Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef _IPV6_H |
2 | #define _IPV6_H | |
3 | ||
5c6aa2ba | 4 | #include <linux/types.h> |
1da177e4 LT |
5 | #include <linux/in6.h> |
6 | #include <asm/byteorder.h> | |
7 | ||
8 | /* The latest drafts declared increase in minimal mtu up to 1280. */ | |
9 | ||
10 | #define IPV6_MIN_MTU 1280 | |
11 | ||
12 | /* | |
13 | * Advanced API | |
14 | * source interface/address selection, source routing, etc... | |
15 | * *under construction* | |
16 | */ | |
17 | ||
18 | ||
19 | struct in6_pktinfo { | |
20 | struct in6_addr ipi6_addr; | |
21 | int ipi6_ifindex; | |
22 | }; | |
23 | ||
24 | ||
25 | struct in6_ifreq { | |
26 | struct in6_addr ifr6_addr; | |
27 | __u32 ifr6_prefixlen; | |
28 | int ifr6_ifindex; | |
29 | }; | |
30 | ||
bb4dbf9e YH |
31 | #define IPV6_SRCRT_STRICT 0x01 /* Deprecated; will be removed */ |
32 | #define IPV6_SRCRT_TYPE_0 0 /* Deprecated; will be removed */ | |
642ec62e | 33 | #define IPV6_SRCRT_TYPE_2 2 /* IPv6 type 2 Routing Header */ |
1da177e4 LT |
34 | |
35 | /* | |
36 | * routing header | |
37 | */ | |
38 | struct ipv6_rt_hdr { | |
39 | __u8 nexthdr; | |
40 | __u8 hdrlen; | |
41 | __u8 type; | |
42 | __u8 segments_left; | |
43 | ||
44 | /* | |
45 | * type specific data | |
46 | * variable length field | |
47 | */ | |
48 | }; | |
49 | ||
50 | ||
51 | struct ipv6_opt_hdr { | |
52 | __u8 nexthdr; | |
53 | __u8 hdrlen; | |
54 | /* | |
55 | * TLV encoded option data follows. | |
56 | */ | |
7cd636fe | 57 | } __attribute__ ((packed)); /* required for some archs */ |
1da177e4 LT |
58 | |
59 | #define ipv6_destopt_hdr ipv6_opt_hdr | |
60 | #define ipv6_hopopt_hdr ipv6_opt_hdr | |
61 | ||
62 | #ifdef __KERNEL__ | |
63 | #define ipv6_optlen(p) (((p)->hdrlen+1) << 3) | |
64 | #endif | |
65 | ||
66 | /* | |
67 | * routing header type 0 (used in cmsghdr struct) | |
68 | */ | |
69 | ||
70 | struct rt0_hdr { | |
71 | struct ipv6_rt_hdr rt_hdr; | |
e6df439b | 72 | __u32 reserved; |
1da177e4 LT |
73 | struct in6_addr addr[0]; |
74 | ||
75 | #define rt0_type rt_hdr.type | |
76 | }; | |
77 | ||
642ec62e NT |
78 | /* |
79 | * routing header type 2 | |
80 | */ | |
81 | ||
82 | struct rt2_hdr { | |
83 | struct ipv6_rt_hdr rt_hdr; | |
84 | __u32 reserved; | |
85 | struct in6_addr addr; | |
86 | ||
87 | #define rt2_type rt_hdr.type | |
88 | }; | |
89 | ||
842426e7 NT |
90 | /* |
91 | * home address option in destination options header | |
92 | */ | |
93 | ||
94 | struct ipv6_destopt_hao { | |
95 | __u8 type; | |
96 | __u8 length; | |
97 | struct in6_addr addr; | |
98 | } __attribute__ ((__packed__)); | |
99 | ||
1da177e4 LT |
100 | /* |
101 | * IPv6 fixed header | |
102 | * | |
103 | * BEWARE, it is incorrect. The first 4 bits of flow_lbl | |
104 | * are glued to priority now, forming "class". | |
105 | */ | |
106 | ||
107 | struct ipv6hdr { | |
108 | #if defined(__LITTLE_ENDIAN_BITFIELD) | |
