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wireless.h
0001: /*
0002:  * This file define a set of standard wireless extensions
0003:  *
0004:  * Version :    22      16.3.07
0005:  *
0006:  * Authors :    Jean Tourrilhes - HPL - <jt@hpl.hp.com>
0007:  * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved.
0008:  */
0009: 
0010: #ifndef _LINUX_WIRELESS_H
0011: #define _LINUX_WIRELESS_H
0012: 
0013: /************************** DOCUMENTATION **************************/
0014: /*
0015:  * Initial APIs (1996 -> onward) :
0016:  * -----------------------------
0017:  * Basically, the wireless extensions are for now a set of standard ioctl
0018:  * call + /proc/net/wireless
0019:  *
0020:  * The entry /proc/net/wireless give statistics and information on the
0021:  * driver.
0022:  * This is better than having each driver having its entry because
0023:  * its centralised and we may remove the driver module safely.
0024:  *
0025:  * Ioctl are used to configure the driver and issue commands.  This is
0026:  * better than command line options of insmod because we may want to
0027:  * change dynamically (while the driver is running) some parameters.
0028:  *
0029:  * The ioctl mechanimsm are copied from standard devices ioctl.
0030:  * We have the list of command plus a structure descibing the
0031:  * data exchanged...
0032:  * Note that to add these ioctl, I was obliged to modify :
0033:  *      # net/core/dev.c (two place + add include)
0034:  *      # net/ipv4/af_inet.c (one place + add include)
0035:  *
0036:  * /proc/net/wireless is a copy of /proc/net/dev.
0037:  * We have a structure for data passed from the driver to /proc/net/wireless
0038:  * Too add this, I've modified :
0039:  *      # net/core/dev.c (two other places)
0040:  *      # include/linux/netdevice.h (one place)
0041:  *      # include/linux/proc_fs.h (one place)
0042:  *
0043:  * New driver API (2002 -> onward) :
0044:  * -------------------------------
0045:  * This file is only concerned with the user space API and common definitions.
0046:  * The new driver API is defined and documented in :
0047:  *      # include/net/iw_handler.h
0048:  *
0049:  * Note as well that /proc/net/wireless implementation has now moved in :
0050:  *      # net/core/wireless.c
0051:  *
0052:  * Wireless Events (2002 -> onward) :
0053:  * --------------------------------
0054:  * Events are defined at the end of this file, and implemented in :
0055:  *      # net/core/wireless.c
0056:  *
0057:  * Other comments :
0058:  * --------------
0059:  * Do not add here things that are redundant with other mechanisms
0060:  * (drivers init, ifconfig, /proc/net/dev, ...) and with are not
0061:  * wireless specific.
0062:  *
0063:  * These wireless extensions are not magic : each driver has to provide
0064:  * support for them...
0065:  *
0066:  * IMPORTANT NOTE : As everything in the kernel, this is very much a
0067:  * work in progress. Contact me if you have ideas of improvements...
0068:  */
0069: 
0070: /***************************** INCLUDES *****************************/
0071: 
0072: #include <linux/types.h>                /* for __u* and __s* typedefs */
0073: #include <linux/socket.h>               /* for "struct sockaddr" et al  */
0074: #include <linux/if.h>                   /* for IFNAMSIZ and co... */
0075: 
0076: /***************************** VERSION *****************************/
0077: /*
0078:  * This constant is used to know the availability of the wireless
0079:  * extensions and to know which version of wireless extensions it is
0080:  * (there is some stuff that will be added in the future...)
0081:  * I just plan to increment with each new version.
0082:  */
0083: #define WIRELESS_EXT    22
0084: 
0085: /*
0086:  * Changes :
0087:  *
0088:  * V2 to V3
0089:  * --------
0090:  *      Alan Cox start some incompatibles changes. I've integrated a bit more.
0091:  *      - Encryption renamed to Encode to avoid US regulation problems
0092:  *      - Frequency changed from float to struct to avoid problems on old 386
0093:  *
0094:  * V3 to V4
0095:  * --------
0096:  *      - Add sensitivity
0097:  *
0098:  * V4 to V5
0099:  * --------
0100:  *      - Missing encoding definitions in range
0101:  *      - Access points stuff
0102:  *
0103:  * V5 to V6
0104:  * --------
0105:  *      - 802.11 support (ESSID ioctls)
0106:  *
0107:  * V6 to V7
0108:  * --------
0109:  *      - define IW_ESSID_MAX_SIZE and IW_MAX_AP
0110:  *
0111:  * V7 to V8
0112:  * --------
0113:  *      - Changed my e-mail address
0114:  *      - More 802.11 support (nickname, rate, rts, frag)
0115:  *      - List index in frequencies
0116:  *
0117:  * V8 to V9
0118:  * --------
0119:  *      - Support for 'mode of operation' (ad-hoc, managed...)
0120:  *      - Support for unicast and multicast power saving
0121:  *      - Change encoding to support larger tokens (>64 bits)
0122:  *      - Updated iw_params (disable, flags) and use it for NWID
0123:  *      - Extracted iw_point from iwreq for clarity
0124:  *
0125:  * V9 to V10
0126:  * ---------
0127:  *      - Add PM capability to range structure
0128:  *      - Add PM modifier : MAX/MIN/RELATIVE
0129:  *      - Add encoding option : IW_ENCODE_NOKEY
0130:  *      - Add TxPower ioctls (work like TxRate)
0131:  *
0132:  * V10 to V11
0133:  * ----------
0134:  *      - Add WE version in range (help backward/forward compatibility)
0135:  *      - Add retry ioctls (work like PM)
0136:  *
0137:  * V11 to V12
0138:  * ----------
0139:  *      - Add SIOCSIWSTATS to get /proc/net/wireless programatically
0140:  *      - Add DEV PRIVATE IOCTL to avoid collisions in SIOCDEVPRIVATE space
0141:  *      - Add new statistics (frag, retry, beacon)
0142:  *      - Add average quality (for user space calibration)
0143:  *
0144:  * V12 to V13
0145:  * ----------
0146:  *      - Document creation of new driver API.
0147:  *      - Extract union iwreq_data from struct iwreq (for new driver API).
0148:  *      - Rename SIOCSIWNAME as SIOCSIWCOMMIT
0149:  *
0150:  * V13 to V14
0151:  * ----------
0152:  *      - Wireless Events support : define struct iw_event
0153:  *      - Define additional specific event numbers
0154:  *      - Add "addr" and "param" fields in union iwreq_data
0155:  *      - AP scanning stuff (SIOCSIWSCAN and friends)
0156:  *
0157:  * V14 to V15
0158:  * ----------
0159:  *      - Add IW_PRIV_TYPE_ADDR for struct sockaddr private arg
0160:  *      - Make struct iw_freq signed (both m & e), add explicit padding
0161:  *      - Add IWEVCUSTOM for driver specific event/scanning token
0162:  *      - Add IW_MAX_GET_SPY for driver returning a lot of addresses
0163:  *      - Add IW_TXPOW_RANGE for range of Tx Powers
0164:  *      - Add IWEVREGISTERED & IWEVEXPIRED events for Access Points
0165:  *      - Add IW_MODE_MONITOR for passive monitor
0166:  *
0167:  * V15 to V16
0168:  * ----------
0169:  *      - Increase the number of bitrates in iw_range to 32 (for 802.11g)
0170:  *      - Increase the number of frequencies in iw_range to 32 (for 802.11b+a)
0171:  *      - Reshuffle struct iw_range for increases, add filler
0172:  *      - Increase IW_MAX_AP to 64 for driver returning a lot of addresses
0173:  *      - Remove IW_MAX_GET_SPY because conflict with enhanced spy support
0174:  *      - Add SIOCSIWTHRSPY/SIOCGIWTHRSPY and "struct iw_thrspy"
0175:  *      - Add IW_ENCODE_TEMP and iw_range->encoding_login_index
0176:  *
0177:  * V16 to V17
0178:  * ----------
0179:  *      - Add flags to frequency -> auto/fixed
0180:  *      - Document (struct iw_quality *)->updated, add new flags (INVALID)
0181:  *      - Wireless Event capability in struct iw_range
0182:  *      - Add support for relative TxPower (yick !)
