lib: add table_id route entry flag

Add a flag to mean that a route entry is owned by a table ID and not by a VRF. If the VRF associated to the table ID is deleted, the route entry must not be deleted. Signed-off-by: Louis Scalbert <[email protected]>
FRRouting · Nov 19, 2024 · a08a901 · a08a901
1 parent b44533b
commit a08a901
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diff --git a/lib/zclient.c b/lib/zclient.c
@@ -1236,6 +1236,8 @@ int zapi_route_encode(uint8_t cmd, struct stream *s, struct zapi_route *api)
 	stream_putc(s, api->type);
 
 	stream_putw(s, api->instance);
+	if (CHECK_FLAG(api->message, ZAPI_MESSAGE_TABLEID))
+		SET_FLAG(api->flags, ZEBRA_FLAG_TABLEID);
 	stream_putl(s, api->flags);
 	stream_putl(s, api->message);
 
@@ -1295,6 +1297,8 @@ int zapi_route_encode(uint8_t cmd, struct stream *s, struct zapi_route *api)
 				return -1;
 			}
 
+			if (CHECK_FLAG(api->message, ZAPI_MESSAGE_TABLEID))
+				SET_FLAG(api->flags, ZEBRA_FLAG_TABLEID);
 			if (zapi_nexthop_encode(s, api_nh, api->flags,
 						api->message)
 			    != 0)
@@ -1334,6 +1338,9 @@ int zapi_route_encode(uint8_t cmd, struct stream *s, struct zapi_route *api)
 				return -1;
 			}
 
+			if (CHECK_FLAG(api->message, ZAPI_MESSAGE_TABLEID))
+				SET_FLAG(api->flags, ZEBRA_FLAG_TABLEID);
+
 			if (zapi_nexthop_encode(s, api_nh, api->flags,
 						api->message)
 			    != 0)

diff --git a/lib/zclient.h b/lib/zclient.h
@@ -563,6 +563,12 @@ struct zapi_route {
  * kernel (NLM_F_APPEND at the very least )
  */
 #define ZEBRA_FLAG_OUTOFSYNC          0x400
+/*
+ * This flag lets us know that the route entry is
+ * associated to the table ID and must remain when the
+ * table ID is de-associated from a VRF.
+ */
+#define ZEBRA_FLAG_TABLEID 0x800
 
 	/* The older XXX_MESSAGE flags live here */
 	uint32_t message;