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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
Avraham Stern3b06d272015-10-12 09:51:34 +03008 * Copyright 2015 Intel Deutschland GmbH
Johannes Bergd3236552009-04-20 14:31:42 +02009 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
Johannes Berg704232c2007-04-23 12:20:05 -070014
Johannes Bergd3236552009-04-20 14:31:42 +020015#include <linux/netdevice.h>
16#include <linux/debugfs.h>
17#include <linux/list.h>
Paul Gortmaker187f1882011-11-23 20:12:59 -050018#include <linux/bug.h>
Johannes Berg704232c2007-04-23 12:20:05 -070019#include <linux/netlink.h>
20#include <linux/skbuff.h>
Johannes Berg55682962007-09-20 13:09:35 -040021#include <linux/nl80211.h>
Johannes Berg2a519312009-02-10 21:25:55 +010022#include <linux/if_ether.h>
23#include <linux/ieee80211.h>
Johannes Berg2a0e0472013-01-23 22:57:40 +010024#include <linux/net.h>
Johannes Bergd3236552009-04-20 14:31:42 +020025#include <net/regulatory.h>
26
Johannes Bergd70e9692010-08-19 16:11:27 +020027/**
28 * DOC: Introduction
29 *
30 * cfg80211 is the configuration API for 802.11 devices in Linux. It bridges
31 * userspace and drivers, and offers some utility functionality associated
32 * with 802.11. cfg80211 must, directly or indirectly via mac80211, be used
33 * by all modern wireless drivers in Linux, so that they offer a consistent
34 * API through nl80211. For backward compatibility, cfg80211 also offers
35 * wireless extensions to userspace, but hides them from drivers completely.
36 *
37 * Additionally, cfg80211 contains code to help enforce regulatory spectrum
38 * use restrictions.
39 */
40
41
42/**
43 * DOC: Device registration
44 *
45 * In order for a driver to use cfg80211, it must register the hardware device
46 * with cfg80211. This happens through a number of hardware capability structs
47 * described below.
48 *
49 * The fundamental structure for each device is the 'wiphy', of which each
50 * instance describes a physical wireless device connected to the system. Each
51 * such wiphy can have zero, one, or many virtual interfaces associated with
52 * it, which need to be identified as such by pointing the network interface's
53 * @ieee80211_ptr pointer to a &struct wireless_dev which further describes
54 * the wireless part of the interface, normally this struct is embedded in the
55 * network interface's private data area. Drivers can optionally allow creating
56 * or destroying virtual interfaces on the fly, but without at least one or the
57 * ability to create some the wireless device isn't useful.
58 *
59 * Each wiphy structure contains device capability information, and also has
60 * a pointer to the various operations the driver offers. The definitions and
61 * structures here describe these capabilities in detail.
62 */
63
Johannes Berg9f5e8f62012-11-22 16:59:45 +010064struct wiphy;
65
Johannes Berg704232c2007-04-23 12:20:05 -070066/*
Johannes Bergd3236552009-04-20 14:31:42 +020067 * wireless hardware capability structures
68 */
69
70/**
71 * enum ieee80211_band - supported frequency bands
Johannes Berg704232c2007-04-23 12:20:05 -070072 *
Johannes Bergd3236552009-04-20 14:31:42 +020073 * The bands are assigned this way because the supported
74 * bitrates differ in these bands.
75 *
76 * @IEEE80211_BAND_2GHZ: 2.4GHz ISM band
77 * @IEEE80211_BAND_5GHZ: around 5GHz band (4.9-5.7)
Vladimir Kondratiev3a0c52a2012-07-02 09:32:32 +030078 * @IEEE80211_BAND_60GHZ: around 60 GHz band (58.32 - 64.80 GHz)
Johannes Bergabe37c42010-06-07 11:12:27 +020079 * @IEEE80211_NUM_BANDS: number of defined bands
Johannes Bergd3236552009-04-20 14:31:42 +020080 */
81enum ieee80211_band {
Jouni Malinen13ae75b2009-12-29 12:59:45 +020082 IEEE80211_BAND_2GHZ = NL80211_BAND_2GHZ,
83 IEEE80211_BAND_5GHZ = NL80211_BAND_5GHZ,
Vladimir Kondratiev3a0c52a2012-07-02 09:32:32 +030084 IEEE80211_BAND_60GHZ = NL80211_BAND_60GHZ,
Johannes Bergd3236552009-04-20 14:31:42 +020085
86 /* keep last */
87 IEEE80211_NUM_BANDS
88};
89
90/**
91 * enum ieee80211_channel_flags - channel flags
92 *
93 * Channel flags set by the regulatory control code.
94 *
95 * @IEEE80211_CHAN_DISABLED: This channel is disabled.
Luis R. Rodriguez8fe02e12013-10-21 19:22:25 +020096 * @IEEE80211_CHAN_NO_IR: do not initiate radiation, this includes
97 * sending probe requests or beaconing.
Johannes Bergd3236552009-04-20 14:31:42 +020098 * @IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
Luis R. Rodriguez689da1b2009-05-02 00:37:18 -040099 * @IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
Johannes Bergd3236552009-04-20 14:31:42 +0200100 * is not permitted.
Luis R. Rodriguez689da1b2009-05-02 00:37:18 -0400101 * @IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel
Johannes Bergd3236552009-04-20 14:31:42 +0200102 * is not permitted.
Seth Forshee03f6b082012-08-01 15:58:42 -0500103 * @IEEE80211_CHAN_NO_OFDM: OFDM is not allowed on this channel.
Johannes Bergc7a6ee22012-12-12 17:50:39 +0100104 * @IEEE80211_CHAN_NO_80MHZ: If the driver supports 80 MHz on the band,
105 * this flag indicates that an 80 MHz channel cannot use this
106 * channel as the control or any of the secondary channels.
107 * This may be due to the driver or due to regulatory bandwidth
108 * restrictions.
109 * @IEEE80211_CHAN_NO_160MHZ: If the driver supports 160 MHz on the band,
110 * this flag indicates that an 160 MHz channel cannot use this
111 * channel as the control or any of the secondary channels.
112 * This may be due to the driver or due to regulatory bandwidth
113 * restrictions.
David Spinadel570dbde2014-02-23 09:12:59 +0200114 * @IEEE80211_CHAN_INDOOR_ONLY: see %NL80211_FREQUENCY_ATTR_INDOOR_ONLY
Arik Nemtsov06f207f2015-05-06 16:28:31 +0300115 * @IEEE80211_CHAN_IR_CONCURRENT: see %NL80211_FREQUENCY_ATTR_IR_CONCURRENT
Rostislav Lisovyea077c12014-04-15 14:37:55 +0200116 * @IEEE80211_CHAN_NO_20MHZ: 20 MHz bandwidth is not permitted
117 * on this channel.
118 * @IEEE80211_CHAN_NO_10MHZ: 10 MHz bandwidth is not permitted
119 * on this channel.
David Spinadel570dbde2014-02-23 09:12:59 +0200120 *
Johannes Bergd3236552009-04-20 14:31:42 +0200121 */
122enum ieee80211_channel_flags {
123 IEEE80211_CHAN_DISABLED = 1<<0,
Luis R. Rodriguez8fe02e12013-10-21 19:22:25 +0200124 IEEE80211_CHAN_NO_IR = 1<<1,
125 /* hole at 1<<2 */
Johannes Bergd3236552009-04-20 14:31:42 +0200126 IEEE80211_CHAN_RADAR = 1<<3,
Luis R. Rodriguez689da1b2009-05-02 00:37:18 -0400127 IEEE80211_CHAN_NO_HT40PLUS = 1<<4,
128 IEEE80211_CHAN_NO_HT40MINUS = 1<<5,
Seth Forshee03f6b082012-08-01 15:58:42 -0500129 IEEE80211_CHAN_NO_OFDM = 1<<6,
Johannes Bergc7a6ee22012-12-12 17:50:39 +0100130 IEEE80211_CHAN_NO_80MHZ = 1<<7,
131 IEEE80211_CHAN_NO_160MHZ = 1<<8,
David Spinadel570dbde2014-02-23 09:12:59 +0200132 IEEE80211_CHAN_INDOOR_ONLY = 1<<9,
Arik Nemtsov06f207f2015-05-06 16:28:31 +0300133 IEEE80211_CHAN_IR_CONCURRENT = 1<<10,
Rostislav Lisovyea077c12014-04-15 14:37:55 +0200134 IEEE80211_CHAN_NO_20MHZ = 1<<11,
135 IEEE80211_CHAN_NO_10MHZ = 1<<12,
Johannes Bergd3236552009-04-20 14:31:42 +0200136};
137
Luis R. Rodriguez038659e2009-05-02 00:37:17 -0400138#define IEEE80211_CHAN_NO_HT40 \
Luis R. Rodriguez689da1b2009-05-02 00:37:18 -0400139 (IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
Luis R. Rodriguez038659e2009-05-02 00:37:17 -0400140
Simon Wunderlich04f39042013-02-08 18:16:19 +0100141#define IEEE80211_DFS_MIN_CAC_TIME_MS 60000
142#define IEEE80211_DFS_MIN_NOP_TIME_MS (30 * 60 * 1000)
143
Johannes Bergd3236552009-04-20 14:31:42 +0200144/**
145 * struct ieee80211_channel - channel definition
146 *
147 * This structure describes a single channel for use
148 * with cfg80211.
149 *
150 * @center_freq: center frequency in MHz
Johannes Bergd3236552009-04-20 14:31:42 +0200151 * @hw_value: hardware-specific value for the channel
152 * @flags: channel flags from &enum ieee80211_channel_flags.
153 * @orig_flags: channel flags at registration time, used by regulatory
154 * code to support devices with additional restrictions
155 * @band: band this channel belongs to.
156 * @max_antenna_gain: maximum antenna gain in dBi
157 * @max_power: maximum transmission power (in dBm)
Hong Wueccc0682012-01-11 20:33:39 +0200158 * @max_reg_power: maximum regulatory transmission power (in dBm)
Johannes Bergd3236552009-04-20 14:31:42 +0200159 * @beacon_found: helper to regulatory code to indicate when a beacon
160 * has been found on this channel. Use regulatory_hint_found_beacon()
Walter Goldens77c20612010-05-18 04:44:54 -0700161 * to enable this, this is useful only on 5 GHz band.
Johannes Bergd3236552009-04-20 14:31:42 +0200162 * @orig_mag: internal use
163 * @orig_mpwr: internal use
Simon Wunderlich04f39042013-02-08 18:16:19 +0100164 * @dfs_state: current state of this channel. Only relevant if radar is required
165 * on this channel.
166 * @dfs_state_entered: timestamp (jiffies) when the dfs state was entered.
Janusz Dziedzic089027e2014-02-21 19:46:12 +0100167 * @dfs_cac_ms: DFS CAC time in milliseconds, this is valid for DFS channels.
Johannes Bergd3236552009-04-20 14:31:42 +0200168 */
169struct ieee80211_channel {
170 enum ieee80211_band band;
171 u16 center_freq;
Johannes Bergd3236552009-04-20 14:31:42 +0200172 u16 hw_value;
173 u32 flags;
174 int max_antenna_gain;
175 int max_power;
Hong Wueccc0682012-01-11 20:33:39 +0200176 int max_reg_power;
Johannes Bergd3236552009-04-20 14:31:42 +0200177 bool beacon_found;
178 u32 orig_flags;
179 int orig_mag, orig_mpwr;
Simon Wunderlich04f39042013-02-08 18:16:19 +0100180 enum nl80211_dfs_state dfs_state;
181 unsigned long dfs_state_entered;
Janusz Dziedzic089027e2014-02-21 19:46:12 +0100182 unsigned int dfs_cac_ms;
Johannes Bergd3236552009-04-20 14:31:42 +0200183};
184
185/**
186 * enum ieee80211_rate_flags - rate flags
187 *
188 * Hardware/specification flags for rates. These are structured
189 * in a way that allows using the same bitrate structure for
190 * different bands/PHY modes.
191 *
192 * @IEEE80211_RATE_SHORT_PREAMBLE: Hardware can send with short
193 * preamble on this bitrate; only relevant in 2.4GHz band and
194 * with CCK rates.
195 * @IEEE80211_RATE_MANDATORY_A: This bitrate is a mandatory rate
196 * when used with 802.11a (on the 5 GHz band); filled by the
197 * core code when registering the wiphy.
198 * @IEEE80211_RATE_MANDATORY_B: This bitrate is a mandatory rate
199 * when used with 802.11b (on the 2.4 GHz band); filled by the
200 * core code when registering the wiphy.
201 * @IEEE80211_RATE_MANDATORY_G: This bitrate is a mandatory rate
202 * when used with 802.11g (on the 2.4 GHz band); filled by the
203 * core code when registering the wiphy.
204 * @IEEE80211_RATE_ERP_G: This is an ERP rate in 802.11g mode.
Simon Wunderlich30e74732013-05-16 13:00:29 +0200205 * @IEEE80211_RATE_SUPPORTS_5MHZ: Rate can be used in 5 MHz mode
206 * @IEEE80211_RATE_SUPPORTS_10MHZ: Rate can be used in 10 MHz mode
Johannes Bergd3236552009-04-20 14:31:42 +0200207 */
208enum ieee80211_rate_flags {
209 IEEE80211_RATE_SHORT_PREAMBLE = 1<<0,
210 IEEE80211_RATE_MANDATORY_A = 1<<1,
211 IEEE80211_RATE_MANDATORY_B = 1<<2,
212 IEEE80211_RATE_MANDATORY_G = 1<<3,
213 IEEE80211_RATE_ERP_G = 1<<4,
Simon Wunderlich30e74732013-05-16 13:00:29 +0200214 IEEE80211_RATE_SUPPORTS_5MHZ = 1<<5,
215 IEEE80211_RATE_SUPPORTS_10MHZ = 1<<6,
Johannes Bergd3236552009-04-20 14:31:42 +0200216};
217
218/**
Dedy Lansky6eb18132015-02-08 15:52:03 +0200219 * enum ieee80211_bss_type - BSS type filter
220 *
221 * @IEEE80211_BSS_TYPE_ESS: Infrastructure BSS
222 * @IEEE80211_BSS_TYPE_PBSS: Personal BSS
223 * @IEEE80211_BSS_TYPE_IBSS: Independent BSS
224 * @IEEE80211_BSS_TYPE_MBSS: Mesh BSS
225 * @IEEE80211_BSS_TYPE_ANY: Wildcard value for matching any BSS type
226 */
227enum ieee80211_bss_type {
228 IEEE80211_BSS_TYPE_ESS,
229 IEEE80211_BSS_TYPE_PBSS,
230 IEEE80211_BSS_TYPE_IBSS,
231 IEEE80211_BSS_TYPE_MBSS,
232 IEEE80211_BSS_TYPE_ANY
233};
234
235/**
236 * enum ieee80211_privacy - BSS privacy filter
237 *
238 * @IEEE80211_PRIVACY_ON: privacy bit set
239 * @IEEE80211_PRIVACY_OFF: privacy bit clear
240 * @IEEE80211_PRIVACY_ANY: Wildcard value for matching any privacy setting
241 */
242enum ieee80211_privacy {
243 IEEE80211_PRIVACY_ON,
244 IEEE80211_PRIVACY_OFF,
245 IEEE80211_PRIVACY_ANY
246};
247
248#define IEEE80211_PRIVACY(x) \
249 ((x) ? IEEE80211_PRIVACY_ON : IEEE80211_PRIVACY_OFF)
250
251/**
Johannes Bergd3236552009-04-20 14:31:42 +0200252 * struct ieee80211_rate - bitrate definition
253 *
254 * This structure describes a bitrate that an 802.11 PHY can
255 * operate with. The two values @hw_value and @hw_value_short
256 * are only for driver use when pointers to this structure are
257 * passed around.
258 *
259 * @flags: rate-specific flags
260 * @bitrate: bitrate in units of 100 Kbps
261 * @hw_value: driver/hardware value for this rate
262 * @hw_value_short: driver/hardware value for this rate when
263 * short preamble is used
264 */
265struct ieee80211_rate {
266 u32 flags;
267 u16 bitrate;
268 u16 hw_value, hw_value_short;
269};
270
271/**
272 * struct ieee80211_sta_ht_cap - STA's HT capabilities
273 *
274 * This structure describes most essential parameters needed
275 * to describe 802.11n HT capabilities for an STA.
276 *
277 * @ht_supported: is HT supported by the STA
278 * @cap: HT capabilities map as described in 802.11n spec
279 * @ampdu_factor: Maximum A-MPDU length factor
280 * @ampdu_density: Minimum A-MPDU spacing
281 * @mcs: Supported MCS rates
282 */
283struct ieee80211_sta_ht_cap {
284 u16 cap; /* use IEEE80211_HT_CAP_ */
285 bool ht_supported;
286 u8 ampdu_factor;
287 u8 ampdu_density;
288 struct ieee80211_mcs_info mcs;
289};
290
291/**
Mahesh Palivelabf0c111e2012-06-22 07:27:46 +0000292 * struct ieee80211_sta_vht_cap - STA's VHT capabilities
293 *
294 * This structure describes most essential parameters needed
295 * to describe 802.11ac VHT capabilities for an STA.
296 *
297 * @vht_supported: is VHT supported by the STA
298 * @cap: VHT capabilities map as described in 802.11ac spec
299 * @vht_mcs: Supported VHT MCS rates
300 */
301struct ieee80211_sta_vht_cap {
302 bool vht_supported;
303 u32 cap; /* use IEEE80211_VHT_CAP_ */
304 struct ieee80211_vht_mcs_info vht_mcs;
305};
306
307/**
Johannes Bergd3236552009-04-20 14:31:42 +0200308 * struct ieee80211_supported_band - frequency band definition
309 *
310 * This structure describes a frequency band a wiphy
311 * is able to operate in.
312 *
313 * @channels: Array of channels the hardware can operate in
314 * in this band.
315 * @band: the band this structure represents
316 * @n_channels: Number of channels in @channels
317 * @bitrates: Array of bitrates the hardware can operate with
318 * in this band. Must be sorted to give a valid "supported
319 * rates" IE, i.e. CCK rates first, then OFDM.
320 * @n_bitrates: Number of bitrates in @bitrates
Johannes Bergabe37c42010-06-07 11:12:27 +0200321 * @ht_cap: HT capabilities in this band
Robert P. J. Dayc9a0a302012-08-26 14:21:47 -0400322 * @vht_cap: VHT capabilities in this band
Johannes Bergd3236552009-04-20 14:31:42 +0200323 */
324struct ieee80211_supported_band {
325 struct ieee80211_channel *channels;
326 struct ieee80211_rate *bitrates;
327 enum ieee80211_band band;
328 int n_channels;
329 int n_bitrates;
330 struct ieee80211_sta_ht_cap ht_cap;
Mahesh Palivelabf0c111e2012-06-22 07:27:46 +0000331 struct ieee80211_sta_vht_cap vht_cap;
Johannes Bergd3236552009-04-20 14:31:42 +0200332};
333
334/*
335 * Wireless hardware/device configuration structures and methods
Johannes Berg704232c2007-04-23 12:20:05 -0700336 */
337
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +0100338/**
Johannes Bergd70e9692010-08-19 16:11:27 +0200339 * DOC: Actions and configuration
340 *
341 * Each wireless device and each virtual interface offer a set of configuration
342 * operations and other actions that are invoked by userspace. Each of these
343 * actions is described in the operations structure, and the parameters these
344 * operations use are described separately.
345 *
346 * Additionally, some operations are asynchronous and expect to get status
347 * information via some functions that drivers need to call.
348 *
349 * Scanning and BSS list handling with its associated functionality is described
350 * in a separate chapter.
351 */
352
353/**
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +0100354 * struct vif_params - describes virtual interface parameters
Felix Fietkau8b787642009-11-10 18:53:10 +0100355 * @use_4addr: use 4-address frames
Ben Greeare8f479b2014-10-22 12:23:05 -0700356 * @macaddr: address to use for this virtual interface.
357 * If this parameter is set to zero address the driver may
358 * determine the address as needed.
359 * This feature is only fully supported by drivers that enable the
360 * %NL80211_FEATURE_MAC_ON_CREATE flag. Others may support creating
361 ** only p2p devices with specified MAC.
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +0100362 */
363struct vif_params {
Felix Fietkau8b787642009-11-10 18:53:10 +0100364 int use_4addr;
Arend van Spriel1c18f142013-01-08 10:17:27 +0100365 u8 macaddr[ETH_ALEN];
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +0100366};
367
Andy Green179f8312007-07-10 19:29:38 +0200368/**
Johannes Berg41ade002007-12-19 02:03:29 +0100369 * struct key_params - key information
370 *
371 * Information about a key
372 *
373 * @key: key material
374 * @key_len: length of key material
375 * @cipher: cipher suite selector
376 * @seq: sequence counter (IV/PN) for TKIP and CCMP keys, only used
377 * with the get_key() callback, must be in little endian,
378 * length given by @seq_len.
Johannes Bergabe37c42010-06-07 11:12:27 +0200379 * @seq_len: length of @seq.
Johannes Berg41ade002007-12-19 02:03:29 +0100380 */
381struct key_params {
Johannes Bergc1e5f472014-05-19 17:53:16 +0200382 const u8 *key;
383 const u8 *seq;
Johannes Berg41ade002007-12-19 02:03:29 +0100384 int key_len;
385 int seq_len;
386 u32 cipher;
387};
388
Johannes Berged1b6cc2007-12-19 02:03:32 +0100389/**
Johannes Berg683b6d32012-11-08 21:25:48 +0100390 * struct cfg80211_chan_def - channel definition
391 * @chan: the (control) channel
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100392 * @width: channel width
393 * @center_freq1: center frequency of first segment
394 * @center_freq2: center frequency of second segment
395 * (only with 80+80 MHz)
Johannes Berg683b6d32012-11-08 21:25:48 +0100396 */
397struct cfg80211_chan_def {
398 struct ieee80211_channel *chan;
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100399 enum nl80211_chan_width width;
400 u32 center_freq1;
401 u32 center_freq2;
Johannes Berg683b6d32012-11-08 21:25:48 +0100402};
403
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100404/**
405 * cfg80211_get_chandef_type - return old channel type from chandef
406 * @chandef: the channel definition
407 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +0100408 * Return: The old channel type (NOHT, HT20, HT40+/-) from a given
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100409 * chandef, which must have a bandwidth allowing this conversion.
410 */
Johannes Berg683b6d32012-11-08 21:25:48 +0100411static inline enum nl80211_channel_type
412cfg80211_get_chandef_type(const struct cfg80211_chan_def *chandef)
413{
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100414 switch (chandef->width) {
415 case NL80211_CHAN_WIDTH_20_NOHT:
416 return NL80211_CHAN_NO_HT;
417 case NL80211_CHAN_WIDTH_20:
418 return NL80211_CHAN_HT20;
419 case NL80211_CHAN_WIDTH_40:
420 if (chandef->center_freq1 > chandef->chan->center_freq)
421 return NL80211_CHAN_HT40PLUS;
422 return NL80211_CHAN_HT40MINUS;
423 default:
424 WARN_ON(1);
425 return NL80211_CHAN_NO_HT;
426 }
Johannes Berg683b6d32012-11-08 21:25:48 +0100427}
428
429/**
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100430 * cfg80211_chandef_create - create channel definition using channel type
431 * @chandef: the channel definition struct to fill
432 * @channel: the control channel
433 * @chantype: the channel type
434 *
435 * Given a channel type, create a channel definition.
436 */
437void cfg80211_chandef_create(struct cfg80211_chan_def *chandef,
438 struct ieee80211_channel *channel,
439 enum nl80211_channel_type chantype);
440
441/**
442 * cfg80211_chandef_identical - check if two channel definitions are identical
443 * @chandef1: first channel definition
444 * @chandef2: second channel definition
445 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +0100446 * Return: %true if the channels defined by the channel definitions are
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100447 * identical, %false otherwise.
448 */
449static inline bool
450cfg80211_chandef_identical(const struct cfg80211_chan_def *chandef1,
451 const struct cfg80211_chan_def *chandef2)
452{
453 return (chandef1->chan == chandef2->chan &&
454 chandef1->width == chandef2->width &&
455 chandef1->center_freq1 == chandef2->center_freq1 &&
456 chandef1->center_freq2 == chandef2->center_freq2);
457}
458
459/**
460 * cfg80211_chandef_compatible - check if two channel definitions are compatible
461 * @chandef1: first channel definition
462 * @chandef2: second channel definition
463 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +0100464 * Return: %NULL if the given channel definitions are incompatible,
Johannes Berg3d9d1d62012-11-08 23:14:50 +0100465 * chandef1 or chandef2 otherwise.
466 */
467const struct cfg80211_chan_def *
468cfg80211_chandef_compatible(const struct cfg80211_chan_def *chandef1,
469 const struct cfg80211_chan_def *chandef2);
470
471/**
Johannes Berg9f5e8f62012-11-22 16:59:45 +0100472 * cfg80211_chandef_valid - check if a channel definition is valid
473 * @chandef: the channel definition to check
Yacine Belkadi0ae997d2013-01-12 13:54:14 +0100474 * Return: %true if the channel definition is valid. %false otherwise.
Johannes Berg9f5e8f62012-11-22 16:59:45 +0100475 */
476bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef);
477
478/**
479 * cfg80211_chandef_usable - check if secondary channels can be used
480 * @wiphy: the wiphy to validate against
481 * @chandef: the channel definition to check
Yacine Belkadi0ae997d2013-01-12 13:54:14 +0100482 * @prohibited_flags: the regulatory channel flags that must not be set
483 * Return: %true if secondary channels are usable. %false otherwise.
Johannes Berg9f5e8f62012-11-22 16:59:45 +0100484 */
485bool cfg80211_chandef_usable(struct wiphy *wiphy,
486 const struct cfg80211_chan_def *chandef,
487 u32 prohibited_flags);
488
489/**
Simon Wunderlich774f0732013-08-28 13:41:28 +0200490 * cfg80211_chandef_dfs_required - checks if radar detection is required
491 * @wiphy: the wiphy to validate against
492 * @chandef: the channel definition to check
Luciano Coelho2beb6dab2014-02-18 11:40:36 +0200493 * @iftype: the interface type as specified in &enum nl80211_iftype
494 * Returns:
495 * 1 if radar detection is required, 0 if it is not, < 0 on error
Simon Wunderlich774f0732013-08-28 13:41:28 +0200496 */
497int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
Luciano Coelho2beb6dab2014-02-18 11:40:36 +0200498 const struct cfg80211_chan_def *chandef,
Luciano Coelhoc3d62032014-05-07 19:07:05 +0300499 enum nl80211_iftype iftype);
Simon Wunderlich774f0732013-08-28 13:41:28 +0200500
501/**
Simon Wunderlich30e74732013-05-16 13:00:29 +0200502 * ieee80211_chandef_rate_flags - returns rate flags for a channel
503 *
504 * In some channel types, not all rates may be used - for example CCK
505 * rates may not be used in 5/10 MHz channels.
506 *
507 * @chandef: channel definition for the channel
508 *
509 * Returns: rate flags which apply for this channel
510 */
511static inline enum ieee80211_rate_flags
512ieee80211_chandef_rate_flags(struct cfg80211_chan_def *chandef)
513{
514 switch (chandef->width) {
515 case NL80211_CHAN_WIDTH_5:
516 return IEEE80211_RATE_SUPPORTS_5MHZ;
517 case NL80211_CHAN_WIDTH_10:
518 return IEEE80211_RATE_SUPPORTS_10MHZ;
519 default:
520 break;
521 }
522 return 0;
523}
524
525/**
Simon Wunderlich0430c882013-07-08 16:55:55 +0200526 * ieee80211_chandef_max_power - maximum transmission power for the chandef
527 *
528 * In some regulations, the transmit power may depend on the configured channel
529 * bandwidth which may be defined as dBm/MHz. This function returns the actual
530 * max_power for non-standard (20 MHz) channels.
531 *
532 * @chandef: channel definition for the channel
533 *
534 * Returns: maximum allowed transmission power in dBm for the chandef
535 */
536static inline int
537ieee80211_chandef_max_power(struct cfg80211_chan_def *chandef)
538{
539 switch (chandef->width) {
540 case NL80211_CHAN_WIDTH_5:
541 return min(chandef->chan->max_reg_power - 6,
542 chandef->chan->max_power);
543 case NL80211_CHAN_WIDTH_10:
544 return min(chandef->chan->max_reg_power - 3,
545 chandef->chan->max_power);
546 default:
547 break;
548 }
549 return chandef->chan->max_power;
550}
551
552/**
Holger Schurig61fa7132009-11-11 12:25:40 +0100553 * enum survey_info_flags - survey information flags
554 *
Johannes Bergabe37c42010-06-07 11:12:27 +0200555 * @SURVEY_INFO_NOISE_DBM: noise (in dBm) was filled in
Felix Fietkau17e5a802010-09-29 17:15:30 +0200556 * @SURVEY_INFO_IN_USE: channel is currently being used
Johannes Berg4ed20be2014-11-14 16:35:34 +0100557 * @SURVEY_INFO_TIME: active time (in ms) was filled in
558 * @SURVEY_INFO_TIME_BUSY: busy time was filled in
559 * @SURVEY_INFO_TIME_EXT_BUSY: extension channel busy time was filled in
560 * @SURVEY_INFO_TIME_RX: receive time was filled in
561 * @SURVEY_INFO_TIME_TX: transmit time was filled in
Johannes Berg052536a2014-11-14 16:44:11 +0100562 * @SURVEY_INFO_TIME_SCAN: scan time was filled in
Johannes Bergabe37c42010-06-07 11:12:27 +0200563 *
Holger Schurig61fa7132009-11-11 12:25:40 +0100564 * Used by the driver to indicate which info in &struct survey_info
565 * it has filled in during the get_survey().
566 */
567enum survey_info_flags {
Johannes Berg4ed20be2014-11-14 16:35:34 +0100568 SURVEY_INFO_NOISE_DBM = BIT(0),
569 SURVEY_INFO_IN_USE = BIT(1),
570 SURVEY_INFO_TIME = BIT(2),
571 SURVEY_INFO_TIME_BUSY = BIT(3),
572 SURVEY_INFO_TIME_EXT_BUSY = BIT(4),
573 SURVEY_INFO_TIME_RX = BIT(5),
574 SURVEY_INFO_TIME_TX = BIT(6),
Johannes Berg052536a2014-11-14 16:44:11 +0100575 SURVEY_INFO_TIME_SCAN = BIT(7),
Holger Schurig61fa7132009-11-11 12:25:40 +0100576};
577
578/**
579 * struct survey_info - channel survey response
580 *
Johannes Berg11f78ac2014-11-14 16:43:50 +0100581 * @channel: the channel this survey record reports, may be %NULL for a single
582 * record to report global statistics
Holger Schurig61fa7132009-11-11 12:25:40 +0100583 * @filled: bitflag of flags from &enum survey_info_flags
584 * @noise: channel noise in dBm. This and all following fields are
Johannes Bergad24b0d2013-07-05 11:53:28 +0200585 * optional
Johannes Berg4ed20be2014-11-14 16:35:34 +0100586 * @time: amount of time in ms the radio was turn on (on the channel)
587 * @time_busy: amount of time the primary channel was sensed busy
588 * @time_ext_busy: amount of time the extension channel was sensed busy
589 * @time_rx: amount of time the radio spent receiving data
590 * @time_tx: amount of time the radio spent transmitting data
Johannes Berg052536a2014-11-14 16:44:11 +0100591 * @time_scan: amount of time the radio spent for scanning
Holger Schurig61fa7132009-11-11 12:25:40 +0100592 *
Johannes Bergabe37c42010-06-07 11:12:27 +0200593 * Used by dump_survey() to report back per-channel survey information.
594 *
Holger Schurig61fa7132009-11-11 12:25:40 +0100595 * This structure can later be expanded with things like
596 * channel duty cycle etc.
597 */
598struct survey_info {
599 struct ieee80211_channel *channel;
Johannes Berg4ed20be2014-11-14 16:35:34 +0100600 u64 time;
601 u64 time_busy;
602 u64 time_ext_busy;
603 u64 time_rx;
604 u64 time_tx;
Johannes Berg052536a2014-11-14 16:44:11 +0100605 u64 time_scan;
Holger Schurig61fa7132009-11-11 12:25:40 +0100606 u32 filled;
607 s8 noise;
608};
609
610/**
Jouni Malinen5fb628e2011-08-10 23:54:35 +0300611 * struct cfg80211_crypto_settings - Crypto settings
612 * @wpa_versions: indicates which, if any, WPA versions are enabled
613 * (from enum nl80211_wpa_versions)
614 * @cipher_group: group key cipher suite (or 0 if unset)
615 * @n_ciphers_pairwise: number of AP supported unicast ciphers
616 * @ciphers_pairwise: unicast key cipher suites
617 * @n_akm_suites: number of AKM suites
618 * @akm_suites: AKM suites
619 * @control_port: Whether user space controls IEEE 802.1X port, i.e.,
620 * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is
621 * required to assume that the port is unauthorized until authorized by
622 * user space. Otherwise, port is marked authorized by default.
623 * @control_port_ethertype: the control port protocol that should be
624 * allowed through even on unauthorized ports
625 * @control_port_no_encrypt: TRUE to prevent encryption of control port
626 * protocol frames.
627 */
628struct cfg80211_crypto_settings {
629 u32 wpa_versions;
630 u32 cipher_group;
631 int n_ciphers_pairwise;
632 u32 ciphers_pairwise[NL80211_MAX_NR_CIPHER_SUITES];
633 int n_akm_suites;
634 u32 akm_suites[NL80211_MAX_NR_AKM_SUITES];
635 bool control_port;
636 __be16 control_port_ethertype;
637 bool control_port_no_encrypt;
638};
639
640/**
Johannes Berg88600202012-02-13 15:17:18 +0100641 * struct cfg80211_beacon_data - beacon data
Johannes Berged1b6cc2007-12-19 02:03:32 +0100642 * @head: head portion of beacon (before TIM IE)
Johannes Bergad24b0d2013-07-05 11:53:28 +0200643 * or %NULL if not changed
Johannes Berged1b6cc2007-12-19 02:03:32 +0100644 * @tail: tail portion of beacon (after TIM IE)
Johannes Bergad24b0d2013-07-05 11:53:28 +0200645 * or %NULL if not changed
Johannes Berged1b6cc2007-12-19 02:03:32 +0100646 * @head_len: length of @head
647 * @tail_len: length of @tail
Jouni Malinen9946ecf2011-08-10 23:55:56 +0300648 * @beacon_ies: extra information element(s) to add into Beacon frames or %NULL
649 * @beacon_ies_len: length of beacon_ies in octets
650 * @proberesp_ies: extra information element(s) to add into Probe Response
651 * frames or %NULL
652 * @proberesp_ies_len: length of proberesp_ies in octets
653 * @assocresp_ies: extra information element(s) to add into (Re)Association
654 * Response frames or %NULL
655 * @assocresp_ies_len: length of assocresp_ies in octets
Arik Nemtsov00f740e2011-11-10 11:28:56 +0200656 * @probe_resp_len: length of probe response template (@probe_resp)
657 * @probe_resp: probe response template (AP mode only)
Johannes Berged1b6cc2007-12-19 02:03:32 +0100658 */
Johannes Berg88600202012-02-13 15:17:18 +0100659struct cfg80211_beacon_data {
660 const u8 *head, *tail;
661 const u8 *beacon_ies;
662 const u8 *proberesp_ies;
663 const u8 *assocresp_ies;
664 const u8 *probe_resp;
665
666 size_t head_len, tail_len;
667 size_t beacon_ies_len;
668 size_t proberesp_ies_len;
669 size_t assocresp_ies_len;
670 size_t probe_resp_len;
671};
672
Vasanthakumar Thiagarajan6d45a742013-01-18 11:18:44 +0530673struct mac_address {
674 u8 addr[ETH_ALEN];
675};
676
Johannes Berg88600202012-02-13 15:17:18 +0100677/**
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +0530678 * struct cfg80211_acl_data - Access control list data
679 *
680 * @acl_policy: ACL policy to be applied on the station's
Johannes Berg077f8972013-02-08 09:06:36 +0100681 * entry specified by mac_addr
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +0530682 * @n_acl_entries: Number of MAC address entries passed
683 * @mac_addrs: List of MAC addresses of stations to be used for ACL
684 */
685struct cfg80211_acl_data {
686 enum nl80211_acl_policy acl_policy;
687 int n_acl_entries;
688
689 /* Keep it last */
690 struct mac_address mac_addrs[];
691};
692
Johannes Berg88600202012-02-13 15:17:18 +0100693/**
694 * struct cfg80211_ap_settings - AP configuration
695 *
696 * Used to configure an AP interface.
697 *
Johannes Berg683b6d32012-11-08 21:25:48 +0100698 * @chandef: defines the channel to use
Johannes Berg88600202012-02-13 15:17:18 +0100699 * @beacon: beacon data
700 * @beacon_interval: beacon interval
701 * @dtim_period: DTIM period
702 * @ssid: SSID to be used in the BSS (note: may be %NULL if not provided from
703 * user space)
704 * @ssid_len: length of @ssid
705 * @hidden_ssid: whether to hide the SSID in Beacon/Probe Response frames
706 * @crypto: crypto settings
707 * @privacy: the BSS uses privacy
708 * @auth_type: Authentication type (algorithm)
Eliad Peller18998c32014-09-10 14:07:34 +0300709 * @smps_mode: SMPS mode
Vasanthakumar Thiagarajan1b658f12012-03-02 15:50:02 +0530710 * @inactivity_timeout: time in seconds to determine station's inactivity.
Johannes Berg53cabad2012-11-14 15:17:28 +0100711 * @p2p_ctwindow: P2P CT Window
712 * @p2p_opp_ps: P2P opportunistic PS
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +0530713 * @acl: ACL configuration used by the drivers which has support for
714 * MAC address based access control
Johannes Berg88600202012-02-13 15:17:18 +0100715 */
716struct cfg80211_ap_settings {
Johannes Berg683b6d32012-11-08 21:25:48 +0100717 struct cfg80211_chan_def chandef;
Johannes Bergaa430da2012-05-16 23:50:18 +0200718
Johannes Berg88600202012-02-13 15:17:18 +0100719 struct cfg80211_beacon_data beacon;
720
721 int beacon_interval, dtim_period;
Jouni Malinen32e9de82011-08-10 23:53:31 +0300722 const u8 *ssid;
723 size_t ssid_len;
724 enum nl80211_hidden_ssid hidden_ssid;
Jouni Malinen5fb628e2011-08-10 23:54:35 +0300725 struct cfg80211_crypto_settings crypto;
726 bool privacy;
727 enum nl80211_auth_type auth_type;
Eliad Peller18998c32014-09-10 14:07:34 +0300728 enum nl80211_smps_mode smps_mode;
Vasanthakumar Thiagarajan1b658f12012-03-02 15:50:02 +0530729 int inactivity_timeout;
Johannes Berg53cabad2012-11-14 15:17:28 +0100730 u8 p2p_ctwindow;
731 bool p2p_opp_ps;
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +0530732 const struct cfg80211_acl_data *acl;
Johannes Berged1b6cc2007-12-19 02:03:32 +0100733};
734
Johannes Berg5727ef12007-12-19 02:03:34 +0100735/**
Simon Wunderlich16ef1fe2013-07-11 16:09:05 +0200736 * struct cfg80211_csa_settings - channel switch settings
737 *
738 * Used for channel switch
739 *
740 * @chandef: defines the channel to use after the switch
741 * @beacon_csa: beacon data while performing the switch
Andrei Otcheretianski9a774c72014-05-09 14:11:46 +0300742 * @counter_offsets_beacon: offsets of the counters within the beacon (tail)
743 * @counter_offsets_presp: offsets of the counters within the probe response
744 * @n_counter_offsets_beacon: number of csa counters the beacon (tail)
745 * @n_counter_offsets_presp: number of csa counters in the probe response
Simon Wunderlich16ef1fe2013-07-11 16:09:05 +0200746 * @beacon_after: beacon data to be used on the new channel
747 * @radar_required: whether radar detection is required on the new channel
748 * @block_tx: whether transmissions should be blocked while changing
749 * @count: number of beacons until switch
750 */
751struct cfg80211_csa_settings {
752 struct cfg80211_chan_def chandef;
753 struct cfg80211_beacon_data beacon_csa;
Andrei Otcheretianski9a774c72014-05-09 14:11:46 +0300754 const u16 *counter_offsets_beacon;
755 const u16 *counter_offsets_presp;
756 unsigned int n_counter_offsets_beacon;
757 unsigned int n_counter_offsets_presp;
Simon Wunderlich16ef1fe2013-07-11 16:09:05 +0200758 struct cfg80211_beacon_data beacon_after;
759 bool radar_required;
760 bool block_tx;
761 u8 count;
762};
763
764/**
Johannes Berg3b9ce802011-09-27 20:56:12 +0200765 * enum station_parameters_apply_mask - station parameter values to apply
766 * @STATION_PARAM_APPLY_UAPSD: apply new uAPSD parameters (uapsd_queues, max_sp)
Jouni Malinen9d62a982013-02-14 21:10:13 +0200767 * @STATION_PARAM_APPLY_CAPABILITY: apply new capability
Johannes Bergf8bacc22013-02-14 23:27:01 +0100768 * @STATION_PARAM_APPLY_PLINK_STATE: apply new plink state
Johannes Berg3b9ce802011-09-27 20:56:12 +0200769 *
770 * Not all station parameters have in-band "no change" signalling,
771 * for those that don't these flags will are used.