0183:  *
0184:  * V17 to V18 (From Jouni Malinen <j@w1.fi>)
0185:  * ----------
0186:  *      - Add support for WPA/WPA2
0187:  *      - Add extended encoding configuration (SIOCSIWENCODEEXT and
0188:  *        SIOCGIWENCODEEXT)
0189:  *      - Add SIOCSIWGENIE/SIOCGIWGENIE
0190:  *      - Add SIOCSIWMLME
0191:  *      - Add SIOCSIWPMKSA
0192:  *      - Add struct iw_range bit field for supported encoding capabilities
0193:  *      - Add optional scan request parameters for SIOCSIWSCAN
0194:  *      - Add SIOCSIWAUTH/SIOCGIWAUTH for setting authentication and WPA
0195:  *        related parameters (extensible up to 4096 parameter values)
0196:  *      - Add wireless events: IWEVGENIE, IWEVMICHAELMICFAILURE,
0197:  *        IWEVASSOCREQIE, IWEVASSOCRESPIE, IWEVPMKIDCAND
0198:  *
0199:  * V18 to V19
0200:  * ----------
0201:  *      - Remove (struct iw_point *)->pointer from events and streams
0202:  *      - Remove header includes to help user space
0203:  *      - Increase IW_ENCODING_TOKEN_MAX from 32 to 64
0204:  *      - Add IW_QUAL_ALL_UPDATED and IW_QUAL_ALL_INVALID macros
0205:  *      - Add explicit flag to tell stats are in dBm : IW_QUAL_DBM
0206:  *      - Add IW_IOCTL_IDX() and IW_EVENT_IDX() macros
0207:  *
0208:  * V19 to V20
0209:  * ----------
0210:  *      - RtNetlink requests support (SET/GET)
0211:  *
0212:  * V20 to V21
0213:  * ----------
0214:  *      - Remove (struct net_device *)->get_wireless_stats()
0215:  *      - Change length in ESSID and NICK to strlen() instead of strlen()+1
0216:  *      - Add IW_RETRY_SHORT/IW_RETRY_LONG retry modifiers
0217:  *      - Power/Retry relative values no longer * 100000
0218:  *      - Add explicit flag to tell stats are in 802.11k RCPI : IW_QUAL_RCPI
0219:  *
0220:  * V21 to V22
0221:  * ----------
0222:  *      - Prevent leaking of kernel space in stream on 64 bits.
0223:  */
0224: 
0225: /**************************** CONSTANTS ****************************/
0226: 
0227: /* -------------------------- IOCTL LIST -------------------------- */
0228: 
0229: /* Wireless Identification */
0230: #define SIOCSIWCOMMIT   0x8B00          /* Commit pending changes to driver */
0231: #define SIOCGIWNAME     0x8B01          /* get name == wireless protocol */
0232: /* SIOCGIWNAME is used to verify the presence of Wireless Extensions.
0233:  * Common values : "IEEE 802.11-DS", "IEEE 802.11-FH", "IEEE 802.11b"...
0234:  * Don't put the name of your driver there, it's useless. */
0235: 
0236: /* Basic operations */
0237: #define SIOCSIWNWID     0x8B02          /* set network id (pre-802.11) */
0238: #define SIOCGIWNWID     0x8B03          /* get network id (the cell) */
0239: #define SIOCSIWFREQ     0x8B04          /* set channel/frequency (Hz) */
0240: #define SIOCGIWFREQ     0x8B05          /* get channel/frequency (Hz) */
0241: #define SIOCSIWMODE     0x8B06          /* set operation mode */
0242: #define SIOCGIWMODE     0x8B07          /* get operation mode */
0243: #define SIOCSIWSENS     0x8B08          /* set sensitivity (dBm) */
0244: #define SIOCGIWSENS     0x8B09          /* get sensitivity (dBm) */
0245: 
0246: /* Informative stuff */
0247: #define SIOCSIWRANGE    0x8B0A          /* Unused */
0248: #define SIOCGIWRANGE    0x8B0B          /* Get range of parameters */
0249: #define SIOCSIWPRIV     0x8B0C          /* Unused */
0250: #define SIOCGIWPRIV     0x8B0D          /* get private ioctl interface info */
0251: #define SIOCSIWSTATS    0x8B0E          /* Unused */
0252: #define SIOCGIWSTATS    0x8B0F          /* Get /proc/net/wireless stats */
0253: /* SIOCGIWSTATS is strictly used between user space and the kernel, and
0254:  * is never passed to the driver (i.e. the driver will never see it). */
0255: 
0256: /* Spy support (statistics per MAC address - used for Mobile IP support) */
0257: #define SIOCSIWSPY      0x8B10          /* set spy addresses */
0258: #define SIOCGIWSPY      0x8B11          /* get spy info (quality of link) */
0259: #define SIOCSIWTHRSPY   0x8B12          /* set spy threshold (spy event) */
0260: #define SIOCGIWTHRSPY   0x8B13          /* get spy threshold */
0261: 
0262: /* Access Point manipulation */
0263: #define SIOCSIWAP       0x8B14          /* set access point MAC addresses */
0264: #define SIOCGIWAP       0x8B15          /* get access point MAC addresses */
0265: #define SIOCGIWAPLIST   0x8B17          /* Deprecated in favor of scanning */
0266: #define SIOCSIWSCAN     0x8B18          /* trigger scanning (list cells) */
0267: #define SIOCGIWSCAN     0x8B19          /* get scanning results */
0268: 
0269: /* 802.11 specific support */
0270: #define SIOCSIWESSID    0x8B1A          /* set ESSID (network name) */
0271: #define SIOCGIWESSID    0x8B1B          /* get ESSID */
0272: #define SIOCSIWNICKN    0x8B1C          /* set node name/nickname */
0273: #define SIOCGIWNICKN    0x8B1D          /* get node name/nickname */
0274: /* As the ESSID and NICKN are strings up to 32 bytes long, it doesn't fit
0275:  * within the 'iwreq' structure, so we need to use the 'data' member to
0276:  * point to a string in user space, like it is done for RANGE... */
0277: 
0278: /* Other parameters useful in 802.11 and some other devices */
0279: #define SIOCSIWRATE     0x8B20          /* set default bit rate (bps) */
0280: #define SIOCGIWRATE     0x8B21          /* get default bit rate (bps) */
0281: #define SIOCSIWRTS      0x8B22          /* set RTS/CTS threshold (bytes) */
0282: #define SIOCGIWRTS      0x8B23          /* get RTS/CTS threshold (bytes) */
0283: #define SIOCSIWFRAG     0x8B24          /* set fragmentation thr (bytes) */
0284: #define SIOCGIWFRAG     0x8B25          /* get fragmentation thr (bytes) */
0285: #define SIOCSIWTXPOW    0x8B26          /* set transmit power (dBm) */
0286: #define SIOCGIWTXPOW    0x8B27          /* get transmit power (dBm) */
0287: #define SIOCSIWRETRY    0x8B28          /* set retry limits and lifetime */
0288: #define SIOCGIWRETRY    0x8B29          /* get retry limits and lifetime */
0289: 
0290: /* Encoding stuff (scrambling, hardware security, WEP...) */
0291: #define SIOCSIWENCODE   0x8B2A          /* set encoding token & mode */
0292: #define SIOCGIWENCODE   0x8B2B          /* get encoding token & mode */
0293: /* Power saving stuff (power management, unicast and multicast) */
0294: #define SIOCSIWPOWER    0x8B2C          /* set Power Management settings */
0295: #define SIOCGIWPOWER    0x8B2D          /* get Power Management settings */
0296: 
0297: /* WPA : Generic IEEE 802.11 informatiom element (e.g., for WPA/RSN/WMM).
