733 lines
27 KiB
C
733 lines
27 KiB
C
/*
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* This file define a set of standard wireless extensions
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*
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* Version : 16 2.4.03
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*
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* Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com>
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* Copyright (c) 1997-2002 Jean Tourrilhes, All Rights Reserved.
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*/
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#ifndef _LINUX_WIRELESS_H
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#define _LINUX_WIRELESS_H
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/************************** DOCUMENTATION **************************/
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/*
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* Initial APIs (1996 -> onward) :
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* -----------------------------
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* Basically, the wireless extensions are for now a set of standard ioctl
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* call + /proc/net/wireless
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*
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* The entry /proc/net/wireless give statistics and information on the
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* driver.
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* This is better than having each driver having its entry because
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* its centralised and we may remove the driver module safely.
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*
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* Ioctl are used to configure the driver and issue commands. This is
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* better than command line options of insmod because we may want to
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* change dynamically (while the driver is running) some parameters.
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*
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* The ioctl mechanimsm are copied from standard devices ioctl.
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* We have the list of command plus a structure descibing the
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* data exchanged...
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* Note that to add these ioctl, I was obliged to modify :
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* # net/core/dev.c (two place + add include)
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* # net/ipv4/af_inet.c (one place + add include)
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*
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* /proc/net/wireless is a copy of /proc/net/dev.
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* We have a structure for data passed from the driver to /proc/net/wireless
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* Too add this, I've modified :
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* # net/core/dev.c (two other places)
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* # include/linux/netdevice.h (one place)
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* # include/linux/proc_fs.h (one place)
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*
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* New driver API (2002 -> onward) :
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* -------------------------------
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* This file is only concerned with the user space API and common definitions.
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* The new driver API is defined and documented in :
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* # include/net/iw_handler.h
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*
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* Note as well that /proc/net/wireless implementation has now moved in :
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* # include/linux/wireless.c
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*
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* Wireless Events (2002 -> onward) :
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* --------------------------------
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* Events are defined at the end of this file, and implemented in :
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* # include/linux/wireless.c
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*
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* Other comments :
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* --------------
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* Do not add here things that are redundant with other mechanisms
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* (drivers init, ifconfig, /proc/net/dev, ...) and with are not
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* wireless specific.
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*
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* These wireless extensions are not magic : each driver has to provide
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* support for them...
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*
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* IMPORTANT NOTE : As everything in the kernel, this is very much a
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* work in progress. Contact me if you have ideas of improvements...
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*/
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/***************************** INCLUDES *****************************/
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/* To minimise problems in user space, I might remove those headers
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* at some point. Jean II */
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#include <linux/types.h> /* for "caddr_t" et al */
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#include <linux/socket.h> /* for "struct sockaddr" et al */
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#include <linux/if.h> /* for IFNAMSIZ and co... */
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/***************************** VERSION *****************************/
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/*
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* This constant is used to know the availability of the wireless
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* extensions and to know which version of wireless extensions it is
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* (there is some stuff that will be added in the future...)
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* I just plan to increment with each new version.
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*/
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#define WIRELESS_EXT 16
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/*
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* Changes :
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*
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* V2 to V3
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* --------
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* Alan Cox start some incompatibles changes. I've integrated a bit more.
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* - Encryption renamed to Encode to avoid US regulation problems
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* - Frequency changed from float to struct to avoid problems on old 386
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*
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* V3 to V4
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* --------
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* - Add sensitivity
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*
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* V4 to V5
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* --------
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* - Missing encoding definitions in range
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* - Access points stuff
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*
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* V5 to V6
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* --------
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* - 802.11 support (ESSID ioctls)
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*
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* V6 to V7
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* --------
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* - define IW_ESSID_MAX_SIZE and IW_MAX_AP
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*
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* V7 to V8
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* --------
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* - Changed my e-mail address
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* - More 802.11 support (nickname, rate, rts, frag)
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* - List index in frequencies
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*
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* V8 to V9
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* --------
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* - Support for 'mode of operation' (ad-hoc, managed...)
