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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2/*3 * This file define a set of standard wireless extensions4 *5 * Version : 22 16.3.076 *7 * Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com>8 * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved.9 */10 11#ifndef _UAPI_LINUX_WIRELESS_H12#define _UAPI_LINUX_WIRELESS_H13 14/************************** DOCUMENTATION **************************/15/*16 * Initial APIs (1996 -> onward) :17 * -----------------------------18 * Basically, the wireless extensions are for now a set of standard ioctl19 * call + /proc/net/wireless20 *21 * The entry /proc/net/wireless give statistics and information on the22 * driver.23 * This is better than having each driver having its entry because24 * its centralised and we may remove the driver module safely.25 *26 * Ioctl are used to configure the driver and issue commands. This is27 * better than command line options of insmod because we may want to28 * change dynamically (while the driver is running) some parameters.29 *30 * The ioctl mechanimsm are copied from standard devices ioctl.31 * We have the list of command plus a structure descibing the32 * data exchanged...33 * Note that to add these ioctl, I was obliged to modify :34 * # net/core/dev.c (two place + add include)35 * # net/ipv4/af_inet.c (one place + add include)36 *37 * /proc/net/wireless is a copy of /proc/net/dev.38 * We have a structure for data passed from the driver to /proc/net/wireless39 * Too add this, I've modified :40 * # net/core/dev.c (two other places)41 * # include/linux/netdevice.h (one place)42 * # include/linux/proc_fs.h (one place)43 *44 * New driver API (2002 -> onward) :45 * -------------------------------46 * This file is only concerned with the user space API and common definitions.47 * The new driver API is defined and documented in :48 * # include/net/iw_handler.h49 *50 * Note as well that /proc/net/wireless implementation has now moved in :51 * # net/core/wireless.c52 *53 * Wireless Events (2002 -> onward) :54 * --------------------------------55 * Events are defined at the end of this file, and implemented in :56 * # net/core/wireless.c57 *58 * Other comments :59 * --------------60 * Do not add here things that are redundant with other mechanisms61 * (drivers init, ifconfig, /proc/net/dev, ...) and with are not62 * wireless specific.63 *64 * These wireless extensions are not magic : each driver has to provide65 * support for them...66 *67 * IMPORTANT NOTE : As everything in the kernel, this is very much a68 * work in progress. Contact me if you have ideas of improvements...69 */70 71/***************************** INCLUDES *****************************/72 73#include <linux/types.h> /* for __u* and __s* typedefs */74#include <linux/socket.h> /* for "struct sockaddr" et al */75#include <linux/if.h> /* for IFNAMSIZ and co... */76 77#ifdef __KERNEL__78# include <linux/stddef.h> /* for offsetof */79#else80# include <stddef.h> /* for offsetof */81#endif82 83/***************************** VERSION *****************************/84/*85 * This constant is used to know the availability of the wireless86 * extensions and to know which version of wireless extensions it is87 * (there is some stuff that will be added in the future...)88 * I just plan to increment with each new version.89 */90#define WIRELESS_EXT 2291 92/*93 * Changes :94 *95 * V2 to V396 * --------97 * Alan Cox start some incompatibles changes. I've integrated a bit more.98 * - Encryption renamed to Encode to avoid US regulation problems99 * - Frequency changed from float to struct to avoid problems on old 386100 *101 * V3 to V4102 * --------103 * - Add sensitivity104 *105 * V4 to V5106 * --------107 * - Missing encoding definitions in range108 * - Access points stuff109 *110 * V5 to V6111 * --------112 * - 802.11 support (ESSID ioctls)113 *114 * V6 to V7115 * --------116 * - define IW_ESSID_MAX_SIZE and IW_MAX_AP117 *118 * V7 to V8119 * --------120 * - Changed my e-mail address121 * - More 802.11 support (nickname, rate, rts, frag)122 * - List index in frequencies123 *124 * V8 to V9125 * --------126 * - Support for 'mode of operation' (ad-hoc, managed...)127 * - Support for unicast and multicast power saving128 * - Change encoding to support larger tokens (>64 bits)129 * - Updated iw_params (disable, flags) and use it for NWID130 * - Extracted iw_point from iwreq for clarity131 *132 * V9 to V10133 * ---------134 * - Add PM capability to range structure135 * - Add PM modifier : MAX/MIN/RELATIVE136 * - Add encoding option : IW_ENCODE_NOKEY137 * - Add TxPower ioctls (work like TxRate)138 *139 * V10 to V11140 * ----------141 * - Add WE version in range (help backward/forward compatibility)142 * - Add retry ioctls (work like PM)143 *144 * V11 to V12145 * ----------146 * - Add SIOCSIWSTATS to get /proc/net/wireless programatically147 * - Add DEV PRIVATE IOCTL to avoid collisions in SIOCDEVPRIVATE space148 * - Add new statistics (frag, retry, beacon)149 * - Add average quality (for user space calibration)150 *151 * V12 to V13152 * ----------153 * - Document creation of new driver API.154 * - Extract union iwreq_data from struct iwreq (for new driver API).155 * - Rename SIOCSIWNAME as SIOCSIWCOMMIT156 *157 * V13 to V14158 * ----------159 * - Wireless Events support : define struct iw_event160 * - Define additional specific event numbers161 * - Add "addr" and "param" fields in union iwreq_data162 * - AP scanning stuff (SIOCSIWSCAN and friends)163 *164 * V14 to V15165 * ----------166 * - Add IW_PRIV_TYPE_ADDR for struct