Imported Upstream version 16.11

Change-Id: I1944c65ddc88a9ad70f8c0eb6731552b84fbcb77
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>

1 files changed, 1062 insertions, 0 deletions

diff --git a/drivers/crypto/openssl/rte_openssl_pmd.c b/drivers/crypto/openssl/rte_openssl_pmd.c
new file mode 100644
index 00000000..5f8fa331
--- /dev/null
+++ b/drivers/crypto/openssl/rte_openssl_pmd.c
@@ -0,0 +1,1062 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2016 Intel Corporation. All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <rte_common.h>
+#include <rte_hexdump.h>
+#include <rte_cryptodev.h>
+#include <rte_cryptodev_pmd.h>
+#include <rte_vdev.h>
+#include <rte_malloc.h>
+#include <rte_cpuflags.h>
+
+#include <openssl/evp.h>
+
+#include "rte_openssl_pmd_private.h"
+
+static int cryptodev_openssl_remove(const char *name);
+
+/*----------------------------------------------------------------------------*/
+
+/**
+ * Global static parameter used to create a unique name for each
+ * OPENSSL crypto device.
+ */
+static unsigned int unique_name_id;
+
+static inline int
+create_unique_device_name(char *name, size_t size)
+{
+	int ret;
+
+	if (name == NULL)
+		return -EINVAL;
+
+	ret = snprintf(name, size, "%s_%u",
+			RTE_STR(CRYPTODEV_NAME_OPENSSL_PMD),
+			unique_name_id++);
+	if (ret < 0)
+		return ret;
+	return 0;
+}
+
+/**
+ * Increment counter by 1
+ * Counter is 64 bit array, big-endian
+ */
+static void
+ctr_inc(uint8_t *ctr)
+{
+	uint64_t *ctr64 = (uint64_t *)ctr;
+
+	*ctr64 = __builtin_bswap64(*ctr64);
+	(*ctr64)++;
+	*ctr64 = __builtin_bswap64(*ctr64);
+}
+
+/*
+ *------------------------------------------------------------------------------
+ * Session Prepare
+ *------------------------------------------------------------------------------
+ */
+
+/** Get xform chain order */
+static enum openssl_chain_order
+openssl_get_chain_order(const struct rte_crypto_sym_xform *xform)
+{
+	enum openssl_chain_order res = OPENSSL_CHAIN_NOT_SUPPORTED;
+
+	if (xform != NULL) {
+		if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
+			if (xform->next == NULL)
+				res =  OPENSSL_CHAIN_ONLY_AUTH;
+			else if (xform->next->type ==
+					RTE_CRYPTO_SYM_XFORM_CIPHER)
+				res =  OPENSSL_CHAIN_AUTH_CIPHER;
+		}
+		if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
+			if (xform->next == NULL)
+				res =  OPENSSL_CHAIN_ONLY_CIPHER;
+			else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
+				res =  OPENSSL_CHAIN_CIPHER_AUTH;
+		}
+	}
+
+	return res;
+}
+
+/** Get session cipher key from input cipher key */
+static void
+get_cipher_key(uint8_t *input_key, int keylen, uint8_t *session_key)
+{
+	memcpy(session_key, input_key, keylen);
+}
+
+/** Get key ede 24 bytes standard from input key */
+static int
+get_cipher_key_ede(uint8_t *key, int keylen, uint8_t *key_ede)
+{
+	int res = 0;
+
+	/* Initialize keys - 24 bytes: [key1-key2-key3] */
+	switch (keylen) {
+	case 24:
+		memcpy(key_ede, key, 24);
+		break;
+	case 16:
+		/* K3 = K1 */
+		memcpy(key_ede, key, 16);
+		memcpy(key_ede + 16, key, 8);
+		break;
+	case 8:
+		/* K1 = K2 = K3 (DES compatibility) */
+		memcpy(key_ede, key, 8);
+		memcpy(key_ede + 8, key, 8);
+		memcpy(key_ede + 16, key, 8);
+		break;
+	default:
+		OPENSSL_LOG_ERR("Unsupported key size");
