diff options
| author | Eugenia Emantayev <eugenia@mellanox.co.il> | 2013-04-11 01:56:42 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-04-11 16:12:40 -0400 |
| commit | c59fec207bc73612c9a124539b99d186ad6d2a99 (patch) | |
| tree | 2f20d530371ea09279fd40e19e6976d562a74d87 /drivers/net/ethernet/mellanox/mlx4 | |
| parent | fab1e24ab84a0ca2f12599b5d4349576d9a3664f (diff) | |
net/mlx4_en: set correct MTU in SRIOV
When setting MTU in SRIOV mode add ETH, VLAN and FCS header length
to the maximum MTU obtained from QUERY_DEV_CAP.
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.com>
Signed-off-by: Amir Vadai <amirv@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/port.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 10c57c86388b..4b6aad39e72c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -32,6 +32,7 @@ #include <linux/errno.h> #include <linux/if_ether.h> +#include <linux/if_vlan.h> #include <linux/export.h> #include <linux/mlx4/cmd.h> @@ -517,7 +518,8 @@ static int mlx4_common_set_port(struct mlx4_dev *dev, int slave, u32 in_mod, /* Mtu is configured as the max MTU among all the * the functions on the port. */ mtu = be16_to_cpu(gen_context->mtu); - mtu = min_t(int, mtu, dev->caps.eth_mtu_cap[port]); + mtu = min_t(int, mtu, dev->caps.eth_mtu_cap[port] + + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN); prev_mtu = slave_st->mtu[port]; slave_st->mtu[port] = mtu; if (mtu > master->max_mtu[port]) |