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1 | /* |
2 | * IPv6 Address Label subsystem |
3 | * for the IPv6 "Default" Source Address Selection |
4 | * |
5 | * Copyright (C)2007 USAGI/WIDE Project |
6 | */ |
7 | /* |
8 | * Author: |
9 | * YOSHIFUJI Hideaki @ USAGI/WIDE Project <yoshfuji@linux-ipv6.org> |
10 | */ |
11 | |
12 | #include <linux/kernel.h> |
13 | #include <linux/list.h> |
14 | #include <linux/rcupdate.h> |
15 | #include <linux/in6.h> |
16 | #include <linux/slab.h> |
17 | #include <net/addrconf.h> |
18 | #include <linux/if_addrlabel.h> |
19 | #include <linux/netlink.h> |
20 | #include <linux/rtnetlink.h> |
21 | |
22 | #if 0 |
23 | #define ADDRLABEL(x...) printk(x) |
24 | #else |
25 | #define ADDRLABEL(x...) do { ; } while(0) |
26 | #endif |
27 | |
28 | /* |
29 | * Policy Table |
30 | */ |
31 | struct ip6addrlbl_entry |
32 | { |
33 | #ifdef CONFIG_NET_NS |
34 | struct net *lbl_net; |
35 | #endif |
36 | struct in6_addr prefix; |
37 | int prefixlen; |
38 | int ifindex; |
39 | int addrtype; |
40 | u32 label; |
41 | struct hlist_node list; |
42 | atomic_t refcnt; |
43 | struct rcu_head rcu; |
44 | }; |
45 | |
46 | static struct ip6addrlbl_table |
47 | { |
48 | struct hlist_head head; |
49 | spinlock_t lock; |
50 | u32 seq; |
51 | } ip6addrlbl_table; |
52 | |
53 | static inline |
54 | struct net *ip6addrlbl_net(const struct ip6addrlbl_entry *lbl) |
55 | { |
56 | return read_pnet(&lbl->lbl_net); |
57 | } |
58 | |
59 | /* |
60 | * Default policy table (RFC6724 + extensions) |
61 | * |
62 | * prefix addr_type label |
63 | * ------------------------------------------------------------------------- |
64 | * ::1/128 LOOPBACK 0 |
65 | * ::/0 N/A 1 |
66 | * 2002::/16 N/A 2 |
67 | * ::/96 COMPATv4 3 |
68 | * ::ffff:0:0/96 V4MAPPED 4 |
69 | * fc00::/7 N/A 5 ULA (RFC 4193) |
70 | * 2001::/32 N/A 6 Teredo (RFC 4380) |
71 | * 2001:10::/28 N/A 7 ORCHID (RFC 4843) |
72 | * fec0::/10 N/A 11 Site-local |
73 | * (deprecated by RFC3879) |
74 | * 3ffe::/16 N/A 12 6bone |
75 | * |
76 | * Note: 0xffffffff is used if we do not have any policies. |
77 | * Note: Labels for ULA and 6to4 are different from labels listed in RFC6724. |
78 | */ |
79 | |
80 | #define IPV6_ADDR_LABEL_DEFAULT 0xffffffffUL |
81 | |
82 | static const __net_initconst struct ip6addrlbl_init_table |
83 | { |
84 | const struct in6_addr *prefix; |
85 | int prefixlen; |
86 | u32 label; |
87 | } ip6addrlbl_init_table[] = { |
88 | { /* ::/0 */ |
89 | .prefix = &in6addr_any, |
90 | .label = 1, |
91 | },{ /* fc00::/7 */ |
92 | .prefix = &(struct in6_addr){{{ 0xfc }}}, |
93 | .prefixlen = 7, |
94 | .label = 5, |
95 | },{ /* fec0::/10 */ |
96 | .prefix = &(struct in6_addr){{{ 0xfe, 0xc0 }}}, |
97 | .prefixlen = 10, |
98 | .label = 11, |
99 | },{ /* 2002::/16 */ |
100 | .prefix = &(struct in6_addr){{{ 0x20, 0x02 }}}, |
101 | .prefixlen = 16, |
102 | .label = 2, |
103 | },{ /* 3ffe::/16 */ |
104 | .prefix = &(struct in6_addr){{{ 0x3f, 0xfe }}}, |
105 | .prefixlen = 16, |
106 | .label = 12, |
107 | },{ /* 2001::/32 */ |
