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1 | /****************************************************************************** |
2 | * | |
3 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
4 | * redistributing this file, you may do so under either license. | |
5 | * | |
6 | * GPL LICENSE SUMMARY | |
7 | * | |
8 | * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
22 | * USA | |
23 | * | |
24 | * The full GNU General Public License is included in this distribution | |
410dc5aa | 25 | * in the file called COPYING. |
8ca151b5 JB |
26 | * |
27 | * Contact Information: | |
28 | * Intel Linux Wireless <ilw@linux.intel.com> | |
29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
30 | * | |
31 | * BSD LICENSE | |
32 | * | |
33 | * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved. | |
34 | * All rights reserved. | |
35 | * | |
36 | * Redistribution and use in source and binary forms, with or without | |
37 | * modification, are permitted provided that the following conditions | |
38 | * are met: | |
39 | * | |
40 | * * Redistributions of source code must retain the above copyright | |
41 | * notice, this list of conditions and the following disclaimer. | |
42 | * * Redistributions in binary form must reproduce the above copyright | |
43 | * notice, this list of conditions and the following disclaimer in | |
44 | * the documentation and/or other materials provided with the | |
45 | * distribution. | |
46 | * * Neither the name Intel Corporation nor the names of its | |
47 | * contributors may be used to endorse or promote products derived | |
48 | * from this software without specific prior written permission. | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
61 | * | |
62 | *****************************************************************************/ | |
63 | ||
64 | #ifndef __fw_api_scan_h__ | |
65 | #define __fw_api_scan_h__ | |
66 | ||
67 | #include "fw-api.h" | |
68 | ||
69 | /* Scan Commands, Responses, Notifications */ | |
70 | ||
71 | /* Masks for iwl_scan_channel.type flags */ | |
72 | #define SCAN_CHANNEL_TYPE_PASSIVE 0 | |
73 | #define SCAN_CHANNEL_TYPE_ACTIVE BIT(0) | |
74 | #define SCAN_CHANNEL_NARROW_BAND BIT(22) | |
75 | ||
76 | /* Max number of IEs for direct SSID scans in a command */ | |
77 | #define PROBE_OPTION_MAX 20 | |
78 | ||
79 | /** | |
80 | * struct iwl_scan_channel - entry in REPLY_SCAN_CMD channel table | |
81 | * @channel: band is selected by iwl_scan_cmd "flags" field | |
82 | * @tx_gain: gain for analog radio | |
83 | * @dsp_atten: gain for DSP | |
84 | * @active_dwell: dwell time for active scan in TU, typically 5-50 | |
85 | * @passive_dwell: dwell time for passive scan in TU, typically 20-500 | |
86 | * @type: type is broken down to these bits: | |
87 | * bit 0: 0 = passive, 1 = active | |
88 | * bits 1-20: SSID direct bit map. If any of these bits is set then | |
89 | * the corresponding SSID IE is transmitted in probe request | |
90 | * (bit i adds IE in position i to the probe request) | |
91 | * bit 22: channel width, 0 = regular, 1 = TGj narrow channel | |
92 | * | |
93 | * @iteration_count: | |
94 | * @iteration_interval: | |
95 | * This struct is used once for each channel in the scan list. | |
