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704232c2 JB |
1 | #ifndef __NET_CFG80211_H |
2 | #define __NET_CFG80211_H | |
d3236553 JB |
3 | /* |
4 | * 802.11 device and configuration interface | |
5 | * | |
6 | * Copyright 2006-2009 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 | */ | |
704232c2 | 12 | |
d3236553 JB |
13 | #include <linux/netdevice.h> |
14 | #include <linux/debugfs.h> | |
15 | #include <linux/list.h> | |
704232c2 JB |
16 | #include <linux/netlink.h> |
17 | #include <linux/skbuff.h> | |
55682965 | 18 | #include <linux/nl80211.h> |
2a519311 JB |
19 | #include <linux/if_ether.h> |
20 | #include <linux/ieee80211.h> | |
d3236553 JB |
21 | #include <net/regulatory.h> |
22 | ||
fee52678 | 23 | /* remove once we remove the wext stuff */ |
d3236553 JB |
24 | #include <net/iw_handler.h> |
25 | #include <linux/wireless.h> | |
26 | ||
704232c2 JB |
27 | |
28 | /* | |
d3236553 JB |
29 | * wireless hardware capability structures |
30 | */ | |
31 | ||
32 | /** | |
33 | * enum ieee80211_band - supported frequency bands | |
34 | * | |
35 | * The bands are assigned this way because the supported | |
36 | * bitrates differ in these bands. | |
704232c2 | 37 | * |
d3236553 JB |
38 | * @IEEE80211_BAND_2GHZ: 2.4GHz ISM band |
39 | * @IEEE80211_BAND_5GHZ: around 5GHz band (4.9-5.7) | |
704232c2 | 40 | */ |
d3236553 JB |
41 | enum ieee80211_band { |
42 | IEEE80211_BAND_2GHZ, | |
43 | IEEE80211_BAND_5GHZ, | |
44 | ||
45 | /* keep last */ | |
46 | IEEE80211_NUM_BANDS | |
47 | }; | |
704232c2 | 48 | |
2ec600d6 | 49 | /** |
d3236553 JB |
50 | * enum ieee80211_channel_flags - channel flags |
51 | * | |
52 | * Channel flags set by the regulatory control code. | |
53 | * | |
54 | * @IEEE80211_CHAN_DISABLED: This channel is disabled. | |
55 | * @IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted | |
56 | * on this channel. | |
57 | * @IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel. | |
58 | * @IEEE80211_CHAN_RADAR: Radar detection is required on this channel. | |
689da1b3 | 59 | * @IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel |
d3236553 | 60 | * is not permitted. |
689da1b3 | 61 | * @IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel |
d3236553 | 62 | * is not permitted. |
2ec600d6 | 63 | */ |
d3236553 JB |
64 | enum ieee80211_channel_flags { |
65 | IEEE80211_CHAN_DISABLED = 1<<0, | |
66 | IEEE80211_CHAN_PASSIVE_SCAN = 1<<1, | |
67 | IEEE80211_CHAN_NO_IBSS = 1<<2, | |
68 | IEEE80211_CHAN_RADAR = 1<<3, | |
689da1b3 LR |
69 | IEEE80211_CHAN_NO_HT40PLUS = 1<<4, |
70 | IEEE80211_CHAN_NO_HT40MINUS = 1<<5, | |
2ec600d6 LCC |
71 | }; |
72 | ||
038659e7 | 73 | #define IEEE80211_CHAN_NO_HT40 \ |
689da1b3 | 74 | (IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) |
038659e7 | 75 | |
d3236553 JB |
76 | /** |
77 | * struct ieee80211_channel - channel definition | |
78 | * | |
79 | * This structure describes a single channel for use | |
80 | * with cfg80211. | |
81 | * | |
82 | * @center_freq: center frequency in MHz | |
83 | * @max_bandwidth: maximum allowed bandwidth for this channel, in MHz | |
84 | * @hw_value: hardware-specific value for the channel | |
85 | * @flags: channel flags from &enum ieee80211_channel_flags. | |
86 | * @orig_flags: channel flags at registration time, used by regulatory | |
87 | * code to support devices with additional restrictions | |
88 | * @band: band this channel belongs to. | |
89 | * @max_antenna_gain: maximum antenna gain in dBi | |
90 | * @max_power: maximum transmission power (in dBm) | |
91 | * @beacon_found: helper to regulatory code to indicate when a beacon | |
92 | * has been found on this channel. Use regulatory_hint_found_beacon() | |
93 | * to enable this, this is is useful only on 5 GHz band. | |
94 | * @orig_mag: internal use | |
95 | * @orig_mpwr: internal use | |
179f831b | 96 | */ |
d3236553 JB |
97 | struct ieee80211_channel { |
98 | enum ieee80211_band band; | |
99 | u16 center_freq; | |
100 | u8 max_bandwidth; | |
101 | u16 hw_value; | |
102 | u32 flags; | |
103 | int max_antenna_gain; | |
104 | int max_power; | |
105 | bool beacon_found; | |
106 | u32 orig_flags; | |
107 | int orig_mag, orig_mpwr; | |
108 | }; | |
109 | ||
179f831b | 110 | /** |
d3236553 JB |
111 | * enum ieee80211_rate_flags - rate flags |
112 | * | |
113 | * Hardware/specification flags for rates. These are structured | |
114 | * in a way that allows using the same bitrate structure for | |
115 | * different bands/PHY modes. | |
116 | * | |
117 | * @IEEE80211_RATE_SHORT_PREAMBLE: Hardware can send with short | |
118 | * preamble on this bitrate; only relevant in 2.4GHz band and | |
119 | * with CCK rates. | |
120 | * @IEEE80211_RATE_MANDATORY_A: This bitrate is a mandatory rate | |
121 | * when used with 802.11a (on the 5 GHz band); filled by the | |
122 | * core code when registering the wiphy. | |
123 | * @IEEE80211_RATE_MANDATORY_B: This bitrate is a mandatory rate | |
124 | * when used with 802.11b (on the 2.4 GHz band); filled by the | |
125 | * core code when registering the wiphy. | |
126 | * @IEEE80211_RATE_MANDATORY_G: This bitrate is a mandatory rate | |
127 | * when used with 802.11g (on the 2.4 GHz band); filled by the | |
128 | * core code when registering the wiphy. | |
129 | * @IEEE80211_RATE_ERP_G: This is an ERP rate in 802.11g mode. | |
179f831b | 130 | */ |
d3236553 JB |
131 | enum ieee80211_rate_flags { |
132 | IEEE80211_RATE_SHORT_PREAMBLE = 1<<0, | |
133 | IEEE80211_RATE_MANDATORY_A = 1<<1, | |
134 | IEEE80211_RATE_MANDATORY_B = 1<<2, | |
135 | IEEE80211_RATE_MANDATORY_G = 1<<3, | |
136 | IEEE80211_RATE_ERP_G = 1<<4, | |
137 | }; | |
179f831b | 138 | |
d3236553 JB |
139 | /** |
140 | * struct ieee80211_rate - bitrate definition | |
141 | * | |
142 | * This structure describes a bitrate that an 802.11 PHY can | |
143 | * operate with. The two values @hw_value and @hw_value_short | |
144 | * are only for driver use when pointers to this structure are | |
145 | * passed around. | |
146 | * | |
147 | * @flags: rate-specific flags | |
148 | * @bitrate: bitrate in units of 100 Kbps | |
149 | * @hw_value: driver/hardware value for this rate | |
150 | * @hw_value_short: driver/hardware value for this rate when | |
151 | * short preamble is used | |
152 | */ | |
153 | struct ieee80211_rate { | |
154 | u32 flags; | |
155 | u16 bitrate; | |
156 | u16 hw_value, hw_value_short; | |
157 | }; | |
179f831b | 158 | |
d3236553 JB |
159 | /** |
160 | * struct ieee80211_sta_ht_cap - STA's HT capabilities | |
161 | * | |
162 | * This structure describes most essential parameters needed | |
163 | * to describe 802.11n HT capabilities for an STA. | |
164 | * | |
165 | * @ht_supported: is HT supported by the STA | |
166 | * @cap: HT capabilities map as described in 802.11n spec | |
167 | * @ampdu_factor: Maximum A-MPDU length factor | |
168 | * @ampdu_density: Minimum A-MPDU spacing | |
169 | * @mcs: Supported MCS rates | |
170 | */ | |
171 | struct ieee80211_sta_ht_cap { | |
172 | u16 cap; /* use IEEE80211_HT_CAP_ */ | |
173 | bool ht_supported; | |
174 | u8 ampdu_factor; | |
175 | u8 ampdu_density; | |
176 | struct ieee80211_mcs_info mcs; | |
179f831b AG |
177 | }; |
178 | ||
d3236553 JB |
179 | /** |
180 | * struct ieee80211_supported_band - frequency band definition | |
181 | * | |
182 | * This structure describes a frequency band a wiphy | |
183 | * is able to operate in. | |
184 | * | |
185 | * @channels: Array of channels the hardware can operate in | |
186 | * in this band. | |
187 | * @band: the band this structure represents | |
188 | * @n_channels: Number of channels in @channels | |
189 | * @bitrates: Array of bitrates the hardware can operate with | |
190 | * in this band. Must be sorted to give a valid "supported | |
191 | * rates" IE, i.e. CCK rates first, then OFDM. | |
192 | * @n_bitrates: Number of bitrates in @bitrates | |
193 | */ | |
194 | struct ieee80211_supported_band { | |
195 | struct ieee80211_channel *channels; | |
196 | struct ieee80211_rate *bitrates; | |
197 | enum ieee80211_band band; | |
198 | int n_channels; | |
199 | int n_bitrates; | |
200 | struct ieee80211_sta_ht_cap ht_cap; | |
201 | }; | |
179f831b | 202 | |
d3236553 JB |
203 | /* |
204 | * Wireless hardware/device configuration structures and methods | |
205 | */ | |
179f831b | 206 | |
d3236553 JB |
207 | /** |
208 | * struct vif_params - describes virtual interface parameters | |
209 | * @mesh_id: mesh ID to use | |
210 | * @mesh_id_len: length of the mesh ID | |
211 | */ | |
212 | struct vif_params { | |
213 | u8 *mesh_id; | |
214 | int mesh_id_len; | |
215 | }; | |
179f831b | 216 | |
d3236553 | 217 | /** |
41ade00f JB |
218 | * struct key_params - key information |
219 | * | |
220 | * Information about a key | |
221 | * | |
222 | * @key: key material | |
223 | * @key_len: length of key material | |
224 | * @cipher: cipher suite selector | |
225 | * @seq: sequence counter (IV/PN) for TKIP and CCMP keys, only used | |
226 | * with the get_key() callback, must be in little endian, | |
227 | * length given by @seq_len. | |
228 | */ | |
229 | struct key_params { | |
230 | u8 *key; | |
231 | u8 *seq; | |
232 | int key_len; | |
233 | int seq_len; | |
234 | u32 cipher; | |
235 | }; | |
236 | ||
ed1b6cc7 JB |
237 | /** |
238 | * struct beacon_parameters - beacon parameters | |
239 | * | |
