301 err_netlink(struct nlmsghdr *nlm)  in err_netlink()  argument
306 	if (nlm->nlmsg_type != NLMSG_ERROR)  in err_netlink()
308 	len = nlm->nlmsg_len - sizeof(*nlm);  in err_netlink()
313 	err = (struct nlmsgerr *)NLMSG_DATA(nlm);  in err_netlink()
327 	struct nlmsghdr *nlm;  in get_netlink()  local
371 		for (nlm = (struct nlmsghdr *)(void *)buf;  in get_netlink()
372 		     nlm && NLMSG_OK(nlm, (size_t)bytes);  in get_netlink()
373 		     nlm = NLMSG_NEXT(nlm, bytes))  in get_netlink()
375 			r = err_netlink(nlm);  in get_netlink()
381 				r = callback(ctx, ifp, nlm);  in get_netlink()
395 if_copyrt(struct dhcpcd_ctx *ctx, struct rt *rt, struct nlmsghdr *nlm)  in if_copyrt()  argument
402 	len = nlm->nlmsg_len - sizeof(*nlm);  in if_copyrt()
407 	rtm = (struct rtmsg *)NLMSG_DATA(nlm);  in if_copyrt()
419 	len = RTM_PAYLOAD(nlm);  in if_copyrt()
461 if_copyrt6(struct dhcpcd_ctx *ctx, struct rt6 *rt, struct nlmsghdr *nlm)  in if_copyrt6()  argument
467 	len = nlm->nlmsg_len - sizeof(*nlm);  in if_copyrt6()
472 	rtm = (struct rtmsg *)NLMSG_DATA(nlm);  in if_copyrt6()
484 	len = RTM_PAYLOAD(nlm);  in if_copyrt6()
524     struct nlmsghdr *nlm)  in link_route()  argument
535 	switch (nlm->nlmsg_type) {  in link_route()
546 	len = nlm->nlmsg_len - sizeof(*nlm);  in link_route()
556 	if (nlm->nlmsg_pid > get_max_pid_t())  in link_route()
559 	rtm = NLMSG_DATA(nlm);  in link_route()
563 		if (if_copyrt(ctx, &rt, nlm) == 0)  in link_route()
569 		if (if_copyrt6(ctx, &rt6, nlm) == 0)  in link_route()
579 link_addr(struct dhcpcd_ctx *ctx, struct interface *ifp, struct nlmsghdr *nlm)  in link_addr()  argument
591 	if (nlm->nlmsg_type != RTM_DELADDR && nlm->nlmsg_type != RTM_NEWADDR)  in link_addr()
594 	len = nlm->nlmsg_len - sizeof(*nlm);  in link_addr()
599 	ifa = NLMSG_DATA(nlm);  in link_addr()
606 	len = NLMSG_PAYLOAD(nlm, sizeof(*ifa));  in link_addr()
628 		ipv4_handleifa(ctx, nlm->nlmsg_type, NULL, ifp->name,  in link_addr()
644 		ipv6_handleifa(ctx, nlm->nlmsg_type, NULL, ifp->name,  in link_addr()
691     struct nlmsghdr *nlm)  in link_neigh()  argument
699 	if (nlm->nlmsg_type != RTM_NEWNEIGH && nlm->nlmsg_type != RTM_DELNEIGH)  in link_neigh()
701 	if (nlm->nlmsg_len < sizeof(*r))  in link_neigh()
704 	r = NLMSG_DATA(nlm);  in link_neigh()
706 	len = RTM_PAYLOAD(nlm);  in link_neigh()
711 		if (nlm->nlmsg_type == RTM_NEWNEIGH &&  in link_neigh()
735     struct nlmsghdr *nlm)  in link_netlink()  argument
743 	r = link_route(ctx, ifp, nlm);  in link_netlink()
746 	r = link_addr(ctx, ifp, nlm);  in link_netlink()
750 	r = link_neigh(ctx, ifp, nlm);  in link_netlink()
755 	if (nlm->nlmsg_type != RTM_NEWLINK && nlm->nlmsg_type != RTM_DELLINK)  in link_netlink()
757 	len = nlm->nlmsg_len - sizeof(*nlm);  in link_netlink()
762 	ifi = NLMSG_DATA(nlm);  in link_netlink()
766 	len = NLMSG_PAYLOAD(nlm, sizeof(*ifi));  in link_netlink()
774 			if (nlm->nlmsg_type == RTM_NEWLINK &&  in link_netlink()
788 	if (nlm->nlmsg_type == RTM_DELLINK) {  in link_netlink()
989 gnl_parse(struct nlmsghdr *nlm, struct nlattr *tb[], int maxtype)  in gnl_parse()  argument
