blob: 97983dc9df131ada19207e54a0371d700912c41c [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _IPV6_H
2#define _IPV6_H
3
Linus Torvalds1da177e2005-04-16 15:20:36 -07004#include <linux/in6.h>
5#include <asm/byteorder.h>
6
7/* The latest drafts declared increase in minimal mtu up to 1280. */
8
9#define IPV6_MIN_MTU 1280
10
11/*
12 * Advanced API
13 * source interface/address selection, source routing, etc...
14 * *under construction*
15 */
16
17
18struct in6_pktinfo {
19 struct in6_addr ipi6_addr;
20 int ipi6_ifindex;
21};
22
23
24struct in6_ifreq {
25 struct in6_addr ifr6_addr;
26 __u32 ifr6_prefixlen;
27 int ifr6_ifindex;
28};
29
YOSHIFUJI Hideakibb4dbf92007-07-10 22:55:49 -070030#define IPV6_SRCRT_STRICT 0x01 /* Deprecated; will be removed */
31#define IPV6_SRCRT_TYPE_0 0 /* Deprecated; will be removed */
Noriaki TAKAMIYA642ec622006-08-23 19:15:07 -070032#define IPV6_SRCRT_TYPE_2 2 /* IPv6 type 2 Routing Header */
Linus Torvalds1da177e2005-04-16 15:20:36 -070033
34/*
35 * routing header
36 */
37struct ipv6_rt_hdr {
38 __u8 nexthdr;
39 __u8 hdrlen;
40 __u8 type;
41 __u8 segments_left;
42
43 /*
44 * type specific data
45 * variable length field
46 */
47};
48
49
50struct ipv6_opt_hdr {
51 __u8 nexthdr;
52 __u8 hdrlen;
53 /*
54 * TLV encoded option data follows.
55 */
56};
57
58#define ipv6_destopt_hdr ipv6_opt_hdr
59#define ipv6_hopopt_hdr ipv6_opt_hdr
60
61#ifdef __KERNEL__
62#define ipv6_optlen(p) (((p)->hdrlen+1) << 3)
63#endif
64
65/*
66 * routing header type 0 (used in cmsghdr struct)
67 */
68
69struct rt0_hdr {
70 struct ipv6_rt_hdr rt_hdr;
Brian Haleye6df4392005-09-10 00:15:06 -070071 __u32 reserved;
Linus Torvalds1da177e2005-04-16 15:20:36 -070072 struct in6_addr addr[0];
73
74#define rt0_type rt_hdr.type
75};
76
Noriaki TAKAMIYA642ec622006-08-23 19:15:07 -070077/*
78 * routing header type 2
79 */
80
81struct rt2_hdr {
82 struct ipv6_rt_hdr rt_hdr;
83 __u32 reserved;
84 struct in6_addr addr;
85
86#define rt2_type rt_hdr.type
87};
88
Noriaki TAKAMIYA842426e2006-08-23 19:21:34 -070089/*
90 * home address option in destination options header
91 */
92
93struct ipv6_destopt_hao {
94 __u8 type;
95 __u8 length;
96 struct in6_addr addr;
97} __attribute__ ((__packed__));
98
Linus Torvalds1da177e2005-04-16 15:20:36 -070099struct ipv6_auth_hdr {
100 __u8 nexthdr;
101 __u8 hdrlen; /* This one is measured in 32 bit units! */
Al Viro43505072006-09-27 18:45:11 -0700102 __be16 reserved;
103 __be32 spi;
104 __be32 seq_no; /* Sequence number */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105 __u8 auth_data[0]; /* Length variable but >=4. Mind the 64 bit alignment! */
106};
107
108struct ipv6_esp_hdr {
Al Viro43505072006-09-27 18:45:11 -0700109 __be32 spi;
110 __be32 seq_no; /* Sequence number */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700111 __u8 enc_data[0]; /* Length variable but >=8. Mind the 64 bit alignment! */
112};
113
114struct ipv6_comp_hdr {
115 __u8 nexthdr;
116 __u8 flags;
Al Viro43505072006-09-27 18:45:11 -0700117 __be16 cpi;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118};
119
120/*
121 * IPv6 fixed header
122 *
123 * BEWARE, it is incorrect. The first 4 bits of flow_lbl
124 * are glued to priority now, forming "class".
