diff options
Diffstat (limited to 'drivers/net/mlx5/mlx5_rxmode.c')
-rw-r--r-- | drivers/net/mlx5/mlx5_rxmode.c | 383 |
1 files changed, 8 insertions, 375 deletions
diff --git a/drivers/net/mlx5/mlx5_rxmode.c b/drivers/net/mlx5/mlx5_rxmode.c index a67e5426..0ef2cdf0 100644 --- a/drivers/net/mlx5/mlx5_rxmode.c +++ b/drivers/net/mlx5/mlx5_rxmode.c @@ -45,343 +45,12 @@ #pragma GCC diagnostic error "-Wpedantic" #endif -/* DPDK headers don't like -pedantic. */ -#ifdef PEDANTIC -#pragma GCC diagnostic ignored "-Wpedantic" -#endif #include <rte_ethdev.h> -#ifdef PEDANTIC -#pragma GCC diagnostic error "-Wpedantic" -#endif #include "mlx5.h" #include "mlx5_rxtx.h" #include "mlx5_utils.h" -/* Initialization data for special flows. */ -static const struct special_flow_init special_flow_init[] = { - [HASH_RXQ_FLOW_TYPE_PROMISC] = { - .dst_mac_val = "\x00\x00\x00\x00\x00\x00", - .dst_mac_mask = "\x00\x00\x00\x00\x00\x00", - .hash_types = - 1 << HASH_RXQ_TCPV4 | - 1 << HASH_RXQ_UDPV4 | - 1 << HASH_RXQ_IPV4 | - 1 << HASH_RXQ_TCPV6 | - 1 << HASH_RXQ_UDPV6 | - 1 << HASH_RXQ_IPV6 | - 1 << HASH_RXQ_ETH | - 0, - .per_vlan = 0, - }, - [HASH_RXQ_FLOW_TYPE_ALLMULTI] = { - .dst_mac_val = "\x01\x00\x00\x00\x00\x00", - .dst_mac_mask = "\x01\x00\x00\x00\x00\x00", - .hash_types = - 1 << HASH_RXQ_UDPV4 | - 1 << HASH_RXQ_IPV4 | - 1 << HASH_RXQ_UDPV6 | - 1 << HASH_RXQ_IPV6 | - 1 << HASH_RXQ_ETH | - 0, - .per_vlan = 0, - }, - [HASH_RXQ_FLOW_TYPE_BROADCAST] = { - .dst_mac_val = "\xff\xff\xff\xff\xff\xff", - .dst_mac_mask = "\xff\xff\xff\xff\xff\xff", - .hash_types = - 1 << HASH_RXQ_UDPV4 | - 1 << HASH_RXQ_IPV4 | - 1 << HASH_RXQ_UDPV6 | - 1 << HASH_RXQ_IPV6 | - 1 << HASH_RXQ_ETH | - 0, - .per_vlan = 1, - }, - [HASH_RXQ_FLOW_TYPE_IPV6MULTI] = { - .dst_mac_val = "\x33\x33\x00\x00\x00\x00", - .dst_mac_mask = "\xff\xff\x00\x00\x00\x00", - .hash_types = - 1 << HASH_RXQ_UDPV6 | - 1 << HASH_RXQ_IPV6 | - 1 << HASH_RXQ_ETH | - 0, - .per_vlan = 1, - }, -}; - -/** - * Enable a special flow in a hash RX queue for a given VLAN index. - * - * @param hash_rxq - * Pointer to hash RX queue structure. - * @param flow_type - * Special flow type. - * @param vlan_index - * VLAN index to use. - * - * @return - * 0 on success, errno value on failure. - */ -static int -hash_rxq_special_flow_enable_vlan(struct hash_rxq *hash_rxq, - enum hash_rxq_flow_type flow_type, - unsigned int vlan_index) -{ - struct priv *priv = hash_rxq->priv; - struct ibv_exp_flow *flow; - FLOW_ATTR_SPEC_ETH(data, priv_flow_attr(priv, NULL, 0, hash_rxq->type)); - struct ibv_exp_flow_attr *attr = &data->attr; - struct ibv_exp_flow_spec_eth *spec = &data->spec; - const uint8_t *mac; - const uint8_t *mask; - unsigned int vlan_enabled = (priv->vlan_filter_n && - special_flow_init[flow_type].per_vlan); - unsigned int vlan_id = priv->vlan_filter[vlan_index]; - - /* Check if flow is relevant for this hash_rxq. */ - if (!(special_flow_init[flow_type].hash_types & (1 << hash_rxq->type))) - return 0; - /* Check if flow already exists. */ - if (hash_rxq->special_flow[flow_type][vlan_index] != NULL) - return 0; - - /* - * No padding must be inserted by the compiler between attr and spec. - * This layout is expected by libibverbs. - */ - assert(((uint8_t *)attr + sizeof(*attr)) == (uint8_t *)spec); - priv_flow_attr(priv, attr, sizeof(data), hash_rxq->type); - /* The first specification must be Ethernet. */ - assert(spec->type == IBV_EXP_FLOW_SPEC_ETH); - assert(spec->size == sizeof(*spec)); - - mac = special_flow_init[flow_type].dst_mac_val; - mask = special_flow_init[flow_type].dst_mac_mask; - *spec = (struct ibv_exp_flow_spec_eth){ - .type = IBV_EXP_FLOW_SPEC_ETH, - .size = sizeof(*spec), - .val = { - .dst_mac = { - mac[0], mac[1], mac[2], - mac[3], mac[4], mac[5], - }, - .vlan_tag = (vlan_enabled ? htons(vlan_id) : 0), - }, - .mask = { - .dst_mac = { - mask[0], mask[1], mask[2], - mask[3], mask[4], mask[5], - }, - .vlan_tag = (vlan_enabled ? htons(0xfff) : 0), - }, - }; - - errno = 0; - flow = ibv_exp_create_flow(hash_rxq->qp, attr); - if (flow == NULL) { - /* It's not clear whether errno is always set in this case. */ - ERROR("%p: flow configuration failed, errno=%d: %s", - (void *)hash_rxq, errno, - (errno ? strerror(errno) : "Unknown error")); - if (errno) - return errno; - return EINVAL; - } - hash_rxq->special_flow[flow_type][vlan_index] = flow; - DEBUG("%p: special flow %s (index %d) VLAN %u (index %u) enabled", - (void *)hash_rxq, hash_rxq_flow_type_str(flow_type), flow_type, - vlan_id, vlan_index); - return 0; -} - -/** - * Disable a special flow in a hash RX queue for a given VLAN index. - * - * @param hash_rxq - * Pointer to hash RX queue structure. - * @param flow_type - * Special flow type. - * @param vlan_index - * VLAN index to use. - */ -static void -hash_rxq_special_flow_disable_vlan(struct hash_rxq *hash_rxq, - enum hash_rxq_flow_type flow_type, - unsigned int vlan_index) -{ - struct ibv_exp_flow *flow = - hash_rxq->special_flow[flow_type][vlan_index]; - - if (flow == NULL) - return; - claim_zero(ibv_exp_destroy_flow(flow)); - hash_rxq->special_flow[flow_type][vlan_index] = NULL; - DEBUG("%p: special flow %s (index %d) VLAN %u (index %u) disabled", - (void *)hash_rxq, hash_rxq_flow_type_str(flow_type), flow_type, - hash_rxq->priv->vlan_filter[vlan_index], vlan_index); -} - -/** - * Enable a special flow in a hash RX queue. - * - * @param hash_rxq - * Pointer to hash RX queue structure. - * @param flow_type - * Special flow type. - * @param vlan_index - * VLAN index to use. - * - * @return - * 0 on success, errno value on failure. - */ -static int -hash_rxq_special_flow_enable(struct hash_rxq *hash_rxq, - enum hash_rxq_flow_type flow_type) -{ - struct priv *priv = hash_rxq->priv; - unsigned int i = 0; - int ret; - - assert((unsigned int)flow_type < RTE_DIM(hash_rxq->special_flow)); - assert(RTE_DIM(hash_rxq->special_flow[flow_type]) == - RTE_DIM(priv->vlan_filter)); - /* Add a special flow for each VLAN filter when relevant. */ - do { - ret = hash_rxq_special_flow_enable_vlan(hash_rxq, flow_type, i); - if (ret) { - /* Failure, rollback. */ - while (i != 0) - hash_rxq_special_flow_disable_vlan(hash_rxq, - flow_type, - --i); - return ret; - } - } while (special_flow_init[flow_type].per_vlan && - ++i < priv->vlan_filter_n); - return 0; -} - -/** - * Disable a special flow in a hash RX queue. - * - * @param hash_rxq - * Pointer to hash RX queue structure. - * @param flow_type - * Special flow type. - */ -static void -hash_rxq_special_flow_disable(struct hash_rxq *hash_rxq, - enum hash_rxq_flow_type flow_type) -{ - unsigned int i; - - assert((unsigned int)flow_type < RTE_DIM(hash_rxq->special_flow)); - for (i = 0; (i != RTE_DIM(hash_rxq->special_flow[flow_type])); ++i) - hash_rxq_special_flow_disable_vlan(hash_rxq, flow_type, i); -} - -/** - * Enable a special flow in all hash RX queues. - * - * @param priv - * Private structure. - * @param flow_type - * Special flow type. - * - * @return - * 0 on success, errno value on failure. - */ -int -priv_special_flow_enable(struct priv *priv, enum hash_rxq_flow_type flow_type) -{ - unsigned int i; - - if (!priv_allow_flow_type(priv, flow_type)) - return 0; - for (i = 0; (i != priv->hash_rxqs_n); ++i) { - struct