X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_ethdev.c;h=d178ed6a18323cd4a7a90d2c6dbd93375fdd5964;hb=5d7b673d5fd6663b20c675dd382d9fb43b42af18;hp=3fad199a602ab0ca5e03d0783df190d3652d413e;hpb=d11d651f6d972a9802f1dc20ed9eaebcd367bc3b;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c index 3fad199a60..d178ed6a18 100644 --- a/drivers/net/mlx5/mlx5_ethdev.c +++ b/drivers/net/mlx5/mlx5_ethdev.c @@ -3,8 +3,6 @@ * Copyright 2015 Mellanox Technologies, Ltd */ -#define _GNU_SOURCE - #include #include #include @@ -34,12 +32,39 @@ #include #include #include +#include #include "mlx5.h" #include "mlx5_glue.h" #include "mlx5_rxtx.h" #include "mlx5_utils.h" +/* Supported speed values found in /usr/include/linux/ethtool.h */ +#ifndef HAVE_SUPPORTED_40000baseKR4_Full +#define SUPPORTED_40000baseKR4_Full (1 << 23) +#endif +#ifndef HAVE_SUPPORTED_40000baseCR4_Full +#define SUPPORTED_40000baseCR4_Full (1 << 24) +#endif +#ifndef HAVE_SUPPORTED_40000baseSR4_Full +#define SUPPORTED_40000baseSR4_Full (1 << 25) +#endif +#ifndef HAVE_SUPPORTED_40000baseLR4_Full +#define SUPPORTED_40000baseLR4_Full (1 << 26) +#endif +#ifndef HAVE_SUPPORTED_56000baseKR4_Full +#define SUPPORTED_56000baseKR4_Full (1 << 27) +#endif +#ifndef HAVE_SUPPORTED_56000baseCR4_Full +#define SUPPORTED_56000baseCR4_Full (1 << 28) +#endif +#ifndef HAVE_SUPPORTED_56000baseSR4_Full +#define SUPPORTED_56000baseSR4_Full (1 << 29) +#endif +#ifndef HAVE_SUPPORTED_56000baseLR4_Full +#define SUPPORTED_56000baseLR4_Full (1 << 30) +#endif + /* Add defines in case the running kernel is not the same as user headers. */ #ifndef ETHTOOL_GLINKSETTINGS struct ethtool_link_settings { @@ -92,7 +117,7 @@ struct ethtool_link_settings { #endif /** - * Get interface name from private structure. + * Get master interface name from private structure. * * @param[in] dev * Pointer to Ethernet device. @@ -102,8 +127,9 @@ struct ethtool_link_settings { * @return * 0 on success, a negative errno value otherwise and rte_errno is set. */ -int -mlx5_get_ifname(const struct rte_eth_dev *dev, char (*ifname)[IF_NAMESIZE]) +static int +mlx5_get_master_ifname(const struct rte_eth_dev *dev, + char (*ifname)[IF_NAMESIZE]) { struct priv *priv = dev->data->dev_private; DIR *dir; @@ -165,7 +191,7 @@ try_dev_id: if (dev_port == dev_port_prev) goto try_dev_id; dev_port_prev = dev_port; - if (dev_port == (priv->port - 1u)) + if (dev_port == 0) strlcpy(match, name, sizeof(match)); } closedir(dir); @@ -178,30 +204,59 @@ try_dev_id: } /** - * Get the interface index from device name. + * Get interface name from private structure. + * + * This is a port representor-aware version of mlx5_get_master_ifname(). * * @param[in] dev * Pointer to Ethernet device. + * @param[out] ifname + * Interface name output buffer. * * @return - * Interface index on success, a negative errno value otherwise and - * rte_errno is set. + * 0 on success, a negative errno value otherwise and rte_errno is set. */ int +mlx5_get_ifname(const struct rte_eth_dev *dev, char (*ifname)[IF_NAMESIZE]) +{ + struct priv *priv = dev->data->dev_private; + unsigned int ifindex = + priv->nl_socket_rdma >= 0 ? + mlx5_nl_ifindex(priv->nl_socket_rdma, priv->ibdev_name) : 0; + + if (!ifindex) { + if (!priv->representor) + return mlx5_get_master_ifname(dev, ifname); + rte_errno = ENXIO; + return -rte_errno; + } + if (if_indextoname(ifindex, &(*ifname)[0])) + return 0; + rte_errno = errno; + return -rte_errno; +} + +/** + * Get the interface index from device name. + * + * @param[in] dev + * Pointer to Ethernet device. + * + * @return + * Nonzero interface index on success, zero otherwise and rte_errno is set. + */ +unsigned int mlx5_ifindex(const struct rte_eth_dev *dev) { char ifname[IF_NAMESIZE]; - int ret; + unsigned int ifindex; - ret = mlx5_get_ifname(dev, &ifname); - if (ret) - return ret; - ret = if_nametoindex(ifname); - if (ret == -1) { + if (mlx5_get_ifname(dev, &ifname)) + return 0; + ifindex = if_nametoindex(ifname); + if (!ifindex) rte_errno = errno; - return -rte_errno; - } - return ret; + return ifindex; } /** @@ -330,41 +385,19 @@ mlx5_dev_configure(struct