/*
 * IEEE 802.11 Frame type definitions
 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
 * Copyright (c) 2007-2008 Intel Corporation
 *
 * 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.
 *
 * Alternatively, this software may be distributed under the terms of BSD
 * license.
 *
 * See README and COPYING for more details.
 */

#ifndef IEEE802_11_DEFS_H
#define IEEE802_11_DEFS_H

/* IEEE 802.11 defines */

#define WLAN_FC_PVER		0x0003
#define WLAN_FC_TODS		0x0100
#define WLAN_FC_FROMDS		0x0200
#define WLAN_FC_MOREFRAG	0x0400
#define WLAN_FC_RETRY		0x0800
#define WLAN_FC_PWRMGT		0x1000
#define WLAN_FC_MOREDATA	0x2000
#define WLAN_FC_ISWEP		0x4000
#define WLAN_FC_ORDER		0x8000

#define WLAN_FC_GET_TYPE(fc)	(((fc) & 0x000c) >> 2)
#define WLAN_FC_GET_STYPE(fc)	(((fc) & 0x00f0) >> 4)

#define WLAN_GET_SEQ_FRAG(seq) ((seq) & (BIT(3) | BIT(2) | BIT(1) | BIT(0)))
#define WLAN_GET_SEQ_SEQ(seq) \
	(((seq) & (~(BIT(3) | BIT(2) | BIT(1) | BIT(0)))) >> 4)

#define WLAN_FC_TYPE_MGMT		0
#define WLAN_FC_TYPE_CTRL		1
#define WLAN_FC_TYPE_DATA		2

/* management */
#define WLAN_FC_STYPE_ASSOC_REQ		0
#define WLAN_FC_STYPE_ASSOC_RESP	1
#define WLAN_FC_STYPE_REASSOC_REQ	2
#define WLAN_FC_STYPE_REASSOC_RESP	3
#define WLAN_FC_STYPE_PROBE_REQ		4
#define WLAN_FC_STYPE_PROBE_RESP	5
#define WLAN_FC_STYPE_BEACON		8
#define WLAN_FC_STYPE_ATIM		9
#define WLAN_FC_STYPE_DISASSOC		10
#define WLAN_FC_STYPE_AUTH		11
#define WLAN_FC_STYPE_DEAUTH		12
#define WLAN_FC_STYPE_ACTION		13

/* control */
#define WLAN_FC_STYPE_PSPOLL		10
#define WLAN_FC_STYPE_RTS		11
#define WLAN_FC_STYPE_CTS		12
#define WLAN_FC_STYPE_ACK		13
#define WLAN_FC_STYPE_CFEND		14
#define WLAN_FC_STYPE_CFENDACK		15

/* data */
#define WLAN_FC_STYPE_DATA		0
#define WLAN_FC_STYPE_DATA_CFACK	1
#define WLAN_FC_STYPE_DATA_CFPOLL	2
#define WLAN_FC_STYPE_DATA_CFACKPOLL	3
#define WLAN_FC_STYPE_NULLFUNC		4
#define WLAN_FC_STYPE_CFACK		5
#define WLAN_FC_STYPE_CFPOLL		6
#define WLAN_FC_STYPE_CFACKPOLL		7
#define WLAN_FC_STYPE_QOS_DATA		8

/* Authentication algorithms */
#define WLAN_AUTH_OPEN			0
#define WLAN_AUTH_SHARED_KEY		1
#define WLAN_AUTH_FT			2
#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)
#define WLAN_CAPABILITY_SPECTRUM_MGMT BIT(8)
#define WLAN_CAPABILITY_SHORT_SLOT_TIME BIT(10)
#define WLAN_CAPABILITY_DSSS_OFDM BIT(13)

