/* $OpenBSD: ieee80211_priv.h,v 1.5 2009/01/26 19:09:41 damien Exp $ */ /*- * Copyright (c) 2008 Damien Bergamini * * 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 SEQ_LT(a,b) \ ((((u_int16_t)(a) - (u_int16_t)(b)) & 0xfff) > 2048) #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) */ struct ieee80211_rsnparams { u_int16_t rsn_nakms; u_int32_t rsn_akms; u_int16_t rsn_nciphers; u_int32_t rsn_ciphers; enum ieee80211_cipher rsn_groupcipher; enum ieee80211_cipher rsn_groupmgmtcipher; u_int16_t rsn_caps; u_int8_t rsn_npmkids; const u_int8_t *rsn_pmkids; }; /* 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_ */