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    Subject[PATCH v4 26/35] staging: rtl8192e: Remove unused rtl_crypto.h
    Date
    This header is not used - remove it to make driver code smaller.

    Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
    ---
    drivers/staging/rtl8192e/rtl8192e/rtl_crypto.h | 382 -------------------------
    1 file changed, 382 deletions(-)
    delete mode 100644 drivers/staging/rtl8192e/rtl8192e/rtl_crypto.h

    diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_crypto.h b/drivers/staging/rtl8192e/rtl8192e/rtl_crypto.h
    deleted file mode 100644
    index ee57c0f..0000000
    --- a/drivers/staging/rtl8192e/rtl8192e/rtl_crypto.h
    +++ /dev/null
    @@ -1,382 +0,0 @@
    -/*
    - * Scatterlist Cryptographic API.
    - *
    - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
    - * Copyright (c) 2002 David S. Miller (davem@redhat.com)
    - *
    - * Portions derived from Cryptoapi, by Alexander Kjeldaas <astor@fast.no>
    - * and Nettle, by Niels M鰈ler.
    - *
    - * 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.
    - *
    - */
    -#ifndef _LINUX_CRYPTO_H
    -#define _LINUX_CRYPTO_H
    -
    -#include <linux/module.h>
    -#include <linux/kernel.h>
    -#include <linux/types.h>
    -#include <linux/list.h>
    -#include <linux/string.h>
    -#include <asm/page.h>
    -#include <linux/errno.h>
    -
    -#define crypto_register_alg crypto_register_alg_rsl
    -#define crypto_unregister_alg crypto_unregister_alg_rsl
    -#define crypto_alloc_tfm crypto_alloc_tfm_rsl
    -#define crypto_free_tfm crypto_free_tfm_rsl
    -#define crypto_alg_available crypto_alg_available_rsl
    -
    -/*
    - * Algorithm masks and types.
    - */
    -#define CRYPTO_ALG_TYPE_MASK 0x000000ff
    -#define CRYPTO_ALG_TYPE_CIPHER 0x00000001
    -#define CRYPTO_ALG_TYPE_DIGEST 0x00000002
    -#define CRYPTO_ALG_TYPE_COMPRESS 0x00000004
    -
    -/*
    - * Transform masks and values (for crt_flags).
    - */
    -#define CRYPTO_TFM_MODE_MASK 0x000000ff
    -#define CRYPTO_TFM_REQ_MASK 0x000fff00
    -#define CRYPTO_TFM_RES_MASK 0xfff00000
    -
    -#define CRYPTO_TFM_MODE_ECB 0x00000001
    -#define CRYPTO_TFM_MODE_CBC 0x00000002
    -#define CRYPTO_TFM_MODE_CFB 0x00000004
    -#define CRYPTO_TFM_MODE_CTR 0x00000008
    -
    -#define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100
    -#define CRYPTO_TFM_RES_WEAK_KEY 0x00100000
    -#define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000
    -#define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000
    -#define CRYPTO_TFM_RES_BAD_BLOCK_LEN 0x00800000
    -#define CRYPTO_TFM_RES_BAD_FLAGS 0x01000000
    -
    -/*
    - * Miscellaneous stuff.
    - */
    -#define CRYPTO_UNSPEC 0
    -#define CRYPTO_MAX_ALG_NAME 64
    -
    -struct scatterlist;
    -
    -/*
    - * Algorithms: modular crypto algorithm implementations, managed
    - * via crypto_register_alg() and crypto_unregister_alg().
    - */
    -struct cipher_alg {
    - unsigned int cia_min_keysize;
    - unsigned int cia_max_keysize;
    - int (*cia_setkey)(void *ctx, const u8 *key,
    - unsigned int keylen, u32 *flags);
    - void (*cia_encrypt)(void *ctx, u8 *dst, const u8 *src);
    - void (*cia_decrypt)(void *ctx, u8 *dst, const u8 *src);
    -};
    -
    -struct digest_alg {
    - unsigned int dia_digestsize;
    - void (*dia_init)(void *ctx);
    - void (*dia_update)(void *ctx, const u8 *data, unsigned int len);
    - void (*dia_final)(void *ctx, u8 *out);
    - int (*dia_setkey)(void *ctx, const u8 *key,
    - unsigned int keylen, u32 *flags);
    -};
    -
    -struct compress_alg {
    - int (*coa_init)(void *ctx);
    - void (*coa_exit)(void *ctx);
    - int (*coa_compress)(void *ctx, const u8 *src, unsigned int slen,
    - u8 *dst, unsigned int *dlen);
    - int (*coa_decompress)(void *ctx, const u8 *src, unsigned int slen,
    - u8 *dst, unsigned int *dlen);
    -};
    -
    -#define cra_cipher cra_u.cipher
    -#define cra_digest cra_u.digest
    -#define cra_compress cra_u.compress
    -
    -struct crypto_alg {
    - struct list_head cra_list;
    - u32 cra_flags;
    - unsigned int cra_blocksize;
    - unsigned int cra_ctxsize;
    - const char cra_name[CRYPTO_MAX_ALG_NAME];
    -
    - union {
    - struct cipher_alg cipher;
    - struct digest_alg digest;
    - struct compress_alg compress;
    - } cra_u;
    -
    - struct module *cra_module;
    -};
    -
    -/*
    - * Algorithm registration interface.