/* Status codes (IEEE 802.11-2007, 7.3.1.9, Table 7-23) */
#define WLAN_STATUS_SUCCESS 0
#define WLAN_STATUS_UNSPECIFIED_FAILURE 1
#define WLAN_STATUS_CAPS_UNSUPPORTED 10
#define WLAN_STATUS_REASSOC_NO_ASSOC 11
#define WLAN_STATUS_ASSOC_DENIED_UNSPEC 12
#define WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG 13
#define WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION 14
#define WLAN_STATUS_CHALLENGE_FAIL 15
#define WLAN_STATUS_AUTH_TIMEOUT 16
#define WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA 17
#define WLAN_STATUS_ASSOC_DENIED_RATES 18
/* IEEE 802.11b */
#define WLAN_STATUS_ASSOC_DENIED_NOSHORT 19
#define WLAN_STATUS_ASSOC_DENIED_NOPBCC 20
#define WLAN_STATUS_ASSOC_DENIED_NOAGILITY 21
/* IEEE 802.11h */
#define WLAN_STATUS_SPEC_MGMT_REQUIRED 22
#define WLAN_STATUS_PWR_CAPABILITY_NOT_VALID 23
#define WLAN_STATUS_SUPPORTED_CHANNEL_NOT_VALID 24
/* IEEE 802.11g */
#define WLAN_STATUS_ASSOC_DENIED_NO_SHORT_SLOT_TIME 25
#define WLAN_STATUS_ASSOC_DENIED_NO_ER_PBCC 26
#define WLAN_STATUS_ASSOC_DENIED_NO_DSSS_OFDM 27
#define WLAN_STATUS_R0KH_UNREACHABLE 28
/* IEEE 802.11w */
#define WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY 30
#define WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION 31
#define WLAN_STATUS_UNSPECIFIED_QOS_FAILURE 32
#define WLAN_STATUS_REQUEST_DECLINED 37
#define WLAN_STATUS_INVALID_PARAMETERS 38
/* IEEE 802.11i */
#define WLAN_STATUS_INVALID_IE 40
#define WLAN_STATUS_GROUP_CIPHER_NOT_VALID 41
#define WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID 42
#define WLAN_STATUS_AKMP_NOT_VALID 43
#define WLAN_STATUS_UNSUPPORTED_RSN_IE_VERSION 44
#define WLAN_STATUS_INVALID_RSN_IE_CAPAB 45
#define WLAN_STATUS_CIPHER_REJECTED_PER_POLICY 46
#define WLAN_STATUS_TS_NOT_CREATED 47
#define WLAN_STATUS_DIRECT_LINK_NOT_ALLOWED 48
#define WLAN_STATUS_DEST_STA_NOT_PRESENT 49
#define WLAN_STATUS_DEST_STA_NOT_QOS_STA 50
#define WLAN_STATUS_ASSOC_DENIED_LISTEN_INT_TOO_LARGE 51
/* IEEE 802.11r */
#define WLAN_STATUS_INVALID_FT_ACTION_FRAME_COUNT 52
#define WLAN_STATUS_INVALID_PMKID 53
#define WLAN_STATUS_INVALID_MDIE 54
#define WLAN_STATUS_INVALID_FTIE 55

/* Reason codes (IEEE 802.11-2007, 7.3.1.7, Table 7-22) */
#define WLAN_REASON_UNSPECIFIED 1
#define WLAN_REASON_PREV_AUTH_NOT_VALID 2
#define WLAN_REASON_DEAUTH_LEAVING 3
#define WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY 4
#define WLAN_REASON_DISASSOC_AP_BUSY 5
#define WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6
#define WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA 7
#define WLAN_REASON_DISASSOC_STA_HAS_LEFT 8
#define WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH 9
/* IEEE 802.11h */
#define WLAN_REASON_PWR_CAPABILITY_NOT_VALID 10
#define WLAN_REASON_SUPPORTED_CHANNEL_NOT_VALID 11
/* IEEE 802.11i */
#define WLAN_REASON_INVALID_IE 13
#define WLAN_REASON_MICHAEL_MIC_FAILURE 14
#define WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT 15
#define WLAN_REASON_GROUP_KEY_UPDATE_TIMEOUT 16
#define WLAN_REASON_IE_IN_4WAY_DIFFERS 17
#define WLAN_REASON_GROUP_CIPHER_NOT_VALID 18
#define WLAN_REASON_PAIRWISE_CIPHER_NOT_VALID 19
#define WLAN_REASON_AKMP_NOT_VALID 20
#define WLAN_REASON_UNSUPPORTED_RSN_IE_VERSION 21
#define WLAN_REASON_INVALID_RSN_IE_CAPAB 22
#define WLAN_REASON_IEEE_802_1X_AUTH_FAILED 23
#define WLAN_REASON_CIPHER_SUITE_REJECTED 24


