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Commit 66bf06ee authored by Sungsoo Lim's avatar Sungsoo Lim
Browse files

Handle HCI setup ESCO connection failures 

The error handling was removed by mistake.

Bug: 215717270
Tag: #refactor
Test: atest CtsBluetoothTestCases net_test_stack_btu
Ignore-AOSP-First: cherry-pick from aosp-master to tm-dev branch
Merged-In: Ie34eca023e419fbc6181d146cb0fa3b052bb0bfb
Change-Id: Ie34eca023e419fbc6181d146cb0fa3b052bb0bfb
parent 38d7e669

system/stack/btm/btm_sco.cc

+70 −57
Original line number Diff line number Diff line
@@ -723,8 +723,8 @@ void btm_sco_conn_req(const RawAddress& bda, const DEV_CLASS& dev_class, 
 * Returns          void

 *

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

void btm_sco_connected(tHCI_STATUS hci_status, const RawAddress& bda,

                       uint16_t hci_handle, tBTM_ESCO_DATA* p_esco_data) {

void btm_sco_connected(const RawAddress& bda, uint16_t hci_handle,

                       tBTM_ESCO_DATA* p_esco_data) {

  tSCO_CONN* p = &btm_cb.sco_cb.sco_db[0];

  uint16_t xx;

  bool spt = false;
@@ -734,7 +734,63 @@ void btm_sco_connected(tHCI_STATUS hci_status, const RawAddress& bda, 
    if (((p->state == SCO_ST_CONNECTING) || (p->state == SCO_ST_LISTENING) ||

         (p->state == SCO_ST_W4_CONN_RSP)) &&

        (p->rem_bd_known) && (p->esco.data.bd_addr == bda)) {

      if (hci_status != HCI_SUCCESS) {

      BTM_LogHistory(

          kBtmLogTag, bda, "Connection created",

          base::StringPrintf("sco_idx:%hu handle:0x%04x ", xx, hci_handle));



      if (p->state == SCO_ST_LISTENING) spt = true;



      p->state = SCO_ST_CONNECTED;

      p->hci_handle = hci_handle;



      BTM_LogHistory(kBtmLogTag, bda, "Connection success",

                     base::StringPrintf("handle:0x%04x %s", hci_handle,

                                        (spt) ? "listener" : "initiator"));



      if (!btm_cb.sco_cb.esco_supported) {

        p->esco.data.link_type = BTM_LINK_TYPE_SCO;

        if (spt) {

          parms.packet_types = p->esco.setup.packet_types;

          /* Keep the other parameters the same for SCO */

          parms.max_latency_ms = p->esco.setup.max_latency_ms;

          parms.retransmission_effort = p->esco.setup.retransmission_effort;



          BTM_ChangeEScoLinkParms(xx, &parms);

        }

      } else {

        if (p_esco_data) p->esco.data = *p_esco_data;

      }



      (*p->p_conn_cb)(xx);



      bluetooth::audio::sco::open();



      return;

    }

  }

}



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

 *

 * Function         btm_sco_connection_failed

 *

 * Description      This function is called by BTIF when an (e)SCO connection

 *                  setup is failed.

 *

 * Returns          void

 *

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

void btm_sco_connection_failed(tHCI_STATUS hci_status, const RawAddress& bda,

                               uint16_t hci_handle,

                               tBTM_ESCO_DATA* p_esco_data) {

  tSCO_CONN* p = &btm_cb.sco_cb.sco_db[0];

  uint16_t xx;



  for (xx = 0; xx < BTM_MAX_SCO_LINKS; xx++, p++) {

    if (((p->state == SCO_ST_CONNECTING) || (p->state == SCO_ST_LISTENING) ||

         (p->state == SCO_ST_W4_CONN_RSP)) &&

        (p->rem_bd_known) &&

        (p->esco.data.bd_addr == bda || bda == RawAddress::kEmpty)) {

      /* Report the error if originator, otherwise remain in Listen mode */

      if (p->is_orig) {

        LOG_DEBUG("SCO initiating connection failed handle:0x%04x reason:%s",
@@ -776,49 +832,6 @@ void btm_sco_connected(tHCI_STATUS hci_status, const RawAddress& bda, 
      }

      return;

    }



      BTM_LogHistory(

          kBtmLogTag, bda, "Connection created",

          base::StringPrintf("sco_idx:%hu handle:0x%04x ", xx, hci_handle));



      if (p->state == SCO_ST_LISTENING) spt = true;



      p->state = SCO_ST_CONNECTED;

      p->hci_handle = hci_handle;



      if (hci_status == HCI_SUCCESS) {

        BTM_LogHistory(kBtmLogTag, bda, "Connection success",

                       base::StringPrintf("handle:0x%04x %s", hci_handle,

                                          (spt) ? "listener" : "initiator"));

      } else {

        BTM_LogHistory(

            kBtmLogTag, bda, "Connection failed",

            base::StringPrintf(

                "reason:%s",

                hci_reason_code_text(static_cast<tHCI_REASON>(hci_status))

                    .c_str()));

      }



      if (!btm_cb.sco_cb.esco_supported) {

        p->esco.data.link_type = BTM_LINK_TYPE_SCO;

        if (spt) {

          parms.packet_types = p->esco.setup.packet_types;

