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madwifi/net80211/ieee80211.h
mentor 9a2f6efd63 Correctly name Data type Null subtype frame. 
Do not try to process Null and QoS Null frames as data.


git-svn-id: http://madwifi-project.org/svn/madwifi/trunk@3749 0192ed92-7a03-0410-a25b-9323aeb14dbd
2008-07-05 01:00:32 +00:00

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32 KiB
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/*-
* 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.
*
* $Id$
*/
#ifndef _NET80211_IEEE80211_H_
#define _NET80211_IEEE80211_H_
/*
* 802.11 protocol definitions.
*/
#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */
/* is 802.11 address multicast/broadcast? */
#define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01)
/* IEEE 802.11 PLCP header */
struct ieee80211_plcp_hdr {
u_int16_t i_sfd;
u_int8_t i_signal;
u_int8_t i_service;
u_int16_t i_length;
u_int16_t i_crc;
} __packed;
#define IEEE80211_PLCP_SFD 0xF3A0
#define IEEE80211_PLCP_SERVICE 0x00
/*
* generic definitions for IEEE 802.11 frames
*/
struct ieee80211_frame {
u_int8_t i_fc[2];
__le16 i_dur;
u_int8_t i_addr1[IEEE80211_ADDR_LEN];
u_int8_t i_addr2[IEEE80211_ADDR_LEN];
u_int8_t i_addr3[IEEE80211_ADDR_LEN];
u_int8_t i_seq[2];
/* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
/* see below */
} __packed;
struct ieee80211_qosframe {
u_int8_t i_fc[2];
__le16 i_dur;
u_int8_t i_addr1[IEEE80211_ADDR_LEN];
u_int8_t i_addr2[IEEE80211_ADDR_LEN];
u_int8_t i_addr3[IEEE80211_ADDR_LEN];
u_int8_t i_seq[2];
u_int8_t i_qos[2];
/* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
/* see below */
} __packed;
struct ieee80211_qoscntl {
u_int8_t i_qos[2];
};
struct ieee80211_frame_addr4 {
u_int8_t i_fc[2];
__le16 i_dur;
u_int8_t i_addr1[IEEE80211_ADDR_LEN];
u_int8_t i_addr2[IEEE80211_ADDR_LEN];
u_int8_t i_addr3[IEEE80211_ADDR_LEN];
u_int8_t i_seq[2];
u_int8_t i_addr4[IEEE80211_ADDR_LEN];
} __packed;
struct ieee80211_qosframe_addr4 {
u_int8_t i_fc[2];
__le16 i_dur;
u_int8_t i_addr1[IEEE80211_ADDR_LEN];
u_int8_t i_addr2[IEEE80211_ADDR_LEN];
u_int8_t i_addr3[IEEE80211_ADDR_LEN];
u_int8_t i_seq[2];
u_int8_t i_addr4[IEEE80211_ADDR_LEN];
u_int8_t i_qos[2];
} __packed;
struct ieee80211_ctlframe_addr2 {
u_int8_t i_fc[2];
__le16 i_aidordur; /* AID or duration */
u_int8_t i_addr1[IEEE80211_ADDR_LEN];
u_int8_t i_addr2[IEEE80211_ADDR_LEN];
} __packed;
#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
#define IEEE80211_FC0_SUBTYPE_ACTION 0xd0
/* 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_NULL 0x40
#define IEEE80211_FC0_SUBTYPE_CFACK 0x50
#define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60
#define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 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_PROT 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_SEQ_LEQ(a,b) ((int)((a)-(b)) <= 0)
#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_EOSP 0x10
#define IEEE80211_QOS_EOSP_S 4
#define IEEE80211_QOS_TID 0x0f
#define IEEE80211_FRM_HAS_BODY(_wh) \
(((_wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != \
IEEE80211_FC0_TYPE_CTL)
/*
* Country/Region Codes from MS WINNLS.H