/* Information Element IDs */
#define WLAN_EID_SSID 0
#define WLAN_EID_SUPP_RATES 1
#define WLAN_EID_FH_PARAMS 2
#define WLAN_EID_DS_PARAMS 3
#define WLAN_EID_CF_PARAMS 4
#define WLAN_EID_TIM 5
#define WLAN_EID_IBSS_PARAMS 6
#define WLAN_EID_COUNTRY 7
#define WLAN_EID_CHALLENGE 16
/* EIDs defined by IEEE 802.11h - START */
#define WLAN_EID_PWR_CONSTRAINT 32
#define WLAN_EID_PWR_CAPABILITY 33
#define WLAN_EID_TPC_REQUEST 34
#define WLAN_EID_TPC_REPORT 35
#define WLAN_EID_SUPPORTED_CHANNELS 36
#define WLAN_EID_CHANNEL_SWITCH 37
#define WLAN_EID_MEASURE_REQUEST 38
#define WLAN_EID_MEASURE_REPORT 39
#define WLAN_EID_QUITE 40
#define WLAN_EID_IBSS_DFS 41
/* EIDs defined by IEEE 802.11h - END */
#define WLAN_EID_ERP_INFO 42
#define WLAN_EID_HT_CAP 45
#define WLAN_EID_RSN 48
#define WLAN_EID_EXT_SUPP_RATES 50
#define WLAN_EID_MOBILITY_DOMAIN 54
#define WLAN_EID_FAST_BSS_TRANSITION 55
#define WLAN_EID_TIMEOUT_INTERVAL 56
#define WLAN_EID_RIC_DATA 57
#define WLAN_EID_HT_OPERATION 61
#define WLAN_EID_SECONDARY_CHANNEL_OFFSET 62
#define WLAN_EID_20_40_BSS_COEXISTENCE 72
#define WLAN_EID_20_40_BSS_INTOLERANT 73
#define WLAN_EID_OVERLAPPING_BSS_SCAN_PARAMS 74
#define WLAN_EID_MMIE 76
#define WLAN_EID_VENDOR_SPECIFIC 221


/* Action frame categories (IEEE 802.11-2007, 7.3.1.11, Table 7-24) */
#define WLAN_ACTION_SPECTRUM_MGMT 0
#define WLAN_ACTION_QOS 1
#define WLAN_ACTION_DLS 2
#define WLAN_ACTION_BLOCK_ACK 3
#define WLAN_ACTION_PUBLIC 4
#define WLAN_ACTION_RADIO_MEASUREMENT 5
#define WLAN_ACTION_FT 6
#define WLAN_ACTION_HT 7
#define WLAN_ACTION_SA_QUERY 8
#define WLAN_ACTION_WMM 17 /* WMM Specification 1.1 */

/* SA Query Action frame (IEEE 802.11w/D8.0, 7.4.9) */
#define WLAN_SA_QUERY_REQUEST 0
#define WLAN_SA_QUERY_RESPONSE 1

#define WLAN_SA_QUERY_TR_ID_LEN 2

/* Timeout Interval Type */
#define WLAN_TIMEOUT_REASSOC_DEADLINE 1
#define WLAN_TIMEOUT_KEY_LIFETIME 2
#define WLAN_TIMEOUT_ASSOC_COMEBACK 3


#ifdef _MSC_VER
#pragma pack(push, 1)
#endif /* _MSC_VER */

struct ieee80211_hdr {
	le16 frame_control;
	le16 duration_id;
	u8 addr1[6];
	u8 addr2[6];
	u8 addr3[6];
	le16 seq_ctrl;
	/* followed by 'u8 addr4[6];' if ToDS and FromDS is set in data frame
	 */
} STRUCT_PACKED;

