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0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 0002 /* 0003 * This file define a set of standard wireless extensions 0004 * 0005 * Version : 22 16.3.07 0006 * 0007 * Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com> 0008 * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved. 0009 */ 0010 0011 #ifndef _UAPI_LINUX_WIRELESS_H 0012 #define _UAPI_LINUX_WIRELESS_H 0013 0014 /************************** DOCUMENTATION **************************/ 0015 /* 0016 * Initial APIs (1996 -> onward) : 0017 * ----------------------------- 0018 * Basically, the wireless extensions are for now a set of standard ioctl 0019 * call + /proc/net/wireless 0020 * 0021 * The entry /proc/net/wireless give statistics and information on the 0022 * driver. 0023 * This is better than having each driver having its entry because 0024 * its centralised and we may remove the driver module safely. 0025 * 0026 * Ioctl are used to configure the driver and issue commands. This is 0027 * better than command line options of insmod because we may want to 0028 * change dynamically (while the driver is running) some parameters. 0029 * 0030 * The ioctl mechanimsm are copied from standard devices ioctl. 0031 * We have the list of command plus a structure descibing the 0032 * data exchanged... 0033 * Note that to add these ioctl, I was obliged to modify : 0034 * # net/core/dev.c (two place + add include) 0035 * # net/ipv4/af_inet.c (one place + add include) 0036 * 0037 * /proc/net/wireless is a copy of /proc/net/dev. 0038 * We have a structure for data passed from the driver to /proc/net/wireless 0039 * Too add this, I've modified : 0040 * # net/core/dev.c (two other places) 0041 * # include/linux/netdevice.h (one place) 0042 * # include/linux/proc_fs.h (one place) 0043 * 0044 * New driver API (2002 -> onward) : 0045 * ------------------------------- 0046 * This file is only concerned with the user space API and common definitions. 0047 * The new driver API is defined and documented in : 0048 * # include/net/iw_handler.h 0049 * 0050 * Note as well that /proc/net/wireless implementation has now moved in : 0051 * # net/core/wireless.c 0052 * 0053 * Wireless Events (2002 -> onward) : 0054 * -------------------------------- 0055 * Events are defined at the end of this file, and implemented in : 0056 * # net/core/wireless.c 0057 * 0058 * Other comments : 0059 * -------------- 0060 * Do not add here things that are redundant with other mechanisms 0061 * (drivers init, ifconfig, /proc/net/dev, ...) and with are not 0062 * wireless specific. 0063 * 0064 * These wireless extensions are not magic : each driver has to provide 0065 * support for them... 0066 * 0067 * IMPORTANT NOTE : As everything in the kernel, this is very much a 0068 * work in progress. Contact me if you have ideas of improvements... 0069 */ 0070 0071 /***************************** INCLUDES *****************************/ 0072 0073 #include <linux/types.h> /* for __u* and __s* typedefs */ 0074 #include <linux/socket.h> /* for "struct sockaddr" et al */ 0075 #include <linux/if.h> /* for IFNAMSIZ and co... */ 0076 0077 #ifdef __KERNEL__ 0078 # include <linux/stddef.h> /* for offsetof */ 0079 #else 0080 # include <stddef.h> /* for offsetof */ 0081 #endif 0082 0083 /***************************** VERSION *****************************/ 0084 /* 0085 * This constant is used to know the availability of the wireless 0086 * extensions and to know which version of wireless extensions it is 0087 * (there is some stuff that will be added in the future...) 0088 * I just plan to increment with each new version. 0089 */ 0090 #define WIRELESS_EXT 22 0091 0092 /* 0093 * Changes : 0094 * 0095 * V2 to V3 0096 * -------- 0097 * Alan Cox start some incompatibles changes. I've integrated a bit more. 0098 * - Encryption renamed to Encode to avoid US regulation problems 0099 * - Frequency changed from float to struct to avoid problems on old 386 0100 * 0101 * V3 to V4 0102 * -------- 0103 * - Add sensitivity 0104 * 0105 * V4 to V5 0106 * -------- 0107 * - Missing encoding definitions in range 0108 * - Access points stuff 0109 * 0110 * V5 to V6 0111 * -------- 0112 * - 802.11 support (ESSID ioctls) 0113 * 0114 * V6 to V7 0115 * -------- 0116 * - define IW_ESSID_MAX_SIZE and IW_MAX_AP 0117 * 0118 * V7 to V8 0119 * -------- 0120 * - Changed my e-mail address 0121 * - More 802.11 support (nickname, rate, rts, frag) 0122 * - List index in frequencies 0123 * 0124 * V8 to V9 0125 * -------- 0126 * - Support for 'mode of operation' (ad-hoc, managed...) 0127 * - Support for unicast and multicast power saving 0128 * - Change encoding to support larger tokens (>64 bits) 0129 * - Updated iw_params (disable, flags) and use it for NWID 0130 * - Extracted iw_point from iwreq for clarity 0131 * 0132 * V9 to V10 0133 * --------- 0134 * - Add PM capability to range structure 0135 * - Add PM modifier : MAX/MIN/RELATIVE 0136 * - Add encoding option : IW_ENCODE_NOKEY 0137 * - Add TxPower ioctls (work like TxRate) 0138 * 0139 * V10 to V11 0140 * ---------- 0141 * - Add WE version in range (help backward/forward compatibility) 0142 * - Add retry ioctls (work like PM) 0143 * 0144 * V11 to V12 0145 * ---------- 0146 * - Add SIOCSIWSTATS to get /proc/net/wireless programatically 0147 * - Add DEV PRIVATE IOCTL to avoid collisions in SIOCDEVPRIVATE space 0148 * - Add new statistics (frag, retry, beacon) 0149 * - Add average quality (for user space calibration) 0150 * 0151 * V12 to V13 0152 * ---------- 0153 * - Document creation of new driver API. 0154 * - Extract union iwreq_data from struct iwreq (for new driver API). 