mirror of https://gitee.com/openkylin/linux.git
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
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/*
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* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#ifndef _ASM_CHECKSUM_H
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#define _ASM_CHECKSUM_H
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#define do_csum do_csum
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unsigned int do_csum(const void *voidptr, int len);
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/*
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* the same as csum_partial, but copies from src while it
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* checksums
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*
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* here even more important to align src and dst on a 32-bit (or even
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* better 64-bit) boundary
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*/
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#define csum_partial_copy_nocheck csum_partial_copy_nocheck
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__wsum csum_partial_copy_nocheck(const void *src, void *dst,
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int len, __wsum sum);
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/*
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* computes the checksum of the TCP/UDP pseudo-header
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* returns a 16-bit checksum, already complemented
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*/
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#define csum_tcpudp_nofold csum_tcpudp_nofold
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__wsum csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr,
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unsigned short len, unsigned short proto, __wsum sum);
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#define csum_tcpudp_magic csum_tcpudp_magic
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__sum16 csum_tcpudp_magic(unsigned long saddr, unsigned long daddr,
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unsigned short len, unsigned short proto, __wsum sum);
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#include <asm-generic/checksum.h>
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#endif
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