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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* This file define a set of standard wireless extensions
*
* Version : 22 16.3.07
*
* Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com>
* Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved.
*/
#ifndef _LINUX_WIRELESS_H
#define _LINUX_WIRELESS_H
/************************** DOCUMENTATION **************************/
/*
* Initial APIs (1996 -> onward) :
* -----------------------------
* Basically, the wireless extensions are for now a set of standard ioctl
* call + /proc/net/wireless
*
* The entry /proc/net/wireless give statistics and information on the
* driver.
* This is better than having each driver having its entry because
* its centralised and we may remove the driver module safely.
*
* Ioctl are used to configure the driver and issue commands. This is
* better than command line options of insmod because we may want to
* change dynamically (while the driver is running) some parameters.
*
* The ioctl mechanimsm are copied from standard devices ioctl.
* We have the list of command plus a structure descibing the
* data exchanged...
* Note that to add these ioctl, I was obliged to modify :
* # net/core/dev.c (two place + add include)
* # net/ipv4/af_inet.c (one place + add include)
*
* /proc/net/wireless is a copy of /proc/net/dev.
* We have a structure for data passed from the driver to /proc/net/wireless
* Too add this, I've modified :
* # net/core/dev.c (two other places)
* # include/linux/netdevice.h (one place)
* # include/linux/proc_fs.h (one place)
*
* New driver API (2002 -> onward) :
* -------------------------------
* This file is only concerned with the user space API and common definitions.
* The new driver API is defined and documented in :
* # include/net/iw_handler.h
*
* Note as well that /proc/net/wireless implementation has now moved in :
* # net/core/wireless.c
*
* Wireless Events (2002 -> onward) :
* --------------------------------
* Events are defined at the end of this file, and implemented in :
* # net/core/wireless.c
*
* Other comments :
* --------------
* Do not add here things that are redundant with other mechanisms
* (drivers init, ifconfig, /proc/net/dev, ...) and with are not
* wireless specific.
*
* These wireless extensions are not magic : each driver has to provide
* support for them...
*
* IMPORTANT NOTE : As everything in the kernel, this is very much a
* work in progress. Contact me if you have ideas of improvements...
*/
/***************************** INCLUDES *****************************/
#include <linux/types.h> /* for __u* and __s* typedefs */
#include <linux/socket.h> /* for "struct sockaddr" et al */
#include <linux/if.h> /* for IFNAMSIZ and co... */
# include <stddef.h> /* for offsetof */
/***************************** VERSION *****************************/
/*
* This constant is used to know the availability of the wireless
* extensions and to know which version of wireless extensions it is
* (there is some stuff that will be added in the future...)
* I just plan to increment with each new version.
*/
#define WIRELESS_EXT 22
/*
* Changes :
*
* V2 to V3
* --------
* Alan Cox start some incompatibles changes. I've integrated a bit more.
* - Encryption renamed to Encode to avoid US regulation problems
* - Frequency changed from float to struct to avoid problems on old 386
*
* V3 to V4
* --------
* - Add sensitivity
*
* V4 to V5
* --------
* - Missing encoding definitions in range
* - Access points stuff
*
* V5 to V6
* --------
* - 802.11 support (ESSID ioctls)
*
* V6 to V7
* --------
* - define IW_ESSID_MAX_SIZE and IW_MAX_AP
*
* V7 to V8
* --------
* - Changed my e-mail address
* - More 802.11 support (nickname, rate, rts, frag)
* - List index in frequencies
*
* V8 to V9
* --------
* - Support for 'mode of operation' (ad-hoc, managed...)
* - Support for unicast and multicast power saving
* - Change encoding to support larger tokens (>64 bits)
* - Updated iw_params (disable, flags) and use it for NWID
* - Extracted iw_point from iwreq for clarity
*
* V9 to V10
* ---------
* - Add PM capability to range structure
* - Add PM modifier : MAX/MIN/RELATIVE
* - Add encoding option : IW_ENCODE_NOKEY
* - Add TxPower ioctls (work like TxRate)
*
* V10 to V11
* ----------
* - Add WE version in range (help backward/forward compatibility)
* - Add retry ioctls (work like PM)
*
* V11 to V12
* ----------
* - Add SIOCSIWSTATS to get /proc/net/wireless programatically
* - Add DEV PRIVATE IOCTL to avoid collisions in SIOCDEVPRIVATE space
* - Add new statistics (frag, retry, beacon)
* - Add average quality (for user space calibration)
*
* V12 to V13
* ----------
* - Document creation of new driver API.
* - Extract union iwreq_data from struct iwreq (for new driver API).
* - Rename SIOCSIWNAME as SIOCSIWCOMMIT
*
* V13 to V14
* ----------
* - Wireless Events support : define struct iw_event
* - Define additional specific event numbers
* - Add "addr" and "param" fields in union iwreq_data
* - AP scanning stuff (SIOCSIWSCAN and friends)
*
* V14 to V15
* ----------
* - Add IW_PRIV_TYPE_ADDR for struct sockaddr private arg
* - Make struct iw_freq signed (both m & e), add explicit padding
* - Add IWEVCUSTOM for driver specific event/scanning token
* - Add IW_MAX_GET_SPY for driver returning a lot of addresses
* - Add IW_TXPOW_RANGE for range of Tx Powers
* - Add IWEVREGISTERED & IWEVEXPIRED events for Access Points
* - Add IW_MODE_MONITOR for passive monitor
*
* V15 to V16
* ----------
* - Increase the number of bitrates in iw_range to 32 (for 802.11g)
* - Increase the number of frequencies in iw_range to 32 (for 802.11b+a)
* - Reshuffle struct iw_range for increases, add filler
* - Increase IW_MAX_AP to 64 for driver returning a lot of addresses
* - Remove IW_MAX_GET_SPY because conflict with enhanced spy support
* - Add SIOCSIWTHRSPY/SIOCGIWTHRSPY and "struct iw_thrspy"
* - Add IW_ENCODE_TEMP and iw_range->encoding_login_index
*
* V16 to V17
* ----------
* - Add flags to frequency -> auto/fixed
* - Document (struct iw_quality *)->updated, add new flags (INVALID)
* - Wireless Event capability in struct iw_range
* - Add support for relative TxPower (yick !)
