75 int hostapd_get_hw_features(struct hostapd_iface *iface)  in hostapd_get_hw_features()  argument
77 	struct hostapd_data *hapd = iface->bss[0];  in hostapd_get_hw_features()
93 	iface->hw_flags = flags;  in hostapd_get_hw_features()
95 	hostapd_free_hw_features(iface->hw_features, iface->num_hw_features);  in hostapd_get_hw_features()
96 	iface->hw_features = modes;  in hostapd_get_hw_features()
97 	iface->num_hw_features = num_modes;  in hostapd_get_hw_features()
102 			(iface->drv_flags & WPA_DRIVER_FLAGS_RADAR);  in hostapd_get_hw_features()
120 				    !(iface->drv_flags &  in hostapd_get_hw_features()
145 int hostapd_prepare_rates(struct hostapd_iface *iface,  in hostapd_prepare_rates()  argument
154 	if (iface->conf->basic_rates)  in hostapd_prepare_rates()
155 		basic_rates = iface->conf->basic_rates;  in hostapd_prepare_rates()
177 	os_free(iface->basic_rates);  in hostapd_prepare_rates()
178 	iface->basic_rates = os_malloc(i * sizeof(int));  in hostapd_prepare_rates()
179 	if (iface->basic_rates)  in hostapd_prepare_rates()
180 		os_memcpy(iface->basic_rates, basic_rates, i * sizeof(int));  in hostapd_prepare_rates()
182 	os_free(iface->current_rates);  in hostapd_prepare_rates()
183 	iface->num_rates = 0;  in hostapd_prepare_rates()
185 	iface->current_rates =  in hostapd_prepare_rates()
187 	if (!iface->current_rates) {  in hostapd_prepare_rates()
196 		if (iface->conf->supported_rates &&  in hostapd_prepare_rates()
197 		    !hostapd_rate_found(iface->conf->supported_rates,  in hostapd_prepare_rates()
201 		rate = &iface->current_rates[iface->num_rates];  in hostapd_prepare_rates()
208 			   iface->num_rates, rate->rate, rate->flags);  in hostapd_prepare_rates()
209 		iface->num_rates++;  in hostapd_prepare_rates()
212 	if ((iface->num_rates == 0 || num_basic_rates == 0) &&  in hostapd_prepare_rates()
213 	    (!iface->conf->ieee80211n || !iface->conf->require_ht)) {  in hostapd_prepare_rates()
216 			   iface->num_rates, num_basic_rates);  in hostapd_prepare_rates()
225 static int ieee80211n_allowed_ht40_channel_pair(struct hostapd_iface *iface)  in ieee80211n_allowed_ht40_channel_pair()  argument
229 	if (!iface->conf->secondary_channel)  in ieee80211n_allowed_ht40_channel_pair()
232 	pri_chan = iface->conf->channel;  in ieee80211n_allowed_ht40_channel_pair()
233 	sec_chan = pri_chan + iface->conf->secondary_channel * 4;  in ieee80211n_allowed_ht40_channel_pair()
235 	return allowed_ht40_channel_pair(iface->current_mode, pri_chan,  in ieee80211n_allowed_ht40_channel_pair()
240 static void ieee80211n_switch_pri_sec(struct hostapd_iface *iface)  in ieee80211n_switch_pri_sec()  argument
242 	if (iface->conf->secondary_channel > 0) {  in ieee80211n_switch_pri_sec()
243 		iface->conf->channel += 4;  in ieee80211n_switch_pri_sec()
244 		iface->conf->secondary_channel = -1;  in ieee80211n_switch_pri_sec()
246 		iface->conf->channel -= 4;  in ieee80211n_switch_pri_sec()
247 		iface->conf->secondary_channel = 1;  in ieee80211n_switch_pri_sec()
252 static int ieee80211n_check_40mhz_5g(struct hostapd_iface *iface,  in ieee80211n_check_40mhz_5g()  argument
258 	pri_chan = iface->conf->channel;  in ieee80211n_check_40mhz_5g()
259 	sec_chan = pri_chan + iface->conf->secondary_channel * 4;  in ieee80211n_check_40mhz_5g()
261 	res = check_40mhz_5g(iface->current_mode, scan_res, pri_chan, sec_chan);  in ieee80211n_check_40mhz_5g()
264 		if (iface->conf->no_pri_sec_switch) {  in ieee80211n_check_40mhz_5g()
268 			ieee80211n_switch_pri_sec(iface);  in ieee80211n_check_40mhz_5g()
276 static int ieee80211n_check_40mhz_2g4(struct hostapd_iface *iface,  in ieee80211n_check_40mhz_2g4()  argument
281 	pri_chan = iface->conf->channel;  in ieee80211n_check_40mhz_2g4()
