xref: /wlan-dirver/qca-wifi-host-cmn/umac/regulatory/core/src/reg_utils.c (revision 97f44cd39e4ff816eaa1710279d28cf6b9e65ad9)
1 /*
2  * Copyright (c) 2014-2020 The Linux Foundation. All rights reserved.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for
5  * any purpose with or without fee is hereby granted, provided that the
6  * above copyright notice and this permission notice appear in all
7  * copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16  * PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 /**
20  * DOC: reg_utils.c
21  * This file defines the APIs to set and get the regulatory variables.
22  */
23 
24 #include <wlan_cmn.h>
25 #include <reg_services_public_struct.h>
26 #include <wlan_objmgr_psoc_obj.h>
27 #include <wlan_objmgr_pdev_obj.h>
28 #include "reg_priv_objs.h"
29 #include "reg_utils.h"
30 #include "reg_callbacks.h"
31 #include "reg_db.h"
32 #include "reg_db_parser.h"
33 #include "reg_host_11d.h"
34 #include <scheduler_api.h>
35 #include <wlan_reg_services_api.h>
36 #include <qdf_platform.h>
37 #include "reg_services_common.h"
38 #include "reg_build_chan_list.h"
39 
40 #define DEFAULT_WORLD_REGDMN 0x60
41 
42 #define IS_VALID_PSOC_REG_OBJ(psoc_priv_obj) (psoc_priv_obj)
43 #define IS_VALID_PDEV_REG_OBJ(pdev_priv_obj) (pdev_priv_obj)
44 
45 #ifdef CONFIG_CHAN_NUM_API
46 bool reg_chan_has_dfs_attribute(struct wlan_objmgr_pdev *pdev, uint8_t ch)
47 {
48 	enum channel_enum ch_idx;
49 	struct wlan_regulatory_pdev_priv_obj *pdev_priv_obj;
50 
51 	ch_idx = reg_get_chan_enum(ch);
52 
53 	if (ch_idx == INVALID_CHANNEL)
54 		return false;
55 
56 	pdev_priv_obj = reg_get_pdev_obj(pdev);
57 
58 	if (!IS_VALID_PDEV_REG_OBJ(pdev_priv_obj)) {
59 		reg_err("pdev reg obj is NULL");
60 		return false;
61 	}
62 
63 	if (pdev_priv_obj->cur_chan_list[ch_idx].chan_flags &
64 	    REGULATORY_CHAN_RADAR)
65 		return true;
66 
67 	return false;
68 }
69 #endif /* CONFIG_CHAN_NUM_API */
70 
71 #ifdef CONFIG_CHAN_FREQ_API
72 bool reg_chan_has_dfs_attribute_for_freq(struct wlan_objmgr_pdev *pdev,
73 					 qdf_freq_t freq)
74 {
75 	enum channel_enum ch_idx;
76 	struct wlan_regulatory_pdev_priv_obj *pdev_priv_obj;
77 
78 	ch_idx = reg_get_chan_enum_for_freq(freq);
79 
80 	if (ch_idx == INVALID_CHANNEL)
81 		return false;
82 
83 	pdev_priv_obj = reg_get_pdev_obj(pdev);
84 
85 	if (!IS_VALID_PDEV_REG_OBJ(pdev_priv_obj)) {
86 		reg_err("pdev reg obj is NULL");
87 		return false;
88 	}
89 
90 	if (pdev_priv_obj->cur_chan_list[ch_idx].chan_flags &
91 	    REGULATORY_CHAN_RADAR)
92 		return true;
93 
94 	return false;
95 }
96 #endif /* CONFIG_CHAN_FREQ_API */
97 
98 bool reg_is_world_ctry_code(uint16_t ctry_code)
99 {
100 	if ((ctry_code & 0xFFF0) == DEFAULT_WORLD_REGDMN)
101 		return true;
102 
103 	return false;
104 }
105 
106 QDF_STATUS reg_read_current_country(struct wlan_objmgr_psoc *psoc,
107 				    uint8_t *country_code)
108 {
109 	struct wlan_regulatory_psoc_priv_obj *psoc_reg;
110 
111 	if (!country_code) {
112 		reg_err("country_code is NULL");
113 		return QDF_STATUS_E_INVAL;
114 	}
115 
116 	psoc_reg = reg_get_psoc_obj(psoc);
117 	if (!IS_VALID_PSOC_REG_OBJ(psoc_reg)) {
118 		reg_err("psoc reg component is NULL");
119 		return QDF_STATUS_E_INVAL;
120 	}
121 
122 	qdf_mem_copy(country_code, psoc_reg->cur_country, REG_ALPHA2_LEN + 1);
123 
124 	return QDF_STATUS_SUCCESS;
125 }
126 
127 /**
128  * reg_set_default_country() - Read the default country for the regdomain
129  * @country: country code.