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* - Support for unicast and multicast power saving
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* - Change encoding to support larger tokens (>64 bits)
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* - Updated iw_params (disable, flags) and use it for NWID
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* - Extracted iw_point from iwreq for clarity
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*
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* V9 to V10
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* ---------
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* - Add PM capability to range structure
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* - Add PM modifier : MAX/MIN/RELATIVE
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* - Add encoding option : IW_ENCODE_NOKEY
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* - Add TxPower ioctls (work like TxRate)
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*
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* V10 to V11
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* ----------
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* - Add WE version in range (help backward/forward compatibility)
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* - Add retry ioctls (work like PM)
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*
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* V11 to V12
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* ----------
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* - Add SIOCSIWSTATS to get /proc/net/wireless programatically
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* - Add DEV PRIVATE IOCTL to avoid collisions in SIOCDEVPRIVATE space
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* - Add new statistics (frag, retry, beacon)
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* - Add average quality (for user space calibration)
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*
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* V12 to V13
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* ----------
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* - Document creation of new driver API.
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* - Extract union iwreq_data from struct iwreq (for new driver API).
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* - Rename SIOCSIWNAME as SIOCSIWCOMMIT
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*
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* V13 to V14
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* ----------
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* - Wireless Events support : define struct iw_event
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* - Define additional specific event numbers
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* - Add "addr" and "param" fields in union iwreq_data
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* - AP scanning stuff (SIOCSIWSCAN and friends)
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*
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* V14 to V15
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* ----------
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* - Add IW_PRIV_TYPE_ADDR for struct sockaddr private arg
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* - Make struct iw_freq signed (both m & e), add explicit padding
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* - Add IWEVCUSTOM for driver specific event/scanning token
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* - Add IW_MAX_GET_SPY for driver returning a lot of addresses
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* - Add IW_TXPOW_RANGE for range of Tx Powers
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* - Add IWEVREGISTERED & IWEVEXPIRED events for Access Points
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* - Add IW_MODE_MONITOR for passive monitor
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*
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* V15 to V16
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* ----------
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* - Increase the number of bitrates in iw_range to 32 (for 802.11g)
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* - Increase the number of frequencies in iw_range to 32 (for 802.11b+a)
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* - Reshuffle struct iw_range for increases, add filler
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* - Increase IW_MAX_AP to 64 for driver returning a lot of addresses
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* - Remove IW_MAX_GET_SPY because conflict with enhanced spy support
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* - Add SIOCSIWTHRSPY/SIOCGIWTHRSPY and "struct iw_thrspy"
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* - Add IW_ENCODE_TEMP and iw_range->encoding_login_index
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*/
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/**************************** CONSTANTS ****************************/
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/* -------------------------- IOCTL LIST -------------------------- */
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/* Wireless Identification */
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#define SIOCSIWCOMMIT 0x8B00 /* Commit pending changes to driver */
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#define SIOCGIWNAME 0x8B01 /* get name == wireless protocol */
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/* SIOCGIWNAME is used to verify the presence of Wireless Extensions.
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* Common values : "IEEE 802.11-DS", "IEEE 802.11-FH", "IEEE 802.11b"...
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* Don't put the name of your driver there, it's useless. */
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/* Basic operations */
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#define SIOCSIWNWID 0x8B02 /* set network id (pre-802.11) */
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#define SIOCGIWNWID 0x8B03 /* get network id (the cell) */
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#define SIOCSIWFREQ 0x8B04 /* set channel/frequency (Hz) */
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#define SIOCGIWFREQ 0x8B05 /* get channel/frequency (Hz) */
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#define SIOCSIWMODE 0x8B06 /* set operation mode */
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#define SIOCGIWMODE 0x8B07 /* get operation mode */
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#define SIOCSIWSENS 0x8B08 /* set sensitivity (dBm) */
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#define SIOCGIWSENS 0x8B09 /* get sensitivity (dBm) */
