1 files changed, 0 insertions, 574 deletions

diff --git a/target/linux/generic-2.4/files/crypto/ocf/cryptocteon/cryptocteon.c b/target/linux/generic-2.4/files/crypto/ocf/cryptocteon/cryptocteon.c
deleted file mode 100644
index 9940f59a9a..0000000000
--- a/target/linux/generic-2.4/files/crypto/ocf/cryptocteon/cryptocteon.c
+++ /dev/null
@@ -1,574 +0,0 @@
-/*
- * Octeon Crypto for OCF
- *
- * Written by David McCullough <david_mccullough@mcafee.com>
- * Copyright (C) 2009-2010 David McCullough
- *
- * 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.
- *
- * 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/scatterlist.h>
-
-#include <cryptodev.h>
-#include <uio.h>
-
-struct {
-	softc_device_decl	sc_dev;
-} octo_softc;
-
-#define offset_in_page(p) ((unsigned long)(p) & ~PAGE_MASK)
-
-struct octo_sess {
-	int					 octo_encalg;
-	#define MAX_CIPHER_KEYLEN	64
-	char				 octo_enckey[MAX_CIPHER_KEYLEN];
-	int					 octo_encklen;
-
-	int					 octo_macalg;
-	#define MAX_HASH_KEYLEN	64
-	char				 octo_mackey[MAX_HASH_KEYLEN];
-	int					 octo_macklen;
-	int					 octo_mackey_set;
-
-	int					 octo_mlen;
-	int					 octo_ivsize;
-
-#if 0
-	int					(*octo_decrypt)(struct scatterlist *sg, int sg_len,
-							uint8_t *key, int key_len, uint8_t * iv,
-							uint64_t *hminner, uint64_t *hmouter);
-
-	int					(*octo_encrypt)(struct scatterlist *sg, int sg_len,
-							uint8_t *key, int key_len, uint8_t * iv,
-							uint64_t *hminner, uint64_t *hmouter);
-#else
-	int					(*octo_encrypt)(struct octo_sess *od,
-	                      struct scatterlist *sg, int sg_len,
-						  int auth_off, int auth_len,
-						  int crypt_off, int crypt_len,
-						  int icv_off, uint8_t *ivp);
-	int					(*octo_decrypt)(struct octo_sess *od,
-	                      struct scatterlist *sg, int sg_len,
-						  int auth_off, int auth_len,
-						  int crypt_off, int crypt_len,
-						  int icv_off, uint8_t *ivp);
-#endif
-
-	uint64_t			 octo_hminner[3];
-	uint64_t			 octo_hmouter[3];
-};
-
-int32_t octo_id = -1;
-module_param(octo_id, int, 0444);
-MODULE_PARM_DESC(octo_id, "Read-Only OCF ID for cryptocteon driver");
-
-static struct octo_sess **octo_sessions = NULL;
-static u_int32_t octo_sesnum = 0;
-
-static	int octo_process(device_t, struct cryptop *, int);
-static	int octo_newsession(device_t, u_int32_t *, struct cryptoini *);
-static	int octo_freesession(device_t, u_int64_t);
-
-static device_method_t octo_methods = {
-	/* crypto device methods */
-	DEVMETHOD(cryptodev_newsession,	octo_newsession),
-	DEVMETHOD(cryptodev_freesession,octo_freesession),
-	DEVMETHOD(cryptodev_process,	octo_process),
-};
-
-#define debug octo_debug
-int octo_debug = 0;
-module_param(octo_debug, int, 0644);
-MODULE_PARM_DESC(octo_debug, "Enable debug");
-
-
-#include "cavium_crypto.c"
-
-
-/*
- * Generate a new octo session.  We artifically limit it to a single
- * hash/cipher or hash-cipher combo just to make it easier, most callers
- * do not expect more than this anyway.
