X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_ethdev.c;h=26f13fb1b3ea5a4953e1f4ee22be1494eb4da3ad;hb=f47ba80080ab81ad513f843407bec7178fed8857;hp=28183534aae2e0c78ac8513b45bf6e4a55d3053c;hpb=1cfa649ba614693165fc4659ace525d8b45bf110;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c index 28183534aa..26f13fb1b3 100644 --- a/drivers/net/mlx5/mlx5_ethdev.c +++ b/drivers/net/mlx5/mlx5_ethdev.c @@ -1,40 +1,13 @@ -/*- - * BSD LICENSE - * - * Copyright 2015 6WIND S.A. - * Copyright 2015 Mellanox. - * - * 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. - * * Neither the name of 6WIND S.A. nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2015 6WIND S.A. + * Copyright 2015 Mellanox. */ #define _GNU_SOURCE #include #include +#include #include #include #include @@ -45,17 +18,15 @@ #include #include #include -#include #include #include #include -#include #include #include #include #include -#include +#include #include #include #include @@ -64,6 +35,7 @@ #include #include "mlx5.h" +#include "mlx5_glue.h" #include "mlx5_rxtx.h" #include "mlx5_utils.h" @@ -121,17 +93,18 @@ struct ethtool_link_settings { /** * Get interface name from private structure. * - * @param[in] priv - * Pointer to private structure. + * @param[in] dev + * Pointer to Ethernet device. * @param[out] ifname * Interface name output buffer. * * @return - * 0 on success, -1 on failure and errno is set. + * 0 on success, a negative errno value otherwise and rte_errno is set. */ int -priv_get_ifname(const struct priv *priv, char (*ifname)[IF_NAMESIZE]) +mlx5_get_ifname(const struct rte_eth_dev *dev, char (*ifname)[IF_NAMESIZE]) { + struct priv *priv = dev->data->dev_private; DIR *dir; struct dirent *dent; unsigned int dev_type = 0; @@ -142,8 +115,10 @@ priv_get_ifname(const struct priv *priv, char (*ifname)[IF_NAMESIZE]) MKSTR(path, "%s/device/net", priv->ibdev_path); dir = opendir(path); - if (dir == NULL) - return -1; + if (dir == NULL) { + rte_errno = errno; + return -rte_errno; + } } while ((dent = readdir(dir)) != NULL) { char *name = dent->d_name; @@ -193,355 +168,131 @@ try_dev_id: snprintf(match, sizeof(match), "%s", name); } closedir(dir); - if (match[0] == '\0') - return -1; - strncpy(*ifname, match, sizeof(*ifname)); - return 0; -} - -/** - * Check if the counter is located on ib counters file. - * - * @param[in] cntr - * Counter name. - * - * @return - * 1 if counter is located on ib counters file , 0 otherwise. - */ -int -priv_is_ib_cntr(const char *cntr) -{ - if (!strcmp(cntr, "out_of_buffer")) - return 1; - return 0; -} - -/** - * Read from sysfs entry. - * - * @param[in] priv - * Pointer to private structure. - * @param[in] entry - * Entry name relative to sysfs path. - * @param[out] buf - * Data output buffer. - * @param size - * Buffer size. - * - * @return - * 0 on success, -1 on failure and errno is set. - */ -static int -priv_sysfs_read(const struct priv *priv, const char *entry, - char *buf, size_t size) -{ - char ifname[IF_NAMESIZE]; - FILE *file; - int ret; - int err; - - if (priv_get_ifname(priv, &ifname)) - return -1; - - if (priv_is_ib_cntr(entry)) { - MKSTR(path, "%s/ports/1/hw_counters/%s", - priv->ibdev_path, entry); - file = fopen(path, "rb"); - } else { - MKSTR(path, "%s/device/net/%s/%s", - priv->ibdev_path, ifname, entry); - file = fopen(path, "rb"); - } - if (file == NULL) - return -1; - ret = fread(buf, 1, size, file); - err = errno; - if (((size_t)ret < size) && (ferror(file))) - ret = -1; - else - ret = size; - fclose(file); - errno = err; - return ret; -} - -/** - * Write to sysfs entry. - * - * @param[in] priv - * Pointer to private structure. - * @param[in] entry - * Entry name relative to sysfs path. - * @param[in] buf - * Data buffer. - * @param size - * Buffer size. - * - * @return - * 0 on success, -1 on failure and errno is set. - */ -static int -priv_sysfs_write(const struct priv *priv, const char *entry, - char *buf, size_t size) -{ - char ifname[IF_NAMESIZE]; - FILE *file; - int ret; - int err; - - if (priv_get_ifname(priv, &ifname)) - return -1; - - MKSTR(path, "%s/device/net/%s/%s", priv->ibdev_path, ifname, entry); - - file = fopen(path, "wb"); - if (file == NULL) - return -1; - ret = fwrite(buf, 1, size, file); - err = errno; - if (((size_t)ret < size) || (ferror(file))) - ret = -1; - else - ret = size; - fclose(file); - errno = err; - return ret; -} - -/** - * Get unsigned long sysfs property. - * - * @param priv - * Pointer to private structure. - * @param[in] name - * Entry name relative to sysfs path. - * @param[out] value - * Value output buffer. - * - * @return - * 0 on success, -1 on failure and errno is set. - */ -static int -priv_get_sysfs_ulong(struct priv *priv, const char *name, unsigned long *value) -{ - int ret; - unsigned long value_ret; - char value_str[32]; - - ret = priv_sysfs_read(priv, name, value_str, (sizeof(value_str) - 1)); - if (ret == -1) { - DEBUG("cannot read %s value from sysfs: %s", - name, strerror(errno)); - return -1; - } - value_str[ret] = '\0'; - errno = 0; - value_ret = strtoul(value_str, NULL, 0); - if (errno) { - DEBUG("invalid %s value `%s': %s", name, value_str, - strerror(errno)); - return -1; - } - *value = value_ret; - return 0; -} - -/** - * Set unsigned long sysfs property. - * - * @param priv - * Pointer to private structure. - * @param[in] name - * Entry name relative to sysfs path. - * @param value - * Value to set. - * - * @return - * 0 on success, -1 on failure and errno is set. - */ -static int -priv_set_sysfs_ulong(struct priv *priv, const char *name, unsigned long value) -{ - int ret; - MKSTR(value_str, "%lu", value); - - ret = priv_sysfs_write(priv, name, value_str, (sizeof(value_str) - 1)); - if (ret == -1) { - DEBUG("cannot write %s `%s' (%lu) to sysfs: %s", - name, value_str, value, strerror(errno)); - return -1; + if (match[0] == '\0') { + rte_errno = ENOENT; + return -rte_errno; } + strncpy(*ifname, match, sizeof(*ifname)); return 0; } /** * Perform ifreq ioctl() on associated Ethernet device. * - * @param[in] priv - * Pointer to private structure. + * @param[in] dev + * Pointer to Ethernet device. * @param req * Request number to pass to ioctl(). * @param[out] ifr * Interface request structure output buffer. * * @return - * 0 on success, -1 on failure and errno is set. + * 0 on success, a negative errno value otherwise and rte_errno is set. */ int -priv_ifreq(const struct priv *priv, int req, struct ifreq *ifr) +mlx5_ifreq(const struct rte_eth_dev *dev, int req, struct ifreq *ifr) { int sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP); - int ret = -1; + int ret = 0; - if (sock == -1) - return ret; - if (priv_get_ifname(priv, &ifr->ifr_name) == 0) - ret = ioctl(sock, req, ifr); + if (sock == -1) { + rte_errno = errno; + return -rte_errno; + } + ret = mlx5_get_ifname(dev, &ifr->ifr_name); + if (ret) + goto error; + ret = ioctl(sock, req, ifr); + if (ret == -1) { + rte_errno = errno; + goto error; + } close(sock); - return ret; -} - -/** - * Return the number of active VFs for the current device. - * - * @param[in] priv - * Pointer to private structure. - * @param[out] num_vfs - * Number of active VFs. - * - * @return - * 0 on success, -1 on failure and errno is set. - */ -int -priv_get_num_vfs(struct priv *priv, uint16_t *num_vfs) -{ - /* The sysfs entry name depends on the operating system. */ - const char **name = (const char *[]){ - "device/sriov_numvfs", - "device/mlx5_num_vfs", - NULL, - }; - int ret; - - do { - unsigned long ulong_num_vfs; - - ret = priv_get_sysfs_ulong(priv, *name, &ulong_num_vfs); - if (!ret) - *num_vfs = ulong_num_vfs; - } while (*(++name) && ret); - return ret; + return 0; +error: + close(sock); + return -rte_errno; } /** * Get device MTU. * - * @param priv - * Pointer to private structure. + * @param dev + * Pointer to Ethernet device. * @param[out] mtu * MTU value output buffer. * * @return - * 0 on success, -1 on failure and errno is set. - */ -int -priv_get_mtu(struct priv *priv, uint16_t *mtu) -{ - unsigned long ulong_mtu; - - if (priv_get_sysfs_ulong(priv, "mtu", &ulong_mtu) == -1) - return -1; - *mtu = ulong_mtu; - return 0; -} - -/** - * Read device counter from sysfs. - * - * @param priv - * Pointer to private structure. - * @param name - * Counter name. - * @param[out] cntr - * Counter output buffer. - * - * @return - * 0 on success, -1 on failure and errno is set. + * 0 on success, a negative errno value otherwise and rte_errno is set. */ int -priv_get_cntr_sysfs(struct priv *priv, const char *name, uint64_t *cntr) +mlx5_get_mtu(struct rte_eth_dev *dev, uint16_t *mtu) { - unsigned long ulong_ctr; + struct ifreq request; + int ret = mlx5_ifreq(dev, SIOCGIFMTU, &request); - if (priv_get_sysfs_ulong(priv, name, &ulong_ctr) == -1) - return -1; - *cntr = ulong_ctr; + if (ret) + return ret; + *mtu = request.ifr_mtu; return 0; } /** * Set device MTU. * - * @param priv - * Pointer to private structure. + * @param dev + * Pointer to Ethernet device. * @param mtu * MTU value to set. * * @return - * 0 on success, -1 on failure and errno is set. + * 0 on success, a negative errno value otherwise and rte_errno is set. */ static int -priv_set_mtu(struct priv *priv, uint16_t mtu) +mlx5_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) { - uint16_t new_mtu; + struct ifreq request = { .ifr_mtu = mtu, }; - if (priv_set_sysfs_ulong(priv, "mtu", mtu) || - priv_get_mtu(priv, &new_mtu)) - return -1; - if (new_mtu == mtu) - return 0; - errno = EINVAL; - return -1; + return mlx5_ifreq(dev, SIOCSIFMTU, &request); } /** * Set device flags. * - * @param priv - * Pointer to private structure. + * @param