ieee80211.h 76.7 KB
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/*
 * IEEE 802.11 defines
 *
 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
 * <jkmaline@cc.hut.fi>
 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
 * Copyright (c) 2005, Devicescape Software, Inc.
 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
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 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
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 * Copyright (c) 2016 Intel Deutschland GmbH
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 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

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#ifndef LINUX_IEEE80211_H
#define LINUX_IEEE80211_H
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#include <linux/types.h>
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#include <linux/if_ether.h>
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#include <linux/etherdevice.h>
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#include <asm/byteorder.h>
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#include <asm/unaligned.h>
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/*
 * 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)
 */

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#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
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#define IEEE80211_FCTL_CTL_EXT		0x0f00
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#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
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#define IEEE80211_FTYPE_EXT		0x000c
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/* 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 */
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#define IEEE80211_STYPE_CTL_EXT		0x0060
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#define IEEE80211_STYPE_BACK_REQ	0x0080
#define IEEE80211_STYPE_BACK		0x0090
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#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

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

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

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static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
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{
	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)

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/* miscellaneous IEEE 802.11 constants */
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#define IEEE80211_MAX_FRAG_THRESHOLD	2352
#define IEEE80211_MAX_RTS_THRESHOLD	2353
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#define IEEE80211_MAX_AID		2007
#define IEEE80211_MAX_TIM_LEN		251
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#define IEEE80211_MAX_MESH_PEERINGS	63
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/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
   6.2.1.1.2.

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   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
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/* 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
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/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
#define IEEE80211_MAX_FRAME_LEN		2352
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/* Maximal size of an A-MSDU that can be transported in a HT BA session */
#define IEEE80211_MAX_MPDU_LEN_HT_BA		4095

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/* 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

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#define IEEE80211_MAX_SSID_LEN		32
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#define IEEE80211_MAX_MESH_ID_LEN	32
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#define IEEE80211_FIRST_TSPEC_TSID	8
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#define IEEE80211_NUM_TIDS		16

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

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#define IEEE80211_QOS_CTL_LEN		2
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/* 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
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#define IEEE80211_QOS_CTL_ACK_POLICY_MASK	0x0060
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/* A-MSDU 802.11n */
#define IEEE80211_QOS_CTL_A_MSDU_PRESENT	0x0080
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/* Mesh Control 802.11s */
#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
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/* Mesh Power Save Level */
#define IEEE80211_QOS_CTL_MESH_PS_LEVEL		0x0200
/* Mesh Receiver Service Period Initiated */
#define IEEE80211_QOS_CTL_RSPI			0x0400

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

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#define IEEE80211_HT_CTL_LEN		4

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struct ieee80211_hdr {
	__le16 frame_control;
	__le16 duration_id;
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	u8 addr1[ETH_ALEN];
	u8 addr2[ETH_ALEN];
	u8 addr3[ETH_ALEN];
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	__le16 seq_ctrl;
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	u8 addr4[ETH_ALEN];
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} __packed __aligned(2);
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struct ieee80211_hdr_3addr {
	__le16 frame_control;
	__le16 duration_id;
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	u8 addr1[ETH_ALEN];
	u8 addr2[ETH_ALEN];
	u8 addr3[ETH_ALEN];
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	__le16 seq_ctrl;
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} __packed __aligned(2);
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struct ieee80211_qos_hdr {
	__le16 frame_control;
	__le16 duration_id;
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	u8 addr1[ETH_ALEN];
	u8 addr2[ETH_ALEN];
	u8 addr3[ETH_ALEN];
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	__le16 seq_ctrl;
	__le16 qos_ctrl;
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} __packed __aligned(2);
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/**
 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 * @fc: frame control bytes in little-endian byteorder
 */
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static inline bool ieee80211_has_tods(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_has_fromds(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_has_a4(__le16 fc)
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{
	__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
 */
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static inline bool ieee80211_has_morefrags(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_has_retry(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_has_pm(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_has_moredata(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_has_protected(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_has_order(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_mgmt(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_ctl(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_data(__le16 fc)
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{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_DATA);
}

