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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
1da177e4 LT |
2 | #ifndef _LINUX_XFRM_H |
3 | #define _LINUX_XFRM_H | |
4 | ||
15e318bd | 5 | #include <linux/in6.h> |
1da177e4 LT |
6 | #include <linux/types.h> |
7 | ||
8 | /* All of the structures in this file may not change size as they are | |
9 | * passed into the kernel from userspace via netlink sockets. | |
10 | */ | |
11 | ||
12 | /* Structure to encapsulate addresses. I do not want to use | |
13 | * "standard" structure. My apologies. | |
14 | */ | |
d94d9fee | 15 | typedef union { |
737b5761 AV |
16 | __be32 a4; |
17 | __be32 a6[4]; | |
15e318bd | 18 | struct in6_addr in6; |
1da177e4 LT |
19 | } xfrm_address_t; |
20 | ||
21 | /* Ident of a specific xfrm_state. It is used on input to lookup | |
22 | * the state by (spi,daddr,ah/esp) or to store information about | |
23 | * spi, protocol and tunnel address on output. | |
24 | */ | |
d94d9fee | 25 | struct xfrm_id { |
1da177e4 | 26 | xfrm_address_t daddr; |
e037c39b | 27 | __be32 spi; |
1da177e4 LT |
28 | __u8 proto; |
29 | }; | |
30 | ||
df71837d TJ |
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 | /* Security Context Domains of Interpretation */ | |
40 | #define XFRM_SC_DOI_RESERVED 0 | |
41 | #define XFRM_SC_DOI_LSM 1 | |
42 | ||
43 | /* Security Context Algorithms */ | |
44 | #define XFRM_SC_ALG_RESERVED 0 | |
45 | #define XFRM_SC_ALG_SELINUX 1 | |
46 | ||
1da177e4 LT |
47 | /* Selector, used as selector both on policy rules (SPD) and SAs. */ |
48 | ||
d94d9fee | 49 | struct xfrm_selector { |
1da177e4 LT |
50 | xfrm_address_t daddr; |
51 | xfrm_address_t saddr; | |
8f83f23e AV |
52 | __be16 dport; |
53 | __be16 dport_mask; | |
54 | __be16 sport; | |
55 | __be16 sport_mask; | |
1da177e4 LT |
56 | __u16 family; |
57 | __u8 prefixlen_d; | |
58 | __u8 prefixlen_s; | |
59 | __u8 proto; | |
60 | int ifindex; | |
85efde6f | 61 | __kernel_uid32_t user; |
1da177e4 LT |
62 | }; |
63 | ||
64 | #define XFRM_INF (~(__u64)0) | |
65 | ||
d94d9fee | 66 | struct xfrm_lifetime_cfg { |
1da177e4 LT |
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 | ||
d94d9fee | 77 | struct xfrm_lifetime_cur { |
1da177e4 LT |
78 | __u64 bytes; |
79 | __u64 packets; | |
80 | __u64 add_time; | |
81 | __u64 use_time; | |
82 | }; | |
83 | ||
d94d9fee | 84 | struct xfrm_replay_state { |
1da177e4 LT |
85 | __u32 oseq; |
86 | __u32 seq; | |
87 | __u32 bitmap; | |
88 | }; | |
89 | ||
ecd79187 MK |
90 | #define XFRMA_REPLAY_ESN_MAX 4096 |
91 | ||
9736acf3 SK |
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 | ||
