Accumulative patch from commit 6d28fb9627155929012cda944aacd5a52ce7051a

nl80211: Fetch assoc_freq from scan table for connect event
nl80211: Filter out duplicated BSS table entries from scan results
Update BSS table entry if roaming event indicates frequency change
WPS: Remove obsolete note about lack for WPS ER support
P2P: Include operating class 124 (channels 149,153,157,161)
Include nl80211 driver wrapper in default configuration for hostapd
Better messages when channel cannot be used in AP mode
WPS: Add a workaround for Windows 7 capability discovery for PBC
WPS UPnP: Fix UPnP initialization for non-bridge case with some drivers
Fix regression in RSN pre-authentication candidate list generation
  commit 6d28fb9627155929012cda944aacd5a52ce7051a

Change-Id: I3c68dad5fe323b1d86aa585c564a75e4fc1a2ea1
diff --git a/src/ap/ap_config.h b/src/ap/ap_config.h
index 25720b8..0a3e76e 100644
--- a/src/ap/ap_config.h
+++ b/src/ap/ap_config.h
@@ -318,6 +318,7 @@
 	char *upc;
 	struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXTENSIONS];
 #endif /* CONFIG_WPS */
+	int pbc_in_m1;
 
 #define P2P_ENABLED BIT(0)
 #define P2P_GROUP_OWNER BIT(1)
diff --git a/src/ap/hostapd.c b/src/ap/hostapd.c
index 4e5eb01..32db668 100644
--- a/src/ap/hostapd.c
+++ b/src/ap/hostapd.c
@@ -784,6 +784,17 @@
 		return -1;
 	}
 
+	/*
+	 * WPS UPnP module can be initialized only when the "upnp_iface" is up.
+	 * If "interface" and "upnp_iface" are the same (e.g., non-bridge
+	 * mode), the interface is up only after driver_commit, so initialize
+	 * WPS after driver_commit.
+	 */
+	for (j = 0; j < iface->num_bss; j++) {
+		if (hostapd_init_wps_complete(iface->bss[j]))
+			return -1;
+	}
+
 	if (hapd->setup_complete_cb)
 		hapd->setup_complete_cb(hapd->setup_complete_cb_ctx);
 
diff --git a/src/ap/hw_features.c b/src/ap/hw_features.c
index f3fffd7..86f6811 100644
--- a/src/ap/hw_features.c
+++ b/src/ap/hw_features.c
@@ -603,7 +603,7 @@
 /**
  * hostapd_select_hw_mode - Select the hardware mode
  * @iface: Pointer to interface data.
- * Returns: 0 on success, -1 on failure
+ * Returns: 0 on success, < 0 on failure
  *
  * Sets up the hardware mode, channel, rates, and passive scanning
  * based on the configuration.
@@ -631,17 +631,23 @@
 			       HOSTAPD_LEVEL_WARNING,
 			       "Hardware does not support configured mode "
 			       "(%d)", (int) iface->conf->hw_mode);
-		return -1;
+		return -2;
 	}
 
 	ok = 0;
 	for (j = 0; j < iface->current_mode->num_channels; j++) {
 		struct hostapd_channel_data *chan =
 			&iface->current_mode->channels[j];
-		if (!(chan->flag & HOSTAPD_CHAN_DISABLED) &&
-		    (chan->chan == iface->conf->channel)) {
-			ok = 1;
-			break;
+		if (chan->chan == iface->conf->channel) {
+			if (chan->flag & HOSTAPD_CHAN_DISABLED) {
+				wpa_printf(MSG_ERROR,
+					   "channel [%i] (%i) is disabled for "
+					   "use in AP mode, flags: 0x%x",
+					   j, chan->chan, chan->flag);
+			} else {
+				ok = 1;
+				break;
+			}
 		}
 	}
 	if (ok && iface->conf->secondary_channel) {
@@ -675,7 +681,7 @@
 		 * the channel automatically */
 		wpa_printf(MSG_ERROR, "Channel not configured "
 			   "(hw_mode/channel in hostapd.conf)");
-		return -1;
+		return -3;
 	}
 	if (ok == 0 && iface->conf->channel != 0) {
 		hostapd_logger(iface->bss[0], NULL,
@@ -693,7 +699,7 @@
 		hostapd_logger(iface->bss[0], NULL, HOSTAPD_MODULE_IEEE80211,
 			       HOSTAPD_LEVEL_WARNING,
 			       "Hardware does not support configured channel");
-		return -1;
+		return -4;
 	}
 