+		res = -EINVAL;
+	}
+
+	return res;
+}
+
+/** Get adequate openssl function for input cipher algorithm */
+static uint8_t
+get_cipher_algo(enum rte_crypto_cipher_algorithm sess_algo, size_t keylen,
+		const EVP_CIPHER **algo)
+{
+	int res = 0;
+
+	if (algo != NULL) {
+		switch (sess_algo) {
+		case RTE_CRYPTO_CIPHER_3DES_CBC:
+			switch (keylen) {
+			case 16:
+				*algo = EVP_des_ede_cbc();
+				break;
+			case 24:
+				*algo = EVP_des_ede3_cbc();
+				break;
+			default:
+				res = -EINVAL;
+			}
+			break;
+		case RTE_CRYPTO_CIPHER_3DES_CTR:
+			break;
+		case RTE_CRYPTO_CIPHER_AES_CBC:
+			switch (keylen) {
+			case 16:
+				*algo = EVP_aes_128_cbc();
+				break;
+			case 24:
+				*algo = EVP_aes_192_cbc();
+				break;
+			case 32:
+				*algo = EVP_aes_256_cbc();
+				break;
+			default:
+				res = -EINVAL;
+			}
+			break;
+		case RTE_CRYPTO_CIPHER_AES_CTR:
+			switch (keylen) {
+			case 16:
+				*algo = EVP_aes_128_ctr();
+				break;
+			case 24:
+				*algo = EVP_aes_192_ctr();
+				break;
+			case 32:
+				*algo = EVP_aes_256_ctr();
+				break;
+			default:
+				res = -EINVAL;
+			}
+			break;
+		case RTE_CRYPTO_CIPHER_AES_GCM:
+			switch (keylen) {
+			case 16:
+				*algo = EVP_aes_128_gcm();
+				break;
+			case 24:
+				*algo = EVP_aes_192_gcm();
+				break;
+			case 32:
+				*algo = EVP_aes_256_gcm();
+				break;
+			default:
+				res = -EINVAL;
+			}
+			break;
+		default:
+			res = -EINVAL;
+			break;
+		}
+	} else {
+		res = -EINVAL;
+	}
+
+	return res;
+}
+
+/** Get adequate openssl function for input auth algorithm */
+static uint8_t
+get_auth_algo(enum rte_crypto_auth_algorithm sessalgo,
+		const EVP_MD **algo)
+{
+	int res = 0;
+
+	if (algo != NULL) {
+		switch (sessalgo) {
+		case RTE_CRYPTO_AUTH_MD5:
+		case RTE_CRYPTO_AUTH_MD5_HMAC:
+			*algo = EVP_md5();
+			break;
+		case RTE_CRYPTO_AUTH_SHA1:
+		case RTE_CRYPTO_AUTH_SHA1_HMAC:
+			*algo = EVP_sha1();
+			break;
+		case RTE_CRYPTO_AUTH_SHA224:
+		case RTE_CRYPTO_AUTH_SHA224_HMAC:
+			*algo = EVP_sha224();
+			break;
+		case RTE_CRYPTO_AUTH_SHA256:
+		case RTE_CRYPTO_AUTH_SHA256_HMAC:
+			*algo = EVP_sha256();
+			break;
+		case RTE_CRYPTO_AUTH_SHA384:
+		case RTE_CRYPTO_AUTH_SHA384_HMAC:
+			*algo = EVP_sha384();
+			break;
+		case RTE_CRYPTO_AUTH_SHA512:
+		case RTE_CRYPTO_AUTH_SHA512_HMAC:
+			*algo = EVP_sha512();
+			break;
+		default:
+			res = -EINVAL;
+			break;
+		}
+	} else {
+		res = -EINVAL;
+	}
+
+	return res;
+}
+
+/** Set session cipher parameters */
+static int
+openssl_set_session_cipher_parameters(struct openssl_session *sess,
+		const struct rte_crypto_sym_xform *xform)
+{
+	/* Select cipher direction */
+	sess->cipher.direction = xform->cipher.op;
+	/* Select cipher key */
+	sess->cipher.key.length = xform->cipher.key.length;
+
+	/* Select cipher algo */
+	switch (xform->cipher.algo) {
+	case RTE_CRYPTO_CIPHER_3DES_CBC:
+	case RTE_CRYPTO_CIPHER_AES_CBC:
+	case RTE_CRYPTO_CIPHER_AES_CTR:
+	case RTE_CRYPTO_CIPHER_AES_GCM:
+		sess->cipher.mode = OPENSSL_CIPHER_LIB;
+		sess->cipher.algo = xform->cipher.algo;
+		sess->cipher.ctx = EVP_CIPHER_CTX_new();
+
+		if (get_cipher_algo(sess->cipher.algo, sess->cipher.key.length,
+				&sess->cipher.evp_algo) != 0)
+			return -EINVAL;
+