- */
-static int
-octo_newsession(device_t dev, u_int32_t *sid, struct cryptoini *cri)
-{
-	struct cryptoini *c, *encini = NULL, *macini = NULL;
-	struct octo_sess **ocd;
-	int i;
-
-	dprintk("%s()\n", __FUNCTION__);
-	if (sid == NULL || cri == NULL) {
-		dprintk("%s,%d - EINVAL\n", __FILE__, __LINE__);
-		return EINVAL;
-	}
-
-	/*
-	 * To keep it simple, we only handle hash, cipher or hash/cipher in a
-	 * session,  you cannot currently do multiple ciphers/hashes in one
-	 * session even though it would be possibel to code this driver to
-	 * handle it.
-	 */
-	for (i = 0, c = cri; c && i < 2; i++) {
-		if (c->cri_alg == CRYPTO_MD5_HMAC ||
-				c->cri_alg == CRYPTO_SHA1_HMAC ||
-				c->cri_alg == CRYPTO_NULL_HMAC) {
-			if (macini) {
-				break;
-			}
-			macini = c;
-		}
-		if (c->cri_alg == CRYPTO_DES_CBC ||
-				c->cri_alg == CRYPTO_3DES_CBC ||
-				c->cri_alg == CRYPTO_AES_CBC ||
-				c->cri_alg == CRYPTO_NULL_CBC) {
-			if (encini) {
-				break;
-			}
-			encini = c;
-		}
-		c = c->cri_next;
-	}
-	if (!macini && !encini) {
-		dprintk("%s,%d - EINVAL bad cipher/hash or combination\n",
-				__FILE__, __LINE__);
-		return EINVAL;
-	}
-	if (c) {
-		dprintk("%s,%d - EINVAL cannot handle chained cipher/hash combos\n",
-				__FILE__, __LINE__);
-		return EINVAL;
-	}
-
-	/*
-	 * So we have something we can do, lets setup the session
-	 */
-
-	if (octo_sessions) {
-		for (i = 1; i < octo_sesnum; i++)
-			if (octo_sessions[i] == NULL)
-				break;
-	} else
-		i = 1;		/* NB: to silence compiler warning */
-
-	if (octo_sessions == NULL || i == octo_sesnum) {
-		if (octo_sessions == NULL) {
-			i = 1; /* We leave octo_sessions[0] empty */
-			octo_sesnum = CRYPTO_SW_SESSIONS;
-		} else
-			octo_sesnum *= 2;
-
-		ocd = kmalloc(octo_sesnum * sizeof(struct octo_sess *), SLAB_ATOMIC);
-		if (ocd == NULL) {
-			/* Reset session number */
-			if (octo_sesnum == CRYPTO_SW_SESSIONS)
-				octo_sesnum = 0;
-			else
-				octo_sesnum /= 2;
-			dprintk("%s,%d: ENOBUFS\n", __FILE__, __LINE__);
-			return ENOBUFS;
-		}
-		memset(ocd, 0, octo_sesnum * sizeof(struct octo_sess *));
-
-		/* Copy existing sessions */
-		if (octo_sessions) {
-			memcpy(ocd, octo_sessions,
-			    (octo_sesnum / 2) * sizeof(struct octo_sess *));
-			kfree(octo_sessions);
-		}
-
-		octo_sessions = ocd;
-	}
-
-	ocd = &octo_sessions[i];
-	*sid = i;
-
-
-	*ocd = (struct octo_sess *) kmalloc(sizeof(struct octo_sess), SLAB_ATOMIC);
-	if (*ocd == NULL) {
-		octo_freesession(NULL, i);
-		dprintk("%s,%d: ENOBUFS\n", __FILE__, __LINE__);
-		return ENOBUFS;
-	}
-	memset(*ocd, 0, sizeof(struct octo_sess));
-
-	if (encini && encini->cri_key) {
-		(*ocd)->octo_encklen = (encini->cri_klen + 7) / 8;
-		memcpy((*ocd)->octo_enckey, encini->cri_key, (*ocd)->octo_encklen);
-	}
-
-	if (macini && macini->cri_key) {