130  *
131  * Return: QDF_STATUS
132  */
133 QDF_STATUS reg_set_default_country(struct wlan_objmgr_psoc *psoc,
134 				   uint8_t *country)
135 {
136 	struct wlan_regulatory_psoc_priv_obj *psoc_reg;
137 
138 	if (!country) {
139 		reg_err("country is NULL");
140 		return QDF_STATUS_E_INVAL;
141 	}
142 
143 	psoc_reg = reg_get_psoc_obj(psoc);
144 	if (!IS_VALID_PSOC_REG_OBJ(psoc_reg)) {
145 		reg_err("psoc reg component is NULL");
146 		return QDF_STATUS_E_INVAL;
147 	}
148 
149 	reg_info("set default_country: %s", country);
150 
151 	qdf_mem_copy(psoc_reg->def_country, country, REG_ALPHA2_LEN + 1);
152 
153 	return QDF_STATUS_SUCCESS;
154 }
155 
156 bool reg_is_world_alpha2(uint8_t *alpha2)
157 {
158 	if ((alpha2[0] == '0') && (alpha2[1] == '0'))
159 		return true;
160 
161 	return false;
162 }
163 
164 bool reg_is_us_alpha2(uint8_t *alpha2)
165 {
166 	if ((alpha2[0] == 'U') && (alpha2[1] == 'S'))
167 		return true;
168 
169 	return false;
170 }
171 
172 QDF_STATUS reg_set_country(struct wlan_objmgr_pdev *pdev,
173 			   uint8_t *country)
174 {
175 	struct wlan_regulatory_psoc_priv_obj *psoc_reg;
176 	struct wlan_regulatory_pdev_priv_obj *pdev_priv_obj;
177 	struct wlan_lmac_if_reg_tx_ops *tx_ops;
178 	struct set_country cc;
179 	struct wlan_objmgr_psoc *psoc;
180 	struct cc_regdmn_s rd;
181 	uint8_t pdev_id;
182 	uint8_t phy_id;
183 
184 	if (!pdev) {
185 		reg_err("pdev is NULL");
186 		return QDF_STATUS_E_INVAL;
187 	}
188 
189 	if (!country) {
190 		reg_err("country code is NULL");
191 		return QDF_STATUS_E_INVAL;
192 	}
193 
194 	pdev_id = wlan_objmgr_pdev_get_pdev_id(pdev);
195 
196 	psoc = wlan_pdev_get_psoc(pdev);
197 
198 	tx_ops = reg_get_psoc_tx_ops(psoc);
199 	if (tx_ops->get_phy_id_from_pdev_id)
200 		tx_ops->get_phy_id_from_pdev_id(psoc, pdev_id, &phy_id);
201 	else
202 		phy_id = pdev_id;
203 
204 	psoc_reg = reg_get_psoc_obj(psoc);
205 	if (!IS_VALID_PSOC_REG_OBJ(psoc_reg)) {
206 		reg_err("psoc reg component is NULL");
207 		return QDF_STATUS_E_INVAL;
208 	}
209 
210 	if (!qdf_mem_cmp(psoc_reg->cur_country, country, REG_ALPHA2_LEN)) {
211 		if (psoc_reg->cc_src == SOURCE_USERSPACE ||
212 		    psoc_reg->cc_src == SOURCE_CORE) {
213 			reg_debug("country is not different");
214 			return QDF_STATUS_SUCCESS;
215 		}
216 	}
217 
218 	reg_debug("programming new country: %s to firmware", country);
219 
220 	qdf_mem_copy(cc.country, country, REG_ALPHA2_LEN + 1);
221 	cc.pdev_id = pdev_id;
222 
223 	if (!psoc_reg->offload_enabled && !reg_is_world_alpha2(country)) {
224 		QDF_STATUS status;
225 
226 		status = reg_is_country_code_valid(country);
227 		if (!QDF_IS_STATUS_SUCCESS(status)) {
228 			reg_err("Unable to set country code: %s\n", country);
229 			reg_err("Restoring to world domain");
230 			qdf_mem_copy(cc.country, REG_WORLD_ALPHA2,
231 				     REG_ALPHA2_LEN + 1);
232 		}
233 	}
234 
235 
236 	if (reg_is_world_alpha2(cc.country))
237 		psoc_reg->world_country_pending[phy_id] = true;
238 	else
239 		psoc_reg->new_user_ctry_pending[phy_id] = true;
240 
241 	if (psoc_reg->offload_enabled) {
242 		tx_ops = reg_get_psoc_tx_ops(psoc);
243 		if (tx_ops->set_country_code) {
244 			tx_ops->set_country_code(psoc, &cc);
245 		} else {
246 			reg_err("country set fw handler not present");
247 			psoc_reg->new_user_ctry_pending[phy_id] = false;
248 			return QDF_STATUS_E_FAULT;
249 		}
250 	} else {
251 		if (reg_is_world_alpha2(cc.country)) {
252 			pdev_priv_obj = reg_get_pdev_obj(pdev);
253 			if (!IS_VALID_PDEV_REG_OBJ(pdev_priv_obj)) {
254 				reg_err("reg component pdev priv is NULL");
255 				psoc_reg->world_country_pending[phy_id] =
