[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();

	/* 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 interface *ifp;
	struct listnode *node, *nnode;

	for (ALL_LIST_ELEMENTS(vrf_iflist(VRF_DEFAULT), node, nnode, 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();
	77
	78	/* Check if distribute-list was set for process or interface */
	79	if (!dist->ifname) {
	80	/* access list IN for whole process */
	81	if (dist->list[DISTRIBUTE_V4_IN]) {
	82	alist = access_list_lookup(
	83	AFI_IP, dist->list[DISTRIBUTE_V4_IN]);
	84	if (alist)
	85	e->list[EIGRP_FILTER_IN] = alist;
	86	else
	87	e->list[EIGRP_FILTER_IN] = NULL;
	88	} else {
	89	e->list[EIGRP_FILTER_IN] = NULL;
	90	}
	91
	92	/* access list OUT for whole process */
	93	if (dist->list[DISTRIBUTE_V4_OUT]) {
	94	alist = access_list_lookup(
	95	AFI_IP, dist->list[DISTRIBUTE_V4_OUT]);
	96	if (alist)
	97	e->list[EIGRP_FILTER_OUT] = alist;
	98	else
	99	e->list[EIGRP_FILTER_OUT] = NULL;
	100	} else {
	101	e->list[EIGRP_FILTER_OUT] = NULL;
	102	}
	103
	104	/* PREFIX_LIST IN for process */
	105	if (dist->prefix[DISTRIBUTE_V4_IN]) {
	106	plist = prefix_list_lookup(
	107	AFI_IP, dist->prefix[DISTRIBUTE_V4_IN]);
	108	if (plist) {
	109	e->prefix[EIGRP_FILTER_IN] = plist;
	110	} else
	111	e->prefix[EIGRP_FILTER_IN] = NULL;
	112	} else
	113	e->prefix[EIGRP_FILTER_IN] = NULL;
	114
	115	/* PREFIX_LIST OUT for process */
	116	if (dist->prefix[DISTRIBUTE_V4_OUT]) {
	117	plist = prefix_list_lookup(
	118	AFI_IP, dist->prefix[DISTRIBUTE_V4_OUT]);
	119	if (plist) {
	120	e->prefix[EIGRP_FILTER_OUT] = plist;
	121
	122	} else
	123	e->prefix[EIGRP_FILTER_OUT] = NULL;
	124	} else
	125	e->prefix[EIGRP_FILTER_OUT] = NULL;
	126
	127	// This is commented out, because the distribute.[ch] code
	128	// changes looked poorly written from first glance
	129	// commit was 133bdf2d
	130	// TODO: DBS
7f57883e	131	#if 0
f9e5c9ca DS	132	/* route-map IN for whole process */
	133	if (dist->route[DISTRIBUTE_V4_IN])
	134	{
	135	routemap = route_map_lookup_by_name (dist->route[DISTRIBUTE_V4_IN]);
	136	if (routemap)
	137	e->routemap[EIGRP_FILTER_IN] = routemap;
	138	else
	139	e->routemap[EIGRP_FILTER_IN] = NULL;
	140	}
	141	else
	142	{
	143	e->routemap[EIGRP_FILTER_IN] = NULL;
	144	}
	145
	146	/* route-map OUT for whole process */
	147	if (dist->route[DISTRIBUTE_V4_OUT])
	148	{
	149	routemap = route_map_lookup_by_name (dist->route[DISTRIBUTE_V4_OUT]);
	150	if (routemap)
	151	e->routemap[EIGRP_FILTER_OUT] = routemap;
	152	else
	153	e->routemap[EIGRP_FILTER_OUT] = NULL;
	154	}
	155	else
	156	{
	157	e->routemap[EIGRP_FILTER_OUT] = NULL;
	158	}
7f57883e	159	#endif
d62a17ae	160	// TODO: check Graceful restart after 10sec
	161
	162	/* check if there is already GR scheduled */
	163	if (e->t_distribute != NULL) {
	164	/* if is, cancel schedule */
	165	thread_cancel(e->t_distribute);
	166	}
	167	/* schedule Graceful restart for whole process in 10sec */