 	return 0;
diff --git a/src/ap/hw_features.h b/src/ap/hw_features.h
index 88c2322..b84bca6 100644
--- a/src/ap/hw_features.h
+++ b/src/ap/hw_features.h
@@ -41,7 +41,7 @@
 
 static inline int hostapd_select_hw_mode(struct hostapd_iface *iface)
 {
-	return -1;
+	return -100;
 }
 
 static inline const char * hostapd_hw_mode_txt(int mode)
diff --git a/src/ap/ieee802_1x.c b/src/ap/ieee802_1x.c
index ac0c127..217f9f9 100644
--- a/src/ap/ieee802_1x.c
+++ b/src/ap/ieee802_1x.c
@@ -1701,6 +1701,7 @@
 	conf.wps = hapd->wps;
 	conf.fragment_size = hapd->conf->fragment_size;
 	conf.pwd_group = hapd->conf->pwd_group;
+	conf.pbc_in_m1 = hapd->conf->pbc_in_m1;
 
 	os_memset(&cb, 0, sizeof(cb));
 	cb.eapol_send = ieee802_1x_eapol_send;
diff --git a/src/ap/wps_hostapd.c b/src/ap/wps_hostapd.c
index fcbd89b..fc927f9 100644
--- a/src/ap/wps_hostapd.c
+++ b/src/ap/wps_hostapd.c
@@ -876,14 +876,6 @@
 	wps->model_description = hapd->conf->model_description;
 	wps->model_url = hapd->conf->model_url;
 	wps->upc = hapd->conf->upc;
-
-	if (hostapd_wps_upnp_init(hapd, wps) < 0) {
-		wpa_printf(MSG_ERROR, "Failed to initialize WPS UPnP");
-		wps_registrar_deinit(wps->registrar);
-		os_free(wps->network_key);
-		os_free(wps);
-		return -1;
-	}
 #endif /* CONFIG_WPS_UPNP */
 
 	hostapd_register_probereq_cb(hapd, hostapd_wps_probe_req_rx, hapd);
@@ -894,6 +886,28 @@
 }
 
 
+int hostapd_init_wps_complete(struct hostapd_data *hapd)
+{
+	struct wps_context *wps = hapd->wps;
+
+	if (hapd->wps == NULL)
+		return 0;
+
+#ifdef CONFIG_WPS_UPNP
+	if (hostapd_wps_upnp_init(hapd, wps) < 0) {
+		wpa_printf(MSG_ERROR, "Failed to initialize WPS UPnP");
+		wps_registrar_deinit(wps->registrar);
+		os_free(wps->network_key);
+		os_free(wps);
+		hapd->wps = NULL;
+		return -1;
+	}
+#endif /* CONFIG_WPS_UPNP */
+
+	return 0;
+}
+
+
 void hostapd_deinit_wps(struct hostapd_data *hapd)
 {
 	eloop_cancel_timeout(hostapd_wps_reenable_ap_pin, hapd, NULL);
diff --git a/src/ap/wps_hostapd.h b/src/ap/wps_hostapd.h
index 338a220..6b28c13 100644
--- a/src/ap/wps_hostapd.h
+++ b/src/ap/wps_hostapd.h
@@ -19,6 +19,7 @@
 
 int hostapd_init_wps(struct hostapd_data *hapd,
 		     struct hostapd_bss_config *conf);
+int hostapd_init_wps_complete(struct hostapd_data *hapd);
 void hostapd_deinit_wps(struct hostapd_data *hapd);
 void hostapd_update_wps(struct hostapd_data *hapd);
 int hostapd_wps_add_pin(struct hostapd_data *hapd, const u8 *addr,
@@ -50,6 +51,11 @@
 {
 }
 
+static inline int hostapd_init_wps_complete(struct hostapd_data *hapd)
+{
+    return 0;
+}
+
 static inline void hostapd_update_wps(struct hostapd_data *hapd)
 {
 }