* Numbering from ISO 3166
* XXX belongs elsewhere
*/
enum CountryCode {
CTRY_ALBANIA = 8, /* Albania */
CTRY_ALGERIA = 12, /* Algeria */
CTRY_ARGENTINA = 32, /* Argentina */
CTRY_ARMENIA = 51, /* Armenia */
CTRY_AUSTRALIA = 36, /* Australia */
CTRY_AUSTRIA = 40, /* Austria */
CTRY_AZERBAIJAN = 31, /* Azerbaijan */
CTRY_BAHRAIN = 48, /* Bahrain */
CTRY_BELARUS = 112, /* Belarus */
CTRY_BELGIUM = 56, /* Belgium */
CTRY_BELIZE = 84, /* Belize */
CTRY_BOLIVIA = 68, /* Bolivia */
CTRY_BRAZIL = 76, /* Brazil */
CTRY_BRUNEI_DARUSSALAM = 96, /* Brunei Darussalam */
CTRY_BULGARIA = 100, /* Bulgaria */
CTRY_CANADA = 124, /* Canada */
CTRY_CHILE = 152, /* Chile */
CTRY_CHINA = 156, /* People's Republic of China */
CTRY_COLOMBIA = 170, /* Colombia */
CTRY_COSTA_RICA = 188, /* Costa Rica */
CTRY_CROATIA = 191, /* Croatia */
CTRY_CYPRUS = 196,
CTRY_CZECH = 203, /* Czech Republic */
CTRY_DENMARK = 208, /* Denmark */
CTRY_DOMINICAN_REPUBLIC = 214, /* Dominican Republic */
CTRY_ECUADOR = 218, /* Ecuador */
CTRY_EGYPT = 818, /* Egypt */
CTRY_EL_SALVADOR = 222, /* El Salvador */
CTRY_ESTONIA = 233, /* Estonia */
CTRY_FAEROE_ISLANDS = 234, /* Faeroe Islands */
CTRY_FINLAND = 246, /* Finland */
CTRY_FRANCE = 250, /* France */
CTRY_FRANCE2 = 255, /* France2 */
CTRY_GEORGIA = 268, /* Georgia */
CTRY_GERMANY = 276, /* Germany */
CTRY_GREECE = 300, /* Greece */
CTRY_GUATEMALA = 320, /* Guatemala */
CTRY_HONDURAS = 340, /* Honduras */
CTRY_HONG_KONG = 344, /* Hong Kong S.A.R., P.R.C. */
CTRY_HUNGARY = 348, /* Hungary */
CTRY_ICELAND = 352, /* Iceland */
CTRY_INDIA = 356, /* India */
CTRY_INDONESIA = 360, /* Indonesia */
CTRY_IRAN = 364, /* Iran */
CTRY_IRAQ = 368, /* Iraq */
CTRY_IRELAND = 372, /* Ireland */
CTRY_ISRAEL = 376, /* Israel */
CTRY_ITALY = 380, /* Italy */
CTRY_JAMAICA = 388, /* Jamaica */
CTRY_JAPAN = 392, /* Japan */
CTRY_JAPAN1 = 393, /* Japan (JP1) */
CTRY_JAPAN2 = 394, /* Japan (JP0) */
CTRY_JAPAN3 = 395, /* Japan (JP1-1) */
CTRY_JAPAN4 = 396, /* Japan (JE1) */
CTRY_JAPAN5 = 397, /* Japan (JE2) */
CTRY_JAPAN6 = 399, /* Japan (JP6) */
CTRY_JAPAN7 = 900, /* Japan */
CTRY_JAPAN8 = 901, /* Japan */
CTRY_JAPAN9 = 902, /* Japan */
CTRY_JAPAN10 = 903, /* Japan */
CTRY_JAPAN11 = 904, /* Japan */
CTRY_JAPAN12 = 905, /* Japan */
CTRY_JAPAN13 = 906, /* Japan */
CTRY_JAPAN14 = 907, /* Japan */
CTRY_JAPAN15 = 908, /* Japan */
CTRY_JAPAN16 = 909, /* Japan */
CTRY_JAPAN17 = 910, /* Japan */
CTRY_JAPAN18 = 911, /* Japan */
CTRY_JAPAN19 = 912, /* Japan */
CTRY_JAPAN20 = 913, /* Japan */
CTRY_JAPAN21 = 914, /* Japan */
CTRY_JAPAN22 = 915, /* Japan */
CTRY_JAPAN23 = 916, /* Japan */
CTRY_JAPAN24 = 917, /* Japan */
CTRY_JAPAN25 = 918, /* Japan */
CTRY_JAPAN26 = 919, /* Japan */
CTRY_JAPAN27 = 920, /* Japan */
CTRY_JAPAN28 = 921, /* Japan */
CTRY_JAPAN29 = 922, /* Japan */
CTRY_JAPAN30 = 923, /* Japan */
CTRY_JAPAN31 = 924, /* Japan */
CTRY_JAPAN32 = 925, /* Japan */
CTRY_JAPAN33 = 926, /* Japan */
CTRY_JAPAN34 = 927, /* Japan */
CTRY_JAPAN35 = 928, /* Japan */
CTRY_JAPAN36 = 929, /* Japan */
CTRY_JAPAN37 = 930, /* Japan */
CTRY_JAPAN38 = 931, /* Japan */
CTRY_JAPAN39 = 932, /* Japan */
CTRY_JAPAN40 = 933, /* Japan */
CTRY_JAPAN41 = 934, /* Japan */