#define IEEE80211_DA_FROMDS addr1
#define IEEE80211_BSSID_FROMDS addr2
#define IEEE80211_SA_FROMDS addr3

#define IEEE80211_HDRLEN (sizeof(struct ieee80211_hdr))

#define IEEE80211_FC(type, stype) host_to_le16((type << 2) | (stype << 4))

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];
		} STRUCT_PACKED auth;
		struct {
			le16 reason_code;
		} STRUCT_PACKED deauth;
		struct {
			le16 capab_info;
			le16 listen_interval;
			/* followed by SSID and Supported rates */
			u8 variable[0];
		} STRUCT_PACKED assoc_req;
		struct {
			le16 capab_info;
			le16 status_code;
			le16 aid;
			/* followed by Supported rates */
			u8 variable[0];
		} STRUCT_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];
		} STRUCT_PACKED reassoc_req;
		struct {
			le16 reason_code;
		} STRUCT_PACKED disassoc;
		struct {
			u8 timestamp[8];
			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];
		} STRUCT_PACKED beacon;
		struct {
			/* only variable items: SSID, Supported rates */
			u8 variable[0];
		} STRUCT_PACKED probe_req;
		struct {
			u8 timestamp[8];
			le16 beacon_int;
			le16 capab_info;
			/* followed by some of SSID, Supported rates,
			 * FH Params, DS Params, CF Params, IBSS Params */
			u8 variable[0];
		} STRUCT_PACKED probe_resp;
		struct {
			u8 category;
			union {
				struct {
					u8 action_code;
					u8 dialog_token;
					u8 status_code;
					u8 variable[0];
				} STRUCT_PACKED wmm_action;
				struct{
					u8 action_code;
					u8 element_id;
					u8 length;
					u8 switch_mode;
					u8 new_chan;
					u8 switch_count;
				} STRUCT_PACKED chan_switch;
				struct {
					u8 action;
					u8 sta_addr[ETH_ALEN];
					u8 target_ap_addr[ETH_ALEN];
					u8 variable[0]; /* FT Request */
				} STRUCT_PACKED ft_action_req;
				struct {
					u8 action;
					u8 sta_addr[ETH_ALEN];
					u8 target_ap_addr[ETH_ALEN];
					le16 status_code;
					u8 variable[0]; /* FT Request */
				} STRUCT_PACKED ft_action_resp;
				struct {
					u8 action;
					u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
				} STRUCT_PACKED sa_query_req;
				struct {
					u8 action; /* */
					u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
				} STRUCT_PACKED sa_query_resp;
			} u;
		} STRUCT_PACKED action;
	} u;
} STRUCT_PACKED;

#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */

#define ERP_INFO_NON_ERP_PRESENT BIT(0)
#define ERP_INFO_USE_PROTECTION BIT(1)
#define ERP_INFO_BARKER_PREAMBLE_MODE BIT(2)


/* HT Capability element */

enum {
	MAX_RX_AMPDU_FACTOR_8KB = 0,
	MAX_RX_AMPDU_FACTOR_16KB,
	MAX_RX_AMPDU_FACTOR_32KB,
	MAX_RX_AMPDU_FACTOR_64KB
};

enum {
	CALIBRATION_NOT_SUPPORTED = 0,
	CALIBRATION_CANNOT_INIT,
	CALIBRATION_CAN_INIT,
	CALIBRATION_FULL_SUPPORT
};

enum {
	MCS_FEEDBACK_NOT_PROVIDED = 0,
	MCS_FEEDBACK_UNSOLICITED,
	MCS_FEEDBACK_MRQ_RESPONSE
};


struct ieee80211_ht_capabilities {
	le16 ht_capabilities_info;
	u8 a_mpdu_params;
	u8 supported_mcs_set[16];
	le16 ht_extended_capabilities;
	le32 tx_bf_capability_info;
	u8 asel_capabilities;
} STRUCT_PACKED;


struct ieee80211_ht_operation {
	u8 control_chan;
	u8 ht_param;
	le16 operation_mode;
	le16 stbc_param;
	u8 basic_set[16];
} STRUCT_PACKED;

