Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * PF_INET6 socket protocol family | |
1ab1457c | 3 | * Linux INET6 implementation |
1da177e4 LT |
4 | * |
5 | * Authors: | |
1ab1457c | 6 | * Pedro Roque <roque@di.fc.ul.pt> |
1da177e4 LT |
7 | * |
8 | * Adapted from linux/net/ipv4/af_inet.c | |
9 | * | |
1da177e4 LT |
10 | * Fixes: |
11 | * piggy, Karl Knutson : Socket protocol table | |
12 | * Hideaki YOSHIFUJI : sin6_scope_id support | |
13 | * Arnaldo Melo : check proc_net_create return, cleanups | |
14 | * | |
15 | * This program is free software; you can redistribute it and/or | |
16 | * modify it under the terms of the GNU General Public License | |
17 | * as published by the Free Software Foundation; either version | |
18 | * 2 of the License, or (at your option) any later version. | |
19 | */ | |
20 | ||
f3213831 | 21 | #define pr_fmt(fmt) "IPv6: " fmt |
1da177e4 LT |
22 | |
23 | #include <linux/module.h> | |
4fc268d2 | 24 | #include <linux/capability.h> |
1da177e4 LT |
25 | #include <linux/errno.h> |
26 | #include <linux/types.h> | |
27 | #include <linux/socket.h> | |
28 | #include <linux/in.h> | |
29 | #include <linux/kernel.h> | |
1da177e4 LT |
30 | #include <linux/timer.h> |
31 | #include <linux/string.h> | |
32 | #include <linux/sockios.h> | |
33 | #include <linux/net.h> | |
34 | #include <linux/fcntl.h> | |
35 | #include <linux/mm.h> | |
36 | #include <linux/interrupt.h> | |
37 | #include <linux/proc_fs.h> | |
38 | #include <linux/stat.h> | |
39 | #include <linux/init.h> | |
5a0e3ad6 | 40 | #include <linux/slab.h> |
1da177e4 LT |
41 | |
42 | #include <linux/inet.h> | |
43 | #include <linux/netdevice.h> | |
44 | #include <linux/icmpv6.h> | |
2cc7d573 | 45 | #include <linux/netfilter_ipv6.h> |
1da177e4 LT |
46 | |
47 | #include <net/ip.h> | |
48 | #include <net/ipv6.h> | |
49 | #include <net/udp.h> | |
ba4e58ec | 50 | #include <net/udplite.h> |
1da177e4 | 51 | #include <net/tcp.h> |
6d0bfe22 | 52 | #include <net/ping.h> |
1da177e4 LT |
53 | #include <net/protocol.h> |
54 | #include <net/inet_common.h> | |
1668e010 | 55 | #include <net/route.h> |
1da177e4 LT |
56 | #include <net/transp_v6.h> |
57 | #include <net/ip6_route.h> | |
58 | #include <net/addrconf.h> | |
f564f45c | 59 | #include <net/ndisc.h> |
1da177e4 LT |
60 | #ifdef CONFIG_IPV6_TUNNEL |
61 | #include <net/ip6_tunnel.h> | |
62 | #endif | |
63 | ||
64 | #include <asm/uaccess.h> | |
7bc570c8 | 65 | #include <linux/mroute6.h> |
1da177e4 LT |
66 | |
67 | MODULE_AUTHOR("Cast of dozens"); | |
68 | MODULE_DESCRIPTION("IPv6 protocol stack for Linux"); | |
69 | MODULE_LICENSE("GPL"); | |
70 | ||
f1267347 | 71 | /* The inetsw6 table contains everything that inet6_create needs to |
1da177e4 LT |
72 | * build a new socket. |
73 | */ | |
74 | static struct list_head inetsw6[SOCK_MAX]; | |
75 | static DEFINE_SPINLOCK(inetsw6_lock); | |
76 | ||
56d417b1 BH |
77 | struct ipv6_params ipv6_defaults = { |
78 | .disable_ipv6 = 0, | |
79 | .autoconf = 1, | |
80 | }; | |
81 | ||
647c0c70 | 82 | static int disable_ipv6_mod; |
56d417b1 BH |
83 | |
84 | module_param_named(disable, disable_ipv6_mod, int, 0444); | |
85 | MODULE_PARM_DESC(disable, "Disable IPv6 module such that it is non-functional"); | |
86 | ||
87 | module_param_named(disable_ipv6, ipv6_defaults.disable_ipv6, int, 0444); | |
88 | MODULE_PARM_DESC(disable_ipv6, "Disable IPv6 on all interfaces"); | |
89 | ||
90 | module_param_named(autoconf, ipv6_defaults.autoconf, int, 0444); | |
91 | MODULE_PARM_DESC(autoconf, "Enable IPv6 address autoconfiguration on all interfaces"); | |
fe7ca2e1 | 92 | |
1da177e4 LT |
93 | static __inline__ struct ipv6_pinfo *inet6_sk_generic(struct sock *sk) |
94 | { | |
95 | const int offset = sk->sk_prot->obj_size - sizeof(struct ipv6_pinfo); | |
96 | ||
97 | return (struct ipv6_pinfo *)(((u8 *)sk) + offset); | |
98 | } | |
99 | ||
3f378b68 EP |
100 | static int inet6_create(struct net *net, struct socket *sock, int protocol, |
101 | int kern) | |
1da177e4 LT |
102 | { |
103 | struct inet_sock *inet; | |
104 | struct ipv6_pinfo *np; | |
105 | struct sock *sk; | |
1da177e4 LT |
106 | struct inet_protosw *answer; |
107 | struct proto *answer_prot; | |
108 | unsigned char answer_flags; | |
109 | char answer_no_check; | |
af1afe86 YH |
110 | int try_loading_module = 0; |
111 | int err; | |
1da177e4 | 112 | |
b3da2cf3 DM |
113 | if (sock->type != SOCK_RAW && |
114 | sock->type != SOCK_DGRAM && | |
115 | !inet_ehash_secret) | |
116 | build_ehash_secret(); | |
117 | ||
1da177e4 | 118 | /* Look for the requested type/protocol pair. */ |
af1afe86 YH |
119 | lookup_protocol: |
120 | err = -ESOCKTNOSUPPORT; | |
1da177e4 | 121 | rcu_read_lock(); |
696adfe8 | 122 | list_for_each_entry_rcu(answer, &inetsw6[sock->type], list) { |
