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Johannes Berg704232c2007-04-23 12:20:05 -07001#ifndef __NET_CFG80211_H
2#define __NET_CFG80211_H
Johannes Bergd3236552009-04-20 14:31:42 +02003/*
4 * 802.11 device and configuration interface
5 *
Jouni Malinen026331c2010-02-15 12:53:10 +02006 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
Johannes Berg2740f0c2014-09-03 15:24:58 +03007 * Copyright 2013-2014 Intel Mobile Communications GmbH
Johannes Bergd3236552009-04-20 14:31:42 +02008 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
Johannes Berg704232c2007-04-23 12:20:05 -070013
Johannes Bergd3236552009-04-20 14:31:42 +020014#include <linux/netdevice.h>
15#include <linux/debugfs.h>
16#include <linux/list.h>
Paul Gortmaker187f1882011-11-23 20:12:59 -050017#include <linux/bug.h>
Johannes Berg704232c2007-04-23 12:20:05 -070018#include <linux/netlink.h>
19#include <linux/skbuff.h>
Johannes Berg55682962007-09-20 13:09:35 -040020#include <linux/nl80211.h>
Johannes Berg2a519312009-02-10 21:25:55 +010021#include <linux/if_ether.h>
22#include <linux/ieee80211.h>
Johannes Berg2a0e0472013-01-23 22:57:40 +010023#include <linux/net.h>
Johannes Bergd3236552009-04-20 14:31:42 +020024#include <net/regulatory.h>
25
Johannes Bergd70e9692010-08-19 16:11:27 +020026/**
27 * DOC: Introduction
28 *
29 * cfg80211 is the configuration API for 802.11 devices in Linux. It bridges
30 * userspace and drivers, and offers some utility functionality associated
31 * with 802.11. cfg80211 must, directly or indirectly via mac80211, be used
32 * by all modern wireless drivers in Linux, so that they offer a consistent
33 * API through nl80211. For backward compatibility, cfg80211 also offers
34 * wireless extensions to userspace, but hides them from drivers completely.
35 *
36 * Additionally, cfg80211 contains code to help enforce regulatory spectrum
37 * use restrictions.
38 */
39
40
41/**
42 * DOC: Device registration
43 *
44 * In order for a driver to use cfg80211, it must register the hardware device
45 * with cfg80211. This happens through a number of hardware capability structs
46 * described below.
47 *
48 * The fundamental structure for each device is the 'wiphy', of which each
49 * instance describes a physical wireless device connected to the system. Each
50 * such wiphy can have zero, one, or many virtual interfaces associated with
51 * it, which need to be identified as such by pointing the network interface's
52 * @ieee80211_ptr pointer to a &struct wireless_dev which further describes
53 * the wireless part of the interface, normally this struct is embedded in the
54 * network interface's private data area. Drivers can optionally allow creating
55 * or destroying virtual interfaces on the fly, but without at least one or the
56 * ability to create some the wireless device isn't useful.
57 *
58 * Each wiphy structure contains device capability information, and also has
59 * a pointer to the various operations the driver offers. The definitions and
60 * structures here describe these capabilities in detail.
61 */
62
Johannes Berg9f5e8f62012-11-22 16:59:45 +010063struct wiphy;
64
Johannes Berg704232c2007-04-23 12:20:05 -070065/*
Johannes Bergd3236552009-04-20 14:31:42 +020066 * wireless hardware capability structures
67 */
68
69/**
70 * enum ieee80211_band - supported frequency bands
Johannes Berg704232c2007-04-23 12:20:05 -070071 *
Johannes Bergd3236552009-04-20 14:31:42 +020072 * The bands are assigned this way because the supported
73 * bitrates differ in these bands.
74 *
75 * @IEEE80211_BAND_2GHZ: 2.4GHz ISM band
76 * @IEEE80211_BAND_5GHZ: around 5GHz band (4.9-5.7)
Vladimir Kondratiev3a0c52a2012-07-02 09:32:32 +030077 * @IEEE80211_BAND_60GHZ: around 60 GHz band (58.32 - 64.80 GHz)
Johannes Bergabe37c42010-06-07 11:12:27 +020078 * @IEEE80211_NUM_BANDS: number of defined bands
Johannes Bergd3236552009-04-20 14:31:42 +020079 */
80enum ieee80211_band {
Jouni Malinen13ae75b2009-12-29 12:59:45 +020081 IEEE80211_BAND_2GHZ = NL80211_BAND_2GHZ,
82 IEEE80211_BAND_5GHZ = NL80211_BAND_5GHZ,
Vladimir Kondratiev3a0c52a2012-07-02 09:32:32 +030083 IEEE80211_BAND_60GHZ = NL80211_BAND_60GHZ,
Johannes Bergd3236552009-04-20 14:31:42 +020084
85 /* keep last */
86 IEEE80211_NUM_BANDS
87};
88
89/**
90 * enum ieee80211_channel_flags - channel flags
91 *
92 * Channel flags set by the regulatory control code.
93 *
94 * @IEEE80211_CHAN_DISABLED: This channel is disabled.
Luis R. Rodriguez8fe02e12013-10-21 19:22:25 +020095 * @IEEE80211_CHAN_NO_IR: do not initiate radiation, this includes
96 * sending probe requests or beaconing.
Johannes Bergd3236552009-04-20 14:31:42 +020097 * @IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
Luis R. Rodriguez689da1b2009-05-02 00:37:18 -040098 * @IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
Johannes Bergd3236552009-04-20 14:31:42 +020099 * is not permitted.
Luis R. Rodriguez689da1b2009-05-02 00:37:18 -0400100 * @IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel
Johannes Bergd3236552009-04-20 14:31:42 +0200101 * is not permitted.
Seth Forshee03f6b082012-08-01 15:58:42 -0500102 * @IEEE80211_CHAN_NO_OFDM: OFDM is not allowed on this channel.
Johannes Bergc7a6ee22012-12-12 17:50:39 +0100103 * @IEEE80211_CHAN_NO_80MHZ: If the driver supports 80 MHz on the band,
104 * this flag indicates that an 80 MHz channel cannot use this
105 * channel as the control or any of the secondary channels.
106 * This may be due to the driver or due to regulatory bandwidth
107 * restrictions.
108 * @IEEE80211_CHAN_NO_160MHZ: If the driver supports 160 MHz on the band,
109 * this flag indicates that an 160 MHz channel cannot use this
110 * channel as the control or any of the secondary channels.
111 * This may be due to the driver or due to regulatory bandwidth
112 * restrictions.
David Spinadel570dbde2014-02-23 09:12:59 +0200113 * @IEEE80211_CHAN_INDOOR_ONLY: see %NL80211_FREQUENCY_ATTR_INDOOR_ONLY
Arik Nemtsov06f207f2015-05-06 16:28:31 +0300114 * @IEEE80211_CHAN_IR_CONCURRENT: see %NL80211_FREQUENCY_ATTR_IR_CONCURRENT
Rostislav Lisovyea077c12014-04-15 14:37:55 +0200115 * @IEEE80211_CHAN_NO_20MHZ: 20 MHz bandwidth is not permitted
116 * on this channel.
117 * @IEEE80211_CHAN_NO_10MHZ: 10 MHz bandwidth is not permitted
118 * on this channel.
David Spinadel570dbde2014-02-23 09:12:59 +0200119 *
Johannes Bergd3236552009-04-20 14:31:42 +0200120 */
121enum ieee80211_channel_flags {
122 IEEE80211_CHAN_DISABLED = 1<<0,
Luis R. Rodriguez8fe02e12013-10-21 19:22:25 +0200123 IEEE80211_CHAN_NO_IR = 1<<1,
124 /* hole at 1<<2 */
Johannes Bergd3236552009-04-20 14:31:42 +0200125 IEEE80211_CHAN_RADAR = 1<<3,
Luis R. Rodriguez689da1b2009-05-02 00:37:18 -0400126 IEEE80211_CHAN_NO_HT40PLUS = 1<<4,
127 IEEE80211_CHAN_NO_HT40MINUS = 1<<5,
Seth Forshee03f6b082012-08-01 15:58:42 -0500128 IEEE80211_CHAN_NO_OFDM = 1<<6,
Johannes Bergc7a6ee22012-12-12 17:50:39 +0100129 IEEE80211_CHAN_NO_80MHZ = 1<<7,
130 IEEE80211_CHAN_NO_160MHZ = 1<<8,
David Spinadel570dbde2014-02-23 09:12:59 +0200131 IEEE80211_CHAN_INDOOR_ONLY = 1<<9,
Arik Nemtsov06f207f2015-05-06 16:28:31 +0300132 IEEE80211_CHAN_IR_CONCURRENT = 1<<10,
Rostislav Lisovyea077c12014-04-15 14:37:55 +0200133 IEEE80211_CHAN_NO_20MHZ = 1<<11,
134 IEEE80211_CHAN_NO_10MHZ = 1<<12,
Johannes Bergd3236552009-04-20 14:31:42 +0200135};
136
Luis R. Rodriguez038659e2009-05-02 00:37:17 -0400137#define IEEE80211_CHAN_NO_HT40 \
Luis R. Rodriguez689da1b2009-05-02 00:37:18 -0400138 (IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
Luis R. Rodriguez038659e2009-05-02 00:37:17 -0400139
Simon Wunderlich04f39042013-02-08 18:16:19 +0100140#define IEEE80211_DFS_MIN_CAC_TIME_MS 60000
141#define IEEE80211_DFS_MIN_NOP_TIME_MS (30 * 60 * 1000)
142
Johannes Bergd3236552009-04-20 14:31:42 +0200143/**
144 * struct ieee80211_channel - channel definition
145 *
146 * This structure describes a single channel for use
147 * with cfg80211.
148 *
149 * @center_freq: center frequency in MHz
Johannes Bergd3236552009-04-20 14:31:42 +0200150 * @hw_value: hardware-specific value for the channel
151 * @flags: channel flags from &enum ieee80211_channel_flags.
152 * @orig_flags: channel flags at registration time, used by regulatory
153 * code to support devices with additional restrictions
154 * @band: band this channel belongs to.
155 * @max_antenna_gain: maximum antenna gain in dBi
156 * @max_power: maximum transmission power (in dBm)
Hong Wueccc0682012-01-11 20:33:39 +0200157 * @max_reg_power: maximum regulatory transmission power (in dBm)
Johannes Bergd3236552009-04-20 14:31:42 +0200158 * @beacon_found: helper to regulatory code to indicate when a beacon
159 * has been found on this channel. Use regulatory_hint_found_beacon()
Walter Goldens77c20612010-05-18 04:44:54 -0700160 * to enable this, this is useful only on 5 GHz band.
Johannes Bergd3236552009-04-20 14:31:42 +0200161 * @orig_mag: internal use
162 * @orig_mpwr: internal use
Simon Wunderlich04f39042013-02-08 18:16:19 +0100163 * @dfs_state: current state of this channel. Only relevant if radar is required
164 * on this channel.
165 * @dfs_state_entered: timestamp (jiffies) when the dfs state was entered.
Janusz Dziedzic089027e2014-02-21 19:46:12 +0100166 * @dfs_cac_ms: DFS CAC time in milliseconds, this is valid for DFS channels.
Johannes Bergd3236552009-04-20 14:31:42 +0200167 */
168struct ieee80211_channel {
169 enum ieee80211_band band;
170 u16 center_freq;
Johannes Bergd3236552009-04-20 14:31:42 +0200171 u16 hw_value;
172 u32 flags;
173 int max_antenna_gain;
174 int max_power;
Hong Wueccc0682012-01-11 20:33:39 +0200175 int max_reg_power;
Johannes Bergd3236552009-04-20 14:31:42 +0200176 bool beacon_found;
177 u32 orig_flags;
178 int orig_mag, orig_mpwr;
Simon Wunderlich04f39042013-02-08 18:16:19 +0100179 enum nl80211_dfs_state dfs_state;
180 unsigned long dfs_state_entered;
Janusz Dziedzic089027e2014-02-21 19:46:12 +0100181 unsigned int dfs_cac_ms;
Johannes Bergd3236552009-04-20 14:31:42 +0200182};
183
184/**
185 * enum ieee80211_rate_flags - rate flags
186 *
187 * Hardware/specification flags for rates. These are structured
188 * in a way that allows using the same bitrate structure for
189 * different bands/PHY modes.
190 *
191 * @IEEE80211_RATE_SHORT_PREAMBLE: Hardware can send with short
192 * preamble on this bitrate; only relevant in 2.4GHz band and
193 * with CCK rates.
194 * @IEEE80211_RATE_MANDATORY_A: This bitrate is a mandatory rate
195 * when used with 802.11a (on the 5 GHz band); filled by the
196 * core code when registering the wiphy.
197 * @IEEE80211_RATE_MANDATORY_B: This bitrate is a mandatory rate
198 * when used with 802.11b (on the 2.4 GHz band); filled by the
199 * core code when registering the wiphy.
200 * @IEEE80211_RATE_MANDATORY_G: This bitrate is a mandatory rate
201 * when used with 802.11g (on the 2.4 GHz band); filled by the
202 * core code when registering the wiphy.
203 * @IEEE80211_RATE_ERP_G: This is an ERP rate in 802.11g mode.
Simon Wunderlich30e74732013-05-16 13:00:29 +0200204 * @IEEE80211_RATE_SUPPORTS_5MHZ: Rate can be used in 5 MHz mode
205 * @IEEE80211_RATE_SUPPORTS_10MHZ: Rate can be used in 10 MHz mode
Johannes Bergd3236552009-04-20 14:31:42 +0200206 */
207enum ieee80211_rate_flags {
208 IEEE80211_RATE_SHORT_PREAMBLE = 1<<0,
209 IEEE80211_RATE_MANDATORY_A = 1<<1,
210 IEEE80211_RATE_MANDATORY_B = 1<<2,
211 IEEE80211_RATE_MANDATORY_G = 1<<3,
212 IEEE80211_RATE_ERP_G = 1<<4,
Simon Wunderlich30e74732013-05-16 13:00:29 +0200213 IEEE80211_RATE_SUPPORTS_5MHZ = 1<<5,
214 IEEE80211_RATE_SUPPORTS_10MHZ = 1<<6,
Johannes Bergd3236552009-04-20 14:31:42 +0200215};
216
217/**
Dedy Lansky6eb18132015-02-08 15:52:03 +0200218 * enum ieee80211_bss_type - BSS type filter
219 *
220 * @IEEE80211_BSS_TYPE_ESS: Infrastructure BSS
221 * @IEEE80211_BSS_TYPE_PBSS: Personal BSS
222 * @IEEE80211_BSS_TYPE_IBSS: Independent BSS
223 * @IEEE80211_BSS_TYPE_MBSS: Mesh BSS
224 * @IEEE80211_BSS_TYPE_ANY: Wildcard value for matching any BSS type
225 */
226enum ieee80211_bss_type {
227 IEEE80211_BSS_TYPE_ESS,
228 IEEE80211_BSS_TYPE_PBSS,
229 IEEE80211_BSS_TYPE_IBSS,
230 IEEE80211_BSS_TYPE_MBSS,
231 IEEE80211_BSS_TYPE_ANY
232};
233
234/**
235 * enum ieee80211_privacy - BSS privacy filter
236 *
237 * @IEEE80211_PRIVACY_ON: privacy bit set
238 * @IEEE80211_PRIVACY_OFF: privacy bit clear
239 * @IEEE80211_PRIVACY_ANY: Wildcard value for matching any privacy setting
240 */
241enum ieee80211_privacy {
242 IEEE80211_PRIVACY_ON,
243 IEEE80211_PRIVACY_OFF,
244 IEEE80211_PRIVACY_ANY
245};
246
247#define IEEE80211_PRIVACY(x) \
248 ((x) ? IEEE80211_PRIVACY_ON : IEEE80211_PRIVACY_OFF)
249
250/**
Johannes Bergd3236552009-04-20 14:31:42 +0200251 * struct ieee80211_rate - bitrate definition
252 *
253 * This structure describes a bitrate that an 802.11 PHY can
254 * operate with. The two values @hw_value and @hw_value_short
255 * are only for driver use when pointers to this structure are
256 * passed around.
257 *
258 * @flags: rate-specific flags
259 * @bitrate: bitrate in units of 100 Kbps
260 * @hw_value: driver/hardware value for this rate
261 * @hw_value_short: driver/hardware value for this rate when
262 * short preamble is used
263 */
264struct ieee80211_rate {
265 u32 flags;
266 u16 bitrate;
267 u16 hw_value, hw_value_short;
268};
269
270/**
271 * struct ieee80211_sta_ht_cap - STA's HT capabilities
272 *
273 * This structure describes most essential parameters needed
274 * to describe 802.11n HT capabilities for an STA.
275 *
276 * @ht_supported: is HT supported by the STA
277 * @cap: HT capabilities map as described in 802.11n spec
278 * @ampdu_factor: Maximum A-MPDU length factor
279 * @ampdu_density: Minimum A-MPDU spacing
280 * @mcs: Supported MCS rates
281 */
282struct ieee80211_sta_ht_cap {
283 u16 cap; /* use IEEE80211_HT_CAP_ */
284 bool ht_supported;
285 u8 ampdu_factor;
286 u8 ampdu_density;
287 struct ieee80211_mcs_info mcs;
288};
289
290/**
Mahesh Palivelabf0c111e2012-06-22 07:27:46 +0000291 * struct ieee80211_sta_vht_cap - STA's VHT capabilities
292 *
293 * This structure describes most essential parameters needed
294 * to describe 802.11ac VHT capabilities for an STA.
295 *
296 * @vht_supported: is VHT supported by the STA
297 * @cap: VHT capabilities map as described in 802.11ac spec
298 * @vht_mcs: Supported VHT MCS rates
299 */
300struct ieee80211_sta_vht_cap {
301 bool vht_supported;
302 u32 cap; /* use IEEE80211_VHT_CAP_ */
303 struct ieee80211_vht_mcs_info vht_mcs;
304};
305
306/**
Johannes Bergd3236552009-04-20 14:31:42 +0200307 * struct ieee80211_supported_band - frequency band definition
308 *
309 * This structure describes a frequency band a wiphy
310 * is able to operate in.
311 *
312 * @channels: Array of channels the hardware can operate in
313 * in this band.
314 * @band: the band this structure represents
315 * @n_channels: Number of channels in @channels
316 * @bitrates: Array of bitrates the hardware can operate with
317 * in this band. Must be sorted to give a valid "supported
318 * rates" IE, i.e. CCK rates first, then OFDM.
319 * @n_bitrates: Number of bitrates in @bitrates
Johannes Bergabe37c42010-06-07 11:12:27 +0200320 * @ht_cap: HT capabilities in this band
Robert P. J. Dayc9a0a302012-08-26 14:21:47 -0400321 * @vht_cap: VHT capabilities in this band
Johannes Bergd3236552009-04-20 14:31:42 +0200322 */
323struct ieee80211_supported_band {
324 struct ieee80211_channel *channels;
325 struct ieee80211_rate *bitrates;
326 enum ieee80211_band band;
327 int n_channels;
328 int n_bitrates;
329 struct ieee80211_sta_ht_cap ht_cap;
Mahesh Palivelabf0c111e2012-06-22 07:27:46 +0000330 struct ieee80211_sta_vht_cap vht_cap;
Johannes Bergd3236552009-04-20 14:31:42 +0200331};
332
333/*
334 * Wireless hardware/device configuration structures and methods
Johannes Berg704232c2007-04-23 12:20:05 -0700335 */
336
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +0100337/**
Johannes Bergd70e9692010-08-19 16:11:27 +0200338 * DOC: Actions and configuration
339 *
340 * Each wireless device and each virtual interface offer a set of configuration
341 * operations and other actions that are invoked by userspace. Each of these
342 * actions is described in the operations structure, and the parameters these
343 * operations use are described separately.
344 *
345 * Additionally, some operations are asynchronous and expect to get status
346 * information via some functions that drivers need to call.
347 *
348 * Scanning and BSS list handling with its associated functionality is described
349 * in a separate chapter.
350 */
351
352/**
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +0100353 * struct vif_params - describes virtual interface parameters
Felix Fietkau8b787642009-11-10 18:53:10 +0100354 * @use_4addr: use 4-address frames
Ben Greeare8f479b2014-10-22 12:23:05 -0700355 * @macaddr: address to use for this virtual interface.
356 * If this parameter is set to zero address the driver may
357 * determine the address as needed.
358 * This feature is only fully supported by drivers that enable the
359 * %NL80211_FEATURE_MAC_ON_CREATE flag. Others may support creating
360 ** only p2p devices with specified MAC.
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +0100361 */
362struct vif_params {
Felix Fietkau8b787642009-11-10 18:53:10 +0100363 int use_4addr;
Arend van Spriel1c18f142013-01-08 10:17:27 +0100364 u8 macaddr[ETH_ALEN];
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +0100365};
366
Andy Green179f8312007-07-10 19:29:38 +0200367/**
Johannes Berg41ade002007-12-19 02:03:29 +0100368 * struct key_params - key information
369 *
370 * Information about a key
371 *
372 * @key: key material
373 * @key_len: length of key material
374 * @cipher: cipher suite selector
375 * @seq: sequence counter (IV/PN) for TKIP and CCMP keys, only used
376 * with the get_key() callback, must be in little endian,
377 * length given by @seq_len.
Johannes Bergabe37c42010-06-07 11:12:27 +0200378 * @seq_len: length of @seq.
Johannes Berg41ade002007-12-19 02:03:29 +0100379 */
380struct key_params {
Johannes Bergc1e5f472014-05-19 17:53:16 +0200381 const u8 *key;
382 const u8 *seq;
Johannes Berg41ade002007-12-19 02:03:29 +0100383 int key_len;
384 int seq_len;
385 u32 cipher;
386};
387
Johannes Berged1b6cc2007-12-19 02:03:32 +0100388/**
Johannes Berg683b6d32012-11-08 21:25:48 +0100389 * struct cfg80211_chan_def - channel definition
390 * @chan: the (control) channel
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100391 * @width: channel width
392 * @center_freq1: center frequency of first segment
393 * @center_freq2: center frequency of second segment
394 * (only with 80+80 MHz)
Johannes Berg683b6d32012-11-08 21:25:48 +0100395 */
396struct cfg80211_chan_def {
397 struct ieee80211_channel *chan;
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100398 enum nl80211_chan_width width;
399 u32 center_freq1;
400 u32 center_freq2;
Johannes Berg683b6d32012-11-08 21:25:48 +0100401};
402
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100403/**
404 * cfg80211_get_chandef_type - return old channel type from chandef
405 * @chandef: the channel definition
406 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +0100407 * Return: The old channel type (NOHT, HT20, HT40+/-) from a given
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100408 * chandef, which must have a bandwidth allowing this conversion.
409 */
Johannes Berg683b6d32012-11-08 21:25:48 +0100410static inline enum nl80211_channel_type
411cfg80211_get_chandef_type(const struct cfg80211_chan_def *chandef)
412{
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100413 switch (chandef->width) {
414 case NL80211_CHAN_WIDTH_20_NOHT:
415 return NL80211_CHAN_NO_HT;
416 case NL80211_CHAN_WIDTH_20:
417 return NL80211_CHAN_HT20;
418 case NL80211_CHAN_WIDTH_40:
419 if (chandef->center_freq1 > chandef->chan->center_freq)
420 return NL80211_CHAN_HT40PLUS;
421 return NL80211_CHAN_HT40MINUS;
422 default:
423 WARN_ON(1);
424 return NL80211_CHAN_NO_HT;
425 }
Johannes Berg683b6d32012-11-08 21:25:48 +0100426}
427
428/**
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100429 * cfg80211_chandef_create - create channel definition using channel type
430 * @chandef: the channel definition struct to fill
431 * @channel: the control channel
432 * @chantype: the channel type
433 *
434 * Given a channel type, create a channel definition.
435 */
436void cfg80211_chandef_create(struct cfg80211_chan_def *chandef,
437 struct ieee80211_channel *channel,
438 enum nl80211_channel_type chantype);
439
440/**
441 * cfg80211_chandef_identical - check if two channel definitions are identical
442 * @chandef1: first channel definition
443 * @chandef2: second channel definition
444 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +0100445 * Return: %true if the channels defined by the channel definitions are
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100446 * identical, %false otherwise.
447 */
448static inline bool
449cfg80211_chandef_identical(const struct cfg80211_chan_def *chandef1,
450 const struct cfg80211_chan_def *chandef2)
451{
452 return (chandef1->chan == chandef2->chan &&
453 chandef1->width == chandef2->width &&
454 chandef1->center_freq1 == chandef2->center_freq1 &&
455 chandef1->center_freq2 == chandef2->center_freq2);
456}
457
458/**
459 * cfg80211_chandef_compatible - check if two channel definitions are compatible
460 * @chandef1: first channel definition
461 * @chandef2: second channel definition
462 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +0100463 * Return: %NULL if the given channel definitions are incompatible,
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100464 * chandef1 or chandef2 otherwise.
465 */
466const struct cfg80211_chan_def *
467cfg80211_chandef_compatible(const struct cfg80211_chan_def *chandef1,
468 const struct cfg80211_chan_def *chandef2);
469
470/**
Johannes Berg9f5e8f62012-11-22 16:59:45 +0100471 * cfg80211_chandef_valid - check if a channel definition is valid
472 * @chandef: the channel definition to check
Yacine Belkadi0ae997d2013-01-12 13:54:14 +0100473 * Return: %true if the channel definition is valid. %false otherwise.
Johannes Berg9f5e8f62012-11-22 16:59:45 +0100474 */
475bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef);
476
477/**
478 * cfg80211_chandef_usable - check if secondary channels can be used
479 * @wiphy: the wiphy to validate against
480 * @chandef: the channel definition to check
Yacine Belkadi0ae997d2013-01-12 13:54:14 +0100481 * @prohibited_flags: the regulatory channel flags that must not be set
482 * Return: %true if secondary channels are usable. %false otherwise.
Johannes Berg9f5e8f62012-11-22 16:59:45 +0100483 */
484bool cfg80211_chandef_usable(struct wiphy *wiphy,
485 const struct cfg80211_chan_def *chandef,
486 u32 prohibited_flags);
487
488/**
Simon Wunderlich774f0732013-08-28 13:41:28 +0200489 * cfg80211_chandef_dfs_required - checks if radar detection is required
490 * @wiphy: the wiphy to validate against
491 * @chandef: the channel definition to check
Luciano Coelho2beb6dab2014-02-18 11:40:36 +0200492 * @iftype: the interface type as specified in &enum nl80211_iftype
493 * Returns:
494 * 1 if radar detection is required, 0 if it is not, < 0 on error
Simon Wunderlich774f0732013-08-28 13:41:28 +0200495 */
496int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
Luciano Coelho2beb6dab2014-02-18 11:40:36 +0200497 const struct cfg80211_chan_def *chandef,
Luciano Coelhoc3d62032014-05-07 19:07:05 +0300498 enum nl80211_iftype iftype);
Simon Wunderlich774f0732013-08-28 13:41:28 +0200499
500/**
Simon Wunderlich30e74732013-05-16 13:00:29 +0200501 * ieee80211_chandef_rate_flags - returns rate flags for a channel
502 *
503 * In some channel types, not all rates may be used - for example CCK
504 * rates may not be used in 5/10 MHz channels.
505 *
506 * @chandef: channel definition for the channel
507 *
508 * Returns: rate flags which apply for this channel
509 */
510static inline enum ieee80211_rate_flags
511ieee80211_chandef_rate_flags(struct cfg80211_chan_def *chandef)
512{
513 switch (chandef->width) {
514 case NL80211_CHAN_WIDTH_5:
515 return IEEE80211_RATE_SUPPORTS_5MHZ;
516 case NL80211_CHAN_WIDTH_10:
517 return IEEE80211_RATE_SUPPORTS_10MHZ;
518 default:
519 break;
520 }
521 return 0;
522}
523
524/**
Simon Wunderlich0430c882013-07-08 16:55:55 +0200525 * ieee80211_chandef_max_power - maximum transmission power for the chandef
526 *
527 * In some regulations, the transmit power may depend on the configured channel
528 * bandwidth which may be defined as dBm/MHz. This function returns the actual
529 * max_power for non-standard (20 MHz) channels.
530 *
531 * @chandef: channel definition for the channel
532 *
533 * Returns: maximum allowed transmission power in dBm for the chandef
534 */
535static inline int
536ieee80211_chandef_max_power(struct cfg80211_chan_def *chandef)
537{
538 switch (chandef->width) {
539 case NL80211_CHAN_WIDTH_5:
540 return min(chandef->chan->max_reg_power - 6,
541 chandef->chan->max_power);
542 case NL80211_CHAN_WIDTH_10:
543 return min(chandef->chan->max_reg_power - 3,
544 chandef->chan->max_power);
545 default:
546 break;
547 }
548 return chandef->chan->max_power;
549}
550
551/**
Holger Schurig61fa7132009-11-11 12:25:40 +0100552 * enum survey_info_flags - survey information flags
553 *
Johannes Bergabe37c42010-06-07 11:12:27 +0200554 * @SURVEY_INFO_NOISE_DBM: noise (in dBm) was filled in
Felix Fietkau17e5a802010-09-29 17:15:30 +0200555 * @SURVEY_INFO_IN_USE: channel is currently being used
Johannes Berg4ed20be2014-11-14 16:35:34 +0100556 * @SURVEY_INFO_TIME: active time (in ms) was filled in
557 * @SURVEY_INFO_TIME_BUSY: busy time was filled in
558 * @SURVEY_INFO_TIME_EXT_BUSY: extension channel busy time was filled in
559 * @SURVEY_INFO_TIME_RX: receive time was filled in
560 * @SURVEY_INFO_TIME_TX: transmit time was filled in
Johannes Berg052536a2014-11-14 16:44:11 +0100561 * @SURVEY_INFO_TIME_SCAN: scan time was filled in
Johannes Bergabe37c42010-06-07 11:12:27 +0200562 *
Holger Schurig61fa7132009-11-11 12:25:40 +0100563 * Used by the driver to indicate which info in &struct survey_info
564 * it has filled in during the get_survey().
565 */
566enum survey_info_flags {
Johannes Berg4ed20be2014-11-14 16:35:34 +0100567 SURVEY_INFO_NOISE_DBM = BIT(0),
568 SURVEY_INFO_IN_USE = BIT(1),
569 SURVEY_INFO_TIME = BIT(2),
570 SURVEY_INFO_TIME_BUSY = BIT(3),
571 SURVEY_INFO_TIME_EXT_BUSY = BIT(4),
572 SURVEY_INFO_TIME_RX = BIT(5),
573 SURVEY_INFO_TIME_TX = BIT(6),
Johannes Berg052536a2014-11-14 16:44:11 +0100574 SURVEY_INFO_TIME_SCAN = BIT(7),
Holger Schurig61fa7132009-11-11 12:25:40 +0100575};
576
577/**
578 * struct survey_info - channel survey response
579 *
Johannes Berg11f78ac2014-11-14 16:43:50 +0100580 * @channel: the channel this survey record reports, may be %NULL for a single
581 * record to report global statistics
Holger Schurig61fa7132009-11-11 12:25:40 +0100582 * @filled: bitflag of flags from &enum survey_info_flags
583 * @noise: channel noise in dBm. This and all following fields are
Johannes Bergad24b0d2013-07-05 11:53:28 +0200584 * optional
Johannes Berg4ed20be2014-11-14 16:35:34 +0100585 * @time: amount of time in ms the radio was turn on (on the channel)
586 * @time_busy: amount of time the primary channel was sensed busy
587 * @time_ext_busy: amount of time the extension channel was sensed busy
588 * @time_rx: amount of time the radio spent receiving data
589 * @time_tx: amount of time the radio spent transmitting data
Johannes Berg052536a2014-11-14 16:44:11 +0100590 * @time_scan: amount of time the radio spent for scanning
Holger Schurig61fa7132009-11-11 12:25:40 +0100591 *
Johannes Bergabe37c42010-06-07 11:12:27 +0200592 * Used by dump_survey() to report back per-channel survey information.
593 *
Holger Schurig61fa7132009-11-11 12:25:40 +0100594 * This structure can later be expanded with things like
595 * channel duty cycle etc.
596 */
597struct survey_info {
598 struct ieee80211_channel *channel;
Johannes Berg4ed20be2014-11-14 16:35:34 +0100599 u64 time;
600 u64 time_busy;
601 u64 time_ext_busy;
602 u64 time_rx;
603 u64 time_tx;
Johannes Berg052536a2014-11-14 16:44:11 +0100604 u64 time_scan;
Holger Schurig61fa7132009-11-11 12:25:40 +0100605 u32 filled;
606 s8 noise;
607};
608
609/**
Jouni Malinen5fb628e2011-08-10 23:54:35 +0300610 * struct cfg80211_crypto_settings - Crypto settings
611 * @wpa_versions: indicates which, if any, WPA versions are enabled
612 * (from enum nl80211_wpa_versions)
613 * @cipher_group: group key cipher suite (or 0 if unset)
614 * @n_ciphers_pairwise: number of AP supported unicast ciphers
615 * @ciphers_pairwise: unicast key cipher suites
616 * @n_akm_suites: number of AKM suites
617 * @akm_suites: AKM suites
618 * @control_port: Whether user space controls IEEE 802.1X port, i.e.,
619 * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is
620 * required to assume that the port is unauthorized until authorized by
621 * user space. Otherwise, port is marked authorized by default.
622 * @control_port_ethertype: the control port protocol that should be
623 * allowed through even on unauthorized ports
624 * @control_port_no_encrypt: TRUE to prevent encryption of control port
625 * protocol frames.
626 */
627struct cfg80211_crypto_settings {
628 u32 wpa_versions;
629 u32 cipher_group;
630 int n_ciphers_pairwise;
631 u32 ciphers_pairwise[NL80211_MAX_NR_CIPHER_SUITES];
632 int n_akm_suites;
633 u32 akm_suites[NL80211_MAX_NR_AKM_SUITES];
634 bool control_port;
635 __be16 control_port_ethertype;
636 bool control_port_no_encrypt;
637};
638
639/**
Johannes Berg88600202012-02-13 15:17:18 +0100640 * struct cfg80211_beacon_data - beacon data
Johannes Berged1b6cc2007-12-19 02:03:32 +0100641 * @head: head portion of beacon (before TIM IE)
Johannes Bergad24b0d2013-07-05 11:53:28 +0200642 * or %NULL if not changed
Johannes Berged1b6cc2007-12-19 02:03:32 +0100643 * @tail: tail portion of beacon (after TIM IE)
Johannes Bergad24b0d2013-07-05 11:53:28 +0200644 * or %NULL if not changed
Johannes Berged1b6cc2007-12-19 02:03:32 +0100645 * @head_len: length of @head
646 * @tail_len: length of @tail
Jouni Malinen9946ecf2011-08-10 23:55:56 +0300647 * @beacon_ies: extra information element(s) to add into Beacon frames or %NULL
648 * @beacon_ies_len: length of beacon_ies in octets
649 * @proberesp_ies: extra information element(s) to add into Probe Response
650 * frames or %NULL
651 * @proberesp_ies_len: length of proberesp_ies in octets
652 * @assocresp_ies: extra information element(s) to add into (Re)Association
653 * Response frames or %NULL
654 * @assocresp_ies_len: length of assocresp_ies in octets
Arik Nemtsov00f740e2011-11-10 11:28:56 +0200655 * @probe_resp_len: length of probe response template (@probe_resp)
656 * @probe_resp: probe response template (AP mode only)
Johannes Berged1b6cc2007-12-19 02:03:32 +0100657 */
Johannes Berg88600202012-02-13 15:17:18 +0100658struct cfg80211_beacon_data {
659 const u8 *head, *tail;
660 const u8 *beacon_ies;
661 const u8 *proberesp_ies;
662 const u8 *assocresp_ies;
663 const u8 *probe_resp;
664
665 size_t head_len, tail_len;
666 size_t beacon_ies_len;
667 size_t proberesp_ies_len;
668 size_t assocresp_ies_len;
669 size_t probe_resp_len;
670};
671
Vasanthakumar Thiagarajan6d45a742013-01-18 11:18:44 +0530672struct mac_address {
673 u8 addr[ETH_ALEN];
674};
675
Johannes Berg88600202012-02-13 15:17:18 +0100676/**
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +0530677 * struct cfg80211_acl_data - Access control list data
678 *
679 * @acl_policy: ACL policy to be applied on the station's
Johannes Berg077f8972013-02-08 09:06:36 +0100680 * entry specified by mac_addr
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +0530681 * @n_acl_entries: Number of MAC address entries passed
682 * @mac_addrs: List of MAC addresses of stations to be used for ACL
683 */
684struct cfg80211_acl_data {
685 enum nl80211_acl_policy acl_policy;
686 int n_acl_entries;
687
688 /* Keep it last */
689 struct mac_address mac_addrs[];
690};
691
Johannes Berg88600202012-02-13 15:17:18 +0100692/**
693 * struct cfg80211_ap_settings - AP configuration
694 *
695 * Used to configure an AP interface.
696 *
Johannes Berg683b6d32012-11-08 21:25:48 +0100697 * @chandef: defines the channel to use
Johannes Berg88600202012-02-13 15:17:18 +0100698 * @beacon: beacon data
699 * @beacon_interval: beacon interval
700 * @dtim_period: DTIM period
701 * @ssid: SSID to be used in the BSS (note: may be %NULL if not provided from
702 * user space)
703 * @ssid_len: length of @ssid
704 * @hidden_ssid: whether to hide the SSID in Beacon/Probe Response frames
705 * @crypto: crypto settings
706 * @privacy: the BSS uses privacy
707 * @auth_type: Authentication type (algorithm)
Eliad Peller18998c32014-09-10 14:07:34 +0300708 * @smps_mode: SMPS mode
Vasanthakumar Thiagarajan1b658f12012-03-02 15:50:02 +0530709 * @inactivity_timeout: time in seconds to determine station's inactivity.