109 | __u8 priority:4, | |
110 | version:4; | |
111 | #elif defined(__BIG_ENDIAN_BITFIELD) | |
112 | __u8 version:4, | |
113 | priority:4; | |
114 | #else | |
115 | #error "Please fix <asm/byteorder.h>" | |
116 | #endif | |
117 | __u8 flow_lbl[3]; | |
118 | ||
43505077 | 119 | __be16 payload_len; |
1da177e4 LT |
120 | __u8 nexthdr; |
121 | __u8 hop_limit; | |
122 | ||
123 | struct in6_addr saddr; | |
124 | struct in6_addr daddr; | |
125 | }; | |
126 | ||
ebb36a97 | 127 | #ifdef __KERNEL__ |
1da177e4 LT |
128 | /* |
129 | * This structure contains configuration options per IPv6 link. | |
130 | */ | |
131 | struct ipv6_devconf { | |
132 | __s32 forwarding; | |
133 | __s32 hop_limit; | |
134 | __s32 mtu6; | |
135 | __s32 accept_ra; | |
136 | __s32 accept_redirects; | |
137 | __s32 autoconf; | |
138 | __s32 dad_transmits; | |
139 | __s32 rtr_solicits; | |
140 | __s32 rtr_solicit_interval; | |
141 | __s32 rtr_solicit_delay; | |
142 | __s32 force_mld_version; | |
143 | #ifdef CONFIG_IPV6_PRIVACY | |
144 | __s32 use_tempaddr; | |
145 | __s32 temp_valid_lft; | |
146 | __s32 temp_prefered_lft; | |
147 | __s32 regen_max_retry; | |
148 | __s32 max_desync_factor; | |
149 | #endif | |
150 | __s32 max_addresses; | |
65f5c7c1 | 151 | __s32 accept_ra_defrtr; |
c4fd30eb | 152 | __s32 accept_ra_pinfo; |
930d6ff2 YH |
153 | #ifdef CONFIG_IPV6_ROUTER_PREF |
154 | __s32 accept_ra_rtr_pref; | |
52e16356 | 155 | __s32 rtr_probe_interval; |
09c884d4 YH |
156 | #ifdef CONFIG_IPV6_ROUTE_INFO |
157 | __s32 accept_ra_rt_info_max_plen; | |
158 | #endif | |
930d6ff2 | 159 | #endif |
fbea49e1 | 160 | __s32 proxy_ndp; |
0bcbc926 | 161 | __s32 accept_source_route; |
95c385b4 NH |
162 | #ifdef CONFIG_IPV6_OPTIMISTIC_DAD |
163 | __s32 optimistic_dad; | |
7bc570c8 YH |
164 | #endif |
165 | #ifdef CONFIG_IPV6_MROUTE | |
166 | __s32 mc_forwarding; | |
95c385b4 | 167 | #endif |
778d80be | 168 | __s32 disable_ipv6; |
1b34be74 | 169 | __s32 accept_dad; |
1da177e4 LT |
170 | void *sysctl; |
171 | }; | |
56d417b1 BH |
172 | |
173 | struct ipv6_params { | |
174 | __s32 disable_ipv6; | |
175 | __s32 autoconf; | |
176 | }; | |
177 | extern struct ipv6_params ipv6_defaults; | |
ebb36a97 | 178 | #endif |
1da177e4 LT |
179 | |
180 | /* index values for the variables in ipv6_devconf */ | |
181 | enum { | |
182 | DEVCONF_FORWARDING = 0, | |
183 | DEVCONF_HOPLIMIT, | |
184 | DEVCONF_MTU6, | |
185 | DEVCONF_ACCEPT_RA, | |
186 | DEVCONF_ACCEPT_REDIRECTS, | |
187 | DEVCONF_AUTOCONF, | |
188 | DEVCONF_DAD_TRANSMITS, | |
189 | DEVCONF_RTR_SOLICITS, | |
190 | DEVCONF_RTR_SOLICIT_INTERVAL, | |
191 | DEVCONF_RTR_SOLICIT_DELAY, | |
192 | DEVCONF_USE_TEMPADDR, | |
193 | DEVCONF_TEMP_VALID_LFT, | |
194 | DEVCONF_TEMP_PREFERED_LFT, | |
195 | DEVCONF_REGEN_MAX_RETRY, | |
196 | DEVCONF_MAX_DESYNC_FACTOR, | |
197 | DEVCONF_MAX_ADDRESSES, | |
198 | DEVCONF_FORCE_MLD_VERSION, | |