CTRY_JAPAN42 = 935, /* Japan */
CTRY_JAPAN43 = 936, /* Japan */
CTRY_JAPAN44 = 937, /* Japan */
CTRY_JAPAN45 = 938, /* Japan */
CTRY_JAPAN46 = 939, /* Japan */
CTRY_JAPAN47 = 940, /* Japan */
CTRY_JAPAN48 = 941, /* Japan */
CTRY_JORDAN = 400, /* Jordan */
CTRY_KAZAKHSTAN = 398, /* Kazakhstan */
CTRY_KENYA = 404, /* Kenya */
CTRY_KOREA_NORTH = 408, /* North Korea */
CTRY_KOREA_ROC = 410, /* South Korea */
CTRY_KOREA_ROC2 = 411, /* South Korea */
CTRY_KUWAIT = 414, /* Kuwait */
CTRY_LATVIA = 428, /* Latvia */
CTRY_LEBANON = 422, /* Lebanon */
CTRY_LIBYA = 434, /* Libya */
CTRY_LIECHTENSTEIN = 438, /* Liechtenstein */
CTRY_LITHUANIA = 440, /* Lithuania */
CTRY_LUXEMBOURG = 442, /* Luxembourg */
CTRY_MACAU = 446, /* Macau */
CTRY_MACEDONIA = 807, /* the Former Yugoslav Republic of Macedonia */
CTRY_MALAYSIA = 458, /* Malaysia */
CTRY_MEXICO = 484, /* Mexico */
CTRY_MONACO = 492, /* Principality of Monaco */
CTRY_MOROCCO = 504, /* Morocco */
CTRY_NETHERLANDS = 528, /* Netherlands */
CTRY_NEW_ZEALAND = 554, /* New Zealand */
CTRY_NICARAGUA = 558, /* Nicaragua */
CTRY_NORWAY = 578, /* Norway */
CTRY_OMAN = 512, /* Oman */
CTRY_PAKISTAN = 586, /* Islamic Republic of Pakistan */
CTRY_PANAMA = 591, /* Panama */
CTRY_PARAGUAY = 600, /* Paraguay */
CTRY_PERU = 604, /* Peru */
CTRY_PHILIPPINES = 608, /* Republic of the Philippines */
CTRY_POLAND = 616, /* Poland */
CTRY_PORTUGAL = 620, /* Portugal */
CTRY_PUERTO_RICO = 630, /* Puerto Rico */
CTRY_QATAR = 634, /* Qatar */
CTRY_ROMANIA = 642, /* Romania */
CTRY_RUSSIA = 643, /* Russia */
CTRY_SAUDI_ARABIA = 682, /* Saudi Arabia */
CTRY_SINGAPORE = 702, /* Singapore */
CTRY_SLOVAKIA = 703, /* Slovak Republic */
CTRY_SLOVENIA = 705, /* Slovenia */
CTRY_SOUTH_AFRICA = 710, /* South Africa */
CTRY_SPAIN = 724, /* Spain */
CTRY_SWEDEN = 752, /* Sweden */
CTRY_SWITZERLAND = 756, /* Switzerland */
CTRY_SYRIA = 760, /* Syria */
CTRY_TAIWAN = 158, /* Taiwan */
CTRY_THAILAND = 764, /* Thailand */
CTRY_TRINIDAD_Y_TOBAGO = 780, /* Trinidad y Tobago */
CTRY_TUNISIA = 788, /* Tunisia */
CTRY_TURKEY = 792, /* Turkey */
CTRY_UAE = 784, /* U.A.E. */
CTRY_UKRAINE = 804, /* Ukraine */
CTRY_UNITED_KINGDOM = 826, /* United Kingdom */
CTRY_UNITED_STATES = 840, /* United States */
CTRY_UNITED_STATES_FCC49 = 842, /* United States (Public Safety)*/
CTRY_URUGUAY = 858, /* Uruguay */
CTRY_UZBEKISTAN = 860, /* Uzbekistan */
CTRY_VENEZUELA = 862, /* Venezuela */
CTRY_VIET_NAM = 704, /* Viet Nam */
CTRY_YEMEN = 887, /* Yemen */
CTRY_ZIMBABWE = 716 /* Zimbabwe */
};
/*
* Generic information element
*/
struct ieee80211_ie {
u_int8_t id;
u_int8_t len;
u_int8_t info[0];
} __packed;
/*
* Country information element.
*/
#define IEEE80211_COUNTRY_MAX_TRIPLETS (83)
struct ieee80211_ie_country {
u_int8_t country_id;
u_int8_t country_len;
u_int8_t country_str[3];
u_int8_t country_triplet[IEEE80211_COUNTRY_MAX_TRIPLETS * 3];
} __packed;
/*
* Power Constraint information element.
*/
struct ieee80211_ie_pwrcnstr {
u_int8_t pc_id; /* IEEE80211_ELEMID_PWRCNSTR */
u_int8_t pc_len; /* == 2 */
u_int8_t pc_lpc; /* Local Power Constraint [dB] */
} __packed;
/*
* Power Capability information element.
