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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 | ||
793b1473 BH |
24 | struct ip6_mtuinfo { |
25 | struct sockaddr_in6 ip6m_addr; | |
26 | __u32 ip6m_mtu; | |
27 | }; | |
1da177e4 LT |
28 | |
29 | struct in6_ifreq { | |
30 | struct in6_addr ifr6_addr; | |
31 | __u32 ifr6_prefixlen; | |
32 | int ifr6_ifindex; | |
33 | }; | |
34 | ||
bb4dbf9e YH |
35 | #define IPV6_SRCRT_STRICT 0x01 /* Deprecated; will be removed */ |
36 | #define IPV6_SRCRT_TYPE_0 0 /* Deprecated; will be removed */ | |
642ec62e | 37 | #define IPV6_SRCRT_TYPE_2 2 /* IPv6 type 2 Routing Header */ |
1da177e4 LT |
38 | |
39 | /* | |
40 | * routing header | |
41 | */ | |
42 | struct ipv6_rt_hdr { | |
43 | __u8 nexthdr; | |
44 | __u8 hdrlen; | |
45 | __u8 type; | |
46 | __u8 segments_left; | |
47 | ||
48 | /* | |
49 | * type specific data | |
50 | * variable length field | |
51 | */ | |
52 | }; | |
53 | ||
54 | ||
55 | struct ipv6_opt_hdr { | |
56 | __u8 nexthdr; | |
57 | __u8 hdrlen; | |
58 | /* | |
59 | * TLV encoded option data follows. | |
60 | */ | |
7cd636fe | 61 | } __attribute__ ((packed)); /* required for some archs */ |
1da177e4 LT |
62 | |
63 | #define ipv6_destopt_hdr ipv6_opt_hdr | |
64 | #define ipv6_hopopt_hdr ipv6_opt_hdr | |
65 | ||
66 | #ifdef __KERNEL__ | |
67 | #define ipv6_optlen(p) (((p)->hdrlen+1) << 3) | |
68 | #endif | |
69 | ||
70 | /* | |
71 | * routing header type 0 (used in cmsghdr struct) | |
72 | */ | |
73 | ||
74 | struct rt0_hdr { | |
75 | struct ipv6_rt_hdr rt_hdr; | |
e6df439b | 76 | __u32 reserved; |
1da177e4 LT |
77 | struct in6_addr addr[0]; |
78 | ||
79 | #define rt0_type rt_hdr.type | |
80 | }; | |
81 | ||
642ec62e NT |
82 | /* |
83 | * routing header type 2 | |
84 | */ | |
85 | ||
86 | struct rt2_hdr { | |
87 | struct ipv6_rt_hdr rt_hdr; | |
88 | __u32 reserved; | |
89 | struct in6_addr addr; | |
90 | ||
91 | #define rt2_type rt_hdr.type | |
92 | }; | |
93 | ||
842426e7 NT |
94 | /* |
95 | * home address option in destination options header | |
96 | */ | |
97 | ||
98 | struct ipv6_destopt_hao { | |
99 | __u8 type; | |
100 | __u8 length; | |
101 | struct in6_addr addr; | |
102 | } __attribute__ ((__packed__)); | |
103 | ||
1da177e4 LT |
104 | /* |
105 | * IPv6 fixed header | |
106 | * | |
107 | * BEWARE, it is incorrect. The first 4 bits of flow_lbl | |
108 | * are glued to priority now, forming "class". | |
109 | */ | |
110 | ||
111 | struct ipv6hdr { | |
112 | #if defined(__LITTLE_ENDIAN_BITFIELD) | |
113 | __u8 priority:4, | |
114 | version:4; | |
115 | #elif defined(__BIG_ENDIAN_BITFIELD) | |
116 | __u8 version:4, | |
117 | priority:4; | |
118 | #else | |
119 | #error "Please fix <asm/byteorder.h>" | |
120 | #endif | |
121 | __u8 flow_lbl[3]; | |
122 | ||
43505077 | 123 | __be16 payload_len; |
1da177e4 LT |
124 | __u8 nexthdr; |
125 | __u8 hop_limit; | |
126 | ||
127 | struct in6_addr saddr; | |