-		(*ocd)->octo_macklen = (macini->cri_klen + 7) / 8;
-		memcpy((*ocd)->octo_mackey, macini->cri_key, (*ocd)->octo_macklen);
-	}
-
-	(*ocd)->octo_mlen = 0;
-	if (encini && encini->cri_mlen)
-		(*ocd)->octo_mlen = encini->cri_mlen;
-	else if (macini && macini->cri_mlen)
-		(*ocd)->octo_mlen = macini->cri_mlen;
-	else
-		(*ocd)->octo_mlen = 12;
-
-	/*
-	 * point c at the enc if it exists, otherwise the mac
-	 */
-	c = encini ? encini : macini;
-
-	switch (c->cri_alg) {
-	case CRYPTO_DES_CBC:
-	case CRYPTO_3DES_CBC:
-		(*ocd)->octo_ivsize  = 8;
-		switch (macini ? macini->cri_alg : -1) {
-		case CRYPTO_MD5_HMAC:
-			(*ocd)->octo_encrypt = octo_des_cbc_md5_encrypt;
-			(*ocd)->octo_decrypt = octo_des_cbc_md5_decrypt;
-			octo_calc_hash(0, macini->cri_key, (*ocd)->octo_hminner,
-					(*ocd)->octo_hmouter);
-			break;
-		case CRYPTO_SHA1_HMAC:
-			(*ocd)->octo_encrypt = octo_des_cbc_sha1_encrypt;
-			(*ocd)->octo_decrypt = octo_des_cbc_sha1_encrypt;
-			octo_calc_hash(1, macini->cri_key, (*ocd)->octo_hminner,
-					(*ocd)->octo_hmouter);
-			break;
-		case -1:
-			(*ocd)->octo_encrypt = octo_des_cbc_encrypt;
-			(*ocd)->octo_decrypt = octo_des_cbc_decrypt;
-			break;
-		default:
-			octo_freesession(NULL, i);
-			dprintk("%s,%d: EINVALn", __FILE__, __LINE__);
-			return EINVAL;
-		}
-		break;
-	case CRYPTO_AES_CBC:
-		(*ocd)->octo_ivsize  = 16;
-		switch (macini ? macini->cri_alg : -1) {
-		case CRYPTO_MD5_HMAC:
-			(*ocd)->octo_encrypt = octo_aes_cbc_md5_encrypt;
-			(*ocd)->octo_decrypt = octo_aes_cbc_md5_decrypt;
-			octo_calc_hash(0, macini->cri_key, (*ocd)->octo_hminner,
-					(*ocd)->octo_hmouter);
-			break;
-		case CRYPTO_SHA1_HMAC:
-			(*ocd)->octo_encrypt = octo_aes_cbc_sha1_encrypt;
-			(*ocd)->octo_decrypt = octo_aes_cbc_sha1_decrypt;
-			octo_calc_hash(1, macini->cri_key, (*ocd)->octo_hminner,
-					(*ocd)->octo_hmouter);
-			break;
-		case -1:
-			(*ocd)->octo_encrypt = octo_aes_cbc_encrypt;
-			(*ocd)->octo_decrypt = octo_aes_cbc_decrypt;
-			break;
-		default:
-			octo_freesession(NULL, i);
-			dprintk("%s,%d: EINVALn", __FILE__, __LINE__);
-			return EINVAL;
-		}
-		break;
-	case CRYPTO_MD5_HMAC:
-		(*ocd)->octo_encrypt = octo_null_md5_encrypt;
-		(*ocd)->octo_decrypt = octo_null_md5_encrypt;
-		octo_calc_hash(0, macini->cri_key, (*ocd)->octo_hminner,
-				(*ocd)->octo_hmouter);
-		break;
-	case CRYPTO_SHA1_HMAC:
-		(*ocd)->octo_encrypt = octo_null_sha1_encrypt;
-		(*ocd)->octo_decrypt = octo_null_sha1_encrypt;
-		octo_calc_hash(1, macini->cri_key, (*ocd)->octo_hminner,
-				(*ocd)->octo_hmouter);
-		break;
-	default:
-		octo_freesession(NULL, i);
-		dprintk("%s,%d: EINVALn", __FILE__, __LINE__);
-		return EINVAL;
-	}
-
-	(*ocd)->octo_encalg = encini ? encini->cri_alg : -1;
-	(*ocd)->octo_macalg = macini ? macini->cri_alg : -1;
-
-	return 0;
-}
-
-/*
- * Free a session.
