X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_ethdev.c;h=cefb45064eeae56765c913e721151475b4ee2eda;hb=50f95b23c9ba8237a7f376e2e90d4bfa04a3bab6;hp=ca9ad0fefca9e3857eb1312a18e53eb4daf08ba5;hpb=51e7fa8d20876cb221b11013cd23b1881cc9b75c;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c index ca9ad0fefc..cefb45064e 100644 --- a/drivers/net/mlx5/mlx5_ethdev.c +++ b/drivers/net/mlx5/mlx5_ethdev.c @@ -1,632 +1,278 @@ -/*- - * 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 Technologies, Ltd */ -#define _GNU_SOURCE - #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 #include #include #include -#include #include +#include +#include +#include -#include "mlx5.h" -#include "mlx5_rxtx.h" -#include "mlx5_utils.h" - -/* Add defines in case the running kernel is not the same as user headers. */ -#ifndef ETHTOOL_GLINKSETTINGS -struct ethtool_link_settings { - uint32_t cmd; - uint32_t speed; - uint8_t duplex; - uint8_t port; - uint8_t phy_address; - uint8_t autoneg; - uint8_t mdio_support; - uint8_t eth_to_mdix; - uint8_t eth_tp_mdix_ctrl; - int8_t link_mode_masks_nwords; - uint32_t reserved[8]; - uint32_t link_mode_masks[]; -}; +#include -#define ETHTOOL_GLINKSETTINGS 0x0000004c -#define ETHTOOL_LINK_MODE_1000baseT_Full_BIT 5 -#define ETHTOOL_LINK_MODE_Autoneg_BIT 6 -#define ETHTOOL_LINK_MODE_1000baseKX_Full_BIT 17 -#define ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT 18 -#define ETHTOOL_LINK_MODE_10000baseKR_Full_BIT 19 -#define ETHTOOL_LINK_MODE_10000baseR_FEC_BIT 20 -#define ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT 21 -#define ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT 22 -#define ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT 23 -#define ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT 24 -#define ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT 25 -#define ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT 26 -#define ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT 27 -#define ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT 28 -#define ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT 29 -#define ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT 30 -#endif -#ifndef HAVE_ETHTOOL_LINK_MODE_25G -#define ETHTOOL_LINK_MODE_25000baseCR_Full_BIT 31 -#define ETHTOOL_LINK_MODE_25000baseKR_Full_BIT 32 -#define ETHTOOL_LINK_MODE_25000baseSR_Full_BIT 33 -#endif -#ifndef HAVE_ETHTOOL_LINK_MODE_50G -#define ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT 34 -#define ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT 35 -#endif -#ifndef HAVE_ETHTOOL_LINK_MODE_100G -#define ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT 36 -#define ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT 37 -#define ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT 38 -#define ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT 39 -#endif +#include "mlx5_rxtx.h" +#include "mlx5_autoconf.h" /** - * Get interface name from private structure. + * Get the interface index from device name. * - * @param[in] priv - * Pointer to private structure. - * @param[out] ifname - * Interface name output buffer. + * @param[in] dev + * Pointer to Ethernet device. * * @return - * 0 on success, -1 on failure and errno is set. + * Nonzero interface index on success, zero otherwise and rte_errno is set. */ -int -priv_get_ifname(const struct priv *priv, char (*ifname)[IF_NAMESIZE]) +unsigned int +mlx5_ifindex(const struct rte_eth_dev *dev) { - DIR *dir; - struct dirent *dent; - unsigned int dev_type = 0; - unsigned int dev_port_prev = ~0u; - char match[IF_NAMESIZE] = ""; - - { - MKSTR(path, "%s/device/net", priv->ibdev_path); - - dir = opendir(path); - if (dir == NULL) - return -1; - } - while ((dent = readdir(dir)) != NULL) { - char *name = dent->d_name; - FILE *file; - unsigned int dev_port; - int r; + struct mlx5_priv *priv = dev->data->dev_private; + unsigned int ifindex; - if ((name[0] == '.') && - ((name[1] == '\0') || - ((name[1] == '.') && (name[2] == '\0')))) - continue; - - MKSTR(path, "%s/device/net/%s/%s", - priv->ibdev_path, name, - (dev_type ? "dev_id" : "dev_port")); - - file = fopen(path, "rb"); - if (file == NULL) { - if (errno != ENOENT) - continue; - /* - * Switch to