          /* Keep the other parameters the same for SCO */

          parms.max_latency_ms = p->esco.setup.max_latency_ms;

          parms.retransmission_effort = p->esco.setup.retransmission_effort;



          BTM_ChangeEScoLinkParms(xx, &parms);

        }

      } else {

        if (p_esco_data) p->esco.data = *p_esco_data;

      }



      (*p->p_conn_cb)(xx);



      bluetooth::audio::sco::open();



      return;

    }

  }

}

system/stack/btu/btu_hcif.cc

+15 −2
Original line number Diff line number Diff line
@@ -1138,7 +1138,12 @@ static void btu_hcif_esco_connection_comp_evt(const uint8_t* p) { 
  handle = HCID_GET_HANDLE(handle);



  data.bd_addr = bda;

  btm_sco_connected(static_cast<tHCI_STATUS>(status), bda, handle, &data);

  if (status == HCI_SUCCESS) {

    btm_sco_connected(bda, handle, &data);

  } else {

    btm_sco_connection_failed(static_cast<tHCI_STATUS>(status), bda, handle,

                              &data);

  }

}



/*******************************************************************************
@@ -1393,7 +1398,9 @@ static void btu_hcif_hdl_command_status(uint16_t opcode, uint8_t status, 
    case HCI_ENH_SETUP_ESCO_CONNECTION:

      if (status != HCI_SUCCESS) {

        STREAM_TO_UINT16(handle, p_cmd);

        // Determine if initial connection failed or is a change of setup

        RawAddress addr(RawAddress::kEmpty);

        btm_sco_connection_failed(static_cast<tHCI_STATUS>(status), addr,

                                  handle, nullptr);

      }

      break;
@@ -1436,6 +1443,12 @@ static void btu_hcif_hdl_command_status(uint16_t opcode, uint8_t status, 
  }

}



void bluetooth::legacy::testing::btu_hcif_hdl_command_status(

    uint16_t opcode, uint8_t status, const uint8_t* p_cmd,

    void* p_vsc_status_cback) {

  ::btu_hcif_hdl_command_status(opcode, status, p_cmd, p_vsc_status_cback);

}



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

 *

 * Function         btu_hcif_command_status_evt

system/stack/include/btu.h

+5 −0
Original line number Diff line number Diff line
@@ -53,6 +53,11 @@ void btu_hcif_send_cmd_with_cb(const base::Location& posted_from, 
                               uint16_t opcode, uint8_t* params,

                               uint8_t params_len,

                               base::OnceCallback<void(uint8_t*, uint16_t)> cb);

namespace bluetooth::legacy::testing {

void btu_hcif_hdl_command_status(uint16_t opcode, uint8_t status,

                                 const uint8_t* p_cmd,

                                 void* p_vsc_status_cback);

}  // namespace bluetooth::legacy::testing



/* Functions provided by btu_task.cc

 ***********************************

system/stack/include/sco_hci_link_interface.h

+6 −2
Original line number Diff line number Diff line
@@ -30,8 +30,12 @@ extern void btm_sco_chk_pend_unpark(tHCI_STATUS hci_status, 
                                    uint16_t hci_handle);

extern void btm_sco_conn_req(const RawAddress& bda, const DEV_CLASS& dev_class,

                             uint8_t link_type);

extern void btm_sco_connected(tHCI_STATUS hci_status, const RawAddress& bda,

                              uint16_t hci_handle, tBTM_ESCO_DATA* p_esco_data);

extern void btm_sco_connected(const RawAddress& bda, uint16_t hci_handle,

                              tBTM_ESCO_DATA* p_esco_data);

extern void btm_sco_connection_failed(tHCI_STATUS hci_status,

                                      const RawAddress& bda,

                                      uint16_t hci_handle,

                                      tBTM_ESCO_DATA* p_esco_data);

extern bool btm_sco_removed(uint16_t hci_handle, tHCI_REASON reason);



void btm_sco_on_disconnected(uint16_t hci_handle, tHCI_REASON reason);

system/stack/test/stack_btu_test.cc

+19 −1
Original line number Diff line number Diff line
@@ -15,16 +15,34 @@ 
 */



#include <gtest/gtest.h>



#include <cstdint>

#include <map>

#include <string>



#include "stack/include/btu.h"

#include "stack/include/hci_error_code.h"

#include "stack/include/hcidefs.h"



std::map<std::string, int> mock_function_count_map;



/* Function for test provided by btu_hcif.cc */

void btu_hcif_hdl_command_status(uint16_t opcode, uint8_t status,

                                 const uint8_t* p_cmd,

                                 void* p_vsc_status_cback);



void LogMsg(uint32_t trace_set_mask, const char* fmt_str, ...) {}



class StackBtuTest : public ::testing::Test {};

class StackBtuTest : public ::testing::Test {

 protected:

  void SetUp() override { mock_function_count_map.clear(); }

};



TEST_F(StackBtuTest, post_on_main) {}



TEST_F(StackBtuTest, btm_sco_connection_failed_called) {

  uint8_t p_cmd[10];  // garbage data for testing

  bluetooth::legacy::testing::btu_hcif_hdl_command_status(

      HCI_SETUP_ESCO_CONNECTION, HCI_ERR_UNSPECIFIED, p_cmd, nullptr);

  ASSERT_EQ(1, mock_function_count_map["btm_sco_connection_failed"]);

}