256 									false;
257 				return QDF_STATUS_E_INVAL;
258 			}
259 			if (reg_is_world_ctry_code(
260 				    pdev_priv_obj->def_region_domain))
261 				rd.cc.regdmn.reg_2g_5g_pair_id =
262 					pdev_priv_obj->def_region_domain;
263 			else
264 				rd.cc.regdmn.reg_2g_5g_pair_id =
265 							DEFAULT_WORLD_REGDMN;
266 			rd.flags = REGDMN_IS_SET;
267 		} else {
268 			qdf_mem_copy(rd.cc.alpha, cc.country,
269 				     REG_ALPHA2_LEN + 1);
270 			rd.flags = ALPHA_IS_SET;
271 		}
272 
273 		reg_program_chan_list(pdev, &rd);
274 	}
275 
276 	return QDF_STATUS_SUCCESS;
277 }
278 
279 QDF_STATUS reg_reset_country(struct wlan_objmgr_psoc *psoc)
280 {
281 	struct wlan_regulatory_psoc_priv_obj *psoc_reg;
282 
283 	psoc_reg = reg_get_psoc_obj(psoc);
284 	if (!IS_VALID_PSOC_REG_OBJ(psoc_reg)) {
285 		reg_err("psoc reg component is NULL");
286 		return QDF_STATUS_E_INVAL;
287 	}
288 
289 	qdf_mem_copy(psoc_reg->cur_country,
290 		     psoc_reg->def_country,
291 		     REG_ALPHA2_LEN + 1);
292 	reg_debug("set cur_country %.2s", psoc_reg->cur_country);
293 
294 	return QDF_STATUS_SUCCESS;
295 }
296 
297 QDF_STATUS reg_get_domain_from_country_code(v_REGDOMAIN_t *reg_domain_ptr,
298 					    const uint8_t *country_alpha2,
299 					    enum country_src source)
300 {
301 	if (!reg_domain_ptr) {
302 		reg_err("Invalid reg domain pointer");
303 		return QDF_STATUS_E_FAULT;
304 	}
305 
306 	*reg_domain_ptr = 0;
307 
308 	if (!country_alpha2) {
309 		reg_err("Country code is NULL");
310 		return QDF_STATUS_E_FAULT;
311 	}
312 
313 	return QDF_STATUS_SUCCESS;
314 }
315 
316 #ifdef CONFIG_CHAN_NUM_API
317 bool reg_is_passive_or_disable_ch(struct wlan_objmgr_pdev *pdev,
318 				  uint8_t chan)
319 {
320 	enum channel_state ch_state;
321 
322 	ch_state = reg_get_channel_state(pdev, chan);
323 
324 	return (ch_state == CHANNEL_STATE_DFS) ||
325 		(ch_state == CHANNEL_STATE_DISABLE);
326 }
327 #endif /* CONFIG_CHAN_NUM_API */
328 
329 #ifdef CONFIG_CHAN_FREQ_API
330 bool reg_is_passive_or_disable_for_freq(struct wlan_objmgr_pdev *pdev,
331 					qdf_freq_t freq)
332 {
333 	enum channel_state chan_state;
334 
335 	chan_state = reg_get_channel_state_for_freq(pdev, freq);
336 
337 	return (chan_state == CHANNEL_STATE_DFS) ||
338 		(chan_state == CHANNEL_STATE_DISABLE);
339 }
340 #endif /* CONFIG_CHAN_FREQ_API */
341 
342 #ifdef WLAN_FEATURE_DSRC
343 #ifdef CONFIG_CHAN_FREQ_API
344 bool reg_is_dsrc_freq(qdf_freq_t freq)
345 {
346 	if (!REG_IS_5GHZ_FREQ(freq))
347 		return false;
348 
349 	if (!(freq >= REG_DSRC_START_FREQ && freq <= REG_DSRC_END_FREQ))
350 		return false;
351 
352 	return true;
353 }
354 #endif  /*CONFIG_CHAN_FREQ_API*/
355 
356 #ifdef CONFIG_CHAN_NUM_API
357 bool reg_is_dsrc_chan(struct wlan_objmgr_pdev *pdev, uint8_t chan)
358 {
359 	struct wlan_regulatory_pdev_priv_obj *pdev_priv_obj;
360 	qdf_freq_t freq = 0;
361 
362 	pdev_priv_obj = reg_get_pdev_obj(pdev);
363 
364 	if (!IS_VALID_PDEV_REG_OBJ(pdev_priv_obj)) {
365 		reg_err("reg pdev priv obj is NULL");
366 		return false;
367 	}
368 
369 	if (!REG_IS_5GHZ_CH(chan))
370 		return false;
371 
372 	freq = reg_chan_to_freq(pdev, chan);
373 
374 	if (!(freq >= REG_DSRC_START_FREQ && freq <= REG_DSRC_END_FREQ))
375 		return false;
376 
377 	return true;
378 }
379 #endif /* CONFIG_CHAN_NUM_API */
380 
381 #else
382 
383 bool reg_is_etsi13_regdmn(struct wlan_objmgr_pdev *pdev)
384 {
385 	struct cur_regdmn_info cur_reg_dmn;
386 	QDF_STATUS status;
387 
388 	status = reg_get_curr_regdomain(pdev, &cur_reg_dmn);
389 	if (status != QDF_STATUS_SUCCESS) {
390 		reg_debug_rl("Failed to get reg domain");
391 		return false;
392 	}
393 
