--- zzzz-none-000/linux-4.9.279/net/ipv4/netfilter/ip_tables.c	2021-08-08 06:38:54.000000000 +0000
+++ puma7-atom-6591-750/linux-4.9.279/net/ipv4/netfilter/ip_tables.c	2023-02-08 11:43:43.000000000 +0000
@@ -9,6 +9,13 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
+
+/*
+    Includes Intel Corporation's changes/modifications dated: [Mar.2017].
+    Changed/modified portions - Copyright (C) 2017, Intel Corporation
+    1. PP Hook
+*/
+
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 #include <linux/cache.h>
 #include <linux/capability.h>
@@ -28,9 +35,14 @@
 
 #include <linux/netfilter/x_tables.h>
 #include <linux/netfilter_ipv4/ip_tables.h>
+#include <linux/ti_hil.h>
 #include <net/netfilter/nf_log.h>
 #include "../../netfilter/xt_repldata.h"
 
+#ifdef CONFIG_TI_PACKET_PROCESSOR
+#include <linux/ti_hil.h>
+#endif
+
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Netfilter Core Team <coreteam@netfilter.org>");
 MODULE_DESCRIPTION("IPv4 packet filter");
@@ -373,6 +385,20 @@
 	xt_write_recseq_end(addend);
 	local_bh_enable();
 
+#ifdef CONFIG_TI_PACKET_PROCESSOR
+	if (acpar.hotdrop)
+	{
+		ti_hil_pp_event (TI_CT_NETFILTER_DISCARD_PKT, (void *)skb);
+	}
+	else
+	{
+		if (verdict == NF_DROP)
+		{
+			ti_hil_pp_event(TI_CT_NETFILTER_DISCARD_PKT, (void *)skb);
+		}
+	}
+#endif
+
 	if (acpar.hotdrop)
 		return NF_DROP;
 	else return verdict;
@@ -1112,6 +1138,10 @@
 	}
 	vfree(counters);
 	xt_table_unlock(t);
+#if defined(CONFIG_APPCPU_GW_PP_HANDLE) || defined(CONFIG_TI_PACKET_PROCESSOR)
+        ti_hil_pp_event (TI_CT_NETFILTER_TABLE_UPDATE, (void *)t);
+#endif
+
 	return ret;
 
  put_module: