net/mlx5e: Create symmetric IPsec RX and TX flow steering structs

Remove AF family obfuscation by creating symmetric structs for RX and
TX IPsec flow steering chains. This simplifies to us low level IPsec
FS creation logic without need to dig into multiple levels of structs.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h

@@ -94,7 +94,7 @@ struct mlx5e_ipsec_sw_stats {
 	atomic64_t ipsec_tx_drop_trailer;
 };
 
-struct mlx5e_accel_fs_esp;
+struct mlx5e_ipsec_rx;
 struct mlx5e_ipsec_tx;
 
 struct mlx5e_ipsec {
@@ -103,8 +103,9 @@ struct mlx5e_ipsec {
 	spinlock_t sadb_rx_lock; /* Protects sadb_rx */
 	struct mlx5e_ipsec_sw_stats sw_stats;
 	struct workqueue_struct *wq;
-	struct mlx5e_accel_fs_esp *rx_fs;
-	struct mlx5e_ipsec_tx *tx_fs;
+	struct mlx5e_ipsec_rx *rx_ipv4;
+	struct mlx5e_ipsec_rx *rx_ipv6;
+	struct mlx5e_ipsec_tx *tx;
 };
 
 struct mlx5e_ipsec_esn_state {