packages: clean up the package folder

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37007 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 389 insertions, 0 deletions

diff --git a/package/kernel/lantiq/ltq-deu/src/ifxmips_arc4.c b/package/kernel/lantiq/ltq-deu/src/ifxmips_arc4.c
new file mode 100644
index 0000000000..ee56187eee
--- /dev/null
+++ b/package/kernel/lantiq/ltq-deu/src/ifxmips_arc4.c
@@ -0,0 +1,389 @@
+/******************************************************************************
+**
+** FILE NAME    : ifxmips_arc4.c
+** PROJECT      : IFX UEIP
+** MODULES      : DEU Module
+**
+** DATE         : September 8, 2009
+** AUTHOR       : Mohammad Firdaus
+** DESCRIPTION  : Data Encryption Unit Driver for ARC4 Algorithm
+** COPYRIGHT    :       Copyright (c) 2009
+**                      Infineon Technologies AG
+**                      Am Campeon 1-12, 85579 Neubiberg, Germany
+**
+**    This program is free software; you can redistribute it and/or modify
+**    it under the terms of the GNU General Public License as published by
+**    the Free Software Foundation; either version 2 of the License, or
+**    (at your option) any later version.
+**
+** HISTORY
+** $Date        $Author             $Comment
+** 08 Sept 2009 Mohammad Firdaus    Initial UEIP release
+*******************************************************************************/
+
+/*!
+  \defgroup IFX_DEU IFX_DEU_DRIVERS
+  \ingroup API
+  \brief ifx deu driver module
+*/
+
+/*!
+  \file		ifxmips_arc4.c
+  \ingroup 	IFX_DEU
+  \brief 	ARC4 encryption DEU driver file
+*/
+
+/*! 
+  \defgroup IFX_ARC4_FUNCTIONS IFX_ARC4_FUNCTIONS
+  \ingroup IFX_DEU
+  \brief IFX deu driver functions
+*/
+
+/* Project header */
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/crypto.h>
+#include <crypto/algapi.h>
+#include <linux/interrupt.h>
+#include <asm/byteorder.h>
+#include <linux/delay.h>
+
+/* Board specific header files */
+#ifdef CONFIG_AR9
+#include "ifxmips_deu_ar9.h"
+#endif
+#ifdef CONFIG_VR9
+#include "ifxmips_deu_vr9.h"
+#endif
+ 
+static spinlock_t lock;
+#define CRTCL_SECT_INIT        spin_lock_init(&lock)
+#define CRTCL_SECT_START       spin_lock_irqsave(&lock, flag)
+#define CRTCL_SECT_END         spin_unlock_irqrestore(&lock, flag)
+
+/* Preprocessor declerations */
+#define ARC4_MIN_KEY_SIZE       1
+//#define ARC4_MAX_KEY_SIZE     256
+#define ARC4_MAX_KEY_SIZE       16
+#define ARC4_BLOCK_SIZE         1
+#define ARC4_START   IFX_ARC4_CON
+#ifdef CRYPTO_DEBUG
+extern char debug_level;
+#define DPRINTF(level, format, args...) if (level < debug_level) printk(KERN_INFO "[%s %s %d]: " format, __FILE__, __func__, __LINE__, ##args);
+#else
+#define DPRINTF(level, format, args...)
