1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * This file define a set of standard wireless extensions
4 *
5 * Version : 22 16.3.07
6 *
7 * Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com>
8 * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved.
9 */
10
11#ifndef _LINUX_WIRELESS_H
12#define _LINUX_WIRELESS_H
13
14/************************** DOCUMENTATION **************************/
15/*
16 * Initial APIs (1996 -> onward) :
17 * -----------------------------
18 * Basically, the wireless extensions are for now a set of standard ioctl
19 * call + /proc/net/wireless
20 *
21 * The entry /proc/net/wireless give statistics and information on the
22 * driver.
23 * This is better than having each driver having its entry because
24 * its centralised and we may remove the driver module safely.
25 *
26 * Ioctl are used to configure the driver and issue commands. This is
27 * better than command line options of insmod because we may want to
28 * change dynamically (while the driver is running) some parameters.
29 *
30 * The ioctl mechanimsm are copied from standard devices ioctl.
31 * We have the list of command plus a structure descibing the
32 * data exchanged...
33 * Note that to add these ioctl, I was obliged to modify :
34 * # net/core/dev.c (two place + add include)
35 * # net/ipv4/af_inet.c (one place + add include)
36 *
37 * /proc/net/wireless is a copy of /proc/net/dev.
38 * We have a structure for data passed from the driver to /proc/net/wireless
39 * Too add this, I've modified :
40 * # net/core/dev.c (two other places)
41 * # include/linux/netdevice.h (one place)
42 * # include/linux/proc_fs.h (one place)
43 *
44 * New driver API (2002 -> onward) :
45 * -------------------------------
46 * This file is only concerned with the user space API and common definitions.
47 * The new driver API is defined and documented in :
48 * # include/net/iw_handler.h
49 *
50 * Note as well that /proc/net/wireless implementation has now moved in :
51 * # net/core/wireless.c
52 *
53 * Wireless Events (2002 -> onward) :
54 * --------------------------------
55 * Events are defined at the end of this file, and implemented in :
56 * # net/core/wireless.c
57 *
58 * Other comments :
59 * --------------
60 * Do not add here things that are redundant with other mechanisms
61 * (drivers init, ifconfig, /proc/net/dev, ...) and with are not
62 * wireless specific.
63 *
64 * These wireless extensions are not magic : each driver has to provide
65 * support for them...
66 *
67 * IMPORTANT NOTE : As everything in the kernel, this is very much a
68 * work in progress. Contact me if you have ideas of improvements...
69 */
70
71/***************************** INCLUDES *****************************/
72
73#include <linux/types.h> /* for __u* and __s* typedefs */
74#include <linux/socket.h> /* for "struct sockaddr" et al */
75#include <linux/if.h> /* for IFNAMSIZ and co... */
76
77/***************************** VERSION *****************************/
78/*
79 * This constant is used to know the availability of the wireless
80 * extensions and to know which version of wireless extensions it is
81 * (there is some stuff that will be added in the future...)
82 * I just plan to increment with each new version.
83 */
84#define WIRELESS_EXT 22
85
86/*
87 * Changes :
88 *
89 * V2 to V3
90 * --------
91 * Alan Cox start some incompatibles changes. I've integrated a bit more.
92 * - Encryption renamed to Encode to avoid US regulation problems
93 * - Frequency changed from float to struct to avoid problems on old 386
94 *
95 * V3 to V4
96 * --------
97 * - Add sensitivity
98 *
99 * V4 to V5
100 * --------
101 * - Missing encoding definitions in range
102 * - Access points stuff
103 *
104 * V5 to V6
105 * --------
106 * - 802.11 support (ESSID ioctls)
107 *
108 * V6 to V7
109 * --------
110 * - define IW_ESSID_MAX_SIZE and IW_MAX_AP
111 *
112 * V7 to V8
113 * --------
114 * - Changed my e-mail address
115 * - More 802.11 support (nickname, rate, rts, frag)
116 * - List index in frequencies
117 *
118 * V8 to V9
119 * --------
120 * - Support for 'mode of operation' (ad-hoc, managed...)
121 * - Support for unicast and multicast power saving
122 * - Change encoding to support larger tokens (>64 bits)
123 * - Updated iw_params (disable, flags) and use it for NWID
124 * - Extracted iw_point from iwreq for clarity
125 *
126 * V9 to V10
127 * ---------
128 * - Add PM capability to range structure
129 * - Add PM modifier : MAX/MIN/RELATIVE
130 * - Add encoding option : IW_ENCODE_NOKEY
131 * - Add TxPower ioctls (work like TxRate)
132 *
133 * V10 to V11
134 * ----------
135 * - Add WE version in range (help backward/forward compatibility)
136 * - Add retry ioctls (work like PM)
137 *
138 * V11 to V12
139 * ----------
140 * - Add SIOCSIWSTATS to get /proc/net/wireless programatically
141 * - Add DEV PRIVATE IOCTL to avoid collisions in SIOCDEVPRIVATE space
142 * - Add new statistics (frag, retry, beacon)
143 * - Add average quality (for user space calibration)
144 *
145 * V12 to V13
146 * ----------
147 * - Document creation of new driver API.
148 * - Extract union iwreq_data from struct iwreq (for new driver API).
149 * - Rename SIOCSIWNAME as SIOCSIWCOMMIT
150 *
151 * V13 to V14
152 * ----------
153 * - Wireless Events support : define struct iw_event
154 * - Define additional specific event numbers
155 * - Add "addr" and "param" fields in union iwreq_data
156 * - AP scanning stuff (SIOCSIWSCAN and friends)
157 *
158 * V14 to V15
159 * ----------
160 * - Add IW_PRIV_TYPE_ADDR for struct sockaddr private arg
161 * - Make struct iw_freq signed (both m & e), add explicit padding
162 * - Add IWEVCUSTOM for driver specific event/scanning token
163 * - Add IW_MAX_GET_SPY for driver returning a lot of addresses
164 * - Add IW_TXPOW_RANGE for range of Tx Powers
165 * - Add IWEVREGISTERED & IWEVEXPIRED events for Access Points
166 * - Add IW_MODE_MONITOR for passive monitor
167 *
168 * V15 to V16
169 * ----------
170 * - Increase the number of bitrates in iw_range to 32 (for 802.11g)
171 * - Increase the number of frequencies in iw_range to 32 (for 802.11b+a)
172 * - Reshuffle struct iw_range for increases, add filler
173 * - Increase IW_MAX_AP to 64 for driver returning a lot of addresses
174 * - Remove IW_MAX_GET_SPY because conflict with enhanced spy support
175 * - Add SIOCSIWTHRSPY/SIOCGIWTHRSPY and "struct iw_thrspy"
176 * - Add IW_ENCODE_TEMP and iw_range->encoding_login_index
177 *
178 * V16 to V17
179 * ----------
180 * - Add flags to frequency -> auto/fixed
181 * - Document (struct iw_quality *)->updated, add new flags (INVALID)
182 * - Wireless Event capability in struct iw_range
183 * - Add support for relative TxPower (yick !)
