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1 | #ifndef __NET_CFG80211_H | |
2 | #define __NET_CFG80211_H | |
3 | /* | |
4 | * 802.11 device and configuration interface | |
5 | * | |
6 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | */ | |
12 | ||
13 | #include <linux/netdevice.h> | |
14 | #include <linux/debugfs.h> | |
15 | #include <linux/list.h> | |
16 | #include <linux/bug.h> | |
17 | #include <linux/netlink.h> | |
18 | #include <linux/skbuff.h> | |
19 | #include <linux/nl80211.h> | |
20 | #include <linux/if_ether.h> | |
21 | #include <linux/ieee80211.h> | |
22 | #include <net/regulatory.h> | |
23 | ||
24 | /** | |
25 | * DOC: Introduction | |
26 | * | |
27 | * cfg80211 is the configuration API for 802.11 devices in Linux. It bridges | |
28 | * userspace and drivers, and offers some utility functionality associated | |
29 | * with 802.11. cfg80211 must, directly or indirectly via mac80211, be used | |
30 | * by all modern wireless drivers in Linux, so that they offer a consistent | |
31 | * API through nl80211. For backward compatibility, cfg80211 also offers | |
32 | * wireless extensions to userspace, but hides them from drivers completely. | |
33 | * | |
34 | * Additionally, cfg80211 contains code to help enforce regulatory spectrum | |
35 | * use restrictions. | |
36 | */ | |
37 | ||
38 | ||
39 | /** | |
40 | * DOC: Device registration | |
41 | * | |
42 | * In order for a driver to use cfg80211, it must register the hardware device | |
43 | * with cfg80211. This happens through a number of hardware capability structs | |
44 | * described below. | |
45 | * | |
46 | * The fundamental structure for each device is the 'wiphy', of which each | |
47 | * instance describes a physical wireless device connected to the system. Each | |
48 | * such wiphy can have zero, one, or many virtual interfaces associated with | |
49 | * it, which need to be identified as such by pointing the network interface's | |
50 | * @ieee80211_ptr pointer to a &struct wireless_dev which further describes | |
51 | * the wireless part of the interface, normally this struct is embedded in the | |
52 | * network interface's private data area. Drivers can optionally allow creating | |
53 | * or destroying virtual interfaces on the fly, but without at least one or the | |
54 | * ability to create some the wireless device isn't useful. | |
55 | * | |
56 | * Each wiphy structure contains device capability information, and also has | |
57 | * a pointer to the various operations the driver offers. The definitions and | |
58 | * structures here describe these capabilities in detail. | |
59 | */ | |
60 | ||
61 | /* | |
62 | * wireless hardware capability structures | |
63 | */ | |
64 | ||
65 | /** | |
66 | * enum ieee80211_band - supported frequency bands | |
67 | * | |
68 | * The bands are assigned this way because the supported | |
69 | * bitrates differ in these bands. | |
70 | * | |
71 | * @IEEE80211_BAND_2GHZ: 2.4GHz ISM band | |
72 | * @IEEE80211_BAND_5GHZ: around 5GHz band (4.9-5.7) | |
73 | * @IEEE80211_BAND_60GHZ: around 60 GHz band (58.32 - 64.80 GHz) | |
74 | * @IEEE80211_NUM_BANDS: number of defined bands | |
75 | */ | |
76 | enum ieee80211_band { | |
77 | IEEE80211_BAND_2GHZ = NL80211_BAND_2GHZ, | |
78 | IEEE80211_BAND_5GHZ = NL80211_BAND_5GHZ, | |
79 | IEEE80211_BAND_60GHZ = NL80211_BAND_60GHZ, | |
80 | ||
81 | /* keep last */ | |
82 | IEEE80211_NUM_BANDS | |
83 | }; | |
84 | ||
85 | /** | |
86 | * enum ieee80211_channel_flags - channel flags | |
87 | * | |
88 | * Channel flags set by the regulatory control code. | |
89 | * | |
90 | * @IEEE80211_CHAN_DISABLED: This channel is disabled. | |
91 | * @IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted | |
92 | * on this channel. | |
93 | * @IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel. | |
94 | * @IEEE80211_CHAN_RADAR: Radar detection is required on this channel. | |
95 | * @IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel | |
96 | * is not permitted. | |
97 | * @IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel | |
98 | * is not permitted. | |
99 | * @IEEE80211_CHAN_NO_OFDM: OFDM is not allowed on this channel. | |
100 | */ | |
101 | enum ieee80211_channel_flags { | |
102 | IEEE80211_CHAN_DISABLED = 1<<0, | |
103 | IEEE80211_CHAN_PASSIVE_SCAN = 1<<1, | |
104 | IEEE80211_CHAN_NO_IBSS = 1<<2, | |
105 | IEEE80211_CHAN_RADAR = 1<<3, | |
106 | IEEE80211_CHAN_NO_HT40PLUS = 1<<4, | |
107 | IEEE80211_CHAN_NO_HT40MINUS = 1<<5, | |
108 | IEEE80211_CHAN_NO_OFDM = 1<<6, | |
109 | }; | |
110 | ||
111 | #define IEEE80211_CHAN_NO_HT40 \ | |
112 | (IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) | |
113 | ||
114 | /** | |
115 | * struct ieee80211_channel - channel definition | |
116 | * | |
117 | * This structure describes a single channel for use | |
118 | * with cfg80211. | |
119 | * | |
120 | * @center_freq: center frequency in MHz | |
121 | * @hw_value: hardware-specific value for the channel | |
122 | * @flags: channel flags from &enum ieee80211_channel_flags. | |
123 | * @orig_flags: channel flags at registration time, used by regulatory | |
124 | * code to support devices with additional restrictions | |
125 | * @band: band this channel belongs to. | |
126 | * @max_antenna_gain: maximum antenna gain in dBi | |
127 | * @max_power: maximum transmission power (in dBm) | |
128 | * @max_reg_power: maximum regulatory transmission power (in dBm) | |
129 | * @beacon_found: helper to regulatory code to indicate when a beacon | |
130 | * has been found on this channel. Use regulatory_hint_found_beacon() | |
131 | * to enable this, this is useful only on 5 GHz band. | |
132 | * @orig_mag: internal use | |
133 | * @orig_mpwr: internal use | |
134 | */ | |
135 | struct ieee80211_channel { | |
136 | enum ieee80211_band band; | |
137 | u16 center_freq; | |
138 | u16 hw_value; | |
139 | u32 flags; | |
140 | int max_antenna_gain; | |
141 | int max_power; | |
142 | int max_reg_power; | |
143 | bool beacon_found; | |
144 | u32 orig_flags; | |
145 | int orig_mag, orig_mpwr; | |
146 | }; | |
147 | ||
148 | /** | |
149 | * enum ieee80211_rate_flags - rate flags | |
150 | * | |
151 | * Hardware/specification flags for rates. These are structured | |
152 | * in a way that allows using the same bitrate structure for | |
153 | * different bands/PHY modes. | |
154 | * | |
155 | * @IEEE80211_RATE_SHORT_PREAMBLE: Hardware can send with short | |
156 | * preamble on this bitrate; only relevant in 2.4GHz band and | |
157 | * with CCK rates. | |
158 | * @IEEE80211_RATE_MANDATORY_A: This bitrate is a mandatory rate | |
159 | * when used with 802.11a (on the 5 GHz band); filled by the | |
160 | * core code when registering the wiphy. | |
161 | * @IEEE80211_RATE_MANDATORY_B: This bitrate is a mandatory rate | |
162 | * when used with 802.11b (on the 2.4 GHz band); filled by the | |
163 | * core code when registering the wiphy. | |
164 | * @IEEE80211_RATE_MANDATORY_G: This bitrate is a mandatory rate | |
165 | * when used with 802.11g (on the 2.4 GHz band); filled by the | |
166 | * core code when registering the wiphy. | |
167 | * @IEEE80211_RATE_ERP_G: This is an ERP rate in 802.11g mode. | |
168 | */ | |
169 | enum ieee80211_rate_flags { | |
170 | IEEE80211_RATE_SHORT_PREAMBLE = 1<<0, | |
171 | IEEE80211_RATE_MANDATORY_A = 1<<1, | |
172 | IEEE80211_RATE_MANDATORY_B = 1<<2, | |
173 | IEEE80211_RATE_MANDATORY_G = 1<<3, | |
174 | IEEE80211_RATE_ERP_G = 1<<4, | |
175 | }; | |
176 | ||
177 | /** | |
178 | * struct ieee80211_rate - bitrate definition | |
179 | * | |
180 | * This structure describes a bitrate that an 802.11 PHY can | |
181 | * operate with. The two values @hw_value and @hw_value_short | |
182 | * are only for driver use when pointers to this structure are | |
183 | * passed around. | |
184 | * | |
185 | * @flags: rate-specific flags | |
186 | * @bitrate: bitrate in units of 100 Kbps | |
187 | * @hw_value: driver/hardware value for this rate | |
188 | * @hw_value_short: driver/hardware value for this rate when | |
189 | * short preamble is used | |
190 | */ | |
191 | struct ieee80211_rate { | |
192 | u32 flags; | |
193 | u16 bitrate; | |
194 | u16 hw_value, hw_value_short; | |
195 | }; | |
196 | ||
197 | /** | |
198 | * struct ieee80211_sta_ht_cap - STA's HT capabilities | |
199 | * | |
200 | * This structure describes most essential parameters needed | |
201 | * to describe 802.11n HT capabilities for an STA. | |
202 | * | |
203 | * @ht_supported: is HT supported by the STA | |
204 | * @cap: HT capabilities map as described in 802.11n spec | |
205 | * @ampdu_factor: Maximum A-MPDU length factor | |
206 | * @ampdu_density: Minimum A-MPDU spacing | |
207 | * @mcs: Supported MCS rates | |
208 | */ | |
209 | struct ieee80211_sta_ht_cap { | |
210 | u16 cap; /* use IEEE80211_HT_CAP_ */ | |
211 | bool ht_supported; | |
212 | u8 ampdu_factor; | |
213 | u8 ampdu_density; | |
214 | struct ieee80211_mcs_info mcs; | |
215 | }; | |
216 | ||
217 | /** | |
218 | * struct ieee80211_sta_vht_cap - STA's VHT capabilities | |
219 | * | |
220 | * This structure describes most essential parameters needed | |
221 | * to describe 802.11ac VHT capabilities for an STA. | |
222 | * | |
223 | * @vht_supported: is VHT supported by the STA | |
224 | * @cap: VHT capabilities map as described in 802.11ac spec | |
225 | * @vht_mcs: Supported VHT MCS rates | |
226 | */ | |
227 | struct ieee80211_sta_vht_cap { | |
228 | bool vht_supported; | |
229 | u32 cap; /* use IEEE80211_VHT_CAP_ */ | |
230 | struct ieee80211_vht_mcs_info vht_mcs; | |
231 | }; | |
232 | ||
233 | /** | |
234 | * struct ieee80211_supported_band - frequency band definition | |
235 | * | |
236 | * This structure describes a frequency band a wiphy | |
237 | * is able to operate in. | |
238 | * | |
239 | * @channels: Array of channels the hardware can operate in | |
240 | * in this band. | |
241 | * @band: the band this structure represents | |
242 | * @n_channels: Number of channels in @channels | |
243 | * @bitrates: Array of bitrates the hardware can operate with | |
244 | * in this band. Must be sorted to give a valid "supported | |
245 | * rates" IE, i.e. CCK rates first, then OFDM. | |
246 | * @n_bitrates: Number of bitrates in @bitrates | |
247 | * @ht_cap: HT capabilities in this band | |
248 | * @vht_cap: VHT capabilities in this band | |
249 | */ | |
250 | struct ieee80211_supported_band { | |
251 | struct ieee80211_channel *channels; | |
252 | struct ieee80211_rate *bitrates; | |
253 | enum ieee80211_band band; | |
254 | int n_channels; | |
255 | int n_bitrates; | |
256 | struct ieee80211_sta_ht_cap ht_cap; | |
257 | struct ieee80211_sta_vht_cap vht_cap; | |
258 | }; | |
259 | ||
260 | /* | |
261 | * Wireless hardware/device configuration structures and methods | |
262 | */ | |
263 | ||
264 | /** | |
265 | * DOC: Actions and configuration | |
266 | * | |
267 | * Each wireless device and each virtual interface offer a set of configuration | |
268 | * operations and other actions that are invoked by userspace. Each of these | |
269 | * actions is described in the operations structure, and the parameters these | |
270 | * operations use are described separately. | |
271 | * | |
272 | * Additionally, some operations are asynchronous and expect to get status | |
273 | * information via some functions that drivers need to call. | |
274 | * | |
275 | * Scanning and BSS list handling with its associated functionality is described | |
276 | * in a separate chapter. | |
277 | */ | |
278 | ||
279 | /** | |
280 | * struct vif_params - describes virtual interface parameters | |
281 | * @use_4addr: use 4-address frames | |
282 | */ | |
283 | struct vif_params { | |
284 | int use_4addr; | |
285 | }; | |
286 | ||
287 | /** | |
288 | * struct key_params - key information | |
289 | * | |
290 | * Information about a key | |
291 | * | |
292 | * @key: key material | |
293 | * @key_len: length of key material | |
294 | * @cipher: cipher suite selector | |
295 | * @seq: sequence counter (IV/PN) for TKIP and CCMP keys, only used | |
296 | * with the get_key() callback, must be in little endian, | |
297 | * length given by @seq_len. | |
298 | * @seq_len: length of @seq. | |
299 | */ | |
300 | struct key_params { | |
301 | u8 *key; | |
302 | u8 *seq; | |
303 | int key_len; | |
304 | int seq_len; | |
305 | u32 cipher; | |
306 | }; | |
307 | ||
308 | /** | |
309 | * enum survey_info_flags - survey information flags | |
310 | * | |
311 | * @SURVEY_INFO_NOISE_DBM: noise (in dBm) was filled in | |
312 | * @SURVEY_INFO_IN_USE: channel is currently being used | |
313 | * @SURVEY_INFO_CHANNEL_TIME: channel active time (in ms) was filled in | |
314 | * @SURVEY_INFO_CHANNEL_TIME_BUSY: channel busy time was filled in | |
315 | * @SURVEY_INFO_CHANNEL_TIME_EXT_BUSY: extension channel busy time was filled in | |
316 | * @SURVEY_INFO_CHANNEL_TIME_RX: channel receive time was filled in | |
317 | * @SURVEY_INFO_CHANNEL_TIME_TX: channel transmit time was filled in | |
318 | * | |
319 | * Used by the driver to indicate which info in &struct survey_info | |
320 | * it has filled in during the get_survey(). | |
321 | */ | |
322 | enum survey_info_flags { | |
323 | SURVEY_INFO_NOISE_DBM = 1<<0, | |
324 | SURVEY_INFO_IN_USE = 1<<1, | |
325 | SURVEY_INFO_CHANNEL_TIME = 1<<2, | |
326 | SURVEY_INFO_CHANNEL_TIME_BUSY = 1<<3, | |
327 | SURVEY_INFO_CHANNEL_TIME_EXT_BUSY = 1<<4, | |
328 | SURVEY_INFO_CHANNEL_TIME_RX = 1<<5, | |
329 | SURVEY_INFO_CHANNEL_TIME_TX = 1<<6, | |
330 | }; | |
331 | ||
332 | /** | |
333 | * struct survey_info - channel survey response | |
334 | * | |
335 | * @channel: the channel this survey record reports, mandatory | |
336 | * @filled: bitflag of flags from &enum survey_info_flags | |
337 | * @noise: channel noise in dBm. This and all following fields are | |
338 | * optional | |
339 | * @channel_time: amount of time in ms the radio spent on the channel | |
340 | * @channel_time_busy: amount of time the primary channel was sensed busy | |
341 | * @channel_time_ext_busy: amount of time the extension channel was sensed busy | |
342 | * @channel_time_rx: amount of time the radio spent receiving data | |
343 | * @channel_time_tx: amount of time the radio spent transmitting data | |
344 | * | |
345 | * Used by dump_survey() to report back per-channel survey information. | |
346 | * | |
347 | * This structure can later be expanded with things like | |
348 | * channel duty cycle etc. | |
349 | */ | |
350 | struct survey_info { | |
351 | struct ieee80211_channel *channel; | |
352 | u64 channel_time; | |
353 | u64 channel_time_busy; | |
354 | u64 channel_time_ext_busy; | |
355 | u64 channel_time_rx; | |
356 | u64 channel_time_tx; | |
357 | u32 filled; | |
358 | s8 noise; | |
359 | }; | |
360 | ||
361 | /** | |
362 | * struct cfg80211_crypto_settings - Crypto settings | |
363 | * @wpa_versions: indicates which, if any, WPA versions are enabled | |
364 | * (from enum nl80211_wpa_versions) | |
365 | * @cipher_group: group key cipher suite (or 0 if unset) | |
366 | * @n_ciphers_pairwise: number of AP supported unicast ciphers | |
367 | * @ciphers_pairwise: unicast key cipher suites | |
368 | * @n_akm_suites: number of AKM suites | |
369 | * @akm_suites: AKM suites | |
370 | * @control_port: Whether user space controls IEEE 802.1X port, i.e., | |
371 | * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is | |
372 | * required to assume that the port is unauthorized until authorized by | |
373 | * user space. Otherwise, port is marked authorized by default. | |
374 | * @control_port_ethertype: the control port protocol that should be | |
375 | * allowed through even on unauthorized ports | |
376 | * @control_port_no_encrypt: TRUE to prevent encryption of control port | |
377 | * protocol frames. | |
378 | */ | |
379 | struct cfg80211_crypto_settings { | |
380 | u32 wpa_versions; | |
381 | u32 cipher_group; | |
382 | int n_ciphers_pairwise; | |
383 | u32 ciphers_pairwise[NL80211_MAX_NR_CIPHER_SUITES]; | |
384 | int n_akm_suites; | |
385 | u32 akm_suites[NL80211_MAX_NR_AKM_SUITES]; | |
386 | bool control_port; | |
387 | __be16 control_port_ethertype; | |
388 | bool control_port_no_encrypt; | |
389 | }; | |
390 | ||
391 | /** | |
392 | * struct cfg80211_beacon_data - beacon data | |
393 | * @head: head portion of beacon (before TIM IE) | |
394 | * or %NULL if not changed | |
395 | * @tail: tail portion of beacon (after TIM IE) | |
396 | * or %NULL if not changed | |
397 | * @head_len: length of @head | |
398 | * @tail_len: length of @tail | |
399 | * @beacon_ies: extra information element(s) to add into Beacon frames or %NULL | |
400 | * @beacon_ies_len: length of beacon_ies in octets | |
401 | * @proberesp_ies: extra information element(s) to add into Probe Response | |
402 | * frames or %NULL | |
403 | * @proberesp_ies_len: length of proberesp_ies in octets | |
404 | * @assocresp_ies: extra information element(s) to add into (Re)Association | |
405 | * Response frames or %NULL | |
406 | * @assocresp_ies_len: length of assocresp_ies in octets | |
407 | * @probe_resp_len: length of probe response template (@probe_resp) | |
408 | * @probe_resp: probe response template (AP mode only) | |
409 | */ | |
410 | struct cfg80211_beacon_data { | |
411 | const u8 *head, *tail; | |
412 | const u8 *beacon_ies; | |
413 | const u8 *proberesp_ies; | |
414 | const u8 *assocresp_ies; | |
415 | const u8 *probe_resp; | |
416 | ||
417 | size_t head_len, tail_len; | |
418 | size_t beacon_ies_len; | |
419 | size_t proberesp_ies_len; | |
420 | size_t assocresp_ies_len; | |
421 | size_t probe_resp_len; | |
422 | }; | |
423 | ||
424 | /** | |
425 | * struct cfg80211_ap_settings - AP configuration | |
426 | * | |
427 | * Used to configure an AP interface. | |
428 | * | |
429 | * @channel: the channel to start the AP on | |
430 | * @channel_type: the channel type to use | |
431 | * @beacon: beacon data | |
432 | * @beacon_interval: beacon interval | |
433 | * @dtim_period: DTIM period | |
434 | * @ssid: SSID to be used in the BSS (note: may be %NULL if not provided from | |
435 | * user space) | |
436 | * @ssid_len: length of @ssid | |
437 | * @hidden_ssid: whether to hide the SSID in Beacon/Probe Response frames | |
438 | * @crypto: crypto settings | |
439 | * @privacy: the BSS uses privacy | |
440 | * @auth_type: Authentication type (algorithm) | |
441 | * @inactivity_timeout: time in seconds to determine station's inactivity. | |
442 | */ | |
443 | struct cfg80211_ap_settings { | |
444 | struct ieee80211_channel *channel; | |
445 | enum nl80211_channel_type channel_type; | |
446 | ||
447 | struct cfg80211_beacon_data beacon; | |
448 | ||
449 | int beacon_interval, dtim_period; | |
450 | const u8 *ssid; | |
451 | size_t ssid_len; | |
452 | enum nl80211_hidden_ssid hidden_ssid; | |
453 | struct cfg80211_crypto_settings crypto; | |
454 | bool privacy; | |
455 | enum nl80211_auth_type auth_type; | |
456 | int inactivity_timeout; | |
457 | }; | |
458 | ||
459 | /** | |
460 | * enum plink_action - actions to perform in mesh peers | |
461 | * | |
462 | * @PLINK_ACTION_INVALID: action 0 is reserved | |
463 | * @PLINK_ACTION_OPEN: start mesh peer link establishment | |
464 | * @PLINK_ACTION_BLOCK: block traffic from this mesh peer | |
465 | */ | |
466 | enum plink_actions { | |
467 | PLINK_ACTION_INVALID, | |
468 | PLINK_ACTION_OPEN, | |
469 | PLINK_ACTION_BLOCK, | |
470 | }; | |
471 | ||
472 | /** | |
473 | * enum station_parameters_apply_mask - station parameter values to apply | |
474 | * @STATION_PARAM_APPLY_UAPSD: apply new uAPSD parameters (uapsd_queues, max_sp) | |
475 | * | |
476 | * Not all station parameters have in-band "no change" signalling, | |
477 | * for those that don't these flags will are used. | |
478 | */ | |
479 | enum station_parameters_apply_mask { | |
480 | STATION_PARAM_APPLY_UAPSD = BIT(0), | |
481 | }; | |
482 | ||
483 | /** | |
484 | * struct station_parameters - station parameters | |
485 | * | |
486 | * Used to change and create a new station. | |
487 | * | |
488 | * @vlan: vlan interface station should belong to | |
489 | * @supported_rates: supported rates in IEEE 802.11 format | |
490 | * (or NULL for no change) | |
491 | * @supported_rates_len: number of supported rates | |
492 | * @sta_flags_mask: station flags that changed | |
493 | * (bitmask of BIT(NL80211_STA_FLAG_...)) | |
494 | * @sta_flags_set: station flags values | |
495 | * (bitmask of BIT(NL80211_STA_FLAG_...)) | |
