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ieee80211.h

/*-
 * Copyright (c) 2001 Atsushi Onoe
 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD: src/sys/net80211/ieee80211.h,v 1.10 2005/07/22 16:55:27 sam Exp $
 */
#ifndef _NET80211_IEEE80211_H_
#define _NET80211_IEEE80211_H_

/*
 * 802.11 protocol definitions.
 */

#define     IEEE80211_FC0_VERSION_MASK          0x03
#define     IEEE80211_FC0_VERSION_SHIFT         0
#define     IEEE80211_FC0_VERSION_0             0x00
#define     IEEE80211_FC0_TYPE_MASK             0x0c
#define     IEEE80211_FC0_TYPE_SHIFT            2
#define     IEEE80211_FC0_TYPE_MGT              0x00
#define     IEEE80211_FC0_TYPE_CTL              0x04
#define     IEEE80211_FC0_TYPE_DATA             0x08

#define     IEEE80211_FC0_SUBTYPE_MASK          0xf0
#define     IEEE80211_FC0_SUBTYPE_SHIFT         4
/* for TYPE_MGT */
#define     IEEE80211_FC0_SUBTYPE_ASSOC_REQ           0x00
#define     IEEE80211_FC0_SUBTYPE_ASSOC_RESP    0x10
#define     IEEE80211_FC0_SUBTYPE_REASSOC_REQ   0x20
#define     IEEE80211_FC0_SUBTYPE_REASSOC_RESP  0x30
#define     IEEE80211_FC0_SUBTYPE_PROBE_REQ           0x40
#define     IEEE80211_FC0_SUBTYPE_PROBE_RESP    0x50
#define     IEEE80211_FC0_SUBTYPE_BEACON        0x80
#define     IEEE80211_FC0_SUBTYPE_ATIM          0x90
#define     IEEE80211_FC0_SUBTYPE_DISASSOC            0xa0
#define     IEEE80211_FC0_SUBTYPE_AUTH          0xb0
#define     IEEE80211_FC0_SUBTYPE_DEAUTH        0xc0
/* for TYPE_CTL */
#define     IEEE80211_FC0_SUBTYPE_PS_POLL       0xa0
#define     IEEE80211_FC0_SUBTYPE_RTS           0xb0
#define     IEEE80211_FC0_SUBTYPE_CTS           0xc0
#define     IEEE80211_FC0_SUBTYPE_ACK           0xd0
#define     IEEE80211_FC0_SUBTYPE_CF_END        0xe0
#define     IEEE80211_FC0_SUBTYPE_CF_END_ACK    0xf0
/* for TYPE_DATA (bit combination) */
#define     IEEE80211_FC0_SUBTYPE_DATA          0x00
#define     IEEE80211_FC0_SUBTYPE_CF_ACK        0x10
#define     IEEE80211_FC0_SUBTYPE_CF_POLL       0x20
#define     IEEE80211_FC0_SUBTYPE_CF_ACPL       0x30
#define     IEEE80211_FC0_SUBTYPE_NODATA        0x40
#define     IEEE80211_FC0_SUBTYPE_NODATA_CF_ACK 0x50
#define     IEEE80211_FC0_SUBTYPE_NODATA_CF_POLL      0x60
#define     IEEE80211_FC0_SUBTYPE_NODATA_CF_ACPL      0x70
#define     IEEE80211_FC0_SUBTYPE_QOS           0x80
#define     IEEE80211_FC0_SUBTYPE_QOS_NULL            0xc0

#define     IEEE80211_FC1_DIR_MASK              0x03
#define     IEEE80211_FC1_DIR_NODS              0x00  /* STA->STA */
#define     IEEE80211_FC1_DIR_TODS              0x01  /* STA->AP  */
#define     IEEE80211_FC1_DIR_FROMDS            0x02  /* AP ->STA */
#define     IEEE80211_FC1_DIR_DSTODS            0x03  /* AP ->AP  */

#define     IEEE80211_FC1_MORE_FRAG             0x04
#define     IEEE80211_FC1_RETRY                 0x08
#define     IEEE80211_FC1_PWR_MGT               0x10
#define     IEEE80211_FC1_MORE_DATA             0x20
#define     IEEE80211_FC1_WEP             0x40
#define     IEEE80211_FC1_ORDER                 0x80

#define     IEEE80211_SEQ_FRAG_MASK             0x000f
#define     IEEE80211_SEQ_FRAG_SHIFT            0
#define     IEEE80211_SEQ_SEQ_MASK              0xfff0
#define     IEEE80211_SEQ_SEQ_SHIFT             4

#define     IEEE80211_NWID_LEN                  32

#define     IEEE80211_QOS_TXOP                  0x00ff
/* bit 8 is reserved */
#define     IEEE80211_QOS_ACKPOLICY             0x60
#define     IEEE80211_QOS_ACKPOLICY_S           5
#define     IEEE80211_QOS_ESOP                  0x10
#define     IEEE80211_QOS_ESOP_S                4
#define     IEEE80211_QOS_TID             0x0f

#define IEEE80211_MGT_SUBTYPE_NAMES {                 \
      "assoc-req",            "assoc-resp",           \
      "reassoc-req",          "reassoc-resp",         \
      "probe-req",            "probe-resp",           \
      "reserved#6",           "reserved#7",           \
      "beacon",         "atim",                 \
      "disassoc",       "auth",                 \
      "deauth",         "reserved#13",          \
      "reserved#14",          "reserved#15"           \
}

#define IEEE80211_CTL_SUBTYPE_NAMES {                 \
      "reserved#0",           "reserved#1",           \
      "reserved#2",           "reserved#3",           \
      "reserved#3",           "reserved#5",           \
      "reserved#6",           "reserved#7",           \
      "reserved#8",           "reserved#9",           \
      "ps-poll",        "rts",                  \
      "cts",                  "ack",                  \
      "cf-end",         "cf-end-ack"            \
}

#define IEEE80211_DATA_SUBTYPE_NAMES {                \
      "data",                 "data-cf-ack",          \
      "data-cf-poll",         "data-cf-ack-poll",     \
      "null",                 "cf-ack",         \
      "cf-poll",        "cf-ack-poll",          \
      "qos-data",       "qos-data-cf-ack",      \
      "qos-data-cf-poll",     "qos-data-cf-ack-poll", \
      "qos",                  "reserved#13",          \
      "qos-cf-poll",          "qos-cf-ack-poll" \
}

#define IEEE80211_TYPE_NAMES  { "mgt", "ctl", "data", "reserved#4" }

#endif /* _NET80211_IEEE80211_H_ */

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