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/* Informative stuff */
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#define SIOCSIWRANGE 0x8B0A /* Unused */
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#define SIOCGIWRANGE 0x8B0B /* Get range of parameters */
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#define SIOCSIWPRIV 0x8B0C /* Unused */
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#define SIOCGIWPRIV 0x8B0D /* get private ioctl interface info */
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#define SIOCSIWSTATS 0x8B0E /* Unused */
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#define SIOCGIWSTATS 0x8B0F /* Get /proc/net/wireless stats */
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/* SIOCGIWSTATS is strictly used between user space and the kernel, and
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* is never passed to the driver (i.e. the driver will never see it). */
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/* Spy support (statistics per MAC address - used for Mobile IP support) */
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#define SIOCSIWSPY 0x8B10 /* set spy addresses */
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#define SIOCGIWSPY 0x8B11 /* get spy info (quality of link) */
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#define SIOCSIWTHRSPY 0x8B12 /* set spy threshold (spy event) */
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#define SIOCGIWTHRSPY 0x8B13 /* get spy threshold */
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/* Access Point manipulation */
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#define SIOCSIWAP 0x8B14 /* set access point MAC addresses */
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#define SIOCGIWAP 0x8B15 /* get access point MAC addresses */
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#define SIOCGIWAPLIST 0x8B17 /* Deprecated in favor of scanning */
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#define SIOCSIWSCAN 0x8B18 /* trigger scanning (list cells) */
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#define SIOCGIWSCAN 0x8B19 /* get scanning results */
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/* 802.11 specific support */
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#define SIOCSIWESSID 0x8B1A /* set ESSID (network name) */
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#define SIOCGIWESSID 0x8B1B /* get ESSID */
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#define SIOCSIWNICKN 0x8B1C /* set node name/nickname */
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#define SIOCGIWNICKN 0x8B1D /* get node name/nickname */
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/* As the ESSID and NICKN are strings up to 32 bytes long, it doesn't fit
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* within the 'iwreq' structure, so we need to use the 'data' member to
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* point to a string in user space, like it is done for RANGE... */
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/* Other parameters useful in 802.11 and some other devices */
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#define SIOCSIWRATE 0x8B20 /* set default bit rate (bps) */
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#define SIOCGIWRATE 0x8B21 /* get default bit rate (bps) */
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#define SIOCSIWRTS 0x8B22 /* set RTS/CTS threshold (bytes) */
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#define SIOCGIWRTS 0x8B23 /* get RTS/CTS threshold (bytes) */
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#define SIOCSIWFRAG 0x8B24 /* set fragmentation thr (bytes) */
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#define SIOCGIWFRAG 0x8B25 /* get fragmentation thr (bytes) */
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#define SIOCSIWTXPOW 0x8B26 /* set transmit power (dBm) */
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#define SIOCGIWTXPOW 0x8B27 /* get transmit power (dBm) */
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#define SIOCSIWRETRY 0x8B28 /* set retry limits and lifetime */
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#define SIOCGIWRETRY 0x8B29 /* get retry limits and lifetime */
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/* Encoding stuff (scrambling, hardware security, WEP...) */
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#define SIOCSIWENCODE 0x8B2A /* set encoding token & mode */
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#define SIOCGIWENCODE 0x8B2B /* get encoding token & mode */
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/* Power saving stuff (power management, unicast and multicast) */
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#define SIOCSIWPOWER 0x8B2C /* set Power Management settings */
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#define SIOCGIWPOWER 0x8B2D /* get Power Management settings */
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/* -------------------- DEV PRIVATE IOCTL LIST -------------------- */
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/* These 16 ioctl are wireless device private.
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* Each driver is free to use them for whatever purpose it chooses,
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* however the driver *must* export the description of those ioctls
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* with SIOCGIWPRIV and *must* use arguments as defined below.
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* If you don't follow those rules, DaveM is going to hate you (reason :
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* it make mixed 32/64bit operation impossible).
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*/
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#define SIOCIWFIRSTPRIV 0x8BE0
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#define SIOCIWLASTPRIV 0x8BFF
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/* Previously, we were using SIOCDEVPRIVATE, but we now have our
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* separate range because of collisions with other tools such as
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* 'mii-tool'.
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* We now have 32 commands, so a bit more space ;-).
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* Also, all 'odd' commands are only usable by root and don't return the
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* content of ifr/iwr to user (but you are not obliged to use the set/get
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* convention, just use every other two command).
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* And I repeat : you are not obliged to use them with iwspy, but you
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* must be compliant with it.