496 | * @listen_interval: listen interval or -1 for no change | |
497 | * @aid: AID or zero for no change | |
498 | * @plink_action: plink action to take | |
499 | * @plink_state: set the peer link state for a station | |
500 | * @ht_capa: HT capabilities of station | |
501 | * @vht_capa: VHT capabilities of station | |
502 | * @uapsd_queues: bitmap of queues configured for uapsd. same format | |
503 | * as the AC bitmap in the QoS info field | |
504 | * @max_sp: max Service Period. same format as the MAX_SP in the | |
505 | * QoS info field (but already shifted down) | |
506 | * @sta_modify_mask: bitmap indicating which parameters changed | |
507 | * (for those that don't have a natural "no change" value), | |
508 | * see &enum station_parameters_apply_mask | |
509 | */ | |
510 | struct station_parameters { | |
511 | u8 *supported_rates; | |
512 | struct net_device *vlan; | |
513 | u32 sta_flags_mask, sta_flags_set; | |
514 | u32 sta_modify_mask; | |
515 | int listen_interval; | |
516 | u16 aid; | |
517 | u8 supported_rates_len; | |
518 | u8 plink_action; | |
519 | u8 plink_state; | |
520 | struct ieee80211_ht_cap *ht_capa; | |
521 | struct ieee80211_vht_cap *vht_capa; | |
522 | u8 uapsd_queues; | |
523 | u8 max_sp; | |
524 | }; | |
525 | ||
526 | /** | |
527 | * enum station_info_flags - station information flags | |
528 | * | |
529 | * Used by the driver to indicate which info in &struct station_info | |
530 | * it has filled in during get_station() or dump_station(). | |
531 | * | |
532 | * @STATION_INFO_INACTIVE_TIME: @inactive_time filled | |
533 | * @STATION_INFO_RX_BYTES: @rx_bytes filled | |
534 | * @STATION_INFO_TX_BYTES: @tx_bytes filled | |
535 | * @STATION_INFO_LLID: @llid filled | |
536 | * @STATION_INFO_PLID: @plid filled | |
537 | * @STATION_INFO_PLINK_STATE: @plink_state filled | |
538 | * @STATION_INFO_SIGNAL: @signal filled | |
539 | * @STATION_INFO_TX_BITRATE: @txrate fields are filled | |
540 | * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs) | |
541 | * @STATION_INFO_RX_PACKETS: @rx_packets filled | |
542 | * @STATION_INFO_TX_PACKETS: @tx_packets filled | |
543 | * @STATION_INFO_TX_RETRIES: @tx_retries filled | |
544 | * @STATION_INFO_TX_FAILED: @tx_failed filled | |
545 | * @STATION_INFO_RX_DROP_MISC: @rx_dropped_misc filled | |
546 | * @STATION_INFO_SIGNAL_AVG: @signal_avg filled | |
547 | * @STATION_INFO_RX_BITRATE: @rxrate fields are filled | |
548 | * @STATION_INFO_BSS_PARAM: @bss_param filled | |
549 | * @STATION_INFO_CONNECTED_TIME: @connected_time filled | |
550 | * @STATION_INFO_ASSOC_REQ_IES: @assoc_req_ies filled | |
551 | * @STATION_INFO_STA_FLAGS: @sta_flags filled | |
552 | * @STATION_INFO_BEACON_LOSS_COUNT: @beacon_loss_count filled | |
553 | * @STATION_INFO_T_OFFSET: @t_offset filled | |
554 | */ | |
555 | enum station_info_flags { | |
556 | STATION_INFO_INACTIVE_TIME = 1<<0, | |
557 | STATION_INFO_RX_BYTES = 1<<1, | |
558 | STATION_INFO_TX_BYTES = 1<<2, | |
559 | STATION_INFO_LLID = 1<<3, | |
560 | STATION_INFO_PLID = 1<<4, | |
561 | STATION_INFO_PLINK_STATE = 1<<5, | |
562 | STATION_INFO_SIGNAL = 1<<6, | |
563 | STATION_INFO_TX_BITRATE = 1<<7, | |
564 | STATION_INFO_RX_PACKETS = 1<<8, | |
565 | STATION_INFO_TX_PACKETS = 1<<9, | |
566 | STATION_INFO_TX_RETRIES = 1<<10, | |
567 | STATION_INFO_TX_FAILED = 1<<11, | |
568 | STATION_INFO_RX_DROP_MISC = 1<<12, | |
569 | STATION_INFO_SIGNAL_AVG = 1<<13, | |
570 | STATION_INFO_RX_BITRATE = 1<<14, | |
571 | STATION_INFO_BSS_PARAM = 1<<15, | |
572 | STATION_INFO_CONNECTED_TIME = 1<<16, | |
573 | STATION_INFO_ASSOC_REQ_IES = 1<<17, | |
574 | STATION_INFO_STA_FLAGS = 1<<18, | |
575 | STATION_INFO_BEACON_LOSS_COUNT = 1<<19, | |
576 | STATION_INFO_T_OFFSET = 1<<20, | |
577 | }; | |
578 | ||
579 | /** | |
580 | * enum station_info_rate_flags - bitrate info flags | |
581 | * | |
582 | * Used by the driver to indicate the specific rate transmission | |
583 | * type for 802.11n transmissions. | |
584 | * | |
585 | * @RATE_INFO_FLAGS_MCS: @tx_bitrate_mcs filled | |
586 | * @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 Mhz width transmission | |
587 | * @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval | |
588 | * @RATE_INFO_FLAGS_60G: 60gHz MCS | |
589 | */ | |
590 | enum rate_info_flags { | |
591 | RATE_INFO_FLAGS_MCS = 1<<0, | |
592 | RATE_INFO_FLAGS_40_MHZ_WIDTH = 1<<1, | |
593 | RATE_INFO_FLAGS_SHORT_GI = 1<<2, | |
594 | RATE_INFO_FLAGS_60G = 1<<3, | |
595 | }; | |
596 | ||
597 | /** | |
598 | * struct rate_info - bitrate information | |
599 | * | |
600 | * Information about a receiving or transmitting bitrate | |
601 | * | |
602 | * @flags: bitflag of flags from &enum rate_info_flags | |
603 | * @mcs: mcs index if struct describes a 802.11n bitrate | |
604 | * @legacy: bitrate in 100kbit/s for 802.11abg | |
605 | */ | |
606 | struct rate_info { | |
607 | u8 flags; | |
608 | u8 mcs; | |
609 | u16 legacy; | |
610 | }; | |
611 | ||
612 | /** | |
613 | * enum station_info_rate_flags - bitrate info flags | |
614 | * | |
615 | * Used by the driver to indicate the specific rate transmission | |
616 | * type for 802.11n transmissions. | |
617 | * | |
618 | * @BSS_PARAM_FLAGS_CTS_PROT: whether CTS protection is enabled | |
619 | * @BSS_PARAM_FLAGS_SHORT_PREAMBLE: whether short preamble is enabled | |
620 | * @BSS_PARAM_FLAGS_SHORT_SLOT_TIME: whether short slot time is enabled | |
621 | */ | |
622 | enum bss_param_flags { | |
623 | BSS_PARAM_FLAGS_CTS_PROT = 1<<0, | |
624 | BSS_PARAM_FLAGS_SHORT_PREAMBLE = 1<<1, | |
625 | BSS_PARAM_FLAGS_SHORT_SLOT_TIME = 1<<2, | |
626 | }; | |
627 | ||
628 | /** | |
629 | * struct sta_bss_parameters - BSS parameters for the attached station | |
630 | * | |
631 | * Information about the currently associated BSS | |
632 | * | |
633 | * @flags: bitflag of flags from &enum bss_param_flags | |
634 | * @dtim_period: DTIM period for the BSS | |
635 | * @beacon_interval: beacon interval | |
636 | */ | |
637 | struct sta_bss_parameters { | |
638 | u8 flags; | |
639 | u8 dtim_period; | |
640 | u16 beacon_interval; | |
641 | }; | |
642 | ||
643 | /** | |
644 | * struct station_info - station information | |
645 | * | |
646 | * Station information filled by driver for get_station() and dump_station. | |
647 | * | |
648 | * @filled: bitflag of flags from &enum station_info_flags | |
649 | * @connected_time: time(in secs) since a station is last connected | |
650 | * @inactive_time: time since last station activity (tx/rx) in milliseconds | |
651 | * @rx_bytes: bytes received from this station | |
652 | * @tx_bytes: bytes transmitted to this station | |
653 | * @llid: mesh local link id | |
654 | * @plid: mesh peer link id | |
655 | * @plink_state: mesh peer link state | |
656 | * @signal: The signal strength, type depends on the wiphy's signal_type. | |
657 | * For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_. | |
658 | * @signal_avg: Average signal strength, type depends on the wiphy's signal_type. | |
659 | * For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_. | |
660 | * @txrate: current unicast bitrate from this station | |
661 | * @rxrate: current unicast bitrate to this station | |
662 | * @rx_packets: packets received from this station | |
663 | * @tx_packets: packets transmitted to this station | |
664 | * @tx_retries: cumulative retry counts | |
665 | * @tx_failed: number of failed transmissions (retries exceeded, no ACK) | |
666 | * @rx_dropped_misc: Dropped for un-specified reason. | |
667 | * @bss_param: current BSS parameters | |
668 | * @generation: generation number for nl80211 dumps. | |
669 | * This number should increase every time the list of stations | |
670 | * changes, i.e. when a station is added or removed, so that | |
671 | * userspace can tell whether it got a consistent snapshot. | |
672 | * @assoc_req_ies: IEs from (Re)Association Request. | |
673 | * This is used only when in AP mode with drivers that do not use | |
674 | * user space MLME/SME implementation. The information is provided for | |
675 | * the cfg80211_new_sta() calls to notify user space of the IEs. | |
676 | * @assoc_req_ies_len: Length of assoc_req_ies buffer in octets. | |
677 | * @sta_flags: station flags mask & values | |
678 | * @beacon_loss_count: Number of times beacon loss event has triggered. | |
679 | * @t_offset: Time offset of the station relative to this host. | |
680 | */ | |
681 | struct station_info { | |
682 | u32 filled; | |
683 | u32 connected_time; | |
684 | u32 inactive_time; | |
685 | u32 rx_bytes; | |
686 | u32 tx_bytes; | |
687 | u16 llid; | |
688 | u16 plid; | |
689 | u8 plink_state; | |
690 | s8 signal; | |
691 | s8 signal_avg; | |
692 | struct rate_info txrate; | |
693 | struct rate_info rxrate; | |
694 | u32 rx_packets; | |
695 | u32 tx_packets; | |
696 | u32 tx_retries; | |
697 | u32 tx_failed; | |
698 | u32 rx_dropped_misc; | |
699 | struct sta_bss_parameters bss_param; | |
700 | struct nl80211_sta_flag_update sta_flags; | |
701 | ||
702 | int generation; | |
703 | ||
704 | const u8 *assoc_req_ies; | |
705 | size_t assoc_req_ies_len; | |
706 | ||
707 | u32 beacon_loss_count; | |
708 | s64 t_offset; | |
709 | ||
710 | /* | |
711 | * Note: Add a new enum station_info_flags value for each new field and | |
712 | * use it to check which fields are initialized. | |
713 | */ | |
714 | }; | |
715 | ||
716 | /** | |
717 | * enum monitor_flags - monitor flags | |
718 | * | |
719 | * Monitor interface configuration flags. Note that these must be the bits | |
720 | * according to the nl80211 flags. | |
721 | * | |
722 | * @MONITOR_FLAG_FCSFAIL: pass frames with bad FCS | |
723 | * @MONITOR_FLAG_PLCPFAIL: pass frames with bad PLCP | |
724 | * @MONITOR_FLAG_CONTROL: pass control frames | |
725 | * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering | |
726 | * @MONITOR_FLAG_COOK_FRAMES: report frames after processing | |
727 | */ | |
728 | enum monitor_flags { | |
729 | MONITOR_FLAG_FCSFAIL = 1<<NL80211_MNTR_FLAG_FCSFAIL, | |
730 | MONITOR_FLAG_PLCPFAIL = 1<<NL80211_MNTR_FLAG_PLCPFAIL, | |
731 | MONITOR_FLAG_CONTROL = 1<<NL80211_MNTR_FLAG_CONTROL, | |
732 | MONITOR_FLAG_OTHER_BSS = 1<<NL80211_MNTR_FLAG_OTHER_BSS, | |
733 | MONITOR_FLAG_COOK_FRAMES = 1<<NL80211_MNTR_FLAG_COOK_FRAMES, | |
734 | }; | |
735 | ||
736 | /** | |
737 | * enum mpath_info_flags - mesh path information flags | |
738 | * | |
739 | * Used by the driver to indicate which info in &struct mpath_info it has filled | |
740 | * in during get_station() or dump_station(). | |
741 | * | |
742 | * @MPATH_INFO_FRAME_QLEN: @frame_qlen filled | |
743 | * @MPATH_INFO_SN: @sn filled | |
744 | * @MPATH_INFO_METRIC: @metric filled | |
745 | * @MPATH_INFO_EXPTIME: @exptime filled | |
746 | * @MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled | |
747 | * @MPATH_INFO_DISCOVERY_RETRIES: @discovery_retries filled | |
748 | * @MPATH_INFO_FLAGS: @flags filled | |
749 | */ | |
750 | enum mpath_info_flags { | |
751 | MPATH_INFO_FRAME_QLEN = BIT(0), | |
752 | MPATH_INFO_SN = BIT(1), | |
753 | MPATH_INFO_METRIC = BIT(2), | |
754 | MPATH_INFO_EXPTIME = BIT(3), | |
755 | MPATH_INFO_DISCOVERY_TIMEOUT = BIT(4), | |
756 | MPATH_INFO_DISCOVERY_RETRIES = BIT(5), | |
757 | MPATH_INFO_FLAGS = BIT(6), | |
758 | }; | |
759 | ||
760 | /** | |
761 | * struct mpath_info - mesh path information | |
762 | * | |
763 | * Mesh path information filled by driver for get_mpath() and dump_mpath(). | |
764 | * | |
765 | * @filled: bitfield of flags from &enum mpath_info_flags | |
766 | * @frame_qlen: number of queued frames for this destination | |
767 | * @sn: target sequence number | |
768 | * @metric: metric (cost) of this mesh path | |
769 | * @exptime: expiration time for the mesh path from now, in msecs | |
770 | * @flags: mesh path flags | |
771 | * @discovery_timeout: total mesh path discovery timeout, in msecs | |
772 | * @discovery_retries: mesh path discovery retries | |
773 | * @generation: generation number for nl80211 dumps. | |
774 | * This number should increase every time the list of mesh paths | |
775 | * changes, i.e. when a station is added or removed, so that | |
776 | * userspace can tell whether it got a consistent snapshot. | |
777 | */ | |
778 | struct mpath_info { | |
779 | u32 filled; | |
780 | u32 frame_qlen; | |
781 | u32 sn; | |
782 | u32 metric; | |
783 | u32 exptime; | |
784 | u32 discovery_timeout; | |
785 | u8 discovery_retries; | |
786 | u8 flags; | |
787 | ||
788 | int generation; | |
789 | }; | |
790 | ||
791 | /** | |
792 | * struct bss_parameters - BSS parameters | |
793 | * | |
794 | * Used to change BSS parameters (mainly for AP mode). | |
795 | * | |
796 | * @use_cts_prot: Whether to use CTS protection | |
797 | * (0 = no, 1 = yes, -1 = do not change) | |
798 | * @use_short_preamble: Whether the use of short preambles is allowed | |
799 | * (0 = no, 1 = yes, -1 = do not change) | |
800 | * @use_short_slot_time: Whether the use of short slot time is allowed | |
801 | * (0 = no, 1 = yes, -1 = do not change) | |
802 | * @basic_rates: basic rates in IEEE 802.11 format | |
803 | * (or NULL for no change) | |
804 | * @basic_rates_len: number of basic rates | |
805 | * @ap_isolate: do not forward packets between connected stations | |
806 | * @ht_opmode: HT Operation mode | |
807 | * (u16 = opmode, -1 = do not change) | |
808 | */ | |
809 | struct bss_parameters { | |
810 | int use_cts_prot; | |
811 | int use_short_preamble; | |
812 | int use_short_slot_time; | |
813 | u8 *basic_rates; | |
814 | u8 basic_rates_len; | |
815 | int ap_isolate; | |
816 | int ht_opmode; | |
817 | }; | |
818 | ||
819 | /** | |
820 | * struct mesh_config - 802.11s mesh configuration | |
821 | * | |
822 | * These parameters can be changed while the mesh is active. | |
823 | * | |
824 | * @dot11MeshRetryTimeout: the initial retry timeout in millisecond units used | |
825 | * by the Mesh Peering Open message | |
826 | * @dot11MeshConfirmTimeout: the initial retry timeout in millisecond units | |
827 | * used by the Mesh Peering Open message | |
828 | * @dot11MeshHoldingTimeout: the confirm timeout in millisecond units used by | |
829 | * the mesh peering management to close a mesh peering | |
830 | * @dot11MeshMaxPeerLinks: the maximum number of peer links allowed on this | |
831 | * mesh interface | |
832 | * @dot11MeshMaxRetries: the maximum number of peer link open retries that can | |
833 | * be sent to establish a new peer link instance in a mesh | |
834 | * @dot11MeshTTL: the value of TTL field set at a source mesh STA | |
835 | * @element_ttl: the value of TTL field set at a mesh STA for path selection | |
836 | * elements | |
837 | * @auto_open_plinks: whether we should automatically open peer links when we | |
838 | * detect compatible mesh peers | |
839 | * @dot11MeshNbrOffsetMaxNeighbor: the maximum number of neighbors to | |
840 | * synchronize to for 11s default synchronization method | |
841 | * @dot11MeshHWMPmaxPREQretries: the number of action frames containing a PREQ | |
842 | * that an originator mesh STA can send to a particular path target | |
843 | * @path_refresh_time: how frequently to refresh mesh paths in milliseconds | |
844 | * @min_discovery_timeout: the minimum length of time to wait until giving up on | |
845 | * a path discovery in milliseconds | |
846 | * @dot11MeshHWMPactivePathTimeout: the time (in TUs) for which mesh STAs | |
847 | * receiving a PREQ shall consider the forwarding information from the | |
848 | * root to be valid. (TU = time unit) | |
849 | * @dot11MeshHWMPpreqMinInterval: the minimum interval of time (in TUs) during | |
850 | * which a mesh STA can send only one action frame containing a PREQ | |
851 | * element | |
852 | * @dot11MeshHWMPperrMinInterval: the minimum interval of time (in TUs) during | |
853 | * which a mesh STA can send only one Action frame containing a PERR | |
854 | * element | |
855 | * @dot11MeshHWMPnetDiameterTraversalTime: the interval of time (in TUs) that | |
856 | * it takes for an HWMP information element to propagate across the mesh | |
857 | * @dot11MeshHWMPRootMode: the configuration of a mesh STA as root mesh STA | |
858 | * @dot11MeshHWMPRannInterval: the interval of time (in TUs) between root | |
859 | * announcements are transmitted | |
860 | * @dot11MeshGateAnnouncementProtocol: whether to advertise that this mesh | |
861 | * station has access to a broader network beyond the MBSS. (This is | |
862 | * missnamed in draft 12.0: dot11MeshGateAnnouncementProtocol set to true | |
863 | * only means that the station will announce others it's a mesh gate, but | |
864 | * not necessarily using the gate announcement protocol. Still keeping the | |
865 | * same nomenclature to be in sync with the spec) | |
866 | * @dot11MeshForwarding: whether the Mesh STA is forwarding or non-forwarding | |
867 | * entity (default is TRUE - forwarding entity) | |
868 | * @rssi_threshold: the threshold for average signal strength of candidate | |
869 | * station to establish a peer link | |
870 | * @ht_opmode: mesh HT protection mode | |
871 | * | |
872 | * @dot11MeshHWMPactivePathToRootTimeout: The time (in TUs) for which mesh STAs | |
873 | * receiving a proactive PREQ shall consider the forwarding information to | |
874 | * the root mesh STA to be valid. | |
875 | * | |
876 | * @dot11MeshHWMProotInterval: The interval of time (in TUs) between proactive | |
877 | * PREQs are transmitted. | |
878 | * @dot11MeshHWMPconfirmationInterval: The minimum interval of time (in TUs) | |
879 | * during which a mesh STA can send only one Action frame containing | |
880 | * a PREQ element for root path confirmation. | |
881 | */ | |
882 | struct mesh_config { | |
883 | u16 dot11MeshRetryTimeout; | |
884 | u16 dot11MeshConfirmTimeout; | |
885 | u16 dot11MeshHoldingTimeout; | |
886 | u16 dot11MeshMaxPeerLinks; | |
887 | u8 dot11MeshMaxRetries; | |
888 | u8 dot11MeshTTL; | |
889 | u8 element_ttl; | |
890 | bool auto_open_plinks; | |
891 | u32 dot11MeshNbrOffsetMaxNeighbor; | |
892 | u8 dot11MeshHWMPmaxPREQretries; | |
893 | u32 path_refresh_time; | |
894 | u16 min_discovery_timeout; | |
895 | u32 dot11MeshHWMPactivePathTimeout; | |
896 | u16 dot11MeshHWMPpreqMinInterval; | |
897 | u16 dot11MeshHWMPperrMinInterval; | |
898 | u16 dot11MeshHWMPnetDiameterTraversalTime; | |
899 | u8 dot11MeshHWMPRootMode; | |
900 | u16 dot11MeshHWMPRannInterval; | |
901 | bool dot11MeshGateAnnouncementProtocol; | |
902 | bool dot11MeshForwarding; | |
903 | s32 rssi_threshold; | |
904 | u16 ht_opmode; | |
905 | u32 dot11MeshHWMPactivePathToRootTimeout; | |
906 | u16 dot11MeshHWMProotInterval; | |
907 | u16 dot11MeshHWMPconfirmationInterval; | |
908 | }; | |
909 | ||
910 | /** | |
911 | * struct mesh_setup - 802.11s mesh setup configuration | |
912 | * @channel: the channel to start the mesh network on | |
913 | * @channel_type: the channel type to use | |
914 | * @mesh_id: the mesh ID | |
915 | * @mesh_id_len: length of the mesh ID, at least 1 and at most 32 bytes | |
916 | * @sync_method: which synchronization method to use | |
917 | * @path_sel_proto: which path selection protocol to use | |
918 | * @path_metric: which metric to use | |
919 | * @ie: vendor information elements (optional) | |
920 | * @ie_len: length of vendor information elements | |
921 | * @is_authenticated: this mesh requires authentication | |
922 | * @is_secure: this mesh uses security | |
923 | * @mcast_rate: multicat rate for Mesh Node [6Mbps is the default for 802.11a] | |
924 | * | |
925 | * These parameters are fixed when the mesh is created. | |
926 | */ | |
927 | struct mesh_setup { | |
928 | struct ieee80211_channel *channel; | |
929 | enum nl80211_channel_type channel_type; | |
930 | const u8 *mesh_id; | |
931 | u8 mesh_id_len; | |
932 | u8 sync_method; | |
933 | u8 path_sel_proto; | |
934 | u8 path_metric; | |
935 | const u8 *ie; | |
936 | u8 ie_len; | |
937 | bool is_authenticated; | |
938 | bool is_secure; | |
939 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
940 | }; | |
941 | ||
942 | /** | |
943 | * struct ieee80211_txq_params - TX queue parameters | |
944 | * @ac: AC identifier | |
945 | * @txop: Maximum burst time in units of 32 usecs, 0 meaning disabled | |
946 | * @cwmin: Minimum contention window [a value of the form 2^n-1 in the range | |
947 | * 1..32767] | |
948 | * @cwmax: Maximum contention window [a value of the form 2^n-1 in the range | |
949 | * 1..32767] | |
950 | * @aifs: Arbitration interframe space [0..255] | |
951 | */ | |