dev + * Pointer to Ethernet device. * @param keep * Bitmask for flags that must remain untouched. * @param flags * Bitmask for flags to modify. * * @return - * 0 on success, -1 on failure and errno is set. + * 0 on success, a negative errno value otherwise and rte_errno is set. */ int -priv_set_flags(struct priv *priv, unsigned int keep, unsigned int flags) +mlx5_set_flags(struct rte_eth_dev *dev, unsigned int keep, unsigned int flags) { - unsigned long tmp; + struct ifreq request; + int ret = mlx5_ifreq(dev, SIOCGIFFLAGS, &request); - if (priv_get_sysfs_ulong(priv, "flags", &tmp) == -1) - return -1; - tmp &= keep; - tmp |= (flags & (~keep)); - return priv_set_sysfs_ulong(priv, "flags", tmp); + if (ret) + return ret; + request.ifr_flags &= keep; + request.ifr_flags |= flags & ~keep; + return mlx5_ifreq(dev, SIOCSIFFLAGS, &request); } /** - * Ethernet device configuration. - * - * Prepare the driver for a given number of TX and RX queues. + * DPDK callback for Ethernet device configuration. * * @param dev * Pointer to Ethernet device structure. * * @return - * 0 on success, errno value on failure. + * 0 on success, a negative errno value otherwise and rte_errno is set. */ -static int -dev_configure(struct rte_eth_dev *dev) +int +mlx5_dev_configure(struct rte_eth_dev *dev) { struct priv *priv = dev->data->dev_private; unsigned int rxqs_n = dev->data->nb_rx_queues; @@ -551,19 +302,45 @@ 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)) { /* MLX5 RSS only support 40bytes key. */ - return EINVAL; + rte_errno = EINVAL; + return -rte_errno; } priv->rss_conf.rss_key = rte_realloc(priv->rss_conf.rss_key, rss_hash_default_key_len, 0); if (!priv->rss_conf.rss_key) { - ERROR("cannot allocate RSS hash key memory (%u)", rxqs_n); - return ENOMEM; + DRV_LOG(ERR, "port %u cannot allocate RSS hash key memory (%u)", + dev->data->port_id, rxqs_n); + rte_errno = ENOMEM; + return -rte_errno; } memcpy(priv->rss_conf.rss_key, use_app_rss_key ? @@ -575,27 +352,30 @@ dev_configure(struct rte_eth_dev *dev) priv->rxqs = (void *)dev->data->rx_queues; priv->txqs = (void *)dev->data->tx_queues; if (txqs_n != priv->txqs_n) { - INFO("%p: TX queues number update: %u -> %u", - (void *)dev, priv->txqs_n, txqs_n); + DRV_LOG(INFO, "port %u Tx queues number update: %u -> %u", + dev->data->port_id, priv->txqs_n, txqs_n); priv->txqs_n = txqs_n; } - if (rxqs_n > priv->ind_table_max_size) { - ERROR("cannot handle this many RX queues (%u)", rxqs_n); - return EINVAL; + if (rxqs_n > priv->config.ind_table_max_size) { + DRV_LOG(ERR, "port %u cannot handle this many Rx queues (%u)", + dev->data->port_id, rxqs_n); + rte_errno = EINVAL; + return -rte_errno; } if (rxqs_n == priv->rxqs_n) return 0; - INFO("%p: RX queues number update: %u -> %u", - (void *)dev, priv->rxqs_n, rxqs_n); + DRV_LOG(INFO, "port %u Rx queues number update: %u -> %u", + dev->data->port_id, priv->rxqs_n, rxqs_n); priv->rxqs_n = rxqs_n; /* If the requested number of RX queues is not a power of two, use the * maximum indirection table size for better balancing. * The result is always rounded to the next power of two. */ reta_idx_n = (1 << log2above((rxqs_n & (rxqs_n - 1)) ? - priv->ind_table_max_size : + priv->config.ind_table_max_size : rxqs_n)); - if (priv_rss_reta_index_resize(priv, reta_idx_n)) - return ENOMEM; + ret = mlx5_rss_reta_index_resize(dev, reta_idx_n); + if (ret) + return ret; /* When the number of RX queues is not a power of two, the remaining * table entries are padded with reused WQs and hashes are not spread * uniformly. */ @@ -607,28 +387,6 @@ dev_configure(struct rte_eth_dev *dev) return 0; } -/** - * DPDK callback for Ethernet device configuration. - * - * @param dev - * Pointer to Ethernet device structure. - * - * @return - * 0 on success, negative errno value on failure. - */ -int -mlx5_dev_configure(struct rte_eth_dev *dev) -{ - struct priv *priv = dev->data->dev_private; - int ret; - - priv_lock(priv); - ret = dev_configure(dev); - assert(ret >= 0); - priv_unlock(priv); - return -ret; -} - /** * DPDK callback to get information about the device. * @@ -641,12 +399,11 @@ void mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info) { struct priv *priv = dev->data->dev_private; + struct mlx5_dev_config *config = &priv->config; unsigned int max; char ifname[IF_NAMESIZE]; info->pci_dev = RTE_ETH_DEV_TO_PCI(dev); - - priv_lock(priv); /* FIXME: we should ask the device for these values. */ info->min_rx_bufsize = 32; info->max_rx_pktlen = 65536; @@ -662,37 +419,28 @@ mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info) info->max_rx_queues = max; info->max_tx_queues = max; info->max_mac_addrs = RTE_DIM(priv->mac); - info->rx_offload_capa = - (priv->hw_csum ? - (DEV_RX_OFFLOAD_IPV4_CKSUM | - DEV_RX_OFFLOAD_UDP_CKSUM | - DEV_RX_OFFLOAD_TCP_CKSUM) : - 