1 /*
2  * Copyright (c) 2017-2021 The Linux Foundation. All rights reserved.
3  * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for
6  * any purpose with or without fee is hereby granted, provided that the
7  * above copyright notice and this permission notice appear in all
8  * copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17  * PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 /*
21  * DOC: contains scan init/deinit public api
22  */
23 
24 #ifndef _WLAN_SCAN_MAIN_API_H_
25 #define _WLAN_SCAN_MAIN_API_H_
26 
27 #include <qdf_atomic.h>
28 #include <wlan_objmgr_psoc_obj.h>
29 #include <wlan_objmgr_pdev_obj.h>
30 #include <wlan_objmgr_vdev_obj.h>
31 #include <wlan_scan_public_structs.h>
32 #include "wlan_scan_cache_db.h"
33 #include "wlan_scan_11d.h"
34 #include "cfg_scan.h"
35 
36 #define scm_alert(params...) \
37 	QDF_TRACE_FATAL(QDF_MODULE_ID_SCAN, params)
38 #define scm_err(params...) \
39 	QDF_TRACE_ERROR(QDF_MODULE_ID_SCAN, params)
40 #define scm_warn(params...) \
41 	QDF_TRACE_WARN(QDF_MODULE_ID_SCAN, params)
42 #define scm_notice(params...) \
43 	QDF_TRACE_INFO(QDF_MODULE_ID_SCAN, params)
44 #define scm_info(params...) \
45 	QDF_TRACE_INFO(QDF_MODULE_ID_SCAN, params)
46 #define scm_debug(params...) \
47 	QDF_TRACE_DEBUG(QDF_MODULE_ID_SCAN, params)
48 
49 /* Rate Limited Logs */
50 #define scm_alert_rl(params...) \
51 	QDF_TRACE_FATAL_RL(QDF_MODULE_ID_SCAN, params)
52 #define scm_err_rl(params...) \
53 	QDF_TRACE_ERROR_RL(QDF_MODULE_ID_SCAN, params)
54 #define scm_warn_rl(params...) \
55 	QDF_TRACE_WARN_RL(QDF_MODULE_ID_SCAN, params)
56 #define scm_info_rl(params...) \
57 	QDF_TRACE_INFO_RL(QDF_MODULE_ID_SCAN, params)
58 #define scm_debug_rl(params...) \
59 	QDF_TRACE_DEBUG_RL(QDF_MODULE_ID_SCAN, params)
60 
61 #define scm_nofl_alert(params...) \
62 	QDF_TRACE_FATAL_NO_FL(QDF_MODULE_ID_SCAN, params)
63 #define scm_nofl_err(params...) \
64 	QDF_TRACE_ERROR_NO_FL(QDF_MODULE_ID_SCAN, params)
65 #define scm_nofl_warn(params...) \
66 	QDF_TRACE_WARN_NO_FL(QDF_MODULE_ID_SCAN, params)
67 #define scm_nofl_info(params...) \
68 	QDF_TRACE_INFO_NO_FL(QDF_MODULE_ID_SCAN, params)
69 #define scm_nofl_debug(params...) \
70 	QDF_TRACE_DEBUG_NO_FL(QDF_MODULE_ID_SCAN, params)
71 
72 #define scm_hex_dump(level, data, buf_len) \
73 		qdf_trace_hex_dump(QDF_MODULE_ID_SCAN, level, data, buf_len)
74 
75 #define MAX_SCAN_EVENT_HANDLERS_PER_PDEV   100
76 #define WLAN_MAX_MODULE_NAME    40
77 #define WLAN_MAX_REQUESTORS     200
78 #define WLAN_SCAN_ID_MASK 0x00000FFF
79 #define WLAN_HOST_SCAN_REQ_ID_PREFIX 0x0000A000
80 #define SCAN_NPROBES_DEFAULT 2
81 #define WLAN_P2P_SOCIAL_CHANNELS 3
82 
83 #define SCAN_BURST_SCAN_MAX_NUM_OFFCHANNELS  (3)
84 #define SCAN_SCAN_IDLE_TIME_DEFAULT          (25)
85 #define SCAN_3PORT_CONC_SCAN_MAX_BURST_DURATION  (25)
86 #define SCAN_CTS_DURATION_MS_MAX             (32)
87 #define SCAN_ROAM_SCAN_CHANNEL_SWITCH_TIME    (4)
88 #define SCAN_DWELL_TIME_PROBE_TIME_MAP_SIZE      (11)
89 #define SCAN_GO_MIN_ACTIVE_SCAN_BURST_DURATION   (40)
90 #define SCAN_GO_MAX_ACTIVE_SCAN_BURST_DURATION   (240)
91 #define SCAN_P2P_SCAN_MAX_BURST_DURATION     (240)
92 #define SCAN_GO_BURST_SCAN_MAX_NUM_OFFCHANNELS   (6)
93 
94 /* MAX RNR entries per channel*/
95 #define WLAN_MAX_RNR_COUNT 15
96 
97 /*
98  * Maximum numbers of callback functions that may be invoked
99  * for a particular scan event.
100  */
101 #define MAX_SCAN_EVENT_LISTENERS (MAX_SCAN_EVENT_HANDLERS_PER_PDEV + 1)
102 
103 /**
104  * struct probe_time_dwell_time - probe time, dwell time map
105  * @dwell_time: dwell time
106  * @probe_time: repeat probe time
107  */
108 struct probe_time_dwell_time {
109 	uint8_t dwell_time;
110 	uint8_t probe_time;
111 };
112 
113 /*
114  * For the requestor id:
115  *     bit  0~12 is used for real requestor id.
116  *     bit 13~15 is used for requestor prefix.
117  *     bit 16~19 is used by specific user to aware it is issued by himself.