128 | struct in6_addr daddr; | |
129 | }; | |
130 | ||
ebb36a97 | 131 | #ifdef __KERNEL__ |
1da177e4 LT |
132 | /* |
133 | * This structure contains configuration options per IPv6 link. | |
134 | */ | |
135 | struct ipv6_devconf { | |
136 | __s32 forwarding; | |
137 | __s32 hop_limit; | |
138 | __s32 mtu6; | |
139 | __s32 accept_ra; | |
140 | __s32 accept_redirects; | |
141 | __s32 autoconf; | |
142 | __s32 dad_transmits; | |
143 | __s32 rtr_solicits; | |
144 | __s32 rtr_solicit_interval; | |
145 | __s32 rtr_solicit_delay; | |
146 | __s32 force_mld_version; | |
147 | #ifdef CONFIG_IPV6_PRIVACY | |
148 | __s32 use_tempaddr; | |
149 | __s32 temp_valid_lft; | |
150 | __s32 temp_prefered_lft; | |
151 | __s32 regen_max_retry; | |
152 | __s32 max_desync_factor; | |
153 | #endif | |
154 | __s32 max_addresses; | |
65f5c7c1 | 155 | __s32 accept_ra_defrtr; |
c4fd30eb | 156 | __s32 accept_ra_pinfo; |
930d6ff2 YH |
157 | #ifdef CONFIG_IPV6_ROUTER_PREF |
158 | __s32 accept_ra_rtr_pref; | |
52e16356 | 159 | __s32 rtr_probe_interval; |
09c884d4 YH |
160 | #ifdef CONFIG_IPV6_ROUTE_INFO |
161 | __s32 accept_ra_rt_info_max_plen; | |
162 | #endif | |
930d6ff2 | 163 | #endif |
fbea49e1 | 164 | __s32 proxy_ndp; |
0bcbc926 | 165 | __s32 accept_source_route; |
95c385b4 NH |
166 | #ifdef CONFIG_IPV6_OPTIMISTIC_DAD |
167 | __s32 optimistic_dad; | |
7bc570c8 YH |
168 | #endif |
169 | #ifdef CONFIG_IPV6_MROUTE | |
170 | __s32 mc_forwarding; | |
95c385b4 | 171 | #endif |
778d80be | 172 | __s32 disable_ipv6; |
1b34be74 | 173 | __s32 accept_dad; |
f7734fdf | 174 | __s32 force_tllao; |
1da177e4 LT |
175 | void *sysctl; |
176 | }; | |
56d417b1 BH |
177 | |
178 | struct ipv6_params { | |
179 | __s32 disable_ipv6; | |
180 | __s32 autoconf; | |
181 | }; | |
182 | extern struct ipv6_params ipv6_defaults; | |
ebb36a97 | 183 | #endif |
1da177e4 LT |
184 | |
185 | /* index values for the variables in ipv6_devconf */ | |
186 | enum { | |
187 | DEVCONF_FORWARDING = 0, | |
188 | DEVCONF_HOPLIMIT, | |
189 | DEVCONF_MTU6, | |
190 | DEVCONF_ACCEPT_RA, | |
191 | DEVCONF_ACCEPT_REDIRECTS, | |
192 | DEVCONF_AUTOCONF, | |
193 | DEVCONF_DAD_TRANSMITS, | |
194 | DEVCONF_RTR_SOLICITS, | |
195 | DEVCONF_RTR_SOLICIT_INTERVAL, | |
196 | DEVCONF_RTR_SOLICIT_DELAY, | |
197 | DEVCONF_USE_TEMPADDR, | |
198 | DEVCONF_TEMP_VALID_LFT, | |
199 | DEVCONF_TEMP_PREFERED_LFT, | |
200 | DEVCONF_REGEN_MAX_RETRY, | |
201 | DEVCONF_MAX_DESYNC_FACTOR, | |
202 | DEVCONF_MAX_ADDRESSES, | |
203 | DEVCONF_FORCE_MLD_VERSION, | |
65f5c7c1 | 204 | DEVCONF_ACCEPT_RA_DEFRTR, |
c4fd30eb | 205 | DEVCONF_ACCEPT_RA_PINFO, |
930d6ff2 | 206 | DEVCONF_ACCEPT_RA_RTR_PREF, |
52e16356 | 207 | DEVCONF_RTR_PROBE_INTERVAL, |
09c884d4 | 208 | DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN, |
fbea49e1 | 209 | DEVCONF_PROXY_NDP, |
95c385b4 | 210 | DEVCONF_OPTIMISTIC_DAD, |
4540250b | 211 | DEVCONF_ACCEPT_SOURCE_ROUTE, |