240 | * Used to configure the beacon for an interface. | |
241 | * | |
242 | * @head: head portion of beacon (before TIM IE) | |
243 | * or %NULL if not changed | |
244 | * @tail: tail portion of beacon (after TIM IE) | |
245 | * or %NULL if not changed | |
246 | * @interval: beacon interval or zero if not changed | |
247 | * @dtim_period: DTIM period or zero if not changed | |
248 | * @head_len: length of @head | |
249 | * @tail_len: length of @tail | |
250 | */ | |
251 | struct beacon_parameters { | |
252 | u8 *head, *tail; | |
253 | int interval, dtim_period; | |
254 | int head_len, tail_len; | |
255 | }; | |
256 | ||
2ec600d6 LCC |
257 | /** |
258 | * enum plink_action - actions to perform in mesh peers | |
259 | * | |
260 | * @PLINK_ACTION_INVALID: action 0 is reserved | |
261 | * @PLINK_ACTION_OPEN: start mesh peer link establishment | |
262 | * @PLINK_ACTION_BLOCL: block traffic from this mesh peer | |
263 | */ | |
264 | enum plink_actions { | |
265 | PLINK_ACTION_INVALID, | |
266 | PLINK_ACTION_OPEN, | |
267 | PLINK_ACTION_BLOCK, | |
268 | }; | |
269 | ||
5727ef1b JB |
270 | /** |
271 | * struct station_parameters - station parameters | |
272 | * | |
273 | * Used to change and create a new station. | |
274 | * | |
275 | * @vlan: vlan interface station should belong to | |
276 | * @supported_rates: supported rates in IEEE 802.11 format | |
277 | * (or NULL for no change) | |
278 | * @supported_rates_len: number of supported rates | |
eccb8e8f JB |
279 | * @sta_flags_mask: station flags that changed |
280 | * (bitmask of BIT(NL80211_STA_FLAG_...)) | |
281 | * @sta_flags_set: station flags values | |
282 | * (bitmask of BIT(NL80211_STA_FLAG_...)) | |
5727ef1b JB |
283 | * @listen_interval: listen interval or -1 for no change |
284 | * @aid: AID or zero for no change | |
285 | */ | |
286 | struct station_parameters { | |
287 | u8 *supported_rates; | |
288 | struct net_device *vlan; | |
eccb8e8f | 289 | u32 sta_flags_mask, sta_flags_set; |
5727ef1b JB |
290 | int listen_interval; |
291 | u16 aid; | |
292 | u8 supported_rates_len; | |
2ec600d6 | 293 | u8 plink_action; |
36aedc90 | 294 | struct ieee80211_ht_cap *ht_capa; |
5727ef1b JB |
295 | }; |
296 | ||
fd5b74dc | 297 | /** |
2ec600d6 | 298 | * enum station_info_flags - station information flags |
fd5b74dc | 299 | * |
2ec600d6 LCC |
300 | * Used by the driver to indicate which info in &struct station_info |
301 | * it has filled in during get_station() or dump_station(). | |
fd5b74dc | 302 | * |
2ec600d6 LCC |
303 | * @STATION_INFO_INACTIVE_TIME: @inactive_time filled |
304 | * @STATION_INFO_RX_BYTES: @rx_bytes filled | |
305 | * @STATION_INFO_TX_BYTES: @tx_bytes filled | |
306 | * @STATION_INFO_LLID: @llid filled | |
307 | * @STATION_INFO_PLID: @plid filled | |
308 | * @STATION_INFO_PLINK_STATE: @plink_state filled | |
420e7fab HR |
309 | * @STATION_INFO_SIGNAL: @signal filled |
310 | * @STATION_INFO_TX_BITRATE: @tx_bitrate fields are filled | |
311 | * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs) | |
98c8a60a JM |
312 | * @STATION_INFO_RX_PACKETS: @rx_packets filled |
313 | * @STATION_INFO_TX_PACKETS: @tx_packets filled | |
fd5b74dc | 314 | */ |
2ec600d6 LCC |
315 | enum station_info_flags { |
316 | STATION_INFO_INACTIVE_TIME = 1<<0, | |
317 | STATION_INFO_RX_BYTES = 1<<1, | |
318 | STATION_INFO_TX_BYTES = 1<<2, | |
319 | STATION_INFO_LLID = 1<<3, | |
320 | STATION_INFO_PLID = 1<<4, | |
321 | STATION_INFO_PLINK_STATE = 1<<5, | |
420e7fab HR |
322 | STATION_INFO_SIGNAL = 1<<6, |
323 | STATION_INFO_TX_BITRATE = 1<<7, | |
98c8a60a JM |
324 | STATION_INFO_RX_PACKETS = 1<<8, |
325 | STATION_INFO_TX_PACKETS = 1<<9, | |
420e7fab HR |
326 | }; |
327 | ||
328 | /** | |
329 | * enum station_info_rate_flags - bitrate info flags | |
330 | * | |
331 | * Used by the driver to indicate the specific rate transmission | |
332 | * type for 802.11n transmissions. | |
333 | * | |
334 | * @RATE_INFO_FLAGS_MCS: @tx_bitrate_mcs filled | |
335 | * @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 Mhz width transmission | |
336 | * @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval | |
337 | */ | |
338 | enum rate_info_flags { | |
339 | RATE_INFO_FLAGS_MCS = 1<<0, | |
340 | RATE_INFO_FLAGS_40_MHZ_WIDTH = 1<<1, | |
341 | RATE_INFO_FLAGS_SHORT_GI = 1<<2, | |
342 | }; | |
343 | ||
344 | /** | |
345 | * struct rate_info - bitrate information | |
346 | * | |
347 | * Information about a receiving or transmitting bitrate | |
348 | * | |
349 | * @flags: bitflag of flags from &enum rate_info_flags | |
350 | * @mcs: mcs index if struct describes a 802.11n bitrate | |
351 | * @legacy: bitrate in 100kbit/s for 802.11abg | |
352 | */ | |
353 | struct rate_info { | |
354 | u8 flags; | |
355 | u8 mcs; | |
356 | u16 legacy; | |
fd5b74dc JB |
357 | }; |
358 | ||
359 | /** | |
2ec600d6 | 360 | * struct station_info - station information |
fd5b74dc | 361 | * |
2ec600d6 | 362 | * Station information filled by driver for get_station() and dump_station. |
fd5b74dc | 363 | * |
2ec600d6 | 364 | * @filled: bitflag of flags from &enum station_info_flags |
fd5b74dc JB |
365 | * @inactive_time: time since last station activity (tx/rx) in milliseconds |
366 | * @rx_bytes: bytes received from this station | |
367 | * @tx_bytes: bytes transmitted to this station | |
2ec600d6 LCC |
368 | * @llid: mesh local link id |
369 | * @plid: mesh peer link id | |
370 | * @plink_state: mesh peer link state | |
420e7fab HR |
371 | * @signal: signal strength of last received packet in dBm |
372 | * @txrate: current unicast bitrate to this station | |
98c8a60a JM |
373 | * @rx_packets: packets received from this station |
374 | * @tx_packets: packets transmitted to this station | |
fd5b74dc | 375 | */ |
2ec600d6 | 376 | struct station_info { |
fd5b74dc JB |
377 | u32 filled; |
378 | u32 inactive_time; | |
379 | u32 rx_bytes; | |
380 | u32 tx_bytes; | |
2ec600d6 LCC |
381 | u16 llid; |
382 | u16 plid; | |
383 | u8 plink_state; | |
420e7fab HR |
384 | s8 signal; |
385 | struct rate_info txrate; | |
98c8a60a JM |
386 | u32 rx_packets; |
387 | u32 tx_packets; | |
fd5b74dc JB |
388 | }; |
389 | ||
66f7ac50 MW |
390 | /** |
391 | * enum monitor_flags - monitor flags | |
392 | * | |
393 | * Monitor interface configuration flags. Note that these must be the bits | |
394 | * according to the nl80211 flags. | |
395 | * | |
396 | * @MONITOR_FLAG_FCSFAIL: pass frames with bad FCS | |
397 | * @MONITOR_FLAG_PLCPFAIL: pass frames with bad PLCP | |
398 | * @MONITOR_FLAG_CONTROL: pass control frames | |
399 | * @MONITOR_FLAG_OTHER_BSS: disable BSSID filtering | |
400 | * @MONITOR_FLAG_COOK_FRAMES: report frames after processing | |
401 | */ | |
402 | enum monitor_flags { | |
403 | MONITOR_FLAG_FCSFAIL = 1<<NL80211_MNTR_FLAG_FCSFAIL, | |
404 | MONITOR_FLAG_PLCPFAIL = 1<<NL80211_MNTR_FLAG_PLCPFAIL, | |
405 | MONITOR_FLAG_CONTROL = 1<<NL80211_MNTR_FLAG_CONTROL, | |
406 | MONITOR_FLAG_OTHER_BSS = 1<<NL80211_MNTR_FLAG_OTHER_BSS, | |
407 | MONITOR_FLAG_COOK_FRAMES = 1<<NL80211_MNTR_FLAG_COOK_FRAMES, | |
408 | }; | |
409 | ||
2ec600d6 LCC |
410 | /** |
411 | * enum mpath_info_flags - mesh path information flags | |
412 | * | |
413 | * Used by the driver to indicate which info in &struct mpath_info it has filled | |
414 | * in during get_station() or dump_station(). | |
415 | * | |
416 | * MPATH_INFO_FRAME_QLEN: @frame_qlen filled | |
417 | * MPATH_INFO_DSN: @dsn filled | |
418 | * MPATH_INFO_METRIC: @metric filled | |
419 | * MPATH_INFO_EXPTIME: @exptime filled | |
420 | * MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled | |
421 | * MPATH_INFO_DISCOVERY_RETRIES: @discovery_retries filled | |
422 | * MPATH_INFO_FLAGS: @flags filled | |
423 | */ | |
424 | enum mpath_info_flags { | |
425 | MPATH_INFO_FRAME_QLEN = BIT(0), | |
426 | MPATH_INFO_DSN = BIT(1), | |
427 | MPATH_INFO_METRIC = BIT(2), | |
428 | MPATH_INFO_EXPTIME = BIT(3), | |
429 | MPATH_INFO_DISCOVERY_TIMEOUT = BIT(4), | |
430 | MPATH_INFO_DISCOVERY_RETRIES = BIT(5), | |
431 | MPATH_INFO_FLAGS = BIT(6), | |
432 | }; | |
433 | ||
434 | /** | |
435 | * struct mpath_info - mesh path information | |
436 | * | |
437 | * Mesh path information filled by driver for get_mpath() and dump_mpath(). | |
438 | * | |
439 | * @filled: bitfield of flags from &enum mpath_info_flags | |
440 | * @frame_qlen: number of queued frames for this destination | |
441 | * @dsn: destination sequence number | |
442 | * @metric: metric (cost) of this mesh path | |
443 | * @exptime: expiration time for the mesh path from now, in msecs | |
444 | * @flags: mesh path flags | |
445 | * @discovery_timeout: total mesh path discovery timeout, in msecs | |
446 | * @discovery_retries: mesh path discovery retries | |
447 | */ | |
448 | struct mpath_info { | |
449 | u32 filled; | |
450 | u32 frame_qlen; | |
451 | u32 dsn; | |
452 | u32 metric; | |
453 | u32 exptime; | |
454 | u32 discovery_timeout; | |
455 | u8 discovery_retries; | |
456 | u8 flags; | |
457 | }; | |
458 | ||
9f1ba906 JM |
459 | /** |
460 | * struct bss_parameters - BSS parameters | |
461 | * | |
462 | * Used to change BSS parameters (mainly for AP mode). | |
463 | * | |
464 | * @use_cts_prot: Whether to use CTS protection | |
465 | * (0 = no, 1 = yes, -1 = do not change) | |
466 | * @use_short_preamble: Whether the use of short preambles is allowed | |
