/*      $NetBSD: ieee80211.h,v 1.2 2014/11/19 19:33:30 christos Exp $   */

/*-
* 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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