crypto/aesni_mb: support AES-CCM-256

This patch adds support for AES-CCM-256 when using AESNI-MB

Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>

doc/guides/cryptodevs/features/aesni_mb.ini

@@ -65,6 +65,7 @@ KASUMI F9    = Y
 ;
 [AEAD]
 AES CCM (128)     = Y
+AES CCM (256)     = Y
 AES GCM (128)     = Y
 AES GCM (192)     = Y
 AES GCM (256)     = Y

doc/guides/rel_notes/release_20_11.rst

@@ -159,6 +159,7 @@ New Features
   * Added support for SNOW3G-UEA2/UIA2 algorithms.
   * Added support for KASUMI-F8/F9 algorithms.
   * Added support for Chacha20-Poly1305.
+  * Added support for AES-256 CCM algorithm.
 
 * **Updated the aesni_gcm crypto PMD.**
 

drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c

@@ -686,6 +686,12 @@ aesni_mb_set_session_aead_parameters(const MB_MGR *mb_mgr,
 					sess->cipher.expanded_aes_keys.encode,
 					sess->cipher.expanded_aes_keys.decode);
 			break;
+		case AES_256_BYTES:
+			sess->cipher.key_length_in_bytes = AES_256_BYTES;
+			IMB_AES_KEYEXP_256(mb_mgr, xform->aead.key.data,
+					sess->cipher.expanded_aes_keys.encode,
+					sess->cipher.expanded_aes_keys.decode);
+			break;
 		default:
 			AESNI_MB_LOG(ERR, "Invalid cipher key length");
 			return -EINVAL;

drivers/crypto/aesni_mb/rte_aesni_mb_pmd_ops.c

@@ -400,8 +400,13 @@ static const struct rte_cryptodev_capabilities aesni_mb_pmd_capabilities[] = {
 				.block_size = 16,
 				.key_size = {
 					.min = 16,
+#if IMB_VERSION(0, 54, 2) <= IMB_VERSION_NUM
+					.max = 32,
+					.increment = 16
+#else
 					.max = 16,
 					.increment = 0
+#endif
 				},
 				.digest_size = {
 					.min = 4,