1da177e4 | 102 | struct xfrm_algo { |
3f4afb64 | 103 | char alg_name[64]; |
ba749ae9 | 104 | unsigned int alg_key_len; /* in bits */ |
3f4afb64 | 105 | char alg_key[0]; |
1da177e4 LT |
106 | }; |
107 | ||
4e242d16 MW |
108 | struct xfrm_algo_auth { |
109 | char alg_name[64]; | |
110 | unsigned int alg_key_len; /* in bits */ | |
111 | unsigned int alg_trunc_len; /* in bits */ | |
112 | char alg_key[0]; | |
113 | }; | |
114 | ||
1a6509d9 | 115 | struct xfrm_algo_aead { |
461e6c85 ED |
116 | char alg_name[64]; |
117 | unsigned int alg_key_len; /* in bits */ | |
118 | unsigned int alg_icv_len; /* in bits */ | |
119 | char alg_key[0]; | |
1a6509d9 HX |
120 | }; |
121 | ||
1da177e4 LT |
122 | struct xfrm_stats { |
123 | __u32 replay_window; | |
124 | __u32 replay; | |
125 | __u32 integrity_failed; | |
126 | }; | |
127 | ||
d94d9fee | 128 | enum { |
4e81bb83 MN |
129 | XFRM_POLICY_TYPE_MAIN = 0, |
130 | XFRM_POLICY_TYPE_SUB = 1, | |
4c563f76 TT |
131 | XFRM_POLICY_TYPE_MAX = 2, |
132 | XFRM_POLICY_TYPE_ANY = 255 | |
4e81bb83 MN |
133 | }; |
134 | ||
d94d9fee | 135 | enum { |
1da177e4 LT |
136 | XFRM_POLICY_IN = 0, |
137 | XFRM_POLICY_OUT = 1, | |
138 | XFRM_POLICY_FWD = 2, | |
d5422efe | 139 | XFRM_POLICY_MASK = 3, |
1da177e4 LT |
140 | XFRM_POLICY_MAX = 3 |
141 | }; | |
142 | ||
d94d9fee | 143 | enum { |
1da177e4 LT |
144 | XFRM_SHARE_ANY, /* No limitations */ |
145 | XFRM_SHARE_SESSION, /* For this session only */ | |
146 | XFRM_SHARE_USER, /* For this user only */ | |
147 | XFRM_SHARE_UNIQUE /* Use once */ | |
148 | }; | |
149 | ||
b59f45d0 HX |
150 | #define XFRM_MODE_TRANSPORT 0 |
151 | #define XFRM_MODE_TUNNEL 1 | |
7e49e6de MN |
152 | #define XFRM_MODE_ROUTEOPTIMIZATION 2 |
153 | #define XFRM_MODE_IN_TRIGGER 3 | |
0a69452c DB |
154 | #define XFRM_MODE_BEET 4 |
155 | #define XFRM_MODE_MAX 5 | |
b59f45d0 | 156 | |
1da177e4 LT |
157 | /* Netlink configuration messages. */ |
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 | ||
f8cd5488 JHS |
195 | XFRM_MSG_NEWAE, |
196 | #define XFRM_MSG_NEWAE XFRM_MSG_NEWAE | |
197 | XFRM_MSG_GETAE, | |
198 | #define XFRM_MSG_GETAE XFRM_MSG_GETAE | |
97a64b45 MN |
199 | |
200 | XFRM_MSG_REPORT, | |
201 | #define XFRM_MSG_REPORT XFRM_MSG_REPORT | |
202 | ||
80c9abaa SS |
203 | XFRM_MSG_MIGRATE, |
204 | #define XFRM_MSG_MIGRATE XFRM_MSG_MIGRATE | |
205 | ||
28d8909b JHS |
206 | XFRM_MSG_NEWSADINFO, |
207 | #define XFRM_MSG_NEWSADINFO XFRM_MSG_NEWSADINFO | |
208 | XFRM_MSG_GETSADINFO, | |
209 | #define XFRM_MSG_GETSADINFO XFRM_MSG_GETSADINFO | |
ecfd6b18 JHS |
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 | |
