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/* $NetBSD: ieee80211.h,v 1.26 2013/03/30 14:14:31 christos Exp $ */
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/*-
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* Copyright (c) 2001 Atsushi Onoe
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* Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD: src/sys/net80211/ieee80211.h,v 1.10 2005/07/22 16:55:27 sam Exp $
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*/
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#ifndef _NET80211_IEEE80211_H_
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#define _NET80211_IEEE80211_H_
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/*
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* 802.11 protocol definitions.
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*/
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#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */ |
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/* is 802.11 address multicast/broadcast? */
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#define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01) |
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/* IEEE 802.11 PLCP header */
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struct ieee80211_plcp_hdr {
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u_int16_t i_sfd; |
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u_int8_t i_signal; |
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u_int8_t i_service; |
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u_int16_t i_length; |
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u_int16_t i_crc; |
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} __packed; |
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#define IEEE80211_PLCP_SFD 0xF3A0 |
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#define IEEE80211_PLCP_SERVICE 0x00 |
| 57 |
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/*
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* generic definitions for IEEE 802.11 frames
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*/
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struct ieee80211_frame {
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u_int8_t i_fc[2];
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u_int8_t i_dur[2];
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u_int8_t i_addr1[IEEE80211_ADDR_LEN]; |
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u_int8_t i_addr2[IEEE80211_ADDR_LEN]; |
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u_int8_t i_addr3[IEEE80211_ADDR_LEN]; |
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u_int8_t i_seq[2];
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/* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
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/* see below */
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} __packed; |
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struct ieee80211_qosframe {
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u_int8_t i_fc[2];
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u_int8_t i_dur[2];
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u_int8_t i_addr1[IEEE80211_ADDR_LEN]; |
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u_int8_t i_addr2[IEEE80211_ADDR_LEN]; |
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u_int8_t i_addr3[IEEE80211_ADDR_LEN]; |
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u_int8_t i_seq[2];
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u_int8_t i_qos[2];
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/* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
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/* see below */
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} __packed; |
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struct ieee80211_qoscntl {
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u_int8_t i_qos[2];
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}; |
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struct ieee80211_frame_addr4 {
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u_int8_t i_fc[2];
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u_int8_t i_dur[2];
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u_int8_t i_addr1[IEEE80211_ADDR_LEN]; |
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u_int8_t i_addr2[IEEE80211_ADDR_LEN]; |
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u_int8_t i_addr3[IEEE80211_ADDR_LEN]; |
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u_int8_t i_seq[2];
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u_int8_t i_addr4[IEEE80211_ADDR_LEN]; |
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} __packed; |
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struct ieee80211_qosframe_addr4 {
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u_int8_t i_fc[2];
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u_int8_t i_dur[2];
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u_int8_t i_addr1[IEEE80211_ADDR_LEN]; |
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u_int8_t i_addr2[IEEE80211_ADDR_LEN]; |
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u_int8_t i_addr3[IEEE80211_ADDR_LEN]; |
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u_int8_t i_seq[2];
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u_int8_t i_addr4[IEEE80211_ADDR_LEN]; |
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u_int8_t i_qos[2];
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} __packed; |
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#define IEEE80211_FC0_VERSION_MASK 0x03 |
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#define IEEE80211_FC0_VERSION_SHIFT 0 |
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#define IEEE80211_FC0_VERSION_0 0x00 |
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#define IEEE80211_FC0_TYPE_MASK 0x0c |
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#define IEEE80211_FC0_TYPE_SHIFT 2 |
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#define IEEE80211_FC0_TYPE_MGT 0x00 |
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#define IEEE80211_FC0_TYPE_CTL 0x04 |
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#define IEEE80211_FC0_TYPE_DATA 0x08 |
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#define IEEE80211_FC0_SUBTYPE_MASK 0xf0 |
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#define IEEE80211_FC0_SUBTYPE_SHIFT 4 |
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/* for TYPE_MGT */
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#define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 |
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#define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 |
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#define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 |
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#define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 |