125 */
126
127struct ipv6hdr {
128#if defined(__LITTLE_ENDIAN_BITFIELD)
129 __u8 priority:4,
130 version:4;
131#elif defined(__BIG_ENDIAN_BITFIELD)
132 __u8 version:4,
133 priority:4;
134#else
135#error "Please fix <asm/byteorder.h>"
136#endif
137 __u8 flow_lbl[3];
138
Al Viro43505072006-09-27 18:45:11 -0700139 __be16 payload_len;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140 __u8 nexthdr;
141 __u8 hop_limit;
142
143 struct in6_addr saddr;
144 struct in6_addr daddr;
145};
146
147/*
148 * This structure contains configuration options per IPv6 link.
149 */
150struct ipv6_devconf {
151 __s32 forwarding;
152 __s32 hop_limit;
153 __s32 mtu6;
154 __s32 accept_ra;
155 __s32 accept_redirects;
156 __s32 autoconf;
157 __s32 dad_transmits;
158 __s32 rtr_solicits;
159 __s32 rtr_solicit_interval;
160 __s32 rtr_solicit_delay;
161 __s32 force_mld_version;
162#ifdef CONFIG_IPV6_PRIVACY
163 __s32 use_tempaddr;
164 __s32 temp_valid_lft;
165 __s32 temp_prefered_lft;
166 __s32 regen_max_retry;
167 __s32 max_desync_factor;
168#endif
169 __s32 max_addresses;
YOSHIFUJI Hideaki65f5c7c2006-03-20 16:55:08 -0800170 __s32 accept_ra_defrtr;
YOSHIFUJI Hideakic4fd30e2006-03-20 16:55:26 -0800171 __s32 accept_ra_pinfo;
YOSHIFUJI Hideaki930d6ff2006-03-20 17:05:30 -0800172#ifdef CONFIG_IPV6_ROUTER_PREF
173 __s32 accept_ra_rtr_pref;
YOSHIFUJI Hideaki52e16352006-03-20 17:05:47 -0800174 __s32 rtr_probe_interval;
YOSHIFUJI Hideaki09c884d2006-03-20 17:07:03 -0800175#ifdef CONFIG_IPV6_ROUTE_INFO
176 __s32 accept_ra_rt_info_max_plen;
177#endif
YOSHIFUJI Hideaki930d6ff2006-03-20 17:05:30 -0800178#endif
YOSHIFUJI Hideakifbea49e2006-09-22 14:43:49 -0700179 __s32 proxy_ndp;
YOSHIFUJI Hideaki0bcbc922007-04-24 14:58:30 -0700180 __s32 accept_source_route;
Neil Horman95c385b2007-04-25 17:08:10 -0700181#ifdef CONFIG_IPV6_OPTIMISTIC_DAD
182 __s32 optimistic_dad;
183#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700184 void *sysctl;
185};
186
187/* index values for the variables in ipv6_devconf */
188enum {
189 DEVCONF_FORWARDING = 0,
190 DEVCONF_HOPLIMIT,
191 DEVCONF_MTU6,
192 DEVCONF_ACCEPT_RA,
193 DEVCONF_ACCEPT_REDIRECTS,
194 DEVCONF_AUTOCONF,
195 DEVCONF_DAD_TRANSMITS,
196 DEVCONF_RTR_SOLICITS,
197 DEVCONF_RTR_SOLICIT_INTERVAL,
198 DEVCONF_RTR_SOLICIT_DELAY,
199 DEVCONF_USE_TEMPADDR,
200 DEVCONF_TEMP_VALID_LFT,
201 DEVCONF_TEMP_PREFERED_LFT,
202 DEVCONF_REGEN_MAX_RETRY,
203 DEVCONF_MAX_DESYNC_FACTOR,
204 DEVCONF_MAX_ADDRESSES,
205 DEVCONF_FORCE_MLD_VERSION,
YOSHIFUJI Hideaki65f5c7c2006-03-20 16:55:08 -0800206 DEVCONF_ACCEPT_RA_DEFRTR,
YOSHIFUJI Hideakic4fd30e2006-03-20 16:55:26 -0800207 DEVCONF_ACCEPT_RA_PINFO,
YOSHIFUJI Hideaki930d6ff2006-03-20 17:05:30 -0800208 DEVCONF_ACCEPT_RA_RTR_PREF,
YOSHIFUJI Hideaki52e16352006-03-20 17:05:47 -0800209 DEVCONF_RTR_PROBE_INTERVAL,
YOSHIFUJI Hideaki09c884d2006-03-20 17:07:03 -0800210 DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN,
