X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fopenflow%2Fopenflow-common.h;h=462b2fcfd3b22ffd997a112bb4a4d8d902d36fb4;hb=de6c85b0a2e61105d288c23b718f6599761c2a2e;hp=0bca0d26ba9cf3333c956a608fe8f40d0d98428e;hpb=7a25bd99246a548891427d62ccefb65f765bbc48;p=openvswitch

diff --git a/include/openflow/openflow-common.h b/include/openflow/openflow-common.h
index 0bca0d26..462b2fcf 100644
--- a/include/openflow/openflow-common.h
+++ b/include/openflow/openflow-common.h
@@ -334,4 +334,15 @@ enum ofp_group {
     OFPG_ANY        = 0xffffffff   /* Wildcard, for flow stats requests. */
 };
 
+enum ofp_hello_elem_type {
+    OFPHET_VERSIONBITMAP          = 1, /* Bitmap of version supported. */
+};
+
+/* Common header for all Hello Elements */
+struct ofp_hello_elem_header {
+    ovs_be16    type;        /* One of OFPHET_*. */
+    ovs_be16    length;      /* Length in bytes of this element. */
+};
+OFP_ASSERT(sizeof(struct ofp_hello_elem_header) == 4);
+
 #endif /* openflow/openflow-common.h */