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718e3744 | 1 | /* Router advertisement |
7cee1bb1 | 2 | * Copyright (C) 2005 6WIND <jean-mickael.guerin@6wind.com> |
718e3744 | 3 | * Copyright (C) 1999 Kunihiro Ishiguro |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with GNU Zebra; see the file COPYING. If not, write to the Free | |
19 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | * 02111-1307, USA. | |
21 | */ | |
22 | ||
23 | #include <zebra.h> | |
24 | ||
25 | #include "memory.h" | |
26 | #include "sockopt.h" | |
27 | #include "thread.h" | |
28 | #include "if.h" | |
4a04e5f7 | 29 | #include "stream.h" |
718e3744 | 30 | #include "log.h" |
31 | #include "prefix.h" | |
32 | #include "linklist.h" | |
33 | #include "command.h" | |
edd7c245 | 34 | #include "privs.h" |
cd80d74f | 35 | #include "vrf.h" |
718e3744 | 36 | |
37 | #include "zebra/interface.h" | |
38 | #include "zebra/rtadv.h" | |
39 | #include "zebra/debug.h" | |
537d8ea9 | 40 | #include "zebra/rib.h" |
4b5e1359 | 41 | #include "zebra/zserv.h" |
fe18ee2d | 42 | #include "zebra/zebra_ns.h" |
7c551956 | 43 | #include "zebra/zebra_vrf.h" |
718e3744 | 44 | |
edd7c245 | 45 | extern struct zebra_privs_t zserv_privs; |
46 | ||
8da4e946 | 47 | #if defined (HAVE_IPV6) && defined (HAVE_RTADV) |
718e3744 | 48 | |
fa2b17e3 | 49 | #ifdef OPEN_BSD |
50 | #include <netinet/icmp6.h> | |
51 | #endif | |
52 | ||
718e3744 | 53 | /* If RFC2133 definition is used. */ |
54 | #ifndef IPV6_JOIN_GROUP | |
55 | #define IPV6_JOIN_GROUP IPV6_ADD_MEMBERSHIP | |
56 | #endif | |
57 | #ifndef IPV6_LEAVE_GROUP | |
58 | #define IPV6_LEAVE_GROUP IPV6_DROP_MEMBERSHIP | |
59 | #endif | |
60 | ||
61 | #define ALLNODE "ff02::1" | |
62 | #define ALLROUTER "ff02::2" | |
63 | ||
7cee1bb1 | 64 | enum rtadv_event {RTADV_START, RTADV_STOP, RTADV_TIMER, |
65 | RTADV_TIMER_MSEC, RTADV_READ}; | |
718e3744 | 66 | |
43459b1f | 67 | static void rtadv_event (struct zebra_ns *, enum rtadv_event, int); |
718e3744 | 68 | |
a1ac18c4 | 69 | static int if_join_all_router (int, struct interface *); |
70 | static int if_leave_all_router (int, struct interface *); | |
6b0655a2 | 71 | |
911ad1e2 | 72 | static int |
b892f1dd | 73 | rtadv_increment_received(struct zebra_ns *zns, ifindex_t *ifindex) |
911ad1e2 | 74 | { |
795b5abf QY |
75 | int ret = -1; |
76 | struct interface *iface; | |
77 | struct zebra_if *zif; | |
78 | ||
911ad1e2 | 79 | iface = if_lookup_by_index_per_ns (zns, *ifindex); |
80 | if (iface && iface->info) | |
81 | { | |
82 | zif = iface->info; | |
83 | zif->ra_rcvd++; | |
84 | ret = 0; | |
85 | } | |
795b5abf QY |
86 | return ret; |
87 | } | |
88 | ||
a1ac18c4 | 89 | static int |
911ad1e2 | 90 | rtadv_recv_packet (struct zebra_ns *zns, int sock, u_char *buf, int buflen, |
b892f1dd | 91 | struct sockaddr_in6 *from, ifindex_t *ifindex, |
718e3744 | 92 | int *hoplimit) |
93 | { | |
94 | int ret; | |
95 | struct msghdr msg; | |
96 | struct iovec iov; | |
97 | struct cmsghdr *cmsgptr; | |
98 | struct in6_addr dst; | |
99 | ||
100 | char adata[1024]; | |
101 | ||
102 | /* Fill in message and iovec. */ | |
103 | msg.msg_name = (void *) from; | |
104 | msg.msg_namelen = sizeof (struct sockaddr_in6); | |
105 | msg.msg_iov = &iov; | |
106 | msg.msg_iovlen = 1; | |
107 | msg.msg_control = (void *) adata; | |
108 | msg.msg_controllen = sizeof adata; | |
109 | iov.iov_base = buf; | |
110 | iov.iov_len = buflen; | |
111 | ||
112 | /* If recvmsg fail return minus value. */ | |
113 | ret = recvmsg (sock, &msg, 0); | |
114 | if (ret < 0) | |
115 | return ret; | |
116 | ||
b99760ab | 117 | for (cmsgptr = ZCMSG_FIRSTHDR(&msg); cmsgptr != NULL; |
718e3744 | 118 | cmsgptr = CMSG_NXTHDR(&msg, cmsgptr)) |
119 | { | |
120 | /* I want interface index which this packet comes from. */ | |
121 | if (cmsgptr->cmsg_level == IPPROTO_IPV6 && | |
122 | cmsgptr->cmsg_type == IPV6_PKTINFO) | |
123 | { | |
124 | struct in6_pktinfo *ptr; | |
125 | ||
126 | ptr = (struct in6_pktinfo *) CMSG_DATA (cmsgptr); | |
127 | *ifindex = ptr->ipi6_ifindex; | |
128 | memcpy(&dst, &ptr->ipi6_addr, sizeof(ptr->ipi6_addr)); | |
129 | } | |
130 | ||
131 | /* Incoming packet's hop limit. */ | |
132 | if (cmsgptr->cmsg_level == IPPROTO_IPV6 && | |
133 | cmsgptr->cmsg_type == IPV6_HOPLIMIT) | |
b0b709ab SH |
134 | { |
135 | int *hoptr = (int *) CMSG_DATA (cmsgptr); | |
136 | *hoplimit = *hoptr; | |
137 | } | |
718e3744 | 138 | } |
795b5abf | 139 | |
911ad1e2 | 140 | rtadv_increment_received(zns, ifindex); |
718e3744 | 141 | return ret; |
142 | } | |
143 | ||
144 | #define RTADV_MSG_SIZE 4096 | |
145 | ||
146 | /* Send router advertisement packet. */ | |
a1ac18c4 | 147 | static void |
718e3744 | 148 | rtadv_send_packet (int sock, struct interface *ifp) |
149 | { | |
150 | struct msghdr msg; | |
151 | struct iovec iov; | |
152 | struct cmsghdr *cmsgptr; | |
153 | struct in6_pktinfo *pkt; | |
154 | struct sockaddr_in6 addr; | |
6f0e3f6e | 155 | #ifdef HAVE_STRUCT_SOCKADDR_DL |
718e3744 | 156 | struct sockaddr_dl *sdl; |
6f0e3f6e | 157 | #endif /* HAVE_STRUCT_SOCKADDR_DL */ |
57492d56 | 158 | static void *adata = NULL; |
718e3744 | 159 | unsigned char buf[RTADV_MSG_SIZE]; |
160 | struct nd_router_advert *rtadv; | |
161 | int ret; | |
162 | int len = 0; | |
163 | struct zebra_if *zif; | |
1eb8ef25 | 164 | struct rtadv_prefix *rprefix; |
718e3744 | 165 | u_char all_nodes_addr[] = {0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,1}; |
52dc7ee6 | 166 | struct listnode *node; |
d660f698 | 167 | u_int16_t pkt_RouterLifetime; |
718e3744 | 168 | |
57492d56 | 169 | /* |
170 | * Allocate control message bufffer. This is dynamic because | |
171 | * CMSG_SPACE is not guaranteed not to call a function. Note that | |
172 | * the size will be different on different architectures due to | |
173 | * differing alignment rules. | |
174 | */ | |
175 | if (adata == NULL) | |
176 | { | |
177 | /* XXX Free on shutdown. */ | |
178 | adata = malloc(CMSG_SPACE(sizeof(struct in6_pktinfo))); | |
179 | ||
180 | if (adata == NULL) | |
f360eac0 | 181 | zlog_err("rtadv_send_packet: can't malloc control data"); |
57492d56 | 182 | } |
183 | ||
718e3744 | 184 | /* Logging of packet. */ |
185 | if (IS_ZEBRA_DEBUG_PACKET) | |
f360eac0 | 186 | zlog_debug ("%s(%u): Tx RA, socket %u", |
187 | ifp->name, ifp->ifindex, sock); | |
718e3744 | 188 | |
189 | /* Fill in sockaddr_in6. */ | |
190 | memset (&addr, 0, sizeof (struct sockaddr_in6)); | |
191 | addr.sin6_family = AF_INET6; | |
192 | #ifdef SIN6_LEN | |
193 | addr.sin6_len = sizeof (struct sockaddr_in6); | |
194 | #endif /* SIN6_LEN */ | |
195 | addr.sin6_port = htons (IPPROTO_ICMPV6); | |
aca43b65 | 196 | IPV6_ADDR_COPY (&addr.sin6_addr, all_nodes_addr); |
718e3744 | 197 | |
198 | /* Fetch interface information. */ | |
199 | zif = ifp->info; | |
200 | ||
201 | /* Make router advertisement message. */ | |
202 | rtadv = (struct nd_router_advert *) buf; | |
203 | ||
204 | rtadv->nd_ra_type = ND_ROUTER_ADVERT; | |
205 | rtadv->nd_ra_code = 0; | |
206 | rtadv->nd_ra_cksum = 0; | |
207 | ||
208 | rtadv->nd_ra_curhoplimit = 64; | |
b60668d0 CC |
209 | |
210 | /* RFC4191: Default Router Preference is 0 if Router Lifetime is 0. */ | |
211 | rtadv->nd_ra_flags_reserved = | |
212 | zif->rtadv.AdvDefaultLifetime == 0 ? 0 : zif->rtadv.DefaultPreference; | |
213 | rtadv->nd_ra_flags_reserved <<= 3; | |
214 | ||
718e3744 | 215 | if (zif->rtadv.AdvManagedFlag) |
216 | rtadv->nd_ra_flags_reserved |= ND_RA_FLAG_MANAGED; | |
217 | if (zif->rtadv.AdvOtherConfigFlag) | |
218 | rtadv->nd_ra_flags_reserved |= ND_RA_FLAG_OTHER; | |
7cee1bb1 | 219 | if (zif->rtadv.AdvHomeAgentFlag) |
220 | rtadv->nd_ra_flags_reserved |= ND_RA_FLAG_HOME_AGENT; | |
d660f698 DO |
221 | /* Note that according to Neighbor Discovery (RFC 4861 [18]), |
222 | * AdvDefaultLifetime is by default based on the value of | |
223 | * MaxRtrAdvInterval. AdvDefaultLifetime is used in the Router Lifetime | |
224 | * field of Router Advertisements. Given that this field is expressed | |
225 | * in seconds, a small MaxRtrAdvInterval value can result in a zero | |
226 | * value for this field. To prevent this, routers SHOULD keep | |
227 | * AdvDefaultLifetime in at least one second, even if the use of | |
228 | * MaxRtrAdvInterval would result in a smaller value. -- RFC6275, 7.5 */ | |
229 | pkt_RouterLifetime = zif->rtadv.AdvDefaultLifetime != -1 ? | |
230 | zif->rtadv.AdvDefaultLifetime : | |
231 | MAX (1, 0.003 * zif->rtadv.MaxRtrAdvInterval); | |
232 | rtadv->nd_ra_router_lifetime = htons (pkt_RouterLifetime); | |
718e3744 | 233 | rtadv->nd_ra_reachable = htonl (zif->rtadv.AdvReachableTime); |
234 | rtadv->nd_ra_retransmit = htonl (0); | |
235 | ||
236 | len = sizeof (struct nd_router_advert); | |
237 | ||
d660f698 DO |
238 | /* If both the Home Agent Preference and Home Agent Lifetime are set to |
239 | * their default values specified above, this option SHOULD NOT be | |
240 | * included in the Router Advertisement messages sent by this home | |
241 | * agent. -- RFC6275, 7.4 */ | |
242 | if | |
243 | ( | |
244 | zif->rtadv.AdvHomeAgentFlag && | |
245 | (zif->rtadv.HomeAgentPreference || zif->rtadv.HomeAgentLifetime != -1) | |
246 | ) | |
7cee1bb1 | 247 | { |
248 | struct nd_opt_homeagent_info *ndopt_hai = | |
249 | (struct nd_opt_homeagent_info *)(buf + len); | |
250 | ndopt_hai->nd_opt_hai_type = ND_OPT_HA_INFORMATION; | |
251 | ndopt_hai->nd_opt_hai_len = 1; | |
252 | ndopt_hai->nd_opt_hai_reserved = 0; | |
253 | ndopt_hai->nd_opt_hai_preference = htons(zif->rtadv.HomeAgentPreference); | |
d660f698 DO |
254 | /* 16-bit unsigned integer. The lifetime associated with the home |
255 | * agent in units of seconds. The default value is the same as the | |
256 | * Router Lifetime, as specified in the main body of the Router | |
257 | * Advertisement. The maximum value corresponds to 18.2 hours. A | |
258 | * value of 0 MUST NOT be used. -- RFC6275, 7.5 */ | |
259 | ndopt_hai->nd_opt_hai_lifetime = htons | |
260 | ( | |
261 | zif->rtadv.HomeAgentLifetime != -1 ? | |
262 | zif->rtadv.HomeAgentLifetime : | |
263 | MAX (1, pkt_RouterLifetime) /* 0 is OK for RL, but not for HAL*/ | |
264 | ); | |
7cee1bb1 | 265 | len += sizeof(struct nd_opt_homeagent_info); |
266 | } | |
267 | ||
268 | if (zif->rtadv.AdvIntervalOption) | |
269 | { | |
270 | struct nd_opt_adv_interval *ndopt_adv = | |
271 | (struct nd_opt_adv_interval *)(buf + len); | |
272 | ndopt_adv->nd_opt_ai_type = ND_OPT_ADV_INTERVAL; | |
273 | ndopt_adv->nd_opt_ai_len = 1; | |
274 | ndopt_adv->nd_opt_ai_reserved = 0; | |
275 | ndopt_adv->nd_opt_ai_interval = htonl(zif->rtadv.MaxRtrAdvInterval); | |
276 | len += sizeof(struct nd_opt_adv_interval); | |
277 | } | |
278 | ||