YOSHIFUJI Hideakifbea49e2006-09-22 14:43:49 -0700211 DEVCONF_PROXY_NDP,
Neil Horman95c385b2007-04-25 17:08:10 -0700212 DEVCONF_OPTIMISTIC_DAD,
YOSHIFUJI Hideaki45402502007-05-29 13:23:34 -0700213 DEVCONF_ACCEPT_SOURCE_ROUTE,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700214 DEVCONF_MAX
215};
216
217#ifdef __KERNEL__
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218#include <linux/icmpv6.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700219#include <linux/tcp.h>
220#include <linux/udp.h>
221
Arnaldo Carvalho de Melo14c85022005-12-27 02:43:12 -0200222#include <net/if_inet6.h> /* struct ipv6_mc_socklist */
223#include <net/inet_sock.h>
224
Arnaldo Carvalho de Melo0660e032007-04-25 17:54:47 -0700225static inline struct ipv6hdr *ipv6_hdr(const struct sk_buff *skb)
226{
227 return (struct ipv6hdr *)skb_network_header(skb);
228}
229
Arnaldo Carvalho de Melo39b89162007-04-10 21:06:25 -0700230static inline struct ipv6hdr *ipipv6_hdr(const struct sk_buff *skb)
231{
Arnaldo Carvalho de Melo9c702202007-04-25 18:04:18 -0700232 return (struct ipv6hdr *)skb_transport_header(skb);
Arnaldo Carvalho de Melo39b89162007-04-10 21:06:25 -0700233}
234
Linus Torvalds1da177e2005-04-16 15:20:36 -0700235/*
236 This structure contains results of exthdrs parsing
237 as offsets from skb->nh.
238 */
239
240struct inet6_skb_parm {
241 int iif;
242 __u16 ra;
243 __u16 hop;
244 __u16 dst0;
245 __u16 srcrt;
246 __u16 dst1;
YOSHIFUJI Hideaki333fad52005-09-08 09:59:17 +0900247 __u16 lastopt;
Patrick McHardy951dbc82006-01-06 23:02:34 -0800248 __u32 nhoff;
Patrick McHardy3e3850e2006-01-06 23:04:54 -0800249 __u16 flags;
Masahide NAKAMURA59fbb3a62007-06-26 23:56:32 -0700250#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
David S. Miller8dd73682006-08-23 19:25:55 -0700251 __u16 dsthao;
252#endif
Patrick McHardy3e3850e2006-01-06 23:04:54 -0800253
254#define IP6SKB_XFRM_TRANSFORMED 1
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255};
256
257#define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb))
258
Arnaldo Carvalho de Melo505cbfc2005-08-12 09:19:38 -0300259static inline int inet6_iif(const struct sk_buff *skb)
260{
261 return IP6CB(skb)->iif;
262}
263
Arnaldo Carvalho de Meloca304b62005-12-13 23:15:40 -0800264struct inet6_request_sock {
Arnaldo Carvalho de Melo2e6599c2005-06-18 22:46:52 -0700265 struct in6_addr loc_addr;
266 struct in6_addr rmt_addr;
267 struct sk_buff *pktopts;
268 int iif;
269};
270
Arnaldo Carvalho de Meloca304b62005-12-13 23:15:40 -0800271struct tcp6_request_sock {
272 struct tcp_request_sock tcp6rsk_tcp;
273 struct inet6_request_sock tcp6rsk_inet6;
274};
Arnaldo Carvalho de Melo2e6599c2005-06-18 22:46:52 -0700275
Linus Torvalds1da177e2005-04-16 15:20:36 -0700276/**
277 * struct ipv6_pinfo - ipv6 private area
278 *
279 * In the struct sock hierarchy (tcp6_sock, upd6_sock, etc)
280 * this _must_ be the last member, so that inet6_sk_generic
281 * is able to calculate its offset from the base struct sock
