[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / ieee80211.h

/*
 * 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>
#include <asm/byteorder.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	2352
#define IEEE80211_MAX_RTS_THRESHOLD	2353
#define IEEE80211_MAX_AID		2007
#define IEEE80211_MAX_TIM_LEN		251
/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
   6.2.1.1.2.

   802.11e clarifies the figure in section 7.1.2. The frame body is
   up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
#define IEEE80211_MAX_DATA_LEN		2304
/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
#define IEEE80211_MAX_FRAME_LEN		2352

#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)

/* 802.11g ERP information element */
#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
#define WLAN_ERP_USE_PROTECTION (1<<1)
#define WLAN_ERP_BARKER_PREAMBLE (1<<2)

/* WLAN_ERP_BARKER_PREAMBLE values */
enum {
	WLAN_ERP_PREAMBLE_SHORT = 0,
	WLAN_ERP_PREAMBLE_LONG = 1,
};

/* 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

/**
 * ieee80211_get_SA - get pointer to SA
 *
 * Given an 802.11 frame, this function returns the offset
 * to the source address (SA). It does not verify that the
 * header is long enough to contain the address, and the
 * header must be long enough to contain the frame control
 * field.
 *
 * @hdr: the frame
 */
static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
{
	u8 *raw = (u8 *) hdr;
	u8 tofrom = (*(raw+1)) & 3; /* get the TODS and FROMDS bits */

	switch (tofrom) {
		case 2:
			return hdr->addr3;
		case 3:
			return hdr->addr4;
	}
	return hdr->addr2;
}

/**
 * ieee80211_get_DA - get pointer to DA
 *
 * Given an 802.11 frame, this function returns the offset
 * to the destination address (DA). It does not verify that
 * the header is long enough to contain the address, and the
 * header must be long enough to contain the frame control
 * field.
 *
 * @hdr: the frame
 */
static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
{
	u8 *raw = (u8 *) hdr;
	u8 to_ds = (*(raw+1)) & 1; /* get the TODS bit */

	if (to_ds)
		return hdr->addr3;
	return hdr->addr1;
}

/**
 * ieee80211_get_morefrag - determine whether the MOREFRAGS bit is set
 *
 * This function determines whether the "more fragments" bit is set
 * in the frame.
 *
 * @hdr: the frame
 */
static inline int ieee80211_get_morefrag(struct ieee80211_hdr *hdr)
{
	return (le16_to_cpu(hdr->frame_control) &
		IEEE80211_FCTL_MOREFRAGS) != 0;
}

