net/mlx5e: TC, Support offloading police action

Add parsing support by implementing struct mlx5e_tc_act for police
action.

TC rule with police actions is broken down into several rules in
different tables. One rule with the original match in the original
flow table, which set fte_id, do metering, and jump to the post_meter
table. If there are more police actions, more rules are created for
each of them. Besides, a last rule is created in the end.

In post_meter table, there are two pre-defined rules, one is to drop
packet if its packet color is RED, the other is to jump back to
post_act table. As fte_id is updated before jumping, the rule for next
meter is matched to do another round of metering (if there are
multiple meters in the flow rule). Otherwise, last fte_id is matched
and do the original actions.

Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Ariel Levkovich <lariel@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h
index 941e0143577a..517f2252b5ff 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h
@@ -72,6 +72,7 @@ struct mlx5_flow_attr {
 	struct mlx5_modify_hdr *modify_hdr;
 	struct mlx5_ct_attr ct_attr;
 	struct mlx5e_sample_attr sample_attr;
+	struct mlx5e_meter_attr meter_attr;
 	struct mlx5e_tc_flow_parse_attr *parse_attr;
 	u32 chain;
 	u16 prio;
@@ -84,6 +85,7 @@ struct mlx5_flow_attr {
 	u8 tun_ip_version;
 	int tunnel_id; /* mapped tunnel id */
 	u32 flags;
+	u32 exe_aso_type;
 	struct list_head list;
 	struct mlx5e_post_act_handle *post_act_handle;
 	struct {