282 * by using the struct proto->slab_obj_size member. -acme
283 */
284struct ipv6_pinfo {
285 struct in6_addr saddr;
286 struct in6_addr rcv_saddr;
287 struct in6_addr daddr;
288 struct in6_addr *daddr_cache;
YOSHIFUJI Hideaki8e1ef0a2006-08-29 17:15:09 -0700289#ifdef CONFIG_IPV6_SUBTREES
290 struct in6_addr *saddr_cache;
291#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700292
Al Viro90bcaf72006-11-08 00:25:17 -0800293 __be32 flow_label;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700294 __u32 frag_size;
295 __s16 hop_limit;
296 __s16 mcast_hops;
297 int mcast_oif;
298
299 /* pktoption flags */
300 union {
301 struct {
YOSHIFUJI Hideaki4c752092007-05-23 13:28:48 +0900302 __u16 srcrt:1,
303 osrcrt:1,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700304 rxinfo:1,
YOSHIFUJI Hideaki333fad52005-09-08 09:59:17 +0900305 rxoinfo:1,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700306 rxhlim:1,
YOSHIFUJI Hideaki333fad52005-09-08 09:59:17 +0900307 rxohlim:1,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700308 hopopts:1,
YOSHIFUJI Hideaki333fad52005-09-08 09:59:17 +0900309 ohopopts:1,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700310 dstopts:1,
YOSHIFUJI Hideaki333fad52005-09-08 09:59:17 +0900311 odstopts:1,
YOSHIFUJI Hideaki41a1f8e2005-09-08 10:19:03 +0900312 rxflow:1,
313 rxtclass:1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700314 } bits;
YOSHIFUJI Hideaki333fad52005-09-08 09:59:17 +0900315 __u16 all;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700316 } rxopt;
317
318 /* sockopt flags */
319 __u8 mc_loop:1,
320 recverr:1,
321 sndflow:1,
322 pmtudisc:2,
323 ipv6only:1;
YOSHIFUJI Hideaki41a1f8e2005-09-08 10:19:03 +0900324 __u8 tclass;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700325
326 __u32 dst_cookie;
327
328 struct ipv6_mc_socklist *ipv6_mc_list;
329 struct ipv6_ac_socklist *ipv6_ac_list;
330 struct ipv6_fl_socklist *ipv6_fl_list;
331
332 struct ipv6_txoptions *opt;
333 struct sk_buff *pktoptions;
334 struct {
335 struct ipv6_txoptions *opt;
336 struct rt6_info *rt;
337 int hop_limit;
YOSHIFUJI Hideaki41a1f8e2005-09-08 10:19:03 +0900338 int tclass;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700339 } cork;
340};
341
342/* WARNING: don't change the layout of the members in {raw,udp,tcp}6_sock! */
343struct raw6_sock {
344 /* inet_sock has to be the first member of raw6_sock */
345 struct inet_sock inet;
346 __u32 checksum; /* perform checksum */
347 __u32 offset; /* checksum offset */
348 struct icmp6_filter filter;
349 /* ipv6_pinfo has to be the last member of raw6_sock, see inet6_sk_generic */
350 struct ipv6_pinfo inet6;
351};
352
353struct udp6_sock {
354 struct udp_sock udp;
355 /* ipv6_pinfo has to be the last member of udp6_sock, see inet6_sk_generic */
356 struct ipv6_pinfo inet6;
357};
358
359struct tcp6_sock {
360 struct tcp_sock tcp;
