The Tcpdump Group git mirrors - libpcap/blob - ieee80211.h

   1 /*-
   2  * Copyright (c) 2001 Atsushi Onoe
   3  * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission.
  16  *
  17  * Alternatively, this software may be distributed under the terms of the
  18  * GNU General Public License ("GPL") version 2 as published by the Free
  19  * Software Foundation.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  * $FreeBSD: src/sys/net80211/ieee80211.h,v 1.10 2005/07/22 16:55:27 sam Exp $
  33  */
  34 #ifndef _NET80211_IEEE80211_H_
  35 #define _NET80211_IEEE80211_H_
  36
  37 /*
  38  * 802.11 protocol definitions.
  39  */
  40
  41 #define IEEE80211_FC0_VERSION_MASK              0x03U
  42 #define IEEE80211_FC0_VERSION_SHIFT             0
  43 #define IEEE80211_FC0_VERSION_0                 0x00U
  44 #define IEEE80211_FC0_TYPE_MASK                 0x0cU
  45 #define IEEE80211_FC0_TYPE_SHIFT                2
  46 #define IEEE80211_FC0_TYPE_MGT                  0x00U
  47 #define IEEE80211_FC0_TYPE_CTL                  0x04U
  48 #define IEEE80211_FC0_TYPE_DATA                 0x08U
  49
  50 #define IEEE80211_FC0_SUBTYPE_MASK              0xf0U
  51 #define IEEE80211_FC0_SUBTYPE_SHIFT             4
  52 /* for TYPE_MGT */
  53 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ         0x00U
  54 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP        0x10U
  55 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ       0x20U
  56 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP      0x30U
  57 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ         0x40U
  58 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP        0x50U
  59 #define IEEE80211_FC0_SUBTYPE_BEACON            0x80U
  60 #define IEEE80211_FC0_SUBTYPE_ATIM              0x90U
  61 #define IEEE80211_FC0_SUBTYPE_DISASSOC          0xa0U
  62 #define IEEE80211_FC0_SUBTYPE_AUTH              0xb0U
  63 #define IEEE80211_FC0_SUBTYPE_DEAUTH            0xc0U
  64 /* for TYPE_CTL */
  65 #define IEEE80211_FC0_SUBTYPE_BAR               0x80U
  66 #define IEEE80211_FC0_SUBTYPE_BA                0x90U
  67 #define IEEE80211_FC0_SUBTYPE_PS_POLL           0xa0U
  68 #define IEEE80211_FC0_SUBTYPE_RTS               0xb0U
  69 #define IEEE80211_FC0_SUBTYPE_CTS               0xc0U
  70 #define IEEE80211_FC0_SUBTYPE_ACK               0xd0U
  71 #define IEEE80211_FC0_SUBTYPE_CF_END            0xe0U
  72 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK        0xf0U
  73 /* for TYPE_DATA (bit combination) */
  74 #define IEEE80211_FC0_SUBTYPE_DATA              0x00U
  75 #define IEEE80211_FC0_SUBTYPE_CF_ACK            0x10U
  76 #define IEEE80211_FC0_SUBTYPE_CF_POLL           0x20U
  77 #define IEEE80211_FC0_SUBTYPE_CF_ACPL           0x30U
  78 #define IEEE80211_FC0_SUBTYPE_NODATA            0x40U
  79 #define IEEE80211_FC0_SUBTYPE_NODATA_CF_ACK     0x50U
  80 #define IEEE80211_FC0_SUBTYPE_NODATA_CF_POLL    0x60U
  81 #define IEEE80211_FC0_SUBTYPE_NODATA_CF_ACPL    0x70U
  82 #define IEEE80211_FC0_SUBTYPE_QOS               0x80U
  83 #define IEEE80211_FC0_SUBTYPE_QOS_NULL          0xc0U
  84
  85 #define IEEE80211_FC1_DIR_MASK                  0x03U
  86 #define IEEE80211_FC1_DIR_NODS                  0x00U   /* STA->STA */
  87 #define IEEE80211_FC1_DIR_TODS                  0x01U   /* STA->AP  */
  88 #define IEEE80211_FC1_DIR_FROMDS                0x02U   /* AP ->STA */
  89 #define IEEE80211_FC1_DIR_DSTODS                0x03U   /* AP ->AP  */
  90
  91 #define IEEE80211_FC1_MORE_FRAG                 0x04U
  92 #define IEEE80211_FC1_RETRY                     0x08U
  93 #define IEEE80211_FC1_PWR_MGT                   0x10U
  94 #define IEEE80211_FC1_MORE_DATA                 0x20U
  95 #define IEEE80211_FC1_WEP                       0x40U
  96 #define IEEE80211_FC1_ORDER                     0x80U
  97
  98 #define IEEE80211_SEQ_FRAG_MASK                 0x000fU
  99 #define IEEE80211_SEQ_FRAG_SHIFT                0
 100 #define IEEE80211_SEQ_SEQ_MASK                  0xfff0U
 101 #define IEEE80211_SEQ_SEQ_SHIFT                 4
 102
 103 #define IEEE80211_NWID_LEN                      32
 104
 105 #define IEEE80211_QOS_TXOP                      0x00ffU
 106 /* bit 8 is reserved */
 107 #define IEEE80211_QOS_ACKPOLICY                 0x60U
 108 #define IEEE80211_QOS_ACKPOLICY_S               5
 109 #define IEEE80211_QOS_ESOP                      0x10U
 110 #define IEEE80211_QOS_ESOP_S                    4
 111 #define IEEE80211_QOS_TID                       0x0fU
 112
 113 #define IEEE80211_MGT_SUBTYPE_NAMES {                   \
 114         "assoc-req",            "assoc-resp",           \
 115         "reassoc-req",          "reassoc-resp",         \
 116         "probe-req",            "probe-resp",           \
 117         "reserved#6",           "reserved#7",           \
 118         "beacon",               "atim",                 \
 119         "disassoc",             "auth",                 \
 120         "deauth",               "reserved#13",          \
 121         "reserved#14",          "reserved#15"           \
 122 }
 123
 124 #define IEEE80211_CTL_SUBTYPE_NAMES {                   \
 125         "reserved#0",           "reserved#1",           \
 126         "reserved#2",           "reserved#3",           \
 127         "reserved#3",           "reserved#5",           \
 128         "reserved#6",           "reserved#7",           \
 129         "bar",                  "ba",                   \
 130         "ps-poll",              "rts",                  \
 131         "cts",                  "ack",                  \
 132         "cf-end",               "cf-end-ack"            \
 133 }
 134
 135 #define IEEE80211_DATA_SUBTYPE_NAMES {                  \
 136         "data",                 "data-cf-ack",          \
 137         "data-cf-poll",         "data-cf-ack-poll",     \
 138         "null",                 "cf-ack",               \
 139         "cf-poll",              "cf-ack-poll",          \
 140         "qos-data",             "qos-data-cf-ack",      \
 141         "qos-data-cf-poll",     "qos-data-cf-ack-poll", \
 142         "qos",                  "reserved#13",          \
 143         "qos-cf-poll",          "qos-cf-ack-poll"       \
 144 }
 145
 146 #define IEEE80211_TYPE_NAMES    { "mgt", "ctl", "data", "reserved#4" }
 147
 148 #endif /* _NET80211_IEEE80211_H_ */