7bc570c8 | 212 | DEVCONF_MC_FORWARDING, |
778d80be | 213 | DEVCONF_DISABLE_IPV6, |
1b34be74 | 214 | DEVCONF_ACCEPT_DAD, |
e0e6f55d | 215 | DEVCONF_FORCE_TLLAO, |
1da177e4 LT |
216 | DEVCONF_MAX |
217 | }; | |
218 | ||
219 | #ifdef __KERNEL__ | |
1da177e4 | 220 | #include <linux/icmpv6.h> |
1da177e4 LT |
221 | #include <linux/tcp.h> |
222 | #include <linux/udp.h> | |
223 | ||
14c85021 ACM |
224 | #include <net/inet_sock.h> |
225 | ||
0660e03f ACM |
226 | static inline struct ipv6hdr *ipv6_hdr(const struct sk_buff *skb) |
227 | { | |
228 | return (struct ipv6hdr *)skb_network_header(skb); | |
229 | } | |
230 | ||
39b89160 ACM |
231 | static inline struct ipv6hdr *ipipv6_hdr(const struct sk_buff *skb) |
232 | { | |
9c70220b | 233 | return (struct ipv6hdr *)skb_transport_header(skb); |
39b89160 ACM |
234 | } |
235 | ||
1da177e4 LT |
236 | /* |
237 | This structure contains results of exthdrs parsing | |
238 | as offsets from skb->nh. | |
239 | */ | |
240 | ||
241 | struct inet6_skb_parm { | |
242 | int iif; | |
243 | __u16 ra; | |
244 | __u16 hop; | |
245 | __u16 dst0; | |
246 | __u16 srcrt; | |
247 | __u16 dst1; | |
333fad53 | 248 | __u16 lastopt; |
951dbc8a | 249 | __u32 nhoff; |
3e3850e9 | 250 | __u16 flags; |
59fbb3a6 | 251 | #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) |
8dd7368d DM |
252 | __u16 dsthao; |
253 | #endif | |
3e3850e9 PM |
254 | |
255 | #define IP6SKB_XFRM_TRANSFORMED 1 | |
7bc570c8 | 256 | #define IP6SKB_FORWARDED 2 |
1da177e4 LT |
257 | }; |
258 | ||
259 | #define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb)) | |
260 | ||
505cbfc5 ACM |
261 | static inline int inet6_iif(const struct sk_buff *skb) |
262 | { | |
263 | return IP6CB(skb)->iif; | |
264 | } | |
265 | ||
ca304b61 | 266 | struct inet6_request_sock { |
2e6599cb ACM |
267 | struct in6_addr loc_addr; |
268 | struct in6_addr rmt_addr; | |
269 | struct sk_buff *pktopts; | |
270 | int iif; | |
271 | }; | |
272 | ||
ca304b61 ACM |
273 | struct tcp6_request_sock { |
274 | struct tcp_request_sock tcp6rsk_tcp; | |
275 | struct inet6_request_sock tcp6rsk_inet6; | |
276 | }; | |
2e6599cb | 277 | |
20283d84 HX |
278 | struct ipv6_mc_socklist; |
279 | struct ipv6_ac_socklist; | |
280 | struct ipv6_fl_socklist; | |
281 | ||
1da177e4 LT |
282 | /** |
283 | * struct ipv6_pinfo - ipv6 private area | |
284 | * | |
285 | * In the struct sock hierarchy (tcp6_sock, upd6_sock, etc) | |
286 | * this _must_ be the last member, so that inet6_sk_generic | |
287 | * is able to calculate its offset from the base struct sock | |
288 | * by using the struct proto->slab_obj_size member. -acme | |
289 | */ | |
290 | struct ipv6_pinfo { | |
291 | struct in6_addr saddr; | |
292 | struct in6_addr rcv_saddr; | |
293 | struct in6_addr daddr; | |
b24a2516 | 294 | struct in6_pktinfo sticky_pktinfo; |
1da177e4 | 295 | struct in6_addr *daddr_cache; |
8e1ef0a9 YH |
296 | #ifdef CONFIG_IPV6_SUBTREES |