0155 * - Rename SIOCSIWNAME as SIOCSIWCOMMIT 0156 * 0157 * V13 to V14 0158 * ---------- 0159 * - Wireless Events support : define struct iw_event 0160 * - Define additional specific event numbers 0161 * - Add "addr" and "param" fields in union iwreq_data 0162 * - AP scanning stuff (SIOCSIWSCAN and friends) 0163 * 0164 * V14 to V15 0165 * ---------- 0166 * - Add IW_PRIV_TYPE_ADDR for struct sockaddr private arg 0167 * - Make struct iw_freq signed (both m & e), add explicit padding 0168 * - Add IWEVCUSTOM for driver specific event/scanning token 0169 * - Add IW_MAX_GET_SPY for driver returning a lot of addresses 0170 * - Add IW_TXPOW_RANGE for range of Tx Powers 0171 * - Add IWEVREGISTERED & IWEVEXPIRED events for Access Points 0172 * - Add IW_MODE_MONITOR for passive monitor 0173 * 0174 * V15 to V16 0175 * ---------- 0176 * - Increase the number of bitrates in iw_range to 32 (for 802.11g) 0177 * - Increase the number of frequencies in iw_range to 32 (for 802.11b+a) 0178 * - Reshuffle struct iw_range for increases, add filler 0179 * - Increase IW_MAX_AP to 64 for driver returning a lot of addresses 0180 * - Remove IW_MAX_GET_SPY because conflict with enhanced spy support 0181 * - Add SIOCSIWTHRSPY/SIOCGIWTHRSPY and "struct iw_thrspy" 0182 * - Add IW_ENCODE_TEMP and iw_range->encoding_login_index 0183 * 0184 * V16 to V17 0185 * ---------- 0186 * - Add flags to frequency -> auto/fixed 0187 * - Document (struct iw_quality *)->updated, add new flags (INVALID) 0188 * - Wireless Event capability in struct iw_range 0189 * - Add support for relative TxPower (yick !) 0190 * 0191 * V17 to V18 (From Jouni Malinen <j@w1.fi>) 0192 * ---------- 0193 * - Add support for WPA/WPA2 0194 * - Add extended encoding configuration (SIOCSIWENCODEEXT and 0195 * SIOCGIWENCODEEXT) 0196 * - Add SIOCSIWGENIE/SIOCGIWGENIE 0197 * - Add SIOCSIWMLME 0198 * - Add SIOCSIWPMKSA 0199 * - Add struct iw_range bit field for supported encoding capabilities 0200 * - Add optional scan request parameters for SIOCSIWSCAN 0201 * - Add SIOCSIWAUTH/SIOCGIWAUTH for setting authentication and WPA 0202 * related parameters (extensible up to 4096 parameter values) 0203 * - Add wireless events: IWEVGENIE, IWEVMICHAELMICFAILURE, 0204 * IWEVASSOCREQIE, IWEVASSOCRESPIE, IWEVPMKIDCAND 0205 * 0206 * V18 to V19 0207 * ---------- 0208 * - Remove (struct iw_point *)->pointer from events and streams 0209 * - Remove header includes to help user space 0210 * - Increase IW_ENCODING_TOKEN_MAX from 32 to 64 0211 * - Add IW_QUAL_ALL_UPDATED and IW_QUAL_ALL_INVALID macros 0212 * - Add explicit flag to tell stats are in dBm : IW_QUAL_DBM 0213 * - Add IW_IOCTL_IDX() and IW_EVENT_IDX() macros 0214 * 0215 * V19 to V20 0216 * ---------- 0217 * - RtNetlink requests support (SET/GET) 0218 * 0219 * V20 to V21 0220 * ---------- 0221 * - Remove (struct net_device *)->get_wireless_stats() 0222 * - Change length in ESSID and NICK to strlen() instead of strlen()+1 0223 * - Add IW_RETRY_SHORT/IW_RETRY_LONG retry modifiers 0224 * - Power/Retry relative values no longer * 100000 0225 * - Add explicit flag to tell stats are in 802.11k RCPI : IW_QUAL_RCPI 0226 * 0227 * V21 to V22 0228 * ---------- 0229 * - Prevent leaking of kernel space in stream on 64 bits. 0230 */ 0231 0232 /**************************** CONSTANTS ****************************/ 0233 0234 /* -------------------------- IOCTL LIST -------------------------- */ 0235 0236 /* Wireless Identification */ 0237 #define SIOCSIWCOMMIT 0x8B00 /* Commit pending changes to driver */ 0238 #define SIOCGIWNAME 0x8B01 /* get name == wireless protocol */ 0239 /* SIOCGIWNAME is used to verify the presence of Wireless Extensions. 0240 * Common values : "IEEE 802.11-DS", "IEEE 802.11-FH", "IEEE 802.11b"... 0241 * Don't put the name of your driver there, it's useless. */ 0242 0243 /* Basic operations */ 0244 #define SIOCSIWNWID 0x8B02 /* set network id (pre-802.11) */ 0245 #define SIOCGIWNWID 0x8B03 /* get network id (the cell) */ 0246 #define SIOCSIWFREQ 0x8B04 /* set channel/frequency (Hz) */ 0247 #define SIOCGIWFREQ 0x8B05 /* get channel/frequency (Hz) */ 0248 #define SIOCSIWMODE 0x8B06 /* set operation mode */ 0249 #define SIOCGIWMODE 0x8B07 /* get operation mode */ 0250 #define SIOCSIWSENS 0x8B08 /* set sensitivity (dBm) */ 0251 #define SIOCGIWSENS 0x8B09 /* get sensitivity (dBm) */ 0252 0253 /* Informative stuff */ 0254 #define SIOCSIWRANGE 0x8B0A /* Unused */ 0255 #define SIOCGIWRANGE 0x8B0B /* Get range of parameters */ 0256 #define SIOCSIWPRIV 0x8B0C /* Unused */ 0257 #define SIOCGIWPRIV 0x8B0D /* get private ioctl interface info */ 0258 #define SIOCSIWSTATS 0x8B0E /* Unused */ 0259 #define SIOCGIWSTATS 0x8B0F /* Get /proc/net/wireless stats */ 0260 /* SIOCGIWSTATS is strictly used between user space and the kernel, and 0261 * is never passed to the driver (i.e. the driver will never see it). */ 0262 0263 /* Spy support (statistics per MAC address - used for Mobile IP support) */ 0264 #define SIOCSIWSPY 0x8B10 /* set spy addresses */ 0265 #define SIOCGIWSPY 0x8B11 /* get spy info (quality of link) */ 0266 #define SIOCSIWTHRSPY 0x8B12 /* set spy threshold (spy event) */ 0267 #define SIOCGIWTHRSPY 0x8B13 /* get spy threshold */ 0268 0269 /* Access Point manipulation */ 0270 #define SIOCSIWAP 0x8B14 /* set access point MAC addresses */ 0271 #define SIOCGIWAP 0x8B15 /* get access point MAC addresses */ 0272 #define SIOCGIWAPLIST 0x8B17 /* Deprecated in favor of scanning */ 0273 #define SIOCSIWSCAN 0x8B18 /* trigger scanning (list cells) */ 0274 #define SIOCGIWSCAN 0x8B19 /* get scanning results */ 0275 0276 /* 802.11 specific support */ 0277 #define SIOCSIWESSID 0x8B1A /* set ESSID (network name) */ 0278 #define SIOCGIWESSID 0x8B1B /* get ESSID */ 0279 #define SIOCSIWNICKN 0x8B1C /* set node name/nickname */ 0280 #define SIOCGIWNICKN 0x8B1D /* get node name/nickname */ 0281 /* As the ESSID and NICKN are strings up to 32 bytes long, it doesn't fit 0282 * within the 'iwreq' structure, so we need to use the 'data' member to 0283 * point to a string in user space, like it is done for RANGE... */ 0284 0285 /* Other parameters useful in 802.11 and some other devices */ 0286 #define SIOCSIWRATE 0x8B20 /* set default bit rate (bps) */ 0287 #define SIOCGIWRATE 0x8B21 /* get default bit rate (bps) */ 0288 #define SIOCSIWRTS 0x8B22 /* set RTS/CTS threshold (bytes) */ 0289 #define SIOCGIWRTS 0x8B23 /* get RTS/CTS threshold (bytes) */ 0290 #define SIOCSIWFRAG 0x8B24 /* set fragmentation thr (bytes) */ 0291 #define SIOCGIWFRAG 0x8B25 /* get fragmentation thr (bytes) */ 0292 #define SIOCSIWTXPOW 0x8B26 /* set transmit power (dBm) */ 0293 #define SIOCGIWTXPOW 0x8B27 /* get transmit power (dBm) */ 0294 #define SIOCSIWRETRY 0x8B28 /* set retry limits and lifetime */ 0295 #define SIOCGIWRETRY 0x8B29 /* get retry limits and lifetime */ 0296 0297 /* Encoding stuff (scrambling, hardware security, WEP...) */ 0298 #define SIOCSIWENCODE 0x8B2A /* set encoding token & mode */ 0299 #define SIOCGIWENCODE 0x8B2B /* get encoding token & mode */ 0300 /* Power saving stuff (power management, unicast and multicast) */ 0301 #define SIOCSIWPOWER 0x8B2C /* set Power Management settings */ 0302 #define SIOCGIWPOWER 0x8B2D /* get Power Management settings */ 0303 0304 /* WPA : Generic IEEE 802.11 informatiom element (e.g., for WPA/RSN/WMM). 0305 * This ioctl uses struct iw_point and data buffer that includes IE id and len 0306 * fields. More than one IE may be included in the request. Setting the generic 0307 * IE to empty buffer (len=0) removes the generic IE from the driver. Drivers 0308 * are allowed to generate their own WPA/RSN IEs, but in these cases, drivers 0309 * are required to report the used IE as a wireless event, e.g., when 0310 * associating with an AP. */ 0311 #define SIOCSIWGENIE 0x8B30 /* set generic IE */ 0312 #define SIOCGIWGENIE 0x8B31 /* get generic IE */ 0313 0314 /* WPA : IEEE 802.11 MLME requests */ 0315 #define SIOCSIWMLME 0x8B16 /* request MLME operation; uses 0316 * struct iw_mlme */ 0317 /* WPA : Authentication mode parameters */ 0318 #define SIOCSIWAUTH 0x8B32 /* set authentication mode params */ 0319 #define SIOCGIWAUTH 0x8B33 /* get authentication mode params */ 0320 0321 /* WPA : Extended version of encoding configuration */ 0322 #define SIOCSIWENCODEEXT 0x8B34 /* set encoding token & mode */ 0323 #define SIOCGIWENCODEEXT 0x8B35 /* get encoding token & mode */ 0324 0325 /* WPA2 : PMKSA cache management */ 0326 #define SIOCSIWPMKSA 0x8B36 /* PMKSA cache operation */ 0327 0328 /* -------------------- DEV PRIVATE IOCTL LIST -------------------- */ 0329 0330 /* These 32 ioctl are wireless device private, for 16 commands. 0331 * Each driver is free to use them for whatever purpose it chooses, 0332 * however the driver *must* export the description of those ioctls 0333 * with SIOCGIWPRIV and *must* use arguments as defined below. 0334 * If you don't follow those rules, DaveM is going to hate you (reason : 0335 * it make mixed 32/64bit operation impossible). 0336 */ 0337 #define SIOCIWFIRSTPRIV 0x8BE0 0338 #define SIOCIWLASTPRIV 0x8BFF 0339 /* Previously, we were using SIOCDEVPRIVATE, but we now have our 0340 * separate range because of collisions with other tools such as 0341 * 'mii-tool'. 0342 * We now have 32 commands, so a bit more space ;-). 0343 * Also, all 'even' commands are only usable by root and don't return the 0344 * content of ifr/iwr to user (but you are not obliged to use the set/get 0345 * convention, just use every other two command). More details in iwpriv.c. 0346 * And I repeat : you are not forced to use them with iwpriv, but you 0347 * must be compliant with it. 0348 */ 0349 0350 /* ------------------------- IOCTL STUFF ------------------------- */ 0351 0352 /* The first and the last (range) */ 0353 #define SIOCIWFIRST 0x8B00 0354 #define SIOCIWLAST SIOCIWLASTPRIV /* 0x8BFF */ 0355 #define IW_IOCTL_IDX(cmd) ((cmd) - SIOCIWFIRST) 0356 #define IW_HANDLER(id, func) \ 0357 [IW_IOCTL_IDX(id)] = func 0358 0359 /* Odd : get (world access), even : set (root access) */ 0360 #define IW_IS_SET(cmd) (!