96 | * Each channel can independently select: | |
97 | * 1) SSID for directed active scans | |
98 | * 2) Txpower setting (for rate specified within Tx command) | |
99 | * 3) How long to stay on-channel (behavior may be modified by quiet_time, | |
100 | * quiet_plcp_th, good_CRC_th) | |
101 | * | |
102 | * To avoid uCode errors, make sure the following are true (see comments | |
103 | * under struct iwl_scan_cmd about max_out_time and quiet_time): | |
104 | * 1) If using passive_dwell (i.e. passive_dwell != 0): | |
105 | * active_dwell <= passive_dwell (< max_out_time if max_out_time != 0) | |
106 | * 2) quiet_time <= active_dwell | |
107 | * 3) If restricting off-channel time (i.e. max_out_time !=0): | |
108 | * passive_dwell < max_out_time | |
109 | * active_dwell < max_out_time | |
110 | */ | |
111 | struct iwl_scan_channel { | |
112 | __le32 type; | |
113 | __le16 channel; | |
114 | __le16 iteration_count; | |
115 | __le32 iteration_interval; | |
116 | __le16 active_dwell; | |
117 | __le16 passive_dwell; | |
118 | } __packed; /* SCAN_CHANNEL_CONTROL_API_S_VER_1 */ | |
119 | ||
120 | /** | |
121 | * struct iwl_ssid_ie - directed scan network information element | |
122 | * | |
123 | * Up to 20 of these may appear in REPLY_SCAN_CMD, | |
124 | * selected by "type" bit field in struct iwl_scan_channel; | |
125 | * each channel may select different ssids from among the 20 entries. | |
126 | * SSID IEs get transmitted in reverse order of entry. | |
127 | */ | |
128 | struct iwl_ssid_ie { | |
129 | u8 id; | |
130 | u8 len; | |
131 | u8 ssid[IEEE80211_MAX_SSID_LEN]; | |
132 | } __packed; /* SCAN_DIRECT_SSID_IE_API_S_VER_1 */ | |
133 | ||
134 | /** | |
135 | * iwl_scan_flags - masks for scan command flags | |
136 | *@SCAN_FLAGS_PERIODIC_SCAN: | |
137 | *@SCAN_FLAGS_P2P_PUBLIC_ACTION_FRAME_TX: | |
138 | *@SCAN_FLAGS_DELAYED_SCAN_LOWBAND: | |
139 | *@SCAN_FLAGS_DELAYED_SCAN_HIGHBAND: | |
140 | *@SCAN_FLAGS_FRAGMENTED_SCAN: | |
141 | */ | |
142 | enum iwl_scan_flags { | |
143 | SCAN_FLAGS_PERIODIC_SCAN = BIT(0), | |
144 | SCAN_FLAGS_P2P_PUBLIC_ACTION_FRAME_TX = BIT(1), | |
145 | SCAN_FLAGS_DELAYED_SCAN_LOWBAND = BIT(2), | |
146 | SCAN_FLAGS_DELAYED_SCAN_HIGHBAND = BIT(3), | |
147 | SCAN_FLAGS_FRAGMENTED_SCAN = BIT(4), | |
148 | }; | |
149 | ||
150 | /** | |
151 | * enum iwl_scan_type - Scan types for scan command | |
152 | * @SCAN_TYPE_FORCED: | |
153 | * @SCAN_TYPE_BACKGROUND: | |
154 | * @SCAN_TYPE_OS: | |
155 | * @SCAN_TYPE_ROAMING: | |
156 | * @SCAN_TYPE_ACTION: | |
157 | * @SCAN_TYPE_DISCOVERY: | |
158 | * @SCAN_TYPE_DISCOVERY_FORCED: | |
159 | */ | |
160 | enum iwl_scan_type { | |
161 | SCAN_TYPE_FORCED = 0, | |
162 | SCAN_TYPE_BACKGROUND = 1, | |
163 | SCAN_TYPE_OS = 2, | |
164 | SCAN_TYPE_ROAMING = 3, | |
165 | SCAN_TYPE_ACTION = 4, | |
166 | SCAN_TYPE_DISCOVERY = 5, | |
167 | SCAN_TYPE_DISCOVERY_FORCED = 6, | |
168 | }; /* SCAN_ACTIVITY_TYPE_E_VER_1 */ | |
169 | ||
170 | /* Maximal number of channels to scan */ | |
171 | #define MAX_NUM_SCAN_CHANNELS 0x24 | |
172 | ||
173 | /** | |
174 | * struct iwl_scan_cmd - scan request command | |
175 | * ( SCAN_REQUEST_CMD = 0x80 ) | |
176 | * @len: command length in bytes | |
177 | * @scan_flags: scan flags from SCAN_FLAGS_* | |
178 | * @channel_count: num of channels in channel list (1 - MAX_NUM_SCAN_CHANNELS) | |
179 | * @quiet_time: in msecs, dwell this time for active scan on quiet channels | |
180 | * @quiet_plcp_th: quiet PLCP threshold (channel is quiet if less than | |
181 | * this number of packets were received (typically 1) | |
182 | * @passive2active: is auto switching from passive to active allowed (0 or 1) | |
183 | * @rxchain_sel_flags: RXON_RX_CHAIN_* | |
184 | * @max_out_time: in usecs, max out of serving channel time | |
185 | * @suspend_time: how long to pause scan when returning to service channel: | |
186 | * bits 0-19: beacon interal in usecs (suspend before executing) | |
187 | * bits 20-23: reserved | |
188 | * bits 24-31: number of beacons (suspend between channels) | |
189 | * @rxon_flags: RXON_FLG_* | |
190 | * @filter_flags: RXON_FILTER_* | |
191 | * @tx_cmd: for active scans (zero for passive), w/o payload, | |
192 | * no RS so specify TX rate | |
193 | * @direct_scan: direct scan SSIDs | |
194 | * @type: one of SCAN_TYPE_* | |
195 | * @repeats: how many time to repeat the scan | |
196 | */ | |
197 | struct iwl_scan_cmd { | |
198 | __le16 len; | |
199 | u8 scan_flags; | |
200 | u8 channel_count; | |
201 | __le16 quiet_time; | |
202 | __le16 quiet_plcp_th; | |
203 | __le16 passive2active; | |
204 | __le16 rxchain_sel_flags; | |
205 | __le32 max_out_time; | |
206 | __le32 suspend_time; | |
207 | /* RX_ON_FLAGS_API_S_VER_1 */ | |
208 | __le32 rxon_flags; | |
209 | __le32 filter_flags; | |
210 | struct iwl_tx_cmd tx_cmd; | |
211 | struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX]; | |
212 | __le32 type; | |
213 | __le32 repeats; | |
214 | ||
215 | /* | |
216 | * Probe request frame, followed by channel list. | |
217 | * | |
218 | * Size of probe request frame is specified by byte count in tx_cmd. | |
219 | * Channel list follows immediately after probe request frame. | |
220 | * Number of channels in list is specified by channel_count. | |
221 | * Each channel in list is of type: | |
222 | * | |
223 | * struct iwl_scan_channel channels[0]; | |
224 | * | |
225 | * NOTE: Only one band of channels can be scanned per pass. You | |
226 | * must not mix 2.4GHz channels and 5.2GHz channels, and you must wait | |
227 | * for one scan to complete (i.e. receive SCAN_COMPLETE_NOTIFICATION) | |
228 | * before requesting another scan. | |
229 | */ | |
230 | u8 data[0]; | |
231 | } __packed; /* SCAN_REQUEST_FIXED_PART_API_S_VER_5 */ | |
232 | ||
233 | /* Response to scan request contains only status with one of these values */ | |
234 | #define SCAN_RESPONSE_OK 0x1 | |
235 | #define SCAN_RESPONSE_ERROR 0x2 | |
236 | ||
237 | /* | |
238 | * SCAN_ABORT_CMD = 0x81 | |
239 | * When scan abort is requested, the command has no fields except the common | |
240 | * header. The response contains only a status with one of these values. | |
241 | */ | |
242 | #define SCAN_ABORT_POSSIBLE 0x1 | |
243 | #define SCAN_ABORT_IGNORED 0x2 /* no pending scans */ | |
244 | ||
245 | /* TODO: complete documentation */ | |
246 | #define SCAN_OWNER_STATUS 0x1 | |
247 | #define MEASURE_OWNER_STATUS 0x2 | |
248 | ||
249 | /** | |
