net/mlx5e: Split nic tc flow allocation and creation

For future support of CT offload with nic tc flows, where
the flow rule is not created immediately but rather following
a future event, the patch is splitting the nic rule creation
and deletion into 2 parts:
1. Creating/Deleting and setting the rule attributes.
2. Creating/Deleting the flow table and flow rule itself.

This way the attributes can be prepared and stored in the
flow handle when the tc flow is created but the rule can
actually be created at any point in the future, using these
pre allocated attributes.

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

1 files changed, 7 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 437f680728fd..2d63a75a9326 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h
@@ -181,6 +181,13 @@ void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv);
 int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
 			    void *cb_priv);
 
+struct mlx5_nic_flow_attr;
+struct mlx5_flow_handle *
+mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv,
+			     struct mlx5_flow_spec *spec,
+			     struct mlx5_nic_flow_attr *attr);
+void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv,
+				  struct mlx5_flow_handle *rule);
 #else /* CONFIG_MLX5_CLS_ACT */
 static inline int  mlx5e_tc_nic_init(struct mlx5e_priv *priv) { return 0; }
 static inline void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) {}