rename target/linux/generic-2.6 to generic

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21952 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 1210 deletions

diff --git a/target/linux/generic-2.6/files/crypto/ocf/cryptosoft.c b/target/linux/generic-2.6/files/crypto/ocf/cryptosoft.c
deleted file mode 100644
index 52e1570fc..000000000
--- a/target/linux/generic-2.6/files/crypto/ocf/cryptosoft.c
+++ /dev/null
@@ -1,1210 +0,0 @@
-/*
- * An OCF module that uses the linux kernel cryptoapi, based on the
- * original cryptosoft for BSD by Angelos D. Keromytis (angelos@cis.upenn.edu)
- * but is mostly unrecognisable,
- *
- * Written by David McCullough <david_mccullough@mcafee.com>
- * Copyright (C) 2004-2010 David McCullough
- * Copyright (C) 2004-2005 Intel Corporation.
- *
- * LICENSE TERMS
- *
- * The free distribution and use of this software in both source and binary
- * form is allowed (with or without changes) provided that:
- *
- *   1. distributions of this source code include the above copyright
- *      notice, this list of conditions and the following disclaimer;
- *
- *   2. distributions in binary form include the above copyright
- *      notice, this list of conditions and the following disclaimer
- *      in the documentation and/or other associated materials;
- *
- *   3. the copyright holder's name is not used to endorse products
- *      built using this software without specific written permission.
- *
- * ALTERNATIVELY, provided that this notice is retained in full, this product
- * may be distributed under the terms of the GNU General Public License (GPL),
- * in which case the provisions of the GPL apply INSTEAD OF those given above.
- *
- * DISCLAIMER
- *
- * This software is provided 'as is' with no explicit or implied warranties
- * in respect of its properties, including, but not limited to, correctness
- * and/or fitness for purpose.
- * ---------------------------------------------------------------------------
- */
-
-#ifndef AUTOCONF_INCLUDED
-#include <linux/config.h>
-#endif
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/slab.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
-#include <linux/crypto.h>
-#include <linux/mm.h>
-#include <linux/skbuff.h>
-#include <linux/random.h>
-#include <linux/version.h>
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,10)
-#include <linux/scatterlist.h>
-#endif
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29)
-#include <crypto/hash.h>
-#endif
-
-#include <cryptodev.h>
-#include <uio.h>
-
-struct {
-	softc_device_decl	sc_dev;
-} swcr_softc;
-
-#define offset_in_page(p) ((unsigned long)(p) & ~PAGE_MASK)
-
-#define SW_TYPE_CIPHER		0x01
-#define SW_TYPE_HMAC		0x02
-#define SW_TYPE_HASH		0x04
-#define SW_TYPE_COMP		0x08
-#define SW_TYPE_BLKCIPHER	0x10
-#define SW_TYPE_ALG_MASK	0x1f
-
-#define SW_TYPE_ASYNC		0x8000
-
-/* We change some of the above if we have an async interface */
-
-#define SW_TYPE_ALG_AMASK	(SW_TYPE_ALG_MASK | SW_TYPE_ASYNC)
-
-#define SW_TYPE_ABLKCIPHER	(SW_TYPE_BLKCIPHER | SW_TYPE_ASYNC)
-#define SW_TYPE_AHASH		(SW_TYPE_HASH | SW_TYPE_ASYNC)
-#define SW_TYPE_AHMAC		(SW_TYPE_HMAC | SW_TYPE_ASYNC)
-
-#define SCATTERLIST_MAX 16
-
-struct swcr_data {
-	int					sw_type;
-	int					sw_alg;
-	struct crypto_tfm	*sw_tfm;
-	union {
-		struct {
-			char *sw_key;
-			int  sw_klen;
-			int  sw_mlen;
-		} hmac;
-		void *sw_comp_buf;
-	} u;
-	struct swcr_data	*sw_next;
-};
-
-struct swcr_req {
-	struct swcr_data	*sw_head;
-	struct swcr_data	*sw;
-	struct cryptop		*crp;
-	struct cryptodesc	*crd;
-	struct scatterlist	 sg[SCATTERLIST_MAX];
-	unsigned char		 iv[EALG_MAX_BLOCK_LEN];
-	char				 result[HASH_MAX_LEN];
-	void				*crypto_req;
-};
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-static kmem_cache_t *swcr_req_cache;
-#else
-static struct kmem_cache *swcr_req_cache;
-#endif
-
-#ifndef CRYPTO_TFM_MODE_CBC
-/*
- * As of linux-2.6.21 this is no longer defined, and presumably no longer
- * needed to be passed into the crypto core code.
- */
-#define	CRYPTO_TFM_MODE_CBC	0
-#define	CRYPTO_TFM_MODE_ECB	0
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-	/*
-	 * Linux 2.6.19 introduced a new Crypto API, setup macro's to convert new
-	 * API into old API.
