[mirror_frr.git] / eigrpd / eigrp_filter.c

/*
 * EIGRP Filter Functions.
 * Copyright (C) 2013-2015
 * Authors:
 *   Donnie Savage
 *   Jan Janovic
 *   Matej Perina
 *   Peter Orsag
 *   Peter Paluch
 *   Frantisek Gazo
 *   Tomas Hvorkovy
 *   Martin Kontsek
 *   Lukas Koribsky
 *
 *
 * 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 this program; see the file COPYING; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <zebra.h>

#include "if.h"
#include "command.h"
#include "prefix.h"
#include "table.h"
#include "thread.h"
#include "memory.h"
#include "log.h"
#include "stream.h"
#include "filter.h"
#include "sockunion.h"
#include "sockopt.h"
#include "routemap.h"
#include "if_rmap.h"
#include "plist.h"
#include "distribute.h"
#include "md5.h"
#include "keychain.h"
#include "privs.h"
#include "vrf.h"

#include "eigrpd/eigrp_structs.h"
#include "eigrpd/eigrpd.h"
#include "eigrpd/eigrp_const.h"
#include "eigrpd/eigrp_filter.h"
#include "eigrpd/eigrp_packet.h"
#include "eigrpd/eigrp_memory.h"

/*
 * Distribute-list update functions.
 */
void eigrp_distribute_update(struct distribute *dist)
{
	struct interface *ifp;
	struct eigrp_interface *ei = NULL;
	struct access_list *alist;
	struct prefix_list *plist;
	// struct route_map *routemap;
	struct eigrp *e;

	/* if no interface address is present, set list to eigrp process struct
	 */
	e = eigrp_lookup();
	assert(e != NULL);

	/* Check if distribute-list was set for process or interface */
	if (!dist->ifname) {
		/* access list IN for whole process */
		if (dist->list[DISTRIBUTE_V4_IN]) {
			alist = access_list_lookup(
				AFI_IP, dist->list[DISTRIBUTE_V4_IN]);
			if (alist)
				e->list[EIGRP_FILTER_IN] = alist;
			else
				e->list[EIGRP_FILTER_IN] = NULL;
		} else {
			e->list[EIGRP_FILTER_IN] = NULL;
		}

		/* access list OUT for whole process */
		if (dist->list[DISTRIBUTE_V4_OUT]) {
			alist = access_list_lookup(
				AFI_IP, dist->list[DISTRIBUTE_V4_OUT]);
			if (alist)
				e->list[EIGRP_FILTER_OUT] = alist;
			else
				e->list[EIGRP_FILTER_OUT] = NULL;
		} else {
			e->list[EIGRP_FILTER_OUT] = NULL;
		}

		/* PREFIX_LIST IN for process */
		if (dist->prefix[DISTRIBUTE_V4_IN]) {
			plist = prefix_list_lookup(
				AFI_IP, dist->prefix[DISTRIBUTE_V4_IN]);
			if (plist) {
				e->prefix[EIGRP_FILTER_IN] = plist;
			} else
				e->prefix[EIGRP_FILTER_IN] = NULL;
		} else
			e->prefix[EIGRP_FILTER_IN] = NULL;

		/* PREFIX_LIST OUT for process */
		if (dist->prefix[DISTRIBUTE_V4_OUT]) {
			plist = prefix_list_lookup(
				AFI_IP, dist->prefix[DISTRIBUTE_V4_OUT]);
			if (plist) {
				e->prefix[EIGRP_FILTER_OUT] = plist;

			} else
				e->prefix[EIGRP_FILTER_OUT] = NULL;
		} else
			e->prefix[EIGRP_FILTER_OUT] = NULL;

// This is commented out, because the distribute.[ch] code
// changes looked poorly written from first glance
// commit was 133bdf2d
// TODO: DBS
#if 0
      /* route-map IN for whole process */
      if (dist->route[DISTRIBUTE_V4_IN])
        {
          routemap = route_map_lookup_by_name (dist->route[DISTRIBUTE_V4_IN]);
          if (routemap)
            e->routemap[EIGRP_FILTER_IN] = routemap;
          else
            e->routemap[EIGRP_FILTER_IN] = NULL;
        }
      else
        {
          e->routemap[EIGRP_FILTER_IN] = NULL;
        }