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#define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 |
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#define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 |
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#define IEEE80211_FC0_SUBTYPE_BEACON 0x80 |
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#define IEEE80211_FC0_SUBTYPE_ATIM 0x90 |
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#define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 |
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#define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 |
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#define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 |
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/* for TYPE_CTL */
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#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 |
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#define IEEE80211_FC0_SUBTYPE_RTS 0xb0 |
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#define IEEE80211_FC0_SUBTYPE_CTS 0xc0 |
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#define IEEE80211_FC0_SUBTYPE_ACK 0xd0 |
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#define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 |
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#define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 |
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/* for TYPE_DATA (bit combination) */
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#define IEEE80211_FC0_SUBTYPE_DATA 0x00 |
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#define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 |
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#define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 |
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#define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 |
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#define IEEE80211_FC0_SUBTYPE_NODATA 0x40 |
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#define IEEE80211_FC0_SUBTYPE_CFACK 0x50 |
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#define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 |
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#define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 |
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#define IEEE80211_FC0_SUBTYPE_QOS 0x80 |
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#define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 |
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/*
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* DS bit usage
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*
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* TA = transmitter address
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* RA = receiver address
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* DA = destination address
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* SA = source address
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*
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* ToDS FromDS A1(RA) A2(TA) A3 A4 Use
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* -----------------------------------------------------------------
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* 0 0 DA SA BSSID - IBSS/DLS
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* 0 1 DA BSSID SA - AP -> STA
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* 1 0 BSSID SA DA - AP <- STA
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* 1 1 RA TA DA SA unspecified (WDS)
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*/
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#define IEEE80211_FC1_DIR_MASK 0x03 |
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#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ |
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#define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ |
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#define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ |
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#define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ |
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#define IEEE80211_FC1_MORE_FRAG 0x04 |
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#define IEEE80211_FC1_RETRY 0x08 |
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#define IEEE80211_FC1_PWR_MGT 0x10 |
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#define IEEE80211_FC1_MORE_DATA 0x20 |
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#define IEEE80211_FC1_PROTECTED 0x40 |
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#define IEEE80211_FC1_WEP 0x40 /* pre-RSNA compat */ |
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#define IEEE80211_FC1_ORDER 0x80 |
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#define IEEE80211_SEQ_FRAG_MASK 0x000f |
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#define IEEE80211_SEQ_FRAG_SHIFT 0 |
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#define IEEE80211_SEQ_SEQ_MASK 0xfff0 |
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#define IEEE80211_SEQ_SEQ_SHIFT 4 |
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#define IEEE80211_NWID_LEN 32 |
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/*
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* QoS Control field (see 7.1.3.5).
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*/
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/* bit 8 is reserved */
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#define IEEE80211_QOS_TXOP 0xff00 |
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#define IEEE80211_QOS_AMSDU 0x0080 /* 11n */ |
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#define IEEE80211_QOS_ACKPOLICY_NORMAL 0x0000 |
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#define IEEE80211_QOS_ACKPOLICY_NOACK 0x0020 |
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#define IEEE80211_QOS_ACKPOLICY_NOEXPLACK 0x0040 |
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#define IEEE80211_QOS_ACKPOLICY 0x0060 |
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#define IEEE80211_QOS_ACKPOLICY_S 5 |
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#define IEEE80211_QOS_ACKPOLICY_MASK 0x0060 |
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#define IEEE80211_QOS_ACKPOLICY_BA 0x0060 |
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#define IEEE80211_QOS_ESOP 0x0010 |
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#define IEEE80211_QOS_ESOP_S 4 |
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#define IEEE80211_QOS_TID 0x000f |
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|
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/*
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* WME/802.11e information element.
