136 lines
4.2 KiB
C
136 lines
4.2 KiB
C
/* $OpenBSD: ieee80211_priv.h,v 1.5 2009/01/26 19:09:41 damien Exp $ */
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/*-
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* Copyright (c) 2008 Damien Bergamini <damien.bergamini@free.fr>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _NET80211_IEEE80211_PRIV_H_
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#define _NET80211_IEEE80211_PRIV_H_
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#ifdef IEEE80211_DEBUG
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extern int ieee80211_debug;
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#define DPRINTF(X) do { \
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if (ieee80211_debug) { \
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printf("%s: ", __func__); \
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printf X; \
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} \
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} while(0)
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#else
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#define DPRINTF(X)
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#endif
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#define SEQ_LT(a,b) \
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((((u_int16_t)(a) - (u_int16_t)(b)) & 0xfff) > 2048)
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#define IEEE80211_AID_SET(b, w) \
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((w)[IEEE80211_AID(b) / 32] |= (1 << (IEEE80211_AID(b) % 32)))
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#define IEEE80211_AID_CLR(b, w) \
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((w)[IEEE80211_AID(b) / 32] &= ~(1 << (IEEE80211_AID(b) % 32)))
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#define IEEE80211_AID_ISSET(b, w) \
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((w)[IEEE80211_AID(b) / 32] & (1 << (IEEE80211_AID(b) % 32)))
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#define IEEE80211_RSNIE_MAXLEN \
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(2 + /* Version */ \
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4 + /* Group Data Cipher Suite */ \
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2 + /* Pairwise Cipher Suite Count */ \
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4 * 2 + /* Pairwise Cipher Suite List (max 2) */ \
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2 + /* AKM Suite List Count */ \
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4 * 4 + /* AKM Suite List (max 4) */ \
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2 + /* RSN Capabilities */ \
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2 + /* PMKID Count */ \
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16 * 1 + /* PMKID List (max 1) */ \
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4) /* 11w: Group Integrity Cipher Suite */
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#define IEEE80211_WPAIE_MAXLEN \
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(4 + /* MICROSOFT_OUI */ \
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2 + /* Version */ \
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4 + /* Group Cipher Suite */ \
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2 + /* Pairwise Cipher Suite Count */ \
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4 * 2 + /* Pairwise Cipher Suite List (max 2) */ \
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2 + /* AKM Suite List Count */ \
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4 * 2) /* AKM Suite List (max 2) */
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struct ieee80211_rsnparams {
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u_int16_t rsn_nakms;
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u_int32_t rsn_akms;
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u_int16_t rsn_nciphers;
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u_int32_t rsn_ciphers;
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enum ieee80211_cipher rsn_groupcipher;
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enum ieee80211_cipher rsn_groupmgmtcipher;
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u_int16_t rsn_caps;
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u_int8_t rsn_npmkids;
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const u_int8_t *rsn_pmkids;
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};
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/* unaligned big endian access */
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#define BE_READ_2(p) \
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((u_int16_t) \
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((((const u_int8_t *)(p))[0] << 8) | \
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(((const u_int8_t *)(p))[1])))
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#define BE_READ_8(p) \
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((u_int64_t)(p)[0] << 56 | (u_int64_t)(p)[1] << 48 | \
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(u_int64_t)(p)[2] << 40 | (u_int64_t)(p)[3] << 32 | \
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(u_int64_t)(p)[4] << 24 | (u_int64_t)(p)[5] << 16 | \
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(u_int64_t)(p)[6] << 8 | (u_int64_t)(p)[7])
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#define BE_WRITE_2(p, v) do { \
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((u_int8_t *)(p))[0] = (v) >> 8; \
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((u_int8_t *)(p))[1] = (v) & 0xff; \
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} while (0)
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#define BE_WRITE_8(p, v) do { \
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(p)[0] = (v) >> 56; (p)[1] = (v) >> 48; \
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(p)[2] = (v) >> 40; (p)[3] = (v) >> 32; \
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(p)[4] = (v) >> 24; (p)[5] = (v) >> 16; \
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(p)[6] = (v) >> 8; (p)[7] = (v); \
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} while (0)
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/* unaligned little endian access */
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#define LE_READ_2(p) \
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((u_int16_t) \
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((((const u_int8_t *)(p))[0]) | \
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(((const u_int8_t *)(p))[1] << 8)))
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#define LE_READ_4(p) \
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((u_int32_t) \
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((((const u_int8_t *)(p))[0]) | \
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(((const u_int8_t *)(p))[1] << 8) | \
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(((const u_int8_t *)(p))[2] << 16) | \
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(((const u_int8_t *)(p))[3] << 24)))
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#define LE_READ_6(p) \
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((u_int64_t)(p)[5] << 40 | (u_int64_t)(p)[4] << 32 | \
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(u_int64_t)(p)[3] << 24 | (u_int64_t)(p)[2] << 16 | \
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(u_int64_t)(p)[1] << 8 | (u_int64_t)(p)[0])
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#define LE_WRITE_2(p, v) do { \
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((u_int8_t *)(p))[0] = (v) & 0xff; \
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((u_int8_t *)(p))[1] = (v) >> 8; \
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} while (0)
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#define LE_WRITE_4(p, v) do { \
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(p)[3] = (v) >> 24; (p)[2] = (v) >> 16; \
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(p)[1] = (v) >> 8; (p)[0] = (v); \
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} while (0)
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#define LE_WRITE_6(p, v) do { \
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(p)[5] = (v) >> 40; (p)[4] = (v) >> 32; \
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(p)[3] = (v) >> 24; (p)[2] = (v) >> 16; \
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(p)[1] = (v) >> 8; (p)[0] = (v); \
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} while (0)
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#endif /* _NET80211_IEEE80211_PRIV_H_ */
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