3a2dfbe8 MW |
215 | |
216 | XFRM_MSG_MAPPING, | |
217 | #define XFRM_MSG_MAPPING XFRM_MSG_MAPPING | |
526bdb80 | 218 | __XFRM_MSG_MAX |
1da177e4 | 219 | }; |
526bdb80 | 220 | #define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1) |
1da177e4 | 221 | |
492b558b TG |
222 | #define XFRM_NR_MSGTYPES (XFRM_MSG_MAX + 1 - XFRM_MSG_BASE) |
223 | ||
df71837d TJ |
224 | /* |
225 | * Generic LSM security context for comunicating to user space | |
226 | * NOTE: Same format as sadb_x_sec_ctx | |
227 | */ | |
228 | struct xfrm_user_sec_ctx { | |
229 | __u16 len; | |
230 | __u16 exttype; | |
231 | __u8 ctx_alg; /* LSMs: e.g., selinux == 1 */ | |
232 | __u8 ctx_doi; | |
233 | __u16 ctx_len; | |
234 | }; | |
235 | ||
1da177e4 LT |
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; | |
d5a0a1e3 AV |
251 | __be16 encap_sport; |
252 | __be16 encap_dport; | |
1da177e4 LT |
253 | xfrm_address_t encap_oa; |
254 | }; | |
255 | ||
f8cd5488 JHS |
256 | /* AEVENT flags */ |
257 | enum xfrm_ae_ftype_t { | |
258 | XFRM_AE_UNSPEC, | |
259 | XFRM_AE_RTHR=1, /* replay threshold*/ | |
260 | XFRM_AE_RVAL=2, /* replay value */ | |
261 | XFRM_AE_LVAL=4, /* lifetime value */ | |
262 | XFRM_AE_ETHR=8, /* expiry timer threshold */ | |
263 | XFRM_AE_CR=16, /* Event cause is replay update */ | |
264 | XFRM_AE_CE=32, /* Event cause is timer expiry */ | |
265 | XFRM_AE_CU=64, /* Event cause is policy update */ | |
266 | __XFRM_AE_MAX | |
267 | ||
268 | #define XFRM_AE_MAX (__XFRM_AE_MAX - 1) | |
269 | }; | |
270 | ||
f7b6983f MN |
271 | struct xfrm_userpolicy_type { |
272 | __u8 type; | |
273 | __u16 reserved1; | |
274 | __u8 reserved2; | |
275 | }; | |
276 | ||
1da177e4 LT |
277 | /* Netlink message attributes. */ |
278 | enum xfrm_attr_type_t { | |
279 | XFRMA_UNSPEC, | |
280 | XFRMA_ALG_AUTH, /* struct xfrm_algo */ | |
281 | XFRMA_ALG_CRYPT, /* struct xfrm_algo */ | |
282 | XFRMA_ALG_COMP, /* struct xfrm_algo */ | |
283 | XFRMA_ENCAP, /* struct xfrm_algo + struct xfrm_encap_tmpl */ | |
284 | XFRMA_TMPL, /* 1 or more struct xfrm_user_tmpl */ | |
bf825f81 JHS |
285 | XFRMA_SA, /* struct xfrm_usersa_info */ |
286 | XFRMA_POLICY, /*struct xfrm_userpolicy_info */ | |
df71837d | 287 | XFRMA_SEC_CTX, /* struct xfrm_sec_ctx */ |
f8cd5488 JHS |
288 | XFRMA_LTIME_VAL, |
289 | XFRMA_REPLAY_VAL, | |
290 | XFRMA_REPLAY_THRESH, | |
291 | XFRMA_ETIMER_THRESH, | |
eb2971b6 | 292 | XFRMA_SRCADDR, /* xfrm_address_t */ |
060f02a3 | 293 | XFRMA_COADDR, /* xfrm_address_t */ |
bf825f81 | 294 | XFRMA_LASTUSED, /* unsigned long */ |
f7b6983f | 295 | XFRMA_POLICY_TYPE, /* struct xfrm_userpolicy_type */ |
