diff options
author | Eran Ben Elisha <eranbe@mellanox.com> | 2018-12-02 15:34:36 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-17 11:28:46 +0300 |
commit | 583e170ce81654554243790ac2e340ebe2180d14 (patch) | |
tree | cb41cc435bc72bb0618d4e20df08b1325c8b46bf /drivers/net/ethernet/mellanox | |
parent | 76f67ede4df921f5e4f0c02129a6407c977cab57 (diff) | |
download | linux-583e170ce81654554243790ac2e340ebe2180d14.tar.xz |
net/mlx4_en: Change min MTU size to ETH_MIN_MTU
[ Upstream commit 24be19e47779d604d1492c114459dca9a92acf78 ]
NIC driver minimal MTU size shall be set to ETH_MIN_MTU, as defined in
the RFC791 and in the network stack. Remove old mlx4_en only define for
it, which was set to wrong value.
Fixes: b80f71f5816f ("ethernet/mellanox: use core min/max MTU checking")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 4 | ||||
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 1 |
2 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index faa4bd21f148..0fb85d71c11b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -3505,8 +3505,8 @@ 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; + /* MTU range: 68 - hw-specific max */ + dev->min_mtu = ETH_MIN_MTU; dev->max_mtu = priv->max_mtu; mdev->pndev[port] = dev; diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 09f4764a3f39..bdd87438a354 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -157,7 +157,6 @@ #define HEADER_COPY_SIZE (128 - NET_IP_ALIGN) #define MLX4_LOOPBACK_TEST_PAYLOAD (HEADER_COPY_SIZE - ETH_HLEN) -#define MLX4_EN_MIN_MTU 46 /* VLAN_HLEN is added twice,to support skb vlan tagged with multiple * headers. (For example: ETH_P_8021Q and ETH_P_8021AD). */ |