467 | * (0 = no, 1 = yes, -1 = do not change) | |
468 | * @use_short_slot_time: Whether the use of short slot time is allowed | |
469 | * (0 = no, 1 = yes, -1 = do not change) | |
90c97a04 JM |
470 | * @basic_rates: basic rates in IEEE 802.11 format |
471 | * (or NULL for no change) | |
472 | * @basic_rates_len: number of basic rates | |
9f1ba906 JM |
473 | */ |
474 | struct bss_parameters { | |
475 | int use_cts_prot; | |
476 | int use_short_preamble; | |
477 | int use_short_slot_time; | |
90c97a04 JM |
478 | u8 *basic_rates; |
479 | u8 basic_rates_len; | |
9f1ba906 | 480 | }; |
2ec600d6 | 481 | |
93da9cc1 | 482 | struct mesh_config { |
483 | /* Timeouts in ms */ | |
484 | /* Mesh plink management parameters */ | |
485 | u16 dot11MeshRetryTimeout; | |
486 | u16 dot11MeshConfirmTimeout; | |
487 | u16 dot11MeshHoldingTimeout; | |
488 | u16 dot11MeshMaxPeerLinks; | |
489 | u8 dot11MeshMaxRetries; | |
490 | u8 dot11MeshTTL; | |
491 | bool auto_open_plinks; | |
492 | /* HWMP parameters */ | |
493 | u8 dot11MeshHWMPmaxPREQretries; | |
494 | u32 path_refresh_time; | |
495 | u16 min_discovery_timeout; | |
496 | u32 dot11MeshHWMPactivePathTimeout; | |
497 | u16 dot11MeshHWMPpreqMinInterval; | |
498 | u16 dot11MeshHWMPnetDiameterTraversalTime; | |
499 | }; | |
500 | ||
31888487 JM |
501 | /** |
502 | * struct ieee80211_txq_params - TX queue parameters | |
503 | * @queue: TX queue identifier (NL80211_TXQ_Q_*) | |
504 | * @txop: Maximum burst time in units of 32 usecs, 0 meaning disabled | |
505 | * @cwmin: Minimum contention window [a value of the form 2^n-1 in the range | |
506 | * 1..32767] | |
507 | * @cwmax: Maximum contention window [a value of the form 2^n-1 in the range | |
508 | * 1..32767] | |
509 | * @aifs: Arbitration interframe space [0..255] | |
510 | */ | |
511 | struct ieee80211_txq_params { | |
512 | enum nl80211_txq_q queue; | |
513 | u16 txop; | |
514 | u16 cwmin; | |
515 | u16 cwmax; | |
516 | u8 aifs; | |
517 | }; | |
518 | ||
704232c2 JB |
519 | /* from net/wireless.h */ |
520 | struct wiphy; | |
521 | ||
72bdcf34 JM |
522 | /* from net/ieee80211.h */ |
523 | struct ieee80211_channel; | |
524 | ||
2a519311 JB |
525 | /** |
526 | * struct cfg80211_ssid - SSID description | |
527 | * @ssid: the SSID | |
528 | * @ssid_len: length of the ssid | |
529 | */ | |
530 | struct cfg80211_ssid { | |
531 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
532 | u8 ssid_len; | |
533 | }; | |
534 | ||
535 | /** | |
536 | * struct cfg80211_scan_request - scan request description | |
537 | * | |
538 | * @ssids: SSIDs to scan for (active scan only) | |
539 | * @n_ssids: number of SSIDs | |
540 | * @channels: channels to scan on. | |
541 | * @n_channels: number of channels for each band | |
70692ad2 JM |
542 | * @ie: optional information element(s) to add into Probe Request or %NULL |
543 | * @ie_len: length of ie in octets | |
2a519311 JB |
544 | * @wiphy: the wiphy this was for |
545 | * @ifidx: the interface index | |
546 | */ | |
547 | struct cfg80211_scan_request { | |
548 | struct cfg80211_ssid *ssids; | |
549 | int n_ssids; | |
550 | struct ieee80211_channel **channels; | |
551 | u32 n_channels; | |
de95a54b | 552 | const u8 *ie; |
70692ad2 | 553 | size_t ie_len; |
2a519311 JB |
554 | |
555 | /* internal */ | |
556 | struct wiphy *wiphy; | |
557 | int ifidx; | |
558 | }; | |
559 | ||
560 | /** | |
561 | * enum cfg80211_signal_type - signal type | |
562 | * | |
563 | * @CFG80211_SIGNAL_TYPE_NONE: no signal strength information available | |
564 | * @CFG80211_SIGNAL_TYPE_MBM: signal strength in mBm (100*dBm) | |
565 | * @CFG80211_SIGNAL_TYPE_UNSPEC: signal strength, increasing from 0 through 100 | |
566 | */ | |
567 | enum cfg80211_signal_type { | |
568 | CFG80211_SIGNAL_TYPE_NONE, | |
569 | CFG80211_SIGNAL_TYPE_MBM, | |
570 | CFG80211_SIGNAL_TYPE_UNSPEC, | |
571 | }; | |
572 | ||
573 | /** | |
574 | * struct cfg80211_bss - BSS description | |
575 | * | |
576 | * This structure describes a BSS (which may also be a mesh network) | |
577 | * for use in scan results and similar. | |
578 | * | |
579 | * @bssid: BSSID of the BSS | |
580 | * @tsf: timestamp of last received update | |
581 | * @beacon_interval: the beacon interval as from the frame | |
582 | * @capability: the capability field in host byte order | |
583 | * @information_elements: the information elements (Note that there | |
584 | * is no guarantee that these are well-formed!) | |
585 | * @len_information_elements: total length of the information elements | |
77965c97 | 586 | * @signal: signal strength value (type depends on the wiphy's signal_type) |
a08c1c1a | 587 | * @hold: BSS should not expire |
78c1c7e1 | 588 | * @free_priv: function pointer to free private data |
2a519311 JB |
589 | * @priv: private area for driver use, has at least wiphy->bss_priv_size bytes |
590 | */ | |
591 | struct cfg80211_bss { | |
592 | struct ieee80211_channel *channel; | |
593 | ||
594 | u8 bssid[ETH_ALEN]; | |
595 | u64 tsf; | |
596 | u16 beacon_interval; | |
597 | u16 capability; | |
598 | u8 *information_elements; | |
599 | size_t len_information_elements; | |
600 | ||
601 | s32 signal; | |
2a519311 | 602 | |
78c1c7e1 | 603 | void (*free_priv)(struct cfg80211_bss *bss); |
2a519311 JB |
604 | u8 priv[0] __attribute__((__aligned__(sizeof(void *)))); |
605 | }; | |
606 | ||
636a5d36 JM |
607 | /** |
608 | * struct cfg80211_auth_request - Authentication request data | |
609 | * | |
610 | * This structure provides information needed to complete IEEE 802.11 | |
611 | * authentication. | |
612 | * NOTE: This structure will likely change when more code from mac80211 is | |
613 | * moved into cfg80211 so that non-mac80211 drivers can benefit from it, too. | |
614 | * Before using this in a driver that does not use mac80211, it would be better | |
615 | * to check the status of that work and better yet, volunteer to work on it. | |
616 | * | |
617 | * @chan: The channel to use or %NULL if not specified (auto-select based on | |
618 | * scan results) | |
619 | * @peer_addr: The address of the peer STA (AP BSSID in infrastructure case); | |
620 | * this field is required to be present; if the driver wants to help with | |
621 | * BSS selection, it should use (yet to be added) MLME event to allow user | |
622 | * space SME to be notified of roaming candidate, so that the SME can then | |
623 | * use the authentication request with the recommended BSSID and whatever | |
624 | * other data may be needed for authentication/association | |
625 | * @ssid: SSID or %NULL if not yet available | |
626 | * @ssid_len: Length of ssid in octets | |
627 | * @auth_type: Authentication type (algorithm) | |
628 | * @ie: Extra IEs to add to Authentication frame or %NULL | |
629 | * @ie_len: Length of ie buffer in octets | |
630 | */ | |
631 | struct cfg80211_auth_request { | |
632 | struct ieee80211_channel *chan; | |
633 | u8 *peer_addr; | |
634 | const u8 *ssid; | |
635 | size_t ssid_len; | |
636 | enum nl80211_auth_type auth_type; | |
637 | const u8 *ie; | |
638 | size_t ie_len; | |
639 | }; | |
640 | ||
641 | /** | |
642 | * struct cfg80211_assoc_request - (Re)Association request data | |
643 | * | |
644 | * This structure provides information needed to complete IEEE 802.11 | |
645 | * (re)association. | |
646 | * NOTE: This structure will likely change when more code from mac80211 is | |
647 | * moved into cfg80211 so that non-mac80211 drivers can benefit from it, too. | |
648 | * Before using this in a driver that does not use mac80211, it would be better | |
649 | * to check the status of that work and better yet, volunteer to work on it. | |
650 | * | |
651 | * @chan: The channel to use or %NULL if not specified (auto-select based on | |
652 | * scan results) | |
653 | * @peer_addr: The address of the peer STA (AP BSSID); this field is required | |
654 | * to be present and the STA must be in State 2 (authenticated) with the | |
655 | * peer STA | |
656 | * @ssid: SSID | |
657 | * @ssid_len: Length of ssid in octets | |
658 | * @ie: Extra IEs to add to (Re)Association Request frame or %NULL | |
659 | * @ie_len: Length of ie buffer in octets | |
dc6382ce | 660 | * @use_mfp: Use management frame protection (IEEE 802.11w) in this association |
3f77316c JM |
661 | * @control_port: Whether user space controls IEEE 802.1X port, i.e., |
662 | * sets/clears %NL80211_STA_FLAG_AUTHORIZED. If true, the driver is | |
663 | * required to assume that the port is unauthorized until authorized by | |
664 | * user space. Otherwise, port is marked authorized by default. | |
636a5d36 JM |
665 | */ |
666 | struct cfg80211_assoc_request { | |
667 | struct ieee80211_channel *chan; | |
668 | u8 *peer_addr; | |
669 | const u8 *ssid; | |
670 | size_t ssid_len; | |
671 | const u8 *ie; | |
672 | size_t ie_len; | |
dc6382ce | 673 | bool use_mfp; |
3f77316c | 674 | bool control_port; |
636a5d36 JM |
675 | }; |
676 | ||
677 | /** | |
678 | * struct cfg80211_deauth_request - Deauthentication request data | |
679 | * | |
680 | * This structure provides information needed to complete IEEE 802.11 | |
681 | * deauthentication. | |
682 | * | |
683 | * @peer_addr: The address of the peer STA (AP BSSID); this field is required | |
684 | * to be present and the STA must be authenticated with the peer STA | |
685 | * @ie: Extra IEs to add to Deauthentication frame or %NULL | |