184 *
185 * V17 to V18 (From Jouni Malinen <j@w1.fi>)
186 * ----------
187 * - Add support for WPA/WPA2
188 * - Add extended encoding configuration (SIOCSIWENCODEEXT and
189 * SIOCGIWENCODEEXT)
190 * - Add SIOCSIWGENIE/SIOCGIWGENIE
191 * - Add SIOCSIWMLME
192 * - Add SIOCSIWPMKSA
193 * - Add struct iw_range bit field for supported encoding capabilities
194 * - Add optional scan request parameters for SIOCSIWSCAN
195 * - Add SIOCSIWAUTH/SIOCGIWAUTH for setting authentication and WPA
196 * related parameters (extensible up to 4096 parameter values)
197 * - Add wireless events: IWEVGENIE, IWEVMICHAELMICFAILURE,
198 * IWEVASSOCREQIE, IWEVASSOCRESPIE, IWEVPMKIDCAND
199 *
200 * V18 to V19
201 * ----------
202 * - Remove (struct iw_point *)->pointer from events and streams
203 * - Remove header includes to help user space
204 * - Increase IW_ENCODING_TOKEN_MAX from 32 to 64
205 * - Add IW_QUAL_ALL_UPDATED and IW_QUAL_ALL_INVALID macros
206 * - Add explicit flag to tell stats are in dBm : IW_QUAL_DBM
207 * - Add IW_IOCTL_IDX() and IW_EVENT_IDX() macros
208 *
209 * V19 to V20
210 * ----------
211 * - RtNetlink requests support (SET/GET)
212 *
213 * V20 to V21
214 * ----------
215 * - Remove (struct net_device *)->get_wireless_stats()
216 * - Change length in ESSID and NICK to strlen() instead of strlen()+1
217 * - Add IW_RETRY_SHORT/IW_RETRY_LONG retry modifiers
218 * - Power/Retry relative values no longer * 100000
219 * - Add explicit flag to tell stats are in 802.11k RCPI : IW_QUAL_RCPI
220 *
221 * V21 to V22
222 * ----------
223 * - Prevent leaking of kernel space in stream on 64 bits.
224 */
225
226/**************************** CONSTANTS ****************************/
227
228/* -------------------------- IOCTL LIST -------------------------- */
229
230/* Wireless Identification */
231#define SIOCSIWCOMMIT 0x8B00 /* Commit pending changes to driver */
232#define SIOCGIWNAME 0x8B01 /* get name == wireless protocol */
233/* SIOCGIWNAME is used to verify the presence of Wireless Extensions.
234 * Common values : "IEEE 802.11-DS", "IEEE 802.11-FH", "IEEE 802.11b"...
235 * Don't put the name of your driver there, it's useless. */
236
237/* Basic operations */
238#define SIOCSIWNWID 0x8B02 /* set network id (pre-802.11) */
239#define SIOCGIWNWID 0x8B03 /* get network id (the cell) */
240#define SIOCSIWFREQ 0x8B04 /* set channel/frequency (Hz) */
241#define SIOCGIWFREQ 0x8B05 /* get channel/frequency (Hz) */
242#define SIOCSIWMODE 0x8B06 /* set operation mode */
243#define SIOCGIWMODE 0x8B07 /* get operation mode */
244#define SIOCSIWSENS 0x8B08 /* set sensitivity (dBm) */
245#define SIOCGIWSENS 0x8B09 /* get sensitivity (dBm) */
246
247/* Informative stuff */
248#define SIOCSIWRANGE 0x8B0A /* Unused */
249#define SIOCGIWRANGE 0x8B0B /* Get range of parameters */
250#define SIOCSIWPRIV 0x8B0C /* Unused */
251#define SIOCGIWPRIV 0x8B0D /* get private ioctl interface info */
252#define SIOCSIWSTATS 0x8B0E /* Unused */
253#define SIOCGIWSTATS 0x8B0F /* Get /proc/net/wireless stats */
254/* SIOCGIWSTATS is strictly used between user space and the kernel, and
255 * is never passed to the driver (i.e. the driver will never see it). */
256
257/* Spy support (statistics per MAC address - used for Mobile IP support) */
258#define SIOCSIWSPY 0x8B10 /* set spy addresses */
259#define SIOCGIWSPY 0x8B11 /* get spy info (quality of link) */
260#define SIOCSIWTHRSPY 0x8B12 /* set spy threshold (spy event) */
261#define SIOCGIWTHRSPY 0x8B13 /* get spy threshold */
262
263/* Access Point manipulation */
264#define SIOCSIWAP 0x8B14 /* set access point MAC addresses */
265#define SIOCGIWAP 0x8B15 /* get access point MAC addresses */
266#define SIOCGIWAPLIST 0x8B17 /* Deprecated in favor of scanning */
267#define SIOCSIWSCAN 0x8B18 /* trigger scanning (list cells) */
268#define SIOCGIWSCAN 0x8B19 /* get scanning results */
269
270/* 802.11 specific support */
271#define SIOCSIWESSID 0x8B1A /* set ESSID (network name) */
272#define SIOCGIWESSID 0x8B1B /* get ESSID */
273#define SIOCSIWNICKN 0x8B1C /* set node name/nickname */
274#define SIOCGIWNICKN 0x8B1D /* get node name/nickname */
275/* As the ESSID and NICKN are strings up to 32 bytes long, it doesn't fit
276 * within the 'iwreq' structure, so we need to use the 'data' member to
277 * point to a string in user space, like it is done for RANGE... */
278
279/* Other parameters useful in 802.11 and some other devices */
280#define SIOCSIWRATE 0x8B20 /* set default bit rate (bps) */
281#define SIOCGIWRATE 0x8B21 /* get default bit rate (bps) */
282#define SIOCSIWRTS 0x8B22 /* set RTS/CTS threshold (bytes) */
283#define SIOCGIWRTS 0x8B23 /* get RTS/CTS threshold (bytes) */
284#define SIOCSIWFRAG 0x8B24 /* set fragmentation thr (bytes) */
285#define SIOCGIWFRAG 0x8B25 /* get fragmentation thr (bytes) */
286#define SIOCSIWTXPOW 0x8B26 /* set transmit power (dBm) */
287#define SIOCGIWTXPOW 0x8B27 /* get transmit power (dBm) */
288#define SIOCSIWRETRY 0x8B28 /* set retry limits and lifetime */
289#define SIOCGIWRETRY 0x8B29 /* get retry limits and lifetime */
290
291/* Encoding stuff (scrambling, hardware security, WEP...) */
292#define SIOCSIWENCODE 0x8B2A /* set encoding token & mode */
293#define SIOCGIWENCODE 0x8B2B /* get encoding token & mode */
294/* Power saving stuff (power management, unicast and multicast) */
295#define SIOCSIWPOWER 0x8B2C /* set Power Management settings */
296#define SIOCGIWPOWER 0x8B2D /* get Power Management settings */
297
298/* WPA : Generic IEEE 802.11 informatiom element (e.g., for WPA/RSN/WMM).
