cryptodev: remove AAD from authentication structure

Now that AAD is only used in AEAD algorithms,
there is no need to keep AAD in the authentication
structure.

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Declan Doherty <declan.doherty@intel.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>

app/test-crypto-perf/cperf_ops.c

@@ -422,7 +422,6 @@ cperf_create_session(uint8_t dev_id,
 					test_vector->auth_iv.length;
 		} else {
 			auth_xform.auth.digest_length = 0;
-			auth_xform.auth.add_auth_data_length = 0;
 			auth_xform.auth.key.length = 0;
 			auth_xform.auth.key.data = NULL;
 			auth_xform.auth.iv.length = 0;
@@ -475,7 +474,6 @@ cperf_create_session(uint8_t dev_id,
 					test_vector->auth_key.data;
 		} else {
 			auth_xform.auth.digest_length = 0;
-			auth_xform.auth.add_auth_data_length = 0;
 			auth_xform.auth.key.length = 0;
 			auth_xform.auth.key.data = NULL;
 			auth_xform.auth.iv.length = 0;

doc/guides/prog_guide/cryptodev_lib.rst

@@ -567,12 +567,6 @@ chain.
                         uint8_t *data;
                         phys_addr_t phys_addr;
                     } digest; /**< Digest parameters */
-
-                    struct {
-                        uint8_t *data;
-                        phys_addr_t phys_addr;
-                    } aad;
-                    /**< Additional authentication parameters */
                 } auth;
             };
         };

doc/guides/rel_notes/release_17_08.rst

@@ -95,6 +95,7 @@ New Features
   * Moved length and offset of cipher IV to ``rte_crypto_cipher_xform``.
   * Removed Additional Authentication Data (AAD) length.
   * Removed digest length.
+  * Removed AAD pointer and physical address from ``auth`` structure.
   * Added ``aead`` structure, containing parameters for AEAD algorithms.
 
 * **Reorganized the crypto operation structure.**
@@ -210,6 +211,7 @@ ABI Changes
   * Added authentication IV length and offset parameters.
   * Changed field size of AAD length from uint32_t to uint16_t.
   * Changed field size of digest length from uint32_t to uint16_t.
+  * Removed AAD length.
 
 
 Shared Library Versions

drivers/crypto/openssl/rte_openssl_pmd.c

@@ -413,7 +413,6 @@ openssl_set_session_auth_parameters(struct openssl_session *sess,
 		return -EINVAL;
 	}
 
-	sess->auth.aad_length = xform->auth.add_auth_data_length;
 	sess->auth.digest_length = xform->auth.digest_length;
 
 	return 0;

lib/librte_cryptodev/rte_crypto_sym.h

@@ -326,13 +326,6 @@ struct rte_crypto_auth_xform {
 	 * the result shall be truncated.
 	 */
 
-	uint16_t add_auth_data_length;
-	/**< The length of the additional authenticated data (AAD) in bytes.
-	 * The maximum permitted value is 65535 (2^16 - 1) bytes, unless
-	 * otherwise specified below.
-	 *
-	 */
-
 	struct {
 		uint16_t offset;
 		/**< Starting point for Initialisation Vector or Counter,
@@ -670,25 +663,6 @@ struct rte_crypto_sym_op {
 					phys_addr_t phys_addr;
 					/**< Physical address of digest */
 				} digest; /**< Digest parameters */
-
-				struct {
-					uint8_t *data;
-					/**< Pointer to Additional Authenticated
-					 * Data (AAD) needed for authenticated cipher
-					 * mechanisms (CCM and GCM).
-					 *
-					 * The length of the data pointed to by this
-					 * field is set up for the session in the @ref
-					 * rte_crypto_auth_xform structure as part of
-					 * the @ref rte_cryptodev_sym_session_create
-					 * function call.
-					 * This length must not exceed 65535 (2^16-1)
-					 * bytes.
-					 *
-					 */
-					phys_addr_t phys_addr;	/**< physical address */
-				} aad;
-				/**< Additional authentication parameters */
 			} auth;
 		};
 	};

test/test/test_cryptodev.c

@@ -5531,7 +5531,6 @@ static int MD5_HMAC_create_session(struct crypto_testsuite_params *ts_params,
 	ut_params->auth_xform.auth.algo = RTE_CRYPTO_AUTH_MD5_HMAC;
 
 	ut_params->auth_xform.auth.digest_length = MD5_DIGEST_LEN;
-	ut_params->auth_xform.auth.add_auth_data_length = 0;
 	ut_params->auth_xform.auth.key.length = test_case->key.len;
 	ut_params->auth_xform.auth.key.data = key;
 
@@ -6304,7 +6303,6 @@ static int create_gmac_session(uint8_t dev_id,
 	ut_params->auth_xform.auth.algo = RTE_CRYPTO_AUTH_AES_GMAC;
 	ut_params->auth_xform.auth.op = auth_op;
 	ut_params->auth_xform.auth.digest_length = tdata->gmac_tag.len;
-	ut_params->auth_xform.auth.add_auth_data_length = 0;
 	ut_params->auth_xform.auth.key.length = tdata->key.len;
 	ut_params->auth_xform.auth.key.data = auth_key;
 	ut_params->auth_xform.auth.iv.offset = IV_OFFSET;
@@ -6684,7 +6682,6 @@ create_auth_session(struct crypto_unittest_params *ut_params,
 	ut_params->auth_xform.auth.key.length = reference->auth_key.len;
 	ut_params->auth_xform.auth.key.data = auth_key;
 	ut_params->auth_xform.auth.digest_length = reference->digest.len;
-	ut_params->auth_xform.auth.add_auth_data_length = reference->aad.len;
 
 	/* Create Crypto session*/
 	ut_params->sess = rte_cryptodev_sym_session_create(dev_id,
@@ -6722,7 +6719,6 @@ create_auth_cipher_session(struct crypto_unittest_params *ut_params,
 		ut_params->auth_xform.auth.iv.length = reference->iv.len;
 	} else {
 		ut_params->auth_xform.next = &ut_params->cipher_xform;
-		ut_params->auth_xform.auth.add_auth_data_length = reference->aad.len;
 
 		/* Setup Cipher Parameters */
 		ut_params->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;

test/test/test_cryptodev_perf.c

@@ -2936,7 +2936,6 @@ test_perf_set_crypto_op_aes(struct rte_crypto_op *op, struct rte_mbuf *m,
 	if (chain == CIPHER_ONLY) {
 		op->sym->auth.digest.data = NULL;
 		op->sym->auth.digest.phys_addr = 0;
-		op->sym->auth.aad.data = NULL;
 		op->sym->auth.data.offset = 0;
 		op->sym->auth.data.length = 0;
 	} else {