282 	sec_chan = pri_chan + iface->conf->secondary_channel * 4;  in ieee80211n_check_40mhz_2g4()
284 	return check_40mhz_2g4(iface->current_mode, scan_res, pri_chan,  in ieee80211n_check_40mhz_2g4()
289 static void ieee80211n_check_scan(struct hostapd_iface *iface)  in ieee80211n_check_scan()  argument
298 	iface->scan_cb = NULL;  in ieee80211n_check_scan()
300 	scan_res = hostapd_driver_get_scan_results(iface->bss[0]);  in ieee80211n_check_scan()
302 		hostapd_setup_interface_complete(iface, 1);  in ieee80211n_check_scan()
306 	if (iface->current_mode->mode == HOSTAPD_MODE_IEEE80211A)  in ieee80211n_check_scan()
307 		oper40 = ieee80211n_check_40mhz_5g(iface, scan_res);  in ieee80211n_check_scan()
309 		oper40 = ieee80211n_check_40mhz_2g4(iface, scan_res);  in ieee80211n_check_scan()
312 	iface->secondary_ch = iface->conf->secondary_channel;  in ieee80211n_check_scan()
316 			   iface->conf->channel,  in ieee80211n_check_scan()
317 			   iface->conf->channel +  in ieee80211n_check_scan()
318 			   iface->conf->secondary_channel * 4);  in ieee80211n_check_scan()
319 		iface->conf->secondary_channel = 0;  in ieee80211n_check_scan()
320 		if (iface->drv_flags & WPA_DRIVER_FLAGS_HT_2040_COEX) {  in ieee80211n_check_scan()
329 	res = ieee80211n_allowed_ht40_channel_pair(iface);  in ieee80211n_check_scan()
331 		iface->conf->secondary_channel = 0;  in ieee80211n_check_scan()
336 	hostapd_setup_interface_complete(iface, !res);  in ieee80211n_check_scan()
340 static void ieee80211n_scan_channels_2g4(struct hostapd_iface *iface,  in ieee80211n_scan_channels_2g4()  argument
349 	if (iface->current_mode == NULL)  in ieee80211n_scan_channels_2g4()
352 	pri_freq = hostapd_hw_get_freq(iface->bss[0], iface->conf->channel);  in ieee80211n_scan_channels_2g4()
353 	if (iface->conf->secondary_channel > 0)  in ieee80211n_scan_channels_2g4()
367 	mode = iface->current_mode;  in ieee80211n_scan_channels_2g4()
385 static void ieee80211n_scan_channels_5g(struct hostapd_iface *iface,  in ieee80211n_scan_channels_5g()  argument
394 	if (iface->current_mode == NULL)  in ieee80211n_scan_channels_5g()
397 	pri_freq = hostapd_hw_get_freq(iface->bss[0], iface->conf->channel);  in ieee80211n_scan_channels_5g()
398 	if (iface->conf->secondary_channel > 0) {  in ieee80211n_scan_channels_5g()
408 	mode = iface->current_mode;  in ieee80211n_scan_channels_5g()
429 	struct hostapd_iface *iface = eloop_data;  in ap_ht40_scan_retry()  local
434 	if (iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)  in ap_ht40_scan_retry()
435 		ieee80211n_scan_channels_2g4(iface, &params);  in ap_ht40_scan_retry()
437 		ieee80211n_scan_channels_5g(iface, &params);  in ap_ht40_scan_retry()
439 	ret = hostapd_driver_scan(iface->bss[0], &params);  in ap_ht40_scan_retry()
440 	iface->num_ht40_scan_tries++;  in ap_ht40_scan_retry()
444 	    iface->num_ht40_scan_tries < HT2040_COEX_SCAN_RETRY) {  in ap_ht40_scan_retry()
447 			   ret, strerror(-ret), iface->num_ht40_scan_tries);  in ap_ht40_scan_retry()
448 		eloop_register_timeout(1, 0, ap_ht40_scan_retry, iface, NULL);  in ap_ht40_scan_retry()
453 		iface->scan_cb = ieee80211n_check_scan;  in ap_ht40_scan_retry()
459 	iface->conf->secondary_channel = 0;  in ap_ht40_scan_retry()
460 	iface->conf->ht_capab &= ~HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET;  in ap_ht40_scan_retry()
461 	hostapd_setup_interface_complete(iface, 0);  in ap_ht40_scan_retry()
465 void hostapd_stop_setup_timers(struct hostapd_iface *iface)  in hostapd_stop_setup_timers()  argument
467 	eloop_cancel_timeout(ap_ht40_scan_retry, iface, NULL);  in hostapd_stop_setup_timers()
471 static int ieee80211n_check_40mhz(struct hostapd_iface *iface)  in ieee80211n_check_40mhz()  argument
