--- zzzz-none-000/linux-5.15.111/net/l2tp/l2tp_core.c	2023-05-11 14:00:40.000000000 +0000
+++ puma7-arm-6670-761/linux-5.15.111/net/l2tp/l2tp_core.c	2024-02-07 09:28:10.000000000 +0000
@@ -13,6 +13,10 @@
  *		Arnaldo Carvalho de Melo <acme@xconectiva.com.br>
  *		David S. Miller (davem@redhat.com)
  */
+/*
+ * Includes Intel Corporation's changes/modifications dated: [10/03/2016].
+ * Changed/modified portions - Copyright © [2016], Intel Corporation.
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -66,6 +70,10 @@
 #define CREATE_TRACE_POINTS
 #include "trace.h"
 
+#ifdef CONFIG_TI_PACKET_PROCESSOR
+#include <linux/ti_hil.h>
+#endif
+
 #define L2TP_DRV_VERSION	"V2.0"
 
 /* L2TP header constants */
@@ -385,6 +393,15 @@
 	hlist_add_head(&session->hlist, head);
 	write_unlock_bh(&tunnel->hlist_lock);
 
+#ifdef CONFIG_TI_PACKET_PROCESSOR
+	/* Ignore management session in session count value */
+	if (session->session_id != 0) {
+			/* For L2TPv3 (PP does not support send_seq option) - Generate the HIL Event indicating that the L2TPv3 session has been created. */
+			if ((tunnel->version == L2TP_HDR_VER_3) && (!session->send_seq))
+				ti_hil_pp_event (TI_L2TP_ENTRY_CREATED, (void *)session);
+	}
+#endif// CONFIG_TI_PACKET_PROCESSOR
+
 	trace_register_session(session);
 
 	return 0;
@@ -1552,6 +1569,12 @@
 	if (test_and_set_bit(0, &session->dead))
 		return;
 
+#ifdef CONFIG_TI_PACKET_PROCESSOR
+	/* For L2TPv3 - Generate the HIL Event indicating that the L2TPv3 session has been deleted. */
+	if (session->tunnel->version == L2TP_HDR_VER_3)
+		ti_hil_pp_event (TI_L2TP_ENTRY_DELETED, (void *)session);
+#endif// CONFIG_TI_PACKET_PROCESSOR
+
 	trace_delete_session(session);
 	l2tp_session_unhash(session);
 	l2tp_session_queue_purge(session);