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*/
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struct ieee80211_wme_info {
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u_int8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
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u_int8_t wme_len; /* length in bytes */
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u_int8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ |
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u_int8_t wme_type; /* OUI type */
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u_int8_t wme_subtype; /* OUI subtype */
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u_int8_t wme_version; /* spec revision */
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u_int8_t wme_info; /* QoS info */
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} __packed; |
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/*
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* WME/802.11e Tspec Element
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*/
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struct ieee80211_wme_tspec {
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u_int8_t ts_id; |
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u_int8_t ts_len; |
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u_int8_t ts_oui[3];
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u_int8_t ts_oui_type; |
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u_int8_t ts_oui_subtype; |
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u_int8_t ts_version; |
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u_int8_t ts_tsinfo[3];
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u_int8_t ts_nom_msdu[2];
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u_int8_t ts_max_msdu[2];
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u_int8_t ts_min_svc[4];
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u_int8_t ts_max_svc[4];
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u_int8_t ts_inactv_intv[4];
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u_int8_t ts_susp_intv[4];
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u_int8_t ts_start_svc[4];
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u_int8_t ts_min_rate[4];
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u_int8_t ts_mean_rate[4];
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u_int8_t ts_max_burst[4];
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u_int8_t ts_min_phy[4];
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u_int8_t ts_peak_rate[4];
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u_int8_t ts_delay[4];
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u_int8_t ts_surplus[2];
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u_int8_t ts_medium_time[2];
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} __packed; |
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/*
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* WME AC parameter field
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*/
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struct ieee80211_wme_acparams {
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u_int8_t acp_aci_aifsn; |
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u_int8_t acp_logcwminmax; |
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u_int16_t acp_txop; |
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} __packed; |
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/* WME stream classes */
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enum ieee80211_wme_ac {
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WME_AC_BE = 0, /* best effort */ |
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WME_AC_BK = 1, /* background */ |
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WME_AC_VI = 2, /* video */ |
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WME_AC_VO = 3, /* voice */ |
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}; |
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#define WME_NUM_AC 4 /* 4 AC categories */ |
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|
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#define WME_PARAM_ACI 0x60 /* Mask for ACI field */ |
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#define WME_PARAM_ACI_S 5 /* Shift for ACI field */ |
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#define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ |
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#define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ |
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#define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ |
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#define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ |
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#define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ |
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#define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ |
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#define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ |
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#define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ |
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|
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#define WME_AC_TO_TID(_ac) ( \
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((_ac) == WME_AC_VO) ? 6 : \
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((_ac) == WME_AC_VI) ? 5 : \
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((_ac) == WME_AC_BK) ? 1 : \
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0)
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#define TID_TO_WME_AC(_tid) ( \
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((_tid) < 1) ? WME_AC_BE : \
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((_tid) < 3) ? WME_AC_BK : \
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((_tid) < 6) ? WME_AC_VI : \
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WME_AC_VO) |
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|
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/*
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* WME Parameter Element
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*/
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struct ieee80211_wme_param {
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u_int8_t param_id; |
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u_int8_t param_len; |
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u_int8_t param_oui[3];
|
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u_int8_t param_oui_type; |
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u_int8_t param_oui_sybtype; |
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u_int8_t param_version; |
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u_int8_t param_qosInfo; |