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*/
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/* ------------------------- IOCTL STUFF ------------------------- */
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/* The first and the last (range) */
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#define SIOCIWFIRST 0x8B00
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#define SIOCIWLAST SIOCIWLASTPRIV /* 0x8BFF */
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/* Even : get (world access), odd : set (root access) */
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#define IW_IS_SET(cmd) (!((cmd) & 0x1))
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#define IW_IS_GET(cmd) ((cmd) & 0x1)
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/* ----------------------- WIRELESS EVENTS ----------------------- */
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/* Those are *NOT* ioctls, do not issue request on them !!! */
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/* Most events use the same identifier as ioctl requests */
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#define IWEVTXDROP 0x8C00 /* Packet dropped to excessive retry */
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#define IWEVQUAL 0x8C01 /* Quality part of statistics (scan) */
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#define IWEVCUSTOM 0x8C02 /* Driver specific ascii string */
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#define IWEVREGISTERED 0x8C03 /* Discovered a new node (AP mode) */
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#define IWEVEXPIRED 0x8C04 /* Expired a node (AP mode) */
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#define IWEVFIRST 0x8C00
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/* ------------------------- PRIVATE INFO ------------------------- */
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/*
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* The following is used with SIOCGIWPRIV. It allow a driver to define
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* the interface (name, type of data) for its private ioctl.
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* Privates ioctl are SIOCIWFIRSTPRIV -> SIOCIWLASTPRIV
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*/
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#define IW_PRIV_TYPE_MASK 0x7000 /* Type of arguments */
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#define IW_PRIV_TYPE_NONE 0x0000
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#define IW_PRIV_TYPE_BYTE 0x1000 /* Char as number */
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#define IW_PRIV_TYPE_CHAR 0x2000 /* Char as character */
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#define IW_PRIV_TYPE_INT 0x4000 /* 32 bits int */
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#define IW_PRIV_TYPE_FLOAT 0x5000 /* struct iw_freq */
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#define IW_PRIV_TYPE_ADDR 0x6000 /* struct sockaddr */
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#define IW_PRIV_SIZE_FIXED 0x0800 /* Variable or fixed number of args */
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#define IW_PRIV_SIZE_MASK 0x07FF /* Max number of those args */
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/*
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* Note : if the number of args is fixed and the size < 16 octets,
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* instead of passing a pointer we will put args in the iwreq struct...
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*/
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/* ----------------------- OTHER CONSTANTS ----------------------- */
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/* Maximum frequencies in the range struct */
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#define IW_MAX_FREQUENCIES 32
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/* Note : if you have something like 80 frequencies,
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* don't increase this constant and don't fill the frequency list.
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* The user will be able to set by channel anyway... */
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/* Maximum bit rates in the range struct */
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#define IW_MAX_BITRATES 32
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/* Maximum tx powers in the range struct */
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#define IW_MAX_TXPOWER 8
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/* Note : if you more than 8 TXPowers, just set the max and min or
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* a few of them in the struct iw_range. */
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/* Maximum of address that you may set with SPY */
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#define IW_MAX_SPY 8
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/* Maximum of address that you may get in the
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list of access points in range */
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#define IW_MAX_AP 64
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/* Maximum size of the ESSID and NICKN strings */
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#define IW_ESSID_MAX_SIZE 32
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/* Modes of operation */
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#define IW_MODE_AUTO 0 /* Let the driver decides */
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#define IW_MODE_ADHOC 1 /* Single cell network */
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#define IW_MODE_INFRA 2 /* Multi cell network, roaming, ... */
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#define IW_MODE_MASTER 3 /* Synchronisation master or Access Point */
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#define IW_MODE_REPEAT 4 /* Wireless Repeater (forwarder) */
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#define IW_MODE_SECOND 5 /* Secondary master/repeater (backup) */
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#define IW_MODE_MONITOR 6 /* Passive monitor (listen only) */
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/* Maximum number of size of encoding token available
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* they are listed in the range structure */
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#define IW_MAX_ENCODING_SIZES 8
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/* Maximum size of the encoding token in bytes */
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#define IW_ENCODING_TOKEN_MAX 32 /* 256 bits (for now) */