250 | * struct iwl_scan_start_notif - notifies start of scan in the device | |
251 | * ( SCAN_START_NOTIFICATION = 0x82 ) | |
252 | * @tsf_low: TSF timer (lower half) in usecs | |
253 | * @tsf_high: TSF timer (higher half) in usecs | |
254 | * @beacon_timer: structured as follows: | |
255 | * bits 0:19 - beacon interval in usecs | |
256 | * bits 20:23 - reserved (0) | |
257 | * bits 24:31 - number of beacons | |
258 | * @channel: which channel is scanned | |
259 | * @band: 0 for 5.2 GHz, 1 for 2.4 GHz | |
260 | * @status: one of *_OWNER_STATUS | |
261 | */ | |
262 | struct iwl_scan_start_notif { | |
263 | __le32 tsf_low; | |
264 | __le32 tsf_high; | |
265 | __le32 beacon_timer; | |
266 | u8 channel; | |
267 | u8 band; | |
268 | u8 reserved[2]; | |
269 | __le32 status; | |
270 | } __packed; /* SCAN_START_NTF_API_S_VER_1 */ | |
271 | ||
272 | /* scan results probe_status first bit indicates success */ | |
273 | #define SCAN_PROBE_STATUS_OK 0 | |
274 | #define SCAN_PROBE_STATUS_TX_FAILED BIT(0) | |
275 | /* error statuses combined with TX_FAILED */ | |
276 | #define SCAN_PROBE_STATUS_FAIL_TTL BIT(1) | |
277 | #define SCAN_PROBE_STATUS_FAIL_BT BIT(2) | |
278 | ||
279 | /* How many statistics are gathered for each channel */ | |
280 | #define SCAN_RESULTS_STATISTICS 1 | |
281 | ||
282 | /** | |
283 | * enum iwl_scan_complete_status - status codes for scan complete notifications | |
284 | * @SCAN_COMP_STATUS_OK: scan completed successfully | |
285 | * @SCAN_COMP_STATUS_ABORT: scan was aborted by user | |
286 | * @SCAN_COMP_STATUS_ERR_SLEEP: sending null sleep packet failed | |
287 | * @SCAN_COMP_STATUS_ERR_CHAN_TIMEOUT: timeout before channel is ready | |
288 | * @SCAN_COMP_STATUS_ERR_PROBE: sending probe request failed | |
289 | * @SCAN_COMP_STATUS_ERR_WAKEUP: sending null wakeup packet failed | |
290 | * @SCAN_COMP_STATUS_ERR_ANTENNAS: invalid antennas chosen at scan command | |
291 | * @SCAN_COMP_STATUS_ERR_INTERNAL: internal error caused scan abort | |
292 | * @SCAN_COMP_STATUS_ERR_COEX: medium was lost ot WiMax | |
293 | * @SCAN_COMP_STATUS_P2P_ACTION_OK: P2P public action frame TX was successful | |
294 | * (not an error!) | |
295 | * @SCAN_COMP_STATUS_ITERATION_END: indicates end of one repeatition the driver | |
296 | * asked for | |
297 | * @SCAN_COMP_STATUS_ERR_ALLOC_TE: scan could not allocate time events | |
298 | */ | |
299 | enum iwl_scan_complete_status { | |
300 | SCAN_COMP_STATUS_OK = 0x1, | |
301 | SCAN_COMP_STATUS_ABORT = 0x2, | |
302 | SCAN_COMP_STATUS_ERR_SLEEP = 0x3, | |
303 | SCAN_COMP_STATUS_ERR_CHAN_TIMEOUT = 0x4, | |
304 | SCAN_COMP_STATUS_ERR_PROBE = 0x5, | |
305 | SCAN_COMP_STATUS_ERR_WAKEUP = 0x6, | |
306 | SCAN_COMP_STATUS_ERR_ANTENNAS = 0x7, | |
307 | SCAN_COMP_STATUS_ERR_INTERNAL = 0x8, | |
308 | SCAN_COMP_STATUS_ERR_COEX = 0x9, | |
309 | SCAN_COMP_STATUS_P2P_ACTION_OK = 0xA, | |
310 | SCAN_COMP_STATUS_ITERATION_END = 0x0B, | |
311 | SCAN_COMP_STATUS_ERR_ALLOC_TE = 0x0C, | |
312 | }; | |
313 | ||
314 | /** | |
315 | * struct iwl_scan_results_notif - scan results for one channel | |
316 | * ( SCAN_RESULTS_NOTIFICATION = 0x83 ) | |
317 | * @channel: which channel the results are from | |
318 | * @band: 0 for 5.2 GHz, 1 for 2.4 GHz | |
319 | * @probe_status: SCAN_PROBE_STATUS_*, indicates success of probe request | |
320 | * @num_probe_not_sent: # of request that weren't sent due to not enough time | |
321 | * @duration: duration spent in channel, in usecs | |
322 | * @statistics: statistics gathered for this channel | |
323 | */ | |
324 | struct iwl_scan_results_notif { | |
325 | u8 channel; | |
326 | u8 band; | |
327 | u8 probe_status; | |
328 | u8 num_probe_not_sent; | |
329 | __le32 duration; | |
330 | __le32 statistics[SCAN_RESULTS_STATISTICS]; | |
331 | } __packed; /* SCAN_RESULT_NTF_API_S_VER_2 */ | |
332 | ||
333 | /** | |
334 | * struct iwl_scan_complete_notif - notifies end of scanning (all channels) | |
335 | * ( SCAN_COMPLETE_NOTIFICATION = 0x84 ) | |
336 | * @scanned_channels: number of channels scanned (and number of valid results) | |
337 | * @status: one of SCAN_COMP_STATUS_* | |
338 | * @bt_status: BT on/off status | |
339 | * @last_channel: last channel that was scanned | |
340 | * @tsf_low: TSF timer (lower half) in usecs | |
341 | * @tsf_high: TSF timer (higher half) in usecs | |
342 | * @results: all scan results, only "scanned_channels" of them are valid | |
343 | */ | |
344 | struct iwl_scan_complete_notif { | |
345 | u8 scanned_channels; | |
346 | u8 status; | |
347 | u8 bt_status; | |
348 | u8 last_channel; | |
349 | __le32 tsf_low; | |
350 | __le32 tsf_high; | |
351 | struct iwl_scan_results_notif results[MAX_NUM_SCAN_CHANNELS]; | |
352 | } __packed; /* SCAN_COMPLETE_NTF_API_S_VER_2 */ | |
353 | ||
354 | /* scan offload */ | |
355 | #define IWL_MAX_SCAN_CHANNELS 40 | |
356 | #define IWL_SCAN_MAX_BLACKLIST_LEN 64 | |
357 | #define IWL_SCAN_MAX_PROFILES 11 | |
358 | #define SCAN_OFFLOAD_PROBE_REQ_SIZE 512 | |
359 | ||
360 | /* Default watchdog (in MS) for scheduled scan iteration */ | |
361 | #define IWL_SCHED_SCAN_WATCHDOG cpu_to_le16(15000) | |
362 | ||
363 | #define IWL_GOOD_CRC_TH_DEFAULT cpu_to_le16(1) | |
364 | #define CAN_ABORT_STATUS 1 | |
365 | ||
366 | #define IWL_FULL_SCAN_MULTIPLIER 5 | |
367 | #define IWL_FAST_SCHED_SCAN_ITERATIONS 3 | |
368 | ||
369 | /** | |
370 | * struct iwl_scan_offload_cmd - SCAN_REQUEST_FIXED_PART_API_S_VER_6 | |
371 | * @scan_flags: see enum iwl_scan_flags | |
372 | * @channel_count: channels in channel list | |
373 | * @quiet_time: dwell time, in milisiconds, on quiet channel | |
374 | * @quiet_plcp_th: quiet channel num of packets threshold | |
375 | * @good_CRC_th: passive to active promotion threshold | |
376 | * @rx_chain: RXON rx chain. | |
377 | * @max_out_time: max uSec to be out of assoceated channel | |
378 | * @suspend_time: pause scan this long when returning to service channel | |
379 | * @flags: RXON flags | |
380 | * @filter_flags: RXONfilter | |
381 | * @tx_cmd: tx command for active scan; for 2GHz and for 5GHz. | |
382 | * @direct_scan: list of SSIDs for directed active scan | |
383 | * @scan_type: see enum iwl_scan_type. | |
384 | * @rep_count: repetition count for each scheduled scan iteration. | |
385 | */ | |
386 | struct iwl_scan_offload_cmd { | |
387 | __le16 len; | |
388 | u8 scan_flags; | |
389 | u8 channel_count; | |
390 | __le16 quiet_time; | |
391 | __le16 quiet_plcp_th; | |
392 | __le16 good_CRC_th; | |