1da177e4 | 123 | |
696adfe8 | 124 | err = 0; |
1da177e4 LT |
125 | /* Check the non-wild match. */ |
126 | if (protocol == answer->protocol) { | |
127 | if (protocol != IPPROTO_IP) | |
128 | break; | |
129 | } else { | |
130 | /* Check for the two wild cases. */ | |
131 | if (IPPROTO_IP == protocol) { | |
132 | protocol = answer->protocol; | |
133 | break; | |
134 | } | |
135 | if (IPPROTO_IP == answer->protocol) | |
136 | break; | |
137 | } | |
af1afe86 | 138 | err = -EPROTONOSUPPORT; |
1da177e4 LT |
139 | } |
140 | ||
696adfe8 | 141 | if (err) { |
af1afe86 YH |
142 | if (try_loading_module < 2) { |
143 | rcu_read_unlock(); | |
144 | /* | |
145 | * Be more specific, e.g. net-pf-10-proto-132-type-1 | |
146 | * (net-pf-PF_INET6-proto-IPPROTO_SCTP-type-SOCK_STREAM) | |
147 | */ | |
148 | if (++try_loading_module == 1) | |
149 | request_module("net-pf-%d-proto-%d-type-%d", | |
150 | PF_INET6, protocol, sock->type); | |
151 | /* | |
152 | * Fall back to generic, e.g. net-pf-10-proto-132 | |
153 | * (net-pf-PF_INET6-proto-IPPROTO_SCTP) | |
154 | */ | |
155 | else | |
156 | request_module("net-pf-%d-proto-%d", | |
157 | PF_INET6, protocol); | |
158 | goto lookup_protocol; | |
159 | } else | |
160 | goto out_rcu_unlock; | |
161 | } | |
162 | ||
163 | err = -EPERM; | |
af31f412 EB |
164 | if (sock->type == SOCK_RAW && !kern && |
165 | !ns_capable(net->user_ns, CAP_NET_RAW)) | |
1da177e4 | 166 | goto out_rcu_unlock; |
1da177e4 LT |
167 | |
168 | sock->ops = answer->ops; | |
1da177e4 LT |
169 | answer_prot = answer->prot; |
170 | answer_no_check = answer->no_check; | |
171 | answer_flags = answer->flags; | |
172 | rcu_read_unlock(); | |
173 | ||
547b792c | 174 | WARN_ON(answer_prot->slab == NULL); |
1da177e4 | 175 | |
af1afe86 | 176 | err = -ENOBUFS; |
6257ff21 | 177 | sk = sk_alloc(net, PF_INET6, GFP_KERNEL, answer_prot); |
1da177e4 LT |
178 | if (sk == NULL) |
179 | goto out; | |
180 | ||
181 | sock_init_data(sock, sk); | |
182 | ||
af1afe86 | 183 | err = 0; |
1da177e4 LT |
184 | sk->sk_no_check = answer_no_check; |
185 | if (INET_PROTOSW_REUSE & answer_flags) | |
4a17fd52 | 186 | sk->sk_reuse = SK_CAN_REUSE; |
1da177e4 LT |
187 | |
188 | inet = inet_sk(sk); | |
469de9b9 | 189 | inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) != 0; |
1da177e4 LT |
190 | |
191 | if (SOCK_RAW == sock->type) { | |
c720c7e8 | 192 | inet->inet_num = protocol; |
1da177e4 LT |
193 | if (IPPROTO_RAW == protocol) |
194 | inet->hdrincl = 1; | |
195 | } | |
196 | ||
e6848976 | 197 | sk->sk_destruct = inet_sock_destruct; |
1da177e4 LT |
198 | sk->sk_family = PF_INET6; |
199 | sk->sk_protocol = protocol; | |
200 | ||
201 | sk->sk_backlog_rcv = answer->prot->backlog_rcv; | |
202 | ||
203 | inet_sk(sk)->pinet6 = np = inet6_sk_generic(sk); | |
204 | np->hop_limit = -1; | |
f935aa9e | 205 | np->mcast_hops = IPV6_DEFAULT_MCASTHOPS; |
1da177e4 LT |
206 | np->mc_loop = 1; |
207 | np->pmtudisc = IPV6_PMTUDISC_WANT; | |
2e761e05 | 208 | np->ipv6only = net->ipv6.sysctl.bindv6only; |
1ab1457c | 209 | |
1da177e4 LT |
210 | /* Init the ipv4 part of the socket since we can have sockets |
211 | * using v6 API for ipv4. | |
212 | */ | |
213 | inet->uc_ttl = -1; | |
214 | ||
215 | inet->mc_loop = 1; | |
216 | inet->mc_ttl = 1; | |
217 | inet->mc_index = 0; | |
218 | inet->mc_list = NULL; | |
4c507d28 | 219 | inet->rcv_tos = 0; |
1da177e4 LT |
220 | |
221 | if (ipv4_config.no_pmtu_disc) | |
222 | inet->pmtudisc = IP_PMTUDISC_DONT; | |
223 | else | |
224 | inet->pmtudisc = IP_PMTUDISC_WANT; | |
1ab1457c | 225 | /* |
e6848976 ACM |
226 | * Increment only the relevant sk_prot->socks debug field, this changes |
227 | * the previous behaviour of incrementing both the equivalent to | |
228 | * answer->prot->socks (inet6_sock_nr) and inet_sock_nr. | |
229 | * | |
230 | * This allows better debug granularity as we'll know exactly how many | |
231 | * UDPv6, TCPv6, etc socks were allocated, not the sum of all IPv6 | |
232 | * transport protocol socks. -acme | |
233 | */ | |
234 | sk_refcnt_debug_inc(sk); | |
1da177e4 | 235 | |
c720c7e8 | 236 | if (inet->inet_num) { |
1da177e4 LT |
237 | /* It assumes that any protocol which allows |
238 | * the user to assign a number at socket | |
239 | * creation time automatically shares. | |
240 | */ | |
c720c7e8 | 241 | inet->inet_sport = htons(inet->inet_num); |
1da177e4 LT |
242 | sk->sk_prot->hash(sk); |
243 | } | |
244 | if (sk->sk_prot->init) { | |
af1afe86 YH |
245 | err = sk->sk_prot->init(sk); |
246 | if (err) { | |
1da177e4 LT |
247 | sk_common_release(sk); |
248 | goto out; | |
249 | } | |
250 | } | |
251 | out: | |
af1afe86 | 252 | return err; |
1da177e4 LT |
253 | out_rcu_unlock: |
254 | rcu_read_unlock(); | |
255 | goto out; | |
256 | } | |
257 | ||
258 | ||