sockaddr private arg167 * - Make struct iw_freq signed (both m & e), add explicit padding168 * - Add IWEVCUSTOM for driver specific event/scanning token169 * - Add IW_MAX_GET_SPY for driver returning a lot of addresses170 * - Add IW_TXPOW_RANGE for range of Tx Powers171 * - Add IWEVREGISTERED & IWEVEXPIRED events for Access Points172 * - Add IW_MODE_MONITOR for passive monitor173 *174 * V15 to V16175 * ----------176 * - Increase the number of bitrates in iw_range to 32 (for 802.11g)177 * - Increase the number of frequencies in iw_range to 32 (for 802.11b+a)178 * - Reshuffle struct iw_range for increases, add filler179 * - Increase IW_MAX_AP to 64 for driver returning a lot of addresses180 * - Remove IW_MAX_GET_SPY because conflict with enhanced spy support181 * - Add SIOCSIWTHRSPY/SIOCGIWTHRSPY and "struct iw_thrspy"182 * - Add IW_ENCODE_TEMP and iw_range->encoding_login_index183 *184 * V16 to V17185 * ----------186 * - Add flags to frequency -> auto/fixed187 * - Document (struct iw_quality *)->updated, add new flags (INVALID)188 * - Wireless Event capability in struct iw_range189 * - Add support for relative TxPower (yick !)190 *191 * V17 to V18 (From Jouni Malinen <j@w1.fi>)192 * ----------193 * - Add support for WPA/WPA2194 * - Add extended encoding configuration (SIOCSIWENCODEEXT and195 * SIOCGIWENCODEEXT)196 * - Add SIOCSIWGENIE/SIOCGIWGENIE197 * - Add SIOCSIWMLME198 * - Add SIOCSIWPMKSA199 * - Add struct iw_range bit field for supported encoding capabilities200 * - Add optional scan request parameters for SIOCSIWSCAN201 * - Add SIOCSIWAUTH/SIOCGIWAUTH for setting authentication and WPA202 * related parameters (extensible up to 4096 parameter values)203 * - Add wireless events: IWEVGENIE, IWEVMICHAELMICFAILURE,204 * IWEVASSOCREQIE, IWEVASSOCRESPIE, IWEVPMKIDCAND205 *206 * V18 to V19207 * ----------208 * - Remove (struct iw_point *)->pointer from events and streams209 * - Remove header includes to help user space210 * - Increase IW_ENCODING_TOKEN_MAX from 32 to 64211 * - Add IW_QUAL_ALL_UPDATED and IW_QUAL_ALL_INVALID macros212 * - Add explicit flag to tell stats are in dBm : IW_QUAL_DBM213 * - Add IW_IOCTL_IDX() and IW_EVENT_IDX() macros214 *215 * V19 to V20216 * ----------217 * - RtNetlink requests support (SET/GET)218 *219 * V20 to V21220 * ----------221 * - Remove (struct net_device *)->get_wireless_stats()222 * - Change length in ESSID and NICK to strlen() instead of strlen()+1223 * - Add IW_RETRY_SHORT/IW_RETRY_LONG retry modifiers224 * - Power/Retry relative values no longer * 100000225 * - Add explicit flag to tell stats are in 802.11k RCPI : IW_QUAL_RCPI226 *227 * V21 to V22228 * ----------229 * - Prevent leaking of kernel space in stream on 64 bits.230 */231 232/**************************** CONSTANTS ****************************/233 234/* -------------------------- IOCTL LIST -------------------------- */235 236/* Wireless Identification */237#define SIOCSIWCOMMIT 0x8B00 /* Commit pending changes to driver */238#define SIOCGIWNAME 0x8B01 /* get name == wireless protocol */239/* SIOCGIWNAME is used to verify the presence of Wireless Extensions.240 * Common values : "IEEE 802.11-DS", "IEEE 802.11-FH", "IEEE 802.11b"...241 * Don't put the name of your driver there, it's useless. */242 243/* Basic operations */244#define SIOCSIWNWID 0x8B02 /* set network id (pre-802.11) */245#define SIOCGIWNWID 0x8B03 /* get network id (the cell) */246#define SIOCSIWFREQ 0x8B04 /* set channel/frequency (Hz) */247#define SIOCGIWFREQ 0x8B05 /* get channel/frequency (Hz) */248#define SIOCSIWMODE 0x8B06 /* set operation mode */249#define SIOCGIWMODE 0x8B07 /* get operation mode */250#define SIOCSIWSENS 0x8B08 /* set sensitivity (dBm) */251#define SIOCGIWSENS 0x8B09 /* get sensitivity (dBm) */252 253/* Informative stuff */254#define SIOCSIWRANGE 0x8B0A /* Unused */255#define SIOCGIWRANGE 0x8B0B /* Get range of parameters */256#define SIOCSIWPRIV 0x8B0C /* Unused */257#define SIOCGIWPRIV 0x8B0D /* get private ioctl interface info */258#define SIOCSIWSTATS 0x8B0E /* Unused */259#define SIOCGIWSTATS 0x8B0F /* Get /proc/net/wireless stats */260/* SIOCGIWSTATS is strictly used between user space and the kernel, and261 * is never passed to the driver (i.e. the driver will never see it). */262 263/* Spy support (statistics per MAC address - used for Mobile IP support) */264#define SIOCSIWSPY 0x8B10 /* set spy addresses */265#define SIOCGIWSPY 0x8B11 /* get spy info (quality of link) */266#define SIOCSIWTHRSPY 0x8B12 /* set spy threshold (spy event) */267#define SIOCGIWTHRSPY 0x8B13 /* get spy threshold */268 269/* Access Point manipulation */270#define SIOCSIWAP 0x8B14 /* set access point MAC addresses */271#define SIOCGIWAP 0x8B15 /* get access point MAC addresses */272#define SIOCGIWAPLIST 0x8B17 /* Deprecated in favor of scanning */273#define SIOCSIWSCAN 0x8B18 /* trigger scanning (list cells) */274#define SIOCGIWSCAN 0x8B19 /* get scanning results */275 276/* 802.11 specific support */277#define SIOCSIWESSID 0x8B1A /* set ESSID (network name) */278#define SIOCGIWESSID 0x8B1B /* get ESSID */279#define SIOCSIWNICKN 0x8B1C /* set node name/nickname */280#define SIOCGIWNICKN 0x8B1D /* get node name/nickname */281/* As the ESSID and NICKN are strings up to 32 bytes long, it doesn't fit282 * within the 'iwreq' structure, so we need to use the 'data' member to283 * point to a string in user space, like it is done for RANGE... */284 285/* Other parameters useful in 802.11 and some other devices */286#define SIOCSIWRATE 0x8B20 /* set default bit rate (bps) */287#define SIOCGIWRATE 0x8B21 /* get default bit rate (bps) */288#define SIOCSIWRTS 0x8B22 /* set RTS/CTS threshold (bytes) */289#define SIOCGIWRTS 0x8B23 /* get RTS/CTS threshold (bytes) */290#define SIOCSIWFRAG 0x8B24 /* set fragmentation thr (bytes) */291#define SIOCGIWFRAG 0x8B25 /* get fragmentation thr (bytes) */292#define SIOCSIWTXPOW 0x8B26 /* set transmit power (dBm) */293#define SIOCGIWTXPOW 0x8B27 /* get transmit power (dBm) */294#define SIOCSIWRETRY 0x8B28 /* set retry limits and lifetime */295#define SIOCGIWRETRY 0x8B29 /* get retry limits and lifetime */296 297/* Encoding stuff (scrambling, hardware security, WEP...) */298#define SIOCSIWENCODE 0x8B2A /* set encoding token & mode */299#define SIOCGIWENCODE 0x8B2B /* get encoding token & mode */300/* Power saving stuff (power management, unicast and multicast) */301#define SIOCSIWPOWER 0x8B2C /* set Power Management settings */302#define SIOCGIWPOWER 0x8B2D /* get Power Management settings */303 304/* WPA : Generic IEEE 802.11 informatiom element (e.g., for WPA/RSN/WMM).305 * This ioctl uses struct iw_point and data buffer that includes IE id and len306 * fields. More than one IE may be included in the request. Setting the generic307 * IE to empty buffer (len=0) removes the generic IE from the driver. Drivers308 * are allowed to generate their own WPA/RSN IEs, but in these cases, drivers309 * are required to report the used IE as a wireless event, e.g., when310 * associating with an AP. */311#define SIOCSIWGENIE 0x8B30 /* set generic IE */312#define SIOCGIWGENIE 0x8B31 /* get generic IE */313 314/* WPA : IEEE 802.11 MLME requests */315#define SIOCSIWMLME 0x8B16 /* request MLME operation; uses316 * struct iw_mlme */317/* WPA : Authentication mode parameters */318#define SIOCSIWAUTH 0x8B32 /* set authentication mode params */319#define SIOCGIWAUTH 0x8B33 /* get authentication mode params */320 321/* WPA : Extended version of encoding configuration */322#define SIOCSIWENCODEEXT 0x8B34 /* set encoding token & mode */323#define SIOCGIWENCODEEXT 0x8B35 /* get encoding token & mode */324 325/* WPA2 : PMKSA cache management */326#define SIOCSIWPMKSA 0x8B36 /* PMKSA cache operation */327 328/* -------------------- DEV PRIVATE IOCTL LIST -------------------- */329 330/* These 32 ioctl are wireless device private, for 16 commands.331 * Each driver is free to use them for whatever purpose it chooses,332 * however the driver *must* export the description of those ioctls333 * with SIOCGIWPRIV and *must* use arguments as defined below.334 * If you don't follow those rules, DaveM is going to hate you (reason :335 * it make mixed 32/64bit operation impossible).336 */337#define SIOCIWFIRSTPRIV 0x8BE0338#define SIOCIWLASTPRIV 0x8BFF339/* Previously, we were using SIOCDEVPRIVATE, but we now have our340 * separate range because of collisions with other tools such as341 * 'mii-tool'.342 * We now have 32 commands, so a bit more space ;-).343 * Also, all 'even' commands are only usable by root and don't return the344 * content of ifr/iwr to user (but you are not obliged to use the set/get345 * convention, just use every other two command). More details in iwpriv.c.346 * And I repeat : you are not forced to use them with iwpriv, but you347 * must be compliant with it.348 */349 350/* ------------------------- IOCTL STUFF ------------------------- */351 352/* The first and the last (range) */353#define SIOCIWFIRST 0x8B00354#define SIOCIWLAST SIOCIWLASTPRIV /* 0x8BFF */355#define IW_IOCTL_IDX(cmd) ((cmd) - SIOCIWFIRST)356#define IW_HANDLER(id, func) \357 [IW_IOCTL_IDX(id)] = func358 359/* Odd : get (world access), even : set (root access) */360#define IW_IS_SET(cmd) (!((cmd) & 0x1))361#define IW_IS_GET(cmd) ((cmd) & 0x1)362 363/* ----------------------- WIRELESS EVENTS ----------------------- */364/* Those are *NOT* ioctls, do not issue request on them !!! */365/* Most events use the same identifier as ioctl requests */366 367#define IWEVTXDROP 0x8C00 /* Packet dropped to excessive retry */368#define IWEVQUAL 0x8C01 /* Quality part of statistics (scan) */369#define IWEVCUSTOM 0x8C02 /* Driver specific ascii string */370#define IWEVREGISTERED 0x8C03 /* Discovered a new node (AP mode) */371#define IWEVEXPIRED 0x8C04 /* Expired a node (AP mode) */372#define IWEVGENIE 0x8C05 /* Generic IE (WPA, RSN, WMM, ..)373 * (scan results); This includes id and374 * length fields. One IWEVGENIE may375 * contain more than one IE. Scan376 * results may contain one or more377 * IWEVGENIE events. */378#define IWEVMICHAELMICFAILURE 0x8C06 /* Michael MIC failure379 * (struct iw_michaelmicfailure)380 */381#define IWEVASSOCREQIE 0x8C07 /* IEs used in (Re)Association Request.382 * The data includes id and length383 * fields and may contain more than one384 * IE. This event is required in385 * Managed mode if the driver386 * generates its own WPA/RSN IE. This387 * should be sent just before388 * IWEVREGISTERED event for the389 * association. */390#define IWEVASSOCRESPIE 0x8C08 /* IEs used in (Re)Association391 * Response. The data includes id and392 * length fields and may contain more393 * than one IE. This may be sent394 * between IWEVASSOCREQIE and395 * IWEVREGISTERED events for the396 * association. */397#define IWEVPMKIDCAND 0x8C09 /* PMKID candidate for RSN398 * pre-authentication399 * (struct iw_pmkid_cand) */400 401#define IWEVFIRST 0x8C00402#define IW_EVENT_IDX(cmd) ((cmd) - IWEVFIRST)403 404/* ------------------------- PRIVATE INFO ------------------------- */405/*406 * The following is used with SIOCGIWPRIV. It allow a driver to define407 * the interface (name, type of data) for its private ioctl.408 * Privates ioctl are