OK, here it is - irdp support. But don't expect me to fix any bugs in it.

1 files changed, 784 insertions, 0 deletions

diff --git a/zebra/irdp_interface.c b/zebra/irdp_interface.c
new file mode 100644
index 00000000..1e5ad0e9
--- /dev/null
+++ b/zebra/irdp_interface.c
@@ -0,0 +1,784 @@
+/*
+ *
+ * Copyright (C) 2000  Robert Olsson.
+ * Swedish University of Agricultural Sciences
+ *
+ * This file is part of GNU Zebra.
+ *
+ * GNU Zebra is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * GNU Zebra is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Zebra; see the file COPYING.  If not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.  
+ */
+
+/* 
+ * This work includes work with the following copywrite:
+ *
+ * Copyright (C) 1997, 2000 Kunihiro Ishiguro
+ *
+ */
+
+/* 
+ * Thanks to Jens Låås at Swedish University of Agricultural Sciences
+ * for reviewing and tests.
+ */
+
+
+#include <zebra.h>
+
+#ifdef HAVE_IRDP 
+
+#include "if.h"
+#include "vty.h"
+#include "sockunion.h"
+#include "prefix.h"
+#include "command.h"
+#include "memory.h"
+#include "stream.h"
+#include "ioctl.h"
+#include "connected.h"
+#include "log.h"
+#include "zclient.h"
+#include "thread.h"
+#include "zebra/interface.h"
+#include "zebra/rtadv.h"
+#include "zebra/rib.h"
+#include "zebra/zserv.h"
+#include "zebra/redistribute.h"
+#include "zebra/irdp.h"
+#include <netinet/ip_icmp.h>
+#include "if.h"
+#include "sockunion.h"
+#include "log.h"
+
+
+/* Master of threads. */
+extern struct zebra_t zebrad;
+
+int in_cksum (void *ptr, int nbytes);
+extern int irdp_sock;
+int irdp_send_thread(struct thread *t_advert);
+char *inet_2a(u_int32_t a, char *b);
+void irdp_advert_off(struct interface *ifp);
+
+
+char b1[16], b2[16], b3[16], b4[16];  /* For inet_2a */
+
+struct prefix *irdp_get_prefix(struct interface *ifp)
+{
+  listnode node;
+  struct connected *ifc;
+  
+  if(ifp->connected) 
+    for (node = listhead (ifp->connected); node; nextnode (node)) {
+      ifc = getdata (node);
+      return ifc->address;
+    }
+  return NULL;
+}
+
+/* Join to the add/leave multicast group. */
+int if_group (struct interface *ifp, 
+	  int sock, 
+	  u_int32_t group, 
+	  int add_leave)
+{
+  struct zebra_if *zi;
+  struct ip_mreq m;
+  struct prefix *p;
+  int ret;
+
+  zi = ifp->info;
+
+  bzero (&m, sizeof (m));
+  m.imr_multiaddr.s_addr = htonl (group);
+  p = irdp_get_prefix(ifp);
+
+  if(!p) {
+        zlog_warn ("IRDP: can't get address for %s", ifp->name);
+	return 1;
+  }
+
+  m.imr_interface = p->u.prefix4;
+
+  ret = setsockopt (sock, IPPROTO_IP, add_leave,
+		    (char *) &m, sizeof (struct ip_mreq));
+  if (ret < 0)
+    zlog_warn ("IRDP: %s can't setsockopt %s: %s",
+	       add_leave == IP_ADD_MEMBERSHIP? "join group":"leave group", 
+               inet_2a(group, b1),
+               strerror (errno));
+
+  return ret;
+}
+
+int if_add_group (struct interface *ifp)
+{
+  struct zebra_if *zi= ifp->info;
+  struct irdp_interface *irdp = &zi->irdp;
+  int ret;
+
+  ret = if_group (ifp, irdp_sock, INADDR_ALLRTRS_GROUP, IP_ADD_MEMBERSHIP);
+  if (ret < 0) {
+    return ret;
+  }
+
+  if(irdp->flags & IF_DEBUG_MISC )
+    zlog_warn("IRDP: Adding group %s for %s\n", 
