recirculation: Adjust ovs_key_attr ABI

Jesse helped to clarify how to maintain the ABI. Making the adjustment accordingly and add some comments. Signed-off-by: Andy Zhou <[email protected]> Acked-by: Jesse Gross <[email protected]>
nareshpaturi · Mar 28, 2014 · 0962036 · 0962036
1 parent 317e49b
commit 0962036
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/include/linux/openvswitch.h b/include/linux/openvswitch.h
@@ -307,12 +307,13 @@ enum ovs_key_attr {
 	OVS_KEY_ATTR_TUNNEL,	/* Nested set of ovs_tunnel attributes */
 	OVS_KEY_ATTR_SCTP,      /* struct ovs_key_sctp */
 	OVS_KEY_ATTR_TCP_FLAGS,	/* be16 TCP flags. */
+	OVS_KEY_ATTR_DP_HASH,	/* u32 hash value */
+	OVS_KEY_ATTR_RECIRC_ID, /* u32 recirc id */
 #ifdef __KERNEL__
+	/* Only used within kernel data path. */
 	OVS_KEY_ATTR_IPV4_TUNNEL,  /* struct ovs_key_ipv4_tunnel */
 #endif
-
-	OVS_KEY_ATTR_DP_HASH = 20,	/* u32 hash value */
-	OVS_KEY_ATTR_RECIRC_ID,		/* u32 recirc id */
+	/* Experimental */
 
 	OVS_KEY_ATTR_MPLS = 62, /* array of struct ovs_key_mpls.
 				 * The implementation may restrict