817 	struct rt_entry *rt;  in kern_check_static()  local
830 	rt = rtget(k->k_dst, k->k_mask);  in kern_check_static()
831 	if (rt != NULL) {  in kern_check_static()
832 		if (!(rt->rt_state & RS_STATIC))  in kern_check_static()
833 			rtchange(rt, rt->rt_state | RS_STATIC, &new, 0);  in kern_check_static()
1399 #undef RT  in kern_out()
1408 #define RT ((struct rt_entry *)rn)  in walk_kern()  macro
1414 	if (RT->rt_state & RS_NET_SYN)  in walk_kern()
1417 	if (!(RT->rt_state & RS_IF)) {  in walk_kern()
1430 		if (RT_ISHOST(RT)  in walk_kern()
1431 		    && ntohl(RT->rt_dst) == RT->rt_gate)  in walk_kern()
1438 		if (RT->rt_ifp != 0 && (RT->rt_ifp->int_state & IS_EXTERNAL))  in walk_kern()
1452 		if (RT->rt_ifp == 0  in walk_kern()
1453 		    || (RT->rt_ifp->int_state & IS_REMOTE))  in walk_kern()
1462 	if ((RT->rt_state & RS_RDISC) && rip_sock < 0)  in walk_kern()
1465 	metric = RT->rt_metric;  in walk_kern()
1473 	ag_check(RT->rt_dst, RT->rt_mask, RT->rt_gate, 0,  in walk_kern()
1476 #undef RT  in walk_kern()
1561 	struct rt_entry *rt;  in del_static()  local
1580 	rt = rtget(dst, mask);  in del_static()
1581 	if (rt != NULL && (rt->rt_state & RS_STATIC))  in del_static()
1582 		rtbad(rt);  in del_static()
1670 	struct rt_entry *rt;  in rtget()  local
1675 	rt = (struct rt_entry *)rhead->rnh_lookup(&dst_sock,&mask_sock,rhead);  in rtget()
1676 	if (!rt  in rtget()
1677 	    || rt->rt_dst != dst  in rtget()
1678 	    || rt->rt_mask != mask)  in rtget()
1681 	return rt;  in rtget()
1703 	struct rt_entry *rt;  in rtadd()  local
1708 	rt = (struct rt_entry *)rtmalloc(sizeof (*rt), "rtadd");  in rtadd()
1709 	memset(rt, 0, sizeof(*rt));  in rtadd()
1710 	for (rts = rt->rt_spares, i = NUM_SPARES; i != 0; i--, rts++)  in rtadd()
1713 	rt->rt_nodes->rn_key = (caddr_t)&rt->rt_dst_sock;  in rtadd()
1714 	rt->rt_dst = dst;  in rtadd()
1715 	rt->rt_dst_sock.sin_family = AF_INET;  in rtadd()
1717 	rt->rt_dst_sock.sin_len = dst_sock.sin_len;  in rtadd()
1726 	rt->rt_mask = mask;  in rtadd()
1727 	rt->rt_state = state;  in rtadd()
1728 	rt->rt_spares[0] = *new;  in rtadd()
1729 	rt->rt_time = now.tv_sec;  in rtadd()
1730 	rt->rt_poison_metric = HOPCNT_INFINITY;  in rtadd()
1731 	rt->rt_seqno = update_seqno;  in rtadd()
1736 		trace_add_del("Add", rt);  in rtadd()
1741 	if (0 == rhead->rnh_addaddr(&rt->rt_dst_sock, &mask_sock,  in rtadd()
1742 				    rhead, rt->rt_nodes)) {  in rtadd()
1745 		free(rt);  in rtadd()
1753 rtchange(struct rt_entry *rt,  in rtchange()  argument
1758 	if (rt->rt_metric != new->rts_metric) {  in rtchange()
1768 		rt->rt_seqno = update_seqno;  in rtchange()
1772 	if (rt->rt_gate != new->rts_gate) {  in rtchange()
1774 		rt->rt_seqno = update_seqno;  in rtchange()
1778 	state |= (rt->rt_state & RS_SUBNET);  in rtchange()
1786 		trace_change(rt, state, new,  in rtchange()
1789 	rt->rt_state = state;  in rtchange()
1790 	rt->rt_spares[0] = *new;  in rtchange()
1797 rts_better(struct rt_entry *rt)  in rts_better()  argument
1803 	rts = rt->rt_spares+1;  in rts_better()