SIOCIWFIRSTPRIV -> SIOCIWLASTPRIV409 */410 411#define IW_PRIV_TYPE_MASK 0x7000 /* Type of arguments */412#define IW_PRIV_TYPE_NONE 0x0000413#define IW_PRIV_TYPE_BYTE 0x1000 /* Char as number */414#define IW_PRIV_TYPE_CHAR 0x2000 /* Char as character */415#define IW_PRIV_TYPE_INT 0x4000 /* 32 bits int */416#define IW_PRIV_TYPE_FLOAT 0x5000 /* struct iw_freq */417#define IW_PRIV_TYPE_ADDR 0x6000 /* struct sockaddr */418 419#define IW_PRIV_SIZE_FIXED 0x0800 /* Variable or fixed number of args */420 421#define IW_PRIV_SIZE_MASK 0x07FF /* Max number of those args */422 423/*424 * Note : if the number of args is fixed and the size < 16 octets,425 * instead of passing a pointer we will put args in the iwreq struct...426 */427 428/* ----------------------- OTHER CONSTANTS ----------------------- */429 430/* Maximum frequencies in the range struct */431#define IW_MAX_FREQUENCIES 32432/* Note : if you have something like 80 frequencies,433 * don't increase this constant and don't fill the frequency list.434 * The user will be able to set by channel anyway... */435 436/* Maximum bit rates in the range struct */437#define IW_MAX_BITRATES 32438 439/* Maximum tx powers in the range struct */440#define IW_MAX_TXPOWER 8441/* Note : if you more than 8 TXPowers, just set the max and min or442 * a few of them in the struct iw_range. */443 444/* Maximum of address that you may set with SPY */445#define IW_MAX_SPY 8446 447/* Maximum of address that you may get in the448 list of access points in range */449#define IW_MAX_AP 64450 451/* Maximum size of the ESSID and NICKN strings */452#define IW_ESSID_MAX_SIZE 32453 454/* Modes of operation */455#define IW_MODE_AUTO 0 /* Let the driver decides */456#define IW_MODE_ADHOC 1 /* Single cell network */457#define IW_MODE_INFRA 2 /* Multi cell network, roaming, ... */458#define IW_MODE_MASTER 3 /* Synchronisation master or Access Point */459#define IW_MODE_REPEAT 4 /* Wireless Repeater (forwarder) */460#define IW_MODE_SECOND 5 /* Secondary master/repeater (backup) */461#define IW_MODE_MONITOR 6 /* Passive monitor (listen only) */462#define IW_MODE_MESH 7 /* Mesh (IEEE 802.11s) network */463 464/* Statistics flags (bitmask in updated) */465#define IW_QUAL_QUAL_UPDATED 0x01 /* Value was updated since last read */466#define IW_QUAL_LEVEL_UPDATED 0x02467#define IW_QUAL_NOISE_UPDATED 0x04468#define IW_QUAL_ALL_UPDATED 0x07469#define IW_QUAL_DBM 0x08 /* Level + Noise are dBm */470#define IW_QUAL_QUAL_INVALID 0x10 /* Driver doesn't provide value */471#define IW_QUAL_LEVEL_INVALID 0x20472#define IW_QUAL_NOISE_INVALID 0x40473#define IW_QUAL_RCPI 0x80 /* Level + Noise are 802.11k RCPI */474#define IW_QUAL_ALL_INVALID 0x70475 476/* Frequency flags */477#define IW_FREQ_AUTO 0x00 /* Let the driver decides */478#define IW_FREQ_FIXED 0x01 /* Force a specific value */479 480/* Maximum number of size of encoding token available481 * they are listed in the range structure */482#define IW_MAX_ENCODING_SIZES 8483 484/* Maximum size of the encoding token in bytes */485#define IW_ENCODING_TOKEN_MAX 64 /* 512 bits (for now) */486 487/* Flags for encoding (along with the token) */488#define IW_ENCODE_INDEX 0x00FF /* Token index (if needed) */489#define IW_ENCODE_FLAGS 0xFF00 /* Flags defined below */490#define IW_ENCODE_MODE 0xF000 /* Modes defined below */491#define IW_ENCODE_DISABLED 0x8000 /* Encoding disabled */492#define IW_ENCODE_ENABLED 0x0000 /* Encoding enabled */493#define IW_ENCODE_RESTRICTED 0x4000 /* Refuse non-encoded packets */494#define IW_ENCODE_OPEN 0x2000 /* Accept non-encoded packets */495#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */496#define IW_ENCODE_TEMP 0x0400 /* Temporary key */497 498/* Power management flags available (along with the value, if any) */499#define IW_POWER_ON 0x0000 /* No details... */500#define IW_POWER_TYPE 0xF000 /* Type of parameter */501#define IW_POWER_PERIOD 0x1000 /* Value is a period/duration of */502#define IW_POWER_TIMEOUT 0x2000 /* Value is a timeout (to go asleep) */503#define IW_POWER_MODE 0x0F00 /* Power Management mode */504#define IW_POWER_UNICAST_R 0x0100 /* Receive only unicast messages */505#define IW_POWER_MULTICAST_R 0x0200 /* Receive only multicast messages */506#define IW_POWER_ALL_R 0x0300 /* Receive all messages though PM */507#define IW_POWER_FORCE_S 0x0400 /* Force PM procedure for sending unicast */508#define IW_POWER_REPEATER 0x0800 /* Repeat broadcast messages in PM period */509#define IW_POWER_MODIFIER 0x000F /* Modify a parameter */510#define IW_POWER_MIN 0x0001 /* Value is a minimum */511#define IW_POWER_MAX 0x0002 /* Value is a maximum */512#define IW_POWER_RELATIVE 0x0004 /* Value is not in seconds/ms/us */513 514/* Transmit Power flags available */515#define IW_TXPOW_TYPE 0x00FF /* Type of value */516#define IW_TXPOW_DBM 0x0000 /* Value is in dBm */517#define IW_TXPOW_MWATT 0x0001 /* Value is in mW */518#define IW_TXPOW_RELATIVE 0x0002 /* Value is in arbitrary units */519#define IW_TXPOW_RANGE 0x1000 /* Range of value between min/max */520 521/* Retry limits and lifetime flags available */522#define IW_RETRY_ON 0x0000 /* No details... */523#define IW_RETRY_TYPE 0xF000 /* Type of parameter */524#define IW_RETRY_LIMIT 0x1000 /* Maximum number of retries*/525#define IW_RETRY_LIFETIME 0x2000 /* Maximum duration of retries in us */526#define IW_RETRY_MODIFIER 0x00FF /* Modify a parameter */527#define IW_RETRY_MIN 0x0001 /* Value is a minimum */528#define IW_RETRY_MAX 0x0002 /* Value is a maximum */529#define IW_RETRY_RELATIVE 0x0004 /* Value is not in seconds/ms/us */530#define IW_RETRY_SHORT 0x0010 /* Value is for