89 	struct bgscan_learn_data *data, const u8 *bssid)  in bgscan_learn_get_bss()  argument
93 	dl_list_for_each(bss, &data->bss, struct bgscan_learn_bss, list) {  in bgscan_learn_get_bss()
101 static int bgscan_learn_load(struct bgscan_learn_data *data)  in bgscan_learn_load()  argument
107 	if (data->fname == NULL)  in bgscan_learn_load()
110 	f = fopen(data->fname, "r");  in bgscan_learn_load()
115 		   data->fname);  in bgscan_learn_load()
120 			   data->fname);  in bgscan_learn_load()
135 			dl_list_add(&data->bss, &bss->list);  in bgscan_learn_load()
146 			bss = bgscan_learn_get_bss(data, addr);  in bgscan_learn_load()
161 static void bgscan_learn_save(struct bgscan_learn_data *data)  in bgscan_learn_save()  argument
166 	if (data->fname == NULL)  in bgscan_learn_save()
170 		   data->fname);  in bgscan_learn_save()
172 	f = fopen(data->fname, "w");  in bgscan_learn_save()
177 	dl_list_for_each(bss, &data->bss, struct bgscan_learn_bss, list) {  in bgscan_learn_save()
182 	dl_list_for_each(bss, &data->bss, struct bgscan_learn_bss, list) {  in bgscan_learn_save()
211 static int * bgscan_learn_get_freqs(struct bgscan_learn_data *data,  in bgscan_learn_get_freqs()  argument
219 	dl_list_for_each(bss, &data->bss, struct bgscan_learn_bss, list) {  in bgscan_learn_get_freqs()
235 static int * bgscan_learn_get_probe_freq(struct bgscan_learn_data *data,  in bgscan_learn_get_probe_freq()  argument
240 	if (data->supp_freqs == NULL)  in bgscan_learn_get_probe_freq()
243 	idx = data->probe_idx;  in bgscan_learn_get_probe_freq()
245 		if (!in_array(freqs, data->supp_freqs[idx])) {  in bgscan_learn_get_probe_freq()
247 				   "%u", data->supp_freqs[idx]);  in bgscan_learn_get_probe_freq()
248 			data->probe_idx = idx + 1;  in bgscan_learn_get_probe_freq()
249 			if (data->supp_freqs[data->probe_idx] == 0)  in bgscan_learn_get_probe_freq()
250 				data->probe_idx = 0;  in bgscan_learn_get_probe_freq()
255 			freqs[count] = data->supp_freqs[idx];  in bgscan_learn_get_probe_freq()
262 		if (data->supp_freqs[idx] == 0)  in bgscan_learn_get_probe_freq()
264 	} while (idx != data->probe_idx);  in bgscan_learn_get_probe_freq()
272 	struct bgscan_learn_data *data = eloop_ctx;  in bgscan_learn_timeout()  local
273 	struct wpa_supplicant *wpa_s = data->wpa_s;  in bgscan_learn_timeout()
281 	params.ssids[0].ssid = data->ssid->ssid;  in bgscan_learn_timeout()
282 	params.ssids[0].ssid_len = data->ssid->ssid_len;  in bgscan_learn_timeout()
283 	if (data->ssid->scan_freq)  in bgscan_learn_timeout()
284 		params.freqs = data->ssid->scan_freq;  in bgscan_learn_timeout()
286 		freqs = bgscan_learn_get_freqs(data, &count);  in bgscan_learn_timeout()
289 		freqs = bgscan_learn_get_probe_freq(data, freqs, count);  in bgscan_learn_timeout()
310 		eloop_register_timeout(data->scan_interval, 0,  in bgscan_learn_timeout()
311 				       bgscan_learn_timeout, data, NULL);  in bgscan_learn_timeout()
313 		os_get_reltime(&data->last_bgscan);  in bgscan_learn_timeout()
318 static int bgscan_learn_get_params(struct bgscan_learn_data *data,  in bgscan_learn_get_params()  argument
323 	data->short_interval = atoi(params);  in bgscan_learn_get_params()
329 	data->signal_threshold = atoi(pos);  in bgscan_learn_get_params()
337 	data->long_interval = atoi(pos);  in bgscan_learn_get_params()
341 		data->fname = os_strdup(pos);  in bgscan_learn_get_params()
384 	struct bgscan_learn_data *data;  in bgscan_learn_init()  local
386 	data = os_zalloc(sizeof(*data));  in bgscan_learn_init()
387 	if (data == NULL)  in bgscan_learn_init()
389 	dl_list_init(&data->bss);  in bgscan_learn_init()
390 	data->wpa_s = wpa_s;  in bgscan_learn_init()
391 	data->ssid = ssid;  in bgscan_learn_init()
392 	if (bgscan_learn_get_params(data, params) < 0) {  in bgscan_learn_init()
393 		os_free(data->fname);  in bgscan_learn_init()
394 		os_free(data);  in bgscan_learn_init()
397 	if (data->short_interval <= 0)  in bgscan_learn_init()
398 		data->short_interval = 30;  in bgscan_learn_init()