+		get_cipher_key(xform->cipher.key.data, sess->cipher.key.length,
+			sess->cipher.key.data);
+
+		break;
+
+	case RTE_CRYPTO_CIPHER_3DES_CTR:
+		sess->cipher.mode = OPENSSL_CIPHER_DES3CTR;
+		sess->cipher.ctx = EVP_CIPHER_CTX_new();
+
+		if (get_cipher_key_ede(xform->cipher.key.data,
+				sess->cipher.key.length,
+				sess->cipher.key.data) != 0)
+			return -EINVAL;
+		break;
+
+	default:
+		sess->cipher.algo = RTE_CRYPTO_CIPHER_NULL;
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/* Set session auth parameters */
+static int
+openssl_set_session_auth_parameters(struct openssl_session *sess,
+		const struct rte_crypto_sym_xform *xform)
+{
+	/* Select auth generate/verify */
+	sess->auth.operation = xform->auth.op;
+	sess->auth.algo = xform->auth.algo;
+
+	/* Select auth algo */
+	switch (xform->auth.algo) {
+	case RTE_CRYPTO_AUTH_AES_GMAC:
+	case RTE_CRYPTO_AUTH_AES_GCM:
+		/* Check additional condition for AES_GMAC/GCM */
+		if (sess->cipher.algo != RTE_CRYPTO_CIPHER_AES_GCM)
+			return -EINVAL;
+		sess->chain_order = OPENSSL_CHAIN_COMBINED;
+		break;
+
+	case RTE_CRYPTO_AUTH_MD5:
+	case RTE_CRYPTO_AUTH_SHA1:
+	case RTE_CRYPTO_AUTH_SHA224:
+	case RTE_CRYPTO_AUTH_SHA256:
+	case RTE_CRYPTO_AUTH_SHA384:
+	case RTE_CRYPTO_AUTH_SHA512:
+		sess->auth.mode = OPENSSL_AUTH_AS_AUTH;
+		if (get_auth_algo(xform->auth.algo,
+				&sess->auth.auth.evp_algo) != 0)
+			return -EINVAL;
+		sess->auth.auth.ctx = EVP_MD_CTX_create();
+		break;
+
+	case RTE_CRYPTO_AUTH_MD5_HMAC:
+	case RTE_CRYPTO_AUTH_SHA1_HMAC:
+	case RTE_CRYPTO_AUTH_SHA224_HMAC:
+	case RTE_CRYPTO_AUTH_SHA256_HMAC:
+	case RTE_CRYPTO_AUTH_SHA384_HMAC:
+	case RTE_CRYPTO_AUTH_SHA512_HMAC:
+		sess->auth.mode = OPENSSL_AUTH_AS_HMAC;
+		sess->auth.hmac.ctx = EVP_MD_CTX_create();
+		if (get_auth_algo(xform->auth.algo,
+				&sess->auth.hmac.evp_algo) != 0)
+			return -EINVAL;
+		sess->auth.hmac.pkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL,
+				xform->auth.key.data, xform->auth.key.length);
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/** Parse crypto xform chain and set private session parameters */
+int
+openssl_set_session_parameters(struct openssl_session *sess,
+		const struct rte_crypto_sym_xform *xform)
+{
+	const struct rte_crypto_sym_xform *cipher_xform = NULL;
+	const struct rte_crypto_sym_xform *auth_xform = NULL;
+
+	sess->chain_order = openssl_get_chain_order(xform);
+	switch (sess->chain_order) {
+	case OPENSSL_CHAIN_ONLY_CIPHER:
+		cipher_xform = xform;
+		break;
+	case OPENSSL_CHAIN_ONLY_AUTH:
+		auth_xform = xform;
+		break;
+	case OPENSSL_CHAIN_CIPHER_AUTH:
+		cipher_xform = xform;
+		auth_xform = xform->next;
+		break;
+	case OPENSSL_CHAIN_AUTH_CIPHER:
+		auth_xform = xform;
+		cipher_xform = xform->next;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* cipher_xform must be check before auth_xform */
+	if (cipher_xform) {
+		if (openssl_set_session_cipher_parameters(
+				sess, cipher_xform)) {
+			OPENSSL_LOG_ERR(
+				"Invalid/unsupported cipher parameters");
+			return -EINVAL;
+		}
+	}
+
+	if (auth_xform) {
+		if (openssl_set_session_auth_parameters(sess, auth_xform)) {
+			OPENSSL_LOG_ERR(
+				"Invalid/unsupported auth parameters");
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+/** Reset private session parameters */
+void
