356 	int channel_no = iface->conf->channel;  in dfs_get_start_chan_idx()
428 			   mode->num_channels, channel_no, iface->conf->channel,  in dfs_get_start_chan_idx()
447 	struct hostapd_channel_data *channel;  in dfs_check_chans_radar()  local
456 		channel = &mode->channels[start_chan_idx + i];  in dfs_check_chans_radar()
457 		if (channel->flag & HOSTAPD_CHAN_RADAR)  in dfs_check_chans_radar()
469 	struct hostapd_channel_data *channel;  in dfs_check_chans_available()  local
476 		channel = &mode->channels[start_chan_idx + i];  in dfs_check_chans_available()
478 		if (channel->flag & HOSTAPD_CHAN_DISABLED)  in dfs_check_chans_available()
481 		if (!(channel->flag & HOSTAPD_CHAN_RADAR))  in dfs_check_chans_available()
484 		if ((channel->flag & HOSTAPD_CHAN_DFS_MASK) !=  in dfs_check_chans_available()
498 	struct hostapd_channel_data *channel;  in dfs_check_chans_unavailable()  local
505 		channel = &mode->channels[start_chan_idx + i];  in dfs_check_chans_unavailable()
506 		if (channel->flag & HOSTAPD_CHAN_DISABLED)  in dfs_check_chans_unavailable()
508 		if ((channel->flag & HOSTAPD_CHAN_DFS_MASK) ==  in dfs_check_chans_unavailable()
620 	struct hostapd_channel_data *channel;  in dfs_set_valid_channel()  local
624 	channel = dfs_get_valid_channel(iface, &sec, &cf1, &cf2,  in dfs_set_valid_channel()
627 	if (!channel) {  in dfs_set_valid_channel()
632 	iface->freq = channel->freq;  in dfs_set_valid_channel()
633 	iface->conf->channel = channel->chan;  in dfs_set_valid_channel()
802 	struct hostapd_channel_data *channel;  in dfs_get_cac_time()  local
812 		channel = &mode->channels[start_chan_idx + i];  in dfs_get_cac_time()
813 		if (!(channel->flag & HOSTAPD_CHAN_RADAR))  in dfs_get_cac_time()
815 		if (channel->dfs_cac_ms > cac_time_ms)  in dfs_get_cac_time()
816 			cac_time_ms = channel->dfs_cac_ms;  in dfs_get_cac_time()
899 		iface->conf->channel, iface->conf->secondary_channel,  in hostapd_handle_dfs()
906 		iface, iface->conf->hw_mode, iface->freq, iface->conf->channel,  in hostapd_handle_dfs()
922 		iface->radar_background.channel = iface->conf->channel;  in hostapd_handle_dfs()
965 					      int channel, int freq,  in hostapd_dfs_request_channel_switch()  argument
978 	wpa_printf(MSG_DEBUG, "DFS will switch to a new channel %d", channel);  in hostapd_dfs_request_channel_switch()
980 		"freq=%d chan=%d sec_chan=%d", freq, channel,  in hostapd_dfs_request_channel_switch()
1001 				      freq, channel,  in hostapd_dfs_request_channel_switch()
1035 		iface->conf->channel = channel;  in hostapd_dfs_request_channel_switch()
1061 	struct hostapd_channel_data *channel;  in hostapd_dfs_update_background_chain()  local
1072 	channel = dfs_get_valid_channel(iface, &sec, &oper_centr_freq_seg0_idx,  in hostapd_dfs_update_background_chain()
1075 	if (!channel ||  in hostapd_dfs_update_background_chain()
1076 	    channel->chan == iface->conf->channel ||  in hostapd_dfs_update_background_chain()
1077 	    channel->chan == iface->radar_background.channel)  in hostapd_dfs_update_background_chain()
1078 		channel = dfs_downgrade_bandwidth(iface, &sec,  in hostapd_dfs_update_background_chain()
1082 	if (!channel ||  in hostapd_dfs_update_background_chain()
1084 				  channel->freq, channel->chan,  in hostapd_dfs_update_background_chain()
1093 		iface->radar_background.channel = -1;  in hostapd_dfs_update_background_chain()
1097 	iface->radar_background.channel = channel->chan;  in hostapd_dfs_update_background_chain()
1098 	iface->radar_background.freq = channel->freq;  in hostapd_dfs_update_background_chain()
1105 		   __func__, channel->chan, channel->freq);  in hostapd_dfs_update_background_chain()
1113 		iface->radar_background.channel != -1 &&  in hostapd_dfs_is_background_event()
1123 	iface->conf->channel = iface->radar_background.channel;  in hostapd_dfs_start_channel_switch_background()
1135 		iface, iface->conf->channel, iface->freq,  in hostapd_dfs_start_channel_switch_background()
1238 	struct hostapd_channel_data *channel;  in dfs_downgrade_bandwidth()  local
1241 		channel = dfs_get_valid_channel(iface, secondary_channel,  in dfs_downgrade_bandwidth()
1245 		if (channel) {  in dfs_downgrade_bandwidth()
1247 				   channel->chan);  in dfs_downgrade_bandwidth()
1248 			return channel;  in dfs_downgrade_bandwidth()
1273 	struct hostapd_channel_data *channel;  in hostapd_dfs_start_channel_switch_cac()  local
1282 	channel = dfs_get_valid_channel(iface, &secondary_channel,  in hostapd_dfs_start_channel_switch_cac()
1287 	if (!channel) {  in hostapd_dfs_start_channel_switch_cac()
1288 		channel = dfs_downgrade_bandwidth(iface, &secondary_channel,  in hostapd_dfs_start_channel_switch_cac()
1292 		if (!channel) {  in hostapd_dfs_start_channel_switch_cac()
1299 		   channel->chan);  in hostapd_dfs_start_channel_switch_cac()
1301 		"freq=%d chan=%d sec_chan=%d", channel->freq,  in hostapd_dfs_start_channel_switch_cac()
1302 		channel->chan, secondary_channel);  in hostapd_dfs_start_channel_switch_cac()
1304 	iface->freq = channel->freq;  in hostapd_dfs_start_channel_switch_cac()
1305 	iface->conf->channel = channel->chan;  in hostapd_dfs_start_channel_switch_cac()
1349 	if (iface->radar_background.channel == -1)  in hostapd_dfs_background_start_channel_switch()
1367 	struct hostapd_channel_data *channel;  in hostapd_dfs_start_channel_switch()  local
1394 	channel = dfs_get_valid_channel(iface, &secondary_channel,  in hostapd_dfs_start_channel_switch()
1399 	if (!channel) {  in hostapd_dfs_start_channel_switch()
1406 		channel = dfs_downgrade_bandwidth(iface, &secondary_channel,  in hostapd_dfs_start_channel_switch()
1410 		if (!channel) {  in hostapd_dfs_start_channel_switch()
1421 			iface->freq = channel->freq;  in hostapd_dfs_start_channel_switch()
1422 			iface->conf->channel = channel->chan;  in hostapd_dfs_start_channel_switch()
1435 	return hostapd_dfs_request_channel_switch(iface, channel->chan,  in hostapd_dfs_start_channel_switch()
1436 						  channel->freq,  in hostapd_dfs_start_channel_switch()
1502 		   iface->radar_background.channel == -1) {  in hostapd_dfs_nop_finished()