((cmd) & 0x1)) 0361 #define IW_IS_GET(cmd) ((cmd) & 0x1) 0362 0363 /* ----------------------- WIRELESS EVENTS ----------------------- */ 0364 /* Those are *NOT* ioctls, do not issue request on them !!! */ 0365 /* Most events use the same identifier as ioctl requests */ 0366 0367 #define IWEVTXDROP 0x8C00 /* Packet dropped to excessive retry */ 0368 #define IWEVQUAL 0x8C01 /* Quality part of statistics (scan) */ 0369 #define IWEVCUSTOM 0x8C02 /* Driver specific ascii string */ 0370 #define IWEVREGISTERED 0x8C03 /* Discovered a new node (AP mode) */ 0371 #define IWEVEXPIRED 0x8C04 /* Expired a node (AP mode) */ 0372 #define IWEVGENIE 0x8C05 /* Generic IE (WPA, RSN, WMM, ..) 0373 * (scan results); This includes id and 0374 * length fields. One IWEVGENIE may 0375 * contain more than one IE. Scan 0376 * results may contain one or more 0377 * IWEVGENIE events. */ 0378 #define IWEVMICHAELMICFAILURE 0x8C06 /* Michael MIC failure 0379 * (struct iw_michaelmicfailure) 0380 */ 0381 #define IWEVASSOCREQIE 0x8C07 /* IEs used in (Re)Association Request. 0382 * The data includes id and length 0383 * fields and may contain more than one 0384 * IE. This event is required in 0385 * Managed mode if the driver 0386 * generates its own WPA/RSN IE. This 0387 * should be sent just before 0388 * IWEVREGISTERED event for the 0389 * association. */ 0390 #define IWEVASSOCRESPIE 0x8C08 /* IEs used in (Re)Association 0391 * Response. The data includes id and 0392 * length fields and may contain more 0393 * than one IE. This may be sent 0394 * between IWEVASSOCREQIE and 0395 * IWEVREGISTERED events for the 0396 * association. */ 0397 #define IWEVPMKIDCAND 0x8C09 /* PMKID candidate for RSN 0398 * pre-authentication 0399 * (struct iw_pmkid_cand) */ 0400 0401 #define IWEVFIRST 0x8C00 0402 #define IW_EVENT_IDX(cmd) ((cmd) - IWEVFIRST) 0403 0404 /* ------------------------- PRIVATE INFO ------------------------- */ 0405 /* 0406 * The following is used with SIOCGIWPRIV. It allow a driver to define 0407 * the interface (name, type of data) for its private ioctl. 0408 * Privates ioctl are SIOCIWFIRSTPRIV -> SIOCIWLASTPRIV 0409 */ 0410 0411 #define IW_PRIV_TYPE_MASK 0x7000 /* Type of arguments */ 0412 #define IW_PRIV_TYPE_NONE 0x0000 0413 #define IW_PRIV_TYPE_BYTE 0x1000 /* Char as number */ 0414 #define IW_PRIV_TYPE_CHAR 0x2000 /* Char as character */ 0415 #define IW_PRIV_TYPE_INT 0x4000 /* 32 bits int */ 0416 #define IW_PRIV_TYPE_FLOAT 0x5000 /* struct iw_freq */ 0417 #define IW_PRIV_TYPE_ADDR 0x6000 /* struct sockaddr */ 0418 0419 #define IW_PRIV_SIZE_FIXED 0x0800 /* Variable or fixed number of args */ 0420 0421 #define IW_PRIV_SIZE_MASK 0x07FF /* Max number of those args */ 0422 0423 /* 0424 * Note : if the number of args is fixed and the size < 16 octets, 0425 * instead of passing a pointer we will put args in the iwreq struct... 0426 */ 0427 0428 /* ----------------------- OTHER CONSTANTS ----------------------- */ 0429 0430 /* Maximum frequencies in the range struct */ 0431 #define IW_MAX_FREQUENCIES 32 0432 /* Note : if you have something like 80 frequencies, 0433 * don't increase this constant and don't fill the frequency list. 0434 * The user will be able to set by channel anyway... */ 0435 0436 /* Maximum bit rates in the range struct */ 0437 #define IW_MAX_BITRATES 32 0438 0439 /* Maximum tx powers in the range struct */ 0440 #define IW_MAX_TXPOWER 8 0441 /* Note : if you more than 8 TXPowers, just set the max and min or 0442 * a few of them in the struct iw_range. */ 0443 0444 /* Maximum of address that you may set with SPY */ 0445 #define IW_MAX_SPY 8 0446 0447 /* Maximum of address that you may get in the 0448 list of access points in range */ 0449 #define IW_MAX_AP 64 0450 0451 /* Maximum size of the ESSID and NICKN strings */ 0452 #define IW_ESSID_MAX_SIZE 32 0453 0454 /* Modes of operation */ 0455 #define IW_MODE_AUTO 0 /* Let the driver decides */ 0456 #define IW_MODE_ADHOC 1 /* Single cell network */ 0457 #define IW_MODE_INFRA 2 /* Multi cell network, roaming, ... */ 0458 #define IW_MODE_MASTER 3 /* Synchronisation master or Access Point */ 0459 #define IW_MODE_REPEAT 4 /* Wireless Repeater (forwarder) */ 0460 #define IW_MODE_SECOND 5 /* Secondary master/repeater (backup) */ 0461 #define IW_MODE_MONITOR 6 /* Passive monitor (listen only) */ 0462 #define IW_MODE_MESH 7 /* Mesh (IEEE 802.11s) network */ 0463 0464 /* Statistics flags (bitmask in updated) */ 0465 #define IW_QUAL_QUAL_UPDATED 0x01 /* Value was updated since last read */ 0466 #define IW_QUAL_LEVEL_UPDATED 0x02 0467 #define IW_QUAL_NOISE_UPDATED 0x04 0468 #define IW_QUAL_ALL_UPDATED 0x07 0469 #define IW_QUAL_DBM 0x08 /* Level + Noise are dBm */ 0470 #define IW_QUAL_QUAL_INVALID 0x10 /* Driver doesn't provide value */ 0471 #define IW_QUAL_LEVEL_INVALID 0x20 0472 #define IW_QUAL_NOISE_INVALID 0x40 0473 #define IW_QUAL_RCPI 0x80 /* Level + Noise are 802.11k RCPI */ 0474 #define IW_QUAL_ALL_INVALID 0x70 0475 0476 /* Frequency flags */ 0477 #define IW_FREQ_AUTO 0x00 /* Let the driver decides */ 0478 #define IW_FREQ_FIXED 0x01 /* Force a specific value */ 0479 0480 /* Maximum number of size of encoding token available 0481 * they are listed in the range structure */ 0482 #define IW_MAX_ENCODING_SIZES 8 0483 0484 /* Maximum size of the encoding token in bytes */ 0485 #define IW_ENCODING_TOKEN_MAX 64 /* 512 bits (for now) */ 0486 0487 /* Flags for encoding (along with the token) */ 0488 #define IW_ENCODE_INDEX 0x00FF /* Token index (if needed) */ 0489 #define IW_ENCODE_FLAGS 0xFF00 /* Flags defined below */ 0490 #define IW_ENCODE_MODE 0xF000 /* Modes defined below */ 0491 #define IW_ENCODE_DISABLED 0x8000 /* Encoding disabled */ 0492 #define