAnirudh Venkataramanan return; 7670b28b702SAnirudh Venkataramanan 7680b28b702SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF) { 769c2a23e00SBrett Creeley if (link_up == netif_carrier_ok(vsi->netdev)) 7700b28b702SAnirudh Venkataramanan return; 771c2a23e00SBrett Creeley 7720b28b702SAnirudh Venkataramanan if (link_up) { 7730b28b702SAnirudh Venkataramanan netif_carrier_on(vsi->netdev); 7740b28b702SAnirudh Venkataramanan netif_tx_wake_all_queues(vsi->netdev); 7750b28b702SAnirudh Venkataramanan } else { 7760b28b702SAnirudh Venkataramanan netif_carrier_off(vsi->netdev); 7770b28b702SAnirudh Venkataramanan netif_tx_stop_all_queues(vsi->netdev); 7780b28b702SAnirudh Venkataramanan } 7790b28b702SAnirudh Venkataramanan } 7800b28b702SAnirudh Venkataramanan } 7810b28b702SAnirudh Venkataramanan 7820b28b702SAnirudh Venkataramanan /** 7837d9c9b79SDave Ertman * ice_set_dflt_mib - send a default config MIB to the FW 7847d9c9b79SDave Ertman * @pf: private PF struct 7857d9c9b79SDave Ertman * 7867d9c9b79SDave Ertman * This function sends a default configuration MIB to the FW. 7877d9c9b79SDave Ertman * 7887d9c9b79SDave Ertman * If this function errors out at any point, the driver is still able to 7897d9c9b79SDave Ertman * function. The main impact is that LFC may not operate as expected. 7907d9c9b79SDave Ertman * Therefore an error state in this function should be treated with a DBG 7917d9c9b79SDave Ertman * message and continue on with driver rebuild/reenable. 7927d9c9b79SDave Ertman */ 7937d9c9b79SDave Ertman static void ice_set_dflt_mib(struct ice_pf *pf) 7947d9c9b79SDave Ertman { 7957d9c9b79SDave Ertman struct device *dev = ice_pf_to_dev(pf); 7967d9c9b79SDave Ertman u8 mib_type, *buf, *lldpmib = NULL; 7977d9c9b79SDave Ertman u16 len, typelen, offset = 0; 7987d9c9b79SDave Ertman struct ice_lldp_org_tlv *tlv; 79912aae8f1SBruce Allan struct ice_hw *hw = &pf->hw; 8007d9c9b79SDave Ertman u32 ouisubtype; 8017d9c9b79SDave Ertman 8027d9c9b79SDave Ertman mib_type = SET_LOCAL_MIB_TYPE_LOCAL_MIB; 8037d9c9b79SDave Ertman lldpmib = kzalloc(ICE_LLDPDU_SIZE, GFP_KERNEL); 8047d9c9b79SDave Ertman if (!lldpmib) { 8057d9c9b79SDave Ertman dev_dbg(dev, "%s Failed to allocate MIB memory\n", 8067d9c9b79SDave Ertman __func__); 8077d9c9b79SDave Ertman return; 8087d9c9b79SDave Ertman } 8097d9c9b79SDave Ertman 8107d9c9b79SDave Ertman /* Add ETS CFG TLV */ 8117d9c9b79SDave Ertman tlv = (struct ice_lldp_org_tlv *)lldpmib; 8127d9c9b79SDave Ertman typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | 8137d9c9b79SDave Ertman ICE_IEEE_ETS_TLV_LEN); 8147d9c9b79SDave Ertman tlv->typelen = htons(typelen); 8157d9c9b79SDave Ertman ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 8167d9c9b79SDave Ertman ICE_IEEE_SUBTYPE_ETS_CFG); 8177d9c9b79SDave Ertman tlv->ouisubtype = htonl(ouisubtype); 8187d9c9b79SDave Ertman 8197d9c9b79SDave Ertman buf = tlv->tlvinfo; 8207d9c9b79SDave Ertman buf[0] = 0; 8217d9c9b79SDave Ertman 8227d9c9b79SDave Ertman /* ETS CFG all UPs map to TC 0. Next 4 (1 - 4) Octets = 0. 8237d9c9b79SDave Ertman * Octets 5 - 12 are BW values, set octet 5 to 100% BW. 8247d9c9b79SDave Ertman * Octets 13 - 20 are TSA values - leave as zeros 8257d9c9b79SDave Ertman */ 8267d9c9b79SDave Ertman buf[5] = 0x64; 8277d9c9b79SDave Ertman len = (typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S; 8287d9c9b79SDave Ertman offset += len + 2; 8297d9c9b79SDave Ertman tlv = (struct ice_lldp_org_tlv *) 8307d9c9b79SDave Ertman ((char *)tlv + sizeof(tlv->typelen) + len); 8317d9c9b79SDave Ertman 8327d9c9b79SDave Ertman /* Add ETS REC TLV */ 8337d9c9b79SDave Ertman buf = tlv->tlvinfo; 8347d9c9b79SDave Ertman tlv->typelen = htons(typelen); 8357d9c9b79SDave Ertman 8367d9c9b79SDave Ertman ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 8377d9c9b79SDave Ertman ICE_IEEE_SUBTYPE_ETS_REC); 8387d9c9b79SDave Ertman tlv->ouisubtype = htonl(ouisubtype); 8397d9c9b79SDave Ertman 8407d9c9b79SDave Ertman /* First octet of buf is reserved 8417d9c9b79SDave Ertman * Octets 1 - 4 map UP to TC - all UPs map to zero 8427d9c9b79SDave Ertman * Octets 5 - 12 are BW values - set TC 0 to 100%. 8437d9c9b79SDave Ertman * Octets 13 - 20 are TSA value - leave as zeros 8447d9c9b79SDave Ertman */ 8457d9c9b79SDave Ertman buf[5] = 0x64; 8467d9c9b79SDave Ertman offset += len + 2; 8477d9c9b79SDave Ertman tlv = (struct ice_lldp_org_tlv *) 8487d9c9b79SDave Ertman ((char *)tlv + sizeof(tlv->typelen) + len); 8497d9c9b79SDave Ertman 8507d9c9b79SDave Ertman /* Add PFC CFG TLV */ 8517d9c9b79SDave Ertman typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) | 8527d9c9b79SDave Ertman ICE_IEEE_PFC_TLV_LEN); 8537d9c9b79SDave Ertman tlv->typelen = htons(typelen); 8547d9c9b79SDave Ertman 8557d9c9b79SDave Ertman ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) | 8567d9c9b79SDave Ertman ICE_IEEE_SUBTYPE_PFC_CFG); 8577d9c9b79SDave Ertman tlv->ouisubtype = htonl(ouisubtype); 8587d9c9b79SDave Ertman 8597d9c9b79SDave Ertman /* Octet 1 left as all zeros - PFC disabled */ 8607d9c9b79SDave Ertman buf[0] = 0x08; 8617d9c9b79SDave Ertman len = (typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S; 8627d9c9b79SDave Ertman offset += len + 2; 8637d9c9b79SDave Ertman 8647d9c9b79SDave Ertman if (ice_aq_set_lldp_mib(hw, mib_type, (void *)lldpmib, offset, NULL)) 8657d9c9b79SDave Ertman dev_dbg(dev, "%s Failed to set default LLDP MIB\n", __func__); 8667d9c9b79SDave Ertman 8677d9c9b79SDave Ertman kfree(lldpmib); 8687d9c9b79SDave Ertman } 8697d9c9b79SDave Ertman 8707d9c9b79SDave Ertman /** 871c77849f5SAnirudh Venkataramanan * ice_check_module_power 872c77849f5SAnirudh Venkataramanan * @pf: pointer to PF struct 873c77849f5SAnirudh Venkataramanan * @link_cfg_err: bitmap from the link info structure 874c77849f5SAnirudh Venkataramanan * 875c77849f5SAnirudh Venkataramanan * check module power level returned by a previous call to aq_get_link_info 876c77849f5SAnirudh Venkataramanan * and print error messages if module power level is not supported 877c77849f5SAnirudh Venkataramanan */ 878c77849f5SAnirudh Venkataramanan static void ice_check_module_power(struct ice_pf *pf, u8 link_cfg_err) 879c77849f5SAnirudh Venkataramanan { 880c77849f5SAnirudh Venkataramanan /* if module power level is supported, clear the flag */ 881c77849f5SAnirudh Venkataramanan if (!(link_cfg_err & (ICE_AQ_LINK_INVAL_MAX_POWER_LIMIT | 882c77849f5SAnirudh Venkataramanan ICE_AQ_LINK_MODULE_POWER_UNSUPPORTED))) { 883c77849f5SAnirudh Venkataramanan clear_bit(ICE_FLAG_MOD_POWER_UNSUPPORTED, pf->flags); 884c77849f5SAnirudh Venkataramanan return; 885c77849f5SAnirudh Venkataramanan } 886c77849f5SAnirudh Venkataramanan 887c77849f5SAnirudh Venkataramanan /* if ICE_FLAG_MOD_POWER_UNSUPPORTED was previously set and the 888c77849f5SAnirudh Venkataramanan * above block didn't clear this bit, there's nothing to do 889c77849f5SAnirudh Venkataramanan */ 890c77849f5SAnirudh Venkataramanan if (test_bit(ICE_FLAG_MOD_POWER_UNSUPPORTED, pf->flags)) 891c77849f5SAnirudh Venkataramanan return; 892c77849f5SAnirudh Venkataramanan 893c77849f5SAnirudh Venkataramanan if (link_cfg_err & ICE_AQ_LINK_INVAL_MAX_POWER_LIMIT) { 894c77849f5SAnirudh Venkataramanan dev_err(ice_pf_to_dev(pf), "The installed module is incompatible with the device's NVM image. Cannot start link\n"); 895c77849f5SAnirudh Venkataramanan set_bit(ICE_FLAG_MOD_POWER_UNSUPPORTED, pf->flags); 896c77849f5SAnirudh Venkataramanan } else if (link_cfg_err & ICE_AQ_LINK_MODULE_POWER_UNSUPPORTED) { 897c77849f5SAnirudh Venkataramanan dev_err(ice_pf_to_dev(pf), "The module's power requirements exceed the device's power supply. Cannot start link\n"); 898c77849f5SAnirudh Venkataramanan set_bit(ICE_FLAG_MOD_POWER_UNSUPPORTED, pf->flags); 899c77849f5SAnirudh Venkataramanan } 900c77849f5SAnirudh Venkataramanan } 901c77849f5SAnirudh Venkataramanan 902c77849f5SAnirudh Venkataramanan /** 9030b28b702SAnirudh Venkataramanan * ice_link_event - process the link event 9042f2da36eSAnirudh Venkataramanan * @pf: PF that the link event is associated with 9050b28b702SAnirudh Venkataramanan * @pi: port_info for the port that the link event is associated with 906c2a23e00SBrett Creeley * @link_up: true if the physical link is up and false if it is down 907c2a23e00SBrett Creeley * @link_speed: current link speed received from the link event 9080b28b702SAnirudh Venkataramanan * 909c2a23e00SBrett Creeley * Returns 0 on success and negative on failure 9100b28b702SAnirudh Venkataramanan */ 9110b28b702SAnirudh Venkataramanan static int 912c2a23e00SBrett Creeley ice_link_event(struct ice_pf *pf, struct ice_port_info *pi, bool link_up, 913c2a23e00SBrett Creeley u16 link_speed) 9140b28b702SAnirudh Venkataramanan { 9154015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 9160b28b702SAnirudh Venkataramanan struct ice_phy_info *phy_info; 917d348d517SAnirudh Venkataramanan enum ice_status status; 918c2a23e00SBrett Creeley struct ice_vsi *vsi; 919c2a23e00SBrett Creeley u16 old_link_speed; 920c2a23e00SBrett Creeley bool old_link; 9210b28b702SAnirudh Venkataramanan 9220b28b702SAnirudh Venkataramanan phy_info = &pi->phy; 9230b28b702SAnirudh Venkataramanan phy_info->link_info_old = phy_info->link_info; 9240b28b702SAnirudh Venkataramanan 925c2a23e00SBrett Creeley old_link = !!(phy_info->link_info_old.link_info & ICE_AQ_LINK_UP); 9260b28b702SAnirudh Venkataramanan old_link_speed = phy_info->link_info_old.link_speed; 9270b28b702SAnirudh Venkataramanan 928c2a23e00SBrett Creeley /* update the link info structures and re-enable link events, 929c2a23e00SBrett Creeley * don't bail on failure due to other book keeping needed 930c2a23e00SBrett Creeley */ 931d348d517SAnirudh Venkataramanan status = ice_update_link_info(pi); 932d348d517SAnirudh Venkataramanan if (status) 933d348d517SAnirudh Venkataramanan dev_dbg(dev, "Failed to update link status on port %d, err %s aq_err %s\n", 934d348d517SAnirudh Venkataramanan pi->lport, ice_stat_str(status), 935d348d517SAnirudh Venkataramanan ice_aq_str(pi->hw->adminq.sq_last_status)); 9360b28b702SAnirudh Venkataramanan 937c77849f5SAnirudh Venkataramanan ice_check_module_power(pf, pi->phy.link_info.link_cfg_err); 938c77849f5SAnirudh Venkataramanan 9390ce6c34aSDave Ertman /* Check if the link state is up after updating link info, and treat 9400ce6c34aSDave Ertman * this event as an UP event since the link is actually UP now. 9410ce6c34aSDave Ertman */ 9420ce6c34aSDave Ertman if (phy_info->link_info.link_info & ICE_AQ_LINK_UP) 9430ce6c34aSDave Ertman link_up = true; 9440ce6c34aSDave Ertman 945208ff751SAnirudh Venkataramanan vsi = ice_get_main_vsi(pf); 9460b28b702SAnirudh Venkataramanan if (!vsi || !vsi->port_info) 947c2a23e00SBrett Creeley return -EINVAL; 9480b28b702SAnirudh Venkataramanan 9496d599946STony Nguyen /* turn off PHY if media was removed */ 9506d599946STony Nguyen if (!test_bit(ICE_FLAG_NO_MEDIA, pf->flags) && 9516d599946STony Nguyen !(pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE)) { 9526d599946STony Nguyen set_bit(ICE_FLAG_NO_MEDIA, pf->flags); 953d348d517SAnirudh Venkataramanan ice_set_link(vsi, false); 9546d599946STony Nguyen } 9556d599946STony Nguyen 9561a3571b5SPaul Greenwalt /* if the old link up/down and speed is the same as the new */ 9571a3571b5SPaul Greenwalt if (link_up == old_link && link_speed == old_link_speed) 958d348d517SAnirudh Venkataramanan return 0; 9591a3571b5SPaul Greenwalt 9607d9c9b79SDave Ertman if (ice_is_dcb_active(pf)) { 9617d9c9b79SDave Ertman if (test_bit(ICE_FLAG_DCB_ENA, pf->flags)) 962242b5e06SDave Ertman ice_dcb_rebuild(pf); 9637d9c9b79SDave Ertman } else { 9647d9c9b79SDave Ertman if (link_up) 9657d9c9b79SDave Ertman ice_set_dflt_mib(pf); 9667d9c9b79SDave Ertman } 967c2a23e00SBrett Creeley ice_vsi_link_event(vsi, link_up); 968c2a23e00SBrett Creeley ice_print_link_msg(vsi, link_up); 9690b28b702SAnirudh Venkataramanan 97053b8decbSAnirudh Venkataramanan ice_vc_notify_link_state(pf); 97153b8decbSAnirudh Venkataramanan 972d348d517SAnirudh Venkataramanan return 0; 9730b28b702SAnirudh Venkataramanan } 9740b28b702SAnirudh Venkataramanan 9750b28b702SAnirudh Venkataramanan /** 9764f4be03bSAnirudh Venkataramanan * ice_watchdog_subtask - periodic tasks not using event driven scheduling 9774f4be03bSAnirudh Venkataramanan * @pf: board private structure 9780b28b702SAnirudh Venkataramanan */ 9794f4be03bSAnirudh Venkataramanan static void ice_watchdog_subtask(struct ice_pf *pf) 9800b28b702SAnirudh Venkataramanan { 9814f4be03bSAnirudh Venkataramanan int i; 9820b28b702SAnirudh Venkataramanan 9834f4be03bSAnirudh Venkataramanan /* if interface is down do nothing */ 9847e408e07SAnirudh Venkataramanan if (test_bit(ICE_DOWN, pf->state) || 9857e408e07SAnirudh Venkataramanan test_bit(ICE_CFG_BUSY, pf->state)) 9864f4be03bSAnirudh Venkataramanan return; 9870b28b702SAnirudh Venkataramanan 9884f4be03bSAnirudh Venkataramanan /* make sure we don't do these things too often */ 9894f4be03bSAnirudh Venkataramanan if (time_before(jiffies, 9904f4be03bSAnirudh Venkataramanan pf->serv_tmr_prev + pf->serv_tmr_period)) 9914f4be03bSAnirudh Venkataramanan return; 9920b28b702SAnirudh Venkataramanan 9934f4be03bSAnirudh Venkataramanan pf->serv_tmr_prev = jiffies; 9944f4be03bSAnirudh Venkataramanan 9954f4be03bSAnirudh Venkataramanan /* Update the stats for active netdevs so the network stack 9964f4be03bSAnirudh Venkataramanan * can look at updated numbers whenever it cares to 9974f4be03bSAnirudh Venkataramanan */ 9984f4be03bSAnirudh Venkataramanan ice_update_pf_stats(pf); 99980ed404aSBrett Creeley ice_for_each_vsi(pf, i) 10004f4be03bSAnirudh Venkataramanan if (pf->vsi[i] && pf->vsi[i]->netdev) 10014f4be03bSAnirudh Venkataramanan ice_update_vsi_stats(pf->vsi[i]); 10020b28b702SAnirudh Venkataramanan } 10030b28b702SAnirudh Venkataramanan 10040b28b702SAnirudh Venkataramanan /** 1005250c3b3eSBrett Creeley * ice_init_link_events - enable/initialize link events 1006250c3b3eSBrett Creeley * @pi: pointer to the port_info instance 1007250c3b3eSBrett Creeley * 1008250c3b3eSBrett Creeley * Returns -EIO on failure, 0 on success 1009250c3b3eSBrett Creeley */ 1010250c3b3eSBrett Creeley static int ice_init_link_events(struct ice_port_info *pi) 1011250c3b3eSBrett Creeley { 1012250c3b3eSBrett Creeley u16 mask; 1013250c3b3eSBrett Creeley 1014250c3b3eSBrett Creeley mask = ~((u16)(ICE_AQ_LINK_EVENT_UPDOWN | ICE_AQ_LINK_EVENT_MEDIA_NA | 1015250c3b3eSBrett Creeley ICE_AQ_LINK_EVENT_MODULE_QUAL_FAIL)); 1016250c3b3eSBrett Creeley 1017250c3b3eSBrett Creeley if (ice_aq_set_event_mask(pi->hw, pi->lport, mask, NULL)) { 101819cce2c6SAnirudh Venkataramanan dev_dbg(ice_hw_to_dev(pi->hw), "Failed to set link event mask for port %d\n", 1019250c3b3eSBrett Creeley pi->lport); 1020250c3b3eSBrett Creeley return -EIO; 1021250c3b3eSBrett Creeley } 1022250c3b3eSBrett Creeley 1023250c3b3eSBrett Creeley if (ice_aq_get_link_info(pi, true, NULL, NULL)) { 102419cce2c6SAnirudh Venkataramanan dev_dbg(ice_hw_to_dev(pi->hw), "Failed to enable link events for port %d\n", 1025250c3b3eSBrett Creeley pi->lport); 1026250c3b3eSBrett Creeley return -EIO; 1027250c3b3eSBrett Creeley } 1028250c3b3eSBrett Creeley 1029250c3b3eSBrett Creeley return 0; 1030250c3b3eSBrett Creeley } 1031250c3b3eSBrett Creeley 1032250c3b3eSBrett Creeley /** 1033250c3b3eSBrett Creeley * ice_handle_link_event - handle link event via ARQ 10342f2da36eSAnirudh Venkataramanan * @pf: PF that the link event is associated with 1035c2a23e00SBrett Creeley * @event: event structure containing link status info 1036250c3b3eSBrett Creeley */ 1037c2a23e00SBrett Creeley static int 1038c2a23e00SBrett Creeley ice_handle_link_event(struct ice_pf *pf, struct ice_rq_event_info *event) 1039250c3b3eSBrett Creeley { 1040c2a23e00SBrett Creeley struct ice_aqc_get_link_status_data *link_data; 1041250c3b3eSBrett Creeley struct ice_port_info *port_info; 1042250c3b3eSBrett Creeley int status; 1043250c3b3eSBrett Creeley 1044c2a23e00SBrett Creeley link_data = (struct ice_aqc_get_link_status_data *)event->msg_buf; 1045250c3b3eSBrett Creeley port_info = pf->hw.port_info; 1046250c3b3eSBrett Creeley if (!port_info) 1047250c3b3eSBrett Creeley return -EINVAL; 1048250c3b3eSBrett Creeley 1049c2a23e00SBrett Creeley status = ice_link_event(pf, port_info, 1050c2a23e00SBrett Creeley !!(link_data->link_info & ICE_AQ_LINK_UP), 1051c2a23e00SBrett Creeley le16_to_cpu(link_data->link_speed)); 1052250c3b3eSBrett Creeley if (status) 105319cce2c6SAnirudh Venkataramanan dev_dbg(ice_pf_to_dev(pf), "Could not process link event, error %d\n", 105419cce2c6SAnirudh Venkataramanan status); 1055250c3b3eSBrett Creeley 1056250c3b3eSBrett Creeley return status; 1057250c3b3eSBrett Creeley } 1058250c3b3eSBrett Creeley 1059d69ea414SJacob Keller enum ice_aq_task_state { 1060d69ea414SJacob Keller ICE_AQ_TASK_WAITING = 0, 1061d69ea414SJacob Keller ICE_AQ_TASK_COMPLETE, 1062d69ea414SJacob Keller ICE_AQ_TASK_CANCELED, 1063d69ea414SJacob Keller }; 1064d69ea414SJacob Keller 1065d69ea414SJacob Keller struct ice_aq_task { 1066d69ea414SJacob Keller struct hlist_node entry; 1067d69ea414SJacob Keller 1068d69ea414SJacob Keller u16 opcode; 1069d69ea414SJacob Keller struct ice_rq_event_info *event; 1070d69ea414SJacob Keller enum ice_aq_task_state state; 1071d69ea414SJacob Keller }; 1072d69ea414SJacob Keller 1073d69ea414SJacob Keller /** 1074ef860480STony Nguyen * ice_aq_wait_for_event - Wait for an AdminQ event from firmware 1075d69ea414SJacob Keller * @pf: pointer to the PF private structure 1076d69ea414SJacob Keller * @opcode: the opcode to wait for 1077d69ea414SJacob Keller * @timeout: how long to wait, in jiffies 1078d69ea414SJacob Keller * @event: storage for the event info 1079d69ea414SJacob Keller * 1080d69ea414SJacob Keller * Waits for a specific AdminQ completion event on the ARQ for a given PF. The 1081d69ea414SJacob Keller * current thread will be put to sleep until the specified event occurs or 1082d69ea414SJacob Keller * until the given timeout is reached. 1083d69ea414SJacob Keller * 1084d69ea414SJacob Keller * To obtain only the descriptor contents, pass an event without an allocated 1085d69ea414SJacob Keller * msg_buf. If the complete data buffer is desired, allocate the 1086d69ea414SJacob Keller * event->msg_buf with enough space ahead of time. 1087d69ea414SJacob Keller * 1088d69ea414SJacob Keller * Returns: zero on success, or a negative error code on failure. 1089d69ea414SJacob Keller */ 1090d69ea414SJacob Keller int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout, 1091d69ea414SJacob Keller struct ice_rq_event_info *event) 1092d69ea414SJacob Keller { 10931e8249ccSJacob Keller struct device *dev = ice_pf_to_dev(pf); 1094d69ea414SJacob Keller struct ice_aq_task *task; 10951e8249ccSJacob Keller unsigned long start; 1096d69ea414SJacob Keller long ret; 1097d69ea414SJacob Keller int err; 1098d69ea414SJacob Keller 1099d69ea414SJacob Keller task = kzalloc(sizeof(*task), GFP_KERNEL); 1100d69ea414SJacob Keller if (!task) 1101d69ea414SJacob Keller return -ENOMEM; 1102d69ea414SJacob Keller 1103d69ea414SJacob Keller INIT_HLIST_NODE(&task->entry); 1104d69ea414SJacob Keller task->opcode = opcode; 1105d69ea414SJacob Keller task->event = event; 1106d69ea414SJacob Keller task->state = ICE_AQ_TASK_WAITING; 1107d69ea414SJacob Keller 1108d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1109d69ea414SJacob Keller hlist_add_head(&task->entry, &pf->aq_wait_list); 1110d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1111d69ea414SJacob Keller 11121e8249ccSJacob Keller start = jiffies; 11131e8249ccSJacob Keller 1114d69ea414SJacob Keller ret = wait_event_interruptible_timeout(pf->aq_wait_queue, task->state, 1115d69ea414SJacob Keller timeout); 1116d69ea414SJacob Keller switch (task->state) { 1117d69ea414SJacob Keller case ICE_AQ_TASK_WAITING: 1118d69ea414SJacob Keller err = ret < 0 ? ret : -ETIMEDOUT; 1119d69ea414SJacob Keller break; 1120d69ea414SJacob Keller case ICE_AQ_TASK_CANCELED: 1121d69ea414SJacob Keller err = ret < 0 ? ret : -ECANCELED; 1122d69ea414SJacob Keller break; 1123d69ea414SJacob Keller case ICE_AQ_TASK_COMPLETE: 1124d69ea414SJacob Keller err = ret < 0 ? ret : 0; 1125d69ea414SJacob Keller break; 1126d69ea414SJacob Keller default: 1127d69ea414SJacob Keller WARN(1, "Unexpected AdminQ wait task state %u", task->state); 1128d69ea414SJacob Keller err = -EINVAL; 1129d69ea414SJacob Keller break; 1130d69ea414SJacob Keller } 1131d69ea414SJacob Keller 11321e8249ccSJacob Keller dev_dbg(dev, "Waited %u msecs (max %u msecs) for firmware response to op 0x%04x\n", 11331e8249ccSJacob Keller jiffies_to_msecs(jiffies - start), 11341e8249ccSJacob Keller jiffies_to_msecs(timeout), 11351e8249ccSJacob Keller opcode); 11361e8249ccSJacob Keller 1137d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1138d69ea414SJacob Keller hlist_del(&task->entry); 1139d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1140d69ea414SJacob Keller kfree(task); 1141d69ea414SJacob Keller 1142d69ea414SJacob Keller return err; 1143d69ea414SJacob Keller } 1144d69ea414SJacob Keller 1145d69ea414SJacob Keller /** 1146d69ea414SJacob Keller * ice_aq_check_events - Check if any thread is waiting for an AdminQ event 1147d69ea414SJacob Keller * @pf: pointer to the PF private structure 1148d69ea414SJacob Keller * @opcode: the opcode of the event 1149d69ea414SJacob Keller * @event: the event to check 1150d69ea414SJacob Keller * 1151d69ea414SJacob Keller * Loops over the current list of pending threads waiting for an AdminQ event. 1152d69ea414SJacob Keller * For each matching task, copy the contents of the event into the task 1153d69ea414SJacob Keller * structure and wake up the thread. 1154d69ea414SJacob Keller * 1155d69ea414SJacob Keller * If multiple threads wait for the same opcode, they will all be woken up. 1156d69ea414SJacob Keller * 1157d69ea414SJacob Keller * Note that event->msg_buf will only be duplicated if the event has a buffer 1158d69ea414SJacob Keller * with enough space already allocated. Otherwise, only the descriptor and 1159d69ea414SJacob Keller * message length will be copied. 1160d69ea414SJacob Keller * 1161d69ea414SJacob Keller * Returns: true if an event was found, false otherwise 1162d69ea414SJacob Keller */ 1163d69ea414SJacob Keller static void ice_aq_check_events(struct ice_pf *pf, u16 opcode, 1164d69ea414SJacob Keller struct ice_rq_event_info *event) 1165d69ea414SJacob Keller { 1166d69ea414SJacob Keller struct ice_aq_task *task; 1167d69ea414SJacob Keller bool found = false; 1168d69ea414SJacob Keller 1169d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1170d69ea414SJacob Keller hlist_for_each_entry(task, &pf->aq_wait_list, entry) { 1171d69ea414SJacob Keller if (task->state || task->opcode != opcode) 1172d69ea414SJacob Keller continue; 1173d69ea414SJacob Keller 1174d69ea414SJacob Keller memcpy(&task->event->desc, &event->desc, sizeof(event->desc)); 1175d69ea414SJacob Keller task->event->msg_len = event->msg_len; 1176d69ea414SJacob Keller 1177d69ea414SJacob Keller /* Only copy the data buffer if a destination was set */ 1178d69ea414SJacob Keller if (task->event->msg_buf && 1179d69ea414SJacob Keller task->event->buf_len > event->buf_len) { 1180d69ea414SJacob Keller memcpy(task->event->msg_buf, event->msg_buf, 1181d69ea414SJacob Keller event->buf_len); 1182d69ea414SJacob Keller task->event->buf_len = event->buf_len; 1183d69ea414SJacob Keller } 1184d69ea414SJacob Keller 1185d69ea414SJacob Keller task->state = ICE_AQ_TASK_COMPLETE; 1186d69ea414SJacob Keller found = true; 1187d69ea414SJacob Keller } 1188d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1189d69ea414SJacob Keller 1190d69ea414SJacob Keller if (found) 1191d69ea414SJacob Keller wake_up(&pf->aq_wait_queue); 1192d69ea414SJacob Keller } 1193d69ea414SJacob Keller 1194d69ea414SJacob Keller /** 1195d69ea414SJacob Keller * ice_aq_cancel_waiting_tasks - Immediately cancel all waiting tasks 1196d69ea414SJacob Keller * @pf: the PF private structure 1197d69ea414SJacob Keller * 1198d69ea414SJacob Keller * Set all waiting tasks to ICE_AQ_TASK_CANCELED, and wake up their threads. 1199d69ea414SJacob Keller * This will then cause ice_aq_wait_for_event to exit with -ECANCELED. 1200d69ea414SJacob Keller */ 1201d69ea414SJacob Keller static void ice_aq_cancel_waiting_tasks(struct ice_pf *pf) 1202d69ea414SJacob Keller { 1203d69ea414SJacob Keller struct ice_aq_task *task; 1204d69ea414SJacob Keller 1205d69ea414SJacob Keller spin_lock_bh(&pf->aq_wait_lock); 1206d69ea414SJacob Keller hlist_for_each_entry(task, &pf->aq_wait_list, entry) 1207d69ea414SJacob Keller task->state = ICE_AQ_TASK_CANCELED; 1208d69ea414SJacob Keller spin_unlock_bh(&pf->aq_wait_lock); 1209d69ea414SJacob Keller 1210d69ea414SJacob Keller wake_up(&pf->aq_wait_queue); 1211d69ea414SJacob Keller } 1212d69ea414SJacob Keller 1213250c3b3eSBrett Creeley /** 1214940b61afSAnirudh Venkataramanan * __ice_clean_ctrlq - helper function to clean controlq rings 1215940b61afSAnirudh Venkataramanan * @pf: ptr to struct ice_pf 1216940b61afSAnirudh Venkataramanan * @q_type: specific Control queue type 1217940b61afSAnirudh Venkataramanan */ 1218940b61afSAnirudh Venkataramanan static int __ice_clean_ctrlq(struct ice_pf *pf, enum ice_ctl_q q_type) 1219940b61afSAnirudh Venkataramanan { 12204015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 1221940b61afSAnirudh Venkataramanan struct ice_rq_event_info event; 1222940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 1223940b61afSAnirudh Venkataramanan struct ice_ctl_q_info *cq; 1224940b61afSAnirudh Venkataramanan u16 pending, i = 0; 1225940b61afSAnirudh Venkataramanan const char *qtype; 1226940b61afSAnirudh Venkataramanan u32 oldval, val; 1227940b61afSAnirudh Venkataramanan 12280b28b702SAnirudh Venkataramanan /* Do not clean control queue if/when PF reset fails */ 12297e408e07SAnirudh Venkataramanan if (test_bit(ICE_RESET_FAILED, pf->state)) 12300b28b702SAnirudh Venkataramanan return 0; 12310b28b702SAnirudh Venkataramanan 1232940b61afSAnirudh Venkataramanan switch (q_type) { 1233940b61afSAnirudh Venkataramanan case ICE_CTL_Q_ADMIN: 1234940b61afSAnirudh Venkataramanan cq = &hw->adminq; 1235940b61afSAnirudh Venkataramanan qtype = "Admin"; 1236940b61afSAnirudh Venkataramanan break; 12378f5ee3c4SJacob Keller case ICE_CTL_Q_SB: 12388f5ee3c4SJacob Keller cq = &hw->sbq; 12398f5ee3c4SJacob Keller qtype = "Sideband"; 12408f5ee3c4SJacob Keller break; 124175d2b253SAnirudh Venkataramanan case ICE_CTL_Q_MAILBOX: 124275d2b253SAnirudh Venkataramanan cq = &hw->mailboxq; 124375d2b253SAnirudh Venkataramanan qtype = "Mailbox"; 12440891c896SVignesh Sridhar /* we are going to try to detect a malicious VF, so set the 12450891c896SVignesh Sridhar * state to begin detection 12460891c896SVignesh Sridhar */ 12470891c896SVignesh Sridhar hw->mbx_snapshot.mbx_buf.state = ICE_MAL_VF_DETECT_STATE_NEW_SNAPSHOT; 124875d2b253SAnirudh Venkataramanan break; 1249940b61afSAnirudh Venkataramanan default: 12504015d11eSBrett Creeley dev_warn(dev, "Unknown control queue type 0x%x\n", q_type); 1251940b61afSAnirudh Venkataramanan return 0; 1252940b61afSAnirudh Venkataramanan } 1253940b61afSAnirudh Venkataramanan 1254940b61afSAnirudh Venkataramanan /* check for error indications - PF_xx_AxQLEN register layout for 1255940b61afSAnirudh Venkataramanan * FW/MBX/SB are identical so just use defines for PF_FW_AxQLEN. 1256940b61afSAnirudh Venkataramanan */ 1257940b61afSAnirudh Venkataramanan val = rd32(hw, cq->rq.len); 1258940b61afSAnirudh Venkataramanan if (val & (PF_FW_ARQLEN_ARQVFE_M | PF_FW_ARQLEN_ARQOVFL_M | 1259940b61afSAnirudh Venkataramanan PF_FW_ARQLEN_ARQCRIT_M)) { 1260940b61afSAnirudh Venkataramanan oldval = val; 1261940b61afSAnirudh Venkataramanan if (val & PF_FW_ARQLEN_ARQVFE_M) 12624015d11eSBrett Creeley dev_dbg(dev, "%s Receive Queue VF Error detected\n", 12634015d11eSBrett Creeley qtype); 1264940b61afSAnirudh Venkataramanan if (val & PF_FW_ARQLEN_ARQOVFL_M) { 126519cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Receive Queue Overflow Error detected\n", 1266940b61afSAnirudh Venkataramanan qtype); 1267940b61afSAnirudh Venkataramanan } 1268940b61afSAnirudh Venkataramanan if (val & PF_FW_ARQLEN_ARQCRIT_M) 126919cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Receive Queue Critical Error detected\n", 1270940b61afSAnirudh Venkataramanan qtype); 1271940b61afSAnirudh Venkataramanan val &= ~(PF_FW_ARQLEN_ARQVFE_M | PF_FW_ARQLEN_ARQOVFL_M | 1272940b61afSAnirudh Venkataramanan PF_FW_ARQLEN_ARQCRIT_M); 1273940b61afSAnirudh Venkataramanan if (oldval != val) 1274940b61afSAnirudh Venkataramanan wr32(hw, cq->rq.len, val); 1275940b61afSAnirudh Venkataramanan } 1276940b61afSAnirudh Venkataramanan 1277940b61afSAnirudh Venkataramanan val = rd32(hw, cq->sq.len); 1278940b61afSAnirudh Venkataramanan if (val & (PF_FW_ATQLEN_ATQVFE_M | PF_FW_ATQLEN_ATQOVFL_M | 1279940b61afSAnirudh Venkataramanan PF_FW_ATQLEN_ATQCRIT_M)) { 1280940b61afSAnirudh Venkataramanan oldval = val; 1281940b61afSAnirudh Venkataramanan if (val & PF_FW_ATQLEN_ATQVFE_M) 128219cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Send Queue VF Error detected\n", 128319cce2c6SAnirudh Venkataramanan qtype); 1284940b61afSAnirudh Venkataramanan if (val & PF_FW_ATQLEN_ATQOVFL_M) { 12854015d11eSBrett Creeley dev_dbg(dev, "%s Send Queue Overflow Error detected\n", 1286940b61afSAnirudh Venkataramanan qtype); 1287940b61afSAnirudh Venkataramanan } 1288940b61afSAnirudh Venkataramanan if (val & PF_FW_ATQLEN_ATQCRIT_M) 12894015d11eSBrett Creeley dev_dbg(dev, "%s Send Queue Critical Error detected\n", 1290940b61afSAnirudh Venkataramanan qtype); 1291940b61afSAnirudh Venkataramanan val &= ~(PF_FW_ATQLEN_ATQVFE_M | PF_FW_ATQLEN_ATQOVFL_M | 1292940b61afSAnirudh Venkataramanan PF_FW_ATQLEN_ATQCRIT_M); 1293940b61afSAnirudh Venkataramanan if (oldval != val) 1294940b61afSAnirudh Venkataramanan wr32(hw, cq->sq.len, val); 1295940b61afSAnirudh Venkataramanan } 1296940b61afSAnirudh Venkataramanan 1297940b61afSAnirudh Venkataramanan event.buf_len = cq->rq_buf_size; 12989efe35d0STony Nguyen event.msg_buf = kzalloc(event.buf_len, GFP_KERNEL); 1299940b61afSAnirudh Venkataramanan if (!event.msg_buf) 1300940b61afSAnirudh Venkataramanan return 0; 1301940b61afSAnirudh Venkataramanan 1302940b61afSAnirudh Venkataramanan do { 1303940b61afSAnirudh Venkataramanan enum ice_status ret; 13040b28b702SAnirudh Venkataramanan u16 opcode; 1305940b61afSAnirudh Venkataramanan 1306940b61afSAnirudh Venkataramanan ret = ice_clean_rq_elem(hw, cq, &event, &pending); 1307940b61afSAnirudh Venkataramanan if (ret == ICE_ERR_AQ_NO_WORK) 1308940b61afSAnirudh Venkataramanan break; 1309940b61afSAnirudh Venkataramanan if (ret) { 13100fee3577SLihong Yang dev_err(dev, "%s Receive Queue event error %s\n", qtype, 13110fee3577SLihong Yang ice_stat_str(ret)); 1312940b61afSAnirudh Venkataramanan break; 1313940b61afSAnirudh Venkataramanan } 13140b28b702SAnirudh Venkataramanan 13150b28b702SAnirudh Venkataramanan opcode = le16_to_cpu(event.desc.opcode); 13160b28b702SAnirudh Venkataramanan 1317d69ea414SJacob Keller /* Notify any thread that might be waiting for this event */ 1318d69ea414SJacob Keller ice_aq_check_events(pf, opcode, &event); 1319d69ea414SJacob Keller 13200b28b702SAnirudh Venkataramanan switch (opcode) { 1321250c3b3eSBrett Creeley case ice_aqc_opc_get_link_status: 1322c2a23e00SBrett Creeley if (ice_handle_link_event(pf, &event)) 13234015d11eSBrett Creeley dev_err(dev, "Could not handle link event\n"); 1324250c3b3eSBrett Creeley break; 13252309ae38SBrett Creeley case ice_aqc_opc_event_lan_overflow: 13262309ae38SBrett Creeley ice_vf_lan_overflow_event(pf, &event); 13272309ae38SBrett Creeley break; 13281071a835SAnirudh Venkataramanan case ice_mbx_opc_send_msg_to_pf: 13290891c896SVignesh Sridhar if (!ice_is_malicious_vf(pf, &event, i, pending)) 13301071a835SAnirudh Venkataramanan ice_vc_process_vf_msg(pf, &event); 13311071a835SAnirudh Venkataramanan break; 13328b97ceb1SHieu Tran case ice_aqc_opc_fw_logging: 13338b97ceb1SHieu Tran ice_output_fw_log(hw, &event.desc, event.msg_buf); 13348b97ceb1SHieu Tran break; 133500cc3f1bSAnirudh Venkataramanan case ice_aqc_opc_lldp_set_mib_change: 133600cc3f1bSAnirudh Venkataramanan ice_dcb_process_lldp_set_mib_change(pf, &event); 133700cc3f1bSAnirudh Venkataramanan break; 13380b28b702SAnirudh Venkataramanan default: 133919cce2c6SAnirudh Venkataramanan dev_dbg(dev, "%s Receive Queue unknown event 0x%04x ignored\n", 13400b28b702SAnirudh Venkataramanan qtype, opcode); 13410b28b702SAnirudh Venkataramanan break; 13420b28b702SAnirudh Venkataramanan } 1343940b61afSAnirudh Venkataramanan } while (pending && (i++ < ICE_DFLT_IRQ_WORK)); 1344940b61afSAnirudh Venkataramanan 13459efe35d0STony Nguyen kfree(event.msg_buf); 1346940b61afSAnirudh Venkataramanan 1347940b61afSAnirudh Venkataramanan return pending && (i == ICE_DFLT_IRQ_WORK); 1348940b61afSAnirudh Venkataramanan } 1349940b61afSAnirudh Venkataramanan 1350940b61afSAnirudh Venkataramanan /** 13513d6b640eSAnirudh Venkataramanan * ice_ctrlq_pending - check if there is a difference between ntc and ntu 13523d6b640eSAnirudh Venkataramanan * @hw: pointer to hardware info 13533d6b640eSAnirudh Venkataramanan * @cq: control queue information 13543d6b640eSAnirudh Venkataramanan * 13553d6b640eSAnirudh Venkataramanan * returns true if there are pending messages in a queue, false if there aren't 13563d6b640eSAnirudh Venkataramanan */ 13573d6b640eSAnirudh Venkataramanan static bool ice_ctrlq_pending(struct ice_hw *hw, struct ice_ctl_q_info *cq) 13583d6b640eSAnirudh Venkataramanan { 13593d6b640eSAnirudh Venkataramanan u16 ntu; 13603d6b640eSAnirudh Venkataramanan 13613d6b640eSAnirudh Venkataramanan ntu = (u16)(rd32(hw, cq->rq.head) & cq->rq.head_mask); 13623d6b640eSAnirudh Venkataramanan return cq->rq.next_to_clean != ntu; 13633d6b640eSAnirudh Venkataramanan } 13643d6b640eSAnirudh Venkataramanan 13653d6b640eSAnirudh Venkataramanan /** 1366940b61afSAnirudh Venkataramanan * ice_clean_adminq_subtask - clean the AdminQ rings 1367940b61afSAnirudh Venkataramanan * @pf: board private structure 1368940b61afSAnirudh Venkataramanan */ 1369940b61afSAnirudh Venkataramanan static void ice_clean_adminq_subtask(struct ice_pf *pf) 1370940b61afSAnirudh Venkataramanan { 1371940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 1372940b61afSAnirudh Venkataramanan 13737e408e07SAnirudh Venkataramanan if (!test_bit(ICE_ADMINQ_EVENT_PENDING, pf->state)) 1374940b61afSAnirudh Venkataramanan return; 1375940b61afSAnirudh Venkataramanan 1376940b61afSAnirudh Venkataramanan if (__ice_clean_ctrlq(pf, ICE_CTL_Q_ADMIN)) 1377940b61afSAnirudh Venkataramanan return; 1378940b61afSAnirudh Venkataramanan 13797e408e07SAnirudh Venkataramanan clear_bit(ICE_ADMINQ_EVENT_PENDING, pf->state); 1380940b61afSAnirudh Venkataramanan 13813d6b640eSAnirudh Venkataramanan /* There might be a situation where new messages arrive to a control 13823d6b640eSAnirudh Venkataramanan * queue between processing the last message and clearing the 13833d6b640eSAnirudh Venkataramanan * EVENT_PENDING bit. So before exiting, check queue head again (using 13843d6b640eSAnirudh Venkataramanan * ice_ctrlq_pending) and process new messages if any. 13853d6b640eSAnirudh Venkataramanan */ 13863d6b640eSAnirudh Venkataramanan if (ice_ctrlq_pending(hw, &hw->adminq)) 13873d6b640eSAnirudh Venkataramanan __ice_clean_ctrlq(pf, ICE_CTL_Q_ADMIN); 1388940b61afSAnirudh Venkataramanan 1389940b61afSAnirudh Venkataramanan ice_flush(hw); 1390940b61afSAnirudh Venkataramanan } 1391940b61afSAnirudh Venkataramanan 1392940b61afSAnirudh Venkataramanan /** 139375d2b253SAnirudh Venkataramanan * ice_clean_mailboxq_subtask - clean the MailboxQ rings 139475d2b253SAnirudh Venkataramanan * @pf: board private structure 139575d2b253SAnirudh Venkataramanan */ 139675d2b253SAnirudh Venkataramanan static void ice_clean_mailboxq_subtask(struct ice_pf *pf) 139775d2b253SAnirudh Venkataramanan { 139875d2b253SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 139975d2b253SAnirudh Venkataramanan 14007e408e07SAnirudh Venkataramanan if (!test_bit(ICE_MAILBOXQ_EVENT_PENDING, pf->state)) 140175d2b253SAnirudh Venkataramanan return; 140275d2b253SAnirudh Venkataramanan 140375d2b253SAnirudh Venkataramanan if (__ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX)) 140475d2b253SAnirudh Venkataramanan return; 140575d2b253SAnirudh Venkataramanan 14067e408e07SAnirudh Venkataramanan clear_bit(ICE_MAILBOXQ_EVENT_PENDING, pf->state); 140775d2b253SAnirudh Venkataramanan 140875d2b253SAnirudh Venkataramanan if (ice_ctrlq_pending(hw, &hw->mailboxq)) 140975d2b253SAnirudh Venkataramanan __ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX); 141075d2b253SAnirudh Venkataramanan 141175d2b253SAnirudh Venkataramanan ice_flush(hw); 141275d2b253SAnirudh Venkataramanan } 141375d2b253SAnirudh Venkataramanan 141475d2b253SAnirudh Venkataramanan /** 14158f5ee3c4SJacob Keller * ice_clean_sbq_subtask - clean the Sideband Queue rings 14168f5ee3c4SJacob Keller * @pf: board private structure 14178f5ee3c4SJacob Keller */ 14188f5ee3c4SJacob Keller static void ice_clean_sbq_subtask(struct ice_pf *pf) 14198f5ee3c4SJacob Keller { 14208f5ee3c4SJacob Keller struct ice_hw *hw = &pf->hw; 14218f5ee3c4SJacob Keller 14228f5ee3c4SJacob Keller /* Nothing to do here if sideband queue is not supported */ 14238f5ee3c4SJacob Keller if (!ice_is_sbq_supported(hw)) { 14248f5ee3c4SJacob Keller clear_bit(ICE_SIDEBANDQ_EVENT_PENDING, pf->state); 14258f5ee3c4SJacob Keller return; 14268f5ee3c4SJacob Keller } 14278f5ee3c4SJacob Keller 14288f5ee3c4SJacob Keller if (!test_bit(ICE_SIDEBANDQ_EVENT_PENDING, pf->state)) 14298f5ee3c4SJacob Keller return; 14308f5ee3c4SJacob Keller 14318f5ee3c4SJacob Keller if (__ice_clean_ctrlq(pf, ICE_CTL_Q_SB)) 14328f5ee3c4SJacob Keller return; 14338f5ee3c4SJacob Keller 14348f5ee3c4SJacob Keller clear_bit(ICE_SIDEBANDQ_EVENT_PENDING, pf->state); 14358f5ee3c4SJacob Keller 14368f5ee3c4SJacob Keller if (ice_ctrlq_pending(hw, &hw->sbq)) 14378f5ee3c4SJacob Keller __ice_clean_ctrlq(pf, ICE_CTL_Q_SB); 14388f5ee3c4SJacob Keller 14398f5ee3c4SJacob Keller ice_flush(hw); 14408f5ee3c4SJacob Keller } 14418f5ee3c4SJacob Keller 14428f5ee3c4SJacob Keller /** 1443940b61afSAnirudh Venkataramanan * ice_service_task_schedule - schedule the service task to wake up 1444940b61afSAnirudh Venkataramanan * @pf: board private structure 1445940b61afSAnirudh Venkataramanan * 1446940b61afSAnirudh Venkataramanan * If not already scheduled, this puts the task into the work queue. 1447940b61afSAnirudh Venkataramanan */ 144828bf2672SBrett Creeley void ice_service_task_schedule(struct ice_pf *pf) 1449940b61afSAnirudh Venkataramanan { 14507e408e07SAnirudh Venkataramanan if (!test_bit(ICE_SERVICE_DIS, pf->state) && 14517e408e07SAnirudh Venkataramanan !test_and_set_bit(ICE_SERVICE_SCHED, pf->state) && 14527e408e07SAnirudh Venkataramanan !test_bit(ICE_NEEDS_RESTART, pf->state)) 1453940b61afSAnirudh Venkataramanan queue_work(ice_wq, &pf->serv_task); 1454940b61afSAnirudh Venkataramanan } 1455940b61afSAnirudh Venkataramanan 1456940b61afSAnirudh Venkataramanan /** 1457940b61afSAnirudh Venkataramanan * ice_service_task_complete - finish up the service task 1458940b61afSAnirudh Venkataramanan * @pf: board private structure 1459940b61afSAnirudh Venkataramanan */ 1460940b61afSAnirudh Venkataramanan static void ice_service_task_complete(struct ice_pf *pf) 1461940b61afSAnirudh Venkataramanan { 14627e408e07SAnirudh Venkataramanan WARN_ON(!test_bit(ICE_SERVICE_SCHED, pf->state)); 1463940b61afSAnirudh Venkataramanan 1464940b61afSAnirudh Venkataramanan /* force memory (pf->state) to sync before next service task */ 1465940b61afSAnirudh Venkataramanan smp_mb__before_atomic(); 14667e408e07SAnirudh Venkataramanan clear_bit(ICE_SERVICE_SCHED, pf->state); 1467940b61afSAnirudh Venkataramanan } 1468940b61afSAnirudh Venkataramanan 1469940b61afSAnirudh Venkataramanan /** 14708d81fa55SAkeem G Abodunrin * ice_service_task_stop - stop service task and cancel works 14718d81fa55SAkeem G Abodunrin * @pf: board private structure 1472769c500dSAkeem G Abodunrin * 14737e408e07SAnirudh Venkataramanan * Return 0 if the ICE_SERVICE_DIS bit was not already set, 1474769c500dSAkeem G Abodunrin * 1 otherwise. 14758d81fa55SAkeem G Abodunrin */ 1476769c500dSAkeem G Abodunrin static int ice_service_task_stop(struct ice_pf *pf) 14778d81fa55SAkeem G Abodunrin { 1478769c500dSAkeem G Abodunrin int ret; 1479769c500dSAkeem G Abodunrin 14807e408e07SAnirudh Venkataramanan ret = test_and_set_bit(ICE_SERVICE_DIS, pf->state); 14818d81fa55SAkeem G Abodunrin 14828d81fa55SAkeem G Abodunrin if (pf->serv_tmr.function) 14838d81fa55SAkeem G Abodunrin del_timer_sync(&pf->serv_tmr); 14848d81fa55SAkeem G Abodunrin if (pf->serv_task.func) 14858d81fa55SAkeem G Abodunrin cancel_work_sync(&pf->serv_task); 14868d81fa55SAkeem G Abodunrin 14877e408e07SAnirudh Venkataramanan clear_bit(ICE_SERVICE_SCHED, pf->state); 1488769c500dSAkeem G Abodunrin return ret; 14898d81fa55SAkeem G Abodunrin } 14908d81fa55SAkeem G Abodunrin 14918d81fa55SAkeem G Abodunrin /** 14925995b6d0SBrett Creeley * ice_service_task_restart - restart service task and schedule works 14935995b6d0SBrett Creeley * @pf: board private structure 14945995b6d0SBrett Creeley * 14955995b6d0SBrett Creeley * This function is needed for suspend and resume works (e.g WoL scenario) 14965995b6d0SBrett Creeley */ 14975995b6d0SBrett Creeley static void ice_service_task_restart(struct ice_pf *pf) 14985995b6d0SBrett Creeley { 14997e408e07SAnirudh Venkataramanan clear_bit(ICE_SERVICE_DIS, pf->state); 15005995b6d0SBrett Creeley ice_service_task_schedule(pf); 15015995b6d0SBrett Creeley } 15025995b6d0SBrett Creeley 15035995b6d0SBrett Creeley /** 1504940b61afSAnirudh Venkataramanan * ice_service_timer - timer callback to schedule service task 1505940b61afSAnirudh Venkataramanan * @t: pointer to timer_list 1506940b61afSAnirudh Venkataramanan */ 1507940b61afSAnirudh Venkataramanan static void ice_service_timer(struct timer_list *t) 1508940b61afSAnirudh Venkataramanan { 1509940b61afSAnirudh Venkataramanan struct ice_pf *pf = from_timer(pf, t, serv_tmr); 1510940b61afSAnirudh Venkataramanan 1511940b61afSAnirudh Venkataramanan mod_timer(&pf->serv_tmr, round_jiffies(pf->serv_tmr_period + jiffies)); 1512940b61afSAnirudh Venkataramanan ice_service_task_schedule(pf); 1513940b61afSAnirudh Venkataramanan } 1514940b61afSAnirudh Venkataramanan 1515940b61afSAnirudh Venkataramanan /** 1516b3969fd7SSudheer Mogilappagari * ice_handle_mdd_event - handle malicious driver detect event 1517b3969fd7SSudheer Mogilappagari * @pf: pointer to the PF structure 1518b3969fd7SSudheer Mogilappagari * 15199d5c5a52SPaul Greenwalt * Called from service task. OICR interrupt handler indicates MDD event. 15209d5c5a52SPaul Greenwalt * VF MDD logging is guarded by net_ratelimit. Additional PF and VF log 15219d5c5a52SPaul Greenwalt * messages are wrapped by netif_msg_[rx|tx]_err. Since VF Rx MDD events 15229d5c5a52SPaul Greenwalt * disable the queue, the PF can be configured to reset the VF using ethtool 15239d5c5a52SPaul Greenwalt * private flag mdd-auto-reset-vf. 1524b3969fd7SSudheer Mogilappagari */ 1525b3969fd7SSudheer Mogilappagari static void ice_handle_mdd_event(struct ice_pf *pf) 1526b3969fd7SSudheer Mogilappagari { 15274015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 1528b3969fd7SSudheer Mogilappagari struct ice_hw *hw = &pf->hw; 1529c1e08830SJesse Brandeburg unsigned int i; 1530b3969fd7SSudheer Mogilappagari u32 reg; 1531b3969fd7SSudheer Mogilappagari 15327e408e07SAnirudh Venkataramanan if (!test_and_clear_bit(ICE_MDD_EVENT_PENDING, pf->state)) { 15339d5c5a52SPaul Greenwalt /* Since the VF MDD event logging is rate limited, check if 15349d5c5a52SPaul Greenwalt * there are pending MDD events. 