X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fhns3%2Fhns3_ethdev_vf.c;h=fd20c522dc3315bd446c8f73f3ba786b77c5d1d7;hb=5f8845f4ba8f8059710bdcc39306f91743532c69;hp=16d60127078e341da41f1d7e393224d6e270e816;hpb=fdae939696a09b4010df004be06c491d9294e319;p=dpdk.git diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c index 16d6012707..fd20c522dc 100644 --- a/drivers/net/hns3/hns3_ethdev_vf.c +++ b/drivers/net/hns3/hns3_ethdev_vf.c @@ -2,29 +2,10 @@ * Copyright(c) 2018-2019 Hisilicon Limited. */ -#include -#include -#include -#include -#include -#include -#include #include - #include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include +#include #include -#include #include #include @@ -64,12 +45,18 @@ static int hns3vf_add_mc_mac_addr(struct hns3_hw *hw, static int hns3vf_remove_mc_mac_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr); /* set PCI bus mastering */ -static void +static int hns3vf_set_bus_master(const struct rte_pci_device *device, bool op) { uint16_t reg; + int ret; - rte_pci_read_config(device, ®, sizeof(reg), PCI_COMMAND); + ret = rte_pci_read_config(device, ®, sizeof(reg), PCI_COMMAND); + if (ret < 0) { + PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x", + PCI_COMMAND); + return ret; + } if (op) /* set the master bit */ @@ -77,7 +64,7 @@ hns3vf_set_bus_master(const struct rte_pci_device *device, bool op) else reg &= ~(PCI_COMMAND_MASTER); - rte_pci_write_config(device, ®, sizeof(reg), PCI_COMMAND); + return rte_pci_write_config(device, ®, sizeof(reg), PCI_COMMAND); } /** @@ -94,16 +81,34 @@ hns3vf_find_pci_capability(const struct rte_pci_device *device, int cap) uint8_t pos; uint8_t id; int ttl; + int ret; + + ret = rte_pci_read_config(device, &status, sizeof(status), PCI_STATUS); + if (ret < 0) { + PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x", PCI_STATUS); + return 0; + } - rte_pci_read_config(device, &status, sizeof(status), PCI_STATUS); if (!(status & PCI_STATUS_CAP_LIST)) return 0; ttl = MAX_PCIE_CAPABILITY; - rte_pci_read_config(device, &pos, sizeof(pos), PCI_CAPABILITY_LIST); + ret = rte_pci_read_config(device, &pos, sizeof(pos), + PCI_CAPABILITY_LIST); + if (ret < 0) { + PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x", + PCI_CAPABILITY_LIST); + return 0; + } + while (ttl-- && pos >= PCI_STD_HEADER_SIZEOF) { - rte_pci_read_config(device, &id, sizeof(id), - (pos + PCI_CAP_LIST_ID)); + ret = rte_pci_read_config(device, &id, sizeof(id), + (pos + PCI_CAP_LIST_ID)); + if (ret < 0) { + PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x", + (pos + PCI_CAP_LIST_ID)); + break; + } if (id == 0xFF) break; @@ -111,8 +116,13 @@ hns3vf_find_pci_capability(const struct rte_pci_device *device, int cap) if (id == cap) return (int)pos; - rte_pci_read_config(device, &pos, sizeof(pos), - (pos + PCI_CAP_LIST_NEXT)); + ret = rte_pci_read_config(device, &pos, sizeof(pos), + (pos + PCI_CAP_LIST_NEXT)); + if (ret < 0) { + PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x", + (pos + PCI_CAP_LIST_NEXT)); + break; + } } return 0; } @@ -122,17 +132,28 @@ hns3vf_enable_msix(const struct rte_pci_device *device, bool op) { uint16_t control; int pos; + int ret; pos = hns3vf_find_pci_capability(device, PCI_CAP_ID_MSIX); if (pos) { - rte_pci_read_config(device, &control, sizeof(control), + ret = rte_pci_read_config(device, &control, sizeof(control), (pos + PCI_MSIX_FLAGS)); + if (ret < 0) { + PMD_INIT_LOG(ERR, "Failed to read PCI offset 0x%x", + (pos + PCI_MSIX_FLAGS)); + return -ENXIO; + } + if (op) control |= PCI_MSIX_FLAGS_ENABLE; else control &= ~PCI_MSIX_FLAGS_ENABLE; - rte_pci_write_config(device, &control, sizeof(control), - (pos + PCI_MSIX_FLAGS)); + ret = rte_pci_write_config(device, &control, sizeof(control), + (pos + PCI_MSIX_FLAGS)); + if (ret < 0) { + PMD_INIT_LOG(ERR, "failed to write PCI offset 0x%x", + (pos + PCI_MSIX_FLAGS)); + } return 0; } return -ENXIO; @@ -149,7 +170,7 @@ hns3vf_add_uc_mac_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr) HNS3_MBX_MAC_VLAN_UC_ADD, mac_addr->addr_bytes, RTE_ETHER_ADDR_LEN, false, NULL, 0); if (ret) { - rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, mac_addr); hns3_err(hw, "failed to add uc mac addr(%s), ret = %d", mac_str, ret); @@ -169,7 +190,7 @@ hns3vf_remove_uc_mac_addr(struct hns3_hw *hw, struct rte_ether_addr *mac_addr) mac_addr->addr_bytes, RTE_ETHER_ADDR_LEN, false, NULL, 0); if (ret) { - rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, mac_addr); hns3_err(hw, "failed to add uc mac addr(%s), ret = %d", mac_str, ret); @@ -189,7 +210,7 @@ hns3vf_add_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr) addr = &hw->mc_addrs[i]; /* Check if there are duplicate addresses */ if (rte_is_same_ether_addr(addr, mac_addr)) { - rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, addr); hns3_err(hw, "failed to add mc mac addr, same addrs" "(%s) is added by the set_mc_mac_addr_list " @@ -200,7 +221,7 @@ hns3vf_add_mc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr) ret = hns3vf_add_mc_mac_addr(hw, mac_addr); if (ret) { - rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, mac_addr); hns3_err(hw, "failed to add mc mac addr(%s), ret = %d", mac_str, ret); @@ -235,7 +256,7 @@ hns3vf_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr, rte_spinlock_unlock(&hw->lock); if (ret) { - rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, mac_addr); hns3_err(hw, "failed to add mac addr(%s), ret = %d", mac_str, ret); @@ -262,7 +283,7 @@ hns3vf_remove_mac_addr(struct rte_eth_dev *dev, uint32_t idx) rte_spinlock_unlock(&hw->lock); if (ret) { - rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, mac_addr); hns3_err(hw, "failed to remove mac addr(%s), ret = %d", mac_str, ret); @@ -303,12 +324,12 @@ hns3vf_set_default_mac_addr(struct rte_eth_dev *dev, * -EPREM to VF driver through mailbox. */ if (ret == -EPERM) { - rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, old_addr); hns3_warn(hw, "Has permanet mac addr(%s) for vf", mac_str); } else { - rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, mac_addr); hns3_err(hw, "Failed to set mac addr(%s) for vf: %d", mac_str, ret); @@ -345,7 +366,7 @@ hns3vf_configure_mac_addr(struct hns3_adapter *hns, bool del) if (ret) { err = ret; - rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, addr); hns3_err(hw, "failed to %s mac addr(%s) index:%d " "ret = %d.", del ? "remove" : "restore", @@ -367,7 +388,7 @@ hns3vf_add_mc_mac_addr(struct hns3_hw *hw, mac_addr->addr_bytes, RTE_ETHER_ADDR_LEN, false, NULL, 0); if (ret) { - rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, mac_addr); hns3_err(hw, "Failed to add mc mac addr(%s) for vf: %d", mac_str, ret); @@ -388,7 +409,7 @@ hns3vf_remove_mc_mac_addr(struct hns3_hw *hw, mac_addr->addr_bytes, RTE_ETHER_ADDR_LEN, false, NULL, 0); if (ret) { - rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, mac_addr); hns3_err(hw, "Failed to remove mc mac addr(%s) for vf: %d", mac_str, ret); @@ -408,7 +429,7 @@ hns3vf_set_mc_addr_chk_param(struct hns3_hw *hw, uint32_t j; if (nb_mc_addr > HNS3_MC_MACADDR_NUM) { - hns3_err(hw, "failed to set mc mac addr, nb_mc_addr(%d) " + hns3_err(hw, "failed to set mc mac addr, nb_mc_addr(%u) " "invalid. valid range: 0~%d", nb_mc_addr, HNS3_MC_MACADDR_NUM); return -EINVAL; @@ -418,7 +439,7 @@ hns3vf_set_mc_addr_chk_param(struct hns3_hw *hw, for (i = 0; i < nb_mc_addr; i++) { addr = &mc_addr_set[i]; if (!rte_is_multicast_ether_addr(addr)) { - rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, addr); hns3_err(hw, "failed to set mc mac addr, addr(%s) invalid.", @@ -429,7 +450,7 @@ hns3vf_set_mc_addr_chk_param(struct hns3_hw *hw, /* Check if there are duplicate addresses */ for (j = i + 1; j < nb_mc_addr; j++) { if (rte_is_same_ether_addr(addr, &mc_addr_set[j])) { - rte_ether_format_addr(mac_str, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, addr); hns3_err(hw, "failed to set mc mac addr, " @@ -446,7 +467,7 @@ hns3vf_set_mc_addr_chk_param(struct hns3_hw *hw, for (j = 0; j < HNS3_VF_UC_MACADDR_NUM; j++) { if (rte_is_same_ether_addr(addr, &hw->data->mac_addrs[j])) { - rte_ether_format_addr(mac_str, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, addr); hns3_err(hw, "failed to set mc mac addr, " @@ -529,7 +550,7 @@ hns3vf_configure_all_mc_mac_addr(struct hns3_adapter *hns, bool del) ret = hns3vf_add_mc_mac_addr(hw, addr); if (ret) { err = ret; - rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, addr); hns3_err(hw, "Failed to %s mc mac addr: %s for vf: %d", del ? "Remove" : "Restore", mac_str, ret); @@ -574,6 +595,7 @@ hns3vf_set_promisc_mode(struct hns3_hw *hw, bool en_bc_pmc, req->msg[1] = en_bc_pmc ? 1 : 0; req->msg[2] = en_uc_pmc ? 1 : 0; req->msg[3] = en_mc_pmc ? 1 : 0; + req->msg[4] = hw->promisc_mode == HNS3_LIMIT_PROMISC_MODE ? 1 : 0; ret = hns3_cmd_send(hw, &desc, 1); if (ret) @@ -684,7 +706,7 @@ hns3vf_bind_ring_with_vector(struct hns3_hw *hw, uint8_t vector_id, ret = hns3_send_mbx_msg(hw, code, 0, (uint8_t *)&bind_msg, sizeof(bind_msg), false, NULL, 0); if (ret) - hns3_err(hw, "%s TQP %d fail, vector_id is %d, ret is %d.", + hns3_err(hw, "%s TQP %u fail, vector_id is %u, ret is %d.", op_str, queue_id, bind_msg.vector_id, ret); return ret; @@ -693,7 +715,7 @@ hns3vf_bind_ring_with_vector(struct hns3_hw *hw, uint8_t vector_id, static int hns3vf_init_ring_with_vector(struct hns3_hw *hw) { - uint8_t vec; + uint16_t vec; int ret; int i; @@ -704,33 +726,33 @@ hns3vf_init_ring_with_vector(struct hns3_hw *hw) * vector. In the initialization clearing the all hardware mapping * relationship configurations between queues and interrupt vectors is * needed, so some error caused by the residual configurations, such as - * the unexpected Tx interrupt, can be avoid. Because of the hardware - * constraints in hns3 hardware engine, we have to implement clearing - * the mapping relationship configurations by binding all queues to the - * last interrupt vector and reserving the last interrupt vector. This - * method results in a decrease of the maximum queues when upper - * applications call the rte_eth_dev_configure API function to enable - * Rx interrupt. + * the unexpected Tx interrupt, can be avoid. */ vec = hw->num_msi - 1; /* vector 0 for misc interrupt, not for queue */ - /* vec - 1: the last interrupt is reserved */ - hw->intr_tqps_num = vec > hw->tqps_num ? hw->tqps_num : vec - 1; + if (hw->intr.mapping_mode == HNS3_INTR_MAPPING_VEC_RSV_ONE) + vec = vec - 1; /* the last interrupt is reserved */ + hw->intr_tqps_num = RTE_MIN(vec, hw->tqps_num); for (i = 0; i < hw->intr_tqps_num; i++) { /* - * Set gap limiter and rate limiter configuration of queue's - * interrupt. + * Set gap limiter/rate limiter/quanity limiter algorithm + * configuration for interrupt coalesce of queue's interrupt. */ hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_RX, HNS3_TQP_INTR_GL_DEFAULT); hns3_set_queue_intr_gl(hw, i, HNS3_RING_GL_TX, HNS3_TQP_INTR_GL_DEFAULT); hns3_set_queue_intr_rl(hw, i, HNS3_TQP_INTR_RL_DEFAULT); + /* + * QL(quantity limiter) is not used currently, just set 0 to + * close it. + */ + hns3_set_queue_intr_ql(hw, i, HNS3_TQP_INTR_QL_DEFAULT); ret = hns3vf_bind_ring_with_vector(hw, vec, false, HNS3_RING_TYPE_TX, i); if (ret) { PMD_INIT_LOG(ERR, "VF fail to unbind TX ring(%d) with " - "vector: %d, ret=%d", i, vec, ret); + "vector: %u, ret=%d", i, vec, ret); return ret; } @@ -738,7 +760,7 @@ hns3vf_init_ring_with_vector(struct hns3_hw *hw) HNS3_RING_TYPE_RX, i); if (ret) { PMD_INIT_LOG(ERR, "VF fail to unbind RX ring(%d) with " - "vector: %d, ret=%d", i, vec, ret); + "vector: %u, ret=%d", i, vec, ret); return ret; } } @@ -749,30 +771,37 @@ hns3vf_init_ring_with_vector(struct hns3_hw *hw) static int hns3vf_dev_configure(struct rte_eth_dev *dev) { - struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private); - struct hns3_rss_conf *rss_cfg = &hw->rss_info; + struct hns3_adapter *hns = dev->data->dev_private; + struct hns3_hw *hw = &hns->hw; struct rte_eth_conf *conf = &dev->data->dev_conf; enum rte_eth_rx_mq_mode mq_mode = conf->rxmode.mq_mode; uint16_t nb_rx_q = dev->data->nb_rx_queues; uint16_t nb_tx_q = dev->data->nb_tx_queues; struct rte_eth_rss_conf rss_conf; + uint32_t max_rx_pkt_len; uint16_t mtu; + bool gro_en; int ret; + hw->cfg_max_queues = RTE_MAX(nb_rx_q, nb_tx_q); + /* - * Hardware does not support individually enable/disable/reset the Tx or - * Rx queue in hns3 network engine. Driver must enable/disable/reset Tx - * and Rx queues at the same time. When the numbers of Tx queues - * allocated by upper applications are not equal to the numbers of Rx - * queues, driver needs to setup fake Tx or Rx queues to adjust numbers - * of Tx/Rx queues. otherwise, network engine can not work as usual. But - * these fake queues are imperceptible, and can not be used by upper - * applications. + * Some versions of hardware network engine does not support + * individually enable/disable/reset the Tx or Rx queue. These devices + * must enable/disable/reset Tx and Rx queues at the same time. When the + * numbers of Tx queues allocated by upper applications are not equal to + * the numbers of Rx