diff options
Diffstat (limited to 'drivers/net/mlx5/mlx5_ethdev.c')
-rw-r--r-- | drivers/net/mlx5/mlx5_ethdev.c | 200 |
1 files changed, 70 insertions, 130 deletions
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c index 3fd22cb8..b0eb3cdf 100644 --- a/drivers/net/mlx5/mlx5_ethdev.c +++ b/drivers/net/mlx5/mlx5_ethdev.c @@ -119,6 +119,7 @@ struct ethtool_link_settings { #define ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT 38 #define ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT 39 #endif +#define ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32 (SCHAR_MAX) /** * Return private structure associated with an Ethernet device. @@ -661,7 +662,7 @@ mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info) unsigned int max; char ifname[IF_NAMESIZE]; - info->pci_dev = RTE_DEV_TO_PCI(dev->device); + info->pci_dev = RTE_ETH_DEV_TO_PCI(dev); priv_lock(priv); /* FIXME: we should ask the device for these values. */ @@ -715,15 +716,24 @@ mlx5_dev_supported_ptypes_get(struct rte_eth_dev *dev) { static const uint32_t ptypes[] = { /* refers to rxq_cq_to_pkt_type() */ + RTE_PTYPE_L2_ETHER, RTE_PTYPE_L3_IPV4_EXT_UNKNOWN, RTE_PTYPE_L3_IPV6_EXT_UNKNOWN, + RTE_PTYPE_L4_NONFRAG, + RTE_PTYPE_L4_FRAG, + RTE_PTYPE_L4_TCP, + RTE_PTYPE_L4_UDP, RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN, RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN, + RTE_PTYPE_INNER_L4_NONFRAG, + RTE_PTYPE_INNER_L4_FRAG, + RTE_PTYPE_INNER_L4_TCP, + RTE_PTYPE_INNER_L4_UDP, RTE_PTYPE_UNKNOWN - }; - if (dev->rx_pkt_burst == mlx5_rx_burst) + if (dev->rx_pkt_burst == mlx5_rx_burst || + dev->rx_pkt_burst == mlx5_rx_burst_vec) return ptypes; return NULL; } @@ -806,9 +816,12 @@ static int mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete) { struct priv *priv = mlx5_get_priv(dev); - struct ethtool_link_settings edata = { - .cmd = ETHTOOL_GLINKSETTINGS, - }; + __extension__ struct { + struct ethtool_link_settings edata; + uint32_t link_mode_data[3 * + ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32]; + } ecmd; + struct ifreq ifr; struct rte_eth_link dev_link; uint64_t sc; @@ -821,15 +834,23 @@ mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete) memset(&dev_link, 0, sizeof(dev_link)); dev_link.link_status = ((ifr.ifr_flags & IFF_UP) && (ifr.ifr_flags & IFF_RUNNING)); - ifr.ifr_data = (void *)&edata; + memset(&ecmd, 0, sizeof(ecmd)); + ecmd.edata.cmd = ETHTOOL_GLINKSETTINGS; + ifr.ifr_data = (void *)&ecmd; + if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) { + DEBUG("ioctl(SIOCETHTOOL, ETHTOOL_GLINKSETTINGS) failed: %s", + strerror(errno)); + return -1; + } + ecmd.edata.link_mode_masks_nwords = -ecmd.edata.link_mode_masks_nwords; if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) { DEBUG("ioctl(SIOCETHTOOL, ETHTOOL_GLINKSETTINGS) failed: %s", strerror(errno)); return -1; } - dev_link.link_speed = edata.speed; - sc = edata.link_mode_masks[0] | - ((uint64_t)edata.link_mode_masks[1] << 32); + dev_link.link_speed = ecmd.edata.speed; + sc = ecmd.edata.link_mode_masks[0] | + ((uint64_t)ecmd.edata.link_mode_masks[1] << 32); priv->link_speed_capa = 0; if (sc & ETHTOOL_LINK_MODE_Autoneg_BIT) priv->link_speed_capa |= ETH_LINK_SPEED_AUTONEG; @@ -865,7 +886,7 @@ mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete) ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT | ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT)) priv->link_speed_capa |= ETH_LINK_SPEED_100G; - dev_link.link_duplex = ((edata.duplex == DUPLEX_HALF) ? + dev_link.link_duplex = ((ecmd.edata.duplex == DUPLEX_HALF) ? ETH_LINK_HALF_DUPLEX : ETH_LINK_FULL_DUPLEX); dev_link.link_autoneg = !(dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED); @@ -903,12 +924,6 @@ mlx5_link_update(struct rte_eth_dev *dev, int wait_to_complete) /** * DPDK callback to change the MTU. * - * Setting the MTU affects hardware MRU (packets larger than the MTU cannot be - * received). Use this as a hint to enable/disable scattered packets support - * and improve performance when not needed. - * Since failure is not an option, reconfiguring queues on the fly is not - * recommended. - * * @param dev * Pointer to Ethernet device structure. * @param in_mtu @@ -921,123 +936,33 @@ int mlx5_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) { struct priv *priv = dev->data->dev_private; + uint16_t kern_mtu; int ret = 0; - unsigned int i; - uint16_t (*rx_func)(void *, struct rte_mbuf **, uint16_t) = - mlx5_rx_burst; - unsigned int max_frame_len; - int rehash; - int restart = priv->started; if (mlx5_is_secondary()) return -E_RTE_SECONDARY; priv_lock(priv); + ret = priv_get_mtu(priv, &kern_mtu); + if (ret) + goto out; /* Set kernel interface MTU first. */ - if (priv_set_mtu(priv, mtu)) { - ret = errno; - WARN("cannot set port %u MTU to %u: %s", priv->port, mtu, - strerror(ret)); + ret = priv_set_mtu(priv, mtu); + if (ret) goto out; - } else + ret = priv_get_mtu(priv, &kern_mtu); + if (ret) + goto out; + if (kern_mtu == mtu) { + priv->mtu = mtu; DEBUG("adapter port %u MTU set to %u", priv->port, mtu); - /* Temporarily replace RX handler with a fake one, assuming it has not - * been copied elsewhere. */ - dev->rx_pkt_burst = removed_rx_burst; - /* Make sure everyone has left mlx5_rx_burst() and uses - * removed_rx_burst() instead. */ - rte_wmb(); - usleep(1000); - /* MTU does not include header and CRC. */ - max_frame_len = ETHER_HDR_LEN + mtu + ETHER_CRC_LEN; - /* Check if at least one queue is going to need a SGE update. */ - for (i = 0; i != priv->rxqs_n; ++i) { - struct rxq *rxq = (*priv->rxqs)[i]; - unsigned int mb_len; - unsigned int size = RTE_PKTMBUF_HEADROOM + max_frame_len; - unsigned int sges_n; - - if (rxq == NULL) - continue; - mb_len = rte_pktmbuf_data_room_size(rxq->mp); - assert(mb_len >= RTE_PKTMBUF_HEADROOM); - /* - * Determine the number of SGEs needed for a full packet - * and round it to the next power of two. - */ - sges_n = log2above((size / mb_len) + !!(size % mb_len)); - if (sges_n != rxq->sges_n) - break; - } - /* - * If all queues have the right number of SGEs, a simple rehash - * of their buffers is enough, otherwise SGE information can only - * be updated in a queue by recreating it. All resources that depend - * on queues (flows, indirection tables) must be recreated as well in - * that case. - */ - rehash = (i == priv->rxqs_n); - if (!rehash) { - /* Clean up everything as with mlx5_dev_stop(). */ - priv_special_flow_disable_all(priv); - priv_mac_addrs_disable(priv); - priv_destroy_hash_rxqs(priv); - priv_fdir_disable(priv); - priv_dev_interrupt_handler_uninstall(priv, dev); } -recover: - /* Reconfigure each RX queue. */ - for (i = 0; (i != priv->rxqs_n); ++i) { - struct rxq *rxq = (*priv->rxqs)[i]; - struct rxq_ctrl *rxq_ctrl = - container_of(rxq, struct rxq_ctrl, rxq); - unsigned int mb_len; - unsigned int tmp; - - if (rxq == NULL) - continue; - mb_len = rte_pktmbuf_data_room_size(rxq->mp); - assert(mb_len >= RTE_PKTMBUF_HEADROOM); - /* Provide new values to rxq_setup(). */ - dev->data->dev_conf.rxmode.jumbo_frame = - (max_frame_len > ETHER_MAX_LEN); - dev->data->dev_conf.rxmode.max_rx_pkt_len = max_frame_len; - if (rehash) - ret = rxq_rehash(dev, rxq_ctrl); - else - ret = rxq_ctrl_setup(dev, rxq_ctrl, 1 << rxq->elts_n, - rxq_ctrl->socket, NULL, rxq->mp); - if (!ret) - continue; - /* Attempt to roll back in case of error. */ - tmp = (mb_len << rxq->sges_n) - RTE_PKTMBUF_HEADROOM; - if (max_frame_len != tmp) { - max_frame_len = tmp; - goto recover; - } - /* Double fault, disable RX. */ - break; - } - /* - * Use a safe RX burst function in case of error, otherwise mimic - * mlx5_dev_start(). - */ - if (ret) { - ERROR("unable to reconfigure RX queues, RX disabled"); - rx_func = removed_rx_burst; - } else if (restart && - !rehash && - !priv_create_hash_rxqs(priv) && - !priv_rehash_flows(priv)) { - if (dev->data->dev_conf.fdir_conf.mode == RTE_FDIR_MODE_NONE) - priv_fdir_enable(priv); - priv_dev_interrupt_handler_install(priv, dev); - } - priv->mtu = mtu; - /* Burst functions can now be called again. */ - rte_wmb(); - dev->rx_pkt_burst = rx_func; + priv_unlock(priv); + return 0; out: + ret = errno; + WARN("cannot set port %u MTU to %u: %s", priv->port, mtu, + strerror(ret)); priv_unlock(priv); assert(ret >= 0); return -ret; @@ -1185,7 +1110,7 @@ mlx5_ibv_device_to_pci_addr(const struct ibv_device *device, /* Extract information. */ if (sscanf(line, "PCI_SLOT_NAME=" - "%" SCNx16 ":%" SCNx8 ":%" SCNx8 ".%" SCNx8 "\n", + "%" SCNx32 ":%" SCNx8 ":%" SCNx8 ".%" SCNx8 "\n", &pci_addr->domain, &pci_addr->bus, &pci_addr->devid, @@ -1262,7 +1187,8 @@ mlx5_dev_link_status_handler(void *arg) ret = priv_dev_link_status_handler(priv, dev); priv_unlock(priv); if (ret) - _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL); + _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL, + NULL); } /** @@ -1284,7 +1210,8 @@ mlx5_dev_interrupt_handler(void *cb_arg) ret = priv_dev_link_status_handler(priv, dev); priv_unlock(priv); if (ret) - _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL); + _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL, + NULL); } /** @@ -1584,9 +1511,16 @@ priv_select_tx_function(struct priv *priv) priv->dev->tx_pkt_burst = mlx5_tx_burst; /* Select appropriate TX function. */ if (priv->mps == MLX5_MPW_ENHANCED) { - priv->dev->tx_pkt_burst = - mlx5_tx_burst_empw; - DEBUG("selected Enhanced MPW TX function"); + if (priv_check_vec_tx_support(priv) > 0) { + if (priv_check_raw_vec_tx_support(priv) > 0) + priv->dev->tx_pkt_burst = mlx5_tx_burst_raw_vec; + else + priv->dev->tx_pkt_burst = mlx5_tx_burst_vec; + DEBUG("selected Enhanced MPW TX vectorized function"); + } else { + priv->dev->tx_pkt_burst = mlx5_tx_burst_empw; + DEBUG("selected Enhanced MPW TX function"); + } } else if (priv->mps && priv->txq_inline) { priv->dev->tx_pkt_burst = mlx5_tx_burst_mpw_inline; DEBUG("selected MPW inline TX function"); @@ -1605,5 +1539,11 @@ priv_select_tx_function(struct priv *priv) void priv_select_rx_function(struct priv *priv) { - priv->dev->rx_pkt_burst = mlx5_rx_burst; + if (priv_check_vec_rx_support(priv) > 0) { + priv_prep_vec_rx_function(priv); + priv->dev->rx_pkt_burst = mlx5_rx_burst_vec; + DEBUG("selected RX vectorized function"); + } else { + priv->dev->rx_pkt_burst = mlx5_rx_burst; + } } |