108 | .prefix = &(struct in6_addr){{{ 0x20, 0x01 }}}, |
109 | .prefixlen = 32, |
110 | .label = 6, |
111 | },{ /* 2001:10::/28 */ |
112 | .prefix = &(struct in6_addr){{{ 0x20, 0x01, 0x00, 0x10 }}}, |
113 | .prefixlen = 28, |
114 | .label = 7, |
115 | },{ /* ::ffff:0:0 */ |
116 | .prefix = &(struct in6_addr){{{ [10] = 0xff, [11] = 0xff }}}, |
117 | .prefixlen = 96, |
118 | .label = 4, |
119 | },{ /* ::/96 */ |
120 | .prefix = &in6addr_any, |
121 | .prefixlen = 96, |
122 | .label = 3, |
123 | },{ /* ::1/128 */ |
124 | .prefix = &in6addr_loopback, |
125 | .prefixlen = 128, |
126 | .label = 0, |
127 | } |
128 | }; |
129 | |
130 | /* Object management */ |
131 | static inline void ip6addrlbl_free(struct ip6addrlbl_entry *p) |
132 | { |
133 | #ifdef CONFIG_NET_NS |
134 | release_net(p->lbl_net); |
135 | #endif |
136 | kfree(p); |
137 | } |
138 | |
139 | static void ip6addrlbl_free_rcu(struct rcu_head *h) |
140 | { |
141 | ip6addrlbl_free(container_of(h, struct ip6addrlbl_entry, rcu)); |
142 | } |
143 | |
144 | static bool ip6addrlbl_hold(struct ip6addrlbl_entry *p) |
145 | { |
146 | return atomic_inc_not_zero(&p->refcnt); |
147 | } |
148 | |
149 | static inline void ip6addrlbl_put(struct ip6addrlbl_entry *p) |
150 | { |
151 | if (atomic_dec_and_test(&p->refcnt)) |
152 | call_rcu(&p->rcu, ip6addrlbl_free_rcu); |
153 | } |
154 | |
155 | /* Find label */ |
156 | static bool __ip6addrlbl_match(struct net *net, |
157 | const struct ip6addrlbl_entry *p, |
158 | const struct in6_addr *addr, |
159 | int addrtype, int ifindex) |
160 | { |
161 | if (!net_eq(ip6addrlbl_net(p), net)) |
162 | return false; |
163 | if (p->ifindex && p->ifindex != ifindex) |
164 | return false; |
165 | if (p->addrtype && p->addrtype != addrtype) |
166 | return false; |
167 | if (!ipv6_prefix_equal(addr, &p->prefix, p->prefixlen)) |
168 | return false; |
169 | return true; |
170 | } |
171 | |
172 | static struct ip6addrlbl_entry *__ipv6_addr_label(struct net *net, |
173 | const struct in6_addr *addr, |
174 | int type, int ifindex) |
175 | { |
176 | struct ip6addrlbl_entry *p; |
177 | hlist_for_each_entry_rcu(p, &ip6addrlbl_table.head, list) { |
178 | if (__ip6addrlbl_match(net, p, addr, type, ifindex)) |
179 | return p; |
180 | } |
181 | return NULL; |
182 | } |
183 | |
184 | u32 ipv6_addr_label(struct net *net, |
185 | const struct in6_addr *addr, int type, int ifindex) |
186 | { |
187 | u32 label; |
188 | struct ip6addrlbl_entry *p; |
189 | |
190 | type &= IPV6_ADDR_MAPPED | IPV6_ADDR_COMPATv4 | IPV6_ADDR_LOOPBACK; |
191 | |
192 | rcu_read_lock(); |
193 | p = __ipv6_addr_label(net, addr, type, ifindex); |
194 | label = p ? p->label : IPV6_ADDR_LABEL_DEFAULT; |
195 | rcu_read_unlock(); |
196 | |
197 | ADDRLABEL(KERN_DEBUG "%s(addr=%pI6, type=%d, ifindex=%d) => %08x\n", |
198 | __func__, addr, type, ifindex, label); |
199 | |
200 | return label; |
201 | } |
202 | |
203 | /* allocate one entry */ |
204 | static struct ip6addrlbl_entry *ip6addrlbl_alloc(struct net *net, |
205 | const struct in6_addr *prefix, |
