Thread (8 messages) 8 messages, 3 authors, 2024-01-26
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[PATCH net-next 1/5] net: switchdev: Wrap enums in mapper macros

From: Tobias Waldekranz <tobias@waldekranz.com>
Date: 2024-01-23 15:37:30
Also in: bridge, linux-trace-kernel
Subsystem: networking [general], switchdev, the rest · Maintainers: "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Jiri Pirko, Ivan Vecera, Linus Torvalds

In order to avoid having to maintain separate mappings from enum
values to strings, wrap enumerators in mapper macros, so that
enum-to-string tables can be generated.

This will make it easier to create helpers that convert switchdev
objects to strings.

Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
---
 include/net/switchdev.h | 113 ++++++++++++++++++++++++----------------
 1 file changed, 68 insertions(+), 45 deletions(-)
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index a43062d4c734..76eabf95c647 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -16,21 +16,28 @@
 #define SWITCHDEV_F_SKIP_EOPNOTSUPP	BIT(1)
 #define SWITCHDEV_F_DEFER		BIT(2)
 
+#define SWITCHDEV_ATTR_ID_MAPPER(_fn)	\
+	_fn(UNDEFINED),			\
+	_fn(PORT_STP_STATE),		\
+	_fn(PORT_MST_STATE),		\
+	_fn(PORT_BRIDGE_FLAGS),		\
+	_fn(PORT_PRE_BRIDGE_FLAGS),	\
+	_fn(PORT_MROUTER),		\
+	_fn(BRIDGE_AGEING_TIME),	\
+	_fn(BRIDGE_VLAN_FILTERING),	\
+	_fn(BRIDGE_VLAN_PROTOCOL),	\
+	_fn(BRIDGE_MC_DISABLED),	\
+	_fn(BRIDGE_MROUTER),		\
+	_fn(BRIDGE_MST),		\
+	_fn(MRP_PORT_ROLE),		\
+	_fn(VLAN_MSTI),			\
+	/*  */
+
+#define SWITCHDEV_ATTR_ID_ENUMERATOR(_id) \
+	SWITCHDEV_ATTR_ID_ ## _id
+
 enum switchdev_attr_id {
-	SWITCHDEV_ATTR_ID_UNDEFINED,
-	SWITCHDEV_ATTR_ID_PORT_STP_STATE,
-	SWITCHDEV_ATTR_ID_PORT_MST_STATE,
-	SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
-	SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS,
-	SWITCHDEV_ATTR_ID_PORT_MROUTER,
-	SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
-	SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
-	SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL,
-	SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED,
-	SWITCHDEV_ATTR_ID_BRIDGE_MROUTER,
-	SWITCHDEV_ATTR_ID_BRIDGE_MST,
-	SWITCHDEV_ATTR_ID_MRP_PORT_ROLE,
-	SWITCHDEV_ATTR_ID_VLAN_MSTI,
+	SWITCHDEV_ATTR_ID_MAPPER(SWITCHDEV_ATTR_ID_ENUMERATOR)
 };
 
 struct switchdev_mst_state {
@@ -69,18 +76,25 @@ struct switchdev_attr {
 	} u;
 };
 
+#define SWITCHDEV_OBJ_ID_MAPPER(_fn)	\
+	_fn(UNDEFINED),			\
+	_fn(PORT_VLAN),			\
+	_fn(PORT_MDB),			\
+	_fn(HOST_MDB),			\
+	_fn(MRP),			\
+	_fn(RING_TEST_MRP),		\
+	_fn(RING_ROLE_MRP),		\
+	_fn(RING_STATE_MRP),		\
+	_fn(IN_TEST_MRP),		\
+	_fn(IN_ROLE_MRP),		\
+	_fn(IN_STATE_MRP),		\
+	/*  */
+
+#define SWITCHDEV_OBJ_ID_ENUMERATOR(_id) \
+	SWITCHDEV_OBJ_ID_ ## _id
+
 enum switchdev_obj_id {
-	SWITCHDEV_OBJ_ID_UNDEFINED,
-	SWITCHDEV_OBJ_ID_PORT_VLAN,
-	SWITCHDEV_OBJ_ID_PORT_MDB,
-	SWITCHDEV_OBJ_ID_HOST_MDB,
-	SWITCHDEV_OBJ_ID_MRP,
-	SWITCHDEV_OBJ_ID_RING_TEST_MRP,
-	SWITCHDEV_OBJ_ID_RING_ROLE_MRP,
-	SWITCHDEV_OBJ_ID_RING_STATE_MRP,
-	SWITCHDEV_OBJ_ID_IN_TEST_MRP,
-	SWITCHDEV_OBJ_ID_IN_ROLE_MRP,
-	SWITCHDEV_OBJ_ID_IN_STATE_MRP,
+	SWITCHDEV_OBJ_ID_MAPPER(SWITCHDEV_OBJ_ID_ENUMERATOR)
 };
 
 struct switchdev_obj {
@@ -209,27 +223,36 @@ struct switchdev_brport {
 	bool tx_fwd_offload;
 };
 
+#define SWITCHDEV_TYPE_MAPPER(_fn)	\
+	_fn(UNKNOWN),			\
+					\
+	_fn(FDB_ADD_TO_BRIDGE),		\
+	_fn(FDB_DEL_TO_BRIDGE),		\
+	_fn(FDB_ADD_TO_DEVICE),		\
+	_fn(FDB_DEL_TO_DEVICE),		\
+	_fn(FDB_OFFLOADED),		\
+	_fn(FDB_FLUSH_TO_BRIDGE),	\
+					\
+	_fn(PORT_OBJ_ADD),		\
+	_fn(PORT_OBJ_DEL),		\
+	_fn(PORT_ATTR_SET),		\
+					\
+	_fn(VXLAN_FDB_ADD_TO_BRIDGE),	\
+	_fn(VXLAN_FDB_DEL_TO_BRIDGE),	\
+	_fn(VXLAN_FDB_ADD_TO_DEVICE),	\
+	_fn(VXLAN_FDB_DEL_TO_DEVICE),	\
+	_fn(VXLAN_FDB_OFFLOADED),	\
+					\
+	_fn(BRPORT_OFFLOADED),		\
+	_fn(BRPORT_UNOFFLOADED),	\
+	_fn(BRPORT_REPLAY),		\
+	/*  */
+
+#define SWITCHDEV_TYPE_ENUMERATOR(_id) \
+	SWITCHDEV_ ## _id
+
 enum switchdev_notifier_type {
-	SWITCHDEV_FDB_ADD_TO_BRIDGE = 1,
-	SWITCHDEV_FDB_DEL_TO_BRIDGE,
-	SWITCHDEV_FDB_ADD_TO_DEVICE,
-	SWITCHDEV_FDB_DEL_TO_DEVICE,
-	SWITCHDEV_FDB_OFFLOADED,
-	SWITCHDEV_FDB_FLUSH_TO_BRIDGE,
-
-	SWITCHDEV_PORT_OBJ_ADD, /* Blocking. */
-	SWITCHDEV_PORT_OBJ_DEL, /* Blocking. */
-	SWITCHDEV_PORT_ATTR_SET, /* May be blocking . */
-
-	SWITCHDEV_VXLAN_FDB_ADD_TO_BRIDGE,
-	SWITCHDEV_VXLAN_FDB_DEL_TO_BRIDGE,
-	SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE,
-	SWITCHDEV_VXLAN_FDB_DEL_TO_DEVICE,
-	SWITCHDEV_VXLAN_FDB_OFFLOADED,
-
-	SWITCHDEV_BRPORT_OFFLOADED,
-	SWITCHDEV_BRPORT_UNOFFLOADED,
-	SWITCHDEV_BRPORT_REPLAY,
+	SWITCHDEV_TYPE_MAPPER(SWITCHDEV_TYPE_ENUMERATOR)
 };
 
 struct switchdev_notifier_info {
-- 
2.34.1
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