997 	ghdr = NLMSG_DATA(nlm);  in gnl_parse()
999 	len = nlm->nlmsg_len - GENL_HDRLEN - NLMSG_HDRLEN;  in gnl_parse()
1011     struct nlmsghdr *nlm)  in _gnl_getfamily()  argument
1016 	if (gnl_parse(nlm, tb, CTRL_ATTR_FAMILY_ID) == -1)  in _gnl_getfamily()
1029 	struct nlmg nlm;  in gnl_getfamily()  local
1031 	memset(&nlm, 0, sizeof(nlm));  in gnl_getfamily()
1032 	nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct genlmsghdr));  in gnl_getfamily()
1033 	nlm.hdr.nlmsg_type = GENL_ID_CTRL;  in gnl_getfamily()
1034 	nlm.hdr.nlmsg_flags = NLM_F_REQUEST;  in gnl_getfamily()
1035 	nlm.ghdr.cmd = CTRL_CMD_GETFAMILY;  in gnl_getfamily()
1036 	nlm.ghdr.version = 1;  in gnl_getfamily()
1037 	if (nla_put_string(&nlm.hdr, sizeof(nlm),  in gnl_getfamily()
1040 	return send_netlink(ctx, NULL, NETLINK_GENERIC, &nlm.hdr,  in gnl_getfamily()
1046     struct nlmsghdr *nlm)  in _if_getssid()  argument
1050 	if (gnl_parse(nlm, tb, NL80211_ATTR_SSID) == -1)  in _if_getssid()
1077 	struct nlmg nlm;  in if_getssid_nl80211()  local
1083 	memset(&nlm, 0, sizeof(nlm));  in if_getssid_nl80211()
1084 	nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct genlmsghdr));  in if_getssid_nl80211()
1085 	nlm.hdr.nlmsg_type = (unsigned short)family;  in if_getssid_nl80211()
1086 	nlm.hdr.nlmsg_flags = NLM_F_REQUEST;  in if_getssid_nl80211()
1087 	nlm.ghdr.cmd = NL80211_CMD_GET_INTERFACE;  in if_getssid_nl80211()
1088 	nla_put_32(&nlm.hdr, sizeof(nlm), NL80211_ATTR_IFINDEX, ifp->index);  in if_getssid_nl80211()
1091 	    NETLINK_GENERIC, &nlm.hdr, &_if_getssid);  in if_getssid_nl80211()
1290 	struct nlma nlm;  in if_address()  local
1293 	memset(&nlm, 0, sizeof(nlm));  in if_address()
1294 	nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));  in if_address()
1295 	nlm.hdr.nlmsg_flags = NLM_F_REQUEST;  in if_address()
1297 		nlm.hdr.nlmsg_flags |= NLM_F_CREATE | NLM_F_REPLACE;  in if_address()
1298 		nlm.hdr.nlmsg_type = RTM_NEWADDR;  in if_address()
1300 		nlm.hdr.nlmsg_type = RTM_DELADDR;  in if_address()
1301 	nlm.ifa.ifa_index = iface->index;  in if_address()
1302 	nlm.ifa.ifa_family = AF_INET;  in if_address()
1303 	nlm.ifa.ifa_prefixlen = inet_ntocidr(*netmask);  in if_address()
1305 	add_attr_l(&nlm.hdr, sizeof(nlm), IFA_LABEL,  in if_address()
1307 	add_attr_l(&nlm.hdr, sizeof(nlm), IFA_LOCAL,  in if_address()
1310 		add_attr_l(&nlm.hdr, sizeof(nlm), IFA_BROADCAST,  in if_address()
1313 	if (send_netlink(iface->ctx, NULL, NETLINK_ROUTE, &nlm.hdr, NULL) == -1)  in if_address()
1321 	struct nlmr nlm;  in if_route()  local
1325 	memset(&nlm, 0, sizeof(nlm));  in if_route()
1326 	nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));  in if_route()
1329 		nlm.hdr.nlmsg_type = RTM_NEWROUTE;  in if_route()
1330 		nlm.hdr.nlmsg_flags = NLM_F_CREATE | NLM_F_REPLACE;  in if_route()
1333 		nlm.hdr.nlmsg_type = RTM_NEWROUTE;  in if_route()
1334 		nlm.hdr.nlmsg_flags = NLM_F_CREATE | NLM_F_EXCL;  in if_route()
1337 		nlm.hdr.nlmsg_type = RTM_DELROUTE;  in if_route()
1340 	nlm.hdr.nlmsg_flags |= NLM_F_REQUEST;  in if_route()
1341 	nlm.rt.rtm_family = AF_INET;  in if_route()