queues, driver needs to setup fake Tx or Rx queues + * to adjust numbers of Tx/Rx queues. otherwise, network engine can not + * work as usual. But these fake queues are imperceptible, and can not + * be used by upper applications. */ - ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q); - if (ret) { - hns3_err(hw, "Failed to set rx/tx fake queues: %d", ret); - return ret; + if (!hns3_dev_indep_txrx_supported(hw)) { + ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q); + if (ret) { + hns3_err(hw, "fail to set Rx/Tx fake queues, ret = %d.", + ret); + return ret; + } } hw->adapter_state = HNS3_NIC_CONFIGURING; @@ -785,12 +814,8 @@ hns3vf_dev_configure(struct rte_eth_dev *dev) /* When RSS is not configured, redirect the packet queue 0 */ if ((uint32_t)mq_mode & ETH_MQ_RX_RSS_FLAG) { conf->rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH; + hw->rss_dis_flag = false; rss_conf = conf->rx_adv_conf.rss_conf; - if (rss_conf.rss_key == NULL) { - rss_conf.rss_key = rss_cfg->key; - rss_conf.rss_key_len = HNS3_RSS_KEY_SIZE; - } - ret = hns3_dev_rss_hash_update(dev, &rss_conf); if (ret) goto cfg_err; @@ -801,12 +826,18 @@ hns3vf_dev_configure(struct rte_eth_dev *dev) * according to the maximum RX packet length. */ if (conf->rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) { - /* - * Security of max_rx_pkt_len is guaranteed in dpdk frame. - * Maximum value of max_rx_pkt_len is HNS3_MAX_FRAME_LEN, so it - * can safely assign to "uint16_t" type variable. - */ - mtu = (uint16_t)HNS3_PKTLEN_TO_MTU(conf->rxmode.max_rx_pkt_len); + max_rx_pkt_len = conf->rxmode.max_rx_pkt_len; + if (max_rx_pkt_len > HNS3_MAX_FRAME_LEN || + max_rx_pkt_len <= HNS3_DEFAULT_FRAME_LEN) { + hns3_err(hw, "maximum Rx packet length must be greater " + "than %u and less than %u when jumbo frame enabled.", + (uint16_t)HNS3_DEFAULT_FRAME_LEN, + (uint16_t)HNS3_MAX_FRAME_LEN); + ret = -EINVAL; + goto cfg_err; + } + + mtu = (uint16_t)HNS3_PKTLEN_TO_MTU(max_rx_pkt_len); ret = hns3vf_dev_mtu_set(dev, mtu); if (ret) goto cfg_err; @@ -817,6 +848,19 @@ hns3vf_dev_configure(struct rte_eth_dev *dev) if (ret) goto cfg_err; + /* config hardware GRO */ + gro_en = conf->rxmode.offloads & DEV_RX_OFFLOAD_TCP_LRO ? true : false; + ret = hns3_config_gro(hw, gro_en); + if (ret) + goto cfg_err; + + hns->rx_simple_allowed = true; + hns->rx_vec_allowed = true; + hns->tx_simple_allowed = true; + hns->tx_vec_allowed = true; + + hns3_init_rx_ptype_tble(dev); + hw->adapter_state = HNS3_NIC_CONFIGURED; return 0; @@ -855,18 +899,37 @@ hns3vf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) * MTU value issued by hns3 VF PMD driver must be less than or equal to * PF's MTU. */ - if (rte_atomic16_read(&hw->reset.resetting)) { + if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED)) { hns3_err(hw, "Failed to set mtu during resetting"); return -EIO; } + /* + * when Rx of scattered packets is off, we have some possibility of + * using vector Rx process function or simple Rx functions in hns3 PMD + * driver. If the input MTU is increased and the maximum length of + * received packets is greater than the length of a buffer for Rx + * packet, the hardware network engine needs to use multiple BDs and + * buffers to store these packets. This will cause problems when still + * using vector Rx process function or simple Rx function to receiving + * packets. So, when Rx of scattered packets is off and device is + * started, it is not permitted to increase MTU so that the maximum + * length of Rx packets is greater than Rx buffer length. + */ + if (dev->data->dev_started && !dev->data->scattered_rx && + frame_size > hw->rx_buf_len) { + hns3_err(hw, "failed to set mtu because current is " + "not scattered rx mode"); + return -EOPNOTSUPP; + } + rte_spinlock_lock(&hw->lock); ret = hns3vf_config_mtu(hw, mtu); if (ret) { rte_spinlock_unlock(&hw->lock); return ret; } - if (frame_size > RTE_ETHER_MAX_LEN) + if (mtu > RTE_ETHER_MTU) dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; else @@ -895,9 +958,10 @@ hns3vf_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info) info->max_rx_queues = q_num; info->max_tx_queues = hw->tqps_num; info->max_rx_pktlen = HNS3_MAX_FRAME_LEN; /* CRC included */ - info->min_rx_bufsize = hw->rx_buf_len; + info->min_rx_bufsize = HNS3_MIN_BD_BUF_SIZE; info->max_mac_addrs = HNS3_VF_UC_MACADDR_NUM; info->max_mtu = info->max_rx_pktlen - HNS3_ETH_OVERHEAD; + info->max_lro_pkt_size = HNS3_MAX_LRO_SIZE; info->rx_offload_capa = (DEV_RX_OFFLOAD_IPV4_CKSUM | DEV_RX_OFFLOAD_UDP_CKSUM | @@ -905,27 +969,28 @@ hns3vf_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info) DEV_RX_OFFLOAD_SCTP_CKSUM | DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM | DEV_RX_OFFLOAD_OUTER_UDP_CKSUM | - DEV_RX_OFFLOAD_KEEP_CRC | DEV_RX_OFFLOAD_SCATTER | DEV_RX_OFFLOAD_VLAN_STRIP | - DEV_RX_OFFLOAD_QINQ_STRIP | DEV_RX_OFFLOAD_VLAN_FILTER | DEV_RX_OFFLOAD_JUMBO_FRAME | - DEV_RX_OFFLOAD_RSS_HASH); - info->tx_queue_offload_capa = DEV_TX_OFFLOAD_MBUF_FAST_FREE; + DEV_RX_OFFLOAD_RSS_HASH | + DEV_RX_OFFLOAD_TCP_LRO); info->tx_offload_capa = (DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM | DEV_TX_OFFLOAD_IPV4_CKSUM | DEV_TX_OFFLOAD_TCP_CKSUM | DEV_TX_OFFLOAD_UDP_CKSUM | DEV_TX_OFFLOAD_SCTP_CKSUM | - DEV_TX_OFFLOAD_VLAN_INSERT | - DEV_TX_OFFLOAD_QINQ_INSERT | DEV_TX_OFFLOAD_MULTI_SEGS | DEV_TX_OFFLOAD_TCP_TSO | DEV_TX_OFFLOAD_VXLAN_TNL_TSO | DEV_TX_OFFLOAD_GRE_TNL_TSO | DEV_TX_OFFLOAD_GENEVE_TNL_TSO | - info->tx_queue_offload_capa); + DEV_TX_OFFLOAD_MBUF_FAST_FREE | + hns3_txvlan_cap_get(hw)); + + if (hns3_dev_indep_txrx_supported(hw)) + info->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP | + RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP; info->rx_desc_lim = (struct rte_eth_desc_lim) { .nb_max = HNS3_MAX_RING_DESC, @@ -937,11 +1002,28 @@ hns3vf_dev_infos_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *info) .nb_max = HNS3_MAX_RING_DESC, .nb_min = HNS3_MIN_RING_DESC, .nb_align = HNS3_ALIGN_RING_DESC, + .nb_seg_max = HNS3_MAX_TSO_BD_PER_PKT, + .nb_mtu_seg_max = hw->max_non_tso_bd_num, + }; + + info->default_rxconf = (struct rte_eth_rxconf) { + .rx_free_thresh = HNS3_DEFAULT_RX_FREE_THRESH, + /* + * If there are no available Rx buffer descriptors, incoming + * packets are always dropped by hardware based on hns3 network + * engine. + */ + .rx_drop_en = 1, + .offloads = 0, + }; + info->default_txconf = (struct rte_eth_txconf) { + .tx_rs_thresh = HNS3_DEFAULT_TX_RS_THRESH, + .offloads = 0, }; info->vmdq_queue_num = 0; - info->reta_size = HNS3_RSS_IND_TBL_SIZE; + info->reta_size = hw->rss_ind_tbl_size; info->hash_key_size = HNS3_RSS_KEY_SIZE; info->flow_type_rss_offloads = HNS3_ETH_RSS_SUPPORT; info->default_rxportconf.ring_size = HNS3_DEFAULT_RING_DESC; @@ -984,7 +1066,7 @@ hns3vf_check_event_cause(struct hns3_adapter *hns, uint32_t *clearval) rst_ing_reg = hns3_read_dev(hw, HNS3_FUN_RST_ING); hns3_warn(hw, "resetting reg: 0x%x", rst_ing_reg); hns3_atomic_set_bit(HNS3_VF_RESET, &hw->reset.pending); - rte_atomic16_set(&hw->reset.disable_cmd, 1); + __atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED); val = hns3_read_dev(hw, HNS3_VF_RST_ING); hns3_write_dev(hw, HNS3_VF_RST_ING, val | HNS3_VF_RST_ING_BIT); val = cmdq_stat_reg & ~BIT(HNS3_VECTOR0_RST_INT_B); @@ -1051,23 +1133,174 @@ hns3vf_interrupt_handler(void *param) hns3vf_enable_irq0(hw); } +static void +hns3vf_set_default_dev_specifications(struct hns3_hw *hw) +{ + hw->max_non_tso_bd_num = HNS3_MAX_NON_TSO_BD_PER_PKT; + hw->rss_ind_tbl_size = HNS3_RSS_IND_TBL_SIZE; + hw->rss_key_size = HNS3_RSS_KEY_SIZE; + hw->intr.int_ql_max = HNS3_INTR_QL_NONE; +} + +static void +hns3vf_parse_dev_specifications(struct hns3_hw *hw, struct hns3_cmd_desc *desc) +{ + struct hns3_dev_specs_0_cmd *req0; + + req0 = (struct hns3_dev_specs_0_cmd *)desc[0].data; + + hw->max_non_tso_bd_num = req0->max_non_tso_bd_num; + hw->rss_ind_tbl_size = rte_le_to_cpu_16(req0->rss_ind_tbl_size); + hw->rss_key_size = rte_le_to_cpu_16(req0->rss_key_size); + hw->intr.int_ql_max = rte_le_to_cpu_16(req0->intr_ql_max); +} + +static int +hns3vf_check_dev_specifications(struct hns3_hw *hw) +{ + if (hw->rss_ind_tbl_size == 0 || + hw->rss_ind_tbl_size > HNS3_RSS_IND_TBL_SIZE_MAX) { + hns3_warn(hw, "the size of hash lookup table configured (%u)" + " exceeds the maximum(%u)", hw->rss_ind_tbl_size, + HNS3_RSS_IND_TBL_SIZE_MAX); + return -EINVAL; + } + + return 0; +} + +static int +hns3vf_query_dev_specifications(struct hns3_hw *hw) +{ + struct hns3_cmd_desc desc[HNS3_QUERY_DEV_SPECS_BD_NUM]; + int ret; + int i; + + for (i = 0; i < HNS3_QUERY_DEV_SPECS_BD_NUM - 1; i++) { + hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_QUERY_DEV_SPECS, + true); + desc[i].flag |= rte_cpu_to_le_16(HNS3_CMD_FLAG_NEXT); + } + hns3_cmd_setup_basic_desc(&desc[i], HNS3_OPC_QUERY_DEV_SPECS, true); + + ret = hns3_cmd_send(hw, desc, HNS3_QUERY_DEV_SPECS_BD_NUM); + if (ret) + return ret; + + hns3vf_parse_dev_specifications(hw, desc); + + return hns3vf_check_dev_specifications(hw); +} + +static int +hns3vf_get_capability(struct hns3_hw *hw) +{ + struct rte_pci_device *pci_dev; + struct rte_eth_dev *eth_dev; + uint8_t revision; + int ret; + + eth_dev = &rte_eth_devices[hw->data->port_id]; + pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); + + /* Get PCI revision id */ + ret = rte_pci_read_config(pci_dev, &revision, HNS3_PCI_REVISION_ID_LEN, + HNS3_PCI_REVISION_ID); + if (ret != HNS3_PCI_REVISION_ID_LEN) { + PMD_INIT_LOG(ERR, "failed to read pci revision id, ret = %d", + ret); + return -EIO; + } + hw->revision = revision; + + if (revision < PCI_REVISION_ID_HIP09_A) { + hns3vf_set_default_dev_specifications(hw); + hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_RSV_ONE; + hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_2US; + hw->tso_mode = HNS3_TSO_SW_CAL_PSEUDO_H_CSUM; + hw->min_tx_pkt_len = HNS3_HIP08_MIN_TX_PKT_LEN; + hw->rss_info.ipv6_sctp_offload_supported = false; + hw->promisc_mode = HNS3_UNLIMIT_PROMISC_MODE; + return 0; + } + + ret = hns3vf_query_dev_specifications(hw); + if (ret) { + PMD_INIT_LOG(ERR, + "failed to query dev specifications, ret = %d", + ret); + return ret; + } + + hw->intr.mapping_mode = HNS3_INTR_MAPPING_VEC_ALL; + hw->intr.gl_unit = HNS3_INTR_COALESCE_GL_UINT_1US; + hw->tso_mode = HNS3_TSO_HW_CAL_PSEUDO_H_CSUM; + hw->min_tx_pkt_len = HNS3_HIP09_MIN_TX_PKT_LEN; + hw->rss_info.ipv6_sctp_offload_supported = true; + hw->promisc_mode = HNS3_LIMIT_PROMISC_MODE; + + return 0; +} + static int hns3vf_check_tqp_info(struct hns3_hw *hw) { - uint16_t tqps_num; + if (hw->tqps_num == 0) { + PMD_INIT_LOG(ERR, "Get invalid tqps_num(0) from PF."); + return -EINVAL; + } - tqps_num = hw->tqps_num; - if (tqps_num > HNS3_MAX_TQP_NUM_PER_FUNC || tqps_num == 0) { - PMD_INIT_LOG(ERR, "Get invalid tqps_num(%u) from PF. valid " - "range: 1~%d", - tqps_num, HNS3_MAX_TQP_NUM_PER_FUNC); + if (hw->rss_size_max == 0) { + PMD_INIT_LOG(ERR, "Get invalid rss_size_max(0) from PF."); return -EINVAL; } - if (hw->rx_buf_len == 0) - hw->rx_buf_len = HNS3_DEFAULT_RX_BUF_LEN; - hw->alloc_rss_size = RTE_MIN(hw->rss_size_max, hw->tqps_num); + hw->tqps_num = RTE_MIN(hw->rss_size_max, hw->tqps_num); + + return 0; +} + +static int +hns3vf_get_port_base_vlan_filter_state(struct hns3_hw *hw) +{ + uint8_t resp_msg; + int ret; + ret = hns3_send_mbx_msg(hw, HNS3_MBX_SET_VLAN, + HNS3_MBX_GET_PORT_BASE_VLAN_STATE, NULL, 0, + true, &resp_msg, sizeof(resp_msg)); + if (ret) { + if (ret == -ETIME) { + /* + * Getting current port based VLAN state from PF driver + * will not affect VF driver's basic function. Because + * the VF driver relies on hns3 PF kernel ether driver, + * to avoid introducing compatibility issues with older + * version of PF driver, no failure will be returned + * when the return value is ETIME. This return value has + * the following scenarios: + * 1) Firmware didn't return the results in time + * 2) the result return by firmware is timeout + * 3) the older version of kernel side PF driver does + * not support this mailbox message. + * For scenarios 1 and 2, it is most likely that a + * hardware error has occurred, or a hardware reset has + * occurred. In this case, these errors will be caught + * by other functions. + */ + PMD_INIT_LOG(WARNING, + "failed to get PVID state for timeout, maybe " + "kernel side PF driver doesn't support this " + "mailbox message, or firmware didn't respond."); + resp_msg = HNS3_PORT_BASE_VLAN_DISABLE; + } else { + PMD_INIT_LOG(ERR, "failed to get port based VLAN state," + " ret = %d", ret); + return ret; + } + } + hw->port_base_vlan_cfg.state = resp_msg ? + HNS3_PORT_BASE_VLAN_ENABLE : HNS3_PORT_BASE_VLAN_DISABLE; return 0; } @@ -1087,7 +1320,6 @@ hns3vf_get_queue_info(struct hns3_hw *hw) memcpy(&hw->tqps_num, &resp_msg[0], sizeof(uint16_t)); memcpy(&hw->rss_size_max, &resp_msg[2], sizeof(uint16_t)); - memcpy(&hw->rx_buf_len, &resp_msg[4], sizeof(uint16_t)); return hns3vf_check_tqp_info(hw); } @@ -1118,6 +1350,7 @@ hns3vf_get_tc_info(struct hns3_hw *hw) { uint8_t resp_msg; int ret; + uint32_t i; ret = hns3_send_mbx_msg(hw, HNS3_MBX_GET_TCINFO, 0, NULL, 