-	 */
-
-	/* Symmetric/Block Cipher */
-	struct blkcipher_desc
-	{
-		struct crypto_tfm *tfm;
-		void *info;
-	};
-	#define ecb(X)								#X , CRYPTO_TFM_MODE_ECB
-	#define cbc(X)								#X , CRYPTO_TFM_MODE_CBC
-	#define crypto_has_blkcipher(X, Y, Z)		crypto_alg_available(X, 0)
-	#define crypto_blkcipher_cast(X)			X
-	#define crypto_blkcipher_tfm(X)				X
-	#define crypto_alloc_blkcipher(X, Y, Z)		crypto_alloc_tfm(X, mode)
-	#define crypto_blkcipher_ivsize(X)			crypto_tfm_alg_ivsize(X)
-	#define crypto_blkcipher_blocksize(X)		crypto_tfm_alg_blocksize(X)
-	#define crypto_blkcipher_setkey(X, Y, Z)	crypto_cipher_setkey(X, Y, Z)
-	#define crypto_blkcipher_encrypt_iv(W, X, Y, Z)	\
-				crypto_cipher_encrypt_iv((W)->tfm, X, Y, Z, (u8 *)((W)->info))
-	#define crypto_blkcipher_decrypt_iv(W, X, Y, Z)	\
-				crypto_cipher_decrypt_iv((W)->tfm, X, Y, Z, (u8 *)((W)->info))
-	#define crypto_blkcipher_set_flags(x, y)	/* nop */
-
-	/* Hash/HMAC/Digest */
-	struct hash_desc
-	{
-		struct crypto_tfm *tfm;
-	};
-	#define hmac(X)							#X , 0
-	#define crypto_has_hash(X, Y, Z)		crypto_alg_available(X, 0)
-	#define crypto_hash_cast(X)				X
-	#define crypto_hash_tfm(X)				X
-	#define crypto_alloc_hash(X, Y, Z)		crypto_alloc_tfm(X, mode)
-	#define crypto_hash_digestsize(X)		crypto_tfm_alg_digestsize(X)
-	#define crypto_hash_digest(W, X, Y, Z)	\
-				crypto_digest_digest((W)->tfm, X, sg_num, Z)
-
-	/* Asymmetric Cipher */
-	#define crypto_has_cipher(X, Y, Z)		crypto_alg_available(X, 0)
-
-	/* Compression */
-	#define crypto_has_comp(X, Y, Z)		crypto_alg_available(X, 0)
-	#define crypto_comp_tfm(X)				X
-	#define crypto_comp_cast(X)				X
-	#define crypto_alloc_comp(X, Y, Z)		crypto_alloc_tfm(X, mode)
-	#define plain(X)	#X , 0
-#else
-	#define ecb(X)	"ecb(" #X ")" , 0
-	#define cbc(X)	"cbc(" #X ")" , 0
-	#define hmac(X)	"hmac(" #X ")" , 0
-	#define plain(X)	#X , 0
-#endif /* if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) */
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
-/* no ablkcipher in older kernels */
-#define crypto_alloc_ablkcipher(a,b,c)		(NULL)
-#define crypto_ablkcipher_tfm(x)			((struct crypto_tfm *)(x))
-#define crypto_ablkcipher_set_flags(a, b)	/* nop */
-#define crypto_ablkcipher_setkey(x, y, z)	(-EINVAL)
-#define	crypto_has_ablkcipher(a,b,c)		(0)
-#else
-#define	HAVE_ABLKCIPHER
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
-/* no ahash in older kernels */
-#define crypto_ahash_tfm(x)					((struct crypto_tfm *)(x))
-#define	crypto_alloc_ahash(a,b,c)			(NULL)
-#define	crypto_ahash_digestsize(x)			0
-#else
-#define	HAVE_AHASH
-#endif
-
-struct crypto_details {
-	char *alg_name;
-	int mode;
-	int sw_type;
-};
-
-static struct crypto_details crypto_details[] = {
-	[CRYPTO_DES_CBC]         = { cbc(des),          SW_TYPE_BLKCIPHER, },
-	[CRYPTO_3DES_CBC]        = { cbc(des3_ede),     SW_TYPE_BLKCIPHER, },
-	[CRYPTO_BLF_CBC]         = { cbc(blowfish),     SW_TYPE_BLKCIPHER, },
-	[CRYPTO_CAST_CBC]        = { cbc(cast5),        SW_TYPE_BLKCIPHER, },
-	[CRYPTO_SKIPJACK_CBC]    = { cbc(skipjack),     SW_TYPE_BLKCIPHER, },
-	[CRYPTO_MD5_HMAC]        = { hmac(md5),         SW_TYPE_HMAC, },
-	[CRYPTO_SHA1_HMAC]       = { hmac(sha1),        SW_TYPE_HMAC, },
-	[CRYPTO_RIPEMD160_HMAC]  = { hmac(ripemd160),   SW_TYPE_HMAC, },
-	[CRYPTO_MD5_KPDK]        = { plain(md5-kpdk),   SW_TYPE_HASH, },
-	[CRYPTO_SHA1_KPDK]       = { plain(sha1-kpdk),  SW_TYPE_HASH, },
-	[CRYPTO_AES_CBC]         = { cbc(aes),          SW_TYPE_BLKCIPHER, },
-	[CRYPTO_ARC4]            = { ecb(arc4),         SW_TYPE_BLKCIPHER, },
-	[CRYPTO_MD5]             = { plain(md5),        SW_TYPE_HASH, },
-	[CRYPTO_SHA1]            = { plain(sha1),       SW_TYPE_HASH, },
-	[CRYPTO_NULL_HMAC]       = { hmac(digest_null), SW_TYPE_HMAC, },
-	[CRYPTO_NULL_CBC]        = { cbc(cipher_null),  SW_TYPE_BLKCIPHER, },
-	[CRYPTO_DEFLATE_COMP]    = { plain(deflate),    SW_TYPE_COMP, },
-	[CRYPTO_SHA2_256_HMAC]   = { hmac(sha256),      SW_TYPE_HMAC, },
-	[CRYPTO_SHA2_384_HMAC]   = { hmac(sha384),      SW_TYPE_HMAC, },
-	[CRYPTO_SHA2_512_HMAC]   = { hmac(sha512),      SW_TYPE_HMAC, },
-	[CRYPTO_CAMELLIA_CBC]    = { cbc(camellia),     SW_TYPE_BLKCIPHER, },
-	[CRYPTO_SHA2_256]        = { plain(sha256),     SW_TYPE_HASH, },
-	[CRYPTO_SHA2_384]        = { plain(sha384),     SW_TYPE_HASH, },
-	[CRYPTO_SHA2_512]        = { plain(sha512),     SW_TYPE_HASH, },
-	[CRYPTO_RIPEMD160]       = { plain(ripemd160),  SW_TYPE_HASH, },
-};
-
-int32_t swcr_id = -1;
-module_param(swcr_id, int, 0444);
-MODULE_PARM_DESC(swcr_id, "Read-Only OCF ID for cryptosoft driver");
-
-int swcr_fail_if_compression_grows = 1;
-module_param(swcr_fail_if_compression_grows, int, 0644);
-MODULE_PARM_DESC(swcr_fail_if_compression_grows,
-                "Treat compression that results in more data as a failure");
-
-int swcr_no_ahash = 0;
-module_param(swcr_no_ahash, int, 0644);
-MODULE_PARM_DESC(swcr_no_ahash,
-                "Do not use async hash/hmac even if available");
-
-int swcr_no_ablk = 0;
-module_param(swcr_no_ablk, int, 0644);
-MODULE_PARM_DESC(swcr_no_ablk,
-                "Do not use async blk ciphers even if available");
-
-static struct swcr_data **swcr_sessions = NULL;
-static u_int32_t swcr_sesnum = 0;
-
-static	int swcr_process(device_t, struct cryptop *, int);
-static	int swcr_newsession(device_t, u_int32_t *, struct cryptoini *);
-static	int swcr_freesession(device_t, u_int64_t);
-
-static device_method_t swcr_methods = {
-	/* crypto device methods */
-	DEVMETHOD(cryptodev_newsession,	swcr_newsession),
-	DEVMETHOD(cryptodev_freesession,swcr_freesession),
-	DEVMETHOD(cryptodev_process,	swcr_process),
-};
-
-#define debug swcr_debug
-int swcr_debug = 0;
-module_param(swcr_debug, int, 0644);
-MODULE_PARM_DESC(swcr_debug, "Enable debug");
-
-static void swcr_process_req(struct swcr_req *req);
-
-/*
- * Generate a new software session.
