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Commit d1f74f94 authored by Chris Manton's avatar Chris Manton Committed by Automerger Merge Worker
Browse files

gd: Add flushable attribute to packets am: 05390f6a 

Original change: https://android-review.googlesource.com/c/platform/system/bt/+/1683479

Change-Id: I8067192b2ddc59e5193d99a9d0593965f5bc03d5
parents 1c877bd6 05390f6a

system/gd/hci/acl_manager/round_robin_scheduler.cc

+4 −2
Original line number Diff line number Diff line
@@ -138,8 +138,10 @@ void RoundRobinScheduler::buffer_packet(std::map<uint16_t, acl_queue_handler>::i 


  ConnectionType connection_type = acl_queue_handler->second.connection_type_;

  size_t mtu = connection_type == ConnectionType::CLASSIC ? hci_mtu_ : le_hci_mtu_;

  // TODO(b/178752129): Make A2DP and Hearing Aid audio packets flushable

  PacketBoundaryFlag packet_boundary_flag = PacketBoundaryFlag::FIRST_NON_AUTOMATICALLY_FLUSHABLE;

  PacketBoundaryFlag packet_boundary_flag = (packet->IsFlushable())

                                                ? PacketBoundaryFlag::FIRST_AUTOMATICALLY_FLUSHABLE

                                                : PacketBoundaryFlag::FIRST_NON_AUTOMATICALLY_FLUSHABLE;



  int acl_priority = acl_queue_handler->second.high_priority_ ? 1 : 0;

  if (packet->size() <= mtu) {

    fragments_to_send_.push(

system/gd/packet/base_packet_builder.h

+10 −0
Original line number Diff line number Diff line
@@ -38,8 +38,18 @@ class BasePacketBuilder { 
  // Write to the vector with the given iterator.

  virtual void Serialize(BitInserter& it) const = 0;



  void SetFlushable(bool is_flushable) {

    is_flushable_ = is_flushable;

  }

  bool IsFlushable() const {

    return is_flushable_;

  }



 protected:

  BasePacketBuilder() = default;



 private:

  bool is_flushable_{false};

};



}  // namespace packet

system/main/shim/acl_api.cc

+3 −2
Original line number Diff line number Diff line
@@ -55,9 +55,10 @@ void bluetooth::shim::ACL_IgnoreLeConnectionFrom( 
}



void bluetooth::shim::ACL_WriteData(uint16_t handle, BT_HDR* p_buf) {

  bool is_flushable = false;

  std::unique_ptr<bluetooth::packet::RawBuilder> packet =

      MakeUniquePacket(p_buf->data + p_buf->offset + HCI_DATA_PREAMBLE_SIZE,

                       p_buf->len - HCI_DATA_PREAMBLE_SIZE);

                       p_buf->len - HCI_DATA_PREAMBLE_SIZE, is_flushable);

  Stack::GetInstance()->GetAcl()->WriteData(handle, std::move(packet));

  osi_free(p_buf);

}

system/main/shim/helpers.h

+2 −1
Original line number Diff line number Diff line
@@ -104,11 +104,12 @@ inline tBLE_BD_ADDR ToLegacyAddressWithType( 
}



inline std::unique_ptr<bluetooth::packet::RawBuilder> MakeUniquePacket(

    const uint8_t* data, size_t len) {

    const uint8_t* data, size_t len, bool is_flushable) {

  bluetooth::packet::RawBuilder builder;

  std::vector<uint8_t> bytes(data, data + len);

  auto payload = std::make_unique<bluetooth::packet::RawBuilder>();

  payload->AddOctets(bytes);

  payload->SetFlushable(is_flushable);

  return payload;

}

system/main/shim/l2c_api.cc

+10 −7
Original line number Diff line number Diff line
@@ -776,8 +776,9 @@ uint8_t L2CA_DataWrite(uint16_t cid, BT_HDR* p_data) { 
  }

  auto len = p_data->len;

  auto* data = p_data->data + p_data->offset;

  uint8_t sent_length = classic_dynamic_channel_helper_map_[psm]->send(

                            cid, MakeUniquePacket(data, len)) *

  uint8_t sent_length =

      classic_dynamic_channel_helper_map_[psm]->send(

          cid, MakeUniquePacket(data, len, false /* flushable */)) *

      len;

  osi_free(p_data);

  return sent_length;
@@ -1013,7 +1014,8 @@ uint16_t L2CA_SendFixedChnlData(uint16_t cid, const RawAddress& rem_bda, 
  auto* helper = &le_fixed_channel_helper_.find(cid)->second;

  auto len = p_buf->len;

  auto* data = p_buf->data + p_buf->offset;

  bool sent = helper->send(ToGdAddress(rem_bda), MakeUniquePacket(data, len));

  bool sent = helper->send(ToGdAddress(rem_bda),

                           MakeUniquePacket(data, len, false /* flushable */));

  osi_free(p_buf);

  return sent ? L2CAP_DW_SUCCESS : L2CAP_DW_FAILED;

}
@@ -1563,8 +1565,9 @@ uint8_t L2CA_LECocDataWrite(uint16_t cid, BT_HDR* p_data) { 
  }

  auto len = p_data->len;

  auto* data = p_data->data + p_data->offset;

  uint8_t sent_length = le_dynamic_channel_helper_map_[psm]->send(

                            cid, MakeUniquePacket(data, len)) *

  uint8_t sent_length =

      le_dynamic_channel_helper_map_[psm]->send(

          cid, MakeUniquePacket(data, len, false /* flushable */)) *

      len;

  osi_free(p_data);

  return sent_length;