299 * This ioctl uses struct iw_point and data buffer that includes IE id and len
300 * fields. More than one IE may be included in the request. Setting the generic
301 * IE to empty buffer (len=0) removes the generic IE from the driver. Drivers
302 * are allowed to generate their own WPA/RSN IEs, but in these cases, drivers
303 * are required to report the used IE as a wireless event, e.g., when
304 * associating with an AP. */
305#define SIOCSIWGENIE 0x8B30 /* set generic IE */
306#define SIOCGIWGENIE 0x8B31 /* get generic IE */
307
308/* WPA : IEEE 802.11 MLME requests */
309#define SIOCSIWMLME 0x8B16 /* request MLME operation; uses
310 * struct iw_mlme */
311/* WPA : Authentication mode parameters */
312#define SIOCSIWAUTH 0x8B32 /* set authentication mode params */
313#define SIOCGIWAUTH 0x8B33 /* get authentication mode params */
314
315/* WPA : Extended version of encoding configuration */
316#define SIOCSIWENCODEEXT 0x8B34 /* set encoding token & mode */
317#define SIOCGIWENCODEEXT 0x8B35 /* get encoding token & mode */
318
319/* WPA2 : PMKSA cache management */
320#define SIOCSIWPMKSA 0x8B36 /* PMKSA cache operation */
321
322/* -------------------- DEV PRIVATE IOCTL LIST -------------------- */
323
324/* These 32 ioctl are wireless device private, for 16 commands.
325 * Each driver is free to use them for whatever purpose it chooses,
326 * however the driver *must* export the description of those ioctls
327 * with SIOCGIWPRIV and *must* use arguments as defined below.
328 * If you don't follow those rules, DaveM is going to hate you (reason :
329 * it make mixed 32/64bit operation impossible).
330 */
331#define SIOCIWFIRSTPRIV 0x8BE0
332#define SIOCIWLASTPRIV 0x8BFF
333/* Previously, we were using SIOCDEVPRIVATE, but we now have our
334 * separate range because of collisions with other tools such as
335 * 'mii-tool'.
336 * We now have 32 commands, so a bit more space ;-).
337 * Also, all 'even' commands are only usable by root and don't return the
338 * content of ifr/iwr to user (but you are not obliged to use the set/get
339 * convention, just use every other two command). More details in iwpriv.c.
340 * And I repeat : you are not forced to use them with iwpriv, but you
341 * must be compliant with it.
342 */
343
344/* ------------------------- IOCTL STUFF ------------------------- */
345
346/* The first and the last (range) */
347#define SIOCIWFIRST 0x8B00
348#define SIOCIWLAST SIOCIWLASTPRIV /* 0x8BFF */
349#define IW_IOCTL_IDX(cmd) ((cmd) - SIOCIWFIRST)
350#define IW_HANDLER(id, func) \
351 [IW_IOCTL_IDX(id)] = func
352
353/* Odd : get (world access), even : set (root access) */
354#define IW_IS_SET(cmd) (!((cmd) & 0x1))
355#define IW_IS_GET(cmd) ((cmd) & 0x1)
356
357/* ----------------------- WIRELESS EVENTS ----------------------- */
358/* Those are *NOT* ioctls, do not issue request on them !!! */
359/* Most events use the same identifier as ioctl requests */
360
361#define IWEVTXDROP 0x8C00 /* Packet dropped to excessive retry */
362#define IWEVQUAL 0x8C01 /* Quality part of statistics (scan) */
363#define IWEVCUSTOM 0x8C02 /* Driver specific ascii string */
364#define IWEVREGISTERED 0x8C03 /* Discovered a new node (AP mode) */
365#define IWEVEXPIRED 0x8C04 /* Expired a node (AP mode) */
366#define IWEVGENIE 0x8C05 /* Generic IE (WPA, RSN, WMM, ..)
367 * (scan results); This includes id and
368 * length fields. One IWEVGENIE may
369 * contain more than one IE. Scan
370 * results may contain one or more
371 * IWEVGENIE events. */
372#define IWEVMICHAELMICFAILURE 0x8C06 /* Michael MIC failure
373 * (struct iw_michaelmicfailure)
374 */
375#define IWEVASSOCREQIE 0x8C07 /* IEs used in (Re)Association Request.
376 * The data includes id and length
377 * fields and may contain more than one
378 * IE. This event is required in
379 * Managed mode if the driver
380 * generates its own WPA/RSN IE. This
381 * should be sent just before
382 * IWEVREGISTERED event for the
383 * association. */
384#define IWEVASSOCRESPIE 0x8C08 /* IEs used in (Re)Association
385 * Response. The data includes id and
386 * length fields and may contain more
387 * than one IE. This may be sent
388 * between IWEVASSOCREQIE and
389 * IWEVREGISTERED events for the
390 * association. */
391#define IWEVPMKIDCAND 0x8C09 /* PMKID candidate for RSN
392 * pre-authentication
393 * (struct iw_pmkid_cand) */
394
395#define IWEVFIRST 0x8C00
396#define IW_EVENT_IDX(cmd) ((cmd) - IWEVFIRST)
397
398/* ------------------------- PRIVATE INFO ------------------------- */
399/*
400 * The following is used with SIOCGIWPRIV. It allow a driver to define
401 * the interface (name, type of data) for its private ioctl.
402 * Privates ioctl are SIOCIWFIRSTPRIV -> SIOCIWLASTPRIV
403 */
404
405#define IW_PRIV_TYPE_MASK 0x7000 /* Type of arguments */
406#define IW_PRIV_TYPE_NONE 0x0000
407#define IW_PRIV_TYPE_BYTE 0x1000 /* Char as number */
408#define IW_PRIV_TYPE_CHAR 0x2000 /* Char as character */
409#define IW_PRIV_TYPE_INT 0x4000 /* 32 bits int */
410#define IW_PRIV_TYPE_FLOAT 0x5000 /* struct iw_freq */
411#define IW_PRIV_TYPE_ADDR 0x6000 /* struct sockaddr */
412
413#define IW_PRIV_SIZE_FIXED 0x0800 /* Variable or fixed number of args */
414
415#define IW_PRIV_SIZE_MASK 0x07FF /* Max number of those args */
416
417/*
418 * Note : if the number of args is fixed and the size < 16 octets,
419 * instead of passing a pointer we will put args in the iwreq struct...