+	      inet_2a(htonl(INADDR_ALLRTRS_GROUP), b1),
+	      ifp->name);
+  return 0;
+}
+int if_drop_group (struct interface *ifp)
+{
+  struct zebra_if *zi= ifp->info;
+  struct irdp_interface *irdp = &zi->irdp;
+  int ret;
+
+  ret = if_group (ifp, irdp_sock, INADDR_ALLRTRS_GROUP, IP_DROP_MEMBERSHIP);
+  if (ret < 0)
+    return ret;
+
+  if(irdp->flags & IF_DEBUG_MISC)
+    zlog_warn("IRDP: Leaving group %s for %s\n", 
+	      inet_2a(htonl(INADDR_ALLRTRS_GROUP), b1),
+	      ifp->name);
+  return 0;
+}
+
+struct interface *get_iflist_ifp(int idx)
+{
+  listnode node;
+  struct interface *ifp;
+
+  for (node = listhead (iflist); node; nextnode (node)) {
+      ifp = getdata (node);
+      if(ifp->ifindex == idx) return ifp;
+    }
+  return NULL;
+}
+
+void
+if_set_defaults(struct interface *ifp)
+{
+  struct zebra_if *zi=ifp->info;
+  struct irdp_interface *irdp=&zi->irdp;
+
+  irdp->MaxAdvertInterval = IRDP_MAXADVERTINTERVAL;
+  irdp->MinAdvertInterval = IRDP_MINADVERTINTERVAL;
+  irdp->Preference = IRDP_PREFERENCE;
+  irdp->Lifetime = IRDP_LIFETIME;
+}
+
+
+struct Adv *Adv_new ()
+{
+  struct Adv *new;
+  new = XMALLOC (MTYPE_TMP, sizeof (struct Adv));
+  memset (new, 0, sizeof (struct Adv));
+  return new;
+}
+
+void Adv_free (struct Adv *adv)
+{
+  XFREE (MTYPE_TMP, adv);
+}
+
+void irdp_if_start(struct interface *ifp, int multicast, int set_defaults)
+{
+  struct zebra_if *zi= ifp->info;
+  struct irdp_interface *irdp = &zi->irdp;
+  listnode node;
+  u_int32_t timer, seed;
+
+  if (irdp->flags & IF_ACTIVE ) {
+    zlog_warn("IRDP: Interface is already active %s\n", ifp->name);
+    return;
+  }
+  irdp->flags |= IF_ACTIVE;
+
+  if(!multicast) 
+    irdp->flags |= IF_BROADCAST;
+
+  if_add_update(ifp);
+
+  if (! (ifp->flags & IFF_UP)) {
+    zlog_warn("IRDP: Interface is down %s\n", ifp->name);
+  }
+
+  /* Shall we cancel if_start if if_add_group fails? */
+
+  if( multicast) {
+    if_add_group(ifp);
+    
+    if (! (ifp->flags & (IFF_MULTICAST|IFF_ALLMULTI))) {
+      zlog_warn("IRDP: Interface not multicast enabled %s\n", ifp->name);
+    }
+  }
+
+  if(set_defaults) 
+    if_set_defaults(ifp);
+
+  irdp->irdp_sent = 0;
+
+  /* The spec suggests this for randomness */
+
+  seed = 0;
+  if( ifp->connected) 
+	  for (node = listhead (ifp->connected); node; nextnode (node)) 
+	  {
+		  struct connected *ifc = getdata (node);
+		  seed = ifc->address->u.prefix4.s_addr;
+	  }
+  
+  srandom(seed);
+  timer =  (random () % IRDP_DEFAULT_INTERVAL) + 1; 
+
+  irdp->AdvPrefList = list_new();
+  irdp->AdvPrefList->del =  (void *) Adv_free; /* Destructor */
+
+
+  /* And this for startup. Speed limit from 1991 :-). But it's OK*/
+
+  if(irdp->irdp_sent < MAX_INITIAL_ADVERTISEMENTS &&
+     timer > MAX_INITIAL_ADVERT_INTERVAL ) 
+	  timer= MAX_INITIAL_ADVERT_INTERVAL;
+
+  
+  if(irdp->flags & IF_DEBUG_MISC)
+    zlog_warn("IRDP: Init timer for %s set to %u\n", 
+	      ifp->name, 
+	      timer);
+
+  irdp->t_advertise = thread_add_timer(zebrad.master, 
+				       irdp_send_thread, 
+				       ifp, 
+				       timer);
+}
+
+void irdp_if_stop(struct interface *ifp)
+{
+  struct zebra_if *zi=ifp->info;
+  struct irdp_interface *irdp=&zi->irdp;
+  
+  if (irdp == NULL) {
