Function mlx4_mtu_get

dpdk/drivers/net/mlx4/mlx4_ethdev.c:200–210

* Get device MTU. * * @param priv * Pointer to private structure. * @param[out] mtu * MTU value output buffer. * * @return * 0 on success, negative errno value otherwise and rte_errno is set. */

 *   0 on success, negative errno value otherwise and rte_errno is set.
 */
int
mlx4_mtu_get(struct mlx4_priv *priv, uint16_t *mtu)
{
	struct ifreq request;
	int ret = mlx4_ifreq(priv, SIOCGIFMTU, &request);

	if (ret)
		return ret;
	*mtu = request.ifr_mtu;
	return 0;
}

/**
 * DPDK callback to change the MTU.