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Commit ad93a770 authored by Jakub Pawlowski's avatar Jakub Pawlowski Committed by Automerger Merge Worker
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Merge "gattc: Extend gattc queue with mtu exchange" am: 0c27315d am: b2f8a36d 

Original change: https://android-review.googlesource.com/c/platform/system/bt/+/1554497

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I4ee1d470b03961310ff3d0b01b45fffeee64c445
parents da1e1ef4 b2f8a36d

system/bta/gatt/bta_gattc_act.cc

+6 −0
Original line number Diff line number Diff line
@@ -911,6 +911,8 @@ void bta_gattc_exec_cmpl(tBTA_GATTC_CLCB* p_clcb, tBTA_GATTC_OP_CMPL* p_data) { 
/** configure MTU operation complete */

void bta_gattc_cfg_mtu_cmpl(tBTA_GATTC_CLCB* p_clcb,

                            tBTA_GATTC_OP_CMPL* p_data) {

  GATT_CONFIGURE_MTU_OP_CB cb = p_clcb->p_q_cmd->api_mtu.mtu_cb;

  void* my_cb_data = p_clcb->p_q_cmd->api_mtu.mtu_cb_data;

  tBTA_GATTC cb_data;



  osi_free_and_reset((void**)&p_clcb->p_q_cmd);
@@ -924,6 +926,10 @@ void bta_gattc_cfg_mtu_cmpl(tBTA_GATTC_CLCB* p_clcb, 
  cb_data.cfg_mtu.status = p_data->status;

  cb_data.cfg_mtu.mtu = p_clcb->p_srcb->mtu;



  if (cb) {

    cb(p_clcb->bta_conn_id, p_data->status, my_cb_data);

  }



  (*p_clcb->p_rcb->p_cback)(BTA_GATTC_CFG_MTU_EVT, &cb_data);

}

system/bta/gatt/bta_gattc_api.cc

+13 −0
Original line number Diff line number Diff line
@@ -213,6 +213,19 @@ void BTA_GATTC_ConfigureMTU(uint16_t conn_id, uint16_t mtu) { 


  bta_sys_sendmsg(p_buf);

}

void BTA_GATTC_ConfigureMTU(uint16_t conn_id, uint16_t mtu,

                            GATT_CONFIGURE_MTU_OP_CB callback, void* cb_data) {

  tBTA_GATTC_API_CFG_MTU* p_buf =

      (tBTA_GATTC_API_CFG_MTU*)osi_malloc(sizeof(tBTA_GATTC_API_CFG_MTU));



  p_buf->hdr.event = BTA_GATTC_API_CFG_MTU_EVT;

  p_buf->hdr.layer_specific = conn_id;

  p_buf->mtu = mtu;

  p_buf->mtu_cb = callback;

  p_buf->mtu_cb_data = cb_data;



  bta_sys_sendmsg(p_buf);

}



/*******************************************************************************

 *

system/bta/gatt/bta_gattc_int.h

+2 −0
Original line number Diff line number Diff line
@@ -161,6 +161,8 @@ typedef struct { 
typedef struct {

  BT_HDR hdr;

  uint16_t mtu;

  GATT_CONFIGURE_MTU_OP_CB mtu_cb;

  void* mtu_cb_data;

} tBTA_GATTC_API_CFG_MTU;



typedef struct {

system/bta/gatt/bta_gattc_queue.cc

+41 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ constexpr uint8_t GATT_READ_CHAR = 1; 
constexpr uint8_t GATT_READ_DESC = 2;

constexpr uint8_t GATT_WRITE_CHAR = 3;

constexpr uint8_t GATT_WRITE_DESC = 4;

constexpr uint8_t GATT_CONFIG_MTU = 5;



struct gatt_read_op_data {

  GATT_READ_OP_CB cb;
@@ -80,6 +81,29 @@ void BtaGattQueue::gatt_write_op_finished(uint16_t conn_id, tGATT_STATUS status, 
  }

}



struct gatt_configure_mtu_op_data {

  GATT_CONFIGURE_MTU_OP_CB cb;

  void* cb_data;

};



void BtaGattQueue::gatt_configure_mtu_op_finished(uint16_t conn_id,

                                                  tGATT_STATUS status,

                                                  void* data) {

  gatt_configure_mtu_op_data* tmp = (gatt_configure_mtu_op_data*)data;

  GATT_CONFIGURE_MTU_OP_CB tmp_cb = tmp->cb;

  void* tmp_cb_data = tmp->cb_data;



  osi_free(data);



  mark_as_not_executing(conn_id);

  gatt_execute_next_op(conn_id);



  if (tmp_cb) {

    tmp_cb(conn_id, status, tmp_cb_data);

    return;

  }

}



void BtaGattQueue::gatt_execute_next_op(uint16_t conn_id) {

  APPL_TRACE_DEBUG("%s: conn_id=0x%x", __func__, conn_id);

  if (gatt_op_queue.empty()) {
@@ -137,6 +161,14 @@ void BtaGattQueue::gatt_execute_next_op(uint16_t conn_id) { 
    data->cb_data = op.write_cb_data;

    BTA_GATTC_WriteCharDescr(conn_id, op.handle, std::move(op.value),

                             GATT_AUTH_REQ_NONE, gatt_write_op_finished, data);

  } else if (op.type == GATT_CONFIG_MTU) {

    gatt_configure_mtu_op_data* data =

      (gatt_configure_mtu_op_data*)osi_malloc(sizeof(gatt_configure_mtu_op_data));

    data->cb = op.mtu_cb;

    data->cb_data = op.mtu_cb_data;

    BTA_GATTC_ConfigureMTU(conn_id, static_cast<uint16_t>(op.value[0] |

                                                          (op.value[1] << 8)),

                           gatt_configure_mtu_op_finished, data);

  }



  gatt_ops.pop_front();
@@ -190,3 +222,12 @@ void BtaGattQueue::WriteDescriptor(uint16_t conn_id, uint16_t handle, 
                                    .value = std::move(value)});

  gatt_execute_next_op(conn_id);

}



void BtaGattQueue::ConfigureMtu(uint16_t conn_id, uint16_t mtu) {

  LOG(INFO) << __func__ << ", mtu: " << static_cast<int>(mtu);

  std::vector<uint8_t> value = {static_cast<uint8_t>(mtu & 0xff),

                                static_cast<uint8_t>(mtu >> 8)};

  gatt_op_queue[conn_id].push_back({.type = GATT_CONFIG_MTU,

                                    .value = std::move(value)});

  gatt_execute_next_op(conn_id);

}

system/bta/include/bta_gatt_api.h

+5 −0
Original line number Diff line number Diff line
@@ -601,6 +601,8 @@ typedef void (*GATT_READ_OP_CB)(uint16_t conn_id, tGATT_STATUS status, 
                                void* data);

typedef void (*GATT_WRITE_OP_CB)(uint16_t conn_id, tGATT_STATUS status,

                                 uint16_t handle, void* data);

typedef void (*GATT_CONFIGURE_MTU_OP_CB)(uint16_t conn_id, tGATT_STATUS status,

                                         void* data);



/*******************************************************************************

 *
@@ -808,6 +810,9 @@ extern void BTA_GATTC_Refresh(const RawAddress& remote_bda); 
 *

 ******************************************************************************/

extern void BTA_GATTC_ConfigureMTU(uint16_t conn_id, uint16_t mtu);

extern void BTA_GATTC_ConfigureMTU(uint16_t conn_id, uint16_t mtu,

                                   GATT_CONFIGURE_MTU_OP_CB callback,

                                   void* cb_data);



/*******************************************************************************

 *  BTA GATT Server API