text: /*-
   * 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: soc2013/dpl/head/contrib/libpcap/ieee80211.h 190268 2009-03-21 22:58:08Z rpaulo $
   */
  #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_ */
  