718e3744 | 279 | /* Fill in prefix. */ |
1eb8ef25 | 280 | for (ALL_LIST_ELEMENTS_RO (zif->rtadv.AdvPrefixList, node, rprefix)) |
718e3744 | 281 | { |
282 | struct nd_opt_prefix_info *pinfo; | |
718e3744 | 283 | |
284 | pinfo = (struct nd_opt_prefix_info *) (buf + len); | |
285 | ||
286 | pinfo->nd_opt_pi_type = ND_OPT_PREFIX_INFORMATION; | |
287 | pinfo->nd_opt_pi_len = 4; | |
288 | pinfo->nd_opt_pi_prefix_len = rprefix->prefix.prefixlen; | |
289 | ||
290 | pinfo->nd_opt_pi_flags_reserved = 0; | |
291 | if (rprefix->AdvOnLinkFlag) | |
292 | pinfo->nd_opt_pi_flags_reserved |= ND_OPT_PI_FLAG_ONLINK; | |
293 | if (rprefix->AdvAutonomousFlag) | |
294 | pinfo->nd_opt_pi_flags_reserved |= ND_OPT_PI_FLAG_AUTO; | |
7cee1bb1 | 295 | if (rprefix->AdvRouterAddressFlag) |
296 | pinfo->nd_opt_pi_flags_reserved |= ND_OPT_PI_FLAG_RADDR; | |
718e3744 | 297 | |
298 | pinfo->nd_opt_pi_valid_time = htonl (rprefix->AdvValidLifetime); | |
299 | pinfo->nd_opt_pi_preferred_time = htonl (rprefix->AdvPreferredLifetime); | |
300 | pinfo->nd_opt_pi_reserved2 = 0; | |
301 | ||
aca43b65 | 302 | IPV6_ADDR_COPY (&pinfo->nd_opt_pi_prefix, &rprefix->prefix.prefix); |
718e3744 | 303 | |
304 | #ifdef DEBUG | |
305 | { | |
306 | u_char buf[INET6_ADDRSTRLEN]; | |
307 | ||
b6178002 | 308 | zlog_debug ("DEBUG %s", inet_ntop (AF_INET6, &pinfo->nd_opt_pi_prefix, |
3e31cded | 309 | buf, INET6_ADDRSTRLEN)); |
718e3744 | 310 | |
311 | } | |
312 | #endif /* DEBUG */ | |
313 | ||
314 | len += sizeof (struct nd_opt_prefix_info); | |
315 | } | |
316 | ||
317 | /* Hardware address. */ | |
6f0e3f6e | 318 | #ifdef HAVE_STRUCT_SOCKADDR_DL |
718e3744 | 319 | sdl = &ifp->sdl; |
320 | if (sdl != NULL && sdl->sdl_alen != 0) | |
321 | { | |
322 | buf[len++] = ND_OPT_SOURCE_LINKADDR; | |
50adf783 DW |
323 | |
324 | /* Option length should be rounded up to next octet if | |
325 | the link address does not end on an octet boundary. */ | |
326 | buf[len++] = (sdl->sdl_alen + 9) >> 3; | |
718e3744 | 327 | |
328 | memcpy (buf + len, LLADDR (sdl), sdl->sdl_alen); | |
329 | len += sdl->sdl_alen; | |
50adf783 DW |
330 | |
331 | /* Pad option to end on an octet boundary. */ | |
332 | memset (buf + len, 0, -(sdl->sdl_alen + 2) & 0x7); | |
333 | len += -(sdl->sdl_alen + 2) & 0x7; | |
718e3744 | 334 | } |
335 | #else | |
336 | if (ifp->hw_addr_len != 0) | |
337 | { | |
338 | buf[len++] = ND_OPT_SOURCE_LINKADDR; | |
50adf783 DW |
339 | |
340 | /* Option length should be rounded up to next octet if | |
341 | the link address does not end on an octet boundary. */ | |
342 | buf[len++] = (ifp->hw_addr_len + 9) >> 3; | |
718e3744 | 343 | |
344 | memcpy (buf + len, ifp->hw_addr, ifp->hw_addr_len); | |
345 | len += ifp->hw_addr_len; | |
50adf783 DW |
346 | |
347 | /* Pad option to end on an octet boundary. */ | |
348 | memset (buf + len, 0, -(ifp->hw_addr_len + 2) & 0x7); | |
349 | len += -(ifp->hw_addr_len + 2) & 0x7; | |
718e3744 | 350 | } |
6f0e3f6e | 351 | #endif /* HAVE_STRUCT_SOCKADDR_DL */ |
718e3744 | 352 | |
6ae93c05 DO |
353 | /* MTU */ |
354 | if (zif->rtadv.AdvLinkMTU) | |
355 | { | |
356 | struct nd_opt_mtu * opt = (struct nd_opt_mtu *) (buf + len); | |
357 | opt->nd_opt_mtu_type = ND_OPT_MTU; | |
358 | opt->nd_opt_mtu_len = 1; | |
359 | opt->nd_opt_mtu_reserved = 0; | |
360 | opt->nd_opt_mtu_mtu = htonl (zif->rtadv.AdvLinkMTU); | |
361 | len += sizeof (struct nd_opt_mtu); | |
362 | } | |
363 | ||
718e3744 | 364 | msg.msg_name = (void *) &addr; |
365 | msg.msg_namelen = sizeof (struct sockaddr_in6); | |
366 | msg.msg_iov = &iov; | |
367 | msg.msg_iovlen = 1; | |
368 | msg.msg_control = (void *) adata; | |
f841e02e | 369 | msg.msg_controllen = CMSG_SPACE(sizeof(struct in6_pktinfo)); |
57492d56 | 370 | msg.msg_flags = 0; |
718e3744 | 371 | iov.iov_base = buf; |
372 | iov.iov_len = len; | |
373 | ||
b99760ab | 374 | cmsgptr = ZCMSG_FIRSTHDR(&msg); |
57492d56 | 375 | cmsgptr->cmsg_len = CMSG_LEN(sizeof(struct in6_pktinfo)); |
718e3744 | 376 | cmsgptr->cmsg_level = IPPROTO_IPV6; |
377 | cmsgptr->cmsg_type = IPV6_PKTINFO; | |
80893817 | 378 | |
718e3744 | 379 | pkt = (struct in6_pktinfo *) CMSG_DATA (cmsgptr); |
380 | memset (&pkt->ipi6_addr, 0, sizeof (struct in6_addr)); | |
381 | pkt->ipi6_ifindex = ifp->ifindex; | |
382 | ||
383 | ret = sendmsg (sock, &msg, 0); | |
9ccabd1c | 384 | if (ret < 0) |
385 | { | |
f360eac0 | 386 | zlog_err ("%s(%u): Tx RA failed, socket %u error %d (%s)", |
387 | ifp->name, ifp->ifindex, sock, errno, safe_strerror(errno)); | |
9ccabd1c | 388 | } |
795b5abf QY |
389 | else |
390 | zif->ra_sent++; | |
718e3744 | 391 | } |
392 | ||
a1ac18c4 | 393 | static int |
718e3744 | 394 | rtadv_timer (struct thread *thread) |
395 | { | |
43459b1f | 396 | struct zebra_ns *zns = THREAD_ARG (thread); |
397 | vrf_iter_t iter; | |
1eb8ef25 | 398 | struct listnode *node, *nnode; |
718e3744 | 399 | struct interface *ifp; |
400 | struct zebra_if *zif; | |
7cee1bb1 | 401 | int period; |
718e3744 | 402 | |
43459b1f | 403 | zns->rtadv.ra_timer = NULL; |
404 | if (zns->rtadv.adv_msec_if_count == 0) | |
7cee1bb1 | 405 | { |
406 | period = 1000; /* 1 s */ | |
43459b1f | 407 | rtadv_event (zns, RTADV_TIMER, 1 /* 1 s */); |
7cee1bb1 | 408 | } |
409 | else | |
410 | { | |
411 | period = 10; /* 10 ms */ | |
43459b1f | 412 | rtadv_event (zns, RTADV_TIMER_MSEC, 10 /* 10 ms */); |
7cee1bb1 | 413 | } |
718e3744 | 414 | |
43459b1f | 415 | for (iter = vrf_first (); iter != VRF_ITER_INVALID; iter = vrf_next (iter)) |
416 | for (ALL_LIST_ELEMENTS (vrf_iter2iflist (iter), node, nnode, ifp)) | |
417 | { | |
c23af4d3 | 418 | if (if_is_loopback (ifp) || |
419 | CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_VRF_LOOPBACK) || | |
420 | ! if_is_operative (ifp)) | |
43459b1f | 421 | continue; |
422 | ||
423 | zif = ifp->info; | |
424 | ||
425 | if (zif->rtadv.AdvSendAdvertisements) | |
426 | { | |
6c9678b4 | 427 | if (zif->rtadv.inFastRexmit) |
43459b1f | 428 | { |
6c9678b4 DD |
429 | /* We assume we fast rexmit every sec so no additional vars */ |
430 | if (--zif->rtadv.NumFastReXmitsRemain <= 0) | |
431 | zif->rtadv.inFastRexmit = 0; | |
432 | ||
433 | if (IS_ZEBRA_DEBUG_SEND) | |
434 | zlog_debug("Fast RA Rexmit on interface %s", ifp->name); | |
435 | ||
43459b1f | 436 | rtadv_send_packet (zns->rtadv.sock, ifp); |
437 | } | |
6c9678b4 DD |
438 | else |
439 | { | |
440 | zif->rtadv.AdvIntervalTimer -= period; | |
441 | if (zif->rtadv.AdvIntervalTimer <= 0) | |
442 | { | |
443 | /* FIXME: using MaxRtrAdvInterval each time isn't what section | |
444 | 6.2.4 of RFC4861 tells to do. */ | |
445 | zif->rtadv.AdvIntervalTimer = zif->rtadv.MaxRtrAdvInterval; | |
446 | rtadv_send_packet (zns->rtadv.sock, ifp); | |
447 | } | |
448 | } | |
43459b1f | 449 | } |
450 | } | |
718e3744 | 451 | |
718e3744 | 452 | return 0; |
453 | } | |
454 | ||
a1ac18c4 | 455 | static void |
718e3744 | 456 | rtadv_process_solicit (struct interface *ifp) |
457 | { | |
cd80d74f | 458 | struct zebra_vrf *zvrf = vrf_info_lookup (ifp->vrf_id); |
43459b1f | 459 | struct zebra_ns *zns = zvrf->zns; |
718e3744 | 460 | |
43459b1f | 461 | assert (zns); |
462 | rtadv_send_packet (zns->rtadv.sock, ifp); | |
718e3744 | 463 | } |
464 | ||
a1ac18c4 | 465 | static void |
a80beece DS |
466 | rtadv_process_advert (u_char *msg, unsigned int len, struct interface *ifp, |
467 | struct sockaddr_in6 *addr) | |
718e3744 | 468 | { |
a80beece DS |
469 | struct nd_router_advert *radvert; |
470 | char addr_str[INET6_ADDRSTRLEN]; | |
471 | struct zebra_if *zif; | |
1d20ccf3 | 472 | struct prefix p; |
a80beece DS |
473 | |
474 | zif = ifp->info; | |
475 | ||
476 | inet_ntop (AF_INET6, &addr->sin6_addr, addr_str, INET6_ADDRSTRLEN); | |
477 | ||
a80beece | 478 | if (len < sizeof(struct nd_router_advert)) { |
f360eac0 | 479 | zlog_warn("%s(%u): Rx RA with invalid length %d from %s", |
480 | ifp->name, ifp->ifindex, len, addr_str); | |
a80beece DS |
481 | return; |
482 | } | |
483 | if (!IN6_IS_ADDR_LINKLOCAL(&addr->sin6_addr)) { | |
f360eac0 | 484 | zlog_warn("%s(%u): Rx RA with non-linklocal source address from %s", |
485 | ifp->name, ifp->ifindex, addr_str); | |
a80beece DS |
486 | return; |
487 | } | |
488 | ||
489 | radvert = (struct nd_router_advert *) msg; | |
490 | ||
491 | if ((radvert->nd_ra_curhoplimit && zif->rtadv.AdvCurHopLimit) && | |
492 | (radvert->nd_ra_curhoplimit != zif->rtadv.AdvCurHopLimit)) | |
493 | { | |
f360eac0 | 494 | zlog_warn("%s(%u): Rx RA - our AdvCurHopLimit doesn't agree with %s", |
495 | ifp->name, ifp->ifindex, addr_str); | |
a80beece DS |
496 | } |
497 | ||
498 | if ((radvert->nd_ra_flags_reserved & ND_RA_FLAG_MANAGED) && | |
499 | !zif->rtadv.AdvManagedFlag) | |
500 | { | |
f360eac0 | 501 | zlog_warn("%s(%u): Rx RA - our AdvManagedFlag doesn't agree with %s", |
502 | ifp->name, ifp->ifindex, addr_str); | |
a80beece DS |
503 | } |
504 | ||
505 | if ((radvert->nd_ra_flags_reserved & ND_RA_FLAG_OTHER) && | |
506 | !zif->rtadv.AdvOtherConfigFlag) | |
507 | { | |
f360eac0 | 508 | zlog_warn("%s(%u): Rx RA - our AdvOtherConfigFlag doesn't agree with %s", |
509 | ifp->name, ifp->ifindex, addr_str); | |
a80beece DS |
510 | } |
511 | ||
512 | if ((radvert->nd_ra_reachable && zif->rtadv.AdvReachableTime) && | |
513 | (ntohl(radvert->nd_ra_reachable) != zif->rtadv.AdvReachableTime)) | |
514 | { | |
f360eac0 | 515 | zlog_warn("%s(%u): Rx RA - our AdvReachableTime doesn't agree with %s", |
516 | ifp->name, ifp->ifindex, addr_str); | |
a80beece DS |
517 | } |
518 | ||
519 | if ((radvert->nd_ra_retransmit && zif->rtadv.AdvRetransTimer) && | |
4e3afb14 | 520 | (ntohl(radvert->nd_ra_retransmit) != (unsigned int)zif->rtadv.AdvRetransTimer)) |
a80beece | 521 | { |
f360eac0 | 522 | zlog_warn("%s(%u): Rx RA - our AdvRetransTimer doesn't agree with %s", |
523 | ifp->name, ifp->ifindex, addr_str); | |
a80beece DS |
524 | } |
525 | ||
1d20ccf3 | 526 | /* Create entry for neighbor if not known. */ |
527 | p.family = AF_INET6; | |
528 | IPV6_ADDR_COPY (&p.u.prefix, &addr->sin6_addr); | |
529 | p.prefixlen = IPV6_MAX_PREFIXLEN; | |
a80beece | 530 | |
1d20ccf3 | 531 | if (!nbr_connected_check(ifp, &p)) |
532 | nbr_connected_add_ipv6 (ifp, &addr->sin6_addr); | |
718e3744 | 533 | } |
534 | ||
a80beece | 535 | |
a1ac18c4 | 536 | static void |
b892f1dd | 537 | rtadv_process_packet (u_char *buf, unsigned int len, ifindex_t ifindex, int hoplimit, |
43459b1f | 538 | struct sockaddr_in6 *from, struct zebra_ns *zns) |
718e3744 | 539 | { |
540 | struct icmp6_hdr *icmph; | |
541 | struct interface *ifp; | |
542 | struct zebra_if *zif; | |
f360eac0 | 543 | char addr_str[INET6_ADDRSTRLEN]; |
544 | ||
545 | inet_ntop (AF_INET6, &from->sin6_addr, addr_str, INET6_ADDRSTRLEN); | |
718e3744 | 546 | |
547 | /* Interface search. */ | |
