1
2 #ifndef _LINUX_XFRM_H
3 #define _LINUX_XFRM_H
4
5 #include <linux/in6.h>
6 #include <linux/types.h>
7
8
9
10
11
12
13
14
15 typedef union {
16 __be32 a4;
17 __be32 a6[4];
18 struct in6_addr in6;
19 } xfrm_address_t;
20
21
22
23
24
25 struct xfrm_id {
26 xfrm_address_t daddr;
27 __be32 spi;
28 __u8 proto;
29 };
30
31 struct xfrm_sec_ctx {
32 __u8 ctx_doi;
33 __u8 ctx_alg;
34 __u16 ctx_len;
35 __u32 ctx_sid;
36 char ctx_str[0];
37 };
38
39
40 #define XFRM_SC_DOI_RESERVED 0
41 #define XFRM_SC_DOI_LSM 1
42
43
44 #define XFRM_SC_ALG_RESERVED 0
45 #define XFRM_SC_ALG_SELINUX 1
46
47
48
49 struct xfrm_selector {
50 xfrm_address_t daddr;
51 xfrm_address_t saddr;
52 __be16 dport;
53 __be16 dport_mask;
54 __be16 sport;
55 __be16 sport_mask;
56 __u16 family;
57 __u8 prefixlen_d;
58 __u8 prefixlen_s;
59 __u8 proto;
60 int ifindex;
61 __kernel_uid32_t user;
62 };
63
64 #define XFRM_INF (~(__u64)0)
65
66 struct xfrm_lifetime_cfg {
67 __u64 soft_byte_limit;
68 __u64 hard_byte_limit;
69 __u64 soft_packet_limit;
70 __u64 hard_packet_limit;
71 __u64 soft_add_expires_seconds;
72 __u64 hard_add_expires_seconds;
73 __u64 soft_use_expires_seconds;
74 __u64 hard_use_expires_seconds;
75 };
76
77 struct xfrm_lifetime_cur {
78 __u64 bytes;
79 __u64 packets;
80 __u64 add_time;
81 __u64 use_time;
82 };
83
84 struct xfrm_replay_state {
85 __u32 oseq;
86 __u32 seq;
87 __u32 bitmap;
88 };
89
90 #define XFRMA_REPLAY_ESN_MAX 4096
91
92 struct xfrm_replay_state_esn {
93 unsigned int bmp_len;
94 __u32 oseq;
95 __u32 seq;
96 __u32 oseq_hi;
97 __u32 seq_hi;
98 __u32 replay_window;
99 __u32 bmp[0];
100 };
101
102 struct xfrm_algo {
103 char alg_name[64];
104 unsigned int alg_key_len;
105 char alg_key[0];
106 };
107
108 struct xfrm_algo_auth {
109 char alg_name[64];
110 unsigned int alg_key_len;
111 unsigned int alg_trunc_len;
112 char alg_key[0];
113 };
114
115 struct xfrm_algo_aead {
116 char alg_name[64];
117 unsigned int alg_key_len;
118 unsigned int alg_icv_len;
119 char alg_key[0];
120 };
121
122 struct xfrm_stats {
123 __u32 replay_window;
124 __u32 replay;
125 __u32 integrity_failed;
126 };
127
128 enum {
129 XFRM_POLICY_TYPE_MAIN = 0,
130 XFRM_POLICY_TYPE_SUB = 1,
131 XFRM_POLICY_TYPE_MAX = 2,
132 XFRM_POLICY_TYPE_ANY = 255
133 };
134
135 enum {
136 XFRM_POLICY_IN = 0,
137 XFRM_POLICY_OUT = 1,
138 XFRM_POLICY_FWD = 2,
139 XFRM_POLICY_MASK = 3,
140 XFRM_POLICY_MAX = 3
141 };
142
143 enum {
144 XFRM_SHARE_ANY,
145 XFRM_SHARE_SESSION,
146 XFRM_SHARE_USER,
147 XFRM_SHARE_UNIQUE
148 };
149
150 #define XFRM_MODE_TRANSPORT 0
151 #define XFRM_MODE_TUNNEL 1
152 #define XFRM_MODE_ROUTEOPTIMIZATION 2
153 #define XFRM_MODE_IN_TRIGGER 3
154 #define XFRM_MODE_BEET 4
155 #define XFRM_MODE_MAX 5
156
157
158 enum {
