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Commit adfd7aaa authored by Treehugger Robot's avatar Treehugger Robot Committed by Automerger Merge Worker
Browse files

Merge "floss: Get hci index from init flags" am: 73b96272 

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2191236



Change-Id: I01e33fe3a9315e8fa93329e328b2287efe0e9240
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents c6ea0300 73b96272

system/gd/hal/hci_hal_host.cc

+20 −11
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ 
#include <mutex>

#include <queue>



#include "gd/common/init_flags.h"

#include "hal/hci_hal.h"

#include "hal/snoop_logger.h"

#include "metrics/counter_metrics.h"
@@ -61,7 +62,7 @@ constexpr uint16_t HCI_DEV_NONE = 0xffff; 
#define MGMT_EV_INDEX_ADDED 0x0004

#define MGMT_EV_COMMAND_COMP 0x0001

#define MGMT_EV_SIZE_MAX 1024

#define WRITE_NO_INTR(fn) \

#define REPEAT_ON_INTR(fn) \

  do {                     \

  } while ((fn) == -1 && errno == EINTR)
@@ -90,6 +91,7 @@ int waitHciDev(int hci_interface) { 
  struct pollfd fds[1];

  struct mgmt_pkt ev;

  int fd;

  int ret;



  fd = socket(PF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI);

  if (fd < 0) {
@@ -100,8 +102,10 @@ int waitHciDev(int hci_interface) { 
  addr.hci_family = AF_BLUETOOTH;

  addr.hci_dev = HCI_DEV_NONE;

  addr.hci_channel = HCI_CHANNEL_CONTROL;

  if (bind(fd, (struct sockaddr*)&addr, sizeof(addr)) < 0) {

    LOG_ERROR("HCI Channel Control: %s", strerror(errno));



  ret = bind(fd, (struct sockaddr*)&addr, sizeof(addr));

  if (ret < 0) {

    LOG_ERROR("HCI Channel Control: %d %s", errno, strerror(errno));

    close(fd);

    return -1;

  }
@@ -115,7 +119,7 @@ int waitHciDev(int hci_interface) { 
  ev.len = 0;



  ssize_t wrote;

  WRITE_NO_INTR(wrote = write(fd, &ev, 6));

  REPEAT_ON_INTR(wrote = write(fd, &ev, 6));

  if (wrote != 6) {

    LOG_ERROR("Unable to write mgmt command: %s", strerror(errno));

    close(fd);
@@ -124,7 +128,7 @@ int waitHciDev(int hci_interface) { 
  /* validate mentioned hci interface is present and registered with sock system */

  while (1) {

    int n;

    WRITE_NO_INTR(n = poll(fds, 1, -1));

    REPEAT_ON_INTR(n = poll(fds, 1, -1));

    if (n == -1) {

      LOG_ERROR("Poll error: %s", strerror(errno));

      break;
@@ -134,7 +138,7 @@ int waitHciDev(int hci_interface) { 
    }



    if (fds[0].revents & POLLIN) {

      WRITE_NO_INTR(n = read(fd, &ev, sizeof(struct mgmt_pkt)));

      REPEAT_ON_INTR(n = read(fd, &ev, sizeof(struct mgmt_pkt)));

      if (n < 0) {

        LOG_ERROR("Error reading control channel: %s", strerror(errno));

        break;
@@ -167,13 +171,16 @@ int waitHciDev(int hci_interface) { 


// Connect to Linux HCI socket

int ConnectToSocket() {

  int ret = 0;



  int socket_fd = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI);

  if (socket_fd < 1) {

  if (socket_fd < 0) {

    LOG_ERROR("can't create socket: %s", strerror(errno));

    return INVALID_FD;

  }



  int hci_interface = 0;  // Assume we only have HCI 0

  // Determine which hci index we should connect to.

  int hci_interface = bluetooth::common::InitFlags::GetAdapterIndex();



  if (waitHciDev(hci_interface) != 0) {

    ::close(socket_fd);
@@ -185,8 +192,10 @@ int ConnectToSocket() { 
  addr.hci_family = AF_BLUETOOTH;

  addr.hci_dev = hci_interface;

  addr.hci_channel = HCI_CHANNEL_USER;

  if (bind(socket_fd, (struct sockaddr*)&addr, sizeof(addr)) < 0) {

    LOG_ERROR("HCI Channel Control: %s", strerror(errno));



  ret = bind(socket_fd, (struct sockaddr*)&addr, sizeof(addr));

  if (ret < 0) {

    LOG_ERROR("HCI Channel Control: %d %s", errno, strerror(errno));

    ::close(socket_fd);

    return INVALID_FD;

  }