43459b1f | 548 | ifp = if_lookup_by_index_per_ns (zns, ifindex); |
718e3744 | 549 | if (ifp == NULL) |
550 | { | |
f360eac0 | 551 | zlog_warn ("RA/RS received on unknown IF %u from %s", |
552 | ifindex, addr_str); | |
718e3744 | 553 | return; |
554 | } | |
555 | ||
f360eac0 | 556 | if (IS_ZEBRA_DEBUG_PACKET) |
557 | zlog_debug ("%s(%u): Rx RA/RS len %d from %s", | |
558 | ifp->name, ifp->ifindex, len, addr_str); | |
559 | ||
c23af4d3 | 560 | if (if_is_loopback (ifp) || |
561 | CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_VRF_LOOPBACK)) | |
718e3744 | 562 | return; |
563 | ||
564 | /* Check interface configuration. */ | |
565 | zif = ifp->info; | |
566 | if (! zif->rtadv.AdvSendAdvertisements) | |
567 | return; | |
568 | ||
569 | /* ICMP message length check. */ | |
570 | if (len < sizeof (struct icmp6_hdr)) | |
571 | { | |
f360eac0 | 572 | zlog_warn ("%s(%u): Rx RA with Invalid ICMPV6 packet length %d", |
573 | ifp->name, ifp->ifindex, len); | |
718e3744 | 574 | return; |
575 | } | |
576 | ||
577 | icmph = (struct icmp6_hdr *) buf; | |
578 | ||
579 | /* ICMP message type check. */ | |
580 | if (icmph->icmp6_type != ND_ROUTER_SOLICIT && | |
581 | icmph->icmp6_type != ND_ROUTER_ADVERT) | |
582 | { | |
f360eac0 | 583 | zlog_warn ("%s(%u): Rx RA - Unwanted ICMPV6 message type %d", |
584 | ifp->name, ifp->ifindex, icmph->icmp6_type); | |
718e3744 | 585 | return; |
586 | } | |
587 | ||
588 | /* Hoplimit check. */ | |
589 | if (hoplimit >= 0 && hoplimit != 255) | |
590 | { | |
f360eac0 | 591 | zlog_warn ("%s(%u): Rx RA - Invalid hoplimit %d", |
592 | ifp->name, ifp->ifindex, hoplimit); | |
718e3744 | 593 | return; |
594 | } | |
595 | ||
596 | /* Check ICMP message type. */ | |
597 | if (icmph->icmp6_type == ND_ROUTER_SOLICIT) | |
598 | rtadv_process_solicit (ifp); | |
599 | else if (icmph->icmp6_type == ND_ROUTER_ADVERT) | |
a80beece | 600 | rtadv_process_advert (buf, len, ifp, from); |
718e3744 | 601 | |
602 | return; | |
603 | } | |
604 | ||
a1ac18c4 | 605 | static int |
718e3744 | 606 | rtadv_read (struct thread *thread) |
607 | { | |
608 | int sock; | |
609 | int len; | |
610 | u_char buf[RTADV_MSG_SIZE]; | |
611 | struct sockaddr_in6 from; | |
b892f1dd | 612 | ifindex_t ifindex = 0; |
718e3744 | 613 | int hoplimit = -1; |
43459b1f | 614 | struct zebra_ns *zns = THREAD_ARG (thread); |
718e3744 | 615 | |
616 | sock = THREAD_FD (thread); | |
43459b1f | 617 | zns->rtadv.ra_read = NULL; |
718e3744 | 618 | |
619 | /* Register myself. */ | |
43459b1f | 620 | rtadv_event (zns, RTADV_READ, sock); |
718e3744 | 621 | |
911ad1e2 | 622 | len = rtadv_recv_packet (zns, sock, buf, BUFSIZ, &from, &ifindex, &hoplimit); |
718e3744 | 623 | |
624 | if (len < 0) | |
625 | { | |
f360eac0 | 626 | zlog_warn ("RA/RS recv failed, socket %u error %s", |
627 | sock, safe_strerror (errno)); | |
718e3744 | 628 | return len; |
629 | } | |
630 | ||
43459b1f | 631 | rtadv_process_packet (buf, (unsigned)len, ifindex, hoplimit, &from, zns); |
718e3744 | 632 | |
633 | return 0; | |
634 | } | |
635 | ||
a1ac18c4 | 636 | static int |
43459b1f | 637 | rtadv_make_socket (void) |
718e3744 | 638 | { |
639 | int sock; | |
43459b1f | 640 | int ret = 0; |
718e3744 | 641 | struct icmp6_filter filter; |
642 | ||
edd7c245 | 643 | if ( zserv_privs.change (ZPRIVS_RAISE) ) |
644 | zlog_err ("rtadv_make_socket: could not raise privs, %s", | |
6099b3b5 | 645 | safe_strerror (errno) ); |
edd7c245 | 646 | |
43459b1f | 647 | sock = socket (AF_INET6, SOCK_RAW, IPPROTO_ICMPV6); |
718e3744 | 648 | |
edd7c245 | 649 | if ( zserv_privs.change (ZPRIVS_LOWER) ) |
650 | zlog_err ("rtadv_make_socket: could not lower privs, %s", | |
6099b3b5 | 651 | safe_strerror (errno) ); |
edd7c245 | 652 | |
718e3744 | 653 | if (sock < 0) |
a5c304ab MS |
654 | { |
655 | close (sock); | |
656 | return -1; | |
657 | } | |
718e3744 | 658 | |
659 | ret = setsockopt_ipv6_pktinfo (sock, 1); | |
718e3744 | 660 | if (ret < 0) |
a5c304ab MS |
661 | { |
662 | close (sock); | |
663 | return ret; | |
664 | } | |
718e3744 | 665 | ret = setsockopt_ipv6_multicast_loop (sock, 0); |
666 | if (ret < 0) | |
a5c304ab MS |
667 | { |
668 | close (sock); | |
669 | return ret; | |
670 | } | |
718e3744 | 671 | ret = setsockopt_ipv6_unicast_hops (sock, 255); |
672 | if (ret < 0) | |
a5c304ab MS |
673 | { |
674 | close (sock); | |
675 | return ret; | |
676 | } | |
718e3744 | 677 | ret = setsockopt_ipv6_multicast_hops (sock, 255); |
678 | if (ret < 0) | |
a5c304ab MS |
679 | { |
680 | close (sock); | |
681 | return ret; | |
682 | } | |
718e3744 | 683 | ret = setsockopt_ipv6_hoplimit (sock, 1); |
684 | if (ret < 0) | |
a5c304ab MS |
685 | { |
686 | close (sock); | |
687 | return ret; | |
688 | } | |
718e3744 | 689 | |
690 | ICMP6_FILTER_SETBLOCKALL(&filter); | |
691 | ICMP6_FILTER_SETPASS (ND_ROUTER_SOLICIT, &filter); | |
692 | ICMP6_FILTER_SETPASS (ND_ROUTER_ADVERT, &filter); | |
693 | ||
694 | ret = setsockopt (sock, IPPROTO_ICMPV6, ICMP6_FILTER, &filter, | |
695 | sizeof (struct icmp6_filter)); | |
696 | if (ret < 0) | |
697 | { | |
6099b3b5 | 698 | zlog_info ("ICMP6_FILTER set fail: %s", safe_strerror (errno)); |
718e3744 | 699 | return ret; |
700 | } | |
701 | ||
702 | return sock; | |
703 | } | |
6b0655a2 | 704 | |
a1ac18c4 | 705 | static struct rtadv_prefix * |
66e5cd87 | 706 | rtadv_prefix_new (void) |
718e3744 | 707 | { |
393deb9b | 708 | return XCALLOC (MTYPE_RTADV_PREFIX, sizeof (struct rtadv_prefix)); |
718e3744 | 709 | } |
710 | ||
a1ac18c4 | 711 | static void |
718e3744 | 712 | rtadv_prefix_free (struct rtadv_prefix *rtadv_prefix) |
713 | { | |
714 | XFREE (MTYPE_RTADV_PREFIX, rtadv_prefix); | |
715 | } | |
716 | ||
a1ac18c4 | 717 | static struct rtadv_prefix * |
aca43b65 | 718 | rtadv_prefix_lookup (struct list *rplist, struct prefix_ipv6 *p) |
718e3744 | 719 | { |
52dc7ee6 | 720 | struct listnode *node; |
718e3744 | 721 | struct rtadv_prefix *rprefix; |
722 | ||
1eb8ef25 | 723 | for (ALL_LIST_ELEMENTS_RO (rplist, node, rprefix)) |
aca43b65 | 724 | if (prefix_same ((struct prefix *) &rprefix->prefix, (struct prefix *) p)) |
1eb8ef25 | 725 | return rprefix; |
718e3744 | 726 | return NULL; |
727 | } | |
728 | ||
a1ac18c4 | 729 | static struct rtadv_prefix * |
aca43b65 | 730 | rtadv_prefix_get (struct list *rplist, struct prefix_ipv6 *p) |
718e3744 | 731 | { |
732 | struct rtadv_prefix *rprefix; | |
733 | ||
734 | rprefix = rtadv_prefix_lookup (rplist, p); | |
735 | if (rprefix) | |
736 | return rprefix; | |
737 | ||
738 | rprefix = rtadv_prefix_new (); | |
aca43b65 | 739 | memcpy (&rprefix->prefix, p, sizeof (struct prefix_ipv6)); |
718e3744 | 740 | listnode_add (rplist, rprefix); |
741 | ||
742 | return rprefix; | |
743 | } | |
744 | ||
a1ac18c4 | 745 | static void |
718e3744 | 746 | rtadv_prefix_set (struct zebra_if *zif, struct rtadv_prefix *rp) |
747 | { | |
748 | struct rtadv_prefix *rprefix; | |
749 | ||
750 | rprefix = rtadv_prefix_get (zif->rtadv.AdvPrefixList, &rp->prefix); | |
751 | ||
752 | /* Set parameters. */ | |
753 | rprefix->AdvValidLifetime = rp->AdvValidLifetime; | |
754 | rprefix->AdvPreferredLifetime = rp->AdvPreferredLifetime; | |
755 | rprefix->AdvOnLinkFlag = rp->AdvOnLinkFlag; | |
756 | rprefix->AdvAutonomousFlag = rp->AdvAutonomousFlag; | |
7cee1bb1 | 757 | rprefix->AdvRouterAddressFlag = rp->AdvRouterAddressFlag; |
718e3744 | 758 | } |
759 | ||
a1ac18c4 | 760 | static int |
718e3744 | 761 | rtadv_prefix_reset (struct zebra_if *zif, struct rtadv_prefix *rp) |
762 | { | |
763 | struct rtadv_prefix *rprefix; | |
764 | ||
765 | rprefix = rtadv_prefix_lookup (zif->rtadv.AdvPrefixList, &rp->prefix); | |
766 | if (rprefix != NULL) | |
767 | { | |
768 | listnode_delete (zif->rtadv.AdvPrefixList, (void *) rprefix); | |
769 | rtadv_prefix_free (rprefix); | |
770 | return 1; | |
771 | } | |
772 | else | |
773 | return 0; | |
774 | } | |
775 | ||
4a04e5f7 | 776 | static void |
b6120505 DW |
777 | ipv6_nd_suppress_ra_set (struct interface *ifp, ipv6_nd_suppress_ra_status status) |
778 | { | |
779 | struct zebra_if *zif; | |
780 | struct zebra_vrf *zvrf; | |
43459b1f | 781 | struct zebra_ns *zns; |
b6120505 DW |
782 | |
783 | zif = ifp->info; | |
784 | zvrf = vrf_info_lookup (ifp->vrf_id); | |
43459b1f | 785 | zns = zvrf->zns; |
b6120505 DW |
786 | |
787 | if (status == RA_SUPPRESS) | |
788 | { | |
789 | /* RA is currently enabled */ | |
790 | if (zif->rtadv.AdvSendAdvertisements) | |
791 | { | |
792 | zif->rtadv.AdvSendAdvertisements = 0; | |
793 | zif->rtadv.AdvIntervalTimer = 0; | |
43459b1f | 794 | zns->rtadv.adv_if_count--; |
b6120505 | 795 | |
43459b1f | 796 | if_leave_all_router (zns->rtadv.sock, ifp); |
b6120505 | 797 | |
43459b1f | 798 | if (zns->rtadv.adv_if_count == 0) |
799 | rtadv_event (zns, RTADV_STOP, 0); | |
b6120505 DW |
800 | } |
801 | } | |
802 | else | |
803 | { | |
804 | if (! zif->rtadv.AdvSendAdvertisements) | |
805 | { | |
806 | zif->rtadv.AdvSendAdvertisements = 1; | |
807 | zif->rtadv.AdvIntervalTimer = 0; | |
43459b1f | 808 | zns->rtadv.adv_if_count++; |
b6120505 | 809 | |
6c9678b4 DD |
810 | if (zif->rtadv.MaxRtrAdvInterval >= 1000) |
811 | { | |
812 | /* Enable Fast RA only when RA interval is in secs */ | |
813 | zif->rtadv.inFastRexmit = 1; | |
814 | zif->rtadv.NumFastReXmitsRemain = RTADV_NUM_FAST_REXMITS; | |
815 | } | |
816 | ||
43459b1f | 817 | if_join_all_router (zns->rtadv.sock, ifp); |
b6120505 | 818 | |
43459b1f | 819 | if (zns->rtadv.adv_if_count == 1) |
820 | rtadv_event (zns, RTADV_START, zns->rtadv.sock); | |
b6120505 DW |
821 | } |
822 | } | |
823 | } | |
824 | ||
4a04e5f7 | 825 | /* |
826 | * Handle client (BGP) message to enable or disable IPv6 RA on an interface. | |
827 | * Note that while the client could request RA on an interface on which the | |
828 | * operator has not enabled RA, RA won't be disabled upon client request | |
5c81b96a | 829 | * if the operator has explicitly enabled RA. The enable request can also |
830 | * specify a RA interval (in seconds). | |
4a04e5f7 | 831 | */ |
832 | void | |
833 | zebra_interface_radv_set (struct zserv *client, int sock, u_short length, | |
834 | struct zebra_vrf *zvrf, int enable) | |
835 | { | |
836 | struct stream *s; | |
837 | unsigned int ifindex; | |
838 | struct interface *ifp; | |
839 | struct zebra_if *zif; | |
5c81b96a | 840 | int ra_interval; |
4a04e5f7 | 841 | |
842 | s = client->ibuf; | |
843 | ||
5c81b96a | 844 | /* Get interface index and RA interval. */ |
4a04e5f7 | 845 | ifindex = stream_getl (s); |
5c81b96a | 846 | ra_interval = stream_getl (s); |
4a04e5f7 | 847 | |
848 | if (IS_ZEBRA_DEBUG_EVENT) | |
5c81b96a | 849 | zlog_debug("%u: IF %u RA %s from client %s, interval %ds", |
4a04e5f7 | 850 | zvrf->vrf_id, ifindex, enable ? "enable" : "disable", |
