Merge "Wifi: WAPI HAL skeleton"
diff --git a/hostapd/Android.mk b/hostapd/Android.mk
index d0b6b85..eb01da5 100644
--- a/hostapd/Android.mk
+++ b/hostapd/Android.mk
@@ -1119,6 +1119,7 @@
 LOCAL_MODULE_TAGS := optional
 LOCAL_PROPRIETARY_MODULE := true
 LOCAL_MODULE_RELATIVE_PATH := hw
+LOCAL_VINTF_FRAGMENTS := android.hardware.wifi.hostapd.xml
 ifdef CONFIG_DRIVER_CUSTOM
 LOCAL_STATIC_LIBRARIES := libCustomWifi
 endif
@@ -1136,6 +1137,7 @@
 ifeq ($(HOSTAPD_USE_HIDL), y)
 LOCAL_SHARED_LIBRARIES += android.hardware.wifi.hostapd@1.0
 LOCAL_SHARED_LIBRARIES += android.hardware.wifi.hostapd@1.1
+LOCAL_SHARED_LIBRARIES += android.hardware.wifi.hostapd@1.2
 LOCAL_SHARED_LIBRARIES += libbase libhidlbase libutils
 LOCAL_STATIC_LIBRARIES += libhostapd_hidl
 endif
@@ -1178,13 +1180,14 @@
 LOCAL_CPPFLAGS := $(L_CPPFLAGS)
 LOCAL_CFLAGS := $(L_CFLAGS)
 LOCAL_C_INCLUDES := $(INCLUDES)
-HIDL_INTERFACE_VERSION = 1.1
+HIDL_INTERFACE_VERSION = 1.2
 LOCAL_SRC_FILES := \
     hidl/$(HIDL_INTERFACE_VERSION)/hidl.cpp \
     hidl/$(HIDL_INTERFACE_VERSION)/hostapd.cpp
 LOCAL_SHARED_LIBRARIES := \
     android.hardware.wifi.hostapd@1.0 \
     android.hardware.wifi.hostapd@1.1 \
+    android.hardware.wifi.hostapd@1.2 \
     libbase \
     libhidlbase \
     libutils \
diff --git a/hostapd/android.hardware.wifi.hostapd.xml b/hostapd/android.hardware.wifi.hostapd.xml
new file mode 100644
index 0000000..4dc1701
--- /dev/null
+++ b/hostapd/android.hardware.wifi.hostapd.xml
@@ -0,0 +1,11 @@
+<manifest version="1.0" type="device">
+    <hal format="hidl">
+        <name>android.hardware.wifi.hostapd</name>
+        <transport>hwbinder</transport>
+        <version>1.2</version>
+        <interface>
+            <name>IHostapd</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+</manifest>
diff --git a/hostapd/hidl/1.1/hostapd.h b/hostapd/hidl/1.1/hostapd.h
deleted file mode 100644
index e2b4ba8..0000000
--- a/hostapd/hidl/1.1/hostapd.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * hidl interface for wpa_hostapd daemon
- * Copyright (c) 2004-2018, Jouni Malinen <j@w1.fi>
- * Copyright (c) 2004-2018, Roshan Pius <rpius@google.com>
- *
- * This software may be distributed under the terms of the BSD license.
- * See README for more details.
- */
-
-#ifndef HOSTAPD_HIDL_SUPPLICANT_H
-#define HOSTAPD_HIDL_SUPPLICANT_H
-
-#include <string>
-
-#include <android-base/macros.h>
-
-#include <android/hardware/wifi/hostapd/1.1/IHostapd.h>
-#include <android/hardware/wifi/hostapd/1.1/IHostapdCallback.h>
-
-extern "C"
-{
-#include "utils/common.h"
-#include "utils/includes.h"
-#include "utils/wpa_debug.h"
-#include "ap/hostapd.h"
-}
-
-namespace android {
-namespace hardware {
-namespace wifi {
-namespace hostapd {
-namespace V1_1 {
-namespace implementation {
-using namespace android::hardware::wifi::hostapd::V1_0;
-
-/**
- * Implementation of the hostapd hidl object. This hidl
- * object is used core for global control operations on
- * hostapd.
- */
-class Hostapd : public V1_1::IHostapd
-{
-public:
-	Hostapd(hapd_interfaces* interfaces);
-	~Hostapd() override = default;
-
-	// Hidl methods exposed.
-	Return<void> addAccessPoint(
-	    const V1_0::IHostapd::IfaceParams& iface_params,
-	    const NetworkParams& nw_params, addAccessPoint_cb _hidl_cb) override;
-	Return<void> addAccessPoint_1_1(
-	    const IfaceParams& iface_params, const NetworkParams& nw_params,
-	    addAccessPoint_cb _hidl_cb) override;
-	Return<void> removeAccessPoint(
-	    const hidl_string& iface_name,
-	    removeAccessPoint_cb _hidl_cb) override;
-	Return<void> terminate() override;
-	Return<void> registerCallback(
-	    const sp<IHostapdCallback>& callback,
-	    registerCallback_cb _hidl_cb) override;
-
-private:
-	// Corresponding worker functions for the HIDL methods.
-	HostapdStatus addAccessPointInternal(
-	    const V1_0::IHostapd::IfaceParams& iface_params,
-	    const NetworkParams& nw_params);
-	HostapdStatus addAccessPointInternal_1_1(
-	    const IfaceParams& IfaceParams, const NetworkParams& nw_params);
-	HostapdStatus removeAccessPointInternal(const std::string& iface_name);
-	HostapdStatus registerCallbackInternal(
-	    const sp<IHostapdCallback>& callback);
-
-	// Raw pointer to the global structure maintained by the core.
-	struct hapd_interfaces* interfaces_;
-	// Callbacks registered.
-	std::vector<sp<IHostapdCallback>> callbacks_;
-
-	DISALLOW_COPY_AND_ASSIGN(Hostapd);
-};
-}  // namespace implementation
-}  // namespace V1_1
-}  // namespace hostapd
-}  // namespace wifi
-}  // namespace hardware
-}  // namespace android
-
-#endif  // HOSTAPD_HIDL_SUPPLICANT_H
diff --git a/hostapd/hidl/1.1/hidl.cpp b/hostapd/hidl/1.2/hidl.cpp
similarity index 93%
rename from hostapd/hidl/1.1/hidl.cpp
rename to hostapd/hidl/1.2/hidl.cpp
index 2051e7b..4bde312 100644
--- a/hostapd/hidl/1.1/hidl.cpp
+++ b/hostapd/hidl/1.2/hidl.cpp
@@ -22,8 +22,8 @@
 
