usr.sbin/in.routed/table.c

87  * mask and differing only in the least significant bit of the network
88  * number can be combined into a single route with a coarser mask.
91  * coarse mask provided no incompatible routes with intermediate masks
94  * an intermediate mask, since the suppressed route would be covered
209 			 * We found a route with a coarser mask that covers
233  * with coarser masks that match it, the one with the longest mask is
235  * and with the most restrictive mask first among routes to the same
240     in_addr_t lim_mask,		/* matching this mask */
315     in_addr_t	mask,
340 	if ((mask & -mask) + mask != 0) {
344 		nc_ag.ag_mask = mask;
361 		if (ag->ag_mask >= mask)
415 	while (ag != NULL && ag->ag_mask == mask &&
416 	    ((ag->ag_dst_h ^ dst) & (mask<<1)) == 0) {
467 				 * multiple routes to same dest/mask with
585 			 * mask and address.
600 		mask <<= 1;
601 		dst &= mask;
620 	if (ag != NULL && ag->ag_mask < mask) {
626 	if (ag != NULL && ag->ag_mask == mask) {
648 	nag->ag_mask = mask;
797     in_addr_t mask,
814 #define	ARGS rtm_type_name(action), rtname(dst, mask, gate), metric, flags
836 	if (mask == HOST_MASK) {
841 		w_mask.sin_addr.s_addr = htonl(mask);
904 kern_find(in_addr_t dst, in_addr_t mask, in_addr_t gate,
909 	for (pk = &KHASH(dst, mask); (k = *pk) != NULL; pk = &k->k_next) {
910 		if (k->k_dst == dst && k->k_mask == mask &&
927 kern_alternate(in_addr_t dst, in_addr_t mask, in_addr_t gate,
932 	for (pk = &KHASH(dst, mask); (k = *pk) != NULL; pk = &k->k_next) {
933 		if (k->k_dst == dst && k->k_mask == mask &&
945 kern_add(in_addr_t dst, uint32_t mask, in_addr_t gate, struct interface *ifp)
949 	k = kern_find(dst, mask, gate, ifp, &pk);
957 	k->k_mask = mask;
1041 			 * We are already tracking this dest/mask
1121 	in_addr_t mask, gate = 0;
1125 		mask = HOST_MASK;
1127 		mask = ntohl(S_ADDR(INFO_MASK(info)));
1130 		    "ignore %s without mask", rtm_type_name(rtm->rtm_type));
1146 			    addrname(S_ADDR(INFO_DST(info)), mask, 0),
1151 	k = kern_add(S_ADDR(INFO_DST(info)), mask, gate, ifp);
1573 	in_addr_t mask, gate;
1686 		mask = ((INFO_MASK(&info) != 0) ?
1692 		    addrname(S_ADDR(INFO_DST(&info)), mask, 0));
1741 				del_static(S_ADDR(INFO_DST(&info)), mask,
2177 del_static(in_addr_t dst, in_addr_t mask, in_addr_t gate,
2191 	k = kern_find(dst, mask, gate, ifp, NULL);
2201 	rt = rtget(dst, mask);
2278 rtget(in_addr_t dst, in_addr_t mask)
2283 	mask_sock.sin_addr.s_addr = htonl(mask);
2285 	if (rt == NULL || rt->rt_dst != dst || rt->rt_mask != mask)
2303     in_addr_t	mask,
2330 	if (mask != HOST_MASK) {
2332 		if ((smask & ~mask) == 0 && mask > smask)
2335 	mask_sock.sin_addr.s_addr = htonl(mask);
2336 	rt->rt_mask = mask;
2351 		msglog("rnh_addaddr() failed for %s mask=%s",
2352 		    naddr_ntoa(dst), naddr_ntoa(htonl(mask)));
2880 gwkludge_iflookup(in_addr_t dstaddr, in_addr_t addr, in_addr_t mask)
2892 		    ifp->int_mask == mask)