dev_id when dev_port does not exist as - * is the case with Linux kernel versions < 3.15. - */ -try_dev_id: - match[0] = '\0'; - if (dev_type) - break; - dev_type = 1; - dev_port_prev = ~0u; - rewinddir(dir); - continue; - } - r = fscanf(file, (dev_type ? "%x" : "%u"), &dev_port); - fclose(file); - if (r != 1) - continue; - /* - * Switch to dev_id when dev_port returns the same value for - * all ports. May happen when using a MOFED release older than - * 3.0 with a Linux kernel >= 3.15. - */ - if (dev_port == dev_port_prev) - goto try_dev_id; - dev_port_prev = dev_port; - if (dev_port == (priv->port - 1u)) - snprintf(match, sizeof(match), "%s", name); - } - closedir(dir); - if (match[0] == '\0') - return -1; - strncpy(*ifname, match, sizeof(*ifname)); - return 0; + MLX5_ASSERT(priv); + MLX5_ASSERT(priv->if_index); + ifindex = priv->if_index; + if (!ifindex) + rte_errno = ENXIO; + return ifindex; } /** - * Check if the counter is located on ib counters file. + * DPDK callback for Ethernet device configuration. * - * @param[in] cntr - * Counter name. + * @param dev + * Pointer to Ethernet device structure. * * @return - * 1 if counter is located on ib counters file , 0 otherwise. + * 0 on success, a negative errno value otherwise and rte_errno is set. */ 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) +mlx5_dev_configure(struct rte_eth_dev *dev) { - char ifname[IF_NAMESIZE]; - FILE *file; - int ret; - int err; - - if (priv_get_ifname(priv, &ifname)) - return -1; + struct mlx5_priv *priv = dev->data->dev_private; + unsigned int rxqs_n = dev->data->nb_rx_queues; + unsigned int txqs_n = dev->data->nb_tx_queues; + const uint8_t use_app_rss_key = + !!dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key; + int ret = 0; - 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 (use_app_rss_key && + (dev->data->dev_conf.rx_adv_conf.rss_conf.rss_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 = + mlx5_realloc(priv->rss_conf.rss_key, MLX5_MEM_RTE, + MLX5_RSS_HASH_KEY_LEN, 0, SOCKET_ID_ANY); + if (!priv->rss_conf.rss_key) { + DRV_LOG(ERR, "port %u cannot allocate RSS hash key memory (%u)", + dev->data->port_id, rxqs_n); + rte_errno = ENOMEM; + return -rte_errno; } - 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; -} + if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) + dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH; -/** - * 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; + memcpy(priv->rss_conf.rss_key, + use_app_rss_key ? + dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key : + rss_hash_default_key, + 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; + if (txqs_n != priv->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; } - 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; + 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; } - *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 (rxqs_n != priv->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; } - return 0; -} - -/** - * Perform ifreq ioctl() on associated Ethernet device. - * - * @param[in] priv - * Pointer to private structure. - * @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. - */ -int -priv_ifreq(const struct priv *priv, int req, struct ifreq *ifr) -{ - int sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP); - int ret = -1; - - if (sock == -1) + priv->skip_default_rss_reta = 0; + ret = mlx5_proc_priv_init(dev); + if (ret) return ret; - if (priv_get_ifname(priv, &ifr->ifr_name) == 0) - ret = ioctl(sock, req, ifr); - 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; -} - -/** - * Get device MTU. - * - * @param priv - * Pointer to private structure. - * @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. - */ -int -priv_get_cntr_sysfs(struct priv *priv, const char *name, uint64_t *cntr) -{ - unsigned long ulong_ctr; - - if (priv_get_sysfs_ulong(priv, name, &ulong_ctr) == -1) - return -1; - *cntr = ulong_ctr; - return 0; -} - -/** - * Set device MTU. - * - * @param priv - * Pointer to private structure. - * @param mtu - * MTU value to set. - * - * @return - * 0 on success, -1 on failure and errno is set. - */ -static int -priv_set_mtu(struct priv *priv, uint16_t mtu) -{ - uint16_t