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Commit fb838d54 authored by Jack He's avatar Jack He
Browse files

GD HCI: Pipe VSEs up in shim layer 

* Register known Android VSEs in shim layer
* Pipeline them through data callbacks so that they will
  be handled by btu_hcif_process_event() after beging posted
  to main thread by post_to_main_message_loop()

Tag: #gd-refactor
Bug: 183057550
Test: make, manual test BQR events
Change-Id: I849f02eec35f739f27d16803cea639c5e1ee1147
parent 0e54b03c

system/main/shim/hci_layer.cc

+43 −0
Original line number Diff line number Diff line
@@ -161,6 +161,19 @@ bool is_valid_subevent_code(uint8_t subevent_code_raw) { 
  }

}



bool is_valid_vendor_specific_event(uint8_t vse_code_raw) {

  auto vse_code = static_cast<bluetooth::hci::VseSubeventCode>(vse_code_raw);

  switch (vse_code) {

    case bluetooth::hci::VseSubeventCode::BQR_EVENT:

    case bluetooth::hci::VseSubeventCode::BLE_THRESHOLD:

    case bluetooth::hci::VseSubeventCode::BLE_TRACKING:

    case bluetooth::hci::VseSubeventCode::DEBUG_INFO:

      return true;

    default:

      return false;

  }

}



static bool event_already_registered_in_hci_layer(

    bluetooth::hci::EventCode event_code) {

  switch (event_code) {
@@ -341,6 +354,16 @@ static void subevent_callback( 
                                                     &le_meta_event_view));

}



static void vendor_specific_event_callback(

    bluetooth::hci::VendorSpecificEventView vendor_specific_event_view) {

  if (!send_data_upwards) {

    return;

  }

  send_data_upwards.Run(

      FROM_HERE,

      WrapPacketAndCopy(MSG_HC_TO_STACK_HCI_EVT, &vendor_specific_event_view));

}



void OnTransmitPacketCommandComplete(command_complete_cb complete_callback,

                                     void* context,

                                     bluetooth::hci::CommandCompleteView view) {
@@ -430,6 +453,13 @@ static void register_le_event(bluetooth::hci::SubeventCode subevent_code) { 
      subevent_code, handler->Bind(subevent_callback));

}



static void register_vendor_specific_event(

    bluetooth::hci::VseSubeventCode vse_code) {

  auto handler = bluetooth::shim::GetGdShimHandler();

  bluetooth::shim::GetHciLayer()->RegisterVendorSpecificEventHandler(

      vse_code, handler->Bind(vendor_specific_event_callback));

}



static void acl_data_callback() {

  if (hci_queue_end == nullptr) {

    return;
@@ -759,6 +789,19 @@ void bluetooth::shim::hci_on_reset_complete() { 
    }

  }



  for (uint8_t vse_code_raw = 0; vse_code_raw < 0xFF; vse_code_raw++) {

    if (!is_valid_vendor_specific_event(vse_code_raw)) {

      continue;

    }

    auto vse_code = static_cast<bluetooth::hci::VseSubeventCode>(vse_code_raw);

    if (bluetooth::common::init_flags::gd_rust_is_enabled()) {

      // TODO(b/183057550): Need Rust HCI implementation for VSE

      // ::rust::register_vendor_specific_event(vse_code_raw);

    } else {

      cpp::register_vendor_specific_event(vse_code);

    }

  }



  if (bluetooth::shim::is_gd_acl_enabled()) {

    return;

  }