PERFORCE change 141885 for review

[Ryan French]

http://perforce.freebsd.org/chv.cgi?CH=141885

Change 141885 by rfrench at rfrench_mpls on 2008/05/20 05:23:48

	Fixed a bug where the ICMP header checksum value was not being computed correctly.	
	Submitted by: Ryan French	

Affected files ...

.. //depot/projects/soc2008/rfrench_mpls/mpls-needle/mpls-needle.c#4 edit
.. //depot/projects/soc2008/rfrench_mpls/mpls-needle/mpls-needle.conf#3 edit

Differences ...

==== //depot/projects/soc2008/rfrench_mpls/mpls-needle/mpls-needle.c#4 (text+ko) ====

@@ -392,7 +392,7 @@
 	icmph->icmp_type = icmp_type;
 	icmph->icmp_code = icmp_code;
 	icmph->icmp_cksum = 0;
-	icmph->icmp_cksum = htons(in_cksum((unsigned short *)icmph, sizeof(icmph)));
+	icmph->icmp_cksum = in_cksum((unsigned short *)icmph, 4);
 	
 	//set values in mpls header	
 	mplsh = htonl(mpls_label << 12 | mpls_qos << 9 | mpls_bos_flag << 8 | mpls_ttl);

==== //depot/projects/soc2008/rfrench_mpls/mpls-needle/mpls-needle.conf#3 (text+ko) ====

@@ -1,3 +1,3 @@
-dst_mac 00:16:d3:fc:c0:b8 ip4 10.1.18.149/10.1.18.162/2/0 icmp 0/0 mpls 55/1/1/3 
-dst_mac 00:16:d3:fc:c0:b8 ip4 10.1.18.149/10.1.18.162/2/0 icmp 0/0 mpls 44/1/1/3 
-dst_mac 00:16:d3:fc:c0:b8 ip4 10.1.18.149/10.1.18.162/2/0 icmp 0/0 mpls 66/1/1/3 +dst_mac 00:16:d3:fc:c0:b8 ip4 10.1.60.134/10.1.60.123/2/0 icmp 8/0 mpls 55/1/1/3 
+dst_mac 00:16:d3:fc:c0:b8 ip4 10.1.60.134/10.1.60.123/2/0 icmp 8/0 mpls 44/1/1/3 
+dst_mac 00:16:d3:fc:c0:b8 ip4 10.1.60.134/10.1.60.123/2/0 icmp 8/0 mpls 66/1/1/3