in6_proto.c revision 1.106 1 1.106 pooka /* $NetBSD: in6_proto.c,v 1.106 2015/08/24 22:21:27 pooka Exp $ */
2 1.21 itojun /* $KAME: in6_proto.c,v 1.66 2000/10/10 15:35:47 itojun Exp $ */
3 1.3 thorpej
4 1.2 itojun /*
5 1.2 itojun * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 1.2 itojun * All rights reserved.
7 1.18 itojun *
8 1.2 itojun * Redistribution and use in source and binary forms, with or without
9 1.2 itojun * modification, are permitted provided that the following conditions
10 1.2 itojun * are met:
11 1.2 itojun * 1. Redistributions of source code must retain the above copyright
12 1.2 itojun * notice, this list of conditions and the following disclaimer.
13 1.2 itojun * 2. Redistributions in binary form must reproduce the above copyright
14 1.2 itojun * notice, this list of conditions and the following disclaimer in the
15 1.2 itojun * documentation and/or other materials provided with the distribution.
16 1.2 itojun * 3. Neither the name of the project nor the names of its contributors
17 1.2 itojun * may be used to endorse or promote products derived from this software
18 1.2 itojun * without specific prior written permission.
19 1.18 itojun *
20 1.2 itojun * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 1.2 itojun * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 1.2 itojun * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 1.2 itojun * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 1.2 itojun * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 1.2 itojun * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 1.2 itojun * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 1.2 itojun * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 1.2 itojun * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 1.2 itojun * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 1.2 itojun * SUCH DAMAGE.
31 1.2 itojun */
32 1.2 itojun
33 1.2 itojun /*
34 1.2 itojun * Copyright (c) 1982, 1986, 1993
35 1.2 itojun * The Regents of the University of California. All rights reserved.
36 1.2 itojun *
37 1.2 itojun * Redistribution and use in source and binary forms, with or without
38 1.2 itojun * modification, are permitted provided that the following conditions
39 1.2 itojun * are met:
40 1.2 itojun * 1. Redistributions of source code must retain the above copyright
41 1.2 itojun * notice, this list of conditions and the following disclaimer.
42 1.2 itojun * 2. Redistributions in binary form must reproduce the above copyright
43 1.2 itojun * notice, this list of conditions and the following disclaimer in the
44 1.2 itojun * documentation and/or other materials provided with the distribution.
45 1.49 agc * 3. Neither the name of the University nor the names of its contributors
46 1.2 itojun * may be used to endorse or promote products derived from this software
47 1.2 itojun * without specific prior written permission.
48 1.2 itojun *
