Merge tag 'iwlwifi-next-for-kalle-2015-05-03' of https://git.kernel.org/pub/scm/linux...
[cascardo/linux.git] / drivers / net / wireless / iwlwifi / mvm / fw-api-scan.h
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65
66 #ifndef __fw_api_scan_h__
67 #define __fw_api_scan_h__
68
69 #include "fw-api.h"
70
71 /* Scan Commands, Responses, Notifications */
72
73 /* Max number of IEs for direct SSID scans in a command */
74 #define PROBE_OPTION_MAX                20
75
76 /**
77  * struct iwl_ssid_ie - directed scan network information element
78  *
79  * Up to 20 of these may appear in REPLY_SCAN_CMD,
80  * selected by "type" bit field in struct iwl_scan_channel;
81  * each channel may select different ssids from among the 20 entries.
82  * SSID IEs get transmitted in reverse order of entry.
83  */
84 struct iwl_ssid_ie {
85         u8 id;
86         u8 len;
87         u8 ssid[IEEE80211_MAX_SSID_LEN];
88 } __packed; /* SCAN_DIRECT_SSID_IE_API_S_VER_1 */
89
90 /* How many statistics are gathered for each channel */
91 #define SCAN_RESULTS_STATISTICS 1
92
93 /**
94  * enum iwl_scan_complete_status - status codes for scan complete notifications
95  * @SCAN_COMP_STATUS_OK:  scan completed successfully
96  * @SCAN_COMP_STATUS_ABORT: scan was aborted by user
97  * @SCAN_COMP_STATUS_ERR_SLEEP: sending null sleep packet failed
98  * @SCAN_COMP_STATUS_ERR_CHAN_TIMEOUT: timeout before channel is ready
99  * @SCAN_COMP_STATUS_ERR_PROBE: sending probe request failed
100  * @SCAN_COMP_STATUS_ERR_WAKEUP: sending null wakeup packet failed
101  * @SCAN_COMP_STATUS_ERR_ANTENNAS: invalid antennas chosen at scan command
102  * @SCAN_COMP_STATUS_ERR_INTERNAL: internal error caused scan abort
103  * @SCAN_COMP_STATUS_ERR_COEX: medium was lost ot WiMax
104  * @SCAN_COMP_STATUS_P2P_ACTION_OK: P2P public action frame TX was successful
105  *      (not an error!)
106  * @SCAN_COMP_STATUS_ITERATION_END: indicates end of one repetition the driver
107  *      asked for
108  * @SCAN_COMP_STATUS_ERR_ALLOC_TE: scan could not allocate time events
109 */
110 enum iwl_scan_complete_status {
111         SCAN_COMP_STATUS_OK = 0x1,
112         SCAN_COMP_STATUS_ABORT = 0x2,
113         SCAN_COMP_STATUS_ERR_SLEEP = 0x3,
114         SCAN_COMP_STATUS_ERR_CHAN_TIMEOUT = 0x4,
115         SCAN_COMP_STATUS_ERR_PROBE = 0x5,
116         SCAN_COMP_STATUS_ERR_WAKEUP = 0x6,
117         SCAN_COMP_STATUS_ERR_ANTENNAS = 0x7,
118         SCAN_COMP_STATUS_ERR_INTERNAL = 0x8,
119         SCAN_COMP_STATUS_ERR_COEX = 0x9,
120         SCAN_COMP_STATUS_P2P_ACTION_OK = 0xA,
121         SCAN_COMP_STATUS_ITERATION_END = 0x0B,
122         SCAN_COMP_STATUS_ERR_ALLOC_TE = 0x0C,
123 };
124
125 /* scan offload */
126 #define IWL_SCAN_MAX_BLACKLIST_LEN      64
127 #define IWL_SCAN_SHORT_BLACKLIST_LEN    16
128 #define IWL_SCAN_MAX_PROFILES           11
129 #define SCAN_OFFLOAD_PROBE_REQ_SIZE     512
130
131 /* Default watchdog (in MS) for scheduled scan iteration */
132 #define IWL_SCHED_SCAN_WATCHDOG cpu_to_le16(15000)
133
134 #define IWL_GOOD_CRC_TH_DEFAULT cpu_to_le16(1)
135 #define CAN_ABORT_STATUS 1
136
137 #define IWL_FULL_SCAN_MULTIPLIER 5
138 #define IWL_FAST_SCHED_SCAN_ITERATIONS 3
139
140 enum scan_framework_client {
141         SCAN_CLIENT_SCHED_SCAN          = BIT(0),
142         SCAN_CLIENT_NETDETECT           = BIT(1),
143         SCAN_CLIENT_ASSET_TRACKING      = BIT(2),
144 };
145
146 /**
147  * struct iwl_scan_offload_cmd - SCAN_REQUEST_FIXED_PART_API_S_VER_6
148  * @scan_flags:         see enum iwl_scan_flags
149  * @channel_count:      channels in channel list
150  * @quiet_time:         dwell time, in milliseconds, on quiet channel
151  * @quiet_plcp_th:      quiet channel num of packets threshold
152  * @good_CRC_th:        passive to active promotion threshold
153  * @rx_chain:           RXON rx chain.