5c81b96a | 851 | zebra_route_string(client->proto), ra_interval); |
4a04e5f7 | 852 | |
853 | /* Locate interface and check VRF match. */ | |
854 | ifp = if_lookup_by_index_per_ns (zebra_ns_lookup (NS_DEFAULT), ifindex); | |
855 | if (!ifp) | |
856 | { | |
857 | zlog_warn("%u: IF %u RA %s client %s - interface unknown", | |
858 | zvrf->vrf_id, ifindex, enable ? "enable" : "disable", | |
859 | zebra_route_string(client->proto)); | |
860 | return; | |
861 | } | |
862 | if (ifp->vrf_id != zvrf->vrf_id) | |
863 | { | |
864 | zlog_warn("%u: IF %u RA %s client %s - VRF mismatch, IF VRF %u", | |
865 | zvrf->vrf_id, ifindex, enable ? "enable" : "disable", | |
866 | zebra_route_string(client->proto), ifp->vrf_id); | |
867 | return; | |
868 | } | |
869 | ||
870 | zif = ifp->info; | |
871 | if (enable) | |
5c81b96a | 872 | { |
873 | ipv6_nd_suppress_ra_set (ifp, RA_ENABLE); | |
874 | if (ra_interval && | |
875 | (ra_interval * 1000) < zif->rtadv.MaxRtrAdvInterval) | |
876 | zif->rtadv.MaxRtrAdvInterval = ra_interval * 1000; | |
877 | } | |
4a04e5f7 | 878 | else |
879 | { | |
880 | if (!zif->rtadv.configured) | |
5c81b96a | 881 | { |
882 | zif->rtadv.MaxRtrAdvInterval = RTADV_MAX_RTR_ADV_INTERVAL; | |
883 | ipv6_nd_suppress_ra_set (ifp, RA_SUPPRESS); | |
884 | } | |
4a04e5f7 | 885 | } |
886 | } | |
887 | ||
718e3744 | 888 | DEFUN (ipv6_nd_suppress_ra, |
889 | ipv6_nd_suppress_ra_cmd, | |
890 | "ipv6 nd suppress-ra", | |
3e31cded | 891 | "Interface IPv6 config commands\n" |
718e3744 | 892 | "Neighbor discovery\n" |
893 | "Suppress Router Advertisement\n") | |
894 | { | |
895 | struct interface *ifp; | |
4a04e5f7 | 896 | struct zebra_if *zif; |
718e3744 | 897 | |
898 | ifp = vty->index; | |
718e3744 | 899 | |
c23af4d3 | 900 | if (if_is_loopback (ifp) || |
901 | CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_VRF_LOOPBACK)) | |
718e3744 | 902 | { |
c23af4d3 | 903 | vty_out (vty, "Cannot configure IPv6 Router Advertisements on this interface%s", VTY_NEWLINE); |
718e3744 | 904 | return CMD_WARNING; |
905 | } | |
906 | ||
b6120505 | 907 | ipv6_nd_suppress_ra_set (ifp, RA_SUPPRESS); |
4a04e5f7 | 908 | zif = ifp->info; |
909 | zif->rtadv.configured = 0; | |
718e3744 | 910 | return CMD_SUCCESS; |
911 | } | |
912 | ||
718e3744 | 913 | DEFUN (no_ipv6_nd_suppress_ra, |
914 | no_ipv6_nd_suppress_ra_cmd, | |
915 | "no ipv6 nd suppress-ra", | |
916 | NO_STR | |
3e31cded | 917 | "Interface IPv6 config commands\n" |
718e3744 | 918 | "Neighbor discovery\n" |
919 | "Suppress Router Advertisement\n") | |
920 | { | |
921 | struct interface *ifp; | |
4a04e5f7 | 922 | struct zebra_if *zif; |
718e3744 | 923 | |
924 | ifp = vty->index; | |
718e3744 | 925 | |
c23af4d3 | 926 | if (if_is_loopback (ifp) || |
927 | CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_VRF_LOOPBACK)) | |
718e3744 | 928 | { |
c23af4d3 | 929 | vty_out (vty, "Cannot configure IPv6 Router Advertisements on this interface%s", VTY_NEWLINE); |
718e3744 | 930 | return CMD_WARNING; |
931 | } | |
932 | ||
b6120505 | 933 | ipv6_nd_suppress_ra_set (ifp, RA_ENABLE); |
4a04e5f7 | 934 | zif = ifp->info; |
935 | zif->rtadv.configured = 1; | |
718e3744 | 936 | return CMD_SUCCESS; |
937 | } | |
938 | ||
7cee1bb1 | 939 | DEFUN (ipv6_nd_ra_interval_msec, |
940 | ipv6_nd_ra_interval_msec_cmd, | |
4afa50b3 | 941 | "ipv6 nd ra-interval msec <70-1800000>", |
7cee1bb1 | 942 | "Interface IPv6 config commands\n" |
943 | "Neighbor discovery\n" | |
944 | "Router Advertisement interval\n" | |
945 | "Router Advertisement interval in milliseconds\n") | |
946 | { | |
4afa50b3 DO |
947 | unsigned interval; |
948 | struct interface *ifp = (struct interface *) vty->index; | |
949 | struct zebra_if *zif = ifp->info; | |
cd80d74f | 950 | struct zebra_vrf *zvrf = vrf_info_lookup (ifp->vrf_id); |
43459b1f | 951 | struct zebra_ns *zns; |
7cee1bb1 | 952 | |
43459b1f | 953 | zns = zvrf->zns; |
4afa50b3 DO |
954 | VTY_GET_INTEGER_RANGE ("router advertisement interval", interval, argv[0], 70, 1800000); |
955 | if ((zif->rtadv.AdvDefaultLifetime != -1 && interval > (unsigned)zif->rtadv.AdvDefaultLifetime * 1000)) | |
956 | { | |
957 | vty_out (vty, "This ra-interval would conflict with configured ra-lifetime!%s", VTY_NEWLINE); | |
958 | return CMD_WARNING; | |
959 | } | |
7cee1bb1 | 960 | |
961 | if (zif->rtadv.MaxRtrAdvInterval % 1000) | |
43459b1f | 962 | zns->rtadv.adv_msec_if_count--; |
7cee1bb1 | 963 | |
964 | if (interval % 1000) | |
43459b1f | 965 | zns->rtadv.adv_msec_if_count++; |
7cee1bb1 | 966 | |
967 | zif->rtadv.MaxRtrAdvInterval = interval; | |
968 | zif->rtadv.MinRtrAdvInterval = 0.33 * interval; | |
969 | zif->rtadv.AdvIntervalTimer = 0; | |
970 | ||
971 | return CMD_SUCCESS; | |
972 | } | |
973 | ||
718e3744 | 974 | DEFUN (ipv6_nd_ra_interval, |
975 | ipv6_nd_ra_interval_cmd, | |
4afa50b3 | 976 | "ipv6 nd ra-interval <1-1800>", |
3e31cded | 977 | "Interface IPv6 config commands\n" |
718e3744 | 978 | "Neighbor discovery\n" |
979 | "Router Advertisement interval\n" | |
980 | "Router Advertisement interval in seconds\n") | |
981 | { | |
4afa50b3 DO |
982 | unsigned interval; |
983 | struct interface *ifp = (struct interface *) vty->index; | |
984 | struct zebra_if *zif = ifp->info; | |
cd80d74f | 985 | struct zebra_vrf *zvrf = vrf_info_lookup (ifp->vrf_id); |
43459b1f | 986 | struct zebra_ns *zns; |
718e3744 | 987 | |
43459b1f | 988 | zns = zvrf->zns; |
4afa50b3 DO |
989 | VTY_GET_INTEGER_RANGE ("router advertisement interval", interval, argv[0], 1, 1800); |
990 | if ((zif->rtadv.AdvDefaultLifetime != -1 && interval > (unsigned)zif->rtadv.AdvDefaultLifetime)) | |
991 | { | |
992 | vty_out (vty, "This ra-interval would conflict with configured ra-lifetime!%s", VTY_NEWLINE); | |
993 | return CMD_WARNING; | |
994 | } | |
718e3744 | 995 | |
7cee1bb1 | 996 | if (zif->rtadv.MaxRtrAdvInterval % 1000) |
43459b1f | 997 | zns->rtadv.adv_msec_if_count--; |
7cee1bb1 | 998 | |
999 | /* convert to milliseconds */ | |
1000 | interval = interval * 1000; | |
1001 | ||
718e3744 | 1002 | zif->rtadv.MaxRtrAdvInterval = interval; |
1003 | zif->rtadv.MinRtrAdvInterval = 0.33 * interval; | |
1004 | zif->rtadv.AdvIntervalTimer = 0; | |
1005 | ||
1006 | return CMD_SUCCESS; | |
1007 | } | |
1008 | ||
1009 | DEFUN (no_ipv6_nd_ra_interval, | |
1010 | no_ipv6_nd_ra_interval_cmd, | |
1011 | "no ipv6 nd ra-interval", | |
1012 | NO_STR | |
3e31cded | 1013 | "Interface IPv6 config commands\n" |
718e3744 | 1014 | "Neighbor discovery\n" |
1015 | "Router Advertisement interval\n") | |
1016 | { | |
1017 | struct interface *ifp; | |
1018 | struct zebra_if *zif; | |
cd80d74f | 1019 | struct zebra_vrf *zvrf; |
43459b1f | 1020 | struct zebra_ns *zns; |
718e3744 | 1021 | |
1022 | ifp = (struct interface *) vty->index; | |
1023 | zif = ifp->info; | |
cd80d74f | 1024 | zvrf = vrf_info_lookup (ifp->vrf_id); |
43459b1f | 1025 | zns = zvrf->zns; |
718e3744 | 1026 | |
7cee1bb1 | 1027 | if (zif->rtadv.MaxRtrAdvInterval % 1000) |
43459b1f | 1028 | zns->rtadv.adv_msec_if_count--; |
7cee1bb1 | 1029 | |
718e3744 | 1030 | zif->rtadv.MaxRtrAdvInterval = RTADV_MAX_RTR_ADV_INTERVAL; |
1031 | zif->rtadv.MinRtrAdvInterval = RTADV_MIN_RTR_ADV_INTERVAL; | |
1032 | zif->rtadv.AdvIntervalTimer = zif->rtadv.MaxRtrAdvInterval; | |
1033 | ||
1034 | return CMD_SUCCESS; | |
1035 | } | |
1036 | ||
4afa50b3 DO |
1037 | ALIAS (no_ipv6_nd_ra_interval, |
1038 | no_ipv6_nd_ra_interval_val_cmd, | |
1039 | "no ipv6 nd ra-interval <1-1800>", | |
1040 | NO_STR | |
1041 | "Interface IPv6 config commands\n" | |
1042 | "Neighbor discovery\n" | |
1043 | "Router Advertisement interval\n") | |
1044 | ||
1045 | ALIAS (no_ipv6_nd_ra_interval, | |
1046 | no_ipv6_nd_ra_interval_msec_val_cmd, | |
1047 | "no ipv6 nd ra-interval msec <1-1800000>", | |
1048 | NO_STR | |
1049 | "Interface IPv6 config commands\n" | |
1050 | "Neighbor discovery\n" | |
1051 | "Router Advertisement interval\n" | |
1052 | "Router Advertisement interval in milliseconds\n") | |
1053 | ||
718e3744 | 1054 | DEFUN (ipv6_nd_ra_lifetime, |
1055 | ipv6_nd_ra_lifetime_cmd, | |
4afa50b3 | 1056 | "ipv6 nd ra-lifetime <0-9000>", |
3e31cded | 1057 | "Interface IPv6 config commands\n" |
718e3744 | 1058 | "Neighbor discovery\n" |
1059 | "Router lifetime\n" | |
4afa50b3 | 1060 | "Router lifetime in seconds (0 stands for a non-default gw)\n") |
718e3744 | 1061 | { |
1062 | int lifetime; | |
1063 | struct interface *ifp; | |
1064 | struct zebra_if *zif; | |
1065 | ||
1066 | ifp = (struct interface *) vty->index; | |
1067 | zif = ifp->info; | |
1068 | ||
4afa50b3 | 1069 | VTY_GET_INTEGER_RANGE ("router lifetime", lifetime, argv[0], 0, 9000); |
718e3744 | 1070 | |
d660f698 DO |
1071 | /* The value to be placed in the Router Lifetime field |
1072 | * of Router Advertisements sent from the interface, | |
1073 | * in seconds. MUST be either zero or between | |
1074 | * MaxRtrAdvInterval and 9000 seconds. -- RFC4861, 6.2.1 */ | |
4afa50b3 | 1075 | if ((lifetime != 0 && lifetime * 1000 < zif->rtadv.MaxRtrAdvInterval)) |
718e3744 | 1076 | { |
4afa50b3 | 1077 | vty_out (vty, "This ra-lifetime would conflict with configured ra-interval%s", VTY_NEWLINE); |
718e3744 | 1078 | return CMD_WARNING; |
1079 | } | |
1080 | ||
1081 | zif->rtadv.AdvDefaultLifetime = lifetime; | |
1082 | ||
1083 | return CMD_SUCCESS; | |
1084 | } | |
1085 | ||
1086 | DEFUN (no_ipv6_nd_ra_lifetime, | |
1087 | no_ipv6_nd_ra_lifetime_cmd, | |
1088 | "no ipv6 nd ra-lifetime", | |
1089 | NO_STR | |
3e31cded | 1090 | "Interface IPv6 config commands\n" |
718e3744 | 1091 | "Neighbor discovery\n" |
1092 | "Router lifetime\n") | |
1093 | { | |
1094 | struct interface *ifp; | |
1095 | struct zebra_if *zif; | |
1096 | ||
1097 | ifp = (struct interface *) vty->index; | |
1098 | zif = ifp->info; | |
1099 | ||
d660f698 | 1100 | zif->rtadv.AdvDefaultLifetime = -1; |
718e3744 | 1101 | |
1102 | return CMD_SUCCESS; | |
1103 | } | |
1104 | ||
4afa50b3 DO |
1105 | ALIAS (no_ipv6_nd_ra_lifetime, |
1106 | no_ipv6_nd_ra_lifetime_val_cmd, | |
1107 | "no ipv6 nd ra-lifetime <0-9000>", | |
1108 | NO_STR | |
1109 | "Interface IPv6 config commands\n" | |
1110 | "Neighbor discovery\n" | |
1111 | "Router lifetime\n" | |
1112 | "Router lifetime in seconds (0 stands for a non-default gw)\n") | |
1113 | ||
718e3744 | 1114 | DEFUN (ipv6_nd_reachable_time, |
1115 | ipv6_nd_reachable_time_cmd, | |
4afa50b3 | 1116 | "ipv6 nd reachable-time <1-3600000>", |
3e31cded | 1117 | "Interface IPv6 config commands\n" |
718e3744 | 1118 | "Neighbor discovery\n" |
1119 | "Reachable time\n" | |
1120 | "Reachable time in milliseconds\n") | |
1121 | { | |
4afa50b3 DO |
1122 | struct interface *ifp = (struct interface *) vty->index; |
