From 07cae8ffabc18f492174b56a60e90e74cc48b313 Mon Sep 17 00:00:00 2001 From: Tal Shnaiderman Date: Mon, 28 Dec 2020 14:32:39 +0200 Subject: [PATCH] net/mlx5: support getting MTU on Windows This commit implements API mlx5_get_mtu(). It returns the MTU size as saved in the device context since its creation. Signed-off-by: Tal Shnaiderman Acked-by: Matan Azrad --- drivers/net/mlx5/windows/mlx5_ethdev_os.c | 27 +++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/net/mlx5/windows/mlx5_ethdev_os.c b/drivers/net/mlx5/windows/mlx5_ethdev_os.c index 1b68a7b6e8..614322b9f9 100644 --- a/drivers/net/mlx5/windows/mlx5_ethdev_os.c +++ b/drivers/net/mlx5/windows/mlx5_ethdev_os.c @@ -43,6 +43,33 @@ mlx5_get_mac(struct rte_eth_dev *dev, uint8_t (*mac)[RTE_ETHER_ADDR_LEN]) return 0; } +/** + * Get device MTU. + * + * @param dev + * Pointer to Ethernet device. + * @param[out] mtu + * MTU value output buffer. + * + * @return + * 0 on success, a negative errno value otherwise and rte_errno is set. + */ +int +mlx5_get_mtu(struct rte_eth_dev *dev, uint16_t *mtu) +{ + struct mlx5_priv *priv; + mlx5_context_st *context_obj; + + if (!dev) { + rte_errno = EINVAL; + return -rte_errno; + } + priv = dev->data->dev_private; + context_obj = (mlx5_context_st *)priv->sh->ctx; + *mtu = context_obj->mlx5_dev.mtu_bytes; + return 0; +} + /** * Set device MTU. * -- 2.20.1