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 | */ | |
09cd2b99 | 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; | |
09cd2b99 | 102 | } __attribute__((packed)); |
842426e7 | 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 | ||
7a3198a8 JB |
236 | static inline __u8 ipv6_tclass(const struct ipv6hdr *iph) |
237 | { | |
238 | return (ntohl(*(__be32 *)iph) >> 20) & 0xff; | |
239 | } | |
240 | ||
1da177e4 LT |
241 | /* |
242 | This structure contains results of exthdrs parsing | |
243 | as offsets from skb->nh. | |
244 | */ | |
245 | ||
246 | struct inet6_skb_parm { | |
247 | int iif; | |
248 | __u16 ra; | |
249 | __u16 hop; | |
250 | __u16 dst0; | |
251 | __u16 srcrt; | |
252 | __u16 dst1; | |
333fad53 | 253 | __u16 lastopt; |
e7c38157 | 254 | __u16 nhoff; |
3e3850e9 | 255 | __u16 flags; |
59fbb3a6 | 256 | #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) |
8dd7368d DM |
257 | __u16 dsthao; |
258 | #endif | |
4cdd3408 | 259 | __u16 frag_max_size; |
3e3850e9 PM |
260 | |
261 | #define IP6SKB_XFRM_TRANSFORMED 1 | |
7bc570c8 | 262 | #define IP6SKB_FORWARDED 2 |
9c6eb28a | 263 | #define IP6SKB_REROUTED 4 |
1da177e4 LT |
264 | }; |
265 | ||
266 | #define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb)) | |
4b340ae2 | 267 | #define IP6CBMTU(skb) ((struct ip6_mtuinfo *)((skb)->cb)) |
1da177e4 | 268 | |
505cbfc5 ACM |
269 | static inline int inet6_iif(const struct sk_buff *skb) |
270 | { | |
271 | return IP6CB(skb)->iif; | |
272 | } | |
273 | ||
ca304b61 | 274 | struct inet6_request_sock { |
2e6599cb ACM |
275 | struct in6_addr loc_addr; |
276 | struct in6_addr rmt_addr; | |
277 | struct sk_buff *pktopts; | |
278 | int iif; | |
279 | }; | |
280 | ||
ca304b61 ACM |
281 | struct tcp6_request_sock { |
282 | struct tcp_request_sock tcp6rsk_tcp; | |
283 | struct inet6_request_sock tcp6rsk_inet6; | |
284 | }; | |
2e6599cb | 285 | |
20283d84 HX |
286 | struct ipv6_mc_socklist; |
287 | struct ipv6_ac_socklist; | |
288 | struct ipv6_fl_socklist; | |
289 | ||
1da177e4 LT |
290 | /** |
291 | * struct ipv6_pinfo - ipv6 private area | |
292 | * | |
293 | * In the struct sock hierarchy (tcp6_sock, upd6_sock, etc) | |
294 | * this _must_ be the last member, so that inet6_sk_generic | |
295 | * is able to calculate its offset from the base struct sock | |
296 | * by using the struct proto->slab_obj_size member. -acme | |
297 | */ | |
298 | struct ipv6_pinfo { | |
299 | struct in6_addr saddr; | |
300 | struct in6_addr rcv_saddr; | |
301 | struct in6_addr daddr; | |
b24a2516 | 302 | struct in6_pktinfo sticky_pktinfo; |
d3818c92 | 303 | const struct in6_addr *daddr_cache; |
8e1ef0a9 | 304 | #ifdef CONFIG_IPV6_SUBTREES |
d3818c92 | 305 | const struct in6_addr *saddr_cache; |
8e1ef0a9 | 306 | #endif |
1da177e4 | 307 | |
90bcaf7b | 308 | __be32 flow_label; |
1da177e4 | 309 | __u32 frag_size; |
1d5d236d YH |
310 | |
311 | /* | |
312 | * Packed in 16bits. | |
