00001 /* This is based on Linux Wireless Extensions header file from WIRELESS_EXT 18. 00002 * I have just removed kernel related headers and added some typedefs etc. to 00003 * make this easier to include into user space programs. 00004 * Jouni Malinen, 2005-03-12. 00005 */ 00006 00007 00008 /* 00009 * This file define a set of standard wireless extensions 00010 * 00011 * Version : 19 18.3.05 00012 * 00013 * Authors : Jean Tourrilhes - HPL - <[email protected]> 00014 \par Copyright 00015 Copyright (c) 1997-2005 Jean Tourrilhes, All Rights Reserved. 00016 */ 00017 00018 #ifndef _LINUX_WIRELESS_H 00019 #define _LINUX_WIRELESS_H 00020 00021 /* ************************ DOCUMENTATION **************************/ 00022 /* 00023 * Initial APIs (1996 -> onward) : 00024 * ----------------------------- 00025 * Basically, the wireless extensions are for now a set of standard ioctl 00026 * call + /proc/net/wireless 00027 * 00028 * The entry /proc/net/wireless give statistics and information on the 00029 * driver. 00030 * This is better than having each driver having its entry because 00031 * its centralised and we may remove the driver module safely. 00032 * 00033 * Ioctl are used to configure the driver and issue commands. This is 00034 * better than command line options of insmod because we may want to 00035 * change dynamically (while the driver is running) some parameters. 00036 * 00037 * The ioctl mechanimsm are copied from standard devices ioctl. 00038 * We have the list of command plus a structure descibing the 00039 * data exchanged... 00040 * Note that to add these ioctl, I was obliged to modify : 00041 * # net/core/dev.c (two place + add include) 00042 * # net/ipv4/af_inet.c (one place + add include) 00043 * 00044 * /proc/net/wireless is a copy of /proc/net/dev. 00045 * We have a structure for data passed from the driver to /proc/net/wireless 00046 * Too add this, I've modified : 00047 * # net/core/dev.c (two other places) 00048 * # include/linux/netdevice.h (one place) 00049 * # include/linux/proc_fs.h (one place) 00050 * 00051 * New driver API (2002 -> onward) : 00052 * ------------------------------- 00053 * This file is only concerned with the user space API and common definitions. 00054 * The new driver API is defined and documented in : 00055 * # include/net/iw_handler.h 00056 * 00057 * Note as well that /proc/net/wireless implementation has now moved in : 00058 * # net/core/wireless.c 00059 * 00060 * Wireless Events (2002 -> onward) : 00061 * -------------------------------- 00062 * Events are defined at the end of this file, and implemented in : 00063 * # net/core/wireless.c 00064 * 00065 * Other comments : 00066 * -------------- 00067 * Do not add here things that are redundant with other mechanisms 00068 * (drivers init, ifconfig, /proc/net/dev, ...) and with are not 00069 * wireless specific. 00070 * 00071 * These wireless extensions are not magic : each driver has to provide 00072 * support for them... 00073 * 00074 * IMPORTANT NOTE : As everything in the kernel, this is very much a 00075 * work in progress. Contact me if you have ideas of improvements... 00076 */ 00077 00078 /* *************************** INCLUDES *****************************/ 00079 00080 /* jkm - replaced linux headers with C library headers, added typedefs */ 00081 #if 0 00082 /* To minimise problems in user space, I might remove those headers 00083 * at some point. Jean II */ 00084 #include <linux/types.h> /* for "caddr_t" et al */ 00085 #include <linux/socket.h> /* for "struct sockaddr" et al */ 00086 #include <linux/if.h> /* for IFNAMSIZ and co... */ 00087 #else 00088 #include <sys/types.h> 00089 #include <net/if.h> 00090 typedef __uint32_t __u32; 00091 typedef __int32_t __s32; 00092 typedef __uint16_t __u16; 00093 typedef __int16_t __s16; 00094 typedef __uint8_t __u8; 00095 #ifndef __user 00096 #define __user 00097 #endif /* __user */ 00098 #endif 00099 00100 /* *************************** VERSION *****************************/ 00101 /* 00102 * This constant is used to know the availability of the wireless 00103 * extensions and to know which version of wireless extensions it is 00104 * (there is some stuff that will be added in the future...) 00105 * I just plan to increment with each new version. 00106 */ 00107 #define WIRELESS_EXT 19 00108 00109 /* 00110 * Changes : 00111 * 00112 * V2 to V3 00113 * -------- 00114 * Alan Cox start some incompatibles changes. I've integrated a bit more. 00115 * - Encryption renamed to Encode to avoid US regulation problems 00116 * - Frequency changed from float to struct to avoid problems on old 386 00117 * 00118 * V3 to V4 00119 * -------- 00120 * - Add sensitivity 00121 * 00122 * V4 to V5 00123 * -------- 00124 * - Missing encoding definitions in range 00125 * - Access points stuff 00126 * 00127 * V5 to V6 00128 * -------- 00129 * - 802.11 support (ESSID ioctls) 00130 * 00131 * V6 to V7 00132 * -------- 00133 * - define IW_ESSID_MAX_SIZE and IW_MAX_AP 00134 * 00135 * V7 to V8 00136 * -------- 00137 * - Changed my e-mail address 00138 * - More 802.11 support (nickname, rate, rts, frag) 00139 * - List index in frequencies 00140 * 00141 * V8 to V9 00142 * -------- 00143 * - Support for 'mode of operation' (ad-hoc, managed...) 00144 * - Support for unicast and multicast power saving 00145 * - Change encoding to support larger tokens (>64 bits) 00146 * - Updated iw_params (disable, flags) and use it for NWID 00147 * - Extracted iw_point from iwreq for clarity 00148 * 00149 * V9 to V10 00150 * --------- 00151 * - Add PM capability to range structure 00152 * - Add PM modifier : MAX/MIN/RELATIVE 00153 * - Add encoding option : IW_ENCODE_NOKEY 00154 * - Add TxPower ioctls (work like TxRate) 00155 * 00156 * V10 to V11 00157 * ---------- 00158 * - Add WE version in range (help backward/forward compatibility) 00159 * - Add retry ioctls (work like PM) 00160 * 00161 * V11 to V12 00162 * ---------- 00163 * - Add SIOCSIWSTATS to get /proc/net/wireless programatically 00164 * - Add DEV PRIVATE IOCTL to avoid collisions in SIOCDEVPRIVATE space 00165 * - Add new statistics (frag, retry, beacon) 00166 * - Add average quality (for user space calibration) 00167 * 00168 * V12 to V13 00169 * ---------- 00170 * - Document creation of new driver API. 00171 * - Extract union iwreq_data from struct iwreq (for new driver API). 