      /* route-map OUT for whole process */
      if (dist->route[DISTRIBUTE_V4_OUT])
        {
          routemap = route_map_lookup_by_name (dist->route[DISTRIBUTE_V4_OUT]);
          if (routemap)
            e->routemap[EIGRP_FILTER_OUT] = routemap;
          else
            e->routemap[EIGRP_FILTER_OUT] = NULL;
        }
      else
        {
          e->routemap[EIGRP_FILTER_OUT] = NULL;
        }
#endif
		// TODO: check Graceful restart after 10sec

		/* check if there is already GR scheduled */
		if (e->t_distribute != NULL) {
			/* if is, cancel schedule */
			thread_cancel(e->t_distribute);
		}
		/* schedule Graceful restart for whole process in 10sec */
		e->t_distribute = NULL;
		thread_add_timer(master, eigrp_distribute_timer_process, e,
				 (10), &e->t_distribute);

		return;
	}

	ifp = if_lookup_by_name(dist->ifname, VRF_DEFAULT);
	if (ifp == NULL)
		return;

	/*struct eigrp_if_info * info = ifp->info;
	ei = info->eigrp_interface;*/
	struct listnode *node, *nnode;
	struct eigrp_interface *ei2;
	/* Find proper interface */
	for (ALL_LIST_ELEMENTS(e->eiflist, node, nnode, ei2)) {
		if (strcmp(ei2->ifp->name, ifp->name) == 0) {
			ei = ei2;
			break;
		}
	}
	assert(ei != NULL);

	/* Access-list for interface in */
	if (dist->list[DISTRIBUTE_V4_IN]) {
		alist = access_list_lookup(AFI_IP,
					   dist->list[DISTRIBUTE_V4_IN]);
		if (alist) {
			ei->list[EIGRP_FILTER_IN] = alist;
		} else
			ei->list[EIGRP_FILTER_IN] = NULL;
	} else {
		ei->list[EIGRP_FILTER_IN] = NULL;
	}

	/* Access-list for interface in */
	if (dist->list[DISTRIBUTE_V4_OUT]) {
		alist = access_list_lookup(AFI_IP,
					   dist->list[DISTRIBUTE_V4_OUT]);
		if (alist)
			ei->list[EIGRP_FILTER_OUT] = alist;
		else
			ei->list[EIGRP_FILTER_OUT] = NULL;

	} else
		ei->list[EIGRP_FILTER_OUT] = NULL;

	/* Prefix-list for interface in */
	if (dist->prefix[DISTRIBUTE_V4_IN]) {
		plist = prefix_list_lookup(AFI_IP,
					   dist->prefix[DISTRIBUTE_V4_IN]);
		if (plist)
			ei->prefix[EIGRP_FILTER_IN] = plist;
		else
			ei->prefix[EIGRP_FILTER_IN] = NULL;
	} else
		ei->prefix[EIGRP_FILTER_IN] = NULL;

	/* Prefix-list for interface out */
	if (dist->prefix[DISTRIBUTE_V4_OUT]) {
		plist = prefix_list_lookup(AFI_IP,
					   dist->prefix[DISTRIBUTE_V4_OUT]);
		if (plist)
			ei->prefix[EIGRP_FILTER_OUT] = plist;
		else
			ei->prefix[EIGRP_FILTER_OUT] = NULL;
	} else
		ei->prefix[EIGRP_FILTER_OUT] = NULL;

#if 0
  /* route-map IN for whole process */
  if (dist->route[DISTRIBUTE_V4_IN])
    {
      zlog_info("<DEBUG ACL ALL in");
      routemap = route_map_lookup_by_name (dist->route[DISTRIBUTE_V4_IN]);
      if (routemap)
        ei->routemap[EIGRP_FILTER_IN] = routemap;
      else
        ei->routemap[EIGRP_FILTER_IN] = NULL;
    }
  else
    {
      ei->routemap[EIGRP_FILTER_IN] = NULL;
    }

  /* route-map OUT for whole process */
  if (dist->route[DISTRIBUTE_V4_OUT])
    {
      routemap = route_map_lookup_by_name (dist->route[DISTRIBUTE_V4_OUT]);
      if (routemap)
        ei->routemap[EIGRP_FILTER_OUT] = routemap;
      else
        ei->routemap[EIGRP_FILTER_OUT] = NULL;
    }
  else
    {
      ei->routemap[EIGRP_FILTER_OUT] = NULL;
    }
#endif
	// TODO: check Graceful restart after 10sec

