summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
blob: 9426905de6b283dc0230cf51d5a694478da7797a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
/******************************************************************************
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
 * USA
 *
 * The full GNU General Public License is included in this distribution
 * in the file called COPYING.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *****************************************************************************/

#ifndef __fw_api_scan_h__
#define __fw_api_scan_h__

#include "fw-api.h"

/* Scan Commands, Responses, Notifications */

/* Masks for iwl_scan_channel.type flags */
#define SCAN_CHANNEL_TYPE_ACTIVE	BIT(0)
#define SCAN_CHANNEL_NARROW_BAND	BIT(22)

/* Max number of IEs for direct SSID scans in a command */
#define PROBE_OPTION_MAX		20

/**
 * struct iwl_scan_channel - entry in REPLY_SCAN_CMD channel table
 * @channel: band is selected by iwl_scan_cmd "flags" field
 * @tx_gain: gain for analog radio
 * @dsp_atten: gain for DSP
 * @active_dwell: dwell time for active scan in TU, typically 5-50
 * @passive_dwell: dwell time for passive scan in TU, typically 20-500
 * @type: type is broken down to these bits:
 *	bit 0: 0 = passive, 1 = active
 *	bits 1-20: SSID direct bit map. If any of these bits is set then
 *		the corresponding SSID IE is transmitted in probe request
 *		(bit i adds IE in position i to the probe request)
 *	bit 22: channel width, 0 = regular, 1 = TGj narrow channel
 *
 * @iteration_count:
 * @iteration_interval:
 * This struct is used once for each channel in the scan list.
 * Each channel can independently select:
 * 1)  SSID for directed active scans
 * 2)  Txpower setting (for rate specified within Tx command)
 * 3)  How long to stay on-channel (behavior may be modified by quiet_time,
 *     quiet_plcp_th, good_CRC_th)
 *
 * To avoid uCode errors, make sure the following are true (see comments
 * under struct iwl_scan_cmd about max_out_time and quiet_time):
 * 1)  If using passive_dwell (i.e. passive_dwell != 0):
 *     active_dwell <= passive_dwell (< max_out_time if max_out_time != 0)
 * 2)  quiet_time <= active_dwell
 * 3)  If restricting off-channel time (i.e. max_out_time !=0):
 *     passive_dwell < max_out_time
 *     active_dwell < max_out_time
 */
struct iwl_scan_channel {
	__le32 type;
	__le16 channel;
	__le16 iteration_count;
	__le32 iteration_interval;
	__le16 active_dwell;
	__le16 passive_dwell;
} __packed; /* SCAN_CHANNEL_CONTROL_API_S_VER_1 */

/**
 * struct iwl_ssid_ie - directed scan network information element
 *
 * Up to 20 of these may appear in REPLY_SCAN_CMD,
 * selected by "type" bit field in struct iwl_scan_channel;
 * each channel may select different ssids from among the 20 entries.
 * SSID IEs get transmitted in reverse order of entry.
 */
struct iwl_ssid_ie {
	u8 id;
	u8 len;
	u8 ssid[IEEE80211_MAX_SSID_LEN];
} __packed; /* SCAN_DIRECT_SSID_IE_API_S_VER_1 */

/**
 * iwl_scan_flags - masks for scan command flags
 *@SCAN_FLAGS_PERIODIC_SCAN:
 *@SCAN_FLAGS_P2P_PUBLIC_ACTION_FRAME_TX:
 *@SCAN_FLAGS_DELAYED_SCAN_LOWBAND:
 *@SCAN_FLAGS_DELAYED_SCAN_HIGHBAND:
 *@SCAN_FLAGS_FRAGMENTED_SCAN:
 *@SCAN_FLAGS_PASSIVE2ACTIVE: use active scan on channels that was active
 *	in the past hour, even if they are marked as passive.
 */
enum iwl_scan_flags {
	SCAN_FLAGS_PERIODIC_SCAN		= BIT(0),
	SCAN_FLAGS_P2P_PUBLIC_ACTION_FRAME_TX	= BIT(1),
	SCAN_FLAGS_DELAYED_SCAN_LOWBAND		= BIT(2),
	SCAN_FLAGS_DELAYED_SCAN_HIGHBAND	= BIT(3),
	SCAN_FLAGS_FRAGMENTED_SCAN		= BIT(4),
	SCAN_FLAGS_PASSIVE2ACTIVE		= BIT(5),
};