0) | - (priv->hw_vlan_strip ? DEV_RX_OFFLOAD_VLAN_STRIP : 0) | - DEV_RX_OFFLOAD_TIMESTAMP; - - if (!priv->mps) - info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT; - if (priv->hw_csum) - info->tx_offload_capa |= - (DEV_TX_OFFLOAD_IPV4_CKSUM | - DEV_TX_OFFLOAD_UDP_CKSUM | - DEV_TX_OFFLOAD_TCP_CKSUM); - if (priv->tso) - info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO; - if (priv->tunnel_en) - info->tx_offload_capa |= (DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM | - DEV_TX_OFFLOAD_VXLAN_TNL_TSO | - DEV_TX_OFFLOAD_GRE_TNL_TSO); - if (priv_get_ifname(priv, &ifname) == 0) + info->rx_queue_offload_capa = mlx5_get_rx_queue_offloads(dev); + info->rx_offload_capa = (mlx5_get_rx_port_offloads() | + info->rx_queue_offload_capa); + info->tx_offload_capa = mlx5_get_tx_port_offloads(dev); + if (mlx5_get_ifname(dev, &ifname) == 0) info->if_index = if_nametoindex(ifname); info->reta_size = priv->reta_idx_n ? - priv->reta_idx_n : priv->ind_table_max_size; + priv->reta_idx_n : config->ind_table_max_size; info->hash_key_size = priv->rss_conf.rss_key_len; info->speed_capa = priv->link_speed_capa; - priv_unlock(priv); + info->flow_type_rss_offloads = ~MLX5_RSS_HF_MASK; } +/** + * Get supported packet types. + * + * @param dev + * Pointer to Ethernet device structure. + * + * @return + * A pointer to the supported Packet types array. + */ const uint32_t * mlx5_dev_supported_ptypes_get(struct rte_eth_dev *dev) { @@ -725,11 +473,12 @@ mlx5_dev_supported_ptypes_get(struct rte_eth_dev *dev) * * @param dev * Pointer to Ethernet device structure. - * @param wait_to_complete - * Wait for request completion (ignored). + * + * @return + * 0 on success, a negative errno value otherwise and rte_errno is set. */ static int -mlx5_link_update_unlocked_gset(struct rte_eth_dev *dev, int wait_to_complete) +mlx5_link_update_unlocked_gset(struct rte_eth_dev *dev) { struct priv *priv = dev->data->dev_private; struct ethtool_cmd edata = { @@ -738,22 +487,24 @@ mlx5_link_update_unlocked_gset(struct rte_eth_dev *dev, int wait_to_complete) struct ifreq ifr; struct rte_eth_link dev_link; int link_speed = 0; + int ret; - /* priv_lock() is not taken to allow concurrent calls. */ - - (void)wait_to_complete; - if (priv_ifreq(priv, SIOCGIFFLAGS, &ifr)) { - WARN("ioctl(SIOCGIFFLAGS) failed: %s", strerror(errno)); - return -1; + ret = mlx5_ifreq(dev, SIOCGIFFLAGS, &ifr); + if (ret) { + DRV_LOG(WARNING, "port %u ioctl(SIOCGIFFLAGS) failed: %s", + 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; - if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) { - WARN("ioctl(SIOCETHTOOL, ETHTOOL_GSET) failed: %s", - strerror(errno)); - return -1; + ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr); + if (ret) { + DRV_LOG(WARNING, + "port %u ioctl(SIOCETHTOOL, ETHTOOL_GSET) failed: %s", + dev->data->port_id, strerror(rte_errno)); + return ret; } link_speed = ethtool_cmd_speed(&edata); if (link_speed == -1) @@ -783,7 +534,8 @@ mlx5_link_update_unlocked_gset(struct rte_eth_dev *dev, int wait_to_complete) return 0; } /* Link status is still the same. */ - return -1; + rte_errno = EAGAIN; + return -rte_errno; } /** @@ -791,31 +543,37 @@ mlx5_link_update_unlocked_gset(struct rte_eth_dev *dev, int wait_to_complete) * * @param dev * Pointer to Ethernet device structure. - * @param wait_to_complete - * Wait for request completion (ignored). + * + * @return + * 0 on success, a negative errno value otherwise and rte_errno is set. */ static int -mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete) +mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev) { struct priv *priv = dev->data->dev_private; struct ethtool_link_settings gcmd = { .cmd = ETHTOOL_GLINKSETTINGS }; struct ifreq ifr; struct rte_eth_link dev_link; uint64_t sc; + int ret; - (void)wait_to_complete; - if (priv_ifreq(priv, SIOCGIFFLAGS, &ifr)) { - WARN("ioctl(SIOCGIFFLAGS) failed: %s", strerror(errno)); - return -1; + ret = mlx5_ifreq(dev, SIOCGIFFLAGS, &ifr); + if (ret) { + DRV_LOG(WARNING, "port %u ioctl(SIOCGIFFLAGS) failed: %s", + 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; - if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) { - DEBUG("ioctl(SIOCETHTOOL, ETHTOOL_GLINKSETTINGS) failed: %s", - strerror(errno)); - return -1; + ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr); + if (ret) { + DRV_LOG(DEBUG, + "port %u ioctl(SIOCETHTOOL, ETHTOOL_GLINKSETTINGS)" + " failed: %s", + dev->data->port_id, strerror(rte_errno)); + return ret; } gcmd.link_mode_masks_nwords = -gcmd.link_mode_masks_nwords; @@ -826,10 +584,13 @@ mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete) *ecmd = gcmd; ifr.ifr_data = (void *)ecmd; - if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) { - DEBUG("ioctl(SIOCETHTOOL, ETHTOOL_GLINKSETTINGS) failed: %s", - strerror(errno)); - return -1; + ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr); + if (ret) { + DRV_LOG(DEBUG, + "port %u ioctl(SIOCETHTOOL, ETHTOOL_GLINKSETTINGS)" + " failed: %s", + dev->data->port_id, strerror(rte_errno)); + return ret; } dev_link.link_speed = ecmd->speed; sc = ecmd->link_mode_masks[0] | @@ -879,7 +640,82 @@ mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete) return 0; } /* Link status is still the same. */ - return -1; + rte_errno = EAGAIN; + return -rte_errno; +} + +/** + * Enable receiving and transmitting traffic. + * + * @param dev + * Pointer to Ethernet device. + */ +static void +mlx5_link_start(struct rte_eth_dev *dev) +{ + struct priv *priv = dev->data->dev_private; + int ret; + + dev->tx_pkt_burst = mlx5_select_tx_function(dev); + dev->rx_pkt_burst = mlx5_select_rx_function(dev); + ret = mlx5_traffic_enable(dev); + if (ret) { + DRV_LOG(ERR, + "port %u error occurred while configuring control" + " flows: %s", + dev->data->port_id, strerror(rte_errno)); + return; + } + ret = mlx5_flow_start(dev, &priv->flows); + if (ret) + DRV_LOG(ERR, + "port %u error occurred while configuring flows: %s", + dev->data->port_id, strerror(rte_errno)); +} + +/** + * Disable receiving and transmitting traffic. + * + * @param dev + * Pointer to Ethernet device. + */ +static void +mlx5_link_stop(struct rte_eth_dev *dev) +{ + struct priv *priv = dev->data->dev_private; + + mlx5_flow_stop(dev, &priv->flows); + mlx5_traffic_disable(dev); + dev->rx_pkt_burst = removed_rx_burst; + dev->tx_pkt_burst = removed_tx_burst; +} + +/** + * Querying the link status till it changes to the desired state. + * Number of query attempts is bounded by MLX5_MAX_LINK_QUERY_ATTEMPTS. + * + * @param dev + * Pointer to Ethernet device. + * @param status + * Link desired status. + * + * @return + * 0 on success, a negative errno value otherwise and rte_errno is set. + */ +int +mlx5_force_link_status_change(struct rte_eth_dev *dev, int status) +{ + int try = 0; + + while (try < MLX5_MAX_LINK_QUERY_ATTEMPTS) { + mlx5_link_update(dev, 0); + if (dev->data->dev_link.link_status == status) + return 0; + try++; + sleep(1); + } + rte_errno = EAGAIN; + return -rte_errno; } /** @@ -889,19 +725,35 @@ mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete) * Pointer to Ethernet device structure. * @param wait_to_complete * Wait for request completion (ignored). + * + * @return + * 0 on success, a negative errno value otherwise and rte_errno is set. */ int -mlx5_link_update(struct rte_eth_dev *dev, int wait_to_complete) +mlx5_link_update(struct rte_eth_dev *dev, int wait_to_complete __rte_unused) { - struct utsname utsname; - int ver[3]; - - if (uname(&utsname) == -1 || - sscanf(utsname.release, "%d.%d.%d", - &ver[0], &ver[1], &ver[2]) != 3 || - KERNEL_VERSION(ver[0], ver[1], ver[2]) < KERNEL_VERSION(4, 9, 0)) - return mlx5_link_update_unlocked_gset(dev, wait_to_complete); - return mlx5_link_update_unlocked_gs(dev, wait_to_complete); + int ret; + struct rte_eth_link dev_link = dev->data->dev_link; + + ret = mlx5_link_update_unlocked_gset(dev); + if (ret) { + ret = mlx5_link_update_unlocked_gs(dev); + if (ret) + return ret; + } + /* If lsc interrupt is disabled, should always be ready for traffic. */ + if (!dev->data->dev_conf.intr_conf.lsc) { + mlx5_link_start(dev); + return 0; + } + /* Re-select burst callbacks only if link status has been changed. */ + if (!ret && dev_link.link_status != dev->data->dev_link.link_status) { + if (dev->data->dev_link.link_status == ETH_LINK_UP) + mlx5_link_start(dev); + else + mlx5_link_stop(dev); + } + return 0; } /** @@ -913,39 +765,33 @@ mlx5_link_update(struct rte_eth_dev *dev, int wait_to_complete) * New MTU. * * @return - * 0 on success, negative errno value on failure. + * 0 on success, a negative errno value otherwise and rte_errno is set. */ 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; + uint16_t kern_mtu = 0; + int ret; - priv_lock(priv); - ret = priv_get_mtu(priv, &kern_mtu); + ret = mlx5_get_mtu(dev, &kern_mtu); if (ret) - goto out; + return ret; /* Set kernel interface MTU first. */ - ret = priv_set_mtu(priv, mtu); + ret = mlx5_set_mtu(dev, mtu); if (ret) - goto out; - ret = priv_get_mtu(priv, &kern_mtu); + return ret; + ret = mlx5_get_mtu(dev, &kern_mtu); if (ret) - goto out; + return ret; if (kern_mtu == mtu) { priv->mtu = mtu; - DEBUG("adapter port %u MTU set to %u", priv->port, mtu); + DRV_LOG(DEBUG, "port %u adapter MTU set to %u", + dev->data->port_id, mtu); + return 0; } - 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; + rte_errno = EAGAIN; + return -rte_errno; } /** @@ -957,12 +803,11 @@ out: * Flow control output buffer. * * @return - * 0 on success, negative errno value on failure. + * 0 on success, a negative errno value otherwise and rte_errno