ovn: Add comments to encourage syncing MFF_LOG_* with documentation.

[cascardo/ovs.git] / ovn / controller / lflow.h

diff --git a/ovn/controller/lflow.h b/ovn/controller/lflow.h
index 59fe559..5cac76c 100644 (file)
--- a/ovn/controller/lflow.h
+++ b/ovn/controller/lflow.h
@@ -53,7 +53,10 @@ struct uuid;
 /* The number of tables for the ingress and egress pipelines. */
 #define LOG_PIPELINE_LEN 16
 
-/* Logical fields. */
+/* Logical fields.
+ *
+ * These values are documented in ovn-architecture(7), please update the
+ * documentation if you change any of them. */
 #define MFF_LOG_DATAPATH MFF_METADATA /* Logical datapath (64 bits). */
 #define MFF_LOG_INPORT   MFF_REG6     /* Logical input port (32 bits). */
 #define MFF_LOG_OUTPORT  MFF_REG7     /* Logical output port (32 bits). */