399 	if (data->long_interval <= 0)  in bgscan_learn_init()
400 		data->long_interval = 30;  in bgscan_learn_init()
402 	if (bgscan_learn_load(data) < 0) {  in bgscan_learn_init()
403 		os_free(data->fname);  in bgscan_learn_init()
404 		os_free(data);  in bgscan_learn_init()
410 		   data->signal_threshold, data->short_interval,  in bgscan_learn_init()
411 		   data->long_interval);  in bgscan_learn_init()
413 	if (data->signal_threshold &&  in bgscan_learn_init()
414 	    wpa_drv_signal_monitor(wpa_s, data->signal_threshold, 4) < 0) {  in bgscan_learn_init()
419 	data->supp_freqs = bgscan_learn_get_supp_freqs(wpa_s);  in bgscan_learn_init()
420 	data->scan_interval = data->short_interval;  in bgscan_learn_init()
421 	if (data->signal_threshold) {  in bgscan_learn_init()
425 		    siginfo.data.signal >= data->signal_threshold)  in bgscan_learn_init()
426 			data->scan_interval = data->long_interval;  in bgscan_learn_init()
429 	eloop_register_timeout(data->scan_interval, 0, bgscan_learn_timeout,  in bgscan_learn_init()
430 			       data, NULL);  in bgscan_learn_init()
438 	os_get_reltime(&data->last_bgscan);  in bgscan_learn_init()
440 	return data;  in bgscan_learn_init()
446 	struct bgscan_learn_data *data = priv;  in bgscan_learn_deinit()  local
449 	bgscan_learn_save(data);  in bgscan_learn_deinit()
450 	eloop_cancel_timeout(bgscan_learn_timeout, data, NULL);  in bgscan_learn_deinit()
451 	if (data->signal_threshold)  in bgscan_learn_deinit()
452 		wpa_drv_signal_monitor(data->wpa_s, 0, 0);  in bgscan_learn_deinit()
453 	os_free(data->fname);  in bgscan_learn_deinit()
454 	dl_list_for_each_safe(bss, n, &data->bss, struct bgscan_learn_bss,  in bgscan_learn_deinit()
459 	os_free(data->supp_freqs);  in bgscan_learn_deinit()
460 	os_free(data);  in bgscan_learn_deinit()
464 static int bgscan_learn_bss_match(struct bgscan_learn_data *data,  in bgscan_learn_bss_match()  argument
473 	if (data->ssid->ssid_len != ie[1] ||  in bgscan_learn_bss_match()
474 	    os_memcmp(data->ssid->ssid, ie + 2, ie[1]) != 0)  in bgscan_learn_bss_match()
484 	struct bgscan_learn_data *data = priv;  in bgscan_learn_notify_scan()  local
492 	eloop_cancel_timeout(bgscan_learn_timeout, data, NULL);  in bgscan_learn_notify_scan()
493 	eloop_register_timeout(data->scan_interval, 0, bgscan_learn_timeout,  in bgscan_learn_notify_scan()
494 			       data, NULL);  in bgscan_learn_notify_scan()
498 		if (!bgscan_learn_bss_match(data, res))  in bgscan_learn_notify_scan()
514 		if (!bgscan_learn_bss_match(data, res))  in bgscan_learn_notify_scan()
517 		bss = bgscan_learn_get_bss(data, res->bssid);  in bgscan_learn_notify_scan()
531 			dl_list_add(&data->bss, &bss->list);  in bgscan_learn_notify_scan()
563 	struct bgscan_learn_data *data = priv;  in bgscan_learn_notify_signal_change()  local
567 	if (data->short_interval == data->long_interval ||  in bgscan_learn_notify_signal_change()
568 	    data->signal_threshold == 0)  in bgscan_learn_notify_signal_change()
575 	if (data->scan_interval == data->long_interval && !above) {  in bgscan_learn_notify_signal_change()
578 		data->scan_interval = data->short_interval;  in bgscan_learn_notify_signal_change()
580 		if (now.sec > data->last_bgscan.sec + 1)  in bgscan_learn_notify_signal_change()
582 	} else if (data->scan_interval == data->short_interval && above) {  in bgscan_learn_notify_signal_change()
585 		data->scan_interval = data->long_interval;  in bgscan_learn_notify_signal_change()
586 		eloop_cancel_timeout(bgscan_learn_timeout, data, NULL);  in bgscan_learn_notify_signal_change()
587 		eloop_register_timeout(data->scan_interval, 0,  in bgscan_learn_notify_signal_change()
588 				       bgscan_learn_timeout, data, NULL);  in bgscan_learn_notify_signal_change()
595 		if (now.sec > data->last_bgscan.sec + 10)  in bgscan_learn_notify_signal_change()
601 		eloop_cancel_timeout(bgscan_learn_timeout, data, NULL);  in bgscan_learn_notify_signal_change()
602 		eloop_register_timeout(0, 0, bgscan_learn_timeout, data, NULL);  in bgscan_learn_notify_signal_change()