[JFFS2] Correct parameter names of jffs2_compress() in comments
[linux-2.6/mini2440.git] / include / linux / xfrm.h
blobfb0c215a3051a0e697d305c98067f39c25a2c790
1 #ifndef _LINUX_XFRM_H
2 #define _LINUX_XFRM_H
4 #include <linux/types.h>
6 /* All of the structures in this file may not change size as they are
7 * passed into the kernel from userspace via netlink sockets.
8 */
10 /* Structure to encapsulate addresses. I do not want to use
11 * "standard" structure. My apologies.
13 typedef union
15 __be32 a4;
16 __be32 a6[4];
17 } xfrm_address_t;
19 /* Ident of a specific xfrm_state. It is used on input to lookup
20 * the state by (spi,daddr,ah/esp) or to store information about
21 * spi, protocol and tunnel address on output.
23 struct xfrm_id
25 xfrm_address_t daddr;
26 __be32 spi;
27 __u8 proto;
30 struct xfrm_sec_ctx {
31 __u8 ctx_doi;
32 __u8 ctx_alg;
33 __u16 ctx_len;
34 __u32 ctx_sid;
35 char ctx_str[0];
38 /* Security Context Domains of Interpretation */
39 #define XFRM_SC_DOI_RESERVED 0
40 #define XFRM_SC_DOI_LSM 1
42 /* Security Context Algorithms */
43 #define XFRM_SC_ALG_RESERVED 0
44 #define XFRM_SC_ALG_SELINUX 1
46 /* Selector, used as selector both on policy rules (SPD) and SAs. */
48 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 uid_t user;
64 #define XFRM_INF (~(__u64)0)
66 struct xfrm_lifetime_cfg
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;
78 struct xfrm_lifetime_cur
80 __u64 bytes;
81 __u64 packets;
82 __u64 add_time;
83 __u64 use_time;
86 struct xfrm_replay_state
88 __u32 oseq;
89 __u32 seq;
90 __u32 bitmap;
93 struct xfrm_algo {
94 char alg_name[64];
95 unsigned int alg_key_len; /* in bits */
96 char alg_key[0];
99 struct xfrm_algo_aead {
100 char alg_name[64];
101 unsigned int alg_key_len; /* in bits */
102 unsigned int alg_icv_len; /* in bits */
103 char alg_key[0];
106 struct xfrm_stats {
107 __u32 replay_window;
108 __u32 replay;
109 __u32 integrity_failed;
112 enum
114 XFRM_POLICY_TYPE_MAIN = 0,
115 XFRM_POLICY_TYPE_SUB = 1,
116 XFRM_POLICY_TYPE_MAX = 2,
117 XFRM_POLICY_TYPE_ANY = 255
120 enum
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
129 enum
131 XFRM_SHARE_ANY, /* No limitations */
132 XFRM_SHARE_SESSION, /* For this session only */
133 XFRM_SHARE_USER, /* For this user only */
134 XFRM_SHARE_UNIQUE /* Use once */
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
144 /* Netlink configuration messages. */
145 enum {
146 XFRM_MSG_BASE = 0x10,
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
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
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
169 XFRM_MSG_UPDPOLICY,
170 #define XFRM_MSG_UPDPOLICY XFRM_MSG_UPDPOLICY
171 XFRM_MSG_UPDSA,
172 #define XFRM_MSG_UPDSA XFRM_MSG_UPDSA
174 XFRM_MSG_POLEXPIRE,
175 #define XFRM_MSG_POLEXPIRE XFRM_MSG_POLEXPIRE
177 XFRM_MSG_FLUSHSA,
178 #define XFRM_MSG_FLUSHSA XFRM_MSG_FLUSHSA
179 XFRM_MSG_FLUSHPOLICY,
180 #define XFRM_MSG_FLUSHPOLICY XFRM_MSG_FLUSHPOLICY
182 XFRM_MSG_NEWAE,
183 #define XFRM_MSG_NEWAE XFRM_MSG_NEWAE
