packet.type = HCI_ACL_DATA_PACKET;
packet.handle = handle | ((PB & 0x03) << 12) | ((BC & 0x03) << 14);
packet.total_length = dlen + 4;
packet.type = HCI_ACL_DATA_PACKET;
packet.handle = handle | ((PB & 0x03) << 12) | ((BC & 0x03) << 14);
packet.total_length = dlen + 4;