1607 static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)  in tun_set_iff()  argument
1617 	dev = __dev_get_by_name(net, ifr->ifr_name);  in tun_set_iff()
1619 		if (ifr->ifr_flags & IFF_TUN_EXCL)  in tun_set_iff()
1621 		if ((ifr->ifr_flags & IFF_TUN) && dev->netdev_ops == &tun_netdev_ops)  in tun_set_iff()
1623 		else if ((ifr->ifr_flags & IFF_TAP) && dev->netdev_ops == &tap_netdev_ops)  in tun_set_iff()
1628 		if (!!(ifr->ifr_flags & IFF_MULTI_QUEUE) !=  in tun_set_iff()
1638 		err = tun_attach(tun, file, ifr->ifr_flags & IFF_NOFILTER);  in tun_set_iff()
1653 		int queues = ifr->ifr_flags & IFF_MULTI_QUEUE ?  in tun_set_iff()
1663 		if (ifr->ifr_flags & IFF_TUN) {  in tun_set_iff()
1667 		} else if (ifr->ifr_flags & IFF_TAP) {  in tun_set_iff()
1674 		if (*ifr->ifr_name)  in tun_set_iff()
1675 			name = ifr->ifr_name;  in tun_set_iff()
1730 		(ifr->ifr_flags & TUN_FEATURES);  in tun_set_iff()
1738 	strcpy(ifr->ifr_name, tun->dev->name);  in tun_set_iff()
1752 		       struct ifreq *ifr)  in tun_get_iff()  argument
1756 	strcpy(ifr->ifr_name, tun->dev->name);  in tun_get_iff()
1758 	ifr->ifr_flags = tun_flags(tun);  in tun_get_iff()
1844 static int tun_set_queue(struct file *file, struct ifreq *ifr)  in tun_set_queue()  argument
1852 	if (ifr->ifr_flags & IFF_ATTACH_QUEUE) {  in tun_set_queue()
1862 	} else if (ifr->ifr_flags & IFF_DETACH_QUEUE) {  in tun_set_queue()
1882 	struct ifreq ifr;  in __tun_chr_ioctl()  local
1892 		if (copy_from_user(&ifr, argp, ifreq_len))  in __tun_chr_ioctl()
1895 		memset(&ifr, 0, sizeof(ifr));  in __tun_chr_ioctl()
1905 		return tun_set_queue(file, &ifr);  in __tun_chr_ioctl()
1912 		ifr.ifr_name[IFNAMSIZ-1] = '\0';  in __tun_chr_ioctl()
1914 		ret = tun_set_iff(sock_net(&tfile->sk), file, &ifr);  in __tun_chr_ioctl()
1919 		if (copy_to_user(argp, &ifr, ifreq_len))  in __tun_chr_ioctl()
1946 		tun_get_iff(current->nsproxy->net_ns, tun, &ifr);  in __tun_chr_ioctl()
1949 			ifr.ifr_flags |= IFF_DETACH_QUEUE;  in __tun_chr_ioctl()
1951 			ifr.ifr_flags |= IFF_NOFILTER;  in __tun_chr_ioctl()
1953 		if (copy_to_user(argp, &ifr, ifreq_len))  in __tun_chr_ioctl()
2039 		memcpy(ifr.ifr_hwaddr.sa_data, tun->dev->dev_addr, ETH_ALEN);  in __tun_chr_ioctl()
2040 		ifr.ifr_hwaddr.sa_family = tun->dev->type;  in __tun_chr_ioctl()
2041 		if (copy_to_user(argp, &ifr, ifreq_len))  in __tun_chr_ioctl()
2048 			  ifr.ifr_hwaddr.sa_data);  in __tun_chr_ioctl()
2050 		ret = dev_set_mac_address(tun->dev, &ifr.ifr_hwaddr);  in __tun_chr_ioctl()
2256 	struct ifreq ifr;  in tun_chr_show_fdinfo()  local
2258 	memset(&ifr, 0, sizeof(ifr));  in tun_chr_show_fdinfo()
2263 		tun_get_iff(current->nsproxy->net_ns, tun, &ifr);  in tun_chr_show_fdinfo()
2269 	seq_printf(m, "iff:\t%s\n", ifr.ifr_name);  in tun_chr_show_fdinfo()