297 | struct in6_addr *saddr_cache; | |
298 | #endif | |
1da177e4 | 299 | |
90bcaf7b | 300 | __be32 flow_label; |
1da177e4 | 301 | __u32 frag_size; |
1d5d236d YH |
302 | |
303 | /* | |
304 | * Packed in 16bits. | |
305 | * Omit one shift by by putting the signed field at MSB. | |
306 | */ | |
307 | #if defined(__BIG_ENDIAN_BITFIELD) | |
308 | __s16 hop_limit:9; | |
309 | __u16 __unused_1:7; | |
310 | #else | |
311 | __u16 __unused_1:7; | |
312 | __s16 hop_limit:9; | |
313 | #endif | |
314 | ||
315 | #if defined(__BIG_ENDIAN_BITFIELD) | |
316 | /* Packed in 16bits. */ | |
317 | __s16 mcast_hops:9; | |
318 | __u16 __unused_2:6, | |
319 | mc_loop:1; | |
320 | #else | |
321 | __u16 mc_loop:1, | |
322 | __unused_2:6; | |
323 | __s16 mcast_hops:9; | |
324 | #endif | |
1da177e4 LT |
325 | int mcast_oif; |
326 | ||
327 | /* pktoption flags */ | |
328 | union { | |
329 | struct { | |
4c752098 YH |
330 | __u16 srcrt:1, |
331 | osrcrt:1, | |
1da177e4 | 332 | rxinfo:1, |
333fad53 | 333 | rxoinfo:1, |
1da177e4 | 334 | rxhlim:1, |
333fad53 | 335 | rxohlim:1, |
1da177e4 | 336 | hopopts:1, |
333fad53 | 337 | ohopopts:1, |
1da177e4 | 338 | dstopts:1, |
333fad53 | 339 | odstopts:1, |
41a1f8ea | 340 | rxflow:1, |
793b1473 BH |
341 | rxtclass:1, |
342 | rxpmtu:1; | |
1da177e4 | 343 | } bits; |
333fad53 | 344 | __u16 all; |
1da177e4 LT |
345 | } rxopt; |
346 | ||
347 | /* sockopt flags */ | |
793b1473 | 348 | __u16 recverr:1, |
1da177e4 LT |
349 | sndflow:1, |
350 | pmtudisc:2, | |
7cbca67c | 351 | ipv6only:1, |
793b1473 | 352 | srcprefs:3, /* 001: prefer temporary address |
7cbca67c YH |
353 | * 010: prefer public address |
354 | * 100: prefer care-of address | |
355 | */ | |
793b1473 | 356 | dontfrag:1; |
e802af9c | 357 | __u8 min_hopcount; |
41a1f8ea | 358 | __u8 tclass; |
793b1473 | 359 | __u8 padding; |
1da177e4 LT |
360 | |
361 | __u32 dst_cookie; | |
362 | ||
363 | struct ipv6_mc_socklist *ipv6_mc_list; | |
364 | struct ipv6_ac_socklist *ipv6_ac_list; | |
365 | struct ipv6_fl_socklist *ipv6_fl_list; | |
366 | ||
367 | struct ipv6_txoptions *opt; | |
368 | struct sk_buff *pktoptions; | |
369 | struct { | |
370 | struct ipv6_txoptions *opt; | |
47254745 YH |
371 | u8 hop_limit; |
372 | u8 tclass; | |
1da177e4 LT |
373 | } cork; |
374 | }; | |
375 | ||
376 | /* WARNING: don't change the layout of the members in {raw,udp,tcp}6_sock! */ | |
377 | struct raw6_sock { | |
378 | /* inet_sock has to be the first member of raw6_sock */ | |
379 | struct inet_sock inet; | |
380 | __u32 checksum; /* perform checksum */ | |
381 | __u32 offset; /* checksum offset */ | |
382 | struct icmp6_filter filter; | |
383 | /* ipv6_pinfo has to be the last member of raw6_sock, see inet6_sk_generic */ | |
384 | struct ipv6_pinfo inet6; | |
385 | }; | |
386 | ||
387 | struct udp6_sock { | |
388 | struct udp_sock udp; | |
389 | /* ipv6_pinfo has to be the last member of udp6_sock, see inet6_sk_generic */ | |
