diff options
author | Roi Dayan <roid@nvidia.com> | 2021-04-13 14:35:22 +0300 |
---|---|---|
committer | Saeed Mahameed <saeedm@nvidia.com> | 2021-06-02 04:30:20 +0300 |
commit | afe93f71b5d3cdae7209213ec8ef25210b837b93 (patch) | |
tree | cb9e26f1a7c7e0ab6bc9e208b5c6abdfdd40ed91 /drivers/net/ethernet/mellanox | |
parent | 5940e64281c09976ce2b560244217e610bf9d029 (diff) | |
download | linux-afe93f71b5d3cdae7209213ec8ef25210b837b93.tar.xz |
net/mlx5e: Check for needed capability for cvlan matching
If not supported show an error and return instead of trying to offload
to the hardware and fail.
Fixes: 699e96ddf47f ("net/mlx5e: Support offloading tc double vlan headers match")
Reported-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 2c776e7a7692..dd64878e5b38 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -2015,11 +2015,13 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, misc_parameters_3); struct flow_rule *rule = flow_cls_offload_flow_rule(f); struct flow_dissector *dissector = rule->match.dissector; + enum fs_flow_table_type fs_type; u16 addr_type = 0; u8 ip_proto = 0; u8 *match_level; int err; + fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX; match_level = outer_match_level; if (dissector->used_keys & @@ -2145,6 +2147,13 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, if (match.mask->vlan_id || match.mask->vlan_priority || match.mask->vlan_tpid) { + if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid, + fs_type)) { + NL_SET_ERR_MSG_MOD(extack, + "Matching on CVLAN is not supported"); + return -EOPNOTSUPP; + } + if (match.key->vlan_tpid == htons(ETH_P_8021AD)) { MLX5_SET(fte_match_set_misc, misc_c, outer_second_svlan_tag, 1); |