1123 | struct zebra_if *zif = ifp->info; | |
1124 | VTY_GET_INTEGER_RANGE ("reachable time", zif->rtadv.AdvReachableTime, argv[0], 1, RTADV_MAX_REACHABLE_TIME); | |
718e3744 | 1125 | return CMD_SUCCESS; |
1126 | } | |
1127 | ||
1128 | DEFUN (no_ipv6_nd_reachable_time, | |
1129 | no_ipv6_nd_reachable_time_cmd, | |
1130 | "no ipv6 nd reachable-time", | |
1131 | NO_STR | |
3e31cded | 1132 | "Interface IPv6 config commands\n" |
718e3744 | 1133 | "Neighbor discovery\n" |
1134 | "Reachable time\n") | |
1135 | { | |
1136 | struct interface *ifp; | |
1137 | struct zebra_if *zif; | |
1138 | ||
1139 | ifp = (struct interface *) vty->index; | |
1140 | zif = ifp->info; | |
1141 | ||
1142 | zif->rtadv.AdvReachableTime = 0; | |
1143 | ||
1144 | return CMD_SUCCESS; | |
1145 | } | |
1146 | ||
4afa50b3 DO |
1147 | ALIAS (no_ipv6_nd_reachable_time, |
1148 | no_ipv6_nd_reachable_time_val_cmd, | |
1149 | "no ipv6 nd reachable-time <1-3600000>", | |
1150 | NO_STR | |
1151 | "Interface IPv6 config commands\n" | |
1152 | "Neighbor discovery\n" | |
1153 | "Reachable time\n" | |
1154 | "Reachable time in milliseconds\n") | |
1155 | ||
7cee1bb1 | 1156 | DEFUN (ipv6_nd_homeagent_preference, |
1157 | ipv6_nd_homeagent_preference_cmd, | |
4afa50b3 | 1158 | "ipv6 nd home-agent-preference <0-65535>", |
7cee1bb1 | 1159 | "Interface IPv6 config commands\n" |
1160 | "Neighbor discovery\n" | |
1161 | "Home Agent preference\n" | |
4afa50b3 | 1162 | "preference value (default is 0, least preferred)\n") |
7cee1bb1 | 1163 | { |
4afa50b3 DO |
1164 | struct interface *ifp = (struct interface *) vty->index; |
1165 | struct zebra_if *zif = ifp->info; | |
1166 | VTY_GET_INTEGER_RANGE ("home agent preference", zif->rtadv.HomeAgentPreference, argv[0], 0, 65535); | |
7cee1bb1 | 1167 | return CMD_SUCCESS; |
1168 | } | |
1169 | ||
1170 | DEFUN (no_ipv6_nd_homeagent_preference, | |
1171 | no_ipv6_nd_homeagent_preference_cmd, | |
1172 | "no ipv6 nd home-agent-preference", | |
1173 | NO_STR | |
1174 | "Interface IPv6 config commands\n" | |
1175 | "Neighbor discovery\n" | |
1176 | "Home Agent preference\n") | |
1177 | { | |
1178 | struct interface *ifp; | |
1179 | struct zebra_if *zif; | |
1180 | ||
1181 | ifp = (struct interface *) vty->index; | |
1182 | zif = ifp->info; | |
1183 | ||
1184 | zif->rtadv.HomeAgentPreference = 0; | |
1185 | ||
1186 | return CMD_SUCCESS; | |
1187 | } | |
1188 | ||
4afa50b3 DO |
1189 | ALIAS (no_ipv6_nd_homeagent_preference, |
1190 | no_ipv6_nd_homeagent_preference_val_cmd, | |
1191 | "no ipv6 nd home-agent-preference <0-65535>", | |
1192 | NO_STR | |
1193 | "Interface IPv6 config commands\n" | |
1194 | "Neighbor discovery\n" | |
1195 | "Home Agent preference\n" | |
1196 | "preference value (default is 0, least preferred)\n") | |
1197 | ||
7cee1bb1 | 1198 | DEFUN (ipv6_nd_homeagent_lifetime, |
1199 | ipv6_nd_homeagent_lifetime_cmd, | |
4afa50b3 | 1200 | "ipv6 nd home-agent-lifetime <0-65520>", |
7cee1bb1 | 1201 | "Interface IPv6 config commands\n" |
1202 | "Neighbor discovery\n" | |
1203 | "Home Agent lifetime\n" | |
4afa50b3 | 1204 | "Home Agent lifetime in seconds (0 to track ra-lifetime)\n") |
7cee1bb1 | 1205 | { |
4afa50b3 DO |
1206 | struct interface *ifp = (struct interface *) vty->index; |
1207 | struct zebra_if *zif = ifp->info; | |
1208 | VTY_GET_INTEGER_RANGE ("home agent lifetime", zif->rtadv.HomeAgentLifetime, argv[0], 0, RTADV_MAX_HALIFETIME); | |
7cee1bb1 | 1209 | return CMD_SUCCESS; |
1210 | } | |
1211 | ||
1212 | DEFUN (no_ipv6_nd_homeagent_lifetime, | |
1213 | no_ipv6_nd_homeagent_lifetime_cmd, | |
1214 | "no ipv6 nd home-agent-lifetime", | |
1215 | NO_STR | |
1216 | "Interface IPv6 config commands\n" | |
1217 | "Neighbor discovery\n" | |
1218 | "Home Agent lifetime\n") | |
1219 | { | |
1220 | struct interface *ifp; | |
1221 | struct zebra_if *zif; | |
1222 | ||
1223 | ifp = (struct interface *) vty->index; | |
1224 | zif = ifp->info; | |
1225 | ||
d660f698 | 1226 | zif->rtadv.HomeAgentLifetime = -1; |
7cee1bb1 | 1227 | |
1228 | return CMD_SUCCESS; | |
1229 | } | |
1230 | ||
4afa50b3 DO |
1231 | ALIAS (no_ipv6_nd_homeagent_lifetime, |
1232 | no_ipv6_nd_homeagent_lifetime_val_cmd, | |
1233 | "no ipv6 nd home-agent-lifetime <0-65520>", | |
1234 | NO_STR | |
1235 | "Interface IPv6 config commands\n" | |
1236 | "Neighbor discovery\n" | |
1237 | "Home Agent lifetime\n" | |
1238 | "Home Agent lifetime in seconds (0 to track ra-lifetime)\n") | |
1239 | ||
718e3744 | 1240 | DEFUN (ipv6_nd_managed_config_flag, |
1241 | ipv6_nd_managed_config_flag_cmd, | |
1242 | "ipv6 nd managed-config-flag", | |
3e31cded | 1243 | "Interface IPv6 config commands\n" |
718e3744 | 1244 | "Neighbor discovery\n" |
1245 | "Managed address configuration flag\n") | |
1246 | { | |
1247 | struct interface *ifp; | |
1248 | struct zebra_if *zif; | |
1249 | ||
1250 | ifp = (struct interface *) vty->index; | |
1251 | zif = ifp->info; | |
1252 | ||
1253 | zif->rtadv.AdvManagedFlag = 1; | |
1254 | ||
1255 | return CMD_SUCCESS; | |
1256 | } | |
1257 | ||
1258 | DEFUN (no_ipv6_nd_managed_config_flag, | |
1259 | no_ipv6_nd_managed_config_flag_cmd, | |
1260 | "no ipv6 nd managed-config-flag", | |
1261 | NO_STR | |
3e31cded | 1262 | "Interface IPv6 config commands\n" |
718e3744 | 1263 | "Neighbor discovery\n" |
1264 | "Managed address configuration flag\n") | |
1265 | { | |
1266 | struct interface *ifp; | |
1267 | struct zebra_if *zif; | |
1268 | ||
1269 | ifp = (struct interface *) vty->index; | |
1270 | zif = ifp->info; | |
1271 | ||
1272 | zif->rtadv.AdvManagedFlag = 0; | |
1273 | ||
1274 | return CMD_SUCCESS; | |
1275 | } | |
1276 | ||
7cee1bb1 | 1277 | DEFUN (ipv6_nd_homeagent_config_flag, |
1278 | ipv6_nd_homeagent_config_flag_cmd, | |
1279 | "ipv6 nd home-agent-config-flag", | |
1280 | "Interface IPv6 config commands\n" | |
1281 | "Neighbor discovery\n" | |
1282 | "Home Agent configuration flag\n") | |
1283 | { | |
1284 | struct interface *ifp; | |
1285 | struct zebra_if *zif; | |
1286 | ||
1287 | ifp = (struct interface *) vty->index; | |
1288 | zif = ifp->info; | |
1289 | ||
1290 | zif->rtadv.AdvHomeAgentFlag = 1; | |
1291 | ||
1292 | return CMD_SUCCESS; | |
1293 | } | |
1294 | ||
1295 | DEFUN (no_ipv6_nd_homeagent_config_flag, | |
1296 | no_ipv6_nd_homeagent_config_flag_cmd, | |
1297 | "no ipv6 nd home-agent-config-flag", | |
1298 | NO_STR | |
1299 | "Interface IPv6 config commands\n" | |
1300 | "Neighbor discovery\n" | |
1301 | "Home Agent configuration flag\n") | |
1302 | { | |
1303 | struct interface *ifp; | |
1304 | struct zebra_if *zif; | |
1305 | ||
1306 | ifp = (struct interface *) vty->index; | |
1307 | zif = ifp->info; | |
1308 | ||
1309 | zif->rtadv.AdvHomeAgentFlag = 0; | |
1310 | ||
1311 | return CMD_SUCCESS; | |
1312 | } | |
1313 | ||
1314 | DEFUN (ipv6_nd_adv_interval_config_option, | |
1315 | ipv6_nd_adv_interval_config_option_cmd, | |
1316 | "ipv6 nd adv-interval-option", | |
1317 | "Interface IPv6 config commands\n" | |
1318 | "Neighbor discovery\n" | |
1319 | "Advertisement Interval Option\n") | |
1320 | { | |
1321 | struct interface *ifp; | |
1322 | struct zebra_if *zif; | |
1323 | ||
1324 | ifp = (struct interface *) vty->index; | |
1325 | zif = ifp->info; | |
1326 | ||
1327 | zif->rtadv.AdvIntervalOption = 1; | |
1328 | ||
1329 | return CMD_SUCCESS; | |
1330 | } | |
1331 | ||
1332 | DEFUN (no_ipv6_nd_adv_interval_config_option, | |
1333 | no_ipv6_nd_adv_interval_config_option_cmd, | |
1334 | "no ipv6 nd adv-interval-option", | |
1335 | NO_STR | |
1336 | "Interface IPv6 config commands\n" | |
1337 | "Neighbor discovery\n" | |
1338 | "Advertisement Interval Option\n") | |
1339 | { | |
1340 | struct interface *ifp; | |
1341 | struct zebra_if *zif; | |
1342 | ||
1343 | ifp = (struct interface *) vty->index; | |
1344 | zif = ifp->info; | |
1345 | ||
1346 | zif->rtadv.AdvIntervalOption = 0; | |
1347 | ||
1348 | return CMD_SUCCESS; | |
1349 | } | |
1350 | ||
718e3744 | 1351 | DEFUN (ipv6_nd_other_config_flag, |
1352 | ipv6_nd_other_config_flag_cmd, | |
1353 | "ipv6 nd other-config-flag", | |
3e31cded | 1354 | "Interface IPv6 config commands\n" |
718e3744 | 1355 | "Neighbor discovery\n" |
1356 | "Other statefull configuration flag\n") | |
1357 | { | |
1358 | struct interface *ifp; | |
1359 | struct zebra_if *zif; | |
1360 | ||
1361 | ifp = (struct interface *) vty->index; | |
1362 | zif = ifp->info; | |
1363 | ||
1364 | zif->rtadv.AdvOtherConfigFlag = 1; | |
1365 | ||
1366 | return CMD_SUCCESS; | |
1367 | } | |
1368 | ||
1369 | DEFUN (no_ipv6_nd_other_config_flag, | |
1370 | no_ipv6_nd_other_config_flag_cmd, | |
1371 | "no ipv6 nd other-config-flag", | |
1372 | NO_STR | |
3e31cded | 1373 | "Interface IPv6 config commands\n" |
718e3744 | 1374 | "Neighbor discovery\n" |
1375 | "Other statefull configuration flag\n") | |
1376 | { | |
1377 | struct interface *ifp; | |
1378 | struct zebra_if *zif; | |
1379 | ||
1380 | ifp = (struct interface *) vty->index; | |
1381 | zif = ifp->info; | |
1382 | ||
1383 | zif->rtadv.AdvOtherConfigFlag = 0; | |
1384 | ||
1385 | return CMD_SUCCESS; | |
1386 | } | |
1387 | ||
3e31cded | 1388 | DEFUN (ipv6_nd_prefix, |
1389 | ipv6_nd_prefix_cmd, | |
1390 | "ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) " | |
7cee1bb1 | 1391 | "(<0-4294967295>|infinite) (off-link|) (no-autoconfig|) (router-address|)", |
3e31cded | 1392 | "Interface IPv6 config commands\n" |
718e3744 | 1393 | "Neighbor discovery\n" |
1394 | "Prefix information\n" | |
1395 | "IPv6 prefix\n" | |
1396 | "Valid lifetime in seconds\n" | |
3e31cded | 1397 | "Infinite valid lifetime\n" |
718e3744 | 1398 | "Preferred lifetime in seconds\n" |
3e31cded | 1399 | "Infinite preferred lifetime\n" |
1400 | "Do not use prefix for onlink determination\n" | |
7cee1bb1 | 1401 | "Do not use prefix for autoconfiguration\n" |
1402 | "Set Router Address flag\n") | |
718e3744 | 1403 | { |
1404 | int i; | |
1405 | int ret; | |
3e31cded | 1406 | int cursor = 1; |
718e3744 | 1407 | struct interface *ifp; |
1408 | struct zebra_if *zebra_if; | |
1409 | struct rtadv_prefix rp; | |
1410 | ||
1411 | ifp = (struct interface *) vty->index; | |
1412 | zebra_if = ifp->info; | |
1413 | ||
aca43b65 | 1414 | ret = str2prefix_ipv6 (argv[0], &rp.prefix); |
718e3744 | 1415 | if (!ret) |
1416 | { | |
1417 | vty_out (vty, "Malformed IPv6 prefix%s", VTY_NEWLINE); | |
1418 | return CMD_WARNING; | |
1419 | } | |
6bb1273e | 1420 | apply_mask_ipv6 (&rp.prefix); /* RFC4861 4.6.2 */ |
3e31cded | 1421 | rp.AdvOnLinkFlag = 1; |
1422 | rp.AdvAutonomousFlag = 1; | |
7cee1bb1 | 1423 | rp.AdvRouterAddressFlag = 0; |
3e31cded | 1424 | rp.AdvValidLifetime = RTADV_VALID_LIFETIME; |
1425 | rp.AdvPreferredLifetime = RTADV_PREFERRED_LIFETIME; | |
718e3744 | 1426 | |