15359d5c5a52SPaul Greenwalt */ 15369d5c5a52SPaul Greenwalt ice_print_vfs_mdd_events(pf); 1537b3969fd7SSudheer Mogilappagari return; 15389d5c5a52SPaul Greenwalt } 1539b3969fd7SSudheer Mogilappagari 15409d5c5a52SPaul Greenwalt /* find what triggered an MDD event */ 1541b3969fd7SSudheer Mogilappagari reg = rd32(hw, GL_MDET_TX_PQM); 1542b3969fd7SSudheer Mogilappagari if (reg & GL_MDET_TX_PQM_VALID_M) { 1543b3969fd7SSudheer Mogilappagari u8 pf_num = (reg & GL_MDET_TX_PQM_PF_NUM_M) >> 1544b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_PF_NUM_S; 1545b3969fd7SSudheer Mogilappagari u16 vf_num = (reg & GL_MDET_TX_PQM_VF_NUM_M) >> 1546b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_VF_NUM_S; 1547b3969fd7SSudheer Mogilappagari u8 event = (reg & GL_MDET_TX_PQM_MAL_TYPE_M) >> 1548b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_MAL_TYPE_S; 1549b3969fd7SSudheer Mogilappagari u16 queue = ((reg & GL_MDET_TX_PQM_QNUM_M) >> 1550b3969fd7SSudheer Mogilappagari GL_MDET_TX_PQM_QNUM_S); 1551b3969fd7SSudheer Mogilappagari 1552b3969fd7SSudheer Mogilappagari if (netif_msg_tx_err(pf)) 15534015d11eSBrett Creeley dev_info(dev, "Malicious Driver Detection event %d on TX queue %d PF# %d VF# %d\n", 1554b3969fd7SSudheer Mogilappagari event, queue, pf_num, vf_num); 1555b3969fd7SSudheer Mogilappagari wr32(hw, GL_MDET_TX_PQM, 0xffffffff); 1556b3969fd7SSudheer Mogilappagari } 1557b3969fd7SSudheer Mogilappagari 1558b3969fd7SSudheer Mogilappagari reg = rd32(hw, GL_MDET_TX_TCLAN); 1559b3969fd7SSudheer Mogilappagari if (reg & GL_MDET_TX_TCLAN_VALID_M) { 1560b3969fd7SSudheer Mogilappagari u8 pf_num = (reg & GL_MDET_TX_TCLAN_PF_NUM_M) >> 1561b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_PF_NUM_S; 1562b3969fd7SSudheer Mogilappagari u16 vf_num = (reg & GL_MDET_TX_TCLAN_VF_NUM_M) >> 1563b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_VF_NUM_S; 1564b3969fd7SSudheer Mogilappagari u8 event = (reg & GL_MDET_TX_TCLAN_MAL_TYPE_M) >> 1565b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_MAL_TYPE_S; 1566b3969fd7SSudheer Mogilappagari u16 queue = ((reg & GL_MDET_TX_TCLAN_QNUM_M) >> 1567b3969fd7SSudheer Mogilappagari GL_MDET_TX_TCLAN_QNUM_S); 1568b3969fd7SSudheer Mogilappagari 15691d8bd992SBen Shelton if (netif_msg_tx_err(pf)) 15704015d11eSBrett Creeley dev_info(dev, "Malicious Driver Detection event %d on TX queue %d PF# %d VF# %d\n", 1571b3969fd7SSudheer Mogilappagari event, queue, pf_num, vf_num); 1572b3969fd7SSudheer Mogilappagari wr32(hw, GL_MDET_TX_TCLAN, 0xffffffff); 1573b3969fd7SSudheer Mogilappagari } 1574b3969fd7SSudheer Mogilappagari 1575b3969fd7SSudheer Mogilappagari reg = rd32(hw, GL_MDET_RX); 1576b3969fd7SSudheer Mogilappagari if (reg & GL_MDET_RX_VALID_M) { 1577b3969fd7SSudheer Mogilappagari u8 pf_num = (reg & GL_MDET_RX_PF_NUM_M) >> 1578b3969fd7SSudheer Mogilappagari GL_MDET_RX_PF_NUM_S; 1579b3969fd7SSudheer Mogilappagari u16 vf_num = (reg & GL_MDET_RX_VF_NUM_M) >> 1580b3969fd7SSudheer Mogilappagari GL_MDET_RX_VF_NUM_S; 1581b3969fd7SSudheer Mogilappagari u8 event = (reg & GL_MDET_RX_MAL_TYPE_M) >> 1582b3969fd7SSudheer Mogilappagari GL_MDET_RX_MAL_TYPE_S; 1583b3969fd7SSudheer Mogilappagari u16 queue = ((reg & GL_MDET_RX_QNUM_M) >> 1584b3969fd7SSudheer Mogilappagari GL_MDET_RX_QNUM_S); 1585b3969fd7SSudheer Mogilappagari 1586b3969fd7SSudheer Mogilappagari if (netif_msg_rx_err(pf)) 15874015d11eSBrett Creeley dev_info(dev, "Malicious Driver Detection event %d on RX queue %d PF# %d VF# %d\n", 1588b3969fd7SSudheer Mogilappagari event, queue, pf_num, vf_num); 1589b3969fd7SSudheer Mogilappagari wr32(hw, GL_MDET_RX, 0xffffffff); 1590b3969fd7SSudheer Mogilappagari } 1591b3969fd7SSudheer Mogilappagari 15929d5c5a52SPaul Greenwalt /* check to see if this PF caused an MDD event */ 1593b3969fd7SSudheer Mogilappagari reg = rd32(hw, PF_MDET_TX_PQM); 1594b3969fd7SSudheer Mogilappagari if (reg & PF_MDET_TX_PQM_VALID_M) { 1595b3969fd7SSudheer Mogilappagari wr32(hw, PF_MDET_TX_PQM, 0xFFFF); 15969d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 15979d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_PQM detected on PF\n"); 1598b3969fd7SSudheer Mogilappagari } 1599b3969fd7SSudheer Mogilappagari 1600b3969fd7SSudheer Mogilappagari reg = rd32(hw, PF_MDET_TX_TCLAN); 1601b3969fd7SSudheer Mogilappagari if (reg & PF_MDET_TX_TCLAN_VALID_M) { 1602b3969fd7SSudheer Mogilappagari wr32(hw, PF_MDET_TX_TCLAN, 0xFFFF); 16039d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 16049d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_TCLAN detected on PF\n"); 1605b3969fd7SSudheer Mogilappagari } 1606b3969fd7SSudheer Mogilappagari 1607b3969fd7SSudheer Mogilappagari reg = rd32(hw, PF_MDET_RX); 1608b3969fd7SSudheer Mogilappagari if (reg & PF_MDET_RX_VALID_M) { 1609b3969fd7SSudheer Mogilappagari wr32(hw, PF_MDET_RX, 0xFFFF); 16109d5c5a52SPaul Greenwalt if (netif_msg_rx_err(pf)) 16119d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event RX detected on PF\n"); 1612b3969fd7SSudheer Mogilappagari } 1613b3969fd7SSudheer Mogilappagari 16149d5c5a52SPaul Greenwalt /* Check to see if one of the VFs caused an MDD event, and then 16159d5c5a52SPaul Greenwalt * increment counters and set print pending 16169d5c5a52SPaul Greenwalt */ 1617005881bcSBrett Creeley ice_for_each_vf(pf, i) { 16187c4bc1f5SAnirudh Venkataramanan struct ice_vf *vf = &pf->vf[i]; 16197c4bc1f5SAnirudh Venkataramanan 16207c4bc1f5SAnirudh Venkataramanan reg = rd32(hw, VP_MDET_TX_PQM(i)); 16217c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_TX_PQM_VALID_M) { 16227c4bc1f5SAnirudh Venkataramanan wr32(hw, VP_MDET_TX_PQM(i), 0xFFFF); 16239d5c5a52SPaul Greenwalt vf->mdd_tx_events.count++; 16247e408e07SAnirudh Venkataramanan set_bit(ICE_MDD_VF_PRINT_PENDING, pf->state); 16259d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 16269d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_PQM detected on VF %d\n", 16277c4bc1f5SAnirudh Venkataramanan i); 16287c4bc1f5SAnirudh Venkataramanan } 16297c4bc1f5SAnirudh Venkataramanan 16307c4bc1f5SAnirudh Venkataramanan reg = rd32(hw, VP_MDET_TX_TCLAN(i)); 16317c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_TX_TCLAN_VALID_M) { 16327c4bc1f5SAnirudh Venkataramanan wr32(hw, VP_MDET_TX_TCLAN(i), 0xFFFF); 16339d5c5a52SPaul Greenwalt vf->mdd_tx_events.count++; 16347e408e07SAnirudh Venkataramanan set_bit(ICE_MDD_VF_PRINT_PENDING, pf->state); 16359d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 16369d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_TCLAN detected on VF %d\n", 16377c4bc1f5SAnirudh Venkataramanan i); 16387c4bc1f5SAnirudh Venkataramanan } 16397c4bc1f5SAnirudh Venkataramanan 16407c4bc1f5SAnirudh Venkataramanan reg = rd32(hw, VP_MDET_TX_TDPU(i)); 16417c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_TX_TDPU_VALID_M) { 16427c4bc1f5SAnirudh Venkataramanan wr32(hw, VP_MDET_TX_TDPU(i), 0xFFFF); 16439d5c5a52SPaul Greenwalt vf->mdd_tx_events.count++; 16447e408e07SAnirudh Venkataramanan set_bit(ICE_MDD_VF_PRINT_PENDING, pf->state); 16459d5c5a52SPaul Greenwalt if (netif_msg_tx_err(pf)) 16469d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event TX_TDPU detected on VF %d\n", 16477c4bc1f5SAnirudh Venkataramanan i); 16487c4bc1f5SAnirudh Venkataramanan } 16497c4bc1f5SAnirudh Venkataramanan 16507c4bc1f5SAnirudh Venkataramanan reg = rd32(hw, VP_MDET_RX(i)); 16517c4bc1f5SAnirudh Venkataramanan if (reg & VP_MDET_RX_VALID_M) { 16527c4bc1f5SAnirudh Venkataramanan wr32(hw, VP_MDET_RX(i), 0xFFFF); 16539d5c5a52SPaul Greenwalt vf->mdd_rx_events.count++; 16547e408e07SAnirudh Venkataramanan set_bit(ICE_MDD_VF_PRINT_PENDING, pf->state); 16559d5c5a52SPaul Greenwalt if (netif_msg_rx_err(pf)) 16569d5c5a52SPaul Greenwalt dev_info(dev, "Malicious Driver Detection event RX detected on VF %d\n", 16577c4bc1f5SAnirudh Venkataramanan i); 16589d5c5a52SPaul Greenwalt 16599d5c5a52SPaul Greenwalt /* Since the queue is disabled on VF Rx MDD events, the 16609d5c5a52SPaul Greenwalt * PF can be configured to reset the VF through ethtool 16619d5c5a52SPaul Greenwalt * private flag mdd-auto-reset-vf. 16629d5c5a52SPaul Greenwalt */ 16637438a3b0SPaul Greenwalt if (test_bit(ICE_FLAG_MDD_AUTO_RESET_VF, pf->flags)) { 16647438a3b0SPaul Greenwalt /* VF MDD event counters will be cleared by 16657438a3b0SPaul Greenwalt * reset, so print the event prior to reset. 16667438a3b0SPaul Greenwalt */ 16677438a3b0SPaul Greenwalt ice_print_vf_rx_mdd_event(vf); 16689d5c5a52SPaul Greenwalt ice_reset_vf(&pf->vf[i], false); 16699d5c5a52SPaul Greenwalt } 16707c4bc1f5SAnirudh Venkataramanan } 16717438a3b0SPaul Greenwalt } 16727c4bc1f5SAnirudh Venkataramanan 16739d5c5a52SPaul Greenwalt ice_print_vfs_mdd_events(pf); 1674b3969fd7SSudheer Mogilappagari } 1675b3969fd7SSudheer Mogilappagari 1676b3969fd7SSudheer Mogilappagari /** 16776d599946STony Nguyen * ice_force_phys_link_state - Force the physical link state 16786d599946STony Nguyen * @vsi: VSI to force the physical link state to up/down 16796d599946STony Nguyen * @link_up: true/false indicates to set the physical link to up/down 16806d599946STony Nguyen * 16816d599946STony Nguyen * Force the physical link state by getting the current PHY capabilities from 16826d599946STony Nguyen * hardware and setting the PHY config based on the determined capabilities. If 16836d599946STony Nguyen * link changes a link event will be triggered because both the Enable Automatic 16846d599946STony Nguyen * Link Update and LESM Enable bits are set when setting the PHY capabilities. 16856d599946STony Nguyen * 16866d599946STony Nguyen * Returns 0 on success, negative on failure 16876d599946STony Nguyen */ 16886d599946STony Nguyen static int ice_force_phys_link_state(struct ice_vsi *vsi, bool link_up) 16896d599946STony Nguyen { 16906d599946STony Nguyen struct ice_aqc_get_phy_caps_data *pcaps; 16916d599946STony Nguyen struct ice_aqc_set_phy_cfg_data *cfg; 16926d599946STony Nguyen struct ice_port_info *pi; 16936d599946STony Nguyen struct device *dev; 16946d599946STony Nguyen int retcode; 16956d599946STony Nguyen 16966d599946STony Nguyen if (!vsi || !vsi->port_info || !vsi->back) 16976d599946STony Nguyen return -EINVAL; 16986d599946STony Nguyen if (vsi->type != ICE_VSI_PF) 16996d599946STony Nguyen return 0; 17006d599946STony Nguyen 17019a946843SAnirudh Venkataramanan dev = ice_pf_to_dev(vsi->back); 17026d599946STony Nguyen 17036d599946STony Nguyen pi = vsi->port_info; 17046d599946STony Nguyen 17059efe35d0STony Nguyen pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 17066d599946STony Nguyen if (!pcaps) 17076d599946STony Nguyen return -ENOMEM; 17086d599946STony Nguyen 1709d6730a87SAnirudh Venkataramanan retcode = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 17106d599946STony Nguyen NULL); 17116d599946STony Nguyen if (retcode) { 171219cce2c6SAnirudh Venkataramanan dev_err(dev, "Failed to get phy capabilities, VSI %d error %d\n", 17136d599946STony Nguyen vsi->vsi_num, retcode); 17146d599946STony Nguyen retcode = -EIO; 17156d599946STony Nguyen goto out; 17166d599946STony Nguyen } 17176d599946STony Nguyen 17186d599946STony Nguyen /* No change in link */ 17196d599946STony Nguyen if (link_up == !!(pcaps->caps & ICE_AQC_PHY_EN_LINK) && 17206d599946STony Nguyen link_up == !!(pi->phy.link_info.link_info & ICE_AQ_LINK_UP)) 17216d599946STony Nguyen goto out; 17226d599946STony Nguyen 17231a3571b5SPaul Greenwalt /* Use the current user PHY configuration. The current user PHY 17241a3571b5SPaul Greenwalt * configuration is initialized during probe from PHY capabilities 17251a3571b5SPaul Greenwalt * software mode, and updated on set PHY configuration. 17261a3571b5SPaul Greenwalt */ 17271a3571b5SPaul Greenwalt cfg = kmemdup(&pi->phy.curr_user_phy_cfg, sizeof(*cfg), GFP_KERNEL); 17286d599946STony Nguyen if (!cfg) { 17296d599946STony Nguyen retcode = -ENOMEM; 17306d599946STony Nguyen goto out; 17316d599946STony Nguyen } 17326d599946STony Nguyen 17331a3571b5SPaul Greenwalt cfg->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 17346d599946STony Nguyen if (link_up) 17356d599946STony Nguyen cfg->caps |= ICE_AQ_PHY_ENA_LINK; 17366d599946STony Nguyen else 17376d599946STony Nguyen cfg->caps &= ~ICE_AQ_PHY_ENA_LINK; 17386d599946STony Nguyen 17391a3571b5SPaul Greenwalt retcode = ice_aq_set_phy_cfg(&vsi->back->hw, pi, cfg, NULL); 17406d599946STony Nguyen if (retcode) { 17416d599946STony Nguyen dev_err(dev, "Failed to set phy config, VSI %d error %d\n", 17426d599946STony Nguyen vsi->vsi_num, retcode); 17436d599946STony Nguyen retcode = -EIO; 17446d599946STony Nguyen } 17456d599946STony Nguyen 17469efe35d0STony Nguyen kfree(cfg); 17476d599946STony Nguyen out: 17489efe35d0STony Nguyen kfree(pcaps); 17496d599946STony Nguyen return retcode; 17506d599946STony Nguyen } 17516d599946STony Nguyen 17526d599946STony Nguyen /** 17531a3571b5SPaul Greenwalt * ice_init_nvm_phy_type - Initialize the NVM PHY type 17541a3571b5SPaul Greenwalt * @pi: port info structure 17551a3571b5SPaul Greenwalt * 1756ea78ce4dSPaul Greenwalt * Initialize nvm_phy_type_[low|high] for link lenient mode support 17571a3571b5SPaul Greenwalt */ 17581a3571b5SPaul Greenwalt static int ice_init_nvm_phy_type(struct ice_port_info *pi) 17591a3571b5SPaul Greenwalt { 17601a3571b5SPaul Greenwalt struct ice_aqc_get_phy_caps_data *pcaps; 17611a3571b5SPaul Greenwalt struct ice_pf *pf = pi->hw->back; 17621a3571b5SPaul Greenwalt enum ice_status status; 17631a3571b5SPaul Greenwalt int err = 0; 17641a3571b5SPaul Greenwalt 17651a3571b5SPaul Greenwalt pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 17661a3571b5SPaul Greenwalt if (!pcaps) 17671a3571b5SPaul Greenwalt return -ENOMEM; 17681a3571b5SPaul Greenwalt 1769d6730a87SAnirudh Venkataramanan status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_NO_MEDIA, pcaps, 17701a3571b5SPaul Greenwalt NULL); 17711a3571b5SPaul Greenwalt 17721a3571b5SPaul Greenwalt if (status) { 17731a3571b5SPaul Greenwalt dev_err(ice_pf_to_dev(pf), "Get PHY capability failed.\n"); 17741a3571b5SPaul Greenwalt err = -EIO; 17751a3571b5SPaul Greenwalt goto out; 17761a3571b5SPaul Greenwalt } 17771a3571b5SPaul Greenwalt 17781a3571b5SPaul Greenwalt pf->nvm_phy_type_hi = pcaps->phy_type_high; 17791a3571b5SPaul Greenwalt pf->nvm_phy_type_lo = pcaps->phy_type_low; 17801a3571b5SPaul Greenwalt 17811a3571b5SPaul Greenwalt out: 17821a3571b5SPaul Greenwalt kfree(pcaps); 17831a3571b5SPaul Greenwalt return err; 17841a3571b5SPaul Greenwalt } 17851a3571b5SPaul Greenwalt 17861a3571b5SPaul Greenwalt /** 1787ea78ce4dSPaul Greenwalt * ice_init_link_dflt_override - Initialize link default override 1788ea78ce4dSPaul Greenwalt * @pi: port info structure 1789b4e813ddSBruce Allan * 1790b4e813ddSBruce Allan * Initialize link default override and PHY total port shutdown during probe 1791ea78ce4dSPaul Greenwalt */ 1792ea78ce4dSPaul Greenwalt static void ice_init_link_dflt_override(struct ice_port_info *pi) 1793ea78ce4dSPaul Greenwalt { 1794ea78ce4dSPaul Greenwalt struct ice_link_default_override_tlv *ldo; 1795ea78ce4dSPaul Greenwalt struct ice_pf *pf = pi->hw->back; 1796ea78ce4dSPaul Greenwalt 1797ea78ce4dSPaul Greenwalt ldo = &pf->link_dflt_override; 1798b4e813ddSBruce Allan if (ice_get_link_default_override(ldo, pi)) 1799b4e813ddSBruce Allan return; 1800b4e813ddSBruce Allan 1801b4e813ddSBruce Allan if (!(ldo->options & ICE_LINK_OVERRIDE_PORT_DIS)) 1802b4e813ddSBruce Allan return; 1803b4e813ddSBruce Allan 1804b4e813ddSBruce Allan /* Enable Total Port Shutdown (override/replace link-down-on-close 1805b4e813ddSBruce Allan * ethtool private flag) for ports with Port Disable bit set. 1806b4e813ddSBruce Allan */ 1807b4e813ddSBruce Allan set_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags); 1808b4e813ddSBruce Allan set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1809ea78ce4dSPaul Greenwalt } 1810ea78ce4dSPaul Greenwalt 1811ea78ce4dSPaul Greenwalt /** 1812ea78ce4dSPaul Greenwalt * ice_init_phy_cfg_dflt_override - Initialize PHY cfg default override settings 1813ea78ce4dSPaul Greenwalt * @pi: port info structure 1814ea78ce4dSPaul Greenwalt * 18150a02944fSAnirudh Venkataramanan * If default override is enabled, initialize the user PHY cfg speed and FEC 1816ea78ce4dSPaul Greenwalt * settings using the default override mask from the NVM. 1817ea78ce4dSPaul Greenwalt * 1818ea78ce4dSPaul Greenwalt * The PHY should only be configured with the default override settings the 18197e408e07SAnirudh Venkataramanan * first time media is available. The ICE_LINK_DEFAULT_OVERRIDE_PENDING state 1820ea78ce4dSPaul Greenwalt * is used to indicate that the user PHY cfg default override is initialized 1821ea78ce4dSPaul Greenwalt * and the PHY has not been configured with the default override settings. The 1822ea78ce4dSPaul Greenwalt * state is set here, and cleared in ice_configure_phy the first time the PHY is 1823ea78ce4dSPaul Greenwalt * configured. 18240a02944fSAnirudh Venkataramanan * 18250a02944fSAnirudh Venkataramanan * This function should be called only if the FW doesn't support default 18260a02944fSAnirudh Venkataramanan * configuration mode, as reported by ice_fw_supports_report_dflt_cfg. 1827ea78ce4dSPaul Greenwalt */ 1828ea78ce4dSPaul Greenwalt static void ice_init_phy_cfg_dflt_override(struct ice_port_info *pi) 1829ea78ce4dSPaul Greenwalt { 1830ea78ce4dSPaul Greenwalt struct ice_link_default_override_tlv *ldo; 1831ea78ce4dSPaul Greenwalt struct ice_aqc_set_phy_cfg_data *cfg; 1832ea78ce4dSPaul Greenwalt struct ice_phy_info *phy = &pi->phy; 1833ea78ce4dSPaul Greenwalt struct ice_pf *pf = pi->hw->back; 1834ea78ce4dSPaul Greenwalt 1835ea78ce4dSPaul Greenwalt ldo = &pf->link_dflt_override; 1836ea78ce4dSPaul Greenwalt 1837ea78ce4dSPaul Greenwalt /* If link default override is enabled, use to mask NVM PHY capabilities 1838ea78ce4dSPaul Greenwalt * for speed and FEC default configuration. 1839ea78ce4dSPaul Greenwalt */ 1840ea78ce4dSPaul Greenwalt cfg = &phy->curr_user_phy_cfg; 1841ea78ce4dSPaul Greenwalt 1842ea78ce4dSPaul Greenwalt if (ldo->phy_type_low || ldo->phy_type_high) { 1843ea78ce4dSPaul Greenwalt cfg->phy_type_low = pf->nvm_phy_type_lo & 1844ea78ce4dSPaul Greenwalt cpu_to_le64(ldo->phy_type_low); 1845ea78ce4dSPaul Greenwalt cfg->phy_type_high = pf->nvm_phy_type_hi & 1846ea78ce4dSPaul Greenwalt cpu_to_le64(ldo->phy_type_high); 1847ea78ce4dSPaul Greenwalt } 1848ea78ce4dSPaul Greenwalt cfg->link_fec_opt = ldo->fec_options; 1849ea78ce4dSPaul Greenwalt phy->curr_user_fec_req = ICE_FEC_AUTO; 1850ea78ce4dSPaul Greenwalt 18517e408e07SAnirudh Venkataramanan set_bit(ICE_LINK_DEFAULT_OVERRIDE_PENDING, pf->state); 1852ea78ce4dSPaul Greenwalt } 1853ea78ce4dSPaul Greenwalt 1854ea78ce4dSPaul Greenwalt /** 18551a3571b5SPaul Greenwalt * ice_init_phy_user_cfg - Initialize the PHY user configuration 18561a3571b5SPaul Greenwalt * @pi: port info structure 18571a3571b5SPaul Greenwalt * 18581a3571b5SPaul Greenwalt * Initialize the current user PHY configuration, speed, FEC, and FC requested 18591a3571b5SPaul Greenwalt * mode to default. The PHY defaults are from get PHY capabilities topology 18601a3571b5SPaul Greenwalt * with media so call when media is first available. An error is returned if 18611a3571b5SPaul Greenwalt * called when media is not available. The PHY initialization completed state is 18621a3571b5SPaul Greenwalt * set here. 18631a3571b5SPaul Greenwalt * 18641a3571b5SPaul Greenwalt * These configurations are used when setting PHY 18651a3571b5SPaul Greenwalt * configuration. The user PHY configuration is updated on set PHY 18661a3571b5SPaul Greenwalt * configuration. Returns 0 on success, negative on failure 18671a3571b5SPaul Greenwalt */ 18681a3571b5SPaul Greenwalt static int ice_init_phy_user_cfg(struct ice_port_info *pi) 18691a3571b5SPaul Greenwalt { 18701a3571b5SPaul Greenwalt struct ice_aqc_get_phy_caps_data *pcaps; 18711a3571b5SPaul Greenwalt struct ice_phy_info *phy = &pi->phy; 18721a3571b5SPaul Greenwalt struct ice_pf *pf = pi->hw->back; 18731a3571b5SPaul Greenwalt enum ice_status status; 18741a3571b5SPaul Greenwalt int err = 0; 18751a3571b5SPaul Greenwalt 18761a3571b5SPaul Greenwalt if (!(phy->link_info.link_info & ICE_AQ_MEDIA_AVAILABLE)) 18771a3571b5SPaul Greenwalt return -EIO; 18781a3571b5SPaul Greenwalt 18791a3571b5SPaul Greenwalt pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 18801a3571b5SPaul Greenwalt if (!pcaps) 18811a3571b5SPaul Greenwalt return -ENOMEM; 18821a3571b5SPaul Greenwalt 18830a02944fSAnirudh Venkataramanan if (ice_fw_supports_report_dflt_cfg(pi->hw)) 18840a02944fSAnirudh Venkataramanan status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 18850a02944fSAnirudh Venkataramanan pcaps, NULL); 18860a02944fSAnirudh Venkataramanan else 18870a02944fSAnirudh Venkataramanan status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 18880a02944fSAnirudh Venkataramanan pcaps, NULL); 18891a3571b5SPaul Greenwalt if (status) { 18901a3571b5SPaul Greenwalt dev_err(ice_pf_to_dev(pf), "Get PHY capability failed.\n"); 18911a3571b5SPaul Greenwalt err = -EIO; 18921a3571b5SPaul Greenwalt goto err_out; 18931a3571b5SPaul Greenwalt } 18941a3571b5SPaul Greenwalt 1895ea78ce4dSPaul Greenwalt ice_copy_phy_caps_to_cfg(pi, pcaps, &pi->phy.curr_user_phy_cfg); 1896ea78ce4dSPaul Greenwalt 1897ea78ce4dSPaul Greenwalt /* check if lenient mode is supported and enabled */ 1898dc6aaa13SAnirudh Venkataramanan if (ice_fw_supports_link_override(pi->hw) && 1899ea78ce4dSPaul Greenwalt !(pcaps->module_compliance_enforcement & 1900ea78ce4dSPaul Greenwalt ICE_AQC_MOD_ENFORCE_STRICT_MODE)) { 1901ea78ce4dSPaul Greenwalt set_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags); 1902ea78ce4dSPaul Greenwalt 19030a02944fSAnirudh Venkataramanan /* if the FW supports default PHY configuration mode, then the driver 19040a02944fSAnirudh Venkataramanan * does not have to apply link override settings. If not, 19050a02944fSAnirudh Venkataramanan * initialize user PHY configuration with link override values 1906ea78ce4dSPaul Greenwalt */ 19070a02944fSAnirudh Venkataramanan if (!ice_fw_supports_report_dflt_cfg(pi->hw) && 19080a02944fSAnirudh Venkataramanan (pf->link_dflt_override.options & ICE_LINK_OVERRIDE_EN)) { 1909ea78ce4dSPaul Greenwalt ice_init_phy_cfg_dflt_override(pi); 1910ea78ce4dSPaul Greenwalt goto out; 1911ea78ce4dSPaul Greenwalt } 1912ea78ce4dSPaul Greenwalt } 1913ea78ce4dSPaul Greenwalt 19140a02944fSAnirudh Venkataramanan /* if link default override is not enabled, set user flow control and 19150a02944fSAnirudh Venkataramanan * FEC settings based on what get_phy_caps returned 1916ea78ce4dSPaul Greenwalt */ 19171a3571b5SPaul Greenwalt phy->curr_user_fec_req = ice_caps_to_fec_mode(pcaps->caps, 19181a3571b5SPaul Greenwalt pcaps->link_fec_options); 19191a3571b5SPaul Greenwalt phy->curr_user_fc_req = ice_caps_to_fc_mode(pcaps->caps); 19201a3571b5SPaul Greenwalt 1921ea78ce4dSPaul Greenwalt out: 19221a3571b5SPaul Greenwalt phy->curr_user_speed_req = ICE_AQ_LINK_SPEED_M; 19237e408e07SAnirudh Venkataramanan set_bit(ICE_PHY_INIT_COMPLETE, pf->state); 19241a3571b5SPaul Greenwalt err_out: 19251a3571b5SPaul Greenwalt kfree(pcaps); 19261a3571b5SPaul Greenwalt return err; 19271a3571b5SPaul Greenwalt } 19281a3571b5SPaul Greenwalt 19291a3571b5SPaul Greenwalt /** 19301a3571b5SPaul Greenwalt * ice_configure_phy - configure PHY 19311a3571b5SPaul Greenwalt * @vsi: VSI of PHY 19321a3571b5SPaul Greenwalt * 19331a3571b5SPaul Greenwalt * Set the PHY configuration. If the current PHY configuration is the same as 19341a3571b5SPaul Greenwalt * the curr_user_phy_cfg, then do nothing to avoid link flap. Otherwise 19351a3571b5SPaul Greenwalt * configure the based get PHY capabilities for topology with media. 19361a3571b5SPaul Greenwalt */ 19371a3571b5SPaul Greenwalt static int ice_configure_phy(struct ice_vsi *vsi) 19381a3571b5SPaul Greenwalt { 19391a3571b5SPaul Greenwalt struct device *dev = ice_pf_to_dev(vsi->back); 1940efc1eddbSAnirudh Venkataramanan struct ice_port_info *pi = vsi->port_info; 19411a3571b5SPaul Greenwalt struct ice_aqc_get_phy_caps_data *pcaps; 19421a3571b5SPaul Greenwalt struct ice_aqc_set_phy_cfg_data *cfg; 1943efc1eddbSAnirudh Venkataramanan struct ice_phy_info *phy = &pi->phy; 1944efc1eddbSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 19451a3571b5SPaul Greenwalt enum ice_status status; 19461a3571b5SPaul Greenwalt int err = 0; 19471a3571b5SPaul Greenwalt 19481a3571b5SPaul Greenwalt /* Ensure we have media as we cannot configure a medialess port */ 1949efc1eddbSAnirudh Venkataramanan if (!(phy->link_info.link_info & ICE_AQ_MEDIA_AVAILABLE)) 19501a3571b5SPaul Greenwalt return -EPERM; 19511a3571b5SPaul Greenwalt 19521a3571b5SPaul Greenwalt ice_print_topo_conflict(vsi); 19531a3571b5SPaul Greenwalt 1954efc1eddbSAnirudh Venkataramanan if (phy->link_info.topo_media_conflict == ICE_AQ_LINK_TOPO_UNSUPP_MEDIA) 19551a3571b5SPaul Greenwalt return -EPERM; 19561a3571b5SPaul Greenwalt 1957efc1eddbSAnirudh Venkataramanan if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags)) 19581a3571b5SPaul Greenwalt return ice_force_phys_link_state(vsi, true); 19591a3571b5SPaul Greenwalt 19601a3571b5SPaul Greenwalt pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 19611a3571b5SPaul Greenwalt if (!pcaps) 19621a3571b5SPaul Greenwalt return -ENOMEM; 19631a3571b5SPaul Greenwalt 19641a3571b5SPaul Greenwalt /* Get current PHY config */ 1965d6730a87SAnirudh Venkataramanan status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 19661a3571b5SPaul Greenwalt NULL); 19671a3571b5SPaul Greenwalt if (status) { 19681a3571b5SPaul Greenwalt dev_err(dev, "Failed to get PHY configuration, VSI %d error %s\n", 19691a3571b5SPaul Greenwalt vsi->vsi_num, ice_stat_str(status)); 19701a3571b5SPaul Greenwalt err = -EIO; 19711a3571b5SPaul Greenwalt goto done; 19721a3571b5SPaul Greenwalt } 19731a3571b5SPaul Greenwalt 19741a3571b5SPaul Greenwalt /* If PHY enable link is configured and configuration has not changed, 19751a3571b5SPaul Greenwalt * there's nothing to do 19761a3571b5SPaul Greenwalt */ 19771a3571b5SPaul Greenwalt if (pcaps->caps & ICE_AQC_PHY_EN_LINK && 1978efc1eddbSAnirudh Venkataramanan ice_phy_caps_equals_cfg(pcaps, &phy->curr_user_phy_cfg)) 19791a3571b5SPaul Greenwalt goto done; 19801a3571b5SPaul Greenwalt 19811a3571b5SPaul Greenwalt /* Use PHY topology as baseline for configuration */ 19821a3571b5SPaul Greenwalt memset(pcaps, 0, sizeof(*pcaps)); 19830a02944fSAnirudh Venkataramanan if (ice_fw_supports_report_dflt_cfg(pi->hw)) 19840a02944fSAnirudh Venkataramanan status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 19850a02944fSAnirudh Venkataramanan pcaps, NULL); 19860a02944fSAnirudh Venkataramanan else 19870a02944fSAnirudh Venkataramanan status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 19880a02944fSAnirudh Venkataramanan pcaps, NULL); 19891a3571b5SPaul Greenwalt if (status) { 19900a02944fSAnirudh Venkataramanan dev_err(dev, "Failed to get PHY caps, VSI %d error %s\n", 19911a3571b5SPaul Greenwalt vsi->vsi_num, ice_stat_str(status)); 19921a3571b5SPaul Greenwalt err = -EIO; 19931a3571b5SPaul Greenwalt goto done; 19941a3571b5SPaul Greenwalt } 19951a3571b5SPaul Greenwalt 19961a3571b5SPaul Greenwalt cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); 19971a3571b5SPaul Greenwalt if (!cfg) { 19981a3571b5SPaul Greenwalt err = -ENOMEM; 19991a3571b5SPaul Greenwalt goto done; 20001a3571b5SPaul Greenwalt } 20011a3571b5SPaul Greenwalt 2002ea78ce4dSPaul Greenwalt ice_copy_phy_caps_to_cfg(pi, pcaps, cfg); 20031a3571b5SPaul Greenwalt 20041a3571b5SPaul Greenwalt /* Speed - If default override pending, use curr_user_phy_cfg set in 20051a3571b5SPaul Greenwalt * ice_init_phy_user_cfg_ldo. 20061a3571b5SPaul Greenwalt */ 20077e408e07SAnirudh Venkataramanan if (test_and_clear_bit(ICE_LINK_DEFAULT_OVERRIDE_PENDING, 2008ea78ce4dSPaul Greenwalt vsi->back->state)) { 2009efc1eddbSAnirudh Venkataramanan cfg->phy_type_low = phy->curr_user_phy_cfg.phy_type_low; 2010efc1eddbSAnirudh Venkataramanan cfg->phy_type_high = phy->curr_user_phy_cfg.phy_type_high; 2011ea78ce4dSPaul Greenwalt } else { 2012ea78ce4dSPaul Greenwalt u64 phy_low = 0, phy_high = 0; 2013ea78ce4dSPaul Greenwalt 2014ea78ce4dSPaul Greenwalt ice_update_phy_type(&phy_low, &phy_high, 2015ea78ce4dSPaul Greenwalt pi->phy.curr_user_speed_req); 20161a3571b5SPaul Greenwalt cfg->phy_type_low = pcaps->phy_type_low & cpu_to_le64(phy_low); 2017ea78ce4dSPaul Greenwalt cfg->phy_type_high = pcaps->phy_type_high & 2018ea78ce4dSPaul Greenwalt cpu_to_le64(phy_high); 2019ea78ce4dSPaul Greenwalt } 20201a3571b5SPaul Greenwalt 20211a3571b5SPaul Greenwalt /* Can't provide what was requested; use PHY capabilities */ 20221a3571b5SPaul Greenwalt if (!cfg->phy_type_low && !cfg->phy_type_high) { 20231a3571b5SPaul Greenwalt cfg->phy_type_low = pcaps->phy_type_low; 20241a3571b5SPaul Greenwalt cfg->phy_type_high = pcaps->phy_type_high; 20251a3571b5SPaul Greenwalt } 20261a3571b5SPaul Greenwalt 20271a3571b5SPaul Greenwalt /* FEC */ 2028efc1eddbSAnirudh Venkataramanan ice_cfg_phy_fec(pi, cfg, phy->curr_user_fec_req); 20291a3571b5SPaul Greenwalt 20301a3571b5SPaul Greenwalt /* Can't provide what was requested; use PHY capabilities */ 20311a3571b5SPaul Greenwalt if (cfg->link_fec_opt != 20321a3571b5SPaul Greenwalt (cfg->link_fec_opt & pcaps->link_fec_options)) { 20331a3571b5SPaul Greenwalt cfg->caps |= pcaps->caps & ICE_AQC_PHY_EN_AUTO_FEC; 20341a3571b5SPaul Greenwalt cfg->link_fec_opt = pcaps->link_fec_options; 20351a3571b5SPaul Greenwalt } 20361a3571b5SPaul Greenwalt 20371a3571b5SPaul Greenwalt /* Flow Control - always supported; no need to check against 20381a3571b5SPaul Greenwalt * capabilities 20391a3571b5SPaul Greenwalt */ 2040efc1eddbSAnirudh Venkataramanan ice_cfg_phy_fc(pi, cfg, phy->curr_user_fc_req); 20411a3571b5SPaul Greenwalt 20421a3571b5SPaul Greenwalt /* Enable link and link update */ 20431a3571b5SPaul Greenwalt cfg->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT | ICE_AQ_PHY_ENA_LINK; 20441a3571b5SPaul Greenwalt 2045efc1eddbSAnirudh Venkataramanan status = ice_aq_set_phy_cfg(&pf->hw, pi, cfg, NULL); 20461a3571b5SPaul Greenwalt if (status) { 20471a3571b5SPaul Greenwalt dev_err(dev, "Failed to set phy config, VSI %d error %s\n", 20481a3571b5SPaul Greenwalt vsi->vsi_num, ice_stat_str(status)); 20491a3571b5SPaul Greenwalt err = -EIO; 20501a3571b5SPaul Greenwalt } 20511a3571b5SPaul Greenwalt 20521a3571b5SPaul Greenwalt kfree(cfg); 20531a3571b5SPaul Greenwalt done: 20541a3571b5SPaul Greenwalt kfree(pcaps); 20551a3571b5SPaul Greenwalt return err; 20561a3571b5SPaul Greenwalt } 20571a3571b5SPaul Greenwalt 20581a3571b5SPaul Greenwalt /** 20591a3571b5SPaul Greenwalt * ice_check_media_subtask - Check for media 20606d599946STony Nguyen * @pf: pointer to PF struct 20611a3571b5SPaul Greenwalt * 20621a3571b5SPaul Greenwalt * If media is available, then initialize PHY user configuration if it is not 20631a3571b5SPaul Greenwalt * been, and configure the PHY if the interface is up. 20646d599946STony Nguyen */ 20656d599946STony Nguyen static void ice_check_media_subtask(struct ice_pf *pf) 20666d599946STony Nguyen { 20676d599946STony Nguyen struct ice_port_info *pi; 20686d599946STony Nguyen struct ice_vsi *vsi; 20696d599946STony Nguyen int err; 20706d599946STony Nguyen 20711a3571b5SPaul Greenwalt /* No need to check for media if it's already present */ 20721a3571b5SPaul Greenwalt if (!test_bit(ICE_FLAG_NO_MEDIA, pf->flags)) 20736d599946STony Nguyen return; 20746d599946STony Nguyen 20751a3571b5SPaul Greenwalt vsi = ice_get_main_vsi(pf); 20761a3571b5SPaul Greenwalt if (!vsi) 20776d599946STony Nguyen return; 20786d599946STony Nguyen 20796d599946STony Nguyen /* Refresh link info and check if media is present */ 20806d599946STony Nguyen pi = vsi->port_info; 20816d599946STony Nguyen err = ice_update_link_info(pi); 20826d599946STony Nguyen if (err) 20836d599946STony Nguyen return; 20846d599946STony Nguyen 2085c77849f5SAnirudh Venkataramanan ice_check_module_power(pf, pi->phy.link_info.link_cfg_err); 2086c77849f5SAnirudh Venkataramanan 20876d599946STony Nguyen if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) { 20887e408e07SAnirudh Venkataramanan if (!test_bit(ICE_PHY_INIT_COMPLETE, pf->state)) 20891a3571b5SPaul Greenwalt ice_init_phy_user_cfg(pi); 20901a3571b5SPaul Greenwalt 20911a3571b5SPaul Greenwalt /* PHY settings are reset on media insertion, reconfigure 20921a3571b5SPaul Greenwalt * PHY to preserve settings. 20931a3571b5SPaul Greenwalt */ 2094e97fb1aeSAnirudh Venkataramanan if (test_bit(ICE_VSI_DOWN, vsi->state) && 20951a3571b5SPaul Greenwalt test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags)) 20966d599946STony Nguyen return; 20971a3571b5SPaul Greenwalt 20981a3571b5SPaul Greenwalt err = ice_configure_phy(vsi); 20991a3571b5SPaul Greenwalt if (!err) 21006d599946STony Nguyen clear_bit(ICE_FLAG_NO_MEDIA, pf->flags); 21016d599946STony Nguyen 21026d599946STony Nguyen /* A Link Status Event will be generated; the event handler 21036d599946STony Nguyen * will complete bringing the interface up 21046d599946STony Nguyen */ 21056d599946STony Nguyen } 21066d599946STony Nguyen } 21076d599946STony Nguyen 21086d599946STony Nguyen /** 2109940b61afSAnirudh Venkataramanan * ice_service_task - manage and run subtasks 2110940b61afSAnirudh Venkataramanan * @work: pointer to work_struct contained by the PF struct 2111940b61afSAnirudh Venkataramanan */ 2112940b61afSAnirudh Venkataramanan static void ice_service_task(struct work_struct *work) 2113940b61afSAnirudh Venkataramanan { 2114940b61afSAnirudh Venkataramanan struct ice_pf *pf = container_of(work, struct ice_pf, serv_task); 2115940b61afSAnirudh Venkataramanan unsigned long start_time = jiffies; 2116940b61afSAnirudh Venkataramanan 2117940b61afSAnirudh Venkataramanan /* subtasks */ 21180b28b702SAnirudh Venkataramanan 21190b28b702SAnirudh Venkataramanan /* process reset requests first */ 21200b28b702SAnirudh Venkataramanan ice_reset_subtask(pf); 21210b28b702SAnirudh Venkataramanan 21220f9d5027SAnirudh Venkataramanan /* bail if a reset/recovery cycle is pending or rebuild failed */ 21235df7e45dSDave Ertman if (ice_is_reset_in_progress(pf->state) || 21247e408e07SAnirudh Venkataramanan test_bit(ICE_SUSPENDED, pf->state) || 21257e408e07SAnirudh Venkataramanan test_bit(ICE_NEEDS_RESTART, pf->state)) { 21260b28b702SAnirudh Venkataramanan ice_service_task_complete(pf); 21270b28b702SAnirudh Venkataramanan return; 21280b28b702SAnirudh Venkataramanan } 21290b28b702SAnirudh Venkataramanan 2130462acf6aSTony Nguyen ice_clean_adminq_subtask(pf); 21316d599946STony Nguyen ice_check_media_subtask(pf); 2132b3969fd7SSudheer Mogilappagari ice_check_for_hang_subtask(pf); 2133e94d4478SAnirudh Venkataramanan ice_sync_fltr_subtask(pf); 2134b3969fd7SSudheer Mogilappagari ice_handle_mdd_event(pf); 2135fcea6f3dSAnirudh Venkataramanan ice_watchdog_subtask(pf); 2136462acf6aSTony Nguyen 2137462acf6aSTony Nguyen if (ice_is_safe_mode(pf)) { 2138462acf6aSTony Nguyen ice_service_task_complete(pf); 2139462acf6aSTony Nguyen return; 2140462acf6aSTony Nguyen } 2141462acf6aSTony Nguyen 2142462acf6aSTony Nguyen ice_process_vflr_event(pf); 214375d2b253SAnirudh Venkataramanan ice_clean_mailboxq_subtask(pf); 21448f5ee3c4SJacob Keller ice_clean_sbq_subtask(pf); 214528bf2672SBrett Creeley ice_sync_arfs_fltrs(pf); 2146d6218317SQi Zhang ice_flush_fdir_ctx(pf); 21477e408e07SAnirudh Venkataramanan 21487e408e07SAnirudh Venkataramanan /* Clear ICE_SERVICE_SCHED flag to allow scheduling next event */ 2149940b61afSAnirudh Venkataramanan ice_service_task_complete(pf); 2150940b61afSAnirudh Venkataramanan 2151940b61afSAnirudh Venkataramanan /* If the tasks have taken longer than one service timer period 2152940b61afSAnirudh Venkataramanan * or there is more work to be done, reset the service timer to 2153940b61afSAnirudh Venkataramanan * schedule the service task now. 2154940b61afSAnirudh Venkataramanan */ 2155940b61afSAnirudh Venkataramanan if (time_after(jiffies, (start_time + pf->serv_tmr_period)) || 21567e408e07SAnirudh Venkataramanan test_bit(ICE_MDD_EVENT_PENDING, pf->state) || 21577e408e07SAnirudh Venkataramanan test_bit(ICE_VFLR_EVENT_PENDING, pf->state) || 21587e408e07SAnirudh Venkataramanan test_bit(ICE_MAILBOXQ_EVENT_PENDING, pf->state) || 21597e408e07SAnirudh Venkataramanan test_bit(ICE_FD_VF_FLUSH_CTX, pf->state) || 21608f5ee3c4SJacob Keller test_bit(ICE_SIDEBANDQ_EVENT_PENDING, pf->state) || 21617e408e07SAnirudh Venkataramanan test_bit(ICE_ADMINQ_EVENT_PENDING, pf->state)) 2162940b61afSAnirudh Venkataramanan mod_timer(&pf->serv_tmr, jiffies); 2163940b61afSAnirudh Venkataramanan } 2164940b61afSAnirudh Venkataramanan 2165837f08fdSAnirudh Venkataramanan /** 2166f31e4b6fSAnirudh Venkataramanan * ice_set_ctrlq_len - helper function to set controlq length 2167f9867df6SAnirudh Venkataramanan * @hw: pointer to the HW instance 2168f31e4b6fSAnirudh Venkataramanan */ 2169f31e4b6fSAnirudh Venkataramanan static void ice_set_ctrlq_len(struct ice_hw *hw) 2170f31e4b6fSAnirudh Venkataramanan { 2171f31e4b6fSAnirudh Venkataramanan hw->adminq.num_rq_entries = ICE_AQ_LEN; 2172f31e4b6fSAnirudh Venkataramanan hw->adminq.num_sq_entries = ICE_AQ_LEN; 2173f31e4b6fSAnirudh Venkataramanan hw->adminq.rq_buf_size = ICE_AQ_MAX_BUF_LEN; 2174f31e4b6fSAnirudh Venkataramanan hw->adminq.sq_buf_size = ICE_AQ_MAX_BUF_LEN; 2175c8a1071dSLukasz Czapnik hw->mailboxq.num_rq_entries = PF_MBX_ARQLEN_ARQLEN_M; 217611836214SBrett Creeley hw->mailboxq.num_sq_entries = ICE_MBXSQ_LEN; 217775d2b253SAnirudh Venkataramanan hw->mailboxq.rq_buf_size = ICE_MBXQ_MAX_BUF_LEN; 217875d2b253SAnirudh Venkataramanan hw->mailboxq.sq_buf_size = ICE_MBXQ_MAX_BUF_LEN; 21798f5ee3c4SJacob Keller hw->sbq.num_rq_entries = ICE_SBQ_LEN; 21808f5ee3c4SJacob Keller hw->sbq.num_sq_entries = ICE_SBQ_LEN; 21818f5ee3c4SJacob Keller hw->sbq.rq_buf_size = ICE_SBQ_MAX_BUF_LEN; 21828f5ee3c4SJacob Keller hw->sbq.sq_buf_size = ICE_SBQ_MAX_BUF_LEN; 2183f31e4b6fSAnirudh Venkataramanan } 2184f31e4b6fSAnirudh Venkataramanan 2185f31e4b6fSAnirudh Venkataramanan /** 218687324e74SHenry Tieman * ice_schedule_reset - schedule a reset 218787324e74SHenry Tieman * @pf: board private structure 218887324e74SHenry Tieman * @reset: reset being requested 218987324e74SHenry Tieman */ 219087324e74SHenry Tieman int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset) 219187324e74SHenry Tieman { 219287324e74SHenry Tieman struct device *dev = ice_pf_to_dev(pf); 219387324e74SHenry Tieman 219487324e74SHenry Tieman /* bail out if earlier reset has failed */ 21957e408e07SAnirudh Venkataramanan if (test_bit(ICE_RESET_FAILED, pf->state)) { 219687324e74SHenry Tieman dev_dbg(dev, "earlier reset has failed\n"); 219787324e74SHenry Tieman return -EIO; 219887324e74SHenry Tieman } 219987324e74SHenry Tieman /* bail if reset/recovery already in progress */ 220087324e74SHenry Tieman if (ice_is_reset_in_progress(pf->state)) { 220187324e74SHenry Tieman dev_dbg(dev, "Reset already in progress\n"); 220287324e74SHenry Tieman return -EBUSY; 220387324e74SHenry Tieman } 220487324e74SHenry Tieman 2205f9f5301eSDave Ertman ice_unplug_aux_dev(pf); 2206f9f5301eSDave Ertman 220787324e74SHenry Tieman switch (reset) { 220887324e74SHenry Tieman case ICE_RESET_PFR: 22097e408e07SAnirudh Venkataramanan set_bit(ICE_PFR_REQ, pf->state); 221087324e74SHenry Tieman break; 221187324e74SHenry Tieman case ICE_RESET_CORER: 22127e408e07SAnirudh Venkataramanan set_bit(ICE_CORER_REQ, pf->state); 221387324e74SHenry Tieman break; 221487324e74SHenry Tieman case ICE_RESET_GLOBR: 22157e408e07SAnirudh Venkataramanan set_bit(ICE_GLOBR_REQ, pf->state); 221687324e74SHenry Tieman break; 221787324e74SHenry Tieman default: 221887324e74SHenry Tieman return -EINVAL; 221987324e74SHenry Tieman } 222087324e74SHenry Tieman 222187324e74SHenry Tieman ice_service_task_schedule(pf); 222287324e74SHenry Tieman return 0; 222387324e74SHenry Tieman } 222487324e74SHenry Tieman 222587324e74SHenry Tieman /** 2226cdedef59SAnirudh Venkataramanan * ice_irq_affinity_notify - Callback for affinity changes 2227cdedef59SAnirudh Venkataramanan * @notify: context as to what irq was changed 2228cdedef59SAnirudh Venkataramanan * @mask: the new affinity mask 2229cdedef59SAnirudh Venkataramanan * 2230cdedef59SAnirudh Venkataramanan * This is a callback function used by the irq_set_affinity_notifier function 2231cdedef59SAnirudh Venkataramanan * so that we may register to receive changes to the irq affinity masks. 2232cdedef59SAnirudh Venkataramanan */ 2233c8b7abddSBruce Allan static void 2234c8b7abddSBruce Allan ice_irq_affinity_notify(struct irq_affinity_notify *notify, 2235cdedef59SAnirudh Venkataramanan const cpumask_t *mask) 2236cdedef59SAnirudh Venkataramanan { 2237cdedef59SAnirudh Venkataramanan struct ice_q_vector *q_vector = 2238cdedef59SAnirudh Venkataramanan container_of(notify, struct ice_q_vector, affinity_notify); 2239cdedef59SAnirudh Venkataramanan 2240cdedef59SAnirudh Venkataramanan cpumask_copy(&q_vector->affinity_mask, mask); 2241cdedef59SAnirudh Venkataramanan } 2242cdedef59SAnirudh Venkataramanan 2243cdedef59SAnirudh Venkataramanan /** 2244cdedef59SAnirudh Venkataramanan * ice_irq_affinity_release - Callback for affinity notifier release 2245cdedef59SAnirudh Venkataramanan * @ref: internal core kernel usage 2246cdedef59SAnirudh Venkataramanan * 2247cdedef59SAnirudh Venkataramanan * This is a callback function used by the irq_set_affinity_notifier function 2248cdedef59SAnirudh Venkataramanan * to inform the current notification subscriber that they will no longer 2249cdedef59SAnirudh Venkataramanan * receive notifications. 