7388 Support DHCP Client FQDN. Allow IAID/DUID for all v4.

@@ -19,10 +19,11 @@
  * CDDL HEADER END
  */
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
+ * Copyright (c) 2016, Chris Fraire <cfraire@me.com>.
  */
 
 #ifndef STATES_H
 #define STATES_H
 

@@ -199,10 +200,23 @@
          * here between the DISCOVER and the REQUEST.  (v4 only)
          */
         char            *dsm_reqhost;
 
         /*
+         * The host name we've been asked by IPC message (e.g.,
+         * `ipadm -T dhcp -h ...') to request is remembered here until it is
+         * reset by another external message.
+         */
+        char            *dsm_msg_reqhost;
+
+        /*
+         * The determined FQDN is remembered here between the DISCOVER/SOLICIT
+         * and the REQUEST.
+         */
+        char            *dsm_reqfqdn;
+
+        /*
          * V4 and V6 use slightly different timers.  For v4, we must count
          * seconds from the point where we first try to configure the
          * interface.  For v6, only seconds while performing a transaction
          * matter.
          *