154  * @max_out_time:       max TUs to be out of associated channel
155  * @suspend_time:       pause scan this TUs when returning to service channel
156  * @flags:              RXON flags
157  * @filter_flags:       RXONfilter
158  * @tx_cmd:             tx command for active scan; for 2GHz and for 5GHz.
159  * @direct_scan:        list of SSIDs for directed active scan
160  * @scan_type:          see enum iwl_scan_type.
161  * @rep_count:          repetition count for each scheduled scan iteration.
162  */
163 struct iwl_scan_offload_cmd {
164         __le16 len;
165         u8 scan_flags;
166         u8 channel_count;
167         __le16 quiet_time;
168         __le16 quiet_plcp_th;
169         __le16 good_CRC_th;
170         __le16 rx_chain;
171         __le32 max_out_time;
172         __le32 suspend_time;
173         /* RX_ON_FLAGS_API_S_VER_1 */
174         __le32 flags;
175         __le32 filter_flags;
176         struct iwl_tx_cmd tx_cmd[2];
177         /* SCAN_DIRECT_SSID_IE_API_S_VER_1 */
178         struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
179         __le32 scan_type;
180         __le32 rep_count;
181 } __packed;
182
183 enum iwl_scan_offload_channel_flags {
184         IWL_SCAN_OFFLOAD_CHANNEL_ACTIVE         = BIT(0),
185         IWL_SCAN_OFFLOAD_CHANNEL_NARROW         = BIT(22),
186         IWL_SCAN_OFFLOAD_CHANNEL_FULL           = BIT(24),
187         IWL_SCAN_OFFLOAD_CHANNEL_PARTIAL        = BIT(25),
188 };
189
190 /* channel configuration for struct iwl_scan_offload_cfg. Each channels needs:
191  * __le32 type: bitmap; bits 1-20 are for directed scan to i'th ssid and
192  *      see enum iwl_scan_offload_channel_flags.
193  * __le16 channel_number: channel number 1-13 etc.
194  * __le16 iter_count: repetition count for the channel.
195  * __le32 iter_interval: interval between two iterations on one channel.
196  * u8 active_dwell.
197  * u8 passive_dwell.
198  */
199 #define IWL_SCAN_CHAN_SIZE 14
200
201 /**
202  * iwl_scan_offload_cfg - SCAN_OFFLOAD_CONFIG_API_S
203  * @scan_cmd:           scan command fixed part
204  * @data:               scan channel configuration and probe request frames
205  */
206 struct iwl_scan_offload_cfg {
207         struct iwl_scan_offload_cmd scan_cmd;
208         u8 data[0];
209 } __packed;
210
211 /**
212  * iwl_scan_offload_blacklist - SCAN_OFFLOAD_BLACKLIST_S
213  * @ssid:               MAC address to filter out
214  * @reported_rssi:      AP rssi reported to the host
215  * @client_bitmap: clients ignore this entry  - enum scan_framework_client
216  */
217 struct iwl_scan_offload_blacklist {
218         u8 ssid[ETH_ALEN];
219         u8 reported_rssi;
220         u8 client_bitmap;
221 } __packed;
222
223 enum iwl_scan_offload_network_type {
224         IWL_NETWORK_TYPE_BSS    = 1,
225         IWL_NETWORK_TYPE_IBSS   = 2,
226         IWL_NETWORK_TYPE_ANY    = 3,
227 };
228
229 enum iwl_scan_offload_band_selection {
230         IWL_SCAN_OFFLOAD_SELECT_2_4     = 0x4,
231         IWL_SCAN_OFFLOAD_SELECT_5_2     = 0x8,
232         IWL_SCAN_OFFLOAD_SELECT_ANY     = 0xc,
233 };
234
235 /**
236  * iwl_scan_offload_profile - SCAN_OFFLOAD_PROFILE_S
237  * @ssid_index:         index to ssid list in fixed part
238  * @unicast_cipher:     encryption algorithm to match - bitmap
239  * @aut_alg:            authentication algorithm to match - bitmap
240  * @network_type:       enum iwl_scan_offload_network_type
241  * @band_selection:     enum iwl_scan_offload_band_selection
242  * @client_bitmap:      clients waiting for match - enum scan_framework_client
243  */
244 struct iwl_scan_offload_profile {
245         u8 ssid_index;
246         u8 unicast_cipher;
247         u8 auth_alg;
248         u8 network_type;
249         u8 band_selection;
250         u8 client_bitmap;
251         u8 reserved[2];
252 } __packed;
253
254 /**
255  * iwl_scan_offload_profile_cfg - SCAN_OFFLOAD_PROFILES_CFG_API_S_VER_1
256  * @blaclist:           AP list to filter off from scan results