394 	return reg_etsi13_regdmn(cur_reg_dmn.dmn_id_5g);
395 }
396 
397 #ifdef CONFIG_CHAN_FREQ_API
398 bool reg_is_etsi13_srd_chan_for_freq(struct wlan_objmgr_pdev *pdev,
399 				     uint16_t freq)
400 {
401 	if (!REG_IS_5GHZ_FREQ(freq))
402 		return false;
403 
404 	if (!(freq >= REG_ETSI13_SRD_START_FREQ &&
405 	      freq <= REG_ETSI13_SRD_END_FREQ))
406 		return false;
407 
408 	return reg_is_etsi13_regdmn(pdev);
409 }
410 #endif /* CONFIG_CHAN_FREQ_API */
411 
412 #ifdef CONFIG_CHAN_NUM_API
413 bool reg_is_etsi13_srd_chan(struct wlan_objmgr_pdev *pdev, uint8_t chan)
414 {
415 	struct wlan_regulatory_pdev_priv_obj *pdev_priv_obj;
416 	qdf_freq_t freq = 0;
417 
418 	pdev_priv_obj = reg_get_pdev_obj(pdev);
419 
420 	if (!IS_VALID_PDEV_REG_OBJ(pdev_priv_obj)) {
421 		reg_err("reg pdev priv obj is NULL");
422 		return false;
423 	}
424 
425 	if (!REG_IS_5GHZ_CH(chan))
426 		return false;
427 
428 	freq = reg_chan_to_freq(pdev, chan);
429 
430 	if (!(freq >= REG_ETSI13_SRD_START_FREQ &&
431 	      freq <= REG_ETSI13_SRD_END_FREQ))
432 		return false;
433 
434 	return reg_is_etsi13_regdmn(pdev);
435 }
436 #endif /* CONFIG_CHAN_NUM_API */
437 
438 bool reg_is_etsi13_srd_chan_allowed_master_mode(struct wlan_objmgr_pdev *pdev)
439 {
440 	struct wlan_objmgr_psoc *psoc;
441 	struct wlan_regulatory_psoc_priv_obj *psoc_priv_obj;
442 
443 	if (!pdev) {
444 		reg_alert("pdev is NULL");
445 		return true;
446 	}
447 	psoc = wlan_pdev_get_psoc(pdev);
448 
449 	psoc_priv_obj = reg_get_psoc_obj(psoc);
450 	if (!IS_VALID_PSOC_REG_OBJ(psoc_priv_obj)) {
451 		reg_alert("psoc reg component is NULL");
452 		return true;
453 	}
454 
455 	return psoc_priv_obj->enable_srd_chan_in_master_mode &&
456 	       reg_is_etsi13_regdmn(pdev);
457 }
458 #endif
459 
460 QDF_STATUS reg_set_band(struct wlan_objmgr_pdev *pdev, uint32_t band_bitmap)
461 {
462 	struct wlan_regulatory_psoc_priv_obj *psoc_priv_obj;
463 	struct wlan_regulatory_pdev_priv_obj *pdev_priv_obj;
464 	struct wlan_objmgr_psoc *psoc;
465 	QDF_STATUS status;
466 
467 	pdev_priv_obj = reg_get_pdev_obj(pdev);
468 
469 	if (!IS_VALID_PDEV_REG_OBJ(pdev_priv_obj)) {
470 		reg_err("pdev reg component is NULL");
471 		return QDF_STATUS_E_INVAL;
472 	}
473 
474 	if (pdev_priv_obj->band_capability == band_bitmap) {
475 		reg_info("same band %d", band_bitmap);
476 		return QDF_STATUS_SUCCESS;
477 	}
478 
479 	psoc = wlan_pdev_get_psoc(pdev);
480 	if (!psoc) {
481 		reg_err("psoc is NULL");
482 		return QDF_STATUS_E_INVAL;
483 	}
484 
485 	psoc_priv_obj = reg_get_psoc_obj(psoc);
486 	if (!IS_VALID_PSOC_REG_OBJ(psoc_priv_obj)) {
487 		reg_err("psoc reg component is NULL");
488 		return QDF_STATUS_E_INVAL;
489 	}
490 
491 	reg_info("set band bitmap: %d", band_bitmap);
492 	pdev_priv_obj->band_capability = band_bitmap;
493 
494 	reg_compute_pdev_current_chan_list(pdev_priv_obj);
495 
496 	status = reg_send_scheduler_msg_sb(psoc, pdev);
497 
498 	return status;
499 }
500 
501 QDF_STATUS reg_get_band(struct wlan_objmgr_pdev *pdev,
502 			uint32_t *band_bitmap)
503 {
504 	struct wlan_regulatory_pdev_priv_obj *pdev_priv_obj;
505 
506 	pdev_priv_obj = reg_get_pdev_obj(pdev);
507 
508 	if (!IS_VALID_PDEV_REG_OBJ(pdev_priv_obj)) {
509 		reg_err("pdev reg component is NULL");
510 		return QDF_STATUS_E_INVAL;
511 	}
512 
513 	reg_debug("get band bitmap: %d", pdev_priv_obj->band_capability);
514 	*band_bitmap = pdev_priv_obj->band_capability;
515 
516 	return QDF_STATUS_SUCCESS;
517 }
518 
519 #ifdef DISABLE_CHANNEL_LIST
520 QDF_STATUS reg_restore_cached_channels(struct wlan_objmgr_pdev *pdev)
521 {
522 	struct wlan_regulatory_psoc_priv_obj *psoc_priv_obj;
