Wifi: Add getConnectionCapabilities API

This commit adds the API for getConnectionCapabilities() in
ISupplicantStaIface HAL. This is used to return the Wifi support
for the connection on this STA interface.

Bug: 138634524
Bug: 140168755
Test: Manual
Test: VTS test
Change-Id: I24ff3c16434067e41491298e41041bdfdf06452a
diff --git a/current.txt b/current.txt
index 87649d2..9ab1967 100644
--- a/current.txt
+++ b/current.txt
@@ -589,12 +589,12 @@
 74049a402be913963edfdd80828a53736570e9d8124a1bf18166b6ed46a6b0ab android.hardware.boot@1.1::types
 34515afa2bb792d3c6d8495a5f5d907d179c8507ca5e55c10050d02ae1d516ef android.hardware.neuralnetworks@1.3::IDevice
 b74fe72cfe438f50e772e6a307657ff449d5bde83c15dd1f140ff2edbe73499c android.hardware.neuralnetworks@1.3::types
-04395b26be33db17747c3d3b0e8066d323f891ff4f9f3b3ddb490b2f3f844a18 android.hardware.wifi@1.4::IWifi
-270f0eb670dfd9bc5cd718e09711f2534fa8425f54d06c1a46523ca156b509e2 android.hardware.wifi.supplicant@1.3::ISupplicant
-dd4b7cfbb6e1c6ff011c33920762ad89dd02240c63a4d3a3d5037f154eae3e3b android.hardware.wifi.supplicant@1.3::ISupplicantStaIface
-619fc9839ec6e369cfa9b28e3e9412e6885720ff8f9b5750c1b6ffb905120391 android.hardware.wifi.supplicant@1.3::ISupplicantStaIfaceCallback
-6fe09b18e913608579638594788198ec45bb2369e567d7df661db46c4f0e5f08 android.hardware.wifi.supplicant@1.3::ISupplicantStaNetwork
-91931b05bd70ea6bdffbe075086183f803379571788564e28854207620eb75cf android.hardware.wifi.supplicant@1.3::types
 544049dcda3f943ad67d83d5277f06681a3782982a9af5a78b5d4e8d295d061a android.hardware.vibrator@1.4::IVibrator
 5e1c12efbbba89c9143d10b1b90eceff8bc79aa079f5106215b528e104fef101 android.hardware.vibrator@1.4::IVibratorCallback
 033eae03c09ebc75e82db37bc39995dfaa9086745577b44d9e14e9ccb48bd8cc android.hardware.vibrator@1.4::types
+3e01d4446cd69fd1c48f8572efd97487bc179564b32bd795800b97bbe10be37b android.hardware.wifi@1.4::IWifi
+a64467bae843569f0d465c5be7f0c7a5b987985b55a3ef4794dd5afc68538650 android.hardware.wifi.supplicant@1.3::ISupplicant
+0a7ff83fd0326b82232e1609da98f34960be11335df72fc407ad238d7bd0e081 android.hardware.wifi.supplicant@1.3::ISupplicantStaIface
+619fc9839ec6e369cfa9b28e3e9412e6885720ff8f9b5750c1b6ffb905120391 android.hardware.wifi.supplicant@1.3::ISupplicantStaIfaceCallback
+c9273429fcf98d797d3bb07fdba6f1be95bf960f9255cde169fd1ca4db85f856 android.hardware.wifi.supplicant@1.3::ISupplicantStaNetwork
+b0f8c9cd61a45a8c1b4a8e40913ecaea0921011cbe2305a6fa5a2feaa0d36c30 android.hardware.wifi.supplicant@1.3::types
diff --git a/wifi/1.4/IWifi.hal b/wifi/1.4/IWifi.hal
index f4bc618..765e09d 100644
--- a/wifi/1.4/IWifi.hal
+++ b/wifi/1.4/IWifi.hal
@@ -24,5 +24,4 @@
  * module loaded in the system.
  * IWifi.getChip() must return @1.2::IWifiChip
  */
-interface IWifi extends @1.3::IWifi {
-};
+interface IWifi extends @1.3::IWifi {};
diff --git a/wifi/supplicant/1.3/ISupplicant.hal b/wifi/supplicant/1.3/ISupplicant.hal
index 75b7e96..246ce1f 100644
--- a/wifi/supplicant/1.3/ISupplicant.hal
+++ b/wifi/supplicant/1.3/ISupplicant.hal
@@ -26,5 +26,4 @@
  * 1.2 HAL. For example V1_2::ISupplicant::addIface() adds V1_2::ISupplicantIface,
  * which can be cast to V1_3::ISupplicantStaIface.
  */
-interface ISupplicant extends @1.2::ISupplicant {
-};
+interface ISupplicant extends @1.2::ISupplicant {};
diff --git a/wifi/supplicant/1.3/ISupplicantStaIface.hal b/wifi/supplicant/1.3/ISupplicantStaIface.hal
index 62b4033..cb207d8 100644
--- a/wifi/supplicant/1.3/ISupplicantStaIface.hal
+++ b/wifi/supplicant/1.3/ISupplicantStaIface.hal
@@ -18,7 +18,7 @@
 
 import @1.0::SupplicantStatus;
 import @1.2::ISupplicantStaIface;
-import @1.3::ISupplicantStaIfaceCallback;
+import ISupplicantStaIfaceCallback;
 
