Cumulative patch from commit 538922a628d4f5403b9a96b171a59235bcb3d921

538922a dbus: Add boolean AllowRoam option to Scan() method options dictionary
c6f5dec Don't start second scan when changing scan interval
cd3b070 nl80211: Fix DFS radar event parsing
2b72df6 nl80211: Free BSS structure even if netdev does not exists
41cc50d nl80211: Update send_action_cookie on AP-offchannel-TX path
313424d GAS: Add support for multiple pending queries for the same destination
cbc5484 GAS: Do not start new scan operation during an ongoing GAS query
c377514 GAS: Delay GAS query Tx while scanning/connecting
24c694b GAS: Delay GAS query Tx while another query is in progress
7255983 WPS: Clear after_wps from number of new locations
73b54d6 P2P: Fix Operating Channel in Invitation Request for operating group
dc46fd6 P2P: Cancel offchannel TX wait on Invitation Response RX
0c92963 D-Bus: Clean up debug print for P2P invitation result
8d82c21 P2P: Fix PD retry channel on join-a-group case
d285888 P2P: Add GO BSS entry details to debug log on join-a-group
512629a P2P: Accept Invitation Response non-success without Channel List
e241b1b eap_proxy: Fix IMSI fetch for home vs. visited network determination
db13605 EAP-AKA/AKA' peer: Allow external USIM processing to be used
569ccf7 EAP-SIM peer: Allow external SIM processing to be used
84dc137 hlr_auc_gw: Add GSM-AUTH-REQ command
a5d44ac EAP peer: Add framework for external SIM/USIM processing
7e8bc7d eapol_test: Initialize BSS lists
bceb843 Send CTRL-RSP command response before processing EAPOL update
b607796 eapol_test: Fix external EAP request mechanism
94de082 eapol_test: Initialize wpa_s->global to fix ctrl_iface
f07bba3 Android: Add dfs.c into build
0cf0af2 WNM: Set Disassoc Imminent flag in ESS Disassoc Imminent frame
f47c145 Interworking: Add required_roaming_consortium parameter for credentials
a83e574 GAS: Update timeout from TX status handler
e88060e HTTP server: Allow TCP socket to be reused
9bc3386 Add test option for specifying hardcoded BSS Load element
9c7e43a Define BSS Load element id
56f5af4 Interworking: Add support for QoS Mapping functionality for the STA
850e1c2 atheros: Add support for QoS Mapping configuration
c551700 Interworking: Add support for QoS Mapping functionality for the AP
ac1bc54 Interworking: Add domain_suffix_match for credentials
463c8ff Interworking: Add support for multiple home FQDNs
01f809c Add AAA server domain name suffix matching constraint
be7963b OpenSSL: Fix code indentation in OCSP processing
899cc14 hostapd: Add support for DFS with 160 MHz channel width
6de0e0c Mark DFS functions static and rename them
58b73e3 hostapd: DFS with 40/80 MHz channel width support
846de15 DFS: Add more parameters to radar events
04e8003 nl80211: Use struct hostapd_freq_params with start_dfs_cac
72c753d hostapd: Split hostapd_set_freq to helper function
e76da50 hostapd: Add AP DFS support

Change-Id: Ie9ed4662ba6d81e6d8b14bccb29ffa192becf0f2
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/ap/hostapd.c b/src/ap/hostapd.c
index 575ef2a..3bca385 100644
--- a/src/ap/hostapd.c
+++ b/src/ap/hostapd.c
@@ -32,6 +32,7 @@
 #include "ap_config.h"
 #include "p2p_hostapd.h"
 #include "gas_serv.h"
+#include "dfs.h"
 
 
 static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason);
@@ -931,6 +932,9 @@
 				   "be completed in a callback");
 			return 0;
 		}
+
+		if (iface->conf->ieee80211h)
+			wpa_printf(MSG_DEBUG, "DFS support is enabled");
 	}
 	return hostapd_setup_interface_complete(iface, 0);
 }
@@ -950,12 +954,23 @@
 
 	wpa_printf(MSG_DEBUG, "Completing interface initialization");
 	if (hapd->iconf->channel) {
+#ifdef NEED_AP_MLME
+		int res;
+#endif /* NEED_AP_MLME */
+
 		iface->freq = hostapd_hw_get_freq(hapd, hapd->iconf->channel);
 		wpa_printf(MSG_DEBUG, "Mode: %s  Channel: %d  "
 			   "Frequency: %d MHz",
 			   hostapd_hw_mode_txt(hapd->iconf->hw_mode),
 			   hapd->iconf->channel, iface->freq);
 
+#ifdef NEED_AP_MLME
+		/* Check DFS */
+		res = hostapd_handle_dfs(hapd);
+		if (res <= 0)
+			return res;
+#endif /* NEED_AP_MLME */
+
 		if (hostapd_set_freq(hapd, hapd->iconf->hw_mode, iface->freq,
 				     hapd->iconf->channel,
 				     hapd->iconf->ieee80211n,