*/
struct ieee80211_ie_pwrcap {
u_int8_t pc_id; /* IEEE80211_ELEMID_PWRCAP */
u_int8_t pc_len; /* == 2 */
int8_t pc_mintxpow; /* Minimum Transmit Power Capability [dBm] */
int8_t pc_maxtxpow; /* Maximum Transmit Power Capability [dBm] */
} __packed;
/*
* Supported Channels information element.
*/
#define IEEE80211_SUPPCHAN_MAX_PAIRS (127)
struct ieee80211_ie_sc {
u_int8_t sc_id; /* IEEE80211_ELEMID_SUPPCHAN */
u_int8_t sc_len; /* == 2 * number of sc_subband elements */
struct {
u_int8_t sc_first; /* First Channel Number */
u_int8_t sc_number; /* Number of Channels */
} __packed sc_subband[IEEE80211_SUPPCHAN_MAX_PAIRS];
} __packed;
/*
* Channel Switch Announcement information element.
*/
struct ieee80211_ie_csa {
u_int8_t csa_id; /* IEEE80211_ELEMID_CHANSWITCHANN */
u_int8_t csa_len; /* == 3 */
u_int8_t csa_mode; /* Channel Switch Mode: 1 == stop transmission until CS */
u_int8_t csa_chan; /* New Channel Number */
u_int8_t csa_count; /* TBTTs until Channel Switch happens */
} __packed;
/* minimal Channel Switch Count in the initial announcement */
#define IEEE80211_CSA_PROTECTION_PERIOD 3
/* maximum allowed deviance of measurement of intervals between CSA in Beacons */
#define IEEE80211_CSA_SANITY_THRESHOLD 100
/* does frame have QoS sequence control data */
#define IEEE80211_QOS_HAS_SEQ(wh) \
(((wh)->i_fc[0] & \
(IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \
(IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS))
#define WME_QOSINFO_COUNT 0x0f /* Mask for Param Set Count field */
/*
* WME/802.11e information element.
*/
struct ieee80211_ie_wme {
u_int8_t wme_id; /* IEEE80211_ELEMID_VENDOR */
u_int8_t wme_len; /* length in bytes */
u_int8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */
u_int8_t wme_type; /* OUI type */
u_int8_t wme_subtype; /* OUI subtype */
u_int8_t wme_version; /* spec revision */
u_int8_t wme_info; /* QoS info */
} __packed;
/*
* WME/802.11e Tspec Element
*/
struct ieee80211_wme_tspec {
u_int8_t ts_id;
u_int8_t ts_len;
u_int8_t ts_oui[3];
u_int8_t ts_oui_type;
u_int8_t ts_oui_subtype;
u_int8_t ts_version;
u_int8_t ts_tsinfo[3];
u_int8_t ts_nom_msdu[2];
u_int8_t ts_max_msdu[2];
u_int8_t ts_min_svc[4];
u_int8_t ts_max_svc[4];
u_int8_t ts_inactv_intv[4];
u_int8_t ts_susp_intv[4];
u_int8_t ts_start_svc[4];
u_int8_t ts_min_rate[4];
u_int8_t ts_mean_rate[4];
u_int8_t ts_max_burst[4];
u_int8_t ts_min_phy[4];
u_int8_t ts_peak_rate[4];
u_int8_t ts_delay[4];
u_int8_t ts_surplus[2];
u_int8_t ts_medium_time[2];
} __packed;
/*
* WME AC parameter field
*/
struct ieee80211_wme_acparams {
u_int8_t acp_aci_aifsn;
u_int8_t acp_logcwminmax;
u_int16_t acp_txop;
} __packed;
#define IEEE80211_WME_PARAM_LEN 24
#define WME_NUM_AC 4 /* 4 AC categories */
#define WME_PARAM_ACI 0x60 /* Mask for ACI field */
#define WME_PARAM_ACI_S 5 /* Shift for ACI field */
#define WME_PARAM_ACM 0x10 /* Mask for ACM bit */
#define WME_PARAM_ACM_S 4 /* Shift for ACM bit */
#define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */
#define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */
#define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */
