ieee80211_priv.h

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    1 /*      $OpenBSD: ieee80211_priv.h,v 1.5 2009/01/26 19:09:41 damien Exp $       */
    2 
    3 /*-
    4  * Copyright (c) 2008 Damien Bergamini <damien.bergamini@free.fr>
    5  *
    6  * Permission to use, copy, modify, and distribute this software for any
    7  * purpose with or without fee is hereby granted, provided that the above
    8  * copyright notice and this permission notice appear in all copies.
    9  *
   10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   17  */
   18 
   19 #ifndef _NET80211_IEEE80211_PRIV_H_
   20 #define _NET80211_IEEE80211_PRIV_H_
   21 
   22 #ifdef IEEE80211_DEBUG
   23 extern int ieee80211_debug;
   24 #define DPRINTF(X) do {                         \
   25         if (ieee80211_debug) {                  \
   26                 printf("%s: ", __func__);       \
   27                 printf X;                       \
   28         }                                       \
   29 } while(0)
   30 #else
   31 #define DPRINTF(X)
   32 #endif
   33 
   34 #define SEQ_LT(a,b)     \
   35         ((((u_int16_t)(a) - (u_int16_t)(b)) & 0xfff) > 2048)
   36 
   37 #define IEEE80211_AID_SET(b, w) \
   38         ((w)[IEEE80211_AID(b) / 32] |= (1 << (IEEE80211_AID(b) % 32)))
   39 #define IEEE80211_AID_CLR(b, w) \
   40         ((w)[IEEE80211_AID(b) / 32] &= ~(1 << (IEEE80211_AID(b) % 32)))
   41 #define IEEE80211_AID_ISSET(b, w) \
   42         ((w)[IEEE80211_AID(b) / 32] & (1 << (IEEE80211_AID(b) % 32)))
   43 
   44 #define IEEE80211_RSNIE_MAXLEN                                          \
   45         (2 +            /* Version */                                   \
   46          4 +            /* Group Data Cipher Suite */                   \
   47          2 +            /* Pairwise Cipher Suite Count */               \
   48          4 * 2 +        /* Pairwise Cipher Suite List (max 2) */        \
   49          2 +            /* AKM Suite List Count */                      \
   50          4 * 4 +        /* AKM Suite List (max 4) */                    \
   51          2 +            /* RSN Capabilities */                          \
   52          2 +            /* PMKID Count */                               \
   53          16 * 1 +       /* PMKID List (max 1) */                        \
   54          4)             /* 11w: Group Integrity Cipher Suite */
   55 
   56 #define IEEE80211_WPAIE_MAXLEN                                          \
   57         (4 +            /* MICROSOFT_OUI */                             \
   58          2 +            /* Version */                                   \
   59          4 +            /* Group Cipher Suite */                        \
   60          2 +            /* Pairwise Cipher Suite Count */               \
   61          4 * 2 +        /* Pairwise Cipher Suite List (max 2) */        \
   62          2 +            /* AKM Suite List Count */                      \
   63          4 * 2)         /* AKM Suite List (max 2) */
   64 
   65 struct ieee80211_rsnparams {
   66         u_int16_t               rsn_nakms;
   67         u_int32_t               rsn_akms;
   68         u_int16_t               rsn_nciphers;
   69         u_int32_t               rsn_ciphers;
   70         enum ieee80211_cipher   rsn_groupcipher;
   71         enum ieee80211_cipher   rsn_groupmgmtcipher;
   72         u_int16_t               rsn_caps;
   73         u_int8_t                rsn_npmkids;
   74         const u_int8_t          *rsn_pmkids;
   75 };
   76 
   77 /* unaligned big endian access */
   78 #define BE_READ_2(p)                            \
   79         ((u_int16_t)                            \
   80          ((((const u_int8_t *)(p))[0] << 8) |   \
   81           (((const u_int8_t *)(p))[1])))
   82 
   83 #define BE_READ_8(p)                                            \
   84         ((u_int64_t)(p)[0] << 56 | (u_int64_t)(p)[1] << 48 |    \
   85          (u_int64_t)(p)[2] << 40 | (u_int64_t)(p)[3] << 32 |    \
   86          (u_int64_t)(p)[4] << 24 | (u_int64_t)(p)[5] << 16 |    \
   87          (u_int64_t)(p)[6] <<  8 | (u_int64_t)(p)[7])
   88 
   89 #define BE_WRITE_2(p, v) do {                   \
   90         ((u_int8_t *)(p))[0] = (v) >> 8;        \
   91         ((u_int8_t *)(p))[1] = (v) & 0xff;      \
   92 } while (0)
   93 
   94 #define BE_WRITE_8(p, v) do {                   \
   95         (p)[0] = (v) >> 56; (p)[1] = (v) >> 48; \
   96         (p)[2] = (v) >> 40; (p)[3] = (v) >> 32; \
   97         (p)[4] = (v) >> 24; (p)[5] = (v) >> 16; \
   98         (p)[6] = (v) >>  8; (p)[7] = (v);       \
   99 } while (0)
  100 
  101 /* unaligned little endian access */
  102 #define LE_READ_2(p)                                    \
  103         ((u_int16_t)                                    \
  104          ((((const u_int8_t *)(p))[0]) |                \
  105           (((const u_int8_t *)(p))[1] <<  8)))
  106 
  107 #define LE_READ_4(p)                                    \
  108         ((u_int32_t)                                    \
  109          ((((const u_int8_t *)(p))[0])       |          \
  110           (((const u_int8_t *)(p))[1] <<  8) |          \
  111           (((const u_int8_t *)(p))[2] << 16) |          \
  112           (((const u_int8_t *)(p))[3] << 24)))
  113 
  114 #define LE_READ_6(p)                                            \
  115         ((u_int64_t)(p)[5] << 40 | (u_int64_t)(p)[4] << 32 |    \
  116          (u_int64_t)(p)[3] << 24 | (u_int64_t)(p)[2] << 16 |    \
  117          (u_int64_t)(p)[1] <<  8 | (u_int64_t)(p)[0])
  118 
  119 #define LE_WRITE_2(p, v) do {                   \
  120         ((u_int8_t *)(p))[0] = (v) & 0xff;      \
  121         ((u_int8_t *)(p))[1] = (v) >> 8;        \
  122 } while (0)
  123 
  124 #define LE_WRITE_4(p, v) do {                   \
  125         (p)[3] = (v) >> 24; (p)[2] = (v) >> 16; \
  126         (p)[1] = (v) >>  8; (p)[0] = (v);       \
  127 } while (0)
  128 
  129 #define LE_WRITE_6(p, v) do {                   \
  130         (p)[5] = (v) >> 40; (p)[4] = (v) >> 32; \
  131         (p)[3] = (v) >> 24; (p)[2] = (v) >> 16; \
  132         (p)[1] = (v) >>  8; (p)[0] = (v);       \
  133 } while (0)
  134 
  135 #endif /* _NET80211_IEEE80211_PRIV_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/net80211/ieee80211_priv.h

FreeBSD/Linux Kernel Cross Reference
sys/net80211/ieee80211_priv.h