diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-19 17:48:32 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-19 17:48:32 -0700 |
commit | fb20871a54961b82d35303b43452928186c1361d (patch) | |
tree | 1beeb39e45eda1c8b5893090904b583fceeb07ef /drivers/staging/rtl8192su/ieee80211/crypto_compat.h | |
parent | bee89ab228e6f51c4ddd3481b9bd491859a8ee7b (diff) | |
parent | c7a5d70796379e3d51d0c652fbe1634b81d3bbd5 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6: (342 commits)
Staging: comedi: fix build errors
Staging: udlfb: update to version 0.2.3
Staging: udlfb: fix some sparse warnings.
Staging: udlfb: clean up checkpatch warnings in udlfb.c
Staging: udlfb: clean up checkpatch warnings in udlfb.h
Staging: udlfb: add udlfb driver to build
Staging: add udlfb driver
Staging: pata_rdc: remove pointless comments
Staging: pata_rdc: remove DRIVER macros
Staging: pata_rdc: remove dbgprintf macro
Staging: pata_rdc: remove broken flag
Staging: pata_rdc: fix build warnings
Staging: pata_rdc: use PCI_DEVICE
Staging: pata_rdc: remove function prototypes
Staging: pata_rdc: coding style fixes
Staging: pata_rdc: convert code to work in 2.6.29
Staging: pata_rdc: add driver to the build system
Staging: add pata_rdc driver
Staging: remove obsolete serqt_usb driver
Staging: serqt_usb2 add the driver to the build
...
Diffstat (limited to 'drivers/staging/rtl8192su/ieee80211/crypto_compat.h')
-rw-r--r-- | drivers/staging/rtl8192su/ieee80211/crypto_compat.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192su/ieee80211/crypto_compat.h b/drivers/staging/rtl8192su/ieee80211/crypto_compat.h new file mode 100644 index 00000000000..587e8bb2db6 --- /dev/null +++ b/drivers/staging/rtl8192su/ieee80211/crypto_compat.h @@ -0,0 +1,90 @@ +/* + * Header file to maintain compatibility among different kernel versions. + * + * Copyright (c) 2004-2006 <lawrence_wang@realsil.com.cn> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. See README and COPYING for + * more details. + */ + +#include <linux/crypto.h> + +static inline int crypto_cipher_encrypt(struct crypto_tfm *tfm, + struct scatterlist *dst, + struct scatterlist *src, + unsigned int nbytes) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); + return tfm->crt_cipher.cit_encrypt(tfm, dst, src, nbytes); +} + + +static inline int crypto_cipher_decrypt(struct crypto_tfm *tfm, + struct scatterlist *dst, + struct scatterlist *src, + unsigned int nbytes) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); + return tfm->crt_cipher.cit_decrypt(tfm, dst, src, nbytes); +} + +#if 0 +/* + * crypto_free_tfm - Free crypto transform + * @tfm: Transform to free + * + * crypto_free_tfm() frees up the transform and any associated resources, + * then drops the refcount on the associated algorithm. + */ +void crypto_free_tfm(struct crypto_tfm *tfm) +{ + struct crypto_alg *alg; + int size; + + if (unlikely(!tfm)) + return; + + alg = tfm->__crt_alg; + size = sizeof(*tfm) + alg->cra_ctxsize; + + if (alg->cra_exit) + alg->cra_exit(tfm); + crypto_exit_ops(tfm); + crypto_mod_put(alg); + memset(tfm, 0, size); + kfree(tfm); +} + +#endif +#if 1 + struct crypto_tfm *crypto_alloc_tfm(const char *name, u32 flags) +{ + struct crypto_tfm *tfm = NULL; + int err; + printk("call crypto_alloc_tfm!!!\n"); + do { + struct crypto_alg *alg; + + alg = crypto_alg_mod_lookup(name, 0, CRYPTO_ALG_ASYNC); + err = PTR_ERR(alg); + if (IS_ERR(alg)) + continue; + + tfm = __crypto_alloc_tfm(alg, flags); + err = 0; + if (IS_ERR(tfm)) { + crypto_mod_put(alg); + err = PTR_ERR(tfm); + tfm = NULL; + } + } while (err == -EAGAIN && !signal_pending(current)); + + return tfm; +} +#endif +//EXPORT_SYMBOL_GPL(crypto_alloc_tfm); +//EXPORT_SYMBOL_GPL(crypto_free_tfm); + + |