X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Modules%2FIPStack%2Fipv4.c;h=6c387cc173e0e6b48a78854e335af096acaaa559;hb=f903bcea88df0cf2e12583ae74e35c4bfb6760bf;hp=b77581eb0939c80c5e737385b7d10af947d0651c;hpb=461ede932582098035c9b1360f9fb40524d4af34;p=tpg%2Facess2.git

diff --git a/Modules/IPStack/ipv4.c b/Modules/IPStack/ipv4.c
index b77581eb..6c387cc1 100644
--- a/Modules/IPStack/ipv4.c
+++ b/Modules/IPStack/ipv4.c
@@ -317,12 +317,15 @@ Uint16 IPv4_Checksum(const void *Buf, int Size)
 	const Uint16	*arr = Buf;
 	 int	i;
 	
-	Size = (Size + 1) >> 1;	// 16-bit word count
-	for(i = 0; i < Size; i++ )
+	// Sum all whole words
+	for(i = 0; i < Size/2; i++ )
 	{
 		Uint16	val = ntohs(arr[i]);
 		sum += val;
 	}
+	// Add the tail word
+//	if( i*2 != Size )
+//		sum += arr[i]&0xFF;
 	
 	// Apply one's complement
 	while (sum >> 16)