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/* Flags for encoding (along with the token) */
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#define IW_ENCODE_INDEX 0x00FF /* Token index (if needed) */
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#define IW_ENCODE_FLAGS 0xFF00 /* Flags defined below */
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#define IW_ENCODE_MODE 0xF000 /* Modes defined below */
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#define IW_ENCODE_DISABLED 0x8000 /* Encoding disabled */
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#define IW_ENCODE_ENABLED 0x0000 /* Encoding enabled */
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#define IW_ENCODE_RESTRICTED 0x4000 /* Refuse non-encoded packets */
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#define IW_ENCODE_OPEN 0x2000 /* Accept non-encoded packets */
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#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
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#define IW_ENCODE_TEMP 0x0400 /* Temporary key */
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/* Power management flags available (along with the value, if any) */
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#define IW_POWER_ON 0x0000 /* No details... */
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#define IW_POWER_TYPE 0xF000 /* Type of parameter */
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#define IW_POWER_PERIOD 0x1000 /* Value is a period/duration of */
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#define IW_POWER_TIMEOUT 0x2000 /* Value is a timeout (to go asleep) */
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#define IW_POWER_MODE 0x0F00 /* Power Management mode */
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#define IW_POWER_UNICAST_R 0x0100 /* Receive only unicast messages */
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#define IW_POWER_MULTICAST_R 0x0200 /* Receive only multicast messages */
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#define IW_POWER_ALL_R 0x0300 /* Receive all messages though PM */
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#define IW_POWER_FORCE_S 0x0400 /* Force PM procedure for sending unicast */
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#define IW_POWER_REPEATER 0x0800 /* Repeat broadcast messages in PM period */
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#define IW_POWER_MODIFIER 0x000F /* Modify a parameter */
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#define IW_POWER_MIN 0x0001 /* Value is a minimum */
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#define IW_POWER_MAX 0x0002 /* Value is a maximum */
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#define IW_POWER_RELATIVE 0x0004 /* Value is not in seconds/ms/us */
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/* Transmit Power flags available */
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#define IW_TXPOW_TYPE 0x00FF /* Type of value */
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#define IW_TXPOW_DBM 0x0000 /* Value is in dBm */
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#define IW_TXPOW_MWATT 0x0001 /* Value is in mW */
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#define IW_TXPOW_RANGE 0x1000 /* Range of value between min/max */
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/* Retry limits and lifetime flags available */
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#define IW_RETRY_ON 0x0000 /* No details... */
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#define IW_RETRY_TYPE 0xF000 /* Type of parameter */
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#define IW_RETRY_LIMIT 0x1000 /* Maximum number of retries*/
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#define IW_RETRY_LIFETIME 0x2000 /* Maximum duration of retries in us */
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#define IW_RETRY_MODIFIER 0x000F /* Modify a parameter */
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#define IW_RETRY_MIN 0x0001 /* Value is a minimum */
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#define IW_RETRY_MAX 0x0002 /* Value is a maximum */
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#define IW_RETRY_RELATIVE 0x0004 /* Value is not in seconds/ms/us */
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/* Scanning request flags */
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#define IW_SCAN_DEFAULT 0x0000 /* Default scan of the driver */
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#define IW_SCAN_ALL_ESSID 0x0001 /* Scan all ESSIDs */
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#define IW_SCAN_THIS_ESSID 0x0002 /* Scan only this ESSID */
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#define IW_SCAN_ALL_FREQ 0x0004 /* Scan all Frequencies */
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#define IW_SCAN_THIS_FREQ 0x0008 /* Scan only this Frequency */
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#define IW_SCAN_ALL_MODE 0x0010 /* Scan all Modes */
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#define IW_SCAN_THIS_MODE 0x0020 /* Scan only this Mode */
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#define IW_SCAN_ALL_RATE 0x0040 /* Scan all Bit-Rates */
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#define IW_SCAN_THIS_RATE 0x0080 /* Scan only this Bit-Rate */
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/* Maximum size of returned data */
|
|
#define IW_SCAN_MAX_DATA 4096 /* In bytes */
|
|
|
|
/* Max number of char in custom event - use multiple of them if needed */
|
|
#define IW_CUSTOM_MAX 256 /* In bytes */
|
|
|
|
/****************************** TYPES ******************************/
|
|
|
|
/* --------------------------- SUBTYPES --------------------------- */
|
|
/*
|
|
* Generic format for most parameters that fit in an int
|
|
*/
|
|
struct iw_param
|
|
{
|
|
__s32 value; /* The value of the parameter itself */
|
|
__u8 fixed; /* Hardware should not use auto select */
|
|
__u8 disabled; /* Disable the feature */
|
|
__u16 flags; /* Various specifc flags (if any) */
|
|
};
|
|
|
|
/*
|
|
* For all data larger than 16 octets, we need to use a
|
|
* pointer to memory allocated in user space.
|
|
*/
|
|
struct iw_point
|
|
{
|
|
void __user *pointer; /* Pointer to the data (in user space) */
|
|
__u16 length; /* number of fields or size in bytes */
|
|
__u16 flags; /* Optional params */
|
|
};
|
|
|
|
/*
|
|
* A frequency
|
|
* For numbers lower than 10^9, we encode the number in 'm' and
|
|
* set 'e' to 0
|
|
* For number greater than 10^9, we divide it by the lowest power
|
|
* of 10 to get 'm' lower than 10^9, with 'm'= f / (10^'e')...