/* auxiliary bit manipulation macros FIXME: move it to common later... */
#define SET_2BIT_U8(_ptr_, _shift_, _val_)				\
	((*(_ptr_) &= ~(3 << (_shift_))),				\
	 (*(_ptr_) |= (*(_ptr_) & (((u8)3) << (_shift_))) |		\
		      (((u8)(_val_) & 3) << _shift_)))

#define GET_2BIT_U8(_var_, _shift_)	\
	(((_var_) & (((u8)3) << (_shift_))) >> (_shift_))

#define SET_2BIT_LE16(_u16ptr_, _shift_, _val_)				\
	((*(_u16ptr_) &= ~(3 << (_shift_))),				\
	 (*(_u16ptr_) |= 						\
		(((*(_u16ptr_)) & (((u16)3) << ((u16)_shift_))) |	\
		(((u16)(_val_) & (u16)3) << (u16)(_shift_)))))

#define GET_2BIT_LE16(_var_, _shift_)	\
	(((_var_) & (((u16)3) << (_shift_))) >> (_shift_))

#define SET_2BIT_LE32(_u32ptr_, _shift_, _val_)				\
	((*(_u32ptr_) &= ~(3 << (_shift_))),				\
	 (*(_u32ptr_) |= (((*(_u32ptr_)) & (((u32)3) << (_shift_))) |	\
			(((u32)(_val_) & 3) << _shift_))))

#define GET_2BIT_LE32(_var_, _shift_)	\
	(((_var_) & (((u32)3) << (_shift_))) >> (_shift_))

#define SET_3BIT_LE16(_u16ptr_, _shift_, _val_)				\
	((*(_u16ptr_) &= ~(7 << (_shift_))),				\
	(*(_u16ptr_) |= (((*(_u16ptr_)) & (((u16)7) << (_shift_))) |	\
			(((u16)(_val_) & 7) << _shift_))))

#define GET_3BIT_LE16(_var_, _shift_)	\
	(((_var_) & (((u16)7) << (_shift_))) >> (_shift_))

#define SET_3BIT_LE32(_u32ptr_, _shift_, _val_)				\
	((*(_u32ptr_) &= ~(7 << (_shift_))),				\
	 (*(_u32ptr_) |= (((*(_u32ptr_)) & (((u32)7) << (_shift_))) |	\
			(((u32)(_val_) & 7) << _shift_))))

#define GET_3BIT_LE32(_var_, _shift_)	\
	(((_var_) & (((u32)7) << (_shift_))) >> (_shift_))


#define HT_CAP_INFO_LDPC_CODING_CAP		((u16) BIT(0))
#define HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET	((u16) BIT(1))
#define HT_CAP_INFO_SMPS_MASK			((u16) (BIT(2) | BIT(3)))
#define HT_CAP_INFO_SMPS_STATIC			((u16) 0)
#define HT_CAP_INFO_SMPS_DYNAMIC		((u16) BIT(2))
#define HT_CAP_INFO_SMPS_DISABLED		((u16) (BIT(2) | BIT(3)))
#define HT_CAP_INFO_GREEN_FIELD			((u16) BIT(4))
#define HT_CAP_INFO_SHORT_GI20MHZ		((u16) BIT(5))
#define HT_CAP_INFO_SHORT_GI40MHZ		((u16) BIT(6))
#define HT_CAP_INFO_TX_STBC			((u16) BIT(7))
#define HT_CAP_INFO_RX_STBC_MASK		((u16) (BIT(8) | BIT(9)))
#define HT_CAP_INFO_RX_STBC_1			((u16) BIT(8))
#define HT_CAP_INFO_RX_STBC_12			((u16) BIT(9))
#define HT_CAP_INFO_RX_STBC_123			((u16) (BIT(8) | BIT(9)))
#define HT_CAP_INFO_DELAYED_BA			((u16) BIT(10))
#define HT_CAP_INFO_MAX_AMSDU_SIZE		((u16) BIT(11))
#define HT_CAP_INFO_DSSS_CCK40MHZ		((u16) BIT(12))
#define HT_CAP_INFO_PSMP_SUPP			((u16) BIT(13))
#define HT_CAP_INFO_40MHZ_INTOLERANT		((u16) BIT(14))
#define HT_CAP_INFO_LSIG_TXOP_PROTECT_SUPPORT	((u16) BIT(15))