IW_ENCODE_ENABLED 0x0000 /* Encoding enabled */ 0493 #define IW_ENCODE_RESTRICTED 0x4000 /* Refuse non-encoded packets */ 0494 #define IW_ENCODE_OPEN 0x2000 /* Accept non-encoded packets */ 0495 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */ 0496 #define IW_ENCODE_TEMP 0x0400 /* Temporary key */ 0497 0498 /* Power management flags available (along with the value, if any) */ 0499 #define IW_POWER_ON 0x0000 /* No details... */ 0500 #define IW_POWER_TYPE 0xF000 /* Type of parameter */ 0501 #define IW_POWER_PERIOD 0x1000 /* Value is a period/duration of */ 0502 #define IW_POWER_TIMEOUT 0x2000 /* Value is a timeout (to go asleep) */ 0503 #define IW_POWER_MODE 0x0F00 /* Power Management mode */ 0504 #define IW_POWER_UNICAST_R 0x0100 /* Receive only unicast messages */ 0505 #define IW_POWER_MULTICAST_R 0x0200 /* Receive only multicast messages */ 0506 #define IW_POWER_ALL_R 0x0300 /* Receive all messages though PM */ 0507 #define IW_POWER_FORCE_S 0x0400 /* Force PM procedure for sending unicast */ 0508 #define IW_POWER_REPEATER 0x0800 /* Repeat broadcast messages in PM period */ 0509 #define IW_POWER_MODIFIER 0x000F /* Modify a parameter */ 0510 #define IW_POWER_MIN 0x0001 /* Value is a minimum */ 0511 #define IW_POWER_MAX 0x0002 /* Value is a maximum */ 0512 #define IW_POWER_RELATIVE 0x0004 /* Value is not in seconds/ms/us */ 0513 0514 /* Transmit Power flags available */ 0515 #define IW_TXPOW_TYPE 0x00FF /* Type of value */ 0516 #define IW_TXPOW_DBM 0x0000 /* Value is in dBm */ 0517 #define IW_TXPOW_MWATT 0x0001 /* Value is in mW */ 0518 #define IW_TXPOW_RELATIVE 0x0002 /* Value is in arbitrary units */ 0519 #define IW_TXPOW_RANGE 0x1000 /* Range of value between min/max */ 0520 0521 /* Retry limits and lifetime flags available */ 0522 #define IW_RETRY_ON 0x0000 /* No details... */ 0523 #define IW_RETRY_TYPE 0xF000 /* Type of parameter */ 0524 #define IW_RETRY_LIMIT 0x1000 /* Maximum number of retries*/ 0525 #define IW_RETRY_LIFETIME 0x2000 /* Maximum duration of retries in us */ 0526 #define IW_RETRY_MODIFIER 0x00FF /* Modify a parameter */ 0527 #define IW_RETRY_MIN 0x0001 /* Value is a minimum */ 0528 #define IW_RETRY_MAX 0x0002 /* Value is a maximum */ 0529 #define IW_RETRY_RELATIVE 0x0004 /* Value is not in seconds/ms/us */ 0530 #define IW_RETRY_SHORT 0x0010 /* Value is for short packets */ 0531 #define IW_RETRY_LONG 0x0020 /* Value is for long packets */ 0532 0533 /* Scanning request flags */ 0534 #define IW_SCAN_DEFAULT 0x0000 /* Default scan of the driver */ 0535 #define IW_SCAN_ALL_ESSID 0x0001 /* Scan all ESSIDs */ 0536 #define IW_SCAN_THIS_ESSID 0x0002 /* Scan only this ESSID */ 0537 #define IW_SCAN_ALL_FREQ 0x0004 /* Scan all Frequencies */ 0538 #define IW_SCAN_THIS_FREQ 0x0008 /* Scan only this Frequency */ 0539 #define IW_SCAN_ALL_MODE 0x0010 /* Scan all Modes */ 0540 #define IW_SCAN_THIS_MODE 0x0020 /* Scan only this Mode */ 0541 #define IW_SCAN_ALL_RATE 0x0040 /* Scan all Bit-Rates */ 0542 #define IW_SCAN_THIS_RATE 0x0080 /* Scan only this Bit-Rate */ 0543 /* struct iw_scan_req scan_type */ 0544 #define IW_SCAN_TYPE_ACTIVE 0 0545 #define IW_SCAN_TYPE_PASSIVE 1 0546 /* Maximum size of returned data */ 0547 #define IW_SCAN_MAX_DATA 4096 /* In bytes */ 0548 0549 /* Scan capability flags - in (struct iw_range *)->scan_capa */ 0550 #define IW_SCAN_CAPA_NONE 0x00 0551 #define IW_SCAN_CAPA_ESSID 0x01 0552 #define IW_SCAN_CAPA_BSSID 0x02 0553 #define IW_SCAN_CAPA_CHANNEL 0x04 0554 #define IW_SCAN_CAPA_MODE 0x08 0555 #define IW_SCAN_CAPA_RATE 0x10 0556 #define IW_SCAN_CAPA_TYPE 0x20 0557 #define IW_SCAN_CAPA_TIME 0x40 0558 0559 /* Max number of char in custom event - use multiple of them if needed */ 0560 #define IW_CUSTOM_MAX 256 /* In bytes */ 0561 0562 /* Generic information element */ 0563 #define IW_GENERIC_IE_MAX 1024 0564 0565 /* MLME requests (SIOCSIWMLME / struct iw_mlme) */ 0566 #define IW_MLME_DEAUTH 0 0567 #define IW_MLME_DISASSOC 1 0568 #define IW_MLME_AUTH 2 0569 #define IW_MLME_ASSOC 3 0570 0571 /* SIOCSIWAUTH/SIOCGIWAUTH struct iw_param flags */ 0572 #define IW_AUTH_INDEX 0x0FFF 0573 #define IW_AUTH_FLAGS 0xF000 0574 /* SIOCSIWAUTH/SIOCGIWAUTH parameters (0 .. 4095) 0575 * (IW_AUTH_INDEX mask in struct iw_param flags; this is the index of the 0576 * parameter that is being set/get to; value will be read/written to 0577 * struct iw_param value field) */ 0578 #define IW_AUTH_WPA_VERSION 0 0579 #define IW_AUTH_CIPHER_PAIRWISE 1 0580 #define IW_AUTH_CIPHER_GROUP 2 0581 #define IW_AUTH_KEY_MGMT 3 0582 #define IW_AUTH_TKIP_COUNTERMEASURES 4 0583 #define IW_AUTH_DROP_UNENCRYPTED 5 0584 #define IW_AUTH_80211_AUTH_ALG 6 0585 #define IW_AUTH_WPA_ENABLED 7 0586 #define IW_AUTH_RX_UNENCRYPTED_EAPOL 8 0587 #define IW_AUTH_ROAMING_CONTROL 9 0588 #define IW_AUTH_PRIVACY_INVOKED 10 0589 #define IW_AUTH_CIPHER_GROUP_MGMT 11 0590 #define IW_AUTH_MFP 12 0591 0592 /* IW_AUTH_WPA_VERSION values (bit field) */ 0593 #define IW_AUTH_WPA_VERSION_DISABLED 0x00000001 0594 #define IW_AUTH_WPA_VERSION_WPA 0x00000002 0595 #define IW_AUTH_WPA_VERSION_WPA2 0x00000004 0596 0597 /* IW_AUTH_PAIRWISE_CIPHER, IW_AUTH_GROUP_CIPHER, and IW_AUTH_CIPHER_GROUP_MGMT 0598 * values (bit field) */ 0599 #define IW_AUTH_CIPHER_NONE 0x00000001 0600 #define IW_AUTH_CIPHER_WEP40 0x00000002 0601 #define IW_AUTH_CIPHER_TKIP 0x00000004 0602 #define IW_AUTH_CIPHER_CCMP 0x00000008 