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