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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: