--- zzzz-none-000/linux-3.10.107/net/ipv6/netfilter/nf_conntrack_reasm.c	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/net/ipv6/netfilter/nf_conntrack_reasm.c	2021-11-10 11:53:56.000000000 +0000
@@ -14,6 +14,12 @@
  * 2 of the License, or (at your option) any later version.
  */
 
+/**
+ * Some part of this file is modified by Ikanos Communications. 
+ *
+ * Copyright (C) 2013-2014 Ikanos Communications.
+ */
+
 #define pr_fmt(fmt) "IPv6-nf: " fmt
 
 #include <linux/errno.h>
@@ -437,6 +443,14 @@
 		else if (head->ip_summed == CHECKSUM_COMPLETE)
 			head->csum = csum_add(head->csum, fp->csum);
 		head->truesize += fp->truesize;
+#if defined(CONFIG_FUSIV_KERNEL_BWMON_STATS) || defined(CONFIG_FUSIV_KERNEL_BWMON_STATS_MODULE)
+        /* Sum up all fragments usReceivedLength and store in head SKB and set
+           all fragments usReceivedLength to zero. Please refer to ip_fragment
+           in ip_output.c file .
+         */
+        head->apFlowData.bwmonInfo.usReceivedLength += fp->apFlowData.bwmonInfo.usReceivedLength;
+        fp->apFlowData.bwmonInfo.usReceivedLength = 0 ;
+#endif
 	}
 	sub_frag_mem_limit(&fq->q, head->truesize);