net: Refactor path selection in __ip_route_output_key_hash
[firefly-linux-kernel-4.4.55.git] / net / ipv4 / route.c
index 54297d3a05590861ddf480a6fbe1499c0fdd4a8f..54e6f456a760b35928e094ef29174a8d77c281a5 100644 (file)
@@ -2238,21 +2238,7 @@ struct rtable *__ip_route_output_key_hash(struct net *net, struct flowi4 *fl4,
                goto make_route;
        }
 
-#ifdef CONFIG_IP_ROUTE_MULTIPATH
-       if (res.fi->fib_nhs > 1 && fl4->flowi4_oif == 0) {
-               if (mp_hash < 0)
-                       mp_hash = fib_multipath_hash(fl4->saddr, fl4->daddr);
-               fib_select_multipath(&res, mp_hash);
-       }
-       else
-#endif
-       if (!res.prefixlen &&
-           res.table->tb_num_default > 1 &&
-           res.type == RTN_UNICAST && !fl4->flowi4_oif)
-               fib_select_default(fl4, &res);
-
-       if (!fl4->saddr)
-               fl4->saddr = FIB_RES_PREFSRC(net, res);
+       fib_select_path(net, &res, fl4, mp_hash);
 
        dev_out = FIB_RES_DEV(res);
        fl4->flowi4_oif = dev_out->ifindex;