From cee26487620bc9bc3c7db21b6984d91f7bae12ae Mon Sep 17 00:00:00 2001 From: Jianbo Liu Date: Sat, 25 Aug 2018 03:29:58 +0000 Subject: net/mlx5e: Set vlan masks for all offloaded TC rules In flow steering, if asked to, the hardware matches on the first ethertype which is not vlan. It's possible to set a rule as follows, which is meant to match on untagged packet, but will match on a vlan packet: tc filter add dev eth0 parent ffff: protocol ip flower ... To avoid this for packets with single tag, we set vlan masks to tell hardware to check the tags for every matched packet. Fixes: 095b6cfd69ce ('net/mlx5e: Add TC vlan match parsing') Signed-off-by: Jianbo Liu Reviewed-by: Or Gerlitz Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/net/ethernet/mellanox/mlx5/core') diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 52e05f3ece50..85796727093e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -1368,6 +1368,9 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, *match_level = MLX5_MATCH_L2; } + } else { + MLX5_SET(fte_match_set_lyr_2_4, headers_c, svlan_tag, 1); + MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1); } if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CVLAN)) { -- cgit v1.2.3-59-g8ed1b