--- zzzz-none-000/linux-2.6.39.4/net/ipv4/ip_input.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/net/ipv4/ip_input.c	2021-11-10 13:38:18.000000000 +0000
@@ -112,6 +112,11 @@
  *		as published by the Free Software Foundation; either version
  *		2 of the License, or (at your option) any later version.
  */
+/*
+         Includes Intel Corporation's changes/modifications dated: [Dec.2013].
+         Changed/modified portions - Copyright © 2011, Intel Corporation
+         1. PP Hook
+*/
 
 #include <asm/system.h>
 #include <linux/module.h>
@@ -145,6 +150,10 @@
 #include <linux/mroute.h>
 #include <linux/netlink.h>
 
+#ifdef CONFIG_TI_PACKET_PROCESSOR
+#include <linux/ti_hil.h>
+#endif
+
 /*
  *	Process Router Attention IP option (RFC 2113)
  */
@@ -365,6 +374,10 @@
 	return dst_input(skb);
 
 drop:
+#ifdef CONFIG_TI_PACKET_PROCESSOR
+    /* Create a NULL PP device, to drop all dropped packets before they reach the host */
+    ti_hil_pp_event (TI_IP_DISCARD_PKT_IPV4, (void *)skb);
+#endif //CONFIG_TI_PACKET_PROCESSOR	
 	kfree_skb(skb);
 	return NET_RX_DROP;
 }
@@ -440,6 +453,10 @@
 	/* Must drop socket now because of tproxy. */
 	skb_orphan(skb);
 
+#ifdef CONFIG_AVM_PA
+	AVM_PKT_INFO(skb)->ptype_pid_handle = AVM_PA_PTYPE_DEVINFO(pt)->pid_handle;
+#endif
+
 	return NF_HOOK(NFPROTO_IPV4, NF_INET_PRE_ROUTING, skb, dev, NULL,
 		       ip_rcv_finish);