	168	e->t_distribute = NULL;
	169	thread_add_timer(master, eigrp_distribute_timer_process, e,
	170	(10), &e->t_distribute);
	171
	172	return;
	173	}
	174
	175	ifp = if_lookup_by_name(dist->ifname, VRF_DEFAULT);
	176	if (ifp == NULL)
	177	return;
	178
	179	/struct eigrp_if_info info = ifp->info;
	180	ei = info->eigrp_interface;*/
	181	struct listnode node, nnode;
	182	struct eigrp_interface *ei2;
	183	/* Find proper interface */
	184	for (ALL_LIST_ELEMENTS(e->eiflist, node, nnode, ei2)) {
	185	if (strcmp(ei2->ifp->name, ifp->name) == 0) {
	186	ei = ei2;
	187	break;
	188	}
	189	}
85bbc95d	190	assert(ei != NULL);
d62a17ae	191
	192	/* Access-list for interface in */
	193	if (dist->list[DISTRIBUTE_V4_IN]) {
	194	alist = access_list_lookup(AFI_IP,
	195	dist->list[DISTRIBUTE_V4_IN]);
	196	if (alist) {
	197	ei->list[EIGRP_FILTER_IN] = alist;
	198	} else
	199	ei->list[EIGRP_FILTER_IN] = NULL;
	200	} else {
	201	ei->list[EIGRP_FILTER_IN] = NULL;
	202	}
	203
	204	/* Access-list for interface in */
	205	if (dist->list[DISTRIBUTE_V4_OUT]) {
	206	alist = access_list_lookup(AFI_IP,
	207	dist->list[DISTRIBUTE_V4_OUT]);
	208	if (alist)
	209	ei->list[EIGRP_FILTER_OUT] = alist;
	210	else
	211	ei->list[EIGRP_FILTER_OUT] = NULL;
	212
	213	} else
	214	ei->list[EIGRP_FILTER_OUT] = NULL;
	215
	216	/* Prefix-list for interface in */
	217	if (dist->prefix[DISTRIBUTE_V4_IN]) {
	218	plist = prefix_list_lookup(AFI_IP,
	219	dist->prefix[DISTRIBUTE_V4_IN]);
	220	if (plist)
	221	ei->prefix[EIGRP_FILTER_IN] = plist;
	222	else
	223	ei->prefix[EIGRP_FILTER_IN] = NULL;
	224	} else
	225	ei->prefix[EIGRP_FILTER_IN] = NULL;
	226
	227	/* Prefix-list for interface out */
	228	if (dist->prefix[DISTRIBUTE_V4_OUT]) {
	229	plist = prefix_list_lookup(AFI_IP,
	230	dist->prefix[DISTRIBUTE_V4_OUT]);
	231	if (plist)
	232	ei->prefix[EIGRP_FILTER_OUT] = plist;
	233	else
	234	ei->prefix[EIGRP_FILTER_OUT] = NULL;
	235	} else
	236	ei->prefix[EIGRP_FILTER_OUT] = NULL;
7f57883e DS	237
	238	#if 0
	239	/* route-map IN for whole process */
	240	if (dist->route[DISTRIBUTE_V4_IN])
f9e5c9ca DS	241	{
	242	zlog_info("<DEBUG ACL ALL in");
	243	routemap = route_map_lookup_by_name (dist->route[DISTRIBUTE_V4_IN]);
	244	if (routemap)
	245	ei->routemap[EIGRP_FILTER_IN] = routemap;
	246	else
	247	ei->routemap[EIGRP_FILTER_IN] = NULL;
	248	}
7f57883e	249	else
f9e5c9ca DS	250	{
	251	ei->routemap[EIGRP_FILTER_IN] = NULL;
	252	}
7f57883e DS	253
	254	/* route-map OUT for whole process */
	255	if (dist->route[DISTRIBUTE_V4_OUT])
f9e5c9ca DS	256	{
	257	routemap = route_map_lookup_by_name (dist->route[DISTRIBUTE_V4_OUT]);
	258	if (routemap)
	259	ei->routemap[EIGRP_FILTER_OUT] = routemap;
	260	else
	261	ei->routemap[EIGRP_FILTER_OUT] = NULL;
	262	}
7f57883e	263	else
f9e5c9ca DS	264	{
	265	ei->routemap[EIGRP_FILTER_OUT] = NULL;
	266	}
7f57883e	267	#endif
d62a17ae	268	// TODO: check Graceful restart after 10sec