952 | struct ieee80211_txq_params { | |
953 | enum nl80211_ac ac; | |
954 | u16 txop; | |
955 | u16 cwmin; | |
956 | u16 cwmax; | |
957 | u8 aifs; | |
958 | }; | |
959 | ||
960 | /* from net/wireless.h */ | |
961 | struct wiphy; | |
962 | ||
963 | /** | |
964 | * DOC: Scanning and BSS list handling | |
965 | * | |
966 | * The scanning process itself is fairly simple, but cfg80211 offers quite | |
967 | * a bit of helper functionality. To start a scan, the scan operation will | |
968 | * be invoked with a scan definition. This scan definition contains the | |
969 | * channels to scan, and the SSIDs to send probe requests for (including the | |
970 | * wildcard, if desired). A passive scan is indicated by having no SSIDs to | |
971 | * probe. Additionally, a scan request may contain extra information elements | |
972 | * that should be added to the probe request. The IEs are guaranteed to be | |
973 | * well-formed, and will not exceed the maximum length the driver advertised | |
974 | * in the wiphy structure. | |
975 | * | |
976 | * When scanning finds a BSS, cfg80211 needs to be notified of that, because | |
977 | * it is responsible for maintaining the BSS list; the driver should not | |
978 | * maintain a list itself. For this notification, various functions exist. | |
979 | * | |
980 | * Since drivers do not maintain a BSS list, there are also a number of | |
981 | * functions to search for a BSS and obtain information about it from the | |
982 | * BSS structure cfg80211 maintains. The BSS list is also made available | |
983 | * to userspace. | |
984 | */ | |
985 | ||
986 | /** | |
987 | * struct cfg80211_ssid - SSID description | |
988 | * @ssid: the SSID | |
989 | * @ssid_len: length of the ssid | |
990 | */ | |
991 | struct cfg80211_ssid { | |
992 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
993 | u8 ssid_len; | |
994 | }; | |
995 | ||
996 | /** | |
997 | * struct cfg80211_scan_request - scan request description | |
998 | * | |
999 | * @ssids: SSIDs to scan for (active scan only) | |
1000 | * @n_ssids: number of SSIDs | |
1001 | * @channels: channels to scan on. | |
1002 | * @n_channels: total number of channels to scan | |
1003 | * @ie: optional information element(s) to add into Probe Request or %NULL | |
1004 | * @ie_len: length of ie in octets | |
1005 | * @flags: bit field of flags controlling operation | |
1006 | * @rates: bitmap of rates to advertise for each band | |
1007 | * @wiphy: the wiphy this was for | |
1008 | * @wdev: the wireless device to scan for | |
1009 | * @aborted: (internal) scan request was notified as aborted | |
1010 | * @no_cck: used to send probe requests at non CCK rate in 2GHz band | |
1011 | */ | |
1012 | struct cfg80211_scan_request { | |
1013 | struct cfg80211_ssid *ssids; | |
1014 | int n_ssids; | |
1015 | u32 n_channels; | |
1016 | const u8 *ie; | |
1017 | size_t ie_len; | |
1018 | u32 flags; | |
1019 | ||
1020 | u32 rates[IEEE80211_NUM_BANDS]; | |
1021 | ||
1022 | struct wireless_dev *wdev; | |
1023 | ||
1024 | /* internal */ | |
1025 | struct wiphy *wiphy; | |
1026 | bool aborted; | |
1027 | bool no_cck; | |
1028 | ||
1029 | /* keep last */ | |
1030 | struct ieee80211_channel *channels[0]; | |
1031 | }; | |
1032 | ||
1033 | /** | |
1034 | * struct cfg80211_match_set - sets of attributes to match | |
1035 | * | |
1036 | * @ssid: SSID to be matched | |
1037 | */ | |
1038 | struct cfg80211_match_set { | |
1039 | struct cfg80211_ssid ssid; | |
1040 | }; | |
1041 | ||
1042 | /** | |
1043 | * struct cfg80211_sched_scan_request - scheduled scan request description | |
1044 | * | |
1045 | * @ssids: SSIDs to scan for (passed in the probe_reqs in active scans) | |
1046 | * @n_ssids: number of SSIDs | |
1047 | * @n_channels: total number of channels to scan | |
1048 | * @interval: interval between each scheduled scan cycle | |
1049 | * @ie: optional information element(s) to add into Probe Request or %NULL | |
1050 | * @ie_len: length of ie in octets | |
1051 | * @flags: bit field of flags controlling operation | |
1052 | * @match_sets: sets of parameters to be matched for a scan result | |
1053 | * entry to be considered valid and to be passed to the host | |
1054 | * (others are filtered out). | |
1055 | * If ommited, all results are passed. | |
1056 | * @n_match_sets: number of match sets | |
1057 | * @wiphy: the wiphy this was for | |
1058 | * @dev: the interface | |
1059 | * @channels: channels to scan | |
1060 | * @rssi_thold: don't report scan results below this threshold (in s32 dBm) | |
1061 | */ | |
1062 | struct cfg80211_sched_scan_request { | |
1063 | struct cfg80211_ssid *ssids; | |
1064 | int n_ssids; | |
1065 | u32 n_channels; | |
1066 | u32 interval; | |
1067 | const u8 *ie; | |
1068 | size_t ie_len; | |
1069 | u32 flags; | |
1070 | struct cfg80211_match_set *match_sets; | |
1071 | int n_match_sets; | |
1072 | s32 rssi_thold; | |
1073 | ||
1074 | /* internal */ | |
1075 | struct wiphy *wiphy; | |
1076 | struct net_device *dev; | |
1077 | ||
1078 | /* keep last */ | |
1079 | struct ieee80211_channel *channels[0]; | |
1080 | }; | |
1081 | ||
1082 | /** | |
1083 | * enum cfg80211_signal_type - signal type | |
1084 | * | |
1085 | * @CFG80211_SIGNAL_TYPE_NONE: no signal strength information available | |
1086 | * @CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm) | |
1087 | * @CFG80211_SIGNAL_TYPE_UNSPEC: signal strength, increasing from 0 through 100 | |
1088 | */ | |
1089 | enum cfg80211_signal_type { | |
1090 | CFG80211_SIGNAL_TYPE_NONE, | |
1091 | CFG80211_SIGNAL_TYPE_MBM, | |
1092 | CFG80211_SIGNAL_TYPE_UNSPEC, | |
1093 | }; | |
1094 | ||
1095 | /** | |
1096 | * struct cfg80211_bss - BSS description | |
1097 | * | |
1098 | * This structure describes a BSS (which may also be a mesh network) | |
1099 | * for use in scan results and similar. | |
1100 | * | |
1101 | * @channel: channel this BSS is on | |
1102 | * @bssid: BSSID of the BSS | |
1103 | * @tsf: timestamp of last received update | |
1104 | * @beacon_interval: the beacon interval as from the frame | |
1105 | * @capability: the capability field in host byte order | |
1106 | * @information_elements: the information elements (Note that there | |
1107 | * is no guarantee that these are well-formed!); this is a pointer to | |
1108 | * either the beacon_ies or proberesp_ies depending on whether Probe | |
1109 | * Response frame has been received | |
1110 | * @len_information_elements: total length of the information elements | |
1111 | * @beacon_ies: the information elements from the last Beacon frame | |
1112 | * @len_beacon_ies: total length of the beacon_ies | |
1113 | * @proberesp_ies: the information elements from the last Probe Response frame | |
1114 | * @len_proberesp_ies: total length of the proberesp_ies | |
1115 | * @signal: signal strength value (type depends on the wiphy's signal_type) | |
1116 | * @free_priv: function pointer to free private data | |
1117 | * @priv: private area for driver use, has at least wiphy->bss_priv_size bytes | |
1118 | */ | |
1119 | struct cfg80211_bss { | |
1120 | struct ieee80211_channel *channel; | |
1121 | ||
1122 | u8 bssid[ETH_ALEN]; | |
1123 | u64 tsf; | |
1124 | u16 beacon_interval; | |
1125 | u16 capability; | |
1126 | u8 *information_elements; | |
1127 | size_t len_information_elements; | |
1128 | u8 *beacon_ies; | |
1129 | size_t len_beacon_ies; | |
1130 | u8 *proberesp_ies; | |
1131 | size_t len_proberesp_ies; | |
1132 | ||
1133 | s32 signal; | |
1134 | ||
1135 | void (*free_priv)(struct cfg80211_bss *bss); | |
1136 | u8 priv[0] __attribute__((__aligned__(sizeof(void *)))); | |
1137 | }; | |
1138 | ||
1139 | /** | |
1140 | * ieee80211_bss_get_ie - find IE with given ID | |
1141 | * @bss: the bss to search | |
1142 | * @ie: the IE ID | |
1143 | * Returns %NULL if not found. | |
1144 | */ | |
1145 | const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie); | |
1146 | ||
1147 | ||
1148 | /** | |
1149 | * struct cfg80211_auth_request - Authentication request data | |
1150 | * | |
1151 | * This structure provides information needed to complete IEEE 802.11 | |
1152 | * authentication. | |
1153 | * | |
1154 | * @bss: The BSS to authenticate with. | |
1155 | * @auth_type: Authentication type (algorithm) | |
1156 | * @ie: Extra IEs to add to Authentication frame or %NULL | |
1157 | * @ie_len: Length of ie buffer in octets | |
1158 | * @key_len: length of WEP key for shared key authentication | |
1159 | * @key_idx: index of WEP key for shared key authentication | |
1160 | * @key: WEP key for shared key authentication | |
1161 | * @sae_data: Non-IE data to use with SAE or %NULL. This starts with | |
1162 | * Authentication transaction sequence number field. | |
1163 | * @sae_data_len: Length of sae_data buffer in octets | |
1164 | */ | |
1165 | struct cfg80211_auth_request { | |
1166 | struct cfg80211_bss *bss; | |
1167 | const u8 *ie; | |
1168 | size_t ie_len; | |
1169 | enum nl80211_auth_type auth_type; | |
1170 | const u8 *key; | |
1171 | u8 key_len, key_idx; | |
1172 | const u8 *sae_data; | |
1173 | size_t sae_data_len; | |
1174 | }; | |
1175 | ||
1176 | /** | |
1177 | * enum cfg80211_assoc_req_flags - Over-ride default behaviour in association. | |
1178 | * | |
1179 | * @ASSOC_REQ_DISABLE_HT: Disable HT (802.11n) | |
1180 | */ | |
1181 | enum cfg80211_assoc_req_flags { | |
1182 | ASSOC_REQ_DISABLE_HT = BIT(0), | |
1183 | }; | |
1184 | ||
1185 | /** | |
1186 | * struct cfg80211_assoc_request - (Re)Association request data | |
1187 | * | |
1188 | * This structure provides information needed to complete IEEE 802.11 | |
1189 | * (re)association. | |
1190 | * @bss: The BSS to associate with. If the call is successful the driver | |
1191 | * is given a reference that it must release, normally via a call to | |
1192 | * cfg80211_send_rx_assoc(), or, if association timed out, with a | |
1193 | * call to cfg80211_put_bss() (in addition to calling | |
1194 | * cfg80211_send_assoc_timeout()) | |
1195 | * @ie: Extra IEs to add to (Re)Association Request frame or %NULL | |
1196 | * @ie_len: Length of ie buffer in octets | |
1197 | * @use_mfp: Use management frame protection (IEEE 802.11w) in this association | |
1198 | * @crypto: crypto settings | |
1199 | * @prev_bssid: previous BSSID, if not %NULL use reassociate frame | |
1200 | * @flags: See &enum cfg80211_assoc_req_flags | |
1201 | * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask | |
1202 | * will be used in ht_capa. Un-supported values will be ignored. | |
1203 | * @ht_capa_mask: The bits of ht_capa which are to be used. | |
1204 | */ | |
1205 | struct cfg80211_assoc_request { | |
1206 | struct cfg80211_bss *bss; | |
1207 | const u8 *ie, *prev_bssid; | |
1208 | size_t ie_len; | |
1209 | struct cfg80211_crypto_settings crypto; | |
1210 | bool use_mfp; | |
1211 | u32 flags; | |
1212 | struct ieee80211_ht_cap ht_capa; | |
1213 | struct ieee80211_ht_cap ht_capa_mask; | |
1214 | }; | |
1215 | ||
1216 | /** | |
1217 | * struct cfg80211_deauth_request - Deauthentication request data | |
1218 | * | |
1219 | * This structure provides information needed to complete IEEE 802.11 | |
1220 | * deauthentication. | |
1221 | * | |
1222 | * @bssid: the BSSID of the BSS to deauthenticate from | |
1223 | * @ie: Extra IEs to add to Deauthentication frame or %NULL | |
1224 | * @ie_len: Length of ie buffer in octets | |
1225 | * @reason_code: The reason code for the deauthentication | |
1226 | */ | |
1227 | struct cfg80211_deauth_request { | |
1228 | const u8 *bssid; | |
1229 | const u8 *ie; | |
1230 | size_t ie_len; | |
1231 | u16 reason_code; | |
1232 | }; | |
1233 | ||
1234 | /** | |
1235 | * struct cfg80211_disassoc_request - Disassociation request data | |
1236 | * | |
1237 | * This structure provides information needed to complete IEEE 802.11 | |
1238 | * disassocation. | |
1239 | * | |
1240 | * @bss: the BSS to disassociate from | |
1241 | * @ie: Extra IEs to add to Disassociation frame or %NULL | |
1242 | * @ie_len: Length of ie buffer in octets | |
1243 | * @reason_code: The reason code for the disassociation | |
1244 | * @local_state_change: This is a request for a local state only, i.e., no | |
1245 | * Disassociation frame is to be transmitted. | |
1246 | */ | |
1247 | struct cfg80211_disassoc_request { | |
1248 | struct cfg80211_bss *bss; | |
1249 | const u8 *ie; | |
1250 | size_t ie_len; | |
1251 | u16 reason_code; | |
1252 | bool local_state_change; | |
1253 | }; | |
1254 | ||
1255 | /** | |
1256 | * struct cfg80211_ibss_params - IBSS parameters | |
1257 | * | |
1258 | * This structure defines the IBSS parameters for the join_ibss() | |
1259 | * method. | |
1260 | * | |
1261 | * @ssid: The SSID, will always be non-null. | |
1262 | * @ssid_len: The length of the SSID, will always be non-zero. | |
1263 | * @bssid: Fixed BSSID requested, maybe be %NULL, if set do not | |
1264 | * search for IBSSs with a different BSSID. | |
1265 | * @channel: The channel to use if no IBSS can be found to join. | |
1266 | * @channel_type: channel type (HT mode) | |
1267 | * @channel_fixed: The channel should be fixed -- do not search for | |
1268 | * IBSSs to join on other channels. | |
1269 | * @ie: information element(s) to include in the beacon | |
1270 | * @ie_len: length of that | |
1271 | * @beacon_interval: beacon interval to use | |
1272 | * @privacy: this is a protected network, keys will be configured | |
1273 | * after joining | |
1274 | * @control_port: whether user space controls IEEE 802.1X port, i.e., | |
1275 | * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is | |
1276 | * required to assume that the port is unauthorized until authorized by | |
1277 | * user space. Otherwise, port is marked authorized by default. | |
1278 | * @basic_rates: bitmap of basic rates to use when creating the IBSS | |
1279 | * @mcast_rate: per-band multicast rate index + 1 (0: disabled) | |
1280 | */ | |
1281 | struct cfg80211_ibss_params { | |
1282 | u8 *ssid; | |
1283 | u8 *bssid; | |
1284 | struct ieee80211_channel *channel; | |
1285 | enum nl80211_channel_type channel_type; | |
1286 | u8 *ie; | |
1287 | u8 ssid_len, ie_len; | |
1288 | u16 beacon_interval; | |
1289 | u32 basic_rates; | |
1290 | bool channel_fixed; | |
1291 | bool privacy; | |
1292 | bool control_port; | |
1293 | int mcast_rate[IEEE80211_NUM_BANDS]; | |
1294 | }; | |
1295 | ||
1296 | /** | |
1297 | * struct cfg80211_connect_params - Connection parameters | |
1298 | * | |
1299 | * This structure provides information needed to complete IEEE 802.11 | |
1300 | * authentication and association. | |
1301 | * | |
1302 | * @channel: The channel to use or %NULL if not specified (auto-select based | |
1303 | * on scan results) | |
1304 | * @bssid: The AP BSSID or %NULL if not specified (auto-select based on scan | |
1305 | * results) | |
1306 | * @ssid: SSID | |
1307 | * @ssid_len: Length of ssid in octets | |
1308 | * @auth_type: Authentication type (algorithm) | |
1309 | * @ie: IEs for association request | |
1310 | * @ie_len: Length of assoc_ie in octets | |
1311 | * @privacy: indicates whether privacy-enabled APs should be used | |
1312 | * @crypto: crypto settings | |
1313 | * @key_len: length of WEP key for shared key authentication | |
1314 | * @key_idx: index of WEP key for shared key authentication | |
1315 | * @key: WEP key for shared key authentication | |
1316 | * @flags: See &enum cfg80211_assoc_req_flags | |
1317 | * @bg_scan_period: Background scan period in seconds | |
1318 | * or -1 to indicate that default value is to be used. | |
1319 | * @ht_capa: HT Capabilities over-rides. Values set in ht_capa_mask | |
1320 | * will be used in ht_capa. Un-supported values will be ignored. | |
1321 | * @ht_capa_mask: The bits of ht_capa which are to be used. | |
1322 | */ | |
1323 | struct cfg80211_connect_params { | |
1324 | struct ieee80211_channel *channel; | |
1325 | u8 *bssid; | |
1326 | u8 *ssid; | |
1327 | size_t ssid_len; | |
1328 | enum nl80211_auth_type auth_type; | |
1329 | u8 *ie; | |
1330 | size_t ie_len; | |
1331 | bool privacy; | |
1332 | struct cfg80211_crypto_settings crypto; | |
1333 | const u8 *key; | |
1334 | u8 key_len, key_idx; | |
1335 | u32 flags; | |
1336 | int bg_scan_period; | |
1337 | struct ieee80211_ht_cap ht_capa; | |
1338 | struct ieee80211_ht_cap ht_capa_mask; | |
1339 | }; | |
1340 | ||
1341 | /** | |
1342 | * enum wiphy_params_flags - set_wiphy_params bitfield values | |
1343 | * @WIPHY_PARAM_RETRY_SHORT: wiphy->retry_short has changed | |
1344 | * @WIPHY_PARAM_RETRY_LONG: wiphy->retry_long has changed | |
1345 | * @WIPHY_PARAM_FRAG_THRESHOLD: wiphy->frag_threshold has changed | |
1346 | * @WIPHY_PARAM_RTS_THRESHOLD: wiphy->rts_threshold has changed | |
1347 | * @WIPHY_PARAM_COVERAGE_CLASS: coverage class changed | |
1348 | */ | |
1349 | enum wiphy_params_flags { | |
1350 | WIPHY_PARAM_RETRY_SHORT = 1 << 0, | |
1351 | WIPHY_PARAM_RETRY_LONG = 1 << 1, | |
1352 | WIPHY_PARAM_FRAG_THRESHOLD = 1 << 2, | |
1353 | WIPHY_PARAM_RTS_THRESHOLD = 1 << 3, | |
1354 | WIPHY_PARAM_COVERAGE_CLASS = 1 << 4, | |
1355 | }; | |
1356 | ||
1357 | /* | |
1358 | * cfg80211_bitrate_mask - masks for bitrate control | |
1359 | */ | |
1360 | struct cfg80211_bitrate_mask { | |
1361 | struct { | |
1362 | u32 legacy; | |
1363 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]; | |
1364 | } control[IEEE80211_NUM_BANDS]; | |
1365 | }; | |
1366 | /** | |
1367 | * struct cfg80211_pmksa - PMK Security Association | |
1368 | * | |
1369 | * This structure is passed to the set/del_pmksa() method for PMKSA | |
1370 | * caching. | |
1371 | * | |
1372 | * @bssid: The AP's BSSID. | |
1373 | * @pmkid: The PMK material itself. | |
1374 | */ | |
1375 | struct cfg80211_pmksa { | |
1376 | u8 *bssid; | |
1377 | u8 *pmkid; | |
1378 | }; | |
1379 | ||
1380 | /** | |
1381 | * struct cfg80211_wowlan_trig_pkt_pattern - packet pattern | |
1382 | * @mask: bitmask where to match pattern and where to ignore bytes, | |
1383 | * one bit per byte, in same format as nl80211 | |
1384 | * @pattern: bytes to match where bitmask is 1 | |
1385 | * @pattern_len: length of pattern (in bytes) | |
1386 | * | |
1387 | * Internal note: @mask and @pattern are allocated in one chunk of | |
1388 | * memory, free @mask only! | |
1389 | */ | |
1390 | struct cfg80211_wowlan_trig_pkt_pattern { | |
1391 | u8 *mask, *pattern; | |
1392 | int pattern_len; | |
1393 | }; | |
1394 | ||
1395 | /** | |
1396 | * struct cfg80211_wowlan - Wake on Wireless-LAN support info | |
1397 | * | |
1398 | * This structure defines the enabled WoWLAN triggers for the device. | |
1399 | * @any: wake up on any activity -- special trigger if device continues | |
1400 | * operating as normal during suspend | |
1401 | * @disconnect: wake up if getting disconnected | |
1402 | * @magic_pkt: wake up on receiving magic packet | |
1403 | * @patterns: wake up on receiving packet matching a pattern | |
1404 | * @n_patterns: number of patterns | |
1405 | * @gtk_rekey_failure: wake up on GTK rekey failure | |
1406 | * @eap_identity_req: wake up on EAP identity request packet | |
1407 | * @four_way_handshake: wake up on 4-way handshake | |
1408 | * @rfkill_release: wake up when rfkill is released | |
1409 | */ | |
1410 | struct cfg80211_wowlan { | |
1411 | bool any, disconnect, magic_pkt, gtk_rekey_failure, | |
1412 | eap_identity_req, four_way_handshake, | |
1413 | rfkill_release; | |
1414 | struct cfg80211_wowlan_trig_pkt_pattern *patterns; | |
1415 | int n_patterns; | |
1416 | }; | |
1417 | ||
1418 | /** | |
1419 | * struct cfg80211_gtk_rekey_data - rekey data | |
1420 | * @kek: key encryption key | |
1421 | * @kck: key confirmation key | |
1422 | * @replay_ctr: replay counter | |
1423 | */ | |
1424 | struct cfg80211_gtk_rekey_data { | |
1425 | u8 kek[NL80211_KEK_LEN]; | |
1426 | u8 kck[NL80211_KCK_LEN]; | |
1427 | u8 replay_ctr[NL80211_REPLAY_CTR_LEN]; | |
1428 | }; | |
1429 | ||
1430 | /** | |
1431 | * struct cfg80211_ops - backend description for wireless configuration | |
1432 | * | |
1433 | * This struct is registered by fullmac card drivers and/or wireless stacks | |
1434 | * in order to handle configuration requests on their interfaces. | |
1435 | * | |
1436 | * All callbacks except where otherwise noted should return 0 | |
1437 | * on success or a negative error code. | |
1438 | * | |
1439 | * All operations are currently invoked under rtnl for consistency with the | |
1440 | * wireless extensions but this is subject to reevaluation as soon as this | |
