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kernel-aes67/include/linux/ieee80211.h

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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>
*
* 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 <asm/byteorder.h>
#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_SCTL_FRAG 0x000F
#define IEEE80211_SCTL_SEQ 0xFFF0
#define IEEE80211_FTYPE_MGMT 0x0000
#define IEEE80211_FTYPE_CTL 0x0004
#define IEEE80211_FTYPE_DATA 0x0008
/* 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_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
/* 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
/* 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
/* 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_MESH_CONFIG_LEN 19
#define IEEE80211_QOS_CTL_LEN 2
#define IEEE80211_QOS_CTL_TID_MASK 0x000F
#define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
struct ieee80211_hdr {
__le16 frame_control;
__le16 duration_id;
u8 addr1[6];
u8 addr2[6];
u8 addr3[6];
__le16 seq_ctrl;
u8 addr4[6];
} __attribute__ ((packed));
/**
* 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 FTYPE=IEEE80211_FTYPE_DATA and STYPE=IEEE80211_STYPE_NULLFUNC
* @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);
}
struct ieee80211s_hdr {
u8 flags;
u8 ttl;
__le32 seqnum;
u8 eaddr1[6];
u8 eaddr2[6];
u8 eaddr3[6];
} __attribute__ ((packed));
/* Mesh flags */
#define MESH_FLAGS_AE_A4 0x1
#define MESH_FLAGS_AE_A5_A6 0x2
#define MESH_FLAGS_PS_DEEP 0x4
/**
* struct ieee80211_quiet_ie
*
* This structure refers to "Quiet information element"
*/
struct ieee80211_quiet_ie {
u8 count;
u8 period;
__le16 duration;
__le16 offset;
} __attribute__ ((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];
} __attribute__ ((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;
} __attribute__ ((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[0];
} __attribute__ ((packed));
struct ieee80211_mgmt {
__le16 frame_control;
__le16 duration;
u8 da[6];
u8 sa[6];
u8 bssid[6];
__le16 seq_ctrl;
union {
struct {
__le16 auth_alg;
__le16 auth_transaction;
__le16 status_code;
/* possibly followed by Challenge text */
u8 variable[0];
} __attribute__ ((packed)) auth;
struct {
__le16 reason_code;
} __attribute__ ((packed)) deauth;
struct {
__le16 capab_info;
__le16 listen_interval;
/* followed by SSID and Supported rates */
u8 variable[0];
} __attribute__ ((packed)) assoc_req;
struct {
__le16 capab_info;
__le16 status_code;
__le16 aid;
/* followed by Supported rates */
u8 variable[0];
} __attribute__ ((packed)) assoc_resp, reassoc_resp;
struct {
__le16 capab_info;
__le16 listen_interval;
u8 current_ap[6];
/* followed by SSID and Supported rates */
u8 variable[0];
} __attribute__ ((packed)) reassoc_req;
struct {
__le16 reason_code;
} __attribute__ ((packed)) disassoc;
struct {
__le64 timestamp;
__le16 beacon_int;
__le16 capab_info;
/* followed by some of SSID, Supported rates,
* FH Params, DS Params, CF Params, IBSS Params, TIM */
u8 variable[0];
} __attribute__ ((packed)) beacon;
struct {
/* only variable items: SSID, Supported rates */
u8 variable[0];
} __attribute__ ((packed)) probe_req;
struct {
__le64 timestamp;
__le16 beacon_int;
__le16 capab_info;
/* followed by some of SSID, Supported rates,
* FH Params, DS Params, CF Params, IBSS Params */
u8 variable[0];
} __attribute__ ((packed)) probe_resp;
struct {
u8 category;
union {
struct {
u8 action_code;
u8 dialog_token;
u8 status_code;
u8 variable[0];
} __attribute__ ((packed)) wme_action;
struct{
u8 action_code;
u8 element_id;
u8 length;
struct ieee80211_channel_sw_ie sw_elem;
} __attribute__((packed)) chan_switch;
struct{
u8 action_code;
u8 dialog_token;
u8 element_id;
u8 length;
struct ieee80211_msrment_ie msr_elem;
} __attribute__((packed)) measurement;
struct{
u8 action_code;
u8 dialog_token;
__le16 capab;
__le16 timeout;
__le16 start_seq_num;
} __attribute__((packed)) addba_req;
struct{
u8 action_code;
u8 dialog_token;
__le16 status;
__le16 capab;
__le16 timeout;
} __attribute__((packed)) addba_resp;
struct{
u8 action_code;
__le16 params;
__le16 reason_code;
} __attribute__((packed)) delba;
struct{
u8 action_code;
/* capab_info for open and confirm,
* reason for close
*/
__le16 aux;
/* Followed in plink_confirm by status
* code, AID and supported rates,
* and directly by supported rates in
* plink_open and plink_close
*/
u8 variable[0];
} __attribute__((packed)) plink_action;
struct{
u8 action_code;
u8 variable[0];
} __attribute__((packed)) mesh_action;
} u;
} __attribute__ ((packed)) action;
} u;
} __attribute__ ((packed));
/* mgmt header + 1 byte category code */
#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
/* Control frames */
struct ieee80211_rts {
__le16 frame_control;
__le16 duration;
u8 ra[6];
u8 ta[6];
} __attribute__ ((packed));
struct ieee80211_cts {
__le16 frame_control;
__le16 duration;
u8 ra[6];
} __attribute__ ((packed));