    - */
    -int crypto_register_alg(struct crypto_alg *alg);
    -int crypto_unregister_alg(struct crypto_alg *alg);
    -
    -/*
    - * Algorithm query interface.
    - */
    -int crypto_alg_available(const char *name, u32 flags);
    -
    -/*
    - * Transforms: user-instantiated objects which encapsulate algorithms
    - * and core processing logic. Managed via crypto_alloc_tfm() and
    - * crypto_free_tfm(), as well as the various helpers below.
    - */
    -struct crypto_tfm;
    -
    -struct cipher_tfm {
    - void *cit_iv;
    - unsigned int cit_ivsize;
    - u32 cit_mode;
    - int (*cit_setkey)(struct crypto_tfm *tfm,
    - const u8 *key, unsigned int keylen);
    - int (*cit_encrypt)(struct crypto_tfm *tfm,
    - struct scatterlist *dst,
    - struct scatterlist *src,
    - unsigned int nbytes);
    - int (*cit_encrypt_iv)(struct crypto_tfm *tfm,
    - struct scatterlist *dst,
    - struct scatterlist *src,
    - unsigned int nbytes, u8 *iv);
    - int (*cit_decrypt)(struct crypto_tfm *tfm,
    - struct scatterlist *dst,
    - struct scatterlist *src,
    - unsigned int nbytes);
    - int (*cit_decrypt_iv)(struct crypto_tfm *tfm,
    - struct scatterlist *dst,
    - struct scatterlist *src,
    - unsigned int nbytes, u8 *iv);
    - void (*cit_xor_block)(u8 *dst, const u8 *src);
    -};
    -
    -struct digest_tfm {
    - void (*dit_init)(struct crypto_tfm *tfm);
    - void (*dit_update)(struct crypto_tfm *tfm,
    - struct scatterlist *sg, unsigned int nsg);
    - void (*dit_final)(struct crypto_tfm *tfm, u8 *out);
    - void (*dit_digest)(struct crypto_tfm *tfm, struct scatterlist *sg,
    - unsigned int nsg, u8 *out);
    - int (*dit_setkey)(struct crypto_tfm *tfm,
    - const u8 *key, unsigned int keylen);
    -};
    -
    -struct compress_tfm {
    - int (*cot_compress)(struct crypto_tfm *tfm,
    - const u8 *src, unsigned int slen,
    - u8 *dst, unsigned int *dlen);
    - int (*cot_decompress)(struct crypto_tfm *tfm,
    - const u8 *src, unsigned int slen,
    - u8 *dst, unsigned int *dlen);
    -};
    -
    -#define crt_cipher crt_u.cipher
    -#define crt_digest crt_u.digest
    -#define crt_compress crt_u.compress
    -
    -struct crypto_tfm {
    -
    - u32 crt_flags;
    -
    - union {
    - struct cipher_tfm cipher;
    - struct digest_tfm digest;
    - struct compress_tfm compress;
    - } crt_u;
    -
    - struct crypto_alg *__crt_alg;
    -};
    -
    -/*
    - * Transform user interface.
    - */
    -
    -/*
    - * crypto_alloc_tfm() will first attempt to locate an already loaded algorithm.
    - * If that fails and the kernel supports dynamically loadable modules, it
    - * will then attempt to load a module of the same name or alias. A refcount
    - * is grabbed on the algorithm which is then associated with the new transform.
    - *
    - * crypto_free_tfm() frees up the transform and any associated resources,
    - * then drops the refcount on the associated algorithm.
    - */
    -struct crypto_tfm *crypto_alloc_tfm(const char *alg_name, u32 tfm_flags);
    -void crypto_free_tfm(struct crypto_tfm *tfm);
    -
    -/*
    - * Transform helpers which query the underlying algorithm.
