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Commit a9de8ce0 authored by Jiri Benc's avatar Jiri Benc Committed by David S. Miller
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[MAC80211]: Add generic include/linux/ieee80211.h 



Add generic IEEE 802.11 definitions.

Signed-off-by: default avatarJiri Benc <jbenc@suse.cz>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent cf130cb1

include/linux/ieee80211.h

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/*

 * IEEE 802.11 defines

 *

 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen

 * <jkmaline@cc.hut.fi>

 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>

 * Copyright (c) 2005, Devicescape Software, Inc.

 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */



#ifndef IEEE80211_H

#define IEEE80211_H



#include <linux/types.h>



#define FCS_LEN 4



#define IEEE80211_FCTL_VERS		0x0003

#define IEEE80211_FCTL_FTYPE		0x000c

#define IEEE80211_FCTL_STYPE		0x00f0

#define IEEE80211_FCTL_TODS		0x0100

#define IEEE80211_FCTL_FROMDS		0x0200

#define IEEE80211_FCTL_MOREFRAGS	0x0400

#define IEEE80211_FCTL_RETRY		0x0800

#define IEEE80211_FCTL_PM		0x1000

#define IEEE80211_FCTL_MOREDATA		0x2000

#define IEEE80211_FCTL_PROTECTED	0x4000

#define IEEE80211_FCTL_ORDER		0x8000



#define IEEE80211_SCTL_FRAG		0x000F

#define IEEE80211_SCTL_SEQ		0xFFF0



#define IEEE80211_FTYPE_MGMT		0x0000

#define IEEE80211_FTYPE_CTL		0x0004

#define IEEE80211_FTYPE_DATA		0x0008



/* management */

#define IEEE80211_STYPE_ASSOC_REQ	0x0000

#define IEEE80211_STYPE_ASSOC_RESP	0x0010

#define IEEE80211_STYPE_REASSOC_REQ	0x0020

#define IEEE80211_STYPE_REASSOC_RESP	0x0030

#define IEEE80211_STYPE_PROBE_REQ	0x0040

#define IEEE80211_STYPE_PROBE_RESP	0x0050

#define IEEE80211_STYPE_BEACON		0x0080

#define IEEE80211_STYPE_ATIM		0x0090

#define IEEE80211_STYPE_DISASSOC	0x00A0

#define IEEE80211_STYPE_AUTH		0x00B0

#define IEEE80211_STYPE_DEAUTH		0x00C0

#define IEEE80211_STYPE_ACTION		0x00D0



/* control */

#define IEEE80211_STYPE_PSPOLL		0x00A0

#define IEEE80211_STYPE_RTS		0x00B0

#define IEEE80211_STYPE_CTS		0x00C0

#define IEEE80211_STYPE_ACK		0x00D0

#define IEEE80211_STYPE_CFEND		0x00E0

#define IEEE80211_STYPE_CFENDACK	0x00F0



/* data */

#define IEEE80211_STYPE_DATA			0x0000

#define IEEE80211_STYPE_DATA_CFACK		0x0010

#define IEEE80211_STYPE_DATA_CFPOLL		0x0020

#define IEEE80211_STYPE_DATA_CFACKPOLL		0x0030

#define IEEE80211_STYPE_NULLFUNC		0x0040

#define IEEE80211_STYPE_CFACK			0x0050

#define IEEE80211_STYPE_CFPOLL			0x0060

#define IEEE80211_STYPE_CFACKPOLL		0x0070

#define IEEE80211_STYPE_QOS_DATA		0x0080

#define IEEE80211_STYPE_QOS_DATA_CFACK		0x0090

#define IEEE80211_STYPE_QOS_DATA_CFPOLL		0x00A0

#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL	0x00B0

#define IEEE80211_STYPE_QOS_NULLFUNC		0x00C0

#define IEEE80211_STYPE_QOS_CFACK		0x00D0

#define IEEE80211_STYPE_QOS_CFPOLL		0x00E0

#define IEEE80211_STYPE_QOS_CFACKPOLL		0x00F0





/* miscellaneous IEEE 802.11 constants */

#define IEEE80211_MAX_FRAG_THRESHOLD	2346

#define IEEE80211_MAX_RTS_THRESHOLD	2347

#define IEEE80211_MAX_AID		2007

#define IEEE80211_MAX_TIM_LEN		251

#define IEEE80211_MAX_DATA_LEN		2304

/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section

   6.2.1.1.2.