118  *     bit 20~31 is reserved.
119  */
120 #define WLAN_SCAN_REQUESTER_ID_PREFIX 0x0000A000
121 #define WLAN_SCAN_REQUESTER_ID_MASK 0x00001FFF
122 
123 #define SCM_NUM_RSSI_CAT        15
124 #define SCAN_STA_MIRACAST_MCC_REST_TIME 400
125 
126 #define SCAN_TIMEOUT_GRACE_PERIOD 10
127 #define SCAN_MAX_BSS_PDEV 100
128 #define SCAN_PRIORITY SCAN_PRIORITY_LOW
129 
130 /* DBS Scan policy selection ext flags */
131 #define SCAN_FLAG_EXT_DBS_SCAN_POLICY_MASK  0x00000003
132 #define SCAN_FLAG_EXT_DBS_SCAN_POLICY_BIT   0
133 #define SCAN_DBS_POLICY_DEFAULT             0x0
134 #define SCAN_DBS_POLICY_FORCE_NONDBS        0x1
135 #define SCAN_DBS_POLICY_IGNORE_DUTY         0x2
136 #define SCAN_DBS_POLICY_MAX                 0x3
137 /* Minimum number of channels for enabling DBS Scan */
138 #define SCAN_MIN_CHAN_DBS_SCAN_THRESHOLD         8
139 /*
140  * Enable Reception of Public Action frame with this flag
141  */
142 #define SCAN_FLAG_EXT_FILTER_PUBLIC_ACTION_FRAME 0x4
143 
144 /* Indicate to scan all PSC channel */
145 #define SCAN_FLAG_EXT_6GHZ_SCAN_ALL_PSC_CH 0x8
146 
147 /* Indicate to scan all NON-PSC channel */
148 #define SCAN_FLAG_EXT_6GHZ_SCAN_ALL_NON_PSC_CH 0x10
149 
150 /* Indicate to save scan result matching hint from scan client */
151 #define SCAN_FLAG_EXT_6GHZ_MATCH_HINT 0x20
152 
153 /* Skip any channel on which RNR information is not received */
154 #define SCAN_FLAG_EXT_6GHZ_SKIP_NON_RNR_CH 0x40
155 
156 /* Indicate client hint req is high priority than FW rnr or FILS discovery */
157 #define SCAN_FLAG_EXT_6GHZ_CLIENT_HIGH_PRIORITY 0x80
158 
159 /* RRM scan type indication */
160 #define SCAN_FLAG_EXT_RRM_SCAN_IND 0x400
161 
162 /* Probe request frame with unicast RA indication */
163 #define SCAN_FLAG_EXT_FORCE_UNICAST_RA  0x1000
164 
165 /* Passive dwell time if bt_a2dp is enabled. Time in msecs*/
166 #define PASSIVE_DWELL_TIME_BT_A2DP_ENABLED 28
167 
168 /* Aux Scan Flags */
169 #define SCAN_FLAG_EXT_AUX_LOW_LATENCY_SCAN	0x00008000
170 #define SCAN_FLAG_EXT_AUX_RELIABLE_SCAN		0x00010000
171 #define SCAN_FLAG_EXT_AUX_LOW_POWER_SCAN	0x00040000
172 #define SCAN_FLAG_EXT_AUX_FAST_SCAN		0x00020000
173 
174 #define SCAN_FLAG_EXT_STOP_IF_BSSID_FOUND	0x00080000
175 /**
176  * struct cb_handler - defines scan event handler
177  * call back function and arguments
178  * @func: handler function pointer
179  * @arg: argument to handler function
180  */
181 struct cb_handler {
182 	scan_event_handler func;
183 	void *arg;
184 };
185 
186 /**
187  * struct pdev_scan_ev_handler - pdev scan event handlers
188  * @handler_cnt: number of valid entries in @cb_handler
189  * @cb_handlers: array of registered scan handlers
190  */
191 struct pdev_scan_ev_handler {
192 	uint32_t handler_cnt;
193 	struct cb_handler cb_handlers[MAX_SCAN_EVENT_HANDLERS_PER_PDEV];
194 };
195 
196 /**
197  * struct global_scan_ev_handlers - per pdev registered scan event handlers
198  * @pdev_ev_handlers: per pdev registered scan event handlers
199  */
200 struct global_scan_ev_handlers {
201 	struct pdev_scan_ev_handler pdev_ev_handlers[WLAN_UMAC_MAX_PDEVS];
202 };
203 
204 /**
205  * struct scan_requester_info - defines scan requester id
206  * and event handler mapping
207  * @requester:   requester ID allocated
208  * @module:      module name of requester
209  * @ev_handler:  event handlerto be invoked
210  */
211 struct scan_requester_info {
212 	wlan_scan_requester requester;
213 	uint8_t module[WLAN_MAX_MODULE_NAME];
214 	struct cb_handler ev_handler;
215 };
216 
217 /**
218  * struct pdev_scan_info - defines per pdev scan info
219  * @wide_band_scan: wide band scan capability
220  * @last_scan_time: time of last scan start on this pdev
221  * @custom_chan_list: scan only these channels
222  * @conf_bssid: configured bssid of the hidden AP
223  * @conf_ssid: configured desired ssid
224  * @chan_scan_info: channel list scan info
225  */
226 struct pdev_scan_info {
227 	bool wide_band_scan;
228 	qdf_time_t last_scan_time;
229 	struct chan_list custom_chan_list;
230 	uint8_t conf_bssid[QDF_MAC_ADDR_SIZE];
231 	struct wlan_ssid conf_ssid;
232 	struct chan_list_scan_info chan_scan_info;
233 };
234 
235 /**
236  * struct scan_vdev_obj - scan vdev obj
237  * @pno_match_evt_received: pno match received
238  * @pno_in_progress: pno in progress
239  * @scan_disabled: if scan is disabled for this vdev
240  * @first_scan_done: Whether its the first scan or not for this particular vdev.
