diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qede/qede_main.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qede/qede_main.c | 631 |
1 files changed, 479 insertions, 152 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 34fa3917eb33..953f304b8588 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -1,37 +1,12 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) /* QLogic qede NIC Driver * Copyright (c) 2015-2017 QLogic Corporation - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and /or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. + * Copyright (c) 2019-2020 Marvell International Ltd. */ + +#include <linux/crash_dump.h> #include <linux/module.h> #include <linux/pci.h> -#include <linux/version.h> #include <linux/device.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> @@ -60,15 +35,12 @@ #include <net/ip6_checksum.h> #include <linux/bitops.h> #include <linux/vmalloc.h> +#include <linux/aer.h> #include "qede.h" #include "qede_ptp.h" -static char version[] = - "QLogic FastLinQ 4xxxx Ethernet Driver qede " DRV_MODULE_VERSION "\n"; - MODULE_DESCRIPTION("QLogic FastLinQ 4xxxx Ethernet Driver"); MODULE_LICENSE("GPL"); -MODULE_VERSION(DRV_MODULE_VERSION); static uint debug; module_param(debug, uint, 0); @@ -124,6 +96,8 @@ static const struct pci_device_id qede_pci_tbl[] = { MODULE_DEVICE_TABLE(pci, qede_pci_tbl); static int qede_probe(struct pci_dev *pdev, const struct pci_device_id *id); +static pci_ers_result_t +qede_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state); #define TX_TIMEOUT (5 * HZ) @@ -135,10 +109,12 @@ static void qede_shutdown(struct pci_dev *pdev); static void qede_link_update(void *dev, struct qed_link_output *link); static void qede_schedule_recovery_handler(void *dev); static void qede_recovery_handler(struct qede_dev *edev); +static void qede_schedule_hw_err_handler(void *dev, + enum qed_hw_err_type err_type); static void qede_get_eth_tlv_data(void *edev, void *data); static void qede_get_generic_tlv_data(void *edev, struct qed_generic_tlvs *data); - +static void qede_generic_hw_err_handler(struct qede_dev *edev); #ifdef CONFIG_QED_SRIOV static int qede_set_vf_vlan(struct net_device *ndev, int vf, u16 vlan, u8 qos, __be16 vlan_proto) @@ -163,9 +139,7 @@ static int qede_set_vf_mac(struct net_device *ndev, int vfidx, u8 *mac) { struct qede_dev *edev = netdev_priv(ndev); - DP_VERBOSE(edev, QED_MSG_IOV, - "Setting MAC %02x:%02x:%02x:%02x:%02x:%02x to VF [%d]\n", - mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], vfidx); + DP_VERBOSE(edev, QED_MSG_IOV, "Setting MAC %pM to VF [%d]\n", mac, vfidx); if (!is_valid_ether_addr(mac)) { DP_VERBOSE(edev, QED_MSG_IOV, "MAC address isn't valid\n"); @@ -203,6 +177,10 @@ static int qede_sriov_configure(struct pci_dev *pdev, int num_vfs_param) } #endif +static const struct pci_error_handlers qede_err_handler = { + .error_detected = qede_io_error_detected, +}; + static struct pci_driver qede_pci_driver = { .name = "qede", .id_table = qede_pci_tbl, @@ -212,6 +190,7 @@ static struct pci_driver qede_pci_driver = { #ifdef CONFIG_QED_SRIOV .sriov_configure = qede_sriov_configure, #endif + .err_handler = &qede_err_handler, }; static struct qed_eth_cb_ops qede_ll_ops = { @@ -221,6 +200,7 @@ static struct qed_eth_cb_ops qede_ll_ops = { #endif .link_update = qede_link_update, .schedule_recovery_handler = qede_schedule_recovery_handler, + .schedule_hw_err_handler = qede_schedule_hw_err_handler, .get_generic_tlv_data = qede_get_generic_tlv_data, .get_protocol_tlv_data = qede_get_eth_tlv_data, }, @@ -274,7 +254,9 @@ int __init qede_init(void) { int ret; - pr_info("qede_init: %s\n", version); + pr_info("qede init: QLogic FastLinQ 4xxxx Ethernet Driver qede\n"); + + qede_forced_speed_maps_init(); qed_ops = qed_get_eth_ops(); if (!qed_ops) { @@ -527,6 +509,112 @@ static int qede_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) return 0; } +static void qede_fp_sb_dump(struct qede_dev *edev, struct qede_fastpath *fp) +{ + char *p_sb = (char *)fp->sb_info->sb_virt; + u32 sb_size, i; + + sb_size = sizeof(struct status_block); + + for (i = 0; i < sb_size; i += 8) + DP_NOTICE(edev, + "%02hhX %02hhX %02hhX %02hhX %02hhX %02hhX %02hhX %02hhX\n", + p_sb[i], p_sb[i + 1], p_sb[i + 2], p_sb[i + 3], + p_sb[i + 4], p_sb[i + 5], p_sb[i + 6], p_sb[i + 7]); +} + +static void +qede_txq_fp_log_metadata(struct qede_dev *edev, + struct qede_fastpath *fp, struct qede_tx_queue *txq) +{ + struct qed_chain *p_chain = &txq->tx_pbl; + + /* Dump txq/fp/sb ids etc. other metadata */ + DP_NOTICE(edev, + "fpid 0x%x sbid 0x%x txqid [0x%x] ndev_qid [0x%x] cos [0x%x] p_chain %p cap %d size %d jiffies %lu HZ 0x%x\n", + fp->id, fp->sb_info->igu_sb_id, txq->index, txq->ndev_txq_id, txq->cos, + p_chain, p_chain->capacity, p_chain->size, jiffies, HZ); + + /* Dump all the relevant prod/cons indexes */ + DP_NOTICE(edev, + "hw cons %04x sw_tx_prod=0x%x, sw_tx_cons=0x%x, bd_prod 0x%x bd_cons 0x%x\n", + le16_to_cpu(*txq->hw_cons_ptr), txq->sw_tx_prod, txq->sw_tx_cons, + qed_chain_get_prod_idx(p_chain), qed_chain_get_cons_idx(p_chain)); +} + +static void +qede_tx_log_print(struct qede_dev *edev, struct qede_fastpath *fp, struct qede_tx_queue *txq) +{ + struct qed_sb_info_dbg sb_dbg; + int rc; + + /* sb info */ + qede_fp_sb_dump(edev, fp); + + memset(&sb_dbg, 0, sizeof(sb_dbg)); + rc = edev->ops->common->get_sb_info(edev->cdev, fp->sb_info, (u16)fp->id, &sb_dbg); + + DP_NOTICE(edev, "IGU: prod %08x cons %08x CAU Tx %04x\n", + sb_dbg.igu_prod, sb_dbg.igu_cons, sb_dbg.pi[TX_PI(txq->cos)]); + + /* report to mfw */ + edev->ops->common->mfw_report(edev->cdev, + "Txq[%d]: FW cons [host] %04x, SW cons %04x, SW prod %04x [Jiffies %lu]\n", + txq->index, le16_to_cpu(*txq->hw_cons_ptr), + qed_chain_get_cons_idx(&txq->tx_pbl), + qed_chain_get_prod_idx(&txq->tx_pbl), jiffies); + if (!rc) + edev->ops->common->mfw_report(edev->cdev, + "Txq[%d]: SB[0x%04x] - IGU: prod %08x cons %08x CAU Tx %04x\n", + txq->index, fp->sb_info->igu_sb_id, + sb_dbg.igu_prod, sb_dbg.igu_cons, + sb_dbg.pi[TX_PI(txq->cos)]); +} + +static void qede_tx_timeout(struct net_device *dev, unsigned int txqueue) +{ + struct qede_dev *edev = netdev_priv(dev); + int i; + + netif_carrier_off(dev); + DP_NOTICE(edev, "TX timeout on queue %u!\n", txqueue); + + for_each_queue(i) { + struct qede_tx_queue *txq; + struct qede_fastpath *fp; + int cos; + + fp = &edev->fp_array[i]; + if (!(fp->type & QEDE_FASTPATH_TX)) + continue; + + for_each_cos_in_txq(edev, cos) { + txq = &fp->txq[cos]; + + /* Dump basic metadata for all queues */ + qede_txq_fp_log_metadata(edev, fp, txq); + + if (qed_chain_get_cons_idx(&txq->tx_pbl) != + qed_chain_get_prod_idx(&txq->tx_pbl)) + qede_tx_log_print(edev, fp, txq); + } + } + + if (IS_VF(edev)) + return; + + if (test_and_set_bit(QEDE_ERR_IS_HANDLED, &edev->err_flags) || + edev->state == QEDE_STATE_RECOVERY) { + DP_INFO(edev, + "Avoid handling a Tx timeout while another HW error is being handled\n"); + return; + } + + set_bit(QEDE_ERR_GET_DBG_INFO, &edev->err_flags); + set_bit(QEDE_SP_HW_ERR, &edev->sp_flags); + schedule_delayed_work(&edev->sp_task, 0); +} + static int qede_setup_tc(struct net_device *ndev, u8 num_tc) { struct qede_dev *edev = netdev_priv(ndev); @@ -605,78 +693,75 @@ qede_setup_tc_offload(struct net_device *dev, enum tc_setup_type type, } static const struct net_device_ops qede_netdev_ops = { - .ndo_open = qede_open, - .ndo_stop = qede_close, - .ndo_start_xmit = qede_start_xmit, - .ndo_select_queue = qede_select_queue, - .ndo_set_rx_mode = qede_set_rx_mode, - .ndo_set_mac_address = qede_set_mac_addr, - .ndo_validate_addr = eth_validate_addr, - .ndo_change_mtu = qede_change_mtu, - .ndo_do_ioctl = qede_ioctl, + .ndo_open = qede_open, + .ndo_stop = qede_close, + .ndo_start_xmit = qede_start_xmit, + .ndo_select_queue = qede_select_queue, + .ndo_set_rx_mode = qede_set_rx_mode, + .ndo_set_mac_address = qede_set_mac_addr, + .ndo_validate_addr = eth_validate_addr, + .ndo_change_mtu = qede_change_mtu, + .ndo_eth_ioctl = qede_ioctl, + .ndo_tx_timeout = qede_tx_timeout, #ifdef CONFIG_QED_SRIOV - .ndo_set_vf_mac = qede_set_vf_mac, - .ndo_set_vf_vlan = qede_set_vf_vlan, - .ndo_set_vf_trust = qede_set_vf_trust, + .ndo_set_vf_mac = qede_set_vf_mac, + .ndo_set_vf_vlan = qede_set_vf_vlan, + .ndo_set_vf_trust = qede_set_vf_trust, #endif - .ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid, - .ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid, - .ndo_fix_features = qede_fix_features, - .ndo_set_features = qede_set_features, - .ndo_get_stats64 = qede_get_stats64, + .ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid, + .ndo_fix_features = qede_fix_features, + .ndo_set_features = qede_set_features, + .ndo_get_stats64 = qede_get_stats64, #ifdef CONFIG_QED_SRIOV - .ndo_set_vf_link_state = qede_set_vf_link_state, - .ndo_set_vf_spoofchk = qede_set_vf_spoofchk, - .ndo_get_vf_config = qede_get_vf_config, - .ndo_set_vf_rate = qede_set_vf_rate, + .ndo_set_vf_link_state = qede_set_vf_link_state, + .ndo_set_vf_spoofchk = qede_set_vf_spoofchk, + .ndo_get_vf_config = qede_get_vf_config, + .ndo_set_vf_rate = qede_set_vf_rate, #endif - .ndo_udp_tunnel_add = qede_udp_tunnel_add, - .ndo_udp_tunnel_del = qede_udp_tunnel_del, - .ndo_features_check = qede_features_check, - .ndo_bpf = qede_xdp, + .ndo_features_check = qede_features_check, + .ndo_bpf = qede_xdp, #ifdef CONFIG_RFS_ACCEL - .ndo_rx_flow_steer = qede_rx_flow_steer, + .ndo_rx_flow_steer = qede_rx_flow_steer, #endif - .ndo_setup_tc = qede_setup_tc_offload, + .ndo_xdp_xmit = qede_xdp_transmit, + .ndo_setup_tc = qede_setup_tc_offload, }; static const struct net_device_ops qede_netdev_vf_ops = { - .ndo_open = qede_open, - .ndo_stop = qede_close, - .ndo_start_xmit = qede_start_xmit, - .ndo_select_queue = qede_select_queue, - .ndo_set_rx_mode = qede_set_rx_mode, - .ndo_set_mac_address = qede_set_mac_addr, - .ndo_validate_addr = eth_validate_addr, - .ndo_change_mtu = qede_change_mtu, - .ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid, - .ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid, - .ndo_fix_features = qede_fix_features, - .ndo_set_features = qede_set_features, - .ndo_get_stats64 = qede_get_stats64, - .ndo_udp_tunnel_add = qede_udp_tunnel_add, - .ndo_udp_tunnel_del = qede_udp_tunnel_del, - .ndo_features_check = qede_features_check, + .ndo_open = qede_open, + .ndo_stop = qede_close, + .ndo_start_xmit = qede_start_xmit, + .ndo_select_queue = qede_select_queue, + .ndo_set_rx_mode = qede_set_rx_mode, + .ndo_set_mac_address = qede_set_mac_addr, + .ndo_validate_addr = eth_validate_addr, + .ndo_change_mtu = qede_change_mtu, + .ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid, + .ndo_fix_features = qede_fix_features, + .ndo_set_features = qede_set_features, + .ndo_get_stats64 = qede_get_stats64, + .ndo_features_check = qede_features_check, }; static const struct net_device_ops qede_netdev_vf_xdp_ops = { - .ndo_open = qede_open, - .ndo_stop = qede_close, - .ndo_start_xmit = qede_start_xmit, - .ndo_select_queue = qede_select_queue, - .ndo_set_rx_mode = qede_set_rx_mode, - .ndo_set_mac_address = qede_set_mac_addr, - .ndo_validate_addr = eth_validate_addr, - .ndo_change_mtu = qede_change_mtu, - .ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid, - .ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid, - .ndo_fix_features = qede_fix_features, - .ndo_set_features = qede_set_features, - .ndo_get_stats64 = qede_get_stats64, - .ndo_udp_tunnel_add = qede_udp_tunnel_add, - .ndo_udp_tunnel_del = qede_udp_tunnel_del, - .ndo_features_check = qede_features_check, - .ndo_bpf = qede_xdp, + .ndo_open = qede_open, + .ndo_stop = qede_close, + .ndo_start_xmit = qede_start_xmit, + .ndo_select_queue = qede_select_queue, + .ndo_set_rx_mode = qede_set_rx_mode, + .ndo_set_mac_address = qede_set_mac_addr, + .ndo_validate_addr = eth_validate_addr, + .ndo_change_mtu = qede_change_mtu, + .ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid, + .ndo_fix_features = qede_fix_features, + .ndo_set_features = qede_set_features, + .ndo_get_stats64 = qede_get_stats64, + .ndo_features_check = qede_features_check, + .ndo_bpf = qede_xdp, + .ndo_xdp_xmit = qede_xdp_transmit, }; /* ------------------------------------------------------------------------- @@ -707,8 +792,14 @@ static struct qede_dev *qede_alloc_etherdev(struct qed_dev *cdev, edev->dp_module = dp_module; edev->dp_level = dp_level; edev->ops = qed_ops; - edev->q_num_rx_buffers = NUM_RX_BDS_DEF; - edev->q_num_tx_buffers = NUM_TX_BDS_DEF; + + if (is_kdump_kernel()) { + edev->q_num_rx_buffers = NUM_RX_BDS_KDUMP_MIN; + edev->q_num_tx_buffers = NUM_TX_BDS_KDUMP_MIN; + } else { + edev->q_num_rx_buffers = NUM_RX_BDS_DEF; + edev->q_num_tx_buffers = NUM_TX_BDS_DEF; + } DP_INFO(edev, "Allocated netdev with %d tx queues and %d rx queues\n", info->num_queues, info->num_queues); @@ -763,7 +854,7 @@ static void qede_init_ndev(struct qede_dev *edev) NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_TC; - if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) + if (edev->dev_info.common.b_arfs_capable) hw_features |= NETIF_F_NTUPLE; if (edev->dev_info.common.vxlan_enable || @@ -783,6 +874,8 @@ static void qede_init_ndev(struct qede_dev *edev) NETIF_F_GSO_UDP_TUNNEL_CSUM); ndev->hw_enc_features |= (NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_UDP_TUNNEL_CSUM); + + qede_set_udp_tunnels(edev); } if (edev->dev_info.common.gre_enable) { @@ -804,7 +897,7 @@ static void qede_init_ndev(struct qede_dev *edev) ndev->max_mtu = QEDE_MAX_JUMBO_PACKET_SIZE; /* Set network device HW mac */ - ether_addr_copy(edev->ndev->dev_addr, edev->dev_info.common.hw_mac); + eth_hw_addr_set(edev->ndev, edev->dev_info.common.hw_mac); ndev->mtu = edev->dev_info.common.mtu; } @@ -867,6 +960,7 @@ static int qede_alloc_fp_array(struct qede_dev *edev) { u8 fp_combined, fp_rx = edev->fp_num_rx; struct qede_fastpath *fp; + void *mem; int i; edev->fp_array = kcalloc(QEDE_QUEUE_CNT(edev), @@ -876,6 +970,15 @@ static int qede_alloc_fp_array(struct qede_dev *edev) goto err; } + mem = krealloc(edev->coal_entry, QEDE_QUEUE_CNT(edev) * + sizeof(*edev->coal_entry), GFP_KERNEL); + if (!mem) { + DP_ERR(edev, "coalesce entry allocation failed\n"); + kfree(edev->coal_entry); + goto err; + } + edev->coal_entry = mem; + fp_combined = QEDE_QUEUE_CNT(edev) - fp_rx - edev->fp_num_tx; /* Allocate the FP elements for Rx queues followed by combined and then @@ -963,6 +1066,13 @@ static void qede_sp_task(struct work_struct *work) struct qede_dev *edev = container_of(work, struct qede_dev, sp_task.work); + /* Disable execution of this deferred work once + * qede removal is in progress, this stop any future + * scheduling of sp_task. + */ + if (test_bit(QEDE_SP_DISABLE, &edev->sp_flags)) + return; + /* The locking scheme depends on the specific flag: * In case of QEDE_SP_RECOVERY, acquiring the RTNL lock is required to * ensure that ongoing flows are ended and new ones are not started. @@ -974,7 +1084,8 @@ static void qede_sp_task(struct work_struct *work) /* SRIOV must be disabled outside the lock to avoid a deadlock. * The recovery of the active VFs is currently not supported. */ - qede_sriov_configure(edev->pdev, 0); + if (pci_num_vf(edev->pdev)) + qede_sriov_configure(edev->pdev, 0); #endif qede_lock(edev); qede_recovery_handler(edev); @@ -993,7 +1104,20 @@ static void qede_sp_task(struct work_struct *work) qede_process_arfs_filters(edev, false); } #endif + if (test_and_clear_bit(QEDE_SP_HW_ERR, &edev->sp_flags)) + qede_generic_hw_err_handler(edev); __qede_unlock(edev); + + if (test_and_clear_bit(QEDE_SP_AER, &edev->sp_flags)) { +#ifdef CONFIG_QED_SRIOV + /* SRIOV must be disabled outside the lock to avoid a deadlock. + * The recovery of the active VFs is currently not supported. + */ + if (pci_num_vf(edev->pdev)) + qede_sriov_configure(edev->pdev, 0); +#endif + edev->ops->common->recovery_process(edev->cdev); + } } static void qede_update_pf_params(struct qed_dev *cdev) @@ -1090,11 +1214,7 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level, /* Start the Slowpath-process */ memset(&sp_params, 0, sizeof(sp_params)); sp_params.int_mode = QED_INT_MODE_MSIX; - sp_params.drv_major = QEDE_MAJOR_VERSION; - sp_params.drv_minor = QEDE_MINOR_VERSION; - sp_params.drv_rev = QEDE_REVISION_VERSION; - sp_params.drv_eng = QEDE_ENGINEERING_VERSION; - strlcpy(sp_params.name, "qede LAN", QED_DRV_VER_STR_SIZE); + strscpy(sp_params.name, "qede LAN", QED_DRV_VER_STR_SIZE); rc = qed_ops->common->slowpath_start(cdev, &sp_params); if (rc) { pr_notice("Cannot start slowpath\n"); @@ -1113,10 +1233,21 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level, rc = -ENOMEM; goto err2; } + + edev->devlink = qed_ops->common->devlink_register(cdev); + if (IS_ERR(edev->devlink)) { + DP_NOTICE(edev, "Cannot register devlink\n"); + rc = PTR_ERR(edev->devlink); + edev->devlink = NULL; + goto err3; + } } else { struct net_device *ndev = pci_get_drvdata(pdev); + struct qed_devlink *qdl; edev = netdev_priv(ndev); + qdl = devlink_priv(edev->devlink); + qdl->cdev = cdev; edev->cdev = cdev; memset(&edev->stats, 0, sizeof(edev->stats)); memcpy(&edev->dev_info, &dev_info, sizeof(dev_info)); @@ -1151,7 +1282,7 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level, /* PTP not supported on VFs */ if (!is_vf) - qede_ptp_enable(edev, (mode == QEDE_PROBE_NORMAL)); + qede_ptp_enable(edev); edev->ops->register_ops(cdev, &qede_ll_ops, edev); @@ -1168,7 +1299,10 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level, err4: qede_rdma_dev_remove(edev, (mode == QEDE_PROBE_RECOVERY)); err3: - free_netdev(edev->ndev); + if (mode != QEDE_PROBE_RECOVERY) + free_netdev(edev->ndev); + else + edev->cdev = NULL; err2: qed_ops->common->slowpath_stop(cdev); err1: @@ -1224,6 +1358,7 @@ static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode) qede_rdma_dev_remove(edev, (mode == QEDE_REMOVE_RECOVERY)); if (mode != QEDE_REMOVE_RECOVERY) { + set_bit(QEDE_SP_DISABLE, &edev->sp_flags); unregister_netdev(ndev); cancel_delayed_work_sync(&edev->sp_task); @@ -1239,7 +1374,13 @@ static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode) qed_ops->common->slowpath_stop(cdev); if (system_state == SYSTEM_POWER_OFF) return; + + if (mode != QEDE_REMOVE_RECOVERY && edev->devlink) { + qed_ops->common->devlink_unregister(edev->devlink); + edev->devlink = NULL; + } qed_ops->common->remove(cdev); + edev->cdev = NULL; /* Since this can happen out-of-sync with other flows, * don't release the netdevice until after slowpath stop @@ -1247,8 +1388,10 @@ static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode) * [e.g., QED register callbacks] won't break anything when * accessing the netdevice. */ - if (mode != QEDE_REMOVE_RECOVERY) + if (mode != QEDE_REMOVE_RECOVERY) { + kfree(edev->coal_entry); free_netdev(ndev); + } dev_info(&pdev->dev, "Ending qede_remove successfully\n"); } @@ -1313,7 +1456,7 @@ static void qede_free_mem_sb(struct qede_dev *edev, struct qed_sb_info *sb_info, static int qede_alloc_mem_sb(struct qede_dev *edev, struct qed_sb_info *sb_info, u16 sb_id) { - struct status_block_e4 *sb_virt; + struct status_block *sb_virt; dma_addr_t sb_phys; int rc; @@ -1384,6 +1527,11 @@ static void qede_set_tpa_param(struct qede_rx_queue *rxq) /* This function allocates all memory needed per Rx queue */ static int qede_alloc_mem_rxq(struct qede_dev *edev, struct qede_rx_queue *rxq) { + struct qed_chain_init_params params = { + .cnt_type = QED_CHAIN_CNT_TYPE_U16, + .num_elems = RX_RING_SIZE, + }; + struct qed_dev *cdev = edev->cdev; int i, rc, size; rxq->num_rx_buffers = edev->q_num_rx_buffers; @@ -1398,7 +1546,7 @@ static int qede_alloc_mem_rxq(struct qede_dev *edev, struct qede_rx_queue *rxq) if (rxq->rx_buf_size + size > PAGE_SIZE) rxq->rx_buf_size = PAGE_SIZE - size; - /* Segment size to spilt a page in multiple equal parts , + /* Segment size to split a page in multiple equal parts, * unless XDP is used in which case we'd