Johannes Berg53cabad2012-11-14 15:17:28 +0100710 * @p2p_ctwindow: P2P CT Window
711 * @p2p_opp_ps: P2P opportunistic PS
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +0530712 * @acl: ACL configuration used by the drivers which has support for
713 * MAC address based access control
Johannes Berg88600202012-02-13 15:17:18 +0100714 */
715struct cfg80211_ap_settings {
Johannes Berg683b6d32012-11-08 21:25:48 +0100716 struct cfg80211_chan_def chandef;
Johannes Bergaa430da2012-05-16 23:50:18 +0200717
Johannes Berg88600202012-02-13 15:17:18 +0100718 struct cfg80211_beacon_data beacon;
719
720 int beacon_interval, dtim_period;
Jouni Malinen32e9de82011-08-10 23:53:31 +0300721 const u8 *ssid;
722 size_t ssid_len;
723 enum nl80211_hidden_ssid hidden_ssid;
Jouni Malinen5fb628e2011-08-10 23:54:35 +0300724 struct cfg80211_crypto_settings crypto;
725 bool privacy;
726 enum nl80211_auth_type auth_type;
Eliad Peller18998c32014-09-10 14:07:34 +0300727 enum nl80211_smps_mode smps_mode;
Vasanthakumar Thiagarajan1b658f12012-03-02 15:50:02 +0530728 int inactivity_timeout;
Johannes Berg53cabad2012-11-14 15:17:28 +0100729 u8 p2p_ctwindow;
730 bool p2p_opp_ps;
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +0530731 const struct cfg80211_acl_data *acl;
Johannes Berged1b6cc2007-12-19 02:03:32 +0100732};
733
Johannes Berg5727ef12007-12-19 02:03:34 +0100734/**
Simon Wunderlich16ef1fe2013-07-11 16:09:05 +0200735 * struct cfg80211_csa_settings - channel switch settings
736 *
737 * Used for channel switch
738 *
739 * @chandef: defines the channel to use after the switch
740 * @beacon_csa: beacon data while performing the switch
Andrei Otcheretianski9a774c72014-05-09 14:11:46 +0300741 * @counter_offsets_beacon: offsets of the counters within the beacon (tail)
742 * @counter_offsets_presp: offsets of the counters within the probe response
743 * @n_counter_offsets_beacon: number of csa counters the beacon (tail)
744 * @n_counter_offsets_presp: number of csa counters in the probe response
Simon Wunderlich16ef1fe2013-07-11 16:09:05 +0200745 * @beacon_after: beacon data to be used on the new channel
746 * @radar_required: whether radar detection is required on the new channel
747 * @block_tx: whether transmissions should be blocked while changing
748 * @count: number of beacons until switch
749 */
750struct cfg80211_csa_settings {
751 struct cfg80211_chan_def chandef;
752 struct cfg80211_beacon_data beacon_csa;
Andrei Otcheretianski9a774c72014-05-09 14:11:46 +0300753 const u16 *counter_offsets_beacon;
754 const u16 *counter_offsets_presp;
755 unsigned int n_counter_offsets_beacon;
756 unsigned int n_counter_offsets_presp;
Simon Wunderlich16ef1fe2013-07-11 16:09:05 +0200757 struct cfg80211_beacon_data beacon_after;
758 bool radar_required;
759 bool block_tx;
760 u8 count;
761};
762
763/**
Johannes Berg3b9ce802011-09-27 20:56:12 +0200764 * enum station_parameters_apply_mask - station parameter values to apply
765 * @STATION_PARAM_APPLY_UAPSD: apply new uAPSD parameters (uapsd_queues, max_sp)
Jouni Malinen9d62a982013-02-14 21:10:13 +0200766 * @STATION_PARAM_APPLY_CAPABILITY: apply new capability
Johannes Bergf8bacc22013-02-14 23:27:01 +0100767 * @STATION_PARAM_APPLY_PLINK_STATE: apply new plink state
Johannes Berg3b9ce802011-09-27 20:56:12 +0200768 *
769 * Not all station parameters have in-band "no change" signalling,
770 * for those that don't these flags will are used.
771 */
772enum station_parameters_apply_mask {
773 STATION_PARAM_APPLY_UAPSD = BIT(0),
Jouni Malinen9d62a982013-02-14 21:10:13 +0200774 STATION_PARAM_APPLY_CAPABILITY = BIT(1),
Johannes Bergf8bacc22013-02-14 23:27:01 +0100775 STATION_PARAM_APPLY_PLINK_STATE = BIT(2),
Johannes Berg3b9ce802011-09-27 20:56:12 +0200776};
777
778/**
Johannes Berg5727ef12007-12-19 02:03:34 +0100779 * struct station_parameters - station parameters
780 *
781 * Used to change and create a new station.
782 *
783 * @vlan: vlan interface station should belong to
784 * @supported_rates: supported rates in IEEE 802.11 format
785 * (or NULL for no change)
786 * @supported_rates_len: number of supported rates
Johannes Bergeccb8e82009-05-11 21:57:56 +0300787 * @sta_flags_mask: station flags that changed
788 * (bitmask of BIT(NL80211_STA_FLAG_...))
789 * @sta_flags_set: station flags values
790 * (bitmask of BIT(NL80211_STA_FLAG_...))
Johannes Berg5727ef12007-12-19 02:03:34 +0100791 * @listen_interval: listen interval or -1 for no change
792 * @aid: AID or zero for no change
Johannes Bergabe37c42010-06-07 11:12:27 +0200793 * @plink_action: plink action to take
Javier Cardona9c3990a2011-05-03 16:57:11 -0700794 * @plink_state: set the peer link state for a station
Johannes Bergabe37c42010-06-07 11:12:27 +0200795 * @ht_capa: HT capabilities of station
Mahesh Palivelaf461be3e2012-10-11 08:04:52 +0000796 * @vht_capa: VHT capabilities of station
Eliad Peller910868d2011-09-11 09:46:55 +0300797 * @uapsd_queues: bitmap of queues configured for uapsd. same format
798 * as the AC bitmap in the QoS info field
799 * @max_sp: max Service Period. same format as the MAX_SP in the
800 * QoS info field (but already shifted down)
Johannes Bergc26887d2011-11-08 09:20:07 +0100801 * @sta_modify_mask: bitmap indicating which parameters changed
802 * (for those that don't have a natural "no change" value),
803 * see &enum station_parameters_apply_mask
Marco Porsch3b1c5a52013-01-07 16:04:52 +0100804 * @local_pm: local link-specific mesh power save mode (no change when set
805 * to unknown)
Jouni Malinen9d62a982013-02-14 21:10:13 +0200806 * @capability: station capability
807 * @ext_capab: extended capabilities of the station
808 * @ext_capab_len: number of extended capabilities
Sunil Duttc01fc9a2013-10-09 20:45:21 +0530809 * @supported_channels: supported channels in IEEE 802.11 format
810 * @supported_channels_len: number of supported channels
811 * @supported_oper_classes: supported oper classes in IEEE 802.11 format
812 * @supported_oper_classes_len: number of supported operating classes
Marek Kwaczynski60f4a7b2013-12-03 10:04:59 +0100813 * @opmode_notif: operating mode field from Operating Mode Notification
814 * @opmode_notif_used: information if operating mode field is used
Johannes Berg5727ef12007-12-19 02:03:34 +0100815 */
816struct station_parameters {
Johannes Berg2c1aabf2013-02-14 23:33:40 +0100817 const u8 *supported_rates;
Johannes Berg5727ef12007-12-19 02:03:34 +0100818 struct net_device *vlan;
Johannes Bergeccb8e82009-05-11 21:57:56 +0300819 u32 sta_flags_mask, sta_flags_set;
Johannes Berg3b9ce802011-09-27 20:56:12 +0200820 u32 sta_modify_mask;
Johannes Berg5727ef12007-12-19 02:03:34 +0100821 int listen_interval;
822 u16 aid;
823 u8 supported_rates_len;
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +0100824 u8 plink_action;
Javier Cardona9c3990a2011-05-03 16:57:11 -0700825 u8 plink_state;
Johannes Berg2c1aabf2013-02-14 23:33:40 +0100826 const struct ieee80211_ht_cap *ht_capa;
827 const struct ieee80211_vht_cap *vht_capa;
Eliad Pellerc75786c2011-08-23 14:37:46 +0300828 u8 uapsd_queues;
829 u8 max_sp;
Marco Porsch3b1c5a52013-01-07 16:04:52 +0100830 enum nl80211_mesh_power_mode local_pm;
Jouni Malinen9d62a982013-02-14 21:10:13 +0200831 u16 capability;
Johannes Berg2c1aabf2013-02-14 23:33:40 +0100832 const u8 *ext_capab;
Jouni Malinen9d62a982013-02-14 21:10:13 +0200833 u8 ext_capab_len;
Sunil Duttc01fc9a2013-10-09 20:45:21 +0530834 const u8 *supported_channels;
835 u8 supported_channels_len;
836 const u8 *supported_oper_classes;
837 u8 supported_oper_classes_len;
Marek Kwaczynski60f4a7b2013-12-03 10:04:59 +0100838 u8 opmode_notif;
839 bool opmode_notif_used;
Johannes Berg5727ef12007-12-19 02:03:34 +0100840};
841
Johannes Bergfd5b74d2007-12-19 02:03:36 +0100842/**
Jouni Malinen89c771e2014-10-10 20:52:40 +0300843 * struct station_del_parameters - station deletion parameters
844 *
845 * Used to delete a station entry (or all stations).
846 *
847 * @mac: MAC address of the station to remove or NULL to remove all stations
Jouni Malinen98856862014-10-20 13:20:45 +0300848 * @subtype: Management frame subtype to use for indicating removal
849 * (10 = Disassociation, 12 = Deauthentication)
850 * @reason_code: Reason code for the Disassociation/Deauthentication frame
Jouni Malinen89c771e2014-10-10 20:52:40 +0300851 */
852struct station_del_parameters {
853 const u8 *mac;
Jouni Malinen98856862014-10-20 13:20:45 +0300854 u8 subtype;
855 u16 reason_code;
Jouni Malinen89c771e2014-10-10 20:52:40 +0300856};
857
858/**
Johannes Berg77ee7c82013-02-15 00:48:33 +0100859 * enum cfg80211_station_type - the type of station being modified
860 * @CFG80211_STA_AP_CLIENT: client of an AP interface
Ayala Beker47edb112015-09-21 15:49:53 +0300861 * @CFG80211_STA_AP_CLIENT_UNASSOC: client of an AP interface that is still
862 * unassociated (update properties for this type of client is permitted)
Johannes Berg77ee7c82013-02-15 00:48:33 +0100863 * @CFG80211_STA_AP_MLME_CLIENT: client of an AP interface that has
864 * the AP MLME in the device
865 * @CFG80211_STA_AP_STA: AP station on managed interface
866 * @CFG80211_STA_IBSS: IBSS station
867 * @CFG80211_STA_TDLS_PEER_SETUP: TDLS peer on managed interface (dummy entry
868 * while TDLS setup is in progress, it moves out of this state when
869 * being marked authorized; use this only if TDLS with external setup is
870 * supported/used)
871 * @CFG80211_STA_TDLS_PEER_ACTIVE: TDLS peer on managed interface (active
872 * entry that is operating, has been marked authorized by userspace)
Thomas Pederseneef941e2013-03-04 13:06:11 -0800873 * @CFG80211_STA_MESH_PEER_KERNEL: peer on mesh interface (kernel managed)
874 * @CFG80211_STA_MESH_PEER_USER: peer on mesh interface (user managed)
Johannes Berg77ee7c82013-02-15 00:48:33 +0100875 */
876enum cfg80211_station_type {
877 CFG80211_STA_AP_CLIENT,
Ayala Beker47edb112015-09-21 15:49:53 +0300878 CFG80211_STA_AP_CLIENT_UNASSOC,
Johannes Berg77ee7c82013-02-15 00:48:33 +0100879 CFG80211_STA_AP_MLME_CLIENT,
880 CFG80211_STA_AP_STA,
881 CFG80211_STA_IBSS,
882 CFG80211_STA_TDLS_PEER_SETUP,
883 CFG80211_STA_TDLS_PEER_ACTIVE,
Thomas Pederseneef941e2013-03-04 13:06:11 -0800884 CFG80211_STA_MESH_PEER_KERNEL,
885 CFG80211_STA_MESH_PEER_USER,
Johannes Berg77ee7c82013-02-15 00:48:33 +0100886};
887
888/**
889 * cfg80211_check_station_change - validate parameter changes
890 * @wiphy: the wiphy this operates on
891 * @params: the new parameters for a station
892 * @statype: the type of station being modified
893 *
894 * Utility function for the @change_station driver method. Call this function
895 * with the appropriate station type looking up the station (and checking that
896 * it exists). It will verify whether the station change is acceptable, and if
897 * not will return an error code. Note that it may modify the parameters for
898 * backward compatibility reasons, so don't use them before calling this.
899 */
900int cfg80211_check_station_change(struct wiphy *wiphy,
901 struct station_parameters *params,
902 enum cfg80211_station_type statype);
903
904/**
Henning Rogge420e7fa2008-12-11 22:04:19 +0100905 * enum station_info_rate_flags - bitrate info flags
906 *
907 * Used by the driver to indicate the specific rate transmission
908 * type for 802.11n transmissions.
909 *
Johannes Bergdb9c64c2012-11-09 14:56:41 +0100910 * @RATE_INFO_FLAGS_MCS: mcs field filled with HT MCS
911 * @RATE_INFO_FLAGS_VHT_MCS: mcs field filled with VHT MCS
Henning Rogge420e7fa2008-12-11 22:04:19 +0100912 * @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval
Johannes Bergdb9c64c2012-11-09 14:56:41 +0100913 * @RATE_INFO_FLAGS_60G: 60GHz MCS
Henning Rogge420e7fa2008-12-11 22:04:19 +0100914 */
915enum rate_info_flags {
Johannes Bergdb9c64c2012-11-09 14:56:41 +0100916 RATE_INFO_FLAGS_MCS = BIT(0),
917 RATE_INFO_FLAGS_VHT_MCS = BIT(1),
Johannes Bergb51f3be2015-01-15 16:14:02 +0100918 RATE_INFO_FLAGS_SHORT_GI = BIT(2),
919 RATE_INFO_FLAGS_60G = BIT(3),
920};
921
922/**
923 * enum rate_info_bw - rate bandwidth information
924 *
925 * Used by the driver to indicate the rate bandwidth.
926 *
927 * @RATE_INFO_BW_5: 5 MHz bandwidth
928 * @RATE_INFO_BW_10: 10 MHz bandwidth
929 * @RATE_INFO_BW_20: 20 MHz bandwidth
930 * @RATE_INFO_BW_40: 40 MHz bandwidth
931 * @RATE_INFO_BW_80: 80 MHz bandwidth
932 * @RATE_INFO_BW_160: 160 MHz bandwidth
933 */
934enum rate_info_bw {
935 RATE_INFO_BW_5,
936 RATE_INFO_BW_10,
937 RATE_INFO_BW_20,
938 RATE_INFO_BW_40,
939 RATE_INFO_BW_80,
940 RATE_INFO_BW_160,
Henning Rogge420e7fa2008-12-11 22:04:19 +0100941};
942
943/**
944 * struct rate_info - bitrate information
945 *
946 * Information about a receiving or transmitting bitrate
947 *
948 * @flags: bitflag of flags from &enum rate_info_flags
949 * @mcs: mcs index if struct describes a 802.11n bitrate
950 * @legacy: bitrate in 100kbit/s for 802.11abg
Johannes Bergdb9c64c2012-11-09 14:56:41 +0100951 * @nss: number of streams (VHT only)
Johannes Bergb51f3be2015-01-15 16:14:02 +0100952 * @bw: bandwidth (from &enum rate_info_bw)
Henning Rogge420e7fa2008-12-11 22:04:19 +0100953 */
954struct rate_info {
955 u8 flags;
956 u8 mcs;
957 u16 legacy;
Johannes Bergdb9c64c2012-11-09 14:56:41 +0100958 u8 nss;
Johannes Bergb51f3be2015-01-15 16:14:02 +0100959 u8 bw;
Johannes Bergfd5b74d2007-12-19 02:03:36 +0100960};
961
962/**
Paul Stewartf4263c92011-03-31 09:25:41 -0700963 * enum station_info_rate_flags - bitrate info flags
964 *
965 * Used by the driver to indicate the specific rate transmission
966 * type for 802.11n transmissions.
967 *
968 * @BSS_PARAM_FLAGS_CTS_PROT: whether CTS protection is enabled
969 * @BSS_PARAM_FLAGS_SHORT_PREAMBLE: whether short preamble is enabled
970 * @BSS_PARAM_FLAGS_SHORT_SLOT_TIME: whether short slot time is enabled
971 */
972enum bss_param_flags {
973 BSS_PARAM_FLAGS_CTS_PROT = 1<<0,
974 BSS_PARAM_FLAGS_SHORT_PREAMBLE = 1<<1,
975 BSS_PARAM_FLAGS_SHORT_SLOT_TIME = 1<<2,
976};
977
978/**
979 * struct sta_bss_parameters - BSS parameters for the attached station
980 *
981 * Information about the currently associated BSS
982 *
983 * @flags: bitflag of flags from &enum bss_param_flags
984 * @dtim_period: DTIM period for the BSS
985 * @beacon_interval: beacon interval
986 */
987struct sta_bss_parameters {
988 u8 flags;
989 u8 dtim_period;
990 u16 beacon_interval;
991};
992
Johannes Berg6de39802014-12-19 12:34:00 +0100993/**
994 * struct cfg80211_tid_stats - per-TID statistics
995 * @filled: bitmap of flags using the bits of &enum nl80211_tid_stats to
996 * indicate the relevant values in this struct are filled
997 * @rx_msdu: number of received MSDUs
998 * @tx_msdu: number of (attempted) transmitted MSDUs
999 * @tx_msdu_retries: number of retries (not counting the first) for
1000 * transmitted MSDUs
1001 * @tx_msdu_failed: number of failed transmitted MSDUs
1002 */
1003struct cfg80211_tid_stats {
1004 u32 filled;
1005 u64 rx_msdu;
1006 u64 tx_msdu;
1007 u64 tx_msdu_retries;
1008 u64 tx_msdu_failed;
1009};
1010
Felix Fietkau119363c2013-04-22 16:29:30 +02001011#define IEEE80211_MAX_CHAINS 4
1012
Paul Stewartf4263c92011-03-31 09:25:41 -07001013/**
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001014 * struct station_info - station information
Johannes Bergfd5b74d2007-12-19 02:03:36 +01001015 *
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001016 * Station information filled by driver for get_station() and dump_station.
Johannes Bergfd5b74d2007-12-19 02:03:36 +01001017 *
Johannes Berg319090b2014-11-17 14:08:11 +01001018 * @filled: bitflag of flags using the bits of &enum nl80211_sta_info to
1019 * indicate the relevant values in this struct for them
Mohammed Shafi Shajakhanebe27c92011-04-08 21:24:24 +05301020 * @connected_time: time(in secs) since a station is last connected
Johannes Bergfd5b74d2007-12-19 02:03:36 +01001021 * @inactive_time: time since last station activity (tx/rx) in milliseconds
Johannes Berg8d791362014-11-21 12:40:05 +01001022 * @rx_bytes: bytes (size of MPDUs) received from this station
1023 * @tx_bytes: bytes (size of MPDUs) transmitted to this station
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001024 * @llid: mesh local link id
1025 * @plid: mesh peer link id
1026 * @plink_state: mesh peer link state
Johannes Berg73c3df32012-06-13 11:17:14 +02001027 * @signal: The signal strength, type depends on the wiphy's signal_type.
1028 * For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
1029 * @signal_avg: Average signal strength, type depends on the wiphy's signal_type.
1030 * For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
Felix Fietkau119363c2013-04-22 16:29:30 +02001031 * @chains: bitmask for filled values in @chain_signal, @chain_signal_avg
1032 * @chain_signal: per-chain signal strength of last received packet in dBm
1033 * @chain_signal_avg: per-chain signal strength average in dBm
Randy Dunlap858022a2011-03-18 09:33:02 -07001034 * @txrate: current unicast bitrate from this station
1035 * @rxrate: current unicast bitrate to this station
Johannes Berg8d791362014-11-21 12:40:05 +01001036 * @rx_packets: packets (MSDUs & MMPDUs) received from this station
1037 * @tx_packets: packets (MSDUs & MMPDUs) transmitted to this station
1038 * @tx_retries: cumulative retry counts (MPDUs)
1039 * @tx_failed: number of failed transmissions (MPDUs) (retries exceeded, no ACK)
Ben Greear5a5c7312010-10-07 16:39:20 -07001040 * @rx_dropped_misc: Dropped for un-specified reason.
Randy Dunlap1ba01452011-05-22 17:16:20 -07001041 * @bss_param: current BSS parameters
Johannes Bergf5ea9122009-08-07 16:17:38 +02001042 * @generation: generation number for nl80211 dumps.
1043 * This number should increase every time the list of stations
1044 * changes, i.e. when a station is added or removed, so that
1045 * userspace can tell whether it got a consistent snapshot.
Jouni Malinen50d3dfb2011-08-08 12:11:52 +03001046 * @assoc_req_ies: IEs from (Re)Association Request.
1047 * This is used only when in AP mode with drivers that do not use
1048 * user space MLME/SME implementation. The information is provided for
1049 * the cfg80211_new_sta() calls to notify user space of the IEs.
1050 * @assoc_req_ies_len: Length of assoc_req_ies buffer in octets.
Johannes Bergc26887d2011-11-08 09:20:07 +01001051 * @sta_flags: station flags mask & values
Paul Stewarta85e1d52011-12-09 11:01:49 -08001052 * @beacon_loss_count: Number of times beacon loss event has triggered.
Javier Cardonad299a1f2012-03-31 11:31:33 -07001053 * @t_offset: Time offset of the station relative to this host.
Marco Porsch3b1c5a52013-01-07 16:04:52 +01001054 * @local_pm: local mesh STA power save mode
1055 * @peer_pm: peer mesh STA power save mode
1056 * @nonpeer_pm: non-peer mesh STA power save mode
Antonio Quartulli867d8492014-05-19 21:53:19 +02001057 * @expected_throughput: expected throughput in kbps (including 802.11 headers)
1058 * towards this station.
Johannes Berga76b1942014-11-17 14:12:22 +01001059 * @rx_beacon: number of beacons received from this peer
1060 * @rx_beacon_signal_avg: signal strength average (in dBm) for beacons received
1061 * from this peer
Johannes Berg6de39802014-12-19 12:34:00 +01001062 * @pertid: per-TID statistics, see &struct cfg80211_tid_stats, using the last
1063 * (IEEE80211_NUM_TIDS) index for MSDUs not encapsulated in QoS-MPDUs.
Johannes Bergfd5b74d2007-12-19 02:03:36 +01001064 */
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001065struct station_info {
Johannes Bergfd5b74d2007-12-19 02:03:36 +01001066 u32 filled;
Mohammed Shafi Shajakhanebe27c92011-04-08 21:24:24 +05301067 u32 connected_time;
Johannes Bergfd5b74d2007-12-19 02:03:36 +01001068 u32 inactive_time;
Vladimir Kondratiev42745e02013-02-04 13:53:11 +02001069 u64 rx_bytes;
1070 u64 tx_bytes;
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001071 u16 llid;
1072 u16 plid;
1073 u8 plink_state;
Henning Rogge420e7fa2008-12-11 22:04:19 +01001074 s8 signal;
Bruno Randolf541a45a2010-12-02 19:12:43 +09001075 s8 signal_avg;
Felix Fietkau119363c2013-04-22 16:29:30 +02001076
1077 u8 chains;
1078 s8 chain_signal[IEEE80211_MAX_CHAINS];
1079 s8 chain_signal_avg[IEEE80211_MAX_CHAINS];
1080
Henning Rogge420e7fa2008-12-11 22:04:19 +01001081 struct rate_info txrate;
Felix Fietkauc8dcfd82011-02-27 22:08:00 +01001082 struct rate_info rxrate;
Jouni Malinen98c8a60a2009-02-17 13:24:57 +02001083 u32 rx_packets;
1084 u32 tx_packets;
Bruno Randolfb206b4e2010-10-06 18:34:12 +09001085 u32 tx_retries;
1086 u32 tx_failed;
Ben Greear5a5c7312010-10-07 16:39:20 -07001087 u32 rx_dropped_misc;
Paul Stewartf4263c92011-03-31 09:25:41 -07001088 struct sta_bss_parameters bss_param;
Helmut Schaabb6e7532011-10-13 16:30:39 +02001089 struct nl80211_sta_flag_update sta_flags;
Johannes Bergf5ea9122009-08-07 16:17:38 +02001090
1091 int generation;
Jouni Malinen50d3dfb2011-08-08 12:11:52 +03001092
1093 const u8 *assoc_req_ies;
1094 size_t assoc_req_ies_len;
Jouni Malinenf612ced2011-08-11 11:46:22 +03001095
Paul Stewarta85e1d52011-12-09 11:01:49 -08001096 u32 beacon_loss_count;
Javier Cardonad299a1f2012-03-31 11:31:33 -07001097 s64 t_offset;
Marco Porsch3b1c5a52013-01-07 16:04:52 +01001098 enum nl80211_mesh_power_mode local_pm;
1099 enum nl80211_mesh_power_mode peer_pm;
1100 enum nl80211_mesh_power_mode nonpeer_pm;
Paul Stewarta85e1d52011-12-09 11:01:49 -08001101
Antonio Quartulli867d8492014-05-19 21:53:19 +02001102 u32 expected_throughput;
Johannes Berga76b1942014-11-17 14:12:22 +01001103
1104 u64 rx_beacon;
1105 u8 rx_beacon_signal_avg;
Johannes Berg6de39802014-12-19 12:34:00 +01001106 struct cfg80211_tid_stats pertid[IEEE80211_NUM_TIDS + 1];
Johannes Bergfd5b74d2007-12-19 02:03:36 +01001107};
1108
Michael Wu66f7ac52008-01-31 19:48:22 +01001109/**
Antonio Quartulli74063532014-05-19 21:53:21 +02001110 * cfg80211_get_station - retrieve information about a given station
1111 * @dev: the device where the station is supposed to be connected to
1112 * @mac_addr: the mac address of the station of interest
1113 * @sinfo: pointer to the structure to fill with the information
1114 *
1115 * Returns 0 on success and sinfo is filled with the available information
1116 * otherwise returns a negative error code and the content of sinfo has to be
1117 * considered undefined.
1118 */
1119int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr,
1120 struct station_info *sinfo);
1121
1122/**
Michael Wu66f7ac52008-01-31 19:48:22 +01001123 * enum monitor_flags - monitor flags
1124 *
1125 * Monitor interface configuration flags. Note that these must be the bits
1126 * according to the nl80211 flags.
1127 *
1128 * @MONITOR_FLAG_FCSFAIL: pass frames with bad FCS
1129 * @MONITOR_FLAG_PLCPFAIL: pass frames with bad PLCP
1130 * @MONITOR_FLAG_CONTROL: pass control frames
1131 * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering
1132 * @MONITOR_FLAG_COOK_FRAMES: report frames after processing
Felix Fietkaue057d3c2013-05-28 13:01:52 +02001133 * @MONITOR_FLAG_ACTIVE: active monitor, ACKs frames on its MAC address
Michael Wu66f7ac52008-01-31 19:48:22 +01001134 */
1135enum monitor_flags {
1136 MONITOR_FLAG_FCSFAIL = 1<<NL80211_MNTR_FLAG_FCSFAIL,
1137 MONITOR_FLAG_PLCPFAIL = 1<<NL80211_MNTR_FLAG_PLCPFAIL,
1138 MONITOR_FLAG_CONTROL = 1<<NL80211_MNTR_FLAG_CONTROL,
1139 MONITOR_FLAG_OTHER_BSS = 1<<NL80211_MNTR_FLAG_OTHER_BSS,
1140 MONITOR_FLAG_COOK_FRAMES = 1<<NL80211_MNTR_FLAG_COOK_FRAMES,
Felix Fietkaue057d3c2013-05-28 13:01:52 +02001141 MONITOR_FLAG_ACTIVE = 1<<NL80211_MNTR_FLAG_ACTIVE,
Michael Wu66f7ac52008-01-31 19:48:22 +01001142};
1143
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001144/**
1145 * enum mpath_info_flags - mesh path information flags
1146 *
1147 * Used by the driver to indicate which info in &struct mpath_info it has filled
1148 * in during get_station() or dump_station().
1149 *
Johannes Bergabe37c42010-06-07 11:12:27 +02001150 * @MPATH_INFO_FRAME_QLEN: @frame_qlen filled
1151 * @MPATH_INFO_SN: @sn filled
1152 * @MPATH_INFO_METRIC: @metric filled
1153 * @MPATH_INFO_EXPTIME: @exptime filled
1154 * @MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled
1155 * @MPATH_INFO_DISCOVERY_RETRIES: @discovery_retries filled
1156 * @MPATH_INFO_FLAGS: @flags filled
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001157 */
1158enum mpath_info_flags {
1159 MPATH_INFO_FRAME_QLEN = BIT(0),
Rui Paulod19b3bf2009-11-09 23:46:55 +00001160 MPATH_INFO_SN = BIT(1),
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001161 MPATH_INFO_METRIC = BIT(2),
1162 MPATH_INFO_EXPTIME = BIT(3),
1163 MPATH_INFO_DISCOVERY_TIMEOUT = BIT(4),
1164 MPATH_INFO_DISCOVERY_RETRIES = BIT(5),
1165 MPATH_INFO_FLAGS = BIT(6),
1166};
1167
1168/**
1169 * struct mpath_info - mesh path information
1170 *
1171 * Mesh path information filled by driver for get_mpath() and dump_mpath().
1172 *
1173 * @filled: bitfield of flags from &enum mpath_info_flags
1174 * @frame_qlen: number of queued frames for this destination
Rui Paulod19b3bf2009-11-09 23:46:55 +00001175 * @sn: target sequence number
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001176 * @metric: metric (cost) of this mesh path
1177 * @exptime: expiration time for the mesh path from now, in msecs
1178 * @flags: mesh path flags
1179 * @discovery_timeout: total mesh path discovery timeout, in msecs
1180 * @discovery_retries: mesh path discovery retries
Johannes Bergf5ea9122009-08-07 16:17:38 +02001181 * @generation: generation number for nl80211 dumps.
1182 * This number should increase every time the list of mesh paths
1183 * changes, i.e. when a station is added or removed, so that
1184 * userspace can tell whether it got a consistent snapshot.
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001185 */
1186struct mpath_info {
1187 u32 filled;
1188 u32 frame_qlen;
Rui Paulod19b3bf2009-11-09 23:46:55 +00001189 u32 sn;
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001190 u32 metric;
1191 u32 exptime;
1192 u32 discovery_timeout;
1193 u8 discovery_retries;
1194 u8 flags;
Johannes Bergf5ea9122009-08-07 16:17:38 +02001195
1196 int generation;
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001197};
1198
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001199/**
1200 * struct bss_parameters - BSS parameters
1201 *
1202 * Used to change BSS parameters (mainly for AP mode).
1203 *
1204 * @use_cts_prot: Whether to use CTS protection
1205 * (0 = no, 1 = yes, -1 = do not change)
1206 * @use_short_preamble: Whether the use of short preambles is allowed
1207 * (0 = no, 1 = yes, -1 = do not change)
1208 * @use_short_slot_time: Whether the use of short slot time is allowed
1209 * (0 = no, 1 = yes, -1 = do not change)
Jouni Malinen90c97a02008-10-30 16:59:22 +02001210 * @basic_rates: basic rates in IEEE 802.11 format
1211 * (or NULL for no change)
1212 * @basic_rates_len: number of basic rates
Felix Fietkaufd8aaaf2010-04-27 01:23:35 +02001213 * @ap_isolate: do not forward packets between connected stations
Helmut Schaa50b12f52010-11-19 12:40:25 +01001214 * @ht_opmode: HT Operation mode
1215 * (u16 = opmode, -1 = do not change)
Johannes Berg53cabad2012-11-14 15:17:28 +01001216 * @p2p_ctwindow: P2P CT Window (-1 = no change)
1217 * @p2p_opp_ps: P2P opportunistic PS (-1 = no change)
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001218 */
1219struct bss_parameters {
1220 int use_cts_prot;
1221 int use_short_preamble;
1222 int use_short_slot_time;
Johannes Bergc1e5f472014-05-19 17:53:16 +02001223 const u8 *basic_rates;
Jouni Malinen90c97a02008-10-30 16:59:22 +02001224 u8 basic_rates_len;
Felix Fietkaufd8aaaf2010-04-27 01:23:35 +02001225 int ap_isolate;
Helmut Schaa50b12f52010-11-19 12:40:25 +01001226 int ht_opmode;
Johannes Berg53cabad2012-11-14 15:17:28 +01001227 s8 p2p_ctwindow, p2p_opp_ps;
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001228};
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001229
Chun-Yeow Yeoh3ddd53f2012-06-11 11:59:10 +08001230/**
Johannes Berg29cbe682010-12-03 09:20:44 +01001231 * struct mesh_config - 802.11s mesh configuration
1232 *
1233 * These parameters can be changed while the mesh is active.
Chun-Yeow Yeoh3ddd53f2012-06-11 11:59:10 +08001234 *
1235 * @dot11MeshRetryTimeout: the initial retry timeout in millisecond units used
1236 * by the Mesh Peering Open message
1237 * @dot11MeshConfirmTimeout: the initial retry timeout in millisecond units
1238 * used by the Mesh Peering Open message
1239 * @dot11MeshHoldingTimeout: the confirm timeout in millisecond units used by
1240 * the mesh peering management to close a mesh peering
1241 * @dot11MeshMaxPeerLinks: the maximum number of peer links allowed on this
1242 * mesh interface
1243 * @dot11MeshMaxRetries: the maximum number of peer link open retries that can
1244 * be sent to establish a new peer link instance in a mesh
1245 * @dot11MeshTTL: the value of TTL field set at a source mesh STA
1246 * @element_ttl: the value of TTL field set at a mesh STA for path selection
1247 * elements
1248 * @auto_open_plinks: whether we should automatically open peer links when we
1249 * detect compatible mesh peers
1250 * @dot11MeshNbrOffsetMaxNeighbor: the maximum number of neighbors to
1251 * synchronize to for 11s default synchronization method
1252 * @dot11MeshHWMPmaxPREQretries: the number of action frames containing a PREQ
1253 * that an originator mesh STA can send to a particular path target
1254 * @path_refresh_time: how frequently to refresh mesh paths in milliseconds
1255 * @min_discovery_timeout: the minimum length of time to wait until giving up on
1256 * a path discovery in milliseconds
1257 * @dot11MeshHWMPactivePathTimeout: the time (in TUs) for which mesh STAs
1258 * receiving a PREQ shall consider the forwarding information from the
1259 * root to be valid. (TU = time unit)
1260 * @dot11MeshHWMPpreqMinInterval: the minimum interval of time (in TUs) during
1261 * which a mesh STA can send only one action frame containing a PREQ
1262 * element
1263 * @dot11MeshHWMPperrMinInterval: the minimum interval of time (in TUs) during
1264 * which a mesh STA can send only one Action frame containing a PERR
1265 * element
1266 * @dot11MeshHWMPnetDiameterTraversalTime: the interval of time (in TUs) that
1267 * it takes for an HWMP information element to propagate across the mesh
1268 * @dot11MeshHWMPRootMode: the configuration of a mesh STA as root mesh STA
1269 * @dot11MeshHWMPRannInterval: the interval of time (in TUs) between root
1270 * announcements are transmitted
1271 * @dot11MeshGateAnnouncementProtocol: whether to advertise that this mesh
1272 * station has access to a broader network beyond the MBSS. (This is
1273 * missnamed in draft 12.0: dot11MeshGateAnnouncementProtocol set to true
1274 * only means that the station will announce others it's a mesh gate, but
1275 * not necessarily using the gate announcement protocol. Still keeping the
1276 * same nomenclature to be in sync with the spec)
1277 * @dot11MeshForwarding: whether the Mesh STA is forwarding or non-forwarding
1278 * entity (default is TRUE - forwarding entity)
1279 * @rssi_threshold: the threshold for average signal strength of candidate
1280 * station to establish a peer link
1281 * @ht_opmode: mesh HT protection mode
Chun-Yeow Yeohac1073a2012-06-14 02:06:06 +08001282 *
1283 * @dot11MeshHWMPactivePathToRootTimeout: The time (in TUs) for which mesh STAs
1284 * receiving a proactive PREQ shall consider the forwarding information to
1285 * the root mesh STA to be valid.
1286 *
1287 * @dot11MeshHWMProotInterval: The interval of time (in TUs) between proactive
1288 * PREQs are transmitted.
Chun-Yeow Yeoh728b19e2012-06-14 02:06:10 +08001289 * @dot11MeshHWMPconfirmationInterval: The minimum interval of time (in TUs)
1290 * during which a mesh STA can send only one Action frame containing
1291 * a PREQ element for root path confirmation.
Marco Porsch3b1c5a52013-01-07 16:04:52 +01001292 * @power_mode: The default mesh power save mode which will be the initial
1293 * setting for new peer links.
1294 * @dot11MeshAwakeWindowDuration: The duration in TUs the STA will remain awake
1295 * after transmitting its beacon.
Colleen Twitty8e7c0532013-06-03 09:53:39 -07001296 * @plink_timeout: If no tx activity is seen from a STA we've established
1297 * peering with for longer than this time (in seconds), then remove it
1298 * from the STA's list of peers. Default is 30 minutes.
Johannes Berg29cbe682010-12-03 09:20:44 +01001299 */
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001300struct mesh_config {
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001301 u16 dot11MeshRetryTimeout;
1302 u16 dot11MeshConfirmTimeout;
1303 u16 dot11MeshHoldingTimeout;
1304 u16 dot11MeshMaxPeerLinks;
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +08001305 u8 dot11MeshMaxRetries;
1306 u8 dot11MeshTTL;
1307 u8 element_ttl;
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001308 bool auto_open_plinks;
Javier Cardonad299a1f2012-03-31 11:31:33 -07001309 u32 dot11MeshNbrOffsetMaxNeighbor;
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +08001310 u8 dot11MeshHWMPmaxPREQretries;
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001311 u32 path_refresh_time;
1312 u16 min_discovery_timeout;
1313 u32 dot11MeshHWMPactivePathTimeout;
1314 u16 dot11MeshHWMPpreqMinInterval;
Thomas Pedersendca7e942011-11-24 17:15:24 -08001315 u16 dot11MeshHWMPperrMinInterval;
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001316 u16 dot11MeshHWMPnetDiameterTraversalTime;
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +08001317 u8 dot11MeshHWMPRootMode;
Javier Cardona0507e152011-08-09 16:45:10 -07001318 u16 dot11MeshHWMPRannInterval;
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +08001319 bool dot11MeshGateAnnouncementProtocol;
Chun-Yeow Yeoh94f90652012-01-21 01:02:16 +08001320 bool dot11MeshForwarding;
Ashok Nagarajan55335132012-02-28 17:04:08 -08001321 s32 rssi_threshold;
Ashok Nagarajan70c33ea2012-04-30 14:20:32 -07001322 u16 ht_opmode;
Chun-Yeow Yeohac1073a2012-06-14 02:06:06 +08001323 u32 dot11MeshHWMPactivePathToRootTimeout;
1324 u16 dot11MeshHWMProotInterval;
Chun-Yeow Yeoh728b19e2012-06-14 02:06:10 +08001325 u16 dot11MeshHWMPconfirmationInterval;
Marco Porsch3b1c5a52013-01-07 16:04:52 +01001326 enum nl80211_mesh_power_mode power_mode;
1327 u16 dot11MeshAwakeWindowDuration;
Colleen Twitty8e7c0532013-06-03 09:53:39 -07001328 u32 plink_timeout;
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001329};
1330
Jouni Malinen31888482008-10-30 16:59:24 +02001331/**
Johannes Berg29cbe682010-12-03 09:20:44 +01001332 * struct mesh_setup - 802.11s mesh setup configuration
Johannes Berg683b6d32012-11-08 21:25:48 +01001333 * @chandef: defines the channel to use
Johannes Berg29cbe682010-12-03 09:20:44 +01001334 * @mesh_id: the mesh ID
1335 * @mesh_id_len: length of the mesh ID, at least 1 and at most 32 bytes
Javier Cardonad299a1f2012-03-31 11:31:33 -07001336 * @sync_method: which synchronization method to use
Javier Cardonac80d5452010-12-16 17:37:49 -08001337 * @path_sel_proto: which path selection protocol to use
1338 * @path_metric: which metric to use
Colleen Twitty6e16d902013-05-08 11:45:59 -07001339 * @auth_id: which authentication method this mesh is using
Javier Cardona581a8b02011-04-07 15:08:27 -07001340 * @ie: vendor information elements (optional)
1341 * @ie_len: length of vendor information elements
Javier Cardonab130e5c2011-05-03 16:57:07 -07001342 * @is_authenticated: this mesh requires authentication
1343 * @is_secure: this mesh uses security
Thomas Pedersenbb2798d2013-03-04 13:06:10 -08001344 * @user_mpm: userspace handles all MPM functions
Marco Porsch9bdbf042013-01-07 16:04:51 +01001345 * @dtim_period: DTIM period to use
1346 * @beacon_interval: beacon interval to use
Chun-Yeow Yeoh4bb62342011-11-24 17:15:20 -08001347 * @mcast_rate: multicat rate for Mesh Node [6Mbps is the default for 802.11a]
Ashok Nagarajanffb3cf32013-06-03 10:33:36 -07001348 * @basic_rates: basic rates to use when creating the mesh
Johannes Berg29cbe682010-12-03 09:20:44 +01001349 *
1350 * These parameters are fixed when the mesh is created.