523 	struct wlan_regulatory_pdev_priv_obj *pdev_priv_obj;
524 	struct wlan_objmgr_psoc *psoc;
525 	QDF_STATUS status;
526 
527 	pdev_priv_obj = reg_get_pdev_obj(pdev);
528 	if (!IS_VALID_PDEV_REG_OBJ(pdev_priv_obj)) {
529 		reg_err("pdev reg component is NULL");
530 		return QDF_STATUS_E_INVAL;
531 	}
532 
533 	psoc = wlan_pdev_get_psoc(pdev);
534 	if (!psoc) {
535 		reg_err("psoc is NULL");
536 		return QDF_STATUS_E_INVAL;
537 	}
538 
539 	psoc_priv_obj = reg_get_psoc_obj(psoc);
540 	if (!IS_VALID_PSOC_REG_OBJ(psoc_priv_obj)) {
541 		reg_err("psoc reg component is NULL");
542 		return QDF_STATUS_E_INVAL;
543 	}
544 
545 	pdev_priv_obj->disable_cached_channels = false;
546 	reg_compute_pdev_current_chan_list(pdev_priv_obj);
547 	status = reg_send_scheduler_msg_sb(psoc, pdev);
548 	return status;
549 }
550 
551 #ifdef CONFIG_CHAN_FREQ_API
552 QDF_STATUS reg_cache_channel_freq_state(struct wlan_objmgr_pdev *pdev,
553 					uint32_t *channel_list,
554 					uint32_t num_channels)
555 {
556 	struct wlan_regulatory_psoc_priv_obj *psoc_priv_obj;
557 	struct wlan_regulatory_pdev_priv_obj *pdev_priv_obj;
558 	struct wlan_objmgr_psoc *psoc;
559 	uint16_t i, j;
560 
561 	pdev_priv_obj = reg_get_pdev_obj(pdev);
562 
563 	if (!IS_VALID_PDEV_REG_OBJ(pdev_priv_obj)) {
564 		reg_err("pdev reg component is NULL");
565 		return QDF_STATUS_E_INVAL;
566 	}
567 
568 	psoc = wlan_pdev_get_psoc(pdev);
569 	if (!psoc) {
570 		reg_err("psoc is NULL");
571 		return QDF_STATUS_E_INVAL;
572 	}
573 
574 	psoc_priv_obj = reg_get_psoc_obj(psoc);
575 	if (!IS_VALID_PSOC_REG_OBJ(psoc_priv_obj)) {
576 		reg_err("psoc reg component is NULL");
577 		return QDF_STATUS_E_INVAL;
578 	}
579 	if (pdev_priv_obj->num_cache_channels > 0) {
580 		pdev_priv_obj->num_cache_channels = 0;
581 		qdf_mem_zero(&pdev_priv_obj->cache_disable_chan_list,
582 			     sizeof(pdev_priv_obj->cache_disable_chan_list));
583 	}
584 
585 	for (i = 0; i < num_channels; i++) {
586 		for (j = 0; j < NUM_CHANNELS; j++) {
587 			if (channel_list[i] == pdev_priv_obj->
588 						cur_chan_list[j].center_freq) {
589 				pdev_priv_obj->
590 					cache_disable_chan_list[i].center_freq =
591 							channel_list[i];
592 				pdev_priv_obj->
593 					cache_disable_chan_list[i].state =
594 					pdev_priv_obj->cur_chan_list[j].state;
595 				pdev_priv_obj->
596 					cache_disable_chan_list[i].chan_flags =
597 					pdev_priv_obj->
598 						cur_chan_list[j].chan_flags;
599 			}
600 		}
601 	}
602 	pdev_priv_obj->num_cache_channels = num_channels;
603 
604 	return QDF_STATUS_SUCCESS;
605 }
606 #endif /* CONFIG_CHAN_FREQ_API */
607 
608 #ifdef CONFIG_CHAN_NUM_API
609 QDF_STATUS reg_cache_channel_state(struct wlan_objmgr_pdev *pdev,
610 				   uint32_t *channel_list,
611 				   uint32_t num_channels)
612 {
613 	struct wlan_regulatory_psoc_priv_obj *psoc_priv_obj;
614 	struct wlan_regulatory_pdev_priv_obj *pdev_priv_obj;
615 	struct wlan_objmgr_psoc *psoc;
616 	uint8_t i, j;
617 
618 	pdev_priv_obj = reg_get_pdev_obj(pdev);
619 
620 	if (!IS_VALID_PDEV_REG_OBJ(pdev_priv_obj)) {
621 		reg_err("pdev reg component is NULL");
622 		return QDF_STATUS_E_INVAL;
623 	}
624 
625 	psoc = wlan_pdev_get_psoc(pdev);
626 	if (!psoc) {
627 		reg_err("psoc is NULL");
628 		return QDF_STATUS_E_INVAL;
629 	}
630 
631 	psoc_priv_obj = reg_get_psoc_obj(psoc);
632 	if (!IS_VALID_PSOC_REG_OBJ(psoc_priv_obj)) {
633 		reg_err("psoc reg component is NULL");
634 		return QDF_STATUS_E_INVAL;
635 	}
636 	if (pdev_priv_obj->num_cache_channels > 0) {
637 		pdev_priv_obj->num_cache_channels = 0;
638 		qdf_mem_zero(&pdev_priv_obj->cache_disable_chan_list,