0298:  * This ioctl uses struct iw_point and data buffer that includes IE id and len
0299:  * fields. More than one IE may be included in the request. Setting the generic
0300:  * IE to empty buffer (len=0) removes the generic IE from the driver. Drivers
0301:  * are allowed to generate their own WPA/RSN IEs, but in these cases, drivers
0302:  * are required to report the used IE as a wireless event, e.g., when
0303:  * associating with an AP. */
0304: #define SIOCSIWGENIE    0x8B30          /* set generic IE */
0305: #define SIOCGIWGENIE    0x8B31          /* get generic IE */
0306: 
0307: /* WPA : IEEE 802.11 MLME requests */
0308: #define SIOCSIWMLME     0x8B16          /* request MLME operation; uses
0309:                                          * struct iw_mlme */
0310: /* WPA : Authentication mode parameters */
0311: #define SIOCSIWAUTH     0x8B32          /* set authentication mode params */
0312: #define SIOCGIWAUTH     0x8B33          /* get authentication mode params */
0313: 
0314: /* WPA : Extended version of encoding configuration */
0315: #define SIOCSIWENCODEEXT 0x8B34         /* set encoding token & mode */
0316: #define SIOCGIWENCODEEXT 0x8B35         /* get encoding token & mode */
0317: 
0318: /* WPA2 : PMKSA cache management */
0319: #define SIOCSIWPMKSA    0x8B36          /* PMKSA cache operation */
0320: 
0321: /* -------------------- DEV PRIVATE IOCTL LIST -------------------- */
0322: 
0323: /* These 32 ioctl are wireless device private, for 16 commands.
0324:  * Each driver is free to use them for whatever purpose it chooses,
0325:  * however the driver *must* export the description of those ioctls
0326:  * with SIOCGIWPRIV and *must* use arguments as defined below.
0327:  * If you don't follow those rules, DaveM is going to hate you (reason :
0328:  * it make mixed 32/64bit operation impossible).
0329:  */
0330: #define SIOCIWFIRSTPRIV 0x8BE0
0331: #define SIOCIWLASTPRIV  0x8BFF
0332: /* Previously, we were using SIOCDEVPRIVATE, but we now have our
0333:  * separate range because of collisions with other tools such as
0334:  * 'mii-tool'.
0335:  * We now have 32 commands, so a bit more space ;-).
0336:  * Also, all 'even' commands are only usable by root and don't return the
0337:  * content of ifr/iwr to user (but you are not obliged to use the set/get
0338:  * convention, just use every other two command). More details in iwpriv.c.
0339:  * And I repeat : you are not forced to use them with iwpriv, but you
0340:  * must be compliant with it.
0341:  */
0342: 
0343: /* ------------------------- IOCTL STUFF ------------------------- */
0344: 
0345: /* The first and the last (range) */
0346: #define SIOCIWFIRST     0x8B00
0347: #define SIOCIWLAST      SIOCIWLASTPRIV          /* 0x8BFF */
0348: #define IW_IOCTL_IDX(cmd)       ((cmd) - SIOCIWFIRST)
0349: #define IW_HANDLER(id, func)                    \
0350:         [IW_IOCTL_IDX(id)] = func
0351: 
0352: /* Odd : get (world access), even : set (root access) */
0353: #define IW_IS_SET(cmd)  (!((cmd) & 0x1))
0354: #define IW_IS_GET(cmd)  ((cmd) & 0x1)
0355: 
0356: /* ----------------------- WIRELESS EVENTS ----------------------- */
0357: /* Those are *NOT* ioctls, do not issue request on them !!! */
0358: /* Most events use the same identifier as ioctl requests */
0359: 
0360: #define IWEVTXDROP      0x8C00          /* Packet dropped to excessive retry */
0361: #define IWEVQUAL        0x8C01          /* Quality part of statistics (scan) */
0362: #define IWEVCUSTOM      0x8C02          /* Driver specific ascii string */
0363: #define IWEVREGISTERED  0x8C03          /* Discovered a new node (AP mode) */
0364: #define IWEVEXPIRED     0x8C04          /* Expired a node (AP mode) */
0365: #define IWEVGENIE       0x8C05          /* Generic IE (WPA, RSN, WMM, ..)
0366:                                          * (scan results); This includes id and
0367:                                          * length fields. One IWEVGENIE may
0368:                                          * contain more than one IE. Scan
0369:                                          * results may contain one or more
0370:                                          * IWEVGENIE events. */
0371: #define IWEVMICHAELMICFAILURE 0x8C06    /* Michael MIC failure
0372:                                          * (struct iw_michaelmicfailure)
0373:                                          */
0374: #define IWEVASSOCREQIE  0x8C07          /* IEs used in (Re)Association Request.
0375:                                          * The data includes id and length
0376:                                          * fields and may contain more than one
0377:                                          * IE. This event is required in
0378:                                          * Managed mode if the driver
0379:                                          * generates its own WPA/RSN IE. This
0380:                                          * should be sent just before
0381:                                          * IWEVREGISTERED event for the
0382:                                          * association. */
0383: #define IWEVASSOCRESPIE 0x8C08          /* IEs used in (Re)Association
0384:                                          * Response. The data includes id and
0385:                                          * length fields and may contain more
0386:                                          * than one IE. This may be sent
0387:                                          * between IWEVASSOCREQIE and
0388:                                          * IWEVREGISTERED events for the
0389:                                          * association. */
0390: #define IWEVPMKIDCAND   0x8C09          /* PMKID candidate for RSN
0391:                                          * pre-authentication
0392:                                          * (struct iw_pmkid_cand) */
0393: 
0394: #define IWEVFIRST       0x8C00
0395: #define IW_EVENT_IDX(cmd)       ((cmd) - IWEVFIRST)
0396: 
0397: /* ------------------------- PRIVATE INFO ------------------------- */
0398: /*
0399:  * The following is used with SIOCGIWPRIV. It allow a driver to define
0400:  * the interface (name, type of data) for its private ioctl.
0401:  * Privates ioctl are SIOCIWFIRSTPRIV -> SIOCIWLASTPRIV
0402:  */
0403: 
0404: #define IW_PRIV_TYPE_MASK       0x7000  /* Type of arguments */
0405: #define IW_PRIV_TYPE_NONE       0x0000
0406: #define IW_PRIV_TYPE_BYTE       0x1000  /* Char as number */
0407: #define IW_PRIV_TYPE_CHAR       0x2000  /* Char as character */
0408: #define IW_PRIV_TYPE_INT        0x4000  /* 32 bits int */
0409: #define IW_PRIV_TYPE_FLOAT      0x5000  /* struct iw_freq */
0410: #define IW_PRIV_TYPE_ADDR       0x6000  /* struct sockaddr */
0411: 
0412: #define IW_PRIV_SIZE_FIXED      0x0800  /* Variable or fixed number of args */
0413: 
0414: #define IW_PRIV_SIZE_MASK       0x07FF  /* Max number of those args */
0415: 
0416: /*
0417:  * Note : if the number of args is fixed and the size < 16 octets,
0418:  * instead of passing a pointer we will put args in the iwreq struct...
