--- zzzz-none-000/linux-4.4.271/net/ipv6/ip6_output.c	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/net/ipv6/ip6_output.c	2023-04-19 10:22:30.000000000 +0000
@@ -57,6 +57,8 @@
 #include <linux/mroute6.h>
 #include <net/l3mdev.h>
 
+#include <avm/pa/avm_pa.h>
+
 static int ip6_finish_output2(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
 	struct dst_entry *dst = skb_dst(skb);
@@ -234,6 +236,11 @@
 	if ((skb->len <= mtu) || skb->ignore_df || skb_is_gso(skb)) {
 		IP6_UPD_PO_STATS(net, ip6_dst_idev(skb_dst(skb)),
 			      IPSTATS_MIB_OUT, skb->len);
+
+		/* For UDP, ICMPv6 and XFRM, see  __ip6_local_out() */
+		if (avm_pa_dev_local_out(AVM_PA_NET_IP6_DEVINFO(net), skb) == AVM_PA_RX_STOLEN)
+			return 0;
+
 		/* hooks should never assume socket lock is held.
 		 * we promote our socket to non const
 		 */
@@ -343,6 +350,7 @@
 	IP6_INC_STATS_BH(net, ip6_dst_idev(dst), IPSTATS_MIB_OUTFORWDATAGRAMS);
 	IP6_ADD_STATS_BH(net, ip6_dst_idev(dst), IPSTATS_MIB_OUTOCTETS, skb->len);
 	skb_sender_cpu_clear(skb);
+	avm_pa_mark_routed(skb);
 	return dst_output(net, sk, skb);
 }
 
@@ -562,6 +570,9 @@
 #ifdef CONFIG_NET_SCHED
 	to->tc_index = from->tc_index;
 #endif
+#ifdef CONFIG_AVM_PA
+	memcpy(AVM_PKT_INFO(to), AVM_PKT_INFO(from), sizeof(*AVM_PKT_INFO(to)));
+#endif
 	nf_copy(to, from);
 	skb_copy_secmark(to, from);
 }