159 XFRM_MSG_BASE = 0x10,
160
161 XFRM_MSG_NEWSA = 0x10,
162 #define XFRM_MSG_NEWSA XFRM_MSG_NEWSA
163 XFRM_MSG_DELSA,
164 #define XFRM_MSG_DELSA XFRM_MSG_DELSA
165 XFRM_MSG_GETSA,
166 #define XFRM_MSG_GETSA XFRM_MSG_GETSA
167
168 XFRM_MSG_NEWPOLICY,
169 #define XFRM_MSG_NEWPOLICY XFRM_MSG_NEWPOLICY
170 XFRM_MSG_DELPOLICY,
171 #define XFRM_MSG_DELPOLICY XFRM_MSG_DELPOLICY
172 XFRM_MSG_GETPOLICY,
173 #define XFRM_MSG_GETPOLICY XFRM_MSG_GETPOLICY
174
175 XFRM_MSG_ALLOCSPI,
176 #define XFRM_MSG_ALLOCSPI XFRM_MSG_ALLOCSPI
177 XFRM_MSG_ACQUIRE,
178 #define XFRM_MSG_ACQUIRE XFRM_MSG_ACQUIRE
179 XFRM_MSG_EXPIRE,
180 #define XFRM_MSG_EXPIRE XFRM_MSG_EXPIRE
181
182 XFRM_MSG_UPDPOLICY,
183 #define XFRM_MSG_UPDPOLICY XFRM_MSG_UPDPOLICY
184 XFRM_MSG_UPDSA,
185 #define XFRM_MSG_UPDSA XFRM_MSG_UPDSA
186
187 XFRM_MSG_POLEXPIRE,
188 #define XFRM_MSG_POLEXPIRE XFRM_MSG_POLEXPIRE
189
190 XFRM_MSG_FLUSHSA,
191 #define XFRM_MSG_FLUSHSA XFRM_MSG_FLUSHSA
192 XFRM_MSG_FLUSHPOLICY,
193 #define XFRM_MSG_FLUSHPOLICY XFRM_MSG_FLUSHPOLICY
194
195 XFRM_MSG_NEWAE,
196 #define XFRM_MSG_NEWAE XFRM_MSG_NEWAE
197 XFRM_MSG_GETAE,
198 #define XFRM_MSG_GETAE XFRM_MSG_GETAE
199
200 XFRM_MSG_REPORT,
201 #define XFRM_MSG_REPORT XFRM_MSG_REPORT
202
203 XFRM_MSG_MIGRATE,
204 #define XFRM_MSG_MIGRATE XFRM_MSG_MIGRATE
205
206 XFRM_MSG_NEWSADINFO,
207 #define XFRM_MSG_NEWSADINFO XFRM_MSG_NEWSADINFO
208 XFRM_MSG_GETSADINFO,
209 #define XFRM_MSG_GETSADINFO XFRM_MSG_GETSADINFO
210
211 XFRM_MSG_NEWSPDINFO,
212 #define XFRM_MSG_NEWSPDINFO XFRM_MSG_NEWSPDINFO
213 XFRM_MSG_GETSPDINFO,
214 #define XFRM_MSG_GETSPDINFO XFRM_MSG_GETSPDINFO
215
216 XFRM_MSG_MAPPING,
217 #define XFRM_MSG_MAPPING XFRM_MSG_MAPPING
218 __XFRM_MSG_MAX
219 };
220 #define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
221
222 #define XFRM_NR_MSGTYPES (XFRM_MSG_MAX + 1 - XFRM_MSG_BASE)
223
224
225
226
227
228 struct xfrm_user_sec_ctx {
229 __u16 len;
230 __u16 exttype;
231 __u8 ctx_alg;
232 __u8 ctx_doi;
233 __u16 ctx_len;
234 };
235
236 struct xfrm_user_tmpl {
237 struct xfrm_id id;
238 __u16 family;
239 xfrm_address_t saddr;
240 __u32 reqid;
241 __u8 mode;
242 __u8 share;
243 __u8 optional;
244 __u32 aalgos;
245 __u32 ealgos;
246 __u32 calgos;
247 };
248
249 struct xfrm_encap_tmpl {
250 __u16 encap_type;
251 __be16 encap_sport;
252 __be16 encap_dport;
253 xfrm_address_t encap_oa;
254 };
255
256
257 enum xfrm_ae_ftype_t {
258 XFRM_AE_UNSPEC,
259 XFRM_AE_RTHR=1,
260 XFRM_AE_RVAL=2,
261 XFRM_AE_LVAL=4,
262 XFRM_AE_ETHR=8,
263 XFRM_AE_CR=16,
264 XFRM_AE_CE=32,
265 XFRM_AE_CU=64,
266 __XFRM_AE_MAX
267
268 #define XFRM_AE_MAX (__XFRM_AE_MAX - 1)
269 };
270
271 struct xfrm_userpolicy_type {
272 __u8 type;
273 __u16 reserved1;
274 __u8 reserved2;
275 };
276
277
278 enum xfrm_attr_type_t {