1441 | * code is used more widely and we have a first user without wext. | |
1442 | * | |
1443 | * @suspend: wiphy device needs to be suspended. The variable @wow will | |
1444 | * be %NULL or contain the enabled Wake-on-Wireless triggers that are | |
1445 | * configured for the device. | |
1446 | * @resume: wiphy device needs to be resumed | |
1447 | * @set_wakeup: Called when WoWLAN is enabled/disabled, use this callback | |
1448 | * to call device_set_wakeup_enable() to enable/disable wakeup from | |
1449 | * the device. | |
1450 | * | |
1451 | * @add_virtual_intf: create a new virtual interface with the given name, | |
1452 | * must set the struct wireless_dev's iftype. Beware: You must create | |
1453 | * the new netdev in the wiphy's network namespace! Returns the struct | |
1454 | * wireless_dev, or an ERR_PTR. For P2P device wdevs, the driver must | |
1455 | * also set the address member in the wdev. | |
1456 | * | |
1457 | * @del_virtual_intf: remove the virtual interface | |
1458 | * | |
1459 | * @change_virtual_intf: change type/configuration of virtual interface, | |
1460 | * keep the struct wireless_dev's iftype updated. | |
1461 | * | |
1462 | * @add_key: add a key with the given parameters. @mac_addr will be %NULL | |
1463 | * when adding a group key. | |
1464 | * | |
1465 | * @get_key: get information about the key with the given parameters. | |
1466 | * @mac_addr will be %NULL when requesting information for a group | |
1467 | * key. All pointers given to the @callback function need not be valid | |
1468 | * after it returns. This function should return an error if it is | |
1469 | * not possible to retrieve the key, -ENOENT if it doesn't exist. | |
1470 | * | |
1471 | * @del_key: remove a key given the @mac_addr (%NULL for a group key) | |
1472 | * and @key_index, return -ENOENT if the key doesn't exist. | |
1473 | * | |
1474 | * @set_default_key: set the default key on an interface | |
1475 | * | |
1476 | * @set_default_mgmt_key: set the default management frame key on an interface | |
1477 | * | |
1478 | * @set_rekey_data: give the data necessary for GTK rekeying to the driver | |
1479 | * | |
1480 | * @start_ap: Start acting in AP mode defined by the parameters. | |
1481 | * @change_beacon: Change the beacon parameters for an access point mode | |
1482 | * interface. This should reject the call when AP mode wasn't started. | |
1483 | * @stop_ap: Stop being an AP, including stopping beaconing. | |
1484 | * | |
1485 | * @add_station: Add a new station. | |
1486 | * @del_station: Remove a station; @mac may be NULL to remove all stations. | |
1487 | * @change_station: Modify a given station. Note that flags changes are not much | |
1488 | * validated in cfg80211, in particular the auth/assoc/authorized flags | |
1489 | * might come to the driver in invalid combinations -- make sure to check | |
1490 | * them, also against the existing state! Also, supported_rates changes are | |
1491 | * not checked in station mode -- drivers need to reject (or ignore) them | |
1492 | * for anything but TDLS peers. | |
1493 | * @get_station: get station information for the station identified by @mac | |
1494 | * @dump_station: dump station callback -- resume dump at index @idx | |
1495 | * | |
1496 | * @add_mpath: add a fixed mesh path | |
1497 | * @del_mpath: delete a given mesh path | |
1498 | * @change_mpath: change a given mesh path | |
1499 | * @get_mpath: get a mesh path for the given parameters | |
1500 | * @dump_mpath: dump mesh path callback -- resume dump at index @idx | |
1501 | * @join_mesh: join the mesh network with the specified parameters | |
1502 | * @leave_mesh: leave the current mesh network | |
1503 | * | |
1504 | * @get_mesh_config: Get the current mesh configuration | |
1505 | * | |
1506 | * @update_mesh_config: Update mesh parameters on a running mesh. | |
1507 | * The mask is a bitfield which tells us which parameters to | |
1508 | * set, and which to leave alone. | |
1509 | * | |
1510 | * @change_bss: Modify parameters for a given BSS. | |
1511 | * | |
1512 | * @set_txq_params: Set TX queue parameters | |
1513 | * | |
1514 | * @libertas_set_mesh_channel: Only for backward compatibility for libertas, | |
1515 | * as it doesn't implement join_mesh and needs to set the channel to | |
1516 | * join the mesh instead. | |
1517 | * | |
1518 | * @set_monitor_channel: Set the monitor mode channel for the device. If other | |
1519 | * interfaces are active this callback should reject the configuration. | |
1520 | * If no interfaces are active or the device is down, the channel should | |
1521 | * be stored for when a monitor interface becomes active. | |
1522 | * | |
1523 | * @scan: Request to do a scan. If returning zero, the scan request is given | |
1524 | * the driver, and will be valid until passed to cfg80211_scan_done(). | |
1525 | * For scan results, call cfg80211_inform_bss(); you can call this outside | |
1526 | * the scan/scan_done bracket too. | |
1527 | * | |
1528 | * @auth: Request to authenticate with the specified peer | |
1529 | * @assoc: Request to (re)associate with the specified peer | |
1530 | * @deauth: Request to deauthenticate from the specified peer | |
1531 | * @disassoc: Request to disassociate from the specified peer | |
1532 | * | |
1533 | * @connect: Connect to the ESS with the specified parameters. When connected, | |
1534 | * call cfg80211_connect_result() with status code %WLAN_STATUS_SUCCESS. | |
1535 | * If the connection fails for some reason, call cfg80211_connect_result() | |
1536 | * with the status from the AP. | |
1537 | * @disconnect: Disconnect from the BSS/ESS. | |
1538 | * | |
1539 | * @join_ibss: Join the specified IBSS (or create if necessary). Once done, call | |
1540 | * cfg80211_ibss_joined(), also call that function when changing BSSID due | |
1541 | * to a merge. | |
1542 | * @leave_ibss: Leave the IBSS. | |
1543 | * | |
1544 | * @set_wiphy_params: Notify that wiphy parameters have changed; | |
1545 | * @changed bitfield (see &enum wiphy_params_flags) describes which values | |
1546 | * have changed. The actual parameter values are available in | |
1547 | * struct wiphy. If returning an error, no value should be changed. | |
1548 | * | |
1549 | * @set_tx_power: set the transmit power according to the parameters, | |
1550 | * the power passed is in mBm, to get dBm use MBM_TO_DBM(). | |
1551 | * @get_tx_power: store the current TX power into the dbm variable; | |
1552 | * return 0 if successful | |
1553 | * | |
1554 | * @set_wds_peer: set the WDS peer for a WDS interface | |
1555 | * | |
1556 | * @rfkill_poll: polls the hw rfkill line, use cfg80211 reporting | |
1557 | * functions to adjust rfkill hw state | |
1558 | * | |
1559 | * @dump_survey: get site survey information. | |
1560 | * | |
1561 | * @remain_on_channel: Request the driver to remain awake on the specified | |
1562 | * channel for the specified duration to complete an off-channel | |
1563 | * operation (e.g., public action frame exchange). When the driver is | |
1564 | * ready on the requested channel, it must indicate this with an event | |
1565 | * notification by calling cfg80211_ready_on_channel(). | |
1566 | * @cancel_remain_on_channel: Cancel an on-going remain-on-channel operation. | |
1567 | * This allows the operation to be terminated prior to timeout based on | |
1568 | * the duration value. | |
1569 | * @mgmt_tx: Transmit a management frame. | |
1570 | * @mgmt_tx_cancel_wait: Cancel the wait time from transmitting a management | |
1571 | * frame on another channel | |
1572 | * | |
1573 | * @testmode_cmd: run a test mode command | |
1574 | * @testmode_dump: Implement a test mode dump. The cb->args[2] and up may be | |
1575 | * used by the function, but 0 and 1 must not be touched. Additionally, | |
1576 | * return error codes other than -ENOBUFS and -ENOENT will terminate the | |
1577 | * dump and return to userspace with an error, so be careful. If any data | |
1578 | * was passed in from userspace then the data/len arguments will be present | |
1579 | * and point to the data contained in %NL80211_ATTR_TESTDATA. | |
1580 | * | |
1581 | * @set_bitrate_mask: set the bitrate mask configuration | |
1582 | * | |
1583 | * @set_pmksa: Cache a PMKID for a BSSID. This is mostly useful for fullmac | |
1584 | * devices running firmwares capable of generating the (re) association | |
1585 | * RSN IE. It allows for faster roaming between WPA2 BSSIDs. | |
1586 | * @del_pmksa: Delete a cached PMKID. | |
1587 | * @flush_pmksa: Flush all cached PMKIDs. | |
1588 | * @set_power_mgmt: Configure WLAN power management. A timeout value of -1 | |
1589 | * allows the driver to adjust the dynamic ps timeout value. | |
1590 | * @set_cqm_rssi_config: Configure connection quality monitor RSSI threshold. | |
1591 | * @set_cqm_txe_config: Configure connection quality monitor TX error | |
1592 | * thresholds. | |
1593 | * @sched_scan_start: Tell the driver to start a scheduled scan. | |
1594 | * @sched_scan_stop: Tell the driver to stop an ongoing scheduled scan. | |
1595 | * | |
1596 | * @mgmt_frame_register: Notify driver that a management frame type was | |
1597 | * registered. Note that this callback may not sleep, and cannot run | |
1598 | * concurrently with itself. | |
1599 | * | |
1600 | * @set_antenna: Set antenna configuration (tx_ant, rx_ant) on the device. | |
1601 | * Parameters are bitmaps of allowed antennas to use for TX/RX. Drivers may | |
1602 | * reject TX/RX mask combinations they cannot support by returning -EINVAL | |
1603 | * (also see nl80211.h @NL80211_ATTR_WIPHY_ANTENNA_TX). | |
1604 | * | |
1605 | * @get_antenna: Get current antenna configuration from device (tx_ant, rx_ant). | |
1606 | * | |
1607 | * @set_ringparam: Set tx and rx ring sizes. | |
1608 | * | |
1609 | * @get_ringparam: Get tx and rx ring current and maximum sizes. | |
1610 | * | |
1611 | * @tdls_mgmt: Transmit a TDLS management frame. | |
1612 | * @tdls_oper: Perform a high-level TDLS operation (e.g. TDLS link setup). | |
1613 | * | |
1614 | * @probe_client: probe an associated client, must return a cookie that it | |
1615 | * later passes to cfg80211_probe_status(). | |
1616 | * | |
1617 | * @set_noack_map: Set the NoAck Map for the TIDs. | |
1618 | * | |
1619 | * @get_et_sset_count: Ethtool API to get string-set count. | |
1620 | * See @ethtool_ops.get_sset_count | |
1621 | * | |
1622 | * @get_et_stats: Ethtool API to get a set of u64 stats. | |
1623 | * See @ethtool_ops.get_ethtool_stats | |
1624 | * | |
1625 | * @get_et_strings: Ethtool API to get a set of strings to describe stats | |
1626 | * and perhaps other supported types of ethtool data-sets. | |
1627 | * See @ethtool_ops.get_strings | |
1628 | * | |
1629 | * @get_channel: Get the current operating channel for the virtual interface. | |
1630 | * For monitor interfaces, it should return %NULL unless there's a single | |
1631 | * current monitoring channel. | |
1632 | * | |
1633 | * @start_p2p_device: Start the given P2P device. | |
1634 | * @stop_p2p_device: Stop the given P2P device. | |
1635 | */ | |
1636 | struct cfg80211_ops { | |
1637 | int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow); | |
1638 | int (*resume)(struct wiphy *wiphy); | |
1639 | void (*set_wakeup)(struct wiphy *wiphy, bool enabled); | |
1640 | ||
1641 | struct wireless_dev * (*add_virtual_intf)(struct wiphy *wiphy, | |
1642 | const char *name, | |
1643 | enum nl80211_iftype type, | |
1644 | u32 *flags, | |
1645 | struct vif_params *params); | |
1646 | int (*del_virtual_intf)(struct wiphy *wiphy, | |
1647 | struct wireless_dev *wdev); | |
1648 | int (*change_virtual_intf)(struct wiphy *wiphy, | |
1649 | struct net_device *dev, | |
1650 | enum nl80211_iftype type, u32 *flags, | |
1651 | struct vif_params *params); | |
1652 | ||
1653 | int (*add_key)(struct wiphy *wiphy, struct net_device *netdev, | |
1654 | u8 key_index, bool pairwise, const u8 *mac_addr, | |
1655 | struct key_params *params); | |
1656 | int (*get_key)(struct wiphy *wiphy, struct net_device *netdev, | |
1657 | u8 key_index, bool pairwise, const u8 *mac_addr, | |
1658 | void *cookie, | |
1659 | void (*callback)(void *cookie, struct key_params*)); | |
1660 | int (*del_key)(struct wiphy *wiphy, struct net_device *netdev, | |
1661 | u8 key_index, bool pairwise, const u8 *mac_addr); | |
1662 | int (*set_default_key)(struct wiphy *wiphy, | |
1663 | struct net_device *netdev, | |
1664 | u8 key_index, bool unicast, bool multicast); | |
1665 | int (*set_default_mgmt_key)(struct wiphy *wiphy, | |
1666 | struct net_device *netdev, | |
1667 | u8 key_index); | |
1668 | ||
1669 | int (*start_ap)(struct wiphy *wiphy, struct net_device *dev, | |
1670 | struct cfg80211_ap_settings *settings); | |
1671 | int (*change_beacon)(struct wiphy *wiphy, struct net_device *dev, | |
1672 | struct cfg80211_beacon_data *info); | |
1673 | int (*stop_ap)(struct wiphy *wiphy, struct net_device *dev); | |
1674 | ||
1675 | ||
1676 | int (*add_station)(struct wiphy *wiphy, struct net_device *dev, | |
1677 | u8 *mac, struct station_parameters *params); | |
1678 | int (*del_station)(struct wiphy *wiphy, struct net_device *dev, | |
1679 | u8 *mac); | |
1680 | int (*change_station)(struct wiphy *wiphy, struct net_device *dev, | |
1681 | u8 *mac, struct station_parameters *params); | |
1682 | int (*get_station)(struct wiphy *wiphy, struct net_device *dev, | |
1683 | u8 *mac, struct station_info *sinfo); | |
1684 | int (*dump_station)(struct wiphy *wiphy, struct net_device *dev, | |
1685 | int idx, u8 *mac, struct station_info *sinfo); | |
1686 | ||
1687 | int (*add_mpath)(struct wiphy *wiphy, struct net_device *dev, | |
1688 | u8 *dst, u8 *next_hop); | |
1689 | int (*del_mpath)(struct wiphy *wiphy, struct net_device *dev, | |
1690 | u8 *dst); | |
1691 | int (*change_mpath)(struct wiphy *wiphy, struct net_device *dev, | |
1692 | u8 *dst, u8 *next_hop); | |
1693 | int (*get_mpath)(struct wiphy *wiphy, struct net_device *dev, | |
1694 | u8 *dst, u8 *next_hop, | |
1695 | struct mpath_info *pinfo); | |
1696 | int (*dump_mpath)(struct wiphy *wiphy, struct net_device *dev, | |
1697 | int idx, u8 *dst, u8 *next_hop, | |
1698 | struct mpath_info *pinfo); | |
1699 | int (*get_mesh_config)(struct wiphy *wiphy, | |
1700 | struct net_device *dev, | |
1701 | struct mesh_config *conf); | |
1702 | int (*update_mesh_config)(struct wiphy *wiphy, | |
1703 | struct net_device *dev, u32 mask, | |
1704 | const struct mesh_config *nconf); | |
1705 | int (*join_mesh)(struct wiphy *wiphy, struct net_device *dev, | |
1706 | const struct mesh_config *conf, | |
1707 | const struct mesh_setup *setup); | |
1708 | int (*leave_mesh)(struct wiphy *wiphy, struct net_device *dev); | |
1709 | ||
1710 | int (*change_bss)(struct wiphy *wiphy, struct net_device *dev, | |
1711 | struct bss_parameters *params); | |
1712 | ||
1713 | int (*set_txq_params)(struct wiphy *wiphy, struct net_device *dev, | |
1714 | struct ieee80211_txq_params *params); | |
1715 | ||
1716 | int (*libertas_set_mesh_channel)(struct wiphy *wiphy, | |
1717 | struct net_device *dev, | |
1718 | struct ieee80211_channel *chan); | |
1719 | ||
1720 | int (*set_monitor_channel)(struct wiphy *wiphy, | |
1721 | struct ieee80211_channel *chan, | |
1722 | enum nl80211_channel_type channel_type); | |
1723 | ||
1724 | int (*scan)(struct wiphy *wiphy, | |
1725 | struct cfg80211_scan_request *request); | |
1726 | ||
1727 | int (*auth)(struct wiphy *wiphy, struct net_device *dev, | |
1728 | struct cfg80211_auth_request *req); | |
1729 | int (*assoc)(struct wiphy *wiphy, struct net_device *dev, | |
1730 | struct cfg80211_assoc_request *req); | |
1731 | int (*deauth)(struct wiphy *wiphy, struct net_device *dev, | |
1732 | struct cfg80211_deauth_request *req); | |
1733 | int (*disassoc)(struct wiphy *wiphy, struct net_device *dev, | |
1734 | struct cfg80211_disassoc_request *req); | |
1735 | ||
1736 | int (*connect)(struct wiphy *wiphy, struct net_device *dev, | |
1737 | struct cfg80211_connect_params *sme); | |
1738 | int (*disconnect)(struct wiphy *wiphy, struct net_device *dev, | |
1739 | u16 reason_code); | |
1740 | ||
1741 | int (*join_ibss)(struct wiphy *wiphy, struct net_device *dev, | |
1742 | struct cfg80211_ibss_params *params); | |
1743 | int (*leave_ibss)(struct wiphy *wiphy, struct net_device *dev); | |
1744 | ||
1745 | int (*set_wiphy_params)(struct wiphy *wiphy, u32 changed); | |
1746 | ||
1747 | int (*set_tx_power)(struct wiphy *wiphy, | |
1748 | enum nl80211_tx_power_setting type, int mbm); | |
1749 | int (*get_tx_power)(struct wiphy *wiphy, int *dbm); | |
1750 | ||
1751 | int (*set_wds_peer)(struct wiphy *wiphy, struct net_device *dev, | |
1752 | const u8 *addr); | |
1753 | ||
1754 | void (*rfkill_poll)(struct wiphy *wiphy); | |
1755 | ||
1756 | #ifdef CONFIG_NL80211_TESTMODE | |
1757 | int (*testmode_cmd)(struct wiphy *wiphy, void *data, int len); | |
1758 | int (*testmode_dump)(struct wiphy *wiphy, struct sk_buff *skb, | |
1759 | struct netlink_callback *cb, | |
1760 | void *data, int len); | |
1761 | #endif | |
1762 | ||
1763 | int (*set_bitrate_mask)(struct wiphy *wiphy, | |
1764 | struct net_device *dev, | |
1765 | const u8 *peer, | |
1766 | const struct cfg80211_bitrate_mask *mask); | |
1767 | ||
1768 | int (*dump_survey)(struct wiphy *wiphy, struct net_device *netdev, | |
1769 | int idx, struct survey_info *info); | |
1770 | ||
1771 | int (*set_pmksa)(struct wiphy *wiphy, struct net_device *netdev, | |
1772 | struct cfg80211_pmksa *pmksa); | |
1773 | int (*del_pmksa)(struct wiphy *wiphy, struct net_device *netdev, | |
1774 | struct cfg80211_pmksa *pmksa); | |
1775 | int (*flush_pmksa)(struct wiphy *wiphy, struct net_device *netdev); | |
1776 | ||
1777 | int (*remain_on_channel)(struct wiphy *wiphy, | |
1778 | struct wireless_dev *wdev, | |
1779 | struct ieee80211_channel *chan, | |
1780 | enum nl80211_channel_type channel_type, | |
1781 | unsigned int duration, | |
1782 | u64 *cookie); | |
1783 | int (*cancel_remain_on_channel)(struct wiphy *wiphy, | |
1784 | struct wireless_dev *wdev, | |
1785 | u64 cookie); | |
1786 | ||
1787 | int (*mgmt_tx)(struct wiphy *wiphy, struct wireless_dev *wdev, | |
1788 | struct ieee80211_channel *chan, bool offchan, | |
1789 | enum nl80211_channel_type channel_type, | |
1790 | bool channel_type_valid, unsigned int wait, | |
1791 | const u8 *buf, size_t len, bool no_cck, | |
1792 | bool dont_wait_for_ack, u64 *cookie); | |
1793 | int (*mgmt_tx_cancel_wait)(struct wiphy *wiphy, | |
1794 | struct wireless_dev *wdev, | |
1795 | u64 cookie); | |
1796 | ||
1797 | int (*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev, | |
1798 | bool enabled, int timeout); | |
1799 | ||
1800 | int (*set_cqm_rssi_config)(struct wiphy *wiphy, | |
1801 | struct net_device *dev, | |
1802 | s32 rssi_thold, u32 rssi_hyst); | |
1803 | ||
1804 | int (*set_cqm_txe_config)(struct wiphy *wiphy, | |
1805 | struct net_device *dev, | |
1806 | u32 rate, u32 pkts, u32 intvl); | |
1807 | ||
1808 | void (*mgmt_frame_register)(struct wiphy *wiphy, | |
1809 | struct wireless_dev *wdev, | |
1810 | u16 frame_type, bool reg); | |
1811 | ||
1812 | int (*set_antenna)(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant); | |
1813 | int (*get_antenna)(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant); | |
1814 | ||
1815 | int (*set_ringparam)(struct wiphy *wiphy, u32 tx, u32 rx); | |
1816 | void (*get_ringparam)(struct wiphy *wiphy, | |
1817 | u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max); | |
1818 | ||
1819 | int (*sched_scan_start)(struct wiphy *wiphy, | |
1820 | struct net_device *dev, | |
1821 | struct cfg80211_sched_scan_request *request); | |
1822 | int (*sched_scan_stop)(struct wiphy *wiphy, struct net_device *dev); | |
1823 | ||
1824 | int (*set_rekey_data)(struct wiphy *wiphy, struct net_device *dev, | |
1825 | struct cfg80211_gtk_rekey_data *data); | |
1826 | ||
1827 | int (*tdls_mgmt)(struct wiphy *wiphy, struct net_device *dev, | |
1828 | u8 *peer, u8 action_code, u8 dialog_token, | |
1829 | u16 status_code, const u8 *buf, size_t len); | |
1830 | int (*tdls_oper)(struct wiphy *wiphy, struct net_device *dev, | |
1831 | u8 *peer, enum nl80211_tdls_operation oper); | |
1832 | ||
1833 | int (*probe_client)(struct wiphy *wiphy, struct net_device *dev, | |
1834 | const u8 *peer, u64 *cookie); | |
1835 | ||
1836 | int (*set_noack_map)(struct wiphy *wiphy, | |
1837 | struct net_device *dev, | |
1838 | u16 noack_map); | |