80c9abaa | 296 | XFRMA_MIGRATE, |
1a6509d9 | 297 | XFRMA_ALG_AEAD, /* struct xfrm_algo_aead */ |
13c1d189 | 298 | XFRMA_KMADDRESS, /* struct xfrm_user_kmaddress */ |
4e242d16 | 299 | XFRMA_ALG_AUTH_TRUNC, /* struct xfrm_algo_auth */ |
bf825f81 | 300 | XFRMA_MARK, /* struct xfrm_mark */ |
35d2856b | 301 | XFRMA_TFCPAD, /* __u32 */ |
34a3d4b2 | 302 | XFRMA_REPLAY_ESN_VAL, /* struct xfrm_replay_state_esn */ |
a947b0a9 | 303 | XFRMA_SA_EXTRA_FLAGS, /* __u32 */ |
d3623099 | 304 | XFRMA_PROTO, /* __u8 */ |
870a2df4 | 305 | XFRMA_ADDRESS_FILTER, /* struct xfrm_address_filter */ |
de95c4a4 | 306 | XFRMA_PAD, |
d77e38e6 | 307 | XFRMA_OFFLOAD_DEV, /* struct xfrm_state_offload */ |
077fbac4 | 308 | XFRMA_OUTPUT_MARK, /* __u32 */ |
1da177e4 LT |
309 | __XFRMA_MAX |
310 | ||
311 | #define XFRMA_MAX (__XFRMA_MAX - 1) | |
312 | }; | |
313 | ||
bf825f81 JHS |
314 | struct xfrm_mark { |
315 | __u32 v; /* value */ | |
316 | __u32 m; /* mask */ | |
317 | }; | |
318 | ||
28d8909b JHS |
319 | enum xfrm_sadattr_type_t { |
320 | XFRMA_SAD_UNSPEC, | |
af11e316 JHS |
321 | XFRMA_SAD_CNT, |
322 | XFRMA_SAD_HINFO, | |
28d8909b JHS |
323 | __XFRMA_SAD_MAX |
324 | ||
325 | #define XFRMA_SAD_MAX (__XFRMA_SAD_MAX - 1) | |
326 | }; | |
327 | ||
af11e316 JHS |
328 | struct xfrmu_sadhinfo { |
329 | __u32 sadhcnt; /* current hash bkts */ | |
330 | __u32 sadhmcnt; /* max allowed hash bkts */ | |
331 | }; | |
332 | ||
ecfd6b18 JHS |
333 | enum xfrm_spdattr_type_t { |
334 | XFRMA_SPD_UNSPEC, | |
5a6d3416 JHS |
335 | XFRMA_SPD_INFO, |
336 | XFRMA_SPD_HINFO, | |
880a6fab CG |
337 | XFRMA_SPD_IPV4_HTHRESH, |
338 | XFRMA_SPD_IPV6_HTHRESH, | |
ecfd6b18 JHS |
339 | __XFRMA_SPD_MAX |
340 | ||
341 | #define XFRMA_SPD_MAX (__XFRMA_SPD_MAX - 1) | |
342 | }; | |
343 | ||
5a6d3416 JHS |
344 | struct xfrmu_spdinfo { |
345 | __u32 incnt; | |
346 | __u32 outcnt; | |
347 | __u32 fwdcnt; | |
348 | __u32 inscnt; | |
349 | __u32 outscnt; | |
350 | __u32 fwdscnt; | |
351 | }; | |
352 | ||
353 | struct xfrmu_spdhinfo { | |
354 | __u32 spdhcnt; | |
355 | __u32 spdhmcnt; | |
356 | }; | |
357 | ||
880a6fab CG |
358 | struct xfrmu_spdhthresh { |
359 | __u8 lbits; | |
360 | __u8 rbits; | |
361 | }; | |
362 | ||
1da177e4 LT |
363 | struct xfrm_usersa_info { |
364 | struct xfrm_selector sel; | |
365 | struct xfrm_id id; | |
366 | xfrm_address_t saddr; | |
367 | struct xfrm_lifetime_cfg lft; | |
368 | struct xfrm_lifetime_cur curlft; | |
369 | struct xfrm_stats stats; | |
370 | __u32 seq; | |
371 | __u32 reqid; | |
372 | __u16 family; | |
7e49e6de | 373 | __u8 mode; /* XFRM_MODE_xxx */ |
1da177e4 LT |
374 | __u8 replay_window; |
