Current File : //lib/modules/6.8.0-60-generic/build/include/linux/ieee80211.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * 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>
 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
 * Copyright (c) 2018 - 2023 Intel Corporation
 */

#ifndef LINUX_IEEE80211_H
#define LINUX_IEEE80211_H

#include <linux/types.h>
#include <linux/if_ether.h>
#include <linux/etherdevice.h>
#include <linux/bitfield.h>
#include <asm/byteorder.h>
#include <asm/unaligned.h>

/*
 * DS bit usage
 *
 * TA = transmitter address
 * RA = receiver address
 * DA = destination address
 * SA = source address
 *
 * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
 * -----------------------------------------------------------------
 *  0       0       DA      SA      BSSID   -       IBSS/DLS
 *  0       1       DA      BSSID   SA      -       AP -> STA
 *  1       0       BSSID   SA      DA      -       AP <- STA
 *  1       1       RA      TA      DA      SA      unspecified (WDS)
 */

#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_FCTL_CTL_EXT		0x0f00

#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
#define IEEE80211_FTYPE_EXT		0x000c

/* 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_TRIGGER		0x0020
#define IEEE80211_STYPE_CTL_EXT		0x0060
#define IEEE80211_STYPE_BACK_REQ	0x0080
#define IEEE80211_STYPE_BACK		0x0090
#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

/* extension, added by 802.11ad */
#define IEEE80211_STYPE_DMG_BEACON		0x0000
#define IEEE80211_STYPE_S1G_BEACON		0x0010

/* bits unique to S1G beacon */
#define IEEE80211_S1G_BCN_NEXT_TBTT	0x100

/* see 802.11ah-2016 9.9 NDP CMAC frames */
#define IEEE80211_S1G_1MHZ_NDP_BITS	25
#define IEEE80211_S1G_1MHZ_NDP_BYTES	4
#define IEEE80211_S1G_2MHZ_NDP_BITS	37
#define IEEE80211_S1G_2MHZ_NDP_BYTES	5

#define IEEE80211_NDP_FTYPE_CTS			0
#define IEEE80211_NDP_FTYPE_CF_END		0
#define IEEE80211_NDP_FTYPE_PS_POLL		1
#define IEEE80211_NDP_FTYPE_ACK			2
#define IEEE80211_NDP_FTYPE_PS_POLL_ACK		3
#define IEEE80211_NDP_FTYPE_BA			4
#define IEEE80211_NDP_FTYPE_BF_REPORT_POLL	5
#define IEEE80211_NDP_FTYPE_PAGING		6
#define IEEE80211_NDP_FTYPE_PREQ		7

#define SM64(f, v)	((((u64)v) << f##_S) & f)

/* NDP CMAC frame fields */
#define IEEE80211_NDP_FTYPE                    0x0000000000000007
#define IEEE80211_NDP_FTYPE_S                  0x0000000000000000

/* 1M Probe Request 11ah 9.9.3.1.1 */
#define IEEE80211_NDP_1M_PREQ_ANO      0x0000000000000008
#define IEEE80211_NDP_1M_PREQ_ANO_S                     3
#define IEEE80211_NDP_1M_PREQ_CSSID    0x00000000000FFFF0
#define IEEE80211_NDP_1M_PREQ_CSSID_S                   4
#define IEEE80211_NDP_1M_PREQ_RTYPE    0x0000000000100000
#define IEEE80211_NDP_1M_PREQ_RTYPE_S                  20
#define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
#define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
/* 2M Probe Request 11ah 9.9.3.1.2 */
#define IEEE80211_NDP_2M_PREQ_ANO      0x0000000000000008
#define IEEE80211_NDP_2M_PREQ_ANO_S                     3
#define IEEE80211_NDP_2M_PREQ_CSSID    0x0000000FFFFFFFF0
#define IEEE80211_NDP_2M_PREQ_CSSID_S                   4
#define IEEE80211_NDP_2M_PREQ_RTYPE    0x0000001000000000
#define IEEE80211_NDP_2M_PREQ_RTYPE_S                  36

#define IEEE80211_ANO_NETTYPE_WILD              15

/* bits unique to S1G beacon */
#define IEEE80211_S1G_BCN_NEXT_TBTT    0x100

/* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
#define IEEE80211_CTL_EXT_POLL		0x2000
#define IEEE80211_CTL_EXT_SPR		0x3000
#define IEEE80211_CTL_EXT_GRANT	0x4000
#define IEEE80211_CTL_EXT_DMG_CTS	0x5000
#define IEEE80211_CTL_EXT_DMG_DTS	0x6000
#define IEEE80211_CTL_EXT_SSW		0x8000
#define IEEE80211_CTL_EXT_SSW_FBACK	0x9000
#define IEEE80211_CTL_EXT_SSW_ACK	0xa000


#define IEEE80211_SN_MASK		((IEEE80211_SCTL_SEQ) >> 4)
#define IEEE80211_MAX_SN		IEEE80211_SN_MASK
#define IEEE80211_SN_MODULO		(IEEE80211_MAX_SN + 1)


/* PV1 Layout IEEE 802.11-2020 9.8.3.1 */
#define IEEE80211_PV1_FCTL_VERS		0x0003
#define IEEE80211_PV1_FCTL_FTYPE	0x001c
#define IEEE80211_PV1_FCTL_STYPE	0x00e0
#define IEEE80211_PV1_FCTL_FROMDS		0x0100
#define IEEE80211_PV1_FCTL_MOREFRAGS	0x0200
#define IEEE80211_PV1_FCTL_PM		0x0400
#define IEEE80211_PV1_FCTL_MOREDATA	0x0800
#define IEEE80211_PV1_FCTL_PROTECTED	0x1000
#define IEEE80211_PV1_FCTL_END_SP       0x2000
#define IEEE80211_PV1_FCTL_RELAYED      0x4000
#define IEEE80211_PV1_FCTL_ACK_POLICY   0x8000
#define IEEE80211_PV1_FCTL_CTL_EXT	0x0f00

static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
{
	return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
}

static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
{
	return (sn1 + sn2) & IEEE80211_SN_MASK;
}

static inline u16 ieee80211_sn_inc(u16 sn)
{
	return ieee80211_sn_add(sn, 1);
}

static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
{
	return (sn1 - sn2) & IEEE80211_SN_MASK;
}

#define IEEE80211_SEQ_TO_SN(seq)	(((seq) & IEEE80211_SCTL_SEQ) >> 4)
#define IEEE80211_SN_TO_SEQ(ssn)	(((ssn) << 4) & IEEE80211_SCTL_SEQ)

/* 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_AID_S1G		8191
#define IEEE80211_MAX_TIM_LEN		251
#define IEEE80211_MAX_MESH_PEERINGS	63
/* 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
/* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 * to 7920 bytes, see 8.2.3 General frame format
 */
#define IEEE80211_MAX_DATA_LEN_DMG	7920
/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
#define IEEE80211_MAX_FRAME_LEN		2352

/* Maximal size of an A-MSDU that can be transported in a HT BA session */
#define IEEE80211_MAX_MPDU_LEN_HT_BA		4095

/* Maximal size of an A-MSDU */
#define IEEE80211_MAX_MPDU_LEN_HT_3839		3839
#define IEEE80211_MAX_MPDU_LEN_HT_7935		7935

#define IEEE80211_MAX_MPDU_LEN_VHT_3895		3895
#define IEEE80211_MAX_MPDU_LEN_VHT_7991		7991
#define IEEE80211_MAX_MPDU_LEN_VHT_11454	11454

#define IEEE80211_MAX_SSID_LEN		32

#define IEEE80211_MAX_MESH_ID_LEN	32

#define IEEE80211_FIRST_TSPEC_TSID	8
#define IEEE80211_NUM_TIDS		16

/* number of user priorities 802.11 uses */
#define IEEE80211_NUM_UPS		8
/* number of ACs */
#define IEEE80211_NUM_ACS		4

#define IEEE80211_QOS_CTL_LEN		2
/* 1d tag mask */
#define IEEE80211_QOS_CTL_TAG1D_MASK		0x0007
/* TID mask */
#define IEEE80211_QOS_CTL_TID_MASK		0x000f
/* EOSP */
#define IEEE80211_QOS_CTL_EOSP			0x0010
/* ACK policy */
#define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL	0x0000
#define IEEE80211_QOS_CTL_ACK_POLICY_NOACK	0x0020
#define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL	0x0040
#define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK	0x0060
#define IEEE80211_QOS_CTL_ACK_POLICY_MASK	0x0060
/* A-MSDU 802.11n */
#define IEEE80211_QOS_CTL_A_MSDU_PRESENT	0x0080
/* Mesh Control 802.11s */
#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100

/* Mesh Power Save Level */
#define IEEE80211_QOS_CTL_MESH_PS_LEVEL		0x0200
/* Mesh Receiver Service Period Initiated */
#define IEEE80211_QOS_CTL_RSPI			0x0400

/* U-APSD queue for WMM IEs sent by AP */
#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD	(1<<7)
#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK	0x0f

/* U-APSD queues for WMM IEs sent by STA */
#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO	(1<<0)
#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI	(1<<1)
#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK	(1<<2)
#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE	(1<<3)
#define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK	0x0f

/* U-APSD max SP length for WMM IEs sent by STA */
#define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL	0x00
#define IEEE80211_WMM_IE_STA_QOSINFO_SP_2	0x01
#define IEEE80211_WMM_IE_STA_QOSINFO_SP_4	0x02
#define IEEE80211_WMM_IE_STA_QOSINFO_SP_6	0x03
#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK	0x03
#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT	5

#define IEEE80211_HT_CTL_LEN		4

/* trigger type within common_info of trigger frame */
#define IEEE80211_TRIGGER_TYPE_MASK		0xf
#define IEEE80211_TRIGGER_TYPE_BASIC		0x0
#define IEEE80211_TRIGGER_TYPE_BFRP		0x1
#define IEEE80211_TRIGGER_TYPE_MU_BAR		0x2
#define IEEE80211_TRIGGER_TYPE_MU_RTS		0x3
#define IEEE80211_TRIGGER_TYPE_BSRP		0x4
#define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR	0x5
#define IEEE80211_TRIGGER_TYPE_BQRP		0x6
#define IEEE80211_TRIGGER_TYPE_NFRP		0x7

/* UL-bandwidth within common_info of trigger frame */
#define IEEE80211_TRIGGER_ULBW_MASK		0xc0000
#define IEEE80211_TRIGGER_ULBW_20MHZ		0x0
#define IEEE80211_TRIGGER_ULBW_40MHZ		0x1
#define IEEE80211_TRIGGER_ULBW_80MHZ		0x2
#define IEEE80211_TRIGGER_ULBW_160_80P80MHZ	0x3

struct ieee80211_hdr {
	__le16 frame_control;
	__le16 duration_id;
	struct_group(addrs,
		u8 addr1[ETH_ALEN];
		u8 addr2[ETH_ALEN];
		u8 addr3[ETH_ALEN];
	);
	__le16 seq_ctrl;
	u8 addr4[ETH_ALEN];
} __packed __aligned(2);

struct ieee80211_hdr_3addr {
	__le16 frame_control;
	__le16 duration_id;
	u8 addr1[ETH_ALEN];
	u8 addr2[ETH_ALEN];
	u8 addr3[ETH_ALEN];
	__le16 seq_ctrl;
} __packed __aligned(2);

struct ieee80211_qos_hdr {
	__le16 frame_control;
	__le16 duration_id;
	u8 addr1[ETH_ALEN];
	u8 addr2[ETH_ALEN];
	u8 addr3[ETH_ALEN];
	__le16 seq_ctrl;
	__le16 qos_ctrl;
} __packed __aligned(2);

struct ieee80211_qos_hdr_4addr {
	__le16 frame_control;
	__le16 duration_id;
	u8 addr1[ETH_ALEN];
	u8 addr2[ETH_ALEN];
	u8 addr3[ETH_ALEN];
	__le16 seq_ctrl;
	u8 addr4[ETH_ALEN];
	__le16 qos_ctrl;
} __packed __aligned(2);

struct ieee80211_trigger {
	__le16 frame_control;
	__le16 duration;
	u8 ra[ETH_ALEN];
	u8 ta[ETH_ALEN];
	__le64 common_info;
	u8 variable[];
} __packed __aligned(2);

/**
 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_has_tods(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
}

/**
 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_has_fromds(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
}

/**
 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_has_a4(__le16 fc)
{
	__le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
	return (fc & tmp) == tmp;
}

/**
 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_has_morefrags(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
}

/**
 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_has_retry(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
}

/**
 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_has_pm(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
}

/**
 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_has_moredata(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
}

/**
 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_has_protected(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
}

/**
 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_has_order(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
}

/**
 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_mgmt(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT);
}

/**
 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_ctl(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL);
}

/**
 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_data(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_DATA);
}

/**
 * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_ext(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_EXT);
}


/**
 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_data_qos(__le16 fc)
{
	/*
	 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
	 * to check the one bit
	 */
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
}

/**
 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_data_present(__le16 fc)
{
	/*
	 * mask with 0x40 and test that that bit is clear to only return true
	 * for the data-containing substypes.
	 */
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
	       cpu_to_le16(IEEE80211_FTYPE_DATA);
}

/**
 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_assoc_req(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
}

/**
 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_assoc_resp(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
}

/**
 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_reassoc_req(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
}

/**
 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_reassoc_resp(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
}

/**
 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_probe_req(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
}

/**
 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_probe_resp(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
}

/**
 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_beacon(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
}

/**
 * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
 * IEEE80211_STYPE_S1G_BEACON
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_s1g_beacon(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
				 IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
}

/**
 * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
 * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_next_tbtt_present(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
	       fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
}

/**
 * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
 * true for S1G beacons when they're short.
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
{
	return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
}

/**
 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_atim(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
}

/**
 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_disassoc(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
}

/**
 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_auth(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
}

/**
 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_deauth(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
}

/**
 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_action(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
}

/**
 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_back_req(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
}

/**
 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_back(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
}

/**
 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_pspoll(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
}

/**
 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_rts(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
}

/**
 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_cts(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
}

/**
 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_ack(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
}

/**
 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_cfend(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
}

/**
 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_cfendack(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
}

/**
 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_nullfunc(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
}

/**
 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
}

/**
 * ieee80211_is_trigger - check if frame is trigger frame
 * @fc: frame control field in little-endian byteorder
 */
static inline bool ieee80211_is_trigger(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
}

/**
 * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_any_nullfunc(__le16 fc)
{
	return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
}

/**
 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 */
static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
{
	return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
}

/**
 * ieee80211_is_frag - check if a frame is a fragment
 * @hdr: 802.11 header of the frame
 */
static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
{
	return ieee80211_has_morefrags(hdr->frame_control) ||
	       hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
}

struct ieee80211s_hdr {
	u8 flags;
	u8 ttl;
	__le32 seqnum;
	u8 eaddr1[ETH_ALEN];
	u8 eaddr2[ETH_ALEN];
} __packed __aligned(2);

/* Mesh flags */
#define MESH_FLAGS_AE_A4 	0x1
#define MESH_FLAGS_AE_A5_A6	0x2
#define MESH_FLAGS_AE		0x3
#define MESH_FLAGS_PS_DEEP	0x4

/**
 * enum ieee80211_preq_flags - mesh PREQ element flags
 *
 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 */
enum ieee80211_preq_flags {
	IEEE80211_PREQ_PROACTIVE_PREP_FLAG	= 1<<2,
};

/**
 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 *
 * @IEEE80211_PREQ_TO_FLAG: target only subfield
 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 */
enum ieee80211_preq_target_flags {
	IEEE80211_PREQ_TO_FLAG	= 1<<0,
	IEEE80211_PREQ_USN_FLAG	= 1<<2,
};

/**
 * struct ieee80211_quiet_ie - Quiet element
 * @count: Quiet Count
 * @period: Quiet Period
 * @duration: Quiet Duration
 * @offset: Quiet Offset
 *
 * This structure represents the payload of the "Quiet element" as
 * described in IEEE Std 802.11-2020 section 9.4.2.22.
 */
struct ieee80211_quiet_ie {
	u8 count;
	u8 period;
	__le16 duration;
	__le16 offset;
} __packed;

/**
 * struct ieee80211_msrment_ie - Measurement element
 * @token: Measurement Token
 * @mode: Measurement Report Mode
 * @type: Measurement Type
 * @request: Measurement Request or Measurement Report
 *
 * This structure represents the payload of both the "Measurement
 * Request element" and the "Measurement Report element" as described
 * in IEEE Std 802.11-2020 sections 9.4.2.20 and 9.4.2.21.
 */
struct ieee80211_msrment_ie {
	u8 token;
	u8 mode;
	u8 type;
	u8 request[];
} __packed;

/**
 * struct ieee80211_channel_sw_ie - Channel Switch Announcement element
 * @mode: Channel Switch Mode
 * @new_ch_num: New Channel Number
 * @count: Channel Switch Count
 *
 * This structure represents the payload of the "Channel Switch
 * Announcement element" as described in IEEE Std 802.11-2020 section
 * 9.4.2.18.
 */
struct ieee80211_channel_sw_ie {
	u8 mode;
	u8 new_ch_num;
	u8 count;
} __packed;

/**
 * struct ieee80211_ext_chansw_ie - Extended Channel Switch Announcement element
 * @mode: Channel Switch Mode
 * @new_operating_class: New Operating Class
 * @new_ch_num: New Channel Number
 * @count: Channel Switch Count
 *
 * This structure represents the "Extended Channel Switch Announcement
 * element" as described in IEEE Std 802.11-2020 section 9.4.2.52.
 */
struct ieee80211_ext_chansw_ie {
	u8 mode;
	u8 new_operating_class;
	u8 new_ch_num;
	u8 count;
} __packed;

/**
 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 *	values here
 * This structure represents the "Secondary Channel Offset element"
 */
struct ieee80211_sec_chan_offs_ie {
	u8 sec_chan_offs;
} __packed;

/**
 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 * @mesh_ttl: Time To Live
 * @mesh_flags: Flags
 * @mesh_reason: Reason Code
 * @mesh_pre_value: Precedence Value
 *
 * This structure represents the payload of the "Mesh Channel Switch
 * Parameters element" as described in IEEE Std 802.11-2020 section
 * 9.4.2.102.
 */
struct ieee80211_mesh_chansw_params_ie {
	u8 mesh_ttl;
	u8 mesh_flags;
	__le16 mesh_reason;
	__le16 mesh_pre_value;
} __packed;

/**
 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 * @new_channel_width: New Channel Width
 * @new_center_freq_seg0: New Channel Center Frequency Segment 0
 * @new_center_freq_seg1: New Channel Center Frequency Segment 1
 *
 * This structure represents the payload of the "Wide Bandwidth
 * Channel Switch element" as described in IEEE Std 802.11-2020
 * section 9.4.2.160.
 */
struct ieee80211_wide_bw_chansw_ie {
	u8 new_channel_width;
	u8 new_center_freq_seg0, new_center_freq_seg1;
} __packed;

/**
 * struct ieee80211_tim_ie - Traffic Indication Map information element
 * @dtim_count: DTIM Count
 * @dtim_period: DTIM Period
 * @bitmap_ctrl: Bitmap Control
 * @required_octet: "Syntatic sugar" to force the struct size to the
 *                  minimum valid size when carried in a non-S1G PPDU
 * @virtual_map: Partial Virtual Bitmap
 *
 * This structure represents the payload of the "TIM element" as
 * described in IEEE Std 802.11-2020 section 9.4.2.5. Note that this
 * definition is only applicable when the element is carried in a
 * non-S1G PPDU. When the TIM is carried in an S1G PPDU, the Bitmap
 * Control and Partial Virtual Bitmap may not be present.
 */
struct ieee80211_tim_ie {
	u8 dtim_count;
	u8 dtim_period;
	u8 bitmap_ctrl;
	union {
		u8 required_octet;
		DECLARE_FLEX_ARRAY(u8, virtual_map);
	};
} __packed;