2250cdedef59SAnirudh Venkataramanan */ 2251cdedef59SAnirudh Venkataramanan static void ice_irq_affinity_release(struct kref __always_unused *ref) {} 2252cdedef59SAnirudh Venkataramanan 2253cdedef59SAnirudh Venkataramanan /** 2254cdedef59SAnirudh Venkataramanan * ice_vsi_ena_irq - Enable IRQ for the given VSI 2255cdedef59SAnirudh Venkataramanan * @vsi: the VSI being configured 2256cdedef59SAnirudh Venkataramanan */ 2257cdedef59SAnirudh Venkataramanan static int ice_vsi_ena_irq(struct ice_vsi *vsi) 2258cdedef59SAnirudh Venkataramanan { 2259ba880734SBrett Creeley struct ice_hw *hw = &vsi->back->hw; 2260cdedef59SAnirudh Venkataramanan int i; 2261cdedef59SAnirudh Venkataramanan 22620c2561c8SBrett Creeley ice_for_each_q_vector(vsi, i) 2263cdedef59SAnirudh Venkataramanan ice_irq_dynamic_ena(hw, vsi, vsi->q_vectors[i]); 2264cdedef59SAnirudh Venkataramanan 2265cdedef59SAnirudh Venkataramanan ice_flush(hw); 2266cdedef59SAnirudh Venkataramanan return 0; 2267cdedef59SAnirudh Venkataramanan } 2268cdedef59SAnirudh Venkataramanan 2269cdedef59SAnirudh Venkataramanan /** 2270cdedef59SAnirudh Venkataramanan * ice_vsi_req_irq_msix - get MSI-X vectors from the OS for the VSI 2271cdedef59SAnirudh Venkataramanan * @vsi: the VSI being configured 2272cdedef59SAnirudh Venkataramanan * @basename: name for the vector 2273cdedef59SAnirudh Venkataramanan */ 2274cdedef59SAnirudh Venkataramanan static int ice_vsi_req_irq_msix(struct ice_vsi *vsi, char *basename) 2275cdedef59SAnirudh Venkataramanan { 2276cdedef59SAnirudh Venkataramanan int q_vectors = vsi->num_q_vectors; 2277cdedef59SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 2278cbe66bfeSBrett Creeley int base = vsi->base_vector; 22794015d11eSBrett Creeley struct device *dev; 2280cdedef59SAnirudh Venkataramanan int rx_int_idx = 0; 2281cdedef59SAnirudh Venkataramanan int tx_int_idx = 0; 2282cdedef59SAnirudh Venkataramanan int vector, err; 2283cdedef59SAnirudh Venkataramanan int irq_num; 2284cdedef59SAnirudh Venkataramanan 22854015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 2286cdedef59SAnirudh Venkataramanan for (vector = 0; vector < q_vectors; vector++) { 2287cdedef59SAnirudh Venkataramanan struct ice_q_vector *q_vector = vsi->q_vectors[vector]; 2288cdedef59SAnirudh Venkataramanan 2289cdedef59SAnirudh Venkataramanan irq_num = pf->msix_entries[base + vector].vector; 2290cdedef59SAnirudh Venkataramanan 2291cdedef59SAnirudh Venkataramanan if (q_vector->tx.ring && q_vector->rx.ring) { 2292cdedef59SAnirudh Venkataramanan snprintf(q_vector->name, sizeof(q_vector->name) - 1, 2293cdedef59SAnirudh Venkataramanan "%s-%s-%d", basename, "TxRx", rx_int_idx++); 2294cdedef59SAnirudh Venkataramanan tx_int_idx++; 2295cdedef59SAnirudh Venkataramanan } else if (q_vector->rx.ring) { 2296cdedef59SAnirudh Venkataramanan snprintf(q_vector->name, sizeof(q_vector->name) - 1, 2297cdedef59SAnirudh Venkataramanan "%s-%s-%d", basename, "rx", rx_int_idx++); 2298cdedef59SAnirudh Venkataramanan } else if (q_vector->tx.ring) { 2299cdedef59SAnirudh Venkataramanan snprintf(q_vector->name, sizeof(q_vector->name) - 1, 2300cdedef59SAnirudh Venkataramanan "%s-%s-%d", basename, "tx", tx_int_idx++); 2301cdedef59SAnirudh Venkataramanan } else { 2302cdedef59SAnirudh Venkataramanan /* skip this unused q_vector */ 2303cdedef59SAnirudh Venkataramanan continue; 2304cdedef59SAnirudh Venkataramanan } 2305da62c5ffSQi Zhang if (vsi->type == ICE_VSI_CTRL && vsi->vf_id != ICE_INVAL_VFID) 2306da62c5ffSQi Zhang err = devm_request_irq(dev, irq_num, vsi->irq_handler, 2307da62c5ffSQi Zhang IRQF_SHARED, q_vector->name, 2308da62c5ffSQi Zhang q_vector); 2309da62c5ffSQi Zhang else 2310da62c5ffSQi Zhang err = devm_request_irq(dev, irq_num, vsi->irq_handler, 2311da62c5ffSQi Zhang 0, q_vector->name, q_vector); 2312cdedef59SAnirudh Venkataramanan if (err) { 231319cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "MSIX request_irq failed, error: %d\n", 231419cce2c6SAnirudh Venkataramanan err); 2315cdedef59SAnirudh Venkataramanan goto free_q_irqs; 2316cdedef59SAnirudh Venkataramanan } 2317cdedef59SAnirudh Venkataramanan 2318cdedef59SAnirudh Venkataramanan /* register for affinity change notifications */ 231928bf2672SBrett Creeley if (!IS_ENABLED(CONFIG_RFS_ACCEL)) { 232028bf2672SBrett Creeley struct irq_affinity_notify *affinity_notify; 232128bf2672SBrett Creeley 232228bf2672SBrett Creeley affinity_notify = &q_vector->affinity_notify; 232328bf2672SBrett Creeley affinity_notify->notify = ice_irq_affinity_notify; 232428bf2672SBrett Creeley affinity_notify->release = ice_irq_affinity_release; 232528bf2672SBrett Creeley irq_set_affinity_notifier(irq_num, affinity_notify); 232628bf2672SBrett Creeley } 2327cdedef59SAnirudh Venkataramanan 2328cdedef59SAnirudh Venkataramanan /* assign the mask for this irq */ 2329cdedef59SAnirudh Venkataramanan irq_set_affinity_hint(irq_num, &q_vector->affinity_mask); 2330cdedef59SAnirudh Venkataramanan } 2331cdedef59SAnirudh Venkataramanan 2332cdedef59SAnirudh Venkataramanan vsi->irqs_ready = true; 2333cdedef59SAnirudh Venkataramanan return 0; 2334cdedef59SAnirudh Venkataramanan 2335cdedef59SAnirudh Venkataramanan free_q_irqs: 2336cdedef59SAnirudh Venkataramanan while (vector) { 2337cdedef59SAnirudh Venkataramanan vector--; 233828bf2672SBrett Creeley irq_num = pf->msix_entries[base + vector].vector; 233928bf2672SBrett Creeley if (!IS_ENABLED(CONFIG_RFS_ACCEL)) 2340cdedef59SAnirudh Venkataramanan irq_set_affinity_notifier(irq_num, NULL); 2341cdedef59SAnirudh Venkataramanan irq_set_affinity_hint(irq_num, NULL); 23424015d11eSBrett Creeley devm_free_irq(dev, irq_num, &vsi->q_vectors[vector]); 2343cdedef59SAnirudh Venkataramanan } 2344cdedef59SAnirudh Venkataramanan return err; 2345cdedef59SAnirudh Venkataramanan } 2346cdedef59SAnirudh Venkataramanan 2347cdedef59SAnirudh Venkataramanan /** 2348efc2214bSMaciej Fijalkowski * ice_xdp_alloc_setup_rings - Allocate and setup Tx rings for XDP 2349efc2214bSMaciej Fijalkowski * @vsi: VSI to setup Tx rings used by XDP 2350efc2214bSMaciej Fijalkowski * 2351efc2214bSMaciej Fijalkowski * Return 0 on success and negative value on error 2352efc2214bSMaciej Fijalkowski */ 2353efc2214bSMaciej Fijalkowski static int ice_xdp_alloc_setup_rings(struct ice_vsi *vsi) 2354efc2214bSMaciej Fijalkowski { 23559a946843SAnirudh Venkataramanan struct device *dev = ice_pf_to_dev(vsi->back); 2356efc2214bSMaciej Fijalkowski int i; 2357efc2214bSMaciej Fijalkowski 2358efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->num_xdp_txq; i++) { 2359efc2214bSMaciej Fijalkowski u16 xdp_q_idx = vsi->alloc_txq + i; 2360efc2214bSMaciej Fijalkowski struct ice_ring *xdp_ring; 2361efc2214bSMaciej Fijalkowski 2362efc2214bSMaciej Fijalkowski xdp_ring = kzalloc(sizeof(*xdp_ring), GFP_KERNEL); 2363efc2214bSMaciej Fijalkowski 2364efc2214bSMaciej Fijalkowski if (!xdp_ring) 2365efc2214bSMaciej Fijalkowski goto free_xdp_rings; 2366efc2214bSMaciej Fijalkowski 2367efc2214bSMaciej Fijalkowski xdp_ring->q_index = xdp_q_idx; 2368efc2214bSMaciej Fijalkowski xdp_ring->reg_idx = vsi->txq_map[xdp_q_idx]; 2369efc2214bSMaciej Fijalkowski xdp_ring->ring_active = false; 2370efc2214bSMaciej Fijalkowski xdp_ring->vsi = vsi; 2371efc2214bSMaciej Fijalkowski xdp_ring->netdev = NULL; 2372efc2214bSMaciej Fijalkowski xdp_ring->dev = dev; 2373efc2214bSMaciej Fijalkowski xdp_ring->count = vsi->num_tx_desc; 2374b1d95cc2SCiara Loftus WRITE_ONCE(vsi->xdp_rings[i], xdp_ring); 2375efc2214bSMaciej Fijalkowski if (ice_setup_tx_ring(xdp_ring)) 2376efc2214bSMaciej Fijalkowski goto free_xdp_rings; 2377efc2214bSMaciej Fijalkowski ice_set_ring_xdp(xdp_ring); 23781742b3d5SMagnus Karlsson xdp_ring->xsk_pool = ice_xsk_pool(xdp_ring); 2379efc2214bSMaciej Fijalkowski } 2380efc2214bSMaciej Fijalkowski 2381efc2214bSMaciej Fijalkowski return 0; 2382efc2214bSMaciej Fijalkowski 2383efc2214bSMaciej Fijalkowski free_xdp_rings: 2384efc2214bSMaciej Fijalkowski for (; i >= 0; i--) 2385efc2214bSMaciej Fijalkowski if (vsi->xdp_rings[i] && vsi->xdp_rings[i]->desc) 2386efc2214bSMaciej Fijalkowski ice_free_tx_ring(vsi->xdp_rings[i]); 2387efc2214bSMaciej Fijalkowski return -ENOMEM; 2388efc2214bSMaciej Fijalkowski } 2389efc2214bSMaciej Fijalkowski 2390efc2214bSMaciej Fijalkowski /** 2391efc2214bSMaciej Fijalkowski * ice_vsi_assign_bpf_prog - set or clear bpf prog pointer on VSI 2392efc2214bSMaciej Fijalkowski * @vsi: VSI to set the bpf prog on 2393efc2214bSMaciej Fijalkowski * @prog: the bpf prog pointer 2394efc2214bSMaciej Fijalkowski */ 2395efc2214bSMaciej Fijalkowski static void ice_vsi_assign_bpf_prog(struct ice_vsi *vsi, struct bpf_prog *prog) 2396efc2214bSMaciej Fijalkowski { 2397efc2214bSMaciej Fijalkowski struct bpf_prog *old_prog; 2398efc2214bSMaciej Fijalkowski int i; 2399efc2214bSMaciej Fijalkowski 2400efc2214bSMaciej Fijalkowski old_prog = xchg(&vsi->xdp_prog, prog); 2401efc2214bSMaciej Fijalkowski if (old_prog) 2402efc2214bSMaciej Fijalkowski bpf_prog_put(old_prog); 2403efc2214bSMaciej Fijalkowski 2404efc2214bSMaciej Fijalkowski ice_for_each_rxq(vsi, i) 2405efc2214bSMaciej Fijalkowski WRITE_ONCE(vsi->rx_rings[i]->xdp_prog, vsi->xdp_prog); 2406efc2214bSMaciej Fijalkowski } 2407efc2214bSMaciej Fijalkowski 2408efc2214bSMaciej Fijalkowski /** 2409efc2214bSMaciej Fijalkowski * ice_prepare_xdp_rings - Allocate, configure and setup Tx rings for XDP 2410efc2214bSMaciej Fijalkowski * @vsi: VSI to bring up Tx rings used by XDP 2411efc2214bSMaciej Fijalkowski * @prog: bpf program that will be assigned to VSI 2412efc2214bSMaciej Fijalkowski * 2413efc2214bSMaciej Fijalkowski * Return 0 on success and negative value on error 2414efc2214bSMaciej Fijalkowski */ 2415efc2214bSMaciej Fijalkowski int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog) 2416efc2214bSMaciej Fijalkowski { 2417efc2214bSMaciej Fijalkowski u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 2418efc2214bSMaciej Fijalkowski int xdp_rings_rem = vsi->num_xdp_txq; 2419efc2214bSMaciej Fijalkowski struct ice_pf *pf = vsi->back; 2420efc2214bSMaciej Fijalkowski struct ice_qs_cfg xdp_qs_cfg = { 2421efc2214bSMaciej Fijalkowski .qs_mutex = &pf->avail_q_mutex, 2422efc2214bSMaciej Fijalkowski .pf_map = pf->avail_txqs, 2423efc2214bSMaciej Fijalkowski .pf_map_size = pf->max_pf_txqs, 2424efc2214bSMaciej Fijalkowski .q_count = vsi->num_xdp_txq, 2425efc2214bSMaciej Fijalkowski .scatter_count = ICE_MAX_SCATTER_TXQS, 2426efc2214bSMaciej Fijalkowski .vsi_map = vsi->txq_map, 2427efc2214bSMaciej Fijalkowski .vsi_map_offset = vsi->alloc_txq, 2428efc2214bSMaciej Fijalkowski .mapping_mode = ICE_VSI_MAP_CONTIG 2429efc2214bSMaciej Fijalkowski }; 2430efc2214bSMaciej Fijalkowski enum ice_status status; 24314015d11eSBrett Creeley struct device *dev; 2432efc2214bSMaciej Fijalkowski int i, v_idx; 2433efc2214bSMaciej Fijalkowski 24344015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 24354015d11eSBrett Creeley vsi->xdp_rings = devm_kcalloc(dev, vsi->num_xdp_txq, 2436efc2214bSMaciej Fijalkowski sizeof(*vsi->xdp_rings), GFP_KERNEL); 2437efc2214bSMaciej Fijalkowski if (!vsi->xdp_rings) 2438efc2214bSMaciej Fijalkowski return -ENOMEM; 2439efc2214bSMaciej Fijalkowski 2440efc2214bSMaciej Fijalkowski vsi->xdp_mapping_mode = xdp_qs_cfg.mapping_mode; 2441efc2214bSMaciej Fijalkowski if (__ice_vsi_get_qs(&xdp_qs_cfg)) 2442efc2214bSMaciej Fijalkowski goto err_map_xdp; 2443efc2214bSMaciej Fijalkowski 2444efc2214bSMaciej Fijalkowski if (ice_xdp_alloc_setup_rings(vsi)) 2445efc2214bSMaciej Fijalkowski goto clear_xdp_rings; 2446efc2214bSMaciej Fijalkowski 2447efc2214bSMaciej Fijalkowski /* follow the logic from ice_vsi_map_rings_to_vectors */ 2448efc2214bSMaciej Fijalkowski ice_for_each_q_vector(vsi, v_idx) { 2449efc2214bSMaciej Fijalkowski struct ice_q_vector *q_vector = vsi->q_vectors[v_idx]; 2450efc2214bSMaciej Fijalkowski int xdp_rings_per_v, q_id, q_base; 2451efc2214bSMaciej Fijalkowski 2452efc2214bSMaciej Fijalkowski xdp_rings_per_v = DIV_ROUND_UP(xdp_rings_rem, 2453efc2214bSMaciej Fijalkowski vsi->num_q_vectors - v_idx); 2454efc2214bSMaciej Fijalkowski q_base = vsi->num_xdp_txq - xdp_rings_rem; 2455efc2214bSMaciej Fijalkowski 2456efc2214bSMaciej Fijalkowski for (q_id = q_base; q_id < (q_base + xdp_rings_per_v); q_id++) { 2457efc2214bSMaciej Fijalkowski struct ice_ring *xdp_ring = vsi->xdp_rings[q_id]; 2458efc2214bSMaciej Fijalkowski 2459efc2214bSMaciej Fijalkowski xdp_ring->q_vector = q_vector; 2460efc2214bSMaciej Fijalkowski xdp_ring->next = q_vector->tx.ring; 2461efc2214bSMaciej Fijalkowski q_vector->tx.ring = xdp_ring; 2462efc2214bSMaciej Fijalkowski } 2463efc2214bSMaciej Fijalkowski xdp_rings_rem -= xdp_rings_per_v; 2464efc2214bSMaciej Fijalkowski } 2465efc2214bSMaciej Fijalkowski 2466efc2214bSMaciej Fijalkowski /* omit the scheduler update if in reset path; XDP queues will be 2467efc2214bSMaciej Fijalkowski * taken into account at the end of ice_vsi_rebuild, where 2468efc2214bSMaciej Fijalkowski * ice_cfg_vsi_lan is being called 2469efc2214bSMaciej Fijalkowski */ 2470efc2214bSMaciej Fijalkowski if (ice_is_reset_in_progress(pf->state)) 2471efc2214bSMaciej Fijalkowski return 0; 2472efc2214bSMaciej Fijalkowski 2473efc2214bSMaciej Fijalkowski /* tell the Tx scheduler that right now we have 2474efc2214bSMaciej Fijalkowski * additional queues 2475efc2214bSMaciej Fijalkowski */ 2476efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->tc_cfg.numtc; i++) 2477efc2214bSMaciej Fijalkowski max_txqs[i] = vsi->num_txq + vsi->num_xdp_txq; 2478efc2214bSMaciej Fijalkowski 2479efc2214bSMaciej Fijalkowski status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 2480efc2214bSMaciej Fijalkowski max_txqs); 2481efc2214bSMaciej Fijalkowski if (status) { 24820fee3577SLihong Yang dev_err(dev, "Failed VSI LAN queue config for XDP, error: %s\n", 24830fee3577SLihong Yang ice_stat_str(status)); 2484efc2214bSMaciej Fijalkowski goto clear_xdp_rings; 2485efc2214bSMaciej Fijalkowski } 2486efc2214bSMaciej Fijalkowski ice_vsi_assign_bpf_prog(vsi, prog); 2487efc2214bSMaciej Fijalkowski 2488efc2214bSMaciej Fijalkowski return 0; 2489efc2214bSMaciej Fijalkowski clear_xdp_rings: 2490efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->num_xdp_txq; i++) 2491efc2214bSMaciej Fijalkowski if (vsi->xdp_rings[i]) { 2492efc2214bSMaciej Fijalkowski kfree_rcu(vsi->xdp_rings[i], rcu); 2493efc2214bSMaciej Fijalkowski vsi->xdp_rings[i] = NULL; 2494efc2214bSMaciej Fijalkowski } 2495efc2214bSMaciej Fijalkowski 2496efc2214bSMaciej Fijalkowski err_map_xdp: 2497efc2214bSMaciej Fijalkowski mutex_lock(&pf->avail_q_mutex); 2498efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->num_xdp_txq; i++) { 2499efc2214bSMaciej Fijalkowski clear_bit(vsi->txq_map[i + vsi->alloc_txq], pf->avail_txqs); 2500efc2214bSMaciej Fijalkowski vsi->txq_map[i + vsi->alloc_txq] = ICE_INVAL_Q_INDEX; 2501efc2214bSMaciej Fijalkowski } 2502efc2214bSMaciej Fijalkowski mutex_unlock(&pf->avail_q_mutex); 2503efc2214bSMaciej Fijalkowski 25044015d11eSBrett Creeley devm_kfree(dev, vsi->xdp_rings); 2505efc2214bSMaciej Fijalkowski return -ENOMEM; 2506efc2214bSMaciej Fijalkowski } 2507efc2214bSMaciej Fijalkowski 2508efc2214bSMaciej Fijalkowski /** 2509efc2214bSMaciej Fijalkowski * ice_destroy_xdp_rings - undo the configuration made by ice_prepare_xdp_rings 2510efc2214bSMaciej Fijalkowski * @vsi: VSI to remove XDP rings 2511efc2214bSMaciej Fijalkowski * 2512efc2214bSMaciej Fijalkowski * Detach XDP rings from irq vectors, clean up the PF bitmap and free 2513efc2214bSMaciej Fijalkowski * resources 2514efc2214bSMaciej Fijalkowski */ 2515efc2214bSMaciej Fijalkowski int ice_destroy_xdp_rings(struct ice_vsi *vsi) 2516efc2214bSMaciej Fijalkowski { 2517efc2214bSMaciej Fijalkowski u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; 2518efc2214bSMaciej Fijalkowski struct ice_pf *pf = vsi->back; 2519efc2214bSMaciej Fijalkowski int i, v_idx; 2520efc2214bSMaciej Fijalkowski 2521efc2214bSMaciej Fijalkowski /* q_vectors are freed in reset path so there's no point in detaching 2522ac382a09SBruce Allan * rings; in case of rebuild being triggered not from reset bits 2523efc2214bSMaciej Fijalkowski * in pf->state won't be set, so additionally check first q_vector 2524efc2214bSMaciej Fijalkowski * against NULL 2525efc2214bSMaciej Fijalkowski */ 2526efc2214bSMaciej Fijalkowski if (ice_is_reset_in_progress(pf->state) || !vsi->q_vectors[0]) 2527efc2214bSMaciej Fijalkowski goto free_qmap; 2528efc2214bSMaciej Fijalkowski 2529efc2214bSMaciej Fijalkowski ice_for_each_q_vector(vsi, v_idx) { 2530efc2214bSMaciej Fijalkowski struct ice_q_vector *q_vector = vsi->q_vectors[v_idx]; 2531efc2214bSMaciej Fijalkowski struct ice_ring *ring; 2532efc2214bSMaciej Fijalkowski 2533efc2214bSMaciej Fijalkowski ice_for_each_ring(ring, q_vector->tx) 2534efc2214bSMaciej Fijalkowski if (!ring->tx_buf || !ice_ring_is_xdp(ring)) 2535efc2214bSMaciej Fijalkowski break; 2536efc2214bSMaciej Fijalkowski 2537efc2214bSMaciej Fijalkowski /* restore the value of last node prior to XDP setup */ 2538efc2214bSMaciej Fijalkowski q_vector->tx.ring = ring; 2539efc2214bSMaciej Fijalkowski } 2540efc2214bSMaciej Fijalkowski 2541efc2214bSMaciej Fijalkowski free_qmap: 2542efc2214bSMaciej Fijalkowski mutex_lock(&pf->avail_q_mutex); 2543efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->num_xdp_txq; i++) { 2544efc2214bSMaciej Fijalkowski clear_bit(vsi->txq_map[i + vsi->alloc_txq], pf->avail_txqs); 2545efc2214bSMaciej Fijalkowski vsi->txq_map[i + vsi->alloc_txq] = ICE_INVAL_Q_INDEX; 2546efc2214bSMaciej Fijalkowski } 2547efc2214bSMaciej Fijalkowski mutex_unlock(&pf->avail_q_mutex); 2548efc2214bSMaciej Fijalkowski 2549efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->num_xdp_txq; i++) 2550efc2214bSMaciej Fijalkowski if (vsi->xdp_rings[i]) { 2551efc2214bSMaciej Fijalkowski if (vsi->xdp_rings[i]->desc) 2552efc2214bSMaciej Fijalkowski ice_free_tx_ring(vsi->xdp_rings[i]); 2553efc2214bSMaciej Fijalkowski kfree_rcu(vsi->xdp_rings[i], rcu); 2554efc2214bSMaciej Fijalkowski vsi->xdp_rings[i] = NULL; 2555efc2214bSMaciej Fijalkowski } 2556efc2214bSMaciej Fijalkowski 25574015d11eSBrett Creeley devm_kfree(ice_pf_to_dev(pf), vsi->xdp_rings); 2558efc2214bSMaciej Fijalkowski vsi->xdp_rings = NULL; 2559efc2214bSMaciej Fijalkowski 2560efc2214bSMaciej Fijalkowski if (ice_is_reset_in_progress(pf->state) || !vsi->q_vectors[0]) 2561efc2214bSMaciej Fijalkowski return 0; 2562efc2214bSMaciej Fijalkowski 2563efc2214bSMaciej Fijalkowski ice_vsi_assign_bpf_prog(vsi, NULL); 2564efc2214bSMaciej Fijalkowski 2565efc2214bSMaciej Fijalkowski /* notify Tx scheduler that we destroyed XDP queues and bring 2566efc2214bSMaciej Fijalkowski * back the old number of child nodes 2567efc2214bSMaciej Fijalkowski */ 2568efc2214bSMaciej Fijalkowski for (i = 0; i < vsi->tc_cfg.numtc; i++) 2569efc2214bSMaciej Fijalkowski max_txqs[i] = vsi->num_txq; 2570efc2214bSMaciej Fijalkowski 2571c8f135c6SMarta Plantykow /* change number of XDP Tx queues to 0 */ 2572c8f135c6SMarta Plantykow vsi->num_xdp_txq = 0; 2573c8f135c6SMarta Plantykow 2574efc2214bSMaciej Fijalkowski return ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, 2575efc2214bSMaciej Fijalkowski max_txqs); 2576efc2214bSMaciej Fijalkowski } 2577efc2214bSMaciej Fijalkowski 2578efc2214bSMaciej Fijalkowski /** 2579c7a21904SMichal Swiatkowski * ice_vsi_rx_napi_schedule - Schedule napi on RX queues from VSI 2580c7a21904SMichal Swiatkowski * @vsi: VSI to schedule napi on 2581c7a21904SMichal Swiatkowski */ 2582c7a21904SMichal Swiatkowski static void ice_vsi_rx_napi_schedule(struct ice_vsi *vsi) 2583c7a21904SMichal Swiatkowski { 2584c7a21904SMichal Swiatkowski int i; 2585c7a21904SMichal Swiatkowski 2586c7a21904SMichal Swiatkowski ice_for_each_rxq(vsi, i) { 2587c7a21904SMichal Swiatkowski struct ice_ring *rx_ring = vsi->rx_rings[i]; 2588c7a21904SMichal Swiatkowski 2589c7a21904SMichal Swiatkowski if (rx_ring->xsk_pool) 2590c7a21904SMichal Swiatkowski napi_schedule(&rx_ring->q_vector->napi); 2591c7a21904SMichal Swiatkowski } 2592c7a21904SMichal Swiatkowski } 2593c7a21904SMichal Swiatkowski 2594c7a21904SMichal Swiatkowski /** 2595efc2214bSMaciej Fijalkowski * ice_xdp_setup_prog - Add or remove XDP eBPF program 2596efc2214bSMaciej Fijalkowski * @vsi: VSI to setup XDP for 2597efc2214bSMaciej Fijalkowski * @prog: XDP program 2598efc2214bSMaciej Fijalkowski * @extack: netlink extended ack 2599efc2214bSMaciej Fijalkowski */ 2600efc2214bSMaciej Fijalkowski static int 2601efc2214bSMaciej Fijalkowski ice_xdp_setup_prog(struct ice_vsi *vsi, struct bpf_prog *prog, 2602efc2214bSMaciej Fijalkowski struct netlink_ext_ack *extack) 2603efc2214bSMaciej Fijalkowski { 2604efc2214bSMaciej Fijalkowski int frame_size = vsi->netdev->mtu + ICE_ETH_PKT_HDR_PAD; 2605efc2214bSMaciej Fijalkowski bool if_running = netif_running(vsi->netdev); 2606efc2214bSMaciej Fijalkowski int ret = 0, xdp_ring_err = 0; 2607efc2214bSMaciej Fijalkowski 2608efc2214bSMaciej Fijalkowski if (frame_size > vsi->rx_buf_len) { 2609efc2214bSMaciej Fijalkowski NL_SET_ERR_MSG_MOD(extack, "MTU too large for loading XDP"); 2610efc2214bSMaciej Fijalkowski return -EOPNOTSUPP; 2611efc2214bSMaciej Fijalkowski } 2612efc2214bSMaciej Fijalkowski 2613efc2214bSMaciej Fijalkowski /* need to stop netdev while setting up the program for Rx rings */ 2614e97fb1aeSAnirudh Venkataramanan if (if_running && !test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 2615efc2214bSMaciej Fijalkowski ret = ice_down(vsi); 2616efc2214bSMaciej Fijalkowski if (ret) { 2617af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(extack, "Preparing device for XDP attach failed"); 2618efc2214bSMaciej Fijalkowski return ret; 2619efc2214bSMaciej Fijalkowski } 2620efc2214bSMaciej Fijalkowski } 2621efc2214bSMaciej Fijalkowski 2622efc2214bSMaciej Fijalkowski if (!ice_is_xdp_ena_vsi(vsi) && prog) { 2623ae15e0baSMarta Plantykow vsi->num_xdp_txq = vsi->alloc_rxq; 2624efc2214bSMaciej Fijalkowski xdp_ring_err = ice_prepare_xdp_rings(vsi, prog); 2625efc2214bSMaciej Fijalkowski if (xdp_ring_err) 2626af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(extack, "Setting up XDP Tx resources failed"); 2627efc2214bSMaciej Fijalkowski } else if (ice_is_xdp_ena_vsi(vsi) && !prog) { 2628efc2214bSMaciej Fijalkowski xdp_ring_err = ice_destroy_xdp_rings(vsi); 2629efc2214bSMaciej Fijalkowski if (xdp_ring_err) 2630af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(extack, "Freeing XDP Tx resources failed"); 2631efc2214bSMaciej Fijalkowski } else { 2632efc2214bSMaciej Fijalkowski ice_vsi_assign_bpf_prog(vsi, prog); 2633efc2214bSMaciej Fijalkowski } 2634efc2214bSMaciej Fijalkowski 2635efc2214bSMaciej Fijalkowski if (if_running) 2636efc2214bSMaciej Fijalkowski ret = ice_up(vsi); 2637efc2214bSMaciej Fijalkowski 2638c7a21904SMichal Swiatkowski if (!ret && prog) 2639c7a21904SMichal Swiatkowski ice_vsi_rx_napi_schedule(vsi); 26402d4238f5SKrzysztof Kazimierczak 2641efc2214bSMaciej Fijalkowski return (ret || xdp_ring_err) ? -ENOMEM : 0; 2642efc2214bSMaciej Fijalkowski } 2643efc2214bSMaciej Fijalkowski 2644efc2214bSMaciej Fijalkowski /** 2645efc2214bSMaciej Fijalkowski * ice_xdp - implements XDP handler 2646efc2214bSMaciej Fijalkowski * @dev: netdevice 2647efc2214bSMaciej Fijalkowski * @xdp: XDP command 2648efc2214bSMaciej Fijalkowski */ 2649efc2214bSMaciej Fijalkowski static int ice_xdp(struct net_device *dev, struct netdev_bpf *xdp) 2650efc2214bSMaciej Fijalkowski { 2651efc2214bSMaciej Fijalkowski struct ice_netdev_priv *np = netdev_priv(dev); 2652efc2214bSMaciej Fijalkowski struct ice_vsi *vsi = np->vsi; 2653efc2214bSMaciej Fijalkowski 2654efc2214bSMaciej Fijalkowski if (vsi->type != ICE_VSI_PF) { 2655af23635aSJesse Brandeburg NL_SET_ERR_MSG_MOD(xdp->extack, "XDP can be loaded only on PF VSI"); 2656efc2214bSMaciej Fijalkowski return -EINVAL; 2657efc2214bSMaciej Fijalkowski } 2658efc2214bSMaciej Fijalkowski 2659efc2214bSMaciej Fijalkowski switch (xdp->command) { 2660efc2214bSMaciej Fijalkowski case XDP_SETUP_PROG: 2661efc2214bSMaciej Fijalkowski return ice_xdp_setup_prog(vsi, xdp->prog, xdp->extack); 26621742b3d5SMagnus Karlsson case XDP_SETUP_XSK_POOL: 26631742b3d5SMagnus Karlsson return ice_xsk_pool_setup(vsi, xdp->xsk.pool, 26642d4238f5SKrzysztof Kazimierczak xdp->xsk.queue_id); 2665efc2214bSMaciej Fijalkowski default: 2666efc2214bSMaciej Fijalkowski return -EINVAL; 2667efc2214bSMaciej Fijalkowski } 2668efc2214bSMaciej Fijalkowski } 2669efc2214bSMaciej Fijalkowski 2670efc2214bSMaciej Fijalkowski /** 2671940b61afSAnirudh Venkataramanan * ice_ena_misc_vector - enable the non-queue interrupts 2672940b61afSAnirudh Venkataramanan * @pf: board private structure 2673940b61afSAnirudh Venkataramanan */ 2674940b61afSAnirudh Venkataramanan static void ice_ena_misc_vector(struct ice_pf *pf) 2675940b61afSAnirudh Venkataramanan { 2676940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 2677940b61afSAnirudh Venkataramanan u32 val; 2678940b61afSAnirudh Venkataramanan 26799d5c5a52SPaul Greenwalt /* Disable anti-spoof detection interrupt to prevent spurious event 26809d5c5a52SPaul Greenwalt * interrupts during a function reset. Anti-spoof functionally is 26819d5c5a52SPaul Greenwalt * still supported. 26829d5c5a52SPaul Greenwalt */ 26839d5c5a52SPaul Greenwalt val = rd32(hw, GL_MDCK_TX_TDPU); 26849d5c5a52SPaul Greenwalt val |= GL_MDCK_TX_TDPU_RCU_ANTISPOOF_ITR_DIS_M; 26859d5c5a52SPaul Greenwalt wr32(hw, GL_MDCK_TX_TDPU, val); 26869d5c5a52SPaul Greenwalt 2687940b61afSAnirudh Venkataramanan /* clear things first */ 2688940b61afSAnirudh Venkataramanan wr32(hw, PFINT_OICR_ENA, 0); /* disable all */ 2689940b61afSAnirudh Venkataramanan rd32(hw, PFINT_OICR); /* read to clear */ 2690940b61afSAnirudh Venkataramanan 26913bcd7fa3SBruce Allan val = (PFINT_OICR_ECC_ERR_M | 2692940b61afSAnirudh Venkataramanan PFINT_OICR_MAL_DETECT_M | 2693940b61afSAnirudh Venkataramanan PFINT_OICR_GRST_M | 2694940b61afSAnirudh Venkataramanan PFINT_OICR_PCI_EXCEPTION_M | 2695007676b4SAnirudh Venkataramanan PFINT_OICR_VFLR_M | 26963bcd7fa3SBruce Allan PFINT_OICR_HMC_ERR_M | 2697348048e7SDave Ertman PFINT_OICR_PE_PUSH_M | 26983bcd7fa3SBruce Allan PFINT_OICR_PE_CRITERR_M); 2699940b61afSAnirudh Venkataramanan 2700940b61afSAnirudh Venkataramanan wr32(hw, PFINT_OICR_ENA, val); 2701940b61afSAnirudh Venkataramanan 2702940b61afSAnirudh Venkataramanan /* SW_ITR_IDX = 0, but don't change INTENA */ 2703cbe66bfeSBrett Creeley wr32(hw, GLINT_DYN_CTL(pf->oicr_idx), 2704940b61afSAnirudh Venkataramanan GLINT_DYN_CTL_SW_ITR_INDX_M | GLINT_DYN_CTL_INTENA_MSK_M); 2705940b61afSAnirudh Venkataramanan } 2706940b61afSAnirudh Venkataramanan 2707940b61afSAnirudh Venkataramanan /** 2708940b61afSAnirudh Venkataramanan * ice_misc_intr - misc interrupt handler 2709940b61afSAnirudh Venkataramanan * @irq: interrupt number 2710940b61afSAnirudh Venkataramanan * @data: pointer to a q_vector 2711940b61afSAnirudh Venkataramanan */ 2712940b61afSAnirudh Venkataramanan static irqreturn_t ice_misc_intr(int __always_unused irq, void *data) 2713940b61afSAnirudh Venkataramanan { 2714940b61afSAnirudh Venkataramanan struct ice_pf *pf = (struct ice_pf *)data; 2715940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 2716940b61afSAnirudh Venkataramanan irqreturn_t ret = IRQ_NONE; 27174015d11eSBrett Creeley struct device *dev; 2718940b61afSAnirudh Venkataramanan u32 oicr, ena_mask; 2719940b61afSAnirudh Venkataramanan 27204015d11eSBrett Creeley dev = ice_pf_to_dev(pf); 27217e408e07SAnirudh Venkataramanan set_bit(ICE_ADMINQ_EVENT_PENDING, pf->state); 27227e408e07SAnirudh Venkataramanan set_bit(ICE_MAILBOXQ_EVENT_PENDING, pf->state); 27238f5ee3c4SJacob Keller set_bit(ICE_SIDEBANDQ_EVENT_PENDING, pf->state); 2724940b61afSAnirudh Venkataramanan 2725940b61afSAnirudh Venkataramanan oicr = rd32(hw, PFINT_OICR); 2726940b61afSAnirudh Venkataramanan ena_mask = rd32(hw, PFINT_OICR_ENA); 2727940b61afSAnirudh Venkataramanan 27280e674aebSAnirudh Venkataramanan if (oicr & PFINT_OICR_SWINT_M) { 27290e674aebSAnirudh Venkataramanan ena_mask &= ~PFINT_OICR_SWINT_M; 27300e674aebSAnirudh Venkataramanan pf->sw_int_count++; 27310e674aebSAnirudh Venkataramanan } 27320e674aebSAnirudh Venkataramanan 2733b3969fd7SSudheer Mogilappagari if (oicr & PFINT_OICR_MAL_DETECT_M) { 2734b3969fd7SSudheer Mogilappagari ena_mask &= ~PFINT_OICR_MAL_DETECT_M; 27357e408e07SAnirudh Venkataramanan set_bit(ICE_MDD_EVENT_PENDING, pf->state); 2736b3969fd7SSudheer Mogilappagari } 2737007676b4SAnirudh Venkataramanan if (oicr & PFINT_OICR_VFLR_M) { 2738f844d521SBrett Creeley /* disable any further VFLR event notifications */ 27397e408e07SAnirudh Venkataramanan if (test_bit(ICE_VF_RESETS_DISABLED, pf->state)) { 2740f844d521SBrett Creeley u32 reg = rd32(hw, PFINT_OICR_ENA); 2741f844d521SBrett Creeley 2742f844d521SBrett Creeley reg &= ~PFINT_OICR_VFLR_M; 2743f844d521SBrett Creeley wr32(hw, PFINT_OICR_ENA, reg); 2744f844d521SBrett Creeley } else { 2745007676b4SAnirudh Venkataramanan ena_mask &= ~PFINT_OICR_VFLR_M; 27467e408e07SAnirudh Venkataramanan set_bit(ICE_VFLR_EVENT_PENDING, pf->state); 2747007676b4SAnirudh Venkataramanan } 2748f844d521SBrett Creeley } 2749b3969fd7SSudheer Mogilappagari 27500b28b702SAnirudh Venkataramanan if (oicr & PFINT_OICR_GRST_M) { 27510b28b702SAnirudh Venkataramanan u32 reset; 2752b3969fd7SSudheer Mogilappagari 27530b28b702SAnirudh Venkataramanan /* we have a reset warning */ 27540b28b702SAnirudh Venkataramanan ena_mask &= ~PFINT_OICR_GRST_M; 27550b28b702SAnirudh Venkataramanan reset = (rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_RESET_TYPE_M) >> 27560b28b702SAnirudh Venkataramanan GLGEN_RSTAT_RESET_TYPE_S; 27570b28b702SAnirudh Venkataramanan 27580b28b702SAnirudh Venkataramanan if (reset == ICE_RESET_CORER) 27590b28b702SAnirudh Venkataramanan pf->corer_count++; 27600b28b702SAnirudh Venkataramanan else if (reset == ICE_RESET_GLOBR) 27610b28b702SAnirudh Venkataramanan pf->globr_count++; 2762ca4929b6SBrett Creeley else if (reset == ICE_RESET_EMPR) 27630b28b702SAnirudh Venkataramanan pf->empr_count++; 2764ca4929b6SBrett Creeley else 27654015d11eSBrett Creeley dev_dbg(dev, "Invalid reset type %d\n", reset); 27660b28b702SAnirudh Venkataramanan 27670b28b702SAnirudh Venkataramanan /* If a reset cycle isn't already in progress, we set a bit in 27680b28b702SAnirudh Venkataramanan * pf->state so that the service task can start a reset/rebuild. 27690b28b702SAnirudh Venkataramanan */ 27707e408e07SAnirudh Venkataramanan if (!test_and_set_bit(ICE_RESET_OICR_RECV, pf->state)) { 27710b28b702SAnirudh Venkataramanan if (reset == ICE_RESET_CORER) 27727e408e07SAnirudh Venkataramanan set_bit(ICE_CORER_RECV, pf->state); 27730b28b702SAnirudh Venkataramanan else if (reset == ICE_RESET_GLOBR) 27747e408e07SAnirudh Venkataramanan set_bit(ICE_GLOBR_RECV, pf->state); 27750b28b702SAnirudh Venkataramanan else 27767e408e07SAnirudh Venkataramanan set_bit(ICE_EMPR_RECV, pf->state); 27770b28b702SAnirudh Venkataramanan 2778fd2a9817SAnirudh Venkataramanan /* There are couple of different bits at play here. 2779fd2a9817SAnirudh Venkataramanan * hw->reset_ongoing indicates whether the hardware is 2780fd2a9817SAnirudh Venkataramanan * in reset. This is set to true when a reset interrupt 2781fd2a9817SAnirudh Venkataramanan * is received and set back to false after the driver 2782fd2a9817SAnirudh Venkataramanan * has determined that the hardware is out of reset. 2783fd2a9817SAnirudh Venkataramanan * 27847e408e07SAnirudh Venkataramanan * ICE_RESET_OICR_RECV in pf->state indicates 2785fd2a9817SAnirudh Venkataramanan * that a post reset rebuild is required before the 2786fd2a9817SAnirudh Venkataramanan * driver is operational again. This is set above. 2787fd2a9817SAnirudh Venkataramanan * 2788fd2a9817SAnirudh Venkataramanan * As this is the start of the reset/rebuild cycle, set 2789fd2a9817SAnirudh Venkataramanan * both to indicate that. 2790fd2a9817SAnirudh Venkataramanan */ 2791fd2a9817SAnirudh Venkataramanan hw->reset_ongoing = true; 27920b28b702SAnirudh Venkataramanan } 27930b28b702SAnirudh Venkataramanan } 27940b28b702SAnirudh Venkataramanan 2795ea9b847cSJacob Keller if (oicr & PFINT_OICR_TSYN_TX_M) { 2796ea9b847cSJacob Keller ena_mask &= ~PFINT_OICR_TSYN_TX_M; 2797ea9b847cSJacob Keller ice_ptp_process_ts(pf); 2798ea9b847cSJacob Keller } 2799ea9b847cSJacob Keller 2800348048e7SDave Ertman #define ICE_AUX_CRIT_ERR (PFINT_OICR_PE_CRITERR_M | PFINT_OICR_HMC_ERR_M | PFINT_OICR_PE_PUSH_M) 2801348048e7SDave Ertman if (oicr & ICE_AUX_CRIT_ERR) { 2802348048e7SDave Ertman struct iidc_event *event; 2803348048e7SDave Ertman 2804348048e7SDave Ertman ena_mask &= ~ICE_AUX_CRIT_ERR; 2805348048e7SDave Ertman event = kzalloc(sizeof(*event), GFP_KERNEL); 2806348048e7SDave Ertman if (event) { 2807348048e7SDave Ertman set_bit(IIDC_EVENT_CRIT_ERR, event->type); 2808348048e7SDave Ertman /* report the entire OICR value to AUX driver */ 2809348048e7SDave Ertman event->reg = oicr; 2810348048e7SDave Ertman ice_send_event_to_aux(pf, event); 2811348048e7SDave Ertman kfree(event); 2812348048e7SDave Ertman } 2813940b61afSAnirudh Venkataramanan } 2814940b61afSAnirudh Venkataramanan 28158d7189d2SMd Fahad Iqbal Polash /* Report any remaining unexpected interrupts */ 2816940b61afSAnirudh Venkataramanan oicr &= ena_mask; 2817940b61afSAnirudh Venkataramanan if (oicr) { 28184015d11eSBrett Creeley dev_dbg(dev, "unhandled interrupt oicr=0x%08x\n", oicr); 2819940b61afSAnirudh Venkataramanan /* If a critical error is pending there is no choice but to 2820940b61afSAnirudh Venkataramanan * reset the device. 2821940b61afSAnirudh Venkataramanan */ 2822348048e7SDave Ertman if (oicr & (PFINT_OICR_PCI_EXCEPTION_M | 28230b28b702SAnirudh Venkataramanan PFINT_OICR_ECC_ERR_M)) { 28247e408e07SAnirudh Venkataramanan set_bit(ICE_PFR_REQ, pf->state); 28250b28b702SAnirudh Venkataramanan ice_service_task_schedule(pf); 28260b28b702SAnirudh Venkataramanan } 2827940b61afSAnirudh Venkataramanan } 2828940b61afSAnirudh Venkataramanan ret = IRQ_HANDLED; 2829940b61afSAnirudh Venkataramanan 2830940b61afSAnirudh Venkataramanan ice_service_task_schedule(pf); 2831cdedef59SAnirudh Venkataramanan ice_irq_dynamic_ena(hw, NULL, NULL); 2832940b61afSAnirudh Venkataramanan 2833940b61afSAnirudh Venkataramanan return ret; 2834940b61afSAnirudh Venkataramanan } 2835940b61afSAnirudh Venkataramanan 2836940b61afSAnirudh Venkataramanan /** 28370e04e8e1SBrett Creeley * ice_dis_ctrlq_interrupts - disable control queue interrupts 28380e04e8e1SBrett Creeley * @hw: pointer to HW structure 28390e04e8e1SBrett Creeley */ 28400e04e8e1SBrett Creeley static void ice_dis_ctrlq_interrupts(struct ice_hw *hw) 28410e04e8e1SBrett Creeley { 28420e04e8e1SBrett Creeley /* disable Admin queue Interrupt causes */ 28430e04e8e1SBrett Creeley wr32(hw, PFINT_FW_CTL, 28440e04e8e1SBrett Creeley rd32(hw, PFINT_FW_CTL) & ~PFINT_FW_CTL_CAUSE_ENA_M); 28450e04e8e1SBrett Creeley 28460e04e8e1SBrett Creeley /* disable Mailbox queue Interrupt causes */ 28470e04e8e1SBrett Creeley wr32(hw, PFINT_MBX_CTL, 28480e04e8e1SBrett Creeley rd32(hw, PFINT_MBX_CTL) & ~PFINT_MBX_CTL_CAUSE_ENA_M); 28490e04e8e1SBrett Creeley 28508f5ee3c4SJacob Keller wr32(hw, PFINT_SB_CTL, 28518f5ee3c4SJacob Keller rd32(hw, PFINT_SB_CTL) & ~PFINT_SB_CTL_CAUSE_ENA_M); 28528f5ee3c4SJacob Keller 28530e04e8e1SBrett Creeley /* disable Control queue Interrupt causes */ 28540e04e8e1SBrett Creeley wr32(hw, PFINT_OICR_CTL, 28550e04e8e1SBrett Creeley rd32(hw, PFINT_OICR_CTL) & ~PFINT_OICR_CTL_CAUSE_ENA_M); 28560e04e8e1SBrett Creeley 28570e04e8e1SBrett Creeley ice_flush(hw); 28580e04e8e1SBrett Creeley } 28590e04e8e1SBrett Creeley 28600e04e8e1SBrett Creeley /** 2861940b61afSAnirudh Venkataramanan * ice_free_irq_msix_misc - Unroll misc vector setup 2862940b61afSAnirudh Venkataramanan * @pf: board private structure 2863940b61afSAnirudh Venkataramanan */ 2864940b61afSAnirudh Venkataramanan static void ice_free_irq_msix_misc(struct ice_pf *pf) 2865940b61afSAnirudh Venkataramanan { 28660e04e8e1SBrett Creeley struct ice_hw *hw = &pf->hw; 28670e04e8e1SBrett Creeley 28680e04e8e1SBrett Creeley ice_dis_ctrlq_interrupts(hw); 28690e04e8e1SBrett Creeley 2870940b61afSAnirudh Venkataramanan /* disable OICR interrupt */ 28710e04e8e1SBrett Creeley wr32(hw, PFINT_OICR_ENA, 0); 28720e04e8e1SBrett Creeley ice_flush(hw); 2873940b61afSAnirudh Venkataramanan 2874ba880734SBrett Creeley if (pf->msix_entries) { 2875cbe66bfeSBrett Creeley synchronize_irq(pf->msix_entries[pf->oicr_idx].vector); 28764015d11eSBrett Creeley devm_free_irq(ice_pf_to_dev(pf), 2877cbe66bfeSBrett Creeley pf->msix_entries[pf->oicr_idx].vector, pf); 2878940b61afSAnirudh Venkataramanan } 2879940b61afSAnirudh Venkataramanan 2880eb0208ecSPreethi Banala pf->num_avail_sw_msix += 1; 2881cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, pf->oicr_idx, ICE_RES_MISC_VEC_ID); 2882940b61afSAnirudh Venkataramanan } 2883940b61afSAnirudh Venkataramanan 2884940b61afSAnirudh Venkataramanan /** 28850e04e8e1SBrett Creeley * ice_ena_ctrlq_interrupts - enable control queue interrupts 28860e04e8e1SBrett Creeley * @hw: pointer to HW structure 2887b07833a0SBrett Creeley * @reg_idx: HW vector index to associate the control queue interrupts with 28880e04e8e1SBrett Creeley */ 2889b07833a0SBrett Creeley static void ice_ena_ctrlq_interrupts(struct ice_hw *hw, u16 reg_idx) 28900e04e8e1SBrett Creeley { 28910e04e8e1SBrett Creeley u32 val; 28920e04e8e1SBrett Creeley 2893b07833a0SBrett Creeley val = ((reg_idx & PFINT_OICR_CTL_MSIX_INDX_M) | 28940e04e8e1SBrett Creeley PFINT_OICR_CTL_CAUSE_ENA_M); 28950e04e8e1SBrett Creeley wr32(hw, PFINT_OICR_CTL, val); 28960e04e8e1SBrett Creeley 28970e04e8e1SBrett Creeley /* enable Admin queue Interrupt causes */ 2898b07833a0SBrett Creeley val = ((reg_idx & PFINT_FW_CTL_MSIX_INDX_M) | 28990e04e8e1SBrett Creeley PFINT_FW_CTL_CAUSE_ENA_M); 29000e04e8e1SBrett Creeley wr32(hw, PFINT_FW_CTL, val); 29010e04e8e1SBrett Creeley 29020e04e8e1SBrett Creeley /* enable Mailbox queue Interrupt causes */ 2903b07833a0SBrett Creeley val = ((reg_idx & PFINT_MBX_CTL_MSIX_INDX_M) | 29040e04e8e1SBrett Creeley PFINT_MBX_CTL_CAUSE_ENA_M); 29050e04e8e1SBrett Creeley wr32(hw, PFINT_MBX_CTL, val); 29060e04e8e1SBrett Creeley 29078f5ee3c4SJacob Keller /* This enables Sideband queue Interrupt causes */ 29088f5ee3c4SJacob Keller val = ((reg_idx & PFINT_SB_CTL_MSIX_INDX_M) | 29098f5ee3c4SJacob Keller PFINT_SB_CTL_CAUSE_ENA_M); 29108f5ee3c4SJacob Keller wr32(hw, PFINT_SB_CTL, val); 29118f5ee3c4SJacob Keller 29120e04e8e1SBrett Creeley ice_flush(hw); 29130e04e8e1SBrett Creeley } 29140e04e8e1SBrett Creeley 29150e04e8e1SBrett Creeley /** 2916940b61afSAnirudh Venkataramanan * ice_req_irq_msix_misc - Setup the misc vector to handle non queue events 2917940b61afSAnirudh Venkataramanan * @pf: board private structure 2918940b61afSAnirudh Venkataramanan * 2919940b61afSAnirudh Venkataramanan * This sets up the handler for MSIX 0, which is used to manage the 2920940b61afSAnirudh Venkataramanan * non-queue interrupts, e.g. AdminQ and errors. This is not used 2921940b61afSAnirudh Venkataramanan * when in MSI or Legacy interrupt mode. 2922940b61afSAnirudh Venkataramanan */ 2923940b61afSAnirudh Venkataramanan static int ice_req_irq_msix_misc(struct ice_pf *pf) 2924940b61afSAnirudh Venkataramanan { 29254015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 2926940b61afSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 2927940b61afSAnirudh Venkataramanan int oicr_idx, err = 0; 2928940b61afSAnirudh Venkataramanan 2929940b61afSAnirudh Venkataramanan if (!pf->int_name[0]) 2930940b61afSAnirudh Venkataramanan snprintf(pf->int_name, sizeof(pf->int_name) - 1, "%s-%s:misc", 29314015d11eSBrett Creeley dev_driver_string(dev), dev_name(dev)); 2932940b61afSAnirudh Venkataramanan 29330b28b702SAnirudh Venkataramanan /* Do not request IRQ but do enable OICR interrupt since settings are 29340b28b702SAnirudh Venkataramanan * lost during reset. Note that this function is called only during 29350b28b702SAnirudh Venkataramanan * rebuild path and not while reset is in progress. 29360b28b702SAnirudh Venkataramanan */ 29375df7e45dSDave Ertman if (ice_is_reset_in_progress(pf->state)) 29380b28b702SAnirudh Venkataramanan goto skip_req_irq; 29390b28b702SAnirudh Venkataramanan 2940cbe66bfeSBrett Creeley /* reserve one vector in irq_tracker for misc interrupts */ 2941cbe66bfeSBrett Creeley oicr_idx = ice_get_res(pf, pf->irq_tracker, 1, ICE_RES_MISC_VEC_ID); 2942940b61afSAnirudh Venkataramanan if (oicr_idx < 0) 2943940b61afSAnirudh Venkataramanan return oicr_idx; 2944940b61afSAnirudh Venkataramanan 2945eb0208ecSPreethi Banala pf->num_avail_sw_msix -= 1; 294688865fc4SKarol Kolacinski pf->oicr_idx = (u16)oicr_idx; 2947940b61afSAnirudh Venkataramanan 29484015d11eSBrett Creeley err = devm_request_irq(dev, pf->msix_entries[pf->oicr_idx].vector, 2949940b61afSAnirudh Venkataramanan ice_misc_intr, 0, pf->int_name, pf); 2950940b61afSAnirudh Venkataramanan if (err) { 29514015d11eSBrett Creeley dev_err(dev, "devm_request_irq for %s failed: %d\n", 2952940b61afSAnirudh Venkataramanan pf->int_name, err); 2953cbe66bfeSBrett Creeley ice_free_res(pf->irq_tracker, 1, ICE_RES_MISC_VEC_ID); 2954eb0208ecSPreethi Banala pf->num_avail_sw_msix += 1; 2955940b61afSAnirudh Venkataramanan return err; 2956940b61afSAnirudh Venkataramanan } 2957940b61afSAnirudh Venkataramanan 29580b28b702SAnirudh Venkataramanan skip_req_irq: 2959940b61afSAnirudh Venkataramanan ice_ena_misc_vector(pf); 2960940b61afSAnirudh Venkataramanan 2961cbe66bfeSBrett Creeley ice_ena_ctrlq_interrupts(hw, pf->oicr_idx); 2962cbe66bfeSBrett Creeley wr32(hw, GLINT_ITR(ICE_RX_ITR, pf->oicr_idx), 296363f545edSBrett Creeley ITR_REG_ALIGN(ICE_ITR_8K) >> ICE_ITR_GRAN_S); 2964940b61afSAnirudh Venkataramanan 2965940b61afSAnirudh Venkataramanan ice_flush(hw); 2966cdedef59SAnirudh Venkataramanan ice_irq_dynamic_ena(hw, NULL, NULL); 2967940b61afSAnirudh Venkataramanan 2968940b61afSAnirudh Venkataramanan return 0; 2969940b61afSAnirudh Venkataramanan } 2970940b61afSAnirudh Venkataramanan 2971940b61afSAnirudh Venkataramanan /** 2972df0f8479SAnirudh Venkataramanan * ice_napi_add - register NAPI handler for the VSI 2973df0f8479SAnirudh Venkataramanan * @vsi: VSI for which NAPI handler is to be registered 2974df0f8479SAnirudh Venkataramanan * 2975df0f8479SAnirudh Venkataramanan * This function is only called in the driver's load path. Registering the NAPI 2976df0f8479SAnirudh Venkataramanan * handler is done in ice_vsi_alloc_q_vector() for all other cases (i.e. resume, 2977df0f8479SAnirudh Venkataramanan * reset/rebuild, etc.) 2978df0f8479SAnirudh Venkataramanan */ 2979df0f8479SAnirudh Venkataramanan static void ice_napi_add(struct ice_vsi *vsi) 2980df0f8479SAnirudh Venkataramanan { 2981df0f8479SAnirudh Venkataramanan int v_idx; 2982df0f8479SAnirudh Venkataramanan 2983df0f8479SAnirudh Venkataramanan if (!vsi->netdev) 2984df0f8479SAnirudh Venkataramanan return; 2985df0f8479SAnirudh Venkataramanan 29860c2561c8SBrett Creeley ice_for_each_q_vector(vsi, v_idx) 2987df0f8479SAnirudh Venkataramanan netif_napi_add(vsi->netdev, &vsi->q_vectors[v_idx]->napi, 2988df0f8479SAnirudh Venkataramanan ice_napi_poll, NAPI_POLL_WEIGHT); 2989df0f8479SAnirudh Venkataramanan } 2990df0f8479SAnirudh Venkataramanan 2991df0f8479SAnirudh Venkataramanan /** 2992462acf6aSTony Nguyen * ice_set_ops - set netdev and ethtools ops for the given netdev 2993462acf6aSTony Nguyen * @netdev: netdev instance 29943a858ba3SAnirudh Venkataramanan */ 2995462acf6aSTony Nguyen static void ice_set_ops(struct net_device *netdev) 29963a858ba3SAnirudh Venkataramanan { 2997462acf6aSTony Nguyen struct ice_pf *pf = ice_netdev_to_pf(netdev); 2998462acf6aSTony Nguyen 2999462acf6aSTony Nguyen if (ice_is_safe_mode(pf)) { 3000462acf6aSTony Nguyen netdev->netdev_ops = &ice_netdev_safe_mode_ops; 3001462acf6aSTony Nguyen ice_set_ethtool_safe_mode_ops(netdev); 3002462acf6aSTony Nguyen return; 3003462acf6aSTony Nguyen } 3004462acf6aSTony Nguyen 3005462acf6aSTony Nguyen netdev->netdev_ops = &ice_netdev_ops; 3006b20e6c17SJakub Kicinski netdev->udp_tunnel_nic_info = &pf->hw.udp_tunnel_nic; 3007462acf6aSTony Nguyen ice_set_ethtool_ops(netdev); 3008462acf6aSTony Nguyen } 3009462acf6aSTony Nguyen 3010462acf6aSTony Nguyen /** 3011462acf6aSTony Nguyen * ice_set_netdev_features - set features for the given netdev 3012462acf6aSTony Nguyen * @netdev: netdev instance 3013462acf6aSTony Nguyen */ 3014462acf6aSTony Nguyen static void ice_set_netdev_features(struct net_device *netdev) 3015462acf6aSTony Nguyen { 3016462acf6aSTony Nguyen struct ice_pf *pf = ice_netdev_to_pf(netdev); 3017d76a60baSAnirudh Venkataramanan netdev_features_t csumo_features; 3018d76a60baSAnirudh Venkataramanan netdev_features_t vlano_features; 3019d76a60baSAnirudh Venkataramanan netdev_features_t dflt_features; 3020d76a60baSAnirudh Venkataramanan netdev_features_t tso_features; 30213a858ba3SAnirudh Venkataramanan 3022462acf6aSTony Nguyen if (ice_is_safe_mode(pf)) { 3023462acf6aSTony Nguyen /* safe mode */ 3024462acf6aSTony Nguyen netdev->features = NETIF_F_SG | NETIF_F_HIGHDMA; 3025462acf6aSTony Nguyen netdev->hw_features = netdev->features; 3026462acf6aSTony Nguyen return; 3027462acf6aSTony Nguyen } 30283a858ba3SAnirudh Venkataramanan 3029d76a60baSAnirudh Venkataramanan dflt_features = NETIF_F_SG | 30303a858ba3SAnirudh Venkataramanan NETIF_F_HIGHDMA | 3031148beb61SHenry Tieman NETIF_F_NTUPLE | 30323a858ba3SAnirudh Venkataramanan NETIF_F_RXHASH; 30333a858ba3SAnirudh Venkataramanan 3034d76a60baSAnirudh Venkataramanan csumo_features = NETIF_F_RXCSUM | 3035d76a60baSAnirudh Venkataramanan NETIF_F_IP_CSUM | 3036cf909e19SAnirudh Venkataramanan NETIF_F_SCTP_CRC | 3037d76a60baSAnirudh Venkataramanan NETIF_F_IPV6_CSUM; 3038d76a60baSAnirudh Venkataramanan 3039d76a60baSAnirudh Venkataramanan vlano_features = NETIF_F_HW_VLAN_CTAG_FILTER | 3040d76a60baSAnirudh Venkataramanan NETIF_F_HW_VLAN_CTAG_TX | 3041d76a60baSAnirudh Venkataramanan NETIF_F_HW_VLAN_CTAG_RX; 3042d76a60baSAnirudh Venkataramanan 3043a54e3b8cSBrett Creeley tso_features = NETIF_F_TSO | 3044a4e82a81STony Nguyen NETIF_F_TSO_ECN | 3045a4e82a81STony Nguyen NETIF_F_TSO6 | 3046a4e82a81STony Nguyen NETIF_F_GSO_GRE | 3047a4e82a81STony Nguyen NETIF_F_GSO_UDP_TUNNEL | 3048a4e82a81STony Nguyen NETIF_F_GSO_GRE_CSUM | 3049a4e82a81STony Nguyen NETIF_F_GSO_UDP_TUNNEL_CSUM | 3050a4e82a81STony Nguyen NETIF_F_GSO_PARTIAL | 3051a4e82a81STony Nguyen NETIF_F_GSO_IPXIP4 | 3052a4e82a81STony Nguyen NETIF_F_GSO_IPXIP6 | 3053a54e3b8cSBrett Creeley NETIF_F_GSO_UDP_L4; 3054d76a60baSAnirudh Venkataramanan 3055a4e82a81STony Nguyen netdev->gso_partial_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM | 3056a4e82a81STony Nguyen NETIF_F_GSO_GRE_CSUM; 3057d76a60baSAnirudh Venkataramanan /* set features that user can change */ 3058d76a60baSAnirudh Venkataramanan netdev->hw_features = dflt_features | csumo_features | 3059d76a60baSAnirudh Venkataramanan vlano_features | tso_features; 3060d76a60baSAnirudh Venkataramanan 3061a4e82a81STony Nguyen /* add support for HW_CSUM on packets with MPLS header */ 3062a4e82a81STony Nguyen netdev->mpls_features = NETIF_F_HW_CSUM; 3063a4e82a81STony Nguyen 30643a858ba3SAnirudh Venkataramanan /* enable features */ 30653a858ba3SAnirudh Venkataramanan netdev->features |= netdev->hw_features; 3066d76a60baSAnirudh Venkataramanan /* encap and VLAN devices inherit default, csumo and tso features */ 3067d76a60baSAnirudh Venkataramanan netdev->hw_enc_features |= dflt_features | csumo_features | 3068d76a60baSAnirudh Venkataramanan tso_features; 3069d76a60baSAnirudh Venkataramanan netdev->vlan_features |= dflt_features | csumo_features | 3070d76a60baSAnirudh Venkataramanan tso_features; 3071462acf6aSTony Nguyen } 3072462acf6aSTony Nguyen 3073462acf6aSTony Nguyen /** 3074462acf6aSTony Nguyen * ice_cfg_netdev - Allocate, configure and register a netdev 3075462acf6aSTony Nguyen * @vsi: the VSI associated with the new netdev 3076462acf6aSTony Nguyen * 3077462acf6aSTony Nguyen * Returns 0 on success, negative value on failure 3078462acf6aSTony Nguyen */ 3079462acf6aSTony Nguyen static int ice_cfg_netdev(struct ice_vsi *vsi) 3080462acf6aSTony Nguyen { 3081462acf6aSTony Nguyen struct ice_netdev_priv *np; 3082462acf6aSTony Nguyen struct net_device *netdev; 3083462acf6aSTony Nguyen u8 mac_addr[ETH_ALEN]; 30841adf7eadSJacob Keller 3085462acf6aSTony Nguyen netdev = alloc_etherdev_mqs(sizeof(*np), vsi->alloc_txq, 3086462acf6aSTony Nguyen vsi->alloc_rxq); 30871e23f076SAnirudh Venkataramanan if (!netdev) 30881e23f076SAnirudh Venkataramanan return -ENOMEM; 3089462acf6aSTony Nguyen 3090a476d72aSAnirudh Venkataramanan set_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state); 3091462acf6aSTony Nguyen vsi->netdev = netdev; 3092462acf6aSTony Nguyen np = netdev_priv(netdev); 3093462acf6aSTony Nguyen np->vsi = vsi; 3094462acf6aSTony Nguyen 3095462acf6aSTony Nguyen ice_set_netdev_features(netdev); 3096462acf6aSTony Nguyen 3097462acf6aSTony Nguyen ice_set_ops(netdev); 30983a858ba3SAnirudh Venkataramanan 30993a858ba3SAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF) { 3100*c73bf3bdSPaul M Stillwell Jr SET_NETDEV_DEV(netdev, ice_pf_to_dev(vsi->back)); 31013a858ba3SAnirudh Venkataramanan ether_addr_copy(mac_addr, vsi->port_info->mac.perm_addr); 31023a858ba3SAnirudh Venkataramanan ether_addr_copy(netdev->dev_addr, mac_addr); 31033a858ba3SAnirudh Venkataramanan ether_addr_copy(netdev->perm_addr, mac_addr); 31043a858ba3SAnirudh Venkataramanan } 31053a858ba3SAnirudh Venkataramanan 31063a858ba3SAnirudh Venkataramanan netdev->priv_flags |= IFF_UNICAST_FLT; 31073a858ba3SAnirudh Venkataramanan 3108462acf6aSTony Nguyen /* Setup netdev TC information */ 3109462acf6aSTony Nguyen ice_vsi_cfg_netdev_tc(vsi, vsi->tc_cfg.ena_tc); 3110cdedef59SAnirudh Venkataramanan 31113a858ba3SAnirudh Venkataramanan /* setup watchdog timeout value to be 5 second */ 31123a858ba3SAnirudh Venkataramanan netdev->watchdog_timeo = 5 * HZ; 31133a858ba3SAnirudh Venkataramanan 31143a858ba3SAnirudh Venkataramanan netdev->min_mtu = ETH_MIN_MTU; 31153a858ba3SAnirudh Venkataramanan netdev->max_mtu = ICE_MAX_MTU; 31163a858ba3SAnirudh Venkataramanan 31173a858ba3SAnirudh Venkataramanan return 0; 31183a858ba3SAnirudh Venkataramanan } 31193a858ba3SAnirudh Venkataramanan 31203a858ba3SAnirudh Venkataramanan /** 3121d76a60baSAnirudh Venkataramanan * ice_fill_rss_lut - Fill the RSS lookup table with default values 3122d76a60baSAnirudh Venkataramanan * @lut: Lookup table 3123d76a60baSAnirudh Venkataramanan * @rss_table_size: Lookup table size 3124d76a60baSAnirudh Venkataramanan * @rss_size: Range of queue number for hashing 3125d76a60baSAnirudh Venkataramanan */ 3126d76a60baSAnirudh Venkataramanan void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size) 3127d76a60baSAnirudh Venkataramanan { 3128d76a60baSAnirudh Venkataramanan u16 i; 3129d76a60baSAnirudh Venkataramanan 3130d76a60baSAnirudh Venkataramanan for (i = 0; i < rss_table_size; i++) 3131d76a60baSAnirudh Venkataramanan lut[i] = i % rss_size; 3132d76a60baSAnirudh Venkataramanan } 3133d76a60baSAnirudh Venkataramanan 3134d76a60baSAnirudh Venkataramanan /** 31350f9d5027SAnirudh Venkataramanan * ice_pf_vsi_setup - Set up a PF VSI 31360f9d5027SAnirudh Venkataramanan * @pf: board private structure 31370f9d5027SAnirudh Venkataramanan * @pi: pointer to the port_info instance 31380f9d5027SAnirudh Venkataramanan * 31390e674aebSAnirudh Venkataramanan * Returns pointer to the successfully allocated VSI software struct 31400e674aebSAnirudh Venkataramanan * on success, otherwise returns NULL on failure. 31410f9d5027SAnirudh Venkataramanan */ 31420f9d5027SAnirudh Venkataramanan static struct ice_vsi * 31430f9d5027SAnirudh Venkataramanan ice_pf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi) 31440f9d5027SAnirudh Venkataramanan { 31450f9d5027SAnirudh Venkataramanan return ice_vsi_setup(pf, pi, ICE_VSI_PF, ICE_INVAL_VFID); 31460f9d5027SAnirudh Venkataramanan } 31470f9d5027SAnirudh Venkataramanan 31480f9d5027SAnirudh Venkataramanan /** 3149148beb61SHenry Tieman * ice_ctrl_vsi_setup - Set up a control VSI 3150148beb61SHenry Tieman * @pf: board private structure 3151148beb61SHenry Tieman * @pi: pointer to the port_info instance 3152148beb61SHenry Tieman * 3153148beb61SHenry Tieman * Returns pointer to the successfully allocated VSI software struct 3154148beb61SHenry Tieman * on success, otherwise returns NULL on failure. 