279 XFRMA_UNSPEC,
280 XFRMA_ALG_AUTH,
281 XFRMA_ALG_CRYPT,
282 XFRMA_ALG_COMP,
283 XFRMA_ENCAP,
284 XFRMA_TMPL,
285 XFRMA_SA,
286 XFRMA_POLICY,
287 XFRMA_SEC_CTX,
288 XFRMA_LTIME_VAL,
289 XFRMA_REPLAY_VAL,
290 XFRMA_REPLAY_THRESH,
291 XFRMA_ETIMER_THRESH,
292 XFRMA_SRCADDR,
293 XFRMA_COADDR,
294 XFRMA_LASTUSED,
295 XFRMA_POLICY_TYPE,
296 XFRMA_MIGRATE,
297 XFRMA_ALG_AEAD,
298 XFRMA_KMADDRESS,
299 XFRMA_ALG_AUTH_TRUNC,
300 XFRMA_MARK,
301 XFRMA_TFCPAD,
302 XFRMA_REPLAY_ESN_VAL,
303 XFRMA_SA_EXTRA_FLAGS,
304 XFRMA_PROTO,
305 XFRMA_ADDRESS_FILTER,
306 XFRMA_PAD,
307 XFRMA_OFFLOAD_DEV,
308 XFRMA_SET_MARK,
309 XFRMA_SET_MARK_MASK,
310 XFRMA_IF_ID,
311 __XFRMA_MAX
312
313 #define XFRMA_OUTPUT_MARK XFRMA_SET_MARK
314 #define XFRMA_MAX (__XFRMA_MAX - 1)
315 };
316
317 struct xfrm_mark {
318 __u32 v;
319 __u32 m;
320 };
321
322 enum xfrm_sadattr_type_t {
323 XFRMA_SAD_UNSPEC,
324 XFRMA_SAD_CNT,
325 XFRMA_SAD_HINFO,
326 __XFRMA_SAD_MAX
327
328 #define XFRMA_SAD_MAX (__XFRMA_SAD_MAX - 1)
329 };
330
331 struct xfrmu_sadhinfo {
332 __u32 sadhcnt;
333 __u32 sadhmcnt;
334 };
335
336 enum xfrm_spdattr_type_t {
337 XFRMA_SPD_UNSPEC,
338 XFRMA_SPD_INFO,
339 XFRMA_SPD_HINFO,
340 XFRMA_SPD_IPV4_HTHRESH,
341 XFRMA_SPD_IPV6_HTHRESH,
342 __XFRMA_SPD_MAX
343
344 #define XFRMA_SPD_MAX (__XFRMA_SPD_MAX - 1)
345 };
346
347 struct xfrmu_spdinfo {
348 __u32 incnt;
349 __u32 outcnt;
350 __u32 fwdcnt;
351 __u32 inscnt;
352 __u32 outscnt;
353 __u32 fwdscnt;
354 };
355
356 struct xfrmu_spdhinfo {
357 __u32 spdhcnt;
358 __u32 spdhmcnt;
359 };
360
361 struct xfrmu_spdhthresh {
362 __u8 lbits;
363 __u8 rbits;
364 };
365
366 struct xfrm_usersa_info {
367 struct xfrm_selector sel;
368 struct xfrm_id id;
369 xfrm_address_t saddr;
370 struct xfrm_lifetime_cfg lft;
371 struct xfrm_lifetime_cur curlft;
372 struct xfrm_stats stats;
373 __u32 seq;
374 __u32 reqid;
375 __u16 family;
376 __u8 mode;
377 __u8 replay_window;
378 __u8 flags;
379 #define XFRM_STATE_NOECN 1
380 #define XFRM_STATE_DECAP_DSCP 2
381 #define XFRM_STATE_NOPMTUDISC 4
382 #define XFRM_STATE_WILDRECV 8
383 #define XFRM_STATE_ICMP 16
384 #define XFRM_STATE_AF_UNSPEC 32
385 #define XFRM_STATE_ALIGN4 64
386 #define XFRM_STATE_ESN 128
387 };
388
389 #define XFRM_SA_XFLAG_DONT_ENCAP_DSCP 1
390
391 struct xfrm_usersa_id {
392 xfrm_address_t daddr;
393 __be32 spi;
394 __u16 family;
395 __u8 proto;
396 };
397
398 struct xfrm_aevent_id {
399 struct xfrm_usersa_id sa_id;
400 xfrm_address_t saddr;
401 __u32 flags;
402 __u32 reqid;
403 };
404
405 struct xfrm_userspi_info {
406 struct xfrm_usersa_info info;
407 __u32 min;
408 __u32 max;
409 };
410
411 struct xfrm_userpolicy_info {
412 struct xfrm_selector sel;
413 struct xfrm_lifetime_cfg lft;
