Lines Matching refs:ifr
279 struct ifreq ifr;
281 memset(&ifr, 0, sizeof(ifr));
283 strcpy(ifr.ifr_name, ifname);
285 if (ioctl(fd, SIOCGIFMTU, &ifr))
288 return ifr.ifr_mtu;
293 struct ifreq ifr;
295 memset(&ifr, 0, sizeof(ifr));
297 ifr.ifr_mtu = mtu;
298 strcpy(ifr.ifr_name, ifname);
300 if (ioctl(fd, SIOCSIFMTU, &ifr))