361 /* ipv6_pinfo has to be the last member of tcp6_sock, see inet6_sk_generic */
362 struct ipv6_pinfo inet6;
363};
364
Arnaldo Carvalho de Melob9750ce2005-12-13 23:22:54 -0800365extern int inet6_sk_rebuild_header(struct sock *sk);
366
Linus Torvalds1da177e2005-04-16 15:20:36 -0700367#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
368static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk)
369{
370 return inet_sk(__sk)->pinet6;
371}
372
Arnaldo Carvalho de Meloca304b62005-12-13 23:15:40 -0800373static inline struct inet6_request_sock *
374 inet6_rsk(const struct request_sock *rsk)
375{
376 return (struct inet6_request_sock *)(((u8 *)rsk) +
377 inet_rsk(rsk)->inet6_rsk_offset);
378}
379
380static inline u32 inet6_rsk_offset(struct request_sock *rsk)
381{
382 return rsk->rsk_ops->obj_size - sizeof(struct inet6_request_sock);
383}
384
385static inline struct request_sock *inet6_reqsk_alloc(struct request_sock_ops *ops)
386{
387 struct request_sock *req = reqsk_alloc(ops);
388
389 if (req != NULL)
390 inet_rsk(req)->inet6_rsk_offset = inet6_rsk_offset(req);
391
392 return req;
393}
394
Linus Torvalds1da177e2005-04-16 15:20:36 -0700395static inline struct raw6_sock *raw6_sk(const struct sock *sk)
396{
397 return (struct raw6_sock *)sk;
398}
399
400static inline void inet_sk_copy_descendant(struct sock *sk_to,
401 const struct sock *sk_from)
402{
403 int ancestor_size = sizeof(struct inet_sock);
404
405 if (sk_from->sk_family == PF_INET6)
406 ancestor_size += sizeof(struct ipv6_pinfo);
407
408 __inet_sk_copy_descendant(sk_to, sk_from, ancestor_size);
409}
410
411#define __ipv6_only_sock(sk) (inet6_sk(sk)->ipv6only)
412#define ipv6_only_sock(sk) ((sk)->sk_family == PF_INET6 && __ipv6_only_sock(sk))
Arnaldo Carvalho de Melo8feaf0c02005-08-09 20:09:30 -0700413
Arnaldo Carvalho de Melo0fa1a532005-12-13 23:23:09 -0800414struct inet6_timewait_sock {
415 struct in6_addr tw_v6_daddr;
416 struct in6_addr tw_v6_rcv_saddr;
Arnaldo Carvalho de Melo8feaf0c02005-08-09 20:09:30 -0700417};
418
Arnaldo Carvalho de Melo0fa1a532005-12-13 23:23:09 -0800419struct tcp6_timewait_sock {
420 struct tcp_timewait_sock tcp6tw_tcp;
421 struct inet6_timewait_sock tcp6tw_inet6;
422};
423
424static inline u16 inet6_tw_offset(const struct proto *prot)
Arnaldo Carvalho de Melo8feaf0c02005-08-09 20:09:30 -0700425{
Arnaldo Carvalho de Melo6d6ee432005-12-13 23:25:19 -0800426 return prot->twsk_prot->twsk_obj_size -
427 sizeof(struct inet6_timewait_sock);
Arnaldo Carvalho de Melo8feaf0c02005-08-09 20:09:30 -0700428}
429
Arnaldo Carvalho de Melo0fa1a532005-12-13 23:23:09 -0800430static inline struct inet6_timewait_sock *inet6_twsk(const struct sock *sk)
431{
432 return (struct inet6_timewait_sock *)(((u8 *)sk) +
433 inet_twsk(sk)->tw_ipv6_offset);
434}
435
436static inline struct in6_addr *__inet6_rcv_saddr(const struct sock *sk)
Arnaldo Carvalho de Melo8feaf0c02005-08-09 20:09:30 -0700437{
438 return likely(sk->sk_state != TCP_TIME_WAIT) ?