- */
-static int
-swcr_newsession(device_t dev, u_int32_t *sid, struct cryptoini *cri)
-{
-	struct swcr_data **swd;
-	u_int32_t i;
-	int error;
-	char *algo;
-	int mode;
-
-	dprintk("%s()\n", __FUNCTION__);
-	if (sid == NULL || cri == NULL) {
-		dprintk("%s,%d - EINVAL\n", __FILE__, __LINE__);
-		return EINVAL;
-	}
-
-	if (swcr_sessions) {
-		for (i = 1; i < swcr_sesnum; i++)
-			if (swcr_sessions[i] == NULL)
-				break;
-	} else
-		i = 1;		/* NB: to silence compiler warning */
-
-	if (swcr_sessions == NULL || i == swcr_sesnum) {
-		if (swcr_sessions == NULL) {
-			i = 1; /* We leave swcr_sessions[0] empty */
-			swcr_sesnum = CRYPTO_SW_SESSIONS;
-		} else
-			swcr_sesnum *= 2;
-
-		swd = kmalloc(swcr_sesnum * sizeof(struct swcr_data *), SLAB_ATOMIC);
-		if (swd == NULL) {
-			/* Reset session number */
-			if (swcr_sesnum == CRYPTO_SW_SESSIONS)
-				swcr_sesnum = 0;
-			else
-				swcr_sesnum /= 2;
-			dprintk("%s,%d: ENOBUFS\n", __FILE__, __LINE__);
-			return ENOBUFS;
-		}
-		memset(swd, 0, swcr_sesnum * sizeof(struct swcr_data *));
-
-		/* Copy existing sessions */
-		if (swcr_sessions) {
-			memcpy(swd, swcr_sessions,
-			    (swcr_sesnum / 2) * sizeof(struct swcr_data *));
-			kfree(swcr_sessions);
-		}
-
-		swcr_sessions = swd;
-	}
-
-	swd = &swcr_sessions[i];
-	*sid = i;
-
-	while (cri) {
-		*swd = (struct swcr_data *) kmalloc(sizeof(struct swcr_data),
-				SLAB_ATOMIC);
-		if (*swd == NULL) {
-			swcr_freesession(NULL, i);
-			dprintk("%s,%d: ENOBUFS\n", __FILE__, __LINE__);
-			return ENOBUFS;
-		}
-		memset(*swd, 0, sizeof(struct swcr_data));
-
-		if (cri->cri_alg < 0 ||
-				cri->cri_alg>=sizeof(crypto_details)/sizeof(crypto_details[0])){
-			printk("cryptosoft: Unknown algorithm 0x%x\n", cri->cri_alg);
-			swcr_freesession(NULL, i);
-			return EINVAL;
-		}
-
-		algo = crypto_details[cri->cri_alg].alg_name;
-		if (!algo || !*algo) {
-			printk("cryptosoft: Unsupported algorithm 0x%x\n", cri->cri_alg);
-			swcr_freesession(NULL, i);
-			return EINVAL;
-		}
-
-		mode = crypto_details[cri->cri_alg].mode;
-		(*swd)->sw_type = crypto_details[cri->cri_alg].sw_type;
-		(*swd)->sw_alg = cri->cri_alg;
-
-		/* Algorithm specific configuration */
-		switch (cri->cri_alg) {
-		case CRYPTO_NULL_CBC:
-			cri->cri_klen = 0; /* make it work with crypto API */
-			break;
-		default:
-			break;
-		}
-
-		if ((*swd)->sw_type & SW_TYPE_BLKCIPHER) {
-			dprintk("%s crypto_alloc_*blkcipher(%s, 0x%x)\n", __FUNCTION__,
-					algo, mode);
-
-			/* try async first */
-			(*swd)->sw_tfm = swcr_no_ablk ? NULL :
-					crypto_ablkcipher_tfm(crypto_alloc_ablkcipher(algo, 0, 0));
-			if ((*swd)->sw_tfm) {
-				dprintk("%s %s cipher is async\n", __FUNCTION__, algo);
-				(*swd)->sw_type |= SW_TYPE_ASYNC;
-			} else {
-				dprintk("%s %s cipher is sync\n", __FUNCTION__, algo);
-				(*swd)->sw_tfm = crypto_blkcipher_tfm(
-						crypto_alloc_blkcipher(algo, 0, CRYPTO_ALG_ASYNC));
-			}
-			if (!(*swd)->sw_tfm) {
-				dprintk("cryptosoft: crypto_alloc_blkcipher failed(%s, 0x%x)\n",
-						algo,mode);
-				swcr_freesession(NULL, i);
-				return EINVAL;
-			}
-
-			if (debug) {
-				dprintk("%s key:cri->cri_klen=%d,(cri->cri_klen + 7)/8=%d",
-						__FUNCTION__, cri->cri_klen, (cri->cri_klen + 7) / 8);
-				for (i = 0; i < (cri->cri_klen + 7) / 8; i++)
-					dprintk("%s0x%x", (i % 8) ? " " : "\n    ",
-							cri->cri_key[i] & 0xff);
-				dprintk("\n");
-			}
-			if ((*swd)->sw_type & SW_TYPE_ASYNC) {
-				/* OCF doesn't enforce keys */
-				crypto_ablkcipher_set_flags(
-						__crypto_ablkcipher_cast((*swd)->sw_tfm),
-							CRYPTO_TFM_REQ_WEAK_KEY);
-				error = crypto_ablkcipher_setkey(
-							__crypto_ablkcipher_cast((*swd)->sw_tfm),
-								cri->cri_key, (cri->cri_klen + 7) / 8);
-			} else {
-				/* OCF doesn't enforce keys */
-				crypto_blkcipher_set_flags(
-						crypto_blkcipher_cast((*swd)->sw_tfm),
-							CRYPTO_TFM_REQ_WEAK_KEY);
-				error = crypto_blkcipher_setkey(
-							crypto_blkcipher_cast((*swd)->sw_tfm),
-								cri->cri_key, (cri->cri_klen + 7) / 8);
-			}
-			if (error) {
-				printk("cryptosoft: setkey failed %d (crt_flags=0x%x)\n", error,
-						(*swd)->sw_tfm->crt_flags);
-				swcr_freesession(NULL, i);
-				return error;
-			}
-		} else if ((*swd)->sw_type & (SW_TYPE_HMAC | SW_TYPE_HASH)) {
-			dprintk("%s crypto_alloc_*hash(%s, 0x%x)\n", __FUNCTION__,
-					algo, mode);
-
-			/* try async first */
-			(*swd)->sw_tfm = swcr_no_ahash ? NULL :
-					crypto_ahash_tfm(crypto_alloc_ahash(algo, 0, 0));
-			if ((*swd)->sw_tfm) {
-				dprintk("%s %s hash is async\n", __FUNCTION__, algo);
-				(*swd)->sw_type |= SW_TYPE_ASYNC;
-			} else {
-				dprintk("%s %s hash is sync\n", __FUNCTION__, algo);