*
* V17 to V18 (From Jouni Malinen <j@w1.fi>)
* ----------
* - Add support for WPA/WPA2
* - Add extended encoding configuration (SIOCSIWENCODEEXT and
* SIOCGIWENCODEEXT)
* - Add SIOCSIWGENIE/SIOCGIWGENIE
* - Add SIOCSIWMLME
* - Add SIOCSIWPMKSA
* - Add struct iw_range bit field for supported encoding capabilities
* - Add optional scan request parameters for SIOCSIWSCAN
* - Add SIOCSIWAUTH/SIOCGIWAUTH for setting authentication and WPA
* related parameters (extensible up to 4096 parameter values)
* - Add wireless events: IWEVGENIE, IWEVMICHAELMICFAILURE,
* IWEVASSOCREQIE, IWEVASSOCRESPIE, IWEVPMKIDCAND
*
* V18 to V19
* ----------
* - Remove (struct iw_point *)->pointer from events and streams
* - Remove header includes to help user space
* - Increase IW_ENCODING_TOKEN_MAX from 32 to 64
* - Add IW_QUAL_ALL_UPDATED and IW_QUAL_ALL_INVALID macros
* - Add explicit flag to tell stats are in dBm : IW_QUAL_DBM
* - Add IW_IOCTL_IDX() and IW_EVENT_IDX() macros
*
* V19 to V20
* ----------
* - RtNetlink requests support (SET/GET)
*
* V20 to V21
* ----------
* - Remove (struct net_device *)->get_wireless_stats()
* - Change length in ESSID and NICK to strlen() instead of strlen()+1
* - Add IW_RETRY_SHORT/IW_RETRY_LONG retry modifiers
* - Power/Retry relative values no longer * 100000
* - Add explicit flag to tell stats are in 802.11k RCPI : IW_QUAL_RCPI
*
* V21 to V22
* ----------
* - Prevent leaking of kernel space in stream on 64 bits.
*/
/**************************** CONSTANTS ****************************/
/* -------------------------- IOCTL LIST -------------------------- */
/* Wireless Identification */
#define SIOCSIWCOMMIT 0x8B00 /* Commit pending changes to driver */
#define SIOCGIWNAME 0x8B01 /* get name == wireless protocol */
/* SIOCGIWNAME is used to verify the presence of Wireless Extensions.
* Common values : "IEEE 802.11-DS", "IEEE 802.11-FH", "IEEE 802.11b"...
* Don't put the name of your driver there, it's useless. */
/* Basic operations */
#define SIOCSIWNWID 0x8B02 /* set network id (pre-802.11) */
#define SIOCGIWNWID 0x8B03 /* get network id (the cell) */
#define SIOCSIWFREQ 0x8B04 /* set channel/frequency (Hz) */
#define SIOCGIWFREQ 0x8B05 /* get channel/frequency (Hz) */
#define SIOCSIWMODE 0x8B06 /* set operation mode */
#define SIOCGIWMODE 0x8B07 /* get operation mode */
#define SIOCSIWSENS 0x8B08 /* set sensitivity (dBm) */
#define SIOCGIWSENS 0x8B09 /* get sensitivity (dBm) */
/* Informative stuff */
#define SIOCSIWRANGE 0x8B0A /* Unused */
#define SIOCGIWRANGE 0x8B0B /* Get range of parameters */
#define SIOCSIWPRIV 0x8B0C /* Unused */
#define SIOCGIWPRIV 0x8B0D /* get private ioctl interface info */
#define SIOCSIWSTATS 0x8B0E /* Unused */
#define SIOCGIWSTATS 0x8B0F /* Get /proc/net/wireless stats */
/* SIOCGIWSTATS is strictly used between user space and the kernel, and
* is never passed to the driver (i.e. the driver will never see it). */
/* Spy support (statistics per MAC address - used for Mobile IP support) */
#define SIOCSIWSPY 0x8B10 /* set spy addresses */
#define SIOCGIWSPY 0x8B11 /* get spy info (quality of link) */
#define SIOCSIWTHRSPY 0x8B12 /* set spy threshold (spy event) */
#define SIOCGIWTHRSPY 0x8B13 /* get spy threshold */
/* Access Point manipulation */
#define SIOCSIWAP 0x8B14 /* set access point MAC addresses */
#define SIOCGIWAP 0x8B15 /* get access point MAC addresses */
#define SIOCGIWAPLIST 0x8B17 /* Deprecated in favor of scanning */
#define SIOCSIWSCAN 0x8B18 /* trigger scanning (list cells) */
#define SIOCGIWSCAN 0x8B19 /* get scanning results */
/* 802.11 specific support */
#define SIOCSIWESSID 0x8B1A /* set ESSID (network name) */
#define SIOCGIWESSID 0x8B1B /* get ESSID */
#define SIOCSIWNICKN 0x8B1C /* set node name/nickname */
#define SIOCGIWNICKN 0x8B1D /* get node name/nickname */
/* As the ESSID and NICKN are strings up to 32 bytes long, it doesn't fit
* within the 'iwreq' structure, so we need to use the 'data' member to
* point to a string in user space, like it is done for RANGE... */
/* Other parameters useful in 802.11 and some other devices */
#define SIOCSIWRATE 0x8B20 /* set default bit rate (bps) */
#define SIOCGIWRATE 0x8B21 /* get default bit rate (bps) */
#define SIOCSIWRTS 0x8B22 /* set RTS/CTS threshold (bytes) */
#define SIOCGIWRTS 0x8B23 /* get RTS/CTS threshold (bytes) */
#define SIOCSIWFRAG 0x8B24 /* set fragmentation thr (bytes) */
#define SIOCGIWFRAG 0x8B25 /* get fragmentation thr (bytes) */
#define SIOCSIWTXPOW 0x8B26 /* set transmit power (dBm) */
#define SIOCGIWTXPOW 0x8B27 /* get transmit power (dBm) */
#define SIOCSIWRETRY 0x8B28 /* set retry limits and lifetime */
#define SIOCGIWRETRY 0x8B29 /* get retry limits and lifetime */
/* Encoding stuff (scrambling, hardware security, WEP...) */
#define SIOCSIWENCODE 0x8B2A /* set encoding token & mode */
#define SIOCGIWENCODE 0x8B2B /* get encoding token & mode */
/* Power saving stuff (power management, unicast and multicast) */
#define SIOCSIWPOWER 0x8B2C /* set Power Management settings */
#define SIOCGIWPOWER 0x8B2D /* get Power Management settings */
/* WPA : Generic IEEE 802.11 informatiom element (e.g., for WPA/RSN/WMM).