1351 */
1352struct mesh_setup {
Johannes Berg683b6d32012-11-08 21:25:48 +01001353 struct cfg80211_chan_def chandef;
Johannes Berg29cbe682010-12-03 09:20:44 +01001354 const u8 *mesh_id;
1355 u8 mesh_id_len;
Javier Cardonad299a1f2012-03-31 11:31:33 -07001356 u8 sync_method;
1357 u8 path_sel_proto;
1358 u8 path_metric;
Colleen Twitty6e16d902013-05-08 11:45:59 -07001359 u8 auth_id;
Javier Cardona581a8b02011-04-07 15:08:27 -07001360 const u8 *ie;
1361 u8 ie_len;
Javier Cardonab130e5c2011-05-03 16:57:07 -07001362 bool is_authenticated;
Javier Cardona15d5dda2011-04-07 15:08:28 -07001363 bool is_secure;
Thomas Pedersenbb2798d2013-03-04 13:06:10 -08001364 bool user_mpm;
Marco Porsch9bdbf042013-01-07 16:04:51 +01001365 u8 dtim_period;
1366 u16 beacon_interval;
Chun-Yeow Yeoh4bb62342011-11-24 17:15:20 -08001367 int mcast_rate[IEEE80211_NUM_BANDS];
Ashok Nagarajanffb3cf32013-06-03 10:33:36 -07001368 u32 basic_rates;
Johannes Berg29cbe682010-12-03 09:20:44 +01001369};
1370
1371/**
Rostislav Lisovy6e0bd6c2014-11-03 10:33:18 +01001372 * struct ocb_setup - 802.11p OCB mode setup configuration
1373 * @chandef: defines the channel to use
1374 *
1375 * These parameters are fixed when connecting to the network
1376 */
1377struct ocb_setup {
1378 struct cfg80211_chan_def chandef;
1379};
1380
1381/**
Jouni Malinen31888482008-10-30 16:59:24 +02001382 * struct ieee80211_txq_params - TX queue parameters
Johannes Berga3304b02012-03-28 11:04:24 +02001383 * @ac: AC identifier
Jouni Malinen31888482008-10-30 16:59:24 +02001384 * @txop: Maximum burst time in units of 32 usecs, 0 meaning disabled
1385 * @cwmin: Minimum contention window [a value of the form 2^n-1 in the range
1386 * 1..32767]
1387 * @cwmax: Maximum contention window [a value of the form 2^n-1 in the range
1388 * 1..32767]
1389 * @aifs: Arbitration interframe space [0..255]
1390 */
1391struct ieee80211_txq_params {
Johannes Berga3304b02012-03-28 11:04:24 +02001392 enum nl80211_ac ac;
Jouni Malinen31888482008-10-30 16:59:24 +02001393 u16 txop;
1394 u16 cwmin;
1395 u16 cwmax;
1396 u8 aifs;
1397};
1398
Johannes Bergd70e9692010-08-19 16:11:27 +02001399/**
1400 * DOC: Scanning and BSS list handling
1401 *
1402 * The scanning process itself is fairly simple, but cfg80211 offers quite
1403 * a bit of helper functionality. To start a scan, the scan operation will
1404 * be invoked with a scan definition. This scan definition contains the
1405 * channels to scan, and the SSIDs to send probe requests for (including the
1406 * wildcard, if desired). A passive scan is indicated by having no SSIDs to
1407 * probe. Additionally, a scan request may contain extra information elements
1408 * that should be added to the probe request. The IEs are guaranteed to be
1409 * well-formed, and will not exceed the maximum length the driver advertised
1410 * in the wiphy structure.
1411 *
1412 * When scanning finds a BSS, cfg80211 needs to be notified of that, because
1413 * it is responsible for maintaining the BSS list; the driver should not
1414 * maintain a list itself. For this notification, various functions exist.
1415 *
1416 * Since drivers do not maintain a BSS list, there are also a number of
1417 * functions to search for a BSS and obtain information about it from the
1418 * BSS structure cfg80211 maintains. The BSS list is also made available
1419 * to userspace.
1420 */
Jouni Malinen72bdcf32008-11-26 16:15:24 +02001421
Johannes Berg704232c2007-04-23 12:20:05 -07001422/**
Johannes Berg2a519312009-02-10 21:25:55 +01001423 * struct cfg80211_ssid - SSID description
1424 * @ssid: the SSID
1425 * @ssid_len: length of the ssid
1426 */
1427struct cfg80211_ssid {
1428 u8 ssid[IEEE80211_MAX_SSID_LEN];
1429 u8 ssid_len;
1430};
1431
1432/**
1433 * struct cfg80211_scan_request - scan request description
1434 *
1435 * @ssids: SSIDs to scan for (active scan only)
1436 * @n_ssids: number of SSIDs
1437 * @channels: channels to scan on.
Helmut Schaaca3dbc22009-07-10 14:54:58 +02001438 * @n_channels: total number of channels to scan
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02001439 * @scan_width: channel width for scanning
Jouni Malinen70692ad2009-02-16 19:39:13 +02001440 * @ie: optional information element(s) to add into Probe Request or %NULL
1441 * @ie_len: length of ie in octets
Sam Lefflered4737712012-10-11 21:03:31 -07001442 * @flags: bit field of flags controlling operation
Johannes Berg34850ab2011-07-18 18:08:35 +02001443 * @rates: bitmap of rates to advertise for each band
Johannes Berg2a519312009-02-10 21:25:55 +01001444 * @wiphy: the wiphy this was for
Sam Leffler15d60302012-10-11 21:03:34 -07001445 * @scan_start: time (in jiffies) when the scan started
Johannes Bergfd014282012-06-18 19:17:03 +02001446 * @wdev: the wireless device to scan for
Johannes Bergabe37c42010-06-07 11:12:27 +02001447 * @aborted: (internal) scan request was notified as aborted
Johannes Berg5fe231e2013-05-08 21:45:15 +02001448 * @notified: (internal) scan request was notified as done or aborted
Rajkumar Manoharane9f935e2011-09-25 14:53:30 +05301449 * @no_cck: used to send probe requests at non CCK rate in 2GHz band
Johannes Bergad2b26a2014-06-12 21:39:05 +02001450 * @mac_addr: MAC address used with randomisation
1451 * @mac_addr_mask: MAC address mask used with randomisation, bits that
1452 * are 0 in the mask should be randomised, bits that are 1 should
1453 * be taken from the @mac_addr
Johannes Berg2a519312009-02-10 21:25:55 +01001454 */
1455struct cfg80211_scan_request {
1456 struct cfg80211_ssid *ssids;
1457 int n_ssids;
Johannes Berg2a519312009-02-10 21:25:55 +01001458 u32 n_channels;
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02001459 enum nl80211_bss_scan_width scan_width;
Johannes Bergde95a542009-04-01 11:58:36 +02001460 const u8 *ie;
Jouni Malinen70692ad2009-02-16 19:39:13 +02001461 size_t ie_len;
Sam Lefflered4737712012-10-11 21:03:31 -07001462 u32 flags;
Johannes Berg2a519312009-02-10 21:25:55 +01001463
Johannes Berg34850ab2011-07-18 18:08:35 +02001464 u32 rates[IEEE80211_NUM_BANDS];
1465
Johannes Bergfd014282012-06-18 19:17:03 +02001466 struct wireless_dev *wdev;
1467
Johannes Bergad2b26a2014-06-12 21:39:05 +02001468 u8 mac_addr[ETH_ALEN] __aligned(2);
1469 u8 mac_addr_mask[ETH_ALEN] __aligned(2);
1470
Johannes Berg2a519312009-02-10 21:25:55 +01001471 /* internal */
1472 struct wiphy *wiphy;
Sam Leffler15d60302012-10-11 21:03:34 -07001473 unsigned long scan_start;
Johannes Berg5fe231e2013-05-08 21:45:15 +02001474 bool aborted, notified;
Rajkumar Manoharane9f935e2011-09-25 14:53:30 +05301475 bool no_cck;
Johannes Berg5ba63532009-08-07 17:54:07 +02001476
1477 /* keep last */
1478 struct ieee80211_channel *channels[0];
Johannes Berg2a519312009-02-10 21:25:55 +01001479};
1480
Johannes Bergad2b26a2014-06-12 21:39:05 +02001481static inline void get_random_mask_addr(u8 *buf, const u8 *addr, const u8 *mask)
1482{
1483 int i;
1484
1485 get_random_bytes(buf, ETH_ALEN);
1486 for (i = 0; i < ETH_ALEN; i++) {
1487 buf[i] &= ~mask[i];
1488 buf[i] |= addr[i] & mask[i];
1489 }
1490}
1491
Johannes Berg2a519312009-02-10 21:25:55 +01001492/**
Luciano Coelhoa1f1c212011-08-31 16:01:48 +03001493 * struct cfg80211_match_set - sets of attributes to match
1494 *
Johannes Bergea73cbc2014-01-24 10:53:53 +01001495 * @ssid: SSID to be matched; may be zero-length for no match (RSSI only)
1496 * @rssi_thold: don't report scan results below this threshold (in s32 dBm)
Luciano Coelhoa1f1c212011-08-31 16:01:48 +03001497 */
1498struct cfg80211_match_set {
1499 struct cfg80211_ssid ssid;
Johannes Bergea73cbc2014-01-24 10:53:53 +01001500 s32 rssi_thold;
Luciano Coelhoa1f1c212011-08-31 16:01:48 +03001501};
1502
1503/**
Luciano Coelho807f8a82011-05-11 17:09:35 +03001504 * struct cfg80211_sched_scan_request - scheduled scan request description
1505 *
1506 * @ssids: SSIDs to scan for (passed in the probe_reqs in active scans)
1507 * @n_ssids: number of SSIDs
1508 * @n_channels: total number of channels to scan
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02001509 * @scan_width: channel width for scanning
Luciano Coelhobbe6ad62011-05-11 17:09:37 +03001510 * @interval: interval between each scheduled scan cycle
Luciano Coelho807f8a82011-05-11 17:09:35 +03001511 * @ie: optional information element(s) to add into Probe Request or %NULL
1512 * @ie_len: length of ie in octets
Sam Lefflered4737712012-10-11 21:03:31 -07001513 * @flags: bit field of flags controlling operation
Luciano Coelhoa1f1c212011-08-31 16:01:48 +03001514 * @match_sets: sets of parameters to be matched for a scan result
1515 * entry to be considered valid and to be passed to the host
1516 * (others are filtered out).
1517 * If ommited, all results are passed.
1518 * @n_match_sets: number of match sets
Luciano Coelho807f8a82011-05-11 17:09:35 +03001519 * @wiphy: the wiphy this was for
1520 * @dev: the interface
Johannes Berg077f8972013-02-08 09:06:36 +01001521 * @scan_start: start time of the scheduled scan
Luciano Coelho807f8a82011-05-11 17:09:35 +03001522 * @channels: channels to scan
Johannes Bergea73cbc2014-01-24 10:53:53 +01001523 * @min_rssi_thold: for drivers only supporting a single threshold, this
1524 * contains the minimum over all matchsets
Johannes Bergad2b26a2014-06-12 21:39:05 +02001525 * @mac_addr: MAC address used with randomisation
1526 * @mac_addr_mask: MAC address mask used with randomisation, bits that
1527 * are 0 in the mask should be randomised, bits that are 1 should
1528 * be taken from the @mac_addr
Jukka Rissanen31a60ed2014-12-15 13:25:38 +02001529 * @rcu_head: RCU callback used to free the struct
Jukka Rissanen93a1e862014-12-15 13:25:39 +02001530 * @owner_nlportid: netlink portid of owner (if this should is a request
1531 * owned by a particular socket)
Luciano Coelho9c748932015-01-16 16:04:09 +02001532 * @delay: delay in seconds to use before starting the first scan
1533 * cycle. The driver may ignore this parameter and start
1534 * immediately (or at any other time), if this feature is not
1535 * supported.
Luciano Coelho807f8a82011-05-11 17:09:35 +03001536 */
1537struct cfg80211_sched_scan_request {
1538 struct cfg80211_ssid *ssids;
1539 int n_ssids;
1540 u32 n_channels;
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02001541 enum nl80211_bss_scan_width scan_width;
Luciano Coelhobbe6ad62011-05-11 17:09:37 +03001542 u32 interval;
Luciano Coelho807f8a82011-05-11 17:09:35 +03001543 const u8 *ie;
1544 size_t ie_len;
Sam Lefflered4737712012-10-11 21:03:31 -07001545 u32 flags;
Luciano Coelhoa1f1c212011-08-31 16:01:48 +03001546 struct cfg80211_match_set *match_sets;
1547 int n_match_sets;
Johannes Bergea73cbc2014-01-24 10:53:53 +01001548 s32 min_rssi_thold;
Luciano Coelho9c748932015-01-16 16:04:09 +02001549 u32 delay;
Luciano Coelho807f8a82011-05-11 17:09:35 +03001550
Johannes Bergad2b26a2014-06-12 21:39:05 +02001551 u8 mac_addr[ETH_ALEN] __aligned(2);
1552 u8 mac_addr_mask[ETH_ALEN] __aligned(2);
1553
Luciano Coelho807f8a82011-05-11 17:09:35 +03001554 /* internal */
1555 struct wiphy *wiphy;
1556 struct net_device *dev;
Sam Leffler15d60302012-10-11 21:03:34 -07001557 unsigned long scan_start;
Jukka Rissanen31a60ed2014-12-15 13:25:38 +02001558 struct rcu_head rcu_head;
Jukka Rissanen93a1e862014-12-15 13:25:39 +02001559 u32 owner_nlportid;
Luciano Coelho807f8a82011-05-11 17:09:35 +03001560
1561 /* keep last */
1562 struct ieee80211_channel *channels[0];
1563};
1564
1565/**
Johannes Berg2a519312009-02-10 21:25:55 +01001566 * enum cfg80211_signal_type - signal type
1567 *
1568 * @CFG80211_SIGNAL_TYPE_NONE: no signal strength information available
1569 * @CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm)
1570 * @CFG80211_SIGNAL_TYPE_UNSPEC: signal strength, increasing from 0 through 100
1571 */
1572enum cfg80211_signal_type {
1573 CFG80211_SIGNAL_TYPE_NONE,
1574 CFG80211_SIGNAL_TYPE_MBM,
1575 CFG80211_SIGNAL_TYPE_UNSPEC,
1576};
1577
1578/**
Johannes Berg9caf0362012-11-29 01:25:20 +01001579 * struct cfg80211_bss_ie_data - BSS entry IE data
Johannes Berg8cef2c92013-02-05 16:54:31 +01001580 * @tsf: TSF contained in the frame that carried these IEs
Johannes Berg9caf0362012-11-29 01:25:20 +01001581 * @rcu_head: internal use, for freeing
1582 * @len: length of the IEs
Johannes Berg0e227082014-08-12 20:34:30 +02001583 * @from_beacon: these IEs are known to come from a beacon
Johannes Berg9caf0362012-11-29 01:25:20 +01001584 * @data: IE data
1585 */
1586struct cfg80211_bss_ies {
Johannes Berg8cef2c92013-02-05 16:54:31 +01001587 u64 tsf;
Johannes Berg9caf0362012-11-29 01:25:20 +01001588 struct rcu_head rcu_head;
1589 int len;
Johannes Berg0e227082014-08-12 20:34:30 +02001590 bool from_beacon;
Johannes Berg9caf0362012-11-29 01:25:20 +01001591 u8 data[];
1592};
1593
1594/**
Johannes Berg2a519312009-02-10 21:25:55 +01001595 * struct cfg80211_bss - BSS description
1596 *
1597 * This structure describes a BSS (which may also be a mesh network)
1598 * for use in scan results and similar.
1599 *
Johannes Bergabe37c42010-06-07 11:12:27 +02001600 * @channel: channel this BSS is on
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02001601 * @scan_width: width of the control channel
Johannes Berg2a519312009-02-10 21:25:55 +01001602 * @bssid: BSSID of the BSS
Johannes Berg2a519312009-02-10 21:25:55 +01001603 * @beacon_interval: the beacon interval as from the frame
1604 * @capability: the capability field in host byte order
Johannes Berg83c7aa12013-02-05 16:51:29 +01001605 * @ies: the information elements (Note that there is no guarantee that these
1606 * are well-formed!); this is a pointer to either the beacon_ies or
1607 * proberesp_ies depending on whether Probe Response frame has been
1608 * received. It is always non-%NULL.
Jouni Malinen34a6edd2010-01-06 16:19:24 +02001609 * @beacon_ies: the information elements from the last Beacon frame
Johannes Berg776b3582013-02-01 02:06:18 +01001610 * (implementation note: if @hidden_beacon_bss is set this struct doesn't
1611 * own the beacon_ies, but they're just pointers to the ones from the
1612 * @hidden_beacon_bss struct)
Jouni Malinen34a6edd2010-01-06 16:19:24 +02001613 * @proberesp_ies: the information elements from the last Probe Response frame
Johannes Berg776b3582013-02-01 02:06:18 +01001614 * @hidden_beacon_bss: in case this BSS struct represents a probe response from
1615 * a BSS that hides the SSID in its beacon, this points to the BSS struct
1616 * that holds the beacon data. @beacon_ies is still valid, of course, and
1617 * points to the same data as hidden_beacon_bss->beacon_ies in that case.
Johannes Berg77965c92009-02-18 18:45:06 +01001618 * @signal: signal strength value (type depends on the wiphy's signal_type)
Johannes Berg2a519312009-02-10 21:25:55 +01001619 * @priv: private area for driver use, has at least wiphy->bss_priv_size bytes
1620 */
1621struct cfg80211_bss {
1622 struct ieee80211_channel *channel;
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02001623 enum nl80211_bss_scan_width scan_width;
Johannes Berg2a519312009-02-10 21:25:55 +01001624
Johannes Berg9caf0362012-11-29 01:25:20 +01001625 const struct cfg80211_bss_ies __rcu *ies;
1626 const struct cfg80211_bss_ies __rcu *beacon_ies;
1627 const struct cfg80211_bss_ies __rcu *proberesp_ies;
1628
Johannes Berg776b3582013-02-01 02:06:18 +01001629 struct cfg80211_bss *hidden_beacon_bss;
Johannes Berg2a519312009-02-10 21:25:55 +01001630
1631 s32 signal;
Johannes Berg2a519312009-02-10 21:25:55 +01001632
Johannes Berg9caf0362012-11-29 01:25:20 +01001633 u16 beacon_interval;
1634 u16 capability;
1635
1636 u8 bssid[ETH_ALEN];
1637
Johannes Berg1c06ef92012-12-28 12:22:02 +01001638 u8 priv[0] __aligned(sizeof(void *));
Johannes Berg2a519312009-02-10 21:25:55 +01001639};
1640
1641/**
Johannes Berg517357c2009-07-02 17:18:40 +02001642 * ieee80211_bss_get_ie - find IE with given ID
1643 * @bss: the bss to search
1644 * @ie: the IE ID
Johannes Berg9caf0362012-11-29 01:25:20 +01001645 *
1646 * Note that the return value is an RCU-protected pointer, so
1647 * rcu_read_lock() must be held when calling this function.
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01001648 * Return: %NULL if not found.
Johannes Berg517357c2009-07-02 17:18:40 +02001649 */
1650const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie);
1651
1652
1653/**
Jouni Malinen636a5d32009-03-19 13:39:22 +02001654 * struct cfg80211_auth_request - Authentication request data
1655 *
1656 * This structure provides information needed to complete IEEE 802.11
1657 * authentication.
Jouni Malinen636a5d32009-03-19 13:39:22 +02001658 *
Johannes Berg959867f2013-06-19 13:05:42 +02001659 * @bss: The BSS to authenticate with, the callee must obtain a reference
1660 * to it if it needs to keep it.
Jouni Malinen636a5d32009-03-19 13:39:22 +02001661 * @auth_type: Authentication type (algorithm)
1662 * @ie: Extra IEs to add to Authentication frame or %NULL
1663 * @ie_len: Length of ie buffer in octets
Johannes Bergfffd0932009-07-08 14:22:54 +02001664 * @key_len: length of WEP key for shared key authentication
1665 * @key_idx: index of WEP key for shared key authentication
1666 * @key: WEP key for shared key authentication
Jouni Malinene39e5b52012-09-30 19:29:39 +03001667 * @sae_data: Non-IE data to use with SAE or %NULL. This starts with
1668 * Authentication transaction sequence number field.
1669 * @sae_data_len: Length of sae_data buffer in octets
Jouni Malinen636a5d32009-03-19 13:39:22 +02001670 */
1671struct cfg80211_auth_request {
Johannes Berg19957bb2009-07-02 17:20:43 +02001672 struct cfg80211_bss *bss;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001673 const u8 *ie;
1674 size_t ie_len;
Johannes Berg19957bb2009-07-02 17:20:43 +02001675 enum nl80211_auth_type auth_type;
Johannes Bergfffd0932009-07-08 14:22:54 +02001676 const u8 *key;
1677 u8 key_len, key_idx;
Jouni Malinene39e5b52012-09-30 19:29:39 +03001678 const u8 *sae_data;
1679 size_t sae_data_len;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001680};
1681
1682/**
Ben Greear7e7c8922011-11-18 11:31:59 -08001683 * enum cfg80211_assoc_req_flags - Over-ride default behaviour in association.
1684 *
1685 * @ASSOC_REQ_DISABLE_HT: Disable HT (802.11n)
Johannes Bergee2aca32013-02-21 17:36:01 +01001686 * @ASSOC_REQ_DISABLE_VHT: Disable VHT
Assaf Kraussbab5ab72014-09-03 15:25:01 +03001687 * @ASSOC_REQ_USE_RRM: Declare RRM capability in this association
Ben Greear7e7c8922011-11-18 11:31:59 -08001688 */
1689enum cfg80211_assoc_req_flags {
1690 ASSOC_REQ_DISABLE_HT = BIT(0),
Johannes Bergee2aca32013-02-21 17:36:01 +01001691 ASSOC_REQ_DISABLE_VHT = BIT(1),
Assaf Kraussbab5ab72014-09-03 15:25:01 +03001692 ASSOC_REQ_USE_RRM = BIT(2),
Ben Greear7e7c8922011-11-18 11:31:59 -08001693};
1694
1695/**
Jouni Malinen636a5d32009-03-19 13:39:22 +02001696 * struct cfg80211_assoc_request - (Re)Association request data
1697 *
1698 * This structure provides information needed to complete IEEE 802.11
1699 * (re)association.
Johannes Berg959867f2013-06-19 13:05:42 +02001700 * @bss: The BSS to associate with. If the call is successful the driver is
1701 * given a reference that it must give back to cfg80211_send_rx_assoc()
1702 * or to cfg80211_assoc_timeout(). To ensure proper refcounting, new
1703 * association requests while already associating must be rejected.
Jouni Malinen636a5d32009-03-19 13:39:22 +02001704 * @ie: Extra IEs to add to (Re)Association Request frame or %NULL
1705 * @ie_len: Length of ie buffer in octets
Jouni Malinendc6382ce2009-05-06 22:09:37 +03001706 * @use_mfp: Use management frame protection (IEEE 802.11w) in this association
Samuel Ortizb23aa672009-07-01 21:26:54 +02001707 * @crypto: crypto settings
Johannes Berg3e5d7642009-07-07 14:37:26 +02001708 * @prev_bssid: previous BSSID, if not %NULL use reassociate frame
Ben Greear7e7c8922011-11-18 11:31:59 -08001709 * @flags: See &enum cfg80211_assoc_req_flags
1710 * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
Johannes Bergad24b0d2013-07-05 11:53:28 +02001711 * will be used in ht_capa. Un-supported values will be ignored.
Ben Greear7e7c8922011-11-18 11:31:59 -08001712 * @ht_capa_mask: The bits of ht_capa which are to be used.
Johannes Bergee2aca32013-02-21 17:36:01 +01001713 * @vht_capa: VHT capability override
1714 * @vht_capa_mask: VHT capability mask indicating which fields to use
Jouni Malinen636a5d32009-03-19 13:39:22 +02001715 */
1716struct cfg80211_assoc_request {
Johannes Berg19957bb2009-07-02 17:20:43 +02001717 struct cfg80211_bss *bss;
Johannes Berg3e5d7642009-07-07 14:37:26 +02001718 const u8 *ie, *prev_bssid;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001719 size_t ie_len;
Samuel Ortizb23aa672009-07-01 21:26:54 +02001720 struct cfg80211_crypto_settings crypto;
Johannes Berg19957bb2009-07-02 17:20:43 +02001721 bool use_mfp;
Ben Greear7e7c8922011-11-18 11:31:59 -08001722 u32 flags;
1723 struct ieee80211_ht_cap ht_capa;
1724 struct ieee80211_ht_cap ht_capa_mask;
Johannes Bergee2aca32013-02-21 17:36:01 +01001725 struct ieee80211_vht_cap vht_capa, vht_capa_mask;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001726};
1727
1728/**
1729 * struct cfg80211_deauth_request - Deauthentication request data
1730 *
1731 * This structure provides information needed to complete IEEE 802.11
1732 * deauthentication.
1733 *
Johannes Berg95de8172012-01-20 13:55:25 +01001734 * @bssid: the BSSID of the BSS to deauthenticate from
Jouni Malinen636a5d32009-03-19 13:39:22 +02001735 * @ie: Extra IEs to add to Deauthentication frame or %NULL
1736 * @ie_len: Length of ie buffer in octets
Johannes Berg19957bb2009-07-02 17:20:43 +02001737 * @reason_code: The reason code for the deauthentication
Johannes Berg077f8972013-02-08 09:06:36 +01001738 * @local_state_change: if set, change local state only and
1739 * do not set a deauth frame
Jouni Malinen636a5d32009-03-19 13:39:22 +02001740 */
1741struct cfg80211_deauth_request {
Johannes Berg95de8172012-01-20 13:55:25 +01001742 const u8 *bssid;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001743 const u8 *ie;
1744 size_t ie_len;
Johannes Berg19957bb2009-07-02 17:20:43 +02001745 u16 reason_code;
Stanislaw Gruszka68632552012-10-15 14:52:41 +02001746 bool local_state_change;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001747};
1748
1749/**
1750 * struct cfg80211_disassoc_request - Disassociation request data
1751 *
1752 * This structure provides information needed to complete IEEE 802.11
1753 * disassocation.
1754 *
Johannes Berg19957bb2009-07-02 17:20:43 +02001755 * @bss: the BSS to disassociate from
Jouni Malinen636a5d32009-03-19 13:39:22 +02001756 * @ie: Extra IEs to add to Disassociation frame or %NULL
1757 * @ie_len: Length of ie buffer in octets
Johannes Berg19957bb2009-07-02 17:20:43 +02001758 * @reason_code: The reason code for the disassociation
Jouni Malinend5cdfac2010-04-04 09:37:19 +03001759 * @local_state_change: This is a request for a local state only, i.e., no
1760 * Disassociation frame is to be transmitted.
Jouni Malinen636a5d32009-03-19 13:39:22 +02001761 */
1762struct cfg80211_disassoc_request {
Johannes Berg19957bb2009-07-02 17:20:43 +02001763 struct cfg80211_bss *bss;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001764 const u8 *ie;
1765 size_t ie_len;
Johannes Berg19957bb2009-07-02 17:20:43 +02001766 u16 reason_code;
Jouni Malinend5cdfac2010-04-04 09:37:19 +03001767 bool local_state_change;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001768};
1769
1770/**
Johannes Berg04a773a2009-04-19 21:24:32 +02001771 * struct cfg80211_ibss_params - IBSS parameters
1772 *
1773 * This structure defines the IBSS parameters for the join_ibss()
1774 * method.
1775 *
1776 * @ssid: The SSID, will always be non-null.
1777 * @ssid_len: The length of the SSID, will always be non-zero.
1778 * @bssid: Fixed BSSID requested, maybe be %NULL, if set do not
1779 * search for IBSSs with a different BSSID.
Johannes Berg683b6d32012-11-08 21:25:48 +01001780 * @chandef: defines the channel to use if no other IBSS to join can be found
Johannes Berg04a773a2009-04-19 21:24:32 +02001781 * @channel_fixed: The channel should be fixed -- do not search for
1782 * IBSSs to join on other channels.
1783 * @ie: information element(s) to include in the beacon
1784 * @ie_len: length of that
Johannes Berg8e30bc52009-04-22 17:45:38 +02001785 * @beacon_interval: beacon interval to use
Johannes Bergfffd0932009-07-08 14:22:54 +02001786 * @privacy: this is a protected network, keys will be configured
1787 * after joining
Antonio Quartulli267335d2012-01-31 20:25:47 +01001788 * @control_port: whether user space controls IEEE 802.1X port, i.e.,
1789 * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is
1790 * required to assume that the port is unauthorized until authorized by
1791 * user space. Otherwise, port is marked authorized by default.
Simon Wunderlich5336fa82013-10-07 18:41:05 +02001792 * @userspace_handles_dfs: whether user space controls DFS operation, i.e.
1793 * changes the channel when a radar is detected. This is required
1794 * to operate on DFS channels.
Teemu Paasikivifbd2c8d2010-06-14 12:55:31 +03001795 * @basic_rates: bitmap of basic rates to use when creating the IBSS
Felix Fietkaudd5b4cc2010-11-22 20:58:24 +01001796 * @mcast_rate: per-band multicast rate index + 1 (0: disabled)
Simon Wunderlich803768f2013-06-28 10:39:58 +02001797 * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
Johannes Bergad24b0d2013-07-05 11:53:28 +02001798 * will be used in ht_capa. Un-supported values will be ignored.
Simon Wunderlich803768f2013-06-28 10:39:58 +02001799 * @ht_capa_mask: The bits of ht_capa which are to be used.
Johannes Berg04a773a2009-04-19 21:24:32 +02001800 */
1801struct cfg80211_ibss_params {
Johannes Bergc1e5f472014-05-19 17:53:16 +02001802 const u8 *ssid;
1803 const u8 *bssid;
Johannes Berg683b6d32012-11-08 21:25:48 +01001804 struct cfg80211_chan_def chandef;
Johannes Bergc1e5f472014-05-19 17:53:16 +02001805 const u8 *ie;
Johannes Berg04a773a2009-04-19 21:24:32 +02001806 u8 ssid_len, ie_len;
Johannes Berg8e30bc52009-04-22 17:45:38 +02001807 u16 beacon_interval;
Teemu Paasikivifbd2c8d2010-06-14 12:55:31 +03001808 u32 basic_rates;
Johannes Berg04a773a2009-04-19 21:24:32 +02001809 bool channel_fixed;
Johannes Bergfffd0932009-07-08 14:22:54 +02001810 bool privacy;
Antonio Quartulli267335d2012-01-31 20:25:47 +01001811 bool control_port;
Simon Wunderlich5336fa82013-10-07 18:41:05 +02001812 bool userspace_handles_dfs;
Felix Fietkaudd5b4cc2010-11-22 20:58:24 +01001813 int mcast_rate[IEEE80211_NUM_BANDS];
Simon Wunderlich803768f2013-06-28 10:39:58 +02001814 struct ieee80211_ht_cap ht_capa;
1815 struct ieee80211_ht_cap ht_capa_mask;
Johannes Berg04a773a2009-04-19 21:24:32 +02001816};
1817
1818/**
Samuel Ortizb23aa672009-07-01 21:26:54 +02001819 * struct cfg80211_connect_params - Connection parameters
1820 *
1821 * This structure provides information needed to complete IEEE 802.11
1822 * authentication and association.
1823 *
1824 * @channel: The channel to use or %NULL if not specified (auto-select based
1825 * on scan results)
Jouni Malinen1df4a512014-01-15 00:00:47 +02001826 * @channel_hint: The channel of the recommended BSS for initial connection or
1827 * %NULL if not specified
Samuel Ortizb23aa672009-07-01 21:26:54 +02001828 * @bssid: The AP BSSID or %NULL if not specified (auto-select based on scan
1829 * results)
Jouni Malinen1df4a512014-01-15 00:00:47 +02001830 * @bssid_hint: The recommended AP BSSID for initial connection to the BSS or
1831 * %NULL if not specified. Unlike the @bssid parameter, the driver is
1832 * allowed to ignore this @bssid_hint if it has knowledge of a better BSS
1833 * to use.
Samuel Ortizb23aa672009-07-01 21:26:54 +02001834 * @ssid: SSID
1835 * @ssid_len: Length of ssid in octets
1836 * @auth_type: Authentication type (algorithm)
Johannes Bergabe37c42010-06-07 11:12:27 +02001837 * @ie: IEs for association request
1838 * @ie_len: Length of assoc_ie in octets
Samuel Ortizb23aa672009-07-01 21:26:54 +02001839 * @privacy: indicates whether privacy-enabled APs should be used
Jouni Malinencee00a92013-01-15 17:15:57 +02001840 * @mfp: indicate whether management frame protection is used
Samuel Ortizb23aa672009-07-01 21:26:54 +02001841 * @crypto: crypto settings
Johannes Bergfffd0932009-07-08 14:22:54 +02001842 * @key_len: length of WEP key for shared key authentication
1843 * @key_idx: index of WEP key for shared key authentication
1844 * @key: WEP key for shared key authentication
Ben Greear7e7c8922011-11-18 11:31:59 -08001845 * @flags: See &enum cfg80211_assoc_req_flags
Bala Shanmugam4486ea92012-03-07 17:27:12 +05301846 * @bg_scan_period: Background scan period in seconds
Johannes Bergad24b0d2013-07-05 11:53:28 +02001847 * or -1 to indicate that default value is to be used.
Ben Greear7e7c8922011-11-18 11:31:59 -08001848 * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
Johannes Bergad24b0d2013-07-05 11:53:28 +02001849 * will be used in ht_capa. Un-supported values will be ignored.
Ben Greear7e7c8922011-11-18 11:31:59 -08001850 * @ht_capa_mask: The bits of ht_capa which are to be used.
Johannes Bergee2aca32013-02-21 17:36:01 +01001851 * @vht_capa: VHT Capability overrides
1852 * @vht_capa_mask: The bits of vht_capa which are to be used.
Samuel Ortizb23aa672009-07-01 21:26:54 +02001853 */
1854struct cfg80211_connect_params {
1855 struct ieee80211_channel *channel;
Jouni Malinen1df4a512014-01-15 00:00:47 +02001856 struct ieee80211_channel *channel_hint;
Jouni Malinen664834d2014-01-15 00:01:44 +02001857 const u8 *bssid;
Jouni Malinen1df4a512014-01-15 00:00:47 +02001858 const u8 *bssid_hint;
Jouni Malinen664834d2014-01-15 00:01:44 +02001859 const u8 *ssid;
Samuel Ortizb23aa672009-07-01 21:26:54 +02001860 size_t ssid_len;
1861 enum nl80211_auth_type auth_type;
Johannes Berg4b5800f2014-01-15 14:55:59 +01001862 const u8 *ie;
Samuel Ortizb23aa672009-07-01 21:26:54 +02001863 size_t ie_len;
1864 bool privacy;
Jouni Malinencee00a92013-01-15 17:15:57 +02001865 enum nl80211_mfp mfp;
Samuel Ortizb23aa672009-07-01 21:26:54 +02001866 struct cfg80211_crypto_settings crypto;
Johannes Bergfffd0932009-07-08 14:22:54 +02001867 const u8 *key;
1868 u8 key_len, key_idx;
Ben Greear7e7c8922011-11-18 11:31:59 -08001869 u32 flags;
Bala Shanmugam4486ea92012-03-07 17:27:12 +05301870 int bg_scan_period;
Ben Greear7e7c8922011-11-18 11:31:59 -08001871 struct ieee80211_ht_cap ht_capa;
1872 struct ieee80211_ht_cap ht_capa_mask;
Johannes Bergee2aca32013-02-21 17:36:01 +01001873 struct ieee80211_vht_cap vht_capa;
1874 struct ieee80211_vht_cap vht_capa_mask;
Samuel Ortizb23aa672009-07-01 21:26:54 +02001875};
1876
1877/**
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001878 * enum wiphy_params_flags - set_wiphy_params bitfield values
Johannes Bergabe37c42010-06-07 11:12:27 +02001879 * @WIPHY_PARAM_RETRY_SHORT: wiphy->retry_short has changed
1880 * @WIPHY_PARAM_RETRY_LONG: wiphy->retry_long has changed
1881 * @WIPHY_PARAM_FRAG_THRESHOLD: wiphy->frag_threshold has changed
1882 * @WIPHY_PARAM_RTS_THRESHOLD: wiphy->rts_threshold has changed
1883 * @WIPHY_PARAM_COVERAGE_CLASS: coverage class changed
Lorenzo Bianconi3057dbf2014-09-04 23:57:40 +02001884 * @WIPHY_PARAM_DYN_ACK: dynack has been enabled
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001885 */
1886enum wiphy_params_flags {
1887 WIPHY_PARAM_RETRY_SHORT = 1 << 0,
1888 WIPHY_PARAM_RETRY_LONG = 1 << 1,
1889 WIPHY_PARAM_FRAG_THRESHOLD = 1 << 2,
1890 WIPHY_PARAM_RTS_THRESHOLD = 1 << 3,
Lukáš Turek81077e82009-12-21 22:50:47 +01001891 WIPHY_PARAM_COVERAGE_CLASS = 1 << 4,
Lorenzo Bianconi3057dbf2014-09-04 23:57:40 +02001892 WIPHY_PARAM_DYN_ACK = 1 << 5,
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001893};
1894
Johannes Berg99303802009-07-01 21:26:59 +02001895/*
1896 * cfg80211_bitrate_mask - masks for bitrate control
1897 */
1898struct cfg80211_bitrate_mask {
Johannes Berg99303802009-07-01 21:26:59 +02001899 struct {
1900 u32 legacy;
Janusz Dziedzicd1e33e62013-12-05 10:02:15 +01001901 u8 ht_mcs[IEEE80211_HT_MCS_MASK_LEN];
Janusz Dziedzic204e35a2013-12-05 20:42:58 +01001902 u16 vht_mcs[NL80211_VHT_NSS_MAX];
Janusz Dziedzic0b9323f2014-01-08 08:46:02 +01001903 enum nl80211_txrate_gi gi;
Johannes Berg99303802009-07-01 21:26:59 +02001904 } control[IEEE80211_NUM_BANDS];
Johannes Berg99303802009-07-01 21:26:59 +02001905};
Samuel Ortiz67fbb162009-11-24 23:59:15 +01001906/**
1907 * struct cfg80211_pmksa - PMK Security Association
1908 *
1909 * This structure is passed to the set/del_pmksa() method for PMKSA
1910 * caching.
1911 *
1912 * @bssid: The AP's BSSID.
1913 * @pmkid: The PMK material itself.