257  * @profiles:           profiles to search for match
258  * @blacklist_len:      length of blacklist
259  * @num_profiles:       num of profiles in the list
260  * @match_notify:       clients waiting for match found notification
261  * @pass_match:         clients waiting for the results
262  * @active_clients:     active clients bitmap - enum scan_framework_client
263  * @any_beacon_notify:  clients waiting for match notification without match
264  */
265 struct iwl_scan_offload_profile_cfg {
266         struct iwl_scan_offload_profile profiles[IWL_SCAN_MAX_PROFILES];
267         u8 blacklist_len;
268         u8 num_profiles;
269         u8 match_notify;
270         u8 pass_match;
271         u8 active_clients;
272         u8 any_beacon_notify;
273         u8 reserved[2];
274 } __packed;
275
276 /**
277  * iwl_scan_schedule_lmac - schedule of scan offload
278  * @delay:              delay between iterations, in seconds.
279  * @iterations:         num of scan iterations
280  * @full_scan_mul:      number of partial scans before each full scan
281  */
282 struct iwl_scan_schedule_lmac {
283         __le16 delay;
284         u8 iterations;
285         u8 full_scan_mul;
286 } __packed; /* SCAN_SCHEDULE_API_S */
287
288 enum iwl_scan_offload_complete_status {
289         IWL_SCAN_OFFLOAD_COMPLETED      = 1,
290         IWL_SCAN_OFFLOAD_ABORTED        = 2,
291 };
292
293 enum iwl_scan_ebs_status {
294         IWL_SCAN_EBS_SUCCESS,
295         IWL_SCAN_EBS_FAILED,
296         IWL_SCAN_EBS_CHAN_NOT_FOUND,
297 };
298
299 /**
300  * iwl_scan_offload_complete - SCAN_OFFLOAD_COMPLETE_NTF_API_S_VER_1
301  * @last_schedule_line:         last schedule line executed (fast or regular)
302  * @last_schedule_iteration:    last scan iteration executed before scan abort
303  * @status:                     enum iwl_scan_offload_compleate_status
304  * @ebs_status: last EBS status, see IWL_SCAN_EBS_*
305  */
306 struct iwl_scan_offload_complete {
307         u8 last_schedule_line;
308         u8 last_schedule_iteration;
309         u8 status;
310         u8 ebs_status;
311 } __packed;
312
313 /**
314  * iwl_sched_scan_results - SCAN_OFFLOAD_MATCH_FOUND_NTF_API_S_VER_1
315  * @ssid_bitmap:        SSIDs indexes found in this iteration
316  * @client_bitmap:      clients that are active and wait for this notification
317  */
318 struct iwl_sched_scan_results {
319         __le16 ssid_bitmap;
320         u8 client_bitmap;
321         u8 reserved;
322 };
323
324 /* Unified LMAC scan API */
325
326 #define IWL_MVM_BASIC_PASSIVE_DWELL 110
327
328 /**
329  * iwl_scan_req_tx_cmd - SCAN_REQ_TX_CMD_API_S
330  * @tx_flags: combination of TX_CMD_FLG_*
331  * @rate_n_flags: rate for *all* Tx attempts, if TX_CMD_FLG_STA_RATE_MSK is
332  *      cleared. Combination of RATE_MCS_*
333  * @sta_id: index of destination station in FW station table
334  * @reserved: for alignment and future use
335  */
336 struct iwl_scan_req_tx_cmd {
337         __le32 tx_flags;
338         __le32 rate_n_flags;
339         u8 sta_id;
340         u8 reserved[3];
341 } __packed;
342
343 enum iwl_scan_channel_flags_lmac {
344         IWL_UNIFIED_SCAN_CHANNEL_FULL           = BIT(27),
345         IWL_UNIFIED_SCAN_CHANNEL_PARTIAL        = BIT(28),
346 };
347
348 /**
349  * iwl_scan_channel_cfg_lmac - SCAN_CHANNEL_CFG_S_VER2
350  * @flags:              bits 1-20: directed scan to i'th ssid
351  *                      other bits &enum iwl_scan_channel_flags_lmac
352  * @channel_number:     channel number 1-13 etc
353  * @iter_count:         scan iteration on this channel
354  * @iter_interval:      interval in seconds between iterations on one channel
355  */
356 struct iwl_scan_channel_cfg_lmac {
357         __le32 flags;
358         __le16 channel_num;
359         __le16 iter_count;
360         __le32 iter_interval;
361 } __packed;
362
363 /*
364  * iwl_scan_probe_segment - PROBE_SEGMENT_API_S_VER_1
365  * @offset: offset in the data block
366  * @len: length of the segment
