VIA CPU support: Detect and enable CPU features (RNG, ACE etc.).
[dragonfly.git] / sys / net / pfkeyv2.h
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984263bc 1/* $FreeBSD: src/sys/net/pfkeyv2.h,v 1.4.2.5 2003/01/31 23:21:01 sam Exp $ */
1bd40720 2/* $DragonFly: src/sys/net/pfkeyv2.h,v 1.3 2006/05/20 02:42:08 dillon Exp $ */
984263bc
MD
3/* $KAME: pfkeyv2.h,v 1.26 2001/06/27 10:49:49 sakane Exp $ */
4
5/*
6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34/*
35 * This file has been derived rfc 2367,
36 * And added some flags of SADB_KEY_FLAGS_ as SADB_X_EXT_.
37 * sakane@ydc.co.jp
38 */
39
40#ifndef _NET_PFKEYV2_H_
41#define _NET_PFKEYV2_H_
42
1bd40720
MD
43#ifndef _SYS_TYPES_H_
44#include <sys/types.h>
45#endif
46
984263bc
MD
47/*
48This file defines structures and symbols for the PF_KEY Version 2
49key management interface. It was written at the U.S. Naval Research
50Laboratory. This file is in the public domain. The authors ask that
51you leave this credit intact on any copies of this file.
52*/
53#ifndef __PFKEY_V2_H
54#define __PFKEY_V2_H 1
55
56#define PF_KEY_V2 2
57#define PFKEYV2_REVISION 199806L
58
59#define SADB_RESERVED 0
60#define SADB_GETSPI 1
61#define SADB_UPDATE 2
62#define SADB_ADD 3
63#define SADB_DELETE 4
64#define SADB_GET 5
65#define SADB_ACQUIRE 6
66#define SADB_REGISTER 7
67#define SADB_EXPIRE 8
68#define SADB_FLUSH 9
69#define SADB_DUMP 10
70#define SADB_X_PROMISC 11
71#define SADB_X_PCHANGE 12
72
73#define SADB_X_SPDUPDATE 13
74#define SADB_X_SPDADD 14
75#define SADB_X_SPDDELETE 15 /* by policy index */
76#define SADB_X_SPDGET 16
77#define SADB_X_SPDACQUIRE 17
78#define SADB_X_SPDDUMP 18
79#define SADB_X_SPDFLUSH 19
80#define SADB_X_SPDSETIDX 20
81#define SADB_X_SPDEXPIRE 21
82#define SADB_X_SPDDELETE2 22 /* by policy id */
83#define SADB_MAX 22
84
85struct sadb_msg {
86 u_int8_t sadb_msg_version;
87 u_int8_t sadb_msg_type;
88 u_int8_t sadb_msg_errno;
89 u_int8_t sadb_msg_satype;
90 u_int16_t sadb_msg_len;
91 u_int16_t sadb_msg_reserved;
92 u_int32_t sadb_msg_seq;
93 u_int32_t sadb_msg_pid;
94};
95
96struct sadb_ext {
97 u_int16_t sadb_ext_len;
98 u_int16_t sadb_ext_type;
99};
100
101struct sadb_sa {
102 u_int16_t sadb_sa_len;
103 u_int16_t sadb_sa_exttype;
104 u_int32_t sadb_sa_spi;
105 u_int8_t sadb_sa_replay;
106 u_int8_t sadb_sa_state;
107 u_int8_t sadb_sa_auth;
108 u_int8_t sadb_sa_encrypt;
109 u_int32_t sadb_sa_flags;
110};
111
112struct sadb_lifetime {
113 u_int16_t sadb_lifetime_len;
114 u_int16_t sadb_lifetime_exttype;
115 u_int32_t sadb_lifetime_allocations;
116 u_int64_t sadb_lifetime_bytes;
117 u_int64_t sadb_lifetime_addtime;
118 u_int64_t sadb_lifetime_usetime;
119};
120
121struct sadb_address {
122 u_int16_t sadb_address_len;
123 u_int16_t sadb_address_exttype;
124 u_int8_t sadb_address_proto;
125 u_int8_t sadb_address_prefixlen;
126 u_int16_t sadb_address_reserved;
127};
128
129struct sadb_key {
130 u_int16_t sadb_key_len;
131 u_int16_t sadb_key_exttype;
132 u_int16_t sadb_key_bits;
