627 		rth->fl.iif && rth->u.dst.rt_next;  in rt_fast_clean()
672 	if (!rt->fl.iif ||  in rt_score()
690 		(fl1->iif ^ fl2->iif)) == 0);  in compare_hash_inputs()
701 		(fl1->iif ^ fl2->iif)) == 0;  in compare_keys()
1176 	if (rt->rt_type == RTN_UNICAST || rt->fl.iif == 0) {  in rt_intern_hash()
1361 				    rth->fl.iif != 0 ||  in ip_rt_redirect()
1627 				    rth->fl.iif != 0 ||  in ip_rt_frag_needed()
1749 	if (rt->fl.iif == 0)  in ip_rt_get_source()
1858 	rth->fl.iif	= dev->ifindex;  in ip_route_input_mc()
1996 		rth->fl.iif	= in_dev->dev->ifindex;  in __mkroute_input()
2040 	hash = rt_hash(daddr, saddr, fl->iif,  in ip_mkroute_input()
2067 			    .iif = dev->ifindex };  in ip_route_input_slow()
2183 	rth->fl.iif	= dev->ifindex;  in ip_route_input_slow()
2197 	hash = rt_hash(daddr, saddr, fl.iif, rt_genid(net));  in ip_route_input_slow()
2242 	int iif = dev->ifindex;  in ip_route_input()  local
2251 	hash = rt_hash(daddr, saddr, iif, rt_genid(net));  in ip_route_input()
2258 		     (rth->fl.iif ^ iif) |  in ip_route_input()
2466 			    .iif = net->loopback_dev->ifindex,  in ip_route_output_slow()
2670 		    rth->fl.iif == 0 &&  in __ip_route_output_key()
2821 	if (rt->fl.iif)  in rt_fill_info()
2842 	if (rt->fl.iif) {  in rt_fill_info()
2862 			NLA_PUT_U32(skb, RTA_IIF, rt->fl.iif);  in rt_fill_info()
2884 	u32 iif;  in inet_rtm_getroute()  local
2912 	iif = tb[RTA_IIF] ? nla_get_u32(tb[RTA_IIF]) : 0;  in inet_rtm_getroute()
2914 	if (iif) {  in inet_rtm_getroute()
2917 		dev = __dev_get_by_index(net, iif);  in inet_rtm_getroute()