420 */
421
422/* ----------------------- OTHER CONSTANTS ----------------------- */
423
424/* Maximum frequencies in the range struct */
425#define IW_MAX_FREQUENCIES 32
426/* Note : if you have something like 80 frequencies,
427 * don't increase this constant and don't fill the frequency list.
428 * The user will be able to set by channel anyway... */
429
430/* Maximum bit rates in the range struct */
431#define IW_MAX_BITRATES 32
432
433/* Maximum tx powers in the range struct */
434#define IW_MAX_TXPOWER 8
435/* Note : if you more than 8 TXPowers, just set the max and min or
436 * a few of them in the struct iw_range. */
437
438/* Maximum of address that you may set with SPY */
439#define IW_MAX_SPY 8
440
441/* Maximum of address that you may get in the
442 list of access points in range */
443#define IW_MAX_AP 64
444
445/* Maximum size of the ESSID and NICKN strings */
446#define IW_ESSID_MAX_SIZE 32
447
448/* Modes of operation */
449#define IW_MODE_AUTO 0 /* Let the driver decides */
450#define IW_MODE_ADHOC 1 /* Single cell network */
451#define IW_MODE_INFRA 2 /* Multi cell network, roaming, ... */
452#define IW_MODE_MASTER 3 /* Synchronisation master or Access Point */
453#define IW_MODE_REPEAT 4 /* Wireless Repeater (forwarder) */
454#define IW_MODE_SECOND 5 /* Secondary master/repeater (backup) */
455#define IW_MODE_MONITOR 6 /* Passive monitor (listen only) */
456#define IW_MODE_MESH 7 /* Mesh (IEEE 802.11s) network */
457
458/* Statistics flags (bitmask in updated) */
459#define IW_QUAL_QUAL_UPDATED 0x01 /* Value was updated since last read */
460#define IW_QUAL_LEVEL_UPDATED 0x02
461#define IW_QUAL_NOISE_UPDATED 0x04
462#define IW_QUAL_ALL_UPDATED 0x07
463#define IW_QUAL_DBM 0x08 /* Level + Noise are dBm */
464#define IW_QUAL_QUAL_INVALID 0x10 /* Driver doesn't provide value */
465#define IW_QUAL_LEVEL_INVALID 0x20
466#define IW_QUAL_NOISE_INVALID 0x40
467#define IW_QUAL_RCPI 0x80 /* Level + Noise are 802.11k RCPI */
468#define IW_QUAL_ALL_INVALID 0x70
469
470/* Frequency flags */
471#define IW_FREQ_AUTO 0x00 /* Let the driver decides */
472#define IW_FREQ_FIXED 0x01 /* Force a specific value */
473
474/* Maximum number of size of encoding token available
475 * they are listed in the range structure */
476#define IW_MAX_ENCODING_SIZES 8
477
478/* Maximum size of the encoding token in bytes */
479#define IW_ENCODING_TOKEN_MAX 64 /* 512 bits (for now) */
480
481/* Flags for encoding (along with the token) */
482#define IW_ENCODE_INDEX 0x00FF /* Token index (if needed) */
483#define IW_ENCODE_FLAGS 0xFF00 /* Flags defined below */
484#define IW_ENCODE_MODE 0xF000 /* Modes defined below */
485#define IW_ENCODE_DISABLED 0x8000 /* Encoding disabled */
486#define IW_ENCODE_ENABLED 0x0000 /* Encoding enabled */
487#define IW_ENCODE_RESTRICTED 0x4000 /* Refuse non-encoded packets */
488#define IW_ENCODE_OPEN 0x2000 /* Accept non-encoded packets */
489#define IW_ENCODE_NOKEY 0x0800 /* Key is write only, so not present */
490#define IW_ENCODE_TEMP 0x0400 /* Temporary key */
491
492/* Power management flags available (along with the value, if any) */
493#define IW_POWER_ON 0x0000 /* No details... */
494#define IW_POWER_TYPE 0xF000 /* Type of parameter */
495#define IW_POWER_PERIOD 0x1000 /* Value is a period/duration of */
496#define IW_POWER_TIMEOUT 0x2000 /* Value is a timeout (to go asleep) */
497#define IW_POWER_MODE 0x0F00 /* Power Management mode */
498#define IW_POWER_UNICAST_R 0x0100 /* Receive only unicast messages */
499#define IW_POWER_MULTICAST_R 0x0200 /* Receive only multicast messages */
500#define IW_POWER_ALL_R 0x0300 /* Receive all messages though PM */
501#define IW_POWER_FORCE_S 0x0400 /* Force PM procedure for sending unicast */
502#define IW_POWER_REPEATER 0x0800 /* Repeat broadcast messages in PM period */
503#define IW_POWER_MODIFIER 0x000F /* Modify a parameter */
504#define IW_POWER_MIN 0x0001 /* Value is a minimum */
505#define IW_POWER_MAX 0x0002 /* Value is a maximum */
506#define IW_POWER_RELATIVE 0x0004 /* Value is not in seconds/ms/us */
507
508/* Transmit Power flags available */
509#define IW_TXPOW_TYPE 0x00FF /* Type of value */
510#define IW_TXPOW_DBM 0x0000 /* Value is in dBm */
511#define IW_TXPOW_MWATT 0x0001 /* Value is in mW */
512#define IW_TXPOW_RELATIVE 0x0002 /* Value is in arbitrary units */
513#define IW_TXPOW_RANGE 0x1000 /* Range of value between min/max */
514
515/* Retry limits and lifetime flags available */
516#define IW_RETRY_ON 0x0000 /* No details... */
517#define IW_RETRY_TYPE 0xF000 /* Type of parameter */
518#define IW_RETRY_LIMIT 0x1000 /* Maximum number of retries*/
519#define IW_RETRY_LIFETIME 0x2000 /* Maximum duration of retries in us */
520#define IW_RETRY_MODIFIER 0x00FF /* Modify a parameter */
521#define IW_RETRY_MIN 0x0001 /* Value is a minimum */
522#define IW_RETRY_MAX 0x0002 /* Value is a maximum */
523#define IW_RETRY_RELATIVE 0x0004 /* Value is not in seconds/ms/us */
524#define IW_RETRY_SHORT 0x0010 /* Value is for short packets */
525#define IW_RETRY_LONG 0x0020 /* Value is for long packets */
526
527/* Scanning request flags */
528#define IW_SCAN_DEFAULT 0x0000 /* Default scan of the driver */
529#define IW_SCAN_ALL_ESSID 0x0001 /* Scan all ESSIDs */
530#define IW_SCAN_THIS_ESSID 0x0002 /* Scan only this ESSID */
531#define IW_SCAN_ALL_FREQ 0x0004 /* Scan all Frequencies */