+openssl_reset_session(struct openssl_session *sess)
+{
+	EVP_CIPHER_CTX_free(sess->cipher.ctx);
+
+	switch (sess->auth.mode) {
+	case OPENSSL_AUTH_AS_AUTH:
+		EVP_MD_CTX_destroy(sess->auth.auth.ctx);
+		break;
+	case OPENSSL_AUTH_AS_HMAC:
+		EVP_PKEY_free(sess->auth.hmac.pkey);
+		EVP_MD_CTX_destroy(sess->auth.hmac.ctx);
+		break;
+	default:
+		break;
+	}
+}
+
+/** Provide session for operation */
+static struct openssl_session *
+get_session(struct openssl_qp *qp, struct rte_crypto_op *op)
+{
+	struct openssl_session *sess = NULL;
+
+	if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
+		/* get existing session */
+		if (likely(op->sym->session != NULL &&
+				op->sym->session->dev_type ==
+				RTE_CRYPTODEV_OPENSSL_PMD))
+			sess = (struct openssl_session *)
+				op->sym->session->_private;
+	} else  {
+		/* provide internal session */
+		void *_sess = NULL;
+
+		if (!rte_mempool_get(qp->sess_mp, (void **)&_sess)) {
+			sess = (struct openssl_session *)
+				((struct rte_cryptodev_sym_session *)_sess)
+				->_private;
+
+			if (unlikely(openssl_set_session_parameters(
+					sess, op->sym->xform) != 0)) {
+				rte_mempool_put(qp->sess_mp, _sess);
+				sess = NULL;
+			} else
+				op->sym->session = _sess;
+		}
+	}
+
+	if (sess == NULL)
+		op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
+
+	return sess;
+}
+
+/*
+ *------------------------------------------------------------------------------
+ * Process Operations
+ *------------------------------------------------------------------------------
+ */
+
+/** Process standard openssl cipher encryption */
+static int
+process_openssl_cipher_encrypt(uint8_t *src, uint8_t *dst,
+		uint8_t *iv, uint8_t *key, int srclen,
+		EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo)
+{
+	int dstlen, totlen;
+
+	if (EVP_EncryptInit_ex(ctx, algo, NULL, key, iv) <= 0)
+		goto process_cipher_encrypt_err;
+
+	if (EVP_EncryptUpdate(ctx, dst, &dstlen, src, srclen) <= 0)
+		goto process_cipher_encrypt_err;
+
+	if (EVP_EncryptFinal_ex(ctx, dst + dstlen, &totlen) <= 0)
+		goto process_cipher_encrypt_err;
+
+	return 0;
+
+process_cipher_encrypt_err:
+	OPENSSL_LOG_ERR("Process openssl cipher encrypt failed");
+	return -EINVAL;
+}
+
+/** Process standard openssl cipher decryption */
+static int
+process_openssl_cipher_decrypt(uint8_t *src, uint8_t *dst,
+		uint8_t *iv, uint8_t *key, int srclen,
+		EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo)
+{
+	int dstlen, totlen;
+
+	if (EVP_DecryptInit_ex(ctx, algo, NULL, key, iv) <= 0)
+		goto process_cipher_decrypt_err;
+
+	if (EVP_CIPHER_CTX_set_padding(ctx, 0) <= 0)
+		goto process_cipher_decrypt_err;
+
+	if (EVP_DecryptUpdate(ctx, dst, &dstlen, src, srclen) <= 0)
+		goto process_cipher_decrypt_err;
+
+	if (EVP_DecryptFinal_ex(ctx, dst + dstlen, &totlen) <= 0)
+		goto process_cipher_decrypt_err;
+
+	return 0;
+
+process_cipher_decrypt_err:
+	OPENSSL_LOG_ERR("Process openssl cipher decrypt failed");
+	return -EINVAL;
+}
+
+/** Process cipher des 3 ctr encryption, decryption algorithm */
+static int
+process_openssl_cipher_des3ctr(uint8_t *src, uint8_t *dst,
+		uint8_t *iv, uint8_t *key, int srclen, EVP_CIPHER_CTX *ctx)
+{
+	uint8_t ebuf[8], ctr[8];
+	int unused, n;
+
+	/* We use 3DES encryption also for decryption.
