leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

net/mlx5: Configure IB devices according to LAG state

Browse Source 
When mlx5_ib is loaded, we would like each card's IB devices
to be added according to its LAG state (one IB device, instead of
two, is to be added if LAG is active).

Signed-off-by: Aviv Heller <avivh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Aviv Heller 2016-05-30 18:32:32 +03:00 committed by Leon Romanovsky
parent 3bc34f3bcb
commit 917b41aab7
3 changed files with 22 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/net/ethernet/mellanox/mlx5/core/lag.c
View File

@ -583,3 +583,20 @@ unlock:
}
EXPORT_SYMBOL(mlx5_lag_get_roce_netdev);
bool mlx5_lag_intf_add(struct mlx5_interface *intf, struct mlx5_priv *priv)
{
struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev,
priv);
struct mlx5_lag *ldev;
if (intf->protocol != MLX5_INTERFACE_PROTOCOL_IB)
return true;
ldev = mlx5_lag_dev_get(dev);
if (!ldev || !mlx5_lag_is_bonded(ldev) || ldev->pf[0].dev == dev)
return true;
/* If bonded, we do not add an IB device for PF1. */
return false;
}

3
drivers/net/ethernet/mellanox/mlx5/core/main.c
View File

@ -783,6 +783,9 @@ static void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv)
struct mlx5_device_context *dev_ctx;
struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv);
if (!mlx5_lag_intf_add(intf, priv))
return;
dev_ctx = kmalloc(sizeof(*dev_ctx), GFP_KERNEL);
if (!dev_ctx)
return;

2
drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
View File

@ -105,6 +105,8 @@ void mlx5_lag_remove(struct mlx5_core_dev *dev);
void mlx5_add_dev_by_protocol(struct mlx5_core_dev *dev, int protocol);
void mlx5_remove_dev_by_protocol(struct mlx5_core_dev *dev, int protocol);
bool mlx5_lag_intf_add(struct mlx5_interface *intf, struct mlx5_priv *priv);
void mlx5e_init(void);
void mlx5e_cleanup(void);