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 uid_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 __XFRM_MSG_MAX
203};
204#define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
205
206#define XFRM_NR_MSGTYPES (XFRM_MSG_MAX + 1 - XFRM_MSG_BASE)
207
208
209
210
211
212struct xfrm_user_sec_ctx {
213 __u16 len;
214 __u16 exttype;
215 __u8 ctx_alg;
216 __u8 ctx_doi;
217 __u16 ctx_len;
218};
219
220struct xfrm_user_tmpl {
221 struct xfrm_id id;
222 __u16 family;
223 xfrm_address_t saddr;
224 __u32 reqid;
225 __u8 mode;
226 __u8 share;
227 __u8 optional;
228 __u32 aalgos;
229 __u32 ealgos;
230 __u32 calgos;
231};
232
233struct xfrm_encap_tmpl {
234 __u16 encap_type;
235 __be16 encap_sport;
236 __be16 encap_dport;
237 xfrm_address_t encap_oa;
238};
239
240
241enum xfrm_ae_ftype_t {
242 XFRM_AE_UNSPEC,
243 XFRM_AE_RTHR=1,
244 XFRM_AE_RVAL=2,
245 XFRM_AE_LVAL=4,
246 XFRM_AE_ETHR=8,
247 XFRM_AE_CR=16,
248 XFRM_AE_CE=32,
249 XFRM_AE_CU=64,
250 __XFRM_AE_MAX
251
252#define XFRM_AE_MAX (__XFRM_AE_MAX - 1)
253};
254
255struct xfrm_userpolicy_type {
256 __u8 type;
257 __u16 reserved1;
258 __u8 reserved2;
259};
260
261
262enum xfrm_attr_type_t {
263 XFRMA_UNSPEC,
264 XFRMA_ALG_AUTH,
265 XFRMA_ALG_CRYPT,
266 XFRMA_ALG_COMP,
267 XFRMA_ENCAP,
268 XFRMA_TMPL,
269 XFRMA_SA,
270 XFRMA_POLICY,
271 XFRMA_SEC_CTX,
272 XFRMA_LTIME_VAL,
273 XFRMA_REPLAY_VAL,
274 XFRMA_REPLAY_THRESH,
275 XFRMA_ETIMER_THRESH,
276 XFRMA_SRCADDR,
277 XFRMA_COADDR,
278 XFRMA_LASTUSED,
279 XFRMA_POLICY_TYPE,
280 XFRMA_MIGRATE,
281 XFRMA_ALG_AEAD,
282 XFRMA_KMADDRESS,
283 __XFRMA_MAX
284
285#define XFRMA_MAX (__XFRMA_MAX - 1)
286};
287
288enum xfrm_sadattr_type_t {
289 XFRMA_SAD_UNSPEC,
290 XFRMA_SAD_CNT,
291 XFRMA_SAD_HINFO,
292 __XFRMA_SAD_MAX
293
294#define XFRMA_SAD_MAX (__XFRMA_SAD_MAX - 1)
295};
296
297struct xfrmu_sadhinfo {
298 __u32 sadhcnt;
299 __u32 sadhmcnt;
300};
301
302enum xfrm_spdattr_type_t {
303 XFRMA_SPD_UNSPEC,
304 XFRMA_SPD_INFO,
305 XFRMA_SPD_HINFO,
306 __XFRMA_SPD_MAX
307
308#define XFRMA_SPD_MAX (__XFRMA_SPD_MAX - 1)
309};
310
311struct xfrmu_spdinfo {
312 __u32 incnt;
313 __u32 outcnt;
314 __u32 fwdcnt;
315 __u32 inscnt;
316 __u32 outscnt;
317 __u32 fwdscnt;
318};
319
320struct xfrmu_spdhinfo {
321 __u32 spdhcnt;
322 __u32 spdhmcnt;
323};
324
325struct xfrm_usersa_info {
326 struct xfrm_selector sel;
327 struct xfrm_id id;
328 xfrm_address_t saddr;
329 struct xfrm_lifetime_cfg lft;
330 struct xfrm_lifetime_cur curlft;
331 struct xfrm_stats stats;
332 __u32 seq;
333 __u32 reqid;
334 __u16 family;
335 __u8 mode;
336 __u8 replay_window;
337 __u8 flags;
338#define XFRM_STATE_NOECN 1
339#define XFRM_STATE_DECAP_DSCP 2
340#define XFRM_STATE_NOPMTUDISC 4