367  */
368 struct iwl_scan_probe_segment {
369         __le16 offset;
370         __le16 len;
371 } __packed;
372
373 /* iwl_scan_probe_req - PROBE_REQUEST_FRAME_API_S_VER_2
374  * @mac_header: first (and common) part of the probe
375  * @band_data: band specific data
376  * @common_data: last (and common) part of the probe
377  * @buf: raw data block
378  */
379 struct iwl_scan_probe_req {
380         struct iwl_scan_probe_segment mac_header;
381         struct iwl_scan_probe_segment band_data[2];
382         struct iwl_scan_probe_segment common_data;
383         u8 buf[SCAN_OFFLOAD_PROBE_REQ_SIZE];
384 } __packed;
385
386 enum iwl_scan_channel_flags {
387         IWL_SCAN_CHANNEL_FLAG_EBS               = BIT(0),
388         IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE      = BIT(1),
389         IWL_SCAN_CHANNEL_FLAG_CACHE_ADD         = BIT(2),
390 };
391
392 /* iwl_scan_channel_opt - CHANNEL_OPTIMIZATION_API_S
393  * @flags: enum iwl_scan_channel_flags
394  * @non_ebs_ratio: defines the ratio of number of scan iterations where EBS is
395  *      involved.
396  *      1 - EBS is disabled.
397  *      2 - every second scan will be full scan(and so on).
398  */
399 struct iwl_scan_channel_opt {
400         __le16 flags;
401         __le16 non_ebs_ratio;
402 } __packed;
403
404 /**
405  * iwl_mvm_lmac_scan_flags
406  * @IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL: pass all beacons and probe responses
407  *      without filtering.
408  * @IWL_MVM_LMAC_SCAN_FLAG_PASSIVE: force passive scan on all channels
409  * @IWL_MVM_LMAC_SCAN_FLAG_PRE_CONNECTION: single channel scan
410  * @IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE: send iteration complete notification
411  * @IWL_MVM_LMAC_SCAN_FLAG_MULTIPLE_SSIDS multiple SSID matching
412  * @IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED: all passive scans will be fragmented
413  * @IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED: insert WFA vendor-specific TPC report
414  *      and DS parameter set IEs into probe requests.
415  * @IWL_MVM_LMAC_SCAN_FLAG_MATCH: Send match found notification on matches
416  */
417 enum iwl_mvm_lmac_scan_flags {
418         IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL         = BIT(0),
419         IWL_MVM_LMAC_SCAN_FLAG_PASSIVE          = BIT(1),
420         IWL_MVM_LMAC_SCAN_FLAG_PRE_CONNECTION   = BIT(2),
421         IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE    = BIT(3),
422         IWL_MVM_LMAC_SCAN_FLAG_MULTIPLE_SSIDS   = BIT(4),
423         IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED       = BIT(5),
424         IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED     = BIT(6),
425         IWL_MVM_LMAC_SCAN_FLAG_MATCH            = BIT(9),
426 };
427
428 enum iwl_scan_priority {
429         IWL_SCAN_PRIORITY_LOW,
430         IWL_SCAN_PRIORITY_MEDIUM,
431         IWL_SCAN_PRIORITY_HIGH,
432 };
433
434 /**
435  * iwl_scan_req_lmac - SCAN_REQUEST_CMD_API_S_VER_1
436  * @reserved1: for alignment and future use
437  * @channel_num: num of channels to scan
438  * @active-dwell: dwell time for active channels
439  * @passive-dwell: dwell time for passive channels
440  * @fragmented-dwell: dwell time for fragmented passive scan
441  * @reserved2: for alignment and future use
442  * @rx_chain_selct: PHY_RX_CHAIN_* flags
443  * @scan_flags: &enum iwl_mvm_lmac_scan_flags
444  * @max_out_time: max time (in TU) to be out of associated channel
445  * @suspend_time: pause scan this long (TUs) when returning to service channel
446  * @flags: RXON flags
447  * @filter_flags: RXON filter
448  * @tx_cmd: tx command for active scan; for 2GHz and for 5GHz
449  * @direct_scan: list of SSIDs for directed active scan
450  * @scan_prio: enum iwl_scan_priority
451  * @iter_num: number of scan iterations
452  * @delay: delay in seconds before first iteration
453  * @schedule: two scheduling plans. The first one is finite, the second one can
454  *      be infinite.
