X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5.c;h=7aea5a4184c18d8d25a9db888b9362e02256661d;hb=991b04f6829316374f4f4f4ba94146a6ea6e3c01;hp=d7968f54cf18e2ef81ff88a30114da265076135c;hpb=e1c3e30508e1c73697a78900cb9004edc83711af;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c index d7968f54cf..7aea5a4184 100644 --- a/drivers/net/mlx5/mlx5.c +++ b/drivers/net/mlx5/mlx5.c @@ -96,6 +96,11 @@ /* Default PMD specific parameter value. */ #define MLX5_ARG_UNSET (-1) +#ifndef HAVE_IBV_MLX5_MOD_MPW +#define MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED (1 << 2) +#define MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW (1 << 3) +#endif + struct mlx5_args { int cqe_comp; int txq_inline; @@ -126,6 +131,52 @@ mlx5_getenv_int(const char *name) return atoi(val); } +/** + * Verbs callback to allocate a memory. This function should allocate the space + * according to the size provided residing inside a huge page. + * Please note that all allocation must respect the alignment from libmlx5 + * (i.e. currently sysconf(_SC_PAGESIZE)). + * + * @param[in] size + * The size in bytes of the memory to allocate. + * @param[in] data + * A pointer to the callback data. + * + * @return + * a pointer to the allocate space. + */ +static void * +mlx5_alloc_verbs_buf(size_t size, void *data) +{ + struct priv *priv = data; + void *ret; + size_t alignment = sysconf(_SC_PAGESIZE); + + assert(data != NULL); + assert(!mlx5_is_secondary()); + ret = rte_malloc_socket(__func__, size, alignment, + priv->dev->device->numa_node); + DEBUG("Extern alloc size: %lu, align: %lu: %p", size, alignment, ret); + return ret; +} + +/** + * Verbs callback to free a memory. + * + * @param[in] ptr + * A pointer to the memory to free. + * @param[in] data + * A pointer to the callback data. + */ +static void +mlx5_free_verbs_buf(void *ptr, void *data __rte_unused) +{ + assert(data != NULL); + assert(!mlx5_is_secondary()); + DEBUG("Extern free request: %p", ptr); + rte_free(ptr); +} + /** * DPDK callback to close the device. * @@ -150,10 +201,6 @@ mlx5_dev_close(struct rte_eth_dev *dev) priv_mac_addrs_disable(priv); priv_destroy_hash_rxqs(priv); - /* Remove flow director elements. */ - priv_fdir_disable(priv); - priv_fdir_delete_filters_list(priv); - /* Prevent crashes when queues are still in use. */ dev->rx_pkt_burst = removed_rx_burst; dev->tx_pkt_burst = removed_tx_burst; @@ -161,14 +208,14 @@ mlx5_dev_close(struct rte_eth_dev *dev) /* XXX race condition if mlx5_rx_burst() is still running. */ usleep(1000); for (i = 0; (i != priv->rxqs_n); ++i) { - struct rxq *rxq = (*priv->rxqs)[i]; - struct rxq_ctrl *rxq_ctrl; + struct mlx5_rxq_data *rxq = (*priv->rxqs)[i]; + struct mlx5_rxq_ctrl *rxq_ctrl; if (rxq == NULL) continue; - rxq_ctrl = container_of(rxq, struct rxq_ctrl, rxq); + rxq_ctrl = container_of(rxq, struct mlx5_rxq_ctrl, rxq); (*priv->rxqs)[i] = NULL; - rxq_cleanup(rxq_ctrl); + mlx5_rxq_cleanup(rxq_ctrl); rte_free(rxq_ctrl); } priv->rxqs_n = 0; @@ -178,14 +225,14 @@ mlx5_dev_close(struct rte_eth_dev *dev) /* XXX race condition if mlx5_tx_burst() is still running. */ usleep(1000); for (i = 0; (i != priv->txqs_n); ++i) { - struct txq *txq = (*priv->txqs)[i]; - struct txq_ctrl *txq_ctrl; + struct mlx5_txq_data *txq = (*priv->txqs)[i]; + struct mlx5_txq_ctrl *txq_ctrl; if (txq == NULL) continue; - txq_ctrl = container_of(txq, struct txq_ctrl, txq); + txq_ctrl = container_of(txq, struct mlx5_txq_ctrl, txq); (*priv->txqs)[i] = NULL; - txq_cleanup(txq_ctrl); + mlx5_txq_cleanup(txq_ctrl); rte_free(txq_ctrl); } priv->txqs_n = 0; @@ -204,6 +251,7 @@ mlx5_dev_close(struct rte_eth_dev *dev) } if (priv->reta_idx != NULL) rte_free(priv->reta_idx); + priv_socket_uninit(priv); priv_unlock(priv); memset(priv, 0, sizeof(*priv)); } @@ -247,10 +295,20 @@ static const struct eth_dev_ops mlx5_dev_ops = { .filter_ctrl = mlx5_dev_filter_ctrl, .rx_descriptor_status = mlx5_rx_descriptor_status, .tx_descriptor_status = mlx5_tx_descriptor_status, -#ifdef HAVE_UPDATE_CQ_CI .rx_queue_intr_enable = mlx5_rx_intr_enable, .rx_queue_intr_disable = mlx5_rx_intr_disable, -#endif +}; + + +static const struct eth_dev_ops mlx5_dev_sec_ops = { + .stats_get = mlx5_stats_get, + .stats_reset = mlx5_stats_reset, + .xstats_get = mlx5_xstats_get, + .xstats_reset = mlx5_xstats_reset, + .xstats_get_names = mlx5_xstats_get_names, + .dev_infos_get = mlx5_dev_infos_get, + .rx_descriptor_status = mlx5_rx_descriptor_status, + .tx_descriptor_status = mlx5_tx_descriptor_status, }; static struct { @@ -442,12 +500,13 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev) struct ibv_device *ibv_dev; int err = 0; struct ibv_context *attr_ctx = NULL; - struct ibv_device_attr device_attr; + struct ibv_device_attr_ex device_attr; unsigned int sriov; unsigned int mps; - unsigned int tunnel_en; + unsigned int tunnel_en = 0; int idx; int i; + struct mlx5dv_context attrs_out; (void)pci_drv; assert(pci_drv == &mlx5_driver); @@ -493,34 +552,24 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev) PCI_DEVICE_ID_MELLANOX_CONNECTX5VF) || (pci_dev->id.device_id == PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF)); - /* - * Multi-packet send is supported by ConnectX-4 Lx PF as well - * as all ConnectX-5 devices. - */ switch (pci_dev->id.device_id) { case PCI_DEVICE_ID_MELLANOX_CONNECTX4: tunnel_en = 1; - mps = MLX5_MPW_DISABLED; break; case PCI_DEVICE_ID_MELLANOX_CONNECTX4LX: - mps = MLX5_MPW; - break; case PCI_DEVICE_ID_MELLANOX_CONNECTX5: case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF: case PCI_DEVICE_ID_MELLANOX_CONNECTX5EX: case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF: tunnel_en = 1; - mps = MLX5_MPW_ENHANCED; break; default: - mps = MLX5_MPW_DISABLED; + break; } INFO("PCI information matches, using device \"%s\"" - " (SR-IOV: %s, %sMPS: %s)", + " (SR-IOV: %s)", list[i]->name, - sriov ? "true" : "false", - mps == MLX5_MPW_ENHANCED ? "Enhanced " : "", - mps != MLX5_MPW_DISABLED ? "true" : "false"); + sriov ? "true" : "false"); attr_ctx = ibv_open_device(list[i]); err = errno; break; @@ -541,11 +590,27 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev) ibv_dev = list[i]; DEBUG("device opened"); - if (ibv_query_device(attr_ctx, &device_attr)) + /* + * Multi-packet send is supported by ConnectX-4 Lx PF as well + * as all ConnectX-5 devices. + */ + mlx5dv_query_device(attr_ctx, &attrs_out); + if (attrs_out.flags & (MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW | + MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED)) { + INFO("Enhanced MPW is detected\n"); + mps = MLX5_MPW_ENHANCED; + } else if (attrs_out.flags & MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED) { + INFO("MPW is detected\n"); + mps = MLX5_MPW; + } else { + INFO("MPW is disabled\n"); + mps = MLX5_MPW_DISABLED; + } + if (ibv_query_device_ex(attr_ctx, NULL, &device_attr)) goto error; - INFO("%u port(s) detected", device_attr.phys_port_cnt); + INFO("%u port(s) detected", device_attr.orig_attr.phys_port_cnt); - for (i = 0; i < device_attr.phys_port_cnt; i++) { + for (i = 0; i < device_attr.orig_attr.phys_port_cnt; i++) { uint32_t port = i + 1; /* ports are indexed from one */ uint32_t test = (1 << i); struct ibv_context *ctx = NULL; @@ -553,7 +618,7 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev) struct ibv_pd *pd = NULL; struct priv *priv = NULL; struct rte_eth_dev *eth_dev; - struct ibv_exp_device_attr exp_device_attr; + struct ibv_device_attr_ex device_attr_ex; struct ether_addr mac; uint16_t num_vfs = 0; struct mlx5_args args = { @@ -568,13 +633,39 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev) .rx_vec_en = MLX5_ARG_UNSET, }; - exp_device_attr.comp_mask = - IBV_EXP_DEVICE_ATTR_EXP_CAP_FLAGS | - IBV_EXP_DEVICE_ATTR_RX_HASH | - IBV_EXP_DEVICE_ATTR_VLAN_OFFLOADS | - IBV_EXP_DEVICE_ATTR_RX_PAD_END_ALIGN | - IBV_EXP_DEVICE_ATTR_TSO_CAPS | - 0; + mlx5_dev[idx].ports |= test; + + if (mlx5_is_secondary()) { + /* from rte_ethdev.c */ + char name[RTE_ETH_NAME_MAX_LEN]; + + snprintf(name, sizeof(name), "%s port %u", + ibv_get_device_name(ibv_dev), port); + eth_dev = rte_eth_dev_attach_secondary(name); + if (eth_dev == NULL) { + ERROR("can not attach rte ethdev"); + err = ENOMEM; + goto error; + } + eth_dev->device = &pci_dev->device; + eth_dev->dev_ops = &mlx5_dev_sec_ops; + priv = eth_dev->data->dev_private; + /* Receive command fd from primary process */ + err = priv_socket_connect(priv); + if (err < 0) { + err = -err; + goto error; + } + /* Remap UAR for Tx queues. */ + err = priv_tx_uar_remap(priv, err); + if (err < 0) { + err = -err; + goto error; + } + priv_dev_select_rx_function(priv, eth_dev); + priv_dev_select_tx_function(priv, eth_dev); + continue; + } DEBUG("using port %u (%08" PRIx32 ")", port, test); @@ -624,6 +715,8 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev) } priv->ctx = ctx; + strncpy(priv->ibdev_path, priv->ctx->device->ibdev_path, + sizeof(priv->ibdev_path)); priv->device_attr = device_attr; priv->port = port; priv->pd = pd; @@ -641,26 +734,26 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev) goto port_error; } mlx5_args_assign(priv, &args); - if (ibv_exp_query_device(ctx, &exp_device_attr)) { - ERROR("ibv_exp_query_device() failed"); - err = ENODEV; + if (ibv_query_device_ex(ctx, NULL, &device_attr_ex)) { + ERROR("ibv_query_device_ex() failed"); goto port_error; } priv->hw_csum = - ((exp_device_attr.exp_device_cap_flags & - IBV_EXP_DEVICE_RX_CSUM_TCP_UDP_PKT) && - (exp_device_attr.exp_device_cap_flags & - IBV_EXP_DEVICE_RX_CSUM_IP_PKT)); + !!(device_attr_ex.device_cap_flags_ex & + IBV_DEVICE_RAW_IP_CSUM); DEBUG("checksum offloading is %ssupported", (priv->hw_csum ? "" : "not ")); +#ifdef HAVE_IBV_DEVICE_VXLAN_SUPPORT priv->hw_csum_l2tun = !!