241  */
242 struct scan_vdev_obj {
243 	bool pno_match_evt_received;
244 	bool pno_in_progress;
245 	uint32_t scan_disabled;
246 	bool first_scan_done;
247 };
248 
249 #ifdef FEATURE_WLAN_SCAN_PNO
250 /**
251  * struct pno_def_config - def configuration for PNO
252  * @pno_offload_enabled: flag to check if PNO offload is enabled/disabled
253  * @channel_prediction: config PNO channel prediction feature status
254  * @top_k_num_of_channels: def top K number of channels are used for tanimoto
255  * distance calculation.
256  * @stationary_thresh: def threshold val to determine that STA is stationary.
257  * @adaptive_dwell_mode: def adaptive dwelltime mode for pno scan
258  * @channel_prediction_full_scan: def periodic timer upon which full scan needs
259  * to be triggered.
260  * @dfs_chnl_scan_enabled: Enable dfs channel PNO scan
261  * @scan_support_enabled: PNO scan support enabled/disabled
262  * @scan_timer_repeat_value: PNO scan timer repeat value
263  * @slow_scan_multiplier: PNO slow scan timer multiplier
264  * @max_sched_scan_plan_interval: PNO scan interval
265  * @max_sched_scan_plan_iterations: PNO scan number of iterations
266  * @scan_backoff_multiplier: Scan banckoff multiplier
267  * @pno_wake_lock: pno wake lock
268  * @pno_runtime_pm_lock: pno runtime pm lock
269  * @pno_cb: callback to call on PNO completion
270  * @mawc_params: Configuration parameters for NLO MAWC.
271  * @user_config_sched_scan_plan: if enabled set user confing sched scan plan
272  */
273 struct pno_def_config {
274 	bool pno_offload_enabled;
275 	bool channel_prediction;
276 	uint8_t top_k_num_of_channels;
277 	uint8_t stationary_thresh;
278 	enum scan_dwelltime_adaptive_mode adaptive_dwell_mode;
279 	uint32_t channel_prediction_full_scan;
280 	bool dfs_chnl_scan_enabled;
281 	bool scan_support_enabled;
282 	uint32_t scan_timer_repeat_value;
283 	uint32_t slow_scan_multiplier;
284 	uint32_t max_sched_scan_plan_interval;
285 	uint32_t max_sched_scan_plan_iterations;
286 	uint8_t scan_backoff_multiplier;
287 	qdf_wake_lock_t pno_wake_lock;
288 	qdf_runtime_lock_t pno_runtime_pm_lock;
289 	struct cb_handler pno_cb;
290 	struct nlo_mawc_params mawc_params;
291 	bool user_config_sched_scan_plan;
292 };
293 #endif
294 
295 #ifdef FEATURE_WLAN_EXTSCAN
296 /**
297  * struct extscan_def_config - def configuration for EXTSCAN
298  * @extscan_enabled: enable extscan
299  * @extscan_passive_max_chn_time: max passive channel time
300  * @extscan_passive_min_chn_time: min passive channel time
301  * @extscan_active_max_chn_time: max active channel time
302  * @extscan_active_min_chn_time: min active channel time
303  */
304 struct extscan_def_config {
305 	bool     extscan_enabled;
306 	uint32_t extscan_passive_max_chn_time;
307 	uint32_t extscan_passive_min_chn_time;
308 	uint32_t extscan_active_max_chn_time;
309 	uint32_t extscan_active_min_chn_time;
310 };
311 #endif
312 
313 /**
314  * struct scan_default_params - default scan parameters to be used
315  * @active_dwell: default active dwell time
316  * @allow_dfs_chan_in_first_scan: first scan should contain dfs channels or not.
317  * @allow_dfs_chan_in_scan: Scan DFS channels or not.
318  * @skip_dfs_chan_in_p2p_search: Skip DFS channels in p2p search.
319  * @use_wake_lock_in_user_scan: if wake lock will be acquired during user scan
320  * @active_dwell_2g: default active dwell time for 2G channels, if it's not zero
321  * @min_dwell_time_6g: default min dwell time for 6G channels
322  * @active_dwell_6g: default active dwell time for 6G channels
323  * @passive_dwell_6g: default passive dwell time for 6G channels
324  * @active_dwell_time_6g_conc: default concurrent active dwell time for 6G
325  * @passive_dwell_time_6g_conc: default concurrent passive dwell time for 6G
326  * @passive_dwell:default passive dwell time
327  * @max_rest_time: default max rest time
328  * @sta_miracast_mcc_rest_time: max rest time for miracast and mcc
329  * @min_rest_time: default min rest time
330  * @idle_time: default idle time
331  * @conc_active_dwell: default concurrent active dwell time
332  * @conc_passive_dwell: default concurrent passive dwell time
333  * @conc_max_rest_time: default concurrent max rest time
334  * @conc_min_rest_time: default concurrent min rest time
335  * @conc_idle_time: default concurrent idle time
336  * @conc_chlist_trim: enable to trim concurrent scan channel list
337  * @repeat_probe_time: default repeat probe time
338  * @probe_spacing_time: default probe spacing time
339  * @probe_delay: default probe delay
340  * @burst_duration: default burst duration
341  * @max_scan_time: default max scan time
342  * @num_probes: default maximum number of probes to sent
343  * @scan_cache_aging_time: default scan cache aging time
344  * @select_5ghz_margin: Prefer connecting to 5 GHz AP even if
345  *      its RSSI is lower by @select_5ghz_margin dbm than 2.4 GHz AP.
