X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_cryptodev%2Frte_crypto.h;h=fd5ef3a876406d83a8973ffba80ad15102f2763e;hb=0d23f95d70910cca2204bbf78ecc3c50f1aa5a7a;hp=95cf8615e2e159bce3caaaa3e8e831f47519bcea;hpb=81c8dff2fd3d5d0f32961002011187ca92d3fef5;p=dpdk.git

diff --git a/lib/librte_cryptodev/rte_crypto.h b/lib/librte_cryptodev/rte_crypto.h
index 95cf8615e2..fd5ef3a876 100644
--- a/lib/librte_cryptodev/rte_crypto.h
+++ b/lib/librte_cryptodev/rte_crypto.h
@@ -23,6 +23,7 @@ extern "C" {
 #include <rte_common.h>
 
 #include "rte_crypto_sym.h"
+#include "rte_crypto_asym.h"
 
 /** Crypto operation types */
 enum rte_crypto_op_type {
@@ -30,6 +31,8 @@ enum rte_crypto_op_type {
 	/**< Undefined operation type */
 	RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 	/**< Symmetric operation */
+	RTE_CRYPTO_OP_TYPE_ASYMMETRIC
+	/**< Asymmetric operation */
 };
 
 /** Status of crypto operation */
@@ -73,20 +76,37 @@ enum rte_crypto_op_sess_type {
  * rte_cryptodev_enqueue_burst() / rte_cryptodev_dequeue_burst() .
  */
 struct rte_crypto_op {
-	uint8_t type;
-	/**< operation type */
-	uint8_t status;
-	/**<
-	 * operation status - this is reset to
-	 * RTE_CRYPTO_OP_STATUS_NOT_PROCESSED on allocation from mempool and
-	 * will be set to RTE_CRYPTO_OP_STATUS_SUCCESS after crypto operation
-	 * is successfully processed by a crypto PMD
-	 */
-	uint8_t sess_type;
-	/**< operation session type */
-
-	uint8_t reserved[5];
-	/**< Reserved bytes to fill 64 bits for future additions */
+	__extension__
+	union {
+		uint64_t raw;
+		__extension__
+		struct {
+			uint8_t type;
+			/**< operation type */
+			uint8_t status;
+			/**<
+			 * operation status - this is reset to
+			 * RTE_CRYPTO_OP_STATUS_NOT_PROCESSED on allocation
+			 * from mempool and will be set to
+			 * RTE_CRYPTO_OP_STATUS_SUCCESS after crypto operation
+			 * is successfully processed by a crypto PMD
+			 */
+			uint8_t sess_type;
+			/**< operation session type */
+			uint8_t reserved[3];
+			/**< Reserved bytes to fill 64 bits for
+			 * future additions
+			 */
+			uint16_t private_data_offset;
+			/**< Offset to indicate start of private data (if any).
+			 * The offset is counted from the start of the
+			 * rte_crypto_op including IV.
+			 * The private data may be used by the application
+			 * to store information which should remain untouched
+			 * in the library/driver
+			 */
+		};
+	};
 	struct rte_mempool *mempool;
 	/**< crypto operation mempool which operation is allocated from */
 
@@ -97,6 +117,10 @@ struct rte_crypto_op {
 	union {
 		struct rte_crypto_sym_op sym[0];
 		/**< Symmetric operation parameters */
+
+		struct rte_crypto_asym_op asym[0];
+		/**< Asymmetric operation parameters */
+
 	}; /**< operation specific parameters */
 };
 
@@ -117,6 +141,9 @@ __rte_crypto_op_reset(struct rte_crypto_op *op, enum rte_crypto_op_type type)
 	case RTE_CRYPTO_OP_TYPE_SYMMETRIC:
 		__rte_crypto_sym_op_reset(op->sym);
 		break;
+	case RTE_CRYPTO_OP_TYPE_ASYMMETRIC:
+		memset(op->asym, 0, sizeof(struct rte_crypto_asym_op));
+	break;
 	case RTE_CRYPTO_OP_TYPE_UNDEFINED:
 	default:
 		break;
@@ -283,9 +310,14 @@ __rte_crypto_op_get_priv_data(struct rte_crypto_op *op, uint32_t size)
 	if (likely(op->mempool != NULL)) {
 		priv_size = __rte_crypto_op_get_priv_data_size(op->mempool);
 
-		if (likely(priv_size >= size))
-			return (void *)((uint8_t *)(op + 1) +
+		if (likely(priv_size >= size)) {
+			if (op->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC)
+				return (void *)((uint8_t *)(op + 1) +
 					sizeof(struct rte_crypto_sym_op));
+			if (op->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC)
+				return (void *)((uint8_t *)(op + 1) +
+					sizeof(struct rte_crypto_asym_op));
+		}
 	}
 
 	return NULL;
@@ -388,6 +420,24 @@ rte_crypto_op_attach_sym_session(struct rte_crypto_op *op,
 	return __rte_crypto_sym_op_attach_sym_session(op->sym, sess);
 }
 
+/**
+ * Attach a asymmetric session to a crypto operation
+ *
+ * @param	op	crypto operation, must be of type asymmetric
+ * @param	sess	cryptodev session
+ */
+static inline int
+rte_crypto_op_attach_asym_session(struct rte_crypto_op *op,
+		struct rte_cryptodev_asym_session *sess)
+{
+	if (unlikely(op->type != RTE_CRYPTO_OP_TYPE_ASYMMETRIC))
+		return -1;
+
+	op->sess_type = RTE_CRYPTO_OP_WITH_SESSION;
+	op->asym->session = sess;
+	return 0;
+}
+
 #ifdef __cplusplus
 }
 #endif