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TOMOYO Linux Cross Reference
Linux/arch/hexagon/include/asm/checksum.h

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  1 /*
  2  * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
  3  *
  4  * This program is free software; you can redistribute it and/or modify
  5  * it under the terms of the GNU General Public License version 2 and
  6  * only version 2 as published by the Free Software Foundation.
  7  *
  8  * This program is distributed in the hope that it will be useful,
  9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 11  * GNU General Public License for more details.
 12  *
 13  * You should have received a copy of the GNU General Public License
 14  * along with this program; if not, write to the Free Software
 15  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 16  * 02110-1301, USA.
 17  */
 18 
 19 #ifndef _ASM_CHECKSUM_H
 20 #define _ASM_CHECKSUM_H
 21 
 22 #define do_csum do_csum
 23 unsigned int do_csum(const void *voidptr, int len);
 24 
 25 /*
 26  * the same as csum_partial, but copies from src while it
 27  * checksums
 28  *
 29  * here even more important to align src and dst on a 32-bit (or even
 30  * better 64-bit) boundary
 31  */
 32 #define csum_partial_copy_nocheck csum_partial_copy_nocheck
 33 __wsum csum_partial_copy_nocheck(const void *src, void *dst,
 34                                         int len, __wsum sum);
 35 
 36 /*
 37  * computes the checksum of the TCP/UDP pseudo-header
 38  * returns a 16-bit checksum, already complemented
 39  */
 40 #define csum_tcpudp_nofold csum_tcpudp_nofold
 41 __wsum csum_tcpudp_nofold(unsigned long saddr, unsigned long daddr,
 42         unsigned short len, unsigned short proto, __wsum sum);
 43 
 44 #define csum_tcpudp_magic csum_tcpudp_magic
 45 __sum16 csum_tcpudp_magic(unsigned long saddr, unsigned long daddr,
 46         unsigned short len, unsigned short proto, __wsum sum);
 47 
 48 #include <asm-generic/checksum.h>
 49 
 50 #endif
 51 

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