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authorTariq Toukan <tariqt@nvidia.com>2021-01-12 13:29:14 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-04-10 13:36:07 +0200
commit4b4ce9895e64ee50f0c2b06d7c156d1f9123160b (patch)
tree76824b97d99a0252eec64a1ffbc4c7dde7aed28c /drivers/net
parent198afc3b0c015daa3bbb171d5bb3c9098b8d2839 (diff)
downloadlinux-rt-4b4ce9895e64ee50f0c2b06d7c156d1f9123160b.tar.gz
net/mlx5e: Enforce minimum value check for ICOSQ size
[ Upstream commit 5115daa675ccf70497fe56e8916cf738d8212c10 ] The ICOSQ size should not go below MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE. Enforce this where it's missing. Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Reviewed-by: Maxim Mikityanskiy <maximmi@mellanox.com> Reviewed-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index e2006c6053c9..9a12df43becc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -2326,8 +2326,9 @@ static u8 mlx5e_build_icosq_log_wq_sz(struct mlx5e_params *params,
{
switch (params->rq_wq_type) {
case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
- return order_base_2(MLX5E_UMR_WQEBBS) +
- mlx5e_get_rq_log_wq_sz(rqp->rqc);
+ return max_t(u8, MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE,
+ order_base_2(MLX5E_UMR_WQEBBS) +
+ mlx5e_get_rq_log_wq_sz(rqp->rqc));
default: /* MLX5_WQ_TYPE_CYCLIC */
return MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE;
}