Update of /cvsroot/linux-vax/kernel-2.4/arch/vax/lib
In directory usw-pr-cvs1:/tmp/cvs-serv15834/arch/vax/lib
Added Files:
checksum.c
Log Message:
Add network checksum stubs.
--- NEW FILE ---
/*
* arch/vax/lib/checksum.c
* Fast network checksum routines
*
*
* This file contains network checksum routines
* FIXME: implement.
*/
#include <linux/string.h>
#include <linux/types.h>
#include <asm/uaccess.h>
#include <asm/byteorder.h>
#include <asm/checksum.h>
/*
* computes a partial checksum, e.g. for TCP/UDP fragments
*/
unsigned int
csum_partial (const unsigned char *buff, int len, unsigned int sum)
{
/*
* Experiments with ethernet and slip connections show that buff
* is aligned on either a 2-byte or 4-byte boundary.
*/
return sum;
}
/*
* Fold a partial checksum without adding pseudo headers
*/
unsigned short csum_fold(unsigned int sum)
{
return ((unsigned short) ~sum);
}
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