use the entire page. */ if (!edev->xdp_prog) { @@ -1419,24 +1567,20 @@ static int qede_alloc_mem_rxq(struct qede_dev *edev, struct qede_rx_queue *rxq) } /* Allocate FW Rx ring */ - rc = edev->ops->common->chain_alloc(edev->cdev, - QED_CHAIN_USE_TO_CONSUME_PRODUCE, - QED_CHAIN_MODE_NEXT_PTR, - QED_CHAIN_CNT_TYPE_U16, - RX_RING_SIZE, - sizeof(struct eth_rx_bd), - &rxq->rx_bd_ring, NULL); + params.mode = QED_CHAIN_MODE_NEXT_PTR; + params.intended_use = QED_CHAIN_USE_TO_CONSUME_PRODUCE; + params.elem_size = sizeof(struct eth_rx_bd); + + rc = edev->ops->common->chain_alloc(cdev, &rxq->rx_bd_ring, ¶ms); if (rc) goto err; /* Allocate FW completion ring */ - rc = edev->ops->common->chain_alloc(edev->cdev, - QED_CHAIN_USE_TO_CONSUME, - QED_CHAIN_MODE_PBL, - QED_CHAIN_CNT_TYPE_U16, - RX_RING_SIZE, - sizeof(union eth_rx_cqe), - &rxq->rx_comp_ring, NULL); + params.mode = QED_CHAIN_MODE_PBL; + params.intended_use = QED_CHAIN_USE_TO_CONSUME; + params.elem_size = sizeof(union eth_rx_cqe); + + rc = edev->ops->common->chain_alloc(cdev, &rxq->rx_comp_ring, ¶ms); if (rc) goto err; @@ -1473,7 +1617,13 @@ static void qede_free_mem_txq(struct qede_dev *edev, struct qede_tx_queue *txq) /* This function allocates all memory needed per Tx queue */ static int qede_alloc_mem_txq(struct qede_dev *edev, struct qede_tx_queue *txq) { - union eth_tx_bd_types *p_virt; + struct qed_chain_init_params params = { + .mode = QED_CHAIN_MODE_PBL, + .intended_use = QED_CHAIN_USE_TO_CONSUME_PRODUCE, + .cnt_type = QED_CHAIN_CNT_TYPE_U16, + .num_elems = edev->q_num_tx_buffers, + .elem_size = sizeof(union eth_tx_bd_types), + }; int size, rc; txq->num_tx_buffers = edev->q_num_tx_buffers; @@ -1491,13 +1641,7 @@ static int qede_alloc_mem_txq(struct qede_dev *edev, struct qede_tx_queue *txq) goto err; } - rc = edev->ops->common->chain_alloc(edev->cdev, - QED_CHAIN_USE_TO_CONSUME_PRODUCE, - QED_CHAIN_MODE_PBL, - QED_CHAIN_CNT_TYPE_U16, - txq->num_tx_buffers, - sizeof(*p_virt), - &txq->tx_pbl, NULL); + rc = edev->ops->common->chain_alloc(edev->cdev, &txq->tx_pbl, ¶ms); if (rc) goto err; @@ -1653,6 +1797,7 @@ static void qede_init_fp(struct qede_dev *edev) { int queue_id, rxq_index = 0, txq_index = 0; struct qede_fastpath *fp; + bool init_xdp = false; for_each_queue(queue_id) { fp = &edev->fp_array[queue_id]; @@ -1664,6 +1809,9 @@ static void qede_init_fp(struct qede_dev *edev) fp->xdp_tx->index = QEDE_TXQ_IDX_TO_XDP(edev, rxq_index); fp->xdp_tx->is_xdp = 1; + + spin_lock_init(&fp->xdp_tx->xdp_tx_lock); + init_xdp = true; } if (fp->type & QEDE_FASTPATH_RX) { @@ -1678,7 +1826,14 @@ static void qede_init_fp(struct qede_dev *edev) /* Driver have no error path from here */ WARN_ON(xdp_rxq_info_reg(&fp->rxq->xdp_rxq, edev->ndev, - fp->rxq->rxq_id) < 0); + fp->rxq->rxq_id, 0) < 0); + + if (xdp_rxq_info_reg_mem_model(&fp->rxq->xdp_rxq, + MEM_TYPE_PAGE_ORDER0, + NULL)) { + DP_NOTICE(edev, + "Failed to register XDP memory model\n"); + } } if (fp->type & QEDE_FASTPATH_TX) { @@ -1694,7 +1849,7 @@ static void qede_init_fp(struct qede_dev *edev) txq->ndev_txq_id = ndev_tx_id; if (edev->dev_info.is_legacy) - txq->is_legacy = 1; + txq->is_legacy = true; txq->dev = &edev->pdev->dev; } @@ -1704,6 +1859,11 @@ static void qede_init_fp(struct qede_dev *edev) snprintf(fp->name, sizeof(fp->name), "%s-fp-%d", edev->ndev->name, queue_id); } + + if (init_xdp) { + edev->total_xdp_queues = QEDE_RSS_COUNT(edev); + DP_INFO(edev, "Total XDP queues: %u\n", edev->total_xdp_queues); + } } static int qede_set_real_num_queues(struct qede_dev *edev) @@ -1744,8 +1904,7 @@ static void qede_napi_add_enable(struct qede_dev *edev) /* Add NAPI objects */ for_each_queue(i) { - netif_napi_add(edev->ndev, &edev->fp_array[i].napi, - qede_poll, NAPI_POLL_WEIGHT); + netif_napi_add(edev->ndev, &edev->fp_array[i].napi, qede_poll); napi_enable(&edev->fp_array[i].napi); } } @@ -1756,7 +1915,6 @@ static void qede_sync_free_irqs(struct qede_dev *edev) for (i = 0; i < edev->int_info.used_cnt; i++) { if (edev->int_info.msix_cnt) { - synchronize_irq(edev->int_info.msix[i].vector); free_irq(edev->int_info.msix[i].vector, &edev->fp_array[i]); } else { @@ -1765,6 +1923,7 @@ static void qede_sync_free_irqs(struct qede_dev *edev) } edev->int_info.used_cnt = 0; + edev->int_info.msix_cnt = 0; } static int qede_req_msix_irqs(struct qede_dev *edev) @@ -1797,6 +1956,12 @@ static int qede_req_msix_irqs(struct qede_dev *edev) &edev->fp_array[i]); if (rc) { DP_ERR(edev, "Request fp %d irq failed\n", i); +#ifdef CONFIG_RFS_ACCEL + if (edev->ndev->rx_cpu_rmap) + free_irq_cpu_rmap(edev->ndev->rx_cpu_rmap); + + edev->ndev->rx_cpu_rmap = NULL; +#endif qede_sync_free_irqs(edev); return rc; } @@ -2189,6 +2354,15 @@ static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode, rc = qede_stop_queues(edev); if (rc) { +#ifdef CONFIG_RFS_ACCEL + if (edev->dev_info.common.b_arfs_capable) { + qede_poll_for_freeing_arfs_filters(edev); + if (edev->ndev->rx_cpu_rmap) + free_irq_cpu_rmap(edev->ndev->rx_cpu_rmap); + + edev->ndev->rx_cpu_rmap = NULL; + } +#endif qede_sync_free_irqs(edev); goto out; } @@ -2199,7 +2373,7 @@ static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode, qede_vlan_mark_nonconfigured(edev); edev->ops->fastpath_stop(edev->cdev); - if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) { + if (edev->dev_info.common.b_arfs_capable) { qede_poll_for_freeing_arfs_filters(edev); qede_free_arfs(edev); } @@ -2238,8 +2412,9 @@ static int qede_load(struct qede_dev *edev, enum qede_load_mode mode, bool is_locked) { struct qed_link_params link_params; + struct ethtool_coalesce coal = {}; u8 num_tc; - int rc; + int rc, i; DP_INFO(edev, "Starting qede load\n"); @@ -2266,10 +2441,9 @@ static int qede_load(struct qede_dev *edev, enum qede_load_mode mode, if (rc) goto err2; - if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) { - rc = qede_alloc_arfs(edev); - if (rc) - DP_NOTICE(edev, "aRFS memory allocation failed\n"); + if (qede_alloc_arfs(edev)) { + edev->ndev->features &= ~NETIF_F_NTUPLE; + edev->dev_info.common.b_arfs_capable = false; } qede_napi_add_enable(edev); @@ -2301,12 +2475,23 @@ static int qede_load(struct qede_dev *edev, enum qede_load_mode mode, edev->state = QEDE_STATE_OPEN; + coal.rx_coalesce_usecs = QED_DEFAULT_RX_USECS; + coal.tx_coalesce_usecs = QED_DEFAULT_TX_USECS; + + for_each_queue(i) { + if (edev->coal_entry[i].isvalid) { + coal.rx_coalesce_usecs = edev->coal_entry[i].rxc; + coal.tx_coalesce_usecs = edev->coal_entry[i].txc; + } + __qede_unlock(edev); + qede_set_per_coalesce(edev->ndev, i, &coal); + __qede_lock(edev); + } DP_INFO(edev, "Ending successfully qede load\n"); goto out; err4: qede_sync_free_irqs(edev); - memset(&edev->int_info.msix_cnt, 0, sizeof(struct qed_int_info)); err3: qede_napi_disable_remove(edev); err2: @@ -2367,7 +2552,7 @@ static int qede_open(struct net_device *ndev) if (rc) return rc; - udp_tunnel_get_rx_info(ndev); + udp_tunnel_nic_reset_ntf(ndev); edev->ops->common->update_drv_state(edev->cdev, true); @@ -2380,7 +2565,8 @@ static int qede_close(struct net_device *ndev) qede_unload(edev, QEDE_UNLOAD_NORMAL, false); - edev->ops->common->update_drv_state(edev->cdev, false); + if (edev->cdev) + edev->ops->common->update_drv_state(edev->cdev, false); return 0; } @@ -2469,7 +2655,7 @@ static void qede_recovery_handler(struct qede_dev *edev) goto err; qede_config_rx_mode(edev->ndev); - udp_tunnel_get_rx_info(edev->ndev); + udp_tunnel_nic_reset_ntf(edev->ndev); } edev->state = curr_state; @@ -2482,6 +2668,98 @@ err: qede_recovery_failed(edev); } +static void qede_atomic_hw_err_handler(struct qede_dev *edev) +{ + struct qed_dev *cdev = edev->cdev; + + DP_NOTICE(edev, + "Generic non-sleepable HW error handling started - err_flags 0x%lx\n", + edev->err_flags); + + /* Get a call trace of the flow that led to the error */ + WARN_ON(test_bit(QEDE_ERR_WARN, &edev->err_flags)); + + /* Prevent HW attentions from being reasserted */ + if (test_bit(QEDE_ERR_ATTN_CLR_EN, &edev->err_flags)) + edev->ops->common->attn_clr_enable(cdev, true); + + DP_NOTICE(edev, "Generic