-				(*swd)->sw_tfm = crypto_hash_tfm(
-						crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC));
-			}
-
-			if (!(*swd)->sw_tfm) {
-				dprintk("cryptosoft: crypto_alloc_hash failed(%s,0x%x)\n",
-						algo, mode);
-				swcr_freesession(NULL, i);
-				return EINVAL;
-			}
-
-			(*swd)->u.hmac.sw_klen = (cri->cri_klen + 7) / 8;
-			(*swd)->u.hmac.sw_key = (char *)kmalloc((*swd)->u.hmac.sw_klen,
-					SLAB_ATOMIC);
-			if ((*swd)->u.hmac.sw_key == NULL) {
-				swcr_freesession(NULL, i);
-				dprintk("%s,%d: ENOBUFS\n", __FILE__, __LINE__);
-				return ENOBUFS;
-			}
-			memcpy((*swd)->u.hmac.sw_key, cri->cri_key, (*swd)->u.hmac.sw_klen);
-			if (cri->cri_mlen) {
-				(*swd)->u.hmac.sw_mlen = cri->cri_mlen;
-			} else if ((*swd)->sw_type & SW_TYPE_ASYNC) {
-				(*swd)->u.hmac.sw_mlen = crypto_ahash_digestsize(
-						__crypto_ahash_cast((*swd)->sw_tfm));
-			} else  {
-				(*swd)->u.hmac.sw_mlen = crypto_hash_digestsize(
-						crypto_hash_cast((*swd)->sw_tfm));
-			}
-		} else if ((*swd)->sw_type & SW_TYPE_COMP) {
-			(*swd)->sw_tfm = crypto_comp_tfm(
-					crypto_alloc_comp(algo, 0, CRYPTO_ALG_ASYNC));
-			if (!(*swd)->sw_tfm) {
-				dprintk("cryptosoft: crypto_alloc_comp failed(%s,0x%x)\n",
-						algo, mode);
-				swcr_freesession(NULL, i);
-				return EINVAL;
-			}
-			(*swd)->u.sw_comp_buf = kmalloc(CRYPTO_MAX_DATA_LEN, SLAB_ATOMIC);
-			if ((*swd)->u.sw_comp_buf == NULL) {
-				swcr_freesession(NULL, i);
-				dprintk("%s,%d: ENOBUFS\n", __FILE__, __LINE__);
-				return ENOBUFS;
-			}
-		} else {
-			printk("cryptosoft: Unhandled sw_type %d\n", (*swd)->sw_type);
-			swcr_freesession(NULL, i);
-			return EINVAL;
-		}
-
-		cri = cri->cri_next;
-		swd = &((*swd)->sw_next);
-	}
-	return 0;
-}
-
-/*
- * Free a session.
- */
-static int
-swcr_freesession(device_t dev, u_int64_t tid)
-{
-	struct swcr_data *swd;
-	u_int32_t sid = CRYPTO_SESID2LID(tid);
-
-	dprintk("%s()\n", __FUNCTION__);
-	if (sid > swcr_sesnum || swcr_sessions == NULL ||
-			swcr_sessions[sid] == NULL) {
-		dprintk("%s,%d: EINVAL\n", __FILE__, __LINE__);
-		return(EINVAL);
-	}
-
-	/* Silently accept and return */
-	if (sid == 0)
-		return(0);
-
-	while ((swd = swcr_sessions[sid]) != NULL) {
-		swcr_sessions[sid] = swd->sw_next;
-		if (swd->sw_tfm) {
-			switch (swd->sw_type & SW_TYPE_ALG_AMASK) {
-#ifdef HAVE_AHASH
-			case SW_TYPE_AHMAC:
-			case SW_TYPE_AHASH:
-				crypto_free_ahash(__crypto_ahash_cast(swd->sw_tfm));
-				break;
-#endif
-#ifdef HAVE_ABLKCIPHER
-			case SW_TYPE_ABLKCIPHER:
-				crypto_free_ablkcipher(__crypto_ablkcipher_cast(swd->sw_tfm));
-				break;
-#endif
-			case SW_TYPE_BLKCIPHER:
-				crypto_free_blkcipher(crypto_blkcipher_cast(swd->sw_tfm));
-				break;
-			case SW_TYPE_HMAC:
-			case SW_TYPE_HASH:
-				crypto_free_hash(crypto_hash_cast(swd->sw_tfm));
-				break;
-			case SW_TYPE_COMP:
-				crypto_free_comp(crypto_comp_cast(swd->sw_tfm));
-			default:
-				crypto_free_tfm(swd->sw_tfm);
-				break;
-			}
-			swd->sw_tfm = NULL;
-		}
-		if (swd->sw_type & SW_TYPE_COMP) {
-			if (swd->u.sw_comp_buf)
-				kfree(swd->u.sw_comp_buf);
-		} else {
-			if (swd->u.hmac.sw_key)
-				kfree(swd->u.hmac.sw_key);
-		}
-		kfree(swd);
-	}
-	return 0;
-}
-
-#if defined(HAVE_ABLKCIPHER) || defined(HAVE_AHASH)
-/* older kernels had no async interface */
-
-static void swcr_process_callback(struct crypto_async_request *creq, int err)
-{
-	struct swcr_req *req = creq->data;
-
-	dprintk("%s()\n", __FUNCTION__);
-	if (err) {
-		if (err == -EINPROGRESS)
-			return;
-		dprintk("%s() fail %d\n", __FUNCTION__, -err);
-		req->crp->crp_etype = -err;
-		goto done;
-	}
-
-	switch (req->sw->sw_type & SW_TYPE_ALG_AMASK) {
-	case SW_TYPE_AHMAC:
-	case SW_TYPE_AHASH:
-		crypto_copyback(req->crp->crp_flags, req->crp->crp_buf,
-				req->crd->crd_inject, req->sw->u.hmac.sw_mlen, req->result);
-		ahash_request_free(req->crypto_req);
-		break;
-	case SW_TYPE_ABLKCIPHER:
-		ablkcipher_request_free(req->crypto_req);
-		break;
-	default:
-		req->crp->crp_etype = EINVAL;
-		goto done;
-	}
-
-	req->crd = req->crd->crd_next;
-	if (req->crd) {
-		swcr_process_req(req);
-		return;
-	}
-
-done:
-	dprintk("%s crypto_done %p\n", __FUNCTION__, req);
-	crypto_done(req->crp);
-	kmem_cache_free(swcr_req_cache, req);
-}
-#endif /* defined(HAVE_ABLKCIPHER) || defined(HAVE_AHASH) */
-
-
-static void swcr_process_req(struct swcr_req *req)
-{
-	struct swcr_data *sw;
-	struct cryptop *crp = req->crp;
-	struct cryptodesc *crd = req->crd;
-	struct sk_buff *skb = (struct sk_buff *) crp->crp_buf;
-	struct uio *uiop = (struct uio *) crp->crp_buf;
-	int sg_num, sg_len, skip;
-
-	dprintk("%s()\n", __FUNCTION__);
-
-	/*
-	 * Find the crypto context.