390 | struct ipv6_pinfo inet6; | |
391 | }; | |
392 | ||
393 | struct tcp6_sock { | |
394 | struct tcp_sock tcp; | |
395 | /* ipv6_pinfo has to be the last member of tcp6_sock, see inet6_sk_generic */ | |
396 | struct ipv6_pinfo inet6; | |
397 | }; | |
398 | ||
b9750ce1 ACM |
399 | extern int inet6_sk_rebuild_header(struct sock *sk); |
400 | ||
1da177e4 LT |
401 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) |
402 | static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk) | |
403 | { | |
404 | return inet_sk(__sk)->pinet6; | |
405 | } | |
406 | ||
ca304b61 ACM |
407 | static inline struct inet6_request_sock * |
408 | inet6_rsk(const struct request_sock *rsk) | |
409 | { | |
410 | return (struct inet6_request_sock *)(((u8 *)rsk) + | |
411 | inet_rsk(rsk)->inet6_rsk_offset); | |
412 | } | |
413 | ||
414 | static inline u32 inet6_rsk_offset(struct request_sock *rsk) | |
415 | { | |
416 | return rsk->rsk_ops->obj_size - sizeof(struct inet6_request_sock); | |
417 | } | |
418 | ||
419 | static inline struct request_sock *inet6_reqsk_alloc(struct request_sock_ops *ops) | |
420 | { | |
421 | struct request_sock *req = reqsk_alloc(ops); | |
422 | ||
ce4a7d0d | 423 | if (req != NULL) { |
ca304b61 | 424 | inet_rsk(req)->inet6_rsk_offset = inet6_rsk_offset(req); |
ce4a7d0d ACM |
425 | inet6_rsk(req)->pktopts = NULL; |
426 | } | |
ca304b61 ACM |
427 | |
428 | return req; | |
429 | } | |
430 | ||
1da177e4 LT |
431 | static inline struct raw6_sock *raw6_sk(const struct sock *sk) |
432 | { | |
433 | return (struct raw6_sock *)sk; | |
434 | } | |
435 | ||
436 | static inline void inet_sk_copy_descendant(struct sock *sk_to, | |
437 | const struct sock *sk_from) | |
438 | { | |
439 | int ancestor_size = sizeof(struct inet_sock); | |
440 | ||
441 | if (sk_from->sk_family == PF_INET6) | |
442 | ancestor_size += sizeof(struct ipv6_pinfo); | |
443 | ||
444 | __inet_sk_copy_descendant(sk_to, sk_from, ancestor_size); | |
445 | } | |
446 | ||
447 | #define __ipv6_only_sock(sk) (inet6_sk(sk)->ipv6only) | |
448 | #define ipv6_only_sock(sk) ((sk)->sk_family == PF_INET6 && __ipv6_only_sock(sk)) | |
8feaf0c0 | 449 | |
0fa1a53e ACM |
450 | struct inet6_timewait_sock { |
451 | struct in6_addr tw_v6_daddr; | |
452 | struct in6_addr tw_v6_rcv_saddr; | |
453 | }; | |
454 | ||
8feaf0c0 | 455 | struct tcp6_timewait_sock { |
0fa1a53e ACM |
456 | struct tcp_timewait_sock tcp6tw_tcp; |
457 | struct inet6_timewait_sock tcp6tw_inet6; | |
8feaf0c0 ACM |
458 | }; |
459 | ||
0fa1a53e ACM |
460 | static inline u16 inet6_tw_offset(const struct proto *prot) |
461 | { | |
6d6ee43e ACM |
462 | return prot->twsk_prot->twsk_obj_size - |
463 | sizeof(struct inet6_timewait_sock); | |
0fa1a53e ACM |
464 | } |
465 | ||
466 | static inline struct inet6_timewait_sock *inet6_twsk(const struct sock *sk) | |
8feaf0c0 | 467 | { |
0fa1a53e ACM |
468 | return (struct inet6_timewait_sock *)(((u8 *)sk) + |
