/*      $NetBSD: pfkeyv2.h,v 1.5 2013/05/23 05:42:29 tteras Exp $       */

#ifndef __NET_PFKEYV2_H_
#define __NET_PFKEYV2_H_ 1

#include <stdint.h>
#include <linux/pfkeyv2.h>

/* Private allocations for authentication algorithms */
#define SADB_AALG_SHA2_256              SADB_X_AALG_SHA2_256HMAC
#define SADB_X_AALG_SHA2_256            SADB_X_AALG_SHA2_256HMAC
#define SADB_AALG_SHA2_384              SADB_X_AALG_SHA2_384HMAC
#define SADB_X_AALG_SHA2_384            SADB_X_AALG_SHA2_384HMAC
#define SADB_AALG_SHA2_512              SADB_X_AALG_SHA2_512HMAC
#define SADB_X_AALG_SHA2_512            SADB_X_AALG_SHA2_512HMAC
#define SADB_AALG_RIPEMD160HMAC         SADB_X_AALG_RIPEMD160HMAC
#define SADB_X_AALG_MD5              249
#define SADB_X_AALG_SHA              250

/* private allocations - based on RFC2407/IANA assignment */
#ifdef SADB_X_EALG_CASTCBC
#define SADB_X_EALG_CAST128CBC          SADB_X_EALG_CASTCBC
#else
#define SADB_X_EALG_CAST128CBC          5
#endif
#define SADB_X_EALG_RIJNDAELCBC         SADB_X_EALG_AESCBC
#define SADB_X_EALG_AES                 SADB_X_EALG_AESCBC


#define SADB_X_CALG_NONE        0
#define SADB_X_CALG_OUI         1
#define SADB_X_CALG_DEFLATE     2
#define SADB_X_CALG_LZS         3
#define SADB_X_CALG_MAX         4


#define SADB_X_EXT_NONE         0x0000  /* i.e. new format. */
#define SADB_X_EXT_OLD          0x0001  /* old format. */

#define SADB_X_EXT_IV4B         0x0010  /* IV length of 4 bytes in use */
#define SADB_X_EXT_DERIV        0x0020  /* DES derived */
#define SADB_X_EXT_CYCSEQ       0x0040  /* allowing to cyclic sequence. */

        /* three of followings are exclusive flags each them */
#define SADB_X_EXT_PSEQ         0x0000  /* sequencial padding for ESP */
#define SADB_X_EXT_PRAND        0x0100  /* random padding for ESP */
#define SADB_X_EXT_PZERO        0x0200  /* zero padding for ESP */
#define SADB_X_EXT_PMASK        0x0300  /* mask for padding flag */

#define SADB_X_EXT_RAWCPI       0x0080  /* use well known CPI (IPComp) */


#define PFKEY_SOFT_LIFETIME_RATE        80

#define SADB_X_LIFETIME_ALLOCATIONS     0
#define SADB_X_LIFETIME_BYTES           1
#define SADB_X_LIFETIME_ADDTIME         2
#define SADB_X_LIFETIME_USETIME         3


#define PFKEY_ALIGN8(a) (1 + (((a) - 1) | (8 - 1)))
#define PFKEY_EXTLEN(msg) \
        PFKEY_UNUNIT64(((struct sadb_ext *)(msg))->sadb_ext_len)
#define PFKEY_ADDR_PREFIX(ext) \
        (((struct sadb_address *)(ext))->sadb_address_prefixlen)
#define PFKEY_ADDR_PROTO(ext) \
        (((struct sadb_address *)(ext))->sadb_address_proto)
#define PFKEY_ADDR_SADDR(ext) \
        ((struct sockaddr *)((caddr_t)(ext) + sizeof(struct sadb_address)))

/* in 64bits */
#define PFKEY_UNUNIT64(a)       ((a) << 3)
#define PFKEY_UNIT64(a)         ((a) >> 3)

#endif