hash_rxq *hash_rxq = &(*priv->hash_rxqs)[i]; - int ret; - - ret = hash_rxq_special_flow_enable(hash_rxq, flow_type); - if (!ret) - continue; - /* Failure, rollback. */ - while (i != 0) { - hash_rxq = &(*priv->hash_rxqs)[--i]; - hash_rxq_special_flow_disable(hash_rxq, flow_type); - } - return ret; - } - return 0; -} - -/** - * Disable a special flow in all hash RX queues. - * - * @param priv - * Private structure. - * @param flow_type - * Special flow type. - */ -void -priv_special_flow_disable(struct priv *priv, enum hash_rxq_flow_type flow_type) -{ - unsigned int i; - - for (i = 0; (i != priv->hash_rxqs_n); ++i) { - struct hash_rxq *hash_rxq = &(*priv->hash_rxqs)[i]; - - hash_rxq_special_flow_disable(hash_rxq, flow_type); - } -} - -/** - * Enable all special flows in all hash RX queues. - * - * @param priv - * Private structure. - */ -int -priv_special_flow_enable_all(struct priv *priv) -{ - enum hash_rxq_flow_type flow_type; - - if (priv->isolated) - return 0; - for (flow_type = HASH_RXQ_FLOW_TYPE_PROMISC; - flow_type != HASH_RXQ_FLOW_TYPE_MAC; - ++flow_type) { - int ret; - - ret = priv_special_flow_enable(priv, flow_type); - if (!ret) - continue; - /* Failure, rollback. */ - while (flow_type) - priv_special_flow_disable(priv, --flow_type); - return ret; - } - return 0; -} - -/** - * Disable all special flows in all hash RX queues. - * - * @param priv - * Private structure. - */ -void -priv_special_flow_disable_all(struct priv *priv) -{ - enum hash_rxq_flow_type flow_type; - - for (flow_type = HASH_RXQ_FLOW_TYPE_PROMISC; - flow_type != HASH_RXQ_FLOW_TYPE_MAC; - ++flow_type) - priv_special_flow_disable(priv, flow_type); -} - /** * DPDK callback to enable promiscuous mode. * @@ -391,19 +60,10 @@ priv_special_flow_disable_all(struct priv *priv) void mlx5_promiscuous_enable(struct rte_eth_dev *dev) { - struct priv *priv = dev->data->dev_private; - int ret; - if (mlx5_is_secondary()) return; - - priv_lock(priv); - priv->promisc_req = 1; - ret = priv_rehash_flows(priv); - if (ret) - ERROR("error while enabling promiscuous mode: %s", - strerror(ret)); - priv_unlock(priv); + dev->data->promiscuous = 1; + mlx5_traffic_restart(dev); } /** @@ -415,19 +75,10 @@ mlx5_promiscuous_enable(struct rte_eth_dev *dev) void mlx5_promiscuous_disable(struct rte_eth_dev *dev) { - struct priv *priv = dev->data->dev_private; - int ret; - if (mlx5_is_secondary()) return; - - priv_lock(priv); - priv->promisc_req = 0; - ret = priv_rehash_flows(priv); - if (ret) - ERROR("error while disabling promiscuous mode: %s", - strerror(ret)); - priv_unlock(priv); + dev->data->promiscuous = 0; + mlx5_traffic_restart(dev); } /** @@ -439,19 +90,10 @@ mlx5_promiscuous_disable(struct rte_eth_dev *dev) void mlx5_allmulticast_enable(struct rte_eth_dev *dev) { - struct priv *priv = dev->data->dev_private; - int ret; - if (mlx5_is_secondary()) return; - - priv_lock(priv); - priv->allmulti_req = 1; - ret = priv_rehash_flows(priv); - if (ret) - ERROR("error while enabling allmulticast mode: %s", - strerror(ret)); - priv_unlock(priv); + dev->data->all_multicast = 1; + mlx5_traffic_restart(dev); } /** @@ -463,17 +105,8 @@ mlx5_allmulticast_enable(struct rte_eth_dev *dev) void mlx5_allmulticast_disable(struct rte_eth_dev *dev) { - struct priv *priv = dev->data->dev_private; - int ret; - if (mlx5_is_secondary()) return; - - priv_lock(priv); - priv->allmulti_req = 0; - ret = priv_rehash_flows(priv); - if (ret) - ERROR("error while disabling allmulticast mode: %s", - strerror(ret)); - priv_unlock(priv); + dev->data->all_multicast = 0; + mlx5_traffic_restart(dev); } |