	/* check if there is already GR scheduled */
	if (ei->t_distribute != NULL) {
		/* if is, cancel schedule */
		thread_cancel(ei->t_distribute);
	}
	/* schedule Graceful restart for interface in 10sec */
	e->t_distribute = NULL;
	thread_add_timer(master, eigrp_distribute_timer_interface, ei, 10,
			 &e->t_distribute);
}

/*
 * Function called by prefix-list and access-list update
 */
void eigrp_distribute_update_interface(struct interface *ifp)
{
	struct distribute *dist;

	dist = distribute_lookup(ifp->name);
	if (dist)
		eigrp_distribute_update(dist);
}

/* Update all interface's distribute list.
 * Function used in hook for prefix-list
 */
void eigrp_distribute_update_all(struct prefix_list *notused)
{
	struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
	struct interface *ifp;

	FOR_ALL_INTERFACES (vrf, ifp)
		eigrp_distribute_update_interface(ifp);
}

/*
 * Function used in hook for acces-list
 */
void eigrp_distribute_update_all_wrapper(struct access_list *notused)
{
	eigrp_distribute_update_all(NULL);
}

/*
 * @fn eigrp_distribute_timer_process
 *
 * @param[in]   thread  current execution thread timer is associated with
 *
 * @return int  always returns 0
 *
 * @par
 * Called when 10sec waiting time expire and
 * executes Graceful restart for whole process
 */
int eigrp_distribute_timer_process(struct thread *thread)
{
	struct eigrp *eigrp;

	eigrp = THREAD_ARG(thread);
	eigrp->t_distribute = NULL;

	/* execute GR for whole process */
	eigrp_update_send_process_GR(eigrp, EIGRP_GR_FILTER, NULL);

	return 0;
}

/*
 * @fn eigrp_distribute_timer_interface
 *
 * @param[in]   thread  current execution thread timer is associated with
 *
 * @return int  always returns 0
 *
 * @par
 * Called when 10sec waiting time expire and
 * executes Graceful restart for interface
 */
int eigrp_distribute_timer_interface(struct thread *thread)
{
	struct eigrp_interface *ei;

	ei = THREAD_ARG(thread);
	ei->t_distribute = NULL;

	/* execute GR for interface */
	eigrp_update_send_interface_GR(ei, EIGRP_GR_FILTER, NULL);

