X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fopenflow%2Fopenflow-mgmt.h;h=04017d425d25ae590614f764e5e7ba9212f33302;hb=c0eb8e3158299f50270b283adb55da65c736246a;hp=c3b62c91da912e78b86be484c3014b6b809f93e8;hpb=a14bc59fb8f27db193d74662dc9c5cb8237177ef;p=openvswitch

diff --git a/include/openflow/openflow-mgmt.h b/include/openflow/openflow-mgmt.h
index c3b62c91..04017d42 100644
--- a/include/openflow/openflow-mgmt.h
+++ b/include/openflow/openflow-mgmt.h
@@ -243,7 +243,8 @@ enum ofmp_extended_data_flags {
 
 /* Body of extended data message.  May be sent by either the switch or the
  * controller to send messages that are greater than 65535 bytes in
- * length.
+ * length.  The OpenFlow transaction id (xid) must be the same for all
+ * the individual OpenFlow messages that make up an extended message.
  *
  * OFMPT_EXTENDED_DATA (switch <-> controller) */
 struct ofmp_extended_data {