#define MAC_HT_PARAM_INFO_MAX_RX_AMPDU_FACTOR_OFFSET	0
#define MAC_HT_PARAM_INFO_MAX_MPDU_DENSITY_OFFSET	2

#define EXT_HT_CAP_INFO_PCO			((u16) BIT(0))
#define EXT_HT_CAP_INFO_TRANS_TIME_OFFSET	1
#define EXT_HT_CAP_INFO_MCS_FEEDBACK_OFFSET	8
#define EXT_HT_CAP_INFO_HTC_SUPPORTED		((u16) BIT(10))
#define EXT_HT_CAP_INFO_RD_RESPONDER		((u16) BIT(11))


#define TX_BEAMFORM_CAP_TXBF_CAP ((u32) BIT(0))
#define TX_BEAMFORM_CAP_RX_STAGGERED_SOUNDING_CAP ((u32) BIT(1))
#define TX_BEAMFORM_CAP_TX_STAGGERED_SOUNDING_CAP ((u32) BIT(2))
#define TX_BEAMFORM_CAP_RX_ZLF_CAP ((u32) BIT(3))
#define TX_BEAMFORM_CAP_TX_ZLF_CAP ((u32) BIT(4))
#define TX_BEAMFORM_CAP_IMPLICIT_ZLF_CAP ((u32) BIT(5))
#define TX_BEAMFORM_CAP_CALIB_OFFSET 6
#define TX_BEAMFORM_CAP_EXPLICIT_CSI_TXBF_CAP ((u32) BIT(8))
#define TX_BEAMFORM_CAP_EXPLICIT_UNCOMPR_STEERING_MATRIX_CAP ((u32) BIT(9))
#define TX_BEAMFORM_CAP_EXPLICIT_BF_CSI_FEEDBACK_CAP ((u32) BIT(10))
#define TX_BEAMFORM_CAP_EXPLICIT_BF_CSI_FEEDBACK_OFFSET 11
#define TX_BEAMFORM_CAP_EXPLICIT_UNCOMPR_STEERING_MATRIX_FEEDBACK_OFFSET 13
#define TX_BEAMFORM_CAP_EXPLICIT_COMPRESSED_STEERING_MATRIX_FEEDBACK_OFFSET 15
#define TX_BEAMFORM_CAP_MINIMAL_GROUPING_OFFSET 17
#define TX_BEAMFORM_CAP_CSI_NUM_BEAMFORMER_ANT_OFFSET 19
#define TX_BEAMFORM_CAP_UNCOMPRESSED_STEERING_MATRIX_BEAMFORMER_ANT_OFFSET 21
#define TX_BEAMFORM_CAP_COMPRESSED_STEERING_MATRIX_BEAMFORMER_ANT_OFFSET 23
#define TX_BEAMFORM_CAP_SCI_MAX_OF_ROWS_BEANFORMER_SUPPORTED_OFFSET 25


#define ASEL_CAPABILITY_ASEL_CAPABLE ((u8) BIT(0))
#define ASEL_CAPABILITY_EXPLICIT_CSI_FEEDBACK_BASED_TX_AS_CAP ((u8) BIT(1))
#define ASEL_CAPABILITY_ANT_INDICES_FEEDBACK_BASED_TX_AS_CAP ((u8) BIT(2))
#define ASEL_CAPABILITY_EXPLICIT_CSI_FEEDBACK_CAP ((u8) BIT(3))
#define ASEL_CAPABILITY_ANT_INDICES_FEEDBACK_CAP ((u8) BIT(4))
#define ASEL_CAPABILITY_RX_AS_CAP ((u8) BIT(5))
#define ASEL_CAPABILITY_TX_SOUND_PPDUS_CAP ((u8) BIT(6))


struct ht_cap_ie {
	u8 id;
	u8 length;
	struct ieee80211_ht_capabilities data;
} STRUCT_PACKED;