0419:  */
0420: 
0421: /* ----------------------- OTHER CONSTANTS ----------------------- */
0422: 
0423: /* Maximum frequencies in the range struct */
0424: #define IW_MAX_FREQUENCIES      32
0425: /* Note : if you have something like 80 frequencies,
0426:  * don't increase this constant and don't fill the frequency list.
0427:  * The user will be able to set by channel anyway... */
0428: 
0429: /* Maximum bit rates in the range struct */
0430: #define IW_MAX_BITRATES         32
0431: 
0432: /* Maximum tx powers in the range struct */
0433: #define IW_MAX_TXPOWER          8
0434: /* Note : if you more than 8 TXPowers, just set the max and min or
0435:  * a few of them in the struct iw_range. */
0436: 
0437: /* Maximum of address that you may set with SPY */
0438: #define IW_MAX_SPY              8
0439: 
0440: /* Maximum of address that you may get in the
0441:    list of access points in range */
0442: #define IW_MAX_AP               64
0443: 
0444: /* Maximum size of the ESSID and NICKN strings */
0445: #define IW_ESSID_MAX_SIZE       32
0446: 
0447: /* Modes of operation */
0448: #define IW_MODE_AUTO    0       /* Let the driver decides */
0449: #define IW_MODE_ADHOC   1       /* Single cell network */
0450: #define IW_MODE_INFRA   2       /* Multi cell network, roaming, ... */
0451: #define IW_MODE_MASTER  3       /* Synchronisation master or Access Point */
0452: #define IW_MODE_REPEAT  4       /* Wireless Repeater (forwarder) */
0453: #define IW_MODE_SECOND  5       /* Secondary master/repeater (backup) */
0454: #define IW_MODE_MONITOR 6       /* Passive monitor (listen only) */
0455: #define IW_MODE_MESH    7       /* Mesh (IEEE 802.11s) network */
0456: 
0457: /* Statistics flags (bitmask in updated) */
0458: #define IW_QUAL_QUAL_UPDATED    0x01    /* Value was updated since last read */
0459: #define IW_QUAL_LEVEL_UPDATED   0x02
0460: #define IW_QUAL_NOISE_UPDATED   0x04
0461: #define IW_QUAL_ALL_UPDATED     0x07
0462: #define IW_QUAL_DBM             0x08    /* Level + Noise are dBm */
0463: #define IW_QUAL_QUAL_INVALID    0x10    /* Driver doesn't provide value */
0464: #define IW_QUAL_LEVEL_INVALID   0x20
0465: #define IW_QUAL_NOISE_INVALID   0x40
0466: #define IW_QUAL_RCPI            0x80    /* Level + Noise are 802.11k RCPI */
0467: #define IW_QUAL_ALL_INVALID     0x70
0468: 
0469: /* Frequency flags */
0470: #define IW_FREQ_AUTO            0x00    /* Let the driver decides */
0471: #define IW_FREQ_FIXED           0x01    /* Force a specific value */
0472: 
0473: /* Maximum number of size of encoding token available
0474:  * they are listed in the range structure */
0475: #define IW_MAX_ENCODING_SIZES   8
0476: 
0477: /* Maximum size of the encoding token in bytes */
0478: #define IW_ENCODING_TOKEN_MAX   64      /* 512 bits (for now) */
0479: 
0480: /* Flags for encoding (along with the token) */
0481: #define IW_ENCODE_INDEX         0x00FF  /* Token index (if needed) */
0482: #define IW_ENCODE_FLAGS         0xFF00  /* Flags defined below */
0483: #define IW_ENCODE_MODE          0xF000  /* Modes defined below */
0484: #define IW_ENCODE_DISABLED      0x8000  /* Encoding disabled */
0485: #define IW_ENCODE_ENABLED       0x0000  /* Encoding enabled */
0486: #define IW_ENCODE_RESTRICTED    0x4000  /* Refuse non-encoded packets */
0487: #define IW_ENCODE_OPEN          0x2000  /* Accept non-encoded packets */
0488: #define IW_ENCODE_NOKEY         0x0800  /* Key is write only, so not present */
0489: #define IW_ENCODE_TEMP          0x0400  /* Temporary key */
0490: 
0491: /* Power management flags available (along with the value, if any) */
0492: #define IW_POWER_ON             0x0000  /* No details... */
0493: #define IW_POWER_TYPE           0xF000  /* Type of parameter */
0494: #define IW_POWER_PERIOD         0x1000  /* Value is a period/duration of  */
0495: #define IW_POWER_TIMEOUT        0x2000  /* Value is a timeout (to go asleep) */
0496: #define IW_POWER_MODE           0x0F00  /* Power Management mode */
0497: #define IW_POWER_UNICAST_R      0x0100  /* Receive only unicast messages */
0498: #define IW_POWER_MULTICAST_R    0x0200  /* Receive only multicast messages */
0499: #define IW_POWER_ALL_R          0x0300  /* Receive all messages though PM */
0500: #define IW_POWER_FORCE_S        0x0400  /* Force PM procedure for sending unicast */
0501: #define IW_POWER_REPEATER       0x0800  /* Repeat broadcast messages in PM period */
0502: #define IW_POWER_MODIFIER       0x000F  /* Modify a parameter */
0503: #define IW_POWER_MIN            0x0001  /* Value is a minimum  */
0504: #define IW_POWER_MAX            0x0002  /* Value is a maximum */
0505: #define IW_POWER_RELATIVE       0x0004  /* Value is not in seconds/ms/us */
0506: 
0507: /* Transmit Power flags available */
0508: #define IW_TXPOW_TYPE           0x00FF  /* Type of value */
0509: #define IW_TXPOW_DBM            0x0000  /* Value is in dBm */
0510: #define IW_TXPOW_MWATT          0x0001  /* Value is in mW */
0511: #define IW_TXPOW_RELATIVE       0x0002  /* Value is in arbitrary units */
0512: #define IW_TXPOW_RANGE          0x1000  /* Range of value between min/max */
0513: 
0514: /* Retry limits and lifetime flags available */
0515: #define IW_RETRY_ON             0x0000  /* No details... */
0516: #define IW_RETRY_TYPE           0xF000  /* Type of parameter */
0517: #define IW_RETRY_LIMIT          0x1000  /* Maximum number of retries*/
0518: #define IW_RETRY_LIFETIME       0x2000  /* Maximum duration of retries in us */
0519: #define IW_RETRY_MODIFIER       0x00FF  /* Modify a parameter */
0520: #define IW_RETRY_MIN            0x0001  /* Value is a minimum  */
0521: #define IW_RETRY_MAX            0x0002  /* Value is a maximum */
0522: #define IW_RETRY_RELATIVE       0x0004  /* Value is not in seconds/ms/us */
0523: #define IW_RETRY_SHORT          0x0010  /* Value is for short packets  */
0524: #define IW_RETRY_LONG           0x0020  /* Value is for long packets */
0525: 
0526: /* Scanning request flags */
0527: #define IW_SCAN_DEFAULT         0x0000  /* Default scan of the driver */
0528: #define IW_SCAN_ALL_ESSID       0x0001  /* Scan all ESSIDs */
0529: #define IW_SCAN_THIS_ESSID      0x0002  /* Scan only this ESSID */
0530: #define IW_SCAN_ALL_FREQ        0x0004  /* Scan all Frequencies */
0531: #define IW_SCAN_THIS_FREQ       0x0008  /* Scan only this Frequency */
0532: #define IW_SCAN_ALL_MODE        0x0010  /* Scan all Modes */