1914 */
1915struct cfg80211_pmksa {
Johannes Bergc1e5f472014-05-19 17:53:16 +02001916 const u8 *bssid;
1917 const u8 *pmkid;
Samuel Ortiz67fbb162009-11-24 23:59:15 +01001918};
Johannes Berg99303802009-07-01 21:26:59 +02001919
Johannes Berg7643a2c2009-06-02 13:01:39 +02001920/**
Amitkumar Karwar50ac6602013-06-25 19:03:56 -07001921 * struct cfg80211_pkt_pattern - packet pattern
Johannes Bergff1b6e62011-05-04 15:37:28 +02001922 * @mask: bitmask where to match pattern and where to ignore bytes,
1923 * one bit per byte, in same format as nl80211
1924 * @pattern: bytes to match where bitmask is 1
1925 * @pattern_len: length of pattern (in bytes)
Amitkumar Karwarbb92d192013-02-12 12:16:26 -08001926 * @pkt_offset: packet offset (in bytes)
Johannes Bergff1b6e62011-05-04 15:37:28 +02001927 *
1928 * Internal note: @mask and @pattern are allocated in one chunk of
1929 * memory, free @mask only!
1930 */
Amitkumar Karwar50ac6602013-06-25 19:03:56 -07001931struct cfg80211_pkt_pattern {
Johannes Berg922bd802014-05-19 17:59:50 +02001932 const u8 *mask, *pattern;
Johannes Bergff1b6e62011-05-04 15:37:28 +02001933 int pattern_len;
Amitkumar Karwarbb92d192013-02-12 12:16:26 -08001934 int pkt_offset;
Johannes Bergff1b6e62011-05-04 15:37:28 +02001935};
1936
1937/**
Johannes Berg2a0e0472013-01-23 22:57:40 +01001938 * struct cfg80211_wowlan_tcp - TCP connection parameters
1939 *
1940 * @sock: (internal) socket for source port allocation
1941 * @src: source IP address
1942 * @dst: destination IP address
1943 * @dst_mac: destination MAC address
1944 * @src_port: source port
1945 * @dst_port: destination port
1946 * @payload_len: data payload length
1947 * @payload: data payload buffer
1948 * @payload_seq: payload sequence stamping configuration
1949 * @data_interval: interval at which to send data packets
1950 * @wake_len: wakeup payload match length
1951 * @wake_data: wakeup payload match data
1952 * @wake_mask: wakeup payload match mask
1953 * @tokens_size: length of the tokens buffer
1954 * @payload_tok: payload token usage configuration
1955 */
1956struct cfg80211_wowlan_tcp {
1957 struct socket *sock;
1958 __be32 src, dst;
1959 u16 src_port, dst_port;
1960 u8 dst_mac[ETH_ALEN];
1961 int payload_len;
1962 const u8 *payload;
1963 struct nl80211_wowlan_tcp_data_seq payload_seq;
1964 u32 data_interval;
1965 u32 wake_len;
1966 const u8 *wake_data, *wake_mask;
1967 u32 tokens_size;
1968 /* must be last, variable member */
1969 struct nl80211_wowlan_tcp_data_token payload_tok;
Johannes Bergff1b6e62011-05-04 15:37:28 +02001970};
1971
1972/**
1973 * struct cfg80211_wowlan - Wake on Wireless-LAN support info
1974 *
1975 * This structure defines the enabled WoWLAN triggers for the device.
1976 * @any: wake up on any activity -- special trigger if device continues
1977 * operating as normal during suspend
1978 * @disconnect: wake up if getting disconnected
1979 * @magic_pkt: wake up on receiving magic packet
1980 * @patterns: wake up on receiving packet matching a pattern
1981 * @n_patterns: number of patterns
Johannes Berg77dbbb12011-07-13 10:48:55 +02001982 * @gtk_rekey_failure: wake up on GTK rekey failure
1983 * @eap_identity_req: wake up on EAP identity request packet
1984 * @four_way_handshake: wake up on 4-way handshake
1985 * @rfkill_release: wake up when rfkill is released
Johannes Berg2a0e0472013-01-23 22:57:40 +01001986 * @tcp: TCP connection establishment/wakeup parameters, see nl80211.h.
1987 * NULL if not configured.
Luciano Coelho8cd4d452014-09-17 11:55:28 +03001988 * @nd_config: configuration for the scan to be used for net detect wake.
Johannes Bergff1b6e62011-05-04 15:37:28 +02001989 */
1990struct cfg80211_wowlan {
Johannes Berg77dbbb12011-07-13 10:48:55 +02001991 bool any, disconnect, magic_pkt, gtk_rekey_failure,
1992 eap_identity_req, four_way_handshake,
1993 rfkill_release;
Amitkumar Karwar50ac6602013-06-25 19:03:56 -07001994 struct cfg80211_pkt_pattern *patterns;
Johannes Berg2a0e0472013-01-23 22:57:40 +01001995 struct cfg80211_wowlan_tcp *tcp;
Johannes Bergff1b6e62011-05-04 15:37:28 +02001996 int n_patterns;
Luciano Coelho8cd4d452014-09-17 11:55:28 +03001997 struct cfg80211_sched_scan_request *nd_config;
Johannes Bergff1b6e62011-05-04 15:37:28 +02001998};
1999
2000/**
Amitkumar Karwarbe29b992013-06-28 11:51:26 -07002001 * struct cfg80211_coalesce_rules - Coalesce rule parameters
2002 *
2003 * This structure defines coalesce rule for the device.
2004 * @delay: maximum coalescing delay in msecs.
2005 * @condition: condition for packet coalescence.
2006 * see &enum nl80211_coalesce_condition.
2007 * @patterns: array of packet patterns
2008 * @n_patterns: number of patterns
2009 */
2010struct cfg80211_coalesce_rules {
2011 int delay;
2012 enum nl80211_coalesce_condition condition;
2013 struct cfg80211_pkt_pattern *patterns;
2014 int n_patterns;
2015};
2016
2017/**
2018 * struct cfg80211_coalesce - Packet coalescing settings
2019 *
2020 * This structure defines coalescing settings.
2021 * @rules: array of coalesce rules
2022 * @n_rules: number of rules
2023 */
2024struct cfg80211_coalesce {
2025 struct cfg80211_coalesce_rules *rules;
2026 int n_rules;
2027};
2028
2029/**
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002030 * struct cfg80211_wowlan_nd_match - information about the match
2031 *
2032 * @ssid: SSID of the match that triggered the wake up
2033 * @n_channels: Number of channels where the match occurred. This
2034 * value may be zero if the driver can't report the channels.
2035 * @channels: center frequencies of the channels where a match
2036 * occurred (in MHz)
2037 */
2038struct cfg80211_wowlan_nd_match {
2039 struct cfg80211_ssid ssid;
2040 int n_channels;
2041 u32 channels[];
2042};
2043
2044/**
2045 * struct cfg80211_wowlan_nd_info - net detect wake up information
2046 *
2047 * @n_matches: Number of match information instances provided in
2048 * @matches. This value may be zero if the driver can't provide
2049 * match information.
2050 * @matches: Array of pointers to matches containing information about
2051 * the matches that triggered the wake up.
2052 */
2053struct cfg80211_wowlan_nd_info {
2054 int n_matches;
2055 struct cfg80211_wowlan_nd_match *matches[];
2056};
2057
2058/**
Johannes Bergcd8f7cb2013-01-22 12:34:29 +01002059 * struct cfg80211_wowlan_wakeup - wakeup report
2060 * @disconnect: woke up by getting disconnected
2061 * @magic_pkt: woke up by receiving magic packet
2062 * @gtk_rekey_failure: woke up by GTK rekey failure
2063 * @eap_identity_req: woke up by EAP identity request packet
2064 * @four_way_handshake: woke up by 4-way handshake
2065 * @rfkill_release: woke up by rfkill being released
2066 * @pattern_idx: pattern that caused wakeup, -1 if not due to pattern
2067 * @packet_present_len: copied wakeup packet data
2068 * @packet_len: original wakeup packet length
2069 * @packet: The packet causing the wakeup, if any.
2070 * @packet_80211: For pattern match, magic packet and other data
2071 * frame triggers an 802.3 frame should be reported, for
2072 * disconnect due to deauth 802.11 frame. This indicates which
2073 * it is.
Johannes Berg2a0e0472013-01-23 22:57:40 +01002074 * @tcp_match: TCP wakeup packet received
2075 * @tcp_connlost: TCP connection lost or failed to establish
2076 * @tcp_nomoretokens: TCP data ran out of tokens
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002077 * @net_detect: if not %NULL, woke up because of net detect
Johannes Bergcd8f7cb2013-01-22 12:34:29 +01002078 */
2079struct cfg80211_wowlan_wakeup {
2080 bool disconnect, magic_pkt, gtk_rekey_failure,
2081 eap_identity_req, four_way_handshake,
Johannes Berg2a0e0472013-01-23 22:57:40 +01002082 rfkill_release, packet_80211,
2083 tcp_match, tcp_connlost, tcp_nomoretokens;
Johannes Bergcd8f7cb2013-01-22 12:34:29 +01002084 s32 pattern_idx;
2085 u32 packet_present_len, packet_len;
2086 const void *packet;
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002087 struct cfg80211_wowlan_nd_info *net_detect;
Johannes Bergcd8f7cb2013-01-22 12:34:29 +01002088};
2089
2090/**
Johannes Berge5497d72011-07-05 16:35:40 +02002091 * struct cfg80211_gtk_rekey_data - rekey data
Johannes Berg78f686c2014-09-10 22:28:06 +03002092 * @kek: key encryption key (NL80211_KEK_LEN bytes)
2093 * @kck: key confirmation key (NL80211_KCK_LEN bytes)
2094 * @replay_ctr: replay counter (NL80211_REPLAY_CTR_LEN bytes)
Johannes Berge5497d72011-07-05 16:35:40 +02002095 */
2096struct cfg80211_gtk_rekey_data {
Johannes Berg78f686c2014-09-10 22:28:06 +03002097 const u8 *kek, *kck, *replay_ctr;
Johannes Berge5497d72011-07-05 16:35:40 +02002098};
2099
2100/**
Jouni Malinen355199e2013-02-27 17:14:27 +02002101 * struct cfg80211_update_ft_ies_params - FT IE Information
2102 *
2103 * This structure provides information needed to update the fast transition IE
2104 *
2105 * @md: The Mobility Domain ID, 2 Octet value
2106 * @ie: Fast Transition IEs
2107 * @ie_len: Length of ft_ie in octets
2108 */
2109struct cfg80211_update_ft_ies_params {
2110 u16 md;
2111 const u8 *ie;
2112 size_t ie_len;
2113};
2114
2115/**
Andrei Otcheretianskib176e622013-11-18 19:06:49 +02002116 * struct cfg80211_mgmt_tx_params - mgmt tx parameters
2117 *
2118 * This structure provides information needed to transmit a mgmt frame
2119 *
2120 * @chan: channel to use
2121 * @offchan: indicates wether off channel operation is required
2122 * @wait: duration for ROC
2123 * @buf: buffer to transmit
2124 * @len: buffer length
2125 * @no_cck: don't use cck rates for this frame
2126 * @dont_wait_for_ack: tells the low level not to wait for an ack
Andrei Otcheretianski34d22ce2014-05-09 14:11:44 +03002127 * @n_csa_offsets: length of csa_offsets array
2128 * @csa_offsets: array of all the csa offsets in the frame
Andrei Otcheretianskib176e622013-11-18 19:06:49 +02002129 */
2130struct cfg80211_mgmt_tx_params {
2131 struct ieee80211_channel *chan;
2132 bool offchan;
2133 unsigned int wait;
2134 const u8 *buf;
2135 size_t len;
2136 bool no_cck;
2137 bool dont_wait_for_ack;
Andrei Otcheretianski34d22ce2014-05-09 14:11:44 +03002138 int n_csa_offsets;
2139 const u16 *csa_offsets;
Andrei Otcheretianskib176e622013-11-18 19:06:49 +02002140};
2141
2142/**
Kyeyoon Parkfa9ffc72013-12-16 23:01:30 -08002143 * struct cfg80211_dscp_exception - DSCP exception
2144 *
2145 * @dscp: DSCP value that does not adhere to the user priority range definition
2146 * @up: user priority value to which the corresponding DSCP value belongs
2147 */
2148struct cfg80211_dscp_exception {
2149 u8 dscp;
2150 u8 up;
2151};
2152
2153/**
2154 * struct cfg80211_dscp_range - DSCP range definition for user priority
2155 *
2156 * @low: lowest DSCP value of this user priority range, inclusive
2157 * @high: highest DSCP value of this user priority range, inclusive
2158 */
2159struct cfg80211_dscp_range {
2160 u8 low;
2161 u8 high;
2162};
2163
2164/* QoS Map Set element length defined in IEEE Std 802.11-2012, 8.4.2.97 */
2165#define IEEE80211_QOS_MAP_MAX_EX 21
2166#define IEEE80211_QOS_MAP_LEN_MIN 16
2167#define IEEE80211_QOS_MAP_LEN_MAX \
2168 (IEEE80211_QOS_MAP_LEN_MIN + 2 * IEEE80211_QOS_MAP_MAX_EX)
2169
2170/**
2171 * struct cfg80211_qos_map - QoS Map Information
2172 *
2173 * This struct defines the Interworking QoS map setting for DSCP values
2174 *
2175 * @num_des: number of DSCP exceptions (0..21)
2176 * @dscp_exception: optionally up to maximum of 21 DSCP exceptions from
2177 * the user priority DSCP range definition
2178 * @up: DSCP range definition for a particular user priority
2179 */
2180struct cfg80211_qos_map {
2181 u8 num_des;
2182 struct cfg80211_dscp_exception dscp_exception[IEEE80211_QOS_MAP_MAX_EX];
2183 struct cfg80211_dscp_range up[8];
2184};
2185
2186/**
Johannes Berg704232c2007-04-23 12:20:05 -07002187 * struct cfg80211_ops - backend description for wireless configuration
2188 *
2189 * This struct is registered by fullmac card drivers and/or wireless stacks
2190 * in order to handle configuration requests on their interfaces.
2191 *
2192 * All callbacks except where otherwise noted should return 0
2193 * on success or a negative error code.
2194 *
Johannes Berg43fb45cb2007-04-24 14:07:27 -07002195 * All operations are currently invoked under rtnl for consistency with the
2196 * wireless extensions but this is subject to reevaluation as soon as this
2197 * code is used more widely and we have a first user without wext.
2198 *
Johannes Bergff1b6e62011-05-04 15:37:28 +02002199 * @suspend: wiphy device needs to be suspended. The variable @wow will
2200 * be %NULL or contain the enabled Wake-on-Wireless triggers that are
2201 * configured for the device.
Johannes Berg0378b3f2009-01-19 11:20:52 -05002202 * @resume: wiphy device needs to be resumed
Johannes Berg6d525632012-04-04 15:05:25 +02002203 * @set_wakeup: Called when WoWLAN is enabled/disabled, use this callback
2204 * to call device_set_wakeup_enable() to enable/disable wakeup from
2205 * the device.
Johannes Berg0378b3f2009-01-19 11:20:52 -05002206 *
Johannes Berg60719ff2008-09-16 14:55:09 +02002207 * @add_virtual_intf: create a new virtual interface with the given name,
Johannes Berg463d0182009-07-14 00:33:35 +02002208 * must set the struct wireless_dev's iftype. Beware: You must create
Johannes Berg84efbb82012-06-16 00:00:26 +02002209 * the new netdev in the wiphy's network namespace! Returns the struct
Johannes Berg98104fde2012-06-16 00:19:54 +02002210 * wireless_dev, or an ERR_PTR. For P2P device wdevs, the driver must
2211 * also set the address member in the wdev.
Johannes Berg704232c2007-04-23 12:20:05 -07002212 *
Johannes Berg84efbb82012-06-16 00:00:26 +02002213 * @del_virtual_intf: remove the virtual interface
Johannes Berg55682962007-09-20 13:09:35 -04002214 *
Johannes Berg60719ff2008-09-16 14:55:09 +02002215 * @change_virtual_intf: change type/configuration of virtual interface,
2216 * keep the struct wireless_dev's iftype updated.
Johannes Berg55682962007-09-20 13:09:35 -04002217 *
Johannes Berg41ade002007-12-19 02:03:29 +01002218 * @add_key: add a key with the given parameters. @mac_addr will be %NULL
2219 * when adding a group key.
2220 *
2221 * @get_key: get information about the key with the given parameters.
2222 * @mac_addr will be %NULL when requesting information for a group
2223 * key. All pointers given to the @callback function need not be valid
Johannes Berge3da5742009-05-18 19:56:36 +02002224 * after it returns. This function should return an error if it is
2225 * not possible to retrieve the key, -ENOENT if it doesn't exist.
Johannes Berg41ade002007-12-19 02:03:29 +01002226 *
2227 * @del_key: remove a key given the @mac_addr (%NULL for a group key)
Johannes Berge3da5742009-05-18 19:56:36 +02002228 * and @key_index, return -ENOENT if the key doesn't exist.
Johannes Berg41ade002007-12-19 02:03:29 +01002229 *
2230 * @set_default_key: set the default key on an interface
Johannes Berged1b6cc2007-12-19 02:03:32 +01002231 *
Jouni Malinen3cfcf6ac2009-01-08 13:32:02 +02002232 * @set_default_mgmt_key: set the default management frame key on an interface
2233 *
Johannes Berge5497d72011-07-05 16:35:40 +02002234 * @set_rekey_data: give the data necessary for GTK rekeying to the driver
2235 *
Johannes Bergc04a4ff2012-03-01 15:28:19 +01002236 * @start_ap: Start acting in AP mode defined by the parameters.
2237 * @change_beacon: Change the beacon parameters for an access point mode
2238 * interface. This should reject the call when AP mode wasn't started.
2239 * @stop_ap: Stop being an AP, including stopping beaconing.
Johannes Berg5727ef12007-12-19 02:03:34 +01002240 *
2241 * @add_station: Add a new station.
Jouni Malinen89c771e2014-10-10 20:52:40 +03002242 * @del_station: Remove a station
Johannes Bergbdd90d52011-12-14 12:20:27 +01002243 * @change_station: Modify a given station. Note that flags changes are not much
2244 * validated in cfg80211, in particular the auth/assoc/authorized flags
2245 * might come to the driver in invalid combinations -- make sure to check
Johannes Berg77ee7c82013-02-15 00:48:33 +01002246 * them, also against the existing state! Drivers must call
2247 * cfg80211_check_station_change() to validate the information.
Johannes Bergabe37c42010-06-07 11:12:27 +02002248 * @get_station: get station information for the station identified by @mac
2249 * @dump_station: dump station callback -- resume dump at index @idx
2250 *
2251 * @add_mpath: add a fixed mesh path
2252 * @del_mpath: delete a given mesh path
2253 * @change_mpath: change a given mesh path
2254 * @get_mpath: get a mesh path for the given parameters
2255 * @dump_mpath: dump mesh path callback -- resume dump at index @idx
Henning Rogge66be7d22014-09-12 08:58:49 +02002256 * @get_mpp: get a mesh proxy path for the given parameters
2257 * @dump_mpp: dump mesh proxy path callback -- resume dump at index @idx
Johannes Bergf52555a2011-01-06 22:36:45 +01002258 * @join_mesh: join the mesh network with the specified parameters
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002259 * (invoked with the wireless_dev mutex held)
Johannes Bergf52555a2011-01-06 22:36:45 +01002260 * @leave_mesh: leave the current mesh network
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002261 * (invoked with the wireless_dev mutex held)
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002262 *
Javier Cardona24bdd9f2010-12-16 17:37:48 -08002263 * @get_mesh_config: Get the current mesh configuration
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07002264 *
Javier Cardona24bdd9f2010-12-16 17:37:48 -08002265 * @update_mesh_config: Update mesh parameters on a running mesh.
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07002266 * The mask is a bitfield which tells us which parameters to
2267 * set, and which to leave alone.
2268 *
Jouni Malinen9f1ba902008-08-07 20:07:01 +03002269 * @change_bss: Modify parameters for a given BSS.
Jouni Malinen31888482008-10-30 16:59:24 +02002270 *
2271 * @set_txq_params: Set TX queue parameters
Jouni Malinen72bdcf32008-11-26 16:15:24 +02002272 *
Johannes Berge8c9bd52012-06-06 08:18:22 +02002273 * @libertas_set_mesh_channel: Only for backward compatibility for libertas,
2274 * as it doesn't implement join_mesh and needs to set the channel to
2275 * join the mesh instead.
2276 *
2277 * @set_monitor_channel: Set the monitor mode channel for the device. If other
2278 * interfaces are active this callback should reject the configuration.
2279 * If no interfaces are active or the device is down, the channel should
2280 * be stored for when a monitor interface becomes active.
Jouni Malinen9aed3cc2009-01-13 16:03:29 +02002281 *
Johannes Berg2a519312009-02-10 21:25:55 +01002282 * @scan: Request to do a scan. If returning zero, the scan request is given
2283 * the driver, and will be valid until passed to cfg80211_scan_done().
2284 * For scan results, call cfg80211_inform_bss(); you can call this outside
2285 * the scan/scan_done bracket too.
Jouni Malinen636a5d32009-03-19 13:39:22 +02002286 *
2287 * @auth: Request to authenticate with the specified peer
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002288 * (invoked with the wireless_dev mutex held)
Jouni Malinen636a5d32009-03-19 13:39:22 +02002289 * @assoc: Request to (re)associate with the specified peer
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002290 * (invoked with the wireless_dev mutex held)
Jouni Malinen636a5d32009-03-19 13:39:22 +02002291 * @deauth: Request to deauthenticate from the specified peer
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002292 * (invoked with the wireless_dev mutex held)
Jouni Malinen636a5d32009-03-19 13:39:22 +02002293 * @disassoc: Request to disassociate from the specified peer
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002294 * (invoked with the wireless_dev mutex held)
Johannes Berg04a773a2009-04-19 21:24:32 +02002295 *
Samuel Ortizb23aa672009-07-01 21:26:54 +02002296 * @connect: Connect to the ESS with the specified parameters. When connected,
2297 * call cfg80211_connect_result() with status code %WLAN_STATUS_SUCCESS.
2298 * If the connection fails for some reason, call cfg80211_connect_result()
2299 * with the status from the AP.
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002300 * (invoked with the wireless_dev mutex held)
Samuel Ortizb23aa672009-07-01 21:26:54 +02002301 * @disconnect: Disconnect from the BSS/ESS.
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002302 * (invoked with the wireless_dev mutex held)
Samuel Ortizb23aa672009-07-01 21:26:54 +02002303 *
Johannes Berg04a773a2009-04-19 21:24:32 +02002304 * @join_ibss: Join the specified IBSS (or create if necessary). Once done, call
2305 * cfg80211_ibss_joined(), also call that function when changing BSSID due
2306 * to a merge.
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002307 * (invoked with the wireless_dev mutex held)
Johannes Berg04a773a2009-04-19 21:24:32 +02002308 * @leave_ibss: Leave the IBSS.
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002309 * (invoked with the wireless_dev mutex held)
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02002310 *
Antonio Quartullif4e583c2012-11-02 13:27:48 +01002311 * @set_mcast_rate: Set the specified multicast rate (only if vif is in ADHOC or
2312 * MESH mode)
2313 *
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02002314 * @set_wiphy_params: Notify that wiphy parameters have changed;
2315 * @changed bitfield (see &enum wiphy_params_flags) describes which values
2316 * have changed. The actual parameter values are available in
2317 * struct wiphy. If returning an error, no value should be changed.
Johannes Berg7643a2c2009-06-02 13:01:39 +02002318 *
Luis R. Rodriguez1432de02011-11-28 16:38:46 -05002319 * @set_tx_power: set the transmit power according to the parameters,
Johannes Bergc8442112012-10-24 10:17:18 +02002320 * the power passed is in mBm, to get dBm use MBM_TO_DBM(). The
2321 * wdev may be %NULL if power was set for the wiphy, and will
2322 * always be %NULL unless the driver supports per-vif TX power
2323 * (as advertised by the nl80211 feature flag.)
Johannes Berg7643a2c2009-06-02 13:01:39 +02002324 * @get_tx_power: store the current TX power into the dbm variable;
Johannes Berg1f87f7d2009-06-02 13:01:41 +02002325 * return 0 if successful
2326 *
Johannes Bergabe37c42010-06-07 11:12:27 +02002327 * @set_wds_peer: set the WDS peer for a WDS interface
2328 *
Johannes Berg1f87f7d2009-06-02 13:01:41 +02002329 * @rfkill_poll: polls the hw rfkill line, use cfg80211 reporting
2330 * functions to adjust rfkill hw state
Johannes Bergaff89a92009-07-01 21:26:51 +02002331 *
Holger Schurig61fa7132009-11-11 12:25:40 +01002332 * @dump_survey: get site survey information.
2333 *
Jouni Malinen9588bbd2009-12-23 13:15:41 +01002334 * @remain_on_channel: Request the driver to remain awake on the specified
2335 * channel for the specified duration to complete an off-channel
2336 * operation (e.g., public action frame exchange). When the driver is
2337 * ready on the requested channel, it must indicate this with an event
2338 * notification by calling cfg80211_ready_on_channel().
2339 * @cancel_remain_on_channel: Cancel an on-going remain-on-channel operation.
2340 * This allows the operation to be terminated prior to timeout based on
2341 * the duration value.
Johannes Bergf7ca38d2010-11-25 10:02:29 +01002342 * @mgmt_tx: Transmit a management frame.
2343 * @mgmt_tx_cancel_wait: Cancel the wait time from transmitting a management
2344 * frame on another channel
Jouni Malinen9588bbd2009-12-23 13:15:41 +01002345 *
David Spinadelfc73f112013-07-31 18:04:15 +03002346 * @testmode_cmd: run a test mode command; @wdev may be %NULL
Wey-Yi Guy71063f02011-05-20 09:05:54 -07002347 * @testmode_dump: Implement a test mode dump. The cb->args[2] and up may be
2348 * used by the function, but 0 and 1 must not be touched. Additionally,
2349 * return error codes other than -ENOBUFS and -ENOENT will terminate the
2350 * dump and return to userspace with an error, so be careful. If any data
2351 * was passed in from userspace then the data/len arguments will be present
2352 * and point to the data contained in %NL80211_ATTR_TESTDATA.
Samuel Ortiz67fbb162009-11-24 23:59:15 +01002353 *
Johannes Bergabe37c42010-06-07 11:12:27 +02002354 * @set_bitrate_mask: set the bitrate mask configuration
2355 *
Samuel Ortiz67fbb162009-11-24 23:59:15 +01002356 * @set_pmksa: Cache a PMKID for a BSSID. This is mostly useful for fullmac
2357 * devices running firmwares capable of generating the (re) association
2358 * RSN IE. It allows for faster roaming between WPA2 BSSIDs.
2359 * @del_pmksa: Delete a cached PMKID.
2360 * @flush_pmksa: Flush all cached PMKIDs.
Juuso Oikarinen9043f3b2010-04-27 12:47:41 +03002361 * @set_power_mgmt: Configure WLAN power management. A timeout value of -1
2362 * allows the driver to adjust the dynamic ps timeout value.
Juuso Oikarinend6dc1a32010-03-23 09:02:33 +02002363 * @set_cqm_rssi_config: Configure connection quality monitor RSSI threshold.
Thomas Pedersen84f10702012-07-12 16:17:33 -07002364 * @set_cqm_txe_config: Configure connection quality monitor TX error
2365 * thresholds.
Luciano Coelho807f8a82011-05-11 17:09:35 +03002366 * @sched_scan_start: Tell the driver to start a scheduled scan.
Johannes Bergd9b83962014-02-13 17:16:10 +01002367 * @sched_scan_stop: Tell the driver to stop an ongoing scheduled scan. This
2368 * call must stop the scheduled scan and be ready for starting a new one
2369 * before it returns, i.e. @sched_scan_start may be called immediately
2370 * after that again and should not fail in that case. The driver should
2371 * not call cfg80211_sched_scan_stopped() for a requested stop (when this
2372 * method returns 0.)
Samuel Ortiz67fbb162009-11-24 23:59:15 +01002373 *
Johannes Berg271733c2010-10-13 12:06:23 +02002374 * @mgmt_frame_register: Notify driver that a management frame type was
Johannes Berg33d87832015-06-23 17:47:05 +02002375 * registered. The callback is allowed to sleep.
Bruno Randolf547025d2010-12-02 16:23:12 +09002376 *
2377 * @set_antenna: Set antenna configuration (tx_ant, rx_ant) on the device.
2378 * Parameters are bitmaps of allowed antennas to use for TX/RX. Drivers may
2379 * reject TX/RX mask combinations they cannot support by returning -EINVAL
2380 * (also see nl80211.h @NL80211_ATTR_WIPHY_ANTENNA_TX).
2381 *
2382 * @get_antenna: Get current antenna configuration from device (tx_ant, rx_ant).
John W. Linville36777132011-03-07 16:17:59 -05002383 *
Arik Nemtsov109086c2011-09-28 14:12:50 +03002384 * @tdls_mgmt: Transmit a TDLS management frame.
2385 * @tdls_oper: Perform a high-level TDLS operation (e.g. TDLS link setup).
Johannes Berg7f6cf312011-11-04 11:18:15 +01002386 *
2387 * @probe_client: probe an associated client, must return a cookie that it
2388 * later passes to cfg80211_probe_status().
Simon Wunderlich1d9d9212011-11-18 14:20:43 +01002389 *
2390 * @set_noack_map: Set the NoAck Map for the TIDs.
Ben Greeard6199212012-04-23 12:50:29 -07002391 *
Johannes Berg5b7ccaf2012-07-12 19:45:08 +02002392 * @get_channel: Get the current operating channel for the virtual interface.
2393 * For monitor interfaces, it should return %NULL unless there's a single
2394 * current monitoring channel.
Johannes Berg98104fde2012-06-16 00:19:54 +02002395 *
2396 * @start_p2p_device: Start the given P2P device.
2397 * @stop_p2p_device: Stop the given P2P device.
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +05302398 *
2399 * @set_mac_acl: Sets MAC address control list in AP and P2P GO mode.
2400 * Parameters include ACL policy, an array of MAC address of stations
2401 * and the number of MAC addresses. If there is already a list in driver
2402 * this new list replaces the existing one. Driver has to clear its ACL
2403 * when number of MAC addresses entries is passed as 0. Drivers which
2404 * advertise the support for MAC based ACL have to implement this callback.
Simon Wunderlich04f39042013-02-08 18:16:19 +01002405 *
2406 * @start_radar_detection: Start radar detection in the driver.
Jouni Malinen8bf24292013-03-25 11:15:59 +02002407 *
2408 * @update_ft_ies: Provide updated Fast BSS Transition information to the
2409 * driver. If the SME is in the driver/firmware, this information can be
2410 * used in building Authentication and Reassociation Request frames.
Arend van Spriel5de17982013-04-18 15:49:00 +02002411 *
2412 * @crit_proto_start: Indicates a critical protocol needs more link reliability
2413 * for a given duration (milliseconds). The protocol is provided so the
2414 * driver can take the most appropriate actions.
2415 * @crit_proto_stop: Indicates critical protocol no longer needs increased link
2416 * reliability. This operation can not fail.
Amitkumar Karwarbe29b992013-06-28 11:51:26 -07002417 * @set_coalesce: Set coalesce parameters.
Simon Wunderlich16ef1fe2013-07-11 16:09:05 +02002418 *
Michal Kazior97dc94f2014-06-25 12:35:10 +02002419 * @channel_switch: initiate channel-switch procedure (with CSA). Driver is
2420 * responsible for veryfing if the switch is possible. Since this is
2421 * inherently tricky driver may decide to disconnect an interface later
2422 * with cfg80211_stop_iface(). This doesn't mean driver can accept
2423 * everything. It should do it's best to verify requests and reject them
2424 * as soon as possible.
Kyeyoon Parkfa9ffc72013-12-16 23:01:30 -08002425 *
2426 * @set_qos_map: Set QoS mapping information to the driver
Jouni Malinene16821b2014-04-28 11:22:08 +03002427 *
2428 * @set_ap_chanwidth: Set the AP (including P2P GO) mode channel width for the
2429 * given interface This is used e.g. for dynamic HT 20/40 MHz channel width
2430 * changes during the lifetime of the BSS.
Johannes Berg960d01a2014-09-09 22:55:35 +03002431 *
2432 * @add_tx_ts: validate (if admitted_time is 0) or add a TX TS to the device
2433 * with the given parameters; action frame exchange has been handled by
2434 * userspace so this just has to modify the TX path to take the TS into
2435 * account.
2436 * If the admitted time is 0 just validate the parameters to make sure
2437 * the session can be created at all; it is valid to just always return
2438 * success for that but that may result in inefficient behaviour (handshake
2439 * with the peer followed by immediate teardown when the addition is later
2440 * rejected)
2441 * @del_tx_ts: remove an existing TX TS
Rostislav Lisovy6e0bd6c2014-11-03 10:33:18 +01002442 *
2443 * @join_ocb: join the OCB network with the specified parameters
2444 * (invoked with the wireless_dev mutex held)
2445 * @leave_ocb: leave the current OCB network
2446 * (invoked with the wireless_dev mutex held)
Arik Nemtsov1057d352014-11-19 12:54:26 +02002447 *
2448 * @tdls_channel_switch: Start channel-switching with a TDLS peer. The driver
2449 * is responsible for continually initiating channel-switching operations
2450 * and returning to the base channel for communication with the AP.
2451 * @tdls_cancel_channel_switch: Stop channel-switching with a TDLS peer. Both
2452 * peers must be on the base channel when the call completes.