1839 | ||
1840 | int (*get_et_sset_count)(struct wiphy *wiphy, | |
1841 | struct net_device *dev, int sset); | |
1842 | void (*get_et_stats)(struct wiphy *wiphy, struct net_device *dev, | |
1843 | struct ethtool_stats *stats, u64 *data); | |
1844 | void (*get_et_strings)(struct wiphy *wiphy, struct net_device *dev, | |
1845 | u32 sset, u8 *data); | |
1846 | ||
1847 | struct ieee80211_channel * | |
1848 | (*get_channel)(struct wiphy *wiphy, | |
1849 | struct wireless_dev *wdev, | |
1850 | enum nl80211_channel_type *type); | |
1851 | ||
1852 | int (*start_p2p_device)(struct wiphy *wiphy, | |
1853 | struct wireless_dev *wdev); | |
1854 | void (*stop_p2p_device)(struct wiphy *wiphy, | |
1855 | struct wireless_dev *wdev); | |
1856 | }; | |
1857 | ||
1858 | /* | |
1859 | * wireless hardware and networking interfaces structures | |
1860 | * and registration/helper functions | |
1861 | */ | |
1862 | ||
1863 | /** | |
1864 | * enum wiphy_flags - wiphy capability flags | |
1865 | * | |
1866 | * @WIPHY_FLAG_CUSTOM_REGULATORY: tells us the driver for this device | |
1867 | * has its own custom regulatory domain and cannot identify the | |
1868 | * ISO / IEC 3166 alpha2 it belongs to. When this is enabled | |
1869 | * we will disregard the first regulatory hint (when the | |
1870 | * initiator is %REGDOM_SET_BY_CORE). | |
1871 | * @WIPHY_FLAG_STRICT_REGULATORY: tells us the driver for this device will | |
1872 | * ignore regulatory domain settings until it gets its own regulatory | |
1873 | * domain via its regulatory_hint() unless the regulatory hint is | |
1874 | * from a country IE. After its gets its own regulatory domain it will | |
1875 | * only allow further regulatory domain settings to further enhance | |
1876 | * compliance. For example if channel 13 and 14 are disabled by this | |
1877 | * regulatory domain no user regulatory domain can enable these channels | |
1878 | * at a later time. This can be used for devices which do not have | |
1879 | * calibration information guaranteed for frequencies or settings | |
1880 | * outside of its regulatory domain. If used in combination with | |
1881 | * WIPHY_FLAG_CUSTOM_REGULATORY the inspected country IE power settings | |
1882 | * will be followed. | |
1883 | * @WIPHY_FLAG_DISABLE_BEACON_HINTS: enable this if your driver needs to ensure | |
1884 | * that passive scan flags and beaconing flags may not be lifted by | |
1885 | * cfg80211 due to regulatory beacon hints. For more information on beacon | |
1886 | * hints read the documenation for regulatory_hint_found_beacon() | |
1887 | * @WIPHY_FLAG_NETNS_OK: if not set, do not allow changing the netns of this | |
1888 | * wiphy at all | |
1889 | * @WIPHY_FLAG_PS_ON_BY_DEFAULT: if set to true, powersave will be enabled | |
1890 | * by default -- this flag will be set depending on the kernel's default | |
1891 | * on wiphy_new(), but can be changed by the driver if it has a good | |
1892 | * reason to override the default | |
1893 | * @WIPHY_FLAG_4ADDR_AP: supports 4addr mode even on AP (with a single station | |
1894 | * on a VLAN interface) | |
1895 | * @WIPHY_FLAG_4ADDR_STATION: supports 4addr mode even as a station | |
1896 | * @WIPHY_FLAG_CONTROL_PORT_PROTOCOL: This device supports setting the | |
1897 | * control port protocol ethertype. The device also honours the | |
1898 | * control_port_no_encrypt flag. | |
1899 | * @WIPHY_FLAG_IBSS_RSN: The device supports IBSS RSN. | |
1900 | * @WIPHY_FLAG_MESH_AUTH: The device supports mesh authentication by routing | |
1901 | * auth frames to userspace. See @NL80211_MESH_SETUP_USERSPACE_AUTH. | |
1902 | * @WIPHY_FLAG_SUPPORTS_SCHED_SCAN: The device supports scheduled scans. | |
1903 | * @WIPHY_FLAG_SUPPORTS_FW_ROAM: The device supports roaming feature in the | |
1904 | * firmware. | |
1905 | * @WIPHY_FLAG_AP_UAPSD: The device supports uapsd on AP. | |
1906 | * @WIPHY_FLAG_SUPPORTS_TDLS: The device supports TDLS (802.11z) operation. | |
1907 | * @WIPHY_FLAG_TDLS_EXTERNAL_SETUP: The device does not handle TDLS (802.11z) | |
1908 | * link setup/discovery operations internally. Setup, discovery and | |
1909 | * teardown packets should be sent through the @NL80211_CMD_TDLS_MGMT | |
1910 | * command. When this flag is not set, @NL80211_CMD_TDLS_OPER should be | |
1911 | * used for asking the driver/firmware to perform a TDLS operation. | |
1912 | * @WIPHY_FLAG_HAVE_AP_SME: device integrates AP SME | |
1913 | * @WIPHY_FLAG_REPORTS_OBSS: the device will report beacons from other BSSes | |
1914 | * when there are virtual interfaces in AP mode by calling | |
1915 | * cfg80211_report_obss_beacon(). | |
1916 | * @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD: When operating as an AP, the device | |
1917 | * responds to probe-requests in hardware. | |
1918 | * @WIPHY_FLAG_OFFCHAN_TX: Device supports direct off-channel TX. | |
1919 | * @WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL: Device supports remain-on-channel call. | |
1920 | */ | |
1921 | enum wiphy_flags { | |
1922 | WIPHY_FLAG_CUSTOM_REGULATORY = BIT(0), | |
1923 | WIPHY_FLAG_STRICT_REGULATORY = BIT(1), | |
1924 | WIPHY_FLAG_DISABLE_BEACON_HINTS = BIT(2), | |
1925 | WIPHY_FLAG_NETNS_OK = BIT(3), | |
1926 | WIPHY_FLAG_PS_ON_BY_DEFAULT = BIT(4), | |
1927 | WIPHY_FLAG_4ADDR_AP = BIT(5), | |
1928 | WIPHY_FLAG_4ADDR_STATION = BIT(6), | |
1929 | WIPHY_FLAG_CONTROL_PORT_PROTOCOL = BIT(7), | |
1930 | WIPHY_FLAG_IBSS_RSN = BIT(8), | |
1931 | WIPHY_FLAG_MESH_AUTH = BIT(10), | |
1932 | WIPHY_FLAG_SUPPORTS_SCHED_SCAN = BIT(11), | |
1933 | /* use hole at 12 */ | |
1934 | WIPHY_FLAG_SUPPORTS_FW_ROAM = BIT(13), | |
1935 | WIPHY_FLAG_AP_UAPSD = BIT(14), | |
1936 | WIPHY_FLAG_SUPPORTS_TDLS = BIT(15), | |
1937 | WIPHY_FLAG_TDLS_EXTERNAL_SETUP = BIT(16), | |
1938 | WIPHY_FLAG_HAVE_AP_SME = BIT(17), | |
1939 | WIPHY_FLAG_REPORTS_OBSS = BIT(18), | |
1940 | WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD = BIT(19), | |
1941 | WIPHY_FLAG_OFFCHAN_TX = BIT(20), | |
1942 | WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL = BIT(21), | |
1943 | }; | |
1944 | ||
1945 | /** | |
1946 | * struct ieee80211_iface_limit - limit on certain interface types | |
1947 | * @max: maximum number of interfaces of these types | |
1948 | * @types: interface types (bits) | |
1949 | */ | |
1950 | struct ieee80211_iface_limit { | |
1951 | u16 max; | |
1952 | u16 types; | |
1953 | }; | |
1954 | ||
1955 | /** | |
1956 | * struct ieee80211_iface_combination - possible interface combination | |
1957 | * @limits: limits for the given interface types | |
1958 | * @n_limits: number of limitations | |
1959 | * @num_different_channels: can use up to this many different channels | |
1960 | * @max_interfaces: maximum number of interfaces in total allowed in this | |
1961 | * group | |
1962 | * @beacon_int_infra_match: In this combination, the beacon intervals | |
1963 | * between infrastructure and AP types must match. This is required | |
1964 | * only in special cases. | |
1965 | * | |
1966 | * These examples can be expressed as follows: | |
1967 | * | |
1968 | * Allow #STA <= 1, #AP <= 1, matching BI, channels = 1, 2 total: | |
1969 | * | |
1970 | * struct ieee80211_iface_limit limits1[] = { | |
1971 | * { .max = 1, .types = BIT(NL80211_IFTYPE_STATION), }, | |
1972 | * { .max = 1, .types = BIT(NL80211_IFTYPE_AP}, }, | |
1973 | * }; | |
1974 | * struct ieee80211_iface_combination combination1 = { | |
1975 | * .limits = limits1, | |
1976 | * .n_limits = ARRAY_SIZE(limits1), | |
1977 | * .max_interfaces = 2, | |
1978 | * .beacon_int_infra_match = true, | |
1979 | * }; | |
1980 | * | |
1981 | * | |
1982 | * Allow #{AP, P2P-GO} <= 8, channels = 1, 8 total: | |
1983 | * | |
1984 | * struct ieee80211_iface_limit limits2[] = { | |
1985 | * { .max = 8, .types = BIT(NL80211_IFTYPE_AP) | | |
1986 | * BIT(NL80211_IFTYPE_P2P_GO), }, | |
1987 | * }; | |
1988 | * struct ieee80211_iface_combination combination2 = { | |
1989 | * .limits = limits2, | |
1990 | * .n_limits = ARRAY_SIZE(limits2), | |
1991 | * .max_interfaces = 8, | |
1992 | * .num_different_channels = 1, | |
1993 | * }; | |
1994 | * | |
1995 | * | |
1996 | * Allow #STA <= 1, #{P2P-client,P2P-GO} <= 3 on two channels, 4 total. | |
1997 | * This allows for an infrastructure connection and three P2P connections. | |
1998 | * | |
1999 | * struct ieee80211_iface_limit limits3[] = { | |
2000 | * { .max = 1, .types = BIT(NL80211_IFTYPE_STATION), }, | |
2001 | * { .max = 3, .types = BIT(NL80211_IFTYPE_P2P_GO) | | |
2002 | * BIT(NL80211_IFTYPE_P2P_CLIENT), }, | |
2003 | * }; | |
2004 | * struct ieee80211_iface_combination combination3 = { | |
2005 | * .limits = limits3, | |
2006 | * .n_limits = ARRAY_SIZE(limits3), | |
2007 | * .max_interfaces = 4, | |
2008 | * .num_different_channels = 2, | |
2009 | * }; | |
2010 | */ | |
2011 | struct ieee80211_iface_combination { | |
2012 | const struct ieee80211_iface_limit *limits; | |
2013 | u32 num_different_channels; | |
2014 | u16 max_interfaces; | |
2015 | u8 n_limits; | |
2016 | bool beacon_int_infra_match; | |
2017 | }; | |
2018 | ||
2019 | struct mac_address { | |
2020 | u8 addr[ETH_ALEN]; | |
2021 | }; | |
2022 | ||
2023 | struct ieee80211_txrx_stypes { | |
2024 | u16 tx, rx; | |
2025 | }; | |
2026 | ||
2027 | /** | |
2028 | * enum wiphy_wowlan_support_flags - WoWLAN support flags | |
2029 | * @WIPHY_WOWLAN_ANY: supports wakeup for the special "any" | |
2030 | * trigger that keeps the device operating as-is and | |
2031 | * wakes up the host on any activity, for example a | |
2032 | * received packet that passed filtering; note that the | |
2033 | * packet should be preserved in that case | |
2034 | * @WIPHY_WOWLAN_MAGIC_PKT: supports wakeup on magic packet | |
2035 | * (see nl80211.h) | |
2036 | * @WIPHY_WOWLAN_DISCONNECT: supports wakeup on disconnect | |
2037 | * @WIPHY_WOWLAN_SUPPORTS_GTK_REKEY: supports GTK rekeying while asleep | |
2038 | * @WIPHY_WOWLAN_GTK_REKEY_FAILURE: supports wakeup on GTK rekey failure | |
2039 | * @WIPHY_WOWLAN_EAP_IDENTITY_REQ: supports wakeup on EAP identity request | |
2040 | * @WIPHY_WOWLAN_4WAY_HANDSHAKE: supports wakeup on 4-way handshake failure | |
2041 | * @WIPHY_WOWLAN_RFKILL_RELEASE: supports wakeup on RF-kill release | |
2042 | */ | |
2043 | enum wiphy_wowlan_support_flags { | |
2044 | WIPHY_WOWLAN_ANY = BIT(0), | |
2045 | WIPHY_WOWLAN_MAGIC_PKT = BIT(1), | |
2046 | WIPHY_WOWLAN_DISCONNECT = BIT(2), | |
2047 | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY = BIT(3), | |
2048 | WIPHY_WOWLAN_GTK_REKEY_FAILURE = BIT(4), | |
2049 | WIPHY_WOWLAN_EAP_IDENTITY_REQ = BIT(5), | |
2050 | WIPHY_WOWLAN_4WAY_HANDSHAKE = BIT(6), | |
2051 | WIPHY_WOWLAN_RFKILL_RELEASE = BIT(7), | |
2052 | }; | |
2053 | ||
2054 | /** | |
2055 | * struct wiphy_wowlan_support - WoWLAN support data | |
2056 | * @flags: see &enum wiphy_wowlan_support_flags | |
2057 | * @n_patterns: number of supported wakeup patterns | |
2058 | * (see nl80211.h for the pattern definition) | |
2059 | * @pattern_max_len: maximum length of each pattern | |
2060 | * @pattern_min_len: minimum length of each pattern | |
2061 | */ | |
2062 | struct wiphy_wowlan_support { | |
2063 | u32 flags; | |
2064 | int n_patterns; | |
2065 | int pattern_max_len; | |
2066 | int pattern_min_len; | |
2067 | }; | |
2068 | ||
2069 | /** | |
2070 | * struct wiphy - wireless hardware description | |
2071 | * @reg_notifier: the driver's regulatory notification callback, | |
2072 | * note that if your driver uses wiphy_apply_custom_regulatory() | |
2073 | * the reg_notifier's request can be passed as NULL | |
2074 | * @regd: the driver's regulatory domain, if one was requested via | |
2075 | * the regulatory_hint() API. This can be used by the driver | |
2076 | * on the reg_notifier() if it chooses to ignore future | |
2077 | * regulatory domain changes caused by other drivers. | |
2078 | * @signal_type: signal type reported in &struct cfg80211_bss. | |
2079 | * @cipher_suites: supported cipher suites | |
2080 | * @n_cipher_suites: number of supported cipher suites | |
2081 | * @retry_short: Retry limit for short frames (dot11ShortRetryLimit) | |
2082 | * @retry_long: Retry limit for long frames (dot11LongRetryLimit) | |
2083 | * @frag_threshold: Fragmentation threshold (dot11FragmentationThreshold); | |
2084 | * -1 = fragmentation disabled, only odd values >= 256 used | |
2085 | * @rts_threshold: RTS threshold (dot11RTSThreshold); -1 = RTS/CTS disabled | |
2086 | * @_net: the network namespace this wiphy currently lives in | |
2087 | * @perm_addr: permanent MAC address of this device | |
2088 | * @addr_mask: If the device supports multiple MAC addresses by masking, | |
2089 | * set this to a mask with variable bits set to 1, e.g. if the last | |
2090 | * four bits are variable then set it to 00:...:00:0f. The actual | |
2091 | * variable bits shall be determined by the interfaces added, with | |
2092 | * interfaces not matching the mask being rejected to be brought up. | |
2093 | * @n_addresses: number of addresses in @addresses. | |
2094 | * @addresses: If the device has more than one address, set this pointer | |
2095 | * to a list of addresses (6 bytes each). The first one will be used | |
2096 | * by default for perm_addr. In this case, the mask should be set to | |
2097 | * all-zeroes. In this case it is assumed that the device can handle | |
2098 | * the same number of arbitrary MAC addresses. | |
2099 | * @registered: protects ->resume and ->suspend sysfs callbacks against | |
2100 | * unregister hardware | |
2101 | * @debugfsdir: debugfs directory used for this wiphy, will be renamed | |
2102 | * automatically on wiphy renames | |
2103 | * @dev: (virtual) struct device for this wiphy | |
2104 | * @registered: helps synchronize suspend/resume with wiphy unregister | |
2105 | * @wext: wireless extension handlers | |
2106 | * @priv: driver private data (sized according to wiphy_new() parameter) | |
2107 | * @interface_modes: bitmask of interfaces types valid for this wiphy, | |
2108 | * must be set by driver | |
2109 | * @iface_combinations: Valid interface combinations array, should not | |
2110 | * list single interface types. | |
2111 | * @n_iface_combinations: number of entries in @iface_combinations array. | |
2112 | * @software_iftypes: bitmask of software interface types, these are not | |
2113 | * subject to any restrictions since they are purely managed in SW. | |
2114 | * @flags: wiphy flags, see &enum wiphy_flags | |
2115 | * @features: features advertised to nl80211, see &enum nl80211_feature_flags. | |
2116 | * @bss_priv_size: each BSS struct has private data allocated with it, | |
2117 | * this variable determines its size | |
2118 | * @max_scan_ssids: maximum number of SSIDs the device can scan for in | |
2119 | * any given scan | |
2120 | * @max_sched_scan_ssids: maximum number of SSIDs the device can scan | |
2121 | * for in any given scheduled scan | |
2122 | * @max_match_sets: maximum number of match sets the device can handle | |
2123 | * when performing a scheduled scan, 0 if filtering is not | |
2124 | * supported. | |
2125 | * @max_scan_ie_len: maximum length of user-controlled IEs device can | |
2126 | * add to probe request frames transmitted during a scan, must not | |
2127 | * include fixed IEs like supported rates | |
2128 | * @max_sched_scan_ie_len: same as max_scan_ie_len, but for scheduled | |
2129 | * scans | |
2130 | * @coverage_class: current coverage class | |
2131 | * @fw_version: firmware version for ethtool reporting | |
2132 | * @hw_version: hardware version for ethtool reporting | |
2133 | * @max_num_pmkids: maximum number of PMKIDs supported by device | |
2134 | * @privid: a pointer that drivers can use to identify if an arbitrary | |
2135 | * wiphy is theirs, e.g. in global notifiers | |
2136 | * @bands: information about bands/channels supported by this device | |
2137 | * | |
2138 | * @mgmt_stypes: bitmasks of frame subtypes that can be subscribed to or | |
2139 | * transmitted through nl80211, points to an array indexed by interface | |
2140 | * type | |
2141 | * | |
2142 | * @available_antennas_tx: bitmap of antennas which are available to be | |
2143 | * configured as TX antennas. Antenna configuration commands will be | |
2144 | * rejected unless this or @available_antennas_rx is set. | |
2145 | * | |
2146 | * @available_antennas_rx: bitmap of antennas which are available to be | |
2147 | * configured as RX antennas. Antenna configuration commands will be | |
2148 | * rejected unless this or @available_antennas_tx is set. | |
2149 | * | |
2150 | * @probe_resp_offload: | |
2151 | * Bitmap of supported protocols for probe response offloading. | |
2152 | * See &enum nl80211_probe_resp_offload_support_attr. Only valid | |
2153 | * when the wiphy flag @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD is set. | |
2154 | * | |
2155 | * @max_remain_on_channel_duration: Maximum time a remain-on-channel operation | |
2156 | * may request, if implemented. | |
2157 | * | |
2158 | * @wowlan: WoWLAN support information | |
2159 | * | |
2160 | * @ap_sme_capa: AP SME capabilities, flags from &enum nl80211_ap_sme_features. | |
2161 | * @ht_capa_mod_mask: Specify what ht_cap values can be over-ridden. | |
2162 | * If null, then none can be over-ridden. | |
2163 | */ | |
2164 | struct wiphy { | |
2165 | /* assign these fields before you register the wiphy */ | |
2166 | ||
2167 | /* permanent MAC address(es) */ | |
2168 | u8 perm_addr[ETH_ALEN]; | |
2169 | u8 addr_mask[ETH_ALEN]; | |
2170 | ||
2171 | struct mac_address *addresses; | |
2172 | ||
2173 | const struct ieee80211_txrx_stypes *mgmt_stypes; | |
2174 | ||
2175 | const struct ieee80211_iface_combination *iface_combinations; | |
2176 | int n_iface_combinations; | |
2177 | u16 software_iftypes; | |
2178 | ||
2179 | u16 n_addresses; | |
2180 | ||
2181 | /* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */ | |
2182 | u16 interface_modes; | |
2183 | ||
2184 | u32 flags, features; | |
2185 | ||
2186 | u32 ap_sme_capa; | |
2187 | ||
2188 | enum cfg80211_signal_type signal_type; | |
2189 | ||
2190 | int bss_priv_size; | |
2191 | u8 max_scan_ssids; | |
2192 | u8 max_sched_scan_ssids; | |
2193 | u8 max_match_sets; | |
2194 | u16 max_scan_ie_len; | |
2195 | u16 max_sched_scan_ie_len; | |
2196 | ||
2197 | int n_cipher_suites; | |
2198 | const u32 *cipher_suites; | |
2199 | ||
2200 | u8 retry_short; | |
2201 | u8 retry_long; | |
2202 | u32 frag_threshold; | |
2203 | u32 rts_threshold; | |
2204 | u8 coverage_class; | |
2205 | ||
2206 | char fw_version[ETHTOOL_BUSINFO_LEN]; | |
2207 | u32 hw_version; | |
2208 | ||
2209 | #ifdef CONFIG_PM | |
2210 | struct wiphy_wowlan_support wowlan; | |
2211 | #endif | |
2212 | ||
2213 | u16 max_remain_on_channel_duration; | |
2214 | ||
2215 | u8 max_num_pmkids; | |
2216 | ||
2217 | u32 available_antennas_tx; | |
2218 | u32 available_antennas_rx; | |
2219 | ||
2220 | /* | |
2221 | * Bitmap of supported protocols for probe response offloading | |
2222 | * see &enum nl80211_probe_resp_offload_support_attr. Only valid | |
2223 | * when the wiphy flag @WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD is set. | |
2224 | */ | |
2225 | u32 probe_resp_offload; | |
2226 | ||
2227 | /* If multiple wiphys are registered and you're handed e.g. | |
2228 | * a regular netdev with assigned ieee80211_ptr, you won't | |
2229 | * know whether it points to a wiphy your driver has registered | |
2230 | * or not. Assign this to something global to your driver to | |
2231 | * help determine whether you own this wiphy or not. */ | |
2232 | const void *privid; | |
2233 | ||
2234 | struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS]; | |
2235 | ||
2236 | /* Lets us get back the wiphy on the callback */ | |
2237 | int (*reg_notifier)(struct wiphy *wiphy, | |
2238 | struct regulatory_request *request); | |
2239 | ||
2240 | /* fields below are read-only, assigned by cfg80211 */ | |
2241 | ||
2242 | const struct ieee80211_regdomain *regd; | |
2243 | ||
2244 | /* the item in /sys/class/ieee80211/ points to this, | |
2245 | * you need use set_wiphy_dev() (see below) */ | |
2246 | struct device dev; | |
2247 | ||
2248 | /* protects ->resume, ->suspend sysfs callbacks against unregister hw */ | |
2249 | bool registered; | |
2250 | ||
2251 | /* dir in debugfs: ieee80211/<wiphyname> */ | |
2252 | struct dentry *debugfsdir; | |
2253 | ||
2254 | const struct ieee80211_ht_cap *ht_capa_mod_mask; | |
2255 | ||
