156 	struct nlmsghdr *nlm;  in get_netlink()  local
195 		for (nlm = (struct nlmsghdr *)buf;  in get_netlink()
196 		     NLMSG_OK(nlm, (size_t)bytes);  in get_netlink()
197 		     nlm = NLMSG_NEXT(nlm, bytes))  in get_netlink()
199 			r = callback(nlm);  in get_netlink()
211 err_netlink(struct nlmsghdr *nlm)  in err_netlink()  argument
216 	if (nlm->nlmsg_type != NLMSG_ERROR)  in err_netlink()
218 	l = nlm->nlmsg_len - sizeof(*nlm);  in err_netlink()
223 	err = (struct nlmsgerr *)NLMSG_DATA(nlm);  in err_netlink()
231 link_route(struct nlmsghdr *nlm)  in link_route()  argument
239 	if (nlm->nlmsg_type != RTM_DELROUTE)  in link_route()
242 	len = nlm->nlmsg_len - sizeof(*nlm);  in link_route()
247 	rtm = NLMSG_DATA(nlm);  in link_route()
251 	    nlm->nlmsg_pid == (uint32_t)getpid())  in link_route()
254 	len = NLMSG_PAYLOAD(nlm, sizeof(*rtm));  in link_route()
292 link_addr(struct nlmsghdr *nlm)  in link_addr()  argument
301 	if (nlm->nlmsg_type != RTM_DELADDR && nlm->nlmsg_type != RTM_NEWADDR)  in link_addr()
304 	len = nlm->nlmsg_len - sizeof(*nlm);  in link_addr()
309 	if (nlm->nlmsg_pid == (uint32_t)getpid())  in link_addr()
311 	ifa = NLMSG_DATA(nlm);  in link_addr()
318 	len = NLMSG_PAYLOAD(nlm, sizeof(*ifa));  in link_addr()
337 	handle_ifa(nlm->nlmsg_type, ifn, &addr, &net, &dest);  in link_addr()
342 link_netlink(struct nlmsghdr *nlm)  in link_netlink()  argument
349 	len = link_route(nlm);  in link_netlink()
352 	len = link_addr(nlm);  in link_netlink()
356 	if (nlm->nlmsg_type != RTM_NEWLINK && nlm->nlmsg_type != RTM_DELLINK)  in link_netlink()
358 	len = nlm->nlmsg_len - sizeof(*nlm);  in link_netlink()
363 	ifi = NLMSG_DATA(nlm);  in link_netlink()
367 	len = NLMSG_PAYLOAD(nlm, sizeof(*ifi));  in link_netlink()
373 			if (nlm->nlmsg_type == RTM_NEWLINK &&  in link_netlink()
384 	if (nlm->nlmsg_type == RTM_DELLINK) {  in link_netlink()
499 	struct nlma *nlm;  in if_address()  local
502 	nlm = xzalloc(sizeof(*nlm));  in if_address()
503 	nlm->hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));  in if_address()
504 	nlm->hdr.nlmsg_flags = NLM_F_REQUEST;  in if_address()
506 		nlm->hdr.nlmsg_flags |= NLM_F_CREATE | NLM_F_REPLACE;  in if_address()
507 		nlm->hdr.nlmsg_type = RTM_NEWADDR;  in if_address()
509 		nlm->hdr.nlmsg_type = RTM_DELADDR;  in if_address()
510 	if (!(nlm->ifa.ifa_index = if_nametoindex(iface->name))) {  in if_address()
511 		free(nlm);  in if_address()
515 	nlm->ifa.ifa_family = AF_INET;  in if_address()
516 	nlm->ifa.ifa_prefixlen = inet_ntocidr(*netmask);  in if_address()
518 	add_attr_l(&nlm->hdr, sizeof(*nlm), IFA_LABEL,  in if_address()
520 	add_attr_l(&nlm->hdr, sizeof(*nlm), IFA_LOCAL,  in if_address()
523 		add_attr_l(&nlm->hdr, sizeof(*nlm), IFA_BROADCAST,  in if_address()
526 	if (send_netlink(&nlm->hdr) == -1)  in if_address()
528 	free(nlm);  in if_address()
535 	struct nlmr *nlm;  in if_route()  local
544 	nlm = xzalloc(sizeof(*nlm));  in if_route()
545 	nlm->hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));  in if_route()
546 	nlm->hdr.nlmsg_type = RTM_NEWROUTE;  in if_route()
548 		nlm->hdr.nlmsg_flags = NLM_F_REPLACE;  in if_route()
550 		nlm->hdr.nlmsg_flags = NLM_F_CREATE /*| NLM_F_EXCL*/;  in if_route()
552 		nlm->hdr.nlmsg_type = RTM_DELROUTE;  in if_route()
553 	nlm->hdr.nlmsg_flags |= NLM_F_REQUEST;  in if_route()
554 	nlm->rt.rtm_family = AF_INET;  in if_route()
555 	nlm->rt.rtm_table = RT_TABLE_MAIN;  in if_route()
558 		nlm->rt.rtm_scope = RT_SCOPE_NOWHERE;  in if_route()
560 		nlm->hdr.nlmsg_flags |= NLM_F_CREATE /*| NLM_F_EXCL*/;  in if_route()
565 			nlm->rt.rtm_protocol = RTPROT_KERNEL;  in if_route()
567 			nlm->rt.rtm_protocol = RTPROT_BOOT;  in if_route()
571 			nlm->rt.rtm_scope = RT_SCOPE_LINK;  in if_route()
573 			nlm->rt.rtm_scope = RT_SCOPE_UNIVERSE;  in if_route()
574 		nlm->rt.rtm_type = RTN_UNICAST;  in if_route()
577 	nlm->rt.rtm_dst_len = inet_ntocidr(rt->net);  in if_route()
578 	add_attr_l(&nlm->hdr, sizeof(*nlm), RTA_DST,  in if_route()
580 	if (nlm->rt.rtm_protocol == RTPROT_KERNEL) {  in if_route()
581 		add_attr_l(&nlm->hdr, sizeof(*nlm), RTA_PREFSRC,  in if_route()
587 		add_attr_l(&nlm->hdr, sizeof(*nlm), RTA_GATEWAY,  in if_route()
590 	add_attr_32(&nlm->hdr, sizeof(*nlm), RTA_OIF, ifindex);  in if_route()
591 	add_attr_32(&nlm->hdr, sizeof(*nlm), RTA_PRIORITY, rt->metric);  in if_route()
593 	if (send_netlink(&nlm->hdr) == -1)  in if_route()
595 	free(nlm);  in if_route()