short packets */531#define IW_RETRY_LONG 0x0020 /* Value is for long packets */532 533/* Scanning request flags */534#define IW_SCAN_DEFAULT 0x0000 /* Default scan of the driver */535#define IW_SCAN_ALL_ESSID 0x0001 /* Scan all ESSIDs */536#define IW_SCAN_THIS_ESSID 0x0002 /* Scan only this ESSID */537#define IW_SCAN_ALL_FREQ 0x0004 /* Scan all Frequencies */538#define IW_SCAN_THIS_FREQ 0x0008 /* Scan only this Frequency */539#define IW_SCAN_ALL_MODE 0x0010 /* Scan all Modes */540#define IW_SCAN_THIS_MODE 0x0020 /* Scan only this Mode */541#define IW_SCAN_ALL_RATE 0x0040 /* Scan all Bit-Rates */542#define IW_SCAN_THIS_RATE 0x0080 /* Scan only this Bit-Rate */543/* struct iw_scan_req scan_type */544#define IW_SCAN_TYPE_ACTIVE 0545#define IW_SCAN_TYPE_PASSIVE 1546/* Maximum size of returned data */547#define IW_SCAN_MAX_DATA 4096 /* In bytes */548 549/* Scan capability flags - in (struct iw_range *)->scan_capa */550#define IW_SCAN_CAPA_NONE 0x00551#define IW_SCAN_CAPA_ESSID 0x01552#define IW_SCAN_CAPA_BSSID 0x02553#define IW_SCAN_CAPA_CHANNEL 0x04554#define IW_SCAN_CAPA_MODE 0x08555#define IW_SCAN_CAPA_RATE 0x10556#define IW_SCAN_CAPA_TYPE 0x20557#define IW_SCAN_CAPA_TIME 0x40558 559/* Max number of char in custom event - use multiple of them if needed */560#define IW_CUSTOM_MAX 256 /* In bytes */561 562/* Generic information element */563#define IW_GENERIC_IE_MAX 1024564 565/* MLME requests (SIOCSIWMLME / struct iw_mlme) */566#define IW_MLME_DEAUTH 0567#define IW_MLME_DISASSOC 1568#define IW_MLME_AUTH 2569#define IW_MLME_ASSOC 3570 571/* SIOCSIWAUTH/SIOCGIWAUTH struct iw_param flags */572#define IW_AUTH_INDEX 0x0FFF573#define IW_AUTH_FLAGS 0xF000574/* SIOCSIWAUTH/SIOCGIWAUTH parameters (0 .. 4095)575 * (IW_AUTH_INDEX mask in struct iw_param flags; this is the index of the576 * parameter that is being set/get to; value will be read/written to577 * struct iw_param value field) */578#define IW_AUTH_WPA_VERSION 0579#define IW_AUTH_CIPHER_PAIRWISE 1580#define IW_AUTH_CIPHER_GROUP 2581#define IW_AUTH_KEY_MGMT 3582#define IW_AUTH_TKIP_COUNTERMEASURES 4583#define IW_AUTH_DROP_UNENCRYPTED 5584#define IW_AUTH_80211_AUTH_ALG 6585#define IW_AUTH_WPA_ENABLED 7586#define IW_AUTH_RX_UNENCRYPTED_EAPOL 8587#define IW_AUTH_ROAMING_CONTROL 9588#define IW_AUTH_PRIVACY_INVOKED 10589#define IW_AUTH_CIPHER_GROUP_MGMT 11590#define IW_AUTH_MFP 12591 592/* IW_AUTH_WPA_VERSION values (bit field) */593#define IW_AUTH_WPA_VERSION_DISABLED 0x00000001594#define IW_AUTH_WPA_VERSION_WPA 0x00000002595#define IW_AUTH_WPA_VERSION_WPA2 0x00000004596 597/* IW_AUTH_PAIRWISE_CIPHER, IW_AUTH_GROUP_CIPHER, and IW_AUTH_CIPHER_GROUP_MGMT598 * values (bit field) */599#define IW_AUTH_CIPHER_NONE 0x00000001600#define IW_AUTH_CIPHER_WEP40 0x00000002601#define IW_AUTH_CIPHER_TKIP 0x00000004602#define IW_AUTH_CIPHER_CCMP 0x00000008603#define IW_AUTH_CIPHER_WEP104 0x00000010604#define IW_AUTH_CIPHER_AES_CMAC 0x00000020605 606/* IW_AUTH_KEY_MGMT values (bit field) */607#define IW_AUTH_KEY_MGMT_802_1X 1608#define IW_AUTH_KEY_MGMT_PSK 2609 610/* IW_AUTH_80211_AUTH_ALG values (bit field) */611#define IW_AUTH_ALG_OPEN_SYSTEM 0x00000001612#define IW_AUTH_ALG_SHARED_KEY 0x00000002613#define IW_AUTH_ALG_LEAP 0x00000004614 615/* IW_AUTH_ROAMING_CONTROL values */616#define IW_AUTH_ROAMING_ENABLE 0 /* driver/firmware based roaming */617#define IW_AUTH_ROAMING_DISABLE 1 /* user space program used for roaming618 * control */619 620/* IW_AUTH_MFP (management frame protection) values */621#define IW_AUTH_MFP_DISABLED 0 /* MFP disabled */622#define IW_AUTH_MFP_OPTIONAL 1 /* MFP optional */623#define IW_AUTH_MFP_REQUIRED 2 /* MFP required */624 625/* SIOCSIWENCODEEXT definitions */626#define IW_ENCODE_SEQ_MAX_SIZE 8627/* struct iw_encode_ext ->alg */628#define IW_ENCODE_ALG_NONE 0629#define IW_ENCODE_ALG_WEP 1630#define IW_ENCODE_ALG_TKIP 2631#define IW_ENCODE_ALG_CCMP 3632#define IW_ENCODE_ALG_PMK 4633#define IW_ENCODE_ALG_AES_CMAC 5634/* struct iw_encode_ext ->ext_flags */635#define IW_ENCODE_EXT_TX_SEQ_VALID 0x00000001636#define IW_ENCODE_EXT_RX_SEQ_VALID 0x00000002637#define IW_ENCODE_EXT_GROUP_KEY 0x00000004638#define IW_ENCODE_EXT_SET_TX_KEY 0x00000008639 640/* IWEVMICHAELMICFAILURE : struct iw_michaelmicfailure ->flags */641#define IW_MICFAILURE_KEY_ID 0x00000003 /* Key ID 0..3 */642#define IW_MICFAILURE_GROUP 0x00000004643#define IW_MICFAILURE_PAIRWISE 0x00000008644#define IW_MICFAILURE_STAKEY 0x00000010645#define IW_MICFAILURE_COUNT 0x00000060 /* 1 or 2 (0 = count not supported)646 */647 648/* Bit field values for enc_capa in struct iw_range */649#define IW_ENC_CAPA_WPA 0x00000001650#define IW_ENC_CAPA_WPA2 0x00000002651#define IW_ENC_CAPA_CIPHER_TKIP 0x00000004652#define IW_ENC_CAPA_CIPHER_CCMP 0x00000008653#define IW_ENC_CAPA_4WAY_HANDSHAKE 0x00000010654 655/* Event capability macros - in (struct iw_range *)->event_capa656 * Because we have more than 32 possible events, we use an array of657 * 32 bit bitmasks. Note : 32 bits = 0x20 = 2^5. */658#define IW_EVENT_CAPA_BASE(cmd) ((cmd >= SIOCIWFIRSTPRIV) ? \659 (cmd - SIOCIWFIRSTPRIV + 0x60) : \660 (cmd - SIOCIWFIRST))661#define IW_EVENT_CAPA_INDEX(cmd) (IW_EVENT_CAPA_BASE(cmd) >> 5)662#define IW_EVENT_CAPA_MASK(cmd) (1 << (IW_EVENT_CAPA_BASE(cmd) & 0x1F))663/* Event capability constants - event autogenerated by the kernel664 * This list is valid for most 802.11 devices, customise as needed... */665#define IW_EVENT_CAPA_K_0 (IW_EVENT_CAPA_MASK(0x8B04) | \666 IW_EVENT_CAPA_MASK(0x8B06) | \667 IW_EVENT_CAPA_MASK(0x8B1A))668#define IW_EVENT_CAPA_K_1 (IW_EVENT_CAPA_MASK(0x8B2A))669/* "Easy" macro to set events