crypto/aesni_mb: do not append digest

[dpdk.git] / drivers / crypto / aesni_mb / rte_aesni_mb_pmd_private.h

diff --git a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_private.h b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_private.h
index 6676948efb3bf7e9d30c52f8cea9408b96ac2794..fe3bd73016b9e262e8b06dc6dc961d97ee4a768b 100644 (file)
--- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_private.h
+++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_private.h
@@ -61,6 +61,8 @@
 #define HMAC_IPAD_VALUE                        (0x36)
 #define HMAC_OPAD_VALUE                        (0x5C)
 
+/* Maximum length for digest (SHA-512 truncated needs 32 bytes) */
+#define DIGEST_LENGTH_MAX 32
 static const unsigned auth_blocksize[] = {
                [MD5]           = 64,
                [SHA1]          = 64,
@@ -164,9 +166,17 @@ struct aesni_mb_qp {
        /**< Session Mempool */
        struct rte_cryptodev_stats stats;
        /**< Queue pair statistics */
+       uint8_t digest_idx;
+       /**< Index of the next slot to be used in temp_digests,
+        * to store the digest for a given operation
+        */
+       uint8_t temp_digests[MAX_JOBS][DIGEST_LENGTH_MAX];
+       /**< Buffers used to store the digest generated
+        * by the driver when verifying a digest provided
+        * by the user (using authentication verify operation)
+        */
 } __rte_cache_aligned;
 
-
 /** AES-NI multi-buffer private session structure */
 struct aesni_mb_session {
        JOB_CHAIN_ORDER chain_order;