struct ieee80211_pspoll {
__le16 frame_control;
__le16 aid;
u8 bssid[6];
u8 ta[6];
} __attribute__ ((packed));
/**
* 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[6];
__u8 ta[6];
__le16 control;
__le16 start_seq_num;
} __attribute__((packed));
/* 802.11 BAR control masks */
#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
#define IEEE80211_HT_MCS_MASK_LEN 10
/**
* struct ieee80211_mcs_info - MCS information
* @rx_mask: RX mask
* @rx_highest: highest supported RX rate
* @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];
} __attribute__((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;
} __attribute__ ((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_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_DELAY_BA 0x0400
#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
#define IEEE80211_HT_CAP_PSMP_SUPPORT 0x2000
#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
/**
* struct ieee80211_ht_info - HT information
*
* This structure is the "HT information element" as
* described in 802.11n D5.0 7.3.2.58
*/
struct ieee80211_ht_info {
u8 control_chan;
u8 ht_param;
__le16 operation_mode;
__le16 stbc_param;
u8 basic_set[16];
} __attribute__ ((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
#define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
#define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
/* 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 0xFFA0
#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 */
#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
/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
#define WLAN_AUTH_LEAP 128
#define WLAN_AUTH_CHALLENGE_LEN 128
#define WLAN_CAPABILITY_ESS (1<<0)
#define WLAN_CAPABILITY_IBSS (1<<1)
#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_DSSS_OFDM (1<<13)
/* 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,
};
/* Status codes */
enum ieee80211_statuscode {
WLAN_STATUS_SUCCESS = 0,
WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
WLAN_STATUS_CAPS_UNSUPPORTED = 10,
WLAN_STATUS_REASSOC_NO_ASSOC = 11,
WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
WLAN_STATUS_CHALLENGE_FAIL = 15,
WLAN_STATUS_AUTH_TIMEOUT = 16,
WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
WLAN_STATUS_ASSOC_DENIED_RATES = 18,
/* 802.11b */
WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
/* 802.11h */
WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
/* 802.11g */
WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
/* 802.11i */
WLAN_STATUS_INVALID_IE = 40,
WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
WLAN_STATUS_INVALID_AKMP = 43,
WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
/* 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,
};
/* 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,
};
/* Information Element IDs */
enum ieee80211_eid {
WLAN_EID_SSID = 0,
WLAN_EID_SUPP_RATES = 1,
WLAN_EID_FH_PARAMS = 2,
WLAN_EID_DS_PARAMS = 3,
WLAN_EID_CF_PARAMS = 4,
WLAN_EID_TIM = 5,
WLAN_EID_IBSS_PARAMS = 6,
WLAN_EID_CHALLENGE = 16,
/* 802.11d */
WLAN_EID_COUNTRY = 7,
WLAN_EID_HP_PARAMS = 8,
WLAN_EID_HP_TABLE = 9,
WLAN_EID_REQUEST = 10,
/* 802.11e */
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_TS_DELAY = 43,
WLAN_EID_TCLAS_PROCESSING = 44,
WLAN_EID_QOS_CAPA = 46,
/* 802.11s
*
* All mesh EID numbers are pending IEEE 802.11 ANA approval.
* The numbers have been incremented from those suggested in
* 802.11s/D2.0 so that MESH_CONFIG does not conflict with
* EXT_SUPP_RATES.
*/
WLAN_EID_MESH_CONFIG = 51,
WLAN_EID_MESH_ID = 52,
WLAN_EID_PEER_LINK = 55,
WLAN_EID_PREQ = 68,
WLAN_EID_PREP = 69,
WLAN_EID_PERR = 70,
/* 802.11h */
WLAN_EID_PWR_CONSTRAINT = 32,
WLAN_EID_PWR_CAPABILITY = 33,
WLAN_EID_TPC_REQUEST = 34,
WLAN_EID_TPC_REPORT = 35,
WLAN_EID_SUPPORTED_CHANNELS = 36,
WLAN_EID_CHANNEL_SWITCH = 37,
WLAN_EID_MEASURE_REQUEST = 38,
WLAN_EID_MEASURE_REPORT = 39,
WLAN_EID_QUIET = 40,
WLAN_EID_IBSS_DFS = 41,
/* 802.11g */
WLAN_EID_ERP_INFO = 42,
WLAN_EID_EXT_SUPP_RATES = 50,
/* 802.11n */
WLAN_EID_HT_CAPABILITY = 45,
WLAN_EID_HT_INFORMATION = 61,
/* 802.11i */
WLAN_EID_RSN = 48,
WLAN_EID_WPA = 221,
WLAN_EID_GENERIC = 221,
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_WMM = 17,
};
/* 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,
};
/*
* 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
/*
* 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;
} __attribute__ ((packed)) chans;
struct {
u8 reg_extension_id;
u8 reg_class;
u8 coverage_class;
} __attribute__ ((packed)) ext;
};
} __attribute__ ((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,
WLAN_BACK_TIMER = 2,
};
/* A-MSDU 802.11n */
#define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080
/* 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_MAX_KEY_LEN 32
/**
* 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;
}
#endif /* LINUX_IEEE80211_H */
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