0533: #define IW_SCAN_THIS_MODE       0x0020  /* Scan only this Mode */
0534: #define IW_SCAN_ALL_RATE        0x0040  /* Scan all Bit-Rates */
0535: #define IW_SCAN_THIS_RATE       0x0080  /* Scan only this Bit-Rate */
0536: /* struct iw_scan_req scan_type */
0537: #define IW_SCAN_TYPE_ACTIVE 0
0538: #define IW_SCAN_TYPE_PASSIVE 1
0539: /* Maximum size of returned data */
0540: #define IW_SCAN_MAX_DATA        4096    /* In bytes */
0541: 
0542: /* Scan capability flags - in (struct iw_range *)->scan_capa */
0543: #define IW_SCAN_CAPA_NONE               0x00
0544: #define IW_SCAN_CAPA_ESSID              0x01
0545: #define IW_SCAN_CAPA_BSSID              0x02
0546: #define IW_SCAN_CAPA_CHANNEL    0x04
0547: #define IW_SCAN_CAPA_MODE               0x08
0548: #define IW_SCAN_CAPA_RATE               0x10
0549: #define IW_SCAN_CAPA_TYPE               0x20
0550: #define IW_SCAN_CAPA_TIME               0x40
0551: 
0552: /* Max number of char in custom event - use multiple of them if needed */
0553: #define IW_CUSTOM_MAX           256     /* In bytes */
0554: 
0555: /* Generic information element */
0556: #define IW_GENERIC_IE_MAX       1024
0557: 
0558: /* MLME requests (SIOCSIWMLME / struct iw_mlme) */
0559: #define IW_MLME_DEAUTH          0
0560: #define IW_MLME_DISASSOC        1
0561: #define IW_MLME_AUTH            2
0562: #define IW_MLME_ASSOC           3
0563: 
0564: /* SIOCSIWAUTH/SIOCGIWAUTH struct iw_param flags */
0565: #define IW_AUTH_INDEX           0x0FFF
0566: #define IW_AUTH_FLAGS           0xF000
0567: /* SIOCSIWAUTH/SIOCGIWAUTH parameters (0 .. 4095)
0568:  * (IW_AUTH_INDEX mask in struct iw_param flags; this is the index of the
0569:  * parameter that is being set/get to; value will be read/written to
0570:  * struct iw_param value field) */
0571: #define IW_AUTH_WPA_VERSION             0
0572: #define IW_AUTH_CIPHER_PAIRWISE         1
0573: #define IW_AUTH_CIPHER_GROUP            2
0574: #define IW_AUTH_KEY_MGMT                3
0575: #define IW_AUTH_TKIP_COUNTERMEASURES    4
0576: #define IW_AUTH_DROP_UNENCRYPTED        5
0577: #define IW_AUTH_80211_AUTH_ALG          6
0578: #define IW_AUTH_WPA_ENABLED             7
0579: #define IW_AUTH_RX_UNENCRYPTED_EAPOL    8
0580: #define IW_AUTH_ROAMING_CONTROL         9
0581: #define IW_AUTH_PRIVACY_INVOKED         10
0582: #define IW_AUTH_CIPHER_GROUP_MGMT       11
0583: #define IW_AUTH_MFP                     12
0584: 
0585: /* IW_AUTH_WPA_VERSION values (bit field) */
0586: #define IW_AUTH_WPA_VERSION_DISABLED    0x00000001
0587: #define IW_AUTH_WPA_VERSION_WPA         0x00000002
0588: #define IW_AUTH_WPA_VERSION_WPA2        0x00000004
0589: 
0590: /* IW_AUTH_PAIRWISE_CIPHER, IW_AUTH_GROUP_CIPHER, and IW_AUTH_CIPHER_GROUP_MGMT
0591:  * values (bit field) */
0592: #define IW_AUTH_CIPHER_NONE     0x00000001
0593: #define IW_AUTH_CIPHER_WEP40    0x00000002
0594: #define IW_AUTH_CIPHER_TKIP     0x00000004
0595: #define IW_AUTH_CIPHER_CCMP     0x00000008
0596: #define IW_AUTH_CIPHER_WEP104   0x00000010
0597: #define IW_AUTH_CIPHER_AES_CMAC 0x00000020
0598: 
0599: /* IW_AUTH_KEY_MGMT values (bit field) */
0600: #define IW_AUTH_KEY_MGMT_802_1X 1
0601: #define IW_AUTH_KEY_MGMT_PSK    2
0602: 
0603: /* IW_AUTH_80211_AUTH_ALG values (bit field) */
0604: #define IW_AUTH_ALG_OPEN_SYSTEM 0x00000001
0605: #define IW_AUTH_ALG_SHARED_KEY  0x00000002
0606: #define IW_AUTH_ALG_LEAP        0x00000004
0607: 
0608: /* IW_AUTH_ROAMING_CONTROL values */
0609: #define IW_AUTH_ROAMING_ENABLE  0       /* driver/firmware based roaming */
0610: #define IW_AUTH_ROAMING_DISABLE 1       /* user space program used for roaming
0611:                                          * control */
0612: 
0613: /* IW_AUTH_MFP (management frame protection) values */
0614: #define IW_AUTH_MFP_DISABLED    0       /* MFP disabled */
0615: #define IW_AUTH_MFP_OPTIONAL    1       /* MFP optional */
0616: #define IW_AUTH_MFP_REQUIRED    2       /* MFP required */
0617: 
0618: /* SIOCSIWENCODEEXT definitions */
0619: #define IW_ENCODE_SEQ_MAX_SIZE  8
0620: /* struct iw_encode_ext ->alg */
0621: #define IW_ENCODE_ALG_NONE      0
0622: #define IW_ENCODE_ALG_WEP       1
0623: #define IW_ENCODE_ALG_TKIP      2
0624: #define IW_ENCODE_ALG_CCMP      3
0625: #define IW_ENCODE_ALG_PMK       4
0626: #define IW_ENCODE_ALG_AES_CMAC  5
0627: /* struct iw_encode_ext ->ext_flags */
0628: #define IW_ENCODE_EXT_TX_SEQ_VALID      0x00000001
0629: #define IW_ENCODE_EXT_RX_SEQ_VALID      0x00000002
0630: #define IW_ENCODE_EXT_GROUP_KEY         0x00000004
0631: #define IW_ENCODE_EXT_SET_TX_KEY        0x00000008
0632: 
0633: /* IWEVMICHAELMICFAILURE : struct iw_michaelmicfailure ->flags */
0634: #define IW_MICFAILURE_KEY_ID    0x00000003 /* Key ID 0..3 */
0635: #define IW_MICFAILURE_GROUP     0x00000004
0636: #define IW_MICFAILURE_PAIRWISE  0x00000008
0637: #define IW_MICFAILURE_STAKEY    0x00000010
0638: #define IW_MICFAILURE_COUNT     0x00000060 /* 1 or 2 (0 = count not supported)
0639:                                             */
0640: 
0641: /* Bit field values for enc_capa in struct iw_range */
0642: #define IW_ENC_CAPA_WPA         0x00000001
0643: #define IW_ENC_CAPA_WPA2        0x00000002
0644: #define IW_ENC_CAPA_CIPHER_TKIP 0x00000004
0645: #define IW_ENC_CAPA_CIPHER_CCMP 0x00000008
0646: #define IW_ENC_CAPA_4WAY_HANDSHAKE      0x00000010
0647: 
0648: /* Event capability macros - in (struct iw_range *)->event_capa
0649:  * Because we have more than 32 possible events, we use an array of
0650:  * 32 bit bitmasks. Note : 32 bits = 0x20 = 2^5. */
0651: #define IW_EVENT_CAPA_BASE(cmd)         ((cmd >= SIOCIWFIRSTPRIV) ? \
0652:                                          (cmd - SIOCIWFIRSTPRIV + 0x60) : \
0653:                                          (cmd - SIOCIWFIRST))
0654: #define IW_EVENT_CAPA_INDEX(cmd)        (IW_EVENT_CAPA_BASE(cmd) >> 5)
0655: #define IW_EVENT_CAPA_MASK(cmd)         (1 << (IW_EVENT_CAPA_BASE(cmd) & 0x1F))
0656: /* Event capability constants - event autogenerated by the kernel
0657:  * This list is valid for most 802.11 devices, customise as needed... */
0658: #define IW_EVENT_CAPA_K_0       (IW_EVENT_CAPA_MASK(0x8B04) | \
0659:                                  IW_EVENT_CAPA_MASK(0x8B06) | \
0660:                                  IW_EVENT_CAPA_MASK(0x8B1A))
0661: #define IW_EVENT_CAPA_K_1       (IW_EVENT_CAPA_MASK(0x8B2A))
0662: /* "Easy" macro to set events in iw_range (less efficient) */