 using android::hardware::configureRpcThreadpool;
 using android::hardware::IPCThreadState;
-using android::hardware::wifi::hostapd::V1_1::IHostapd;
-using android::hardware::wifi::hostapd::V1_1::implementation::Hostapd;
+using android::hardware::wifi::hostapd::V1_2::IHostapd;
+using android::hardware::wifi::hostapd::V1_2::implementation::Hostapd;
 
 // This file is a bridge between the hostapd code written in 'C' and the HIDL
 // interface in C++. So, using "C" style static globals here!
diff --git a/hostapd/hidl/1.1/hidl.h b/hostapd/hidl/1.2/hidl.h
similarity index 100%
rename from hostapd/hidl/1.1/hidl.h
rename to hostapd/hidl/1.2/hidl.h
diff --git a/hostapd/hidl/1.1/hidl_return_util.h b/hostapd/hidl/1.2/hidl_return_util.h
similarity index 83%
rename from hostapd/hidl/1.1/hidl_return_util.h
rename to hostapd/hidl/1.2/hidl_return_util.h
index d914ee2..81742f8 100644
--- a/hostapd/hidl/1.1/hidl_return_util.h
+++ b/hostapd/hidl/1.2/hidl_return_util.h
@@ -16,7 +16,7 @@
 namespace hardware {
 namespace wifi {
 namespace hostapd {
-namespace V1_1 {
+namespace V1_2 {
 namespace implementation {
 namespace hidl_return_util {
 