455  * @channel_opt: channel optimization options, for full and partial scan
456  * @data: channel configuration and probe request packet.
457  */
458 struct iwl_scan_req_lmac {
459         /* SCAN_REQUEST_FIXED_PART_API_S_VER_7 */
460         __le32 reserved1;
461         u8 n_channels;
462         u8 active_dwell;
463         u8 passive_dwell;
464         u8 fragmented_dwell;
465         __le16 reserved2;
466         __le16 rx_chain_select;
467         __le32 scan_flags;
468         __le32 max_out_time;
469         __le32 suspend_time;
470         /* RX_ON_FLAGS_API_S_VER_1 */
471         __le32 flags;
472         __le32 filter_flags;
473         struct iwl_scan_req_tx_cmd tx_cmd[2];
474         struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
475         __le32 scan_prio;
476         /* SCAN_REQ_PERIODIC_PARAMS_API_S */
477         __le32 iter_num;
478         __le32 delay;
479         struct iwl_scan_schedule_lmac schedule[2];
480         struct iwl_scan_channel_opt channel_opt[2];
481         u8 data[];
482 } __packed;
483
484 /**
485  * struct iwl_scan_results_notif - scan results for one channel -
486  *      SCAN_RESULT_NTF_API_S_VER_3
487  * @channel: which channel the results are from
488  * @band: 0 for 5.2 GHz, 1 for 2.4 GHz
489  * @probe_status: SCAN_PROBE_STATUS_*, indicates success of probe request
490  * @num_probe_not_sent: # of request that weren't sent due to not enough time
491  * @duration: duration spent in channel, in usecs
492  */
493 struct iwl_scan_results_notif {
494         u8 channel;
495         u8 band;
496         u8 probe_status;
497         u8 num_probe_not_sent;
498         __le32 duration;
499 } __packed;
500
501 /**
502  * struct iwl_lmac_scan_complete_notif - notifies end of scanning (all channels)
503  *      SCAN_COMPLETE_NTF_API_S_VER_3
504  * @scanned_channels: number of channels scanned (and number of valid results)
505  * @status: one of SCAN_COMP_STATUS_*
506  * @bt_status: BT on/off status
507  * @last_channel: last channel that was scanned
508  * @tsf_low: TSF timer (lower half) in usecs
509  * @tsf_high: TSF timer (higher half) in usecs
510  * @results: an array of scan results, only "scanned_channels" of them are valid
511  */
512 struct iwl_lmac_scan_complete_notif {
513         u8 scanned_channels;
514         u8 status;
515         u8 bt_status;
516         u8 last_channel;
517         __le32 tsf_low;
518         __le32 tsf_high;
519         struct iwl_scan_results_notif results[];
520 } __packed;
521
522 /**
523  * iwl_scan_offload_complete - PERIODIC_SCAN_COMPLETE_NTF_API_S_VER_2
524  * @last_schedule_line: last schedule line executed (fast or regular)
525  * @last_schedule_iteration: last scan iteration executed before scan abort
526  * @status: enum iwl_scan_offload_complete_status
527  * @ebs_status: EBS success status &enum iwl_scan_ebs_status
528  * @time_after_last_iter; time in seconds elapsed after last iteration
529  */
530 struct iwl_periodic_scan_complete {
531         u8 last_schedule_line;
532         u8 last_schedule_iteration;
533         u8 status;
534         u8 ebs_status;
535         __le32 time_after_last_iter;
536         __le32 reserved;
537 } __packed;
538
539 /* UMAC Scan API */
540
541 /**
542  * struct iwl_mvm_umac_cmd_hdr - Command header for UMAC commands
543  * @size:       size of the command (not including header)
544  * @reserved0:  for future use and alignment
545  * @ver:        API version number
546  */
547 struct iwl_mvm_umac_cmd_hdr {
548         __le16 size;
549         u8 reserved0;
550         u8 ver;
551 } __packed;
552
553 /* The maximum of either of these cannot exceed 8, because we use an
554  * 8-bit mask (see IWL_MVM_SCAN_MASK in mvm.h).