3155148beb61SHenry Tieman */ 3156148beb61SHenry Tieman static struct ice_vsi * 3157148beb61SHenry Tieman ice_ctrl_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi) 3158148beb61SHenry Tieman { 3159148beb61SHenry Tieman return ice_vsi_setup(pf, pi, ICE_VSI_CTRL, ICE_INVAL_VFID); 3160148beb61SHenry Tieman } 3161148beb61SHenry Tieman 3162148beb61SHenry Tieman /** 31630e674aebSAnirudh Venkataramanan * ice_lb_vsi_setup - Set up a loopback VSI 31640e674aebSAnirudh Venkataramanan * @pf: board private structure 31650e674aebSAnirudh Venkataramanan * @pi: pointer to the port_info instance 31660e674aebSAnirudh Venkataramanan * 31670e674aebSAnirudh Venkataramanan * Returns pointer to the successfully allocated VSI software struct 31680e674aebSAnirudh Venkataramanan * on success, otherwise returns NULL on failure. 31690e674aebSAnirudh Venkataramanan */ 31700e674aebSAnirudh Venkataramanan struct ice_vsi * 31710e674aebSAnirudh Venkataramanan ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi) 31720e674aebSAnirudh Venkataramanan { 31730e674aebSAnirudh Venkataramanan return ice_vsi_setup(pf, pi, ICE_VSI_LB, ICE_INVAL_VFID); 31740e674aebSAnirudh Venkataramanan } 31750e674aebSAnirudh Venkataramanan 31760e674aebSAnirudh Venkataramanan /** 3177f9867df6SAnirudh Venkataramanan * ice_vlan_rx_add_vid - Add a VLAN ID filter to HW offload 3178d76a60baSAnirudh Venkataramanan * @netdev: network interface to be adjusted 3179d76a60baSAnirudh Venkataramanan * @proto: unused protocol 3180f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be added 3181d76a60baSAnirudh Venkataramanan * 3182f9867df6SAnirudh Venkataramanan * net_device_ops implementation for adding VLAN IDs 3183d76a60baSAnirudh Venkataramanan */ 3184c8b7abddSBruce Allan static int 3185c8b7abddSBruce Allan ice_vlan_rx_add_vid(struct net_device *netdev, __always_unused __be16 proto, 3186c8b7abddSBruce Allan u16 vid) 3187d76a60baSAnirudh Venkataramanan { 3188d76a60baSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 3189d76a60baSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 31905eda8afdSAkeem G Abodunrin int ret; 3191d76a60baSAnirudh Venkataramanan 319242f3efefSBrett Creeley /* VLAN 0 is added by default during load/reset */ 319342f3efefSBrett Creeley if (!vid) 319442f3efefSBrett Creeley return 0; 319542f3efefSBrett Creeley 319642f3efefSBrett Creeley /* Enable VLAN pruning when a VLAN other than 0 is added */ 319742f3efefSBrett Creeley if (!ice_vsi_is_vlan_pruning_ena(vsi)) { 31985eda8afdSAkeem G Abodunrin ret = ice_cfg_vlan_pruning(vsi, true, false); 31994f74dcc1SBrett Creeley if (ret) 32004f74dcc1SBrett Creeley return ret; 32014f74dcc1SBrett Creeley } 32024f74dcc1SBrett Creeley 320342f3efefSBrett Creeley /* Add a switch rule for this VLAN ID so its corresponding VLAN tagged 320442f3efefSBrett Creeley * packets aren't pruned by the device's internal switch on Rx 3205d76a60baSAnirudh Venkataramanan */ 32061b8f15b6SMichal Swiatkowski ret = ice_vsi_add_vlan(vsi, vid, ICE_FWD_TO_VSI); 3207bcf68ea1SNick Nunley if (!ret) 3208e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_VLAN_FLTR_CHANGED, vsi->state); 32095eda8afdSAkeem G Abodunrin 32105eda8afdSAkeem G Abodunrin return ret; 3211d76a60baSAnirudh Venkataramanan } 3212d76a60baSAnirudh Venkataramanan 3213d76a60baSAnirudh Venkataramanan /** 3214f9867df6SAnirudh Venkataramanan * ice_vlan_rx_kill_vid - Remove a VLAN ID filter from HW offload 3215d76a60baSAnirudh Venkataramanan * @netdev: network interface to be adjusted 3216d76a60baSAnirudh Venkataramanan * @proto: unused protocol 3217f9867df6SAnirudh Venkataramanan * @vid: VLAN ID to be removed 3218d76a60baSAnirudh Venkataramanan * 3219f9867df6SAnirudh Venkataramanan * net_device_ops implementation for removing VLAN IDs 3220d76a60baSAnirudh Venkataramanan */ 3221c8b7abddSBruce Allan static int 3222c8b7abddSBruce Allan ice_vlan_rx_kill_vid(struct net_device *netdev, __always_unused __be16 proto, 3223c8b7abddSBruce Allan u16 vid) 3224d76a60baSAnirudh Venkataramanan { 3225d76a60baSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 3226d76a60baSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 32275eda8afdSAkeem G Abodunrin int ret; 3228d76a60baSAnirudh Venkataramanan 322942f3efefSBrett Creeley /* don't allow removal of VLAN 0 */ 323042f3efefSBrett Creeley if (!vid) 323142f3efefSBrett Creeley return 0; 323242f3efefSBrett Creeley 32334f74dcc1SBrett Creeley /* Make sure ice_vsi_kill_vlan is successful before updating VLAN 32344f74dcc1SBrett Creeley * information 3235d76a60baSAnirudh Venkataramanan */ 32365eda8afdSAkeem G Abodunrin ret = ice_vsi_kill_vlan(vsi, vid); 32375eda8afdSAkeem G Abodunrin if (ret) 32385eda8afdSAkeem G Abodunrin return ret; 3239d76a60baSAnirudh Venkataramanan 324042f3efefSBrett Creeley /* Disable pruning when VLAN 0 is the only VLAN rule */ 324142f3efefSBrett Creeley if (vsi->num_vlan == 1 && ice_vsi_is_vlan_pruning_ena(vsi)) 32425eda8afdSAkeem G Abodunrin ret = ice_cfg_vlan_pruning(vsi, false, false); 32434f74dcc1SBrett Creeley 3244e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_VLAN_FLTR_CHANGED, vsi->state); 32455eda8afdSAkeem G Abodunrin return ret; 3246d76a60baSAnirudh Venkataramanan } 3247d76a60baSAnirudh Venkataramanan 3248d76a60baSAnirudh Venkataramanan /** 32493a858ba3SAnirudh Venkataramanan * ice_setup_pf_sw - Setup the HW switch on startup or after reset 32503a858ba3SAnirudh Venkataramanan * @pf: board private structure 32513a858ba3SAnirudh Venkataramanan * 32523a858ba3SAnirudh Venkataramanan * Returns 0 on success, negative value on failure 32533a858ba3SAnirudh Venkataramanan */ 32543a858ba3SAnirudh Venkataramanan static int ice_setup_pf_sw(struct ice_pf *pf) 32553a858ba3SAnirudh Venkataramanan { 32563a858ba3SAnirudh Venkataramanan struct ice_vsi *vsi; 32573a858ba3SAnirudh Venkataramanan int status = 0; 32583a858ba3SAnirudh Venkataramanan 32595df7e45dSDave Ertman if (ice_is_reset_in_progress(pf->state)) 32600f9d5027SAnirudh Venkataramanan return -EBUSY; 32610f9d5027SAnirudh Venkataramanan 32620f9d5027SAnirudh Venkataramanan vsi = ice_pf_vsi_setup(pf, pf->hw.port_info); 3263135f4b9eSJacob Keller if (!vsi) 3264135f4b9eSJacob Keller return -ENOMEM; 32653a858ba3SAnirudh Venkataramanan 3266df0f8479SAnirudh Venkataramanan status = ice_cfg_netdev(vsi); 3267df0f8479SAnirudh Venkataramanan if (status) { 3268df0f8479SAnirudh Venkataramanan status = -ENODEV; 3269df0f8479SAnirudh Venkataramanan goto unroll_vsi_setup; 3270df0f8479SAnirudh Venkataramanan } 3271efc2214bSMaciej Fijalkowski /* netdev has to be configured before setting frame size */ 3272efc2214bSMaciej Fijalkowski ice_vsi_cfg_frame_size(vsi); 3273df0f8479SAnirudh Venkataramanan 3274b94b013eSDave Ertman /* Setup DCB netlink interface */ 3275b94b013eSDave Ertman ice_dcbnl_setup(vsi); 3276b94b013eSDave Ertman 3277df0f8479SAnirudh Venkataramanan /* registering the NAPI handler requires both the queues and 3278df0f8479SAnirudh Venkataramanan * netdev to be created, which are done in ice_pf_vsi_setup() 3279df0f8479SAnirudh Venkataramanan * and ice_cfg_netdev() respectively 3280df0f8479SAnirudh Venkataramanan */ 3281df0f8479SAnirudh Venkataramanan ice_napi_add(vsi); 3282df0f8479SAnirudh Venkataramanan 328328bf2672SBrett Creeley status = ice_set_cpu_rx_rmap(vsi); 328428bf2672SBrett Creeley if (status) { 328528bf2672SBrett Creeley dev_err(ice_pf_to_dev(pf), "Failed to set CPU Rx map VSI %d error %d\n", 328628bf2672SBrett Creeley vsi->vsi_num, status); 328728bf2672SBrett Creeley status = -EINVAL; 328828bf2672SBrett Creeley goto unroll_napi_add; 328928bf2672SBrett Creeley } 3290561f4379STony Nguyen status = ice_init_mac_fltr(pf); 32919daf8208SAnirudh Venkataramanan if (status) 329228bf2672SBrett Creeley goto free_cpu_rx_map; 32939daf8208SAnirudh Venkataramanan 32949daf8208SAnirudh Venkataramanan return status; 32959daf8208SAnirudh Venkataramanan 329628bf2672SBrett Creeley free_cpu_rx_map: 329728bf2672SBrett Creeley ice_free_cpu_rx_rmap(vsi); 329828bf2672SBrett Creeley 3299df0f8479SAnirudh Venkataramanan unroll_napi_add: 33003a858ba3SAnirudh Venkataramanan if (vsi) { 3301df0f8479SAnirudh Venkataramanan ice_napi_del(vsi); 33023a858ba3SAnirudh Venkataramanan if (vsi->netdev) { 3303a476d72aSAnirudh Venkataramanan clear_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state); 33043a858ba3SAnirudh Venkataramanan free_netdev(vsi->netdev); 33053a858ba3SAnirudh Venkataramanan vsi->netdev = NULL; 33063a858ba3SAnirudh Venkataramanan } 3307df0f8479SAnirudh Venkataramanan } 33089daf8208SAnirudh Venkataramanan 3309df0f8479SAnirudh Venkataramanan unroll_vsi_setup: 3310135f4b9eSJacob Keller ice_vsi_release(vsi); 33113a858ba3SAnirudh Venkataramanan return status; 33123a858ba3SAnirudh Venkataramanan } 33133a858ba3SAnirudh Venkataramanan 33143a858ba3SAnirudh Venkataramanan /** 33158c243700SAnirudh Venkataramanan * ice_get_avail_q_count - Get count of queues in use 33168c243700SAnirudh Venkataramanan * @pf_qmap: bitmap to get queue use count from 33178c243700SAnirudh Venkataramanan * @lock: pointer to a mutex that protects access to pf_qmap 33188c243700SAnirudh Venkataramanan * @size: size of the bitmap 3319940b61afSAnirudh Venkataramanan */ 33208c243700SAnirudh Venkataramanan static u16 33218c243700SAnirudh Venkataramanan ice_get_avail_q_count(unsigned long *pf_qmap, struct mutex *lock, u16 size) 3322940b61afSAnirudh Venkataramanan { 332388865fc4SKarol Kolacinski unsigned long bit; 332488865fc4SKarol Kolacinski u16 count = 0; 3325940b61afSAnirudh Venkataramanan 33268c243700SAnirudh Venkataramanan mutex_lock(lock); 33278c243700SAnirudh Venkataramanan for_each_clear_bit(bit, pf_qmap, size) 33288c243700SAnirudh Venkataramanan count++; 33298c243700SAnirudh Venkataramanan mutex_unlock(lock); 3330940b61afSAnirudh Venkataramanan 33318c243700SAnirudh Venkataramanan return count; 33328c243700SAnirudh Venkataramanan } 3333d76a60baSAnirudh Venkataramanan 33348c243700SAnirudh Venkataramanan /** 33358c243700SAnirudh Venkataramanan * ice_get_avail_txq_count - Get count of Tx queues in use 33368c243700SAnirudh Venkataramanan * @pf: pointer to an ice_pf instance 33378c243700SAnirudh Venkataramanan */ 33388c243700SAnirudh Venkataramanan u16 ice_get_avail_txq_count(struct ice_pf *pf) 33398c243700SAnirudh Venkataramanan { 33408c243700SAnirudh Venkataramanan return ice_get_avail_q_count(pf->avail_txqs, &pf->avail_q_mutex, 33418c243700SAnirudh Venkataramanan pf->max_pf_txqs); 33428c243700SAnirudh Venkataramanan } 3343940b61afSAnirudh Venkataramanan 33448c243700SAnirudh Venkataramanan /** 33458c243700SAnirudh Venkataramanan * ice_get_avail_rxq_count - Get count of Rx queues in use 33468c243700SAnirudh Venkataramanan * @pf: pointer to an ice_pf instance 33478c243700SAnirudh Venkataramanan */ 33488c243700SAnirudh Venkataramanan u16 ice_get_avail_rxq_count(struct ice_pf *pf) 33498c243700SAnirudh Venkataramanan { 33508c243700SAnirudh Venkataramanan return ice_get_avail_q_count(pf->avail_rxqs, &pf->avail_q_mutex, 33518c243700SAnirudh Venkataramanan pf->max_pf_rxqs); 3352940b61afSAnirudh Venkataramanan } 3353940b61afSAnirudh Venkataramanan 3354940b61afSAnirudh Venkataramanan /** 3355940b61afSAnirudh Venkataramanan * ice_deinit_pf - Unrolls initialziations done by ice_init_pf 3356940b61afSAnirudh Venkataramanan * @pf: board private structure to initialize 3357940b61afSAnirudh Venkataramanan */ 3358940b61afSAnirudh Venkataramanan static void ice_deinit_pf(struct ice_pf *pf) 3359940b61afSAnirudh Venkataramanan { 33608d81fa55SAkeem G Abodunrin ice_service_task_stop(pf); 3361940b61afSAnirudh Venkataramanan mutex_destroy(&pf->sw_mutex); 3362b94b013eSDave Ertman mutex_destroy(&pf->tc_mutex); 3363940b61afSAnirudh Venkataramanan mutex_destroy(&pf->avail_q_mutex); 336478b5713aSAnirudh Venkataramanan 336578b5713aSAnirudh Venkataramanan if (pf->avail_txqs) { 336678b5713aSAnirudh Venkataramanan bitmap_free(pf->avail_txqs); 336778b5713aSAnirudh Venkataramanan pf->avail_txqs = NULL; 336878b5713aSAnirudh Venkataramanan } 336978b5713aSAnirudh Venkataramanan 337078b5713aSAnirudh Venkataramanan if (pf->avail_rxqs) { 337178b5713aSAnirudh Venkataramanan bitmap_free(pf->avail_rxqs); 337278b5713aSAnirudh Venkataramanan pf->avail_rxqs = NULL; 337378b5713aSAnirudh Venkataramanan } 337406c16d89SJacob Keller 337506c16d89SJacob Keller if (pf->ptp.clock) 337606c16d89SJacob Keller ptp_clock_unregister(pf->ptp.clock); 3377940b61afSAnirudh Venkataramanan } 3378940b61afSAnirudh Venkataramanan 3379940b61afSAnirudh Venkataramanan /** 3380462acf6aSTony Nguyen * ice_set_pf_caps - set PFs capability flags 3381462acf6aSTony Nguyen * @pf: pointer to the PF instance 3382462acf6aSTony Nguyen */ 3383462acf6aSTony Nguyen static void ice_set_pf_caps(struct ice_pf *pf) 3384462acf6aSTony Nguyen { 3385462acf6aSTony Nguyen struct ice_hw_func_caps *func_caps = &pf->hw.func_caps; 3386462acf6aSTony Nguyen 3387d25a0fc4SDave Ertman clear_bit(ICE_FLAG_RDMA_ENA, pf->flags); 3388d25a0fc4SDave Ertman clear_bit(ICE_FLAG_AUX_ENA, pf->flags); 3389d25a0fc4SDave Ertman if (func_caps->common_cap.rdma) { 3390d25a0fc4SDave Ertman set_bit(ICE_FLAG_RDMA_ENA, pf->flags); 3391d25a0fc4SDave Ertman set_bit(ICE_FLAG_AUX_ENA, pf->flags); 3392d25a0fc4SDave Ertman } 3393462acf6aSTony Nguyen clear_bit(ICE_FLAG_DCB_CAPABLE, pf->flags); 3394462acf6aSTony Nguyen if (func_caps->common_cap.dcb) 3395462acf6aSTony Nguyen set_bit(ICE_FLAG_DCB_CAPABLE, pf->flags); 3396462acf6aSTony Nguyen clear_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags); 3397462acf6aSTony Nguyen if (func_caps->common_cap.sr_iov_1_1) { 3398462acf6aSTony Nguyen set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags); 3399462acf6aSTony Nguyen pf->num_vfs_supported = min_t(int, func_caps->num_allocd_vfs, 3400462acf6aSTony Nguyen ICE_MAX_VF_COUNT); 3401462acf6aSTony Nguyen } 3402462acf6aSTony Nguyen clear_bit(ICE_FLAG_RSS_ENA, pf->flags); 3403462acf6aSTony Nguyen if (func_caps->common_cap.rss_table_size) 3404462acf6aSTony Nguyen set_bit(ICE_FLAG_RSS_ENA, pf->flags); 3405462acf6aSTony Nguyen 3406148beb61SHenry Tieman clear_bit(ICE_FLAG_FD_ENA, pf->flags); 3407148beb61SHenry Tieman if (func_caps->fd_fltr_guar > 0 || func_caps->fd_fltr_best_effort > 0) { 3408148beb61SHenry Tieman u16 unused; 3409148beb61SHenry Tieman 3410148beb61SHenry Tieman /* ctrl_vsi_idx will be set to a valid value when flow director 3411148beb61SHenry Tieman * is setup by ice_init_fdir 3412148beb61SHenry Tieman */ 3413148beb61SHenry Tieman pf->ctrl_vsi_idx = ICE_NO_VSI; 3414148beb61SHenry Tieman set_bit(ICE_FLAG_FD_ENA, pf->flags); 3415148beb61SHenry Tieman /* force guaranteed filter pool for PF */ 3416148beb61SHenry Tieman ice_alloc_fd_guar_item(&pf->hw, &unused, 3417148beb61SHenry Tieman func_caps->fd_fltr_guar); 3418148beb61SHenry Tieman /* force shared filter pool for PF */ 3419148beb61SHenry Tieman ice_alloc_fd_shrd_item(&pf->hw, &unused, 3420148beb61SHenry Tieman func_caps->fd_fltr_best_effort); 3421148beb61SHenry Tieman } 3422148beb61SHenry Tieman 342306c16d89SJacob Keller clear_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags); 342406c16d89SJacob Keller if (func_caps->common_cap.ieee_1588) 342506c16d89SJacob Keller set_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags); 342606c16d89SJacob Keller 3427462acf6aSTony Nguyen pf->max_pf_txqs = func_caps->common_cap.num_txq; 3428462acf6aSTony Nguyen pf->max_pf_rxqs = func_caps->common_cap.num_rxq; 3429462acf6aSTony Nguyen } 3430462acf6aSTony Nguyen 3431462acf6aSTony Nguyen /** 3432940b61afSAnirudh Venkataramanan * ice_init_pf - Initialize general software structures (struct ice_pf) 3433940b61afSAnirudh Venkataramanan * @pf: board private structure to initialize 3434940b61afSAnirudh Venkataramanan */ 343578b5713aSAnirudh Venkataramanan static int ice_init_pf(struct ice_pf *pf) 3436940b61afSAnirudh Venkataramanan { 3437462acf6aSTony Nguyen ice_set_pf_caps(pf); 3438940b61afSAnirudh Venkataramanan 3439940b61afSAnirudh Venkataramanan mutex_init(&pf->sw_mutex); 3440b94b013eSDave Ertman mutex_init(&pf->tc_mutex); 3441d76a60baSAnirudh Venkataramanan 3442d69ea414SJacob Keller INIT_HLIST_HEAD(&pf->aq_wait_list); 3443d69ea414SJacob Keller spin_lock_init(&pf->aq_wait_lock); 3444d69ea414SJacob Keller init_waitqueue_head(&pf->aq_wait_queue); 3445d69ea414SJacob Keller 34461c08052eSJacob Keller init_waitqueue_head(&pf->reset_wait_queue); 34471c08052eSJacob Keller 3448940b61afSAnirudh Venkataramanan /* setup service timer and periodic service task */ 3449940b61afSAnirudh Venkataramanan timer_setup(&pf->serv_tmr, ice_service_timer, 0); 3450940b61afSAnirudh Venkataramanan pf->serv_tmr_period = HZ; 3451940b61afSAnirudh Venkataramanan INIT_WORK(&pf->serv_task, ice_service_task); 34527e408e07SAnirudh Venkataramanan clear_bit(ICE_SERVICE_SCHED, pf->state); 345378b5713aSAnirudh Venkataramanan 3454462acf6aSTony Nguyen mutex_init(&pf->avail_q_mutex); 345578b5713aSAnirudh Venkataramanan pf->avail_txqs = bitmap_zalloc(pf->max_pf_txqs, GFP_KERNEL); 345678b5713aSAnirudh Venkataramanan if (!pf->avail_txqs) 345778b5713aSAnirudh Venkataramanan return -ENOMEM; 345878b5713aSAnirudh Venkataramanan 345978b5713aSAnirudh Venkataramanan pf->avail_rxqs = bitmap_zalloc(pf->max_pf_rxqs, GFP_KERNEL); 346078b5713aSAnirudh Venkataramanan if (!pf->avail_rxqs) { 34614015d11eSBrett Creeley devm_kfree(ice_pf_to_dev(pf), pf->avail_txqs); 346278b5713aSAnirudh Venkataramanan pf->avail_txqs = NULL; 346378b5713aSAnirudh Venkataramanan return -ENOMEM; 346478b5713aSAnirudh Venkataramanan } 346578b5713aSAnirudh Venkataramanan 346678b5713aSAnirudh Venkataramanan return 0; 3467940b61afSAnirudh Venkataramanan } 3468940b61afSAnirudh Venkataramanan 3469940b61afSAnirudh Venkataramanan /** 3470940b61afSAnirudh Venkataramanan * ice_ena_msix_range - Request a range of MSIX vectors from the OS 3471940b61afSAnirudh Venkataramanan * @pf: board private structure 3472940b61afSAnirudh Venkataramanan * 3473940b61afSAnirudh Venkataramanan * compute the number of MSIX vectors required (v_budget) and request from 3474940b61afSAnirudh Venkataramanan * the OS. Return the number of vectors reserved or negative on failure 3475940b61afSAnirudh Venkataramanan */ 3476940b61afSAnirudh Venkataramanan static int ice_ena_msix_range(struct ice_pf *pf) 3477940b61afSAnirudh Venkataramanan { 3478d25a0fc4SDave Ertman int num_cpus, v_left, v_actual, v_other, v_budget = 0; 34794015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 3480940b61afSAnirudh Venkataramanan int needed, err, i; 3481940b61afSAnirudh Venkataramanan 3482940b61afSAnirudh Venkataramanan v_left = pf->hw.func_caps.common_cap.num_msix_vectors; 3483d25a0fc4SDave Ertman num_cpus = num_online_cpus(); 3484940b61afSAnirudh Venkataramanan 3485741106f7STony Nguyen /* reserve for LAN miscellaneous handler */ 3486741106f7STony Nguyen needed = ICE_MIN_LAN_OICR_MSIX; 3487152b978aSAnirudh Venkataramanan if (v_left < needed) 3488152b978aSAnirudh Venkataramanan goto no_hw_vecs_left_err; 3489940b61afSAnirudh Venkataramanan v_budget += needed; 3490940b61afSAnirudh Venkataramanan v_left -= needed; 3491940b61afSAnirudh Venkataramanan 3492741106f7STony Nguyen /* reserve for flow director */ 3493741106f7STony Nguyen if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) { 3494741106f7STony Nguyen needed = ICE_FDIR_MSIX; 3495741106f7STony Nguyen if (v_left < needed) 3496741106f7STony Nguyen goto no_hw_vecs_left_err; 3497741106f7STony Nguyen v_budget += needed; 3498741106f7STony Nguyen v_left -= needed; 3499741106f7STony Nguyen } 3500741106f7STony Nguyen 3501741106f7STony Nguyen /* total used for non-traffic vectors */ 3502741106f7STony Nguyen v_other = v_budget; 3503741106f7STony Nguyen 3504940b61afSAnirudh Venkataramanan /* reserve vectors for LAN traffic */ 3505d25a0fc4SDave Ertman needed = num_cpus; 3506152b978aSAnirudh Venkataramanan if (v_left < needed) 3507152b978aSAnirudh Venkataramanan goto no_hw_vecs_left_err; 3508152b978aSAnirudh Venkataramanan pf->num_lan_msix = needed; 3509152b978aSAnirudh Venkataramanan v_budget += needed; 3510152b978aSAnirudh Venkataramanan v_left -= needed; 3511940b61afSAnirudh Venkataramanan 3512d25a0fc4SDave Ertman /* reserve vectors for RDMA auxiliary driver */ 3513d25a0fc4SDave Ertman if (test_bit(ICE_FLAG_RDMA_ENA, pf->flags)) { 3514d25a0fc4SDave Ertman needed = num_cpus + ICE_RDMA_NUM_AEQ_MSIX; 3515d25a0fc4SDave Ertman if (v_left < needed) 3516d25a0fc4SDave Ertman goto no_hw_vecs_left_err; 3517d25a0fc4SDave Ertman pf->num_rdma_msix = needed; 3518d25a0fc4SDave Ertman v_budget += needed; 3519d25a0fc4SDave Ertman v_left -= needed; 3520d25a0fc4SDave Ertman } 3521d25a0fc4SDave Ertman 35224015d11eSBrett Creeley pf->msix_entries = devm_kcalloc(dev, v_budget, 3523c6dfd690SBruce Allan sizeof(*pf->msix_entries), GFP_KERNEL); 3524940b61afSAnirudh Venkataramanan if (!pf->msix_entries) { 3525940b61afSAnirudh Venkataramanan err = -ENOMEM; 3526940b61afSAnirudh Venkataramanan goto exit_err; 3527940b61afSAnirudh Venkataramanan } 3528940b61afSAnirudh Venkataramanan 3529940b61afSAnirudh Venkataramanan for (i = 0; i < v_budget; i++) 3530940b61afSAnirudh Venkataramanan pf->msix_entries[i].entry = i; 3531940b61afSAnirudh Venkataramanan 3532940b61afSAnirudh Venkataramanan /* actually reserve the vectors */ 3533940b61afSAnirudh Venkataramanan v_actual = pci_enable_msix_range(pf->pdev, pf->msix_entries, 3534940b61afSAnirudh Venkataramanan ICE_MIN_MSIX, v_budget); 3535940b61afSAnirudh Venkataramanan if (v_actual < 0) { 35364015d11eSBrett Creeley dev_err(dev, "unable to reserve MSI-X vectors\n"); 3537940b61afSAnirudh Venkataramanan err = v_actual; 3538940b61afSAnirudh Venkataramanan goto msix_err; 3539940b61afSAnirudh Venkataramanan } 3540940b61afSAnirudh Venkataramanan 3541940b61afSAnirudh Venkataramanan if (v_actual < v_budget) { 354219cce2c6SAnirudh Venkataramanan dev_warn(dev, "not enough OS MSI-X vectors. requested = %d, obtained = %d\n", 3543940b61afSAnirudh Venkataramanan v_budget, v_actual); 3544152b978aSAnirudh Venkataramanan 3545f3fe97f6SBrett Creeley if (v_actual < ICE_MIN_MSIX) { 3546152b978aSAnirudh Venkataramanan /* error if we can't get minimum vectors */ 3547940b61afSAnirudh Venkataramanan pci_disable_msix(pf->pdev); 3548940b61afSAnirudh Venkataramanan err = -ERANGE; 3549940b61afSAnirudh Venkataramanan goto msix_err; 3550152b978aSAnirudh Venkataramanan } else { 3551d25a0fc4SDave Ertman int v_remain = v_actual - v_other; 3552d25a0fc4SDave Ertman int v_rdma = 0, v_min_rdma = 0; 3553d25a0fc4SDave Ertman 3554d25a0fc4SDave Ertman if (test_bit(ICE_FLAG_RDMA_ENA, pf->flags)) { 3555d25a0fc4SDave Ertman /* Need at least 1 interrupt in addition to 3556d25a0fc4SDave Ertman * AEQ MSIX 3557d25a0fc4SDave Ertman */ 3558d25a0fc4SDave Ertman v_rdma = ICE_RDMA_NUM_AEQ_MSIX + 1; 3559d25a0fc4SDave Ertman v_min_rdma = ICE_MIN_RDMA_MSIX; 3560d25a0fc4SDave Ertman } 3561741106f7STony Nguyen 3562741106f7STony Nguyen if (v_actual == ICE_MIN_MSIX || 3563d25a0fc4SDave Ertman v_remain < ICE_MIN_LAN_TXRX_MSIX + v_min_rdma) { 3564d25a0fc4SDave Ertman dev_warn(dev, "Not enough MSI-X vectors to support RDMA.\n"); 3565d25a0fc4SDave Ertman clear_bit(ICE_FLAG_RDMA_ENA, pf->flags); 3566d25a0fc4SDave Ertman 3567d25a0fc4SDave Ertman pf->num_rdma_msix = 0; 3568f3fe97f6SBrett Creeley pf->num_lan_msix = ICE_MIN_LAN_TXRX_MSIX; 3569d25a0fc4SDave Ertman } else if ((v_remain < ICE_MIN_LAN_TXRX_MSIX + v_rdma) || 3570d25a0fc4SDave Ertman (v_remain - v_rdma < v_rdma)) { 3571d25a0fc4SDave Ertman /* Support minimum RDMA and give remaining 3572d25a0fc4SDave Ertman * vectors to LAN MSIX 3573d25a0fc4SDave Ertman */ 3574d25a0fc4SDave Ertman pf->num_rdma_msix = v_min_rdma; 3575d25a0fc4SDave Ertman pf->num_lan_msix = v_remain - v_min_rdma; 3576d25a0fc4SDave Ertman } else { 3577d25a0fc4SDave Ertman /* Split remaining MSIX with RDMA after 3578d25a0fc4SDave Ertman * accounting for AEQ MSIX 3579d25a0fc4SDave Ertman */ 3580d25a0fc4SDave Ertman pf->num_rdma_msix = (v_remain - ICE_RDMA_NUM_AEQ_MSIX) / 2 + 3581d25a0fc4SDave Ertman ICE_RDMA_NUM_AEQ_MSIX; 3582d25a0fc4SDave Ertman pf->num_lan_msix = v_remain - pf->num_rdma_msix; 3583d25a0fc4SDave Ertman } 3584741106f7STony Nguyen 3585741106f7STony Nguyen dev_notice(dev, "Enabled %d MSI-X vectors for LAN traffic.\n", 3586741106f7STony Nguyen pf->num_lan_msix); 3587d25a0fc4SDave Ertman 3588d25a0fc4SDave Ertman if (test_bit(ICE_FLAG_RDMA_ENA, pf->flags)) 3589d25a0fc4SDave Ertman dev_notice(dev, "Enabled %d MSI-X vectors for RDMA.\n", 3590d25a0fc4SDave Ertman pf->num_rdma_msix); 3591940b61afSAnirudh Venkataramanan } 3592940b61afSAnirudh Venkataramanan } 3593940b61afSAnirudh Venkataramanan 3594940b61afSAnirudh Venkataramanan return v_actual; 3595940b61afSAnirudh Venkataramanan 3596940b61afSAnirudh Venkataramanan msix_err: 35974015d11eSBrett Creeley devm_kfree(dev, pf->msix_entries); 3598940b61afSAnirudh Venkataramanan goto exit_err; 3599940b61afSAnirudh Venkataramanan 3600152b978aSAnirudh Venkataramanan no_hw_vecs_left_err: 360119cce2c6SAnirudh Venkataramanan dev_err(dev, "not enough device MSI-X vectors. requested = %d, available = %d\n", 3602152b978aSAnirudh Venkataramanan needed, v_left); 3603152b978aSAnirudh Venkataramanan err = -ERANGE; 3604940b61afSAnirudh Venkataramanan exit_err: 3605d25a0fc4SDave Ertman pf->num_rdma_msix = 0; 3606940b61afSAnirudh Venkataramanan pf->num_lan_msix = 0; 3607940b61afSAnirudh Venkataramanan return err; 3608940b61afSAnirudh Venkataramanan } 3609940b61afSAnirudh Venkataramanan 3610940b61afSAnirudh Venkataramanan /** 3611940b61afSAnirudh Venkataramanan * ice_dis_msix - Disable MSI-X interrupt setup in OS 3612940b61afSAnirudh Venkataramanan * @pf: board private structure 3613940b61afSAnirudh Venkataramanan */ 3614940b61afSAnirudh Venkataramanan static void ice_dis_msix(struct ice_pf *pf) 3615940b61afSAnirudh Venkataramanan { 3616940b61afSAnirudh Venkataramanan pci_disable_msix(pf->pdev); 36174015d11eSBrett Creeley devm_kfree(ice_pf_to_dev(pf), pf->msix_entries); 3618940b61afSAnirudh Venkataramanan pf->msix_entries = NULL; 3619940b61afSAnirudh Venkataramanan } 3620940b61afSAnirudh Venkataramanan 3621940b61afSAnirudh Venkataramanan /** 3622eb0208ecSPreethi Banala * ice_clear_interrupt_scheme - Undo things done by ice_init_interrupt_scheme 3623eb0208ecSPreethi Banala * @pf: board private structure 3624eb0208ecSPreethi Banala */ 3625eb0208ecSPreethi Banala static void ice_clear_interrupt_scheme(struct ice_pf *pf) 3626eb0208ecSPreethi Banala { 3627eb0208ecSPreethi Banala ice_dis_msix(pf); 3628eb0208ecSPreethi Banala 3629cbe66bfeSBrett Creeley if (pf->irq_tracker) { 36304015d11eSBrett Creeley devm_kfree(ice_pf_to_dev(pf), pf->irq_tracker); 3631cbe66bfeSBrett Creeley pf->irq_tracker = NULL; 3632eb0208ecSPreethi Banala } 3633eb0208ecSPreethi Banala } 3634eb0208ecSPreethi Banala 3635eb0208ecSPreethi Banala /** 3636940b61afSAnirudh Venkataramanan * ice_init_interrupt_scheme - Determine proper interrupt scheme 3637940b61afSAnirudh Venkataramanan * @pf: board private structure to initialize 3638940b61afSAnirudh Venkataramanan */ 3639940b61afSAnirudh Venkataramanan static int ice_init_interrupt_scheme(struct ice_pf *pf) 3640940b61afSAnirudh Venkataramanan { 3641cbe66bfeSBrett Creeley int vectors; 3642940b61afSAnirudh Venkataramanan 3643940b61afSAnirudh Venkataramanan vectors = ice_ena_msix_range(pf); 3644940b61afSAnirudh Venkataramanan 3645940b61afSAnirudh Venkataramanan if (vectors < 0) 3646940b61afSAnirudh Venkataramanan return vectors; 3647940b61afSAnirudh Venkataramanan 3648940b61afSAnirudh Venkataramanan /* set up vector assignment tracking */ 3649e94c0df9SGustavo A. R. Silva pf->irq_tracker = devm_kzalloc(ice_pf_to_dev(pf), 3650e94c0df9SGustavo A. R. Silva struct_size(pf->irq_tracker, list, vectors), 3651e94c0df9SGustavo A. R. Silva GFP_KERNEL); 3652cbe66bfeSBrett Creeley if (!pf->irq_tracker) { 3653940b61afSAnirudh Venkataramanan ice_dis_msix(pf); 3654940b61afSAnirudh Venkataramanan return -ENOMEM; 3655940b61afSAnirudh Venkataramanan } 3656940b61afSAnirudh Venkataramanan 3657eb0208ecSPreethi Banala /* populate SW interrupts pool with number of OS granted IRQs. */ 365888865fc4SKarol Kolacinski pf->num_avail_sw_msix = (u16)vectors; 365988865fc4SKarol Kolacinski pf->irq_tracker->num_entries = (u16)vectors; 3660cbe66bfeSBrett Creeley pf->irq_tracker->end = pf->irq_tracker->num_entries; 3661940b61afSAnirudh Venkataramanan 3662940b61afSAnirudh Venkataramanan return 0; 3663940b61afSAnirudh Venkataramanan } 3664940b61afSAnirudh Venkataramanan 3665940b61afSAnirudh Venkataramanan /** 366631765519SAnirudh Venkataramanan * ice_is_wol_supported - check if WoL is supported 366731765519SAnirudh Venkataramanan * @hw: pointer to hardware info 3668769c500dSAkeem G Abodunrin * 3669769c500dSAkeem G Abodunrin * Check if WoL is supported based on the HW configuration. 3670769c500dSAkeem G Abodunrin * Returns true if NVM supports and enables WoL for this port, false otherwise 3671769c500dSAkeem G Abodunrin */ 367231765519SAnirudh Venkataramanan bool ice_is_wol_supported(struct ice_hw *hw) 3673769c500dSAkeem G Abodunrin { 3674769c500dSAkeem G Abodunrin u16 wol_ctrl; 3675769c500dSAkeem G Abodunrin 3676769c500dSAkeem G Abodunrin /* A bit set to 1 in the NVM Software Reserved Word 2 (WoL control 3677769c500dSAkeem G Abodunrin * word) indicates WoL is not supported on the corresponding PF ID. 3678769c500dSAkeem G Abodunrin */ 3679769c500dSAkeem G Abodunrin if (ice_read_sr_word(hw, ICE_SR_NVM_WOL_CFG, &wol_ctrl)) 3680769c500dSAkeem G Abodunrin return false; 3681769c500dSAkeem G Abodunrin 368231765519SAnirudh Venkataramanan return !(BIT(hw->port_info->lport) & wol_ctrl); 3683769c500dSAkeem G Abodunrin } 3684769c500dSAkeem G Abodunrin 3685769c500dSAkeem G Abodunrin /** 368687324e74SHenry Tieman * ice_vsi_recfg_qs - Change the number of queues on a VSI 368787324e74SHenry Tieman * @vsi: VSI being changed 368887324e74SHenry Tieman * @new_rx: new number of Rx queues 368987324e74SHenry Tieman * @new_tx: new number of Tx queues 369087324e74SHenry Tieman * 369187324e74SHenry Tieman * Only change the number of queues if new_tx, or new_rx is non-0. 369287324e74SHenry Tieman * 369387324e74SHenry Tieman * Returns 0 on success. 369487324e74SHenry Tieman */ 369587324e74SHenry Tieman int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx) 369687324e74SHenry Tieman { 369787324e74SHenry Tieman struct ice_pf *pf = vsi->back; 369887324e74SHenry Tieman int err = 0, timeout = 50; 369987324e74SHenry Tieman 370087324e74SHenry Tieman if (!new_rx && !new_tx) 370187324e74SHenry Tieman return -EINVAL; 370287324e74SHenry Tieman 37037e408e07SAnirudh Venkataramanan while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 370487324e74SHenry Tieman timeout--; 370587324e74SHenry Tieman if (!timeout) 370687324e74SHenry Tieman return -EBUSY; 370787324e74SHenry Tieman usleep_range(1000, 2000); 370887324e74SHenry Tieman } 370987324e74SHenry Tieman 371087324e74SHenry Tieman if (new_tx) 371188865fc4SKarol Kolacinski vsi->req_txq = (u16)new_tx; 371287324e74SHenry Tieman if (new_rx) 371388865fc4SKarol Kolacinski vsi->req_rxq = (u16)new_rx; 371487324e74SHenry Tieman 371587324e74SHenry Tieman /* set for the next time the netdev is started */ 371687324e74SHenry Tieman if (!netif_running(vsi->netdev)) { 371787324e74SHenry Tieman ice_vsi_rebuild(vsi, false); 371887324e74SHenry Tieman dev_dbg(ice_pf_to_dev(pf), "Link is down, queue count change happens when link is brought up\n"); 371987324e74SHenry Tieman goto done; 372087324e74SHenry Tieman } 372187324e74SHenry Tieman 372287324e74SHenry Tieman ice_vsi_close(vsi); 372387324e74SHenry Tieman ice_vsi_rebuild(vsi, false); 372487324e74SHenry Tieman ice_pf_dcb_recfg(pf); 372587324e74SHenry Tieman ice_vsi_open(vsi); 372687324e74SHenry Tieman done: 37277e408e07SAnirudh Venkataramanan clear_bit(ICE_CFG_BUSY, pf->state); 372887324e74SHenry Tieman return err; 372987324e74SHenry Tieman } 373087324e74SHenry Tieman 373187324e74SHenry Tieman /** 3732cd1f56f4SBrett Creeley * ice_set_safe_mode_vlan_cfg - configure PF VSI to allow all VLANs in safe mode 3733cd1f56f4SBrett Creeley * @pf: PF to configure 3734cd1f56f4SBrett Creeley * 3735cd1f56f4SBrett Creeley * No VLAN offloads/filtering are advertised in safe mode so make sure the PF 3736cd1f56f4SBrett Creeley * VSI can still Tx/Rx VLAN tagged packets. 3737cd1f56f4SBrett Creeley */ 3738cd1f56f4SBrett Creeley static void ice_set_safe_mode_vlan_cfg(struct ice_pf *pf) 3739cd1f56f4SBrett Creeley { 3740cd1f56f4SBrett Creeley struct ice_vsi *vsi = ice_get_main_vsi(pf); 3741cd1f56f4SBrett Creeley struct ice_vsi_ctx *ctxt; 3742cd1f56f4SBrett Creeley enum ice_status status; 3743cd1f56f4SBrett Creeley struct ice_hw *hw; 3744cd1f56f4SBrett Creeley 3745cd1f56f4SBrett Creeley if (!vsi) 3746cd1f56f4SBrett Creeley return; 3747cd1f56f4SBrett Creeley 3748cd1f56f4SBrett Creeley ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 3749cd1f56f4SBrett Creeley if (!ctxt) 3750cd1f56f4SBrett Creeley return; 3751cd1f56f4SBrett Creeley 3752cd1f56f4SBrett Creeley hw = &pf->hw; 3753cd1f56f4SBrett Creeley ctxt->info = vsi->info; 3754cd1f56f4SBrett Creeley 3755cd1f56f4SBrett Creeley ctxt->info.valid_sections = 3756cd1f56f4SBrett Creeley cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID | 3757cd1f56f4SBrett Creeley ICE_AQ_VSI_PROP_SECURITY_VALID | 3758cd1f56f4SBrett Creeley ICE_AQ_VSI_PROP_SW_VALID); 3759cd1f56f4SBrett Creeley 3760cd1f56f4SBrett Creeley /* disable VLAN anti-spoof */ 3761cd1f56f4SBrett Creeley ctxt->info.sec_flags &= ~(ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << 3762cd1f56f4SBrett Creeley ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S); 3763cd1f56f4SBrett Creeley 3764cd1f56f4SBrett Creeley /* disable VLAN pruning and keep all other settings */ 3765cd1f56f4SBrett Creeley ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; 3766cd1f56f4SBrett Creeley 3767cd1f56f4SBrett Creeley /* allow all VLANs on Tx and don't strip on Rx */ 3768cd1f56f4SBrett Creeley ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL | 3769cd1f56f4SBrett Creeley ICE_AQ_VSI_VLAN_EMOD_NOTHING; 3770cd1f56f4SBrett Creeley 3771cd1f56f4SBrett Creeley status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 3772cd1f56f4SBrett Creeley if (status) { 3773cd1f56f4SBrett Creeley dev_err(ice_pf_to_dev(vsi->back), "Failed to update VSI for safe mode VLANs, err %s aq_err %s\n", 3774cd1f56f4SBrett Creeley ice_stat_str(status), 3775cd1f56f4SBrett Creeley ice_aq_str(hw->adminq.sq_last_status)); 3776cd1f56f4SBrett Creeley } else { 3777cd1f56f4SBrett Creeley vsi->info.sec_flags = ctxt->info.sec_flags; 3778cd1f56f4SBrett Creeley vsi->info.sw_flags2 = ctxt->info.sw_flags2; 3779cd1f56f4SBrett Creeley vsi->info.vlan_flags = ctxt->info.vlan_flags; 3780cd1f56f4SBrett Creeley } 3781cd1f56f4SBrett Creeley 3782cd1f56f4SBrett Creeley kfree(ctxt); 3783cd1f56f4SBrett Creeley } 3784cd1f56f4SBrett Creeley 3785cd1f56f4SBrett Creeley /** 3786462acf6aSTony Nguyen * ice_log_pkg_init - log result of DDP package load 3787462acf6aSTony Nguyen * @hw: pointer to hardware info 3788462acf6aSTony Nguyen * @status: status of package load 3789462acf6aSTony Nguyen */ 3790462acf6aSTony Nguyen static void 3791462acf6aSTony Nguyen ice_log_pkg_init(struct ice_hw *hw, enum ice_status *status) 3792462acf6aSTony Nguyen { 3793462acf6aSTony Nguyen struct ice_pf *pf = (struct ice_pf *)hw->back; 37944015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 3795462acf6aSTony Nguyen 3796462acf6aSTony Nguyen switch (*status) { 3797462acf6aSTony Nguyen case ICE_SUCCESS: 3798462acf6aSTony Nguyen /* The package download AdminQ command returned success because 3799462acf6aSTony Nguyen * this download succeeded or ICE_ERR_AQ_NO_WORK since there is 3800462acf6aSTony Nguyen * already a package loaded on the device. 3801462acf6aSTony Nguyen */ 3802462acf6aSTony Nguyen if (hw->pkg_ver.major == hw->active_pkg_ver.major && 3803462acf6aSTony Nguyen hw->pkg_ver.minor == hw->active_pkg_ver.minor && 3804462acf6aSTony Nguyen hw->pkg_ver.update == hw->active_pkg_ver.update && 3805462acf6aSTony Nguyen hw->pkg_ver.draft == hw->active_pkg_ver.draft && 3806462acf6aSTony Nguyen !memcmp(hw->pkg_name, hw->active_pkg_name, 3807462acf6aSTony Nguyen sizeof(hw->pkg_name))) { 3808462acf6aSTony Nguyen if (hw->pkg_dwnld_status == ICE_AQ_RC_EEXIST) 380919cce2c6SAnirudh Venkataramanan dev_info(dev, "DDP package already present on device: %s version %d.%d.%d.%d\n", 3810462acf6aSTony Nguyen hw->active_pkg_name, 3811462acf6aSTony Nguyen hw->active_pkg_ver.major, 3812462acf6aSTony Nguyen hw->active_pkg_ver.minor, 3813462acf6aSTony Nguyen hw->active_pkg_ver.update, 3814462acf6aSTony Nguyen hw->active_pkg_ver.draft); 3815462acf6aSTony Nguyen else 381619cce2c6SAnirudh Venkataramanan dev_info(dev, "The DDP package was successfully loaded: %s version %d.%d.%d.%d\n", 3817462acf6aSTony Nguyen hw->active_pkg_name, 3818462acf6aSTony Nguyen hw->active_pkg_ver.major, 3819462acf6aSTony Nguyen hw->active_pkg_ver.minor, 3820462acf6aSTony Nguyen hw->active_pkg_ver.update, 3821462acf6aSTony Nguyen hw->active_pkg_ver.draft); 3822462acf6aSTony Nguyen } else if (hw->active_pkg_ver.major != ICE_PKG_SUPP_VER_MAJ || 3823462acf6aSTony Nguyen hw->active_pkg_ver.minor != ICE_PKG_SUPP_VER_MNR) { 382419cce2c6SAnirudh 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", 3825462acf6aSTony Nguyen hw->active_pkg_name, 3826462acf6aSTony Nguyen hw->active_pkg_ver.major, 3827462acf6aSTony Nguyen hw->active_pkg_ver.minor, 3828462acf6aSTony Nguyen ICE_PKG_SUPP_VER_MAJ, ICE_PKG_SUPP_VER_MNR); 3829462acf6aSTony Nguyen *status = ICE_ERR_NOT_SUPPORTED; 3830462acf6aSTony Nguyen } else if (hw->active_pkg_ver.major == ICE_PKG_SUPP_VER_MAJ && 3831462acf6aSTony Nguyen hw->active_pkg_ver.minor == ICE_PKG_SUPP_VER_MNR) { 383219cce2c6SAnirudh 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", 3833462acf6aSTony Nguyen hw->active_pkg_name, 3834462acf6aSTony Nguyen hw->active_pkg_ver.major, 3835462acf6aSTony Nguyen hw->active_pkg_ver.minor, 3836462acf6aSTony Nguyen hw->active_pkg_ver.update, 3837462acf6aSTony Nguyen hw->active_pkg_ver.draft, 3838462acf6aSTony Nguyen hw->pkg_name, 3839462acf6aSTony Nguyen hw->pkg_ver.major, 3840462acf6aSTony Nguyen hw->pkg_ver.minor, 3841462acf6aSTony Nguyen hw->pkg_ver.update, 3842462acf6aSTony Nguyen hw->pkg_ver.draft); 3843462acf6aSTony Nguyen } else { 384419cce2c6SAnirudh 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"); 3845462acf6aSTony Nguyen *status = ICE_ERR_NOT_SUPPORTED; 3846462acf6aSTony Nguyen } 3847462acf6aSTony Nguyen break; 3848b8272919SVictor Raj case ICE_ERR_FW_DDP_MISMATCH: 3849b8272919SVictor 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"); 3850b8272919SVictor Raj break; 3851462acf6aSTony Nguyen case ICE_ERR_BUF_TOO_SHORT: 3852462acf6aSTony Nguyen case ICE_ERR_CFG: 385319cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file is invalid. Entering Safe Mode.\n"); 3854462acf6aSTony Nguyen break; 3855462acf6aSTony Nguyen case ICE_ERR_NOT_SUPPORTED: 3856462acf6aSTony Nguyen /* Package File version not supported */ 3857462acf6aSTony Nguyen if (hw->pkg_ver.major > ICE_PKG_SUPP_VER_MAJ || 3858462acf6aSTony Nguyen (hw->pkg_ver.major == ICE_PKG_SUPP_VER_MAJ && 3859462acf6aSTony Nguyen hw->pkg_ver.minor > ICE_PKG_SUPP_VER_MNR)) 386019cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file version is higher than the driver supports. Please use an updated driver. Entering Safe Mode.\n"); 3861462acf6aSTony Nguyen else if (hw->pkg_ver.major < ICE_PKG_SUPP_VER_MAJ || 3862462acf6aSTony Nguyen (hw->pkg_ver.major == ICE_PKG_SUPP_VER_MAJ && 3863462acf6aSTony Nguyen hw->pkg_ver.minor < ICE_PKG_SUPP_VER_MNR)) 386419cce2c6SAnirudh 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", 3865462acf6aSTony Nguyen ICE_PKG_SUPP_VER_MAJ, ICE_PKG_SUPP_VER_MNR); 3866462acf6aSTony Nguyen break; 3867462acf6aSTony Nguyen case ICE_ERR_AQ_ERROR: 3868e000248eSBruce Allan switch (hw->pkg_dwnld_status) { 3869462acf6aSTony Nguyen case ICE_AQ_RC_ENOSEC: 3870462acf6aSTony Nguyen case ICE_AQ_RC_EBADSIG: 387119cce2c6SAnirudh 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"); 3872462acf6aSTony Nguyen return; 3873462acf6aSTony Nguyen case ICE_AQ_RC_ESVN: 387419cce2c6SAnirudh 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"); 3875462acf6aSTony Nguyen return; 3876462acf6aSTony Nguyen case ICE_AQ_RC_EBADMAN: 3877462acf6aSTony Nguyen case ICE_AQ_RC_EBADBUF: 387819cce2c6SAnirudh Venkataramanan dev_err(dev, "An error occurred on the device while loading the DDP package. The device will be reset.\n"); 38799918f2d2SAnirudh Venkataramanan /* poll for reset to complete */ 38809918f2d2SAnirudh Venkataramanan if (ice_check_reset(hw)) 38819918f2d2SAnirudh Venkataramanan dev_err(dev, "Error resetting device. Please reload the driver\n"); 3882462acf6aSTony Nguyen return; 3883462acf6aSTony Nguyen default: 3884462acf6aSTony Nguyen break; 3885462acf6aSTony Nguyen } 38864e83fc93SBruce Allan fallthrough; 3887462acf6aSTony Nguyen default: 388819cce2c6SAnirudh Venkataramanan dev_err(dev, "An unknown error (%d) occurred when loading the DDP package. Entering Safe Mode.\n", 3889462acf6aSTony Nguyen *status); 3890462acf6aSTony Nguyen break; 3891462acf6aSTony Nguyen } 3892462acf6aSTony Nguyen } 3893462acf6aSTony Nguyen 3894462acf6aSTony Nguyen /** 3895462acf6aSTony Nguyen * ice_load_pkg - load/reload the DDP Package file 3896462acf6aSTony Nguyen * @firmware: firmware structure when firmware requested or NULL for reload 3897462acf6aSTony Nguyen * @pf: pointer to the PF instance 3898462acf6aSTony Nguyen * 3899462acf6aSTony Nguyen * Called on probe and post CORER/GLOBR rebuild to load DDP Package and 3900462acf6aSTony Nguyen * initialize HW tables. 3901462acf6aSTony Nguyen */ 3902462acf6aSTony Nguyen static void 3903462acf6aSTony Nguyen ice_load_pkg(const struct firmware *firmware, struct ice_pf *pf) 3904462acf6aSTony Nguyen { 3905462acf6aSTony Nguyen enum ice_status status = ICE_ERR_PARAM; 39064015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 3907462acf6aSTony Nguyen struct ice_hw *hw = &pf->hw; 3908462acf6aSTony Nguyen 3909462acf6aSTony Nguyen /* Load DDP Package */ 3910462acf6aSTony Nguyen if (firmware && !hw->pkg_copy) { 3911462acf6aSTony Nguyen status = ice_copy_and_init_pkg(hw, firmware->data, 3912462acf6aSTony Nguyen firmware->size); 3913462acf6aSTony Nguyen ice_log_pkg_init(hw, &status); 3914462acf6aSTony Nguyen } else if (!firmware && hw->pkg_copy) { 3915462acf6aSTony Nguyen /* Reload package during rebuild after CORER/GLOBR reset */ 3916462acf6aSTony Nguyen status = ice_init_pkg(hw, hw->pkg_copy, hw->pkg_size); 3917462acf6aSTony Nguyen ice_log_pkg_init(hw, &status); 3918462acf6aSTony Nguyen } else { 391919cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file failed to load. Entering Safe Mode.\n"); 3920462acf6aSTony Nguyen } 3921462acf6aSTony Nguyen 3922462acf6aSTony Nguyen if (status) { 3923462acf6aSTony Nguyen /* Safe Mode */ 3924462acf6aSTony Nguyen clear_bit(ICE_FLAG_ADV_FEATURES, pf->flags); 3925462acf6aSTony Nguyen return; 3926462acf6aSTony Nguyen } 3927462acf6aSTony Nguyen 3928462acf6aSTony Nguyen /* Successful download package is the precondition for advanced 3929462acf6aSTony Nguyen * features, hence setting the ICE_FLAG_ADV_FEATURES flag 3930462acf6aSTony Nguyen */ 3931462acf6aSTony Nguyen set_bit(ICE_FLAG_ADV_FEATURES, pf->flags); 3932462acf6aSTony Nguyen } 3933462acf6aSTony Nguyen 3934462acf6aSTony Nguyen /** 3935c585ea42SBrett Creeley * ice_verify_cacheline_size - verify driver's assumption of 64 Byte cache lines 3936c585ea42SBrett Creeley * @pf: pointer to the PF structure 3937c585ea42SBrett Creeley * 3938c585ea42SBrett Creeley * There is no error returned here because the driver should be able to handle 3939c585ea42SBrett Creeley * 128 Byte cache lines, so we only print a warning in case issues are seen, 3940c585ea42SBrett Creeley * specifically with Tx. 3941c585ea42SBrett Creeley */ 3942c585ea42SBrett Creeley static void ice_verify_cacheline_size(struct ice_pf *pf) 3943c585ea42SBrett Creeley { 3944c585ea42SBrett Creeley if (rd32(&pf->hw, GLPCI_CNF2) & GLPCI_CNF2_CACHELINE_SIZE_M) 394519cce2c6SAnirudh Venkataramanan dev_warn(ice_pf_to_dev(pf), "%d Byte cache line assumption is invalid, driver may have Tx timeouts!