#define REC_TRANS_CHNL_WIDTH_20     0
#define REC_TRANS_CHNL_WIDTH_ANY    1

#define OP_MODE_PURE                    0
#define OP_MODE_MAY_BE_LEGACY_STAS      1
#define OP_MODE_20MHZ_HT_STA_ASSOCED    2
#define OP_MODE_MIXED                   3

#define HT_INFO_HT_PARAM_SECONDARY_CHNL_OFF_MASK	((u8) BIT(0) | BIT(1))
#define HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE		((u8) BIT(0))
#define HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW		((u8) BIT(0) | BIT(1))
#define HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH		((u8) BIT(2))
#define HT_INFO_HT_PARAM_RIFS_MODE			((u8) BIT(3))
#define HT_INFO_HT_PARAM_CTRL_ACCESS_ONLY		((u8) BIT(4))
#define HT_INFO_HT_PARAM_SRV_INTERVAL_GRANULARITY	((u8) BIT(5))

#define HT_INFO_OPERATION_MODE_OP_MODE_MASK	\
		((le16) (0x0001 | 0x0002))
#define HT_INFO_OPERATION_MODE_OP_MODE_OFFSET		0
#define HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT	((u8) BIT(2))
#define HT_INFO_OPERATION_MODE_TRANSMIT_BURST_LIMIT	((u8) BIT(3))
#define HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT	((u8) BIT(4))

#define HT_INFO_STBC_PARAM_DUAL_BEACON			((u16) BIT(6))
#define HT_INFO_STBC_PARAM_DUAL_STBC_PROTECT		((u16) BIT(7))
#define HT_INFO_STBC_PARAM_SECONDARY_BCN		((u16) BIT(8))
#define HT_INFO_STBC_PARAM_LSIG_TXOP_PROTECT_ALLOWED	((u16) BIT(9))
#define HT_INFO_STBC_PARAM_PCO_ACTIVE			((u16) BIT(10))
#define HT_INFO_STBC_PARAM_PCO_PHASE			((u16) BIT(11))


/* Secondary channel offset element */
#define SECONDARY_CHANNEL_OFFSET_NONE	0
#define SECONDARY_CHANNEL_OFFSET_ABOVE	1
#define SECONDARY_CHANNEL_OFFSET_BELOW	3
struct secondary_channel_offset_ie {
	u8 id;
	u8 length;
	u8 secondary_offset_offset;
} STRUCT_PACKED;


/* body of Recommended Transmit Channel Width action frame */
#define CHANNEL_WIDTH_20	0
#define CHANNEL_WIDTH_ANY	1
struct recommended_tx_channel_width_action {
	u8 category;
	u8 action;
	u8 channel_width;
} STRUCT_PACKED;

/* body of MIMO Power Save action frame */
#define PWR_SAVE_MODE_STATIC	0
#define PWR_SAVE_MODE_DYNAMIC	1
struct mimo_pwr_save_action {
	u8 category;
	u8 action;
	u8 enable;
	u8 mode;
} STRUCT_PACKED;


#define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs)
				* 00:50:F2 */

#define WMM_OUI_TYPE 2
#define WMM_OUI_SUBTYPE_INFORMATION_ELEMENT 0
#define WMM_OUI_SUBTYPE_PARAMETER_ELEMENT 1
#define WMM_OUI_SUBTYPE_TSPEC_ELEMENT 2
#define WMM_VERSION 1

#define WMM_ACTION_CODE_ADDTS_REQ 0
#define WMM_ACTION_CODE_ADDTS_RESP 1
#define WMM_ACTION_CODE_DELTS 2