65f5c7c1 | 199 | DEVCONF_ACCEPT_RA_DEFRTR, |
c4fd30eb | 200 | DEVCONF_ACCEPT_RA_PINFO, |
930d6ff2 | 201 | DEVCONF_ACCEPT_RA_RTR_PREF, |
52e16356 | 202 | DEVCONF_RTR_PROBE_INTERVAL, |
09c884d4 | 203 | DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN, |
fbea49e1 | 204 | DEVCONF_PROXY_NDP, |
95c385b4 | 205 | DEVCONF_OPTIMISTIC_DAD, |
4540250b | 206 | DEVCONF_ACCEPT_SOURCE_ROUTE, |
7bc570c8 | 207 | DEVCONF_MC_FORWARDING, |
778d80be | 208 | DEVCONF_DISABLE_IPV6, |
1b34be74 | 209 | DEVCONF_ACCEPT_DAD, |
1da177e4 LT |
210 | DEVCONF_MAX |
211 | }; | |
212 | ||
213 | #ifdef __KERNEL__ | |
1da177e4 | 214 | #include <linux/icmpv6.h> |
1da177e4 LT |
215 | #include <linux/tcp.h> |
216 | #include <linux/udp.h> | |
217 | ||
14c85021 ACM |
218 | #include <net/inet_sock.h> |
219 | ||
0660e03f ACM |
220 | static inline struct ipv6hdr *ipv6_hdr(const struct sk_buff *skb) |
221 | { | |
222 | return (struct ipv6hdr *)skb_network_header(skb); | |
223 | } | |
224 | ||
39b89160 ACM |
225 | static inline struct ipv6hdr *ipipv6_hdr(const struct sk_buff *skb) |
226 | { | |
9c70220b | 227 | return (struct ipv6hdr *)skb_transport_header(skb); |
39b89160 ACM |
228 | } |
229 | ||
1da177e4 LT |
230 | /* |
231 | This structure contains results of exthdrs parsing | |
232 | as offsets from skb->nh. | |
233 | */ | |
234 | ||
235 | struct inet6_skb_parm { | |
236 | int iif; | |
237 | __u16 ra; | |
238 | __u16 hop; | |
239 | __u16 dst0; | |
240 | __u16 srcrt; | |
241 | __u16 dst1; | |
333fad53 | 242 | __u16 lastopt; |
951dbc8a | 243 | __u32 nhoff; |
3e3850e9 | 244 | __u16 flags; |
59fbb3a6 | 245 | #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) |
8dd7368d DM |
246 | __u16 dsthao; |
247 | #endif | |
3e3850e9 PM |
248 | |
249 | #define IP6SKB_XFRM_TRANSFORMED 1 | |
7bc570c8 | 250 | #define IP6SKB_FORWARDED 2 |
1da177e4 LT |
251 | }; |
252 | ||
253 | #define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb)) | |
254 | ||
505cbfc5 ACM |
255 | static inline int inet6_iif(const struct sk_buff *skb) |
256 | { | |
257 | return IP6CB(skb)->iif; | |
258 | } | |
259 | ||
ca304b61 | 260 | struct inet6_request_sock { |
2e6599cb ACM |
261 | struct in6_addr loc_addr; |
262 | struct in6_addr rmt_addr; | |
263 | struct sk_buff *pktopts; | |
264 | int iif; | |
265 | }; | |
266 | ||
ca304b61 ACM |
267 | struct tcp6_request_sock { |
268 | struct tcp_request_sock tcp6rsk_tcp; | |
269 | struct inet6_request_sock tcp6rsk_inet6; | |
270 | }; | |
2e6599cb | 271 | |
20283d84 HX |
272 | struct ipv6_mc_socklist; |
273 | struct ipv6_ac_socklist; | |
274 | struct ipv6_fl_socklist; | |
275 | ||
1da177e4 LT |
276 | /** |
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 | */ | |
284 | struct ipv6_pinfo { | |
285 | struct in6_addr saddr; | |
286 | struct in6_addr rcv_saddr; | |
287 | struct in6_addr daddr; | |
b24a2516 | 288 | struct in6_pktinfo sticky_pktinfo; |