1342 	nlm.rt.rtm_table = RT_TABLE_MAIN;  in if_route()
1346 		nlm.rt.rtm_scope = RT_SCOPE_NOWHERE;  in if_route()
1352 			nlm.rt.rtm_protocol = RTPROT_KERNEL;  in if_route()
1354 			nlm.rt.rtm_protocol = RTPROT_BOOT;  in if_route()
1356 			nlm.rt.rtm_scope = RT_SCOPE_HOST;  in if_route()
1360 			nlm.rt.rtm_scope = RT_SCOPE_LINK;  in if_route()
1362 			nlm.rt.rtm_scope = RT_SCOPE_UNIVERSE;  in if_route()
1363 		nlm.rt.rtm_type = RTN_UNICAST;  in if_route()
1366 	nlm.rt.rtm_dst_len = inet_ntocidr(rt->net);  in if_route()
1367 	add_attr_l(&nlm.hdr, sizeof(nlm), RTA_DST,  in if_route()
1369 	if (nlm.rt.rtm_protocol == RTPROT_KERNEL) {  in if_route()
1370 		add_attr_l(&nlm.hdr, sizeof(nlm), RTA_PREFSRC,  in if_route()
1376 		add_attr_l(&nlm.hdr, sizeof(nlm), RTA_GATEWAY,  in if_route()
1380 		add_attr_32(&nlm.hdr, sizeof(nlm), RTA_OIF, rt->iface->index);  in if_route()
1382 		add_attr_32(&nlm.hdr, sizeof(nlm), RTA_PRIORITY, rt->metric);  in if_route()
1385 	    NETLINK_ROUTE, &nlm.hdr, NULL) == -1)  in if_route()
1392     struct nlmsghdr *nlm)  in _if_initrt()  argument
1396 	if (if_copyrt(ctx, &rt, nlm) == 0)  in _if_initrt()
1404 	struct nlmr nlm;  in if_initrt()  local
1408 	memset(&nlm, 0, sizeof(nlm));  in if_initrt()
1409 	nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));  in if_initrt()
1410 	nlm.hdr.nlmsg_type = RTM_GETROUTE;  in if_initrt()
1411 	nlm.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_MATCH;  in if_initrt()
1412 	nlm.hdr.nlmsg_flags |= NLM_F_REQUEST;  in if_initrt()
1413 	nlm.rt.rtm_family = AF_INET;  in if_initrt()
1414 	nlm.rt.rtm_table = RT_TABLE_MAIN;  in if_initrt()
1415 	add_attr_32(&nlm.hdr, sizeof(nlm), RTA_OIF, ifp->index);  in if_initrt()
1418 	    NETLINK_ROUTE, &nlm.hdr, &_if_initrt);  in if_initrt()
1435 	struct nlma nlm;  in if_address6()  local
1444 	memset(&nlm, 0, sizeof(nlm));  in if_address6()
1445 	nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));  in if_address6()
1446 	nlm.hdr.nlmsg_flags = NLM_F_REQUEST;  in if_address6()
1448 		nlm.hdr.nlmsg_flags |= NLM_F_CREATE | NLM_F_REPLACE;  in if_address6()
1449 		nlm.hdr.nlmsg_type = RTM_NEWADDR;  in if_address6()
1451 		nlm.hdr.nlmsg_type = RTM_DELADDR;  in if_address6()
1452 	nlm.ifa.ifa_index = ap->iface->index;  in if_address6()
1453 	nlm.ifa.ifa_family = AF_INET6;  in if_address6()
1458 		nlm.ifa.ifa_flags |= IFA_F_TEMPORARY;  in if_address6()
1468 	nlm.ifa.ifa_prefixlen = ap->prefix_len;  in if_address6()
1470 	add_attr_l(&nlm.hdr, sizeof(nlm), IFA_LABEL,  in if_address6()
1472 	add_attr_l(&nlm.hdr, sizeof(nlm), IFA_LOCAL,  in if_address6()
1479 		add_attr_l(&nlm.hdr, sizeof(nlm), IFA_CACHEINFO,  in if_address6()
1489 		add_attr_32(&nlm.hdr, sizeof(nlm), IFA_FLAGS, flags);  in if_address6()
1492 	if (send_netlink(ap->iface->ctx, NULL, NETLINK_ROUTE, &nlm.hdr,  in if_address6()
1522 	struct nlmr nlm;  in if_route6()  local
1525 	memset(&nlm, 0, sizeof(nlm));  in if_route6()
1526 	nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));  in if_route6()
1529 		nlm.hdr.nlmsg_type = RTM_NEWROUTE;  in if_route6()
