396 static inline bool rt_is_expired(const struct rtable *rth)  in rt_is_expired()  argument
401 	res = rth->rt_genid != rt_genid_ipv4(dev_net_rcu(rth->dst.dev));  in rt_is_expired()
1748 	struct rtable *rth;  in ip_route_input_mc()  local
1762 	rth = rt_dst_alloc(dev_net(dev)->loopback_dev, flags, RTN_MULTICAST,  in ip_route_input_mc()
1764 	if (!rth)  in ip_route_input_mc()
1768 	rth->dst.tclassid = itag;  in ip_route_input_mc()
1770 	rth->dst.output = ip_rt_bug;  in ip_route_input_mc()
1771 	rth->rt_is_input= 1;  in ip_route_input_mc()
1775 		rth->dst.input = ip_mr_input;  in ip_route_input_mc()
1780 	skb_dst_set(skb, &rth->dst);  in ip_route_input_mc()
1820 	struct rtable *rth;  in __mkroute_input()  local
1875 			rth = rcu_dereference(fnhe->fnhe_rth_input);  in __mkroute_input()
1877 			rth = rcu_dereference(nhc->nhc_rth_input);  in __mkroute_input()
1878 		if (rt_cache_valid(rth)) {  in __mkroute_input()
1879 			skb_dst_set_noref(skb, &rth->dst);  in __mkroute_input()
1884 	rth = rt_dst_alloc(out_dev->dev, 0, res->type,  in __mkroute_input()
1886 	if (!rth) {  in __mkroute_input()
1891 	rth->rt_is_input = 1;  in __mkroute_input()
1894 	rth->dst.input = ip_forward;  in __mkroute_input()
1896 	rt_set_nexthop(rth, daddr, res, fnhe, res->fi, res->type, itag,  in __mkroute_input()
1898 	lwtunnel_set_redirect(&rth->dst);  in __mkroute_input()
1899 	skb_dst_set(skb, &rth->dst);  in __mkroute_input()
2275 	struct rtable	*rth;  in ip_route_input_slow()  local
2421 		rth = rcu_dereference(nhc->nhc_rth_input);  in ip_route_input_slow()
2422 		if (rt_cache_valid(rth)) {  in ip_route_input_slow()
2423 			skb_dst_set_noref(skb, &rth->dst);  in ip_route_input_slow()
2429 	rth = rt_dst_alloc(ip_rt_get_dev(net, res),  in ip_route_input_slow()
2431 	if (!rth)  in ip_route_input_slow()
2434 	rth->dst.output= ip_rt_bug;  in ip_route_input_slow()
2436 	rth->dst.tclassid = itag;  in ip_route_input_slow()
2438 	rth->rt_is_input = 1;  in ip_route_input_slow()
2442 		rth->dst.input= ip_error;  in ip_route_input_slow()
2443 		rth->dst.error= -err;  in ip_route_input_slow()
2444 		rth->rt_flags	&= ~RTCF_LOCAL;  in ip_route_input_slow()
2450 		rth->dst.lwtstate = lwtstate_get(nhc->nhc_lwtstate);  in ip_route_input_slow()
2451 		if (lwtunnel_input_redirect(rth->dst.lwtstate)) {  in ip_route_input_slow()
2452 			WARN_ON(rth->dst.input == lwtunnel_input);  in ip_route_input_slow()
2453 			rth->dst.lwtstate->orig_input = rth->dst.input;  in ip_route_input_slow()
2454 			rth->dst.input = lwtunnel_input;  in ip_route_input_slow()
2457 		if (unlikely(!rt_cache_route(nhc, rth)))  in ip_route_input_slow()
2458 			rt_add_uncached_list(rth);  in ip_route_input_slow()
2460 	skb_dst_set(skb, &rth->dst);  in ip_route_input_slow()
2571 	struct rtable *rth;  in __mkroute_output()  local
2649 		rth = rcu_dereference(*prth);  in __mkroute_output()
2650 		if (rt_cache_valid(rth) && dst_hold_safe(&rth->dst))  in __mkroute_output()
2651 			return rth;  in __mkroute_output()
2655 	rth = rt_dst_alloc(dev_out, flags, type,  in __mkroute_output()
2657 	if (!rth)  in __mkroute_output()
2660 	rth->rt_iif = orig_oif;  in __mkroute_output()
2667 			rth->dst.output = ip_mc_output;  in __mkroute_output()
2674 				rth->dst.input = ip_mr_input;  in __mkroute_output()
2675 				rth->dst.output = ip_mr_output;  in __mkroute_output()
2681 	rt_set_nexthop(rth, fl4->daddr, res, fnhe, fi, type, 0, do_cache);  in __mkroute_output()
2682 	lwtunnel_set_redirect(&rth->dst);  in __mkroute_output()
2684 	return rth;  in __mkroute_output()
2700 	struct rtable *rth;  in ip_route_output_key_hash()  local
2705 	rth = ip_route_output_key_hash_rcu(net, fl4, &res, skb);  in ip_route_output_key_hash()
2708 	return rth;  in ip_route_output_key_hash()
2719 	struct rtable *rth;  in ip_route_output_key_hash_rcu()  local
2725 			rth = ERR_PTR(-EINVAL);  in ip_route_output_key_hash_rcu()
2729 		rth = ERR_PTR(-ENETUNREACH);  in ip_route_output_key_hash_rcu()
2776 		rth = ERR_PTR(-ENODEV);  in ip_route_output_key_hash_rcu()
2782 			rth = ERR_PTR(-ENETUNREACH);  in ip_route_output_key_hash_rcu()
2844 		rth = ERR_PTR(err);  in ip_route_output_key_hash_rcu()
2875 	rth = __mkroute_output(res, fl4, orig_oif, dev_out, flags);  in ip_route_output_key_hash_rcu()
2878 	return rth;  in ip_route_output_key_hash_rcu()