+	 * IV is not important for 3DES ecb
+	 */
+	if (EVP_EncryptInit_ex(ctx, EVP_des_ede3_ecb(), NULL, key, NULL) <= 0)
+		goto process_cipher_des3ctr_err;
+
+	memcpy(ctr, iv, 8);
+	n = 0;
+
+	while (n < srclen) {
+		if (n % 8 == 0) {
+			if (EVP_EncryptUpdate(ctx,
+					(unsigned char *)&ebuf, &unused,
+					(const unsigned char *)&ctr, 8) <= 0)
+				goto process_cipher_des3ctr_err;
+			ctr_inc(ctr);
+		}
+		dst[n] = src[n] ^ ebuf[n % 8];
+		n++;
+	}
+
+	return 0;
+
+process_cipher_des3ctr_err:
+	OPENSSL_LOG_ERR("Process openssl cipher des 3 ede ctr failed");
+	return -EINVAL;
+}
+
+/** Process auth/encription aes-gcm algorithm */
+static int
+process_openssl_auth_encryption_gcm(uint8_t *src, int srclen,
+		uint8_t *aad, int aadlen, uint8_t *iv, int ivlen,
+		uint8_t *key, uint8_t *dst,	uint8_t *tag,
+		EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo)
+{
+	int len = 0, unused = 0;
+	uint8_t empty[] = {};
+
+	if (EVP_EncryptInit_ex(ctx, algo, NULL, NULL, NULL) <= 0)
+		goto process_auth_encryption_gcm_err;
+
+	if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, ivlen, NULL) <= 0)
+		goto process_auth_encryption_gcm_err;
+
+	if (EVP_EncryptInit_ex(ctx, NULL, NULL, key, iv) <= 0)
+		goto process_auth_encryption_gcm_err;
+
+	if (aadlen > 0) {
+		if (EVP_EncryptUpdate(ctx, NULL, &len, aad, aadlen) <= 0)
+			goto process_auth_encryption_gcm_err;
+
+		/* Workaround open ssl bug in version less then 1.0.1f */
+		if (EVP_EncryptUpdate(ctx, empty, &unused, empty, 0) <= 0)
+			goto process_auth_encryption_gcm_err;
+	}
+
+	if (srclen > 0)
+		if (EVP_EncryptUpdate(ctx, dst, &len, src, srclen) <= 0)
+			goto process_auth_encryption_gcm_err;
+
+	if (EVP_EncryptFinal_ex(ctx, dst + len, &len) <= 0)
+		goto process_auth_encryption_gcm_err;
+
+	if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, 16, tag) <= 0)
+		goto process_auth_encryption_gcm_err;
+
+	return 0;
+
+process_auth_encryption_gcm_err:
+	OPENSSL_LOG_ERR("Process openssl auth encryption gcm failed");
+	return -EINVAL;
+}
+
+static int
+process_openssl_auth_decryption_gcm(uint8_t *src, int srclen,
+		uint8_t *aad, int aadlen, uint8_t *iv, int ivlen,
+		uint8_t *key, uint8_t *dst, uint8_t *tag,
+		EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo)
+{
+	int len = 0, unused = 0;
+	uint8_t empty[] = {};
+
+	if (EVP_DecryptInit_ex(ctx, algo, NULL, NULL, NULL) <= 0)
+		goto process_auth_decryption_gcm_err;
+
+	if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, ivlen, NULL) <= 0)
+		goto process_auth_decryption_gcm_err;
+
+	if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, 16, tag) <= 0)
+		goto process_auth_decryption_gcm_err;
+
+	if (EVP_DecryptInit_ex(ctx, NULL, NULL, key, iv) <= 0)
+		goto process_auth_decryption_gcm_err;
+
+	if (aadlen > 0) {
+		if (EVP_DecryptUpdate(ctx, NULL, &len, aad, aadlen) <= 0)
+			goto process_auth_decryption_gcm_err;
+
+		/* Workaround open ssl bug in version less then 1.0.1f */
+		if (EVP_DecryptUpdate(ctx, empty, &unused, empty, 0) <= 0)
+			goto process_auth_decryption_gcm_err;
+	}
+
+	if (srclen > 0)
+		if (EVP_DecryptUpdate(ctx, dst, &len, src, srclen) <= 0)
+			goto process_auth_decryption_gcm_err;
+
+	if (EVP_DecryptFinal_ex(ctx, dst + len, &len) <= 0)
+		goto process_auth_decryption_gcm_final_err;
+
+	return 0;
+
+process_auth_decryption_gcm_err:
+	OPENSSL_LOG_ERR("Process openssl auth description gcm failed");
+	return -EINVAL;
+
+process_auth_decryption_gcm_final_err:
+	return -EFAULT;
+}
+
+/** Process standard openssl auth algorithms */
+static int
+process_openssl_auth(uint8_t *src, uint8_t *dst,
+		__rte_unused uint8_t *iv, __rte_unused EVP_PKEY * pkey,