-	 *
-	 * XXX Note that the logic here prevents us from having
-	 * XXX the same algorithm multiple times in a session
-	 * XXX (or rather, we can but it won't give us the right
-	 * XXX results). To do that, we'd need some way of differentiating
-	 * XXX between the various instances of an algorithm (so we can
-	 * XXX locate the correct crypto context).
-	 */
-	for (sw = req->sw_head; sw && sw->sw_alg != crd->crd_alg; sw = sw->sw_next)
-		;
-
-	/* No such context ? */
-	if (sw == NULL) {
-		crp->crp_etype = EINVAL;
-		dprintk("%s,%d: EINVAL\n", __FILE__, __LINE__);
-		goto done;
-	}
-
-	req->sw = sw;
-	skip = crd->crd_skip;
-
-	/*
-	 * setup the SG list skip from the start of the buffer
-	 */
-	memset(req->sg, 0, sizeof(req->sg));
-	sg_init_table(req->sg, SCATTERLIST_MAX);
-	if (crp->crp_flags & CRYPTO_F_SKBUF) {
-		int i, len;
-
-		sg_num = 0;
-		sg_len = 0;
-
-		if (skip < skb_headlen(skb)) {
-			len = skb_headlen(skb) - skip;
-			if (len + sg_len > crd->crd_len)
-				len = crd->crd_len - sg_len;
-			sg_set_page(&req->sg[sg_num],
-				virt_to_page(skb->data + skip), len,
-				offset_in_page(skb->data + skip));
-			sg_len += len;
-			sg_num++;
-			skip = 0;
-		} else
-			skip -= skb_headlen(skb);
-
-		for (i = 0; sg_len < crd->crd_len &&
-					i < skb_shinfo(skb)->nr_frags &&
-					sg_num < SCATTERLIST_MAX; i++) {
-			if (skip < skb_shinfo(skb)->frags[i].size) {
-				len = skb_shinfo(skb)->frags[i].size - skip;
-				if (len + sg_len > crd->crd_len)
-					len = crd->crd_len - sg_len;
-				sg_set_page(&req->sg[sg_num],
-					skb_shinfo(skb)->frags[i].page,
-					len,
-					skb_shinfo(skb)->frags[i].page_offset + skip);
-				sg_len += len;
-				sg_num++;
-				skip = 0;
-			} else
-				skip -= skb_shinfo(skb)->frags[i].size;
-		}
-	} else if (crp->crp_flags & CRYPTO_F_IOV) {
-		int len;
-
-		sg_len = 0;
-		for (sg_num = 0; sg_len < crd->crd_len &&
-				sg_num < uiop->uio_iovcnt &&
-				sg_num < SCATTERLIST_MAX; sg_num++) {
-			if (skip <= uiop->uio_iov[sg_num].iov_len) {
-				len = uiop->uio_iov[sg_num].iov_len - skip;
-				if (len + sg_len > crd->crd_len)
-					len = crd->crd_len - sg_len;
-				sg_set_page(&req->sg[sg_num],
-					virt_to_page(uiop->uio_iov[sg_num].iov_base+skip),
-					len,
-					offset_in_page(uiop->uio_iov[sg_num].iov_base+skip));
-				sg_len += len;
-				skip = 0;
-			} else 
-				skip -= uiop->uio_iov[sg_num].iov_len;
-		}
-	} else {
-		sg_len = (crp->crp_ilen - skip);
-		if (sg_len > crd->crd_len)
-			sg_len = crd->crd_len;
-		sg_set_page(&req->sg[0], virt_to_page(crp->crp_buf + skip),
-			sg_len, offset_in_page(crp->crp_buf + skip));
-		sg_num = 1;
-	}
-
-	switch (sw->sw_type & SW_TYPE_ALG_AMASK) {
-
-#ifdef HAVE_AHASH
-	case SW_TYPE_AHMAC:
-	case SW_TYPE_AHASH:
-		{
-		int ret;
-
-		/* check we have room for the result */
-		if (crp->crp_ilen - crd->crd_inject < sw->u.hmac.sw_mlen) {
-			dprintk("cryptosoft: EINVAL crp_ilen=%d, len=%d, inject=%d "
-					"digestsize=%d\n", crp->crp_ilen, crd->crd_skip + sg_len,
-					crd->crd_inject, sw->u.hmac.sw_mlen);
-			crp->crp_etype = EINVAL;
-			goto done;
-		}
-
-		req->crypto_req =
-				ahash_request_alloc(__crypto_ahash_cast(sw->sw_tfm),GFP_KERNEL);
-		if (!req->crypto_req) {
-			crp->crp_etype = ENOMEM;
-			dprintk("%s,%d: ENOMEM ahash_request_alloc", __FILE__, __LINE__);
-			goto done;
-		}
-
-		ahash_request_set_callback(req->crypto_req,
-				CRYPTO_TFM_REQ_MAY_BACKLOG, swcr_process_callback, req);
-
-		memset(req->result, 0, sizeof(req->result));
-
-		if (sw->sw_type & SW_TYPE_AHMAC)
-			crypto_ahash_setkey(__crypto_ahash_cast(sw->sw_tfm),
-					sw->u.hmac.sw_key, sw->u.hmac.sw_klen);
-		ahash_request_set_crypt(req->crypto_req, req->sg, req->result, sg_len);
-		ret = crypto_ahash_digest(req->crypto_req);
-		switch (ret) {
-		case -EINPROGRESS:
-		case -EBUSY:
-			return;
-		default:
-		case 0:
-			dprintk("hash OP %s %d\n", ret ? "failed" : "success", ret);
-			crp->crp_etype = ret;
-			ahash_request_free(req->crypto_req);
-			goto done;
-		}
-		} break;
-#endif /* HAVE_AHASH */
-
-#ifdef HAVE_ABLKCIPHER
-	case SW_TYPE_ABLKCIPHER: {
-		int ret;
-		unsigned char *ivp = req->iv;
-		int ivsize = 
-			crypto_ablkcipher_ivsize(__crypto_ablkcipher_cast(sw->sw_tfm));
-
-		if (sg_len < crypto_ablkcipher_blocksize(
