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/*
* Copyright (C) 2011 Texas Instruments Incorporated
* Author: Mark Salter <msalter@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _ASM_C6X_CHECKSUM_H
#define _ASM_C6X_CHECKSUM_H
static inline __wsum
csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
unsigned short proto, __wsum sum)
{
unsigned long long tmp;
asm ("add .d1 %1,%5,%1\n"
"|| addu .l1 %3,%4,%0\n"
"addu .l1 %2,%0,%0\n"
#ifndef CONFIG_CPU_BIG_ENDIAN
"|| shl .s1 %1,8,%1\n"
#endif
"addu .l1 %1,%0,%0\n"
"add .l1 %P0,%p0,%2\n"
: "=&a"(tmp), "+a"(len), "+a"(sum)
: "a" (saddr), "a" (daddr), "a" (proto));
return sum;
}
#define csum_tcpudp_nofold csum_tcpudp_nofold
#include <asm-generic/checksum.h>
#endif /* _ASM_C6X_CHECKSUM_H */