2256 | #ifdef CONFIG_NET_NS | |
2257 | /* the network namespace this phy lives in currently */ | |
2258 | struct net *_net; | |
2259 | #endif | |
2260 | ||
2261 | #ifdef CONFIG_CFG80211_WEXT | |
2262 | const struct iw_handler_def *wext; | |
2263 | #endif | |
2264 | ||
2265 | char priv[0] __attribute__((__aligned__(NETDEV_ALIGN))); | |
2266 | }; | |
2267 | ||
2268 | static inline struct net *wiphy_net(struct wiphy *wiphy) | |
2269 | { | |
2270 | return read_pnet(&wiphy->_net); | |
2271 | } | |
2272 | ||
2273 | static inline void wiphy_net_set(struct wiphy *wiphy, struct net *net) | |
2274 | { | |
2275 | write_pnet(&wiphy->_net, net); | |
2276 | } | |
2277 | ||
2278 | /** | |
2279 | * wiphy_priv - return priv from wiphy | |
2280 | * | |
2281 | * @wiphy: the wiphy whose priv pointer to return | |
2282 | */ | |
2283 | static inline void *wiphy_priv(struct wiphy *wiphy) | |
2284 | { | |
2285 | BUG_ON(!wiphy); | |
2286 | return &wiphy->priv; | |
2287 | } | |
2288 | ||
2289 | /** | |
2290 | * priv_to_wiphy - return the wiphy containing the priv | |
2291 | * | |
2292 | * @priv: a pointer previously returned by wiphy_priv | |
2293 | */ | |
2294 | static inline struct wiphy *priv_to_wiphy(void *priv) | |
2295 | { | |
2296 | BUG_ON(!priv); | |
2297 | return container_of(priv, struct wiphy, priv); | |
2298 | } | |
2299 | ||
2300 | /** | |
2301 | * set_wiphy_dev - set device pointer for wiphy | |
2302 | * | |
2303 | * @wiphy: The wiphy whose device to bind | |
2304 | * @dev: The device to parent it to | |
2305 | */ | |
2306 | static inline void set_wiphy_dev(struct wiphy *wiphy, struct device *dev) | |
2307 | { | |
2308 | wiphy->dev.parent = dev; | |
2309 | } | |
2310 | ||
2311 | /** | |
2312 | * wiphy_dev - get wiphy dev pointer | |
2313 | * | |
2314 | * @wiphy: The wiphy whose device struct to look up | |
2315 | */ | |
2316 | static inline struct device *wiphy_dev(struct wiphy *wiphy) | |
2317 | { | |
2318 | return wiphy->dev.parent; | |
2319 | } | |
2320 | ||
2321 | /** | |
2322 | * wiphy_name - get wiphy name | |
2323 | * | |
2324 | * @wiphy: The wiphy whose name to return | |
2325 | */ | |
2326 | static inline const char *wiphy_name(const struct wiphy *wiphy) | |
2327 | { | |
2328 | return dev_name(&wiphy->dev); | |
2329 | } | |
2330 | ||
2331 | /** | |
2332 | * wiphy_new - create a new wiphy for use with cfg80211 | |
2333 | * | |
2334 | * @ops: The configuration operations for this device | |
2335 | * @sizeof_priv: The size of the private area to allocate | |
2336 | * | |
2337 | * Create a new wiphy and associate the given operations with it. | |
2338 | * @sizeof_priv bytes are allocated for private use. | |
2339 | * | |
2340 | * The returned pointer must be assigned to each netdev's | |
2341 | * ieee80211_ptr for proper operation. | |
2342 | */ | |
2343 | struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv); | |
2344 | ||
2345 | /** | |
2346 | * wiphy_register - register a wiphy with cfg80211 | |
2347 | * | |
2348 | * @wiphy: The wiphy to register. | |
2349 | * | |
2350 | * Returns a non-negative wiphy index or a negative error code. | |
2351 | */ | |
2352 | extern int wiphy_register(struct wiphy *wiphy); | |
2353 | ||
2354 | /** | |
2355 | * wiphy_unregister - deregister a wiphy from cfg80211 | |
2356 | * | |
2357 | * @wiphy: The wiphy to unregister. | |
2358 | * | |
2359 | * After this call, no more requests can be made with this priv | |
2360 | * pointer, but the call may sleep to wait for an outstanding | |
2361 | * request that is being handled. | |
2362 | */ | |
2363 | extern void wiphy_unregister(struct wiphy *wiphy); | |
2364 | ||
2365 | /** | |
2366 | * wiphy_free - free wiphy | |
2367 | * | |
2368 | * @wiphy: The wiphy to free | |
2369 | */ | |
2370 | extern void wiphy_free(struct wiphy *wiphy); | |
2371 | ||
2372 | /* internal structs */ | |
2373 | struct cfg80211_conn; | |
2374 | struct cfg80211_internal_bss; | |
2375 | struct cfg80211_cached_keys; | |
2376 | ||
2377 | /** | |
2378 | * struct wireless_dev - wireless device state | |
2379 | * | |
2380 | * For netdevs, this structure must be allocated by the driver | |
2381 | * that uses the ieee80211_ptr field in struct net_device (this | |
2382 | * is intentional so it can be allocated along with the netdev.) | |
2383 | * It need not be registered then as netdev registration will | |
2384 | * be intercepted by cfg80211 to see the new wireless device. | |
2385 | * | |
2386 | * For non-netdev uses, it must also be allocated by the driver | |
2387 | * in response to the cfg80211 callbacks that require it, as | |
2388 | * there's no netdev registration in that case it may not be | |
2389 | * allocated outside of callback operations that return it. | |
2390 | * | |
2391 | * @wiphy: pointer to hardware description | |
2392 | * @iftype: interface type | |
2393 | * @list: (private) Used to collect the interfaces | |
2394 | * @netdev: (private) Used to reference back to the netdev, may be %NULL | |
2395 | * @identifier: (private) Identifier used in nl80211 to identify this | |
2396 | * wireless device if it has no netdev | |
2397 | * @current_bss: (private) Used by the internal configuration code | |
2398 | * @channel: (private) Used by the internal configuration code to track | |
2399 | * the user-set AP, monitor and WDS channel | |
2400 | * @preset_chan: (private) Used by the internal configuration code to | |
2401 | * track the channel to be used for AP later | |
2402 | * @preset_chantype: (private) the corresponding channel type | |
2403 | * @bssid: (private) Used by the internal configuration code | |
2404 | * @ssid: (private) Used by the internal configuration code | |
2405 | * @ssid_len: (private) Used by the internal configuration code | |
2406 | * @mesh_id_len: (private) Used by the internal configuration code | |
2407 | * @mesh_id_up_len: (private) Used by the internal configuration code | |
2408 | * @wext: (private) Used by the internal wireless extensions compat code | |
2409 | * @use_4addr: indicates 4addr mode is used on this interface, must be | |
2410 | * set by driver (if supported) on add_interface BEFORE registering the | |
2411 | * netdev and may otherwise be used by driver read-only, will be update | |
2412 | * by cfg80211 on change_interface | |
2413 | * @mgmt_registrations: list of registrations for management frames | |
2414 | * @mgmt_registrations_lock: lock for the list | |
2415 | * @mtx: mutex used to lock data in this struct | |
2416 | * @cleanup_work: work struct used for cleanup that can't be done directly | |
2417 | * @beacon_interval: beacon interval used on this device for transmitting | |
2418 | * beacons, 0 when not valid | |
2419 | * @address: The address for this device, valid only if @netdev is %NULL | |
2420 | * @p2p_started: true if this is a P2P Device that has been started | |
2421 | */ | |
2422 | struct wireless_dev { | |
2423 | struct wiphy *wiphy; | |
2424 | enum nl80211_iftype iftype; | |
2425 | ||
2426 | /* the remainder of this struct should be private to cfg80211 */ | |
2427 | struct list_head list; | |
2428 | struct net_device *netdev; | |
2429 | ||
2430 | u32 identifier; | |
2431 | ||
2432 | struct list_head mgmt_registrations; | |
2433 | spinlock_t mgmt_registrations_lock; | |
2434 | ||
2435 | struct mutex mtx; | |
2436 | ||
2437 | struct work_struct cleanup_work; | |
2438 | ||
2439 | bool use_4addr, p2p_started; | |
2440 | ||
2441 | u8 address[ETH_ALEN] __aligned(sizeof(u16)); | |
2442 | ||
2443 | /* currently used for IBSS and SME - might be rearranged later */ | |
2444 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
2445 | u8 ssid_len, mesh_id_len, mesh_id_up_len; | |
2446 | enum { | |
2447 | CFG80211_SME_IDLE, | |
2448 | CFG80211_SME_CONNECTING, | |
2449 | CFG80211_SME_CONNECTED, | |
2450 | } sme_state; | |
2451 | struct cfg80211_conn *conn; | |
2452 | struct cfg80211_cached_keys *connect_keys; | |
2453 | ||
2454 | struct list_head event_list; | |
2455 | spinlock_t event_lock; | |
2456 | ||
2457 | struct cfg80211_internal_bss *current_bss; /* associated / joined */ | |
2458 | struct ieee80211_channel *preset_chan; | |
2459 | enum nl80211_channel_type preset_chantype; | |
2460 | ||
2461 | /* for AP and mesh channel tracking */ | |
2462 | struct ieee80211_channel *channel; | |
2463 | ||
2464 | bool ibss_fixed; | |
2465 | ||
2466 | bool ps; | |
2467 | int ps_timeout; | |
2468 | ||
2469 | int beacon_interval; | |
2470 | ||
2471 | u32 ap_unexpected_nlportid; | |
2472 | ||
2473 | #ifdef CONFIG_CFG80211_WEXT | |
2474 | /* wext data */ | |
2475 | struct { | |
2476 | struct cfg80211_ibss_params ibss; | |
2477 | struct cfg80211_connect_params connect; | |
2478 | struct cfg80211_cached_keys *keys; | |
2479 | u8 *ie; | |
2480 | size_t ie_len; | |
2481 | u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; | |
2482 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
2483 | s8 default_key, default_mgmt_key; | |
2484 | bool prev_bssid_valid; | |
2485 | } wext; | |
2486 | #endif | |
2487 | }; | |
2488 | ||
2489 | static inline u8 *wdev_address(struct wireless_dev *wdev) | |
2490 | { | |
2491 | if (wdev->netdev) | |
2492 | return wdev->netdev->dev_addr; | |
2493 | return wdev->address; | |
2494 | } | |
2495 | ||
2496 | /** | |
2497 | * wdev_priv - return wiphy priv from wireless_dev | |
2498 | * | |
2499 | * @wdev: The wireless device whose wiphy's priv pointer to return | |
2500 | */ | |
2501 | static inline void *wdev_priv(struct wireless_dev *wdev) | |
2502 | { | |
2503 | BUG_ON(!wdev); | |
2504 | return wiphy_priv(wdev->wiphy); | |
2505 | } | |
2506 | ||
2507 | /** | |
2508 | * DOC: Utility functions | |
2509 | * | |
2510 | * cfg80211 offers a number of utility functions that can be useful. | |
2511 | */ | |
2512 | ||
2513 | /** | |
2514 | * ieee80211_channel_to_frequency - convert channel number to frequency | |
2515 | * @chan: channel number | |
2516 | * @band: band, necessary due to channel number overlap | |
2517 | */ | |
2518 | extern int ieee80211_channel_to_frequency(int chan, enum ieee80211_band band); | |
2519 | ||
2520 | /** | |
2521 | * ieee80211_frequency_to_channel - convert frequency to channel number | |
2522 | * @freq: center frequency | |
2523 | */ | |
2524 | extern int ieee80211_frequency_to_channel(int freq); | |
2525 | ||
2526 | /* | |
2527 | * Name indirection necessary because the ieee80211 code also has | |
2528 | * a function named "ieee80211_get_channel", so if you include | |
2529 | * cfg80211's header file you get cfg80211's version, if you try | |
2530 | * to include both header files you'll (rightfully!) get a symbol | |
2531 | * clash. | |
2532 | */ | |
2533 | extern struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy, | |
2534 | int freq); | |
2535 | /** | |
2536 | * ieee80211_get_channel - get channel struct from wiphy for specified frequency | |
2537 | * @wiphy: the struct wiphy to get the channel for | |
2538 | * @freq: the center frequency of the channel | |
2539 | */ | |
2540 | static inline struct ieee80211_channel * | |
2541 | ieee80211_get_channel(struct wiphy *wiphy, int freq) | |
2542 | { | |
2543 | return __ieee80211_get_channel(wiphy, freq); | |
2544 | } | |
2545 | ||
2546 | /** | |
2547 | * ieee80211_get_response_rate - get basic rate for a given rate | |
2548 | * | |
2549 | * @sband: the band to look for rates in | |
2550 | * @basic_rates: bitmap of basic rates | |
2551 | * @bitrate: the bitrate for which to find the basic rate | |
2552 | * | |
2553 | * This function returns the basic rate corresponding to a given | |
2554 | * bitrate, that is the next lower bitrate contained in the basic | |
2555 | * rate map, which is, for this function, given as a bitmap of | |
2556 | * indices of rates in the band's bitrate table. | |
2557 | */ | |
2558 | struct ieee80211_rate * | |
2559 | ieee80211_get_response_rate(struct ieee80211_supported_band *sband, | |
2560 | u32 basic_rates, int bitrate); | |
2561 | ||
2562 | /* | |
2563 | * Radiotap parsing functions -- for controlled injection support | |
2564 | * | |
2565 | * Implemented in net/wireless/radiotap.c | |
2566 | * Documentation in Documentation/networking/radiotap-headers.txt | |
2567 | */ | |
2568 | ||
2569 | struct radiotap_align_size { | |
2570 | uint8_t align:4, size:4; | |
2571 | }; | |
2572 | ||
2573 | struct ieee80211_radiotap_namespace { | |
2574 | const struct radiotap_align_size *align_size; | |
2575 | int n_bits; | |
2576 | uint32_t oui; | |
2577 | uint8_t subns; | |
2578 | }; | |
2579 | ||
2580 | struct ieee80211_radiotap_vendor_namespaces { | |
2581 | const struct ieee80211_radiotap_namespace *ns; | |
2582 | int n_ns; | |
2583 | }; | |
2584 | ||
2585 | /** | |
2586 | * struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args | |
2587 | * @this_arg_index: index of current arg, valid after each successful call | |
2588 | * to ieee80211_radiotap_iterator_next() | |
2589 | * @this_arg: pointer to current radiotap arg; it is valid after each | |
2590 | * call to ieee80211_radiotap_iterator_next() but also after | |
2591 | * ieee80211_radiotap_iterator_init() where it will point to | |
2592 | * the beginning of the actual data portion | |
2593 | * @this_arg_size: length of the current arg, for convenience | |
2594 | * @current_namespace: pointer to the current namespace definition | |
2595 | * (or internally %NULL if the current namespace is unknown) | |
2596 | * @is_radiotap_ns: indicates whether the current namespace is the default | |
2597 | * radiotap namespace or not | |
2598 | * | |
2599 | * @_rtheader: pointer to the radiotap header we are walking through | |
2600 | * @_max_length: length of radiotap header in cpu byte ordering | |
2601 | * @_arg_index: next argument index | |
2602 | * @_arg: next argument pointer | |
2603 | * @_next_bitmap: internal pointer to next present u32 | |
2604 | * @_bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present | |
2605 | * @_vns: vendor namespace definitions | |
2606 | * @_next_ns_data: beginning of the next namespace's data | |
2607 | * @_reset_on_ext: internal; reset the arg index to 0 when going to the | |
2608 | * next bitmap word | |
2609 | * | |
2610 | * Describes the radiotap parser state. Fields prefixed with an underscore | |
2611 | * must not be used by users of the parser, only by the parser internally. | |
2612 | */ | |
2613 | ||
2614 | struct ieee80211_radiotap_iterator { | |
2615 | struct ieee80211_radiotap_header *_rtheader; | |
2616 | const struct ieee80211_radiotap_vendor_namespaces *_vns; | |
2617 | const struct ieee80211_radiotap_namespace *current_namespace; | |
2618 | ||
2619 | unsigned char *_arg, *_next_ns_data; | |
2620 | __le32 *_next_bitmap; | |
2621 | ||
2622 | unsigned char *this_arg; | |
2623 | int this_arg_index; | |
2624 | int this_arg_size; | |
2625 | ||
2626 | int is_radiotap_ns; | |
2627 | ||
2628 | int _max_length; | |
2629 | int _arg_index; | |
2630 | uint32_t _bitmap_shifter; | |
2631 | int _reset_on_ext; | |
2632 | }; | |
2633 | ||
2634 | extern int ieee80211_radiotap_iterator_init( | |
2635 | struct ieee80211_radiotap_iterator *iterator, | |
2636 | struct ieee80211_radiotap_header *radiotap_header, | |
2637 | int max_length, const struct ieee80211_radiotap_vendor_namespaces *vns); | |
2638 | ||
2639 | extern int ieee80211_radiotap_iterator_next( | |
2640 | struct ieee80211_radiotap_iterator *iterator); | |
2641 | ||
2642 | ||
2643 | extern const unsigned char rfc1042_header[6]; | |
2644 | extern const unsigned char bridge_tunnel_header[6]; | |
2645 | ||
2646 | /** | |
2647 | * ieee80211_get_hdrlen_from_skb - get header length from data | |
2648 | * | |
2649 | * Given an skb with a raw 802.11 header at the data pointer this function | |
2650 | * returns the 802.11 header length in bytes (not including encryption | |
2651 | * headers). If the data in the sk_buff is too short to contain a valid 802.11 | |
2652 | * header the function returns 0. | |
2653 | * | |
2654 | * @skb: the frame | |
2655 | */ | |
2656 | unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb); | |
2657 | ||
2658 | /** | |
2659 | * ieee80211_hdrlen - get header length in bytes from frame control | |
2660 | * @fc: frame control field in little-endian format | |
2661 | */ | |
2662 | unsigned int __attribute_const__ ieee80211_hdrlen(__le16 fc); | |
2663 | ||
2664 | /** | |
2665 | * DOC: Data path helpers | |
2666 | * | |
2667 | * In addition to generic utilities, cfg80211 also offers | |
2668 | * functions that help implement the data path for devices | |
2669 | * that do not do the 802.11/802.3 conversion on the device. | |
2670 | */ | |
2671 | ||
2672 | /** | |
2673 | * ieee80211_data_to_8023 - convert an 802.11 data frame to 802.3 | |
2674 | * @skb: the 802.11 data frame | |
2675 | * @addr: the device MAC address | |
2676 | * @iftype: the virtual interface type | |
2677 | */ | |
2678 | int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr, | |
2679 | enum nl80211_iftype iftype); | |
2680 | ||
2681 | /** | |
2682 | * ieee80211_data_from_8023 - convert an 802.3 frame to 802.11 | |
2683 | * @skb: the 802.3 frame | |
2684 | * @addr: the device MAC address | |
2685 | * @iftype: the virtual interface type | |
2686 | * @bssid: the network bssid (used only for iftype STATION and ADHOC) | |
2687 | * @qos: build 802.11 QoS data frame | |
2688 | */ | |
2689 | int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr, | |
2690 | enum nl80211_iftype iftype, u8 *bssid, bool qos); | |
2691 | ||
2692 | /** | |
2693 | * ieee80211_amsdu_to_8023s - decode an IEEE 802.11n A-MSDU frame | |
2694 | * | |
2695 | * Decode an IEEE 802.11n A-MSDU frame and convert it to a list of | |
2696 | * 802.3 frames. The @list will be empty if the decode fails. The | |
2697 | * @skb is consumed after the function returns. | |
2698 | * | |
2699 | * @skb: The input IEEE 802.11n A-MSDU frame. | |
2700 | * @list: The output list of 802.3 frames. It must be allocated and | |
2701 | * initialized by by the caller. | |
2702 | * @addr: The device MAC address. | |
2703 | * @iftype: The device interface type. | |
2704 | * @extra_headroom: The hardware extra headroom for SKBs in the @list. | |
2705 | * @has_80211_header: Set it true if SKB is with IEEE 802.11 header. | |
2706 | */ | |
2707 | void ieee80211_amsdu_to_8023s(struct sk_buff *skb, struct sk_buff_head *list, | |
2708 | const u8 *addr, enum nl80211_iftype iftype, | |
2709 | const unsigned int extra_headroom, | |
2710 | bool has_80211_header); | |
2711 | ||
2712 | /** | |
2713 | * cfg80211_classify8021d - determine the 802.1p/1d tag for a data frame | |
2714 | * @skb: the data frame | |
2715 | */ | |
2716 | unsigned int cfg80211_classify8021d(struct sk_buff *skb); | |
2717 | ||
2718 | /** | |
2719 | * cfg80211_find_ie - find information element in data | |
2720 | * | |
2721 | * @eid: element ID | |
2722 | * @ies: data consisting of IEs | |
2723 | * @len: length of data | |
2724 | * | |
2725 | * This function will return %NULL if the element ID could | |
2726 | * not be found or if the element is invalid (claims to be | |
2727 | * longer than the given data), or a pointer to the first byte | |
2728 | * of the requested element, that is the byte containing the | |
2729 | * element ID. There are no checks on the element length | |
2730 | * other than having to fit into the given data. | |
2731 | */ | |
2732 | const u8 *cfg80211_find_ie(u8 eid, const u8 *ies, int len); | |
2733 | ||
2734 | /** | |
2735 | * cfg80211_find_vendor_ie - find vendor specific information element in data | |
2736 | * | |
2737 | * @oui: vendor OUI | |
2738 | * @oui_type: vendor-specific OUI type | |
2739 | * @ies: data consisting of IEs | |
2740 | * @len: length of data | |
2741 | * | |
2742 | * This function will return %NULL if the vendor specific element ID | |
2743 | * could not be found or if the element is invalid (claims to be | |
2744 | * longer than the given data), or a pointer to the first byte | |
2745 | * of the requested element, that is the byte containing the | |
2746 | * element ID. There are no checks on the element length | |
2747 | * other than having to fit into the given data. | |
2748 | */ | |
2749 | const u8 *cfg80211_find_vendor_ie(unsigned int oui, u8 oui_type, | |
2750 | const u8 *ies, int len); | |
2751 | ||
2752 | /** | |
2753 | * DOC: Regulatory enforcement infrastructure | |
2754 | * | |
2755 | * TODO | |
2756 | */ | |
2757 | ||
2758 | /** | |
2759 | * regulatory_hint - driver hint to the wireless core a regulatory domain | |