1530 		nlm.hdr.nlmsg_flags = NLM_F_CREATE | NLM_F_REPLACE;  in if_route6()
1533 		nlm.hdr.nlmsg_type = RTM_NEWROUTE;  in if_route6()
1534 		nlm.hdr.nlmsg_flags = NLM_F_CREATE | NLM_F_EXCL;  in if_route6()
1537 		nlm.hdr.nlmsg_type = RTM_DELROUTE;  in if_route6()
1540 	nlm.hdr.nlmsg_flags |= NLM_F_REQUEST;  in if_route6()
1541 	nlm.rt.rtm_family = AF_INET6;  in if_route6()
1542 	nlm.rt.rtm_table = RT_TABLE_MAIN;  in if_route6()
1545 		nlm.rt.rtm_scope = RT_SCOPE_NOWHERE;  in if_route6()
1549 			nlm.rt.rtm_scope = RT_SCOPE_HOST;  in if_route6()
1551 			nlm.rt.rtm_protocol = RTPROT_KERNEL;  in if_route6()
1552 			nlm.rt.rtm_scope = RT_SCOPE_LINK;  in if_route6()
1554 			nlm.rt.rtm_protocol = RTPROT_BOOT;  in if_route6()
1556 			nlm.rt.rtm_type = RTN_UNREACHABLE;  in if_route6()
1558 			nlm.rt.rtm_type = RTN_UNICAST;  in if_route6()
1561 	nlm.rt.rtm_dst_len = ipv6_prefixlen(&rt->net);  in if_route6()
1562 	add_attr_l(&nlm.hdr, sizeof(nlm), RTA_DST,  in if_route6()
1566 		add_attr_l(&nlm.hdr, sizeof(nlm), RTA_GATEWAY,  in if_route6()
1570 		add_attr_32(&nlm.hdr, sizeof(nlm), RTA_OIF, rt->iface->index);  in if_route6()
1572 			add_attr_32(&nlm.hdr, sizeof(nlm),  in if_route6()
1582 		add_attr_l(&nlm.hdr, sizeof(nlm), RTA_METRICS,  in if_route6()
1587 	    NETLINK_ROUTE, &nlm.hdr, NULL) == -1)  in if_route6()
1594     struct nlmsghdr *nlm)  in _if_initrt6()  argument
1598 	if (if_copyrt6(ctx, &rt, nlm) == 0)  in _if_initrt6()
1606 	struct nlmr nlm;  in if_initrt6()  local
1610 	memset(&nlm, 0, sizeof(nlm));  in if_initrt6()
1611 	nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg));  in if_initrt6()
1612 	nlm.hdr.nlmsg_type = RTM_GETROUTE;  in if_initrt6()
1613 	nlm.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_MATCH;  in if_initrt6()
1614 	nlm.hdr.nlmsg_flags |= NLM_F_REQUEST;  in if_initrt6()
1615 	nlm.rt.rtm_family = AF_INET6;  in if_initrt6()
1616 	nlm.rt.rtm_table = RT_TABLE_MAIN;  in if_initrt6()
1617 	add_attr_32(&nlm.hdr, sizeof(nlm), RTA_OIF, ifp->index);  in if_initrt6()
1620 	    NETLINK_ROUTE, &nlm.hdr, &_if_initrt6);  in if_initrt6()
1706 	struct nlml nlm;  in if_disable_autolinklocal()  local
1709 	memset(&nlm, 0, sizeof(nlm));  in if_disable_autolinklocal()
1710 	nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));  in if_disable_autolinklocal()
1711 	nlm.hdr.nlmsg_type = RTM_NEWLINK;  in if_disable_autolinklocal()
1712 	nlm.hdr.nlmsg_flags = NLM_F_REQUEST;  in if_disable_autolinklocal()
1713 	nlm.i.ifi_family = AF_INET6;  in if_disable_autolinklocal()
1714 	nlm.i.ifi_index = ifindex;  in if_disable_autolinklocal()
1715 	afs = add_attr_nest(&nlm.hdr, sizeof(nlm), IFLA_AF_SPEC);  in if_disable_autolinklocal()
1716 	afs6 = add_attr_nest(&nlm.hdr, sizeof(nlm), AF_INET6);  in if_disable_autolinklocal()
1717 	add_attr_8(&nlm.hdr, sizeof(nlm), IFLA_INET6_ADDR_GEN_MODE,  in if_disable_autolinklocal()
1719 	add_attr_nest_end(&nlm.hdr, afs6);  in if_disable_autolinklocal()
1720 	add_attr_nest_end(&nlm.hdr, afs);  in if_disable_autolinklocal()
1722 	return send_netlink(ctx, NULL, NETLINK_ROUTE, &nlm.hdr, NULL);  in if_disable_autolinklocal()