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| author |   Adi Nissim <adin@mellanox.com> | 2018-04-01 16:54:27 +0300 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@mellanox.com> | 2018-06-01 16:48:14 -0700 |
| commit | 250a42b6a764a7954a7a7a137bc71883f05657cb (patch) | |
| tree | 5047e80c2bfcb7684b6c92eeaa25e5879d0f66e0 /drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | |
| parent | net/mlx5e: Increase aRFS flow tables size (diff) | |
| download | linux-dev-250a42b6a764a7954a7a7a137bc71883f05657cb.tar.xz linux-dev-250a42b6a764a7954a7a7a137bc71883f05657cb.zip | |
net/mlx5e: Support configurable MTU for vport representors
The representor MTU was hard coded to 1500 bytes.
Allow setting arbitrary MTU values up to the max supported by the FW.
Signed-off-by: Adi Nissim <adin@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 1fb4835eac72..8ab4c96b7f7c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -900,6 +900,11 @@ static const struct switchdev_ops mlx5e_rep_switchdev_ops = { .switchdev_port_attr_get = mlx5e_attr_get, }; +int mlx5e_change_rep_mtu(struct net_device *netdev, int new_mtu) +{ + return mlx5e_change_mtu(netdev, new_mtu, NULL); +} + static const struct net_device_ops mlx5e_netdev_ops_rep = { .ndo_open = mlx5e_rep_open, .ndo_stop = mlx5e_rep_close, @@ -909,6 +914,7 @@ static const struct net_device_ops mlx5e_netdev_ops_rep = { .ndo_get_stats64 = mlx5e_rep_get_stats, .ndo_has_offload_stats = mlx5e_has_offload_stats, .ndo_get_offload_stats = mlx5e_get_offload_stats, + .ndo_change_mtu = mlx5e_change_rep_mtu, }; static void mlx5e_build_rep_params(struct mlx5_core_dev *mdev, @@ -935,6 +941,10 @@ static void mlx5e_build_rep_params(struct mlx5_core_dev *mdev, static void mlx5e_build_rep_netdev(struct net_device *netdev) { + struct mlx5e_priv *priv = netdev_priv(netdev); + struct mlx5_core_dev *mdev = priv->mdev; + u16 max_mtu; + netdev->netdev_ops = &mlx5e_netdev_ops_rep; netdev->watchdog_timeo = 15 * HZ; @@ -947,6 +957,10 @@ static void mlx5e_build_rep_netdev(struct net_device *netdev) netdev->hw_features |= NETIF_F_HW_TC; eth_hw_addr_random(netdev); + + netdev->min_mtu = ETH_MIN_MTU; + mlx5_query_port_max_mtu(mdev, &max_mtu, 1); + netdev->max_mtu = MLX5E_HW2SW_MTU(&priv->channels.params, max_mtu); } static void mlx5e_init_rep(struct mlx5_core_dev *mdev, |