- */
-static int
-octo_freesession(device_t dev, u_int64_t tid)
-{
-	u_int32_t sid = CRYPTO_SESID2LID(tid);
-
-	dprintk("%s()\n", __FUNCTION__);
-	if (sid > octo_sesnum || octo_sessions == NULL ||
-			octo_sessions[sid] == NULL) {
-		dprintk("%s,%d: EINVAL\n", __FILE__, __LINE__);
-		return(EINVAL);
-	}
-
-	/* Silently accept and return */
-	if (sid == 0)
-		return(0);
-
-	if (octo_sessions[sid])
-		kfree(octo_sessions[sid]);
-	octo_sessions[sid] = NULL;
-	return 0;
-}
-
-/*
- * Process a request.
- */
-static int
-octo_process(device_t dev, struct cryptop *crp, int hint)
-{
-	struct cryptodesc *crd;
-	struct octo_sess *od;
-	u_int32_t lid;
-#define SCATTERLIST_MAX 16
-	struct scatterlist sg[SCATTERLIST_MAX];
-	int sg_num, sg_len;
-	struct sk_buff *skb = NULL;
-	struct uio *uiop = NULL;
-	struct cryptodesc *enccrd = NULL, *maccrd = NULL;
-	unsigned char *ivp = NULL;
-	unsigned char iv_data[HASH_MAX_LEN];
-	int auth_off = 0, auth_len = 0, crypt_off = 0, crypt_len = 0, icv_off = 0;
-
-	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 >= octo_sesnum || lid == 0 || octo_sessions == NULL ||
-			octo_sessions[lid] == NULL) {
-		crp->crp_etype = ENOENT;
-		dprintk("%s,%d: ENOENT\n", __FILE__, __LINE__);
-		goto done;
-	}
-	od = octo_sessions[lid];
-
-	/*
-	 * 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) {
-		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) {
-		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;
-		}
-	}
-
-	/* point our enccrd and maccrd appropriately */
-	crd = crp->crp_desc;
-	if (crd->crd_alg == od->octo_encalg) enccrd = crd;
-	if (crd->crd_alg == od->octo_macalg) maccrd = crd;
-	crd = crd->crd_next;
-	if (crd) {
-		if (crd->crd_alg == od->octo_encalg) enccrd = crd;
-		if (crd->crd_alg == od->octo_macalg) maccrd = crd;
-		crd = crd->crd_next;
-	}
-	if (crd) {
-		crp->crp_etype = EINVAL;
-		dprintk("%s,%d: ENOENT - descriptors do not match session\n",
-				__FILE__, __LINE__);
-		goto done;
-	}
-
-	if (enccrd) {
-		if (enccrd->crd_flags & CRD_F_IV_EXPLICIT) {
-			ivp = enccrd->crd_iv;
-		} else {
-			ivp = iv_data;
-			crypto_copydata(crp->crp_flags, crp->crp_buf,
-					enccrd->crd_inject, od->octo_ivsize, (caddr_t) ivp);
-		}
-
-		if (maccrd) {
-			auth_off = maccrd->crd_skip;
-			auth_len = maccrd->crd_len;
-			icv_off  = maccrd->crd_inject;
-		}
-
-		crypt_off = enccrd->crd_skip;
-		crypt_len = enccrd->crd_len;
-	} else { /* if (maccrd) */
-		auth_off = maccrd->crd_skip;
-		auth_len = maccrd->crd_len;
-		icv_off  = maccrd->crd_inject;
-	}
-
-
-	/*
-	 * setup the SG list to cover the buffer
-	 */
-	memset(sg, 0, sizeof(sg));
-	if (crp->crp_flags & CRYPTO_F_SKBUF) {
-		int i, len;
-
-		sg_num = 0;
-		sg_len = 0;
-
-		len = skb_headlen(skb);
-		sg_set_page(&sg[sg_num], virt_to_page(skb->data), len,
-				offset_in_page(skb->data));
-		sg_len += len;
-		sg_num++;
-
