bsd/net/route.c

334 			__uint32_t	ifscope;
337 #define	sin_scope_id	un._in_index.ifscope
360 	unsigned int	ifscope;	/* interface scope */
414  * Set the ifscope of the primary interface; caller holds rnh_lock.
417 set_primary_ifscope(int af, unsigned int ifscope)
420 		primary_ifscope = ifscope;
422 		primary6_ifscope = ifscope;
426  * Return the ifscope of the primary interface; caller holds rnh_lock.
438 sin_set_ifscope(struct sockaddr *sa, unsigned int ifscope)
443 	SINIFSCOPE(sa)->sin_scope_id = ifscope;
450 sin6_set_ifscope(struct sockaddr *sa, unsigned int ifscope)
455 	SIN6IFSCOPE(sa)->sin6_scope_id = ifscope;
483 sin6_set_embedded_ifscope(struct sockaddr *sa, unsigned int ifscope)
489 	SIN6(sa)->sin6_addr.s6_addr16[1] = htons(ifscope);
505  * in a non-NULL pifscope with non-zero ifscope.  Otherwise if pifscope is
506  * non-NULL and ifscope is IFSCOPE_NONE, the existing scope ID is left intact.
515 	unsigned int ifscope = (pifscope != NULL) ? *pifscope : IFSCOPE_NONE;
523 		if (pifscope == NULL || ifscope != IFSCOPE_NONE)
524 			sin_set_ifscope(SA(dst), ifscope);
537 			if (eifscope != IFSCOPE_NONE && ifscope == IFSCOPE_NONE)
538 				ifscope = eifscope;
539 			sin6_set_ifscope(SA(dst), ifscope);
544 			if (ifscope != IFSCOPE_NONE && eifscope != ifscope)
545 				sin6_set_embedded_ifscope(SA(dst), ifscope);
546 		} else if (pifscope == NULL || ifscope != IFSCOPE_NONE) {
547 			sin6_set_ifscope(SA(dst), ifscope);
564     unsigned int ifscope)
573 	 * to cover the additional {sin,sin6}_ifscope field; when ifscope
581 		SINIFSCOPE(dst)->sin_scope_id = ifscope;
586 		SIN6IFSCOPE(dst)->sin6_scope_id = ifscope;
723 	    (SINIFSCOPE(rt_key(rt))->sin_scope_id == ma->ifscope) :
724 	    (SIN6IFSCOPE(rt_key(rt))->sin6_scope_id == ma->ifscope));
795 rtalloc_scoped(struct route *ro, unsigned int ifscope)
797 	rtalloc_scoped_ign(ro, 0, ifscope);
802     unsigned int ifscope)
817 	ro->ro_rt = rtalloc1_common_locked(&ro->ro_dst, 1, ignore, ifscope);
834 rtalloc_scoped_ign(struct route *ro, uint32_t ignore, unsigned int ifscope)
838 	rtalloc_ign_common_locked(ro, ignore, ifscope);
850     unsigned int ifscope)
852 	return (rtalloc1_common_locked(dst, report, ignflags, ifscope));
861     unsigned int ifscope)
876 	rt = rt_lookup(FALSE, dst, NULL, rnh, ifscope);
953     unsigned int ifscope)
958 	entry = rtalloc1_scoped_locked(dst, report, ignflags, ifscope);
1238 	unsigned int ifscope = (ifp != NULL) ? ifp->if_index : IFSCOPE_NONE;
1254 		src = sa_copy(src, &ss, &ifscope);
1261 	if ((ifa = ifa_ifwithnet_scoped(gateway, ifscope)) == NULL) {
1267 	rt = rtalloc1_scoped_locked(dst, 0, RTF_CLONING|RTF_PRCLONING, ifscope);
1329 			    gateway, netmask, flags, NULL, ifscope);
1416     const struct sockaddr *gateway, unsigned int ifscope)
1418 	if (ifscope != IFSCOPE_NONE)
1423 	return (ifa_ifwithroute_common_locked(flags, dst, gateway, ifscope));
1428     const struct sockaddr *gw, unsigned int ifscope)
1471 			ifa = ifa_ifwithaddr_scoped(gw, ifscope);
1481 		ifa = ifa_ifwithnet_scoped(gw, ifscope);
1485 		    0, 0, ifscope);
1524 	    0, 0, ifscope)) != NULL) {
1543 	    ifa != NULL && ifa->ifa_ifp->if_index != ifscope) {
1570     struct rtentry **ret_nrt, unsigned int ifscope)
1572 	if (ifscope != IFSCOPE_NONE)
1578 	    flags, ret_nrt, ifscope));
1599     struct rtentry **ret_nrt, unsigned int ifscope)
1648 		dst = sa_copy(dst, &ss, &ifscope);
1652 			netmask = ma_copy(af, netmask, &mask, ifscope);
1654 		if (ifscope != IFSCOPE_NONE)
1666 			ifscope = IFSCOPE_NONE;
1669 	if (ifscope == IFSCOPE_NONE)
1754 		 * the interface index used for the primary ifscope.
1829 			ifscope = IFSCOPE_NONE;
1833 				ifscope = (af == AF_INET) ?
1837 				ifscope = rt->rt_ifp->if_index;
1840 			VERIFY(ifscope != IFSCOPE_NONE);
1845 		 * clearing out the scope ID field if ifscope isn't set.
1847 		dst = sa_copy(dst, &ss, (ifscope == IFSCOPE_NONE) ?
1848 		    NULL : &ifscope);
1852 			netmask = ma_copy(af, netmask, &mask, ifscope);
1862 			    gateway, ifscope);
1928 				    RTF_CLONING | RTF_PRCLONING, ifscope);
2019 		 * the interface index used for the primary ifscope.
2080     unsigned int ifscope)
2086 	    ret_nrt, ifscope);
2306 		unsigned int ifscope;
2309 			ifscope = sin_get_ifscope(dst);
2311 			ifscope = sin6_get_ifscope(dst);
2313 			ifscope = IFSCOPE_NONE;
2321 		gwrt = rtalloc1_scoped_locked(gate, 1, RTF_PRCLONING, ifscope);
2352 		if (ifscope != IFSCOPE_NONE && (rt->rt_flags & RTF_IFSCOPE) &&
2354 		    gwrt->rt_ifp->if_index != ifscope) {
2377 		 * primary ifscope.  Also done in rt_setif() to take care
2557  * ifscope value passed in by the caller (IFSCOPE_NONE implies non-scoped).
2561     unsigned int ifscope)
2567 	struct matchleaf_arg ma = { ifscope };
2578 	 * clearing out the scope ID field if ifscope isn't set.
2580 	dst = sa_copy(dst, &ss, (ifscope == IFSCOPE_NONE) ? NULL : &ifscope);
2584 		netmask = ma_copy(af, netmask, &mask, ifscope);
2586 	if (ifscope == IFSCOPE_NONE)
2636     struct radix_node_head *rnh, unsigned int ifscope)
2681 	dst = sa_copy(dst, &dst_ss, &ifscope);
2683 		netmask = ma_copy(af, netmask, &mask_ss, ifscope);
2684 	dontcare = (ifscope == IFSCOPE_NONE);
2699 	 * any reason, there is no primary interface, ifscope will be
2705 		ifscope = get_primary_ifscope(af);
2721 			if (rt->rt_ifp->if_index != ifscope) {
2731 					ifscope = rt->rt_ifp->if_index;
2753 		rn = node_lookup(dst, netmask, ifscope);
2776 	    RT(rn)->rt_ifp->if_index != ifscope)
3543 			 * local copies to get rid of any ifscope association.