133 u_int16_t sadb_key_reserved;
134};
135
136struct sadb_ident {
137 u_int16_t sadb_ident_len;
138 u_int16_t sadb_ident_exttype;
139 u_int16_t sadb_ident_type;
140 u_int16_t sadb_ident_reserved;
141 u_int64_t sadb_ident_id;
142};
143
144struct sadb_sens {
145 u_int16_t sadb_sens_len;
146 u_int16_t sadb_sens_exttype;
147 u_int32_t sadb_sens_dpd;
148 u_int8_t sadb_sens_sens_level;
149 u_int8_t sadb_sens_sens_len;
150 u_int8_t sadb_sens_integ_level;
151 u_int8_t sadb_sens_integ_len;
152 u_int32_t sadb_sens_reserved;
153};
154
155struct sadb_prop {
156 u_int16_t sadb_prop_len;
157 u_int16_t sadb_prop_exttype;
158 u_int8_t sadb_prop_replay;
159 u_int8_t sadb_prop_reserved[3];
160};
161
162struct sadb_comb {
163 u_int8_t sadb_comb_auth;
164 u_int8_t sadb_comb_encrypt;
165 u_int16_t sadb_comb_flags;
166 u_int16_t sadb_comb_auth_minbits;
167 u_int16_t sadb_comb_auth_maxbits;
168 u_int16_t sadb_comb_encrypt_minbits;
169 u_int16_t sadb_comb_encrypt_maxbits;
170 u_int32_t sadb_comb_reserved;
171 u_int32_t sadb_comb_soft_allocations;
172 u_int32_t sadb_comb_hard_allocations;
173 u_int64_t sadb_comb_soft_bytes;
174 u_int64_t sadb_comb_hard_bytes;
175 u_int64_t sadb_comb_soft_addtime;
176 u_int64_t sadb_comb_hard_addtime;
177 u_int64_t sadb_comb_soft_usetime;
178 u_int64_t sadb_comb_hard_usetime;
179};
180
181struct sadb_supported {
182 u_int16_t sadb_supported_len;
183 u_int16_t sadb_supported_exttype;
184 u_int32_t sadb_supported_reserved;
185};
186
187struct sadb_alg {
188 u_int8_t sadb_alg_id;
189 u_int8_t sadb_alg_ivlen;
190 u_int16_t sadb_alg_minbits;
191 u_int16_t sadb_alg_maxbits;
192 u_int16_t sadb_alg_reserved;
193};
194
195struct sadb_spirange {
196 u_int16_t sadb_spirange_len;
197 u_int16_t sadb_spirange_exttype;
198 u_int32_t sadb_spirange_min;
199 u_int32_t sadb_spirange_max;
200 u_int32_t sadb_spirange_reserved;
201};
202
203struct sadb_x_kmprivate {
204 u_int16_t sadb_x_kmprivate_len;
205 u_int16_t sadb_x_kmprivate_exttype;
206 u_int32_t sadb_x_kmprivate_reserved;
207};
208
209/*
210 * XXX Additional SA Extension.
211 * mode: tunnel or transport
212 * reqid: to make SA unique nevertheless the address pair of SA are same.
213 * Mainly it's for VPN.
214 */
215struct sadb_x_sa2 {
216 u_int16_t sadb_x_sa2_len;
217 u_int16_t sadb_x_sa2_exttype;
218 u_int8_t sadb_x_sa2_mode;
219 u_int8_t sadb_x_sa2_reserved1;
220 u_int16_t sadb_x_sa2_reserved2;
221 u_int32_t sadb_x_sa2_sequence;
222 u_int32_t sadb_x_sa2_reqid;
223};
224
225/* XXX Policy Extension */
226/* sizeof(struct sadb_x_policy) == 16 */
227struct sadb_x_policy {
228 u_int16_t sadb_x_policy_len;
229 u_int16_t sadb_x_policy_exttype;
230 u_int16_t sadb_x_policy_type; /* See policy type of ipsec.h */
231 u_int8_t sadb_x_policy_dir; /* direction, see ipsec.h */
232 u_int8_t sadb_x_policy_reserved;
233 u_int32_t sadb_x_policy_id;
234 u_int32_t sadb_x_policy_reserved2;
235};
236/*
237 * When policy_type == IPSEC, it is followed by some of
238 * the ipsec policy request.