00172 * - Rename SIOCSIWNAME as SIOCSIWCOMMIT 00173 * 00174 * V13 to V14 00175 * ---------- 00176 * - Wireless Events support : define struct iw_event 00177 * - Define additional specific event numbers 00178 * - Add "addr" and "param" fields in union iwreq_data 00179 * - AP scanning stuff (SIOCSIWSCAN and friends) 00180 * 00181 * V14 to V15 00182 * ---------- 00183 * - Add IW_PRIV_TYPE_ADDR for struct sockaddr private arg 00184 * - Make struct iw_freq signed (both m & e), add explicit padding 00185 * - Add IWEVCUSTOM for driver specific event/scanning token 00186 * - Add IW_MAX_GET_SPY for driver returning a lot of addresses 00187 * - Add IW_TXPOW_RANGE for range of Tx Powers 00188 * - Add IWEVREGISTERED & IWEVEXPIRED events for Access Points 00189 * - Add IW_MODE_MONITOR for passive monitor 00190 * 00191 * V15 to V16 00192 * ---------- 00193 * - Increase the number of bitrates in iw_range to 32 (for 802.11g) 00194 * - Increase the number of frequencies in iw_range to 32 (for 802.11b+a) 00195 * - Reshuffle struct iw_range for increases, add filler 00196 * - Increase IW_MAX_AP to 64 for driver returning a lot of addresses 00197 * - Remove IW_MAX_GET_SPY because conflict with enhanced spy support 00198 * - Add SIOCSIWTHRSPY/SIOCGIWTHRSPY and "struct iw_thrspy" 00199 * - Add IW_ENCODE_TEMP and iw_range->encoding_login_index 00200 * 00201 * V16 to V17 00202 * ---------- 00203 * - Add flags to frequency -> auto/fixed 00204 * - Document (struct iw_quality *)->updated, add new flags (INVALID) 00205 * - Wireless Event capability in struct iw_range 00206 * - Add support for relative TxPower (yick !) 00207 * 00208 * V17 to V18 (From Jouni Malinen <[email protected]>) 00209 * ---------- 00210 * - Add support for WPA/WPA2 00211 * - Add extended encoding configuration (SIOCSIWENCODEEXT and 00212 * SIOCGIWENCODEEXT) 00213 * - Add SIOCSIWGENIE/SIOCGIWGENIE 00214 * - Add SIOCSIWMLME 00215 * - Add SIOCSIWPMKSA 00216 * - Add struct iw_range bit field for supported encoding capabilities 00217 * - Add optional scan request parameters for SIOCSIWSCAN 00218 * - Add SIOCSIWAUTH/SIOCGIWAUTH for setting authentication and WPA 00219 * related parameters (extensible up to 4096 parameter values) 00220 * - Add wireless events: IWEVGENIE, IWEVMICHAELMICFAILURE, 00221 * IWEVASSOCREQIE, IWEVASSOCRESPIE, IWEVPMKIDCAND 00222 * 00223 * V18 to V19 00224 * ---------- 00225 * - Remove (struct iw_point *)->pointer from events and streams 00226 * - Remove header includes to help user space 00227 * - Increase IW_ENCODING_TOKEN_MAX from 32 to 64 00228 * - Add IW_QUAL_ALL_UPDATED and IW_QUAL_ALL_INVALID macros 00229 * - Add explicit flag to tell stats are in dBm : IW_QUAL_DBM 00230 * - Add IW_IOCTL_IDX() and IW_EVENT_IDX() macros 00231 */ 00232 00233 /* ************************** CONSTANTS ****************************/ 00234 00235 /* -------------------------- IOCTL LIST -------------------------- */ 00236 00237 /* Wireless Identification */ 00238 #define SIOCSIWCOMMIT 0x8B00 /* Commit pending changes to driver */ 00239 #define SIOCGIWNAME 0x8B01 /* get name == wireless protocol */ 00240 /* SIOCGIWNAME is used to verify the presence of Wireless Extensions. 00241 * Common values : "IEEE 802.11-DS", "IEEE 802.11-FH", "IEEE 802.11b"... 00242 * Don't put the name of your driver there, it's useless. */ 00243 00244 /* Basic operations */ 00245 #define SIOCSIWNWID 0x8B02 /* set network id (pre-802.11) */ 00246 #define SIOCGIWNWID 0x8B03 /* get network id (the cell) */ 00247 #define SIOCSIWFREQ 0x8B04 /* set channel/frequency (Hz) */ 00248 #define SIOCGIWFREQ 0x8B05 /* get channel/frequency (Hz) */ 00249 #define SIOCSIWMODE 0x8B06 /* set operation mode */ 00250 #define SIOCGIWMODE 0x8B07 /* get operation mode */ 00251 #define SIOCSIWSENS 0x8B08 /* set sensitivity (dBm) */ 00252 #define SIOCGIWSENS 0x8B09 /* get sensitivity (dBm) */ 00253 00254 /* Informative stuff */ 00255 #define SIOCSIWRANGE 0x8B0A /* Unused */ 00256 #define SIOCGIWRANGE 0x8B0B /* Get range of parameters */ 00257 #define SIOCSIWPRIV 0x8B0C /* Unused */ 00258 #define SIOCGIWPRIV 0x8B0D /* get private ioctl interface info */ 00259 #define SIOCSIWSTATS 0x8B0E /* Unused */ 00260 #define SIOCGIWSTATS 0x8B0F /* Get /proc/net/wireless stats */ 00261 /* SIOCGIWSTATS is strictly used between user space and the kernel, and 00262 * is never passed to the driver (i.e. the driver will never see it). */ 00263 00264 /* Spy support (statistics per MAC address - used for Mobile IP support) */ 00265 #define SIOCSIWSPY 0x8B10 /* set spy addresses */ 00266 #define SIOCGIWSPY 0x8B11 /* get spy info (quality of link) */ 00267 #define SIOCSIWTHRSPY 0x8B12 /* set spy threshold (spy event) */ 00268 #define SIOCGIWTHRSPY 0x8B13 /* get spy threshold */ 00269 00270 /* Access Point manipulation */ 00271 #define SIOCSIWAP 0x8B14 /* set access point MAC addresses */ 00272 #define SIOCGIWAP 0x8B15 /* get access point MAC addresses */ 00273 #define SIOCGIWAPLIST 0x8B17 /* Deprecated in favor of scanning */ 00274 #define SIOCSIWSCAN 0x8B18 /* trigger scanning (list cells) */ 00275 #define SIOCGIWSCAN 0x8B19 /* get scanning results */ 00276 00277 /* 802.11 specific support */ 00278 #define SIOCSIWESSID 0x8B1A /* set ESSID (network name) */ 00279 #define SIOCGIWESSID 0x8B1B /* get ESSID */ 00280 #define SIOCSIWNICKN 0x8B1C /* set node name/nickname */ 00281 #define SIOCGIWNICKN 0x8B1D /* get node name/nickname */ 00282 /* As the ESSID and NICKN are strings up to 32 bytes long, it doesn't fit 00283 * within the 'iwreq' structure, so we need to use the 'data' member to 00284 * point to a string in user space, like it is done for RANGE... */ 00285 00286 /* Other parameters useful in 802.11 and some other devices */ 00287 #define SIOCSIWRATE 0x8B20 /* set default bit rate (bps) */ 00288 #define SIOCGIWRATE 0x8B21 /* get default bit rate (bps) */ 00289 #define SIOCSIWRTS 0x8B22 /* set RTS/CTS threshold (bytes) */ 00290 #define SIOCGIWRTS 0x8B23 /* get RTS/CTS threshold (bytes) */ 00291 #define SIOCSIWFRAG 0x8B24 /* set fragmentation thr (bytes) */ 00292 #define SIOCGIWFRAG 0x8B25 /* get fragmentation thr (bytes) */ 00293 #define SIOCSIWTXPOW 0x8B26 /* set transmit power (dBm) */ 00294 #define SIOCGIWTXPOW 0x8B27 /* get transmit power (dBm) */ 00295 #define SIOCSIWRETRY 0x8B28 /* set retry limits and lifetime */ 00296 #define SIOCGIWRETRY 0x8B29 /* get retry limits and lifetime */ 00297 00298 /* Encoding stuff (scrambling, hardware security, WEP...) */ 00299 #define SIOCSIWENCODE 0x8B2A /* set encoding token & mode */ 00300 #define SIOCGIWENCODE 0x8B2B /* get encoding token & mode */ 00301 /* Power saving stuff (power management, unicast and multicast) */ 00302 #define SIOCSIWPOWER 0x8B2C /* set Power Management settings */ 00303 #define SIOCGIWPOWER 0x8B2D /* get Power Management settings */ 00304 00305 /* WPA : Generic IEEE 802.11 informatiom element (e.g., for WPA/RSN/WMM). 00306 * This ioctl uses struct iw_point and data buffer that includes IE id and len 00307 * fields. More than one IE may be included in the request. Setting the generic 00308 * IE to empty buffer (len=0) removes the generic IE from the driver. Drivers 00309 * are allowed to generate their own WPA/RSN IEs, but in these cases, drivers 00310 * are required to report the used IE as a wireless event, e.g., when 00311 * associating with an AP. */ 00312 #define SIOCSIWGENIE 0x8B30 /* set generic IE */ 00313 #define SIOCGIWGENIE 0x8B31 /* get generic IE */ 00314 00315 /* WPA : IEEE 802.11 MLME requests */ 00316 #define SIOCSIWMLME 0x8B16 /* request MLME operation; uses 00317 * struct iw_mlme */ 00318 /* WPA : Authentication mode parameters */ 00319 #define SIOCSIWAUTH 0x8B32 /* set authentication mode params */ 00320 #define SIOCGIWAUTH 0x8B33 /* get authentication mode params */ 00321 00322 /* WPA : Extended version of encoding configuration */ 00323 #define SIOCSIWENCODEEXT 0x8B34 /* set encoding token & mode */ 00324 #define SIOCGIWENCODEEXT 0x8B35 /* get encoding token & mode */ 00325 00326 /* WPA2 : PMKSA cache management */ 00327 #define SIOCSIWPMKSA 0x8B36 /* PMKSA cache operation */ 00328 00329 /* -------------------- DEV PRIVATE IOCTL LIST -------------------- */ 00330 00331 /* These 32 ioctl are wireless device private, for 16 commands. 00332 * Each driver is free to use them for whatever purpose it chooses, 00333 * however the driver *must* export the description of those ioctls 00334 * with SIOCGIWPRIV and *must* use arguments as defined below. 00335 * If you don't follow those rules, DaveM is going to hate you (reason : 00336 * it make mixed 32/64bit operation impossible). 00337 */ 00338 #define SIOCIWFIRSTPRIV 0x8BE0 00339 #define SIOCIWLASTPRIV 0x8BFF 00340 /* Previously, we were using SIOCDEVPRIVATE, but we now have our 00341 * separate range because of collisions with other tools such as 00342 * 'mii-tool'. 00343 * We now have 32 commands, so a bit more space ;-). 00344 * Also, all 'odd' commands are only usable by root and don't return the 00345 * content of ifr/iwr to user (but you are not obliged to use the set/get 00346 * convention, just use every other two command). More details in iwpriv.c. 00347 * And I repeat : you are not forced to use them with iwpriv, but you 00348 * must be compliant with it. 00349 */ 00350 00351 /* ------------------------- IOCTL STUFF ------------------------- */ 00352 00353 /* The first and the last (range) */ 00354 #define SIOCIWFIRST 0x8B00 00355 #define SIOCIWLAST SIOCIWLASTPRIV /* 0x8BFF */ 00356 #define IW_IOCTL_IDX(cmd) ((cmd) - SIOCIWFIRST) 00357 00358 /* Even : get (world access), odd : set (root access) */ 00359 #define IW_IS_SET(cmd) (!((cmd) & 0x1)) 00360 #define IW_IS_GET(cmd) ((cmd) & 0x1) 00361 00362 /* ----------------------- WIRELESS EVENTS ----------------------- */ 00363 /* Those are *NOT* ioctls, do not issue request on them !!! */ 00364 /* Most events use the same identifier as ioctl requests */ 00365 00366 #define IWEVTXDROP 0x8C00 /* Packet dropped to excessive retry */ 00367 #define IWEVQUAL 0x8C01 /* Quality part of statistics (scan) */ 00368 #define IWEVCUSTOM 0x8C02 /* Driver specific ascii string */ 00369 #define IWEVREGISTERED 0x8C03 /* Discovered a new node (AP mode) */ 00370 #define IWEVEXPIRED 0x8C04 /* Expired a node (AP mode) */ 00371 #define IWEVGENIE 0x8C05 /* Generic IE (WPA, RSN, WMM, ..) 00372 * (scan results); This includes id and 00373 * length fields. One IWEVGENIE may 00374 * contain more than one IE. Scan 00375 * results may contain one or more 00376 * IWEVGENIE events. */ 00377 #define IWEVMICHAELMICFAILURE 0x8C06 /* Michael MIC failure 00378 * (struct iw_michaelmicfailure) 00379 */ 00380 #define IWEVASSOCREQIE 0x8C07 /* IEs used in (Re)Association Request. 