0603 #define IW_AUTH_CIPHER_WEP104 0x00000010 0604 #define IW_AUTH_CIPHER_AES_CMAC 0x00000020 0605 0606 /* IW_AUTH_KEY_MGMT values (bit field) */ 0607 #define IW_AUTH_KEY_MGMT_802_1X 1 0608 #define IW_AUTH_KEY_MGMT_PSK 2 0609 0610 /* IW_AUTH_80211_AUTH_ALG values (bit field) */ 0611 #define IW_AUTH_ALG_OPEN_SYSTEM 0x00000001 0612 #define IW_AUTH_ALG_SHARED_KEY 0x00000002 0613 #define IW_AUTH_ALG_LEAP 0x00000004 0614 0615 /* IW_AUTH_ROAMING_CONTROL values */ 0616 #define IW_AUTH_ROAMING_ENABLE 0 /* driver/firmware based roaming */ 0617 #define IW_AUTH_ROAMING_DISABLE 1 /* user space program used for roaming 0618 * control */ 0619 0620 /* IW_AUTH_MFP (management frame protection) values */ 0621 #define IW_AUTH_MFP_DISABLED 0 /* MFP disabled */ 0622 #define IW_AUTH_MFP_OPTIONAL 1 /* MFP optional */ 0623 #define IW_AUTH_MFP_REQUIRED 2 /* MFP required */ 0624 0625 /* SIOCSIWENCODEEXT definitions */ 0626 #define IW_ENCODE_SEQ_MAX_SIZE 8 0627 /* struct iw_encode_ext ->alg */ 0628 #define IW_ENCODE_ALG_NONE 0 0629 #define IW_ENCODE_ALG_WEP 1 0630 #define IW_ENCODE_ALG_TKIP 2 0631 #define IW_ENCODE_ALG_CCMP 3 0632 #define IW_ENCODE_ALG_PMK 4 0633 #define IW_ENCODE_ALG_AES_CMAC 5 0634 /* struct iw_encode_ext ->ext_flags */ 0635 #define IW_ENCODE_EXT_TX_SEQ_VALID 0x00000001 0636 #define IW_ENCODE_EXT_RX_SEQ_VALID 0x00000002 0637 #define IW_ENCODE_EXT_GROUP_KEY 0x00000004 0638 #define IW_ENCODE_EXT_SET_TX_KEY 0x00000008 0639 0640 /* IWEVMICHAELMICFAILURE : struct iw_michaelmicfailure ->flags */ 0641 #define IW_MICFAILURE_KEY_ID 0x00000003 /* Key ID 0..3 */ 0642 #define IW_MICFAILURE_GROUP 0x00000004 0643 #define IW_MICFAILURE_PAIRWISE 0x00000008 0644 #define IW_MICFAILURE_STAKEY 0x00000010 0645 #define IW_MICFAILURE_COUNT 0x00000060 /* 1 or 2 (0 = count not supported) 0646 */ 0647 0648 /* Bit field values for enc_capa in struct iw_range */ 0649 #define IW_ENC_CAPA_WPA 0x00000001 0650 #define IW_ENC_CAPA_WPA2 0x00000002 0651 #define IW_ENC_CAPA_CIPHER_TKIP 0x00000004 0652 #define IW_ENC_CAPA_CIPHER_CCMP 0x00000008 0653 #define IW_ENC_CAPA_4WAY_HANDSHAKE 0x00000010 0654 0655 /* Event capability macros - in (struct iw_range *)->event_capa 0656 * Because we have more than 32 possible events, we use an array of 0657 * 32 bit bitmasks. Note : 32 bits = 0x20 = 2^5. */ 0658 #define IW_EVENT_CAPA_BASE(cmd) ((cmd >= SIOCIWFIRSTPRIV) ? \ 0659 (cmd - SIOCIWFIRSTPRIV + 0x60) : \ 0660 (cmd - SIOCIWFIRST)) 0661 #define IW_EVENT_CAPA_INDEX(cmd) (IW_EVENT_CAPA_BASE(cmd) >> 5) 0662 #define IW_EVENT_CAPA_MASK(cmd) (1 << (IW_EVENT_CAPA_BASE(cmd) & 0x1F)) 0663 /* Event capability constants - event autogenerated by the kernel 0664 * This list is valid for most 802.11 devices, customise as needed... */ 0665 #define IW_EVENT_CAPA_K_0 (IW_EVENT_CAPA_MASK(0x8B04) | \ 0666 IW_EVENT_CAPA_MASK(0x8B06) | \ 0667 IW_EVENT_CAPA_MASK(0x8B1A)) 0668 #define IW_EVENT_CAPA_K_1 (IW_EVENT_CAPA_MASK(0x8B2A)) 0669 /* "Easy" macro to set events in iw_range (less efficient) */ 0670 #define IW_EVENT_CAPA_SET(event_capa, cmd) (event_capa[IW_EVENT_CAPA_INDEX(cmd)] |= IW_EVENT_CAPA_MASK(cmd)) 0671 #define IW_EVENT_CAPA_SET_KERNEL(event_capa) {event_capa[0] |= IW_EVENT_CAPA_K_0; event_capa[1] |= IW_EVENT_CAPA_K_1; } 0672 0673 0674 /****************************** TYPES ******************************/ 0675 0676 /* --------------------------- SUBTYPES --------------------------- */ 0677 /* 0678 * Generic format for most parameters that fit in an int 0679 */ 0680 struct iw_param { 0681 __s32 value; /* The value of the parameter itself */ 0682 __u8 fixed; /* Hardware should not use auto select */ 0683 __u8 disabled; /* Disable the feature */ 0684 __u16 flags; /* Various specifc flags (if any) */ 0685 }; 0686 0687 /* 0688 * For all data larger than 16 octets, we need to use a 0689 * pointer to memory allocated in user space. 0690 */ 0691 struct iw_point { 0692 void __user *pointer; /* Pointer to the data (in user space) */ 0693 __u16 length; /* number of fields or size in bytes */ 0694 __u16 flags; /* Optional params */ 0695 }; 0696 0697 0698 /* 0699 * A frequency 0700 * For numbers lower than 10^9, we encode the number in 'm' and 0701 * set 'e' to 0 0702 * For number greater than 10^9, we divide it by the lowest power 0703 * of 10 to get 'm' lower than 10^9, with 'm'= f / (10^'e')... 0704 * The power of 10 is in 'e', the result of the division is in 'm'. 0705 */ 0706 struct iw_freq { 0707 __s32 m; /* Mantissa */ 0708 __s16 e; /* Exponent */ 0709 __u8 i; /* List index (when in range struct) */ 0710 __u8 flags; /* Flags (fixed/auto) */ 0711 }; 0712 0713 /* 0714 * Quality of the link 0715 */ 0716 struct iw_quality { 0717 __u8 qual; /* link quality (%retries, SNR, 0718 %missed beacons or better...) */ 0719 __u8 level; /* signal level (dBm) */ 0720 __u8 noise; /* noise level (dBm) */ 0721 __u8 updated; /* Flags to know if updated */ 0722 }; 0723 0724 /* 0725 * Packet discarded in the wireless adapter due to 0726 * "wireless" specific problems... 0727 * Note : the list of counter and statistics in net_device_stats 0728 * is already pretty exhaustive, and you should use that first. 0729 * This is only additional stats... 