--- zzzz-none-000/linux-4.19.183/include/uapi/linux/netfilter/xt_connlimit.h	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/include/uapi/linux/netfilter/xt_connlimit.h	2023-06-28 08:54:20.000000000 +0000
@@ -10,6 +10,9 @@
 enum {
 	XT_CONNLIMIT_INVERT = 1 << 0,
 	XT_CONNLIMIT_DADDR  = 1 << 1,
+#if defined(CONFIG_BCM_KF_NETFILTER) || !defined(CONFIG_BCM_IN_KERNEL)
+	XT_CONNLIMIT_DADDR_DPORT  = 1 << 2,
+#endif
 };
 
 struct xt_connlimit_info {