+		int srclen, EVP_MD_CTX *ctx, const EVP_MD *algo)
+{
+	size_t dstlen;
+
+	if (EVP_DigestInit_ex(ctx, algo, NULL) <= 0)
+		goto process_auth_err;
+
+	if (EVP_DigestUpdate(ctx, (char *)src, srclen) <= 0)
+		goto process_auth_err;
+
+	if (EVP_DigestFinal_ex(ctx, dst, (unsigned int *)&dstlen) <= 0)
+		goto process_auth_err;
+
+	return 0;
+
+process_auth_err:
+	OPENSSL_LOG_ERR("Process openssl auth failed");
+	return -EINVAL;
+}
+
+/** Process standard openssl auth algorithms with hmac */
+static int
+process_openssl_auth_hmac(uint8_t *src, uint8_t *dst,
+		__rte_unused uint8_t *iv, EVP_PKEY *pkey,
+		int srclen,	EVP_MD_CTX *ctx, const EVP_MD *algo)
+{
+	size_t dstlen;
+
+	if (EVP_DigestSignInit(ctx, NULL, algo, NULL, pkey) <= 0)
+		goto process_auth_err;
+
+	if (EVP_DigestSignUpdate(ctx, (char *)src, srclen) <= 0)
+		goto process_auth_err;
+
+	if (EVP_DigestSignFinal(ctx, dst, &dstlen) <= 0)
+		goto process_auth_err;
+
+	return 0;
+
+process_auth_err:
+	OPENSSL_LOG_ERR("Process openssl auth failed");
+	return -EINVAL;
+}
+
+/*----------------------------------------------------------------------------*/
+
+/** Process auth/cipher combined operation */
+static void
+process_openssl_combined_op
+		(struct rte_crypto_op *op, struct openssl_session *sess,
+		struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
+{
+	/* cipher */
+	uint8_t *src = NULL, *dst = NULL, *iv, *tag, *aad;
+	int srclen, ivlen, aadlen, status = -1;
+
+	iv = op->sym->cipher.iv.data;
+	ivlen = op->sym->cipher.iv.length;
+	aad = op->sym->auth.aad.data;
+	aadlen = op->sym->auth.aad.length;
+
+	tag = op->sym->auth.digest.data;
+	if (tag == NULL)
+		tag = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
+				op->sym->cipher.data.offset +
+				op->sym->cipher.data.length);
+
+	if (sess->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC)
+		srclen = 0;
+	else {
+		srclen = op->sym->cipher.data.length;
+		src = rte_pktmbuf_mtod_offset(mbuf_src, uint8_t *,
+				op->sym->cipher.data.offset);
+		dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
+				op->sym->cipher.data.offset);
+	}
+
+	if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
+		status = process_openssl_auth_encryption_gcm(
+				src, srclen, aad, aadlen, iv, ivlen,
+				sess->cipher.key.data, dst, tag,
+				sess->cipher.ctx, sess->cipher.evp_algo);
+	else
+		status = process_openssl_auth_decryption_gcm(
+				src, srclen, aad, aadlen, iv, ivlen,
+				sess->cipher.key.data, dst, tag,
+				sess->cipher.ctx, sess->cipher.evp_algo);
+
+	if (status != 0) {
+		if (status == (-EFAULT) &&
+				sess->auth.operation ==
+						RTE_CRYPTO_AUTH_OP_VERIFY)
+			op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
+		else
+			op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+	}
+}
+
+/** Process cipher operation */
+static void
+process_openssl_cipher_op
+		(struct rte_crypto_op *op, struct openssl_session *sess,
+		struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
+{
+	uint8_t *src, *dst, *iv;
+	int srclen, status;
+
+	srclen = op->sym->cipher.data.length;
+	src = rte_pktmbuf_mtod_offset(mbuf_src, uint8_t *,
+			op->sym->cipher.data.offset);
+	dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
+			op->sym->cipher.data.offset);
+
+	iv = op->sym->cipher.iv.data;
+
+	if (sess->cipher.mode == OPENSSL_CIPHER_LIB)
+		if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
+			status = process_openssl_cipher_encrypt(src, dst, iv,
+					sess->cipher.key.data, srclen,
+					sess->cipher.ctx,
+					sess->cipher.evp_algo);
+		else
+			status = process_openssl_cipher_decrypt(src, dst, iv,
+					sess->cipher.key.data, srclen,
+					sess->cipher.ctx,
+					sess->cipher.evp_algo);
