+// SPDX-License-Identifier: GPL-2.0-or-later
/* RIP peer support
* Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
- *
- * 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 "prefix.h"
#include "command.h"
#include "linklist.h"
-#include "thread.h"
+#include "frrevent.h"
#include "memory.h"
+#include "table.h"
#include "ripd/ripd.h"
+#include "ripd/rip_bfd.h"
DEFINE_MTYPE_STATIC(RIPD, RIP_PEER, "RIP peer");
return XCALLOC(MTYPE_RIP_PEER, sizeof(struct rip_peer));
}
-static void rip_peer_free(struct rip_peer *peer)
+void rip_peer_free(struct rip_peer *peer)
{
- RIP_TIMER_OFF(peer->t_timeout);
+ bfd_sess_free(&peer->bfd_session);
+ EVENT_OFF(peer->t_timeout);
XFREE(MTYPE_RIP_PEER, peer);
}
}
/* RIP peer is timeout. */
-static void rip_peer_timeout(struct thread *t)
+static void rip_peer_timeout(struct event *t)
{
struct rip_peer *peer;
- peer = THREAD_ARG(t);
+ peer = EVENT_ARG(t);
listnode_delete(peer->rip->peer_list, peer);
rip_peer_free(peer);
}
/* Get RIP peer. At the same time update timeout thread. */
-static struct rip_peer *rip_peer_get(struct rip *rip, struct in_addr *addr)
+static struct rip_peer *rip_peer_get(struct rip *rip, struct rip_interface *ri,
+ struct in_addr *addr)
{
struct rip_peer *peer;
peer = rip_peer_lookup(rip, addr);
if (peer) {
- thread_cancel(&peer->t_timeout);
+ EVENT_OFF(peer->t_timeout);
} else {
peer = rip_peer_new();
peer->rip = rip;
+ peer->ri = ri;
peer->addr = *addr;
+ rip_bfd_session_update(peer);
listnode_add_sort(rip->peer_list, peer);
}
/* Update timeout thread. */
- thread_add_timer(master, rip_peer_timeout, peer, RIP_PEER_TIMER_DEFAULT,
- &peer->t_timeout);
+ event_add_timer(master, rip_peer_timeout, peer, RIP_PEER_TIMER_DEFAULT,
+ &peer->t_timeout);
/* Last update time set. */
time(&peer->uptime);
return peer;
}
-void rip_peer_update(struct rip *rip, struct sockaddr_in *from, uint8_t version)
+void rip_peer_update(struct rip *rip, struct rip_interface *ri,
+ struct sockaddr_in *from, uint8_t version)
{
struct rip_peer *peer;
- peer = rip_peer_get(rip, &from->sin_addr);
+ peer = rip_peer_get(rip, ri, &from->sin_addr);
peer->version = version;
}
-void rip_peer_bad_route(struct rip *rip, struct sockaddr_in *from)
+void rip_peer_bad_route(struct rip *rip, struct rip_interface *ri,
+ struct sockaddr_in *from)
{
struct rip_peer *peer;
- peer = rip_peer_get(rip, &from->sin_addr);
+ peer = rip_peer_get(rip, ri, &from->sin_addr);
peer->recv_badroutes++;
}
-void rip_peer_bad_packet(struct rip *rip, struct sockaddr_in *from)
+void rip_peer_bad_packet(struct rip *rip, struct rip_interface *ri,
+ struct sockaddr_in *from)
{
struct rip_peer *peer;
- peer = rip_peer_get(rip, &from->sin_addr);
+ peer = rip_peer_get(rip, ri, &from->sin_addr);
peer->recv_badpackets++;
}
char timebuf[RIP_UPTIME_LEN];
for (ALL_LIST_ELEMENTS(rip->peer_list, node, nnode, peer)) {
- vty_out(vty, " %-16pI4 %9d %9d %9d %s\n",
+ vty_out(vty, " %-17pI4 %9d %9d %9d %11s\n",
&peer->addr, peer->recv_badpackets,
peer->recv_badroutes, ZEBRA_RIP_DISTANCE_DEFAULT,
rip_peer_uptime(peer, timebuf, RIP_UPTIME_LEN));
{
rip_peer_free(arg);
}
+
+void rip_peer_delete_routes(const struct rip_peer *peer)
+{
+ struct route_node *route_node;
+
+ for (route_node = route_top(peer->rip->table); route_node;
+ route_node = route_next(route_node)) {
+ struct rip_info *route_entry;
+ struct listnode *listnode;
+ struct listnode *listnode_next;
+ struct list *list;
+
+ list = route_node->info;
+ if (list == NULL)
+ continue;
+
+ for (ALL_LIST_ELEMENTS(list, listnode, listnode_next,
+ route_entry)) {
+ if (!rip_route_rte(route_entry))
+ continue;
+ if (route_entry->from.s_addr != peer->addr.s_addr)
+ continue;
+
+ if (listcount(list) == 1) {
+ EVENT_OFF(route_entry->t_timeout);
+ EVENT_OFF(route_entry->t_garbage_collect);
+ listnode_delete(list, route_entry);
+ if (list_isempty(list)) {
+ list_delete((struct list **)&route_node
+ ->info);
+ route_unlock_node(route_node);
+ }
+ rip_info_free(route_entry);
+
+ /* Signal the output process to trigger an
+ * update (see section 2.5). */
+ rip_event(peer->rip, RIP_TRIGGERED_UPDATE, 0);
+ } else
+ rip_ecmp_delete(peer->rip, route_entry);
+ break;
+ }
+ }
+}