422 static inline bool rt_is_expired(const struct rtable *rth)  in rt_is_expired()  argument
424 	return rth->rt_genid != rt_genid_ipv4(dev_net(rth->dst.dev));  in rt_is_expired()
1732 	struct rtable *rth;  in ip_route_input_mc()  local
1743 	rth = rt_dst_alloc(dev_net(dev)->loopback_dev, flags, RTN_MULTICAST,  in ip_route_input_mc()
1745 	if (!rth)  in ip_route_input_mc()
1749 	rth->dst.tclassid = itag;  in ip_route_input_mc()
1751 	rth->dst.output = ip_rt_bug;  in ip_route_input_mc()
1752 	rth->rt_is_input= 1;  in ip_route_input_mc()
1756 		rth->dst.input = ip_mr_input;  in ip_route_input_mc()
1760 	skb_dst_set(skb, &rth->dst);  in ip_route_input_mc()
1799 	struct rtable *rth;  in __mkroute_input()  local
1850 			rth = rcu_dereference(fnhe->fnhe_rth_input);  in __mkroute_input()
1852 			rth = rcu_dereference(nhc->nhc_rth_input);  in __mkroute_input()
1853 		if (rt_cache_valid(rth)) {  in __mkroute_input()
1854 			skb_dst_set_noref(skb, &rth->dst);  in __mkroute_input()
1859 	rth = rt_dst_alloc(out_dev->dev, 0, res->type,  in __mkroute_input()
1862 	if (!rth) {  in __mkroute_input()
1867 	rth->rt_is_input = 1;  in __mkroute_input()
1870 	rth->dst.input = ip_forward;  in __mkroute_input()
1872 	rt_set_nexthop(rth, daddr, res, fnhe, res->fi, res->type, itag,  in __mkroute_input()
1874 	lwtunnel_set_redirect(&rth->dst);  in __mkroute_input()
1875 	skb_dst_set(skb, &rth->dst);  in __mkroute_input()
2096 	struct rtable	*rth;  in ip_route_input_slow()  local
2220 		rth = rcu_dereference(nhc->nhc_rth_input);  in ip_route_input_slow()
2221 		if (rt_cache_valid(rth)) {  in ip_route_input_slow()
2222 			skb_dst_set_noref(skb, &rth->dst);  in ip_route_input_slow()
2228 	rth = rt_dst_alloc(l3mdev_master_dev_rcu(dev) ? : net->loopback_dev,  in ip_route_input_slow()
2231 	if (!rth)  in ip_route_input_slow()
2234 	rth->dst.output= ip_rt_bug;  in ip_route_input_slow()
2236 	rth->dst.tclassid = itag;  in ip_route_input_slow()
2238 	rth->rt_is_input = 1;  in ip_route_input_slow()
2242 		rth->dst.input= ip_error;  in ip_route_input_slow()
2243 		rth->dst.error= -err;  in ip_route_input_slow()
2244 		rth->rt_flags 	&= ~RTCF_LOCAL;  in ip_route_input_slow()
2250 		rth->dst.lwtstate = lwtstate_get(nhc->nhc_lwtstate);  in ip_route_input_slow()
2251 		if (lwtunnel_input_redirect(rth->dst.lwtstate)) {  in ip_route_input_slow()
2252 			WARN_ON(rth->dst.input == lwtunnel_input);  in ip_route_input_slow()
2253 			rth->dst.lwtstate->orig_input = rth->dst.input;  in ip_route_input_slow()
2254 			rth->dst.input = lwtunnel_input;  in ip_route_input_slow()
2257 		if (unlikely(!rt_cache_route(nhc, rth)))  in ip_route_input_slow()
2258 			rt_add_uncached_list(rth);  in ip_route_input_slow()
2260 	skb_dst_set(skb, &rth->dst);  in ip_route_input_slow()
2371 	struct rtable *rth;  in __mkroute_output()  local
2446 		rth = rcu_dereference(*prth);  in __mkroute_output()
2447 		if (rt_cache_valid(rth) && dst_hold_safe(&rth->dst))  in __mkroute_output()
2448 			return rth;  in __mkroute_output()
2452 	rth = rt_dst_alloc(dev_out, flags, type,  in __mkroute_output()
2455 	if (!rth)  in __mkroute_output()
2458 	rth->rt_iif = orig_oif;  in __mkroute_output()
2465 			rth->dst.output = ip_mc_output;  in __mkroute_output()
2472 				rth->dst.input = ip_mr_input;  in __mkroute_output()
2473 				rth->dst.output = ip_mc_output;  in __mkroute_output()
2479 	rt_set_nexthop(rth, fl4->daddr, res, fnhe, fi, type, 0, do_cache);  in __mkroute_output()
2480 	lwtunnel_set_redirect(&rth->dst);  in __mkroute_output()
2482 	return rth;  in __mkroute_output()
2499 	struct rtable *rth;  in ip_route_output_key_hash()  local
2507 	rth = ip_route_output_key_hash_rcu(net, fl4, &res, skb);  in ip_route_output_key_hash()
2510 	return rth;  in ip_route_output_key_hash()
2521 	struct rtable *rth;  in ip_route_output_key_hash_rcu()  local
2528 			rth = ERR_PTR(-EINVAL);  in ip_route_output_key_hash_rcu()
2532 		rth = ERR_PTR(-ENETUNREACH);  in ip_route_output_key_hash_rcu()
2579 		rth = ERR_PTR(-ENODEV);  in ip_route_output_key_hash_rcu()
2585 			rth = ERR_PTR(-ENETUNREACH);  in ip_route_output_key_hash_rcu()
2648 		rth = ERR_PTR(err);  in ip_route_output_key_hash_rcu()
2679 	rth = __mkroute_output(res, fl4, orig_oif, dev_out, flags);  in ip_route_output_key_hash_rcu()
2682 	return rth;  in ip_route_output_key_hash_rcu()