net/mlx5e: Move TC-specific code from en_main.c to en_tc.c

As a preparation for introducing new kconfig option that controls
compilation of all TC offloads code in mlx5, extract TC-specific code from
en_main.c to en_tc.c. This allows easily compiling out the code by
only including new source in make file when corresponding kconfig is
enabled instead of adding multiple ifdef blocks to en_main.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

drivers/net/ethernet/mellanox/mlx5/core/en_main.c

@@ -3539,41 +3539,6 @@ static int mlx5e_setup_tc_mqprio(struct mlx5e_priv *priv,
 	return err;
 }
 
-#ifdef CONFIG_MLX5_ESWITCH
-static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv,
-				     struct flow_cls_offload *cls_flower,
-				     unsigned long flags)
-{
-	switch (cls_flower->command) {
-	case FLOW_CLS_REPLACE:
-		return mlx5e_configure_flower(priv->netdev, priv, cls_flower,
-					      flags);
-	case FLOW_CLS_DESTROY:
-		return mlx5e_delete_flower(priv->netdev, priv, cls_flower,
-					   flags);
-	case FLOW_CLS_STATS:
-		return mlx5e_stats_flower(priv->netdev, priv, cls_flower,
-					  flags);
-	default:
-		return -EOPNOTSUPP;
-	}
-}
-
-static int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
-				   void *cb_priv)
-{
-	unsigned long flags = MLX5_TC_FLAG(INGRESS) | MLX5_TC_FLAG(NIC_OFFLOAD);
-	struct mlx5e_priv *priv = cb_priv;
-
-	switch (type) {
-	case TC_SETUP_CLSFLOWER:
-		return mlx5e_setup_tc_cls_flower(priv, type_data, flags);
-	default:
-		return -EOPNOTSUPP;
-	}
-}
-#endif
-
 static LIST_HEAD(mlx5e_block_cb_list);
 
 static int mlx5e_setup_tc(struct net_device *dev, enum tc_setup_type type,
@@ -3582,7 +3547,6 @@ static int mlx5e_setup_tc(struct net_device *dev, enum tc_setup_type type,
 	struct mlx5e_priv *priv = netdev_priv(dev);
 
 	switch (type) {
-#ifdef CONFIG_MLX5_ESWITCH
 	case TC_SETUP_BLOCK: {
 		struct flow_block_offload *f = type_data;
 
@@ -3592,7 +3556,6 @@ static int mlx5e_setup_tc(struct net_device *dev, enum tc_setup_type type,
 						  mlx5e_setup_tc_block_cb,
 						  priv, priv, true);
 	}
-#endif
 	case TC_SETUP_QDISC_MQPRIO:
 		return mlx5e_setup_tc_mqprio(priv, type_data);
 	default:

drivers/net/ethernet/mellanox/mlx5/core/en_tc.c

@@ -31,6 +31,7 @@
  */
 
 #include <net/flow_dissector.h>
+#include <net/flow_offload.h>
 #include <net/sch_generic.h>
 #include <net/pkt_cls.h>
 #include <net/tc_act/tc_gact.h>
@@ -50,6 +51,7 @@
 #include "en.h"
 #include "en_rep.h"
 #include "en/rep/tc.h"
+#include "en/rep/neigh.h"
 #include "en_tc.h"
 #include "eswitch.h"
 #include "esw/chains.h"
@@ -4777,3 +4779,36 @@ void mlx5e_tc_reoffload_flows_work(struct work_struct *work)
 	}
 	mutex_unlock(&rpriv->unready_flows_lock);
 }
+
+static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv,
+				     struct flow_cls_offload *cls_flower,
+				     unsigned long flags)
+{
+	switch (cls_flower->command) {
+	case FLOW_CLS_REPLACE:
+		return mlx5e_configure_flower(priv->netdev, priv, cls_flower,
+					      flags);
+	case FLOW_CLS_DESTROY:
+		return mlx5e_delete_flower(priv->netdev, priv, cls_flower,
+					   flags);
+	case FLOW_CLS_STATS:
+		return mlx5e_stats_flower(priv->netdev, priv, cls_flower,
+					  flags);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
+			    void *cb_priv)
+{
+	unsigned long flags = MLX5_TC_FLAG(INGRESS) | MLX5_TC_FLAG(NIC_OFFLOAD);
+	struct mlx5e_priv *priv = cb_priv;
+
+	switch (type) {
+	case TC_SETUP_CLSFLOWER:
+		return mlx5e_setup_tc_cls_flower(priv, type_data, flags);
+	default:
+		return -EOPNOTSUPP;
+	}
+}

drivers/net/ethernet/mellanox/mlx5/core/en_tc.h

@@ -173,6 +173,9 @@ void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts);
 struct mlx5e_tc_flow;
 u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow);
 
+int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
+			    void *cb_priv);
+
 #else /* CONFIG_MLX5_ESWITCH */
 static inline int  mlx5e_tc_nic_init(struct mlx5e_priv *priv) { return 0; }
 static inline void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) {}
@@ -181,6 +184,10 @@ static inline int  mlx5e_tc_num_filters(struct mlx5e_priv *priv,
 {
 	return 0;
 }
+
+static inline int
+mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, void *cb_priv)
+{ return -EOPNOTSUPP; }
 #endif
 
 #endif /* __MLX5_EN_TC_H__ */