Messages in this thread Patch in this message | | | From | Asbjørn Sloth Tønnesen <> | Subject | [PATCH net-next] net/mlx5e: flower: check for unsupported control flags | Date | Wed, 17 Apr 2024 13:51:09 +0000 |
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Use flow_rule_is_supp_control_flags() to reject filters with unsupported control flags.
In case any unsupported control flags are masked, flow_rule_is_supp_control_flags() sets a NL extended error message, and we return -EOPNOTSUPP.
Only compile-tested.
Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> --- drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index aeb32cb27182..5019280cfcdd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -2819,6 +2819,11 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, else *match_level = MLX5_MATCH_L3; } + + if (!flow_rule_is_supp_control_flags(FLOW_DIS_IS_FRAGMENT | + FLOW_DIS_FIRST_FRAG, + match.mask->flags, extack)) + return -EOPNOTSUPP; } if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { -- 2.43.0
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