/**
 * struct ieee80211_meshconf_ie - Mesh Configuration element
 * @meshconf_psel: Active Path Selection Protocol Identifier
 * @meshconf_pmetric: Active Path Selection Metric Identifier
 * @meshconf_congest: Congestion Control Mode Identifier
 * @meshconf_synch: Synchronization Method Identifier
 * @meshconf_auth: Authentication Protocol Identifier
 * @meshconf_form: Mesh Formation Info
 * @meshconf_cap: Mesh Capability (see &enum mesh_config_capab_flags)
 *
 * This structure represents the payload of the "Mesh Configuration
 * element" as described in IEEE Std 802.11-2020 section 9.4.2.97.
 */
struct ieee80211_meshconf_ie {
	u8 meshconf_psel;
	u8 meshconf_pmetric;
	u8 meshconf_congest;
	u8 meshconf_synch;
	u8 meshconf_auth;
	u8 meshconf_form;
	u8 meshconf_cap;
} __packed;

/**
 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 *
 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 *	additional mesh peerings with other mesh STAs
 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 *	is ongoing
 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 *	neighbors in deep sleep mode
 *
 * Enumerates the "Mesh Capability" as described in IEEE Std
 * 802.11-2020 section 9.4.2.97.7.
 */
enum mesh_config_capab_flags {
	IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS		= 0x01,
	IEEE80211_MESHCONF_CAPAB_FORWARDING		= 0x08,
	IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING		= 0x20,
	IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL	= 0x40,
};

#define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1

/*
 * mesh channel switch parameters element's flag indicator
 *
 */
#define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
#define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
#define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)

/**
 * struct ieee80211_rann_ie - RANN (root announcement) element
 * @rann_flags: Flags
 * @rann_hopcount: Hop Count
 * @rann_ttl: Element TTL
 * @rann_addr: Root Mesh STA Address
 * @rann_seq: HWMP Sequence Number
 * @rann_interval: Interval
 * @rann_metric: Metric
 *
 * This structure represents the payload of the "RANN element" as
 * described in IEEE Std 802.11-2020 section 9.4.2.111.
 */
struct ieee80211_rann_ie {
	u8 rann_flags;
	u8 rann_hopcount;
	u8 rann_ttl;
	u8 rann_addr[ETH_ALEN];
	__le32 rann_seq;
	__le32 rann_interval;
	__le32 rann_metric;
} __packed;

enum ieee80211_rann_flags {
	RANN_FLAG_IS_GATE = 1 << 0,
};

enum ieee80211_ht_chanwidth_values {
	IEEE80211_HT_CHANWIDTH_20MHZ = 0,
	IEEE80211_HT_CHANWIDTH_ANY = 1,
};

/**
 * enum ieee80211_vht_opmode_bits - VHT operating mode field bits
 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 *	(the NSS value is the value of this field + 1)
 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 *	using a beamforming steering matrix
 */
enum ieee80211_vht_opmode_bits {
	IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK	= 0x03,
	IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ	= 0,
	IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ	= 1,
	IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ	= 2,
	IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ	= 3,
	IEEE80211_OPMODE_NOTIF_BW_160_80P80	= 0x04,
	IEEE80211_OPMODE_NOTIF_RX_NSS_MASK	= 0x70,
	IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT	= 4,
	IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF	= 0x80,
};

/**
 * enum ieee80211_s1g_chanwidth
 * These are defined in IEEE802.11-2016ah Table 10-20
 * as BSS Channel Width
 *
 * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
 * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
 * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
 * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
 * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
 */
enum ieee80211_s1g_chanwidth {
	IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
	IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
	IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
	IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
	IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
};

#define WLAN_SA_QUERY_TR_ID_LEN 2
#define WLAN_MEMBERSHIP_LEN 8
#define WLAN_USER_POSITION_LEN 16

/**
 * struct ieee80211_tpc_report_ie - TPC Report element
 * @tx_power: Transmit Power
 * @link_margin: Link Margin
 *
 * This structure represents the payload of the "TPC Report element" as
 * described in IEEE Std 802.11-2020 section 9.4.2.16.
 */
struct ieee80211_tpc_report_ie {
	u8 tx_power;
	u8 link_margin;
} __packed;

#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK	GENMASK(2, 1)
#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT	1
#define IEEE80211_ADDBA_EXT_NO_FRAG		BIT(0)
#define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK	GENMASK(7, 5)
#define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT	10

struct ieee80211_addba_ext_ie {
	u8 data;
} __packed;

/**
 * struct ieee80211_s1g_bcn_compat_ie - S1G Beacon Compatibility element
 * @compat_info: Compatibility Information
 * @beacon_int: Beacon Interval
 * @tsf_completion: TSF Completion
 *
 * This structure represents the payload of the "S1G Beacon
 * Compatibility element" as described in IEEE Std 802.11-2020 section
 * 9.4.2.196.
 */
struct ieee80211_s1g_bcn_compat_ie {
	__le16 compat_info;
	__le16 beacon_int;
	__le32 tsf_completion;
} __packed;

/**
 * struct ieee80211_s1g_oper_ie - S1G Operation element
 * @ch_width: S1G Operation Information Channel Width
 * @oper_class: S1G Operation Information Operating Class
 * @primary_ch: S1G Operation Information Primary Channel Number
 * @oper_ch: S1G Operation Information  Channel Center Frequency
 * @basic_mcs_nss: Basic S1G-MCS and NSS Set
 *
 * This structure represents the payload of the "S1G Operation
 * element" as described in IEEE Std 802.11-2020 section 9.4.2.212.
 */
struct ieee80211_s1g_oper_ie {
	u8 ch_width;
	u8 oper_class;
	u8 primary_ch;
	u8 oper_ch;
	__le16 basic_mcs_nss;
} __packed;

/**
 * struct ieee80211_aid_response_ie - AID Response element
 * @aid: AID/Group AID
 * @switch_count: AID Switch Count
 * @response_int: AID Response Interval
 *
 * This structure represents the payload of the "AID Response element"
 * as described in IEEE Std 802.11-2020 section 9.4.2.194.
 */
struct ieee80211_aid_response_ie {
	__le16 aid;
	u8 switch_count;
	__le16 response_int;
} __packed;

struct ieee80211_s1g_cap {
	u8 capab_info[10];
	u8 supp_mcs_nss[5];
} __packed;

struct ieee80211_ext {
	__le16 frame_control;
	__le16 duration;
	union {
		struct {
			u8 sa[ETH_ALEN];
			__le32 timestamp;
			u8 change_seq;
			u8 variable[0];
		} __packed s1g_beacon;
		struct {
			u8 sa[ETH_ALEN];
			__le32 timestamp;
			u8 change_seq;
			u8 next_tbtt[3];
			u8 variable[0];
		} __packed s1g_short_beacon;
	} u;
} __packed __aligned(2);

#define IEEE80211_TWT_CONTROL_NDP			BIT(0)
#define IEEE80211_TWT_CONTROL_RESP_MODE			BIT(1)
#define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST	BIT(3)
#define IEEE80211_TWT_CONTROL_RX_DISABLED		BIT(4)
#define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT		BIT(5)

#define IEEE80211_TWT_REQTYPE_REQUEST			BIT(0)
#define IEEE80211_TWT_REQTYPE_SETUP_CMD			GENMASK(3, 1)
#define IEEE80211_TWT_REQTYPE_TRIGGER			BIT(4)
#define IEEE80211_TWT_REQTYPE_IMPLICIT			BIT(5)
#define IEEE80211_TWT_REQTYPE_FLOWTYPE			BIT(6)
#define IEEE80211_TWT_REQTYPE_FLOWID			GENMASK(9, 7)
#define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP		GENMASK(14, 10)
#define IEEE80211_TWT_REQTYPE_PROTECTION		BIT(15)

enum ieee80211_twt_setup_cmd {
	TWT_SETUP_CMD_REQUEST,
	TWT_SETUP_CMD_SUGGEST,
	TWT_SETUP_CMD_DEMAND,
	TWT_SETUP_CMD_GROUPING,
	TWT_SETUP_CMD_ACCEPT,
	TWT_SETUP_CMD_ALTERNATE,
	TWT_SETUP_CMD_DICTATE,
	TWT_SETUP_CMD_REJECT,
};

struct ieee80211_twt_params {
	__le16 req_type;
	__le64 twt;
	u8 min_twt_dur;
	__le16 mantissa;
	u8 channel;
} __packed;

struct ieee80211_twt_setup {
	u8 dialog_token;
	u8 element_id;
	u8 length;
	u8 control;
	u8 params[];
} __packed;

#define IEEE80211_TTLM_MAX_CNT				2
#define IEEE80211_TTLM_CONTROL_DIRECTION		0x03
#define IEEE80211_TTLM_CONTROL_DEF_LINK_MAP		0x04
#define IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT	0x08
#define IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT	0x10
#define IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE		0x20

#define IEEE80211_TTLM_DIRECTION_DOWN		0
#define IEEE80211_TTLM_DIRECTION_UP		1
#define IEEE80211_TTLM_DIRECTION_BOTH		2

/**
 * struct ieee80211_ttlm_elem - TID-To-Link Mapping element
 *
 * Defined in section 9.4.2.314 in P802.11be_D4
 *
 * @control: the first part of control field
 * @optional: the second part of control field
 */
struct ieee80211_ttlm_elem {
	u8 control;
	u8 optional[];
} __packed;

struct ieee80211_mgmt {
	__le16 frame_control;
	__le16 duration;
	u8 da[ETH_ALEN];
	u8 sa[ETH_ALEN];
	u8 bssid[ETH_ALEN];
	__le16 seq_ctrl;
	union {
		struct {
			__le16 auth_alg;
			__le16 auth_transaction;
			__le16 status_code;
			/* possibly followed by Challenge text */
			u8 variable[];
		} __packed auth;
		struct {
			__le16 reason_code;
		} __packed deauth;
		struct {
			__le16 capab_info;
			__le16 listen_interval;
			/* followed by SSID and Supported rates */
			u8 variable[];
		} __packed assoc_req;
		struct {
			__le16 capab_info;
			__le16 status_code;
			__le16 aid;
			/* followed by Supported rates */
			u8 variable[];
		} __packed assoc_resp, reassoc_resp;
		struct {
			__le16 capab_info;
			__le16 status_code;
			u8 variable[];
		} __packed s1g_assoc_resp, s1g_reassoc_resp;
		struct {
			__le16 capab_info;
			__le16 listen_interval;
			u8 current_ap[ETH_ALEN];
			/* followed by SSID and Supported rates */
			u8 variable[];
		} __packed reassoc_req;
		struct {
			__le16 reason_code;
		} __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[];
		} __packed beacon;
		struct {
			/* only variable items: SSID, Supported rates */
			DECLARE_FLEX_ARRAY(u8, variable);
		} __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[];
		} __packed probe_resp;
		struct {
			u8 category;
			union {
				struct {
					u8 action_code;
					u8 dialog_token;
					u8 status_code;
					u8 variable[];
				} __packed wme_action;
				struct{
					u8 action_code;
					u8 variable[];
				} __packed chan_switch;
				struct{
					u8 action_code;
					struct ieee80211_ext_chansw_ie data;
					u8 variable[];
				} __packed ext_chan_switch;
				struct{
					u8 action_code;
					u8 dialog_token;
					u8 element_id;
					u8 length;
					struct ieee80211_msrment_ie msr_elem;
				} __packed measurement;
				struct{
					u8 action_code;
					u8 dialog_token;
					__le16 capab;
					__le16 timeout;
					__le16 start_seq_num;
					/* followed by BA Extension */
					u8 variable[];
				} __packed addba_req;
				struct{
					u8 action_code;
					u8 dialog_token;
					__le16 status;
					__le16 capab;
					__le16 timeout;
				} __packed addba_resp;
				struct{
					u8 action_code;
					__le16 params;
					__le16 reason_code;
				} __packed delba;
				struct {
					u8 action_code;
					u8 variable[];
				} __packed self_prot;
				struct{
					u8 action_code;
					u8 variable[];
				} __packed mesh_action;
				struct {
					u8 action;
					u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
				} __packed sa_query;
				struct {
					u8 action;
					u8 smps_control;
				} __packed ht_smps;
				struct {
					u8 action_code;
					u8 chanwidth;
				} __packed ht_notify_cw;
				struct {
					u8 action_code;
					u8 dialog_token;
					__le16 capability;
					u8 variable[0];
				} __packed tdls_discover_resp;
				struct {
					u8 action_code;
					u8 operating_mode;
				} __packed vht_opmode_notif;
				struct {
					u8 action_code;
					u8 membership[WLAN_MEMBERSHIP_LEN];
					u8 position[WLAN_USER_POSITION_LEN];
				} __packed vht_group_notif;
				struct {
					u8 action_code;
					u8 dialog_token;
					u8 tpc_elem_id;
					u8 tpc_elem_length;
					struct ieee80211_tpc_report_ie tpc;
				} __packed tpc_report;
				struct {
					u8 action_code;
					u8 dialog_token;
					u8 follow_up;
					u8 tod[6];
					u8 toa[6];
					__le16 tod_error;
					__le16 toa_error;
					u8 variable[];
				} __packed ftm;
				struct {
					u8 action_code;
					u8 variable[];
				} __packed s1g;
				struct {
					u8 action_code;
					u8 dialog_token;
					u8 follow_up;
					u32 tod;
					u32 toa;
					u8 max_tod_error;
					u8 max_toa_error;
				} __packed wnm_timing_msr;
			} u;
		} __packed action;
		DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
	} u;
} __packed __aligned(2);

/* Supported rates membership selectors */
#define BSS_MEMBERSHIP_SELECTOR_HT_PHY	127
#define BSS_MEMBERSHIP_SELECTOR_VHT_PHY	126
#define BSS_MEMBERSHIP_SELECTOR_GLK	125
#define BSS_MEMBERSHIP_SELECTOR_EPS	124
#define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
#define BSS_MEMBERSHIP_SELECTOR_HE_PHY	122
#define BSS_MEMBERSHIP_SELECTOR_EHT_PHY	121

/* mgmt header + 1 byte category code */
#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)


/* Management MIC information element (IEEE 802.11w) */
struct ieee80211_mmie {
	u8 element_id;
	u8 length;
	__le16 key_id;
	u8 sequence_number[6];
	u8 mic[8];
} __packed;

/* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
struct ieee80211_mmie_16 {
	u8 element_id;
	u8 length;
	__le16 key_id;
	u8 sequence_number[6];
	u8 mic[16];
} __packed;

struct ieee80211_vendor_ie {
	u8 element_id;
	u8 len;
	u8 oui[3];
	u8 oui_type;
} __packed;

struct ieee80211_wmm_ac_param {
	u8 aci_aifsn; /* AIFSN, ACM, ACI */
	u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
	__le16 txop_limit;
} __packed;

struct ieee80211_wmm_param_ie {
	u8 element_id; /* Element ID: 221 (0xdd); */
	u8 len; /* 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 specific QoS info */
	u8 reserved; /* 0 */
	/* AC_BE, AC_BK, AC_VI, AC_VO */
	struct ieee80211_wmm_ac_param ac[4];
} __packed;

/* Control frames */
struct ieee80211_rts {
	__le16 frame_control;
	__le16 duration;
	u8 ra[ETH_ALEN];
	u8 ta[ETH_ALEN];
} __packed __aligned(2);

struct ieee80211_cts {
	__le16 frame_control;
	__le16 duration;
	u8 ra[ETH_ALEN];
} __packed __aligned(2);

struct ieee80211_pspoll {
	__le16 frame_control;
	__le16 aid;
	u8 bssid[ETH_ALEN];
	u8 ta[ETH_ALEN];
} __packed __aligned(2);

/* TDLS */

/* Channel switch timing */
struct ieee80211_ch_switch_timing {
	__le16 switch_time;
	__le16 switch_timeout;
} __packed;

/* Link-id information element */
struct ieee80211_tdls_lnkie {
	u8 ie_type; /* Link Identifier IE */
	u8 ie_len;
	u8 bssid[ETH_ALEN];
	u8 init_sta[ETH_ALEN];
	u8 resp_sta[ETH_ALEN];
} __packed;

struct ieee80211_tdls_data {
	u8 da[ETH_ALEN];
	u8 sa[ETH_ALEN];
	__be16 ether_type;
	u8 payload_type;
	u8 category;
	u8 action_code;
	union {
		struct {
			u8 dialog_token;
			__le16 capability;
			u8 variable[0];
		} __packed setup_req;
		struct {
			__le16 status_code;
			u8 dialog_token;
			__le16 capability;
			u8 variable[0];
		} __packed setup_resp;
		struct {
			__le16 status_code;
			u8 dialog_token;
			u8 variable[0];
		} __packed setup_cfm;
		struct {
			__le16 reason_code;
			u8 variable[0];
		} __packed teardown;
		struct {
			u8 dialog_token;
			u8 variable[0];
		} __packed discover_req;
		struct {
			u8 target_channel;
			u8 oper_class;
			u8 variable[0];
		} __packed chan_switch_req;
		struct {
			__le16 status_code;
			u8 variable[0];
		} __packed chan_switch_resp;
	} u;
} __packed;

/*
 * Peer-to-Peer IE attribute related definitions.
 */
/*
 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
 */
enum ieee80211_p2p_attr_id {
	IEEE80211_P2P_ATTR_STATUS = 0,
	IEEE80211_P2P_ATTR_MINOR_REASON,
	IEEE80211_P2P_ATTR_CAPABILITY,
	IEEE80211_P2P_ATTR_DEVICE_ID,
	IEEE80211_P2P_ATTR_GO_INTENT,
	IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
	IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
	IEEE80211_P2P_ATTR_GROUP_BSSID,
	IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
	IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
	IEEE80211_P2P_ATTR_MANAGABILITY,
	IEEE80211_P2P_ATTR_CHANNEL_LIST,
	IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
	IEEE80211_P2P_ATTR_DEVICE_INFO,
	IEEE80211_P2P_ATTR_GROUP_INFO,
	IEEE80211_P2P_ATTR_GROUP_ID,
	IEEE80211_P2P_ATTR_INTERFACE,
	IEEE80211_P2P_ATTR_OPER_CHANNEL,
	IEEE80211_P2P_ATTR_INVITE_FLAGS,
	/* 19 - 220: Reserved */
	IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,

	IEEE80211_P2P_ATTR_MAX
};

/* Notice of Absence attribute - described in P2P spec 4.1.14 */
/* Typical max value used here */
#define IEEE80211_P2P_NOA_DESC_MAX	4

struct ieee80211_p2p_noa_desc {
	u8 count;
	__le32 duration;
	__le32 interval;
	__le32 start_time;
} __packed;

struct ieee80211_p2p_noa_attr {
	u8 index;
	u8 oppps_ctwindow;
	struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
} __packed;

#define IEEE80211_P2P_OPPPS_ENABLE_BIT		BIT(7)
#define IEEE80211_P2P_OPPPS_CTWINDOW_MASK	0x7F

/**
 * struct ieee80211_bar - Block Ack Request frame format
 * @frame_control: Frame Control
 * @duration: Duration
 * @ra: RA
 * @ta: TA
 * @control: BAR Control
 * @start_seq_num: Starting Sequence Number (see Figure 9-37)
 *
 * This structure represents the "BlockAckReq frame format"
 * as described in IEEE Std 802.11-2020 section 9.3.1.7.
*/
struct ieee80211_bar {
	__le16 frame_control;
	__le16 duration;
	__u8 ra[ETH_ALEN];
	__u8 ta[ETH_ALEN];
	__le16 control;
	__le16 start_seq_num;
} __packed;

/* 802.11 BAR control masks */
#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL	0x0000
#define IEEE80211_BAR_CTRL_MULTI_TID		0x0002
#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA	0x0004
#define IEEE80211_BAR_CTRL_TID_INFO_MASK	0xf000
#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT	12