313 | * Omit one shift by by putting the signed field at MSB. | |
314 | */ | |
315 | #if defined(__BIG_ENDIAN_BITFIELD) | |
316 | __s16 hop_limit:9; | |
317 | __u16 __unused_1:7; | |
318 | #else | |
319 | __u16 __unused_1:7; | |
320 | __s16 hop_limit:9; | |
321 | #endif | |
322 | ||
323 | #if defined(__BIG_ENDIAN_BITFIELD) | |
324 | /* Packed in 16bits. */ | |
325 | __s16 mcast_hops:9; | |
326 | __u16 __unused_2:6, | |
327 | mc_loop:1; | |
328 | #else | |
329 | __u16 mc_loop:1, | |
330 | __unused_2:6; | |
331 | __s16 mcast_hops:9; | |
332 | #endif | |
c4062dfc | 333 | int ucast_oif; |
1da177e4 LT |
334 | int mcast_oif; |
335 | ||
336 | /* pktoption flags */ | |
337 | union { | |
338 | struct { | |
4c752098 YH |
339 | __u16 srcrt:1, |
340 | osrcrt:1, | |
1da177e4 | 341 | rxinfo:1, |
333fad53 | 342 | rxoinfo:1, |
1da177e4 | 343 | rxhlim:1, |
333fad53 | 344 | rxohlim:1, |
1da177e4 | 345 | hopopts:1, |
333fad53 | 346 | ohopopts:1, |
1da177e4 | 347 | dstopts:1, |
333fad53 | 348 | odstopts:1, |
41a1f8ea | 349 | rxflow:1, |
793b1473 | 350 | rxtclass:1, |
6c468622 BS |
351 | rxpmtu:1, |
352 | rxorigdstaddr:1; | |
353 | /* 2 bits hole */ | |
1da177e4 | 354 | } bits; |
333fad53 | 355 | __u16 all; |
1da177e4 LT |
356 | } rxopt; |
357 | ||
358 | /* sockopt flags */ | |
793b1473 | 359 | __u16 recverr:1, |
1da177e4 LT |
360 | sndflow:1, |
361 | pmtudisc:2, | |
7cbca67c | 362 | ipv6only:1, |
793b1473 | 363 | srcprefs:3, /* 001: prefer temporary address |
7cbca67c YH |
364 | * 010: prefer public address |
365 | * 100: prefer care-of address | |
366 | */ | |
793b1473 | 367 | dontfrag:1; |
e802af9c | 368 | __u8 min_hopcount; |
41a1f8ea | 369 | __u8 tclass; |
4c507d28 | 370 | __u8 rcv_tclass; |
1da177e4 LT |
371 | |
372 | __u32 dst_cookie; | |
5d299f3d | 373 | __u32 rx_dst_cookie; |
1da177e4 | 374 | |
456b61bc | 375 | struct ipv6_mc_socklist __rcu *ipv6_mc_list; |
1da177e4 LT |
376 | struct ipv6_ac_socklist *ipv6_ac_list; |
377 | struct ipv6_fl_socklist *ipv6_fl_list; | |
378 | ||
379 | struct ipv6_txoptions *opt; | |
380 | struct sk_buff *pktoptions; | |
4b340ae2 | 381 | struct sk_buff *rxpmtu; |
1da177e4 LT |
382 | struct { |
383 | struct ipv6_txoptions *opt; | |
47254745 YH |
384 | u8 hop_limit; |
385 | u8 tclass; | |
1da177e4 LT |
386 | } cork; |
387 | }; | |
388 | ||
389 | /* WARNING: don't change the layout of the members in {raw,udp,tcp}6_sock! */ | |
390 | struct raw6_sock { | |
391 | /* inet_sock has to be the first member of raw6_sock */ | |
392 | struct inet_sock inet; | |
393 | __u32 checksum; /* perform checksum */ | |
394 | __u32 offset; /* checksum offset */ | |
395 | struct icmp6_filter filter; | |
d1db275d | 396 | __u32 ip6mr_table; |
1da177e4 LT |
397 | /* ipv6_pinfo has to be the last member of raw6_sock, see inet6_sk_generic */ |
398 | struct ipv6_pinfo inet6; | |
399 | }; | |
400 | ||
401 | struct udp6_sock { | |
402 | struct udp_sock udp; | |
