eec136f3c5
This patch provides the implementation of an AES-NI accelerated crypto PMD which is dependent on Intel's multi-buffer library, see the white paper "Fast Multi-buffer IPsec Implementations on Intel® Architecture Processors" This PMD supports AES_GCM authenticated encryption and authenticated decryption using 128-bit AES keys The patch also contains the related unit tests functions Signed-off-by: Declan Doherty <declan.doherty@intel.com> Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com> Acked-by: John Griffin <john.griffin@intel.com>
128 lines
3.4 KiB
C
128 lines
3.4 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2016 Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _AESNI_GCM_OPS_H_
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#define _AESNI_GCM_OPS_H_
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#ifndef LINUX
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#define LINUX
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#endif
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#include <gcm_defines.h>
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#include <aux_funcs.h>
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/** Supported vector modes */
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enum aesni_gcm_vector_mode {
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RTE_AESNI_GCM_NOT_SUPPORTED = 0,
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RTE_AESNI_GCM_SSE,
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RTE_AESNI_GCM_AVX,
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RTE_AESNI_GCM_AVX2
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};
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typedef void (*aes_keyexp_128_enc_t)(void *key, void *enc_exp_keys);
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typedef void (*aesni_gcm_t)(gcm_data *my_ctx_data, u8 *out, const u8 *in,
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u64 plaintext_len, u8 *iv, const u8 *aad, u64 aad_len,
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u8 *auth_tag, u64 auth_tag_len);
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typedef void (*aesni_gcm_precomp_t)(gcm_data *my_ctx_data, u8 *hash_subkey);
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/** GCM library function pointer table */
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struct aesni_gcm_ops {
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struct {
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struct {
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aes_keyexp_128_enc_t aes128_enc;
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/**< AES128 enc key expansion */
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} keyexp;
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/**< Key expansion functions */
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} aux; /**< Auxiliary functions */
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struct {
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aesni_gcm_t enc; /**< GCM encode function pointer */
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aesni_gcm_t dec; /**< GCM decode function pointer */
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aesni_gcm_precomp_t precomp; /**< GCM pre-compute */
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} gcm; /**< GCM functions */
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};
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static const struct aesni_gcm_ops gcm_ops[] = {
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[RTE_AESNI_GCM_NOT_SUPPORTED] = {
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.aux = {
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.keyexp = {
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NULL
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}
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},
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.gcm = {
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NULL
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}
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},
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[RTE_AESNI_GCM_SSE] = {
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.aux = {
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.keyexp = {
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aes_keyexp_128_enc_sse
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}
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},
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.gcm = {
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aesni_gcm_enc_sse,
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aesni_gcm_dec_sse,
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aesni_gcm_precomp_sse
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}
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},
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[RTE_AESNI_GCM_AVX] = {
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.aux = {
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.keyexp = {
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aes_keyexp_128_enc_avx,
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}
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},
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.gcm = {
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aesni_gcm_enc_avx_gen2,
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aesni_gcm_dec_avx_gen2,
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aesni_gcm_precomp_avx_gen2
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}
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},
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[RTE_AESNI_GCM_AVX2] = {
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.aux = {
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.keyexp = {
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aes_keyexp_128_enc_avx2,
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}
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},
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.gcm = {
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aesni_gcm_enc_avx_gen4,
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aesni_gcm_dec_avx_gen4,
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aesni_gcm_precomp_avx_gen4
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}
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}
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};
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#endif /* _AESNI_GCM_OPS_H_ */
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