206 | int prefixlen, int ifindex, |
207 | u32 label) |
208 | { |
209 | struct ip6addrlbl_entry *newp; |
210 | int addrtype; |
211 | |
212 | ADDRLABEL(KERN_DEBUG "%s(prefix=%pI6, prefixlen=%d, ifindex=%d, label=%u)\n", |
213 | __func__, prefix, prefixlen, ifindex, (unsigned int)label); |
214 | |
215 | addrtype = ipv6_addr_type(prefix) & (IPV6_ADDR_MAPPED | IPV6_ADDR_COMPATv4 | IPV6_ADDR_LOOPBACK); |
216 | |
217 | switch (addrtype) { |
218 | case IPV6_ADDR_MAPPED: |
219 | if (prefixlen > 96) |
220 | return ERR_PTR(-EINVAL); |
221 | if (prefixlen < 96) |
222 | addrtype = 0; |
223 | break; |
224 | case IPV6_ADDR_COMPATv4: |
225 | if (prefixlen != 96) |
226 | addrtype = 0; |
227 | break; |
228 | case IPV6_ADDR_LOOPBACK: |
229 | if (prefixlen != 128) |
230 | addrtype = 0; |
231 | break; |
232 | } |
233 | |
234 | newp = kmalloc(sizeof(*newp), GFP_KERNEL); |
235 | if (!newp) |
236 | return ERR_PTR(-ENOMEM); |
237 | |
238 | ipv6_addr_prefix(&newp->prefix, prefix, prefixlen); |
239 | newp->prefixlen = prefixlen; |
240 | newp->ifindex = ifindex; |
241 | newp->addrtype = addrtype; |
242 | newp->label = label; |
243 | INIT_HLIST_NODE(&newp->list); |
244 | #ifdef CONFIG_NET_NS |
245 | newp->lbl_net = hold_net(net); |
246 | #endif |
247 | atomic_set(&newp->refcnt, 1); |
248 | return newp; |
249 | } |
250 | |
251 | /* add a label */ |
252 | static int __ip6addrlbl_add(struct ip6addrlbl_entry *newp, int replace) |
253 | { |
254 | struct hlist_node *n; |
255 | struct ip6addrlbl_entry *last = NULL, *p = NULL; |
256 | int ret = 0; |
257 | |
258 | ADDRLABEL(KERN_DEBUG "%s(newp=%p, replace=%d)\n", __func__, newp, |
259 | replace); |
260 | |
261 | hlist_for_each_entry_safe(p, n, &ip6addrlbl_table.head, list) { |
262 | if (p->prefixlen == newp->prefixlen && |
263 | net_eq(ip6addrlbl_net(p), ip6addrlbl_net(newp)) && |
264 | p->ifindex == newp->ifindex && |
265 | ipv6_addr_equal(&p->prefix, &newp->prefix)) { |
266 | if (!replace) { |
267 | ret = -EEXIST; |
268 | goto out; |
269 | } |
270 | hlist_replace_rcu(&p->list, &newp->list); |
271 | ip6addrlbl_put(p); |
272 | goto out; |
273 | } else if ((p->prefixlen == newp->prefixlen && !p->ifindex) || |
274 | (p->prefixlen < newp->prefixlen)) { |
275 | hlist_add_before_rcu(&newp->list, &p->list); |
276 | goto out; |
277 | } |
278 | last = p; |
279 | } |
280 | if (last) |
281 | hlist_add_after_rcu(&last->list, &newp->list); |
282 | else |
283 | hlist_add_head_rcu(&newp->list, &ip6addrlbl_table.head); |
284 | out: |
285 | if (!ret) |
286 | ip6addrlbl_table.seq++; |
287 | return ret; |
288 | } |
289 | |
290 | /* add a label */ |
291 | static int ip6addrlbl_add(struct net *net, |
292 | const struct in6_addr *prefix, int prefixlen, |
293 | int ifindex, u32 label, int replace) |
294 | { |
295 | struct ip6addrlbl_entry *newp; |
296 | int ret = 0; |
297 | |
298 | ADDRLABEL(KERN_DEBUG "%s(prefix=%pI6, prefixlen=%d, ifindex=%d, label=%u, replace=%d)\n", |
299 | __func__, prefix, prefixlen, ifindex, (unsigned int)label, |
300 | replace); |
301 | |