/**
 * 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
 */
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static inline bool ieee80211_is_data_qos(__le16 fc)
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{
	/*
	 * 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
 */
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static inline bool ieee80211_is_data_present(__le16 fc)
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{
	/*
	 * 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
 */
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static inline bool ieee80211_is_assoc_req(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_assoc_resp(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_reassoc_req(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_reassoc_resp(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_probe_req(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_probe_resp(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_beacon(__le16 fc)
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{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
}

/**
 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 * @fc: frame control bytes in little-endian byteorder
 */
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static inline bool ieee80211_is_atim(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_disassoc(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_auth(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_deauth(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_action(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_back_req(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_back(__le16 fc)
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{
	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
 */
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static inline bool ieee80211_is_pspoll(__le16 fc)
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{
	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
 */
556
static inline bool ieee80211_is_rts(__le16 fc)
557 558 559 560 561 562 563 564 565
{
	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
 */
566
static inline bool ieee80211_is_cts(__le16 fc)
567 568 569 570 571 572 573 574 575
{
	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
 */
576
static inline bool ieee80211_is_ack(__le16 fc)
577 578 579 580 581 582 583 584 585
{
	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
 */
586
static inline bool ieee80211_is_cfend(__le16 fc)
587 588 589 590 591 592 593 594 595
{
	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
 */
596
static inline bool ieee80211_is_cfendack(__le16 fc)
597 598 599 600 601 602
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
}

/**
603
 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
604 605
 * @fc: frame control bytes in little-endian byteorder
 */
606
static inline bool ieee80211_is_nullfunc(__le16 fc)
607 608 609 610
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
}
611

612 613 614 615
/**
 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 * @fc: frame control bytes in little-endian byteorder
 */
616
static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
617 618 619 620 621
{
	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
}

622 623 624 625 626 627 628 629 630 631 632 633 634 635
/**
 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 * @fc: frame control field in little-endian byteorder
 */
static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
{
	/* IEEE 802.11-2012, definition of "bufferable management frame";
	 * note that this ignores the IBSS special case. */
	return ieee80211_is_mgmt(fc) &&
	       (ieee80211_is_action(fc) ||
		ieee80211_is_disassoc(fc) ||
		ieee80211_is_deauth(fc));
}

636 637 638 639
/**
 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 */
640
static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
641 642 643 644
{
	return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
}

645 646 647 648 649 650 651 652 653 654
/**
 * 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);
}

655 656 657
struct ieee80211s_hdr {
	u8 flags;
	u8 ttl;
658
	__le32 seqnum;
659 660
	u8 eaddr1[ETH_ALEN];
	u8 eaddr2[ETH_ALEN];
661
} __packed __aligned(2);
662

663 664 665
/* Mesh flags */
#define MESH_FLAGS_AE_A4 	0x1
#define MESH_FLAGS_AE_A5_A6	0x2
666
#define MESH_FLAGS_AE		0x3
667 668
#define MESH_FLAGS_PS_DEEP	0x4

669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688
/**
 * 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,
};

689 690 691 692 693 694 695 696 697 698
/**
 * struct ieee80211_quiet_ie
 *
 * This structure refers to "Quiet information element"
 */
struct ieee80211_quiet_ie {
	u8 count;
	u8 period;
	__le16 duration;
	__le16 offset;
699
} __packed;
700 701 702 703 704 705 706 707 708 709 710

/**
 * struct ieee80211_msrment_ie
 *
 * This structure refers to "Measurement Request/Report information element"
 */
struct ieee80211_msrment_ie {
	u8 token;
	u8 mode;
	u8 type;
	u8 request[0];
711
} __packed;
712 713 714 715 716 717 718 719 720 721

/**
 * struct ieee80211_channel_sw_ie
 *
 * This structure refers to "Channel Switch Announcement information element"
 */
struct ieee80211_channel_sw_ie {
	u8 mode;
	u8 new_ch_num;
	u8 count;
722
} __packed;
723

724 725 726 727 728 729 730 731 732 733 734 735
/**
 * struct ieee80211_ext_chansw_ie
 *
 * This structure represents the "Extended Channel Switch Announcement element"
 */
struct ieee80211_ext_chansw_ie {
	u8 mode;
	u8 new_operating_class;
	u8 new_ch_num;
	u8 count;
} __packed;

