ia64/linux-2.6.18-xen.hg

view crypto/compress.c @ 854:950b9eb27661

usbback: fix urb interval value for interrupt urbs.

Signed-off-by: Noboru Iwamatsu <n_iwamatsu@jp.fujitsu.com>
author Keir Fraser <keir.fraser@citrix.com>
date Mon Apr 06 13:51:20 2009 +0100 (2009-04-06)
parents 831230e53067
children
line source
1 /*
2 * Cryptographic API.
3 *
4 * Compression operations.
5 *
6 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the Free
10 * Software Foundation; either version 2 of the License, or (at your option)
11 * any later version.
12 *
13 */
14 #include <linux/types.h>
15 #include <linux/crypto.h>
16 #include <linux/errno.h>
17 #include <asm/scatterlist.h>
18 #include <linux/string.h>
19 #include "internal.h"
21 static int crypto_compress(struct crypto_tfm *tfm,
22 const u8 *src, unsigned int slen,
23 u8 *dst, unsigned int *dlen)
24 {
25 return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst,
26 dlen);
27 }
29 static int crypto_decompress(struct crypto_tfm *tfm,
30 const u8 *src, unsigned int slen,
31 u8 *dst, unsigned int *dlen)
32 {
33 return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst,
34 dlen);
35 }
37 int crypto_init_compress_flags(struct crypto_tfm *tfm, u32 flags)
38 {
39 return flags ? -EINVAL : 0;
40 }
42 int crypto_init_compress_ops(struct crypto_tfm *tfm)
43 {
44 struct compress_tfm *ops = &tfm->crt_compress;
46 ops->cot_compress = crypto_compress;
47 ops->cot_decompress = crypto_decompress;
49 return 0;
50 }
52 void crypto_exit_compress_ops(struct crypto_tfm *tfm)
53 {
54 }