346  *      applicable if prefer_5ghz is set.
347  * @enable_mac_spoofing: enable mac address spoof in scan
348  * @usr_cfg_probe_rpt_time:
349  * @usr_cfg_num_probes:
350  * @max_bss_per_pdev: maximum number of bss entries to be maintained per pdev
351  * @max_active_scans_allowed: maximum number of active parallel scan allowed
352  *                            per psoc
353  * @sta_scan_burst_duration:
354  * @p2p_scan_burst_duration:
355  * @go_scan_burst_duration:
356  * @ap_scan_burst_duration:
357  * @scan_mode_6g: scan mode in 6 GHz
358  * @duty_cycle_6ghz: Enable optimization on 6 GHz channels for every full scan
359  *                   except the duty cycle. So that every nth scan(depending on
360  *                   duty cycle) is a full scan and rest are all optimized scans
361  * @enable_connected_scan: enable scans after connection
362  * @scan_priority: default scan priority
363  * @adaptive_dwell_time_mode: adaptive dwell mode with connection
364  * @adaptive_dwell_time_mode_nc: adaptive dwell mode without connection
365  * @honour_nl_scan_policy_flags: honour nl80211 scan policy flags
366  * @extscan_adaptive_dwell_mode: Adaptive dwell mode during ext scan
367  * @skip_6g_and_indoor_freq: skip 6 GHz and 5 GHz indoor freq channel for
368  * STA scan if hw is non-DBS and SAP is present
369  * @last_scan_ageout_time: use last full scan results for provided time in ms
370  * @scan_f_passive: passively scan all channels including active channels
371  * @scan_f_bcast_probe: add wild card ssid prbreq even if ssid_list is specified
372  * @scan_f_cck_rates: add cck rates to rates/xrates ie in prb req
373  * @scan_f_ofdm_rates: add ofdm rates to rates/xrates ie in prb req
374  * @scan_f_chan_stat_evnt: enable indication of chan load and noise floor
375  * @scan_f_filter_prb_req: filter Probe request frames
376  * @scan_f_bypass_dfs_chn: when set, do not scan DFS channels
377  * @scan_f_continue_on_err:continue scan even if few certain errors have occurred
378  * @scan_f_offchan_mgmt_tx: allow mgmt transmission during off channel scan
379  * @scan_f_offchan_data_tx: allow data transmission during off channel scan
380  * @scan_f_promisc_mode: scan with promiscuous mode
381  * @scan_f_capture_phy_err: enable capture ppdu with phy errors
382  * @scan_f_strict_passive_pch: do passive scan on passive channels
383  * @scan_f_half_rate: enable HALF (10MHz) rate support
384  * @scan_f_quarter_rate: set Quarter (5MHz) rate support
385  * @scan_f_force_active_dfs_chn: allow to send probe req on DFS channel
386  * @scan_f_add_tpc_ie_in_probe: add TPC ie in probe req frame
387  * @scan_f_add_ds_ie_in_probe: add DS ie in probe req frame
388  * @scan_f_add_spoofed_mac_in_probe: use random mac address for TA in probe
389  * @scan_f_add_rand_seq_in_probe: use random sequence number in probe
390  * @scan_f_en_ie_allowlist_in_probe: enable ie allowlist in probe
391  * @scan_f_forced: force scan even in presence of data traffic
392  * @scan_f_2ghz: scan 2.4 GHz channels
393  * @scan_f_5ghz: scan 5 GHz channels
394  * @scan_f_wide_band: scan in 40 MHz or higher bandwidth
395  * @scan_flags: variable to read and set scan_f_* flags in one shot
396  *              can be used to dump all scan_f_* flags for debug
397  * @scan_ev_started: notify scan started event
398  * @scan_ev_completed: notify scan completed event
399  * @scan_ev_bss_chan: notify bss chan event
400  * @scan_ev_foreign_chan: notify foreign chan event
401  * @scan_ev_dequeued: notify scan request dequeued event
402  * @scan_ev_preempted: notify scan preempted event
403  * @scan_ev_start_failed: notify scan start failed event
404  * @scan_ev_restarted: notify scan restarted event
405  * @scan_ev_foreign_chn_exit: notify foreign chan exit event
406  * @scan_ev_invalid: notify invalid scan request event
407  * @scan_ev_gpio_timeout: notify gpio timeout event
408  * @scan_ev_suspended: notify scan suspend event
409  * @scan_ev_resumed: notify scan resumed event
410  * @scan_events: variable to read and set scan_ev_* flags in one shot
411  *               can be used to dump all scan_ev_* flags for debug
412  */
413 struct scan_default_params {
414 	uint32_t active_dwell;
415 	bool allow_dfs_chan_in_first_scan;
416 	bool allow_dfs_chan_in_scan;
417 	bool skip_dfs_chan_in_p2p_search;
418 	bool use_wake_lock_in_user_scan;
419 	uint32_t active_dwell_2g;
420 	uint32_t min_dwell_time_6g;
421 	uint32_t active_dwell_6g;
422 	uint32_t passive_dwell_6g;
423 	uint32_t active_dwell_time_6g_conc;
424 	uint32_t passive_dwell_time_6g_conc;
425 	uint32_t passive_dwell;
426 	uint32_t max_rest_time;
427 	uint32_t sta_miracast_mcc_rest_time;