403 | /* ipv6_pinfo has to be the last member of udp6_sock, see inet6_sk_generic */ | |
404 | struct ipv6_pinfo inet6; | |
405 | }; | |
406 | ||
407 | struct tcp6_sock { | |
408 | struct tcp_sock tcp; | |
409 | /* ipv6_pinfo has to be the last member of tcp6_sock, see inet6_sk_generic */ | |
410 | struct ipv6_pinfo inet6; | |
411 | }; | |
412 | ||
b9750ce1 ACM |
413 | extern int inet6_sk_rebuild_header(struct sock *sk); |
414 | ||
48ee3569 DM |
415 | struct inet6_timewait_sock { |
416 | struct in6_addr tw_v6_daddr; | |
417 | struct in6_addr tw_v6_rcv_saddr; | |
418 | }; | |
419 | ||
420 | struct tcp6_timewait_sock { | |
421 | struct tcp_timewait_sock tcp6tw_tcp; | |
422 | struct inet6_timewait_sock tcp6tw_inet6; | |
423 | }; | |
424 | ||
425 | static inline struct inet6_timewait_sock *inet6_twsk(const struct sock *sk) | |
426 | { | |
427 | return (struct inet6_timewait_sock *)(((u8 *)sk) + | |
428 | inet_twsk(sk)->tw_ipv6_offset); | |
429 | } | |
430 | ||
dfd56b8b | 431 | #if IS_ENABLED(CONFIG_IPV6) |
1da177e4 LT |
432 | static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk) |
433 | { | |
434 | return inet_sk(__sk)->pinet6; | |
435 | } | |
436 | ||
ca304b61 ACM |
437 | static inline struct inet6_request_sock * |
438 | inet6_rsk(const struct request_sock *rsk) | |
439 | { | |
440 | return (struct inet6_request_sock *)(((u8 *)rsk) + | |
441 | inet_rsk(rsk)->inet6_rsk_offset); | |
442 | } | |
443 | ||
444 | static inline u32 inet6_rsk_offset(struct request_sock *rsk) | |
445 | { | |
446 | return rsk->rsk_ops->obj_size - sizeof(struct inet6_request_sock); | |
447 | } | |
448 | ||
449 | static inline struct request_sock *inet6_reqsk_alloc(struct request_sock_ops *ops) | |
450 | { | |
451 | struct request_sock *req = reqsk_alloc(ops); | |
452 | ||
ce4a7d0d | 453 | if (req != NULL) { |
ca304b61 | 454 | inet_rsk(req)->inet6_rsk_offset = inet6_rsk_offset(req); |
ce4a7d0d ACM |
455 | inet6_rsk(req)->pktopts = NULL; |
456 | } | |
ca304b61 ACM |
457 | |
458 | return req; | |
459 | } | |
460 | ||
1da177e4 LT |
461 | static inline struct raw6_sock *raw6_sk(const struct sock *sk) |
462 | { | |
463 | return (struct raw6_sock *)sk; | |
464 | } | |
465 | ||
466 | static inline void inet_sk_copy_descendant(struct sock *sk_to, | |
467 | const struct sock *sk_from) | |
468 | { | |
469 | int ancestor_size = sizeof(struct inet_sock); | |
470 | ||
471 | if (sk_from->sk_family == PF_INET6) | |
472 | ancestor_size += sizeof(struct ipv6_pinfo); | |
473 | ||
474 | __inet_sk_copy_descendant(sk_to, sk_from, ancestor_size); | |
475 | } | |
476 | ||
477 | #define __ipv6_only_sock(sk) (inet6_sk(sk)->ipv6only) | |
478 | #define ipv6_only_sock(sk) ((sk)->sk_family == PF_INET6 && __ipv6_only_sock(sk)) | |
8feaf0c0 | 479 | |
0fa1a53e ACM |
480 | static inline u16 inet6_tw_offset(const struct proto *prot) |
481 | { | |
6d6ee43e ACM |
482 | return prot->twsk_prot->twsk_obj_size - |