is set. */ int mlx5_dev_get_flow_ctrl(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) { - struct priv *priv = dev->data->dev_private; struct ifreq ifr; struct ethtool_pauseparam ethpause = { .cmd = ETHTOOL_GPAUSEPARAM @@ -970,15 +815,14 @@ mlx5_dev_get_flow_ctrl(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) int ret; ifr.ifr_data = (void *)ðpause; - priv_lock(priv); - if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) { - ret = errno; - WARN("ioctl(SIOCETHTOOL, ETHTOOL_GPAUSEPARAM)" - " failed: %s", - strerror(ret)); - goto out; + ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr); + if (ret) { + DRV_LOG(WARNING, + "port %u ioctl(SIOCETHTOOL, ETHTOOL_GPAUSEPARAM) failed:" + " %s", + dev->data->port_id, strerror(rte_errno)); + return ret; } - fc_conf->autoneg = ethpause.autoneg; if (ethpause.rx_pause && ethpause.tx_pause) fc_conf->mode = RTE_FC_FULL; @@ -988,12 +832,7 @@ mlx5_dev_get_flow_ctrl(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) fc_conf->mode = RTE_FC_TX_PAUSE; else fc_conf->mode = RTE_FC_NONE; - ret = 0; - -out: - priv_unlock(priv); - assert(ret >= 0); - return -ret; + return 0; } /** @@ -1005,12 +844,11 @@ out: * Flow control parameters. * * @return - * 0 on success, negative errno value on failure. + * 0 on success, a negative errno value otherwise and rte_errno is set. */ int mlx5_dev_set_flow_ctrl(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) { - struct priv *priv = dev->data->dev_private; struct ifreq ifr; struct ethtool_pauseparam ethpause = { .cmd = ETHTOOL_SPAUSEPARAM @@ -1030,21 +868,15 @@ mlx5_dev_set_flow_ctrl(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) ethpause.tx_pause = 1; else ethpause.tx_pause = 0; - - priv_lock(priv); - if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) { - ret = errno; - WARN("ioctl(SIOCETHTOOL, ETHTOOL_SPAUSEPARAM)" - " failed: %s", - strerror(ret)); - goto out; + ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr); + if (ret) { + DRV_LOG(WARNING, + "port %u ioctl(SIOCETHTOOL, ETHTOOL_SPAUSEPARAM)" + " failed: %s", + dev->data->port_id, strerror(rte_errno)); + return ret; } - ret = 0; - -out: - priv_unlock(priv); - assert(ret >= 0); - return -ret; + return 0; } /** @@ -1056,7 +888,7 @@ out: * PCI bus address output buffer. * * @return - * 0 on success, -1 on failure and errno is set. + * 0 on success, a negative errno value otherwise and rte_errno is set. */ int mlx5_ibv_device_to_pci_addr(const struct ibv_device *device, @@ -1067,8 +899,10 @@ mlx5_ibv_device_to_pci_addr(const struct ibv_device *device, MKSTR(path, "%s/device/uevent", device->ibdev_path); file = fopen(path, "rb"); - if (file == NULL) - return -1; + if (file == NULL) { + rte_errno = errno; + return -rte_errno; + } while (fgets(line, sizeof(line), file) == line) { size_t len = strlen(line); int ret; @@ -1100,18 +934,23 @@ mlx5_ibv_device_to_pci_addr(const struct ibv_device *device, /** * Update the link status. * - * @param priv - * Pointer to private structure. + * @param dev + * Pointer to Ethernet device. * * @return - * Zero if the callback process can be called immediately. + * Zero if the callback process can be called immediately, negative errno + * value otherwise and rte_errno is set. */ static int -priv_link_status_update(struct priv *priv) +mlx5_link_status_update(struct rte_eth_dev *dev) { - struct rte_eth_link *link = &priv->dev->data->dev_link; + struct priv *priv = dev->data->dev_private; + struct rte_eth_link *link = &dev->data->dev_link; + int ret; - mlx5_link_update(priv->dev, 0); + ret = mlx5_link_update(dev, 0); + if (ret) + return ret; if (((link->link_speed == 0) && link->link_status) || ((link->link_speed != 0) && !link->link_status)) { /* @@ -1136,8 +975,8 @@ priv_link_status_update(struct priv *priv) /** * Device status handler. * - * @param priv - * Pointer to private structure. + * @param dev + * Pointer to Ethernet device. * @param events * Pointer to event flags holder. * @@ -1145,29 +984,31 @@ priv_link_status_update(struct priv *priv) * Events bitmap of callback process which can be called immediately. */ static uint32_t -priv_dev_status_handler(struct priv *priv) +mlx5_dev_status_handler(struct rte_eth_dev *dev) { + struct priv *priv = dev->data->dev_private; struct ibv_async_event event; uint32_t ret = 0; /* Read all message and acknowledge them. */ for (;;) { - if (ibv_get_async_event(priv->ctx, &event)) + if (mlx5_glue->get_async_event(priv->ctx, &event)) break; if ((event.event_type == IBV_EVENT_PORT_ACTIVE || event.event_type == IBV_EVENT_PORT_ERR) && - (priv->dev->data->dev_conf.intr_conf.lsc == 1)) + (dev->data->dev_conf.intr_conf.lsc == 1)) ret |= (1 << RTE_ETH_EVENT_INTR_LSC); else if (event.event_type == IBV_EVENT_DEVICE_FATAL && - priv->dev->data->dev_conf.intr_conf.rmv == 