532#define IW_SCAN_THIS_FREQ 0x0008 /* Scan only this Frequency */
533#define IW_SCAN_ALL_MODE 0x0010 /* Scan all Modes */
534#define IW_SCAN_THIS_MODE 0x0020 /* Scan only this Mode */
535#define IW_SCAN_ALL_RATE 0x0040 /* Scan all Bit-Rates */
536#define IW_SCAN_THIS_RATE 0x0080 /* Scan only this Bit-Rate */
537/* struct iw_scan_req scan_type */
538#define IW_SCAN_TYPE_ACTIVE 0
539#define IW_SCAN_TYPE_PASSIVE 1
540/* Maximum size of returned data */
541#define IW_SCAN_MAX_DATA 4096 /* In bytes */
542
543/* Scan capability flags - in (struct iw_range *)->scan_capa */
544#define IW_SCAN_CAPA_NONE 0x00
545#define IW_SCAN_CAPA_ESSID 0x01
546#define IW_SCAN_CAPA_BSSID 0x02
547#define IW_SCAN_CAPA_CHANNEL 0x04
548#define IW_SCAN_CAPA_MODE 0x08
549#define IW_SCAN_CAPA_RATE 0x10
550#define IW_SCAN_CAPA_TYPE 0x20
551#define IW_SCAN_CAPA_TIME 0x40
552
553/* Max number of char in custom event - use multiple of them if needed */
554#define IW_CUSTOM_MAX 256 /* In bytes */
555
556/* Generic information element */
557#define IW_GENERIC_IE_MAX 1024
558
559/* MLME requests (SIOCSIWMLME / struct iw_mlme) */
560#define IW_MLME_DEAUTH 0
561#define IW_MLME_DISASSOC 1
562#define IW_MLME_AUTH 2
563#define IW_MLME_ASSOC 3
564
565/* SIOCSIWAUTH/SIOCGIWAUTH struct iw_param flags */
566#define IW_AUTH_INDEX 0x0FFF
567#define IW_AUTH_FLAGS 0xF000
568/* SIOCSIWAUTH/SIOCGIWAUTH parameters (0 .. 4095)
569 * (IW_AUTH_INDEX mask in struct iw_param flags; this is the index of the
570 * parameter that is being set/get to; value will be read/written to
571 * struct iw_param value field) */
572#define IW_AUTH_WPA_VERSION 0
573#define IW_AUTH_CIPHER_PAIRWISE 1
574#define IW_AUTH_CIPHER_GROUP 2
575#define IW_AUTH_KEY_MGMT 3
576#define IW_AUTH_TKIP_COUNTERMEASURES 4
577#define IW_AUTH_DROP_UNENCRYPTED 5
578#define IW_AUTH_80211_AUTH_ALG 6
579#define IW_AUTH_WPA_ENABLED 7
580#define IW_AUTH_RX_UNENCRYPTED_EAPOL 8
581#define IW_AUTH_ROAMING_CONTROL 9
582#define IW_AUTH_PRIVACY_INVOKED 10
583#define IW_AUTH_CIPHER_GROUP_MGMT 11
584#define IW_AUTH_MFP 12
585
586/* IW_AUTH_WPA_VERSION values (bit field) */
587#define IW_AUTH_WPA_VERSION_DISABLED 0x00000001
588#define IW_AUTH_WPA_VERSION_WPA 0x00000002
589#define IW_AUTH_WPA_VERSION_WPA2 0x00000004
590
591/* IW_AUTH_PAIRWISE_CIPHER, IW_AUTH_GROUP_CIPHER, and IW_AUTH_CIPHER_GROUP_MGMT
592 * values (bit field) */
593#define IW_AUTH_CIPHER_NONE 0x00000001
594#define IW_AUTH_CIPHER_WEP40 0x00000002
595#define IW_AUTH_CIPHER_TKIP 0x00000004
596#define IW_AUTH_CIPHER_CCMP 0x00000008
597#define IW_AUTH_CIPHER_WEP104 0x00000010
598#define IW_AUTH_CIPHER_AES_CMAC 0x00000020
599
600/* IW_AUTH_KEY_MGMT values (bit field) */
601#define IW_AUTH_KEY_MGMT_802_1X 1
602#define IW_AUTH_KEY_MGMT_PSK 2
603
604/* IW_AUTH_80211_AUTH_ALG values (bit field) */
605#define IW_AUTH_ALG_OPEN_SYSTEM 0x00000001
606#define IW_AUTH_ALG_SHARED_KEY 0x00000002
607#define IW_AUTH_ALG_LEAP 0x00000004
608
609/* IW_AUTH_ROAMING_CONTROL values */
610#define IW_AUTH_ROAMING_ENABLE 0 /* driver/firmware based roaming */
611#define IW_AUTH_ROAMING_DISABLE 1 /* user space program used for roaming
612 * control */
613
614/* IW_AUTH_MFP (management frame protection) values */
615#define IW_AUTH_MFP_DISABLED 0 /* MFP disabled */
616#define IW_AUTH_MFP_OPTIONAL 1 /* MFP optional */
617#define IW_AUTH_MFP_REQUIRED 2 /* MFP required */
618
619/* SIOCSIWENCODEEXT definitions */
620#define IW_ENCODE_SEQ_MAX_SIZE 8
621/* struct iw_encode_ext ->alg */
622#define IW_ENCODE_ALG_NONE 0
623#define IW_ENCODE_ALG_WEP 1
624#define IW_ENCODE_ALG_TKIP 2
625#define IW_ENCODE_ALG_CCMP 3
626#define IW_ENCODE_ALG_PMK 4
627#define IW_ENCODE_ALG_AES_CMAC 5
628/* struct iw_encode_ext ->ext_flags */
629#define IW_ENCODE_EXT_TX_SEQ_VALID 0x00000001
630#define IW_ENCODE_EXT_RX_SEQ_VALID 0x00000002
631#define IW_ENCODE_EXT_GROUP_KEY 0x00000004
632#define IW_ENCODE_EXT_SET_TX_KEY 0x00000008
633
634/* IWEVMICHAELMICFAILURE : struct iw_michaelmicfailure ->flags */
635#define IW_MICFAILURE_KEY_ID 0x00000003 /* Key ID 0..3 */
636#define IW_MICFAILURE_GROUP 0x00000004
637#define IW_MICFAILURE_PAIRWISE 0x00000008
638#define IW_MICFAILURE_STAKEY 0x00000010
639#define IW_MICFAILURE_COUNT 0x00000060 /* 1 or 2 (0 = count not supported)
640 */
641
642/* Bit field values for enc_capa in struct iw_range */
643#define IW_ENC_CAPA_WPA 0x00000001
644#define IW_ENC_CAPA_WPA2 0x00000002
645#define IW_ENC_CAPA_CIPHER_TKIP 0x00000004
646#define IW_ENC_CAPA_CIPHER_CCMP 0x00000008
647#define IW_ENC_CAPA_4WAY_HANDSHAKE 0x00000010
648
649/* Event capability macros - in (struct iw_range *)->event_capa
650 * Because we have more than 32 possible events, we use an array of
651 * 32 bit bitmasks. Note : 32 bits = 0x20 = 2^5. */
652#define IW_EVENT_CAPA_BASE(cmd) ((cmd >= SIOCIWFIRSTPRIV) ? \
653 (cmd - SIOCIWFIRSTPRIV + 0x60) : \
654 (cmd - SIOCIWFIRST))
655#define IW_EVENT_CAPA_INDEX(cmd) (IW_EVENT_CAPA_BASE(cmd) >> 5)
656#define IW_EVENT_CAPA_MASK(cmd) (1 << (IW_EVENT_CAPA_BASE(cmd) & 0x1F))
657/* Event capability constants - event autogenerated by the kernel
658 * This list is valid for most 802.11 devices, customise as needed... */
659#define IW_EVENT_CAPA_K_0 (IW_EVENT_CAPA_MASK(0x8B04) | \
660 IW_EVENT_CAPA_MASK(0x8B06) | \
661 IW_EVENT_CAPA_MASK(0x8B1A))
662#define IW_EVENT_CAPA_K_1 (IW_EVENT_CAPA_MASK(0x8B2A))