Johannes Berg704232c2007-04-23 12:20:05 -07002453 */
2454struct cfg80211_ops {
Johannes Bergff1b6e62011-05-04 15:37:28 +02002455 int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
Johannes Berg0378b3f2009-01-19 11:20:52 -05002456 int (*resume)(struct wiphy *wiphy);
Johannes Berg6d525632012-04-04 15:05:25 +02002457 void (*set_wakeup)(struct wiphy *wiphy, bool enabled);
Johannes Berg0378b3f2009-01-19 11:20:52 -05002458
Johannes Berg84efbb82012-06-16 00:00:26 +02002459 struct wireless_dev * (*add_virtual_intf)(struct wiphy *wiphy,
Johannes Berg552bff02012-09-19 09:26:06 +02002460 const char *name,
Tom Gundersen6bab2e192015-03-18 11:13:39 +01002461 unsigned char name_assign_type,
Johannes Berg84efbb82012-06-16 00:00:26 +02002462 enum nl80211_iftype type,
2463 u32 *flags,
2464 struct vif_params *params);
2465 int (*del_virtual_intf)(struct wiphy *wiphy,
2466 struct wireless_dev *wdev);
Johannes Berge36d56b2009-06-09 21:04:43 +02002467 int (*change_virtual_intf)(struct wiphy *wiphy,
2468 struct net_device *dev,
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002469 enum nl80211_iftype type, u32 *flags,
2470 struct vif_params *params);
Johannes Berg41ade002007-12-19 02:03:29 +01002471
2472 int (*add_key)(struct wiphy *wiphy, struct net_device *netdev,
Johannes Berge31b8212010-10-05 19:39:30 +02002473 u8 key_index, bool pairwise, const u8 *mac_addr,
Johannes Berg41ade002007-12-19 02:03:29 +01002474 struct key_params *params);
2475 int (*get_key)(struct wiphy *wiphy, struct net_device *netdev,
Johannes Berge31b8212010-10-05 19:39:30 +02002476 u8 key_index, bool pairwise, const u8 *mac_addr,
2477 void *cookie,
Johannes Berg41ade002007-12-19 02:03:29 +01002478 void (*callback)(void *cookie, struct key_params*));
2479 int (*del_key)(struct wiphy *wiphy, struct net_device *netdev,
Johannes Berge31b8212010-10-05 19:39:30 +02002480 u8 key_index, bool pairwise, const u8 *mac_addr);
Johannes Berg41ade002007-12-19 02:03:29 +01002481 int (*set_default_key)(struct wiphy *wiphy,
2482 struct net_device *netdev,
Johannes Bergdbd2fd62010-12-09 19:58:59 +01002483 u8 key_index, bool unicast, bool multicast);
Jouni Malinen3cfcf6ac2009-01-08 13:32:02 +02002484 int (*set_default_mgmt_key)(struct wiphy *wiphy,
2485 struct net_device *netdev,
2486 u8 key_index);
Johannes Berged1b6cc2007-12-19 02:03:32 +01002487
Johannes Berg88600202012-02-13 15:17:18 +01002488 int (*start_ap)(struct wiphy *wiphy, struct net_device *dev,
2489 struct cfg80211_ap_settings *settings);
2490 int (*change_beacon)(struct wiphy *wiphy, struct net_device *dev,
2491 struct cfg80211_beacon_data *info);
2492 int (*stop_ap)(struct wiphy *wiphy, struct net_device *dev);
Johannes Berg5727ef12007-12-19 02:03:34 +01002493
2494
2495 int (*add_station)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002496 const u8 *mac,
2497 struct station_parameters *params);
Johannes Berg5727ef12007-12-19 02:03:34 +01002498 int (*del_station)(struct wiphy *wiphy, struct net_device *dev,
Jouni Malinen89c771e2014-10-10 20:52:40 +03002499 struct station_del_parameters *params);
Johannes Berg5727ef12007-12-19 02:03:34 +01002500 int (*change_station)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002501 const u8 *mac,
2502 struct station_parameters *params);
Johannes Bergfd5b74d2007-12-19 02:03:36 +01002503 int (*get_station)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002504 const u8 *mac, struct station_info *sinfo);
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002505 int (*dump_station)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002506 int idx, u8 *mac, struct station_info *sinfo);
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002507
2508 int (*add_mpath)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002509 const u8 *dst, const u8 *next_hop);
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002510 int (*del_mpath)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002511 const u8 *dst);
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002512 int (*change_mpath)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002513 const u8 *dst, const u8 *next_hop);
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002514 int (*get_mpath)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002515 u8 *dst, u8 *next_hop, struct mpath_info *pinfo);
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002516 int (*dump_mpath)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002517 int idx, u8 *dst, u8 *next_hop,
2518 struct mpath_info *pinfo);
Henning Rogge66be7d22014-09-12 08:58:49 +02002519 int (*get_mpp)(struct wiphy *wiphy, struct net_device *dev,
2520 u8 *dst, u8 *mpp, struct mpath_info *pinfo);
2521 int (*dump_mpp)(struct wiphy *wiphy, struct net_device *dev,
2522 int idx, u8 *dst, u8 *mpp,
2523 struct mpath_info *pinfo);
Javier Cardona24bdd9f2010-12-16 17:37:48 -08002524 int (*get_mesh_config)(struct wiphy *wiphy,
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07002525 struct net_device *dev,
2526 struct mesh_config *conf);
Javier Cardona24bdd9f2010-12-16 17:37:48 -08002527 int (*update_mesh_config)(struct wiphy *wiphy,
Johannes Berg29cbe682010-12-03 09:20:44 +01002528 struct net_device *dev, u32 mask,
2529 const struct mesh_config *nconf);
2530 int (*join_mesh)(struct wiphy *wiphy, struct net_device *dev,
2531 const struct mesh_config *conf,
2532 const struct mesh_setup *setup);
2533 int (*leave_mesh)(struct wiphy *wiphy, struct net_device *dev);
2534
Rostislav Lisovy6e0bd6c2014-11-03 10:33:18 +01002535 int (*join_ocb)(struct wiphy *wiphy, struct net_device *dev,
2536 struct ocb_setup *setup);
2537 int (*leave_ocb)(struct wiphy *wiphy, struct net_device *dev);
2538
Jouni Malinen9f1ba902008-08-07 20:07:01 +03002539 int (*change_bss)(struct wiphy *wiphy, struct net_device *dev,
2540 struct bss_parameters *params);
Jouni Malinen31888482008-10-30 16:59:24 +02002541
Eliad Pellerf70f01c2011-09-25 20:06:53 +03002542 int (*set_txq_params)(struct wiphy *wiphy, struct net_device *dev,
Jouni Malinen31888482008-10-30 16:59:24 +02002543 struct ieee80211_txq_params *params);
Jouni Malinen72bdcf32008-11-26 16:15:24 +02002544
Johannes Berge8c9bd52012-06-06 08:18:22 +02002545 int (*libertas_set_mesh_channel)(struct wiphy *wiphy,
2546 struct net_device *dev,
2547 struct ieee80211_channel *chan);
2548
2549 int (*set_monitor_channel)(struct wiphy *wiphy,
Johannes Berg683b6d32012-11-08 21:25:48 +01002550 struct cfg80211_chan_def *chandef);
Jouni Malinen9aed3cc2009-01-13 16:03:29 +02002551
Johannes Bergfd014282012-06-18 19:17:03 +02002552 int (*scan)(struct wiphy *wiphy,
Johannes Berg2a519312009-02-10 21:25:55 +01002553 struct cfg80211_scan_request *request);
Jouni Malinen636a5d32009-03-19 13:39:22 +02002554
2555 int (*auth)(struct wiphy *wiphy, struct net_device *dev,
2556 struct cfg80211_auth_request *req);
2557 int (*assoc)(struct wiphy *wiphy, struct net_device *dev,
2558 struct cfg80211_assoc_request *req);
2559 int (*deauth)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg63c9c5e2012-02-24 13:50:51 +01002560 struct cfg80211_deauth_request *req);
Jouni Malinen636a5d32009-03-19 13:39:22 +02002561 int (*disassoc)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg63c9c5e2012-02-24 13:50:51 +01002562 struct cfg80211_disassoc_request *req);
Johannes Berg04a773a2009-04-19 21:24:32 +02002563
Samuel Ortizb23aa672009-07-01 21:26:54 +02002564 int (*connect)(struct wiphy *wiphy, struct net_device *dev,
2565 struct cfg80211_connect_params *sme);
2566 int (*disconnect)(struct wiphy *wiphy, struct net_device *dev,
2567 u16 reason_code);
2568
Johannes Berg04a773a2009-04-19 21:24:32 +02002569 int (*join_ibss)(struct wiphy *wiphy, struct net_device *dev,
2570 struct cfg80211_ibss_params *params);
2571 int (*leave_ibss)(struct wiphy *wiphy, struct net_device *dev);
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02002572
Antonio Quartullif4e583c2012-11-02 13:27:48 +01002573 int (*set_mcast_rate)(struct wiphy *wiphy, struct net_device *dev,
2574 int rate[IEEE80211_NUM_BANDS]);
2575
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02002576 int (*set_wiphy_params)(struct wiphy *wiphy, u32 changed);
Johannes Berg7643a2c2009-06-02 13:01:39 +02002577
Johannes Bergc8442112012-10-24 10:17:18 +02002578 int (*set_tx_power)(struct wiphy *wiphy, struct wireless_dev *wdev,
Juuso Oikarinenfa61cf72010-06-23 12:12:37 +03002579 enum nl80211_tx_power_setting type, int mbm);
Johannes Bergc8442112012-10-24 10:17:18 +02002580 int (*get_tx_power)(struct wiphy *wiphy, struct wireless_dev *wdev,
2581 int *dbm);
Johannes Berg1f87f7d2009-06-02 13:01:41 +02002582
Johannes Bergab737a42009-07-01 21:26:58 +02002583 int (*set_wds_peer)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg388ac772010-10-07 13:11:09 +02002584 const u8 *addr);
Johannes Bergab737a42009-07-01 21:26:58 +02002585
Johannes Berg1f87f7d2009-06-02 13:01:41 +02002586 void (*rfkill_poll)(struct wiphy *wiphy);
Johannes Bergaff89a92009-07-01 21:26:51 +02002587
2588#ifdef CONFIG_NL80211_TESTMODE
David Spinadelfc73f112013-07-31 18:04:15 +03002589 int (*testmode_cmd)(struct wiphy *wiphy, struct wireless_dev *wdev,
2590 void *data, int len);
Wey-Yi Guy71063f02011-05-20 09:05:54 -07002591 int (*testmode_dump)(struct wiphy *wiphy, struct sk_buff *skb,
2592 struct netlink_callback *cb,
2593 void *data, int len);
Johannes Bergaff89a92009-07-01 21:26:51 +02002594#endif
Johannes Bergbc92afd2009-07-01 21:26:57 +02002595
Johannes Berg99303802009-07-01 21:26:59 +02002596 int (*set_bitrate_mask)(struct wiphy *wiphy,
2597 struct net_device *dev,
2598 const u8 *peer,
2599 const struct cfg80211_bitrate_mask *mask);
2600
Holger Schurig61fa7132009-11-11 12:25:40 +01002601 int (*dump_survey)(struct wiphy *wiphy, struct net_device *netdev,
2602 int idx, struct survey_info *info);
2603
Samuel Ortiz67fbb162009-11-24 23:59:15 +01002604 int (*set_pmksa)(struct wiphy *wiphy, struct net_device *netdev,
2605 struct cfg80211_pmksa *pmksa);
2606 int (*del_pmksa)(struct wiphy *wiphy, struct net_device *netdev,
2607 struct cfg80211_pmksa *pmksa);
2608 int (*flush_pmksa)(struct wiphy *wiphy, struct net_device *netdev);
2609
Jouni Malinen9588bbd2009-12-23 13:15:41 +01002610 int (*remain_on_channel)(struct wiphy *wiphy,
Johannes Berg71bbc992012-06-15 15:30:18 +02002611 struct wireless_dev *wdev,
Jouni Malinen9588bbd2009-12-23 13:15:41 +01002612 struct ieee80211_channel *chan,
Jouni Malinen9588bbd2009-12-23 13:15:41 +01002613 unsigned int duration,
2614 u64 *cookie);
2615 int (*cancel_remain_on_channel)(struct wiphy *wiphy,
Johannes Berg71bbc992012-06-15 15:30:18 +02002616 struct wireless_dev *wdev,
Jouni Malinen9588bbd2009-12-23 13:15:41 +01002617 u64 cookie);
2618
Johannes Berg71bbc992012-06-15 15:30:18 +02002619 int (*mgmt_tx)(struct wiphy *wiphy, struct wireless_dev *wdev,
Andrei Otcheretianskib176e622013-11-18 19:06:49 +02002620 struct cfg80211_mgmt_tx_params *params,
2621 u64 *cookie);
Johannes Bergf7ca38d2010-11-25 10:02:29 +01002622 int (*mgmt_tx_cancel_wait)(struct wiphy *wiphy,
Johannes Berg71bbc992012-06-15 15:30:18 +02002623 struct wireless_dev *wdev,
Johannes Bergf7ca38d2010-11-25 10:02:29 +01002624 u64 cookie);
Jouni Malinen026331c2010-02-15 12:53:10 +02002625
Johannes Bergbc92afd2009-07-01 21:26:57 +02002626 int (*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev,
2627 bool enabled, int timeout);
Juuso Oikarinend6dc1a32010-03-23 09:02:33 +02002628
2629 int (*set_cqm_rssi_config)(struct wiphy *wiphy,
2630 struct net_device *dev,
2631 s32 rssi_thold, u32 rssi_hyst);
Johannes Berg271733c2010-10-13 12:06:23 +02002632
Thomas Pedersen84f10702012-07-12 16:17:33 -07002633 int (*set_cqm_txe_config)(struct wiphy *wiphy,
2634 struct net_device *dev,
2635 u32 rate, u32 pkts, u32 intvl);
2636
Johannes Berg271733c2010-10-13 12:06:23 +02002637 void (*mgmt_frame_register)(struct wiphy *wiphy,
Johannes Berg71bbc992012-06-15 15:30:18 +02002638 struct wireless_dev *wdev,
Johannes Berg271733c2010-10-13 12:06:23 +02002639 u16 frame_type, bool reg);
Bruno Randolfafe0cbf2010-11-10 12:50:50 +09002640
2641 int (*set_antenna)(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant);
2642 int (*get_antenna)(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant);
John W. Linville36777132011-03-07 16:17:59 -05002643
Luciano Coelho807f8a82011-05-11 17:09:35 +03002644 int (*sched_scan_start)(struct wiphy *wiphy,
2645 struct net_device *dev,
2646 struct cfg80211_sched_scan_request *request);
Luciano Coelho85a99942011-05-12 16:28:29 +03002647 int (*sched_scan_stop)(struct wiphy *wiphy, struct net_device *dev);
Johannes Berge5497d72011-07-05 16:35:40 +02002648
2649 int (*set_rekey_data)(struct wiphy *wiphy, struct net_device *dev,
2650 struct cfg80211_gtk_rekey_data *data);
Arik Nemtsov109086c2011-09-28 14:12:50 +03002651
2652 int (*tdls_mgmt)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002653 const u8 *peer, u8 action_code, u8 dialog_token,
Sunil Dutt Undekaridf942e72014-02-20 16:22:09 +05302654 u16 status_code, u32 peer_capability,
Arik Nemtsov31fa97c2014-06-11 17:18:21 +03002655 bool initiator, const u8 *buf, size_t len);
Arik Nemtsov109086c2011-09-28 14:12:50 +03002656 int (*tdls_oper)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002657 const u8 *peer, enum nl80211_tdls_operation oper);
Johannes Berg7f6cf312011-11-04 11:18:15 +01002658
2659 int (*probe_client)(struct wiphy *wiphy, struct net_device *dev,
2660 const u8 *peer, u64 *cookie);
Johannes Berge9998822011-11-09 10:30:21 +01002661
Simon Wunderlich1d9d9212011-11-18 14:20:43 +01002662 int (*set_noack_map)(struct wiphy *wiphy,
2663 struct net_device *dev,
2664 u16 noack_map);
2665
Johannes Berg683b6d32012-11-08 21:25:48 +01002666 int (*get_channel)(struct wiphy *wiphy,
Johannes Berg5b7ccaf2012-07-12 19:45:08 +02002667 struct wireless_dev *wdev,
Johannes Berg683b6d32012-11-08 21:25:48 +01002668 struct cfg80211_chan_def *chandef);
Johannes Berg98104fde2012-06-16 00:19:54 +02002669
2670 int (*start_p2p_device)(struct wiphy *wiphy,
2671 struct wireless_dev *wdev);
2672 void (*stop_p2p_device)(struct wiphy *wiphy,
2673 struct wireless_dev *wdev);
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +05302674
2675 int (*set_mac_acl)(struct wiphy *wiphy, struct net_device *dev,
2676 const struct cfg80211_acl_data *params);
Simon Wunderlich04f39042013-02-08 18:16:19 +01002677
2678 int (*start_radar_detection)(struct wiphy *wiphy,
2679 struct net_device *dev,
Janusz Dziedzic31559f32014-02-21 19:46:13 +01002680 struct cfg80211_chan_def *chandef,
2681 u32 cac_time_ms);
Jouni Malinen355199e2013-02-27 17:14:27 +02002682 int (*update_ft_ies)(struct wiphy *wiphy, struct net_device *dev,
2683 struct cfg80211_update_ft_ies_params *ftie);
Arend van Spriel5de17982013-04-18 15:49:00 +02002684 int (*crit_proto_start)(struct wiphy *wiphy,
2685 struct wireless_dev *wdev,
2686 enum nl80211_crit_proto_id protocol,
2687 u16 duration);
2688 void (*crit_proto_stop)(struct wiphy *wiphy,
2689 struct wireless_dev *wdev);
Amitkumar Karwarbe29b992013-06-28 11:51:26 -07002690 int (*set_coalesce)(struct wiphy *wiphy,
2691 struct cfg80211_coalesce *coalesce);
Simon Wunderlich16ef1fe2013-07-11 16:09:05 +02002692
2693 int (*channel_switch)(struct wiphy *wiphy,
2694 struct net_device *dev,
2695 struct cfg80211_csa_settings *params);
Jouni Malinene16821b2014-04-28 11:22:08 +03002696
Kyeyoon Parkfa9ffc72013-12-16 23:01:30 -08002697 int (*set_qos_map)(struct wiphy *wiphy,
2698 struct net_device *dev,
2699 struct cfg80211_qos_map *qos_map);
Jouni Malinene16821b2014-04-28 11:22:08 +03002700
2701 int (*set_ap_chanwidth)(struct wiphy *wiphy, struct net_device *dev,
2702 struct cfg80211_chan_def *chandef);
Johannes Berg960d01a2014-09-09 22:55:35 +03002703
2704 int (*add_tx_ts)(struct wiphy *wiphy, struct net_device *dev,
2705 u8 tsid, const u8 *peer, u8 user_prio,
2706 u16 admitted_time);
2707 int (*del_tx_ts)(struct wiphy *wiphy, struct net_device *dev,
2708 u8 tsid, const u8 *peer);
Arik Nemtsov1057d352014-11-19 12:54:26 +02002709
2710 int (*tdls_channel_switch)(struct wiphy *wiphy,
2711 struct net_device *dev,
2712 const u8 *addr, u8 oper_class,
2713 struct cfg80211_chan_def *chandef);
2714 void (*tdls_cancel_channel_switch)(struct wiphy *wiphy,
2715 struct net_device *dev,
2716 const u8 *addr);
Johannes Berg704232c2007-04-23 12:20:05 -07002717};
2718
Johannes Bergd3236552009-04-20 14:31:42 +02002719/*
2720 * wireless hardware and networking interfaces structures
2721 * and registration/helper functions
2722 */
2723
2724/**
Johannes Berg5be83de2009-11-19 00:56:28 +01002725 * enum wiphy_flags - wiphy capability flags
2726 *
Johannes Berg5be83de2009-11-19 00:56:28 +01002727 * @WIPHY_FLAG_NETNS_OK: if not set, do not allow changing the netns of this
2728 * wiphy at all
2729 * @WIPHY_FLAG_PS_ON_BY_DEFAULT: if set to true, powersave will be enabled
2730 * by default -- this flag will be set depending on the kernel's default
2731 * on wiphy_new(), but can be changed by the driver if it has a good
2732 * reason to override the default
Johannes Berg9bc383d2009-11-19 11:55:19 +01002733 * @WIPHY_FLAG_4ADDR_AP: supports 4addr mode even on AP (with a single station
2734 * on a VLAN interface)
2735 * @WIPHY_FLAG_4ADDR_STATION: supports 4addr mode even as a station
Johannes Bergc0692b82010-08-27 14:26:53 +03002736 * @WIPHY_FLAG_CONTROL_PORT_PROTOCOL: This device supports setting the
2737 * control port protocol ethertype. The device also honours the
2738 * control_port_no_encrypt flag.
Johannes Berge31b8212010-10-05 19:39:30 +02002739 * @WIPHY_FLAG_IBSS_RSN: The device supports IBSS RSN.
Javier Cardona15d5dda2011-04-07 15:08:28 -07002740 * @WIPHY_FLAG_MESH_AUTH: The device supports mesh authentication by routing
2741 * auth frames to userspace. See @NL80211_MESH_SETUP_USERSPACE_AUTH.
Randy Dunlap1ba01452011-05-22 17:16:20 -07002742 * @WIPHY_FLAG_SUPPORTS_SCHED_SCAN: The device supports scheduled scans.
Vivek Natarajanf4b34b52011-08-29 14:23:03 +05302743 * @WIPHY_FLAG_SUPPORTS_FW_ROAM: The device supports roaming feature in the
2744 * firmware.
Eliad Pellercedb5412011-08-31 11:29:43 +03002745 * @WIPHY_FLAG_AP_UAPSD: The device supports uapsd on AP.
Arik Nemtsov109086c2011-09-28 14:12:50 +03002746 * @WIPHY_FLAG_SUPPORTS_TDLS: The device supports TDLS (802.11z) operation.
2747 * @WIPHY_FLAG_TDLS_EXTERNAL_SETUP: The device does not handle TDLS (802.11z)
2748 * link setup/discovery operations internally. Setup, discovery and
2749 * teardown packets should be sent through the @NL80211_CMD_TDLS_MGMT
2750 * command. When this flag is not set, @NL80211_CMD_TDLS_OPER should be
2751 * used for asking the driver/firmware to perform a TDLS operation.
Johannes Berg562a7482011-11-07 12:39:33 +01002752 * @WIPHY_FLAG_HAVE_AP_SME: device integrates AP SME
Johannes Berg5e760232011-11-04 11:18:17 +01002753 * @WIPHY_FLAG_REPORTS_OBSS: the device will report beacons from other BSSes
2754 * when there are virtual interfaces in AP mode by calling
2755 * cfg80211_report_obss_beacon().
Arik Nemtsov87bbbe22011-11-10 11:28:55 +02002756 * @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD: When operating as an AP, the device
2757 * responds to probe-requests in hardware.
Johannes Berg7c4ef712011-11-18 15:33:48 +01002758 * @WIPHY_FLAG_OFFCHAN_TX: Device supports direct off-channel TX.
2759 * @WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL: Device supports remain-on-channel call.
Simon Wunderlich2f301ab2013-05-16 13:00:28 +02002760 * @WIPHY_FLAG_SUPPORTS_5_10_MHZ: Device supports 5 MHz and 10 MHz channels.
Simon Wunderlich16ef1fe2013-07-11 16:09:05 +02002761 * @WIPHY_FLAG_HAS_CHANNEL_SWITCH: Device supports channel switch in
2762 * beaconing mode (AP, IBSS, Mesh, ...).
Johannes Berg5be83de2009-11-19 00:56:28 +01002763 */
2764enum wiphy_flags {
Johannes Berg723e73a2014-10-22 09:25:06 +02002765 /* use hole at 0 */
Luis R. Rodrigueza2f73b62013-11-11 22:15:29 +01002766 /* use hole at 1 */
2767 /* use hole at 2 */
Johannes Bergc0692b82010-08-27 14:26:53 +03002768 WIPHY_FLAG_NETNS_OK = BIT(3),
2769 WIPHY_FLAG_PS_ON_BY_DEFAULT = BIT(4),
2770 WIPHY_FLAG_4ADDR_AP = BIT(5),
2771 WIPHY_FLAG_4ADDR_STATION = BIT(6),
2772 WIPHY_FLAG_CONTROL_PORT_PROTOCOL = BIT(7),
Jussi Kivilinna309075c2010-11-12 08:53:56 +02002773 WIPHY_FLAG_IBSS_RSN = BIT(8),
Javier Cardona15d5dda2011-04-07 15:08:28 -07002774 WIPHY_FLAG_MESH_AUTH = BIT(10),
Luciano Coelho807f8a82011-05-11 17:09:35 +03002775 WIPHY_FLAG_SUPPORTS_SCHED_SCAN = BIT(11),
Johannes Berg8e8b41f2012-03-15 10:16:16 +01002776 /* use hole at 12 */
Vivek Natarajanf4b34b52011-08-29 14:23:03 +05302777 WIPHY_FLAG_SUPPORTS_FW_ROAM = BIT(13),
Eliad Pellercedb5412011-08-31 11:29:43 +03002778 WIPHY_FLAG_AP_UAPSD = BIT(14),
Arik Nemtsov109086c2011-09-28 14:12:50 +03002779 WIPHY_FLAG_SUPPORTS_TDLS = BIT(15),
2780 WIPHY_FLAG_TDLS_EXTERNAL_SETUP = BIT(16),
Johannes Berg562a7482011-11-07 12:39:33 +01002781 WIPHY_FLAG_HAVE_AP_SME = BIT(17),
Johannes Berg5e760232011-11-04 11:18:17 +01002782 WIPHY_FLAG_REPORTS_OBSS = BIT(18),
Arik Nemtsov87bbbe22011-11-10 11:28:55 +02002783 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD = BIT(19),
Johannes Berg7c4ef712011-11-18 15:33:48 +01002784 WIPHY_FLAG_OFFCHAN_TX = BIT(20),
2785 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL = BIT(21),
Simon Wunderlich2f301ab2013-05-16 13:00:28 +02002786 WIPHY_FLAG_SUPPORTS_5_10_MHZ = BIT(22),
Simon Wunderlich16ef1fe2013-07-11 16:09:05 +02002787 WIPHY_FLAG_HAS_CHANNEL_SWITCH = BIT(23),
Johannes Berg7527a782011-05-13 10:58:57 +02002788};
2789
2790/**
2791 * struct ieee80211_iface_limit - limit on certain interface types
2792 * @max: maximum number of interfaces of these types
2793 * @types: interface types (bits)
2794 */
2795struct ieee80211_iface_limit {
2796 u16 max;
2797 u16 types;
2798};
2799
2800/**
2801 * struct ieee80211_iface_combination - possible interface combination
2802 * @limits: limits for the given interface types
2803 * @n_limits: number of limitations
2804 * @num_different_channels: can use up to this many different channels
2805 * @max_interfaces: maximum number of interfaces in total allowed in this
2806 * group
2807 * @beacon_int_infra_match: In this combination, the beacon intervals
2808 * between infrastructure and AP types must match. This is required
2809 * only in special cases.
Simon Wunderlich11c4a072013-01-08 14:04:07 +01002810 * @radar_detect_widths: bitmap of channel widths supported for radar detection
Felix Fietkau8c48b502014-05-05 11:48:40 +02002811 * @radar_detect_regions: bitmap of regions supported for radar detection
Johannes Berg7527a782011-05-13 10:58:57 +02002812 *
Luciano Coelhob80edbc2014-02-20 16:45:34 +02002813 * With this structure the driver can describe which interface
2814 * combinations it supports concurrently.
Johannes Berg7527a782011-05-13 10:58:57 +02002815 *
Luciano Coelhob80edbc2014-02-20 16:45:34 +02002816 * Examples:
2817 *
2818 * 1. Allow #STA <= 1, #AP <= 1, matching BI, channels = 1, 2 total:
Johannes Berg7527a782011-05-13 10:58:57 +02002819 *
2820 * struct ieee80211_iface_limit limits1[] = {
2821 * { .max = 1, .types = BIT(NL80211_IFTYPE_STATION), },
2822 * { .max = 1, .types = BIT(NL80211_IFTYPE_AP}, },
2823 * };
2824 * struct ieee80211_iface_combination combination1 = {
2825 * .limits = limits1,
2826 * .n_limits = ARRAY_SIZE(limits1),
2827 * .max_interfaces = 2,
2828 * .beacon_int_infra_match = true,
2829 * };
2830 *
2831 *
Luciano Coelhob80edbc2014-02-20 16:45:34 +02002832 * 2. Allow #{AP, P2P-GO} <= 8, channels = 1, 8 total:
Johannes Berg7527a782011-05-13 10:58:57 +02002833 *
2834 * struct ieee80211_iface_limit limits2[] = {
2835 * { .max = 8, .types = BIT(NL80211_IFTYPE_AP) |
2836 * BIT(NL80211_IFTYPE_P2P_GO), },
2837 * };
2838 * struct ieee80211_iface_combination combination2 = {
2839 * .limits = limits2,
2840 * .n_limits = ARRAY_SIZE(limits2),
2841 * .max_interfaces = 8,
2842 * .num_different_channels = 1,
2843 * };
2844 *
2845 *
Luciano Coelhob80edbc2014-02-20 16:45:34 +02002846 * 3. Allow #STA <= 1, #{P2P-client,P2P-GO} <= 3 on two channels, 4 total.
2847 *
Johannes Berg7527a782011-05-13 10:58:57 +02002848 * This allows for an infrastructure connection and three P2P connections.
2849 *
2850 * struct ieee80211_iface_limit limits3[] = {
2851 * { .max = 1, .types = BIT(NL80211_IFTYPE_STATION), },
2852 * { .max = 3, .types = BIT(NL80211_IFTYPE_P2P_GO) |
2853 * BIT(NL80211_IFTYPE_P2P_CLIENT), },
2854 * };
2855 * struct ieee80211_iface_combination combination3 = {
2856 * .limits = limits3,
2857 * .n_limits = ARRAY_SIZE(limits3),
2858 * .max_interfaces = 4,
2859 * .num_different_channels = 2,
2860 * };
2861 */
2862struct ieee80211_iface_combination {
2863 const struct ieee80211_iface_limit *limits;
2864 u32 num_different_channels;
2865 u16 max_interfaces;
2866 u8 n_limits;
2867 bool beacon_int_infra_match;
Simon Wunderlich11c4a072013-01-08 14:04:07 +01002868 u8 radar_detect_widths;
Felix Fietkau8c48b502014-05-05 11:48:40 +02002869 u8 radar_detect_regions;
Johannes Berg5be83de2009-11-19 00:56:28 +01002870};
2871
Johannes Berg2e161f72010-08-12 15:38:38 +02002872struct ieee80211_txrx_stypes {
2873 u16 tx, rx;
2874};
2875
Johannes Berg5be83de2009-11-19 00:56:28 +01002876/**
Johannes Bergff1b6e62011-05-04 15:37:28 +02002877 * enum wiphy_wowlan_support_flags - WoWLAN support flags
2878 * @WIPHY_WOWLAN_ANY: supports wakeup for the special "any"
2879 * trigger that keeps the device operating as-is and
2880 * wakes up the host on any activity, for example a
2881 * received packet that passed filtering; note that the
2882 * packet should be preserved in that case
2883 * @WIPHY_WOWLAN_MAGIC_PKT: supports wakeup on magic packet
2884 * (see nl80211.h)
2885 * @WIPHY_WOWLAN_DISCONNECT: supports wakeup on disconnect
Johannes Berg77dbbb12011-07-13 10:48:55 +02002886 * @WIPHY_WOWLAN_SUPPORTS_GTK_REKEY: supports GTK rekeying while asleep
2887 * @WIPHY_WOWLAN_GTK_REKEY_FAILURE: supports wakeup on GTK rekey failure
2888 * @WIPHY_WOWLAN_EAP_IDENTITY_REQ: supports wakeup on EAP identity request
2889 * @WIPHY_WOWLAN_4WAY_HANDSHAKE: supports wakeup on 4-way handshake failure
2890 * @WIPHY_WOWLAN_RFKILL_RELEASE: supports wakeup on RF-kill release
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002891 * @WIPHY_WOWLAN_NET_DETECT: supports wakeup on network detection
Johannes Bergff1b6e62011-05-04 15:37:28 +02002892 */
2893enum wiphy_wowlan_support_flags {
Johannes Berg77dbbb12011-07-13 10:48:55 +02002894 WIPHY_WOWLAN_ANY = BIT(0),
2895 WIPHY_WOWLAN_MAGIC_PKT = BIT(1),
2896 WIPHY_WOWLAN_DISCONNECT = BIT(2),
2897 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY = BIT(3),
2898 WIPHY_WOWLAN_GTK_REKEY_FAILURE = BIT(4),
2899 WIPHY_WOWLAN_EAP_IDENTITY_REQ = BIT(5),
2900 WIPHY_WOWLAN_4WAY_HANDSHAKE = BIT(6),
2901 WIPHY_WOWLAN_RFKILL_RELEASE = BIT(7),
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002902 WIPHY_WOWLAN_NET_DETECT = BIT(8),
Johannes Bergff1b6e62011-05-04 15:37:28 +02002903};
2904
Johannes Berg2a0e0472013-01-23 22:57:40 +01002905struct wiphy_wowlan_tcp_support {
2906 const struct nl80211_wowlan_tcp_data_token_feature *tok;
2907 u32 data_payload_max;
2908 u32 data_interval_max;
2909 u32 wake_payload_max;
2910 bool seq;
2911};
2912
Johannes Bergff1b6e62011-05-04 15:37:28 +02002913/**
2914 * struct wiphy_wowlan_support - WoWLAN support data
2915 * @flags: see &enum wiphy_wowlan_support_flags
2916 * @n_patterns: number of supported wakeup patterns
2917 * (see nl80211.h for the pattern definition)
2918 * @pattern_max_len: maximum length of each pattern
2919 * @pattern_min_len: minimum length of each pattern
Amitkumar Karwarbb92d192013-02-12 12:16:26 -08002920 * @max_pkt_offset: maximum Rx packet offset
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002921 * @max_nd_match_sets: maximum number of matchsets for net-detect,
2922 * similar, but not necessarily identical, to max_match_sets for
2923 * scheduled scans.
2924 * See &struct cfg80211_sched_scan_request.@match_sets for more
2925 * details.
Johannes Berg2a0e0472013-01-23 22:57:40 +01002926 * @tcp: TCP wakeup support information
Johannes Bergff1b6e62011-05-04 15:37:28 +02002927 */
2928struct wiphy_wowlan_support {
2929 u32 flags;
2930 int n_patterns;
2931 int pattern_max_len;
2932 int pattern_min_len;
Amitkumar Karwarbb92d192013-02-12 12:16:26 -08002933 int max_pkt_offset;
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002934 int max_nd_match_sets;
Johannes Berg2a0e0472013-01-23 22:57:40 +01002935 const struct wiphy_wowlan_tcp_support *tcp;
Johannes Bergff1b6e62011-05-04 15:37:28 +02002936};
2937
2938/**
Amitkumar Karwarbe29b992013-06-28 11:51:26 -07002939 * struct wiphy_coalesce_support - coalesce support data
2940 * @n_rules: maximum number of coalesce rules
2941 * @max_delay: maximum supported coalescing delay in msecs
2942 * @n_patterns: number of supported patterns in a rule
2943 * (see nl80211.h for the pattern definition)
2944 * @pattern_max_len: maximum length of each pattern
2945 * @pattern_min_len: minimum length of each pattern
2946 * @max_pkt_offset: maximum Rx packet offset
2947 */
2948struct wiphy_coalesce_support {
2949 int n_rules;
2950 int max_delay;
2951 int n_patterns;
2952 int pattern_max_len;
2953 int pattern_min_len;
2954 int max_pkt_offset;
2955};
2956
2957/**
Johannes Bergad7e7182013-11-13 13:37:47 +01002958 * enum wiphy_vendor_command_flags - validation flags for vendor commands
2959 * @WIPHY_VENDOR_CMD_NEED_WDEV: vendor command requires wdev
2960 * @WIPHY_VENDOR_CMD_NEED_NETDEV: vendor command requires netdev
2961 * @WIPHY_VENDOR_CMD_NEED_RUNNING: interface/wdev must be up & running
2962 * (must be combined with %_WDEV or %_NETDEV)
2963 */
2964enum wiphy_vendor_command_flags {
2965 WIPHY_VENDOR_CMD_NEED_WDEV = BIT(0),
2966 WIPHY_VENDOR_CMD_NEED_NETDEV = BIT(1),
2967 WIPHY_VENDOR_CMD_NEED_RUNNING = BIT(2),
2968};
2969
2970/**
2971 * struct wiphy_vendor_command - vendor command definition
2972 * @info: vendor command identifying information, as used in nl80211
2973 * @flags: flags, see &enum wiphy_vendor_command_flags
2974 * @doit: callback for the operation, note that wdev is %NULL if the
2975 * flags didn't ask for a wdev and non-%NULL otherwise; the data
2976 * pointer may be %NULL if userspace provided no data at all
Johannes Berg7bdbe402015-08-15 22:39:49 +03002977 * @dumpit: dump callback, for transferring bigger/multiple items. The
2978 * @storage points to cb->args[5], ie. is preserved over the multiple
2979 * dumpit calls.
2980 * It's recommended to not have the same sub command with both @doit and
2981 * @dumpit, so that userspace can assume certain ones are get and others
2982 * are used with dump requests.
Johannes Bergad7e7182013-11-13 13:37:47 +01002983 */
2984struct wiphy_vendor_command {
2985 struct nl80211_vendor_cmd_info info;
2986 u32 flags;
2987 int (*doit)(struct wiphy *wiphy, struct wireless_dev *wdev,
2988 const void *data, int data_len);
Johannes Berg7bdbe402015-08-15 22:39:49 +03002989 int (*dumpit)(struct wiphy *wiphy, struct wireless_dev *wdev,
2990 struct sk_buff *skb, const void *data, int data_len,
2991 unsigned long *storage);
Johannes Bergad7e7182013-11-13 13:37:47 +01002992};
2993
2994/**
Johannes Berg5be83de2009-11-19 00:56:28 +01002995 * struct wiphy - wireless hardware description
Luis R. Rodriguez2784fe92010-12-15 19:24:11 -08002996 * @reg_notifier: the driver's regulatory notification callback,
2997 * note that if your driver uses wiphy_apply_custom_regulatory()
2998 * the reg_notifier's request can be passed as NULL
Johannes Bergd3236552009-04-20 14:31:42 +02002999 * @regd: the driver's regulatory domain, if one was requested via
3000 * the regulatory_hint() API. This can be used by the driver
3001 * on the reg_notifier() if it chooses to ignore future
3002 * regulatory domain changes caused by other drivers.
3003 * @signal_type: signal type reported in &struct cfg80211_bss.
3004 * @cipher_suites: supported cipher suites
3005 * @n_cipher_suites: number of supported cipher suites
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02003006 * @retry_short: Retry limit for short frames (dot11ShortRetryLimit)
3007 * @retry_long: Retry limit for long frames (dot11LongRetryLimit)
3008 * @frag_threshold: Fragmentation threshold (dot11FragmentationThreshold);
3009 * -1 = fragmentation disabled, only odd values >= 256 used
3010 * @rts_threshold: RTS threshold (dot11RTSThreshold); -1 = RTS/CTS disabled
Johannes Bergabe37c42010-06-07 11:12:27 +02003011 * @_net: the network namespace this wiphy currently lives in
Johannes Bergef15aac2010-01-20 12:02:33 +01003012 * @perm_addr: permanent MAC address of this device
3013 * @addr_mask: If the device supports multiple MAC addresses by masking,
3014 * set this to a mask with variable bits set to 1, e.g. if the last
Luciano Coelho0fcf8ac2014-02-20 16:45:33 +02003015 * four bits are variable then set it to 00-00-00-00-00-0f. The actual
Johannes Bergef15aac2010-01-20 12:02:33 +01003016 * variable bits shall be determined by the interfaces added, with
3017 * interfaces not matching the mask being rejected to be brought up.
3018 * @n_addresses: number of addresses in @addresses.
3019 * @addresses: If the device has more than one address, set this pointer
3020 * to a list of addresses (6 bytes each). The first one will be used
3021 * by default for perm_addr. In this case, the mask should be set to
3022 * all-zeroes. In this case it is assumed that the device can handle
3023 * the same number of arbitrary MAC addresses.
Randy Dunlapfd235912011-09-08 10:16:50 -07003024 * @registered: protects ->resume and ->suspend sysfs callbacks against
3025 * unregister hardware
Johannes Bergabe37c42010-06-07 11:12:27 +02003026 * @debugfsdir: debugfs directory used for this wiphy, will be renamed
3027 * automatically on wiphy renames
3028 * @dev: (virtual) struct device for this wiphy
Stanislaw Gruszka4a711a82011-08-25 17:07:24 +02003029 * @registered: helps synchronize suspend/resume with wiphy unregister
Johannes Bergabe37c42010-06-07 11:12:27 +02003030 * @wext: wireless extension handlers
3031 * @priv: driver private data (sized according to wiphy_new() parameter)
3032 * @interface_modes: bitmask of interfaces types valid for this wiphy,
3033 * must be set by driver
Johannes Berg7527a782011-05-13 10:58:57 +02003034 * @iface_combinations: Valid interface combinations array, should not
3035 * list single interface types.
3036 * @n_iface_combinations: number of entries in @iface_combinations array.
3037 * @software_iftypes: bitmask of software interface types, these are not
3038 * subject to any restrictions since they are purely managed in SW.
Johannes Bergabe37c42010-06-07 11:12:27 +02003039 * @flags: wiphy flags, see &enum wiphy_flags
Luis R. Rodrigueza2f73b62013-11-11 22:15:29 +01003040 * @regulatory_flags: wiphy regulatory flags, see
3041 * &enum ieee80211_regulatory_flags
Johannes Berg1f074bd2011-11-06 14:13:33 +01003042 * @features: features advertised to nl80211, see &enum nl80211_feature_flags.
Gautam Kumar Shuklad75bb062014-12-23 16:55:19 +01003043 * @ext_features: extended features advertised to nl80211, see
3044 * &enum nl80211_ext_feature_index.
Johannes Bergabe37c42010-06-07 11:12:27 +02003045 * @bss_priv_size: each BSS struct has private data allocated with it,
3046 * this variable determines its size
3047 * @max_scan_ssids: maximum number of SSIDs the device can scan for in
3048 * any given scan
Luciano Coelho93b6aa62011-07-13 14:57:28 +03003049 * @max_sched_scan_ssids: maximum number of SSIDs the device can scan
3050 * for in any given scheduled scan
Luciano Coelhoa1f1c212011-08-31 16:01:48 +03003051 * @max_match_sets: maximum number of match sets the device can handle
3052 * when performing a scheduled scan, 0 if filtering is not
3053 * supported.
Johannes Bergabe37c42010-06-07 11:12:27 +02003054 * @max_scan_ie_len: maximum length of user-controlled IEs device can
3055 * add to probe request frames transmitted during a scan, must not
3056 * include fixed IEs like supported rates
Luciano Coelho5a865ba2011-07-13 14:57:29 +03003057 * @max_sched_scan_ie_len: same as max_scan_ie_len, but for scheduled
3058 * scans
Johannes Bergabe37c42010-06-07 11:12:27 +02003059 * @coverage_class: current coverage class
3060 * @fw_version: firmware version for ethtool reporting
3061 * @hw_version: hardware version for ethtool reporting
3062 * @max_num_pmkids: maximum number of PMKIDs supported by device
3063 * @privid: a pointer that drivers can use to identify if an arbitrary
3064 * wiphy is theirs, e.g. in global notifiers
3065 * @bands: information about bands/channels supported by this device
Johannes Berg2e161f72010-08-12 15:38:38 +02003066 *
3067 * @mgmt_stypes: bitmasks of frame subtypes that can be subscribed to or
3068 * transmitted through nl80211, points to an array indexed by interface
3069 * type
Bruno Randolfa7ffac92010-12-08 13:59:24 +09003070 *
Bruno Randolf7f531e02010-12-16 11:30:22 +09003071 * @available_antennas_tx: bitmap of antennas which are available to be
3072 * configured as TX antennas. Antenna configuration commands will be
3073 * rejected unless this or @available_antennas_rx is set.
3074 *
3075 * @available_antennas_rx: bitmap of antennas which are available to be
3076 * configured as RX antennas. Antenna configuration commands will be
3077 * rejected unless this or @available_antennas_tx is set.
Johannes Berga2939112010-12-14 17:54:28 +01003078 *
Randy Dunlap15f0ebc2012-01-21 11:03:00 -08003079 * @probe_resp_offload:
3080 * Bitmap of supported protocols for probe response offloading.
3081 * See &enum nl80211_probe_resp_offload_support_attr. Only valid
3082 * when the wiphy flag @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD is set.
3083 *
Johannes Berga2939112010-12-14 17:54:28 +01003084 * @max_remain_on_channel_duration: Maximum time a remain-on-channel operation
3085 * may request, if implemented.
Johannes Bergff1b6e62011-05-04 15:37:28 +02003086 *
3087 * @wowlan: WoWLAN support information
Johannes Berg6abb9cb2013-05-15 09:30:07 +02003088 * @wowlan_config: current WoWLAN configuration; this should usually not be
3089 * used since access to it is necessarily racy, use the parameter passed
3090 * to the suspend() operation instead.
Johannes Berg562a7482011-11-07 12:39:33 +01003091 *
3092 * @ap_sme_capa: AP SME capabilities, flags from &enum nl80211_ap_sme_features.
Ben Greear7e7c8922011-11-18 11:31:59 -08003093 * @ht_capa_mod_mask: Specify what ht_cap values can be over-ridden.
3094 * If null, then none can be over-ridden.