/**
 * enum iwl_scan_type - Scan types for scan command
 * @SCAN_TYPE_FORCED:
 * @SCAN_TYPE_BACKGROUND:
 * @SCAN_TYPE_OS:
 * @SCAN_TYPE_ROAMING:
 * @SCAN_TYPE_ACTION:
 * @SCAN_TYPE_DISCOVERY:
 * @SCAN_TYPE_DISCOVERY_FORCED:
 */
enum iwl_scan_type {
	SCAN_TYPE_FORCED		= 0,
	SCAN_TYPE_BACKGROUND		= 1,
	SCAN_TYPE_OS			= 2,
	SCAN_TYPE_ROAMING		= 3,
	SCAN_TYPE_ACTION		= 4,
	SCAN_TYPE_DISCOVERY		= 5,
	SCAN_TYPE_DISCOVERY_FORCED	= 6,
}; /* SCAN_ACTIVITY_TYPE_E_VER_1 */

/* Maximal number of channels to scan */
#define MAX_NUM_SCAN_CHANNELS 0x24

/**
 * struct iwl_scan_cmd - scan request command
 * ( SCAN_REQUEST_CMD = 0x80 )
 * @len: command length in bytes
 * @scan_flags: scan flags from SCAN_FLAGS_*
 * @channel_count: num of channels in channel list (1 - MAX_NUM_SCAN_CHANNELS)
 * @quiet_time: in msecs, dwell this time for active scan on quiet channels
 * @quiet_plcp_th: quiet PLCP threshold (channel is quiet if less than
 *	this number of packets were received (typically 1)
 * @passive2active: is auto switching from passive to active during scan allowed
 * @rxchain_sel_flags: RXON_RX_CHAIN_*
 * @max_out_time: in usecs, max out of serving channel time
 * @suspend_time: how long to pause scan when returning to service channel:
 *	bits 0-19: beacon interal in usecs (suspend before executing)
 *	bits 20-23: reserved
 *	bits 24-31: number of beacons (suspend between channels)
 * @rxon_flags: RXON_FLG_*
 * @filter_flags: RXON_FILTER_*
 * @tx_cmd: for active scans (zero for passive), w/o payload,
 *	no RS so specify TX rate
 * @direct_scan: direct scan SSIDs
 * @type: one of SCAN_TYPE_*
 * @repeats: how many time to repeat the scan
 */
struct iwl_scan_cmd {
	__le16 len;
	u8 scan_flags;
	u8 channel_count;
	__le16 quiet_time;
	__le16 quiet_plcp_th;
	__le16 passive2active;
	__le16 rxchain_sel_flags;
	__le32 max_out_time;
	__le32 suspend_time;
	/* RX_ON_FLAGS_API_S_VER_1 */
	__le32 rxon_flags;
	__le32 filter_flags;
	struct iwl_tx_cmd tx_cmd;
	struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
	__le32 type;
	__le32 repeats;

	/*
	 * Probe request frame, followed by channel list.
	 *
	 * Size of probe request frame is specified by byte count in tx_cmd.
	 * Channel list follows immediately after probe request frame.
	 * Number of channels in list is specified by channel_count.
	 * Each channel in list is of type:
	 *
	 * struct iwl_scan_channel channels[0];
	 *
	 * NOTE:  Only one band of channels can be scanned per pass.  You
	 * must not mix 2.4GHz channels and 5.2GHz channels, and you must wait
	 * for one scan to complete (i.e. receive SCAN_COMPLETE_NOTIFICATION)
	 * before requesting another scan.
	 */
	u8 data[0];
} __packed; /* SCAN_REQUEST_FIXED_PART_API_S_VER_5 */

/* Response to scan request contains only status with one of these values */
#define SCAN_RESPONSE_OK	0x1
#define SCAN_RESPONSE_ERROR	0x2

/*
 * SCAN_ABORT_CMD = 0x81
 * When scan abort is requested, the command has no fields except the common
 * header. The response contains only a status with one of these values.
 */
#define SCAN_ABORT_POSSIBLE	0x1
#define SCAN_ABORT_IGNORED	0x2 /* no pending scans */

/* TODO: complete documentation */
#define  SCAN_OWNER_STATUS 0x1
#define  MEASURE_OWNER_STATUS 0x2

/**
 * struct iwl_scan_start_notif - notifies start of scan in the device
 * ( SCAN_START_NOTIFICATION = 0x82 )
 * @tsf_low: TSF timer (lower half) in usecs
 * @tsf_high: TSF timer (higher half) in usecs
 * @beacon_timer: structured as follows:
 *	bits 0:19 - beacon interval in usecs
 *	bits 20:23 - reserved (0)
 *	bits 24:31 - number of beacons
 * @channel: which channel is scanned
 * @band: 0 for 5.2 GHz, 1 for 2.4 GHz
 * @status: one of *_OWNER_STATUS
 */
struct iwl_scan_start_notif {
	__le32 tsf_low;
	__le32 tsf_high;
	__le32 beacon_timer;
	u8 channel;
	u8 band;
	u8 reserved[2];
	__le32 status;
} __packed; /* SCAN_START_NTF_API_S_VER_1 */

/* scan results probe_status first bit indicates success */
#define SCAN_PROBE_STATUS_OK		0
#define SCAN_PROBE_STATUS_TX_FAILED	BIT(0)
/* error statuses combined with TX_FAILED */
#define SCAN_PROBE_STATUS_FAIL_TTL	BIT(1)
#define SCAN_PROBE_STATUS_FAIL_BT	BIT(2)

/* How many statistics are gathered for each channel */
#define SCAN_RESULTS_STATISTICS 1

/**
 * enum iwl_scan_complete_status - status codes for scan complete notifications
 * @SCAN_COMP_STATUS_OK:  scan completed successfully
 * @SCAN_COMP_STATUS_ABORT: scan was aborted by user
 * @SCAN_COMP_STATUS_ERR_SLEEP: sending null sleep packet failed
 * @SCAN_COMP_STATUS_ERR_CHAN_TIMEOUT: timeout before channel is ready
 * @SCAN_COMP_STATUS_ERR_PROBE: sending probe request failed
 * @SCAN_COMP_STATUS_ERR_WAKEUP: sending null wakeup packet failed
 * @SCAN_COMP_STATUS_ERR_ANTENNAS: invalid antennas chosen at scan command
 * @SCAN_COMP_STATUS_ERR_INTERNAL: internal error caused scan abort
 * @SCAN_COMP_STATUS_ERR_COEX: medium was lost ot WiMax
 * @SCAN_COMP_STATUS_P2P_ACTION_OK: P2P public action frame TX was successful
 *	(not an error!)
 * @SCAN_COMP_STATUS_ITERATION_END: indicates end of one repeatition the driver
 *	asked for
 * @SCAN_COMP_STATUS_ERR_ALLOC_TE: scan could not allocate time events
*/
enum iwl_scan_complete_status {
	SCAN_COMP_STATUS_OK = 0x1,
	SCAN_COMP_STATUS_ABORT = 0x2,
	SCAN_COMP_STATUS_ERR_SLEEP = 0x3,
	SCAN_COMP_STATUS_ERR_CHAN_TIMEOUT = 0x4,
	SCAN_COMP_STATUS_ERR_PROBE = 0x5,
	SCAN_COMP_STATUS_ERR_WAKEUP = 0x6,
	SCAN_COMP_STATUS_ERR_ANTENNAS = 0x7,
	SCAN_COMP_STATUS_ERR_INTERNAL = 0x8,
	SCAN_COMP_STATUS_ERR_COEX = 0x9,
	SCAN_COMP_STATUS_P2P_ACTION_OK = 0xA,
	SCAN_COMP_STATUS_ITERATION_END = 0x0B,
	SCAN_COMP_STATUS_ERR_ALLOC_TE = 0x0C,
};

/**
 * struct iwl_scan_results_notif - scan results for one channel
 * ( SCAN_RESULTS_NOTIFICATION = 0x83 )
 * @channel: which channel the results are from
 * @band: 0 for 5.2 GHz, 1 for 2.4 GHz
 * @probe_status: SCAN_PROBE_STATUS_*, indicates success of probe request
 * @num_probe_not_sent: # of request that weren't sent due to not enough time
 * @duration: duration spent in channel, in usecs
 * @statistics: statistics gathered for this channel
 */
struct iwl_scan_results_notif {
	u8 channel;
	u8 band;
	u8 probe_status;
	u8 num_probe_not_sent;
	__le32 duration;
	__le32 statistics[SCAN_RESULTS_STATISTICS];
} __packed; /* SCAN_RESULT_NTF_API_S_VER_2 */

/**
 * struct iwl_scan_complete_notif - notifies end of scanning (all channels)
 * ( SCAN_COMPLETE_NOTIFICATION = 0x84 )
 * @scanned_channels: number of channels scanned (and number of valid results)
 * @status: one of SCAN_COMP_STATUS_*
 * @bt_status: BT on/off status
 * @last_channel: last channel that was scanned
 * @tsf_low: TSF timer (lower half) in usecs
 * @tsf_high: TSF timer (higher half) in usecs
 * @results: all scan results, only "scanned_channels" of them are valid
 */
struct iwl_scan_complete_notif {
	u8 scanned_channels;
	u8 status;
	u8 bt_status;
	u8 last_channel;
	__le32 tsf_low;
	__le32 tsf_high;
	struct iwl_scan_results_notif results[MAX_NUM_SCAN_CHANNELS];
} __packed; /* SCAN_COMPLETE_NTF_API_S_VER_2 */

/* scan offload */
#define IWL_MAX_SCAN_CHANNELS		40
#define IWL_SCAN_MAX_BLACKLIST_LEN	64
#define IWL_SCAN_SHORT_BLACKLIST_LEN	16
#define IWL_SCAN_MAX_PROFILES		11
#define SCAN_OFFLOAD_PROBE_REQ_SIZE	512

/* Default watchdog (in MS) for scheduled scan iteration */
#define IWL_SCHED_SCAN_WATCHDOG cpu_to_le16(15000)

#define IWL_GOOD_CRC_TH_DEFAULT cpu_to_le16(1)
#define CAN_ABORT_STATUS 1

#define IWL_FULL_SCAN_MULTIPLIER 5
#define IWL_FAST_SCHED_SCAN_ITERATIONS 3

enum scan_framework_client {
	SCAN_CLIENT_SCHED_SCAN		= BIT(0),
	SCAN_CLIENT_NETDETECT		= BIT(1),
	SCAN_CLIENT_ASSET_TRACKING	= BIT(2),
};

/**
 * struct iwl_scan_offload_cmd - SCAN_REQUEST_FIXED_PART_API_S_VER_6
 * @scan_flags:		see enum iwl_scan_flags
 * @channel_count:	channels in channel list
 * @quiet_time:		dwell time, in milisiconds, on quiet channel
 * @quiet_plcp_th:	quiet channel num of packets threshold
 * @good_CRC_th:	passive to active promotion threshold
 * @rx_chain:		RXON rx chain.
 * @max_out_time:	max uSec to be out of assoceated channel
 * @suspend_time:	pause scan this long when returning to service channel
 * @flags:		RXON flags
 * @filter_flags:	RXONfilter
 * @tx_cmd:		tx command for active scan; for 2GHz and for 5GHz.
 * @direct_scan:	list of SSIDs for directed active scan
 * @scan_type:		see enum iwl_scan_type.
 * @rep_count:		repetition count for each scheduled scan iteration.
 */
struct iwl_scan_offload_cmd {
	__le16 len;
	u8 scan_flags;
	u8 channel_count;
	__le16 quiet_time;
	__le16 quiet_plcp_th;
	__le16 good_CRC_th;
	__le16 rx_chain;
	__le32 max_out_time;
	__le32 suspend_time;
	/* RX_ON_FLAGS_API_S_VER_1 */
	__le32 flags;
	__le32 filter_flags;
	struct iwl_tx_cmd tx_cmd[2];
	/* SCAN_DIRECT_SSID_IE_API_S_VER_1 */
	struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
	__le32 scan_type;
	__le32 rep_count;
} __packed;