663/* "Easy" macro to set events in iw_range (less efficient) */
664#define IW_EVENT_CAPA_SET(event_capa, cmd) (event_capa[IW_EVENT_CAPA_INDEX(cmd)] |= IW_EVENT_CAPA_MASK(cmd))
665#define IW_EVENT_CAPA_SET_KERNEL(event_capa) {event_capa[0] |= IW_EVENT_CAPA_K_0; event_capa[1] |= IW_EVENT_CAPA_K_1; }
666
667
668/****************************** TYPES ******************************/
669
670/* --------------------------- SUBTYPES --------------------------- */
671/*
672 * Generic format for most parameters that fit in an int
673 */
674struct iw_param {
675 __s32 value; /* The value of the parameter itself */
676 __u8 fixed; /* Hardware should not use auto select */
677 __u8 disabled; /* Disable the feature */
678 __u16 flags; /* Various specifc flags (if any) */
679};
680
681/*
682 * For all data larger than 16 octets, we need to use a
683 * pointer to memory allocated in user space.
684 */
685struct iw_point {
686 void *pointer; /* Pointer to the data (in user space) */
687 __u16 length; /* number of fields or size in bytes */
688 __u16 flags; /* Optional params */
689};
690
691
692/*
693 * A frequency
694 * For numbers lower than 10^9, we encode the number in 'm' and
695 * set 'e' to 0
696 * For number greater than 10^9, we divide it by the lowest power
697 * of 10 to get 'm' lower than 10^9, with 'm'= f / (10^'e')...
698 * The power of 10 is in 'e', the result of the division is in 'm'.
699 */
700struct iw_freq {
701 __s32 m; /* Mantissa */
702 __s16 e; /* Exponent */
703 __u8 i; /* List index (when in range struct) */
704 __u8 flags; /* Flags (fixed/auto) */
705};
706
707/*
708 * Quality of the link
709 */
710struct iw_quality {
711 __u8 qual; /* link quality (%retries, SNR,
712 %missed beacons or better...) */
713 __u8 level; /* signal level (dBm) */
714 __u8 noise; /* noise level (dBm) */
715 __u8 updated; /* Flags to know if updated */
716};
717
718/*
719 * Packet discarded in the wireless adapter due to
720 * "wireless" specific problems...
721 * Note : the list of counter and statistics in net_device_stats
722 * is already pretty exhaustive, and you should use that first.
723 * This is only additional stats...
724 */
725struct iw_discarded {
726 __u32 nwid; /* Rx : Wrong nwid/essid */
727 __u32 code; /* Rx : Unable to code/decode (WEP) */
728 __u32 fragment; /* Rx : Can't perform MAC reassembly */
729 __u32 retries; /* Tx : Max MAC retries num reached */
730 __u32 misc; /* Others cases */
731};
732
733/*
734 * Packet/Time period missed in the wireless adapter due to
735 * "wireless" specific problems...
736 */
737struct iw_missed {
738 __u32 beacon; /* Missed beacons/superframe */
739};
740
741/*
742 * Quality range (for spy threshold)
743 */
744struct iw_thrspy {
745 struct sockaddr addr; /* Source address (hw/mac) */
746 struct iw_quality qual; /* Quality of the link */
747 struct iw_quality low; /* Low threshold */
748 struct iw_quality high; /* High threshold */
749};
750
751/*
752 * Optional data for scan request
753 *
754 * Note: these optional parameters are controlling parameters for the
755 * scanning behavior, these do not apply to getting scan results
756 * (SIOCGIWSCAN). Drivers are expected to keep a local BSS table and
757 * provide a merged results with all BSSes even if the previous scan
758 * request limited scanning to a subset, e.g., by specifying an SSID.
759 * Especially, scan results are required to include an entry for the
760 * current BSS if the driver is in Managed mode and associated with an AP.
761 */
762struct iw_scan_req {
763 __u8 scan_type; /* IW_SCAN_TYPE_{ACTIVE,PASSIVE} */
764 __u8 essid_len;
765 __u8 num_channels; /* num entries in channel_list;
766 * 0 = scan all allowed channels */
767 __u8 flags; /* reserved as padding; use zero, this may
768 * be used in the future for adding flags
769 * to request different scan behavior */
770 struct sockaddr bssid; /* ff:ff:ff:ff:ff:ff for broadcast BSSID or
771 * individual address of a specific BSS */
772
773 /*
774 * Use this ESSID if IW_SCAN_THIS_ESSID flag is used instead of using
775 * the current ESSID. This allows scan requests for specific ESSID
776 * without having to change the current ESSID and potentially breaking
777 * the current association.
778 */
779 __u8 essid[IW_ESSID_MAX_SIZE];
780
781 /*
782 * Optional parameters for changing the default scanning behavior.
783 * These are based on the MLME-SCAN.request from IEEE Std 802.11.
784 * TU is 1.024 ms. If these are set to 0, driver is expected to use
785 * reasonable default values. min_channel_time defines the time that
786 * will be used to wait for the first reply on each channel. If no
787 * replies are received, next channel will be scanned after this. If
788 * replies are received, total time waited on the channel is defined by
789 * max_channel_time.
790 */
791 __u32 min_channel_time; /* in TU */
792 __u32 max_channel_time; /* in TU */
793
794 struct iw_freq channel_list[IW_MAX_FREQUENCIES];
795};
796
797/* ------------------------- WPA SUPPORT ------------------------- */
798
799/*
800 * Extended data structure for get/set encoding (this is used with
801 * SIOCSIWENCODEEXT/SIOCGIWENCODEEXT. struct iw_point and IW_ENCODE_*
802 * flags are used in the same way as with SIOCSIWENCODE/SIOCGIWENCODE and
803 * only the data contents changes (key data -> this structure, including
804 * key data).