341#define XFRM_STATE_WILDRECV 8
342#define XFRM_STATE_ICMP 16
343#define XFRM_STATE_AF_UNSPEC 32
344};
345
346struct xfrm_usersa_id {
347 xfrm_address_t daddr;
348 __be32 spi;
349 __u16 family;
350 __u8 proto;
351};
352
353struct xfrm_aevent_id {
354 struct xfrm_usersa_id sa_id;
355 xfrm_address_t saddr;
356 __u32 flags;
357 __u32 reqid;
358};
359
360struct xfrm_userspi_info {
361 struct xfrm_usersa_info info;
362 __u32 min;
363 __u32 max;
364};
365
366struct xfrm_userpolicy_info {
367 struct xfrm_selector sel;
368 struct xfrm_lifetime_cfg lft;
369 struct xfrm_lifetime_cur curlft;
370 __u32 priority;
371 __u32 index;
372 __u8 dir;
373 __u8 action;
374#define XFRM_POLICY_ALLOW 0
375#define XFRM_POLICY_BLOCK 1
376 __u8 flags;
377#define XFRM_POLICY_LOCALOK 1
378
379#define XFRM_POLICY_ICMP 2
380 __u8 share;
381};
382
383struct xfrm_userpolicy_id {
384 struct xfrm_selector sel;
385 __u32 index;
386 __u8 dir;
387};
388
389struct xfrm_user_acquire {
390 struct xfrm_id id;
391 xfrm_address_t saddr;
392 struct xfrm_selector sel;
393 struct xfrm_userpolicy_info policy;
394 __u32 aalgos;
395 __u32 ealgos;
396 __u32 calgos;
397 __u32 seq;
398};
399
400struct xfrm_user_expire {
401 struct xfrm_usersa_info state;
402 __u8 hard;
403};
404
405struct xfrm_user_polexpire {
406 struct xfrm_userpolicy_info pol;
407 __u8 hard;
408};
409
410struct xfrm_usersa_flush {
411 __u8 proto;
412};
413
414struct xfrm_user_report {
415 __u8 proto;
416 struct xfrm_selector sel;
417};
418
419
420
421struct xfrm_user_kmaddress {
422 xfrm_address_t local;
423 xfrm_address_t remote;
424 __u32 reserved;
425 __u16 family;
426};
427
428struct xfrm_user_migrate {
429 xfrm_address_t old_daddr;
430 xfrm_address_t old_saddr;
431 xfrm_address_t new_daddr;
432 xfrm_address_t new_saddr;
433 __u8 proto;
434 __u8 mode;
435 __u16 reserved;
436 __u32 reqid;
437 __u16 old_family;
438 __u16 new_family;
439};
440
441#ifndef __KERNEL__
442
443#define XFRMGRP_ACQUIRE 1
444#define XFRMGRP_EXPIRE 2
445#define XFRMGRP_SA 4
446#define XFRMGRP_POLICY 8
447#define XFRMGRP_REPORT 0x20
448#endif
449
450enum xfrm_nlgroups {
451 XFRMNLGRP_NONE,
452#define XFRMNLGRP_NONE XFRMNLGRP_NONE
453 XFRMNLGRP_ACQUIRE,
454#define XFRMNLGRP_ACQUIRE XFRMNLGRP_ACQUIRE
455 XFRMNLGRP_EXPIRE,
456#define XFRMNLGRP_EXPIRE XFRMNLGRP_EXPIRE
457 XFRMNLGRP_SA,
458#define XFRMNLGRP_SA XFRMNLGRP_SA
459 XFRMNLGRP_POLICY,
460#define XFRMNLGRP_POLICY XFRMNLGRP_POLICY
461 XFRMNLGRP_AEVENTS,
462#define XFRMNLGRP_AEVENTS XFRMNLGRP_AEVENTS
463 XFRMNLGRP_REPORT,
464#define XFRMNLGRP_REPORT XFRMNLGRP_REPORT
465 XFRMNLGRP_MIGRATE,
466#define XFRMNLGRP_MIGRATE XFRMNLGRP_MIGRATE
467 __XFRMNLGRP_MAX
468};
469#define XFRMNLGRP_MAX (__XFRMNLGRP_MAX - 1)
470
471#endif
472