    - */
    -static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm)
    -{
    - return tfm->__crt_alg->cra_name;
    -}
    -
    -static inline const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm)
    -{
    - struct crypto_alg *alg = tfm->__crt_alg;
    -
    - if (alg->cra_module)
    - return alg->cra_module->name;
    - else
    - return NULL;
    -}
    -
    -static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm)
    -{
    - return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK;
    -}
    -
    -static inline unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
    - return tfm->__crt_alg->cra_cipher.cia_min_keysize;
    -}
    -
    -static inline unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
    - return tfm->__crt_alg->cra_cipher.cia_max_keysize;
    -}
    -
    -static inline unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
    - return tfm->crt_cipher.cit_ivsize;
    -}
    -
    -static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm)
    -{
    - return tfm->__crt_alg->cra_blocksize;
    -}
    -
    -static inline unsigned int crypto_tfm_alg_digestsize(struct crypto_tfm *tfm)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST);
    - return tfm->__crt_alg->cra_digest.dia_digestsize;
    -}
    -
    -/*
    - * API wrappers.
    - */
    -static inline void crypto_digest_init(struct crypto_tfm *tfm)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST);
    - tfm->crt_digest.dit_init(tfm);
    -}
    -
    -static inline void crypto_digest_update(struct crypto_tfm *tfm,
    - struct scatterlist *sg,
    - unsigned int nsg)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST);
    - tfm->crt_digest.dit_update(tfm, sg, nsg);
    -}
    -
    -static inline void crypto_digest_final(struct crypto_tfm *tfm, u8 *out)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST);
    - tfm->crt_digest.dit_final(tfm, out);
    -}
    -
    -static inline void crypto_digest_digest(struct crypto_tfm *tfm,
    - struct scatterlist *sg,
    - unsigned int nsg, u8 *out)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST);
    - tfm->crt_digest.dit_digest(tfm, sg, nsg, out);
    -}
    -
    -static inline int crypto_digest_setkey(struct crypto_tfm *tfm,
    - const u8 *key, unsigned int keylen)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST);
    - if (tfm->crt_digest.dit_setkey == NULL)
    - return -ENOSYS;
    - return tfm->crt_digest.dit_setkey(tfm, key, keylen);
    -}
    -
    -static inline int crypto_cipher_setkey(struct crypto_tfm *tfm,
    - const u8 *key, unsigned int keylen)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
    - return tfm->crt_cipher.cit_setkey(tfm, key, keylen);
    -}
    -
    -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_encrypt_iv(struct crypto_tfm *tfm,
    - struct scatterlist *dst,
    - struct scatterlist *src,
    - unsigned int nbytes, u8 *iv)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
    - BUG_ON(tfm->crt_cipher.cit_mode == CRYPTO_TFM_MODE_ECB);
    - return tfm->crt_cipher.cit_encrypt_iv(tfm, dst, src, nbytes, iv);
    -}
    -
    -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);
    -}
    -
    -static inline int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm,
    - struct scatterlist *dst,
    - struct scatterlist *src,
    - unsigned int nbytes, u8 *iv)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
    - BUG_ON(tfm->crt_cipher.cit_mode == CRYPTO_TFM_MODE_ECB);
    - return tfm->crt_cipher.cit_decrypt_iv(tfm, dst, src, nbytes, iv);
    -}
    -
    -static inline void crypto_cipher_set_iv(struct crypto_tfm *tfm,
    - const u8 *src, unsigned int len)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
    - memcpy(tfm->crt_cipher.cit_iv, src, len);
    -}
    -
    -static inline void crypto_cipher_get_iv(struct crypto_tfm *tfm,
    - u8 *dst, unsigned int len)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
    - memcpy(dst, tfm->crt_cipher.cit_iv, len);
    -}
    -
    -static inline int crypto_comp_compress(struct crypto_tfm *tfm,
    - const u8 *src, unsigned int slen,
    - u8 *dst, unsigned int *dlen)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_COMPRESS);
    - return tfm->crt_compress.cot_compress(tfm, src, slen, dst, dlen);
    -}
    -
    -static inline int crypto_comp_decompress(struct crypto_tfm *tfm,
    - const u8 *src, unsigned int slen,
    - u8 *dst, unsigned int *dlen)
    -{
    - BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_COMPRESS);
    - return tfm->crt_compress.cot_decompress(tfm, src, slen, dst, dlen);
    -}
    -
    -#endif /* _LINUX_CRYPTO_H */
    --
    1.8.4.1


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