* This ioctl uses struct iw_point and data buffer that includes IE id and len
* fields. More than one IE may be included in the request. Setting the generic
* IE to empty buffer (len=0) removes the generic IE from the driver. Drivers
* are allowed to generate their own WPA/RSN IEs, but in these cases, drivers
* are required to report the used IE as a wireless event, e.g., when
* associating with an AP. */
#define SIOCSIWGENIE 0x8B30 /* set generic IE */
#define SIOCGIWGENIE 0x8B31 /* get generic IE */
/* WPA : IEEE 802.11 MLME requests */
#define SIOCSIWMLME 0x8B16 /* request MLME operation; uses
* struct iw_mlme */
/* WPA : Authentication mode parameters */
#define SIOCSIWAUTH 0x8B32 /* set authentication mode params */
#define SIOCGIWAUTH 0x8B33 /* get authentication mode params */
/* WPA : Extended version of encoding configuration */
#define SIOCSIWENCODEEXT 0x8B34 /* set encoding token & mode */
#define SIOCGIWENCODEEXT 0x8B35 /* get encoding token & mode */
/* WPA2 : PMKSA cache management */
#define SIOCSIWPMKSA 0x8B36 /* PMKSA cache operation */
/* -------------------- DEV PRIVATE IOCTL LIST -------------------- */
/* These 32 ioctl are wireless device private, for 16 commands.
* Each driver is free to use them for whatever purpose it chooses,
* however the driver *must* export the description of those ioctls
* with SIOCGIWPRIV and *must* use arguments as defined below.
* If you don't follow those rules, DaveM is going to hate you (reason :
* it make mixed 32/64bit operation impossible).
*/
#define SIOCIWFIRSTPRIV 0x8BE0
#define SIOCIWLASTPRIV 0x8BFF
/* Previously, we were using SIOCDEVPRIVATE, but we now have our
* separate range because of collisions with other tools such as
* 'mii-tool'.
* We now have 32 commands, so a bit more space ;-).
* Also, all 'even' commands are only usable by root and don't return the
* content of ifr/iwr to user (but you are not obliged to use the set/get
* convention, just use every other two command). More details in iwpriv.c.
* And I repeat : you are not forced to use them with iwpriv, but you
* must be compliant with it.
*/
/* ------------------------- IOCTL STUFF ------------------------- */
/* The first and the last (range) */
#define SIOCIWFIRST 0x8B00
#define SIOCIWLAST SIOCIWLASTPRIV /* 0x8BFF */
#define IW_IOCTL_IDX(cmd) ((cmd) - SIOCIWFIRST)
#define IW_HANDLER(id, func) \
[IW_IOCTL_IDX(id)] = func
/* Odd : get (world access), even : set (root access) */
#define IW_IS_SET(cmd) (!((cmd) & 0x1))
#define IW_IS_GET(cmd) ((cmd) & 0x1)
/* ----------------------- WIRELESS EVENTS ----------------------- */
/* Those are *NOT* ioctls, do not issue request on them !!! */
/* Most events use the same identifier as ioctl requests */
#define IWEVTXDROP 0x8C00 /* Packet dropped to excessive retry */
#define IWEVQUAL 0x8C01 /* Quality part of statistics (scan) */
#define IWEVCUSTOM 0x8C02 /* Driver specific ascii string */
#define IWEVREGISTERED 0x8C03 /* Discovered a new node (AP mode) */
#define IWEVEXPIRED 0x8C04 /* Expired a node (AP mode) */
#define IWEVGENIE 0x8C05 /* Generic IE (WPA, RSN, WMM, ..)
* (scan results); This includes id and
* length fields. One IWEVGENIE may
* contain more than one IE. Scan
* results may contain one or more
* IWEVGENIE events. */
#define IWEVMICHAELMICFAILURE 0x8C06 /* Michael MIC failure
* (struct iw_michaelmicfailure)
*/
#define IWEVASSOCREQIE 0x8C07 /* IEs used in (Re)Association Request.
* The data includes id and length
* fields and may contain more than one
* IE. This event is required in
* Managed mode if the driver
* generates its own WPA/RSN IE. This
* should be sent just before
* IWEVREGISTERED event for the
* association. */
#define IWEVASSOCRESPIE 0x8C08 /* IEs used in (Re)Association
* Response. The data includes id and
* length fields and may contain more
* than one IE. This may be sent
* between IWEVASSOCREQIE and
* IWEVREGISTERED events for the
* association. */
#define IWEVPMKIDCAND 0x8C09 /* PMKID candidate for RSN
* pre-authentication
* (struct iw_pmkid_cand) */
#define IWEVFIRST 0x8C00
#define IW_EVENT_IDX(cmd) ((cmd) - IWEVFIRST)
/* ------------------------- PRIVATE INFO ------------------------- */
/*
* The following is used with SIOCGIWPRIV. It allow a driver to define
* the interface (name, type of data) for its private ioctl.
* Privates ioctl are SIOCIWFIRSTPRIV -> SIOCIWLASTPRIV
*/
#define IW_PRIV_TYPE_MASK 0x7000 /* Type of arguments */
#define IW_PRIV_TYPE_NONE 0x0000
#define IW_PRIV_TYPE_BYTE 0x1000 /* Char as number */
#define IW_PRIV_TYPE_CHAR 0x2000 /* Char as character */
#define IW_PRIV_TYPE_INT 0x4000 /* 32 bits int */
#define IW_PRIV_TYPE_FLOAT 0x5000 /* struct iw_freq */
#define IW_PRIV_TYPE_ADDR 0x6000 /* struct sockaddr */
#define IW_PRIV_SIZE_FIXED 0x0800 /* Variable or fixed number of args */
#define IW_PRIV_SIZE_MASK 0x07FF /* Max number of those args */
/*
* Note : if the number of args is fixed and the size < 16 octets,
* instead of passing a pointer we will put args in the iwreq struct...
*/
/* ----------------------- OTHER CONSTANTS ----------------------- */
/* Maximum frequencies in the range struct */
#define IW_MAX_FREQUENCIES 32
/* Note : if you have something like 80 frequencies,
* don't increase this constant and don't fill the frequency list.
* The user will be able to set by channel anyway... */
/* Maximum bit rates in the range struct */
#define IW_MAX_BITRATES 32
/* Maximum tx powers in the range struct */
#define IW_MAX_TXPOWER 8
/* Note : if you more than 8 TXPowers, just set the max and min or
* a few of them in the struct iw_range. */
/* Maximum of address that you may set with SPY */
#define IW_MAX_SPY 8
/* Maximum of address that you may get in the
list of access points in range */
#define IW_MAX_AP 64
/* Maximum size of the ESSID and NICKN strings */
#define IW_ESSID_MAX_SIZE 32
/* Modes of operation */
#define IW_MODE_AUTO 0 /* Let the driver decides */
#define IW_MODE_ADHOC 1 /* Single cell network */
#define IW_MODE_INFRA 2 /* Multi cell network, roaming, ... */
#define IW_MODE_MASTER 3 /* Synchronisation master or Access Point */
#define IW_MODE_REPEAT 4 /* Wireless Repeater (forwarder) */
#define IW_MODE_SECOND 5 /* Secondary master/repeater (backup) */
#define IW_MODE_MONITOR 6 /* Passive monitor (listen only) */
#define IW_MODE_MESH 7 /* Mesh (IEEE 802.11s) network */
/* Statistics flags (bitmask in updated) */
#define IW_QUAL_QUAL_UPDATED 0x01 /* Value was updated since last read */
#define IW_QUAL_LEVEL_UPDATED 0x02
#define IW_QUAL_NOISE_UPDATED 0x04
#define IW_QUAL_ALL_UPDATED 0x07
#define IW_QUAL_DBM 0x08 /* Level + Noise are dBm */
#define IW_QUAL_QUAL_INVALID 0x10 /* Driver doesn't provide value */
#define IW_QUAL_LEVEL_INVALID 0x20
#define IW_QUAL_NOISE_INVALID 0x40
#define IW_QUAL_RCPI 0x80 /* Level + Noise are 802.11k RCPI */
#define IW_QUAL_ALL_INVALID 0x70
/* Frequency flags */
#define IW_FREQ_AUTO 0x00 /* Let the driver decides */
#define IW_FREQ_FIXED 0x01 /* Force a specific value */
/* Maximum number of size of encoding token available
* they are listed in the range structure */
#define IW_MAX_ENCODING_SIZES 8
/* Maximum size of the encoding token in bytes */
#define IW_ENCODING_TOKEN_MAX 64 /* 512 bits (for now) */
/* Flags for encoding (along with the token) */
#define IW_ENCODE_INDEX 0x00FF /* Token index (if needed) */
#define IW_ENCODE_FLAGS 0xFF00 /* Flags defined below */
#define IW_ENCODE_MODE 0xF000 /* Modes defined below */
#define IW_ENCODE_DISABLED 0x8000 /* Encoding disabled */
#define IW_ENCODE_ENABLED 0x0000 /* Encoding enabled */
#define IW_ENCODE_RESTRICTED 0x4000 /* Refuse non-encoded packets */
#define IW_ENCODE_OPEN 0x2000 /* Accept non-encoded packets */
#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
#define IW_ENCODE_TEMP 0x0400 /* Temporary key */
/* Power management flags available (along with the value, if any) */
#define IW_POWER_ON 0x0000 /* No details... */
#define IW_POWER_TYPE 0xF000 /* Type of parameter */
#define IW_POWER_PERIOD 0x1000 /* Value is a period/duration of */
#define IW_POWER_TIMEOUT 0x2000 /* Value is a timeout (to go asleep) */
#define IW_POWER_MODE 0x0F00 /* Power Management mode */
#define IW_POWER_UNICAST_R 0x0100 /* Receive only unicast messages */
#define IW_POWER_MULTICAST_R 0x0200 /* Receive only multicast messages */
#define IW_POWER_ALL_R 0x0300 /* Receive all messages though PM */
#define IW_POWER_FORCE_S 0x0400 /* Force PM procedure for sending unicast */
#define IW_POWER_REPEATER 0x0800 /* Repeat broadcast messages in PM period */
#define IW_POWER_MODIFIER 0x000F /* Modify a parameter */
#define IW_POWER_MIN 0x0001 /* Value is a minimum */
#define IW_POWER_MAX 0x0002 /* Value is a maximum */
#define IW_POWER_RELATIVE 0x0004 /* Value is not in seconds/ms/us */
/* Transmit Power flags available */
#define IW_TXPOW_TYPE 0x00FF /* Type of value */
#define IW_TXPOW_DBM 0x0000 /* Value is in dBm */
#define IW_TXPOW_MWATT 0x0001 /* Value is in mW */
#define IW_TXPOW_RELATIVE 0x0002 /* Value is in arbitrary units */
#define IW_TXPOW_RANGE 0x1000 /* Range of value between min/max */
/* Retry limits and lifetime flags available */
#define IW_RETRY_ON 0x0000 /* No details... */
#define IW_RETRY_TYPE 0xF000 /* Type of parameter */
#define IW_RETRY_LIMIT 0x1000 /* Maximum number of retries*/
#define IW_RETRY_LIFETIME 0x2000 /* Maximum duration of retries in us */
#define IW_RETRY_MODIFIER 0x00FF /* Modify a parameter */
#define IW_RETRY_MIN 0x0001 /* Value is a minimum */
#define IW_RETRY_MAX 0x0002 /* Value is a maximum */
#define IW_RETRY_RELATIVE 0x0004 /* Value is not in seconds/ms/us */
#define IW_RETRY_SHORT 0x0010 /* Value is for short packets */
#define IW_RETRY_LONG 0x0020 /* Value is for long packets */
/* Scanning request flags */
