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()
1639 	struct rtable *rth;  in ip_route_input_mc()  local
1650 	rth = rt_dst_alloc(dev_net(dev)->loopback_dev, flags, RTN_MULTICAST,  in ip_route_input_mc()
1652 	if (!rth)  in ip_route_input_mc()
1656 	rth->dst.tclassid = itag;  in ip_route_input_mc()
1658 	rth->dst.output = ip_rt_bug;  in ip_route_input_mc()
1659 	rth->rt_is_input= 1;  in ip_route_input_mc()
1663 		rth->dst.input = ip_mr_input;  in ip_route_input_mc()
1667 	skb_dst_set(skb, &rth->dst);  in ip_route_input_mc()
1704 	struct rtable *rth;  in __mkroute_input()  local
1751 			rth = rcu_dereference(fnhe->fnhe_rth_input);  in __mkroute_input()
1753 			rth = rcu_dereference(FIB_RES_NH(*res).nh_rth_input);  in __mkroute_input()
1754 		if (rt_cache_valid(rth)) {  in __mkroute_input()
1755 			skb_dst_set_noref(skb, &rth->dst);  in __mkroute_input()
1760 	rth = rt_dst_alloc(out_dev->dev, 0, res->type,  in __mkroute_input()
1763 	if (!rth) {  in __mkroute_input()
1768 	rth->rt_is_input = 1;  in __mkroute_input()
1771 	rth->dst.input = ip_forward;  in __mkroute_input()
1773 	rt_set_nexthop(rth, daddr, res, fnhe, res->fi, res->type, itag,  in __mkroute_input()
1775 	lwtunnel_set_redirect(&rth->dst);  in __mkroute_input()
1776 	skb_dst_set(skb, &rth->dst);  in __mkroute_input()
1924 	struct rtable	*rth;  in ip_route_input_slow()  local
2043 			rth = rcu_dereference(FIB_RES_NH(*res).nh_rth_input);  in ip_route_input_slow()
2044 			if (rt_cache_valid(rth)) {  in ip_route_input_slow()
2045 				skb_dst_set_noref(skb, &rth->dst);  in ip_route_input_slow()
2053 	rth = rt_dst_alloc(l3mdev_master_dev_rcu(dev) ? : net->loopback_dev,  in ip_route_input_slow()
2056 	if (!rth)  in ip_route_input_slow()
2059 	rth->dst.output= ip_rt_bug;  in ip_route_input_slow()
2061 	rth->dst.tclassid = itag;  in ip_route_input_slow()
2063 	rth->rt_is_input = 1;  in ip_route_input_slow()
2067 		rth->dst.input= ip_error;  in ip_route_input_slow()
2068 		rth->dst.error= -err;  in ip_route_input_slow()
2069 		rth->rt_flags 	&= ~RTCF_LOCAL;  in ip_route_input_slow()
2075 		rth->dst.lwtstate = lwtstate_get(nh->nh_lwtstate);  in ip_route_input_slow()
2076 		if (lwtunnel_input_redirect(rth->dst.lwtstate)) {  in ip_route_input_slow()
2077 			WARN_ON(rth->dst.input == lwtunnel_input);  in ip_route_input_slow()
2078 			rth->dst.lwtstate->orig_input = rth->dst.input;  in ip_route_input_slow()
2079 			rth->dst.input = lwtunnel_input;  in ip_route_input_slow()
2082 		if (unlikely(!rt_cache_route(nh, rth)))  in ip_route_input_slow()
2083 			rt_add_uncached_list(rth);  in ip_route_input_slow()
2085 	skb_dst_set(skb, &rth->dst);  in ip_route_input_slow()
2195 	struct rtable *rth;  in __mkroute_output()  local
2270 		rth = rcu_dereference(*prth);  in __mkroute_output()
2271 		if (rt_cache_valid(rth) && dst_hold_safe(&rth->dst))  in __mkroute_output()
2272 			return rth;  in __mkroute_output()
2276 	rth = rt_dst_alloc(dev_out, flags, type,  in __mkroute_output()
2280 	if (!rth)  in __mkroute_output()
2283 	rth->rt_iif = orig_oif;  in __mkroute_output()
2290 			rth->dst.output = ip_mc_output;  in __mkroute_output()
2297 				rth->dst.input = ip_mr_input;  in __mkroute_output()
2298 				rth->dst.output = ip_mc_output;  in __mkroute_output()
2304 	rt_set_nexthop(rth, fl4->daddr, res, fnhe, fi, type, 0, do_cache);  in __mkroute_output()
2305 	lwtunnel_set_redirect(&rth->dst);  in __mkroute_output()
2307 	return rth;  in __mkroute_output()
2324 	struct rtable *rth;  in ip_route_output_key_hash()  local
2332 	rth = ip_route_output_key_hash_rcu(net, fl4, &res, skb);  in ip_route_output_key_hash()
2335 	return rth;  in ip_route_output_key_hash()
2346 	struct rtable *rth;  in ip_route_output_key_hash_rcu()  local
2350 		rth = ERR_PTR(-EINVAL);  in ip_route_output_key_hash_rcu()
2401 		rth = ERR_PTR(-ENODEV);  in ip_route_output_key_hash_rcu()
2407 			rth = ERR_PTR(-ENETUNREACH);  in ip_route_output_key_hash_rcu()
2470 		rth = ERR_PTR(err);  in ip_route_output_key_hash_rcu()
2503 	rth = __mkroute_output(res, fl4, orig_oif, dev_out, flags);  in ip_route_output_key_hash_rcu()
2506 	return rth;  in ip_route_output_key_hash_rcu()