Johannes Bergee2aca32013-02-21 17:36:01 +01003095 * @vht_capa_mod_mask: Specify what VHT capabilities can be over-ridden.
3096 * If null, then none can be over-ridden.
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +05303097 *
3098 * @max_acl_mac_addrs: Maximum number of MAC addresses that the device
3099 * supports for ACL.
Johannes Berga50df0c2013-02-11 14:20:05 +01003100 *
3101 * @extended_capabilities: extended capabilities supported by the driver,
3102 * additional capabilities might be supported by userspace; these are
3103 * the 802.11 extended capabilities ("Extended Capabilities element")
3104 * and are in the same format as in the information element. See
3105 * 802.11-2012 8.4.2.29 for the defined fields.
3106 * @extended_capabilities_mask: mask of the valid values
3107 * @extended_capabilities_len: length of the extended capabilities
Amitkumar Karwarbe29b992013-06-28 11:51:26 -07003108 * @coalesce: packet coalescing support information
Johannes Bergad7e7182013-11-13 13:37:47 +01003109 *
3110 * @vendor_commands: array of vendor commands supported by the hardware
3111 * @n_vendor_commands: number of vendor commands
Johannes Berg567ffc32013-12-18 14:43:31 +01003112 * @vendor_events: array of vendor events supported by the hardware
3113 * @n_vendor_events: number of vendor events
Jouni Malinenb43504c2014-01-15 00:01:08 +02003114 *
3115 * @max_ap_assoc_sta: maximum number of associated stations supported in AP mode
3116 * (including P2P GO) or 0 to indicate no such limit is advertised. The
3117 * driver is allowed to advertise a theoretical limit that it can reach in
3118 * some cases, but may not always reach.
Luciano Coelhoc2e43232014-05-15 20:18:09 +03003119 *
3120 * @max_num_csa_counters: Number of supported csa_counters in beacons
3121 * and probe responses. This value should be set if the driver
3122 * wishes to limit the number of csa counters. Default (0) means
3123 * infinite.
Emmanuel Grumbach67af9812014-05-18 10:15:24 +03003124 * @max_adj_channel_rssi_comp: max offset of between the channel on which the
3125 * frame was sent and the channel on which the frame was heard for which
3126 * the reported rssi is still valid. If a driver is able to compensate the
3127 * low rssi when a frame is heard on different channel, then it should set
3128 * this variable to the maximal offset for which it can compensate.
3129 * This value should be set in MHz.
Johannes Bergd3236552009-04-20 14:31:42 +02003130 */
3131struct wiphy {
3132 /* assign these fields before you register the wiphy */
3133
Johannes Bergef15aac2010-01-20 12:02:33 +01003134 /* permanent MAC address(es) */
Johannes Bergd3236552009-04-20 14:31:42 +02003135 u8 perm_addr[ETH_ALEN];
Johannes Bergef15aac2010-01-20 12:02:33 +01003136 u8 addr_mask[ETH_ALEN];
3137
Johannes Bergef15aac2010-01-20 12:02:33 +01003138 struct mac_address *addresses;
Johannes Bergd3236552009-04-20 14:31:42 +02003139
Johannes Berg2e161f72010-08-12 15:38:38 +02003140 const struct ieee80211_txrx_stypes *mgmt_stypes;
3141
Johannes Berg7527a782011-05-13 10:58:57 +02003142 const struct ieee80211_iface_combination *iface_combinations;
3143 int n_iface_combinations;
3144 u16 software_iftypes;
3145
Johannes Berg2e161f72010-08-12 15:38:38 +02003146 u16 n_addresses;
3147
Johannes Bergd3236552009-04-20 14:31:42 +02003148 /* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */
3149 u16 interface_modes;
3150
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +05303151 u16 max_acl_mac_addrs;
3152
Luis R. Rodrigueza2f73b62013-11-11 22:15:29 +01003153 u32 flags, regulatory_flags, features;
Gautam Kumar Shuklad75bb062014-12-23 16:55:19 +01003154 u8 ext_features[DIV_ROUND_UP(NUM_NL80211_EXT_FEATURES, 8)];
Johannes Berg463d0182009-07-14 00:33:35 +02003155
Johannes Berg562a7482011-11-07 12:39:33 +01003156 u32 ap_sme_capa;
3157
Johannes Bergd3236552009-04-20 14:31:42 +02003158 enum cfg80211_signal_type signal_type;
3159
3160 int bss_priv_size;
3161 u8 max_scan_ssids;
Luciano Coelho93b6aa62011-07-13 14:57:28 +03003162 u8 max_sched_scan_ssids;
Luciano Coelhoa1f1c212011-08-31 16:01:48 +03003163 u8 max_match_sets;
Johannes Bergd3236552009-04-20 14:31:42 +02003164 u16 max_scan_ie_len;
Luciano Coelho5a865ba2011-07-13 14:57:29 +03003165 u16 max_sched_scan_ie_len;
Johannes Bergd3236552009-04-20 14:31:42 +02003166
3167 int n_cipher_suites;
3168 const u32 *cipher_suites;
3169
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02003170 u8 retry_short;
3171 u8 retry_long;
3172 u32 frag_threshold;
3173 u32 rts_threshold;
Lukáš Turek81077e82009-12-21 22:50:47 +01003174 u8 coverage_class;
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02003175
Jiri Pirko81135542013-01-06 02:12:51 +00003176 char fw_version[ETHTOOL_FWVERS_LEN];
Kalle Valodfce95f2009-09-24 11:02:42 -07003177 u32 hw_version;
3178
Johannes Bergdfb89c52012-06-27 09:23:48 +02003179#ifdef CONFIG_PM
Johannes Berg964dc9e2013-06-03 17:25:34 +02003180 const struct wiphy_wowlan_support *wowlan;
Johannes Berg6abb9cb2013-05-15 09:30:07 +02003181 struct cfg80211_wowlan *wowlan_config;
Johannes Bergdfb89c52012-06-27 09:23:48 +02003182#endif
Johannes Bergff1b6e62011-05-04 15:37:28 +02003183
Johannes Berga2939112010-12-14 17:54:28 +01003184 u16 max_remain_on_channel_duration;
3185
Samuel Ortiz67fbb162009-11-24 23:59:15 +01003186 u8 max_num_pmkids;
3187
Bruno Randolf7f531e02010-12-16 11:30:22 +09003188 u32 available_antennas_tx;
3189 u32 available_antennas_rx;
Bruno Randolfa7ffac92010-12-08 13:59:24 +09003190
Arik Nemtsov87bbbe22011-11-10 11:28:55 +02003191 /*
3192 * Bitmap of supported protocols for probe response offloading
3193 * see &enum nl80211_probe_resp_offload_support_attr. Only valid
3194 * when the wiphy flag @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD is set.
3195 */
3196 u32 probe_resp_offload;
3197
Johannes Berga50df0c2013-02-11 14:20:05 +01003198 const u8 *extended_capabilities, *extended_capabilities_mask;
3199 u8 extended_capabilities_len;
3200
Johannes Bergd3236552009-04-20 14:31:42 +02003201 /* If multiple wiphys are registered and you're handed e.g.
3202 * a regular netdev with assigned ieee80211_ptr, you won't
3203 * know whether it points to a wiphy your driver has registered
3204 * or not. Assign this to something global to your driver to
3205 * help determine whether you own this wiphy or not. */
David Kilroycf5aa2f2009-05-16 23:13:47 +01003206 const void *privid;
Johannes Bergd3236552009-04-20 14:31:42 +02003207
3208 struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS];
3209
3210 /* Lets us get back the wiphy on the callback */
Luis R. Rodriguez0c0280b2013-01-11 18:39:36 +00003211 void (*reg_notifier)(struct wiphy *wiphy,
3212 struct regulatory_request *request);
Johannes Bergd3236552009-04-20 14:31:42 +02003213
3214 /* fields below are read-only, assigned by cfg80211 */
3215
Johannes Berg458f4f92012-12-06 15:47:38 +01003216 const struct ieee80211_regdomain __rcu *regd;
Johannes Bergd3236552009-04-20 14:31:42 +02003217
3218 /* the item in /sys/class/ieee80211/ points to this,
3219 * you need use set_wiphy_dev() (see below) */
3220 struct device dev;
3221
Stanislaw Gruszkaecb44332011-08-12 14:00:59 +02003222 /* protects ->resume, ->suspend sysfs callbacks against unregister hw */
3223 bool registered;
3224
Johannes Bergd3236552009-04-20 14:31:42 +02003225 /* dir in debugfs: ieee80211/<wiphyname> */
3226 struct dentry *debugfsdir;
3227
Ben Greear7e7c8922011-11-18 11:31:59 -08003228 const struct ieee80211_ht_cap *ht_capa_mod_mask;
Johannes Bergee2aca32013-02-21 17:36:01 +01003229 const struct ieee80211_vht_cap *vht_capa_mod_mask;
Ben Greear7e7c8922011-11-18 11:31:59 -08003230
Johannes Berg463d0182009-07-14 00:33:35 +02003231 /* the network namespace this phy lives in currently */
Eric W. Biederman0c5c9fb2015-03-11 23:06:44 -05003232 possible_net_t _net;
Johannes Berg463d0182009-07-14 00:33:35 +02003233
Johannes Berg3d23e342009-09-29 23:27:28 +02003234#ifdef CONFIG_CFG80211_WEXT
3235 const struct iw_handler_def *wext;
3236#endif
3237
Amitkumar Karwarbe29b992013-06-28 11:51:26 -07003238 const struct wiphy_coalesce_support *coalesce;
3239
Johannes Bergad7e7182013-11-13 13:37:47 +01003240 const struct wiphy_vendor_command *vendor_commands;
Johannes Berg567ffc32013-12-18 14:43:31 +01003241 const struct nl80211_vendor_cmd_info *vendor_events;
3242 int n_vendor_commands, n_vendor_events;
Johannes Bergad7e7182013-11-13 13:37:47 +01003243
Jouni Malinenb43504c2014-01-15 00:01:08 +02003244 u16 max_ap_assoc_sta;
3245
Andrei Otcheretianski9a774c72014-05-09 14:11:46 +03003246 u8 max_num_csa_counters;
Emmanuel Grumbach67af9812014-05-18 10:15:24 +03003247 u8 max_adj_channel_rssi_comp;
Andrei Otcheretianski9a774c72014-05-09 14:11:46 +03003248
Johannes Berg1c06ef92012-12-28 12:22:02 +01003249 char priv[0] __aligned(NETDEV_ALIGN);
Johannes Bergd3236552009-04-20 14:31:42 +02003250};
3251
Johannes Berg463d0182009-07-14 00:33:35 +02003252static inline struct net *wiphy_net(struct wiphy *wiphy)
3253{
Eric Dumazetc2d9ba92010-06-01 06:51:19 +00003254 return read_pnet(&wiphy->_net);
Johannes Berg463d0182009-07-14 00:33:35 +02003255}
3256
3257static inline void wiphy_net_set(struct wiphy *wiphy, struct net *net)
3258{
Eric Dumazetc2d9ba92010-06-01 06:51:19 +00003259 write_pnet(&wiphy->_net, net);
Johannes Berg463d0182009-07-14 00:33:35 +02003260}
Johannes Berg463d0182009-07-14 00:33:35 +02003261
Johannes Bergd3236552009-04-20 14:31:42 +02003262/**
3263 * wiphy_priv - return priv from wiphy
3264 *
3265 * @wiphy: the wiphy whose priv pointer to return
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003266 * Return: The priv of @wiphy.
Johannes Bergd3236552009-04-20 14:31:42 +02003267 */
3268static inline void *wiphy_priv(struct wiphy *wiphy)
3269{
3270 BUG_ON(!wiphy);
3271 return &wiphy->priv;
3272}
3273
3274/**
David Kilroyf1f74822009-06-18 23:21:13 +01003275 * priv_to_wiphy - return the wiphy containing the priv
3276 *
3277 * @priv: a pointer previously returned by wiphy_priv
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003278 * Return: The wiphy of @priv.
David Kilroyf1f74822009-06-18 23:21:13 +01003279 */
3280static inline struct wiphy *priv_to_wiphy(void *priv)
3281{
3282 BUG_ON(!priv);
3283 return container_of(priv, struct wiphy, priv);
3284}
3285
3286/**
Johannes Bergd3236552009-04-20 14:31:42 +02003287 * set_wiphy_dev - set device pointer for wiphy
3288 *
3289 * @wiphy: The wiphy whose device to bind
3290 * @dev: The device to parent it to
3291 */
3292static inline void set_wiphy_dev(struct wiphy *wiphy, struct device *dev)
3293{
3294 wiphy->dev.parent = dev;
3295}
3296
3297/**
3298 * wiphy_dev - get wiphy dev pointer
3299 *
3300 * @wiphy: The wiphy whose device struct to look up
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003301 * Return: The dev of @wiphy.
Johannes Bergd3236552009-04-20 14:31:42 +02003302 */
3303static inline struct device *wiphy_dev(struct wiphy *wiphy)
3304{
3305 return wiphy->dev.parent;
3306}
3307
3308/**
3309 * wiphy_name - get wiphy name
3310 *
3311 * @wiphy: The wiphy whose name to return
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003312 * Return: The name of @wiphy.
Johannes Bergd3236552009-04-20 14:31:42 +02003313 */
Joe Perchese1db74f2010-07-26 14:39:57 -07003314static inline const char *wiphy_name(const struct wiphy *wiphy)
Johannes Bergd3236552009-04-20 14:31:42 +02003315{
3316 return dev_name(&wiphy->dev);
3317}
3318
3319/**
Ben Greear1998d902014-10-22 12:23:00 -07003320 * wiphy_new_nm - create a new wiphy for use with cfg80211
3321 *
3322 * @ops: The configuration operations for this device
3323 * @sizeof_priv: The size of the private area to allocate
3324 * @requested_name: Request a particular name.
3325 * NULL is valid value, and means use the default phy%d naming.
3326 *
3327 * Create a new wiphy and associate the given operations with it.
3328 * @sizeof_priv bytes are allocated for private use.
3329 *
3330 * Return: A pointer to the new wiphy. This pointer must be
3331 * assigned to each netdev's ieee80211_ptr for proper operation.
3332 */
3333struct wiphy *wiphy_new_nm(const struct cfg80211_ops *ops, int sizeof_priv,
3334 const char *requested_name);
3335
3336/**
Johannes Bergd3236552009-04-20 14:31:42 +02003337 * wiphy_new - create a new wiphy for use with cfg80211
3338 *
3339 * @ops: The configuration operations for this device
3340 * @sizeof_priv: The size of the private area to allocate
3341 *
3342 * Create a new wiphy and associate the given operations with it.
3343 * @sizeof_priv bytes are allocated for private use.
3344 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003345 * Return: A pointer to the new wiphy. This pointer must be
3346 * assigned to each netdev's ieee80211_ptr for proper operation.
Johannes Bergd3236552009-04-20 14:31:42 +02003347 */
Ben Greear1998d902014-10-22 12:23:00 -07003348static inline struct wiphy *wiphy_new(const struct cfg80211_ops *ops,
3349 int sizeof_priv)
3350{
3351 return wiphy_new_nm(ops, sizeof_priv, NULL);
3352}
Johannes Bergd3236552009-04-20 14:31:42 +02003353
3354/**
3355 * wiphy_register - register a wiphy with cfg80211
3356 *
3357 * @wiphy: The wiphy to register.
3358 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003359 * Return: A non-negative wiphy index or a negative error code.
Johannes Bergd3236552009-04-20 14:31:42 +02003360 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003361int wiphy_register(struct wiphy *wiphy);
Johannes Bergd3236552009-04-20 14:31:42 +02003362
3363/**
3364 * wiphy_unregister - deregister a wiphy from cfg80211
3365 *
3366 * @wiphy: The wiphy to unregister.
3367 *
3368 * After this call, no more requests can be made with this priv
3369 * pointer, but the call may sleep to wait for an outstanding
3370 * request that is being handled.
3371 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003372void wiphy_unregister(struct wiphy *wiphy);
Johannes Bergd3236552009-04-20 14:31:42 +02003373
3374/**
3375 * wiphy_free - free wiphy
3376 *
3377 * @wiphy: The wiphy to free
3378 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003379void wiphy_free(struct wiphy *wiphy);
Johannes Bergd3236552009-04-20 14:31:42 +02003380
Johannes Bergfffd0932009-07-08 14:22:54 +02003381/* internal structs */
Johannes Berg6829c8782009-07-02 09:13:27 +02003382struct cfg80211_conn;
Johannes Berg19957bb2009-07-02 17:20:43 +02003383struct cfg80211_internal_bss;
Johannes Bergfffd0932009-07-08 14:22:54 +02003384struct cfg80211_cached_keys;
Johannes Berg19957bb2009-07-02 17:20:43 +02003385
Johannes Bergd3236552009-04-20 14:31:42 +02003386/**
Johannes Berg89a54e42012-06-15 14:33:17 +02003387 * struct wireless_dev - wireless device state
Johannes Bergd3236552009-04-20 14:31:42 +02003388 *
Johannes Berg89a54e42012-06-15 14:33:17 +02003389 * For netdevs, this structure must be allocated by the driver
3390 * that uses the ieee80211_ptr field in struct net_device (this
3391 * is intentional so it can be allocated along with the netdev.)
3392 * It need not be registered then as netdev registration will
3393 * be intercepted by cfg80211 to see the new wireless device.
3394 *
3395 * For non-netdev uses, it must also be allocated by the driver
3396 * in response to the cfg80211 callbacks that require it, as
3397 * there's no netdev registration in that case it may not be
3398 * allocated outside of callback operations that return it.
Johannes Bergd3236552009-04-20 14:31:42 +02003399 *
3400 * @wiphy: pointer to hardware description
3401 * @iftype: interface type
3402 * @list: (private) Used to collect the interfaces
Johannes Berg89a54e42012-06-15 14:33:17 +02003403 * @netdev: (private) Used to reference back to the netdev, may be %NULL
3404 * @identifier: (private) Identifier used in nl80211 to identify this
3405 * wireless device if it has no netdev
Johannes Bergd3236552009-04-20 14:31:42 +02003406 * @current_bss: (private) Used by the internal configuration code
Michal Kazior9e0e2962014-01-29 14:22:27 +01003407 * @chandef: (private) Used by the internal configuration code to track
3408 * the user-set channel definition.
Johannes Berg780b40d2013-06-05 09:32:50 +02003409 * @preset_chandef: (private) Used by the internal configuration code to
Johannes Bergaa430da2012-05-16 23:50:18 +02003410 * track the channel to be used for AP later
Johannes Bergd3236552009-04-20 14:31:42 +02003411 * @bssid: (private) Used by the internal configuration code
3412 * @ssid: (private) Used by the internal configuration code
3413 * @ssid_len: (private) Used by the internal configuration code
Johannes Berg29cbe682010-12-03 09:20:44 +01003414 * @mesh_id_len: (private) Used by the internal configuration code
3415 * @mesh_id_up_len: (private) Used by the internal configuration code
Johannes Bergd3236552009-04-20 14:31:42 +02003416 * @wext: (private) Used by the internal wireless extensions compat code
Johannes Berg9bc383d2009-11-19 11:55:19 +01003417 * @use_4addr: indicates 4addr mode is used on this interface, must be
3418 * set by driver (if supported) on add_interface BEFORE registering the
3419 * netdev and may otherwise be used by driver read-only, will be update
3420 * by cfg80211 on change_interface
Johannes Berg2e161f72010-08-12 15:38:38 +02003421 * @mgmt_registrations: list of registrations for management frames
3422 * @mgmt_registrations_lock: lock for the list
Johannes Berg8d61ffa2013-05-10 12:32:47 +02003423 * @mtx: mutex used to lock data in this struct, may be used by drivers
3424 * and some API functions require it held
Johannes Berg56d18932011-05-09 18:41:15 +02003425 * @beacon_interval: beacon interval used on this device for transmitting
3426 * beacons, 0 when not valid
Johannes Berg98104fde2012-06-16 00:19:54 +02003427 * @address: The address for this device, valid only if @netdev is %NULL
3428 * @p2p_started: true if this is a P2P Device that has been started
Simon Wunderlich04f39042013-02-08 18:16:19 +01003429 * @cac_started: true if DFS channel availability check has been started
3430 * @cac_start_time: timestamp (jiffies) when the dfs state was entered.
Janusz Dziedzic31559f32014-02-21 19:46:13 +01003431 * @cac_time_ms: CAC time in ms
Johannes Berg780b40d2013-06-05 09:32:50 +02003432 * @ps: powersave mode is enabled
3433 * @ps_timeout: dynamic powersave timeout
3434 * @ap_unexpected_nlportid: (private) netlink port ID of application
3435 * registered for unexpected class 3 frames (AP mode)
3436 * @conn: (private) cfg80211 software SME connection state machine data
3437 * @connect_keys: (private) keys to set after connection is established
3438 * @ibss_fixed: (private) IBSS is using fixed BSSID
Simon Wunderlich5336fa82013-10-07 18:41:05 +02003439 * @ibss_dfs_possible: (private) IBSS may change to a DFS channel
Johannes Berg780b40d2013-06-05 09:32:50 +02003440 * @event_list: (private) list for internal event processing
3441 * @event_lock: (private) lock for event list
Johannes Berg78f22b62014-03-24 17:57:27 +01003442 * @owner_nlportid: (private) owner socket port ID
Johannes Bergd3236552009-04-20 14:31:42 +02003443 */
3444struct wireless_dev {
3445 struct wiphy *wiphy;
3446 enum nl80211_iftype iftype;
3447
Johannes Berg667503d2009-07-07 03:56:11 +02003448 /* the remainder of this struct should be private to cfg80211 */
Johannes Bergd3236552009-04-20 14:31:42 +02003449 struct list_head list;
3450 struct net_device *netdev;
3451
Johannes Berg89a54e42012-06-15 14:33:17 +02003452 u32 identifier;
3453
Johannes Berg2e161f72010-08-12 15:38:38 +02003454 struct list_head mgmt_registrations;
3455 spinlock_t mgmt_registrations_lock;
Jouni Malinen026331c2010-02-15 12:53:10 +02003456
Johannes Berg667503d2009-07-07 03:56:11 +02003457 struct mutex mtx;
3458
Johannes Berg98104fde2012-06-16 00:19:54 +02003459 bool use_4addr, p2p_started;
3460
3461 u8 address[ETH_ALEN] __aligned(sizeof(u16));
Johannes Berg9bc383d2009-11-19 11:55:19 +01003462
Samuel Ortizb23aa672009-07-01 21:26:54 +02003463 /* currently used for IBSS and SME - might be rearranged later */
Johannes Bergd3236552009-04-20 14:31:42 +02003464 u8 ssid[IEEE80211_MAX_SSID_LEN];
Johannes Berg29cbe682010-12-03 09:20:44 +01003465 u8 ssid_len, mesh_id_len, mesh_id_up_len;
Johannes Berg6829c8782009-07-02 09:13:27 +02003466 struct cfg80211_conn *conn;
Johannes Bergfffd0932009-07-08 14:22:54 +02003467 struct cfg80211_cached_keys *connect_keys;
Johannes Bergd3236552009-04-20 14:31:42 +02003468
Johannes Berg667503d2009-07-07 03:56:11 +02003469 struct list_head event_list;
3470 spinlock_t event_lock;
3471
Johannes Berg19957bb2009-07-02 17:20:43 +02003472 struct cfg80211_internal_bss *current_bss; /* associated / joined */
Johannes Berg683b6d32012-11-08 21:25:48 +01003473 struct cfg80211_chan_def preset_chandef;
Michal Kazior9e0e2962014-01-29 14:22:27 +01003474 struct cfg80211_chan_def chandef;
Michal Kaziorf4489eb2012-06-29 12:46:58 +02003475
Michal Kaziorc30a3d32012-06-29 12:46:59 +02003476 bool ibss_fixed;
Simon Wunderlich5336fa82013-10-07 18:41:05 +02003477 bool ibss_dfs_possible;
Michal Kaziorc30a3d32012-06-29 12:46:59 +02003478
Kalle Valoffb9eb32010-02-17 17:58:10 +02003479 bool ps;
3480 int ps_timeout;
3481
Johannes Berg56d18932011-05-09 18:41:15 +02003482 int beacon_interval;
3483
Eric W. Biederman15e47302012-09-07 20:12:54 +00003484 u32 ap_unexpected_nlportid;
Johannes Berg28946da2011-11-04 11:18:12 +01003485
Simon Wunderlich04f39042013-02-08 18:16:19 +01003486 bool cac_started;
3487 unsigned long cac_start_time;
Janusz Dziedzic31559f32014-02-21 19:46:13 +01003488 unsigned int cac_time_ms;
Simon Wunderlich04f39042013-02-08 18:16:19 +01003489
Johannes Berg78f22b62014-03-24 17:57:27 +01003490 u32 owner_nlportid;
3491
Johannes Berg3d23e342009-09-29 23:27:28 +02003492#ifdef CONFIG_CFG80211_WEXT
Johannes Bergd3236552009-04-20 14:31:42 +02003493 /* wext data */
Johannes Bergcbe8fa92009-05-09 20:09:03 +02003494 struct {
Johannes Bergc238c8a2009-07-07 03:56:06 +02003495 struct cfg80211_ibss_params ibss;
3496 struct cfg80211_connect_params connect;
Johannes Bergfffd0932009-07-08 14:22:54 +02003497 struct cfg80211_cached_keys *keys;
Johannes Bergc1e5f472014-05-19 17:53:16 +02003498 const u8 *ie;
Johannes Bergf2129352009-07-01 21:26:56 +02003499 size_t ie_len;
Johannes Bergf401a6f2009-08-07 14:51:05 +02003500 u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
Johannes Bergf2129352009-07-01 21:26:56 +02003501 u8 ssid[IEEE80211_MAX_SSID_LEN];
Johannes Berg08645122009-05-11 13:54:58 +02003502 s8 default_key, default_mgmt_key;
Kalle Valoffb9eb32010-02-17 17:58:10 +02003503 bool prev_bssid_valid;
Johannes Bergcbe8fa92009-05-09 20:09:03 +02003504 } wext;
Johannes Bergd3236552009-04-20 14:31:42 +02003505#endif
3506};
3507
Johannes Berg98104fde2012-06-16 00:19:54 +02003508static inline u8 *wdev_address(struct wireless_dev *wdev)
3509{
3510 if (wdev->netdev)
3511 return wdev->netdev->dev_addr;
3512 return wdev->address;
3513}
3514
Johannes Bergd3236552009-04-20 14:31:42 +02003515/**
3516 * wdev_priv - return wiphy priv from wireless_dev
3517 *
3518 * @wdev: The wireless device whose wiphy's priv pointer to return
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003519 * Return: The wiphy priv of @wdev.
Johannes Bergd3236552009-04-20 14:31:42 +02003520 */
3521static inline void *wdev_priv(struct wireless_dev *wdev)
3522{
3523 BUG_ON(!wdev);
3524 return wiphy_priv(wdev->wiphy);
3525}
3526
Johannes Bergd70e9692010-08-19 16:11:27 +02003527/**
3528 * DOC: Utility functions
3529 *
3530 * cfg80211 offers a number of utility functions that can be useful.
Johannes Bergd3236552009-04-20 14:31:42 +02003531 */
3532
3533/**
3534 * ieee80211_channel_to_frequency - convert channel number to frequency
Johannes Bergabe37c42010-06-07 11:12:27 +02003535 * @chan: channel number
Bruno Randolf59eb21a2011-01-17 13:37:28 +09003536 * @band: band, necessary due to channel number overlap
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003537 * Return: The corresponding frequency (in MHz), or 0 if the conversion failed.
Johannes Bergd3236552009-04-20 14:31:42 +02003538 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003539int ieee80211_channel_to_frequency(int chan, enum ieee80211_band band);
Johannes Bergd3236552009-04-20 14:31:42 +02003540
3541/**
3542 * ieee80211_frequency_to_channel - convert frequency to channel number
Johannes Bergabe37c42010-06-07 11:12:27 +02003543 * @freq: center frequency
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003544 * Return: The corresponding channel, or 0 if the conversion failed.
Johannes Bergd3236552009-04-20 14:31:42 +02003545 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003546int ieee80211_frequency_to_channel(int freq);
Johannes Bergd3236552009-04-20 14:31:42 +02003547
3548/*
3549 * Name indirection necessary because the ieee80211 code also has
3550 * a function named "ieee80211_get_channel", so if you include
3551 * cfg80211's header file you get cfg80211's version, if you try
3552 * to include both header files you'll (rightfully!) get a symbol
3553 * clash.
3554 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003555struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy,
3556 int freq);
Johannes Bergd3236552009-04-20 14:31:42 +02003557/**
3558 * ieee80211_get_channel - get channel struct from wiphy for specified frequency
Johannes Bergabe37c42010-06-07 11:12:27 +02003559 * @wiphy: the struct wiphy to get the channel for
3560 * @freq: the center frequency of the channel
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003561 * Return: The channel struct from @wiphy at @freq.
Johannes Bergd3236552009-04-20 14:31:42 +02003562 */
3563static inline struct ieee80211_channel *
3564ieee80211_get_channel(struct wiphy *wiphy, int freq)
3565{
3566 return __ieee80211_get_channel(wiphy, freq);
3567}
3568
3569/**
3570 * ieee80211_get_response_rate - get basic rate for a given rate
3571 *
3572 * @sband: the band to look for rates in
3573 * @basic_rates: bitmap of basic rates
3574 * @bitrate: the bitrate for which to find the basic rate
3575 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003576 * Return: The basic rate corresponding to a given bitrate, that
3577 * is the next lower bitrate contained in the basic rate map,
3578 * which is, for this function, given as a bitmap of indices of
3579 * rates in the band's bitrate table.
Johannes Bergd3236552009-04-20 14:31:42 +02003580 */
3581struct ieee80211_rate *
3582ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
3583 u32 basic_rates, int bitrate);
3584
Ashok Nagarajanb422c6c2013-05-10 17:50:51 -07003585/**
3586 * ieee80211_mandatory_rates - get mandatory rates for a given band
3587 * @sband: the band to look for rates in
Simon Wunderlich74608ac2013-07-08 16:55:54 +02003588 * @scan_width: width of the control channel
Ashok Nagarajanb422c6c2013-05-10 17:50:51 -07003589 *
3590 * This function returns a bitmap of the mandatory rates for the given
3591 * band, bits are set according to the rate position in the bitrates array.
3592 */
Simon Wunderlich74608ac2013-07-08 16:55:54 +02003593u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband,
3594 enum nl80211_bss_scan_width scan_width);
Ashok Nagarajanb422c6c2013-05-10 17:50:51 -07003595
Johannes Bergd3236552009-04-20 14:31:42 +02003596/*
3597 * Radiotap parsing functions -- for controlled injection support
3598 *
3599 * Implemented in net/wireless/radiotap.c
3600 * Documentation in Documentation/networking/radiotap-headers.txt
3601 */
3602
Johannes Berg33e5a2f2010-02-03 10:24:30 +01003603struct radiotap_align_size {
3604 uint8_t align:4, size:4;
3605};
3606
3607struct ieee80211_radiotap_namespace {
3608 const struct radiotap_align_size *align_size;
3609 int n_bits;
3610 uint32_t oui;
3611 uint8_t subns;
3612};
3613
3614struct ieee80211_radiotap_vendor_namespaces {
3615 const struct ieee80211_radiotap_namespace *ns;
3616 int n_ns;
3617};
3618
Johannes Bergd3236552009-04-20 14:31:42 +02003619/**
3620 * struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args
Johannes Berg33e5a2f2010-02-03 10:24:30 +01003621 * @this_arg_index: index of current arg, valid after each successful call
3622 * to ieee80211_radiotap_iterator_next()
3623 * @this_arg: pointer to current radiotap arg; it is valid after each
3624 * call to ieee80211_radiotap_iterator_next() but also after
3625 * ieee80211_radiotap_iterator_init() where it will point to
3626 * the beginning of the actual data portion
3627 * @this_arg_size: length of the current arg, for convenience
3628 * @current_namespace: pointer to the current namespace definition
3629 * (or internally %NULL if the current namespace is unknown)
3630 * @is_radiotap_ns: indicates whether the current namespace is the default
3631 * radiotap namespace or not
3632 *
Johannes Berg33e5a2f2010-02-03 10:24:30 +01003633 * @_rtheader: pointer to the radiotap header we are walking through
3634 * @_max_length: length of radiotap header in cpu byte ordering
3635 * @_arg_index: next argument index
3636 * @_arg: next argument pointer
3637 * @_next_bitmap: internal pointer to next present u32
3638 * @_bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present
3639 * @_vns: vendor namespace definitions
3640 * @_next_ns_data: beginning of the next namespace's data
3641 * @_reset_on_ext: internal; reset the arg index to 0 when going to the
3642 * next bitmap word
3643 *
3644 * Describes the radiotap parser state. Fields prefixed with an underscore
3645 * must not be used by users of the parser, only by the parser internally.
Johannes Bergd3236552009-04-20 14:31:42 +02003646 */
3647
3648struct ieee80211_radiotap_iterator {
Johannes Berg33e5a2f2010-02-03 10:24:30 +01003649 struct ieee80211_radiotap_header *_rtheader;
3650 const struct ieee80211_radiotap_vendor_namespaces *_vns;
3651 const struct ieee80211_radiotap_namespace *current_namespace;
Johannes Bergd3236552009-04-20 14:31:42 +02003652
Johannes Berg33e5a2f2010-02-03 10:24:30 +01003653 unsigned char *_arg, *_next_ns_data;
Johannes Berg67272442010-04-21 10:25:36 +02003654 __le32 *_next_bitmap;
Johannes Berg33e5a2f2010-02-03 10:24:30 +01003655
3656 unsigned char *this_arg;
3657 int this_arg_index;
3658 int this_arg_size;
3659
3660 int is_radiotap_ns;
3661
3662 int _max_length;
3663 int _arg_index;
3664 uint32_t _bitmap_shifter;
3665 int _reset_on_ext;
Johannes Bergd3236552009-04-20 14:31:42 +02003666};
3667
Joe Perches10dd9b72013-07-31 17:31:37 -07003668int
3669ieee80211_radiotap_iterator_init(struct ieee80211_radiotap_iterator *iterator,
3670 struct ieee80211_radiotap_header *radiotap_header,
3671 int max_length,
3672 const struct ieee80211_radiotap_vendor_namespaces *vns);
Johannes Bergd3236552009-04-20 14:31:42 +02003673
Joe Perches10dd9b72013-07-31 17:31:37 -07003674int
3675ieee80211_radiotap_iterator_next(struct ieee80211_radiotap_iterator *iterator);
Johannes Berg33e5a2f2010-02-03 10:24:30 +01003676
Johannes Bergd3236552009-04-20 14:31:42 +02003677
Zhu Yie31a16d2009-05-21 21:47:03 +08003678extern const unsigned char rfc1042_header[6];
3679extern const unsigned char bridge_tunnel_header[6];
3680
3681/**
3682 * ieee80211_get_hdrlen_from_skb - get header length from data
3683 *
Zhu Yie31a16d2009-05-21 21:47:03 +08003684 * @skb: the frame
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003685 *
3686 * Given an skb with a raw 802.11 header at the data pointer this function
3687 * returns the 802.11 header length.
3688 *
3689 * Return: The 802.11 header length in bytes (not including encryption
3690 * headers). Or 0 if the data in the sk_buff is too short to contain a valid
3691 * 802.11 header.
Zhu Yie31a16d2009-05-21 21:47:03 +08003692 */
3693unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb);
3694
3695/**
3696 * ieee80211_hdrlen - get header length in bytes from frame control
3697 * @fc: frame control field in little-endian format
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003698 * Return: The header length in bytes.
Zhu Yie31a16d2009-05-21 21:47:03 +08003699 */
Johannes Berg633adf12010-08-12 14:49:58 +02003700unsigned int __attribute_const__ ieee80211_hdrlen(__le16 fc);
Zhu Yie31a16d2009-05-21 21:47:03 +08003701
3702/**
Johannes Berg9b395bc2012-10-26 00:36:40 +02003703 * ieee80211_get_mesh_hdrlen - get mesh extension header length
3704 * @meshhdr: the mesh extension header, only the flags field
3705 * (first byte) will be accessed
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003706 * Return: The length of the extension header, which is always at
Johannes Berg9b395bc2012-10-26 00:36:40 +02003707 * least 6 bytes and at most 18 if address 5 and 6 are present.
3708 */
3709unsigned int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr);
3710
3711/**
Johannes Bergd70e9692010-08-19 16:11:27 +02003712 * DOC: Data path helpers
3713 *
3714 * In addition to generic utilities, cfg80211 also offers
3715 * functions that help implement the data path for devices
3716 * that do not do the 802.11/802.3 conversion on the device.
3717 */
3718
3719/**
Zhu Yie31a16d2009-05-21 21:47:03 +08003720 * ieee80211_data_to_8023 - convert an 802.11 data frame to 802.3
3721 * @skb: the 802.11 data frame
3722 * @addr: the device MAC address
3723 * @iftype: the virtual interface type
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003724 * Return: 0 on success. Non-zero on error.
Zhu Yie31a16d2009-05-21 21:47:03 +08003725 */
Zhu Yieaf85ca2009-12-01 10:18:37 +08003726int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
Zhu Yie31a16d2009-05-21 21:47:03 +08003727 enum nl80211_iftype iftype);
3728
3729/**
3730 * ieee80211_data_from_8023 - convert an 802.3 frame to 802.11
3731 * @skb: the 802.3 frame
3732 * @addr: the device MAC address
3733 * @iftype: the virtual interface type
3734 * @bssid: the network bssid (used only for iftype STATION and ADHOC)
3735 * @qos: build 802.11 QoS data frame
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003736 * Return: 0 on success, or a negative error code.
Zhu Yie31a16d2009-05-21 21:47:03 +08003737 */
Zhu Yieaf85ca2009-12-01 10:18:37 +08003738int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr,
Johannes Bergc1e5f472014-05-19 17:53:16 +02003739 enum nl80211_iftype iftype, const u8 *bssid,
3740 bool qos);
Zhu Yie31a16d2009-05-21 21:47:03 +08003741
3742/**
Zhu Yieaf85ca2009-12-01 10:18:37 +08003743 * ieee80211_amsdu_to_8023s - decode an IEEE 802.11n A-MSDU frame
3744 *
3745 * Decode an IEEE 802.11n A-MSDU frame and convert it to a list of
3746 * 802.3 frames. The @list will be empty if the decode fails. The
3747 * @skb is consumed after the function returns.
3748 *
3749 * @skb: The input IEEE 802.11n A-MSDU frame.
3750 * @list: The output list of 802.3 frames. It must be allocated and
3751 * initialized by by the caller.
3752 * @addr: The device MAC address.
3753 * @iftype: The device interface type.
3754 * @extra_headroom: The hardware extra headroom for SKBs in the @list.
Yogesh Ashok Powar8b3beca2011-05-13 11:22:31 -07003755 * @has_80211_header: Set it true if SKB is with IEEE 802.11 header.
Zhu Yieaf85ca2009-12-01 10:18:37 +08003756 */
3757void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
3758 const u8 *addr, enum nl80211_iftype iftype,
Yogesh Ashok Powar8b3beca2011-05-13 11:22:31 -07003759 const unsigned int extra_headroom,
3760 bool has_80211_header);
Zhu Yieaf85ca2009-12-01 10:18:37 +08003761
3762/**
Zhu Yie31a16d2009-05-21 21:47:03 +08003763 * cfg80211_classify8021d - determine the 802.1p/1d tag for a data frame
3764 * @skb: the data frame
Kyeyoon Parkfa9ffc72013-12-16 23:01:30 -08003765 * @qos_map: Interworking QoS mapping or %NULL if not in use
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003766 * Return: The 802.1p/1d tag.