+	else
+		status = process_openssl_cipher_des3ctr(src, dst, iv,
+				sess->cipher.key.data, srclen,
+				sess->cipher.ctx);
+
+	if (status != 0)
+		op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+}
+
+/** Process auth operation */
+static void
+process_openssl_auth_op
+		(struct rte_crypto_op *op, struct openssl_session *sess,
+		struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
+{
+	uint8_t *src, *dst;
+	int srclen, status;
+
+	srclen = op->sym->auth.data.length;
+	src = rte_pktmbuf_mtod_offset(mbuf_src, uint8_t *,
+			op->sym->auth.data.offset);
+
+	if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY)
+		dst = (uint8_t *)rte_pktmbuf_append(mbuf_src,
+				op->sym->auth.digest.length);
+	else {
+		dst = op->sym->auth.digest.data;
+		if (dst == NULL)
+			dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
+					op->sym->auth.data.offset +
+					op->sym->auth.data.length);
+	}
+
+	switch (sess->auth.mode) {
+	case OPENSSL_AUTH_AS_AUTH:
+		status = process_openssl_auth(src, dst,
+				NULL, NULL,	srclen,
+				sess->auth.auth.ctx, sess->auth.auth.evp_algo);
+		break;
+	case OPENSSL_AUTH_AS_HMAC:
+		status = process_openssl_auth_hmac(src, dst,
+				NULL, sess->auth.hmac.pkey, srclen,
+				sess->auth.hmac.ctx, sess->auth.hmac.evp_algo);
+		break;
+	default:
+		status = -1;
+		break;
+	}
+
+	if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) {
+		if (memcmp(dst, op->sym->auth.digest.data,
+				op->sym->auth.digest.length) != 0) {
+			op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
+		}
+		/* Trim area used for digest from mbuf. */
+		rte_pktmbuf_trim(mbuf_src,
+				op->sym->auth.digest.length);
+	}
+
+	if (status != 0)
+		op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+}
+
+/** Process crypto operation for mbuf */
+static int
+process_op(const struct openssl_qp *qp, struct rte_crypto_op *op,
+		struct openssl_session *sess)
+{
+	struct rte_mbuf *msrc, *mdst;
+	int retval;
+
+	msrc = op->sym->m_src;
+	mdst = op->sym->m_dst ? op->sym->m_dst : op->sym->m_src;
+
+	op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+
+	switch (sess->chain_order) {
+	case OPENSSL_CHAIN_ONLY_CIPHER:
+		process_openssl_cipher_op(op, sess, msrc, mdst);
+		break;
+	case OPENSSL_CHAIN_ONLY_AUTH:
+		process_openssl_auth_op(op, sess, msrc, mdst);
+		break;
+	case OPENSSL_CHAIN_CIPHER_AUTH:
+		process_openssl_cipher_op(op, sess, msrc, mdst);
+		process_openssl_auth_op(op, sess, mdst, mdst);
+		break;
+	case OPENSSL_CHAIN_AUTH_CIPHER:
+		process_openssl_auth_op(op, sess, msrc, mdst);
+		process_openssl_cipher_op(op, sess, msrc, mdst);
+		break;
+	case OPENSSL_CHAIN_COMBINED:
+		process_openssl_combined_op(op, sess, msrc, mdst);
+		break;
+	default:
+		op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+		break;
+	}
+
+	/* Free session if a session-less crypto op */
+	if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
+		openssl_reset_session(sess);
+		memset(sess, 0, sizeof(struct openssl_session));
+		rte_mempool_put(qp->sess_mp, op->sym->session);
+		op->sym->session = NULL;
+	}
+
+
+	if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
+		op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+
+	if (op->status != RTE_CRYPTO_OP_STATUS_ERROR)
+		retval = rte_ring_enqueue(qp->processed_ops, (void *)op);
+	else
+		retval = -1;
+
+	return retval;
+}
+
+/*
+ *------------------------------------------------------------------------------
+ * PMD Framework
+ *------------------------------------------------------------------------------
+ */
+
+/** Enqueue burst */
+static uint16_t
+openssl_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
+		uint16_t nb_ops)