#define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */
#define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */
#define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */
#define WME_AC_TO_TID(_ac) ( \
((_ac) == WME_AC_VO) ? 6 : \
((_ac) == WME_AC_VI) ? 5 : \
((_ac) == WME_AC_BK) ? 1 : \
0)
#define TID_TO_WME_AC(_tid) ( \
((_tid) < 1) ? WME_AC_BE : \
((_tid) < 3) ? WME_AC_BK : \
((_tid) < 6) ? WME_AC_VI : \
WME_AC_VO)
/*
* WME Parameter Element
*/
struct ieee80211_wme_param {
u_int8_t param_id;
u_int8_t param_len;
u_int8_t param_oui[3];
u_int8_t param_oui_type;
u_int8_t param_oui_sybtype;
u_int8_t param_version;
u_int8_t param_qosInfo;
u_int8_t param_reserved;
struct ieee80211_wme_acparams params_acParams[WME_NUM_AC];
} __packed;
/*
* WME U-APSD qos info field defines
*/
#define WME_CAPINFO_UAPSD_EN 0x00000080
#define WME_CAPINFO_UAPSD_VO 0x00000001
#define WME_CAPINFO_UAPSD_VI 0x00000002
#define WME_CAPINFO_UAPSD_BK 0x00000004
#define WME_CAPINFO_UAPSD_BE 0x00000008
#define WME_CAPINFO_UAPSD_ACFLAGS_SHIFT 0
#define WME_CAPINFO_UAPSD_ACFLAGS_MASK 0xF
#define WME_CAPINFO_UAPSD_MAXSP_SHIFT 5
#define WME_CAPINFO_UAPSD_MAXSP_MASK 0x3
#define WME_CAPINFO_IE_OFFSET 8
#define WME_UAPSD_MAXSP(_qosinfo) \
(((_qosinfo) >> WME_CAPINFO_UAPSD_MAXSP_SHIFT) & \
WME_CAPINFO_UAPSD_MAXSP_MASK)
#define WME_UAPSD_AC_ENABLED(_ac, _qosinfo) \
((1 << (3 - (_ac))) & ( \
((_qosinfo) >> WME_CAPINFO_UAPSD_ACFLAGS_SHIFT) & \
WME_CAPINFO_UAPSD_ACFLAGS_MASK))
/*
* Atheros Advanced Capability information element.
*/
struct ieee80211_ie_athAdvCap {
u_int8_t athAdvCap_id; /* IEEE80211_ELEMID_VENDOR */
u_int8_t athAdvCap_len; /* length in bytes */
u_int8_t athAdvCap_oui[3]; /* 0x00, 0x03, 0x7f */
u_int8_t athAdvCap_type; /* OUI type */
u_int8_t athAdvCap_subtype; /* OUI subtype */
u_int8_t athAdvCap_version; /* spec revision */
u_int8_t athAdvCap_capability; /* Capability info */
u_int16_t athAdvCap_defKeyIndex;
} __packed;
/*
* Atheros XR information element.
*/
struct ieee80211_xr_param {
u_int8_t param_id;
u_int8_t param_len;
u_int8_t param_oui[3];
u_int8_t param_oui_type;
u_int8_t param_oui_sybtype;
u_int8_t param_version;
u_int8_t param_Info;
u_int8_t param_base_bssid[IEEE80211_ADDR_LEN];
u_int8_t param_xr_bssid[IEEE80211_ADDR_LEN];
u_int16_t param_xr_beacon_interval;
u_int8_t param_base_ath_capability;
u_int8_t param_xr_ath_capability;
} __packed;
/* Atheros capabilities */
#define IEEE80211_ATHC_TURBOP 0x0001 /* Turbo Prime */
#define IEEE80211_ATHC_COMP 0x0002 /* Compression */
#define IEEE80211_ATHC_FF 0x0004 /* Fast Frames */
#define IEEE80211_ATHC_XR 0x0008 /* Xtended Range support */
#define IEEE80211_ATHC_AR 0x0010 /* Advanced Radar support */
#define IEEE80211_ATHC_BURST 0x0020 /* Bursting - not negotiated */
#define IEEE80211_ATHC_WME 0x0040 /* CWMin tuning */
#define IEEE80211_ATHC_BOOST 0x0080 /* Boost */
/*
* Management Notification Frame
*/
struct ieee80211_mnf {
u_int8_t mnf_category;
u_int8_t mnf_action;
u_int8_t mnf_dialog;
u_int8_t mnf_status;
} __packed;
#define MNF_SETUP_REQ 0
#define MNF_SETUP_RESP 1
#define MNF_TEARDOWN 2
/*
* Control frames.