428 	uint32_t min_rest_time;
429 	uint32_t idle_time;
430 	uint32_t conc_active_dwell;
431 	uint32_t conc_passive_dwell;
432 	uint32_t conc_max_rest_time;
433 	uint32_t conc_min_rest_time;
434 	uint32_t conc_idle_time;
435 	bool conc_chlist_trim;
436 	uint32_t repeat_probe_time;
437 	uint32_t probe_spacing_time;
438 	uint32_t probe_delay;
439 	uint32_t burst_duration;
440 	uint32_t max_scan_time;
441 	uint32_t num_probes;
442 	qdf_time_t scan_cache_aging_time;
443 	uint32_t select_5ghz_margin;
444 	bool enable_mac_spoofing;
445 	uint32_t usr_cfg_probe_rpt_time;
446 	uint32_t usr_cfg_num_probes;
447 	uint16_t max_bss_per_pdev;
448 	uint32_t max_active_scans_allowed;
449 	uint8_t sta_scan_burst_duration;
450 	uint8_t p2p_scan_burst_duration;
451 	uint8_t go_scan_burst_duration;
452 	uint8_t ap_scan_burst_duration;
453 	enum scan_mode_6ghz scan_mode_6g;
454 	uint8_t duty_cycle_6ghz;
455 	bool enable_connected_scan;
456 	enum scan_priority scan_priority;
457 	enum scan_dwelltime_adaptive_mode adaptive_dwell_time_mode;
458 	enum scan_dwelltime_adaptive_mode adaptive_dwell_time_mode_nc;
459 	bool honour_nl_scan_policy_flags;
460 	enum scan_dwelltime_adaptive_mode extscan_adaptive_dwell_mode;
461 	bool skip_6g_and_indoor_freq;
462 	uint32_t last_scan_ageout_time;
463 	union {
464 		struct {
465 			uint32_t scan_f_passive:1,
466 				scan_f_bcast_probe:1,
467 				scan_f_cck_rates:1,
468 				scan_f_ofdm_rates:1,
469 				scan_f_chan_stat_evnt:1,
470 				scan_f_filter_prb_req:1,
471 				scan_f_bypass_dfs_chn:1,
472 				scan_f_continue_on_err:1,
473 				scan_f_offchan_mgmt_tx:1,
474 				scan_f_offchan_data_tx:1,
475 				scan_f_promisc_mode:1,
476 				scan_f_capture_phy_err:1,
477 				scan_f_strict_passive_pch:1,
478 				scan_f_half_rate:1,
479 				scan_f_quarter_rate:1,
480 				scan_f_force_active_dfs_chn:1,
481 				scan_f_add_tpc_ie_in_probe:1,
482 				scan_f_add_ds_ie_in_probe:1,
483 				scan_f_add_spoofed_mac_in_probe:1,
484 				scan_f_add_rand_seq_in_probe:1,
485 				scan_f_en_ie_allowlist_in_probe:1,
486 				scan_f_forced:1,
487 				scan_f_2ghz:1,
488 				scan_f_5ghz:1,
489 				scan_f_wide_band:1;
490 		};
491 		uint32_t scan_flags;
492 	};
493 	union {
494 		struct {
495 			uint32_t scan_ev_started:1,
496 				scan_ev_completed:1,
497 				scan_ev_bss_chan:1,
498 				scan_ev_foreign_chan:1,
499 				scan_ev_dequeued:1,
500 				scan_ev_preempted:1,
501 				scan_ev_start_failed:1,
502 				scan_ev_restarted:1,
503 				scan_ev_foreign_chn_exit:1,
504 				scan_ev_invalid:1,
505 				scan_ev_gpio_timeout:1,
506 				scan_ev_suspended:1,
507 				scan_ev_resumed:1;
508 		};
509 		uint32_t scan_events;
510 	};
511 };
512 
513 /**
514  * struct scan_cb - nif/sif function callbacks
515  * @inform_beacon: cb to indicate frame to OS
516  * @update_beacon: cb to indicate frame to MLME
517  * @unlink_bss: cb to unlink bss from kernel cache
518  * @inform_mbssid_bcn_prb_rsp: cb to indicate frames with mbssid
519  */
520 struct scan_cb {
521 	update_beacon_cb inform_beacon;
522 	update_beacon_cb update_beacon;
523 	update_beacon_cb unlink_bss;
524 	update_mbssid_bcn_prb_rsp inform_mbssid_bcn_prb_rsp;
525 	/* Define nif/sif function callbacks here */
526 };
527 
528 /**
529  * struct wlan_scan_obj - scan object definition
530  * @scan_disabled: if scan is disabled
531  * @scan_db:    scan cache data base
532  * @cc_db:      pointer of country code data base
533  * @lock:       spin lock
534  * @scan_def:   default scan parameters
535  * @cb:         nif/sif function callbacks
536  * @requesters: requester allocation pool
537  * @scan_ids:   last allocated scan id
538  * @global_evhandlers:  registered scan event handlers
539  * @pdev_info: pointer to pdev info
540  * @pno_cfg: default pno configuration
541  * @extscan_cfg: default extscan configuration
542  * @ie_allowlist: default ie allowlist attrs
543  * @bt_a2dp_enabled: if bt a2dp is enabled
544  * @miracast_enabled: miracast enabled
545  * @disable_timeout: command timeout disabled
546  * @drop_bcn_on_chan_mismatch: drop bcn if channel mismatch
547  * @obss_scan_offload: if obss scan offload is enabled
548  * @drop_bcn_on_invalid_freq: drop bcn if freq is invalid in IEs (DS/HT/HE)
549  * @scan_start_request_buff: buffer used to pass
550  *      scan config to event handlers
551  * @rnr_channel_db: RNR channel list database
552  * @scan_listener_cb_exe_dur:
553  * @scm_scan_event_duration:
554  * @scm_scan_to_post_scan_duration:
555  * @duty_cycle_cnt_6ghz: Scan count to track the full scans and decide whether
556  *                        to optimizate 6g channels in the scan request based
557  *                        on the ini scan_mode_6ghz_duty_cycle.