805 *
806 * If the new key is the first group key, it will be set as the default
807 * TX key. Otherwise, default TX key index is only changed if
808 * IW_ENCODE_EXT_SET_TX_KEY flag is set.
809 *
810 * Key will be changed with SIOCSIWENCODEEXT in all cases except for
811 * special "change TX key index" operation which is indicated by setting
812 * key_len = 0 and ext_flags |= IW_ENCODE_EXT_SET_TX_KEY.
813 *
814 * tx_seq/rx_seq are only used when respective
815 * IW_ENCODE_EXT_{TX,RX}_SEQ_VALID flag is set in ext_flags. Normal
816 * TKIP/CCMP operation is to set RX seq with SIOCSIWENCODEEXT and start
817 * TX seq from zero whenever key is changed. SIOCGIWENCODEEXT is normally
818 * used only by an Authenticator (AP or an IBSS station) to get the
819 * current TX sequence number. Using TX_SEQ_VALID for SIOCSIWENCODEEXT and
820 * RX_SEQ_VALID for SIOCGIWENCODEEXT are optional, but can be useful for
821 * debugging/testing.
822 */
823struct iw_encode_ext {
824 __u32 ext_flags; /* IW_ENCODE_EXT_* */
825 __u8 tx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
826 __u8 rx_seq[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
827 struct sockaddr addr; /* ff:ff:ff:ff:ff:ff for broadcast/multicast
828 * (group) keys or unicast address for
829 * individual keys */
830 __u16 alg; /* IW_ENCODE_ALG_* */
831 __u16 key_len;
832 __u8 key[0];
833};
834
835/* SIOCSIWMLME data */
836struct iw_mlme {
837 __u16 cmd; /* IW_MLME_* */
838 __u16 reason_code;
839 struct sockaddr addr;
840};
841
842/* SIOCSIWPMKSA data */
843#define IW_PMKSA_ADD 1
844#define IW_PMKSA_REMOVE 2
845#define IW_PMKSA_FLUSH 3
846
847#define IW_PMKID_LEN 16
848
849struct iw_pmksa {
850 __u32 cmd; /* IW_PMKSA_* */
851 struct sockaddr bssid;
852 __u8 pmkid[IW_PMKID_LEN];
853};
854
855/* IWEVMICHAELMICFAILURE data */
856struct iw_michaelmicfailure {
857 __u32 flags;
858 struct sockaddr src_addr;
859 __u8 tsc[IW_ENCODE_SEQ_MAX_SIZE]; /* LSB first */
860};
861
862/* IWEVPMKIDCAND data */
863#define IW_PMKID_CAND_PREAUTH 0x00000001 /* RNS pre-authentication enabled */
864struct iw_pmkid_cand {
865 __u32 flags; /* IW_PMKID_CAND_* */
866 __u32 index; /* the smaller the index, the higher the
867 * priority */
868 struct sockaddr bssid;
869};
870
871/* ------------------------ WIRELESS STATS ------------------------ */
872/*
873 * Wireless statistics (used for /proc/net/wireless)
874 */
875struct iw_statistics {
876 __u16 status; /* Status
877 * - device dependent for now */
878
879 struct iw_quality qual; /* Quality of the link
880 * (instant/mean/max) */
881 struct iw_discarded discard; /* Packet discarded counts */
882 struct iw_missed miss; /* Packet missed counts */
883};
884
885/* ------------------------ IOCTL REQUEST ------------------------ */
886/*
887 * This structure defines the payload of an ioctl, and is used
888 * below.
889 *
890 * Note that this structure should fit on the memory footprint
891 * of iwreq (which is the same as ifreq), which mean a max size of
892 * 16 octets = 128 bits. Warning, pointers might be 64 bits wide...
893 * You should check this when increasing the structures defined
894 * above in this file...
895 */
896union iwreq_data {
897 /* Config - generic */
898 char name[IFNAMSIZ];
899 /* Name : used to verify the presence of wireless extensions.
900 * Name of the protocol/provider... */
901
902 struct iw_point essid; /* Extended network name */
903 struct iw_param nwid; /* network id (or domain - the cell) */
904 struct iw_freq freq; /* frequency or channel :
905 * 0-1000 = channel
906 * > 1000 = frequency in Hz */
907
908 struct iw_param sens; /* signal level threshold */
909 struct iw_param bitrate; /* default bit rate */
910 struct iw_param txpower; /* default transmit power */
911 struct iw_param rts; /* RTS threshold threshold */
912 struct iw_param frag; /* Fragmentation threshold */
913 __u32 mode; /* Operation mode */
914 struct iw_param retry; /* Retry limits & lifetime */
915
916 struct iw_point encoding; /* Encoding stuff : tokens */
917 struct iw_param power; /* PM duration/timeout */
918 struct iw_quality qual; /* Quality part of statistics */
919
920 struct sockaddr ap_addr; /* Access point address */
921 struct sockaddr addr; /* Destination address (hw/mac) */
922
923 struct iw_param param; /* Other small parameters */
924 struct iw_point data; /* Other large parameters */
925};
926
927/*
928 * The structure to exchange data for ioctl.
929 * This structure is the same as 'struct ifreq', but (re)defined for
930 * convenience...
931 * Do I need to remind you about structure size (32 octets) ?
932 */
933struct iwreq {
934 union
935 {
936 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "eth0" */
937 } ifr_ifrn;
938
939 /* Data part (defined just above) */
940 union iwreq_data u;
941};
942
943/* -------------------------- IOCTL DATA -------------------------- */
944/*
945 * For those ioctl which want to exchange mode data that what could
946 * fit in the above structure...
947 */
948
949/*
950 * Range of parameters
951 */
952
953struct iw_range {
954 /* Informative stuff (to choose between different interface) */
955 __u32 throughput; /* To give an idea... */
956 /* In theory this value should be the maximum benchmarked
957 * TCP/IP throughput, because with most of these devices the
958 * bit rate is meaningless (overhead an co) to estimate how
959 * fast the connection will go and pick the fastest one.
960 * I suggest people to play with Netperf or any benchmark...
961 */
962
963 /* NWID (or domain id) */
964 __u32 min_nwid; /* Minimal NWID we are able to set */
965 __u32 max_nwid; /* Maximal NWID we are able to set */
966
967 /* Old Frequency (backward compat - moved lower ) */
968 __u16 old_num_channels;
969 __u8 old_num_frequency;
970
971 /* Scan capabilities */
972 __u8 scan_capa; /* IW_SCAN_CAPA_* bit field */
973
974 /* Wireless event capability bitmasks */
975 __u32 event_capa[6];
976
977 /* signal level threshold range */
978 __s32 sensitivity;
979
980 /* Quality of link & SNR stuff */
981 /* Quality range (link, level, noise)
982 * If the quality is absolute, it will be in the range [0 ; max_qual],
983 * if the quality is dBm, it will be in the range [max_qual ; 0].