49 1.2 itojun * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50 1.2 itojun * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51 1.2 itojun * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52 1.2 itojun * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53 1.2 itojun * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54 1.2 itojun * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55 1.2 itojun * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56 1.2 itojun * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57 1.2 itojun * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58 1.2 itojun * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59 1.2 itojun * SUCH DAMAGE.
60 1.2 itojun *
61 1.2 itojun * @(#)in_proto.c 8.1 (Berkeley) 6/10/93
62 1.2 itojun */
63 1.34 lukem
64 1.34 lukem #include <sys/cdefs.h>
65 1.106 pooka __KERNEL_RCSID(0, "$NetBSD: in6_proto.c,v 1.106 2015/08/24 22:21:27 pooka Exp $");
66 1.2 itojun
67 1.106 pooka #ifdef _KERNEL_OPT
68 1.88 joerg #include "opt_gateway.h"
69 1.2 itojun #include "opt_inet.h"
70 1.4 thorpej #include "opt_ipsec.h"
71 1.104 rjs #include "opt_dccp.h"
72 1.106 pooka #endif
73 1.2 itojun
74 1.2 itojun #include <sys/param.h>
75 1.2 itojun #include <sys/socket.h>
76 1.2 itojun #include <sys/protosw.h>
77 1.2 itojun #include <sys/kernel.h>
78 1.2 itojun #include <sys/domain.h>
79 1.2 itojun #include <sys/mbuf.h>
80 1.2 itojun
81 1.2 itojun #include <net/if.h>
82 1.2 itojun #include <net/radix.h>
83 1.2 itojun #include <net/route.h>
84 1.2 itojun
85 1.2 itojun #include <netinet/in.h>
86 1.2 itojun #include <netinet/in_systm.h>
87 1.2 itojun #include <netinet/in_var.h>
88 1.17 itojun #include <netinet/ip_encap.h>
89 1.2 itojun #include <netinet/ip.h>
90 1.2 itojun #include <netinet/ip_var.h>
91 1.2 itojun #include <netinet/in_pcb.h>
92 1.13 itojun #include <netinet/ip6.h>
93 1.2 itojun #include <netinet6/ip6_var.h>
94 1.13 itojun #include <netinet/icmp6.h>
95 1.2 itojun #include <netinet6/in6_pcb.h>
96 1.2 itojun
97 1.2 itojun #include <netinet/tcp.h>
98 1.2 itojun #include <netinet/tcp_fsm.h>
99 1.2 itojun #include <netinet/tcp_seq.h>
100 1.2 itojun #include <netinet/tcp_timer.h>
101 1.2 itojun #include <netinet/tcp_var.h>
102 1.2 itojun #include <netinet/tcpip.h>
103 1.2 itojun #include <netinet/tcp_debug.h>
104 1.2 itojun
105 1.2 itojun #include <netinet6/udp6.h>
106 1.2 itojun #include <netinet6/udp6_var.h>
107 1.2 itojun
108 1.104 rjs #ifdef DCCP
109 1.104 rjs #include <netinet/dccp.h>
110 1.104 rjs #include <netinet/dccp_var.h>
111 1.104 rjs #include <netinet6/dccp6_var.h>
112 1.104 rjs #endif
113 1.104 rjs
114 1.2 itojun #include <netinet6/pim6_var.h>
115 1.2 itojun
116 1.2 itojun #include <netinet6/nd6.h>
117 1.2 itojun
118 1.99 christos #ifdef IPSEC
119 1.70 degroote #include <netipsec/ipsec.h>
120 1.70 degroote #include <netipsec/ipsec6.h>
121 1.70 degroote #include <netipsec/key.h>
122 1.99 christos #endif /* IPSEC */
123 1.70 degroote
124 1.70 degroote
125 1.63 liamjfoy #include "carp.h"
126 1.63 liamjfoy #if NCARP > 0
127 1.63 liamjfoy #include <netinet/ip_carp.h>
128 1.63 liamjfoy #endif
129 1.63 liamjfoy
130 1.68 rpaulo #include "etherip.h"
131 1.89 jakllsch #if NETHERIP > 0
132 1.68 rpaulo #include <netinet6/ip6_etherip.h>
133 1.68 rpaulo #endif
134 1.68 rpaulo
135 1.2 itojun #include <netinet6/ip6protosw.h>
136 1.2 itojun
137 1.35 itojun #include <net/net_osdep.h>