	return 0;
}
Commit	Line	Data
7f57883e DS	1	/*
	2	* EIGRP Filter Functions.
	3	* Copyright (C) 2013-2015
	4	* Authors:
	5	* Donnie Savage
	6	* Jan Janovic
	7	* Matej Perina
	8	* Peter Orsag
	9	* Peter Paluch
	10	* Frantisek Gazo
	11	* Tomas Hvorkovy
	12	* Martin Kontsek
	13	* Lukas Koribsky
	14	*
	15	*
	16	* This file is part of GNU Zebra.
	17	*
	18	* GNU Zebra is free software; you can redistribute it and/or modify it
	19	* under the terms of the GNU General Public License as published by the
	20	* Free Software Foundation; either version 2, or (at your option) any
	21	* later version.
	22	*
	23	* GNU Zebra is distributed in the hope that it will be useful, but
	24	* WITHOUT ANY WARRANTY; without even the implied warranty of
	25	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	26	* General Public License for more details.
	27	*
896014f4 DL	28	* You should have received a copy of the GNU General Public License along
	29	* with this program; see the file COPYING; if not, write to the Free Software
	30	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
7f57883e DS	31	*/
	32
	33	#include <zebra.h>
	34
	35	#include "if.h"
	36	#include "command.h"
	37	#include "prefix.h"
	38	#include "table.h"
	39	#include "thread.h"
	40	#include "memory.h"
	41	#include "log.h"
	42	#include "stream.h"
	43	#include "filter.h"
	44	#include "sockunion.h"
	45	#include "sockopt.h"
	46	#include "routemap.h"
	47	#include "if_rmap.h"
	48	#include "plist.h"
	49	#include "distribute.h"
	50	#include "md5.h"
	51	#include "keychain.h"
	52	#include "privs.h"
	53	#include "vrf.h"
	54
	55	#include "eigrpd/eigrp_structs.h"
	56	#include "eigrpd/eigrpd.h"
	57	#include "eigrpd/eigrp_const.h"
	58	#include "eigrpd/eigrp_filter.h"
	59	#include "eigrpd/eigrp_packet.h"
	60	#include "eigrpd/eigrp_memory.h"
	61
	62	/*
	63	* Distribute-list update functions.
	64	*/
d62a17ae	65	void eigrp_distribute_update(struct distribute *dist)
7f57883e	66	{
d62a17ae	67	struct interface *ifp;
	68	struct eigrp_interface *ei = NULL;
	69	struct access_list *alist;
	70	struct prefix_list *plist;
	71	// struct route_map *routemap;
	72	struct eigrp *e;
	73
	74	/* if no interface address is present, set list to eigrp process struct
	75	*/
	76	e = eigrp_lookup();
939a62a5	77	assert(e != NULL);
d62a17ae	78
	79	/* Check if distribute-list was set for process or interface */
	80	if (!dist->ifname) {
	81	/* access list IN for whole process */
	82	if (dist->list[DISTRIBUTE_V4_IN]) {
	83	alist = access_list_lookup(
	84	AFI_IP, dist->list[DISTRIBUTE_V4_IN]);
	85	if (alist)
	86	e->list[EIGRP_FILTER_IN] = alist;
	87	else
	88	e->list[EIGRP_FILTER_IN] = NULL;
	89	} else {
	90	e->list[EIGRP_FILTER_IN] = NULL;
	91	}
	92
	93	/* access list OUT for whole process */
	94	if (dist->list[DISTRIBUTE_V4_OUT]) {
	95	alist = access_list_lookup(
	96	AFI_IP, dist->list[DISTRIBUTE_V4_OUT]);
	97	if (alist)
	98	e->list[EIGRP_FILTER_OUT] = alist;
	99	else
	100	e->list[EIGRP_FILTER_OUT] = NULL;
	101	} else {
	102	e->list[EIGRP_FILTER_OUT] = NULL;
	103	}
	104
	105	/* PREFIX_LIST IN for process */
	106	if (dist->prefix[DISTRIBUTE_V4_IN]) {
	107	plist = prefix_list_lookup(
	108	AFI_IP, dist->prefix[DISTRIBUTE_V4_IN]);
	109	if (plist) {
	110	e->prefix[EIGRP_FILTER_IN] = plist;
	111	} else
	112	e->prefix[EIGRP_FILTER_IN] = NULL;
	113	} else
	114	e->prefix[EIGRP_FILTER_IN] = NULL;
	115
	116	/* PREFIX_LIST OUT for process */
	117	if (dist->prefix[DISTRIBUTE_V4_OUT]) {
	118	plist = prefix_list_lookup(
	119	AFI_IP, dist->prefix[DISTRIBUTE_V4_OUT]);
	120	if (plist) {
	121	e->prefix[EIGRP_FILTER_OUT] = plist;