*/
struct ieee80211_frame_min {
u_int8_t i_fc[2];
__le16 i_dur;
u_int8_t i_addr1[IEEE80211_ADDR_LEN];
u_int8_t i_addr2[IEEE80211_ADDR_LEN];
/* FCS */
} __packed;
struct ieee80211_frame_rts {
u_int8_t i_fc[2];
__le16 i_dur;
u_int8_t i_ra[IEEE80211_ADDR_LEN];
u_int8_t i_ta[IEEE80211_ADDR_LEN];
/* FCS */
} __packed;
struct ieee80211_frame_cts {
u_int8_t i_fc[2];
__le16 i_dur;
u_int8_t i_ra[IEEE80211_ADDR_LEN];
/* FCS */
} __packed;
struct ieee80211_frame_ack {
u_int8_t i_fc[2];
__le16 i_dur;
u_int8_t i_ra[IEEE80211_ADDR_LEN];
/* FCS */
} __packed;
struct ieee80211_frame_pspoll {
u_int8_t i_fc[2];
u_int8_t i_aid[2];
u_int8_t i_bssid[IEEE80211_ADDR_LEN];
u_int8_t i_ta[IEEE80211_ADDR_LEN];
/* FCS */
} __packed;
struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */
u_int8_t i_fc[2];
__le16 i_dur; /* should be zero */
u_int8_t i_ra[IEEE80211_ADDR_LEN];
u_int8_t i_bssid[IEEE80211_ADDR_LEN];
/* FCS */
} __packed;
/*
* BEACON management packets
*
* octet timestamp[8]
* octet beacon interval[2]
* octet capability information[2]
* information element
* octet elemid
* octet length
* octet information[length]
*/
typedef u_int8_t *ieee80211_mgt_beacon_t;
#define IEEE80211_BEACON_INTERVAL(beacon) \
((beacon)[8] | ((beacon)[9] << 8))
#define IEEE80211_BEACON_CAPABILITY(beacon) \
((beacon)[10] | ((beacon)[11] << 8))
#define IEEE80211_CAPINFO_ESS 0x0001
#define IEEE80211_CAPINFO_IBSS 0x0002
#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
#define IEEE80211_CAPINFO_PRIVACY 0x0010
#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
#define IEEE80211_CAPINFO_PBCC 0x0040
#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
/* bits 8-9 are reserved (8 now for spectrum management) */
#define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100
#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
#define IEEE80211_CAPINFO_RSN 0x0800
/* bit 12 is reserved */
#define IEEE80211_CAPINFO_DSSSOFDM 0x2000
/* bits 14-15 are reserved */
/*
* 802.11i/WPA information element (maximally sized).
*/
struct ieee80211_ie_wpa {
u_int8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */
u_int8_t wpa_len; /* length in bytes */
u_int8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */
u_int8_t wpa_type; /* OUI type */
u_int16_t wpa_version; /* spec revision */
u_int32_t wpa_mcipher[1]; /* multicast/group key cipher */
u_int16_t wpa_uciphercnt; /* # pairwise key ciphers */
u_int32_t wpa_uciphers[8]; /* ciphers */
u_int16_t wpa_authselcnt; /* authentication selector cnt*/
u_int32_t wpa_authsels[8]; /* selectors */
u_int16_t wpa_caps; /* 802.11i capabilities */
u_int16_t wpa_pmkidcnt; /* 802.11i pmkid count */
u_int16_t wpa_pmkids[8]; /* 802.11i pmkids */
} __packed;
/*
* Management information element payloads.
*/
enum {
IEEE80211_ELEMID_SSID = 0,
IEEE80211_ELEMID_RATES = 1,
IEEE80211_ELEMID_FHPARMS = 2,
IEEE80211_ELEMID_DSPARMS = 3,
IEEE80211_ELEMID_CFPARMS = 4,
IEEE80211_ELEMID_TIM = 5,
IEEE80211_ELEMID_IBSSPARMS = 6,
IEEE80211_ELEMID_COUNTRY = 7,
IEEE80211_ELEMID_HOPPATRNPARMS = 8,
IEEE80211_ELEMID_HOPPATRNTABLE = 9,
IEEE80211_ELEMID_REQINFO = 10,
IEEE80211_ELEMID_QBSSLOAD = 11,
IEEE80211_ELEMID_EDCAPARAM = 12,
IEEE80211_ELEMID_TSPEC = 13,
IEEE80211_ELEMID_TRAFCLASS = 14,
IEEE80211_ELEMID_SCHEDULE = 15,
IEEE80211_ELEMID_CHALLENGE = 16,
/* 17-31 reserved for challenge text extension */
IEEE80211_ELEMID_PWRCNSTR = 32,
IEEE80211_ELEMID_PWRCAP = 33,
IEEE80211_ELEMID_TPCREQ = 34,
IEEE80211_ELEMID_TPCREP = 35,
IEEE80211_ELEMID_SUPPCHAN = 36,
IEEE80211_ELEMID_CHANSWITCHANN = 37,
IEEE80211_ELEMID_MEASREQ = 38,
IEEE80211_ELEMID_MEASREP = 39,
