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

/*
 * Copyright (C) 2008 Michal Simek <monstr@monstr.eu>
 * Copyright (C) 2006 Atmark Techno, Inc.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License. See the file "COPYING" in the main directory of this archive
 * for more details.
 */

#ifndef _ASM_MICROBLAZE_CHECKSUM_H

#define _ASM_MICROBLAZE_CHECKSUM_H

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

#define csum_tcpudp_nofold	csum_tcpudp_nofold

static inline __wsum

csum_tcpudp_nofold(__be32 saddr, __be32 daddr, __u32 len,
		   __u8 proto, __wsum sum)
{
	__asm__("add %0, %0, %1\n\t"
                "addc %0, %0, %2\n\t"
                "addc %0, %0, %3\n\t"
                "addc %0, %0, r0\n\t"
                : "+&d" (sum)
                : "d" (saddr), "d" (daddr),
#ifdef __MICROBLAZEEL__
	"d" ((len + proto) << 8)
#else
	"d" (len + proto)
#endif
);
	return sum;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Michal Simek
32
88.89%
2
40.00%
Alexander Duyck
2
5.56%
1
20.00%
Remis Lima Baima
1
2.78%
1
20.00%
Arnd Bergmann
1
2.78%
1
20.00%
Total
36
100.00%
5
100.00%

#include <asm-generic/checksum.h>

#endif /* _ASM_MICROBLAZE_CHECKSUM_H */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Michal Simek
45
83.33%
2
40.00%
Remis Lima Baima
6
11.11%
1
20.00%
Alexander Duyck
2
3.70%
1
20.00%
Arnd Bergmann
1
1.85%
1
20.00%
Total
54
100.00%
5
100.00%
Directory: arch/microblaze/include/asm

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.