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Diffstat (limited to 'drivers/staging/rtl8192e/internal.h')
-rw-r--r-- | drivers/staging/rtl8192e/internal.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192e/internal.h b/drivers/staging/rtl8192e/internal.h new file mode 100644 index 000000000000..1c39c000e91b --- /dev/null +++ b/drivers/staging/rtl8192e/internal.h @@ -0,0 +1,129 @@ +/* + * Cryptographic API. + * + * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> + * + * 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 _CRYPTO_INTERNAL_H +#define _CRYPTO_INTERNAL_H + + +#include <linux/version.h> +#include "rtl_crypto.h" +#include <linux/mm.h> +#include <linux/highmem.h> +#include <linux/init.h> + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,12)) +#include <asm/hardirq.h> +#else +#include <linux/hardirq.h> +#include <linux/sched.h> +#endif +#include <asm/kmap_types.h> + +#ifdef BUILT_IN_CRYPTO +#ifdef CONFIG_CRYPTO_HMAC +#undef CONFIG_CRYPTO_HMAC +#endif + +#ifdef CONFIG_KMOD +#undef CONFIG_KMOD +#endif +#endif /* BUILT_IN_CRYPTO */ + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20)) +#define list_for_each_entry(pos, head, member) \ + for (pos = list_entry((head)->next, typeof(*pos), member), \ + prefetch(pos->member.next); \ + &pos->member != (head); \ + pos = list_entry(pos->member.next, typeof(*pos), member), \ + prefetch(pos->member.next)) + +static inline void cond_resched(void) +{ + if (need_resched()) { + set_current_state(TASK_RUNNING); + schedule(); + } +} +#endif + +extern enum km_type crypto_km_types[]; + +static inline enum km_type crypto_kmap_type(int out) +{ + return crypto_km_types[(in_softirq() ? 2 : 0) + out]; +} + +static inline void *crypto_kmap(struct page *page, int out) +{ + return kmap_atomic(page, crypto_kmap_type(out)); +} + +static inline void crypto_kunmap(void *vaddr, int out) +{ + kunmap_atomic(vaddr, crypto_kmap_type(out)); +} + +static inline void crypto_yield(struct crypto_tfm *tfm) +{ + if (!in_softirq()) + cond_resched(); +} + +static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm) +{ + return (void *)&tfm[1]; +} + +struct crypto_alg *crypto_alg_lookup(const char *name); + +#ifdef CONFIG_KMOD +void crypto_alg_autoload(const char *name); +struct crypto_alg *crypto_alg_mod_lookup(const char *name); +#else +static inline struct crypto_alg *crypto_alg_mod_lookup(const char *name) +{ + return crypto_alg_lookup(name); +} +#endif + +#ifdef CONFIG_CRYPTO_HMAC +int crypto_alloc_hmac_block(struct crypto_tfm *tfm); +void crypto_free_hmac_block(struct crypto_tfm *tfm); +#else +static inline int crypto_alloc_hmac_block(struct crypto_tfm *tfm) +{ + return 0; +} + +static inline void crypto_free_hmac_block(struct crypto_tfm *tfm) +{ } +#endif + +#ifdef CONFIG_PROC_FS +void __init crypto_init_proc(void); +#else +static inline void crypto_init_proc(void) +{ } +#endif + +int crypto_init_digest_flags(struct crypto_tfm *tfm, u32 flags); +int crypto_init_cipher_flags(struct crypto_tfm *tfm, u32 flags); +int crypto_init_compress_flags(struct crypto_tfm *tfm, u32 flags); + +int crypto_init_digest_ops(struct crypto_tfm *tfm); +int crypto_init_cipher_ops(struct crypto_tfm *tfm); +int crypto_init_compress_ops(struct crypto_tfm *tfm); + +void crypto_exit_digest_ops(struct crypto_tfm *tfm); +void crypto_exit_cipher_ops(struct crypto_tfm *tfm); +void crypto_exit_compress_ops(struct crypto_tfm *tfm); + +#endif /* _CRYPTO_INTERNAL_H */ |