2760 | * @wiphy: the wireless device giving the hint (used only for reporting | |
2761 | * conflicts) | |
2762 | * @alpha2: the ISO/IEC 3166 alpha2 the driver claims its regulatory domain | |
2763 | * should be in. If @rd is set this should be NULL. Note that if you | |
2764 | * set this to NULL you should still set rd->alpha2 to some accepted | |
2765 | * alpha2. | |
2766 | * | |
2767 | * Wireless drivers can use this function to hint to the wireless core | |
2768 | * what it believes should be the current regulatory domain by | |
2769 | * giving it an ISO/IEC 3166 alpha2 country code it knows its regulatory | |
2770 | * domain should be in or by providing a completely build regulatory domain. | |
2771 | * If the driver provides an ISO/IEC 3166 alpha2 userspace will be queried | |
2772 | * for a regulatory domain structure for the respective country. | |
2773 | * | |
2774 | * The wiphy must have been registered to cfg80211 prior to this call. | |
2775 | * For cfg80211 drivers this means you must first use wiphy_register(), | |
2776 | * for mac80211 drivers you must first use ieee80211_register_hw(). | |
2777 | * | |
2778 | * Drivers should check the return value, its possible you can get | |
2779 | * an -ENOMEM. | |
2780 | */ | |
2781 | extern int regulatory_hint(struct wiphy *wiphy, const char *alpha2); | |
2782 | ||
2783 | /** | |
2784 | * wiphy_apply_custom_regulatory - apply a custom driver regulatory domain | |
2785 | * @wiphy: the wireless device we want to process the regulatory domain on | |
2786 | * @regd: the custom regulatory domain to use for this wiphy | |
2787 | * | |
2788 | * Drivers can sometimes have custom regulatory domains which do not apply | |
2789 | * to a specific country. Drivers can use this to apply such custom regulatory | |
2790 | * domains. This routine must be called prior to wiphy registration. The | |
2791 | * custom regulatory domain will be trusted completely and as such previous | |
2792 | * default channel settings will be disregarded. If no rule is found for a | |
2793 | * channel on the regulatory domain the channel will be disabled. | |
2794 | */ | |
2795 | extern void wiphy_apply_custom_regulatory( | |
2796 | struct wiphy *wiphy, | |
2797 | const struct ieee80211_regdomain *regd); | |
2798 | ||
2799 | /** | |
2800 | * freq_reg_info - get regulatory information for the given frequency | |
2801 | * @wiphy: the wiphy for which we want to process this rule for | |
2802 | * @center_freq: Frequency in KHz for which we want regulatory information for | |
2803 | * @desired_bw_khz: the desired max bandwidth you want to use per | |
2804 | * channel. Note that this is still 20 MHz if you want to use HT40 | |
2805 | * as HT40 makes use of two channels for its 40 MHz width bandwidth. | |
2806 | * If set to 0 we'll assume you want the standard 20 MHz. | |
2807 | * @reg_rule: the regulatory rule which we have for this frequency | |
2808 | * | |
2809 | * Use this function to get the regulatory rule for a specific frequency on | |
2810 | * a given wireless device. If the device has a specific regulatory domain | |
2811 | * it wants to follow we respect that unless a country IE has been received | |
2812 | * and processed already. | |
2813 | * | |
2814 | * Returns 0 if it was able to find a valid regulatory rule which does | |
2815 | * apply to the given center_freq otherwise it returns non-zero. It will | |
2816 | * also return -ERANGE if we determine the given center_freq does not even have | |
2817 | * a regulatory rule for a frequency range in the center_freq's band. See | |
2818 | * freq_in_rule_band() for our current definition of a band -- this is purely | |
2819 | * subjective and right now its 802.11 specific. | |
2820 | */ | |
2821 | extern int freq_reg_info(struct wiphy *wiphy, | |
2822 | u32 center_freq, | |
2823 | u32 desired_bw_khz, | |
2824 | const struct ieee80211_reg_rule **reg_rule); | |
2825 | ||
2826 | /* | |
2827 | * callbacks for asynchronous cfg80211 methods, notification | |
2828 | * functions and BSS handling helpers | |
2829 | */ | |
2830 | ||
2831 | /** | |
2832 | * cfg80211_scan_done - notify that scan finished | |
2833 | * | |
2834 | * @request: the corresponding scan request | |
2835 | * @aborted: set to true if the scan was aborted for any reason, | |
2836 | * userspace will be notified of that | |
2837 | */ | |
2838 | void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted); | |
2839 | ||
2840 | /** | |
2841 | * cfg80211_sched_scan_results - notify that new scan results are available | |
2842 | * | |
2843 | * @wiphy: the wiphy which got scheduled scan results | |
2844 | */ | |
2845 | void cfg80211_sched_scan_results(struct wiphy *wiphy); | |
2846 | ||
2847 | /** | |
2848 | * cfg80211_sched_scan_stopped - notify that the scheduled scan has stopped | |
2849 | * | |
2850 | * @wiphy: the wiphy on which the scheduled scan stopped | |
2851 | * | |
2852 | * The driver can call this function to inform cfg80211 that the | |
2853 | * scheduled scan had to be stopped, for whatever reason. The driver | |
2854 | * is then called back via the sched_scan_stop operation when done. | |
2855 | */ | |
2856 | void cfg80211_sched_scan_stopped(struct wiphy *wiphy); | |
2857 | ||
2858 | /** | |
2859 | * cfg80211_inform_bss_frame - inform cfg80211 of a received BSS frame | |
2860 | * | |
2861 | * @wiphy: the wiphy reporting the BSS | |
2862 | * @channel: The channel the frame was received on | |
2863 | * @mgmt: the management frame (probe response or beacon) | |
2864 | * @len: length of the management frame | |
2865 | * @signal: the signal strength, type depends on the wiphy's signal_type | |
2866 | * @gfp: context flags | |
2867 | * | |
2868 | * This informs cfg80211 that BSS information was found and | |
2869 | * the BSS should be updated/added. | |
2870 | * | |
2871 | * NOTE: Returns a referenced struct, must be released with cfg80211_put_bss()! | |
2872 | */ | |
2873 | struct cfg80211_bss * __must_check | |
2874 | cfg80211_inform_bss_frame(struct wiphy *wiphy, | |
2875 | struct ieee80211_channel *channel, | |
2876 | struct ieee80211_mgmt *mgmt, size_t len, | |
2877 | s32 signal, gfp_t gfp); | |
2878 | ||
2879 | /** | |
2880 | * cfg80211_inform_bss - inform cfg80211 of a new BSS | |
2881 | * | |
2882 | * @wiphy: the wiphy reporting the BSS | |
2883 | * @channel: The channel the frame was received on | |
2884 | * @bssid: the BSSID of the BSS | |
2885 | * @tsf: the TSF sent by the peer in the beacon/probe response (or 0) | |
2886 | * @capability: the capability field sent by the peer | |
2887 | * @beacon_interval: the beacon interval announced by the peer | |
2888 | * @ie: additional IEs sent by the peer | |
2889 | * @ielen: length of the additional IEs | |
2890 | * @signal: the signal strength, type depends on the wiphy's signal_type | |
2891 | * @gfp: context flags | |
2892 | * | |
2893 | * This informs cfg80211 that BSS information was found and | |
2894 | * the BSS should be updated/added. | |
2895 | * | |
2896 | * NOTE: Returns a referenced struct, must be released with cfg80211_put_bss()! | |
2897 | */ | |
2898 | struct cfg80211_bss * __must_check | |
2899 | cfg80211_inform_bss(struct wiphy *wiphy, | |
2900 | struct ieee80211_channel *channel, | |
2901 | const u8 *bssid, u64 tsf, u16 capability, | |
2902 | u16 beacon_interval, const u8 *ie, size_t ielen, | |
2903 | s32 signal, gfp_t gfp); | |
2904 | ||
2905 | struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy, | |
2906 | struct ieee80211_channel *channel, | |
2907 | const u8 *bssid, | |
2908 | const u8 *ssid, size_t ssid_len, | |
2909 | u16 capa_mask, u16 capa_val); | |
2910 | static inline struct cfg80211_bss * | |
2911 | cfg80211_get_ibss(struct wiphy *wiphy, | |
2912 | struct ieee80211_channel *channel, | |
2913 | const u8 *ssid, size_t ssid_len) | |
2914 | { | |
2915 | return cfg80211_get_bss(wiphy, channel, NULL, ssid, ssid_len, | |
2916 | WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS); | |
2917 | } | |
2918 | ||
2919 | struct cfg80211_bss *cfg80211_get_mesh(struct wiphy *wiphy, | |
2920 | struct ieee80211_channel *channel, | |
2921 | const u8 *meshid, size_t meshidlen, | |
2922 | const u8 *meshcfg); | |
2923 | /** | |
2924 | * cfg80211_ref_bss - reference BSS struct | |
2925 | * @bss: the BSS struct to reference | |
2926 | * | |
2927 | * Increments the refcount of the given BSS struct. | |
2928 | */ | |
2929 | void cfg80211_ref_bss(struct cfg80211_bss *bss); | |
2930 | ||
2931 | /** | |
2932 | * cfg80211_put_bss - unref BSS struct | |
2933 | * @bss: the BSS struct | |
2934 | * | |
2935 | * Decrements the refcount of the given BSS struct. | |
2936 | */ | |
2937 | void cfg80211_put_bss(struct cfg80211_bss *bss); | |
2938 | ||
2939 | /** | |
2940 | * cfg80211_unlink_bss - unlink BSS from internal data structures | |
2941 | * @wiphy: the wiphy | |
2942 | * @bss: the bss to remove | |
2943 | * | |
2944 | * This function removes the given BSS from the internal data structures | |
2945 | * thereby making it no longer show up in scan results etc. Use this | |
2946 | * function when you detect a BSS is gone. Normally BSSes will also time | |
2947 | * out, so it is not necessary to use this function at all. | |
2948 | */ | |
2949 | void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss); | |
2950 | ||
2951 | /** | |
2952 | * cfg80211_send_rx_auth - notification of processed authentication | |
2953 | * @dev: network device | |
2954 | * @buf: authentication frame (header + body) | |
2955 | * @len: length of the frame data | |
2956 | * | |
2957 | * This function is called whenever an authentication has been processed in | |
2958 | * station mode. The driver is required to call either this function or | |
2959 | * cfg80211_send_auth_timeout() to indicate the result of cfg80211_ops::auth() | |
2960 | * call. This function may sleep. | |
2961 | */ | |
2962 | void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len); | |
2963 | ||
2964 | /** | |
2965 | * cfg80211_send_auth_timeout - notification of timed out authentication | |
2966 | * @dev: network device | |
2967 | * @addr: The MAC address of the device with which the authentication timed out | |
2968 | * | |
2969 | * This function may sleep. | |
2970 | */ | |
2971 | void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr); | |
2972 | ||
2973 | /** | |
2974 | * cfg80211_send_rx_assoc - notification of processed association | |
2975 | * @dev: network device | |
2976 | * @bss: the BSS struct association was requested for, the struct reference | |
2977 | * is owned by cfg80211 after this call | |
2978 | * @buf: (re)association response frame (header + body) | |
2979 | * @len: length of the frame data | |
2980 | * | |
2981 | * This function is called whenever a (re)association response has been | |
2982 | * processed in station mode. The driver is required to call either this | |
2983 | * function or cfg80211_send_assoc_timeout() to indicate the result of | |
2984 | * cfg80211_ops::assoc() call. This function may sleep. | |
2985 | */ | |
2986 | void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss, | |
2987 | const u8 *buf, size_t len); | |
2988 | ||
2989 | /** | |
2990 | * cfg80211_send_assoc_timeout - notification of timed out association | |
2991 | * @dev: network device | |
2992 | * @addr: The MAC address of the device with which the association timed out | |
2993 | * | |
2994 | * This function may sleep. | |
2995 | */ | |
2996 | void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr); | |
2997 | ||
2998 | /** | |
2999 | * cfg80211_send_deauth - notification of processed deauthentication | |
3000 | * @dev: network device | |
3001 | * @buf: deauthentication frame (header + body) | |
3002 | * @len: length of the frame data | |
3003 | * | |
3004 | * This function is called whenever deauthentication has been processed in | |
3005 | * station mode. This includes both received deauthentication frames and | |
3006 | * locally generated ones. This function may sleep. | |
3007 | */ | |
3008 | void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len); | |
3009 | ||
3010 | /** | |
3011 | * __cfg80211_send_deauth - notification of processed deauthentication | |
3012 | * @dev: network device | |
3013 | * @buf: deauthentication frame (header + body) | |
3014 | * @len: length of the frame data | |
3015 | * | |
3016 | * Like cfg80211_send_deauth(), but doesn't take the wdev lock. | |
3017 | */ | |
3018 | void __cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len); | |
3019 | ||
3020 | /** | |
3021 | * cfg80211_send_disassoc - notification of processed disassociation | |
3022 | * @dev: network device | |
3023 | * @buf: disassociation response frame (header + body) | |
3024 | * @len: length of the frame data | |
3025 | * | |
3026 | * This function is called whenever disassociation has been processed in | |
3027 | * station mode. This includes both received disassociation frames and locally | |
3028 | * generated ones. This function may sleep. | |
3029 | */ | |
3030 | void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len); | |
3031 | ||
3032 | /** | |
3033 | * __cfg80211_send_disassoc - notification of processed disassociation | |
3034 | * @dev: network device | |
3035 | * @buf: disassociation response frame (header + body) | |
3036 | * @len: length of the frame data | |
3037 | * | |
3038 | * Like cfg80211_send_disassoc(), but doesn't take the wdev lock. | |
3039 | */ | |
3040 | void __cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, | |
3041 | size_t len); | |
3042 | ||
3043 | /** | |
3044 | * cfg80211_send_unprot_deauth - notification of unprotected deauthentication | |
3045 | * @dev: network device | |
3046 | * @buf: deauthentication frame (header + body) | |
3047 | * @len: length of the frame data | |
3048 | * | |
3049 | * This function is called whenever a received Deauthentication frame has been | |
3050 | * dropped in station mode because of MFP being used but the Deauthentication | |
3051 | * frame was not protected. This function may sleep. | |
3052 | */ | |
3053 | void cfg80211_send_unprot_deauth(struct net_device *dev, const u8 *buf, | |
3054 | size_t len); | |
3055 | ||
3056 | /** | |
3057 | * cfg80211_send_unprot_disassoc - notification of unprotected disassociation | |
3058 | * @dev: network device | |
3059 | * @buf: disassociation frame (header + body) | |
3060 | * @len: length of the frame data | |
3061 | * | |
3062 | * This function is called whenever a received Disassociation frame has been | |
3063 | * dropped in station mode because of MFP being used but the Disassociation | |
3064 | * frame was not protected. This function may sleep. | |
3065 | */ | |
3066 | void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf, | |
3067 | size_t len); | |
3068 | ||
3069 | /** | |
3070 | * cfg80211_michael_mic_failure - notification of Michael MIC failure (TKIP) | |
3071 | * @dev: network device | |
3072 | * @addr: The source MAC address of the frame | |
3073 | * @key_type: The key type that the received frame used | |
3074 | * @key_id: Key identifier (0..3). Can be -1 if missing. | |
3075 | * @tsc: The TSC value of the frame that generated the MIC failure (6 octets) | |
3076 | * @gfp: allocation flags | |
3077 | * | |
3078 | * This function is called whenever the local MAC detects a MIC failure in a | |
3079 | * received frame. This matches with MLME-MICHAELMICFAILURE.indication() | |
3080 | * primitive. | |
3081 | */ | |
3082 | void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr, | |
3083 | enum nl80211_key_type key_type, int key_id, | |
3084 | const u8 *tsc, gfp_t gfp); | |
3085 | ||
3086 | /** | |
3087 | * cfg80211_ibss_joined - notify cfg80211 that device joined an IBSS | |
3088 | * | |
3089 | * @dev: network device | |
3090 | * @bssid: the BSSID of the IBSS joined | |
3091 | * @gfp: allocation flags | |
3092 | * | |
3093 | * This function notifies cfg80211 that the device joined an IBSS or | |
3094 | * switched to a different BSSID. Before this function can be called, | |
3095 | * either a beacon has to have been received from the IBSS, or one of | |
3096 | * the cfg80211_inform_bss{,_frame} functions must have been called | |
3097 | * with the locally generated beacon -- this guarantees that there is | |
3098 | * always a scan result for this IBSS. cfg80211 will handle the rest. | |
3099 | */ | |
3100 | void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp); | |
3101 | ||
3102 | /** | |
3103 | * cfg80211_notify_new_candidate - notify cfg80211 of a new mesh peer candidate | |
3104 | * | |
3105 | * @dev: network device | |
3106 | * @macaddr: the MAC address of the new candidate | |
3107 | * @ie: information elements advertised by the peer candidate | |
3108 | * @ie_len: lenght of the information elements buffer | |
3109 | * @gfp: allocation flags | |
3110 | * | |
3111 | * This function notifies cfg80211 that the mesh peer candidate has been | |
3112 | * detected, most likely via a beacon or, less likely, via a probe response. | |
3113 | * cfg80211 then sends a notification to userspace. | |
3114 | */ | |
3115 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, | |
3116 | const u8 *macaddr, const u8 *ie, u8 ie_len, gfp_t gfp); | |
3117 | ||
3118 | /** | |
3119 | * DOC: RFkill integration | |
3120 | * | |
3121 | * RFkill integration in cfg80211 is almost invisible to drivers, | |
3122 | * as cfg80211 automatically registers an rfkill instance for each | |
3123 | * wireless device it knows about. Soft kill is also translated | |
3124 | * into disconnecting and turning all interfaces off, drivers are | |
3125 | * expected to turn off the device when all interfaces are down. | |
3126 | * | |
3127 | * However, devices may have a hard RFkill line, in which case they | |
3128 | * also need to interact with the rfkill subsystem, via cfg80211. | |
3129 | * They can do this with a few helper functions documented here. | |
3130 | */ | |
3131 | ||
3132 | /** | |
3133 | * wiphy_rfkill_set_hw_state - notify cfg80211 about hw block state | |
3134 | * @wiphy: the wiphy | |
3135 | * @blocked: block status | |
3136 | */ | |
3137 | void wiphy_rfkill_set_hw_state(struct wiphy *wiphy, bool blocked); | |
3138 | ||
3139 | /** | |
3140 | * wiphy_rfkill_start_polling - start polling rfkill | |
3141 | * @wiphy: the wiphy | |
3142 | */ | |
3143 | void wiphy_rfkill_start_polling(struct wiphy *wiphy); | |
3144 | ||
3145 | /** | |
3146 | * wiphy_rfkill_stop_polling - stop polling rfkill | |
3147 | * @wiphy: the wiphy | |
3148 | */ | |
3149 | void wiphy_rfkill_stop_polling(struct wiphy *wiphy); | |
3150 | ||
3151 | #ifdef CONFIG_NL80211_TESTMODE | |
3152 | /** | |
3153 | * DOC: Test mode | |
3154 | * | |
3155 | * Test mode is a set of utility functions to allow drivers to | |
3156 | * interact with driver-specific tools to aid, for instance, | |
3157 | * factory programming. | |
3158 | * | |
3159 | * This chapter describes how drivers interact with it, for more | |
3160 | * information see the nl80211 book's chapter on it. | |
3161 | */ | |
3162 | ||
3163 | /** | |
3164 | * cfg80211_testmode_alloc_reply_skb - allocate testmode reply | |
3165 | * @wiphy: the wiphy | |
3166 | * @approxlen: an upper bound of the length of the data that will | |
3167 | * be put into the skb | |
3168 | * | |
3169 | * This function allocates and pre-fills an skb for a reply to | |
3170 | * the testmode command. Since it is intended for a reply, calling | |
3171 | * it outside of the @testmode_cmd operation is invalid. | |
3172 | * | |
3173 | * The returned skb (or %NULL if any errors happen) is pre-filled | |
3174 | * with the wiphy index and set up in a way that any data that is | |
3175 | * put into the skb (with skb_put(), nla_put() or similar) will end | |
3176 | * up being within the %NL80211_ATTR_TESTDATA attribute, so all that | |
3177 | * needs to be done with the skb is adding data for the corresponding | |
3178 | * userspace tool which can then read that data out of the testdata | |
3179 | * attribute. You must not modify the skb in any other way. | |
3180 | * | |
3181 | * When done, call cfg80211_testmode_reply() with the skb and return | |
3182 | * its error code as the result of the @testmode_cmd operation. | |
3183 | */ | |
3184 | struct sk_buff *cfg80211_testmode_alloc_reply_skb(struct wiphy *wiphy, | |
3185 | int approxlen); | |
3186 | ||
3187 | /** | |
3188 | * cfg80211_testmode_reply - send the reply skb | |
3189 | * @skb: The skb, must have been allocated with | |
3190 | * cfg80211_testmode_alloc_reply_skb() | |