@@ -25,18 +25,17 @@
  * HIDL interface object.
  */
 // Use for HIDL methods which return only an instance of HostapdStatus.
-template <typename ObjT, typename WorkFuncT, typename... Args>
+template <typename ObjT, typename WorkFuncT, typename StatusT, typename... Args>
 Return<void> call(
     ObjT* obj, WorkFuncT&& work,
-    const std::function<void(const HostapdStatus&)>& hidl_cb, Args&&... args)
+    const std::function<void(const StatusT&)>& hidl_cb, Args&&... args)
 {
 	hidl_cb((obj->*work)(std::forward<Args>(args)...));
 	return Void();
 }
-
 }  // namespace hidl_return_util
 }  // namespace implementation
-}  // namespace V1_1
+}  // namespace V1_2
 }  // namespace hostapd
 }  // namespace wifi
 }  // namespace hardware
diff --git a/hostapd/hidl/1.1/hostapd.cpp b/hostapd/hidl/1.2/hostapd.cpp
similarity index 67%
rename from hostapd/hidl/1.1/hostapd.cpp
rename to hostapd/hidl/1.2/hostapd.cpp
index 0298537..2b7fd15 100644
--- a/hostapd/hidl/1.1/hostapd.cpp
+++ b/hostapd/hidl/1.2/hostapd.cpp
@@ -33,7 +33,7 @@
 using android::base::RemoveFileIfExists;
 using android::base::StringPrintf;
 using android::base::WriteStringToFile;
-using android::hardware::wifi::hostapd::V1_1::IHostapd;
+using android::hardware::wifi::hostapd::V1_2::IHostapd;
 
 std::string WriteHostapdConfig(
     const std::string& interface_name, const std::string& config)
@@ -126,13 +126,13 @@
 	}
 
 	std::string channel_config_as_string;
-	if (iface_params.V1_0.channelParams.enableAcs) {
+	if (iface_params.V1_1.V1_0.channelParams.enableAcs) {
 		std::string chanlist_as_string;
 		for (const auto &range :
-		     iface_params.channelParams.acsChannelRanges) {
+		     iface_params.V1_1.channelParams.acsChannelRanges) {
 			if (range.start != range.end) {
 				chanlist_as_string +=
-					StringPrintf("%d-%d ", range.start, range.end);
+				    StringPrintf("%d-%d ", range.start, range.end);
 			} else {
 				chanlist_as_string += StringPrintf("%d ", range.start);
 			}
@@ -141,39 +141,47 @@
 		    "channel=0\n"
 		    "acs_exclude_dfs=%d\n"
 		    "chanlist=%s",
-		    iface_params.V1_0.channelParams.acsShouldExcludeDfs,
+		    iface_params.V1_1.V1_0.channelParams.acsShouldExcludeDfs,
 		    chanlist_as_string.c_str());
 	} else {
 		channel_config_as_string = StringPrintf(
-		    "channel=%d", iface_params.V1_0.channelParams.channel);
+		    "channel=%d", iface_params.V1_1.V1_0.channelParams.channel);
 	}
 
