- Separated key exchange enum from asym op type.
Key exchange and asymmetric crypto operations like signatures,
encryption/decryption should not share same operation enum as
its use cases are unrelated and mutually exclusive.
Therefore op_type was separate into:
1) operation type
2) key exchange operation type

Signed-off-by: Arek Kusztal <arkadiuszx.kusz...@intel.com>
---
 app/test/test_cryptodev_asym.c               | 11 +++----
 drivers/crypto/openssl/rte_openssl_pmd.c     | 10 +++----
 drivers/crypto/openssl/rte_openssl_pmd_ops.c | 12 ++++----
 lib/cryptodev/rte_crypto_asym.h              | 45 +++++++++++++++++-----------
 lib/cryptodev/rte_cryptodev.c                | 14 ++++++---
 5 files changed, 55 insertions(+), 37 deletions(-)

diff --git a/app/test/test_cryptodev_asym.c b/app/test/test_cryptodev_asym.c
index 5aa9d65395..1b77aa2b6a 100644
--- a/app/test/test_cryptodev_asym.c
+++ b/app/test/test_cryptodev_asym.c
@@ -1062,7 +1062,7 @@ test_dh_gen_shared_sec(struct rte_crypto_asym_xform *xfrm)
        asym_op = op->asym;
 
        /* Setup a xform and op to generate private key only */
-       xform.dh.type = RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE;
+       xform.dh.type = RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE;
        xform.next = NULL;
        asym_op->dh.priv_key.data = dh_test_params.priv_key.data;
        asym_op->dh.priv_key.length = dh_test_params.priv_key.length;
@@ -1144,7 +1144,7 @@ test_dh_gen_priv_key(struct rte_crypto_asym_xform *xfrm)
        asym_op = op->asym;
 
        /* Setup a xform and op to generate private key only */
-       xform.dh.type = RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE;
+       xform.dh.type = RTE_CRYPTO_ASYM_KE_PRIVATE_KEY_GENERATE;
        xform.next = NULL;
        asym_op->dh.priv_key.data = output;
        asym_op->dh.priv_key.length = sizeof(output);
@@ -1227,7 +1227,7 @@ test_dh_gen_pub_key(struct rte_crypto_asym_xform *xfrm)
         * using test private key
         *
         */
-       xform.dh.type = RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE;
+       xform.dh.type = RTE_CRYPTO_ASYM_KE_PUBLIC_KEY_GENERATE;
        xform.next = NULL;
 
        asym_op->dh.pub_key.data = output;
@@ -1317,9 +1317,10 @@ test_dh_gen_kp(struct rte_crypto_asym_xform *xfrm)
        /* Setup a xform chain to generate
         * private key first followed by
         * public key
-        */xform.dh.type = RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE;
+        */
+       xform.dh.type = RTE_CRYPTO_ASYM_KE_PRIVATE_KEY_GENERATE;
        pub_key_xform.xform_type = RTE_CRYPTO_ASYM_XFORM_DH;
-       pub_key_xform.dh.type = RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE;
+       pub_key_xform.dh.type = RTE_CRYPTO_ASYM_KE_PUBLIC_KEY_GENERATE;
        xform.next = &pub_key_xform;
 
        asym_op->dh.pub_key.data = out_pub_key;
diff --git a/drivers/crypto/openssl/rte_openssl_pmd.c 
b/drivers/crypto/openssl/rte_openssl_pmd.c
index d80e1052e2..2a3930df0a 100644
--- a/drivers/crypto/openssl/rte_openssl_pmd.c
+++ b/drivers/crypto/openssl/rte_openssl_pmd.c
@@ -1697,7 +1697,7 @@ process_openssl_dh_op(struct rte_crypto_op *cop,
        int ret = 0;
 
        if (sess->u.dh.key_op &
-                       (1 << RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE)) {
+                       (1 << RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE)) {
                /* compute shared secret using peer public key
                 * and current private key
                 * shared secret = peer_key ^ priv_key mod p
@@ -1754,9 +1754,9 @@ process_openssl_dh_op(struct rte_crypto_op *cop,
         * then first set DH with user provided private key
         */
        if ((sess->u.dh.key_op &
-                       (1 << RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE)) &&
+                       (1 << RTE_CRYPTO_ASYM_KE_PUBLIC_KEY_GENERATE)) &&
                        !(sess->u.dh.key_op &
-                       (1 << RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE))) {
+                       (1 << RTE_CRYPTO_ASYM_KE_PRIVATE_KEY_GENERATE))) {
                /* generate public key using user-provided private key
                 * pub_key = g ^ priv_key mod p
                 */
@@ -1790,7 +1790,7 @@ process_openssl_dh_op(struct rte_crypto_op *cop,
                return 0;
        }
 
