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Commit da92e077 authored by Chris Manton's avatar Chris Manton
Browse files

legacy: Introduce stack/include/bt_hdr 

Bug: 193830619
Test: gd/cert/run
Tag: #refactor

Change-Id: I2e1ee0b2a6559cc0a599dc3cedf9802ac1c0f7f0
parent 7126c81a

system/stack/include/bt_hdr.h

0 → 100644
+58 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2021 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



#pragma once



#ifdef __cplusplus

#include <cstddef>

#include <cstdint>

#else

#include <stddef.h>

#include <stdint.h>

#endif  // _cplusplus



/* Define the header of each buffer used in the Bluetooth stack.

 */

typedef struct {

  uint16_t event;

  uint16_t len;

  uint16_t offset;

  uint16_t layer_specific;

  uint8_t data[];

} BT_HDR;



typedef struct {

  uint16_t event;

  uint16_t len;

  uint16_t offset;

  uint16_t layer_specific;

  // Note: Removal of flexible array member with no specified size.

  // This struct may be embedded in any position within other structs

  // and will not trigger various flexible member compilation issues.

} BT_HDR_RIGID;



#ifdef __cplusplus

template <typename T>

T* ToPacketData(BT_HDR* bt_hdr, size_t offset = 0) {

  return reinterpret_cast<T*>(bt_hdr->data + bt_hdr->offset + offset);

}

template <typename T>

const T* ToPacketData(const BT_HDR* bt_hdr, size_t offset = 0) {

  return reinterpret_cast<const T*>(bt_hdr->data + bt_hdr->offset + offset);

}

#endif  // __cplusplus



#define BT_HDR_SIZE (sizeof(BT_HDR))

system/stack/include/bt_types.h

+1 −33
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 
#endif  // __cplusplus



#include "stack/include/bt_device_type.h"

#include "stack/include/bt_hdr.h"



/* READ WELL !!

 *
@@ -83,39 +84,6 @@ 
#define BT_ISO_HDR_CONTAINS_TS (0x0001)

#define BT_ISO_HDR_OFFSET_POINTS_DATA (0x0002)



/* Define the header of each buffer used in the Bluetooth stack.

 */

typedef struct {

  uint16_t event;

  uint16_t len;

  uint16_t offset;

  uint16_t layer_specific;

  uint8_t data[];

} BT_HDR;



typedef struct {

  uint16_t event;

  uint16_t len;

  uint16_t offset;

  uint16_t layer_specific;

  // Note: Removal of flexible array member with no specified size.

  // This struct may be embedded in any position within other structs

  // and will not trigger various flexible member compilation issues.

} BT_HDR_RIGID;



#ifdef __cplusplus

template <typename T>

T* ToPacketData(BT_HDR* bt_hdr, size_t offset = 0) {

  return reinterpret_cast<T*>(bt_hdr->data + bt_hdr->offset + offset);

}

template <typename T>

const T* ToPacketData(const BT_HDR* bt_hdr, size_t offset = 0) {

  return reinterpret_cast<const T*>(bt_hdr->data + bt_hdr->offset + offset);

}

#endif  // __cplusplus



#define BT_HDR_SIZE (sizeof(BT_HDR))



enum {

  BT_PSM_SDP = 0x0001,

  BT_PSM_RFCOMM = 0x0003,