302 | newp = ip6addrlbl_alloc(net, prefix, prefixlen, ifindex, label); |
303 | if (IS_ERR(newp)) |
304 | return PTR_ERR(newp); |
305 | spin_lock(&ip6addrlbl_table.lock); |
306 | ret = __ip6addrlbl_add(newp, replace); |
307 | spin_unlock(&ip6addrlbl_table.lock); |
308 | if (ret) |
309 | ip6addrlbl_free(newp); |
310 | return ret; |
311 | } |
312 | |
313 | /* remove a label */ |
314 | static int __ip6addrlbl_del(struct net *net, |
315 | const struct in6_addr *prefix, int prefixlen, |
316 | int ifindex) |
317 | { |
318 | struct ip6addrlbl_entry *p = NULL; |
319 | struct hlist_node *n; |
320 | int ret = -ESRCH; |
321 | |
322 | ADDRLABEL(KERN_DEBUG "%s(prefix=%pI6, prefixlen=%d, ifindex=%d)\n", |
323 | __func__, prefix, prefixlen, ifindex); |
324 | |
325 | hlist_for_each_entry_safe(p, n, &ip6addrlbl_table.head, list) { |
326 | if (p->prefixlen == prefixlen && |
327 | net_eq(ip6addrlbl_net(p), net) && |
328 | p->ifindex == ifindex && |
329 | ipv6_addr_equal(&p->prefix, prefix)) { |
330 | hlist_del_rcu(&p->list); |
331 | ip6addrlbl_put(p); |
332 | ret = 0; |
333 | break; |
334 | } |
335 | } |
336 | return ret; |
337 | } |
338 | |
339 | static int ip6addrlbl_del(struct net *net, |
340 | const struct in6_addr *prefix, int prefixlen, |
341 | int ifindex) |
342 | { |
343 | struct in6_addr prefix_buf; |
344 | int ret; |
345 | |
346 | ADDRLABEL(KERN_DEBUG "%s(prefix=%pI6, prefixlen=%d, ifindex=%d)\n", |
347 | __func__, prefix, prefixlen, ifindex); |
348 | |
349 | ipv6_addr_prefix(&prefix_buf, prefix, prefixlen); |
350 | spin_lock(&ip6addrlbl_table.lock); |
351 | ret = __ip6addrlbl_del(net, &prefix_buf, prefixlen, ifindex); |
352 | spin_unlock(&ip6addrlbl_table.lock); |
353 | return ret; |
354 | } |
355 | |
356 | /* add default label */ |
357 | static int __net_init ip6addrlbl_net_init(struct net *net) |
358 | { |
359 | int err = 0; |
360 | int i; |
361 | |
362 | ADDRLABEL(KERN_DEBUG "%s\n", __func__); |
363 | |
364 | for (i = 0; i < ARRAY_SIZE(ip6addrlbl_init_table); i++) { |
365 | int ret = ip6addrlbl_add(net, |
366 | ip6addrlbl_init_table[i].prefix, |
367 | ip6addrlbl_init_table[i].prefixlen, |
368 | 0, |
369 | ip6addrlbl_init_table[i].label, 0); |
370 | /* XXX: should we free all rules when we catch an error? */ |
371 | if (ret && (!err || err != -ENOMEM)) |
372 | err = ret; |
373 | } |
374 | return err; |
375 | } |
376 | |
377 | static void __net_exit ip6addrlbl_net_exit(struct net *net) |
378 | { |
379 | struct ip6addrlbl_entry *p = NULL; |
380 | struct hlist_node *n; |
381 | |
382 | /* Remove all labels belonging to the exiting net */ |
383 | spin_lock(&ip6addrlbl_table.lock); |
384 | hlist_for_each_entry_safe(p, n, &ip6addrlbl_table.head, list) { |
385 | if (net_eq(ip6addrlbl_net(p), net)) { |
386 | hlist_del_rcu(&p->list); |
387 | ip6addrlbl_put(p); |
388 | } |
389 | } |
390 | spin_unlock(&ip6addrlbl_table.lock); |
391 | } |
392 | |
393 | static struct pernet_operations ipv6_addr_label_ops = { |
394 | .init = ip6addrlbl_net_init, |
395 | .exit = ip6addrlbl_net_exit, |
396 | }; |
397 | |