-       if (sess->u.dh.key_op & (1 << RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE)) {
+       if (sess->u.dh.key_op & (1 << RTE_CRYPTO_ASYM_KE_PUBLIC_KEY_GENERATE)) {
                const BIGNUM *pub_key = NULL;
 
                OPENSSL_LOG(DEBUG, "%s:%d update public key\n",
@@ -1805,7 +1805,7 @@ process_openssl_dh_op(struct rte_crypto_op *cop,
        }
 
        if (sess->u.dh.key_op &
-                       (1 << RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE)) {
+                       (1 << RTE_CRYPTO_ASYM_KE_PRIVATE_KEY_GENERATE)) {
                const BIGNUM *priv_key = NULL;
 
                OPENSSL_LOG(DEBUG, "%s:%d updated priv key\n",
diff --git a/drivers/crypto/openssl/rte_openssl_pmd_ops.c 
b/drivers/crypto/openssl/rte_openssl_pmd_ops.c
index 1cb07794bd..c975ef640a 100644
--- a/drivers/crypto/openssl/rte_openssl_pmd_ops.c
+++ b/drivers/crypto/openssl/rte_openssl_pmd_ops.c
@@ -533,10 +533,10 @@ static const struct rte_cryptodev_capabilities 
openssl_pmd_capabilities[] = {
                        .xform_capa = {
                                .xform_type = RTE_CRYPTO_ASYM_XFORM_DH,
                                .op_types =
-                               ((1<<RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE) |
-                               (1 << RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE |
+                               ((1<<RTE_CRYPTO_ASYM_KE_PRIVATE_KEY_GENERATE) |
+                               (1 << RTE_CRYPTO_ASYM_KE_PUBLIC_KEY_GENERATE |
                                (1 <<
-                               RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE))),
+                               RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE))),
                                {
                                .modlen = {
                                /* value 0 symbolizes no limit on min length */
@@ -1009,13 +1009,13 @@ static int openssl_set_asym_session_parameters(
                asym_session->u.dh.key_op = (1 << xform->dh.type);
 
                if (xform->dh.type ==
-                       RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE) {
+                       RTE_CRYPTO_ASYM_KE_PRIVATE_KEY_GENERATE) {
                        /* check if next is pubkey */
                        if ((xform->next != NULL) &&
                                (xform->next->xform_type ==
                                RTE_CRYPTO_ASYM_XFORM_DH) &&
                                (xform->next->dh.type ==
-                               RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE)
+                               RTE_CRYPTO_ASYM_KE_PUBLIC_KEY_GENERATE)
                                ) {
                                /*
                                 * setup op as pub/priv key
@@ -1023,7 +1023,7 @@ static int openssl_set_asym_session_parameters(
                                 */
                                asym_session->u.dh.key_op |=
                                (1 <<
-                               RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE);
+                               RTE_CRYPTO_ASYM_KE_PUBLIC_KEY_GENERATE);
                        }
                }
                asym_session->u.dh.dh_key = dh;
diff --git a/lib/cryptodev/rte_crypto_asym.h b/lib/cryptodev/rte_crypto_asym.h
index 66ffb29743..2b427afa3f 100644
--- a/lib/cryptodev/rte_crypto_asym.h
+++ b/lib/cryptodev/rte_crypto_asym.h
@@ -33,6 +33,10 @@ struct rte_cryptodev_asym_session;
 extern const char *
 rte_crypto_asym_xform_strings[];
 
+/** asym key exchange operation type name strings */
+extern const char *
+rte_crypto_asym_ke_strings[];
+
 /** asym operations type name strings */
 extern const char *
 rte_crypto_asym_op_strings[];
@@ -124,16 +128,22 @@ enum rte_crypto_asym_op_type {
        /**< Signature Generation operation */
        RTE_CRYPTO_ASYM_OP_VERIFY,
        /**< Signature Verification operation */
-       RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE,
-       /**< DH Private Key generation operation */
-       RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE,
-       /**< DH Public Key generation operation */
-       RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE,
-       /**< DH Shared Secret compute operation */
        RTE_CRYPTO_ASYM_OP_LIST_END
 };
 