772 */
773enum station_parameters_apply_mask {
774 STATION_PARAM_APPLY_UAPSD = BIT(0),
Jouni Malinen9d62a982013-02-14 21:10:13 +0200775 STATION_PARAM_APPLY_CAPABILITY = BIT(1),
Johannes Bergf8bacc22013-02-14 23:27:01 +0100776 STATION_PARAM_APPLY_PLINK_STATE = BIT(2),
Johannes Berg3b9ce802011-09-27 20:56:12 +0200777};
778
779/**
Johannes Berg5727ef12007-12-19 02:03:34 +0100780 * struct station_parameters - station parameters
781 *
782 * Used to change and create a new station.
783 *
784 * @vlan: vlan interface station should belong to
785 * @supported_rates: supported rates in IEEE 802.11 format
786 * (or NULL for no change)
787 * @supported_rates_len: number of supported rates
Johannes Bergeccb8e82009-05-11 21:57:56 +0300788 * @sta_flags_mask: station flags that changed
789 * (bitmask of BIT(NL80211_STA_FLAG_...))
790 * @sta_flags_set: station flags values
791 * (bitmask of BIT(NL80211_STA_FLAG_...))
Johannes Berg5727ef12007-12-19 02:03:34 +0100792 * @listen_interval: listen interval or -1 for no change
793 * @aid: AID or zero for no change
Johannes Bergabe37c42010-06-07 11:12:27 +0200794 * @plink_action: plink action to take
Javier Cardona9c3990a2011-05-03 16:57:11 -0700795 * @plink_state: set the peer link state for a station
Johannes Bergabe37c42010-06-07 11:12:27 +0200796 * @ht_capa: HT capabilities of station
Mahesh Palivelaf461be3e2012-10-11 08:04:52 +0000797 * @vht_capa: VHT capabilities of station
Eliad Peller910868d2011-09-11 09:46:55 +0300798 * @uapsd_queues: bitmap of queues configured for uapsd. same format
799 * as the AC bitmap in the QoS info field
800 * @max_sp: max Service Period. same format as the MAX_SP in the
801 * QoS info field (but already shifted down)
Johannes Bergc26887d2011-11-08 09:20:07 +0100802 * @sta_modify_mask: bitmap indicating which parameters changed
803 * (for those that don't have a natural "no change" value),
804 * see &enum station_parameters_apply_mask
Marco Porsch3b1c5a52013-01-07 16:04:52 +0100805 * @local_pm: local link-specific mesh power save mode (no change when set
806 * to unknown)
Jouni Malinen9d62a982013-02-14 21:10:13 +0200807 * @capability: station capability
808 * @ext_capab: extended capabilities of the station
809 * @ext_capab_len: number of extended capabilities
Sunil Duttc01fc9a2013-10-09 20:45:21 +0530810 * @supported_channels: supported channels in IEEE 802.11 format
811 * @supported_channels_len: number of supported channels
812 * @supported_oper_classes: supported oper classes in IEEE 802.11 format
813 * @supported_oper_classes_len: number of supported operating classes
Marek Kwaczynski60f4a7b2013-12-03 10:04:59 +0100814 * @opmode_notif: operating mode field from Operating Mode Notification
815 * @opmode_notif_used: information if operating mode field is used
Johannes Berg5727ef12007-12-19 02:03:34 +0100816 */
817struct station_parameters {
Johannes Berg2c1aabf2013-02-14 23:33:40 +0100818 const u8 *supported_rates;
Johannes Berg5727ef12007-12-19 02:03:34 +0100819 struct net_device *vlan;
Johannes Bergeccb8e82009-05-11 21:57:56 +0300820 u32 sta_flags_mask, sta_flags_set;
Johannes Berg3b9ce802011-09-27 20:56:12 +0200821 u32 sta_modify_mask;
Johannes Berg5727ef12007-12-19 02:03:34 +0100822 int listen_interval;
823 u16 aid;
824 u8 supported_rates_len;
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +0100825 u8 plink_action;
Javier Cardona9c3990a2011-05-03 16:57:11 -0700826 u8 plink_state;
Johannes Berg2c1aabf2013-02-14 23:33:40 +0100827 const struct ieee80211_ht_cap *ht_capa;
828 const struct ieee80211_vht_cap *vht_capa;
Eliad Pellerc75786c2011-08-23 14:37:46 +0300829 u8 uapsd_queues;
830 u8 max_sp;
Marco Porsch3b1c5a52013-01-07 16:04:52 +0100831 enum nl80211_mesh_power_mode local_pm;
Jouni Malinen9d62a982013-02-14 21:10:13 +0200832 u16 capability;
Johannes Berg2c1aabf2013-02-14 23:33:40 +0100833 const u8 *ext_capab;
Jouni Malinen9d62a982013-02-14 21:10:13 +0200834 u8 ext_capab_len;
Sunil Duttc01fc9a2013-10-09 20:45:21 +0530835 const u8 *supported_channels;
836 u8 supported_channels_len;
837 const u8 *supported_oper_classes;
838 u8 supported_oper_classes_len;
Marek Kwaczynski60f4a7b2013-12-03 10:04:59 +0100839 u8 opmode_notif;
840 bool opmode_notif_used;
Johannes Berg5727ef12007-12-19 02:03:34 +0100841};
842
Johannes Bergfd5b74d2007-12-19 02:03:36 +0100843/**
Jouni Malinen89c771e2014-10-10 20:52:40 +0300844 * struct station_del_parameters - station deletion parameters
845 *
846 * Used to delete a station entry (or all stations).
847 *
848 * @mac: MAC address of the station to remove or NULL to remove all stations
Jouni Malinen98856862014-10-20 13:20:45 +0300849 * @subtype: Management frame subtype to use for indicating removal
850 * (10 = Disassociation, 12 = Deauthentication)
851 * @reason_code: Reason code for the Disassociation/Deauthentication frame
Jouni Malinen89c771e2014-10-10 20:52:40 +0300852 */
853struct station_del_parameters {
854 const u8 *mac;
Jouni Malinen98856862014-10-20 13:20:45 +0300855 u8 subtype;
856 u16 reason_code;
Jouni Malinen89c771e2014-10-10 20:52:40 +0300857};
858
859/**
Johannes Berg77ee7c82013-02-15 00:48:33 +0100860 * enum cfg80211_station_type - the type of station being modified
861 * @CFG80211_STA_AP_CLIENT: client of an AP interface
Ayala Beker47edb112015-09-21 15:49:53 +0300862 * @CFG80211_STA_AP_CLIENT_UNASSOC: client of an AP interface that is still
863 * unassociated (update properties for this type of client is permitted)
Johannes Berg77ee7c82013-02-15 00:48:33 +0100864 * @CFG80211_STA_AP_MLME_CLIENT: client of an AP interface that has
865 * the AP MLME in the device
866 * @CFG80211_STA_AP_STA: AP station on managed interface
867 * @CFG80211_STA_IBSS: IBSS station
868 * @CFG80211_STA_TDLS_PEER_SETUP: TDLS peer on managed interface (dummy entry
869 * while TDLS setup is in progress, it moves out of this state when
870 * being marked authorized; use this only if TDLS with external setup is
871 * supported/used)
872 * @CFG80211_STA_TDLS_PEER_ACTIVE: TDLS peer on managed interface (active
873 * entry that is operating, has been marked authorized by userspace)
Thomas Pederseneef941e2013-03-04 13:06:11 -0800874 * @CFG80211_STA_MESH_PEER_KERNEL: peer on mesh interface (kernel managed)
875 * @CFG80211_STA_MESH_PEER_USER: peer on mesh interface (user managed)
Johannes Berg77ee7c82013-02-15 00:48:33 +0100876 */
877enum cfg80211_station_type {
878 CFG80211_STA_AP_CLIENT,
Ayala Beker47edb112015-09-21 15:49:53 +0300879 CFG80211_STA_AP_CLIENT_UNASSOC,
Johannes Berg77ee7c82013-02-15 00:48:33 +0100880 CFG80211_STA_AP_MLME_CLIENT,
881 CFG80211_STA_AP_STA,
882 CFG80211_STA_IBSS,
883 CFG80211_STA_TDLS_PEER_SETUP,
884 CFG80211_STA_TDLS_PEER_ACTIVE,
Thomas Pederseneef941e2013-03-04 13:06:11 -0800885 CFG80211_STA_MESH_PEER_KERNEL,
886 CFG80211_STA_MESH_PEER_USER,
Johannes Berg77ee7c82013-02-15 00:48:33 +0100887};
888
889/**
890 * cfg80211_check_station_change - validate parameter changes
891 * @wiphy: the wiphy this operates on
892 * @params: the new parameters for a station
893 * @statype: the type of station being modified
894 *
895 * Utility function for the @change_station driver method. Call this function
896 * with the appropriate station type looking up the station (and checking that
897 * it exists). It will verify whether the station change is acceptable, and if
898 * not will return an error code. Note that it may modify the parameters for
899 * backward compatibility reasons, so don't use them before calling this.
900 */
901int cfg80211_check_station_change(struct wiphy *wiphy,
902 struct station_parameters *params,
903 enum cfg80211_station_type statype);
904
905/**
Henning Rogge420e7fa2008-12-11 22:04:19 +0100906 * enum station_info_rate_flags - bitrate info flags
907 *
908 * Used by the driver to indicate the specific rate transmission
909 * type for 802.11n transmissions.
910 *
Johannes Bergdb9c64c2012-11-09 14:56:41 +0100911 * @RATE_INFO_FLAGS_MCS: mcs field filled with HT MCS
912 * @RATE_INFO_FLAGS_VHT_MCS: mcs field filled with VHT MCS
Henning Rogge420e7fa2008-12-11 22:04:19 +0100913 * @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval
Johannes Bergdb9c64c2012-11-09 14:56:41 +0100914 * @RATE_INFO_FLAGS_60G: 60GHz MCS
Henning Rogge420e7fa2008-12-11 22:04:19 +0100915 */
916enum rate_info_flags {
Johannes Bergdb9c64c2012-11-09 14:56:41 +0100917 RATE_INFO_FLAGS_MCS = BIT(0),
918 RATE_INFO_FLAGS_VHT_MCS = BIT(1),
Johannes Bergb51f3be2015-01-15 16:14:02 +0100919 RATE_INFO_FLAGS_SHORT_GI = BIT(2),
920 RATE_INFO_FLAGS_60G = BIT(3),
921};
922
923/**
924 * enum rate_info_bw - rate bandwidth information
925 *
926 * Used by the driver to indicate the rate bandwidth.
927 *
928 * @RATE_INFO_BW_5: 5 MHz bandwidth
929 * @RATE_INFO_BW_10: 10 MHz bandwidth
930 * @RATE_INFO_BW_20: 20 MHz bandwidth
931 * @RATE_INFO_BW_40: 40 MHz bandwidth
932 * @RATE_INFO_BW_80: 80 MHz bandwidth
933 * @RATE_INFO_BW_160: 160 MHz bandwidth
934 */
935enum rate_info_bw {
936 RATE_INFO_BW_5,
937 RATE_INFO_BW_10,
938 RATE_INFO_BW_20,
939 RATE_INFO_BW_40,
940 RATE_INFO_BW_80,
941 RATE_INFO_BW_160,
Henning Rogge420e7fa2008-12-11 22:04:19 +0100942};
943
944/**
945 * struct rate_info - bitrate information
946 *
947 * Information about a receiving or transmitting bitrate
948 *
949 * @flags: bitflag of flags from &enum rate_info_flags
950 * @mcs: mcs index if struct describes a 802.11n bitrate
951 * @legacy: bitrate in 100kbit/s for 802.11abg
Johannes Bergdb9c64c2012-11-09 14:56:41 +0100952 * @nss: number of streams (VHT only)
Johannes Bergb51f3be2015-01-15 16:14:02 +0100953 * @bw: bandwidth (from &enum rate_info_bw)
Henning Rogge420e7fa2008-12-11 22:04:19 +0100954 */
955struct rate_info {
956 u8 flags;
957 u8 mcs;
958 u16 legacy;
Johannes Bergdb9c64c2012-11-09 14:56:41 +0100959 u8 nss;
Johannes Bergb51f3be2015-01-15 16:14:02 +0100960 u8 bw;
Johannes Bergfd5b74d2007-12-19 02:03:36 +0100961};
962
963/**
Paul Stewartf4263c92011-03-31 09:25:41 -0700964 * enum station_info_rate_flags - bitrate info flags
965 *
966 * Used by the driver to indicate the specific rate transmission
967 * type for 802.11n transmissions.
968 *
969 * @BSS_PARAM_FLAGS_CTS_PROT: whether CTS protection is enabled
970 * @BSS_PARAM_FLAGS_SHORT_PREAMBLE: whether short preamble is enabled
971 * @BSS_PARAM_FLAGS_SHORT_SLOT_TIME: whether short slot time is enabled
972 */
973enum bss_param_flags {
974 BSS_PARAM_FLAGS_CTS_PROT = 1<<0,
975 BSS_PARAM_FLAGS_SHORT_PREAMBLE = 1<<1,
976 BSS_PARAM_FLAGS_SHORT_SLOT_TIME = 1<<2,
977};
978
979/**
980 * struct sta_bss_parameters - BSS parameters for the attached station
981 *
982 * Information about the currently associated BSS
983 *
984 * @flags: bitflag of flags from &enum bss_param_flags
985 * @dtim_period: DTIM period for the BSS
986 * @beacon_interval: beacon interval
987 */
988struct sta_bss_parameters {
989 u8 flags;
990 u8 dtim_period;
991 u16 beacon_interval;
992};
993
Johannes Berg6de39802014-12-19 12:34:00 +0100994/**
995 * struct cfg80211_tid_stats - per-TID statistics
996 * @filled: bitmap of flags using the bits of &enum nl80211_tid_stats to
997 * indicate the relevant values in this struct are filled
998 * @rx_msdu: number of received MSDUs
999 * @tx_msdu: number of (attempted) transmitted MSDUs
1000 * @tx_msdu_retries: number of retries (not counting the first) for
1001 * transmitted MSDUs
1002 * @tx_msdu_failed: number of failed transmitted MSDUs
1003 */
1004struct cfg80211_tid_stats {
1005 u32 filled;
1006 u64 rx_msdu;
1007 u64 tx_msdu;
1008 u64 tx_msdu_retries;
1009 u64 tx_msdu_failed;
1010};
1011
Felix Fietkau119363c2013-04-22 16:29:30 +02001012#define IEEE80211_MAX_CHAINS 4
1013
Paul Stewartf4263c92011-03-31 09:25:41 -07001014/**
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001015 * struct station_info - station information
Johannes Bergfd5b74d2007-12-19 02:03:36 +01001016 *
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001017 * Station information filled by driver for get_station() and dump_station.
Johannes Bergfd5b74d2007-12-19 02:03:36 +01001018 *
Johannes Berg319090b2014-11-17 14:08:11 +01001019 * @filled: bitflag of flags using the bits of &enum nl80211_sta_info to
1020 * indicate the relevant values in this struct for them
Mohammed Shafi Shajakhanebe27c92011-04-08 21:24:24 +05301021 * @connected_time: time(in secs) since a station is last connected
Johannes Bergfd5b74d2007-12-19 02:03:36 +01001022 * @inactive_time: time since last station activity (tx/rx) in milliseconds
Johannes Berg8d791362014-11-21 12:40:05 +01001023 * @rx_bytes: bytes (size of MPDUs) received from this station
1024 * @tx_bytes: bytes (size of MPDUs) transmitted to this station
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001025 * @llid: mesh local link id
1026 * @plid: mesh peer link id
1027 * @plink_state: mesh peer link state
Johannes Berg73c3df32012-06-13 11:17:14 +02001028 * @signal: The signal strength, type depends on the wiphy's signal_type.
1029 * For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
1030 * @signal_avg: Average signal strength, type depends on the wiphy's signal_type.
1031 * For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
Felix Fietkau119363c2013-04-22 16:29:30 +02001032 * @chains: bitmask for filled values in @chain_signal, @chain_signal_avg
1033 * @chain_signal: per-chain signal strength of last received packet in dBm
1034 * @chain_signal_avg: per-chain signal strength average in dBm
Randy Dunlap858022a2011-03-18 09:33:02 -07001035 * @txrate: current unicast bitrate from this station
1036 * @rxrate: current unicast bitrate to this station
Johannes Berg8d791362014-11-21 12:40:05 +01001037 * @rx_packets: packets (MSDUs & MMPDUs) received from this station
1038 * @tx_packets: packets (MSDUs & MMPDUs) transmitted to this station
1039 * @tx_retries: cumulative retry counts (MPDUs)
1040 * @tx_failed: number of failed transmissions (MPDUs) (retries exceeded, no ACK)
Ben Greear5a5c7312010-10-07 16:39:20 -07001041 * @rx_dropped_misc: Dropped for un-specified reason.
Randy Dunlap1ba01452011-05-22 17:16:20 -07001042 * @bss_param: current BSS parameters
Johannes Bergf5ea9122009-08-07 16:17:38 +02001043 * @generation: generation number for nl80211 dumps.
1044 * This number should increase every time the list of stations
1045 * changes, i.e. when a station is added or removed, so that
1046 * userspace can tell whether it got a consistent snapshot.
Jouni Malinen50d3dfb2011-08-08 12:11:52 +03001047 * @assoc_req_ies: IEs from (Re)Association Request.
1048 * This is used only when in AP mode with drivers that do not use
1049 * user space MLME/SME implementation. The information is provided for
1050 * the cfg80211_new_sta() calls to notify user space of the IEs.
1051 * @assoc_req_ies_len: Length of assoc_req_ies buffer in octets.
Johannes Bergc26887d2011-11-08 09:20:07 +01001052 * @sta_flags: station flags mask & values
Paul Stewarta85e1d52011-12-09 11:01:49 -08001053 * @beacon_loss_count: Number of times beacon loss event has triggered.
Javier Cardonad299a1f2012-03-31 11:31:33 -07001054 * @t_offset: Time offset of the station relative to this host.
Marco Porsch3b1c5a52013-01-07 16:04:52 +01001055 * @local_pm: local mesh STA power save mode
1056 * @peer_pm: peer mesh STA power save mode
1057 * @nonpeer_pm: non-peer mesh STA power save mode
Antonio Quartulli867d8492014-05-19 21:53:19 +02001058 * @expected_throughput: expected throughput in kbps (including 802.11 headers)
1059 * towards this station.
Johannes Berga76b1942014-11-17 14:12:22 +01001060 * @rx_beacon: number of beacons received from this peer
1061 * @rx_beacon_signal_avg: signal strength average (in dBm) for beacons received
1062 * from this peer
Johannes Berg6de39802014-12-19 12:34:00 +01001063 * @pertid: per-TID statistics, see &struct cfg80211_tid_stats, using the last
1064 * (IEEE80211_NUM_TIDS) index for MSDUs not encapsulated in QoS-MPDUs.
Johannes Bergfd5b74d2007-12-19 02:03:36 +01001065 */
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001066struct station_info {
Johannes Bergfd5b74d2007-12-19 02:03:36 +01001067 u32 filled;
Mohammed Shafi Shajakhanebe27c92011-04-08 21:24:24 +05301068 u32 connected_time;
Johannes Bergfd5b74d2007-12-19 02:03:36 +01001069 u32 inactive_time;
Vladimir Kondratiev42745e02013-02-04 13:53:11 +02001070 u64 rx_bytes;
1071 u64 tx_bytes;
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001072 u16 llid;
1073 u16 plid;
1074 u8 plink_state;
Henning Rogge420e7fa2008-12-11 22:04:19 +01001075 s8 signal;
Bruno Randolf541a45a2010-12-02 19:12:43 +09001076 s8 signal_avg;
Felix Fietkau119363c2013-04-22 16:29:30 +02001077
1078 u8 chains;
1079 s8 chain_signal[IEEE80211_MAX_CHAINS];
1080 s8 chain_signal_avg[IEEE80211_MAX_CHAINS];
1081
Henning Rogge420e7fa2008-12-11 22:04:19 +01001082 struct rate_info txrate;
Felix Fietkauc8dcfd82011-02-27 22:08:00 +01001083 struct rate_info rxrate;
Jouni Malinen98c8a60a2009-02-17 13:24:57 +02001084 u32 rx_packets;
1085 u32 tx_packets;
Bruno Randolfb206b4e2010-10-06 18:34:12 +09001086 u32 tx_retries;
1087 u32 tx_failed;
Ben Greear5a5c7312010-10-07 16:39:20 -07001088 u32 rx_dropped_misc;
Paul Stewartf4263c92011-03-31 09:25:41 -07001089 struct sta_bss_parameters bss_param;
Helmut Schaabb6e7532011-10-13 16:30:39 +02001090 struct nl80211_sta_flag_update sta_flags;
Johannes Bergf5ea9122009-08-07 16:17:38 +02001091
1092 int generation;
Jouni Malinen50d3dfb2011-08-08 12:11:52 +03001093
1094 const u8 *assoc_req_ies;
1095 size_t assoc_req_ies_len;
Jouni Malinenf612ced2011-08-11 11:46:22 +03001096
Paul Stewarta85e1d52011-12-09 11:01:49 -08001097 u32 beacon_loss_count;
Javier Cardonad299a1f2012-03-31 11:31:33 -07001098 s64 t_offset;
Marco Porsch3b1c5a52013-01-07 16:04:52 +01001099 enum nl80211_mesh_power_mode local_pm;
1100 enum nl80211_mesh_power_mode peer_pm;
1101 enum nl80211_mesh_power_mode nonpeer_pm;
Paul Stewarta85e1d52011-12-09 11:01:49 -08001102
Antonio Quartulli867d8492014-05-19 21:53:19 +02001103 u32 expected_throughput;
Johannes Berga76b1942014-11-17 14:12:22 +01001104
1105 u64 rx_beacon;
1106 u8 rx_beacon_signal_avg;
Johannes Berg6de39802014-12-19 12:34:00 +01001107 struct cfg80211_tid_stats pertid[IEEE80211_NUM_TIDS + 1];
Johannes Bergfd5b74d2007-12-19 02:03:36 +01001108};
1109
Michael Wu66f7ac52008-01-31 19:48:22 +01001110/**
Antonio Quartulli74063532014-05-19 21:53:21 +02001111 * cfg80211_get_station - retrieve information about a given station
1112 * @dev: the device where the station is supposed to be connected to
1113 * @mac_addr: the mac address of the station of interest
1114 * @sinfo: pointer to the structure to fill with the information
1115 *
1116 * Returns 0 on success and sinfo is filled with the available information
1117 * otherwise returns a negative error code and the content of sinfo has to be
1118 * considered undefined.
1119 */
1120int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr,
1121 struct station_info *sinfo);
1122
1123/**
Michael Wu66f7ac52008-01-31 19:48:22 +01001124 * enum monitor_flags - monitor flags
1125 *
1126 * Monitor interface configuration flags. Note that these must be the bits
1127 * according to the nl80211 flags.
1128 *
1129 * @MONITOR_FLAG_FCSFAIL: pass frames with bad FCS
1130 * @MONITOR_FLAG_PLCPFAIL: pass frames with bad PLCP
1131 * @MONITOR_FLAG_CONTROL: pass control frames
1132 * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering
1133 * @MONITOR_FLAG_COOK_FRAMES: report frames after processing
Felix Fietkaue057d3c2013-05-28 13:01:52 +02001134 * @MONITOR_FLAG_ACTIVE: active monitor, ACKs frames on its MAC address
Michael Wu66f7ac52008-01-31 19:48:22 +01001135 */
1136enum monitor_flags {
1137 MONITOR_FLAG_FCSFAIL = 1<<NL80211_MNTR_FLAG_FCSFAIL,
1138 MONITOR_FLAG_PLCPFAIL = 1<<NL80211_MNTR_FLAG_PLCPFAIL,
1139 MONITOR_FLAG_CONTROL = 1<<NL80211_MNTR_FLAG_CONTROL,
1140 MONITOR_FLAG_OTHER_BSS = 1<<NL80211_MNTR_FLAG_OTHER_BSS,
1141 MONITOR_FLAG_COOK_FRAMES = 1<<NL80211_MNTR_FLAG_COOK_FRAMES,
Felix Fietkaue057d3c2013-05-28 13:01:52 +02001142 MONITOR_FLAG_ACTIVE = 1<<NL80211_MNTR_FLAG_ACTIVE,
Michael Wu66f7ac52008-01-31 19:48:22 +01001143};
1144
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001145/**
1146 * enum mpath_info_flags - mesh path information flags
1147 *
1148 * Used by the driver to indicate which info in &struct mpath_info it has filled
1149 * in during get_station() or dump_station().
1150 *
Johannes Bergabe37c42010-06-07 11:12:27 +02001151 * @MPATH_INFO_FRAME_QLEN: @frame_qlen filled
1152 * @MPATH_INFO_SN: @sn filled
1153 * @MPATH_INFO_METRIC: @metric filled
1154 * @MPATH_INFO_EXPTIME: @exptime filled
1155 * @MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled
1156 * @MPATH_INFO_DISCOVERY_RETRIES: @discovery_retries filled
1157 * @MPATH_INFO_FLAGS: @flags filled
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001158 */
1159enum mpath_info_flags {
1160 MPATH_INFO_FRAME_QLEN = BIT(0),
Rui Paulod19b3bf2009-11-09 23:46:55 +00001161 MPATH_INFO_SN = BIT(1),
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001162 MPATH_INFO_METRIC = BIT(2),
1163 MPATH_INFO_EXPTIME = BIT(3),
1164 MPATH_INFO_DISCOVERY_TIMEOUT = BIT(4),
1165 MPATH_INFO_DISCOVERY_RETRIES = BIT(5),
1166 MPATH_INFO_FLAGS = BIT(6),
1167};
1168
1169/**
1170 * struct mpath_info - mesh path information
1171 *
1172 * Mesh path information filled by driver for get_mpath() and dump_mpath().
1173 *
1174 * @filled: bitfield of flags from &enum mpath_info_flags
1175 * @frame_qlen: number of queued frames for this destination
Rui Paulod19b3bf2009-11-09 23:46:55 +00001176 * @sn: target sequence number
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001177 * @metric: metric (cost) of this mesh path
1178 * @exptime: expiration time for the mesh path from now, in msecs
1179 * @flags: mesh path flags
1180 * @discovery_timeout: total mesh path discovery timeout, in msecs
1181 * @discovery_retries: mesh path discovery retries
Johannes Bergf5ea9122009-08-07 16:17:38 +02001182 * @generation: generation number for nl80211 dumps.
1183 * This number should increase every time the list of mesh paths
1184 * changes, i.e. when a station is added or removed, so that
1185 * userspace can tell whether it got a consistent snapshot.
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001186 */
1187struct mpath_info {
1188 u32 filled;
1189 u32 frame_qlen;
Rui Paulod19b3bf2009-11-09 23:46:55 +00001190 u32 sn;
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001191 u32 metric;
1192 u32 exptime;
1193 u32 discovery_timeout;
1194 u8 discovery_retries;
1195 u8 flags;
Johannes Bergf5ea9122009-08-07 16:17:38 +02001196
1197 int generation;
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001198};
1199
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001200/**
1201 * struct bss_parameters - BSS parameters
1202 *
1203 * Used to change BSS parameters (mainly for AP mode).
1204 *
1205 * @use_cts_prot: Whether to use CTS protection
1206 * (0 = no, 1 = yes, -1 = do not change)
1207 * @use_short_preamble: Whether the use of short preambles is allowed
1208 * (0 = no, 1 = yes, -1 = do not change)
1209 * @use_short_slot_time: Whether the use of short slot time is allowed
1210 * (0 = no, 1 = yes, -1 = do not change)
Jouni Malinen90c97a02008-10-30 16:59:22 +02001211 * @basic_rates: basic rates in IEEE 802.11 format
1212 * (or NULL for no change)
1213 * @basic_rates_len: number of basic rates
Felix Fietkaufd8aaaf2010-04-27 01:23:35 +02001214 * @ap_isolate: do not forward packets between connected stations
Helmut Schaa50b12f52010-11-19 12:40:25 +01001215 * @ht_opmode: HT Operation mode
1216 * (u16 = opmode, -1 = do not change)
Johannes Berg53cabad2012-11-14 15:17:28 +01001217 * @p2p_ctwindow: P2P CT Window (-1 = no change)
1218 * @p2p_opp_ps: P2P opportunistic PS (-1 = no change)
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001219 */
1220struct bss_parameters {
1221 int use_cts_prot;
1222 int use_short_preamble;
1223 int use_short_slot_time;
Johannes Bergc1e5f472014-05-19 17:53:16 +02001224 const u8 *basic_rates;
Jouni Malinen90c97a02008-10-30 16:59:22 +02001225 u8 basic_rates_len;
Felix Fietkaufd8aaaf2010-04-27 01:23:35 +02001226 int ap_isolate;
Helmut Schaa50b12f52010-11-19 12:40:25 +01001227 int ht_opmode;
Johannes Berg53cabad2012-11-14 15:17:28 +01001228 s8 p2p_ctwindow, p2p_opp_ps;
Jouni Malinen9f1ba902008-08-07 20:07:01 +03001229};
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01001230
Chun-Yeow Yeoh3ddd53f2012-06-11 11:59:10 +08001231/**
Johannes Berg29cbe682010-12-03 09:20:44 +01001232 * struct mesh_config - 802.11s mesh configuration
1233 *
1234 * These parameters can be changed while the mesh is active.
Chun-Yeow Yeoh3ddd53f2012-06-11 11:59:10 +08001235 *
1236 * @dot11MeshRetryTimeout: the initial retry timeout in millisecond units used
1237 * by the Mesh Peering Open message
1238 * @dot11MeshConfirmTimeout: the initial retry timeout in millisecond units
1239 * used by the Mesh Peering Open message
1240 * @dot11MeshHoldingTimeout: the confirm timeout in millisecond units used by
1241 * the mesh peering management to close a mesh peering
1242 * @dot11MeshMaxPeerLinks: the maximum number of peer links allowed on this
1243 * mesh interface
1244 * @dot11MeshMaxRetries: the maximum number of peer link open retries that can
1245 * be sent to establish a new peer link instance in a mesh
1246 * @dot11MeshTTL: the value of TTL field set at a source mesh STA
1247 * @element_ttl: the value of TTL field set at a mesh STA for path selection
1248 * elements
1249 * @auto_open_plinks: whether we should automatically open peer links when we
1250 * detect compatible mesh peers
1251 * @dot11MeshNbrOffsetMaxNeighbor: the maximum number of neighbors to
1252 * synchronize to for 11s default synchronization method
1253 * @dot11MeshHWMPmaxPREQretries: the number of action frames containing a PREQ
1254 * that an originator mesh STA can send to a particular path target
1255 * @path_refresh_time: how frequently to refresh mesh paths in milliseconds
1256 * @min_discovery_timeout: the minimum length of time to wait until giving up on
1257 * a path discovery in milliseconds
1258 * @dot11MeshHWMPactivePathTimeout: the time (in TUs) for which mesh STAs
1259 * receiving a PREQ shall consider the forwarding information from the
1260 * root to be valid. (TU = time unit)
1261 * @dot11MeshHWMPpreqMinInterval: the minimum interval of time (in TUs) during
1262 * which a mesh STA can send only one action frame containing a PREQ
1263 * element
1264 * @dot11MeshHWMPperrMinInterval: the minimum interval of time (in TUs) during
1265 * which a mesh STA can send only one Action frame containing a PERR
1266 * element
1267 * @dot11MeshHWMPnetDiameterTraversalTime: the interval of time (in TUs) that
1268 * it takes for an HWMP information element to propagate across the mesh
1269 * @dot11MeshHWMPRootMode: the configuration of a mesh STA as root mesh STA
1270 * @dot11MeshHWMPRannInterval: the interval of time (in TUs) between root
1271 * announcements are transmitted
1272 * @dot11MeshGateAnnouncementProtocol: whether to advertise that this mesh
1273 * station has access to a broader network beyond the MBSS. (This is
1274 * missnamed in draft 12.0: dot11MeshGateAnnouncementProtocol set to true
1275 * only means that the station will announce others it's a mesh gate, but
1276 * not necessarily using the gate announcement protocol. Still keeping the
1277 * same nomenclature to be in sync with the spec)
1278 * @dot11MeshForwarding: whether the Mesh STA is forwarding or non-forwarding
1279 * entity (default is TRUE - forwarding entity)
1280 * @rssi_threshold: the threshold for average signal strength of candidate
1281 * station to establish a peer link
1282 * @ht_opmode: mesh HT protection mode
Chun-Yeow Yeohac1073a2012-06-14 02:06:06 +08001283 *
1284 * @dot11MeshHWMPactivePathToRootTimeout: The time (in TUs) for which mesh STAs
1285 * receiving a proactive PREQ shall consider the forwarding information to
1286 * the root mesh STA to be valid.
1287 *
1288 * @dot11MeshHWMProotInterval: The interval of time (in TUs) between proactive
1289 * PREQs are transmitted.
Chun-Yeow Yeoh728b19e2012-06-14 02:06:10 +08001290 * @dot11MeshHWMPconfirmationInterval: The minimum interval of time (in TUs)
1291 * during which a mesh STA can send only one Action frame containing
1292 * a PREQ element for root path confirmation.
Marco Porsch3b1c5a52013-01-07 16:04:52 +01001293 * @power_mode: The default mesh power save mode which will be the initial
1294 * setting for new peer links.
1295 * @dot11MeshAwakeWindowDuration: The duration in TUs the STA will remain awake
1296 * after transmitting its beacon.
Colleen Twitty8e7c0532013-06-03 09:53:39 -07001297 * @plink_timeout: If no tx activity is seen from a STA we've established
1298 * peering with for longer than this time (in seconds), then remove it
1299 * from the STA's list of peers. Default is 30 minutes.
Johannes Berg29cbe682010-12-03 09:20:44 +01001300 */
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001301struct mesh_config {
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001302 u16 dot11MeshRetryTimeout;
1303 u16 dot11MeshConfirmTimeout;
1304 u16 dot11MeshHoldingTimeout;
1305 u16 dot11MeshMaxPeerLinks;
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +08001306 u8 dot11MeshMaxRetries;
1307 u8 dot11MeshTTL;
1308 u8 element_ttl;
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001309 bool auto_open_plinks;
Javier Cardonad299a1f2012-03-31 11:31:33 -07001310 u32 dot11MeshNbrOffsetMaxNeighbor;
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +08001311 u8 dot11MeshHWMPmaxPREQretries;
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001312 u32 path_refresh_time;
1313 u16 min_discovery_timeout;
1314 u32 dot11MeshHWMPactivePathTimeout;
1315 u16 dot11MeshHWMPpreqMinInterval;
Thomas Pedersendca7e942011-11-24 17:15:24 -08001316 u16 dot11MeshHWMPperrMinInterval;
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001317 u16 dot11MeshHWMPnetDiameterTraversalTime;
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +08001318 u8 dot11MeshHWMPRootMode;
Javier Cardona0507e152011-08-09 16:45:10 -07001319 u16 dot11MeshHWMPRannInterval;
Chun-Yeow Yeoha4f606e2012-06-11 11:59:36 +08001320 bool dot11MeshGateAnnouncementProtocol;
Chun-Yeow Yeoh94f90652012-01-21 01:02:16 +08001321 bool dot11MeshForwarding;
Ashok Nagarajan55335132012-02-28 17:04:08 -08001322 s32 rssi_threshold;
Ashok Nagarajan70c33ea2012-04-30 14:20:32 -07001323 u16 ht_opmode;
Chun-Yeow Yeohac1073a2012-06-14 02:06:06 +08001324 u32 dot11MeshHWMPactivePathToRootTimeout;
1325 u16 dot11MeshHWMProotInterval;
Chun-Yeow Yeoh728b19e2012-06-14 02:06:10 +08001326 u16 dot11MeshHWMPconfirmationInterval;
Marco Porsch3b1c5a52013-01-07 16:04:52 +01001327 enum nl80211_mesh_power_mode power_mode;
1328 u16 dot11MeshAwakeWindowDuration;
Colleen Twitty8e7c0532013-06-03 09:53:39 -07001329 u32 plink_timeout;
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07001330};
1331
Jouni Malinen31888482008-10-30 16:59:24 +02001332/**
Johannes Berg29cbe682010-12-03 09:20:44 +01001333 * struct mesh_setup - 802.11s mesh setup configuration
Johannes Berg683b6d32012-11-08 21:25:48 +01001334 * @chandef: defines the channel to use
Johannes Berg29cbe682010-12-03 09:20:44 +01001335 * @mesh_id: the mesh ID
1336 * @mesh_id_len: length of the mesh ID, at least 1 and at most 32 bytes
Javier Cardonad299a1f2012-03-31 11:31:33 -07001337 * @sync_method: which synchronization method to use
Javier Cardonac80d5452010-12-16 17:37:49 -08001338 * @path_sel_proto: which path selection protocol to use
1339 * @path_metric: which metric to use
Colleen Twitty6e16d902013-05-08 11:45:59 -07001340 * @auth_id: which authentication method this mesh is using
Javier Cardona581a8b02011-04-07 15:08:27 -07001341 * @ie: vendor information elements (optional)
1342 * @ie_len: length of vendor information elements
Javier Cardonab130e5c2011-05-03 16:57:07 -07001343 * @is_authenticated: this mesh requires authentication
1344 * @is_secure: this mesh uses security
Thomas Pedersenbb2798d2013-03-04 13:06:10 -08001345 * @user_mpm: userspace handles all MPM functions
Marco Porsch9bdbf042013-01-07 16:04:51 +01001346 * @dtim_period: DTIM period to use
1347 * @beacon_interval: beacon interval to use
Chun-Yeow Yeoh4bb62342011-11-24 17:15:20 -08001348 * @mcast_rate: multicat rate for Mesh Node [6Mbps is the default for 802.11a]
Ashok Nagarajanffb3cf32013-06-03 10:33:36 -07001349 * @basic_rates: basic rates to use when creating the mesh
Johannes Berg29cbe682010-12-03 09:20:44 +01001350 *
1351 * These parameters are fixed when the mesh is created.
