diff options
Diffstat (limited to 'drivers/crypto/aesni_gcm/aesni_gcm_ops.h')
| -rw-r--r-- | drivers/crypto/aesni_gcm/aesni_gcm_ops.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/drivers/crypto/aesni_gcm/aesni_gcm_ops.h b/drivers/crypto/aesni_gcm/aesni_gcm_ops.h new file mode 100644 index 00000000..c399068c --- /dev/null +++ b/drivers/crypto/aesni_gcm/aesni_gcm_ops.h @@ -0,0 +1,127 @@ +/*- + * 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_ */ |