#define IW_SCAN_DEFAULT 0x0000 /* Default scan of the driver */
#define IW_SCAN_ALL_ESSID 0x0001 /* Scan all ESSIDs */
#define IW_SCAN_THIS_ESSID 0x0002 /* Scan only this ESSID */
#define IW_SCAN_ALL_FREQ 0x0004 /* Scan all Frequencies */
#define IW_SCAN_THIS_FREQ 0x0008 /* Scan only this Frequency */
#define IW_SCAN_ALL_MODE 0x0010 /* Scan all Modes */
#define IW_SCAN_THIS_MODE 0x0020 /* Scan only this Mode */
#define IW_SCAN_ALL_RATE 0x0040 /* Scan all Bit-Rates */
#define IW_SCAN_THIS_RATE 0x0080 /* Scan only this Bit-Rate */
/* struct iw_scan_req scan_type */
#define IW_SCAN_TYPE_ACTIVE 0
#define IW_SCAN_TYPE_PASSIVE 1
/* Maximum size of returned data */
#define IW_SCAN_MAX_DATA 4096 /* In bytes */
/* Scan capability flags - in (struct iw_range *)->scan_capa */
#define IW_SCAN_CAPA_NONE 0x00
#define IW_SCAN_CAPA_ESSID 0x01
#define IW_SCAN_CAPA_BSSID 0x02
#define IW_SCAN_CAPA_CHANNEL 0x04
#define IW_SCAN_CAPA_MODE 0x08
#define IW_SCAN_CAPA_RATE 0x10
#define IW_SCAN_CAPA_TYPE 0x20
#define IW_SCAN_CAPA_TIME 0x40
/* Max number of char in custom event - use multiple of them if needed */
#define IW_CUSTOM_MAX 256 /* In bytes */
/* Generic information element */
#define IW_GENERIC_IE_MAX 1024
/* MLME requests (SIOCSIWMLME / struct iw_mlme) */
#define IW_MLME_DEAUTH 0
#define IW_MLME_DISASSOC 1
#define IW_MLME_AUTH 2
#define IW_MLME_ASSOC 3
/* SIOCSIWAUTH/SIOCGIWAUTH struct iw_param flags */
#define IW_AUTH_INDEX 0x0FFF
#define IW_AUTH_FLAGS 0xF000
/* SIOCSIWAUTH/SIOCGIWAUTH parameters (0 .. 4095)
* (IW_AUTH_INDEX mask in struct iw_param flags; this is the index of the
* parameter that is being set/get to; value will be read/written to
* struct iw_param value field) */
#define IW_AUTH_WPA_VERSION 0
#define IW_AUTH_CIPHER_PAIRWISE 1
#define IW_AUTH_CIPHER_GROUP 2
#define IW_AUTH_KEY_MGMT 3
#define IW_AUTH_TKIP_COUNTERMEASURES 4
#define IW_AUTH_DROP_UNENCRYPTED 5
#define IW_AUTH_80211_AUTH_ALG 6
#define IW_AUTH_WPA_ENABLED 7
#define IW_AUTH_RX_UNENCRYPTED_EAPOL 8
#define IW_AUTH_ROAMING_CONTROL 9
#define IW_AUTH_PRIVACY_INVOKED 10
#define IW_AUTH_CIPHER_GROUP_MGMT 11
#define IW_AUTH_MFP 12
/* IW_AUTH_WPA_VERSION values (bit field) */
#define IW_AUTH_WPA_VERSION_DISABLED 0x00000001
#define IW_AUTH_WPA_VERSION_WPA 0x00000002
#define IW_AUTH_WPA_VERSION_WPA2 0x00000004
/* IW_AUTH_PAIRWISE_CIPHER, IW_AUTH_GROUP_CIPHER, and IW_AUTH_CIPHER_GROUP_MGMT
* values (bit field) */
#define IW_AUTH_CIPHER_NONE 0x00000001
#define IW_AUTH_CIPHER_WEP40 0x00000002
#define IW_AUTH_CIPHER_TKIP 0x00000004
#define IW_AUTH_CIPHER_CCMP 0x00000008
#define IW_AUTH_CIPHER_WEP104 0x00000010
#define IW_AUTH_CIPHER_AES_CMAC 0x00000020
/* IW_AUTH_KEY_MGMT values (bit field) */
#define IW_AUTH_KEY_MGMT_802_1X 1
#define IW_AUTH_KEY_MGMT_PSK 2
/* IW_AUTH_80211_AUTH_ALG values (bit field) */
#define IW_AUTH_ALG_OPEN_SYSTEM 0x00000001
#define IW_AUTH_ALG_SHARED_KEY 0x00000002
#define IW_AUTH_ALG_LEAP 0x00000004
/* IW_AUTH_ROAMING_CONTROL values */
#define IW_AUTH_ROAMING_ENABLE 0 /* driver/firmware based roaming */
#define IW_AUTH_ROAMING_DISABLE 1 /* user space program used for roaming
* control */
/* IW_AUTH_MFP (management frame protection) values */
#define IW_AUTH_MFP_DISABLED 0 /* MFP disabled */
#define IW_AUTH_MFP_OPTIONAL 1 /* MFP optional */
#define IW_AUTH_MFP_REQUIRED 2 /* MFP required */
/* SIOCSIWENCODEEXT definitions */
#define IW_ENCODE_SEQ_MAX_SIZE 8
/* struct iw_encode_ext ->alg */
#define IW_ENCODE_ALG_NONE 0
#define IW_ENCODE_ALG_WEP 1
#define IW_ENCODE_ALG_TKIP 2
#define IW_ENCODE_ALG_CCMP 3
#define IW_ENCODE_ALG_PMK 4
#define IW_ENCODE_ALG_AES_CMAC 5
/* struct iw_encode_ext ->ext_flags */
#define IW_ENCODE_EXT_TX_SEQ_VALID 0x00000001
#define IW_ENCODE_EXT_RX_SEQ_VALID 0x00000002
#define IW_ENCODE_EXT_GROUP_KEY 0x00000004
#define IW_ENCODE_EXT_SET_TX_KEY 0x00000008
/* IWEVMICHAELMICFAILURE : struct iw_michaelmicfailure ->flags */
#define IW_MICFAILURE_KEY_ID 0x00000003 /* Key ID 0..3 */
#define IW_MICFAILURE_GROUP 0x00000004
#define IW_MICFAILURE_PAIRWISE 0x00000008
#define IW_MICFAILURE_STAKEY 0x00000010
#define IW_MICFAILURE_COUNT 0x00000060 /* 1 or 2 (0 = count not supported)
*/
/* Bit field values for enc_capa in struct iw_range */
#define IW_ENC_CAPA_WPA 0x00000001
#define IW_ENC_CAPA_WPA2 0x00000002
#define IW_ENC_CAPA_CIPHER_TKIP 0x00000004
#define IW_ENC_CAPA_CIPHER_CCMP 0x00000008
#define IW_ENC_CAPA_4WAY_HANDSHAKE 0x00000010
/* Event capability macros - in (struct iw_range *)->event_capa
* Because we have more than 32 possible events, we use an array of
* 32 bit bitmasks. Note : 32 bits = 0x20 = 2^5. */
#define IW_EVENT_CAPA_BASE(cmd) ((cmd >= SIOCIWFIRSTPRIV) ? \
(cmd - SIOCIWFIRSTPRIV + 0x60) : \
(cmd - SIOCIWFIRST))
