bsd/net/rtsock.c

322 	struct rtentry *rt = NULL;
542 				rt = saved_nrt;
543 				RT_LOCK(rt);
558 			rt = rt_lookup(TRUE, info.rti_info[RTAX_DST], info.rti_info[RTAX_NETMASK], rnh, ifscope);
559 			if (rt == NULL)
561 			RT_LOCK(rt);
574 					RT_LOCK_ASSERT_HELD(rt);
575 					info.rti_info[RTAX_DST] = rt_key(rt);
577 					info.rti_info[RTAX_GATEWAY] = rt->rt_gateway;
578 					info.rti_info[RTAX_NETMASK] = rt_mask(rt);
579 					info.rti_info[RTAX_GENMASK] = rt->rt_genmask;
581 						ifp = rt->rt_ifp;
588 							info.rti_info[RTAX_IFA] = rt->rt_ifa->ifa_addr;
594 					} else if ((ifp = rt->rt_ifp) != NULL) {
607 							RT_UNLOCK(rt);
621 					rtm->rtm_flags = rt->rt_flags;
622 					rt_getmetrics(rt, &rtm->rtm_rmx);
630 					if (info.rti_info[RTAX_GATEWAY] && (error = rt_setgate(rt,
631 					    rt_key(rt), info.rti_info[RTAX_GATEWAY]))) {
633 						RT_UNLOCK(rt);
643 					if ((rt->rt_flags & RTF_GATEWAY) && !info.rti_info[RTAX_GATEWAY])
644 						info.rti_info[RTAX_GATEWAY] = rt->rt_gateway;
652 					rt_setif(rt, info.rti_info[RTAX_IFP], info.rti_info[RTAX_IFA], info.rti_info[RTAX_GATEWAY],
657 							rt);
660 					if (rt->rt_ifa && rt->rt_ifa->ifa_rtrequest)
661 						rt->rt_ifa->ifa_rtrequest(RTM_ADD, rt, info.rti_info[RTAX_GATEWAY]);
664 						rt->rt_genmask = info.rti_info[RTAX_GENMASK];
669 					rt->rt_rmx.rmx_locks &= ~(rtm->rtm_inits);
670 					rt->rt_rmx.rmx_locks |=
674 			RT_UNLOCK(rt);
687 	if (rt != NULL) {
688 		RT_LOCK_ASSERT_NOTHELD(rt);
689 		rtfree_locked(rt);
743 rt_setexpire(struct rtentry *rt, uint64_t expiry)
746 	rt->rt_expire = expiry;
748 		rt->rt_rmx.rmx_expire = expiry + rt->base_calendartime -
749 		    rt->base_uptime;
751 		rt->rt_rmx.rmx_expire = 0;
825 rt_setif(struct rtentry *rt, struct sockaddr *Ifpaddr, struct sockaddr *Ifaaddr,
835 	RT_LOCK_ASSERT_HELD(rt);
842 	if (rt->rt_flags & RTF_CONDEMNED)
846 	RT_ADDREF_LOCKED(rt);
849 	RT_CONVERT_LOCK(rt);
886 			RT_UNLOCK(rt);
887 			if ((ifa = ifa_ifwithroute_scoped_locked(rt->rt_flags,
888 			    rt_key(rt), Gate, ifscope)) != NULL)
890 			RT_LOCK(rt);
892 			if (rt->rt_flags & RTF_CONDEMNED) {
896 				RT_REMREF_LOCKED(rt);
902 		struct ifaddr *oifa = rt->rt_ifa;
909 					ifa_rtrequest(RTM_DELETE, rt, Gate);
911 			rtsetifa(rt, ifa);
913 			if (rt->rt_ifp != ifp) {
917 				if (rt->rt_llinfo_purge != NULL)
918 					rt->rt_llinfo_purge(rt);
923 				if (rt->rt_if_ref_fn != NULL) {
924 					rt->rt_if_ref_fn(ifp, 1);
925 					rt->rt_if_ref_fn(rt->rt_ifp, -1);
928 			rt->rt_ifp = ifp;