686 | * @ie_len: Length of ie buffer in octets | |
687 | */ | |
688 | struct cfg80211_deauth_request { | |
689 | u8 *peer_addr; | |
690 | u16 reason_code; | |
691 | const u8 *ie; | |
692 | size_t ie_len; | |
693 | }; | |
694 | ||
695 | /** | |
696 | * struct cfg80211_disassoc_request - Disassociation request data | |
697 | * | |
698 | * This structure provides information needed to complete IEEE 802.11 | |
699 | * disassocation. | |
700 | * | |
701 | * @peer_addr: The address of the peer STA (AP BSSID); this field is required | |
702 | * to be present and the STA must be associated with the peer STA | |
703 | * @ie: Extra IEs to add to Disassociation frame or %NULL | |
704 | * @ie_len: Length of ie buffer in octets | |
705 | */ | |
706 | struct cfg80211_disassoc_request { | |
707 | u8 *peer_addr; | |
708 | u16 reason_code; | |
709 | const u8 *ie; | |
710 | size_t ie_len; | |
711 | }; | |
712 | ||
04a773ad JB |
713 | /** |
714 | * struct cfg80211_ibss_params - IBSS parameters | |
715 | * | |
716 | * This structure defines the IBSS parameters for the join_ibss() | |
717 | * method. | |
718 | * | |
719 | * @ssid: The SSID, will always be non-null. | |
720 | * @ssid_len: The length of the SSID, will always be non-zero. | |
721 | * @bssid: Fixed BSSID requested, maybe be %NULL, if set do not | |
722 | * search for IBSSs with a different BSSID. | |
723 | * @channel: The channel to use if no IBSS can be found to join. | |
724 | * @channel_fixed: The channel should be fixed -- do not search for | |
725 | * IBSSs to join on other channels. | |
726 | * @ie: information element(s) to include in the beacon | |
727 | * @ie_len: length of that | |
8e30bc55 | 728 | * @beacon_interval: beacon interval to use |
04a773ad JB |
729 | */ |
730 | struct cfg80211_ibss_params { | |
731 | u8 *ssid; | |
732 | u8 *bssid; | |
733 | struct ieee80211_channel *channel; | |
734 | u8 *ie; | |
735 | u8 ssid_len, ie_len; | |
8e30bc55 | 736 | u16 beacon_interval; |
04a773ad JB |
737 | bool channel_fixed; |
738 | }; | |
739 | ||
b9a5f8ca JM |
740 | /** |
741 | * enum wiphy_params_flags - set_wiphy_params bitfield values | |
742 | * WIPHY_PARAM_RETRY_SHORT: wiphy->retry_short has changed | |
743 | * WIPHY_PARAM_RETRY_LONG: wiphy->retry_long has changed | |
744 | * WIPHY_PARAM_FRAG_THRESHOLD: wiphy->frag_threshold has changed | |
745 | * WIPHY_PARAM_RTS_THRESHOLD: wiphy->rts_threshold has changed | |
746 | */ | |
747 | enum wiphy_params_flags { | |
748 | WIPHY_PARAM_RETRY_SHORT = 1 << 0, | |
749 | WIPHY_PARAM_RETRY_LONG = 1 << 1, | |
750 | WIPHY_PARAM_FRAG_THRESHOLD = 1 << 2, | |
751 | WIPHY_PARAM_RTS_THRESHOLD = 1 << 3, | |
752 | }; | |
753 | ||
7643a2c3 JB |
754 | /** |
755 | * enum tx_power_setting - TX power adjustment | |
756 | * | |
757 | * @TX_POWER_AUTOMATIC: the dbm parameter is ignored | |
758 | * @TX_POWER_LIMITED: limit TX power by the dbm parameter | |
759 | * @TX_POWER_FIXED: fix TX power to the dbm parameter | |
7643a2c3 JB |
760 | */ |
761 | enum tx_power_setting { | |
762 | TX_POWER_AUTOMATIC, | |
763 | TX_POWER_LIMITED, | |
764 | TX_POWER_FIXED, | |
7643a2c3 JB |
765 | }; |
766 | ||
704232c2 JB |
767 | /** |
768 | * struct cfg80211_ops - backend description for wireless configuration | |
769 | * | |
770 | * This struct is registered by fullmac card drivers and/or wireless stacks | |
771 | * in order to handle configuration requests on their interfaces. | |
772 | * | |
773 | * All callbacks except where otherwise noted should return 0 | |
774 | * on success or a negative error code. | |
775 | * | |
43fb45cb JB |
776 | * All operations are currently invoked under rtnl for consistency with the |
777 | * wireless extensions but this is subject to reevaluation as soon as this | |
778 | * code is used more widely and we have a first user without wext. | |
779 | * | |
0378b3f1 JB |
780 | * @suspend: wiphy device needs to be suspended |
781 | * @resume: wiphy device needs to be resumed | |
782 | * | |
60719ffd JB |
783 | * @add_virtual_intf: create a new virtual interface with the given name, |
784 | * must set the struct wireless_dev's iftype. | |
704232c2 JB |
785 | * |
786 | * @del_virtual_intf: remove the virtual interface determined by ifindex. | |
55682965 | 787 | * |
60719ffd JB |
788 | * @change_virtual_intf: change type/configuration of virtual interface, |
789 | * keep the struct wireless_dev's iftype updated. | |
55682965 | 790 | * |
41ade00f JB |
791 | * @add_key: add a key with the given parameters. @mac_addr will be %NULL |
792 | * when adding a group key. | |
793 | * | |
794 | * @get_key: get information about the key with the given parameters. | |
795 | * @mac_addr will be %NULL when requesting information for a group | |
796 | * key. All pointers given to the @callback function need not be valid | |
e3da574a JB |
797 | * after it returns. This function should return an error if it is |
798 | * not possible to retrieve the key, -ENOENT if it doesn't exist. | |
41ade00f JB |
799 | * |
800 | * @del_key: remove a key given the @mac_addr (%NULL for a group key) | |
e3da574a | 801 | * and @key_index, return -ENOENT if the key doesn't exist. |
41ade00f JB |
802 | * |
803 | * @set_default_key: set the default key on an interface | |
ed1b6cc7 | 804 | * |
3cfcf6ac JM |
805 | * @set_default_mgmt_key: set the default management frame key on an interface |
806 | * | |
ed1b6cc7 JB |
807 | * @add_beacon: Add a beacon with given parameters, @head, @interval |
808 | * and @dtim_period will be valid, @tail is optional. | |
809 | * @set_beacon: Change the beacon parameters for an access point mode | |
810 | * interface. This should reject the call when no beacon has been | |
811 | * configured. | |
812 | * @del_beacon: Remove beacon configuration and stop sending the beacon. | |
5727ef1b JB |
813 | * |
814 | * @add_station: Add a new station. | |
815 | * | |
816 | * @del_station: Remove a station; @mac may be NULL to remove all stations. | |
817 | * | |
818 | * @change_station: Modify a given station. | |
2ec600d6 | 819 | * |
93da9cc1 | 820 | * @get_mesh_params: Put the current mesh parameters into *params |
821 | * | |
822 | * @set_mesh_params: Set mesh parameters. | |
823 | * The mask is a bitfield which tells us which parameters to | |
824 | * set, and which to leave alone. | |
825 | * | |
2ec600d6 | 826 | * @set_mesh_cfg: set mesh parameters (by now, just mesh id) |
9f1ba906 JM |
827 | * |
828 | * @change_bss: Modify parameters for a given BSS. | |
31888487 JM |
829 | * |
830 | * @set_txq_params: Set TX queue parameters | |
72bdcf34 JM |
831 | * |
832 | * @set_channel: Set channel | |
9aed3cc1 | 833 | * |
2a519311 JB |
834 | * @scan: Request to do a scan. If returning zero, the scan request is given |
835 | * the driver, and will be valid until passed to cfg80211_scan_done(). | |
836 | * For scan results, call cfg80211_inform_bss(); you can call this outside | |
837 | * the scan/scan_done bracket too. | |
636a5d36 JM |
838 | * |
839 | * @auth: Request to authenticate with the specified peer | |
840 | * @assoc: Request to (re)associate with the specified peer | |
841 | * @deauth: Request to deauthenticate from the specified peer | |
842 | * @disassoc: Request to disassociate from the specified peer | |
04a773ad JB |
843 | * |
844 | * @join_ibss: Join the specified IBSS (or create if necessary). Once done, call | |
845 | * cfg80211_ibss_joined(), also call that function when changing BSSID due | |
846 | * to a merge. | |
847 | * @leave_ibss: Leave the IBSS. | |
b9a5f8ca JM |
848 | * |
849 | * @set_wiphy_params: Notify that wiphy parameters have changed; | |
850 | * @changed bitfield (see &enum wiphy_params_flags) describes which values | |
851 | * have changed. The actual parameter values are available in | |
852 | * struct wiphy. If returning an error, no value should be changed. | |
7643a2c3 JB |
853 | * |
854 | * @set_tx_power: set the transmit power according to the parameters | |
855 | * @get_tx_power: store the current TX power into the dbm variable; | |
1f87f7d3 JB |
856 | * return 0 if successful |
857 | * | |
858 | * @rfkill_poll: polls the hw rfkill line, use cfg80211 reporting | |
859 | * functions to adjust rfkill hw state | |
704232c2 JB |
860 | */ |
861 | struct cfg80211_ops { | |
0378b3f1 JB |
862 | int (*suspend)(struct wiphy *wiphy); |
863 | int (*resume)(struct wiphy *wiphy); | |
864 | ||
704232c2 | 865 | int (*add_virtual_intf)(struct wiphy *wiphy, char *name, |
2ec600d6 LCC |
866 | enum nl80211_iftype type, u32 *flags, |
867 | struct vif_params *params); | |
704232c2 | 868 | int (*del_virtual_intf)(struct wiphy *wiphy, int ifindex); |
e36d56b6 JB |
869 | int (*change_virtual_intf)(struct wiphy *wiphy, |
870 | struct net_device *dev, | |
2ec600d6 LCC |
871 | enum nl80211_iftype type, u32 *flags, |
872 | struct vif_params *params); | |
41ade00f JB |
873 | |
874 | int (*add_key)(struct wiphy *wiphy, struct net_device *netdev, | |
4e943900 | 875 | u8 key_index, const u8 *mac_addr, |
41ade00f JB |
876 | struct key_params *params); |
877 | int (*get_key)(struct wiphy *wiphy, struct net_device *netdev, | |
4e943900 | 878 | u8 key_index, const u8 *mac_addr, void *cookie, |
41ade00f JB |
879 | void (*callback)(void *cookie, struct key_params*)); |
880 | int (*del_key)(struct wiphy *wiphy, struct net_device *netdev, | |