#define IW_EVENT_CAPA_INDEX(cmd) (IW_EVENT_CAPA_BASE(cmd) >> 5)
#define IW_EVENT_CAPA_MASK(cmd) (1 << (IW_EVENT_CAPA_BASE(cmd) & 0x1F))
/* Event capability constants - event autogenerated by the kernel
* This list is valid for most 802.11 devices, customise as needed... */
#define IW_EVENT_CAPA_K_0 (IW_EVENT_CAPA_MASK(0x8B04) | \
IW_EVENT_CAPA_MASK(0x8B06) | \
IW_EVENT_CAPA_MASK(0x8B1A))
#define IW_EVENT_CAPA_K_1 (IW_EVENT_CAPA_MASK(0x8B2A))
/* "Easy" macro to set events in iw_range (less efficient) */
#define IW_EVENT_CAPA_SET(event_capa, cmd) (event_capa[IW_EVENT_CAPA_INDEX(cmd)] |= IW_EVENT_CAPA_MASK(cmd))
#define IW_EVENT_CAPA_SET_KERNEL(event_capa) {event_capa[0] |= IW_EVENT_CAPA_K_0; event_capa[1] |= IW_EVENT_CAPA_K_1; }
/****************************** TYPES ******************************/
/* --------------------------- SUBTYPES --------------------------- */
/*
* Generic format for most parameters that fit in an int
*/
struct iw_param {
__s32 value; /* The value of the parameter itself */
__u8 fixed; /* Hardware should not use auto select */
__u8 disabled; /* Disable the feature */
__u16 flags; /* Various specifc flags (if any) */
};
/*
* For all data larger than 16 octets, we need to use a
* pointer to memory allocated in user space.
*/
struct iw_point {
void *pointer; /* Pointer to the data (in user space) */
__u16 length; /* number of fields or size in bytes */
__u16 flags; /* Optional params */
};
/*
* A frequency
* For numbers lower than 10^9, we encode the number in 'm' and
* set 'e' to 0
* For number greater than 10^9, we divide it by the lowest power
* of 10 to get 'm' lower than 10^9, with 'm'= f / (10^'e')...
* The power of 10 is in 'e', the result of the division is in 'm'.
*/
struct iw_freq {
__s32 m; /* Mantissa */
__s16 e; /* Exponent */
__u8 i; /* List index (when in range struct) */
__u8 flags; /* Flags (fixed/auto) */
};
/*
* Quality of the link
*/
struct iw_quality {
__u8 qual; /* link quality (%retries, SNR,
%missed beacons or better...) */
__u8 level; /* signal level (dBm) */
__u8 noise; /* noise level (dBm) */
__u8 updated; /* Flags to know if updated */
};
/*
* Packet discarded in the wireless adapter due to
* "wireless" specific problems...
* Note : the list of counter and statistics in net_device_stats
* is already pretty exhaustive, and you should use that first.
* This is only additional stats...
*/
struct iw_discarded {
__u32 nwid; /* Rx : Wrong nwid/essid */
__u32 code; /* Rx : Unable to code/decode (WEP) */
__u32 fragment; /* Rx : Can't perform MAC reassembly */
__u32 retries; /* Tx : Max MAC retries num reached */
__u32 misc; /* Others cases */
};
/*
* Packet/Time period missed in the wireless adapter due to
* "wireless" specific problems...
*/
struct iw_missed {
__u32 beacon; /* Missed beacons/superframe */
};
/*
* Quality range (for spy threshold)
*/
struct iw_thrspy {
struct sockaddr addr; /* Source address (hw/mac) */
struct iw_quality qual; /* Quality of the link */
struct iw_quality low; /* Low threshold */
struct iw_quality high; /* High threshold */
};
/*
* Optional data for scan request
*
* Note: these optional parameters are controlling parameters for the
* scanning behavior, these do not apply to getting scan results
* (SIOCGIWSCAN). Drivers are expected to keep a local BSS table and
* provide a merged results with all BSSes even if the previous scan
* request limited scanning to a subset, e.g., by specifying an SSID.
* Especially, scan results are required to include an entry for the
* current BSS if the driver is in Managed mode and associated with an AP.
*/
struct iw_scan_req {
__u8 scan_type; /* IW_SCAN_TYPE_{ACTIVE,PASSIVE} */
__u8 essid_len;
__u8 num_channels; /* num entries in channel_list;
* 0 = scan all allowed channels */
__u8 flags; /* reserved as padding; use zero, this may
* be used in the future for adding flags
* to request different scan behavior */
struct sockaddr bssid; /* ff:ff:ff:ff:ff:ff for broadcast BSSID or
* individual address of a specific BSS */
/*
* Use this ESSID if IW_SCAN_THIS_ESSID flag is used instead of using
* the current ESSID. This allows scan requests for specific ESSID
* without having to change the current ESSID and potentially breaking
* the current association.
*/
__u8 essid[IW_ESSID_MAX_SIZE];
/*
* Optional parameters for changing the default scanning behavior.
* These are based on the MLME-SCAN.request from IEEE Std 802.11.
* TU is 1.024 ms. If these are set to 0, driver is expected to use
* reasonable default values. min_channel_time defines the time that
* will be used to wait for the first reply on each channel. If no
* replies are received, next channel will be scanned after this. If
* replies are received, total time waited on the channel is defined by
* max_channel_time.