639 			     sizeof(pdev_priv_obj->cache_disable_chan_list));
640 	}
641 
642 	for (i = 0; i < num_channels; i++) {
643 		for (j = 0; j < NUM_CHANNELS; j++) {
644 			if (channel_list[i] == pdev_priv_obj->
645 						cur_chan_list[j].chan_num) {
646 				pdev_priv_obj->
647 					cache_disable_chan_list[i].chan_num =
648 							channel_list[i];
649 				pdev_priv_obj->
650 					cache_disable_chan_list[i].state =
651 					pdev_priv_obj->cur_chan_list[j].state;
652 				pdev_priv_obj->
653 					cache_disable_chan_list[i].chan_flags =
654 					pdev_priv_obj->
655 						cur_chan_list[j].chan_flags;
656 			}
657 		}
658 	}
659 	pdev_priv_obj->num_cache_channels = num_channels;
660 
661 	return QDF_STATUS_SUCCESS;
662 }
663 #endif /* CONFIG_CHAN_NUM_API */
664 void set_disable_channel_state(
665 	struct wlan_regulatory_pdev_priv_obj *pdev_priv_obj)
666 {
667 	pdev_priv_obj->disable_cached_channels = pdev_priv_obj->sap_state;
668 }
669 #endif
670 
671 #ifdef CONFIG_REG_CLIENT
672 
673 QDF_STATUS reg_set_fcc_constraint(struct wlan_objmgr_pdev *pdev,
674 				  bool fcc_constraint)
675 {
676 	struct wlan_regulatory_pdev_priv_obj *pdev_priv_obj;
677 	struct wlan_regulatory_psoc_priv_obj *psoc_priv_obj;
678 	struct wlan_objmgr_psoc *psoc;
679 	QDF_STATUS status;
680 
681 	pdev_priv_obj = reg_get_pdev_obj(pdev);
682 	if (!IS_VALID_PDEV_REG_OBJ(pdev_priv_obj)) {
683 		reg_err("pdev reg component is NULL");
684 		return QDF_STATUS_E_INVAL;
685 	}
686 
687 	if (pdev_priv_obj->set_fcc_channel == fcc_constraint) {
688 		reg_info("same fcc_constraint %d", fcc_constraint);
689 		return QDF_STATUS_SUCCESS;
690 	}
691 
692 	reg_info("set fcc_constraint: %d", fcc_constraint);
693 	pdev_priv_obj->set_fcc_channel = fcc_constraint;
694 
695 	psoc = wlan_pdev_get_psoc(pdev);
696 	if (!psoc) {
697 		reg_err("psoc is NULL");
698 		return QDF_STATUS_E_INVAL;
699 	}
700 
701 	psoc_priv_obj = reg_get_psoc_obj(psoc);
702 	if (!IS_VALID_PSOC_REG_OBJ(psoc_priv_obj)) {
703 		reg_err("psoc reg component is NULL");
704 		return QDF_STATUS_E_INVAL;
705 	}
706 
707 	reg_compute_pdev_current_chan_list(pdev_priv_obj);
708 
709 	status = reg_send_scheduler_msg_sb(psoc, pdev);
710 
711 	return status;
712 }
713 
714 bool reg_get_fcc_constraint(struct wlan_objmgr_pdev *pdev, uint32_t freq)
715 {
716 	struct wlan_regulatory_pdev_priv_obj *pdev_priv_obj;
717 
718 	pdev_priv_obj = reg_get_pdev_obj(pdev);
719 	if (!IS_VALID_PDEV_REG_OBJ(pdev_priv_obj)) {
720 		reg_err("pdev reg component is NULL");
721 		return false;
722 	}
723 
724 	if (freq != CHAN_12_CENT_FREQ && freq != CHAN_13_CENT_FREQ)
725 		return false;
726 
727 	if (!pdev_priv_obj->set_fcc_channel)
728 		return false;
729 
730 	return true;
731 }
732 
733 #endif /* CONFIG_REG_CLIENT */
734 
735 /**
736  * reg_change_pdev_for_config() - Update user configuration in pdev private obj.
737  * @psoc: Pointer to global psoc structure.
738  * @object: Pointer to global pdev structure.
739  * @arg: Pointer to argument list.
740  */
741 static void reg_change_pdev_for_config(struct wlan_objmgr_psoc *psoc,
742 				       void *object, void *arg)
743 {
744 	struct wlan_objmgr_pdev *pdev = (struct wlan_objmgr_pdev *)object;
745 	struct wlan_regulatory_psoc_priv_obj *psoc_priv_obj;
746 	struct wlan_regulatory_pdev_priv_obj *pdev_priv_obj;
747 
748 	psoc_priv_obj = reg_get_psoc_obj(psoc);
749 	if (!psoc_priv_obj) {
750 		reg_err("psoc priv obj is NULL");
751 		return;
752 	}
753 
754 	pdev_priv_obj = reg_get_pdev_obj(pdev);
755 
756 	if (!IS_VALID_PDEV_REG_OBJ(pdev_priv_obj)) {
757 		reg_err("reg pdev private obj is NULL");
758 		return;
759 	}
760 
