| /* |
| * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. |
| * All rights reserved |
| * www.brocade.com |
| * |
| * Linux driver for Brocade Fibre Channel Host Bus Adapter. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License (GPL) Version 2 as |
| * published by the Free Software Foundation |
| * |
| * 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. See the GNU |
| * General Public License for more details. |
| */ |
| |
| /** |
| * bfa_checksum.h BFA checksum utilities |
| */ |
| |
| #ifndef __BFA_CHECKSUM_H__ |
| #define __BFA_CHECKSUM_H__ |
| |
| static inline u32 |
| bfa_checksum_u32(u32 *buf, int sz) |
| { |
| int i, m = sz >> 2; |
| u32 sum = 0; |
| |
| for (i = 0; i < m; i++) |
| sum ^= buf[i]; |
| |
| return sum; |
| } |
| |
| static inline u16 |
| bfa_checksum_u16(u16 *buf, int sz) |
| { |
| int i, m = sz >> 1; |
| u16 sum = 0; |
| |
| for (i = 0; i < m; i++) |
| sum ^= buf[i]; |
| |
| return sum; |
| } |
| |
| static inline u8 |
| bfa_checksum_u8(u8 *buf, int sz) |
| { |
| int i; |
| u8 sum = 0; |
| |
| for (i = 0; i < sz; i++) |
| sum ^= buf[i]; |
| |
| return sum; |
| } |
| #endif |