enum iwl_scan_offload_channel_flags {
	IWL_SCAN_OFFLOAD_CHANNEL_ACTIVE		= BIT(0),
	IWL_SCAN_OFFLOAD_CHANNEL_NARROW		= BIT(22),
	IWL_SCAN_OFFLOAD_CHANNEL_FULL		= BIT(24),
	IWL_SCAN_OFFLOAD_CHANNEL_PARTIAL	= BIT(25),
};

/**
 * iwl_scan_channel_cfg - SCAN_CHANNEL_CFG_S
 * @type:		bitmap - see enum iwl_scan_offload_channel_flags.
 *			0:	passive (0) or active (1) scan.
 *			1-20:	directed scan to i'th ssid.
 *			22:	channel width configuation - 1 for narrow.
 *			24:	full scan.
 *			25:	partial scan.
 * @channel_number:	channel number 1-13 etc.
 * @iter_count:		repetition count for the channel.
 * @iter_interval:	interval between two innteration on one channel.
 * @dwell_time:	entry 0 - active scan, entry 1 - passive scan.
 */
struct iwl_scan_channel_cfg {
	__le32 type[IWL_MAX_SCAN_CHANNELS];
	__le16 channel_number[IWL_MAX_SCAN_CHANNELS];
	__le16 iter_count[IWL_MAX_SCAN_CHANNELS];
	__le32 iter_interval[IWL_MAX_SCAN_CHANNELS];
	u8 dwell_time[IWL_MAX_SCAN_CHANNELS][2];
} __packed;

/**
 * iwl_scan_offload_cfg - SCAN_OFFLOAD_CONFIG_API_S
 * @scan_cmd:		scan command fixed part
 * @channel_cfg:	scan channel configuration
 * @data:		probe request frames (one per band)
 */
struct iwl_scan_offload_cfg {
	struct iwl_scan_offload_cmd scan_cmd;
	struct iwl_scan_channel_cfg channel_cfg;
	u8 data[0];
} __packed;

/**
 * iwl_scan_offload_blacklist - SCAN_OFFLOAD_BLACKLIST_S
 * @ssid:		MAC address to filter out
 * @reported_rssi:	AP rssi reported to the host
 * @client_bitmap: clients ignore this entry  - enum scan_framework_client
 */
struct iwl_scan_offload_blacklist {
	u8 ssid[ETH_ALEN];
	u8 reported_rssi;
	u8 client_bitmap;
} __packed;

enum iwl_scan_offload_network_type {
	IWL_NETWORK_TYPE_BSS	= 1,
	IWL_NETWORK_TYPE_IBSS	= 2,
	IWL_NETWORK_TYPE_ANY	= 3,
};

enum iwl_scan_offload_band_selection {
	IWL_SCAN_OFFLOAD_SELECT_2_4	= 0x4,
	IWL_SCAN_OFFLOAD_SELECT_5_2	= 0x8,
	IWL_SCAN_OFFLOAD_SELECT_ANY	= 0xc,
};

/**
 * iwl_scan_offload_profile - SCAN_OFFLOAD_PROFILE_S
 * @ssid_index:		index to ssid list in fixed part
 * @unicast_cipher:	encryption olgorithm to match - bitmap
 * @aut_alg:		authentication olgorithm to match - bitmap
 * @network_type:	enum iwl_scan_offload_network_type
 * @band_selection:	enum iwl_scan_offload_band_selection
 * @client_bitmap:	clients waiting for match - enum scan_framework_client
 */
struct iwl_scan_offload_profile {
	u8 ssid_index;
	u8 unicast_cipher;
	u8 auth_alg;
	u8 network_type;
	u8 band_selection;
	u8 client_bitmap;
	u8 reserved[2];
} __packed;

