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net/mlx5e: Max mtu comparison fix

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On change mtu the driver compares between hardware queried mtu and
software requested mtu. We need to compare between software
representation of the queried mtu and the requested mtu.

Fixes: facc9699f0 ('net/mlx5e: Fix HW MTU settings')
Signed-off-by: Doron Tsur <doront@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Doron Tsur 2015-11-12 19:35:27 +02:00 committed by David S. Miller
parent 66189961e9
commit 50a9eea694
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@ -1901,6 +1901,8 @@ static int mlx5e_change_mtu(struct net_device *netdev, int new_mtu)
mlx5_query_port_max_mtu(mdev, &max_mtu, 1);
max_mtu = MLX5E_HW2SW_MTU(max_mtu);
if (new_mtu > max_mtu) {
netdev_err(netdev,
"%s: Bad MTU (%d) > (%d) Max\n",