3191 | * | |
3192 | * Returns an error code or 0 on success, since calling this | |
3193 | * function will usually be the last thing before returning | |
3194 | * from the @testmode_cmd you should return the error code. | |
3195 | * Note that this function consumes the skb regardless of the | |
3196 | * return value. | |
3197 | */ | |
3198 | int cfg80211_testmode_reply(struct sk_buff *skb); | |
3199 | ||
3200 | /** | |
3201 | * cfg80211_testmode_alloc_event_skb - allocate testmode event | |
3202 | * @wiphy: the wiphy | |
3203 | * @approxlen: an upper bound of the length of the data that will | |
3204 | * be put into the skb | |
3205 | * @gfp: allocation flags | |
3206 | * | |
3207 | * This function allocates and pre-fills an skb for an event on the | |
3208 | * testmode multicast group. | |
3209 | * | |
3210 | * The returned skb (or %NULL if any errors happen) is set up in the | |
3211 | * same way as with cfg80211_testmode_alloc_reply_skb() but prepared | |
3212 | * for an event. As there, you should simply add data to it that will | |
3213 | * then end up in the %NL80211_ATTR_TESTDATA attribute. Again, you must | |
3214 | * not modify the skb in any other way. | |
3215 | * | |
3216 | * When done filling the skb, call cfg80211_testmode_event() with the | |
3217 | * skb to send the event. | |
3218 | */ | |
3219 | struct sk_buff *cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, | |
3220 | int approxlen, gfp_t gfp); | |
3221 | ||
3222 | /** | |
3223 | * cfg80211_testmode_event - send the event | |
3224 | * @skb: The skb, must have been allocated with | |
3225 | * cfg80211_testmode_alloc_event_skb() | |
3226 | * @gfp: allocation flags | |
3227 | * | |
3228 | * This function sends the given @skb, which must have been allocated | |
3229 | * by cfg80211_testmode_alloc_event_skb(), as an event. It always | |
3230 | * consumes it. | |
3231 | */ | |
3232 | void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp); | |
3233 | ||
3234 | #define CFG80211_TESTMODE_CMD(cmd) .testmode_cmd = (cmd), | |
3235 | #define CFG80211_TESTMODE_DUMP(cmd) .testmode_dump = (cmd), | |
3236 | #else | |
3237 | #define CFG80211_TESTMODE_CMD(cmd) | |
3238 | #define CFG80211_TESTMODE_DUMP(cmd) | |
3239 | #endif | |
3240 | ||
3241 | /** | |
3242 | * cfg80211_connect_result - notify cfg80211 of connection result | |
3243 | * | |
3244 | * @dev: network device | |
3245 | * @bssid: the BSSID of the AP | |
3246 | * @req_ie: association request IEs (maybe be %NULL) | |
3247 | * @req_ie_len: association request IEs length | |
3248 | * @resp_ie: association response IEs (may be %NULL) | |
3249 | * @resp_ie_len: assoc response IEs length | |
3250 | * @status: status code, 0 for successful connection, use | |
3251 | * %WLAN_STATUS_UNSPECIFIED_FAILURE if your device cannot give you | |
3252 | * the real status code for failures. | |
3253 | * @gfp: allocation flags | |
3254 | * | |
3255 | * It should be called by the underlying driver whenever connect() has | |
3256 | * succeeded. | |
3257 | */ | |
3258 | void cfg80211_connect_result(struct net_device *dev, const u8 *bssid, | |
3259 | const u8 *req_ie, size_t req_ie_len, | |
3260 | const u8 *resp_ie, size_t resp_ie_len, | |
3261 | u16 status, gfp_t gfp); | |
3262 | ||
3263 | /** | |
3264 | * cfg80211_roamed - notify cfg80211 of roaming | |
3265 | * | |
3266 | * @dev: network device | |
3267 | * @channel: the channel of the new AP | |
3268 | * @bssid: the BSSID of the new AP | |
3269 | * @req_ie: association request IEs (maybe be %NULL) | |
3270 | * @req_ie_len: association request IEs length | |
3271 | * @resp_ie: association response IEs (may be %NULL) | |
3272 | * @resp_ie_len: assoc response IEs length | |
3273 | * @gfp: allocation flags | |
3274 | * | |
3275 | * It should be called by the underlying driver whenever it roamed | |
3276 | * from one AP to another while connected. | |
3277 | */ | |
3278 | void cfg80211_roamed(struct net_device *dev, | |
3279 | struct ieee80211_channel *channel, | |
3280 | const u8 *bssid, | |
3281 | const u8 *req_ie, size_t req_ie_len, | |
3282 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp); | |
3283 | ||
3284 | /** | |
3285 | * cfg80211_roamed_bss - notify cfg80211 of roaming | |
3286 | * | |
3287 | * @dev: network device | |
3288 | * @bss: entry of bss to which STA got roamed | |
3289 | * @req_ie: association request IEs (maybe be %NULL) | |
3290 | * @req_ie_len: association request IEs length | |
3291 | * @resp_ie: association response IEs (may be %NULL) | |
3292 | * @resp_ie_len: assoc response IEs length | |
3293 | * @gfp: allocation flags | |
3294 | * | |
3295 | * This is just a wrapper to notify cfg80211 of roaming event with driver | |
3296 | * passing bss to avoid a race in timeout of the bss entry. It should be | |
3297 | * called by the underlying driver whenever it roamed from one AP to another | |
3298 | * while connected. Drivers which have roaming implemented in firmware | |
3299 | * may use this function to avoid a race in bss entry timeout where the bss | |
3300 | * entry of the new AP is seen in the driver, but gets timed out by the time | |
3301 | * it is accessed in __cfg80211_roamed() due to delay in scheduling | |
3302 | * rdev->event_work. In case of any failures, the reference is released | |
3303 | * either in cfg80211_roamed_bss() or in __cfg80211_romed(), Otherwise, | |
3304 | * it will be released while diconneting from the current bss. | |
3305 | */ | |
3306 | void cfg80211_roamed_bss(struct net_device *dev, struct cfg80211_bss *bss, | |
3307 | const u8 *req_ie, size_t req_ie_len, | |
3308 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp); | |
3309 | ||
3310 | /** | |
3311 | * cfg80211_disconnected - notify cfg80211 that connection was dropped | |
3312 | * | |
3313 | * @dev: network device | |
3314 | * @ie: information elements of the deauth/disassoc frame (may be %NULL) | |
3315 | * @ie_len: length of IEs | |
3316 | * @reason: reason code for the disconnection, set it to 0 if unknown | |
3317 | * @gfp: allocation flags | |
3318 | * | |
3319 | * After it calls this function, the driver should enter an idle state | |
3320 | * and not try to connect to any AP any more. | |
3321 | */ | |
3322 | void cfg80211_disconnected(struct net_device *dev, u16 reason, | |
3323 | u8 *ie, size_t ie_len, gfp_t gfp); | |
3324 | ||
3325 | /** | |
3326 | * cfg80211_ready_on_channel - notification of remain_on_channel start | |
3327 | * @wdev: wireless device | |
3328 | * @cookie: the request cookie | |
3329 | * @chan: The current channel (from remain_on_channel request) | |
3330 | * @channel_type: Channel type | |
3331 | * @duration: Duration in milliseconds that the driver intents to remain on the | |
3332 | * channel | |
3333 | * @gfp: allocation flags | |
3334 | */ | |
3335 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, | |
3336 | struct ieee80211_channel *chan, | |
3337 | enum nl80211_channel_type channel_type, | |
3338 | unsigned int duration, gfp_t gfp); | |
3339 | ||
3340 | /** | |
3341 | * cfg80211_remain_on_channel_expired - remain_on_channel duration expired | |
3342 | * @wdev: wireless device | |
3343 | * @cookie: the request cookie | |
3344 | * @chan: The current channel (from remain_on_channel request) | |
3345 | * @channel_type: Channel type | |
3346 | * @gfp: allocation flags | |
3347 | */ | |
3348 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, | |
3349 | struct ieee80211_channel *chan, | |
3350 | enum nl80211_channel_type channel_type, | |
3351 | gfp_t gfp); | |
3352 | ||
3353 | ||
3354 | /** | |
3355 | * cfg80211_new_sta - notify userspace about station | |
3356 | * | |
3357 | * @dev: the netdev | |
3358 | * @mac_addr: the station's address | |
3359 | * @sinfo: the station information | |
3360 | * @gfp: allocation flags | |
3361 | */ | |
3362 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, | |
3363 | struct station_info *sinfo, gfp_t gfp); | |
3364 | ||
3365 | /** | |
3366 | * cfg80211_del_sta - notify userspace about deletion of a station | |
3367 | * | |
3368 | * @dev: the netdev | |
3369 | * @mac_addr: the station's address | |
3370 | * @gfp: allocation flags | |
3371 | */ | |
3372 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp); | |
3373 | ||
3374 | /** | |
3375 | * cfg80211_conn_failed - connection request failed notification | |
3376 | * | |
3377 | * @dev: the netdev | |
3378 | * @mac_addr: the station's address | |
3379 | * @reason: the reason for connection failure | |
3380 | * @gfp: allocation flags | |
3381 | * | |
3382 | * Whenever a station tries to connect to an AP and if the station | |
3383 | * could not connect to the AP as the AP has rejected the connection | |
3384 | * for some reasons, this function is called. | |
3385 | * | |
3386 | * The reason for connection failure can be any of the value from | |
3387 | * nl80211_connect_failed_reason enum | |
3388 | */ | |
3389 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, | |
3390 | enum nl80211_connect_failed_reason reason, | |
3391 | gfp_t gfp); | |
3392 | ||
3393 | /** | |
3394 | * cfg80211_rx_mgmt - notification of received, unprocessed management frame | |
3395 | * @wdev: wireless device receiving the frame | |
3396 | * @freq: Frequency on which the frame was received in MHz | |
3397 | * @sig_dbm: signal strength in mBm, or 0 if unknown | |
3398 | * @buf: Management frame (header + body) | |
3399 | * @len: length of the frame data | |
3400 | * @gfp: context flags | |
3401 | * | |
3402 | * Returns %true if a user space application has registered for this frame. | |
3403 | * For action frames, that makes it responsible for rejecting unrecognized | |
3404 | * action frames; %false otherwise, in which case for action frames the | |
3405 | * driver is responsible for rejecting the frame. | |
3406 | * | |
3407 | * This function is called whenever an Action frame is received for a station | |
3408 | * mode interface, but is not processed in kernel. | |
3409 | */ | |
3410 | bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_dbm, | |
3411 | const u8 *buf, size_t len, gfp_t gfp); | |
3412 | ||
3413 | /** | |
3414 | * cfg80211_mgmt_tx_status - notification of TX status for management frame | |
3415 | * @wdev: wireless device receiving the frame | |
3416 | * @cookie: Cookie returned by cfg80211_ops::mgmt_tx() | |
3417 | * @buf: Management frame (header + body) | |
3418 | * @len: length of the frame data | |
3419 | * @ack: Whether frame was acknowledged | |
3420 | * @gfp: context flags | |
3421 | * | |
3422 | * This function is called whenever a management frame was requested to be | |
3423 | * transmitted with cfg80211_ops::mgmt_tx() to report the TX status of the | |
3424 | * transmission attempt. | |
3425 | */ | |
3426 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, | |
3427 | const u8 *buf, size_t len, bool ack, gfp_t gfp); | |
3428 | ||
3429 | ||
3430 | /** | |
3431 | * cfg80211_cqm_rssi_notify - connection quality monitoring rssi event | |
3432 | * @dev: network device | |
3433 | * @rssi_event: the triggered RSSI event | |
3434 | * @gfp: context flags | |
3435 | * | |
3436 | * This function is called when a configured connection quality monitoring | |
3437 | * rssi threshold reached event occurs. | |
3438 | */ | |
3439 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
3440 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
3441 | gfp_t gfp); | |
3442 | ||
3443 | /** | |
3444 | * cfg80211_cqm_pktloss_notify - notify userspace about packetloss to peer | |
3445 | * @dev: network device | |
3446 | * @peer: peer's MAC address | |
3447 | * @num_packets: how many packets were lost -- should be a fixed threshold | |
3448 | * but probably no less than maybe 50, or maybe a throughput dependent | |
3449 | * threshold (to account for temporary interference) | |
3450 | * @gfp: context flags | |
3451 | */ | |
3452 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
3453 | const u8 *peer, u32 num_packets, gfp_t gfp); | |
3454 | ||
3455 | /** | |
3456 | * cfg80211_cqm_txe_notify - TX error rate event | |
3457 | * @dev: network device | |
3458 | * @peer: peer's MAC address | |
3459 | * @num_packets: how many packets were lost | |
3460 | * @rate: % of packets which failed transmission | |
3461 | * @intvl: interval (in s) over which the TX failure threshold was breached. | |
3462 | * @gfp: context flags | |
3463 | * | |
3464 | * Notify userspace when configured % TX failures over number of packets in a | |
3465 | * given interval is exceeded. | |
3466 | */ | |
3467 | void cfg80211_cqm_txe_notify(struct net_device *dev, const u8 *peer, | |
3468 | u32 num_packets, u32 rate, u32 intvl, gfp_t gfp); | |
3469 | ||
3470 | /** | |
3471 | * cfg80211_gtk_rekey_notify - notify userspace about driver rekeying | |
3472 | * @dev: network device | |
3473 | * @bssid: BSSID of AP (to avoid races) | |
3474 | * @replay_ctr: new replay counter | |
3475 | * @gfp: allocation flags | |
3476 | */ | |
3477 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, | |
3478 | const u8 *replay_ctr, gfp_t gfp); | |
3479 | ||
3480 | /** | |
3481 | * cfg80211_pmksa_candidate_notify - notify about PMKSA caching candidate | |
3482 | * @dev: network device | |
3483 | * @index: candidate index (the smaller the index, the higher the priority) | |
3484 | * @bssid: BSSID of AP | |
3485 | * @preauth: Whether AP advertises support for RSN pre-authentication | |
3486 | * @gfp: allocation flags | |
3487 | */ | |
3488 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, | |
3489 | const u8 *bssid, bool preauth, gfp_t gfp); | |
3490 | ||
3491 | /** | |
3492 | * cfg80211_rx_spurious_frame - inform userspace about a spurious frame | |
3493 | * @dev: The device the frame matched to | |
3494 | * @addr: the transmitter address | |
3495 | * @gfp: context flags | |
3496 | * | |
3497 | * This function is used in AP mode (only!) to inform userspace that | |
3498 | * a spurious class 3 frame was received, to be able to deauth the | |
3499 | * sender. | |
3500 | * Returns %true if the frame was passed to userspace (or this failed | |
3501 | * for a reason other than not having a subscription.) | |
3502 | */ | |
3503 | bool cfg80211_rx_spurious_frame(struct net_device *dev, | |
3504 | const u8 *addr, gfp_t gfp); | |
3505 | ||
3506 | /** | |
3507 | * cfg80211_rx_unexpected_4addr_frame - inform about unexpected WDS frame | |
3508 | * @dev: The device the frame matched to | |
3509 | * @addr: the transmitter address | |
3510 | * @gfp: context flags | |
3511 | * | |
3512 | * This function is used in AP mode (only!) to inform userspace that | |
3513 | * an associated station sent a 4addr frame but that wasn't expected. | |
3514 | * It is allowed and desirable to send this event only once for each | |
3515 | * station to avoid event flooding. | |
3516 | * Returns %true if the frame was passed to userspace (or this failed | |
3517 | * for a reason other than not having a subscription.) | |
3518 | */ | |
3519 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, | |
3520 | const u8 *addr, gfp_t gfp); | |
3521 | ||
3522 | /** | |
3523 | * cfg80211_probe_status - notify userspace about probe status | |
3524 | * @dev: the device the probe was sent on | |
3525 | * @addr: the address of the peer | |
3526 | * @cookie: the cookie filled in @probe_client previously | |
3527 | * @acked: indicates whether probe was acked or not | |
3528 | * @gfp: allocation flags | |
3529 | */ | |
3530 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, | |
3531 | u64 cookie, bool acked, gfp_t gfp); | |
3532 | ||
3533 | /** | |
3534 | * cfg80211_report_obss_beacon - report beacon from other APs | |
3535 | * @wiphy: The wiphy that received the beacon | |
3536 | * @frame: the frame | |
3537 | * @len: length of the frame | |
3538 | * @freq: frequency the frame was received on | |
3539 | * @sig_dbm: signal strength in mBm, or 0 if unknown | |
3540 | * @gfp: allocation flags | |
3541 | * | |
3542 | * Use this function to report to userspace when a beacon was | |
3543 | * received. It is not useful to call this when there is no | |
3544 | * netdev that is in AP/GO mode. | |
3545 | */ | |
3546 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, | |
3547 | const u8 *frame, size_t len, | |
3548 | int freq, int sig_dbm, gfp_t gfp); | |
3549 | ||
3550 | /** | |
3551 | * cfg80211_can_beacon_sec_chan - test if ht40 on extension channel can be used | |
3552 | * @wiphy: the wiphy | |
3553 | * @chan: main channel | |
3554 | * @channel_type: HT mode | |
3555 | * | |
3556 | * This function returns true if there is no secondary channel or the secondary | |
3557 | * channel can be used for beaconing (i.e. is not a radar channel etc.) | |
3558 | */ | |
3559 | bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy, | |
3560 | struct ieee80211_channel *chan, | |
3561 | enum nl80211_channel_type channel_type); | |
3562 | ||
3563 | /* | |
3564 | * cfg80211_ch_switch_notify - update wdev channel and notify userspace | |
3565 | * @dev: the device which switched channels | |
3566 | * @freq: new channel frequency (in MHz) | |
3567 | * @type: channel type | |
3568 | * | |
3569 | * Acquires wdev_lock, so must only be called from sleepable driver context! | |
3570 | */ | |
3571 | void cfg80211_ch_switch_notify(struct net_device *dev, int freq, | |
3572 | enum nl80211_channel_type type); | |
3573 | ||
3574 | /* | |
3575 | * cfg80211_calculate_bitrate - calculate actual bitrate (in 100Kbps units) | |
3576 | * @rate: given rate_info to calculate bitrate from | |
3577 | * | |
3578 | * return 0 if MCS index >= 32 | |
3579 | */ | |
3580 | u32 cfg80211_calculate_bitrate(struct rate_info *rate); | |
3581 | ||
3582 | /** | |
3583 | * cfg80211_unregister_wdev - remove the given wdev | |
3584 | * @wdev: struct wireless_dev to remove | |
3585 | * | |
3586 | * Call this function only for wdevs that have no netdev assigned, | |
3587 | * e.g. P2P Devices. It removes the device from the list so that | |
3588 | * it can no longer be used. It is necessary to call this function | |
3589 | * even when cfg80211 requests the removal of the interface by | |
3590 | * calling the del_virtual_intf() callback. The function must also | |
3591 | * be called when the driver wishes to unregister the wdev, e.g. | |
3592 | * when the device is unbound from the driver. | |
3593 | * | |
3594 | * Requires the RTNL to be held. | |
3595 | */ | |
3596 | void cfg80211_unregister_wdev(struct wireless_dev *wdev); | |
3597 | ||
3598 | /* Logging, debugging and troubleshooting/diagnostic helpers. */ | |
3599 | ||
3600 | /* wiphy_printk helpers, similar to dev_printk */ | |
3601 | ||
3602 | #define wiphy_printk(level, wiphy, format, args...) \ | |
3603 | dev_printk(level, &(wiphy)->dev, format, ##args) | |
3604 | #define wiphy_emerg(wiphy, format, args...) \ | |
3605 | dev_emerg(&(wiphy)->dev, format, ##args) | |
3606 | #define wiphy_alert(wiphy, format, args...) \ | |
3607 | dev_alert(&(wiphy)->dev, format, ##args) | |
3608 | #define wiphy_crit(wiphy, format, args...) \ | |
3609 | dev_crit(&(wiphy)->dev, format, ##args) | |
3610 | #define wiphy_err(wiphy, format, args...) \ | |
3611 | dev_err(&(wiphy)->dev, format, ##args) | |
3612 | #define wiphy_warn(wiphy, format, args...) \ | |
3613 | dev_warn(&(wiphy)->dev, format, ##args) | |
3614 | #define wiphy_notice(wiphy, format, args...) \ | |
3615 | dev_notice(&(wiphy)->dev, format, ##args) | |
3616 | #define wiphy_info(wiphy, format, args...) \ | |
3617 | dev_info(&(wiphy)->dev, format, ##args) | |
3618 | ||
3619 | #define wiphy_debug(wiphy, format, args...) \ | |
3620 | wiphy_printk(KERN_DEBUG, wiphy, format, ##args) | |
3621 | ||
3622 | #define wiphy_dbg(wiphy, format, args...) \ | |
3623 | dev_dbg(&(wiphy)->dev, format, ##args) | |
3624 | ||
3625 | #if defined(VERBOSE_DEBUG) | |
3626 | #define wiphy_vdbg wiphy_dbg | |
3627 | #else | |
3628 | #define wiphy_vdbg(wiphy, format, args...) \ | |
3629 | ({ \ | |
3630 | if (0) \ | |
3631 | wiphy_printk(KERN_DEBUG, wiphy, format, ##args); \ | |
3632 | 0; \ | |
3633 | }) | |
3634 | #endif | |
3635 | ||
3636 | /* | |
3637 | * wiphy_WARN() acts like wiphy_printk(), but with the key difference | |
3638 | * of using a WARN/WARN_ON to get the message out, including the | |
3639 | * file/line information and a backtrace. | |
3640 | */ | |
3641 | #define wiphy_WARN(wiphy, format, args...) \ | |
3642 | WARN(1, "wiphy: %s\n" format, wiphy_name(wiphy), ##args); | |
3643 | ||
3644 | #endif /* __NET_CFG80211_H */ |