558  * @allow_bss_with_incomplete_ie: Continue scan entry even if any corrupted
559  *                                IEs are present.
560  * @aux_mac_support: advertise aux mac support from FW
561  */
562 struct wlan_scan_obj {
563 	uint32_t scan_disabled;
564 	qdf_spinlock_t lock;
565 	qdf_atomic_t scan_ids;
566 	struct scan_dbs scan_db[WLAN_UMAC_MAX_PDEVS];
567 	struct scan_country_code_db *cc_db;
568 	struct scan_default_params scan_def;
569 	struct scan_cb cb;
570 	struct scan_requester_info requesters[WLAN_MAX_REQUESTORS];
571 	struct global_scan_ev_handlers global_evhandlers;
572 	struct pdev_scan_info pdev_info[WLAN_UMAC_MAX_PDEVS];
573 #ifdef FEATURE_WLAN_SCAN_PNO
574 	struct pno_def_config pno_cfg;
575 #endif
576 #ifdef FEATURE_WLAN_EXTSCAN
577 	struct extscan_def_config extscan_cfg;
578 #endif
579 	struct probe_req_allowlist_attr ie_allowlist;
580 	bool bt_a2dp_enabled;
581 	bool miracast_enabled;
582 	bool disable_timeout;
583 	bool drop_bcn_on_chan_mismatch;
584 	bool drop_bcn_on_invalid_freq;
585 	bool obss_scan_offload;
586 	struct scan_start_request scan_start_request_buff;
587 #ifdef FEATURE_6G_SCAN_CHAN_SORT_ALGO
588 	struct channel_list_db rnr_channel_db;
589 #endif
590 #ifdef ENABLE_SCAN_PROFILE
591 	uint64_t scan_listener_cb_exe_dur[MAX_SCAN_EVENT_LISTENERS];
592 	uint64_t scm_scan_event_duration;
593 	uint64_t scm_scan_to_post_scan_duration;
594 #endif
595 	uint16_t duty_cycle_cnt_6ghz;
596 	bool allow_bss_with_incomplete_ie;
597 	bool aux_mac_support;
598 };
599 
600 #ifdef ENABLE_SCAN_PROFILE
601 static inline
scm_duration_init(struct wlan_scan_obj * scan)602 void scm_duration_init(struct wlan_scan_obj *scan)
603 {
604 	if (!scan)
605 		return;
606 
607 	scan->scm_scan_event_duration = 0;
608 	scan->scm_scan_to_post_scan_duration = 0;
609 }
610 
611 static inline
scm_event_duration_start(struct wlan_scan_obj * scan)612 void scm_event_duration_start(struct wlan_scan_obj *scan)
613 {
614 	if (!scan)
615 		return;
616 
617 	scan->scm_scan_event_duration =
618 		qdf_ktime_to_ms(qdf_ktime_get());
619 }
620 
621 static inline
scm_event_duration_end(struct wlan_scan_obj * scan)622 void scm_event_duration_end(struct wlan_scan_obj *scan)
623 {
624 	if (!scan)
625 		return;
626 
627 	scan->scm_scan_event_duration =
628 		(qdf_ktime_to_ms(qdf_ktime_get()) -
629 		 scan->scm_scan_event_duration);
630 }
631 
632 static inline
scm_to_post_scan_duration_set(struct wlan_scan_obj * scan)633 void scm_to_post_scan_duration_set(struct wlan_scan_obj *scan)
634 {
635 	if (!scan)
636 		return;
637 
638 	scan->scm_scan_to_post_scan_duration =
639 		(qdf_ktime_to_ms(qdf_ktime_get()) -
640 		 scan->scm_scan_event_duration);
641 }
642 
643 static inline
scm_listener_cb_exe_dur_start(struct wlan_scan_obj * scan,uint8_t index)644 void scm_listener_cb_exe_dur_start(struct wlan_scan_obj *scan, uint8_t index)
645 {
646 	if (!scan || (index >= MAX_SCAN_EVENT_LISTENERS))
647 		return;
648 
649 	scan->scan_listener_cb_exe_dur[index] =
650 		qdf_ktime_to_ms(qdf_ktime_get());
651 }
652 
653 static inline
scm_listener_cb_exe_dur_end(struct wlan_scan_obj * scan,uint8_t index)654 void scm_listener_cb_exe_dur_end(struct wlan_scan_obj *scan, uint8_t index)
655 {
656 	if (!scan || (index >= MAX_SCAN_EVENT_LISTENERS))
657 		return;
658 
659 	scan->scan_listener_cb_exe_dur[index] =
660 		(qdf_ktime_to_ms(qdf_ktime_get()) -
661 		 scan->scan_listener_cb_exe_dur[index]);
662 }
663 
664 static inline
scm_listener_duration_init(struct wlan_scan_obj * scan)665 void scm_listener_duration_init(struct wlan_scan_obj *scan)
666 {
667 	if (!scan)
668 		return;
669 
670 	qdf_mem_set(&scan->scan_listener_cb_exe_dur,
671 		    sizeof(uint64_t) * MAX_SCAN_EVENT_LISTENERS,
672 		    0);
673 }
674 #else
675 static inline
scm_duration_init(struct wlan_scan_obj * scan)676 void scm_duration_init(struct wlan_scan_obj *scan)
677 {
678 }
679 
680 static inline
scm_event_duration_start(struct wlan_scan_obj * scan)681 void scm_event_duration_start(struct wlan_scan_obj *scan)
682 {
683 }
684 
685 static inline
scm_event_duration_end(struct wlan_scan_obj * scan)686 void scm_event_duration_end(struct wlan_scan_obj *scan)
687 {
688 }
689 
690 static inline