736 737 738 739 740 741 742 743 744 745
/**
 * 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;

746 747 748 749 750 751 752 753 754 755 756 757
/**
 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 *
 * This structure represents the "Mesh Channel Switch Paramters element"
 */
struct ieee80211_mesh_chansw_params_ie {
	u8 mesh_ttl;
	u8 mesh_flags;
	__le16 mesh_reason;
	__le16 mesh_pre_value;
} __packed;

758 759 760 761 762 763 764 765
/**
 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 */
struct ieee80211_wide_bw_chansw_ie {
	u8 new_channel_width;
	u8 new_center_freq_seg0, new_center_freq_seg1;
} __packed;

766 767 768 769 770 771 772 773 774 775
/**
 * struct ieee80211_tim
 *
 * This structure refers to "Traffic Indication Map information element"
 */
struct ieee80211_tim_ie {
	u8 dtim_count;
	u8 dtim_period;
	u8 bitmap_ctrl;
	/* variable size: 1 - 251 bytes */
776
	u8 virtual_map[1];
777
} __packed;
778

779 780 781 782 783 784 785 786 787 788 789 790 791
/**
 * struct ieee80211_meshconf_ie
 *
 * This structure refers to "Mesh Configuration information element"
 */
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;
792
} __packed;
793

794 795 796 797 798 799 800 801
/**
 * 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
802 803
 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 *	neighbors in deep sleep mode
804 805 806 807 808
 */
enum mesh_config_capab_flags {
	IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS		= 0x01,
	IEEE80211_MESHCONF_CAPAB_FORWARDING		= 0x08,
	IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING		= 0x20,
809
	IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL	= 0x40,
810 811
};

812 813 814 815 816 817 818 819
/**
 * 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)

820 821 822 823 824 825 826 827 828
/**
 * struct ieee80211_rann_ie
 *
 * This structure refers to "Root Announcement information element"
 */
struct ieee80211_rann_ie {
	u8 rann_flags;
	u8 rann_hopcount;
	u8 rann_ttl;
829
	u8 rann_addr[ETH_ALEN];
830 831 832
	__le32 rann_seq;
	__le32 rann_interval;
	__le32 rann_metric;
833
} __packed;
834

835 836 837 838
enum ieee80211_rann_flags {
	RANN_FLAG_IS_GATE = 1 << 0,
};

839 840 841 842 843
enum ieee80211_ht_chanwidth_values {
	IEEE80211_HT_CHANWIDTH_20MHZ = 0,
	IEEE80211_HT_CHANWIDTH_ANY = 1,
};

844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867
/**
 * enum ieee80211_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_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	= 3,
	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_RX_NSS_MASK	= 0x70,
	IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT	= 4,
	IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF	= 0x80,
};

868
#define WLAN_SA_QUERY_TR_ID_LEN 2
869 870
#define WLAN_MEMBERSHIP_LEN 8
#define WLAN_USER_POSITION_LEN 16
871

872 873 874 875 876 877 878 879 880 881
/**
 * struct ieee80211_tpc_report_ie
 *
 * This structure refers to "TPC Report element"
 */
struct ieee80211_tpc_report_ie {
	u8 tx_power;
	u8 link_margin;
} __packed;

