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net/mlx5: Lag, restore buckets number to default after hash LAG deactivation

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[ Upstream commit 37cc10da3a50e6d0cb9808a90b7da9b4868794dd ]

The cited patch introduces the concept of buckets in LAG in hash mode.
However, the patch doesn't clear the number of buckets in the LAG
deactivation. This results in using the wrong number of buckets in
case user create a hash mode LAG and afterwards create a non-hash
mode LAG.

Hence, restore buckets number to default after hash mode LAG
deactivation.

Fixes: 352899f384 ("net/mlx5: Lag, use buckets in hash mode")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240411115444.374475-2-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Shay Drory
2024-04-11 14:54:39 +03:00
committed by Greg Kroah-Hartman
parent ba0db46385
commit 8635ac7dd9
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
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@@ -679,8 +679,10 @@ static int mlx5_deactivate_lag(struct mlx5_lag *ldev)
return err;
}
if (test_bit(MLX5_LAG_MODE_FLAG_HASH_BASED, &flags))
if (test_bit(MLX5_LAG_MODE_FLAG_HASH_BASED, &flags)) {
mlx5_lag_port_sel_destroy(ldev);
ldev->buckets = 1;
}
if (mlx5_lag_has_drop_rule(ldev))
mlx5_lag_drop_rule_cleanup(ldev);