Arnaldo Carvalho de Melo0fa1a532005-12-13 23:23:09 -0800439 &inet6_sk(sk)->rcv_saddr : &inet6_twsk(sk)->tw_v6_rcv_saddr;
Arnaldo Carvalho de Melo8feaf0c02005-08-09 20:09:30 -0700440}
441
Arnaldo Carvalho de Melo0fa1a532005-12-13 23:23:09 -0800442static inline struct in6_addr *inet6_rcv_saddr(const struct sock *sk)
Arnaldo Carvalho de Melo8feaf0c02005-08-09 20:09:30 -0700443{
Arnaldo Carvalho de Melo0fa1a532005-12-13 23:23:09 -0800444 return sk->sk_family == AF_INET6 ? __inet6_rcv_saddr(sk) : NULL;
Arnaldo Carvalho de Melo8feaf0c02005-08-09 20:09:30 -0700445}
446
Arnaldo Carvalho de Melo463c84b2005-08-09 20:10:42 -0700447static inline int inet_v6_ipv6only(const struct sock *sk)
Arnaldo Carvalho de Melo8feaf0c02005-08-09 20:09:30 -0700448{
449 return likely(sk->sk_state != TCP_TIME_WAIT) ?
Arnaldo Carvalho de Melo3f421ba2005-08-09 20:11:08 -0700450 ipv6_only_sock(sk) : inet_twsk(sk)->tw_ipv6only;
Arnaldo Carvalho de Melo8feaf0c02005-08-09 20:09:30 -0700451}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700452#else
453#define __ipv6_only_sock(sk) 0
454#define ipv6_only_sock(sk) 0
455
456static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk)
457{
458 return NULL;
459}
460
Arnaldo Carvalho de Meloca304b62005-12-13 23:15:40 -0800461static inline struct inet6_request_sock *
462 inet6_rsk(const struct request_sock *rsk)
463{
464 return NULL;
465}
466
Linus Torvalds1da177e2005-04-16 15:20:36 -0700467static inline struct raw6_sock *raw6_sk(const struct sock *sk)
468{
469 return NULL;
470}
471
Arnaldo Carvalho de Melo0fa1a532005-12-13 23:23:09 -0800472#define __inet6_rcv_saddr(__sk) NULL
473#define inet6_rcv_saddr(__sk) NULL
Arnaldo Carvalho de Melo8feaf0c02005-08-09 20:09:30 -0700474#define tcp_twsk_ipv6only(__sk) 0
Arnaldo Carvalho de Melo463c84b2005-08-09 20:10:42 -0700475#define inet_v6_ipv6only(__sk) 0
Arnaldo Carvalho de Melo8feaf0c02005-08-09 20:09:30 -0700476#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700477
Eric Dumazet81c3d542005-10-03 14:13:38 -0700478#define INET6_MATCH(__sk, __hash, __saddr, __daddr, __ports, __dif)\
479 (((__sk)->sk_hash == (__hash)) && \
Al Viro4f765d82006-09-27 18:43:07 -0700480 ((*((__portpair *)&(inet_sk(__sk)->dport))) == (__ports)) && \
Arnaldo Carvalho de Melo8feaf0c02005-08-09 20:09:30 -0700481 ((__sk)->sk_family == AF_INET6) && \
482 ipv6_addr_equal(&inet6_sk(__sk)->daddr, (__saddr)) && \
483 ipv6_addr_equal(&inet6_sk(__sk)->rcv_saddr, (__daddr)) && \
484 (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif))))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700485
Arnaldo Carvalho de Melo8feaf0c02005-08-09 20:09:30 -0700486#endif /* __KERNEL__ */
487
488#endif /* _IPV6_H */