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net/mlx5: support link update on Windows

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Add support for mlx5_link_update() to get link speed and link state.
Other parameters are currently hard-coded.

Signed-off-by: Tal Shnaiderman <talshn@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
This commit is contained in:
Tal Shnaiderman 2020-12-28 14:32:37 +02:00 committed by Ferruh Yigit
parent b653ce1dae
commit 6fbd73709e
1 changed files with 44 additions and 0 deletions
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44
drivers/net/mlx5/windows/mlx5_ethdev_os.c
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@ -170,6 +170,50 @@ mlx5_os_read_dev_counters(struct rte_eth_dev *dev, uint64_t *stats)
return -ENOTSUP;
}
/**
* DPDK callback to retrieve physical link information.
*
* @param dev
* Pointer to Ethernet device structure.
* @param wait_to_complete
* Wait for request completion.
*
* @return
* 0 if link status was not updated, positive if it was, a negative errno
* value otherwise and rte_errno is set.
*/
int
mlx5_link_update(struct rte_eth_dev *dev, int wait_to_complete)
{
RTE_SET_USED(wait_to_complete);
struct mlx5_priv *priv;
mlx5_context_st *context_obj;
struct rte_eth_link dev_link;
int ret;
ret = 0;
if (!dev) {
rte_errno = EINVAL;
return -rte_errno;
}
priv = dev->data->dev_private;
context_obj = (mlx5_context_st *)priv->sh->ctx;
dev_link.link_speed = context_obj->mlx5_dev.link_speed / (1024 * 1024);
dev_link.link_status =
(context_obj->mlx5_dev.link_state == 1 && !mlx5_is_removed(dev))
? 1 : 0;
dev_link.link_duplex = 1;
if (dev->data->dev_link.link_speed != dev_link.link_speed ||
dev->data->dev_link.link_duplex != dev_link.link_duplex ||
dev->data->dev_link.link_autoneg != dev_link.link_autoneg ||
dev->data->dev_link.link_status != dev_link.link_status)
ret = 1;
else
ret = 0;
dev->data->dev_link = dev_link;
return ret;
}
/**
* DPDK callback to bring the link DOWN.
*