mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-06 03:06:50 -04:00
Code Issues Packages Projects Releases Wiki Activity

net/mlx5: Lag, support single FDB only on 2 ports

Browse Source 
E-Switch currently doesn't support more than 2 E-Switch managers
being aggregated under a single hardware lag. Have specific checks
to disallow creating lag when the code doesn't support it.

Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Mark Bloch
2022-03-01 17:24:40 +00:00
committed by Saeed Mahameed
parent e9d5bb51c5
commit e2c45931ff
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
View File

@@ -458,6 +458,7 @@ static int mlx5_deactivate_lag(struct mlx5_lag *ldev)
return 0;
}
#define MLX5_LAG_OFFLOADS_SUPPORTED_PORTS 2
static bool mlx5_lag_check_prereq(struct mlx5_lag *ldev)
{
#ifdef CONFIG_MLX5_ESWITCH
@@ -470,6 +471,9 @@ static bool mlx5_lag_check_prereq(struct mlx5_lag *ldev)
#ifdef CONFIG_MLX5_ESWITCH
mode = mlx5_eswitch_mode(ldev->pf[MLX5_LAG_P1].dev);
if (mode == MLX5_ESWITCH_OFFLOADS && ldev->ports != MLX5_LAG_OFFLOADS_SUPPORTED_PORTS)
return false;
return (mode == MLX5_ESWITCH_NONE || mode == MLX5_ESWITCH_OFFLOADS) &&
(mlx5_eswitch_mode(ldev->pf[MLX5_LAG_P1].dev) ==
mlx5_eswitch_mode(ldev->pf[MLX5_LAG_P2].dev));