When creating sockets for ioctl() use AF_INET6 or AF_INET

net/base/network_interfaces_linux.h

Index: net/base/network_interfaces_linux.h
diff --git a/net/base/network_interfaces_linux.h b/net/base/network_interfaces_linux.h
index 9dfea10fb3a1f09ecbe184a4076d06e05a17f197..45ad11e9846da6f72cbed87a5b1aa6109feb1b5e 100644
--- a/net/base/network_interfaces_linux.h
+++ b/net/base/network_interfaces_linux.h
@@ -11,6 +11,7 @@
 #include <string>
 #include <unordered_set>
 
+#include "base/files/scoped_file.h"
 #include "net/base/address_tracker_linux.h"
 #include "net/base/net_export.h"
 #include "net/base/network_interfaces.h"
@@ -38,6 +39,9 @@ NET_EXPORT std::string GetWifiSSIDFromInterfaceListInternal(
     const NetworkInterfaceList& interfaces,
     internal::GetInterfaceSSIDFunction get_interface_ssid);
 
+// Returns a socket useful for performing ioctl()s.
+base::ScopedFD GetSocketForIoctl();
+
 }  // namespace internal
 }  // namespace net