   The figure in section 7.1.2 suggests a body size of up to 2312

   bytes is allowed, which is a bit confusing, I suspect this

   represents the 2304 bytes of real data, plus a possible 8 bytes of

   WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */



#define IEEE80211_MAX_SSID_LEN		32



struct ieee80211_hdr {

	__le16 frame_control;

	__le16 duration_id;

	u8 addr1[6];

	u8 addr2[6];

	u8 addr3[6];

	__le16 seq_ctrl;

	u8 addr4[6];

} __attribute__ ((packed));





struct ieee80211_mgmt {

	__le16 frame_control;

	__le16 duration;

	u8 da[6];

	u8 sa[6];

	u8 bssid[6];

	__le16 seq_ctrl;

	union {

		struct {

			__le16 auth_alg;

			__le16 auth_transaction;

			__le16 status_code;

			/* possibly followed by Challenge text */

			u8 variable[0];

		} __attribute__ ((packed)) auth;

		struct {

			__le16 reason_code;

		} __attribute__ ((packed)) deauth;

		struct {

			__le16 capab_info;

			__le16 listen_interval;

			/* followed by SSID and Supported rates */

			u8 variable[0];

		} __attribute__ ((packed)) assoc_req;

		struct {

			__le16 capab_info;

			__le16 status_code;

			__le16 aid;

			/* followed by Supported rates */

			u8 variable[0];

		} __attribute__ ((packed)) assoc_resp, reassoc_resp;

		struct {

			__le16 capab_info;

			__le16 listen_interval;

			u8 current_ap[6];

			/* followed by SSID and Supported rates */

			u8 variable[0];

		} __attribute__ ((packed)) reassoc_req;

		struct {

			__le16 reason_code;

		} __attribute__ ((packed)) disassoc;

		struct {

			__le64 timestamp;

			__le16 beacon_int;

			__le16 capab_info;

			/* followed by some of SSID, Supported rates,

			 * FH Params, DS Params, CF Params, IBSS Params, TIM */

			u8 variable[0];

		} __attribute__ ((packed)) beacon;

		struct {

			/* only variable items: SSID, Supported rates */

			u8 variable[0];

		} __attribute__ ((packed)) probe_req;

		struct {

			__le64 timestamp;

			__le16 beacon_int;

			__le16 capab_info;

			/* followed by some of SSID, Supported rates,

			 * FH Params, DS Params, CF Params, IBSS Params */

			u8 variable[0];

		} __attribute__ ((packed)) probe_resp;

		struct {

			u8 category;

			union {

				struct {

					u8 action_code;

					u8 dialog_token;

					u8 status_code;

					u8 variable[0];

				} __attribute__ ((packed)) wme_action;

				struct{

					u8 action_code;

					u8 element_id;

					u8 length;

					u8 switch_mode;

					u8 new_chan;

					u8 switch_count;

				} __attribute__((packed)) chan_switch;

			} u;

		} __attribute__ ((packed)) action;

	} u;

} __attribute__ ((packed));





/* Control frames */

struct ieee80211_rts {

	__le16 frame_control;

	__le16 duration;

	u8 ra[6];

	u8 ta[6];

} __attribute__ ((packed));



struct ieee80211_cts {

	__le16 frame_control;

	__le16 duration;

	u8 ra[6];

} __attribute__ ((packed));





/* Authentication algorithms */

#define WLAN_AUTH_OPEN 0

#define WLAN_AUTH_SHARED_KEY 1

#define WLAN_AUTH_FAST_BSS_TRANSITION 2

#define WLAN_AUTH_LEAP 128



#define WLAN_AUTH_CHALLENGE_LEN 128



#define WLAN_CAPABILITY_ESS		(1<<0)

#define WLAN_CAPABILITY_IBSS		(1<<1)

#define WLAN_CAPABILITY_CF_POLLABLE	(1<<2)

#define WLAN_CAPABILITY_CF_POLL_REQUEST	(1<<3)

#define WLAN_CAPABILITY_PRIVACY		(1<<4)

#define WLAN_CAPABILITY_SHORT_PREAMBLE	(1<<5)

#define WLAN_CAPABILITY_PBCC		(1<<6)

#define WLAN_CAPABILITY_CHANNEL_AGILITY	(1<<7)

/* 802.11h */

#define WLAN_CAPABILITY_SPECTRUM_MGMT	(1<<8)

#define WLAN_CAPABILITY_QOS		(1<<9)

#define WLAN_CAPABILITY_SHORT_SLOT_TIME	(1<<10)

#define WLAN_CAPABILITY_DSSS_OFDM	(1<<13)



