diff --git a/include/net/ip.h b/include/net/ip.h
index d678ea3..1cbccaf 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -178,6 +178,10 @@
 extern int snmp_mib_init(void *ptr[2], size_t mibsize);
 extern void snmp_mib_free(void *ptr[2]);
 
+extern struct local_ports {
+	seqlock_t	lock;
+	int		range[2];
+} sysctl_local_ports;
 extern void inet_get_local_port_range(int *low, int *high);
 
 extern int sysctl_ip_default_ttl;