761 	pdev_priv_obj->dfs_enabled = psoc_priv_obj->dfs_enabled;
762 	pdev_priv_obj->indoor_chan_enabled = psoc_priv_obj->indoor_chan_enabled;
763 	pdev_priv_obj->force_ssc_disable_indoor_channel =
764 		psoc_priv_obj->force_ssc_disable_indoor_channel;
765 	pdev_priv_obj->band_capability = psoc_priv_obj->band_capability;
766 
767 	reg_compute_pdev_current_chan_list(pdev_priv_obj);
768 
769 	reg_send_scheduler_msg_sb(psoc, pdev);
770 }
771 
772 QDF_STATUS reg_set_config_vars(struct wlan_objmgr_psoc *psoc,
773 			       struct reg_config_vars config_vars)
774 {
775 	struct wlan_regulatory_psoc_priv_obj *psoc_priv_obj;
776 	QDF_STATUS status;
777 
778 	psoc_priv_obj = reg_get_psoc_obj(psoc);
779 	if (!psoc_priv_obj) {
780 		reg_err("psoc priv obj is NULL");
781 		return QDF_STATUS_E_FAILURE;
782 	}
783 
784 	psoc_priv_obj->enable_11d_supp_original =
785 		config_vars.enable_11d_support;
786 	psoc_priv_obj->scan_11d_interval = config_vars.scan_11d_interval;
787 	psoc_priv_obj->user_ctry_priority = config_vars.userspace_ctry_priority;
788 	psoc_priv_obj->dfs_enabled = config_vars.dfs_enabled;
789 	psoc_priv_obj->indoor_chan_enabled = config_vars.indoor_chan_enabled;
790 	psoc_priv_obj->force_ssc_disable_indoor_channel =
791 		config_vars.force_ssc_disable_indoor_channel;
792 	psoc_priv_obj->band_capability = config_vars.band_capability;
793 	psoc_priv_obj->restart_beaconing = config_vars.restart_beaconing;
794 	psoc_priv_obj->enable_srd_chan_in_master_mode =
795 		config_vars.enable_srd_chan_in_master_mode;
796 	psoc_priv_obj->enable_11d_in_world_mode =
797 		config_vars.enable_11d_in_world_mode;
798 	psoc_priv_obj->enable_5dot9_ghz_chan_in_master_mode =
799 		config_vars.enable_5dot9_ghz_chan_in_master_mode;
800 	psoc_priv_obj->retain_nol_across_regdmn_update =
801 		config_vars.retain_nol_across_regdmn_update;
802 
803 	status = wlan_objmgr_psoc_try_get_ref(psoc, WLAN_REGULATORY_SB_ID);
804 	if (QDF_IS_STATUS_ERROR(status)) {
805 		reg_err("error taking psoc ref cnt");
806 		return status;
807 	}
808 	status = wlan_objmgr_iterate_obj_list(psoc, WLAN_PDEV_OP,
809 					      reg_change_pdev_for_config,
810 					      NULL, 1, WLAN_REGULATORY_SB_ID);
811 	wlan_objmgr_psoc_release_ref(psoc, WLAN_REGULATORY_SB_ID);
812 
813 	return status;
814 }
815 
816 bool reg_is_regdb_offloaded(struct wlan_objmgr_psoc *psoc)
817 {
818 	struct wlan_regulatory_psoc_priv_obj *psoc_priv_obj;
819 
820 	psoc_priv_obj = reg_get_psoc_obj(psoc);
821 	if (!psoc_priv_obj) {
822 		reg_err("reg psoc private obj is NULL");
823 		return false;
824 	}
825 
826 	return psoc_priv_obj->offload_enabled;
827 }
828 
829 void reg_program_mas_chan_list(struct wlan_objmgr_psoc *psoc,
830 			       struct regulatory_channel *reg_channels,
831 			       uint8_t *alpha2,
832 			       enum dfs_reg dfs_region)
833 {
834 	struct wlan_regulatory_psoc_priv_obj *psoc_priv_obj;
835 	QDF_STATUS status;
836 	uint32_t count;
837 	enum direction dir;
838 	uint32_t phy_cnt;
839 
840 	psoc_priv_obj = reg_get_psoc_obj(psoc);
841 	if (!psoc_priv_obj) {
842 		reg_err("reg psoc private obj is NULL");
843 		return;
844 	}
845 
846 	qdf_mem_copy(psoc_priv_obj->cur_country, alpha2,
847 		     REG_ALPHA2_LEN);
848 	reg_debug("set cur_country %.2s", psoc_priv_obj->cur_country);
849 	for (count = 0; count < NUM_CHANNELS; count++) {
850 		reg_channels[count].chan_num = channel_map[count].chan_num;
851 		reg_channels[count].center_freq =
852 			channel_map[count].center_freq;
853 		reg_channels[count].nol_chan = false;
854 	}
855 
856 	for (phy_cnt = 0; phy_cnt < PSOC_MAX_PHY_REG_CAP; phy_cnt++) {
857 		qdf_mem_copy(psoc_priv_obj->mas_chan_params[phy_cnt].
