420 static inline bool rt_is_expired(const struct rtable *rth)  in rt_is_expired()  argument
422 	return rth->rt_genid != rt_genid_ipv4(dev_net(rth->dst.dev));  in rt_is_expired()
1722 	struct rtable *rth;  in ip_route_input_mc()  local
1733 	rth = rt_dst_alloc(dev_net(dev)->loopback_dev, flags, RTN_MULTICAST,  in ip_route_input_mc()
1735 	if (!rth)  in ip_route_input_mc()
1739 	rth->dst.tclassid = itag;  in ip_route_input_mc()
1741 	rth->dst.output = ip_rt_bug;  in ip_route_input_mc()
1742 	rth->rt_is_input= 1;  in ip_route_input_mc()
1746 		rth->dst.input = ip_mr_input;  in ip_route_input_mc()
1750 	skb_dst_set(skb, &rth->dst);  in ip_route_input_mc()
1789 	struct rtable *rth;  in __mkroute_input()  local
1840 			rth = rcu_dereference(fnhe->fnhe_rth_input);  in __mkroute_input()
1842 			rth = rcu_dereference(nhc->nhc_rth_input);  in __mkroute_input()
1843 		if (rt_cache_valid(rth)) {  in __mkroute_input()
1844 			skb_dst_set_noref(skb, &rth->dst);  in __mkroute_input()
1849 	rth = rt_dst_alloc(out_dev->dev, 0, res->type,  in __mkroute_input()
1852 	if (!rth) {  in __mkroute_input()
1857 	rth->rt_is_input = 1;  in __mkroute_input()
1860 	rth->dst.input = ip_forward;  in __mkroute_input()
1862 	rt_set_nexthop(rth, daddr, res, fnhe, res->fi, res->type, itag,  in __mkroute_input()
1864 	lwtunnel_set_redirect(&rth->dst);  in __mkroute_input()
1865 	skb_dst_set(skb, &rth->dst);  in __mkroute_input()
2047 	struct rtable	*rth;  in ip_route_input_slow()  local
2170 		rth = rcu_dereference(nhc->nhc_rth_input);  in ip_route_input_slow()
2171 		if (rt_cache_valid(rth)) {  in ip_route_input_slow()
2172 			skb_dst_set_noref(skb, &rth->dst);  in ip_route_input_slow()
2178 	rth = rt_dst_alloc(l3mdev_master_dev_rcu(dev) ? : net->loopback_dev,  in ip_route_input_slow()
2181 	if (!rth)  in ip_route_input_slow()
2184 	rth->dst.output= ip_rt_bug;  in ip_route_input_slow()
2186 	rth->dst.tclassid = itag;  in ip_route_input_slow()
2188 	rth->rt_is_input = 1;  in ip_route_input_slow()
2192 		rth->dst.input= ip_error;  in ip_route_input_slow()
2193 		rth->dst.error= -err;  in ip_route_input_slow()
2194 		rth->rt_flags 	&= ~RTCF_LOCAL;  in ip_route_input_slow()
2200 		rth->dst.lwtstate = lwtstate_get(nhc->nhc_lwtstate);  in ip_route_input_slow()
2201 		if (lwtunnel_input_redirect(rth->dst.lwtstate)) {  in ip_route_input_slow()
2202 			WARN_ON(rth->dst.input == lwtunnel_input);  in ip_route_input_slow()
2203 			rth->dst.lwtstate->orig_input = rth->dst.input;  in ip_route_input_slow()
2204 			rth->dst.input = lwtunnel_input;  in ip_route_input_slow()
2207 		if (unlikely(!rt_cache_route(nhc, rth)))  in ip_route_input_slow()
2208 			rt_add_uncached_list(rth);  in ip_route_input_slow()
2210 	skb_dst_set(skb, &rth->dst);  in ip_route_input_slow()
2321 	struct rtable *rth;  in __mkroute_output()  local
2396 		rth = rcu_dereference(*prth);  in __mkroute_output()
2397 		if (rt_cache_valid(rth) && dst_hold_safe(&rth->dst))  in __mkroute_output()
2398 			return rth;  in __mkroute_output()
2402 	rth = rt_dst_alloc(dev_out, flags, type,  in __mkroute_output()
2406 	if (!rth)  in __mkroute_output()
2409 	rth->rt_iif = orig_oif;  in __mkroute_output()
2416 			rth->dst.output = ip_mc_output;  in __mkroute_output()
2423 				rth->dst.input = ip_mr_input;  in __mkroute_output()
2424 				rth->dst.output = ip_mc_output;  in __mkroute_output()
2430 	rt_set_nexthop(rth, fl4->daddr, res, fnhe, fi, type, 0, do_cache);  in __mkroute_output()
2431 	lwtunnel_set_redirect(&rth->dst);  in __mkroute_output()
2433 	return rth;  in __mkroute_output()
2450 	struct rtable *rth;  in ip_route_output_key_hash()  local
2458 	rth = ip_route_output_key_hash_rcu(net, fl4, &res, skb);  in ip_route_output_key_hash()
2461 	return rth;  in ip_route_output_key_hash()
2472 	struct rtable *rth;  in ip_route_output_key_hash_rcu()  local
2479 			rth = ERR_PTR(-EINVAL);  in ip_route_output_key_hash_rcu()
2483 		rth = ERR_PTR(-ENETUNREACH);  in ip_route_output_key_hash_rcu()
2530 		rth = ERR_PTR(-ENODEV);  in ip_route_output_key_hash_rcu()
2536 			rth = ERR_PTR(-ENETUNREACH);  in ip_route_output_key_hash_rcu()
2599 		rth = ERR_PTR(err);  in ip_route_output_key_hash_rcu()
2632 	rth = __mkroute_output(res, fl4, orig_oif, dev_out, flags);  in ip_route_output_key_hash_rcu()
2635 	return rth;  in ip_route_output_key_hash_rcu()