239 * [total length of ipsec policy requests]
240 * = (sadb_x_policy_len * sizeof(uint64_t) - sizeof(struct sadb_x_policy))
241 */
242
243/* XXX IPsec Policy Request Extension */
244/*
245 * This structure is aligned 8 bytes.
246 */
247struct sadb_x_ipsecrequest {
248 u_int16_t sadb_x_ipsecrequest_len; /* structure length aligned to 8 bytes.
249 * This value is true length of bytes.
250 * Not in units of 64 bits. */
251 u_int16_t sadb_x_ipsecrequest_proto; /* See ipsec.h */
252 u_int8_t sadb_x_ipsecrequest_mode; /* See IPSEC_MODE_XX in ipsec.h. */
253 u_int8_t sadb_x_ipsecrequest_level; /* See IPSEC_LEVEL_XX in ipsec.h */
254 u_int16_t sadb_x_ipsecrequest_reqid; /* See ipsec.h */
255
256 /*
257 * followed by source IP address of SA, and immediately followed by
258 * destination IP address of SA. These encoded into two of sockaddr
259 * structure without any padding. Must set each sa_len exactly.
260 * Each of length of the sockaddr structure are not aligned to 64bits,
261 * but sum of x_request and addresses is aligned to 64bits.
262 */
263};
264
265#define SADB_EXT_RESERVED 0
266#define SADB_EXT_SA 1
267#define SADB_EXT_LIFETIME_CURRENT 2
268#define SADB_EXT_LIFETIME_HARD 3
269#define SADB_EXT_LIFETIME_SOFT 4
270#define SADB_EXT_ADDRESS_SRC 5
271#define SADB_EXT_ADDRESS_DST 6
272#define SADB_EXT_ADDRESS_PROXY 7
273#define SADB_EXT_KEY_AUTH 8
274#define SADB_EXT_KEY_ENCRYPT 9
275#define SADB_EXT_IDENTITY_SRC 10
276#define SADB_EXT_IDENTITY_DST 11
277#define SADB_EXT_SENSITIVITY 12
278#define SADB_EXT_PROPOSAL 13
279#define SADB_EXT_SUPPORTED_AUTH 14
280#define SADB_EXT_SUPPORTED_ENCRYPT 15
281#define SADB_EXT_SPIRANGE 16
282#define SADB_X_EXT_KMPRIVATE 17
283#define SADB_X_EXT_POLICY 18
284#define SADB_X_EXT_SA2 19
285#define SADB_EXT_MAX 19
286
287#define SADB_SATYPE_UNSPEC 0
288#define SADB_SATYPE_AH 2
289#define SADB_SATYPE_ESP 3
290#define SADB_SATYPE_RSVP 5
291#define SADB_SATYPE_OSPFV2 6
292#define SADB_SATYPE_RIPV2 7
293#define SADB_SATYPE_MIP 8
294#define SADB_X_SATYPE_IPCOMP 9
295#define SADB_X_SATYPE_POLICY 10
296#define SADB_SATYPE_MAX 11
297
298#define SADB_SASTATE_LARVAL 0
299#define SADB_SASTATE_MATURE 1
300#define SADB_SASTATE_DYING 2
301#define SADB_SASTATE_DEAD 3
302#define SADB_SASTATE_MAX 3
303
304#define SADB_SAFLAGS_PFS 1
305
306/* RFC2367 numbers - meets RFC2407 */
307#define SADB_AALG_NONE 0
308#define SADB_AALG_MD5HMAC 1 /*2*/
309#define SADB_AALG_SHA1HMAC 2 /*3*/
310#define SADB_AALG_MAX 8
311/* private allocations - based on RFC2407/IANA assignment */
312#define SADB_X_AALG_SHA2_256 6 /*5*/
313#define SADB_X_AALG_SHA2_384 7 /*6*/
314#define SADB_X_AALG_SHA2_512 8 /*7*/
315#define SADB_X_AALG_RIPEMD160HMAC 9 /*8*/
316/* private allocations should use 249-255 (RFC2407) */
317#define SADB_X_AALG_MD5 3 /*249*/ /* Keyed MD5 */
318#define SADB_X_AALG_SHA 4 /*250*/ /* Keyed SHA */