882 883 884
struct ieee80211_mgmt {
	__le16 frame_control;
	__le16 duration;
885 886 887
	u8 da[ETH_ALEN];
	u8 sa[ETH_ALEN];
	u8 bssid[ETH_ALEN];
888 889 890 891 892 893 894 895
	__le16 seq_ctrl;
	union {
		struct {
			__le16 auth_alg;
			__le16 auth_transaction;
			__le16 status_code;
			/* possibly followed by Challenge text */
			u8 variable[0];
896
		} __packed auth;
897 898
		struct {
			__le16 reason_code;
899
		} __packed deauth;
900 901 902 903 904
		struct {
			__le16 capab_info;
			__le16 listen_interval;
			/* followed by SSID and Supported rates */
			u8 variable[0];
905
		} __packed assoc_req;
906 907 908 909 910 911
		struct {
			__le16 capab_info;
			__le16 status_code;
			__le16 aid;
			/* followed by Supported rates */
			u8 variable[0];
912
		} __packed assoc_resp, reassoc_resp;
913 914 915
		struct {
			__le16 capab_info;
			__le16 listen_interval;
916
			u8 current_ap[ETH_ALEN];
917 918
			/* followed by SSID and Supported rates */
			u8 variable[0];
919
		} __packed reassoc_req;
920 921
		struct {
			__le16 reason_code;
922
		} __packed disassoc;
923 924 925 926 927 928 929
		struct {
			__le64 timestamp;
			__le16 beacon_int;
			__le16 capab_info;
			/* followed by some of SSID, Supported rates,
			 * FH Params, DS Params, CF Params, IBSS Params, TIM */
			u8 variable[0];
930
		} __packed beacon;
931 932 933
		struct {
			/* only variable items: SSID, Supported rates */
			u8 variable[0];
934
		} __packed probe_req;
935 936 937 938 939 940 941
		struct {
			__le64 timestamp;
			__le16 beacon_int;
			__le16 capab_info;
			/* followed by some of SSID, Supported rates,
			 * FH Params, DS Params, CF Params, IBSS Params */
			u8 variable[0];
942
		} __packed probe_resp;
943 944 945 946 947 948 949 950
		struct {
			u8 category;
			union {
				struct {
					u8 action_code;
					u8 dialog_token;
					u8 status_code;
					u8 variable[0];
951
				} __packed wme_action;
952 953
				struct{
					u8 action_code;
954
					u8 variable[0];
955
				} __packed chan_switch;
956 957 958 959 960
				struct{
					u8 action_code;
					struct ieee80211_ext_chansw_ie data;
					u8 variable[0];
				} __packed ext_chan_switch;
961 962 963 964 965 966
				struct{
					u8 action_code;
					u8 dialog_token;
					u8 element_id;
					u8 length;
					struct ieee80211_msrment_ie msr_elem;
967
				} __packed measurement;
968 969 970 971 972 973
				struct{
					u8 action_code;
					u8 dialog_token;
					__le16 capab;
					__le16 timeout;
					__le16 start_seq_num;
974
				} __packed addba_req;
975 976 977 978 979 980
				struct{
					u8 action_code;
					u8 dialog_token;
					__le16 status;
					__le16 capab;
					__le16 timeout;
981
				} __packed addba_resp;
982 983 984 985
				struct{
					u8 action_code;
					__le16 params;
					__le16 reason_code;
986
				} __packed delba;
987 988 989
				struct {
					u8 action_code;
					u8 variable[0];
990
				} __packed self_prot;
991 992 993
				struct{
					u8 action_code;
					u8 variable[0];
994
				} __packed mesh_action;
995 996 997
				struct {
					u8 action;
					u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
998
				} __packed sa_query;
999 1000 1001
				struct {
					u8 action;
					u8 smps_control;
1002
				} __packed ht_smps;
1003 1004 1005 1006
				struct {
					u8 action_code;
					u8 chanwidth;
				} __packed ht_notify_cw;
1007 1008 1009 1010 1011 1012
				struct {
					u8 action_code;
					u8 dialog_token;
					__le16 capability;
					u8 variable[0];
				} __packed tdls_discover_resp;
1013 1014 1015 1016
				struct {
					u8 action_code;
					u8 operating_mode;
				} __packed vht_opmode_notif;
1017 1018 1019 1020 1021
				struct {
					u8 action_code;
					u8 membership[WLAN_MEMBERSHIP_LEN];
					u8 position[WLAN_USER_POSITION_LEN];
				} __packed vht_group_notif;
1022 1023 1024 1025 1026 1027 1028
				struct {
					u8 action_code;
					u8 dialog_token;
					u8 tpc_elem_id;
					u8 tpc_elem_length;
					struct ieee80211_tpc_report_ie tpc;
				} __packed tpc_report;
1029 1030 1031 1032 1033 1034 1035 1036 1037 1038
				struct {
					u8 action_code;
					u8 dialog_token;
					u8 follow_up;
					u8 tod[6];
					u8 toa[6];
					__le16 tod_error;
					__le16 toa_error;
					u8 variable[0];
				} __packed ftm;
1039
			} u;
1040
		} __packed action;
1041
	} u;
1042
} __packed __aligned(2);
1043