Zhu Yie31a16d2009-05-21 21:47:03 +08003767 */
Kyeyoon Parkfa9ffc72013-12-16 23:01:30 -08003768unsigned int cfg80211_classify8021d(struct sk_buff *skb,
3769 struct cfg80211_qos_map *qos_map);
Zhu Yie31a16d2009-05-21 21:47:03 +08003770
Johannes Bergc21dbf92010-01-26 14:15:46 +01003771/**
3772 * cfg80211_find_ie - find information element in data
3773 *
3774 * @eid: element ID
3775 * @ies: data consisting of IEs
3776 * @len: length of data
3777 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003778 * Return: %NULL if the element ID could not be found or if
3779 * the element is invalid (claims to be longer than the given
3780 * data), or a pointer to the first byte of the requested
3781 * element, that is the byte containing the element ID.
3782 *
3783 * Note: There are no checks on the element length other than
3784 * having to fit into the given data.
Johannes Bergc21dbf92010-01-26 14:15:46 +01003785 */
3786const u8 *cfg80211_find_ie(u8 eid, const u8 *ies, int len);
3787
Johannes Bergd70e9692010-08-19 16:11:27 +02003788/**
Eliad Peller0c28ec52011-09-15 11:53:01 +03003789 * cfg80211_find_vendor_ie - find vendor specific information element in data
3790 *
3791 * @oui: vendor OUI
3792 * @oui_type: vendor-specific OUI type
3793 * @ies: data consisting of IEs
3794 * @len: length of data
3795 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003796 * Return: %NULL if the vendor specific element ID could not be found or if the
3797 * element is invalid (claims to be longer than the given data), or a pointer to
3798 * the first byte of the requested element, that is the byte containing the
3799 * element ID.
3800 *
3801 * Note: There are no checks on the element length other than having to fit into
3802 * the given data.
Eliad Peller0c28ec52011-09-15 11:53:01 +03003803 */
3804const u8 *cfg80211_find_vendor_ie(unsigned int oui, u8 oui_type,
3805 const u8 *ies, int len);
3806
3807/**
Johannes Bergd70e9692010-08-19 16:11:27 +02003808 * DOC: Regulatory enforcement infrastructure
3809 *
3810 * TODO
Johannes Bergd3236552009-04-20 14:31:42 +02003811 */
3812
3813/**
3814 * regulatory_hint - driver hint to the wireless core a regulatory domain
3815 * @wiphy: the wireless device giving the hint (used only for reporting
3816 * conflicts)
3817 * @alpha2: the ISO/IEC 3166 alpha2 the driver claims its regulatory domain
3818 * should be in. If @rd is set this should be NULL. Note that if you
3819 * set this to NULL you should still set rd->alpha2 to some accepted
3820 * alpha2.
3821 *
3822 * Wireless drivers can use this function to hint to the wireless core
3823 * what it believes should be the current regulatory domain by
3824 * giving it an ISO/IEC 3166 alpha2 country code it knows its regulatory
3825 * domain should be in or by providing a completely build regulatory domain.
3826 * If the driver provides an ISO/IEC 3166 alpha2 userspace will be queried
3827 * for a regulatory domain structure for the respective country.
3828 *
3829 * The wiphy must have been registered to cfg80211 prior to this call.
3830 * For cfg80211 drivers this means you must first use wiphy_register(),
3831 * for mac80211 drivers you must first use ieee80211_register_hw().
3832 *
3833 * Drivers should check the return value, its possible you can get
3834 * an -ENOMEM.
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003835 *
3836 * Return: 0 on success. -ENOMEM.
Johannes Bergd3236552009-04-20 14:31:42 +02003837 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003838int regulatory_hint(struct wiphy *wiphy, const char *alpha2);
Johannes Bergd3236552009-04-20 14:31:42 +02003839
3840/**
Jonathan Doronb0d7aa52014-12-15 19:26:00 +02003841 * regulatory_set_wiphy_regd - set regdom info for self managed drivers
3842 * @wiphy: the wireless device we want to process the regulatory domain on
3843 * @rd: the regulatory domain informatoin to use for this wiphy
3844 *
3845 * Set the regulatory domain information for self-managed wiphys, only they
3846 * may use this function. See %REGULATORY_WIPHY_SELF_MANAGED for more
3847 * information.
3848 *
3849 * Return: 0 on success. -EINVAL, -EPERM
3850 */
3851int regulatory_set_wiphy_regd(struct wiphy *wiphy,
3852 struct ieee80211_regdomain *rd);
3853
3854/**
Arik Nemtsov2c3e8612015-01-07 16:47:19 +02003855 * regulatory_set_wiphy_regd_sync_rtnl - set regdom for self-managed drivers
3856 * @wiphy: the wireless device we want to process the regulatory domain on
3857 * @rd: the regulatory domain information to use for this wiphy
3858 *
3859 * This functions requires the RTNL to be held and applies the new regdomain
3860 * synchronously to this wiphy. For more details see
3861 * regulatory_set_wiphy_regd().
3862 *
3863 * Return: 0 on success. -EINVAL, -EPERM
3864 */
3865int regulatory_set_wiphy_regd_sync_rtnl(struct wiphy *wiphy,
3866 struct ieee80211_regdomain *rd);
3867
3868/**
Johannes Bergd3236552009-04-20 14:31:42 +02003869 * wiphy_apply_custom_regulatory - apply a custom driver regulatory domain
3870 * @wiphy: the wireless device we want to process the regulatory domain on
3871 * @regd: the custom regulatory domain to use for this wiphy
3872 *
3873 * Drivers can sometimes have custom regulatory domains which do not apply
3874 * to a specific country. Drivers can use this to apply such custom regulatory
3875 * domains. This routine must be called prior to wiphy registration. The
3876 * custom regulatory domain will be trusted completely and as such previous
3877 * default channel settings will be disregarded. If no rule is found for a
3878 * channel on the regulatory domain the channel will be disabled.
Luis R. Rodriguez222ea582013-11-05 09:18:00 -08003879 * Drivers using this for a wiphy should also set the wiphy flag
Kalle Valoce261512014-04-03 10:03:45 +03003880 * REGULATORY_CUSTOM_REG or cfg80211 will set it for the wiphy
Luis R. Rodriguez222ea582013-11-05 09:18:00 -08003881 * that called this helper.
Johannes Bergd3236552009-04-20 14:31:42 +02003882 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003883void wiphy_apply_custom_regulatory(struct wiphy *wiphy,
3884 const struct ieee80211_regdomain *regd);
Johannes Bergd3236552009-04-20 14:31:42 +02003885
3886/**
3887 * freq_reg_info - get regulatory information for the given frequency
3888 * @wiphy: the wiphy for which we want to process this rule for
3889 * @center_freq: Frequency in KHz for which we want regulatory information for
Johannes Bergd3236552009-04-20 14:31:42 +02003890 *
3891 * Use this function to get the regulatory rule for a specific frequency on
3892 * a given wireless device. If the device has a specific regulatory domain
3893 * it wants to follow we respect that unless a country IE has been received
3894 * and processed already.
3895 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003896 * Return: A valid pointer, or, when an error occurs, for example if no rule
3897 * can be found, the return value is encoded using ERR_PTR(). Use IS_ERR() to
3898 * check and PTR_ERR() to obtain the numeric return value. The numeric return
3899 * value will be -ERANGE if we determine the given center_freq does not even
3900 * have a regulatory rule for a frequency range in the center_freq's band.
3901 * See freq_in_rule_band() for our current definition of a band -- this is
3902 * purely subjective and right now it's 802.11 specific.
Johannes Bergd3236552009-04-20 14:31:42 +02003903 */
Johannes Berg361c9c82012-12-06 15:57:14 +01003904const struct ieee80211_reg_rule *freq_reg_info(struct wiphy *wiphy,
3905 u32 center_freq);
Johannes Bergd3236552009-04-20 14:31:42 +02003906
Luis R. Rodriguez034c6d62013-10-14 17:42:06 -07003907/**
3908 * reg_initiator_name - map regulatory request initiator enum to name
3909 * @initiator: the regulatory request initiator
3910 *
3911 * You can use this to map the regulatory request initiator enum to a
3912 * proper string representation.
3913 */
3914const char *reg_initiator_name(enum nl80211_reg_initiator initiator);
3915
Johannes Bergd3236552009-04-20 14:31:42 +02003916/*
Johannes Bergd3236552009-04-20 14:31:42 +02003917 * callbacks for asynchronous cfg80211 methods, notification
3918 * functions and BSS handling helpers
3919 */
3920
Johannes Berg2a519312009-02-10 21:25:55 +01003921/**
3922 * cfg80211_scan_done - notify that scan finished
3923 *
3924 * @request: the corresponding scan request
3925 * @aborted: set to true if the scan was aborted for any reason,
3926 * userspace will be notified of that
3927 */
3928void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted);
3929
3930/**
Luciano Coelho807f8a82011-05-11 17:09:35 +03003931 * cfg80211_sched_scan_results - notify that new scan results are available
3932 *
3933 * @wiphy: the wiphy which got scheduled scan results
3934 */
3935void cfg80211_sched_scan_results(struct wiphy *wiphy);
3936
3937/**
3938 * cfg80211_sched_scan_stopped - notify that the scheduled scan has stopped
3939 *
3940 * @wiphy: the wiphy on which the scheduled scan stopped
3941 *
3942 * The driver can call this function to inform cfg80211 that the
3943 * scheduled scan had to be stopped, for whatever reason. The driver
3944 * is then called back via the sched_scan_stop operation when done.
3945 */
3946void cfg80211_sched_scan_stopped(struct wiphy *wiphy);
3947
3948/**
Eliad Peller792e6aa2014-04-30 16:14:23 +03003949 * cfg80211_sched_scan_stopped_rtnl - notify that the scheduled scan has stopped
3950 *
3951 * @wiphy: the wiphy on which the scheduled scan stopped
3952 *
3953 * The driver can call this function to inform cfg80211 that the
3954 * scheduled scan had to be stopped, for whatever reason. The driver
3955 * is then called back via the sched_scan_stop operation when done.
3956 * This function should be called with rtnl locked.
3957 */
3958void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy);
3959
3960/**
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02003961 * cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame
Johannes Berg2a519312009-02-10 21:25:55 +01003962 *
3963 * @wiphy: the wiphy reporting the BSS
Emmanuel Grumbach3afc2162014-03-04 16:50:13 +02003964 * @rx_channel: The channel the frame was received on
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02003965 * @scan_width: width of the control channel
Johannes Bergabe37c42010-06-07 11:12:27 +02003966 * @mgmt: the management frame (probe response or beacon)
3967 * @len: length of the management frame
Johannes Berg77965c92009-02-18 18:45:06 +01003968 * @signal: the signal strength, type depends on the wiphy's signal_type
Johannes Berg2a519312009-02-10 21:25:55 +01003969 * @gfp: context flags
3970 *
3971 * This informs cfg80211 that BSS information was found and
3972 * the BSS should be updated/added.
Johannes Bergef100682011-10-27 14:45:02 +02003973 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003974 * Return: A referenced struct, must be released with cfg80211_put_bss()!
3975 * Or %NULL on error.
Johannes Berg2a519312009-02-10 21:25:55 +01003976 */
Johannes Bergef100682011-10-27 14:45:02 +02003977struct cfg80211_bss * __must_check
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02003978cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
Emmanuel Grumbach3afc2162014-03-04 16:50:13 +02003979 struct ieee80211_channel *rx_channel,
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02003980 enum nl80211_bss_scan_width scan_width,
3981 struct ieee80211_mgmt *mgmt, size_t len,
3982 s32 signal, gfp_t gfp);
3983
3984static inline struct cfg80211_bss * __must_check
Johannes Berg2a519312009-02-10 21:25:55 +01003985cfg80211_inform_bss_frame(struct wiphy *wiphy,
Emmanuel Grumbach3afc2162014-03-04 16:50:13 +02003986 struct ieee80211_channel *rx_channel,
Johannes Berg2a519312009-02-10 21:25:55 +01003987 struct ieee80211_mgmt *mgmt, size_t len,
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02003988 s32 signal, gfp_t gfp)
3989{
Emmanuel Grumbach3afc2162014-03-04 16:50:13 +02003990 return cfg80211_inform_bss_width_frame(wiphy, rx_channel,
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02003991 NL80211_BSS_CHAN_WIDTH_20,
3992 mgmt, len, signal, gfp);
3993}
Johannes Berg2a519312009-02-10 21:25:55 +01003994
Johannes Bergabe37c42010-06-07 11:12:27 +02003995/**
Johannes Berg5bc8c1f2014-08-12 21:01:28 +02003996 * enum cfg80211_bss_frame_type - frame type that the BSS data came from
3997 * @CFG80211_BSS_FTYPE_UNKNOWN: driver doesn't know whether the data is
3998 * from a beacon or probe response
3999 * @CFG80211_BSS_FTYPE_BEACON: data comes from a beacon
4000 * @CFG80211_BSS_FTYPE_PRESP: data comes from a probe response
4001 */
4002enum cfg80211_bss_frame_type {
4003 CFG80211_BSS_FTYPE_UNKNOWN,
4004 CFG80211_BSS_FTYPE_BEACON,
4005 CFG80211_BSS_FTYPE_PRESP,
4006};
4007
4008/**
4009 * cfg80211_inform_bss_width - inform cfg80211 of a new BSS
Johannes Bergabe37c42010-06-07 11:12:27 +02004010 *
4011 * @wiphy: the wiphy reporting the BSS
Emmanuel Grumbach3afc2162014-03-04 16:50:13 +02004012 * @rx_channel: The channel the frame was received on
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004013 * @scan_width: width of the control channel
Johannes Berg5bc8c1f2014-08-12 21:01:28 +02004014 * @ftype: frame type (if known)
Johannes Bergabe37c42010-06-07 11:12:27 +02004015 * @bssid: the BSSID of the BSS
Johannes Berg7b8bcff2012-03-13 13:57:04 +01004016 * @tsf: the TSF sent by the peer in the beacon/probe response (or 0)
Johannes Bergabe37c42010-06-07 11:12:27 +02004017 * @capability: the capability field sent by the peer
4018 * @beacon_interval: the beacon interval announced by the peer
4019 * @ie: additional IEs sent by the peer
4020 * @ielen: length of the additional IEs
4021 * @signal: the signal strength, type depends on the wiphy's signal_type
4022 * @gfp: context flags
4023 *
4024 * This informs cfg80211 that BSS information was found and
4025 * the BSS should be updated/added.
Johannes Bergef100682011-10-27 14:45:02 +02004026 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004027 * Return: A referenced struct, must be released with cfg80211_put_bss()!
4028 * Or %NULL on error.
Johannes Bergabe37c42010-06-07 11:12:27 +02004029 */
Johannes Bergef100682011-10-27 14:45:02 +02004030struct cfg80211_bss * __must_check
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004031cfg80211_inform_bss_width(struct wiphy *wiphy,
Emmanuel Grumbach3afc2162014-03-04 16:50:13 +02004032 struct ieee80211_channel *rx_channel,
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004033 enum nl80211_bss_scan_width scan_width,
Johannes Berg5bc8c1f2014-08-12 21:01:28 +02004034 enum cfg80211_bss_frame_type ftype,
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004035 const u8 *bssid, u64 tsf, u16 capability,
4036 u16 beacon_interval, const u8 *ie, size_t ielen,
4037 s32 signal, gfp_t gfp);
4038
4039static inline struct cfg80211_bss * __must_check
Jussi Kivilinna06aa7af2009-03-26 23:40:09 +02004040cfg80211_inform_bss(struct wiphy *wiphy,
Emmanuel Grumbach3afc2162014-03-04 16:50:13 +02004041 struct ieee80211_channel *rx_channel,
Johannes Berg5bc8c1f2014-08-12 21:01:28 +02004042 enum cfg80211_bss_frame_type ftype,
Johannes Berg7b8bcff2012-03-13 13:57:04 +01004043 const u8 *bssid, u64 tsf, u16 capability,
4044 u16 beacon_interval, const u8 *ie, size_t ielen,
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004045 s32 signal, gfp_t gfp)
4046{
Emmanuel Grumbach3afc2162014-03-04 16:50:13 +02004047 return cfg80211_inform_bss_width(wiphy, rx_channel,
Johannes Berg5bc8c1f2014-08-12 21:01:28 +02004048 NL80211_BSS_CHAN_WIDTH_20, ftype,
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004049 bssid, tsf, capability,
4050 beacon_interval, ie, ielen, signal,
4051 gfp);
4052}
Jussi Kivilinna06aa7af2009-03-26 23:40:09 +02004053
Johannes Berg2a519312009-02-10 21:25:55 +01004054struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
4055 struct ieee80211_channel *channel,
4056 const u8 *bssid,
Johannes Berg79420f02009-02-10 21:25:59 +01004057 const u8 *ssid, size_t ssid_len,
Dedy Lansky6eb18132015-02-08 15:52:03 +02004058 enum ieee80211_bss_type bss_type,
4059 enum ieee80211_privacy);
Johannes Berg79420f02009-02-10 21:25:59 +01004060static inline struct cfg80211_bss *
4061cfg80211_get_ibss(struct wiphy *wiphy,
4062 struct ieee80211_channel *channel,
4063 const u8 *ssid, size_t ssid_len)
4064{
4065 return cfg80211_get_bss(wiphy, channel, NULL, ssid, ssid_len,
Dedy Lansky6eb18132015-02-08 15:52:03 +02004066 IEEE80211_BSS_TYPE_IBSS,
4067 IEEE80211_PRIVACY_ANY);
Johannes Berg79420f02009-02-10 21:25:59 +01004068}
4069
Johannes Berg4c0c0b72012-01-20 13:55:26 +01004070/**
4071 * cfg80211_ref_bss - reference BSS struct
Johannes Berg5b112d32013-02-01 01:49:58 +01004072 * @wiphy: the wiphy this BSS struct belongs to
Johannes Berg4c0c0b72012-01-20 13:55:26 +01004073 * @bss: the BSS struct to reference
4074 *
4075 * Increments the refcount of the given BSS struct.
4076 */
Johannes Berg5b112d32013-02-01 01:49:58 +01004077void cfg80211_ref_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
Johannes Berg4c0c0b72012-01-20 13:55:26 +01004078
4079/**
4080 * cfg80211_put_bss - unref BSS struct
Johannes Berg5b112d32013-02-01 01:49:58 +01004081 * @wiphy: the wiphy this BSS struct belongs to
Johannes Berg4c0c0b72012-01-20 13:55:26 +01004082 * @bss: the BSS struct
4083 *
4084 * Decrements the refcount of the given BSS struct.
4085 */
Johannes Berg5b112d32013-02-01 01:49:58 +01004086void cfg80211_put_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
Johannes Bergd3236552009-04-20 14:31:42 +02004087
Johannes Bergd491af12009-02-10 21:25:58 +01004088/**
4089 * cfg80211_unlink_bss - unlink BSS from internal data structures
4090 * @wiphy: the wiphy
4091 * @bss: the bss to remove
4092 *
4093 * This function removes the given BSS from the internal data structures
4094 * thereby making it no longer show up in scan results etc. Use this
4095 * function when you detect a BSS is gone. Normally BSSes will also time
4096 * out, so it is not necessary to use this function at all.
4097 */
4098void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
Johannes Bergfee52672008-11-26 22:36:31 +01004099
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004100static inline enum nl80211_bss_scan_width
4101cfg80211_chandef_to_scan_width(const struct cfg80211_chan_def *chandef)
4102{
4103 switch (chandef->width) {
4104 case NL80211_CHAN_WIDTH_5:
4105 return NL80211_BSS_CHAN_WIDTH_5;
4106 case NL80211_CHAN_WIDTH_10:
4107 return NL80211_BSS_CHAN_WIDTH_10;
4108 default:
4109 return NL80211_BSS_CHAN_WIDTH_20;
4110 }
4111}
4112
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004113/**
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004114 * cfg80211_rx_mlme_mgmt - notification of processed MLME management frame
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004115 * @dev: network device
4116 * @buf: authentication frame (header + body)
4117 * @len: length of the frame data
4118 *
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004119 * This function is called whenever an authentication, disassociation or
4120 * deauthentication frame has been received and processed in station mode.
4121 * After being asked to authenticate via cfg80211_ops::auth() the driver must
4122 * call either this function or cfg80211_auth_timeout().
4123 * After being asked to associate via cfg80211_ops::assoc() the driver must
4124 * call either this function or cfg80211_auth_timeout().
4125 * While connected, the driver must calls this for received and processed
4126 * disassociation and deauthentication frames. If the frame couldn't be used
4127 * because it was unprotected, the driver must call the function
4128 * cfg80211_rx_unprot_mlme_mgmt() instead.
4129 *
4130 * This function may sleep. The caller must hold the corresponding wdev's mutex.
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004131 */
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004132void cfg80211_rx_mlme_mgmt(struct net_device *dev, const u8 *buf, size_t len);
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004133
4134/**
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004135 * cfg80211_auth_timeout - notification of timed out authentication
Jouni Malinen1965c852009-04-22 21:38:25 +03004136 * @dev: network device
4137 * @addr: The MAC address of the device with which the authentication timed out
Johannes Bergcb0b4be2009-07-07 03:56:07 +02004138 *
Johannes Berg8d61ffa2013-05-10 12:32:47 +02004139 * This function may sleep. The caller must hold the corresponding wdev's
4140 * mutex.
Jouni Malinen1965c852009-04-22 21:38:25 +03004141 */
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004142void cfg80211_auth_timeout(struct net_device *dev, const u8 *addr);
Jouni Malinen1965c852009-04-22 21:38:25 +03004143
4144/**
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004145 * cfg80211_rx_assoc_resp - notification of processed association response
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004146 * @dev: network device
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004147 * @bss: the BSS that association was requested with, ownership of the pointer
4148 * moves to cfg80211 in this call
4149 * @buf: authentication frame (header + body)
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004150 * @len: length of the frame data
Eliad Pellerb0b6aa22014-09-09 17:09:45 +03004151 * @uapsd_queues: bitmap of ACs configured to uapsd. -1 if n/a.
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004152 *
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004153 * After being asked to associate via cfg80211_ops::assoc() the driver must
4154 * call either this function or cfg80211_auth_timeout().
4155 *
4156 * This function may sleep. The caller must hold the corresponding wdev's mutex.
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004157 */
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004158void cfg80211_rx_assoc_resp(struct net_device *dev,
4159 struct cfg80211_bss *bss,
Eliad Pellerb0b6aa22014-09-09 17:09:45 +03004160 const u8 *buf, size_t len,
4161 int uapsd_queues);
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004162
4163/**
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004164 * cfg80211_assoc_timeout - notification of timed out association
Jouni Malinen1965c852009-04-22 21:38:25 +03004165 * @dev: network device
Johannes Berg959867f2013-06-19 13:05:42 +02004166 * @bss: The BSS entry with which association timed out.
Johannes Bergcb0b4be2009-07-07 03:56:07 +02004167 *
Johannes Berg8d61ffa2013-05-10 12:32:47 +02004168 * This function may sleep. The caller must hold the corresponding wdev's mutex.
Jouni Malinen1965c852009-04-22 21:38:25 +03004169 */
Johannes Berg959867f2013-06-19 13:05:42 +02004170void cfg80211_assoc_timeout(struct net_device *dev, struct cfg80211_bss *bss);
Jouni Malinen1965c852009-04-22 21:38:25 +03004171
4172/**
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004173 * cfg80211_tx_mlme_mgmt - notification of transmitted deauth/disassoc frame
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004174 * @dev: network device
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004175 * @buf: 802.11 frame (header + body)
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004176 * @len: length of the frame data
4177 *
4178 * This function is called whenever deauthentication has been processed in
Jouni Malinen53b46b82009-03-27 20:53:56 +02004179 * station mode. This includes both received deauthentication frames and
Johannes Berg8d61ffa2013-05-10 12:32:47 +02004180 * locally generated ones. This function may sleep. The caller must hold the
4181 * corresponding wdev's mutex.
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004182 */
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004183void cfg80211_tx_mlme_mgmt(struct net_device *dev, const u8 *buf, size_t len);
Holger Schurigce470612009-10-13 13:28:13 +02004184
4185/**
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004186 * cfg80211_rx_unprot_mlme_mgmt - notification of unprotected mlme mgmt frame
Jouni Malinencf4e5942010-12-16 00:52:40 +02004187 * @dev: network device
4188 * @buf: deauthentication frame (header + body)
4189 * @len: length of the frame data
4190 *
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004191 * This function is called whenever a received deauthentication or dissassoc
4192 * frame has been dropped in station mode because of MFP being used but the
Jouni Malinencf4e5942010-12-16 00:52:40 +02004193 * frame was not protected. This function may sleep.
4194 */
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004195void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev,
4196 const u8 *buf, size_t len);
Jouni Malinencf4e5942010-12-16 00:52:40 +02004197
4198/**
Jouni Malinena3b8b052009-03-27 21:59:49 +02004199 * cfg80211_michael_mic_failure - notification of Michael MIC failure (TKIP)
4200 * @dev: network device
4201 * @addr: The source MAC address of the frame
4202 * @key_type: The key type that the received frame used
Arik Nemtsova66b98d2011-06-23 00:00:24 +03004203 * @key_id: Key identifier (0..3). Can be -1 if missing.
Jouni Malinena3b8b052009-03-27 21:59:49 +02004204 * @tsc: The TSC value of the frame that generated the MIC failure (6 octets)
Johannes Berge6d6e342009-07-01 21:26:47 +02004205 * @gfp: allocation flags
Jouni Malinena3b8b052009-03-27 21:59:49 +02004206 *
4207 * This function is called whenever the local MAC detects a MIC failure in a
4208 * received frame. This matches with MLME-MICHAELMICFAILURE.indication()
4209 * primitive.
4210 */
4211void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
4212 enum nl80211_key_type key_type, int key_id,
Johannes Berge6d6e342009-07-01 21:26:47 +02004213 const u8 *tsc, gfp_t gfp);
Jouni Malinena3b8b052009-03-27 21:59:49 +02004214
Johannes Berg04a773a2009-04-19 21:24:32 +02004215/**
4216 * cfg80211_ibss_joined - notify cfg80211 that device joined an IBSS
4217 *
4218 * @dev: network device
4219 * @bssid: the BSSID of the IBSS joined
Antonio Quartullife94f3a2014-01-29 17:53:43 +01004220 * @channel: the channel of the IBSS joined
Johannes Berg04a773a2009-04-19 21:24:32 +02004221 * @gfp: allocation flags
4222 *
4223 * This function notifies cfg80211 that the device joined an IBSS or
4224 * switched to a different BSSID. Before this function can be called,
4225 * either a beacon has to have been received from the IBSS, or one of
4226 * the cfg80211_inform_bss{,_frame} functions must have been called
4227 * with the locally generated beacon -- this guarantees that there is
4228 * always a scan result for this IBSS. cfg80211 will handle the rest.
4229 */
Antonio Quartullife94f3a2014-01-29 17:53:43 +01004230void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
4231 struct ieee80211_channel *channel, gfp_t gfp);
Johannes Berg04a773a2009-04-19 21:24:32 +02004232
Johannes Berg1f87f7d2009-06-02 13:01:41 +02004233/**
Javier Cardonac93b5e72011-04-07 15:08:34 -07004234 * cfg80211_notify_new_candidate - notify cfg80211 of a new mesh peer candidate
4235 *
4236 * @dev: network device
4237 * @macaddr: the MAC address of the new candidate
4238 * @ie: information elements advertised by the peer candidate
4239 * @ie_len: lenght of the information elements buffer
4240 * @gfp: allocation flags
4241 *
4242 * This function notifies cfg80211 that the mesh peer candidate has been
4243 * detected, most likely via a beacon or, less likely, via a probe response.
4244 * cfg80211 then sends a notification to userspace.
4245 */
4246void cfg80211_notify_new_peer_candidate(struct net_device *dev,
4247 const u8 *macaddr, const u8 *ie, u8 ie_len, gfp_t gfp);
4248
4249/**
Johannes Bergd70e9692010-08-19 16:11:27 +02004250 * DOC: RFkill integration
4251 *
4252 * RFkill integration in cfg80211 is almost invisible to drivers,
4253 * as cfg80211 automatically registers an rfkill instance for each
4254 * wireless device it knows about. Soft kill is also translated
4255 * into disconnecting and turning all interfaces off, drivers are
4256 * expected to turn off the device when all interfaces are down.
4257 *
4258 * However, devices may have a hard RFkill line, in which case they
4259 * also need to interact with the rfkill subsystem, via cfg80211.
4260 * They can do this with a few helper functions documented here.
4261 */
4262
4263/**
Johannes Berg1f87f7d2009-06-02 13:01:41 +02004264 * wiphy_rfkill_set_hw_state - notify cfg80211 about hw block state
4265 * @wiphy: the wiphy
4266 * @blocked: block status
4267 */
4268void wiphy_rfkill_set_hw_state(struct wiphy *wiphy, bool blocked);
4269
4270/**
4271 * wiphy_rfkill_start_polling - start polling rfkill
4272 * @wiphy: the wiphy
4273 */
4274void wiphy_rfkill_start_polling(struct wiphy *wiphy);
4275
4276/**
4277 * wiphy_rfkill_stop_polling - stop polling rfkill
4278 * @wiphy: the wiphy
4279 */
4280void wiphy_rfkill_stop_polling(struct wiphy *wiphy);
4281
Johannes Bergad7e7182013-11-13 13:37:47 +01004282/**
4283 * DOC: Vendor commands
4284 *
4285 * Occasionally, there are special protocol or firmware features that
4286 * can't be implemented very openly. For this and similar cases, the
4287 * vendor command functionality allows implementing the features with
4288 * (typically closed-source) userspace and firmware, using nl80211 as
4289 * the configuration mechanism.
4290 *
4291 * A driver supporting vendor commands must register them as an array
4292 * in struct wiphy, with handlers for each one, each command has an
4293 * OUI and sub command ID to identify it.
4294 *
4295 * Note that this feature should not be (ab)used to implement protocol
4296 * features that could openly be shared across drivers. In particular,
4297 * it must never be required to use vendor commands to implement any
4298 * "normal" functionality that higher-level userspace like connection
4299 * managers etc. need.
4300 */
4301
4302struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
4303 enum nl80211_commands cmd,
4304 enum nl80211_attrs attr,
4305 int approxlen);
4306
Johannes Berg567ffc32013-12-18 14:43:31 +01004307struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
Ahmad Kholaif6c09e792015-02-26 15:26:53 +02004308 struct wireless_dev *wdev,
Johannes Berg567ffc32013-12-18 14:43:31 +01004309 enum nl80211_commands cmd,
4310 enum nl80211_attrs attr,
4311 int vendor_event_idx,
4312 int approxlen, gfp_t gfp);
4313
4314void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp);
4315
Johannes Bergad7e7182013-11-13 13:37:47 +01004316/**
4317 * cfg80211_vendor_cmd_alloc_reply_skb - allocate vendor command reply
4318 * @wiphy: the wiphy
4319 * @approxlen: an upper bound of the length of the data that will
4320 * be put into the skb
4321 *
4322 * This function allocates and pre-fills an skb for a reply to
4323 * a vendor command. Since it is intended for a reply, calling
4324 * it outside of a vendor command's doit() operation is invalid.
4325 *
4326 * The returned skb is pre-filled with some identifying data in
4327 * a way that any data that is put into the skb (with skb_put(),
4328 * nla_put() or similar) will end up being within the
4329 * %NL80211_ATTR_VENDOR_DATA attribute, so all that needs to be done
4330 * with the skb is adding data for the corresponding userspace tool
4331 * which can then read that data out of the vendor data attribute.
4332 * You must not modify the skb in any other way.
4333 *
4334 * When done, call cfg80211_vendor_cmd_reply() with the skb and return
4335 * its error code as the result of the doit() operation.
4336 *
4337 * Return: An allocated and pre-filled skb. %NULL if any errors happen.
4338 */
4339static inline struct sk_buff *
4340cfg80211_vendor_cmd_alloc_reply_skb(struct wiphy *wiphy, int approxlen)
4341{
4342 return __cfg80211_alloc_reply_skb(wiphy, NL80211_CMD_VENDOR,
4343 NL80211_ATTR_VENDOR_DATA, approxlen);
4344}
4345
4346/**
4347 * cfg80211_vendor_cmd_reply - send the reply skb
4348 * @skb: The skb, must have been allocated with
4349 * cfg80211_vendor_cmd_alloc_reply_skb()
4350 *
4351 * Since calling this function will usually be the last thing
4352 * before returning from the vendor command doit() you should
4353 * return the error code. Note that this function consumes the
4354 * skb regardless of the return value.
4355 *
4356 * Return: An error code or 0 on success.
4357 */
4358int cfg80211_vendor_cmd_reply(struct sk_buff *skb);
4359
Johannes Berg567ffc32013-12-18 14:43:31 +01004360/**
4361 * cfg80211_vendor_event_alloc - allocate vendor-specific event skb
4362 * @wiphy: the wiphy
Ahmad Kholaif6c09e792015-02-26 15:26:53 +02004363 * @wdev: the wireless device
Johannes Berg567ffc32013-12-18 14:43:31 +01004364 * @event_idx: index of the vendor event in the wiphy's vendor_events
4365 * @approxlen: an upper bound of the length of the data that will
4366 * be put into the skb
4367 * @gfp: allocation flags
4368 *
4369 * This function allocates and pre-fills an skb for an event on the
4370 * vendor-specific multicast group.
4371 *
Ahmad Kholaif6c09e792015-02-26 15:26:53 +02004372 * If wdev != NULL, both the ifindex and identifier of the specified
4373 * wireless device are added to the event message before the vendor data
4374 * attribute.
4375 *
Johannes Berg567ffc32013-12-18 14:43:31 +01004376 * When done filling the skb, call cfg80211_vendor_event() with the
4377 * skb to send the event.
4378 *
4379 * Return: An allocated and pre-filled skb. %NULL if any errors happen.
4380 */
4381static inline struct sk_buff *
Ahmad Kholaif6c09e792015-02-26 15:26:53 +02004382cfg80211_vendor_event_alloc(struct wiphy *wiphy, struct wireless_dev *wdev,
4383 int approxlen, int event_idx, gfp_t gfp)
Johannes Berg567ffc32013-12-18 14:43:31 +01004384{
Ahmad Kholaif6c09e792015-02-26 15:26:53 +02004385 return __cfg80211_alloc_event_skb(wiphy, wdev, NL80211_CMD_VENDOR,
Johannes Berg567ffc32013-12-18 14:43:31 +01004386 NL80211_ATTR_VENDOR_DATA,
4387 event_idx, approxlen, gfp);
4388}
4389
4390/**
4391 * cfg80211_vendor_event - send the event
4392 * @skb: The skb, must have been allocated with cfg80211_vendor_event_alloc()
4393 * @gfp: allocation flags
4394 *
4395 * This function sends the given @skb, which must have been allocated
4396 * by cfg80211_vendor_event_alloc(), as an event. It always consumes it.
4397 */
4398static inline void cfg80211_vendor_event(struct sk_buff *skb, gfp_t gfp)
4399{
4400 __cfg80211_send_event_skb(skb, gfp);
4401}
4402
Johannes Bergaff89a92009-07-01 21:26:51 +02004403#ifdef CONFIG_NL80211_TESTMODE
4404/**
Johannes Bergd70e9692010-08-19 16:11:27 +02004405 * DOC: Test mode
4406 *
4407 * Test mode is a set of utility functions to allow drivers to
4408 * interact with driver-specific tools to aid, for instance,
4409 * factory programming.
4410 *
4411 * This chapter describes how drivers interact with it, for more
4412 * information see the nl80211 book's chapter on it.
4413 */
4414
4415/**
Johannes Bergaff89a92009-07-01 21:26:51 +02004416 * cfg80211_testmode_alloc_reply_skb - allocate testmode reply
4417 * @wiphy: the wiphy
4418 * @approxlen: an upper bound of the length of the data that will
4419 * be put into the skb
4420 *
4421 * This function allocates and pre-fills an skb for a reply to
4422 * the testmode command. Since it is intended for a reply, calling
4423 * it outside of the @testmode_cmd operation is invalid.
4424 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004425 * The returned skb is pre-filled with the wiphy index and set up in
4426 * a way that any data that is put into the skb (with skb_put(),
4427 * nla_put() or similar) will end up being within the
4428 * %NL80211_ATTR_TESTDATA attribute, so all that needs to be done
4429 * with the skb is adding data for the corresponding userspace tool
4430 * which can then read that data out of the testdata attribute. You
4431 * must not modify the skb in any other way.
Johannes Bergaff89a92009-07-01 21:26:51 +02004432 *
4433 * When done, call cfg80211_testmode_reply() with the skb and return
4434 * its error code as the result of the @testmode_cmd operation.
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004435 *
4436 * Return: An allocated and pre-filled skb. %NULL if any errors happen.
Johannes Bergaff89a92009-07-01 21:26:51 +02004437 */
Johannes Bergad7e7182013-11-13 13:37:47 +01004438static inline struct sk_buff *
4439cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, int approxlen)
4440{
4441 return __cfg80211_alloc_reply_skb(wiphy, NL80211_CMD_TESTMODE,
4442 NL80211_ATTR_TESTDATA, approxlen);
4443}
Johannes Bergaff89a92009-07-01 21:26:51 +02004444
4445/**
4446 * cfg80211_testmode_reply - send the reply skb
4447 * @skb: The skb, must have been allocated with
4448 * cfg80211_testmode_alloc_reply_skb()
4449 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004450 * Since calling this function will usually be the last thing
4451 * before returning from the @testmode_cmd you should return
4452 * the error code. Note that this function consumes the skb
4453 * regardless of the return value.
4454 *
4455 * Return: An error code or 0 on success.
Johannes Bergaff89a92009-07-01 21:26:51 +02004456 */
Johannes Bergad7e7182013-11-13 13:37:47 +01004457static inline int cfg80211_testmode_reply(struct sk_buff *skb)
4458{
4459 return cfg80211_vendor_cmd_reply(skb);
4460}
Johannes Bergaff89a92009-07-01 21:26:51 +02004461
4462/**
4463 * cfg80211_testmode_alloc_event_skb - allocate testmode event
4464 * @wiphy: the wiphy
4465 * @approxlen: an upper bound of the length of the data that will
4466 * be put into the skb
4467 * @gfp: allocation flags
4468 *
4469 * This function allocates and pre-fills an skb for an event on the
4470 * testmode multicast group.
4471 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004472 * The returned skb is set up in the same way as with
4473 * cfg80211_testmode_alloc_reply_skb() but prepared for an event. As
4474 * there, you should simply add data to it that will then end up in the
4475 * %NL80211_ATTR_TESTDATA attribute. Again, you must not modify the skb
4476 * in any other way.
Johannes Bergaff89a92009-07-01 21:26:51 +02004477 *
4478 * When done filling the skb, call cfg80211_testmode_event() with the
4479 * skb to send the event.
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004480 *
4481 * Return: An allocated and pre-filled skb. %NULL if any errors happen.