-		for (i = 0; i < skb_shinfo(skb)->nr_frags && sg_num < SCATTERLIST_MAX;
-				i++) {
-			len = skb_shinfo(skb)->frags[i].size;
-			sg_set_page(&sg[sg_num], skb_shinfo(skb)->frags[i].page,
-					len, skb_shinfo(skb)->frags[i].page_offset);
-			sg_len += len;
-			sg_num++;
-		}
-	} else if (crp->crp_flags & CRYPTO_F_IOV) {
-		int len;
-
-		sg_len = 0;
-		for (sg_num = 0; sg_len < crp->crp_ilen &&
-				sg_num < uiop->uio_iovcnt &&
-				sg_num < SCATTERLIST_MAX; sg_num++) {
-			len = uiop->uio_iov[sg_num].iov_len;
-			sg_set_page(&sg[sg_num],
-					virt_to_page(uiop->uio_iov[sg_num].iov_base), len,
-					offset_in_page(uiop->uio_iov[sg_num].iov_base));
-			sg_len += len;
-		}
-	} else {
-		sg_len = crp->crp_ilen;
-		sg_set_page(&sg[0], virt_to_page(crp->crp_buf), sg_len,
-				offset_in_page(crp->crp_buf));
-		sg_num = 1;
-	}
-
-
-	/*
-	 * setup a new explicit key
-	 */
-	if (enccrd) {
-		if (enccrd->crd_flags & CRD_F_KEY_EXPLICIT) {
-			od->octo_encklen = (enccrd->crd_klen + 7) / 8;
-			memcpy(od->octo_enckey, enccrd->crd_key, od->octo_encklen);
-		}
-	}
-	if (maccrd) {
-		if (maccrd->crd_flags & CRD_F_KEY_EXPLICIT) {
-			od->octo_macklen = (maccrd->crd_klen + 7) / 8;
-			memcpy(od->octo_mackey, maccrd->crd_key, od->octo_macklen);
-			od->octo_mackey_set = 0;
-		}
-		if (!od->octo_mackey_set) {
-			octo_calc_hash(maccrd->crd_alg == CRYPTO_MD5_HMAC ? 0 : 1,
-				maccrd->crd_key, od->octo_hminner, od->octo_hmouter);
-			od->octo_mackey_set = 1;
-		}
-	}
-
-
-	if (!enccrd || (enccrd->crd_flags & CRD_F_ENCRYPT))
-		(*od->octo_encrypt)(od, sg, sg_len,
-				auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
-	else
-		(*od->octo_decrypt)(od, sg, sg_len,
-				auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
-
-done:
-	crypto_done(crp);
-	return 0;
-}
-
-static int
-cryptocteon_init(void)
-{
-	dprintk("%s(%p)\n", __FUNCTION__, cryptocteon_init);
-
-	softc_device_init(&octo_softc, "cryptocteon", 0, octo_methods);
-
-	octo_id = crypto_get_driverid(softc_get_device(&octo_softc),
-			CRYPTOCAP_F_HARDWARE | CRYPTOCAP_F_SYNC);
-	if (octo_id < 0) {
-		printk("Cryptocteon device cannot initialize!");
-		return -ENODEV;
-	}
-
-	crypto_register(octo_id, CRYPTO_MD5_HMAC, 0,0);
-	crypto_register(octo_id, CRYPTO_SHA1_HMAC, 0,0);
-	//crypto_register(octo_id, CRYPTO_MD5, 0,0);
-	//crypto_register(octo_id, CRYPTO_SHA1, 0,0);
-	crypto_register(octo_id, CRYPTO_DES_CBC, 0,0);
-	crypto_register(octo_id, CRYPTO_3DES_CBC, 0,0);
-	crypto_register(octo_id, CRYPTO_AES_CBC, 0,0);
-
-	return(0);
-}
-
-static void
-cryptocteon_exit(void)
-{
-	dprintk("%s()\n", __FUNCTION__);
-	crypto_unregister_all(octo_id);
-	octo_id = -1;
-}
-
-module_init(cryptocteon_init);
-module_exit(cryptocteon_exit);
-
-MODULE_LICENSE("BSD");
-MODULE_AUTHOR("David McCullough <david_mccullough@mcafee.com>");
-MODULE_DESCRIPTION("Cryptocteon (OCF module for Cavium OCTEON crypto)");