\n", 3946c585ea42SBrett Creeley ICE_CACHE_LINE_BYTES); 3947c585ea42SBrett Creeley } 3948c585ea42SBrett Creeley 3949c585ea42SBrett Creeley /** 3950e3710a01SPaul M Stillwell Jr * ice_send_version - update firmware with driver version 3951e3710a01SPaul M Stillwell Jr * @pf: PF struct 3952e3710a01SPaul M Stillwell Jr * 3953e3710a01SPaul M Stillwell Jr * Returns ICE_SUCCESS on success, else error code 3954e3710a01SPaul M Stillwell Jr */ 3955e3710a01SPaul M Stillwell Jr static enum ice_status ice_send_version(struct ice_pf *pf) 3956e3710a01SPaul M Stillwell Jr { 3957e3710a01SPaul M Stillwell Jr struct ice_driver_ver dv; 3958e3710a01SPaul M Stillwell Jr 395934a2a3b8SJeff Kirsher dv.major_ver = 0xff; 396034a2a3b8SJeff Kirsher dv.minor_ver = 0xff; 396134a2a3b8SJeff Kirsher dv.build_ver = 0xff; 3962e3710a01SPaul M Stillwell Jr dv.subbuild_ver = 0; 396334a2a3b8SJeff Kirsher strscpy((char *)dv.driver_string, UTS_RELEASE, 3964e3710a01SPaul M Stillwell Jr sizeof(dv.driver_string)); 3965e3710a01SPaul M Stillwell Jr return ice_aq_send_driver_ver(&pf->hw, &dv, NULL); 3966e3710a01SPaul M Stillwell Jr } 3967e3710a01SPaul M Stillwell Jr 3968e3710a01SPaul M Stillwell Jr /** 3969148beb61SHenry Tieman * ice_init_fdir - Initialize flow director VSI and configuration 3970148beb61SHenry Tieman * @pf: pointer to the PF instance 3971148beb61SHenry Tieman * 3972148beb61SHenry Tieman * returns 0 on success, negative on error 3973148beb61SHenry Tieman */ 3974148beb61SHenry Tieman static int ice_init_fdir(struct ice_pf *pf) 3975148beb61SHenry Tieman { 3976148beb61SHenry Tieman struct device *dev = ice_pf_to_dev(pf); 3977148beb61SHenry Tieman struct ice_vsi *ctrl_vsi; 3978148beb61SHenry Tieman int err; 3979148beb61SHenry Tieman 3980148beb61SHenry Tieman /* Side Band Flow Director needs to have a control VSI. 3981148beb61SHenry Tieman * Allocate it and store it in the PF. 3982148beb61SHenry Tieman */ 3983148beb61SHenry Tieman ctrl_vsi = ice_ctrl_vsi_setup(pf, pf->hw.port_info); 3984148beb61SHenry Tieman if (!ctrl_vsi) { 3985148beb61SHenry Tieman dev_dbg(dev, "could not create control VSI\n"); 3986148beb61SHenry Tieman return -ENOMEM; 3987148beb61SHenry Tieman } 3988148beb61SHenry Tieman 3989148beb61SHenry Tieman err = ice_vsi_open_ctrl(ctrl_vsi); 3990148beb61SHenry Tieman if (err) { 3991148beb61SHenry Tieman dev_dbg(dev, "could not open control VSI\n"); 3992148beb61SHenry Tieman goto err_vsi_open; 3993148beb61SHenry Tieman } 3994148beb61SHenry Tieman 3995148beb61SHenry Tieman mutex_init(&pf->hw.fdir_fltr_lock); 3996148beb61SHenry Tieman 3997148beb61SHenry Tieman err = ice_fdir_create_dflt_rules(pf); 3998148beb61SHenry Tieman if (err) 3999148beb61SHenry Tieman goto err_fdir_rule; 4000148beb61SHenry Tieman 4001148beb61SHenry Tieman return 0; 4002148beb61SHenry Tieman 4003148beb61SHenry Tieman err_fdir_rule: 4004148beb61SHenry Tieman ice_fdir_release_flows(&pf->hw); 4005148beb61SHenry Tieman ice_vsi_close(ctrl_vsi); 4006148beb61SHenry Tieman err_vsi_open: 4007148beb61SHenry Tieman ice_vsi_release(ctrl_vsi); 4008148beb61SHenry Tieman if (pf->ctrl_vsi_idx != ICE_NO_VSI) { 4009148beb61SHenry Tieman pf->vsi[pf->ctrl_vsi_idx] = NULL; 4010148beb61SHenry Tieman pf->ctrl_vsi_idx = ICE_NO_VSI; 4011148beb61SHenry Tieman } 4012148beb61SHenry Tieman return err; 4013148beb61SHenry Tieman } 4014148beb61SHenry Tieman 4015148beb61SHenry Tieman /** 4016462acf6aSTony Nguyen * ice_get_opt_fw_name - return optional firmware file name or NULL 4017462acf6aSTony Nguyen * @pf: pointer to the PF instance 4018462acf6aSTony Nguyen */ 4019462acf6aSTony Nguyen static char *ice_get_opt_fw_name(struct ice_pf *pf) 4020462acf6aSTony Nguyen { 4021462acf6aSTony Nguyen /* Optional firmware name same as default with additional dash 4022462acf6aSTony Nguyen * followed by a EUI-64 identifier (PCIe Device Serial Number) 4023462acf6aSTony Nguyen */ 4024462acf6aSTony Nguyen struct pci_dev *pdev = pf->pdev; 4025ceb2f007SJacob Keller char *opt_fw_filename; 4026ceb2f007SJacob Keller u64 dsn; 4027462acf6aSTony Nguyen 4028462acf6aSTony Nguyen /* Determine the name of the optional file using the DSN (two 4029462acf6aSTony Nguyen * dwords following the start of the DSN Capability). 4030462acf6aSTony Nguyen */ 4031ceb2f007SJacob Keller dsn = pci_get_dsn(pdev); 4032ceb2f007SJacob Keller if (!dsn) 4033ceb2f007SJacob Keller return NULL; 4034ceb2f007SJacob Keller 4035462acf6aSTony Nguyen opt_fw_filename = kzalloc(NAME_MAX, GFP_KERNEL); 4036462acf6aSTony Nguyen if (!opt_fw_filename) 4037462acf6aSTony Nguyen return NULL; 4038462acf6aSTony Nguyen 40391a9c561aSPaul M Stillwell Jr snprintf(opt_fw_filename, NAME_MAX, "%sice-%016llx.pkg", 4040ceb2f007SJacob Keller ICE_DDP_PKG_PATH, dsn); 4041462acf6aSTony Nguyen 4042462acf6aSTony Nguyen return opt_fw_filename; 4043462acf6aSTony Nguyen } 4044462acf6aSTony Nguyen 4045462acf6aSTony Nguyen /** 4046462acf6aSTony Nguyen * ice_request_fw - Device initialization routine 4047462acf6aSTony Nguyen * @pf: pointer to the PF instance 4048462acf6aSTony Nguyen */ 4049462acf6aSTony Nguyen static void ice_request_fw(struct ice_pf *pf) 4050462acf6aSTony Nguyen { 4051462acf6aSTony Nguyen char *opt_fw_filename = ice_get_opt_fw_name(pf); 4052462acf6aSTony Nguyen const struct firmware *firmware = NULL; 40534015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 4054462acf6aSTony Nguyen int err = 0; 4055462acf6aSTony Nguyen 4056462acf6aSTony Nguyen /* optional device-specific DDP (if present) overrides the default DDP 4057462acf6aSTony Nguyen * package file. kernel logs a debug message if the file doesn't exist, 4058462acf6aSTony Nguyen * and warning messages for other errors. 4059462acf6aSTony Nguyen */ 4060462acf6aSTony Nguyen if (opt_fw_filename) { 4061462acf6aSTony Nguyen err = firmware_request_nowarn(&firmware, opt_fw_filename, dev); 4062462acf6aSTony Nguyen if (err) { 4063462acf6aSTony Nguyen kfree(opt_fw_filename); 4064462acf6aSTony Nguyen goto dflt_pkg_load; 4065462acf6aSTony Nguyen } 4066462acf6aSTony Nguyen 4067462acf6aSTony Nguyen /* request for firmware was successful. Download to device */ 4068462acf6aSTony Nguyen ice_load_pkg(firmware, pf); 4069462acf6aSTony Nguyen kfree(opt_fw_filename); 4070462acf6aSTony Nguyen release_firmware(firmware); 4071462acf6aSTony Nguyen return; 4072462acf6aSTony Nguyen } 4073462acf6aSTony Nguyen 4074462acf6aSTony Nguyen dflt_pkg_load: 4075462acf6aSTony Nguyen err = request_firmware(&firmware, ICE_DDP_PKG_FILE, dev); 4076462acf6aSTony Nguyen if (err) { 407719cce2c6SAnirudh Venkataramanan dev_err(dev, "The DDP package file was not found or could not be read. Entering Safe Mode\n"); 4078462acf6aSTony Nguyen return; 4079462acf6aSTony Nguyen } 4080462acf6aSTony Nguyen 4081462acf6aSTony Nguyen /* request for firmware was successful. Download to device */ 4082462acf6aSTony Nguyen ice_load_pkg(firmware, pf); 4083462acf6aSTony Nguyen release_firmware(firmware); 4084462acf6aSTony Nguyen } 4085462acf6aSTony Nguyen 4086462acf6aSTony Nguyen /** 4087769c500dSAkeem G Abodunrin * ice_print_wake_reason - show the wake up cause in the log 4088769c500dSAkeem G Abodunrin * @pf: pointer to the PF struct 4089769c500dSAkeem G Abodunrin */ 4090769c500dSAkeem G Abodunrin static void ice_print_wake_reason(struct ice_pf *pf) 4091769c500dSAkeem G Abodunrin { 4092769c500dSAkeem G Abodunrin u32 wus = pf->wakeup_reason; 4093769c500dSAkeem G Abodunrin const char *wake_str; 4094769c500dSAkeem G Abodunrin 4095769c500dSAkeem G Abodunrin /* if no wake event, nothing to print */ 4096769c500dSAkeem G Abodunrin if (!wus) 4097769c500dSAkeem G Abodunrin return; 4098769c500dSAkeem G Abodunrin 4099769c500dSAkeem G Abodunrin if (wus & PFPM_WUS_LNKC_M) 4100769c500dSAkeem G Abodunrin wake_str = "Link\n"; 4101769c500dSAkeem G Abodunrin else if (wus & PFPM_WUS_MAG_M) 4102769c500dSAkeem G Abodunrin wake_str = "Magic Packet\n"; 4103769c500dSAkeem G Abodunrin else if (wus & PFPM_WUS_MNG_M) 4104769c500dSAkeem G Abodunrin wake_str = "Management\n"; 4105769c500dSAkeem G Abodunrin else if (wus & PFPM_WUS_FW_RST_WK_M) 4106769c500dSAkeem G Abodunrin wake_str = "Firmware Reset\n"; 4107769c500dSAkeem G Abodunrin else 4108769c500dSAkeem G Abodunrin wake_str = "Unknown\n"; 4109769c500dSAkeem G Abodunrin 4110769c500dSAkeem G Abodunrin dev_info(ice_pf_to_dev(pf), "Wake reason: %s", wake_str); 4111769c500dSAkeem G Abodunrin } 4112769c500dSAkeem G Abodunrin 4113769c500dSAkeem G Abodunrin /** 41141e23f076SAnirudh Venkataramanan * ice_register_netdev - register netdev and devlink port 41151e23f076SAnirudh Venkataramanan * @pf: pointer to the PF struct 41161e23f076SAnirudh Venkataramanan */ 41171e23f076SAnirudh Venkataramanan static int ice_register_netdev(struct ice_pf *pf) 41181e23f076SAnirudh Venkataramanan { 41191e23f076SAnirudh Venkataramanan struct ice_vsi *vsi; 41201e23f076SAnirudh Venkataramanan int err = 0; 41211e23f076SAnirudh Venkataramanan 41221e23f076SAnirudh Venkataramanan vsi = ice_get_main_vsi(pf); 41231e23f076SAnirudh Venkataramanan if (!vsi || !vsi->netdev) 41241e23f076SAnirudh Venkataramanan return -EIO; 41251e23f076SAnirudh Venkataramanan 41261e23f076SAnirudh Venkataramanan err = register_netdev(vsi->netdev); 41271e23f076SAnirudh Venkataramanan if (err) 41281e23f076SAnirudh Venkataramanan goto err_register_netdev; 41291e23f076SAnirudh Venkataramanan 4130a476d72aSAnirudh Venkataramanan set_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state); 41311e23f076SAnirudh Venkataramanan netif_carrier_off(vsi->netdev); 41321e23f076SAnirudh Venkataramanan netif_tx_stop_all_queues(vsi->netdev); 41331e23f076SAnirudh Venkataramanan err = ice_devlink_create_port(vsi); 41341e23f076SAnirudh Venkataramanan if (err) 41351e23f076SAnirudh Venkataramanan goto err_devlink_create; 41361e23f076SAnirudh Venkataramanan 41371e23f076SAnirudh Venkataramanan devlink_port_type_eth_set(&vsi->devlink_port, vsi->netdev); 41381e23f076SAnirudh Venkataramanan 41391e23f076SAnirudh Venkataramanan return 0; 41401e23f076SAnirudh Venkataramanan err_devlink_create: 41411e23f076SAnirudh Venkataramanan unregister_netdev(vsi->netdev); 4142a476d72aSAnirudh Venkataramanan clear_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state); 41431e23f076SAnirudh Venkataramanan err_register_netdev: 41441e23f076SAnirudh Venkataramanan free_netdev(vsi->netdev); 41451e23f076SAnirudh Venkataramanan vsi->netdev = NULL; 4146a476d72aSAnirudh Venkataramanan clear_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state); 41471e23f076SAnirudh Venkataramanan return err; 41481e23f076SAnirudh Venkataramanan } 41491e23f076SAnirudh Venkataramanan 41501e23f076SAnirudh Venkataramanan /** 4151837f08fdSAnirudh Venkataramanan * ice_probe - Device initialization routine 4152837f08fdSAnirudh Venkataramanan * @pdev: PCI device information struct 4153837f08fdSAnirudh Venkataramanan * @ent: entry in ice_pci_tbl 4154837f08fdSAnirudh Venkataramanan * 4155837f08fdSAnirudh Venkataramanan * Returns 0 on success, negative on failure 4156837f08fdSAnirudh Venkataramanan */ 4157c8b7abddSBruce Allan static int 4158c8b7abddSBruce Allan ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent) 4159837f08fdSAnirudh Venkataramanan { 416077ed84f4SBruce Allan struct device *dev = &pdev->dev; 4161837f08fdSAnirudh Venkataramanan struct ice_pf *pf; 4162837f08fdSAnirudh Venkataramanan struct ice_hw *hw; 4163b20e6c17SJakub Kicinski int i, err; 4164837f08fdSAnirudh Venkataramanan 41654ee656bbSTony Nguyen /* this driver uses devres, see 41664ee656bbSTony Nguyen * Documentation/driver-api/driver-model/devres.rst 41674ee656bbSTony Nguyen */ 4168837f08fdSAnirudh Venkataramanan err = pcim_enable_device(pdev); 4169837f08fdSAnirudh Venkataramanan if (err) 4170837f08fdSAnirudh Venkataramanan return err; 4171837f08fdSAnirudh Venkataramanan 417280ad6ddeSJesse Brandeburg err = pcim_iomap_regions(pdev, BIT(ICE_BAR0), dev_driver_string(dev)); 4173837f08fdSAnirudh Venkataramanan if (err) { 417477ed84f4SBruce Allan dev_err(dev, "BAR0 I/O map error %d\n", err); 4175837f08fdSAnirudh Venkataramanan return err; 4176837f08fdSAnirudh Venkataramanan } 4177837f08fdSAnirudh Venkataramanan 41781adf7eadSJacob Keller pf = ice_allocate_pf(dev); 4179837f08fdSAnirudh Venkataramanan if (!pf) 4180837f08fdSAnirudh Venkataramanan return -ENOMEM; 4181837f08fdSAnirudh Venkataramanan 41822f2da36eSAnirudh Venkataramanan /* set up for high or low DMA */ 418377ed84f4SBruce Allan err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); 4184837f08fdSAnirudh Venkataramanan if (err) 418577ed84f4SBruce Allan err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); 4186837f08fdSAnirudh Venkataramanan if (err) { 418777ed84f4SBruce Allan dev_err(dev, "DMA configuration failed: 0x%x\n", err); 4188837f08fdSAnirudh Venkataramanan return err; 4189837f08fdSAnirudh Venkataramanan } 4190837f08fdSAnirudh Venkataramanan 4191837f08fdSAnirudh Venkataramanan pci_enable_pcie_error_reporting(pdev); 4192837f08fdSAnirudh Venkataramanan pci_set_master(pdev); 4193837f08fdSAnirudh Venkataramanan 4194837f08fdSAnirudh Venkataramanan pf->pdev = pdev; 4195837f08fdSAnirudh Venkataramanan pci_set_drvdata(pdev, pf); 41967e408e07SAnirudh Venkataramanan set_bit(ICE_DOWN, pf->state); 41978d81fa55SAkeem G Abodunrin /* Disable service task until DOWN bit is cleared */ 41987e408e07SAnirudh Venkataramanan set_bit(ICE_SERVICE_DIS, pf->state); 4199837f08fdSAnirudh Venkataramanan 4200837f08fdSAnirudh Venkataramanan hw = &pf->hw; 4201837f08fdSAnirudh Venkataramanan hw->hw_addr = pcim_iomap_table(pdev)[ICE_BAR0]; 42024e56802eSMichal Swiatkowski pci_save_state(pdev); 42034e56802eSMichal Swiatkowski 4204837f08fdSAnirudh Venkataramanan hw->back = pf; 4205837f08fdSAnirudh Venkataramanan hw->vendor_id = pdev->vendor; 4206837f08fdSAnirudh Venkataramanan hw->device_id = pdev->device; 4207837f08fdSAnirudh Venkataramanan pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id); 4208837f08fdSAnirudh Venkataramanan hw->subsystem_vendor_id = pdev->subsystem_vendor; 4209837f08fdSAnirudh Venkataramanan hw->subsystem_device_id = pdev->subsystem_device; 4210837f08fdSAnirudh Venkataramanan hw->bus.device = PCI_SLOT(pdev->devfn); 4211837f08fdSAnirudh Venkataramanan hw->bus.func = PCI_FUNC(pdev->devfn); 4212f31e4b6fSAnirudh Venkataramanan ice_set_ctrlq_len(hw); 4213f31e4b6fSAnirudh Venkataramanan 4214837f08fdSAnirudh Venkataramanan pf->msg_enable = netif_msg_init(debug, ICE_DFLT_NETIF_M); 4215837f08fdSAnirudh Venkataramanan 42161adf7eadSJacob Keller err = ice_devlink_register(pf); 42171adf7eadSJacob Keller if (err) { 42181adf7eadSJacob Keller dev_err(dev, "ice_devlink_register failed: %d\n", err); 42191adf7eadSJacob Keller goto err_exit_unroll; 42201adf7eadSJacob Keller } 42211adf7eadSJacob Keller 42227ec59eeaSAnirudh Venkataramanan #ifndef CONFIG_DYNAMIC_DEBUG 42237ec59eeaSAnirudh Venkataramanan if (debug < -1) 42247ec59eeaSAnirudh Venkataramanan hw->debug_mask = debug; 42257ec59eeaSAnirudh Venkataramanan #endif 42267ec59eeaSAnirudh Venkataramanan 4227f31e4b6fSAnirudh Venkataramanan err = ice_init_hw(hw); 4228f31e4b6fSAnirudh Venkataramanan if (err) { 422977ed84f4SBruce Allan dev_err(dev, "ice_init_hw failed: %d\n", err); 4230f31e4b6fSAnirudh Venkataramanan err = -EIO; 4231f31e4b6fSAnirudh Venkataramanan goto err_exit_unroll; 4232f31e4b6fSAnirudh Venkataramanan } 4233f31e4b6fSAnirudh Venkataramanan 4234462acf6aSTony Nguyen ice_request_fw(pf); 4235462acf6aSTony Nguyen 4236462acf6aSTony Nguyen /* if ice_request_fw fails, ICE_FLAG_ADV_FEATURES bit won't be 4237462acf6aSTony Nguyen * set in pf->state, which will cause ice_is_safe_mode to return 4238462acf6aSTony Nguyen * true 4239462acf6aSTony Nguyen */ 4240462acf6aSTony Nguyen if (ice_is_safe_mode(pf)) { 424119cce2c6SAnirudh Venkataramanan dev_err(dev, "Package download failed. Advanced features disabled - Device now in Safe Mode\n"); 4242462acf6aSTony Nguyen /* we already got function/device capabilities but these don't 4243462acf6aSTony Nguyen * reflect what the driver needs to do in safe mode. Instead of 4244462acf6aSTony Nguyen * adding conditional logic everywhere to ignore these 4245462acf6aSTony Nguyen * device/function capabilities, override them. 4246462acf6aSTony Nguyen */ 4247462acf6aSTony Nguyen ice_set_safe_mode_caps(hw); 4248462acf6aSTony Nguyen } 4249462acf6aSTony Nguyen 425078b5713aSAnirudh Venkataramanan err = ice_init_pf(pf); 425178b5713aSAnirudh Venkataramanan if (err) { 425278b5713aSAnirudh Venkataramanan dev_err(dev, "ice_init_pf failed: %d\n", err); 425378b5713aSAnirudh Venkataramanan goto err_init_pf_unroll; 425478b5713aSAnirudh Venkataramanan } 4255940b61afSAnirudh Venkataramanan 4256dce730f1SJacob Keller ice_devlink_init_regions(pf); 4257dce730f1SJacob Keller 4258b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.set_port = ice_udp_tunnel_set_port; 4259b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.unset_port = ice_udp_tunnel_unset_port; 4260b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP; 4261b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.shared = &pf->hw.udp_tunnel_shared; 4262b20e6c17SJakub Kicinski i = 0; 4263b20e6c17SJakub Kicinski if (pf->hw.tnl.valid_count[TNL_VXLAN]) { 4264b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.tables[i].n_entries = 4265b20e6c17SJakub Kicinski pf->hw.tnl.valid_count[TNL_VXLAN]; 4266b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.tables[i].tunnel_types = 4267b20e6c17SJakub Kicinski UDP_TUNNEL_TYPE_VXLAN; 4268b20e6c17SJakub Kicinski i++; 4269b20e6c17SJakub Kicinski } 4270b20e6c17SJakub Kicinski if (pf->hw.tnl.valid_count[TNL_GENEVE]) { 4271b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.tables[i].n_entries = 4272b20e6c17SJakub Kicinski pf->hw.tnl.valid_count[TNL_GENEVE]; 4273b20e6c17SJakub Kicinski pf->hw.udp_tunnel_nic.tables[i].tunnel_types = 4274b20e6c17SJakub Kicinski UDP_TUNNEL_TYPE_GENEVE; 4275b20e6c17SJakub Kicinski i++; 4276b20e6c17SJakub Kicinski } 4277b20e6c17SJakub Kicinski 4278995c90f2SAnirudh Venkataramanan pf->num_alloc_vsi = hw->func_caps.guar_num_vsi; 4279940b61afSAnirudh Venkataramanan if (!pf->num_alloc_vsi) { 4280940b61afSAnirudh Venkataramanan err = -EIO; 4281940b61afSAnirudh Venkataramanan goto err_init_pf_unroll; 4282940b61afSAnirudh Venkataramanan } 4283b20e6c17SJakub Kicinski if (pf->num_alloc_vsi > UDP_TUNNEL_NIC_MAX_SHARING_DEVICES) { 4284b20e6c17SJakub Kicinski dev_warn(&pf->pdev->dev, 4285b20e6c17SJakub Kicinski "limiting the VSI count due to UDP tunnel limitation %d > %d\n", 4286b20e6c17SJakub Kicinski pf->num_alloc_vsi, UDP_TUNNEL_NIC_MAX_SHARING_DEVICES); 4287b20e6c17SJakub Kicinski pf->num_alloc_vsi = UDP_TUNNEL_NIC_MAX_SHARING_DEVICES; 4288b20e6c17SJakub Kicinski } 4289940b61afSAnirudh Venkataramanan 429077ed84f4SBruce Allan pf->vsi = devm_kcalloc(dev, pf->num_alloc_vsi, sizeof(*pf->vsi), 429177ed84f4SBruce Allan GFP_KERNEL); 4292940b61afSAnirudh Venkataramanan if (!pf->vsi) { 4293940b61afSAnirudh Venkataramanan err = -ENOMEM; 4294940b61afSAnirudh Venkataramanan goto err_init_pf_unroll; 4295940b61afSAnirudh Venkataramanan } 4296940b61afSAnirudh Venkataramanan 4297940b61afSAnirudh Venkataramanan err = ice_init_interrupt_scheme(pf); 4298940b61afSAnirudh Venkataramanan if (err) { 429977ed84f4SBruce Allan dev_err(dev, "ice_init_interrupt_scheme failed: %d\n", err); 4300940b61afSAnirudh Venkataramanan err = -EIO; 4301bc3a0241SJacob Keller goto err_init_vsi_unroll; 4302940b61afSAnirudh Venkataramanan } 4303940b61afSAnirudh Venkataramanan 4304940b61afSAnirudh Venkataramanan /* In case of MSIX we are going to setup the misc vector right here 4305940b61afSAnirudh Venkataramanan * to handle admin queue events etc. In case of legacy and MSI 4306940b61afSAnirudh Venkataramanan * the misc functionality and queue processing is combined in 4307940b61afSAnirudh Venkataramanan * the same vector and that gets setup at open. 4308940b61afSAnirudh Venkataramanan */ 4309940b61afSAnirudh Venkataramanan err = ice_req_irq_msix_misc(pf); 4310940b61afSAnirudh Venkataramanan if (err) { 431177ed84f4SBruce Allan dev_err(dev, "setup of misc vector failed: %d\n", err); 4312940b61afSAnirudh Venkataramanan goto err_init_interrupt_unroll; 4313940b61afSAnirudh Venkataramanan } 4314940b61afSAnirudh Venkataramanan 4315940b61afSAnirudh Venkataramanan /* create switch struct for the switch element created by FW on boot */ 431677ed84f4SBruce Allan pf->first_sw = devm_kzalloc(dev, sizeof(*pf->first_sw), GFP_KERNEL); 4317940b61afSAnirudh Venkataramanan if (!pf->first_sw) { 4318940b61afSAnirudh Venkataramanan err = -ENOMEM; 4319940b61afSAnirudh Venkataramanan goto err_msix_misc_unroll; 4320940b61afSAnirudh Venkataramanan } 4321940b61afSAnirudh Venkataramanan 4322b1edc14aSMd Fahad Iqbal Polash if (hw->evb_veb) 4323940b61afSAnirudh Venkataramanan pf->first_sw->bridge_mode = BRIDGE_MODE_VEB; 4324b1edc14aSMd Fahad Iqbal Polash else 4325b1edc14aSMd Fahad Iqbal Polash pf->first_sw->bridge_mode = BRIDGE_MODE_VEPA; 4326b1edc14aSMd Fahad Iqbal Polash 4327940b61afSAnirudh Venkataramanan pf->first_sw->pf = pf; 4328940b61afSAnirudh Venkataramanan 4329940b61afSAnirudh Venkataramanan /* record the sw_id available for later use */ 4330940b61afSAnirudh Venkataramanan pf->first_sw->sw_id = hw->port_info->sw_id; 4331940b61afSAnirudh Venkataramanan 43323a858ba3SAnirudh Venkataramanan err = ice_setup_pf_sw(pf); 43333a858ba3SAnirudh Venkataramanan if (err) { 43342f2da36eSAnirudh Venkataramanan dev_err(dev, "probe failed due to setup PF switch: %d\n", err); 43353a858ba3SAnirudh Venkataramanan goto err_alloc_sw_unroll; 43363a858ba3SAnirudh Venkataramanan } 43379daf8208SAnirudh Venkataramanan 43387e408e07SAnirudh Venkataramanan clear_bit(ICE_SERVICE_DIS, pf->state); 43399daf8208SAnirudh Venkataramanan 4340e3710a01SPaul M Stillwell Jr /* tell the firmware we are up */ 4341e3710a01SPaul M Stillwell Jr err = ice_send_version(pf); 4342e3710a01SPaul M Stillwell Jr if (err) { 434319cce2c6SAnirudh Venkataramanan dev_err(dev, "probe failed sending driver version %s. error: %d\n", 434434a2a3b8SJeff Kirsher UTS_RELEASE, err); 434578116e97SMarcin Szycik goto err_send_version_unroll; 4346e3710a01SPaul M Stillwell Jr } 4347e3710a01SPaul M Stillwell Jr 43489daf8208SAnirudh Venkataramanan /* since everything is good, start the service timer */ 43499daf8208SAnirudh Venkataramanan mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period)); 43509daf8208SAnirudh Venkataramanan 4351250c3b3eSBrett Creeley err = ice_init_link_events(pf->hw.port_info); 4352250c3b3eSBrett Creeley if (err) { 4353250c3b3eSBrett Creeley dev_err(dev, "ice_init_link_events failed: %d\n", err); 435478116e97SMarcin Szycik goto err_send_version_unroll; 4355250c3b3eSBrett Creeley } 4356250c3b3eSBrett Creeley 435708771bceSAnirudh Venkataramanan /* not a fatal error if this fails */ 43581a3571b5SPaul Greenwalt err = ice_init_nvm_phy_type(pf->hw.port_info); 435908771bceSAnirudh Venkataramanan if (err) 43601a3571b5SPaul Greenwalt dev_err(dev, "ice_init_nvm_phy_type failed: %d\n", err); 43611a3571b5SPaul Greenwalt 436208771bceSAnirudh Venkataramanan /* not a fatal error if this fails */ 43631a3571b5SPaul Greenwalt err = ice_update_link_info(pf->hw.port_info); 436408771bceSAnirudh Venkataramanan if (err) 43651a3571b5SPaul Greenwalt dev_err(dev, "ice_update_link_info failed: %d\n", err); 43661a3571b5SPaul Greenwalt 4367ea78ce4dSPaul Greenwalt ice_init_link_dflt_override(pf->hw.port_info); 4368ea78ce4dSPaul Greenwalt 4369c77849f5SAnirudh Venkataramanan ice_check_module_power(pf, pf->hw.port_info->phy.link_info.link_cfg_err); 4370c77849f5SAnirudh Venkataramanan 43711a3571b5SPaul Greenwalt /* if media available, initialize PHY settings */ 43721a3571b5SPaul Greenwalt if (pf->hw.port_info->phy.link_info.link_info & 43731a3571b5SPaul Greenwalt ICE_AQ_MEDIA_AVAILABLE) { 437408771bceSAnirudh Venkataramanan /* not a fatal error if this fails */ 43751a3571b5SPaul Greenwalt err = ice_init_phy_user_cfg(pf->hw.port_info); 437608771bceSAnirudh Venkataramanan if (err) 43771a3571b5SPaul Greenwalt dev_err(dev, "ice_init_phy_user_cfg failed: %d\n", err); 43781a3571b5SPaul Greenwalt 43791a3571b5SPaul Greenwalt if (!test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags)) { 43801a3571b5SPaul Greenwalt struct ice_vsi *vsi = ice_get_main_vsi(pf); 43811a3571b5SPaul Greenwalt 43821a3571b5SPaul Greenwalt if (vsi) 43831a3571b5SPaul Greenwalt ice_configure_phy(vsi); 43841a3571b5SPaul Greenwalt } 43851a3571b5SPaul Greenwalt } else { 43861a3571b5SPaul Greenwalt set_bit(ICE_FLAG_NO_MEDIA, pf->flags); 43871a3571b5SPaul Greenwalt } 43881a3571b5SPaul Greenwalt 4389c585ea42SBrett Creeley ice_verify_cacheline_size(pf); 4390c585ea42SBrett Creeley 4391769c500dSAkeem G Abodunrin /* Save wakeup reason register for later use */ 4392769c500dSAkeem G Abodunrin pf->wakeup_reason = rd32(hw, PFPM_WUS); 4393769c500dSAkeem G Abodunrin 4394769c500dSAkeem G Abodunrin /* check for a power management event */ 4395769c500dSAkeem G Abodunrin ice_print_wake_reason(pf); 4396769c500dSAkeem G Abodunrin 4397769c500dSAkeem G Abodunrin /* clear wake status, all bits */ 4398769c500dSAkeem G Abodunrin wr32(hw, PFPM_WUS, U32_MAX); 4399769c500dSAkeem G Abodunrin 4400769c500dSAkeem G Abodunrin /* Disable WoL at init, wait for user to enable */ 4401769c500dSAkeem G Abodunrin device_set_wakeup_enable(dev, false); 4402769c500dSAkeem G Abodunrin 4403cd1f56f4SBrett Creeley if (ice_is_safe_mode(pf)) { 4404cd1f56f4SBrett Creeley ice_set_safe_mode_vlan_cfg(pf); 4405de75135bSAnirudh Venkataramanan goto probe_done; 4406cd1f56f4SBrett Creeley } 4407462acf6aSTony Nguyen 4408462acf6aSTony Nguyen /* initialize DDP driven features */ 440906c16d89SJacob Keller if (test_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags)) 441006c16d89SJacob Keller ice_ptp_init(pf); 4411462acf6aSTony Nguyen 4412148beb61SHenry Tieman /* Note: Flow director init failure is non-fatal to load */ 4413148beb61SHenry Tieman if (ice_init_fdir(pf)) 4414148beb61SHenry Tieman dev_err(dev, "could not initialize flow director\n"); 4415148beb61SHenry Tieman 4416462acf6aSTony Nguyen /* Note: DCB init failure is non-fatal to load */ 4417462acf6aSTony Nguyen if (ice_init_pf_dcb(pf, false)) { 4418462acf6aSTony Nguyen clear_bit(ICE_FLAG_DCB_CAPABLE, pf->flags); 4419462acf6aSTony Nguyen clear_bit(ICE_FLAG_DCB_ENA, pf->flags); 4420462acf6aSTony Nguyen } else { 4421462acf6aSTony Nguyen ice_cfg_lldp_mib_change(&pf->hw, true); 4422462acf6aSTony Nguyen } 4423462acf6aSTony Nguyen 4424df006dd4SDave Ertman if (ice_init_lag(pf)) 4425df006dd4SDave Ertman dev_warn(dev, "Failed to init link aggregation support\n"); 4426df006dd4SDave Ertman 4427e18ff118SPaul Greenwalt /* print PCI link speed and width */ 4428e18ff118SPaul Greenwalt pcie_print_link_status(pf->pdev); 4429e18ff118SPaul Greenwalt 4430de75135bSAnirudh Venkataramanan probe_done: 44311e23f076SAnirudh Venkataramanan err = ice_register_netdev(pf); 44321e23f076SAnirudh Venkataramanan if (err) 44331e23f076SAnirudh Venkataramanan goto err_netdev_reg; 44341e23f076SAnirudh Venkataramanan 4435de75135bSAnirudh Venkataramanan /* ready to go, so clear down state bit */ 44367e408e07SAnirudh Venkataramanan clear_bit(ICE_DOWN, pf->state); 4437d25a0fc4SDave Ertman if (ice_is_aux_ena(pf)) { 4438d25a0fc4SDave Ertman pf->aux_idx = ida_alloc(&ice_aux_ida, GFP_KERNEL); 4439d25a0fc4SDave Ertman if (pf->aux_idx < 0) { 4440d25a0fc4SDave Ertman dev_err(dev, "Failed to allocate device ID for AUX driver\n"); 4441d25a0fc4SDave Ertman err = -ENOMEM; 4442d25a0fc4SDave Ertman goto err_netdev_reg; 4443d25a0fc4SDave Ertman } 4444d25a0fc4SDave Ertman 4445d25a0fc4SDave Ertman err = ice_init_rdma(pf); 4446d25a0fc4SDave Ertman if (err) { 4447d25a0fc4SDave Ertman dev_err(dev, "Failed to initialize RDMA: %d\n", err); 4448d25a0fc4SDave Ertman err = -EIO; 4449d25a0fc4SDave Ertman goto err_init_aux_unroll; 4450d25a0fc4SDave Ertman } 4451d25a0fc4SDave Ertman } else { 4452d25a0fc4SDave Ertman dev_warn(dev, "RDMA is not supported on this device\n"); 4453d25a0fc4SDave Ertman } 4454d25a0fc4SDave Ertman 4455837f08fdSAnirudh Venkataramanan return 0; 4456f31e4b6fSAnirudh Venkataramanan 4457d25a0fc4SDave Ertman err_init_aux_unroll: 4458d25a0fc4SDave Ertman pf->adev = NULL; 4459d25a0fc4SDave Ertman ida_free(&ice_aux_ida, pf->aux_idx); 44601e23f076SAnirudh Venkataramanan err_netdev_reg: 446178116e97SMarcin Szycik err_send_version_unroll: 446278116e97SMarcin Szycik ice_vsi_release_all(pf); 44633a858ba3SAnirudh Venkataramanan err_alloc_sw_unroll: 44647e408e07SAnirudh Venkataramanan set_bit(ICE_SERVICE_DIS, pf->state); 44657e408e07SAnirudh Venkataramanan set_bit(ICE_DOWN, pf->state); 44664015d11eSBrett Creeley devm_kfree(dev, pf->first_sw); 4467940b61afSAnirudh Venkataramanan err_msix_misc_unroll: 4468940b61afSAnirudh Venkataramanan ice_free_irq_msix_misc(pf); 4469940b61afSAnirudh Venkataramanan err_init_interrupt_unroll: 4470940b61afSAnirudh Venkataramanan ice_clear_interrupt_scheme(pf); 4471bc3a0241SJacob Keller err_init_vsi_unroll: 447277ed84f4SBruce Allan devm_kfree(dev, pf->vsi); 4473940b61afSAnirudh Venkataramanan err_init_pf_unroll: 4474940b61afSAnirudh Venkataramanan ice_deinit_pf(pf); 4475dce730f1SJacob Keller ice_devlink_destroy_regions(pf); 4476940b61afSAnirudh Venkataramanan ice_deinit_hw(hw); 4477f31e4b6fSAnirudh Venkataramanan err_exit_unroll: 44781adf7eadSJacob Keller ice_devlink_unregister(pf); 4479f31e4b6fSAnirudh Venkataramanan pci_disable_pcie_error_reporting(pdev); 4480769c500dSAkeem G Abodunrin pci_disable_device(pdev); 4481f31e4b6fSAnirudh Venkataramanan return err; 4482837f08fdSAnirudh Venkataramanan } 4483837f08fdSAnirudh Venkataramanan 4484837f08fdSAnirudh Venkataramanan /** 4485769c500dSAkeem G Abodunrin * ice_set_wake - enable or disable Wake on LAN 4486769c500dSAkeem G Abodunrin * @pf: pointer to the PF struct 4487769c500dSAkeem G Abodunrin * 4488769c500dSAkeem G Abodunrin * Simple helper for WoL control 4489769c500dSAkeem G Abodunrin */ 4490769c500dSAkeem G Abodunrin static void ice_set_wake(struct ice_pf *pf) 4491769c500dSAkeem G Abodunrin { 4492769c500dSAkeem G Abodunrin struct ice_hw *hw = &pf->hw; 4493769c500dSAkeem G Abodunrin bool wol = pf->wol_ena; 4494769c500dSAkeem G Abodunrin 4495769c500dSAkeem G Abodunrin /* clear wake state, otherwise new wake events won't fire */ 4496769c500dSAkeem G Abodunrin wr32(hw, PFPM_WUS, U32_MAX); 4497769c500dSAkeem G Abodunrin 4498769c500dSAkeem G Abodunrin /* enable / disable APM wake up, no RMW needed */ 4499769c500dSAkeem G Abodunrin wr32(hw, PFPM_APM, wol ? PFPM_APM_APME_M : 0); 4500769c500dSAkeem G Abodunrin 4501769c500dSAkeem G Abodunrin /* set magic packet filter enabled */ 4502769c500dSAkeem G Abodunrin wr32(hw, PFPM_WUFC, wol ? PFPM_WUFC_MAG_M : 0); 4503769c500dSAkeem G Abodunrin } 4504769c500dSAkeem G Abodunrin 4505769c500dSAkeem G Abodunrin /** 4506ef860480STony Nguyen * ice_setup_mc_magic_wake - setup device to wake on multicast magic packet 4507769c500dSAkeem G Abodunrin * @pf: pointer to the PF struct 4508769c500dSAkeem G Abodunrin * 4509769c500dSAkeem G Abodunrin * Issue firmware command to enable multicast magic wake, making 4510769c500dSAkeem G Abodunrin * sure that any locally administered address (LAA) is used for 4511769c500dSAkeem G Abodunrin * wake, and that PF reset doesn't undo the LAA. 4512769c500dSAkeem G Abodunrin */ 4513769c500dSAkeem G Abodunrin static void ice_setup_mc_magic_wake(struct ice_pf *pf) 4514769c500dSAkeem G Abodunrin { 4515769c500dSAkeem G Abodunrin struct device *dev = ice_pf_to_dev(pf); 4516769c500dSAkeem G Abodunrin struct ice_hw *hw = &pf->hw; 4517769c500dSAkeem G Abodunrin enum ice_status status; 4518769c500dSAkeem G Abodunrin u8 mac_addr[ETH_ALEN]; 4519769c500dSAkeem G Abodunrin struct ice_vsi *vsi; 4520769c500dSAkeem G Abodunrin u8 flags; 4521769c500dSAkeem G Abodunrin 4522769c500dSAkeem G Abodunrin if (!pf->wol_ena) 4523769c500dSAkeem G Abodunrin return; 4524769c500dSAkeem G Abodunrin 4525769c500dSAkeem G Abodunrin vsi = ice_get_main_vsi(pf); 4526769c500dSAkeem G Abodunrin if (!vsi) 4527769c500dSAkeem G Abodunrin return; 4528769c500dSAkeem G Abodunrin 4529769c500dSAkeem G Abodunrin /* Get current MAC address in case it's an LAA */ 4530769c500dSAkeem G Abodunrin if (vsi->netdev) 4531769c500dSAkeem G Abodunrin ether_addr_copy(mac_addr, vsi->netdev->dev_addr); 4532769c500dSAkeem G Abodunrin else 4533769c500dSAkeem G Abodunrin ether_addr_copy(mac_addr, vsi->port_info->mac.perm_addr); 4534769c500dSAkeem G Abodunrin 4535769c500dSAkeem G Abodunrin flags = ICE_AQC_MAN_MAC_WR_MC_MAG_EN | 4536769c500dSAkeem G Abodunrin ICE_AQC_MAN_MAC_UPDATE_LAA_WOL | 4537769c500dSAkeem G Abodunrin ICE_AQC_MAN_MAC_WR_WOL_LAA_PFR_KEEP; 4538769c500dSAkeem G Abodunrin 4539769c500dSAkeem G Abodunrin status = ice_aq_manage_mac_write(hw, mac_addr, flags, NULL); 4540769c500dSAkeem G Abodunrin if (status) 4541769c500dSAkeem G Abodunrin dev_err(dev, "Failed to enable Multicast Magic Packet wake, err %s aq_err %s\n", 4542769c500dSAkeem G Abodunrin ice_stat_str(status), 4543769c500dSAkeem G Abodunrin ice_aq_str(hw->adminq.sq_last_status)); 4544769c500dSAkeem G Abodunrin } 4545769c500dSAkeem G Abodunrin 4546769c500dSAkeem G Abodunrin /** 4547837f08fdSAnirudh Venkataramanan * ice_remove - Device removal routine 4548837f08fdSAnirudh Venkataramanan * @pdev: PCI device information struct 4549837f08fdSAnirudh Venkataramanan */ 4550837f08fdSAnirudh Venkataramanan static void ice_remove(struct pci_dev *pdev) 4551837f08fdSAnirudh Venkataramanan { 4552837f08fdSAnirudh Venkataramanan struct ice_pf *pf = pci_get_drvdata(pdev); 455381b23589SDave Ertman int i; 4554837f08fdSAnirudh Venkataramanan 4555837f08fdSAnirudh Venkataramanan if (!pf) 4556837f08fdSAnirudh Venkataramanan return; 4557837f08fdSAnirudh Venkataramanan 4558afd9d4abSAnirudh Venkataramanan for (i = 0; i < ICE_MAX_RESET_WAIT; i++) { 4559afd9d4abSAnirudh Venkataramanan if (!ice_is_reset_in_progress(pf->state)) 4560afd9d4abSAnirudh Venkataramanan break; 4561afd9d4abSAnirudh Venkataramanan msleep(100); 4562afd9d4abSAnirudh Venkataramanan } 4563afd9d4abSAnirudh Venkataramanan 4564f844d521SBrett Creeley if (test_bit(ICE_FLAG_SRIOV_ENA, pf->flags)) { 45657e408e07SAnirudh Venkataramanan set_bit(ICE_VF_RESETS_DISABLED, pf->state); 4566f844d521SBrett Creeley ice_free_vfs(pf); 4567f844d521SBrett Creeley } 4568f844d521SBrett Creeley 45698d81fa55SAkeem G Abodunrin ice_service_task_stop(pf); 4570f31e4b6fSAnirudh Venkataramanan 4571d69ea414SJacob Keller ice_aq_cancel_waiting_tasks(pf); 4572f9f5301eSDave Ertman ice_unplug_aux_dev(pf); 4573d25a0fc4SDave Ertman ida_free(&ice_aux_ida, pf->aux_idx); 4574f9f5301eSDave Ertman set_bit(ICE_DOWN, pf->state); 4575d69ea414SJacob Keller 4576148beb61SHenry Tieman mutex_destroy(&(&pf->hw)->fdir_fltr_lock); 4577df006dd4SDave Ertman ice_deinit_lag(pf); 457806c16d89SJacob Keller if (test_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags)) 457906c16d89SJacob Keller ice_ptp_release(pf); 458028bf2672SBrett Creeley if (!ice_is_safe_mode(pf)) 458128bf2672SBrett Creeley ice_remove_arfs(pf); 4582769c500dSAkeem G Abodunrin ice_setup_mc_magic_wake(pf); 45830f9d5027SAnirudh Venkataramanan ice_vsi_release_all(pf); 4584769c500dSAkeem G Abodunrin ice_set_wake(pf); 4585940b61afSAnirudh Venkataramanan ice_free_irq_msix_misc(pf); 458681b23589SDave Ertman ice_for_each_vsi(pf, i) { 458781b23589SDave Ertman if (!pf->vsi[i]) 458881b23589SDave Ertman continue; 458981b23589SDave Ertman ice_vsi_free_q_vectors(pf->vsi[i]); 459081b23589SDave Ertman } 4591940b61afSAnirudh Venkataramanan ice_deinit_pf(pf); 4592dce730f1SJacob Keller ice_devlink_destroy_regions(pf); 4593f31e4b6fSAnirudh Venkataramanan ice_deinit_hw(&pf->hw); 45941adf7eadSJacob Keller ice_devlink_unregister(pf); 45951adf7eadSJacob Keller 459618057cb3SBruce Allan /* Issue a PFR as part of the prescribed driver unload flow. Do not 459718057cb3SBruce Allan * do it via ice_schedule_reset() since there is no need to rebuild 459818057cb3SBruce Allan * and the service task is already stopped. 459918057cb3SBruce Allan */ 460018057cb3SBruce Allan ice_reset(&pf->hw, ICE_RESET_PFR); 4601c6012ac1SBruce Allan pci_wait_for_pending_transaction(pdev); 4602c6012ac1SBruce Allan ice_clear_interrupt_scheme(pf); 4603837f08fdSAnirudh Venkataramanan pci_disable_pcie_error_reporting(pdev); 4604769c500dSAkeem G Abodunrin pci_disable_device(pdev); 4605837f08fdSAnirudh Venkataramanan } 4606837f08fdSAnirudh Venkataramanan 46075995b6d0SBrett Creeley /** 4608769c500dSAkeem G Abodunrin * ice_shutdown - PCI callback for shutting down device 4609769c500dSAkeem G Abodunrin * @pdev: PCI device information struct 4610769c500dSAkeem G Abodunrin */ 4611769c500dSAkeem G Abodunrin static void ice_shutdown(struct pci_dev *pdev) 4612769c500dSAkeem G Abodunrin { 4613769c500dSAkeem G Abodunrin struct ice_pf *pf = pci_get_drvdata(pdev); 4614769c500dSAkeem G Abodunrin 4615769c500dSAkeem G Abodunrin ice_remove(pdev); 4616769c500dSAkeem G Abodunrin 4617769c500dSAkeem G Abodunrin if (system_state == SYSTEM_POWER_OFF) { 4618769c500dSAkeem G Abodunrin pci_wake_from_d3(pdev, pf->wol_ena); 4619769c500dSAkeem G Abodunrin pci_set_power_state(pdev, PCI_D3hot); 4620769c500dSAkeem G Abodunrin } 4621769c500dSAkeem G Abodunrin } 4622769c500dSAkeem G Abodunrin 4623769c500dSAkeem G Abodunrin #ifdef CONFIG_PM 4624769c500dSAkeem G Abodunrin /** 4625769c500dSAkeem G Abodunrin * ice_prepare_for_shutdown - prep for PCI shutdown 4626769c500dSAkeem G Abodunrin * @pf: board private structure 4627769c500dSAkeem G Abodunrin * 4628769c500dSAkeem G Abodunrin * Inform or close all dependent features in prep for PCI device shutdown 4629769c500dSAkeem G Abodunrin */ 4630769c500dSAkeem G Abodunrin static void ice_prepare_for_shutdown(struct ice_pf *pf) 4631769c500dSAkeem G Abodunrin { 4632769c500dSAkeem G Abodunrin struct ice_hw *hw = &pf->hw; 4633769c500dSAkeem G Abodunrin u32 v; 4634769c500dSAkeem G Abodunrin 4635769c500dSAkeem G Abodunrin /* Notify VFs of impending reset */ 4636769c500dSAkeem G Abodunrin if (ice_check_sq_alive(hw, &hw->mailboxq)) 4637769c500dSAkeem G Abodunrin ice_vc_notify_reset(pf); 4638769c500dSAkeem G Abodunrin 4639769c500dSAkeem G Abodunrin dev_dbg(ice_pf_to_dev(pf), "Tearing down internal switch for shutdown\n"); 4640769c500dSAkeem G Abodunrin 4641769c500dSAkeem G Abodunrin /* disable the VSIs and their queues that are not already DOWN */ 4642769c500dSAkeem G Abodunrin ice_pf_dis_all_vsi(pf, false); 4643769c500dSAkeem G Abodunrin 4644769c500dSAkeem G Abodunrin ice_for_each_vsi(pf, v) 4645769c500dSAkeem G Abodunrin if (pf->vsi[v]) 4646769c500dSAkeem G Abodunrin pf->vsi[v]->vsi_num = 0; 4647769c500dSAkeem G Abodunrin 4648769c500dSAkeem G Abodunrin ice_shutdown_all_ctrlq(hw); 4649769c500dSAkeem G Abodunrin } 4650769c500dSAkeem G Abodunrin 4651769c500dSAkeem G Abodunrin /** 4652769c500dSAkeem G Abodunrin * ice_reinit_interrupt_scheme - Reinitialize interrupt scheme 4653769c500dSAkeem G Abodunrin * @pf: board private structure to reinitialize 4654769c500dSAkeem G Abodunrin * 4655769c500dSAkeem G Abodunrin * This routine reinitialize interrupt scheme that was cleared during 4656769c500dSAkeem G Abodunrin * power management suspend callback. 4657769c500dSAkeem G Abodunrin * 4658769c500dSAkeem G Abodunrin * This should be called during resume routine to re-allocate the q_vectors 4659769c500dSAkeem G Abodunrin * and reacquire interrupts. 4660769c500dSAkeem G Abodunrin */ 4661769c500dSAkeem G Abodunrin static int ice_reinit_interrupt_scheme(struct ice_pf *pf) 4662769c500dSAkeem G Abodunrin { 4663769c500dSAkeem G Abodunrin struct device *dev = ice_pf_to_dev(pf); 4664769c500dSAkeem G Abodunrin int ret, v; 4665769c500dSAkeem G Abodunrin 4666769c500dSAkeem G Abodunrin /* Since we clear MSIX flag during suspend, we need to 4667769c500dSAkeem G Abodunrin * set it back during resume... 4668769c500dSAkeem G Abodunrin */ 4669769c500dSAkeem G Abodunrin 4670769c500dSAkeem G Abodunrin ret = ice_init_interrupt_scheme(pf); 4671769c500dSAkeem G Abodunrin if (ret) { 4672769c500dSAkeem G Abodunrin dev_err(dev, "Failed to re-initialize interrupt %d\n", ret); 4673769c500dSAkeem G Abodunrin return ret; 4674769c500dSAkeem G Abodunrin } 4675769c500dSAkeem G Abodunrin 4676769c500dSAkeem G Abodunrin /* Remap vectors and rings, after successful re-init interrupts */ 4677769c500dSAkeem G Abodunrin ice_for_each_vsi(pf, v) { 4678769c500dSAkeem G Abodunrin if (!pf->vsi[v]) 4679769c500dSAkeem G Abodunrin continue; 4680769c500dSAkeem G Abodunrin 4681769c500dSAkeem G Abodunrin ret = ice_vsi_alloc_q_vectors(pf->vsi[v]); 4682769c500dSAkeem G Abodunrin if (ret) 4683769c500dSAkeem G Abodunrin goto err_reinit; 4684769c500dSAkeem G Abodunrin ice_vsi_map_rings_to_vectors(pf->vsi[v]); 4685769c500dSAkeem G Abodunrin } 4686769c500dSAkeem G Abodunrin 4687769c500dSAkeem G Abodunrin ret = ice_req_irq_msix_misc(pf); 4688769c500dSAkeem G Abodunrin if (ret) { 4689769c500dSAkeem G Abodunrin dev_err(dev, "Setting up misc vector failed after device suspend %d\n", 4690769c500dSAkeem G Abodunrin ret); 4691769c500dSAkeem G Abodunrin goto err_reinit; 4692769c500dSAkeem G Abodunrin } 4693769c500dSAkeem G Abodunrin 4694769c500dSAkeem G Abodunrin return 0; 4695769c500dSAkeem G Abodunrin 4696769c500dSAkeem G Abodunrin err_reinit: 4697769c500dSAkeem G Abodunrin while (v--) 4698769c500dSAkeem G Abodunrin if (pf->vsi[v]) 4699769c500dSAkeem G Abodunrin ice_vsi_free_q_vectors(pf->vsi[v]); 4700769c500dSAkeem G Abodunrin 4701769c500dSAkeem G Abodunrin return ret; 4702769c500dSAkeem G Abodunrin } 4703769c500dSAkeem G Abodunrin 4704769c500dSAkeem G Abodunrin /** 4705769c500dSAkeem G Abodunrin * ice_suspend 4706769c500dSAkeem G Abodunrin * @dev: generic device information structure 4707769c500dSAkeem G Abodunrin * 4708769c500dSAkeem G Abodunrin * Power Management callback to quiesce the device and prepare 4709769c500dSAkeem G Abodunrin * for D3 transition. 4710769c500dSAkeem G Abodunrin */ 471165c72291SWei Yongjun static int __maybe_unused ice_suspend(struct device *dev) 4712769c500dSAkeem G Abodunrin { 4713769c500dSAkeem G Abodunrin struct pci_dev *pdev = to_pci_dev(dev); 4714769c500dSAkeem G Abodunrin struct ice_pf *pf; 4715769c500dSAkeem G Abodunrin int disabled, v; 4716769c500dSAkeem G Abodunrin 4717769c500dSAkeem G Abodunrin pf = pci_get_drvdata(pdev); 4718769c500dSAkeem G Abodunrin 4719769c500dSAkeem G Abodunrin if (!ice_pf_state_is_nominal(pf)) { 4720769c500dSAkeem G Abodunrin dev_err(dev, "Device is not ready, no need to suspend it\n"); 4721769c500dSAkeem G Abodunrin return -EBUSY; 4722769c500dSAkeem G Abodunrin } 4723769c500dSAkeem G Abodunrin 4724769c500dSAkeem G Abodunrin /* Stop watchdog tasks until resume completion. 4725769c500dSAkeem G Abodunrin * Even though it is most likely that the service task is 4726769c500dSAkeem G Abodunrin * disabled if the device is suspended or down, the service task's 4727769c500dSAkeem G Abodunrin * state is controlled by a different state bit, and we should 4728769c500dSAkeem G Abodunrin * store and honor whatever state that bit is in at this point. 4729769c500dSAkeem G Abodunrin */ 4730769c500dSAkeem G Abodunrin disabled = ice_service_task_stop(pf); 4731769c500dSAkeem G Abodunrin 4732f9f5301eSDave Ertman ice_unplug_aux_dev(pf); 4733f9f5301eSDave Ertman 4734769c500dSAkeem G Abodunrin /* Already suspended?, then there is nothing to do */ 47357e408e07SAnirudh Venkataramanan if (test_and_set_bit(ICE_SUSPENDED, pf->state)) { 4736769c500dSAkeem G Abodunrin if (!disabled) 4737769c500dSAkeem G Abodunrin ice_service_task_restart(pf); 4738769c500dSAkeem G Abodunrin return 0; 4739769c500dSAkeem G Abodunrin } 4740769c500dSAkeem G Abodunrin 47417e408e07SAnirudh Venkataramanan if (test_bit(ICE_DOWN, pf->state) || 4742769c500dSAkeem G Abodunrin ice_is_reset_in_progress(pf->state)) { 4743769c500dSAkeem G Abodunrin dev_err(dev, "can't suspend device in reset or already down\n"); 4744769c500dSAkeem G Abodunrin if (!disabled) 4745769c500dSAkeem G Abodunrin ice_service_task_restart(pf); 4746769c500dSAkeem G Abodunrin return 0; 4747769c500dSAkeem G Abodunrin } 4748769c500dSAkeem G Abodunrin 4749769c500dSAkeem G Abodunrin ice_setup_mc_magic_wake(pf); 4750769c500dSAkeem G Abodunrin 4751769c500dSAkeem G Abodunrin ice_prepare_for_shutdown(pf); 4752769c500dSAkeem G Abodunrin 4753769c500dSAkeem G Abodunrin ice_set_wake(pf); 4754769c500dSAkeem G Abodunrin 4755769c500dSAkeem G Abodunrin /* Free vectors, clear the interrupt scheme and release IRQs 4756769c500dSAkeem G Abodunrin * for proper hibernation, especially with large number of CPUs. 4757769c500dSAkeem G Abodunrin * Otherwise hibernation might fail when mapping all the vectors back 4758769c500dSAkeem G Abodunrin * to CPU0. 4759769c500dSAkeem G Abodunrin */ 4760769c500dSAkeem G Abodunrin ice_free_irq_msix_misc(pf); 4761769c500dSAkeem G Abodunrin ice_for_each_vsi(pf, v) { 4762769c500dSAkeem G Abodunrin if (!pf->vsi[v]) 4763769c500dSAkeem G Abodunrin continue; 4764769c500dSAkeem G Abodunrin ice_vsi_free_q_vectors(pf->vsi[v]); 4765769c500dSAkeem G Abodunrin } 47661831da7eSYongxin Liu ice_free_cpu_rx_rmap(ice_get_main_vsi(pf)); 4767769c500dSAkeem G Abodunrin ice_clear_interrupt_scheme(pf); 4768769c500dSAkeem G Abodunrin 4769466e4392SAnirudh Venkataramanan pci_save_state(pdev); 4770769c500dSAkeem G Abodunrin pci_wake_from_d3(pdev, pf->wol_ena); 4771769c500dSAkeem G Abodunrin pci_set_power_state(pdev, PCI_D3hot); 4772769c500dSAkeem G Abodunrin return 0; 4773769c500dSAkeem G Abodunrin } 4774769c500dSAkeem G Abodunrin 4775769c500dSAkeem G Abodunrin /** 4776769c500dSAkeem G Abodunrin * ice_resume - PM callback for waking up from D3 4777769c500dSAkeem G Abodunrin * @dev: generic device information structure 4778769c500dSAkeem G Abodunrin */ 477965c72291SWei Yongjun static int __maybe_unused ice_resume(struct device *dev) 4780769c500dSAkeem G Abodunrin { 4781769c500dSAkeem G Abodunrin struct pci_dev *pdev = to_pci_dev(dev); 4782769c500dSAkeem G Abodunrin enum ice_reset_req reset_type; 4783769c500dSAkeem G Abodunrin struct ice_pf *pf; 4784769c500dSAkeem G Abodunrin struct ice_hw *hw; 4785769c500dSAkeem G Abodunrin int ret; 4786769c500dSAkeem G Abodunrin 4787769c500dSAkeem G Abodunrin pci_set_power_state(pdev, PCI_D0); 4788769c500dSAkeem G Abodunrin pci_restore_state(pdev); 4789769c500dSAkeem G Abodunrin pci_save_state(pdev); 4790769c500dSAkeem G Abodunrin 4791769c500dSAkeem G Abodunrin if (!pci_device_is_present(pdev)) 4792769c500dSAkeem G Abodunrin return -ENODEV; 4793769c500dSAkeem G Abodunrin 4794769c500dSAkeem G Abodunrin ret = pci_enable_device_mem(pdev); 4795769c500dSAkeem G Abodunrin if (ret) { 4796769c500dSAkeem G Abodunrin dev_err(dev, "Cannot enable device after suspend\n"); 4797769c500dSAkeem G Abodunrin return ret; 4798769c500dSAkeem G Abodunrin } 4799769c500dSAkeem G Abodunrin 4800769c500dSAkeem G Abodunrin pf = pci_get_drvdata(pdev); 4801769c500dSAkeem G Abodunrin hw = &pf->hw; 4802769c500dSAkeem G Abodunrin 4803769c500dSAkeem G Abodunrin pf->wakeup_reason = rd32(hw, PFPM_WUS); 4804769c500dSAkeem G Abodunrin ice_print_wake_reason(pf); 4805769c500dSAkeem G Abodunrin 4806769c500dSAkeem G Abodunrin /* We cleared the interrupt scheme when we suspended, so we need to 4807769c500dSAkeem G Abodunrin * restore it now to resume device functionality. 4808769c500dSAkeem G Abodunrin */ 4809769c500dSAkeem G Abodunrin ret = ice_reinit_interrupt_scheme(pf); 4810769c500dSAkeem G Abodunrin if (ret) 4811769c500dSAkeem G Abodunrin dev_err(dev, "Cannot restore interrupt scheme: %d\n", ret); 4812769c500dSAkeem G Abodunrin 48137e408e07SAnirudh Venkataramanan clear_bit(ICE_DOWN, pf->state); 4814769c500dSAkeem G Abodunrin /* Now perform PF reset and rebuild */ 4815769c500dSAkeem G Abodunrin reset_type = ICE_RESET_PFR; 4816769c500dSAkeem G Abodunrin /* re-enable service task for reset, but allow reset to schedule it */ 48177e408e07SAnirudh Venkataramanan clear_bit(ICE_SERVICE_DIS, pf->state); 4818769c500dSAkeem G Abodunrin 4819769c500dSAkeem G Abodunrin if (ice_schedule_reset(pf, reset_type)) 4820769c500dSAkeem G Abodunrin dev_err(dev, "Reset during resume failed.