+#endif
+
+/* 
+ * \brief arc4 private structure
+*/
+struct arc4_ctx {
+        int key_length;
+        u8 buf[120];
+};
+
+extern int disable_deudma;
+extern int disable_multiblock;
+
+
+/*! \fn static void _deu_arc4 (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode)
+    \ingroup IFX_ARC4_FUNCTIONS
+    \brief main interface to ARC4 hardware   
+    \param ctx_arg crypto algo context  
+    \param out_arg output bytestream  
+    \param in_arg input bytestream   
+    \param iv_arg initialization vector  
+    \param nbytes length of bytestream  
+    \param encdec 1 for encrypt; 0 for decrypt  
+    \param mode operation mode such as ebc, cbc, ctr  
+*/                                 
+static void _deu_arc4 (void *ctx_arg, u8 *out_arg, const u8 *in_arg,
+            u8 *iv_arg, u32 nbytes, int encdec, int mode)
+{
+        volatile struct arc4_t *arc4 = (struct arc4_t *) ARC4_START;
+        
+        int i = 0;
+        unsigned long flag;
+        
+#if 1 // need to handle nbytes not multiple of 16       
+        volatile u32 tmp_array32[4];
+        volatile u8 *tmp_ptr8;
+        int remaining_bytes, j;
+#endif
+
+        CRTCL_SECT_START;
+
+        arc4->IDLEN = nbytes;
+
+#if 1
+        while (i < nbytes) {
+                arc4->ID3R = *((u32 *) in_arg + (i>>2) + 0);
+                arc4->ID2R = *((u32 *) in_arg + (i>>2) + 1);    
+                arc4->ID1R = *((u32 *) in_arg + (i>>2) + 2);
+                arc4->ID0R = *((u32 *) in_arg + (i>>2) + 3);    
+                
+                arc4->controlr.GO = 1; 
+                
+                while (arc4->controlr.BUS) {
+                      // this will not take long
+                }
+
+#if 1
+                // need to handle nbytes not multiple of 16 
+                tmp_array32[0] = arc4->OD3R;
+                tmp_array32[1] = arc4->OD2R;
+                tmp_array32[2] = arc4->OD1R;
+                tmp_array32[3] = arc4->OD0R;
+
+                remaining_bytes = nbytes - i;
+                if (remaining_bytes > 16)
+                     remaining_bytes = 16;
+                
+                tmp_ptr8 = (u8 *)&tmp_array32[0];
+                for (j = 0; j < remaining_bytes; j++)
+                     *out_arg++ = *tmp_ptr8++;
+#else                                
+                *((u32 *) out_arg + (i>>2) + 0) = arc4->OD3R;
+                *((u32 *) out_arg + (i>>2) + 1) = arc4->OD2R;
+                *((u32 *) out_arg + (i>>2) + 2) = arc4->OD1R;
+                *((u32 *) out_arg + (i>>2) + 3) = arc4->OD0R;
+#endif
+
+                i += 16;
+        }
+#else // dma
+
+#endif // dma
+
+        CRTCL_SECT_END;
+}
+
+/*! \fn arc4_chip_init (void)
+    \ingroup IFX_ARC4_FUNCTIONS
+    \brief initialize arc4 hardware   
+*/                                 
+static void arc4_chip_init (void)
+{
+        //do nothing
+}
+
+/*! \fn static int arc4_set_key(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len)
+    \ingroup IFX_ARC4_FUNCTIONS
+    \brief sets ARC4 key    
+    \param tfm linux crypto algo transform  
+    \param in_key input key  
+    \param key_len key lengths less than or equal to 16 bytes supported  
+*/    
+static int arc4_set_key(struct crypto_tfm *tfm, const u8 *inkey,
+                       unsigned int key_len)
+{
+        //struct arc4_ctx *ctx = crypto_tfm_ctx(tfm);
+        volatile struct arc4_t *arc4 = (struct arc4_t *) ARC4_START;
+        u32 *in_key = (u32 *)inkey;
+                
+        // must program all bits at one go?!!!