scm_to_post_scan_duration_set(struct wlan_scan_obj * scan)691 void scm_to_post_scan_duration_set(struct wlan_scan_obj *scan)
692 {
693 }
694 
695 static inline
scm_listener_cb_exe_dur_start(struct wlan_scan_obj * scan,uint8_t index)696 void scm_listener_cb_exe_dur_start(struct wlan_scan_obj *scan, uint8_t index)
697 {
698 }
699 
700 static inline
scm_listener_cb_exe_dur_end(struct wlan_scan_obj * scan,uint8_t index)701 void scm_listener_cb_exe_dur_end(struct wlan_scan_obj *scan, uint8_t index)
702 {
703 }
704 
705 static inline
scm_listener_duration_init(struct wlan_scan_obj * scan)706 void scm_listener_duration_init(struct wlan_scan_obj *scan)
707 {
708 }
709 #endif
710 
711 /**
712  * wlan_psoc_get_scan_obj() - private API to get scan object from psoc
713  * @psoc: psoc object
714  *
715  * Return: scan object
716  */
717 #define wlan_psoc_get_scan_obj(psoc) \
718 	wlan_psoc_get_scan_obj_fl(psoc, \
719 				  __func__, __LINE__)
720 
721 static inline struct wlan_scan_obj *
wlan_psoc_get_scan_obj_fl(struct wlan_objmgr_psoc * psoc,const char * func,uint32_t line)722 wlan_psoc_get_scan_obj_fl(struct wlan_objmgr_psoc *psoc,
723 			  const char *func, uint32_t line)
724 {
725 	struct wlan_scan_obj *scan_obj;
726 
727 	scan_obj = (struct wlan_scan_obj *)
728 		wlan_objmgr_psoc_get_comp_private_obj(psoc,
729 				WLAN_UMAC_COMP_SCAN);
730 	if (!scan_obj) {
731 		scm_err("%s:%u, Failed to get scan object", func, line);
732 		return NULL;
733 	}
734 	return scan_obj;
735 }
736 
737 /**
738  * wlan_pdev_get_scan_obj() - private API to get scan object from pdev
739  * @pdev: pdev object
740  *
741  * Return: scan object
742  */
743 static inline struct wlan_scan_obj *
wlan_pdev_get_scan_obj(struct wlan_objmgr_pdev * pdev)744 wlan_pdev_get_scan_obj(struct wlan_objmgr_pdev *pdev)
745 {
746 	struct wlan_objmgr_psoc *psoc;
747 
748 	psoc = wlan_pdev_get_psoc(pdev);
749 
750 	return wlan_psoc_get_scan_obj(psoc);
751 }
752 
753 /**
754  * wlan_vdev_get_scan_obj() - private API to get scan object from vdev
755  * @vdev: vdev object
756  *
757  * Return: scan object
758  */
759 static inline struct wlan_scan_obj *
wlan_vdev_get_scan_obj(struct wlan_objmgr_vdev * vdev)760 wlan_vdev_get_scan_obj(struct wlan_objmgr_vdev *vdev)
761 {
762 	struct wlan_objmgr_pdev *pdev;
763 
764 	pdev = wlan_vdev_get_pdev(vdev);
765 
766 	return wlan_pdev_get_scan_obj(pdev);
767 }
768 
769 /**
770  * wlan_get_vdev_scan_obj() - private API to get scan object vdev
771  * @vdev: vdev object
772  *
773  * Return: scan object
774  */
775 static inline struct scan_vdev_obj *
wlan_get_vdev_scan_obj(struct wlan_objmgr_vdev * vdev)776 wlan_get_vdev_scan_obj(struct wlan_objmgr_vdev *vdev)
777 {
778 	struct scan_vdev_obj *scan_vdev_obj;
779 
780 	scan_vdev_obj = (struct scan_vdev_obj *)
781 		wlan_objmgr_vdev_get_comp_private_obj(vdev,
782 				WLAN_UMAC_COMP_SCAN);
783 
784 	return scan_vdev_obj;
785 }
786 
787 /**
788  * wlan_scan_vdev_get_pdev_id() - private API to get pdev id from vdev object
789  * @vdev: vdev object
790  *
791  * Return: parent pdev id
792  */
793 static inline uint8_t
wlan_scan_vdev_get_pdev_id(struct wlan_objmgr_vdev * vdev)794 wlan_scan_vdev_get_pdev_id(struct wlan_objmgr_vdev *vdev)
795 {
796 	struct wlan_objmgr_pdev *pdev;
797 
798 	pdev = wlan_vdev_get_pdev(vdev);
799 
800 	return wlan_objmgr_pdev_get_pdev_id(pdev);
801 }
802 
803 /**
804  * wlan_pdev_get_pdev_scan_ev_handlers() - private API to get
805  * pdev scan event handlers
806  * @pdev: pdev object
807  *
808  * Return: pdev_scan_ev_handler object
809  */
810 static inline struct pdev_scan_ev_handler*
wlan_pdev_get_pdev_scan_ev_handlers(struct wlan_objmgr_pdev * pdev)811 wlan_pdev_get_pdev_scan_ev_handlers(struct wlan_objmgr_pdev *pdev)
812 {
813 	uint8_t pdevid;
814 	struct wlan_scan_obj *scan = NULL;
815 
816 	if (!pdev)
817 		goto err;
818 
819 	pdevid = wlan_objmgr_pdev_get_pdev_id(pdev);
820 	scan = wlan_pdev_get_scan_obj(pdev);
821 	if (!scan)
822 		goto err;
823 
824 	return &scan->global_evhandlers.pdev_ev_handlers[pdevid];
825 
826 err:
827 	scm_err("NULL pointer, pdev: 0x%pK, scan_obj: 0x%pK",
828 		pdev, scan);
829 	return NULL;
830 }
831 
832 /**