00381 * The data includes id and length 00382 * fields and may contain more than one 00383 * IE. This event is required in 00384 * Managed mode if the driver 00385 * generates its own WPA/RSN IE. This 00386 * should be sent just before 00387 * IWEVREGISTERED event for the 00388 * association. */ 00389 #define IWEVASSOCRESPIE 0x8C08 /* IEs used in (Re)Association 00390 * Response. The data includes id and 00391 * length fields and may contain more 00392 * than one IE. This may be sent 00393 * between IWEVASSOCREQIE and 00394 * IWEVREGISTERED events for the 00395 * association. */ 00396 #define IWEVPMKIDCAND 0x8C09 /* PMKID candidate for RSN 00397 * pre-authentication 00398 * (struct iw_pmkid_cand) */ 00399 00400 #define IWEVFIRST 0x8C00 00401 #define IW_EVENT_IDX(cmd) ((cmd) - IWEVFIRST) 00402 00403 /* ------------------------- PRIVATE INFO ------------------------- */ 00404 /* 00405 * The following is used with SIOCGIWPRIV. It allow a driver to define 00406 * the interface (name, type of data) for its private ioctl. 00407 * Privates ioctl are SIOCIWFIRSTPRIV -> SIOCIWLASTPRIV 00408 */ 00409 00410 #define IW_PRIV_TYPE_MASK 0x7000 /* Type of arguments */ 00411 #define IW_PRIV_TYPE_NONE 0x0000 00412 #define IW_PRIV_TYPE_BYTE 0x1000 /* Char as number */ 00413 #define IW_PRIV_TYPE_CHAR 0x2000 /* Char as character */ 00414 #define IW_PRIV_TYPE_INT 0x4000 /* 32 bits int */ 00415 #define IW_PRIV_TYPE_FLOAT 0x5000 /* struct iw_freq */ 00416 #define IW_PRIV_TYPE_ADDR 0x6000 /* struct sockaddr */ 00417 00418 #define IW_PRIV_SIZE_FIXED 0x0800 /* Variable or fixed number of args */ 00419 00420 #define IW_PRIV_SIZE_MASK 0x07FF /* Max number of those args */ 00421 00422 /* 00423 * Note : if the number of args is fixed and the size < 16 octets, 00424 * instead of passing a pointer we will put args in the iwreq struct... 00425 */ 00426 00427 /* ----------------------- OTHER CONSTANTS ----------------------- */ 00428 00429 /* Maximum frequencies in the range struct */ 00430 #define IW_MAX_FREQUENCIES 32 00431 /* Note : if you have something like 80 frequencies, 00432 * don't increase this constant and don't fill the frequency list. 00433 * The user will be able to set by channel anyway... */ 00434 00435 /* Maximum bit rates in the range struct */ 00436 #define IW_MAX_BITRATES 32 00437 00438 /* Maximum tx powers in the range struct */ 00439 #define IW_MAX_TXPOWER 8 00440 /* Note : if you more than 8 TXPowers, just set the max and min or 00441 * a few of them in the struct iw_range. */ 00442 00443 /* Maximum of address that you may set with SPY */ 00444 #define IW_MAX_SPY 8 00445 00446 /* Maximum of address that you may get in the 00447 list of access points in range */ 00448 #define IW_MAX_AP 64 00449 00450 /* Maximum size of the ESSID and NICKN strings */ 00451 #define IW_ESSID_MAX_SIZE 32 00452 00453 /* Modes of operation */ 00454 #define IW_MODE_AUTO 0 /* Let the driver decides */ 00455 #define IW_MODE_ADHOC 1 /* Single cell network */ 00456 #define IW_MODE_INFRA 2 /* Multi cell network, roaming, ... */ 00457 #define IW_MODE_MASTER 3 /* Synchronisation master or Access Point */ 00458 #define IW_MODE_REPEAT 4 /* Wireless Repeater (forwarder) */ 00459 #define IW_MODE_SECOND 5 /* Secondary master/repeater (backup) */ 00460 #define IW_MODE_MONITOR 6 /* Passive monitor (listen only) */ 00461 00462 /* Statistics flags (bitmask in updated) */ 00463 #define IW_QUAL_QUAL_UPDATED 0x01 /* Value was updated since last read */ 00464 #define IW_QUAL_LEVEL_UPDATED 0x02 00465 #define IW_QUAL_NOISE_UPDATED 0x04 00466 #define IW_QUAL_ALL_UPDATED 0x07 00467 #define IW_QUAL_DBM 0x08 /* Level + Noise are dBm */ 00468 #define IW_QUAL_QUAL_INVALID 0x10 /* Driver doesn't provide value */ 00469 #define IW_QUAL_LEVEL_INVALID 0x20 00470 #define IW_QUAL_NOISE_INVALID 0x40 00471 #define IW_QUAL_ALL_INVALID 0x70 00472 00473 /* Frequency flags */ 00474 #define IW_FREQ_AUTO 0x00 /* Let the driver decides */ 00475 #define IW_FREQ_FIXED 0x01 /* Force a specific value */ 00476 00477 /* Maximum number of size of encoding token available 00478 * they are listed in the range structure */ 00479 #define IW_MAX_ENCODING_SIZES 8 00480 00481 /* Maximum size of the encoding token in bytes */ 00482 #define IW_ENCODING_TOKEN_MAX 64 /* 512 bits (for now) */ 00483 00484 /* Flags for encoding (along with the token) */ 00485 #define IW_ENCODE_INDEX 0x00FF /* Token index (if needed) */ 00486 #define IW_ENCODE_FLAGS 0xFF00 /* Flags defined below */ 00487 #define IW_ENCODE_MODE 0xF000 /* Modes defined below */ 00488 #define IW_ENCODE_DISABLED 0x8000 /* Encoding disabled */ 00489 #define IW_ENCODE_ENABLED 0x0000 /* Encoding enabled */ 00490 #define IW_ENCODE_RESTRICTED 0x4000 /* Refuse non-encoded packets */ 00491 #define IW_ENCODE_OPEN 0x2000 /* Accept non-encoded packets */ 00492 #define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */ 00493 #define IW_ENCODE_TEMP 0x0400 /* Temporary key */ 00494 00495 /* Power management flags available (along with the value, if any) */ 00496 #define IW_POWER_ON 0x0000 /* No details... */ 00497 #define IW_POWER_TYPE 0xF000 /* Type of parameter */ 00498 #define IW_POWER_PERIOD 0x1000 /* Value is a period/duration of */ 00499 #define IW_POWER_TIMEOUT 0x2000 /* Value is a timeout (to go asleep) */ 00500 #define IW_POWER_MODE 0x0F00 /* Power Management mode */ 00501 #define IW_POWER_UNICAST_R 0x0100 /* Receive only unicast messages */ 00502 #define IW_POWER_MULTICAST_R 0x0200 /* Receive only multicast messages */ 00503 #define IW_POWER_ALL_R 0x0300 /* Receive all messages though PM */ 00504 #define IW_POWER_FORCE_S 0x0400 /* Force PM procedure for sending unicast */ 00505 #define IW_POWER_REPEATER 0x0800 /* Repeat broadcast messages in PM period */ 00506 #define IW_POWER_MODIFIER 0x000F /* Modify a parameter */ 00507 #define IW_POWER_MIN 0x0001 /* Value is a minimum */ 00508 #define IW_POWER_MAX 0x0002 /* Value is a maximum */ 00509 #define IW_POWER_RELATIVE 0x0004 /* Value is not in seconds/ms/us */ 00510 00511 /* Transmit Power flags available */ 00512 #define IW_TXPOW_TYPE 0x00FF /* Type of value */ 00513 #define IW_TXPOW_DBM 0x0000 /* Value is in dBm */ 00514 #define IW_TXPOW_MWATT 0x0001 /* Value is in mW */ 00515 #define IW_TXPOW_RELATIVE 0x0002 /* Value is in arbitrary units */ 00516 #define IW_TXPOW_RANGE 0x1000 /* Range of value between min/max */ 00517 00518 /* Retry limits and lifetime flags available */ 00519 #define IW_RETRY_ON 0x0000 /* No details... */ 00520 #define IW_RETRY_TYPE 0xF000 /* Type of parameter */ 00521 #define IW_RETRY_LIMIT 0x1000 /* Maximum number of retries*/ 00522 #define IW_RETRY_LIFETIME 0x2000 /* Maximum duration of retries in us */ 00523 #define IW_RETRY_MODIFIER 0x000F /* Modify a parameter */ 00524 #define IW_RETRY_MIN 0x0001 /* Value is a minimum */ 00525 #define IW_RETRY_MAX 0x0002 /* Value is a maximum */ 00526 #define IW_RETRY_RELATIVE 0x0004 /* Value is not in seconds/ms/us */ 00527 00528 /* Scanning request flags */ 00529 #define IW_SCAN_DEFAULT 0x0000 /* Default scan of the driver */ 00530 #define IW_SCAN_ALL_ESSID 0x0001 /* Scan all ESSIDs */ 00531 #define IW_SCAN_THIS_ESSID 0x0002 /* Scan only this ESSID */ 00532 #define IW_SCAN_ALL_FREQ 0x0004 /* Scan all Frequencies */ 00533 #define IW_SCAN_THIS_FREQ 0x0008 /* Scan only this Frequency */ 00534 #define IW_SCAN_ALL_MODE 0x0010 /* Scan all Modes */ 00535 #define IW_SCAN_THIS_MODE 0x0020 /* Scan only this Mode */ 00536 #define IW_SCAN_ALL_RATE 0x0040 /* Scan all Bit-Rates */ 00537 #define IW_SCAN_THIS_RATE 0x0080 /* Scan only this Bit-Rate */ 00538 /* struct iw_scan_req scan_type */ 00539 #define IW_SCAN_TYPE_ACTIVE 0 00540 #define IW_SCAN_TYPE_PASSIVE 1 00541 /* Maximum size of returned data */ 00542 #define IW_SCAN_MAX_DATA 4096 /* In bytes */ 00543 00544 /* Max number of char in custom event - use multiple of them if needed */ 00545 #define IW_CUSTOM_MAX 256 /* In bytes */ 00546 00547 /* Generic information element */ 00548 #define IW_GENERIC_IE_MAX 1024 00549 00550 /* MLME requests (SIOCSIWMLME / struct iw_mlme) */ 00551 #define IW_MLME_DEAUTH 0 00552 #define IW_MLME_DISASSOC 1 00553 00554 /* SIOCSIWAUTH/SIOCGIWAUTH struct iw_param flags */ 00555 #define IW_AUTH_INDEX 0x0FFF 00556 #define IW_AUTH_FLAGS 0xF000 00557 /* SIOCSIWAUTH/SIOCGIWAUTH parameters (0 .. 4095) 00558 * (IW_AUTH_INDEX mask in struct iw_param flags; this is the index of the 00559 * parameter that is being set/get to; value will be read/written to 00560 * struct iw_param value field) */ 00561 #define IW_AUTH_WPA_VERSION 0 00562 #define IW_AUTH_CIPHER_PAIRWISE 1 00563 #define IW_AUTH_CIPHER_GROUP 2 00564 #define IW_AUTH_KEY_MGMT 3 00565 #define IW_AUTH_TKIP_COUNTERMEASURES 4 00566 #define IW_AUTH_DROP_UNENCRYPTED 5 00567 #define IW_AUTH_80211_AUTH_ALG 6 00568 #define IW_AUTH_WPA_ENABLED 7 00569 #define IW_AUTH_RX_UNENCRYPTED_EAPOL 8 00570 #define IW_AUTH_ROAMING_CONTROL 9 00571 #define IW_AUTH_PRIVACY_INVOKED 10 00572 00573 /* IW_AUTH_WPA_VERSION values (bit field) */ 00574 #define IW_AUTH_WPA_VERSION_DISABLED 0x00000001 00575 #define IW_AUTH_WPA_VERSION_WPA 0x00000002 00576 #define IW_AUTH_WPA_VERSION_WPA2 0x00000004 00577 00578 /* IW_AUTH_PAIRWISE_CIPHER and IW_AUTH_GROUP_CIPHER values (bit field) */ 00579 #define IW_AUTH_CIPHER_NONE 0x00000001 00580 #define IW_AUTH_CIPHER_WEP40 0x00000002 00581 #define IW_AUTH_CIPHER_TKIP 0x00000004 00582 #define IW_AUTH_CIPHER_CCMP 0x00000008 00583 #define IW_AUTH_CIPHER_WEP104 0x00000010 00584 00585 /* IW_AUTH_KEY_MGMT values (bit field) */ 00586 #define IW_AUTH_KEY_MGMT_802_1X 1 00587 #define IW_AUTH_KEY_MGMT_PSK 2 00588 00589 /* IW_AUTH_80211_AUTH_ALG values (bit field) */ 00590 #define IW_AUTH_ALG_OPEN_SYSTEM 0x00000001 00591 #define IW_AUTH_ALG_SHARED_KEY 0x00000002 00592 #define IW_AUTH_ALG_LEAP 0x00000004 00593 00594 /* IW_AUTH_ROAMING_CONTROL values */ 00595 #define IW_AUTH_ROAMING_ENABLE 0 /* driver/firmware based roaming */ 00596 #define IW_AUTH_ROAMING_DISABLE 1 /* user space program used for roaming 00597 * control */ 00598 00599 /* SIOCSIWENCODEEXT definitions */ 00600 #define IW_ENCODE_SEQ_MAX_SIZE 8 00601 /* struct iw_encode_ext ->alg */ 00602 #define IW_ENCODE_ALG_NONE 0 00603 #define IW_ENCODE_ALG_WEP 1 00604 #define IW_ENCODE_ALG_TKIP 2 00605 #define IW_ENCODE_ALG_CCMP 3 00606 /* struct iw_encode_ext ->ext_flags */ 00607 #define IW_ENCODE_EXT_TX_SEQ_VALID 0x00000001 00608 #define IW_ENCODE_EXT_RX_SEQ_VALID 0x00000002 00609 #define IW_ENCODE_EXT_GROUP_KEY 0x00000004 00610 #define IW_ENCODE_EXT_SET_TX_KEY 0x00000008 00611 00612 /* IWEVMICHAELMICFAILURE : struct iw_michaelmicfailure ->flags */ 00613 #define IW_MICFAILURE_KEY_ID 0x00000003 /* Key ID 0..3 */ 00614 #define IW_MICFAILURE_GROUP 0x00000004 00615 #define IW_MICFAILURE_PAIRWISE 0x00000008 00616 #define IW_MICFAILURE_STAKEY 0x00000010 00617 #define IW_MICFAILURE_COUNT 0x00000060 /* 1 or 2 (0 = count not supported) 00618 */ 00619 00620 /* Bit field values for enc_capa in struct iw_range */ 00621 #define IW_ENC_CAPA_WPA 0x00000001 00622 #define IW_ENC_CAPA_WPA2 0x00000002 00623 #define IW_ENC_CAPA_CIPHER_TKIP 0x00000004 00624 #define IW_ENC_CAPA_CIPHER_CCMP 0x00000008 00625 00626 /* Event capability macros - in (struct iw_range *)->event_capa 00627 * Because we have more than 32 possible events, we use an array of 00628 * 32 bit bitmasks. Note : 32 bits = 0x20 = 2^5. */ 00629 #define IW_EVENT_CAPA_BASE(cmd) ((cmd >= SIOCIWFIRSTPRIV) ? \ 00630 (cmd - SIOCIWFIRSTPRIV + 0x60) : \ 00631 (cmd - SIOCSIWCOMMIT)) 00632 #define IW_EVENT_CAPA_INDEX(cmd) (IW_EVENT_CAPA_BASE(cmd) >> 5) 00633 #define IW_EVENT_CAPA_MASK(cmd) (1 << (IW_EVENT_CAPA_BASE(cmd) & 0x1F)) 00634 /* Event capability constants - event autogenerated by the kernel 00635 * This list is valid for most 802.11 devices, customise as needed... */ 00636 #define IW_EVENT_CAPA_K_0 (IW_EVENT_CAPA_MASK(0x8B04) | \ 00637 IW_EVENT_CAPA_MASK(0x8B06) | \ 00638 IW_EVENT_CAPA_MASK(0x8B1A)) 00639 #define IW_EVENT_CAPA_K_1 (IW_EVENT_CAPA_MASK(0x8B2A)) 00640 /* "Easy" macro