new_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; -} - -/** - * Set device flags. - * - * @param priv - * Pointer to private structure. - * @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. - */ -int -priv_set_flags(struct priv *priv, unsigned int keep, unsigned int flags) -{ - unsigned long tmp; - - if (priv_get_sysfs_ulong(priv, "flags", &tmp) == -1) - return -1; - tmp &= keep; - tmp |= (flags & (~keep)); - return priv_set_sysfs_ulong(priv, "flags", tmp); -} - -/** - * Ethernet device configuration. - * - * Prepare the driver for a given number of TX and RX queues. + * Configure default RSS reta. * * @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_rss_reta(struct rte_eth_dev *dev) { - struct priv *priv = dev->data->dev_private; + struct mlx5_priv *priv = dev->data->dev_private; unsigned int rxqs_n = dev->data->nb_rx_queues; - unsigned int txqs_n = dev->data->nb_tx_queues; unsigned int i; unsigned int j; unsigned int reta_idx_n; - const uint8_t use_app_rss_key = - !!dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len; + int ret = 0; + unsigned int *rss_queue_arr = NULL; + unsigned int rss_queue_n = 0; - 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; + if (priv->skip_default_rss_reta) + return ret; + rss_queue_arr = mlx5_malloc(0, rxqs_n * sizeof(unsigned int), 0, + SOCKET_ID_ANY); + if (!rss_queue_arr) { + DRV_LOG(ERR, "port %u cannot allocate RSS queue list (%u)", + dev->data->port_id, rxqs_n); + rte_errno = ENOMEM; + 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; + for (i = 0, j = 0; i < rxqs_n; i++) { + struct mlx5_rxq_data *rxq_data; + struct mlx5_rxq_ctrl *rxq_ctrl; + + rxq_data = (*priv->rxqs)[i]; + rxq_ctrl = container_of(rxq_data, struct mlx5_rxq_ctrl, rxq); + if (rxq_ctrl && rxq_ctrl->type == MLX5_RXQ_TYPE_STANDARD) + rss_queue_arr[j++] = i; } - memcpy(priv->rss_conf.rss_key, - 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; - 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; - if (txqs_n != priv->txqs_n) { - INFO("%p: TX queues number update: %u -> %u", - (void *)dev, 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; + rss_queue_n = j; + if (rss_queue_n > priv->config.ind_table_max_size) { + DRV_LOG(ERR, "port %u cannot handle this many Rx queues (%u)", + dev->data->port_id, rss_queue_n); + rte_errno = EINVAL; + mlx5_free(rss_queue_arr); + 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 : - rxqs_n)); - if (priv_rss_reta_index_resize(priv, reta_idx_n)) - return ENOMEM; - /* 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. */ + /* + * 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((rss_queue_n & (rss_queue_n - 1)) ? + priv->config.ind_table_max_size : + rss_queue_n)); + ret = mlx5_rss_reta_index_resize(dev, reta_idx_n); + if (ret) { + mlx5_free(rss_queue_arr); + 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. + */ for (i = 0, j = 0; (i != reta_idx_n); ++i) { - (*priv->reta_idx)[i] = j; - if (++j == rxqs_n) + (*priv->reta_idx)[i] = rss_queue_arr[j]; + if (++j == rss_queue_n) j = 0; } - return 0; + mlx5_free(rss_queue_arr); + return ret; } /** - * DPDK callback for Ethernet device configuration. + * Sets default tuning parameters. * * @param dev - * Pointer to Ethernet device structure. - * - * @return - * 0 on success, negative errno value on failure. + * Pointer to Ethernet device. + * @param[out] info + * Info structure output buffer. */ -int -mlx5_dev_configure(struct rte_eth_dev *dev) -{ - struct priv *priv = dev->data->dev_private; - int ret; +static void +mlx5_set_default_params(struct rte_eth_dev *dev, struct rte_eth_dev_info *info) +{ + struct mlx5_priv *priv = dev->data->dev_private; + + /* Minimum CPU utilization. */ + info->default_rxportconf.ring_size = 256; + info->default_txportconf.ring_size = 256; + info->default_rxportconf.burst_size = MLX5_RX_DEFAULT_BURST; + info->default_txportconf.burst_size = MLX5_TX_DEFAULT_BURST; + if ((priv->link_speed_capa & ETH_LINK_SPEED_200G) | + (priv->link_speed_capa & ETH_LINK_SPEED_100G)) { + info->default_rxportconf.nb_queues = 16; + info->default_txportconf.nb_queues = 16; + if (dev->data->nb_rx_queues > 2 || + dev->data->nb_tx_queues > 2) { + /* Max Throughput. */ + info->default_rxportconf.ring_size = 2048; + info->default_txportconf.ring_size = 2048; + } + } else { + info->default_rxportconf.nb_queues = 8; + info->default_txportconf.nb_queues = 8; + if (dev->data->nb_rx_queues > 2 || + dev->data->nb_tx_queues > 2) { + /* Max Throughput. */ + info->default_rxportconf.ring_size = 4096; + info->default_txportconf.ring_size = 4096; + } + } +} - priv_lock(priv); - ret = dev_configure(dev); - assert(ret >= 0); - priv_unlock(priv); - return -ret; +/** + * Sets tx mbuf limiting parameters. + * + * @param dev + * Pointer to Ethernet device. + * @param[out] info + * Info structure output buffer. + */ +static void +mlx5_set_txlimit_params(struct rte_eth_dev *dev, struct rte_eth_dev_info *info) +{ + struct mlx5_priv *priv = dev->data->dev_private; + struct mlx5_dev_config *config = &priv->config; + unsigned int inlen; + uint16_t nb_max; + + inlen = (config->txq_inline_max == MLX5_ARG_UNSET) ? + MLX5_SEND_DEF_INLINE_LEN : + (unsigned int)config->txq_inline_max; + MLX5_ASSERT(config->txq_inline_min >= 0); + inlen = RTE_MAX(inlen, (unsigned int)config->txq_inline_min); + inlen = RTE_MIN(inlen, MLX5_WQE_SIZE_MAX + + MLX5_ESEG_MIN_INLINE_SIZE - + MLX5_WQE_CSEG_SIZE - + MLX5_WQE_ESEG_SIZE - + MLX5_WQE_DSEG_SIZE * 2); + nb_max = (MLX5_WQE_SIZE_MAX + + MLX5_ESEG_MIN_INLINE_SIZE - + MLX5_WQE_CSEG_SIZE - + MLX5_WQE_ESEG_SIZE - + MLX5_WQE_DSEG_SIZE - + inlen) / MLX5_WSEG_SIZE; + info->tx_desc_lim.nb_seg_max = nb_max; + info->tx_desc_lim.nb_mtu_seg_max = nb_max; } /** @@ -637,62 +283,121 @@ mlx5_dev_configure(struct rte_eth_dev *dev) * @param[out] info * Info structure output buffer. */ -void +int mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info) { - struct priv *priv = dev->data->dev_private; + struct mlx5_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; + info->max_lro_pkt_size = MLX5_MAX_LRO_SIZE; /* * Since we need one CQ per QP, the limit is the minimum number * between the two values. */ - max = RTE_MIN(priv->device_attr.orig_attr.max_cq, - priv->device_attr.orig_attr.max_qp); - /* If max >= 65535 then max = 0, max_rx_queues is uint16_t. */ - if (max >= 65535) - max = 65535; + max = RTE_MIN(priv->sh->device_attr.max_cq, + priv->sh->device_attr.max_qp); + /* max_rx_queues is uint16_t. */ + max = RTE_MIN(max, (unsigned int)UINT16_MAX); 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->if_index = if_nametoindex(ifname); + info->max_mac_addrs = MLX5_MAX_UC_MAC_ADDRESSES; + 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); + info->if_index = mlx5_ifindex(dev); info->reta_size = priv->reta_idx_n ? - priv->reta_idx_n : priv->ind_table_max_size; - info->hash_key_size = priv->rss_conf.rss_key_len; + priv->reta_idx_n : config->ind_table_max_size; + info->hash_key_size = MLX5_RSS_HASH_KEY_LEN; info->speed_capa = priv->link_speed_capa; - priv_unlock(priv); + info->flow_type_rss_offloads = ~MLX5_RSS_HF_MASK; + mlx5_set_default_params(dev, info); + mlx5_set_txlimit_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) { + uint16_t port_id; + + if (priv->pf_bond >= 0) { + /* + * Switch port ID is opaque value with driver defined + * format. Push the PF index in bonding configurations + * in upper four bits of port ID. If we get too many + * representors (more than 4K) or PFs (more than 15) + * this approach must be reconsidered. + */ + if ((info->switch_info.port_id >> + MLX5_PORT_ID_BONDING_PF_SHIFT) || + priv->pf_bond > MLX5_PORT_ID_BONDING_PF_MASK) { + DRV_LOG(ERR, "can't update switch port ID" + " for bonding device"); + MLX5_ASSERT(false); + return -ENODEV; + } + info->switch_info.port_id |= + priv->pf_bond << MLX5_PORT_ID_BONDING_PF_SHIFT; + } + MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) { + struct mlx5_priv *opriv = + rte_eth_devices[port_id].data->dev_private; + + if (!opriv || + opriv->representor || + opriv->sh != priv->sh || + 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; + } + } + return 0; } +/** + * Get firmware version of a device. + * + * @param dev + * Ethernet device port. + * @param fw_ver + * String output allocated by caller. + * @param fw_size + * Size of the output string, including terminating null byte. + * + * @return + * 0 on success, or the size of the non truncated string if too big. + */ +int +mlx5_fw_version_get(struct rte_eth_dev *dev, char *fw_ver, size_t fw_size) +{ + struct mlx5_priv *priv = dev->data->dev_private; + struct mlx5_dev_attr *attr = &priv->sh->device_attr; + size_t size = strnlen(attr->fw_ver, sizeof(attr->fw_ver)) + 1; + + if (fw_size < size) + return size; + if (fw_ver != NULL) + strlcpy(fw_ver, attr->fw_ver, fw_size); + return 0; +} + +/** + * 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) { @@ -715,195 +420,12 @@ 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; } -/** - * DPDK callback to retrieve physical link information. - * - * @param dev - * Pointer to Ethernet device structure. - * @param wait_to_complete - * Wait for request completion (ignored). - */ -static int -mlx5_link_update_unlocked_gset(struct rte_eth_dev *dev, int wait_to_complete) -{ - struct priv *priv = dev->data->dev_private; - struct ethtool_cmd edata = { - .cmd = ETHTOOL_GSET /* Deprecated since Linux v4.5. */ - }; - struct ifreq ifr; - struct rte_eth_link dev_link; - int link_speed = 0; - - /* 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; - } - 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; - } - link_speed = ethtool_cmd_speed(&edata); - if (link_speed == -1) - dev_link.link_speed = 0; - else - dev_link.link_speed = link_speed; - priv->link_speed_capa = 0; - if (edata.supported & SUPPORTED_Autoneg) - priv->link_speed_capa |= ETH_LINK_SPEED_AUTONEG; - if (edata.supported & (SUPPORTED_1000baseT_Full | - SUPPORTED_1000baseKX_Full)) - priv->link_speed_capa |= ETH_LINK_SPEED_1G; - if (edata.supported & SUPPORTED_10000baseKR_Full) - priv->link_speed_capa |= ETH_LINK_SPEED_10G; - if (edata.supported & (SUPPORTED_40000baseKR4_Full | - SUPPORTED_40000baseCR4_Full | - SUPPORTED_40000baseSR4_Full | - SUPPORTED_40000baseLR4_Full)) - priv->link_speed_capa |= ETH_LINK_SPEED_40G; - dev_link.link_duplex = ((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); - if (memcmp(&dev_link, &dev->data->dev_link, sizeof(dev_link))) { - /* Link status changed. */ - dev->data->dev_link = dev_link; - return 0; - } - /* Link status is still the same. */ - return -1; -} - -/** - * Retrieve physical link information (unlocked version using new ioctl). - * - * @param dev - * Pointer to Ethernet device structure. - * @param wait_to_complete - * Wait for request completion (ignored). - */ -static int -mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete) -{ - 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; - - (void)wait_to_complete; - if (priv_ifreq(priv, SIOCGIFFLAGS, &ifr)) { - WARN("ioctl(SIOCGIFFLAGS) failed: %s", strerror(errno)); - return -1; - } - 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; - } - gcmd.link_mode_masks_nwords = -gcmd.link_mode_masks_nwords; - - alignas(struct ethtool_link_settings) - uint8_t data[offsetof(struct ethtool_link_settings, link_mode_masks) + - sizeof(uint32_t) * gcmd.link_mode_masks_nwords * 3]; - struct ethtool_link_settings *ecmd = (void *)data; - - *ecmd = gcmd; - ifr.ifr_data = (void *)ecmd; - if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) { - DEBUG("ioctl(SIOCETHTOOL, ETHTOOL_GLINKSETTINGS) failed: %s", - strerror(errno)); - return -1; - } - dev_link.link_speed = ecmd->speed; - sc = ecmd->link_mode_masks[0] | - ((uint64_t)ecmd->link_mode_masks[1] << 32); - priv->link_speed_capa = 0; - if (sc & MLX5_BITSHIFT(ETHTOOL_LINK_MODE_Autoneg_BIT)) - priv->link_speed_capa |= ETH_LINK_SPEED_AUTONEG; - if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_1000baseT_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT))) - priv->link_speed_capa |= ETH_LINK_SPEED_1G; - if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_10000baseR_FEC_BIT))) - priv->link_speed_capa |= ETH_LINK_SPEED_10G; - if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT))) - priv->link_speed_capa |= ETH_LINK_SPEED_20G; - if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT))) - priv->link_speed_capa |= ETH_LINK_SPEED_40G; - if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT))) - priv->link_speed_capa |= ETH_LINK_SPEED_56G; - if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_25000baseCR_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_25000baseKR_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_25000baseSR_Full_BIT))) - priv->link_speed_capa |= ETH_LINK_SPEED_25G; - if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT))) - priv->link_speed_capa |= ETH_LINK_SPEED_50G; - if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT) | - MLX5_BITSHIFT(ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT))) - priv->link_speed_capa |= ETH_LINK_SPEED_100G; - dev_link.link_duplex = ((ecmd->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); - if (memcmp(&dev_link, &dev->data->dev_link, sizeof(dev_link))) { - /* Link status changed. */ - dev->data->dev_link = dev_link; - return 0; - } - /* Link status is still the same. */ - return -1; -} - -/** - * DPDK callback to retrieve physical link information. - * - * @param dev - * Pointer to Ethernet device structure. - * @param wait_to_complete - * Wait for request completion (ignored). - */ -int -mlx5_link_update(struct rte_eth_dev *dev, int wait_to_complete) -{ - 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); -} - /** * DPDK callback to change the MTU. * @@ -913,524 +435,152 @@ 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; + struct mlx5_priv *priv = dev->data->dev_private; + 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); - } - 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; -} - -/** - * DPDK callback to get flow control status. - * - * @param dev - * Pointer to Ethernet device structure. - * @param[out] fc_conf - * Flow control output buffer. - * - * @return - * 0 on success, negative errno value on failure. - */ -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 - }; - 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; + DRV_LOG(DEBUG, "port %u adapter MTU set to %u", + dev->data->port_id, mtu); + return 0; } - - fc_conf->autoneg = ethpause.autoneg; - if (ethpause.rx_pause && ethpause.tx_pause) - fc_conf->mode = RTE_FC_FULL; - else if (ethpause.rx_pause) - fc_conf->mode = RTE_FC_RX_PAUSE; - else if (ethpause.tx_pause) - 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; + rte_errno = EAGAIN; + return -rte_errno; } /** - * DPDK callback to modify flow control parameters. + * Configure the RX function to use. * * @param dev - * Pointer to Ethernet device structure. - * @param[in] fc_conf - * Flow control parameters. - * - * @return - * 0 on success, negative errno value on failure. - */ -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 - }; - int ret; - - ifr.ifr_data = (void *)ðpause; - ethpause.autoneg = fc_conf->autoneg; - if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) || - (fc_conf->mode & RTE_FC_RX_PAUSE)) - ethpause.rx_pause = 1; - else - ethpause.rx_pause = 0; - - if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) || - (fc_conf->mode & RTE_FC_TX_PAUSE)) - 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 = 0; - -out: - priv_unlock(priv); - assert(ret >= 0); - return -ret; -} - -/** - * Get PCI information from struct ibv_device. - * - * @param device - * Pointer to Ethernet device structure. - * @param[out] pci_addr - * PCI bus address output buffer. - * - * @return - * 0 on success, -1 on failure and errno is set. - */ -int -mlx5_ibv_device_to_pci_addr(const struct ibv_device *device, - struct rte_pci_addr *pci_addr) -{ - FILE *file; - char line[32]; - MKSTR(path, "%s/device/uevent", device->ibdev_path); - - file = fopen(path, "rb"); - if (file == NULL) - return -1; - while (fgets(line, sizeof(line), file) == line) { - size_t len = strlen(line); - int ret; - - /* Truncate long lines. */ - if (len == (sizeof(line) - 1)) - while (line[(len - 1)] != '\n') { - ret = fgetc(file); - if (ret == EOF) - break; - line[(len - 1)] = ret; - } - /* Extract information. */ - if (sscanf(line, - "PCI_SLOT_NAME=" - "%" SCNx32 ":%" SCNx8 ":%" SCNx8 ".