*/
__u32 min_channel_time; /* in TU */
__u32 max_channel_time; /* in TU */
struct iw_freq channel_list[IW_MAX_FREQUENCIES];
};
/* ------------------------- WPA SUPPORT ------------------------- */
/*
* Extended data structure for get/set encoding (this is used with
* SIOCSIWENCODEEXT/SIOCGIWENCODEEXT. struct iw_point and IW_ENCODE_*
* flags are used in the same way as with SIOCSIWENCODE/SIOCGIWENCODE and
* only the data contents changes (key data -> this structure, including
* key data).
*
* If the new key is the first group key, it will be set as the default
* TX key. Otherwise, default TX key index is only changed if
* IW_ENCODE_EXT_SET_TX_KEY flag is set.
*
* Key will be changed with SIOCSIWENCODEEXT in all cases except for
* special "change TX key index" operation which is indicated by setting
* key_len = 0 and ext_flags |= IW_ENCODE_EXT_SET_TX_KEY.
*
* tx_seq/rx_seq are only used when respective
* IW_ENCODE_EXT_{TX,RX}_SEQ_VALID flag is set in ext_flags. Normal
* TKIP/CCMP operation is to set RX seq with SIOCSIWENCODEEXT and start
* TX seq from zero whenever key is changed. SIOCGIWENCODEEXT is normally
* used only by an Authenticator (AP or an IBSS station) to get the
* current TX sequence number. Using TX_SEQ_VALID for SIOCSIWENCODEEXT and
* RX_SEQ_VALID for SIOCGIWENCODEEXT are optional, but can be useful for
* debugging/testing.
*/
struct iw_encode_ext {
__u32 ext_flags; /* IW_ENCODE_EXT_* */
__u8 tx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
__u8 rx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
struct sockaddr addr; /* ff:ff:ff:ff:ff:ff for broadcast/multicast
* (group) keys or unicast address for
* individual keys */
__u16 alg; /* IW_ENCODE_ALG_* */
__u16 key_len;
__u8 key[0];
};
/* SIOCSIWMLME data */
struct iw_mlme {
__u16 cmd; /* IW_MLME_* */
__u16 reason_code;
struct sockaddr addr;
};
/* SIOCSIWPMKSA data */
#define IW_PMKSA_ADD 1
#define IW_PMKSA_REMOVE 2
#define IW_PMKSA_FLUSH 3
#define IW_PMKID_LEN 16
struct iw_pmksa {
__u32 cmd; /* IW_PMKSA_* */
struct sockaddr bssid;
__u8 pmkid[IW_PMKID_LEN];
};
/* IWEVMICHAELMICFAILURE data */
struct iw_michaelmicfailure {
__u32 flags;
struct sockaddr src_addr;
__u8 tsc[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
};
/* IWEVPMKIDCAND data */
#define IW_PMKID_CAND_PREAUTH 0x00000001 /* RNS pre-authentication enabled */
struct iw_pmkid_cand {
__u32 flags; /* IW_PMKID_CAND_* */
__u32 index; /* the smaller the index, the higher the
* priority */
struct sockaddr bssid;
};
/* ------------------------ WIRELESS STATS ------------------------ */
/*
* Wireless statistics (used for /proc/net/wireless)
*/
struct iw_statistics {
__u16 status; /* Status
* - device dependent for now */
struct iw_quality qual; /* Quality of the link
* (instant/mean/max) */
struct iw_discarded discard; /* Packet discarded counts */
struct iw_missed miss; /* Packet missed counts */
};
/* ------------------------ IOCTL REQUEST ------------------------ */
/*
* This structure defines the payload of an ioctl, and is used
* below.
*
* Note that this structure should fit on the memory footprint
* of iwreq (which is the same as ifreq), which mean a max size of
* 16 octets = 128 bits. Warning, pointers might be 64 bits wide...
* You should check this when increasing the structures defined
* above in this file...
*/
union iwreq_data {
/* Config - generic */
char name[IFNAMSIZ];
/* Name : used to verify the presence of wireless extensions.
* Name of the protocol/provider... */
struct iw_point essid; /* Extended network name */
struct iw_param nwid; /* network id (or domain - the cell) */
struct iw_freq freq; /* frequency or channel :
* 0-1000 = channel
* > 1000 = frequency in Hz */
struct iw_param sens; /* signal level threshold */
struct iw_param bitrate; /* default bit rate */
struct iw_param txpower; /* default transmit power */
struct iw_param rts; /* RTS threshold threshold */
struct iw_param frag; /* Fragmentation threshold */
__u32 mode; /* Operation mode */
struct iw_param retry; /* Retry limits & lifetime */
struct iw_point encoding; /* Encoding stuff : tokens */
struct iw_param power; /* PM duration/timeout */
struct iw_quality qual; /* Quality part of statistics */
struct sockaddr ap_addr; /* Access point address */
struct sockaddr addr; /* Destination address (hw/mac) */
struct iw_param param; /* Other small parameters */
struct iw_point data; /* Other large parameters */
};
/*
* The structure to exchange data for ioctl.
* This structure is the same as 'struct ifreq', but (re)defined for
* convenience...
* Do I need to remind you about structure size (32 octets) ?
*/
struct iwreq {
union
{
char ifrn_name[IFNAMSIZ]; /* if name, e.g. "eth0" */
} ifr_ifrn;
/* Data part (defined just above) */
union iwreq_data u;
};
/* -------------------------- IOCTL DATA -------------------------- */
/*
* For those ioctl which want to exchange mode data that what could
* fit in the above structure...
*/
/*
* Range of parameters
*/
struct iw_range {
/* Informative stuff (to choose between different interface) */
__u32 throughput; /* To give an idea... */
/* In theory this value should be the maximum benchmarked
* TCP/IP throughput, because with most of these devices the
* bit rate is meaningless (overhead an co) to estimate how
* fast the connection will go and pick the fastest one.
* I suggest people to play with Netperf or any benchmark...
