Function mlx4_mtu_set

dpdk/drivers/net/mlx4/mlx4_ethdev.c:223–234

* DPDK callback to change the MTU. * * @param priv * Pointer to Ethernet device structure. * @param mtu * MTU value to set. * * @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_set(struct rte_eth_dev *dev, uint16_t mtu)
{
	struct mlx4_priv *priv = dev->data->dev_private;
	struct ifreq request = { .ifr_mtu = mtu, };
	int ret = mlx4_ifreq(priv, SIOCSIFMTU, &request);

	if (ret)
		return ret;
	priv->mtu = mtu;
	return 0;
}

/**
 * Set device flags.