mlxsw: spectrum_acl: Add vregion migration end tracepoint

Hit the new tracepoint once the vregion migration ends.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c

@@ -1274,8 +1274,10 @@ mlxsw_sp_acl_tcam_vregion_migrate(struct mlxsw_sp *mlxsw_sp,
 
 	region2 = mlxsw_sp_acl_tcam_region_create(mlxsw_sp, vregion->tcam,
 						  vregion, hints_priv);
-	if (IS_ERR(region2))
-		return PTR_ERR(region2);
+	if (IS_ERR(region2)) {
+		err = PTR_ERR(region2);
+		goto out;
+	}
 
 	vregion->region2 = region2;
 	err = mlxsw_sp_acl_tcam_group_region_attach(mlxsw_sp,
@@ -1309,11 +1311,14 @@ mlxsw_sp_acl_tcam_vregion_migrate(struct mlxsw_sp *mlxsw_sp,
 		mutex_unlock(&vregion->lock);
 	}
 
-	return err;
+	goto out;
 
 err_group_region_attach:
 	vregion->region2 = NULL;
 	mlxsw_sp_acl_tcam_region_destroy(mlxsw_sp, region2);
+out:
+	trace_mlxsw_sp_acl_tcam_vregion_migrate_end(mlxsw_sp, vregion);
+
 	return err;
 }
 

include/trace/events/mlxsw.h

@@ -73,6 +73,26 @@ TRACE_EVENT(mlxsw_sp_acl_tcam_vregion_migrate,
 		  __entry->mlxsw_sp, __entry->vregion)
 );
 
+TRACE_EVENT(mlxsw_sp_acl_tcam_vregion_migrate_end,
+	TP_PROTO(const struct mlxsw_sp *mlxsw_sp,
+		 const struct mlxsw_sp_acl_tcam_vregion *vregion),
+
+	TP_ARGS(mlxsw_sp, vregion),
+
+	TP_STRUCT__entry(
+		__field(const void *, mlxsw_sp)
+		__field(const void *, vregion)
+	),
+
+	TP_fast_assign(
+		__entry->mlxsw_sp = mlxsw_sp;
+		__entry->vregion = vregion;
+	),
+
+	TP_printk("mlxsw_sp %p, vregion %p",
+		  __entry->mlxsw_sp, __entry->vregion)
+);
+
 TRACE_EVENT(mlxsw_sp_acl_tcam_vregion_rehash_dis,
 	TP_PROTO(const struct mlxsw_sp *mlxsw_sp,
 		 const struct mlxsw_sp_acl_tcam_vregion *vregion),