-				__crypto_ablkcipher_cast(sw->sw_tfm))) {
-			crp->crp_etype = EINVAL;
-			dprintk("%s,%d: EINVAL len %d < %d\n", __FILE__, __LINE__,
-					sg_len, crypto_ablkcipher_blocksize(
-						__crypto_ablkcipher_cast(sw->sw_tfm)));
-			goto done;
-		}
-
-		if (ivsize > sizeof(req->iv)) {
-			crp->crp_etype = EINVAL;
-			dprintk("%s,%d: EINVAL\n", __FILE__, __LINE__);
-			goto done;
-		}
-
-		req->crypto_req = ablkcipher_request_alloc(
-				__crypto_ablkcipher_cast(sw->sw_tfm), GFP_KERNEL);
-		if (!req->crypto_req) {
-			crp->crp_etype = ENOMEM;
-			dprintk("%s,%d: ENOMEM ablkcipher_request_alloc",
-					__FILE__, __LINE__);
-			goto done;
-		}
-
-		ablkcipher_request_set_callback(req->crypto_req,
-				CRYPTO_TFM_REQ_MAY_BACKLOG, swcr_process_callback, req);
-
-		if (crd->crd_flags & CRD_F_KEY_EXPLICIT) {
-			int i, error;
-
-			if (debug) {
-				dprintk("%s key:", __FUNCTION__);
-				for (i = 0; i < (crd->crd_klen + 7) / 8; i++)
-					dprintk("%s0x%x", (i % 8) ? " " : "\n    ",
-							crd->crd_key[i] & 0xff);
-				dprintk("\n");
-			}
-			/* OCF doesn't enforce keys */
-			crypto_ablkcipher_set_flags(__crypto_ablkcipher_cast(sw->sw_tfm),
-					CRYPTO_TFM_REQ_WEAK_KEY);
-			error = crypto_ablkcipher_setkey(
-						__crypto_ablkcipher_cast(sw->sw_tfm), crd->crd_key,
-						(crd->crd_klen + 7) / 8);
-			if (error) {
-				dprintk("cryptosoft: setkey failed %d (crt_flags=0x%x)\n",
-						error, sw->sw_tfm->crt_flags);
-				crp->crp_etype = -error;
-			}
-		}
-
-		if (crd->crd_flags & CRD_F_ENCRYPT) { /* encrypt */
-
-			if (crd->crd_flags & CRD_F_IV_EXPLICIT)
-				ivp = crd->crd_iv;
-			else
-				get_random_bytes(ivp, ivsize);
-			/*
-			 * do we have to copy the IV back to the buffer ?
-			 */
-			if ((crd->crd_flags & CRD_F_IV_PRESENT) == 0) {
-				crypto_copyback(crp->crp_flags, crp->crp_buf,
-						crd->crd_inject, ivsize, (caddr_t)ivp);
-			}
-			ablkcipher_request_set_crypt(req->crypto_req, req->sg, req->sg,
-					sg_len, ivp);
-			ret = crypto_ablkcipher_encrypt(req->crypto_req);
-
-		} else { /*decrypt */
-
-			if (crd->crd_flags & CRD_F_IV_EXPLICIT)
-				ivp = crd->crd_iv;
-			else
-				crypto_copydata(crp->crp_flags, crp->crp_buf,
-						crd->crd_inject, ivsize, (caddr_t)ivp);
-			ablkcipher_request_set_crypt(req->crypto_req, req->sg, req->sg,
-					sg_len, ivp);
-			ret = crypto_ablkcipher_decrypt(req->crypto_req);
-		}
-
-		switch (ret) {
-		case -EINPROGRESS:
-		case -EBUSY:
-			return;
-		default:
-		case 0:
-			dprintk("crypto OP %s %d\n", ret ? "failed" : "success", ret);
-			crp->crp_etype = ret;
-			goto done;
-		}
-		} break;
-#endif /* HAVE_ABLKCIPHER */
-
-	case SW_TYPE_BLKCIPHER: {
-		unsigned char iv[EALG_MAX_BLOCK_LEN];
-		unsigned char *ivp = iv;
-		struct blkcipher_desc desc;
-		int ivsize = crypto_blkcipher_ivsize(crypto_blkcipher_cast(sw->sw_tfm));
-
-		if (sg_len < crypto_blkcipher_blocksize(
-				crypto_blkcipher_cast(sw->sw_tfm))) {
-			crp->crp_etype = EINVAL;
-			dprintk("%s,%d: EINVAL len %d < %d\n", __FILE__, __LINE__,
-					sg_len, crypto_blkcipher_blocksize(
-						crypto_blkcipher_cast(sw->sw_tfm)));
-			goto done;
-		}
-
-		if (ivsize > sizeof(iv)) {
-			crp->crp_etype = EINVAL;
-			dprintk("%s,%d: EINVAL\n", __FILE__, __LINE__);
-			goto done;
-		}
-
-		if (crd->crd_flags & CRD_F_KEY_EXPLICIT) {
-			int i, error;
-
-			if (debug) {
-				dprintk("%s key:", __FUNCTION__);
-				for (i = 0; i < (crd->crd_klen + 7) / 8; i++)
-					dprintk("%s0x%x", (i % 8) ? " " : "\n    ",
-							crd->crd_key[i] & 0xff);
-				dprintk("\n");
-			}
-			/* OCF doesn't enforce keys */
-			crypto_blkcipher_set_flags(crypto_blkcipher_cast(sw->sw_tfm),
-					CRYPTO_TFM_REQ_WEAK_KEY);
-			error = crypto_blkcipher_setkey(
-						crypto_blkcipher_cast(sw->sw_tfm), crd->crd_key,
-						(crd->crd_klen + 7) / 8);
-			if (error) {
-				dprintk("cryptosoft: setkey failed %d (crt_flags=0x%x)\n",
-						error, sw->sw_tfm->crt_flags);
-				crp->crp_etype = -error;
-			}
-		}
-
-		memset(&desc, 0, sizeof(desc));
-		desc.tfm = crypto_blkcipher_cast(sw->sw_tfm);
-
-		if (crd->crd_flags & CRD_F_ENCRYPT) { /* encrypt */
-
-			if (crd->crd_flags & CRD_F_IV_EXPLICIT) {
-				ivp = crd->crd_iv;
-			} else {
-				get_random_bytes(ivp, ivsize);
-			}
-			/*
-			 * do we have to copy the IV back to the buffer ?
