arch/hexagon/include/asm/checksum.h

   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