555  */
556 #define IWL_MVM_MAX_UMAC_SCANS 8
557 #define IWL_MVM_MAX_LMAC_SCANS 1
558
559 enum scan_config_flags {
560         SCAN_CONFIG_FLAG_ACTIVATE                       = BIT(0),
561         SCAN_CONFIG_FLAG_DEACTIVATE                     = BIT(1),
562         SCAN_CONFIG_FLAG_FORBID_CHUB_REQS               = BIT(2),
563         SCAN_CONFIG_FLAG_ALLOW_CHUB_REQS                = BIT(3),
564         SCAN_CONFIG_FLAG_SET_TX_CHAINS                  = BIT(8),
565         SCAN_CONFIG_FLAG_SET_RX_CHAINS                  = BIT(9),
566         SCAN_CONFIG_FLAG_SET_AUX_STA_ID                 = BIT(10),
567         SCAN_CONFIG_FLAG_SET_ALL_TIMES                  = BIT(11),
568         SCAN_CONFIG_FLAG_SET_EFFECTIVE_TIMES            = BIT(12),
569         SCAN_CONFIG_FLAG_SET_CHANNEL_FLAGS              = BIT(13),
570         SCAN_CONFIG_FLAG_SET_LEGACY_RATES               = BIT(14),
571         SCAN_CONFIG_FLAG_SET_MAC_ADDR                   = BIT(15),
572         SCAN_CONFIG_FLAG_SET_FRAGMENTED                 = BIT(16),
573         SCAN_CONFIG_FLAG_CLEAR_FRAGMENTED               = BIT(17),
574         SCAN_CONFIG_FLAG_SET_CAM_MODE                   = BIT(18),
575         SCAN_CONFIG_FLAG_CLEAR_CAM_MODE                 = BIT(19),
576         SCAN_CONFIG_FLAG_SET_PROMISC_MODE               = BIT(20),
577         SCAN_CONFIG_FLAG_CLEAR_PROMISC_MODE             = BIT(21),
578
579         /* Bits 26-31 are for num of channels in channel_array */
580 #define SCAN_CONFIG_N_CHANNELS(n) ((n) << 26)
581 };
582
583 enum scan_config_rates {
584         /* OFDM basic rates */
585         SCAN_CONFIG_RATE_6M     = BIT(0),
586         SCAN_CONFIG_RATE_9M     = BIT(1),
587         SCAN_CONFIG_RATE_12M    = BIT(2),
588         SCAN_CONFIG_RATE_18M    = BIT(3),
589         SCAN_CONFIG_RATE_24M    = BIT(4),
590         SCAN_CONFIG_RATE_36M    = BIT(5),
591         SCAN_CONFIG_RATE_48M    = BIT(6),
592         SCAN_CONFIG_RATE_54M    = BIT(7),
593         /* CCK basic rates */
594         SCAN_CONFIG_RATE_1M     = BIT(8),
595         SCAN_CONFIG_RATE_2M     = BIT(9),
596         SCAN_CONFIG_RATE_5M     = BIT(10),
597         SCAN_CONFIG_RATE_11M    = BIT(11),
598
599         /* Bits 16-27 are for supported rates */
600 #define SCAN_CONFIG_SUPPORTED_RATE(rate)        ((rate) << 16)
601 };
602
603 enum iwl_channel_flags {
604         IWL_CHANNEL_FLAG_EBS                            = BIT(0),
605         IWL_CHANNEL_FLAG_ACCURATE_EBS                   = BIT(1),
606         IWL_CHANNEL_FLAG_EBS_ADD                        = BIT(2),
607         IWL_CHANNEL_FLAG_PRE_SCAN_PASSIVE2ACTIVE        = BIT(3),
608 };
609
610 /**
611  * struct iwl_scan_config
612  * @hdr: umac command header
613  * @flags:                      enum scan_config_flags
614  * @tx_chains:                  valid_tx antenna - ANT_* definitions
615  * @rx_chains:                  valid_rx antenna - ANT_* definitions
616  * @legacy_rates:               default legacy rates - enum scan_config_rates
617  * @out_of_channel_time:        default max out of serving channel time
618  * @suspend_time:               default max suspend time
619  * @dwell_active:               default dwell time for active scan
620  * @dwell_passive:              default dwell time for passive scan
621  * @dwell_fragmented:           default dwell time for fragmented scan
622  * @reserved:                   for future use and alignment
623  * @mac_addr:                   default mac address to be used in probes
624  * @bcast_sta_id:               the index of the station in the fw
625  * @channel_flags:              default channel flags - enum iwl_channel_flags
626  *                              scan_config_channel_flag
627  * @channel_array:              default supported channels
628  */
629 struct iwl_scan_config {
630         struct iwl_mvm_umac_cmd_hdr hdr;
631         __le32 flags;
632         __le32 tx_chains;
633         __le32 rx_chains;
634         __le32 legacy_rates;
635         __le32 out_of_channel_time;
636         __le32 suspend_time;
637         u8 dwell_active;
638         u8 dwell_passive;
639         u8 dwell_fragmented;
640         u8 reserved;
641         u8 mac_addr[ETH_ALEN];
642         u8 bcast_sta_id;
643         u8 channel_flags;
644         u8 channel_array[];
645 } __packed; /* SCAN_CONFIG_DB_CMD_API_S */
646
647 /**
648  * iwl_umac_scan_flags
649  *@IWL_UMAC_SCAN_FLAG_PREEMPTIVE: scan process triggered by this scan request
650  *      can be preempted by other scan requests with higher priority.