-			 */
-			if ((crd->crd_flags & CRD_F_IV_PRESENT) == 0) {
-				crypto_copyback(crp->crp_flags, crp->crp_buf,
-						crd->crd_inject, ivsize, (caddr_t)ivp);
-			}
-			desc.info = ivp;
-			crypto_blkcipher_encrypt_iv(&desc, req->sg, req->sg, sg_len);
-
-		} else { /*decrypt */
-
-			if (crd->crd_flags & CRD_F_IV_EXPLICIT) {
-				ivp = crd->crd_iv;
-			} else {
-				crypto_copydata(crp->crp_flags, crp->crp_buf,
-						crd->crd_inject, ivsize, (caddr_t)ivp);
-			}
-			desc.info = ivp;
-			crypto_blkcipher_decrypt_iv(&desc, req->sg, req->sg, sg_len);
-		}
-		} break;
-
-	case SW_TYPE_HMAC:
-	case SW_TYPE_HASH:
-		{
-		char result[HASH_MAX_LEN];
-		struct hash_desc desc;
-
-		/* check we have room for the result */
-		if (crp->crp_ilen - crd->crd_inject < sw->u.hmac.sw_mlen) {
-			dprintk("cryptosoft: EINVAL crp_ilen=%d, len=%d, inject=%d "
-					"digestsize=%d\n", crp->crp_ilen, crd->crd_skip + sg_len,
-					crd->crd_inject, sw->u.hmac.sw_mlen);
-			crp->crp_etype = EINVAL;
-			goto done;
-		}
-
-		memset(&desc, 0, sizeof(desc));
-		desc.tfm = crypto_hash_cast(sw->sw_tfm);
-
-		memset(result, 0, sizeof(result));
-
-		if (sw->sw_type & SW_TYPE_HMAC) {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-			crypto_hmac(sw->sw_tfm, sw->u.hmac.sw_key, &sw->u.hmac.sw_klen,
-					req->sg, sg_num, result);
-#else
-			crypto_hash_setkey(desc.tfm, sw->u.hmac.sw_key,
-					sw->u.hmac.sw_klen);
-			crypto_hash_digest(&desc, req->sg, sg_len, result);
-#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) */
-			
-		} else { /* SW_TYPE_HASH */
-			crypto_hash_digest(&desc, req->sg, sg_len, result);
-		}
-
-		crypto_copyback(crp->crp_flags, crp->crp_buf,
-				crd->crd_inject, sw->u.hmac.sw_mlen, result);
-		}
-		break;
-
-	case SW_TYPE_COMP: {
-		void *ibuf = NULL;
-		void *obuf = sw->u.sw_comp_buf;
-		int ilen = sg_len, olen = CRYPTO_MAX_DATA_LEN;
-		int ret = 0;
-
-		/*
-		 * we need to use an additional copy if there is more than one
-		 * input chunk since the kernel comp routines do not handle
-		 * SG yet.  Otherwise we just use the input buffer as is.
-		 * Rather than allocate another buffer we just split the tmp
-		 * buffer we already have.
-		 * Perhaps we should just use zlib directly ?
-		 */
-		if (sg_num > 1) {
-			int blk;
-
-			ibuf = obuf;
-			for (blk = 0; blk < sg_num; blk++) {
-				memcpy(obuf, sg_virt(&req->sg[blk]),
-						req->sg[blk].length);
-				obuf += req->sg[blk].length;
-			}
-			olen -= sg_len;
-		} else
-			ibuf = sg_virt(&req->sg[0]);
-
-		if (crd->crd_flags & CRD_F_ENCRYPT) { /* compress */
-			ret = crypto_comp_compress(crypto_comp_cast(sw->sw_tfm),
-					ibuf, ilen, obuf, &olen);
-			if (!ret && olen > crd->crd_len) {
-				dprintk("cryptosoft: ERANGE compress %d into %d\n",
-						crd->crd_len, olen);
-				if (swcr_fail_if_compression_grows)
-					ret = ERANGE;
-			}
-		} else { /* decompress */
-			ret = crypto_comp_decompress(crypto_comp_cast(sw->sw_tfm),
-					ibuf, ilen, obuf, &olen);
-			if (!ret && (olen + crd->crd_inject) > crp->crp_olen) {
-				dprintk("cryptosoft: ETOOSMALL decompress %d into %d, "
-						"space for %d,at offset %d\n",
-						crd->crd_len, olen, crp->crp_olen, crd->crd_inject);
-				ret = ETOOSMALL;
-			}
-		}
-		if (ret)
-			dprintk("%s,%d: ret = %d\n", __FILE__, __LINE__, ret);
-
-		/*
-		 * on success copy result back,
-		 * linux crpyto API returns -errno,  we need to fix that
-		 */
-		crp->crp_etype = ret < 0 ? -ret : ret;
-		if (ret == 0) {
-			/* copy back the result and return it's size */
-			crypto_copyback(crp->crp_flags, crp->crp_buf,
-					crd->crd_inject, olen, obuf);
-			crp->crp_olen = olen;
-		}
-
-
-		} break;
-
-	default:
-		/* Unknown/unsupported algorithm */
-		dprintk("%s,%d: EINVAL\n", __FILE__, __LINE__);
-		crp->crp_etype = EINVAL;
-		goto done;
-	}
-
-done:
-	crypto_done(crp);
-	kmem_cache_free(swcr_req_cache, req);
-}
-
-
-/*
- * Process a crypto request.
