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/* $OpenBSD: ieee80211_priv.h,v 1.3 2008/08/12 19:05:39 damien Exp $ */
/*-
* Copyright (c) 2008 Damien Bergamini <damien.bergamini@free.fr>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _NET80211_IEEE80211_PRIV_H_
#define _NET80211_IEEE80211_PRIV_H_
#ifdef IEEE80211_DEBUG
extern int ieee80211_debug;
#define DPRINTF(X) do { \
if (ieee80211_debug) { \
printf("%s: ", __func__); \
printf X; \
} \
} while(0)
#else
#define DPRINTF(X)
#endif
#define IEEE80211_AID_SET(b, w) \
((w)[IEEE80211_AID(b) / 32] |= (1 << (IEEE80211_AID(b) % 32)))
#define IEEE80211_AID_CLR(b, w) \
((w)[IEEE80211_AID(b) / 32] &= ~(1 << (IEEE80211_AID(b) % 32)))
#define IEEE80211_AID_ISSET(b, w) \
((w)[IEEE80211_AID(b) / 32] & (1 << (IEEE80211_AID(b) % 32)))
#define IEEE80211_RSNIE_MAXLEN \
(2 + /* Version */ \
4 + /* Group Data Cipher Suite */ \
2 + /* Pairwise Cipher Suite Count */ \
4 * 2 + /* Pairwise Cipher Suite List (max 2) */ \
2 + /* AKM Suite List Count */ \
4 * 4 + /* AKM Suite List (max 4) */ \
2 + /* RSN Capabilities */ \
2 + /* PMKID Count */ \
16 * 1 + /* PMKID List (max 1) */ \
4) /* 11w: Group Integrity Cipher Suite */
#define IEEE80211_WPAIE_MAXLEN \
(4 + /* MICROSOFT_OUI */ \
2 + /* Version */ \
4 + /* Group Cipher Suite */ \
2 + /* Pairwise Cipher Suite Count */ \
4 * 2 + /* Pairwise Cipher Suite List (max 2) */ \
2 + /* AKM Suite List Count */ \
4 * 2) /* AKM Suite List (max 2) */
/* unaligned big endian access */
#define BE_READ_2(p) \
((u_int16_t) \
((((const u_int8_t *)(p))[0] << 8) | \
(((const u_int8_t *)(p))[1])))
#define BE_READ_8(p) \
((u_int64_t)(p)[0] << 56 | (u_int64_t)(p)[1] << 48 | \
(u_int64_t)(p)[2] << 40 | (u_int64_t)(p)[3] << 32 | \
(u_int64_t)(p)[4] << 24 | (u_int64_t)(p)[5] << 16 | \
(u_int64_t)(p)[6] << 8 | (u_int64_t)(p)[7])
#define BE_WRITE_2(p, v) do { \
((u_int8_t *)(p))[0] = (v) >> 8; \
((u_int8_t *)(p))[1] = (v) & 0xff; \
} while (0)
#define BE_WRITE_8(p, v) do { \
(p)[0] = (v) >> 56; (p)[1] = (v) >> 48; \
(p)[2] = (v) >> 40; (p)[3] = (v) >> 32; \
(p)[4] = (v) >> 24; (p)[5] = (v) >> 16; \
(p)[6] = (v) >> 8; (p)[7] = (v); \
} while (0)
/* unaligned little endian access */
#define LE_READ_2(p) \
((u_int16_t) \
((((const u_int8_t *)(p))[0]) | \
(((const u_int8_t *)(p))[1] << 8)))
#define LE_READ_4(p) \
((u_int32_t) \
((((const u_int8_t *)(p))[0]) | \
(((const u_int8_t *)(p))[1] << 8) | \
(((const u_int8_t *)(p))[2] << 16) | \
(((const u_int8_t *)(p))[3] << 24)))
#define LE_READ_6(p) \
((u_int64_t)(p)[5] << 40 | (u_int64_t)(p)[4] << 32 | \
(u_int64_t)(p)[3] << 24 | (u_int64_t)(p)[2] << 16 | \
(u_int64_t)(p)[1] << 8 | (u_int64_t)(p)[0])
#define LE_WRITE_2(p, v) do { \
((u_int8_t *)(p))[0] = (v) & 0xff; \
((u_int8_t *)(p))[1] = (v) >> 8; \
} while (0)
#define LE_WRITE_4(p, v) do { \
(p)[3] = (v) >> 24; (p)[2] = (v) >> 16; \
(p)[1] = (v) >> 8; (p)[0] = (v); \
} while (0)
#define LE_WRITE_6(p, v) do { \
(p)[5] = (v) >> 40; (p)[4] = (v) >> 32; \
(p)[3] = (v) >> 24; (p)[2] = (v) >> 16; \
(p)[1] = (v) >> 8; (p)[0] = (v); \
} while (0)
#endif /* _NET80211_IEEE80211_PRIV_H_ */
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