| * T10 Data Integrity Field CRC16 calculation |
| * Copyright (c) 2007 Oracle Corporation. All rights reserved. |
| * Written by Martin K. Petersen <martin.petersen@oracle.com> |
| * This source code is licensed under the GNU General Public License, |
| * Version 2. See the file COPYING for more details. |
| #include <linux/module.h> |
| #include <linux/crc-t10dif.h> |
| static struct crypto_shash *crct10dif_tfm; |
| __u16 crc_t10dif(const unsigned char *buffer, size_t len) |
| desc.shash.tfm = crct10dif_tfm; |
| err = crypto_shash_update(&desc.shash, buffer, len); |
| return *(__u16 *)desc.ctx; |
| EXPORT_SYMBOL(crc_t10dif); |
| static int __init crc_t10dif_mod_init(void) |
| crct10dif_tfm = crypto_alloc_shash("crct10dif", 0, 0); |
| return PTR_RET(crct10dif_tfm); |
| static void __exit crc_t10dif_mod_fini(void) |
| crypto_free_shash(crct10dif_tfm); |
| module_init(crc_t10dif_mod_init); |
| module_exit(crc_t10dif_mod_fini); |
| MODULE_DESCRIPTION("T10 DIF CRC calculation"); |