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#define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ |
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u_int8_t param_reserved; |
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struct ieee80211_wme_acparams params_acParams[WME_NUM_AC];
|
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} __packed; |
| 302 |
|
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/*
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* Management Notification Frame
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*/
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struct ieee80211_mnf {
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u_int8_t mnf_category; |
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u_int8_t mnf_action; |
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u_int8_t mnf_dialog; |
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u_int8_t mnf_status; |
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} __packed; |
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#define MNF_SETUP_REQ 0 |
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#define MNF_SETUP_RESP 1 |
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#define MNF_TEARDOWN 2 |
| 315 |
|
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/*
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* Control frames.
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*/
|
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struct ieee80211_frame_min {
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u_int8_t i_fc[2];
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u_int8_t i_dur[2];
|
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u_int8_t i_addr1[IEEE80211_ADDR_LEN]; |
| 323 |
u_int8_t i_addr2[IEEE80211_ADDR_LEN]; |
| 324 |
/* FCS */
|
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} __packed; |
| 326 |
|
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struct ieee80211_frame_rts {
|
| 328 |
u_int8_t i_fc[2];
|
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u_int8_t i_dur[2];
|
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u_int8_t i_ra[IEEE80211_ADDR_LEN]; |
| 331 |
u_int8_t i_ta[IEEE80211_ADDR_LEN]; |
| 332 |
/* FCS */
|
| 333 |
} __packed; |
| 334 |
|
| 335 |
struct ieee80211_frame_cts {
|
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u_int8_t i_fc[2];
|
| 337 |
u_int8_t i_dur[2];
|
| 338 |
u_int8_t i_ra[IEEE80211_ADDR_LEN]; |
| 339 |
/* FCS */
|
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} __packed; |
| 341 |
|
| 342 |
struct ieee80211_frame_ack {
|
| 343 |
u_int8_t i_fc[2];
|
| 344 |
u_int8_t i_dur[2];
|
| 345 |
u_int8_t i_ra[IEEE80211_ADDR_LEN]; |
| 346 |
/* FCS */
|
| 347 |
} __packed; |
| 348 |
|
| 349 |
struct ieee80211_frame_pspoll {
|
| 350 |
u_int8_t i_fc[2];
|
| 351 |
u_int8_t i_aid[2];
|
| 352 |
u_int8_t i_bssid[IEEE80211_ADDR_LEN]; |
| 353 |
u_int8_t i_ta[IEEE80211_ADDR_LEN]; |
| 354 |
/* FCS */
|
| 355 |
} __packed; |
| 356 |
|
| 357 |
struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ |
| 358 |
u_int8_t i_fc[2];
|
| 359 |
u_int8_t i_dur[2]; /* should be zero */ |
| 360 |
u_int8_t i_ra[IEEE80211_ADDR_LEN]; |
| 361 |
u_int8_t i_bssid[IEEE80211_ADDR_LEN]; |
| 362 |
/* FCS */
|
| 363 |
} __packed; |
| 364 |
|
| 365 |
static __inline int |
| 366 |
ieee80211_has_seq(const struct ieee80211_frame *wh) |
| 367 |
{
|
| 368 |
return (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != |
| 369 |
IEEE80211_FC0_TYPE_CTL; |
| 370 |
} |
| 371 |
|
| 372 |
static __inline int |
| 373 |
ieee80211_has_addr4(const struct ieee80211_frame *wh) |
| 374 |
{
|
| 375 |
return (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) == |
| 376 |
IEEE80211_FC1_DIR_DSTODS; |
| 377 |
} |
| 378 |
|
| 379 |
static __inline int |
| 380 |
ieee80211_has_qos(const struct ieee80211_frame *wh) |
| 381 |
{
|
| 382 |
return (wh->i_fc[0] & |
| 383 |
(IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == |
| 384 |
(IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS); |
| 385 |
} |
| 386 |
|
| 387 |
static __inline int |
| 388 |
ieee80211_has_htc(const struct ieee80211_frame *wh) |
| 389 |
{
|
| 390 |
return (wh->i_fc[1] & IEEE80211_FC1_ORDER) && |
| 391 |
(ieee80211_has_qos(wh) || |
| 392 |
(wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
|
| 393 |
IEEE80211_FC0_TYPE_MGT); |
| 394 |
} |
| 395 |
|
| 396 |
static __inline u_int16_t
|
| 397 |
ieee80211_get_qos(const struct ieee80211_frame *wh) |
| 398 |
{
|
| 399 |
const u_int8_t *frm;
|
| 400 |
|
| 401 |
if (ieee80211_has_addr4(wh))
|
| 402 |
frm = ((const struct ieee80211_qosframe_addr4 *)wh)->i_qos; |
| 403 |
else
|
| 404 |
frm = ((const struct ieee80211_qosframe *)wh)->i_qos; |
| 405 |
|
| 406 |
return le16toh(*(const u_int16_t *)frm); |
| 407 |
} |
| 408 |
|
| 409 |
/*
|
| 410 |
* BEACON management packets
|
| 411 |
*
|
| 412 |
* octet timestamp[8]
|
| 413 |
* octet beacon interval[2]
|
| 414 |
* octet capability information[2]
|
| 415 |
* information element
|
| 416 |
* octet elemid
|
| 417 |
* octet length
|
| 418 |
* octet information[length]
|
| 419 |
*/
|
| 420 |
|
| 421 |
typedef u_int8_t *ieee80211_mgt_beacon_t;
|
| 422 |
|
| 423 |
#define IEEE80211_BEACON_INTERVAL(beacon) \
|
| 424 |
((beacon)[8] | ((beacon)[9] << 8)) |
| 425 |
#define IEEE80211_BEACON_CAPABILITY(beacon) \
|
| 426 |
((beacon)[10] | ((beacon)[11] << 8)) |
| 427 |
|
| 428 |
#define IEEE80211_CAPINFO_ESS 0x0001 |
| 429 |
#define IEEE80211_CAPINFO_IBSS 0x0002 |
| 430 |
#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 |
| 431 |
#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 |
| 432 |
#define IEEE80211_CAPINFO_PRIVACY 0x0010 |
| 433 |
#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 |
| 434 |
#define IEEE80211_CAPINFO_PBCC 0x0040 |
| 435 |
#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 |
| 436 |
/* bits 8-9 are reserved */
|
| 437 |
#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 |
| 438 |
#define IEEE80211_CAPINFO_RSN 0x0800 |
| 439 |
/* bit 12 is reserved */
|
| 440 |
#define IEEE80211_CAPINFO_DSSSOFDM 0x2000 |
| 441 |
/* bits 14-15 are reserved */
|
| 442 |
|
| 443 |
/*
|
| 444 |
* 802.11i/WPA information element (maximally sized).
|
| 445 |
*/
|
| 446 |
struct ieee80211_ie_wpa {
|
| 447 |
u_int8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
|
| 448 |
u_int8_t wpa_len; /* length in bytes */
|
| 449 |
u_int8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ |
| 450 |
u_int8_t wpa_type; /* OUI type */
|
| 451 |
u_int16_t wpa_version; /* spec revision */
|
| 452 |
u_int32_t wpa_mcipher[1]; /* multicast/group key cipher */ |
| 453 |
u_int16_t wpa_uciphercnt; /* # pairwise key ciphers */
|
| 454 |
u_int32_t wpa_uciphers[8];/* ciphers */ |
| 455 |
u_int16_t wpa_authselcnt; /* authentication selector cnt*/
|
| 456 |
u_int32_t wpa_authsels[8];/* selectors */ |
| 457 |
u_int16_t wpa_caps; /* 802.11i capabilities */
|
| 458 |
u_int16_t wpa_pmkidcnt; /* 802.11i pmkid count */
|
| 459 |
u_int16_t wpa_pmkids[8]; /* 802.11i pmkids */ |
| 460 |
} __packed; |
| 461 |
|
| 462 |
/*
|
| 463 |
* Management information element payloads.