/**
 * iwl_scan_offload_profile_cfg - SCAN_OFFLOAD_PROFILES_CFG_API_S_VER_1
 * @blaclist:		AP list to filter off from scan results
 * @profiles:		profiles to search for match
 * @blacklist_len:	length of blacklist
 * @num_profiles:	num of profiles in the list
 * @match_notify:	clients waiting for match found notification
 * @pass_match:		clients waiting for the results
 * @active_clients:	active clients bitmap - enum scan_framework_client
 * @any_beacon_notify:	clients waiting for match notification without match
 */
struct iwl_scan_offload_profile_cfg {
	struct iwl_scan_offload_profile profiles[IWL_SCAN_MAX_PROFILES];
	u8 blacklist_len;
	u8 num_profiles;
	u8 match_notify;
	u8 pass_match;
	u8 active_clients;
	u8 any_beacon_notify;
	u8 reserved[2];
} __packed;

/**
 * iwl_scan_offload_schedule - schedule of scan offload
 * @delay:		delay between iterations, in seconds.
 * @iterations:		num of scan iterations
 * @full_scan_mul:	number of partial scans before each full scan
 */
struct iwl_scan_offload_schedule {
	u16 delay;
	u8 iterations;
	u8 full_scan_mul;
} __packed;

/*
 * iwl_scan_offload_flags
 *
 * IWL_SCAN_OFFLOAD_FLAG_PASS_ALL: pass all results - no filtering.
 * IWL_SCAN_OFFLOAD_FLAG_CACHED_CHANNEL: add cached channels to partial scan.
 * IWL_SCAN_OFFLOAD_FLAG_ENERGY_SCAN: use energy based scan before partial scan
 *	on A band.
 */
enum iwl_scan_offload_flags {
	IWL_SCAN_OFFLOAD_FLAG_PASS_ALL		= BIT(0),
	IWL_SCAN_OFFLOAD_FLAG_CACHED_CHANNEL	= BIT(2),
	IWL_SCAN_OFFLOAD_FLAG_ENERGY_SCAN	= BIT(3),
};

/**
 * iwl_scan_offload_req - scan offload request command
 * @flags:		bitmap - enum iwl_scan_offload_flags.
 * @watchdog:		maximum scan duration in TU.
 * @delay:		delay in seconds before first iteration.
 * @schedule_line:	scan offload schedule, for fast and regular scan.
 */
struct iwl_scan_offload_req {
	__le16 flags;
	__le16 watchdog;
	__le16 delay;
	__le16 reserved;
	struct iwl_scan_offload_schedule schedule_line[2];
} __packed;

enum iwl_scan_offload_compleate_status {
	IWL_SCAN_OFFLOAD_COMPLETED	= 1,
	IWL_SCAN_OFFLOAD_ABORTED	= 2,
};

/**
 * iwl_scan_offload_complete - SCAN_OFFLOAD_COMPLETE_NTF_API_S_VER_1
 * @last_schedule_line:		last schedule line executed (fast or regular)
 * @last_schedule_iteration:	last scan iteration executed before scan abort
 * @status:			enum iwl_scan_offload_compleate_status
 */
struct iwl_scan_offload_complete {
	u8 last_schedule_line;
	u8 last_schedule_iteration;
	u8 status;
	u8 reserved;
} __packed;

/**
 * iwl_sched_scan_results - SCAN_OFFLOAD_MATCH_FOUND_NTF_API_S_VER_1
 * @ssid_bitmap:	SSIDs indexes found in this iteration
 * @client_bitmap:	clients that are active and wait for this notification
 */
struct iwl_sched_scan_results {
	__le16 ssid_bitmap;
	u8 client_bitmap;
	u8 reserved;
};

#endif