312 	struct ifreq ifr;  in read_ip_interface()  local
318 	BZERO(&ifr, sizeof (ifr));  in read_ip_interface()
319 	(void) strlcpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));  in read_ip_interface()
322 	if (myioctl(ipfd, SIOCGIFMTU, &ifr) < 0) {  in read_ip_interface()
323 		warn("Couldn't get IP MTU on %s: %m", ifr.ifr_name);  in read_ip_interface()
326 	dbglog("got MTU %d from interface", ifr.ifr_metric);  in read_ip_interface()
327 	if (ifr.ifr_metric != 0 &&  in read_ip_interface()
329 	    lcp_allowoptions[unit].mru > ifr.ifr_metric))  in read_ip_interface()
330 		lcp_allowoptions[unit].mru = ifr.ifr_metric;  in read_ip_interface()
335 		if (myioctl(ipfd, SIOCGIFADDR, &ifr) < 0) {  in read_ip_interface()
337 			    ifr.ifr_name);  in read_ip_interface()
340 		BCOPY(&ifr.ifr_addr, &sin, sizeof (struct sockaddr_in));  in read_ip_interface()
348 		if (myioctl(ipfd, SIOCGIFDSTADDR, &ifr) < 0) {  in read_ip_interface()
350 			    ifr.ifr_name);  in read_ip_interface()
353 		BCOPY(&ifr.ifr_dstaddr, &sin, sizeof (struct sockaddr_in));  in read_ip_interface()
561 	struct ifreq ifr;  in plumb_ipif()  local
621 	BZERO(&ifr, sizeof (ifr));  in plumb_ipif()
622 	(void) strlcpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));  in plumb_ipif()
623 	ifr.ifr_ip_muxid = ipmuxid;  in plumb_ipif()
624 	ifr.ifr_arp_muxid = -1;  in plumb_ipif()
625 	if (myioctl(ipfd, SIOCSIFMUXID, (caddr_t)&ifr) < 0) {  in plumb_ipif()
743 	struct ifreq ifr;  local
790 		BZERO(&ifr, sizeof (ifr));
791 		(void) strncpy(ifr.ifr_name, pifreq->ifr_name,
792 		    sizeof (ifr.ifr_name));
793 		if (myioctl(fd, SIOCGIFFLAGS, &ifr) < 0) {
796 		fl = ifr.ifr_flags;
801 		if (get_if_hwaddr(addr, msize, ifr.ifr_name) <= 0) {
862 	struct ifreq ifr;  in giflags()  local
872 	BZERO(&ifr, sizeof (ifr));  in giflags()
873 	(void) strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));  in giflags()
874 	if (ioctl(fd, SIOCGIFFLAGS, &ifr) < 0) {  in giflags()
879 	*retval = ((ifr.ifr_flags & flag) != 0);  in giflags()
2340 	struct ifreq ifr;  local
2347 	BZERO(&ifr, sizeof (ifr));
2348 	(void) strlcpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
2349 	if (myioctl(ipfd, SIOCGIFFLAGS, &ifr) < 0) {
2354 		ifr.ifr_flags |= f;
2356 		ifr.ifr_flags &= ~f;
2358 	if (myioctl(ipfd, SIOCSIFFLAGS, &ifr) < 0) {
2479 	struct ifreq ifr;  local
2486 	BZERO(&ifr, sizeof (ifr));
2487 	(void) strlcpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
2488 	ifr.ifr_metric = mtu;
2489 	if (myioctl(ipfd, SIOCSIFMTU, &ifr) < 0) {
2490 		error("Couldn't set IP MTU on %s to %d: %m", ifr.ifr_name,
2510 	struct ifreq ifr;  local
2531 	BZERO(&ifr, sizeof (ifr));
2532 	(void) strlcpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name));
2533 	ifr.ifr_addr = *(struct sockaddr *)&sin;
2534 	if (myioctl(ipfd, SIOCSIFADDR, &ifr) < 0) {
2535 		error("Couldn't set local IP address (%s): %m", ifr.ifr_name);
2543 	ifr.ifr_dstaddr = *(struct sockaddr *)&sin;
2544 	if (myioctl(ipfd, SIOCSIFDSTADDR, &ifr) < 0) {
2545 		error("Couldn't set remote IP address (%s): %m", ifr.ifr_name);
2749 	struct ifreq *ifr, *ifend, ifreq;  in get_ether_addr()  local
2779 	for (ifr = ifc.ifc_req; ifr < ifend; ++ifr) {  in get_ether_addr()
2780 		if (ifr->ifr_addr.sa_family != AF_INET) {  in get_ether_addr()
2787 		(void) strlcpy(ifreq.ifr_name, ifr->ifr_name,  in get_ether_addr()
2802 		(void) memcpy(&sin, &ifr->ifr_addr, sizeof (sin));  in get_ether_addr()
2810 	if (ifr >= ifend) {  in get_ether_addr()
2817 	info("found interface %s for proxy ARP of %I", ifr->ifr_name, ipaddr);  in get_ether_addr()