4e943900 | 881 | u8 key_index, const u8 *mac_addr); |
41ade00f JB |
882 | int (*set_default_key)(struct wiphy *wiphy, |
883 | struct net_device *netdev, | |
884 | u8 key_index); | |
3cfcf6ac JM |
885 | int (*set_default_mgmt_key)(struct wiphy *wiphy, |
886 | struct net_device *netdev, | |
887 | u8 key_index); | |
ed1b6cc7 JB |
888 | |
889 | int (*add_beacon)(struct wiphy *wiphy, struct net_device *dev, | |
890 | struct beacon_parameters *info); | |
891 | int (*set_beacon)(struct wiphy *wiphy, struct net_device *dev, | |
892 | struct beacon_parameters *info); | |
893 | int (*del_beacon)(struct wiphy *wiphy, struct net_device *dev); | |
5727ef1b JB |
894 | |
895 | ||
896 | int (*add_station)(struct wiphy *wiphy, struct net_device *dev, | |
897 | u8 *mac, struct station_parameters *params); | |
898 | int (*del_station)(struct wiphy *wiphy, struct net_device *dev, | |
899 | u8 *mac); | |
900 | int (*change_station)(struct wiphy *wiphy, struct net_device *dev, | |
901 | u8 *mac, struct station_parameters *params); | |
fd5b74dc | 902 | int (*get_station)(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 LCC |
903 | u8 *mac, struct station_info *sinfo); |
904 | int (*dump_station)(struct wiphy *wiphy, struct net_device *dev, | |
905 | int idx, u8 *mac, struct station_info *sinfo); | |
906 | ||
907 | int (*add_mpath)(struct wiphy *wiphy, struct net_device *dev, | |
908 | u8 *dst, u8 *next_hop); | |
909 | int (*del_mpath)(struct wiphy *wiphy, struct net_device *dev, | |
910 | u8 *dst); | |
911 | int (*change_mpath)(struct wiphy *wiphy, struct net_device *dev, | |
912 | u8 *dst, u8 *next_hop); | |
913 | int (*get_mpath)(struct wiphy *wiphy, struct net_device *dev, | |
914 | u8 *dst, u8 *next_hop, | |
915 | struct mpath_info *pinfo); | |
916 | int (*dump_mpath)(struct wiphy *wiphy, struct net_device *dev, | |
917 | int idx, u8 *dst, u8 *next_hop, | |
918 | struct mpath_info *pinfo); | |
93da9cc1 | 919 | int (*get_mesh_params)(struct wiphy *wiphy, |
920 | struct net_device *dev, | |
921 | struct mesh_config *conf); | |
922 | int (*set_mesh_params)(struct wiphy *wiphy, | |
923 | struct net_device *dev, | |
924 | const struct mesh_config *nconf, u32 mask); | |
9f1ba906 JM |
925 | int (*change_bss)(struct wiphy *wiphy, struct net_device *dev, |
926 | struct bss_parameters *params); | |
31888487 JM |
927 | |
928 | int (*set_txq_params)(struct wiphy *wiphy, | |
929 | struct ieee80211_txq_params *params); | |
72bdcf34 JM |
930 | |
931 | int (*set_channel)(struct wiphy *wiphy, | |
932 | struct ieee80211_channel *chan, | |
094d05dc | 933 | enum nl80211_channel_type channel_type); |
9aed3cc1 | 934 | |
2a519311 JB |
935 | int (*scan)(struct wiphy *wiphy, struct net_device *dev, |
936 | struct cfg80211_scan_request *request); | |
636a5d36 JM |
937 | |
938 | int (*auth)(struct wiphy *wiphy, struct net_device *dev, | |
939 | struct cfg80211_auth_request *req); | |
940 | int (*assoc)(struct wiphy *wiphy, struct net_device *dev, | |
941 | struct cfg80211_assoc_request *req); | |
942 | int (*deauth)(struct wiphy *wiphy, struct net_device *dev, | |
943 | struct cfg80211_deauth_request *req); | |
944 | int (*disassoc)(struct wiphy *wiphy, struct net_device *dev, | |
945 | struct cfg80211_disassoc_request *req); | |
04a773ad JB |
946 | |
947 | int (*join_ibss)(struct wiphy *wiphy, struct net_device *dev, | |
948 | struct cfg80211_ibss_params *params); | |
949 | int (*leave_ibss)(struct wiphy *wiphy, struct net_device *dev); | |
b9a5f8ca JM |
950 | |
951 | int (*set_wiphy_params)(struct wiphy *wiphy, u32 changed); | |
7643a2c3 JB |
952 | |
953 | int (*set_tx_power)(struct wiphy *wiphy, | |
954 | enum tx_power_setting type, int dbm); | |
955 | int (*get_tx_power)(struct wiphy *wiphy, int *dbm); | |
1f87f7d3 JB |
956 | |
957 | void (*rfkill_poll)(struct wiphy *wiphy); | |
704232c2 JB |
958 | }; |
959 | ||
d3236553 JB |
960 | /* |
961 | * wireless hardware and networking interfaces structures | |
962 | * and registration/helper functions | |
963 | */ | |
964 | ||
965 | /** | |
966 | * struct wiphy - wireless hardware description | |
967 | * @idx: the wiphy index assigned to this item | |
968 | * @class_dev: the class device representing /sys/class/ieee80211/<wiphy-name> | |
969 | * @custom_regulatory: tells us the driver for this device | |
970 | * has its own custom regulatory domain and cannot identify the | |
971 | * ISO / IEC 3166 alpha2 it belongs to. When this is enabled | |
972 | * we will disregard the first regulatory hint (when the | |
973 | * initiator is %REGDOM_SET_BY_CORE). | |
974 | * @strict_regulatory: tells us the driver for this device will ignore | |
975 | * regulatory domain settings until it gets its own regulatory domain | |
976 | * via its regulatory_hint(). After its gets its own regulatory domain | |
977 | * it will only allow further regulatory domain settings to further | |
978 | * enhance compliance. For example if channel 13 and 14 are disabled | |
979 | * by this regulatory domain no user regulatory domain can enable these | |
980 | * channels at a later time. This can be used for devices which do not | |
981 | * have calibration information gauranteed for frequencies or settings | |
982 | * outside of its regulatory domain. | |
983 | * @reg_notifier: the driver's regulatory notification callback | |
984 | * @regd: the driver's regulatory domain, if one was requested via | |
985 | * the regulatory_hint() API. This can be used by the driver | |
986 | * on the reg_notifier() if it chooses to ignore future | |
987 | * regulatory domain changes caused by other drivers. | |
988 | * @signal_type: signal type reported in &struct cfg80211_bss. | |
989 | * @cipher_suites: supported cipher suites | |
990 | * @n_cipher_suites: number of supported cipher suites | |
b9a5f8ca JM |
991 | * @retry_short: Retry limit for short frames (dot11ShortRetryLimit) |
992 | * @retry_long: Retry limit for long frames (dot11LongRetryLimit) | |
993 | * @frag_threshold: Fragmentation threshold (dot11FragmentationThreshold); | |
994 | * -1 = fragmentation disabled, only odd values >= 256 used | |
995 | * @rts_threshold: RTS threshold (dot11RTSThreshold); -1 = RTS/CTS disabled | |
d3236553 JB |
996 | */ |
997 | struct wiphy { | |
998 | /* assign these fields before you register the wiphy */ | |
999 | ||
1000 | /* permanent MAC address */ | |
1001 | u8 perm_addr[ETH_ALEN]; | |
1002 | ||
1003 | /* Supported interface modes, OR together BIT(NL80211_IFTYPE_...) */ | |
1004 | u16 interface_modes; | |
1005 | ||
1006 | bool custom_regulatory; | |
1007 | bool strict_regulatory; | |
1008 | ||
1009 | enum cfg80211_signal_type signal_type; | |
1010 | ||
1011 | int bss_priv_size; | |
1012 | u8 max_scan_ssids; | |
1013 | u16 max_scan_ie_len; | |
1014 | ||
1015 | int n_cipher_suites; | |
1016 | const u32 *cipher_suites; | |
1017 | ||
b9a5f8ca JM |
1018 | u8 retry_short; |
1019 | u8 retry_long; | |
1020 | u32 frag_threshold; | |
1021 | u32 rts_threshold; | |
1022 | ||
d3236553 JB |
1023 | /* If multiple wiphys are registered and you're handed e.g. |
1024 | * a regular netdev with assigned ieee80211_ptr, you won't | |
1025 | * know whether it points to a wiphy your driver has registered | |
1026 | * or not. Assign this to something global to your driver to | |
1027 | * help determine whether you own this wiphy or not. */ | |
cf5aa2f1 | 1028 | const void *privid; |
d3236553 JB |
1029 | |
1030 | struct ieee80211_supported_band *bands[IEEE80211_NUM_BANDS]; | |
1031 | ||
1032 | /* Lets us get back the wiphy on the callback */ | |
1033 | int (*reg_notifier)(struct wiphy *wiphy, | |
1034 | struct regulatory_request *request); | |
1035 | ||
1036 | /* fields below are read-only, assigned by cfg80211 */ | |
1037 | ||
1038 | const struct ieee80211_regdomain *regd; | |
1039 | ||
1040 | /* the item in /sys/class/ieee80211/ points to this, | |
1041 | * you need use set_wiphy_dev() (see below) */ | |
1042 | struct device dev; | |
1043 | ||
1044 | /* dir in debugfs: ieee80211/<wiphyname> */ | |
1045 | struct dentry *debugfsdir; | |
1046 | ||
1047 | char priv[0] __attribute__((__aligned__(NETDEV_ALIGN))); | |
1048 | }; | |
1049 | ||
1050 | /** | |
1051 | * wiphy_priv - return priv from wiphy | |
1052 | * | |
1053 | * @wiphy: the wiphy whose priv pointer to return | |
1054 | */ | |
1055 | static inline void *wiphy_priv(struct wiphy *wiphy) | |
1056 | { | |
1057 | BUG_ON(!wiphy); | |
1058 | return &wiphy->priv; | |
1059 | } | |
1060 | ||
f1f74825 DK |
1061 | /** |
1062 | * priv_to_wiphy - return the wiphy containing the priv | |
1063 | * | |
1064 | * @priv: a pointer previously returned by wiphy_priv | |
1065 | */ | |
1066 | static inline struct wiphy *priv_to_wiphy(void *priv) | |
1067 | { | |
1068 | BUG_ON(!priv); | |
1069 | return container_of(priv, struct wiphy, priv); | |
1070 | } | |
1071 | ||
d3236553 JB |
1072 | /** |
1073 | * set_wiphy_dev - set device pointer for wiphy | |
1074 | * | |
1075 | * @wiphy: The wiphy whose device to bind | |
1076 | * @dev: The device to parent it to | |
1077 | */ | |
1078 | static inline void set_wiphy_dev(struct wiphy *wiphy, struct device *dev) | |
1079 | { | |
1080 | wiphy->dev.parent = dev; | |
1081 | } | |
1082 | ||
1083 | /** | |
1084 | * wiphy_dev - get wiphy dev pointer | |
1085 | * | |
1086 | * @wiphy: The wiphy whose device struct to look up | |
1087 | */ | |