 	// Hw Mode String
+	// TODO: b/146186687 Still missing the handling when 6GHz band is included
 	std::string hw_mode_as_string;
 	std::string ht_cap_vht_oper_chwidth_as_string;
-	switch (iface_params.V1_0.channelParams.band) {
-	case IHostapd::Band::BAND_2_4_GHZ:
-		hw_mode_as_string = "hw_mode=g";
-		break;
-	case IHostapd::Band::BAND_5_GHZ:
-		hw_mode_as_string = "hw_mode=a";
-		if (iface_params.V1_0.channelParams.enableAcs) {
-			ht_cap_vht_oper_chwidth_as_string =
-			    "ht_capab=[HT40+]\n"
-			    "vht_oper_chwidth=1";
+	unsigned int band = 0;
+	if (iface_params.V1_1.V1_0.channelParams.enableAcs) {
+		band |= iface_params.channelParams.bandMask;
+	} else {
+		band |= iface_params.V1_1.V1_0.channelParams.band;
+	}
+
+	if ((band & IHostapd::BandMask::BAND_2_GHZ) != 0) {
+		if ((band & IHostapd::BandMask::BAND_5_GHZ) != 0) {
+			hw_mode_as_string = "hw_mode=any";
+			if (iface_params.V1_1.V1_0.channelParams.enableAcs) {
+				ht_cap_vht_oper_chwidth_as_string =
+				    "ht_capab=[HT40+]\n"
+				    "vht_oper_chwidth=1";
+			}
+		} else {
+			hw_mode_as_string = "hw_mode=g";
 		}
-		break;
-	case IHostapd::Band::BAND_ANY:
-		hw_mode_as_string = "hw_mode=any";
-		if (iface_params.V1_0.channelParams.enableAcs) {
-			ht_cap_vht_oper_chwidth_as_string =
-			    "ht_capab=[HT40+]\n"
-			    "vht_oper_chwidth=1";
+	} else {
+		if ((band & IHostapd::BandMask::BAND_5_GHZ) != 0) {
+			hw_mode_as_string = "hw_mode=a";
+			if (iface_params.V1_1.V1_0.channelParams.enableAcs) {
+				ht_cap_vht_oper_chwidth_as_string =
+				    "ht_capab=[HT40+]\n"
+				    "vht_oper_chwidth=1";
+			}
+		} else {
+			wpa_printf(MSG_ERROR, "Invalid band");
+			return "";
 		}
-		break;
-	default:
-		wpa_printf(MSG_ERROR, "Invalid band");
-		return "";
 	}
 
 	return StringPrintf(
@@ -187,15 +195,17 @@
 	    "%s\n"
 	    "ieee80211n=%d\n"
 	    "ieee80211ac=%d\n"
+	    "ieee80211ax=%d\n"
 	    "%s\n"
 	    "%s\n"
 	    "ignore_broadcast_ssid=%d\n"
 	    "wowlan_triggers=any\n"
 	    "%s\n",
-	    iface_params.V1_0.ifaceName.c_str(), ssid_as_string.c_str(),
+	    iface_params.V1_1.V1_0.ifaceName.c_str(), ssid_as_string.c_str(),
 	    channel_config_as_string.c_str(),
-	    iface_params.V1_0.hwModeParams.enable80211N ? 1 : 0,
-	    iface_params.V1_0.hwModeParams.enable80211AC ? 1 : 0,
+	    iface_params.V1_1.V1_0.hwModeParams.enable80211N ? 1 : 0,
+	    iface_params.V1_1.V1_0.hwModeParams.enable80211AC ? 1 : 0,
+	    iface_params.hwModeParams.enable80211AX ? 1 : 0,
 	    hw_mode_as_string.c_str(), ht_cap_vht_oper_chwidth_as_string.c_str(),
 	    nw_params.isHidden ? 1 : 0, encryption_config_as_string.c_str());
 }
@@ -224,7 +234,7 @@
 namespace hardware {
 namespace wifi {
 namespace hostapd {
-namespace V1_1 {
+namespace V1_2 {
 namespace implementation {
 using hidl_return_util::call;
 using namespace android::hardware::wifi::hostapd::V1_0;
@@ -242,14 +252,23 @@
 }
 