1) + dev->data->dev_conf.intr_conf.rmv == 1) ret |= (1 << RTE_ETH_EVENT_INTR_RMV); else - DEBUG("event type %d on port %d not handled", - event.event_type, event.element.port_num); - ibv_ack_async_event(&event); + DRV_LOG(DEBUG, + "port %u event type %d on not handled", + dev->data->port_id, event.event_type); + mlx5_glue->ack_async_event(&event); } if (ret & (1 << RTE_ETH_EVENT_INTR_LSC)) - if (priv_link_status_update(priv)) + if (mlx5_link_status_update(dev)) ret &= ~(1 << RTE_ETH_EVENT_INTR_LSC); return ret; } @@ -1185,14 +1026,10 @@ mlx5_dev_link_status_handler(void *arg) struct priv *priv = dev->data->dev_private; int ret; - priv_lock(priv); - assert(priv->pending_alarm == 1); priv->pending_alarm = 0; - ret = priv_link_status_update(priv); - priv_unlock(priv); + ret = mlx5_link_status_update(dev); if (!ret) - _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL, - NULL); + _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL); } /** @@ -1207,18 +1044,13 @@ void mlx5_dev_interrupt_handler(void *cb_arg) { struct rte_eth_dev *dev = cb_arg; - struct priv *priv = dev->data->dev_private; uint32_t events; - priv_lock(priv); - events = priv_dev_status_handler(priv); - priv_unlock(priv); + events = mlx5_dev_status_handler(dev); if (events & (1 << RTE_ETH_EVENT_INTR_LSC)) - _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL, - NULL); + _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL); if (events & (1 << RTE_ETH_EVENT_INTR_RMV)) - _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RMV, NULL, - NULL); + _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RMV, NULL); } /** @@ -1231,24 +1063,21 @@ static void mlx5_dev_handler_socket(void *cb_arg) { struct rte_eth_dev *dev = cb_arg; - struct priv *priv = dev->data->dev_private; - priv_lock(priv); - priv_socket_handle(priv); - priv_unlock(priv); + mlx5_socket_handle(dev); } /** * Uninstall interrupt handler. * - * @param priv - * Pointer to private structure. * @param dev - * Pointer to the rte_eth_dev structure. + * Pointer to Ethernet device. */ void -priv_dev_interrupt_handler_uninstall(struct priv *priv, struct rte_eth_dev *dev) +mlx5_dev_interrupt_handler_uninstall(struct rte_eth_dev *dev) { + struct priv *priv = dev->data->dev_private; + if (dev->data->dev_conf.intr_conf.lsc || dev->data->dev_conf.intr_conf.rmv) rte_intr_callback_unregister(&priv->intr_handle, @@ -1256,9 +1085,10 @@ priv_dev_interrupt_handler_uninstall(struct priv *priv, struct rte_eth_dev *dev) if (priv->primary_socket) rte_intr_callback_unregister(&priv->intr_handle_socket, mlx5_dev_handler_socket, dev); - if (priv->pending_alarm) + if (priv->pending_alarm) { + priv->pending_alarm = 0; rte_eal_alarm_cancel(mlx5_dev_link_status_handler, dev); - priv->pending_alarm = 0; + } priv->intr_handle.fd = 0; priv->intr_handle.type = RTE_INTR_HANDLE_UNKNOWN; priv->intr_handle_socket.fd = 0; @@ -1268,21 +1098,24 @@ priv_dev_interrupt_handler_uninstall(struct priv *priv, struct rte_eth_dev *dev) /** * Install interrupt handler. * - * @param priv - * Pointer to private structure. * @param dev - * Pointer to the rte_eth_dev structure. + * Pointer to Ethernet device. */ void -priv_dev_interrupt_handler_install(struct priv *priv, struct rte_eth_dev *dev) +mlx5_dev_interrupt_handler_install(struct rte_eth_dev *dev) { - int rc, flags; + struct priv *priv = dev->data->dev_private; + int ret; + int flags; assert(priv->ctx->async_fd > 0); flags = fcntl(priv->ctx->async_fd, F_GETFL); - rc = fcntl(priv->ctx->async_fd, F_SETFL, flags | O_NONBLOCK); - if (rc < 0) { - INFO("failed to change file descriptor async event queue"); + ret = fcntl(priv->ctx->async_fd, F_SETFL, flags | O_NONBLOCK); + if (ret) { + DRV_LOG(INFO, + "port %u failed to change file descriptor async event" + " queue", + dev->data->port_id); dev->data->dev_conf.intr_conf.lsc = 0; dev->data->dev_conf.intr_conf.rmv = 0; } @@ -1293,9 +1126,11 @@ priv_dev_interrupt_handler_install(struct priv *priv, struct rte_eth_dev *dev) rte_intr_callback_register(&priv->intr_handle, mlx5_dev_interrupt_handler, dev); } - - rc = priv_socket_init(priv); - if (!rc && priv->primary_socket) { + ret = mlx5_socket_init(dev); + if (ret) + DRV_LOG(ERR, "port %u cannot initialise socket: %s", + dev->data->port_id, strerror(rte_errno)); + else if (priv->primary_socket) { priv->intr_handle_socket.fd = priv->primary_socket; priv->intr_handle_socket.type = RTE_INTR_HANDLE_EXT; rte_intr_callback_register(&priv->intr_handle_socket, @@ -1303,40 +1138,6 @@ priv_dev_interrupt_handler_install(struct priv *priv, struct rte_eth_dev *dev) } } -/** - * Change the link state (UP / DOWN). - * - * @param priv - * Pointer to private data structure. - * @param dev - * Pointer to rte_eth_dev structure. - * @param up - * Nonzero for link up, otherwise link down. - * - * @return - * 0 on