1352 */
1353struct mesh_setup {
Johannes Berg683b6d32012-11-08 21:25:48 +01001354 struct cfg80211_chan_def chandef;
Johannes Berg29cbe682010-12-03 09:20:44 +01001355 const u8 *mesh_id;
1356 u8 mesh_id_len;
Javier Cardonad299a1f2012-03-31 11:31:33 -07001357 u8 sync_method;
1358 u8 path_sel_proto;
1359 u8 path_metric;
Colleen Twitty6e16d902013-05-08 11:45:59 -07001360 u8 auth_id;
Javier Cardona581a8b02011-04-07 15:08:27 -07001361 const u8 *ie;
1362 u8 ie_len;
Javier Cardonab130e5c2011-05-03 16:57:07 -07001363 bool is_authenticated;
Javier Cardona15d5dda2011-04-07 15:08:28 -07001364 bool is_secure;
Thomas Pedersenbb2798d2013-03-04 13:06:10 -08001365 bool user_mpm;
Marco Porsch9bdbf042013-01-07 16:04:51 +01001366 u8 dtim_period;
1367 u16 beacon_interval;
Chun-Yeow Yeoh4bb62342011-11-24 17:15:20 -08001368 int mcast_rate[IEEE80211_NUM_BANDS];
Ashok Nagarajanffb3cf32013-06-03 10:33:36 -07001369 u32 basic_rates;
Johannes Berg29cbe682010-12-03 09:20:44 +01001370};
1371
1372/**
Rostislav Lisovy6e0bd6c2014-11-03 10:33:18 +01001373 * struct ocb_setup - 802.11p OCB mode setup configuration
1374 * @chandef: defines the channel to use
1375 *
1376 * These parameters are fixed when connecting to the network
1377 */
1378struct ocb_setup {
1379 struct cfg80211_chan_def chandef;
1380};
1381
1382/**
Jouni Malinen31888482008-10-30 16:59:24 +02001383 * struct ieee80211_txq_params - TX queue parameters
Johannes Berga3304b02012-03-28 11:04:24 +02001384 * @ac: AC identifier
Jouni Malinen31888482008-10-30 16:59:24 +02001385 * @txop: Maximum burst time in units of 32 usecs, 0 meaning disabled
1386 * @cwmin: Minimum contention window [a value of the form 2^n-1 in the range
1387 * 1..32767]
1388 * @cwmax: Maximum contention window [a value of the form 2^n-1 in the range
1389 * 1..32767]
1390 * @aifs: Arbitration interframe space [0..255]
1391 */
1392struct ieee80211_txq_params {
Johannes Berga3304b02012-03-28 11:04:24 +02001393 enum nl80211_ac ac;
Jouni Malinen31888482008-10-30 16:59:24 +02001394 u16 txop;
1395 u16 cwmin;
1396 u16 cwmax;
1397 u8 aifs;
1398};
1399
Johannes Bergd70e9692010-08-19 16:11:27 +02001400/**
1401 * DOC: Scanning and BSS list handling
1402 *
1403 * The scanning process itself is fairly simple, but cfg80211 offers quite
1404 * a bit of helper functionality. To start a scan, the scan operation will
1405 * be invoked with a scan definition. This scan definition contains the
1406 * channels to scan, and the SSIDs to send probe requests for (including the
1407 * wildcard, if desired). A passive scan is indicated by having no SSIDs to
1408 * probe. Additionally, a scan request may contain extra information elements
1409 * that should be added to the probe request. The IEs are guaranteed to be
1410 * well-formed, and will not exceed the maximum length the driver advertised
1411 * in the wiphy structure.
1412 *
1413 * When scanning finds a BSS, cfg80211 needs to be notified of that, because
1414 * it is responsible for maintaining the BSS list; the driver should not
1415 * maintain a list itself. For this notification, various functions exist.
1416 *
1417 * Since drivers do not maintain a BSS list, there are also a number of
1418 * functions to search for a BSS and obtain information about it from the
1419 * BSS structure cfg80211 maintains. The BSS list is also made available
1420 * to userspace.
1421 */
Jouni Malinen72bdcf32008-11-26 16:15:24 +02001422
Johannes Berg704232c2007-04-23 12:20:05 -07001423/**
Johannes Berg2a519312009-02-10 21:25:55 +01001424 * struct cfg80211_ssid - SSID description
1425 * @ssid: the SSID
1426 * @ssid_len: length of the ssid
1427 */
1428struct cfg80211_ssid {
1429 u8 ssid[IEEE80211_MAX_SSID_LEN];
1430 u8 ssid_len;
1431};
1432
1433/**
1434 * struct cfg80211_scan_request - scan request description
1435 *
1436 * @ssids: SSIDs to scan for (active scan only)
1437 * @n_ssids: number of SSIDs
1438 * @channels: channels to scan on.
Helmut Schaaca3dbc22009-07-10 14:54:58 +02001439 * @n_channels: total number of channels to scan
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02001440 * @scan_width: channel width for scanning
Jouni Malinen70692ad2009-02-16 19:39:13 +02001441 * @ie: optional information element(s) to add into Probe Request or %NULL
1442 * @ie_len: length of ie in octets
Sam Lefflered4737712012-10-11 21:03:31 -07001443 * @flags: bit field of flags controlling operation
Johannes Berg34850ab2011-07-18 18:08:35 +02001444 * @rates: bitmap of rates to advertise for each band
Johannes Berg2a519312009-02-10 21:25:55 +01001445 * @wiphy: the wiphy this was for
Sam Leffler15d60302012-10-11 21:03:34 -07001446 * @scan_start: time (in jiffies) when the scan started
Johannes Bergfd014282012-06-18 19:17:03 +02001447 * @wdev: the wireless device to scan for
Johannes Bergabe37c42010-06-07 11:12:27 +02001448 * @aborted: (internal) scan request was notified as aborted
Johannes Berg5fe231e2013-05-08 21:45:15 +02001449 * @notified: (internal) scan request was notified as done or aborted
Rajkumar Manoharane9f935e2011-09-25 14:53:30 +05301450 * @no_cck: used to send probe requests at non CCK rate in 2GHz band
Johannes Bergad2b26a2014-06-12 21:39:05 +02001451 * @mac_addr: MAC address used with randomisation
1452 * @mac_addr_mask: MAC address mask used with randomisation, bits that
1453 * are 0 in the mask should be randomised, bits that are 1 should
1454 * be taken from the @mac_addr
Johannes Berg2a519312009-02-10 21:25:55 +01001455 */
1456struct cfg80211_scan_request {
1457 struct cfg80211_ssid *ssids;
1458 int n_ssids;
Johannes Berg2a519312009-02-10 21:25:55 +01001459 u32 n_channels;
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02001460 enum nl80211_bss_scan_width scan_width;
Johannes Bergde95a542009-04-01 11:58:36 +02001461 const u8 *ie;
Jouni Malinen70692ad2009-02-16 19:39:13 +02001462 size_t ie_len;
Sam Lefflered4737712012-10-11 21:03:31 -07001463 u32 flags;
Johannes Berg2a519312009-02-10 21:25:55 +01001464
Johannes Berg34850ab2011-07-18 18:08:35 +02001465 u32 rates[IEEE80211_NUM_BANDS];
1466
Johannes Bergfd014282012-06-18 19:17:03 +02001467 struct wireless_dev *wdev;
1468
Johannes Bergad2b26a2014-06-12 21:39:05 +02001469 u8 mac_addr[ETH_ALEN] __aligned(2);
1470 u8 mac_addr_mask[ETH_ALEN] __aligned(2);
1471
Johannes Berg2a519312009-02-10 21:25:55 +01001472 /* internal */
1473 struct wiphy *wiphy;
Sam Leffler15d60302012-10-11 21:03:34 -07001474 unsigned long scan_start;
Johannes Berg5fe231e2013-05-08 21:45:15 +02001475 bool aborted, notified;
Rajkumar Manoharane9f935e2011-09-25 14:53:30 +05301476 bool no_cck;
Johannes Berg5ba63532009-08-07 17:54:07 +02001477
1478 /* keep last */
1479 struct ieee80211_channel *channels[0];
Johannes Berg2a519312009-02-10 21:25:55 +01001480};
1481
Johannes Bergad2b26a2014-06-12 21:39:05 +02001482static inline void get_random_mask_addr(u8 *buf, const u8 *addr, const u8 *mask)
1483{
1484 int i;
1485
1486 get_random_bytes(buf, ETH_ALEN);
1487 for (i = 0; i < ETH_ALEN; i++) {
1488 buf[i] &= ~mask[i];
1489 buf[i] |= addr[i] & mask[i];
1490 }
1491}
1492
Johannes Berg2a519312009-02-10 21:25:55 +01001493/**
Luciano Coelhoa1f1c212011-08-31 16:01:48 +03001494 * struct cfg80211_match_set - sets of attributes to match
1495 *
Johannes Bergea73cbc2014-01-24 10:53:53 +01001496 * @ssid: SSID to be matched; may be zero-length for no match (RSSI only)
1497 * @rssi_thold: don't report scan results below this threshold (in s32 dBm)
Luciano Coelhoa1f1c212011-08-31 16:01:48 +03001498 */
1499struct cfg80211_match_set {
1500 struct cfg80211_ssid ssid;
Johannes Bergea73cbc2014-01-24 10:53:53 +01001501 s32 rssi_thold;
Luciano Coelhoa1f1c212011-08-31 16:01:48 +03001502};
1503
1504/**
Avraham Stern3b06d272015-10-12 09:51:34 +03001505 * struct cfg80211_sched_scan_plan - scan plan for scheduled scan
1506 *
1507 * @interval: interval between scheduled scan iterations. In seconds.
1508 * @iterations: number of scan iterations in this scan plan. Zero means
1509 * infinite loop.
1510 * The last scan plan will always have this parameter set to zero,
1511 * all other scan plans will have a finite number of iterations.
1512 */
1513struct cfg80211_sched_scan_plan {
1514 u32 interval;
1515 u32 iterations;
1516};
1517
1518/**
Luciano Coelho807f8a82011-05-11 17:09:35 +03001519 * struct cfg80211_sched_scan_request - scheduled scan request description
1520 *
1521 * @ssids: SSIDs to scan for (passed in the probe_reqs in active scans)
1522 * @n_ssids: number of SSIDs
1523 * @n_channels: total number of channels to scan
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02001524 * @scan_width: channel width for scanning
Luciano Coelho807f8a82011-05-11 17:09:35 +03001525 * @ie: optional information element(s) to add into Probe Request or %NULL
1526 * @ie_len: length of ie in octets
Sam Lefflered4737712012-10-11 21:03:31 -07001527 * @flags: bit field of flags controlling operation
Luciano Coelhoa1f1c212011-08-31 16:01:48 +03001528 * @match_sets: sets of parameters to be matched for a scan result
1529 * entry to be considered valid and to be passed to the host
1530 * (others are filtered out).
1531 * If ommited, all results are passed.
1532 * @n_match_sets: number of match sets
Luciano Coelho807f8a82011-05-11 17:09:35 +03001533 * @wiphy: the wiphy this was for
1534 * @dev: the interface
Johannes Berg077f8972013-02-08 09:06:36 +01001535 * @scan_start: start time of the scheduled scan
Luciano Coelho807f8a82011-05-11 17:09:35 +03001536 * @channels: channels to scan
Johannes Bergea73cbc2014-01-24 10:53:53 +01001537 * @min_rssi_thold: for drivers only supporting a single threshold, this
1538 * contains the minimum over all matchsets
Johannes Bergad2b26a2014-06-12 21:39:05 +02001539 * @mac_addr: MAC address used with randomisation
1540 * @mac_addr_mask: MAC address mask used with randomisation, bits that
1541 * are 0 in the mask should be randomised, bits that are 1 should
1542 * be taken from the @mac_addr
Avraham Stern3b06d272015-10-12 09:51:34 +03001543 * @scan_plans: scan plans to be executed in this scheduled scan. Lowest
1544 * index must be executed first.
1545 * @n_scan_plans: number of scan plans, at least 1.
Jukka Rissanen31a60ed2014-12-15 13:25:38 +02001546 * @rcu_head: RCU callback used to free the struct
Jukka Rissanen93a1e862014-12-15 13:25:39 +02001547 * @owner_nlportid: netlink portid of owner (if this should is a request
1548 * owned by a particular socket)
Luciano Coelho9c748932015-01-16 16:04:09 +02001549 * @delay: delay in seconds to use before starting the first scan
1550 * cycle. The driver may ignore this parameter and start
1551 * immediately (or at any other time), if this feature is not
1552 * supported.
Luciano Coelho807f8a82011-05-11 17:09:35 +03001553 */
1554struct cfg80211_sched_scan_request {
1555 struct cfg80211_ssid *ssids;
1556 int n_ssids;
1557 u32 n_channels;
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02001558 enum nl80211_bss_scan_width scan_width;
Luciano Coelho807f8a82011-05-11 17:09:35 +03001559 const u8 *ie;
1560 size_t ie_len;
Sam Lefflered4737712012-10-11 21:03:31 -07001561 u32 flags;
Luciano Coelhoa1f1c212011-08-31 16:01:48 +03001562 struct cfg80211_match_set *match_sets;
1563 int n_match_sets;
Johannes Bergea73cbc2014-01-24 10:53:53 +01001564 s32 min_rssi_thold;
Luciano Coelho9c748932015-01-16 16:04:09 +02001565 u32 delay;
Avraham Stern3b06d272015-10-12 09:51:34 +03001566 struct cfg80211_sched_scan_plan *scan_plans;
1567 int n_scan_plans;
Luciano Coelho807f8a82011-05-11 17:09:35 +03001568
Johannes Bergad2b26a2014-06-12 21:39:05 +02001569 u8 mac_addr[ETH_ALEN] __aligned(2);
1570 u8 mac_addr_mask[ETH_ALEN] __aligned(2);
1571
Luciano Coelho807f8a82011-05-11 17:09:35 +03001572 /* internal */
1573 struct wiphy *wiphy;
1574 struct net_device *dev;
Sam Leffler15d60302012-10-11 21:03:34 -07001575 unsigned long scan_start;
Jukka Rissanen31a60ed2014-12-15 13:25:38 +02001576 struct rcu_head rcu_head;
Jukka Rissanen93a1e862014-12-15 13:25:39 +02001577 u32 owner_nlportid;
Luciano Coelho807f8a82011-05-11 17:09:35 +03001578
1579 /* keep last */
1580 struct ieee80211_channel *channels[0];
1581};
1582
1583/**
Johannes Berg2a519312009-02-10 21:25:55 +01001584 * enum cfg80211_signal_type - signal type
1585 *
1586 * @CFG80211_SIGNAL_TYPE_NONE: no signal strength information available
1587 * @CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm)
1588 * @CFG80211_SIGNAL_TYPE_UNSPEC: signal strength, increasing from 0 through 100
1589 */
1590enum cfg80211_signal_type {
1591 CFG80211_SIGNAL_TYPE_NONE,
1592 CFG80211_SIGNAL_TYPE_MBM,
1593 CFG80211_SIGNAL_TYPE_UNSPEC,
1594};
1595
1596/**
Dmitry Shmidt6e19bc42015-10-07 11:32:53 +02001597 * struct cfg80211_inform_bss - BSS inform data
1598 * @chan: channel the frame was received on
1599 * @scan_width: scan width that was used
1600 * @signal: signal strength value, according to the wiphy's
1601 * signal type
1602 * @boottime_ns: timestamp (CLOCK_BOOTTIME) when the information was
1603 * received; should match the time when the frame was actually
1604 * received by the device (not just by the host, in case it was
1605 * buffered on the device) and be accurate to about 10ms.
1606 * If the frame isn't buffered, just passing the return value of
1607 * ktime_get_boot_ns() is likely appropriate.
1608 */
1609struct cfg80211_inform_bss {
1610 struct ieee80211_channel *chan;
1611 enum nl80211_bss_scan_width scan_width;
1612 s32 signal;
1613 u64 boottime_ns;
1614};
1615
1616/**
Johannes Berg9caf0362012-11-29 01:25:20 +01001617 * struct cfg80211_bss_ie_data - BSS entry IE data
Johannes Berg8cef2c92013-02-05 16:54:31 +01001618 * @tsf: TSF contained in the frame that carried these IEs
Johannes Berg9caf0362012-11-29 01:25:20 +01001619 * @rcu_head: internal use, for freeing
1620 * @len: length of the IEs
Johannes Berg0e227082014-08-12 20:34:30 +02001621 * @from_beacon: these IEs are known to come from a beacon
Johannes Berg9caf0362012-11-29 01:25:20 +01001622 * @data: IE data
1623 */
1624struct cfg80211_bss_ies {
Johannes Berg8cef2c92013-02-05 16:54:31 +01001625 u64 tsf;
Johannes Berg9caf0362012-11-29 01:25:20 +01001626 struct rcu_head rcu_head;
1627 int len;
Johannes Berg0e227082014-08-12 20:34:30 +02001628 bool from_beacon;
Johannes Berg9caf0362012-11-29 01:25:20 +01001629 u8 data[];
1630};
1631
1632/**
Johannes Berg2a519312009-02-10 21:25:55 +01001633 * struct cfg80211_bss - BSS description
1634 *
1635 * This structure describes a BSS (which may also be a mesh network)
1636 * for use in scan results and similar.
1637 *
Johannes Bergabe37c42010-06-07 11:12:27 +02001638 * @channel: channel this BSS is on
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02001639 * @scan_width: width of the control channel
Johannes Berg2a519312009-02-10 21:25:55 +01001640 * @bssid: BSSID of the BSS
Johannes Berg2a519312009-02-10 21:25:55 +01001641 * @beacon_interval: the beacon interval as from the frame
1642 * @capability: the capability field in host byte order
Johannes Berg83c7aa12013-02-05 16:51:29 +01001643 * @ies: the information elements (Note that there is no guarantee that these
1644 * are well-formed!); this is a pointer to either the beacon_ies or
1645 * proberesp_ies depending on whether Probe Response frame has been
1646 * received. It is always non-%NULL.
Jouni Malinen34a6edd2010-01-06 16:19:24 +02001647 * @beacon_ies: the information elements from the last Beacon frame
Johannes Berg776b3582013-02-01 02:06:18 +01001648 * (implementation note: if @hidden_beacon_bss is set this struct doesn't
1649 * own the beacon_ies, but they're just pointers to the ones from the
1650 * @hidden_beacon_bss struct)
Jouni Malinen34a6edd2010-01-06 16:19:24 +02001651 * @proberesp_ies: the information elements from the last Probe Response frame
Johannes Berg776b3582013-02-01 02:06:18 +01001652 * @hidden_beacon_bss: in case this BSS struct represents a probe response from
1653 * a BSS that hides the SSID in its beacon, this points to the BSS struct
1654 * that holds the beacon data. @beacon_ies is still valid, of course, and
1655 * points to the same data as hidden_beacon_bss->beacon_ies in that case.
Johannes Berg77965c92009-02-18 18:45:06 +01001656 * @signal: signal strength value (type depends on the wiphy's signal_type)
Johannes Berg2a519312009-02-10 21:25:55 +01001657 * @priv: private area for driver use, has at least wiphy->bss_priv_size bytes
1658 */
1659struct cfg80211_bss {
1660 struct ieee80211_channel *channel;
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02001661 enum nl80211_bss_scan_width scan_width;
Johannes Berg2a519312009-02-10 21:25:55 +01001662
Johannes Berg9caf0362012-11-29 01:25:20 +01001663 const struct cfg80211_bss_ies __rcu *ies;
1664 const struct cfg80211_bss_ies __rcu *beacon_ies;
1665 const struct cfg80211_bss_ies __rcu *proberesp_ies;
1666
Johannes Berg776b3582013-02-01 02:06:18 +01001667 struct cfg80211_bss *hidden_beacon_bss;
Johannes Berg2a519312009-02-10 21:25:55 +01001668
1669 s32 signal;
Johannes Berg2a519312009-02-10 21:25:55 +01001670
Johannes Berg9caf0362012-11-29 01:25:20 +01001671 u16 beacon_interval;
1672 u16 capability;
1673
1674 u8 bssid[ETH_ALEN];
1675
Johannes Berg1c06ef92012-12-28 12:22:02 +01001676 u8 priv[0] __aligned(sizeof(void *));
Johannes Berg2a519312009-02-10 21:25:55 +01001677};
1678
1679/**
Johannes Berg517357c2009-07-02 17:18:40 +02001680 * ieee80211_bss_get_ie - find IE with given ID
1681 * @bss: the bss to search
1682 * @ie: the IE ID
Johannes Berg9caf0362012-11-29 01:25:20 +01001683 *
1684 * Note that the return value is an RCU-protected pointer, so
1685 * rcu_read_lock() must be held when calling this function.
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01001686 * Return: %NULL if not found.
Johannes Berg517357c2009-07-02 17:18:40 +02001687 */
1688const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie);
1689
1690
1691/**
Jouni Malinen636a5d32009-03-19 13:39:22 +02001692 * struct cfg80211_auth_request - Authentication request data
1693 *
1694 * This structure provides information needed to complete IEEE 802.11
1695 * authentication.
Jouni Malinen636a5d32009-03-19 13:39:22 +02001696 *
Johannes Berg959867f2013-06-19 13:05:42 +02001697 * @bss: The BSS to authenticate with, the callee must obtain a reference
1698 * to it if it needs to keep it.
Jouni Malinen636a5d32009-03-19 13:39:22 +02001699 * @auth_type: Authentication type (algorithm)
1700 * @ie: Extra IEs to add to Authentication frame or %NULL
1701 * @ie_len: Length of ie buffer in octets
Johannes Bergfffd0932009-07-08 14:22:54 +02001702 * @key_len: length of WEP key for shared key authentication
1703 * @key_idx: index of WEP key for shared key authentication
1704 * @key: WEP key for shared key authentication
Jouni Malinene39e5b52012-09-30 19:29:39 +03001705 * @sae_data: Non-IE data to use with SAE or %NULL. This starts with
1706 * Authentication transaction sequence number field.
1707 * @sae_data_len: Length of sae_data buffer in octets
Jouni Malinen636a5d32009-03-19 13:39:22 +02001708 */
1709struct cfg80211_auth_request {
Johannes Berg19957bb2009-07-02 17:20:43 +02001710 struct cfg80211_bss *bss;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001711 const u8 *ie;
1712 size_t ie_len;
Johannes Berg19957bb2009-07-02 17:20:43 +02001713 enum nl80211_auth_type auth_type;
Johannes Bergfffd0932009-07-08 14:22:54 +02001714 const u8 *key;
1715 u8 key_len, key_idx;
Jouni Malinene39e5b52012-09-30 19:29:39 +03001716 const u8 *sae_data;
1717 size_t sae_data_len;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001718};
1719
1720/**
Ben Greear7e7c8922011-11-18 11:31:59 -08001721 * enum cfg80211_assoc_req_flags - Over-ride default behaviour in association.
1722 *
1723 * @ASSOC_REQ_DISABLE_HT: Disable HT (802.11n)
Johannes Bergee2aca32013-02-21 17:36:01 +01001724 * @ASSOC_REQ_DISABLE_VHT: Disable VHT
Assaf Kraussbab5ab72014-09-03 15:25:01 +03001725 * @ASSOC_REQ_USE_RRM: Declare RRM capability in this association
Ben Greear7e7c8922011-11-18 11:31:59 -08001726 */
1727enum cfg80211_assoc_req_flags {
1728 ASSOC_REQ_DISABLE_HT = BIT(0),
Johannes Bergee2aca32013-02-21 17:36:01 +01001729 ASSOC_REQ_DISABLE_VHT = BIT(1),
Assaf Kraussbab5ab72014-09-03 15:25:01 +03001730 ASSOC_REQ_USE_RRM = BIT(2),
Ben Greear7e7c8922011-11-18 11:31:59 -08001731};
1732
1733/**
Jouni Malinen636a5d32009-03-19 13:39:22 +02001734 * struct cfg80211_assoc_request - (Re)Association request data
1735 *
1736 * This structure provides information needed to complete IEEE 802.11
1737 * (re)association.
Johannes Berg959867f2013-06-19 13:05:42 +02001738 * @bss: The BSS to associate with. If the call is successful the driver is
1739 * given a reference that it must give back to cfg80211_send_rx_assoc()
1740 * or to cfg80211_assoc_timeout(). To ensure proper refcounting, new
1741 * association requests while already associating must be rejected.
Jouni Malinen636a5d32009-03-19 13:39:22 +02001742 * @ie: Extra IEs to add to (Re)Association Request frame or %NULL
1743 * @ie_len: Length of ie buffer in octets
Jouni Malinendc6382c2009-05-06 22:09:37 +03001744 * @use_mfp: Use management frame protection (IEEE 802.11w) in this association
Samuel Ortizb23aa672009-07-01 21:26:54 +02001745 * @crypto: crypto settings
Johannes Berg3e5d7642009-07-07 14:37:26 +02001746 * @prev_bssid: previous BSSID, if not %NULL use reassociate frame
Ben Greear7e7c8922011-11-18 11:31:59 -08001747 * @flags: See &enum cfg80211_assoc_req_flags
1748 * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
Johannes Bergad24b0d2013-07-05 11:53:28 +02001749 * will be used in ht_capa. Un-supported values will be ignored.
Ben Greear7e7c8922011-11-18 11:31:59 -08001750 * @ht_capa_mask: The bits of ht_capa which are to be used.
Johannes Bergee2aca32013-02-21 17:36:01 +01001751 * @vht_capa: VHT capability override
1752 * @vht_capa_mask: VHT capability mask indicating which fields to use
Jouni Malinen636a5d32009-03-19 13:39:22 +02001753 */
1754struct cfg80211_assoc_request {
Johannes Berg19957bb2009-07-02 17:20:43 +02001755 struct cfg80211_bss *bss;
Johannes Berg3e5d7642009-07-07 14:37:26 +02001756 const u8 *ie, *prev_bssid;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001757 size_t ie_len;
Samuel Ortizb23aa672009-07-01 21:26:54 +02001758 struct cfg80211_crypto_settings crypto;
Johannes Berg19957bb2009-07-02 17:20:43 +02001759 bool use_mfp;
Ben Greear7e7c8922011-11-18 11:31:59 -08001760 u32 flags;
1761 struct ieee80211_ht_cap ht_capa;
1762 struct ieee80211_ht_cap ht_capa_mask;
Johannes Bergee2aca32013-02-21 17:36:01 +01001763 struct ieee80211_vht_cap vht_capa, vht_capa_mask;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001764};
1765
1766/**
1767 * struct cfg80211_deauth_request - Deauthentication request data
1768 *
1769 * This structure provides information needed to complete IEEE 802.11
1770 * deauthentication.
1771 *
Johannes Berg95de8172012-01-20 13:55:25 +01001772 * @bssid: the BSSID of the BSS to deauthenticate from
Jouni Malinen636a5d32009-03-19 13:39:22 +02001773 * @ie: Extra IEs to add to Deauthentication frame or %NULL
1774 * @ie_len: Length of ie buffer in octets
Johannes Berg19957bb2009-07-02 17:20:43 +02001775 * @reason_code: The reason code for the deauthentication
Johannes Berg077f8972013-02-08 09:06:36 +01001776 * @local_state_change: if set, change local state only and
1777 * do not set a deauth frame
Jouni Malinen636a5d32009-03-19 13:39:22 +02001778 */
1779struct cfg80211_deauth_request {
Johannes Berg95de8172012-01-20 13:55:25 +01001780 const u8 *bssid;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001781 const u8 *ie;
1782 size_t ie_len;
Johannes Berg19957bb2009-07-02 17:20:43 +02001783 u16 reason_code;
Stanislaw Gruszka68632552012-10-15 14:52:41 +02001784 bool local_state_change;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001785};
1786
1787/**
1788 * struct cfg80211_disassoc_request - Disassociation request data
1789 *
1790 * This structure provides information needed to complete IEEE 802.11
1791 * disassocation.
1792 *
Johannes Berg19957bb2009-07-02 17:20:43 +02001793 * @bss: the BSS to disassociate from
Jouni Malinen636a5d32009-03-19 13:39:22 +02001794 * @ie: Extra IEs to add to Disassociation frame or %NULL
1795 * @ie_len: Length of ie buffer in octets
Johannes Berg19957bb2009-07-02 17:20:43 +02001796 * @reason_code: The reason code for the disassociation
Jouni Malinend5cdfac2010-04-04 09:37:19 +03001797 * @local_state_change: This is a request for a local state only, i.e., no
1798 * Disassociation frame is to be transmitted.
Jouni Malinen636a5d32009-03-19 13:39:22 +02001799 */
1800struct cfg80211_disassoc_request {
Johannes Berg19957bb2009-07-02 17:20:43 +02001801 struct cfg80211_bss *bss;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001802 const u8 *ie;
1803 size_t ie_len;
Johannes Berg19957bb2009-07-02 17:20:43 +02001804 u16 reason_code;
Jouni Malinend5cdfac2010-04-04 09:37:19 +03001805 bool local_state_change;
Jouni Malinen636a5d32009-03-19 13:39:22 +02001806};
1807
1808/**
Johannes Berg04a773a2009-04-19 21:24:32 +02001809 * struct cfg80211_ibss_params - IBSS parameters
1810 *
1811 * This structure defines the IBSS parameters for the join_ibss()
1812 * method.
1813 *
1814 * @ssid: The SSID, will always be non-null.
1815 * @ssid_len: The length of the SSID, will always be non-zero.
1816 * @bssid: Fixed BSSID requested, maybe be %NULL, if set do not
1817 * search for IBSSs with a different BSSID.
Johannes Berg683b6d32012-11-08 21:25:48 +01001818 * @chandef: defines the channel to use if no other IBSS to join can be found
Johannes Berg04a773a2009-04-19 21:24:32 +02001819 * @channel_fixed: The channel should be fixed -- do not search for
1820 * IBSSs to join on other channels.
1821 * @ie: information element(s) to include in the beacon
1822 * @ie_len: length of that
Johannes Berg8e30bc52009-04-22 17:45:38 +02001823 * @beacon_interval: beacon interval to use
Johannes Bergfffd0932009-07-08 14:22:54 +02001824 * @privacy: this is a protected network, keys will be configured
1825 * after joining
Antonio Quartulli267335d2012-01-31 20:25:47 +01001826 * @control_port: whether user space controls IEEE 802.1X port, i.e.,
1827 * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is
1828 * required to assume that the port is unauthorized until authorized by
1829 * user space. Otherwise, port is marked authorized by default.
Simon Wunderlich5336fa82013-10-07 18:41:05 +02001830 * @userspace_handles_dfs: whether user space controls DFS operation, i.e.
1831 * changes the channel when a radar is detected. This is required
1832 * to operate on DFS channels.
Teemu Paasikivifbd2c8d2010-06-14 12:55:31 +03001833 * @basic_rates: bitmap of basic rates to use when creating the IBSS
Felix Fietkaudd5b4cc2010-11-22 20:58:24 +01001834 * @mcast_rate: per-band multicast rate index + 1 (0: disabled)
Simon Wunderlich803768f2013-06-28 10:39:58 +02001835 * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
Johannes Bergad24b0d2013-07-05 11:53:28 +02001836 * will be used in ht_capa. Un-supported values will be ignored.
Simon Wunderlich803768f2013-06-28 10:39:58 +02001837 * @ht_capa_mask: The bits of ht_capa which are to be used.
Johannes Berg04a773a2009-04-19 21:24:32 +02001838 */
1839struct cfg80211_ibss_params {
Johannes Bergc1e5f472014-05-19 17:53:16 +02001840 const u8 *ssid;
1841 const u8 *bssid;
Johannes Berg683b6d32012-11-08 21:25:48 +01001842 struct cfg80211_chan_def chandef;
Johannes Bergc1e5f472014-05-19 17:53:16 +02001843 const u8 *ie;
Johannes Berg04a773a2009-04-19 21:24:32 +02001844 u8 ssid_len, ie_len;
Johannes Berg8e30bc52009-04-22 17:45:38 +02001845 u16 beacon_interval;
Teemu Paasikivifbd2c8d2010-06-14 12:55:31 +03001846 u32 basic_rates;
Johannes Berg04a773a2009-04-19 21:24:32 +02001847 bool channel_fixed;
Johannes Bergfffd0932009-07-08 14:22:54 +02001848 bool privacy;
Antonio Quartulli267335d2012-01-31 20:25:47 +01001849 bool control_port;
Simon Wunderlich5336fa82013-10-07 18:41:05 +02001850 bool userspace_handles_dfs;
Felix Fietkaudd5b4cc2010-11-22 20:58:24 +01001851 int mcast_rate[IEEE80211_NUM_BANDS];
Simon Wunderlich803768f2013-06-28 10:39:58 +02001852 struct ieee80211_ht_cap ht_capa;
1853 struct ieee80211_ht_cap ht_capa_mask;
Johannes Berg04a773a2009-04-19 21:24:32 +02001854};
1855
1856/**
Samuel Ortizb23aa672009-07-01 21:26:54 +02001857 * struct cfg80211_connect_params - Connection parameters
1858 *
1859 * This structure provides information needed to complete IEEE 802.11
1860 * authentication and association.
1861 *
1862 * @channel: The channel to use or %NULL if not specified (auto-select based
1863 * on scan results)
Jouni Malinen1df4a512014-01-15 00:00:47 +02001864 * @channel_hint: The channel of the recommended BSS for initial connection or
1865 * %NULL if not specified
Samuel Ortizb23aa672009-07-01 21:26:54 +02001866 * @bssid: The AP BSSID or %NULL if not specified (auto-select based on scan
1867 * results)
Jouni Malinen1df4a512014-01-15 00:00:47 +02001868 * @bssid_hint: The recommended AP BSSID for initial connection to the BSS or
1869 * %NULL if not specified. Unlike the @bssid parameter, the driver is
1870 * allowed to ignore this @bssid_hint if it has knowledge of a better BSS
1871 * to use.
Samuel Ortizb23aa672009-07-01 21:26:54 +02001872 * @ssid: SSID
1873 * @ssid_len: Length of ssid in octets
1874 * @auth_type: Authentication type (algorithm)
Johannes Bergabe37c42010-06-07 11:12:27 +02001875 * @ie: IEs for association request
1876 * @ie_len: Length of assoc_ie in octets
Samuel Ortizb23aa672009-07-01 21:26:54 +02001877 * @privacy: indicates whether privacy-enabled APs should be used
Jouni Malinencee00a92013-01-15 17:15:57 +02001878 * @mfp: indicate whether management frame protection is used
Samuel Ortizb23aa672009-07-01 21:26:54 +02001879 * @crypto: crypto settings
Johannes Bergfffd0932009-07-08 14:22:54 +02001880 * @key_len: length of WEP key for shared key authentication
1881 * @key_idx: index of WEP key for shared key authentication
1882 * @key: WEP key for shared key authentication
Ben Greear7e7c8922011-11-18 11:31:59 -08001883 * @flags: See &enum cfg80211_assoc_req_flags
Bala Shanmugam4486ea92012-03-07 17:27:12 +05301884 * @bg_scan_period: Background scan period in seconds
Johannes Bergad24b0d2013-07-05 11:53:28 +02001885 * or -1 to indicate that default value is to be used.
Ben Greear7e7c8922011-11-18 11:31:59 -08001886 * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask
Johannes Bergad24b0d2013-07-05 11:53:28 +02001887 * will be used in ht_capa. Un-supported values will be ignored.
Ben Greear7e7c8922011-11-18 11:31:59 -08001888 * @ht_capa_mask: The bits of ht_capa which are to be used.
Johannes Bergee2aca32013-02-21 17:36:01 +01001889 * @vht_capa: VHT Capability overrides
1890 * @vht_capa_mask: The bits of vht_capa which are to be used.
Samuel Ortizb23aa672009-07-01 21:26:54 +02001891 */
1892struct cfg80211_connect_params {
1893 struct ieee80211_channel *channel;
Jouni Malinen1df4a512014-01-15 00:00:47 +02001894 struct ieee80211_channel *channel_hint;
Jouni Malinen664834d2014-01-15 00:01:44 +02001895 const u8 *bssid;
Jouni Malinen1df4a512014-01-15 00:00:47 +02001896 const u8 *bssid_hint;
Jouni Malinen664834d2014-01-15 00:01:44 +02001897 const u8 *ssid;
Samuel Ortizb23aa672009-07-01 21:26:54 +02001898 size_t ssid_len;
1899 enum nl80211_auth_type auth_type;
Johannes Berg4b5800f2014-01-15 14:55:59 +01001900 const u8 *ie;
Samuel Ortizb23aa672009-07-01 21:26:54 +02001901 size_t ie_len;
1902 bool privacy;
Jouni Malinencee00a92013-01-15 17:15:57 +02001903 enum nl80211_mfp mfp;
Samuel Ortizb23aa672009-07-01 21:26:54 +02001904 struct cfg80211_crypto_settings crypto;
Johannes Bergfffd0932009-07-08 14:22:54 +02001905 const u8 *key;
1906 u8 key_len, key_idx;
Ben Greear7e7c8922011-11-18 11:31:59 -08001907 u32 flags;
Bala Shanmugam4486ea92012-03-07 17:27:12 +05301908 int bg_scan_period;
Ben Greear7e7c8922011-11-18 11:31:59 -08001909 struct ieee80211_ht_cap ht_capa;
1910 struct ieee80211_ht_cap ht_capa_mask;
Johannes Bergee2aca32013-02-21 17:36:01 +01001911 struct ieee80211_vht_cap vht_capa;
1912 struct ieee80211_vht_cap vht_capa_mask;
Samuel Ortizb23aa672009-07-01 21:26:54 +02001913};
1914
1915/**
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001916 * enum wiphy_params_flags - set_wiphy_params bitfield values
Johannes Bergabe37c42010-06-07 11:12:27 +02001917 * @WIPHY_PARAM_RETRY_SHORT: wiphy->retry_short has changed
1918 * @WIPHY_PARAM_RETRY_LONG: wiphy->retry_long has changed
1919 * @WIPHY_PARAM_FRAG_THRESHOLD: wiphy->frag_threshold has changed
1920 * @WIPHY_PARAM_RTS_THRESHOLD: wiphy->rts_threshold has changed
1921 * @WIPHY_PARAM_COVERAGE_CLASS: coverage class changed
Lorenzo Bianconi3057dbf2014-09-04 23:57:40 +02001922 * @WIPHY_PARAM_DYN_ACK: dynack has been enabled
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001923 */
1924enum wiphy_params_flags {
1925 WIPHY_PARAM_RETRY_SHORT = 1 << 0,
1926 WIPHY_PARAM_RETRY_LONG = 1 << 1,
1927 WIPHY_PARAM_FRAG_THRESHOLD = 1 << 2,
1928 WIPHY_PARAM_RTS_THRESHOLD = 1 << 3,
Lukáš Turek81077e82009-12-21 22:50:47 +01001929 WIPHY_PARAM_COVERAGE_CLASS = 1 << 4,
Lorenzo Bianconi3057dbf2014-09-04 23:57:40 +02001930 WIPHY_PARAM_DYN_ACK = 1 << 5,
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02001931};
1932
Johannes Berg99303802009-07-01 21:26:59 +02001933/*
1934 * cfg80211_bitrate_mask - masks for bitrate control
1935 */
1936struct cfg80211_bitrate_mask {
Johannes Berg99303802009-07-01 21:26:59 +02001937 struct {
1938 u32 legacy;
Janusz Dziedzicd1e33e62013-12-05 10:02:15 +01001939 u8 ht_mcs[IEEE80211_HT_MCS_MASK_LEN];
Janusz Dziedzic204e35a2013-12-05 20:42:58 +01001940 u16 vht_mcs[NL80211_VHT_NSS_MAX];
Janusz Dziedzic0b9323f2014-01-08 08:46:02 +01001941 enum nl80211_txrate_gi gi;
Johannes Berg99303802009-07-01 21:26:59 +02001942 } control[IEEE80211_NUM_BANDS];
Johannes Berg99303802009-07-01 21:26:59 +02001943};
Samuel Ortiz67fbb162009-11-24 23:59:15 +01001944/**
1945 * struct cfg80211_pmksa - PMK Security Association
1946 *
1947 * This structure is passed to the set/del_pmksa() method for PMKSA
1948 * caching.
1949 *
1950 * @bssid: The AP's BSSID.
1951 * @pmkid: The PMK material itself.
1952 */
1953struct cfg80211_pmksa {
Johannes Bergc1e5f472014-05-19 17:53:16 +02001954 const u8 *bssid;
1955 const u8 *pmkid;
Samuel Ortiz67fbb162009-11-24 23:59:15 +01001956};
Johannes Berg99303802009-07-01 21:26:59 +02001957
Johannes Berg7643a2c2009-06-02 13:01:39 +02001958/**
Amitkumar Karwar50ac6602013-06-25 19:03:56 -07001959 * struct cfg80211_pkt_pattern - packet pattern
Johannes Bergff1b6e62011-05-04 15:37:28 +02001960 * @mask: bitmask where to match pattern and where to ignore bytes,
1961 * one bit per byte, in same format as nl80211
1962 * @pattern: bytes to match where bitmask is 1
1963 * @pattern_len: length of pattern (in bytes)
Amitkumar Karwarbb92d192013-02-12 12:16:26 -08001964 * @pkt_offset: packet offset (in bytes)
Johannes Bergff1b6e62011-05-04 15:37:28 +02001965 *
1966 * Internal note: @mask and @pattern are allocated in one chunk of
1967 * memory, free @mask only!