#define IEEE80211_HT_MCS_MASK_LEN		10

/**
 * struct ieee80211_mcs_info - Supported MCS Set field
 * @rx_mask: RX mask
 * @rx_highest: highest supported RX rate. If set represents
 *	the highest supported RX data rate in units of 1 Mbps.
 *	If this field is 0 this value should not be used to
 *	consider the highest RX data rate supported.
 * @tx_params: TX parameters
 * @reserved: Reserved bits
 *
 * This structure represents the "Supported MCS Set field" as
 * described in IEEE Std 802.11-2020 section 9.4.2.55.4.
 */
struct ieee80211_mcs_info {
	u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
	__le16 rx_highest;
	u8 tx_params;
	u8 reserved[3];
} __packed;

/* 802.11n HT capability MSC set */
#define IEEE80211_HT_MCS_RX_HIGHEST_MASK	0x3ff
#define IEEE80211_HT_MCS_TX_DEFINED		0x01
#define IEEE80211_HT_MCS_TX_RX_DIFF		0x02
/* value 0 == 1 stream etc */
#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK	0x0C
#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT	2
#define		IEEE80211_HT_MCS_TX_MAX_STREAMS	4
#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION	0x10

#define IEEE80211_HT_MCS_CHAINS(mcs) ((mcs) == 32 ? 1 : (1 + ((mcs) >> 3)))

/*
 * 802.11n D5.0 20.3.5 / 20.6 says:
 * - indices 0 to 7 and 32 are single spatial stream
 * - 8 to 31 are multiple spatial streams using equal modulation
 *   [8..15 for two streams, 16..23 for three and 24..31 for four]
 * - remainder are multiple spatial streams using unequal modulation
 */
#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
	(IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)

/**
 * struct ieee80211_ht_cap - HT capabilities element
 * @cap_info: HT Capability Information
 * @ampdu_params_info: A-MPDU Parameters
 * @mcs: Supported MCS Set
 * @extended_ht_cap_info: HT Extended Capabilities
 * @tx_BF_cap_info: Transmit Beamforming Capabilities
 * @antenna_selection_info: ASEL Capability
 *
 * This structure represents the payload of the "HT Capabilities
 * element" as described in IEEE Std 802.11-2020 section 9.4.2.55.
 */
struct ieee80211_ht_cap {
	__le16 cap_info;
	u8 ampdu_params_info;

	/* 16 bytes MCS information */
	struct ieee80211_mcs_info mcs;

	__le16 extended_ht_cap_info;
	__le32 tx_BF_cap_info;
	u8 antenna_selection_info;
} __packed;

/* 802.11n HT capabilities masks (for cap_info) */
#define IEEE80211_HT_CAP_LDPC_CODING		0x0001
#define IEEE80211_HT_CAP_SUP_WIDTH_20_40	0x0002
#define IEEE80211_HT_CAP_SM_PS			0x000C
#define		IEEE80211_HT_CAP_SM_PS_SHIFT	2
#define IEEE80211_HT_CAP_GRN_FLD		0x0010
#define IEEE80211_HT_CAP_SGI_20			0x0020
#define IEEE80211_HT_CAP_SGI_40			0x0040
#define IEEE80211_HT_CAP_TX_STBC		0x0080
#define IEEE80211_HT_CAP_RX_STBC		0x0300
#define		IEEE80211_HT_CAP_RX_STBC_SHIFT	8
#define IEEE80211_HT_CAP_DELAY_BA		0x0400
#define IEEE80211_HT_CAP_MAX_AMSDU		0x0800
#define IEEE80211_HT_CAP_DSSSCCK40		0x1000
#define IEEE80211_HT_CAP_RESERVED		0x2000
#define IEEE80211_HT_CAP_40MHZ_INTOLERANT	0x4000
#define IEEE80211_HT_CAP_LSIG_TXOP_PROT		0x8000

/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
#define IEEE80211_HT_EXT_CAP_PCO		0x0001
#define IEEE80211_HT_EXT_CAP_PCO_TIME		0x0006
#define		IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT	1
#define IEEE80211_HT_EXT_CAP_MCS_FB		0x0300
#define		IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT	8
#define IEEE80211_HT_EXT_CAP_HTC_SUP		0x0400
#define IEEE80211_HT_EXT_CAP_RD_RESPONDER	0x0800

/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
#define IEEE80211_HT_AMPDU_PARM_FACTOR		0x03
#define IEEE80211_HT_AMPDU_PARM_DENSITY		0x1C
#define		IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT	2

/*
 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
 */
enum ieee80211_max_ampdu_length_exp {
	IEEE80211_HT_MAX_AMPDU_8K = 0,
	IEEE80211_HT_MAX_AMPDU_16K = 1,
	IEEE80211_HT_MAX_AMPDU_32K = 2,
	IEEE80211_HT_MAX_AMPDU_64K = 3
};

/*
 * Maximum length of AMPDU that the STA can receive in VHT.
 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
 */
enum ieee80211_vht_max_ampdu_length_exp {
	IEEE80211_VHT_MAX_AMPDU_8K = 0,
	IEEE80211_VHT_MAX_AMPDU_16K = 1,
	IEEE80211_VHT_MAX_AMPDU_32K = 2,
	IEEE80211_VHT_MAX_AMPDU_64K = 3,
	IEEE80211_VHT_MAX_AMPDU_128K = 4,
	IEEE80211_VHT_MAX_AMPDU_256K = 5,
	IEEE80211_VHT_MAX_AMPDU_512K = 6,
	IEEE80211_VHT_MAX_AMPDU_1024K = 7
};

#define IEEE80211_HT_MAX_AMPDU_FACTOR 13

/* Minimum MPDU start spacing */
enum ieee80211_min_mpdu_spacing {
	IEEE80211_HT_MPDU_DENSITY_NONE = 0,	/* No restriction */
	IEEE80211_HT_MPDU_DENSITY_0_25 = 1,	/* 1/4 usec */
	IEEE80211_HT_MPDU_DENSITY_0_5 = 2,	/* 1/2 usec */
	IEEE80211_HT_MPDU_DENSITY_1 = 3,	/* 1 usec */
	IEEE80211_HT_MPDU_DENSITY_2 = 4,	/* 2 usec */
	IEEE80211_HT_MPDU_DENSITY_4 = 5,	/* 4 usec */
	IEEE80211_HT_MPDU_DENSITY_8 = 6,	/* 8 usec */
	IEEE80211_HT_MPDU_DENSITY_16 = 7	/* 16 usec */
};

/**
 * struct ieee80211_ht_operation - HT operation IE
 * @primary_chan: Primary Channel
 * @ht_param: HT Operation Information parameters
 * @operation_mode: HT Operation Information operation mode
 * @stbc_param: HT Operation Information STBC params
 * @basic_set: Basic HT-MCS Set
 *
 * This structure represents the payload of the "HT Operation
 * element" as described in IEEE Std 802.11-2020 section 9.4.2.56.
 */
struct ieee80211_ht_operation {
	u8 primary_chan;
	u8 ht_param;
	__le16 operation_mode;
	__le16 stbc_param;
	u8 basic_set[16];
} __packed;

/* for ht_param */
#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET		0x03
#define		IEEE80211_HT_PARAM_CHA_SEC_NONE		0x00
#define		IEEE80211_HT_PARAM_CHA_SEC_ABOVE	0x01
#define		IEEE80211_HT_PARAM_CHA_SEC_BELOW	0x03
#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY		0x04
#define IEEE80211_HT_PARAM_RIFS_MODE			0x08

/* for operation_mode */
#define IEEE80211_HT_OP_MODE_PROTECTION			0x0003
#define		IEEE80211_HT_OP_MODE_PROTECTION_NONE		0
#define		IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER	1
#define		IEEE80211_HT_OP_MODE_PROTECTION_20MHZ		2
#define		IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED	3
#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT		0x0004
#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT		0x0010
#define IEEE80211_HT_OP_MODE_CCFS2_SHIFT		5
#define IEEE80211_HT_OP_MODE_CCFS2_MASK			0x1fe0

/* for stbc_param */
#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON		0x0040
#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT		0x0080
#define IEEE80211_HT_STBC_PARAM_STBC_BEACON		0x0100
#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT	0x0200
#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE		0x0400
#define IEEE80211_HT_STBC_PARAM_PCO_PHASE		0x0800


/* block-ack parameters */
#define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800

/*
 * A-MPDU buffer sizes
 * According to HT size varies from 8 to 64 frames
 * HE adds the ability to have up to 256 frames.
 * EHT adds the ability to have up to 1K frames.
 */
#define IEEE80211_MIN_AMPDU_BUF		0x8
#define IEEE80211_MAX_AMPDU_BUF_HT	0x40
#define IEEE80211_MAX_AMPDU_BUF_HE	0x100
#define IEEE80211_MAX_AMPDU_BUF_EHT	0x400


/* Spatial Multiplexing Power Save Modes (for capability) */
#define WLAN_HT_CAP_SM_PS_STATIC	0
#define WLAN_HT_CAP_SM_PS_DYNAMIC	1
#define WLAN_HT_CAP_SM_PS_INVALID	2
#define WLAN_HT_CAP_SM_PS_DISABLED	3

/* for SM power control field lower two bits */
#define WLAN_HT_SMPS_CONTROL_DISABLED	0
#define WLAN_HT_SMPS_CONTROL_STATIC	1
#define WLAN_HT_SMPS_CONTROL_DYNAMIC	3

/**
 * struct ieee80211_vht_mcs_info - VHT MCS information
 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
 * @rx_highest: Indicates highest long GI VHT PPDU data rate
 *	STA can receive. Rate expressed in units of 1 Mbps.
 *	If this field is 0 this value should not be used to
 *	consider the highest RX data rate supported.
 *	The top 3 bits of this field indicate the Maximum NSTS,total
 *	(a beamformee capability.)
 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
 * @tx_highest: Indicates highest long GI VHT PPDU data rate
 *	STA can transmit. Rate expressed in units of 1 Mbps.
 *	If this field is 0 this value should not be used to
 *	consider the highest TX data rate supported.
 *	The top 2 bits of this field are reserved, the
 *	3rd bit from the top indiciates VHT Extended NSS BW
 *	Capability.
 */
struct ieee80211_vht_mcs_info {
	__le16 rx_mcs_map;
	__le16 rx_highest;
	__le16 tx_mcs_map;
	__le16 tx_highest;
} __packed;

/* for rx_highest */
#define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT	13
#define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK	(7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)

/* for tx_highest */
#define IEEE80211_VHT_EXT_NSS_BW_CAPABLE	(1 << 13)

/**
 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
 *	number of streams
 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
 *
 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
 * both split into 8 subfields by number of streams. These values indicate
 * which MCSes are supported for the number of streams the value appears
 * for.
 */
enum ieee80211_vht_mcs_support {
	IEEE80211_VHT_MCS_SUPPORT_0_7	= 0,
	IEEE80211_VHT_MCS_SUPPORT_0_8	= 1,
	IEEE80211_VHT_MCS_SUPPORT_0_9	= 2,
	IEEE80211_VHT_MCS_NOT_SUPPORTED	= 3,
};

/**
 * struct ieee80211_vht_cap - VHT capabilities
 *
 * This structure is the "VHT capabilities element" as
 * described in 802.11ac D3.0 8.4.2.160
 * @vht_cap_info: VHT capability info
 * @supp_mcs: VHT MCS supported rates
 */
struct ieee80211_vht_cap {
	__le32 vht_cap_info;
	struct ieee80211_vht_mcs_info supp_mcs;
} __packed;

/**
 * enum ieee80211_vht_chanwidth - VHT channel width
 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
 *	determine the channel width (20 or 40 MHz)
 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
 */
enum ieee80211_vht_chanwidth {
	IEEE80211_VHT_CHANWIDTH_USE_HT		= 0,
	IEEE80211_VHT_CHANWIDTH_80MHZ		= 1,
	IEEE80211_VHT_CHANWIDTH_160MHZ		= 2,
	IEEE80211_VHT_CHANWIDTH_80P80MHZ	= 3,
};

/**
 * struct ieee80211_vht_operation - VHT operation IE
 *
 * This structure is the "VHT operation element" as
 * described in 802.11ac D3.0 8.4.2.161
 * @chan_width: Operating channel width
 * @center_freq_seg0_idx: center freq segment 0 index
 * @center_freq_seg1_idx: center freq segment 1 index
 * @basic_mcs_set: VHT Basic MCS rate set
 */
struct ieee80211_vht_operation {
	u8 chan_width;
	u8 center_freq_seg0_idx;
	u8 center_freq_seg1_idx;
	__le16 basic_mcs_set;
} __packed;

/**
 * struct ieee80211_he_cap_elem - HE capabilities element
 * @mac_cap_info: HE MAC Capabilities Information
 * @phy_cap_info: HE PHY Capabilities Information
 *
 * This structure represents the fixed fields of the payload of the
 * "HE capabilities element" as described in IEEE Std 802.11ax-2021
 * sections 9.4.2.248.2 and 9.4.2.248.3.
 */
struct ieee80211_he_cap_elem {
	u8 mac_cap_info[6];
	u8 phy_cap_info[11];
} __packed;

#define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN	5

/**
 * enum ieee80211_he_mcs_support - HE MCS support definitions
 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
 *	number of streams
 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
 *
 * These definitions are used in each 2-bit subfield of the rx_mcs_*
 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
 * both split into 8 subfields by number of streams. These values indicate
 * which MCSes are supported for the number of streams the value appears
 * for.
 */
enum ieee80211_he_mcs_support {
	IEEE80211_HE_MCS_SUPPORT_0_7	= 0,
	IEEE80211_HE_MCS_SUPPORT_0_9	= 1,
	IEEE80211_HE_MCS_SUPPORT_0_11	= 2,
	IEEE80211_HE_MCS_NOT_SUPPORTED	= 3,
};

/**
 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
 *
 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
 * described in P802.11ax_D2.0 section 9.4.2.237.4
 *
 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
 *     widths less than 80MHz.
 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
 *     widths less than 80MHz.
 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
 *     width 160MHz.
 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
 *     width 160MHz.
 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
 *     channel width 80p80MHz.
 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
 *     channel width 80p80MHz.
 */
struct ieee80211_he_mcs_nss_supp {
	__le16 rx_mcs_80;
	__le16 tx_mcs_80;
	__le16 rx_mcs_160;
	__le16 tx_mcs_160;
	__le16 rx_mcs_80p80;
	__le16 tx_mcs_80p80;
} __packed;

/**
 * struct ieee80211_he_operation - HE Operation element
 * @he_oper_params: HE Operation Parameters + BSS Color Information
 * @he_mcs_nss_set: Basic HE-MCS And NSS Set
 * @optional: Optional fields VHT Operation Information, Max Co-Hosted
 *            BSSID Indicator, and 6 GHz Operation Information
 *
 * This structure represents the payload of the "HE Operation
 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.249.
 */
struct ieee80211_he_operation {
	__le32 he_oper_params;
	__le16 he_mcs_nss_set;
	u8 optional[];
} __packed;

/**
 * struct ieee80211_he_spr - Spatial Reuse Parameter Set element
 * @he_sr_control: SR Control
 * @optional: Optional fields Non-SRG OBSS PD Max Offset, SRG OBSS PD
 *            Min Offset, SRG OBSS PD Max Offset, SRG BSS Color
 *            Bitmap, and SRG Partial BSSID Bitmap
 *
 * This structure represents the payload of the "Spatial Reuse
 * Parameter Set element" as described in IEEE Std 802.11ax-2021
 * section 9.4.2.252.
 */
struct ieee80211_he_spr {
	u8 he_sr_control;
	u8 optional[];
} __packed;

/**
 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
 * @aifsn: ACI/AIFSN
 * @ecw_min_max: ECWmin/ECWmax
 * @mu_edca_timer: MU EDCA Timer
 *
 * This structure represents the "MU AC Parameter Record" as described
 * in IEEE Std 802.11ax-2021 section 9.4.2.251, Figure 9-788p.
 */
struct ieee80211_he_mu_edca_param_ac_rec {
	u8 aifsn;
	u8 ecw_min_max;
	u8 mu_edca_timer;
} __packed;

/**
 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
 * @mu_qos_info: QoS Info
 * @ac_be: MU AC_BE Parameter Record
 * @ac_bk: MU AC_BK Parameter Record
 * @ac_vi: MU AC_VI Parameter Record
 * @ac_vo: MU AC_VO Parameter Record
 *
 * This structure represents the payload of the "MU EDCA Parameter Set
 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.251.
 */
struct ieee80211_mu_edca_param_set {
	u8 mu_qos_info;
	struct ieee80211_he_mu_edca_param_ac_rec ac_be;
	struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
	struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
	struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
} __packed;

#define IEEE80211_EHT_MCS_NSS_RX 0x0f
#define IEEE80211_EHT_MCS_NSS_TX 0xf0

/**
 * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
 * supported NSS for per MCS.
 *
 * For each field below, bits 0 - 3 indicate the maximal number of spatial
 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
 * for Tx.
 *
 * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
 *     supported for reception and the maximum number of spatial streams
 *     supported for transmission for MCS 0 - 7.
 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
 *     supported for reception and the maximum number of spatial streams
 *     supported for transmission for MCS 8 - 9.
 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
 *     supported for reception and the maximum number of spatial streams
 *     supported for transmission for MCS 10 - 11.
 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
 *     supported for reception and the maximum number of spatial streams
 *     supported for transmission for MCS 12 - 13.
 * @rx_tx_max_nss: array of the previous fields for easier loop access
 */
struct ieee80211_eht_mcs_nss_supp_20mhz_only {
	union {
		struct {
			u8 rx_tx_mcs7_max_nss;
			u8 rx_tx_mcs9_max_nss;
			u8 rx_tx_mcs11_max_nss;
			u8 rx_tx_mcs13_max_nss;
		};
		u8 rx_tx_max_nss[4];
	};
};

/**
 * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
 * 20MHz only stations).
 *
 * For each field below, bits 0 - 3 indicate the maximal number of spatial
 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
 * for Tx.
 *
 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
 *     supported for reception and the maximum number of spatial streams
 *     supported for transmission for MCS 0 - 9.
 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
 *     supported for reception and the maximum number of spatial streams
 *     supported for transmission for MCS 10 - 11.
 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
 *     supported for reception and the maximum number of spatial streams
 *     supported for transmission for MCS 12 - 13.
 * @rx_tx_max_nss: array of the previous fields for easier loop access
 */
struct ieee80211_eht_mcs_nss_supp_bw {
	union {
		struct {
			u8 rx_tx_mcs9_max_nss;
			u8 rx_tx_mcs11_max_nss;
			u8 rx_tx_mcs13_max_nss;
		};
		u8 rx_tx_max_nss[3];
	};
};

/**
 * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
 *
 * This structure is the "EHT Capabilities element" fixed fields as
 * described in P802.11be_D2.0 section 9.4.2.313.
 *
 * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
 * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
 */
struct ieee80211_eht_cap_elem_fixed {
	u8 mac_cap_info[2];
	u8 phy_cap_info[9];
} __packed;

/**
 * struct ieee80211_eht_cap_elem - EHT capabilities element
 * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
 * @optional: optional parts
 */
struct ieee80211_eht_cap_elem {
	struct ieee80211_eht_cap_elem_fixed fixed;

	/*
	 * Followed by:
	 * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
	 * EHT PPE Thresholds field: variable length.
	 */
	u8 optional[];
} __packed;

#define IEEE80211_EHT_OPER_INFO_PRESENT	                        0x01
#define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT	0x02
#define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION	                0x04
#define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT         0x08
#define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK      0x30

/**
 * struct ieee80211_eht_operation - eht operation element
 *
 * This structure is the "EHT Operation Element" fields as
 * described in P802.11be_D2.0 section 9.4.2.311
 *
 * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
 * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
 *     EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
 *     receive.
 * @optional: optional parts
 */
struct ieee80211_eht_operation {
	u8 params;
	struct ieee80211_eht_mcs_nss_supp_20mhz_only basic_mcs_nss;
	u8 optional[];
} __packed;