138 1.35 itojun
139 1.2 itojun /*
140 1.2 itojun * TCP/IP protocol family: IP6, ICMP6, UDP, TCP.
141 1.2 itojun */
142 1.2 itojun
143 1.58 matt DOMAIN_DEFINE(inet6domain); /* forward declare and add to link set */
144 1.2 itojun
145 1.82 ad /* Wrappers to acquire kernel_lock. */
146 1.82 ad
147 1.82 ad PR_WRAP_CTLINPUT(rip6_ctlinput)
148 1.82 ad PR_WRAP_CTLINPUT(encap6_ctlinput)
149 1.82 ad PR_WRAP_CTLINPUT(udp6_ctlinput)
150 1.82 ad PR_WRAP_CTLINPUT(tcp6_ctlinput)
151 1.82 ad
152 1.82 ad #define rip6_ctlinput rip6_ctlinput_wrapper
153 1.82 ad #define encap6_ctlinput encap6_ctlinput_wrapper
154 1.82 ad #define udp6_ctlinput udp6_ctlinput_wrapper
155 1.82 ad #define tcp6_ctlinput tcp6_ctlinput_wrapper
156 1.82 ad
157 1.82 ad PR_WRAP_CTLOUTPUT(rip6_ctloutput)
158 1.82 ad PR_WRAP_CTLOUTPUT(tcp_ctloutput)
159 1.93 christos PR_WRAP_CTLOUTPUT(udp6_ctloutput)
160 1.82 ad PR_WRAP_CTLOUTPUT(icmp6_ctloutput)
161 1.82 ad
162 1.82 ad #define rip6_ctloutput rip6_ctloutput_wrapper
163 1.82 ad #define tcp_ctloutput tcp_ctloutput_wrapper
164 1.93 christos #define udp6_ctloutput udp6_ctloutput_wrapper
165 1.82 ad #define icmp6_ctloutput icmp6_ctloutput_wrapper
166 1.82 ad
167 1.104 rjs #if defined(DCCP)
168 1.104 rjs PR_WRAP_CTLINPUT(dccp6_ctlinput)
169 1.104 rjs PR_WRAP_CTLOUTPUT(dccp_ctloutput)
170 1.104 rjs
171 1.104 rjs #define dccp6_ctlinput dccp6_ctlinput_wrapper
172 1.104 rjs #define dccp_ctloutput dccp_ctloutput_wrapper
173 1.104 rjs #endif
174 1.104 rjs
175 1.99 christos #if defined(IPSEC)
176 1.82 ad PR_WRAP_CTLINPUT(ah6_ctlinput)
177 1.85 tsutsui
178 1.85 tsutsui #define ah6_ctlinput ah6_ctlinput_wrapper
179 1.85 tsutsui #endif
180 1.85 tsutsui
181 1.99 christos #if defined(IPSEC)
182 1.82 ad PR_WRAP_CTLINPUT(esp6_ctlinput)
183 1.82 ad
184 1.82 ad #define esp6_ctlinput esp6_ctlinput_wrapper
185 1.82 ad #endif
186 1.82 ad
187 1.100 pooka static void
188 1.100 pooka tcp6_init(void)
189 1.100 pooka {
190 1.100 pooka
191 1.100 pooka icmp6_mtudisc_callback_register(tcp6_mtudisc_callback);
192 1.100 pooka
193 1.100 pooka tcp_init_common(sizeof(struct ip6_hdr));
194 1.100 pooka }
195 1.100 pooka
196 1.57 matt const struct ip6protosw inet6sw[] = {
197 1.74 liamjfoy { .pr_domain = &inet6domain,
198 1.74 liamjfoy .pr_protocol = IPPROTO_IPV6,
199 1.74 liamjfoy .pr_init = ip6_init,
200 1.91 dyoung .pr_fasttimo = frag6_fasttimo,
201 1.74 liamjfoy .pr_slowtimo = frag6_slowtimo,
202 1.91 dyoung .pr_drain = frag6_drainstub,
203 1.74 liamjfoy },
204 1.74 liamjfoy { .pr_type = SOCK_DGRAM,
205 1.74 liamjfoy .pr_domain = &inet6domain,
206 1.74 liamjfoy .pr_protocol = IPPROTO_UDP,
207 1.74 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_PURGEIF,
208 1.74 liamjfoy .pr_input = udp6_input,
209 1.74 liamjfoy .pr_ctlinput = udp6_ctlinput,
210 1.93 christos .pr_ctloutput = udp6_ctloutput,
211 1.101 rmind .pr_usrreqs = &udp6_usrreqs,
212 1.74 liamjfoy .pr_init = udp6_init,
213 1.74 liamjfoy },
214 1.74 liamjfoy { .pr_type = SOCK_STREAM,
215 1.74 liamjfoy .pr_domain = &inet6domain,
216 1.74 liamjfoy .pr_protocol = IPPROTO_TCP,
217 1.74 liamjfoy .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_LISTEN|PR_ABRTACPTDIS|PR_PURGEIF,