+    zlog_warn ("Interface %s structure is NULL", ifp->name);
+    return;
+  }
+
+  if (! (irdp->flags & IF_ACTIVE )) {
+    zlog_warn("Interface is not active %s\n", ifp->name);
+    return;
+  }
+
+  if(! (irdp->flags & IF_BROADCAST)) 
+    if_drop_group(ifp);
+
+  irdp_advert_off(ifp);
+
+  list_delete(irdp->AdvPrefList);
+  irdp->AdvPrefList=NULL;
+
+  irdp->flags = 0;
+}
+
+
+void irdp_if_shutdown(struct interface *ifp)
+{
+  struct zebra_if *zi= ifp->info;
+  struct irdp_interface *irdp = &zi->irdp;
+
+  if (irdp->flags & IF_SHUTDOWN ) {
+    zlog_warn("IRDP: Interface is already shutdown %s\n", ifp->name);
+    return;
+  }
+
+  irdp->flags |= IF_SHUTDOWN;
+  irdp->flags &= ~IF_ACTIVE;
+
+  if(! (irdp->flags & IF_BROADCAST)) 
+    if_drop_group(ifp);
+  
+  /* Tell the hosts we are out of service */
+  irdp_advert_off(ifp);
+}
+
+void irdp_if_no_shutdown(struct interface *ifp)
+{
+  struct zebra_if *zi= ifp->info;
+  struct irdp_interface *irdp = &zi->irdp;
+
+  if (! (irdp->flags & IF_SHUTDOWN )) {
+    zlog_warn("IRDP: Interface is not shutdown %s\n", ifp->name);
+    return;
+  }
+
+  irdp->flags &= ~IF_SHUTDOWN;
+
+  irdp_if_start(ifp, irdp->flags & IF_BROADCAST? FALSE : TRUE, FALSE); 
+
+}
+
+
+/* Write configuration to user */
+
+void irdp_config_write (struct vty *vty, struct interface *ifp)
+{
+  struct zebra_if *zi=ifp->info;
+  struct irdp_interface *irdp=&zi->irdp;
+  struct Adv *adv;
+  listnode node;
+
+  if(irdp->flags & IF_ACTIVE || irdp->flags & IF_SHUTDOWN) {
+
+    if( irdp->flags & IF_SHUTDOWN) 
+      vty_out (vty, " ip irdp shutdown %s",  VTY_NEWLINE);
+
+    if( irdp->flags & IF_BROADCAST) 
+      vty_out (vty, " ip irdp broadcast%s",  VTY_NEWLINE);
+    else 
+      vty_out (vty, " ip irdp multicast%s",  VTY_NEWLINE);
+
+    vty_out (vty, " ip irdp preference %ld%s",  
+	     irdp->Preference, VTY_NEWLINE);
+
+    for (node = listhead (irdp->AdvPrefList); node; nextnode (node)) {
+	    adv = getdata (node);
+	    vty_out (vty, " ip irdp address %s preference %d%s",
+		     inet_2a(adv->ip.s_addr, b1),
+		     adv->pref,
+		     VTY_NEWLINE);
+
+    }
+
+    vty_out (vty, " ip irdp holdtime %d%s",  
+	     irdp->Lifetime, VTY_NEWLINE);
+
+    vty_out (vty, " ip irdp minadvertinterval %ld%s",  
+	     irdp->MinAdvertInterval, VTY_NEWLINE);
+
+    vty_out (vty, " ip irdp maxadvertinterval %ld%s",  
+	     irdp->MaxAdvertInterval, VTY_NEWLINE);
+
+  }
+}
+
+
+DEFUN (ip_irdp_multicast,
+       ip_irdp_multicast_cmd,
+       "ip irdp multicast",
+       IP_STR
+       "ICMP Router discovery on this interface using multicast\n")
+{
+  struct interface *ifp;
+
+  ifp = (struct interface *) vty->index;
+  if(!ifp) {
+	  return CMD_WARNING;
+  }
+
+  irdp_if_start(ifp, TRUE, TRUE);
+  return CMD_SUCCESS;
+}
+
+DEFUN (ip_irdp_broadcast,
+       ip_irdp_broadcast_cmd,
+       "ip irdp broadcast",
+       IP_STR
+       "ICMP Router discovery on this interface using broadcast\n")
+{
+  struct interface *ifp;
+
+  ifp = (struct interface *) vty->index;
+  if(!ifp) {
+	  return CMD_WARNING;
+  }
+
+  irdp_if_start(ifp, FALSE, TRUE);
+  return CMD_SUCCESS;
+}
+
+DEFUN (ip_irdp_no,
+       ip_irdp_cmd_no,
+       "no ip irdp",
+       IP_STR