984 * Don't forget that we use 8 bit arithmetics... */
985 struct iw_quality max_qual; /* Quality of the link */
986 /* This should contain the average/typical values of the quality
987 * indicator. This should be the threshold between a "good" and
988 * a "bad" link (example : monitor going from green to orange).
989 * Currently, user space apps like quality monitors don't have any
990 * way to calibrate the measurement. With this, they can split
991 * the range between 0 and max_qual in different quality level
992 * (using a geometric subdivision centered on the average).
993 * I expect that people doing the user space apps will feedback
994 * us on which value we need to put in each driver... */
995 struct iw_quality avg_qual; /* Quality of the link */
996
997 /* Rates */
998 __u8 num_bitrates; /* Number of entries in the list */
999 __s32 bitrate[IW_MAX_BITRATES]; /* list, in bps */
1000
1001 /* RTS threshold */
1002 __s32 min_rts; /* Minimal RTS threshold */
1003 __s32 max_rts; /* Maximal RTS threshold */
1004
1005 /* Frag threshold */
1006 __s32 min_frag; /* Minimal frag threshold */
1007 __s32 max_frag; /* Maximal frag threshold */
1008
1009 /* Power Management duration & timeout */
1010 __s32 min_pmp; /* Minimal PM period */
1011 __s32 max_pmp; /* Maximal PM period */
1012 __s32 min_pmt; /* Minimal PM timeout */
1013 __s32 max_pmt; /* Maximal PM timeout */
1014 __u16 pmp_flags; /* How to decode max/min PM period */
1015 __u16 pmt_flags; /* How to decode max/min PM timeout */
1016 __u16 pm_capa; /* What PM options are supported */
1017
1018 /* Encoder stuff */
1019 __u16 encoding_size[IW_MAX_ENCODING_SIZES]; /* Different token sizes */
1020 __u8 num_encoding_sizes; /* Number of entry in the list */
1021 __u8 max_encoding_tokens; /* Max number of tokens */
1022 /* For drivers that need a "login/passwd" form */
1023 __u8 encoding_login_index; /* token index for login token */
1024
1025 /* Transmit power */
1026 __u16 txpower_capa; /* What options are supported */
1027 __u8 num_txpower; /* Number of entries in the list */
1028 __s32 txpower[IW_MAX_TXPOWER]; /* list, in bps */
1029
1030 /* Wireless Extension version info */
1031 __u8 we_version_compiled; /* Must be WIRELESS_EXT */
1032 __u8 we_version_source; /* Last update of source */
1033
1034 /* Retry limits and lifetime */
1035 __u16 retry_capa; /* What retry options are supported */
1036 __u16 retry_flags; /* How to decode max/min retry limit */
1037 __u16 r_time_flags; /* How to decode max/min retry life */
1038 __s32 min_retry; /* Minimal number of retries */
1039 __s32 max_retry; /* Maximal number of retries */
1040 __s32 min_r_time; /* Minimal retry lifetime */
1041 __s32 max_r_time; /* Maximal retry lifetime */
1042
1043 /* Frequency */
1044 __u16 num_channels; /* Number of channels [0; num - 1] */
1045 __u8 num_frequency; /* Number of entry in the list */
1046 struct iw_freq freq[IW_MAX_FREQUENCIES]; /* list */
1047 /* Note : this frequency list doesn't need to fit channel numbers,
1048 * because each entry contain its channel index */
1049
1050 __u32 enc_capa; /* IW_ENC_CAPA_* bit field */
1051};
1052
1053/*
1054 * Private ioctl interface information
1055 */
1056
1057struct iw_priv_args {
1058 __u32 cmd; /* Number of the ioctl to issue */
1059 __u16 set_args; /* Type and number of args */
1060 __u16 get_args; /* Type and number of args */
1061 char name[IFNAMSIZ]; /* Name of the extension */
1062};
1063
1064/* ----------------------- WIRELESS EVENTS ----------------------- */
1065/*
1066 * Wireless events are carried through the rtnetlink socket to user
1067 * space. They are encapsulated in the IFLA_WIRELESS field of
1068 * a RTM_NEWLINK message.
1069 */
1070
1071/*
1072 * A Wireless Event. Contains basically the same data as the ioctl...
1073 */
1074struct iw_event {
1075 __u16 len; /* Real length of this stuff */
1076 __u16 cmd; /* Wireless IOCTL */
1077 union iwreq_data u; /* IOCTL fixed payload */
1078};
1079
1080/* Size of the Event prefix (including padding and alignement junk) */
1081#define IW_EV_LCP_LEN (sizeof(struct iw_event) - sizeof(union iwreq_data))
1082/* Size of the various events */
1083#define IW_EV_CHAR_LEN (IW_EV_LCP_LEN + IFNAMSIZ)
1084#define IW_EV_UINT_LEN (IW_EV_LCP_LEN + sizeof(__u32))
1085#define IW_EV_FREQ_LEN (IW_EV_LCP_LEN + sizeof(struct iw_freq))
1086#define IW_EV_PARAM_LEN (IW_EV_LCP_LEN + sizeof(struct iw_param))
1087#define IW_EV_ADDR_LEN (IW_EV_LCP_LEN + sizeof(struct sockaddr))
1088#define IW_EV_QUAL_LEN (IW_EV_LCP_LEN + sizeof(struct iw_quality))
1089
1090/* iw_point events are special. First, the payload (extra data) come at
1091 * the end of the event, so they are bigger than IW_EV_POINT_LEN. Second,
1092 * we omit the pointer, so start at an offset. */
1093#define IW_EV_POINT_OFF (((char *) &(((struct iw_point *) NULL)->length)) - \
1094 (char *) NULL)
1095#define IW_EV_POINT_LEN (IW_EV_LCP_LEN + sizeof(struct iw_point) - \
1096 IW_EV_POINT_OFF)
1097
1098
1099/* Size of the Event prefix when packed in stream */
1100#define IW_EV_LCP_PK_LEN (4)
1101/* Size of the various events when packed in stream */
1102#define IW_EV_CHAR_PK_LEN (IW_EV_LCP_PK_LEN + IFNAMSIZ)
1103#define IW_EV_UINT_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(__u32))
1104#define IW_EV_FREQ_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_freq))
1105#define IW_EV_PARAM_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_param))
1106#define IW_EV_ADDR_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct sockaddr))
1107#define IW_EV_QUAL_PK_LEN (IW_EV_LCP_PK_LEN + sizeof(struct iw_quality))
1108#define IW_EV_POINT_PK_LEN (IW_EV_LCP_PK_LEN + 4)
1109
1110#endif /* _LINUX_WIRELESS_H */
1111