if (err)
                        return -EFAULT;
                break;
+       case SIOCSHWTSTAMP:
+               if (copy_from_user(&ifr, uifr32, sizeof(*uifr32)))
+                       return -EFAULT;
+               ifr.ifr_data = compat_ptr(uifr32->ifr_ifru.ifru_data);
+               break;
        default:
                if (copy_from_user(&ifr, uifr32, sizeof(*uifr32)))
                        return -EFAULT;
 HANDLE_IOCTL(SIOCGIFADDR, dev_ifsioc)
 HANDLE_IOCTL(SIOCSIFADDR, dev_ifsioc)
 HANDLE_IOCTL(SIOCSIFHWBROADCAST, dev_ifsioc)
+HANDLE_IOCTL(SIOCSHWTSTAMP, dev_ifsioc)
 
 /* ioctls used by appletalk ddp.c */
 HANDLE_IOCTL(SIOCATALKDIFADDR, dev_ifsioc)
 
                            cmd == SIOCSMIIREG ||
                            cmd == SIOCBRADDIF ||
                            cmd == SIOCBRDELIF ||
+                           cmd == SIOCSHWTSTAMP ||
                            cmd == SIOCWANDEV) {
                                err = -EOPNOTSUPP;
                                if (ops->ndo_do_ioctl) {
                case SIOCBONDCHANGEACTIVE:
                case SIOCBRADDIF:
                case SIOCBRDELIF:
+               case SIOCSHWTSTAMP:
                        if (!capable(CAP_NET_ADMIN))
                                return -EPERM;
                        /* fall through */