/* Status codes */

enum ieee80211_statuscode {

	WLAN_STATUS_SUCCESS = 0,

	WLAN_STATUS_UNSPECIFIED_FAILURE = 1,

	WLAN_STATUS_CAPS_UNSUPPORTED = 10,

	WLAN_STATUS_REASSOC_NO_ASSOC = 11,

	WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,

	WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,

	WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,

	WLAN_STATUS_CHALLENGE_FAIL = 15,

	WLAN_STATUS_AUTH_TIMEOUT = 16,

	WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,

	WLAN_STATUS_ASSOC_DENIED_RATES = 18,

	/* 802.11b */

	WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,

	WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,

	WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,

	/* 802.11h */

	WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,

	WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,

	WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,

	/* 802.11g */

	WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,

	WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,

	/* 802.11i */

	WLAN_STATUS_INVALID_IE = 40,

	WLAN_STATUS_INVALID_GROUP_CIPHER = 41,

	WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,

	WLAN_STATUS_INVALID_AKMP = 43,

	WLAN_STATUS_UNSUPP_RSN_VERSION = 44,

	WLAN_STATUS_INVALID_RSN_IE_CAP = 45,

	WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,

};





/* Reason codes */

enum ieee80211_reasoncode {

	WLAN_REASON_UNSPECIFIED = 1,

	WLAN_REASON_PREV_AUTH_NOT_VALID = 2,

	WLAN_REASON_DEAUTH_LEAVING = 3,

	WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,

	WLAN_REASON_DISASSOC_AP_BUSY = 5,

	WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,

	WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,

	WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,

	WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,

	/* 802.11h */

	WLAN_REASON_DISASSOC_BAD_POWER = 10,

	WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,

	/* 802.11i */

	WLAN_REASON_INVALID_IE = 13,

	WLAN_REASON_MIC_FAILURE = 14,

	WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,

	WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,

	WLAN_REASON_IE_DIFFERENT = 17,

	WLAN_REASON_INVALID_GROUP_CIPHER = 18,

	WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,

	WLAN_REASON_INVALID_AKMP = 20,

	WLAN_REASON_UNSUPP_RSN_VERSION = 21,

	WLAN_REASON_INVALID_RSN_IE_CAP = 22,

	WLAN_REASON_IEEE8021X_FAILED = 23,

	WLAN_REASON_CIPHER_SUITE_REJECTED = 24,

};





/* Information Element IDs */

enum ieee80211_eid {

	WLAN_EID_SSID = 0,

	WLAN_EID_SUPP_RATES = 1,

	WLAN_EID_FH_PARAMS = 2,

	WLAN_EID_DS_PARAMS = 3,

	WLAN_EID_CF_PARAMS = 4,

	WLAN_EID_TIM = 5,

	WLAN_EID_IBSS_PARAMS = 6,

	WLAN_EID_CHALLENGE = 16,

	/* 802.11d */

	WLAN_EID_COUNTRY = 7,

	WLAN_EID_HP_PARAMS = 8,

	WLAN_EID_HP_TABLE = 9,

	WLAN_EID_REQUEST = 10,

	/* 802.11h */

	WLAN_EID_PWR_CONSTRAINT = 32,

	WLAN_EID_PWR_CAPABILITY = 33,

	WLAN_EID_TPC_REQUEST = 34,

	WLAN_EID_TPC_REPORT = 35,

	WLAN_EID_SUPPORTED_CHANNELS = 36,

	WLAN_EID_CHANNEL_SWITCH = 37,

	WLAN_EID_MEASURE_REQUEST = 38,

	WLAN_EID_MEASURE_REPORT = 39,

	WLAN_EID_QUIET = 40,

	WLAN_EID_IBSS_DFS = 41,

	/* 802.11g */

	WLAN_EID_ERP_INFO = 42,

	WLAN_EID_EXT_SUPP_RATES = 50,

	/* 802.11i */

	WLAN_EID_RSN = 48,

	WLAN_EID_WPA = 221,

	WLAN_EID_GENERIC = 221,

	WLAN_EID_VENDOR_SPECIFIC = 221,

	WLAN_EID_QOS_PARAMETER = 222

};



/* cipher suite selectors */

#define WLAN_CIPHER_SUITE_USE_GROUP	0x000FAC00

#define WLAN_CIPHER_SUITE_WEP40		0x000FAC01

#define WLAN_CIPHER_SUITE_TKIP		0x000FAC02

/* reserved: 				0x000FAC03 */

#define WLAN_CIPHER_SUITE_CCMP		0x000FAC04

#define WLAN_CIPHER_SUITE_WEP104	0x000FAC05



#define WLAN_MAX_KEY_LEN		32



#endif /* IEEE80211_H */