|
| 464 |
*/
|
| 465 |
|
| 466 |
enum {
|
| 467 |
IEEE80211_ELEMID_SSID = 0,
|
| 468 |
IEEE80211_ELEMID_RATES = 1,
|
| 469 |
IEEE80211_ELEMID_FHPARMS = 2,
|
| 470 |
IEEE80211_ELEMID_DSPARMS = 3,
|
| 471 |
IEEE80211_ELEMID_CFPARMS = 4,
|
| 472 |
IEEE80211_ELEMID_TIM = 5,
|
| 473 |
IEEE80211_ELEMID_IBSSPARMS = 6,
|
| 474 |
IEEE80211_ELEMID_COUNTRY = 7,
|
| 475 |
IEEE80211_ELEMID_EDCAPARMS = 12,
|
| 476 |
IEEE80211_ELEMID_CHALLENGE = 16,
|
| 477 |
/* 17-31 reserved for challenge text extension */
|
| 478 |
IEEE80211_ELEMID_PWRCNSTR = 32,
|
| 479 |
IEEE80211_ELEMID_PWRCAP = 33,
|
| 480 |
IEEE80211_ELEMID_TPCREQ = 34,
|
| 481 |
IEEE80211_ELEMID_TPCREP = 35,
|
| 482 |
IEEE80211_ELEMID_SUPPCHAN = 36,
|
| 483 |
IEEE80211_ELEMID_CHANSWITCHANN = 37,
|
| 484 |
IEEE80211_ELEMID_MEASREQ = 38,
|
| 485 |
IEEE80211_ELEMID_MEASREP = 39,
|
| 486 |
IEEE80211_ELEMID_QUIET = 40,
|
| 487 |
IEEE80211_ELEMID_IBSSDFS = 41,
|
| 488 |
IEEE80211_ELEMID_ERP = 42,
|
| 489 |
IEEE80211_ELEMID_HTCAP = 45, /* 11n */ |
| 490 |
IEEE80211_ELEMID_QOS_CAP = 46,
|
| 491 |
IEEE80211_ELEMID_RSN = 48,
|
| 492 |
IEEE80211_ELEMID_XRATES = 50,
|
| 493 |
IEEE80211_ELEMID_TIE = 56, /* 11r */ |
| 494 |
IEEE80211_ELEMID_HTINFO = 61, /* 11n */ |
| 495 |
IEEE80211_ELEMID_MMIE = 76, /* 11w */ |
| 496 |
IEEE80211_ELEMID_TPC = 150,
|
| 497 |
IEEE80211_ELEMID_CCKM = 156,
|
| 498 |
IEEE80211_ELEMID_VENDOR = 221 /* vendor private */ |
| 499 |
}; |
| 500 |
|
| 501 |
struct ieee80211_tim_ie {
|
| 502 |
u_int8_t tim_ie; /* IEEE80211_ELEMID_TIM */
|
| 503 |
u_int8_t tim_len; |
| 504 |
u_int8_t tim_count; /* DTIM count */
|
| 505 |
u_int8_t tim_period; /* DTIM period */
|
| 506 |
u_int8_t tim_bitctl; /* bitmap control */
|
| 507 |
u_int8_t tim_bitmap[1]; /* variable-length bitmap */ |
| 508 |
} __packed; |
| 509 |
|
| 510 |
struct ieee80211_band {
|
| 511 |
u_int8_t schan; /* starting channel */
|
| 512 |
u_int8_t nchan; /* number channels */
|
| 513 |
u_int8_t maxtxpwr; /* tx power cap */
|
| 514 |
} __packed; |
| 515 |
|
| 516 |
struct ieee80211_country_ie {
|
| 517 |
u_int8_t ie; /* IEEE80211_ELEMID_COUNTRY */
|
| 518 |
u_int8_t len; |
| 519 |
u_int8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ |
| 520 |
struct ieee80211_band band[4]; /* up to 4 sub bands */ |
| 521 |
} __packed; |
| 522 |
|
| 523 |
#define IEEE80211_CHALLENGE_LEN 128 |
| 524 |
|
| 525 |
#define IEEE80211_RATE_BASIC 0x80 |
| 526 |
#define IEEE80211_RATE_VAL 0x7f |
| 527 |
|
| 528 |
/* EPR information element flags */
|
| 529 |
#define IEEE80211_ERP_NON_ERP_PRESENT 0x01 |
| 530 |
#define IEEE80211_ERP_USE_PROTECTION 0x02 |
