wifi: Add Implementation of IWifiChip.requestChipDebugInfo

Bug: 31352200
Test: mmma -j32 hardware/interfaces/wifi/1.0/default
Change-Id: Id0c02e37dac66de6f830785881cb67f113c0fb19

diff --git a/wifi/1.0/default/wifi_chip.cpp b/wifi/1.0/default/wifi_chip.cpp
index 91cf514..e829924 100644 (file)
--- a/wifi/1.0/default/wifi_chip.cpp
+++ b/wifi/1.0/default/wifi_chip.cpp
@@ -70,7 +70,29 @@ Return<uint32_t> WifiChip::getMode() {
 Return<void> WifiChip::requestChipDebugInfo() {
   if (!legacy_hal_.lock())
     return Void();
-  // TODO add implementation
+
+  IWifiChipEventCallback::ChipDebugInfo result;
+
+  std::pair<wifi_error, std::string> ret =
+      legacy_hal_.lock()->getWlanDriverVersion();
+  if (ret.first != WIFI_SUCCESS) {
+    LOG(ERROR) << "Failed to get driver version: "
+               << LegacyErrorToString(ret.first);
+    return Void();
+  }
+  result.driverDescription = ret.second.c_str();
+
+  ret = legacy_hal_.lock()->getWlanFirmwareVersion();
+  if (ret.first != WIFI_SUCCESS) {
+    LOG(ERROR) << "Failed to get firmware version: "
+               << LegacyErrorToString(ret.first);
+    return Void();
+  }
+  result.firmwareDescription = ret.second.c_str();
+
+  for (const auto& callback : callbacks_) {
+    callback->onChipDebugInfoAvailable(result);
+  }
   return Void();
 }
 

diff --git a/wifi/1.0/default/wifi_legacy_hal.cpp b/wifi/1.0/default/wifi_legacy_hal.cpp
index e755fea..e3ae109 100644 (file)
--- a/wifi/1.0/default/wifi_legacy_hal.cpp
+++ b/wifi/1.0/default/wifi_legacy_hal.cpp
@@ -49,6 +49,8 @@ namespace wifi {
 namespace V1_0 {
 namespace implementation {
 
+const uint32_t WifiLegacyHal::kMaxVersionStringLength = 256;
+
 WifiLegacyHal::WifiLegacyHal()
     : global_handle_(nullptr),
       wlan_interface_handle_(nullptr),
@@ -102,6 +104,22 @@ wifi_error WifiLegacyHal::stop(
   return WIFI_SUCCESS;
 }
 
+std::pair<wifi_error, std::string> WifiLegacyHal::getWlanDriverVersion() {
+  std::array<char, kMaxVersionStringLength> buffer;
+  buffer.fill(0);
+  wifi_error status = global_func_table_.wifi_get_driver_version(
+      wlan_interface_handle_, buffer.data(), buffer.size());
+  return std::make_pair(status, buffer.data());
+}
+
+std::pair<wifi_error, std::string> WifiLegacyHal::getWlanFirmwareVersion() {
+  std::array<char, kMaxVersionStringLength> buffer;
+  buffer.fill(0);
+  wifi_error status = global_func_table_.wifi_get_firmware_version(
+      wlan_interface_handle_, buffer.data(), buffer.size());
+  return std::make_pair(status, buffer.data());
+}
+
 wifi_error WifiLegacyHal::retrieveWlanInterfaceHandle() {
   const std::string& ifname_to_find = getWlanInterfaceName();
 

diff --git a/wifi/1.0/default/wifi_legacy_hal.h b/wifi/1.0/default/wifi_legacy_hal.h
index 1af9f1a..e2a160e 100644 (file)
--- a/wifi/1.0/default/wifi_legacy_hal.h
+++ b/wifi/1.0/default/wifi_legacy_hal.h
@@ -39,8 +39,13 @@ class WifiLegacyHal {
   wifi_error start();
   // Deinitialize the legacy HAL and stop the event looper thread.
   wifi_error stop(const std::function<void()>& on_complete_callback);
+  // Wrappers for all the functions in the legacy HAL function table.
+  std::pair<wifi_error, std::string> getWlanDriverVersion();
+  std::pair<wifi_error, std::string> getWlanFirmwareVersion();
 
  private:
+  static const uint32_t kMaxVersionStringLength;
+
   // Retrieve the interface handle to be used for the "wlan" interface.
   wifi_error retrieveWlanInterfaceHandle();
   // Run the legacy HAL event loop thread.