3e31cded | 1427 | if (argc > 1) |
718e3744 | 1428 | { |
27b87393 DL |
1429 | if ((isdigit((unsigned char)argv[1][0])) |
1430 | || strncmp (argv[1], "i", 1) == 0) | |
718e3744 | 1431 | { |
3e31cded | 1432 | if ( strncmp (argv[1], "i", 1) == 0) |
1433 | rp.AdvValidLifetime = UINT32_MAX; | |
1434 | else | |
1435 | rp.AdvValidLifetime = (u_int32_t) strtoll (argv[1], | |
1436 | (char **)NULL, 10); | |
1437 | ||
1438 | if ( strncmp (argv[2], "i", 1) == 0) | |
1439 | rp.AdvPreferredLifetime = UINT32_MAX; | |
1440 | else | |
1441 | rp.AdvPreferredLifetime = (u_int32_t) strtoll (argv[2], | |
1442 | (char **)NULL, 10); | |
1443 | ||
1444 | if (rp.AdvPreferredLifetime > rp.AdvValidLifetime) | |
1445 | { | |
1446 | vty_out (vty, "Invalid preferred lifetime%s", VTY_NEWLINE); | |
1447 | return CMD_WARNING; | |
1448 | } | |
1449 | cursor = cursor + 2; | |
718e3744 | 1450 | } |
3e31cded | 1451 | if (argc > cursor) |
718e3744 | 1452 | { |
3e31cded | 1453 | for (i = cursor; i < argc; i++) |
1454 | { | |
1455 | if (strncmp (argv[i], "of", 2) == 0) | |
1456 | rp.AdvOnLinkFlag = 0; | |
1457 | if (strncmp (argv[i], "no", 2) == 0) | |
1458 | rp.AdvAutonomousFlag = 0; | |
7cee1bb1 | 1459 | if (strncmp (argv[i], "ro", 2) == 0) |
1460 | rp.AdvRouterAddressFlag = 1; | |
3e31cded | 1461 | } |
718e3744 | 1462 | } |
1463 | } | |
1464 | ||
1465 | rtadv_prefix_set (zebra_if, &rp); | |
1466 | ||
1467 | return CMD_SUCCESS; | |
1468 | } | |
1469 | ||
7cee1bb1 | 1470 | ALIAS (ipv6_nd_prefix, |
1471 | ipv6_nd_prefix_val_nortaddr_cmd, | |
1472 | "ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) " | |
1473 | "(<0-4294967295>|infinite) (off-link|) (no-autoconfig|)", | |
1474 | "Interface IPv6 config commands\n" | |
1475 | "Neighbor discovery\n" | |
1476 | "Prefix information\n" | |
1477 | "IPv6 prefix\n" | |
1478 | "Valid lifetime in seconds\n" | |
1479 | "Infinite valid lifetime\n" | |
1480 | "Preferred lifetime in seconds\n" | |
1481 | "Infinite preferred lifetime\n" | |
1482 | "Do not use prefix for onlink determination\n" | |
1483 | "Do not use prefix for autoconfiguration\n") | |
1484 | ||
3e31cded | 1485 | ALIAS (ipv6_nd_prefix, |
1486 | ipv6_nd_prefix_val_rev_cmd, | |
1487 | "ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) " | |
1488 | "(<0-4294967295>|infinite) (no-autoconfig|) (off-link|)", | |
1489 | "Interface IPv6 config commands\n" | |
1490 | "Neighbor discovery\n" | |
1491 | "Prefix information\n" | |
1492 | "IPv6 prefix\n" | |
1493 | "Valid lifetime in seconds\n" | |
1494 | "Infinite valid lifetime\n" | |
1495 | "Preferred lifetime in seconds\n" | |
1496 | "Infinite preferred lifetime\n" | |
1497 | "Do not use prefix for autoconfiguration\n" | |
1498 | "Do not use prefix for onlink determination\n") | |
1499 | ||
7cee1bb1 | 1500 | ALIAS (ipv6_nd_prefix, |
1501 | ipv6_nd_prefix_val_rev_rtaddr_cmd, | |
1502 | "ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) " | |
1503 | "(<0-4294967295>|infinite) (no-autoconfig|) (off-link|) (router-address|)", | |
1504 | "Interface IPv6 config commands\n" | |
1505 | "Neighbor discovery\n" | |
1506 | "Prefix information\n" | |
1507 | "IPv6 prefix\n" | |
1508 | "Valid lifetime in seconds\n" | |
1509 | "Infinite valid lifetime\n" | |
1510 | "Preferred lifetime in seconds\n" | |
1511 | "Infinite preferred lifetime\n" | |
1512 | "Do not use prefix for autoconfiguration\n" | |
1513 | "Do not use prefix for onlink determination\n" | |
1514 | "Set Router Address flag\n") | |
1515 | ||
3e31cded | 1516 | ALIAS (ipv6_nd_prefix, |
1517 | ipv6_nd_prefix_val_noauto_cmd, | |
1518 | "ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) " | |
1519 | "(<0-4294967295>|infinite) (no-autoconfig|)", | |
1520 | "Interface IPv6 config commands\n" | |
1521 | "Neighbor discovery\n" | |
1522 | "Prefix information\n" | |
1523 | "IPv6 prefix\n" | |
1524 | "Valid lifetime in seconds\n" | |
1525 | "Infinite valid lifetime\n" | |
1526 | "Preferred lifetime in seconds\n" | |
1527 | "Infinite preferred lifetime\n" | |
7cee1bb1 | 1528 | "Do not use prefix for autoconfiguration") |
3e31cded | 1529 | |
1530 | ALIAS (ipv6_nd_prefix, | |
1531 | ipv6_nd_prefix_val_offlink_cmd, | |
1532 | "ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) " | |
1533 | "(<0-4294967295>|infinite) (off-link|)", | |
1534 | "Interface IPv6 config commands\n" | |
1535 | "Neighbor discovery\n" | |
1536 | "Prefix information\n" | |
1537 | "IPv6 prefix\n" | |
1538 | "Valid lifetime in seconds\n" | |
1539 | "Infinite valid lifetime\n" | |
1540 | "Preferred lifetime in seconds\n" | |
1541 | "Infinite preferred lifetime\n" | |
1542 | "Do not use prefix for onlink determination\n") | |
1543 | ||
7cee1bb1 | 1544 | ALIAS (ipv6_nd_prefix, |
1545 | ipv6_nd_prefix_val_rtaddr_cmd, | |
1546 | "ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) " | |
1547 | "(<0-4294967295>|infinite) (router-address|)", | |
1548 | "Interface IPv6 config commands\n" | |
1549 | "Neighbor discovery\n" | |
1550 | "Prefix information\n" | |
1551 | "IPv6 prefix\n" | |
1552 | "Valid lifetime in seconds\n" | |
1553 | "Infinite valid lifetime\n" | |
1554 | "Preferred lifetime in seconds\n" | |
1555 | "Infinite preferred lifetime\n" | |
1556 | "Set Router Address flag\n") | |
1557 | ||
3e31cded | 1558 | ALIAS (ipv6_nd_prefix, |
1559 | ipv6_nd_prefix_val_cmd, | |
1560 | "ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) " | |
1561 | "(<0-4294967295>|infinite)", | |
1562 | "Interface IPv6 config commands\n" | |
1563 | "Neighbor discovery\n" | |
1564 | "Prefix information\n" | |
1565 | "IPv6 prefix\n" | |
1566 | "Valid lifetime in seconds\n" | |
1567 | "Infinite valid lifetime\n" | |
1568 | "Preferred lifetime in seconds\n" | |
1569 | "Infinite preferred lifetime\n") | |
1570 | ||
1571 | ALIAS (ipv6_nd_prefix, | |
1572 | ipv6_nd_prefix_noval_cmd, | |
1573 | "ipv6 nd prefix X:X::X:X/M (no-autoconfig|) (off-link|)", | |
1574 | "Interface IPv6 config commands\n" | |
1575 | "Neighbor discovery\n" | |
1576 | "Prefix information\n" | |
1577 | "IPv6 prefix\n" | |
1578 | "Do not use prefix for autoconfiguration\n" | |
1579 | "Do not use prefix for onlink determination\n") | |
1580 | ||
1581 | ALIAS (ipv6_nd_prefix, | |
1582 | ipv6_nd_prefix_noval_rev_cmd, | |
1583 | "ipv6 nd prefix X:X::X:X/M (off-link|) (no-autoconfig|)", | |
1584 | "Interface IPv6 config commands\n" | |
1585 | "Neighbor discovery\n" | |
1586 | "Prefix information\n" | |
1587 | "IPv6 prefix\n" | |
1588 | "Do not use prefix for onlink determination\n" | |
1589 | "Do not use prefix for autoconfiguration\n") | |
1590 | ||
1591 | ALIAS (ipv6_nd_prefix, | |
1592 | ipv6_nd_prefix_noval_noauto_cmd, | |
1593 | "ipv6 nd prefix X:X::X:X/M (no-autoconfig|)", | |
1594 | "Interface IPv6 config commands\n" | |
1595 | "Neighbor discovery\n" | |
1596 | "Prefix information\n" | |
1597 | "IPv6 prefix\n" | |
1598 | "Do not use prefix for autoconfiguration\n") | |
1599 | ||
1600 | ALIAS (ipv6_nd_prefix, | |
1601 | ipv6_nd_prefix_noval_offlink_cmd, | |
1602 | "ipv6 nd prefix X:X::X:X/M (off-link|)", | |
1603 | "Interface IPv6 config commands\n" | |
1604 | "Neighbor discovery\n" | |
1605 | "Prefix information\n" | |
1606 | "IPv6 prefix\n" | |
1607 | "Do not use prefix for onlink determination\n") | |
1608 | ||
7cee1bb1 | 1609 | ALIAS (ipv6_nd_prefix, |
1610 | ipv6_nd_prefix_noval_rtaddr_cmd, | |
1611 | "ipv6 nd prefix X:X::X:X/M (router-address|)", | |
1612 | "Interface IPv6 config commands\n" | |
1613 | "Neighbor discovery\n" | |
1614 | "Prefix information\n" | |
1615 | "IPv6 prefix\n" | |
1616 | "Set Router Address flag\n") | |
1617 | ||
3e31cded | 1618 | ALIAS (ipv6_nd_prefix, |
1619 | ipv6_nd_prefix_prefix_cmd, | |
1620 | "ipv6 nd prefix X:X::X:X/M", | |
1621 | "Interface IPv6 config commands\n" | |
718e3744 | 1622 | "Neighbor discovery\n" |
1623 | "Prefix information\n" | |
1624 | "IPv6 prefix\n") | |
1625 | ||
3e31cded | 1626 | DEFUN (no_ipv6_nd_prefix, |
1627 | no_ipv6_nd_prefix_cmd, | |
1628 | "no ipv6 nd prefix IPV6PREFIX", | |
718e3744 | 1629 | NO_STR |
3e31cded | 1630 | "Interface IPv6 config commands\n" |
718e3744 | 1631 | "Neighbor discovery\n" |
1632 | "Prefix information\n" | |
1633 | "IPv6 prefix\n") | |
1634 | { | |
1635 | int ret; | |
1636 | struct interface *ifp; | |
1637 | struct zebra_if *zebra_if; | |
1638 | struct rtadv_prefix rp; | |
1639 | ||
1640 | ifp = (struct interface *) vty->index; | |
1641 | zebra_if = ifp->info; | |
1642 | ||
aca43b65 | 1643 | ret = str2prefix_ipv6 (argv[0], &rp.prefix); |
718e3744 | 1644 | if (!ret) |
1645 | { | |
1646 | vty_out (vty, "Malformed IPv6 prefix%s", VTY_NEWLINE); | |
1647 | return CMD_WARNING; | |
1648 | } | |
6bb1273e | 1649 | apply_mask_ipv6 (&rp.prefix); /* RFC4861 4.6.2 */ |
718e3744 | 1650 | |
1651 | ret = rtadv_prefix_reset (zebra_if, &rp); | |
1652 | if (!ret) | |
1653 | { | |
1654 | vty_out (vty, "Non-exist IPv6 prefix%s", VTY_NEWLINE); | |
1655 | return CMD_WARNING; | |
1656 | } | |
1657 | ||
1658 | return CMD_SUCCESS; | |
1659 | } | |
b60668d0 | 1660 | |
813d4307 DW |
1661 | ALIAS (no_ipv6_nd_prefix, |
1662 | no_ipv6_nd_prefix_val_nortaddr_cmd, | |
1663 | "no ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) (<0-4294967295>|infinite) (off-link|) (no-autoconfig|) (router-address|)", | |
1664 | NO_STR | |
1665 | "Interface IPv6 config commands\n" | |
1666 | "Neighbor discovery\n" | |
1667 | "Prefix information\n" | |
1668 | "IPv6 prefix\n" | |
1669 | "Valid lifetime in seconds\n" | |
1670 | "Infinite valid lifetime\n" | |
1671 | "Preferred lifetime in seconds\n" | |
1672 | "Infinite preferred lifetime\n" | |
1673 | "Do not use prefix for onlink determination\n" | |
1674 | "Do not use prefix for autoconfiguration\n" | |
1675 | "Set Router Address flag\n") | |
1676 | ||
1677 | ALIAS (no_ipv6_nd_prefix, | |
1678 | no_ipv6_nd_prefix_val_rev_cmd, | |
1679 | "no ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) (<0-4294967295>|infinite) (no-autoconfig|) (off-link|)", | |
1680 | NO_STR | |
1681 | "Interface IPv6 config commands\n" | |
1682 | "Neighbor discovery\n" | |
1683 | "Prefix information\n" | |
1684 | "IPv6 prefix\n" | |
1685 | "Valid lifetime in seconds\n" | |
1686 | "Infinite valid lifetime\n" | |
1687 | "Preferred lifetime in seconds\n" | |
1688 | "Infinite preferred lifetime\n" | |
1689 | "Do not use prefix for autoconfiguration\n" | |
1690 | "Do not use prefix for onlink determination\n") | |
1691 | ||
1692 | ALIAS (no_ipv6_nd_prefix, | |
1693 | no_ipv6_nd_prefix_val_rev_rtaddr_cmd, | |
1694 | "no ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) (<0-4294967295>|infinite) (no-autoconfig|) (off-link|) (router-address|)", | |
1695 | NO_STR | |
1696 | "Interface IPv6 config commands\n" | |
1697 | "Neighbor discovery\n" | |