IEEE80211_ELEMID_QUIET = 40,
IEEE80211_ELEMID_IBSSDFS = 41,
IEEE80211_ELEMID_ERP = 42,
IEEE80211_ELEMID_TSDELAY = 43,
IEEE80211_ELEMID_TCLASSPROC = 44,
IEEE80211_ELEMID_QOS = 46,
IEEE80211_ELEMID_RSN = 48,
/* 49 reserved */
IEEE80211_ELEMID_XRATES = 50,
/* 128-129 proprietary elements used by Agere chipsets */
IEEE80211_ELEMID_AGERE1 = 128,
IEEE80211_ELEMID_AGERE2 = 129,
IEEE80211_ELEMID_TPC = 150,
IEEE80211_ELEMID_CCKM = 156,
IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
};
#define IEEE80211_CHANSWITCHANN_BYTES 5
#define BITCTL_BUFD_MCAST 1
#define BITCTL_BUFD_UCAST_AID_MASK ((u_int8_t)~(BITCTL_BUFD_MCAST))
#define BITCTL_BUFD_UCAST_AID_SHIFT 1
struct ieee80211_tim_ie {
u_int8_t tim_ie; /* IEEE80211_ELEMID_TIM */
u_int8_t tim_len;
u_int8_t tim_count; /* DTIM count */
u_int8_t tim_period; /* DTIM period */
u_int8_t tim_bitctl; /* bitmap control */
u_int8_t tim_bitmap[1]; /* variable-length bitmap */
} __packed;
struct ieee80211_country_ie {
u_int8_t ie; /* IEEE80211_ELEMID_COUNTRY */
u_int8_t len;
u_int8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */
struct {
u_int8_t schan; /* starting channel */
u_int8_t nchan; /* number channels */
u_int8_t maxtxpwr; /* tx power cap */
} __packed band[4]; /* up to 4 sub bands */
} __packed;
#define IEEE80211_CHALLENGE_LEN 128
#define IEEE80211_SUPPCHAN_LEN 26
#define IEEE80211_RATE_BASIC 0x80
#define IEEE80211_RATE_VAL 0x7f
/* EPR information element flags */
#define IEEE80211_ERP_NON_ERP_PRESENT 0x01
#define IEEE80211_ERP_USE_PROTECTION 0x02
#define IEEE80211_ERP_LONG_PREAMBLE 0x04
/* Atheros private advanced capabilities info */
#define ATHEROS_CAP_TURBO_PRIME 0x01
#define ATHEROS_CAP_COMPRESSION 0x02
#define ATHEROS_CAP_FAST_FRAME 0x04
/* bits 3-6 reserved */
#define ATHEROS_CAP_BOOST 0x80
#define ATH_OUI 0x7f0300 /* Atheros OUI */
#define ATH_OUI_TYPE 0x01
#define ATH_OUI_SUBTYPE 0x01
#define ATH_OUI_VERSION 0x00
#define ATH_OUI_TYPE_XR 0x03
#define ATH_OUI_SUBTYPE_XR 0x01
#define ATH_OUI_VER_XR 0x00
#define WPA_OUI 0xf25000
#define WPA_OUI_TYPE 0x01
#define WPA_VERSION 1 /* current supported version */
#define WPA_CSE_NULL 0x00
#define WPA_CSE_WEP40 0x01
#define WPA_CSE_TKIP 0x02
#define WPA_CSE_CCMP 0x04
#define WPA_CSE_WEP104 0x05
#define WPA_ASE_NONE 0x00
#define WPA_ASE_8021X_UNSPEC 0x01
#define WPA_ASE_8021X_PSK 0x02
#define RSN_OUI 0xac0f00
#define RSN_VERSION 1 /* current supported version */
#define RSN_CSE_NULL 0x00
#define RSN_CSE_WEP40 0x01
#define RSN_CSE_TKIP 0x02
#define RSN_CSE_WRAP 0x03
#define RSN_CSE_CCMP 0x04
#define RSN_CSE_WEP104 0x05
#define RSN_ASE_NONE 0x00
#define RSN_ASE_8021X_UNSPEC 0x01
#define RSN_ASE_8021X_PSK 0x02
#define RSN_CAP_PREAUTH 0x01
#define WME_OUI 0xf25000
#define WME_OUI_TYPE 0x02
#define WME_INFO_OUI_SUBTYPE 0x00
#define WME_PARAM_OUI_SUBTYPE 0x01
#define WME_VERSION 1
/* WME stream classes */
#define WME_AC_BE 0 /* best effort */
#define WME_AC_BK 1 /* background */
#define WME_AC_VI 2 /* video */
#define WME_AC_VO 3 /* voice */
/*
* AUTH management packets
*
* octet algo[2]
* octet seq[2]
* octet status[2]
* octet chal.id
* octet chal.length
* octet chal.text[253]
*/
typedef u_int8_t *ieee80211_mgt_auth_t;
#define IEEE80211_AUTH_ALGORITHM(auth) \
((auth)[0] | ((auth)[1] << 8))
#define IEEE80211_AUTH_TRANSACTION(auth) \
((auth)[2] | ((auth)[3] << 8))
#define IEEE80211_AUTH_STATUS(auth) \
((auth)[4] | ((auth)[5] << 8))
#define IEEE80211_AUTH_ALG_OPEN 0x0000
#define IEEE80211_AUTH_ALG_SHARED 0x0001
#define IEEE80211_AUTH_ALG_LEAP 0x0080
enum {
IEEE80211_AUTH_OPEN_REQUEST = 1,
IEEE80211_AUTH_OPEN_RESPONSE = 2,
};
enum {