#endif /* IEEE80211_H */
Commit	Line	Data
a9de8ce0 JB	1	/*
	2	* IEEE 802.11 defines
	3	*
	4	* Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
	5	* <jkmaline@cc.hut.fi>
	6	* Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
	7	* Copyright (c) 2005, Devicescape Software, Inc.
	8	* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License version 2 as
	12	* published by the Free Software Foundation.
	13	*/
	14
	15	#ifndef IEEE80211_H
	16	#define IEEE80211_H
	17
	18	#include <linux/types.h>
f97df02e	19	#include <asm/byteorder.h>
a9de8ce0 JB	20
	21	#define FCS_LEN 4
	22
	23	#define IEEE80211_FCTL_VERS 0x0003
	24	#define IEEE80211_FCTL_FTYPE 0x000c
	25	#define IEEE80211_FCTL_STYPE 0x00f0
	26	#define IEEE80211_FCTL_TODS 0x0100
	27	#define IEEE80211_FCTL_FROMDS 0x0200
	28	#define IEEE80211_FCTL_MOREFRAGS 0x0400
	29	#define IEEE80211_FCTL_RETRY 0x0800
	30	#define IEEE80211_FCTL_PM 0x1000
	31	#define IEEE80211_FCTL_MOREDATA 0x2000
	32	#define IEEE80211_FCTL_PROTECTED 0x4000
	33	#define IEEE80211_FCTL_ORDER 0x8000
	34
	35	#define IEEE80211_SCTL_FRAG 0x000F
	36	#define IEEE80211_SCTL_SEQ 0xFFF0
	37
	38	#define IEEE80211_FTYPE_MGMT 0x0000
	39	#define IEEE80211_FTYPE_CTL 0x0004
	40	#define IEEE80211_FTYPE_DATA 0x0008
	41
	42	/* management */
	43	#define IEEE80211_STYPE_ASSOC_REQ 0x0000
	44	#define IEEE80211_STYPE_ASSOC_RESP 0x0010
	45	#define IEEE80211_STYPE_REASSOC_REQ 0x0020
	46	#define IEEE80211_STYPE_REASSOC_RESP 0x0030
	47	#define IEEE80211_STYPE_PROBE_REQ 0x0040
	48	#define IEEE80211_STYPE_PROBE_RESP 0x0050
	49	#define IEEE80211_STYPE_BEACON 0x0080
	50	#define IEEE80211_STYPE_ATIM 0x0090
	51	#define IEEE80211_STYPE_DISASSOC 0x00A0
	52	#define IEEE80211_STYPE_AUTH 0x00B0
	53	#define IEEE80211_STYPE_DEAUTH 0x00C0
	54	#define IEEE80211_STYPE_ACTION 0x00D0
	55
	56	/* control */
	57	#define IEEE80211_STYPE_PSPOLL 0x00A0
	58	#define IEEE80211_STYPE_RTS 0x00B0
	59	#define IEEE80211_STYPE_CTS 0x00C0
	60	#define IEEE80211_STYPE_ACK 0x00D0
	61	#define IEEE80211_STYPE_CFEND 0x00E0
	62	#define IEEE80211_STYPE_CFENDACK 0x00F0
	63
	64	/* data */
	65	#define IEEE80211_STYPE_DATA 0x0000
	66	#define IEEE80211_STYPE_DATA_CFACK 0x0010
	67	#define IEEE80211_STYPE_DATA_CFPOLL 0x0020
	68	#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
	69	#define IEEE80211_STYPE_NULLFUNC 0x0040
	70	#define IEEE80211_STYPE_CFACK 0x0050
	71	#define IEEE80211_STYPE_CFPOLL 0x0060
	72	#define IEEE80211_STYPE_CFACKPOLL 0x0070
	73	#define IEEE80211_STYPE_QOS_DATA 0x0080
	74	#define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
	75	#define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
	76	#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
	77	#define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
	78	#define IEEE80211_STYPE_QOS_CFACK 0x00D0
	79	#define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
	80	#define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
	81
	82
	83	/* miscellaneous IEEE 802.11 constants */
c237899d MW	84	#define IEEE80211_MAX_FRAG_THRESHOLD 2352
c237899d MW	85	#define IEEE80211_MAX_RTS_THRESHOLD 2353
a9de8ce0 JB	86	#define IEEE80211_MAX_AID 2007
a9de8ce0 JB	87	#define IEEE80211_MAX_TIM_LEN 251
a9de8ce0 JB	88	/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
	89	6.2.1.1.2.
	90
c237899d MW	91	802.11e clarifies the figure in section 7.1.2. The frame body is
	92	up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
	93	#define IEEE80211_MAX_DATA_LEN 2304
	94	/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
	95	#define IEEE80211_MAX_FRAME_LEN 2352
a9de8ce0 JB	96
	97	#define IEEE80211_MAX_SSID_LEN 32
	98
	99	struct ieee80211_hdr {
	100	__le16 frame_control;
	101	__le16 duration_id;
	102	u8 addr1[6];
	103	u8 addr2[6];
	104	u8 addr3[6];
	105	__le16 seq_ctrl;
	106	u8 addr4[6];
	107	} __attribute__ ((packed));
	108
	109
	110	struct ieee80211_mgmt {
	111	__le16 frame_control;
	112	__le16 duration;
	113	u8 da[6];
	114	u8 sa[6];
	115	u8 bssid[6];
	116	__le16 seq_ctrl;
	117	union {
	118	struct {
	119	__le16 auth_alg;
	120	__le16 auth_transaction;
	121	__le16 status_code;
	122	/* possibly followed by Challenge text */
	123	u8 variable[0];
	124	} __attribute__ ((packed)) auth;
	125	struct {
	126	__le16 reason_code;
	127	} __attribute__ ((packed)) deauth;
	128	struct {
	129	__le16 capab_info;
	130	__le16 listen_interval;
	131	/* followed by SSID and Supported rates */
	132	u8 variable[0];
	133	} __attribute__ ((packed)) assoc_req;
	134	struct {
	135	__le16 capab_info;
	136	__le16 status_code;
	137	__le16 aid;
	138	/* followed by Supported rates */
	139	u8 variable[0];
	140	} __attribute__ ((packed)) assoc_resp, reassoc_resp;
	141	struct {
	142	__le16 capab_info;
	143	__le16 listen_interval;
	144	u8 current_ap[6];
	145	/* followed by SSID and Supported rates */
	146	u8 variable[0];
	147	} __attribute__ ((packed)) reassoc_req;
	148	struct {
	149	__le16 reason_code;
	150	} __attribute__ ((packed)) disassoc;
	151	struct {
	152	__le64 timestamp;
	153	__le16 beacon_int;
	154	__le16 capab_info;
	155	/* followed by some of SSID, Supported rates,
	156	* FH Params, DS Params, CF Params, IBSS Params, TIM */
	157	u8 variable[0];
	158	} __attribute__ ((packed)) beacon;
	159	struct {
160	/* only variable items: SSID, Supported rates */
161	u8 variable[0];
162	} __attribute__ ((packed)) probe_req;
163	struct {
164	__le64 timestamp;
165	__le16 beacon_int;
166	__le16 capab_info;
167	/* followed by some of SSID, Supported rates,
168	* FH Params, DS Params, CF Params, IBSS Params */
169	u8 variable[0];
170	} __attribute__ ((packed)) probe_resp;
171	struct {
172	u8 category;
173	union {
174	struct {
175	u8 action_code;
176	u8 dialog_token;
177	u8 status_code;
178	u8 variable[0];
179	} __attribute__ ((packed)) wme_action;
180	struct{
181	u8 action_code;
182	u8 element_id;
183	u8 length;
184	u8 switch_mode;
185	u8 new_chan;
186	u8 switch_count;
187	} __attribute__((packed)) chan_switch;
188	} u;
189	} __attribute__ ((packed)) action;
190	} u;
191	} __attribute__ ((packed));
192
193
194	/* Control frames */
195	struct ieee80211_rts {
196	__le16 frame_control;
197	__le16 duration;
198	u8 ra[6];
199	u8 ta[6];
200	} __attribute__ ((packed));
201
202	struct ieee80211_cts {
203	__le16 frame_control;
204	__le16 duration;
205	u8 ra[6];
206	} __attribute__ ((packed));
207
208
209	/* Authentication algorithms */
210	#define WLAN_AUTH_OPEN 0
211	#define WLAN_AUTH_SHARED_KEY 1
212	#define WLAN_AUTH_FAST_BSS_TRANSITION 2
213	#define WLAN_AUTH_LEAP 128
214
215	#define WLAN_AUTH_CHALLENGE_LEN 128
216
217	#define WLAN_CAPABILITY_ESS (1<<0)
218	#define WLAN_CAPABILITY_IBSS (1<<1)
219	#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
220	#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
221	#define WLAN_CAPABILITY_PRIVACY (1<<4)
222	#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
223	#define WLAN_CAPABILITY_PBCC (1<<6)
224	#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
225	/* 802.11h */
226	#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
227	#define WLAN_CAPABILITY_QOS (1<<9)
228	#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
229	#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
230
5628221c DD	231	/* 802.11g ERP information element */
	232	#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
	233	#define WLAN_ERP_USE_PROTECTION (1<<1)
	234	#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
	235
	236	/* WLAN_ERP_BARKER_PREAMBLE values */
	237	enum {
	238	WLAN_ERP_PREAMBLE_SHORT = 0,
	239	WLAN_ERP_PREAMBLE_LONG = 1,
	240	};
	241
a9de8ce0 JB	242	/* Status codes */
	243	enum ieee80211_statuscode {
	244	WLAN_STATUS_SUCCESS = 0,
	245	WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
	246	WLAN_STATUS_CAPS_UNSUPPORTED = 10,
	247	WLAN_STATUS_REASSOC_NO_ASSOC = 11,
	248	WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
	249	WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
	250	WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
	251	WLAN_STATUS_CHALLENGE_FAIL = 15,
	252	WLAN_STATUS_AUTH_TIMEOUT = 16,
	253	WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
	254	WLAN_STATUS_ASSOC_DENIED_RATES = 18,
	255	/* 802.11b */
	256	WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
	257	WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
	258	WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
	259	/* 802.11h */
	260	WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
	261	WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
	262	WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
	263	/* 802.11g */
	264	WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
	265	WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
	266	/* 802.11i */
	267	WLAN_STATUS_INVALID_IE = 40,
	268	WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
	269	WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
	270	WLAN_STATUS_INVALID_AKMP = 43,
	271	WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