477 	if (!iface->conf->secondary_channel || iface->conf->no_pri_sec_switch)  in ieee80211n_check_40mhz()
480 	hostapd_set_state(iface, HAPD_IFACE_HT_SCAN);  in ieee80211n_check_40mhz()
484 	if (iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)  in ieee80211n_check_40mhz()
485 		ieee80211n_scan_channels_2g4(iface, &params);  in ieee80211n_check_40mhz()
487 		ieee80211n_scan_channels_5g(iface, &params);  in ieee80211n_check_40mhz()
489 	ret = hostapd_driver_scan(iface->bss[0], &params);  in ieee80211n_check_40mhz()
496 		iface->num_ht40_scan_tries = 1;  in ieee80211n_check_40mhz()
497 		eloop_cancel_timeout(ap_ht40_scan_retry, iface, NULL);  in ieee80211n_check_40mhz()
498 		eloop_register_timeout(1, 0, ap_ht40_scan_retry, iface, NULL);  in ieee80211n_check_40mhz()
509 	iface->scan_cb = ieee80211n_check_scan;  in ieee80211n_check_40mhz()
514 static int ieee80211n_supported_ht_capab(struct hostapd_iface *iface)  in ieee80211n_supported_ht_capab()  argument
516 	u16 hw = iface->current_mode->ht_capab;  in ieee80211n_supported_ht_capab()
517 	u16 conf = iface->conf->ht_capab;  in ieee80211n_supported_ht_capab()
530 	if (!iface->conf->acs && (conf & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&  in ieee80211n_supported_ht_capab()
539 		if (!(iface->smps_modes & WPA_DRIVER_SMPS_MODE_STATIC)) {  in ieee80211n_supported_ht_capab()
546 		if (!(iface->smps_modes & WPA_DRIVER_SMPS_MODE_DYNAMIC)) {  in ieee80211n_supported_ht_capab()
659 static int ieee80211ac_supported_vht_capab(struct hostapd_iface *iface)  in ieee80211ac_supported_vht_capab()  argument
661 	struct hostapd_hw_modes *mode = iface->current_mode;  in ieee80211ac_supported_vht_capab()
663 	u32 conf = iface->conf->vht_capab;  in ieee80211ac_supported_vht_capab()
669 	    iface->conf->bss[0]->vendor_vht &&  in ieee80211ac_supported_vht_capab()
670 	    mode->vht_capab == 0 && iface->hw_features) {  in ieee80211ac_supported_vht_capab()
673 		for (i = 0; i < iface->num_hw_features; i++) {  in ieee80211ac_supported_vht_capab()
674 			if (iface->hw_features[i].mode ==  in ieee80211ac_supported_vht_capab()
676 				mode = &iface->hw_features[i];  in ieee80211ac_supported_vht_capab()
731 int hostapd_check_ht_capab(struct hostapd_iface *iface)  in hostapd_check_ht_capab()  argument
735 	if (!iface->conf->ieee80211n)  in hostapd_check_ht_capab()
738 	if (iface->current_mode->mode != HOSTAPD_MODE_IEEE80211B &&  in hostapd_check_ht_capab()
739 	    iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G &&  in hostapd_check_ht_capab()
740 	    (iface->conf->ht_capab & HT_CAP_INFO_DSSS_CCK40MHZ)) {  in hostapd_check_ht_capab()
743 		iface->conf->ht_capab &= ~HT_CAP_INFO_DSSS_CCK40MHZ;  in hostapd_check_ht_capab()
746 	if (!ieee80211n_supported_ht_capab(iface))  in hostapd_check_ht_capab()
749 	if (!ieee80211ac_supported_vht_capab(iface))  in hostapd_check_ht_capab()
752 	ret = ieee80211n_check_40mhz(iface);  in hostapd_check_ht_capab()
755 	if (!ieee80211n_allowed_ht40_channel_pair(iface))  in hostapd_check_ht_capab()
763 static int hostapd_is_usable_chan(struct hostapd_iface *iface,  in hostapd_is_usable_chan()  argument
769 	if (!iface->current_mode)  in hostapd_is_usable_chan()
772 	for (i = 0; i < iface->current_mode->num_channels; i++) {  in hostapd_is_usable_chan()
773 		chan = &iface->current_mode->channels[i];  in hostapd_is_usable_chan()
792 static int hostapd_is_usable_chans(struct hostapd_iface *iface)  in hostapd_is_usable_chans()  argument
794 	if (!hostapd_is_usable_chan(iface, iface->conf->channel, 1))  in hostapd_is_usable_chans()
797 	if (!iface->conf->secondary_channel)  in hostapd_is_usable_chans()
800 	return hostapd_is_usable_chan(iface, iface->conf->channel +  in hostapd_is_usable_chans()