to set events in iw_range (less efficient) */ 00641 #define IW_EVENT_CAPA_SET(event_capa, cmd) (event_capa[IW_EVENT_CAPA_INDEX(cmd)] |= IW_EVENT_CAPA_MASK(cmd)) 00642 #define IW_EVENT_CAPA_SET_KERNEL(event_capa) {event_capa[0] |= IW_EVENT_CAPA_K_0; event_capa[1] |= IW_EVENT_CAPA_K_1; } 00643 00644 00645 /* **************************** TYPES ******************************/ 00646 00647 /* --------------------------- SUBTYPES --------------------------- */ 00648 /* 00649 * Generic format for most parameters that fit in an int 00650 */ 00651 struct iw_param 00652 { 00653 __s32 value; /* The value of the parameter itself */ 00654 __u8 fixed; /* Hardware should not use auto select */ 00655 __u8 disabled; /* Disable the feature */ 00656 __u16 flags; /* Various specifc flags (if any) */ 00657 }; 00658 00659 /* 00660 * For all data larger than 16 octets, we need to use a 00661 * pointer to memory allocated in user space. 00662 */ 00663 struct iw_point 00664 { 00665 void __user *pointer; /* Pointer to the data (in user space) */ 00666 __u16 length; /* number of fields or size in bytes */ 00667 __u16 flags; /* Optional params */ 00668 }; 00669 00670 /* 00671 * A frequency 00672 * For numbers lower than 10^9, we encode the number in 'm' and 00673 * set 'e' to 0 00674 * For number greater than 10^9, we divide it by the lowest power 00675 * of 10 to get 'm' lower than 10^9, with 'm'= f / (10^'e')... 00676 * The power of 10 is in 'e', the result of the division is in 'm'. 00677 */ 00678 struct iw_freq 00679 { 00680 __s32 m; /* Mantissa */ 00681 __s16 e; /* Exponent */ 00682 __u8 i; /* List index (when in range struct) */ 00683 __u8 flags; /* Flags (fixed/auto) */ 00684 }; 00685 00686 /* 00687 * Quality of the link 00688 */ 00689 struct iw_quality 00690 { 00691 __u8 qual; /* link quality (%retries, SNR, 00692 %missed beacons or better...) */ 00693 __u8 level; /* signal level (dBm) */ 00694 __u8 noise; /* noise level (dBm) */ 00695 __u8 updated; /* Flags to know if updated */ 00696 }; 00697 00698 /* 00699 * Packet discarded in the wireless adapter due to 00700 * "wireless" specific problems... 00701 * Note : the list of counter and statistics in net_device_stats 00702 * is already pretty exhaustive, and you should use that first. 00703 * This is only additional stats... 00704 */ 00705 struct iw_discarded 00706 { 00707 __u32 nwid; /* Rx : Wrong nwid/essid */ 00708 __u32 code; /* Rx : Unable to code/decode (WEP) */ 00709 __u32 fragment; /* Rx : Can't perform MAC reassembly */ 00710 __u32 retries; /* Tx : Max MAC retries num reached */ 00711 __u32 misc; /* Others cases */ 00712 }; 00713 00714 /* 00715 * Packet/Time period missed in the wireless adapter due to 00716 * "wireless" specific problems... 00717 */ 00718 struct iw_missed 00719 { 00720 __u32 beacon; /* Missed beacons/superframe */ 00721 }; 00722 00723 /* 00724 * Quality range (for spy threshold) 00725 */ 00726 struct iw_thrspy 00727 { 00728 struct sockaddr addr; /* Source address (hw/mac) */ 00729 struct iw_quality qual; /* Quality of the link */ 00730 struct iw_quality low; /* Low threshold */ 00731 struct iw_quality high; /* High threshold */ 00732 }; 00733 00734 /* 00735 * Optional data for scan request 00736 * 00737 * Note: these optional parameters are controlling parameters for the 00738 * scanning behavior, these do not apply to getting scan results 00739 * (SIOCGIWSCAN). Drivers are expected to keep a local BSS table and 00740 * provide a merged results with all BSSes even if the previous scan 00741 * request limited scanning to a subset, e.g., by specifying an SSID. 00742 * Especially, scan results are required to include an entry for the 00743 * current BSS if the driver is in Managed mode and associated with an AP. 00744 */ 00745 struct iw_scan_req 00746 { 00747 __u8 scan_type; /* IW_SCAN_TYPE_{ACTIVE,PASSIVE} */ 00748 __u8 essid_len; 00749 __u8 num_channels; /* num entries in channel_list; 00750 * 0 = scan all allowed channels */ 00751 __u8 flags; /* reserved as padding; use zero, this may 00752 * be used in the future for adding flags 00753 * to request different scan behavior */ 00754 struct sockaddr bssid; /* ff:ff:ff:ff:ff:ff for broadcast BSSID or 00755 * individual address of a specific BSS */ 00756 00757 /* 00758 * Use this ESSID if IW_SCAN_THIS_ESSID flag is used instead of using 00759 * the current ESSID. This allows scan requests for specific ESSID 00760 * without having to change the current ESSID and potentially breaking 00761 * the current association. 00762 */ 00763 __u8 essid[IW_ESSID_MAX_SIZE]; 00764 00765 /* 00766 * Optional parameters for changing the default scanning behavior. 00767 * These are based on the MLME-SCAN.request from IEEE Std 802.11. 00768 * TU is 1.024 ms. If these are set to 0, driver is expected to use 00769 * reasonable default values. min_channel_time defines the time that 00770 * will be used to wait for the first reply on each channel. If no 00771 * replies are received, next channel will be scanned after this. If 00772 * replies are received, total time waited on the channel is defined by 00773 * max_channel_time. 00774 */ 00775 __u32 min_channel_time; /* in TU */ 00776 __u32 max_channel_time; /* in TU */ 00777 00778 struct iw_freq channel_list[IW_MAX_FREQUENCIES]; 00779 }; 00780 00781 /* ------------------------- WPA SUPPORT ------------------------- */ 00782 00783 /* 00784 * Extended data structure for get/set encoding (this is used with 00785 * SIOCSIWENCODEEXT/SIOCGIWENCODEEXT. struct iw_point and IW_ENCODE_* 00786 * flags are used in the same way as with SIOCSIWENCODE/SIOCGIWENCODE and 00787 * only the data contents changes (key data -> this structure, including 00788 * key data). 