184 XFRM_MSG_GETAE,
185 #define XFRM_MSG_GETAE XFRM_MSG_GETAE
187 XFRM_MSG_REPORT,
188 #define XFRM_MSG_REPORT XFRM_MSG_REPORT
190 XFRM_MSG_MIGRATE,
191 #define XFRM_MSG_MIGRATE XFRM_MSG_MIGRATE
193 XFRM_MSG_NEWSADINFO,
194 #define XFRM_MSG_NEWSADINFO XFRM_MSG_NEWSADINFO
195 XFRM_MSG_GETSADINFO,
196 #define XFRM_MSG_GETSADINFO XFRM_MSG_GETSADINFO
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
204 #define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
206 #define XFRM_NR_MSGTYPES (XFRM_MSG_MAX + 1 - XFRM_MSG_BASE)
209 * Generic LSM security context for comunicating to user space
210 * NOTE: Same format as sadb_x_sec_ctx
212 struct xfrm_user_sec_ctx {
213 __u16 len;
214 __u16 exttype;
215 __u8 ctx_alg; /* LSMs: e.g., selinux == 1 */
216 __u8 ctx_doi;
217 __u16 ctx_len;
220 struct 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;
233 struct xfrm_encap_tmpl {
234 __u16 encap_type;
235 __be16 encap_sport;
236 __be16 encap_dport;
237 xfrm_address_t encap_oa;
240 /* AEVENT flags */
241 enum xfrm_ae_ftype_t {
242 XFRM_AE_UNSPEC,
243 XFRM_AE_RTHR=1, /* replay threshold*/
244 XFRM_AE_RVAL=2, /* replay value */
245 XFRM_AE_LVAL=4, /* lifetime value */
246 XFRM_AE_ETHR=8, /* expiry timer threshold */
247 XFRM_AE_CR=16, /* Event cause is replay update */
248 XFRM_AE_CE=32, /* Event cause is timer expiry */
249 XFRM_AE_CU=64, /* Event cause is policy update */
250 __XFRM_AE_MAX
252 #define XFRM_AE_MAX (__XFRM_AE_MAX - 1)
255 struct xfrm_userpolicy_type {
256 __u8 type;
257 __u16 reserved1;
258 __u8 reserved2;
261 /* Netlink message attributes. */
262 enum xfrm_attr_type_t {
263 XFRMA_UNSPEC,
264 XFRMA_ALG_AUTH, /* struct xfrm_algo */
265 XFRMA_ALG_CRYPT, /* struct xfrm_algo */
266 XFRMA_ALG_COMP, /* struct xfrm_algo */
267 XFRMA_ENCAP, /* struct xfrm_algo + struct xfrm_encap_tmpl */
268 XFRMA_TMPL, /* 1 or more struct xfrm_user_tmpl */
269 XFRMA_SA,
270 XFRMA_POLICY,
271 XFRMA_SEC_CTX, /* struct xfrm_sec_ctx */
272 XFRMA_LTIME_VAL,
273 XFRMA_REPLAY_VAL,
274 XFRMA_REPLAY_THRESH,
275 XFRMA_ETIMER_THRESH,
276 XFRMA_SRCADDR, /* xfrm_address_t */
277 XFRMA_COADDR, /* xfrm_address_t */
278 XFRMA_LASTUSED,
279 XFRMA_POLICY_TYPE, /* struct xfrm_userpolicy_type */
280 XFRMA_MIGRATE,
281 XFRMA_ALG_AEAD, /* struct xfrm_algo_aead */
282 __XFRMA_MAX
284 #define XFRMA_MAX (__XFRMA_MAX - 1)
287 enum xfrm_sadattr_type_t {
288 XFRMA_SAD_UNSPEC,
289 XFRMA_SAD_CNT,
290 XFRMA_SAD_HINFO,
291 __XFRMA_SAD_MAX
293 #define XFRMA_SAD_MAX (__XFRMA_SAD_MAX - 1)
296 struct xfrmu_sadhinfo {
297 __u32 sadhcnt; /* current hash bkts */
298 __u32 sadhmcnt; /* max allowed hash bkts */
301 enum xfrm_spdattr_type_t {
302 XFRMA_SPD_UNSPEC,
303 XFRMA_SPD_INFO,
304 XFRMA_SPD_HINFO,
305 __XFRMA_SPD_MAX
307 #define XFRMA_SPD_MAX (__XFRMA_SPD_MAX - 1)
310 struct xfrmu_spdinfo {
311 __u32 incnt;
312 __u32 outcnt;
313 __u32 fwdcnt;
314 __u32 inscnt;
315 __u32 outscnt;
316 __u32 fwdscnt;
319 struct xfrmu_spdhinfo {
320 __u32 spdhcnt;
321 __u32 spdhmcnt;
324 struct xfrm_usersa_info {
325 struct xfrm_selector sel;
