drivers: use SPDX tag for Intel copyright files

[dpdk.git] / drivers / crypto / aesni_gcm / aesni_gcm_pmd_private.h

diff --git a/drivers/crypto/aesni_gcm/aesni_gcm_pmd_private.h b/drivers/crypto/aesni_gcm/aesni_gcm_pmd_private.h
index 4885188..b121a1f 100644 (file)
--- a/drivers/crypto/aesni_gcm/aesni_gcm_pmd_private.h
+++ b/drivers/crypto/aesni_gcm/aesni_gcm_pmd_private.h
@@ -1,33 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2016-2017 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 _RTE_AESNI_GCM_PMD_PRIVATE_H_
@@ -35,6 +7,9 @@
 
 #include "aesni_gcm_ops.h"
 
+#define CRYPTODEV_NAME_AESNI_GCM_PMD   crypto_aesni_gcm
+/**< AES-NI GCM PMD device name */
+
 #define GCM_LOG_ERR(fmt, args...) \
        RTE_LOG(ERR, CRYPTODEV, "[%s] %s() line %u: " fmt "\n",  \
                        RTE_STR(CRYPTODEV_NAME_AESNI_GCM_PMD), \
@@ -55,6 +30,8 @@
 #define GCM_LOG_DBG(fmt, args...)
 #endif
 
+/* Maximum length for digest */
+#define DIGEST_LENGTH_MAX 16
 
 /** private data structure for each virtual AESNI GCM device */
 struct aesni_gcm_private {
@@ -81,6 +58,11 @@ struct aesni_gcm_qp {
        /**< Queue Pair Identifier */
        char name[RTE_CRYPTODEV_NAME_LEN];
        /**< Unique Queue Pair Name */
+       uint8_t temp_digest[DIGEST_LENGTH_MAX];
+       /**< Buffer used to store the digest generated
+        * by the driver when verifying a digest provided
+        * by the user (using authentication verify operation)
+        */
 } __rte_cache_aligned;