--- zzzz-none-000/linux-5.15.111/net/netfilter/nf_conntrack_netlink.c	2023-05-11 14:00:40.000000000 +0000
+++ puma7-atom-6670-761/linux-5.15.111/net/netfilter/nf_conntrack_netlink.c	2024-02-07 10:23:30.000000000 +0000
@@ -14,6 +14,10 @@
  * This software may be used and distributed according to the terms
  * of the GNU General Public License, incorporated herein by reference.
  */
+/*
+ * Includes Intel Corporation's changes/modifications dated: 2018.
+ * Changed/modified portions - Copyright (c) 2018, Intel Corporation.
+ */
 
 #include <linux/init.h>
 #include <linux/module.h>
@@ -56,6 +60,10 @@
 
 #include "nf_internals.h"
 
+#ifdef CONFIG_INTEL_KERNEL_PP_DRIVER_LOCAL
+#include <linux/ti_hil.h>
+#endif /* CONFIG_INTEL_KERNEL_PP_DRIVER_LOCAL */
+
 MODULE_LICENSE("GPL");
 
 static int ctnetlink_dump_tuples_proto(struct sk_buff *skb,
@@ -1566,9 +1574,17 @@
 		if (IS_ERR(filter))
 			return PTR_ERR(filter);
 	}
-
+#ifdef CONFIG_INTEL_KERNEL_PP_DRIVER_LOCAL
+	/* For PP on ATOM, all active PP sessions to be deleted and disable PP to
+	 * avoid any new session creation when connection tracking entry is getting
+	 * flushed. This change is specific to PP on ATOM configuration only. */
+	ti_hil_pp_event (NETFILTER_CT_FLUSH_START, (void *)NULL);
+#endif
 	nf_ct_iterate_cleanup_net(net, ctnetlink_flush_iterate, filter,
 				  portid, report);
+#ifdef CONFIG_INTEL_KERNEL_PP_DRIVER_LOCAL
+	ti_hil_pp_event (NETFILTER_CT_FLUSH_END, (void *)NULL);
+#endif
 	kfree(filter);
 
 	return 0;