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/*
 * IEEE 802.11 -- shared defines for 80211.o and hostapd
 * Copyright 2002, Jouni Malinen <jkmaline@cc.hut.fi>
 * Copyright 2002-2004, Instant802 Networks, Inc.
 * Copyright 2005, Devicescape Software, Inc.
 *
 * 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 D802_11_MGMT_H
#define D802_11_MGMT_H

#include <linux/types.h>

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));


/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
#define WLAN_AUTH_LEAP 128

#define WLAN_AUTH_CHALLENGE_LEN 128

#define WLAN_CAPABILITY_ESS BIT(0)
#define WLAN_CAPABILITY_IBSS BIT(1)
#define WLAN_CAPABILITY_CF_POLLABLE BIT(2)
#define WLAN_CAPABILITY_CF_POLL_REQUEST BIT(3)
#define WLAN_CAPABILITY_PRIVACY BIT(4)
#define WLAN_CAPABILITY_SHORT_PREAMBLE BIT(5)
#define WLAN_CAPABILITY_PBCC BIT(6)
#define WLAN_CAPABILITY_CHANNEL_AGILITY BIT(7)
/* 802.11h */
#define WLAN_CAPABILITY_SPECTRUM_MGMT BIT(8)
#define WLAN_CAPABILITY_SHORT_SLOT_TIME BIT(10)
#define WLAN_CAPABILITY_DSSS_OFDM BIT(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
};

#endif /* D802_11_MGMT_H */