218 1.74 liamjfoy .pr_input = tcp6_input,
219 1.74 liamjfoy .pr_ctlinput = tcp6_ctlinput,
220 1.74 liamjfoy .pr_ctloutput = tcp_ctloutput,
221 1.101 rmind .pr_usrreqs = &tcp_usrreqs,
222 1.100 pooka .pr_init = tcp6_init,
223 1.91 dyoung .pr_fasttimo = tcp_fasttimo,
224 1.91 dyoung .pr_drain = tcp_drainstub,
225 1.2 itojun },
226 1.104 rjs #ifdef DCCP
227 1.104 rjs { .pr_type = SOCK_CONN_DGRAM,
228 1.104 rjs .pr_domain = &inet6domain,
229 1.104 rjs .pr_protocol = IPPROTO_DCCP,
230 1.104 rjs .pr_flags = PR_CONNREQUIRED|PR_ATOMIC|PR_LISTEN,
231 1.104 rjs .pr_input = dccp6_input,
232 1.104 rjs .pr_ctlinput = dccp6_ctlinput,
233 1.104 rjs .pr_ctloutput = dccp_ctloutput,
234 1.104 rjs .pr_usrreqs = &dccp6_usrreqs,
235 1.104 rjs #ifndef INET
236 1.104 rjs .pr_init = dccp_init,
237 1.104 rjs #endif
238 1.104 rjs },
239 1.104 rjs #endif /* DCCP */
240 1.74 liamjfoy { .pr_type = SOCK_RAW,
241 1.74 liamjfoy .pr_domain = &inet6domain,
242 1.74 liamjfoy .pr_protocol = IPPROTO_RAW,
243 1.74 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_PURGEIF,
244 1.74 liamjfoy .pr_input = rip6_input,
245 1.74 liamjfoy .pr_output = rip6_output,
246 1.74 liamjfoy .pr_ctlinput = rip6_ctlinput,
247 1.74 liamjfoy .pr_ctloutput = rip6_ctloutput,
248 1.101 rmind .pr_usrreqs = &rip6_usrreqs,
249 1.74 liamjfoy },
250 1.75 liamjfoy #ifdef GATEWAY
251 1.75 liamjfoy { .pr_domain = &inet6domain,
252 1.75 liamjfoy .pr_protocol = IPPROTO_IPV6,
253 1.75 liamjfoy .pr_slowtimo = ip6flow_slowtimo,
254 1.84 liamjfoy .pr_init = ip6flow_poolinit,
255 1.75 liamjfoy },
256 1.75 liamjfoy #endif /* GATEWAY */
257 1.74 liamjfoy { .pr_type = SOCK_RAW,
258 1.74 liamjfoy .pr_domain = &inet6domain,
259 1.74 liamjfoy .pr_protocol = IPPROTO_ICMPV6,
260 1.74 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
261 1.74 liamjfoy .pr_input = icmp6_input,
262 1.74 liamjfoy .pr_output = rip6_output,
263 1.74 liamjfoy .pr_ctlinput = rip6_ctlinput,
264 1.79 dyoung .pr_ctloutput = icmp6_ctloutput,
265 1.101 rmind .pr_usrreqs = &rip6_usrreqs,
266 1.74 liamjfoy .pr_init = icmp6_init,
267 1.74 liamjfoy },
268 1.74 liamjfoy { .pr_type = SOCK_RAW,
269 1.74 liamjfoy .pr_domain = &inet6domain,
270 1.74 liamjfoy .pr_protocol = IPPROTO_DSTOPTS,
271 1.74 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR,
272 1.74 liamjfoy .pr_input = dest6_input,
273 1.74 liamjfoy },
274 1.74 liamjfoy { .pr_type = SOCK_RAW,
275 1.74 liamjfoy .pr_domain = &inet6domain,
276 1.74 liamjfoy .pr_protocol = IPPROTO_ROUTING,
277 1.74 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR,
278 1.74 liamjfoy .pr_input = route6_input,
279 1.74 liamjfoy },
280 1.74 liamjfoy { .pr_type = SOCK_RAW,
281 1.74 liamjfoy .pr_domain = &inet6domain,
282 1.74 liamjfoy .pr_protocol = IPPROTO_FRAGMENT,
283 1.74 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR,
284 1.74 liamjfoy .pr_input = frag6_input,
285 1.2 itojun },
286 1.99 christos #ifdef IPSEC
287 1.74 liamjfoy { .pr_type = SOCK_RAW,
288 1.74 liamjfoy .pr_domain = &inet6domain,
289 1.74 liamjfoy .pr_protocol = IPPROTO_AH,
290 1.74 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR,
291 1.74 liamjfoy .pr_input = ipsec6_common_input,
