+ struct ifreq ifr;
+
+ memset(&ifr, 0, sizeof(ifr));
+ strncpy(ifr.ifr_name, dev->ifname, sizeof(ifr.ifr_name));
+ if (dev->flags & DEV_OPT_MTU) {
+ ifr.ifr_mtu = dev->mtu;
+ ioctl(sock_ioctl, SIOCSIFMTU, &ifr);
+ }
+ if (dev->flags & DEV_OPT_TXQUEUELEN) {
+ ifr.ifr_qlen = dev->txqueuelen;
+ ioctl(sock_ioctl, SIOCSIFTXQLEN, &ifr);
+ }
+ if (dev->flags & DEV_OPT_MACADDR) {
+ memcpy(&ifr.ifr_hwaddr, dev->macaddr, sizeof(dev->macaddr));
+ ioctl(sock_ioctl, SIOCSIFHWADDR, &ifr);
+ }
+