00789 * 00790 * If the new key is the first group key, it will be set as the default 00791 * TX key. Otherwise, default TX key index is only changed if 00792 * IW_ENCODE_EXT_SET_TX_KEY flag is set. 00793 * 00794 * Key will be changed with SIOCSIWENCODEEXT in all cases except for 00795 * special "change TX key index" operation which is indicated by setting 00796 * key_len = 0 and ext_flags |= IW_ENCODE_EXT_SET_TX_KEY. 00797 * 00798 * tx_seq/rx_seq are only used when respective 00799 * IW_ENCODE_EXT_{TX,RX}_SEQ_VALID flag is set in ext_flags. Normal 00800 * TKIP/CCMP operation is to set RX seq with SIOCSIWENCODEEXT and start 00801 * TX seq from zero whenever key is changed. SIOCGIWENCODEEXT is normally 00802 * used only by an Authenticator (AP or an IBSS station) to get the 00803 * current TX sequence number. Using TX_SEQ_VALID for SIOCSIWENCODEEXT and 00804 * RX_SEQ_VALID for SIOCGIWENCODEEXT are optional, but can be useful for 00805 * debugging/testing. 00806 */ 00807 struct iw_encode_ext 00808 { 00809 __u32 ext_flags; /* IW_ENCODE_EXT_* */ 00810 __u8 tx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */ 00811 __u8 rx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */ 00812 struct sockaddr addr; /* ff:ff:ff:ff:ff:ff for broadcast/multicast 00813 * (group) keys or unicast address for 00814 * individual keys */ 00815 __u16 alg; /* IW_ENCODE_ALG_* */ 00816 __u16 key_len; 00817 __u8 key[0]; 00818 }; 00819 00820 /* SIOCSIWMLME data */ 00821 struct iw_mlme 00822 { 00823 __u16 cmd; /* IW_MLME_* */ 00824 __u16 reason_code; 00825 struct sockaddr addr; 00826 }; 00827 00828 /* SIOCSIWPMKSA data */ 00829 #define IW_PMKSA_ADD 1 00830 #define IW_PMKSA_REMOVE 2 00831 #define IW_PMKSA_FLUSH 3 00832 00833 #define IW_PMKID_LEN 16 00834 00835 struct iw_pmksa 00836 { 00837 __u32 cmd; /* IW_PMKSA_* */ 00838 struct sockaddr bssid; 00839 __u8 pmkid[IW_PMKID_LEN]; 00840 }; 00841 00842 /* IWEVMICHAELMICFAILURE data */ 00843 struct iw_michaelmicfailure 00844 { 00845 __u32 flags; 00846 struct sockaddr src_addr; 00847 __u8 tsc[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */ 00848 }; 00849 00850 /* IWEVPMKIDCAND data */ 00851 #define IW_PMKID_CAND_PREAUTH 0x00000001 /* RNS pre-authentication enabled */ 00852 struct iw_pmkid_cand 00853 { 00854 __u32 flags; /* IW_PMKID_CAND_* */ 00855 __u32 index; /* the smaller the index, the higher the 00856 * priority */ 00857 struct sockaddr bssid; 00858 }; 00859 00860 /* ------------------------ WIRELESS STATS ------------------------ */ 00861 /* 00862 * Wireless statistics (used for /proc/net/wireless) 00863 */ 00864 struct iw_statistics 00865 { 00866 __u16 status; /* Status 00867 * - device dependent for now */ 00868 00869 struct iw_quality qual; /* Quality of the link 00870 * (instant/mean/max) */ 00871 struct iw_discarded discard; /* Packet discarded counts */ 00872 struct iw_missed miss; /* Packet missed counts */ 00873 }; 00874 00875 /* ------------------------ IOCTL REQUEST ------------------------ */ 00876 /* 00877 * This structure defines the payload of an ioctl, and is used 00878 * below. 00879 * 00880 * Note that this structure should fit on the memory footprint 00881 * of iwreq (which is the same as ifreq), which mean a max size of 00882 * 16 octets = 128 bits. Warning, pointers might be 64 bits wide... 00883 * You should check this when increasing the structures defined 00884 * above in this file... 00885 */ 00886 union iwreq_data 00887 { 00888 /* Config - generic */ 00889 char name[IFNAMSIZ]; 00890 /* Name : used to verify the presence of wireless extensions. 00891 * Name of the protocol/provider... */ 00892 00893 struct iw_point essid; /* Extended network name */ 00894 struct iw_param nwid; /* network id (or domain - the cell) */ 00895 struct iw_freq freq; /* frequency or channel : 00896 * 0-1000 = channel 00897 * > 1000 = frequency in Hz */ 00898 00899 struct iw_param sens; /* signal level threshold */ 00900 struct iw_param bitrate; /* default bit rate */ 00901 struct iw_param txpower; /* default transmit power */ 00902 struct iw_param rts; /* RTS threshold threshold */ 00903 struct iw_param frag; /* Fragmentation threshold */ 00904 __u32 mode; /* Operation mode */ 00905 struct iw_param retry; /* Retry limits & lifetime */ 00906 00907 struct iw_point encoding; /* Encoding stuff : tokens */ 00908 struct iw_param power; /* PM duration/timeout */ 00909 struct iw_quality qual; /* Quality part of statistics */ 00910 00911 struct sockaddr ap_addr; /* Access point address */ 00912 struct sockaddr addr; /* Destination address (hw/mac) */ 00913 00914 struct iw_param param; /* Other small parameters */ 00915 struct iw_point data; /* Other large parameters */ 00916 }; 00917 00918 /* 00919 * The structure to exchange data for ioctl. 00920 * This structure is the same as 'struct ifreq', but (re)defined for 00921 * convenience... 00922 * Do I need to remind you about structure size (32 octets) ? 00923 */ 00924 struct iwreq 00925 { 00926 union 00927 { 00928 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "eth0" */ 00929 } ifr_ifrn; 00930 00931 /* Data part (defined just above) */ 00932 union iwreq_data u; 00933 }; 00934 00935 /* -------------------------- IOCTL DATA -------------------------- */ 00936 /* 00937 * For those ioctl which want to exchange mode data that what could 00938 * fit in the above structure... 00939 */ 00940 00941 /* 00942 * Range of parameters 00943 */ 00944 00945 struct iw_range 00946 { 00947 /* Informative stuff (to choose between different interface) */ 00948 __u32 throughput; /* To give an idea... */ 00949 /* In theory this value should be the maximum benchmarked 00950 * TCP/IP throughput, because with most of these devices the 00951 * bit rate is meaningless (overhead an co) to estimate how 00952 * fast the connection will go and pick the fastest one. 00953 * I suggest people to play with Netperf or any benchmark... 