0730 */ 0731 struct iw_discarded { 0732 __u32 nwid; /* Rx : Wrong nwid/essid */ 0733 __u32 code; /* Rx : Unable to code/decode (WEP) */ 0734 __u32 fragment; /* Rx : Can't perform MAC reassembly */ 0735 __u32 retries; /* Tx : Max MAC retries num reached */ 0736 __u32 misc; /* Others cases */ 0737 }; 0738 0739 /* 0740 * Packet/Time period missed in the wireless adapter due to 0741 * "wireless" specific problems... 0742 */ 0743 struct iw_missed { 0744 __u32 beacon; /* Missed beacons/superframe */ 0745 }; 0746 0747 /* 0748 * Quality range (for spy threshold) 0749 */ 0750 struct iw_thrspy { 0751 struct sockaddr addr; /* Source address (hw/mac) */ 0752 struct iw_quality qual; /* Quality of the link */ 0753 struct iw_quality low; /* Low threshold */ 0754 struct iw_quality high; /* High threshold */ 0755 }; 0756 0757 /* 0758 * Optional data for scan request 0759 * 0760 * Note: these optional parameters are controlling parameters for the 0761 * scanning behavior, these do not apply to getting scan results 0762 * (SIOCGIWSCAN). Drivers are expected to keep a local BSS table and 0763 * provide a merged results with all BSSes even if the previous scan 0764 * request limited scanning to a subset, e.g., by specifying an SSID. 0765 * Especially, scan results are required to include an entry for the 0766 * current BSS if the driver is in Managed mode and associated with an AP. 0767 */ 0768 struct iw_scan_req { 0769 __u8 scan_type; /* IW_SCAN_TYPE_{ACTIVE,PASSIVE} */ 0770 __u8 essid_len; 0771 __u8 num_channels; /* num entries in channel_list; 0772 * 0 = scan all allowed channels */ 0773 __u8 flags; /* reserved as padding; use zero, this may 0774 * be used in the future for adding flags 0775 * to request different scan behavior */ 0776 struct sockaddr bssid; /* ff:ff:ff:ff:ff:ff for broadcast BSSID or 0777 * individual address of a specific BSS */ 0778 0779 /* 0780 * Use this ESSID if IW_SCAN_THIS_ESSID flag is used instead of using 0781 * the current ESSID. This allows scan requests for specific ESSID 0782 * without having to change the current ESSID and potentially breaking 0783 * the current association. 0784 */ 0785 __u8 essid[IW_ESSID_MAX_SIZE]; 0786 0787 /* 0788 * Optional parameters for changing the default scanning behavior. 0789 * These are based on the MLME-SCAN.request from IEEE Std 802.11. 0790 * TU is 1.024 ms. If these are set to 0, driver is expected to use 0791 * reasonable default values. min_channel_time defines the time that 0792 * will be used to wait for the first reply on each channel. If no 0793 * replies are received, next channel will be scanned after this. If 0794 * replies are received, total time waited on the channel is defined by 0795 * max_channel_time. 0796 */ 0797 __u32 min_channel_time; /* in TU */ 0798 __u32 max_channel_time; /* in TU */ 0799 0800 struct iw_freq channel_list[IW_MAX_FREQUENCIES]; 0801 }; 0802 0803 /* ------------------------- WPA SUPPORT ------------------------- */ 0804 0805 /* 0806 * Extended data structure for get/set encoding (this is used with 0807 * SIOCSIWENCODEEXT/SIOCGIWENCODEEXT. struct iw_point and IW_ENCODE_* 0808 * flags are used in the same way as with SIOCSIWENCODE/SIOCGIWENCODE and 0809 * only the data contents changes (key data -> this structure, including 0810 * key data). 0811 * 0812 * If the new key is the first group key, it will be set as the default 0813 * TX key. Otherwise, default TX key index is only changed if 0814 * IW_ENCODE_EXT_SET_TX_KEY flag is set. 0815 * 0816 * Key will be changed with SIOCSIWENCODEEXT in all cases except for 0817 * special "change TX key index" operation which is indicated by setting 0818 * key_len = 0 and ext_flags |= IW_ENCODE_EXT_SET_TX_KEY. 0819 * 0820 * tx_seq/rx_seq are only used when respective 0821 * IW_ENCODE_EXT_{TX,RX}_SEQ_VALID flag is set in ext_flags. Normal 0822 * TKIP/CCMP operation is to set RX seq with SIOCSIWENCODEEXT and start 0823 * TX seq from zero whenever key is changed. SIOCGIWENCODEEXT is normally 0824 * used only by an Authenticator (AP or an IBSS station) to get the 0825 * current TX sequence number. Using TX_SEQ_VALID for SIOCSIWENCODEEXT and 0826 * RX_SEQ_VALID for SIOCGIWENCODEEXT are optional, but can be useful for 0827 * debugging/testing. 0828 */ 0829 struct iw_encode_ext { 0830 __u32 ext_flags; /* IW_ENCODE_EXT_* */ 0831 __u8 tx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */ 0832 __u8 rx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */ 0833 struct sockaddr addr; /* ff:ff:ff:ff:ff:ff for broadcast/multicast 0834 * (group) keys or unicast address for 0835 * individual keys */ 0836 __u16 alg; /* IW_ENCODE_ALG_* */ 0837 __u16 key_len; 0838 __u8 key[0]; 0839 }; 0840 0841 /* SIOCSIWMLME data */ 0842 struct iw_mlme { 0843 __u16 cmd; /* IW_MLME_* */ 0844 __u16 reason_code; 0845 struct sockaddr addr; 0846 }; 0847 0848 /* SIOCSIWPMKSA data */ 0849 #define IW_PMKSA_ADD 1 0850 #define IW_PMKSA_REMOVE 2 0851 #define IW_PMKSA_FLUSH 3 0852 0853 #define IW_PMKID_LEN 16 0854 0855 struct iw_pmksa { 0856 __u32 cmd; /* IW_PMKSA_* */ 0857 struct sockaddr bssid; 0858 __u8 pmkid[IW_PMKID_LEN]; 0859 }; 0860 0861 /* IWEVMICHAELMICFAILURE data */ 0862 struct iw_michaelmicfailure { 0863 __u32 flags; 0864 struct sockaddr src_addr; 0865 __u8 tsc[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */ 0866 }; 0867 0868 /* IWEVPMKIDCAND data */ 0869 #define IW_PMKID_CAND_PREAUTH 0x00000001 /* RNS pre-authentication enabled */ 0870 struct iw_pmkid_cand { 0871 __u32 flags; /* IW_PMKID_CAND_* */ 0872 __u32 index; /* the smaller the index, the higher the 0873 * priority */ 0874 struct sockaddr bssid; 0875 }; 0876 0877 /* ------------------------ WIRELESS STATS ------------------------ */ 0878 /* 0879 * Wireless statistics (used for /proc/net/wireless) 0880 */ 0881 struct iw_statistics { 0882 __u16 status; /* Status 0883 * - device dependent for now */ 0884 0885 struct iw_quality qual; /* Quality of the link 0886 * (instant/mean/max) */ 0887 struct iw_discarded discard; /* Packet discarded counts */ 0888 struct iw_missed miss; /* Packet missed counts */ 0889 }; 0890 0891 /* ------------------------ IOCTL REQUEST ------------------------ */ 0892 /* 0893 * This structure defines the payload of an ioctl, and is used 0894 * below. 