1562 static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)  in tun_set_iff()  argument
1572 	dev = __dev_get_by_name(net, ifr->ifr_name);  in tun_set_iff()
1574 		if (ifr->ifr_flags & IFF_TUN_EXCL)  in tun_set_iff()
1576 		if ((ifr->ifr_flags & IFF_TUN) && dev->netdev_ops == &tun_netdev_ops)  in tun_set_iff()
1578 		else if ((ifr->ifr_flags & IFF_TAP) && dev->netdev_ops == &tap_netdev_ops)  in tun_set_iff()
1583 		if (!!(ifr->ifr_flags & IFF_MULTI_QUEUE) !=  in tun_set_iff()
1593 		err = tun_attach(tun, file, ifr->ifr_flags & IFF_NOFILTER);  in tun_set_iff()
1608 		int queues = ifr->ifr_flags & IFF_MULTI_QUEUE ?  in tun_set_iff()
1618 		if (ifr->ifr_flags & IFF_TUN) {  in tun_set_iff()
1622 		} else if (ifr->ifr_flags & IFF_TAP) {  in tun_set_iff()
1629 		if (*ifr->ifr_name)  in tun_set_iff()
1630 			name = ifr->ifr_name;  in tun_set_iff()
1685 		(ifr->ifr_flags & TUN_FEATURES);  in tun_set_iff()
1693 	strcpy(ifr->ifr_name, tun->dev->name);  in tun_set_iff()
1707 		       struct ifreq *ifr)  in tun_get_iff()  argument
1711 	strcpy(ifr->ifr_name, tun->dev->name);  in tun_get_iff()
1713 	ifr->ifr_flags = tun_flags(tun);  in tun_get_iff()
1798 static int tun_set_queue(struct file *file, struct ifreq *ifr)  in tun_set_queue()  argument
1806 	if (ifr->ifr_flags & IFF_ATTACH_QUEUE) {  in tun_set_queue()
1816 	} else if (ifr->ifr_flags & IFF_DETACH_QUEUE) {  in tun_set_queue()
1836 	struct ifreq ifr;  in __tun_chr_ioctl()  local
1846 		if (copy_from_user(&ifr, argp, ifreq_len))  in __tun_chr_ioctl()
1849 		memset(&ifr, 0, sizeof(ifr));  in __tun_chr_ioctl()
1859 		return tun_set_queue(file, &ifr);  in __tun_chr_ioctl()
1866 		ifr.ifr_name[IFNAMSIZ-1] = '\0';  in __tun_chr_ioctl()
1868 		ret = tun_set_iff(tfile->net, file, &ifr);  in __tun_chr_ioctl()
1873 		if (copy_to_user(argp, &ifr, ifreq_len))  in __tun_chr_ioctl()
1900 		tun_get_iff(current->nsproxy->net_ns, tun, &ifr);  in __tun_chr_ioctl()
1903 			ifr.ifr_flags |= IFF_DETACH_QUEUE;  in __tun_chr_ioctl()
1905 			ifr.ifr_flags |= IFF_NOFILTER;  in __tun_chr_ioctl()
1907 		if (copy_to_user(argp, &ifr, ifreq_len))  in __tun_chr_ioctl()
1993 		memcpy(ifr.ifr_hwaddr.sa_data, tun->dev->dev_addr, ETH_ALEN);  in __tun_chr_ioctl()
1994 		ifr.ifr_hwaddr.sa_family = tun->dev->type;  in __tun_chr_ioctl()
1995 		if (copy_to_user(argp, &ifr, ifreq_len))  in __tun_chr_ioctl()
2002 			  ifr.ifr_hwaddr.sa_data);  in __tun_chr_ioctl()
2004 		ret = dev_set_mac_address(tun->dev, &ifr.ifr_hwaddr);  in __tun_chr_ioctl()
2206 	struct ifreq ifr;  in tun_chr_show_fdinfo()  local
2208 	memset(&ifr, 0, sizeof(ifr));  in tun_chr_show_fdinfo()
2213 		tun_get_iff(current->nsproxy->net_ns, tun, &ifr);  in tun_chr_show_fdinfo()
2219 	seq_printf(m, "iff:\t%s\n", ifr.ifr_name);  in tun_chr_show_fdinfo()