	122
	123	} else
	124	e->prefix[EIGRP_FILTER_OUT] = NULL;
	125	} else
	126	e->prefix[EIGRP_FILTER_OUT] = NULL;
	127
	128	// This is commented out, because the distribute.[ch] code
	129	// changes looked poorly written from first glance
	130	// commit was 133bdf2d
	131	// TODO: DBS
7f57883e	132	#if 0
f9e5c9ca DS	133	/* route-map IN for whole process */
	134	if (dist->route[DISTRIBUTE_V4_IN])
	135	{
	136	routemap = route_map_lookup_by_name (dist->route[DISTRIBUTE_V4_IN]);
	137	if (routemap)
	138	e->routemap[EIGRP_FILTER_IN] = routemap;
	139	else
	140	e->routemap[EIGRP_FILTER_IN] = NULL;
	141	}
	142	else
	143	{
	144	e->routemap[EIGRP_FILTER_IN] = NULL;
	145	}
	146
	147	/* route-map OUT for whole process */
	148	if (dist->route[DISTRIBUTE_V4_OUT])
	149	{
	150	routemap = route_map_lookup_by_name (dist->route[DISTRIBUTE_V4_OUT]);
	151	if (routemap)
	152	e->routemap[EIGRP_FILTER_OUT] = routemap;
	153	else
	154	e->routemap[EIGRP_FILTER_OUT] = NULL;
	155	}
	156	else
	157	{
	158	e->routemap[EIGRP_FILTER_OUT] = NULL;
	159	}
7f57883e	160	#endif
d62a17ae	161	// TODO: check Graceful restart after 10sec
	162
	163	/* check if there is already GR scheduled */
	164	if (e->t_distribute != NULL) {
	165	/* if is, cancel schedule */
	166	thread_cancel(e->t_distribute);
	167	}
	168	/* schedule Graceful restart for whole process in 10sec */
	169	e->t_distribute = NULL;
	170	thread_add_timer(master, eigrp_distribute_timer_process, e,
	171	(10), &e->t_distribute);
	172
	173	return;
	174	}
	175
	176	ifp = if_lookup_by_name(dist->ifname, VRF_DEFAULT);
	177	if (ifp == NULL)
	178	return;
	179
	180	/struct eigrp_if_info info = ifp->info;
	181	ei = info->eigrp_interface;*/
	182	struct listnode node, nnode;
	183	struct eigrp_interface *ei2;
	184	/* Find proper interface */
	185	for (ALL_LIST_ELEMENTS(e->eiflist, node, nnode, ei2)) {
	186	if (strcmp(ei2->ifp->name, ifp->name) == 0) {
	187	ei = ei2;
	188	break;
	189	}
	190	}
85bbc95d	191	assert(ei != NULL);
d62a17ae	192
	193	/* Access-list for interface in */
	194	if (dist->list[DISTRIBUTE_V4_IN]) {
	195	alist = access_list_lookup(AFI_IP,
	196	dist->list[DISTRIBUTE_V4_IN]);
	197	if (alist) {
	198	ei->list[EIGRP_FILTER_IN] = alist;
	199	} else
	200	ei->list[EIGRP_FILTER_IN] = NULL;
	201	} else {
	202	ei->list[EIGRP_FILTER_IN] = NULL;
	203	}
	204
	205	/* Access-list for interface in */
	206	if (dist->list[DISTRIBUTE_V4_OUT]) {
	207	alist = access_list_lookup(AFI_IP,
	208	dist->list[DISTRIBUTE_V4_OUT]);
	209	if (alist)
	210	ei->list[EIGRP_FILTER_OUT] = alist;
	211	else
	212	ei->list[EIGRP_FILTER_OUT] = NULL;
	213
	214	} else
	215	ei->list[EIGRP_FILTER_OUT] = NULL;
	216
	217	/* Prefix-list for interface in */
	218	if (dist->prefix[DISTRIBUTE_V4_IN]) {
	219	plist = prefix_list_lookup(AFI_IP,
	220	dist->prefix[DISTRIBUTE_V4_IN]);
	221	if (plist)
	222	ei->prefix[EIGRP_FILTER_IN] = plist;
	223	else
	224	ei->prefix[EIGRP_FILTER_IN] = NULL;
	225	} else
	226	ei->prefix[EIGRP_FILTER_IN] = NULL;
	227
	228	/* Prefix-list for interface out */
	229	if (dist->prefix[DISTRIBUTE_V4_OUT]) {
	230	plist = prefix_list_lookup(AFI_IP,
	231	dist->prefix[DISTRIBUTE_V4_OUT]);
	232	if (plist)
	233	ei->prefix[EIGRP_FILTER_OUT] = plist;
	234	else
	235	ei->prefix[EIGRP_FILTER_OUT] = NULL;
	236	} else
	237	ei->prefix[EIGRP_FILTER_OUT] = NULL;
7f57883e DS	238
	239	#if 0
	240	/* route-map IN for whole process */
	241	if (dist->route[DISTRIBUTE_V4_IN])
f9e5c9ca DS	242	{
	243	zlog_info("<DEBUG ACL ALL in");
	244	routemap = route_map_lookup_by_name (dist->route[DISTRIBUTE_V4_IN]);