0, true, &resp_msg, sizeof(resp_msg)); @@ -1129,6 +1362,11 @@ hns3vf_get_tc_info(struct hns3_hw *hw) hw->hw_tc_map = resp_msg; + for (i = 0; i < HNS3_MAX_TC_NUM; i++) { + if (hw->hw_tc_map & BIT(i)) + hw->num_tc++; + } + return 0; } @@ -1158,6 +1396,13 @@ hns3vf_get_configuration(struct hns3_hw *hw) hw->mac.media_type = HNS3_MEDIA_TYPE_NONE; hw->rss_dis_flag = false; + /* Get device capability */ + ret = hns3vf_get_capability(hw); + if (ret) { + PMD_INIT_LOG(ERR, "failed to get device capability: %d.", ret); + return ret; + } + /* Get queue configuration from PF */ ret = hns3vf_get_queue_info(hw); if (ret) @@ -1173,39 +1418,33 @@ hns3vf_get_configuration(struct hns3_hw *hw) if (ret) return ret; + ret = hns3vf_get_port_base_vlan_filter_state(hw); + if (ret) + return ret; + /* Get tc configuration from PF */ return hns3vf_get_tc_info(hw); } static int -hns3vf_set_tc_info(struct hns3_adapter *hns) +hns3vf_set_tc_queue_mapping(struct hns3_adapter *hns, uint16_t nb_rx_q, + uint16_t nb_tx_q) { struct hns3_hw *hw = &hns->hw; - uint16_t nb_rx_q = hw->data->nb_rx_queues; - uint16_t nb_tx_q = hw->data->nb_tx_queues; - uint8_t i; - - hw->num_tc = 0; - for (i = 0; i < HNS3_MAX_TC_NUM; i++) - if (hw->hw_tc_map & BIT(i)) - hw->num_tc++; if (nb_rx_q < hw->num_tc) { - hns3_err(hw, "number of Rx queues(%d) is less than tcs(%d).", + hns3_err(hw, "number of Rx queues(%u) is less than tcs(%u).", nb_rx_q, hw->num_tc); return -EINVAL; } if (nb_tx_q < hw->num_tc) { - hns3_err(hw, "number of Tx queues(%d) is less than tcs(%d).", + hns3_err(hw, "number of Tx queues(%u) is less than tcs(%u).", nb_tx_q, hw->num_tc); return -EINVAL; } - hns3_set_rss_size(hw, nb_rx_q); - hns3_tc_queue_mapping_cfg(hw, nb_tx_q); - - return 0; + return hns3_queue_to_tc_mapping(hw, nb_rx_q, nb_tx_q); } static void @@ -1214,7 +1453,7 @@ hns3vf_request_link_info(struct hns3_hw *hw) uint8_t resp_msg; int ret; - if (rte_atomic16_read(&hw->reset.resetting)) + if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED)) return; ret = hns3_send_mbx_msg(hw, HNS3_MBX_GET_LINK_STATUS, 0, NULL, 0, false, &resp_msg, sizeof(resp_msg)); @@ -1222,6 +1461,41 @@ hns3vf_request_link_info(struct hns3_hw *hw) hns3_err(hw, "Failed to fetch link status from PF: %d", ret); } +void +hns3vf_update_link_status(struct hns3_hw *hw, uint8_t link_status, + uint32_t link_speed, uint8_t link_duplex) +{ + struct rte_eth_dev *dev = &rte_eth_devices[hw->data->port_id]; + struct hns3_mac *mac = &hw->mac; + bool report_lse; + bool changed; + + changed = mac->link_status != link_status || + mac->link_speed != link_speed || + mac->link_duplex != link_duplex; + if (!changed) + return; + + /* + * VF's link status/speed/duplex were updated by polling from PF driver, + * because the link status/speed/duplex may be changed in the polling + * interval, so driver will report lse (lsc event) once any of the above + * thress variables changed. + * But if the PF's link status is down and driver saved link status is + * also down, there are no need to report lse. + */ + report_lse = true; + if (link_status == ETH_LINK_DOWN && link_status == mac->link_status) + report_lse = false; + + mac->link_status = link_status; + mac->link_speed = link_speed; + mac->link_duplex = link_duplex; + + if (report_lse) + rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL); +} + static int hns3vf_vlan_filter_configure(struct hns3_adapter *hns, uint16_t vlan_id, int on) { @@ -1247,7 +1521,7 @@ hns3vf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on) struct hns3_hw *hw = &hns->hw; int ret; - if (rte_atomic16_read(&hw->reset.resetting)) { + if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED)) { hns3_err(hw, "vf set vlan id failed during resetting, vlan_id =%u", vlan_id); @@ -1286,7 +1560,7 @@ hns3vf_vlan_offload_set(struct rte_eth_dev *dev, int mask) unsigned int tmp_mask; int ret = 0; - if (rte_atomic16_read(&hw->reset.resetting)) { + if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED)) { hns3_err(hw, "vf set vlan offload failed during resetting, " "mask = 0x%x", mask); return -EIO; @@ -1468,7 +1742,7 @@ hns3_query_vf_resource(struct hns3_hw *hw) req = (struct hns3_vf_res_cmd *)desc.data; num_msi = hns3_get_field(rte_le_to_cpu_16(req->vf_intr_vector_number), - HNS3_VEC_NUM_M, HNS3_VEC_NUM_S); + HNS3_VF_VEC_NUM_M, HNS3_VF_VEC_NUM_S); if (num_msi < HNS3_MIN_VECTOR_NUM) { hns3_err(hw, "Just %u msi resources, not enough for vf(min:%d)", num_msi, HNS3_MIN_VECTOR_NUM); @@ -1525,7 +1799,6 @@ hns3vf_init_hardware(struct hns3_adapter *hns) goto err_init_hardware; } - hns3vf_request_link_info(hw); return 0; err_init_hardware: @@ -1595,35 +1868,33 @@ hns3vf_init_vf(struct rte_eth_dev *eth_dev) goto err_get_config; } - /* - * The hns3 PF ethdev driver in kernel support setting VF MAC address - * on the host by "ip link set ..." command. To avoid some incorrect - * scenes, for example, hns3 VF PMD driver fails to receive and send - * packets after user configure the MAC address by using the - * "ip link set ..." command, hns3 VF PMD driver keep the same MAC - * address strategy as the hns3 kernel ethdev driver in the - * initialization. If user configure a MAC address by the ip command - * for VF device, then hns3 VF PMD driver will start with it, otherwise - * start with a random MAC address in the initialization. - */ - ret = rte_is_zero_ether_addr((struct rte_ether_addr *)hw->mac.mac_addr); + ret = hns3_tqp_stats_init(hw); if (ret) - rte_eth_random_addr(hw->mac.mac_addr); + goto err_get_config; + + ret = hns3vf_set_tc_queue_mapping(hns, hw->tqps_num, hw->tqps_num); + if (ret) { + PMD_INIT_LOG(ERR, "failed to set tc info, ret = %d.", ret); + goto err_set_tc_queue; + } ret = hns3vf_clear_vport_list(hw); if (ret) { PMD_INIT_LOG(ERR, "Failed to clear tbl list: %d", ret); - goto err_get_config; + goto err_set_tc_queue; } ret = hns3vf_init_hardware(hns); if (ret) - goto err_get_config; + goto err_set_tc_queue; - hns3_set_default_rss_args(hw); + hns3_rss_set_default_args(hw); return 0; +err_set_tc_queue: + hns3_tqp_stats_uninit(hw); + err_get_config: hns3vf_disable_irq0(hw); rte_intr_disable(&pci_dev->intr_handle); @@ -1649,8 +1920,10 @@ hns3vf_uninit_vf(struct rte_eth_dev *eth_dev) PMD_INIT_FUNC_TRACE(); hns3_rss_uninit(hns); + (void)hns3_config_gro(hw, false); (void)hns3vf_set_alive(hw, false); (void)hns3vf_set_promisc_mode(hw, false, false, false); + hns3_tqp_stats_uninit(hw); hns3vf_disable_irq0(hw); rte_intr_disable(&pci_dev->intr_handle); hns3_intr_unregister(&pci_dev->intr_handle, hns3vf_interrupt_handler, @@ -1664,16 +1937,31 @@ static int