| /* |
| * Copyright (c) 2013 Google, Inc |
| * |
| * 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; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| |
| #ifndef __linux_crc8_h |
| #define __linux_crc8_h |
| |
| /** |
| * crc8() - Calculate and return CRC-8 of the data |
| * |
| * This uses an x^8 + x^2 + x + 1 polynomial. A table-based algorithm would |
| * be faster, but for only a few bytes it isn't worth the code size |
| * |
| * @vptr: Buffer to checksum |
| * @len: Length of buffer in bytes |
| * @return CRC8 checksum |
| */ |
| unsigned int crc8(const unsigned char *vptr, int len); |
| |
| #endif |