 Return<void> Hostapd::addAccessPoint_1_1(
-    const IfaceParams& iface_params, const NetworkParams& nw_params,
-    addAccessPoint_cb _hidl_cb)
+    const V1_1::IHostapd::IfaceParams& iface_params,
+    const NetworkParams& nw_params, addAccessPoint_cb _hidl_cb)
 {
 	return call(
 	    this, &Hostapd::addAccessPointInternal_1_1, _hidl_cb, iface_params,
 	    nw_params);
 }
 
+Return<void> Hostapd::addAccessPoint_1_2(
+    const IfaceParams& iface_params, const NetworkParams& nw_params,
+    addAccessPoint_1_2_cb _hidl_cb)
+{
+	return call(
+	    this, &Hostapd::addAccessPointInternal_1_2, _hidl_cb, iface_params,
+	    nw_params);
+}
+
 Return<void> Hostapd::removeAccessPoint(
     const hidl_string& iface_name, removeAccessPoint_cb _hidl_cb)
 {
@@ -265,26 +284,43 @@
 }
 
 Return<void> Hostapd::registerCallback(
-    const sp<IHostapdCallback>& callback, registerCallback_cb _hidl_cb)
+    const sp<V1_1::IHostapdCallback>& callback, registerCallback_cb _hidl_cb)
 {
 	return call(
 	    this, &Hostapd::registerCallbackInternal, _hidl_cb, callback);
 }
 
-HostapdStatus Hostapd::addAccessPointInternal(
+Return<void> Hostapd::forceClientDisconnect(
+    const hidl_string& iface_name, const hidl_array<uint8_t, 6>& client_address,
+    V1_2::Ieee80211ReasonCode reason_code, forceClientDisconnect_cb _hidl_cb)
+{
+	return call(
+	    this, &Hostapd::forceClientDisconnectInternal, _hidl_cb, iface_name,
+	    client_address, reason_code);
+}
+
+
+V1_0::HostapdStatus Hostapd::addAccessPointInternal(
     const V1_0::IHostapd::IfaceParams& iface_params,
     const NetworkParams& nw_params)
 {
-	return {HostapdStatusCode::FAILURE_UNKNOWN, ""};
+	return {V1_0::HostapdStatusCode::FAILURE_UNKNOWN, ""};
 }
 
-HostapdStatus Hostapd::addAccessPointInternal_1_1(
+V1_0::HostapdStatus Hostapd::addAccessPointInternal_1_1(
+    const V1_1::IHostapd::IfaceParams& iface_params,
+    const NetworkParams& nw_params)
+{
+	return {V1_0::HostapdStatusCode::FAILURE_UNKNOWN, ""};
+}
+
+HostapdStatus Hostapd::addAccessPointInternal_1_2(
     const IfaceParams& iface_params, const NetworkParams& nw_params)
 {
-	if (hostapd_get_iface(interfaces_, iface_params.V1_0.ifaceName.c_str())) {
+	if (hostapd_get_iface(interfaces_, iface_params.V1_1.V1_0.ifaceName.c_str())) {
 		wpa_printf(
 		    MSG_ERROR, "Interface %s already present",
-		    iface_params.V1_0.ifaceName.c_str());
+		    iface_params.V1_1.V1_0.ifaceName.c_str());
 		return {HostapdStatusCode::FAILURE_IFACE_EXISTS, ""};
 	}
 	const auto conf_params = CreateHostapdConfig(iface_params, nw_params);
@@ -293,13 +329,13 @@
 		return {HostapdStatusCode::FAILURE_ARGS_INVALID, ""};
 	}
 	const auto conf_file_path =
-	    WriteHostapdConfig(iface_params.V1_0.ifaceName, conf_params);
+	    WriteHostapdConfig(iface_params.V1_1.V1_0.ifaceName, conf_params);
 	if (conf_file_path.empty()) {
 		wpa_printf(MSG_ERROR, "Failed to write config file");
 		return {HostapdStatusCode::FAILURE_UNKNOWN, ""};
 	}
 	std::string add_iface_param_str = StringPrintf(
-	    "%s config=%s", iface_params.V1_0.ifaceName.c_str(),
+	    "%s config=%s", iface_params.V1_1.V1_0.ifaceName.c_str(),
 	    conf_file_path.c_str());
 	std::vector<char> add_iface_param_vec(
 	    add_iface_param_str.begin(), add_iface_param_str.end() + 1);
@@ -310,7 +346,7 @@
 		return {HostapdStatusCode::FAILURE_UNKNOWN, ""};
 	}
 	struct hostapd_data* iface_hapd =
-	    hostapd_get_iface(interfaces_, iface_params.V1_0.ifaceName.c_str());
+	    hostapd_get_iface(interfaces_, iface_params.V1_1.V1_0.ifaceName.c_str());
 	WPA_ASSERT(iface_hapd != nullptr && iface_hapd->iface != nullptr);
 	// Register the setup complete callbacks
 	on_setup_complete_internal_callback =
@@ -332,13 +368,13 @@
 	if (hostapd_enable_iface(iface_hapd->iface) < 0) {
 		wpa_printf(
 		    MSG_ERROR, "Enabling interface %s failed",
-		    iface_params.V1_0.ifaceName.c_str());
+		    iface_params.V1_1.V1_0.ifaceName.c_str());
 		return {HostapdStatusCode::FAILURE_UNKNOWN, ""};
 	}
 	return {HostapdStatusCode::SUCCESS, ""};
 }
 