#define WMM_ADDTS_STATUS_ADMISSION_ACCEPTED 0
#define WMM_ADDTS_STATUS_INVALID_PARAMETERS 1
/* 2 - Reserved */
#define WMM_ADDTS_STATUS_REFUSED 3
/* 4-255 - Reserved */

/* WMM TSPEC Direction Field Values */
#define WMM_TSPEC_DIRECTION_UPLINK 0
#define WMM_TSPEC_DIRECTION_DOWNLINK 1
/* 2 - Reserved */
#define WMM_TSPEC_DIRECTION_BI_DIRECTIONAL 3

/*
 * WMM Information Element (used in (Re)Association Request frames; may also be
 * used in Beacon frames)
 */
struct wmm_information_element {
	/* Element ID: 221 (0xdd); Length: 7 */
	/* required fields for WMM version 1 */
	u8 oui[3]; /* 00:50:f2 */
	u8 oui_type; /* 2 */
	u8 oui_subtype; /* 0 */
	u8 version; /* 1 for WMM version 1.0 */
	u8 qos_info; /* AP/STA specific QoS info */

} STRUCT_PACKED;

#define WMM_AC_AIFSN_MASK 0x0f
#define WMM_AC_AIFNS_SHIFT 0
#define WMM_AC_ACM 0x10
#define WMM_AC_ACI_MASK 0x60
#define WMM_AC_ACI_SHIFT 5

#define WMM_AC_ECWMIN_MASK 0x0f
#define WMM_AC_ECWMIN_SHIFT 0
#define WMM_AC_ECWMAX_MASK 0xf0
#define WMM_AC_ECWMAX_SHIFT 4

struct wmm_ac_parameter {
	u8 aci_aifsn; /* AIFSN, ACM, ACI */
	u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
	le16 txop_limit;
}  STRUCT_PACKED;

/*
 * WMM Parameter Element (used in Beacon, Probe Response, and (Re)Association
 * Response frmaes)
 */
struct wmm_parameter_element {
	/* Element ID: 221 (0xdd); Length: 24 */
	/* required fields for WMM version 1 */
	u8 oui[3]; /* 00:50:f2 */
	u8 oui_type; /* 2 */
	u8 oui_subtype; /* 1 */
	u8 version; /* 1 for WMM version 1.0 */
	u8 qos_info; /* AP/STA specif QoS info */
	u8 reserved; /* 0 */
	struct wmm_ac_parameter ac[4]; /* AC_BE, AC_BK, AC_VI, AC_VO */

} STRUCT_PACKED;

/* WMM TSPEC Element */
struct wmm_tspec_element {
	u8 eid; /* 221 = 0xdd */
	u8 length; /* 6 + 55 = 61 */
	u8 oui[3]; /* 00:50:f2 */
	u8 oui_type; /* 2 */
	u8 oui_subtype; /* 2 */
	u8 version; /* 1 */
	/* WMM TSPEC body (55 octets): */
	u8 ts_info[3];
	le16 nominal_msdu_size;
	le16 maximum_msdu_size;
	le32 minimum_service_interval;
	le32 maximum_service_interval;
	le32 inactivity_interval;
	le32 suspension_interval;
	le32 service_start_time;
	le32 minimum_data_rate;
	le32 mean_data_rate;
	le32 peak_data_rate;
	le32 maximum_burst_size;
	le32 delay_bound;
	le32 minimum_phy_rate;
	le16 surplus_bandwidth_allowance;
	le16 medium_time;
} STRUCT_PACKED;


/* Access Categories / ACI to AC coding */
enum {
	WMM_AC_BE = 0 /* Best Effort */,
	WMM_AC_BK = 1 /* Background */,
	WMM_AC_VI = 2 /* Video */,
	WMM_AC_VO = 3 /* Voice */
};


#define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */

#define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */

/* 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_CIPHER_SUITE_AES_CMAC	0x000FAC06

/* AKM suite selectors */
#define WLAN_AKM_SUITE_8021X		0x000FAC01
#define WLAN_AKM_SUITE_PSK		0x000FAC02

#endif /* IEEE802_11_DEFS_H */