1044 1045 1046
/* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
#define BSS_MEMBERSHIP_SELECTOR_HT_PHY	127

1047 1048 1049
/* mgmt header + 1 byte category code */
#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)

1050

1051 1052 1053 1054 1055 1056 1057
/* 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];
1058
} __packed;
1059

1060 1061 1062 1063 1064 1065 1066 1067 1068
/* 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;

1069 1070 1071 1072 1073 1074 1075
struct ieee80211_vendor_ie {
	u8 element_id;
	u8 len;
	u8 oui[3];
	u8 oui_type;
} __packed;

1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095
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;

1096 1097 1098 1099
/* Control frames */
struct ieee80211_rts {
	__le16 frame_control;
	__le16 duration;
1100 1101
	u8 ra[ETH_ALEN];
	u8 ta[ETH_ALEN];
1102
} __packed __aligned(2);
1103 1104 1105 1106

struct ieee80211_cts {
	__le16 frame_control;
	__le16 duration;
1107
	u8 ra[ETH_ALEN];
1108
} __packed __aligned(2);
1109

1110 1111 1112
struct ieee80211_pspoll {
	__le16 frame_control;
	__le16 aid;
1113 1114
	u8 bssid[ETH_ALEN];
	u8 ta[ETH_ALEN];
1115
} __packed __aligned(2);
1116

1117 1118
/* TDLS */

1119 1120 1121 1122 1123 1124
/* Channel switch timing */
struct ieee80211_ch_switch_timing {
	__le16 switch_time;
	__le16 switch_timeout;
} __packed;

1125 1126 1127 1128
/* Link-id information element */
struct ieee80211_tdls_lnkie {
	u8 ie_type; /* Link Identifier IE */
	u8 ie_len;
1129 1130 1131
	u8 bssid[ETH_ALEN];
	u8 init_sta[ETH_ALEN];
	u8 resp_sta[ETH_ALEN];
1132 1133 1134
} __packed;

struct ieee80211_tdls_data {
1135 1136
	u8 da[ETH_ALEN];
	u8 sa[ETH_ALEN];
1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165
	__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;
1166 1167 1168 1169 1170 1171 1172 1173 1174
		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;
1175 1176 1177
	} u;
} __packed;

1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209
/*
 * 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
};

1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229
/* 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

1230 1231 1232 1233 1234 1235 1236 1237 1238
/**
 * struct ieee80211_bar - HT Block Ack Request
 *
 * This structure refers to "HT BlockAckReq" as
 * described in 802.11n draft section 7.2.1.7.1
 */
struct ieee80211_bar {
	__le16 frame_control;
	__le16 duration;
1239 1240
	__u8 ra[ETH_ALEN];
	__u8 ta[ETH_ALEN];
1241 1242
	__le16 control;
	__le16 start_seq_num;
1243
} __packed;
1244

1245
/* 802.11 BAR control masks */
1246 1247 1248 1249 1250
#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
1251 1252 1253 1254 1255 1256

#define IEEE80211_HT_MCS_MASK_LEN		10

/**
 * struct ieee80211_mcs_info - MCS information
 * @rx_mask: RX mask
1257 1258 1259 1260
 * @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.
1261 1262 1263 1264 1265 1266 1267
 * @tx_params: TX parameters
 */
struct ieee80211_mcs_info {
	u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
	__le16 rx_highest;
	u8 tx_params;
	u8 reserved[3];
1268
} __packed;
1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290

/* 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

/*
 * 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)

1291 1292 1293
/**
 * struct ieee80211_ht_cap - HT capabilities
 *
1294 1295
 * This structure is the "HT capabilities element" as
 * described in 802.11n D5.0 7.3.2.57
1296 1297 1298 1299
 */
struct ieee80211_ht_cap {
	__le16 cap_info;
	u8 ampdu_params_info;
1300 1301 1302 1303