483 | sizeof(struct inet6_timewait_sock); | |
0fa1a53e ACM |
484 | } |
485 | ||
0fa1a53e | 486 | static inline struct in6_addr *__inet6_rcv_saddr(const struct sock *sk) |
8feaf0c0 ACM |
487 | { |
488 | return likely(sk->sk_state != TCP_TIME_WAIT) ? | |
0fa1a53e | 489 | &inet6_sk(sk)->rcv_saddr : &inet6_twsk(sk)->tw_v6_rcv_saddr; |
8feaf0c0 ACM |
490 | } |
491 | ||
0fa1a53e | 492 | static inline struct in6_addr *inet6_rcv_saddr(const struct sock *sk) |
8feaf0c0 | 493 | { |
0fa1a53e | 494 | return sk->sk_family == AF_INET6 ? __inet6_rcv_saddr(sk) : NULL; |
8feaf0c0 ACM |
495 | } |
496 | ||
463c84b9 | 497 | static inline int inet_v6_ipv6only(const struct sock *sk) |
8feaf0c0 ACM |
498 | { |
499 | return likely(sk->sk_state != TCP_TIME_WAIT) ? | |
3f421baa | 500 | ipv6_only_sock(sk) : inet_twsk(sk)->tw_ipv6only; |
8feaf0c0 | 501 | } |
1da177e4 LT |
502 | #else |
503 | #define __ipv6_only_sock(sk) 0 | |
504 | #define ipv6_only_sock(sk) 0 | |
505 | ||
506 | static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk) | |
507 | { | |
508 | return NULL; | |
509 | } | |
510 | ||
ca304b61 ACM |
511 | static inline struct inet6_request_sock * |
512 | inet6_rsk(const struct request_sock *rsk) | |
513 | { | |
514 | return NULL; | |
515 | } | |
516 | ||
1da177e4 LT |
517 | static inline struct raw6_sock *raw6_sk(const struct sock *sk) |
518 | { | |
519 | return NULL; | |
520 | } | |
521 | ||
0fa1a53e ACM |
522 | #define __inet6_rcv_saddr(__sk) NULL |
523 | #define inet6_rcv_saddr(__sk) NULL | |
8feaf0c0 | 524 | #define tcp_twsk_ipv6only(__sk) 0 |
463c84b9 | 525 | #define inet_v6_ipv6only(__sk) 0 |
dfd56b8b | 526 | #endif /* IS_ENABLED(CONFIG_IPV6) */ |
1da177e4 | 527 | |
d86e0dac | 528 | #define INET6_MATCH(__sk, __net, __hash, __saddr, __daddr, __ports, __dif)\ |
3b1e0a65 | 529 | (((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net) && \ |
c720c7e8 | 530 | ((*((__portpair *)&(inet_sk(__sk)->inet_dport))) == (__ports)) && \ |
8feaf0c0 ACM |
531 | ((__sk)->sk_family == AF_INET6) && \ |
532 | ipv6_addr_equal(&inet6_sk(__sk)->daddr, (__saddr)) && \ | |
533 | ipv6_addr_equal(&inet6_sk(__sk)->rcv_saddr, (__daddr)) && \ | |
534 | (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif)))) | |
1da177e4 | 535 | |
d86e0dac | 536 | #define INET6_TW_MATCH(__sk, __net, __hash, __saddr, __daddr, __ports, __dif) \ |
3b1e0a65 | 537 | (((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net) && \ |
535174ef PE |
538 | (*((__portpair *)&(inet_twsk(__sk)->tw_dport)) == (__ports)) && \ |
539 | ((__sk)->sk_family == PF_INET6) && \ | |
540 | (ipv6_addr_equal(&inet6_twsk(__sk)->tw_v6_daddr, (__saddr))) && \ | |
541 | (ipv6_addr_equal(&inet6_twsk(__sk)->tw_v6_rcv_saddr, (__daddr))) && \ | |
542 | (!((__sk)->sk_bound_dev_if) || ((__sk)->sk_bound_dev_if == (__dif)))) | |
543 | ||
8feaf0c0 ACM |
544 | #endif /* __KERNEL__ */ |
545 | ||
546 | #endif /* _IPV6_H */ |