393 | __le16 rx_chain; | |
394 | __le32 max_out_time; | |
395 | __le32 suspend_time; | |
396 | /* RX_ON_FLAGS_API_S_VER_1 */ | |
397 | __le32 flags; | |
398 | __le32 filter_flags; | |
399 | struct iwl_tx_cmd tx_cmd[2]; | |
400 | /* SCAN_DIRECT_SSID_IE_API_S_VER_1 */ | |
401 | struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX]; | |
402 | __le32 scan_type; | |
403 | __le32 rep_count; | |
404 | } __packed; | |
405 | ||
406 | enum iwl_scan_offload_channel_flags { | |
407 | IWL_SCAN_OFFLOAD_CHANNEL_ACTIVE = BIT(0), | |
408 | IWL_SCAN_OFFLOAD_CHANNEL_NARROW = BIT(22), | |
409 | IWL_SCAN_OFFLOAD_CHANNEL_FULL = BIT(24), | |
410 | IWL_SCAN_OFFLOAD_CHANNEL_PARTIAL = BIT(25), | |
411 | }; | |
412 | ||
413 | /** | |
414 | * iwl_scan_channel_cfg - SCAN_CHANNEL_CFG_S | |
415 | * @type: bitmap - see enum iwl_scan_offload_channel_flags. | |
416 | * 0: passive (0) or active (1) scan. | |
417 | * 1-20: directed scan to i'th ssid. | |
418 | * 22: channel width configuation - 1 for narrow. | |
419 | * 24: full scan. | |
420 | * 25: partial scan. | |
421 | * @channel_number: channel number 1-13 etc. | |
422 | * @iter_count: repetition count for the channel. | |
423 | * @iter_interval: interval between two innteration on one channel. | |
424 | * @dwell_time: entry 0 - active scan, entry 1 - passive scan. | |
425 | */ | |
426 | struct iwl_scan_channel_cfg { | |
427 | __le32 type[IWL_MAX_SCAN_CHANNELS]; | |
428 | __le16 channel_number[IWL_MAX_SCAN_CHANNELS]; | |
429 | __le16 iter_count[IWL_MAX_SCAN_CHANNELS]; | |
430 | __le32 iter_interval[IWL_MAX_SCAN_CHANNELS]; | |
431 | u8 dwell_time[IWL_MAX_SCAN_CHANNELS][2]; | |
432 | } __packed; | |
433 | ||
434 | /** | |
435 | * iwl_scan_offload_cfg - SCAN_OFFLOAD_CONFIG_API_S | |
436 | * @scan_cmd: scan command fixed part | |
437 | * @channel_cfg: scan channel configuration | |
438 | * @data: probe request frames (one per band) | |
439 | */ | |
440 | struct iwl_scan_offload_cfg { | |
441 | struct iwl_scan_offload_cmd scan_cmd; | |
442 | struct iwl_scan_channel_cfg channel_cfg; | |
443 | u8 data[0]; | |
444 | } __packed; | |
445 | ||
446 | /** | |
447 | * iwl_scan_offload_blacklist - SCAN_OFFLOAD_BLACKLIST_S | |
448 | * @ssid: MAC address to filter out | |
449 | * @reported_rssi: AP rssi reported to the host | |
450 | */ | |
451 | struct iwl_scan_offload_blacklist { | |
452 | u8 ssid[ETH_ALEN]; | |
453 | u8 reported_rssi; | |
454 | u8 reserved; | |
455 | } __packed; | |
456 | ||
457 | enum iwl_scan_offload_network_type { | |
458 | IWL_NETWORK_TYPE_BSS = 1, | |
459 | IWL_NETWORK_TYPE_IBSS = 2, | |
460 | IWL_NETWORK_TYPE_ANY = 3, | |
461 | }; | |
462 | ||
463 | enum iwl_scan_offload_band_selection { | |
464 | IWL_SCAN_OFFLOAD_SELECT_2_4 = 0x4, | |
465 | IWL_SCAN_OFFLOAD_SELECT_5_2 = 0x8, | |
466 | IWL_SCAN_OFFLOAD_SELECT_ANY = 0xc, | |
467 | }; | |
468 | ||
469 | /** | |
470 | * iwl_scan_offload_profile - SCAN_OFFLOAD_PROFILE_S | |
471 | * @ssid_index: index to ssid list in fixed part | |
472 | * @unicast_cipher: encryption olgorithm to match - bitmap | |
473 | * @aut_alg: authentication olgorithm to match - bitmap | |
474 | * @network_type: enum iwl_scan_offload_network_type | |
475 | * @band_selection: enum iwl_scan_offload_band_selection | |