-HostapdStatus Hostapd::removeAccessPointInternal(const std::string& iface_name)
+V1_0::HostapdStatus Hostapd::removeAccessPointInternal(const std::string& iface_name)
 {
 	std::vector<char> remove_iface_param_vec(
 	    iface_name.begin(), iface_name.end() + 1);
@@ -347,20 +383,42 @@
 		wpa_printf(
 		    MSG_ERROR, "Removing interface %s failed",
 		    iface_name.c_str());
-		return {HostapdStatusCode::FAILURE_UNKNOWN, ""};
+		return {V1_0::HostapdStatusCode::FAILURE_UNKNOWN, ""};
 	}
-	return {HostapdStatusCode::SUCCESS, ""};
+	return {V1_0::HostapdStatusCode::SUCCESS, ""};
 }
 
-HostapdStatus Hostapd::registerCallbackInternal(
-    const sp<IHostapdCallback>& callback)
+V1_0::HostapdStatus Hostapd::registerCallbackInternal(
+    const sp<V1_1::IHostapdCallback>& callback)
 {
 	callbacks_.push_back(callback);
-	return {HostapdStatusCode::SUCCESS, ""};
+	return {V1_0::HostapdStatusCode::SUCCESS, ""};
+}
+
+V1_2::HostapdStatus Hostapd::forceClientDisconnectInternal(const std::string& iface_name,
+    const std::array<uint8_t, 6>& client_address, V1_2::Ieee80211ReasonCode reason_code)
+{
+	struct hostapd_data *hapd = hostapd_get_iface(interfaces_, iface_name.c_str());
+	struct sta_info *sta;
+	if (!hapd) {
+		wpa_printf(MSG_ERROR, "Interface %s doesn't exist", iface_name.c_str());
+		return {V1_2::HostapdStatusCode::FAILURE_IFACE_UNKNOWN, ""};
+	}
+	for (sta = hapd->sta_list; sta; sta = sta->next) {
+		int res;
+		res = memcmp(sta->addr, client_address.data(), ETH_ALEN);
+		if (res == 0) {
+			wpa_printf(MSG_INFO, "Force client:" MACSTR " disconnect with reason: %d",
+			    MAC2STR(client_address.data()), (uint16_t) reason_code);
+			ap_sta_disconnect(hapd, sta, sta->addr, (uint16_t) reason_code);
+			return {V1_2::HostapdStatusCode::SUCCESS, ""};
+		}
+	}
+	return {V1_2::HostapdStatusCode::FAILURE_CLIENT_UNKNOWN, ""};
 }
 