651  *      The low priority scan is aborted.
652  *@IWL_UMAC_SCAN_FLAG_START_NOTIF: notification will be sent to the driver
653  *      when scan starts.
654  */
655 enum iwl_umac_scan_flags {
656         IWL_UMAC_SCAN_FLAG_PREEMPTIVE           = BIT(0),
657         IWL_UMAC_SCAN_FLAG_START_NOTIF          = BIT(1),
658 };
659
660 enum iwl_umac_scan_uid_offsets {
661         IWL_UMAC_SCAN_UID_TYPE_OFFSET           = 0,
662         IWL_UMAC_SCAN_UID_SEQ_OFFSET            = 8,
663 };
664
665 enum iwl_umac_scan_general_flags {
666         IWL_UMAC_SCAN_GEN_FLAGS_PERIODIC        = BIT(0),
667         IWL_UMAC_SCAN_GEN_FLAGS_OVER_BT         = BIT(1),
668         IWL_UMAC_SCAN_GEN_FLAGS_PASS_ALL        = BIT(2),
669         IWL_UMAC_SCAN_GEN_FLAGS_PASSIVE         = BIT(3),
670         IWL_UMAC_SCAN_GEN_FLAGS_PRE_CONNECT     = BIT(4),
671         IWL_UMAC_SCAN_GEN_FLAGS_ITER_COMPLETE   = BIT(5),
672         IWL_UMAC_SCAN_GEN_FLAGS_MULTIPLE_SSID   = BIT(6),
673         IWL_UMAC_SCAN_GEN_FLAGS_FRAGMENTED      = BIT(7),
674         IWL_UMAC_SCAN_GEN_FLAGS_RRM_ENABLED     = BIT(8),
675         IWL_UMAC_SCAN_GEN_FLAGS_MATCH           = BIT(9)
676 };
677
678 /**
679  * struct iwl_scan_channel_cfg_umac
680  * @flags:              bitmap - 0-19:  directed scan to i'th ssid.
681  * @channel_num:        channel number 1-13 etc.
682  * @iter_count:         repetition count for the channel.
683  * @iter_interval:      interval between two scan iterations on one channel.
684  */
685 struct iwl_scan_channel_cfg_umac {
686         __le32 flags;
687         u8 channel_num;
688         u8 iter_count;
689         __le16 iter_interval;
690 } __packed; /* SCAN_CHANNEL_CFG_S_VER2 */
691
692 /**
693  * struct iwl_scan_umac_schedule
694  * @interval: interval in seconds between scan iterations
695  * @iter_count: num of scan iterations for schedule plan, 0xff for infinite loop
696  * @reserved: for alignment and future use
697  */
698 struct iwl_scan_umac_schedule {
699         __le16 interval;
700         u8 iter_count;
701         u8 reserved;
702 } __packed; /* SCAN_SCHED_PARAM_API_S_VER_1 */
703
704 /**
705  * struct iwl_scan_req_umac_tail - the rest of the UMAC scan request command
706  *      parameters following channels configuration array.
707  * @schedule: two scheduling plans.