259 | /* bind for INET6 API */ | |
260 | int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) | |
261 | { | |
647c0c70 | 262 | struct sockaddr_in6 *addr = (struct sockaddr_in6 *)uaddr; |
1da177e4 LT |
263 | struct sock *sk = sock->sk; |
264 | struct inet_sock *inet = inet_sk(sk); | |
265 | struct ipv6_pinfo *np = inet6_sk(sk); | |
3b1e0a65 | 266 | struct net *net = sock_net(sk); |
fd683222 | 267 | __be32 v4addr = 0; |
1da177e4 LT |
268 | unsigned short snum; |
269 | int addr_type = 0; | |
270 | int err = 0; | |
271 | ||
272 | /* If the socket has its own bind function then use it. */ | |
273 | if (sk->sk_prot->bind) | |
274 | return sk->sk_prot->bind(sk, uaddr, addr_len); | |
275 | ||
276 | if (addr_len < SIN6_LEN_RFC2133) | |
277 | return -EINVAL; | |
5a079c30 MM |
278 | |
279 | if (addr->sin6_family != AF_INET6) | |
c349a528 | 280 | return -EAFNOSUPPORT; |
5a079c30 | 281 | |
1da177e4 LT |
282 | addr_type = ipv6_addr_type(&addr->sin6_addr); |
283 | if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM) | |
284 | return -EINVAL; | |
285 | ||
286 | snum = ntohs(addr->sin6_port); | |
3594698a | 287 | if (snum && snum < PROT_SOCK && !ns_capable(net->user_ns, CAP_NET_BIND_SERVICE)) |
1da177e4 LT |
288 | return -EACCES; |
289 | ||
290 | lock_sock(sk); | |
291 | ||
292 | /* Check these errors (active socket, double bind). */ | |
c720c7e8 | 293 | if (sk->sk_state != TCP_CLOSE || inet->inet_num) { |
1da177e4 LT |
294 | err = -EINVAL; |
295 | goto out; | |
296 | } | |
297 | ||
298 | /* Check if the address belongs to the host. */ | |
299 | if (addr_type == IPV6_ADDR_MAPPED) { | |
63d9950b VY |
300 | int chk_addr_ret; |
301 | ||
783ed5a7 VY |
302 | /* Binding to v4-mapped address on a v6-only socket |
303 | * makes no sense | |
304 | */ | |
305 | if (np->ipv6only) { | |
306 | err = -EINVAL; | |
307 | goto out; | |
308 | } | |
63d9950b | 309 | |
a34f0b31 | 310 | /* Reproduce AF_INET checks to make the bindings consistent */ |
1da177e4 | 311 | v4addr = addr->sin6_addr.s6_addr32[3]; |
63d9950b VY |
312 | chk_addr_ret = inet_addr_type(net, v4addr); |
313 | if (!sysctl_ip_nonlocal_bind && | |
314 | !(inet->freebind || inet->transparent) && | |
315 | v4addr != htonl(INADDR_ANY) && | |
316 | chk_addr_ret != RTN_LOCAL && | |
317 | chk_addr_ret != RTN_MULTICAST && | |
ca6982b8 BP |
318 | chk_addr_ret != RTN_BROADCAST) { |
319 | err = -EADDRNOTAVAIL; | |
1da177e4 | 320 | goto out; |
ca6982b8 | 321 | } |
1da177e4 LT |
322 | } else { |
323 | if (addr_type != IPV6_ADDR_ANY) { | |
324 | struct net_device *dev = NULL; | |
325 | ||
16ba5e8e | 326 | rcu_read_lock(); |
842df073 | 327 | if (__ipv6_addr_needs_scope_id(addr_type)) { |
1da177e4 LT |
328 | if (addr_len >= sizeof(struct sockaddr_in6) && |
329 | addr->sin6_scope_id) { | |
330 | /* Override any existing binding, if another one | |
331 | * is supplied by user. | |
332 | */ | |
333 | sk->sk_bound_dev_if = addr->sin6_scope_id; | |
334 | } | |
1ab1457c | 335 | |
1da177e4 LT |
336 | /* Binding to link-local address requires an interface */ |
337 | if (!sk->sk_bound_dev_if) { | |
338 | err = -EINVAL; | |
16ba5e8e | 339 | goto out_unlock; |
1da177e4 | 340 | } |
16ba5e8e | 341 | dev = dev_get_by_index_rcu(net, sk->sk_bound_dev_if); |
1da177e4 LT |
342 | if (!dev) { |
343 | err = -ENODEV; | |
16ba5e8e | 344 | goto out_unlock; |
1da177e4 LT |
345 | } |
346 | } | |
347 | ||
348 | /* ipv4 addr of the socket is invalid. Only the | |
349 | * unspecified and mapped address have a v4 equivalent. | |
350 | */ | |
351 | v4addr = LOOPBACK4_IPV6; | |
352 | if (!(addr_type & IPV6_ADDR_MULTICAST)) { | |
f74024d9 | 353 | if (!(inet->freebind || inet->transparent) && |
0a513f6a | 354 | !ipv6_chk_addr(net, &addr->sin6_addr, |
bfeade08 | 355 | dev, 0)) { |
1da177e4 | 356 | err = -EADDRNOTAVAIL; |
16ba5e8e | 357 | goto out_unlock; |
1da177e4 LT |
358 | } |
359 | } | |
16ba5e8e | 360 | rcu_read_unlock(); |
1da177e4 LT |
361 | } |
362 | } | |
363 | ||
c720c7e8 ED |
364 | inet->inet_rcv_saddr = v4addr; |
365 | inet->inet_saddr = v4addr; | |
1da177e4 | 366 | |
4e3fd7a0 | 367 | np->rcv_saddr = addr->sin6_addr; |
1ab1457c | 368 | |
1da177e4 | 369 | if (!(addr_type & IPV6_ADDR_MULTICAST)) |
4e3fd7a0 | 370 | np->saddr = addr->sin6_addr; |
1da177e4 LT |
371 | |
372 | /* Make sure we are allowed to bind here. */ | |
373 | if (sk->sk_prot->get_port(sk, snum)) { | |
374 | inet_reset_saddr(sk); | |
375 | err = -EADDRINUSE; | |
376 | goto out; | |
377 | } | |
378 | ||
0f8d3c7a | 379 | if (addr_type != IPV6_ADDR_ANY) { |
1da177e4 | 380 | sk->sk_userlocks |= SOCK_BINDADDR_LOCK; |
0f8d3c7a VY |
381 | if (addr_type != IPV6_ADDR_MAPPED) |
382 | np->ipv6only = 1; | |
383 | } | |
1da177e4 LT |
384 | if (snum) |
385 | sk->sk_userlocks |= SOCK_BINDPORT_LOCK; | |
c720c7e8 ED |