| 531 |
#define IEEE80211_ERP_LONG_PREAMBLE 0x04 |
| 532 |
|
| 533 |
/* Atheros private advanced capabilities info */
|
| 534 |
#define ATHEROS_CAP_TURBO_PRIME 0x01 |
| 535 |
#define ATHEROS_CAP_COMPRESSION 0x02 |
| 536 |
#define ATHEROS_CAP_FAST_FRAME 0x04 |
| 537 |
/* bits 3-6 reserved */
|
| 538 |
#define ATHEROS_CAP_BOOST 0x80 |
| 539 |
|
| 540 |
#define ATH_OUI 0x7f0300 /* Atheros OUI */ |
| 541 |
#define ATH_OUI_TYPE 0x01 |
| 542 |
#define ATH_OUI_VERSION 0x01 |
| 543 |
|
| 544 |
#define WPA_OUI 0xf25000 |
| 545 |
#define WPA_OUI_TYPE 0x01 |
| 546 |
#define WPA_VERSION 1 /* current supported version */ |
| 547 |
|
| 548 |
#define WPA_CSE_NULL 0x00 |
| 549 |
#define WPA_CSE_WEP40 0x01 |
| 550 |
#define WPA_CSE_TKIP 0x02 |
| 551 |
#define WPA_CSE_CCMP 0x04 |
| 552 |
#define WPA_CSE_WEP104 0x05 |
| 553 |
|
| 554 |
#define WPA_ASE_NONE 0x00 |
| 555 |
#define WPA_ASE_8021X_UNSPEC 0x01 |
| 556 |
#define WPA_ASE_8021X_PSK 0x02 |
| 557 |
|
| 558 |
#define RSN_OUI 0xac0f00 |
| 559 |
#define RSN_VERSION 1 /* current supported version */ |
| 560 |
|
| 561 |
#define RSN_CSE_NULL 0x00 |
| 562 |
#define RSN_CSE_WEP40 0x01 |
| 563 |
#define RSN_CSE_TKIP 0x02 |
| 564 |
#define RSN_CSE_WRAP 0x03 |
| 565 |
#define RSN_CSE_CCMP 0x04 |
| 566 |
#define RSN_CSE_WEP104 0x05 |
| 567 |
|
| 568 |
#define RSN_ASE_NONE 0x00 |
| 569 |
#define RSN_ASE_8021X_UNSPEC 0x01 |
| 570 |
#define RSN_ASE_8021X_PSK 0x02 |
| 571 |
|
| 572 |
#define RSN_CAP_PREAUTH 0x01 |
| 573 |
|
| 574 |
#define WME_OUI 0xf25000 |
| 575 |
#define WME_OUI_TYPE 0x02 |
| 576 |
#define WME_INFO_OUI_SUBTYPE 0x00 |
| 577 |
#define WME_PARAM_OUI_SUBTYPE 0x01 |
| 578 |
#define WME_VERSION 1 |
| 579 |
|
| 580 |
/*
|
| 581 |
* AUTH management packets
|
| 582 |
*
|
| 583 |
* octet algo[2]
|
| 584 |
* octet seq[2]
|
| 585 |
* octet status[2]
|
| 586 |
* octet chal.id
|
| 587 |
* octet chal.length
|
| 588 |
* octet chal.text[253]
|
| 589 |
*/
|
| 590 |
|
| 591 |
typedef u_int8_t *ieee80211_mgt_auth_t;
|
| 592 |
|
| 593 |
#define IEEE80211_AUTH_ALGORITHM(auth) \
|
| 594 |
((auth)[0] | ((auth)[1] << 8)) |
| 595 |
#define IEEE80211_AUTH_TRANSACTION(auth) \
|
| 596 |
((auth)[2] | ((auth)[3] << 8)) |
| 597 |
#define IEEE80211_AUTH_STATUS(auth) \
|
| 598 |
((auth)[4] | ((auth)[5] << 8)) |
| 599 |
|
| 600 |
#define IEEE80211_AUTH_ALG_OPEN 0x0000 |
| 601 |
#define IEEE80211_AUTH_ALG_SHARED 0x0001 |
| 602 |
#define IEEE80211_AUTH_ALG_LEAP 0x0080 |
| 603 |
|
| 604 |
enum {
|
| 605 |
IEEE80211_AUTH_OPEN_REQUEST = 1,
|
| 606 |
IEEE80211_AUTH_OPEN_RESPONSE = 2
|
| 607 |
}; |
| 608 |
|
| 609 |
enum {
|
| 610 |