414 struct xfrm_lifetime_cur curlft;
415 __u32 priority;
416 __u32 index;
417 __u8 dir;
418 __u8 action;
419 #define XFRM_POLICY_ALLOW 0
420 #define XFRM_POLICY_BLOCK 1
421 __u8 flags;
422 #define XFRM_POLICY_LOCALOK 1
423
424 #define XFRM_POLICY_ICMP 2
425 __u8 share;
426 };
427
428 struct xfrm_userpolicy_id {
429 struct xfrm_selector sel;
430 __u32 index;
431 __u8 dir;
432 };
433
434 struct xfrm_user_acquire {
435 struct xfrm_id id;
436 xfrm_address_t saddr;
437 struct xfrm_selector sel;
438 struct xfrm_userpolicy_info policy;
439 __u32 aalgos;
440 __u32 ealgos;
441 __u32 calgos;
442 __u32 seq;
443 };
444
445 struct xfrm_user_expire {
446 struct xfrm_usersa_info state;
447 __u8 hard;
448 };
449
450 struct xfrm_user_polexpire {
451 struct xfrm_userpolicy_info pol;
452 __u8 hard;
453 };
454
455 struct xfrm_usersa_flush {
456 __u8 proto;
457 };
458
459 struct xfrm_user_report {
460 __u8 proto;
461 struct xfrm_selector sel;
462 };
463
464
465
466 struct xfrm_user_kmaddress {
467 xfrm_address_t local;
468 xfrm_address_t remote;
469 __u32 reserved;
470 __u16 family;
471 };
472
473 struct xfrm_user_migrate {
474 xfrm_address_t old_daddr;
475 xfrm_address_t old_saddr;
476 xfrm_address_t new_daddr;
477 xfrm_address_t new_saddr;
478 __u8 proto;
479 __u8 mode;
480 __u16 reserved;
481 __u32 reqid;
482 __u16 old_family;
483 __u16 new_family;
484 };
485
486 struct xfrm_user_mapping {
487 struct xfrm_usersa_id id;
488 __u32 reqid;
489 xfrm_address_t old_saddr;
490 xfrm_address_t new_saddr;
491 __be16 old_sport;
492 __be16 new_sport;
493 };
494
495 struct xfrm_address_filter {
496 xfrm_address_t saddr;
497 xfrm_address_t daddr;
498 __u16 family;
499 __u8 splen;
500 __u8 dplen;
501 };
502
503 struct xfrm_user_offload {
504 int ifindex;
505 __u8 flags;
506 };
507 #define XFRM_OFFLOAD_IPV6 1
508 #define XFRM_OFFLOAD_INBOUND 2
509
510 #ifndef __KERNEL__
511
512 #define XFRMGRP_ACQUIRE 1
513 #define XFRMGRP_EXPIRE 2
514 #define XFRMGRP_SA 4
515 #define XFRMGRP_POLICY 8
516 #define XFRMGRP_REPORT 0x20
517 #endif
518
519 enum xfrm_nlgroups {
520 XFRMNLGRP_NONE,
521 #define XFRMNLGRP_NONE XFRMNLGRP_NONE
522 XFRMNLGRP_ACQUIRE,
523 #define XFRMNLGRP_ACQUIRE XFRMNLGRP_ACQUIRE
524 XFRMNLGRP_EXPIRE,
525 #define XFRMNLGRP_EXPIRE XFRMNLGRP_EXPIRE
526 XFRMNLGRP_SA,
527 #define XFRMNLGRP_SA XFRMNLGRP_SA
528 XFRMNLGRP_POLICY,
529 #define XFRMNLGRP_POLICY XFRMNLGRP_POLICY
530 XFRMNLGRP_AEVENTS,
531 #define XFRMNLGRP_AEVENTS XFRMNLGRP_AEVENTS
532 XFRMNLGRP_REPORT,
533 #define XFRMNLGRP_REPORT XFRMNLGRP_REPORT
534 XFRMNLGRP_MIGRATE,
535 #define XFRMNLGRP_MIGRATE XFRMNLGRP_MIGRATE
536 XFRMNLGRP_MAPPING,
537 #define XFRMNLGRP_MAPPING XFRMNLGRP_MAPPING
538 __XFRMNLGRP_MAX
539 };
540 #define XFRMNLGRP_MAX (__XFRMNLGRP_MAX - 1)
541
542 #endif