469 | inet_twsk(sk)->tw_ipv6_offset); | |
8feaf0c0 ACM |
470 | } |
471 | ||
0fa1a53e | 472 | static inline struct in6_addr *__inet6_rcv_saddr(const struct sock *sk) |
8feaf0c0 ACM |
473 | { |
474 | return likely(sk->sk_state != TCP_TIME_WAIT) ? | |
0fa1a53e | 475 | &inet6_sk(sk)->rcv_saddr : &inet6_twsk(sk)->tw_v6_rcv_saddr; |
8feaf0c0 ACM |
476 | } |
477 | ||
0fa1a53e | 478 | static inline struct in6_addr *inet6_rcv_saddr(const struct sock *sk) |
8feaf0c0 | 479 | { |
0fa1a53e | 480 | return sk->sk_family == AF_INET6 ? __inet6_rcv_saddr(sk) : NULL; |
8feaf0c0 ACM |
481 | } |
482 | ||
463c84b9 | 483 | static inline int inet_v6_ipv6only(const struct sock *sk) |
8feaf0c0 ACM |
484 | { |
485 | return likely(sk->sk_state != TCP_TIME_WAIT) ? | |
3f421baa | 486 | ipv6_only_sock(sk) : inet_twsk(sk)->tw_ipv6only; |
8feaf0c0 | 487 | } |
1da177e4 LT |
488 | #else |
489 | #define __ipv6_only_sock(sk) 0 | |
490 | #define ipv6_only_sock(sk) 0 | |
491 | ||
492 | static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk) | |
493 | { | |
494 | return NULL; | |
495 | } | |
496 | ||
ca304b61 ACM |
497 | static inline struct inet6_request_sock * |
498 | inet6_rsk(const struct request_sock *rsk) | |
499 | { | |
500 | return NULL; | |
501 | } | |
502 | ||
1da177e4 LT |
503 | static inline struct raw6_sock *raw6_sk(const struct sock *sk) |
504 | { | |
505 | return NULL; | |
506 | } | |
507 | ||
0fa1a53e ACM |
508 | #define __inet6_rcv_saddr(__sk) NULL |
509 | #define inet6_rcv_saddr(__sk) NULL | |
8feaf0c0 | 510 | #define tcp_twsk_ipv6only(__sk) 0 |
463c84b9 | 511 | #define inet_v6_ipv6only(__sk) 0 |
8feaf0c0 | 512 | #endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */ |
1da177e4 | 513 | |
d86e0dac | 514 | #define INET6_MATCH(__sk, __net, __hash, __saddr, __daddr, __ports, __dif)\ |
3b1e0a65 | 515 | (((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net) && \ |
c720c7e8 | 516 | ((*((__portpair *)&(inet_sk(__sk)->inet_dport))) == (__ports)) && \ |
8feaf0c0 ACM |
517 | ((__sk)->sk_family == AF_INET6) && \ |
518 | ipv6_addr_equal(&inet6_sk(__sk)->daddr, (__saddr)) && \ | |
519 | ipv6_addr_equal(&inet6_sk(__sk)->rcv_saddr, (__daddr)) && \ | |
520 | (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif)))) | |
1da177e4 | 521 | |
d86e0dac | 522 | #define INET6_TW_MATCH(__sk, __net, __hash, __saddr, __daddr, __ports, __dif) \ |
3b1e0a65 | 523 | (((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net) && \ |
535174ef PE |
524 | (*((__portpair *)&(inet_twsk(__sk)->tw_dport)) == (__ports)) && \ |
525 | ((__sk)->sk_family == PF_INET6) && \ | |
526 | (ipv6_addr_equal(&inet6_twsk(__sk)->tw_v6_daddr, (__saddr))) && \ | |
527 | (ipv6_addr_equal(&inet6_twsk(__sk)->tw_v6_rcv_saddr, (__daddr))) && \ | |
528 | (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif)))) | |
529 | ||
8feaf0c0 ACM |
530 | #endif /* __KERNEL__ */ |
531 | ||
532 | #endif /* _IPV6_H */ |