Cumulative patch from commit 5e32f8256f5fcce8b70a95e070375ac549ac935a

5e32f82 tests: Verify HS 2.0R2 deauthentication request
b61e70c HS 2.0R2: Add WFA server-only EAP-TLS server method
8d2a992 HS 2.0R2: RADIUS server support to request Subscr Remediation
ae6d15c HS 2.0R2 AP: Add OSU Providers list ANQP element
f7bd7a0 HS 2.0R2 AP: Add Icon Request and Icon binary File ANQP elements
97596f8 HS 2.0R2 AP: Add support for Session Info URL RADIUS AVP
8e1146d HS 2.0R2 AP: Add support for deauthentication request
a14896e HS 2.0R2 AP: Add OSEN implementation
6ca0853 HS 2.0R2 AP: Use Subscr Remediation request from RADIUS server
7bc9c25 HS 2.0R2 AP: Add STA's Hotspot 2.0 Release Number into Access-Request
76579ec HS 2.0R2 AP: Add AP Hotspot 2.0 Release Number as WFA RADIUS VSA
0dd100f HS 2.0R2 AP: Add definition and helper function for WFA RADIUS VSA
3fb17a9 HS 2.0R2 AP: Add WNM-Notification Request for Subscription Remediation
d5d2478 HS 2.0R2 AP: Update HS 2.0 Indication element to Release 2
a6739e1 HS 2.0R2: Try to scan multiple times for OSU providers
cf6d08a Interworking: Add OCSP parameter to the cred block
6402f2f Interworking: Add more debug info on roaming partner preferences
7479489 Interworking: Add sp_priority cred parameter
751ac99 Interworking: Use a helper function to compare cred priority
aff419f Interworking: Remove separate credential priority tracking
533536d HS 2.0R2: Disable full ESS for as a workaround for per-BSS issues
8a77f1b HS 2.0R2: Slow down connection attempts on EAP failures
76a55a8 HS 2.0R2: Add more debug to network selection
8b4b9fb HS 2.0R2: Fix bandwidth policy BSS selection
28f2a7c HS 2.0R2: Allow excluded network to be selected based on user override
33fb8c5 HS 2.0R2: Add support for Policy/RequiredProtoPortTuple
a45b2dc HS 2.0R2: Add support for Policy/MaximumBSSLoadValue
4cad9df HS 2.0R2: Add support for Policy/MinBackhaulThreshold
aa26ba6 HS 2.0R2: Add tracking of provisioning SP
8e5fdfa HS 2.0R2: Add WFA server-only EAP-TLS peer method
df0f01d HS 2.0R2: Add OSEN client implementation
a5d7563 HS 2.0R2: Add common OSEN definitions
230e373 HS 2.0R2: Add GAS operation duration statistics into debug
b572df8 HS 2.0R2: Add routine for fetching OSU provider information
1d2215f HS 2.0R2: Add OSU Providers list ANQP element
184e110 HS 2.0R2: Add Icon Request and Icon binary File ANQP elements
7ef6947 HS 2.0R2: Add STA support for Deauthentication Request notification
95a3ea9 HS 2.0R2: Add WNM-Notification Request for Subscription Remediation
f9cd147 HS 2.0R2: Update Indication element to Release 2
bc00053 Interworking: Allow roaming partner configuration
ae6f927 nl80211: Add driver capability for GTK_NOT_USED
2c49d04 Do not clear global pmf setting on FLUSH
eef7235 Only try fast reconnect if network is not disabled
3d910ef Interworking: Prefer last added network during network selection
2a33687 P2P: Remove unnecessary ifdef CONFIG_NO_CONFIG_WRITE
050d8b5 Fix documentation for wpa_supplicant_global_ctrl_iface_process()
8c9cb81 DFS: Fix coding style (missing whitespace)
4f1e01b DFS: Add VHT160 available channels
b8058a6 hostapd: DFS allow mixed channels
4db216f wpa_supplicant: Add support for IPv6 with UDP ctrl_iface
e2364d1 hostapd: Deauthenticate clients forbidden by maclist changes
1748f1d hostapd: Make it possible to remove addresses from maclists
064eb05 Add os_remove_in_array()
c1151e4 Force OFDM/HT/VHT to be disabled on channel 14
bfb79dd nl80211: Show regulatory rule flags in debug output
3d7ad2f hostapd: Configure spectrum management capability
e0392f8 hostapd: Add Power Constraint element
891330f Fix spelling s/algorith/algorithm/
f0e30c8 Do not start another connect work while one is pending
3290398 WPS: Fix UNSUBSCRIBE error returns if NT or CALLBACK header is used
f34df28 WPS: Fix UNSUBSCRIBE to return 412 if no SID match found
80f256a WPS: Remove unnecessary filename NULL check

Change-Id: I7dc25a8bb0074f4970ade8d42dfa60da166baf96
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/ap/dfs.c b/src/ap/dfs.c
index ec691db..612f534 100644
--- a/src/ap/dfs.c
+++ b/src/ap/dfs.c
@@ -78,6 +78,11 @@
 	 * 42, 58, 106, 122, 138, 155
 	 */
 	int allowed_80[] = { 36, 52, 100, 116, 132, 149 };
+	/*
+	 * VHT160 valid channels based on center frequency:
+	 * 50, 114
+	 */
+	int allowed_160[] = { 36, 100 };
 	int *allowed = allowed_40;
 	unsigned int i, allowed_no = 0;
 
@@ -90,6 +95,10 @@
 		allowed = allowed_80;
 		allowed_no = ARRAY_SIZE(allowed_80);
 		break;
+	case 8:
+		allowed = allowed_160;
+		allowed_no = ARRAY_SIZE(allowed_160);
+		break;
 	default:
 		wpa_printf(MSG_DEBUG, "Unknown width for %d channels", n_chans);
 		break;
@@ -294,8 +303,15 @@
 
 	mode = iface->current_mode;
 
-	for(i = 0; i < n_chans; i++) {
+	for (i = 0; i < n_chans; i++) {
 		channel = &mode->channels[start_chan_idx + i];
+
+		if (channel->flag & HOSTAPD_CHAN_DISABLED)
+			break;
+
+		if (!(channel->flag & HOSTAPD_CHAN_RADAR))
+			continue;
+
 		if ((channel->flag & HOSTAPD_CHAN_DFS_MASK) !=
 		    HOSTAPD_CHAN_DFS_AVAILABLE)
 			break;
@@ -316,7 +332,7 @@
 
 	mode = iface->current_mode;
 
-	for(i = 0; i < n_chans; i++) {
+	for (i = 0; i < n_chans; i++) {
 		channel = &mode->channels[start_chan_idx + i];
 		if (channel->flag & HOSTAPD_CHAN_DISABLED)
 			res++;
@@ -801,3 +817,23 @@
 		      cf1, cf2, HOSTAPD_CHAN_DFS_USABLE);
 	return 0;
 }
+
+
+int hostapd_is_dfs_required(struct hostapd_iface *iface)
+{
+	int n_chans, start_chan_idx;
+
+	if (!iface->current_mode)
+		return -1;
+
+	/* Get start (first) channel for current configuration */
+	start_chan_idx = dfs_get_start_chan_idx(iface);
+	if (start_chan_idx == -1)
+		return -1;
+
+	/* Get number of used channels, depend on width */
+	n_chans = dfs_get_used_n_chans(iface);
+
+	/* Check if any of configured channels require DFS */
+	return dfs_check_chans_radar(iface, start_chan_idx, n_chans);
+}