423 static inline bool rt_is_expired(const struct rtable *rth)  in rt_is_expired()  argument
425 	return rth->rt_genid != rt_genid_ipv4(dev_net(rth->dst.dev));  in rt_is_expired()
1752 	struct rtable *rth;  in ip_route_input_mc()  local
1763 	rth = rt_dst_alloc(dev_net(dev)->loopback_dev, flags, RTN_MULTICAST,  in ip_route_input_mc()
1765 	if (!rth)  in ip_route_input_mc()
1769 	rth->dst.tclassid = itag;  in ip_route_input_mc()
1771 	rth->dst.output = ip_rt_bug;  in ip_route_input_mc()
1772 	rth->rt_is_input= 1;  in ip_route_input_mc()
1776 		rth->dst.input = ip_mr_input;  in ip_route_input_mc()
1781 	skb_dst_set(skb, &rth->dst);  in ip_route_input_mc()
1820 	struct rtable *rth;  in __mkroute_input()  local
1871 			rth = rcu_dereference(fnhe->fnhe_rth_input);  in __mkroute_input()
1873 			rth = rcu_dereference(nhc->nhc_rth_input);  in __mkroute_input()
1874 		if (rt_cache_valid(rth)) {  in __mkroute_input()
1875 			skb_dst_set_noref(skb, &rth->dst);  in __mkroute_input()
1880 	rth = rt_dst_alloc(out_dev->dev, 0, res->type,  in __mkroute_input()
1883 	if (!rth) {  in __mkroute_input()
1888 	rth->rt_is_input = 1;  in __mkroute_input()
1891 	rth->dst.input = ip_forward;  in __mkroute_input()
1893 	rt_set_nexthop(rth, daddr, res, fnhe, res->fi, res->type, itag,  in __mkroute_input()
1895 	lwtunnel_set_redirect(&rth->dst);  in __mkroute_input()
1896 	skb_dst_set(skb, &rth->dst);  in __mkroute_input()
2078 	struct rtable	*rth;  in ip_route_input_slow()  local
2202 		rth = rcu_dereference(nhc->nhc_rth_input);  in ip_route_input_slow()
2203 		if (rt_cache_valid(rth)) {  in ip_route_input_slow()
2204 			skb_dst_set_noref(skb, &rth->dst);  in ip_route_input_slow()
2210 	rth = rt_dst_alloc(l3mdev_master_dev_rcu(dev) ? : net->loopback_dev,  in ip_route_input_slow()
2213 	if (!rth)  in ip_route_input_slow()
2216 	rth->dst.output= ip_rt_bug;  in ip_route_input_slow()
2218 	rth->dst.tclassid = itag;  in ip_route_input_slow()
2220 	rth->rt_is_input = 1;  in ip_route_input_slow()
2224 		rth->dst.input= ip_error;  in ip_route_input_slow()
2225 		rth->dst.error= -err;  in ip_route_input_slow()
2226 		rth->rt_flags 	&= ~RTCF_LOCAL;  in ip_route_input_slow()
2232 		rth->dst.lwtstate = lwtstate_get(nhc->nhc_lwtstate);  in ip_route_input_slow()
2233 		if (lwtunnel_input_redirect(rth->dst.lwtstate)) {  in ip_route_input_slow()
2234 			WARN_ON(rth->dst.input == lwtunnel_input);  in ip_route_input_slow()
2235 			rth->dst.lwtstate->orig_input = rth->dst.input;  in ip_route_input_slow()
2236 			rth->dst.input = lwtunnel_input;  in ip_route_input_slow()
2239 		if (unlikely(!rt_cache_route(nhc, rth)))  in ip_route_input_slow()
2240 			rt_add_uncached_list(rth);  in ip_route_input_slow()
2242 	skb_dst_set(skb, &rth->dst);  in ip_route_input_slow()
2353 	struct rtable *rth;  in __mkroute_output()  local
2428 		rth = rcu_dereference(*prth);  in __mkroute_output()
2429 		if (rt_cache_valid(rth) && dst_hold_safe(&rth->dst))  in __mkroute_output()
2430 			return rth;  in __mkroute_output()
2434 	rth = rt_dst_alloc(dev_out, flags, type,  in __mkroute_output()
2438 	if (!rth)  in __mkroute_output()
2441 	rth->rt_iif = orig_oif;  in __mkroute_output()
2448 			rth->dst.output = ip_mc_output;  in __mkroute_output()
2455 				rth->dst.input = ip_mr_input;  in __mkroute_output()
2456 				rth->dst.output = ip_mc_output;  in __mkroute_output()
2462 	rt_set_nexthop(rth, fl4->daddr, res, fnhe, fi, type, 0, do_cache);  in __mkroute_output()
2463 	lwtunnel_set_redirect(&rth->dst);  in __mkroute_output()
2465 	return rth;  in __mkroute_output()
2482 	struct rtable *rth;  in ip_route_output_key_hash()  local
2490 	rth = ip_route_output_key_hash_rcu(net, fl4, &res, skb);  in ip_route_output_key_hash()
2493 	return rth;  in ip_route_output_key_hash()
2504 	struct rtable *rth;  in ip_route_output_key_hash_rcu()  local
2511 			rth = ERR_PTR(-EINVAL);  in ip_route_output_key_hash_rcu()
2515 		rth = ERR_PTR(-ENETUNREACH);  in ip_route_output_key_hash_rcu()
2562 		rth = ERR_PTR(-ENODEV);  in ip_route_output_key_hash_rcu()
2568 			rth = ERR_PTR(-ENETUNREACH);  in ip_route_output_key_hash_rcu()
2631 		rth = ERR_PTR(err);  in ip_route_output_key_hash_rcu()
2662 	rth = __mkroute_output(res, fl4, orig_oif, dev_out, flags);  in ip_route_output_key_hash_rcu()
2665 	return rth;  in ip_route_output_key_hash_rcu()