292 1.74 liamjfoy .pr_ctlinput = ah6_ctlinput,
293 1.74 liamjfoy },
294 1.74 liamjfoy { .pr_type = SOCK_RAW,
295 1.74 liamjfoy .pr_domain = &inet6domain,
296 1.74 liamjfoy .pr_protocol = IPPROTO_ESP,
297 1.74 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR,
298 1.74 liamjfoy .pr_input = ipsec6_common_input,
299 1.74 liamjfoy .pr_ctlinput = esp6_ctlinput,
300 1.74 liamjfoy },
301 1.74 liamjfoy { .pr_type = SOCK_RAW,
302 1.74 liamjfoy .pr_domain = &inet6domain,
303 1.74 liamjfoy .pr_protocol = IPPROTO_IPCOMP,
304 1.74 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR,
305 1.74 liamjfoy .pr_input = ipsec6_common_input,
306 1.70 degroote },
307 1.99 christos #endif /* IPSEC */
308 1.17 itojun #ifdef INET
309 1.74 liamjfoy { .pr_type = SOCK_RAW,
310 1.74 liamjfoy .pr_domain = &inet6domain,
311 1.74 liamjfoy .pr_protocol = IPPROTO_IPV4,
312 1.74 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
313 1.74 liamjfoy .pr_input = encap6_input,
314 1.74 liamjfoy .pr_output = rip6_output,
315 1.74 liamjfoy .pr_ctlinput = encap6_ctlinput,
316 1.74 liamjfoy .pr_ctloutput = rip6_ctloutput,
317 1.101 rmind .pr_usrreqs = &rip6_usrreqs,
318 1.74 liamjfoy .pr_init = encap_init,
319 1.2 itojun },
320 1.17 itojun #endif
321 1.74 liamjfoy { .pr_type = SOCK_RAW,
322 1.74 liamjfoy .pr_domain = &inet6domain,
323 1.74 liamjfoy .pr_protocol = IPPROTO_IPV6,
324 1.74 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
325 1.74 liamjfoy .pr_input = encap6_input,
326 1.74 liamjfoy .pr_output = rip6_output,
327 1.74 liamjfoy .pr_ctlinput = encap6_ctlinput,
328 1.74 liamjfoy .pr_ctloutput = rip6_ctloutput,
329 1.101 rmind .pr_usrreqs = &rip6_usrreqs,
330 1.74 liamjfoy .pr_init = encap_init,
331 1.2 itojun },
332 1.89 jakllsch #if NETHERIP > 0
333 1.74 liamjfoy { .pr_type = SOCK_RAW,
334 1.74 liamjfoy .pr_domain = &inet6domain,
335 1.74 liamjfoy .pr_protocol = IPPROTO_ETHERIP,
336 1.74 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
337 1.74 liamjfoy .pr_input = ip6_etherip_input,
338 1.74 liamjfoy .pr_output = rip6_output,
339 1.74 liamjfoy .pr_ctlinput = rip6_ctlinput,
340 1.74 liamjfoy .pr_ctloutput = rip6_ctloutput,
341 1.101 rmind .pr_usrreqs = &rip6_usrreqs,
342 1.68 rpaulo },
343 1.68 rpaulo #endif
344 1.63 liamjfoy #if NCARP > 0
345 1.74 liamjfoy { .pr_type = SOCK_RAW,
346 1.74 liamjfoy .pr_domain = &inet6domain,
347 1.74 liamjfoy .pr_protocol = IPPROTO_CARP,
348 1.74 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR,
349 1.74 liamjfoy .pr_input = carp6_proto_input,
350 1.74 liamjfoy .pr_output = rip6_output,
351 1.74 liamjfoy .pr_ctloutput = rip6_ctloutput,
352 1.101 rmind .pr_usrreqs = &rip6_usrreqs,
353 1.63 liamjfoy },
354 1.63 liamjfoy #endif /* NCARP */
355 1.74 liamjfoy { .pr_type = SOCK_RAW,
356 1.74 liamjfoy .pr_domain = &inet6domain,
357 1.74 liamjfoy .pr_protocol = IPPROTO_PIM,
358 1.74 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
359 1.74 liamjfoy .pr_input = pim6_input,
360 1.74 liamjfoy .pr_output = rip6_output,
361 1.74 liamjfoy .pr_ctloutput = rip6_ctloutput,
362 1.101 rmind .pr_usrreqs = &rip6_usrreqs,
363 1.80 thorpej .pr_init = pim6_init,
364 1.2 itojun },
365 1.2 itojun /* raw wildcard */
