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authorEran Ben Elisha <eranbe@mellanox.com>2018-12-02 14:34:36 +0200
committerDavid S. Miller <davem@davemloft.net>2018-12-03 16:16:22 -0800
commit24be19e47779d604d1492c114459dca9a92acf78 (patch)
tree3c59c7974f7b84a50b47927df7f5b3f8488ac831 /drivers/net/ethernet/mellanox/mlx4
parentbf29e9e9b6d2f09cdbf39b48d028f0b49e944f85 (diff)
net/mlx4_en: Change min MTU size to ETH_MIN_MTU
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>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_netdev.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/mlx4_en.h1
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 b744cd49a785..6b88881b8e35 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -3493,8 +3493,8 @@ 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 485d856546c6..8137454e2534 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -161,7 +161,6 @@
#define MLX4_SELFTEST_LB_MIN_MTU (MLX4_LOOPBACK_TEST_PAYLOAD + NET_IP_ALIGN + \
ETH_HLEN + PREAMBLE_LEN)
-#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).
*/