+//#if 1
+        *IFX_ARC4_CON = ( (1<<31) | ((key_len - 1)<<27) | (1<<26) | (3<<16) );
+        //NDC=1,ENDI=1,GO=0,KSAE=1,SM=0
+
+        arc4->K3R = *((u32 *) in_key + 0);
+        arc4->K2R = *((u32 *) in_key + 1);
+        arc4->K1R = *((u32 *) in_key + 2);
+        arc4->K0R = *((u32 *) in_key + 3);
+
+#if 0 // arc4 is a ugly state machine, KSAE can only be set once per session  
+        ctx->key_length = key_len;
+
+        memcpy ((u8 *) (ctx->buf), in_key, key_len);
+#endif
+
+        return 0;
+}
+
+/*! \fn static void _deu_arc4_ecb(void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace)
+    \ingroup IFX_ARC4_FUNCTIONS
+    \brief sets ARC4 hardware to ECB mode   
+    \param ctx crypto algo context  
+    \param dst output bytestream  
+    \param src input bytestream  
+    \param iv initialization vector   
+    \param nbytes length of bytestream  
+    \param encdec 1 for encrypt; 0 for decrypt  
+    \param inplace not used  
+*/                               
+static void _deu_arc4_ecb(void *ctx, uint8_t *dst, const uint8_t *src,
+                uint8_t *iv, size_t nbytes, int encdec, int inplace)
+{
+        _deu_arc4 (ctx, dst, src, NULL, nbytes, encdec, 0);
+}
+
+/*! \fn static void arc4_crypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
+    \ingroup IFX_ARC4_FUNCTIONS
+    \brief encrypt/decrypt ARC4_BLOCK_SIZE of data   
+    \param tfm linux crypto algo transform  
+    \param out output bytestream  
+    \param in input bytestream  
+*/     
+static void arc4_crypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
+{
+        struct arc4_ctx *ctx = crypto_tfm_ctx(tfm);
+
+        _deu_arc4 (ctx, out, in, NULL, ARC4_BLOCK_SIZE,
+                    CRYPTO_DIR_DECRYPT, 0);
+
+}
+
+/*
+ * \brief ARC4 function mappings
+*/
+static struct crypto_alg ifxdeu_arc4_alg = {
+        .cra_name               =       "arc4",
+        .cra_driver_name        =       "ifxdeu-arc4",
+        .cra_flags              =       CRYPTO_ALG_TYPE_CIPHER,
+        .cra_blocksize          =       ARC4_BLOCK_SIZE,
+        .cra_ctxsize            =       sizeof(struct arc4_ctx),
+        .cra_module             =       THIS_MODULE,
+        .cra_list               =       LIST_HEAD_INIT(ifxdeu_arc4_alg.cra_list),
+        .cra_u                  =       {
+                .cipher = {
+                        .cia_min_keysize        =       ARC4_MIN_KEY_SIZE,
+                        .cia_max_keysize        =       ARC4_MAX_KEY_SIZE,
+                        .cia_setkey             =       arc4_set_key,
+                        .cia_encrypt            =       arc4_crypt,
+                        .cia_decrypt            =       arc4_crypt,
+                }
+        }
+};
+
+/*! \fn static int ecb_arc4_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes)
+    \ingroup IFX_ARC4_FUNCTIONS
+    \brief ECB ARC4 encrypt using linux crypto blkcipher    
+    \param desc blkcipher descriptor  
+    \param dst output scatterlist  
+    \param src input scatterlist  
+    \param nbytes data size in bytes  
+*/                                     
+static int ecb_arc4_encrypt(struct blkcipher_desc *desc,
+                           struct scatterlist *dst, struct scatterlist *src,
+                           unsigned int nbytes)
+{
+        struct arc4_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
+        struct blkcipher_walk walk;
+        int err;
+
+        DPRINTF(1, "\n");
+        blkcipher_walk_init(&walk, dst, src, nbytes);
+        err = blkcipher_walk_virt(desc, &walk);
+
+        while ((nbytes = walk.nbytes)) {
+                _deu_arc4_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, 
