--- zzzz-none-000/linux-4.19.183/net/netfilter/nf_queue.c	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/net/netfilter/nf_queue.c	2023-06-28 08:54:21.000000000 +0000
@@ -149,6 +149,12 @@
 	struct net *net = state->net;
 	unsigned int route_key_size;
 
+#if defined(CONFIG_BCM_KF_SGS) && defined(CONFIG_BCM_SGS)
+	/* Return if packet is already queued by SGS */
+	if (skbuff_bcm_ext_q_entry_get(skb))
+		return 0;
+#endif
+
 	/* QUEUE == DROP if no one is waiting, to be safe. */
 	qh = rcu_dereference(net->nf.queue_handler);
 	if (!qh) {