--- zzzz-none-000/linux-3.10.107/net/netfilter/nf_conntrack_proto_tcp.c	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/net/netfilter/nf_conntrack_proto_tcp.c	2021-11-10 11:53:56.000000000 +0000
@@ -8,6 +8,12 @@
  * 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/timer.h>
 #include <linux/module.h>
@@ -998,11 +1004,13 @@
 		break;
 	}
 
+#if !defined(CONFIG_FUSIV_KERNEL_AP_2_AP) && !defined(CONFIG_FUSIV_KERNEL_AP_2_AP_MODULE)
 	if (!tcp_in_window(ct, &ct->proto.tcp, dir, index,
 			   skb, dataoff, th, pf)) {
 		spin_unlock_bh(&ct->lock);
 		return -NF_ACCEPT;
 	}
+#endif
      in_window:
 	/* From now on we have got in-window packets */
 	ct->proto.tcp.last_index = index;
@@ -1702,3 +1710,6 @@
 	.get_net_proto		= tcp_get_net_proto,
 };
 EXPORT_SYMBOL_GPL(nf_conntrack_l4proto_tcp6);
+#ifdef CONFIG_MACH_FUSIV
+EXPORT_SYMBOL(tcp_timeouts);
+#endif