|
|
* The power of 10 is in 'e', the result of the division is in 'm'.
|
|
*/
|
|
struct iw_freq
|
|
{
|
|
__s32 m; /* Mantissa */
|
|
__s16 e; /* Exponent */
|
|
__u8 i; /* List index (when in range struct) */
|
|
__u8 pad; /* Unused - just for alignement */
|
|
};
|
|
|
|
/*
|
|
* Quality of the link
|
|
*/
|
|
struct iw_quality
|
|
{
|
|
__u8 qual; /* link quality (%retries, SNR,
|
|
%missed beacons or better...) */
|
|
__u8 level; /* signal level (dBm) */
|
|
__u8 noise; /* noise level (dBm) */
|
|
__u8 updated; /* Flags to know if updated */
|
|
};
|
|
|
|
/*
|
|
* Packet discarded in the wireless adapter due to
|
|
* "wireless" specific problems...
|
|
* Note : the list of counter and statistics in net_device_stats
|
|
* is already pretty exhaustive, and you should use that first.
|
|
* This is only additional stats...
|
|
*/
|
|
struct iw_discarded
|
|
{
|
|
__u32 nwid; /* Rx : Wrong nwid/essid */
|
|
__u32 code; /* Rx : Unable to code/decode (WEP) */
|
|
__u32 fragment; /* Rx : Can't perform MAC reassembly */
|
|
__u32 retries; /* Tx : Max MAC retries num reached */
|
|
__u32 misc; /* Others cases */
|
|
};
|
|
|
|
/*
|
|
* Packet/Time period missed in the wireless adapter due to
|
|
* "wireless" specific problems...
|
|
*/
|
|
struct iw_missed
|
|
{
|
|
__u32 beacon; /* Missed beacons/superframe */
|
|
};
|
|
|
|
/*
|
|
* Quality range (for spy threshold)
|
|
*/
|
|
struct iw_thrspy
|
|
{
|
|
struct sockaddr addr; /* Source address (hw/mac) */
|
|
struct iw_quality qual; /* Quality of the link */
|
|
struct iw_quality low; /* Low threshold */
|
|
struct iw_quality high; /* High threshold */
|
|
};
|
|
|
|
/* ------------------------ WIRELESS STATS ------------------------ */
|
|
/*
|
|
* Wireless statistics (used for /proc/net/wireless)
|
|
*/
|
|
struct iw_statistics
|
|
{
|
|
__u16 status; /* Status
|
|
* - device dependent for now */
|
|
|
|
struct iw_quality qual; /* Quality of the link
|
|
* (instant/mean/max) */
|
|
struct iw_discarded discard; /* Packet discarded counts */
|
|
struct iw_missed miss; /* Packet missed counts */
|
|
};
|
|
|
|
/* ------------------------ IOCTL REQUEST ------------------------ */
|
|
/*
|
|
* This structure defines the payload of an ioctl, and is used
|
|
* below.
|
|
*
|
|
* Note that this structure should fit on the memory footprint
|
|
* of iwreq (which is the same as ifreq), which mean a max size of
|
|
* 16 octets = 128 bits. Warning, pointers might be 64 bits wide...
|
|
* You should check this when increasing the structures defined
|
|
* above in this file...
|
|
*/
|
|
union iwreq_data
|
|
{
|
|
/* Config - generic */
|
|
char name[IFNAMSIZ];
|
|
/* Name : used to verify the presence of wireless extensions.