\n"); 4821769c500dSAkeem G Abodunrin 48227e408e07SAnirudh Venkataramanan clear_bit(ICE_SUSPENDED, pf->state); 4823769c500dSAkeem G Abodunrin ice_service_task_restart(pf); 4824769c500dSAkeem G Abodunrin 4825769c500dSAkeem G Abodunrin /* Restart the service task */ 4826769c500dSAkeem G Abodunrin mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period)); 4827769c500dSAkeem G Abodunrin 4828769c500dSAkeem G Abodunrin return 0; 4829769c500dSAkeem G Abodunrin } 4830769c500dSAkeem G Abodunrin #endif /* CONFIG_PM */ 4831769c500dSAkeem G Abodunrin 4832769c500dSAkeem G Abodunrin /** 48335995b6d0SBrett Creeley * ice_pci_err_detected - warning that PCI error has been detected 48345995b6d0SBrett Creeley * @pdev: PCI device information struct 48355995b6d0SBrett Creeley * @err: the type of PCI error 48365995b6d0SBrett Creeley * 48375995b6d0SBrett Creeley * Called to warn that something happened on the PCI bus and the error handling 48385995b6d0SBrett Creeley * is in progress. Allows the driver to gracefully prepare/handle PCI errors. 48395995b6d0SBrett Creeley */ 48405995b6d0SBrett Creeley static pci_ers_result_t 484116d79cd4SLuc Van Oostenryck ice_pci_err_detected(struct pci_dev *pdev, pci_channel_state_t err) 48425995b6d0SBrett Creeley { 48435995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 48445995b6d0SBrett Creeley 48455995b6d0SBrett Creeley if (!pf) { 48465995b6d0SBrett Creeley dev_err(&pdev->dev, "%s: unrecoverable device error %d\n", 48475995b6d0SBrett Creeley __func__, err); 48485995b6d0SBrett Creeley return PCI_ERS_RESULT_DISCONNECT; 48495995b6d0SBrett Creeley } 48505995b6d0SBrett Creeley 48517e408e07SAnirudh Venkataramanan if (!test_bit(ICE_SUSPENDED, pf->state)) { 48525995b6d0SBrett Creeley ice_service_task_stop(pf); 48535995b6d0SBrett Creeley 48547e408e07SAnirudh Venkataramanan if (!test_bit(ICE_PREPARED_FOR_RESET, pf->state)) { 48557e408e07SAnirudh Venkataramanan set_bit(ICE_PFR_REQ, pf->state); 48565995b6d0SBrett Creeley ice_prepare_for_reset(pf); 48575995b6d0SBrett Creeley } 48585995b6d0SBrett Creeley } 48595995b6d0SBrett Creeley 48605995b6d0SBrett Creeley return PCI_ERS_RESULT_NEED_RESET; 48615995b6d0SBrett Creeley } 48625995b6d0SBrett Creeley 48635995b6d0SBrett Creeley /** 48645995b6d0SBrett Creeley * ice_pci_err_slot_reset - a PCI slot reset has just happened 48655995b6d0SBrett Creeley * @pdev: PCI device information struct 48665995b6d0SBrett Creeley * 48675995b6d0SBrett Creeley * Called to determine if the driver can recover from the PCI slot reset by 48685995b6d0SBrett Creeley * using a register read to determine if the device is recoverable. 48695995b6d0SBrett Creeley */ 48705995b6d0SBrett Creeley static pci_ers_result_t ice_pci_err_slot_reset(struct pci_dev *pdev) 48715995b6d0SBrett Creeley { 48725995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 48735995b6d0SBrett Creeley pci_ers_result_t result; 48745995b6d0SBrett Creeley int err; 48755995b6d0SBrett Creeley u32 reg; 48765995b6d0SBrett Creeley 48775995b6d0SBrett Creeley err = pci_enable_device_mem(pdev); 48785995b6d0SBrett Creeley if (err) { 487919cce2c6SAnirudh Venkataramanan dev_err(&pdev->dev, "Cannot re-enable PCI device after reset, error %d\n", 48805995b6d0SBrett Creeley err); 48815995b6d0SBrett Creeley result = PCI_ERS_RESULT_DISCONNECT; 48825995b6d0SBrett Creeley } else { 48835995b6d0SBrett Creeley pci_set_master(pdev); 48845995b6d0SBrett Creeley pci_restore_state(pdev); 48855995b6d0SBrett Creeley pci_save_state(pdev); 48865995b6d0SBrett Creeley pci_wake_from_d3(pdev, false); 48875995b6d0SBrett Creeley 48885995b6d0SBrett Creeley /* Check for life */ 48895995b6d0SBrett Creeley reg = rd32(&pf->hw, GLGEN_RTRIG); 48905995b6d0SBrett Creeley if (!reg) 48915995b6d0SBrett Creeley result = PCI_ERS_RESULT_RECOVERED; 48925995b6d0SBrett Creeley else 48935995b6d0SBrett Creeley result = PCI_ERS_RESULT_DISCONNECT; 48945995b6d0SBrett Creeley } 48955995b6d0SBrett Creeley 4896894020fdSKuppuswamy Sathyanarayanan err = pci_aer_clear_nonfatal_status(pdev); 48975995b6d0SBrett Creeley if (err) 489886f26a77SLinus Torvalds dev_dbg(&pdev->dev, "pci_aer_clear_nonfatal_status() failed, error %d\n", 48995995b6d0SBrett Creeley err); 49005995b6d0SBrett Creeley /* non-fatal, continue */ 49015995b6d0SBrett Creeley 49025995b6d0SBrett Creeley return result; 49035995b6d0SBrett Creeley } 49045995b6d0SBrett Creeley 49055995b6d0SBrett Creeley /** 49065995b6d0SBrett Creeley * ice_pci_err_resume - restart operations after PCI error recovery 49075995b6d0SBrett Creeley * @pdev: PCI device information struct 49085995b6d0SBrett Creeley * 49095995b6d0SBrett Creeley * Called to allow the driver to bring things back up after PCI error and/or 49105995b6d0SBrett Creeley * reset recovery have finished 49115995b6d0SBrett Creeley */ 49125995b6d0SBrett Creeley static void ice_pci_err_resume(struct pci_dev *pdev) 49135995b6d0SBrett Creeley { 49145995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 49155995b6d0SBrett Creeley 49165995b6d0SBrett Creeley if (!pf) { 491719cce2c6SAnirudh Venkataramanan dev_err(&pdev->dev, "%s failed, device is unrecoverable\n", 491819cce2c6SAnirudh Venkataramanan __func__); 49195995b6d0SBrett Creeley return; 49205995b6d0SBrett Creeley } 49215995b6d0SBrett Creeley 49227e408e07SAnirudh Venkataramanan if (test_bit(ICE_SUSPENDED, pf->state)) { 49235995b6d0SBrett Creeley dev_dbg(&pdev->dev, "%s failed to resume normal operations!\n", 49245995b6d0SBrett Creeley __func__); 49255995b6d0SBrett Creeley return; 49265995b6d0SBrett Creeley } 49275995b6d0SBrett Creeley 4928a54a0b24SNick Nunley ice_restore_all_vfs_msi_state(pdev); 4929a54a0b24SNick Nunley 49305995b6d0SBrett Creeley ice_do_reset(pf, ICE_RESET_PFR); 49315995b6d0SBrett Creeley ice_service_task_restart(pf); 49325995b6d0SBrett Creeley mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period)); 49335995b6d0SBrett Creeley } 49345995b6d0SBrett Creeley 49355995b6d0SBrett Creeley /** 49365995b6d0SBrett Creeley * ice_pci_err_reset_prepare - prepare device driver for PCI reset 49375995b6d0SBrett Creeley * @pdev: PCI device information struct 49385995b6d0SBrett Creeley */ 49395995b6d0SBrett Creeley static void ice_pci_err_reset_prepare(struct pci_dev *pdev) 49405995b6d0SBrett Creeley { 49415995b6d0SBrett Creeley struct ice_pf *pf = pci_get_drvdata(pdev); 49425995b6d0SBrett Creeley 49437e408e07SAnirudh Venkataramanan if (!test_bit(ICE_SUSPENDED, pf->state)) { 49445995b6d0SBrett Creeley ice_service_task_stop(pf); 49455995b6d0SBrett Creeley 49467e408e07SAnirudh Venkataramanan if (!test_bit(ICE_PREPARED_FOR_RESET, pf->state)) { 49477e408e07SAnirudh Venkataramanan set_bit(ICE_PFR_REQ, pf->state); 49485995b6d0SBrett Creeley ice_prepare_for_reset(pf); 49495995b6d0SBrett Creeley } 49505995b6d0SBrett Creeley } 49515995b6d0SBrett Creeley } 49525995b6d0SBrett Creeley 49535995b6d0SBrett Creeley /** 49545995b6d0SBrett Creeley * ice_pci_err_reset_done - PCI reset done, device driver reset can begin 49555995b6d0SBrett Creeley * @pdev: PCI device information struct 49565995b6d0SBrett Creeley */ 49575995b6d0SBrett Creeley static void ice_pci_err_reset_done(struct pci_dev *pdev) 49585995b6d0SBrett Creeley { 49595995b6d0SBrett Creeley ice_pci_err_resume(pdev); 49605995b6d0SBrett Creeley } 49615995b6d0SBrett Creeley 4962837f08fdSAnirudh Venkataramanan /* ice_pci_tbl - PCI Device ID Table 4963837f08fdSAnirudh Venkataramanan * 4964837f08fdSAnirudh Venkataramanan * Wildcard entries (PCI_ANY_ID) should come last 4965837f08fdSAnirudh Venkataramanan * Last entry must be all 0s 4966837f08fdSAnirudh Venkataramanan * 4967837f08fdSAnirudh Venkataramanan * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, 4968837f08fdSAnirudh Venkataramanan * Class, Class Mask, private data (not used) } 4969837f08fdSAnirudh Venkataramanan */ 4970837f08fdSAnirudh Venkataramanan static const struct pci_device_id ice_pci_tbl[] = { 4971633d7449SAnirudh Venkataramanan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_BACKPLANE), 0 }, 4972633d7449SAnirudh Venkataramanan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_QSFP), 0 }, 4973633d7449SAnirudh Venkataramanan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_SFP), 0 }, 4974195fb977SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810_XXV_SFP), 0 }, 4975e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_BACKPLANE), 0 }, 4976e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_QSFP), 0 }, 4977e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_SFP), 0 }, 4978e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_10G_BASE_T), 0 }, 4979e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_SGMII), 0 }, 49805d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_BACKPLANE), 0 }, 49815d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_QSFP), 0 }, 49825d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_SFP), 0 }, 49835d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_10G_BASE_T), 0 }, 49845d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_SGMII), 0 }, 49852fbfa966SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_BACKPLANE), 0 }, 49865d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_SFP), 0 }, 49875d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_10G_BASE_T), 0 }, 49885d9e618cSJacob Keller { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_SGMII), 0 }, 4989e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_BACKPLANE), 0 }, 4990e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_SFP), 0 }, 4991e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_10G_BASE_T), 0 }, 4992e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_1GBE), 0 }, 4993e36aeec0SBruce Allan { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_QSFP), 0 }, 4994837f08fdSAnirudh Venkataramanan /* required last entry */ 4995837f08fdSAnirudh Venkataramanan { 0, } 4996837f08fdSAnirudh Venkataramanan }; 4997837f08fdSAnirudh Venkataramanan MODULE_DEVICE_TABLE(pci, ice_pci_tbl); 4998837f08fdSAnirudh Venkataramanan 4999769c500dSAkeem G Abodunrin static __maybe_unused SIMPLE_DEV_PM_OPS(ice_pm_ops, ice_suspend, ice_resume); 5000769c500dSAkeem G Abodunrin 50015995b6d0SBrett Creeley static const struct pci_error_handlers ice_pci_err_handler = { 50025995b6d0SBrett Creeley .error_detected = ice_pci_err_detected, 50035995b6d0SBrett Creeley .slot_reset = ice_pci_err_slot_reset, 50045995b6d0SBrett Creeley .reset_prepare = ice_pci_err_reset_prepare, 50055995b6d0SBrett Creeley .reset_done = ice_pci_err_reset_done, 50065995b6d0SBrett Creeley .resume = ice_pci_err_resume 50075995b6d0SBrett Creeley }; 50085995b6d0SBrett Creeley 5009837f08fdSAnirudh Venkataramanan static struct pci_driver ice_driver = { 5010837f08fdSAnirudh Venkataramanan .name = KBUILD_MODNAME, 5011837f08fdSAnirudh Venkataramanan .id_table = ice_pci_tbl, 5012837f08fdSAnirudh Venkataramanan .probe = ice_probe, 5013837f08fdSAnirudh Venkataramanan .remove = ice_remove, 5014769c500dSAkeem G Abodunrin #ifdef CONFIG_PM 5015769c500dSAkeem G Abodunrin .driver.pm = &ice_pm_ops, 5016769c500dSAkeem G Abodunrin #endif /* CONFIG_PM */ 5017769c500dSAkeem G Abodunrin .shutdown = ice_shutdown, 5018ddf30f7fSAnirudh Venkataramanan .sriov_configure = ice_sriov_configure, 50195995b6d0SBrett Creeley .err_handler = &ice_pci_err_handler 5020837f08fdSAnirudh Venkataramanan }; 5021837f08fdSAnirudh Venkataramanan 5022837f08fdSAnirudh Venkataramanan /** 5023837f08fdSAnirudh Venkataramanan * ice_module_init - Driver registration routine 5024837f08fdSAnirudh Venkataramanan * 5025837f08fdSAnirudh Venkataramanan * ice_module_init is the first routine called when the driver is 5026837f08fdSAnirudh Venkataramanan * loaded. All it does is register with the PCI subsystem. 5027837f08fdSAnirudh Venkataramanan */ 5028837f08fdSAnirudh Venkataramanan static int __init ice_module_init(void) 5029837f08fdSAnirudh Venkataramanan { 5030837f08fdSAnirudh Venkataramanan int status; 5031837f08fdSAnirudh Venkataramanan 503234a2a3b8SJeff Kirsher pr_info("%s\n", ice_driver_string); 5033837f08fdSAnirudh Venkataramanan pr_info("%s\n", ice_copyright); 5034837f08fdSAnirudh Venkataramanan 50350f9d5027SAnirudh Venkataramanan ice_wq = alloc_workqueue("%s", WQ_MEM_RECLAIM, 0, KBUILD_MODNAME); 5036940b61afSAnirudh Venkataramanan if (!ice_wq) { 5037940b61afSAnirudh Venkataramanan pr_err("Failed to create workqueue\n"); 5038940b61afSAnirudh Venkataramanan return -ENOMEM; 5039940b61afSAnirudh Venkataramanan } 5040940b61afSAnirudh Venkataramanan 5041837f08fdSAnirudh Venkataramanan status = pci_register_driver(&ice_driver); 5042940b61afSAnirudh Venkataramanan if (status) { 50432f2da36eSAnirudh Venkataramanan pr_err("failed to register PCI driver, err %d\n", status); 5044940b61afSAnirudh Venkataramanan destroy_workqueue(ice_wq); 5045940b61afSAnirudh Venkataramanan } 5046837f08fdSAnirudh Venkataramanan 5047837f08fdSAnirudh Venkataramanan return status; 5048837f08fdSAnirudh Venkataramanan } 5049837f08fdSAnirudh Venkataramanan module_init(ice_module_init); 5050837f08fdSAnirudh Venkataramanan 5051837f08fdSAnirudh Venkataramanan /** 5052837f08fdSAnirudh Venkataramanan * ice_module_exit - Driver exit cleanup routine 5053837f08fdSAnirudh Venkataramanan * 5054837f08fdSAnirudh Venkataramanan * ice_module_exit is called just before the driver is removed 5055837f08fdSAnirudh Venkataramanan * from memory. 5056837f08fdSAnirudh Venkataramanan */ 5057837f08fdSAnirudh Venkataramanan static void __exit ice_module_exit(void) 5058837f08fdSAnirudh Venkataramanan { 5059837f08fdSAnirudh Venkataramanan pci_unregister_driver(&ice_driver); 5060940b61afSAnirudh Venkataramanan destroy_workqueue(ice_wq); 5061837f08fdSAnirudh Venkataramanan pr_info("module unloaded\n"); 5062837f08fdSAnirudh Venkataramanan } 5063837f08fdSAnirudh Venkataramanan module_exit(ice_module_exit); 50643a858ba3SAnirudh Venkataramanan 50653a858ba3SAnirudh Venkataramanan /** 5066f9867df6SAnirudh Venkataramanan * ice_set_mac_address - NDO callback to set MAC address 5067e94d4478SAnirudh Venkataramanan * @netdev: network interface device structure 5068e94d4478SAnirudh Venkataramanan * @pi: pointer to an address structure 5069e94d4478SAnirudh Venkataramanan * 5070e94d4478SAnirudh Venkataramanan * Returns 0 on success, negative on failure 5071e94d4478SAnirudh Venkataramanan */ 5072e94d4478SAnirudh Venkataramanan static int ice_set_mac_address(struct net_device *netdev, void *pi) 5073e94d4478SAnirudh Venkataramanan { 5074e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 5075e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 5076e94d4478SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 5077e94d4478SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 5078e94d4478SAnirudh Venkataramanan struct sockaddr *addr = pi; 5079e94d4478SAnirudh Venkataramanan enum ice_status status; 5080e94d4478SAnirudh Venkataramanan u8 flags = 0; 5081bbb968e8SAkeem G Abodunrin int err = 0; 5082e94d4478SAnirudh Venkataramanan u8 *mac; 5083e94d4478SAnirudh Venkataramanan 5084e94d4478SAnirudh Venkataramanan mac = (u8 *)addr->sa_data; 5085e94d4478SAnirudh Venkataramanan 5086e94d4478SAnirudh Venkataramanan if (!is_valid_ether_addr(mac)) 5087e94d4478SAnirudh Venkataramanan return -EADDRNOTAVAIL; 5088e94d4478SAnirudh Venkataramanan 5089e94d4478SAnirudh Venkataramanan if (ether_addr_equal(netdev->dev_addr, mac)) { 5090e94d4478SAnirudh Venkataramanan netdev_warn(netdev, "already using mac %pM\n", mac); 5091e94d4478SAnirudh Venkataramanan return 0; 5092e94d4478SAnirudh Venkataramanan } 5093e94d4478SAnirudh Venkataramanan 50947e408e07SAnirudh Venkataramanan if (test_bit(ICE_DOWN, pf->state) || 50955df7e45dSDave Ertman ice_is_reset_in_progress(pf->state)) { 5096e94d4478SAnirudh Venkataramanan netdev_err(netdev, "can't set mac %pM. device not ready\n", 5097e94d4478SAnirudh Venkataramanan mac); 5098e94d4478SAnirudh Venkataramanan return -EBUSY; 5099e94d4478SAnirudh Venkataramanan } 5100e94d4478SAnirudh Venkataramanan 5101757976abSLihong Yang /* Clean up old MAC filter. Not an error if old filter doesn't exist */ 51021b8f15b6SMichal Swiatkowski status = ice_fltr_remove_mac(vsi, netdev->dev_addr, ICE_FWD_TO_VSI); 5103757976abSLihong Yang if (status && status != ICE_ERR_DOES_NOT_EXIST) { 5104e94d4478SAnirudh Venkataramanan err = -EADDRNOTAVAIL; 5105bbb968e8SAkeem G Abodunrin goto err_update_filters; 5106e94d4478SAnirudh Venkataramanan } 5107e94d4478SAnirudh Venkataramanan 510813ed5e8aSNick Nunley /* Add filter for new MAC. If filter exists, return success */ 51091b8f15b6SMichal Swiatkowski status = ice_fltr_add_mac(vsi, mac, ICE_FWD_TO_VSI); 5110757976abSLihong Yang if (status == ICE_ERR_ALREADY_EXISTS) { 511113ed5e8aSNick Nunley /* Although this MAC filter is already present in hardware it's 511213ed5e8aSNick Nunley * possible in some cases (e.g. bonding) that dev_addr was 511313ed5e8aSNick Nunley * modified outside of the driver and needs to be restored back 511413ed5e8aSNick Nunley * to this value. 511513ed5e8aSNick Nunley */ 511613ed5e8aSNick Nunley memcpy(netdev->dev_addr, mac, netdev->addr_len); 5117757976abSLihong Yang netdev_dbg(netdev, "filter for MAC %pM already exists\n", mac); 5118757976abSLihong Yang return 0; 5119e94d4478SAnirudh Venkataramanan } 5120e94d4478SAnirudh Venkataramanan 5121757976abSLihong Yang /* error if the new filter addition failed */ 5122757976abSLihong Yang if (status) 5123757976abSLihong Yang err = -EADDRNOTAVAIL; 5124757976abSLihong Yang 5125bbb968e8SAkeem G Abodunrin err_update_filters: 5126e94d4478SAnirudh Venkataramanan if (err) { 51272f2da36eSAnirudh Venkataramanan netdev_err(netdev, "can't set MAC %pM. filter update failed\n", 5128e94d4478SAnirudh Venkataramanan mac); 5129e94d4478SAnirudh Venkataramanan return err; 5130e94d4478SAnirudh Venkataramanan } 5131e94d4478SAnirudh Venkataramanan 5132f9867df6SAnirudh Venkataramanan /* change the netdev's MAC address */ 5133e94d4478SAnirudh Venkataramanan memcpy(netdev->dev_addr, mac, netdev->addr_len); 51342f2da36eSAnirudh Venkataramanan netdev_dbg(vsi->netdev, "updated MAC address to %pM\n", 5135e94d4478SAnirudh Venkataramanan netdev->dev_addr); 5136e94d4478SAnirudh Venkataramanan 5137f9867df6SAnirudh Venkataramanan /* write new MAC address to the firmware */ 5138e94d4478SAnirudh Venkataramanan flags = ICE_AQC_MAN_MAC_UPDATE_LAA_WOL; 5139e94d4478SAnirudh Venkataramanan status = ice_aq_manage_mac_write(hw, mac, flags, NULL); 5140e94d4478SAnirudh Venkataramanan if (status) { 51410fee3577SLihong Yang netdev_err(netdev, "can't set MAC %pM. write to firmware failed error %s\n", 51420fee3577SLihong Yang mac, ice_stat_str(status)); 5143e94d4478SAnirudh Venkataramanan } 5144e94d4478SAnirudh Venkataramanan return 0; 5145e94d4478SAnirudh Venkataramanan } 5146e94d4478SAnirudh Venkataramanan 5147e94d4478SAnirudh Venkataramanan /** 5148e94d4478SAnirudh Venkataramanan * ice_set_rx_mode - NDO callback to set the netdev filters 5149e94d4478SAnirudh Venkataramanan * @netdev: network interface device structure 5150e94d4478SAnirudh Venkataramanan */ 5151e94d4478SAnirudh Venkataramanan static void ice_set_rx_mode(struct net_device *netdev) 5152e94d4478SAnirudh Venkataramanan { 5153e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 5154e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 5155e94d4478SAnirudh Venkataramanan 5156e94d4478SAnirudh Venkataramanan if (!vsi) 5157e94d4478SAnirudh Venkataramanan return; 5158e94d4478SAnirudh Venkataramanan 5159e94d4478SAnirudh Venkataramanan /* Set the flags to synchronize filters 5160e94d4478SAnirudh Venkataramanan * ndo_set_rx_mode may be triggered even without a change in netdev 5161e94d4478SAnirudh Venkataramanan * flags 5162e94d4478SAnirudh Venkataramanan */ 5163e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_UMAC_FLTR_CHANGED, vsi->state); 5164e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_MMAC_FLTR_CHANGED, vsi->state); 5165e94d4478SAnirudh Venkataramanan set_bit(ICE_FLAG_FLTR_SYNC, vsi->back->flags); 5166e94d4478SAnirudh Venkataramanan 5167e94d4478SAnirudh Venkataramanan /* schedule our worker thread which will take care of 5168e94d4478SAnirudh Venkataramanan * applying the new filter changes 5169e94d4478SAnirudh Venkataramanan */ 5170e94d4478SAnirudh Venkataramanan ice_service_task_schedule(vsi->back); 5171e94d4478SAnirudh Venkataramanan } 5172e94d4478SAnirudh Venkataramanan 5173e94d4478SAnirudh Venkataramanan /** 51741ddef455SUsha Ketineni * ice_set_tx_maxrate - NDO callback to set the maximum per-queue bitrate 51751ddef455SUsha Ketineni * @netdev: network interface device structure 51761ddef455SUsha Ketineni * @queue_index: Queue ID 51771ddef455SUsha Ketineni * @maxrate: maximum bandwidth in Mbps 51781ddef455SUsha Ketineni */ 51791ddef455SUsha Ketineni static int 51801ddef455SUsha Ketineni ice_set_tx_maxrate(struct net_device *netdev, int queue_index, u32 maxrate) 51811ddef455SUsha Ketineni { 51821ddef455SUsha Ketineni struct ice_netdev_priv *np = netdev_priv(netdev); 51831ddef455SUsha Ketineni struct ice_vsi *vsi = np->vsi; 51841ddef455SUsha Ketineni enum ice_status status; 51851ddef455SUsha Ketineni u16 q_handle; 51861ddef455SUsha Ketineni u8 tc; 51871ddef455SUsha Ketineni 51881ddef455SUsha Ketineni /* Validate maxrate requested is within permitted range */ 51891ddef455SUsha Ketineni if (maxrate && (maxrate > (ICE_SCHED_MAX_BW / 1000))) { 519019cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Invalid max rate %d specified for the queue %d\n", 51911ddef455SUsha Ketineni maxrate, queue_index); 51921ddef455SUsha Ketineni return -EINVAL; 51931ddef455SUsha Ketineni } 51941ddef455SUsha Ketineni 51951ddef455SUsha Ketineni q_handle = vsi->tx_rings[queue_index]->q_handle; 51961ddef455SUsha Ketineni tc = ice_dcb_get_tc(vsi, queue_index); 51971ddef455SUsha Ketineni 51981ddef455SUsha Ketineni /* Set BW back to default, when user set maxrate to 0 */ 51991ddef455SUsha Ketineni if (!maxrate) 52001ddef455SUsha Ketineni status = ice_cfg_q_bw_dflt_lmt(vsi->port_info, vsi->idx, tc, 52011ddef455SUsha Ketineni q_handle, ICE_MAX_BW); 52021ddef455SUsha Ketineni else 52031ddef455SUsha Ketineni status = ice_cfg_q_bw_lmt(vsi->port_info, vsi->idx, tc, 52041ddef455SUsha Ketineni q_handle, ICE_MAX_BW, maxrate * 1000); 52051ddef455SUsha Ketineni if (status) { 52060fee3577SLihong Yang netdev_err(netdev, "Unable to set Tx max rate, error %s\n", 52070fee3577SLihong Yang ice_stat_str(status)); 52081ddef455SUsha Ketineni return -EIO; 52091ddef455SUsha Ketineni } 52101ddef455SUsha Ketineni 52111ddef455SUsha Ketineni return 0; 52121ddef455SUsha Ketineni } 52131ddef455SUsha Ketineni 52141ddef455SUsha Ketineni /** 5215e94d4478SAnirudh Venkataramanan * ice_fdb_add - add an entry to the hardware database 5216e94d4478SAnirudh Venkataramanan * @ndm: the input from the stack 5217e94d4478SAnirudh Venkataramanan * @tb: pointer to array of nladdr (unused) 5218e94d4478SAnirudh Venkataramanan * @dev: the net device pointer 5219e94d4478SAnirudh Venkataramanan * @addr: the MAC address entry being added 5220f9867df6SAnirudh Venkataramanan * @vid: VLAN ID 5221e94d4478SAnirudh Venkataramanan * @flags: instructions from stack about fdb operation 522299be37edSBruce Allan * @extack: netlink extended ack 5223e94d4478SAnirudh Venkataramanan */ 522499be37edSBruce Allan static int 522599be37edSBruce Allan ice_fdb_add(struct ndmsg *ndm, struct nlattr __always_unused *tb[], 522699be37edSBruce Allan struct net_device *dev, const unsigned char *addr, u16 vid, 522799be37edSBruce Allan u16 flags, struct netlink_ext_ack __always_unused *extack) 5228e94d4478SAnirudh Venkataramanan { 5229e94d4478SAnirudh Venkataramanan int err; 5230e94d4478SAnirudh Venkataramanan 5231e94d4478SAnirudh Venkataramanan if (vid) { 5232e94d4478SAnirudh Venkataramanan netdev_err(dev, "VLANs aren't supported yet for dev_uc|mc_add()\n"); 5233e94d4478SAnirudh Venkataramanan return -EINVAL; 5234e94d4478SAnirudh Venkataramanan } 5235e94d4478SAnirudh Venkataramanan if (ndm->ndm_state && !(ndm->ndm_state & NUD_PERMANENT)) { 5236e94d4478SAnirudh Venkataramanan netdev_err(dev, "FDB only supports static addresses\n"); 5237e94d4478SAnirudh Venkataramanan return -EINVAL; 5238e94d4478SAnirudh Venkataramanan } 5239e94d4478SAnirudh Venkataramanan 5240e94d4478SAnirudh Venkataramanan if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr)) 5241e94d4478SAnirudh Venkataramanan err = dev_uc_add_excl(dev, addr); 5242e94d4478SAnirudh Venkataramanan else if (is_multicast_ether_addr(addr)) 5243e94d4478SAnirudh Venkataramanan err = dev_mc_add_excl(dev, addr); 5244e94d4478SAnirudh Venkataramanan else 5245e94d4478SAnirudh Venkataramanan err = -EINVAL; 5246e94d4478SAnirudh Venkataramanan 5247e94d4478SAnirudh Venkataramanan /* Only return duplicate errors if NLM_F_EXCL is set */ 5248e94d4478SAnirudh Venkataramanan if (err == -EEXIST && !(flags & NLM_F_EXCL)) 5249e94d4478SAnirudh Venkataramanan err = 0; 5250e94d4478SAnirudh Venkataramanan 5251e94d4478SAnirudh Venkataramanan return err; 5252e94d4478SAnirudh Venkataramanan } 5253e94d4478SAnirudh Venkataramanan 5254e94d4478SAnirudh Venkataramanan /** 5255e94d4478SAnirudh Venkataramanan * ice_fdb_del - delete an entry from the hardware database 5256e94d4478SAnirudh Venkataramanan * @ndm: the input from the stack 5257e94d4478SAnirudh Venkataramanan * @tb: pointer to array of nladdr (unused) 5258e94d4478SAnirudh Venkataramanan * @dev: the net device pointer 5259e94d4478SAnirudh Venkataramanan * @addr: the MAC address entry being added 5260f9867df6SAnirudh Venkataramanan * @vid: VLAN ID 5261e94d4478SAnirudh Venkataramanan */ 5262c8b7abddSBruce Allan static int 5263c8b7abddSBruce Allan ice_fdb_del(struct ndmsg *ndm, __always_unused struct nlattr *tb[], 5264e94d4478SAnirudh Venkataramanan struct net_device *dev, const unsigned char *addr, 5265e94d4478SAnirudh Venkataramanan __always_unused u16 vid) 5266e94d4478SAnirudh Venkataramanan { 5267e94d4478SAnirudh Venkataramanan int err; 5268e94d4478SAnirudh Venkataramanan 5269e94d4478SAnirudh Venkataramanan if (ndm->ndm_state & NUD_PERMANENT) { 5270e94d4478SAnirudh Venkataramanan netdev_err(dev, "FDB only supports static addresses\n"); 5271e94d4478SAnirudh Venkataramanan return -EINVAL; 5272e94d4478SAnirudh Venkataramanan } 5273e94d4478SAnirudh Venkataramanan 5274e94d4478SAnirudh Venkataramanan if (is_unicast_ether_addr(addr)) 5275e94d4478SAnirudh Venkataramanan err = dev_uc_del(dev, addr); 5276e94d4478SAnirudh Venkataramanan else if (is_multicast_ether_addr(addr)) 5277e94d4478SAnirudh Venkataramanan err = dev_mc_del(dev, addr); 5278e94d4478SAnirudh Venkataramanan else 5279e94d4478SAnirudh Venkataramanan err = -EINVAL; 5280e94d4478SAnirudh Venkataramanan 5281e94d4478SAnirudh Venkataramanan return err; 5282e94d4478SAnirudh Venkataramanan } 5283e94d4478SAnirudh Venkataramanan 5284e94d4478SAnirudh Venkataramanan /** 5285d76a60baSAnirudh Venkataramanan * ice_set_features - set the netdev feature flags 5286d76a60baSAnirudh Venkataramanan * @netdev: ptr to the netdev being adjusted 5287d76a60baSAnirudh Venkataramanan * @features: the feature set that the stack is suggesting 5288d76a60baSAnirudh Venkataramanan */ 5289c8b7abddSBruce Allan static int 5290c8b7abddSBruce Allan ice_set_features(struct net_device *netdev, netdev_features_t features) 5291d76a60baSAnirudh Venkataramanan { 5292d76a60baSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 5293d76a60baSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 52945f8cc355SHenry Tieman struct ice_pf *pf = vsi->back; 5295d76a60baSAnirudh Venkataramanan int ret = 0; 5296d76a60baSAnirudh Venkataramanan 5297462acf6aSTony Nguyen /* Don't set any netdev advanced features with device in Safe Mode */ 5298462acf6aSTony Nguyen if (ice_is_safe_mode(vsi->back)) { 529919cce2c6SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "Device is in Safe Mode - not enabling advanced netdev features\n"); 5300462acf6aSTony Nguyen return ret; 5301462acf6aSTony Nguyen } 5302462acf6aSTony Nguyen 53035f8cc355SHenry Tieman /* Do not change setting during reset */ 53045f8cc355SHenry Tieman if (ice_is_reset_in_progress(pf->state)) { 530519cce2c6SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "Device is resetting, changing advanced netdev features temporarily unavailable.\n"); 53065f8cc355SHenry Tieman return -EBUSY; 53075f8cc355SHenry Tieman } 53085f8cc355SHenry Tieman 53098f529ff9STony Nguyen /* Multiple features can be changed in one call so keep features in 53108f529ff9STony Nguyen * separate if/else statements to guarantee each feature is checked 53118f529ff9STony Nguyen */ 5312492af0abSMd Fahad Iqbal Polash if (features & NETIF_F_RXHASH && !(netdev->features & NETIF_F_RXHASH)) 53134fe36226SPaul M Stillwell Jr ice_vsi_manage_rss_lut(vsi, true); 5314492af0abSMd Fahad Iqbal Polash else if (!(features & NETIF_F_RXHASH) && 5315492af0abSMd Fahad Iqbal Polash netdev->features & NETIF_F_RXHASH) 53164fe36226SPaul M Stillwell Jr ice_vsi_manage_rss_lut(vsi, false); 5317492af0abSMd Fahad Iqbal Polash 5318d76a60baSAnirudh Venkataramanan if ((features & NETIF_F_HW_VLAN_CTAG_RX) && 5319d76a60baSAnirudh Venkataramanan !(netdev->features & NETIF_F_HW_VLAN_CTAG_RX)) 5320d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_stripping(vsi, true); 5321d76a60baSAnirudh Venkataramanan else if (!(features & NETIF_F_HW_VLAN_CTAG_RX) && 5322d76a60baSAnirudh Venkataramanan (netdev->features & NETIF_F_HW_VLAN_CTAG_RX)) 5323d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_stripping(vsi, false); 53248f529ff9STony Nguyen 53258f529ff9STony Nguyen if ((features & NETIF_F_HW_VLAN_CTAG_TX) && 5326d76a60baSAnirudh Venkataramanan !(netdev->features & NETIF_F_HW_VLAN_CTAG_TX)) 5327d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_insertion(vsi); 5328d76a60baSAnirudh Venkataramanan else if (!(features & NETIF_F_HW_VLAN_CTAG_TX) && 5329d76a60baSAnirudh Venkataramanan (netdev->features & NETIF_F_HW_VLAN_CTAG_TX)) 5330d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_insertion(vsi); 5331d76a60baSAnirudh Venkataramanan 53323171948eSTony Nguyen if ((features & NETIF_F_HW_VLAN_CTAG_FILTER) && 53333171948eSTony Nguyen !(netdev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) 53343171948eSTony Nguyen ret = ice_cfg_vlan_pruning(vsi, true, false); 53353171948eSTony Nguyen else if (!(features & NETIF_F_HW_VLAN_CTAG_FILTER) && 53363171948eSTony Nguyen (netdev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) 53373171948eSTony Nguyen ret = ice_cfg_vlan_pruning(vsi, false, false); 53383171948eSTony Nguyen 5339148beb61SHenry Tieman if ((features & NETIF_F_NTUPLE) && 534028bf2672SBrett Creeley !(netdev->features & NETIF_F_NTUPLE)) { 5341148beb61SHenry Tieman ice_vsi_manage_fdir(vsi, true); 534228bf2672SBrett Creeley ice_init_arfs(vsi); 534328bf2672SBrett Creeley } else if (!(features & NETIF_F_NTUPLE) && 534428bf2672SBrett Creeley (netdev->features & NETIF_F_NTUPLE)) { 5345148beb61SHenry Tieman ice_vsi_manage_fdir(vsi, false); 534628bf2672SBrett Creeley ice_clear_arfs(vsi); 534728bf2672SBrett Creeley } 5348148beb61SHenry Tieman 5349d76a60baSAnirudh Venkataramanan return ret; 5350d76a60baSAnirudh Venkataramanan } 5351d76a60baSAnirudh Venkataramanan 5352d76a60baSAnirudh Venkataramanan /** 5353f9867df6SAnirudh Venkataramanan * ice_vsi_vlan_setup - Setup VLAN offload properties on a VSI 5354f9867df6SAnirudh Venkataramanan * @vsi: VSI to setup VLAN properties for 5355d76a60baSAnirudh Venkataramanan */ 5356d76a60baSAnirudh Venkataramanan static int ice_vsi_vlan_setup(struct ice_vsi *vsi) 5357d76a60baSAnirudh Venkataramanan { 5358d76a60baSAnirudh Venkataramanan int ret = 0; 5359d76a60baSAnirudh Venkataramanan 5360d76a60baSAnirudh Venkataramanan if (vsi->netdev->features & NETIF_F_HW_VLAN_CTAG_RX) 5361d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_stripping(vsi, true); 5362d76a60baSAnirudh Venkataramanan if (vsi->netdev->features & NETIF_F_HW_VLAN_CTAG_TX) 5363d76a60baSAnirudh Venkataramanan ret = ice_vsi_manage_vlan_insertion(vsi); 5364d76a60baSAnirudh Venkataramanan 5365d76a60baSAnirudh Venkataramanan return ret; 5366d76a60baSAnirudh Venkataramanan } 5367d76a60baSAnirudh Venkataramanan 5368d76a60baSAnirudh Venkataramanan /** 5369cdedef59SAnirudh Venkataramanan * ice_vsi_cfg - Setup the VSI 5370cdedef59SAnirudh Venkataramanan * @vsi: the VSI being configured 5371cdedef59SAnirudh Venkataramanan * 5372cdedef59SAnirudh Venkataramanan * Return 0 on success and negative value on error 5373cdedef59SAnirudh Venkataramanan */ 53740e674aebSAnirudh Venkataramanan int ice_vsi_cfg(struct ice_vsi *vsi) 5375cdedef59SAnirudh Venkataramanan { 5376cdedef59SAnirudh Venkataramanan int err; 5377cdedef59SAnirudh Venkataramanan 5378c7f2c42bSAnirudh Venkataramanan if (vsi->netdev) { 5379e94d4478SAnirudh Venkataramanan ice_set_rx_mode(vsi->netdev); 53809ecd25c2SAnirudh Venkataramanan 53819ecd25c2SAnirudh Venkataramanan err = ice_vsi_vlan_setup(vsi); 53829ecd25c2SAnirudh Venkataramanan 5383d76a60baSAnirudh Venkataramanan if (err) 5384d76a60baSAnirudh Venkataramanan return err; 5385c7f2c42bSAnirudh Venkataramanan } 5386a629cf0aSAnirudh Venkataramanan ice_vsi_cfg_dcb_rings(vsi); 538703f7a986SAnirudh Venkataramanan 538803f7a986SAnirudh Venkataramanan err = ice_vsi_cfg_lan_txqs(vsi); 5389efc2214bSMaciej Fijalkowski if (!err && ice_is_xdp_ena_vsi(vsi)) 5390efc2214bSMaciej Fijalkowski err = ice_vsi_cfg_xdp_txqs(vsi); 5391cdedef59SAnirudh Venkataramanan if (!err) 5392cdedef59SAnirudh Venkataramanan err = ice_vsi_cfg_rxqs(vsi); 5393cdedef59SAnirudh Venkataramanan 5394cdedef59SAnirudh Venkataramanan return err; 5395cdedef59SAnirudh Venkataramanan } 5396cdedef59SAnirudh Venkataramanan 5397cdf1f1f1SJacob Keller /* THEORY OF MODERATION: 5398cdf1f1f1SJacob Keller * The below code creates custom DIM profiles for use by this driver, because 5399cdf1f1f1SJacob Keller * the ice driver hardware works differently than the hardware that DIMLIB was 5400cdf1f1f1SJacob Keller * originally made for. ice hardware doesn't have packet count limits that 5401cdf1f1f1SJacob Keller * can trigger an interrupt, but it *does* have interrupt rate limit support, 5402cdf1f1f1SJacob Keller * and this code adds that capability to be used by the driver when it's using 5403cdf1f1f1SJacob Keller * DIMLIB. The DIMLIB code was always designed to be a suggestion to the driver 5404cdf1f1f1SJacob Keller * for how to "respond" to traffic and interrupts, so this driver uses a 5405cdf1f1f1SJacob Keller * slightly different set of moderation parameters to get best performance. 5406cdf1f1f1SJacob Keller */ 5407cdf1f1f1SJacob Keller struct ice_dim { 5408cdf1f1f1SJacob Keller /* the throttle rate for interrupts, basically worst case delay before 5409cdf1f1f1SJacob Keller * an initial interrupt fires, value is stored in microseconds. 5410cdf1f1f1SJacob Keller */ 5411cdf1f1f1SJacob Keller u16 itr; 5412cdf1f1f1SJacob Keller /* the rate limit for interrupts, which can cap a delay from a small 5413cdf1f1f1SJacob Keller * ITR at a certain amount of interrupts per second. f.e. a 2us ITR 5414cdf1f1f1SJacob Keller * could yield as much as 500,000 interrupts per second, but with a 5415cdf1f1f1SJacob Keller * 10us rate limit, it limits to 100,000 interrupts per second. Value 5416cdf1f1f1SJacob Keller * is stored in microseconds. 5417cdf1f1f1SJacob Keller */ 5418cdf1f1f1SJacob Keller u16 intrl; 5419cdf1f1f1SJacob Keller }; 5420cdf1f1f1SJacob Keller 5421cdf1f1f1SJacob Keller /* Make a different profile for Rx that doesn't allow quite so aggressive 5422cdf1f1f1SJacob Keller * moderation at the high end (it maxes out at 128us or about 8k interrupts a 5423cdf1f1f1SJacob Keller * second. The INTRL/rate parameters here are only useful to cap small ITR 5424cdf1f1f1SJacob Keller * values, which is why for larger ITR's - like 128, which can only generate 5425cdf1f1f1SJacob Keller * 8k interrupts per second, there is no point to rate limit and the values 5426cdf1f1f1SJacob Keller * are set to zero. The rate limit values do affect latency, and so must 5427cdf1f1f1SJacob Keller * be reasonably small so to not impact latency sensitive tests. 5428cdf1f1f1SJacob Keller */ 5429cdf1f1f1SJacob Keller static const struct ice_dim rx_profile[] = { 5430cdf1f1f1SJacob Keller {2, 10}, 5431cdf1f1f1SJacob Keller {8, 16}, 5432cdf1f1f1SJacob Keller {32, 0}, 5433cdf1f1f1SJacob Keller {96, 0}, 5434cdf1f1f1SJacob Keller {128, 0} 5435cdf1f1f1SJacob Keller }; 5436cdf1f1f1SJacob Keller 5437cdf1f1f1SJacob Keller /* The transmit profile, which has the same sorts of values 5438cdf1f1f1SJacob Keller * as the previous struct 5439cdf1f1f1SJacob Keller */ 5440cdf1f1f1SJacob Keller static const struct ice_dim tx_profile[] = { 5441cdf1f1f1SJacob Keller {2, 10}, 5442cdf1f1f1SJacob Keller {8, 16}, 5443cdf1f1f1SJacob Keller {64, 0}, 5444cdf1f1f1SJacob Keller {128, 0}, 5445cdf1f1f1SJacob Keller {256, 0} 5446cdf1f1f1SJacob Keller }; 5447cdf1f1f1SJacob Keller 5448cdf1f1f1SJacob Keller static void ice_tx_dim_work(struct work_struct *work) 5449cdf1f1f1SJacob Keller { 5450cdf1f1f1SJacob Keller struct ice_ring_container *rc; 5451cdf1f1f1SJacob Keller struct ice_q_vector *q_vector; 5452cdf1f1f1SJacob Keller struct dim *dim; 5453cdf1f1f1SJacob Keller u16 itr, intrl; 5454cdf1f1f1SJacob Keller 5455cdf1f1f1SJacob Keller dim = container_of(work, struct dim, work); 5456cdf1f1f1SJacob Keller rc = container_of(dim, struct ice_ring_container, dim); 5457cdf1f1f1SJacob Keller q_vector = container_of(rc, struct ice_q_vector, tx); 5458cdf1f1f1SJacob Keller 5459cdf1f1f1SJacob Keller if (dim->profile_ix >= ARRAY_SIZE(tx_profile)) 5460cdf1f1f1SJacob Keller dim->profile_ix = ARRAY_SIZE(tx_profile) - 1; 5461cdf1f1f1SJacob Keller 5462cdf1f1f1SJacob Keller /* look up the values in our local table */ 5463cdf1f1f1SJacob Keller itr = tx_profile[dim->profile_ix].itr; 5464cdf1f1f1SJacob Keller intrl = tx_profile[dim->profile_ix].intrl; 5465cdf1f1f1SJacob Keller 5466cdf1f1f1SJacob Keller ice_write_itr(rc, itr); 5467cdf1f1f1SJacob Keller ice_write_intrl(q_vector, intrl); 5468cdf1f1f1SJacob Keller 5469cdf1f1f1SJacob Keller dim->state = DIM_START_MEASURE; 5470cdf1f1f1SJacob Keller } 5471cdf1f1f1SJacob Keller 5472cdf1f1f1SJacob Keller static void ice_rx_dim_work(struct work_struct *work) 5473cdf1f1f1SJacob Keller { 5474cdf1f1f1SJacob Keller struct ice_ring_container *rc; 5475cdf1f1f1SJacob Keller struct ice_q_vector *q_vector; 5476cdf1f1f1SJacob Keller struct dim *dim; 5477cdf1f1f1SJacob Keller u16 itr, intrl; 5478cdf1f1f1SJacob Keller 5479cdf1f1f1SJacob Keller dim = container_of(work, struct dim, work); 5480cdf1f1f1SJacob Keller rc = container_of(dim, struct ice_ring_container, dim); 5481cdf1f1f1SJacob Keller q_vector = container_of(rc, struct ice_q_vector, rx); 5482cdf1f1f1SJacob Keller 5483cdf1f1f1SJacob Keller if (dim->profile_ix >= ARRAY_SIZE(rx_profile)) 5484cdf1f1f1SJacob Keller dim->profile_ix = ARRAY_SIZE(rx_profile) - 1; 5485cdf1f1f1SJacob Keller 5486cdf1f1f1SJacob Keller /* look up the values in our local table */ 5487cdf1f1f1SJacob Keller itr = rx_profile[dim->profile_ix].itr; 5488cdf1f1f1SJacob Keller intrl = rx_profile[dim->profile_ix].intrl; 5489cdf1f1f1SJacob Keller 5490cdf1f1f1SJacob Keller ice_write_itr(rc, itr); 5491cdf1f1f1SJacob Keller ice_write_intrl(q_vector, intrl); 5492cdf1f1f1SJacob Keller 5493cdf1f1f1SJacob Keller dim->state = DIM_START_MEASURE; 5494cdf1f1f1SJacob Keller } 5495cdf1f1f1SJacob Keller 5496cdedef59SAnirudh Venkataramanan /** 54972b245cb2SAnirudh Venkataramanan * ice_napi_enable_all - Enable NAPI for all q_vectors in the VSI 54982b245cb2SAnirudh Venkataramanan * @vsi: the VSI being configured 54992b245cb2SAnirudh Venkataramanan */ 55002b245cb2SAnirudh Venkataramanan static void ice_napi_enable_all(struct ice_vsi *vsi) 55012b245cb2SAnirudh Venkataramanan { 55022b245cb2SAnirudh Venkataramanan int q_idx; 55032b245cb2SAnirudh Venkataramanan 55042b245cb2SAnirudh Venkataramanan if (!vsi->netdev) 55052b245cb2SAnirudh Venkataramanan return; 55062b245cb2SAnirudh Venkataramanan 55070c2561c8SBrett Creeley ice_for_each_q_vector(vsi, q_idx) { 5508eec90376SYoung Xiao struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 5509eec90376SYoung Xiao 5510cdf1f1f1SJacob Keller INIT_WORK(&q_vector->tx.dim.work, ice_tx_dim_work); 5511cdf1f1f1SJacob Keller q_vector->tx.dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE; 5512cdf1f1f1SJacob Keller 5513cdf1f1f1SJacob Keller INIT_WORK(&q_vector->rx.dim.work, ice_rx_dim_work); 5514cdf1f1f1SJacob Keller q_vector->rx.dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE; 5515cdf1f1f1SJacob Keller 5516eec90376SYoung Xiao if (q_vector->rx.ring || q_vector->tx.ring) 5517eec90376SYoung Xiao napi_enable(&q_vector->napi); 5518eec90376SYoung Xiao } 55192b245cb2SAnirudh Venkataramanan } 55202b245cb2SAnirudh Venkataramanan 55212b245cb2SAnirudh Venkataramanan /** 5522cdedef59SAnirudh Venkataramanan * ice_up_complete - Finish the last steps of bringing up a connection 5523cdedef59SAnirudh Venkataramanan * @vsi: The VSI being configured 5524cdedef59SAnirudh Venkataramanan * 5525cdedef59SAnirudh Venkataramanan * Return 0 on success and negative value on error 5526cdedef59SAnirudh Venkataramanan */ 5527cdedef59SAnirudh Venkataramanan static int ice_up_complete(struct ice_vsi *vsi) 5528cdedef59SAnirudh Venkataramanan { 5529cdedef59SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 5530cdedef59SAnirudh Venkataramanan int err; 5531cdedef59SAnirudh Venkataramanan 5532cdedef59SAnirudh Venkataramanan ice_vsi_cfg_msix(vsi); 5533cdedef59SAnirudh Venkataramanan 5534cdedef59SAnirudh Venkataramanan /* Enable only Rx rings, Tx rings were enabled by the FW when the 5535cdedef59SAnirudh Venkataramanan * Tx queue group list was configured and the context bits were 5536cdedef59SAnirudh Venkataramanan * programmed using ice_vsi_cfg_txqs 5537cdedef59SAnirudh Venkataramanan */ 553813a6233bSBrett Creeley err = ice_vsi_start_all_rx_rings(vsi); 5539cdedef59SAnirudh Venkataramanan if (err) 5540cdedef59SAnirudh Venkataramanan return err; 5541cdedef59SAnirudh Venkataramanan 5542e97fb1aeSAnirudh Venkataramanan clear_bit(ICE_VSI_DOWN, vsi->state); 55432b245cb2SAnirudh Venkataramanan ice_napi_enable_all(vsi); 5544cdedef59SAnirudh Venkataramanan ice_vsi_ena_irq(vsi); 5545cdedef59SAnirudh Venkataramanan 5546cdedef59SAnirudh Venkataramanan if (vsi->port_info && 5547cdedef59SAnirudh Venkataramanan (vsi->port_info->phy.link_info.link_info & ICE_AQ_LINK_UP) && 5548cdedef59SAnirudh Venkataramanan vsi->netdev) { 5549cdedef59SAnirudh Venkataramanan ice_print_link_msg(vsi, true); 5550cdedef59SAnirudh Venkataramanan netif_tx_start_all_queues(vsi->netdev); 5551cdedef59SAnirudh Venkataramanan netif_carrier_on(vsi->netdev); 5552cdedef59SAnirudh Venkataramanan } 5553cdedef59SAnirudh Venkataramanan 5554cdedef59SAnirudh Venkataramanan ice_service_task_schedule(pf); 5555cdedef59SAnirudh Venkataramanan 55561b5c19c7SBruce Allan return 0; 5557cdedef59SAnirudh Venkataramanan } 5558cdedef59SAnirudh Venkataramanan 5559cdedef59SAnirudh Venkataramanan /** 5560fcea6f3dSAnirudh Venkataramanan * ice_up - Bring the connection back up after being down 5561fcea6f3dSAnirudh Venkataramanan * @vsi: VSI being configured 5562fcea6f3dSAnirudh Venkataramanan */ 5563fcea6f3dSAnirudh Venkataramanan int ice_up(struct ice_vsi *vsi) 5564fcea6f3dSAnirudh Venkataramanan { 5565fcea6f3dSAnirudh Venkataramanan int err; 5566fcea6f3dSAnirudh Venkataramanan 5567fcea6f3dSAnirudh Venkataramanan err = ice_vsi_cfg(vsi); 5568fcea6f3dSAnirudh Venkataramanan if (!err) 5569fcea6f3dSAnirudh Venkataramanan err = ice_up_complete(vsi); 5570fcea6f3dSAnirudh Venkataramanan 5571fcea6f3dSAnirudh Venkataramanan return err; 5572fcea6f3dSAnirudh Venkataramanan } 5573fcea6f3dSAnirudh Venkataramanan 5574fcea6f3dSAnirudh Venkataramanan /** 5575fcea6f3dSAnirudh Venkataramanan * ice_fetch_u64_stats_per_ring - get packets and bytes stats per ring 5576fcea6f3dSAnirudh Venkataramanan * @ring: Tx or Rx ring to read stats from 5577fcea6f3dSAnirudh Venkataramanan * @pkts: packets stats counter 5578fcea6f3dSAnirudh Venkataramanan * @bytes: bytes stats counter 5579fcea6f3dSAnirudh Venkataramanan * 5580fcea6f3dSAnirudh Venkataramanan * This function fetches stats from the ring considering the atomic operations 5581fcea6f3dSAnirudh Venkataramanan * that needs to be performed to read u64 values in 32 bit machine. 