246 	struct ifreq ifreq = { 0 };  in open_netdev()  local
249 	SAFE_IOCTL(pts, SIOCGIFNAME, ifreq.ifr_name);  in open_netdev()
250 	tst_res(TINFO, "Netdev is %s", ifreq.ifr_name);  in open_netdev()
254 	ifreq.ifr_mtu = ldisc->mtu;  in open_netdev()
255 	if (ioctl(sk, SIOCSIFMTU, &ifreq))  in open_netdev()
257 	SAFE_IOCTL(sk, SIOCGIFMTU, &ifreq);  in open_netdev()
258 	mtu = ifreq.ifr_mtu;  in open_netdev()
261 	SAFE_IOCTL(sk, SIOCGIFFLAGS, &ifreq);  in open_netdev()
262 	ifreq.ifr_flags |= IFF_UP | IFF_RUNNING;  in open_netdev()
263 	SAFE_IOCTL(sk, SIOCSIFFLAGS, &ifreq);  in open_netdev()
264 	SAFE_IOCTL(sk, SIOCGIFFLAGS, &ifreq);  in open_netdev()
266 	if (!(ifreq.ifr_flags & IFF_UP))  in open_netdev()
269 	SAFE_IOCTL(sk, SIOCGIFINDEX, &ifreq);  in open_netdev()
273 	lla.sll_ifindex = ifreq.ifr_ifindex;  in open_netdev()
276 	tst_res(TINFO, "Bound netdev %d to socket %d", ifreq.ifr_ifindex, sk);  in open_netdev()