1968 */
Amitkumar Karwar50ac6602013-06-25 19:03:56 -07001969struct cfg80211_pkt_pattern {
Johannes Berg922bd802014-05-19 17:59:50 +02001970 const u8 *mask, *pattern;
Johannes Bergff1b6e62011-05-04 15:37:28 +02001971 int pattern_len;
Amitkumar Karwarbb92d192013-02-12 12:16:26 -08001972 int pkt_offset;
Johannes Bergff1b6e62011-05-04 15:37:28 +02001973};
1974
1975/**
Johannes Berg2a0e0472013-01-23 22:57:40 +01001976 * struct cfg80211_wowlan_tcp - TCP connection parameters
1977 *
1978 * @sock: (internal) socket for source port allocation
1979 * @src: source IP address
1980 * @dst: destination IP address
1981 * @dst_mac: destination MAC address
1982 * @src_port: source port
1983 * @dst_port: destination port
1984 * @payload_len: data payload length
1985 * @payload: data payload buffer
1986 * @payload_seq: payload sequence stamping configuration
1987 * @data_interval: interval at which to send data packets
1988 * @wake_len: wakeup payload match length
1989 * @wake_data: wakeup payload match data
1990 * @wake_mask: wakeup payload match mask
1991 * @tokens_size: length of the tokens buffer
1992 * @payload_tok: payload token usage configuration
1993 */
1994struct cfg80211_wowlan_tcp {
1995 struct socket *sock;
1996 __be32 src, dst;
1997 u16 src_port, dst_port;
1998 u8 dst_mac[ETH_ALEN];
1999 int payload_len;
2000 const u8 *payload;
2001 struct nl80211_wowlan_tcp_data_seq payload_seq;
2002 u32 data_interval;
2003 u32 wake_len;
2004 const u8 *wake_data, *wake_mask;
2005 u32 tokens_size;
2006 /* must be last, variable member */
2007 struct nl80211_wowlan_tcp_data_token payload_tok;
Johannes Bergff1b6e62011-05-04 15:37:28 +02002008};
2009
2010/**
2011 * struct cfg80211_wowlan - Wake on Wireless-LAN support info
2012 *
2013 * This structure defines the enabled WoWLAN triggers for the device.
2014 * @any: wake up on any activity -- special trigger if device continues
2015 * operating as normal during suspend
2016 * @disconnect: wake up if getting disconnected
2017 * @magic_pkt: wake up on receiving magic packet
2018 * @patterns: wake up on receiving packet matching a pattern
2019 * @n_patterns: number of patterns
Johannes Berg77dbbb12011-07-13 10:48:55 +02002020 * @gtk_rekey_failure: wake up on GTK rekey failure
2021 * @eap_identity_req: wake up on EAP identity request packet
2022 * @four_way_handshake: wake up on 4-way handshake
2023 * @rfkill_release: wake up when rfkill is released
Johannes Berg2a0e0472013-01-23 22:57:40 +01002024 * @tcp: TCP connection establishment/wakeup parameters, see nl80211.h.
2025 * NULL if not configured.
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002026 * @nd_config: configuration for the scan to be used for net detect wake.
Johannes Bergff1b6e62011-05-04 15:37:28 +02002027 */
2028struct cfg80211_wowlan {
Johannes Berg77dbbb12011-07-13 10:48:55 +02002029 bool any, disconnect, magic_pkt, gtk_rekey_failure,
2030 eap_identity_req, four_way_handshake,
2031 rfkill_release;
Amitkumar Karwar50ac6602013-06-25 19:03:56 -07002032 struct cfg80211_pkt_pattern *patterns;
Johannes Berg2a0e0472013-01-23 22:57:40 +01002033 struct cfg80211_wowlan_tcp *tcp;
Johannes Bergff1b6e62011-05-04 15:37:28 +02002034 int n_patterns;
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002035 struct cfg80211_sched_scan_request *nd_config;
Johannes Bergff1b6e62011-05-04 15:37:28 +02002036};
2037
2038/**
Amitkumar Karwarbe29b992013-06-28 11:51:26 -07002039 * struct cfg80211_coalesce_rules - Coalesce rule parameters
2040 *
2041 * This structure defines coalesce rule for the device.
2042 * @delay: maximum coalescing delay in msecs.
2043 * @condition: condition for packet coalescence.
2044 * see &enum nl80211_coalesce_condition.
2045 * @patterns: array of packet patterns
2046 * @n_patterns: number of patterns
2047 */
2048struct cfg80211_coalesce_rules {
2049 int delay;
2050 enum nl80211_coalesce_condition condition;
2051 struct cfg80211_pkt_pattern *patterns;
2052 int n_patterns;
2053};
2054
2055/**
2056 * struct cfg80211_coalesce - Packet coalescing settings
2057 *
2058 * This structure defines coalescing settings.
2059 * @rules: array of coalesce rules
2060 * @n_rules: number of rules
2061 */
2062struct cfg80211_coalesce {
2063 struct cfg80211_coalesce_rules *rules;
2064 int n_rules;
2065};
2066
2067/**
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002068 * struct cfg80211_wowlan_nd_match - information about the match
2069 *
2070 * @ssid: SSID of the match that triggered the wake up
2071 * @n_channels: Number of channels where the match occurred. This
2072 * value may be zero if the driver can't report the channels.
2073 * @channels: center frequencies of the channels where a match
2074 * occurred (in MHz)
2075 */
2076struct cfg80211_wowlan_nd_match {
2077 struct cfg80211_ssid ssid;
2078 int n_channels;
2079 u32 channels[];
2080};
2081
2082/**
2083 * struct cfg80211_wowlan_nd_info - net detect wake up information
2084 *
2085 * @n_matches: Number of match information instances provided in
2086 * @matches. This value may be zero if the driver can't provide
2087 * match information.
2088 * @matches: Array of pointers to matches containing information about
2089 * the matches that triggered the wake up.
2090 */
2091struct cfg80211_wowlan_nd_info {
2092 int n_matches;
2093 struct cfg80211_wowlan_nd_match *matches[];
2094};
2095
2096/**
Johannes Bergcd8f7cb2013-01-22 12:34:29 +01002097 * struct cfg80211_wowlan_wakeup - wakeup report
2098 * @disconnect: woke up by getting disconnected
2099 * @magic_pkt: woke up by receiving magic packet
2100 * @gtk_rekey_failure: woke up by GTK rekey failure
2101 * @eap_identity_req: woke up by EAP identity request packet
2102 * @four_way_handshake: woke up by 4-way handshake
2103 * @rfkill_release: woke up by rfkill being released
2104 * @pattern_idx: pattern that caused wakeup, -1 if not due to pattern
2105 * @packet_present_len: copied wakeup packet data
2106 * @packet_len: original wakeup packet length
2107 * @packet: The packet causing the wakeup, if any.
2108 * @packet_80211: For pattern match, magic packet and other data
2109 * frame triggers an 802.3 frame should be reported, for
2110 * disconnect due to deauth 802.11 frame. This indicates which
2111 * it is.
Johannes Berg2a0e0472013-01-23 22:57:40 +01002112 * @tcp_match: TCP wakeup packet received
2113 * @tcp_connlost: TCP connection lost or failed to establish
2114 * @tcp_nomoretokens: TCP data ran out of tokens
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002115 * @net_detect: if not %NULL, woke up because of net detect
Johannes Bergcd8f7cb2013-01-22 12:34:29 +01002116 */
2117struct cfg80211_wowlan_wakeup {
2118 bool disconnect, magic_pkt, gtk_rekey_failure,
2119 eap_identity_req, four_way_handshake,
Johannes Berg2a0e0472013-01-23 22:57:40 +01002120 rfkill_release, packet_80211,
2121 tcp_match, tcp_connlost, tcp_nomoretokens;
Johannes Bergcd8f7cb2013-01-22 12:34:29 +01002122 s32 pattern_idx;
2123 u32 packet_present_len, packet_len;
2124 const void *packet;
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002125 struct cfg80211_wowlan_nd_info *net_detect;
Johannes Bergcd8f7cb2013-01-22 12:34:29 +01002126};
2127
2128/**
Johannes Berge5497d72011-07-05 16:35:40 +02002129 * struct cfg80211_gtk_rekey_data - rekey data
Johannes Berg78f686c2014-09-10 22:28:06 +03002130 * @kek: key encryption key (NL80211_KEK_LEN bytes)
2131 * @kck: key confirmation key (NL80211_KCK_LEN bytes)
2132 * @replay_ctr: replay counter (NL80211_REPLAY_CTR_LEN bytes)
Johannes Berge5497d72011-07-05 16:35:40 +02002133 */
2134struct cfg80211_gtk_rekey_data {
Johannes Berg78f686c2014-09-10 22:28:06 +03002135 const u8 *kek, *kck, *replay_ctr;
Johannes Berge5497d72011-07-05 16:35:40 +02002136};
2137
2138/**
Jouni Malinen355199e2013-02-27 17:14:27 +02002139 * struct cfg80211_update_ft_ies_params - FT IE Information
2140 *
2141 * This structure provides information needed to update the fast transition IE
2142 *
2143 * @md: The Mobility Domain ID, 2 Octet value
2144 * @ie: Fast Transition IEs
2145 * @ie_len: Length of ft_ie in octets
2146 */
2147struct cfg80211_update_ft_ies_params {
2148 u16 md;
2149 const u8 *ie;
2150 size_t ie_len;
2151};
2152
2153/**
Andrei Otcheretianskib176e622013-11-18 19:06:49 +02002154 * struct cfg80211_mgmt_tx_params - mgmt tx parameters
2155 *
2156 * This structure provides information needed to transmit a mgmt frame
2157 *
2158 * @chan: channel to use
2159 * @offchan: indicates wether off channel operation is required
2160 * @wait: duration for ROC
2161 * @buf: buffer to transmit
2162 * @len: buffer length
2163 * @no_cck: don't use cck rates for this frame
2164 * @dont_wait_for_ack: tells the low level not to wait for an ack
Andrei Otcheretianski34d22ce2014-05-09 14:11:44 +03002165 * @n_csa_offsets: length of csa_offsets array
2166 * @csa_offsets: array of all the csa offsets in the frame
Andrei Otcheretianskib176e622013-11-18 19:06:49 +02002167 */
2168struct cfg80211_mgmt_tx_params {
2169 struct ieee80211_channel *chan;
2170 bool offchan;
2171 unsigned int wait;
2172 const u8 *buf;
2173 size_t len;
2174 bool no_cck;
2175 bool dont_wait_for_ack;
Andrei Otcheretianski34d22ce2014-05-09 14:11:44 +03002176 int n_csa_offsets;
2177 const u16 *csa_offsets;
Andrei Otcheretianskib176e622013-11-18 19:06:49 +02002178};
2179
2180/**
Kyeyoon Parkfa9ffc72013-12-16 23:01:30 -08002181 * struct cfg80211_dscp_exception - DSCP exception
2182 *
2183 * @dscp: DSCP value that does not adhere to the user priority range definition
2184 * @up: user priority value to which the corresponding DSCP value belongs
2185 */
2186struct cfg80211_dscp_exception {
2187 u8 dscp;
2188 u8 up;
2189};
2190
2191/**
2192 * struct cfg80211_dscp_range - DSCP range definition for user priority
2193 *
2194 * @low: lowest DSCP value of this user priority range, inclusive
2195 * @high: highest DSCP value of this user priority range, inclusive
2196 */
2197struct cfg80211_dscp_range {
2198 u8 low;
2199 u8 high;
2200};
2201
2202/* QoS Map Set element length defined in IEEE Std 802.11-2012, 8.4.2.97 */
2203#define IEEE80211_QOS_MAP_MAX_EX 21
2204#define IEEE80211_QOS_MAP_LEN_MIN 16
2205#define IEEE80211_QOS_MAP_LEN_MAX \
2206 (IEEE80211_QOS_MAP_LEN_MIN + 2 * IEEE80211_QOS_MAP_MAX_EX)
2207
2208/**
2209 * struct cfg80211_qos_map - QoS Map Information
2210 *
2211 * This struct defines the Interworking QoS map setting for DSCP values
2212 *
2213 * @num_des: number of DSCP exceptions (0..21)
2214 * @dscp_exception: optionally up to maximum of 21 DSCP exceptions from
2215 * the user priority DSCP range definition
2216 * @up: DSCP range definition for a particular user priority
2217 */
2218struct cfg80211_qos_map {
2219 u8 num_des;
2220 struct cfg80211_dscp_exception dscp_exception[IEEE80211_QOS_MAP_MAX_EX];
2221 struct cfg80211_dscp_range up[8];
2222};
2223
2224/**
Johannes Berg704232c2007-04-23 12:20:05 -07002225 * struct cfg80211_ops - backend description for wireless configuration
2226 *
2227 * This struct is registered by fullmac card drivers and/or wireless stacks
2228 * in order to handle configuration requests on their interfaces.
2229 *
2230 * All callbacks except where otherwise noted should return 0
2231 * on success or a negative error code.
2232 *
Johannes Berg43fb45cb2007-04-24 14:07:27 -07002233 * All operations are currently invoked under rtnl for consistency with the
2234 * wireless extensions but this is subject to reevaluation as soon as this
2235 * code is used more widely and we have a first user without wext.
2236 *
Johannes Bergff1b6e62011-05-04 15:37:28 +02002237 * @suspend: wiphy device needs to be suspended. The variable @wow will
2238 * be %NULL or contain the enabled Wake-on-Wireless triggers that are
2239 * configured for the device.
Johannes Berg0378b3f2009-01-19 11:20:52 -05002240 * @resume: wiphy device needs to be resumed
Johannes Berg6d525632012-04-04 15:05:25 +02002241 * @set_wakeup: Called when WoWLAN is enabled/disabled, use this callback
2242 * to call device_set_wakeup_enable() to enable/disable wakeup from
2243 * the device.
Johannes Berg0378b3f2009-01-19 11:20:52 -05002244 *
Johannes Berg60719ff2008-09-16 14:55:09 +02002245 * @add_virtual_intf: create a new virtual interface with the given name,
Johannes Berg463d0182009-07-14 00:33:35 +02002246 * must set the struct wireless_dev's iftype. Beware: You must create
Johannes Berg84efbb82012-06-16 00:00:26 +02002247 * the new netdev in the wiphy's network namespace! Returns the struct
Johannes Berg98104fde2012-06-16 00:19:54 +02002248 * wireless_dev, or an ERR_PTR. For P2P device wdevs, the driver must
2249 * also set the address member in the wdev.
Johannes Berg704232c2007-04-23 12:20:05 -07002250 *
Johannes Berg84efbb82012-06-16 00:00:26 +02002251 * @del_virtual_intf: remove the virtual interface
Johannes Berg55682962007-09-20 13:09:35 -04002252 *
Johannes Berg60719ff2008-09-16 14:55:09 +02002253 * @change_virtual_intf: change type/configuration of virtual interface,
2254 * keep the struct wireless_dev's iftype updated.
Johannes Berg55682962007-09-20 13:09:35 -04002255 *
Johannes Berg41ade002007-12-19 02:03:29 +01002256 * @add_key: add a key with the given parameters. @mac_addr will be %NULL
2257 * when adding a group key.
2258 *
2259 * @get_key: get information about the key with the given parameters.
2260 * @mac_addr will be %NULL when requesting information for a group
2261 * key. All pointers given to the @callback function need not be valid
Johannes Berge3da5742009-05-18 19:56:36 +02002262 * after it returns. This function should return an error if it is
2263 * not possible to retrieve the key, -ENOENT if it doesn't exist.
Johannes Berg41ade002007-12-19 02:03:29 +01002264 *
2265 * @del_key: remove a key given the @mac_addr (%NULL for a group key)
Johannes Berge3da5742009-05-18 19:56:36 +02002266 * and @key_index, return -ENOENT if the key doesn't exist.
Johannes Berg41ade002007-12-19 02:03:29 +01002267 *
2268 * @set_default_key: set the default key on an interface
Johannes Berged1b6cc2007-12-19 02:03:32 +01002269 *
Jouni Malinen3cfcf6ac2009-01-08 13:32:02 +02002270 * @set_default_mgmt_key: set the default management frame key on an interface
2271 *
Johannes Berge5497d72011-07-05 16:35:40 +02002272 * @set_rekey_data: give the data necessary for GTK rekeying to the driver
2273 *
Johannes Bergc04a4ff2012-03-01 15:28:19 +01002274 * @start_ap: Start acting in AP mode defined by the parameters.
2275 * @change_beacon: Change the beacon parameters for an access point mode
2276 * interface. This should reject the call when AP mode wasn't started.
2277 * @stop_ap: Stop being an AP, including stopping beaconing.
Johannes Berg5727ef12007-12-19 02:03:34 +01002278 *
2279 * @add_station: Add a new station.
Jouni Malinen89c771e2014-10-10 20:52:40 +03002280 * @del_station: Remove a station
Johannes Bergbdd90d52011-12-14 12:20:27 +01002281 * @change_station: Modify a given station. Note that flags changes are not much
2282 * validated in cfg80211, in particular the auth/assoc/authorized flags
2283 * might come to the driver in invalid combinations -- make sure to check
Johannes Berg77ee7c82013-02-15 00:48:33 +01002284 * them, also against the existing state! Drivers must call
2285 * cfg80211_check_station_change() to validate the information.
Johannes Bergabe37c42010-06-07 11:12:27 +02002286 * @get_station: get station information for the station identified by @mac
2287 * @dump_station: dump station callback -- resume dump at index @idx
2288 *
2289 * @add_mpath: add a fixed mesh path
2290 * @del_mpath: delete a given mesh path
2291 * @change_mpath: change a given mesh path
2292 * @get_mpath: get a mesh path for the given parameters
2293 * @dump_mpath: dump mesh path callback -- resume dump at index @idx
Henning Rogge66be7d22014-09-12 08:58:49 +02002294 * @get_mpp: get a mesh proxy path for the given parameters
2295 * @dump_mpp: dump mesh proxy path callback -- resume dump at index @idx
Johannes Bergf52555a2011-01-06 22:36:45 +01002296 * @join_mesh: join the mesh network with the specified parameters
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002297 * (invoked with the wireless_dev mutex held)
Johannes Bergf52555a2011-01-06 22:36:45 +01002298 * @leave_mesh: leave the current mesh network
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002299 * (invoked with the wireless_dev mutex held)
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002300 *
Javier Cardona24bdd9f2010-12-16 17:37:48 -08002301 * @get_mesh_config: Get the current mesh configuration
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07002302 *
Javier Cardona24bdd9f2010-12-16 17:37:48 -08002303 * @update_mesh_config: Update mesh parameters on a running mesh.
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07002304 * The mask is a bitfield which tells us which parameters to
2305 * set, and which to leave alone.
2306 *
Jouni Malinen9f1ba902008-08-07 20:07:01 +03002307 * @change_bss: Modify parameters for a given BSS.
Jouni Malinen31888482008-10-30 16:59:24 +02002308 *
2309 * @set_txq_params: Set TX queue parameters
Jouni Malinen72bdcf32008-11-26 16:15:24 +02002310 *
Johannes Berge8c9bd52012-06-06 08:18:22 +02002311 * @libertas_set_mesh_channel: Only for backward compatibility for libertas,
2312 * as it doesn't implement join_mesh and needs to set the channel to
2313 * join the mesh instead.
2314 *
2315 * @set_monitor_channel: Set the monitor mode channel for the device. If other
2316 * interfaces are active this callback should reject the configuration.
2317 * If no interfaces are active or the device is down, the channel should
2318 * be stored for when a monitor interface becomes active.
Jouni Malinen9aed3cc2009-01-13 16:03:29 +02002319 *
Johannes Berg2a519312009-02-10 21:25:55 +01002320 * @scan: Request to do a scan. If returning zero, the scan request is given
2321 * the driver, and will be valid until passed to cfg80211_scan_done().
2322 * For scan results, call cfg80211_inform_bss(); you can call this outside
2323 * the scan/scan_done bracket too.
Vidyullatha Kanchanapally91d3ab42015-10-30 19:14:49 +05302324 * @abort_scan: Tell the driver to abort an ongoing scan. The driver shall
2325 * indicate the status of the scan through cfg80211_scan_done().
Jouni Malinen636a5d32009-03-19 13:39:22 +02002326 *
2327 * @auth: Request to authenticate with the specified peer
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002328 * (invoked with the wireless_dev mutex held)
Jouni Malinen636a5d32009-03-19 13:39:22 +02002329 * @assoc: Request to (re)associate with the specified peer
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002330 * (invoked with the wireless_dev mutex held)
Jouni Malinen636a5d32009-03-19 13:39:22 +02002331 * @deauth: Request to deauthenticate from the specified peer
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002332 * (invoked with the wireless_dev mutex held)
Jouni Malinen636a5d32009-03-19 13:39:22 +02002333 * @disassoc: Request to disassociate from the specified peer
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002334 * (invoked with the wireless_dev mutex held)
Johannes Berg04a773a2009-04-19 21:24:32 +02002335 *
Samuel Ortizb23aa672009-07-01 21:26:54 +02002336 * @connect: Connect to the ESS with the specified parameters. When connected,
2337 * call cfg80211_connect_result() with status code %WLAN_STATUS_SUCCESS.
2338 * If the connection fails for some reason, call cfg80211_connect_result()
2339 * with the status from the AP.
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002340 * (invoked with the wireless_dev mutex held)
Samuel Ortizb23aa672009-07-01 21:26:54 +02002341 * @disconnect: Disconnect from the BSS/ESS.
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002342 * (invoked with the wireless_dev mutex held)
Samuel Ortizb23aa672009-07-01 21:26:54 +02002343 *
Johannes Berg04a773a2009-04-19 21:24:32 +02002344 * @join_ibss: Join the specified IBSS (or create if necessary). Once done, call
2345 * cfg80211_ibss_joined(), also call that function when changing BSSID due
2346 * to a merge.
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002347 * (invoked with the wireless_dev mutex held)
Johannes Berg04a773a2009-04-19 21:24:32 +02002348 * @leave_ibss: Leave the IBSS.
Johannes Berg8d61ffa2013-05-10 12:32:47 +02002349 * (invoked with the wireless_dev mutex held)
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02002350 *
Antonio Quartullif4e583c2012-11-02 13:27:48 +01002351 * @set_mcast_rate: Set the specified multicast rate (only if vif is in ADHOC or
2352 * MESH mode)
2353 *
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02002354 * @set_wiphy_params: Notify that wiphy parameters have changed;
2355 * @changed bitfield (see &enum wiphy_params_flags) describes which values
2356 * have changed. The actual parameter values are available in
2357 * struct wiphy. If returning an error, no value should be changed.
Johannes Berg7643a2c2009-06-02 13:01:39 +02002358 *
Luis R. Rodriguez1432de02011-11-28 16:38:46 -05002359 * @set_tx_power: set the transmit power according to the parameters,
Johannes Bergc8442112012-10-24 10:17:18 +02002360 * the power passed is in mBm, to get dBm use MBM_TO_DBM(). The
2361 * wdev may be %NULL if power was set for the wiphy, and will
2362 * always be %NULL unless the driver supports per-vif TX power
2363 * (as advertised by the nl80211 feature flag.)
Johannes Berg7643a2c2009-06-02 13:01:39 +02002364 * @get_tx_power: store the current TX power into the dbm variable;
Johannes Berg1f87f7d2009-06-02 13:01:41 +02002365 * return 0 if successful
2366 *
Johannes Bergabe37c42010-06-07 11:12:27 +02002367 * @set_wds_peer: set the WDS peer for a WDS interface
2368 *
Johannes Berg1f87f7d2009-06-02 13:01:41 +02002369 * @rfkill_poll: polls the hw rfkill line, use cfg80211 reporting
2370 * functions to adjust rfkill hw state
Johannes Bergaff89a92009-07-01 21:26:51 +02002371 *
Holger Schurig61fa7132009-11-11 12:25:40 +01002372 * @dump_survey: get site survey information.
2373 *
Jouni Malinen9588bbd2009-12-23 13:15:41 +01002374 * @remain_on_channel: Request the driver to remain awake on the specified
2375 * channel for the specified duration to complete an off-channel
2376 * operation (e.g., public action frame exchange). When the driver is
2377 * ready on the requested channel, it must indicate this with an event
2378 * notification by calling cfg80211_ready_on_channel().
2379 * @cancel_remain_on_channel: Cancel an on-going remain-on-channel operation.
2380 * This allows the operation to be terminated prior to timeout based on
2381 * the duration value.
Johannes Bergf7ca38d2010-11-25 10:02:29 +01002382 * @mgmt_tx: Transmit a management frame.
2383 * @mgmt_tx_cancel_wait: Cancel the wait time from transmitting a management
2384 * frame on another channel
Jouni Malinen9588bbd2009-12-23 13:15:41 +01002385 *
David Spinadelfc73f112013-07-31 18:04:15 +03002386 * @testmode_cmd: run a test mode command; @wdev may be %NULL
Wey-Yi Guy71063f02011-05-20 09:05:54 -07002387 * @testmode_dump: Implement a test mode dump. The cb->args[2] and up may be
2388 * used by the function, but 0 and 1 must not be touched. Additionally,
2389 * return error codes other than -ENOBUFS and -ENOENT will terminate the
2390 * dump and return to userspace with an error, so be careful. If any data
2391 * was passed in from userspace then the data/len arguments will be present
2392 * and point to the data contained in %NL80211_ATTR_TESTDATA.
Samuel Ortiz67fbb162009-11-24 23:59:15 +01002393 *
Johannes Bergabe37c42010-06-07 11:12:27 +02002394 * @set_bitrate_mask: set the bitrate mask configuration
2395 *
Samuel Ortiz67fbb162009-11-24 23:59:15 +01002396 * @set_pmksa: Cache a PMKID for a BSSID. This is mostly useful for fullmac
2397 * devices running firmwares capable of generating the (re) association
2398 * RSN IE. It allows for faster roaming between WPA2 BSSIDs.
2399 * @del_pmksa: Delete a cached PMKID.
2400 * @flush_pmksa: Flush all cached PMKIDs.
Juuso Oikarinen9043f3b2010-04-27 12:47:41 +03002401 * @set_power_mgmt: Configure WLAN power management. A timeout value of -1
2402 * allows the driver to adjust the dynamic ps timeout value.
Juuso Oikarinend6dc1a32010-03-23 09:02:33 +02002403 * @set_cqm_rssi_config: Configure connection quality monitor RSSI threshold.
Johannes Berge86abc62015-10-22 17:35:14 +02002404 * After configuration, the driver should (soon) send an event indicating
2405 * the current level is above/below the configured threshold; this may
2406 * need some care when the configuration is changed (without first being
2407 * disabled.)
Thomas Pedersen84f10702012-07-12 16:17:33 -07002408 * @set_cqm_txe_config: Configure connection quality monitor TX error
2409 * thresholds.
Luciano Coelho807f8a82011-05-11 17:09:35 +03002410 * @sched_scan_start: Tell the driver to start a scheduled scan.
Johannes Bergd9b83962014-02-13 17:16:10 +01002411 * @sched_scan_stop: Tell the driver to stop an ongoing scheduled scan. This
2412 * call must stop the scheduled scan and be ready for starting a new one
2413 * before it returns, i.e. @sched_scan_start may be called immediately
2414 * after that again and should not fail in that case. The driver should
2415 * not call cfg80211_sched_scan_stopped() for a requested stop (when this
2416 * method returns 0.)
Samuel Ortiz67fbb162009-11-24 23:59:15 +01002417 *
Johannes Berg271733c2010-10-13 12:06:23 +02002418 * @mgmt_frame_register: Notify driver that a management frame type was
Johannes Berg33d87832015-06-23 17:47:05 +02002419 * registered. The callback is allowed to sleep.
Bruno Randolf547025d2010-12-02 16:23:12 +09002420 *
2421 * @set_antenna: Set antenna configuration (tx_ant, rx_ant) on the device.
2422 * Parameters are bitmaps of allowed antennas to use for TX/RX. Drivers may
2423 * reject TX/RX mask combinations they cannot support by returning -EINVAL
2424 * (also see nl80211.h @NL80211_ATTR_WIPHY_ANTENNA_TX).
2425 *
2426 * @get_antenna: Get current antenna configuration from device (tx_ant, rx_ant).
John W. Linville36777132011-03-07 16:17:59 -05002427 *
Arik Nemtsov109086c2011-09-28 14:12:50 +03002428 * @tdls_mgmt: Transmit a TDLS management frame.
2429 * @tdls_oper: Perform a high-level TDLS operation (e.g. TDLS link setup).
Johannes Berg7f6cf312011-11-04 11:18:15 +01002430 *
2431 * @probe_client: probe an associated client, must return a cookie that it
2432 * later passes to cfg80211_probe_status().
Simon Wunderlich1d9d9212011-11-18 14:20:43 +01002433 *
2434 * @set_noack_map: Set the NoAck Map for the TIDs.
Ben Greeard6199212012-04-23 12:50:29 -07002435 *
Johannes Berg5b7ccaf2012-07-12 19:45:08 +02002436 * @get_channel: Get the current operating channel for the virtual interface.
2437 * For monitor interfaces, it should return %NULL unless there's a single
2438 * current monitoring channel.
Johannes Berg98104fde2012-06-16 00:19:54 +02002439 *
2440 * @start_p2p_device: Start the given P2P device.
2441 * @stop_p2p_device: Stop the given P2P device.
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +05302442 *
2443 * @set_mac_acl: Sets MAC address control list in AP and P2P GO mode.
2444 * Parameters include ACL policy, an array of MAC address of stations
2445 * and the number of MAC addresses. If there is already a list in driver
2446 * this new list replaces the existing one. Driver has to clear its ACL
2447 * when number of MAC addresses entries is passed as 0. Drivers which
2448 * advertise the support for MAC based ACL have to implement this callback.
Simon Wunderlich04f39042013-02-08 18:16:19 +01002449 *
2450 * @start_radar_detection: Start radar detection in the driver.
Jouni Malinen8bf24292013-03-25 11:15:59 +02002451 *
2452 * @update_ft_ies: Provide updated Fast BSS Transition information to the
2453 * driver. If the SME is in the driver/firmware, this information can be
2454 * used in building Authentication and Reassociation Request frames.
Arend van Spriel5de17982013-04-18 15:49:00 +02002455 *
2456 * @crit_proto_start: Indicates a critical protocol needs more link reliability
2457 * for a given duration (milliseconds). The protocol is provided so the
2458 * driver can take the most appropriate actions.
2459 * @crit_proto_stop: Indicates critical protocol no longer needs increased link
2460 * reliability. This operation can not fail.
Amitkumar Karwarbe29b992013-06-28 11:51:26 -07002461 * @set_coalesce: Set coalesce parameters.
Simon Wunderlich16ef1fe2013-07-11 16:09:05 +02002462 *
Michal Kazior97dc94f2014-06-25 12:35:10 +02002463 * @channel_switch: initiate channel-switch procedure (with CSA). Driver is
2464 * responsible for veryfing if the switch is possible. Since this is
2465 * inherently tricky driver may decide to disconnect an interface later
2466 * with cfg80211_stop_iface(). This doesn't mean driver can accept
2467 * everything. It should do it's best to verify requests and reject them
2468 * as soon as possible.
Kyeyoon Parkfa9ffc72013-12-16 23:01:30 -08002469 *
2470 * @set_qos_map: Set QoS mapping information to the driver
Jouni Malinene16821b2014-04-28 11:22:08 +03002471 *
2472 * @set_ap_chanwidth: Set the AP (including P2P GO) mode channel width for the
2473 * given interface This is used e.g. for dynamic HT 20/40 MHz channel width
2474 * changes during the lifetime of the BSS.
Johannes Berg960d01a2014-09-09 22:55:35 +03002475 *
2476 * @add_tx_ts: validate (if admitted_time is 0) or add a TX TS to the device
2477 * with the given parameters; action frame exchange has been handled by
2478 * userspace so this just has to modify the TX path to take the TS into
2479 * account.
2480 * If the admitted time is 0 just validate the parameters to make sure
2481 * the session can be created at all; it is valid to just always return
2482 * success for that but that may result in inefficient behaviour (handshake
2483 * with the peer followed by immediate teardown when the addition is later
2484 * rejected)
2485 * @del_tx_ts: remove an existing TX TS
Rostislav Lisovy6e0bd6c2014-11-03 10:33:18 +01002486 *
2487 * @join_ocb: join the OCB network with the specified parameters
2488 * (invoked with the wireless_dev mutex held)
2489 * @leave_ocb: leave the current OCB network
2490 * (invoked with the wireless_dev mutex held)
Arik Nemtsov1057d352014-11-19 12:54:26 +02002491 *
2492 * @tdls_channel_switch: Start channel-switching with a TDLS peer. The driver
2493 * is responsible for continually initiating channel-switching operations
2494 * and returning to the base channel for communication with the AP.
2495 * @tdls_cancel_channel_switch: Stop channel-switching with a TDLS peer. Both
2496 * peers must be on the base channel when the call completes.