375 | __u8 flags; | |
376 | #define XFRM_STATE_NOECN 1 | |
377 | #define XFRM_STATE_DECAP_DSCP 2 | |
dd87147e | 378 | #define XFRM_STATE_NOPMTUDISC 4 |
fbd9a5b4 | 379 | #define XFRM_STATE_WILDRECV 8 |
8b7817f3 | 380 | #define XFRM_STATE_ICMP 16 |
ccf9b3b8 | 381 | #define XFRM_STATE_AF_UNSPEC 32 |
fa9921e4 | 382 | #define XFRM_STATE_ALIGN4 64 |
9736acf3 | 383 | #define XFRM_STATE_ESN 128 |
1da177e4 LT |
384 | }; |
385 | ||
a947b0a9 ND |
386 | #define XFRM_SA_XFLAG_DONT_ENCAP_DSCP 1 |
387 | ||
1da177e4 LT |
388 | struct xfrm_usersa_id { |
389 | xfrm_address_t daddr; | |
9916ecb0 | 390 | __be32 spi; |
1da177e4 LT |
391 | __u16 family; |
392 | __u8 proto; | |
393 | }; | |
394 | ||
f8cd5488 | 395 | struct xfrm_aevent_id { |
f8cd5488 | 396 | struct xfrm_usersa_id sa_id; |
2b5f6dcc | 397 | xfrm_address_t saddr; |
4bf07ef3 | 398 | __u32 flags; |
2b5f6dcc | 399 | __u32 reqid; |
f8cd5488 JHS |
400 | }; |
401 | ||
1da177e4 LT |
402 | struct xfrm_userspi_info { |
403 | struct xfrm_usersa_info info; | |
404 | __u32 min; | |
405 | __u32 max; | |
406 | }; | |
407 | ||
408 | struct xfrm_userpolicy_info { | |
409 | struct xfrm_selector sel; | |
410 | struct xfrm_lifetime_cfg lft; | |
411 | struct xfrm_lifetime_cur curlft; | |
412 | __u32 priority; | |
413 | __u32 index; | |
414 | __u8 dir; | |
415 | __u8 action; | |
416 | #define XFRM_POLICY_ALLOW 0 | |
417 | #define XFRM_POLICY_BLOCK 1 | |
418 | __u8 flags; | |
419 | #define XFRM_POLICY_LOCALOK 1 /* Allow user to override global policy */ | |
8b7817f3 HX |
420 | /* Automatically expand selector to include matching ICMP payloads. */ |
421 | #define XFRM_POLICY_ICMP 2 | |
1da177e4 LT |
422 | __u8 share; |
423 | }; | |
424 | ||
425 | struct xfrm_userpolicy_id { | |
426 | struct xfrm_selector sel; | |
427 | __u32 index; | |
428 | __u8 dir; | |
429 | }; | |
430 | ||
431 | struct xfrm_user_acquire { | |
432 | struct xfrm_id id; | |
433 | xfrm_address_t saddr; | |
434 | struct xfrm_selector sel; | |
435 | struct xfrm_userpolicy_info policy; | |
436 | __u32 aalgos; | |
437 | __u32 ealgos; | |
438 | __u32 calgos; | |
439 | __u32 seq; | |
440 | }; | |
441 | ||
442 | struct xfrm_user_expire { | |
443 | struct xfrm_usersa_info state; | |
444 | __u8 hard; | |
445 | }; | |
446 | ||
447 | struct xfrm_user_polexpire { | |
448 | struct xfrm_userpolicy_info pol; | |
449 | __u8 hard; | |
450 | }; | |
451 | ||
452 | struct xfrm_usersa_flush { | |
453 | __u8 proto; | |
454 | }; | |
455 | ||
97a64b45 MN |
456 | struct xfrm_user_report { |
457 | __u8 proto; | |
458 | struct xfrm_selector sel; | |
459 | }; | |
460 | ||
13c1d189 AE |