(exp_device_attr.exp_device_cap_flags & - IBV_EXP_DEVICE_VXLAN_SUPPORT); + IBV_DEVICE_VXLAN_SUPPORT); +#endif DEBUG("L2 tunnel checksum offloads are %ssupported", (priv->hw_csum_l2tun ? "" : "not ")); - priv->ind_table_max_size = exp_device_attr.rx_hash_caps.max_rwq_indirection_table_size; + priv->ind_table_max_size = + device_attr_ex.rss_caps.max_rwq_indirection_table_size; /* Remove this check once DPDK supports larger/variable * indirection tables. */ if (priv->ind_table_max_size > @@ -668,29 +761,32 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev) priv->ind_table_max_size = ETH_RSS_RETA_SIZE_512; DEBUG("maximum RX indirection table size is %u", priv->ind_table_max_size); - priv->hw_vlan_strip = !!(exp_device_attr.wq_vlan_offloads_cap & - IBV_EXP_RECEIVE_WQ_CVLAN_STRIP); + priv->hw_vlan_strip = !!(device_attr_ex.raw_packet_caps & + IBV_RAW_PACKET_CAP_CVLAN_STRIPPING); DEBUG("VLAN stripping is %ssupported", (priv->hw_vlan_strip ? "" : "not ")); - priv->hw_fcs_strip = !!(exp_device_attr.exp_device_cap_flags & - IBV_EXP_DEVICE_SCATTER_FCS); + priv->hw_fcs_strip = + !!(device_attr_ex.orig_attr.device_cap_flags & + IBV_WQ_FLAGS_SCATTER_FCS); DEBUG("FCS stripping configuration is %ssupported", (priv->hw_fcs_strip ? "" : "not ")); - priv->hw_padding = !!exp_device_attr.rx_pad_end_addr_align; +#ifdef HAVE_IBV_WQ_FLAG_RX_END_PADDING + priv->hw_padding = !!device_attr_ex.rx_pad_end_addr_align; +#endif DEBUG("hardware RX end alignment padding is %ssupported", (priv->hw_padding ? "" : "not ")); priv_get_num_vfs(priv, &num_vfs); priv->sriov = (num_vfs || sriov); priv->tso = ((priv->tso) && - (exp_device_attr.tso_caps.max_tso > 0) && - (exp_device_attr.tso_caps.supported_qpts & - (1 << IBV_QPT_RAW_ETH))); + (device_attr_ex.tso_caps.max_tso > 0) && + (device_attr_ex.tso_caps.supported_qpts & + (1 << IBV_QPT_RAW_PACKET))); if (priv->tso) priv->max_tso_payload_sz = - exp_device_attr.tso_caps.max_tso; + device_attr_ex.tso_caps.max_tso; if (priv->mps && !mps) { ERROR("multi-packet send not supported on this device" " (" MLX5_TXQ_MPW_EN ")"); @@ -744,10 +840,6 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev) claim_zero(priv_mac_addr_add(priv, 0, (const uint8_t (*)[ETHER_ADDR_LEN]) mac.addr_bytes)); - /* Initialize FD filters list. */ - err = fdir_init_filters_list(priv); - if (err) - goto port_error; #ifndef NDEBUG { char ifname[IF_NAMESIZE]; @@ -786,6 +878,15 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev) eth_dev->dev_ops = &mlx5_dev_ops; TAILQ_INIT(&priv->flows); + /* Hint libmlx5 to use PMD allocator for data plane resources */ + struct mlx5dv_ctx_allocators alctr = { + .alloc = &mlx5_alloc_verbs_buf, + .free = &mlx5_free_verbs_buf, + .data = priv, + }; + mlx5dv_set_context_attr(ctx, MLX5DV_CTX_ATTR_BUF_ALLOCATORS, + (void *)((uintptr_t)&alctr)); + /* Bring Ethernet device up. */ DEBUG("forcing Ethernet interface up"); priv_set_flags(priv, ~IFF_UP, IFF_UP); @@ -870,7 +971,7 @@ static struct rte_pci_driver mlx5_driver = { }, .id_table = mlx5_pci_id_map, .probe = mlx5_pci_probe, - .drv_flags = RTE_PCI_DRV_INTR_LSC, + .drv_flags = RTE_PCI_DRV_INTR_LSC | RTE_PCI_DRV_INTR_RMV, }; /**