Johannes Berg704232c2007-04-23 12:20:05 -07002497 */
2498struct cfg80211_ops {
Johannes Bergff1b6e62011-05-04 15:37:28 +02002499 int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
Johannes Berg0378b3f2009-01-19 11:20:52 -05002500 int (*resume)(struct wiphy *wiphy);
Johannes Berg6d525632012-04-04 15:05:25 +02002501 void (*set_wakeup)(struct wiphy *wiphy, bool enabled);
Johannes Berg0378b3f2009-01-19 11:20:52 -05002502
Johannes Berg84efbb82012-06-16 00:00:26 +02002503 struct wireless_dev * (*add_virtual_intf)(struct wiphy *wiphy,
Johannes Berg552bff02012-09-19 09:26:06 +02002504 const char *name,
Tom Gundersen6bab2e192015-03-18 11:13:39 +01002505 unsigned char name_assign_type,
Johannes Berg84efbb82012-06-16 00:00:26 +02002506 enum nl80211_iftype type,
2507 u32 *flags,
2508 struct vif_params *params);
2509 int (*del_virtual_intf)(struct wiphy *wiphy,
2510 struct wireless_dev *wdev);
Johannes Berge36d56b2009-06-09 21:04:43 +02002511 int (*change_virtual_intf)(struct wiphy *wiphy,
2512 struct net_device *dev,
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002513 enum nl80211_iftype type, u32 *flags,
2514 struct vif_params *params);
Johannes Berg41ade002007-12-19 02:03:29 +01002515
2516 int (*add_key)(struct wiphy *wiphy, struct net_device *netdev,
Johannes Berge31b8212010-10-05 19:39:30 +02002517 u8 key_index, bool pairwise, const u8 *mac_addr,
Johannes Berg41ade002007-12-19 02:03:29 +01002518 struct key_params *params);
2519 int (*get_key)(struct wiphy *wiphy, struct net_device *netdev,
Johannes Berge31b8212010-10-05 19:39:30 +02002520 u8 key_index, bool pairwise, const u8 *mac_addr,
2521 void *cookie,
Johannes Berg41ade002007-12-19 02:03:29 +01002522 void (*callback)(void *cookie, struct key_params*));
2523 int (*del_key)(struct wiphy *wiphy, struct net_device *netdev,
Johannes Berge31b8212010-10-05 19:39:30 +02002524 u8 key_index, bool pairwise, const u8 *mac_addr);
Johannes Berg41ade002007-12-19 02:03:29 +01002525 int (*set_default_key)(struct wiphy *wiphy,
2526 struct net_device *netdev,
Johannes Bergdbd2fd62010-12-09 19:58:59 +01002527 u8 key_index, bool unicast, bool multicast);
Jouni Malinen3cfcf6ac2009-01-08 13:32:02 +02002528 int (*set_default_mgmt_key)(struct wiphy *wiphy,
2529 struct net_device *netdev,
2530 u8 key_index);
Johannes Berged1b6cc2007-12-19 02:03:32 +01002531
Johannes Berg88600202012-02-13 15:17:18 +01002532 int (*start_ap)(struct wiphy *wiphy, struct net_device *dev,
2533 struct cfg80211_ap_settings *settings);
2534 int (*change_beacon)(struct wiphy *wiphy, struct net_device *dev,
2535 struct cfg80211_beacon_data *info);
2536 int (*stop_ap)(struct wiphy *wiphy, struct net_device *dev);
Johannes Berg5727ef12007-12-19 02:03:34 +01002537
2538
2539 int (*add_station)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002540 const u8 *mac,
2541 struct station_parameters *params);
Johannes Berg5727ef12007-12-19 02:03:34 +01002542 int (*del_station)(struct wiphy *wiphy, struct net_device *dev,
Jouni Malinen89c771e2014-10-10 20:52:40 +03002543 struct station_del_parameters *params);
Johannes Berg5727ef12007-12-19 02:03:34 +01002544 int (*change_station)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002545 const u8 *mac,
2546 struct station_parameters *params);
Johannes Bergfd5b74d2007-12-19 02:03:36 +01002547 int (*get_station)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002548 const u8 *mac, struct station_info *sinfo);
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002549 int (*dump_station)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002550 int idx, u8 *mac, struct station_info *sinfo);
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002551
2552 int (*add_mpath)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002553 const u8 *dst, const u8 *next_hop);
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002554 int (*del_mpath)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002555 const u8 *dst);
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002556 int (*change_mpath)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002557 const u8 *dst, const u8 *next_hop);
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002558 int (*get_mpath)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002559 u8 *dst, u8 *next_hop, struct mpath_info *pinfo);
Luis Carlos Cobo2ec600d2008-02-23 15:17:06 +01002560 int (*dump_mpath)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002561 int idx, u8 *dst, u8 *next_hop,
2562 struct mpath_info *pinfo);
Henning Rogge66be7d22014-09-12 08:58:49 +02002563 int (*get_mpp)(struct wiphy *wiphy, struct net_device *dev,
2564 u8 *dst, u8 *mpp, struct mpath_info *pinfo);
2565 int (*dump_mpp)(struct wiphy *wiphy, struct net_device *dev,
2566 int idx, u8 *dst, u8 *mpp,
2567 struct mpath_info *pinfo);
Javier Cardona24bdd9f2010-12-16 17:37:48 -08002568 int (*get_mesh_config)(struct wiphy *wiphy,
colin@cozybit.com93da9cc2008-10-21 12:03:48 -07002569 struct net_device *dev,
2570 struct mesh_config *conf);
Javier Cardona24bdd9f2010-12-16 17:37:48 -08002571 int (*update_mesh_config)(struct wiphy *wiphy,
Johannes Berg29cbe682010-12-03 09:20:44 +01002572 struct net_device *dev, u32 mask,
2573 const struct mesh_config *nconf);
2574 int (*join_mesh)(struct wiphy *wiphy, struct net_device *dev,
2575 const struct mesh_config *conf,
2576 const struct mesh_setup *setup);
2577 int (*leave_mesh)(struct wiphy *wiphy, struct net_device *dev);
2578
Rostislav Lisovy6e0bd6c2014-11-03 10:33:18 +01002579 int (*join_ocb)(struct wiphy *wiphy, struct net_device *dev,
2580 struct ocb_setup *setup);
2581 int (*leave_ocb)(struct wiphy *wiphy, struct net_device *dev);
2582
Jouni Malinen9f1ba902008-08-07 20:07:01 +03002583 int (*change_bss)(struct wiphy *wiphy, struct net_device *dev,
2584 struct bss_parameters *params);
Jouni Malinen31888482008-10-30 16:59:24 +02002585
Eliad Pellerf70f01c2011-09-25 20:06:53 +03002586 int (*set_txq_params)(struct wiphy *wiphy, struct net_device *dev,
Jouni Malinen31888482008-10-30 16:59:24 +02002587 struct ieee80211_txq_params *params);
Jouni Malinen72bdcf32008-11-26 16:15:24 +02002588
Johannes Berge8c9bd52012-06-06 08:18:22 +02002589 int (*libertas_set_mesh_channel)(struct wiphy *wiphy,
2590 struct net_device *dev,
2591 struct ieee80211_channel *chan);
2592
2593 int (*set_monitor_channel)(struct wiphy *wiphy,
Johannes Berg683b6d32012-11-08 21:25:48 +01002594 struct cfg80211_chan_def *chandef);
Jouni Malinen9aed3cc2009-01-13 16:03:29 +02002595
Johannes Bergfd014282012-06-18 19:17:03 +02002596 int (*scan)(struct wiphy *wiphy,
Johannes Berg2a519312009-02-10 21:25:55 +01002597 struct cfg80211_scan_request *request);
Vidyullatha Kanchanapally91d3ab42015-10-30 19:14:49 +05302598 void (*abort_scan)(struct wiphy *wiphy, struct wireless_dev *wdev);
Jouni Malinen636a5d32009-03-19 13:39:22 +02002599
2600 int (*auth)(struct wiphy *wiphy, struct net_device *dev,
2601 struct cfg80211_auth_request *req);
2602 int (*assoc)(struct wiphy *wiphy, struct net_device *dev,
2603 struct cfg80211_assoc_request *req);
2604 int (*deauth)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg63c9c5e2012-02-24 13:50:51 +01002605 struct cfg80211_deauth_request *req);
Jouni Malinen636a5d32009-03-19 13:39:22 +02002606 int (*disassoc)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg63c9c5e2012-02-24 13:50:51 +01002607 struct cfg80211_disassoc_request *req);
Johannes Berg04a773a2009-04-19 21:24:32 +02002608
Samuel Ortizb23aa672009-07-01 21:26:54 +02002609 int (*connect)(struct wiphy *wiphy, struct net_device *dev,
2610 struct cfg80211_connect_params *sme);
2611 int (*disconnect)(struct wiphy *wiphy, struct net_device *dev,
2612 u16 reason_code);
2613
Johannes Berg04a773a2009-04-19 21:24:32 +02002614 int (*join_ibss)(struct wiphy *wiphy, struct net_device *dev,
2615 struct cfg80211_ibss_params *params);
2616 int (*leave_ibss)(struct wiphy *wiphy, struct net_device *dev);
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02002617
Antonio Quartullif4e583c2012-11-02 13:27:48 +01002618 int (*set_mcast_rate)(struct wiphy *wiphy, struct net_device *dev,
2619 int rate[IEEE80211_NUM_BANDS]);
2620
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02002621 int (*set_wiphy_params)(struct wiphy *wiphy, u32 changed);
Johannes Berg7643a2c2009-06-02 13:01:39 +02002622
Johannes Bergc8442112012-10-24 10:17:18 +02002623 int (*set_tx_power)(struct wiphy *wiphy, struct wireless_dev *wdev,
Juuso Oikarinenfa61cf72010-06-23 12:12:37 +03002624 enum nl80211_tx_power_setting type, int mbm);
Johannes Bergc8442112012-10-24 10:17:18 +02002625 int (*get_tx_power)(struct wiphy *wiphy, struct wireless_dev *wdev,
2626 int *dbm);
Johannes Berg1f87f7d2009-06-02 13:01:41 +02002627
Johannes Bergab737a42009-07-01 21:26:58 +02002628 int (*set_wds_peer)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg388ac772010-10-07 13:11:09 +02002629 const u8 *addr);
Johannes Bergab737a42009-07-01 21:26:58 +02002630
Johannes Berg1f87f7d2009-06-02 13:01:41 +02002631 void (*rfkill_poll)(struct wiphy *wiphy);
Johannes Bergaff89a92009-07-01 21:26:51 +02002632
2633#ifdef CONFIG_NL80211_TESTMODE
David Spinadelfc73f112013-07-31 18:04:15 +03002634 int (*testmode_cmd)(struct wiphy *wiphy, struct wireless_dev *wdev,
2635 void *data, int len);
Wey-Yi Guy71063f02011-05-20 09:05:54 -07002636 int (*testmode_dump)(struct wiphy *wiphy, struct sk_buff *skb,
2637 struct netlink_callback *cb,
2638 void *data, int len);
Johannes Bergaff89a92009-07-01 21:26:51 +02002639#endif
Johannes Bergbc92afd2009-07-01 21:26:57 +02002640
Johannes Berg99303802009-07-01 21:26:59 +02002641 int (*set_bitrate_mask)(struct wiphy *wiphy,
2642 struct net_device *dev,
2643 const u8 *peer,
2644 const struct cfg80211_bitrate_mask *mask);
2645
Holger Schurig61fa7132009-11-11 12:25:40 +01002646 int (*dump_survey)(struct wiphy *wiphy, struct net_device *netdev,
2647 int idx, struct survey_info *info);
2648
Samuel Ortiz67fbb162009-11-24 23:59:15 +01002649 int (*set_pmksa)(struct wiphy *wiphy, struct net_device *netdev,
2650 struct cfg80211_pmksa *pmksa);
2651 int (*del_pmksa)(struct wiphy *wiphy, struct net_device *netdev,
2652 struct cfg80211_pmksa *pmksa);
2653 int (*flush_pmksa)(struct wiphy *wiphy, struct net_device *netdev);
2654
Jouni Malinen9588bbd2009-12-23 13:15:41 +01002655 int (*remain_on_channel)(struct wiphy *wiphy,
Johannes Berg71bbc992012-06-15 15:30:18 +02002656 struct wireless_dev *wdev,
Jouni Malinen9588bbd2009-12-23 13:15:41 +01002657 struct ieee80211_channel *chan,
Jouni Malinen9588bbd2009-12-23 13:15:41 +01002658 unsigned int duration,
2659 u64 *cookie);
2660 int (*cancel_remain_on_channel)(struct wiphy *wiphy,
Johannes Berg71bbc992012-06-15 15:30:18 +02002661 struct wireless_dev *wdev,
Jouni Malinen9588bbd2009-12-23 13:15:41 +01002662 u64 cookie);
2663
Johannes Berg71bbc992012-06-15 15:30:18 +02002664 int (*mgmt_tx)(struct wiphy *wiphy, struct wireless_dev *wdev,
Andrei Otcheretianskib176e622013-11-18 19:06:49 +02002665 struct cfg80211_mgmt_tx_params *params,
2666 u64 *cookie);
Johannes Bergf7ca38d2010-11-25 10:02:29 +01002667 int (*mgmt_tx_cancel_wait)(struct wiphy *wiphy,
Johannes Berg71bbc992012-06-15 15:30:18 +02002668 struct wireless_dev *wdev,
Johannes Bergf7ca38d2010-11-25 10:02:29 +01002669 u64 cookie);
Jouni Malinen026331c2010-02-15 12:53:10 +02002670
Johannes Bergbc92afd2009-07-01 21:26:57 +02002671 int (*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev,
2672 bool enabled, int timeout);
Juuso Oikarinend6dc1a32010-03-23 09:02:33 +02002673
2674 int (*set_cqm_rssi_config)(struct wiphy *wiphy,
2675 struct net_device *dev,
2676 s32 rssi_thold, u32 rssi_hyst);
Johannes Berg271733c2010-10-13 12:06:23 +02002677
Thomas Pedersen84f10702012-07-12 16:17:33 -07002678 int (*set_cqm_txe_config)(struct wiphy *wiphy,
2679 struct net_device *dev,
2680 u32 rate, u32 pkts, u32 intvl);
2681
Johannes Berg271733c2010-10-13 12:06:23 +02002682 void (*mgmt_frame_register)(struct wiphy *wiphy,
Johannes Berg71bbc992012-06-15 15:30:18 +02002683 struct wireless_dev *wdev,
Johannes Berg271733c2010-10-13 12:06:23 +02002684 u16 frame_type, bool reg);
Bruno Randolfafe0cbf2010-11-10 12:50:50 +09002685
2686 int (*set_antenna)(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant);
2687 int (*get_antenna)(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant);
John W. Linville36777132011-03-07 16:17:59 -05002688
Luciano Coelho807f8a82011-05-11 17:09:35 +03002689 int (*sched_scan_start)(struct wiphy *wiphy,
2690 struct net_device *dev,
2691 struct cfg80211_sched_scan_request *request);
Luciano Coelho85a99942011-05-12 16:28:29 +03002692 int (*sched_scan_stop)(struct wiphy *wiphy, struct net_device *dev);
Johannes Berge5497d72011-07-05 16:35:40 +02002693
2694 int (*set_rekey_data)(struct wiphy *wiphy, struct net_device *dev,
2695 struct cfg80211_gtk_rekey_data *data);
Arik Nemtsov109086c2011-09-28 14:12:50 +03002696
2697 int (*tdls_mgmt)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002698 const u8 *peer, u8 action_code, u8 dialog_token,
Sunil Dutt Undekaridf942e72014-02-20 16:22:09 +05302699 u16 status_code, u32 peer_capability,
Arik Nemtsov31fa97c2014-06-11 17:18:21 +03002700 bool initiator, const u8 *buf, size_t len);
Arik Nemtsov109086c2011-09-28 14:12:50 +03002701 int (*tdls_oper)(struct wiphy *wiphy, struct net_device *dev,
Johannes Berg3b3a0162014-05-19 17:19:31 +02002702 const u8 *peer, enum nl80211_tdls_operation oper);
Johannes Berg7f6cf312011-11-04 11:18:15 +01002703
2704 int (*probe_client)(struct wiphy *wiphy, struct net_device *dev,
2705 const u8 *peer, u64 *cookie);
Johannes Berge9998822011-11-09 10:30:21 +01002706
Simon Wunderlich1d9d9212011-11-18 14:20:43 +01002707 int (*set_noack_map)(struct wiphy *wiphy,
2708 struct net_device *dev,
2709 u16 noack_map);
2710
Johannes Berg683b6d32012-11-08 21:25:48 +01002711 int (*get_channel)(struct wiphy *wiphy,
Johannes Berg5b7ccaf2012-07-12 19:45:08 +02002712 struct wireless_dev *wdev,
Johannes Berg683b6d32012-11-08 21:25:48 +01002713 struct cfg80211_chan_def *chandef);
Johannes Berg98104fde2012-06-16 00:19:54 +02002714
2715 int (*start_p2p_device)(struct wiphy *wiphy,
2716 struct wireless_dev *wdev);
2717 void (*stop_p2p_device)(struct wiphy *wiphy,
2718 struct wireless_dev *wdev);
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +05302719
2720 int (*set_mac_acl)(struct wiphy *wiphy, struct net_device *dev,
2721 const struct cfg80211_acl_data *params);
Simon Wunderlich04f39042013-02-08 18:16:19 +01002722
2723 int (*start_radar_detection)(struct wiphy *wiphy,
2724 struct net_device *dev,
Janusz Dziedzic31559f32014-02-21 19:46:13 +01002725 struct cfg80211_chan_def *chandef,
2726 u32 cac_time_ms);
Jouni Malinen355199e2013-02-27 17:14:27 +02002727 int (*update_ft_ies)(struct wiphy *wiphy, struct net_device *dev,
2728 struct cfg80211_update_ft_ies_params *ftie);
Arend van Spriel5de17982013-04-18 15:49:00 +02002729 int (*crit_proto_start)(struct wiphy *wiphy,
2730 struct wireless_dev *wdev,
2731 enum nl80211_crit_proto_id protocol,
2732 u16 duration);
2733 void (*crit_proto_stop)(struct wiphy *wiphy,
2734 struct wireless_dev *wdev);
Amitkumar Karwarbe29b992013-06-28 11:51:26 -07002735 int (*set_coalesce)(struct wiphy *wiphy,
2736 struct cfg80211_coalesce *coalesce);
Simon Wunderlich16ef1fe2013-07-11 16:09:05 +02002737
2738 int (*channel_switch)(struct wiphy *wiphy,
2739 struct net_device *dev,
2740 struct cfg80211_csa_settings *params);
Jouni Malinene16821b2014-04-28 11:22:08 +03002741
Kyeyoon Parkfa9ffc72013-12-16 23:01:30 -08002742 int (*set_qos_map)(struct wiphy *wiphy,
2743 struct net_device *dev,
2744 struct cfg80211_qos_map *qos_map);
Jouni Malinene16821b2014-04-28 11:22:08 +03002745
2746 int (*set_ap_chanwidth)(struct wiphy *wiphy, struct net_device *dev,
2747 struct cfg80211_chan_def *chandef);
Johannes Berg960d01a2014-09-09 22:55:35 +03002748
2749 int (*add_tx_ts)(struct wiphy *wiphy, struct net_device *dev,
2750 u8 tsid, const u8 *peer, u8 user_prio,
2751 u16 admitted_time);
2752 int (*del_tx_ts)(struct wiphy *wiphy, struct net_device *dev,
2753 u8 tsid, const u8 *peer);
Arik Nemtsov1057d352014-11-19 12:54:26 +02002754
2755 int (*tdls_channel_switch)(struct wiphy *wiphy,
2756 struct net_device *dev,
2757 const u8 *addr, u8 oper_class,
2758 struct cfg80211_chan_def *chandef);
2759 void (*tdls_cancel_channel_switch)(struct wiphy *wiphy,
2760 struct net_device *dev,
2761 const u8 *addr);
Johannes Berg704232c2007-04-23 12:20:05 -07002762};
2763
Johannes Bergd3236552009-04-20 14:31:42 +02002764/*
2765 * wireless hardware and networking interfaces structures
2766 * and registration/helper functions
2767 */
2768
2769/**
Johannes Berg5be83de2009-11-19 00:56:28 +01002770 * enum wiphy_flags - wiphy capability flags
2771 *
Johannes Berg5be83de2009-11-19 00:56:28 +01002772 * @WIPHY_FLAG_NETNS_OK: if not set, do not allow changing the netns of this
2773 * wiphy at all
2774 * @WIPHY_FLAG_PS_ON_BY_DEFAULT: if set to true, powersave will be enabled
2775 * by default -- this flag will be set depending on the kernel's default
2776 * on wiphy_new(), but can be changed by the driver if it has a good
2777 * reason to override the default
Johannes Berg9bc383d2009-11-19 11:55:19 +01002778 * @WIPHY_FLAG_4ADDR_AP: supports 4addr mode even on AP (with a single station
2779 * on a VLAN interface)
2780 * @WIPHY_FLAG_4ADDR_STATION: supports 4addr mode even as a station
Johannes Bergc0692b82010-08-27 14:26:53 +03002781 * @WIPHY_FLAG_CONTROL_PORT_PROTOCOL: This device supports setting the
2782 * control port protocol ethertype. The device also honours the
2783 * control_port_no_encrypt flag.
Johannes Berge31b8212010-10-05 19:39:30 +02002784 * @WIPHY_FLAG_IBSS_RSN: The device supports IBSS RSN.
Javier Cardona15d5dda2011-04-07 15:08:28 -07002785 * @WIPHY_FLAG_MESH_AUTH: The device supports mesh authentication by routing
2786 * auth frames to userspace. See @NL80211_MESH_SETUP_USERSPACE_AUTH.
Randy Dunlap1ba01452011-05-22 17:16:20 -07002787 * @WIPHY_FLAG_SUPPORTS_SCHED_SCAN: The device supports scheduled scans.
Vivek Natarajanf4b34b52011-08-29 14:23:03 +05302788 * @WIPHY_FLAG_SUPPORTS_FW_ROAM: The device supports roaming feature in the
2789 * firmware.
Eliad Pellercedb5412011-08-31 11:29:43 +03002790 * @WIPHY_FLAG_AP_UAPSD: The device supports uapsd on AP.
Arik Nemtsov109086c2011-09-28 14:12:50 +03002791 * @WIPHY_FLAG_SUPPORTS_TDLS: The device supports TDLS (802.11z) operation.
2792 * @WIPHY_FLAG_TDLS_EXTERNAL_SETUP: The device does not handle TDLS (802.11z)
2793 * link setup/discovery operations internally. Setup, discovery and
2794 * teardown packets should be sent through the @NL80211_CMD_TDLS_MGMT
2795 * command. When this flag is not set, @NL80211_CMD_TDLS_OPER should be
2796 * used for asking the driver/firmware to perform a TDLS operation.
Johannes Berg562a7482011-11-07 12:39:33 +01002797 * @WIPHY_FLAG_HAVE_AP_SME: device integrates AP SME
Johannes Berg5e7602302011-11-04 11:18:17 +01002798 * @WIPHY_FLAG_REPORTS_OBSS: the device will report beacons from other BSSes
2799 * when there are virtual interfaces in AP mode by calling
2800 * cfg80211_report_obss_beacon().
Arik Nemtsov87bbbe22011-11-10 11:28:55 +02002801 * @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD: When operating as an AP, the device
2802 * responds to probe-requests in hardware.
Johannes Berg7c4ef712011-11-18 15:33:48 +01002803 * @WIPHY_FLAG_OFFCHAN_TX: Device supports direct off-channel TX.
2804 * @WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL: Device supports remain-on-channel call.
Simon Wunderlich2f301ab2013-05-16 13:00:28 +02002805 * @WIPHY_FLAG_SUPPORTS_5_10_MHZ: Device supports 5 MHz and 10 MHz channels.
Simon Wunderlich16ef1fe2013-07-11 16:09:05 +02002806 * @WIPHY_FLAG_HAS_CHANNEL_SWITCH: Device supports channel switch in
2807 * beaconing mode (AP, IBSS, Mesh, ...).
Johannes Berg5be83de2009-11-19 00:56:28 +01002808 */
2809enum wiphy_flags {
Johannes Berg723e73a2014-10-22 09:25:06 +02002810 /* use hole at 0 */
Luis R. Rodrigueza2f73b62013-11-11 22:15:29 +01002811 /* use hole at 1 */
2812 /* use hole at 2 */
Johannes Bergc0692b82010-08-27 14:26:53 +03002813 WIPHY_FLAG_NETNS_OK = BIT(3),
2814 WIPHY_FLAG_PS_ON_BY_DEFAULT = BIT(4),
2815 WIPHY_FLAG_4ADDR_AP = BIT(5),
2816 WIPHY_FLAG_4ADDR_STATION = BIT(6),
2817 WIPHY_FLAG_CONTROL_PORT_PROTOCOL = BIT(7),
Jussi Kivilinna309075c2010-11-12 08:53:56 +02002818 WIPHY_FLAG_IBSS_RSN = BIT(8),
Javier Cardona15d5dda2011-04-07 15:08:28 -07002819 WIPHY_FLAG_MESH_AUTH = BIT(10),
Luciano Coelho807f8a82011-05-11 17:09:35 +03002820 WIPHY_FLAG_SUPPORTS_SCHED_SCAN = BIT(11),
Johannes Berg8e8b41f2012-03-15 10:16:16 +01002821 /* use hole at 12 */
Vivek Natarajanf4b34b52011-08-29 14:23:03 +05302822 WIPHY_FLAG_SUPPORTS_FW_ROAM = BIT(13),
Eliad Pellercedb5412011-08-31 11:29:43 +03002823 WIPHY_FLAG_AP_UAPSD = BIT(14),
Arik Nemtsov109086c2011-09-28 14:12:50 +03002824 WIPHY_FLAG_SUPPORTS_TDLS = BIT(15),
2825 WIPHY_FLAG_TDLS_EXTERNAL_SETUP = BIT(16),
Johannes Berg562a7482011-11-07 12:39:33 +01002826 WIPHY_FLAG_HAVE_AP_SME = BIT(17),
Johannes Berg5e7602302011-11-04 11:18:17 +01002827 WIPHY_FLAG_REPORTS_OBSS = BIT(18),
Arik Nemtsov87bbbe22011-11-10 11:28:55 +02002828 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD = BIT(19),
Johannes Berg7c4ef712011-11-18 15:33:48 +01002829 WIPHY_FLAG_OFFCHAN_TX = BIT(20),
2830 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL = BIT(21),
Simon Wunderlich2f301ab2013-05-16 13:00:28 +02002831 WIPHY_FLAG_SUPPORTS_5_10_MHZ = BIT(22),
Simon Wunderlich16ef1fe2013-07-11 16:09:05 +02002832 WIPHY_FLAG_HAS_CHANNEL_SWITCH = BIT(23),
Johannes Berg7527a782011-05-13 10:58:57 +02002833};
2834
2835/**
2836 * struct ieee80211_iface_limit - limit on certain interface types
2837 * @max: maximum number of interfaces of these types
2838 * @types: interface types (bits)
2839 */
2840struct ieee80211_iface_limit {
2841 u16 max;
2842 u16 types;
2843};
2844
2845/**
2846 * struct ieee80211_iface_combination - possible interface combination
2847 * @limits: limits for the given interface types
2848 * @n_limits: number of limitations
2849 * @num_different_channels: can use up to this many different channels
2850 * @max_interfaces: maximum number of interfaces in total allowed in this
2851 * group
2852 * @beacon_int_infra_match: In this combination, the beacon intervals
2853 * between infrastructure and AP types must match. This is required
2854 * only in special cases.
Simon Wunderlich11c4a072013-01-08 14:04:07 +01002855 * @radar_detect_widths: bitmap of channel widths supported for radar detection
Felix Fietkau8c48b502014-05-05 11:48:40 +02002856 * @radar_detect_regions: bitmap of regions supported for radar detection
Johannes Berg7527a782011-05-13 10:58:57 +02002857 *
Luciano Coelhob80edbc2014-02-20 16:45:34 +02002858 * With this structure the driver can describe which interface
2859 * combinations it supports concurrently.
Johannes Berg7527a782011-05-13 10:58:57 +02002860 *
Luciano Coelhob80edbc2014-02-20 16:45:34 +02002861 * Examples:
2862 *
2863 * 1. Allow #STA <= 1, #AP <= 1, matching BI, channels = 1, 2 total:
Johannes Berg7527a782011-05-13 10:58:57 +02002864 *
2865 * struct ieee80211_iface_limit limits1[] = {
2866 * { .max = 1, .types = BIT(NL80211_IFTYPE_STATION), },
2867 * { .max = 1, .types = BIT(NL80211_IFTYPE_AP}, },
2868 * };
2869 * struct ieee80211_iface_combination combination1 = {
2870 * .limits = limits1,
2871 * .n_limits = ARRAY_SIZE(limits1),
2872 * .max_interfaces = 2,
2873 * .beacon_int_infra_match = true,
2874 * };
2875 *
2876 *
Luciano Coelhob80edbc2014-02-20 16:45:34 +02002877 * 2. Allow #{AP, P2P-GO} <= 8, channels = 1, 8 total:
Johannes Berg7527a782011-05-13 10:58:57 +02002878 *
2879 * struct ieee80211_iface_limit limits2[] = {
2880 * { .max = 8, .types = BIT(NL80211_IFTYPE_AP) |
2881 * BIT(NL80211_IFTYPE_P2P_GO), },
2882 * };
2883 * struct ieee80211_iface_combination combination2 = {
2884 * .limits = limits2,
2885 * .n_limits = ARRAY_SIZE(limits2),
2886 * .max_interfaces = 8,
2887 * .num_different_channels = 1,
2888 * };
2889 *
2890 *
Luciano Coelhob80edbc2014-02-20 16:45:34 +02002891 * 3. Allow #STA <= 1, #{P2P-client,P2P-GO} <= 3 on two channels, 4 total.
2892 *
Johannes Berg7527a782011-05-13 10:58:57 +02002893 * This allows for an infrastructure connection and three P2P connections.
2894 *
2895 * struct ieee80211_iface_limit limits3[] = {
2896 * { .max = 1, .types = BIT(NL80211_IFTYPE_STATION), },
2897 * { .max = 3, .types = BIT(NL80211_IFTYPE_P2P_GO) |
2898 * BIT(NL80211_IFTYPE_P2P_CLIENT), },
2899 * };
2900 * struct ieee80211_iface_combination combination3 = {
2901 * .limits = limits3,
2902 * .n_limits = ARRAY_SIZE(limits3),
2903 * .max_interfaces = 4,
2904 * .num_different_channels = 2,
2905 * };
2906 */
2907struct ieee80211_iface_combination {
2908 const struct ieee80211_iface_limit *limits;
2909 u32 num_different_channels;
2910 u16 max_interfaces;
2911 u8 n_limits;
2912 bool beacon_int_infra_match;
Simon Wunderlich11c4a072013-01-08 14:04:07 +01002913 u8 radar_detect_widths;
Felix Fietkau8c48b502014-05-05 11:48:40 +02002914 u8 radar_detect_regions;
Johannes Berg5be83de2009-11-19 00:56:28 +01002915};
2916
Johannes Berg2e161f72010-08-12 15:38:38 +02002917struct ieee80211_txrx_stypes {
2918 u16 tx, rx;
2919};
2920
Johannes Berg5be83de2009-11-19 00:56:28 +01002921/**
Johannes Bergff1b6e62011-05-04 15:37:28 +02002922 * enum wiphy_wowlan_support_flags - WoWLAN support flags
2923 * @WIPHY_WOWLAN_ANY: supports wakeup for the special "any"
2924 * trigger that keeps the device operating as-is and
2925 * wakes up the host on any activity, for example a
2926 * received packet that passed filtering; note that the
2927 * packet should be preserved in that case
2928 * @WIPHY_WOWLAN_MAGIC_PKT: supports wakeup on magic packet
2929 * (see nl80211.h)
2930 * @WIPHY_WOWLAN_DISCONNECT: supports wakeup on disconnect
Johannes Berg77dbbb12011-07-13 10:48:55 +02002931 * @WIPHY_WOWLAN_SUPPORTS_GTK_REKEY: supports GTK rekeying while asleep
2932 * @WIPHY_WOWLAN_GTK_REKEY_FAILURE: supports wakeup on GTK rekey failure
2933 * @WIPHY_WOWLAN_EAP_IDENTITY_REQ: supports wakeup on EAP identity request
2934 * @WIPHY_WOWLAN_4WAY_HANDSHAKE: supports wakeup on 4-way handshake failure
2935 * @WIPHY_WOWLAN_RFKILL_RELEASE: supports wakeup on RF-kill release
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002936 * @WIPHY_WOWLAN_NET_DETECT: supports wakeup on network detection
Johannes Bergff1b6e62011-05-04 15:37:28 +02002937 */
2938enum wiphy_wowlan_support_flags {
Johannes Berg77dbbb12011-07-13 10:48:55 +02002939 WIPHY_WOWLAN_ANY = BIT(0),
2940 WIPHY_WOWLAN_MAGIC_PKT = BIT(1),
2941 WIPHY_WOWLAN_DISCONNECT = BIT(2),
2942 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY = BIT(3),
2943 WIPHY_WOWLAN_GTK_REKEY_FAILURE = BIT(4),
2944 WIPHY_WOWLAN_EAP_IDENTITY_REQ = BIT(5),
2945 WIPHY_WOWLAN_4WAY_HANDSHAKE = BIT(6),
2946 WIPHY_WOWLAN_RFKILL_RELEASE = BIT(7),
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002947 WIPHY_WOWLAN_NET_DETECT = BIT(8),
Johannes Bergff1b6e62011-05-04 15:37:28 +02002948};
2949
Johannes Berg2a0e0472013-01-23 22:57:40 +01002950struct wiphy_wowlan_tcp_support {
2951 const struct nl80211_wowlan_tcp_data_token_feature *tok;
2952 u32 data_payload_max;
2953 u32 data_interval_max;
2954 u32 wake_payload_max;
2955 bool seq;
2956};
2957
Johannes Bergff1b6e62011-05-04 15:37:28 +02002958/**
2959 * struct wiphy_wowlan_support - WoWLAN support data
2960 * @flags: see &enum wiphy_wowlan_support_flags
2961 * @n_patterns: number of supported wakeup patterns
2962 * (see nl80211.h for the pattern definition)
2963 * @pattern_max_len: maximum length of each pattern
2964 * @pattern_min_len: minimum length of each pattern
Amitkumar Karwarbb92d192013-02-12 12:16:26 -08002965 * @max_pkt_offset: maximum Rx packet offset
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002966 * @max_nd_match_sets: maximum number of matchsets for net-detect,
2967 * similar, but not necessarily identical, to max_match_sets for
2968 * scheduled scans.
2969 * See &struct cfg80211_sched_scan_request.@match_sets for more
2970 * details.
Johannes Berg2a0e0472013-01-23 22:57:40 +01002971 * @tcp: TCP wakeup support information
Johannes Bergff1b6e62011-05-04 15:37:28 +02002972 */
2973struct wiphy_wowlan_support {
2974 u32 flags;
2975 int n_patterns;
2976 int pattern_max_len;
2977 int pattern_min_len;
Amitkumar Karwarbb92d192013-02-12 12:16:26 -08002978 int max_pkt_offset;
Luciano Coelho8cd4d452014-09-17 11:55:28 +03002979 int max_nd_match_sets;
Johannes Berg2a0e0472013-01-23 22:57:40 +01002980 const struct wiphy_wowlan_tcp_support *tcp;
Johannes Bergff1b6e62011-05-04 15:37:28 +02002981};
2982
2983/**
Amitkumar Karwarbe29b992013-06-28 11:51:26 -07002984 * struct wiphy_coalesce_support - coalesce support data
2985 * @n_rules: maximum number of coalesce rules
2986 * @max_delay: maximum supported coalescing delay in msecs
2987 * @n_patterns: number of supported patterns in a rule
2988 * (see nl80211.h for the pattern definition)
2989 * @pattern_max_len: maximum length of each pattern
2990 * @pattern_min_len: minimum length of each pattern
2991 * @max_pkt_offset: maximum Rx packet offset
2992 */
2993struct wiphy_coalesce_support {
2994 int n_rules;
2995 int max_delay;
2996 int n_patterns;
2997 int pattern_max_len;
2998 int pattern_min_len;
2999 int max_pkt_offset;
3000};
3001
3002/**
Johannes Bergad7e7182013-11-13 13:37:47 +01003003 * enum wiphy_vendor_command_flags - validation flags for vendor commands
3004 * @WIPHY_VENDOR_CMD_NEED_WDEV: vendor command requires wdev
3005 * @WIPHY_VENDOR_CMD_NEED_NETDEV: vendor command requires netdev
3006 * @WIPHY_VENDOR_CMD_NEED_RUNNING: interface/wdev must be up & running
3007 * (must be combined with %_WDEV or %_NETDEV)
3008 */
3009enum wiphy_vendor_command_flags {
3010 WIPHY_VENDOR_CMD_NEED_WDEV = BIT(0),
3011 WIPHY_VENDOR_CMD_NEED_NETDEV = BIT(1),
3012 WIPHY_VENDOR_CMD_NEED_RUNNING = BIT(2),
3013};
3014
3015/**
3016 * struct wiphy_vendor_command - vendor command definition
3017 * @info: vendor command identifying information, as used in nl80211
3018 * @flags: flags, see &enum wiphy_vendor_command_flags
3019 * @doit: callback for the operation, note that wdev is %NULL if the
3020 * flags didn't ask for a wdev and non-%NULL otherwise; the data
3021 * pointer may be %NULL if userspace provided no data at all
Johannes Berg7bdbe402015-08-15 22:39:49 +03003022 * @dumpit: dump callback, for transferring bigger/multiple items. The
3023 * @storage points to cb->args[5], ie. is preserved over the multiple
3024 * dumpit calls.
3025 * It's recommended to not have the same sub command with both @doit and
3026 * @dumpit, so that userspace can assume certain ones are get and others
3027 * are used with dump requests.
Johannes Bergad7e7182013-11-13 13:37:47 +01003028 */
3029struct wiphy_vendor_command {
3030 struct nl80211_vendor_cmd_info info;
3031 u32 flags;
3032 int (*doit)(struct wiphy *wiphy, struct wireless_dev *wdev,
3033 const void *data, int data_len);
Johannes Berg7bdbe402015-08-15 22:39:49 +03003034 int (*dumpit)(struct wiphy *wiphy, struct wireless_dev *wdev,
3035 struct sk_buff *skb, const void *data, int data_len,
3036 unsigned long *storage);
Johannes Bergad7e7182013-11-13 13:37:47 +01003037};
3038
3039/**
Johannes Berg5be83de2009-11-19 00:56:28 +01003040 * struct wiphy - wireless hardware description
Luis R. Rodriguez2784fe92010-12-15 19:24:11 -08003041 * @reg_notifier: the driver's regulatory notification callback,
3042 * note that if your driver uses wiphy_apply_custom_regulatory()
3043 * the reg_notifier's request can be passed as NULL
Johannes Bergd3236552009-04-20 14:31:42 +02003044 * @regd: the driver's regulatory domain, if one was requested via
3045 * the regulatory_hint() API. This can be used by the driver
3046 * on the reg_notifier() if it chooses to ignore future
3047 * regulatory domain changes caused by other drivers.
3048 * @signal_type: signal type reported in &struct cfg80211_bss.
3049 * @cipher_suites: supported cipher suites
3050 * @n_cipher_suites: number of supported cipher suites
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02003051 * @retry_short: Retry limit for short frames (dot11ShortRetryLimit)
3052 * @retry_long: Retry limit for long frames (dot11LongRetryLimit)
3053 * @frag_threshold: Fragmentation threshold (dot11FragmentationThreshold);
3054 * -1 = fragmentation disabled, only odd values >= 256 used
3055 * @rts_threshold: RTS threshold (dot11RTSThreshold); -1 = RTS/CTS disabled
Johannes Bergabe37c42010-06-07 11:12:27 +02003056 * @_net: the network namespace this wiphy currently lives in
Johannes Bergef15aac2010-01-20 12:02:33 +01003057 * @perm_addr: permanent MAC address of this device
3058 * @addr_mask: If the device supports multiple MAC addresses by masking,
3059 * set this to a mask with variable bits set to 1, e.g. if the last
Luciano Coelho0fcf8ac2014-02-20 16:45:33 +02003060 * four bits are variable then set it to 00-00-00-00-00-0f. The actual
Johannes Bergef15aac2010-01-20 12:02:33 +01003061 * variable bits shall be determined by the interfaces added, with
3062 * interfaces not matching the mask being rejected to be brought up.
3063 * @n_addresses: number of addresses in @addresses.
3064 * @addresses: If the device has more than one address, set this pointer
3065 * to a list of addresses (6 bytes each). The first one will be used
3066 * by default for perm_addr. In this case, the mask should be set to
3067 * all-zeroes. In this case it is assumed that the device can handle
3068 * the same number of arbitrary MAC addresses.
Randy Dunlapfd235912011-09-08 10:16:50 -07003069 * @registered: protects ->resume and ->suspend sysfs callbacks against
3070 * unregister hardware
Johannes Bergabe37c42010-06-07 11:12:27 +02003071 * @debugfsdir: debugfs directory used for this wiphy, will be renamed
3072 * automatically on wiphy renames
3073 * @dev: (virtual) struct device for this wiphy
Stanislaw Gruszka4a711a82011-08-25 17:07:24 +02003074 * @registered: helps synchronize suspend/resume with wiphy unregister
Johannes Bergabe37c42010-06-07 11:12:27 +02003075 * @wext: wireless extension handlers
3076 * @priv: driver private data (sized according to wiphy_new() parameter)
3077 * @interface_modes: bitmask of interfaces types valid for this wiphy,
3078 * must be set by driver
Johannes Berg7527a782011-05-13 10:58:57 +02003079 * @iface_combinations: Valid interface combinations array, should not
3080 * list single interface types.
3081 * @n_iface_combinations: number of entries in @iface_combinations array.
3082 * @software_iftypes: bitmask of software interface types, these are not
3083 * subject to any restrictions since they are purely managed in SW.
Johannes Bergabe37c42010-06-07 11:12:27 +02003084 * @flags: wiphy flags, see &enum wiphy_flags
Luis R. Rodrigueza2f73b62013-11-11 22:15:29 +01003085 * @regulatory_flags: wiphy regulatory flags, see
3086 * &enum ieee80211_regulatory_flags
Johannes Berg1f074bd2011-11-06 14:13:33 +01003087 * @features: features advertised to nl80211, see &enum nl80211_feature_flags.
Gautam Kumar Shuklad75bb062014-12-23 16:55:19 +01003088 * @ext_features: extended features advertised to nl80211, see
3089 * &enum nl80211_ext_feature_index.
Johannes Bergabe37c42010-06-07 11:12:27 +02003090 * @bss_priv_size: each BSS struct has private data allocated with it,
3091 * this variable determines its size
3092 * @max_scan_ssids: maximum number of SSIDs the device can scan for in
3093 * any given scan
Luciano Coelho93b6aa62011-07-13 14:57:28 +03003094 * @max_sched_scan_ssids: maximum number of SSIDs the device can scan
3095 * for in any given scheduled scan
Luciano Coelhoa1f1c212011-08-31 16:01:48 +03003096 * @max_match_sets: maximum number of match sets the device can handle
3097 * when performing a scheduled scan, 0 if filtering is not
3098 * supported.
Johannes Bergabe37c42010-06-07 11:12:27 +02003099 * @max_scan_ie_len: maximum length of user-controlled IEs device can
3100 * add to probe request frames transmitted during a scan, must not
3101 * include fixed IEs like supported rates
Luciano Coelho5a865ba2011-07-13 14:57:29 +03003102 * @max_sched_scan_ie_len: same as max_scan_ie_len, but for scheduled
3103 * scans
Avraham Stern3b06d272015-10-12 09:51:34 +03003104 * @max_sched_scan_plans: maximum number of scan plans (scan interval and number
3105 * of iterations) for scheduled scan supported by the device.
3106 * @max_sched_scan_plan_interval: maximum interval (in seconds) for a
3107 * single scan plan supported by the device.
3108 * @max_sched_scan_plan_iterations: maximum number of iterations for a single
3109 * scan plan supported by the device.
Johannes Bergabe37c42010-06-07 11:12:27 +02003110 * @coverage_class: current coverage class
3111 * @fw_version: firmware version for ethtool reporting
3112 * @hw_version: hardware version for ethtool reporting
3113 * @max_num_pmkids: maximum number of PMKIDs supported by device
3114 * @privid: a pointer that drivers can use to identify if an arbitrary
3115 * wiphy is theirs, e.g. in global notifiers
3116 * @bands: information about bands/channels supported by this device
Johannes Berg2e161f72010-08-12 15:38:38 +02003117 *
3118 * @mgmt_stypes: bitmasks of frame subtypes that can be subscribed to or
3119 * transmitted through nl80211, points to an array indexed by interface
3120 * type
Bruno Randolfa7ffac92010-12-08 13:59:24 +09003121 *
Bruno Randolf7f531e02010-12-16 11:30:22 +09003122 * @available_antennas_tx: bitmap of antennas which are available to be
3123 * configured as TX antennas. Antenna configuration commands will be
3124 * rejected unless this or @available_antennas_rx is set.
3125 *
3126 * @available_antennas_rx: bitmap of antennas which are available to be
3127 * configured as RX antennas. Antenna configuration commands will be
3128 * rejected unless this or @available_antennas_tx is set.
Johannes Berga2939112010-12-14 17:54:28 +01003129 *
Randy Dunlap15f0ebc2012-01-21 11:03:00 -08003130 * @probe_resp_offload:
3131 * Bitmap of supported protocols for probe response offloading.
3132 * See &enum nl80211_probe_resp_offload_support_attr. Only valid
3133 * when the wiphy flag @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD is set.
3134 *
Johannes Berga2939112010-12-14 17:54:28 +01003135 * @max_remain_on_channel_duration: Maximum time a remain-on-channel operation
3136 * may request, if implemented.
Johannes Bergff1b6e62011-05-04 15:37:28 +02003137 *
3138 * @wowlan: WoWLAN support information
Johannes Berg6abb9cb2013-05-15 09:30:07 +02003139 * @wowlan_config: current WoWLAN configuration; this should usually not be
3140 * used since access to it is necessarily racy, use the parameter passed
3141 * to the suspend() operation instead.
Johannes Berg562a7482011-11-07 12:39:33 +01003142 *
3143 * @ap_sme_capa: AP SME capabilities, flags from &enum nl80211_ap_sme_features.
Ben Greear7e7c8922011-11-18 11:31:59 -08003144 * @ht_capa_mod_mask: Specify what ht_cap values can be over-ridden.
3145 * If null, then none can be over-ridden.
Johannes Bergee2aca32013-02-21 17:36:01 +01003146 * @vht_capa_mod_mask: Specify what VHT capabilities can be over-ridden.
3147 * If null, then none can be over-ridden.
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +05303148 *
3149 * @max_acl_mac_addrs: Maximum number of MAC addresses that the device
3150 * supports for ACL.
Johannes Berga50df0c2013-02-11 14:20:05 +01003151 *
3152 * @extended_capabilities: extended capabilities supported by the driver,
3153 * additional capabilities might be supported by userspace; these are
3154 * the 802.11 extended capabilities ("Extended Capabilities element")
3155 * and are in the same format as in the information element. See
3156 * 802.11-2012 8.4.2.29 for the defined fields.