 }  // namespace implementation
-}  // namespace V1_1
+}  // namespace V1_2
 }  // namespace hostapd
 }  // namespace wifi
 }  // namespace hardware
diff --git a/hostapd/hidl/1.2/hostapd.h b/hostapd/hidl/1.2/hostapd.h
new file mode 100644
index 0000000..eea00cb
--- /dev/null
+++ b/hostapd/hidl/1.2/hostapd.h
@@ -0,0 +1,100 @@
+/*
+ * hidl interface for wpa_hostapd daemon
+ * Copyright (c) 2004-2018, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004-2018, Roshan Pius <rpius@google.com>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#ifndef HOSTAPD_HIDL_SUPPLICANT_H
+#define HOSTAPD_HIDL_SUPPLICANT_H
+
+#include <string>
+
+#include <android-base/macros.h>
+
+#include <android/hardware/wifi/hostapd/1.2/IHostapd.h>
+#include <android/hardware/wifi/hostapd/1.1/IHostapdCallback.h>
+
+extern "C"
+{
+#include "utils/common.h"
+#include "utils/includes.h"
+#include "utils/wpa_debug.h"
+#include "ap/hostapd.h"
+#include "ap/sta_info.h"
+}
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace hostapd {
+namespace V1_2 {
+namespace implementation {
+using namespace android::hardware::wifi::hostapd::V1_0;
+
+/**
+ * Implementation of the hostapd hidl object. This hidl
+ * object is used core for global control operations on
+ * hostapd.
+ */
+class Hostapd : public V1_2::IHostapd
+{
+public:
+	Hostapd(hapd_interfaces* interfaces);
+	~Hostapd() override = default;
+
+	// Hidl methods exposed.
+	Return<void> addAccessPoint(
+	    const V1_0::IHostapd::IfaceParams& iface_params,
+	    const V1_0::IHostapd::NetworkParams& nw_params, addAccessPoint_cb _hidl_cb) override;
+	Return<void> addAccessPoint_1_1(
+	    const V1_1::IHostapd::IfaceParams& iface_params,
+	    const V1_0::IHostapd::NetworkParams& nw_params, addAccessPoint_cb _hidl_cb) override;
+	Return<void> addAccessPoint_1_2(
+	    const V1_2::IHostapd::IfaceParams& iface_params, const NetworkParams& nw_params,
+	    addAccessPoint_1_2_cb _hidl_cb) override;
+	Return<void> removeAccessPoint(
+	    const hidl_string& iface_name,
+	    removeAccessPoint_cb _hidl_cb) override;
+	Return<void> terminate() override;
+	Return<void> registerCallback(
+	    const sp<V1_1::IHostapdCallback>& callback,
+	    registerCallback_cb _hidl_cb) override;
+	Return<void>forceClientDisconnect(
+	    const hidl_string& iface_name,
+	    const hidl_array<uint8_t, 6>& client_address,
+	    V1_2::Ieee80211ReasonCode reason_code, forceClientDisconnect_cb _hidl_cb) override;
+private:
+	// Corresponding worker functions for the HIDL methods.
+	V1_0::HostapdStatus addAccessPointInternal(
+	    const V1_0::IHostapd::IfaceParams& iface_params,
+	    const V1_0::IHostapd::NetworkParams& nw_params);
+	V1_0::HostapdStatus addAccessPointInternal_1_1(
+	    const V1_1::IHostapd::IfaceParams& IfaceParams,
+	    const V1_0::IHostapd::NetworkParams& nw_params);
+	V1_2::HostapdStatus addAccessPointInternal_1_2(
+	    const V1_2::IHostapd::IfaceParams& IfaceParams,
+	    const V1_0::IHostapd::NetworkParams& nw_params);
+	V1_0::HostapdStatus removeAccessPointInternal(const std::string& iface_name);
+	V1_0::HostapdStatus registerCallbackInternal(
+	    const sp<V1_1::IHostapdCallback>& callback);
+	V1_2::HostapdStatus forceClientDisconnectInternal(
+	    const std::string& iface_name,
+	    const std::array<uint8_t, 6>& client_address,
+	    V1_2::Ieee80211ReasonCode reason_code);
+	// Raw pointer to the global structure maintained by the core.
+	struct hapd_interfaces* interfaces_;
+	// Callbacks registered.
+	std::vector<sp<V1_1::IHostapdCallback>> callbacks_;
+	DISALLOW_COPY_AND_ASSIGN(Hostapd);
+};
+}  // namespace implementation
+}  // namespace V1_2
+}  // namespace hostapd
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android
+
+#endif  // HOSTAPD_HIDL_SUPPLICANT_H
diff --git a/hostapd/hostapd.android.rc b/hostapd/hostapd.android.rc
index c8792d6..512ca0d 100644
--- a/hostapd/hostapd.android.rc
+++ b/hostapd/hostapd.android.rc
@@ -14,6 +14,7 @@
 service hostapd /vendor/bin/hw/hostapd
     interface android.hardware.wifi.hostapd@1.0::IHostapd default
     interface android.hardware.wifi.hostapd@1.1::IHostapd default
+    interface android.hardware.wifi.hostapd@1.2::IHostapd default
     class main
     capabilities NET_ADMIN NET_RAW
     user wifi
diff --git a/wpa_supplicant/hidl/1.3/p2p_iface.cpp b/wpa_supplicant/hidl/1.3/p2p_iface.cpp
index 225305d..12459f8 100644
--- a/wpa_supplicant/hidl/1.3/p2p_iface.cpp
+++ b/wpa_supplicant/hidl/1.3/p2p_iface.cpp
@@ -225,7 +225,7 @@
 	size_t ielen;
 	unsigned int bands;
 
