linux/include/crypto/if_alg.h at master · shittydeveloper/linux · GitHub

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* if_alg: User-space algorithm interface

* 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_IF_ALG_H

#define _CRYPTO_IF_ALG_H

#include <linux/compiler.h>

#include <linux/completion.h>

#include <linux/if_alg.h>

#include <linux/scatterlist.h>

#include <linux/types.h>

#include <net/sock.h>

#define ALG_MAX_PAGES 16

struct crypto_async_request;

struct alg_sock {

/* struct sock must be the first member of struct alg_sock */

struct sock sk;

struct sock *parent;

const struct af_alg_type *type;

void *private;

};

struct af_alg_completion {

struct completion completion;

int err;

};

struct af_alg_control {

struct af_alg_iv *iv;

int op;

};

struct af_alg_type {

void *(*bind)(const char *name, u32 type, u32 mask);

void (*release)(void *private);

int (*setkey)(void *private, const u8 *key, unsigned int keylen);

int (*accept)(void *private, struct sock *sk);

struct proto_ops *ops;

struct module *owner;

char name[14];

};

struct af_alg_sgl {

struct scatterlist sg[ALG_MAX_PAGES];

struct page *pages[ALG_MAX_PAGES];

};

int af_alg_register_type(const struct af_alg_type *type);

int af_alg_unregister_type(const struct af_alg_type *type);

int af_alg_release(struct socket *sock);

int af_alg_accept(struct sock *sk, struct socket *newsock);

int af_alg_make_sg(struct af_alg_sgl *sgl, void __user *addr, int len,

int write);

void af_alg_free_sg(struct af_alg_sgl *sgl);

int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con);

int af_alg_wait_for_completion(int err, struct af_alg_completion *completion);

void af_alg_complete(struct crypto_async_request *req, int err);

static inline struct alg_sock *alg_sk(struct sock *sk)

{

return (struct alg_sock *)sk;

}

static inline void af_alg_release_parent(struct sock *sk)

{

sock_put(alg_sk(sk)->parent);

}

static inline void af_alg_init_completion(struct af_alg_completion *completion)

{

init_completion(&completion->completion);

}

#endif /* _CRYPTO_IF_ALG_H */

linux/include/crypto/if_alg.h at master · shittydeveloper/linux · GitHub

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