0663: #define IW_EVENT_CAPA_SET(event_capa, cmd) (event_capa[IW_EVENT_CAPA_INDEX(cmd)] |= IW_EVENT_CAPA_MASK(cmd))
0664: #define IW_EVENT_CAPA_SET_KERNEL(event_capa) {event_capa[0] |= IW_EVENT_CAPA_K_0; event_capa[1] |= IW_EVENT_CAPA_K_1; }
0665: 
0666: 
0667: /****************************** TYPES ******************************/
0668: 
0669: /* --------------------------- SUBTYPES --------------------------- */
0670: /*
0671:  *      Generic format for most parameters that fit in an int
0672:  */
0673: struct  iw_param
0674: {
0675:   __s32         value;          /* The value of the parameter itself */
0676:   __u8          fixed;          /* Hardware should not use auto select */
0677:   __u8          disabled;       /* Disable the feature */
0678:   __u16         flags;          /* Various specifc flags (if any) */
0679: };
0680: 
0681: /*
0682:  *      For all data larger than 16 octets, we need to use a
0683:  *      pointer to memory allocated in user space.
0684:  */
0685: struct  iw_point
0686: {
0687:   void *pointer;        /* Pointer to the data  (in user space) */
0688:   __u16         length;         /* number of fields or size in bytes */
0689:   __u16         flags;          /* Optional params */
0690: };
0691: 
0692: 
0693: /*
0694:  *      A frequency
0695:  *      For numbers lower than 10^9, we encode the number in 'm' and
0696:  *      set 'e' to 0
0697:  *      For number greater than 10^9, we divide it by the lowest power
0698:  *      of 10 to get 'm' lower than 10^9, with 'm'= f / (10^'e')...
0699:  *      The power of 10 is in 'e', the result of the division is in 'm'.
0700:  */
0701: struct  iw_freq
0702: {
0703:         __s32           m;              /* Mantissa */
0704:         __s16           e;              /* Exponent */
0705:         __u8            i;              /* List index (when in range struct) */
0706:         __u8            flags;          /* Flags (fixed/auto) */
0707: };
0708: 
0709: /*
0710:  *      Quality of the link
0711:  */
0712: struct  iw_quality
0713: {
0714:         __u8            qual;           /* link quality (%retries, SNR,
0715:                                            %missed beacons or better...) */
0716:         __u8            level;          /* signal level (dBm) */
0717:         __u8            noise;          /* noise level (dBm) */
0718:         __u8            updated;        /* Flags to know if updated */
0719: };
0720: 
0721: /*
0722:  *      Packet discarded in the wireless adapter due to
0723:  *      "wireless" specific problems...
0724:  *      Note : the list of counter and statistics in net_device_stats
0725:  *      is already pretty exhaustive, and you should use that first.
0726:  *      This is only additional stats...
0727:  */
0728: struct  iw_discarded
0729: {
0730:         __u32           nwid;           /* Rx : Wrong nwid/essid */
0731:         __u32           code;           /* Rx : Unable to code/decode (WEP) */
0732:         __u32           fragment;       /* Rx : Can't perform MAC reassembly */
0733:         __u32           retries;        /* Tx : Max MAC retries num reached */
0734:         __u32           misc;           /* Others cases */
0735: };
0736: 
0737: /*
0738:  *      Packet/Time period missed in the wireless adapter due to
0739:  *      "wireless" specific problems...
0740:  */
0741: struct  iw_missed
0742: {
0743:         __u32           beacon;         /* Missed beacons/superframe */
0744: };
0745: 
0746: /*
0747:  *      Quality range (for spy threshold)
0748:  */
0749: struct  iw_thrspy
0750: {
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: {
0770:         __u8            scan_type; /* IW_SCAN_TYPE_{ACTIVE,PASSIVE} */
0771:         __u8            essid_len;
0772:         __u8            num_channels; /* num entries in channel_list;
0773:                                        * 0 = scan all allowed channels */
0774:         __u8            flags; /* reserved as padding; use zero, this may
0775:                                 * be used in the future for adding flags
0776:                                 * to request different scan behavior */
0777:         struct sockaddr bssid; /* ff:ff:ff:ff:ff:ff for broadcast BSSID or
0778:                                 * individual address of a specific BSS */
0779: 
0780:         /*
0781:          * Use this ESSID if IW_SCAN_THIS_ESSID flag is used instead of using
0782:          * the current ESSID. This allows scan requests for specific ESSID
0783:          * without having to change the current ESSID and potentially breaking
0784:          * the current association.
0785:          */
0786:         __u8            essid[IW_ESSID_MAX_SIZE];
0787: 
0788:         /*
0789:          * Optional parameters for changing the default scanning behavior.
0790:          * These are based on the MLME-SCAN.request from IEEE Std 802.11.
0791:          * TU is 1.024 ms. If these are set to 0, driver is expected to use
0792:          * reasonable default values. min_channel_time defines the time that
0793:          * will be used to wait for the first reply on each channel. If no
0794:          * replies are received, next channel will be scanned after this. If
0795:          * replies are received, total time waited on the channel is defined by
0796:          * max_channel_time.
0797:          */
0798:         __u32           min_channel_time; /* in TU */
0799:         __u32           max_channel_time; /* in TU */
0800: 
0801:         struct iw_freq  channel_list[IW_MAX_FREQUENCIES];
0802: };
0803: 
0804: /* ------------------------- WPA SUPPORT ------------------------- */
0805: 
0806: /*
0807:  *      Extended data structure for get/set encoding (this is used with
0808:  *      SIOCSIWENCODEEXT/SIOCGIWENCODEEXT. struct iw_point and IW_ENCODE_*
0809:  *      flags are used in the same way as with SIOCSIWENCODE/SIOCGIWENCODE and
0810:  *      only the data contents changes (key data -> this structure, including
0811:  *      key data).
0812:  *
0813:  *      If the new key is the first group key, it will be set as the default
0814:  *      TX key. Otherwise, default TX key index is only changed if
0815:  *      IW_ENCODE_EXT_SET_TX_KEY flag is set.
0816:  *
0817:  *      Key will be changed with SIOCSIWENCODEEXT in all cases except for
0818:  *      special "change TX key index" operation which is indicated by setting
0819:  *      key_len = 0 and ext_flags |= IW_ENCODE_EXT_SET_TX_KEY.
