rte_crypto_sym.h

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#ifndef _RTE_CRYPTO_SYM_H_
#define _RTE_CRYPTO_SYM_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <string.h>

#include <rte_mbuf.h>
#include <rte_memory.h>
#include <rte_mempool.h>
#include <rte_common.h>


enum rte_crypto_cipher_algorithm {
    RTE_CRYPTO_CIPHER_NULL = 1,
    RTE_CRYPTO_CIPHER_3DES_CBC,
    RTE_CRYPTO_CIPHER_3DES_CTR,
    RTE_CRYPTO_CIPHER_3DES_ECB,
    RTE_CRYPTO_CIPHER_AES_CBC,
    RTE_CRYPTO_CIPHER_AES_CCM,
    RTE_CRYPTO_CIPHER_AES_CTR,
    RTE_CRYPTO_CIPHER_AES_ECB,
    RTE_CRYPTO_CIPHER_AES_F8,
    RTE_CRYPTO_CIPHER_AES_GCM,
    RTE_CRYPTO_CIPHER_AES_XTS,
    RTE_CRYPTO_CIPHER_ARC4,
    RTE_CRYPTO_CIPHER_KASUMI_F8,
    RTE_CRYPTO_CIPHER_SNOW3G_UEA2,
    RTE_CRYPTO_CIPHER_ZUC_EEA3,
    RTE_CRYPTO_CIPHER_LIST_END
};

enum rte_crypto_cipher_operation {
    RTE_CRYPTO_CIPHER_OP_ENCRYPT,
    RTE_CRYPTO_CIPHER_OP_DECRYPT
};

struct rte_crypto_cipher_xform {
    enum rte_crypto_cipher_operation op;
    enum rte_crypto_cipher_algorithm algo;
    struct {
        uint8_t *data;  
        size_t length;  
    } key;
};

enum rte_crypto_auth_algorithm {
    RTE_CRYPTO_AUTH_NULL = 1,
    RTE_CRYPTO_AUTH_AES_CBC_MAC,
    RTE_CRYPTO_AUTH_AES_CCM,
    RTE_CRYPTO_AUTH_AES_CMAC,
    RTE_CRYPTO_AUTH_AES_GCM,
    RTE_CRYPTO_AUTH_AES_GMAC,
    RTE_CRYPTO_AUTH_AES_XCBC_MAC,
    RTE_CRYPTO_AUTH_KASUMI_F9,
    RTE_CRYPTO_AUTH_MD5,
    RTE_CRYPTO_AUTH_MD5_HMAC,
    RTE_CRYPTO_AUTH_SHA1,
    RTE_CRYPTO_AUTH_SHA1_HMAC,
    RTE_CRYPTO_AUTH_SHA224,
    RTE_CRYPTO_AUTH_SHA224_HMAC,
    RTE_CRYPTO_AUTH_SHA256,
    RTE_CRYPTO_AUTH_SHA256_HMAC,
    RTE_CRYPTO_AUTH_SHA384,
    RTE_CRYPTO_AUTH_SHA384_HMAC,
    RTE_CRYPTO_AUTH_SHA512,
    RTE_CRYPTO_AUTH_SHA512_HMAC,
    RTE_CRYPTO_AUTH_SNOW3G_UIA2,
    RTE_CRYPTO_AUTH_ZUC_EIA3,
    RTE_CRYPTO_AUTH_LIST_END
};

enum rte_crypto_auth_operation {
    RTE_CRYPTO_AUTH_OP_VERIFY,  
    RTE_CRYPTO_AUTH_OP_GENERATE 
};

struct rte_crypto_auth_xform {
    enum rte_crypto_auth_operation op;
    enum rte_crypto_auth_algorithm algo;
    struct {
        uint8_t *data;  
        size_t length;  
    } key;
    uint32_t digest_length;
    uint32_t add_auth_data_length;
};

enum rte_crypto_sym_xform_type {
    RTE_CRYPTO_SYM_XFORM_NOT_SPECIFIED = 0, 
    RTE_CRYPTO_SYM_XFORM_AUTH,      
    RTE_CRYPTO_SYM_XFORM_CIPHER     
};

struct rte_crypto_sym_xform {
    struct rte_crypto_sym_xform *next;
    enum rte_crypto_sym_xform_type type
    ; 
    RTE_STD_C11
    union {
        struct rte_crypto_auth_xform auth;
        struct rte_crypto_cipher_xform cipher;
    };
};

enum rte_crypto_sym_op_sess_type {
    RTE_CRYPTO_SYM_OP_WITH_SESSION, 
    RTE_CRYPTO_SYM_OP_SESSIONLESS   
};


struct rte_cryptodev_sym_session;

struct rte_crypto_sym_op {
    struct rte_mbuf *m_src; 
    struct rte_mbuf *m_dst; 
    enum rte_crypto_sym_op_sess_type sess_type;

    RTE_STD_C11
    union {
        struct rte_cryptodev_sym_session *session;
        struct rte_crypto_sym_xform *xform;
    };

    struct {
        struct {
            uint32_t offset;
            uint32_t length;
        } data; 
        struct {
            uint8_t *data;
            phys_addr_t phys_addr;
            uint16_t length;
        } iv;   
    } cipher;

    struct {
        struct {
            uint32_t offset;
            uint32_t length;
        } data; 
        struct {
            uint8_t *data;
            phys_addr_t phys_addr;
            uint16_t length;
        } digest; 
        struct {
            uint8_t *data;
            phys_addr_t phys_addr;  
            uint16_t length;    
        } aad;
    } auth;
} __rte_cache_aligned;


static inline void
__rte_crypto_sym_op_reset(struct rte_crypto_sym_op *op)
{
    memset(op, 0, sizeof(*op));

    op->sess_type = RTE_CRYPTO_SYM_OP_SESSIONLESS;
}


static inline struct rte_crypto_sym_xform *
__rte_crypto_sym_op_sym_xforms_alloc(struct rte_crypto_sym_op *sym_op,
        void *priv_data, uint8_t nb_xforms)
{
    struct rte_crypto_sym_xform *xform;

    sym_op->xform = xform = (struct rte_crypto_sym_xform *)priv_data;

    do {
        xform->type = RTE_CRYPTO_SYM_XFORM_NOT_SPECIFIED;
        xform = xform->next = --nb_xforms > 0 ? xform + 1 : NULL;
    } while (xform);

    return sym_op->xform;
}


static inline int
__rte_crypto_sym_op_attach_sym_session(struct rte_crypto_sym_op *sym_op,
        struct rte_cryptodev_sym_session *sess)
{
    sym_op->session = sess;
    sym_op->sess_type = RTE_CRYPTO_SYM_OP_WITH_SESSION;

    return 0;
}


#ifdef __cplusplus
}
#endif

#endif /* _RTE_CRYPTO_SYM_H_ */