rte_eth_dev *dev) unsigned int reta_idx_n; const uint8_t use_app_rss_key = !!dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key; - uint64_t supp_tx_offloads = mlx5_get_tx_port_offloads(dev); - uint64_t tx_offloads = dev->data->dev_conf.txmode.offloads; - uint64_t supp_rx_offloads = - (mlx5_get_rx_port_offloads() | - mlx5_get_rx_queue_offloads(dev)); - uint64_t rx_offloads = dev->data->dev_conf.rxmode.offloads; int ret = 0; - if ((tx_offloads & supp_tx_offloads) != tx_offloads) { - DRV_LOG(ERR, - "port %u some Tx offloads are not supported requested" - " 0x%" PRIx64 " supported 0x%" PRIx64, - dev->data->port_id, tx_offloads, supp_tx_offloads); - rte_errno = ENOTSUP; - return -rte_errno; - } - if ((rx_offloads & supp_rx_offloads) != rx_offloads) { - DRV_LOG(ERR, - "port %u some Rx offloads are not supported requested" - " 0x%" PRIx64 " supported 0x%" PRIx64, - dev->data->port_id, rx_offloads, supp_rx_offloads); - rte_errno = ENOTSUP; - return -rte_errno; - } if (use_app_rss_key && (dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len != - rss_hash_default_key_len)) { - DRV_LOG(ERR, "port %u RSS key len must be %zu Bytes long", - dev->data->port_id, rss_hash_default_key_len); + MLX5_RSS_HASH_KEY_LEN)) { + DRV_LOG(ERR, "port %u RSS key len must be %s Bytes long", + dev->data->port_id, RTE_STR(MLX5_RSS_HASH_KEY_LEN)); rte_errno = EINVAL; return -rte_errno; } priv->rss_conf.rss_key = rte_realloc(priv->rss_conf.rss_key, - rss_hash_default_key_len, 0); + MLX5_RSS_HASH_KEY_LEN, 0); if (!priv->rss_conf.rss_key) { DRV_LOG(ERR, "port %u cannot allocate RSS hash key memory (%u)", dev->data->port_id, rxqs_n); @@ -375,8 +408,8 @@ mlx5_dev_configure(struct rte_eth_dev *dev) use_app_rss_key ? dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key : rss_hash_default_key, - rss_hash_default_key_len); - priv->rss_conf.rss_key_len = rss_hash_default_key_len; + MLX5_RSS_HASH_KEY_LEN); + priv->rss_conf.rss_key_len = MLX5_RSS_HASH_KEY_LEN; priv->rss_conf.rss_hf = dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf; priv->rxqs = (void *)dev->data->rx_queues; priv->txqs = (void *)dev->data->tx_queues; @@ -494,10 +527,34 @@ mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info) info->if_index = if_nametoindex(ifname); info->reta_size = priv->reta_idx_n ? priv->reta_idx_n : config->ind_table_max_size; - info->hash_key_size = rss_hash_default_key_len; + info->hash_key_size = MLX5_RSS_HASH_KEY_LEN; info->speed_capa = priv->link_speed_capa; info->flow_type_rss_offloads = ~MLX5_RSS_HF_MASK; mlx5_set_default_params(dev, info); + info->switch_info.name = dev->data->name; + info->switch_info.domain_id = priv->domain_id; + info->switch_info.port_id = priv->representor_id; + if (priv->representor) { + unsigned int i = mlx5_dev_to_port_id(dev->device, NULL, 0); + uint16_t port_id[i]; + + i = RTE_MIN(mlx5_dev_to_port_id(dev->device, port_id, i), i); + while (i--) { + struct priv *opriv = + rte_eth_devices[port_id[i]].data->dev_private; + + if (!opriv || + opriv->representor || + opriv->domain_id != priv->domain_id) + continue; + /* + * Override switch name with that of the master + * device. + */ + info->switch_info.name = opriv->dev_data->name; + break; + } + } } /** @@ -531,6 +588,7 @@ mlx5_dev_supported_ptypes_get(struct rte_eth_dev *dev) }; if (dev->rx_pkt_burst == mlx5_rx_burst || + dev->rx_pkt_burst == mlx5_rx_burst_mprq || dev->rx_pkt_burst == mlx5_rx_burst_vec) return ptypes; return NULL; @@ -566,10 +624,13 @@ mlx5_link_update_unlocked_gset(struct rte_eth_dev *dev, dev->data->port_id, strerror(rte_errno)); return ret; } - 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; + dev_link = (struct rte_eth_link) { + .link_status = ((ifr.ifr_flags & IFF_UP) && + (ifr.ifr_flags & IFF_RUNNING)), + }; + ifr = (struct ifreq) { + .ifr_data = (void *)&edata, + }; ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr); if (ret) { DRV_LOG(WARNING, @@ -599,8 +660,8 @@ mlx5_link_update_unlocked_gset(struct rte_eth_dev *dev, ETH_LINK_HALF_DUPLEX : ETH_LINK_FULL_DUPLEX); dev_link.link_autoneg = !(dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED); - if ((dev_link.link_speed && !dev_link.link_status) || - (!dev_link.link_speed && dev_link.link_status)) { + if (((dev_link.link_speed && !dev_link.link_status) || + (!dev_link.link_speed && dev_link.link_status))) { rte_errno = EAGAIN; return -rte_errno; } @@ -637,10 +698,13 @@ mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, dev->data->port_id, strerror(rte_errno)); return ret; } - 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 *)&gcmd; + dev_link = (struct rte_eth_link) { + .link_status = ((ifr.ifr_flags & IFF_UP) && + (ifr.ifr_flags & IFF_RUNNING)), + }; + ifr = (struct ifreq) { + .ifr_data = (void *)&gcmd, + }; ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr); if (ret) { DRV_LOG(DEBUG, @@ -708,8 +772,8 @@ mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, ETH_LINK_HALF_DUPLEX : ETH_LINK_FULL_DUPLEX); dev_link.link_autoneg = !(dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED); - if ((dev_link.link_speed && !dev_link.link_status) || - (!dev_link.link_speed && dev_link.link_status)) { + if (((dev_link.link_speed && !dev_link.link_status) || + (!dev_link.link_speed && dev_link.link_status))) { rte_errno = EAGAIN; return -rte_errno; } @@ -1129,7 +1193,9 @@ mlx5_select_tx_function(struct rte_eth_dev *dev) uint64_t tx_offloads = dev->data->dev_conf.txmode.offloads; int tso = !!(tx_offloads & (DEV_TX_OFFLOAD_TCP_TSO | DEV_TX_OFFLOAD_VXLAN_TNL_TSO | - DEV_TX_OFFLOAD_GRE_TNL_TSO)); + DEV_TX_OFFLOAD_GRE_TNL_TSO | + DEV_TX_OFFLOAD_IP_TNL_TSO | + DEV_TX_OFFLOAD_UDP_TNL_TSO)); int swp = !!(tx_offloads & (DEV_TX_OFFLOAD_IP_TNL_TSO | DEV_TX_OFFLOAD_UDP_TNL_TSO | DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)); @@ -1186,6 +1252,8 @@ mlx5_select_rx_function(struct rte_eth_dev *dev) rx_pkt_burst = mlx5_rx_burst_vec; DRV_LOG(DEBUG, "port %u selected Rx vectorized function", dev->data->port_id); + } else if (mlx5_mprq_enabled(dev)) { + rx_pkt_burst = mlx5_rx_burst_mprq; } return rx_pkt_burst; } @@ -1209,3 +1277,90 @@ mlx5_is_removed(struct rte_eth_dev *dev) return 1; return 0; } + +/** + * Get port ID list of mlx5 instances sharing a common device. + * + * @param[in] dev + * Device to look for. + * @param[out] port_list + * Result buffer for collected port IDs. + * @param port_list_n + * Maximum number of entries in result buffer. If 0, @p port_list can be + * NULL. + * + * @return + * Number of matching instances regardless of the @p port_list_n + * parameter, 0 if none were found. + */ +unsigned int +mlx5_dev_to_port_id(const struct rte_device *dev, uint16_t *port_list, + unsigned int port_list_n) +{ + uint16_t id; + unsigned int n = 0; + + RTE_ETH_FOREACH_DEV(id) { + struct rte_eth_dev *ldev = &rte_eth_devices[id]; + + if (ldev->device != dev) + continue; + if (n < port_list_n) + port_list[n] = id; + n++; + } + return n; +} + +/** + * Get switch information associated with network interface. + * + * @param ifindex + * Network interface index. + * @param[out] info + * Switch information object, populated in case of success. + * + * @return + * 0 on success, a negative errno value otherwise and rte_errno is set. + */ +int +mlx5_sysfs_switch_info(unsigned int ifindex, struct mlx5_switch_info *info) +{ + char ifname[IF_NAMESIZE]; + FILE *file; + struct mlx5_switch_info data = { .master = 0, }; + bool port_name_set = false; + bool port_switch_id_set = false; + char c; + + if (!if_indextoname(ifindex, ifname)) { + rte_errno = errno; + return -rte_errno; + } + + MKSTR(phys_port_name, "/sys/class/net/%s/phys_port_name", + ifname); + MKSTR(phys_switch_id, "/sys/class/net/%s/phys_switch_id", + ifname); + + file = fopen(phys_port_name, "rb"); + if (file != NULL) { + port_name_set = + fscanf(file, "%d%c", &data.port_name, &c) == 2 && + c == '\n'; + fclose(file); + } + file = fopen(phys_switch_id, "rb"); + if (file == NULL) { + rte_errno = errno; + return -rte_errno; + } + port_switch_id_set = + fscanf(file, "%" SCNx64 "%c", &data.switch_id, &c) == 2 && + c == '\n'; + fclose(file); + data.master = port_switch_id_set && !port_name_set; + data.representor = port_switch_id_set && port_name_set; + *info = data; + return 0; +}