bsd/netinet6/in6_src.c

208 	struct in6_ifaddr *ia = NULL, *ia_best = NULL;
324 	for (ia = in6_ifaddrs; ia; ia = ia->ia_next) {
329 		struct ifnet *ifp1 = ia->ia_ifp;
331 		IFA_LOCK(&ia->ia_ifa);
342 		src = ia->ia_addr.sin6_addr;
349 		if ((ia->ia6_flags &
353 		if (!ip6_use_deprecated && IFA6_IS_DEPRECATED(ia))
357 		     (ia->ia6_flags & IN6_IFF_OPTIMISTIC) != 0)
361 		if (IN6_ARE_ADDR_EQUAL(&dst, &ia->ia_addr.sin6_addr))
370 		new_scope = in6_addrscope(&ia->ia_addr.sin6_addr);
385 		if (!IFA6_IS_DEPRECATED(ia_best) && IFA6_IS_DEPRECATED(ia))
387 		if (IFA6_IS_DEPRECATED(ia_best) && !IFA6_IS_DEPRECATED(ia))
395 		    (ia->ia6_flags & IN6_IFF_OPTIMISTIC) != 0)
398 		    (ia->ia6_flags & IN6_IFF_OPTIMISTIC) == 0)
408 		if (ia_best->ia_ifp == ifp && ia->ia_ifp != ifp)
410 		if (ia_best->ia_ifp != ifp && ia->ia_ifp == ifp)
420 			new_policy = in6_addrsel_lookup_policy(&ia->ia_addr);
450 		    (ia->ia6_flags & IN6_IFF_TEMPORARY)) {
457 		    !(ia->ia6_flags & IN6_IFF_TEMPORARY)) {
469 		    !(ia->ia_ifp->if_flags & IFF_UP))
472 		    (ia->ia_ifp->if_flags & IFF_UP))
483 		new_matchlen = in6_matchlen(&ia->ia_addr.sin6_addr, &dst);
495 		IFA_UNLOCK(&ia->ia_ifa);
500 			      in6_addrscope(&ia->ia_addr.sin6_addr));
502 			       in6_addrsel_lookup_policy(&ia->ia_addr));
504 				 in6_matchlen(&ia->ia_addr.sin6_addr, &dst));
505 		IFA_ADDREF_LOCKED(&ia->ia_ifa);	/* for ia_best */
506 		IFA_UNLOCK(&ia->ia_ifa);
509 		ia_best = ia;
513 		IFA_UNLOCK(&ia->ia_ifa);
517 		IFA_ADDREF_LOCKED(&ia->ia_ifa);	/* for ia_best */
518 		IFA_UNLOCK(&ia->ia_ifa);
521 		ia_best = ia;
534 	if ((ia = ia_best) == NULL) {
540 	IFA_LOCK_SPIN(&ia->ia_ifa);
541 	*src_storage = satosin6(&ia->ia_addr)->sin6_addr;
542 	IFA_UNLOCK(&ia->ia_ifa);
543 	IFA_REMREF(&ia->ia_ifa);