diff options
| author | Jarod Wilson | 2016-10-17 21:54:07 +0200 |
|---|---|---|
| committer | David S. Miller | 2016-10-18 17:34:19 +0200 |
| commit | b80f71f5816fce2da8a0df22719f106c0a3d8dc7 (patch) | |
| tree | 88f3137e4bba06031bb940a894510a5b13f526b1 /drivers/net/ethernet/mellanox/mlx4 | |
| parent | ethernet/marvell: use core min/max MTU checking (diff) | |
| download | kernel-qcow2-linux-b80f71f5816fce2da8a0df22719f106c0a3d8dc7.tar.gz kernel-qcow2-linux-b80f71f5816fce2da8a0df22719f106c0a3d8dc7.tar.xz kernel-qcow2-linux-b80f71f5816fce2da8a0df22719f106c0a3d8dc7.zip | |
ethernet/mellanox: use core min/max MTU checking
mlx4: min_mtu 46, max_mtu depends on hardware
mlx5: min_mtu 68, max_mtu depends on hardware
CC: netdev@vger.kernel.org
CC: Tariq Toukan <tariqt@mellanox.com>
CC: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 7e703bed7b82..bf35ac4c1c61 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2205,10 +2205,6 @@ static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu) en_dbg(DRV, priv, "Change MTU called - current:%d new:%d\n", dev->mtu, new_mtu); - if ((new_mtu < MLX4_EN_MIN_MTU) || (new_mtu > priv->max_mtu)) { - en_err(priv, "Bad MTU size:%d.\n", new_mtu); - return -EPERM; - } if (priv->xdp_ring_num && MLX4_EN_EFF_MTU(new_mtu) > FRAG_SZ0) { en_err(priv, "MTU size:%d requires frags but XDP running\n", new_mtu); @@ -3288,6 +3284,10 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, dev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM; } + /* MTU range: 46 - hw-specific max */ + dev->min_mtu = MLX4_EN_MIN_MTU; + dev->max_mtu = priv->max_mtu; + mdev->pndev[port] = dev; mdev->upper[port] = NULL; |