diff options
Diffstat (limited to 'arch/tile/include/asm/checksum.h')
-rw-r--r-- | arch/tile/include/asm/checksum.h | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/arch/tile/include/asm/checksum.h b/arch/tile/include/asm/checksum.h deleted file mode 100644 index b21a2fdec9f7..000000000000 --- a/arch/tile/include/asm/checksum.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Copyright 2010 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - */ - -#ifndef _ASM_TILE_CHECKSUM_H -#define _ASM_TILE_CHECKSUM_H - -#include <asm-generic/checksum.h> - -/* Allow us to provide a more optimized do_csum(). */ -__wsum do_csum(const unsigned char *buff, int len); -#define do_csum do_csum - -/* - * Return the sum of all the 16-bit subwords in a long. - * This sums two subwords on a 32-bit machine, and four on 64 bits. - * The implementation does two vector adds to capture any overflow. - */ -static inline unsigned int csum_long(unsigned long x) -{ - unsigned long ret; -#ifdef __tilegx__ - ret = __insn_v2sadu(x, 0); - ret = __insn_v2sadu(ret, 0); -#else - ret = __insn_sadh_u(x, 0); - ret = __insn_sadh_u(ret, 0); -#endif - return ret; -} - -#endif /* _ASM_TILE_CHECKSUM_H */ |