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