1088 | static inline struct device *wiphy_dev(struct wiphy *wiphy) | |
1089 | { | |
1090 | return wiphy->dev.parent; | |
1091 | } | |
1092 | ||
1093 | /** | |
1094 | * wiphy_name - get wiphy name | |
1095 | * | |
1096 | * @wiphy: The wiphy whose name to return | |
1097 | */ | |
1098 | static inline const char *wiphy_name(struct wiphy *wiphy) | |
1099 | { | |
1100 | return dev_name(&wiphy->dev); | |
1101 | } | |
1102 | ||
1103 | /** | |
1104 | * wiphy_new - create a new wiphy for use with cfg80211 | |
1105 | * | |
1106 | * @ops: The configuration operations for this device | |
1107 | * @sizeof_priv: The size of the private area to allocate | |
1108 | * | |
1109 | * Create a new wiphy and associate the given operations with it. | |
1110 | * @sizeof_priv bytes are allocated for private use. | |
1111 | * | |
1112 | * The returned pointer must be assigned to each netdev's | |
1113 | * ieee80211_ptr for proper operation. | |
1114 | */ | |
3dcf670b | 1115 | struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv); |
d3236553 JB |
1116 | |
1117 | /** | |
1118 | * wiphy_register - register a wiphy with cfg80211 | |
1119 | * | |
1120 | * @wiphy: The wiphy to register. | |
1121 | * | |
1122 | * Returns a non-negative wiphy index or a negative error code. | |
1123 | */ | |
1124 | extern int wiphy_register(struct wiphy *wiphy); | |
1125 | ||
1126 | /** | |
1127 | * wiphy_unregister - deregister a wiphy from cfg80211 | |
1128 | * | |
1129 | * @wiphy: The wiphy to unregister. | |
1130 | * | |
1131 | * After this call, no more requests can be made with this priv | |
1132 | * pointer, but the call may sleep to wait for an outstanding | |
1133 | * request that is being handled. | |
1134 | */ | |
1135 | extern void wiphy_unregister(struct wiphy *wiphy); | |
1136 | ||
1137 | /** | |
1138 | * wiphy_free - free wiphy | |
1139 | * | |
1140 | * @wiphy: The wiphy to free | |
1141 | */ | |
1142 | extern void wiphy_free(struct wiphy *wiphy); | |
1143 | ||
1144 | /** | |
1145 | * struct wireless_dev - wireless per-netdev state | |
1146 | * | |
1147 | * This structure must be allocated by the driver/stack | |
1148 | * that uses the ieee80211_ptr field in struct net_device | |
1149 | * (this is intentional so it can be allocated along with | |
1150 | * the netdev.) | |
1151 | * | |
1152 | * @wiphy: pointer to hardware description | |
1153 | * @iftype: interface type | |
1154 | * @list: (private) Used to collect the interfaces | |
1155 | * @netdev: (private) Used to reference back to the netdev | |
1156 | * @current_bss: (private) Used by the internal configuration code | |
1157 | * @bssid: (private) Used by the internal configuration code | |
1158 | * @ssid: (private) Used by the internal configuration code | |
1159 | * @ssid_len: (private) Used by the internal configuration code | |
1160 | * @wext: (private) Used by the internal wireless extensions compat code | |
1161 | * @wext_bssid: (private) Used by the internal wireless extensions compat code | |
1162 | */ | |
1163 | struct wireless_dev { | |
1164 | struct wiphy *wiphy; | |
1165 | enum nl80211_iftype iftype; | |
1166 | ||
1167 | /* private to the generic wireless code */ | |
1168 | struct list_head list; | |
1169 | struct net_device *netdev; | |
1170 | ||
1171 | /* currently used for IBSS - might be rearranged in the future */ | |
1172 | struct cfg80211_bss *current_bss; | |
1173 | u8 bssid[ETH_ALEN]; | |
1174 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
1175 | u8 ssid_len; | |
1176 | ||
1177 | #ifdef CONFIG_WIRELESS_EXT | |
1178 | /* wext data */ | |
cbe8fa9c JB |
1179 | struct { |
1180 | struct cfg80211_ibss_params ibss; | |
1181 | u8 bssid[ETH_ALEN]; | |
08645126 | 1182 | s8 default_key, default_mgmt_key; |
cbe8fa9c | 1183 | } wext; |
d3236553 JB |
1184 | #endif |
1185 | }; | |
1186 | ||
1187 | /** | |
1188 | * wdev_priv - return wiphy priv from wireless_dev | |
1189 | * | |
1190 | * @wdev: The wireless device whose wiphy's priv pointer to return | |
1191 | */ | |
1192 | static inline void *wdev_priv(struct wireless_dev *wdev) | |
1193 | { | |
1194 | BUG_ON(!wdev); | |
1195 | return wiphy_priv(wdev->wiphy); | |
1196 | } | |
1197 | ||
1198 | /* | |
1199 | * Utility functions | |
1200 | */ | |
1201 | ||
1202 | /** | |
1203 | * ieee80211_channel_to_frequency - convert channel number to frequency | |
1204 | */ | |
1205 | extern int ieee80211_channel_to_frequency(int chan); | |
1206 | ||
1207 | /** | |
1208 | * ieee80211_frequency_to_channel - convert frequency to channel number | |
1209 | */ | |
1210 | extern int ieee80211_frequency_to_channel(int freq); | |
1211 | ||
1212 | /* | |
1213 | * Name indirection necessary because the ieee80211 code also has | |
1214 | * a function named "ieee80211_get_channel", so if you include | |
1215 | * cfg80211's header file you get cfg80211's version, if you try | |
1216 | * to include both header files you'll (rightfully!) get a symbol | |
1217 | * clash. | |
1218 | */ | |
1219 | extern struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy, | |
1220 | int freq); | |
1221 | /** | |
1222 | * ieee80211_get_channel - get channel struct from wiphy for specified frequency | |
1223 | */ | |
1224 | static inline struct ieee80211_channel * | |
1225 | ieee80211_get_channel(struct wiphy *wiphy, int freq) | |
1226 | { | |
1227 | return __ieee80211_get_channel(wiphy, freq); | |
1228 | } | |
1229 | ||
1230 | /** | |
1231 | * ieee80211_get_response_rate - get basic rate for a given rate | |
1232 | * | |
1233 | * @sband: the band to look for rates in | |
1234 | * @basic_rates: bitmap of basic rates | |
1235 | * @bitrate: the bitrate for which to find the basic rate | |
1236 | * | |
1237 | * This function returns the basic rate corresponding to a given | |
1238 | * bitrate, that is the next lower bitrate contained in the basic | |
1239 | * rate map, which is, for this function, given as a bitmap of | |
1240 | * indices of rates in the band's bitrate table. | |
1241 | */ | |
1242 | struct ieee80211_rate * | |
1243 | ieee80211_get_response_rate(struct ieee80211_supported_band *sband, | |
1244 | u32 basic_rates, int bitrate); | |
1245 | ||
1246 | /* | |
1247 | * Radiotap parsing functions -- for controlled injection support | |
1248 | * | |
1249 | * Implemented in net/wireless/radiotap.c | |
1250 | * Documentation in Documentation/networking/radiotap-headers.txt | |
1251 | */ | |
1252 | ||
1253 | /** | |
1254 | * struct ieee80211_radiotap_iterator - tracks walk thru present radiotap args | |
1255 | * @rtheader: pointer to the radiotap header we are walking through | |
1256 | * @max_length: length of radiotap header in cpu byte ordering | |
1257 | * @this_arg_index: IEEE80211_RADIOTAP_... index of current arg | |
1258 | * @this_arg: pointer to current radiotap arg | |
1259 | * @arg_index: internal next argument index | |
1260 | * @arg: internal next argument pointer | |
1261 | * @next_bitmap: internal pointer to next present u32 | |
1262 | * @bitmap_shifter: internal shifter for curr u32 bitmap, b0 set == arg present | |
1263 | */ | |
1264 | ||
1265 | struct ieee80211_radiotap_iterator { | |
1266 | struct ieee80211_radiotap_header *rtheader; | |
1267 | int max_length; | |
1268 | int this_arg_index; | |
1269 | u8 *this_arg; | |
1270 | ||
1271 | int arg_index; | |
1272 | u8 *arg; | |
1273 | __le32 *next_bitmap; | |
1274 | u32 bitmap_shifter; | |
1275 | }; | |
1276 | ||
1277 | extern int ieee80211_radiotap_iterator_init( | |
1278 | struct ieee80211_radiotap_iterator *iterator, | |
1279 | struct ieee80211_radiotap_header *radiotap_header, | |
1280 | int max_length); | |
1281 | ||
1282 | extern int ieee80211_radiotap_iterator_next( | |
1283 | struct ieee80211_radiotap_iterator *iterator); | |
1284 | ||
e31a16d6 ZY |
1285 | extern const unsigned char rfc1042_header[6]; |
1286 | extern const unsigned char bridge_tunnel_header[6]; | |
1287 | ||
1288 | /** | |
1289 | * ieee80211_get_hdrlen_from_skb - get header length from data | |
1290 | * | |
1291 | * Given an skb with a raw 802.11 header at the data pointer this function | |
1292 | * returns the 802.11 header length in bytes (not including encryption | |
1293 | * headers). If the data in the sk_buff is too short to contain a valid 802.11 | |
1294 | * header the function returns 0. | |
1295 | * | |
1296 | * @skb: the frame | |
1297 | */ | |
1298 | unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb); | |
1299 | ||
1300 | /** | |
1301 | * ieee80211_hdrlen - get header length in bytes from frame control | |
1302 | * @fc: frame control field in little-endian format | |
1303 | */ | |
1304 | unsigned int ieee80211_hdrlen(__le16 fc); | |
1305 | ||
1306 | /** | |
1307 | * ieee80211_data_to_8023 - convert an 802.11 data frame to 802.3 | |
1308 | * @skb: the 802.11 data frame | |
1309 | * @addr: the device MAC address | |
1310 | * @iftype: the virtual interface type | |
1311 | */ | |
1312 | int ieee80211_data_to_8023(struct sk_buff *skb, u8 *addr, | |
1313 | enum nl80211_iftype iftype); | |
1314 | ||
1315 | /** | |
1316 | * ieee80211_data_from_8023 - convert an 802.3 frame to 802.11 | |
1317 | * @skb: the 802.3 frame | |
1318 | * @addr: the device MAC address | |
1319 | * @iftype: the virtual interface type | |
1320 | * @bssid: the network bssid (used only for iftype STATION and ADHOC) | |
1321 | * @qos: build 802.11 QoS data frame | |
1322 | */ | |