461 | /* Used by MIGRATE to pass addresses IKE should use to perform |
462 | * SA negotiation with the peer */ | |
463 | struct xfrm_user_kmaddress { | |
464 | xfrm_address_t local; | |
465 | xfrm_address_t remote; | |
466 | __u32 reserved; | |
467 | __u16 family; | |
468 | }; | |
469 | ||
80c9abaa SS |
470 | struct xfrm_user_migrate { |
471 | xfrm_address_t old_daddr; | |
472 | xfrm_address_t old_saddr; | |
473 | xfrm_address_t new_daddr; | |
474 | xfrm_address_t new_saddr; | |
475 | __u8 proto; | |
476 | __u8 mode; | |
477 | __u16 reserved; | |
478 | __u32 reqid; | |
479 | __u16 old_family; | |
480 | __u16 new_family; | |
481 | }; | |
482 | ||
3a2dfbe8 MW |
483 | struct xfrm_user_mapping { |
484 | struct xfrm_usersa_id id; | |
485 | __u32 reqid; | |
486 | xfrm_address_t old_saddr; | |
487 | xfrm_address_t new_saddr; | |
488 | __be16 old_sport; | |
489 | __be16 new_sport; | |
490 | }; | |
491 | ||
870a2df4 | 492 | struct xfrm_address_filter { |
d3623099 ND |
493 | xfrm_address_t saddr; |
494 | xfrm_address_t daddr; | |
495 | __u16 family; | |
496 | __u8 splen; | |
497 | __u8 dplen; | |
498 | }; | |
499 | ||
d77e38e6 SK |
500 | struct xfrm_user_offload { |
501 | int ifindex; | |
502 | __u8 flags; | |
503 | }; | |
504 | #define XFRM_OFFLOAD_IPV6 1 | |
505 | #define XFRM_OFFLOAD_INBOUND 2 | |
506 | ||
ac6d439d PM |
507 | #ifndef __KERNEL__ |
508 | /* backwards compatibility for userspace */ | |
1da177e4 LT |
509 | #define XFRMGRP_ACQUIRE 1 |
510 | #define XFRMGRP_EXPIRE 2 | |
26b15dad JHS |
511 | #define XFRMGRP_SA 4 |
512 | #define XFRMGRP_POLICY 8 | |
93366c53 | 513 | #define XFRMGRP_REPORT 0x20 |
ac6d439d PM |
514 | #endif |
515 | ||
516 | enum xfrm_nlgroups { | |
517 | XFRMNLGRP_NONE, | |
518 | #define XFRMNLGRP_NONE XFRMNLGRP_NONE | |
519 | XFRMNLGRP_ACQUIRE, | |
520 | #define XFRMNLGRP_ACQUIRE XFRMNLGRP_ACQUIRE | |
521 | XFRMNLGRP_EXPIRE, | |
522 | #define XFRMNLGRP_EXPIRE XFRMNLGRP_EXPIRE | |
523 | XFRMNLGRP_SA, | |
524 | #define XFRMNLGRP_SA XFRMNLGRP_SA | |
525 | XFRMNLGRP_POLICY, | |
526 | #define XFRMNLGRP_POLICY XFRMNLGRP_POLICY | |
f8cd5488 JHS |
527 | XFRMNLGRP_AEVENTS, |
528 | #define XFRMNLGRP_AEVENTS XFRMNLGRP_AEVENTS | |
97a64b45 MN |
529 | XFRMNLGRP_REPORT, |
530 | #define XFRMNLGRP_REPORT XFRMNLGRP_REPORT | |
80c9abaa SS |
531 | XFRMNLGRP_MIGRATE, |
532 | #define XFRMNLGRP_MIGRATE XFRMNLGRP_MIGRATE | |
3a2dfbe8 MW |
533 | XFRMNLGRP_MAPPING, |
534 | #define XFRMNLGRP_MAPPING XFRMNLGRP_MAPPING | |
ac6d439d PM |
535 | __XFRMNLGRP_MAX |
536 | }; | |
537 | #define XFRMNLGRP_MAX (__XFRMNLGRP_MAX - 1) | |
1da177e4 LT |
538 | |
539 | #endif /* _LINUX_XFRM_H */ |