+       "Disable ICMP Router discovery on this interface\n")
+{
+  struct interface *ifp;
+
+  ifp = (struct interface *) vty->index;
+  if(!ifp) {
+	  return CMD_WARNING;
+  }
+
+  irdp_if_stop(ifp);
+  return CMD_SUCCESS;
+}
+
+DEFUN (ip_irdp_shutdown,
+       ip_irdp_shutdown_cmd,
+       "ip irdp shutdown",
+       IP_STR
+       "ICMP Router discovery shutdown on this interface\n")
+{
+  struct interface *ifp;
+
+  ifp = (struct interface *) vty->index;
+  if(!ifp) {
+	  return CMD_WARNING;
+  }
+
+  irdp_if_shutdown(ifp);
+  return CMD_SUCCESS;
+}
+
+DEFUN (ip_irdp_no_shutdown,
+       ip_irdp_no_shutdown_cmd,
+       "no ip irdp shutdown",
+       IP_STR
+       "ICMP Router discovery no shutdown on this interface\n")
+{
+  struct interface *ifp;
+
+  ifp = (struct interface *) vty->index;
+  if(!ifp) {
+	  return CMD_WARNING;
+  }
+
+  irdp_if_no_shutdown(ifp);
+  return CMD_SUCCESS;
+}
+
+DEFUN (ip_irdp_holdtime,
+       ip_irdp_holdtime_cmd,
+       "ip irdp holdtime <0-9000>",
+       IP_STR
+       "ICMP Router discovery on this interface\n"
+       "Set holdtime value\n"
+       "Holdtime value in seconds. Default is 1800 seconds\n")
+{
+  struct interface *ifp;
+  struct zebra_if *zi;
+  struct irdp_interface *irdp;
+  ifp = (struct interface *) vty->index;
+  if(!ifp) {
+	  return CMD_WARNING;
+  }
+
+  zi=ifp->info;
+  irdp=&zi->irdp;
+
+  irdp->Lifetime = atoi(argv[0]);
+  return CMD_SUCCESS;
+}
+
+DEFUN (ip_irdp_minadvertinterval,
+       ip_irdp_minadvertinterval_cmd,
+       "ip irdp minadvertinterval <3-1800>",
+       IP_STR
+       "ICMP Router discovery on this interface\n"
+       "Set minimum time between advertisement\n"
+       "Minimum advertisement interval in seconds\n")
+{
+  struct interface *ifp;
+  struct zebra_if *zi;
+  struct irdp_interface *irdp;
+  ifp = (struct interface *) vty->index;
+  if(!ifp) {
+	  return CMD_WARNING;
+  }
+
+  zi=ifp->info;
+  irdp=&zi->irdp;
+
+  if( atoi(argv[0]) <= irdp->MaxAdvertInterval) {
+      irdp->MinAdvertInterval = atoi(argv[0]);
+
+      return CMD_SUCCESS;
+  }
+
+  vty_out (vty, "ICMP warning maxadvertinterval is greater or equal than minadvertinterval%s", 
+	     VTY_NEWLINE);
+
+  vty_out (vty, "Please correct!%s", 
+	     VTY_NEWLINE);
+  return CMD_WARNING;
+}
+
+DEFUN (ip_irdp_maxadvertinterval,
+       ip_irdp_maxadvertinterval_cmd,
+       "ip irdp maxadvertinterval <4-1800>",
+       IP_STR
+       "ICMP Router discovery on this interface\n"
+       "Set maximum time between advertisement\n"
+       "Maximum advertisement interval in seconds\n")
+{
+  struct interface *ifp;
+  struct zebra_if *zi;
+  struct irdp_interface *irdp;
+  ifp = (struct interface *) vty->index;
+  if(!ifp) {
+	  return CMD_WARNING;
+  }
+
+  zi=ifp->info;
+  irdp=&zi->irdp;
+
+
+  if( irdp->MinAdvertInterval <= atoi(argv[0]) ) {
+    irdp->MaxAdvertInterval = atoi(argv[0]);
+
+      return CMD_SUCCESS;
+  }
+
+  vty_out (vty, "ICMP warning maxadvertinterval is greater or equal than minadvertinterval%s", 
+	     VTY_NEWLINE);
+
+  vty_out (vty, "Please correct!%s", 
+	     VTY_NEWLINE);
+  return CMD_WARNING;
+}
+
+DEFUN (ip_irdp_preference,
+       ip_irdp_preference_cmd,
+
+       /* DEFUN needs to be fixed for negative ranages...