801 				      iface->conf->secondary_channel * 4, 0);  in hostapd_is_usable_chans()
806 hostapd_check_chans(struct hostapd_iface *iface)  in hostapd_check_chans()  argument
808 	if (iface->conf->channel) {  in hostapd_check_chans()
809 		if (hostapd_is_usable_chans(iface))  in hostapd_check_chans()
820 	switch (acs_init(iface)) {  in hostapd_check_chans()
831 static void hostapd_notify_bad_chans(struct hostapd_iface *iface)  in hostapd_notify_bad_chans()  argument
833 	if (!iface->current_mode) {  in hostapd_notify_bad_chans()
834 		hostapd_logger(iface->bss[0], NULL, HOSTAPD_MODULE_IEEE80211,  in hostapd_notify_bad_chans()
839 	hostapd_logger(iface->bss[0], NULL,  in hostapd_notify_bad_chans()
844 		       iface->conf->channel,  in hostapd_notify_bad_chans()
845 		       iface->current_mode->mode,  in hostapd_notify_bad_chans()
846 		       hostapd_hw_mode_txt(iface->current_mode->mode));  in hostapd_notify_bad_chans()
847 	hostapd_logger(iface->bss[0], NULL, HOSTAPD_MODULE_IEEE80211,  in hostapd_notify_bad_chans()
853 int hostapd_acs_completed(struct hostapd_iface *iface, int err)  in hostapd_acs_completed()  argument
860 	switch (hostapd_check_chans(iface)) {  in hostapd_acs_completed()
862 		wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO,  in hostapd_acs_completed()
864 			hostapd_hw_get_freq(iface->bss[0],  in hostapd_acs_completed()
865 					    iface->conf->channel),  in hostapd_acs_completed()
866 			iface->conf->channel);  in hostapd_acs_completed()
870 		wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, ACS_EVENT_FAILED);  in hostapd_acs_completed()
871 		hostapd_notify_bad_chans(iface);  in hostapd_acs_completed()
876 		wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, ACS_EVENT_FAILED);  in hostapd_acs_completed()
877 		hostapd_notify_bad_chans(iface);  in hostapd_acs_completed()
881 	ret = hostapd_check_ht_capab(iface);  in hostapd_acs_completed()
891 	return hostapd_setup_interface_complete(iface, ret);  in hostapd_acs_completed()
903 int hostapd_select_hw_mode(struct hostapd_iface *iface)  in hostapd_select_hw_mode()  argument
907 	if (iface->num_hw_features < 1)  in hostapd_select_hw_mode()
910 	if ((iface->conf->hw_mode == HOSTAPD_MODE_IEEE80211G ||  in hostapd_select_hw_mode()
911 	     iface->conf->ieee80211n || iface->conf->ieee80211ac) &&  in hostapd_select_hw_mode()
912 	    iface->conf->channel == 14) {  in hostapd_select_hw_mode()
914 		iface->conf->hw_mode = HOSTAPD_MODE_IEEE80211B;  in hostapd_select_hw_mode()
915 		iface->conf->ieee80211n = 0;  in hostapd_select_hw_mode()
916 		iface->conf->ieee80211ac = 0;  in hostapd_select_hw_mode()
919 	iface->current_mode = NULL;  in hostapd_select_hw_mode()
920 	for (i = 0; i < iface->num_hw_features; i++) {  in hostapd_select_hw_mode()
921 		struct hostapd_hw_modes *mode = &iface->hw_features[i];  in hostapd_select_hw_mode()
922 		if (mode->mode == iface->conf->hw_mode) {  in hostapd_select_hw_mode()
923 			iface->current_mode = mode;  in hostapd_select_hw_mode()
928 	if (iface->current_mode == NULL) {  in hostapd_select_hw_mode()
929 		if (!(iface->drv_flags & WPA_DRIVER_FLAGS_ACS_OFFLOAD) ||  in hostapd_select_hw_mode()
930 		    !(iface->drv_flags & WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY))  in hostapd_select_hw_mode()
934 			hostapd_logger(iface->bss[0], NULL,  in hostapd_select_hw_mode()
938 				       (int) iface->conf->hw_mode);  in hostapd_select_hw_mode()
943 	switch (hostapd_check_chans(iface)) {  in hostapd_select_hw_mode()
950 		hostapd_notify_bad_chans(iface);  in hostapd_select_hw_mode()
975 	return hw_get_freq(hapd->iface->current_mode, chan);  in hostapd_hw_get_freq()
981 	return hw_get_chan(hapd->iface->current_mode, freq);  in hostapd_hw_get_channel()