3157 * @extended_capabilities_mask: mask of the valid values
3158 * @extended_capabilities_len: length of the extended capabilities
Amitkumar Karwarbe29b992013-06-28 11:51:26 -07003159 * @coalesce: packet coalescing support information
Johannes Bergad7e7182013-11-13 13:37:47 +01003160 *
3161 * @vendor_commands: array of vendor commands supported by the hardware
3162 * @n_vendor_commands: number of vendor commands
Johannes Berg567ffc32013-12-18 14:43:31 +01003163 * @vendor_events: array of vendor events supported by the hardware
3164 * @n_vendor_events: number of vendor events
Jouni Malinenb43504c2014-01-15 00:01:08 +02003165 *
3166 * @max_ap_assoc_sta: maximum number of associated stations supported in AP mode
3167 * (including P2P GO) or 0 to indicate no such limit is advertised. The
3168 * driver is allowed to advertise a theoretical limit that it can reach in
3169 * some cases, but may not always reach.
Luciano Coelhoc2e43232014-05-15 20:18:09 +03003170 *
3171 * @max_num_csa_counters: Number of supported csa_counters in beacons
3172 * and probe responses. This value should be set if the driver
3173 * wishes to limit the number of csa counters. Default (0) means
3174 * infinite.
Emmanuel Grumbach67af9812014-05-18 10:15:24 +03003175 * @max_adj_channel_rssi_comp: max offset of between the channel on which the
3176 * frame was sent and the channel on which the frame was heard for which
3177 * the reported rssi is still valid. If a driver is able to compensate the
3178 * low rssi when a frame is heard on different channel, then it should set
3179 * this variable to the maximal offset for which it can compensate.
3180 * This value should be set in MHz.
Johannes Bergd3236552009-04-20 14:31:42 +02003181 */
3182struct wiphy {
3183 /* assign these fields before you register the wiphy */
3184
Johannes Bergef15aac2010-01-20 12:02:33 +01003185 /* permanent MAC address(es) */
Johannes Bergd3236552009-04-20 14:31:42 +02003186 u8 perm_addr[ETH_ALEN];
Johannes Bergef15aac2010-01-20 12:02:33 +01003187 u8 addr_mask[ETH_ALEN];
3188
Johannes Bergef15aac2010-01-20 12:02:33 +01003189 struct mac_address *addresses;
Johannes Bergd3236552009-04-20 14:31:42 +02003190
Johannes Berg2e161f72010-08-12 15:38:38 +02003191 const struct ieee80211_txrx_stypes *mgmt_stypes;
3192
Johannes Berg7527a782011-05-13 10:58:57 +02003193 const struct ieee80211_iface_combination *iface_combinations;
3194 int n_iface_combinations;
3195 u16 software_iftypes;
3196
Johannes Berg2e161f72010-08-12 15:38:38 +02003197 u16 n_addresses;
3198
Johannes Bergd3236552009-04-20 14:31:42 +02003199 /* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */
3200 u16 interface_modes;
3201
Vasanthakumar Thiagarajan77765ea2013-01-18 11:18:45 +05303202 u16 max_acl_mac_addrs;
3203
Luis R. Rodrigueza2f73b62013-11-11 22:15:29 +01003204 u32 flags, regulatory_flags, features;
Gautam Kumar Shuklad75bb062014-12-23 16:55:19 +01003205 u8 ext_features[DIV_ROUND_UP(NUM_NL80211_EXT_FEATURES, 8)];
Johannes Berg463d0182009-07-14 00:33:35 +02003206
Johannes Berg562a7482011-11-07 12:39:33 +01003207 u32 ap_sme_capa;
3208
Johannes Bergd3236552009-04-20 14:31:42 +02003209 enum cfg80211_signal_type signal_type;
3210
3211 int bss_priv_size;
3212 u8 max_scan_ssids;
Luciano Coelho93b6aa62011-07-13 14:57:28 +03003213 u8 max_sched_scan_ssids;
Luciano Coelhoa1f1c212011-08-31 16:01:48 +03003214 u8 max_match_sets;
Johannes Bergd3236552009-04-20 14:31:42 +02003215 u16 max_scan_ie_len;
Luciano Coelho5a865ba2011-07-13 14:57:29 +03003216 u16 max_sched_scan_ie_len;
Avraham Stern3b06d272015-10-12 09:51:34 +03003217 u32 max_sched_scan_plans;
3218 u32 max_sched_scan_plan_interval;
3219 u32 max_sched_scan_plan_iterations;
Johannes Bergd3236552009-04-20 14:31:42 +02003220
3221 int n_cipher_suites;
3222 const u32 *cipher_suites;
3223
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02003224 u8 retry_short;
3225 u8 retry_long;
3226 u32 frag_threshold;
3227 u32 rts_threshold;
Lukáš Turek81077e82009-12-21 22:50:47 +01003228 u8 coverage_class;
Jouni Malinenb9a5f8ca2009-04-20 18:39:05 +02003229
Jiri Pirko81135542013-01-06 02:12:51 +00003230 char fw_version[ETHTOOL_FWVERS_LEN];
Kalle Valodfce95f2009-09-24 11:02:42 -07003231 u32 hw_version;
3232
Johannes Bergdfb89c52012-06-27 09:23:48 +02003233#ifdef CONFIG_PM
Johannes Berg964dc9e2013-06-03 17:25:34 +02003234 const struct wiphy_wowlan_support *wowlan;
Johannes Berg6abb9cb2013-05-15 09:30:07 +02003235 struct cfg80211_wowlan *wowlan_config;
Johannes Bergdfb89c52012-06-27 09:23:48 +02003236#endif
Johannes Bergff1b6e62011-05-04 15:37:28 +02003237
Johannes Berga2939112010-12-14 17:54:28 +01003238 u16 max_remain_on_channel_duration;
3239
Samuel Ortiz67fbb162009-11-24 23:59:15 +01003240 u8 max_num_pmkids;
3241
Bruno Randolf7f531e02010-12-16 11:30:22 +09003242 u32 available_antennas_tx;
3243 u32 available_antennas_rx;
Bruno Randolfa7ffac92010-12-08 13:59:24 +09003244
Arik Nemtsov87bbbe22011-11-10 11:28:55 +02003245 /*
3246 * Bitmap of supported protocols for probe response offloading
3247 * see &enum nl80211_probe_resp_offload_support_attr. Only valid
3248 * when the wiphy flag @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD is set.
3249 */
3250 u32 probe_resp_offload;
3251
Johannes Berga50df0c2013-02-11 14:20:05 +01003252 const u8 *extended_capabilities, *extended_capabilities_mask;
3253 u8 extended_capabilities_len;
3254
Johannes Bergd3236552009-04-20 14:31:42 +02003255 /* If multiple wiphys are registered and you're handed e.g.
3256 * a regular netdev with assigned ieee80211_ptr, you won't
3257 * know whether it points to a wiphy your driver has registered
3258 * or not. Assign this to something global to your driver to
3259 * help determine whether you own this wiphy or not. */
David Kilroycf5aa2f2009-05-16 23:13:47 +01003260 const void *privid;
Johannes Bergd3236552009-04-20 14:31:42 +02003261
3262 struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS];
3263
3264 /* Lets us get back the wiphy on the callback */
Luis R. Rodriguez0c0280b2013-01-11 18:39:36 +00003265 void (*reg_notifier)(struct wiphy *wiphy,
3266 struct regulatory_request *request);
Johannes Bergd3236552009-04-20 14:31:42 +02003267
3268 /* fields below are read-only, assigned by cfg80211 */
3269
Johannes Berg458f4f92012-12-06 15:47:38 +01003270 const struct ieee80211_regdomain __rcu *regd;
Johannes Bergd3236552009-04-20 14:31:42 +02003271
3272 /* the item in /sys/class/ieee80211/ points to this,
3273 * you need use set_wiphy_dev() (see below) */
3274 struct device dev;
3275
Stanislaw Gruszkaecb44332011-08-12 14:00:59 +02003276 /* protects ->resume, ->suspend sysfs callbacks against unregister hw */
3277 bool registered;
3278
Johannes Bergd3236552009-04-20 14:31:42 +02003279 /* dir in debugfs: ieee80211/<wiphyname> */
3280 struct dentry *debugfsdir;
3281
Ben Greear7e7c8922011-11-18 11:31:59 -08003282 const struct ieee80211_ht_cap *ht_capa_mod_mask;
Johannes Bergee2aca32013-02-21 17:36:01 +01003283 const struct ieee80211_vht_cap *vht_capa_mod_mask;
Ben Greear7e7c8922011-11-18 11:31:59 -08003284
Johannes Berg463d0182009-07-14 00:33:35 +02003285 /* the network namespace this phy lives in currently */
Eric W. Biederman0c5c9fb2015-03-11 23:06:44 -05003286 possible_net_t _net;
Johannes Berg463d0182009-07-14 00:33:35 +02003287
Johannes Berg3d23e342009-09-29 23:27:28 +02003288#ifdef CONFIG_CFG80211_WEXT
3289 const struct iw_handler_def *wext;
3290#endif
3291
Amitkumar Karwarbe29b992013-06-28 11:51:26 -07003292 const struct wiphy_coalesce_support *coalesce;
3293
Johannes Bergad7e7182013-11-13 13:37:47 +01003294 const struct wiphy_vendor_command *vendor_commands;
Johannes Berg567ffc32013-12-18 14:43:31 +01003295 const struct nl80211_vendor_cmd_info *vendor_events;
3296 int n_vendor_commands, n_vendor_events;
Johannes Bergad7e7182013-11-13 13:37:47 +01003297
Jouni Malinenb43504c2014-01-15 00:01:08 +02003298 u16 max_ap_assoc_sta;
3299
Andrei Otcheretianski9a774c72014-05-09 14:11:46 +03003300 u8 max_num_csa_counters;
Emmanuel Grumbach67af9812014-05-18 10:15:24 +03003301 u8 max_adj_channel_rssi_comp;
Andrei Otcheretianski9a774c72014-05-09 14:11:46 +03003302
Johannes Berg1c06ef92012-12-28 12:22:02 +01003303 char priv[0] __aligned(NETDEV_ALIGN);
Johannes Bergd3236552009-04-20 14:31:42 +02003304};
3305
Johannes Berg463d0182009-07-14 00:33:35 +02003306static inline struct net *wiphy_net(struct wiphy *wiphy)
3307{
Eric Dumazetc2d9ba92010-06-01 06:51:19 +00003308 return read_pnet(&wiphy->_net);
Johannes Berg463d0182009-07-14 00:33:35 +02003309}
3310
3311static inline void wiphy_net_set(struct wiphy *wiphy, struct net *net)
3312{
Eric Dumazetc2d9ba92010-06-01 06:51:19 +00003313 write_pnet(&wiphy->_net, net);
Johannes Berg463d0182009-07-14 00:33:35 +02003314}
Johannes Berg463d0182009-07-14 00:33:35 +02003315
Johannes Bergd3236552009-04-20 14:31:42 +02003316/**
3317 * wiphy_priv - return priv from wiphy
3318 *
3319 * @wiphy: the wiphy whose priv pointer to return
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003320 * Return: The priv of @wiphy.
Johannes Bergd3236552009-04-20 14:31:42 +02003321 */
3322static inline void *wiphy_priv(struct wiphy *wiphy)
3323{
3324 BUG_ON(!wiphy);
3325 return &wiphy->priv;
3326}
3327
3328/**
David Kilroyf1f74822009-06-18 23:21:13 +01003329 * priv_to_wiphy - return the wiphy containing the priv
3330 *
3331 * @priv: a pointer previously returned by wiphy_priv
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003332 * Return: The wiphy of @priv.
David Kilroyf1f74822009-06-18 23:21:13 +01003333 */
3334static inline struct wiphy *priv_to_wiphy(void *priv)
3335{
3336 BUG_ON(!priv);
3337 return container_of(priv, struct wiphy, priv);
3338}
3339
3340/**
Johannes Bergd3236552009-04-20 14:31:42 +02003341 * set_wiphy_dev - set device pointer for wiphy
3342 *
3343 * @wiphy: The wiphy whose device to bind
3344 * @dev: The device to parent it to
3345 */
3346static inline void set_wiphy_dev(struct wiphy *wiphy, struct device *dev)
3347{
3348 wiphy->dev.parent = dev;
3349}
3350
3351/**
3352 * wiphy_dev - get wiphy dev pointer
3353 *
3354 * @wiphy: The wiphy whose device struct to look up
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003355 * Return: The dev of @wiphy.
Johannes Bergd3236552009-04-20 14:31:42 +02003356 */
3357static inline struct device *wiphy_dev(struct wiphy *wiphy)
3358{
3359 return wiphy->dev.parent;
3360}
3361
3362/**
3363 * wiphy_name - get wiphy name
3364 *
3365 * @wiphy: The wiphy whose name to return
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003366 * Return: The name of @wiphy.
Johannes Bergd3236552009-04-20 14:31:42 +02003367 */
Joe Perchese1db74f2010-07-26 14:39:57 -07003368static inline const char *wiphy_name(const struct wiphy *wiphy)
Johannes Bergd3236552009-04-20 14:31:42 +02003369{
3370 return dev_name(&wiphy->dev);
3371}
3372
3373/**
Ben Greear1998d902014-10-22 12:23:00 -07003374 * wiphy_new_nm - create a new wiphy for use with cfg80211
3375 *
3376 * @ops: The configuration operations for this device
3377 * @sizeof_priv: The size of the private area to allocate
3378 * @requested_name: Request a particular name.
3379 * NULL is valid value, and means use the default phy%d naming.
3380 *
3381 * Create a new wiphy and associate the given operations with it.
3382 * @sizeof_priv bytes are allocated for private use.
3383 *
3384 * Return: A pointer to the new wiphy. This pointer must be
3385 * assigned to each netdev's ieee80211_ptr for proper operation.
3386 */
3387struct wiphy *wiphy_new_nm(const struct cfg80211_ops *ops, int sizeof_priv,
3388 const char *requested_name);
3389
3390/**
Johannes Bergd3236552009-04-20 14:31:42 +02003391 * wiphy_new - create a new wiphy for use with cfg80211
3392 *
3393 * @ops: The configuration operations for this device
3394 * @sizeof_priv: The size of the private area to allocate
3395 *
3396 * Create a new wiphy and associate the given operations with it.
3397 * @sizeof_priv bytes are allocated for private use.
3398 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003399 * Return: A pointer to the new wiphy. This pointer must be
3400 * assigned to each netdev's ieee80211_ptr for proper operation.
Johannes Bergd3236552009-04-20 14:31:42 +02003401 */
Ben Greear1998d902014-10-22 12:23:00 -07003402static inline struct wiphy *wiphy_new(const struct cfg80211_ops *ops,
3403 int sizeof_priv)
3404{
3405 return wiphy_new_nm(ops, sizeof_priv, NULL);
3406}
Johannes Bergd3236552009-04-20 14:31:42 +02003407
3408/**
3409 * wiphy_register - register a wiphy with cfg80211
3410 *
3411 * @wiphy: The wiphy to register.
3412 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003413 * Return: A non-negative wiphy index or a negative error code.
Johannes Bergd3236552009-04-20 14:31:42 +02003414 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003415int wiphy_register(struct wiphy *wiphy);
Johannes Bergd3236552009-04-20 14:31:42 +02003416
3417/**
3418 * wiphy_unregister - deregister a wiphy from cfg80211
3419 *
3420 * @wiphy: The wiphy to unregister.
3421 *
3422 * After this call, no more requests can be made with this priv
3423 * pointer, but the call may sleep to wait for an outstanding
3424 * request that is being handled.
3425 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003426void wiphy_unregister(struct wiphy *wiphy);
Johannes Bergd3236552009-04-20 14:31:42 +02003427
3428/**
3429 * wiphy_free - free wiphy
3430 *
3431 * @wiphy: The wiphy to free
3432 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003433void wiphy_free(struct wiphy *wiphy);
Johannes Bergd3236552009-04-20 14:31:42 +02003434
Johannes Bergfffd0932009-07-08 14:22:54 +02003435/* internal structs */
Johannes Berg6829c872009-07-02 09:13:27 +02003436struct cfg80211_conn;
Johannes Berg19957bb2009-07-02 17:20:43 +02003437struct cfg80211_internal_bss;
Johannes Bergfffd0932009-07-08 14:22:54 +02003438struct cfg80211_cached_keys;
Johannes Berg19957bb2009-07-02 17:20:43 +02003439
Johannes Bergd3236552009-04-20 14:31:42 +02003440/**
Johannes Berg89a54e42012-06-15 14:33:17 +02003441 * struct wireless_dev - wireless device state
Johannes Bergd3236552009-04-20 14:31:42 +02003442 *
Johannes Berg89a54e42012-06-15 14:33:17 +02003443 * For netdevs, this structure must be allocated by the driver
3444 * that uses the ieee80211_ptr field in struct net_device (this
3445 * is intentional so it can be allocated along with the netdev.)
3446 * It need not be registered then as netdev registration will
3447 * be intercepted by cfg80211 to see the new wireless device.
3448 *
3449 * For non-netdev uses, it must also be allocated by the driver
3450 * in response to the cfg80211 callbacks that require it, as
3451 * there's no netdev registration in that case it may not be
3452 * allocated outside of callback operations that return it.
Johannes Bergd3236552009-04-20 14:31:42 +02003453 *
3454 * @wiphy: pointer to hardware description
3455 * @iftype: interface type
3456 * @list: (private) Used to collect the interfaces
Johannes Berg89a54e42012-06-15 14:33:17 +02003457 * @netdev: (private) Used to reference back to the netdev, may be %NULL
3458 * @identifier: (private) Identifier used in nl80211 to identify this
3459 * wireless device if it has no netdev
Johannes Bergd3236552009-04-20 14:31:42 +02003460 * @current_bss: (private) Used by the internal configuration code
Michal Kazior9e0e2962014-01-29 14:22:27 +01003461 * @chandef: (private) Used by the internal configuration code to track
3462 * the user-set channel definition.
Johannes Berg780b40d2013-06-05 09:32:50 +02003463 * @preset_chandef: (private) Used by the internal configuration code to
Johannes Bergaa430da2012-05-16 23:50:18 +02003464 * track the channel to be used for AP later
Johannes Bergd3236552009-04-20 14:31:42 +02003465 * @bssid: (private) Used by the internal configuration code
3466 * @ssid: (private) Used by the internal configuration code
3467 * @ssid_len: (private) Used by the internal configuration code
Johannes Berg29cbe682010-12-03 09:20:44 +01003468 * @mesh_id_len: (private) Used by the internal configuration code
3469 * @mesh_id_up_len: (private) Used by the internal configuration code
Johannes Bergd3236552009-04-20 14:31:42 +02003470 * @wext: (private) Used by the internal wireless extensions compat code
Johannes Berg9bc383d2009-11-19 11:55:19 +01003471 * @use_4addr: indicates 4addr mode is used on this interface, must be
3472 * set by driver (if supported) on add_interface BEFORE registering the
3473 * netdev and may otherwise be used by driver read-only, will be update
3474 * by cfg80211 on change_interface
Johannes Berg2e161f72010-08-12 15:38:38 +02003475 * @mgmt_registrations: list of registrations for management frames
3476 * @mgmt_registrations_lock: lock for the list
Johannes Berg8d61ffa2013-05-10 12:32:47 +02003477 * @mtx: mutex used to lock data in this struct, may be used by drivers
3478 * and some API functions require it held
Johannes Berg56d18932011-05-09 18:41:15 +02003479 * @beacon_interval: beacon interval used on this device for transmitting
3480 * beacons, 0 when not valid
Johannes Berg98104fde2012-06-16 00:19:54 +02003481 * @address: The address for this device, valid only if @netdev is %NULL
3482 * @p2p_started: true if this is a P2P Device that has been started
Simon Wunderlich04f39042013-02-08 18:16:19 +01003483 * @cac_started: true if DFS channel availability check has been started
3484 * @cac_start_time: timestamp (jiffies) when the dfs state was entered.
Janusz Dziedzic31559f32014-02-21 19:46:13 +01003485 * @cac_time_ms: CAC time in ms
Johannes Berg780b40d2013-06-05 09:32:50 +02003486 * @ps: powersave mode is enabled
3487 * @ps_timeout: dynamic powersave timeout
3488 * @ap_unexpected_nlportid: (private) netlink port ID of application
3489 * registered for unexpected class 3 frames (AP mode)
3490 * @conn: (private) cfg80211 software SME connection state machine data
3491 * @connect_keys: (private) keys to set after connection is established
3492 * @ibss_fixed: (private) IBSS is using fixed BSSID
Simon Wunderlich5336fa82013-10-07 18:41:05 +02003493 * @ibss_dfs_possible: (private) IBSS may change to a DFS channel
Johannes Berg780b40d2013-06-05 09:32:50 +02003494 * @event_list: (private) list for internal event processing
3495 * @event_lock: (private) lock for event list
Johannes Berg78f22b62014-03-24 17:57:27 +01003496 * @owner_nlportid: (private) owner socket port ID
Johannes Bergd3236552009-04-20 14:31:42 +02003497 */
3498struct wireless_dev {
3499 struct wiphy *wiphy;
3500 enum nl80211_iftype iftype;
3501
Johannes Berg667503dd2009-07-07 03:56:11 +02003502 /* the remainder of this struct should be private to cfg80211 */
Johannes Bergd3236552009-04-20 14:31:42 +02003503 struct list_head list;
3504 struct net_device *netdev;
3505
Johannes Berg89a54e42012-06-15 14:33:17 +02003506 u32 identifier;
3507
Johannes Berg2e161f72010-08-12 15:38:38 +02003508 struct list_head mgmt_registrations;
3509 spinlock_t mgmt_registrations_lock;
Jouni Malinen026331c2010-02-15 12:53:10 +02003510
Johannes Berg667503dd2009-07-07 03:56:11 +02003511 struct mutex mtx;
3512
Johannes Berg98104fde2012-06-16 00:19:54 +02003513 bool use_4addr, p2p_started;
3514
3515 u8 address[ETH_ALEN] __aligned(sizeof(u16));
Johannes Berg9bc383d2009-11-19 11:55:19 +01003516
Samuel Ortizb23aa672009-07-01 21:26:54 +02003517 /* currently used for IBSS and SME - might be rearranged later */
Johannes Bergd3236552009-04-20 14:31:42 +02003518 u8 ssid[IEEE80211_MAX_SSID_LEN];
Johannes Berg29cbe682010-12-03 09:20:44 +01003519 u8 ssid_len, mesh_id_len, mesh_id_up_len;
Johannes Berg6829c872009-07-02 09:13:27 +02003520 struct cfg80211_conn *conn;
Johannes Bergfffd0932009-07-08 14:22:54 +02003521 struct cfg80211_cached_keys *connect_keys;
Johannes Bergd3236552009-04-20 14:31:42 +02003522
Johannes Berg667503dd2009-07-07 03:56:11 +02003523 struct list_head event_list;
3524 spinlock_t event_lock;
3525
Johannes Berg19957bb2009-07-02 17:20:43 +02003526 struct cfg80211_internal_bss *current_bss; /* associated / joined */
Johannes Berg683b6d32012-11-08 21:25:48 +01003527 struct cfg80211_chan_def preset_chandef;
Michal Kazior9e0e2962014-01-29 14:22:27 +01003528 struct cfg80211_chan_def chandef;
Michal Kaziorf4489eb2012-06-29 12:46:58 +02003529
Michal Kaziorc30a3d32012-06-29 12:46:59 +02003530 bool ibss_fixed;
Simon Wunderlich5336fa82013-10-07 18:41:05 +02003531 bool ibss_dfs_possible;
Michal Kaziorc30a3d32012-06-29 12:46:59 +02003532
Kalle Valoffb9eb32010-02-17 17:58:10 +02003533 bool ps;
3534 int ps_timeout;
3535
Johannes Berg56d18932011-05-09 18:41:15 +02003536 int beacon_interval;
3537
Eric W. Biederman15e47302012-09-07 20:12:54 +00003538 u32 ap_unexpected_nlportid;
Johannes Berg28946da2011-11-04 11:18:12 +01003539
Simon Wunderlich04f39042013-02-08 18:16:19 +01003540 bool cac_started;
3541 unsigned long cac_start_time;
Janusz Dziedzic31559f32014-02-21 19:46:13 +01003542 unsigned int cac_time_ms;
Simon Wunderlich04f39042013-02-08 18:16:19 +01003543
Johannes Berg78f22b62014-03-24 17:57:27 +01003544 u32 owner_nlportid;
3545
Johannes Berg3d23e342009-09-29 23:27:28 +02003546#ifdef CONFIG_CFG80211_WEXT
Johannes Bergd3236552009-04-20 14:31:42 +02003547 /* wext data */
Johannes Bergcbe8fa92009-05-09 20:09:03 +02003548 struct {
Johannes Bergc238c8a2009-07-07 03:56:06 +02003549 struct cfg80211_ibss_params ibss;
3550 struct cfg80211_connect_params connect;
Johannes Bergfffd0932009-07-08 14:22:54 +02003551 struct cfg80211_cached_keys *keys;
Johannes Bergc1e5f472014-05-19 17:53:16 +02003552 const u8 *ie;
Johannes Bergf2129352009-07-01 21:26:56 +02003553 size_t ie_len;
Johannes Bergf401a6f2009-08-07 14:51:05 +02003554 u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
Johannes Bergf2129352009-07-01 21:26:56 +02003555 u8 ssid[IEEE80211_MAX_SSID_LEN];
Johannes Berg08645122009-05-11 13:54:58 +02003556 s8 default_key, default_mgmt_key;
Kalle Valoffb9eb32010-02-17 17:58:10 +02003557 bool prev_bssid_valid;
Johannes Bergcbe8fa92009-05-09 20:09:03 +02003558 } wext;
Johannes Bergd3236552009-04-20 14:31:42 +02003559#endif
3560};
3561
Johannes Berg98104fde2012-06-16 00:19:54 +02003562static inline u8 *wdev_address(struct wireless_dev *wdev)
3563{
3564 if (wdev->netdev)
3565 return wdev->netdev->dev_addr;
3566 return wdev->address;
3567}
3568
Johannes Bergd3236552009-04-20 14:31:42 +02003569/**
3570 * wdev_priv - return wiphy priv from wireless_dev
3571 *
3572 * @wdev: The wireless device whose wiphy's priv pointer to return
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003573 * Return: The wiphy priv of @wdev.
Johannes Bergd3236552009-04-20 14:31:42 +02003574 */
3575static inline void *wdev_priv(struct wireless_dev *wdev)
3576{
3577 BUG_ON(!wdev);
3578 return wiphy_priv(wdev->wiphy);
3579}
3580
Johannes Bergd70e9692010-08-19 16:11:27 +02003581/**
3582 * DOC: Utility functions
3583 *
3584 * cfg80211 offers a number of utility functions that can be useful.
Johannes Bergd3236552009-04-20 14:31:42 +02003585 */
3586
3587/**
3588 * ieee80211_channel_to_frequency - convert channel number to frequency
Johannes Bergabe37c42010-06-07 11:12:27 +02003589 * @chan: channel number
Bruno Randolf59eb21a2011-01-17 13:37:28 +09003590 * @band: band, necessary due to channel number overlap
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003591 * Return: The corresponding frequency (in MHz), or 0 if the conversion failed.
Johannes Bergd3236552009-04-20 14:31:42 +02003592 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003593int ieee80211_channel_to_frequency(int chan, enum ieee80211_band band);
Johannes Bergd3236552009-04-20 14:31:42 +02003594
3595/**
3596 * ieee80211_frequency_to_channel - convert frequency to channel number
Johannes Bergabe37c42010-06-07 11:12:27 +02003597 * @freq: center frequency
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003598 * Return: The corresponding channel, or 0 if the conversion failed.
Johannes Bergd3236552009-04-20 14:31:42 +02003599 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003600int ieee80211_frequency_to_channel(int freq);
Johannes Bergd3236552009-04-20 14:31:42 +02003601
3602/*
3603 * Name indirection necessary because the ieee80211 code also has
3604 * a function named "ieee80211_get_channel", so if you include
3605 * cfg80211's header file you get cfg80211's version, if you try
3606 * to include both header files you'll (rightfully!) get a symbol
3607 * clash.
3608 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003609struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy,
3610 int freq);
Johannes Bergd3236552009-04-20 14:31:42 +02003611/**
3612 * ieee80211_get_channel - get channel struct from wiphy for specified frequency
Johannes Bergabe37c42010-06-07 11:12:27 +02003613 * @wiphy: the struct wiphy to get the channel for
3614 * @freq: the center frequency of the channel
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003615 * Return: The channel struct from @wiphy at @freq.
Johannes Bergd3236552009-04-20 14:31:42 +02003616 */
3617static inline struct ieee80211_channel *
3618ieee80211_get_channel(struct wiphy *wiphy, int freq)
3619{
3620 return __ieee80211_get_channel(wiphy, freq);
3621}
3622
3623/**
3624 * ieee80211_get_response_rate - get basic rate for a given rate
3625 *
3626 * @sband: the band to look for rates in
3627 * @basic_rates: bitmap of basic rates
3628 * @bitrate: the bitrate for which to find the basic rate
3629 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003630 * Return: The basic rate corresponding to a given bitrate, that
3631 * is the next lower bitrate contained in the basic rate map,
3632 * which is, for this function, given as a bitmap of indices of
3633 * rates in the band's bitrate table.
Johannes Bergd3236552009-04-20 14:31:42 +02003634 */
3635struct ieee80211_rate *
3636ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
3637 u32 basic_rates, int bitrate);
3638
Ashok Nagarajanb422c6c2013-05-10 17:50:51 -07003639/**
3640 * ieee80211_mandatory_rates - get mandatory rates for a given band
3641 * @sband: the band to look for rates in
Simon Wunderlich74608ac2013-07-08 16:55:54 +02003642 * @scan_width: width of the control channel
Ashok Nagarajanb422c6c2013-05-10 17:50:51 -07003643 *
3644 * This function returns a bitmap of the mandatory rates for the given
3645 * band, bits are set according to the rate position in the bitrates array.
3646 */
Simon Wunderlich74608ac2013-07-08 16:55:54 +02003647u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband,
3648 enum nl80211_bss_scan_width scan_width);
Ashok Nagarajanb422c6c2013-05-10 17:50:51 -07003649
Johannes Bergd3236552009-04-20 14:31:42 +02003650/*
3651 * Radiotap parsing functions -- for controlled injection support
3652 *
3653 * Implemented in net/wireless/radiotap.c
3654 * Documentation in Documentation/networking/radiotap-headers.txt
3655 */
3656
Johannes Berg33e5a2f2010-02-03 10:24:30 +01003657struct radiotap_align_size {
3658 uint8_t align:4, size:4;
3659};
3660
3661struct ieee80211_radiotap_namespace {
3662 const struct radiotap_align_size *align_size;
3663 int n_bits;
3664 uint32_t oui;
3665 uint8_t subns;
3666};
3667
3668struct ieee80211_radiotap_vendor_namespaces {
3669 const struct ieee80211_radiotap_namespace *ns;
3670 int n_ns;
3671};
3672
Johannes Bergd3236552009-04-20 14:31:42 +02003673/**
3674 * struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args
Johannes Berg33e5a2f2010-02-03 10:24:30 +01003675 * @this_arg_index: index of current arg, valid after each successful call
3676 * to ieee80211_radiotap_iterator_next()
3677 * @this_arg: pointer to current radiotap arg; it is valid after each
3678 * call to ieee80211_radiotap_iterator_next() but also after
3679 * ieee80211_radiotap_iterator_init() where it will point to
3680 * the beginning of the actual data portion
3681 * @this_arg_size: length of the current arg, for convenience
3682 * @current_namespace: pointer to the current namespace definition
3683 * (or internally %NULL if the current namespace is unknown)
3684 * @is_radiotap_ns: indicates whether the current namespace is the default
3685 * radiotap namespace or not
3686 *
Johannes Berg33e5a2f2010-02-03 10:24:30 +01003687 * @_rtheader: pointer to the radiotap header we are walking through
3688 * @_max_length: length of radiotap header in cpu byte ordering
3689 * @_arg_index: next argument index
3690 * @_arg: next argument pointer
3691 * @_next_bitmap: internal pointer to next present u32
3692 * @_bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present
3693 * @_vns: vendor namespace definitions
3694 * @_next_ns_data: beginning of the next namespace's data
3695 * @_reset_on_ext: internal; reset the arg index to 0 when going to the
3696 * next bitmap word
3697 *
3698 * Describes the radiotap parser state. Fields prefixed with an underscore
3699 * must not be used by users of the parser, only by the parser internally.
Johannes Bergd3236552009-04-20 14:31:42 +02003700 */
3701
3702struct ieee80211_radiotap_iterator {
Johannes Berg33e5a2f2010-02-03 10:24:30 +01003703 struct ieee80211_radiotap_header *_rtheader;
3704 const struct ieee80211_radiotap_vendor_namespaces *_vns;
3705 const struct ieee80211_radiotap_namespace *current_namespace;
Johannes Bergd3236552009-04-20 14:31:42 +02003706
Johannes Berg33e5a2f2010-02-03 10:24:30 +01003707 unsigned char *_arg, *_next_ns_data;
Johannes Berg67272442010-04-21 10:25:36 +02003708 __le32 *_next_bitmap;
Johannes Berg33e5a2f2010-02-03 10:24:30 +01003709
3710 unsigned char *this_arg;
3711 int this_arg_index;
3712 int this_arg_size;
3713
3714 int is_radiotap_ns;
3715
3716 int _max_length;
3717 int _arg_index;
3718 uint32_t _bitmap_shifter;
3719 int _reset_on_ext;
Johannes Bergd3236552009-04-20 14:31:42 +02003720};
3721
Joe Perches10dd9b72013-07-31 17:31:37 -07003722int
3723ieee80211_radiotap_iterator_init(struct ieee80211_radiotap_iterator *iterator,
3724 struct ieee80211_radiotap_header *radiotap_header,
3725 int max_length,
3726 const struct ieee80211_radiotap_vendor_namespaces *vns);
Johannes Bergd3236552009-04-20 14:31:42 +02003727
Joe Perches10dd9b72013-07-31 17:31:37 -07003728int
3729ieee80211_radiotap_iterator_next(struct ieee80211_radiotap_iterator *iterator);
Johannes Berg33e5a2f2010-02-03 10:24:30 +01003730
Johannes Bergd3236552009-04-20 14:31:42 +02003731
Zhu Yie31a16d2009-05-21 21:47:03 +08003732extern const unsigned char rfc1042_header[6];
3733extern const unsigned char bridge_tunnel_header[6];
3734
3735/**
3736 * ieee80211_get_hdrlen_from_skb - get header length from data
3737 *
Zhu Yie31a16d2009-05-21 21:47:03 +08003738 * @skb: the frame
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003739 *
3740 * Given an skb with a raw 802.11 header at the data pointer this function
3741 * returns the 802.11 header length.
3742 *
3743 * Return: The 802.11 header length in bytes (not including encryption
3744 * headers). Or 0 if the data in the sk_buff is too short to contain a valid
3745 * 802.11 header.
Zhu Yie31a16d2009-05-21 21:47:03 +08003746 */
3747unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb);
3748
3749/**
3750 * ieee80211_hdrlen - get header length in bytes from frame control
3751 * @fc: frame control field in little-endian format
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003752 * Return: The header length in bytes.
Zhu Yie31a16d2009-05-21 21:47:03 +08003753 */
Johannes Berg633adf12010-08-12 14:49:58 +02003754unsigned int __attribute_const__ ieee80211_hdrlen(__le16 fc);
Zhu Yie31a16d2009-05-21 21:47:03 +08003755
3756/**
Johannes Berg9b395bc2012-10-26 00:36:40 +02003757 * ieee80211_get_mesh_hdrlen - get mesh extension header length
3758 * @meshhdr: the mesh extension header, only the flags field
3759 * (first byte) will be accessed
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003760 * Return: The length of the extension header, which is always at
Johannes Berg9b395bc2012-10-26 00:36:40 +02003761 * least 6 bytes and at most 18 if address 5 and 6 are present.
3762 */
3763unsigned int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr);
3764
3765/**
Johannes Bergd70e9692010-08-19 16:11:27 +02003766 * DOC: Data path helpers
3767 *
3768 * In addition to generic utilities, cfg80211 also offers
3769 * functions that help implement the data path for devices
3770 * that do not do the 802.11/802.3 conversion on the device.
3771 */
3772
3773/**
Zhu Yie31a16d2009-05-21 21:47:03 +08003774 * ieee80211_data_to_8023 - convert an 802.11 data frame to 802.3
3775 * @skb: the 802.11 data frame
3776 * @addr: the device MAC address
3777 * @iftype: the virtual interface type
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003778 * Return: 0 on success. Non-zero on error.
Zhu Yie31a16d2009-05-21 21:47:03 +08003779 */
Zhu Yieaf85ca2009-12-01 10:18:37 +08003780int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr,
Zhu Yie31a16d2009-05-21 21:47:03 +08003781 enum nl80211_iftype iftype);
3782
3783/**
3784 * ieee80211_data_from_8023 - convert an 802.3 frame to 802.11
3785 * @skb: the 802.3 frame
3786 * @addr: the device MAC address
3787 * @iftype: the virtual interface type
3788 * @bssid: the network bssid (used only for iftype STATION and ADHOC)
3789 * @qos: build 802.11 QoS data frame
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003790 * Return: 0 on success, or a negative error code.
Zhu Yie31a16d2009-05-21 21:47:03 +08003791 */
Zhu Yieaf85ca2009-12-01 10:18:37 +08003792int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr,
Johannes Bergc1e5f472014-05-19 17:53:16 +02003793 enum nl80211_iftype iftype, const u8 *bssid,
3794 bool qos);
Zhu Yie31a16d2009-05-21 21:47:03 +08003795
3796/**
Zhu Yieaf85ca2009-12-01 10:18:37 +08003797 * ieee80211_amsdu_to_8023s - decode an IEEE 802.11n A-MSDU frame
3798 *
3799 * Decode an IEEE 802.11n A-MSDU frame and convert it to a list of
3800 * 802.3 frames. The @list will be empty if the decode fails. The
3801 * @skb is consumed after the function returns.
3802 *
3803 * @skb: The input IEEE 802.11n A-MSDU frame.
3804 * @list: The output list of 802.3 frames. It must be allocated and
3805 * initialized by by the caller.
3806 * @addr: The device MAC address.
3807 * @iftype: The device interface type.
3808 * @extra_headroom: The hardware extra headroom for SKBs in the @list.
Yogesh Ashok Powar8b3beca2011-05-13 11:22:31 -07003809 * @has_80211_header: Set it true if SKB is with IEEE 802.11 header.
Zhu Yieaf85ca2009-12-01 10:18:37 +08003810 */
3811void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list,
3812 const u8 *addr, enum nl80211_iftype iftype,
Yogesh Ashok Powar8b3beca2011-05-13 11:22:31 -07003813 const unsigned int extra_headroom,
3814 bool has_80211_header);
Zhu Yieaf85ca2009-12-01 10:18:37 +08003815
3816/**
Zhu Yie31a16d2009-05-21 21:47:03 +08003817 * cfg80211_classify8021d - determine the 802.1p/1d tag for a data frame
3818 * @skb: the data frame
Kyeyoon Parkfa9ffc72013-12-16 23:01:30 -08003819 * @qos_map: Interworking QoS mapping or %NULL if not in use
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003820 * Return: The 802.1p/1d tag.
Zhu Yie31a16d2009-05-21 21:47:03 +08003821 */
Kyeyoon Parkfa9ffc72013-12-16 23:01:30 -08003822unsigned int cfg80211_classify8021d(struct sk_buff *skb,
3823 struct cfg80211_qos_map *qos_map);
Zhu Yie31a16d2009-05-21 21:47:03 +08003824
Johannes Bergc21dbf92010-01-26 14:15:46 +01003825/**
3826 * cfg80211_find_ie - find information element in data
3827 *
3828 * @eid: element ID
3829 * @ies: data consisting of IEs
3830 * @len: length of data
3831 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003832 * Return: %NULL if the element ID could not be found or if
3833 * the element is invalid (claims to be longer than the given
3834 * data), or a pointer to the first byte of the requested
3835 * element, that is the byte containing the element ID.
3836 *
3837 * Note: There are no checks on the element length other than
3838 * having to fit into the given data.