1da177e4 | 289 | struct in6_addr *daddr_cache; |
8e1ef0a9 YH |
290 | #ifdef CONFIG_IPV6_SUBTREES |
291 | struct in6_addr *saddr_cache; | |
292 | #endif | |
1da177e4 | 293 | |
90bcaf7b | 294 | __be32 flow_label; |
1da177e4 | 295 | __u32 frag_size; |
1d5d236d YH |
296 | |
297 | /* | |
298 | * Packed in 16bits. | |
299 | * Omit one shift by by putting the signed field at MSB. | |
300 | */ | |
301 | #if defined(__BIG_ENDIAN_BITFIELD) | |
302 | __s16 hop_limit:9; | |
303 | __u16 __unused_1:7; | |
304 | #else | |
305 | __u16 __unused_1:7; | |
306 | __s16 hop_limit:9; | |
307 | #endif | |
308 | ||
309 | #if defined(__BIG_ENDIAN_BITFIELD) | |
310 | /* Packed in 16bits. */ | |
311 | __s16 mcast_hops:9; | |
312 | __u16 __unused_2:6, | |
313 | mc_loop:1; | |
314 | #else | |
315 | __u16 mc_loop:1, | |
316 | __unused_2:6; | |
317 | __s16 mcast_hops:9; | |
318 | #endif | |
1da177e4 LT |
319 | int mcast_oif; |
320 | ||
321 | /* pktoption flags */ | |
322 | union { | |
323 | struct { | |
4c752098 YH |
324 | __u16 srcrt:1, |
325 | osrcrt:1, | |
1da177e4 | 326 | rxinfo:1, |
333fad53 | 327 | rxoinfo:1, |
1da177e4 | 328 | rxhlim:1, |
333fad53 | 329 | rxohlim:1, |
1da177e4 | 330 | hopopts:1, |
333fad53 | 331 | ohopopts:1, |
1da177e4 | 332 | dstopts:1, |
333fad53 | 333 | odstopts:1, |
41a1f8ea YH |
334 | rxflow:1, |
335 | rxtclass:1; | |
1da177e4 | 336 | } bits; |
333fad53 | 337 | __u16 all; |
1da177e4 LT |
338 | } rxopt; |
339 | ||
340 | /* sockopt flags */ | |
1d5d236d | 341 | __u8 recverr:1, |
1da177e4 LT |
342 | sndflow:1, |
343 | pmtudisc:2, | |
7cbca67c YH |
344 | ipv6only:1, |
345 | srcprefs:3; /* 001: prefer temporary address | |
346 | * 010: prefer public address | |
347 | * 100: prefer care-of address | |
348 | */ | |
41a1f8ea | 349 | __u8 tclass; |
1da177e4 LT |
350 | |
351 | __u32 dst_cookie; | |
352 | ||
353 | struct ipv6_mc_socklist *ipv6_mc_list; | |
354 | struct ipv6_ac_socklist *ipv6_ac_list; | |
355 | struct ipv6_fl_socklist *ipv6_fl_list; | |
356 | ||
357 | struct ipv6_txoptions *opt; | |
358 | struct sk_buff *pktoptions; | |
359 | struct { | |
360 | struct ipv6_txoptions *opt; | |
47254745 YH |
361 | u8 hop_limit; |
362 | u8 tclass; | |
1da177e4 LT |
363 | } cork; |
364 | }; | |
365 | ||
366 | /* WARNING: don't change the layout of the members in {raw,udp,tcp}6_sock! */ | |
367 | struct raw6_sock { | |
368 | /* inet_sock has to be the first member of raw6_sock */ | |
369 | struct inet_sock inet; | |
370 | __u32 checksum; /* perform checksum */ | |
371 | __u32 offset; /* checksum offset */ | |
372 | struct icmp6_filter filter; | |
373 | /* ipv6_pinfo has to be the last member of raw6_sock, see inet6_sk_generic */ | |
374 | struct ipv6_pinfo inet6; | |
375 | }; | |
376 | ||
377 | struct udp6_sock { | |
378 | struct udp_sock udp; | |
379 | /* ipv6_pinfo has to be the last member of udp6_sock, see inet6_sk_generic */ | |
380 | struct ipv6_pinfo inet6; | |
