checksum.h

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/*
 *  Copyright (C) 2011 Texas Instruments Incorporated
 *  Author: Mark Salter <[email protected]>
 *
 *  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 */