-/*-
- * 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2017 Intel Corporation
*/
#ifndef _AESNI_GCM_OPS_H_
RTE_AESNI_GCM_NOT_SUPPORTED = 0,
RTE_AESNI_GCM_SSE,
RTE_AESNI_GCM_AVX,
- RTE_AESNI_GCM_AVX2
+ RTE_AESNI_GCM_AVX2,
+ RTE_AESNI_GCM_VECTOR_NUM
};
-typedef void (*aes_keyexp_128_enc_t)(void *key, void *enc_exp_keys);
+enum aesni_gcm_key {
+ AESNI_GCM_KEY_128,
+ AESNI_GCM_KEY_192,
+ AESNI_GCM_KEY_256,
+ AESNI_GCM_KEY_NUM
+};
+
+
+typedef void (*aesni_gcm_t)(const struct gcm_key_data *gcm_key_data,
+ struct gcm_context_data *gcm_ctx_data, uint8_t *out,
+ const uint8_t *in, uint64_t plaintext_len, const uint8_t *iv,
+ const uint8_t *aad, uint64_t aad_len,
+ uint8_t *auth_tag, uint64_t auth_tag_len);
+
+typedef void (*aesni_gcm_precomp_t)(const void *key, struct gcm_key_data *gcm_data);
-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_init_t)(const struct gcm_key_data *gcm_key_data,
+ struct gcm_context_data *gcm_ctx_data,
+ const uint8_t *iv,
+ uint8_t const *aad,
+ uint64_t aad_len);
-typedef void (*aesni_gcm_precomp_t)(gcm_data *my_ctx_data, u8 *hash_subkey);
+typedef void (*aesni_gcm_update_t)(const struct gcm_key_data *gcm_key_data,
+ struct gcm_context_data *gcm_ctx_data,
+ uint8_t *out,
+ const uint8_t *in,
+ uint64_t plaintext_len);
+
+typedef void (*aesni_gcm_finalize_t)(const struct gcm_key_data *gcm_key_data,
+ struct gcm_context_data *gcm_ctx_data,
+ uint8_t *auth_tag,
+ uint64_t auth_tag_len);
/** 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 */
+ aesni_gcm_t enc; /**< GCM encode function pointer */
+ aesni_gcm_t dec; /**< GCM decode function pointer */
+ aesni_gcm_precomp_t precomp; /**< GCM pre-compute */
+ aesni_gcm_init_t init;
+ aesni_gcm_update_t update_enc;
+ aesni_gcm_update_t update_dec;
+ aesni_gcm_finalize_t finalize;
};
+#define AES_GCM_FN(keylen, arch) \
+aes_gcm_enc_##keylen##_##arch,\
+aes_gcm_dec_##keylen##_##arch,\
+aes_gcm_pre_##keylen##_##arch,\
+aes_gcm_init_##keylen##_##arch,\
+aes_gcm_enc_##keylen##_update_##arch,\
+aes_gcm_dec_##keylen##_update_##arch,\
+aes_gcm_enc_##keylen##_finalize_##arch,
-static const struct aesni_gcm_ops gcm_ops[] = {
+static const struct aesni_gcm_ops gcm_ops[RTE_AESNI_GCM_VECTOR_NUM][AESNI_GCM_KEY_NUM] = {
[RTE_AESNI_GCM_NOT_SUPPORTED] = {
- .aux = {
- .keyexp = {
- NULL
- }
- },
- .gcm = {
- NULL
- }
+ [AESNI_GCM_KEY_128] = {NULL},
+ [AESNI_GCM_KEY_192] = {NULL},
+ [AESNI_GCM_KEY_256] = {NULL}
},
[RTE_AESNI_GCM_SSE] = {
- .aux = {
- .keyexp = {
- aes_keyexp_128_enc_sse
- }
+ [AESNI_GCM_KEY_128] = {
+ AES_GCM_FN(128, sse)
+ },
+ [AESNI_GCM_KEY_192] = {
+ AES_GCM_FN(192, sse)
},
- .gcm = {
- aesni_gcm_enc_sse,
- aesni_gcm_dec_sse,
- aesni_gcm_precomp_sse
+ [AESNI_GCM_KEY_256] = {
+ AES_GCM_FN(256, sse)
}
},
[RTE_AESNI_GCM_AVX] = {
- .aux = {
- .keyexp = {
- aes_keyexp_128_enc_avx,
- }
+ [AESNI_GCM_KEY_128] = {
+ AES_GCM_FN(128, avx_gen2)
+ },
+ [AESNI_GCM_KEY_192] = {
+ AES_GCM_FN(192, avx_gen2)
},
- .gcm = {
- aesni_gcm_enc_avx_gen2,
- aesni_gcm_dec_avx_gen2,
- aesni_gcm_precomp_avx_gen2
+ [AESNI_GCM_KEY_256] = {
+ AES_GCM_FN(256, avx_gen2)
}
},
[RTE_AESNI_GCM_AVX2] = {
- .aux = {
- .keyexp = {
- aes_keyexp_128_enc_avx2,
- }
+ [AESNI_GCM_KEY_128] = {
+ AES_GCM_FN(128, avx_gen4)
},
- .gcm = {
- aesni_gcm_enc_avx_gen4,
- aesni_gcm_dec_avx_gen4,
- aesni_gcm_precomp_avx_gen4
+ [AESNI_GCM_KEY_192] = {
+ AES_GCM_FN(192, avx_gen4)
+ },
+ [AESNI_GCM_KEY_256] = {
+ AES_GCM_FN(256, avx_gen4)
}
}
};
-
-
#endif /* _AESNI_GCM_OPS_H_ */
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