--- zzzz-none-000/linux-3.10.107/net/netfilter/nf_conntrack_core.c	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/net/netfilter/nf_conntrack_core.c	2021-11-10 11:53:56.000000000 +0000
@@ -12,6 +12,12 @@
  * published by the Free Software Foundation.
  */
 
+/**
+ * Some part of this file is modified by Ikanos Communications. 
+ *
+ * Copyright (C) 2013-2014 Ikanos Communications.
+ */  
+
 #include <linux/types.h>
 #include <linux/netfilter.h>
 #include <linux/module.h>
@@ -53,6 +59,13 @@
 
 #define NF_CONNTRACK_VERSION	"0.5.0"
 
+#if IS_ENABLED(CONFIG_FUSIV_KERNEL_AP_2_AP)
+void (*ap2apRouteFlowDelete_ptr)(void *) = NULL;
+#endif
+#if IS_ENABLED(CONFIG_FUSIV_KERNEL_BWMON_STATS)      
+void (*bwmonDeleteConntrackDevId_ptr)(void *) = NULL;
+EXPORT_SYMBOL(bwmonDeleteConntrackDevId_ptr);
+#endif
 int (*nfnetlink_parse_nat_setup_hook)(struct nf_conn *ct,
 				      enum nf_nat_manip_type manip,
 				      const struct nlattr *attr) __read_mostly;
@@ -69,6 +82,11 @@
 
 unsigned int nf_conntrack_htable_size __read_mostly;
 EXPORT_SYMBOL_GPL(nf_conntrack_htable_size);
+#if IS_ENABLED(CONFIG_FUSIV_KERNEL_AP_2_AP)
+unsigned int *nf_ct_table_size = &nf_conntrack_htable_size;
+
+EXPORT_SYMBOL(nf_ct_table_size);
+#endif
 
 unsigned int nf_conntrack_max __read_mostly;
 EXPORT_SYMBOL_GPL(nf_conntrack_max);
@@ -207,6 +225,20 @@
 	NF_CT_ASSERT(atomic_read(&nfct->use) == 0);
 	NF_CT_ASSERT(!timer_pending(&ct->timeout));
 
+#if IS_ENABLED(CONFIG_FUSIV_KERNEL_AP_2_AP)
+	if(ap2apRouteFlowDelete_ptr != NULL)
+		(*ap2apRouteFlowDelete_ptr)(ct);
+	else
+		printk("\n%s: ap2ap_lkm not initialized properly\n",__FUNCTION__);
+#endif
+#if IS_ENABLED(CONFIG_FUSIV_KERNEL_BWMON_STATS)      
+     /* This ptr/hook is initialized by bandwidth monitoring module. This hook   
+        decrements usecount of device.Use count of device is incremented when    
+        a new connection is originated/used by that device.      
+      */         
+     if(bwmonDeleteConntrackDevId_ptr != NULL)   
+         (*bwmonDeleteConntrackDevId_ptr)(ct);   
+#endif
 	/* To make sure we don't get any weird locking issues here:
 	 * destroy_conntrack() MUST NOT be called with a write lock
 	 * to nf_conntrack_lock!!! -HW */
@@ -725,6 +757,9 @@
 	memset(&ct->tuplehash[IP_CT_DIR_MAX], 0,
 	       offsetof(struct nf_conn, proto) -
 	       offsetof(struct nf_conn, tuplehash[IP_CT_DIR_MAX]));
+#if IS_ENABLED(CONFIG_FUSIV_KERNEL_AP_2_AP)
+	memset((void *)&ct->ct_general, 0 , sizeof(struct nf_conntrack));
+#endif
 	spin_lock_init(&ct->lock);
 	ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple = *orig;
 	ct->tuplehash[IP_CT_DIR_ORIGINAL].hnnode.pprev = NULL;
@@ -1709,3 +1744,6 @@
 			enum ip_conntrack_dir dir,
 			u32 seq);
 EXPORT_SYMBOL_GPL(nf_ct_nat_offset);
+#if IS_ENABLED(CONFIG_FUSIV_KERNEL_AP_2_AP)
+EXPORT_SYMBOL(ap2apRouteFlowDelete_ptr);
+#endif