/**
 * struct ieee80211_eht_operation_info - eht operation information
 *
 * @control: EHT operation information control.
 * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
 *     EHT BSS.
 * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
 * @optional: optional parts
 */
struct ieee80211_eht_operation_info {
	u8 control;
	u8 ccfs0;
	u8 ccfs1;
	u8 optional[];
} __packed;

/* 802.11ac VHT Capabilities */
#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895			0x00000000
#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991			0x00000001
#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454			0x00000002
#define IEEE80211_VHT_CAP_MAX_MPDU_MASK				0x00000003
#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ		0x00000004
#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ	0x00000008
#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK			0x0000000C
#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT			2
#define IEEE80211_VHT_CAP_RXLDPC				0x00000010
#define IEEE80211_VHT_CAP_SHORT_GI_80				0x00000020
#define IEEE80211_VHT_CAP_SHORT_GI_160				0x00000040
#define IEEE80211_VHT_CAP_TXSTBC				0x00000080
#define IEEE80211_VHT_CAP_RXSTBC_1				0x00000100
#define IEEE80211_VHT_CAP_RXSTBC_2				0x00000200
#define IEEE80211_VHT_CAP_RXSTBC_3				0x00000300
#define IEEE80211_VHT_CAP_RXSTBC_4				0x00000400
#define IEEE80211_VHT_CAP_RXSTBC_MASK				0x00000700
#define IEEE80211_VHT_CAP_RXSTBC_SHIFT				8
#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE			0x00000800
#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE			0x00001000
#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK			\
		(7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT		16
#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK		\
		(7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
#define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE			0x00080000
#define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE			0x00100000
#define IEEE80211_VHT_CAP_VHT_TXOP_PS				0x00200000
#define IEEE80211_VHT_CAP_HTC_VHT				0x00400000
#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT	23
#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK	\
		(7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB	0x08000000
#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB	0x0c000000
#define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN			0x10000000
#define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN			0x20000000
#define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT			30
#define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK			0xc0000000

/**
 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
 * @cap: VHT capabilities of the peer
 * @bw: bandwidth to use
 * @mcs: MCS index to use
 * @ext_nss_bw_capable: indicates whether or not the local transmitter
 *	(rate scaling algorithm) can deal with the new logic
 *	(dot11VHTExtendedNSSBWCapable)
 * @max_vht_nss: current maximum NSS as advertised by the STA in
 *	operating mode notification, can be 0 in which case the
 *	capability data will be used to derive this (from MCS support)
 *
 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
 * vary for a given BW/MCS. This function parses the data.
 *
 * Note: This function is exported by cfg80211.
 */
int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
			      enum ieee80211_vht_chanwidth bw,
			      int mcs, bool ext_nss_bw_capable,
			      unsigned int max_vht_nss);

/**
 * enum ieee80211_ap_reg_power - regulatory power for a Access Point
 *
 * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
 * @IEEE80211_REG_LPI_AP: Indoor Access Point
 * @IEEE80211_REG_SP_AP: Standard power Access Point
 * @IEEE80211_REG_VLP_AP: Very low power Access Point
 * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
 * @IEEE80211_REG_AP_POWER_MAX: maximum value
 */
enum ieee80211_ap_reg_power {
	IEEE80211_REG_UNSET_AP,
	IEEE80211_REG_LPI_AP,
	IEEE80211_REG_SP_AP,
	IEEE80211_REG_VLP_AP,
	IEEE80211_REG_AP_POWER_AFTER_LAST,
	IEEE80211_REG_AP_POWER_MAX =
		IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
};

/**
 * enum ieee80211_client_reg_power - regulatory power for a client
 *
 * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
 * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
 * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
 * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
 * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
 */
enum ieee80211_client_reg_power {
	IEEE80211_REG_UNSET_CLIENT,
	IEEE80211_REG_DEFAULT_CLIENT,
	IEEE80211_REG_SUBORDINATE_CLIENT,
	IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
	IEEE80211_REG_CLIENT_POWER_MAX =
		IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
};

/* 802.11ax HE MAC capabilities */
#define IEEE80211_HE_MAC_CAP0_HTC_HE				0x01
#define IEEE80211_HE_MAC_CAP0_TWT_REQ				0x02
#define IEEE80211_HE_MAC_CAP0_TWT_RES				0x04
#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP		0x00
#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1		0x08
#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2		0x10
#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3		0x18
#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK			0x18
#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1		0x00
#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2		0x20
#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4		0x40
#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8		0x60
#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16		0x80
#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32		0xa0
#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64		0xc0
#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED	0xe0
#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK		0xe0

#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED		0x00
#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128			0x01
#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256			0x02
#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512			0x03
#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK		0x03
#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US		0x00
#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US		0x04
#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US		0x08
#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK		0x0c
#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1		0x00
#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2		0x10
#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3		0x20
#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4		0x30
#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5		0x40
#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6		0x50
#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7		0x60
#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8		0x70
#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK		0x70

/* Link adaptation is split between byte HE_MAC_CAP1 and
 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
 * in which case the following values apply:
 * 0 = No feedback.
 * 1 = reserved.
 * 2 = Unsolicited feedback.
 * 3 = both
 */
#define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION			0x80

#define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION			0x01
#define IEEE80211_HE_MAC_CAP2_ALL_ACK				0x02
#define IEEE80211_HE_MAC_CAP2_TRS				0x04
#define IEEE80211_HE_MAC_CAP2_BSR				0x08
#define IEEE80211_HE_MAC_CAP2_BCAST_TWT				0x10
#define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP			0x20
#define IEEE80211_HE_MAC_CAP2_MU_CASCADING			0x40
#define IEEE80211_HE_MAC_CAP2_ACK_EN				0x80

#define IEEE80211_HE_MAC_CAP3_OMI_CONTROL			0x02
#define IEEE80211_HE_MAC_CAP3_OFDMA_RA				0x04

/* The maximum length of an A-MDPU is defined by the combination of the Maximum
 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
 * same field in the HE capabilities.
 */
#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0		0x00
#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1		0x08
#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2		0x10
#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3		0x18
#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK		0x18
#define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG			0x20
#define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED			0x40
#define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS		0x80

#define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG		0x01
#define IEEE80211_HE_MAC_CAP4_QTP				0x02
#define IEEE80211_HE_MAC_CAP4_BQR				0x04
#define IEEE80211_HE_MAC_CAP4_PSR_RESP				0x08
#define IEEE80211_HE_MAC_CAP4_NDP_FB_REP			0x10
#define IEEE80211_HE_MAC_CAP4_OPS				0x20
#define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU			0x40
/* Multi TID agg TX is split between byte #4 and #5
 * The value is a combination of B39,B40,B41
 */
#define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39		0x80

#define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40		0x01
#define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41		0x02
#define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION	0x04
#define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU			0x08
#define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX		0x10
#define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS			0x20
#define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING		0x40
#define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX		0x80

#define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR	20
#define IEEE80211_HE_HT_MAX_AMPDU_FACTOR	16
#define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR	13

/* 802.11ax HE PHY capabilities */
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G		0x02
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G	0x04
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G		0x08
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G	0x10
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL		0x1e

#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G	0x20
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G	0x40
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK			0xfe

#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ	0x01
#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ	0x02
#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ	0x04
#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ	0x08
#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK			0x0f
#define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A				0x10
#define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD			0x20
#define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US		0x40
/* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
#define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS			0x80

#define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS			0x01
#define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US			0x02
#define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ			0x04
#define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ			0x08
#define IEEE80211_HE_PHY_CAP2_DOPPLER_TX				0x10
#define IEEE80211_HE_PHY_CAP2_DOPPLER_RX				0x20

/* Note that the meaning of UL MU below is different between an AP and a non-AP
 * sta, where in the AP case it indicates support for Rx and in the non-AP sta
 * case it indicates support for Tx.
 */
#define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO			0x40
#define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO			0x80

#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM			0x00
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK			0x01
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK			0x02
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM			0x03
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK			0x03
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1				0x00
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2				0x04
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM			0x00
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK			0x08
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK			0x10
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM			0x18
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK			0x18
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1				0x00
#define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2				0x20
#define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU		0x40
#define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER				0x80

#define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE				0x01
#define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER				0x02

/* Minimal allowed value of Max STS under 80MHz is 3 */
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4		0x0c
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5		0x10
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6		0x14
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7		0x18
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8		0x1c
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK	0x1c

/* Minimal allowed value of Max STS above 80MHz is 3 */
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4		0x60
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5		0x80
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6		0xa0
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7		0xc0
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8		0xe0
#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK	0xe0

#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1	0x00
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2	0x01
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3	0x02
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4	0x03
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5	0x04
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6	0x05
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7	0x06
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8	0x07
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK	0x07

#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1	0x00
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2	0x08
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3	0x10
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4	0x18
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5	0x20
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6	0x28
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7	0x30
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8	0x38
#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK	0x38

#define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK				0x40
#define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK				0x80

#define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU			0x01
#define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU			0x02
#define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB			0x04
#define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB		0x08
#define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB				0x10
#define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE			0x20
#define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO		0x40
#define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT			0x80

#define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR				0x01
#define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP			0x02
#define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI		0x04
#define IEEE80211_HE_PHY_CAP7_MAX_NC_1					0x08
#define IEEE80211_HE_PHY_CAP7_MAX_NC_2					0x10
#define IEEE80211_HE_PHY_CAP7_MAX_NC_3					0x18
#define IEEE80211_HE_PHY_CAP7_MAX_NC_4					0x20
#define IEEE80211_HE_PHY_CAP7_MAX_NC_5					0x28
#define IEEE80211_HE_PHY_CAP7_MAX_NC_6					0x30
#define IEEE80211_HE_PHY_CAP7_MAX_NC_7					0x38
#define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK				0x38
#define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ			0x40
#define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ			0x80

#define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI		0x01
#define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G		0x02
#define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU			0x04
#define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU			0x08
#define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI		0x10
#define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF		0x20
#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242				0x00
#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484				0x40
#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996				0x80
#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996				0xc0
#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK				0xc0

#define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM		0x01
#define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK		0x02
#define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU		0x04
#define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU		0x08
#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB	0x10
#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB	0x20
#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US			0x0
#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US			0x1
#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US			0x2
#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED		0x3
#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS			6
#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK			0xc0

#define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF			0x01

/* 802.11ax HE TX/RX MCS NSS Support  */
#define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS			(3)
#define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS			(6)
#define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS			(11)
#define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK			0x07c0
#define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK			0xf800

/* TX/RX HE MCS Support field Highest MCS subfield encoding */
enum ieee80211_he_highest_mcs_supported_subfield_enc {
	HIGHEST_MCS_SUPPORTED_MCS7 = 0,
	HIGHEST_MCS_SUPPORTED_MCS8,
	HIGHEST_MCS_SUPPORTED_MCS9,
	HIGHEST_MCS_SUPPORTED_MCS10,
	HIGHEST_MCS_SUPPORTED_MCS11,
};

/* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
static inline u8
ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
{
	u8 count = 4;

	if (he_cap->phy_cap_info[0] &
	    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
		count += 4;

	if (he_cap->phy_cap_info[0] &
	    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
		count += 4;

	return count;
}

/* 802.11ax HE PPE Thresholds */
#define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS			(1)
#define IEEE80211_PPE_THRES_NSS_POS				(0)
#define IEEE80211_PPE_THRES_NSS_MASK				(7)
#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU	\
	(BIT(5) | BIT(6))
#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK		0x78
#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS		(3)
#define IEEE80211_PPE_THRES_INFO_PPET_SIZE			(3)
#define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE			(7)

/*
 * Calculate 802.11ax HE capabilities IE PPE field size
 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
 */
static inline u8
ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
{
	u8 n;

	if ((phy_cap_info[6] &
	     IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
		return 0;

	n = hweight8(ppe_thres_hdr &
		     IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
	n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
		   IEEE80211_PPE_THRES_NSS_POS));

	/*
	 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
	 * total size.
	 */
	n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
	n = DIV_ROUND_UP(n, 8);

	return n;
}

static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
{
	const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
	u8 needed = sizeof(*he_cap_ie_elem);

	if (len < needed)
		return false;

	needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
	if (len < needed)
		return false;

	if (he_cap_ie_elem->phy_cap_info[6] &
			IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
		if (len < needed + 1)
			return false;
		needed += ieee80211_he_ppe_size(data[needed],
						he_cap_ie_elem->phy_cap_info);
	}

	return len >= needed;
}

/* HE Operation defines */
#define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK		0x00000007
#define IEEE80211_HE_OPERATION_TWT_REQUIRED			0x00000008
#define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK		0x00003ff0
#define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET		4
#define IEEE80211_HE_OPERATION_VHT_OPER_INFO			0x00004000
#define IEEE80211_HE_OPERATION_CO_HOSTED_BSS			0x00008000
#define IEEE80211_HE_OPERATION_ER_SU_DISABLE			0x00010000
#define IEEE80211_HE_OPERATION_6GHZ_OP_INFO			0x00020000
#define IEEE80211_HE_OPERATION_BSS_COLOR_MASK			0x3f000000
#define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET			24
#define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR		0x40000000
#define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED		0x80000000

#define IEEE80211_6GHZ_CTRL_REG_LPI_AP	0
#define IEEE80211_6GHZ_CTRL_REG_SP_AP	1
#define IEEE80211_6GHZ_CTRL_REG_VLP_AP	2

/**
 * struct ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
 * @primary: primary channel
 * @control: control flags
 * @ccfs0: channel center frequency segment 0
 * @ccfs1: channel center frequency segment 1
 * @minrate: minimum rate (in 1 Mbps units)
 */
struct ieee80211_he_6ghz_oper {
	u8 primary;
#define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH	0x3
#define		IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ	0
#define		IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ	1
#define		IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ	2
#define		IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ	3
#define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON	0x4
#define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO	0x38
	u8 control;
	u8 ccfs0;
	u8 ccfs1;
	u8 minrate;
} __packed;

/*
 * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
 * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
 * subfield encoding", and two category for each type in "Table E-12-Regulatory
 * Info subfield encoding in the United States".
 * So it it totally max 8 Transmit Power Envelope element.
 */
#define IEEE80211_TPE_MAX_IE_COUNT	8
/*
 * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
 * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
 */
#define IEEE80211_MAX_NUM_PWR_LEVEL	8

#define IEEE80211_TPE_MAX_POWER_COUNT	8

/* transmit power interpretation type of transmit power envelope element */
enum ieee80211_tx_power_intrpt_type {
	IEEE80211_TPE_LOCAL_EIRP,
	IEEE80211_TPE_LOCAL_EIRP_PSD,
	IEEE80211_TPE_REG_CLIENT_EIRP,
	IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
};

/**
 * struct ieee80211_tx_pwr_env - Transmit Power Envelope
 * @tx_power_info: Transmit Power Information field
 * @tx_power: Maximum Transmit Power field
 *
 * This structure represents the payload of the "Transmit Power
 * Envelope element" as described in IEEE Std 802.11ax-2021 section
 * 9.4.2.161
 */
struct ieee80211_tx_pwr_env {
	u8 tx_power_info;
	s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
} __packed;

#define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
#define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
#define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0

/*
 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
 * @he_oper_ie: byte data of the He Operations IE, stating from the byte
 *	after the ext ID byte. It is assumed that he_oper_ie has at least
 *	sizeof(struct ieee80211_he_operation) bytes, the caller must have
 *	validated this.
 * @return the actual size of the IE data (not including header), or 0 on error
 */
static inline u8
ieee80211_he_oper_size(const u8 *he_oper_ie)
{
	const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
	u8 oper_len = sizeof(struct ieee80211_he_operation);
	u32 he_oper_params;

	/* Make sure the input is not NULL */
	if (!he_oper_ie)
		return 0;

	/* Calc required length */
	he_oper_params = le32_to_cpu(he_oper->he_oper_params);
	if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
		oper_len += 3;
	if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
		oper_len++;
	if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
		oper_len += sizeof(struct ieee80211_he_6ghz_oper);

	/* Add the first byte (extension ID) to the total length */
	oper_len++;

	return oper_len;
}

/**
 * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
 * @he_oper: HE operation element (must be pre-validated for size)
 *	but may be %NULL
 *
 * Return: a pointer to the 6 GHz operation field, or %NULL
 */
static inline const struct ieee80211_he_6ghz_oper *
ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
{
	const u8 *ret;
	u32 he_oper_params;

	if (!he_oper)
		return NULL;

	ret = (const void *)&he_oper->optional;

	he_oper_params = le32_to_cpu(he_oper->he_oper_params);

	if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
		return NULL;
	if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
		ret += 3;
	if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
		ret++;

	return (const void *)ret;
}

/* HE Spatial Reuse defines */
#define IEEE80211_HE_SPR_PSR_DISALLOWED				BIT(0)
#define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED		BIT(1)
#define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT			BIT(2)
#define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT		BIT(3)
#define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED		BIT(4)

/*
 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
 *	after the ext ID byte. It is assumed that he_spr_ie has at least
 *	sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
 *	this
 * @return the actual size of the IE data (not including header), or 0 on error
 */
static inline u8
ieee80211_he_spr_size(const u8 *he_spr_ie)
{
	const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
	u8 spr_len = sizeof(struct ieee80211_he_spr);
	u8 he_spr_params;

	/* Make sure the input is not NULL */
	if (!he_spr_ie)
		return 0;

	/* Calc required length */
	he_spr_params = he_spr->he_sr_control;
	if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
		spr_len++;
	if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
		spr_len += 18;

	/* Add the first byte (extension ID) to the total length */
	spr_len++;

	return spr_len;
}

/* S1G Capabilities Information field */
#define IEEE80211_S1G_CAPABILITY_LEN	15

#define S1G_CAP0_S1G_LONG	BIT(0)
#define S1G_CAP0_SGI_1MHZ	BIT(1)
#define S1G_CAP0_SGI_2MHZ	BIT(2)
#define S1G_CAP0_SGI_4MHZ	BIT(3)
#define S1G_CAP0_SGI_8MHZ	BIT(4)
#define S1G_CAP0_SGI_16MHZ	BIT(5)
#define S1G_CAP0_SUPP_CH_WIDTH	GENMASK(7, 6)

#define S1G_SUPP_CH_WIDTH_2	0
#define S1G_SUPP_CH_WIDTH_4	1
#define S1G_SUPP_CH_WIDTH_8	2
#define S1G_SUPP_CH_WIDTH_16	3
#define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
						    cap[0])) << 1)

#define S1G_CAP1_RX_LDPC	BIT(0)
#define S1G_CAP1_TX_STBC	BIT(1)
#define S1G_CAP1_RX_STBC	BIT(2)
#define S1G_CAP1_SU_BFER	BIT(3)
#define S1G_CAP1_SU_BFEE	BIT(4)
#define S1G_CAP1_BFEE_STS	GENMASK(7, 5)

#define S1G_CAP2_SOUNDING_DIMENSIONS	GENMASK(2, 0)
#define S1G_CAP2_MU_BFER		BIT(3)
#define S1G_CAP2_MU_BFEE		BIT(4)
#define S1G_CAP2_PLUS_HTC_VHT		BIT(5)
#define S1G_CAP2_TRAVELING_PILOT	GENMASK(7, 6)

#define S1G_CAP3_RD_RESPONDER		BIT(0)
#define S1G_CAP3_HT_DELAYED_BA		BIT(1)
#define S1G_CAP3_MAX_MPDU_LEN		BIT(2)
#define S1G_CAP3_MAX_AMPDU_LEN_EXP	GENMASK(4, 3)
#define S1G_CAP3_MIN_MPDU_START		GENMASK(7, 5)