success, errno value on failure. - */ -static int -priv_dev_set_link(struct priv *priv, struct rte_eth_dev *dev, int up) -{ - int err; - - if (up) { - err = priv_set_flags(priv, ~IFF_UP, IFF_UP); - if (err) - return err; - dev->tx_pkt_burst = priv_select_tx_function(priv, dev); - dev->rx_pkt_burst = priv_select_rx_function(priv, dev); - } else { - err = priv_set_flags(priv, ~IFF_UP, ~IFF_UP); - if (err) - return err; - dev->rx_pkt_burst = removed_rx_burst; - dev->tx_pkt_burst = removed_tx_burst; - } - return 0; -} - /** * DPDK callback to bring the link DOWN. * @@ -1344,18 +1145,12 @@ priv_dev_set_link(struct priv *priv, struct rte_eth_dev *dev, int up) * Pointer to Ethernet device structure. * * @return - * 0 on success, errno value on failure. + * 0 on success, a negative errno value otherwise and rte_errno is set. */ int mlx5_set_link_down(struct rte_eth_dev *dev) { - struct priv *priv = dev->data->dev_private; - int err; - - priv_lock(priv); - err = priv_dev_set_link(priv, dev, 0); - priv_unlock(priv); - return err; + return mlx5_set_flags(dev, ~IFF_UP, ~IFF_UP); } /** @@ -1365,55 +1160,63 @@ mlx5_set_link_down(struct rte_eth_dev *dev) * Pointer to Ethernet device structure. * * @return - * 0 on success, errno value on failure. + * 0 on success, a negative errno value otherwise and rte_errno is set. */ int mlx5_set_link_up(struct rte_eth_dev *dev) { - struct priv *priv = dev->data->dev_private; - int err; - - priv_lock(priv); - err = priv_dev_set_link(priv, dev, 1); - priv_unlock(priv); - return err; + return mlx5_set_flags(dev, ~IFF_UP, IFF_UP); } /** * Configure the TX function to use. * - * @param priv - * Pointer to private data structure. * @param dev - * Pointer to rte_eth_dev structure. + * Pointer to private data structure. * * @return * Pointer to selected Tx burst function. */ eth_tx_burst_t -priv_select_tx_function(struct priv *priv, __rte_unused struct rte_eth_dev *dev) +mlx5_select_tx_function(struct rte_eth_dev *dev) { + struct priv *priv = dev->data->dev_private; eth_tx_burst_t tx_pkt_burst = mlx5_tx_burst; + struct mlx5_dev_config *config = &priv->config; + 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)); + int vlan_insert = !!(tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT); assert(priv != NULL); /* Select appropriate TX function. */ - if (priv->mps == MLX5_MPW_ENHANCED) { - if (priv_check_vec_tx_support(priv) > 0) { - if (priv_check_raw_vec_tx_support(priv) > 0) + if (vlan_insert || tso) + return tx_pkt_burst; + if (config->mps == MLX5_MPW_ENHANCED) { + if (mlx5_check_vec_tx_support(dev) > 0) { + if (mlx5_check_raw_vec_tx_support(dev) > 0) tx_pkt_burst = mlx5_tx_burst_raw_vec; else tx_pkt_burst = mlx5_tx_burst_vec; - DEBUG("selected Enhanced MPW TX vectorized function"); + DRV_LOG(DEBUG, + "port %u selected enhanced MPW Tx vectorized" + " function", + dev->data->port_id); } else { tx_pkt_burst = mlx5_tx_burst_empw; - DEBUG("selected Enhanced MPW TX function"); + DRV_LOG(DEBUG, + "port %u selected enhanced MPW Tx function", + dev->data->port_id); } - } else if (priv->mps && priv->txq_inline) { + } else if (config->mps && (config->txq_inline > 0)) { tx_pkt_burst = mlx5_tx_burst_mpw_inline; - DEBUG("selected MPW inline TX function"); - } else if (priv->mps) { + DRV_LOG(DEBUG, "port %u selected MPW inline Tx function", + dev->data->port_id); + } else if (config->mps) { tx_pkt_burst = mlx5_tx_burst_mpw; - DEBUG("selected MPW TX function"); + DRV_LOG(DEBUG, "port %u selected MPW Tx function", + dev->data->port_id); } return tx_pkt_burst; } @@ -1421,23 +1224,42 @@ priv_select_tx_function(struct priv *priv, __rte_unused struct rte_eth_dev *dev) /** * Configure the RX function to use. * - * @param priv - * Pointer to private data structure. * @param dev - * Pointer to rte_eth_dev structure. + * Pointer to private data structure. * * @return * Pointer to selected Rx burst function. */ eth_rx_burst_t -priv_select_rx_function(struct priv *priv, __rte_unused struct rte_eth_dev *dev) +mlx5_select_rx_function(struct rte_eth_dev *dev) { eth_rx_burst_t rx_pkt_burst = mlx5_rx_burst; - assert(priv != NULL); - if (priv_check_vec_rx_support(priv) > 0) { + assert(dev != NULL); + if (mlx5_check_vec_rx_support(dev) > 0) { rx_pkt_burst = mlx5_rx_burst_vec; - DEBUG("selected RX vectorized function"); + DRV_LOG(DEBUG, "port %u selected Rx vectorized function", + dev->data->port_id); } return rx_pkt_burst; } + +/** + * Check if mlx5 device was removed. + * + * @param dev + * Pointer to Ethernet device structure. + * + * @return + * 1 when device is removed, otherwise 0. + */ +int +mlx5_is_removed(struct rte_eth_dev *dev) +{ + struct ibv_device_attr device_attr; + struct priv *priv = dev->data->dev_private; + + if (mlx5_glue->query_device(priv->ctx, &device_attr) == EIO) + return 1; + return 0; +}