1323 | int ieee80211_data_from_8023(struct sk_buff *skb, u8 *addr, | |
1324 | enum nl80211_iftype iftype, u8 *bssid, bool qos); | |
1325 | ||
1326 | /** | |
1327 | * cfg80211_classify8021d - determine the 802.1p/1d tag for a data frame | |
1328 | * @skb: the data frame | |
1329 | */ | |
1330 | unsigned int cfg80211_classify8021d(struct sk_buff *skb); | |
1331 | ||
d3236553 JB |
1332 | /* |
1333 | * Regulatory helper functions for wiphys | |
1334 | */ | |
1335 | ||
1336 | /** | |
1337 | * regulatory_hint - driver hint to the wireless core a regulatory domain | |
1338 | * @wiphy: the wireless device giving the hint (used only for reporting | |
1339 | * conflicts) | |
1340 | * @alpha2: the ISO/IEC 3166 alpha2 the driver claims its regulatory domain | |
1341 | * should be in. If @rd is set this should be NULL. Note that if you | |
1342 | * set this to NULL you should still set rd->alpha2 to some accepted | |
1343 | * alpha2. | |
1344 | * | |
1345 | * Wireless drivers can use this function to hint to the wireless core | |
1346 | * what it believes should be the current regulatory domain by | |
1347 | * giving it an ISO/IEC 3166 alpha2 country code it knows its regulatory | |
1348 | * domain should be in or by providing a completely build regulatory domain. | |
1349 | * If the driver provides an ISO/IEC 3166 alpha2 userspace will be queried | |
1350 | * for a regulatory domain structure for the respective country. | |
1351 | * | |
1352 | * The wiphy must have been registered to cfg80211 prior to this call. | |
1353 | * For cfg80211 drivers this means you must first use wiphy_register(), | |
1354 | * for mac80211 drivers you must first use ieee80211_register_hw(). | |
1355 | * | |
1356 | * Drivers should check the return value, its possible you can get | |
1357 | * an -ENOMEM. | |
1358 | */ | |
1359 | extern int regulatory_hint(struct wiphy *wiphy, const char *alpha2); | |
1360 | ||
1361 | /** | |
1362 | * regulatory_hint_11d - hints a country IE as a regulatory domain | |
1363 | * @wiphy: the wireless device giving the hint (used only for reporting | |
1364 | * conflicts) | |
1365 | * @country_ie: pointer to the country IE | |
1366 | * @country_ie_len: length of the country IE | |
1367 | * | |
1368 | * We will intersect the rd with the what CRDA tells us should apply | |
1369 | * for the alpha2 this country IE belongs to, this prevents APs from | |
1370 | * sending us incorrect or outdated information against a country. | |
1371 | */ | |
1372 | extern void regulatory_hint_11d(struct wiphy *wiphy, | |
1373 | u8 *country_ie, | |
1374 | u8 country_ie_len); | |
1375 | /** | |
1376 | * wiphy_apply_custom_regulatory - apply a custom driver regulatory domain | |
1377 | * @wiphy: the wireless device we want to process the regulatory domain on | |
1378 | * @regd: the custom regulatory domain to use for this wiphy | |
1379 | * | |
1380 | * Drivers can sometimes have custom regulatory domains which do not apply | |
1381 | * to a specific country. Drivers can use this to apply such custom regulatory | |
1382 | * domains. This routine must be called prior to wiphy registration. The | |
1383 | * custom regulatory domain will be trusted completely and as such previous | |
1384 | * default channel settings will be disregarded. If no rule is found for a | |
1385 | * channel on the regulatory domain the channel will be disabled. | |
1386 | */ | |
1387 | extern void wiphy_apply_custom_regulatory( | |
1388 | struct wiphy *wiphy, | |
1389 | const struct ieee80211_regdomain *regd); | |
1390 | ||
1391 | /** | |
1392 | * freq_reg_info - get regulatory information for the given frequency | |
1393 | * @wiphy: the wiphy for which we want to process this rule for | |
1394 | * @center_freq: Frequency in KHz for which we want regulatory information for | |
038659e7 LR |
1395 | * @desired_bw_khz: the desired max bandwidth you want to use per |
1396 | * channel. Note that this is still 20 MHz if you want to use HT40 | |
1397 | * as HT40 makes use of two channels for its 40 MHz width bandwidth. | |
1398 | * If set to 0 we'll assume you want the standard 20 MHz. | |
d3236553 JB |
1399 | * @reg_rule: the regulatory rule which we have for this frequency |
1400 | * | |
1401 | * Use this function to get the regulatory rule for a specific frequency on | |
1402 | * a given wireless device. If the device has a specific regulatory domain | |
1403 | * it wants to follow we respect that unless a country IE has been received | |
1404 | * and processed already. | |
1405 | * | |
1406 | * Returns 0 if it was able to find a valid regulatory rule which does | |
1407 | * apply to the given center_freq otherwise it returns non-zero. It will | |
1408 | * also return -ERANGE if we determine the given center_freq does not even have | |
1409 | * a regulatory rule for a frequency range in the center_freq's band. See | |
1410 | * freq_in_rule_band() for our current definition of a band -- this is purely | |
1411 | * subjective and right now its 802.11 specific. | |
1412 | */ | |
038659e7 LR |
1413 | extern int freq_reg_info(struct wiphy *wiphy, |
1414 | u32 center_freq, | |
1415 | u32 desired_bw_khz, | |
d3236553 JB |
1416 | const struct ieee80211_reg_rule **reg_rule); |
1417 | ||
1418 | /* | |
1419 | * Temporary wext handlers & helper functions | |
1420 | * | |
1421 | * In the future cfg80211 will simply assign the entire wext handler | |
1422 | * structure to netdevs it manages, but we're not there yet. | |
1423 | */ | |
fee52678 JB |
1424 | int cfg80211_wext_giwname(struct net_device *dev, |
1425 | struct iw_request_info *info, | |
1426 | char *name, char *extra); | |
e60c7744 JB |
1427 | int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info, |
1428 | u32 *mode, char *extra); | |
1429 | int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info, | |
1430 | u32 *mode, char *extra); | |
2a519311 JB |
1431 | int cfg80211_wext_siwscan(struct net_device *dev, |
1432 | struct iw_request_info *info, | |
1433 | union iwreq_data *wrqu, char *extra); | |
1434 | int cfg80211_wext_giwscan(struct net_device *dev, | |
1435 | struct iw_request_info *info, | |
1436 | struct iw_point *data, char *extra); | |
691597cb JB |
1437 | int cfg80211_wext_siwmlme(struct net_device *dev, |
1438 | struct iw_request_info *info, | |
1439 | struct iw_point *data, char *extra); | |
4aa188e1 JB |
1440 | int cfg80211_wext_giwrange(struct net_device *dev, |
1441 | struct iw_request_info *info, | |
1442 | struct iw_point *data, char *extra); | |
04a773ad JB |
1443 | int cfg80211_ibss_wext_siwfreq(struct net_device *dev, |
1444 | struct iw_request_info *info, | |
1445 | struct iw_freq *freq, char *extra); | |
1446 | int cfg80211_ibss_wext_giwfreq(struct net_device *dev, | |
1447 | struct iw_request_info *info, | |
1448 | struct iw_freq *freq, char *extra); | |
1449 | int cfg80211_ibss_wext_siwessid(struct net_device *dev, | |
1450 | struct iw_request_info *info, | |
1451 | struct iw_point *data, char *ssid); | |
1452 | int cfg80211_ibss_wext_giwessid(struct net_device *dev, | |
1453 | struct iw_request_info *info, | |
1454 | struct iw_point *data, char *ssid); | |
1455 | int cfg80211_ibss_wext_siwap(struct net_device *dev, | |
1456 | struct iw_request_info *info, | |
1457 | struct sockaddr *ap_addr, char *extra); | |
1458 | int cfg80211_ibss_wext_giwap(struct net_device *dev, | |
1459 | struct iw_request_info *info, | |
1460 | struct sockaddr *ap_addr, char *extra); | |
1461 | ||
04a773ad JB |
1462 | struct ieee80211_channel *cfg80211_wext_freq(struct wiphy *wiphy, |
1463 | struct iw_freq *freq); | |
2a519311 | 1464 | |
b9a5f8ca JM |
1465 | int cfg80211_wext_siwrts(struct net_device *dev, |
1466 | struct iw_request_info *info, | |
1467 | struct iw_param *rts, char *extra); | |
1468 | int cfg80211_wext_giwrts(struct net_device *dev, | |
1469 | struct iw_request_info *info, | |
1470 | struct iw_param *rts, char *extra); | |
1471 | int cfg80211_wext_siwfrag(struct net_device *dev, | |
1472 | struct iw_request_info *info, | |
1473 | struct iw_param *frag, char *extra); | |
1474 | int cfg80211_wext_giwfrag(struct net_device *dev, | |
1475 | struct iw_request_info *info, | |
1476 | struct iw_param *frag, char *extra); | |
1477 | int cfg80211_wext_siwretry(struct net_device *dev, | |
1478 | struct iw_request_info *info, | |
1479 | struct iw_param *retry, char *extra); | |
1480 | int cfg80211_wext_giwretry(struct net_device *dev, | |
1481 | struct iw_request_info *info, | |
1482 | struct iw_param *retry, char *extra); | |
08645126 JB |
1483 | int cfg80211_wext_siwencodeext(struct net_device *dev, |
1484 | struct iw_request_info *info, | |
1485 | struct iw_point *erq, char *extra); | |
1486 | int cfg80211_wext_siwencode(struct net_device *dev, | |
1487 | struct iw_request_info *info, | |
1488 | struct iw_point *erq, char *keybuf); | |
1489 | int cfg80211_wext_giwencode(struct net_device *dev, | |
1490 | struct iw_request_info *info, | |
1491 | struct iw_point *erq, char *keybuf); | |
7643a2c3 JB |
1492 | int cfg80211_wext_siwtxpower(struct net_device *dev, |
1493 | struct iw_request_info *info, | |
1494 | union iwreq_data *data, char *keybuf); | |
1495 | int cfg80211_wext_giwtxpower(struct net_device *dev, | |
1496 | struct iw_request_info *info, | |
1497 | union iwreq_data *data, char *keybuf); | |
b9a5f8ca | 1498 | |
d3236553 JB |