%" SCNx8 "\n", - &pci_addr->domain, - &pci_addr->bus, - &pci_addr->devid, - &pci_addr->function) == 4) { - ret = 0; - break; - } - } - fclose(file); - return 0; -} - -/** - * Update the link status. - * - * @param priv - * Pointer to private structure. + * Pointer to private data structure. * * @return - * Zero if the callback process can be called immediately. + * Pointer to selected Rx burst function. */ -static int -priv_link_status_update(struct priv *priv) +eth_rx_burst_t +mlx5_select_rx_function(struct rte_eth_dev *dev) { - struct rte_eth_link *link = &priv->dev->data->dev_link; + eth_rx_burst_t rx_pkt_burst = mlx5_rx_burst; - mlx5_link_update(priv->dev, 0); - if (((link->link_speed == 0) && link->link_status) || - ((link->link_speed != 0) && !link->link_status)) { - /* - * Inconsistent status. Event likely occurred before the - * kernel netdevice exposes the new status. - */ - if (!priv->pending_alarm) { - priv->pending_alarm = 1; - rte_eal_alarm_set(MLX5_ALARM_TIMEOUT_US, - mlx5_dev_link_status_handler, - priv->dev); - } - return 1; - } else if (unlikely(priv->pending_alarm)) { - /* Link interrupt occurred while alarm is already scheduled. */ - priv->pending_alarm = 0; - rte_eal_alarm_cancel(mlx5_dev_link_status_handler, priv->dev); + MLX5_ASSERT(dev != NULL); + if (mlx5_check_vec_rx_support(dev) > 0) { + 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 0; + return rx_pkt_burst; } /** - * Device status handler. + * Get the E-Switch parameters by port id. * - * @param priv - * Pointer to private structure. - * @param events - * Pointer to event flags holder. + * @param[in] port + * Device port id. + * @param[in] valid + * Device port id is valid, skip check. This flag is useful + * when trials are performed from probing and device is not + * flagged as valid yet (in attaching process). + * @param[out] es_domain_id + * E-Switch domain id. + * @param[out] es_port_id + * The port id of the port in the E-Switch. * * @return - * Events bitmap of callback process which can be called immediately. - */ -static uint32_t -priv_dev_status_handler(struct priv *priv) -{ - struct ibv_async_event event; - uint32_t ret = 0; - - /* Read all message and acknowledge them. */ - for (;;) { - if (ibv_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)) - 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) - 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); - } - if (ret & (1 << RTE_ETH_EVENT_INTR_LSC)) - if (priv_link_status_update(priv)) - ret &= ~(1 << RTE_ETH_EVENT_INTR_LSC); - return ret; -} - -/** - * Handle delayed link status event. - * - * @param arg - * Registered argument. - */ -void -mlx5_dev_link_status_handler(void *arg) -{ - struct rte_eth_dev *dev = 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); - if (!ret) - _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL, - NULL); -} - -/** - * Handle interrupts from the NIC. - * - * @param[in] intr_handle - * Interrupt handler. - * @param cb_arg - * Callback argument. - */ -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); - if (events & (1 << RTE_ETH_EVENT_INTR_LSC)) - _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL, - NULL); - if (events & (1 << RTE_ETH_EVENT_INTR_RMV)) - _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RMV, NULL, - NULL); -} - -/** - * Handle interrupts from the socket. - * - * @param cb_arg - * Callback argument. - */ -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); -} - -/** - * Uninstall interrupt handler. - * - * @param priv - * Pointer to private structure. - * @param dev - * Pointer to the rte_eth_dev structure. + * pointer to device private data structure containing data needed + * on success, NULL otherwise and rte_errno is set. */ -void -priv_dev_interrupt_handler_uninstall(struct priv *priv, struct rte_eth_dev *dev) +struct mlx5_priv * +mlx5_port_to_eswitch_info(uint16_t port, bool valid) { - if (dev->data->dev_conf.intr_conf.lsc || - dev->data->dev_conf.intr_conf.rmv) - rte_intr_callback_unregister(&priv->intr_handle, - mlx5_dev_interrupt_handler, dev); - if (priv->primary_socket) - rte_intr_callback_unregister(&priv->intr_handle_socket, - mlx5_dev_handler_socket, dev); - if (priv->pending_alarm) - 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; - priv->intr_handle_socket.type = RTE_INTR_HANDLE_UNKNOWN; -} + struct rte_eth_dev *dev; + struct mlx5_priv *priv; -/** - * Install interrupt handler. - * - * @param priv - * Pointer to private structure. - * @param dev - * Pointer to the rte_eth_dev structure. - */ -void -priv_dev_interrupt_handler_install(struct priv *priv, struct rte_eth_dev *dev) -{ - int rc, 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"); - dev->data->dev_conf.intr_conf.lsc = 0; - dev->data->dev_conf.intr_conf.rmv = 0; + if (port >= RTE_MAX_ETHPORTS) { + rte_errno = EINVAL; + return NULL; } - if (dev->data->dev_conf.intr_conf.lsc || - dev->data->dev_conf.intr_conf.rmv) { - priv->intr_handle.fd = priv->ctx->async_fd; - priv->intr_handle.type = RTE_INTR_HANDLE_EXT; - rte_intr_callback_register(&priv->intr_handle, - mlx5_dev_interrupt_handler, dev); + if (!valid && !rte_eth_dev_is_valid_port(port)) { + rte_errno = ENODEV; + return NULL; } - - rc = priv_socket_init(priv); - if (!rc && 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, - mlx5_dev_handler_socket, dev); + dev = &rte_eth_devices[port]; + priv = dev->data->dev_private; + if (!(priv->representor || priv->master)) { + rte_errno = EINVAL; + return NULL; } + return priv; } /** - * Change the link state (UP / DOWN). + * Get the E-Switch parameters by device instance. * - * @param priv - * Pointer to private data structure. - * @param dev - * Pointer to rte_eth_dev structure. - * @param up - * Nonzero for link up, otherwise link down. + * @param[in] port + * Device port id. + * @param[out] es_domain_id + * E-Switch domain id. + * @param[out] es_port_id + * The port id of the port in the E-Switch. * * @return - * 0 on success, errno value on failure. + * pointer to device private data structure containing data needed + * on success, NULL otherwise and rte_errno is set. */ -static int -priv_dev_set_link(struct priv *priv, struct rte_eth_dev *dev, int up) +struct mlx5_priv * +mlx5_dev_to_eswitch_info(struct rte_eth_dev *dev) { - int err; + struct mlx5_priv *priv; - if (up) { - err = priv_set_flags(priv, ~IFF_UP, IFF_UP); - if (err) - return err; - priv_dev_select_tx_function(priv, dev); - priv_dev_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; + priv = dev->data->dev_private; + if (!(priv->representor || priv->master)) { + rte_errno = EINVAL; + return NULL; } - return 0; + return priv; } /** - * DPDK callback to bring the link DOWN. + * DPDK callback to retrieve hairpin capabilities. * * @param dev * Pointer to Ethernet device structure. + * @param[out] cap + * Storage for hairpin capability data. * * @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) +mlx5_hairpin_cap_get(struct rte_eth_dev *dev, + struct rte_eth_hairpin_cap *cap) { - struct priv *priv = dev->data->dev_private; - int err; + struct mlx5_priv *priv = dev->data->dev_private; - priv_lock(priv); - err = priv_dev_set_link(priv, dev, 0); - priv_unlock(priv); - return err; -} - -/** - * DPDK callback to bring the link UP. - * - * @param dev - * Pointer to Ethernet device structure. - * - * @return - * 0 on success, errno value on failure. - */ -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; -} - -/** - * Configure the TX function to use. - * - * @param priv - * Pointer to private data structure. - * @param dev - * Pointer to rte_eth_dev structure. - */ -void -priv_dev_select_tx_function(struct priv *priv, struct rte_eth_dev *dev) -{ - assert(priv != NULL); - assert(dev != NULL); - dev->tx_pkt_burst = mlx5_tx_burst; - /* 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) - dev->tx_pkt_burst = mlx5_tx_burst_raw_vec; - else - dev->tx_pkt_burst = mlx5_tx_burst_vec; - DEBUG("selected Enhanced MPW TX vectorized function"); - } else { - dev->tx_pkt_burst = mlx5_tx_burst_empw; - DEBUG("selected Enhanced MPW TX function"); - } - } else if (priv->mps && priv->txq_inline) { - dev->tx_pkt_burst = mlx5_tx_burst_mpw_inline; - DEBUG("selected MPW inline TX function"); - } else if (priv->mps) { - dev->tx_pkt_burst = mlx5_tx_burst_mpw; - DEBUG("selected MPW TX function"); - } -} - -/** - * Configure the RX function to use. - * - * @param priv - * Pointer to private data structure. - * @param dev - * Pointer to rte_eth_dev structure. - */ -void -priv_dev_select_rx_function(struct priv *priv, struct rte_eth_dev *dev) -{ - assert(priv != NULL); - assert(dev != NULL); - if (priv_check_vec_rx_support(priv) > 0) { - dev->rx_pkt_burst = mlx5_rx_burst_vec; - DEBUG("selected RX vectorized function"); - } else { - dev->rx_pkt_burst = mlx5_rx_burst; + if (priv->sh->devx == 0) { + rte_errno = ENOTSUP; + return -rte_errno; } + cap->max_nb_queues = UINT16_MAX; + cap->max_rx_2_tx = 1; + cap->max_tx_2_rx = 1; + cap->max_nb_desc = 8192; + return 0; }