5582fcea6f3dSAnirudh Venkataramanan */ 5583c8b7abddSBruce Allan static void 5584c8b7abddSBruce Allan ice_fetch_u64_stats_per_ring(struct ice_ring *ring, u64 *pkts, u64 *bytes) 5585fcea6f3dSAnirudh Venkataramanan { 5586fcea6f3dSAnirudh Venkataramanan unsigned int start; 5587fcea6f3dSAnirudh Venkataramanan *pkts = 0; 5588fcea6f3dSAnirudh Venkataramanan *bytes = 0; 5589fcea6f3dSAnirudh Venkataramanan 5590fcea6f3dSAnirudh Venkataramanan if (!ring) 5591fcea6f3dSAnirudh Venkataramanan return; 5592fcea6f3dSAnirudh Venkataramanan do { 5593fcea6f3dSAnirudh Venkataramanan start = u64_stats_fetch_begin_irq(&ring->syncp); 5594fcea6f3dSAnirudh Venkataramanan *pkts = ring->stats.pkts; 5595fcea6f3dSAnirudh Venkataramanan *bytes = ring->stats.bytes; 5596fcea6f3dSAnirudh Venkataramanan } while (u64_stats_fetch_retry_irq(&ring->syncp, start)); 5597fcea6f3dSAnirudh Venkataramanan } 5598fcea6f3dSAnirudh Venkataramanan 5599fcea6f3dSAnirudh Venkataramanan /** 560049d358e0SMarta Plantykow * ice_update_vsi_tx_ring_stats - Update VSI Tx ring stats counters 560149d358e0SMarta Plantykow * @vsi: the VSI to be updated 560249d358e0SMarta Plantykow * @rings: rings to work on 560349d358e0SMarta Plantykow * @count: number of rings 560449d358e0SMarta Plantykow */ 560549d358e0SMarta Plantykow static void 560649d358e0SMarta Plantykow ice_update_vsi_tx_ring_stats(struct ice_vsi *vsi, struct ice_ring **rings, 560749d358e0SMarta Plantykow u16 count) 560849d358e0SMarta Plantykow { 560949d358e0SMarta Plantykow struct rtnl_link_stats64 *vsi_stats = &vsi->net_stats; 561049d358e0SMarta Plantykow u16 i; 561149d358e0SMarta Plantykow 561249d358e0SMarta Plantykow for (i = 0; i < count; i++) { 561349d358e0SMarta Plantykow struct ice_ring *ring; 561449d358e0SMarta Plantykow u64 pkts, bytes; 561549d358e0SMarta Plantykow 561649d358e0SMarta Plantykow ring = READ_ONCE(rings[i]); 561749d358e0SMarta Plantykow ice_fetch_u64_stats_per_ring(ring, &pkts, &bytes); 561849d358e0SMarta Plantykow vsi_stats->tx_packets += pkts; 561949d358e0SMarta Plantykow vsi_stats->tx_bytes += bytes; 562049d358e0SMarta Plantykow vsi->tx_restart += ring->tx_stats.restart_q; 562149d358e0SMarta Plantykow vsi->tx_busy += ring->tx_stats.tx_busy; 562249d358e0SMarta Plantykow vsi->tx_linearize += ring->tx_stats.tx_linearize; 562349d358e0SMarta Plantykow } 562449d358e0SMarta Plantykow } 562549d358e0SMarta Plantykow 562649d358e0SMarta Plantykow /** 5627fcea6f3dSAnirudh Venkataramanan * ice_update_vsi_ring_stats - Update VSI stats counters 5628fcea6f3dSAnirudh Venkataramanan * @vsi: the VSI to be updated 5629fcea6f3dSAnirudh Venkataramanan */ 5630fcea6f3dSAnirudh Venkataramanan static void ice_update_vsi_ring_stats(struct ice_vsi *vsi) 5631fcea6f3dSAnirudh Venkataramanan { 5632fcea6f3dSAnirudh Venkataramanan struct rtnl_link_stats64 *vsi_stats = &vsi->net_stats; 5633fcea6f3dSAnirudh Venkataramanan u64 pkts, bytes; 5634fcea6f3dSAnirudh Venkataramanan int i; 5635fcea6f3dSAnirudh Venkataramanan 5636fcea6f3dSAnirudh Venkataramanan /* reset netdev stats */ 5637fcea6f3dSAnirudh Venkataramanan vsi_stats->tx_packets = 0; 5638fcea6f3dSAnirudh Venkataramanan vsi_stats->tx_bytes = 0; 5639fcea6f3dSAnirudh Venkataramanan vsi_stats->rx_packets = 0; 5640fcea6f3dSAnirudh Venkataramanan vsi_stats->rx_bytes = 0; 5641fcea6f3dSAnirudh Venkataramanan 5642fcea6f3dSAnirudh Venkataramanan /* reset non-netdev (extended) stats */ 5643fcea6f3dSAnirudh Venkataramanan vsi->tx_restart = 0; 5644fcea6f3dSAnirudh Venkataramanan vsi->tx_busy = 0; 5645fcea6f3dSAnirudh Venkataramanan vsi->tx_linearize = 0; 5646fcea6f3dSAnirudh Venkataramanan vsi->rx_buf_failed = 0; 5647fcea6f3dSAnirudh Venkataramanan vsi->rx_page_failed = 0; 5648fcea6f3dSAnirudh Venkataramanan 5649fcea6f3dSAnirudh Venkataramanan rcu_read_lock(); 5650fcea6f3dSAnirudh Venkataramanan 5651fcea6f3dSAnirudh Venkataramanan /* update Tx rings counters */ 565249d358e0SMarta Plantykow ice_update_vsi_tx_ring_stats(vsi, vsi->tx_rings, vsi->num_txq); 5653fcea6f3dSAnirudh Venkataramanan 5654fcea6f3dSAnirudh Venkataramanan /* update Rx rings counters */ 5655fcea6f3dSAnirudh Venkataramanan ice_for_each_rxq(vsi, i) { 5656b6b0501dSPaul M Stillwell Jr struct ice_ring *ring = READ_ONCE(vsi->rx_rings[i]); 5657b6b0501dSPaul M Stillwell Jr 5658fcea6f3dSAnirudh Venkataramanan ice_fetch_u64_stats_per_ring(ring, &pkts, &bytes); 5659fcea6f3dSAnirudh Venkataramanan vsi_stats->rx_packets += pkts; 5660fcea6f3dSAnirudh Venkataramanan vsi_stats->rx_bytes += bytes; 5661fcea6f3dSAnirudh Venkataramanan vsi->rx_buf_failed += ring->rx_stats.alloc_buf_failed; 5662fcea6f3dSAnirudh Venkataramanan vsi->rx_page_failed += ring->rx_stats.alloc_page_failed; 5663fcea6f3dSAnirudh Venkataramanan } 5664fcea6f3dSAnirudh Venkataramanan 566549d358e0SMarta Plantykow /* update XDP Tx rings counters */ 566649d358e0SMarta Plantykow if (ice_is_xdp_ena_vsi(vsi)) 566749d358e0SMarta Plantykow ice_update_vsi_tx_ring_stats(vsi, vsi->xdp_rings, 566849d358e0SMarta Plantykow vsi->num_xdp_txq); 566949d358e0SMarta Plantykow 5670fcea6f3dSAnirudh Venkataramanan rcu_read_unlock(); 5671fcea6f3dSAnirudh Venkataramanan } 5672fcea6f3dSAnirudh Venkataramanan 5673fcea6f3dSAnirudh Venkataramanan /** 5674fcea6f3dSAnirudh Venkataramanan * ice_update_vsi_stats - Update VSI stats counters 5675fcea6f3dSAnirudh Venkataramanan * @vsi: the VSI to be updated 5676fcea6f3dSAnirudh Venkataramanan */ 56775a4a8673SBruce Allan void ice_update_vsi_stats(struct ice_vsi *vsi) 5678fcea6f3dSAnirudh Venkataramanan { 5679fcea6f3dSAnirudh Venkataramanan struct rtnl_link_stats64 *cur_ns = &vsi->net_stats; 5680fcea6f3dSAnirudh Venkataramanan struct ice_eth_stats *cur_es = &vsi->eth_stats; 5681fcea6f3dSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 5682fcea6f3dSAnirudh Venkataramanan 5683e97fb1aeSAnirudh Venkataramanan if (test_bit(ICE_VSI_DOWN, vsi->state) || 56847e408e07SAnirudh Venkataramanan test_bit(ICE_CFG_BUSY, pf->state)) 5685fcea6f3dSAnirudh Venkataramanan return; 5686fcea6f3dSAnirudh Venkataramanan 5687fcea6f3dSAnirudh Venkataramanan /* get stats as recorded by Tx/Rx rings */ 5688fcea6f3dSAnirudh Venkataramanan ice_update_vsi_ring_stats(vsi); 5689fcea6f3dSAnirudh Venkataramanan 5690fcea6f3dSAnirudh Venkataramanan /* get VSI stats as recorded by the hardware */ 5691fcea6f3dSAnirudh Venkataramanan ice_update_eth_stats(vsi); 5692fcea6f3dSAnirudh Venkataramanan 5693fcea6f3dSAnirudh Venkataramanan cur_ns->tx_errors = cur_es->tx_errors; 569451fe27e1SAnirudh Venkataramanan cur_ns->rx_dropped = cur_es->rx_discards; 5695fcea6f3dSAnirudh Venkataramanan cur_ns->tx_dropped = cur_es->tx_discards; 5696fcea6f3dSAnirudh Venkataramanan cur_ns->multicast = cur_es->rx_multicast; 5697fcea6f3dSAnirudh Venkataramanan 5698fcea6f3dSAnirudh Venkataramanan /* update some more netdev stats if this is main VSI */ 5699fcea6f3dSAnirudh Venkataramanan if (vsi->type == ICE_VSI_PF) { 5700fcea6f3dSAnirudh Venkataramanan cur_ns->rx_crc_errors = pf->stats.crc_errors; 5701fcea6f3dSAnirudh Venkataramanan cur_ns->rx_errors = pf->stats.crc_errors + 57024f1fe43cSBrett Creeley pf->stats.illegal_bytes + 57034f1fe43cSBrett Creeley pf->stats.rx_len_errors + 57044f1fe43cSBrett Creeley pf->stats.rx_undersize + 57054f1fe43cSBrett Creeley pf->hw_csum_rx_error + 57064f1fe43cSBrett Creeley pf->stats.rx_jabber + 57074f1fe43cSBrett Creeley pf->stats.rx_fragments + 57084f1fe43cSBrett Creeley pf->stats.rx_oversize; 5709fcea6f3dSAnirudh Venkataramanan cur_ns->rx_length_errors = pf->stats.rx_len_errors; 571056923ab6SBrett Creeley /* record drops from the port level */ 571156923ab6SBrett Creeley cur_ns->rx_missed_errors = pf->stats.eth.rx_discards; 5712fcea6f3dSAnirudh Venkataramanan } 5713fcea6f3dSAnirudh Venkataramanan } 5714fcea6f3dSAnirudh Venkataramanan 5715fcea6f3dSAnirudh Venkataramanan /** 5716fcea6f3dSAnirudh Venkataramanan * ice_update_pf_stats - Update PF port stats counters 5717fcea6f3dSAnirudh Venkataramanan * @pf: PF whose stats needs to be updated 5718fcea6f3dSAnirudh Venkataramanan */ 57195a4a8673SBruce Allan void ice_update_pf_stats(struct ice_pf *pf) 5720fcea6f3dSAnirudh Venkataramanan { 5721fcea6f3dSAnirudh Venkataramanan struct ice_hw_port_stats *prev_ps, *cur_ps; 5722fcea6f3dSAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 57234ab95646SHenry Tieman u16 fd_ctr_base; 57249e7a5d17SUsha Ketineni u8 port; 5725fcea6f3dSAnirudh Venkataramanan 57269e7a5d17SUsha Ketineni port = hw->port_info->lport; 5727fcea6f3dSAnirudh Venkataramanan prev_ps = &pf->stats_prev; 5728fcea6f3dSAnirudh Venkataramanan cur_ps = &pf->stats; 5729fcea6f3dSAnirudh Venkataramanan 57309e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_GORCL(port), pf->stat_prev_loaded, 573136517fd3SJacob Keller &prev_ps->eth.rx_bytes, 5732fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_bytes); 5733fcea6f3dSAnirudh Venkataramanan 57349e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_UPRCL(port), pf->stat_prev_loaded, 573536517fd3SJacob Keller &prev_ps->eth.rx_unicast, 5736fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_unicast); 5737fcea6f3dSAnirudh Venkataramanan 57389e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_MPRCL(port), pf->stat_prev_loaded, 573936517fd3SJacob Keller &prev_ps->eth.rx_multicast, 5740fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_multicast); 5741fcea6f3dSAnirudh Venkataramanan 57429e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_BPRCL(port), pf->stat_prev_loaded, 574336517fd3SJacob Keller &prev_ps->eth.rx_broadcast, 5744fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.rx_broadcast); 5745fcea6f3dSAnirudh Venkataramanan 574656923ab6SBrett Creeley ice_stat_update32(hw, PRTRPB_RDPC, pf->stat_prev_loaded, 574756923ab6SBrett Creeley &prev_ps->eth.rx_discards, 574856923ab6SBrett Creeley &cur_ps->eth.rx_discards); 574956923ab6SBrett Creeley 57509e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_GOTCL(port), pf->stat_prev_loaded, 575136517fd3SJacob Keller &prev_ps->eth.tx_bytes, 5752fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_bytes); 5753fcea6f3dSAnirudh Venkataramanan 57549e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_UPTCL(port), pf->stat_prev_loaded, 575536517fd3SJacob Keller &prev_ps->eth.tx_unicast, 5756fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_unicast); 5757fcea6f3dSAnirudh Venkataramanan 57589e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_MPTCL(port), pf->stat_prev_loaded, 575936517fd3SJacob Keller &prev_ps->eth.tx_multicast, 5760fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_multicast); 5761fcea6f3dSAnirudh Venkataramanan 57629e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_BPTCL(port), pf->stat_prev_loaded, 576336517fd3SJacob Keller &prev_ps->eth.tx_broadcast, 5764fcea6f3dSAnirudh Venkataramanan &cur_ps->eth.tx_broadcast); 5765fcea6f3dSAnirudh Venkataramanan 57669e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_TDOLD(port), pf->stat_prev_loaded, 5767fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_dropped_link_down, 5768fcea6f3dSAnirudh Venkataramanan &cur_ps->tx_dropped_link_down); 5769fcea6f3dSAnirudh Venkataramanan 57709e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC64L(port), pf->stat_prev_loaded, 577136517fd3SJacob Keller &prev_ps->rx_size_64, &cur_ps->rx_size_64); 5772fcea6f3dSAnirudh Venkataramanan 57739e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC127L(port), pf->stat_prev_loaded, 577436517fd3SJacob Keller &prev_ps->rx_size_127, &cur_ps->rx_size_127); 5775fcea6f3dSAnirudh Venkataramanan 57769e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC255L(port), pf->stat_prev_loaded, 577736517fd3SJacob Keller &prev_ps->rx_size_255, &cur_ps->rx_size_255); 5778fcea6f3dSAnirudh Venkataramanan 57799e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC511L(port), pf->stat_prev_loaded, 578036517fd3SJacob Keller &prev_ps->rx_size_511, &cur_ps->rx_size_511); 5781fcea6f3dSAnirudh Venkataramanan 57829e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC1023L(port), pf->stat_prev_loaded, 5783fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_size_1023, &cur_ps->rx_size_1023); 5784fcea6f3dSAnirudh Venkataramanan 57859e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC1522L(port), pf->stat_prev_loaded, 5786fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_size_1522, &cur_ps->rx_size_1522); 5787fcea6f3dSAnirudh Venkataramanan 57889e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PRC9522L(port), pf->stat_prev_loaded, 5789fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_size_big, &cur_ps->rx_size_big); 5790fcea6f3dSAnirudh Venkataramanan 57919e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC64L(port), pf->stat_prev_loaded, 579236517fd3SJacob Keller &prev_ps->tx_size_64, &cur_ps->tx_size_64); 5793fcea6f3dSAnirudh Venkataramanan 57949e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC127L(port), pf->stat_prev_loaded, 579536517fd3SJacob Keller &prev_ps->tx_size_127, &cur_ps->tx_size_127); 5796fcea6f3dSAnirudh Venkataramanan 57979e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC255L(port), pf->stat_prev_loaded, 579836517fd3SJacob Keller &prev_ps->tx_size_255, &cur_ps->tx_size_255); 5799fcea6f3dSAnirudh Venkataramanan 58009e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC511L(port), pf->stat_prev_loaded, 580136517fd3SJacob Keller &prev_ps->tx_size_511, &cur_ps->tx_size_511); 5802fcea6f3dSAnirudh Venkataramanan 58039e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC1023L(port), pf->stat_prev_loaded, 5804fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_size_1023, &cur_ps->tx_size_1023); 5805fcea6f3dSAnirudh Venkataramanan 58069e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC1522L(port), pf->stat_prev_loaded, 5807fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_size_1522, &cur_ps->tx_size_1522); 5808fcea6f3dSAnirudh Venkataramanan 58099e7a5d17SUsha Ketineni ice_stat_update40(hw, GLPRT_PTC9522L(port), pf->stat_prev_loaded, 5810fcea6f3dSAnirudh Venkataramanan &prev_ps->tx_size_big, &cur_ps->tx_size_big); 5811fcea6f3dSAnirudh Venkataramanan 58124ab95646SHenry Tieman fd_ctr_base = hw->fd_ctr_base; 58134ab95646SHenry Tieman 58144ab95646SHenry Tieman ice_stat_update40(hw, 58154ab95646SHenry Tieman GLSTAT_FD_CNT0L(ICE_FD_SB_STAT_IDX(fd_ctr_base)), 58164ab95646SHenry Tieman pf->stat_prev_loaded, &prev_ps->fd_sb_match, 58174ab95646SHenry Tieman &cur_ps->fd_sb_match); 58189e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXONRXC(port), pf->stat_prev_loaded, 5819fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xon_rx, &cur_ps->link_xon_rx); 5820fcea6f3dSAnirudh Venkataramanan 58219e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXOFFRXC(port), pf->stat_prev_loaded, 5822fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xoff_rx, &cur_ps->link_xoff_rx); 5823fcea6f3dSAnirudh Venkataramanan 58249e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXONTXC(port), pf->stat_prev_loaded, 5825fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xon_tx, &cur_ps->link_xon_tx); 5826fcea6f3dSAnirudh Venkataramanan 58279e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_LXOFFTXC(port), pf->stat_prev_loaded, 5828fcea6f3dSAnirudh Venkataramanan &prev_ps->link_xoff_tx, &cur_ps->link_xoff_tx); 5829fcea6f3dSAnirudh Venkataramanan 58304b0fdcebSAnirudh Venkataramanan ice_update_dcb_stats(pf); 58314b0fdcebSAnirudh Venkataramanan 58329e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_CRCERRS(port), pf->stat_prev_loaded, 5833fcea6f3dSAnirudh Venkataramanan &prev_ps->crc_errors, &cur_ps->crc_errors); 5834fcea6f3dSAnirudh Venkataramanan 58359e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_ILLERRC(port), pf->stat_prev_loaded, 5836fcea6f3dSAnirudh Venkataramanan &prev_ps->illegal_bytes, &cur_ps->illegal_bytes); 5837fcea6f3dSAnirudh Venkataramanan 58389e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_MLFC(port), pf->stat_prev_loaded, 5839fcea6f3dSAnirudh Venkataramanan &prev_ps->mac_local_faults, 5840fcea6f3dSAnirudh Venkataramanan &cur_ps->mac_local_faults); 5841fcea6f3dSAnirudh Venkataramanan 58429e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_MRFC(port), pf->stat_prev_loaded, 5843fcea6f3dSAnirudh Venkataramanan &prev_ps->mac_remote_faults, 5844fcea6f3dSAnirudh Venkataramanan &cur_ps->mac_remote_faults); 5845fcea6f3dSAnirudh Venkataramanan 58469e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RLEC(port), pf->stat_prev_loaded, 5847fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_len_errors, &cur_ps->rx_len_errors); 5848fcea6f3dSAnirudh Venkataramanan 58499e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RUC(port), pf->stat_prev_loaded, 5850fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_undersize, &cur_ps->rx_undersize); 5851fcea6f3dSAnirudh Venkataramanan 58529e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RFC(port), pf->stat_prev_loaded, 5853fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_fragments, &cur_ps->rx_fragments); 5854fcea6f3dSAnirudh Venkataramanan 58559e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_ROC(port), pf->stat_prev_loaded, 5856fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_oversize, &cur_ps->rx_oversize); 5857fcea6f3dSAnirudh Venkataramanan 58589e7a5d17SUsha Ketineni ice_stat_update32(hw, GLPRT_RJC(port), pf->stat_prev_loaded, 5859fcea6f3dSAnirudh Venkataramanan &prev_ps->rx_jabber, &cur_ps->rx_jabber); 5860fcea6f3dSAnirudh Venkataramanan 58614ab95646SHenry Tieman cur_ps->fd_sb_status = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 58624ab95646SHenry Tieman 5863fcea6f3dSAnirudh Venkataramanan pf->stat_prev_loaded = true; 5864fcea6f3dSAnirudh Venkataramanan } 5865fcea6f3dSAnirudh Venkataramanan 5866fcea6f3dSAnirudh Venkataramanan /** 5867fcea6f3dSAnirudh Venkataramanan * ice_get_stats64 - get statistics for network device structure 5868fcea6f3dSAnirudh Venkataramanan * @netdev: network interface device structure 5869fcea6f3dSAnirudh Venkataramanan * @stats: main device statistics structure 5870fcea6f3dSAnirudh Venkataramanan */ 5871fcea6f3dSAnirudh Venkataramanan static 5872fcea6f3dSAnirudh Venkataramanan void ice_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats) 5873fcea6f3dSAnirudh Venkataramanan { 5874fcea6f3dSAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 5875fcea6f3dSAnirudh Venkataramanan struct rtnl_link_stats64 *vsi_stats; 5876fcea6f3dSAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 5877fcea6f3dSAnirudh Venkataramanan 5878fcea6f3dSAnirudh Venkataramanan vsi_stats = &vsi->net_stats; 5879fcea6f3dSAnirudh Venkataramanan 58803d57fd10SDave Ertman if (!vsi->num_txq || !vsi->num_rxq) 5881fcea6f3dSAnirudh Venkataramanan return; 58823d57fd10SDave Ertman 5883fcea6f3dSAnirudh Venkataramanan /* netdev packet/byte stats come from ring counter. These are obtained 5884fcea6f3dSAnirudh Venkataramanan * by summing up ring counters (done by ice_update_vsi_ring_stats). 58853d57fd10SDave Ertman * But, only call the update routine and read the registers if VSI is 58863d57fd10SDave Ertman * not down. 5887fcea6f3dSAnirudh Venkataramanan */ 5888e97fb1aeSAnirudh Venkataramanan if (!test_bit(ICE_VSI_DOWN, vsi->state)) 5889fcea6f3dSAnirudh Venkataramanan ice_update_vsi_ring_stats(vsi); 5890fcea6f3dSAnirudh Venkataramanan stats->tx_packets = vsi_stats->tx_packets; 5891fcea6f3dSAnirudh Venkataramanan stats->tx_bytes = vsi_stats->tx_bytes; 5892fcea6f3dSAnirudh Venkataramanan stats->rx_packets = vsi_stats->rx_packets; 5893fcea6f3dSAnirudh Venkataramanan stats->rx_bytes = vsi_stats->rx_bytes; 5894fcea6f3dSAnirudh Venkataramanan 5895fcea6f3dSAnirudh Venkataramanan /* The rest of the stats can be read from the hardware but instead we 5896fcea6f3dSAnirudh Venkataramanan * just return values that the watchdog task has already obtained from 5897fcea6f3dSAnirudh Venkataramanan * the hardware. 5898fcea6f3dSAnirudh Venkataramanan */ 5899fcea6f3dSAnirudh Venkataramanan stats->multicast = vsi_stats->multicast; 5900fcea6f3dSAnirudh Venkataramanan stats->tx_errors = vsi_stats->tx_errors; 5901fcea6f3dSAnirudh Venkataramanan stats->tx_dropped = vsi_stats->tx_dropped; 5902fcea6f3dSAnirudh Venkataramanan stats->rx_errors = vsi_stats->rx_errors; 5903fcea6f3dSAnirudh Venkataramanan stats->rx_dropped = vsi_stats->rx_dropped; 5904fcea6f3dSAnirudh Venkataramanan stats->rx_crc_errors = vsi_stats->rx_crc_errors; 5905fcea6f3dSAnirudh Venkataramanan stats->rx_length_errors = vsi_stats->rx_length_errors; 5906fcea6f3dSAnirudh Venkataramanan } 5907fcea6f3dSAnirudh Venkataramanan 5908fcea6f3dSAnirudh Venkataramanan /** 59092b245cb2SAnirudh Venkataramanan * ice_napi_disable_all - Disable NAPI for all q_vectors in the VSI 59102b245cb2SAnirudh Venkataramanan * @vsi: VSI having NAPI disabled 59112b245cb2SAnirudh Venkataramanan */ 59122b245cb2SAnirudh Venkataramanan static void ice_napi_disable_all(struct ice_vsi *vsi) 59132b245cb2SAnirudh Venkataramanan { 59142b245cb2SAnirudh Venkataramanan int q_idx; 59152b245cb2SAnirudh Venkataramanan 59162b245cb2SAnirudh Venkataramanan if (!vsi->netdev) 59172b245cb2SAnirudh Venkataramanan return; 59182b245cb2SAnirudh Venkataramanan 59190c2561c8SBrett Creeley ice_for_each_q_vector(vsi, q_idx) { 5920eec90376SYoung Xiao struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 5921eec90376SYoung Xiao 5922eec90376SYoung Xiao if (q_vector->rx.ring || q_vector->tx.ring) 5923eec90376SYoung Xiao napi_disable(&q_vector->napi); 5924cdf1f1f1SJacob Keller 5925cdf1f1f1SJacob Keller cancel_work_sync(&q_vector->tx.dim.work); 5926cdf1f1f1SJacob Keller cancel_work_sync(&q_vector->rx.dim.work); 5927eec90376SYoung Xiao } 59282b245cb2SAnirudh Venkataramanan } 59292b245cb2SAnirudh Venkataramanan 59302b245cb2SAnirudh Venkataramanan /** 5931cdedef59SAnirudh Venkataramanan * ice_down - Shutdown the connection 5932cdedef59SAnirudh Venkataramanan * @vsi: The VSI being stopped 5933cdedef59SAnirudh Venkataramanan */ 5934fcea6f3dSAnirudh Venkataramanan int ice_down(struct ice_vsi *vsi) 5935cdedef59SAnirudh Venkataramanan { 5936ab4ab73fSBruce Allan int i, tx_err, rx_err, link_err = 0; 5937cdedef59SAnirudh Venkataramanan 5938cdedef59SAnirudh Venkataramanan /* Caller of this function is expected to set the 59397e408e07SAnirudh Venkataramanan * vsi->state ICE_DOWN bit 5940cdedef59SAnirudh Venkataramanan */ 5941cdedef59SAnirudh Venkataramanan if (vsi->netdev) { 5942cdedef59SAnirudh Venkataramanan netif_carrier_off(vsi->netdev); 5943cdedef59SAnirudh Venkataramanan netif_tx_disable(vsi->netdev); 5944cdedef59SAnirudh Venkataramanan } 5945cdedef59SAnirudh Venkataramanan 5946cdedef59SAnirudh Venkataramanan ice_vsi_dis_irq(vsi); 594703f7a986SAnirudh Venkataramanan 594803f7a986SAnirudh Venkataramanan tx_err = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 594972adf242SAnirudh Venkataramanan if (tx_err) 595019cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed stop Tx rings, VSI %d error %d\n", 595172adf242SAnirudh Venkataramanan vsi->vsi_num, tx_err); 5952efc2214bSMaciej Fijalkowski if (!tx_err && ice_is_xdp_ena_vsi(vsi)) { 5953efc2214bSMaciej Fijalkowski tx_err = ice_vsi_stop_xdp_tx_rings(vsi); 5954efc2214bSMaciej Fijalkowski if (tx_err) 595519cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed stop XDP rings, VSI %d error %d\n", 5956efc2214bSMaciej Fijalkowski vsi->vsi_num, tx_err); 5957efc2214bSMaciej Fijalkowski } 595872adf242SAnirudh Venkataramanan 595913a6233bSBrett Creeley rx_err = ice_vsi_stop_all_rx_rings(vsi); 596072adf242SAnirudh Venkataramanan if (rx_err) 596119cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed stop Rx rings, VSI %d error %d\n", 596272adf242SAnirudh Venkataramanan vsi->vsi_num, rx_err); 596372adf242SAnirudh Venkataramanan 59642b245cb2SAnirudh Venkataramanan ice_napi_disable_all(vsi); 5965cdedef59SAnirudh Venkataramanan 5966ab4ab73fSBruce Allan if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags)) { 5967b6f934f0SBrett Creeley link_err = ice_force_phys_link_state(vsi, false); 5968b6f934f0SBrett Creeley if (link_err) 596919cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed to set physical link down, VSI %d error %d\n", 5970b6f934f0SBrett Creeley vsi->vsi_num, link_err); 5971ab4ab73fSBruce Allan } 5972b6f934f0SBrett Creeley 5973cdedef59SAnirudh Venkataramanan ice_for_each_txq(vsi, i) 5974cdedef59SAnirudh Venkataramanan ice_clean_tx_ring(vsi->tx_rings[i]); 5975cdedef59SAnirudh Venkataramanan 5976cdedef59SAnirudh Venkataramanan ice_for_each_rxq(vsi, i) 5977cdedef59SAnirudh Venkataramanan ice_clean_rx_ring(vsi->rx_rings[i]); 5978cdedef59SAnirudh Venkataramanan 5979b6f934f0SBrett Creeley if (tx_err || rx_err || link_err) { 598019cce2c6SAnirudh Venkataramanan netdev_err(vsi->netdev, "Failed to close VSI 0x%04X on switch 0x%04X\n", 5981cdedef59SAnirudh Venkataramanan vsi->vsi_num, vsi->vsw->sw_id); 598272adf242SAnirudh Venkataramanan return -EIO; 598372adf242SAnirudh Venkataramanan } 598472adf242SAnirudh Venkataramanan 598572adf242SAnirudh Venkataramanan return 0; 5986cdedef59SAnirudh Venkataramanan } 5987cdedef59SAnirudh Venkataramanan 5988cdedef59SAnirudh Venkataramanan /** 5989cdedef59SAnirudh Venkataramanan * ice_vsi_setup_tx_rings - Allocate VSI Tx queue resources 5990cdedef59SAnirudh Venkataramanan * @vsi: VSI having resources allocated 5991cdedef59SAnirudh Venkataramanan * 5992cdedef59SAnirudh Venkataramanan * Return 0 on success, negative on failure 5993cdedef59SAnirudh Venkataramanan */ 59940e674aebSAnirudh Venkataramanan int ice_vsi_setup_tx_rings(struct ice_vsi *vsi) 5995cdedef59SAnirudh Venkataramanan { 5996dab0588fSJesse Brandeburg int i, err = 0; 5997cdedef59SAnirudh Venkataramanan 5998cdedef59SAnirudh Venkataramanan if (!vsi->num_txq) { 59999a946843SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "VSI %d has 0 Tx queues\n", 6000cdedef59SAnirudh Venkataramanan vsi->vsi_num); 6001cdedef59SAnirudh Venkataramanan return -EINVAL; 6002cdedef59SAnirudh Venkataramanan } 6003cdedef59SAnirudh Venkataramanan 6004cdedef59SAnirudh Venkataramanan ice_for_each_txq(vsi, i) { 6005eb0ee8abSMichal Swiatkowski struct ice_ring *ring = vsi->tx_rings[i]; 6006eb0ee8abSMichal Swiatkowski 6007eb0ee8abSMichal Swiatkowski if (!ring) 6008eb0ee8abSMichal Swiatkowski return -EINVAL; 6009eb0ee8abSMichal Swiatkowski 6010eb0ee8abSMichal Swiatkowski ring->netdev = vsi->netdev; 6011eb0ee8abSMichal Swiatkowski err = ice_setup_tx_ring(ring); 6012cdedef59SAnirudh Venkataramanan if (err) 6013cdedef59SAnirudh Venkataramanan break; 6014cdedef59SAnirudh Venkataramanan } 6015cdedef59SAnirudh Venkataramanan 6016cdedef59SAnirudh Venkataramanan return err; 6017cdedef59SAnirudh Venkataramanan } 6018cdedef59SAnirudh Venkataramanan 6019cdedef59SAnirudh Venkataramanan /** 6020cdedef59SAnirudh Venkataramanan * ice_vsi_setup_rx_rings - Allocate VSI Rx queue resources 6021cdedef59SAnirudh Venkataramanan * @vsi: VSI having resources allocated 6022cdedef59SAnirudh Venkataramanan * 6023cdedef59SAnirudh Venkataramanan * Return 0 on success, negative on failure 6024cdedef59SAnirudh Venkataramanan */ 60250e674aebSAnirudh Venkataramanan int ice_vsi_setup_rx_rings(struct ice_vsi *vsi) 6026cdedef59SAnirudh Venkataramanan { 6027dab0588fSJesse Brandeburg int i, err = 0; 6028cdedef59SAnirudh Venkataramanan 6029cdedef59SAnirudh Venkataramanan if (!vsi->num_rxq) { 60309a946843SAnirudh Venkataramanan dev_err(ice_pf_to_dev(vsi->back), "VSI %d has 0 Rx queues\n", 6031cdedef59SAnirudh Venkataramanan vsi->vsi_num); 6032cdedef59SAnirudh Venkataramanan return -EINVAL; 6033cdedef59SAnirudh Venkataramanan } 6034cdedef59SAnirudh Venkataramanan 6035cdedef59SAnirudh Venkataramanan ice_for_each_rxq(vsi, i) { 6036eb0ee8abSMichal Swiatkowski struct ice_ring *ring = vsi->rx_rings[i]; 6037eb0ee8abSMichal Swiatkowski 6038eb0ee8abSMichal Swiatkowski if (!ring) 6039eb0ee8abSMichal Swiatkowski return -EINVAL; 6040eb0ee8abSMichal Swiatkowski 6041eb0ee8abSMichal Swiatkowski ring->netdev = vsi->netdev; 6042eb0ee8abSMichal Swiatkowski err = ice_setup_rx_ring(ring); 6043cdedef59SAnirudh Venkataramanan if (err) 6044cdedef59SAnirudh Venkataramanan break; 6045cdedef59SAnirudh Venkataramanan } 6046cdedef59SAnirudh Venkataramanan 6047cdedef59SAnirudh Venkataramanan return err; 6048cdedef59SAnirudh Venkataramanan } 6049cdedef59SAnirudh Venkataramanan 6050cdedef59SAnirudh Venkataramanan /** 6051148beb61SHenry Tieman * ice_vsi_open_ctrl - open control VSI for use 6052148beb61SHenry Tieman * @vsi: the VSI to open 6053148beb61SHenry Tieman * 6054148beb61SHenry Tieman * Initialization of the Control VSI 6055148beb61SHenry Tieman * 6056148beb61SHenry Tieman * Returns 0 on success, negative value on error 6057148beb61SHenry Tieman */ 6058148beb61SHenry Tieman int ice_vsi_open_ctrl(struct ice_vsi *vsi) 6059148beb61SHenry Tieman { 6060148beb61SHenry Tieman char int_name[ICE_INT_NAME_STR_LEN]; 6061148beb61SHenry Tieman struct ice_pf *pf = vsi->back; 6062148beb61SHenry Tieman struct device *dev; 6063148beb61SHenry Tieman int err; 6064148beb61SHenry Tieman 6065148beb61SHenry Tieman dev = ice_pf_to_dev(pf); 6066148beb61SHenry Tieman /* allocate descriptors */ 6067148beb61SHenry Tieman err = ice_vsi_setup_tx_rings(vsi); 6068148beb61SHenry Tieman if (err) 6069148beb61SHenry Tieman goto err_setup_tx; 6070148beb61SHenry Tieman 6071148beb61SHenry Tieman err = ice_vsi_setup_rx_rings(vsi); 6072148beb61SHenry Tieman if (err) 6073148beb61SHenry Tieman goto err_setup_rx; 6074148beb61SHenry Tieman 6075148beb61SHenry Tieman err = ice_vsi_cfg(vsi); 6076148beb61SHenry Tieman if (err) 6077148beb61SHenry Tieman goto err_setup_rx; 6078148beb61SHenry Tieman 6079148beb61SHenry Tieman snprintf(int_name, sizeof(int_name) - 1, "%s-%s:ctrl", 6080148beb61SHenry Tieman dev_driver_string(dev), dev_name(dev)); 6081148beb61SHenry Tieman err = ice_vsi_req_irq_msix(vsi, int_name); 6082148beb61SHenry Tieman if (err) 6083148beb61SHenry Tieman goto err_setup_rx; 6084148beb61SHenry Tieman 6085148beb61SHenry Tieman ice_vsi_cfg_msix(vsi); 6086148beb61SHenry Tieman 6087148beb61SHenry Tieman err = ice_vsi_start_all_rx_rings(vsi); 6088148beb61SHenry Tieman if (err) 6089148beb61SHenry Tieman goto err_up_complete; 6090148beb61SHenry Tieman 6091e97fb1aeSAnirudh Venkataramanan clear_bit(ICE_VSI_DOWN, vsi->state); 6092148beb61SHenry Tieman ice_vsi_ena_irq(vsi); 6093148beb61SHenry Tieman 6094148beb61SHenry Tieman return 0; 6095148beb61SHenry Tieman 6096148beb61SHenry Tieman err_up_complete: 6097148beb61SHenry Tieman ice_down(vsi); 6098148beb61SHenry Tieman err_setup_rx: 6099148beb61SHenry Tieman ice_vsi_free_rx_rings(vsi); 6100148beb61SHenry Tieman err_setup_tx: 6101148beb61SHenry Tieman ice_vsi_free_tx_rings(vsi); 6102148beb61SHenry Tieman 6103148beb61SHenry Tieman return err; 6104148beb61SHenry Tieman } 6105148beb61SHenry Tieman 6106148beb61SHenry Tieman /** 6107cdedef59SAnirudh Venkataramanan * ice_vsi_open - Called when a network interface is made active 6108cdedef59SAnirudh Venkataramanan * @vsi: the VSI to open 6109cdedef59SAnirudh Venkataramanan * 6110cdedef59SAnirudh Venkataramanan * Initialization of the VSI 6111cdedef59SAnirudh Venkataramanan * 6112cdedef59SAnirudh Venkataramanan * Returns 0 on success, negative value on error 6113cdedef59SAnirudh Venkataramanan */ 6114cdedef59SAnirudh Venkataramanan static int ice_vsi_open(struct ice_vsi *vsi) 6115cdedef59SAnirudh Venkataramanan { 6116cdedef59SAnirudh Venkataramanan char int_name[ICE_INT_NAME_STR_LEN]; 6117cdedef59SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 6118cdedef59SAnirudh Venkataramanan int err; 6119cdedef59SAnirudh Venkataramanan 6120cdedef59SAnirudh Venkataramanan /* allocate descriptors */ 6121cdedef59SAnirudh Venkataramanan err = ice_vsi_setup_tx_rings(vsi); 6122cdedef59SAnirudh Venkataramanan if (err) 6123cdedef59SAnirudh Venkataramanan goto err_setup_tx; 6124cdedef59SAnirudh Venkataramanan 6125cdedef59SAnirudh Venkataramanan err = ice_vsi_setup_rx_rings(vsi); 6126cdedef59SAnirudh Venkataramanan if (err) 6127cdedef59SAnirudh Venkataramanan goto err_setup_rx; 6128cdedef59SAnirudh Venkataramanan 6129cdedef59SAnirudh Venkataramanan err = ice_vsi_cfg(vsi); 6130cdedef59SAnirudh Venkataramanan if (err) 6131cdedef59SAnirudh Venkataramanan goto err_setup_rx; 6132cdedef59SAnirudh Venkataramanan 6133cdedef59SAnirudh Venkataramanan snprintf(int_name, sizeof(int_name) - 1, "%s-%s", 61344015d11eSBrett Creeley dev_driver_string(ice_pf_to_dev(pf)), vsi->netdev->name); 6135ba880734SBrett Creeley err = ice_vsi_req_irq_msix(vsi, int_name); 6136cdedef59SAnirudh Venkataramanan if (err) 6137cdedef59SAnirudh Venkataramanan goto err_setup_rx; 6138cdedef59SAnirudh Venkataramanan 6139cdedef59SAnirudh Venkataramanan /* Notify the stack of the actual queue counts. */ 6140cdedef59SAnirudh Venkataramanan err = netif_set_real_num_tx_queues(vsi->netdev, vsi->num_txq); 6141cdedef59SAnirudh Venkataramanan if (err) 6142cdedef59SAnirudh Venkataramanan goto err_set_qs; 6143cdedef59SAnirudh Venkataramanan 6144cdedef59SAnirudh Venkataramanan err = netif_set_real_num_rx_queues(vsi->netdev, vsi->num_rxq); 6145cdedef59SAnirudh Venkataramanan if (err) 6146cdedef59SAnirudh Venkataramanan goto err_set_qs; 6147cdedef59SAnirudh Venkataramanan 6148cdedef59SAnirudh Venkataramanan err = ice_up_complete(vsi); 6149cdedef59SAnirudh Venkataramanan if (err) 6150cdedef59SAnirudh Venkataramanan goto err_up_complete; 6151cdedef59SAnirudh Venkataramanan 6152cdedef59SAnirudh Venkataramanan return 0; 6153cdedef59SAnirudh Venkataramanan 6154cdedef59SAnirudh Venkataramanan err_up_complete: 6155cdedef59SAnirudh Venkataramanan ice_down(vsi); 6156cdedef59SAnirudh Venkataramanan err_set_qs: 6157cdedef59SAnirudh Venkataramanan ice_vsi_free_irq(vsi); 6158cdedef59SAnirudh Venkataramanan err_setup_rx: 6159cdedef59SAnirudh Venkataramanan ice_vsi_free_rx_rings(vsi); 6160cdedef59SAnirudh Venkataramanan err_setup_tx: 6161cdedef59SAnirudh Venkataramanan ice_vsi_free_tx_rings(vsi); 6162cdedef59SAnirudh Venkataramanan 6163cdedef59SAnirudh Venkataramanan return err; 6164cdedef59SAnirudh Venkataramanan } 6165cdedef59SAnirudh Venkataramanan 6166cdedef59SAnirudh Venkataramanan /** 61670f9d5027SAnirudh Venkataramanan * ice_vsi_release_all - Delete all VSIs 61680f9d5027SAnirudh Venkataramanan * @pf: PF from which all VSIs are being removed 61690f9d5027SAnirudh Venkataramanan */ 61700f9d5027SAnirudh Venkataramanan static void ice_vsi_release_all(struct ice_pf *pf) 61710f9d5027SAnirudh Venkataramanan { 61720f9d5027SAnirudh Venkataramanan int err, i; 61730f9d5027SAnirudh Venkataramanan 61740f9d5027SAnirudh Venkataramanan if (!pf->vsi) 61750f9d5027SAnirudh Venkataramanan return; 61760f9d5027SAnirudh Venkataramanan 617780ed404aSBrett Creeley ice_for_each_vsi(pf, i) { 61780f9d5027SAnirudh Venkataramanan if (!pf->vsi[i]) 61790f9d5027SAnirudh Venkataramanan continue; 61800f9d5027SAnirudh Venkataramanan 61810f9d5027SAnirudh Venkataramanan err = ice_vsi_release(pf->vsi[i]); 61820f9d5027SAnirudh Venkataramanan if (err) 618319cce2c6SAnirudh Venkataramanan dev_dbg(ice_pf_to_dev(pf), "Failed to release pf->vsi[%d], err %d, vsi_num = %d\n", 61840f9d5027SAnirudh Venkataramanan i, err, pf->vsi[i]->vsi_num); 61850f9d5027SAnirudh Venkataramanan } 61860f9d5027SAnirudh Venkataramanan } 61870f9d5027SAnirudh Venkataramanan 61880f9d5027SAnirudh Venkataramanan /** 6189462acf6aSTony Nguyen * ice_vsi_rebuild_by_type - Rebuild VSI of a given type 6190462acf6aSTony Nguyen * @pf: pointer to the PF instance 6191462acf6aSTony Nguyen * @type: VSI type to rebuild 6192462acf6aSTony Nguyen * 6193462acf6aSTony Nguyen * Iterates through the pf->vsi array and rebuilds VSIs of the requested type 61940f9d5027SAnirudh Venkataramanan */ 6195462acf6aSTony Nguyen static int ice_vsi_rebuild_by_type(struct ice_pf *pf, enum ice_vsi_type type) 61960f9d5027SAnirudh Venkataramanan { 61974015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 6198462acf6aSTony Nguyen enum ice_status status; 6199462acf6aSTony Nguyen int i, err; 62000f9d5027SAnirudh Venkataramanan 620180ed404aSBrett Creeley ice_for_each_vsi(pf, i) { 62024425e053SKrzysztof Kazimierczak struct ice_vsi *vsi = pf->vsi[i]; 62030f9d5027SAnirudh Venkataramanan 6204462acf6aSTony Nguyen if (!vsi || vsi->type != type) 62050f9d5027SAnirudh Venkataramanan continue; 62060f9d5027SAnirudh Venkataramanan 6207462acf6aSTony Nguyen /* rebuild the VSI */ 620887324e74SHenry Tieman err = ice_vsi_rebuild(vsi, true); 62090f9d5027SAnirudh Venkataramanan if (err) { 621019cce2c6SAnirudh Venkataramanan dev_err(dev, "rebuild VSI failed, err %d, VSI index %d, type %s\n", 6211964674f1SAnirudh Venkataramanan err, vsi->idx, ice_vsi_type_str(type)); 62120f9d5027SAnirudh Venkataramanan return err; 62130f9d5027SAnirudh Venkataramanan } 62140f9d5027SAnirudh Venkataramanan 6215462acf6aSTony Nguyen /* replay filters for the VSI */ 6216462acf6aSTony Nguyen status = ice_replay_vsi(&pf->hw, vsi->idx); 6217462acf6aSTony Nguyen if (status) { 62180fee3577SLihong Yang dev_err(dev, "replay VSI failed, status %s, VSI index %d, type %s\n", 62190fee3577SLihong Yang ice_stat_str(status), vsi->idx, 62200fee3577SLihong Yang ice_vsi_type_str(type)); 6221334cb062SAnirudh Venkataramanan return -EIO; 6222334cb062SAnirudh Venkataramanan } 6223334cb062SAnirudh Venkataramanan 6224334cb062SAnirudh Venkataramanan /* Re-map HW VSI number, using VSI handle that has been 6225334cb062SAnirudh Venkataramanan * previously validated in ice_replay_vsi() call above 6226334cb062SAnirudh Venkataramanan */ 6227462acf6aSTony Nguyen vsi->vsi_num = ice_get_hw_vsi_num(&pf->hw, vsi->idx); 6228334cb062SAnirudh Venkataramanan 6229462acf6aSTony Nguyen /* enable the VSI */ 6230462acf6aSTony Nguyen err = ice_ena_vsi(vsi, false); 6231462acf6aSTony Nguyen if (err) { 623219cce2c6SAnirudh Venkataramanan dev_err(dev, "enable VSI failed, err %d, VSI index %d, type %s\n", 6233964674f1SAnirudh Venkataramanan err, vsi->idx, ice_vsi_type_str(type)); 6234462acf6aSTony Nguyen return err; 6235334cb062SAnirudh Venkataramanan } 6236334cb062SAnirudh Venkataramanan 62374015d11eSBrett Creeley dev_info(dev, "VSI rebuilt. VSI index %d, type %s\n", vsi->idx, 62384015d11eSBrett Creeley ice_vsi_type_str(type)); 6239462acf6aSTony Nguyen } 6240462acf6aSTony Nguyen 6241334cb062SAnirudh Venkataramanan return 0; 6242334cb062SAnirudh Venkataramanan } 6243334cb062SAnirudh Venkataramanan 6244334cb062SAnirudh Venkataramanan /** 6245462acf6aSTony Nguyen * ice_update_pf_netdev_link - Update PF netdev link status 6246462acf6aSTony Nguyen * @pf: pointer to the PF instance 6247462acf6aSTony Nguyen */ 6248462acf6aSTony Nguyen static void ice_update_pf_netdev_link(struct ice_pf *pf) 6249462acf6aSTony Nguyen { 6250462acf6aSTony Nguyen bool link_up; 6251462acf6aSTony Nguyen int i; 6252462acf6aSTony Nguyen 6253462acf6aSTony Nguyen ice_for_each_vsi(pf, i) { 6254462acf6aSTony Nguyen struct ice_vsi *vsi = pf->vsi[i]; 6255462acf6aSTony Nguyen 6256462acf6aSTony Nguyen if (!vsi || vsi->type != ICE_VSI_PF) 6257462acf6aSTony Nguyen return; 6258462acf6aSTony Nguyen 6259462acf6aSTony Nguyen ice_get_link_status(pf->vsi[i]->port_info, &link_up); 6260462acf6aSTony Nguyen if (link_up) { 6261462acf6aSTony Nguyen netif_carrier_on(pf->vsi[i]->netdev); 6262462acf6aSTony Nguyen netif_tx_wake_all_queues(pf->vsi[i]->netdev); 6263462acf6aSTony Nguyen } else { 6264462acf6aSTony Nguyen netif_carrier_off(pf->vsi[i]->netdev); 6265462acf6aSTony Nguyen netif_tx_stop_all_queues(pf->vsi[i]->netdev); 6266462acf6aSTony Nguyen } 6267462acf6aSTony Nguyen } 6268462acf6aSTony Nguyen } 6269462acf6aSTony Nguyen 6270462acf6aSTony Nguyen /** 62710b28b702SAnirudh Venkataramanan * ice_rebuild - rebuild after reset 62722f2da36eSAnirudh Venkataramanan * @pf: PF to rebuild 6273462acf6aSTony Nguyen * @reset_type: type of reset 627412bb018cSBrett Creeley * 627512bb018cSBrett Creeley * Do not rebuild VF VSI in this flow because that is already handled via 627612bb018cSBrett Creeley * ice_reset_all_vfs(). This is because requirements for resetting a VF after a 627712bb018cSBrett Creeley * PFR/CORER/GLOBER/etc. are different than the normal flow. Also, we don't want 627812bb018cSBrett Creeley * to reset/rebuild all the VF VSI twice. 62790b28b702SAnirudh Venkataramanan */ 6280462acf6aSTony Nguyen static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type) 62810b28b702SAnirudh Venkataramanan { 62824015d11eSBrett Creeley struct device *dev = ice_pf_to_dev(pf); 62830b28b702SAnirudh Venkataramanan struct ice_hw *hw = &pf->hw; 62840b28b702SAnirudh Venkataramanan enum ice_status ret; 6285462acf6aSTony Nguyen int err; 62860b28b702SAnirudh Venkataramanan 62877e408e07SAnirudh Venkataramanan if (test_bit(ICE_DOWN, pf->state)) 62880b28b702SAnirudh Venkataramanan goto clear_recovery; 62890b28b702SAnirudh Venkataramanan 6290462acf6aSTony Nguyen dev_dbg(dev, "rebuilding PF after reset_type=%d\n", reset_type); 62910b28b702SAnirudh Venkataramanan 62920b28b702SAnirudh Venkataramanan ret = ice_init_all_ctrlq(hw); 62930b28b702SAnirudh Venkataramanan if (ret) { 62940fee3577SLihong Yang dev_err(dev, "control queues init failed %s\n", 62950fee3577SLihong Yang ice_stat_str(ret)); 62960f9d5027SAnirudh Venkataramanan goto err_init_ctrlq; 62970b28b702SAnirudh Venkataramanan } 62980b28b702SAnirudh Venkataramanan 6299462acf6aSTony Nguyen /* if DDP was previously loaded successfully */ 6300462acf6aSTony Nguyen if (!ice_is_safe_mode(pf)) { 6301462acf6aSTony Nguyen /* reload the SW DB of filter tables */ 6302462acf6aSTony Nguyen if (reset_type == ICE_RESET_PFR) 6303462acf6aSTony Nguyen ice_fill_blk_tbls(hw); 6304462acf6aSTony Nguyen else 6305462acf6aSTony Nguyen /* Reload DDP Package after CORER/GLOBR reset */ 6306462acf6aSTony Nguyen ice_load_pkg(NULL, pf); 6307462acf6aSTony Nguyen } 6308462acf6aSTony Nguyen 63090b28b702SAnirudh Venkataramanan ret = ice_clear_pf_cfg(hw); 63100b28b702SAnirudh Venkataramanan if (ret) { 63110fee3577SLihong Yang dev_err(dev, "clear PF configuration failed %s\n", 63120fee3577SLihong Yang ice_stat_str(ret)); 63130f9d5027SAnirudh Venkataramanan goto err_init_ctrlq; 63140b28b702SAnirudh Venkataramanan } 63150b28b702SAnirudh Venkataramanan 6316fc0f39bcSBrett Creeley if (pf->first_sw->dflt_vsi_ena) 631719cce2c6SAnirudh Venkataramanan dev_info(dev, "Clearing default VSI, re-enable after reset completes\n"); 6318fc0f39bcSBrett Creeley /* clear the default VSI configuration if it exists */ 6319fc0f39bcSBrett Creeley pf->first_sw->dflt_vsi = NULL; 6320fc0f39bcSBrett Creeley pf->first_sw->dflt_vsi_ena = false; 6321fc0f39bcSBrett Creeley 63220b28b702SAnirudh Venkataramanan ice_clear_pxe_mode(hw); 63230b28b702SAnirudh Venkataramanan 632497a4ec01SJacob Keller ret = ice_init_nvm(hw); 632597a4ec01SJacob Keller if (ret) { 632697a4ec01SJacob Keller dev_err(dev, "ice_init_nvm failed %s\n", ice_stat_str(ret)); 632797a4ec01SJacob Keller goto err_init_ctrlq; 632897a4ec01SJacob Keller } 632997a4ec01SJacob Keller 63300b28b702SAnirudh Venkataramanan ret = ice_get_caps(hw); 63310b28b702SAnirudh Venkataramanan if (ret) { 63320fee3577SLihong Yang dev_err(dev, "ice_get_caps failed %s\n", ice_stat_str(ret)); 63330f9d5027SAnirudh Venkataramanan goto err_init_ctrlq; 63340b28b702SAnirudh Venkataramanan } 63350b28b702SAnirudh Venkataramanan 633642449105SAnirudh Venkataramanan ret = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL); 633742449105SAnirudh Venkataramanan if (ret) { 633842449105SAnirudh Venkataramanan dev_err(dev, "set_mac_cfg failed %s\n", ice_stat_str(ret)); 633942449105SAnirudh Venkataramanan goto err_init_ctrlq; 634042449105SAnirudh Venkataramanan } 634142449105SAnirudh Venkataramanan 63420f9d5027SAnirudh Venkataramanan err = ice_sched_init_port(hw->port_info); 63430f9d5027SAnirudh Venkataramanan if (err) 63440f9d5027SAnirudh Venkataramanan goto err_sched_init_port; 63450f9d5027SAnirudh Venkataramanan 63460b28b702SAnirudh Venkataramanan /* start misc vector */ 63470b28b702SAnirudh Venkataramanan err = ice_req_irq_msix_misc(pf); 63480b28b702SAnirudh Venkataramanan if (err) { 63490b28b702SAnirudh Venkataramanan dev_err(dev, "misc vector setup failed: %d\n", err); 6350462acf6aSTony Nguyen goto err_sched_init_port; 63510b28b702SAnirudh Venkataramanan } 63520b28b702SAnirudh Venkataramanan 635383af0039SHenry Tieman if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) { 635483af0039SHenry Tieman wr32(hw, PFQF_FD_ENA, PFQF_FD_ENA_FD_ENA_M); 635583af0039SHenry Tieman if (!rd32(hw, PFQF_FD_SIZE)) { 635683af0039SHenry Tieman u16 unused, guar, b_effort; 635783af0039SHenry Tieman 635883af0039SHenry Tieman guar = hw->func_caps.fd_fltr_guar; 635983af0039SHenry Tieman b_effort = hw->func_caps.fd_fltr_best_effort; 636083af0039SHenry Tieman 636183af0039SHenry Tieman /* force guaranteed filter pool for PF */ 636283af0039SHenry Tieman ice_alloc_fd_guar_item(hw, &unused, guar); 636383af0039SHenry Tieman /* force shared filter pool for PF */ 636483af0039SHenry Tieman ice_alloc_fd_shrd_item(hw, &unused, b_effort); 636583af0039SHenry Tieman } 636683af0039SHenry Tieman } 636783af0039SHenry Tieman 6368462acf6aSTony Nguyen if (test_bit(ICE_FLAG_DCB_ENA, pf->flags)) 6369462acf6aSTony Nguyen ice_dcb_rebuild(pf); 6370462acf6aSTony Nguyen 637106c16d89SJacob Keller /* If the PF previously had enabled PTP, PTP init needs to happen before 637206c16d89SJacob Keller * the VSI rebuild. If not, this causes the PTP link status events to 637306c16d89SJacob Keller * fail. 637406c16d89SJacob Keller */ 637506c16d89SJacob Keller if (test_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags)) 637606c16d89SJacob Keller ice_ptp_init(pf); 637706c16d89SJacob Keller 6378462acf6aSTony Nguyen /* rebuild PF VSI */ 6379462acf6aSTony Nguyen err = ice_vsi_rebuild_by_type(pf, ICE_VSI_PF); 63800f9d5027SAnirudh Venkataramanan if (err) { 6381462acf6aSTony Nguyen dev_err(dev, "PF VSI rebuild failed: %d\n", err); 63820f9d5027SAnirudh Venkataramanan goto err_vsi_rebuild; 63830f9d5027SAnirudh Venkataramanan } 63840b28b702SAnirudh Venkataramanan 638583af0039SHenry Tieman /* If Flow Director is active */ 638683af0039SHenry Tieman if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) { 638783af0039SHenry Tieman err = ice_vsi_rebuild_by_type(pf, ICE_VSI_CTRL); 638883af0039SHenry Tieman if (err) { 638983af0039SHenry Tieman dev_err(dev, "control VSI rebuild failed: %d\n", err); 639083af0039SHenry Tieman goto err_vsi_rebuild; 639183af0039SHenry Tieman } 639283af0039SHenry Tieman 639383af0039SHenry Tieman /* replay HW Flow Director recipes */ 639483af0039SHenry Tieman if (hw->fdir_prof) 639583af0039SHenry Tieman ice_fdir_replay_flows(hw); 639683af0039SHenry Tieman 639783af0039SHenry Tieman /* replay Flow Director filters */ 639883af0039SHenry Tieman ice_fdir_replay_fltrs(pf); 639928bf2672SBrett Creeley 640028bf2672SBrett Creeley ice_rebuild_arfs(pf); 640183af0039SHenry Tieman } 640283af0039SHenry Tieman 6403462acf6aSTony Nguyen ice_update_pf_netdev_link(pf); 6404462acf6aSTony Nguyen 6405462acf6aSTony Nguyen /* tell the firmware we are up */ 6406462acf6aSTony Nguyen ret = ice_send_version(pf); 6407462acf6aSTony Nguyen if (ret) { 64080fee3577SLihong Yang dev_err(dev, "Rebuild failed due to error sending driver version: %s\n", 64090fee3577SLihong Yang ice_stat_str(ret)); 6410462acf6aSTony Nguyen goto err_vsi_rebuild; 6411ce317dd9SAnirudh Venkataramanan } 