366 1.74 liamjfoy { .pr_type = SOCK_RAW,
367 1.74 liamjfoy .pr_domain = &inet6domain,
368 1.74 liamjfoy .pr_flags = PR_ATOMIC|PR_ADDR|PR_LASTHDR,
369 1.74 liamjfoy .pr_input = rip6_input,
370 1.74 liamjfoy .pr_output = rip6_output,
371 1.74 liamjfoy .pr_ctloutput = rip6_ctloutput,
372 1.101 rmind .pr_usrreqs = &rip6_usrreqs,
373 1.74 liamjfoy .pr_init = rip6_init,
374 1.2 itojun },
375 1.2 itojun };
376 1.17 itojun
377 1.79 dyoung static const struct sockaddr_in6 in6_any = {
378 1.79 dyoung .sin6_len = sizeof(in6_any)
379 1.79 dyoung , .sin6_family = AF_INET6
380 1.79 dyoung , .sin6_port = 0
381 1.79 dyoung , .sin6_flowinfo = 0
382 1.79 dyoung , .sin6_addr = IN6ADDR_ANY_INIT
383 1.79 dyoung , .sin6_scope_id = 0
384 1.79 dyoung };
385 1.79 dyoung
386 1.100 pooka bool in6_present = false;
387 1.100 pooka static void
388 1.100 pooka in6_init(void)
389 1.100 pooka {
390 1.100 pooka
391 1.100 pooka in6_present = true;
392 1.100 pooka }
393 1.100 pooka
394 1.66 christos struct domain inet6domain = {
395 1.69 dyoung .dom_family = AF_INET6, .dom_name = "internet6",
396 1.100 pooka .dom_init = in6_init, .dom_externalize = NULL, .dom_dispose = NULL,
397 1.69 dyoung .dom_protosw = (const struct protosw *)inet6sw,
398 1.69 dyoung .dom_protoswNPROTOSW = (const struct protosw *)&inet6sw[sizeof(inet6sw)/sizeof(inet6sw[0])],
399 1.90 dyoung .dom_rtattach = rt_inithead,
400 1.69 dyoung .dom_rtoffset = offsetof(struct sockaddr_in6, sin6_addr) << 3,
401 1.83 pooka .dom_maxrtkey = sizeof(struct ip_pack6),
402 1.105 roy .dom_if_up = in6_if_up, .dom_if_down = in6_if_down,
403 1.69 dyoung .dom_ifattach = in6_domifattach, .dom_ifdetach = in6_domifdetach,
404 1.105 roy .dom_if_link_state_change = in6_if_link_state_change,
405 1.103 rmind .dom_ifqueues = { NULL, NULL },
406 1.69 dyoung .dom_link = { NULL },
407 1.76 dyoung .dom_mowner = MOWNER_INIT("",""),
408 1.77 dyoung .dom_sa_cmpofs = offsetof(struct sockaddr_in6, sin6_addr),
409 1.77 dyoung .dom_sa_cmplen = sizeof(struct in6_addr),
410 1.79 dyoung .dom_sa_any = (const struct sockaddr *)&in6_any,
411 1.87 dyoung .dom_sockaddr_externalize = sockaddr_in6_externalize,
412 1.77 dyoung .dom_rtcache = LIST_HEAD_INITIALIZER(inet6domain.dom_rtcache)
413 1.66 christos };
414 1.2 itojun
415 1.86 dyoung #if 0
416 1.76 dyoung int
417 1.76 dyoung sockaddr_in6_cmp(const struct sockaddr *lsa, const struct sockaddr *rsa)
418 1.76 dyoung {
419 1.76 dyoung uint_fast8_t len;
420 1.76 dyoung const uint_fast8_t addrofs = offsetof(struct sockaddr_in6, sin6_addr),
421 1.76 dyoung addrend = addrofs + sizeof(struct in6_addr);
422 1.76 dyoung int rc;
423 1.76 dyoung const struct sockaddr_in6 *lsin6, *rsin6;
424 1.76 dyoung
425 1.76 dyoung lsin6 = satocsin6(lsa);
426 1.76 dyoung rsin6 = satocsin6(rsa);
427 1.76 dyoung
428 1.76 dyoung len = MIN(addrend, MIN(lsin6->sin6_len, rsin6->sin6_len));
429 1.76 dyoung
430 1.76 dyoung if (len > addrofs &&
431 1.76 dyoung (rc = memcmp(&lsin6->sin6_addr, &rsin6->sin6_addr,
432 1.76 dyoung len - addrofs)) != 0)
433 1.76 dyoung return rc;
434 1.76 dyoung
435 1.76 dyoung return lsin6->sin6_len - rsin6->sin6_len;
436 1.76 dyoung }
437 1.86 dyoung #endif
438 1.76 dyoung
439 1.2 itojun /*