*/
/* NWID (or domain id) */
__u32 min_nwid; /* Minimal NWID we are able to set */
__u32 max_nwid; /* Maximal NWID we are able to set */
/* Old Frequency (backward compat - moved lower ) */
__u16 old_num_channels;
__u8 old_num_frequency;
/* Scan capabilities */
__u8 scan_capa; /* IW_SCAN_CAPA_* bit field */
/* Wireless event capability bitmasks */
__u32 event_capa[6];
/* signal level threshold range */
__s32 sensitivity;
/* Quality of link & SNR stuff */
/* Quality range (link, level, noise)
* If the quality is absolute, it will be in the range [0 ; max_qual],
* if the quality is dBm, it will be in the range [max_qual ; 0].
* Don't forget that we use 8 bit arithmetics... */
struct iw_quality max_qual; /* Quality of the link */
/* This should contain the average/typical values of the quality
* indicator. This should be the threshold between a "good" and
* a "bad" link (example : monitor going from green to orange).
* Currently, user space apps like quality monitors don't have any
* way to calibrate the measurement. With this, they can split
* the range between 0 and max_qual in different quality level
* (using a geometric subdivision centered on the average).
* I expect that people doing the user space apps will feedback
* us on which value we need to put in each driver... */
struct iw_quality avg_qual; /* Quality of the link */
/* Rates */
__u8 num_bitrates; /* Number of entries in the list */
__s32 bitrate[IW_MAX_BITRATES]; /* list, in bps */
/* RTS threshold */
__s32 min_rts; /* Minimal RTS threshold */
__s32 max_rts; /* Maximal RTS threshold */
/* Frag threshold */
__s32 min_frag; /* Minimal frag threshold */
__s32 max_frag; /* Maximal frag threshold */
/* Power Management duration & timeout */
__s32 min_pmp; /* Minimal PM period */
__s32 max_pmp; /* Maximal PM period */
__s32 min_pmt; /* Minimal PM timeout */
__s32 max_pmt; /* Maximal PM timeout */
__u16 pmp_flags; /* How to decode max/min PM period */
__u16 pmt_flags; /* How to decode max/min PM timeout */
__u16 pm_capa; /* What PM options are supported */
/* Encoder stuff */
__u16 encoding_size[IW_MAX_ENCODING_SIZES]; /* Different token sizes */
__u8 num_encoding_sizes; /* Number of entry in the list */
__u8 max_encoding_tokens; /* Max number of tokens */
/* For drivers that need a "login/passwd" form */
__u8 encoding_login_index; /* token index for login token */
/* Transmit power */
__u16 txpower_capa; /* What options are supported */
__u8 num_txpower; /* Number of entries in the list */
__s32 txpower[IW_MAX_TXPOWER]; /* list, in bps */
/* Wireless Extension version info */
__u8 we_version_compiled; /* Must be WIRELESS_EXT */
__u8 we_version_source; /* Last update of source */
/* Retry limits and lifetime */
__u16 retry_capa; /* What retry options are supported */
__u16 retry_flags; /* How to decode max/min retry limit */
__u16 r_time_flags; /* How to decode max/min retry life */
__s32 min_retry; /* Minimal number of retries */
__s32 max_retry; /* Maximal number of retries */
__s32 min_r_time; /* Minimal retry lifetime */
__s32 max_r_time; /* Maximal retry lifetime */
/* Frequency */
__u16 num_channels; /* Number of channels [0; num - 1] */
__u8 num_frequency; /* Number of entry in the list */
struct iw_freq freq[IW_MAX_FREQUENCIES]; /* list */
/* Note : this frequency list doesn't need to fit channel numbers,
* because each entry contain its channel index */
__u32 enc_capa; /* IW_ENC_CAPA_* bit field */
};
/*
* Private ioctl interface information
*/
struct iw_priv_args {
__u32 cmd; /* Number of the ioctl to issue */
__u16 set_args; /* Type and number of args */
__u16 get_args; /* Type and number of args */
char name[IFNAMSIZ]; /* Name of the extension */
};
/* ----------------------- WIRELESS EVENTS ----------------------- */
/*
* Wireless events are carried through the rtnetlink socket to user
* space. They are encapsulated in the IFLA_WIRELESS field of
* a RTM_NEWLINK message.
*/
/*
* A Wireless Event. Contains basically the same data as the ioctl...
*/
struct iw_event {
__u16 len; /* Real length of this stuff */
__u16 cmd; /* Wireless IOCTL */
union iwreq_data u; /* IOCTL fixed payload */
};
/* Size of the Event prefix (including padding and alignement junk) */
#define IW_EV_LCP_LEN (sizeof(struct iw_event) - sizeof(union iwreq_data))
/* Size of the various events */
#define IW_EV_CHAR_LEN (IW_EV_LCP_LEN + IFNAMSIZ)
#define IW_EV_UINT_LEN (IW_EV_LCP_LEN + sizeof(__u32))
#define IW_EV_FREQ_LEN (IW_EV_LCP_LEN + sizeof(struct iw_freq))
#define IW_EV_PARAM_LEN (IW_EV_LCP_LEN + sizeof(struct iw_param))
#define IW_EV_ADDR_LEN (IW_EV_LCP_LEN + sizeof(struct sockaddr))
#define IW_EV_QUAL_LEN (IW_EV_LCP_LEN + sizeof(struct iw_quality))
/* iw_point events are special. First, the payload (extra data) come at
* the end of the event, so they are bigger than IW_EV_POINT_LEN. Second,
* we omit the pointer, so start at an offset. */
#define IW_EV_POINT_OFF offsetof(struct iw_point, length)
#define IW_EV_POINT_LEN (IW_EV_LCP_LEN + sizeof(struct iw_point) - \
IW_EV_POINT_OFF)
/* Size of the Event prefix when packed in stream */
#define IW_EV_LCP_PK_LEN (4)
/* Size of the various events when packed in stream */
#define IW_EV_CHAR_PK_LEN (IW_EV_LCP_PK_LEN + IFNAMSIZ)
#define IW_EV_UINT_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(__u32))
#define IW_EV_FREQ_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_freq))
#define IW_EV_PARAM_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_param))
#define IW_EV_ADDR_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct sockaddr))
#define IW_EV_QUAL_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_quality))
#define IW_EV_POINT_PK_LEN (IW_EV_LCP_PK_LEN + 4)
#endif /* _LINUX_WIRELESS_H */
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