#define S1G_CAP4_UPLINK_SYNC	BIT(0)
#define S1G_CAP4_DYNAMIC_AID	BIT(1)
#define S1G_CAP4_BAT		BIT(2)
#define S1G_CAP4_TIME_ADE	BIT(3)
#define S1G_CAP4_NON_TIM	BIT(4)
#define S1G_CAP4_GROUP_AID	BIT(5)
#define S1G_CAP4_STA_TYPE	GENMASK(7, 6)

#define S1G_CAP5_CENT_AUTH_CONTROL	BIT(0)
#define S1G_CAP5_DIST_AUTH_CONTROL	BIT(1)
#define S1G_CAP5_AMSDU			BIT(2)
#define S1G_CAP5_AMPDU			BIT(3)
#define S1G_CAP5_ASYMMETRIC_BA		BIT(4)
#define S1G_CAP5_FLOW_CONTROL		BIT(5)
#define S1G_CAP5_SECTORIZED_BEAM	GENMASK(7, 6)

#define S1G_CAP6_OBSS_MITIGATION	BIT(0)
#define S1G_CAP6_FRAGMENT_BA		BIT(1)
#define S1G_CAP6_NDP_PS_POLL		BIT(2)
#define S1G_CAP6_RAW_OPERATION		BIT(3)
#define S1G_CAP6_PAGE_SLICING		BIT(4)
#define S1G_CAP6_TXOP_SHARING_IMP_ACK	BIT(5)
#define S1G_CAP6_VHT_LINK_ADAPT		GENMASK(7, 6)

#define S1G_CAP7_TACK_AS_PS_POLL		BIT(0)
#define S1G_CAP7_DUP_1MHZ			BIT(1)
#define S1G_CAP7_MCS_NEGOTIATION		BIT(2)
#define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE	BIT(3)
#define S1G_CAP7_NDP_BFING_REPORT_POLL		BIT(4)
#define S1G_CAP7_UNSOLICITED_DYN_AID		BIT(5)
#define S1G_CAP7_SECTOR_TRAINING_OPERATION	BIT(6)
#define S1G_CAP7_TEMP_PS_MODE_SWITCH		BIT(7)

#define S1G_CAP8_TWT_GROUPING	BIT(0)
#define S1G_CAP8_BDT		BIT(1)
#define S1G_CAP8_COLOR		GENMASK(4, 2)
#define S1G_CAP8_TWT_REQUEST	BIT(5)
#define S1G_CAP8_TWT_RESPOND	BIT(6)
#define S1G_CAP8_PV1_FRAME	BIT(7)

#define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)

#define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ	BIT(0)
#define S1G_OPER_CH_WIDTH_OPER		GENMASK(4, 1)

/* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
#define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS			0x01
#define IEEE80211_EHT_MAC_CAP0_OM_CONTROL			0x02
#define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1		0x04
#define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2		0x08
#define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT			0x10
#define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC			0x20
#define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK		0xc0
#define	IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895	        0
#define	IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991	        1
#define	IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454	        2

#define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK		0x01

/* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
#define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ			0x02
#define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ		0x04
#define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI		0x08
#define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO		0x10
#define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER			0x20
#define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE			0x40

/* EHT beamformee number of spatial streams <= 80MHz is split */
#define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK		0x80
#define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK		0x03

#define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK	0x1c
#define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK	0xe0

#define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK		0x07
#define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK		0x38

/* EHT number of sounding dimensions for 320MHz is split */
#define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK		0xc0
#define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK		0x01
#define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK		0x02
#define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK		0x04
#define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK		0x08
#define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK		0x10
#define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK			0x20
#define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK		0x40
#define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK			0x80

#define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO		0x01
#define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP			0x02
#define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP		0x04
#define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI	0x08
#define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK			0xf0

#define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK		0x01
#define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP		0x02
#define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP		0x04
#define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT		0x08
#define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK	0x30
#define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US	0
#define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US	1
#define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US	2
#define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US	3

/* Maximum number of supported EHT LTF is split */
#define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK	0xc0
#define IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF		0x40
#define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK	0x07

#define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK			0x78
#define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP		0x80

#define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW	0x01
#define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ	0x02
#define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ	0x04
#define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ	0x08
#define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ		0x10
#define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ		0x20
#define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ		0x40
#define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT	0x80

#define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA	0x01
#define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA	0x02

/*
 * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
 */
#define IEEE80211_EHT_OPER_CHAN_WIDTH		0x7
#define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ	0
#define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ	1
#define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ	2
#define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ	3
#define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ	4

/* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
static inline u8
ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
			   const struct ieee80211_eht_cap_elem_fixed *eht_cap,
			   bool from_ap)
{
	u8 count = 0;

	/* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
	if (he_cap->phy_cap_info[0] &
	    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
		return 3;

	/* on 2.4 GHz, these three bits are reserved, so should be 0 */
	if (he_cap->phy_cap_info[0] &
	    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
		count += 3;

	if (he_cap->phy_cap_info[0] &
	    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
		count += 3;

	if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
		count += 3;

	if (count)
		return count;

	return from_ap ? 3 : 4;
}

/* 802.11be EHT PPE Thresholds */
#define IEEE80211_EHT_PPE_THRES_NSS_POS			0
#define IEEE80211_EHT_PPE_THRES_NSS_MASK		0xf
#define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK	0x1f0
#define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE		3
#define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE	9

/*
 * Calculate 802.11be EHT capabilities IE EHT field size
 */
static inline u8
ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
{
	u32 n;

	if (!(phy_cap_info[5] &
	      IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
		return 0;

	n = hweight16(ppe_thres_hdr &
		      IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
	n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);

	/*
	 * Each pair is 6 bits, and we need to add the 9 "header" bits to the
	 * total size.
	 */
	n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
	    IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
	return DIV_ROUND_UP(n, 8);
}

static inline bool
ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
			   bool from_ap)
{
	const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
	u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);

	if (len < needed || !he_capa)
		return false;

	needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
					     (const void *)data,
					     from_ap);
	if (len < needed)
		return false;

	if (elem->phy_cap_info[5] &
			IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
		u16 ppe_thres_hdr;

		if (len < needed + sizeof(ppe_thres_hdr))
			return false;

		ppe_thres_hdr = get_unaligned_le16(data + needed);
		needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
						 elem->phy_cap_info);
	}

	return len >= needed;
}

static inline bool
ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
{
	const struct ieee80211_eht_operation *elem = (const void *)data;
	u8 needed = sizeof(*elem);

	if (len < needed)
		return false;

	if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
		needed += 3;

		if (elem->params &
		    IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
			needed += 2;
	}

	return len >= needed;
}

#define IEEE80211_BW_IND_DIS_SUBCH_PRESENT	BIT(1)

struct ieee80211_bandwidth_indication {
	u8 params;
	struct ieee80211_eht_operation_info info;
} __packed;

static inline bool
ieee80211_bandwidth_indication_size_ok(const u8 *data, u8 len)
{
	const struct ieee80211_bandwidth_indication *bwi = (const void *)data;

	if (len < sizeof(*bwi))
		return false;

	if (bwi->params & IEEE80211_BW_IND_DIS_SUBCH_PRESENT &&
	    len < sizeof(*bwi) + 2)
		return false;

	return true;
}

#define LISTEN_INT_USF	GENMASK(15, 14)
#define LISTEN_INT_UI	GENMASK(13, 0)

#define IEEE80211_MAX_USF	FIELD_MAX(LISTEN_INT_USF)
#define IEEE80211_MAX_UI	FIELD_MAX(LISTEN_INT_UI)

/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
#define WLAN_AUTH_FT 2
#define WLAN_AUTH_SAE 3
#define WLAN_AUTH_FILS_SK 4
#define WLAN_AUTH_FILS_SK_PFS 5
#define WLAN_AUTH_FILS_PK 6
#define WLAN_AUTH_LEAP 128

#define WLAN_AUTH_CHALLENGE_LEN 128

#define WLAN_CAPABILITY_ESS		(1<<0)
#define WLAN_CAPABILITY_IBSS		(1<<1)

/*
 * A mesh STA sets the ESS and IBSS capability bits to zero.
 * however, this holds true for p2p probe responses (in the p2p_find
 * phase) as well.
 */
#define WLAN_CAPABILITY_IS_STA_BSS(cap)	\
	(!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))

#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_APSD		(1<<11)
#define WLAN_CAPABILITY_RADIO_MEASURE	(1<<12)
#define WLAN_CAPABILITY_DSSS_OFDM	(1<<13)
#define WLAN_CAPABILITY_DEL_BACK	(1<<14)
#define WLAN_CAPABILITY_IMM_BACK	(1<<15)

/* DMG (60gHz) 802.11ad */
/* type - bits 0..1 */
#define WLAN_CAPABILITY_DMG_TYPE_MASK		(3<<0)
#define WLAN_CAPABILITY_DMG_TYPE_IBSS		(1<<0) /* Tx by: STA */
#define WLAN_CAPABILITY_DMG_TYPE_PBSS		(2<<0) /* Tx by: PCP */
#define WLAN_CAPABILITY_DMG_TYPE_AP		(3<<0) /* Tx by: AP */

#define WLAN_CAPABILITY_DMG_CBAP_ONLY		(1<<2)
#define WLAN_CAPABILITY_DMG_CBAP_SOURCE		(1<<3)
#define WLAN_CAPABILITY_DMG_PRIVACY		(1<<4)
#define WLAN_CAPABILITY_DMG_ECPAC		(1<<5)

#define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT	(1<<8)
#define WLAN_CAPABILITY_DMG_RADIO_MEASURE	(1<<12)

/* measurement */
#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE	(1<<0)
#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE	(1<<1)
#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED	(1<<2)

#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC	0
#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA	1
#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI	2
#define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI	8
#define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC	11

/* 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,
};

/* Band ID, 802.11ad #8.4.1.45 */
enum {
	IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
	IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
	IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
	IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
	IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
	IEEE80211_BANDID_60G   = 5, /* 60 GHz */
};

/* 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,
	/* 802.11w */
	WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
	WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
	/* 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,
	/* 802.11e */
	WLAN_STATUS_UNSPECIFIED_QOS = 32,
	WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
	WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
	WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
	WLAN_STATUS_REQUEST_DECLINED = 37,
	WLAN_STATUS_INVALID_QOS_PARAM = 38,
	WLAN_STATUS_CHANGE_TSPEC = 39,
	WLAN_STATUS_WAIT_TS_DELAY = 47,
	WLAN_STATUS_NO_DIRECT_LINK = 48,
	WLAN_STATUS_STA_NOT_PRESENT = 49,
	WLAN_STATUS_STA_NOT_QSTA = 50,
	/* 802.11s */
	WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
	WLAN_STATUS_FCG_NOT_SUPP = 78,
	WLAN_STATUS_STA_NO_TBTT = 78,
	/* 802.11ad */
	WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
	WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
	WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
	WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
	WLAN_STATUS_PERFORMING_FST_NOW = 87,
	WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
	WLAN_STATUS_REJECT_U_PID_SETTING = 89,
	WLAN_STATUS_REJECT_DSE_BAND = 96,
	WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
	WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
	/* 802.11ai */
	WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
	WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
	WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
	WLAN_STATUS_SAE_PK = 127,
};


/* 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,
	/* TDLS (802.11z) */
	WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
	WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
	/* 802.11e */
	WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
	WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
	WLAN_REASON_DISASSOC_LOW_ACK = 34,
	WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
	WLAN_REASON_QSTA_LEAVE_QBSS = 36,
	WLAN_REASON_QSTA_NOT_USE = 37,
	WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
	WLAN_REASON_QSTA_TIMEOUT = 39,
	WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
	/* 802.11s */
	WLAN_REASON_MESH_PEER_CANCELED = 52,
	WLAN_REASON_MESH_MAX_PEERS = 53,
	WLAN_REASON_MESH_CONFIG = 54,
	WLAN_REASON_MESH_CLOSE = 55,
	WLAN_REASON_MESH_MAX_RETRIES = 56,
	WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
	WLAN_REASON_MESH_INVALID_GTK = 58,
	WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
	WLAN_REASON_MESH_INVALID_SECURITY = 60,
	WLAN_REASON_MESH_PATH_ERROR = 61,
	WLAN_REASON_MESH_PATH_NOFORWARD = 62,
	WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
	WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
	WLAN_REASON_MESH_CHAN_REGULATORY = 65,
	WLAN_REASON_MESH_CHAN = 66,
};


/* Information Element IDs */
enum ieee80211_eid {
	WLAN_EID_SSID = 0,
	WLAN_EID_SUPP_RATES = 1,
	WLAN_EID_FH_PARAMS = 2, /* reserved now */
	WLAN_EID_DS_PARAMS = 3,
	WLAN_EID_CF_PARAMS = 4,
	WLAN_EID_TIM = 5,
	WLAN_EID_IBSS_PARAMS = 6,
	WLAN_EID_COUNTRY = 7,
	/* 8, 9 reserved */
	WLAN_EID_REQUEST = 10,
	WLAN_EID_QBSS_LOAD = 11,
	WLAN_EID_EDCA_PARAM_SET = 12,
	WLAN_EID_TSPEC = 13,
	WLAN_EID_TCLAS = 14,
	WLAN_EID_SCHEDULE = 15,
	WLAN_EID_CHALLENGE = 16,
	/* 17-31 reserved for challenge text extension */
	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,
	WLAN_EID_ERP_INFO = 42,
	WLAN_EID_TS_DELAY = 43,
	WLAN_EID_TCLAS_PROCESSING = 44,
	WLAN_EID_HT_CAPABILITY = 45,
	WLAN_EID_QOS_CAPA = 46,
	/* 47 reserved for Broadcom */
	WLAN_EID_RSN = 48,
	WLAN_EID_802_15_COEX = 49,
	WLAN_EID_EXT_SUPP_RATES = 50,
	WLAN_EID_AP_CHAN_REPORT = 51,
	WLAN_EID_NEIGHBOR_REPORT = 52,
	WLAN_EID_RCPI = 53,
	WLAN_EID_MOBILITY_DOMAIN = 54,
	WLAN_EID_FAST_BSS_TRANSITION = 55,
	WLAN_EID_TIMEOUT_INTERVAL = 56,
	WLAN_EID_RIC_DATA = 57,
	WLAN_EID_DSE_REGISTERED_LOCATION = 58,
	WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
	WLAN_EID_EXT_CHANSWITCH_ANN = 60,
	WLAN_EID_HT_OPERATION = 61,
	WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
	WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
	WLAN_EID_ANTENNA_INFO = 64,
	WLAN_EID_RSNI = 65,
	WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
	WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
	WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
	WLAN_EID_TIME_ADVERTISEMENT = 69,
	WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
	WLAN_EID_MULTIPLE_BSSID = 71,
	WLAN_EID_BSS_COEX_2040 = 72,
	WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
	WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
	WLAN_EID_RIC_DESCRIPTOR = 75,
	WLAN_EID_MMIE = 76,
	WLAN_EID_ASSOC_COMEBACK_TIME = 77,
	WLAN_EID_EVENT_REQUEST = 78,
	WLAN_EID_EVENT_REPORT = 79,
	WLAN_EID_DIAGNOSTIC_REQUEST = 80,
	WLAN_EID_DIAGNOSTIC_REPORT = 81,
	WLAN_EID_LOCATION_PARAMS = 82,
	WLAN_EID_NON_TX_BSSID_CAP =  83,
	WLAN_EID_SSID_LIST = 84,
	WLAN_EID_MULTI_BSSID_IDX = 85,
	WLAN_EID_FMS_DESCRIPTOR = 86,
	WLAN_EID_FMS_REQUEST = 87,
	WLAN_EID_FMS_RESPONSE = 88,
	WLAN_EID_QOS_TRAFFIC_CAPA = 89,
	WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
	WLAN_EID_TSF_REQUEST = 91,
	WLAN_EID_TSF_RESPOSNE = 92,
	WLAN_EID_WNM_SLEEP_MODE = 93,
	WLAN_EID_TIM_BCAST_REQ = 94,
	WLAN_EID_TIM_BCAST_RESP = 95,
	WLAN_EID_COLL_IF_REPORT = 96,
	WLAN_EID_CHANNEL_USAGE = 97,
	WLAN_EID_TIME_ZONE = 98,
	WLAN_EID_DMS_REQUEST = 99,
	WLAN_EID_DMS_RESPONSE = 100,
	WLAN_EID_LINK_ID = 101,
	WLAN_EID_WAKEUP_SCHEDUL = 102,
	/* 103 reserved */
	WLAN_EID_CHAN_SWITCH_TIMING = 104,
	WLAN_EID_PTI_CONTROL = 105,
	WLAN_EID_PU_BUFFER_STATUS = 106,
	WLAN_EID_INTERWORKING = 107,
	WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
	WLAN_EID_EXPEDITED_BW_REQ = 109,
	WLAN_EID_QOS_MAP_SET = 110,
	WLAN_EID_ROAMING_CONSORTIUM = 111,
	WLAN_EID_EMERGENCY_ALERT = 112,
	WLAN_EID_MESH_CONFIG = 113,
	WLAN_EID_MESH_ID = 114,
	WLAN_EID_LINK_METRIC_REPORT = 115,
	WLAN_EID_CONGESTION_NOTIFICATION = 116,
	WLAN_EID_PEER_MGMT = 117,
	WLAN_EID_CHAN_SWITCH_PARAM = 118,
	WLAN_EID_MESH_AWAKE_WINDOW = 119,
	WLAN_EID_BEACON_TIMING = 120,
	WLAN_EID_MCCAOP_SETUP_REQ = 121,
	WLAN_EID_MCCAOP_SETUP_RESP = 122,
	WLAN_EID_MCCAOP_ADVERT = 123,
	WLAN_EID_MCCAOP_TEARDOWN = 124,
	WLAN_EID_GANN = 125,
	WLAN_EID_RANN = 126,
	WLAN_EID_EXT_CAPABILITY = 127,
	/* 128, 129 reserved for Agere */
	WLAN_EID_PREQ = 130,
	WLAN_EID_PREP = 131,
	WLAN_EID_PERR = 132,
	/* 133-136 reserved for Cisco */
	WLAN_EID_PXU = 137,
	WLAN_EID_PXUC = 138,
	WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
	WLAN_EID_MIC = 140,
	WLAN_EID_DESTINATION_URI = 141,
	WLAN_EID_UAPSD_COEX = 142,
	WLAN_EID_WAKEUP_SCHEDULE = 143,
	WLAN_EID_EXT_SCHEDULE = 144,
	WLAN_EID_STA_AVAILABILITY = 145,
	WLAN_EID_DMG_TSPEC = 146,
	WLAN_EID_DMG_AT = 147,
	WLAN_EID_DMG_CAP = 148,
	/* 149 reserved for Cisco */
	WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
	WLAN_EID_DMG_OPERATION = 151,
	WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
	WLAN_EID_DMG_BEAM_REFINEMENT = 153,
	WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
	/* 155-156 reserved for Cisco */
	WLAN_EID_AWAKE_WINDOW = 157,
	WLAN_EID_MULTI_BAND = 158,
	WLAN_EID_ADDBA_EXT = 159,
	WLAN_EID_NEXT_PCP_LIST = 160,
	WLAN_EID_PCP_HANDOVER = 161,
	WLAN_EID_DMG_LINK_MARGIN = 162,
	WLAN_EID_SWITCHING_STREAM = 163,
	WLAN_EID_SESSION_TRANSITION = 164,
	WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
	WLAN_EID_CLUSTER_REPORT = 166,
	WLAN_EID_RELAY_CAP = 167,
	WLAN_EID_RELAY_XFER_PARAM_SET = 168,
	WLAN_EID_BEAM_LINK_MAINT = 169,
	WLAN_EID_MULTIPLE_MAC_ADDR = 170,
	WLAN_EID_U_PID = 171,
	WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
	/* 173 reserved for Symbol */
	WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
	WLAN_EID_QUIET_PERIOD_REQ = 175,
	/* 176 reserved for Symbol */
	WLAN_EID_QUIET_PERIOD_RESP = 177,
	/* 178-179 reserved for Symbol */
	/* 180 reserved for ISO/IEC 20011 */
	WLAN_EID_EPAC_POLICY = 182,
	WLAN_EID_CLISTER_TIME_OFF = 183,
	WLAN_EID_INTER_AC_PRIO = 184,
	WLAN_EID_SCS_DESCRIPTOR = 185,
	WLAN_EID_QLOAD_REPORT = 186,
	WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
	WLAN_EID_HL_STREAM_ID = 188,
	WLAN_EID_GCR_GROUP_ADDR = 189,
	WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
	WLAN_EID_VHT_CAPABILITY = 191,
	WLAN_EID_VHT_OPERATION = 192,
	WLAN_EID_EXTENDED_BSS_LOAD = 193,
	WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
	WLAN_EID_TX_POWER_ENVELOPE = 195,
	WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
	WLAN_EID_AID = 197,
	WLAN_EID_QUIET_CHANNEL = 198,
	WLAN_EID_OPMODE_NOTIF = 199,

	WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,

	WLAN_EID_AID_REQUEST = 210,
	WLAN_EID_AID_RESPONSE = 211,
	WLAN_EID_S1G_BCN_COMPAT = 213,
	WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
	WLAN_EID_S1G_TWT = 216,
	WLAN_EID_S1G_CAPABILITIES = 217,
	WLAN_EID_VENDOR_SPECIFIC = 221,
	WLAN_EID_QOS_PARAMETER = 222,
	WLAN_EID_S1G_OPERATION = 232,
	WLAN_EID_CAG_NUMBER = 237,
	WLAN_EID_AP_CSN = 239,
	WLAN_EID_FILS_INDICATION = 240,
	WLAN_EID_DILS = 241,
	WLAN_EID_FRAGMENT = 242,
	WLAN_EID_RSNX = 244,
	WLAN_EID_EXTENSION = 255
};

/* Element ID Extensions for Element ID 255 */
enum ieee80211_eid_ext {
	WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
	WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
	WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
	WLAN_EID_EXT_FILS_SESSION = 4,
	WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
	WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
	WLAN_EID_EXT_KEY_DELIVERY = 7,
	WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
	WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
	WLAN_EID_EXT_FILS_NONCE = 13,
	WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
	WLAN_EID_EXT_HE_CAPABILITY = 35,
	WLAN_EID_EXT_HE_OPERATION = 36,
	WLAN_EID_EXT_UORA = 37,
	WLAN_EID_EXT_HE_MU_EDCA = 38,
	WLAN_EID_EXT_HE_SPR = 39,
	WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
	WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
	WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
	WLAN_EID_EXT_ESS_REPORT = 45,
	WLAN_EID_EXT_OPS = 46,
	WLAN_EID_EXT_HE_BSS_LOAD = 47,
	WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
	WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
	WLAN_EID_EXT_NON_INHERITANCE = 56,
	WLAN_EID_EXT_KNOWN_BSSID = 57,
	WLAN_EID_EXT_SHORT_SSID_LIST = 58,
	WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
	WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
	WLAN_EID_EXT_EHT_OPERATION = 106,
	WLAN_EID_EXT_EHT_MULTI_LINK = 107,
	WLAN_EID_EXT_EHT_CAPABILITY = 108,
	WLAN_EID_EXT_TID_TO_LINK_MAPPING = 109,
	WLAN_EID_EXT_BANDWIDTH_INDICATION = 135,
};

/* Action category code */
enum ieee80211_category {
	WLAN_CATEGORY_SPECTRUM_MGMT = 0,
	WLAN_CATEGORY_QOS = 1,
	WLAN_CATEGORY_DLS = 2,
	WLAN_CATEGORY_BACK = 3,
	WLAN_CATEGORY_PUBLIC = 4,
	WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
	WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
	WLAN_CATEGORY_HT = 7,
	WLAN_CATEGORY_SA_QUERY = 8,
	WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
	WLAN_CATEGORY_WNM = 10,
	WLAN_CATEGORY_WNM_UNPROTECTED = 11,
	WLAN_CATEGORY_TDLS = 12,
	WLAN_CATEGORY_MESH_ACTION = 13,
	WLAN_CATEGORY_MULTIHOP_ACTION = 14,
	WLAN_CATEGORY_SELF_PROTECTED = 15,
	WLAN_CATEGORY_DMG = 16,
	WLAN_CATEGORY_WMM = 17,
	WLAN_CATEGORY_FST = 18,
	WLAN_CATEGORY_UNPROT_DMG = 20,
	WLAN_CATEGORY_VHT = 21,
	WLAN_CATEGORY_S1G = 22,
	WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
	WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
};

/* SPECTRUM_MGMT action code */
enum ieee80211_spectrum_mgmt_actioncode {
	WLAN_ACTION_SPCT_MSR_REQ = 0,
	WLAN_ACTION_SPCT_MSR_RPRT = 1,
	WLAN_ACTION_SPCT_TPC_REQ = 2,
	WLAN_ACTION_SPCT_TPC_RPRT = 3,
	WLAN_ACTION_SPCT_CHL_SWITCH = 4,
};

/* HT action codes */
enum ieee80211_ht_actioncode {
	WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
	WLAN_HT_ACTION_SMPS = 1,
	WLAN_HT_ACTION_PSMP = 2,
	WLAN_HT_ACTION_PCO_PHASE = 3,
	WLAN_HT_ACTION_CSI = 4,
	WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
	WLAN_HT_ACTION_COMPRESSED_BF = 6,
	WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
};

/* VHT action codes */
enum ieee80211_vht_actioncode {
	WLAN_VHT_ACTION_COMPRESSED_BF = 0,
	WLAN_VHT_ACTION_GROUPID_MGMT = 1,
	WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
};

/* Self Protected Action codes */
enum ieee80211_self_protected_actioncode {
	WLAN_SP_RESERVED = 0,
	WLAN_SP_MESH_PEERING_OPEN = 1,
	WLAN_SP_MESH_PEERING_CONFIRM = 2,
	WLAN_SP_MESH_PEERING_CLOSE = 3,
	WLAN_SP_MGK_INFORM = 4,
	WLAN_SP_MGK_ACK = 5,
};

/* Mesh action codes */
enum ieee80211_mesh_actioncode {
	WLAN_MESH_ACTION_LINK_METRIC_REPORT,
	WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
	WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
	WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
	WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
	WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
	WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
	WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
	WLAN_MESH_ACTION_MCCA_TEARDOWN,
	WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
	WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
};

/* Unprotected WNM action codes */
enum ieee80211_unprotected_wnm_actioncode {
	WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
	WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
};

/* Security key length */
enum ieee80211_key_len {
	WLAN_KEY_LEN_WEP40 = 5,
	WLAN_KEY_LEN_WEP104 = 13,
	WLAN_KEY_LEN_CCMP = 16,
	WLAN_KEY_LEN_CCMP_256 = 32,
	WLAN_KEY_LEN_TKIP = 32,
	WLAN_KEY_LEN_AES_CMAC = 16,
	WLAN_KEY_LEN_SMS4 = 32,
	WLAN_KEY_LEN_GCMP = 16,
	WLAN_KEY_LEN_GCMP_256 = 32,
	WLAN_KEY_LEN_BIP_CMAC_256 = 32,
	WLAN_KEY_LEN_BIP_GMAC_128 = 16,
	WLAN_KEY_LEN_BIP_GMAC_256 = 32,
};

enum ieee80211_s1g_actioncode {
	WLAN_S1G_AID_SWITCH_REQUEST,
	WLAN_S1G_AID_SWITCH_RESPONSE,
	WLAN_S1G_SYNC_CONTROL,
	WLAN_S1G_STA_INFO_ANNOUNCE,
	WLAN_S1G_EDCA_PARAM_SET,
	WLAN_S1G_EL_OPERATION,
	WLAN_S1G_TWT_SETUP,
	WLAN_S1G_TWT_TEARDOWN,
	WLAN_S1G_SECT_GROUP_ID_LIST,
	WLAN_S1G_SECT_ID_FEEDBACK,
	WLAN_S1G_TWT_INFORMATION = 11,
};

#define IEEE80211_WEP_IV_LEN		4
#define IEEE80211_WEP_ICV_LEN		4
#define IEEE80211_CCMP_HDR_LEN		8
#define IEEE80211_CCMP_MIC_LEN		8
#define IEEE80211_CCMP_PN_LEN		6
#define IEEE80211_CCMP_256_HDR_LEN	8
#define IEEE80211_CCMP_256_MIC_LEN	16
#define IEEE80211_CCMP_256_PN_LEN	6
#define IEEE80211_TKIP_IV_LEN		8
#define IEEE80211_TKIP_ICV_LEN		4
#define IEEE80211_CMAC_PN_LEN		6
#define IEEE80211_GMAC_PN_LEN		6
#define IEEE80211_GCMP_HDR_LEN		8
#define IEEE80211_GCMP_MIC_LEN		16
#define IEEE80211_GCMP_PN_LEN		6

#define FILS_NONCE_LEN			16
#define FILS_MAX_KEK_LEN		64

#define FILS_ERP_MAX_USERNAME_LEN	16
#define FILS_ERP_MAX_REALM_LEN		253
#define FILS_ERP_MAX_RRK_LEN		64

#define PMK_MAX_LEN			64
#define SAE_PASSWORD_MAX_LEN		128

/* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
enum ieee80211_pub_actioncode {
	WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
	WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
	WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
	WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
	WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
	WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
	WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
	WLAN_PUB_ACTION_MSMT_PILOT = 7,
	WLAN_PUB_ACTION_DSE_PC = 8,
	WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
	WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
	WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
	WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
	WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
	WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
	WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
	WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
	WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
	WLAN_PUB_ACTION_QMF_POLICY = 18,
	WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
	WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
	WLAN_PUB_ACTION_QLOAD_REPORT = 21,
	WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
	WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
	WLAN_PUB_ACTION_PUBLIC_KEY = 24,
	WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
	WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
	WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
	WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
	WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
	WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
	WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
	WLAN_PUB_ACTION_FTM_REQUEST = 32,
	WLAN_PUB_ACTION_FTM_RESPONSE = 33,
	WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
};

/* TDLS action codes */
enum ieee80211_tdls_actioncode {
	WLAN_TDLS_SETUP_REQUEST = 0,
	WLAN_TDLS_SETUP_RESPONSE = 1,
	WLAN_TDLS_SETUP_CONFIRM = 2,
	WLAN_TDLS_TEARDOWN = 3,
	WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
	WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
	WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
	WLAN_TDLS_PEER_PSM_REQUEST = 7,
	WLAN_TDLS_PEER_PSM_RESPONSE = 8,
	WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
	WLAN_TDLS_DISCOVERY_REQUEST = 10,
};

/* Extended Channel Switching capability to be set in the 1st byte of
 * the @WLAN_EID_EXT_CAPABILITY information element
 */
#define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING	BIT(2)

/* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
 * @WLAN_EID_EXT_CAPABILITY information element
 */
#define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT	BIT(6)

/* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
 * of the @WLAN_EID_EXT_CAPABILITY information element
 */
#define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT	BIT(7)

/* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
#define WLAN_EXT_CAPA4_TDLS_BUFFER_STA		BIT(4)
#define WLAN_EXT_CAPA4_TDLS_PEER_PSM		BIT(5)
#define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH		BIT(6)

/* Interworking capabilities are set in 7th bit of 4th byte of the
 * @WLAN_EID_EXT_CAPABILITY information element
 */
#define WLAN_EXT_CAPA4_INTERWORKING_ENABLED	BIT(7)

/*
 * TDLS capabililites to be enabled in the 5th byte of the
 * @WLAN_EID_EXT_CAPABILITY information element
 */
#define WLAN_EXT_CAPA5_TDLS_ENABLED	BIT(5)
#define WLAN_EXT_CAPA5_TDLS_PROHIBITED	BIT(6)
#define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED	BIT(7)

#define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED	BIT(5)
#define WLAN_EXT_CAPA8_OPMODE_NOTIF	BIT(6)

/* Defines the maximal number of MSDUs in an A-MSDU. */
#define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB	BIT(7)
#define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB	BIT(0)

/*
 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
 * information element
 */
#define WLAN_EXT_CAPA9_FTM_INITIATOR	BIT(7)

/* Defines support for TWT Requester and TWT Responder */
#define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT	BIT(5)
#define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT	BIT(6)

/*
 * When set, indicates that the AP is able to tolerate 26-tone RU UL
 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
 * 26-tone RU UL OFDMA transmissions as radar pulses).
 */
#define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)

/* Defines support for enhanced multi-bssid advertisement*/
#define WLAN_EXT_CAPA11_EMA_SUPPORT	BIT(3)

/* TDLS specific payload type in the LLC/SNAP header */
#define WLAN_TDLS_SNAP_RFTYPE	0x2

/* BSS Coex IE information field bits */
#define WLAN_BSS_COEX_INFORMATION_REQUEST	BIT(0)

/**
 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
 *
 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
 *	that will be specified in a vendor specific information element
 */
enum ieee80211_mesh_sync_method {
	IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
	IEEE80211_SYNC_METHOD_VENDOR = 255,
};

/**
 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
 *
 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
 *	be specified in a vendor specific information element
 */
enum ieee80211_mesh_path_protocol {
	IEEE80211_PATH_PROTOCOL_HWMP = 1,
	IEEE80211_PATH_PROTOCOL_VENDOR = 255,
};

/**
 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
 *
 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
 *	specified in a vendor specific information element
 */
enum ieee80211_mesh_path_metric {
	IEEE80211_PATH_METRIC_AIRTIME = 1,
	IEEE80211_PATH_METRIC_VENDOR = 255,
};

/**
 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
 *
 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
 *
 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
 *	this value
 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
 *	the proactive PREQ with proactive PREP subfield set to 0
 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
 *	supports the proactive PREQ with proactive PREP subfield set to 1
 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
 *	the proactive RANN
 */
enum ieee80211_root_mode_identifier {
	IEEE80211_ROOTMODE_NO_ROOT = 0,
	IEEE80211_ROOTMODE_ROOT = 1,
	IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
	IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
	IEEE80211_PROACTIVE_RANN = 4,
};

/*
 * IEEE 802.11-2007 7.3.2.9 Country information element
 *
 * Minimum length is 8 octets, ie len must be evenly
 * divisible by 2
 */

/* Although the spec says 8 I'm seeing 6 in practice */
#define IEEE80211_COUNTRY_IE_MIN_LEN	6

/* The Country String field of the element shall be 3 octets in length */
#define IEEE80211_COUNTRY_STRING_LEN	3

/*
 * For regulatory extension stuff see IEEE 802.11-2007
 * Annex I (page 1141) and Annex J (page 1147). Also
 * review 7.3.2.9.
 *
 * When dot11RegulatoryClassesRequired is true and the
 * first_channel/reg_extension_id is >= 201 then the IE
 * compromises of the 'ext' struct represented below:
 *
 *  - Regulatory extension ID - when generating IE this just needs
 *    to be monotonically increasing for each triplet passed in
 *    the IE
 *  - Regulatory class - index into set of rules
 *  - Coverage class - index into air propagation time (Table 7-27),
 *    in microseconds, you can compute the air propagation time from
 *    the index by multiplying by 3, so index 10 yields a propagation
 *    of 10 us. Valid values are 0-31, values 32-255 are not defined
 *    yet. A value of 0 inicates air propagation of <= 1 us.
 *
 *  See also Table I.2 for Emission limit sets and table
 *  I.3 for Behavior limit sets. Table J.1 indicates how to map
 *  a reg_class to an emission limit set and behavior limit set.
 */
#define IEEE80211_COUNTRY_EXTENSION_ID 201

/*
 *  Channels numbers in the IE must be monotonically increasing
 *  if dot11RegulatoryClassesRequired is not true.
 *
 *  If dot11RegulatoryClassesRequired is true consecutive
 *  subband triplets following a regulatory triplet shall
 *  have monotonically increasing first_channel number fields.
 *
 *  Channel numbers shall not overlap.
 *
 *  Note that max_power is signed.
 */
struct ieee80211_country_ie_triplet {
	union {
		struct {
			u8 first_channel;
			u8 num_channels;
			s8 max_power;
		} __packed chans;
		struct {
			u8 reg_extension_id;
			u8 reg_class;
			u8 coverage_class;
		} __packed ext;
	};
} __packed;

enum ieee80211_timeout_interval_type {
	WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
	WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
	WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
};

/**
 * struct ieee80211_timeout_interval_ie - Timeout Interval element
 * @type: type, see &enum ieee80211_timeout_interval_type
 * @value: timeout interval value
 */
struct ieee80211_timeout_interval_ie {
	u8 type;
	__le32 value;
} __packed;

/**
 * enum ieee80211_idle_options - BSS idle options
 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
 *	protected frame to the AP to reset the idle timer at the AP for
 *	the station.
 */
enum ieee80211_idle_options {
	WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
};

/**
 * struct ieee80211_bss_max_idle_period_ie
 *
 * This structure refers to "BSS Max idle period element"
 *
 * @max_idle_period: indicates the time period during which a station can
 *	refrain from transmitting frames to its associated AP without being
 *	disassociated. In units of 1000 TUs.
 * @idle_options: indicates the options associated with the BSS idle capability
 *	as specified in &enum ieee80211_idle_options.
 */
struct ieee80211_bss_max_idle_period_ie {
	__le16 max_idle_period;
	u8 idle_options;
} __packed;

/* BACK action code */
enum ieee80211_back_actioncode {
	WLAN_ACTION_ADDBA_REQ = 0,
	WLAN_ACTION_ADDBA_RESP = 1,
	WLAN_ACTION_DELBA = 2,
};

/* BACK (block-ack) parties */
enum ieee80211_back_parties {
	WLAN_BACK_RECIPIENT = 0,
	WLAN_BACK_INITIATOR = 1,
};

/* SA Query action */
enum ieee80211_sa_query_action {
	WLAN_ACTION_SA_QUERY_REQUEST = 0,
	WLAN_ACTION_SA_QUERY_RESPONSE = 1,
};

/**
 * struct ieee80211_bssid_index
 *
 * This structure refers to "Multiple BSSID-index element"
 *
 * @bssid_index: BSSID index
 * @dtim_period: optional, overrides transmitted BSS dtim period
 * @dtim_count: optional, overrides transmitted BSS dtim count
 */
struct ieee80211_bssid_index {
	u8 bssid_index;
	u8 dtim_period;
	u8 dtim_count;
};

/**
 * struct ieee80211_multiple_bssid_configuration
 *
 * This structure refers to "Multiple BSSID Configuration element"
 *
 * @bssid_count: total number of active BSSIDs in the set
 * @profile_periodicity: the least number of beacon frames need to be received
 *	in order to discover all the nontransmitted BSSIDs in the set.
 */
struct ieee80211_multiple_bssid_configuration {
	u8 bssid_count;
	u8 profile_periodicity;
};

#define SUITE(oui, id)	(((oui) << 8) | (id))

/* cipher suite selectors */
#define WLAN_CIPHER_SUITE_USE_GROUP	SUITE(0x000FAC, 0)
#define WLAN_CIPHER_SUITE_WEP40		SUITE(0x000FAC, 1)
#define WLAN_CIPHER_SUITE_TKIP		SUITE(0x000FAC, 2)
/* reserved: 				SUITE(0x000FAC, 3) */
#define WLAN_CIPHER_SUITE_CCMP		SUITE(0x000FAC, 4)
#define WLAN_CIPHER_SUITE_WEP104	SUITE(0x000FAC, 5)
#define WLAN_CIPHER_SUITE_AES_CMAC	SUITE(0x000FAC, 6)
#define WLAN_CIPHER_SUITE_GCMP		SUITE(0x000FAC, 8)
#define WLAN_CIPHER_SUITE_GCMP_256	SUITE(0x000FAC, 9)
#define WLAN_CIPHER_SUITE_CCMP_256	SUITE(0x000FAC, 10)
#define WLAN_CIPHER_SUITE_BIP_GMAC_128	SUITE(0x000FAC, 11)
#define WLAN_CIPHER_SUITE_BIP_GMAC_256	SUITE(0x000FAC, 12)
#define WLAN_CIPHER_SUITE_BIP_CMAC_256	SUITE(0x000FAC, 13)