in iw_range (less efficient) */670#define IW_EVENT_CAPA_SET(event_capa, cmd) (event_capa[IW_EVENT_CAPA_INDEX(cmd)] |= IW_EVENT_CAPA_MASK(cmd))671#define IW_EVENT_CAPA_SET_KERNEL(event_capa) {event_capa[0] |= IW_EVENT_CAPA_K_0; event_capa[1] |= IW_EVENT_CAPA_K_1; }672 673 674/****************************** TYPES ******************************/675 676/* --------------------------- SUBTYPES --------------------------- */677/*678 * Generic format for most parameters that fit in an int679 */680struct iw_param {681 __s32 value; /* The value of the parameter itself */682 __u8 fixed; /* Hardware should not use auto select */683 __u8 disabled; /* Disable the feature */684 __u16 flags; /* Various specifc flags (if any) */685};686 687/*688 * For all data larger than 16 octets, we need to use a689 * pointer to memory allocated in user space.690 */691struct iw_point {692 void __user *pointer; /* Pointer to the data (in user space) */693 __u16 length; /* number of fields or size in bytes */694 __u16 flags; /* Optional params */695};696 697 698/*699 * A frequency700 * For numbers lower than 10^9, we encode the number in 'm' and701 * set 'e' to 0702 * For number greater than 10^9, we divide it by the lowest power703 * of 10 to get 'm' lower than 10^9, with 'm'= f / (10^'e')...704 * The power of 10 is in 'e', the result of the division is in 'm'.705 */706struct iw_freq {707 __s32 m; /* Mantissa */708 __s16 e; /* Exponent */709 __u8 i; /* List index (when in range struct) */710 __u8 flags; /* Flags (fixed/auto) */711};712 713/*714 * Quality of the link715 */716struct iw_quality {717 __u8 qual; /* link quality (%retries, SNR,718 %missed beacons or better...) */719 __u8 level; /* signal level (dBm) */720 __u8 noise; /* noise level (dBm) */721 __u8 updated; /* Flags to know if updated */722};723 724/*725 * Packet discarded in the wireless adapter due to726 * "wireless" specific problems...727 * Note : the list of counter and statistics in net_device_stats728 * is already pretty exhaustive, and you should use that first.729 * This is only additional stats...730 */731struct iw_discarded {732 __u32 nwid; /* Rx : Wrong nwid/essid */733 __u32 code; /* Rx : Unable to code/decode (WEP) */734 __u32 fragment; /* Rx : Can't perform MAC reassembly */735 __u32 retries; /* Tx : Max MAC retries num reached */736 __u32 misc; /* Others cases */737};738 739/*740 * Packet/Time period missed in the wireless adapter due to741 * "wireless" specific problems...742 */743struct iw_missed {744 __u32 beacon; /* Missed beacons/superframe */745};746 747/*748 * Quality range (for spy threshold)749 */750struct iw_thrspy {751 struct sockaddr addr; /* Source address (hw/mac) */752 struct iw_quality qual; /* Quality of the link */753 struct iw_quality low; /* Low threshold */754 struct iw_quality high; /* High threshold */755};756 757/*758 * Optional data for scan request759 *760 * Note: these optional parameters are controlling parameters for the761 * scanning behavior, these do not apply to getting scan results762 * (SIOCGIWSCAN). Drivers are expected to keep a local BSS table and763 * provide a merged results with all BSSes even if the previous scan764 * request limited scanning to a subset, e.g., by specifying an SSID.765 * Especially, scan results are required to include an entry for the766 * current BSS if the driver is in Managed mode and associated with an AP.767 */768struct iw_scan_req {769 __u8 scan_type; /* IW_SCAN_TYPE_{ACTIVE,PASSIVE} */770 __u8 essid_len;771 __u8 num_channels; /* num entries in channel_list;772 * 0 = scan all allowed channels */773 __u8 flags; /* reserved as padding; use zero, this may774 * be used in the future for adding flags775 * to request different scan behavior */776 struct sockaddr bssid; /* ff:ff:ff:ff:ff:ff for broadcast BSSID or777 * individual address of a specific BSS */778 779 /*780 * Use this ESSID if IW_SCAN_THIS_ESSID flag is used instead of using781 * the current ESSID. This allows scan requests for specific ESSID782 * without having to change the current ESSID and potentially breaking783 * the current association.784 */785 __u8 essid[IW_ESSID_MAX_SIZE];786 787 /*788 * Optional parameters for changing the default scanning behavior.789 * These are based on the MLME-SCAN.request from IEEE Std 802.11.790 * TU is 1.024 ms. If these are set to 0, driver is expected to use791 * reasonable default values. min_channel_time defines the time that792 * will be used to wait for the first reply on each channel. If no793 * replies are received, next channel will be scanned after this. If794 * replies are received, total time waited on the channel is defined by795 * max_channel_time.796 */797 __u32 min_channel_time; /* in TU */798 __u32 max_channel_time; /* in TU */799 800 struct iw_freq channel_list[IW_MAX_FREQUENCIES];801};802 803/* ------------------------- WPA SUPPORT ------------------------- */804 805/*806 * Extended data structure for get/set encoding (this is used with807 * SIOCSIWENCODEEXT/SIOCGIWENCODEEXT. struct iw_point and IW_ENCODE_*808 * flags are used in the same way as with SIOCSIWENCODE/SIOCGIWENCODE and809 * only the data contents changes (key data -> this structure, including810 * key data).811 *812 * If the new key is the first group key, it will be set as the default813 * TX key. Otherwise, default TX key index is only changed if814 * IW_ENCODE_EXT_SET_TX_KEY flag is set.815 *816 * Key will be changed with SIOCSIWENCODEEXT in all cases except for817 * special "change TX key index" operation which is indicated by setting818 * key_len = 0 and ext_flags |= IW_ENCODE_EXT_SET_TX_KEY.819 *820 * tx_seq/rx_seq are only used when respective821 * IW_ENCODE_EXT_{TX,RX}_SEQ_VALID flag is set in ext_flags. Normal822 * TKIP/CCMP operation is to set RX seq with SIOCSIWENCODEEXT and start823 * TX seq from zero whenever key is changed. SIOCGIWENCODEEXT is normally824 * used only by an Authenticator (AP or an IBSS station) to get the825 * current TX sequence number. Using TX_SEQ_VALID for SIOCSIWENCODEEXT and826 * RX_SEQ_VALID for SIOCGIWENCODEEXT are optional, but can be useful for827 * debugging/testing.828 */829struct iw_encode_ext {830 __u32 ext_flags; /* IW_ENCODE_EXT_* */831 __u8 tx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */832 __u8 rx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */833 struct sockaddr addr; /* ff:ff:ff:ff:ff:ff for broadcast/multicast834 * (group) keys or unicast address for835 * individual keys */836 __u16 alg; /* IW_ENCODE_ALG_* */837 __u16 key_len;838 __u8 key[];839};840 841/* SIOCSIWMLME data */842struct iw_mlme {843 __u16 cmd; /* IW_MLME_* */844 __u16 reason_code;845 struct sockaddr addr;846};847 848/* SIOCSIWPMKSA data */849#define IW_PMKSA_ADD 1850#define IW_PMKSA_REMOVE 2851#define IW_PMKSA_FLUSH 3852 853#define IW_PMKID_LEN 16854 855struct iw_pmksa {856 __u32 cmd; /* IW_PMKSA_* */857 struct sockaddr bssid;858 __u8 pmkid[IW_PMKID_LEN];859};860 861/* IWEVMICHAELMICFAILURE data */862struct iw_michaelmicfailure {863 __u32 flags;864 struct sockaddr src_addr;865 __u8 tsc[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */866};867 868/* IWEVPMKIDCAND data */869#define IW_PMKID_CAND_PREAUTH 0x00000001 /* RNS pre-authentication enabled */870struct iw_pmkid_cand {871 __u32 flags; /* IW_PMKID_CAND_* */872 __u32 index; /* the smaller the index, the higher the873 * priority */874 struct sockaddr bssid;875};876 877/* ------------------------ WIRELESS STATS ------------------------ */878/*879 * Wireless statistics (used for /proc/net/wireless)880 */881struct iw_statistics {882 __u16 status; /* Status883 * - device dependent for now */884 885 struct iw_quality qual; /* Quality of the link886 * (instant/mean/max) */887 struct iw_discarded discard; /* Packet discarded counts */888 struct iw_missed miss; /* Packet missed counts */889};890 891/* ------------------------ IOCTL REQUEST ------------------------ */892/*893 * This structure defines the payload of an ioctl, and is used894 * below.895 *896 * Note that this structure should fit on the memory footprint897 * of iwreq (which is the same as ifreq), which mean a max size of898 * 16 octets = 128 bits. Warning, pointers might be 64 bits wide...899 * You should check this when increasing the structures defined900 * above in this file...901 */902union iwreq_data {903 /* Config - generic */904 char name[IFNAMSIZ];905 /* Name : used to verify the presence of wireless extensions.906 * Name of the protocol/provider... */907 908 struct iw_point essid; /* Extended network name */909 struct iw_param nwid; /* network id (or domain - the cell) */910 struct iw_freq freq; /* frequency or channel :911 * 0-1000 = channel912 * > 1000 = frequency in Hz */913 914 struct iw_param sens; /* signal level threshold */915 struct iw_param bitrate; /* default bit rate */916 struct iw_param txpower; /* default transmit power */917 struct iw_param rts; /* RTS threshold */918 struct iw_param frag; /* Fragmentation threshold */919 __u32 mode; /* Operation mode */920 struct iw_param retry; /* Retry limits & lifetime */921 922 struct iw_point encoding; /* Encoding stuff : tokens */923 struct iw_param power; /* PM duration/timeout */924 struct iw_quality qual; /* Quality part of statistics */925 926 struct sockaddr ap_addr; /* Access point address */927 struct sockaddr addr; /* Destination address (hw/mac) */928 929 struct iw_param param; /* Other small parameters */930 struct iw_point data; /* Other large parameters */931};932 933/*934 * The structure to exchange data for ioctl.935 * This structure is the same as 'struct ifreq', but (re)defined for936 * convenience...937 * Do I need to remind you about structure size (32 octets) ?938 */939struct iwreq {940 union941 {942 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "eth0" */943 } ifr_ifrn;944 945 /* Data part (defined just above) */946 union iwreq_data u;947};948 949/* -------------------------- IOCTL DATA -------------------------- */950/*951 * For those ioctl which want to exchange mode data that what could952 * fit in the above structure...953 */954 955/*956 * Range of parameters957 */958 959struct iw_range {960 /* Informative stuff (to choose between different interface) */961 __u32 throughput; /* To give an idea... */962 /* In theory this value should be the maximum benchmarked963 * TCP/IP throughput, because with most of these devices the964 * bit rate is meaningless (overhead an co) to estimate how965 * fast the connection will go and pick the fastest one.966 * I suggest people to play with Netperf or any benchmark...967 */968 969 /* NWID (or domain id) */970 __u32 min_nwid; /* Minimal NWID we are able to set */971 __u32 max_nwid; /* Maximal NWID we are able to set */972 973 /* Old Frequency (backward compat - moved lower ) */974 __u16 old_num_channels;975 __u8 old_num_frequency;976 977 /* Scan capabilities */978 __u8 scan_capa; /* IW_SCAN_CAPA_* bit field */979 980 /* Wireless event capability bitmasks */981 __u32 event_capa[6];982 983 /* signal level threshold range */984 __s32 sensitivity;985 986 /* Quality of link & SNR stuff */987 /* Quality range (link, level, noise)988 * If the quality is absolute, it will be in the range [0 ; max_qual],989 * if the quality is dBm, it