RootCanal: Implement HCI LE Request Peer SCA command

Required by the LE Audio in Android which performs the
command which checking the supported bit;
the stack crashes when it receives a Command Complete event
instead of Command Status

Bug: 286588829
Test: m root-canal
Change-Id: Iaecc31a9d1ab822796d6a2fb74a4be9af737ee1b

3 files changed, 39 insertions, 3 deletions

diff --git a/tools/rootcanal/model/controller/controller_properties.cc b/tools/rootcanal/model/controller/controller_properties.cc
index dcc20006e2..b54772c2c2 100644
--- a/tools/rootcanal/model/controller/controller_properties.cc
+++ b/tools/rootcanal/model/controller/controller_properties.cc
@@ -386,8 +386,8 @@ static std::array<uint8_t, 64> SupportedCommands() {
       // OpCodeIndex::LE_TERMINATE_BIG,
       // OpCodeIndex::LE_BIG_CREATE_SYNC,
       // OpCodeIndex::LE_BIG_TERMINATE_SYNC,
-      // OpCodeIndex::LE_REQUEST_PEER_SCA,
-      OpCodeIndex::LE_SETUP_ISO_DATA_PATH, OpCodeIndex::LE_REMOVE_ISO_DATA_PATH,
+      OpCodeIndex::LE_REQUEST_PEER_SCA, OpCodeIndex::LE_SETUP_ISO_DATA_PATH,
+      OpCodeIndex::LE_REMOVE_ISO_DATA_PATH,
       // OpCodeIndex::LE_ISO_TRANSMIT_TEST,
       // OpCodeIndex::LE_ISO_RECEIVE_TEST,
       // OpCodeIndex::LE_ISO_READ_TEST_COUNTERS,
@@ -1802,6 +1802,7 @@ static std::vector<OpCodeIndex> ll_connected_isochronous_stream_commands_ = {
     OpCodeIndex::LE_REJECT_CIS_REQUEST,
     OpCodeIndex::LE_SETUP_ISO_DATA_PATH,
     OpCodeIndex::LE_REMOVE_ISO_DATA_PATH,
+    OpCodeIndex::LE_REQUEST_PEER_SCA,
 };
 
 static void SetLLFeatureBit(uint64_t& le_features, LLFeaturesBits bit,
diff --git a/tools/rootcanal/model/controller/dual_mode_controller.cc b/tools/rootcanal/model/controller/dual_mode_controller.cc
index d96913ed40..173d466063 100644
--- a/tools/rootcanal/model/controller/dual_mode_controller.cc
+++ b/tools/rootcanal/model/controller/dual_mode_controller.cc
@@ -1816,6 +1816,38 @@ void DualModeController::LeSetEventMask(CommandView command) {
       kNumCommandPackets, ErrorCode::SUCCESS));
 }
 
+void DualModeController::LeRequestPeerSca(CommandView command) {
+  auto command_view = bluetooth::hci::LeRequestPeerScaView::Create(command);
+  ASSERT(command_view.IsValid());
+  uint16_t connection_handle = command_view.GetConnectionHandle();
+
+  DEBUG(id_, "<< LE Request Peer SCA");
+  DEBUG(id_, "   connection_handle=0x{:x}", connection_handle);
+
+  // If the Host sends this command and the peer device does not support the
+  // Sleep Clock Accuracy Updates feature, the Controller shall return the error
+  // code Unsupported Feature or Parameter Value (0x11) in the HCI_LE_-
+  // Request_Peer_SCA_Complete event.
+  // TODO
+
+  // If the Host issues this command when the Controller is aware (e.g., through
+  // a previous feature exchange) that the peer device's Link Layer does not
+  // support the Sleep Clock Accuracy Updates feature, the Controller shall
+  // return the error code Unsupported Remote Feature (0x1A).
+  // TODO
+
+  if (link_layer_controller_.HasAclConnection(connection_handle)) {
+    send_event_(bluetooth::hci::LeRequestPeerScaStatusBuilder::Create(
+        ErrorCode::SUCCESS, kNumCommandPackets));
+    send_event_(bluetooth::hci::LeRequestPeerScaCompleteBuilder::Create(
+        ErrorCode::SUCCESS, connection_handle,
+        bluetooth::hci::ClockAccuracy::PPM_500));
+  } else {
+    send_event_(bluetooth::hci::LeRequestPeerScaStatusBuilder::Create(
+        ErrorCode::UNKNOWN_CONNECTION, kNumCommandPackets));
+  }
+}
+
 void DualModeController::LeSetHostFeature(CommandView command) {
   auto command_view = bluetooth::hci::LeSetHostFeatureView::Create(command);
   ASSERT(command_view.IsValid());
@@ -4234,7 +4266,7 @@ const std::unordered_map<OpCode, DualModeController::CommandHandler>
         //{OpCode::LE_BIG_CREATE_SYNC, &DualModeController::LeBigCreateSync},
         //{OpCode::LE_BIG_TERMINATE_SYNC,
         //&DualModeController::LeBigTerminateSync},
-        //{OpCode::LE_REQUEST_PEER_SCA, &DualModeController::LeRequestPeerSca},
+        {OpCode::LE_REQUEST_PEER_SCA, &DualModeController::LeRequestPeerSca},
         {OpCode::LE_SETUP_ISO_DATA_PATH, &DualModeController::ForwardToLl},
         {OpCode::LE_REMOVE_ISO_DATA_PATH, &DualModeController::ForwardToLl},
         //{OpCode::LE_ISO_TRANSMIT_TEST,
diff --git a/tools/rootcanal/model/controller/dual_mode_controller.h b/tools/rootcanal/model/controller/dual_mode_controller.h
index 3cdb5f3445..c591ca98ae 100644
--- a/tools/rootcanal/model/controller/dual_mode_controller.h
+++ b/tools/rootcanal/model/controller/dual_mode_controller.h
@@ -496,6 +496,9 @@ class DualModeController : public Device {
   // 7.8.77
   void LeSetPrivacyMode(CommandView command);
 
+  // 7.8.108
+  void LeRequestPeerSca(CommandView command);
+
   // 7.8.115
   void LeSetHostFeature(CommandView command);