	245	if (routemap)
	246	ei->routemap[EIGRP_FILTER_IN] = routemap;
	247	else
	248	ei->routemap[EIGRP_FILTER_IN] = NULL;
	249	}
7f57883e	250	else
f9e5c9ca DS	251	{
	252	ei->routemap[EIGRP_FILTER_IN] = NULL;
	253	}
7f57883e DS	254
	255	/* route-map OUT for whole process */
	256	if (dist->route[DISTRIBUTE_V4_OUT])
f9e5c9ca DS	257	{
	258	routemap = route_map_lookup_by_name (dist->route[DISTRIBUTE_V4_OUT]);
	259	if (routemap)
	260	ei->routemap[EIGRP_FILTER_OUT] = routemap;
	261	else
	262	ei->routemap[EIGRP_FILTER_OUT] = NULL;
	263	}
7f57883e	264	else
f9e5c9ca DS	265	{
	266	ei->routemap[EIGRP_FILTER_OUT] = NULL;
	267	}
7f57883e	268	#endif
d62a17ae	269	// TODO: check Graceful restart after 10sec
	270
	271	/* check if there is already GR scheduled */
	272	if (ei->t_distribute != NULL) {
	273	/* if is, cancel schedule */
	274	thread_cancel(ei->t_distribute);
	275	}
	276	/* schedule Graceful restart for interface in 10sec */
	277	e->t_distribute = NULL;
	278	thread_add_timer(master, eigrp_distribute_timer_interface, ei, 10,
	279	&e->t_distribute);
7f57883e DS	280	}
	281
	282	/*
	283	* Function called by prefix-list and access-list update
	284	*/
d62a17ae	285	void eigrp_distribute_update_interface(struct interface *ifp)
7f57883e	286	{
d62a17ae	287	struct distribute *dist;
7f57883e	288
d62a17ae	289	dist = distribute_lookup(ifp->name);
	290	if (dist)
	291	eigrp_distribute_update(dist);
7f57883e DS	292	}
	293
	294	/* Update all interface's distribute list.
	295	* Function used in hook for prefix-list
	296	*/
d62a17ae	297	void eigrp_distribute_update_all(struct prefix_list *notused)
7f57883e	298	{
f4e14fdb	299	struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT);
d62a17ae	300	struct interface *ifp;
7f57883e	301
451fda4f	302	FOR_ALL_INTERFACES (vrf, ifp)
d62a17ae	303	eigrp_distribute_update_interface(ifp);
7f57883e DS	304	}
	305
	306	/*
	307	* Function used in hook for acces-list
	308	*/
d62a17ae	309	void eigrp_distribute_update_all_wrapper(struct access_list *notused)
7f57883e	310	{
d62a17ae	311	eigrp_distribute_update_all(NULL);
7f57883e DS	312	}
	313
	314	/*
	315	* @fn eigrp_distribute_timer_process
	316	*
f9e5c9ca	317	* @param[in] thread current execution thread timer is associated with
7f57883e	318	*
f9e5c9ca	319	* @return int always returns 0
7f57883e DS	320	*
	321	* @par
	322	* Called when 10sec waiting time expire and
	323	* executes Graceful restart for whole process
	324	*/
d62a17ae	325	int eigrp_distribute_timer_process(struct thread *thread)
7f57883e	326	{
d62a17ae	327	struct eigrp *eigrp;
7f57883e	328
d62a17ae	329	eigrp = THREAD_ARG(thread);
d62a17ae	330	eigrp->t_distribute = NULL;
7f57883e	331
d62a17ae	332	/* execute GR for whole process */
d62a17ae	333	eigrp_update_send_process_GR(eigrp, EIGRP_GR_FILTER, NULL);
7f57883e	334
d62a17ae	335	return 0;
7f57883e DS	336	}
	337
	338	/*
	339	* @fn eigrp_distribute_timer_interface
	340	*
f9e5c9ca	341	* @param[in] thread current execution thread timer is associated with
7f57883e	342	*
f9e5c9ca	343	* @return int always returns 0
7f57883e DS	344	*
	345	* @par
	346	* Called when 10sec waiting time expire and
	347	* executes Graceful restart for interface
	348	*/
d62a17ae	349	int eigrp_distribute_timer_interface(struct thread *thread)
7f57883e	350	{
d62a17ae	351	struct eigrp_interface *ei;
7f57883e	352
d62a17ae	353	ei = THREAD_ARG(thread);
d62a17ae	354	ei->t_distribute = NULL;
7f57883e	355
d62a17ae	356	/* execute GR for interface */
d62a17ae	357	eigrp_update_send_interface_GR(ei, EIGRP_GR_FILTER, NULL);
7f57883e	358
d62a17ae	359	return 0;
7f57883e	360	}