386 | inet->inet_sport = htons(inet->inet_num); |
387 | inet->inet_dport = 0; | |
388 | inet->inet_daddr = 0; | |
1da177e4 LT |
389 | out: |
390 | release_sock(sk); | |
391 | return err; | |
16ba5e8e ED |
392 | out_unlock: |
393 | rcu_read_unlock(); | |
394 | goto out; | |
1da177e4 | 395 | } |
7159039a YH |
396 | EXPORT_SYMBOL(inet6_bind); |
397 | ||
1da177e4 LT |
398 | int inet6_release(struct socket *sock) |
399 | { | |
400 | struct sock *sk = sock->sk; | |
401 | ||
402 | if (sk == NULL) | |
403 | return -EINVAL; | |
404 | ||
405 | /* Free mc lists */ | |
406 | ipv6_sock_mc_close(sk); | |
407 | ||
408 | /* Free ac lists */ | |
409 | ipv6_sock_ac_close(sk); | |
410 | ||
411 | return inet_release(sock); | |
412 | } | |
7159039a YH |
413 | EXPORT_SYMBOL(inet6_release); |
414 | ||
7d06b2e0 | 415 | void inet6_destroy_sock(struct sock *sk) |
1da177e4 LT |
416 | { |
417 | struct ipv6_pinfo *np = inet6_sk(sk); | |
418 | struct sk_buff *skb; | |
419 | struct ipv6_txoptions *opt; | |
420 | ||
1da177e4 LT |
421 | /* Release rx options */ |
422 | ||
647c0c70 EZ |
423 | skb = xchg(&np->pktoptions, NULL); |
424 | if (skb != NULL) | |
1da177e4 | 425 | kfree_skb(skb); |
4b340ae2 | 426 | |
647c0c70 EZ |
427 | skb = xchg(&np->rxpmtu, NULL); |
428 | if (skb != NULL) | |
4b340ae2 | 429 | kfree_skb(skb); |
1da177e4 LT |
430 | |
431 | /* Free flowlabels */ | |
432 | fl6_free_socklist(sk); | |
433 | ||
434 | /* Free tx options */ | |
435 | ||
647c0c70 EZ |
436 | opt = xchg(&np->opt, NULL); |
437 | if (opt != NULL) | |
1da177e4 | 438 | sock_kfree_s(sk, opt, opt->tot_len); |
1da177e4 | 439 | } |
3cf3dc6c ACM |
440 | EXPORT_SYMBOL_GPL(inet6_destroy_sock); |
441 | ||
1da177e4 LT |
442 | /* |
443 | * This does both peername and sockname. | |
444 | */ | |
1ab1457c | 445 | |
1da177e4 LT |
446 | int inet6_getname(struct socket *sock, struct sockaddr *uaddr, |
447 | int *uaddr_len, int peer) | |
448 | { | |
647c0c70 | 449 | struct sockaddr_in6 *sin = (struct sockaddr_in6 *)uaddr; |
1da177e4 LT |
450 | struct sock *sk = sock->sk; |
451 | struct inet_sock *inet = inet_sk(sk); | |
452 | struct ipv6_pinfo *np = inet6_sk(sk); | |
1ab1457c | 453 | |
1da177e4 LT |
454 | sin->sin6_family = AF_INET6; |
455 | sin->sin6_flowinfo = 0; | |
456 | sin->sin6_scope_id = 0; | |
457 | if (peer) { | |
c720c7e8 | 458 | if (!inet->inet_dport) |
1da177e4 LT |
459 | return -ENOTCONN; |
460 | if (((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_SYN_SENT)) && | |
461 | peer == 1) | |
462 | return -ENOTCONN; | |
c720c7e8 | 463 | sin->sin6_port = inet->inet_dport; |
4e3fd7a0 | 464 | sin->sin6_addr = np->daddr; |
1da177e4 LT |
465 | if (np->sndflow) |
466 | sin->sin6_flowinfo = np->flow_label; | |
467 | } else { | |
468 | if (ipv6_addr_any(&np->rcv_saddr)) | |
4e3fd7a0 | 469 | sin->sin6_addr = np->saddr; |
1da177e4 | 470 | else |
4e3fd7a0 | 471 | sin->sin6_addr = np->rcv_saddr; |
1da177e4 | 472 | |
c720c7e8 | 473 | sin->sin6_port = inet->inet_sport; |
1da177e4 | 474 | } |
842df073 HFS |
475 | sin->sin6_scope_id = ipv6_iface_scope_id(&sin->sin6_addr, |
476 | sk->sk_bound_dev_if); | |
1da177e4 | 477 | *uaddr_len = sizeof(*sin); |
a02cec21 | 478 | return 0; |
1da177e4 | 479 | } |
7159039a YH |
480 | EXPORT_SYMBOL(inet6_getname); |
481 | ||
1da177e4 LT |
482 | int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) |
483 | { | |
484 | struct sock *sk = sock->sk; | |
3b1e0a65 | 485 | struct net *net = sock_net(sk); |
1da177e4 | 486 | |
647c0c70 | 487 | switch (cmd) { |
1da177e4 LT |
488 | case SIOCGSTAMP: |
489 | return sock_get_timestamp(sk, (struct timeval __user *)arg); | |
490 | ||
ae40eb1e ED |
491 | case SIOCGSTAMPNS: |
492 | return sock_get_timestampns(sk, (struct timespec __user *)arg); | |
493 | ||
1da177e4 LT |
494 | case SIOCADDRT: |
495 | case SIOCDELRT: | |
1ab1457c | 496 | |
a02cec21 | 497 | return ipv6_route_ioctl(net, cmd, (void __user *)arg); |
1da177e4 LT |
498 | |
499 | case SIOCSIFADDR: | |
af284937 | 500 | return addrconf_add_ifaddr(net, (void __user *) arg); |
1da177e4 | 501 | case SIOCDIFADDR: |
af284937 | 502 | return addrconf_del_ifaddr(net, (void __user *) arg); |
1da177e4 | 503 | case SIOCSIFDSTADDR: |
af284937 | 504 | return addrconf_set_dstaddr(net, (void __user *) arg); |
1da177e4 | 505 | default: |
b5e5fa5e CH |
506 | if (!sk->sk_prot->ioctl) |
507 | return -ENOIOCTLCMD; | |
508 | return sk->sk_prot->ioctl(sk, cmd, arg); | |
1da177e4 LT |
509 | } |
510 | /*NOTREACHED*/ | |
a02cec21 | 511 | return 0; |
1da177e4 | 512 | } |
7159039a YH |
513 | EXPORT_SYMBOL(inet6_ioctl); |
514 | ||
90ddc4f0 | 515 | const struct proto_ops inet6_stream_ops = { |
543d9cfe ACM |
516 | .family = PF_INET6, |
517 | .owner = THIS_MODULE, | |
518 | .release = inet6_release, | |
519 | .bind = inet6_bind, | |