0820:  *
0821:  *      tx_seq/rx_seq are only used when respective
0822:  *      IW_ENCODE_EXT_{TX,RX}_SEQ_VALID flag is set in ext_flags. Normal
0823:  *      TKIP/CCMP operation is to set RX seq with SIOCSIWENCODEEXT and start
0824:  *      TX seq from zero whenever key is changed. SIOCGIWENCODEEXT is normally
0825:  *      used only by an Authenticator (AP or an IBSS station) to get the
0826:  *      current TX sequence number. Using TX_SEQ_VALID for SIOCSIWENCODEEXT and
0827:  *      RX_SEQ_VALID for SIOCGIWENCODEEXT are optional, but can be useful for
0828:  *      debugging/testing.
0829:  */
0830: struct  iw_encode_ext
0831: {
0832:         __u32           ext_flags; /* IW_ENCODE_EXT_* */
0833:         __u8            tx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
0834:         __u8            rx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
0835:         struct sockaddr addr; /* ff:ff:ff:ff:ff:ff for broadcast/multicast
0836:                                * (group) keys or unicast address for
0837:                                * individual keys */
0838:         __u16           alg; /* IW_ENCODE_ALG_* */
0839:         __u16           key_len;
0840:         __u8            key[0];
0841: };
0842: 
0843: /* SIOCSIWMLME data */
0844: struct  iw_mlme
0845: {
0846:         __u16           cmd; /* IW_MLME_* */
0847:         __u16           reason_code;
0848:         struct sockaddr addr;
0849: };
0850: 
0851: /* SIOCSIWPMKSA data */
0852: #define IW_PMKSA_ADD            1
0853: #define IW_PMKSA_REMOVE         2
0854: #define IW_PMKSA_FLUSH          3
0855: 
0856: #define IW_PMKID_LEN    16
0857: 
0858: struct  iw_pmksa
0859: {
0860:         __u32           cmd; /* IW_PMKSA_* */
0861:         struct sockaddr bssid;
0862:         __u8            pmkid[IW_PMKID_LEN];
0863: };
0864: 
0865: /* IWEVMICHAELMICFAILURE data */
0866: struct  iw_michaelmicfailure
0867: {
0868:         __u32           flags;
0869:         struct sockaddr src_addr;
0870:         __u8            tsc[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
0871: };
0872: 
0873: /* IWEVPMKIDCAND data */
0874: #define IW_PMKID_CAND_PREAUTH   0x00000001 /* RNS pre-authentication enabled */
0875: struct  iw_pmkid_cand
0876: {
0877:         __u32           flags; /* IW_PMKID_CAND_* */
0878:         __u32           index; /* the smaller the index, the higher the
0879:                                 * priority */
0880:         struct sockaddr bssid;
0881: };
0882: 
0883: /* ------------------------ WIRELESS STATS ------------------------ */
0884: /*
0885:  * Wireless statistics (used for /proc/net/wireless)
0886:  */
0887: struct  iw_statistics
0888: {
0889:         __u16           status;         /* Status
0890:                                          * - device dependent for now */
0891: 
0892:         struct iw_quality       qual;           /* Quality of the link
0893:                                                  * (instant/mean/max) */
0894:         struct iw_discarded     discard;        /* Packet discarded counts */
0895:         struct iw_missed        miss;           /* Packet missed counts */
0896: };
0897: 
0898: /* ------------------------ IOCTL REQUEST ------------------------ */
0899: /*
0900:  * This structure defines the payload of an ioctl, and is used 
0901:  * below.
0902:  *
0903:  * Note that this structure should fit on the memory footprint
0904:  * of iwreq (which is the same as ifreq), which mean a max size of
0905:  * 16 octets = 128 bits. Warning, pointers might be 64 bits wide...
0906:  * You should check this when increasing the structures defined
0907:  * above in this file...
0908:  */
0909: union   iwreq_data
0910: {
0911:         /* Config - generic */
0912:         char            name[IFNAMSIZ];
0913:         /* Name : used to verify the presence of  wireless extensions.
0914:          * Name of the protocol/provider... */
0915: 
0916:         struct iw_point essid;          /* Extended network name */
0917:         struct iw_param nwid;           /* network id (or domain - the cell) */
0918:         struct iw_freq  freq;           /* frequency or channel :
0919:                                          * 0-1000 = channel
0920:                                          * > 1000 = frequency in Hz */
0921: 
0922:         struct iw_param sens;           /* signal level threshold */
0923:         struct iw_param bitrate;        /* default bit rate */
0924:         struct iw_param txpower;        /* default transmit power */
0925:         struct iw_param rts;            /* RTS threshold threshold */
0926:         struct iw_param frag;           /* Fragmentation threshold */
0927:         __u32           mode;           /* Operation mode */
0928:         struct iw_param retry;          /* Retry limits & lifetime */
0929: 
0930:         struct iw_point encoding;       /* Encoding stuff : tokens */
0931:         struct iw_param power;          /* PM duration/timeout */
0932:         struct iw_quality qual;         /* Quality part of statistics */
0933: 
0934:         struct sockaddr ap_addr;        /* Access point address */
0935:         struct sockaddr addr;           /* Destination address (hw/mac) */
0936: 
0937:         struct iw_param param;          /* Other small parameters */
0938:         struct iw_point data;           /* Other large parameters */
0939: };
0940: 
0941: /*
0942:  * The structure to exchange data for ioctl.
0943:  * This structure is the same as 'struct ifreq', but (re)defined for
0944:  * convenience...
0945:  * Do I need to remind you about structure size (32 octets) ?
0946:  */
0947: struct  iwreq 
0948: {
0949:         union
0950:         {
0951:                 char    ifrn_name[IFNAMSIZ];    /* if name, e.g. "eth0" */
0952:         } ifr_ifrn;
0953: 
0954:         /* Data part (defined just above) */
0955:         union   iwreq_data      u;
0956: };
0957: 
0958: /* -------------------------- IOCTL DATA -------------------------- */
0959: /*
0960:  *      For those ioctl which want to exchange mode data that what could
0961:  *      fit in the above structure...
0962:  */
0963: 
0964: /*
0965:  *      Range of parameters
0966:  */
0967: 
0968: struct  iw_range
0969: {
0970:         /* Informative stuff (to choose between different interface) */
0971:         __u32           throughput;     /* To give an idea... */
0972:         /* In theory this value should be the maximum benchmarked
0973:          * TCP/IP throughput, because with most of these devices the
0974:          * bit rate is meaningless (overhead an co) to estimate how
0975:          * fast the connection will go and pick the fastest one.
0976:          * I suggest people to play with Netperf or any benchmark...
0977:          */
0978: 
0979:         /* NWID (or domain id) */
0980:         __u32           min_nwid;       /* Minimal NWID we are able to set */
0981:         __u32           max_nwid;       /* Maximal NWID we are able to set */
0982: 
0983:         /* Old Frequency (backward compat - moved lower ) */
0984:         __u16           old_num_channels;
0985:         __u8            old_num_frequency;
0986: 
0987:         /* Scan capabilities */
0988:         __u8            scan_capa;      /* IW_SCAN_CAPA_* bit field */
0989: 
0990:         /* Wireless event capability bitmasks */
0991:         __u32           event_capa[6];
0992: 
0993:         /* signal level threshold range */
0994:         __s32           sensitivity;
0995: 
0996:         /* Quality of link & SNR stuff */
0997:         /* Quality range (link, level, noise)
0998:          * If the quality is absolute, it will be in the range [0 ; max_qual],
0999:          * if the quality is dBm, it will be in the range [max_qual ; 0].