+{
+	struct openssl_session *sess;
+	struct openssl_qp *qp = queue_pair;
+	int i, retval;
+
+	for (i = 0; i < nb_ops; i++) {
+		sess = get_session(qp, ops[i]);
+		if (unlikely(sess == NULL))
+			goto enqueue_err;
+
+		retval = process_op(qp, ops[i], sess);
+		if (unlikely(retval < 0))
+			goto enqueue_err;
+	}
+
+	qp->stats.enqueued_count += i;
+	return i;
+
+enqueue_err:
+	qp->stats.enqueue_err_count++;
+	return i;
+}
+
+/** Dequeue burst */
+static uint16_t
+openssl_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
+		uint16_t nb_ops)
+{
+	struct openssl_qp *qp = queue_pair;
+
+	unsigned int nb_dequeued = 0;
+
+	nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
+			(void **)ops, nb_ops);
+	qp->stats.dequeued_count += nb_dequeued;
+
+	return nb_dequeued;
+}
+
+/** Create OPENSSL crypto device */
+static int
+cryptodev_openssl_create(const char *name,
+		struct rte_crypto_vdev_init_params *init_params)
+{
+	struct rte_cryptodev *dev;
+	char crypto_dev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
+	struct openssl_private *internals;
+
+	/* create a unique device name */
+	if (create_unique_device_name(crypto_dev_name,
+			RTE_CRYPTODEV_NAME_MAX_LEN) != 0) {
+		OPENSSL_LOG_ERR("failed to create unique cryptodev name");
+		return -EINVAL;
+	}
+
+	dev = rte_cryptodev_pmd_virtual_dev_init(crypto_dev_name,
+			sizeof(struct openssl_private),
+			init_params->socket_id);
+	if (dev == NULL) {
+		OPENSSL_LOG_ERR("failed to create cryptodev vdev");
+		goto init_error;
+	}
+
+	dev->dev_type = RTE_CRYPTODEV_OPENSSL_PMD;
+	dev->dev_ops = rte_openssl_pmd_ops;
+
+	/* register rx/tx burst functions for data path */
+	dev->dequeue_burst = openssl_pmd_dequeue_burst;
+	dev->enqueue_burst = openssl_pmd_enqueue_burst;
+
+	dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
+			RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
+			RTE_CRYPTODEV_FF_CPU_AESNI;
+
+	/* Set vector instructions mode supported */
+	internals = dev->data->dev_private;
+
+	internals->max_nb_qpairs = init_params->max_nb_queue_pairs;
+	internals->max_nb_sessions = init_params->max_nb_sessions;
+
+	return 0;
+
+init_error:
+	OPENSSL_LOG_ERR("driver %s: cryptodev_openssl_create failed", name);
+
+	cryptodev_openssl_remove(crypto_dev_name);
+	return -EFAULT;
+}
+
+/** Initialise OPENSSL crypto device */
+static int
+cryptodev_openssl_probe(const char *name,
+		const char *input_args)
+{
+	struct rte_crypto_vdev_init_params init_params = {
+		RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
+		RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
+		rte_socket_id()
+	};
+
+	rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
+
+	RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
+			init_params.socket_id);
+	RTE_LOG(INFO, PMD, "  Max number of queue pairs = %d\n",
+			init_params.max_nb_queue_pairs);
+	RTE_LOG(INFO, PMD, "  Max number of sessions = %d\n",
+			init_params.max_nb_sessions);
+
+	return cryptodev_openssl_create(name, &init_params);
+}
+
+/** Uninitialise OPENSSL crypto device */
+static int
+cryptodev_openssl_remove(const char *name)
+{
+	if (name == NULL)
+		return -EINVAL;
+
+	RTE_LOG(INFO, PMD,
+		"Closing OPENSSL crypto device %s on numa socket %u\n",
+		name, rte_socket_id());
+
+	return 0;
+}
+
+static struct rte_vdev_driver cryptodev_openssl_pmd_drv = {
+	.probe = cryptodev_openssl_probe,
+	.remove = cryptodev_openssl_remove
+};
+
+RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_OPENSSL_PMD,
+	cryptodev_openssl_pmd_drv);
+RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_OPENSSL_PMD,
+	"max_nb_queue_pairs=<int> "
+	"max_nb_sessions=<int> "
+	"socket_id=<int>");