|
|
* Name of the protocol/provider... */
|
|
|
|
struct iw_point essid; /* Extended network name */
|
|
struct iw_param nwid; /* network id (or domain - the cell) */
|
|
struct iw_freq freq; /* frequency or channel :
|
|
* 0-1000 = channel
|
|
* > 1000 = frequency in Hz */
|
|
|
|
struct iw_param sens; /* signal level threshold */
|
|
struct iw_param bitrate; /* default bit rate */
|
|
struct iw_param txpower; /* default transmit power */
|
|
struct iw_param rts; /* RTS threshold threshold */
|
|
struct iw_param frag; /* Fragmentation threshold */
|
|
__u32 mode; /* Operation mode */
|
|
struct iw_param retry; /* Retry limits & lifetime */
|
|
|
|
struct iw_point encoding; /* Encoding stuff : tokens */
|
|
struct iw_param power; /* PM duration/timeout */
|
|
struct iw_quality qual; /* Quality part of statistics */
|
|
|
|
struct sockaddr ap_addr; /* Access point address */
|
|
struct sockaddr addr; /* Destination address (hw/mac) */
|
|
|
|
struct iw_param param; /* Other small parameters */
|
|
struct iw_point data; /* Other large parameters */
|
|
};
|
|
|
|
/*
|
|
* The structure to exchange data for ioctl.
|
|
* This structure is the same as 'struct ifreq', but (re)defined for
|
|
* convenience...
|
|
* Do I need to remind you about structure size (32 octets) ?
|
|
*/
|
|
struct iwreq
|
|
{
|
|
union
|
|
{
|
|
char ifrn_name[IFNAMSIZ]; /* if name, e.g. "eth0" */
|
|
} ifr_ifrn;
|
|
|
|
/* Data part (defined just above) */
|
|
union iwreq_data u;
|
|
};
|
|
|
|
/* -------------------------- IOCTL DATA -------------------------- */
|
|
/*
|
|
* For those ioctl which want to exchange mode data that what could
|
|
* fit in the above structure...
|
|
*/
|
|
|
|
/*
|
|
* Range of parameters
|
|
*/
|
|
|
|
struct iw_range
|
|
{
|
|
/* Informative stuff (to choose between different interface) */
|
|
__u32 throughput; /* To give an idea... */
|
|
/* In theory this value should be the maximum benchmarked
|
|
* TCP/IP throughput, because with most of these devices the
|
|
* bit rate is meaningless (overhead an co) to estimate how
|
|
* fast the connection will go and pick the fastest one.
|
|
* I suggest people to play with Netperf or any benchmark...
|
|
*/
|
|
|
|
/* NWID (or domain id) */
|
|
__u32 min_nwid; /* Minimal NWID we are able to set */
|
|
__u32 max_nwid; /* Maximal NWID we are able to set */
|
|
|
|
/* Old Frequency (backward compat - moved lower ) */
|
|
__u16 old_num_channels;
|
|
__u8 old_num_frequency;
|
|
/* Filler to keep "version" at the same offset */
|
|
__s32 old_freq[6];
|
|
|
|
/* signal level threshold range */
|
|
__s32 sensitivity;
|
|
|
|
/* Quality of link & SNR stuff */
|
|
/* Quality range (link, level, noise)
|
|
* If the quality is absolute, it will be in the range [0 ; max_qual],
|
|
* if the quality is dBm, it will be in the range [max_qual ; 0].
|
|
* Don't forget that we use 8 bit arithmetics... */
|
|
struct iw_quality max_qual; /* Quality of the link */
|
|
/* This should contain the average/typical values of the quality
|
|
* indicator. This should be the threshold between a "good" and
|
|
* a "bad" link (example : monitor going from green to orange).
|
|
* Currently, user space apps like quality monitors don't have any
|
|
* way to calibrate the measurement. With this, they can split
|
|
* the range between 0 and max_qual in different quality level
|
|
* (using a geometric subdivision centered on the average).