381 | }; | |
382 | ||
383 | struct tcp6_sock { | |
384 | struct tcp_sock tcp; | |
385 | /* ipv6_pinfo has to be the last member of tcp6_sock, see inet6_sk_generic */ | |
386 | struct ipv6_pinfo inet6; | |
387 | }; | |
388 | ||
b9750ce1 ACM |
389 | extern int inet6_sk_rebuild_header(struct sock *sk); |
390 | ||
1da177e4 LT |
391 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
392 | static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk) | |
393 | { | |
394 | return inet_sk(__sk)->pinet6; | |
395 | } | |
396 | ||
ca304b61 ACM |
397 | static inline struct inet6_request_sock * |
398 | inet6_rsk(const struct request_sock *rsk) | |
399 | { | |
400 | return (struct inet6_request_sock *)(((u8 *)rsk) + | |
401 | inet_rsk(rsk)->inet6_rsk_offset); | |
402 | } | |
403 | ||
404 | static inline u32 inet6_rsk_offset(struct request_sock *rsk) | |
405 | { | |
406 | return rsk->rsk_ops->obj_size - sizeof(struct inet6_request_sock); | |
407 | } | |
408 | ||
409 | static inline struct request_sock *inet6_reqsk_alloc(struct request_sock_ops *ops) | |
410 | { | |
411 | struct request_sock *req = reqsk_alloc(ops); | |
412 | ||
ce4a7d0d | 413 | if (req != NULL) { |
ca304b61 | 414 | inet_rsk(req)->inet6_rsk_offset = inet6_rsk_offset(req); |
ce4a7d0d ACM |
415 | inet6_rsk(req)->pktopts = NULL; |
416 | } | |
ca304b61 ACM |
417 | |
418 | return req; | |
419 | } | |
420 | ||
1da177e4 LT |
421 | static inline struct raw6_sock *raw6_sk(const struct sock *sk) |
422 | { | |
423 | return (struct raw6_sock *)sk; | |
424 | } | |
425 | ||
426 | static inline void inet_sk_copy_descendant(struct sock *sk_to, | |
427 | const struct sock *sk_from) | |
428 | { | |
429 | int ancestor_size = sizeof(struct inet_sock); | |
430 | ||
431 | if (sk_from->sk_family == PF_INET6) | |
432 | ancestor_size += sizeof(struct ipv6_pinfo); | |
433 | ||
434 | __inet_sk_copy_descendant(sk_to, sk_from, ancestor_size); | |
435 | } | |
436 | ||
437 | #define __ipv6_only_sock(sk) (inet6_sk(sk)->ipv6only) | |
438 | #define ipv6_only_sock(sk) ((sk)->sk_family == PF_INET6 && __ipv6_only_sock(sk)) | |
8feaf0c0 | 439 | |
0fa1a53e ACM |
440 | struct inet6_timewait_sock { |
441 | struct in6_addr tw_v6_daddr; | |
442 | struct in6_addr tw_v6_rcv_saddr; | |
443 | }; | |
444 | ||
8feaf0c0 | 445 | struct tcp6_timewait_sock { |
0fa1a53e ACM |
446 | struct tcp_timewait_sock tcp6tw_tcp; |
447 | struct inet6_timewait_sock tcp6tw_inet6; | |
8feaf0c0 ACM |
448 | }; |
449 | ||
0fa1a53e ACM |
450 | static inline u16 inet6_tw_offset(const struct proto *prot) |
451 | { | |
6d6ee43e ACM |
452 | return prot->twsk_prot->twsk_obj_size - |
453 | sizeof(struct inet6_timewait_sock); | |
0fa1a53e ACM |
454 | } |
455 | ||
456 | static inline struct inet6_timewait_sock *inet6_twsk(const struct sock *sk) | |
8feaf0c0 | 457 | { |
0fa1a53e ACM |
458 | return (struct inet6_timewait_sock *)(((u8 *)sk) + |