00954 */ 00955 00956 /* NWID (or domain id) */ 00957 __u32 min_nwid; /* Minimal NWID we are able to set */ 00958 __u32 max_nwid; /* Maximal NWID we are able to set */ 00959 00960 /* Old Frequency (backward compat - moved lower ) */ 00961 __u16 old_num_channels; 00962 __u8 old_num_frequency; 00963 00964 /* Wireless event capability bitmasks */ 00965 __u32 event_capa[6]; 00966 00967 /* signal level threshold range */ 00968 __s32 sensitivity; 00969 00970 /* Quality of link & SNR stuff */ 00971 /* Quality range (link, level, noise) 00972 * If the quality is absolute, it will be in the range [0 ; max_qual], 00973 * if the quality is dBm, it will be in the range [max_qual ; 0]. 00974 * Don't forget that we use 8 bit arithmetics... */ 00975 struct iw_quality max_qual; /* Quality of the link */ 00976 /* This should contain the average/typical values of the quality 00977 * indicator. This should be the threshold between a "good" and 00978 * a "bad" link (example : monitor going from green to orange). 00979 * Currently, user space apps like quality monitors don't have any 00980 * way to calibrate the measurement. With this, they can split 00981 * the range between 0 and max_qual in different quality level 00982 * (using a geometric subdivision centered on the average). 00983 * I expect that people doing the user space apps will feedback 00984 * us on which value we need to put in each driver... */ 00985 struct iw_quality avg_qual; /* Quality of the link */ 00986 00987 /* Rates */ 00988 __u8 num_bitrates; /* Number of entries in the list */ 00989 __s32 bitrate[IW_MAX_BITRATES]; /* list, in bps */ 00990 00991 /* RTS threshold */ 00992 __s32 min_rts; /* Minimal RTS threshold */ 00993 __s32 max_rts; /* Maximal RTS threshold */ 00994 00995 /* Frag threshold */ 00996 __s32 min_frag; /* Minimal frag threshold */ 00997 __s32 max_frag; /* Maximal frag threshold */ 00998 00999 /* Power Management duration & timeout */ 01000 __s32 min_pmp; /* Minimal PM period */ 01001 __s32 max_pmp; /* Maximal PM period */ 01002 __s32 min_pmt; /* Minimal PM timeout */ 01003 __s32 max_pmt; /* Maximal PM timeout */ 01004 __u16 pmp_flags; /* How to decode max/min PM period */ 01005 __u16 pmt_flags; /* How to decode max/min PM timeout */ 01006 __u16 pm_capa; /* What PM options are supported */ 01007 01008 /* Encoder stuff */ 01009 __u16 encoding_size[IW_MAX_ENCODING_SIZES]; /* Different token sizes */ 01010 __u8 num_encoding_sizes; /* Number of entry in the list */ 01011 __u8 max_encoding_tokens; /* Max number of tokens */ 01012 /* For drivers that need a "login/passwd" form */ 01013 __u8 encoding_login_index; /* token index for login token */ 01014 01015 /* Transmit power */ 01016 __u16 txpower_capa; /* What options are supported */ 01017 __u8 num_txpower; /* Number of entries in the list */ 01018 __s32 txpower[IW_MAX_TXPOWER]; /* list, in bps */ 01019 01020 /* Wireless Extension version info */ 01021 __u8 we_version_compiled; /* Must be WIRELESS_EXT */ 01022 __u8 we_version_source; /* Last update of source */ 01023 01024 /* Retry limits and lifetime */ 01025 __u16 retry_capa; /* What retry options are supported */ 01026 __u16 retry_flags; /* How to decode max/min retry limit */ 01027 __u16 r_time_flags; /* How to decode max/min retry life */ 01028 __s32 min_retry; /* Minimal number of retries */ 01029 __s32 max_retry; /* Maximal number of retries */ 01030 __s32 min_r_time; /* Minimal retry lifetime */ 01031 __s32 max_r_time; /* Maximal retry lifetime */ 01032 01033 /* Frequency */ 01034 __u16 num_channels; /* Number of channels [0; num - 1] */ 01035 __u8 num_frequency; /* Number of entry in the list */ 01036 struct iw_freq freq[IW_MAX_FREQUENCIES]; /* list */ 01037 /* Note : this frequency list doesn't need to fit channel numbers, 01038 * because each entry contain its channel index */ 01039 01040 __u32 enc_capa; /* IW_ENC_CAPA_* bit field */ 01041 }; 01042 01043 /* 01044 * Private ioctl interface information 01045 */ 01046 01047 struct iw_priv_args 01048 { 01049 __u32 cmd; /* Number of the ioctl to issue */ 01050 __u16 set_args; /* Type and number of args */ 01051 __u16 get_args; /* Type and number of args */ 01052 char name[IFNAMSIZ]; /* Name of the extension */ 01053 }; 01054 01055 /* ----------------------- WIRELESS EVENTS ----------------------- */ 01056 /* 01057 * Wireless events are carried through the rtnetlink socket to user 01058 * space. They are encapsulated in the IFLA_WIRELESS field of 01059 * a RTM_NEWLINK message. 01060 */ 01061 01062 /* 01063 * A Wireless Event. Contains basically the same data as the ioctl... 01064 */ 01065 struct iw_event 01066 { 01067 __u16 len; /* Real lenght of this stuff */ 01068 __u16 cmd; /* Wireless IOCTL */ 01069 union iwreq_data u; /* IOCTL fixed payload */ 01070 }; 01071 01072 /* Size of the Event prefix (including padding and alignement junk) */ 01073 #define IW_EV_LCP_LEN (sizeof(struct iw_event) - sizeof(union iwreq_data)) 01074 /* Size of the various events */ 01075 #define IW_EV_CHAR_LEN (IW_EV_LCP_LEN + IFNAMSIZ) 01076 #define IW_EV_UINT_LEN (IW_EV_LCP_LEN + sizeof(__u32)) 01077 #define IW_EV_FREQ_LEN (IW_EV_LCP_LEN + sizeof(struct iw_freq)) 01078 #define IW_EV_PARAM_LEN (IW_EV_LCP_LEN + sizeof(struct iw_param)) 01079 #define IW_EV_ADDR_LEN (IW_EV_LCP_LEN + sizeof(struct sockaddr)) 01080 #define IW_EV_QUAL_LEN (IW_EV_LCP_LEN + sizeof(struct iw_quality)) 01081 01082 /* iw_point events are special. First, the payload (extra data) come at 01083 * the end of the event, so they are bigger than IW_EV_POINT_LEN. Second, 01084 * we omit the pointer, so start at an offset. */ 01085 #define IW_EV_POINT_OFF (((char *) &(((struct iw_point *) NULL)->length)) - \ 01086 (char *) NULL) 01087 #define IW_EV_POINT_LEN (IW_EV_LCP_LEN + sizeof(struct iw_point) - \ 01088 IW_EV_POINT_OFF) 01089 01090 #endif /* _LINUX_WIRELESS_H */ 01091
1.4.2