	272	WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
	273	WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
	274	};
	275
	276
	277	/* Reason codes */
	278	enum ieee80211_reasoncode {
	279	WLAN_REASON_UNSPECIFIED = 1,
	280	WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
	281	WLAN_REASON_DEAUTH_LEAVING = 3,
	282	WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
	283	WLAN_REASON_DISASSOC_AP_BUSY = 5,
	284	WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
	285	WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
	286	WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
	287	WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
	288	/* 802.11h */
	289	WLAN_REASON_DISASSOC_BAD_POWER = 10,
	290	WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
	291	/* 802.11i */
	292	WLAN_REASON_INVALID_IE = 13,
	293	WLAN_REASON_MIC_FAILURE = 14,
	294	WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
	295	WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
	296	WLAN_REASON_IE_DIFFERENT = 17,
	297	WLAN_REASON_INVALID_GROUP_CIPHER = 18,
	298	WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
	299	WLAN_REASON_INVALID_AKMP = 20,
	300	WLAN_REASON_UNSUPP_RSN_VERSION = 21,
	301	WLAN_REASON_INVALID_RSN_IE_CAP = 22,
	302	WLAN_REASON_IEEE8021X_FAILED = 23,
	303	WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
	304	};
	305
306
307	/* Information Element IDs */
308	enum ieee80211_eid {
309	WLAN_EID_SSID = 0,
310	WLAN_EID_SUPP_RATES = 1,
311	WLAN_EID_FH_PARAMS = 2,
312	WLAN_EID_DS_PARAMS = 3,
313	WLAN_EID_CF_PARAMS = 4,
314	WLAN_EID_TIM = 5,
315	WLAN_EID_IBSS_PARAMS = 6,
316	WLAN_EID_CHALLENGE = 16,
317	/* 802.11d */
318	WLAN_EID_COUNTRY = 7,
319	WLAN_EID_HP_PARAMS = 8,
320	WLAN_EID_HP_TABLE = 9,
321	WLAN_EID_REQUEST = 10,
322	/* 802.11h */
323	WLAN_EID_PWR_CONSTRAINT = 32,
324	WLAN_EID_PWR_CAPABILITY = 33,
325	WLAN_EID_TPC_REQUEST = 34,
326	WLAN_EID_TPC_REPORT = 35,
327	WLAN_EID_SUPPORTED_CHANNELS = 36,
328	WLAN_EID_CHANNEL_SWITCH = 37,
329	WLAN_EID_MEASURE_REQUEST = 38,
330	WLAN_EID_MEASURE_REPORT = 39,
331	WLAN_EID_QUIET = 40,
332	WLAN_EID_IBSS_DFS = 41,
333	/* 802.11g */
334	WLAN_EID_ERP_INFO = 42,
335	WLAN_EID_EXT_SUPP_RATES = 50,
336	/* 802.11i */
337	WLAN_EID_RSN = 48,
338	WLAN_EID_WPA = 221,
339	WLAN_EID_GENERIC = 221,
340	WLAN_EID_VENDOR_SPECIFIC = 221,
341	WLAN_EID_QOS_PARAMETER = 222
342	};
343
344	/* cipher suite selectors */
345	#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
346	#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
347	#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
348	/* reserved: 0x000FAC03 */
349	#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
350	#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
351
352	#define WLAN_MAX_KEY_LEN 32
353
f97df02e JB	354	/**
	355	* ieee80211_get_SA - get pointer to SA
	356	*
	357	* Given an 802.11 frame, this function returns the offset
	358	* to the source address (SA). It does not verify that the
	359	* header is long enough to contain the address, and the
	360	* header must be long enough to contain the frame control
	361	* field.
	362	*
	363	* @hdr: the frame
	364	*/
	365	static inline u8 ieee80211_get_SA(struct ieee80211_hdr hdr)
	366	{
	367	u8 raw = (u8 ) hdr;
	368	u8 tofrom = ((raw+1)) & 3; / get the TODS and FROMDS bits */
	369
	370	switch (tofrom) {
	371	case 2:
	372	return hdr->addr3;
	373	case 3:
	374	return hdr->addr4;
	375	}
	376	return hdr->addr2;
	377	}
	378
	379	/**
	380	* ieee80211_get_DA - get pointer to DA
	381	*
	382	* Given an 802.11 frame, this function returns the offset
	383	* to the destination address (DA). It does not verify that
	384	* the header is long enough to contain the address, and the
	385	* header must be long enough to contain the frame control
	386	* field.
	387	*
	388	* @hdr: the frame
	389	*/
	390	static inline u8 ieee80211_get_DA(struct ieee80211_hdr hdr)
	391	{
	392	u8 raw = (u8 ) hdr;
	393	u8 to_ds = ((raw+1)) & 1; / get the TODS bit */
	394
	395	if (to_ds)
	396	return hdr->addr3;
	397	return hdr->addr1;
	398	}
	399
	400	/**
	401	* ieee80211_get_morefrag - determine whether the MOREFRAGS bit is set
	402	*
	403	* This function determines whether the "more fragments" bit is set
	404	* in the frame.
	405	*
	406	* @hdr: the frame
	407	*/
	408	static inline int ieee80211_get_morefrag(struct ieee80211_hdr *hdr)
	409	{
	410	return (le16_to_cpu(hdr->frame_control) &
	411	IEEE80211_FCTL_MOREFRAGS) != 0;
	412	}
	413
a9de8ce0	414	#endif /* IEEE80211_H */