diff --git a/repos/dde_linux/src/lib/lxip/dummies.cc b/repos/dde_linux/src/lib/lxip/dummies.cc
index c7adab2426..522f708209 100644
--- a/repos/dde_linux/src/lib/lxip/dummies.cc
+++ b/repos/dde_linux/src/lib/lxip/dummies.cc
@@ -603,8 +603,6 @@ DUMMY(0, raw_seqcount_begin)
 DUMMY(0, read_seqcount_retry)
 DUMMY(0, reciprocal_scale)
 DUMMY(0, round_down)
-DUMMY(0, rt_genid_bump_ipv4)
-DUMMY(0, rt_genid_ipv4)
 DUMMY(0, rtmsg_ifinfo_build_skb)
 DUMMY(0, rtmsg_ifinfo_send)
 DUMMY_SKIP(0, sched_annotate_sleep)
diff --git a/repos/dde_linux/src/lib/lxip/lxc_emul.c b/repos/dde_linux/src/lib/lxip/lxc_emul.c
index f66440fe83..5bff1c2651 100644
--- a/repos/dde_linux/src/lib/lxip/lxc_emul.c
+++ b/repos/dde_linux/src/lib/lxip/lxc_emul.c
@@ -151,6 +151,15 @@ int rt_genid(struct net *net)
 	return -1;
 }
 
+int rt_genid_ipv4(struct net *net)
+{
+    return atomic_read(&net->ipv4.rt_genid);
+}
+
+void rt_genid_bump_ipv4(struct net *net)
+{
+    atomic_inc(&net->ipv4.rt_genid);
+}
 
 /**********************
  ** linx/rtnetlink.h **