non-sleepable HW error handling is done\n"); +} + +static void qede_generic_hw_err_handler(struct qede_dev *edev) +{ + DP_NOTICE(edev, + "Generic sleepable HW error handling started - err_flags 0x%lx\n", + edev->err_flags); + + if (edev->devlink) { + DP_NOTICE(edev, "Reporting fatal error to devlink\n"); + edev->ops->common->report_fatal_error(edev->devlink, edev->last_err_type); + } + + clear_bit(QEDE_ERR_IS_HANDLED, &edev->err_flags); + + DP_NOTICE(edev, "Generic sleepable HW error handling is done\n"); +} + +static void qede_set_hw_err_flags(struct qede_dev *edev, + enum qed_hw_err_type err_type) +{ + unsigned long err_flags = 0; + + switch (err_type) { + case QED_HW_ERR_DMAE_FAIL: + set_bit(QEDE_ERR_WARN, &err_flags); + fallthrough; + case QED_HW_ERR_MFW_RESP_FAIL: + case QED_HW_ERR_HW_ATTN: + case QED_HW_ERR_RAMROD_FAIL: + case QED_HW_ERR_FW_ASSERT: + set_bit(QEDE_ERR_ATTN_CLR_EN, &err_flags); + set_bit(QEDE_ERR_GET_DBG_INFO, &err_flags); + /* make this error as recoverable and start recovery*/ + set_bit(QEDE_ERR_IS_RECOVERABLE, &err_flags); + break; + + default: + DP_NOTICE(edev, "Unexpected HW error [%d]\n", err_type); + break; + } + + edev->err_flags |= err_flags; +} + +static void qede_schedule_hw_err_handler(void *dev, + enum qed_hw_err_type err_type) +{ + struct qede_dev *edev = dev; + + /* Fan failure cannot be masked by handling of another HW error or by a + * concurrent recovery process. + */ + if ((test_and_set_bit(QEDE_ERR_IS_HANDLED, &edev->err_flags) || + edev->state == QEDE_STATE_RECOVERY) && + err_type != QED_HW_ERR_FAN_FAIL) { + DP_INFO(edev, + "Avoid scheduling an error handling while another HW error is being handled\n"); + return; + } + + if (err_type >= QED_HW_ERR_LAST) { + DP_NOTICE(edev, "Unknown HW error [%d]\n", err_type); + clear_bit(QEDE_ERR_IS_HANDLED, &edev->err_flags); + return; + } + + edev->last_err_type = err_type; + qede_set_hw_err_flags(edev, err_type); + qede_atomic_hw_err_handler(edev); + set_bit(QEDE_SP_HW_ERR, &edev->sp_flags); + schedule_delayed_work(&edev->sp_task, 0); + + DP_INFO(edev, "Scheduled a error handler [err_type %d]\n", err_type); +} + static bool qede_is_txq_full(struct qede_dev *edev, struct qede_tx_queue *txq) { struct netdev_queue *netdev_txq; @@ -2505,8 +2783,8 @@ static void qede_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data) data->feat_flags |= QED_TLV_LSO; ether_addr_copy(data->mac[0], edev->ndev->dev_addr); - memset(data->mac[1], 0, ETH_ALEN); - memset(data->mac[2], 0, ETH_ALEN); + eth_zero_addr(data->mac[1]); + eth_zero_addr(data->mac[2]); /* Copy the first two UC macs */ netif_addr_lock_bh(edev->ndev); i = 1; @@ -2579,3 +2857,52 @@ static void qede_get_eth_tlv_data(void *dev, void *data) etlv->num_txqs_full_set = true; etlv->num_rxqs_full_set = true; } + +/** + * qede_io_error_detected(): Called when PCI error is detected + * + * @pdev: Pointer to PCI device + * @state: The current pci connection state + * + *Return: pci_ers_result_t. + * + * This function is called after a PCI bus error affecting + * this device has been detected. + */ +static pci_ers_result_t +qede_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct qede_dev *edev = netdev_priv(dev); + + if (!edev) + return PCI_ERS_RESULT_NONE; + + DP_NOTICE(edev, "IO error detected [%d]\n", state); + + __qede_lock(edev); + if (edev->state == QEDE_STATE_RECOVERY) { + DP_NOTICE(edev, "Device already in the recovery state\n"); + __qede_unlock(edev); + return PCI_ERS_RESULT_NONE; + } + + /* PF handles the recovery of its VFs */ + if (IS_VF(edev)) { + DP_VERBOSE(edev, QED_MSG_IOV, + "VF recovery is handled by its PF\n"); + __qede_unlock(edev); + return PCI_ERS_RESULT_RECOVERED; + } + + /* Close OS Tx */ + netif_tx_disable(edev->ndev); + netif_carrier_off(edev->ndev); + + set_bit(QEDE_SP_AER, &edev->sp_flags); + schedule_delayed_work(&edev->sp_task, 0); + + __qede_unlock(edev); + + return PCI_ERS_RESULT_CAN_RECOVER; +} |