Release 4.14 arch/blackfin/include/asm/checksum.h

/*
 * Copyright 2004-2009 Analog Devices Inc.
 *                     akbar.hussain@lineo.com
 *
 * Licensed under the GPL-2 or later.
 */

#ifndef _BFIN_CHECKSUM_H

#define _BFIN_CHECKSUM_H

/*
 * computes the checksum of the TCP/UDP pseudo-header
 * returns a 16-bit checksum, already complemented
 */


static inline __wsum

__csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len,
		     __u8 proto, __wsum sum)
{
	unsigned int carry;

	__asm__ ("%0 = %0 + %2;\n\t"
                "CC = AC0;\n\t"
                "%1 = CC;\n\t"
                "%0 = %0 + %1;\n\t"
                "%0 = %0 + %3;\n\t"
                "CC = AC0;\n\t"
                "%1 = CC;\n\t"
                "%0 = %0 + %1;\n\t"
                "%0 = %0 + %4;\n\t"
                "CC = AC0;\n\t"
                "%1 = CC;\n\t"
                "%0 = %0 + %1;\n\t"
                : "=d" (sum), "=&d" (carry)
                : "d" (daddr), "d" (saddr), "d" ((len + proto) << 8), "0"(sum)
                : "CC");

	return (sum);
}
Contributors
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Commits
CommitProp
Bryan Wu
20
62.50%
1
20.00%
Michael Hennerich
5
15.62%
1
20.00%
Al Viro
4
12.50%
1
20.00%
Alexander Duyck
2
6.25%
1
20.00%
Mike Frysinger
1
3.12%
1
20.00%
Total
32
100.00%
5
100.00%


#define csum_tcpudp_nofold __csum_tcpudp_nofold

#include <asm-generic/checksum.h>

#endif
Overall Contributors
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Commits
CommitProp
Bryan Wu
30
61.22%
1
16.67%
Mike Frysinger
7
14.29%
1
16.67%
Michael Hennerich
5
10.20%
1
16.67%
Al Viro
4
8.16%
1
16.67%
Alexander Duyck
2
4.08%
1
16.67%
Robin Getz
1
2.04%
1
16.67%
Total
49
100.00%
6
100.00%
Directory: arch/blackfin/include/asm

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