1698 | "Prefix information\n" | |
1699 | "IPv6 prefix\n" | |
1700 | "Valid lifetime in seconds\n" | |
1701 | "Infinite valid lifetime\n" | |
1702 | "Preferred lifetime in seconds\n" | |
1703 | "Infinite preferred lifetime\n" | |
1704 | "Do not use prefix for autoconfiguration\n" | |
1705 | "Do not use prefix for onlink determination\n" | |
1706 | "Set Router Address flag\n") | |
1707 | ||
1708 | ALIAS (no_ipv6_nd_prefix, | |
1709 | no_ipv6_nd_prefix_val_noauto_cmd, | |
1710 | "no ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) (<0-4294967295>|infinite) (no-autoconfig|)", | |
1711 | NO_STR | |
1712 | "Interface IPv6 config commands\n" | |
1713 | "Neighbor discovery\n" | |
1714 | "Prefix information\n" | |
1715 | "IPv6 prefix\n" | |
1716 | "Valid lifetime in seconds\n" | |
1717 | "Infinite valid lifetime\n" | |
1718 | "Preferred lifetime in seconds\n" | |
1719 | "Infinite preferred lifetime\n" | |
1720 | "Do not use prefix for autoconfiguration") | |
1721 | ||
1722 | ALIAS (no_ipv6_nd_prefix, | |
1723 | no_ipv6_nd_prefix_val_offlink_cmd, | |
1724 | "no ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) (<0-4294967295>|infinite) (off-link|)", | |
1725 | NO_STR | |
1726 | "Interface IPv6 config commands\n" | |
1727 | "Neighbor discovery\n" | |
1728 | "Prefix information\n" | |
1729 | "IPv6 prefix\n" | |
1730 | "Valid lifetime in seconds\n" | |
1731 | "Infinite valid lifetime\n" | |
1732 | "Preferred lifetime in seconds\n" | |
1733 | "Infinite preferred lifetime\n" | |
1734 | "Do not use prefix for onlink determination\n") | |
1735 | ||
1736 | ALIAS (no_ipv6_nd_prefix, | |
1737 | no_ipv6_nd_prefix_val_rtaddr_cmd, | |
1738 | "no ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) (<0-4294967295>|infinite) (router-address|)", | |
1739 | NO_STR | |
1740 | "Interface IPv6 config commands\n" | |
1741 | "Neighbor discovery\n" | |
1742 | "Prefix information\n" | |
1743 | "IPv6 prefix\n" | |
1744 | "Valid lifetime in seconds\n" | |
1745 | "Infinite valid lifetime\n" | |
1746 | "Preferred lifetime in seconds\n" | |
1747 | "Infinite preferred lifetime\n" | |
1748 | "Set Router Address flag\n") | |
1749 | ||
1750 | ALIAS (no_ipv6_nd_prefix, | |
1751 | no_ipv6_nd_prefix_val_cmd, | |
1752 | "no ipv6 nd prefix X:X::X:X/M (<0-4294967295>|infinite) (<0-4294967295>|infinite)", | |
1753 | NO_STR | |
1754 | "Interface IPv6 config commands\n" | |
1755 | "Neighbor discovery\n" | |
1756 | "Prefix information\n" | |
1757 | "IPv6 prefix\n" | |
1758 | "Valid lifetime in seconds\n" | |
1759 | "Infinite valid lifetime\n" | |
1760 | "Preferred lifetime in seconds\n" | |
1761 | "Infinite preferred lifetime\n") | |
1762 | ||
1763 | ALIAS (no_ipv6_nd_prefix, | |
1764 | no_ipv6_nd_prefix_noval_cmd, | |
1765 | "no ipv6 nd prefix X:X::X:X/M (no-autoconfig|) (off-link|)", | |
1766 | NO_STR | |
1767 | "Interface IPv6 config commands\n" | |
1768 | "Neighbor discovery\n" | |
1769 | "Prefix information\n" | |
1770 | "IPv6 prefix\n" | |
1771 | "Do not use prefix for autoconfiguration\n" | |
1772 | "Do not use prefix for onlink determination\n") | |
1773 | ||
1774 | ALIAS (no_ipv6_nd_prefix, | |
1775 | no_ipv6_nd_prefix_noval_rev_cmd, | |
1776 | "no ipv6 nd prefix X:X::X:X/M (off-link|) (no-autoconfig|)", | |
1777 | NO_STR | |
1778 | "Interface IPv6 config commands\n" | |
1779 | "Neighbor discovery\n" | |
1780 | "Prefix information\n" | |
1781 | "IPv6 prefix\n" | |
1782 | "Do not use prefix for onlink determination\n" | |
1783 | "Do not use prefix for autoconfiguration\n") | |
1784 | ||
1785 | ALIAS (no_ipv6_nd_prefix, | |
1786 | no_ipv6_nd_prefix_noval_noauto_cmd, | |
1787 | "no ipv6 nd prefix X:X::X:X/M (no-autoconfig|)", | |
1788 | NO_STR | |
1789 | "Interface IPv6 config commands\n" | |
1790 | "Neighbor discovery\n" | |
1791 | "Prefix information\n" | |
1792 | "IPv6 prefix\n" | |
1793 | "Do not use prefix for autoconfiguration\n") | |
1794 | ||
1795 | ALIAS (no_ipv6_nd_prefix, | |
1796 | no_ipv6_nd_prefix_noval_offlink_cmd, | |
1797 | "no ipv6 nd prefix X:X::X:X/M (off-link|)", | |
1798 | NO_STR | |
1799 | "Interface IPv6 config commands\n" | |
1800 | "Neighbor discovery\n" | |
1801 | "Prefix information\n" | |
1802 | "IPv6 prefix\n" | |
1803 | "Do not use prefix for onlink determination\n") | |
1804 | ||
1805 | ALIAS (no_ipv6_nd_prefix, | |
1806 | no_ipv6_nd_prefix_noval_rtaddr_cmd, | |
1807 | "no ipv6 nd prefix X:X::X:X/M (router-address|)", | |
1808 | NO_STR | |
1809 | "Interface IPv6 config commands\n" | |
1810 | "Neighbor discovery\n" | |
1811 | "Prefix information\n" | |
1812 | "IPv6 prefix\n" | |
1813 | "Set Router Address flag\n") | |
1814 | ||
b60668d0 CC |
1815 | DEFUN (ipv6_nd_router_preference, |
1816 | ipv6_nd_router_preference_cmd, | |
1817 | "ipv6 nd router-preference (high|medium|low)", | |
1818 | "Interface IPv6 config commands\n" | |
1819 | "Neighbor discovery\n" | |
1820 | "Default router preference\n" | |
1821 | "High default router preference\n" | |
1822 | "Low default router preference\n" | |
1823 | "Medium default router preference (default)\n") | |
1824 | { | |
1825 | struct interface *ifp; | |
1826 | struct zebra_if *zif; | |
1827 | int i = 0; | |
1828 | ||
1829 | ifp = (struct interface *) vty->index; | |
1830 | zif = ifp->info; | |
1831 | ||
1832 | while (0 != rtadv_pref_strs[i]) | |
1833 | { | |
1834 | if (strncmp (argv[0], rtadv_pref_strs[i], 1) == 0) | |
1835 | { | |
1836 | zif->rtadv.DefaultPreference = i; | |
1837 | return CMD_SUCCESS; | |
1838 | } | |
1839 | i++; | |
1840 | } | |
1841 | ||
1842 | return CMD_ERR_NO_MATCH; | |
1843 | } | |
1844 | ||
1845 | DEFUN (no_ipv6_nd_router_preference, | |
1846 | no_ipv6_nd_router_preference_cmd, | |
1847 | "no ipv6 nd router-preference", | |
1848 | NO_STR | |
1849 | "Interface IPv6 config commands\n" | |
1850 | "Neighbor discovery\n" | |
1851 | "Default router preference\n") | |
1852 | { | |
1853 | struct interface *ifp; | |
1854 | struct zebra_if *zif; | |
1855 | ||
1856 | ifp = (struct interface *) vty->index; | |
1857 | zif = ifp->info; | |
1858 | ||
1859 | zif->rtadv.DefaultPreference = RTADV_PREF_MEDIUM; /* Default per RFC4191. */ | |
1860 | ||
1861 | return CMD_SUCCESS; | |
1862 | } | |
1863 | ||
4afa50b3 DO |
1864 | ALIAS (no_ipv6_nd_router_preference, |
1865 | no_ipv6_nd_router_preference_val_cmd, | |
2b00515a | 1866 | "no ipv6 nd router-preference (high|medium|low)", |
4afa50b3 DO |
1867 | NO_STR |
1868 | "Interface IPv6 config commands\n" | |
1869 | "Neighbor discovery\n" | |
1870 | "Default router preference\n" | |
1871 | "High default router preference\n" | |
1872 | "Low default router preference\n" | |
1873 | "Medium default router preference (default)\n") | |
1874 | ||
6ae93c05 DO |
1875 | DEFUN (ipv6_nd_mtu, |
1876 | ipv6_nd_mtu_cmd, | |
1877 | "ipv6 nd mtu <1-65535>", | |
1878 | "Interface IPv6 config commands\n" | |
1879 | "Neighbor discovery\n" | |
1880 | "Advertised MTU\n" | |
1881 | "MTU in bytes\n") | |
1882 | { | |
1883 | struct interface *ifp = (struct interface *) vty->index; | |
1884 | struct zebra_if *zif = ifp->info; | |
1885 | VTY_GET_INTEGER_RANGE ("MTU", zif->rtadv.AdvLinkMTU, argv[0], 1, 65535); | |
1886 | return CMD_SUCCESS; | |
1887 | } | |
1888 | ||
1889 | DEFUN (no_ipv6_nd_mtu, | |
1890 | no_ipv6_nd_mtu_cmd, | |
1891 | "no ipv6 nd mtu", | |
1892 | NO_STR | |
1893 | "Interface IPv6 config commands\n" | |
1894 | "Neighbor discovery\n" | |
1895 | "Advertised MTU\n") | |
1896 | { | |
1897 | struct interface *ifp = (struct interface *) vty->index; | |
1898 | struct zebra_if *zif = ifp->info; | |
1899 | zif->rtadv.AdvLinkMTU = 0; | |
1900 | return CMD_SUCCESS; | |
1901 | } | |
1902 | ||
1903 | ALIAS (no_ipv6_nd_mtu, | |
1904 | no_ipv6_nd_mtu_val_cmd, | |
1905 | "no ipv6 nd mtu <1-65535>", | |
1906 | NO_STR | |
1907 | "Interface IPv6 config commands\n" | |
1908 | "Neighbor discovery\n" | |
1909 | "Advertised MTU\n" | |
1910 | "MTU in bytes\n") | |
1911 | ||
718e3744 | 1912 | /* Write configuration about router advertisement. */ |
1913 | void | |
1914 | rtadv_config_write (struct vty *vty, struct interface *ifp) | |
1915 | { | |
1916 | struct zebra_if *zif; | |
52dc7ee6 | 1917 | struct listnode *node; |
718e3744 | 1918 | struct rtadv_prefix *rprefix; |
35d921cc | 1919 | char buf[PREFIX_STRLEN]; |
7cee1bb1 | 1920 | int interval; |
718e3744 | 1921 | |
718e3744 | 1922 | zif = ifp->info; |
1923 | ||
c23af4d3 | 1924 | if (!(if_is_loopback (ifp) || |
1925 | CHECK_FLAG(ifp->status, ZEBRA_INTERFACE_VRF_LOOPBACK))) | |
718e3744 | 1926 | { |
c5b37afc | 1927 | if (zif->rtadv.AdvSendAdvertisements) |
1928 | vty_out (vty, " no ipv6 nd suppress-ra%s", VTY_NEWLINE); | |
718e3744 | 1929 | } |
7cee1bb1 | 1930 | |
1931 | interval = zif->rtadv.MaxRtrAdvInterval; | |
1932 | if (interval % 1000) | |
1933 | vty_out (vty, " ipv6 nd ra-interval msec %d%s", interval, | |
1934 | VTY_NEWLINE); | |
1935 | else | |
1936 | if (interval != RTADV_MAX_RTR_ADV_INTERVAL) | |
1937 | vty_out (vty, " ipv6 nd ra-interval %d%s", interval / 1000, | |
718e3744 | 1938 | VTY_NEWLINE); |
1939 | ||
6134b875 DO |
1940 | if (zif->rtadv.AdvIntervalOption) |
1941 | vty_out (vty, " ipv6 nd adv-interval-option%s", VTY_NEWLINE); | |
1942 | ||
d660f698 | 1943 | if (zif->rtadv.AdvDefaultLifetime != -1) |
718e3744 | 1944 | vty_out (vty, " ipv6 nd ra-lifetime %d%s", zif->rtadv.AdvDefaultLifetime, |
1945 | VTY_NEWLINE); | |
1946 | ||
6134b875 DO |
1947 | if (zif->rtadv.HomeAgentPreference) |
1948 | vty_out (vty, " ipv6 nd home-agent-preference %u%s", | |
1949 | zif->rtadv.HomeAgentPreference, VTY_NEWLINE); | |
1950 | ||
d660f698 | 1951 | if (zif->rtadv.HomeAgentLifetime != -1) |
6134b875 DO |
1952 | vty_out (vty, " ipv6 nd home-agent-lifetime %u%s", |
1953 | zif->rtadv.HomeAgentLifetime, VTY_NEWLINE); | |
1954 | ||
1955 | if (zif->rtadv.AdvHomeAgentFlag) | |
1956 | vty_out (vty, " ipv6 nd home-agent-config-flag%s", VTY_NEWLINE); | |
1957 | ||
718e3744 | 1958 | if (zif->rtadv.AdvReachableTime) |
1959 | vty_out (vty, " ipv6 nd reachable-time %d%s", zif->rtadv.AdvReachableTime, | |
1960 | VTY_NEWLINE); | |
1961 | ||
1962 | if (zif->rtadv.AdvManagedFlag) | |
1963 | vty_out (vty, " ipv6 nd managed-config-flag%s", VTY_NEWLINE); | |
1964 | ||
1965 | if (zif->rtadv.AdvOtherConfigFlag) | |
1966 | vty_out (vty, " ipv6 nd other-config-flag%s", VTY_NEWLINE); | |
1967 | ||
b60668d0 CC |
1968 | if (zif->rtadv.DefaultPreference != RTADV_PREF_MEDIUM) |
1969 | vty_out (vty, " ipv6 nd router-preference %s%s", | |
1970 | rtadv_pref_strs[zif->rtadv.DefaultPreference], | |
1971 | VTY_NEWLINE); | |
1972 | ||
6ae93c05 DO |
1973 | if (zif->rtadv.AdvLinkMTU) |
1974 | vty_out (vty, " ipv6 nd mtu %d%s", zif->rtadv.AdvLinkMTU, VTY_NEWLINE); | |
1975 | ||