|
|
* I expect that people doing the user space apps will feedback
|
|
* us on which value we need to put in each driver... */
|
|
struct iw_quality avg_qual; /* Quality of the link */
|
|
|
|
/* Rates */
|
|
__u8 num_bitrates; /* Number of entries in the list */
|
|
__s32 bitrate[IW_MAX_BITRATES]; /* list, in bps */
|
|
|
|
/* RTS threshold */
|
|
__s32 min_rts; /* Minimal RTS threshold */
|
|
__s32 max_rts; /* Maximal RTS threshold */
|
|
|
|
/* Frag threshold */
|
|
__s32 min_frag; /* Minimal frag threshold */
|
|
__s32 max_frag; /* Maximal frag threshold */
|
|
|
|
/* Power Management duration & timeout */
|
|
__s32 min_pmp; /* Minimal PM period */
|
|
__s32 max_pmp; /* Maximal PM period */
|
|
__s32 min_pmt; /* Minimal PM timeout */
|
|
__s32 max_pmt; /* Maximal PM timeout */
|
|
__u16 pmp_flags; /* How to decode max/min PM period */
|
|
__u16 pmt_flags; /* How to decode max/min PM timeout */
|
|
__u16 pm_capa; /* What PM options are supported */
|
|
|
|
/* Encoder stuff */
|
|
__u16 encoding_size[IW_MAX_ENCODING_SIZES]; /* Different token sizes */
|
|
__u8 num_encoding_sizes; /* Number of entry in the list */
|
|
__u8 max_encoding_tokens; /* Max number of tokens */
|
|
/* For drivers that need a "login/passwd" form */
|
|
__u8 encoding_login_index; /* token index for login token */
|
|
|
|
/* Transmit power */
|
|
__u16 txpower_capa; /* What options are supported */
|
|
__u8 num_txpower; /* Number of entries in the list */
|
|
__s32 txpower[IW_MAX_TXPOWER]; /* list, in bps */
|
|
|
|
/* Wireless Extension version info */
|
|
__u8 we_version_compiled; /* Must be WIRELESS_EXT */
|
|
__u8 we_version_source; /* Last update of source */
|
|
|
|
/* Retry limits and lifetime */
|
|
__u16 retry_capa; /* What retry options are supported */
|
|
__u16 retry_flags; /* How to decode max/min retry limit */
|
|
__u16 r_time_flags; /* How to decode max/min retry life */
|
|
__s32 min_retry; /* Minimal number of retries */
|
|
__s32 max_retry; /* Maximal number of retries */
|
|
__s32 min_r_time; /* Minimal retry lifetime */
|
|
__s32 max_r_time; /* Maximal retry lifetime */
|
|
|
|
/* Frequency */
|
|
__u16 num_channels; /* Number of channels [0; num - 1] */
|
|
__u8 num_frequency; /* Number of entry in the list */
|
|
struct iw_freq freq[IW_MAX_FREQUENCIES]; /* list */
|
|
/* Note : this frequency list doesn't need to fit channel numbers,
|
|
* because each entry contain its channel index */
|
|
};
|
|
|
|
/*
|
|
* Private ioctl interface information
|
|
*/
|
|
|
|
struct iw_priv_args
|
|
{
|
|
__u32 cmd; /* Number of the ioctl to issue */
|
|
__u16 set_args; /* Type and number of args */
|
|
__u16 get_args; /* Type and number of args */
|
|
char name[IFNAMSIZ]; /* Name of the extension */
|
|
};
|
|
|
|
/* ----------------------- WIRELESS EVENTS ----------------------- */
|
|
/*
|
|
* Wireless events are carried through the rtnetlink socket to user
|
|
* space. They are encapsulated in the IFLA_WIRELESS field of
|
|
* a RTM_NEWLINK message.
|
|
*/
|
|
|
|
/*
|
|
* A Wireless Event. Contains basically the same data as the ioctl...
|
|
*/
|
|
struct iw_event
|
|
{
|
|
__u16 len; /* Real lenght of this stuff */
|
|
__u16 cmd; /* Wireless IOCTL */
|
|
union iwreq_data u; /* IOCTL fixed payload */
|
|
};
|
|
|
|
/* Size of the Event prefix (including padding and alignement junk) */
|
|
#define IW_EV_LCP_LEN (sizeof(struct iw_event) - sizeof(union iwreq_data))
|
|
/* Size of the various events */
|
|
#define IW_EV_CHAR_LEN (IW_EV_LCP_LEN + IFNAMSIZ)
|
|
#define IW_EV_UINT_LEN (IW_EV_LCP_LEN + sizeof(__u32))
|
|
#define IW_EV_FREQ_LEN (IW_EV_LCP_LEN + sizeof(struct iw_freq))
|
|
#define IW_EV_POINT_LEN (IW_EV_LCP_LEN + sizeof(struct iw_point))
|
|
#define IW_EV_PARAM_LEN (IW_EV_LCP_LEN + sizeof(struct iw_param))
|
|
#define IW_EV_ADDR_LEN (IW_EV_LCP_LEN + sizeof(struct sockaddr))
|
|
#define IW_EV_QUAL_LEN (IW_EV_LCP_LEN + sizeof(struct iw_quality))
|
|
|
|
/* Note : in the case of iw_point, the extra data will come at the
|
|
* end of the event */
|
|
|
|
#endif /* _LINUX_WIRELESS_H */
|