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net/mlx5: get hairpin capabilities

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This commits adds the hairpin get capabilities function.

Signed-off-by: Ori Kam <orika@mellanox.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
This commit is contained in:
Ori Kam 2019-10-30 23:53:16 +00:00 committed by Ferruh Yigit
parent ae18a1ae96
commit b6b3bf86bd
4 changed files with 32 additions and 1 deletions
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1
doc/guides/rel_notes/release_19_11.rst
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@ -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.**

2
drivers/net/mlx5/mlx5.c
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@ -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,
};
/**

3
drivers/net/mlx5/mlx5.h
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@ -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]);

27
drivers/net/mlx5/mlx5_ethdev.c
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@ -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;
}