diff options
| author | Muhammad Sammar <muhammads@nvidia.com> | 2020-11-20 15:03:26 -0800 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@nvidia.com> | 2020-11-26 18:43:47 -0800 |
| commit | 699d531f55d5dc6394ca32ff42797b9ab7c15fe1 (patch) | |
| tree | f94bed6845bfa93fe69f5a2728aebf85032f743d /drivers/net/ethernet | |
| parent | 38730630880c6f47ad73dd90524ff52443b8bc48 (diff) | |
net/mlx5: Check dr mask size against mlx5_match_param size
This is to allow passing misc4 match param from userspace when
function like ib_flow_matcher_create is called.
Signed-off-by: Muhammad Sammar <muhammads@nvidia.com>
Reviewed-by: Alex Vesker <valex@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net/ethernet')
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c index 7df883686d46..1b3b2acd45c5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c @@ -630,7 +630,7 @@ static int dr_matcher_init(struct mlx5dr_matcher *matcher, } if (mask) { - if (mask->match_sz > sizeof(struct mlx5dr_match_param)) { + if (mask->match_sz > DR_SZ_MATCH_PARAM) { mlx5dr_err(dmn, "Invalid match size attribute\n"); return -EINVAL; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c index b3c9dc032026..6d73719db1f4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c @@ -874,8 +874,7 @@ static bool dr_rule_verify(struct mlx5dr_matcher *matcher, u32 s_idx, e_idx; if (!value_size || - (value_size > sizeof(struct mlx5dr_match_param) || - (value_size % sizeof(u32)))) { + (value_size > DR_SZ_MATCH_PARAM || (value_size % sizeof(u32)))) { mlx5dr_err(matcher->tbl->dmn, "Rule parameters length is incorrect\n"); return false; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h index f50f3b107aa3..937f469ec678 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h @@ -17,6 +17,7 @@ #define WIRE_PORT 0xFFFF #define DR_STE_SVLAN 0x1 #define DR_STE_CVLAN 0x2 +#define DR_SZ_MATCH_PARAM (MLX5_ST_SZ_DW_MATCH_PARAM * 4) #define mlx5dr_err(dmn, arg...) mlx5_core_err((dmn)->mdev, ##arg) #define mlx5dr_info(dmn, arg...) mlx5_core_info((dmn)->mdev, ##arg) |