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

1304 1305 1306
	__le16 extended_ht_cap_info;
	__le32 tx_BF_cap_info;
	u8 antenna_selection_info;
1307
} __packed;
1308

1309 1310 1311 1312
/* 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
1313
#define		IEEE80211_HT_CAP_SM_PS_SHIFT	2
1314 1315 1316 1317 1318
#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
1319
#define		IEEE80211_HT_CAP_RX_STBC_SHIFT	8
1320 1321 1322
#define IEEE80211_HT_CAP_DELAY_BA		0x0400
#define IEEE80211_HT_CAP_MAX_AMSDU		0x0800
#define IEEE80211_HT_CAP_DSSSCCK40		0x1000
1323
#define IEEE80211_HT_CAP_RESERVED		0x2000
1324 1325 1326
#define IEEE80211_HT_CAP_40MHZ_INTOLERANT	0x4000
#define IEEE80211_HT_CAP_LSIG_TXOP_PROT		0x8000

1327 1328 1329 1330 1331 1332 1333 1334 1335
/* 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

1336 1337 1338
/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
#define IEEE80211_HT_AMPDU_PARM_FACTOR		0x03
#define IEEE80211_HT_AMPDU_PARM_DENSITY		0x1C
1339
#define		IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT	2
1340

1341
/*
1342
 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1343 1344 1345 1346 1347 1348 1349 1350 1351
 * 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
};

1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366
/*
 * 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
};

1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380
#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 */
};

1381
/**
1382
 * struct ieee80211_ht_operation - HT operation IE
1383
 *
1384 1385
 * This structure is the "HT operation element" as
 * described in 802.11n-2009 7.3.2.57
1386
 */
1387 1388
struct ieee80211_ht_operation {
	u8 primary_chan;
1389 1390 1391 1392
	u8 ht_param;
	__le16 operation_mode;
	__le16 stbc_param;
	u8 basic_set[16];
1393
} __packed;
1394

1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419
/* 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

/* 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

1420

1421
/* block-ack parameters */
1422
#define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1423 1424
#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1425
#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436
#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800

/*
 * A-PMDU buffer sizes
 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
 */
#define IEEE80211_MIN_AMPDU_BUF 0x8
#define IEEE80211_MAX_AMPDU_BUF 0x40


1437
/* Spatial Multiplexing Power Save Modes (for capability) */
1438 1439 1440 1441
#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
1442

1443 1444 1445 1446 1447
/* 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

1448 1449 1450 1451 1452 1453 1454
/**
 * 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.
1455
 *	The top 3 bits of this field are reserved.
1456 1457 1458 1459 1460
 * @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.
1461
 *	The top 3 bits of this field are reserved.
1462 1463 1464 1465 1466 1467 1468 1469
 */
struct ieee80211_vht_mcs_info {
	__le16 rx_mcs_map;
	__le16 rx_highest;
	__le16 tx_mcs_map;
	__le16 tx_highest;
} __packed;

1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490
/**
 * 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,
};

1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503
/**
 * 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;

1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518
/**
 * 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,
};

1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536
/**
 * 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_seg1_idx: center freq segment 1 index
 * @center_freq_seg2_idx: center freq segment 2 index
 * @basic_mcs_set: VHT Basic MCS rate set
 */
struct ieee80211_vht_operation {
	u8 chan_width;
	u8 center_freq_seg1_idx;
	u8 center_freq_seg2_idx;
	__le16 basic_mcs_set;
} __packed;


1537
/* 802.11ac VHT Capabilities */
1538 1539 1540
#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
1541
#define IEEE80211_VHT_CAP_MAX_MPDU_MASK				0x00000003
1542 1543
#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ		0x00000004
#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ	0x00000008
1544
#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK			0x0000000C
1545 1546 1547 1548 1549 1550 1551 1552
#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
1553
#define IEEE80211_VHT_CAP_RXSTBC_MASK				0x00000700
1554 1555
#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE			0x00000800
#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE			0x00001000
1556 1557 1558 1559 1560 1561
#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)
1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572
#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
1573

1574 1575 1576
/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
1577
#define WLAN_AUTH_FT 2
1578
#define WLAN_AUTH_SAE 3
1579
#define WLAN_AUTH_LEAP 128
1580 1581 1582 1583 1584

