crypto/aesni_mb: support all truncated HMAC digest sizes

[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 70e9d18..cc5822a 100644 (file)
--- a/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_private.h
+++ b/drivers/crypto/aesni_mb/rte_aesni_mb_pmd_private.h
@@ -31,8 +31,8 @@ int aesni_mb_logtype_driver;
 #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
+/* Maximum length for digest */
+#define DIGEST_LENGTH_MAX 64
 static const unsigned auth_blocksize[] = {
                [MD5]           = 64,
                [SHA1]          = 64,
@@ -95,7 +95,8 @@ static const unsigned auth_digest_byte_lengths[] = {
 };
 
 /**
- * Get the output digest size in bytes for a specified authentication algorithm
+ * Get the full digest size in bytes for a specified authentication algorithm
+ * (if available in the Multi-buffer library)
  *
  * @Note: this function will not return a valid value for a non-valid
  * authentication algorithm
@@ -226,8 +227,10 @@ struct aesni_mb_session {
                        } cmac;
                        /**< Expanded XCBC authentication keys */
                };
-       /** digest size */
-       uint16_t digest_len;
+       /** Generated digest size by the Multi-buffer library */
+       uint16_t gen_digest_len;
+       /** Requested digest size from Cryptodev */
+       uint16_t req_digest_len;
 
        } auth;
        struct {