 /**
+ * Asymmetric crypto key exchange operation type
+ */
+enum rte_crypto_asym_ke_type {
+       RTE_CRYPTO_ASYM_KE_PRIVATE_KEY_GENERATE,
+       /**< Private Key generation operation */
+       RTE_CRYPTO_ASYM_KE_PUBLIC_KEY_GENERATE,
+       /**< Public Key generation operation */
+       RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE
+       /**< Shared Secret compute operation */
+};
+
+/**
  * Padding types for RSA signature.
  */
 enum rte_crypto_rsa_padding_type {
@@ -238,7 +248,7 @@ struct rte_crypto_modinv_xform {
  *
  */
 struct rte_crypto_dh_xform {
-       enum rte_crypto_asym_op_type type;
+       enum rte_crypto_asym_ke_type type;
        /**< Setup xform for key generate or shared secret compute */
        rte_crypto_uint p;
        /**< Prime modulus data */
@@ -375,26 +385,27 @@ struct rte_crypto_rsa_op_param {
 struct rte_crypto_dh_op_param {
        rte_crypto_uint pub_key;
        /**<
-        * Output generated public key when xform type is
-        * DH PUB_KEY_GENERATION.
-        * Input peer public key when xform type is DH
-        * SHARED_SECRET_COMPUTATION
+        * Output - generated public key, when xform type is
+        * RTE_CRYPTO_ASYM_KE_PUBLIC_KEY_GENERATE.
         *
+        * Input - peer's public key, when xform type is
+        * RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE.
         */
 
        rte_crypto_uint priv_key;
        /**<
-        * Output generated private key if xform type is
-        * DH PRIVATE_KEY_GENERATION
-        * Input when xform type is DH SHARED_SECRET_COMPUTATION.
+        * Output - generated private key, when xform type is
+        * RTE_CRYPTO_ASYM_KE_PRIVATE_KEY_GENERATE.
         *
+        * Input - private key, when xform type is one of:
+        * RTE_CRYPTO_ASYM_KE_PUBLIC_KEY_GENERATE,
+        * RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE.
         */
 
        rte_crypto_uint shared_secret;
        /**<
-        * Output with calculated shared secret
-        * when dh xform set up with op type = SHARED_SECRET_COMPUTATION.
-        *
+        * Output - calculated shared secret when xform type is
+        * RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE.
         */
 };
 
diff --git a/lib/cryptodev/rte_cryptodev.c b/lib/cryptodev/rte_cryptodev.c
index 691625bd04..af58f49d07 100644
--- a/lib/cryptodev/rte_cryptodev.c
+++ b/lib/cryptodev/rte_cryptodev.c
@@ -176,10 +176,16 @@ const char *rte_crypto_asym_op_strings[] = {
        [RTE_CRYPTO_ASYM_OP_ENCRYPT]    = "encrypt",
        [RTE_CRYPTO_ASYM_OP_DECRYPT]    = "decrypt",
        [RTE_CRYPTO_ASYM_OP_SIGN]       = "sign",
-       [RTE_CRYPTO_ASYM_OP_VERIFY]     = "verify",
-       [RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE]       = "priv_key_generate",
-       [RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE] = "pub_key_generate",
-       [RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE] = "sharedsecret_compute",
+       [RTE_CRYPTO_ASYM_OP_VERIFY]     = "verify"
+};
+
+/**
+ * Asymmetric crypto key exchange operation strings identifiers.
+ */
+const char *rte_crypto_asym_ke_strings[] = {
+       [RTE_CRYPTO_ASYM_KE_PRIVATE_KEY_GENERATE] = "priv_key_generate",
+       [RTE_CRYPTO_ASYM_KE_PUBLIC_KEY_GENERATE] = "pub_key_generate",
+       [RTE_CRYPTO_ASYM_KE_SHARED_SECRET_COMPUTE] = "sharedsecret_compute"
 };
 
 /**
-- 
2.13.6

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