1499 | /* |
1500 | * callbacks for asynchronous cfg80211 methods, notification | |
1501 | * functions and BSS handling helpers | |
1502 | */ | |
1503 | ||
2a519311 JB |
1504 | /** |
1505 | * cfg80211_scan_done - notify that scan finished | |
1506 | * | |
1507 | * @request: the corresponding scan request | |
1508 | * @aborted: set to true if the scan was aborted for any reason, | |
1509 | * userspace will be notified of that | |
1510 | */ | |
1511 | void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted); | |
1512 | ||
1513 | /** | |
1514 | * cfg80211_inform_bss - inform cfg80211 of a new BSS | |
1515 | * | |
1516 | * @wiphy: the wiphy reporting the BSS | |
1517 | * @bss: the found BSS | |
77965c97 | 1518 | * @signal: the signal strength, type depends on the wiphy's signal_type |
2a519311 JB |
1519 | * @gfp: context flags |
1520 | * | |
1521 | * This informs cfg80211 that BSS information was found and | |
1522 | * the BSS should be updated/added. | |
1523 | */ | |
1524 | struct cfg80211_bss* | |
1525 | cfg80211_inform_bss_frame(struct wiphy *wiphy, | |
1526 | struct ieee80211_channel *channel, | |
1527 | struct ieee80211_mgmt *mgmt, size_t len, | |
77965c97 | 1528 | s32 signal, gfp_t gfp); |
2a519311 | 1529 | |
06aa7afa JK |
1530 | struct cfg80211_bss* |
1531 | cfg80211_inform_bss(struct wiphy *wiphy, | |
1532 | struct ieee80211_channel *channel, | |
1533 | const u8 *bssid, | |
1534 | u64 timestamp, u16 capability, u16 beacon_interval, | |
1535 | const u8 *ie, size_t ielen, | |
1536 | s32 signal, gfp_t gfp); | |
1537 | ||
2a519311 JB |
1538 | struct cfg80211_bss *cfg80211_get_bss(struct wiphy *wiphy, |
1539 | struct ieee80211_channel *channel, | |
1540 | const u8 *bssid, | |
79420f09 JB |
1541 | const u8 *ssid, size_t ssid_len, |
1542 | u16 capa_mask, u16 capa_val); | |
1543 | static inline struct cfg80211_bss * | |
1544 | cfg80211_get_ibss(struct wiphy *wiphy, | |
1545 | struct ieee80211_channel *channel, | |
1546 | const u8 *ssid, size_t ssid_len) | |
1547 | { | |
1548 | return cfg80211_get_bss(wiphy, channel, NULL, ssid, ssid_len, | |
1549 | WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS); | |
1550 | } | |
1551 | ||
2a519311 JB |
1552 | struct cfg80211_bss *cfg80211_get_mesh(struct wiphy *wiphy, |
1553 | struct ieee80211_channel *channel, | |
1554 | const u8 *meshid, size_t meshidlen, | |
1555 | const u8 *meshcfg); | |
1556 | void cfg80211_put_bss(struct cfg80211_bss *bss); | |
d3236553 | 1557 | |
d491af19 JB |
1558 | /** |
1559 | * cfg80211_unlink_bss - unlink BSS from internal data structures | |
1560 | * @wiphy: the wiphy | |
1561 | * @bss: the bss to remove | |
1562 | * | |
1563 | * This function removes the given BSS from the internal data structures | |
1564 | * thereby making it no longer show up in scan results etc. Use this | |
1565 | * function when you detect a BSS is gone. Normally BSSes will also time | |
1566 | * out, so it is not necessary to use this function at all. | |
1567 | */ | |
1568 | void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *bss); | |
fee52678 | 1569 | |
6039f6d2 JM |
1570 | /** |
1571 | * cfg80211_send_rx_auth - notification of processed authentication | |
1572 | * @dev: network device | |
1573 | * @buf: authentication frame (header + body) | |
1574 | * @len: length of the frame data | |
1575 | * | |
1576 | * This function is called whenever an authentication has been processed in | |
1965c853 JM |
1577 | * station mode. The driver is required to call either this function or |
1578 | * cfg80211_send_auth_timeout() to indicate the result of cfg80211_ops::auth() | |
1579 | * call. | |
6039f6d2 JM |
1580 | */ |
1581 | void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len); | |
1582 | ||
1965c853 JM |
1583 | /** |
1584 | * cfg80211_send_auth_timeout - notification of timed out authentication | |
1585 | * @dev: network device | |
1586 | * @addr: The MAC address of the device with which the authentication timed out | |
1587 | */ | |
1588 | void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr); | |
1589 | ||
6039f6d2 JM |
1590 | /** |
1591 | * cfg80211_send_rx_assoc - notification of processed association | |
1592 | * @dev: network device | |
1593 | * @buf: (re)association response frame (header + body) | |
1594 | * @len: length of the frame data | |
1595 | * | |
1596 | * This function is called whenever a (re)association response has been | |
1965c853 JM |
1597 | * processed in station mode. The driver is required to call either this |
1598 | * function or cfg80211_send_assoc_timeout() to indicate the result of | |
1599 | * cfg80211_ops::assoc() call. | |
6039f6d2 JM |
1600 | */ |
1601 | void cfg80211_send_rx_assoc(struct net_device *dev, const u8 *buf, size_t len); | |
1602 | ||
1965c853 JM |
1603 | /** |
1604 | * cfg80211_send_assoc_timeout - notification of timed out association | |
1605 | * @dev: network device | |
1606 | * @addr: The MAC address of the device with which the association timed out | |
1607 | */ | |
1608 | void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr); | |
1609 | ||
6039f6d2 | 1610 | /** |
53b46b84 | 1611 | * cfg80211_send_deauth - notification of processed deauthentication |
6039f6d2 JM |
1612 | * @dev: network device |
1613 | * @buf: deauthentication frame (header + body) | |
1614 | * @len: length of the frame data | |
1615 | * | |
1616 | * This function is called whenever deauthentication has been processed in | |
53b46b84 JM |
1617 | * station mode. This includes both received deauthentication frames and |
1618 | * locally generated ones. | |
6039f6d2 | 1619 | */ |
53b46b84 | 1620 | void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len); |
6039f6d2 JM |
1621 | |
1622 | /** | |
53b46b84 | 1623 | * cfg80211_send_disassoc - notification of processed disassociation |
6039f6d2 JM |
1624 | * @dev: network device |
1625 | * @buf: disassociation response frame (header + body) | |
1626 | * @len: length of the frame data | |
1627 | * | |
1628 | * This function is called whenever disassociation has been processed in | |
53b46b84 JM |
1629 | * station mode. This includes both received disassociation frames and locally |
1630 | * generated ones. | |
6039f6d2 | 1631 | */ |
53b46b84 | 1632 | void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len); |
6039f6d2 | 1633 | |
a08c1c1a KV |
1634 | /** |
1635 | * cfg80211_hold_bss - exclude bss from expiration | |
1636 | * @bss: bss which should not expire | |
1637 | * | |
1638 | * In a case when the BSS is not updated but it shouldn't expire this | |
1639 | * function can be used to mark the BSS to be excluded from expiration. | |
1640 | */ | |
1641 | void cfg80211_hold_bss(struct cfg80211_bss *bss); | |
1642 | ||
1643 | /** | |
1644 | * cfg80211_unhold_bss - remove expiration exception from the BSS | |
1645 | * @bss: bss which can expire again | |
1646 | * | |
1647 | * This function marks the BSS to be expirable again. | |
1648 | */ | |
1649 | void cfg80211_unhold_bss(struct cfg80211_bss *bss); | |
1650 | ||
a3b8b056 JM |
1651 | /** |
1652 | * cfg80211_michael_mic_failure - notification of Michael MIC failure (TKIP) | |
1653 | * @dev: network device | |
1654 | * @addr: The source MAC address of the frame | |
1655 | * @key_type: The key type that the received frame used | |
1656 | * @key_id: Key identifier (0..3) | |
1657 | * @tsc: The TSC value of the frame that generated the MIC failure (6 octets) | |
1658 | * | |
1659 | * This function is called whenever the local MAC detects a MIC failure in a | |
1660 | * received frame. This matches with MLME-MICHAELMICFAILURE.indication() | |
1661 | * primitive. | |
1662 | */ | |
1663 | void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr, | |
1664 | enum nl80211_key_type key_type, int key_id, | |
1665 | const u8 *tsc); | |
1666 | ||
04a773ad JB |
1667 | /** |
1668 | * cfg80211_ibss_joined - notify cfg80211 that device joined an IBSS | |
1669 | * | |
1670 | * @dev: network device | |
1671 | * @bssid: the BSSID of the IBSS joined | |
1672 | * @gfp: allocation flags | |
1673 | * | |
1674 | * This function notifies cfg80211 that the device joined an IBSS or | |
1675 | * switched to a different BSSID. Before this function can be called, | |
1676 | * either a beacon has to have been received from the IBSS, or one of | |
1677 | * the cfg80211_inform_bss{,_frame} functions must have been called | |
1678 | * with the locally generated beacon -- this guarantees that there is | |
1679 | * always a scan result for this IBSS. cfg80211 will handle the rest. | |
1680 | */ | |
1681 | void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp); | |
1682 | ||
1f87f7d3 JB |
1683 | /** |
1684 | * wiphy_rfkill_set_hw_state - notify cfg80211 about hw block state | |
1685 | * @wiphy: the wiphy | |
1686 | * @blocked: block status | |
1687 | */ | |
1688 | void wiphy_rfkill_set_hw_state(struct wiphy *wiphy, bool blocked); | |
1689 | ||
1690 | /** | |
1691 | * wiphy_rfkill_start_polling - start polling rfkill | |
1692 | * @wiphy: the wiphy | |
1693 | */ | |
1694 | void wiphy_rfkill_start_polling(struct wiphy *wiphy); | |
1695 | ||
1696 | /** | |
1697 | * wiphy_rfkill_stop_polling - stop polling rfkill | |
1698 | * @wiphy: the wiphy | |
1699 | */ | |
1700 | void wiphy_rfkill_stop_polling(struct wiphy *wiphy); | |
1701 | ||
704232c2 | 1702 | #endif /* __NET_CFG80211_H */ |