520 | .connect = inet_stream_connect, /* ok */ | |
521 | .socketpair = sock_no_socketpair, /* a do nothing */ | |
522 | .accept = inet_accept, /* ok */ | |
523 | .getname = inet6_getname, | |
524 | .poll = tcp_poll, /* ok */ | |
525 | .ioctl = inet6_ioctl, /* must change */ | |
526 | .listen = inet_listen, /* ok */ | |
527 | .shutdown = inet_shutdown, /* ok */ | |
528 | .setsockopt = sock_common_setsockopt, /* ok */ | |
529 | .getsockopt = sock_common_getsockopt, /* ok */ | |
7ba42910 CG |
530 | .sendmsg = inet_sendmsg, /* ok */ |
531 | .recvmsg = inet_recvmsg, /* ok */ | |
543d9cfe | 532 | .mmap = sock_no_mmap, |
7ba42910 | 533 | .sendpage = inet_sendpage, |
a0974dd3 | 534 | .splice_read = tcp_splice_read, |
3fdadf7d | 535 | #ifdef CONFIG_COMPAT |
543d9cfe ACM |
536 | .compat_setsockopt = compat_sock_common_setsockopt, |
537 | .compat_getsockopt = compat_sock_common_getsockopt, | |
3fdadf7d | 538 | #endif |
1da177e4 LT |
539 | }; |
540 | ||
90ddc4f0 | 541 | const struct proto_ops inet6_dgram_ops = { |
543d9cfe ACM |
542 | .family = PF_INET6, |
543 | .owner = THIS_MODULE, | |
544 | .release = inet6_release, | |
545 | .bind = inet6_bind, | |
546 | .connect = inet_dgram_connect, /* ok */ | |
547 | .socketpair = sock_no_socketpair, /* a do nothing */ | |
548 | .accept = sock_no_accept, /* a do nothing */ | |
549 | .getname = inet6_getname, | |
550 | .poll = udp_poll, /* ok */ | |
551 | .ioctl = inet6_ioctl, /* must change */ | |
552 | .listen = sock_no_listen, /* ok */ | |
553 | .shutdown = inet_shutdown, /* ok */ | |
554 | .setsockopt = sock_common_setsockopt, /* ok */ | |
555 | .getsockopt = sock_common_getsockopt, /* ok */ | |
556 | .sendmsg = inet_sendmsg, /* ok */ | |
7ba42910 | 557 | .recvmsg = inet_recvmsg, /* ok */ |
543d9cfe ACM |
558 | .mmap = sock_no_mmap, |
559 | .sendpage = sock_no_sendpage, | |
3fdadf7d | 560 | #ifdef CONFIG_COMPAT |
543d9cfe ACM |
561 | .compat_setsockopt = compat_sock_common_setsockopt, |
562 | .compat_getsockopt = compat_sock_common_getsockopt, | |
3fdadf7d | 563 | #endif |
1da177e4 LT |
564 | }; |
565 | ||
ec1b4cf7 | 566 | static const struct net_proto_family inet6_family_ops = { |
1da177e4 LT |
567 | .family = PF_INET6, |
568 | .create = inet6_create, | |
569 | .owner = THIS_MODULE, | |
570 | }; | |
571 | ||
87c3efbf | 572 | int inet6_register_protosw(struct inet_protosw *p) |
1da177e4 LT |
573 | { |
574 | struct list_head *lh; | |
575 | struct inet_protosw *answer; | |
1da177e4 | 576 | struct list_head *last_perm; |
87c3efbf DL |
577 | int protocol = p->protocol; |
578 | int ret; | |
1da177e4 LT |
579 | |
580 | spin_lock_bh(&inetsw6_lock); | |
581 | ||
87c3efbf | 582 | ret = -EINVAL; |
1da177e4 LT |
583 | if (p->type >= SOCK_MAX) |
584 | goto out_illegal; | |
585 | ||
586 | /* If we are trying to override a permanent protocol, bail. */ | |
587 | answer = NULL; | |
87c3efbf | 588 | ret = -EPERM; |
1da177e4 LT |
589 | last_perm = &inetsw6[p->type]; |
590 | list_for_each(lh, &inetsw6[p->type]) { | |
591 | answer = list_entry(lh, struct inet_protosw, list); | |
592 | ||
593 | /* Check only the non-wild match. */ | |
594 | if (INET_PROTOSW_PERMANENT & answer->flags) { | |
595 | if (protocol == answer->protocol) | |
596 | break; | |
597 | last_perm = lh; | |
598 | } | |
599 | ||
600 | answer = NULL; | |
601 | } | |
602 | if (answer) | |
603 | goto out_permanent; | |
604 | ||
605 | /* Add the new entry after the last permanent entry if any, so that | |
606 | * the new entry does not override a permanent entry when matched with | |
607 | * a wild-card protocol. But it is allowed to override any existing | |
1ab1457c | 608 | * non-permanent entry. This means that when we remove this entry, the |
1da177e4 LT |
609 | * system automatically returns to the old behavior. |
610 | */ | |
611 | list_add_rcu(&p->list, last_perm); | |
87c3efbf | 612 | ret = 0; |
1da177e4 LT |
613 | out: |
614 | spin_unlock_bh(&inetsw6_lock); | |
87c3efbf | 615 | return ret; |
1da177e4 LT |
616 | |
617 | out_permanent: | |
f3213831 | 618 | pr_err("Attempt to override permanent protocol %d\n", protocol); |
1da177e4 LT |
619 | goto out; |
620 | ||
621 | out_illegal: | |
f3213831 | 622 | pr_err("Ignoring attempt to register invalid socket type %d\n", |
1da177e4 LT |
623 | p->type); |
624 | goto out; | |
625 | } | |
7159039a YH |
626 | EXPORT_SYMBOL(inet6_register_protosw); |
627 | ||
1da177e4 LT |
628 | void |
629 | inet6_unregister_protosw(struct inet_protosw *p) | |
630 | { | |
631 | if (INET_PROTOSW_PERMANENT & p->flags) { | |
f3213831 | 632 | pr_err("Attempt to unregister permanent protocol %d\n", |
1da177e4 LT |
633 | p->protocol); |
634 | } else { | |
635 | spin_lock_bh(&inetsw6_lock); | |
636 | list_del_rcu(&p->list); | |
637 | spin_unlock_bh(&inetsw6_lock); | |
638 | ||