459 | inet_twsk(sk)->tw_ipv6_offset); | |
8feaf0c0 ACM |
460 | } |
461 | ||
0fa1a53e | 462 | static inline struct in6_addr *__inet6_rcv_saddr(const struct sock *sk) |
8feaf0c0 ACM |
463 | { |
464 | return likely(sk->sk_state != TCP_TIME_WAIT) ? | |
0fa1a53e | 465 | &inet6_sk(sk)->rcv_saddr : &inet6_twsk(sk)->tw_v6_rcv_saddr; |
8feaf0c0 ACM |
466 | } |
467 | ||
0fa1a53e | 468 | static inline struct in6_addr *inet6_rcv_saddr(const struct sock *sk) |
8feaf0c0 | 469 | { |
0fa1a53e | 470 | return sk->sk_family == AF_INET6 ? __inet6_rcv_saddr(sk) : NULL; |
8feaf0c0 ACM |
471 | } |
472 | ||
463c84b9 | 473 | static inline int inet_v6_ipv6only(const struct sock *sk) |
8feaf0c0 ACM |
474 | { |
475 | return likely(sk->sk_state != TCP_TIME_WAIT) ? | |
3f421baa | 476 | ipv6_only_sock(sk) : inet_twsk(sk)->tw_ipv6only; |
8feaf0c0 | 477 | } |
1da177e4 LT |
478 | #else |
479 | #define __ipv6_only_sock(sk) 0 | |
480 | #define ipv6_only_sock(sk) 0 | |
481 | ||
482 | static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk) | |
483 | { | |
484 | return NULL; | |
485 | } | |
486 | ||
ca304b61 ACM |
487 | static inline struct inet6_request_sock * |
488 | inet6_rsk(const struct request_sock *rsk) | |
489 | { | |
490 | return NULL; | |
491 | } | |
492 | ||
1da177e4 LT |
493 | static inline struct raw6_sock *raw6_sk(const struct sock *sk) |
494 | { | |
495 | return NULL; | |
496 | } | |
497 | ||
0fa1a53e ACM |
498 | #define __inet6_rcv_saddr(__sk) NULL |
499 | #define inet6_rcv_saddr(__sk) NULL | |
8feaf0c0 | 500 | #define tcp_twsk_ipv6only(__sk) 0 |
463c84b9 | 501 | #define inet_v6_ipv6only(__sk) 0 |
8feaf0c0 | 502 | #endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */ |
1da177e4 | 503 | |
d86e0dac | 504 | #define INET6_MATCH(__sk, __net, __hash, __saddr, __daddr, __ports, __dif)\ |
3b1e0a65 | 505 | (((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net) && \ |
4f765d84 | 506 | ((*((__portpair *)&(inet_sk(__sk)->dport))) == (__ports)) && \ |
8feaf0c0 ACM |
507 | ((__sk)->sk_family == AF_INET6) && \ |
508 | ipv6_addr_equal(&inet6_sk(__sk)->daddr, (__saddr)) && \ | |
509 | ipv6_addr_equal(&inet6_sk(__sk)->rcv_saddr, (__daddr)) && \ | |
510 | (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif)))) | |
1da177e4 | 511 | |
d86e0dac | 512 | #define INET6_TW_MATCH(__sk, __net, __hash, __saddr, __daddr, __ports, __dif) \ |
3b1e0a65 | 513 | (((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net) && \ |
535174ef PE |
514 | (*((__portpair *)&(inet_twsk(__sk)->tw_dport)) == (__ports)) && \ |
515 | ((__sk)->sk_family == PF_INET6) && \ | |
516 | (ipv6_addr_equal(&inet6_twsk(__sk)->tw_v6_daddr, (__saddr))) && \ | |
517 | (ipv6_addr_equal(&inet6_twsk(__sk)->tw_v6_rcv_saddr, (__daddr))) && \ | |
518 | (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif)))) | |
519 | ||
8feaf0c0 ACM |
520 | #endif /* __KERNEL__ */ |
521 | ||
522 | #endif /* _IPV6_H */ |