1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
6 /* RIPng support added by Vincent Jardin <vincent.jardin@6wind.com>
7 * Copyright (C) 2002 6WIND
19 #include "ripngd/ripngd.h"
20 #include "ripngd/ripng_nexthop.h"
22 DEFINE_MTYPE_STATIC(RIPNGD
, RIPNG_PEER
, "RIPng peer");
24 static struct ripng_peer
*ripng_peer_new(void)
26 return XCALLOC(MTYPE_RIPNG_PEER
, sizeof(struct ripng_peer
));
29 static void ripng_peer_free(struct ripng_peer
*peer
)
31 THREAD_OFF(peer
->t_timeout
);
32 XFREE(MTYPE_RIPNG_PEER
, peer
);
35 struct ripng_peer
*ripng_peer_lookup(struct ripng
*ripng
, struct in6_addr
*addr
)
37 struct ripng_peer
*peer
;
38 struct listnode
*node
, *nnode
;
40 for (ALL_LIST_ELEMENTS(ripng
->peer_list
, node
, nnode
, peer
)) {
41 if (IPV6_ADDR_SAME(&peer
->addr
, addr
))
47 struct ripng_peer
*ripng_peer_lookup_next(struct ripng
*ripng
,
48 struct in6_addr
*addr
)
50 struct ripng_peer
*peer
;
51 struct listnode
*node
, *nnode
;
53 for (ALL_LIST_ELEMENTS(ripng
->peer_list
, node
, nnode
, peer
)) {
54 if (addr6_cmp(&peer
->addr
, addr
) > 0)
60 /* RIPng peer is timeout.
63 static void ripng_peer_timeout(struct thread
*t
)
65 struct ripng_peer
*peer
;
68 listnode_delete(peer
->ripng
->peer_list
, peer
);
69 ripng_peer_free(peer
);
72 /* Get RIPng peer. At the same time update timeout thread. */
73 static struct ripng_peer
*ripng_peer_get(struct ripng
*ripng
,
74 struct in6_addr
*addr
)
76 struct ripng_peer
*peer
;
78 peer
= ripng_peer_lookup(ripng
, addr
);
81 THREAD_OFF(peer
->t_timeout
);
83 peer
= ripng_peer_new();
86 listnode_add_sort(ripng
->peer_list
, peer
);
89 /* Update timeout thread. */
90 thread_add_timer(master
, ripng_peer_timeout
, peer
,
91 RIPNG_PEER_TIMER_DEFAULT
, &peer
->t_timeout
);
93 /* Last update time set. */
99 void ripng_peer_update(struct ripng
*ripng
, struct sockaddr_in6
*from
,
102 struct ripng_peer
*peer
;
103 peer
= ripng_peer_get(ripng
, &from
->sin6_addr
);
104 peer
->version
= version
;
107 void ripng_peer_bad_route(struct ripng
*ripng
, struct sockaddr_in6
*from
)
109 struct ripng_peer
*peer
;
110 peer
= ripng_peer_get(ripng
, &from
->sin6_addr
);
111 peer
->recv_badroutes
++;
114 void ripng_peer_bad_packet(struct ripng
*ripng
, struct sockaddr_in6
*from
)
116 struct ripng_peer
*peer
;
117 peer
= ripng_peer_get(ripng
, &from
->sin6_addr
);
118 peer
->recv_badpackets
++;
121 /* Display peer uptime. */
122 static char *ripng_peer_uptime(struct ripng_peer
*peer
, char *buf
, size_t len
)
126 /* If there is no connection has been done before print `never'. */
127 if (peer
->uptime
== 0) {
128 snprintf(buf
, len
, "never ");
132 /* Get current time. */
134 uptime
-= peer
->uptime
;
136 frrtime_to_interval(uptime
, buf
, len
);
141 void ripng_peer_display(struct vty
*vty
, struct ripng
*ripng
)
143 struct ripng_peer
*peer
;
144 struct listnode
*node
, *nnode
;
145 #define RIPNG_UPTIME_LEN 25
146 char timebuf
[RIPNG_UPTIME_LEN
];
148 for (ALL_LIST_ELEMENTS(ripng
->peer_list
, node
, nnode
, peer
)) {
149 vty_out(vty
, " %pI6 \n%14s %10d %10d %10d %s\n",
150 &peer
->addr
, " ", peer
->recv_badpackets
,
151 peer
->recv_badroutes
, ZEBRA_RIPNG_DISTANCE_DEFAULT
,
152 ripng_peer_uptime(peer
, timebuf
, RIPNG_UPTIME_LEN
));
156 int ripng_peer_list_cmp(struct ripng_peer
*p1
, struct ripng_peer
*p2
)
158 return memcmp(&p1
->addr
, &p2
->addr
, sizeof(struct in6_addr
));
161 void ripng_peer_list_del(void *arg
)
163 ripng_peer_free(arg
);