639 | synchronize_net(); | |
640 | } | |
641 | } | |
7159039a YH |
642 | EXPORT_SYMBOL(inet6_unregister_protosw); |
643 | ||
b9750ce1 ACM |
644 | int inet6_sk_rebuild_header(struct sock *sk) |
645 | { | |
b9750ce1 | 646 | struct ipv6_pinfo *np = inet6_sk(sk); |
68d0c6d3 | 647 | struct dst_entry *dst; |
b9750ce1 ACM |
648 | |
649 | dst = __sk_dst_check(sk, np->dst_cookie); | |
650 | ||
651 | if (dst == NULL) { | |
652 | struct inet_sock *inet = inet_sk(sk); | |
20c59de2 | 653 | struct in6_addr *final_p, final; |
4c9483b2 DM |
654 | struct flowi6 fl6; |
655 | ||
656 | memset(&fl6, 0, sizeof(fl6)); | |
657 | fl6.flowi6_proto = sk->sk_protocol; | |
4e3fd7a0 AD |
658 | fl6.daddr = np->daddr; |
659 | fl6.saddr = np->saddr; | |
4c9483b2 DM |
660 | fl6.flowlabel = np->flow_label; |
661 | fl6.flowi6_oif = sk->sk_bound_dev_if; | |
662 | fl6.flowi6_mark = sk->sk_mark; | |
1958b856 DM |
663 | fl6.fl6_dport = inet->inet_dport; |
664 | fl6.fl6_sport = inet->inet_sport; | |
4c9483b2 DM |
665 | security_sk_classify_flow(sk, flowi6_to_flowi(&fl6)); |
666 | ||
667 | final_p = fl6_update_dst(&fl6, np->opt, &final); | |
668 | ||
669 | dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false); | |
68d0c6d3 | 670 | if (IS_ERR(dst)) { |
b9750ce1 | 671 | sk->sk_route_caps = 0; |
68d0c6d3 DM |
672 | sk->sk_err_soft = -PTR_ERR(dst); |
673 | return PTR_ERR(dst); | |
b9750ce1 ACM |
674 | } |
675 | ||
8e1ef0a9 | 676 | __ip6_dst_store(sk, dst, NULL, NULL); |
b9750ce1 ACM |
677 | } |
678 | ||
679 | return 0; | |
680 | } | |
b9750ce1 ACM |
681 | EXPORT_SYMBOL_GPL(inet6_sk_rebuild_header); |
682 | ||
92113bfd | 683 | bool ipv6_opt_accepted(const struct sock *sk, const struct sk_buff *skb) |
399c07de | 684 | { |
92113bfd ED |
685 | const struct ipv6_pinfo *np = inet6_sk(sk); |
686 | const struct inet6_skb_parm *opt = IP6CB(skb); | |
399c07de ACM |
687 | |
688 | if (np->rxopt.all) { | |
689 | if ((opt->hop && (np->rxopt.bits.hopopts || | |
690 | np->rxopt.bits.ohopopts)) || | |
d56f90a7 ACM |
691 | ((IPV6_FLOWINFO_MASK & |
692 | *(__be32 *)skb_network_header(skb)) && | |
399c07de ACM |
693 | np->rxopt.bits.rxflow) || |
694 | (opt->srcrt && (np->rxopt.bits.srcrt || | |
695 | np->rxopt.bits.osrcrt)) || | |
696 | ((opt->dst1 || opt->dst0) && | |
697 | (np->rxopt.bits.dstopts || np->rxopt.bits.odstopts))) | |
92113bfd | 698 | return true; |
399c07de | 699 | } |
92113bfd | 700 | return false; |
399c07de | 701 | } |
399c07de ACM |
702 | EXPORT_SYMBOL_GPL(ipv6_opt_accepted); |
703 | ||
7546dd97 | 704 | static struct packet_type ipv6_packet_type __read_mostly = { |
09640e63 | 705 | .type = cpu_to_be16(ETH_P_IPV6), |
662397fd | 706 | .func = ipv6_rcv, |
22061d80 VY |
707 | }; |
708 | ||
662397fd YH |
709 | static int __init ipv6_packet_init(void) |
710 | { | |
711 | dev_add_pack(&ipv6_packet_type); | |
712 | return 0; | |
713 | } | |
714 | ||
715 | static void ipv6_packet_cleanup(void) | |
716 | { | |
717 | dev_remove_pack(&ipv6_packet_type); | |
718 | } | |
719 | ||
e43291cb DL |
720 | static int __net_init ipv6_init_mibs(struct net *net) |
721 | { | |
7d720c3e | 722 | if (snmp_mib_init((void __percpu **)net->mib.udp_stats_in6, |
1823e4c8 ED |
723 | sizeof(struct udp_mib), |
724 | __alignof__(struct udp_mib)) < 0) | |
0c7ed677 | 725 | return -ENOMEM; |
7d720c3e | 726 | if (snmp_mib_init((void __percpu **)net->mib.udplite_stats_in6, |
1823e4c8 ED |
727 | sizeof(struct udp_mib), |
728 | __alignof__(struct udp_mib)) < 0) | |
be713a44 | 729 | goto err_udplite_mib; |
7d720c3e | 730 | if (snmp_mib_init((void __percpu **)net->mib.ipv6_statistics, |
1823e4c8 ED |
731 | sizeof(struct ipstats_mib), |
732 | __alignof__(struct ipstats_mib)) < 0) | |
9261e537 | 733 | goto err_ip_mib; |
7d720c3e | 734 | if (snmp_mib_init((void __percpu **)net->mib.icmpv6_statistics, |
1823e4c8 ED |
735 | sizeof(struct icmpv6_mib), |
736 | __alignof__(struct icmpv6_mib)) < 0) | |
9261e537 | 737 | goto err_icmp_mib; |
2a24444f ED |
738 | net->mib.icmpv6msg_statistics = kzalloc(sizeof(struct icmpv6msg_mib), |
739 | GFP_KERNEL); | |
740 | if (!net->mib.icmpv6msg_statistics) | |
9261e537 | 741 | goto err_icmpmsg_mib; |
e43291cb | 742 | return 0; |
be713a44 | 743 | |
9261e537 | 744 | err_icmpmsg_mib: |
7d720c3e | 745 | snmp_mib_free((void __percpu **)net->mib.icmpv6_statistics); |
9261e537 | 746 | err_icmp_mib: |
7d720c3e | 747 | snmp_mib_free((void __percpu **)net->mib.ipv6_statistics); |
9261e537 | 748 | err_ip_mib: |
7d720c3e | 749 | snmp_mib_free((void __percpu **)net->mib.udplite_stats_in6); |
be713a44 | 750 | err_udplite_mib: |
7d720c3e | 751 | snmp_mib_free((void __percpu **)net->mib.udp_stats_in6); |
be713a44 | 752 | return -ENOMEM; |
e43291cb DL |
753 | } |
754 | ||
2c8c1e72 | 755 | static void ipv6_cleanup_mibs(struct net *net) |
