diff options
| author |   Eugenia Emantayev <eugenia@mellanox.com> | 2017-12-13 18:12:09 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-12-13 16:38:36 -0500 |
| commit | 78034f5fdd622520eb843301cf35ce6c626543a7 (patch) | |
| tree | ca1fc1615aa51719a504c392267f8996d81cde1f /drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | |
| parent | net: phy: marvell: avoid configuring fiber page for SGMII-to-Copper (diff) | |
| download | linux-dev-78034f5fdd622520eb843301cf35ce6c626543a7.tar.xz linux-dev-78034f5fdd622520eb843301cf35ce6c626543a7.zip | |
net/mlx4_en: Fix selftest for small MTUs
Set the minimal MTU threshold for running loopback selftest.
MTU should be big enough to include packet payload, NET_IP_ALIGN,
Ethernet headers and preamble length.
Fixes: e7c1c2c46201 ("mlx4_en: Added self diagnostics test implementation")
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 1856e279a7e0..2b72677eccd4 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -153,6 +153,9 @@ #define SMALL_PACKET_SIZE (256 - NET_IP_ALIGN) #define HEADER_COPY_SIZE (128 - NET_IP_ALIGN) #define MLX4_LOOPBACK_TEST_PAYLOAD (HEADER_COPY_SIZE - ETH_HLEN) +#define PREAMBLE_LEN 8 +#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 |