+	  Be positive for now. :-)
+
+	  "ip irdp preference <-2147483648-2147483647>",
+	*/
+
+
+       "ip irdp preference <0-2147483647>",
+       IP_STR
+       "ICMP Router discovery on this interface\n"
+       "Set default preference level for this interface\n"
+       "Preference level\n")
+{
+  struct interface *ifp;
+  struct zebra_if *zi;
+  struct irdp_interface *irdp;
+  ifp = (struct interface *) vty->index;
+  if(!ifp) {
+	  return CMD_WARNING;
+  }
+
+  zi=ifp->info;
+  irdp=&zi->irdp;
+
+  irdp->Preference = atoi(argv[0]);
+  return CMD_SUCCESS;
+}
+
+DEFUN (ip_irdp_address_preference,
+       ip_irdp_address_preference_cmd,
+       "ip irdp address A.B.C.D preference <0-2147483647>",
+       IP_STR
+       "Alter ICMP Router discovery preference this interface\n"
+       "Specify IRDP non-default preference to advertise\n"
+       "Set IRDP address for advertise\n"
+       "Preference level\n")
+{
+  listnode node;
+  struct in_addr ip; 
+  int pref;
+  int ret;
+  struct interface *ifp;
+  struct zebra_if *zi;
+  struct irdp_interface *irdp;
+  struct Adv *adv;
+
+  ifp = (struct interface *) vty->index;
+  if(!ifp) {
+	  return CMD_WARNING;
+  }
+
+  zi=ifp->info;
+  irdp=&zi->irdp;
+
+  ret = inet_aton(argv[0], &ip);
+  if(!ret) return CMD_WARNING;
+
+  pref = atoi(argv[1]);
+
+  for (node = listhead (irdp->AdvPrefList); node; nextnode (node)) {
+	  adv = getdata (node);
+      if(adv->ip.s_addr == ip.s_addr) return CMD_SUCCESS;
+  }
+
+  adv = Adv_new();
+  adv->ip = ip;
+  adv->pref = pref;
+  listnode_add(irdp->AdvPrefList, adv);
+
+  return CMD_SUCCESS;
+
+}
+
+DEFUN (ip_irdp_address_preference_no,
+       ip_irdp_address_preference_cmd_no,
+       "no ip irdp address A.B.C.D preference <0-2147483647>",
+       IP_STR
+       "Alter ICMP Router discovery preference this interface\n"
+       "Removes IRDP non-default preference\n"
+       "Select IRDP address\n"
+       "Old preference level\n")
+{
+  listnode node;
+  struct in_addr ip; 
+  int pref;
+  int ret;
+  struct interface *ifp;
+  struct zebra_if *zi;
+  struct irdp_interface *irdp;
+  struct Adv *adv;
+
+  ifp = (struct interface *) vty->index;
+  if(!ifp) {
+	  return CMD_WARNING;
+  }
+
+  zi=ifp->info;
+  irdp=&zi->irdp;
+
+  ret = inet_aton(argv[0], &ip);
+  if(!ret) return CMD_WARNING;
+
+  pref = atoi(argv[1]);
+
+  for (node = listhead (irdp->AdvPrefList); node; nextnode (node)) {
+	  adv = getdata (node);
+	  if(adv->ip.s_addr == ip.s_addr ) {
+		  listnode_delete(irdp->AdvPrefList, adv);
+		  break;
+	  }
+  }
+
+  return CMD_SUCCESS;
+
+
+}
+
+DEFUN (ip_irdp_debug_messages,
+       ip_irdp_debug_messages_cmd,
+       "ip irdp debug messages",
+       IP_STR
+       "ICMP Router discovery debug Averts. and Solicits (short)\n")