 /**
  * Interface exposed by the supplicant for each station mode network
@@ -43,4 +43,15 @@
      */
     registerCallback_1_3(ISupplicantStaIfaceCallback callback)
         generates (SupplicantStatus status);
+
+    /**
+     * Get Connection capabilities
+     *
+     * @return status Status of the operation, and connection capabilities.
+     *         Possible status codes:
+     *         |SupplicantStatusCode.SUCCESS|,
+     *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+     */
+    getConnectionCapabilities()
+        generates (SupplicantStatus status, ConnectionCapabilities capabilities);
 };
diff --git a/wifi/supplicant/1.3/ISupplicantStaNetwork.hal b/wifi/supplicant/1.3/ISupplicantStaNetwork.hal
index 5e265c6..ab08cff 100644
--- a/wifi/supplicant/1.3/ISupplicantStaNetwork.hal
+++ b/wifi/supplicant/1.3/ISupplicantStaNetwork.hal
@@ -60,6 +60,5 @@
      *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
      *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
      */
-    setPmkCache(vec<uint8_t> serializedEntry)
-        generates (SupplicantStatus status);
+    setPmkCache(vec<uint8_t> serializedEntry) generates (SupplicantStatus status);
 };
diff --git a/wifi/supplicant/1.3/types.hal b/wifi/supplicant/1.3/types.hal
index a782b49..7874399 100644
--- a/wifi/supplicant/1.3/types.hal
+++ b/wifi/supplicant/1.3/types.hal
@@ -25,3 +25,36 @@
     REQUIRE_CERT_STATUS,
     REQUIRE_ALL_CERTS_STATUS,
 };
+
+/**
+ * Wifi Technologies
+ */
+enum WifiTechnology : uint32_t {
+    UNKNOWN = 0,
+    /**
+     * For 802.11a/b/g
+     */
+    LEGACY = 1,
+    /**
+     * For 802.11n
+     */
+    HT = 2,
+    /**
+     * For 802.11ac
+     */
+    VHT = 3,
+    /**
+     * For 802.11ax
+     */
+    HE = 4,
+};
+
+/**
+ * Connection Capabilities.
+ */
+struct ConnectionCapabilities {
+    /**
+     * Wifi Technology
+     */
+    WifiTechnology technology;
+};
diff --git a/wifi/supplicant/1.3/vts/functional/supplicant_sta_iface_hidl_test.cpp b/wifi/supplicant/1.3/vts/functional/supplicant_sta_iface_hidl_test.cpp
index 9b68a47..62f3228 100644
--- a/wifi/supplicant/1.3/vts/functional/supplicant_sta_iface_hidl_test.cpp
+++ b/wifi/supplicant/1.3/vts/functional/supplicant_sta_iface_hidl_test.cpp
@@ -37,6 +37,7 @@
 using ::android::hardware::wifi::supplicant::V1_2::DppAkm;
 using ::android::hardware::wifi::supplicant::V1_2::DppFailureCode;
 using ::android::hardware::wifi::supplicant::V1_2::DppProgressCode;
+using ::android::hardware::wifi::supplicant::V1_3::ConnectionCapabilities;
 using ::android::hardware::wifi::supplicant::V1_3::ISupplicantStaIface;
 using ::android::hardware::wifi::supplicant::V1_3::ISupplicantStaIfaceCallback;
 using ::android::hardware::wifi::supplicant::V1_3::ISupplicantStaNetwork;
@@ -179,3 +180,14 @@
             EXPECT_EQ(SupplicantStatusCode::SUCCESS, status.code);
         });
 }
+
+/*
+ * getConnectionCapabilities
+ */
+TEST_F(SupplicantStaIfaceHidlTest, GetConnectionCapabilities) {
+    sta_iface_->getConnectionCapabilities(
+        [&](const SupplicantStatus& status,
+            ConnectionCapabilities /* capabilities */) {
+            EXPECT_EQ(SupplicantStatusCode::SUCCESS, status.code);
+        });
+}