0895 * 0896 * Note that this structure should fit on the memory footprint 0897 * of iwreq (which is the same as ifreq), which mean a max size of 0898 * 16 octets = 128 bits. Warning, pointers might be 64 bits wide... 0899 * You should check this when increasing the structures defined 0900 * above in this file... 0901 */ 0902 union iwreq_data { 0903 /* Config - generic */ 0904 char name[IFNAMSIZ]; 0905 /* Name : used to verify the presence of wireless extensions. 0906 * Name of the protocol/provider... */ 0907 0908 struct iw_point essid; /* Extended network name */ 0909 struct iw_param nwid; /* network id (or domain - the cell) */ 0910 struct iw_freq freq; /* frequency or channel : 0911 * 0-1000 = channel 0912 * > 1000 = frequency in Hz */ 0913 0914 struct iw_param sens; /* signal level threshold */ 0915 struct iw_param bitrate; /* default bit rate */ 0916 struct iw_param txpower; /* default transmit power */ 0917 struct iw_param rts; /* RTS threshold */ 0918 struct iw_param frag; /* Fragmentation threshold */ 0919 __u32 mode; /* Operation mode */ 0920 struct iw_param retry; /* Retry limits & lifetime */ 0921 0922 struct iw_point encoding; /* Encoding stuff : tokens */ 0923 struct iw_param power; /* PM duration/timeout */ 0924 struct iw_quality qual; /* Quality part of statistics */ 0925 0926 struct sockaddr ap_addr; /* Access point address */ 0927 struct sockaddr addr; /* Destination address (hw/mac) */ 0928 0929 struct iw_param param; /* Other small parameters */ 0930 struct iw_point data; /* Other large parameters */ 0931 }; 0932 0933 /* 0934 * The structure to exchange data for ioctl. 0935 * This structure is the same as 'struct ifreq', but (re)defined for 0936 * convenience... 0937 * Do I need to remind you about structure size (32 octets) ? 0938 */ 0939 struct iwreq { 0940 union 0941 { 0942 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "eth0" */ 0943 } ifr_ifrn; 0944 0945 /* Data part (defined just above) */ 0946 union iwreq_data u; 0947 }; 0948 0949 /* -------------------------- IOCTL DATA -------------------------- */ 0950 /* 0951 * For those ioctl which want to exchange mode data that what could 0952 * fit in the above structure... 0953 */ 0954 0955 /* 0956 * Range of parameters 0957 */ 0958 0959 struct iw_range { 0960 /* Informative stuff (to choose between different interface) */ 0961 __u32 throughput; /* To give an idea... */ 0962 /* In theory this value should be the maximum benchmarked 0963 * TCP/IP throughput, because with most of these devices the 0964 * bit rate is meaningless (overhead an co) to estimate how 0965 * fast the connection will go and pick the fastest one. 0966 * I suggest people to play with Netperf or any benchmark... 0967 */ 0968 0969 /* NWID (or domain id) */ 0970 __u32 min_nwid; /* Minimal NWID we are able to set */ 0971 __u32 max_nwid; /* Maximal NWID we are able to set */ 0972 0973 /* Old Frequency (backward compat - moved lower ) */ 0974 __u16 old_num_channels; 0975 __u8 old_num_frequency; 0976 0977 /* Scan capabilities */ 0978 __u8 scan_capa; /* IW_SCAN_CAPA_* bit field */ 0979 0980 /* Wireless event capability bitmasks */ 0981 __u32 event_capa[6]; 0982 0983 /* signal level threshold range */ 0984 __s32 sensitivity; 0985 0986 /* Quality of link & SNR stuff */ 0987 /* Quality range (link, level, noise) 0988 * If the quality is absolute, it will be in the range [0 ; max_qual], 0989 * if the quality is dBm, it will be in the range [max_qual ; 0]. 0990 * Don't forget that we use 8 bit arithmetics... */ 0991 struct iw_quality max_qual; /* Quality of the link */ 0992 /* This should contain the average/typical values of the quality 0993 * indicator. This should be the threshold between a "good" and 0994 * a "bad" link (example : monitor going from green to orange). 0995 * Currently, user space apps like quality monitors don't have any 0996 * way to calibrate the measurement. With this, they can split 0997 * the range between 0 and max_qual in different quality level 0998 * (using a geometric subdivision centered on the average). 0999 * I expect that people doing the user space apps will feedback 1000 * 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 information 1061 */ 1062 1063 struct 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 user 1073 * space. They are encapsulated in the IFLA_WIRELESS field of 1074 * a RTM_NEWLINK message. 1075 */ 1076 1077 /* 1078 * A Wireless Event. Contains basically the same data as the ioctl... 1079 */ 1080 struct 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 at 1097 * 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 */
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