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

*** 19,28 ****
--- 19,29 ----
   * CDDL HEADER END
   */
  /*
   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  * Copyright (c) 2016, Chris Fraire <cfraire@me.com>.
   */
  
  #pragma ident   "%Z%%M% %I%     %E% SMI"
  
  #include <stdlib.h>
*** 104,115 ****
          *ia = *iareq;
  
          /* We've taken ownership, so the input request is now invalid */
          ipc_action_init(iareq);
  
!         dhcpmsg(MSG_DEBUG, "ipc_action_start: started %s (command %d) on %s",
!             dhcp_ipc_type_to_string(ia->ia_cmd), ia->ia_cmd, dsmp->dsm_name);
  
          dsmp->dsm_dflags |= DHCP_IF_BUSY;
  
          /* This cannot fail due to the async_cancel above */
          (void) async_start(dsmp, ia->ia_cmd, B_TRUE);
--- 105,118 ----
          *ia = *iareq;
  
          /* We've taken ownership, so the input request is now invalid */
          ipc_action_init(iareq);
  
!         dhcpmsg(MSG_DEBUG, "ipc_action_start: started %s (command %d) on %s,"
!             " buffer length %u",
!             dhcp_ipc_type_to_string(ia->ia_cmd), ia->ia_cmd, dsmp->dsm_name,
!             ia->ia_request == NULL ? 0 : ia->ia_request->data_length);
  
          dsmp->dsm_dflags |= DHCP_IF_BUSY;
  
          /* This cannot fail due to the async_cancel above */
          (void) async_start(dsmp, ia->ia_cmd, B_TRUE);