319#define SADB_X_AALG_NULL 5 /*251*/ /* null authentication */
320
321/* RFC2367 numbers - meets RFC2407 */
322#define SADB_EALG_NONE 0
323#define SADB_EALG_DESCBC 1 /*2*/
324#define SADB_EALG_3DESCBC 2 /*3*/
325#define SADB_EALG_NULL 3 /*11*/
326#define SADB_EALG_MAX 12
327/* private allocations - based on RFC2407/IANA assignment */
328#define SADB_X_EALG_CAST128CBC 5 /*6*/
329#define SADB_X_EALG_BLOWFISHCBC 4 /*7*/
330#define SADB_X_EALG_RIJNDAELCBC 12
331#define SADB_X_EALG_AES 12
332/* private allocations should use 249-255 (RFC2407) */
333#define SADB_X_EALG_SKIPJACK 249
334
335#if 1 /*nonstandard */
336#define SADB_X_CALG_NONE 0
337#define SADB_X_CALG_OUI 1
338#define SADB_X_CALG_DEFLATE 2
339#define SADB_X_CALG_LZS 3
340#define SADB_X_CALG_MAX 4
341#endif
342
343#define SADB_IDENTTYPE_RESERVED 0
344#define SADB_IDENTTYPE_PREFIX 1
345#define SADB_IDENTTYPE_FQDN 2
346#define SADB_IDENTTYPE_USERFQDN 3
347#define SADB_X_IDENTTYPE_ADDR 4
348#define SADB_IDENTTYPE_MAX 4
349
350/* `flags' in sadb_sa structure holds followings */
351#define SADB_X_EXT_NONE 0x0000 /* i.e. new format. */
352#define SADB_X_EXT_OLD 0x0001 /* old format. */
353
354#define SADB_X_EXT_IV4B 0x0010 /* IV length of 4 bytes in use */
355#define SADB_X_EXT_DERIV 0x0020 /* DES derived */
356#define SADB_X_EXT_CYCSEQ 0x0040 /* allowing to cyclic sequence. */
357
358 /* three of followings are exclusive flags each them */
359#define SADB_X_EXT_PSEQ 0x0000 /* sequencial padding for ESP */
360#define SADB_X_EXT_PRAND 0x0100 /* random padding for ESP */
361#define SADB_X_EXT_PZERO 0x0200 /* zero padding for ESP */
362#define SADB_X_EXT_PMASK 0x0300 /* mask for padding flag */
363
364#if 1
365#define SADB_X_EXT_RAWCPI 0x0080 /* use well known CPI (IPComp) */
366#endif
367
368#define SADB_KEY_FLAGS_MAX 0x0fff
369
370/* SPI size for PF_KEYv2 */
371#define PFKEY_SPI_SIZE sizeof(u_int32_t)
372
373/* Identifier for menber of lifetime structure */
374#define SADB_X_LIFETIME_ALLOCATIONS 0
375#define SADB_X_LIFETIME_BYTES 1
376#define SADB_X_LIFETIME_ADDTIME 2
377#define SADB_X_LIFETIME_USETIME 3
378
379/* The rate for SOFT lifetime against HARD one. */
380#define PFKEY_SOFT_LIFETIME_RATE 80
381
382/* Utilities */
383#define PFKEY_ALIGN8(a) (1 + (((a) - 1) | (8 - 1)))
384#define PFKEY_EXTLEN(msg) \
385 PFKEY_UNUNIT64(((struct sadb_ext *)(msg))->sadb_ext_len)
386#define PFKEY_ADDR_PREFIX(ext) \
387 (((struct sadb_address *)(ext))->sadb_address_prefixlen)
388#define PFKEY_ADDR_PROTO(ext) \
389 (((struct sadb_address *)(ext))->sadb_address_proto)
390#define PFKEY_ADDR_SADDR(ext) \
391 ((struct sockaddr *)((caddr_t)(ext) + sizeof(struct sadb_address)))
392
393/* in 64bits */
394#define PFKEY_UNUNIT64(a) ((a) << 3)
395#define PFKEY_UNIT64(a) ((a) >> 3)
396
397#endif /* __PFKEY_V2_H */
398
399#endif /* _NET_PFKEYV2_H_ */