/*
* IEEE 802.11 defines
*
* Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
* <jkmaline@cc.hut.fi>
* Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
* Copyright (c) 2005, Devicescape Software, Inc.
* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef LINUX_IEEE80211_H
#define LINUX_IEEE80211_H
#include <linux/types.h>
#include <linux/if_ether.h>
#include <asm/byteorder.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_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
/* 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)
static inline int 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_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
#define IEEE80211_MAX_SSID_LEN 32
#define IEEE80211_MAX_MESH_ID_LEN 32
#define IEEE80211_NUM_TIDS 16
#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
struct ieee80211_hdr {
__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];
} __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);
/**
* ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
* @fc: frame control bytes in little-endian byteorder
*/
static inline int 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 int 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 int 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 int 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 int 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 int 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 int 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 int 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 int 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 int 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 int 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 int ieee80211_is_data(__le16 fc)
{
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
*/
static inline int 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 int 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 int 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 int 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 int 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 int 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 int 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 int 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 int 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_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
* @fc: frame control bytes in little-endian byteorder
*/
static inline int 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 int 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 int 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 int 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 int 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 int 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 int 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 int 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 int 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 int 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 int 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 int 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 int 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 int 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 int 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_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));
}
/**
* ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
* @seq_ctrl: frame sequence control bytes in little-endian byteorder
*/
static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
{
return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
}
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
*
* This structure refers to "Quiet information element"
*/
struct ieee80211_quiet_ie {
u8 count;
u8 period;
__le16 duration;
__le16 offset;
} __packed;
/**
* 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];
} __packed;
/**
* 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;
} __packed;
/**
* 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;
/**
* 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
*
* 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;
/**
* 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;
/**
* 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 */
u8 virtual_map[1];
} __packed;
/**
* 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;
} __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
*/
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,
};
/**
* 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
*
* This structure refers to "Root Announcement information element"
*/
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_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,
};
#define WLAN_SA_QUERY_TR_ID_LEN 2
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[0];
} __packed auth;
struct {
__le16 reason_code;
} __packed deauth;
struct {
__le16 capab_info;
__le16 listen_interval;
/* followed by SSID and Supported rates */
u8 variable[0];
} __packed assoc_req;
struct {
__le16 capab_info;
__le16 status_code;
__le16 aid;
/* followed by Supported rates */
u8 variable[0];
} __packed assoc_resp, reassoc_resp;
struct {
__le16 capab_info;
__le16 listen_interval;
u8 current_ap[ETH_ALEN];
/* followed by SSID and Supported rates */
u8 variable[0];
} __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[0];
} __packed beacon;
struct {
/* only variable items: SSID, Supported rates */
u8 variable[0];
} __packed probe_req;
struct {
__le64 timestamp;
__le16 beacon_int;
__le16 capab_info;
/* followed by some of SSID, Supported rates,
* FH Params, DS Params, CF Params, IBSS Params */
u8 variable[0];
} __packed probe_resp;
struct {
u8 category;
union {
struct {
u8 action_code;
u8 dialog_token;
u8 status_code;
u8 variable[0];
} __packed wme_action;
struct{
u8 action_code;
u8 variable[0];
} __packed chan_switch;
struct{
u8 action_code;
struct ieee80211_ext_chansw_ie data;
u8 variable[0];
} __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;
} __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[0];
} __packed self_prot;
struct{
u8 action_code;
u8 variable[0];
} __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;
} u;
} __packed action;
} u;
} __packed __aligned(2);
/* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
#define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
/* 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;
struct ieee80211_vendor_ie {
u8 element_id;
u8 len;
u8 oui[3];
u8 oui_type;
} __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 */
/* 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;
} 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 - 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;
__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 - MCS information
* @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
*/
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
/*
* 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
*
* This structure is the "HT capabilities element" as
* described in 802.11n D5.0 7.3.2.57
*/
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.
* 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
};
#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
*
* This structure is the "HT operation element" as
* described in 802.11n-2009 7.3.2.57
*/
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
/* 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_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-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
/* 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 are reserved.
* @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 3 bits of this field are reserved.
*/
struct ieee80211_vht_mcs_info {
__le16 rx_mcs_map;
__le16 rx_highest;
__le16 tx_mcs_map;
__le16 tx_highest;
} __packed;
/**
* 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_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;
/* 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_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_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_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
/* 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_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
/* 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,
};
/* 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,
/* 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,
WLAN_EID_HP_PARAMS = 8,
WLAN_EID_HP_TABLE = 9,
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_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,
/* 149-150 reserved for Cisco */
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_VHT_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_VENDOR_SPECIFIC = 221,
WLAN_EID_QOS_PARAMETER = 222,
};
/* 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_HT = 7,
WLAN_CATEGORY_SA_QUERY = 8,
WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
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_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,
};
/* 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_TKIP = 32,
WLAN_KEY_LEN_AES_CMAC = 16,
WLAN_KEY_LEN_SMS4 = 32,
};
#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_TKIP_IV_LEN 8
#define IEEE80211_TKIP_ICV_LEN 4
#define IEEE80211_CMAC_PN_LEN 6
/* Public action codes */
enum ieee80211_pub_actioncode {
WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
};
/* 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,
};
/* 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_CAPA8_OPMODE_NOTIF BIT(6)
#define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(7)
/* TDLS specific payload type in the LLC/SNAP header */
#define WLAN_TDLS_SNAP_RFTYPE 0x2
/**
* enum - 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_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
IEEE80211_SYNC_METHOD_VENDOR = 255,
};
/**
* enum - 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_PATH_PROTOCOL_HWMP = 1,
IEEE80211_PATH_PROTOCOL_VENDOR = 255,
};
/**
* enum - 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_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;
/* 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,
};
/* cipher suite selectors */
#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
/* reserved: 0x000FAC03 */
#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
#define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
#define WLAN_CIPHER_SUITE_SMS4 0x00147201
/* AKM suite selectors */
#define WLAN_AKM_SUITE_8021X 0x000FAC01
#define WLAN_AKM_SUITE_PSK 0x000FAC02
#define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05
#define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06
#define WLAN_AKM_SUITE_TDLS 0x000FAC07
#define WLAN_AKM_SUITE_SAE 0x000FAC08
#define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
#define WLAN_MAX_KEY_LEN 32
#define WLAN_PMKID_LEN 16
#define WLAN_OUI_WFA 0x506f9a
#define WLAN_OUI_TYPE_WFA_P2P 9
#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
/*
* 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;
/**
* 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.
* 3 addr: 2 + 2 + 2 + 3*6 = 24
* 4 addr: 2 + 2 + 2 + 4*6 = 30
*/
static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
{
if (ieee80211_has_a4(hdr->frame_control))
return (u8 *)hdr + 30;
else
return (u8 *)hdr + 24;
}
/**
* 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_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_SELF_PROTECTED &&
*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 < 25)
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_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);
}
/* convert time units */
#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
#endif /* LINUX_IEEE80211_H */