IEEE80211_AUTH_SHARED_REQUEST = 1,
|
| 611 |
IEEE80211_AUTH_SHARED_CHALLENGE = 2,
|
| 612 |
IEEE80211_AUTH_SHARED_RESPONSE = 3,
|
| 613 |
IEEE80211_AUTH_SHARED_PASS = 4
|
| 614 |
}; |
| 615 |
|
| 616 |
/*
|
| 617 |
* Reason codes
|
| 618 |
*
|
| 619 |
* Unlisted codes are reserved
|
| 620 |
*/
|
| 621 |
|
| 622 |
enum {
|
| 623 |
IEEE80211_REASON_UNSPECIFIED = 1,
|
| 624 |
IEEE80211_REASON_AUTH_EXPIRE = 2,
|
| 625 |
IEEE80211_REASON_AUTH_LEAVE = 3,
|
| 626 |
IEEE80211_REASON_ASSOC_EXPIRE = 4,
|
| 627 |
IEEE80211_REASON_ASSOC_TOOMANY = 5,
|
| 628 |
IEEE80211_REASON_NOT_AUTHED = 6,
|
| 629 |
IEEE80211_REASON_NOT_ASSOCED = 7,
|
| 630 |
IEEE80211_REASON_ASSOC_LEAVE = 8,
|
| 631 |
IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
|
| 632 |
|
| 633 |
IEEE80211_REASON_RSN_REQUIRED = 11,
|
| 634 |
IEEE80211_REASON_RSN_INCONSISTENT = 12,
|
| 635 |
IEEE80211_REASON_IE_INVALID = 13,
|
| 636 |
IEEE80211_REASON_MIC_FAILURE = 14,
|
| 637 |
|
| 638 |
IEEE80211_STATUS_SUCCESS = 0,
|
| 639 |
IEEE80211_STATUS_UNSPECIFIED = 1,
|
| 640 |
IEEE80211_STATUS_CAPINFO = 10,
|
| 641 |
IEEE80211_STATUS_NOT_ASSOCED = 11,
|
| 642 |
IEEE80211_STATUS_OTHER = 12,
|
| 643 |
IEEE80211_STATUS_ALG = 13,
|
| 644 |
IEEE80211_STATUS_SEQUENCE = 14,
|
| 645 |
IEEE80211_STATUS_CHALLENGE = 15,
|
| 646 |
IEEE80211_STATUS_TIMEOUT = 16,
|
| 647 |
IEEE80211_STATUS_TOOMANY = 17,
|
| 648 |
IEEE80211_STATUS_BASIC_RATE = 18,
|
| 649 |
IEEE80211_STATUS_SP_REQUIRED = 19,
|
| 650 |
IEEE80211_STATUS_PBCC_REQUIRED = 20,
|
| 651 |
IEEE80211_STATUS_CA_REQUIRED = 21,
|
| 652 |
IEEE80211_STATUS_TOO_MANY_STATIONS = 22,
|
| 653 |
IEEE80211_STATUS_RATES = 23,
|
| 654 |
IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25,
|
| 655 |
IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26
|
| 656 |
}; |
| 657 |
|
| 658 |
#define IEEE80211_WEP_KEYLEN 5 /* 40bit */ |
| 659 |
#define IEEE80211_WEP_IVLEN 3 /* 24bit */ |
| 660 |
#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ |
| 661 |
#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ |
| 662 |
#define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \
|
| 663 |
IEEE80211_WEP_KIDLEN + \ |
| 664 |
IEEE80211_WEP_CRCLEN) |
| 665 |
#define IEEE80211_WEP_NKID 4 /* number of key ids */ |
| 666 |
|
| 667 |
/*
|
| 668 |
* 802.11i defines an extended IV for use with non-WEP ciphers.
|
| 669 |
* When the EXTIV bit is set in the key id byte an additional
|
| 670 |
* 4 bytes immediately follow the IV for TKIP. For CCMP the
|
| 671 |
* EXTIV bit is likewise set but the 8 bytes represent the
|
| 672 |
* CCMP header rather than IV+extended-IV.