-	if (!wpa_s->global->p2p) {
+	if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) {
 		wpa_printf(MSG_ERROR,
 		    "P2P: P2P interface is gone, cancel join scan");
 		return -ENXIO;
@@ -1635,6 +1635,10 @@
 	int vht = wpa_s->conf->p2p_go_vht;
 	int ht40 = wpa_s->conf->p2p_go_ht40 || vht;
 
+	if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) {
+		return {SupplicantStatusCode::FAILURE_IFACE_DISABLED, ""};
+	}
+
 	if (!isSsidValid(ssid)) {
 		return {SupplicantStatusCode::FAILURE_ARGS_INVALID, "SSID is invalid."};
 	}
@@ -1644,10 +1648,6 @@
 	}
 
 	if (!joinExistingGroup) {
-		if (wpa_s->global->p2p == NULL) {
-			return {SupplicantStatusCode::FAILURE_IFACE_DISABLED, ""};
-		}
-
 		struct p2p_data *p2p = wpa_s->global->p2p;
 		os_memcpy(p2p->ssid, ssid.data(), ssid.size());
 		p2p->ssid_len = ssid.size();
@@ -1692,6 +1692,9 @@
 
 	pending_join_scan_callback =
 	    [wpa_s, ssid, freq]() {
+		if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) {
+			return;
+		}
 		int ret = joinScanReq(wpa_s, ssid, freq);
 		// for BUSY case, the scan might be occupied by WiFi.
 		// Do not give up immediately, but try again later.
@@ -1708,7 +1711,7 @@
 	};
 
 	pending_scan_res_join_callback = [wpa_s, ssid, passphrase, peer_address, this]() {
-		if (wpa_s->global->p2p_disabled) {
+		if (wpa_s->global->p2p == NULL || wpa_s->global->p2p_disabled) {
 			return;
 		}