drivers/staging/rtl8192u/ieee80211/internal.h

   1 /*
   2  * Cryptographic API.
   3  *
   4  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the Free
   8  * Software Foundation; either version 2 of the License, or (at your option)
   9  * any later version.
  10  *
  11  */
  12 #ifndef _CRYPTO_INTERNAL_H
  13 #define _CRYPTO_INTERNAL_H
  14
  15
  16 //#include <linux/crypto.h>
  17 #include "rtl_crypto.h"
  18 #include <linux/mm.h>
  19 #include <linux/highmem.h>
  20 #include <linux/init.h>
  21 #include <asm/hardirq.h>
  22 #include <asm/softirq.h>
  23 #include <asm/kmap_types.h>
  24
  25
  26 static inline void crypto_yield(struct crypto_tfm *tfm)
  27 {
  28         if (!in_softirq())
  29                 cond_resched();
  30 }
  31
  32 static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm)
  33 {
  34         return (void *)&tfm[1];
  35 }
  36
  37 struct crypto_alg *crypto_alg_lookup(const char *name);
  38
  39 #ifdef CONFIG_KMOD
  40 void crypto_alg_autoload(const char *name);
  41 struct crypto_alg *crypto_alg_mod_lookup(const char *name);
  42 #else
  43 static inline struct crypto_alg *crypto_alg_mod_lookup(const char *name)
  44 {
  45         return crypto_alg_lookup(name);
  46 }
  47 #endif
  48
  49 #ifdef CONFIG_CRYPTO_HMAC
  50 int crypto_alloc_hmac_block(struct crypto_tfm *tfm);
  51 void crypto_free_hmac_block(struct crypto_tfm *tfm);
  52 #else
  53 static inline int crypto_alloc_hmac_block(struct crypto_tfm *tfm)
  54 {
  55         return 0;
  56 }
  57
  58 static inline void crypto_free_hmac_block(struct crypto_tfm *tfm)
  59 { }
  60 #endif
  61
  62 #ifdef CONFIG_PROC_FS
  63 void __init crypto_init_proc(void);
  64 #else
  65 static inline void crypto_init_proc(void)
  66 { }
  67 #endif
  68
  69 int crypto_init_digest_flags(struct crypto_tfm *tfm, u32 flags);
  70 int crypto_init_cipher_flags(struct crypto_tfm *tfm, u32 flags);
  71 int crypto_init_compress_flags(struct crypto_tfm *tfm, u32 flags);
  72
  73 int crypto_init_digest_ops(struct crypto_tfm *tfm);
  74 int crypto_init_cipher_ops(struct crypto_tfm *tfm);
  75 int crypto_init_compress_ops(struct crypto_tfm *tfm);
  76
  77 void crypto_exit_digest_ops(struct crypto_tfm *tfm);
  78 void crypto_exit_cipher_ops(struct crypto_tfm *tfm);
  79 void crypto_exit_compress_ops(struct crypto_tfm *tfm);
  80
  81 #endif  /* _CRYPTO_INTERNAL_H */