858 			     mas_chan_list, reg_channels,
859 			     NUM_CHANNELS * sizeof(struct regulatory_channel));
860 
861 		psoc_priv_obj->mas_chan_params[phy_cnt].dfs_region =
862 			dfs_region;
863 	}
864 
865 	dir = SOUTHBOUND;
866 	status = wlan_objmgr_psoc_try_get_ref(psoc, WLAN_REGULATORY_SB_ID);
867 	if (QDF_IS_STATUS_ERROR(status)) {
868 		reg_err("error taking psoc ref cnt");
869 		return;
870 	}
871 	status = wlan_objmgr_iterate_obj_list(
872 			psoc, WLAN_PDEV_OP, reg_propagate_mas_chan_list_to_pdev,
873 			&dir, 1, WLAN_REGULATORY_SB_ID);
874 	wlan_objmgr_psoc_release_ref(psoc, WLAN_REGULATORY_SB_ID);
875 }
876 
877 enum country_src reg_get_cc_and_src(struct wlan_objmgr_psoc *psoc,
878 				    uint8_t *alpha2)
879 {
880 	struct wlan_regulatory_psoc_priv_obj *psoc_priv_obj;
881 
882 	psoc_priv_obj = reg_get_psoc_obj(psoc);
883 	if (!psoc_priv_obj) {
884 		reg_err("reg psoc private obj is NULL");
885 		return SOURCE_UNKNOWN;
886 	}
887 
888 	qdf_mem_copy(alpha2, psoc_priv_obj->cur_country, REG_ALPHA2_LEN + 1);
889 
890 	return psoc_priv_obj->cc_src;
891 }
892 
893 QDF_STATUS reg_get_regd_rules(struct wlan_objmgr_pdev *pdev,
894 			      struct reg_rule_info *reg_rules)
895 {
896 	struct wlan_regulatory_pdev_priv_obj *pdev_priv_obj;
897 
898 	if (!pdev) {
899 		reg_err("pdev is NULL");
900 		return QDF_STATUS_E_FAILURE;
901 	}
902 
903 	pdev_priv_obj = reg_get_pdev_obj(pdev);
904 	if (!pdev_priv_obj) {
905 		reg_err("pdev priv obj is NULL");
906 		return QDF_STATUS_E_FAILURE;
907 	}
908 
909 	qdf_spin_lock_bh(&pdev_priv_obj->reg_rules_lock);
910 	qdf_mem_copy(reg_rules, &pdev_priv_obj->reg_rules,
911 		     sizeof(struct reg_rule_info));
912 	qdf_spin_unlock_bh(&pdev_priv_obj->reg_rules_lock);
913 
914 	return QDF_STATUS_SUCCESS;
915 }
916 
917 void reg_reset_ctry_pending_hints(struct wlan_regulatory_psoc_priv_obj
918 				  *soc_reg)
919 {
920 	uint8_t ctr;
921 
922 	if (!soc_reg->offload_enabled)
923 		return;
924 
925 	for (ctr = 0; ctr < PSOC_MAX_PHY_REG_CAP; ctr++) {
926 		soc_reg->new_user_ctry_pending[ctr] = false;
927 		soc_reg->new_init_ctry_pending[ctr] = false;
928 		soc_reg->new_11d_ctry_pending[ctr] = false;
929 		soc_reg->world_country_pending[ctr] = false;
930 	}
931 }
932 
933 QDF_STATUS reg_set_curr_country(struct wlan_regulatory_psoc_priv_obj *soc_reg,
934 				struct cur_regulatory_info *regulat_info,
935 				struct wlan_lmac_if_reg_tx_ops *tx_ops)
936 {
937 	struct wlan_objmgr_psoc *psoc = regulat_info->psoc;
938 	uint8_t pdev_id;
939 	uint8_t phy_num;
940 	struct set_country country_code;
941 	QDF_STATUS status;
942 
943 	/*
944 	 * During SSR/WLAN restart ignore master channel list
945 	 * for all events and in the last event handling if
946 	 * current country and default country is different, send the last
947 	 * configured (soc_reg->cur_country) country.
948 	 */
949 	if ((regulat_info->num_phy != regulat_info->phy_id + 1) ||
950 	    (!qdf_mem_cmp(soc_reg->cur_country, regulat_info->alpha2,
951 			  REG_ALPHA2_LEN)))
952 		return QDF_STATUS_SUCCESS;
953 
954 	/*
955 	 * Need firmware to send channel list event
956 	 * for all phys. Therefore set pdev_id to 0xFF
957 	 */
958 	pdev_id = 0xFF;
959 	for (phy_num = 0; phy_num < regulat_info->num_phy; phy_num++) {
960 		if (soc_reg->cc_src == SOURCE_USERSPACE)
961 			soc_reg->new_user_ctry_pending[phy_num] = true;
962 		else if (soc_reg->cc_src == SOURCE_11D)
963 			soc_reg->new_11d_ctry_pending[phy_num] = true;
964 		else
965 			soc_reg->world_country_pending[phy_num] = true;
966 	}
967 
968 	qdf_mem_zero(&country_code, sizeof(country_code));
969 	qdf_mem_copy(country_code.country, soc_reg->cur_country,
970 		     sizeof(soc_reg->cur_country));
971 	country_code.pdev_id = pdev_id;
972 
973 	if (!tx_ops || !tx_ops->set_country_code) {
974 		reg_err("No regulatory tx_ops");
975 		status = QDF_STATUS_E_FAULT;
976 		goto error;
977 	}
978 
979 	status = tx_ops->set_country_code(psoc, &country_code);
980 	if (QDF_IS_STATUS_ERROR(status)) {
981 		reg_err("Failed to send country code to fw");
982 		goto error;
983 	}
984 
985 	reg_debug("Target CC: %.2s, Restore to Previous CC: %.2s",
986 		  regulat_info->alpha2, soc_reg->cur_country);
987 
988 	return status;
989 
990 error:
991 	reg_reset_ctry_pending_hints(soc_reg);
992 
993 	return status;
994 }
995 
996 bool reg_ignore_default_country(struct wlan_regulatory_psoc_priv_obj *soc_reg,
997 				struct cur_regulatory_info *regulat_info)
998 {
999 	uint8_t phy_num;
1000 
1001 	if (!soc_reg->offload_enabled)
1002 		return false;
1003 
1004 	if (soc_reg->cc_src == SOURCE_UNKNOWN)
1005 		return false;
1006 
1007 	phy_num = regulat_info->phy_id;
1008 	if (soc_reg->new_user_ctry_pending[phy_num] ||
1009 	    soc_reg->new_init_ctry_pending[phy_num] ||
1010 	    soc_reg->new_11d_ctry_pending[phy_num] ||
1011 	    soc_reg->world_country_pending[phy_num])
1012 		return false;
1013 
1014 	return true;
1015 }
1016