hns3vf_do_stop(struct hns3_adapter *hns) { struct hns3_hw *hw = &hns->hw; - bool reset_queue; + int ret; hw->mac.link_status = ETH_LINK_DOWN; - if (rte_atomic16_read(&hw->reset.disable_cmd) == 0) { + /* + * The "hns3vf_do_stop" function will also be called by .stop_service to + * prepare reset. At the time of global or IMP reset, the command cannot + * be sent to stop the tx/rx queues. The mbuf in Tx/Rx queues may be + * accessed during the reset process. So the mbuf can not be released + * during reset and is required to be released after the reset is + * completed. + */ + if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) + hns3_dev_release_mbufs(hns); + + if (__atomic_load_n(&hw->reset.disable_cmd, __ATOMIC_RELAXED) == 0) { hns3vf_configure_mac_addr(hns, true); - reset_queue = true; - } else - reset_queue = false; - return hns3_stop_queues(hns, reset_queue); + ret = hns3_reset_all_tqps(hns); + if (ret) { + hns3_err(hw, "failed to reset all queues ret = %d", + ret); + return ret; + } + } + return 0; } static void @@ -1711,13 +1999,14 @@ hns3vf_unmap_rx_interrupt(struct rte_eth_dev *dev) } } -static void +static int hns3vf_dev_stop(struct rte_eth_dev *dev) { struct hns3_adapter *hns = dev->data->dev_private; struct hns3_hw *hw = &hns->hw; PMD_INIT_FUNC_TRACE(); + dev->data->dev_started = 0; hw->adapter_state = HNS3_NIC_STOPPING; hns3_set_rxtx_function(dev); @@ -1728,27 +2017,34 @@ hns3vf_dev_stop(struct rte_eth_dev *dev) rte_delay_ms(hw->tqps_num); rte_spinlock_lock(&hw->lock); - if (rte_atomic16_read(&hw->reset.resetting) == 0) { + if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) { + hns3_stop_tqps(hw); hns3vf_do_stop(hns); hns3vf_unmap_rx_interrupt(dev); - hns3_dev_release_mbufs(hns); hw->adapter_state = HNS3_NIC_CONFIGURED; } + hns3_rx_scattered_reset(dev); rte_eal_alarm_cancel(hns3vf_service_handler, dev); rte_spinlock_unlock(&hw->lock); + + return 0; } -static void +static int hns3vf_dev_close(struct rte_eth_dev *eth_dev) { struct hns3_adapter *hns = eth_dev->data->dev_private; struct hns3_hw *hw = &hns->hw; + int ret = 0; - if (rte_eal_process_type() != RTE_PROC_PRIMARY) - return; + if (rte_eal_process_type() != RTE_PROC_PRIMARY) { + rte_free(eth_dev->process_private); + eth_dev->process_private = NULL; + return 0; + } if (hw->adapter_state == HNS3_NIC_STARTED) - hns3vf_dev_stop(eth_dev); + ret = hns3vf_dev_stop(eth_dev); hw->adapter_state = HNS3_NIC_CLOSING; hns3_reset_abort(hns); @@ -1762,7 +2058,9 @@ hns3vf_dev_close(struct rte_eth_dev *eth_dev) rte_free(eth_dev->process_private); eth_dev->process_private = NULL; hns3_mp_uninit_primary(); - hns3_warn(hw, "Close port %d finished", hw->data->port_id); + hns3_warn(hw, "Close port %u finished", hw->data->port_id); + + return ret; } static int @@ -1809,6 +2107,7 @@ hns3vf_dev_link_update(struct rte_eth_dev *eth_dev, case ETH_SPEED_NUM_40G: case ETH_SPEED_NUM_50G: case ETH_SPEED_NUM_100G: + case ETH_SPEED_NUM_200G: new_link.link_speed = mac->link_speed; break; default: @@ -1828,15 +2127,19 @@ static int hns3vf_do_start(struct hns3_adapter *hns, bool reset_queue) { struct hns3_hw *hw = &hns->hw; + uint16_t nb_rx_q = hw->data->nb_rx_queues; + uint16_t nb_tx_q = hw->data->nb_tx_queues; int ret; - ret = hns3vf_set_tc_info(hns); + ret = hns3vf_set_tc_queue_mapping(hns, nb_rx_q, nb_tx_q); if (ret) return ret; - ret = hns3_start_queues(hns, reset_queue); + hns3_enable_rxd_adv_layout(hw); + + ret = hns3_init_queues(hns, reset_queue); if (ret) - hns3_err(hw, "Failed to start queues: %d", ret); + hns3_err(hw, "failed to init queues, ret = %d.", ret); return ret; } @@ -1853,26 +2156,27 @@ hns3vf_map_rx_interrupt(struct rte_eth_dev *dev) uint16_t q_id; int ret; - if (dev->data->dev_conf.intr_conf.rxq == 0) + /* + * hns3 needs a separate interrupt to be used as event interrupt which + * could not be shared with task queue pair, so KERNEL drivers need + * support multiple interrupt vectors. + */ + if (dev->data->dev_conf.intr_conf.rxq == 0 || + !rte_intr_cap_multiple(intr_handle)) return 0; - /* disable uio/vfio intr/eventfd mapping */ rte_intr_disable(intr_handle); + intr_vector = hw->used_rx_queues; + /* It creates event fd for each intr vector when MSIX is used */ + if (rte_intr_efd_enable(intr_handle, intr_vector)) + return -EINVAL; - /* check and configure queue intr-vector mapping */ - if (rte_intr_cap_multiple(intr_handle) || - !RTE_ETH_DEV_SRIOV(dev).active) { - intr_vector = hw->used_rx_queues; - /* It creates event fd for each intr vector when MSIX is used */ - if (rte_intr_efd_enable(intr_handle, intr_vector)) - return -EINVAL; - } - if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) { + if (intr_handle->intr_vec == NULL) { intr_handle->intr_vec = rte_zmalloc("intr_vec", hw->used_rx_queues * sizeof(int), 0); if (intr_handle->intr_vec == NULL) { - hns3_err(hw, "Failed to allocate %d rx_queues" + hns3_err(hw, "Failed to allocate %u rx_queues" " intr_vec", hw->used_rx_queues); ret = -ENOMEM; goto vf_alloc_intr_vec_error; @@ -1883,28 +2187,26 @@ hns3vf_map_rx_interrupt(struct rte_eth_dev *dev) vec = RTE_INTR_VEC_RXTX_OFFSET; base = RTE_INTR_VEC_RXTX_OFFSET; } - if (rte_intr_dp_is_en(intr_handle)) { - for (q_id = 0; q_id < hw->used_rx_queues; q_id++) { - ret = hns3vf_bind_ring_with_vector(hw, vec, true, - HNS3_RING_TYPE_RX, - q_id); - if (ret) - goto vf_bind_vector_error; - intr_handle->intr_vec[q_id] = vec; - if (vec < base + intr_handle->nb_efd - 1) - vec++; - } + + for (q_id = 0; q_id < hw->used_rx_queues; q_id++) { + ret = hns3vf_bind_ring_with_vector(hw, vec, true, + HNS3_RING_TYPE_RX, q_id); + if (ret) + goto vf_bind_vector_error; + intr_handle->intr_vec[q_id] = vec; + /* + * If there are not enough efds (e.g. not enough interrupt), + * remaining queues will be bond to the last interrupt. + */ + if (vec < base + intr_handle->nb_efd - 1) + vec++; } rte_intr_enable(intr_handle); return 0; vf_bind_vector_error: - rte_intr_efd_disable(intr_handle); - if (intr_handle->intr_vec) { - free(intr_handle->intr_vec); - intr_handle->intr_vec = NULL; - } - return ret; + free(intr_handle->intr_vec); + intr_handle->intr_vec = NULL; vf_alloc_intr_vec_error: rte_intr_efd_disable(intr_handle); return ret; @@ -1949,7 +2251,7 @@ hns3vf_dev_start(struct rte_eth_dev *dev) int ret; PMD_INIT_FUNC_TRACE(); - if (rte_atomic16_read(&hw->reset.resetting)) + if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED)) return -EBUSY; rte_spinlock_lock(&hw->lock); @@ -1961,27 +2263,55 @@ hns3vf_dev_start(struct rte_eth_dev *dev) return ret; } ret = hns3vf_map_rx_interrupt(dev); - if (ret) { - hw->adapter_state = HNS3_NIC_CONFIGURED; - rte_spinlock_unlock(&hw->lock); - return ret; - } + if (ret) + goto map_rx_inter_err; + + /* + * There are three register used to control the status of a TQP + * (contains a pair of Tx queue and Rx queue) in the new version network + * engine. One is used to control the enabling of Tx queue, the other is + * used to control the enabling of Rx queue, and the last is the master + * switch used to control the enabling of the tqp. The Tx register and + * TQP register must be enabled at the same time to enable a Tx queue. + * The same applies to the Rx queue. For the older network enginem, this + * function only refresh the enabled flag, and it is used to update the + * status of queue in the dpdk framework. + */ + ret = hns3_start_all_txqs(dev); + if (ret) + goto map_rx_inter_err; + + ret = hns3_start_all_rxqs(dev); + if (ret) + goto start_all_rxqs_fail; + hw->adapter_state = HNS3_NIC_STARTED; rte_spinlock_unlock(&hw->lock); + hns3_rx_scattered_calc(dev); hns3_set_rxtx_function(dev); hns3_mp_req_start_rxtx(dev); - rte_eal_alarm_set(HNS3VF_SERVICE_INTERVAL, hns3vf_service_handler, dev); + hns3vf_service_handler(dev); hns3vf_restore_filter(dev); /* Enable interrupt of all rx queues before enabling queues */ hns3_dev_all_rx_queue_intr_enable(hw, true); + /* - * When finished the initialization, enable queues to receive/transmit - * packets. + * After finished the initialization, start all tqps to receive/transmit + * packets and refresh all queue status. */ - hns3_enable_all_queues(hw, true); + hns3_start_tqps(hw); + + return ret; + +start_all_rxqs_fail: + hns3_stop_all_txqs(dev); +map_rx_inter_err: + (void)hns3vf_do_stop(hns); + hw->adapter_state = HNS3_NIC_CONFIGURED; + rte_spinlock_unlock(&hw->lock); return ret; } @@ -2015,6 +2345,21 @@ hns3vf_is_reset_pending(struct hns3_adapter *hns) struct hns3_hw *hw = &hns->hw; enum hns3_reset_level reset; + /* + * According to the protocol of PCIe, FLR to a PF device resets the PF + * state as well as the SR-IOV extended capability including VF Enable + * which means that VFs no longer exist. + * + * HNS3_VF_FULL_RESET means PF device is in FLR reset. when PF device + * is in FLR stage, the register state of VF device is not reliable, + * so register states detection can not be carried out. In this case, + * we just ignore the register states and return false to indicate that + * there are no other reset states that need to be processed by driver. + */ + if (hw->reset.level == HNS3_VF_FULL_RESET) + return false; + + /* Check the registers to confirm whether there is reset pending */ hns3vf_check_event_cause(hns, NULL); reset = hns3vf_get_reset_level(hw, &hw->reset.pending); if (hw->reset.level != HNS3_NONE_RESET && hw->reset.level < reset) { @@ -2077,15 +2422,17 @@ static int hns3vf_prepare_reset(struct hns3_adapter *hns) { struct hns3_hw *hw = &hns->hw; - int ret = 0; + int ret; if (hw->reset.level == HNS3_VF_FUNC_RESET) { ret = hns3_send_mbx_msg(hw, HNS3_MBX_RESET, 0, NULL, 0, true, NULL, 0); + if (ret) + return ret; } - rte_atomic16_set(&hw->reset.disable_cmd, 1); + __atomic_store_n(&hw->reset.disable_cmd, 1, __ATOMIC_RELAXED); - return ret; + return 0; } static int @@ -2095,8 +2442,11 @@ hns3vf_stop_service(struct hns3_adapter *hns) struct rte_eth_dev *eth_dev; eth_dev = &rte_eth_devices[hw->data->port_id]; - if (hw->adapter_state == HNS3_NIC_STARTED) + if (hw->adapter_state == HNS3_NIC_STARTED) { rte_eal_alarm_cancel(hns3vf_service_handler, eth_dev); + hns3vf_update_link_status(hw, ETH_LINK_DOWN, hw->mac.link_speed, + hw->mac.link_duplex); + } hw->mac.link_status = ETH_LINK_DOWN; hns3_set_rxtx_function(eth_dev); @@ -2108,6 +2458,7 @@ hns3vf_stop_service(struct hns3_adapter *hns) rte_spinlock_lock(&hw->lock); if (hw->adapter_state == HNS3_NIC_STARTED || hw->adapter_state == HNS3_NIC_STOPPING) { + hns3_enable_all_queues(hw, false); hns3vf_do_stop(hns); hw->reset.mbuf_deferred_free = true; } else @@ -2118,7 +2469,7 @@ hns3vf_stop_service(struct hns3_adapter *hns) * from table space. Hence, for function reset software intervention is * required to delete the entries. */ - if (rte_atomic16_read(&hw->reset.disable_cmd) == 0) + if (__atomic_load_n(&hw->reset.disable_cmd, __ATOMIC_RELAXED) == 0) hns3vf_configure_all_mc_mac_addr(hns, true); rte_spinlock_unlock(&hw->lock); @@ -2139,6 +2490,11 @@ hns3vf_start_service(struct hns3_adapter *hns) /* Enable interrupt of all rx queues before enabling queues */ hns3_dev_all_rx_queue_intr_enable(hw, true); + /* + * Enable state of each rxq and txq will be recovered after + * reset, so we need to restore them before enable all tqps; + */ + hns3_restore_tqp_enable_state(hw); /* * When finished the initialization, enable queues to receive * and transmit packets. @@ -2179,7 +2535,7 @@ hns3vf_check_default_mac_change(struct hns3_hw *hw) ret = rte_is_same_ether_addr(&hw->data->mac_addrs[0], hw_mac); if (!ret) { rte_ether_addr_copy(hw_mac, &hw->data->mac_addrs[0]); - rte_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, + hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE, &hw->data->mac_addrs[0]); hns3_warn(hw, "Default MAC address has been changed to:" " %s by the host PF kernel ethdev driver", @@ -2216,10 +2572,18 @@ hns3vf_restore_conf(struct hns3_adapter *hns) if (ret) goto err_vlan_table; + ret = hns3vf_get_port_base_vlan_filter_state(hw); + if (ret) + goto err_vlan_table; + ret = hns3vf_restore_rx_interrupt(hw); if (ret) goto err_vlan_table; + ret = hns3_restore_gro_conf(hw); + if (ret) + goto err_vlan_table; + if (hw->adapter_state == HNS3_NIC_STARTED) { ret = hns3vf_do_start(hns, false); if (ret) @@ -2277,8 +2641,10 @@ hns3vf_reset_service(void *param) * The interrupt may have been lost. It is necessary to handle * the interrupt to recover from the error. */ - if (rte_atomic16_read(&hns->hw.reset.schedule) == SCHEDULE_DEFERRED) { - rte_atomic16_set(&hns->hw.reset.schedule, SCHEDULE_REQUESTED); + if (__atomic_load_n(&hw->reset.schedule, __ATOMIC_RELAXED) == + SCHEDULE_DEFERRED) { + __atomic_store_n(&hw->reset.schedule, SCHEDULE_REQUESTED, + __ATOMIC_RELAXED); hns3_err(hw, "Handling interrupts in delayed tasks"); hns3vf_interrupt_handler(&rte_eth_devices[hw->data->port_id]); reset_level = hns3vf_get_reset_level(hw, &hw->reset.pending); @@ -2287,7 +2653,7 @@ hns3vf_reset_service(void *param) hns3_atomic_set_bit(HNS3_VF_RESET, &hw->reset.pending); } } - rte_atomic16_set(&hns->hw.reset.schedule, SCHEDULE_NONE); + __atomic_store_n(&hw->reset.schedule, SCHEDULE_NONE, __ATOMIC_RELAXED); /* * Hardware reset has been