1eb8ef25 | 1976 | for (ALL_LIST_ELEMENTS_RO (zif->rtadv.AdvPrefixList, node, rprefix)) |
718e3744 | 1977 | { |
35d921cc TT |
1978 | vty_out (vty, " ipv6 nd prefix %s", |
1979 | prefix2str (&rprefix->prefix, buf, sizeof(buf))); | |
3e31cded | 1980 | if ((rprefix->AdvValidLifetime != RTADV_VALID_LIFETIME) || |
1981 | (rprefix->AdvPreferredLifetime != RTADV_PREFERRED_LIFETIME)) | |
1982 | { | |
1983 | if (rprefix->AdvValidLifetime == UINT32_MAX) | |
1984 | vty_out (vty, " infinite"); | |
1985 | else | |
1986 | vty_out (vty, " %u", rprefix->AdvValidLifetime); | |
1987 | if (rprefix->AdvPreferredLifetime == UINT32_MAX) | |
1988 | vty_out (vty, " infinite"); | |
1989 | else | |
1990 | vty_out (vty, " %u", rprefix->AdvPreferredLifetime); | |
1991 | } | |
1992 | if (!rprefix->AdvOnLinkFlag) | |
1993 | vty_out (vty, " off-link"); | |
1994 | if (!rprefix->AdvAutonomousFlag) | |
1995 | vty_out (vty, " no-autoconfig"); | |
7cee1bb1 | 1996 | if (rprefix->AdvRouterAddressFlag) |
1997 | vty_out (vty, " router-address"); | |
718e3744 | 1998 | vty_out (vty, "%s", VTY_NEWLINE); |
1999 | } | |
2000 | } | |
2001 | ||
718e3744 | 2002 | |
a1ac18c4 | 2003 | static void |
43459b1f | 2004 | rtadv_event (struct zebra_ns *zns, enum rtadv_event event, int val) |
718e3744 | 2005 | { |
43459b1f | 2006 | struct rtadv *rtadv = &zns->rtadv; |
cd80d74f | 2007 | |
718e3744 | 2008 | switch (event) |
2009 | { | |
2010 | case RTADV_START: | |
2011 | if (! rtadv->ra_read) | |
6c9678b4 | 2012 | rtadv->ra_read = thread_add_read (zebrad.master, rtadv_read, zns, val); |
718e3744 | 2013 | if (! rtadv->ra_timer) |
6c9678b4 DD |
2014 | rtadv->ra_timer = thread_add_event (zebrad.master, rtadv_timer, |
2015 | zns, 0); | |
718e3744 | 2016 | break; |
2017 | case RTADV_STOP: | |
2018 | if (rtadv->ra_timer) | |
2019 | { | |
2020 | thread_cancel (rtadv->ra_timer); | |
2021 | rtadv->ra_timer = NULL; | |
2022 | } | |
2023 | if (rtadv->ra_read) | |
2024 | { | |
2025 | thread_cancel (rtadv->ra_read); | |
2026 | rtadv->ra_read = NULL; | |
2027 | } | |
2028 | break; | |
2029 | case RTADV_TIMER: | |
2030 | if (! rtadv->ra_timer) | |
43459b1f | 2031 | rtadv->ra_timer = thread_add_timer (zebrad.master, rtadv_timer, zns, |
3e31cded | 2032 | val); |
718e3744 | 2033 | break; |
7cee1bb1 | 2034 | case RTADV_TIMER_MSEC: |
2035 | if (! rtadv->ra_timer) | |
2036 | rtadv->ra_timer = thread_add_timer_msec (zebrad.master, rtadv_timer, | |
43459b1f | 2037 | zns, val); |
7cee1bb1 | 2038 | break; |
718e3744 | 2039 | case RTADV_READ: |
2040 | if (! rtadv->ra_read) | |
43459b1f | 2041 | rtadv->ra_read = thread_add_read (zebrad.master, rtadv_read, zns, val); |
718e3744 | 2042 | break; |
2043 | default: | |
2044 | break; | |
2045 | } | |
2046 | return; | |
2047 | } | |
2048 | ||
2049 | void | |
43459b1f | 2050 | rtadv_init (struct zebra_ns *zns) |
718e3744 | 2051 | { |
43459b1f | 2052 | zns->rtadv.sock = rtadv_make_socket (); |
cd80d74f | 2053 | } |
718e3744 | 2054 | |
cd80d74f | 2055 | void |
43459b1f | 2056 | rtadv_terminate (struct zebra_ns *zns) |
cd80d74f | 2057 | { |
43459b1f | 2058 | rtadv_event (zns, RTADV_STOP, 0); |
2059 | if (zns->rtadv.sock >= 0) | |
cd80d74f | 2060 | { |
43459b1f | 2061 | close (zns->rtadv.sock); |
2062 | zns->rtadv.sock = -1; | |
cd80d74f | 2063 | } |
718e3744 | 2064 | |
43459b1f | 2065 | zns->rtadv.adv_if_count = 0; |
2066 | zns->rtadv.adv_msec_if_count = 0; | |
cd80d74f | 2067 | } |
718e3744 | 2068 | |
cd80d74f FL |
2069 | void |
2070 | rtadv_cmd_init (void) | |
2071 | { | |
718e3744 | 2072 | install_element (INTERFACE_NODE, &ipv6_nd_suppress_ra_cmd); |
2073 | install_element (INTERFACE_NODE, &no_ipv6_nd_suppress_ra_cmd); | |
718e3744 | 2074 | install_element (INTERFACE_NODE, &ipv6_nd_ra_interval_cmd); |
7cee1bb1 | 2075 | install_element (INTERFACE_NODE, &ipv6_nd_ra_interval_msec_cmd); |
718e3744 | 2076 | install_element (INTERFACE_NODE, &no_ipv6_nd_ra_interval_cmd); |
4afa50b3 DO |
2077 | install_element (INTERFACE_NODE, &no_ipv6_nd_ra_interval_val_cmd); |
2078 | install_element (INTERFACE_NODE, &no_ipv6_nd_ra_interval_msec_val_cmd); | |
718e3744 | 2079 | install_element (INTERFACE_NODE, &ipv6_nd_ra_lifetime_cmd); |
2080 | install_element (INTERFACE_NODE, &no_ipv6_nd_ra_lifetime_cmd); | |
4afa50b3 | 2081 | install_element (INTERFACE_NODE, &no_ipv6_nd_ra_lifetime_val_cmd); |
718e3744 | 2082 | install_element (INTERFACE_NODE, &ipv6_nd_reachable_time_cmd); |
2083 | install_element (INTERFACE_NODE, &no_ipv6_nd_reachable_time_cmd); | |
4afa50b3 | 2084 | install_element (INTERFACE_NODE, &no_ipv6_nd_reachable_time_val_cmd); |
718e3744 | 2085 | install_element (INTERFACE_NODE, &ipv6_nd_managed_config_flag_cmd); |
2086 | install_element (INTERFACE_NODE, &no_ipv6_nd_managed_config_flag_cmd); | |
2087 | install_element (INTERFACE_NODE, &ipv6_nd_other_config_flag_cmd); | |
2088 | install_element (INTERFACE_NODE, &no_ipv6_nd_other_config_flag_cmd); | |
7cee1bb1 | 2089 | install_element (INTERFACE_NODE, &ipv6_nd_homeagent_config_flag_cmd); |
2090 | install_element (INTERFACE_NODE, &no_ipv6_nd_homeagent_config_flag_cmd); | |
2091 | install_element (INTERFACE_NODE, &ipv6_nd_homeagent_preference_cmd); | |
2092 | install_element (INTERFACE_NODE, &no_ipv6_nd_homeagent_preference_cmd); | |
4afa50b3 | 2093 | install_element (INTERFACE_NODE, &no_ipv6_nd_homeagent_preference_val_cmd); |
7cee1bb1 | 2094 | install_element (INTERFACE_NODE, &ipv6_nd_homeagent_lifetime_cmd); |
2095 | install_element (INTERFACE_NODE, &no_ipv6_nd_homeagent_lifetime_cmd); | |
4afa50b3 | 2096 | install_element (INTERFACE_NODE, &no_ipv6_nd_homeagent_lifetime_val_cmd); |
7cee1bb1 | 2097 | install_element (INTERFACE_NODE, &ipv6_nd_adv_interval_config_option_cmd); |
2098 | install_element (INTERFACE_NODE, &no_ipv6_nd_adv_interval_config_option_cmd); | |
3e31cded | 2099 | install_element (INTERFACE_NODE, &ipv6_nd_prefix_cmd); |
7cee1bb1 | 2100 | install_element (INTERFACE_NODE, &ipv6_nd_prefix_val_rev_rtaddr_cmd); |
2101 | install_element (INTERFACE_NODE, &ipv6_nd_prefix_val_nortaddr_cmd); | |
3e31cded | 2102 | install_element (INTERFACE_NODE, &ipv6_nd_prefix_val_rev_cmd); |
2103 | install_element (INTERFACE_NODE, &ipv6_nd_prefix_val_noauto_cmd); | |
2104 | install_element (INTERFACE_NODE, &ipv6_nd_prefix_val_offlink_cmd); | |
7cee1bb1 | 2105 | install_element (INTERFACE_NODE, &ipv6_nd_prefix_val_rtaddr_cmd); |
3e31cded | 2106 | install_element (INTERFACE_NODE, &ipv6_nd_prefix_val_cmd); |
2107 | install_element (INTERFACE_NODE, &ipv6_nd_prefix_noval_cmd); | |
2108 | install_element (INTERFACE_NODE, &ipv6_nd_prefix_noval_rev_cmd); | |
2109 | install_element (INTERFACE_NODE, &ipv6_nd_prefix_noval_noauto_cmd); | |
2110 | install_element (INTERFACE_NODE, &ipv6_nd_prefix_noval_offlink_cmd); | |
7cee1bb1 | 2111 | install_element (INTERFACE_NODE, &ipv6_nd_prefix_noval_rtaddr_cmd); |
3e31cded | 2112 | install_element (INTERFACE_NODE, &ipv6_nd_prefix_prefix_cmd); |
2113 | install_element (INTERFACE_NODE, &no_ipv6_nd_prefix_cmd); | |
813d4307 DW |
2114 | install_element (INTERFACE_NODE, &no_ipv6_nd_prefix_val_rev_rtaddr_cmd); |
2115 | install_element (INTERFACE_NODE, &no_ipv6_nd_prefix_val_nortaddr_cmd); | |
2116 | install_element (INTERFACE_NODE, &no_ipv6_nd_prefix_val_rev_cmd); | |
2117 | install_element (INTERFACE_NODE, &no_ipv6_nd_prefix_val_noauto_cmd); | |
2118 | install_element (INTERFACE_NODE, &no_ipv6_nd_prefix_val_offlink_cmd); | |
2119 | install_element (INTERFACE_NODE, &no_ipv6_nd_prefix_val_rtaddr_cmd); | |
2120 | install_element (INTERFACE_NODE, &no_ipv6_nd_prefix_val_cmd); | |
2121 | install_element (INTERFACE_NODE, &no_ipv6_nd_prefix_noval_cmd); | |
2122 | install_element (INTERFACE_NODE, &no_ipv6_nd_prefix_noval_rev_cmd); | |
2123 | install_element (INTERFACE_NODE, &no_ipv6_nd_prefix_noval_noauto_cmd); | |
2124 | install_element (INTERFACE_NODE, &no_ipv6_nd_prefix_noval_offlink_cmd); | |
2125 | install_element (INTERFACE_NODE, &no_ipv6_nd_prefix_noval_rtaddr_cmd); | |
b60668d0 CC |
2126 | install_element (INTERFACE_NODE, &ipv6_nd_router_preference_cmd); |
2127 | install_element (INTERFACE_NODE, &no_ipv6_nd_router_preference_cmd); | |
4afa50b3 | 2128 | install_element (INTERFACE_NODE, &no_ipv6_nd_router_preference_val_cmd); |
6ae93c05 DO |
2129 | install_element (INTERFACE_NODE, &ipv6_nd_mtu_cmd); |
2130 | install_element (INTERFACE_NODE, &no_ipv6_nd_mtu_cmd); | |
2131 | install_element (INTERFACE_NODE, &no_ipv6_nd_mtu_val_cmd); | |
718e3744 | 2132 | } |
2133 | ||
a1ac18c4 | 2134 | static int |
718e3744 | 2135 | if_join_all_router (int sock, struct interface *ifp) |
2136 | { | |
2137 | int ret; | |
2138 | ||
2139 | struct ipv6_mreq mreq; | |
2140 | ||
2141 | memset (&mreq, 0, sizeof (struct ipv6_mreq)); | |
2142 | inet_pton (AF_INET6, ALLROUTER, &mreq.ipv6mr_multiaddr); | |
2143 | mreq.ipv6mr_interface = ifp->ifindex; | |
2144 | ||
2145 | ret = setsockopt (sock, IPPROTO_IPV6, IPV6_JOIN_GROUP, | |
2146 | (char *) &mreq, sizeof mreq); | |
2147 | if (ret < 0) | |
f360eac0 | 2148 | zlog_warn ("%s(%u): Failed to join group, socket %u error %s", |
2149 | ifp->name, ifp->ifindex, sock, safe_strerror (errno)); | |
718e3744 | 2150 | |
f360eac0 | 2151 | if (IS_ZEBRA_DEBUG_EVENT) |
2152 | zlog_debug ("%s(%u): Join All-Routers multicast group, socket %u", | |
2153 | ifp->name, ifp->ifindex, sock); | |
718e3744 | 2154 | |
2155 | return 0; | |
2156 | } | |
2157 | ||
a1ac18c4 | 2158 | static int |
718e3744 | 2159 | if_leave_all_router (int sock, struct interface *ifp) |
2160 | { | |
2161 | int ret; | |
2162 | ||
2163 | struct ipv6_mreq mreq; | |
2164 | ||
2165 | memset (&mreq, 0, sizeof (struct ipv6_mreq)); | |
2166 | inet_pton (AF_INET6, ALLROUTER, &mreq.ipv6mr_multiaddr); | |
2167 | mreq.ipv6mr_interface = ifp->ifindex; | |
2168 | ||
2169 | ret = setsockopt (sock, IPPROTO_IPV6, IPV6_LEAVE_GROUP, | |
2170 | (char *) &mreq, sizeof mreq); | |
2171 | if (ret < 0) | |
f360eac0 | 2172 | zlog_warn ("%s(%u): Failed to leave group, socket %u error %s", |
2173 | ifp->name, ifp->ifindex, sock,safe_strerror (errno)); | |
718e3744 | 2174 | |
f360eac0 | 2175 | if (IS_ZEBRA_DEBUG_EVENT) |
2176 | zlog_debug ("%s(%u): Leave All-Routers multicast group, socket %u", | |
2177 | ifp->name, ifp->ifindex, sock); | |
718e3744 | 2178 | |
2179 | return 0; | |
2180 | } | |
2181 | ||
2182 | #else | |
2183 | void | |
43459b1f | 2184 | rtadv_init (struct zebra_ns *zns) |
cd80d74f FL |
2185 | { |
2186 | /* Empty.*/; | |
2187 | } | |
2188 | void | |
43459b1f | 2189 | rtadv_terminate (struct zebra_ns *zns) |
cd80d74f FL |
2190 | { |
2191 | /* Empty.*/; | |
2192 | } | |
2193 | void | |
2194 | rtadv_cmd_init (void) | |
718e3744 | 2195 | { |
2196 | /* Empty.*/; | |
2197 | } | |
8da4e946 | 2198 | #endif /* HAVE_RTADV && HAVE_IPV6 */ |