#define WLAN_AUTH_CHALLENGE_LEN 128

#define WLAN_CAPABILITY_ESS		(1<<0)
#define WLAN_CAPABILITY_IBSS		(1<<1)
1585

1586 1587 1588 1589 1590 1591
/*
 * 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)	\
1592 1593
	(!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))

1594 1595 1596 1597 1598 1599
#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)
1600

1601 1602 1603 1604
/* 802.11h */
#define WLAN_CAPABILITY_SPECTRUM_MGMT	(1<<8)
#define WLAN_CAPABILITY_QOS		(1<<9)
#define WLAN_CAPABILITY_SHORT_SLOT_TIME	(1<<10)
1605 1606
#define WLAN_CAPABILITY_APSD		(1<<11)
#define WLAN_CAPABILITY_RADIO_MEASURE	(1<<12)
1607
#define WLAN_CAPABILITY_DSSS_OFDM	(1<<13)
1608 1609
#define WLAN_CAPABILITY_DEL_BACK	(1<<14)
#define WLAN_CAPABILITY_IMM_BACK	(1<<15)
1610 1611 1612

/* DMG (60gHz) 802.11ad */
/* type - bits 0..1 */
1613
#define WLAN_CAPABILITY_DMG_TYPE_MASK		(3<<0)
1614 1615 1616 1617 1618
#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)
1619
#define WLAN_CAPABILITY_DMG_CBAP_SOURCE		(1<<3)
1620 1621 1622 1623 1624 1625
#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)

1626 1627 1628 1629 1630 1631 1632 1633 1634
/* 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

1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645
/* 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,
};

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/* 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 */
};

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/* 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,
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	/* 802.11w */
	WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
	WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
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	/* 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,
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	/* 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,
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	/* 802.11s */
	WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
	WLAN_STATUS_FCG_NOT_SUPP = 78,
	WLAN_STATUS_STA_NO_TBTT = 78,
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	/* 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,
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};


/* 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,
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	/* TDLS (802.11z) */
	WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
	WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
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	/* 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,
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	/* 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,
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};


/* Information Element IDs */
enum ieee80211_eid {
	WLAN_EID_SSID = 0,
	WLAN_EID_SUPP_RATES = 1,
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	WLAN_EID_FH_PARAMS = 2, /* reserved now */
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	WLAN_EID_DS_PARAMS = 3,
	WLAN_EID_CF_PARAMS = 4,
	WLAN_EID_TIM = 5,
	WLAN_EID_IBSS_PARAMS = 6,
	WLAN_EID_COUNTRY = 7,
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	/* 8, 9 reserved */
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	WLAN_EID_REQUEST = 10,
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	WLAN_EID_QBSS_LOAD = 11,
	WLAN_EID_EDCA_PARAM_SET = 12,
	WLAN_EID_TSPEC = 13,
	WLAN_EID_TCLAS = 14,
	WLAN_EID_SCHEDULE = 15,
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	WLAN_EID_CHALLENGE = 16,
	/* 17-31 reserved for challenge text extension */
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	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,
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	WLAN_EID_TS_DELAY = 43,
	WLAN_EID_TCLAS_PROCESSING = 44,
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	WLAN_EID_HT_CAPABILITY = 45,
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	WLAN_EID_QOS_CAPA = 46,
	/* 47 reserved for Broadcom */
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	WLAN_EID_RSN = 48,
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	WLAN_EID_802_15_COEX = 49,
	WLAN_EID_EXT_SUPP_RATES = 50,
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	WLAN_EID_AP_CHAN_REPORT = 51,
	WLAN_EID_NEIGHBOR_REPORT = 52,
	WLAN_EID_RCPI = 53,
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	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,
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	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,
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	WLAN_EID_TIME_ADVERTISEMENT = 69,
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	WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
	WLAN_EID_MULTIPLE_BSSID = 71,
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	WLAN_EID_BSS_COEX_2040 = 72,
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	WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1841
	WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
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	WLAN_EID_RIC_DESCRIPTOR = 75,
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	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,
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	WLAN_EID_NON_TX_BSSID_CAP =  83,
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	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_C