IEEE80211_AUTH_SHARED_REQUEST = 1,
IEEE80211_AUTH_SHARED_CHALLENGE = 2,
IEEE80211_AUTH_SHARED_RESPONSE = 3,
IEEE80211_AUTH_SHARED_PASS = 4,
};
/*
* Reason codes
*
* Unlisted codes are reserved
*/
enum {
IEEE80211_REASON_UNSPECIFIED = 1,
IEEE80211_REASON_AUTH_EXPIRE = 2,
IEEE80211_REASON_AUTH_LEAVE = 3,
IEEE80211_REASON_ASSOC_EXPIRE = 4,
IEEE80211_REASON_ASSOC_TOOMANY = 5,
IEEE80211_REASON_NOT_AUTHED = 6,
IEEE80211_REASON_NOT_ASSOCED = 7,
IEEE80211_REASON_ASSOC_LEAVE = 8,
IEEE80211_REASON_ASSOC_NOT_AUTHED = 9,
IEEE80211_REASON_PWRCAP_UNACCEPTABLE = 10,
IEEE80211_REASON_SUPPCHAN_UNACCEPTABLE = 11,
IEEE80211_REASON_RSN_REQUIRED = 11,
IEEE80211_REASON_RSN_INCONSISTENT = 12,
IEEE80211_REASON_IE_INVALID = 13,
IEEE80211_REASON_MIC_FAILURE = 14,
IEEE80211_STATUS_SUCCESS = 0,
IEEE80211_STATUS_UNSPECIFIED = 1,
IEEE80211_STATUS_CAPINFO = 10,
IEEE80211_STATUS_NOT_ASSOCED = 11,
IEEE80211_STATUS_OTHER = 12,
IEEE80211_STATUS_ALG = 13,
IEEE80211_STATUS_SEQUENCE = 14,
IEEE80211_STATUS_CHALLENGE = 15,
IEEE80211_STATUS_TIMEOUT = 16,
IEEE80211_STATUS_TOOMANY = 17,
IEEE80211_STATUS_BASIC_RATE = 18,
IEEE80211_STATUS_SP_REQUIRED = 19,
IEEE80211_STATUS_PBCC_REQUIRED = 20,
IEEE80211_STATUS_CA_REQUIRED = 21,
IEEE80211_STATUS_SM_REQUIRED = 22,
IEEE80211_STATUS_PWRCAP_UNACCEPTABLE = 23,
IEEE80211_STATUS_SUPPCHAN_UNACCEPTABLE = 24,
IEEE80211_STATUS_TOO_MANY_STATIONS = 22,
IEEE80211_STATUS_RATES = 23,
IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25,
IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26,
};
#define IEEE80211_WEP_KEYLEN 5 /* 40bit */
#define IEEE80211_WEP_IVLEN 3 /* 24bit */
#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
#define IEEE80211_WEP_NKID 4 /* number of key ids */
/*
* 802.11i defines an extended IV for use with non-WEP ciphers.
* When the EXTIV bit is set in the key id byte an additional
* 4 bytes immediately follow the IV for TKIP. For CCMP the
* EXTIV bit is likewise set but the 8 bytes represent the
* CCMP header rather than IV+extended-IV.
*/
#define IEEE80211_WEP_EXTIV 0x20
#define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
#define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
#define IEEE80211_CRC_LEN 4
/*
* Maximum acceptable MTU is:
* IEEE80211_MAX_LEN - WEP overhead - CRC -
* QoS overhead - RSN/WPA overhead
* Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default
* mtu is Ethernet-compatible; it's set by ether_ifattach.
*/
#define IEEE80211_MTU_MAX 2290
#define IEEE80211_MTU_MIN 32
#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \
(IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
#define IEEE80211_ACK_LEN \
(sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN)
#define IEEE80211_MIN_LEN \
(sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN)
/*
* The 802.11 spec says at most 2007 stations may be
* associated at once. For most APs this is way more
* than is feasible so we use a default of 128. This
* number may be overridden by the driver and/or by
* user configuration.
*/
#define IEEE80211_AID_MAX 2007
#define IEEE80211_AID_DEF 128
#define IEEE80211_AID(b) ((b) &~ 0xc000)
/*
* RTS frame length parameters. The default is specified in
* the 802.11 spec. The max may be wrong for jumbo frames.
*/
#define IEEE80211_RTS_DEFAULT 512
#define IEEE80211_RTS_MIN 1
#define IEEE80211_RTS_MAX 2346
/*
* Regulatory extension identifier for country IE.
*/
#define IEEE80211_REG_EXT_ID 201
/*
* IEEE 802.11 timer synchronization function (TSF) timestamp length
*/
#define IEEE80211_TSF_LEN 8
#endif /* _NET80211_IEEE80211_H_ */
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