	269
	270	/* check if there is already GR scheduled */
	271	if (ei->t_distribute != NULL) {
	272	/* if is, cancel schedule */
	273	thread_cancel(ei->t_distribute);
	274	}
	275	/* schedule Graceful restart for interface in 10sec */
	276	e->t_distribute = NULL;
	277	thread_add_timer(master, eigrp_distribute_timer_interface, ei, 10,
	278	&e->t_distribute);
7f57883e DS	279	}
	280
	281	/*
	282	* Function called by prefix-list and access-list update
	283	*/
d62a17ae	284	void eigrp_distribute_update_interface(struct interface *ifp)
7f57883e	285	{
d62a17ae	286	struct distribute *dist;
7f57883e	287
d62a17ae	288	dist = distribute_lookup(ifp->name);
	289	if (dist)
	290	eigrp_distribute_update(dist);
7f57883e DS	291	}
	292
	293	/* Update all interface's distribute list.
	294	* Function used in hook for prefix-list
	295	*/
d62a17ae	296	void eigrp_distribute_update_all(struct prefix_list *notused)
7f57883e	297	{
d62a17ae	298	struct interface *ifp;
d62a17ae	299	struct listnode node, nnode;
7f57883e	300
d62a17ae	301	for (ALL_LIST_ELEMENTS(vrf_iflist(VRF_DEFAULT), node, nnode, ifp))
d62a17ae	302	eigrp_distribute_update_interface(ifp);
7f57883e DS	303	}
	304
	305	/*
	306	* Function used in hook for acces-list
	307	*/
d62a17ae	308	void eigrp_distribute_update_all_wrapper(struct access_list *notused)
7f57883e	309	{
d62a17ae	310	eigrp_distribute_update_all(NULL);
7f57883e DS	311	}
	312
	313	/*
	314	* @fn eigrp_distribute_timer_process
	315	*
f9e5c9ca	316	* @param[in] thread current execution thread timer is associated with
7f57883e	317	*
f9e5c9ca	318	* @return int always returns 0
7f57883e DS	319	*
	320	* @par
	321	* Called when 10sec waiting time expire and
	322	* executes Graceful restart for whole process
	323	*/
d62a17ae	324	int eigrp_distribute_timer_process(struct thread *thread)
7f57883e	325	{
d62a17ae	326	struct eigrp *eigrp;
7f57883e	327
d62a17ae	328	eigrp = THREAD_ARG(thread);
d62a17ae	329	eigrp->t_distribute = NULL;
7f57883e	330
d62a17ae	331	/* execute GR for whole process */
d62a17ae	332	eigrp_update_send_process_GR(eigrp, EIGRP_GR_FILTER, NULL);
7f57883e	333
d62a17ae	334	return 0;
7f57883e DS	335	}
	336
	337	/*
	338	* @fn eigrp_distribute_timer_interface
	339	*
f9e5c9ca	340	* @param[in] thread current execution thread timer is associated with
7f57883e	341	*
f9e5c9ca	342	* @return int always returns 0
7f57883e DS	343	*
	344	* @par
	345	* Called when 10sec waiting time expire and
	346	* executes Graceful restart for interface
	347	*/
d62a17ae	348	int eigrp_distribute_timer_interface(struct thread *thread)
7f57883e	349	{
d62a17ae	350	struct eigrp_interface *ei;
7f57883e	351
d62a17ae	352	ei = THREAD_ARG(thread);
d62a17ae	353	ei->t_distribute = NULL;
7f57883e	354
d62a17ae	355	/* execute GR for interface */
d62a17ae	356	eigrp_update_send_interface_GR(ei, EIGRP_GR_FILTER, NULL);
7f57883e	357
d62a17ae	358	return 0;
7f57883e	359	}