708  * @delay: delay in TUs before starting the first scan iteration
709  * @reserved: for future use and alignment
710  * @preq: probe request with IEs blocks
711  * @direct_scan: list of SSIDs for directed active scan
712  */
713 struct iwl_scan_req_umac_tail {
714         /* SCAN_PERIODIC_PARAMS_API_S_VER_1 */
715         struct iwl_scan_umac_schedule schedule[2];
716         __le16 delay;
717         __le16 reserved;
718         /* SCAN_PROBE_PARAMS_API_S_VER_1 */
719         struct iwl_scan_probe_req preq;
720         struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX];
721 } __packed;
722
723 /**
724  * struct iwl_scan_req_umac
725  * @hdr: umac command header
726  * @flags: &enum iwl_umac_scan_flags
727  * @uid: scan id, &enum iwl_umac_scan_uid_offsets
728  * @ooc_priority: out of channel priority - &enum iwl_scan_priority
729  * @general_flags: &enum iwl_umac_scan_general_flags
730  * @reserved1: for future use and alignment
731  * @active_dwell: dwell time for active scan
732  * @passive_dwell: dwell time for passive scan
733  * @fragmented_dwell: dwell time for fragmented passive scan
734  * @max_out_time: max out of serving channel time
735  * @suspend_time: max suspend time
736  * @scan_priority: scan internal prioritization &enum iwl_scan_priority
737  * @channel_flags: &enum iwl_scan_channel_flags
738  * @n_channels: num of channels in scan request
739  * @reserved2: for future use and alignment
740  * @data: &struct iwl_scan_channel_cfg_umac and
741  *      &struct iwl_scan_req_umac_tail
742  */
743 struct iwl_scan_req_umac {
744         struct iwl_mvm_umac_cmd_hdr hdr;
745         __le32 flags;
746         __le32 uid;
747         __le32 ooc_priority;
748         /* SCAN_GENERAL_PARAMS_API_S_VER_1 */
749         __le32 general_flags;
750         u8 reserved1;
751         u8 active_dwell;
752         u8 passive_dwell;
753         u8 fragmented_dwell;
754         __le32 max_out_time;
755         __le32 suspend_time;
756         __le32 scan_priority;
757         /* SCAN_CHANNEL_PARAMS_API_S_VER_1 */
758         u8 channel_flags;
759         u8 n_channels;
760         __le16 reserved2;
761         u8 data[];
762 } __packed; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_1 */
763
764 /**
765  * struct iwl_umac_scan_abort
766  * @hdr: umac command header
767  * @uid: scan id, &enum iwl_umac_scan_uid_offsets
768  * @flags: reserved
769  */
770 struct iwl_umac_scan_abort {
771         struct iwl_mvm_umac_cmd_hdr hdr;
772         __le32 uid;
773         __le32 flags;
774 } __packed; /* SCAN_ABORT_CMD_UMAC_API_S_VER_1 */
775
776 /**
777  * struct iwl_umac_scan_complete
778  * @uid: scan id, &enum iwl_umac_scan_uid_offsets
779  * @last_schedule: last scheduling line
780  * @last_iter:  last scan iteration number
781  * @scan status: &enum iwl_scan_offload_complete_status
782  * @ebs_status: &enum iwl_scan_ebs_status
783  * @time_from_last_iter: time elapsed from last iteration
784  * @reserved: for future use
785  */
786 struct iwl_umac_scan_complete {
787         __le32 uid;
788         u8 last_schedule;
789         u8 last_iter;
790         u8 status;
791         u8 ebs_status;
792         __le32 time_from_last_iter;
793         __le32 reserved;
794 } __packed; /* SCAN_COMPLETE_NTF_UMAC_API_S_VER_1 */
795
796 #define SCAN_OFFLOAD_MATCHING_CHANNELS_LEN 5
797 /**
798  * struct iwl_scan_offload_profile_match - match information
799  * @bssid: matched bssid
800  * @channel: channel where the match occurred
801  * @energy:
802  * @matching_feature:
803  * @matching_channels: bitmap of channels that matched, referencing
804  *      the channels passed in tue scan offload request
805  */
806 struct iwl_scan_offload_profile_match {
807         u8 bssid[ETH_ALEN];
808         __le16 reserved;
809         u8 channel;
810         u8 energy;
811         u8 matching_feature;
812         u8 matching_channels[SCAN_OFFLOAD_MATCHING_CHANNELS_LEN];
813 } __packed; /* SCAN_OFFLOAD_PROFILE_MATCH_RESULTS_S_VER_1 */
814
815 /**
816  * struct iwl_scan_offload_profiles_query - match results query response
817  * @matched_profiles: bitmap of matched profiles, referencing the
818  *      matches passed in the scan offload request
819  * @last_scan_age: age of the last offloaded scan
820  * @n_scans_done: number of offloaded scans done
821  * @gp2_d0u: GP2 when D0U occurred
822  * @gp2_invoked: GP2 when scan offload was invoked
823  * @resume_while_scanning: not used
824  * @self_recovery: obsolete
825  * @reserved: reserved
826  * @matches: array of match information, one for each match
827  */
828 struct iwl_scan_offload_profiles_query {
829         __le32 matched_profiles;
830         __le32 last_scan_age;
831         __le32 n_scans_done;
832         __le32 gp2_d0u;
833         __le32 gp2_invoked;
834         u8 resume_while_scanning;
835         u8 self_recovery;
836         __le16 reserved;
837         struct iwl_scan_offload_profile_match matches[IWL_SCAN_MAX_PROFILES];
838 } __packed; /* SCAN_OFFLOAD_PROFILES_QUERY_RSP_S_VER_2 */
839
840 #endif