476 | */ | |
477 | struct iwl_scan_offload_profile { | |
478 | u8 ssid_index; | |
479 | u8 unicast_cipher; | |
480 | u8 auth_alg; | |
481 | u8 network_type; | |
482 | u8 band_selection; | |
483 | u8 reserved[3]; | |
484 | } __packed; | |
485 | ||
486 | /** | |
487 | * iwl_scan_offload_profile_cfg - SCAN_OFFLOAD_PROFILES_CFG_API_S_VER_1 | |
488 | * @blaclist: AP list to filter off from scan results | |
489 | * @profiles: profiles to search for match | |
490 | * @blacklist_len: length of blacklist | |
491 | * @num_profiles: num of profiles in the list | |
492 | */ | |
493 | struct iwl_scan_offload_profile_cfg { | |
494 | struct iwl_scan_offload_blacklist blacklist[IWL_SCAN_MAX_BLACKLIST_LEN]; | |
495 | struct iwl_scan_offload_profile profiles[IWL_SCAN_MAX_PROFILES]; | |
496 | u8 blacklist_len; | |
497 | u8 num_profiles; | |
498 | u8 reserved[2]; | |
499 | } __packed; | |
500 | ||
501 | /** | |
502 | * iwl_scan_offload_schedule - schedule of scan offload | |
503 | * @delay: delay between iterations, in seconds. | |
504 | * @iterations: num of scan iterations | |
505 | * @full_scan_mul: number of partial scans before each full scan | |
506 | */ | |
507 | struct iwl_scan_offload_schedule { | |
508 | u16 delay; | |
509 | u8 iterations; | |
510 | u8 full_scan_mul; | |
511 | } __packed; | |
512 | ||
513 | /* | |
514 | * iwl_scan_offload_flags | |
515 | * | |
516 | * IWL_SCAN_OFFLOAD_FLAG_FILTER_SSID: filter mode - upload every beacon or match | |
517 | * ssid list. | |
518 | * IWL_SCAN_OFFLOAD_FLAG_CACHED_CHANNEL: add cached channels to partial scan. | |
519 | * IWL_SCAN_OFFLOAD_FLAG_ENERGY_SCAN: use energy based scan before partial scan | |
520 | * on A band. | |
521 | */ | |
522 | enum iwl_scan_offload_flags { | |
523 | IWL_SCAN_OFFLOAD_FLAG_FILTER_SSID = BIT(0), | |
524 | IWL_SCAN_OFFLOAD_FLAG_CACHED_CHANNEL = BIT(2), | |
525 | IWL_SCAN_OFFLOAD_FLAG_ENERGY_SCAN = BIT(3), | |
526 | }; | |
527 | ||
528 | /** | |
529 | * iwl_scan_offload_req - scan offload request command | |
530 | * @flags: bitmap - enum iwl_scan_offload_flags. | |
531 | * @watchdog: maximum scan duration in TU. | |
532 | * @delay: delay in seconds before first iteration. | |
533 | * @schedule_line: scan offload schedule, for fast and regular scan. | |
534 | */ | |
535 | struct iwl_scan_offload_req { | |
536 | __le16 flags; | |
537 | __le16 watchdog; | |
538 | __le16 delay; | |
539 | __le16 reserved; | |
540 | struct iwl_scan_offload_schedule schedule_line[2]; | |
541 | } __packed; | |
542 | ||
543 | enum iwl_scan_offload_compleate_status { | |
544 | IWL_SCAN_OFFLOAD_COMPLETED = 1, | |
545 | IWL_SCAN_OFFLOAD_ABORTED = 2, | |
546 | }; | |
547 | ||
548 | /** | |
549 | * iwl_scan_offload_complete - SCAN_OFFLOAD_COMPLETE_NTF_API_S_VER_1 | |
550 | * @last_schedule_line: last schedule line executed (fast or regular) | |
551 | * @last_schedule_iteration: last scan iteration executed before scan abort | |
552 | * @status: enum iwl_scan_offload_compleate_status | |
553 | */ | |
554 | struct iwl_scan_offload_complete { | |
555 | u8 last_schedule_line; | |
556 | u8 last_schedule_iteration; | |
557 | u8 status; | |
558 | u8 reserved; | |
559 | } __packed; | |
560 | ||
561 | #endif |