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/*-
* BSD LICENSE
*
* Copyright(c) 2016 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _AESNI_GCM_OPS_H_
#define _AESNI_GCM_OPS_H_
#ifndef LINUX
#define LINUX
#endif
#include <gcm_defines.h>
#include <aux_funcs.h>
/** Supported vector modes */
enum aesni_gcm_vector_mode {
RTE_AESNI_GCM_NOT_SUPPORTED = 0,
RTE_AESNI_GCM_SSE,
RTE_AESNI_GCM_AVX,
RTE_AESNI_GCM_AVX2
};
typedef void (*aes_keyexp_128_enc_t)(void *key, void *enc_exp_keys);
typedef void (*aesni_gcm_t)(gcm_data *my_ctx_data, u8 *out, const u8 *in,
u64 plaintext_len, u8 *iv, const u8 *aad, u64 aad_len,
u8 *auth_tag, u64 auth_tag_len);
typedef void (*aesni_gcm_precomp_t)(gcm_data *my_ctx_data, u8 *hash_subkey);
/** GCM library function pointer table */
struct aesni_gcm_ops {
struct {
struct {
aes_keyexp_128_enc_t aes128_enc;
/**< AES128 enc key expansion */
} keyexp;
/**< Key expansion functions */
} aux; /**< Auxiliary functions */
struct {
aesni_gcm_t enc; /**< GCM encode function pointer */
aesni_gcm_t dec; /**< GCM decode function pointer */
aesni_gcm_precomp_t precomp; /**< GCM pre-compute */
} gcm; /**< GCM functions */
};
static const struct aesni_gcm_ops gcm_ops[] = {
[RTE_AESNI_GCM_NOT_SUPPORTED] = {
.aux = {
.keyexp = {
NULL
}
},
.gcm = {
NULL
}
},
[RTE_AESNI_GCM_SSE] = {
.aux = {
.keyexp = {
aes_keyexp_128_enc_sse
}
},
.gcm = {
aesni_gcm_enc_sse,
aesni_gcm_dec_sse,
aesni_gcm_precomp_sse
}
},
[RTE_AESNI_GCM_AVX] = {
.aux = {
.keyexp = {
aes_keyexp_128_enc_avx,
}
},
.gcm = {
aesni_gcm_enc_avx_gen2,
aesni_gcm_dec_avx_gen2,
aesni_gcm_precomp_avx_gen2
}
},
[RTE_AESNI_GCM_AVX2] = {
.aux = {
.keyexp = {
aes_keyexp_128_enc_avx2,
}
},
.gcm = {
aesni_gcm_enc_avx_gen4,
aesni_gcm_dec_avx_gen4,
aesni_gcm_precomp_avx_gen4
}
}
};
#endif /* _AESNI_GCM_OPS_H_ */
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