326 struct xfrm_id id;
327 xfrm_address_t saddr;
328 struct xfrm_lifetime_cfg lft;
329 struct xfrm_lifetime_cur curlft;
330 struct xfrm_stats stats;
331 __u32 seq;
332 __u32 reqid;
333 __u16 family;
334 __u8 mode; /* XFRM_MODE_xxx */
335 __u8 replay_window;
336 __u8 flags;
337 #define XFRM_STATE_NOECN 1
338 #define XFRM_STATE_DECAP_DSCP 2
339 #define XFRM_STATE_NOPMTUDISC 4
340 #define XFRM_STATE_WILDRECV 8
341 #define XFRM_STATE_ICMP 16
342 #define XFRM_STATE_AF_UNSPEC 32
345 struct xfrm_usersa_id {
346 xfrm_address_t daddr;
347 __be32 spi;
348 __u16 family;
349 __u8 proto;
352 struct xfrm_aevent_id {
353 struct xfrm_usersa_id sa_id;
354 xfrm_address_t saddr;
355 __u32 flags;
356 __u32 reqid;
359 struct xfrm_userspi_info {
360 struct xfrm_usersa_info info;
361 __u32 min;
362 __u32 max;
365 struct xfrm_userpolicy_info {
366 struct xfrm_selector sel;
367 struct xfrm_lifetime_cfg lft;
368 struct xfrm_lifetime_cur curlft;
369 __u32 priority;
370 __u32 index;
371 __u8 dir;
372 __u8 action;
373 #define XFRM_POLICY_ALLOW 0
374 #define XFRM_POLICY_BLOCK 1
375 __u8 flags;
376 #define XFRM_POLICY_LOCALOK 1 /* Allow user to override global policy */
377 /* Automatically expand selector to include matching ICMP payloads. */
378 #define XFRM_POLICY_ICMP 2
379 __u8 share;
382 struct xfrm_userpolicy_id {
383 struct xfrm_selector sel;
384 __u32 index;
385 __u8 dir;
388 struct xfrm_user_acquire {
389 struct xfrm_id id;
390 xfrm_address_t saddr;
391 struct xfrm_selector sel;
392 struct xfrm_userpolicy_info policy;
393 __u32 aalgos;
394 __u32 ealgos;
395 __u32 calgos;
396 __u32 seq;
399 struct xfrm_user_expire {
400 struct xfrm_usersa_info state;
401 __u8 hard;
404 struct xfrm_user_polexpire {
405 struct xfrm_userpolicy_info pol;
406 __u8 hard;
409 struct xfrm_usersa_flush {
410 __u8 proto;
413 struct xfrm_user_report {
414 __u8 proto;
415 struct xfrm_selector sel;
418 struct xfrm_user_migrate {
419 xfrm_address_t old_daddr;
420 xfrm_address_t old_saddr;
421 xfrm_address_t new_daddr;
422 xfrm_address_t new_saddr;
423 __u8 proto;
424 __u8 mode;
425 __u16 reserved;
426 __u32 reqid;
427 __u16 old_family;
428 __u16 new_family;
431 #ifndef __KERNEL__
432 /* backwards compatibility for userspace */
433 #define XFRMGRP_ACQUIRE 1
434 #define XFRMGRP_EXPIRE 2
435 #define XFRMGRP_SA 4
436 #define XFRMGRP_POLICY 8
437 #define XFRMGRP_REPORT 0x20
438 #endif
440 enum xfrm_nlgroups {
441 XFRMNLGRP_NONE,
442 #define XFRMNLGRP_NONE XFRMNLGRP_NONE
443 XFRMNLGRP_ACQUIRE,
444 #define XFRMNLGRP_ACQUIRE XFRMNLGRP_ACQUIRE
445 XFRMNLGRP_EXPIRE,
446 #define XFRMNLGRP_EXPIRE XFRMNLGRP_EXPIRE
447 XFRMNLGRP_SA,
448 #define XFRMNLGRP_SA XFRMNLGRP_SA
449 XFRMNLGRP_POLICY,
450 #define XFRMNLGRP_POLICY XFRMNLGRP_POLICY
451 XFRMNLGRP_AEVENTS,
452 #define XFRMNLGRP_AEVENTS XFRMNLGRP_AEVENTS
453 XFRMNLGRP_REPORT,
454 #define XFRMNLGRP_REPORT XFRMNLGRP_REPORT
455 XFRMNLGRP_MIGRATE,
456 #define XFRMNLGRP_MIGRATE XFRMNLGRP_MIGRATE
457 __XFRMNLGRP_MAX
459 #define XFRMNLGRP_MAX (__XFRMNLGRP_MAX - 1)
461 #endif /* _LINUX_XFRM_H */