e43291cb | 756 | { |
7d720c3e TH |
757 | snmp_mib_free((void __percpu **)net->mib.udp_stats_in6); |
758 | snmp_mib_free((void __percpu **)net->mib.udplite_stats_in6); | |
759 | snmp_mib_free((void __percpu **)net->mib.ipv6_statistics); | |
760 | snmp_mib_free((void __percpu **)net->mib.icmpv6_statistics); | |
2a24444f | 761 | kfree(net->mib.icmpv6msg_statistics); |
e43291cb DL |
762 | } |
763 | ||
e7dc8494 | 764 | static int __net_init inet6_net_init(struct net *net) |
81c1c178 | 765 | { |
0c96d8c5 DL |
766 | int err = 0; |
767 | ||
99bc9c4e | 768 | net->ipv6.sysctl.bindv6only = 0; |
41a76906 | 769 | net->ipv6.sysctl.icmpv6_time = 1*HZ; |
ca4c3fc2 | 770 | atomic_set(&net->ipv6.rt_genid, 0); |
e71e0349 | 771 | |
e43291cb DL |
772 | err = ipv6_init_mibs(net); |
773 | if (err) | |
774 | return err; | |
0c96d8c5 DL |
775 | #ifdef CONFIG_PROC_FS |
776 | err = udp6_proc_init(net); | |
777 | if (err) | |
778 | goto out; | |
6f8b13bc DL |
779 | err = tcp6_proc_init(net); |
780 | if (err) | |
781 | goto proc_tcp6_fail; | |
6ab57e7e DL |
782 | err = ac6_proc_init(net); |
783 | if (err) | |
784 | goto proc_ac6_fail; | |
0c96d8c5 DL |
785 | #endif |
786 | return err; | |
6f8b13bc DL |
787 | |
788 | #ifdef CONFIG_PROC_FS | |
6ab57e7e DL |
789 | proc_ac6_fail: |
790 | tcp6_proc_exit(net); | |
6f8b13bc DL |
791 | proc_tcp6_fail: |
792 | udp6_proc_exit(net); | |
e43291cb DL |
793 | out: |
794 | ipv6_cleanup_mibs(net); | |
795 | return err; | |
6f8b13bc | 796 | #endif |
81c1c178 DL |
797 | } |
798 | ||
2c8c1e72 | 799 | static void __net_exit inet6_net_exit(struct net *net) |
81c1c178 | 800 | { |
0c96d8c5 DL |
801 | #ifdef CONFIG_PROC_FS |
802 | udp6_proc_exit(net); | |
6f8b13bc | 803 | tcp6_proc_exit(net); |
6ab57e7e | 804 | ac6_proc_exit(net); |
0c96d8c5 | 805 | #endif |
e43291cb | 806 | ipv6_cleanup_mibs(net); |
81c1c178 DL |
807 | } |
808 | ||
809 | static struct pernet_operations inet6_net_ops = { | |
810 | .init = inet6_net_init, | |
811 | .exit = inet6_net_exit, | |
812 | }; | |
813 | ||
5f81bd2e CW |
814 | static const struct ipv6_stub ipv6_stub_impl = { |
815 | .ipv6_sock_mc_join = ipv6_sock_mc_join, | |
816 | .ipv6_sock_mc_drop = ipv6_sock_mc_drop, | |
817 | .ipv6_dst_lookup = ip6_dst_lookup, | |
818 | .udpv6_encap_enable = udpv6_encap_enable, | |
f564f45c | 819 | .ndisc_send_na = ndisc_send_na, |
e15a00aa | 820 | .nd_tbl = &nd_tbl, |
5f81bd2e CW |
821 | }; |
822 | ||
1da177e4 LT |
823 | static int __init inet6_init(void) |
824 | { | |
1ab1457c | 825 | struct list_head *r; |
fe7ca2e1 | 826 | int err = 0; |
1da177e4 | 827 | |
ba96bcbc | 828 | BUILD_BUG_ON(sizeof(struct inet6_skb_parm) > FIELD_SIZEOF(struct sk_buff, cb)); |
ef047f5e | 829 | |
fe7ca2e1 | 830 | /* Register the socket-side information for inet6_create. */ |
647c0c70 | 831 | for (r = &inetsw6[0]; r < &inetsw6[SOCK_MAX]; ++r) |
fe7ca2e1 BH |
832 | INIT_LIST_HEAD(r); |
833 | ||
56d417b1 | 834 | if (disable_ipv6_mod) { |
f3213831 | 835 | pr_info("Loaded, but administratively disabled, reboot required to enable\n"); |
fe7ca2e1 BH |
836 | goto out; |
837 | } | |
838 | ||
1da177e4 LT |
839 | err = proto_register(&tcpv6_prot, 1); |
840 | if (err) | |
841 | goto out; | |
842 | ||
843 | err = proto_register(&udpv6_prot, 1); | |
844 | if (err) | |
845 | goto out_unregister_tcp_proto; | |
846 | ||
ba4e58ec | 847 | err = proto_register(&udplitev6_prot, 1); |
1da177e4 LT |
848 | if (err) |
849 | goto out_unregister_udp_proto; | |
850 | ||
ba4e58ec GR |
851 | err = proto_register(&rawv6_prot, 1); |
852 | if (err) | |
853 | goto out_unregister_udplite_proto; | |
854 | ||
6d0bfe22 LC |
855 | err = proto_register(&pingv6_prot, 1); |
856 | if (err) | |
857 | goto out_unregister_ping_proto; | |
1da177e4 | 858 | |
1da177e4 LT |
859 | /* We MUST register RAW sockets before we create the ICMP6, |
860 | * IGMP6, or NDISC control sockets. | |
861 | */ | |
7f4e4868 DL |
862 | err = rawv6_init(); |
863 | if (err) | |
864 | goto out_unregister_raw_proto; | |
1da177e4 LT |
865 | |
866 | /* Register the family here so that the init calls below will | |
867 | * be able to create sockets. (?? is this dangerous ??) | |
868 | */ | |
8eb55910 DM |
869 | err = sock_register(&inet6_family_ops); |
870 | if (err) | |
7f4e4868 | 871 | goto out_sock_register_fail; |
1da177e4 | 872 | |
3dc43e3e GC |
873 | tcpv6_prot.sysctl_mem = init_net.ipv4.sysctl_tcp_mem; |
874 | ||
1da177e4 LT |
875 | /* |
876 | * ipngwg API draft makes clear that the correct semantics | |
877 | * for TCP and UDP is to consider one TCP and UDP instance | |
25985edc | 878 | * in a host available by both INET and INET6 APIs and |
1da177e4 LT |
879 | * able to communicate via both network protocols. |
880 | */ | |
881 | ||
81c1c178 DL |
882 | err = register_pernet_subsys(&inet6_net_ops); |
