#include <string.h>
#include <fcntl.h>
#include <linux/if_tun.h>
+#include <linux/if_bridge.h>
#include "connman.h"
#define DBUS_TYPE_UNIX_FD -1
#endif
-#define BRIDGE_PROC_DIR "/proc/sys/net/bridge"
-
#define BRIDGE_NAME "tether"
#define BRIDGE_DNS "8.8.8.8"
const char *__connman_tethering_get_bridge(void)
{
- struct stat st;
+ int sk, err;
+ unsigned long args[3];
- if (stat(BRIDGE_PROC_DIR, &st) < 0) {
- connman_error("Missing support for 802.1d ethernet bridging");
+ sk = socket(AF_INET, SOCK_STREAM, 0);
+ if (sk < 0)
+ return NULL;
+
+ args[0] = BRCTL_GET_VERSION;
+ args[1] = args[2] = 0;
+ err = ioctl(sk, SIOCGIFBR, &args);
+ close(sk);
+ if (err == -1)
return NULL;
- }
return BRIDGE_NAME;
}