Johannes Bergc21dbf92010-01-26 14:15:46 +01003839 */
3840const u8 *cfg80211_find_ie(u8 eid, const u8 *ies, int len);
3841
Johannes Bergd70e9692010-08-19 16:11:27 +02003842/**
Eliad Peller0c28ec52011-09-15 11:53:01 +03003843 * cfg80211_find_vendor_ie - find vendor specific information element in data
3844 *
3845 * @oui: vendor OUI
3846 * @oui_type: vendor-specific OUI type
3847 * @ies: data consisting of IEs
3848 * @len: length of data
3849 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003850 * Return: %NULL if the vendor specific element ID could not be found or if the
3851 * element is invalid (claims to be longer than the given data), or a pointer to
3852 * the first byte of the requested element, that is the byte containing the
3853 * element ID.
3854 *
3855 * Note: There are no checks on the element length other than having to fit into
3856 * the given data.
Eliad Peller0c28ec52011-09-15 11:53:01 +03003857 */
3858const u8 *cfg80211_find_vendor_ie(unsigned int oui, u8 oui_type,
3859 const u8 *ies, int len);
3860
3861/**
Johannes Bergd70e9692010-08-19 16:11:27 +02003862 * DOC: Regulatory enforcement infrastructure
3863 *
3864 * TODO
Johannes Bergd3236552009-04-20 14:31:42 +02003865 */
3866
3867/**
3868 * regulatory_hint - driver hint to the wireless core a regulatory domain
3869 * @wiphy: the wireless device giving the hint (used only for reporting
3870 * conflicts)
3871 * @alpha2: the ISO/IEC 3166 alpha2 the driver claims its regulatory domain
3872 * should be in. If @rd is set this should be NULL. Note that if you
3873 * set this to NULL you should still set rd->alpha2 to some accepted
3874 * alpha2.
3875 *
3876 * Wireless drivers can use this function to hint to the wireless core
3877 * what it believes should be the current regulatory domain by
3878 * giving it an ISO/IEC 3166 alpha2 country code it knows its regulatory
3879 * domain should be in or by providing a completely build regulatory domain.
3880 * If the driver provides an ISO/IEC 3166 alpha2 userspace will be queried
3881 * for a regulatory domain structure for the respective country.
3882 *
3883 * The wiphy must have been registered to cfg80211 prior to this call.
3884 * For cfg80211 drivers this means you must first use wiphy_register(),
3885 * for mac80211 drivers you must first use ieee80211_register_hw().
3886 *
3887 * Drivers should check the return value, its possible you can get
3888 * an -ENOMEM.
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003889 *
3890 * Return: 0 on success. -ENOMEM.
Johannes Bergd3236552009-04-20 14:31:42 +02003891 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003892int regulatory_hint(struct wiphy *wiphy, const char *alpha2);
Johannes Bergd3236552009-04-20 14:31:42 +02003893
3894/**
Jonathan Doronb0d7aa52014-12-15 19:26:00 +02003895 * regulatory_set_wiphy_regd - set regdom info for self managed drivers
3896 * @wiphy: the wireless device we want to process the regulatory domain on
3897 * @rd: the regulatory domain informatoin to use for this wiphy
3898 *
3899 * Set the regulatory domain information for self-managed wiphys, only they
3900 * may use this function. See %REGULATORY_WIPHY_SELF_MANAGED for more
3901 * information.
3902 *
3903 * Return: 0 on success. -EINVAL, -EPERM
3904 */
3905int regulatory_set_wiphy_regd(struct wiphy *wiphy,
3906 struct ieee80211_regdomain *rd);
3907
3908/**
Arik Nemtsov2c3e8612015-01-07 16:47:19 +02003909 * regulatory_set_wiphy_regd_sync_rtnl - set regdom for self-managed drivers
3910 * @wiphy: the wireless device we want to process the regulatory domain on
3911 * @rd: the regulatory domain information to use for this wiphy
3912 *
3913 * This functions requires the RTNL to be held and applies the new regdomain
3914 * synchronously to this wiphy. For more details see
3915 * regulatory_set_wiphy_regd().
3916 *
3917 * Return: 0 on success. -EINVAL, -EPERM
3918 */
3919int regulatory_set_wiphy_regd_sync_rtnl(struct wiphy *wiphy,
3920 struct ieee80211_regdomain *rd);
3921
3922/**
Johannes Bergd3236552009-04-20 14:31:42 +02003923 * wiphy_apply_custom_regulatory - apply a custom driver regulatory domain
3924 * @wiphy: the wireless device we want to process the regulatory domain on
3925 * @regd: the custom regulatory domain to use for this wiphy
3926 *
3927 * Drivers can sometimes have custom regulatory domains which do not apply
3928 * to a specific country. Drivers can use this to apply such custom regulatory
3929 * domains. This routine must be called prior to wiphy registration. The
3930 * custom regulatory domain will be trusted completely and as such previous
3931 * default channel settings will be disregarded. If no rule is found for a
3932 * channel on the regulatory domain the channel will be disabled.
Luis R. Rodriguez222ea582013-11-05 09:18:00 -08003933 * Drivers using this for a wiphy should also set the wiphy flag
Kalle Valoce261512014-04-03 10:03:45 +03003934 * REGULATORY_CUSTOM_REG or cfg80211 will set it for the wiphy
Luis R. Rodriguez222ea582013-11-05 09:18:00 -08003935 * that called this helper.
Johannes Bergd3236552009-04-20 14:31:42 +02003936 */
Joe Perches10dd9b72013-07-31 17:31:37 -07003937void wiphy_apply_custom_regulatory(struct wiphy *wiphy,
3938 const struct ieee80211_regdomain *regd);
Johannes Bergd3236552009-04-20 14:31:42 +02003939
3940/**
3941 * freq_reg_info - get regulatory information for the given frequency
3942 * @wiphy: the wiphy for which we want to process this rule for
3943 * @center_freq: Frequency in KHz for which we want regulatory information for
Johannes Bergd3236552009-04-20 14:31:42 +02003944 *
3945 * Use this function to get the regulatory rule for a specific frequency on
3946 * a given wireless device. If the device has a specific regulatory domain
3947 * it wants to follow we respect that unless a country IE has been received
3948 * and processed already.
3949 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01003950 * Return: A valid pointer, or, when an error occurs, for example if no rule
3951 * can be found, the return value is encoded using ERR_PTR(). Use IS_ERR() to
3952 * check and PTR_ERR() to obtain the numeric return value. The numeric return
3953 * value will be -ERANGE if we determine the given center_freq does not even
3954 * have a regulatory rule for a frequency range in the center_freq's band.
3955 * See freq_in_rule_band() for our current definition of a band -- this is
3956 * purely subjective and right now it's 802.11 specific.
Johannes Bergd3236552009-04-20 14:31:42 +02003957 */
Johannes Berg361c9c82012-12-06 15:57:14 +01003958const struct ieee80211_reg_rule *freq_reg_info(struct wiphy *wiphy,
3959 u32 center_freq);
Johannes Bergd3236552009-04-20 14:31:42 +02003960
Luis R. Rodriguez034c6d62013-10-14 17:42:06 -07003961/**
3962 * reg_initiator_name - map regulatory request initiator enum to name
3963 * @initiator: the regulatory request initiator
3964 *
3965 * You can use this to map the regulatory request initiator enum to a
3966 * proper string representation.
3967 */
3968const char *reg_initiator_name(enum nl80211_reg_initiator initiator);
3969
Johannes Bergd3236552009-04-20 14:31:42 +02003970/*
Johannes Bergd3236552009-04-20 14:31:42 +02003971 * callbacks for asynchronous cfg80211 methods, notification
3972 * functions and BSS handling helpers
3973 */
3974
Johannes Berg2a519312009-02-10 21:25:55 +01003975/**
3976 * cfg80211_scan_done - notify that scan finished
3977 *
3978 * @request: the corresponding scan request
3979 * @aborted: set to true if the scan was aborted for any reason,
3980 * userspace will be notified of that
3981 */
3982void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted);
3983
3984/**
Luciano Coelho807f8a82011-05-11 17:09:35 +03003985 * cfg80211_sched_scan_results - notify that new scan results are available
3986 *
3987 * @wiphy: the wiphy which got scheduled scan results
3988 */
3989void cfg80211_sched_scan_results(struct wiphy *wiphy);
3990
3991/**
3992 * cfg80211_sched_scan_stopped - notify that the scheduled scan has stopped
3993 *
3994 * @wiphy: the wiphy on which the scheduled scan stopped
3995 *
3996 * The driver can call this function to inform cfg80211 that the
3997 * scheduled scan had to be stopped, for whatever reason. The driver
3998 * is then called back via the sched_scan_stop operation when done.
3999 */
4000void cfg80211_sched_scan_stopped(struct wiphy *wiphy);
4001
4002/**
Eliad Peller792e6aa2014-04-30 16:14:23 +03004003 * cfg80211_sched_scan_stopped_rtnl - notify that the scheduled scan has stopped
4004 *
4005 * @wiphy: the wiphy on which the scheduled scan stopped
4006 *
4007 * The driver can call this function to inform cfg80211 that the
4008 * scheduled scan had to be stopped, for whatever reason. The driver
4009 * is then called back via the sched_scan_stop operation when done.
4010 * This function should be called with rtnl locked.
4011 */
4012void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy);
4013
4014/**
Dmitry Shmidt6e19bc42015-10-07 11:32:53 +02004015 * cfg80211_inform_bss_frame_data - inform cfg80211 of a received BSS frame
Johannes Berg2a519312009-02-10 21:25:55 +01004016 * @wiphy: the wiphy reporting the BSS
Dmitry Shmidt6e19bc42015-10-07 11:32:53 +02004017 * @data: the BSS metadata
Johannes Bergabe37c42010-06-07 11:12:27 +02004018 * @mgmt: the management frame (probe response or beacon)
4019 * @len: length of the management frame
Johannes Berg2a519312009-02-10 21:25:55 +01004020 * @gfp: context flags
4021 *
4022 * This informs cfg80211 that BSS information was found and
4023 * the BSS should be updated/added.
Johannes Bergef100682011-10-27 14:45:02 +02004024 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004025 * Return: A referenced struct, must be released with cfg80211_put_bss()!
4026 * Or %NULL on error.
Johannes Berg2a519312009-02-10 21:25:55 +01004027 */
Johannes Bergef100682011-10-27 14:45:02 +02004028struct cfg80211_bss * __must_check
Dmitry Shmidt6e19bc42015-10-07 11:32:53 +02004029cfg80211_inform_bss_frame_data(struct wiphy *wiphy,
4030 struct cfg80211_inform_bss *data,
4031 struct ieee80211_mgmt *mgmt, size_t len,
4032 gfp_t gfp);
4033
4034static inline struct cfg80211_bss * __must_check
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004035cfg80211_inform_bss_width_frame(struct wiphy *wiphy,
Emmanuel Grumbach3afc2162014-03-04 16:50:13 +02004036 struct ieee80211_channel *rx_channel,
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004037 enum nl80211_bss_scan_width scan_width,
4038 struct ieee80211_mgmt *mgmt, size_t len,
Dmitry Shmidt6e19bc42015-10-07 11:32:53 +02004039 s32 signal, gfp_t gfp)
4040{
4041 struct cfg80211_inform_bss data = {
4042 .chan = rx_channel,
4043 .scan_width = scan_width,
4044 .signal = signal,
4045 };
4046
4047 return cfg80211_inform_bss_frame_data(wiphy, &data, mgmt, len, gfp);
4048}
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004049
4050static inline struct cfg80211_bss * __must_check
Johannes Berg2a519312009-02-10 21:25:55 +01004051cfg80211_inform_bss_frame(struct wiphy *wiphy,
Emmanuel Grumbach3afc2162014-03-04 16:50:13 +02004052 struct ieee80211_channel *rx_channel,
Johannes Berg2a519312009-02-10 21:25:55 +01004053 struct ieee80211_mgmt *mgmt, size_t len,
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004054 s32 signal, gfp_t gfp)
4055{
Dmitry Shmidt6e19bc42015-10-07 11:32:53 +02004056 struct cfg80211_inform_bss data = {
4057 .chan = rx_channel,
4058 .scan_width = NL80211_BSS_CHAN_WIDTH_20,
4059 .signal = signal,
4060 };
4061
4062 return cfg80211_inform_bss_frame_data(wiphy, &data, mgmt, len, gfp);
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004063}
Johannes Berg2a519312009-02-10 21:25:55 +01004064
Johannes Bergabe37c42010-06-07 11:12:27 +02004065/**
Johannes Berg5bc8c1f2014-08-12 21:01:28 +02004066 * enum cfg80211_bss_frame_type - frame type that the BSS data came from
4067 * @CFG80211_BSS_FTYPE_UNKNOWN: driver doesn't know whether the data is
4068 * from a beacon or probe response
4069 * @CFG80211_BSS_FTYPE_BEACON: data comes from a beacon
4070 * @CFG80211_BSS_FTYPE_PRESP: data comes from a probe response
4071 */
4072enum cfg80211_bss_frame_type {
4073 CFG80211_BSS_FTYPE_UNKNOWN,
4074 CFG80211_BSS_FTYPE_BEACON,
4075 CFG80211_BSS_FTYPE_PRESP,
4076};
4077
4078/**
Dmitry Shmidt6e19bc42015-10-07 11:32:53 +02004079 * cfg80211_inform_bss_data - inform cfg80211 of a new BSS
Johannes Bergabe37c42010-06-07 11:12:27 +02004080 *
4081 * @wiphy: the wiphy reporting the BSS
Dmitry Shmidt6e19bc42015-10-07 11:32:53 +02004082 * @data: the BSS metadata
Johannes Berg5bc8c1f2014-08-12 21:01:28 +02004083 * @ftype: frame type (if known)
Johannes Bergabe37c42010-06-07 11:12:27 +02004084 * @bssid: the BSSID of the BSS
Johannes Berg7b8bcff2012-03-13 13:57:04 +01004085 * @tsf: the TSF sent by the peer in the beacon/probe response (or 0)
Johannes Bergabe37c42010-06-07 11:12:27 +02004086 * @capability: the capability field sent by the peer
4087 * @beacon_interval: the beacon interval announced by the peer
4088 * @ie: additional IEs sent by the peer
4089 * @ielen: length of the additional IEs
Johannes Bergabe37c42010-06-07 11:12:27 +02004090 * @gfp: context flags
4091 *
4092 * This informs cfg80211 that BSS information was found and
4093 * the BSS should be updated/added.
Johannes Bergef100682011-10-27 14:45:02 +02004094 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004095 * Return: A referenced struct, must be released with cfg80211_put_bss()!
4096 * Or %NULL on error.
Johannes Bergabe37c42010-06-07 11:12:27 +02004097 */
Johannes Bergef100682011-10-27 14:45:02 +02004098struct cfg80211_bss * __must_check
Dmitry Shmidt6e19bc42015-10-07 11:32:53 +02004099cfg80211_inform_bss_data(struct wiphy *wiphy,
4100 struct cfg80211_inform_bss *data,
4101 enum cfg80211_bss_frame_type ftype,
4102 const u8 *bssid, u64 tsf, u16 capability,
4103 u16 beacon_interval, const u8 *ie, size_t ielen,
4104 gfp_t gfp);
4105
4106static inline struct cfg80211_bss * __must_check
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004107cfg80211_inform_bss_width(struct wiphy *wiphy,
Emmanuel Grumbach3afc2162014-03-04 16:50:13 +02004108 struct ieee80211_channel *rx_channel,
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004109 enum nl80211_bss_scan_width scan_width,
Johannes Berg5bc8c1f2014-08-12 21:01:28 +02004110 enum cfg80211_bss_frame_type ftype,
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004111 const u8 *bssid, u64 tsf, u16 capability,
4112 u16 beacon_interval, const u8 *ie, size_t ielen,
Dmitry Shmidt6e19bc42015-10-07 11:32:53 +02004113 s32 signal, gfp_t gfp)
4114{
4115 struct cfg80211_inform_bss data = {
4116 .chan = rx_channel,
4117 .scan_width = scan_width,
4118 .signal = signal,
4119 };
4120
4121 return cfg80211_inform_bss_data(wiphy, &data, ftype, bssid, tsf,
4122 capability, beacon_interval, ie, ielen,
4123 gfp);
4124}
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004125
4126static inline struct cfg80211_bss * __must_check
Jussi Kivilinna06aa7af2009-03-26 23:40:09 +02004127cfg80211_inform_bss(struct wiphy *wiphy,
Emmanuel Grumbach3afc2162014-03-04 16:50:13 +02004128 struct ieee80211_channel *rx_channel,
Johannes Berg5bc8c1f2014-08-12 21:01:28 +02004129 enum cfg80211_bss_frame_type ftype,
Johannes Berg7b8bcff2012-03-13 13:57:04 +01004130 const u8 *bssid, u64 tsf, u16 capability,
4131 u16 beacon_interval, const u8 *ie, size_t ielen,
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004132 s32 signal, gfp_t gfp)
4133{
Dmitry Shmidt6e19bc42015-10-07 11:32:53 +02004134 struct cfg80211_inform_bss data = {
4135 .chan = rx_channel,
4136 .scan_width = NL80211_BSS_CHAN_WIDTH_20,
4137 .signal = signal,
4138 };
4139
4140 return cfg80211_inform_bss_data(wiphy, &data, ftype, bssid, tsf,
4141 capability, beacon_interval, ie, ielen,
4142 gfp);
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004143}
Jussi Kivilinna06aa7af2009-03-26 23:40:09 +02004144
Johannes Berg2a519312009-02-10 21:25:55 +01004145struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy,
4146 struct ieee80211_channel *channel,
4147 const u8 *bssid,
Johannes Berg79420f02009-02-10 21:25:59 +01004148 const u8 *ssid, size_t ssid_len,
Dedy Lansky6eb18132015-02-08 15:52:03 +02004149 enum ieee80211_bss_type bss_type,
4150 enum ieee80211_privacy);
Johannes Berg79420f02009-02-10 21:25:59 +01004151static inline struct cfg80211_bss *
4152cfg80211_get_ibss(struct wiphy *wiphy,
4153 struct ieee80211_channel *channel,
4154 const u8 *ssid, size_t ssid_len)
4155{
4156 return cfg80211_get_bss(wiphy, channel, NULL, ssid, ssid_len,
Dedy Lansky6eb18132015-02-08 15:52:03 +02004157 IEEE80211_BSS_TYPE_IBSS,
4158 IEEE80211_PRIVACY_ANY);
Johannes Berg79420f02009-02-10 21:25:59 +01004159}
4160
Johannes Berg4c0c0b72012-01-20 13:55:26 +01004161/**
4162 * cfg80211_ref_bss - reference BSS struct
Johannes Berg5b112d32013-02-01 01:49:58 +01004163 * @wiphy: the wiphy this BSS struct belongs to
Johannes Berg4c0c0b72012-01-20 13:55:26 +01004164 * @bss: the BSS struct to reference
4165 *
4166 * Increments the refcount of the given BSS struct.
4167 */
Johannes Berg5b112d32013-02-01 01:49:58 +01004168void cfg80211_ref_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
Johannes Berg4c0c0b72012-01-20 13:55:26 +01004169
4170/**
4171 * cfg80211_put_bss - unref BSS struct
Johannes Berg5b112d32013-02-01 01:49:58 +01004172 * @wiphy: the wiphy this BSS struct belongs to
Johannes Berg4c0c0b72012-01-20 13:55:26 +01004173 * @bss: the BSS struct
4174 *
4175 * Decrements the refcount of the given BSS struct.
4176 */
Johannes Berg5b112d32013-02-01 01:49:58 +01004177void cfg80211_put_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
Johannes Bergd3236552009-04-20 14:31:42 +02004178
Johannes Bergd491af12009-02-10 21:25:58 +01004179/**
4180 * cfg80211_unlink_bss - unlink BSS from internal data structures
4181 * @wiphy: the wiphy
4182 * @bss: the bss to remove
4183 *
4184 * This function removes the given BSS from the internal data structures
4185 * thereby making it no longer show up in scan results etc. Use this
4186 * function when you detect a BSS is gone. Normally BSSes will also time
4187 * out, so it is not necessary to use this function at all.
4188 */
4189void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss);
Johannes Bergfee52672008-11-26 22:36:31 +01004190
Simon Wunderlichdcd6eac2013-07-08 16:55:49 +02004191static inline enum nl80211_bss_scan_width
4192cfg80211_chandef_to_scan_width(const struct cfg80211_chan_def *chandef)
4193{
4194 switch (chandef->width) {
4195 case NL80211_CHAN_WIDTH_5:
4196 return NL80211_BSS_CHAN_WIDTH_5;
4197 case NL80211_CHAN_WIDTH_10:
4198 return NL80211_BSS_CHAN_WIDTH_10;
4199 default:
4200 return NL80211_BSS_CHAN_WIDTH_20;
4201 }
4202}
4203
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004204/**
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004205 * cfg80211_rx_mlme_mgmt - notification of processed MLME management frame
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004206 * @dev: network device
4207 * @buf: authentication frame (header + body)
4208 * @len: length of the frame data
4209 *
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004210 * This function is called whenever an authentication, disassociation or
4211 * deauthentication frame has been received and processed in station mode.
4212 * After being asked to authenticate via cfg80211_ops::auth() the driver must
4213 * call either this function or cfg80211_auth_timeout().
4214 * After being asked to associate via cfg80211_ops::assoc() the driver must
4215 * call either this function or cfg80211_auth_timeout().
4216 * While connected, the driver must calls this for received and processed
4217 * disassociation and deauthentication frames. If the frame couldn't be used
4218 * because it was unprotected, the driver must call the function
4219 * cfg80211_rx_unprot_mlme_mgmt() instead.
4220 *
4221 * This function may sleep. The caller must hold the corresponding wdev's mutex.
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004222 */
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004223void cfg80211_rx_mlme_mgmt(struct net_device *dev, const u8 *buf, size_t len);
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004224
4225/**
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004226 * cfg80211_auth_timeout - notification of timed out authentication
Jouni Malinen1965c852009-04-22 21:38:25 +03004227 * @dev: network device
4228 * @addr: The MAC address of the device with which the authentication timed out
Johannes Bergcb0b4be2009-07-07 03:56:07 +02004229 *
Johannes Berg8d61ffa2013-05-10 12:32:47 +02004230 * This function may sleep. The caller must hold the corresponding wdev's
4231 * mutex.
Jouni Malinen1965c852009-04-22 21:38:25 +03004232 */
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004233void cfg80211_auth_timeout(struct net_device *dev, const u8 *addr);
Jouni Malinen1965c852009-04-22 21:38:25 +03004234
4235/**
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004236 * cfg80211_rx_assoc_resp - notification of processed association response
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004237 * @dev: network device
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004238 * @bss: the BSS that association was requested with, ownership of the pointer
4239 * moves to cfg80211 in this call
4240 * @buf: authentication frame (header + body)
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004241 * @len: length of the frame data
Eliad Pellerb0b6aa22014-09-09 17:09:45 +03004242 * @uapsd_queues: bitmap of ACs configured to uapsd. -1 if n/a.
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004243 *
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004244 * After being asked to associate via cfg80211_ops::assoc() the driver must
4245 * call either this function or cfg80211_auth_timeout().
4246 *
4247 * This function may sleep. The caller must hold the corresponding wdev's mutex.
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004248 */
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004249void cfg80211_rx_assoc_resp(struct net_device *dev,
4250 struct cfg80211_bss *bss,
Eliad Pellerb0b6aa22014-09-09 17:09:45 +03004251 const u8 *buf, size_t len,
4252 int uapsd_queues);
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004253
4254/**
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004255 * cfg80211_assoc_timeout - notification of timed out association
Jouni Malinen1965c852009-04-22 21:38:25 +03004256 * @dev: network device
Johannes Berg959867f2013-06-19 13:05:42 +02004257 * @bss: The BSS entry with which association timed out.
Johannes Bergcb0b4be2009-07-07 03:56:07 +02004258 *
Johannes Berg8d61ffa2013-05-10 12:32:47 +02004259 * This function may sleep. The caller must hold the corresponding wdev's mutex.
Jouni Malinen1965c852009-04-22 21:38:25 +03004260 */
Johannes Berg959867f2013-06-19 13:05:42 +02004261void cfg80211_assoc_timeout(struct net_device *dev, struct cfg80211_bss *bss);
Jouni Malinen1965c852009-04-22 21:38:25 +03004262
4263/**
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004264 * cfg80211_tx_mlme_mgmt - notification of transmitted deauth/disassoc frame
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004265 * @dev: network device
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004266 * @buf: 802.11 frame (header + body)
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004267 * @len: length of the frame data
4268 *
4269 * This function is called whenever deauthentication has been processed in
Jouni Malinen53b46b82009-03-27 20:53:56 +02004270 * station mode. This includes both received deauthentication frames and
Johannes Berg8d61ffa2013-05-10 12:32:47 +02004271 * locally generated ones. This function may sleep. The caller must hold the
4272 * corresponding wdev's mutex.
Jouni Malinen6039f6d2009-03-19 13:39:21 +02004273 */
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004274void cfg80211_tx_mlme_mgmt(struct net_device *dev, const u8 *buf, size_t len);
Holger Schurigce470612009-10-13 13:28:13 +02004275
4276/**
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004277 * cfg80211_rx_unprot_mlme_mgmt - notification of unprotected mlme mgmt frame
Jouni Malinencf4e5942010-12-16 00:52:40 +02004278 * @dev: network device
4279 * @buf: deauthentication frame (header + body)
4280 * @len: length of the frame data
4281 *
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004282 * This function is called whenever a received deauthentication or dissassoc
4283 * frame has been dropped in station mode because of MFP being used but the
Jouni Malinencf4e5942010-12-16 00:52:40 +02004284 * frame was not protected. This function may sleep.
4285 */
Johannes Berg6ff57cf2013-05-16 00:55:00 +02004286void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev,
4287 const u8 *buf, size_t len);
Jouni Malinencf4e5942010-12-16 00:52:40 +02004288
4289/**
Jouni Malinena3b8b052009-03-27 21:59:49 +02004290 * cfg80211_michael_mic_failure - notification of Michael MIC failure (TKIP)
4291 * @dev: network device
4292 * @addr: The source MAC address of the frame
4293 * @key_type: The key type that the received frame used
Arik Nemtsova66b98d2011-06-23 00:00:24 +03004294 * @key_id: Key identifier (0..3). Can be -1 if missing.
Jouni Malinena3b8b052009-03-27 21:59:49 +02004295 * @tsc: The TSC value of the frame that generated the MIC failure (6 octets)
Johannes Berge6d6e342009-07-01 21:26:47 +02004296 * @gfp: allocation flags
Jouni Malinena3b8b052009-03-27 21:59:49 +02004297 *
4298 * This function is called whenever the local MAC detects a MIC failure in a
4299 * received frame. This matches with MLME-MICHAELMICFAILURE.indication()
4300 * primitive.
4301 */
4302void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr,
4303 enum nl80211_key_type key_type, int key_id,
Johannes Berge6d6e342009-07-01 21:26:47 +02004304 const u8 *tsc, gfp_t gfp);
Jouni Malinena3b8b052009-03-27 21:59:49 +02004305
Johannes Berg04a773a2009-04-19 21:24:32 +02004306/**
4307 * cfg80211_ibss_joined - notify cfg80211 that device joined an IBSS
4308 *
4309 * @dev: network device
4310 * @bssid: the BSSID of the IBSS joined
Antonio Quartullife94f3a2014-01-29 17:53:43 +01004311 * @channel: the channel of the IBSS joined
Johannes Berg04a773a2009-04-19 21:24:32 +02004312 * @gfp: allocation flags
4313 *
4314 * This function notifies cfg80211 that the device joined an IBSS or
4315 * switched to a different BSSID. Before this function can be called,
4316 * either a beacon has to have been received from the IBSS, or one of
4317 * the cfg80211_inform_bss{,_frame} functions must have been called
4318 * with the locally generated beacon -- this guarantees that there is
4319 * always a scan result for this IBSS. cfg80211 will handle the rest.
4320 */
Antonio Quartullife94f3a2014-01-29 17:53:43 +01004321void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
4322 struct ieee80211_channel *channel, gfp_t gfp);
Johannes Berg04a773a2009-04-19 21:24:32 +02004323
Johannes Berg1f87f7d2009-06-02 13:01:41 +02004324/**
Javier Cardonac93b5e72011-04-07 15:08:34 -07004325 * cfg80211_notify_new_candidate - notify cfg80211 of a new mesh peer candidate
4326 *
4327 * @dev: network device
4328 * @macaddr: the MAC address of the new candidate
4329 * @ie: information elements advertised by the peer candidate
4330 * @ie_len: lenght of the information elements buffer
4331 * @gfp: allocation flags
4332 *
4333 * This function notifies cfg80211 that the mesh peer candidate has been
4334 * detected, most likely via a beacon or, less likely, via a probe response.
4335 * cfg80211 then sends a notification to userspace.
4336 */
4337void cfg80211_notify_new_peer_candidate(struct net_device *dev,
4338 const u8 *macaddr, const u8 *ie, u8 ie_len, gfp_t gfp);
4339
4340/**
Johannes Bergd70e9692010-08-19 16:11:27 +02004341 * DOC: RFkill integration
4342 *
4343 * RFkill integration in cfg80211 is almost invisible to drivers,
4344 * as cfg80211 automatically registers an rfkill instance for each
4345 * wireless device it knows about. Soft kill is also translated
4346 * into disconnecting and turning all interfaces off, drivers are
4347 * expected to turn off the device when all interfaces are down.
4348 *
4349 * However, devices may have a hard RFkill line, in which case they
4350 * also need to interact with the rfkill subsystem, via cfg80211.
4351 * They can do this with a few helper functions documented here.
4352 */
4353
4354/**
Johannes Berg1f87f7d2009-06-02 13:01:41 +02004355 * wiphy_rfkill_set_hw_state - notify cfg80211 about hw block state
4356 * @wiphy: the wiphy
4357 * @blocked: block status
4358 */
4359void wiphy_rfkill_set_hw_state(struct wiphy *wiphy, bool blocked);
4360
4361/**
4362 * wiphy_rfkill_start_polling - start polling rfkill
4363 * @wiphy: the wiphy
4364 */
4365void wiphy_rfkill_start_polling(struct wiphy *wiphy);
4366
4367/**
4368 * wiphy_rfkill_stop_polling - stop polling rfkill
4369 * @wiphy: the wiphy
4370 */
4371void wiphy_rfkill_stop_polling(struct wiphy *wiphy);
4372
Johannes Bergad7e7182013-11-13 13:37:47 +01004373/**
4374 * DOC: Vendor commands
4375 *
4376 * Occasionally, there are special protocol or firmware features that
4377 * can't be implemented very openly. For this and similar cases, the
4378 * vendor command functionality allows implementing the features with
4379 * (typically closed-source) userspace and firmware, using nl80211 as
4380 * the configuration mechanism.
4381 *
4382 * A driver supporting vendor commands must register them as an array
4383 * in struct wiphy, with handlers for each one, each command has an
4384 * OUI and sub command ID to identify it.
4385 *
4386 * Note that this feature should not be (ab)used to implement protocol
4387 * features that could openly be shared across drivers. In particular,
4388 * it must never be required to use vendor commands to implement any
4389 * "normal" functionality that higher-level userspace like connection
4390 * managers etc. need.
4391 */
4392
4393struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy,
4394 enum nl80211_commands cmd,
4395 enum nl80211_attrs attr,
4396 int approxlen);
4397
Johannes Berg567ffc32013-12-18 14:43:31 +01004398struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
Ahmad Kholaif6c09e792015-02-26 15:26:53 +02004399 struct wireless_dev *wdev,
Johannes Berg567ffc32013-12-18 14:43:31 +01004400 enum nl80211_commands cmd,
4401 enum nl80211_attrs attr,
4402 int vendor_event_idx,
4403 int approxlen, gfp_t gfp);
4404
4405void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp);
4406
Johannes Bergad7e7182013-11-13 13:37:47 +01004407/**
4408 * cfg80211_vendor_cmd_alloc_reply_skb - allocate vendor command reply
4409 * @wiphy: the wiphy
4410 * @approxlen: an upper bound of the length of the data that will
4411 * be put into the skb
4412 *
4413 * This function allocates and pre-fills an skb for a reply to
4414 * a vendor command. Since it is intended for a reply, calling
4415 * it outside of a vendor command's doit() operation is invalid.
4416 *
4417 * The returned skb is pre-filled with some identifying data in
4418 * a way that any data that is put into the skb (with skb_put(),
4419 * nla_put() or similar) will end up being within the
4420 * %NL80211_ATTR_VENDOR_DATA attribute, so all that needs to be done
4421 * with the skb is adding data for the corresponding userspace tool
4422 * which can then read that data out of the vendor data attribute.
4423 * You must not modify the skb in any other way.
4424 *
4425 * When done, call cfg80211_vendor_cmd_reply() with the skb and return
4426 * its error code as the result of the doit() operation.
4427 *
4428 * Return: An allocated and pre-filled skb. %NULL if any errors happen.
4429 */
4430static inline struct sk_buff *
4431cfg80211_vendor_cmd_alloc_reply_skb(struct wiphy *wiphy, int approxlen)
4432{
4433 return __cfg80211_alloc_reply_skb(wiphy, NL80211_CMD_VENDOR,
4434 NL80211_ATTR_VENDOR_DATA, approxlen);
4435}
4436
4437/**
4438 * cfg80211_vendor_cmd_reply - send the reply skb
4439 * @skb: The skb, must have been allocated with
4440 * cfg80211_vendor_cmd_alloc_reply_skb()
4441 *
4442 * Since calling this function will usually be the last thing
4443 * before returning from the vendor command doit() you should
4444 * return the error code. Note that this function consumes the
4445 * skb regardless of the return value.
4446 *
4447 * Return: An error code or 0 on success.
4448 */
4449int cfg80211_vendor_cmd_reply(struct sk_buff *skb);
4450
Johannes Berg567ffc32013-12-18 14:43:31 +01004451/**
4452 * cfg80211_vendor_event_alloc - allocate vendor-specific event skb
4453 * @wiphy: the wiphy
Ahmad Kholaif6c09e792015-02-26 15:26:53 +02004454 * @wdev: the wireless device
Johannes Berg567ffc32013-12-18 14:43:31 +01004455 * @event_idx: index of the vendor event in the wiphy's vendor_events
4456 * @approxlen: an upper bound of the length of the data that will
4457 * be put into the skb
4458 * @gfp: allocation flags
4459 *
4460 * This function allocates and pre-fills an skb for an event on the
4461 * vendor-specific multicast group.
4462 *
Ahmad Kholaif6c09e792015-02-26 15:26:53 +02004463 * If wdev != NULL, both the ifindex and identifier of the specified
4464 * wireless device are added to the event message before the vendor data
4465 * attribute.
4466 *
Johannes Berg567ffc32013-12-18 14:43:31 +01004467 * When done filling the skb, call cfg80211_vendor_event() with the
4468 * skb to send the event.
4469 *
4470 * Return: An allocated and pre-filled skb. %NULL if any errors happen.
4471 */
4472static inline struct sk_buff *
Ahmad Kholaif6c09e792015-02-26 15:26:53 +02004473cfg80211_vendor_event_alloc(struct wiphy *wiphy, struct wireless_dev *wdev,
4474 int approxlen, int event_idx, gfp_t gfp)
Johannes Berg567ffc32013-12-18 14:43:31 +01004475{
Ahmad Kholaif6c09e792015-02-26 15:26:53 +02004476 return __cfg80211_alloc_event_skb(wiphy, wdev, NL80211_CMD_VENDOR,
Johannes Berg567ffc32013-12-18 14:43:31 +01004477 NL80211_ATTR_VENDOR_DATA,
4478 event_idx, approxlen, gfp);
4479}
4480
4481/**
4482 * cfg80211_vendor_event - send the event
4483 * @skb: The skb, must have been allocated with cfg80211_vendor_event_alloc()
4484 * @gfp: allocation flags
4485 *
4486 * This function sends the given @skb, which must have been allocated
4487 * by cfg80211_vendor_event_alloc(), as an event. It always consumes it.
4488 */
4489static inline void cfg80211_vendor_event(struct sk_buff *skb, gfp_t gfp)
4490{
4491 __cfg80211_send_event_skb(skb, gfp);
4492}
4493
Johannes Bergaff89a92009-07-01 21:26:51 +02004494#ifdef CONFIG_NL80211_TESTMODE
4495/**
Johannes Bergd70e9692010-08-19 16:11:27 +02004496 * DOC: Test mode
4497 *
4498 * Test mode is a set of utility functions to allow drivers to
4499 * interact with driver-specific tools to aid, for instance,
4500 * factory programming.
4501 *
4502 * This chapter describes how drivers interact with it, for more
4503 * information see the nl80211 book's chapter on it.
4504 */
4505
4506/**
Johannes Bergaff89a92009-07-01 21:26:51 +02004507 * cfg80211_testmode_alloc_reply_skb - allocate testmode reply
4508 * @wiphy: the wiphy
4509 * @approxlen: an upper bound of the length of the data that will
4510 * be put into the skb
4511 *
4512 * This function allocates and pre-fills an skb for a reply to
4513 * the testmode command. Since it is intended for a reply, calling
4514 * it outside of the @testmode_cmd operation is invalid.
4515 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004516 * The returned skb is pre-filled with the wiphy index and set up in
4517 * a way that any data that is put into the skb (with skb_put(),
4518 * nla_put() or similar) will end up being within the
4519 * %NL80211_ATTR_TESTDATA attribute, so all that needs to be done
4520 * with the skb is adding data for the corresponding userspace tool
4521 * which can then read that data out of the testdata attribute. You
4522 * must not modify the skb in any other way.
Johannes Bergaff89a92009-07-01 21:26:51 +02004523 *
4524 * When done, call cfg80211_testmode_reply() with the skb and return
4525 * its error code as the result of the @testmode_cmd operation.
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004526 *
4527 * Return: An allocated and pre-filled skb. %NULL if any errors happen.
Johannes Bergaff89a92009-07-01 21:26:51 +02004528 */
Johannes Bergad7e7182013-11-13 13:37:47 +01004529static inline struct sk_buff *
4530cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, int approxlen)
4531{
4532 return __cfg80211_alloc_reply_skb(wiphy, NL80211_CMD_TESTMODE,
4533 NL80211_ATTR_TESTDATA, approxlen);
4534}
Johannes Bergaff89a92009-07-01 21:26:51 +02004535
4536/**
4537 * cfg80211_testmode_reply - send the reply skb
4538 * @skb: The skb, must have been allocated with
4539 * cfg80211_testmode_alloc_reply_skb()
4540 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004541 * Since calling this function will usually be the last thing
4542 * before returning from the @testmode_cmd you should return
4543 * the error code. Note that this function consumes the skb
4544 * regardless of the return value.
4545 *
4546 * Return: An error code or 0 on success.
Johannes Bergaff89a92009-07-01 21:26:51 +02004547 */
Johannes Bergad7e7182013-11-13 13:37:47 +01004548static inline int cfg80211_testmode_reply(struct sk_buff *skb)
4549{
4550 return cfg80211_vendor_cmd_reply(skb);
4551}
Johannes Bergaff89a92009-07-01 21:26:51 +02004552
4553/**
4554 * cfg80211_testmode_alloc_event_skb - allocate testmode event
4555 * @wiphy: the wiphy
4556 * @approxlen: an upper bound of the length of the data that will
4557 * be put into the skb
4558 * @gfp: allocation flags
4559 *
4560 * This function allocates and pre-fills an skb for an event on the
4561 * testmode multicast group.
4562 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004563 * The returned skb is set up in the same way as with
4564 * cfg80211_testmode_alloc_reply_skb() but prepared for an event. As
4565 * there, you should simply add data to it that will then end up in the
4566 * %NL80211_ATTR_TESTDATA attribute. Again, you must not modify the skb
4567 * in any other way.
Johannes Bergaff89a92009-07-01 21:26:51 +02004568 *
4569 * When done filling the skb, call cfg80211_testmode_event() with the
4570 * skb to send the event.
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004571 *
4572 * Return: An allocated and pre-filled skb. %NULL if any errors happen.