notified, we now have to poll & check if @@ -2318,7 +2684,11 @@ hns3vf_reinit_dev(struct hns3_adapter *hns) if (hw->reset.level == HNS3_VF_FULL_RESET) { rte_intr_disable(&pci_dev->intr_handle); - hns3vf_set_bus_master(pci_dev, true); + ret = hns3vf_set_bus_master(pci_dev, true); + if (ret < 0) { + hns3_err(hw, "failed to set pci bus, ret = %d", ret); + return ret; + } } /* Firmware command initialize */ @@ -2333,8 +2703,8 @@ hns3vf_reinit_dev(struct hns3_adapter *hns) * UIO enables msix by writing the pcie configuration space * vfio_pci enables msix in rte_intr_enable. */ - if (pci_dev->kdrv == RTE_KDRV_IGB_UIO || - pci_dev->kdrv == RTE_KDRV_UIO_GENERIC) { + if (pci_dev->kdrv == RTE_PCI_KDRV_IGB_UIO || + pci_dev->kdrv == RTE_PCI_KDRV_UIO_GENERIC) { if (hns3vf_enable_msix(pci_dev, true)) hns3_err(hw, "Failed to enable msix"); } @@ -2342,7 +2712,7 @@ hns3vf_reinit_dev(struct hns3_adapter *hns) rte_intr_enable(&pci_dev->intr_handle); } - ret = hns3_reset_all_queues(hns); + ret = hns3_reset_all_tqps(hns); if (ret) { hns3_err(hw, "Failed to reset all queues: %d", ret); return ret; @@ -2358,6 +2728,7 @@ hns3vf_reinit_dev(struct hns3_adapter *hns) } static const struct eth_dev_ops hns3vf_eth_dev_ops = { + .dev_configure = hns3vf_dev_configure, .dev_start = hns3vf_dev_start, .dev_stop = hns3vf_dev_stop, .dev_close = hns3vf_dev_close, @@ -2379,9 +2750,16 @@ static const struct eth_dev_ops hns3vf_eth_dev_ops = { .tx_queue_setup = hns3_tx_queue_setup, .rx_queue_release = hns3_dev_rx_queue_release, .tx_queue_release = hns3_dev_tx_queue_release, + .rx_queue_start = hns3_dev_rx_queue_start, + .rx_queue_stop = hns3_dev_rx_queue_stop, + .tx_queue_start = hns3_dev_tx_queue_start, + .tx_queue_stop = hns3_dev_tx_queue_stop, .rx_queue_intr_enable = hns3_dev_rx_queue_intr_enable, .rx_queue_intr_disable = hns3_dev_rx_queue_intr_disable, - .dev_configure = hns3vf_dev_configure, + .rxq_info_get = hns3_rxq_info_get, + .txq_info_get = hns3_txq_info_get, + .rx_burst_mode_get = hns3_rx_burst_mode_get, + .tx_burst_mode_get = hns3_tx_burst_mode_get, .mac_addr_add = hns3vf_add_mac_addr, .mac_addr_remove = hns3vf_remove_mac_addr, .mac_addr_set = hns3vf_set_default_mac_addr, @@ -2396,6 +2774,7 @@ static const struct eth_dev_ops hns3vf_eth_dev_ops = { .vlan_offload_set = hns3vf_vlan_offload_set, .get_reg = hns3_get_regs, .dev_supported_ptypes_get = hns3_dev_supported_ptypes_get, + .tx_done_cleanup = hns3_tx_done_cleanup, }; static const struct hns3_reset_ops hns3vf_reset_ops = { @@ -2411,25 +2790,12 @@ static const struct hns3_reset_ops hns3vf_reset_ops = { static int hns3vf_dev_init(struct rte_eth_dev *eth_dev) { - struct rte_device *dev = eth_dev->device; - struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(dev); struct hns3_adapter *hns = eth_dev->data->dev_private; struct hns3_hw *hw = &hns->hw; - uint8_t revision; int ret; PMD_INIT_FUNC_TRACE(); - /* Get PCI revision id */ - ret = rte_pci_read_config(pci_dev, &revision, HNS3_PCI_REVISION_ID_LEN, - HNS3_PCI_REVISION_ID); - if (ret != HNS3_PCI_REVISION_ID_LEN) { - PMD_INIT_LOG(ERR, "Failed to read pci revision id, ret = %d", - ret); - return -EIO; - } - hw->revision = revision; - eth_dev->process_private = (struct hns3_process_private *) rte_zmalloc_socket("hns3_filter_list", sizeof(struct hns3_process_private), @@ -2444,13 +2810,26 @@ hns3vf_dev_init(struct rte_eth_dev *eth_dev) hns3_set_rxtx_function(eth_dev); eth_dev->dev_ops = &hns3vf_eth_dev_ops; + eth_dev->rx_queue_count = hns3_rx_queue_count; if (rte_eal_process_type() != RTE_PROC_PRIMARY) { - hns3_mp_init_secondary(); + ret = hns3_mp_init_secondary(); + if (ret) { + PMD_INIT_LOG(ERR, "Failed to init for secondary " + "process, ret = %d", ret); + goto err_mp_init_secondary; + } + hw->secondary_cnt++; return 0; } - hns3_mp_init_primary(); + ret = hns3_mp_init_primary(); + if (ret) { + PMD_INIT_LOG(ERR, + "Failed to init for primary process, ret = %d", + ret); + goto err_mp_init_primary; + } hw->adapter_state = HNS3_NIC_UNINITIALIZED; hns->is_vf = true; @@ -2480,16 +2859,26 @@ hns3vf_dev_init(struct rte_eth_dev *eth_dev) goto err_rte_zmalloc; } + /* + * The hns3 PF ethdev driver in kernel support setting VF MAC address + * on the host by "ip link set ..." command. To avoid some incorrect + * scenes, for example, hns3 VF PMD driver fails to receive and send + * packets after user configure the MAC address by using the + * "ip link set ..." command, hns3 VF PMD driver keep the same MAC + * address strategy as the hns3 kernel ethdev driver in the + * initialization. If user configure a MAC address by the ip command + * for VF device, then hns3 VF PMD driver will start with it, otherwise + * start with a random MAC address in the initialization. + */ + if (rte_is_zero_ether_addr((struct rte_ether_addr *)hw->mac.mac_addr)) + rte_eth_random_addr(hw->mac.mac_addr); rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.mac_addr, ð_dev->data->mac_addrs[0]); + hw->adapter_state = HNS3_NIC_INITIALIZED; - /* - * Pass the information to the rte_eth_dev_close() that it should also - * release the private port resources. - */ - eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE; - if (rte_atomic16_read(&hns->hw.reset.schedule) == SCHEDULE_PENDING) { + if (__atomic_load_n(&hw->reset.schedule, __ATOMIC_RELAXED) == + SCHEDULE_PENDING) { hns3_err(hw, "Reschedule reset service after dev_init"); hns3_schedule_reset(hns); } else { @@ -2507,6 +2896,10 @@ err_init_vf: rte_free(hw->reset.wait_data); err_init_reset: + hns3_mp_uninit_primary(); + +err_mp_init_primary: +err_mp_init_secondary: eth_dev->dev_ops = NULL; eth_dev->rx_pkt_burst = NULL; eth_dev->tx_pkt_burst = NULL; @@ -2525,13 +2918,11 @@ hns3vf_dev_uninit(struct rte_eth_dev *eth_dev) PMD_INIT_FUNC_TRACE(); - if (rte_eal_process_type() != RTE_PROC_PRIMARY) - return -EPERM; - - eth_dev->dev_ops = NULL; - eth_dev->rx_pkt_burst = NULL; - eth_dev->tx_pkt_burst = NULL; - eth_dev->tx_pkt_prepare = NULL; + if (rte_eal_process_type() != RTE_PROC_PRIMARY) { + rte_free(eth_dev->process_private); + eth_dev->process_private = NULL; + return 0; + } if (hw->adapter_state < HNS3_NIC_CLOSING) hns3vf_dev_close(eth_dev); @@ -2558,7 +2949,7 @@ eth_hns3vf_pci_remove(struct rte_pci_device *pci_dev) static const struct rte_pci_id pci_id_hns3vf_map[] = { { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_100G_VF) }, { RTE_PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, HNS3_DEV_ID_100G_RDMA_PFC_VF) }, - { .vendor_id = 0, /* sentinel */ }, + { .vendor_id = 0, }, /* sentinel */ }; static struct rte_pci_driver rte_hns3vf_pmd = {