61 lines
1.2 KiB
C
61 lines
1.2 KiB
C
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/*
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* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
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* All rights reserved
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* www.brocade.com
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*
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* Linux driver for Brocade Fibre Channel Host Bus Adapter.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License (GPL) Version 2 as
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* 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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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/**
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* bfa_checksum.h BFA checksum utilities
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*/
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#ifndef __BFA_CHECKSUM_H__
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#define __BFA_CHECKSUM_H__
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static inline u32
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bfa_checksum_u32(u32 *buf, int sz)
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{
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int i, m = sz >> 2;
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u32 sum = 0;
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for (i = 0; i < m; i++)
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sum ^= buf[i];
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return (sum);
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}
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static inline u16
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bfa_checksum_u16(u16 *buf, int sz)
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{
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int i, m = sz >> 1;
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u16 sum = 0;
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for (i = 0; i < m; i++)
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sum ^= buf[i];
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return (sum);
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}
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static inline u8
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bfa_checksum_u8(u8 *buf, int sz)
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{
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int i;
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u8 sum = 0;
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for (i = 0; i < sz; i++)
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sum ^= buf[i];
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return (sum);
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}
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#endif
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