- */
-static int
-swcr_process(device_t dev, struct cryptop *crp, int hint)
-{
-	struct swcr_req *req = NULL;
-	u_int32_t lid;
-
-	dprintk("%s()\n", __FUNCTION__);
-	/* Sanity check */
-	if (crp == NULL) {
-		dprintk("%s,%d: EINVAL\n", __FILE__, __LINE__);
-		return EINVAL;
-	}
-
-	crp->crp_etype = 0;
-
-	if (crp->crp_desc == NULL || crp->crp_buf == NULL) {
-		dprintk("%s,%d: EINVAL\n", __FILE__, __LINE__);
-		crp->crp_etype = EINVAL;
-		goto done;
-	}
-
-	lid = crp->crp_sid & 0xffffffff;
-	if (lid >= swcr_sesnum || lid == 0 || swcr_sessions == NULL ||
-			swcr_sessions[lid] == NULL) {
-		crp->crp_etype = ENOENT;
-		dprintk("%s,%d: ENOENT\n", __FILE__, __LINE__);
-		goto done;
-	}
-
-	/*
-	 * do some error checking outside of the loop for SKB and IOV processing
-	 * this leaves us with valid skb or uiop pointers for later
-	 */
-	if (crp->crp_flags & CRYPTO_F_SKBUF) {
-		struct sk_buff *skb = (struct sk_buff *) crp->crp_buf;
-		if (skb_shinfo(skb)->nr_frags >= SCATTERLIST_MAX) {
-			printk("%s,%d: %d nr_frags > SCATTERLIST_MAX", __FILE__, __LINE__,
-					skb_shinfo(skb)->nr_frags);
-			goto done;
-		}
-	} else if (crp->crp_flags & CRYPTO_F_IOV) {
-		struct uio *uiop = (struct uio *) crp->crp_buf;
-		if (uiop->uio_iovcnt > SCATTERLIST_MAX) {
-			printk("%s,%d: %d uio_iovcnt > SCATTERLIST_MAX", __FILE__, __LINE__,
-					uiop->uio_iovcnt);
-			goto done;
-		}
-	}
-
-	/*
-	 * setup a new request ready for queuing
-	 */
-	req = kmem_cache_alloc(swcr_req_cache, SLAB_ATOMIC);
-	if (req == NULL) {
-		dprintk("%s,%d: ENOMEM\n", __FILE__, __LINE__);
-		crp->crp_etype = ENOMEM;
-		goto done;
-	}
-	memset(req, 0, sizeof(*req));
-
-	req->sw_head = swcr_sessions[lid];
-	req->crp = crp;
-	req->crd = crp->crp_desc;
-
-	swcr_process_req(req);
-	return 0;
-
-done:
-	crypto_done(crp);
-	if (req)
-		kmem_cache_free(swcr_req_cache, req);
-	return 0;
-}
-
-
-static int
-cryptosoft_init(void)
-{
-	int i, sw_type, mode;
-	char *algo;
-
-	dprintk("%s(%p)\n", __FUNCTION__, cryptosoft_init);
-
-	swcr_req_cache = kmem_cache_create("cryptosoft_req",
-				sizeof(struct swcr_req), 0, SLAB_HWCACHE_ALIGN, NULL
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-				, NULL
-#endif
-				);
-	if (!swcr_req_cache) {
-		printk("cryptosoft: failed to create request cache\n");
-		return -ENOENT;
-	}
-
-	softc_device_init(&swcr_softc, "cryptosoft", 0, swcr_methods);
-
-	swcr_id = crypto_get_driverid(softc_get_device(&swcr_softc),
-			CRYPTOCAP_F_SOFTWARE | CRYPTOCAP_F_SYNC);
-	if (swcr_id < 0) {
-		printk("cryptosoft: Software crypto device cannot initialize!");
-		return -ENODEV;
-	}
-
-#define	REGISTER(alg) \
-		crypto_register(swcr_id, alg, 0,0)
-
-	for (i = 0; i < sizeof(crypto_details)/sizeof(crypto_details[0]); i++) {
-		int found;
-		
-		algo = crypto_details[i].alg_name;
-		if (!algo || !*algo) {
-			dprintk("%s:Algorithm %d not supported\n", __FUNCTION__, i);
-			continue;
-		}
-
-		mode = crypto_details[i].mode;
-		sw_type = crypto_details[i].sw_type;
-
-		found = 0;
-		switch (sw_type & SW_TYPE_ALG_MASK) {
-		case SW_TYPE_CIPHER:
-			found = crypto_has_cipher(algo, 0, CRYPTO_ALG_ASYNC);
-			break;
-		case SW_TYPE_HMAC:
-			found = crypto_has_hash(algo, 0, swcr_no_ahash?CRYPTO_ALG_ASYNC:0);
-			break;
-		case SW_TYPE_HASH:
-			found = crypto_has_hash(algo, 0, swcr_no_ahash?CRYPTO_ALG_ASYNC:0);
-			break;
-		case SW_TYPE_COMP:
-			found = crypto_has_comp(algo, 0, CRYPTO_ALG_ASYNC);
-			break;
-		case SW_TYPE_BLKCIPHER:
-			found = crypto_has_blkcipher(algo, 0, CRYPTO_ALG_ASYNC);
-			if (!found && !swcr_no_ablk)
-				found = crypto_has_ablkcipher(algo, 0, 0);
-			break;
-		}
-		if (found) {
-			REGISTER(i);
-		} else {
-			dprintk("%s:Algorithm Type %d not supported (algorithm %d:'%s')\n",
-					__FUNCTION__, sw_type, i, algo);
-		}
-	}
-	return 0;
-}
-
-static void
-cryptosoft_exit(void)
-{
-	dprintk("%s()\n", __FUNCTION__);
-	crypto_unregister_all(swcr_id);
-	swcr_id = -1;
-	kmem_cache_destroy(swcr_req_cache);
-}
-
-late_initcall(cryptosoft_init);
-module_exit(cryptosoft_exit);
-
-MODULE_LICENSE("Dual BSD/GPL");
-MODULE_AUTHOR("David McCullough <david_mccullough@securecomputing.com>");
-MODULE_DESCRIPTION("Cryptosoft (OCF module for kernel crypto)");