From: Ori Kam Date: Wed, 30 Oct 2019 23:53:16 +0000 (+0000) Subject: net/mlx5: get hairpin capabilities X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=b6b3bf86bd1a300c808928237a58b79db85932f7;p=dpdk.git net/mlx5: get hairpin capabilities This commits adds the hairpin get capabilities function. Signed-off-by: Ori Kam Acked-by: Viacheslav Ovsiienko --- diff --git a/doc/guides/rel_notes/release_19_11.rst b/doc/guides/rel_notes/release_19_11.rst index ccbdca1c5e..b08dbed7ee 100644 --- a/doc/guides/rel_notes/release_19_11.rst +++ b/doc/guides/rel_notes/release_19_11.rst @@ -166,6 +166,7 @@ New Features * Added support for VLAN set PCP offload command. * Added support for VLAN set VID offload command. * Added support for matching on packets withe Geneve tunnel header. + * Added hairpin support. * **Updated the AF_XDP PMD.** diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c index 8e7ff1dbae..e72e9ebf35 100644 --- a/drivers/net/mlx5/mlx5.c +++ b/drivers/net/mlx5/mlx5.c @@ -1039,6 +1039,7 @@ const struct eth_dev_ops mlx5_dev_ops = { .udp_tunnel_port_add = mlx5_udp_tunnel_port_add, .get_module_info = mlx5_get_module_info, .get_module_eeprom = mlx5_get_module_eeprom, + .hairpin_cap_get = mlx5_hairpin_cap_get, }; /* Available operations from secondary process. */ @@ -1101,6 +1102,7 @@ const struct eth_dev_ops mlx5_dev_ops_isolate = { .is_removed = mlx5_is_removed, .get_module_info = mlx5_get_module_info, .get_module_eeprom = mlx5_get_module_eeprom, + .hairpin_cap_get = mlx5_hairpin_cap_get, }; /** diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h index 566bf2dd8a..742bedd692 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -789,7 +789,8 @@ int mlx5_get_module_info(struct rte_eth_dev *dev, struct rte_eth_dev_module_info *modinfo); int mlx5_get_module_eeprom(struct rte_eth_dev *dev, struct rte_dev_eeprom_info *info); - +int mlx5_hairpin_cap_get(struct rte_eth_dev *dev, + struct rte_eth_hairpin_cap *cap); /* mlx5_mac.c */ int mlx5_get_mac(struct rte_eth_dev *dev, uint8_t (*mac)[RTE_ETHER_ADDR_LEN]); diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c index 2278b24c01..fe1b4d41b4 100644 --- a/drivers/net/mlx5/mlx5_ethdev.c +++ b/drivers/net/mlx5/mlx5_ethdev.c @@ -2114,3 +2114,30 @@ int mlx5_get_module_eeprom(struct rte_eth_dev *dev, rte_free(eeprom); return ret; } + +/** + * 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, a negative errno value otherwise and rte_errno is set. + */ +int mlx5_hairpin_cap_get(struct rte_eth_dev *dev, + struct rte_eth_hairpin_cap *cap) +{ + struct mlx5_priv *priv = dev->data->dev_private; + + 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; +}