bsd/netinet6/in6_src.c

694 	if (!select_srcif || (ro != NULL && ro->ro_rt != NULL &&
695 	    (ro->ro_rt->rt_flags & RTF_UP) &&
696 	    ro->ro_rt->generation_id == route_generation &&
698 		if (ro != NULL && ro->ro_rt != NULL) {
699 			ifa = ro->ro_rt->rt_ifa;
712 	if (ifscope != IFSCOPE_NONE || (ro != NULL && ro->ro_rt != NULL)) {
716 		rt_ifp = (ro->ro_rt != NULL) ? ro->ro_rt->rt_ifp : NULL;
730 			    ro->ro_rt->generation_id != route_generation)
753 			if (ro->ro_rt != NULL) {
810 		if (ron->ro_rt != NULL)
811 			RT_LOCK(ron->ro_rt);
812 		if ((ron->ro_rt != NULL &&
813 		    ((ron->ro_rt->rt_flags & (RTF_UP | RTF_LLINFO)) !=
815 		    ron->ro_rt->generation_id != route_generation ||
817 		    (ifa->ifa_ifp != ron->ro_rt->rt_ifp && !proxied_ifa))))) ||
820 			if (ron->ro_rt != NULL) {
821 				RT_UNLOCK(ron->ro_rt);
822 				rtfree(ron->ro_rt);
823 				ron->ro_rt = NULL;
827 		if (ron->ro_rt == NULL) {
829 			if (ron->ro_rt != NULL)
830 				RT_LOCK(ron->ro_rt);
831 			if (ron->ro_rt == NULL ||
832 			    !(ron->ro_rt->rt_flags & RTF_LLINFO) ||
833 			    !IN6_ARE_ADDR_EQUAL(&satosin6(rt_key(ron->ro_rt))->
835 				if (ron->ro_rt != NULL) {
836 					RT_UNLOCK(ron->ro_rt);
837 					rtfree(ron->ro_rt);
838 					ron->ro_rt = NULL;
845 		ifp = ifp0 = ron->ro_rt->rt_ifp;
857 			RT_UNLOCK(ron->ro_rt);
860 		RT_UNLOCK(ron->ro_rt);
870 	if (ro->ro_rt != NULL)
871 		RT_LOCK(ro->ro_rt);
872 	if (ro->ro_rt != NULL && (!(ro->ro_rt->rt_flags & RTF_UP) ||
874 	    ro->ro_rt->generation_id != route_generation ||
877 	    (ifa->ifa_ifp != ro->ro_rt->rt_ifp && !proxied_ifa))))) {
878 		RT_UNLOCK(ro->ro_rt);
879 		rtfree(ro->ro_rt);
880 		ro->ro_rt = NULL;
882 	if (ro->ro_rt == NULL) {
885 		if (ro->ro_rt != NULL)
886 			RT_UNLOCK(ro->ro_rt);
894 			ro->ro_rt = rtalloc1_scoped(
899 		if (ro->ro_rt != NULL)
900 			RT_LOCK(ro->ro_rt);
908 		if (ro->ro_rt != NULL)
909 			RT_UNLOCK(ro->ro_rt);
913 	if (ro->ro_rt != NULL) {
914 		RT_LOCK_ASSERT_HELD(ro->ro_rt);
915 		ifp = ifp0 = ro->ro_rt->rt_ifp;
923 		boolean_t has_route = (route != NULL && route->ro_rt != NULL);
927 			RT_LOCK_ASSERT_HELD(route->ro_rt);
936 		    !(route->ro_rt->rt_flags & RTF_UP))) {
944 			    (route->ro_rt->rt_flags & (RTF_UP|RTF_PROXY)) ==
963 				RT_UNLOCK(route->ro_rt);
964 				rtfree(route->ro_rt);
965 				route->ro_rt = NULL;
980 			route->ro_rt->generation_id = route_generation;
981 			RT_UNLOCK(route->ro_rt);
984 		if (ro->ro_rt != NULL)
985 			RT_UNLOCK(ro->ro_rt);
1008 		    (route != NULL && route->ro_rt != NULL &&
1009 		    route->ro_rt->rt_ifp->if_type == IFT_CELLULAR))) {
1010 			if (route != NULL && route->ro_rt != NULL) {
1011 				rtfree(route->ro_rt);
1012 				route->ro_rt = NULL;
1021 	if (ifp == NULL && (route == NULL || route->ro_rt == NULL)) {
1045 			*retrt = route->ro_rt;	/* ro_rt may be NULL */
1120 	if (ro == &sro && rt && rt == sro.ro_rt)