400 static inline bool rt_is_expired(const struct rtable *rth)  in rt_is_expired()  argument
402 	return rth->rt_genid != rt_genid_ipv4(dev_net(rth->dst.dev));  in rt_is_expired()
1716 	struct rtable *rth;  in ip_route_input_mc()  local
1727 	rth = rt_dst_alloc(dev_net(dev)->loopback_dev, flags, RTN_MULTICAST,  in ip_route_input_mc()
1729 	if (!rth)  in ip_route_input_mc()
1733 	rth->dst.tclassid = itag;  in ip_route_input_mc()
1735 	rth->dst.output = ip_rt_bug;  in ip_route_input_mc()
1736 	rth->rt_is_input= 1;  in ip_route_input_mc()
1740 		rth->dst.input = ip_mr_input;  in ip_route_input_mc()
1744 	skb_dst_set(skb, &rth->dst);  in ip_route_input_mc()
1783 	struct rtable *rth;  in __mkroute_input()  local
1834 			rth = rcu_dereference(fnhe->fnhe_rth_input);  in __mkroute_input()
1836 			rth = rcu_dereference(nhc->nhc_rth_input);  in __mkroute_input()
1837 		if (rt_cache_valid(rth)) {  in __mkroute_input()
1838 			skb_dst_set_noref(skb, &rth->dst);  in __mkroute_input()
1843 	rth = rt_dst_alloc(out_dev->dev, 0, res->type,  in __mkroute_input()
1846 	if (!rth) {  in __mkroute_input()
1851 	rth->rt_is_input = 1;  in __mkroute_input()
1854 	rth->dst.input = ip_forward;  in __mkroute_input()
1856 	rt_set_nexthop(rth, daddr, res, fnhe, res->fi, res->type, itag,  in __mkroute_input()
1858 	lwtunnel_set_redirect(&rth->dst);  in __mkroute_input()
1859 	skb_dst_set(skb, &rth->dst);  in __mkroute_input()
2216 	struct rtable	*rth;  in ip_route_input_slow()  local
2340 		rth = rcu_dereference(nhc->nhc_rth_input);  in ip_route_input_slow()
2341 		if (rt_cache_valid(rth)) {  in ip_route_input_slow()
2342 			skb_dst_set_noref(skb, &rth->dst);  in ip_route_input_slow()
2348 	rth = rt_dst_alloc(ip_rt_get_dev(net, res),  in ip_route_input_slow()
2351 	if (!rth)  in ip_route_input_slow()
2354 	rth->dst.output= ip_rt_bug;  in ip_route_input_slow()
2356 	rth->dst.tclassid = itag;  in ip_route_input_slow()
2358 	rth->rt_is_input = 1;  in ip_route_input_slow()
2362 		rth->dst.input= ip_error;  in ip_route_input_slow()
2363 		rth->dst.error= -err;  in ip_route_input_slow()
2364 		rth->rt_flags	&= ~RTCF_LOCAL;  in ip_route_input_slow()
2370 		rth->dst.lwtstate = lwtstate_get(nhc->nhc_lwtstate);  in ip_route_input_slow()
2371 		if (lwtunnel_input_redirect(rth->dst.lwtstate)) {  in ip_route_input_slow()
2372 			WARN_ON(rth->dst.input == lwtunnel_input);  in ip_route_input_slow()
2373 			rth->dst.lwtstate->orig_input = rth->dst.input;  in ip_route_input_slow()
2374 			rth->dst.input = lwtunnel_input;  in ip_route_input_slow()
2377 		if (unlikely(!rt_cache_route(nhc, rth)))  in ip_route_input_slow()
2378 			rt_add_uncached_list(rth);  in ip_route_input_slow()
2380 	skb_dst_set(skb, &rth->dst);  in ip_route_input_slow()
2491 	struct rtable *rth;  in __mkroute_output()  local
2566 		rth = rcu_dereference(*prth);  in __mkroute_output()
2567 		if (rt_cache_valid(rth) && dst_hold_safe(&rth->dst))  in __mkroute_output()
2568 			return rth;  in __mkroute_output()
2572 	rth = rt_dst_alloc(dev_out, flags, type,  in __mkroute_output()
2575 	if (!rth)  in __mkroute_output()
2578 	rth->rt_iif = orig_oif;  in __mkroute_output()
2585 			rth->dst.output = ip_mc_output;  in __mkroute_output()
2592 				rth->dst.input = ip_mr_input;  in __mkroute_output()
2593 				rth->dst.output = ip_mc_output;  in __mkroute_output()
2599 	rt_set_nexthop(rth, fl4->daddr, res, fnhe, fi, type, 0, do_cache);  in __mkroute_output()
2600 	lwtunnel_set_redirect(&rth->dst);  in __mkroute_output()
2602 	return rth;  in __mkroute_output()
2619 	struct rtable *rth;  in ip_route_output_key_hash()  local
2627 	rth = ip_route_output_key_hash_rcu(net, fl4, &res, skb);  in ip_route_output_key_hash()
2630 	return rth;  in ip_route_output_key_hash()
2641 	struct rtable *rth;  in ip_route_output_key_hash_rcu()  local
2648 			rth = ERR_PTR(-EINVAL);  in ip_route_output_key_hash_rcu()
2652 		rth = ERR_PTR(-ENETUNREACH);  in ip_route_output_key_hash_rcu()
2699 		rth = ERR_PTR(-ENODEV);  in ip_route_output_key_hash_rcu()
2705 			rth = ERR_PTR(-ENETUNREACH);  in ip_route_output_key_hash_rcu()
2768 		rth = ERR_PTR(err);  in ip_route_output_key_hash_rcu()
2799 	rth = __mkroute_output(res, fl4, orig_oif, dev_out, flags);  in ip_route_output_key_hash_rcu()
2802 	return rth;  in ip_route_output_key_hash_rcu()