net/mlx5: DR, Fix wrong allocation of modify hdr pattern

Fixing wrong calculation of the modify hdr pattern size,
where the previously calculated number would not be enough
to accommodate the required number of actions.

Fixes: da5d0027d666 ("net/mlx5: DR, Add cache for modify header pattern")
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Reviewed-by: Erez Shitrit <erezsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ptrn.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ptrn.c
index d6947fe13d560d141e8e2efa9c7be49a485abcc0..8ca534ef5d031682372ddba1c6a5431be43c0535 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ptrn.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ptrn.c
@@ -82,7 +82,7 @@ dr_ptrn_alloc_pattern(struct mlx5dr_ptrn_mgr *mgr,
        u32 chunk_size;
        u32 index;
 
-       chunk_size = ilog2(num_of_actions);
+       chunk_size = ilog2(roundup_pow_of_two(num_of_actions));
        /* HW modify action index granularity is at least 64B */
        chunk_size = max_t(u32, chunk_size, DR_CHUNK_SIZE_8);