net/mlx5e: Use the inner headers to determine tc/pedit offload limitation on decap flows

In packets that need to be decaped the internal headers
have to be checked, not the external ones.

Fixes: bdd66ac0ae ("net/mlx5e: Disallow TC offloading of unsupported match/action combinations")
Signed-off-by: Guy Shattah <sguy@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Guy Shattah 2019-01-28 13:58:07 +00:00 committed by Saeed Mahameed
parent 6363651d6d
commit 1651925d40

View File

@ -2181,6 +2181,7 @@ static bool csum_offload_supported(struct mlx5e_priv *priv,
static bool modify_header_match_supported(struct mlx5_flow_spec *spec,
struct tcf_exts *exts,
u32 actions,
struct netlink_ext_ack *extack)
{
const struct tc_action *a;
@ -2190,7 +2191,11 @@ static bool modify_header_match_supported(struct mlx5_flow_spec *spec,
u16 ethertype;
int nkeys, i;
headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers);
if (actions & MLX5_FLOW_CONTEXT_ACTION_DECAP)
headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers);
else
headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers);
ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype);
/* for non-IP we only re-write MACs, so we're okay */
@ -2247,7 +2252,7 @@ static bool actions_match_supported(struct mlx5e_priv *priv,
if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
return modify_header_match_supported(&parse_attr->spec, exts,
extack);
actions, extack);
return true;
}