833  * wlan_vdev_get_pdev_scan_ev_handlers() - private API to get
834  * pdev scan event handlers
835  * @vdev: vdev object
836  *
837  * Return: pdev_scan_ev_handler object
838  */
839 static inline struct pdev_scan_ev_handler*
wlan_vdev_get_pdev_scan_ev_handlers(struct wlan_objmgr_vdev * vdev)840 wlan_vdev_get_pdev_scan_ev_handlers(struct wlan_objmgr_vdev *vdev)
841 {
842 	struct wlan_objmgr_pdev *pdev;
843 
844 	pdev = wlan_vdev_get_pdev(vdev);
845 
846 	return wlan_pdev_get_pdev_scan_ev_handlers(pdev);
847 }
848 
849 /**
850  * wlan_scan_psoc_get_def_params() - private API to get scan defaults
851  * @psoc: psoc object
852  *
853  * Return: scan defaults
854  */
855 static inline struct scan_default_params*
wlan_scan_psoc_get_def_params(struct wlan_objmgr_psoc * psoc)856 wlan_scan_psoc_get_def_params(struct wlan_objmgr_psoc *psoc)
857 {
858 	struct wlan_scan_obj *scan = NULL;
859 
860 	if (!psoc) {
861 		scm_err("null psoc");
862 		return NULL;
863 	}
864 	scan = wlan_psoc_get_scan_obj(psoc);
865 
866 	if (!scan)
867 		return NULL;
868 
869 	return &scan->scan_def;
870 }
871 
872 /**
873  * wlan_vdev_get_def_scan_params() - private API to get scan defaults
874  * @vdev: vdev object
875  *
876  * Return: scan defaults
877  */
878 static inline struct scan_default_params*
wlan_vdev_get_def_scan_params(struct wlan_objmgr_vdev * vdev)879 wlan_vdev_get_def_scan_params(struct wlan_objmgr_vdev *vdev)
880 {
881 	struct wlan_objmgr_psoc *psoc = NULL;
882 
883 	if (!vdev) {
884 		scm_err("null vdev");
885 		return NULL;
886 	}
887 	psoc = wlan_vdev_get_psoc(vdev);
888 
889 	return wlan_scan_psoc_get_def_params(psoc);
890 }
891 
892 /**
893  * wlan_scan_psoc_set_disable() - private API to disable scans for psoc
894  * @psoc: psoc on which scans need to be disabled
895  * @reason: reason for enable/disabled
896  *
897  * Return: QDF_STATUS.
898  */
899 static inline QDF_STATUS
wlan_scan_psoc_set_disable(struct wlan_objmgr_psoc * psoc,enum scan_disable_reason reason)900 wlan_scan_psoc_set_disable(struct wlan_objmgr_psoc *psoc,
901 			   enum scan_disable_reason reason)
902 {
903 	struct wlan_scan_obj *scan_obj;
904 
905 	scan_obj = wlan_psoc_get_scan_obj(psoc);
906 	if (!scan_obj) {
907 		scm_err("Failed to get scan object");
908 		return QDF_STATUS_E_NULL_VALUE;
909 	}
910 
911 	scan_obj->scan_disabled |= reason;
912 
913 	scm_debug("Psoc scan_disabled %x", scan_obj->scan_disabled);
914 
915 	return QDF_STATUS_SUCCESS;
916 }
917 
918 static inline QDF_STATUS
wlan_scan_psoc_set_enable(struct wlan_objmgr_psoc * psoc,enum scan_disable_reason reason)919 wlan_scan_psoc_set_enable(struct wlan_objmgr_psoc *psoc,
920 			  enum scan_disable_reason reason)
921 {
922 	struct wlan_scan_obj *scan_obj;
923 
924 	scan_obj = wlan_psoc_get_scan_obj(psoc);
925 	if (!scan_obj) {
926 		scm_err("Failed to get scan object");
927 		return QDF_STATUS_E_NULL_VALUE;
928 	}
929 
930 	scan_obj->scan_disabled &= ~reason;
931 	scm_debug("Psoc scan_disabled %x", scan_obj->scan_disabled);
932 
933 	return QDF_STATUS_SUCCESS;
934 }
935 
936 /**
937  * wlan_scan_psoc_created_notification() - scan psoc create handler
938  * @psoc: psoc object
939  * @arg_list: Argument list
940  *
941  * Return: QDF_STATUS
942  */
943 QDF_STATUS wlan_scan_psoc_created_notification(struct wlan_objmgr_psoc *psoc,
944 	void *arg_list);
945 
946 /**
947  * wlan_scan_psoc_destroyed_notification() - scan psoc delete handler
948  * @psoc: psoc object
949  * @arg_list: Argument list
950  *
951  * Return: QDF_STATUS
952  */
953 QDF_STATUS wlan_scan_psoc_destroyed_notification(struct wlan_objmgr_psoc *psoc,
954 	void *arg_list);
955 
956 /**
957  * wlan_scan_vdev_created_notification() - scan psoc create handler
958  * @vdev: vdev object
959  * @arg_list: Argument list
960  *
961  * Return: QDF_STATUS
962  */
963 QDF_STATUS wlan_scan_vdev_created_notification(struct wlan_objmgr_vdev *vdev,
964 	void *arg_list);
965 
966 /**
967  * wlan_scan_vdev_destroyed_notification() - scan psoc delete handler
968  * @vdev: vdev object
969  * @arg_list: Argument list
970  *
971  * Return: QDF_STATUS
972  */
973 QDF_STATUS wlan_scan_vdev_destroyed_notification(struct wlan_objmgr_vdev *vdev,
974 	void *arg_list);
975 
976 #endif
977