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net/mlx5: support UDP tunnel adding

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This adds support for adding a new UDP tunnel port
on a specific VXLAN types.

Currently we only support VXLAN, VXLAN-GPE on ports
4789, 4790 respectively. Without having to configure
anything in the NIC.

Signed-off-by: Raslan Darawsheh <rasland@mellanox.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
This commit is contained in:
Raslan Darawsheh 2019-08-22 10:15:52 +00:00 committed by Ferruh Yigit
parent eb0819f565
commit c9ba7523c4
2 changed files with 28 additions and 0 deletions
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26
drivers/net/mlx5/mlx5.c
View File

@ -744,6 +744,31 @@ mlx5_free_verbs_buf(void *ptr, void *data __rte_unused)
rte_free(ptr);
}
/**
* DPDK callback to add udp tunnel port
*
* @param[in] dev
* A pointer to eth_dev
* @param[in] udp_tunnel
* A pointer to udp tunnel
*
* @return
* 0 on valid udp ports and tunnels, -ENOTSUP otherwise.
*/
int
mlx5_udp_tunnel_port_add(struct rte_eth_dev *dev __rte_unused,
struct rte_eth_udp_tunnel *udp_tunnel)
{
assert(udp_tunnel != NULL);
if (udp_tunnel->prot_type == RTE_TUNNEL_TYPE_VXLAN &&
udp_tunnel->udp_port == 4789)
return 0;
if (udp_tunnel->prot_type == RTE_TUNNEL_TYPE_VXLAN_GPE &&
udp_tunnel->udp_port == 4790)
return 0;
return -ENOTSUP;
}
/**
* Initialize process private data structure.
*
@ -962,6 +987,7 @@ const struct eth_dev_ops mlx5_dev_ops = {
.rx_queue_intr_enable = mlx5_rx_intr_enable,
.rx_queue_intr_disable = mlx5_rx_intr_disable,
.is_removed = mlx5_is_removed,
.udp_tunnel_port_add = mlx5_udp_tunnel_port_add,
};
/* Available operations from secondary process. */

2
drivers/net/mlx5/mlx5.h
View File

@ -674,6 +674,8 @@ int64_t mlx5_get_dbr(struct rte_eth_dev *dev,
struct mlx5_devx_dbr_page **dbr_page);
int32_t mlx5_release_dbr(struct rte_eth_dev *dev, uint32_t umem_id,
uint64_t offset);
int mlx5_udp_tunnel_port_add(struct rte_eth_dev *dev,
struct rte_eth_udp_tunnel *udp_tunnel);
/* mlx5_ethdev.c */