Johannes Bergaff89a92009-07-01 21:26:51 +02004573 */
Johannes Berg567ffc32013-12-18 14:43:31 +01004574static inline struct sk_buff *
4575cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, int approxlen, gfp_t gfp)
4576{
Ahmad Kholaif6c09e792015-02-26 15:26:53 +02004577 return __cfg80211_alloc_event_skb(wiphy, NULL, NL80211_CMD_TESTMODE,
Johannes Berg567ffc32013-12-18 14:43:31 +01004578 NL80211_ATTR_TESTDATA, -1,
4579 approxlen, gfp);
4580}
Johannes Bergaff89a92009-07-01 21:26:51 +02004581
4582/**
4583 * cfg80211_testmode_event - send the event
4584 * @skb: The skb, must have been allocated with
4585 * cfg80211_testmode_alloc_event_skb()
4586 * @gfp: allocation flags
4587 *
4588 * This function sends the given @skb, which must have been allocated
4589 * by cfg80211_testmode_alloc_event_skb(), as an event. It always
4590 * consumes it.
4591 */
Johannes Berg567ffc32013-12-18 14:43:31 +01004592static inline void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
4593{
4594 __cfg80211_send_event_skb(skb, gfp);
4595}
Johannes Bergaff89a92009-07-01 21:26:51 +02004596
4597#define CFG80211_TESTMODE_CMD(cmd) .testmode_cmd = (cmd),
Wey-Yi Guy71063f02011-05-20 09:05:54 -07004598#define CFG80211_TESTMODE_DUMP(cmd) .testmode_dump = (cmd),
Johannes Bergaff89a92009-07-01 21:26:51 +02004599#else
4600#define CFG80211_TESTMODE_CMD(cmd)
Wey-Yi Guy71063f02011-05-20 09:05:54 -07004601#define CFG80211_TESTMODE_DUMP(cmd)
Johannes Bergaff89a92009-07-01 21:26:51 +02004602#endif
4603
Samuel Ortizb23aa672009-07-01 21:26:54 +02004604/**
4605 * cfg80211_connect_result - notify cfg80211 of connection result
4606 *
4607 * @dev: network device
4608 * @bssid: the BSSID of the AP
4609 * @req_ie: association request IEs (maybe be %NULL)
4610 * @req_ie_len: association request IEs length
4611 * @resp_ie: association response IEs (may be %NULL)
4612 * @resp_ie_len: assoc response IEs length
4613 * @status: status code, 0 for successful connection, use
4614 * %WLAN_STATUS_UNSPECIFIED_FAILURE if your device cannot give you
4615 * the real status code for failures.
4616 * @gfp: allocation flags
4617 *
4618 * It should be called by the underlying driver whenever connect() has
4619 * succeeded.
4620 */
4621void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
4622 const u8 *req_ie, size_t req_ie_len,
4623 const u8 *resp_ie, size_t resp_ie_len,
4624 u16 status, gfp_t gfp);
4625
4626/**
4627 * cfg80211_roamed - notify cfg80211 of roaming
4628 *
4629 * @dev: network device
Jouni Malinened9d0102011-05-16 19:40:15 +03004630 * @channel: the channel of the new AP
Samuel Ortizb23aa672009-07-01 21:26:54 +02004631 * @bssid: the BSSID of the new AP
4632 * @req_ie: association request IEs (maybe be %NULL)
4633 * @req_ie_len: association request IEs length
4634 * @resp_ie: association response IEs (may be %NULL)
4635 * @resp_ie_len: assoc response IEs length
4636 * @gfp: allocation flags
4637 *
4638 * It should be called by the underlying driver whenever it roamed
4639 * from one AP to another while connected.
4640 */
Jouni Malinened9d0102011-05-16 19:40:15 +03004641void cfg80211_roamed(struct net_device *dev,
4642 struct ieee80211_channel *channel,
4643 const u8 *bssid,
Samuel Ortizb23aa672009-07-01 21:26:54 +02004644 const u8 *req_ie, size_t req_ie_len,
4645 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp);
4646
4647/**
Vasanthakumar Thiagarajanadbde342011-12-08 14:28:47 +05304648 * cfg80211_roamed_bss - notify cfg80211 of roaming
4649 *
4650 * @dev: network device
4651 * @bss: entry of bss to which STA got roamed
4652 * @req_ie: association request IEs (maybe be %NULL)
4653 * @req_ie_len: association request IEs length
4654 * @resp_ie: association response IEs (may be %NULL)
4655 * @resp_ie_len: assoc response IEs length
4656 * @gfp: allocation flags
4657 *
4658 * This is just a wrapper to notify cfg80211 of roaming event with driver
4659 * passing bss to avoid a race in timeout of the bss entry. It should be
4660 * called by the underlying driver whenever it roamed from one AP to another
4661 * while connected. Drivers which have roaming implemented in firmware
4662 * may use this function to avoid a race in bss entry timeout where the bss
4663 * entry of the new AP is seen in the driver, but gets timed out by the time
4664 * it is accessed in __cfg80211_roamed() due to delay in scheduling
4665 * rdev->event_work. In case of any failures, the reference is released
4666 * either in cfg80211_roamed_bss() or in __cfg80211_romed(), Otherwise,
4667 * it will be released while diconneting from the current bss.
4668 */
4669void cfg80211_roamed_bss(struct net_device *dev, struct cfg80211_bss *bss,
4670 const u8 *req_ie, size_t req_ie_len,
4671 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp);
4672
4673/**
Samuel Ortizb23aa672009-07-01 21:26:54 +02004674 * cfg80211_disconnected - notify cfg80211 that connection was dropped
4675 *
4676 * @dev: network device
4677 * @ie: information elements of the deauth/disassoc frame (may be %NULL)
4678 * @ie_len: length of IEs
4679 * @reason: reason code for the disconnection, set it to 0 if unknown
Johannes Berg80279fb2015-05-22 16:22:20 +02004680 * @locally_generated: disconnection was requested locally
Samuel Ortizb23aa672009-07-01 21:26:54 +02004681 * @gfp: allocation flags
4682 *
4683 * After it calls this function, the driver should enter an idle state
4684 * and not try to connect to any AP any more.
4685 */
4686void cfg80211_disconnected(struct net_device *dev, u16 reason,
Johannes Berg80279fb2015-05-22 16:22:20 +02004687 const u8 *ie, size_t ie_len,
4688 bool locally_generated, gfp_t gfp);
Samuel Ortizb23aa672009-07-01 21:26:54 +02004689
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004690/**
4691 * cfg80211_ready_on_channel - notification of remain_on_channel start
Johannes Berg71bbc992012-06-15 15:30:18 +02004692 * @wdev: wireless device
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004693 * @cookie: the request cookie
4694 * @chan: The current channel (from remain_on_channel request)
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004695 * @duration: Duration in milliseconds that the driver intents to remain on the
4696 * channel
4697 * @gfp: allocation flags
4698 */
Johannes Berg71bbc992012-06-15 15:30:18 +02004699void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie,
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004700 struct ieee80211_channel *chan,
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004701 unsigned int duration, gfp_t gfp);
4702
4703/**
4704 * cfg80211_remain_on_channel_expired - remain_on_channel duration expired
Johannes Berg71bbc992012-06-15 15:30:18 +02004705 * @wdev: wireless device
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004706 * @cookie: the request cookie
4707 * @chan: The current channel (from remain_on_channel request)
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004708 * @gfp: allocation flags
4709 */
Johannes Berg71bbc992012-06-15 15:30:18 +02004710void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie,
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004711 struct ieee80211_channel *chan,
Jouni Malinen9588bbd2009-12-23 13:15:41 +01004712 gfp_t gfp);
Samuel Ortizb23aa672009-07-01 21:26:54 +02004713
Johannes Berg98b62182009-12-23 13:15:44 +01004714
4715/**
4716 * cfg80211_new_sta - notify userspace about station
4717 *
4718 * @dev: the netdev
4719 * @mac_addr: the station's address
4720 * @sinfo: the station information
4721 * @gfp: allocation flags
4722 */
4723void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr,
4724 struct station_info *sinfo, gfp_t gfp);
4725
Jouni Malinen026331c2010-02-15 12:53:10 +02004726/**
Johannes Bergcf5ead82014-11-14 17:14:00 +01004727 * cfg80211_del_sta_sinfo - notify userspace about deletion of a station
4728 * @dev: the netdev
4729 * @mac_addr: the station's address
4730 * @sinfo: the station information/statistics
4731 * @gfp: allocation flags
4732 */
4733void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr,
4734 struct station_info *sinfo, gfp_t gfp);
4735
4736/**
Jouni Malinenec15e682011-03-23 15:29:52 +02004737 * cfg80211_del_sta - notify userspace about deletion of a station
4738 *
4739 * @dev: the netdev
4740 * @mac_addr: the station's address
4741 * @gfp: allocation flags
4742 */
Johannes Bergcf5ead82014-11-14 17:14:00 +01004743static inline void cfg80211_del_sta(struct net_device *dev,
4744 const u8 *mac_addr, gfp_t gfp)
4745{
4746 cfg80211_del_sta_sinfo(dev, mac_addr, NULL, gfp);
4747}
Jouni Malinenec15e682011-03-23 15:29:52 +02004748
4749/**
Pandiyarajan Pitchaimuthued44a952012-09-18 16:50:49 +05304750 * cfg80211_conn_failed - connection request failed notification
4751 *
4752 * @dev: the netdev
4753 * @mac_addr: the station's address
4754 * @reason: the reason for connection failure
4755 * @gfp: allocation flags
4756 *
4757 * Whenever a station tries to connect to an AP and if the station
4758 * could not connect to the AP as the AP has rejected the connection
4759 * for some reasons, this function is called.
4760 *
4761 * The reason for connection failure can be any of the value from
4762 * nl80211_connect_failed_reason enum
4763 */
4764void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
4765 enum nl80211_connect_failed_reason reason,
4766 gfp_t gfp);
4767
4768/**
Johannes Berg2e161f72010-08-12 15:38:38 +02004769 * cfg80211_rx_mgmt - notification of received, unprocessed management frame
Johannes Berg71bbc992012-06-15 15:30:18 +02004770 * @wdev: wireless device receiving the frame
Jouni Malinen026331c2010-02-15 12:53:10 +02004771 * @freq: Frequency on which the frame was received in MHz
Johannes Berg804483e2012-03-05 22:18:41 +01004772 * @sig_dbm: signal strength in mBm, or 0 if unknown
Johannes Berg2e161f72010-08-12 15:38:38 +02004773 * @buf: Management frame (header + body)
Jouni Malinen026331c2010-02-15 12:53:10 +02004774 * @len: length of the frame data
Vladimir Kondratiev19504cf2013-08-15 14:51:28 +03004775 * @flags: flags, as defined in enum nl80211_rxmgmt_flags
Johannes Berg2e161f72010-08-12 15:38:38 +02004776 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004777 * This function is called whenever an Action frame is received for a station
4778 * mode interface, but is not processed in kernel.
4779 *
4780 * Return: %true if a user space application has registered for this frame.
Johannes Berg2e161f72010-08-12 15:38:38 +02004781 * For action frames, that makes it responsible for rejecting unrecognized
4782 * action frames; %false otherwise, in which case for action frames the
4783 * driver is responsible for rejecting the frame.
Jouni Malinen026331c2010-02-15 12:53:10 +02004784 */
Johannes Berg71bbc992012-06-15 15:30:18 +02004785bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_dbm,
Vladimir Kondratiev970fdfa2014-08-11 03:29:57 -07004786 const u8 *buf, size_t len, u32 flags);
Jouni Malinen026331c2010-02-15 12:53:10 +02004787
4788/**
Johannes Berg2e161f72010-08-12 15:38:38 +02004789 * cfg80211_mgmt_tx_status - notification of TX status for management frame
Johannes Berg71bbc992012-06-15 15:30:18 +02004790 * @wdev: wireless device receiving the frame
Johannes Berg2e161f72010-08-12 15:38:38 +02004791 * @cookie: Cookie returned by cfg80211_ops::mgmt_tx()
4792 * @buf: Management frame (header + body)
Jouni Malinen026331c2010-02-15 12:53:10 +02004793 * @len: length of the frame data
4794 * @ack: Whether frame was acknowledged
4795 * @gfp: context flags
4796 *
Johannes Berg2e161f72010-08-12 15:38:38 +02004797 * This function is called whenever a management frame was requested to be
4798 * transmitted with cfg80211_ops::mgmt_tx() to report the TX status of the
Jouni Malinen026331c2010-02-15 12:53:10 +02004799 * transmission attempt.
4800 */
Johannes Berg71bbc992012-06-15 15:30:18 +02004801void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
Johannes Berg2e161f72010-08-12 15:38:38 +02004802 const u8 *buf, size_t len, bool ack, gfp_t gfp);
Jouni Malinen026331c2010-02-15 12:53:10 +02004803
Juuso Oikarinend6dc1a32010-03-23 09:02:33 +02004804
4805/**
4806 * cfg80211_cqm_rssi_notify - connection quality monitoring rssi event
4807 * @dev: network device
4808 * @rssi_event: the triggered RSSI event
4809 * @gfp: context flags
4810 *
4811 * This function is called when a configured connection quality monitoring
4812 * rssi threshold reached event occurs.
4813 */
4814void cfg80211_cqm_rssi_notify(struct net_device *dev,
4815 enum nl80211_cqm_rssi_threshold_event rssi_event,
4816 gfp_t gfp);
4817
Johannes Bergc063dbf2010-11-24 08:10:05 +01004818/**
4819 * cfg80211_cqm_pktloss_notify - notify userspace about packetloss to peer
4820 * @dev: network device
4821 * @peer: peer's MAC address
4822 * @num_packets: how many packets were lost -- should be a fixed threshold
4823 * but probably no less than maybe 50, or maybe a throughput dependent
4824 * threshold (to account for temporary interference)
4825 * @gfp: context flags
4826 */
4827void cfg80211_cqm_pktloss_notify(struct net_device *dev,
4828 const u8 *peer, u32 num_packets, gfp_t gfp);
4829
Johannes Berge5497d72011-07-05 16:35:40 +02004830/**
Thomas Pedersen84f10702012-07-12 16:17:33 -07004831 * cfg80211_cqm_txe_notify - TX error rate event
4832 * @dev: network device
4833 * @peer: peer's MAC address
4834 * @num_packets: how many packets were lost
4835 * @rate: % of packets which failed transmission
4836 * @intvl: interval (in s) over which the TX failure threshold was breached.
4837 * @gfp: context flags
4838 *
4839 * Notify userspace when configured % TX failures over number of packets in a
4840 * given interval is exceeded.
4841 */
4842void cfg80211_cqm_txe_notify(struct net_device *dev, const u8 *peer,
4843 u32 num_packets, u32 rate, u32 intvl, gfp_t gfp);
4844
4845/**
Johannes Berg98f03342014-11-26 12:42:02 +01004846 * cfg80211_cqm_beacon_loss_notify - beacon loss event
4847 * @dev: network device
4848 * @gfp: context flags
4849 *
4850 * Notify userspace about beacon loss from the connected AP.
4851 */
4852void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp);
4853
4854/**
Johannes Berg5b97f492014-11-26 12:37:43 +01004855 * cfg80211_radar_event - radar detection event
4856 * @wiphy: the wiphy
4857 * @chandef: chandef for the current channel
4858 * @gfp: context flags
4859 *
4860 * This function is called when a radar is detected on the current chanenl.
4861 */
4862void cfg80211_radar_event(struct wiphy *wiphy,
4863 struct cfg80211_chan_def *chandef, gfp_t gfp);
4864
4865/**
4866 * cfg80211_cac_event - Channel availability check (CAC) event
4867 * @netdev: network device
4868 * @chandef: chandef for the current channel
4869 * @event: type of event
4870 * @gfp: context flags
4871 *
4872 * This function is called when a Channel availability check (CAC) is finished
4873 * or aborted. This must be called to notify the completion of a CAC process,
4874 * also by full-MAC drivers.
4875 */
4876void cfg80211_cac_event(struct net_device *netdev,
4877 const struct cfg80211_chan_def *chandef,
4878 enum nl80211_radar_event event, gfp_t gfp);
4879
4880
4881/**
Johannes Berge5497d72011-07-05 16:35:40 +02004882 * cfg80211_gtk_rekey_notify - notify userspace about driver rekeying
4883 * @dev: network device
4884 * @bssid: BSSID of AP (to avoid races)
4885 * @replay_ctr: new replay counter
Johannes Bergaf71ff82011-07-09 14:48:30 +02004886 * @gfp: allocation flags
Johannes Berge5497d72011-07-05 16:35:40 +02004887 */
4888void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid,
4889 const u8 *replay_ctr, gfp_t gfp);
4890
Jouni Malinenc9df56b2011-09-16 18:56:23 +03004891/**
4892 * cfg80211_pmksa_candidate_notify - notify about PMKSA caching candidate
4893 * @dev: network device
4894 * @index: candidate index (the smaller the index, the higher the priority)
4895 * @bssid: BSSID of AP
4896 * @preauth: Whether AP advertises support for RSN pre-authentication
4897 * @gfp: allocation flags
4898 */
4899void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
4900 const u8 *bssid, bool preauth, gfp_t gfp);
4901
Johannes Berg28946da2011-11-04 11:18:12 +01004902/**
4903 * cfg80211_rx_spurious_frame - inform userspace about a spurious frame
4904 * @dev: The device the frame matched to
4905 * @addr: the transmitter address
4906 * @gfp: context flags
4907 *
4908 * This function is used in AP mode (only!) to inform userspace that
4909 * a spurious class 3 frame was received, to be able to deauth the
4910 * sender.
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004911 * Return: %true if the frame was passed to userspace (or this failed
Johannes Berg28946da2011-11-04 11:18:12 +01004912 * for a reason other than not having a subscription.)
4913 */
4914bool cfg80211_rx_spurious_frame(struct net_device *dev,
4915 const u8 *addr, gfp_t gfp);
4916
Johannes Berg7f6cf312011-11-04 11:18:15 +01004917/**
Johannes Bergb92ab5d2011-11-04 11:18:19 +01004918 * cfg80211_rx_unexpected_4addr_frame - inform about unexpected WDS frame
4919 * @dev: The device the frame matched to
4920 * @addr: the transmitter address
4921 * @gfp: context flags
4922 *
4923 * This function is used in AP mode (only!) to inform userspace that
4924 * an associated station sent a 4addr frame but that wasn't expected.
4925 * It is allowed and desirable to send this event only once for each
4926 * station to avoid event flooding.
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004927 * Return: %true if the frame was passed to userspace (or this failed
Johannes Bergb92ab5d2011-11-04 11:18:19 +01004928 * for a reason other than not having a subscription.)
4929 */
4930bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
4931 const u8 *addr, gfp_t gfp);
4932
4933/**
Johannes Berg7f6cf312011-11-04 11:18:15 +01004934 * cfg80211_probe_status - notify userspace about probe status
4935 * @dev: the device the probe was sent on
4936 * @addr: the address of the peer
4937 * @cookie: the cookie filled in @probe_client previously
4938 * @acked: indicates whether probe was acked or not
4939 * @gfp: allocation flags
4940 */
4941void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
4942 u64 cookie, bool acked, gfp_t gfp);
4943
Johannes Berg5e7602302011-11-04 11:18:17 +01004944/**
4945 * cfg80211_report_obss_beacon - report beacon from other APs
4946 * @wiphy: The wiphy that received the beacon
4947 * @frame: the frame
4948 * @len: length of the frame
4949 * @freq: frequency the frame was received on
Johannes Berg804483e2012-03-05 22:18:41 +01004950 * @sig_dbm: signal strength in mBm, or 0 if unknown
Johannes Berg5e7602302011-11-04 11:18:17 +01004951 *
4952 * Use this function to report to userspace when a beacon was
4953 * received. It is not useful to call this when there is no
4954 * netdev that is in AP/GO mode.
4955 */
4956void cfg80211_report_obss_beacon(struct wiphy *wiphy,
4957 const u8 *frame, size_t len,
Ben Greear37c73b52012-10-26 14:49:25 -07004958 int freq, int sig_dbm);
Johannes Berg5e7602302011-11-04 11:18:17 +01004959
Johannes Bergd58e7e32012-05-16 23:50:17 +02004960/**
Johannes Berg683b6d32012-11-08 21:25:48 +01004961 * cfg80211_reg_can_beacon - check if beaconing is allowed
Alexander Simon54858ee5b2011-11-30 16:56:32 +01004962 * @wiphy: the wiphy
Johannes Berg683b6d32012-11-08 21:25:48 +01004963 * @chandef: the channel definition
Ilan Peer174e0cd2014-02-23 09:13:01 +02004964 * @iftype: interface type
Johannes Bergd58e7e32012-05-16 23:50:17 +02004965 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01004966 * Return: %true if there is no secondary channel or the secondary channel(s)
4967 * can be used for beaconing (i.e. is not a radar channel etc.)
Alexander Simon54858ee5b2011-11-30 16:56:32 +01004968 */
Johannes Berg683b6d32012-11-08 21:25:48 +01004969bool cfg80211_reg_can_beacon(struct wiphy *wiphy,
Ilan Peer174e0cd2014-02-23 09:13:01 +02004970 struct cfg80211_chan_def *chandef,
4971 enum nl80211_iftype iftype);
Alexander Simon54858ee5b2011-11-30 16:56:32 +01004972
Arik Nemtsov923b3522015-07-08 15:41:44 +03004973/**
4974 * cfg80211_reg_can_beacon_relax - check if beaconing is allowed with relaxation
4975 * @wiphy: the wiphy
4976 * @chandef: the channel definition
4977 * @iftype: interface type
4978 *
4979 * Return: %true if there is no secondary channel or the secondary channel(s)
4980 * can be used for beaconing (i.e. is not a radar channel etc.). This version
4981 * also checks if IR-relaxation conditions apply, to allow beaconing under
4982 * more permissive conditions.
4983 *
4984 * Requires the RTNL to be held.
4985 */
4986bool cfg80211_reg_can_beacon_relax(struct wiphy *wiphy,
4987 struct cfg80211_chan_def *chandef,
4988 enum nl80211_iftype iftype);
4989
Thomas Pedersen8097e142012-03-05 15:31:47 -08004990/*
Thomas Pedersen53145262012-04-06 13:35:47 -07004991 * cfg80211_ch_switch_notify - update wdev channel and notify userspace
4992 * @dev: the device which switched channels
Johannes Berg683b6d32012-11-08 21:25:48 +01004993 * @chandef: the new channel definition
Thomas Pedersen53145262012-04-06 13:35:47 -07004994 *
Simon Wunderliche487eae2013-11-21 18:19:51 +01004995 * Caller must acquire wdev_lock, therefore must only be called from sleepable
4996 * driver context!
Thomas Pedersen53145262012-04-06 13:35:47 -07004997 */
Johannes Berg683b6d32012-11-08 21:25:48 +01004998void cfg80211_ch_switch_notify(struct net_device *dev,
4999 struct cfg80211_chan_def *chandef);
Thomas Pedersen53145262012-04-06 13:35:47 -07005000
Luciano Coelhof8d75522014-11-07 14:31:35 +02005001/*
5002 * cfg80211_ch_switch_started_notify - notify channel switch start
5003 * @dev: the device on which the channel switch started
5004 * @chandef: the future channel definition
5005 * @count: the number of TBTTs until the channel switch happens
5006 *
5007 * Inform the userspace about the channel switch that has just
5008 * started, so that it can take appropriate actions (eg. starting
5009 * channel switch on other vifs), if necessary.
5010 */
5011void cfg80211_ch_switch_started_notify(struct net_device *dev,
5012 struct cfg80211_chan_def *chandef,
5013 u8 count);
5014
Johannes Berg1ce3e822012-08-01 17:00:55 +02005015/**
5016 * ieee80211_operating_class_to_band - convert operating class to band
5017 *
5018 * @operating_class: the operating class to convert
5019 * @band: band pointer to fill
5020 *
5021 * Returns %true if the conversion was successful, %false otherwise.
5022 */
5023bool ieee80211_operating_class_to_band(u8 operating_class,
5024 enum ieee80211_band *band);
5025
Arik Nemtsova38700d2015-03-18 08:46:08 +02005026/**
5027 * ieee80211_chandef_to_operating_class - convert chandef to operation class
5028 *
5029 * @chandef: the chandef to convert
5030 * @op_class: a pointer to the resulting operating class
5031 *
5032 * Returns %true if the conversion was successful, %false otherwise.
5033 */
5034bool ieee80211_chandef_to_operating_class(struct cfg80211_chan_def *chandef,
5035 u8 *op_class);
5036
Thomas Pedersen53145262012-04-06 13:35:47 -07005037/*
Jouni Malinen3475b092012-11-16 22:49:57 +02005038 * cfg80211_tdls_oper_request - request userspace to perform TDLS operation
5039 * @dev: the device on which the operation is requested
5040 * @peer: the MAC address of the peer device
5041 * @oper: the requested TDLS operation (NL80211_TDLS_SETUP or
5042 * NL80211_TDLS_TEARDOWN)
5043 * @reason_code: the reason code for teardown request
5044 * @gfp: allocation flags
5045 *
5046 * This function is used to request userspace to perform TDLS operation that
5047 * requires knowledge of keys, i.e., link setup or teardown when the AP
5048 * connection uses encryption. This is optional mechanism for the driver to use
5049 * if it can automatically determine when a TDLS link could be useful (e.g.,
5050 * based on traffic and signal strength for a peer).
5051 */
5052void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
5053 enum nl80211_tdls_operation oper,
5054 u16 reason_code, gfp_t gfp);
5055
5056/*
Thomas Pedersen8097e142012-03-05 15:31:47 -08005057 * cfg80211_calculate_bitrate - calculate actual bitrate (in 100Kbps units)
5058 * @rate: given rate_info to calculate bitrate from
5059 *
5060 * return 0 if MCS index >= 32
5061 */
Vladimir Kondratiev8eb41c82012-07-05 14:25:49 +03005062u32 cfg80211_calculate_bitrate(struct rate_info *rate);
Thomas Pedersen8097e142012-03-05 15:31:47 -08005063
Johannes Berg98104fde2012-06-16 00:19:54 +02005064/**
5065 * cfg80211_unregister_wdev - remove the given wdev
5066 * @wdev: struct wireless_dev to remove
5067 *
5068 * Call this function only for wdevs that have no netdev assigned,
5069 * e.g. P2P Devices. It removes the device from the list so that
5070 * it can no longer be used. It is necessary to call this function
5071 * even when cfg80211 requests the removal of the interface by
5072 * calling the del_virtual_intf() callback. The function must also
5073 * be called when the driver wishes to unregister the wdev, e.g.
5074 * when the device is unbound from the driver.
5075 *
5076 * Requires the RTNL to be held.
5077 */
5078void cfg80211_unregister_wdev(struct wireless_dev *wdev);
5079
Johannes Berg0ee45352012-10-29 19:48:40 +01005080/**
Jouni Malinen355199e2013-02-27 17:14:27 +02005081 * struct cfg80211_ft_event - FT Information Elements
5082 * @ies: FT IEs
5083 * @ies_len: length of the FT IE in bytes
5084 * @target_ap: target AP's MAC address
5085 * @ric_ies: RIC IE
5086 * @ric_ies_len: length of the RIC IE in bytes
5087 */
5088struct cfg80211_ft_event_params {
5089 const u8 *ies;
5090 size_t ies_len;
5091 const u8 *target_ap;
5092 const u8 *ric_ies;
5093 size_t ric_ies_len;
5094};
5095
5096/**
5097 * cfg80211_ft_event - notify userspace about FT IE and RIC IE
5098 * @netdev: network device
5099 * @ft_event: IE information
5100 */
5101void cfg80211_ft_event(struct net_device *netdev,
5102 struct cfg80211_ft_event_params *ft_event);
5103
5104/**
Johannes Berg0ee45352012-10-29 19:48:40 +01005105 * cfg80211_get_p2p_attr - find and copy a P2P attribute from IE buffer
5106 * @ies: the input IE buffer
5107 * @len: the input length
5108 * @attr: the attribute ID to find
5109 * @buf: output buffer, can be %NULL if the data isn't needed, e.g.
5110 * if the function is only called to get the needed buffer size
5111 * @bufsize: size of the output buffer
5112 *
5113 * The function finds a given P2P attribute in the (vendor) IEs and
5114 * copies its contents to the given buffer.
5115 *
Yacine Belkadi0ae997d2013-01-12 13:54:14 +01005116 * Return: A negative error code (-%EILSEQ or -%ENOENT) if the data is
5117 * malformed or the attribute can't be found (respectively), or the
5118 * length of the found attribute (which can be zero).
Johannes Berg0ee45352012-10-29 19:48:40 +01005119 */
Arend van Sprielc216e642012-11-25 19:13:28 +01005120int cfg80211_get_p2p_attr(const u8 *ies, unsigned int len,
5121 enum ieee80211_p2p_attr_id attr,
5122 u8 *buf, unsigned int bufsize);
Johannes Berg0ee45352012-10-29 19:48:40 +01005123
Johannes Bergcd8f7cb2013-01-22 12:34:29 +01005124/**
Johannes Berg29464cc2015-03-31 15:36:22 +02005125 * ieee80211_ie_split_ric - split an IE buffer according to ordering (with RIC)
5126 * @ies: the IE buffer
5127 * @ielen: the length of the IE buffer
5128 * @ids: an array with element IDs that are allowed before
5129 * the split
5130 * @n_ids: the size of the element ID array
5131 * @after_ric: array IE types that come after the RIC element
5132 * @n_after_ric: size of the @after_ric array
5133 * @offset: offset where to start splitting in the buffer
5134 *
5135 * This function splits an IE buffer by updating the @offset
5136 * variable to point to the location where the buffer should be
5137 * split.
5138 *
5139 * It assumes that the given IE buffer is well-formed, this
5140 * has to be guaranteed by the caller!
5141 *
5142 * It also assumes that the IEs in the buffer are ordered
5143 * correctly, if not the result of using this function will not
5144 * be ordered correctly either, i.e. it does no reordering.
5145 *
5146 * The function returns the offset where the next part of the
5147 * buffer starts, which may be @ielen if the entire (remainder)
5148 * of the buffer should be used.
5149 */
5150size_t ieee80211_ie_split_ric(const u8 *ies, size_t ielen,
5151 const u8 *ids, int n_ids,
5152 const u8 *after_ric, int n_after_ric,
5153 size_t offset);
5154
5155/**
5156 * ieee80211_ie_split - split an IE buffer according to ordering
5157 * @ies: the IE buffer
5158 * @ielen: the length of the IE buffer
5159 * @ids: an array with element IDs that are allowed before
5160 * the split
5161 * @n_ids: the size of the element ID array
5162 * @offset: offset where to start splitting in the buffer
5163 *
5164 * This function splits an IE buffer by updating the @offset
5165 * variable to point to the location where the buffer should be
5166 * split.
5167 *
5168 * It assumes that the given IE buffer is well-formed, this
5169 * has to be guaranteed by the caller!
5170 *
5171 * It also assumes that the IEs in the buffer are ordered
5172 * correctly, if not the result of using this function will not
5173 * be ordered correctly either, i.e. it does no reordering.
5174 *
5175 * The function returns the offset where the next part of the
5176 * buffer starts, which may be @ielen if the entire (remainder)
5177 * of the buffer should be used.
5178 */
Johannes Berg0483eea2015-10-23 09:50:03 +02005179static inline size_t ieee80211_ie_split(const u8 *ies, size_t ielen,
5180 const u8 *ids, int n_ids, size_t offset)
5181{
5182 return ieee80211_ie_split_ric(ies, ielen, ids, n_ids, NULL, 0, offset);
5183}
Johannes Berg29464cc2015-03-31 15:36:22 +02005184
5185/**
Johannes Bergcd8f7cb2013-01-22 12:34:29 +01005186 * cfg80211_report_wowlan_wakeup - report wakeup from WoWLAN
5187 * @wdev: the wireless device reporting the wakeup
5188 * @wakeup: the wakeup report
5189 * @gfp: allocation flags
5190 *
5191 * This function reports that the given device woke up. If it
5192 * caused the wakeup, report the reason(s), otherwise you may
5193 * pass %NULL as the @wakeup parameter to advertise that something
5194 * else caused the wakeup.
5195 */
5196void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
5197 struct cfg80211_wowlan_wakeup *wakeup,
5198 gfp_t gfp);
5199
Arend van Spriel5de17982013-04-18 15:49:00 +02005200/**
5201 * cfg80211_crit_proto_stopped() - indicate critical protocol stopped by driver.
5202 *
5203 * @wdev: the wireless device for which critical protocol is stopped.
Robert P. J. Day03f831a2013-05-02 07:15:09 -04005204 * @gfp: allocation flags
Arend van Spriel5de17982013-04-18 15:49:00 +02005205 *
5206 * This function can be called by the driver to indicate it has reverted
5207 * operation back to normal. One reason could be that the duration given
5208 * by .crit_proto_start() has expired.
5209 */
5210void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp);
5211
Ilan Peerbdfbec22014-01-09 11:37:23 +02005212/**
5213 * ieee80211_get_num_supported_channels - get number of channels device has
5214 * @wiphy: the wiphy
5215 *
5216 * Return: the number of channels supported by the device.
5217 */
5218unsigned int ieee80211_get_num_supported_channels(struct wiphy *wiphy);
5219
Luciano Coelhocb2d9562014-02-17 16:52:35 +02005220/**
5221 * cfg80211_check_combinations - check interface combinations
5222 *
5223 * @wiphy: the wiphy
5224 * @num_different_channels: the number of different channels we want
5225 * to use for verification
5226 * @radar_detect: a bitmap where each bit corresponds to a channel
5227 * width where radar detection is needed, as in the definition of
5228 * &struct ieee80211_iface_combination.@radar_detect_widths
5229 * @iftype_num: array with the numbers of interfaces of each interface
5230 * type. The index is the interface type as specified in &enum
5231 * nl80211_iftype.
5232 *
5233 * This function can be called by the driver to check whether a
5234 * combination of interfaces and their types are allowed according to
5235 * the interface combinations.
5236 */
5237int cfg80211_check_combinations(struct wiphy *wiphy,
5238 const int num_different_channels,
5239 const u8 radar_detect,
5240 const int iftype_num[NUM_NL80211_IFTYPES]);
5241
Michal Kazior65a124d2014-04-09 15:29:22 +02005242/**
5243 * cfg80211_iter_combinations - iterate over matching combinations
5244 *
5245 * @wiphy: the wiphy
5246 * @num_different_channels: the number of different channels we want
5247 * to use for verification
5248 * @radar_detect: a bitmap where each bit corresponds to a channel
5249 * width where radar detection is needed, as in the definition of
5250 * &struct ieee80211_iface_combination.@radar_detect_widths
5251 * @iftype_num: array with the numbers of interfaces of each interface
5252 * type. The index is the interface type as specified in &enum
5253 * nl80211_iftype.
5254 * @iter: function to call for each matching combination
5255 * @data: pointer to pass to iter function
5256 *
5257 * This function can be called by the driver to check what possible
5258 * combinations it fits in at a given moment, e.g. for channel switching
5259 * purposes.
5260 */
5261int cfg80211_iter_combinations(struct wiphy *wiphy,
5262 const int num_different_channels,
5263 const u8 radar_detect,
5264 const int iftype_num[NUM_NL80211_IFTYPES],
5265 void (*iter)(const struct ieee80211_iface_combination *c,
5266 void *data),
5267 void *data);
5268
Michal Kaziorf04c2202014-04-09 15:11:01 +02005269/*
5270 * cfg80211_stop_iface - trigger interface disconnection
5271 *
5272 * @wiphy: the wiphy
5273 * @wdev: wireless device
5274 * @gfp: context flags
5275 *
5276 * Trigger interface to be stopped as if AP was stopped, IBSS/mesh left, STA
5277 * disconnected.
5278 *
5279 * Note: This doesn't need any locks and is asynchronous.
5280 */
5281void cfg80211_stop_iface(struct wiphy *wiphy, struct wireless_dev *wdev,
5282 gfp_t gfp);
5283
Johannes Bergf6837ba2014-04-30 14:19:04 +02005284/**
5285 * cfg80211_shutdown_all_interfaces - shut down all interfaces for a wiphy
5286 * @wiphy: the wiphy to shut down
5287 *
5288 * This function shuts down all interfaces belonging to this wiphy by
5289 * calling dev_close() (and treating non-netdev interfaces as needed).
5290 * It shouldn't really be used unless there are some fatal device errors
5291 * that really can't be recovered in any other way.
5292 *
5293 * Callers must hold the RTNL and be able to deal with callbacks into
5294 * the driver while the function is running.
5295 */
5296void cfg80211_shutdown_all_interfaces(struct wiphy *wiphy);
5297
Gautam Kumar Shuklad75bb062014-12-23 16:55:19 +01005298/**
5299 * wiphy_ext_feature_set - set the extended feature flag
5300 *
5301 * @wiphy: the wiphy to modify.
5302 * @ftidx: extended feature bit index.
5303 *
5304 * The extended features are flagged in multiple bytes (see
5305 * &struct wiphy.@ext_features)
5306 */
5307static inline void wiphy_ext_feature_set(struct wiphy *wiphy,
5308 enum nl80211_ext_feature_index ftidx)
5309{
5310 u8 *ft_byte;
5311
5312 ft_byte = &wiphy->ext_features[ftidx / 8];
5313 *ft_byte |= BIT(ftidx % 8);
5314}
5315
5316/**
5317 * wiphy_ext_feature_isset - check the extended feature flag
5318 *
5319 * @wiphy: the wiphy to modify.
5320 * @ftidx: extended feature bit index.
5321 *
5322 * The extended features are flagged in multiple bytes (see
5323 * &struct wiphy.@ext_features)
5324 */
5325static inline bool
5326wiphy_ext_feature_isset(struct wiphy *wiphy,
5327 enum nl80211_ext_feature_index ftidx)
5328{
5329 u8 ft_byte;
5330
5331 ft_byte = wiphy->ext_features[ftidx / 8];
5332 return (ft_byte & BIT(ftidx % 8)) != 0;
5333}
Johannes Bergb7ffbd72014-06-04 17:31:56 +02005334
5335/* ethtool helper */
5336void cfg80211_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info);
5337
Joe Perchese1db74f2010-07-26 14:39:57 -07005338/* Logging, debugging and troubleshooting/diagnostic helpers. */
5339
5340/* wiphy_printk helpers, similar to dev_printk */
5341
5342#define wiphy_printk(level, wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005343 dev_printk(level, &(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005344#define wiphy_emerg(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005345 dev_emerg(&(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005346#define wiphy_alert(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005347 dev_alert(&(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005348#define wiphy_crit(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005349 dev_crit(&(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005350#define wiphy_err(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005351 dev_err(&(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005352#define wiphy_warn(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005353 dev_warn(&(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005354#define wiphy_notice(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005355 dev_notice(&(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005356#define wiphy_info(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005357 dev_info(&(wiphy)->dev, format, ##args)
Joe Perches073730d2010-07-26 14:40:00 -07005358
Joe Perches9c376632010-08-20 15:13:59 -07005359#define wiphy_debug(wiphy, format, args...) \
Joe Perchese1db74f2010-07-26 14:39:57 -07005360 wiphy_printk(KERN_DEBUG, wiphy, format, ##args)
Joe Perches9c376632010-08-20 15:13:59 -07005361
Joe Perchese1db74f2010-07-26 14:39:57 -07005362#define wiphy_dbg(wiphy, format, args...) \
Joe Perches9c376632010-08-20 15:13:59 -07005363 dev_dbg(&(wiphy)->dev, format, ##args)
Joe Perchese1db74f2010-07-26 14:39:57 -07005364
5365#if defined(VERBOSE_DEBUG)
5366#define wiphy_vdbg wiphy_dbg
5367#else
Joe Perchese1db74f2010-07-26 14:39:57 -07005368#define wiphy_vdbg(wiphy, format, args...) \
5369({ \
5370 if (0) \
5371 wiphy_printk(KERN_DEBUG, wiphy, format, ##args); \
Joe Perches9c376632010-08-20 15:13:59 -07005372 0; \
Joe Perchese1db74f2010-07-26 14:39:57 -07005373})
5374#endif
5375
5376/*
5377 * wiphy_WARN() acts like wiphy_printk(), but with the key difference
5378 * of using a WARN/WARN_ON to get the message out, including the
5379 * file/line information and a backtrace.
5380 */
5381#define wiphy_WARN(wiphy, format, args...) \
5382 WARN(1, "wiphy: %s\n" format, wiphy_name(wiphy), ##args);
5383
Johannes Berg704232c2007-04-23 12:20:05 -07005384#endif /* __NET_CFG80211_H */