will be in the range [max_qual ; 0].990 * Don't forget that we use 8 bit arithmetics... */991 struct iw_quality max_qual; /* Quality of the link */992 /* This should contain the average/typical values of the quality993 * indicator. This should be the threshold between a "good" and994 * a "bad" link (example : monitor going from green to orange).995 * Currently, user space apps like quality monitors don't have any996 * way to calibrate the measurement. With this, they can split997 * the range between 0 and max_qual in different quality level998 * (using a geometric subdivision centered on the average).999 * I expect that people doing the user space apps will feedback1000 * us on which value we need to put in each driver... */1001 struct iw_quality avg_qual; /* Quality of the link */1002 1003 /* Rates */1004 __u8 num_bitrates; /* Number of entries in the list */1005 __s32 bitrate[IW_MAX_BITRATES]; /* list, in bps */1006 1007 /* RTS threshold */1008 __s32 min_rts; /* Minimal RTS threshold */1009 __s32 max_rts; /* Maximal RTS threshold */1010 1011 /* Frag threshold */1012 __s32 min_frag; /* Minimal frag threshold */1013 __s32 max_frag; /* Maximal frag threshold */1014 1015 /* Power Management duration & timeout */1016 __s32 min_pmp; /* Minimal PM period */1017 __s32 max_pmp; /* Maximal PM period */1018 __s32 min_pmt; /* Minimal PM timeout */1019 __s32 max_pmt; /* Maximal PM timeout */1020 __u16 pmp_flags; /* How to decode max/min PM period */1021 __u16 pmt_flags; /* How to decode max/min PM timeout */1022 __u16 pm_capa; /* What PM options are supported */1023 1024 /* Encoder stuff */1025 __u16 encoding_size[IW_MAX_ENCODING_SIZES]; /* Different token sizes */1026 __u8 num_encoding_sizes; /* Number of entry in the list */1027 __u8 max_encoding_tokens; /* Max number of tokens */1028 /* For drivers that need a "login/passwd" form */1029 __u8 encoding_login_index; /* token index for login token */1030 1031 /* Transmit power */1032 __u16 txpower_capa; /* What options are supported */1033 __u8 num_txpower; /* Number of entries in the list */1034 __s32 txpower[IW_MAX_TXPOWER]; /* list, in bps */1035 1036 /* Wireless Extension version info */1037 __u8 we_version_compiled; /* Must be WIRELESS_EXT */1038 __u8 we_version_source; /* Last update of source */1039 1040 /* Retry limits and lifetime */1041 __u16 retry_capa; /* What retry options are supported */1042 __u16 retry_flags; /* How to decode max/min retry limit */1043 __u16 r_time_flags; /* How to decode max/min retry life */1044 __s32 min_retry; /* Minimal number of retries */1045 __s32 max_retry; /* Maximal number of retries */1046 __s32 min_r_time; /* Minimal retry lifetime */1047 __s32 max_r_time; /* Maximal retry lifetime */1048 1049 /* Frequency */1050 __u16 num_channels; /* Number of channels [0; num - 1] */1051 __u8 num_frequency; /* Number of entry in the list */1052 struct iw_freq freq[IW_MAX_FREQUENCIES]; /* list */1053 /* Note : this frequency list doesn't need to fit channel numbers,1054 * because each entry contain its channel index */1055 1056 __u32 enc_capa; /* IW_ENC_CAPA_* bit field */1057};1058 1059/*1060 * Private ioctl interface information1061 */1062 1063struct iw_priv_args {1064 __u32 cmd; /* Number of the ioctl to issue */1065 __u16 set_args; /* Type and number of args */1066 __u16 get_args; /* Type and number of args */1067 char name[IFNAMSIZ]; /* Name of the extension */1068};1069 1070/* ----------------------- WIRELESS EVENTS ----------------------- */1071/*1072 * Wireless events are carried through the rtnetlink socket to user1073 * space. They are encapsulated in the IFLA_WIRELESS field of1074 * a RTM_NEWLINK message.1075 */1076 1077/*1078 * A Wireless Event. Contains basically the same data as the ioctl...1079 */1080struct iw_event {1081 __u16 len; /* Real length of this stuff */1082 __u16 cmd; /* Wireless IOCTL */1083 union iwreq_data u; /* IOCTL fixed payload */1084};1085 1086/* Size of the Event prefix (including padding and alignement junk) */1087#define IW_EV_LCP_LEN (sizeof(struct iw_event) - sizeof(union iwreq_data))1088/* Size of the various events */1089#define IW_EV_CHAR_LEN (IW_EV_LCP_LEN + IFNAMSIZ)1090#define IW_EV_UINT_LEN (IW_EV_LCP_LEN + sizeof(__u32))1091#define IW_EV_FREQ_LEN (IW_EV_LCP_LEN + sizeof(struct iw_freq))1092#define IW_EV_PARAM_LEN (IW_EV_LCP_LEN + sizeof(struct iw_param))1093#define IW_EV_ADDR_LEN (IW_EV_LCP_LEN + sizeof(struct sockaddr))1094#define IW_EV_QUAL_LEN (IW_EV_LCP_LEN + sizeof(struct iw_quality))1095 1096/* iw_point events are special. First, the payload (extra data) come at1097 * the end of the event, so they are bigger than IW_EV_POINT_LEN. Second,1098 * we omit the pointer, so start at an offset. */1099#define IW_EV_POINT_OFF offsetof(struct iw_point, length)1100#define IW_EV_POINT_LEN (IW_EV_LCP_LEN + sizeof(struct iw_point) - \1101 IW_EV_POINT_OFF)1102 1103 1104/* Size of the Event prefix when packed in stream */1105#define IW_EV_LCP_PK_LEN (4)1106/* Size of the various events when packed in stream */1107#define IW_EV_CHAR_PK_LEN (IW_EV_LCP_PK_LEN + IFNAMSIZ)1108#define IW_EV_UINT_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(__u32))1109#define IW_EV_FREQ_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_freq))1110#define IW_EV_PARAM_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_param))1111#define IW_EV_ADDR_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct sockaddr))1112#define IW_EV_QUAL_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_quality))1113#define IW_EV_POINT_PK_LEN (IW_EV_LCP_PK_LEN + 4)1114 1115#endif /* _UAPI_LINUX_WIRELESS_H */1116