933 			if (rt_primary_default(rt, rt_key(rt))) {
934 				set_primary_ifscope(rt_key(rt)->sa_family,
935 				    rt->rt_ifp->if_index);
937 			rt->rt_rmx.rmx_mtu = ifp->if_mtu;
938 			if (rt->rt_ifa != NULL) {
939 				IFA_LOCK_SPIN(rt->rt_ifa);
940 				ifa_rtrequest = rt->rt_ifa->ifa_rtrequest;
941 				IFA_UNLOCK(rt->rt_ifa);
943 					ifa_rtrequest(RTM_ADD, rt, Gate);
947 			RT_REMREF_LOCKED(rt);
954 	if (rt->rt_ifa != NULL) {
955 		IFA_LOCK_SPIN(rt->rt_ifa);
956 		ifa_rtrequest = rt->rt_ifa->ifa_rtrequest;
957 		IFA_UNLOCK(rt->rt_ifa);
959 			ifa_rtrequest(RTM_ADD, rt, Gate);
963 	RT_REMREF_LOCKED(rt);
1262 rt_newaddrmsg(int cmd, struct ifaddr *ifa, int error, struct rtentry *rt)
1272 	RT_LOCK_ASSERT_HELD(rt);
1278 	RT_CONVERT_LOCK(rt);
1318 			if (rt == 0)
1320 			info.rti_info[RTAX_NETMASK] = rt_mask(rt);
1321 			info.rti_info[RTAX_DST] = sa = rt_key(rt);
1322 			info.rti_info[RTAX_GATEWAY] = rt->rt_gateway;
1327 			rtm->rtm_flags |= rt->rt_flags;
1386 	struct rtentry *rt = (struct rtentry *)rn;
1390 	RT_LOCK(rt);
1391 	if (w->w_op == NET_RT_FLAGS && !(rt->rt_flags & w->w_arg)) {
1392 		RT_UNLOCK(rt);
1396 	info.rti_info[RTAX_DST] = rt_key(rt);
1397 	info.rti_info[RTAX_GATEWAY] = rt->rt_gateway;
1398 	info.rti_info[RTAX_NETMASK] = rt_mask(rt);
1399 	info.rti_info[RTAX_GENMASK] = rt->rt_genmask;
1407 			rtm->rtm_flags = rt->rt_flags;
1408 			rtm->rtm_use = rt->rt_use;
1409 			rt_getmetrics(rt, &rtm->rtm_rmx);
1410 			rtm->rtm_index = rt->rt_ifp->if_index;
1416 			RT_UNLOCK(rt);
1425 			rtm->rtm_flags = rt->rt_flags;
1426 			rtm->rtm_use = rt->rt_use;
1427 			rt_getmetrics(rt, &rtm->rtm_rmx);
1428 			rtm->rtm_index = rt->rt_ifp->if_index;
1429 			rtm->rtm_refcnt = rt->rt_refcnt;
1430 			if (rt->rt_parent)
1431 				rtm->rtm_parentflags = rt->rt_parent->rt_flags;
1437 			RT_UNLOCK(rt);
1441 	RT_UNLOCK(rt);
1452 	struct rtentry *rt = (struct rtentry *)rn;
1456 	RT_LOCK(rt);
1457 	if (w->w_op == NET_RT_DUMPX_FLAGS && !(rt->rt_flags & w->w_arg)) {
1458 		RT_UNLOCK(rt);
1462 	info.rti_info[RTAX_DST] = rt_key(rt);
1463 	info.rti_info[RTAX_GATEWAY] = rt->rt_gateway;
1464 	info.rti_info[RTAX_NETMASK] = rt_mask(rt);
1465 	info.rti_info[RTAX_GENMASK] = rt->rt_genmask;
1472 		ertm->rtm_flags = rt->rt_flags;
1473 		ertm->rtm_use = rt->rt_use;
1474 		rt_getmetrics(rt, &ertm->rtm_rmx);
1475 		ertm->rtm_index = rt->rt_ifp->if_index;
1480 		if (rt->rt_llinfo_get_ri == NULL) {
1487 			rt->rt_llinfo_get_ri(rt, &ertm->rtm_ri);
1490 		RT_UNLOCK(rt);
1493 	RT_UNLOCK(rt);