1000:          * Don't forget that we use 8 bit arithmetics... */
1001:         struct iw_quality       max_qual;       /* Quality of the link */
1002:         /* This should contain the average/typical values of the quality
1003:          * indicator. This should be the threshold between a "good" and
1004:          * a "bad" link (example : monitor going from green to orange).
1005:          * Currently, user space apps like quality monitors don't have any
1006:          * way to calibrate the measurement. With this, they can split
1007:          * the range between 0 and max_qual in different quality level
1008:          * (using a geometric subdivision centered on the average).
1009:          * I expect that people doing the user space apps will feedback
1010:          * us on which value we need to put in each driver... */
1011:         struct iw_quality       avg_qual;       /* Quality of the link */
1012: 
1013:         /* Rates */
1014:         __u8            num_bitrates;   /* Number of entries in the list */
1015:         __s32           bitrate[IW_MAX_BITRATES];       /* list, in bps */
1016: 
1017:         /* RTS threshold */
1018:         __s32           min_rts;        /* Minimal RTS threshold */
1019:         __s32           max_rts;        /* Maximal RTS threshold */
1020: 
1021:         /* Frag threshold */
1022:         __s32           min_frag;       /* Minimal frag threshold */
1023:         __s32           max_frag;       /* Maximal frag threshold */
1024: 
1025:         /* Power Management duration & timeout */
1026:         __s32           min_pmp;        /* Minimal PM period */
1027:         __s32           max_pmp;        /* Maximal PM period */
1028:         __s32           min_pmt;        /* Minimal PM timeout */
1029:         __s32           max_pmt;        /* Maximal PM timeout */
1030:         __u16           pmp_flags;      /* How to decode max/min PM period */
1031:         __u16           pmt_flags;      /* How to decode max/min PM timeout */
1032:         __u16           pm_capa;        /* What PM options are supported */
1033: 
1034:         /* Encoder stuff */
1035:         __u16   encoding_size[IW_MAX_ENCODING_SIZES];   /* Different token sizes */
1036:         __u8    num_encoding_sizes;     /* Number of entry in the list */
1037:         __u8    max_encoding_tokens;    /* Max number of tokens */
1038:         /* For drivers that need a "login/passwd" form */
1039:         __u8    encoding_login_index;   /* token index for login token */
1040: 
1041:         /* Transmit power */
1042:         __u16           txpower_capa;   /* What options are supported */
1043:         __u8            num_txpower;    /* Number of entries in the list */
1044:         __s32           txpower[IW_MAX_TXPOWER];        /* list, in bps */
1045: 
1046:         /* Wireless Extension version info */
1047:         __u8            we_version_compiled;    /* Must be WIRELESS_EXT */
1048:         __u8            we_version_source;      /* Last update of source */
1049: 
1050:         /* Retry limits and lifetime */
1051:         __u16           retry_capa;     /* What retry options are supported */
1052:         __u16           retry_flags;    /* How to decode max/min retry limit */
1053:         __u16           r_time_flags;   /* How to decode max/min retry life */
1054:         __s32           min_retry;      /* Minimal number of retries */
1055:         __s32           max_retry;      /* Maximal number of retries */
1056:         __s32           min_r_time;     /* Minimal retry lifetime */
1057:         __s32           max_r_time;     /* Maximal retry lifetime */
1058: 
1059:         /* Frequency */
1060:         __u16           num_channels;   /* Number of channels [0; num - 1] */
1061:         __u8            num_frequency;  /* Number of entry in the list */
1062:         struct iw_freq  freq[IW_MAX_FREQUENCIES];       /* list */
1063:         /* Note : this frequency list doesn't need to fit channel numbers,
1064:          * because each entry contain its channel index */
1065: 
1066:         __u32           enc_capa;       /* IW_ENC_CAPA_* bit field */
1067: };
1068: 
1069: /*
1070:  * Private ioctl interface information
1071:  */
1072:  
1073: struct  iw_priv_args
1074: {
1075:         __u32           cmd;            /* Number of the ioctl to issue */
1076:         __u16           set_args;       /* Type and number of args */
1077:         __u16           get_args;       /* Type and number of args */
1078:         char            name[IFNAMSIZ]; /* Name of the extension */
1079: };
1080: 
1081: /* ----------------------- WIRELESS EVENTS ----------------------- */
1082: /*
1083:  * Wireless events are carried through the rtnetlink socket to user
1084:  * space. They are encapsulated in the IFLA_WIRELESS field of
1085:  * a RTM_NEWLINK message.
1086:  */
1087: 
1088: /*
1089:  * A Wireless Event. Contains basically the same data as the ioctl...
1090:  */
1091: struct iw_event
1092: {
1093:         __u16           len;                    /* Real length of this stuff */
1094:         __u16           cmd;                    /* Wireless IOCTL */
1095:         union iwreq_data        u;              /* IOCTL fixed payload */
1096: };
1097: 
1098: /* Size of the Event prefix (including padding and alignement junk) */
1099: #define IW_EV_LCP_LEN   (sizeof(struct iw_event) - sizeof(union iwreq_data))
1100: /* Size of the various events */
1101: #define IW_EV_CHAR_LEN  (IW_EV_LCP_LEN + IFNAMSIZ)
1102: #define IW_EV_UINT_LEN  (IW_EV_LCP_LEN + sizeof(__u32))
1103: #define IW_EV_FREQ_LEN  (IW_EV_LCP_LEN + sizeof(struct iw_freq))
1104: #define IW_EV_PARAM_LEN (IW_EV_LCP_LEN + sizeof(struct iw_param))
1105: #define IW_EV_ADDR_LEN  (IW_EV_LCP_LEN + sizeof(struct sockaddr))
1106: #define IW_EV_QUAL_LEN  (IW_EV_LCP_LEN + sizeof(struct iw_quality))
1107: 
1108: /* iw_point events are special. First, the payload (extra data) come at
1109:  * the end of the event, so they are bigger than IW_EV_POINT_LEN. Second,
1110:  * we omit the pointer, so start at an offset. */
1111: #define IW_EV_POINT_OFF (((char *) &(((struct iw_point *) NULL)->length)) - \
1112:                           (char *) NULL)
1113: #define IW_EV_POINT_LEN (IW_EV_LCP_LEN + sizeof(struct iw_point) - \
1114:                          IW_EV_POINT_OFF)
1115: 
1116: 
1117: /* Size of the Event prefix when packed in stream */
1118: #define IW_EV_LCP_PK_LEN        (4)
1119: /* Size of the various events when packed in stream */
1120: #define IW_EV_CHAR_PK_LEN       (IW_EV_LCP_PK_LEN + IFNAMSIZ)
1121: #define IW_EV_UINT_PK_LEN       (IW_EV_LCP_PK_LEN + sizeof(__u32))
1122: #define IW_EV_FREQ_PK_LEN       (IW_EV_LCP_PK_LEN + sizeof(struct iw_freq))
1123: #define IW_EV_PARAM_PK_LEN      (IW_EV_LCP_PK_LEN + sizeof(struct iw_param))
1124: #define IW_EV_ADDR_PK_LEN       (IW_EV_LCP_PK_LEN + sizeof(struct sockaddr))
1125: #define IW_EV_QUAL_PK_LEN       (IW_EV_LCP_PK_LEN + sizeof(struct iw_quality))
1126: #define IW_EV_POINT_PK_LEN      (IW_EV_LCP_PK_LEN + 4)
1127: 
1128: #endif  /* _LINUX_WIRELESS_H */
1129: 


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© Andrew Scott 2006 - 2025,
All Rights Reserved
http://www.andrew-scott.uk/
Andrew Scott
http://www.andrew-scott.co.uk/