883 | if (err) | |
884 | goto register_pernet_fail; | |
9b0f976f | 885 | err = icmpv6_init(); |
1da177e4 LT |
886 | if (err) |
887 | goto icmp_fail; | |
623d1a1a WC |
888 | err = ip6_mr_init(); |
889 | if (err) | |
890 | goto ipmr_fail; | |
9b0f976f | 891 | err = ndisc_init(); |
1da177e4 LT |
892 | if (err) |
893 | goto ndisc_fail; | |
9b0f976f | 894 | err = igmp6_init(); |
1da177e4 LT |
895 | if (err) |
896 | goto igmp_fail; | |
5f81bd2e CW |
897 | |
898 | ipv6_stub = &ipv6_stub_impl; | |
899 | ||
2cc7d573 HW |
900 | err = ipv6_netfilter_init(); |
901 | if (err) | |
902 | goto netfilter_fail; | |
1da177e4 LT |
903 | /* Create /proc/foo6 entries. */ |
904 | #ifdef CONFIG_PROC_FS | |
905 | err = -ENOMEM; | |
906 | if (raw6_proc_init()) | |
907 | goto proc_raw6_fail; | |
ba4e58ec GR |
908 | if (udplite6_proc_init()) |
909 | goto proc_udplite6_fail; | |
1da177e4 LT |
910 | if (ipv6_misc_proc_init()) |
911 | goto proc_misc6_fail; | |
1da177e4 LT |
912 | if (if6_proc_init()) |
913 | goto proc_if6_fail; | |
914 | #endif | |
e2fddf5e DL |
915 | err = ip6_route_init(); |
916 | if (err) | |
917 | goto ip6_route_fail; | |
2c861cc6 MK |
918 | err = ndisc_late_init(); |
919 | if (err) | |
920 | goto ndisc_late_fail; | |
0a3e78ac DL |
921 | err = ip6_flowlabel_init(); |
922 | if (err) | |
923 | goto ip6_flowlabel_fail; | |
1da177e4 LT |
924 | err = addrconf_init(); |
925 | if (err) | |
926 | goto addrconf_fail; | |
1da177e4 LT |
927 | |
928 | /* Init v6 extension headers. */ | |
248b238d DL |
929 | err = ipv6_exthdrs_init(); |
930 | if (err) | |
931 | goto ipv6_exthdrs_fail; | |
932 | ||
853cbbaa DL |
933 | err = ipv6_frag_init(); |
934 | if (err) | |
935 | goto ipv6_frag_fail; | |
1da177e4 LT |
936 | |
937 | /* Init v6 transport protocols. */ | |
7f4e4868 DL |
938 | err = udpv6_init(); |
939 | if (err) | |
940 | goto udpv6_fail; | |
e2ed4052 | 941 | |
7f4e4868 DL |
942 | err = udplitev6_init(); |
943 | if (err) | |
944 | goto udplitev6_fail; | |
945 | ||
946 | err = tcpv6_init(); | |
947 | if (err) | |
948 | goto tcpv6_fail; | |
949 | ||
950 | err = ipv6_packet_init(); | |
951 | if (err) | |
952 | goto ipv6_packet_fail; | |
94911fe3 | 953 | |
6d0bfe22 LC |
954 | err = pingv6_init(); |
955 | if (err) | |
956 | goto pingv6_fail; | |
957 | ||
94911fe3 BT |
958 | #ifdef CONFIG_SYSCTL |
959 | err = ipv6_sysctl_register(); | |
960 | if (err) | |
961 | goto sysctl_fail; | |
962 | #endif | |
1da177e4 LT |
963 | out: |
964 | return err; | |
965 | ||
94911fe3 BT |
966 | #ifdef CONFIG_SYSCTL |
967 | sysctl_fail: | |
968 | ipv6_packet_cleanup(); | |
969 | #endif | |
6d0bfe22 LC |
970 | pingv6_fail: |
971 | pingv6_exit(); | |
7f4e4868 DL |
972 | ipv6_packet_fail: |
973 | tcpv6_exit(); | |
974 | tcpv6_fail: | |
975 | udplitev6_exit(); | |
976 | udplitev6_fail: | |
977 | udpv6_exit(); | |
978 | udpv6_fail: | |
979 | ipv6_frag_exit(); | |
853cbbaa DL |
980 | ipv6_frag_fail: |
981 | ipv6_exthdrs_exit(); | |
248b238d DL |
982 | ipv6_exthdrs_fail: |
983 | addrconf_cleanup(); | |
1da177e4 LT |
984 | addrconf_fail: |
985 | ip6_flowlabel_cleanup(); | |
0a3e78ac | 986 | ip6_flowlabel_fail: |
2c861cc6 MK |
987 | ndisc_late_cleanup(); |
988 | ndisc_late_fail: | |
1da177e4 | 989 | ip6_route_cleanup(); |
e2fddf5e | 990 | ip6_route_fail: |
1da177e4 LT |
991 | #ifdef CONFIG_PROC_FS |
992 | if6_proc_exit(); | |
993 | proc_if6_fail: | |
1da177e4 LT |
994 | ipv6_misc_proc_exit(); |
995 | proc_misc6_fail: | |
ba4e58ec GR |
996 | udplite6_proc_exit(); |
997 | proc_udplite6_fail: | |
1da177e4 LT |
998 | raw6_proc_exit(); |
999 | proc_raw6_fail: | |
1000 | #endif | |
2cc7d573 HW |
1001 | ipv6_netfilter_fini(); |
1002 | netfilter_fail: | |
1da177e4 LT |
1003 | igmp6_cleanup(); |
1004 | igmp_fail: | |
1005 | ndisc_cleanup(); | |
1006 | ndisc_fail: | |
623d1a1a WC |
1007 | ip6_mr_cleanup(); |
1008 | ipmr_fail: | |
1da177e4 LT |
1009 | icmpv6_cleanup(); |
1010 | icmp_fail: | |
81c1c178 DL |
1011 | unregister_pernet_subsys(&inet6_net_ops); |
1012 | register_pernet_fail: | |
8eb55910 | 1013 | sock_unregister(PF_INET6); |
e2fddf5e | 1014 | rtnl_unregister_all(PF_INET6); |
7f4e4868 DL |
1015 | out_sock_register_fail: |
1016 | rawv6_exit(); | |
6d0bfe22 LC |
1017 | out_unregister_ping_proto: |
1018 | proto_unregister(&pingv6_prot); | |
1da177e4 LT |
1019 | out_unregister_raw_proto: |
1020 | proto_unregister(&rawv6_prot); | |
ba4e58ec GR |
1021 | out_unregister_udplite_proto: |
1022 | proto_unregister(&udplitev6_prot); | |
1da177e4 LT |
1023 | out_unregister_udp_proto: |
1024 | proto_unregister(&udpv6_prot); | |
1025 | out_unregister_tcp_proto: | |
1026 | proto_unregister(&tcpv6_prot); | |
1027 | goto out; | |
1028 | } | |
1029 | module_init(inet6_init); | |
1030 | ||
1da177e4 | 1031 | MODULE_ALIAS_NETPROTO(PF_INET6); |