bsd/net/route.c

145  * rt_key, rt_gateway, rt_ifp, rt_ifa
154  *	  entry will prevent its rt_key, rt_gateway, rt_ifp and rt_ifa
1051 		struct ifaddr *rt_ifa;
1072 		if ((rt_ifa = rt->rt_ifa) != NULL)
1073 			rt->rt_ifa = NULL;
1095 		if (rt_ifa != NULL)
1096 			IFA_REMREF(rt_ifa);
1204 	if (rt->rt_ifa == ifa)
1211 	if (rt->rt_ifa)
1212 		IFA_REMREF(rt->rt_ifa);
1214 	/* Set rt_ifa */
1215 	rt->rt_ifa = ifa;
1218 	if (rt->rt_ifa)
1219 		IFA_ADDREF(rt->rt_ifa);
1276 	 * possibility of rt_ifa/ifa's ifa_addr from changing (e.g.
1280 	     (!equal(src, rt->rt_gateway) || !equal(rt->rt_ifa->ifa_addr,
1488 			ifa = rt->rt_ifa;
1528 		ifa = rt->rt_ifa;
1732 		if ((ifa = rt->rt_ifa) != NULL) {
1738 			/* keep reference on rt_ifa */
1794 		 * parent's rt_ifa and rt_gateway will not change, and its
1800 		ifa = rt->rt_ifa;
1911 		rt->rt_ifp = rt->rt_ifa->ifa_ifp;
1958 			if (rt->rt_ifa) {
1959 				IFA_REMREF(rt->rt_ifa);
1960 				rt->rt_ifa = NULL;
2885 			if (rt->rt_ifa != ifa) {
2954 		if (rt->rt_ifa != ifa) {
2958 			if (!(rt->rt_ifa->ifa_ifp->if_flags &
2961 				    ifa, rt->rt_ifa);
2967 			IFA_LOCK_SPIN(rt->rt_ifa);
2968 			ifa_rtrequest = rt->rt_ifa->ifa_rtrequest;
2969 			IFA_UNLOCK(rt->rt_ifa);