398 | int __init ipv6_addr_label_init(void) |
399 | { |
400 | spin_lock_init(&ip6addrlbl_table.lock); |
401 | |
402 | return register_pernet_subsys(&ipv6_addr_label_ops); |
403 | } |
404 | |
405 | void ipv6_addr_label_cleanup(void) |
406 | { |
407 | unregister_pernet_subsys(&ipv6_addr_label_ops); |
408 | } |
409 | |
410 | static const struct nla_policy ifal_policy[IFAL_MAX+1] = { |
411 | [IFAL_ADDRESS] = { .len = sizeof(struct in6_addr), }, |
412 | [IFAL_LABEL] = { .len = sizeof(u32), }, |
413 | }; |
414 | |
415 | static int ip6addrlbl_newdel(struct sk_buff *skb, struct nlmsghdr *nlh) |
416 | { |
417 | struct net *net = sock_net(skb->sk); |
418 | struct ifaddrlblmsg *ifal; |
419 | struct nlattr *tb[IFAL_MAX+1]; |
420 | struct in6_addr *pfx; |
421 | u32 label; |
422 | int err = 0; |
423 | |
424 | err = nlmsg_parse(nlh, sizeof(*ifal), tb, IFAL_MAX, ifal_policy); |
425 | if (err < 0) |
426 | return err; |
427 | |
428 | ifal = nlmsg_data(nlh); |
429 | |
430 | if (ifal->ifal_family != AF_INET6 || |
431 | ifal->ifal_prefixlen > 128) |
432 | return -EINVAL; |
433 | |
434 | if (!tb[IFAL_ADDRESS]) |
435 | return -EINVAL; |
436 | pfx = nla_data(tb[IFAL_ADDRESS]); |
437 | |
438 | if (!tb[IFAL_LABEL]) |
439 | return -EINVAL; |
440 | label = nla_get_u32(tb[IFAL_LABEL]); |
441 | if (label == IPV6_ADDR_LABEL_DEFAULT) |
442 | return -EINVAL; |
443 | |
444 | switch(nlh->nlmsg_type) { |
445 | case RTM_NEWADDRLABEL: |
446 | if (ifal->ifal_index && |
447 | !__dev_get_by_index(net, ifal->ifal_index)) |
448 | return -EINVAL; |
449 | |
450 | err = ip6addrlbl_add(net, pfx, ifal->ifal_prefixlen, |
451 | ifal->ifal_index, label, |
452 | nlh->nlmsg_flags & NLM_F_REPLACE); |
453 | break; |
454 | case RTM_DELADDRLABEL: |
455 | err = ip6addrlbl_del(net, pfx, ifal->ifal_prefixlen, |
456 | ifal->ifal_index); |
457 | break; |
458 | default: |
459 | err = -EOPNOTSUPP; |
460 | } |
461 | return err; |
462 | } |
463 | |
464 | static void ip6addrlbl_putmsg(struct nlmsghdr *nlh, |
465 | int prefixlen, int ifindex, u32 lseq) |
466 | { |
467 | struct ifaddrlblmsg *ifal = nlmsg_data(nlh); |
468 | ifal->ifal_family = AF_INET6; |
469 | ifal->ifal_prefixlen = prefixlen; |
470 | ifal->ifal_flags = 0; |
471 | ifal->ifal_index = ifindex; |
472 | ifal->ifal_seq = lseq; |
473 | }; |
474 | |
475 | static int ip6addrlbl_fill(struct sk_buff *skb, |
476 | struct ip6addrlbl_entry *p, |
477 | u32 lseq, |
478 | u32 portid, u32 seq, int event, |
479 | unsigned int flags) |
480 | { |
481 | struct nlmsghdr *nlh = nlmsg_put(skb, portid, seq, event, |
482 | sizeof(struct ifaddrlblmsg), flags); |
483 | if (!nlh) |
484 | return -EMSGSIZE; |
485 | |
486 | ip6addrlbl_putmsg(nlh, p->prefixlen, p->ifindex, lseq); |
487 | |
488 | if (nla_put(skb, IFAL_ADDRESS, 16, &p->prefix) < 0 || |
489 | nla_put_u32(skb, IFAL_LABEL, p->label) < 0) { |
490 | nlmsg_cancel(skb, nlh); |
491 | return -EMSGSIZE; |
492 | } |
493 | |
494 | return nlmsg_end(skb, nlh); |
495 | } |
496 | |
497 | static int ip6addrlbl_dump(struct sk_buff *skb, struct netlink_callback *cb) |