|
| 673 |
*/
|
| 674 |
#define IEEE80211_WEP_EXTIV 0x20 |
| 675 |
#define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ |
| 676 |
#define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ |
| 677 |
|
| 678 |
#define IEEE80211_CRC_LEN 4 |
| 679 |
|
| 680 |
/*
|
| 681 |
* Maximum acceptable MTU is:
|
| 682 |
* IEEE80211_MAX_LEN - WEP overhead - CRC -
|
| 683 |
* QoS overhead - RSN/WPA overhead
|
| 684 |
* Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
|
| 685 |
* mtu is Ethernet-compatible; it's set by ether_ifattach.
|
| 686 |
*/
|
| 687 |
#define IEEE80211_MTU_MAX 2290 |
| 688 |
#define IEEE80211_MTU_MIN 32 |
| 689 |
|
| 690 |
#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ |
| 691 |
(IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) |
| 692 |
#define IEEE80211_ACK_LEN \
|
| 693 |
(sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) |
| 694 |
#define IEEE80211_MIN_LEN \
|
| 695 |
(sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) |
| 696 |
|
| 697 |
/*
|
| 698 |
* The 802.11 spec says at most 2007 stations may be
|
| 699 |
* associated at once. For most AP's this is way more
|
| 700 |
* than is feasible so we use a default of 128. This
|
| 701 |
* number may be overridden by the driver and/or by
|
| 702 |
* user configuration.
|
| 703 |
*/
|
| 704 |
#define IEEE80211_AID_MAX 2007 |
| 705 |
#define IEEE80211_AID_DEF 128 |
| 706 |
|
| 707 |
#define IEEE80211_AID(b) ((b) &~ 0xc000) |
| 708 |
|
| 709 |
/*
|
| 710 |
* RTS frame length parameters. The default is specified in
|
| 711 |
* the 802.11 spec as 512; we treat it as implementation-dependent
|
| 712 |
* so it's defined in ieee80211_var.h. The max may be wrong
|
| 713 |
* for jumbo frames.
|
| 714 |
*/
|
| 715 |
#define IEEE80211_RTS_MIN 1 |
| 716 |
#define IEEE80211_RTS_MAX 2346 |
| 717 |
|
| 718 |
/*
|
| 719 |
* TX fragmentation parameters. As above for RTS, we treat
|
| 720 |
* default as implementation-dependent so define it elsewhere.
|
| 721 |
*/
|
| 722 |
#define IEEE80211_FRAG_MIN 256 |
| 723 |
#define IEEE80211_FRAG_MAX 2346 |
| 724 |
|
| 725 |
/*
|
| 726 |
* 802.11 frame duration definitions.
|
| 727 |
*/
|
| 728 |
|
| 729 |
struct ieee80211_duration {
|
| 730 |
uint16_t d_rts_dur; |
| 731 |
uint16_t d_data_dur; |
| 732 |
uint16_t d_plcp_len; |
| 733 |
uint8_t d_residue; /* unused octets in time slot */
|
| 734 |
}; |
| 735 |
|
| 736 |
/* One Time Unit (TU) is 1Kus = 1024 microseconds. */
|
| 737 |
#define IEEE80211_DUR_TU 1024 |
| 738 |
|
| 739 |
/* IEEE 802.11b durations for DSSS PHY in microseconds */
|
| 740 |
#define IEEE80211_DUR_DS_LONG_PREAMBLE 144 |
| 741 |
#define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 |
| 742 |
|
| 743 |
#define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 |
| 744 |
#define IEEE80211_DUR_DS_FAST_PLCPHDR 24 |
| 745 |
#define IEEE80211_DUR_DS_SLOW_ACK 112 |
| 746 |
#define IEEE80211_DUR_DS_FAST_ACK 56 |
| 747 |
#define IEEE80211_DUR_DS_SLOW_CTS 112 |
| 748 |
#define IEEE80211_DUR_DS_FAST_CTS 56 |
| 749 |
|
| 750 |
#define IEEE80211_DUR_DS_SLOT 20 |
| 751 |
#define IEEE80211_DUR_DS_SIFS 10 |
| 752 |
#define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT)
|
| 753 |
#define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \
|
| 754 |
2 * IEEE80211_DUR_DS_SLOT)
|
| 755 |
#define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \
|
| 756 |
IEEE80211_DUR_DS_SLOW_ACK + \ |
| 757 |
IEEE80211_DUR_DS_LONG_PREAMBLE + \ |
| 758 |
IEEE80211_DUR_DS_SLOW_PLCPHDR + \ |
| 759 |
IEEE80211_DUR_DS_DIFS) |
| 760 |
|
| 761 |
|
| 762 |
#endif /* !_NET80211_IEEE80211_H_ */ |