6412462acf6aSTony Nguyen 6413462acf6aSTony Nguyen ice_replay_post(hw); 6414ce317dd9SAnirudh Venkataramanan 64150f9d5027SAnirudh Venkataramanan /* if we get here, reset flow is successful */ 64167e408e07SAnirudh Venkataramanan clear_bit(ICE_RESET_FAILED, pf->state); 6417f9f5301eSDave Ertman 6418f9f5301eSDave Ertman ice_plug_aux_dev(pf); 64190b28b702SAnirudh Venkataramanan return; 64200b28b702SAnirudh Venkataramanan 64210f9d5027SAnirudh Venkataramanan err_vsi_rebuild: 64220f9d5027SAnirudh Venkataramanan err_sched_init_port: 64230f9d5027SAnirudh Venkataramanan ice_sched_cleanup_all(hw); 64240f9d5027SAnirudh Venkataramanan err_init_ctrlq: 64250b28b702SAnirudh Venkataramanan ice_shutdown_all_ctrlq(hw); 64267e408e07SAnirudh Venkataramanan set_bit(ICE_RESET_FAILED, pf->state); 64270b28b702SAnirudh Venkataramanan clear_recovery: 64280f9d5027SAnirudh Venkataramanan /* set this bit in PF state to control service task scheduling */ 64297e408e07SAnirudh Venkataramanan set_bit(ICE_NEEDS_RESTART, pf->state); 64300f9d5027SAnirudh Venkataramanan dev_err(dev, "Rebuild failed, unload and reload driver\n"); 64310b28b702SAnirudh Venkataramanan } 64320b28b702SAnirudh Venkataramanan 64330b28b702SAnirudh Venkataramanan /** 643423b44513SMaciej Fijalkowski * ice_max_xdp_frame_size - returns the maximum allowed frame size for XDP 643523b44513SMaciej Fijalkowski * @vsi: Pointer to VSI structure 643623b44513SMaciej Fijalkowski */ 643723b44513SMaciej Fijalkowski static int ice_max_xdp_frame_size(struct ice_vsi *vsi) 643823b44513SMaciej Fijalkowski { 643923b44513SMaciej Fijalkowski if (PAGE_SIZE >= 8192 || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags)) 644023b44513SMaciej Fijalkowski return ICE_RXBUF_2048 - XDP_PACKET_HEADROOM; 644123b44513SMaciej Fijalkowski else 644223b44513SMaciej Fijalkowski return ICE_RXBUF_3072; 644323b44513SMaciej Fijalkowski } 644423b44513SMaciej Fijalkowski 644523b44513SMaciej Fijalkowski /** 6446e94d4478SAnirudh Venkataramanan * ice_change_mtu - NDO callback to change the MTU 6447e94d4478SAnirudh Venkataramanan * @netdev: network interface device structure 6448e94d4478SAnirudh Venkataramanan * @new_mtu: new value for maximum frame size 6449e94d4478SAnirudh Venkataramanan * 6450e94d4478SAnirudh Venkataramanan * Returns 0 on success, negative on failure 6451e94d4478SAnirudh Venkataramanan */ 6452e94d4478SAnirudh Venkataramanan static int ice_change_mtu(struct net_device *netdev, int new_mtu) 6453e94d4478SAnirudh Venkataramanan { 6454e94d4478SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 6455e94d4478SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 6456e94d4478SAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 6457348048e7SDave Ertman struct iidc_event *event; 6458e94d4478SAnirudh Venkataramanan u8 count = 0; 6459348048e7SDave Ertman int err = 0; 6460e94d4478SAnirudh Venkataramanan 646122bef5e7SJesse Brandeburg if (new_mtu == (int)netdev->mtu) { 64622f2da36eSAnirudh Venkataramanan netdev_warn(netdev, "MTU is already %u\n", netdev->mtu); 6463e94d4478SAnirudh Venkataramanan return 0; 6464e94d4478SAnirudh Venkataramanan } 6465e94d4478SAnirudh Venkataramanan 6466efc2214bSMaciej Fijalkowski if (ice_is_xdp_ena_vsi(vsi)) { 646723b44513SMaciej Fijalkowski int frame_size = ice_max_xdp_frame_size(vsi); 6468efc2214bSMaciej Fijalkowski 6469efc2214bSMaciej Fijalkowski if (new_mtu + ICE_ETH_PKT_HDR_PAD > frame_size) { 6470efc2214bSMaciej Fijalkowski netdev_err(netdev, "max MTU for XDP usage is %d\n", 647123b44513SMaciej Fijalkowski frame_size - ICE_ETH_PKT_HDR_PAD); 6472efc2214bSMaciej Fijalkowski return -EINVAL; 6473efc2214bSMaciej Fijalkowski } 6474efc2214bSMaciej Fijalkowski } 6475efc2214bSMaciej Fijalkowski 6476e94d4478SAnirudh Venkataramanan /* if a reset is in progress, wait for some time for it to complete */ 6477e94d4478SAnirudh Venkataramanan do { 64785df7e45dSDave Ertman if (ice_is_reset_in_progress(pf->state)) { 6479e94d4478SAnirudh Venkataramanan count++; 6480e94d4478SAnirudh Venkataramanan usleep_range(1000, 2000); 6481e94d4478SAnirudh Venkataramanan } else { 6482e94d4478SAnirudh Venkataramanan break; 6483e94d4478SAnirudh Venkataramanan } 6484e94d4478SAnirudh Venkataramanan 6485e94d4478SAnirudh Venkataramanan } while (count < 100); 6486e94d4478SAnirudh Venkataramanan 6487e94d4478SAnirudh Venkataramanan if (count == 100) { 64882f2da36eSAnirudh Venkataramanan netdev_err(netdev, "can't change MTU. Device is busy\n"); 6489e94d4478SAnirudh Venkataramanan return -EBUSY; 6490e94d4478SAnirudh Venkataramanan } 6491e94d4478SAnirudh Venkataramanan 6492348048e7SDave Ertman event = kzalloc(sizeof(*event), GFP_KERNEL); 6493348048e7SDave Ertman if (!event) 6494348048e7SDave Ertman return -ENOMEM; 6495348048e7SDave Ertman 6496348048e7SDave Ertman set_bit(IIDC_EVENT_BEFORE_MTU_CHANGE, event->type); 6497348048e7SDave Ertman ice_send_event_to_aux(pf, event); 6498348048e7SDave Ertman clear_bit(IIDC_EVENT_BEFORE_MTU_CHANGE, event->type); 6499348048e7SDave Ertman 650022bef5e7SJesse Brandeburg netdev->mtu = (unsigned int)new_mtu; 6501e94d4478SAnirudh Venkataramanan 6502e94d4478SAnirudh Venkataramanan /* if VSI is up, bring it down and then back up */ 6503e97fb1aeSAnirudh Venkataramanan if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 6504e94d4478SAnirudh Venkataramanan err = ice_down(vsi); 6505e94d4478SAnirudh Venkataramanan if (err) { 6506fe6cd890SMitch Williams netdev_err(netdev, "change MTU if_down err %d\n", err); 6507348048e7SDave Ertman goto event_after; 6508e94d4478SAnirudh Venkataramanan } 6509e94d4478SAnirudh Venkataramanan 6510e94d4478SAnirudh Venkataramanan err = ice_up(vsi); 6511e94d4478SAnirudh Venkataramanan if (err) { 65122f2da36eSAnirudh Venkataramanan netdev_err(netdev, "change MTU if_up err %d\n", err); 6513348048e7SDave Ertman goto event_after; 6514e94d4478SAnirudh Venkataramanan } 6515e94d4478SAnirudh Venkataramanan } 6516e94d4478SAnirudh Venkataramanan 6517bda5b7dbSTony Nguyen netdev_dbg(netdev, "changed MTU to %d\n", new_mtu); 6518348048e7SDave Ertman event_after: 6519348048e7SDave Ertman set_bit(IIDC_EVENT_AFTER_MTU_CHANGE, event->type); 6520348048e7SDave Ertman ice_send_event_to_aux(pf, event); 6521348048e7SDave Ertman kfree(event); 6522348048e7SDave Ertman 6523348048e7SDave Ertman return err; 6524e94d4478SAnirudh Venkataramanan } 6525e94d4478SAnirudh Venkataramanan 6526e94d4478SAnirudh Venkataramanan /** 652777a78115SJacob Keller * ice_do_ioctl - Access the hwtstamp interface 652877a78115SJacob Keller * @netdev: network interface device structure 652977a78115SJacob Keller * @ifr: interface request data 653077a78115SJacob Keller * @cmd: ioctl command 653177a78115SJacob Keller */ 653277a78115SJacob Keller static int ice_do_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) 653377a78115SJacob Keller { 653477a78115SJacob Keller struct ice_netdev_priv *np = netdev_priv(netdev); 653577a78115SJacob Keller struct ice_pf *pf = np->vsi->back; 653677a78115SJacob Keller 653777a78115SJacob Keller switch (cmd) { 653877a78115SJacob Keller case SIOCGHWTSTAMP: 653977a78115SJacob Keller return ice_ptp_get_ts_config(pf, ifr); 654077a78115SJacob Keller case SIOCSHWTSTAMP: 654177a78115SJacob Keller return ice_ptp_set_ts_config(pf, ifr); 654277a78115SJacob Keller default: 654377a78115SJacob Keller return -EOPNOTSUPP; 654477a78115SJacob Keller } 654577a78115SJacob Keller } 654677a78115SJacob Keller 654777a78115SJacob Keller /** 65480fee3577SLihong Yang * ice_aq_str - convert AQ err code to a string 65490fee3577SLihong Yang * @aq_err: the AQ error code to convert 65500fee3577SLihong Yang */ 65510fee3577SLihong Yang const char *ice_aq_str(enum ice_aq_err aq_err) 65520fee3577SLihong Yang { 65530fee3577SLihong Yang switch (aq_err) { 65540fee3577SLihong Yang case ICE_AQ_RC_OK: 65550fee3577SLihong Yang return "OK"; 65560fee3577SLihong Yang case ICE_AQ_RC_EPERM: 65570fee3577SLihong Yang return "ICE_AQ_RC_EPERM"; 65580fee3577SLihong Yang case ICE_AQ_RC_ENOENT: 65590fee3577SLihong Yang return "ICE_AQ_RC_ENOENT"; 65600fee3577SLihong Yang case ICE_AQ_RC_ENOMEM: 65610fee3577SLihong Yang return "ICE_AQ_RC_ENOMEM"; 65620fee3577SLihong Yang case ICE_AQ_RC_EBUSY: 65630fee3577SLihong Yang return "ICE_AQ_RC_EBUSY"; 65640fee3577SLihong Yang case ICE_AQ_RC_EEXIST: 65650fee3577SLihong Yang return "ICE_AQ_RC_EEXIST"; 65660fee3577SLihong Yang case ICE_AQ_RC_EINVAL: 65670fee3577SLihong Yang return "ICE_AQ_RC_EINVAL"; 65680fee3577SLihong Yang case ICE_AQ_RC_ENOSPC: 65690fee3577SLihong Yang return "ICE_AQ_RC_ENOSPC"; 65700fee3577SLihong Yang case ICE_AQ_RC_ENOSYS: 65710fee3577SLihong Yang return "ICE_AQ_RC_ENOSYS"; 6572b5e19a64SChinh T Cao case ICE_AQ_RC_EMODE: 6573b5e19a64SChinh T Cao return "ICE_AQ_RC_EMODE"; 65740fee3577SLihong Yang case ICE_AQ_RC_ENOSEC: 65750fee3577SLihong Yang return "ICE_AQ_RC_ENOSEC"; 65760fee3577SLihong Yang case ICE_AQ_RC_EBADSIG: 65770fee3577SLihong Yang return "ICE_AQ_RC_EBADSIG"; 65780fee3577SLihong Yang case ICE_AQ_RC_ESVN: 65790fee3577SLihong Yang return "ICE_AQ_RC_ESVN"; 65800fee3577SLihong Yang case ICE_AQ_RC_EBADMAN: 65810fee3577SLihong Yang return "ICE_AQ_RC_EBADMAN"; 65820fee3577SLihong Yang case ICE_AQ_RC_EBADBUF: 65830fee3577SLihong Yang return "ICE_AQ_RC_EBADBUF"; 65840fee3577SLihong Yang } 65850fee3577SLihong Yang 65860fee3577SLihong Yang return "ICE_AQ_RC_UNKNOWN"; 65870fee3577SLihong Yang } 65880fee3577SLihong Yang 65890fee3577SLihong Yang /** 65900fee3577SLihong Yang * ice_stat_str - convert status err code to a string 65910fee3577SLihong Yang * @stat_err: the status error code to convert 65920fee3577SLihong Yang */ 65930fee3577SLihong Yang const char *ice_stat_str(enum ice_status stat_err) 65940fee3577SLihong Yang { 65950fee3577SLihong Yang switch (stat_err) { 65960fee3577SLihong Yang case ICE_SUCCESS: 65970fee3577SLihong Yang return "OK"; 65980fee3577SLihong Yang case ICE_ERR_PARAM: 65990fee3577SLihong Yang return "ICE_ERR_PARAM"; 66000fee3577SLihong Yang case ICE_ERR_NOT_IMPL: 66010fee3577SLihong Yang return "ICE_ERR_NOT_IMPL"; 66020fee3577SLihong Yang case ICE_ERR_NOT_READY: 66030fee3577SLihong Yang return "ICE_ERR_NOT_READY"; 66040fee3577SLihong Yang case ICE_ERR_NOT_SUPPORTED: 66050fee3577SLihong Yang return "ICE_ERR_NOT_SUPPORTED"; 66060fee3577SLihong Yang case ICE_ERR_BAD_PTR: 66070fee3577SLihong Yang return "ICE_ERR_BAD_PTR"; 66080fee3577SLihong Yang case ICE_ERR_INVAL_SIZE: 66090fee3577SLihong Yang return "ICE_ERR_INVAL_SIZE"; 66100fee3577SLihong Yang case ICE_ERR_DEVICE_NOT_SUPPORTED: 66110fee3577SLihong Yang return "ICE_ERR_DEVICE_NOT_SUPPORTED"; 66120fee3577SLihong Yang case ICE_ERR_RESET_FAILED: 66130fee3577SLihong Yang return "ICE_ERR_RESET_FAILED"; 66140fee3577SLihong Yang case ICE_ERR_FW_API_VER: 66150fee3577SLihong Yang return "ICE_ERR_FW_API_VER"; 66160fee3577SLihong Yang case ICE_ERR_NO_MEMORY: 66170fee3577SLihong Yang return "ICE_ERR_NO_MEMORY"; 66180fee3577SLihong Yang case ICE_ERR_CFG: 66190fee3577SLihong Yang return "ICE_ERR_CFG"; 66200fee3577SLihong Yang case ICE_ERR_OUT_OF_RANGE: 66210fee3577SLihong Yang return "ICE_ERR_OUT_OF_RANGE"; 66220fee3577SLihong Yang case ICE_ERR_ALREADY_EXISTS: 66230fee3577SLihong Yang return "ICE_ERR_ALREADY_EXISTS"; 6624e120a9abSJacob Keller case ICE_ERR_NVM: 6625e120a9abSJacob Keller return "ICE_ERR_NVM"; 66260fee3577SLihong Yang case ICE_ERR_NVM_CHECKSUM: 66270fee3577SLihong Yang return "ICE_ERR_NVM_CHECKSUM"; 66280fee3577SLihong Yang case ICE_ERR_BUF_TOO_SHORT: 66290fee3577SLihong Yang return "ICE_ERR_BUF_TOO_SHORT"; 66300fee3577SLihong Yang case ICE_ERR_NVM_BLANK_MODE: 66310fee3577SLihong Yang return "ICE_ERR_NVM_BLANK_MODE"; 66320fee3577SLihong Yang case ICE_ERR_IN_USE: 66330fee3577SLihong Yang return "ICE_ERR_IN_USE"; 66340fee3577SLihong Yang case ICE_ERR_MAX_LIMIT: 66350fee3577SLihong Yang return "ICE_ERR_MAX_LIMIT"; 66360fee3577SLihong Yang case ICE_ERR_RESET_ONGOING: 66370fee3577SLihong Yang return "ICE_ERR_RESET_ONGOING"; 66380fee3577SLihong Yang case ICE_ERR_HW_TABLE: 66390fee3577SLihong Yang return "ICE_ERR_HW_TABLE"; 66400fee3577SLihong Yang case ICE_ERR_DOES_NOT_EXIST: 66410fee3577SLihong Yang return "ICE_ERR_DOES_NOT_EXIST"; 6642b8272919SVictor Raj case ICE_ERR_FW_DDP_MISMATCH: 6643b8272919SVictor Raj return "ICE_ERR_FW_DDP_MISMATCH"; 66440fee3577SLihong Yang case ICE_ERR_AQ_ERROR: 66450fee3577SLihong Yang return "ICE_ERR_AQ_ERROR"; 66460fee3577SLihong Yang case ICE_ERR_AQ_TIMEOUT: 66470fee3577SLihong Yang return "ICE_ERR_AQ_TIMEOUT"; 66480fee3577SLihong Yang case ICE_ERR_AQ_FULL: 66490fee3577SLihong Yang return "ICE_ERR_AQ_FULL"; 66500fee3577SLihong Yang case ICE_ERR_AQ_NO_WORK: 66510fee3577SLihong Yang return "ICE_ERR_AQ_NO_WORK"; 66520fee3577SLihong Yang case ICE_ERR_AQ_EMPTY: 66530fee3577SLihong Yang return "ICE_ERR_AQ_EMPTY"; 6654b5c7f857SEvan Swanson case ICE_ERR_AQ_FW_CRITICAL: 6655b5c7f857SEvan Swanson return "ICE_ERR_AQ_FW_CRITICAL"; 66560fee3577SLihong Yang } 66570fee3577SLihong Yang 66580fee3577SLihong Yang return "ICE_ERR_UNKNOWN"; 66590fee3577SLihong Yang } 66600fee3577SLihong Yang 66610fee3577SLihong Yang /** 6662b66a972aSBrett Creeley * ice_set_rss_lut - Set RSS LUT 6663d76a60baSAnirudh Venkataramanan * @vsi: Pointer to VSI structure 6664d76a60baSAnirudh Venkataramanan * @lut: Lookup table 6665d76a60baSAnirudh Venkataramanan * @lut_size: Lookup table size 6666d76a60baSAnirudh Venkataramanan * 6667d76a60baSAnirudh Venkataramanan * Returns 0 on success, negative on failure 6668d76a60baSAnirudh Venkataramanan */ 6669b66a972aSBrett Creeley int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size) 6670d76a60baSAnirudh Venkataramanan { 6671b66a972aSBrett Creeley struct ice_aq_get_set_rss_lut_params params = {}; 6672b66a972aSBrett Creeley struct ice_hw *hw = &vsi->back->hw; 6673d76a60baSAnirudh Venkataramanan enum ice_status status; 6674d76a60baSAnirudh Venkataramanan 6675b66a972aSBrett Creeley if (!lut) 6676b66a972aSBrett Creeley return -EINVAL; 6677d76a60baSAnirudh Venkataramanan 6678b66a972aSBrett Creeley params.vsi_handle = vsi->idx; 6679b66a972aSBrett Creeley params.lut_size = lut_size; 6680b66a972aSBrett Creeley params.lut_type = vsi->rss_lut_type; 6681b66a972aSBrett Creeley params.lut = lut; 6682d76a60baSAnirudh Venkataramanan 6683b66a972aSBrett Creeley status = ice_aq_set_rss_lut(hw, ¶ms); 6684d76a60baSAnirudh Venkataramanan if (status) { 6685b66a972aSBrett Creeley dev_err(ice_pf_to_dev(vsi->back), "Cannot set RSS lut, err %s aq_err %s\n", 66860fee3577SLihong Yang ice_stat_str(status), 66879d68a79cSJesse Brandeburg ice_aq_str(hw->adminq.sq_last_status)); 6688d76a60baSAnirudh Venkataramanan return -EIO; 6689d76a60baSAnirudh Venkataramanan } 6690d76a60baSAnirudh Venkataramanan 6691d76a60baSAnirudh Venkataramanan return 0; 6692d76a60baSAnirudh Venkataramanan } 6693d76a60baSAnirudh Venkataramanan 6694d76a60baSAnirudh Venkataramanan /** 6695b66a972aSBrett Creeley * ice_set_rss_key - Set RSS key 6696b66a972aSBrett Creeley * @vsi: Pointer to the VSI structure 6697b66a972aSBrett Creeley * @seed: RSS hash seed 6698b66a972aSBrett Creeley * 6699b66a972aSBrett Creeley * Returns 0 on success, negative on failure 6700b66a972aSBrett Creeley */ 6701b66a972aSBrett Creeley int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed) 6702b66a972aSBrett Creeley { 6703b66a972aSBrett Creeley struct ice_hw *hw = &vsi->back->hw; 6704b66a972aSBrett Creeley enum ice_status status; 6705b66a972aSBrett Creeley 6706b66a972aSBrett Creeley if (!seed) 6707b66a972aSBrett Creeley return -EINVAL; 6708b66a972aSBrett Creeley 6709b66a972aSBrett Creeley status = ice_aq_set_rss_key(hw, vsi->idx, (struct ice_aqc_get_set_rss_keys *)seed); 6710b66a972aSBrett Creeley if (status) { 6711b66a972aSBrett Creeley dev_err(ice_pf_to_dev(vsi->back), "Cannot set RSS key, err %s aq_err %s\n", 6712b66a972aSBrett Creeley ice_stat_str(status), 6713b66a972aSBrett Creeley ice_aq_str(hw->adminq.sq_last_status)); 6714b66a972aSBrett Creeley return -EIO; 6715b66a972aSBrett Creeley } 6716b66a972aSBrett Creeley 6717b66a972aSBrett Creeley return 0; 6718b66a972aSBrett Creeley } 6719b66a972aSBrett Creeley 6720b66a972aSBrett Creeley /** 6721b66a972aSBrett Creeley * ice_get_rss_lut - Get RSS LUT 6722d76a60baSAnirudh Venkataramanan * @vsi: Pointer to VSI structure 6723d76a60baSAnirudh Venkataramanan * @lut: Buffer to store the lookup table entries 6724d76a60baSAnirudh Venkataramanan * @lut_size: Size of buffer to store the lookup table entries 6725d76a60baSAnirudh Venkataramanan * 6726d76a60baSAnirudh Venkataramanan * Returns 0 on success, negative on failure 6727d76a60baSAnirudh Venkataramanan */ 6728b66a972aSBrett Creeley int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size) 6729d76a60baSAnirudh Venkataramanan { 6730b66a972aSBrett Creeley struct ice_aq_get_set_rss_lut_params params = {}; 6731b66a972aSBrett Creeley struct ice_hw *hw = &vsi->back->hw; 6732d76a60baSAnirudh Venkataramanan enum ice_status status; 6733d76a60baSAnirudh Venkataramanan 6734b66a972aSBrett Creeley if (!lut) 6735b66a972aSBrett Creeley return -EINVAL; 6736d76a60baSAnirudh Venkataramanan 6737b66a972aSBrett Creeley params.vsi_handle = vsi->idx; 6738b66a972aSBrett Creeley params.lut_size = lut_size; 6739b66a972aSBrett Creeley params.lut_type = vsi->rss_lut_type; 6740b66a972aSBrett Creeley params.lut = lut; 6741b66a972aSBrett Creeley 6742b66a972aSBrett Creeley status = ice_aq_get_rss_lut(hw, ¶ms); 6743d76a60baSAnirudh Venkataramanan if (status) { 6744b66a972aSBrett Creeley dev_err(ice_pf_to_dev(vsi->back), "Cannot get RSS lut, err %s aq_err %s\n", 67450fee3577SLihong Yang ice_stat_str(status), 67469d68a79cSJesse Brandeburg ice_aq_str(hw->adminq.sq_last_status)); 6747d76a60baSAnirudh Venkataramanan return -EIO; 6748d76a60baSAnirudh Venkataramanan } 6749b66a972aSBrett Creeley 6750b66a972aSBrett Creeley return 0; 6751d76a60baSAnirudh Venkataramanan } 6752d76a60baSAnirudh Venkataramanan 6753b66a972aSBrett Creeley /** 6754b66a972aSBrett Creeley * ice_get_rss_key - Get RSS key 6755b66a972aSBrett Creeley * @vsi: Pointer to VSI structure 6756b66a972aSBrett Creeley * @seed: Buffer to store the key in 6757b66a972aSBrett Creeley * 6758b66a972aSBrett Creeley * Returns 0 on success, negative on failure 6759b66a972aSBrett Creeley */ 6760b66a972aSBrett Creeley int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed) 6761b66a972aSBrett Creeley { 6762b66a972aSBrett Creeley struct ice_hw *hw = &vsi->back->hw; 6763b66a972aSBrett Creeley enum ice_status status; 6764e3c53928SBrett Creeley 6765b66a972aSBrett Creeley if (!seed) 6766b66a972aSBrett Creeley return -EINVAL; 6767b66a972aSBrett Creeley 6768b66a972aSBrett Creeley status = ice_aq_get_rss_key(hw, vsi->idx, (struct ice_aqc_get_set_rss_keys *)seed); 6769d76a60baSAnirudh Venkataramanan if (status) { 6770b66a972aSBrett Creeley dev_err(ice_pf_to_dev(vsi->back), "Cannot get RSS key, err %s aq_err %s\n", 67710fee3577SLihong Yang ice_stat_str(status), 67729d68a79cSJesse Brandeburg ice_aq_str(hw->adminq.sq_last_status)); 6773d76a60baSAnirudh Venkataramanan return -EIO; 6774d76a60baSAnirudh Venkataramanan } 6775d76a60baSAnirudh Venkataramanan 6776d76a60baSAnirudh Venkataramanan return 0; 6777d76a60baSAnirudh Venkataramanan } 6778d76a60baSAnirudh Venkataramanan 6779d76a60baSAnirudh Venkataramanan /** 6780b1edc14aSMd Fahad Iqbal Polash * ice_bridge_getlink - Get the hardware bridge mode 6781b1edc14aSMd Fahad Iqbal Polash * @skb: skb buff 6782f9867df6SAnirudh Venkataramanan * @pid: process ID 6783b1edc14aSMd Fahad Iqbal Polash * @seq: RTNL message seq 6784b1edc14aSMd Fahad Iqbal Polash * @dev: the netdev being configured 6785b1edc14aSMd Fahad Iqbal Polash * @filter_mask: filter mask passed in 6786b1edc14aSMd Fahad Iqbal Polash * @nlflags: netlink flags passed in 6787b1edc14aSMd Fahad Iqbal Polash * 6788b1edc14aSMd Fahad Iqbal Polash * Return the bridge mode (VEB/VEPA) 6789b1edc14aSMd Fahad Iqbal Polash */ 6790b1edc14aSMd Fahad Iqbal Polash static int 6791b1edc14aSMd Fahad Iqbal Polash ice_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, 6792b1edc14aSMd Fahad Iqbal Polash struct net_device *dev, u32 filter_mask, int nlflags) 6793b1edc14aSMd Fahad Iqbal Polash { 6794b1edc14aSMd Fahad Iqbal Polash struct ice_netdev_priv *np = netdev_priv(dev); 6795b1edc14aSMd Fahad Iqbal Polash struct ice_vsi *vsi = np->vsi; 6796b1edc14aSMd Fahad Iqbal Polash struct ice_pf *pf = vsi->back; 6797b1edc14aSMd Fahad Iqbal Polash u16 bmode; 6798b1edc14aSMd Fahad Iqbal Polash 6799b1edc14aSMd Fahad Iqbal Polash bmode = pf->first_sw->bridge_mode; 6800b1edc14aSMd Fahad Iqbal Polash 6801b1edc14aSMd Fahad Iqbal Polash return ndo_dflt_bridge_getlink(skb, pid, seq, dev, bmode, 0, 0, nlflags, 6802b1edc14aSMd Fahad Iqbal Polash filter_mask, NULL); 6803b1edc14aSMd Fahad Iqbal Polash } 6804b1edc14aSMd Fahad Iqbal Polash 6805b1edc14aSMd Fahad Iqbal Polash /** 6806b1edc14aSMd Fahad Iqbal Polash * ice_vsi_update_bridge_mode - Update VSI for switching bridge mode (VEB/VEPA) 6807b1edc14aSMd Fahad Iqbal Polash * @vsi: Pointer to VSI structure 6808b1edc14aSMd Fahad Iqbal Polash * @bmode: Hardware bridge mode (VEB/VEPA) 6809b1edc14aSMd Fahad Iqbal Polash * 6810b1edc14aSMd Fahad Iqbal Polash * Returns 0 on success, negative on failure 6811b1edc14aSMd Fahad Iqbal Polash */ 6812b1edc14aSMd Fahad Iqbal Polash static int ice_vsi_update_bridge_mode(struct ice_vsi *vsi, u16 bmode) 6813b1edc14aSMd Fahad Iqbal Polash { 6814b1edc14aSMd Fahad Iqbal Polash struct ice_aqc_vsi_props *vsi_props; 6815b1edc14aSMd Fahad Iqbal Polash struct ice_hw *hw = &vsi->back->hw; 6816198a666aSBruce Allan struct ice_vsi_ctx *ctxt; 6817b1edc14aSMd Fahad Iqbal Polash enum ice_status status; 6818198a666aSBruce Allan int ret = 0; 6819b1edc14aSMd Fahad Iqbal Polash 6820b1edc14aSMd Fahad Iqbal Polash vsi_props = &vsi->info; 6821198a666aSBruce Allan 68229efe35d0STony Nguyen ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); 6823198a666aSBruce Allan if (!ctxt) 6824198a666aSBruce Allan return -ENOMEM; 6825198a666aSBruce Allan 6826198a666aSBruce Allan ctxt->info = vsi->info; 6827b1edc14aSMd Fahad Iqbal Polash 6828b1edc14aSMd Fahad Iqbal Polash if (bmode == BRIDGE_MODE_VEB) 6829b1edc14aSMd Fahad Iqbal Polash /* change from VEPA to VEB mode */ 6830198a666aSBruce Allan ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB; 6831b1edc14aSMd Fahad Iqbal Polash else 6832b1edc14aSMd Fahad Iqbal Polash /* change from VEB to VEPA mode */ 6833198a666aSBruce Allan ctxt->info.sw_flags &= ~ICE_AQ_VSI_SW_FLAG_ALLOW_LB; 6834198a666aSBruce Allan ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SW_VALID); 68355726ca0eSAnirudh Venkataramanan 6836198a666aSBruce Allan status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); 6837b1edc14aSMd Fahad Iqbal Polash if (status) { 68380fee3577SLihong Yang dev_err(ice_pf_to_dev(vsi->back), "update VSI for bridge mode failed, bmode = %d err %s aq_err %s\n", 68390fee3577SLihong Yang bmode, ice_stat_str(status), 68400fee3577SLihong Yang ice_aq_str(hw->adminq.sq_last_status)); 6841198a666aSBruce Allan ret = -EIO; 6842198a666aSBruce Allan goto out; 6843b1edc14aSMd Fahad Iqbal Polash } 6844b1edc14aSMd Fahad Iqbal Polash /* Update sw flags for book keeping */ 6845198a666aSBruce Allan vsi_props->sw_flags = ctxt->info.sw_flags; 6846b1edc14aSMd Fahad Iqbal Polash 6847198a666aSBruce Allan out: 68489efe35d0STony Nguyen kfree(ctxt); 6849198a666aSBruce Allan return ret; 6850b1edc14aSMd Fahad Iqbal Polash } 6851b1edc14aSMd Fahad Iqbal Polash 6852b1edc14aSMd Fahad Iqbal Polash /** 6853b1edc14aSMd Fahad Iqbal Polash * ice_bridge_setlink - Set the hardware bridge mode 6854b1edc14aSMd Fahad Iqbal Polash * @dev: the netdev being configured 6855b1edc14aSMd Fahad Iqbal Polash * @nlh: RTNL message 6856b1edc14aSMd Fahad Iqbal Polash * @flags: bridge setlink flags 68572fd527b7SPetr Machata * @extack: netlink extended ack 6858b1edc14aSMd Fahad Iqbal Polash * 6859b1edc14aSMd Fahad Iqbal Polash * Sets the bridge mode (VEB/VEPA) of the switch to which the netdev (VSI) is 6860b1edc14aSMd Fahad Iqbal Polash * hooked up to. Iterates through the PF VSI list and sets the loopback mode (if 6861b1edc14aSMd Fahad Iqbal Polash * not already set for all VSIs connected to this switch. And also update the 6862b1edc14aSMd Fahad Iqbal Polash * unicast switch filter rules for the corresponding switch of the netdev. 6863b1edc14aSMd Fahad Iqbal Polash */ 6864b1edc14aSMd Fahad Iqbal Polash static int 6865b1edc14aSMd Fahad Iqbal Polash ice_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh, 68663d505147SBruce Allan u16 __always_unused flags, 68673d505147SBruce Allan struct netlink_ext_ack __always_unused *extack) 6868b1edc14aSMd Fahad Iqbal Polash { 6869b1edc14aSMd Fahad Iqbal Polash struct ice_netdev_priv *np = netdev_priv(dev); 6870b1edc14aSMd Fahad Iqbal Polash struct ice_pf *pf = np->vsi->back; 6871b1edc14aSMd Fahad Iqbal Polash struct nlattr *attr, *br_spec; 6872b1edc14aSMd Fahad Iqbal Polash struct ice_hw *hw = &pf->hw; 6873b1edc14aSMd Fahad Iqbal Polash enum ice_status status; 6874b1edc14aSMd Fahad Iqbal Polash struct ice_sw *pf_sw; 6875b1edc14aSMd Fahad Iqbal Polash int rem, v, err = 0; 6876b1edc14aSMd Fahad Iqbal Polash 6877b1edc14aSMd Fahad Iqbal Polash pf_sw = pf->first_sw; 6878b1edc14aSMd Fahad Iqbal Polash /* find the attribute in the netlink message */ 6879b1edc14aSMd Fahad Iqbal Polash br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); 6880b1edc14aSMd Fahad Iqbal Polash 6881b1edc14aSMd Fahad Iqbal Polash nla_for_each_nested(attr, br_spec, rem) { 6882b1edc14aSMd Fahad Iqbal Polash __u16 mode; 6883b1edc14aSMd Fahad Iqbal Polash 6884b1edc14aSMd Fahad Iqbal Polash if (nla_type(attr) != IFLA_BRIDGE_MODE) 6885b1edc14aSMd Fahad Iqbal Polash continue; 6886b1edc14aSMd Fahad Iqbal Polash mode = nla_get_u16(attr); 6887b1edc14aSMd Fahad Iqbal Polash if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB) 6888b1edc14aSMd Fahad Iqbal Polash return -EINVAL; 6889b1edc14aSMd Fahad Iqbal Polash /* Continue if bridge mode is not being flipped */ 6890b1edc14aSMd Fahad Iqbal Polash if (mode == pf_sw->bridge_mode) 6891b1edc14aSMd Fahad Iqbal Polash continue; 6892b1edc14aSMd Fahad Iqbal Polash /* Iterates through the PF VSI list and update the loopback 6893b1edc14aSMd Fahad Iqbal Polash * mode of the VSI 6894b1edc14aSMd Fahad Iqbal Polash */ 6895b1edc14aSMd Fahad Iqbal Polash ice_for_each_vsi(pf, v) { 6896b1edc14aSMd Fahad Iqbal Polash if (!pf->vsi[v]) 6897b1edc14aSMd Fahad Iqbal Polash continue; 6898b1edc14aSMd Fahad Iqbal Polash err = ice_vsi_update_bridge_mode(pf->vsi[v], mode); 6899b1edc14aSMd Fahad Iqbal Polash if (err) 6900b1edc14aSMd Fahad Iqbal Polash return err; 6901b1edc14aSMd Fahad Iqbal Polash } 6902b1edc14aSMd Fahad Iqbal Polash 6903b1edc14aSMd Fahad Iqbal Polash hw->evb_veb = (mode == BRIDGE_MODE_VEB); 6904b1edc14aSMd Fahad Iqbal Polash /* Update the unicast switch filter rules for the corresponding 6905b1edc14aSMd Fahad Iqbal Polash * switch of the netdev 6906b1edc14aSMd Fahad Iqbal Polash */ 6907b1edc14aSMd Fahad Iqbal Polash status = ice_update_sw_rule_bridge_mode(hw); 6908b1edc14aSMd Fahad Iqbal Polash if (status) { 69090fee3577SLihong Yang netdev_err(dev, "switch rule update failed, mode = %d err %s aq_err %s\n", 69100fee3577SLihong Yang mode, ice_stat_str(status), 69110fee3577SLihong Yang ice_aq_str(hw->adminq.sq_last_status)); 6912b1edc14aSMd Fahad Iqbal Polash /* revert hw->evb_veb */ 6913b1edc14aSMd Fahad Iqbal Polash hw->evb_veb = (pf_sw->bridge_mode == BRIDGE_MODE_VEB); 6914b1edc14aSMd Fahad Iqbal Polash return -EIO; 6915b1edc14aSMd Fahad Iqbal Polash } 6916b1edc14aSMd Fahad Iqbal Polash 6917b1edc14aSMd Fahad Iqbal Polash pf_sw->bridge_mode = mode; 6918b1edc14aSMd Fahad Iqbal Polash } 6919b1edc14aSMd Fahad Iqbal Polash 6920b1edc14aSMd Fahad Iqbal Polash return 0; 6921b1edc14aSMd Fahad Iqbal Polash } 6922b1edc14aSMd Fahad Iqbal Polash 6923b1edc14aSMd Fahad Iqbal Polash /** 6924b3969fd7SSudheer Mogilappagari * ice_tx_timeout - Respond to a Tx Hang 6925b3969fd7SSudheer Mogilappagari * @netdev: network interface device structure 6926644f40eaSBruce Allan * @txqueue: Tx queue 6927b3969fd7SSudheer Mogilappagari */ 69280290bd29SMichael S. Tsirkin static void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue) 6929b3969fd7SSudheer Mogilappagari { 6930b3969fd7SSudheer Mogilappagari struct ice_netdev_priv *np = netdev_priv(netdev); 6931b3969fd7SSudheer Mogilappagari struct ice_ring *tx_ring = NULL; 6932b3969fd7SSudheer Mogilappagari struct ice_vsi *vsi = np->vsi; 6933b3969fd7SSudheer Mogilappagari struct ice_pf *pf = vsi->back; 6934807bc98dSBrett Creeley u32 i; 6935b3969fd7SSudheer Mogilappagari 6936b3969fd7SSudheer Mogilappagari pf->tx_timeout_count++; 6937b3969fd7SSudheer Mogilappagari 6938610ed0e9SAvinash JD /* Check if PFC is enabled for the TC to which the queue belongs 6939610ed0e9SAvinash JD * to. If yes then Tx timeout is not caused by a hung queue, no 6940610ed0e9SAvinash JD * need to reset and rebuild 6941610ed0e9SAvinash JD */ 6942610ed0e9SAvinash JD if (ice_is_pfc_causing_hung_q(pf, txqueue)) { 6943610ed0e9SAvinash JD dev_info(ice_pf_to_dev(pf), "Fake Tx hang detected on queue %u, timeout caused by PFC storm\n", 6944610ed0e9SAvinash JD txqueue); 6945610ed0e9SAvinash JD return; 6946610ed0e9SAvinash JD } 6947610ed0e9SAvinash JD 6948b3969fd7SSudheer Mogilappagari /* now that we have an index, find the tx_ring struct */ 6949bc0c6fabSBruce Allan for (i = 0; i < vsi->num_txq; i++) 6950bc0c6fabSBruce Allan if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc) 6951ed5a3f66SJulio Faracco if (txqueue == vsi->tx_rings[i]->q_index) { 6952b3969fd7SSudheer Mogilappagari tx_ring = vsi->tx_rings[i]; 6953b3969fd7SSudheer Mogilappagari break; 6954b3969fd7SSudheer Mogilappagari } 6955b3969fd7SSudheer Mogilappagari 6956b3969fd7SSudheer Mogilappagari /* Reset recovery level if enough time has elapsed after last timeout. 6957b3969fd7SSudheer Mogilappagari * Also ensure no new reset action happens before next timeout period. 6958b3969fd7SSudheer Mogilappagari */ 6959b3969fd7SSudheer Mogilappagari if (time_after(jiffies, (pf->tx_timeout_last_recovery + HZ * 20))) 6960b3969fd7SSudheer Mogilappagari pf->tx_timeout_recovery_level = 1; 6961b3969fd7SSudheer Mogilappagari else if (time_before(jiffies, (pf->tx_timeout_last_recovery + 6962b3969fd7SSudheer Mogilappagari netdev->watchdog_timeo))) 6963b3969fd7SSudheer Mogilappagari return; 6964b3969fd7SSudheer Mogilappagari 6965b3969fd7SSudheer Mogilappagari if (tx_ring) { 6966807bc98dSBrett Creeley struct ice_hw *hw = &pf->hw; 6967807bc98dSBrett Creeley u32 head, val = 0; 6968807bc98dSBrett Creeley 6969ed5a3f66SJulio Faracco head = (rd32(hw, QTX_COMM_HEAD(vsi->txq_map[txqueue])) & 6970807bc98dSBrett Creeley QTX_COMM_HEAD_HEAD_M) >> QTX_COMM_HEAD_HEAD_S; 6971b3969fd7SSudheer Mogilappagari /* Read interrupt register */ 6972ba880734SBrett Creeley val = rd32(hw, GLINT_DYN_CTL(tx_ring->q_vector->reg_idx)); 6973b3969fd7SSudheer Mogilappagari 697493ff4858STony 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", 6975ed5a3f66SJulio Faracco vsi->vsi_num, txqueue, tx_ring->next_to_clean, 6976807bc98dSBrett Creeley head, tx_ring->next_to_use, val); 6977b3969fd7SSudheer Mogilappagari } 6978b3969fd7SSudheer Mogilappagari 6979b3969fd7SSudheer Mogilappagari pf->tx_timeout_last_recovery = jiffies; 698093ff4858STony Nguyen netdev_info(netdev, "tx_timeout recovery level %d, txqueue %u\n", 6981ed5a3f66SJulio Faracco pf->tx_timeout_recovery_level, txqueue); 6982b3969fd7SSudheer Mogilappagari 6983b3969fd7SSudheer Mogilappagari switch (pf->tx_timeout_recovery_level) { 6984b3969fd7SSudheer Mogilappagari case 1: 69857e408e07SAnirudh Venkataramanan set_bit(ICE_PFR_REQ, pf->state); 6986b3969fd7SSudheer Mogilappagari break; 6987b3969fd7SSudheer Mogilappagari case 2: 69887e408e07SAnirudh Venkataramanan set_bit(ICE_CORER_REQ, pf->state); 6989b3969fd7SSudheer Mogilappagari break; 6990b3969fd7SSudheer Mogilappagari case 3: 69917e408e07SAnirudh Venkataramanan set_bit(ICE_GLOBR_REQ, pf->state); 6992b3969fd7SSudheer Mogilappagari break; 6993b3969fd7SSudheer Mogilappagari default: 6994b3969fd7SSudheer Mogilappagari netdev_err(netdev, "tx_timeout recovery unsuccessful, device is in unrecoverable state.\n"); 69957e408e07SAnirudh Venkataramanan set_bit(ICE_DOWN, pf->state); 6996e97fb1aeSAnirudh Venkataramanan set_bit(ICE_VSI_NEEDS_RESTART, vsi->state); 69977e408e07SAnirudh Venkataramanan set_bit(ICE_SERVICE_DIS, pf->state); 6998b3969fd7SSudheer Mogilappagari break; 6999b3969fd7SSudheer Mogilappagari } 7000b3969fd7SSudheer Mogilappagari 7001b3969fd7SSudheer Mogilappagari ice_service_task_schedule(pf); 7002b3969fd7SSudheer Mogilappagari pf->tx_timeout_recovery_level++; 7003b3969fd7SSudheer Mogilappagari } 7004b3969fd7SSudheer Mogilappagari 7005b3969fd7SSudheer Mogilappagari /** 7006cdedef59SAnirudh Venkataramanan * ice_open - Called when a network interface becomes active 7007cdedef59SAnirudh Venkataramanan * @netdev: network interface device structure 7008cdedef59SAnirudh Venkataramanan * 7009cdedef59SAnirudh Venkataramanan * The open entry point is called when a network interface is made 7010cdedef59SAnirudh Venkataramanan * active by the system (IFF_UP). At this point all resources needed 7011cdedef59SAnirudh Venkataramanan * for transmit and receive operations are allocated, the interrupt 7012cdedef59SAnirudh Venkataramanan * handler is registered with the OS, the netdev watchdog is enabled, 7013cdedef59SAnirudh Venkataramanan * and the stack is notified that the interface is ready. 7014cdedef59SAnirudh Venkataramanan * 7015cdedef59SAnirudh Venkataramanan * Returns 0 on success, negative value on failure 7016cdedef59SAnirudh Venkataramanan */ 70170e674aebSAnirudh Venkataramanan int ice_open(struct net_device *netdev) 7018cdedef59SAnirudh Venkataramanan { 7019cdedef59SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 7020e95fc857SKrzysztof Goreczny struct ice_pf *pf = np->vsi->back; 7021e95fc857SKrzysztof Goreczny 7022e95fc857SKrzysztof Goreczny if (ice_is_reset_in_progress(pf->state)) { 7023e95fc857SKrzysztof Goreczny netdev_err(netdev, "can't open net device while reset is in progress"); 7024e95fc857SKrzysztof Goreczny return -EBUSY; 7025e95fc857SKrzysztof Goreczny } 7026e95fc857SKrzysztof Goreczny 7027e95fc857SKrzysztof Goreczny return ice_open_internal(netdev); 7028e95fc857SKrzysztof Goreczny } 7029e95fc857SKrzysztof Goreczny 7030e95fc857SKrzysztof Goreczny /** 7031e95fc857SKrzysztof Goreczny * ice_open_internal - Called when a network interface becomes active 7032e95fc857SKrzysztof Goreczny * @netdev: network interface device structure 7033e95fc857SKrzysztof Goreczny * 7034e95fc857SKrzysztof Goreczny * Internal ice_open implementation. Should not be used directly except for ice_open and reset 7035e95fc857SKrzysztof Goreczny * handling routine 7036e95fc857SKrzysztof Goreczny * 7037e95fc857SKrzysztof Goreczny * Returns 0 on success, negative value on failure 7038e95fc857SKrzysztof Goreczny */ 7039e95fc857SKrzysztof Goreczny int ice_open_internal(struct net_device *netdev) 7040e95fc857SKrzysztof Goreczny { 7041e95fc857SKrzysztof Goreczny struct ice_netdev_priv *np = netdev_priv(netdev); 7042cdedef59SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 7043de75135bSAnirudh Venkataramanan struct ice_pf *pf = vsi->back; 70446d599946STony Nguyen struct ice_port_info *pi; 7045d348d517SAnirudh Venkataramanan enum ice_status status; 7046cdedef59SAnirudh Venkataramanan int err; 7047cdedef59SAnirudh Venkataramanan 70487e408e07SAnirudh Venkataramanan if (test_bit(ICE_NEEDS_RESTART, pf->state)) { 70490f9d5027SAnirudh Venkataramanan netdev_err(netdev, "driver needs to be unloaded and reloaded\n"); 70500f9d5027SAnirudh Venkataramanan return -EIO; 70510f9d5027SAnirudh Venkataramanan } 70520f9d5027SAnirudh Venkataramanan 7053cdedef59SAnirudh Venkataramanan netif_carrier_off(netdev); 7054cdedef59SAnirudh Venkataramanan 70556d599946STony Nguyen pi = vsi->port_info; 7056d348d517SAnirudh Venkataramanan status = ice_update_link_info(pi); 7057d348d517SAnirudh Venkataramanan if (status) { 7058d348d517SAnirudh Venkataramanan netdev_err(netdev, "Failed to get link info, error %s\n", 7059d348d517SAnirudh Venkataramanan ice_stat_str(status)); 7060d348d517SAnirudh Venkataramanan return -EIO; 70616d599946STony Nguyen } 70626d599946STony Nguyen 7063c77849f5SAnirudh Venkataramanan ice_check_module_power(pf, pi->phy.link_info.link_cfg_err); 7064c77849f5SAnirudh Venkataramanan 70656d599946STony Nguyen /* Set PHY if there is media, otherwise, turn off PHY */ 70666d599946STony Nguyen if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) { 70671a3571b5SPaul Greenwalt clear_bit(ICE_FLAG_NO_MEDIA, pf->flags); 70687e408e07SAnirudh Venkataramanan if (!test_bit(ICE_PHY_INIT_COMPLETE, pf->state)) { 70691a3571b5SPaul Greenwalt err = ice_init_phy_user_cfg(pi); 70701a3571b5SPaul Greenwalt if (err) { 70711a3571b5SPaul Greenwalt netdev_err(netdev, "Failed to initialize PHY settings, error %d\n", 70721a3571b5SPaul Greenwalt err); 70731a3571b5SPaul Greenwalt return err; 70741a3571b5SPaul Greenwalt } 70751a3571b5SPaul Greenwalt } 70761a3571b5SPaul Greenwalt 70771a3571b5SPaul Greenwalt err = ice_configure_phy(vsi); 7078b6f934f0SBrett Creeley if (err) { 707919cce2c6SAnirudh Venkataramanan netdev_err(netdev, "Failed to set physical link up, error %d\n", 70806d599946STony Nguyen err); 7081b6f934f0SBrett Creeley return err; 7082b6f934f0SBrett Creeley } 70836d599946STony Nguyen } else { 70841a3571b5SPaul Greenwalt set_bit(ICE_FLAG_NO_MEDIA, pf->flags); 7085d348d517SAnirudh Venkataramanan ice_set_link(vsi, false); 70866d599946STony Nguyen } 7087cdedef59SAnirudh Venkataramanan 7088b6f934f0SBrett Creeley err = ice_vsi_open(vsi); 7089cdedef59SAnirudh Venkataramanan if (err) 7090cdedef59SAnirudh Venkataramanan netdev_err(netdev, "Failed to open VSI 0x%04X on switch 0x%04X\n", 7091cdedef59SAnirudh Venkataramanan vsi->vsi_num, vsi->vsw->sw_id); 7092a4e82a81STony Nguyen 7093a4e82a81STony Nguyen /* Update existing tunnels information */ 7094a4e82a81STony Nguyen udp_tunnel_get_rx_info(netdev); 7095a4e82a81STony Nguyen 7096cdedef59SAnirudh Venkataramanan return err; 7097cdedef59SAnirudh Venkataramanan } 7098cdedef59SAnirudh Venkataramanan 7099cdedef59SAnirudh Venkataramanan /** 7100cdedef59SAnirudh Venkataramanan * ice_stop - Disables a network interface 7101cdedef59SAnirudh Venkataramanan * @netdev: network interface device structure 7102cdedef59SAnirudh Venkataramanan * 7103cdedef59SAnirudh Venkataramanan * The stop entry point is called when an interface is de-activated by the OS, 7104cdedef59SAnirudh Venkataramanan * and the netdevice enters the DOWN state. The hardware is still under the 7105cdedef59SAnirudh Venkataramanan * driver's control, but the netdev interface is disabled. 7106cdedef59SAnirudh Venkataramanan * 7107cdedef59SAnirudh Venkataramanan * Returns success only - not allowed to fail 7108cdedef59SAnirudh Venkataramanan */ 71090e674aebSAnirudh Venkataramanan int ice_stop(struct net_device *netdev) 7110cdedef59SAnirudh Venkataramanan { 7111cdedef59SAnirudh Venkataramanan struct ice_netdev_priv *np = netdev_priv(netdev); 7112cdedef59SAnirudh Venkataramanan struct ice_vsi *vsi = np->vsi; 7113e95fc857SKrzysztof Goreczny struct ice_pf *pf = vsi->back; 7114e95fc857SKrzysztof Goreczny 7115e95fc857SKrzysztof Goreczny if (ice_is_reset_in_progress(pf->state)) { 7116e95fc857SKrzysztof Goreczny netdev_err(netdev, "can't stop net device while reset is in progress"); 7117e95fc857SKrzysztof Goreczny return -EBUSY; 7118e95fc857SKrzysztof Goreczny } 7119cdedef59SAnirudh Venkataramanan 7120cdedef59SAnirudh Venkataramanan ice_vsi_close(vsi); 7121cdedef59SAnirudh Venkataramanan 7122cdedef59SAnirudh Venkataramanan return 0; 7123cdedef59SAnirudh Venkataramanan } 7124cdedef59SAnirudh Venkataramanan 7125e94d4478SAnirudh Venkataramanan /** 7126e94d4478SAnirudh Venkataramanan * ice_features_check - Validate encapsulated packet conforms to limits 7127e94d4478SAnirudh Venkataramanan * @skb: skb buffer 7128e94d4478SAnirudh Venkataramanan * @netdev: This port's netdev 7129e94d4478SAnirudh Venkataramanan * @features: Offload features that the stack believes apply 7130e94d4478SAnirudh Venkataramanan */ 7131e94d4478SAnirudh Venkataramanan static netdev_features_t 7132e94d4478SAnirudh Venkataramanan ice_features_check(struct sk_buff *skb, 7133e94d4478SAnirudh Venkataramanan struct net_device __always_unused *netdev, 7134e94d4478SAnirudh Venkataramanan netdev_features_t features) 7135e94d4478SAnirudh Venkataramanan { 7136e94d4478SAnirudh Venkataramanan size_t len; 7137e94d4478SAnirudh Venkataramanan 7138e94d4478SAnirudh Venkataramanan /* No point in doing any of this if neither checksum nor GSO are 7139e94d4478SAnirudh Venkataramanan * being requested for this frame. We can rule out both by just 7140e94d4478SAnirudh Venkataramanan * checking for CHECKSUM_PARTIAL 7141e94d4478SAnirudh Venkataramanan */ 7142e94d4478SAnirudh Venkataramanan if (skb->ip_summed != CHECKSUM_PARTIAL) 7143e94d4478SAnirudh Venkataramanan return features; 7144e94d4478SAnirudh Venkataramanan 7145e94d4478SAnirudh Venkataramanan /* We cannot support GSO if the MSS is going to be less than 7146e94d4478SAnirudh Venkataramanan * 64 bytes. If it is then we need to drop support for GSO. 7147e94d4478SAnirudh Venkataramanan */ 7148e94d4478SAnirudh Venkataramanan if (skb_is_gso(skb) && (skb_shinfo(skb)->gso_size < 64)) 7149e94d4478SAnirudh Venkataramanan features &= ~NETIF_F_GSO_MASK; 7150e94d4478SAnirudh Venkataramanan 7151e94d4478SAnirudh Venkataramanan len = skb_network_header(skb) - skb->data; 7152a4e82a81STony Nguyen if (len > ICE_TXD_MACLEN_MAX || len & 0x1) 7153e94d4478SAnirudh Venkataramanan goto out_rm_features; 7154e94d4478SAnirudh Venkataramanan 7155e94d4478SAnirudh Venkataramanan len = skb_transport_header(skb) - skb_network_header(skb); 7156a4e82a81STony Nguyen if (len > ICE_TXD_IPLEN_MAX || len & 0x1) 7157e94d4478SAnirudh Venkataramanan goto out_rm_features; 7158e94d4478SAnirudh Venkataramanan 7159e94d4478SAnirudh Venkataramanan if (skb->encapsulation) { 7160e94d4478SAnirudh Venkataramanan len = skb_inner_network_header(skb) - skb_transport_header(skb); 7161a4e82a81STony Nguyen if (len > ICE_TXD_L4LEN_MAX || len & 0x1) 7162e94d4478SAnirudh Venkataramanan goto out_rm_features; 7163e94d4478SAnirudh Venkataramanan 7164e94d4478SAnirudh Venkataramanan len = skb_inner_transport_header(skb) - 7165e94d4478SAnirudh Venkataramanan skb_inner_network_header(skb); 7166a4e82a81STony Nguyen if (len > ICE_TXD_IPLEN_MAX || len & 0x1) 7167e94d4478SAnirudh Venkataramanan goto out_rm_features; 7168e94d4478SAnirudh Venkataramanan } 7169e94d4478SAnirudh Venkataramanan 7170e94d4478SAnirudh Venkataramanan return features; 7171e94d4478SAnirudh Venkataramanan out_rm_features: 7172e94d4478SAnirudh Venkataramanan return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); 7173e94d4478SAnirudh Venkataramanan } 7174e94d4478SAnirudh Venkataramanan 7175462acf6aSTony Nguyen static const struct net_device_ops ice_netdev_safe_mode_ops = { 7176462acf6aSTony Nguyen .ndo_open = ice_open, 7177462acf6aSTony Nguyen .ndo_stop = ice_stop, 7178462acf6aSTony Nguyen .ndo_start_xmit = ice_start_xmit, 7179462acf6aSTony Nguyen .ndo_set_mac_address = ice_set_mac_address, 7180462acf6aSTony Nguyen .ndo_validate_addr = eth_validate_addr, 7181462acf6aSTony Nguyen .ndo_change_mtu = ice_change_mtu, 7182462acf6aSTony Nguyen .ndo_get_stats64 = ice_get_stats64, 7183462acf6aSTony Nguyen .ndo_tx_timeout = ice_tx_timeout, 7184462acf6aSTony Nguyen }; 7185462acf6aSTony Nguyen 7186cdedef59SAnirudh Venkataramanan static const struct net_device_ops ice_netdev_ops = { 7187cdedef59SAnirudh Venkataramanan .ndo_open = ice_open, 7188cdedef59SAnirudh Venkataramanan .ndo_stop = ice_stop, 71892b245cb2SAnirudh Venkataramanan .ndo_start_xmit = ice_start_xmit, 7190e94d4478SAnirudh Venkataramanan .ndo_features_check = ice_features_check, 7191e94d4478SAnirudh Venkataramanan .ndo_set_rx_mode = ice_set_rx_mode, 7192e94d4478SAnirudh Venkataramanan .ndo_set_mac_address = ice_set_mac_address, 7193e94d4478SAnirudh Venkataramanan .ndo_validate_addr = eth_validate_addr, 7194e94d4478SAnirudh Venkataramanan .ndo_change_mtu = ice_change_mtu, 7195fcea6f3dSAnirudh Venkataramanan .ndo_get_stats64 = ice_get_stats64, 71961ddef455SUsha Ketineni .ndo_set_tx_maxrate = ice_set_tx_maxrate, 719777a78115SJacob Keller .ndo_do_ioctl = ice_do_ioctl, 71987c710869SAnirudh Venkataramanan .ndo_set_vf_spoofchk = ice_set_vf_spoofchk, 71997c710869SAnirudh Venkataramanan .ndo_set_vf_mac = ice_set_vf_mac, 72007c710869SAnirudh Venkataramanan .ndo_get_vf_config = ice_get_vf_cfg, 72017c710869SAnirudh Venkataramanan .ndo_set_vf_trust = ice_set_vf_trust, 72027c710869SAnirudh Venkataramanan .ndo_set_vf_vlan = ice_set_vf_port_vlan, 72037c710869SAnirudh Venkataramanan .ndo_set_vf_link_state = ice_set_vf_link_state, 7204730fdea4SJesse Brandeburg .ndo_get_vf_stats = ice_get_vf_stats, 7205d76a60baSAnirudh Venkataramanan .ndo_vlan_rx_add_vid = ice_vlan_rx_add_vid, 7206d76a60baSAnirudh Venkataramanan .ndo_vlan_rx_kill_vid = ice_vlan_rx_kill_vid, 7207d76a60baSAnirudh Venkataramanan .ndo_set_features = ice_set_features, 7208b1edc14aSMd Fahad Iqbal Polash .ndo_bridge_getlink = ice_bridge_getlink, 7209b1edc14aSMd Fahad Iqbal Polash .ndo_bridge_setlink = ice_bridge_setlink, 7210e94d4478SAnirudh Venkataramanan .ndo_fdb_add = ice_fdb_add, 7211e94d4478SAnirudh Venkataramanan .ndo_fdb_del = ice_fdb_del, 721228bf2672SBrett Creeley #ifdef CONFIG_RFS_ACCEL 721328bf2672SBrett Creeley .ndo_rx_flow_steer = ice_rx_flow_steer, 721428bf2672SBrett Creeley #endif 7215b3969fd7SSudheer Mogilappagari .ndo_tx_timeout = ice_tx_timeout, 7216efc2214bSMaciej Fijalkowski .ndo_bpf = ice_xdp, 7217efc2214bSMaciej Fijalkowski .ndo_xdp_xmit = ice_xdp_xmit, 72182d4238f5SKrzysztof Kazimierczak .ndo_xsk_wakeup = ice_xsk_wakeup, 7219cdedef59SAnirudh Venkataramanan }; 7220