498 | { |
499 | struct net *net = sock_net(skb->sk); |
500 | struct ip6addrlbl_entry *p; |
501 | int idx = 0, s_idx = cb->args[0]; |
502 | int err; |
503 | |
504 | rcu_read_lock(); |
505 | hlist_for_each_entry_rcu(p, &ip6addrlbl_table.head, list) { |
506 | if (idx >= s_idx && |
507 | net_eq(ip6addrlbl_net(p), net)) { |
508 | if ((err = ip6addrlbl_fill(skb, p, |
509 | ip6addrlbl_table.seq, |
510 | NETLINK_CB(cb->skb).portid, |
511 | cb->nlh->nlmsg_seq, |
512 | RTM_NEWADDRLABEL, |
513 | NLM_F_MULTI)) <= 0) |
514 | break; |
515 | } |
516 | idx++; |
517 | } |
518 | rcu_read_unlock(); |
519 | cb->args[0] = idx; |
520 | return skb->len; |
521 | } |
522 | |
523 | static inline int ip6addrlbl_msgsize(void) |
524 | { |
525 | return NLMSG_ALIGN(sizeof(struct ifaddrlblmsg)) |
526 | + nla_total_size(16) /* IFAL_ADDRESS */ |
527 | + nla_total_size(4); /* IFAL_LABEL */ |
528 | } |
529 | |
530 | static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh) |
531 | { |
532 | struct net *net = sock_net(in_skb->sk); |
533 | struct ifaddrlblmsg *ifal; |
534 | struct nlattr *tb[IFAL_MAX+1]; |
535 | struct in6_addr *addr; |
536 | u32 lseq; |
537 | int err = 0; |
538 | struct ip6addrlbl_entry *p; |
539 | struct sk_buff *skb; |
540 | |
541 | err = nlmsg_parse(nlh, sizeof(*ifal), tb, IFAL_MAX, ifal_policy); |
542 | if (err < 0) |
543 | return err; |
544 | |
545 | ifal = nlmsg_data(nlh); |
546 | |
547 | if (ifal->ifal_family != AF_INET6 || |
548 | ifal->ifal_prefixlen != 128) |
549 | return -EINVAL; |
550 | |
551 | if (ifal->ifal_index && |
552 | !__dev_get_by_index(net, ifal->ifal_index)) |
553 | return -EINVAL; |
554 | |
555 | if (!tb[IFAL_ADDRESS]) |
556 | return -EINVAL; |
557 | addr = nla_data(tb[IFAL_ADDRESS]); |
558 | |
559 | rcu_read_lock(); |
560 | p = __ipv6_addr_label(net, addr, ipv6_addr_type(addr), ifal->ifal_index); |
561 | if (p && ip6addrlbl_hold(p)) |
562 | p = NULL; |
563 | lseq = ip6addrlbl_table.seq; |
564 | rcu_read_unlock(); |
565 | |
566 | if (!p) { |
567 | err = -ESRCH; |
568 | goto out; |
569 | } |
570 | |
571 | if (!(skb = nlmsg_new(ip6addrlbl_msgsize(), GFP_KERNEL))) { |
572 | ip6addrlbl_put(p); |
573 | return -ENOBUFS; |
574 | } |
575 | |
576 | err = ip6addrlbl_fill(skb, p, lseq, |
577 | NETLINK_CB(in_skb).portid, nlh->nlmsg_seq, |
578 | RTM_NEWADDRLABEL, 0); |
579 | |
580 | ip6addrlbl_put(p); |
581 | |
582 | if (err < 0) { |
583 | WARN_ON(err == -EMSGSIZE); |
584 | kfree_skb(skb); |
585 | goto out; |
586 | } |
587 | |
588 | err = rtnl_unicast(skb, net, NETLINK_CB(in_skb).portid); |
589 | out: |
590 | return err; |
591 | } |
592 | |
593 | void __init ipv6_addr_label_rtnl_register(void) |
594 | { |
595 | __rtnl_register(PF_INET6, RTM_NEWADDRLABEL, ip6addrlbl_newdel, |
596 | NULL, NULL); |
597 | __rtnl_register(PF_INET6, RTM_DELADDRLABEL, ip6addrlbl_newdel, |
598 | NULL, NULL); |
599 | __rtnl_register(PF_INET6, RTM_GETADDRLABEL, ip6addrlbl_get, |
600 | ip6addrlbl_dump, NULL); |
601 | } |
602 | |
603 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9