1805 		if (BETTER_LINK(rt,rts1,rts))  in rts_better()
1816 rtswitch(struct rt_entry *rt,  in rtswitch()  argument
1824 	if (0 != (rt->rt_state & (RS_MHOME | RS_STATIC | RS_RDISC  in rtswitch()
1830 		rts = rts_better(rt);  in rtswitch()
1834 	if (!BETTER_LINK(rt, rts, rt->rt_spares))  in rtswitch()
1837 	swap = rt->rt_spares[0];  in rtswitch()
1838 	(void)sprintf(label, "Use #%d", (int)(rts - rt->rt_spares));  in rtswitch()
1839 	rtchange(rt, rt->rt_state & ~(RS_NET_SYN | RS_RDISC), rts, label);  in rtswitch()
1849 rtdelete(struct rt_entry *rt)  in rtdelete()  argument
1855 		trace_add_del("Del", rt);  in rtdelete()
1857 	k = kern_find(rt->rt_dst, rt->rt_mask, 0);  in rtdelete()
1863 	dst_sock.sin_addr.s_addr = rt->rt_dst;  in rtdelete()
1864 	mask_sock.sin_addr.s_addr = htonl(rt->rt_mask);  in rtdelete()
1866 	if (rt != (struct rt_entry *)rhead->rnh_deladdr(&dst_sock, &mask_sock,  in rtdelete()
1870 		free(rt);  in rtdelete()
1877 rts_delete(struct rt_entry *rt,  in rts_delete()  argument
1880 	trace_upslot(rt, rts, &rts_empty);  in rts_delete()
1888 rtbad(struct rt_entry *rt)  in rtbad()  argument
1893 	new = rt->rt_spares[0];  in rtbad()
1895 	rtchange(rt, rt->rt_state & ~(RS_IF | RS_LOCAL | RS_STATIC), &new, 0);  in rtbad()
1896 	rtswitch(rt, 0);  in rtbad()
1904 rtbad_sub(struct rt_entry *rt)  in rtbad_sub()  argument
1914 	if (rt->rt_state & RS_LOCAL) {  in rtbad_sub()
1922 			if (ifp->int_addr == rt->rt_ifp->int_addr) {  in rtbad_sub()
1935 		if (rt->rt_state & RS_NET_SYN) {  in rtbad_sub()
1938 				    && rt->rt_mask == ifp->int_std_mask  in rtbad_sub()
1939 				    && rt->rt_dst == ifp->int_std_addr) {  in rtbad_sub()
1951 			if (intnetp->intnet_addr == rt->rt_dst  in rtbad_sub()
1952 			    && intnetp->intnet_mask == rt->rt_mask) {  in rtbad_sub()
1960 		struct rt_spare new = rt->rt_spares[0];  in rtbad_sub()
1962 		rtchange(rt, ((rt->rt_state & ~(RS_NET_SYN|RS_LOCAL)) | state),  in rtbad_sub()
1965 		rtbad(rt);  in rtbad_sub()
1978 #define RT ((struct rt_entry *)rn)  in walk_bad()  macro
1985 	rts = RT->rt_spares;  in walk_bad()
1991 			rts_delete(RT, rts);  in walk_bad()
1998 	if (RT->rt_ifp == 0 || !(RT->rt_ifp->int_state & IS_BROKE))  in walk_bad()
2003 	if (0 == (RT->rt_state & (RS_IF | RS_NET_SYN | RS_LOCAL))) {  in walk_bad()
2004 		rtbad(RT);  in walk_bad()
2008 	rtbad_sub(RT);  in walk_bad()
2010 #undef RT  in walk_bad()
2021 #define RT ((struct rt_entry *)rn)  in walk_age()  macro
2030 	rts = RT->rt_spares;  in walk_age()
2035 			if (!AGE_RT(RT->rt_state, ifp)) {  in walk_age()
2046 				rtdelete(RT);  in walk_age()
2062 			rts_delete(RT, rts);  in walk_age()
2067 	if (now_stale <= RT->rt_time)  in walk_age()
2071 	rtswitch(RT, 0);  in walk_age()
2074 	if (now_garbage > RT->rt_time) {  in walk_age()
2075 		rtdelete(RT);  in walk_age()
2080 	if (now.tv_sec - RT->rt_time > EXPIRE_TIME) {  in walk_age()
2081 		struct rt_spare new = RT->rt_spares[0];  in walk_age()
2083 		rtchange(RT, RT->rt_state, &new, 0);  in walk_age()