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()
1767 	struct rtable *rth;  in ip_route_input_mc()  local
1778 	rth = rt_dst_alloc(dev_net(dev)->loopback_dev, flags, RTN_MULTICAST,  in ip_route_input_mc()
1780 	if (!rth)  in ip_route_input_mc()
1784 	rth->dst.tclassid = itag;  in ip_route_input_mc()
1786 	rth->dst.output = ip_rt_bug;  in ip_route_input_mc()
1787 	rth->rt_is_input= 1;  in ip_route_input_mc()
1791 		rth->dst.input = ip_mr_input;  in ip_route_input_mc()
1796 	skb_dst_set(skb, &rth->dst);  in ip_route_input_mc()
1835 	struct rtable *rth;  in __mkroute_input()  local
1886 			rth = rcu_dereference(fnhe->fnhe_rth_input);  in __mkroute_input()
1888 			rth = rcu_dereference(nhc->nhc_rth_input);  in __mkroute_input()
1889 		if (rt_cache_valid(rth)) {  in __mkroute_input()
1890 			skb_dst_set_noref(skb, &rth->dst);  in __mkroute_input()
1895 	rth = rt_dst_alloc(out_dev->dev, 0, res->type,  in __mkroute_input()
1898 	if (!rth) {  in __mkroute_input()
1903 	rth->rt_is_input = 1;  in __mkroute_input()
1906 	rth->dst.input = ip_forward;  in __mkroute_input()
1908 	rt_set_nexthop(rth, daddr, res, fnhe, res->fi, res->type, itag,  in __mkroute_input()
1910 	lwtunnel_set_redirect(&rth->dst);  in __mkroute_input()
1911 	skb_dst_set(skb, &rth->dst);  in __mkroute_input()
2145 	struct rtable	*rth;  in ip_route_input_slow()  local
2269 		rth = rcu_dereference(nhc->nhc_rth_input);  in ip_route_input_slow()
2270 		if (rt_cache_valid(rth)) {  in ip_route_input_slow()
2271 			skb_dst_set_noref(skb, &rth->dst);  in ip_route_input_slow()
2277 	rth = rt_dst_alloc(ip_rt_get_dev(net, res),  in ip_route_input_slow()
2280 	if (!rth)  in ip_route_input_slow()
2283 	rth->dst.output= ip_rt_bug;  in ip_route_input_slow()
2285 	rth->dst.tclassid = itag;  in ip_route_input_slow()
2287 	rth->rt_is_input = 1;  in ip_route_input_slow()
2291 		rth->dst.input= ip_error;  in ip_route_input_slow()
2292 		rth->dst.error= -err;  in ip_route_input_slow()
2293 		rth->rt_flags 	&= ~RTCF_LOCAL;  in ip_route_input_slow()
2299 		rth->dst.lwtstate = lwtstate_get(nhc->nhc_lwtstate);  in ip_route_input_slow()
2300 		if (lwtunnel_input_redirect(rth->dst.lwtstate)) {  in ip_route_input_slow()
2301 			WARN_ON(rth->dst.input == lwtunnel_input);  in ip_route_input_slow()
2302 			rth->dst.lwtstate->orig_input = rth->dst.input;  in ip_route_input_slow()
2303 			rth->dst.input = lwtunnel_input;  in ip_route_input_slow()
2306 		if (unlikely(!rt_cache_route(nhc, rth)))  in ip_route_input_slow()
2307 			rt_add_uncached_list(rth);  in ip_route_input_slow()
2309 	skb_dst_set(skb, &rth->dst);  in ip_route_input_slow()
2420 	struct rtable *rth;  in __mkroute_output()  local
2495 		rth = rcu_dereference(*prth);  in __mkroute_output()
2496 		if (rt_cache_valid(rth) && dst_hold_safe(&rth->dst))  in __mkroute_output()
2497 			return rth;  in __mkroute_output()
2501 	rth = rt_dst_alloc(dev_out, flags, type,  in __mkroute_output()
2504 	if (!rth)  in __mkroute_output()
2507 	rth->rt_iif = orig_oif;  in __mkroute_output()
2514 			rth->dst.output = ip_mc_output;  in __mkroute_output()
2521 				rth->dst.input = ip_mr_input;  in __mkroute_output()
2522 				rth->dst.output = ip_mc_output;  in __mkroute_output()
2528 	rt_set_nexthop(rth, fl4->daddr, res, fnhe, fi, type, 0, do_cache);  in __mkroute_output()
2529 	lwtunnel_set_redirect(&rth->dst);  in __mkroute_output()
2531 	return rth;  in __mkroute_output()
2547 	struct rtable *rth;  in ip_route_output_key_hash()  local
2553 	rth = ip_route_output_key_hash_rcu(net, fl4, &res, skb);  in ip_route_output_key_hash()
2556 	return rth;  in ip_route_output_key_hash()
2567 	struct rtable *rth;  in ip_route_output_key_hash_rcu()  local
2574 			rth = ERR_PTR(-EINVAL);  in ip_route_output_key_hash_rcu()
2578 		rth = ERR_PTR(-ENETUNREACH);  in ip_route_output_key_hash_rcu()
2625 		rth = ERR_PTR(-ENODEV);  in ip_route_output_key_hash_rcu()
2631 			rth = ERR_PTR(-ENETUNREACH);  in ip_route_output_key_hash_rcu()
2694 		rth = ERR_PTR(err);  in ip_route_output_key_hash_rcu()
2725 	rth = __mkroute_output(res, fl4, orig_oif, dev_out, flags);  in ip_route_output_key_hash_rcu()
2728 	return rth;  in ip_route_output_key_hash_rcu()