--- zzzz-none-000/linux-4.19.183/net/ipv4/ip_forward.c	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/net/ipv4/ip_forward.c	2023-06-28 08:54:21.000000000 +0000
@@ -40,6 +40,8 @@
 #include <net/route.h>
 #include <net/xfrm.h>
 
+#include <avm/pa/avm_pa.h>
+
 static bool ip_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu)
 {
 	if (skb->len <= mtu)
@@ -73,6 +75,9 @@
 		ip_forward_options(skb);
 
 	skb->tstamp = 0;
+
+	avm_pa_mark_routed(skb);
+
 	return dst_output(net, sk, skb);
 }
 
@@ -147,6 +152,11 @@
 	if (net->ipv4.sysctl_ip_fwd_update_priority)
 		skb->priority = rt_tos2priority(iph->tos);
 
+#if defined(CONFIG_BCM_KF_MAP) && IS_ENABLED(CONFIG_BCM_MAP)
+	if (skbuff_bcm_ext_map_get(skb, map_forward) != MAP_FORWARD_NONE)
+		return ip_forward_finish(net, NULL, skb);
+#endif
+
 	return NF_HOOK(NFPROTO_IPV4, NF_INET_FORWARD,
 		       net, NULL, skb, skb->dev, rt->dst.dev,
 		       ip_forward_finish);