+                               NULL, nbytes, CRYPTO_DIR_ENCRYPT, 0);
+                nbytes &= ARC4_BLOCK_SIZE - 1;
+                err = blkcipher_walk_done(desc, &walk, nbytes);
+        }
+
+        return err;
+}
+
+/*! \fn static int ecb_arc4_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes)
+    \ingroup IFX_ARC4_FUNCTIONS
+    \brief ECB ARC4 decrypt using linux crypto blkcipher    
+    \param desc blkcipher descriptor  
+    \param dst output scatterlist  
+    \param src input scatterlist  
+    \param nbytes data size in bytes  
+*/                                     
+static int ecb_arc4_decrypt(struct blkcipher_desc *desc,
+                           struct scatterlist *dst, struct scatterlist *src,
+                           unsigned int nbytes)
+{
+        struct arc4_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
+        struct blkcipher_walk walk;
+        int err;
+
+        DPRINTF(1, "\n");
+        blkcipher_walk_init(&walk, dst, src, nbytes);
+        err = blkcipher_walk_virt(desc, &walk);
+
+        while ((nbytes = walk.nbytes)) {
+                _deu_arc4_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, 
+                               NULL, nbytes, CRYPTO_DIR_DECRYPT, 0);
+                nbytes &= ARC4_BLOCK_SIZE - 1;
+                err = blkcipher_walk_done(desc, &walk, nbytes);
+        }
+
+        return err;
+}
+
+/*
+ * \brief ARC4 function mappings
+*/
+static struct crypto_alg ifxdeu_ecb_arc4_alg = {
+        .cra_name               =       "ecb(arc4)",
+        .cra_driver_name        =       "ifxdeu-ecb(arc4)",
+        .cra_flags              =       CRYPTO_ALG_TYPE_BLKCIPHER,
+        .cra_blocksize          =       ARC4_BLOCK_SIZE,
+        .cra_ctxsize            =       sizeof(struct arc4_ctx),
+        .cra_type               =       &crypto_blkcipher_type,
+        .cra_module             =       THIS_MODULE,
+        .cra_list               =       LIST_HEAD_INIT(ifxdeu_ecb_arc4_alg.cra_list),
+        .cra_u                  =       {
+                .blkcipher = {
+                        .min_keysize            =       ARC4_MIN_KEY_SIZE,
+                        .max_keysize            =       ARC4_MAX_KEY_SIZE,
+                        .setkey                 =       arc4_set_key,
+                        .encrypt                =       ecb_arc4_encrypt,
+                        .decrypt                =       ecb_arc4_decrypt,
+                }
+        }
+};
+
+/*! \fn int __init ifxdeu_init_arc4(void)
+    \ingroup IFX_ARC4_FUNCTIONS
+    \brief initialize arc4 driver    
+*/                                 
+int __init ifxdeu_init_arc4(void)
+{
+    int ret = -ENOSYS;
+
+
+        if ((ret = crypto_register_alg(&ifxdeu_arc4_alg)))
+                goto arc4_err;
+
+        if ((ret = crypto_register_alg(&ifxdeu_ecb_arc4_alg)))
+                goto ecb_arc4_err;
+
+        arc4_chip_init ();
+
+        CRTCL_SECT_INIT;
+
+        printk (KERN_NOTICE "IFX DEU ARC4 initialized%s%s.\n", disable_multiblock ? "" : " (multiblock)", disable_deudma ? "" : " (DMA)");
+        return ret;
+
+arc4_err:
+        crypto_unregister_alg(&ifxdeu_arc4_alg);
+        printk(KERN_ERR "IFX arc4 initialization failed!\n");
+        return ret;
+ecb_arc4_err:
+        crypto_unregister_alg(&ifxdeu_ecb_arc4_alg);
+        printk (KERN_ERR "IFX ecb_arc4 initialization failed!\n");
+        return ret;
+
+}
+
+/*! \fn void __exit ifxdeu_fini_arc4(void)
+    \ingroup IFX_ARC4_FUNCTIONS
+    \brief unregister arc4 driver   
+*/                                 
+void __exit ifxdeu_fini_arc4(void)
+{
+        crypto_unregister_alg (&ifxdeu_arc4_alg);
+        crypto_unregister_alg (&ifxdeu_ecb_arc4_alg);
+
+
+}
+
+