440 1.2 itojun * Internet configuration info
441 1.2 itojun */
442 1.2 itojun #ifndef IPV6FORWARDING
443 1.2 itojun #ifdef GATEWAY6
444 1.2 itojun #define IPV6FORWARDING 1 /* forward IP6 packets not for us */
445 1.2 itojun #else
446 1.2 itojun #define IPV6FORWARDING 0 /* don't forward IP6 packets not for us */
447 1.2 itojun #endif /* GATEWAY6 */
448 1.2 itojun #endif /* !IPV6FORWARDING */
449 1.2 itojun
450 1.2 itojun int ip6_forwarding = IPV6FORWARDING; /* act as router? */
451 1.48 itojun int ip6_sendredirects = 1;
452 1.2 itojun int ip6_defhlim = IPV6_DEFHLIM;
453 1.2 itojun int ip6_defmcasthlim = IPV6_DEFAULT_MULTICAST_HOPS;
454 1.2 itojun int ip6_accept_rtadv = 0; /* "IPV6FORWARDING ? 0 : 1" is dangerous */
455 1.2 itojun int ip6_maxfragpackets = 200;
456 1.40 itojun int ip6_maxfrags = 200;
457 1.2 itojun int ip6_log_interval = 5;
458 1.2 itojun int ip6_hdrnestlimit = 50; /* appropriate? */
459 1.2 itojun int ip6_dad_count = 1; /* DupAddrDetectionTransmits */
460 1.2 itojun int ip6_auto_flowlabel = 1;
461 1.45 itojun int ip6_use_deprecated = 1; /* allow deprecated addr (RFC2462 5.5.4) */
462 1.9 itojun int ip6_rr_prune = 5; /* router renumbering prefix
463 1.38 itojun * walk list every 5 sec. */
464 1.62 rpaulo int ip6_mcast_pmtu = 0; /* enable pMTU discovery for multicast? */
465 1.55 briggs int ip6_v6only = 1;
466 1.97 christos int ip6_neighborgcthresh = 2048; /* Threshold # of NDP entries for GC */
467 1.97 christos int ip6_maxifprefixes = 16; /* Max acceptable prefixes via RA per IF */
468 1.97 christos int ip6_maxifdefrouters = 16; /* Max acceptable def routers via RA */
469 1.97 christos int ip6_maxdynroutes = 4096; /* Max # of routes created via redirect */
470 1.11 itojun
471 1.2 itojun int ip6_keepfaith = 0;
472 1.95 christos time_t ip6_log_time = 0;
473 1.92 spz int ip6_rtadv_maxroutes = 100; /* (arbitrary) initial maximum number of
474 1.92 spz * routes via rtadv expected to be
475 1.92 spz * significantly larger than common use.
476 1.92 spz * if you need to count: 3 extra initial
477 1.92 spz * routes, plus 1 per interface after the
478 1.92 spz * first one, then one per non-linklocal
479 1.92 spz * prefix */
480 1.2 itojun
481 1.2 itojun /* icmp6 */
482 1.9 itojun /*
483 1.9 itojun * BSDI4 defines these variables in in_proto.c...
484 1.9 itojun * XXX: what if we don't define INET? Should we define pmtu6_expire
485 1.9 itojun * or so? (jinmei (at) kame.net 19990310)
486 1.9 itojun */
487 1.2 itojun int pmtu_expire = 60*10;
488 1.2 itojun
489 1.2 itojun /* raw IP6 parameters */
490 1.2 itojun /*
491 1.2 itojun * Nominal space allocated to a raw ip socket.
492 1.2 itojun */
493 1.2 itojun #define RIPV6SNDQ 8192
494 1.2 itojun #define RIPV6RCVQ 8192
495 1.2 itojun
496 1.2 itojun u_long rip6_sendspace = RIPV6SNDQ;
497 1.2 itojun u_long rip6_recvspace = RIPV6RCVQ;
498 1.2 itojun
499 1.2 itojun /* ICMPV6 parameters */
500 1.2 itojun int icmp6_rediraccept = 1; /* accept and process redirects */
501 1.2 itojun int icmp6_redirtimeout = 10 * 60; /* 10 minutes */
502 1.18 itojun int icmp6errppslim = 100; /* 100pps */
503 1.10 itojun int icmp6_nodeinfo = 1; /* enable/disable NI response */
504