61 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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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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| /**
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|  *  bfa_checksum.h BFA checksum utilities
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|  */
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| 
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| #ifndef __BFA_CHECKSUM_H__
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| #define __BFA_CHECKSUM_H__
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| 
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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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| 
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| 	for (i = 0; i < m; i++)
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| 		sum ^= buf[i];
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| 
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| 	return (sum);
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| }
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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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| 
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| 	for (i = 0; i < m; i++)
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| 		sum ^= buf[i];
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| 
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| 	return (sum);
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| }
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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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| 
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| 	for (i = 0; i < sz; i++)
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| 		sum ^= buf[i];
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| 
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| 	return (sum);
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| }
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| #endif
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