#define WLAN_CIPHER_SUITE_SMS4		SUITE(0x001472, 1)

/* AKM suite selectors */
#define WLAN_AKM_SUITE_8021X			SUITE(0x000FAC, 1)
#define WLAN_AKM_SUITE_PSK			SUITE(0x000FAC, 2)
#define WLAN_AKM_SUITE_FT_8021X			SUITE(0x000FAC, 3)
#define WLAN_AKM_SUITE_FT_PSK			SUITE(0x000FAC, 4)
#define WLAN_AKM_SUITE_8021X_SHA256		SUITE(0x000FAC, 5)
#define WLAN_AKM_SUITE_PSK_SHA256		SUITE(0x000FAC, 6)
#define WLAN_AKM_SUITE_TDLS			SUITE(0x000FAC, 7)
#define WLAN_AKM_SUITE_SAE			SUITE(0x000FAC, 8)
#define WLAN_AKM_SUITE_FT_OVER_SAE		SUITE(0x000FAC, 9)
#define WLAN_AKM_SUITE_AP_PEER_KEY		SUITE(0x000FAC, 10)
#define WLAN_AKM_SUITE_8021X_SUITE_B		SUITE(0x000FAC, 11)
#define WLAN_AKM_SUITE_8021X_SUITE_B_192	SUITE(0x000FAC, 12)
#define WLAN_AKM_SUITE_FT_8021X_SHA384		SUITE(0x000FAC, 13)
#define WLAN_AKM_SUITE_FILS_SHA256		SUITE(0x000FAC, 14)
#define WLAN_AKM_SUITE_FILS_SHA384		SUITE(0x000FAC, 15)
#define WLAN_AKM_SUITE_FT_FILS_SHA256		SUITE(0x000FAC, 16)
#define WLAN_AKM_SUITE_FT_FILS_SHA384		SUITE(0x000FAC, 17)
#define WLAN_AKM_SUITE_OWE			SUITE(0x000FAC, 18)
#define WLAN_AKM_SUITE_FT_PSK_SHA384		SUITE(0x000FAC, 19)
#define WLAN_AKM_SUITE_PSK_SHA384		SUITE(0x000FAC, 20)

#define WLAN_AKM_SUITE_WFA_DPP			SUITE(WLAN_OUI_WFA, 2)

#define WLAN_MAX_KEY_LEN		32

#define WLAN_PMK_NAME_LEN		16
#define WLAN_PMKID_LEN			16
#define WLAN_PMK_LEN_EAP_LEAP		16
#define WLAN_PMK_LEN			32
#define WLAN_PMK_LEN_SUITE_B_192	48

#define WLAN_OUI_WFA			0x506f9a
#define WLAN_OUI_TYPE_WFA_P2P		9
#define WLAN_OUI_TYPE_WFA_DPP		0x1A
#define WLAN_OUI_MICROSOFT		0x0050f2
#define WLAN_OUI_TYPE_MICROSOFT_WPA	1
#define WLAN_OUI_TYPE_MICROSOFT_WMM	2
#define WLAN_OUI_TYPE_MICROSOFT_WPS	4
#define WLAN_OUI_TYPE_MICROSOFT_TPC	8

/*
 * WMM/802.11e Tspec Element
 */
#define IEEE80211_WMM_IE_TSPEC_TID_MASK		0x0F
#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT	1

enum ieee80211_tspec_status_code {
	IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
	IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
};

struct ieee80211_tspec_ie {
	u8 element_id;
	u8 len;
	u8 oui[3];
	u8 oui_type;
	u8 oui_subtype;
	u8 version;
	__le16 tsinfo;
	u8 tsinfo_resvd;
	__le16 nominal_msdu;
	__le16 max_msdu;
	__le32 min_service_int;
	__le32 max_service_int;
	__le32 inactivity_int;
	__le32 suspension_int;
	__le32 service_start_time;
	__le32 min_data_rate;
	__le32 mean_data_rate;
	__le32 peak_data_rate;
	__le32 max_burst_size;
	__le32 delay_bound;
	__le32 min_phy_rate;
	__le16 sba;
	__le16 medium_time;
} __packed;

struct ieee80211_he_6ghz_capa {
	/* uses IEEE80211_HE_6GHZ_CAP_* below */
	__le16 capa;
} __packed;

/* HE 6 GHz band capabilities */
/* uses enum ieee80211_min_mpdu_spacing values */
#define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START	0x0007
/* uses enum ieee80211_vht_max_ampdu_length_exp values */
#define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP	0x0038
/* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
#define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN	0x00c0
/* WLAN_HT_CAP_SM_PS_* values */
#define IEEE80211_HE_6GHZ_CAP_SM_PS		0x0600
#define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER	0x0800
#define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS	0x1000
#define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS	0x2000

/**
 * ieee80211_get_qos_ctl - get pointer to qos control bytes
 * @hdr: the frame
 *
 * The qos ctrl bytes come after the frame_control, duration, seq_num
 * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
 * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
 */
static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
{
	union {
		struct ieee80211_qos_hdr	addr3;
		struct ieee80211_qos_hdr_4addr	addr4;
	} *qos;

	qos = (void *)hdr;
	if (ieee80211_has_a4(qos->addr3.frame_control))
		return (u8 *)&qos->addr4.qos_ctrl;
	else
		return (u8 *)&qos->addr3.qos_ctrl;
}

/**
 * ieee80211_get_tid - get qos TID
 * @hdr: the frame
 */
static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
{
	u8 *qc = ieee80211_get_qos_ctl(hdr);

	return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
}

/**
 * ieee80211_get_SA - get pointer to SA
 * @hdr: the frame
 *
 * 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.
 */
static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
{
	if (ieee80211_has_a4(hdr->frame_control))
		return hdr->addr4;
	if (ieee80211_has_fromds(hdr->frame_control))
		return hdr->addr3;
	return hdr->addr2;
}

/**
 * ieee80211_get_DA - get pointer to DA
 * @hdr: the frame
 *
 * 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.
 */
static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
{
	if (ieee80211_has_tods(hdr->frame_control))
		return hdr->addr3;
	else
		return hdr->addr1;
}

/**
 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 * @skb: the skb to check, starting with the 802.11 header
 */
static inline bool ieee80211_is_bufferable_mmpdu(struct sk_buff *skb)
{
	struct ieee80211_mgmt *mgmt = (void *)skb->data;
	__le16 fc = mgmt->frame_control;

	/*
	 * IEEE 802.11 REVme D2.0 definition of bufferable MMPDU;
	 * note that this ignores the IBSS special case.
	 */
	if (!ieee80211_is_mgmt(fc))
		return false;

	if (ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc))
		return true;

	if (!ieee80211_is_action(fc))
		return false;

	if (skb->len < offsetofend(typeof(*mgmt), u.action.u.ftm.action_code))
		return true;

	/* action frame - additionally check for non-bufferable FTM */

	if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&
	    mgmt->u.action.category != WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION)
		return true;

	if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_REQUEST ||
	    mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE)
		return false;

	return true;
}

/**
 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
 * @hdr: the frame (buffer must include at least the first octet of payload)
 */
static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
{
	if (ieee80211_is_disassoc(hdr->frame_control) ||
	    ieee80211_is_deauth(hdr->frame_control))
		return true;

	if (ieee80211_is_action(hdr->frame_control)) {
		u8 *category;

		/*
		 * Action frames, excluding Public Action frames, are Robust
		 * Management Frames. However, if we are looking at a Protected
		 * frame, skip the check since the data may be encrypted and
		 * the frame has already been found to be a Robust Management
		 * Frame (by the other end).
		 */
		if (ieee80211_has_protected(hdr->frame_control))
			return true;
		category = ((u8 *) hdr) + 24;
		return *category != WLAN_CATEGORY_PUBLIC &&
			*category != WLAN_CATEGORY_HT &&
			*category != WLAN_CATEGORY_WNM_UNPROTECTED &&
			*category != WLAN_CATEGORY_SELF_PROTECTED &&
			*category != WLAN_CATEGORY_UNPROT_DMG &&
			*category != WLAN_CATEGORY_VHT &&
			*category != WLAN_CATEGORY_S1G &&
			*category != WLAN_CATEGORY_VENDOR_SPECIFIC;
	}

	return false;
}

/**
 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
 * @skb: the skb containing the frame, length will be checked
 */
static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
{
	if (skb->len < IEEE80211_MIN_ACTION_SIZE)
		return false;
	return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
}

/**
 * ieee80211_is_public_action - check if frame is a public action frame
 * @hdr: the frame
 * @len: length of the frame
 */
static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
					      size_t len)
{
	struct ieee80211_mgmt *mgmt = (void *)hdr;

	if (len < IEEE80211_MIN_ACTION_SIZE)
		return false;
	if (!ieee80211_is_action(hdr->frame_control))
		return false;
	return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
}

/**
 * ieee80211_is_protected_dual_of_public_action - check if skb contains a
 * protected dual of public action management frame
 * @skb: the skb containing the frame, length will be checked
 *
 * Return: true if the skb contains a protected dual of public action
 * management frame, false otherwise.
 */
static inline bool
ieee80211_is_protected_dual_of_public_action(struct sk_buff *skb)
{
	u8 action;

	if (!ieee80211_is_public_action((void *)skb->data, skb->len) ||
	    skb->len < IEEE80211_MIN_ACTION_SIZE + 1)
		return false;

	action = *(u8 *)(skb->data + IEEE80211_MIN_ACTION_SIZE);

	return action != WLAN_PUB_ACTION_20_40_BSS_COEX &&
		action != WLAN_PUB_ACTION_DSE_REG_LOC_ANN &&
		action != WLAN_PUB_ACTION_MSMT_PILOT &&
		action != WLAN_PUB_ACTION_TDLS_DISCOVER_RES &&
		action != WLAN_PUB_ACTION_LOC_TRACK_NOTI &&
		action != WLAN_PUB_ACTION_FTM_REQUEST &&
		action != WLAN_PUB_ACTION_FTM_RESPONSE &&
		action != WLAN_PUB_ACTION_FILS_DISCOVERY &&
		action != WLAN_PUB_ACTION_VENDOR_SPECIFIC;
}

/**
 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
 * privacy action frame
 * @hdr: the frame
 */
static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
{
	struct ieee80211_mgmt *mgmt = (void *)hdr;

	if (!ieee80211_is_action(hdr->frame_control) ||
	    !is_multicast_ether_addr(hdr->addr1))
		return false;

	return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
	       mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
}

/**
 * ieee80211_is_group_privacy_action - check if frame is a group addressed
 * privacy action frame
 * @skb: the skb containing the frame, length will be checked
 */
static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
{
	if (skb->len < IEEE80211_MIN_ACTION_SIZE)
		return false;
	return _ieee80211_is_group_privacy_action((void *)skb->data);
}

/**
 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
 * @tu: the TUs
 */
static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
{
	return 1024 * tu;
}

/**
 * ieee80211_check_tim - check if AID bit is set in TIM
 * @tim: the TIM IE
 * @tim_len: length of the TIM IE
 * @aid: the AID to look for
 */
static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
				       u8 tim_len, u16 aid)
{
	u8 mask;
	u8 index, indexn1, indexn2;

	if (unlikely(!tim || tim_len < sizeof(*tim)))
		return false;

	aid &= 0x3fff;
	index = aid / 8;
	mask  = 1 << (aid & 7);

	indexn1 = tim->bitmap_ctrl & 0xfe;
	indexn2 = tim_len + indexn1 - 4;

	if (index < indexn1 || index > indexn2)
		return false;

	index -= indexn1;

	return !!(tim->virtual_map[index] & mask);
}

/**
 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
 * @skb: the skb containing the frame, length will not be checked
 *
 * This function assumes the frame is a data frame, and that the network header
 * is in the correct place.
 */
static inline int ieee80211_get_tdls_action(struct sk_buff *skb)
{
	if (!skb_is_nonlinear(skb) &&
	    skb->len > (skb_network_offset(skb) + 2)) {
		/* Point to where the indication of TDLS should start */
		const u8 *tdls_data = skb_network_header(skb) - 2;

		if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
		    tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
		    tdls_data[3] == WLAN_CATEGORY_TDLS)
			return tdls_data[4];
	}

	return -1;
}

/* convert time units */
#define TU_TO_JIFFIES(x)	(usecs_to_jiffies((x) * 1024))
#define TU_TO_EXP_TIME(x)	(jiffies + TU_TO_JIFFIES(x))

/* convert frequencies */
#define MHZ_TO_KHZ(freq) ((freq) * 1000)
#define KHZ_TO_MHZ(freq) ((freq) / 1000)
#define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
#define KHZ_F "%d.%03d"

/* convert powers */
#define DBI_TO_MBI(gain) ((gain) * 100)
#define MBI_TO_DBI(gain) ((gain) / 100)
#define DBM_TO_MBM(gain) ((gain) * 100)
#define MBM_TO_DBM(gain) ((gain) / 100)

/**
 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
 * @skb: the skb containing the frame, length will be checked
 *
 * This function checks if it's either TPC report action frame or Link
 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
 * and 8.5.7.5 accordingly.
 */
static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
{
	struct ieee80211_mgmt *mgmt = (void *)skb->data;

	if (!ieee80211_is_action(mgmt->frame_control))
		return false;

	if (skb->len < IEEE80211_MIN_ACTION_SIZE +
		       sizeof(mgmt->u.action.u.tpc_report))
		return false;

	/*
	 * TPC report - check that:
	 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
	 * spectrum management action = 3 (TPC/Link Measurement report)
	 * TPC report EID = 35
	 * TPC report element length = 2
	 *
	 * The spectrum management's tpc_report struct is used here both for
	 * parsing tpc_report and radio measurement's link measurement report
	 * frame, since the relevant part is identical in both frames.
	 */
	if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
	    mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
		return false;

	/* both spectrum mgmt and link measurement have same action code */
	if (mgmt->u.action.u.tpc_report.action_code !=
	    WLAN_ACTION_SPCT_TPC_RPRT)
		return false;

	if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
	    mgmt->u.action.u.tpc_report.tpc_elem_length !=
	    sizeof(struct ieee80211_tpc_report_ie))
		return false;

	return true;
}

static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
{
	struct ieee80211_mgmt *mgmt = (void *)skb->data;

	if (skb->len < IEEE80211_MIN_ACTION_SIZE)
		return false;

	if (!ieee80211_is_action(mgmt->frame_control))
		return false;

	if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
	    mgmt->u.action.u.wnm_timing_msr.action_code ==
		WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
	    skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
		return true;

	return false;
}

static inline bool ieee80211_is_ftm(struct sk_buff *skb)
{
	struct ieee80211_mgmt *mgmt = (void *)skb->data;

	if (!ieee80211_is_public_action((void *)mgmt, skb->len))
		return false;

	if (mgmt->u.action.u.ftm.action_code ==
		WLAN_PUB_ACTION_FTM_RESPONSE &&
	    skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
		return true;

	return false;
}

struct element {
	u8 id;
	u8 datalen;
	u8 data[];
} __packed;

/* element iteration helpers */
#define for_each_element(_elem, _data, _datalen)			\
	for (_elem = (const struct element *)(_data);			\
	     (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=	\
		(int)sizeof(*_elem) &&					\
	     (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=	\
		(int)sizeof(*_elem) + _elem->datalen;			\
	     _elem = (const struct element *)(_elem->data + _elem->datalen))

#define for_each_element_id(element, _id, data, datalen)		\
	for_each_element(element, data, datalen)			\
		if (element->id == (_id))

#define for_each_element_extid(element, extid, _data, _datalen)		\
	for_each_element(element, _data, _datalen)			\
		if (element->id == WLAN_EID_EXTENSION &&		\
		    element->datalen > 0 &&				\
		    element->data[0] == (extid))

#define for_each_subelement(sub, element)				\
	for_each_element(sub, (element)->data, (element)->datalen)

#define for_each_subelement_id(sub, id, element)			\
	for_each_element_id(sub, id, (element)->data, (element)->datalen)

#define for_each_subelement_extid(sub, extid, element)			\
	for_each_element_extid(sub, extid, (element)->data, (element)->datalen)

/**
 * for_each_element_completed - determine if element parsing consumed all data
 * @element: element pointer after for_each_element() or friends
 * @data: same data pointer as passed to for_each_element() or friends
 * @datalen: same data length as passed to for_each_element() or friends
 *
 * This function returns %true if all the data was parsed or considered
 * while walking the elements. Only use this if your for_each_element()
 * loop cannot be broken out of, otherwise it always returns %false.
 *
 * If some data was malformed, this returns %false since the last parsed
 * element will not fill the whole remaining data.
 */
static inline bool for_each_element_completed(const struct element *element,
					      const void *data, size_t datalen)
{
	return (const u8 *)element == (const u8 *)data + datalen;
}

/*
 * RSNX Capabilities:
 * bits 0-3: Field length (n-1)
 */
#define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
#define WLAN_RSNX_CAPA_SAE_H2E BIT(5)

/*
 * reduced neighbor report, based on Draft P802.11ax_D6.1,
 * section 9.4.2.170 and accepted contributions.
 */
#define IEEE80211_AP_INFO_TBTT_HDR_TYPE				0x03
#define IEEE80211_AP_INFO_TBTT_HDR_FILTERED			0x04
#define IEEE80211_AP_INFO_TBTT_HDR_COLOC			0x08
#define IEEE80211_AP_INFO_TBTT_HDR_COUNT			0xF0
#define IEEE80211_TBTT_INFO_TYPE_TBTT				0
#define IEEE80211_TBTT_INFO_TYPE_MLD				1

#define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED		0x01
#define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID			0x02
#define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID			0x04
#define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID		0x08
#define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS			0x10
#define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE			0x20
#define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP			0x40

#define IEEE80211_RNR_TBTT_PARAMS_PSD_NO_LIMIT			127
#define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED			-128

struct ieee80211_neighbor_ap_info {
	u8 tbtt_info_hdr;
	u8 tbtt_info_len;
	u8 op_class;
	u8 channel;
} __packed;

enum ieee80211_range_params_max_total_ltf {
	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
};

/*
 * reduced neighbor report, based on Draft P802.11be_D3.0,
 * section 9.4.2.170.2.
 */
struct ieee80211_rnr_mld_params {
	u8 mld_id;
	__le16 params;
} __packed;

#define IEEE80211_RNR_MLD_PARAMS_LINK_ID			0x000F
#define IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT		0x0FF0
#define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED		0x1000
#define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK			0x2000

/* Format of the TBTT information element if it has 7, 8 or 9 bytes */
struct ieee80211_tbtt_info_7_8_9 {
	u8 tbtt_offset;
	u8 bssid[ETH_ALEN];

	/* The following element is optional, structure may not grow */
	u8 bss_params;
	s8 psd_20;
} __packed;

/* Format of the TBTT information element if it has >= 11 bytes */
struct ieee80211_tbtt_info_ge_11 {
	u8 tbtt_offset;
	u8 bssid[ETH_ALEN];
	__le32 short_ssid;

	/* The following elements are optional, structure may grow */
	u8 bss_params;
	s8 psd_20;
	struct ieee80211_rnr_mld_params mld_params;
} __packed;

/* multi-link device */
#define IEEE80211_MLD_MAX_NUM_LINKS	15

#define IEEE80211_ML_CONTROL_TYPE			0x0007
#define IEEE80211_ML_CONTROL_TYPE_BASIC			0
#define IEEE80211_ML_CONTROL_TYPE_PREQ			1
#define IEEE80211_ML_CONTROL_TYPE_RECONF		2
#define IEEE80211_ML_CONTROL_TYPE_TDLS			3
#define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS		4
#define IEEE80211_ML_CONTROL_PRESENCE_MASK		0xfff0

struct ieee80211_multi_link_elem {
	__le16 control;
	u8 variable[];
} __packed;

#define IEEE80211_MLC_BASIC_PRES_LINK_ID		0x0010
#define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT	0x0020
#define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY		0x0040
#define IEEE80211_MLC_BASIC_PRES_EML_CAPA		0x0080
#define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP		0x0100
#define IEEE80211_MLC_BASIC_PRES_MLD_ID			0x0200

#define IEEE80211_MED_SYNC_DELAY_DURATION		0x00ff
#define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH	0x0f00
#define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS	0xf000

/*
 * Described in P802.11be_D3.0
 * dot11MSDTimerDuration should default to 5484 (i.e. 171.375)
 * dot11MSDOFDMEDthreshold defaults to -72 (i.e. 0)
 * dot11MSDTXOPMAX defaults to 1
 */
#define IEEE80211_MED_SYNC_DELAY_DEFAULT		0x10ac

#define IEEE80211_EML_CAP_EMLSR_SUPP			0x0001
#define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY		0x000e
#define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US		0
#define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US		1
#define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US		2
#define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US		3
#define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US		4
#define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY	0x0070
#define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US		0
#define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US		1
#define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US		2
#define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US		3
#define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US		4
#define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US		5
#define IEEE80211_EML_CAP_EMLMR_SUPPORT			0x0080
#define IEEE80211_EML_CAP_EMLMR_DELAY			0x0700
#define  IEEE80211_EML_CAP_EMLMR_DELAY_0US			0
#define  IEEE80211_EML_CAP_EMLMR_DELAY_32US			1
#define  IEEE80211_EML_CAP_EMLMR_DELAY_64US			2
#define  IEEE80211_EML_CAP_EMLMR_DELAY_128US			3
#define  IEEE80211_EML_CAP_EMLMR_DELAY_256US			4
#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT		0x7800
#define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0			0
#define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US		1
#define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US		2
#define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US		3
#define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU		4
#define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU		5
#define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU		6
#define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU		7
#define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU		8
#define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU		9
#define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU		10
#define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU		11

#define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS		0x000f
#define IEEE80211_MLD_CAP_OP_SRS_SUPPORT		0x0010
#define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP	0x0060
#define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND		0x0f80
#define IEEE80211_MLD_CAP_OP_AAR_SUPPORT		0x1000

struct ieee80211_mle_basic_common_info {
	u8 len;
	u8 mld_mac_addr[ETH_ALEN];
	u8 variable[];
} __packed;

#define IEEE80211_MLC_PREQ_PRES_MLD_ID			0x0010

struct ieee80211_mle_preq_common_info {
	u8 len;
	u8 variable[];
} __packed;

#define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR		0x0010

/* no fixed fields in RECONF */

struct ieee80211_mle_tdls_common_info {
	u8 len;
	u8 ap_mld_mac_addr[ETH_ALEN];
} __packed;

#define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR	0x0010

/* no fixed fields in PRIO_ACCESS */

/**
 * ieee80211_mle_common_size - check multi-link element common size
 * @data: multi-link element, must already be checked for size using
 *	ieee80211_mle_size_ok()
 */
static inline u8 ieee80211_mle_common_size(const u8 *data)
{
	const struct ieee80211_multi_link_elem *mle = (const void *)data;
	u16 control = le16_to_cpu(mle->control);
	u8 common = 0;

	switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
	case IEEE80211_ML_CONTROL_TYPE_BASIC:
	case IEEE80211_ML_CONTROL_TYPE_PREQ:
	case IEEE80211_ML_CONTROL_TYPE_TDLS:
	case IEEE80211_ML_CONTROL_TYPE_RECONF:
		/*
		 * The length is the first octet pointed by mle->variable so no
		 * need to add anything
		 */
		break;
	case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
		if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
			common += ETH_ALEN;
		return common;
	default:
		WARN_ON(1);
		return 0;
	}

	return sizeof(*mle) + common + mle->variable[0];
}

/**
 * ieee80211_mle_get_bss_param_ch_cnt - returns the BSS parameter change count
 * @mle: the basic multi link element
 *
 * The element is assumed to be of the correct type (BASIC) and big enough,
 * this must be checked using ieee80211_mle_type_ok().
 *
 * If the BSS parameter change count value can't be found (the presence bit
 * for it is clear), 0 will be returned.
 */
static inline u8
ieee80211_mle_get_bss_param_ch_cnt(const struct ieee80211_multi_link_elem *mle)
{
	u16 control = le16_to_cpu(mle->control);
	const u8 *common = mle->variable;

	/* common points now at the beginning of ieee80211_mle_basic_common_info */
	common += sizeof(struct ieee80211_mle_basic_common_info);

	if (!(control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT))
		return 0;

	if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
		common += 1;

	return *common;
}

/**
 * ieee80211_mle_get_eml_med_sync_delay - returns the medium sync delay
 * @data: pointer to the multi link EHT IE
 *
 * The element is assumed to be of the correct type (BASIC) and big enough,
 * this must be checked using ieee80211_mle_type_ok().
 *
 * If the medium synchronization is not present, then the default value is
 * returned.
 */
static inline u16 ieee80211_mle_get_eml_med_sync_delay(const u8 *data)
{
	const struct ieee80211_multi_link_elem *mle = (const void *)data;
	u16 control = le16_to_cpu(mle->control);
	const u8 *common = mle->variable;

	/* common points now at the beginning of ieee80211_mle_basic_common_info */
	common += sizeof(struct ieee80211_mle_basic_common_info);

	if (!(control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY))
		return IEEE80211_MED_SYNC_DELAY_DEFAULT;

	if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
		common += 1;
	if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
		common += 1;

	return get_unaligned_le16(common);
}

/**
 * ieee80211_mle_get_eml_cap - returns the EML capability
 * @data: pointer to the multi link EHT IE
 *
 * The element is assumed to be of the correct type (BASIC) and big enough,
 * this must be checked using ieee80211_mle_type_ok().
 *
 * If the EML capability is not present, 0 will be returned.
 */
static inline u16 ieee80211_mle_get_eml_cap(const u8 *data)
{
	const struct ieee80211_multi_link_elem *mle = (const void *)data;
	u16 control = le16_to_cpu(mle->control);
	const u8 *common = mle->variable;

	/* common points now at the beginning of ieee80211_mle_basic_common_info */
	common += sizeof(struct ieee80211_mle_basic_common_info);

	if (!(control & IEEE80211_MLC_BASIC_PRES_EML_CAPA))
		return 0;

	if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
		common += 1;
	if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
		common += 1;
	if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
		common += 2;

	return get_unaligned_le16(common);
}

/**
 * ieee80211_mle_size_ok - validate multi-link element size
 * @data: pointer to the element data
 * @len: length of the containing element
 */
static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
{
	const struct ieee80211_multi_link_elem *mle = (const void *)data;
	u8 fixed = sizeof(*mle);
	u8 common = 0;
	bool check_common_len = false;
	u16 control;

	if (!data || len < fixed)
		return false;

	control = le16_to_cpu(mle->control);

	switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
	case IEEE80211_ML_CONTROL_TYPE_BASIC:
		common += sizeof(struct ieee80211_mle_basic_common_info);
		check_common_len = true;
		if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
			common += 1;
		if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
			common += 1;
		if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
			common += 2;
		if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
			common += 2;
		if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
			common += 2;
		if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
			common += 1;
		break;
	case IEEE80211_ML_CONTROL_TYPE_PREQ:
		common += sizeof(struct ieee80211_mle_preq_common_info);
		if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
			common += 1;
		check_common_len = true;
		break;
	case IEEE80211_ML_CONTROL_TYPE_RECONF:
		if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
			common += ETH_ALEN;
		break;
	case IEEE80211_ML_CONTROL_TYPE_TDLS:
		common += sizeof(struct ieee80211_mle_tdls_common_info);
		check_common_len = true;
		break;
	case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
		if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
			common += ETH_ALEN;
		break;
	default:
		/* we don't know this type */
		return true;
	}

	if (len < fixed + common)
		return false;

	if (!check_common_len)
		return true;

	/* if present, common length is the first octet there */
	return mle->variable[0] >= common;
}

/**
 * ieee80211_mle_type_ok - validate multi-link element type and size
 * @data: pointer to the element data
 * @type: expected type of the element
 * @len: length of the containing element
 */
static inline bool ieee80211_mle_type_ok(const u8 *data, u8 type, size_t len)
{
	const struct ieee80211_multi_link_elem *mle = (const void *)data;
	u16 control;

	if (!ieee80211_mle_size_ok(data, len))
		return false;

	control = le16_to_cpu(mle->control);

	if (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE) == type)
		return true;

	return false;
}

enum ieee80211_mle_subelems {
	IEEE80211_MLE_SUBELEM_PER_STA_PROFILE		= 0,
	IEEE80211_MLE_SUBELEM_FRAGMENT		        = 254,
};

#define IEEE80211_MLE_STA_CONTROL_LINK_ID			0x000f
#define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE		0x0010
#define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT		0x0020
#define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT		0x0040
#define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT		0x0080
#define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT		0x0100
#define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT	0x0200
#define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE		0x0400
#define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT	0x0800

struct ieee80211_mle_per_sta_profile {
	__le16 control;
	u8 sta_info_len;
	u8 variable[];
} __packed;

/**
 * ieee80211_mle_basic_sta_prof_size_ok - validate basic multi-link element sta
 *	profile size
 * @data: pointer to the sub element data
 * @len: length of the containing sub element
 */
static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data,
							size_t len)
{
	const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
	u16 control;
	u8 fixed = sizeof(*prof);
	u8 info_len = 1;

	if (len < fixed)
		return false;

	control = le16_to_cpu(prof->control);

	if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
		info_len += 6;
	if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
		info_len += 2;
	if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
		info_len += 8;
	if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
		info_len += 2;
	if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
	    control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
		if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
			info_len += 2;
		else
			info_len += 1;
	}
	if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
		info_len += 1;

	return prof->sta_info_len >= info_len &&
	       fixed + prof->sta_info_len - 1 <= len;
}

/**
 * ieee80211_mle_basic_sta_prof_bss_param_ch_cnt - get per-STA profile BSS
 *	parameter change count
 * @prof: the per-STA profile, having been checked with
 *	ieee80211_mle_basic_sta_prof_size_ok() for the correct length
 *
 * Return: The BSS parameter change count value if present, 0 otherwise.
 */
static inline u8
ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile *prof)
{
	u16 control = le16_to_cpu(prof->control);
	const u8 *pos = prof->variable;

	if (!(control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT))
		return 0;

	if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
		pos += 6;
	if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
		pos += 2;
	if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
		pos += 8;
	if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
		pos += 2;
	if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
	    control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
		if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
			pos += 2;
		else
			pos += 1;
	}

	return *pos;
}

#define IEEE80211_MLE_STA_RECONF_CONTROL_LINK_ID			0x000f
#define IEEE80211_MLE_STA_RECONF_CONTROL_COMPLETE_PROFILE		0x0010
#define IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT		0x0020
#define IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT		0x0040
#define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_UPDATE_TYPE		0x0780
#define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT	0x0800

/**
 * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link
 *	element sta profile size.
 * @data: pointer to the sub element data
 * @len: length of the containing sub element
 */
static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data,
							 size_t len)
{
	const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
	u16 control;
	u8 fixed = sizeof(*prof);
	u8 info_len = 1;

	if (len < fixed)
		return false;

	control = le16_to_cpu(prof->control);

	if (control & IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT)
		info_len += ETH_ALEN;
	if (control & IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT)
		info_len += 2;
	if (control & IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT)
		info_len += 2;

	return prof->sta_info_len >= info_len &&
	       fixed + prof->sta_info_len - 1 <= len;
}

static inline bool ieee80211_tid_to_link_map_size_ok(const u8 *data, size_t len)
{
	const struct ieee80211_ttlm_elem *t2l = (const void *)data;
	u8 control, fixed = sizeof(*t2l), elem_len = 0;

	if (len < fixed)
		return false;

	control = t2l->control;

	if (control & IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT)
		elem_len += 2;
	if (control & IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT)
		elem_len += 3;

	if (!(control & IEEE80211_TTLM_CONTROL_DEF_LINK_MAP)) {
		u8 bm_size;

		elem_len += 1;
		if (len < fixed + elem_len)
			return false;

		if (control & IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE)
			bm_size = 1;
		else
			bm_size = 2;

		elem_len += hweight8(t2l->optional[0]) * bm_size;
	}

	return len >= fixed + elem_len;
}

#define for_each_mle_subelement(_elem, _data, _len)			\
	if (ieee80211_mle_size_ok(_data, _len))				\
		for_each_element(_elem,					\
				 _data + ieee80211_mle_common_size(_data),\
				 _len - ieee80211_mle_common_size(_data))

#endif /* LINUX_IEEE80211_H */
¿Qué es la limpieza dental de perros? - Clínica veterinaria


Es la eliminación del sarro y la placa adherida a la superficie de los dientes mediante un equipo de ultrasonidos que garantiza la integridad de las piezas dentales a la vez que elimina en profundidad cualquier resto de suciedad.

A continuación se procede al pulido de los dientes mediante una fresa especial que elimina la placa bacteriana y devuelve a los dientes el aspecto sano que deben tener.

Una vez terminado todo el proceso, se mantiene al perro en observación hasta que se despierta de la anestesia, bajo la atenta supervisión de un veterinario.

¿Cada cuánto tiempo tengo que hacerle una limpieza dental a mi perro?

A partir de cierta edad, los perros pueden necesitar una limpieza dental anual o bianual. Depende de cada caso. En líneas generales, puede decirse que los perros de razas pequeñas suelen acumular más sarro y suelen necesitar una atención mayor en cuanto a higiene dental.


Riesgos de una mala higiene


Los riesgos más evidentes de una mala higiene dental en los perros son los siguientes:

  • Cuando la acumulación de sarro no se trata, se puede producir una inflamación y retracción de las encías que puede descalzar el diente y provocar caídas.
  • Mal aliento (halitosis).
  • Sarro perros
  • Puede ir a más
  • Las bacterias de la placa pueden trasladarse a través del torrente circulatorio a órganos vitales como el corazón ocasionando problemas de endocarditis en las válvulas. Las bacterias pueden incluso acantonarse en huesos (La osteomielitis es la infección ósea, tanto cortical como medular) provocando mucho dolor y una artritis séptica).

¿Cómo se forma el sarro?

El sarro es la calcificación de la placa dental. Los restos de alimentos, junto con las bacterias presentes en la boca, van a formar la placa bacteriana o placa dental. Si la placa no se retira, al mezclarse con la saliva y los minerales presentes en ella, reaccionará formando una costra. La placa se calcifica y se forma el sarro.

El sarro, cuando se forma, es de color blanquecino pero a medida que pasa el tiempo se va poniendo amarillo y luego marrón.

Síntomas de una pobre higiene dental
La señal más obvia de una mala salud dental canina es el mal aliento.

Sin embargo, a veces no es tan fácil de detectar
Y hay perros que no se dejan abrir la boca por su dueño. Por ejemplo…

Recientemente nos trajeron a la clínica a un perro que parpadeaba de un ojo y decía su dueño que le picaba un lado de la cara. Tenía molestias y dificultad para comer, lo que había llevado a sus dueños a comprarle comida blanda (que suele ser un poco más cara y llevar más contenido en grasa) durante medio año. Después de una exploración oftalmológica, nos dimos cuenta de que el ojo tenía una úlcera en la córnea probablemente de rascarse . Además, el canto lateral del ojo estaba inflamado. Tenía lo que en humanos llamamos flemón pero como era un perro de pelo largo, no se le notaba a simple vista. Al abrirle la boca nos llamó la atención el ver una muela llena de sarro. Le realizamos una radiografía y encontramos una fístula que llegaba hasta la parte inferior del ojo.

Le tuvimos que extraer la muela. Tras esto, el ojo se curó completamente con unos colirios y una lentilla protectora de úlcera. Afortunadamente, la úlcera no profundizó y no perforó el ojo. Ahora el perro come perfectamente a pesar de haber perdido una muela.

¿Cómo mantener la higiene dental de tu perro?
Hay varias maneras de prevenir problemas derivados de la salud dental de tu perro.

Limpiezas de dientes en casa
Es recomendable limpiar los dientes de tu perro semanal o diariamente si se puede. Existe una gran variedad de productos que se pueden utilizar:

Pastas de dientes.
Cepillos de dientes o dedales para el dedo índice, que hacen más fácil la limpieza.
Colutorios para echar en agua de bebida o directamente sobre el diente en líquido o en spray.

En la Clínica Tus Veterinarios enseñamos a nuestros clientes a tomar el hábito de limpiar los dientes de sus perros desde que son cachorros. Esto responde a nuestro compromiso con la prevención de enfermedades caninas.

Hoy en día tenemos muchos clientes que limpian los dientes todos los días a su mascota, y como resultado, se ahorran el dinero de hacer limpiezas dentales profesionales y consiguen una mejor salud de su perro.


Limpiezas dentales profesionales de perros y gatos

Recomendamos hacer una limpieza dental especializada anualmente. La realizamos con un aparato de ultrasonidos que utiliza agua para quitar el sarro. Después, procedemos a pulir los dientes con un cepillo de alta velocidad y una pasta especial. Hacemos esto para proteger el esmalte.

La frecuencia de limpiezas dentales necesaria varía mucho entre razas. En general, las razas grandes tienen buena calidad de esmalte, por lo que no necesitan hacerlo tan a menudo e incluso pueden pasarse la vida sin requerir una limpieza. Sin embargo, razas pequeñas como el Yorkshire o el Maltés, deben hacérselas todos los años desde cachorros si se quiere conservar sus piezas dentales.

Otro factor fundamental es la calidad del pienso. Algunas marcas han diseñado croquetas que limpian la superficie del diente y de la muela al masticarse.

Ultrasonido para perros

¿Se necesita anestesia para las limpiezas dentales de perros y gatos?

La limpieza dental en perros no es una técnica que pueda practicarse sin anestesia general , aunque hay veces que los propietarios no quieren anestesiar y si tiene poco sarro y el perro es muy bueno se puede intentar…… , pero no se va a poder pulir ni acceder a todas la zona de la boca …. Además los limpiadores dentales van a irrigar agua y hay riesgo de aspiración a vías respiratorias si no se realiza una anestesia correcta con intubación traqueal . En resumen , sin anestesia no se va hacer una correcta limpieza dental.

Tampoco sirve la sedación ya que necesitamos que el animal esté totalmente quieto, y el veterinario tenga un acceso completo a todas sus piezas dentales y encías.

Alimentos para la limpieza dental

Hay que tener cierto cuidado a la hora de comprar determinados alimentos porque no todos son saludables. Algunos tienen demasiado contenido graso, que en exceso puede causar problemas cardiovasculares y obesidad.

Los mejores alimentos para los dientes son aquellos que están elaborados por empresas farmacéuticas y llevan componentes químicos con tratamientos específicos para el diente del perro. Esto implica no solo limpieza a través de la acción mecánica de morder sino también un tratamiento antibacteriano para prevenir el sarro.

Conclusión

Si eres como la mayoría de dueños, por falta de tiempo , es probable que no estés prestando la suficiente atención a la limpieza dental de tu perro. Por eso te animamos a que comiences a limpiar los dientes de tu perro y consideres atender a su higiene bucal con frecuencia.

Estas simples medidas pueden conllevar a que tu perro tenga una vida más larga y mucho más saludable.

Si te resulta imposible introducir un cepillo de dientes a tu perro en la boca, pásate con él por clínica Tus Veterinarios y te explicamos cómo hacerlo.

Necesitas hacer una limpieza dental profesional a tu mascota?
Llámanos al 622575274 o contacta con nosotros

Deja un comentario

Tu dirección de correo electrónico no será publicada. Los campos obligatorios están marcados con *

¡Hola!