+{
+  struct interface *ifp;
+  struct zebra_if *zi;
+  struct irdp_interface *irdp;
+  ifp = (struct interface *) vty->index;
+  if(!ifp) {
+	  return CMD_WARNING;
+  }
+
+  zi=ifp->info;
+  irdp=&zi->irdp;
+
+  irdp->flags |= IF_DEBUG_MESSAGES;
+
+  return CMD_SUCCESS;
+}
+
+DEFUN (ip_irdp_debug_misc,
+       ip_irdp_debug_misc_cmd,
+       "ip irdp debug misc",
+       IP_STR
+       "ICMP Router discovery debug Averts. and Solicits (short)\n")
+{
+  struct interface *ifp;
+  struct zebra_if *zi;
+  struct irdp_interface *irdp;
+  ifp = (struct interface *) vty->index;
+  if(!ifp) {
+	  return CMD_WARNING;
+  }
+
+  zi=ifp->info;
+  irdp=&zi->irdp;
+
+  irdp->flags |= IF_DEBUG_MISC;
+
+  return CMD_SUCCESS;
+}
+
+DEFUN (ip_irdp_debug_packet,
+       ip_irdp_debug_packet_cmd,
+       "ip irdp debug packet",
+       IP_STR
+       "ICMP Router discovery debug Averts. and Solicits (short)\n")
+{
+  struct interface *ifp;
+  struct zebra_if *zi;
+  struct irdp_interface *irdp;
+  ifp = (struct interface *) vty->index;
+  if(!ifp) {
+	  return CMD_WARNING;
+  }
+
+  zi=ifp->info;
+  irdp=&zi->irdp;
+
+  irdp->flags |= IF_DEBUG_PACKET;
+
+  return CMD_SUCCESS;
+}
+
+
+DEFUN (ip_irdp_debug_disable,
+       ip_irdp_debug_disable_cmd,
+       "ip irdp debug disable",
+       IP_STR
+       "ICMP Router discovery debug Averts. and Solicits (short)\n")
+{
+  struct interface *ifp;
+  struct zebra_if *zi;
+  struct irdp_interface *irdp;
+  ifp = (struct interface *) vty->index;
+  if(!ifp) {
+	  return CMD_WARNING;
+  }
+
+  zi=ifp->info;
+  irdp=&zi->irdp;
+
+  irdp->flags &= ~IF_DEBUG_PACKET;
+  irdp->flags &= ~IF_DEBUG_MESSAGES;
+  irdp->flags &= ~IF_DEBUG_MISC;
+
+  return CMD_SUCCESS;
+}
+
+void
+irdp_if_init ()
+{
+  install_element (INTERFACE_NODE, &ip_irdp_broadcast_cmd);
+  install_element (INTERFACE_NODE, &ip_irdp_multicast_cmd);
+  install_element (INTERFACE_NODE, &ip_irdp_cmd_no);
+  install_element (INTERFACE_NODE, &ip_irdp_shutdown_cmd);
+  install_element (INTERFACE_NODE, &ip_irdp_no_shutdown_cmd);
+  install_element (INTERFACE_NODE, &ip_irdp_holdtime_cmd);
+  install_element (INTERFACE_NODE, &ip_irdp_maxadvertinterval_cmd);
+  install_element (INTERFACE_NODE, &ip_irdp_minadvertinterval_cmd);
+  install_element (INTERFACE_NODE, &ip_irdp_preference_cmd);
+  install_element (INTERFACE_NODE, &ip_irdp_address_preference_cmd);
+  install_element (INTERFACE_NODE, &ip_irdp_address_preference_cmd_no);
+
+  install_element (INTERFACE_NODE, &ip_irdp_debug_messages_cmd);
+  install_element (INTERFACE_NODE, &ip_irdp_debug_misc_cmd);
+  install_element (INTERFACE_NODE, &ip_irdp_debug_packet_cmd);
+  install_element (INTERFACE_NODE, &ip_irdp_debug_disable_cmd);
+}
+
+#endif /* HAVE_IRDP */