Johannes Bergaff89a92009-07-01 21:26:51 +02004482 */
Johannes Berg567ffc32013-12-18 14:43:31 +01004483static inline struct sk_buff *
4484cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, int approxlen, gfp_t gfp)
4485{
Ahmad Kholaif6c09e792015-02-26 15:26:53 +02004486 return __cfg80211_alloc_event_skb(wiphy, NULL, NL80211_CMD_TESTMODE,
Johannes Berg567ffc32013-12-18 14:43:31 +01004487 NL80211_ATTR_TESTDATA, -1,
4488 approxlen, gfp);
4489}
Johannes Bergaff89a92009-07-01 21:26:51 +02004490
4491/**
4492 * cfg80211_testmode_event - send the event
4493 * @skb: The skb, must have been allocated with
4494 * cfg80211_testmode_alloc_event_skb()
4495 * @gfp: allocation flags
4496 *
4497 * This function sends the given @skb, which must have been allocated
4498 * by cfg80211_testmode_alloc_event_skb(), as an event. It always
4499 * consumes it.
4500 */
Johannes Berg567ffc32013-12-18 14:43:31 +01004501static inline void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
4502{
4503 __cfg80211_send_event_skb(skb, gfp);
4504}
Johannes Bergaff89a92009-07-01 21:26:51 +02004505
4506#define CFG80211_TESTMODE_CMD(cmd) .testmode_cmd = (cmd),
Wey-Yi Guy71063f02011-05-20 09:05:54 -07004507#define CFG80211_TESTMODE_DUMP(cmd) .testmode_dump = (cmd),
Johannes Bergaff89a92009-07-01 21:26:51 +02004508#else
4509#define CFG80211_TESTMODE_CMD(cmd)
Wey-Yi Guy71063f02011-05-20 09:05:54 -07004510#define CFG80211_TESTMODE_DUMP(cmd)
Johannes Bergaff89a92009-07-01 21:26:51 +02004511#endif
4512
Samuel Ortizb23aa672009-07-01 21:26:54 +02004513/**
4514 * cfg80211_connect_result - notify cfg80211 of connection result
4515 *
4516 * @dev: network device
4517 * @bssid: the BSSID of the AP
4518 * @req_ie: association request IEs (maybe be %NULL)
4519 * @req_ie_len: association request IEs length
4520 * @resp_ie: association response IEs (may be %NULL)
4521 * @resp_ie_len: assoc response IEs length
4522 * @status: status code, 0 for successful connection, use
4523 * %WLAN_STATUS_UNSPECIFIED_FAILURE if your device cannot give you
4524 * the real status code for failures.
4525 * @gfp: allocation flags
4526 *
4527 * It should be called by the underlying driver whenever connect() has
4528 * succeeded.
4529 */
4530void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
4531 const u8 *req_ie, size_t req_ie_len,
4532 const u8 *resp_ie, size_t resp_ie_len,
4533 u16 status, gfp_t gfp);
4534
4535/**
4536 * cfg80211_roamed - notify cfg80211 of roaming
4537 *
4538 * @dev: network device
Jouni Malinened9d0102011-05-16 19:40:15 +03004539 * @channel: the channel of the new AP
Samuel Ortizb23aa672009-07-01 21:26:54 +02004540 * @bssid: the BSSID of the new AP
4541 * @req_ie: association request IEs (maybe be %NULL)
4542 * @req_ie_len: association request IEs length
4543 * @resp_ie: association response IEs (may be %NULL)
4544 * @resp_ie_len: assoc response IEs length
4545 * @gfp: allocation flags
4546 *
4547 * It should be called by the underlying driver whenever it roamed
4548 * from one AP to another while connected.
4549 */
Jouni Malinened9d0102011-05-16 19:40:15 +03004550void cfg80211_roamed(struct net_device *dev,
4551 struct ieee80211_channel *channel,
4552 const u8 *bssid,
Samuel Ortizb23aa672009-07-01 21:26:54 +02004553 const u8 *req_ie, size_t req_ie_len,
4554 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp);
4555
4556/**
Vasanthakumar Thiagarajanadbde342011-12-08 14:28:47 +05304557 * cfg80211_roamed_bss - notify cfg80211 of roaming
4558 *
4559 * @dev: network device
4560 * @bss: entry of bss to which STA got roamed
4561 * @req_ie: association request IEs (maybe be %NULL)
4562 * @req_ie_len: association request IEs length
4563 * @resp_ie: association response IEs (may be %NULL)
4564 * @resp_ie_len: assoc response IEs length
4565 * @gfp: allocation flags
4566 *
4567 * This is just a wrapper to notify cfg80211 of roaming event with driver
4568 * passing bss to avoid a race in timeout of the bss entry. It should be
4569 * called by the underlying driver whenever it roamed from one AP to another
4570 * while connected. Drivers which have roaming implemented in firmware
4571 * may use this function to avoid a race in bss entry timeout where the bss
4572 * entry of the new AP is seen in the driver, but gets timed out by the time
4573 * it is accessed in __cfg80211_roamed() due to delay in scheduling
4574 * rdev->event_work. In case of any failures, the reference is released
4575 * either in cfg80211_roamed_bss() or in __cfg80211_romed(), Otherwise,
4576 * it will be released while diconneting from the current bss.
4577 */
4578void cfg80211_roamed_bss(struct net_device *dev, struct cfg80211_bss *bss,
4579 const u8 *req_ie, size_t req_ie_len,
4580 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp);
4581
4582/**
Samuel Ortizb23aa672009-07-01 21:26:54 +02004583 * cfg80211_disconnected - notify cfg80211 that connection was dropped
4584 *
4585 * @dev: network device
4586 * @ie: information elements of the deauth/disassoc frame (may be %NULL)
4587 * @ie_len: length of IEs
4588 * @reason: reason code for the disconnection, set it to 0 if unknown
Johannes Berg80279fb2015-05-22 16:22:20 +02004589 * @locally_generated: disconnection was requested locally
Samuel Ortizb23aa672009-07-01 21:26:54 +02004590 * @gfp: allocation flags
4591 *
4592 * After it calls this function, the driver should enter an idle state
4593 * and not try to connect to any AP any more.
4594 */
4595void cfg80211_disconnected(struct net_device *dev, u16 reason,
Johannes Berg80279fb2015-05-22 16:22:20 +02004596 const u8 *ie, size_t ie_len,
4597 bool locally_generated, gfp_t gfp);
Samuel Ortizb23aa672009-07-01 21:26:54 +02004598
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004599/**
4600 * cfg80211_ready_on_channel - notification of remain_on_channel start
Johannes Berg71bbc992012-06-15 15:30:18 +02004601 * @wdev: wireless device
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004602 * @cookie: the request cookie
4603 * @chan: The current channel (from remain_on_channel request)
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004604 * @duration: Duration in milliseconds that the driver intents to remain on the
4605 * channel
4606 * @gfp: allocation flags
4607 */
Johannes Berg71bbc992012-06-15 15:30:18 +02004608void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004609 struct ieee80211_channel *chan,
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004610 unsigned int duration, gfp_t gfp);
4611
4612/**
4613 * cfg80211_remain_on_channel_expired - remain_on_channel duration expired
Johannes Berg71bbc992012-06-15 15:30:18 +02004614 * @wdev: wireless device
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004615 * @cookie: the request cookie
4616 * @chan: The current channel (from remain_on_channel request)
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004617 * @gfp: allocation flags
4618 */
Johannes Berg71bbc992012-06-15 15:30:18 +02004619void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004620 struct ieee80211_channel *chan,
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004621 gfp_t gfp);
Samuel Ortizb23aa672009-07-01 21:26:54 +02004622
Johannes Berg98b62182009-12-23 13:15:44 +01004623
4624/**
4625 * cfg80211_new_sta - notify userspace about station
4626 *
4627 * @dev: the netdev
4628 * @mac_addr: the station's address
4629 * @sinfo: the station information
4630 * @gfp: allocation flags
4631 */
4632void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
4633 struct station_info *sinfo, gfp_t gfp);
4634
Jouni Malinen026331c2010-02-15 12:53:10 +02004635/**
Johannes Bergcf5ead82014-11-14 17:14:00 +01004636 * cfg80211_del_sta_sinfo - notify userspace about deletion of a station
4637 * @dev: the netdev
4638 * @mac_addr: the station's address
4639 * @sinfo: the station information/statistics
4640 * @gfp: allocation flags
4641 */
4642void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
4643 struct station_info *sinfo, gfp_t gfp);
4644
4645/**
Jouni Malinenec15e682011-03-23 15:29:52 +02004646 * cfg80211_del_sta - notify userspace about deletion of a station
4647 *
4648 * @dev: the netdev
4649 * @mac_addr: the station's address
4650 * @gfp: allocation flags
4651 */
Johannes Bergcf5ead82014-11-14 17:14:00 +01004652static inline void cfg80211_del_sta(struct net_device *dev,
4653 const u8 *mac_addr, gfp_t gfp)
4654{
4655 cfg80211_del_sta_sinfo(dev, mac_addr, NULL, gfp);
4656}
Jouni Malinenec15e682011-03-23 15:29:52 +02004657
4658/**
Pandiyarajan Pitchaimuthued44a952012-09-18 16:50:49 +05304659 * cfg80211_conn_failed - connection request failed notification
4660 *
4661 * @dev: the netdev
4662 * @mac_addr: the station's address
4663 * @reason: the reason for connection failure
4664 * @gfp: allocation flags
4665 *
4666 * Whenever a station tries to connect to an AP and if the station
4667 * could not connect to the AP as the AP has rejected the connection
4668 * for some reasons, this function is called.
4669 *
4670 * The reason for connection failure can be any of the value from
4671 * nl80211_connect_failed_reason enum
4672 */
4673void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
4674 enum nl80211_connect_failed_reason reason,
4675 gfp_t gfp);
4676
4677/**
Johannes Berg2e161f72010-08-12 15:38:38 +02004678 * cfg80211_rx_mgmt - notification of received, unprocessed management frame
Johannes Berg71bbc992012-06-15 15:30:18 +02004679 * @wdev: wireless device receiving the frame
Jouni Malinen026331c2010-02-15 12:53:10 +02004680 * @freq: Frequency on which the frame was received in MHz
Johannes Berg804483e2012-03-05 22:18:41 +01004681 * @sig_dbm: signal strength in mBm, or 0 if unknown
Johannes Berg2e161f72010-08-12 15:38:38 +02004682 * @buf: Management frame (header + body)
Jouni Malinen026331c2010-02-15 12:53:10 +02004683 * @len: length of the frame data
Vladimir Kondratiev19504cf2013-08-15 14:51:28 +03004684 * @flags: flags, as defined in enum nl80211_rxmgmt_flags
Johannes Berg2e161f72010-08-12 15:38:38 +02004685 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004686 * This function is called whenever an Action frame is received for a station
4687 * mode interface, but is not processed in kernel.
4688 *
4689 * Return: %true if a user space application has registered for this frame.
Johannes Berg2e161f72010-08-12 15:38:38 +02004690 * For action frames, that makes it responsible for rejecting unrecognized
4691 * action frames; %false otherwise, in which case for action frames the
4692 * driver is responsible for rejecting the frame.
Jouni Malinen026331c2010-02-15 12:53:10 +02004693 */
Johannes Berg71bbc992012-06-15 15:30:18 +02004694bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_dbm,
Vladimir Kondratiev970fdfa2014-08-11 03:29:57 -07004695 const u8 *buf, size_t len, u32 flags);
Jouni Malinen026331c2010-02-15 12:53:10 +02004696
4697/**
Johannes Berg2e161f72010-08-12 15:38:38 +02004698 * cfg80211_mgmt_tx_status - notification of TX status for management frame
Johannes Berg71bbc992012-06-15 15:30:18 +02004699 * @wdev: wireless device receiving the frame
Johannes Berg2e161f72010-08-12 15:38:38 +02004700 * @cookie: Cookie returned by cfg80211_ops::mgmt_tx()
4701 * @buf: Management frame (header + body)
Jouni Malinen026331c2010-02-15 12:53:10 +02004702 * @len: length of the frame data
4703 * @ack: Whether frame was acknowledged
4704 * @gfp: context flags
4705 *
Johannes Berg2e161f72010-08-12 15:38:38 +02004706 * This function is called whenever a management frame was requested to be
4707 * transmitted with cfg80211_ops::mgmt_tx() to report the TX status of the
Jouni Malinen026331c2010-02-15 12:53:10 +02004708 * transmission attempt.
4709 */
Johannes Berg71bbc992012-06-15 15:30:18 +02004710void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
Johannes Berg2e161f72010-08-12 15:38:38 +02004711 const u8 *buf, size_t len, bool ack, gfp_t gfp);
Jouni Malinen026331c2010-02-15 12:53:10 +02004712
Juuso Oikarinend6dc1a32010-03-23 09:02:33 +02004713
4714/**
4715 * cfg80211_cqm_rssi_notify - connection quality monitoring rssi event
4716 * @dev: network device
4717 * @rssi_event: the triggered RSSI event
4718 * @gfp: context flags
4719 *
4720 * This function is called when a configured connection quality monitoring
4721 * rssi threshold reached event occurs.
4722 */
4723void cfg80211_cqm_rssi_notify(struct net_device *dev,
4724 enum nl80211_cqm_rssi_threshold_event rssi_event,
4725 gfp_t gfp);
4726
Johannes Bergc063dbf2010-11-24 08:10:05 +01004727/**
4728 * cfg80211_cqm_pktloss_notify - notify userspace about packetloss to peer
4729 * @dev: network device
4730 * @peer: peer's MAC address
4731 * @num_packets: how many packets were lost -- should be a fixed threshold
4732 * but probably no less than maybe 50, or maybe a throughput dependent
4733 * threshold (to account for temporary interference)
4734 * @gfp: context flags
4735 */
4736void cfg80211_cqm_pktloss_notify(struct net_device *dev,
4737 const u8 *peer, u32 num_packets, gfp_t gfp);
4738
Johannes Berge5497d72011-07-05 16:35:40 +02004739/**
Thomas Pedersen84f10702012-07-12 16:17:33 -07004740 * cfg80211_cqm_txe_notify - TX error rate event
4741 * @dev: network device
4742 * @peer: peer's MAC address
4743 * @num_packets: how many packets were lost
4744 * @rate: % of packets which failed transmission
4745 * @intvl: interval (in s) over which the TX failure threshold was breached.
4746 * @gfp: context flags
4747 *
4748 * Notify userspace when configured % TX failures over number of packets in a
4749 * given interval is exceeded.
4750 */
4751void cfg80211_cqm_txe_notify(struct net_device *dev, const u8 *peer,
4752 u32 num_packets, u32 rate, u32 intvl, gfp_t gfp);
4753
4754/**
Johannes Berg98f03342014-11-26 12:42:02 +01004755 * cfg80211_cqm_beacon_loss_notify - beacon loss event
4756 * @dev: network device
4757 * @gfp: context flags
4758 *
4759 * Notify userspace about beacon loss from the connected AP.
4760 */
4761void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp);
4762
4763/**
Johannes Berg5b97f492014-11-26 12:37:43 +01004764 * cfg80211_radar_event - radar detection event
4765 * @wiphy: the wiphy
4766 * @chandef: chandef for the current channel
4767 * @gfp: context flags
4768 *
4769 * This function is called when a radar is detected on the current chanenl.
4770 */
4771void cfg80211_radar_event(struct wiphy *wiphy,
4772 struct cfg80211_chan_def *chandef, gfp_t gfp);
4773
4774/**
4775 * cfg80211_cac_event - Channel availability check (CAC) event
4776 * @netdev: network device
4777 * @chandef: chandef for the current channel
4778 * @event: type of event
4779 * @gfp: context flags
4780 *
4781 * This function is called when a Channel availability check (CAC) is finished
4782 * or aborted. This must be called to notify the completion of a CAC process,
4783 * also by full-MAC drivers.
4784 */
4785void cfg80211_cac_event(struct net_device *netdev,
4786 const struct cfg80211_chan_def *chandef,
4787 enum nl80211_radar_event event, gfp_t gfp);
4788
4789
4790/**
Johannes Berge5497d72011-07-05 16:35:40 +02004791 * cfg80211_gtk_rekey_notify - notify userspace about driver rekeying
4792 * @dev: network device
4793 * @bssid: BSSID of AP (to avoid races)
4794 * @replay_ctr: new replay counter
Johannes Bergaf71ff82011-07-09 14:48:30 +02004795 * @gfp: allocation flags
Johannes Berge5497d72011-07-05 16:35:40 +02004796 */
4797void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
4798 const u8 *replay_ctr, gfp_t gfp);
4799
Jouni Malinenc9df56b2011-09-16 18:56:23 +03004800/**
4801 * cfg80211_pmksa_candidate_notify - notify about PMKSA caching candidate
4802 * @dev: network device
4803 * @index: candidate index (the smaller the index, the higher the priority)
4804 * @bssid: BSSID of AP
4805 * @preauth: Whether AP advertises support for RSN pre-authentication
4806 * @gfp: allocation flags
4807 */
4808void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
4809 const u8 *bssid, bool preauth, gfp_t gfp);
4810
Johannes Berg28946da2011-11-04 11:18:12 +01004811/**
4812 * cfg80211_rx_spurious_frame - inform userspace about a spurious frame
4813 * @dev: The device the frame matched to
4814 * @addr: the transmitter address
4815 * @gfp: context flags
4816 *
4817 * This function is used in AP mode (only!) to inform userspace that
4818 * a spurious class 3 frame was received, to be able to deauth the
4819 * sender.
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004820 * Return: %true if the frame was passed to userspace (or this failed
Johannes Berg28946da2011-11-04 11:18:12 +01004821 * for a reason other than not having a subscription.)
4822 */
4823bool cfg80211_rx_spurious_frame(struct net_device *dev,
4824 const u8 *addr, gfp_t gfp);
4825
Johannes Berg7f6cf312011-11-04 11:18:15 +01004826/**
Johannes Bergb92ab5d2011-11-04 11:18:19 +01004827 * cfg80211_rx_unexpected_4addr_frame - inform about unexpected WDS frame
4828 * @dev: The device the frame matched to
4829 * @addr: the transmitter address
4830 * @gfp: context flags
4831 *
4832 * This function is used in AP mode (only!) to inform userspace that
4833 * an associated station sent a 4addr frame but that wasn't expected.
4834 * It is allowed and desirable to send this event only once for each
4835 * station to avoid event flooding.
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004836 * Return: %true if the frame was passed to userspace (or this failed
Johannes Bergb92ab5d2011-11-04 11:18:19 +01004837 * for a reason other than not having a subscription.)
4838 */
4839bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
4840 const u8 *addr, gfp_t gfp);
4841
4842/**
Johannes Berg7f6cf312011-11-04 11:18:15 +01004843 * cfg80211_probe_status - notify userspace about probe status
4844 * @dev: the device the probe was sent on
4845 * @addr: the address of the peer
4846 * @cookie: the cookie filled in @probe_client previously
4847 * @acked: indicates whether probe was acked or not
4848 * @gfp: allocation flags
4849 */
4850void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
4851 u64 cookie, bool acked, gfp_t gfp);
4852
Johannes Berg5e760232011-11-04 11:18:17 +01004853/**
4854 * cfg80211_report_obss_beacon - report beacon from other APs
4855 * @wiphy: The wiphy that received the beacon
4856 * @frame: the frame
4857 * @len: length of the frame
4858 * @freq: frequency the frame was received on
Johannes Berg804483e2012-03-05 22:18:41 +01004859 * @sig_dbm: signal strength in mBm, or 0 if unknown
Johannes Berg5e760232011-11-04 11:18:17 +01004860 *
4861 * Use this function to report to userspace when a beacon was
4862 * received. It is not useful to call this when there is no
4863 * netdev that is in AP/GO mode.
4864 */
4865void cfg80211_report_obss_beacon(struct wiphy *wiphy,
4866 const u8 *frame, size_t len,
Ben Greear37c73b52012-10-26 14:49:25 -07004867 int freq, int sig_dbm);
Johannes Berg5e760232011-11-04 11:18:17 +01004868
Johannes Bergd58e7e32012-05-16 23:50:17 +02004869/**
Johannes Berg683b6d32012-11-08 21:25:48 +01004870 * cfg80211_reg_can_beacon - check if beaconing is allowed
Alexander Simon54858ee5b2011-11-30 16:56:32 +01004871 * @wiphy: the wiphy
Johannes Berg683b6d32012-11-08 21:25:48 +01004872 * @chandef: the channel definition
Ilan Peer174e0cd2014-02-23 09:13:01 +02004873 * @iftype: interface type
Johannes Bergd58e7e32012-05-16 23:50:17 +02004874 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004875 * Return: %true if there is no secondary channel or the secondary channel(s)
4876 * can be used for beaconing (i.e. is not a radar channel etc.)
Alexander Simon54858ee5b2011-11-30 16:56:32 +01004877 */
Johannes Berg683b6d32012-11-08 21:25:48 +01004878bool cfg80211_reg_can_beacon(struct wiphy *wiphy,
Ilan Peer174e0cd2014-02-23 09:13:01 +02004879 struct cfg80211_chan_def *chandef,
4880 enum nl80211_iftype iftype);
Alexander Simon54858ee5b2011-11-30 16:56:32 +01004881
Arik Nemtsov923b3522015-07-08 15:41:44 +03004882/**
4883 * cfg80211_reg_can_beacon_relax - check if beaconing is allowed with relaxation
4884 * @wiphy: the wiphy
4885 * @chandef: the channel definition
4886 * @iftype: interface type
4887 *
4888 * Return: %true if there is no secondary channel or the secondary channel(s)
4889 * can be used for beaconing (i.e. is not a radar channel etc.). This version
4890 * also checks if IR-relaxation conditions apply, to allow beaconing under
4891 * more permissive conditions.
4892 *
4893 * Requires the RTNL to be held.
4894 */
4895bool cfg80211_reg_can_beacon_relax(struct wiphy *wiphy,
4896 struct cfg80211_chan_def *chandef,
4897 enum nl80211_iftype iftype);
4898
Thomas Pedersen8097e142012-03-05 15:31:47 -08004899/*
Thomas Pedersen53145262012-04-06 13:35:47 -07004900 * cfg80211_ch_switch_notify - update wdev channel and notify userspace
4901 * @dev: the device which switched channels
Johannes Berg683b6d32012-11-08 21:25:48 +01004902 * @chandef: the new channel definition
Thomas Pedersen53145262012-04-06 13:35:47 -07004903 *
Simon Wunderliche487eae2013-11-21 18:19:51 +01004904 * Caller must acquire wdev_lock, therefore must only be called from sleepable
4905 * driver context!
Thomas Pedersen53145262012-04-06 13:35:47 -07004906 */
Johannes Berg683b6d32012-11-08 21:25:48 +01004907void cfg80211_ch_switch_notify(struct net_device *dev,
4908 struct cfg80211_chan_def *chandef);
Thomas Pedersen53145262012-04-06 13:35:47 -07004909
Luciano Coelhof8d75522014-11-07 14:31:35 +02004910/*
4911 * cfg80211_ch_switch_started_notify - notify channel switch start
4912 * @dev: the device on which the channel switch started
4913 * @chandef: the future channel definition
4914 * @count: the number of TBTTs until the channel switch happens
4915 *
4916 * Inform the userspace about the channel switch that has just
4917 * started, so that it can take appropriate actions (eg. starting
4918 * channel switch on other vifs), if necessary.
4919 */
4920void cfg80211_ch_switch_started_notify(struct net_device *dev,
4921 struct cfg80211_chan_def *chandef,
4922 u8 count);
4923
Johannes Berg1ce3e822012-08-01 17:00:55 +02004924/**
4925 * ieee80211_operating_class_to_band - convert operating class to band
4926 *
4927 * @operating_class: the operating class to convert
4928 * @band: band pointer to fill
4929 *
4930 * Returns %true if the conversion was successful, %false otherwise.
4931 */
4932bool ieee80211_operating_class_to_band(u8 operating_class,
4933 enum ieee80211_band *band);
4934
Arik Nemtsova38700d2015-03-18 08:46:08 +02004935/**
4936 * ieee80211_chandef_to_operating_class - convert chandef to operation class
4937 *
4938 * @chandef: the chandef to convert
4939 * @op_class: a pointer to the resulting operating class
4940 *
4941 * Returns %true if the conversion was successful, %false otherwise.
4942 */
4943bool ieee80211_chandef_to_operating_class(struct cfg80211_chan_def *chandef,
4944 u8 *op_class);
4945
Thomas Pedersen53145262012-04-06 13:35:47 -07004946/*
Jouni Malinen3475b092012-11-16 22:49:57 +02004947 * cfg80211_tdls_oper_request - request userspace to perform TDLS operation
4948 * @dev: the device on which the operation is requested
4949 * @peer: the MAC address of the peer device
4950 * @oper: the requested TDLS operation (NL80211_TDLS_SETUP or
4951 * NL80211_TDLS_TEARDOWN)
4952 * @reason_code: the reason code for teardown request
4953 * @gfp: allocation flags
4954 *
4955 * This function is used to request userspace to perform TDLS operation that
4956 * requires knowledge of keys, i.e., link setup or teardown when the AP
4957 * connection uses encryption. This is optional mechanism for the driver to use
4958 * if it can automatically determine when a TDLS link could be useful (e.g.,
4959 * based on traffic and signal strength for a peer).
4960 */
4961void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
4962 enum nl80211_tdls_operation oper,
4963 u16 reason_code, gfp_t gfp);
4964
4965/*
Thomas Pedersen8097e142012-03-05 15:31:47 -08004966 * cfg80211_calculate_bitrate - calculate actual bitrate (in 100Kbps units)
4967 * @rate: given rate_info to calculate bitrate from
4968 *
4969 * return 0 if MCS index >= 32
4970 */
Vladimir Kondratiev8eb41c82012-07-05 14:25:49 +03004971u32 cfg80211_calculate_bitrate(struct rate_info *rate);
Thomas Pedersen8097e142012-03-05 15:31:47 -08004972
Johannes Berg98104fde2012-06-16 00:19:54 +02004973/**
4974 * cfg80211_unregister_wdev - remove the given wdev
4975 * @wdev: struct wireless_dev to remove
4976 *
4977 * Call this function only for wdevs that have no netdev assigned,
4978 * e.g. P2P Devices. It removes the device from the list so that
4979 * it can no longer be used. It is necessary to call this function
4980 * even when cfg80211 requests the removal of the interface by
4981 * calling the del_virtual_intf() callback. The function must also
4982 * be called when the driver wishes to unregister the wdev, e.g.
4983 * when the device is unbound from the driver.
4984 *
4985 * Requires the RTNL to be held.
4986 */
4987void cfg80211_unregister_wdev(struct wireless_dev *wdev);
4988
Johannes Berg0ee45352012-10-29 19:48:40 +01004989/**
Jouni Malinen355199e2013-02-27 17:14:27 +02004990 * struct cfg80211_ft_event - FT Information Elements
4991 * @ies: FT IEs
4992 * @ies_len: length of the FT IE in bytes
4993 * @target_ap: target AP's MAC address
4994 * @ric_ies: RIC IE
4995 * @ric_ies_len: length of the RIC IE in bytes
4996 */
4997struct cfg80211_ft_event_params {
4998 const u8 *ies;
4999 size_t ies_len;
5000 const u8 *target_ap;
5001 const u8 *ric_ies;
5002 size_t ric_ies_len;
5003};
5004
5005/**
5006 * cfg80211_ft_event - notify userspace about FT IE and RIC IE
5007 * @netdev: network device
5008 * @ft_event: IE information
5009 */
5010void cfg80211_ft_event(struct net_device *netdev,
5011 struct cfg80211_ft_event_params *ft_event);
5012
5013/**
Johannes Berg0ee45352012-10-29 19:48:40 +01005014 * cfg80211_get_p2p_attr - find and copy a P2P attribute from IE buffer
5015 * @ies: the input IE buffer
5016 * @len: the input length
5017 * @attr: the attribute ID to find
5018 * @buf: output buffer, can be %NULL if the data isn't needed, e.g.
5019 * if the function is only called to get the needed buffer size
5020 * @bufsize: size of the output buffer
5021 *
5022 * The function finds a given P2P attribute in the (vendor) IEs and
5023 * copies its contents to the given buffer.
5024 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01005025 * Return: A negative error code (-%EILSEQ or -%ENOENT) if the data is
5026 * malformed or the attribute can't be found (respectively), or the
5027 * length of the found attribute (which can be zero).
Johannes Berg0ee45352012-10-29 19:48:40 +01005028 */
Arend van Sprielc216e642012-11-25 19:13:28 +01005029int cfg80211_get_p2p_attr(const u8 *ies, unsigned int len,
5030 enum ieee80211_p2p_attr_id attr,
5031 u8 *buf, unsigned int bufsize);
Johannes Berg0ee45352012-10-29 19:48:40 +01005032
Johannes Bergcd8f7cb2013-01-22 12:34:29 +01005033/**
Johannes Berg29464cc2015-03-31 15:36:22 +02005034 * ieee80211_ie_split_ric - split an IE buffer according to ordering (with RIC)
5035 * @ies: the IE buffer
5036 * @ielen: the length of the IE buffer
5037 * @ids: an array with element IDs that are allowed before
5038 * the split
5039 * @n_ids: the size of the element ID array
5040 * @after_ric: array IE types that come after the RIC element
5041 * @n_after_ric: size of the @after_ric array
5042 * @offset: offset where to start splitting in the buffer
5043 *
5044 * This function splits an IE buffer by updating the @offset
5045 * variable to point to the location where the buffer should be
5046 * split.
5047 *
5048 * It assumes that the given IE buffer is well-formed, this
5049 * has to be guaranteed by the caller!
5050 *
5051 * It also assumes that the IEs in the buffer are ordered
5052 * correctly, if not the result of using this function will not
5053 * be ordered correctly either, i.e. it does no reordering.
5054 *
5055 * The function returns the offset where the next part of the
5056 * buffer starts, which may be @ielen if the entire (remainder)
5057 * of the buffer should be used.
5058 */
5059size_t ieee80211_ie_split_ric(const u8 *ies, size_t ielen,
5060 const u8 *ids, int n_ids,
5061 const u8 *after_ric, int n_after_ric,
5062 size_t offset);
5063
5064/**
5065 * ieee80211_ie_split - split an IE buffer according to ordering
5066 * @ies: the IE buffer
5067 * @ielen: the length of the IE buffer
5068 * @ids: an array with element IDs that are allowed before
5069 * the split
5070 * @n_ids: the size of the element ID array
5071 * @offset: offset where to start splitting in the buffer
5072 *
5073 * This function splits an IE buffer by updating the @offset
5074 * variable to point to the location where the buffer should be
5075 * split.
5076 *
5077 * It assumes that the given IE buffer is well-formed, this
5078 * has to be guaranteed by the caller!
5079 *
5080 * It also assumes that the IEs in the buffer are ordered
5081 * correctly, if not the result of using this function will not
5082 * be ordered correctly either, i.e. it does no reordering.
5083 *
5084 * The function returns the offset where the next part of the
5085 * buffer starts, which may be @ielen if the entire (remainder)
5086 * of the buffer should be used.
5087 */
5088size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
5089 const u8 *ids, int n_ids, size_t offset);
5090
5091/**
Johannes Bergcd8f7cb2013-01-22 12:34:29 +01005092 * cfg80211_report_wowlan_wakeup - report wakeup from WoWLAN
5093 * @wdev: the wireless device reporting the wakeup
5094 * @wakeup: the wakeup report
5095 * @gfp: allocation flags
5096 *
5097 * This function reports that the given device woke up. If it
5098 * caused the wakeup, report the reason(s), otherwise you may
5099 * pass %NULL as the @wakeup parameter to advertise that something
5100 * else caused the wakeup.
5101 */
5102void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
5103 struct cfg80211_wowlan_wakeup *wakeup,
5104 gfp_t gfp);
5105
Arend van Spriel5de17982013-04-18 15:49:00 +02005106/**
5107 * cfg80211_crit_proto_stopped() - indicate critical protocol stopped by driver.
5108 *
5109 * @wdev: the wireless device for which critical protocol is stopped.
Robert P. J. Day03f831a2013-05-02 07:15:09 -04005110 * @gfp: allocation flags
Arend van Spriel5de17982013-04-18 15:49:00 +02005111 *
5112 * This function can be called by the driver to indicate it has reverted
5113 * operation back to normal. One reason could be that the duration given
5114 * by .crit_proto_start() has expired.
5115 */
5116void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp);
5117
Ilan Peerbdfbec22014-01-09 11:37:23 +02005118/**
5119 * ieee80211_get_num_supported_channels - get number of channels device has
5120 * @wiphy: the wiphy
5121 *
5122 * Return: the number of channels supported by the device.
5123 */
5124unsigned int ieee80211_get_num_supported_channels(struct wiphy *wiphy);
5125
Luciano Coelhocb2d9562014-02-17 16:52:35 +02005126/**
5127 * cfg80211_check_combinations - check interface combinations
5128 *
5129 * @wiphy: the wiphy
5130 * @num_different_channels: the number of different channels we want
5131 * to use for verification
5132 * @radar_detect: a bitmap where each bit corresponds to a channel
5133 * width where radar detection is needed, as in the definition of
5134 * &struct ieee80211_iface_combination.@radar_detect_widths
5135 * @iftype_num: array with the numbers of interfaces of each interface
5136 * type. The index is the interface type as specified in &enum
5137 * nl80211_iftype.
5138 *
5139 * This function can be called by the driver to check whether a
5140 * combination of interfaces and their types are allowed according to
5141 * the interface combinations.
5142 */
5143int cfg80211_check_combinations(struct wiphy *wiphy,
5144 const int num_different_channels,
5145 const u8 radar_detect,
5146 const int iftype_num[NUM_NL80211_IFTYPES]);
5147
Michal Kazior65a124d2014-04-09 15:29:22 +02005148/**
5149 * cfg80211_iter_combinations - iterate over matching combinations
5150 *
5151 * @wiphy: the wiphy
5152 * @num_different_channels: the number of different channels we want
5153 * to use for verification
5154 * @radar_detect: a bitmap where each bit corresponds to a channel
5155 * width where radar detection is needed, as in the definition of
5156 * &struct ieee80211_iface_combination.@radar_detect_widths
5157 * @iftype_num: array with the numbers of interfaces of each interface
5158 * type. The index is the interface type as specified in &enum
5159 * nl80211_iftype.
5160 * @iter: function to call for each matching combination
5161 * @data: pointer to pass to iter function
5162 *
5163 * This function can be called by the driver to check what possible
5164 * combinations it fits in at a given moment, e.g. for channel switching
5165 * purposes.
5166 */
5167int cfg80211_iter_combinations(struct wiphy *wiphy,
5168 const int num_different_channels,
5169 const u8 radar_detect,
5170 const int iftype_num[NUM_NL80211_IFTYPES],
5171 void (*iter)(const struct ieee80211_iface_combination *c,
5172 void *data),
5173 void *data);
5174
Michal Kaziorf04c2202014-04-09 15:11:01 +02005175/*
5176 * cfg80211_stop_iface - trigger interface disconnection
5177 *
5178 * @wiphy: the wiphy
5179 * @wdev: wireless device
5180 * @gfp: context flags
5181 *
5182 * Trigger interface to be stopped as if AP was stopped, IBSS/mesh left, STA
5183 * disconnected.
5184 *
5185 * Note: This doesn't need any locks and is asynchronous.
5186 */
5187void cfg80211_stop_iface(struct wiphy *wiphy, struct wireless_dev *wdev,
5188 gfp_t gfp);
5189
Johannes Bergf6837ba82014-04-30 14:19:04 +02005190/**
5191 * cfg80211_shutdown_all_interfaces - shut down all interfaces for a wiphy
5192 * @wiphy: the wiphy to shut down
5193 *
5194 * This function shuts down all interfaces belonging to this wiphy by
5195 * calling dev_close() (and treating non-netdev interfaces as needed).
5196 * It shouldn't really be used unless there are some fatal device errors
5197 * that really can't be recovered in any other way.
5198 *
5199 * Callers must hold the RTNL and be able to deal with callbacks into
5200 * the driver while the function is running.
5201 */
5202void cfg80211_shutdown_all_interfaces(struct wiphy *wiphy);
5203
Gautam Kumar Shuklad75bb062014-12-23 16:55:19 +01005204/**
5205 * wiphy_ext_feature_set - set the extended feature flag
5206 *
5207 * @wiphy: the wiphy to modify.
5208 * @ftidx: extended feature bit index.
5209 *
5210 * The extended features are flagged in multiple bytes (see
5211 * &struct wiphy.@ext_features)
5212 */
5213static inline void wiphy_ext_feature_set(struct wiphy *wiphy,
5214 enum nl80211_ext_feature_index ftidx)
5215{
5216 u8 *ft_byte;
5217
5218 ft_byte = &wiphy->ext_features[ftidx / 8];
5219 *ft_byte |= BIT(ftidx % 8);
5220}
5221
5222/**
5223 * wiphy_ext_feature_isset - check the extended feature flag
5224 *
5225 * @wiphy: the wiphy to modify.
5226 * @ftidx: extended feature bit index.
5227 *
5228 * The extended features are flagged in multiple bytes (see
5229 * &struct wiphy.@ext_features)
5230 */
5231static inline bool
5232wiphy_ext_feature_isset(struct wiphy *wiphy,
5233 enum nl80211_ext_feature_index ftidx)
5234{
5235 u8 ft_byte;
5236
5237 ft_byte = wiphy->ext_features[ftidx / 8];
5238 return (ft_byte & BIT(ftidx % 8)) != 0;
5239}
Johannes Bergb7ffbd72014-06-04 17:31:56 +02005240
5241/* ethtool helper */
5242void cfg80211_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info);
5243
Joe Perchese1db74f2010-07-26 14:39:57 -07005244/* Logging, debugging and troubleshooting/diagnostic helpers. */
5245
5246/* wiphy_printk helpers, similar to dev_printk */
5247
5248#define wiphy_printk(level, wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005249 dev_printk(level, &(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005250#define wiphy_emerg(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005251 dev_emerg(&(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005252#define wiphy_alert(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005253 dev_alert(&(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005254#define wiphy_crit(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005255 dev_crit(&(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005256#define wiphy_err(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005257 dev_err(&(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005258#define wiphy_warn(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005259 dev_warn(&(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005260#define wiphy_notice(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005261 dev_notice(&(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005262#define wiphy_info(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005263 dev_info(&(wiphy)->dev, format, ##args)
Joe Perches073730d2010-07-26 14:40:00 -07005264
Joe Perches9c376632010-08-20 15:13:59 -07005265#define wiphy_debug(wiphy, format, args...) \
Joe Perchese1db74f2010-07-26 14:39:57 -07005266 wiphy_printk(KERN_DEBUG, wiphy, format, ##args)
Joe Perches9c376632010-08-20 15:13:59 -07005267
Joe Perchese1db74f2010-07-26 14:39:57 -07005268#define wiphy_dbg(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005269 dev_dbg(&(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005270
5271#if defined(VERBOSE_DEBUG)
5272#define wiphy_vdbg wiphy_dbg
5273#else
Joe Perchese1db74f2010-07-26 14:39:57 -07005274#define wiphy_vdbg(wiphy, format, args...) \
5275({ \
5276 if (0) \
5277 wiphy_printk(KERN_DEBUG, wiphy, format, ##args); \
Joe Perches9c376632010-08-20 15:13:59 -07005278 0; \
Joe Perchese1db74f2010-07-26 14:39:57 -07005279})
5280#endif
5281
5282/*
5283 * wiphy_WARN() acts like wiphy_printk(), but with the key difference
5284 * of using a WARN/WARN_ON to get the message out, including the
5285 * file/line information and a backtrace.
5286 */
5287#define wiphy_WARN(wiphy, format, args...) \
5288 WARN(1, "wiphy: %s\n" format, wiphy_name(wiphy), ##args);
5289
Johannes Berg704232c2007-04-23 12:20:05 -07005290#endif /* __NET_CFG80211_H */