[ceph.git] / ceph / src / seastar / dpdk / drivers / crypto / snow3g / rte_snow3g_pmd.c

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2016-2018 Intel Corporation
 */

#include <rte_common.h>
#include <rte_hexdump.h>
#include <rte_cryptodev.h>
#include <rte_cryptodev_pmd.h>
#include <rte_bus_vdev.h>
#include <rte_malloc.h>
#include <rte_cpuflags.h>

#include "rte_snow3g_pmd_private.h"

#define SNOW3G_IV_LENGTH 16
#define SNOW3G_MAX_BURST 8
#define BYTE_LEN 8

static uint8_t cryptodev_driver_id;

/** Get xform chain order. */
static enum snow3g_operation
snow3g_get_mode(const struct rte_crypto_sym_xform *xform)
{
	if (xform == NULL)
		return SNOW3G_OP_NOT_SUPPORTED;

	if (xform->next)
		if (xform->next->next != NULL)
			return SNOW3G_OP_NOT_SUPPORTED;

	if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
		if (xform->next == NULL)
			return SNOW3G_OP_ONLY_AUTH;
		else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
			return SNOW3G_OP_AUTH_CIPHER;
		else
			return SNOW3G_OP_NOT_SUPPORTED;
	}

	if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
		if (xform->next == NULL)
			return SNOW3G_OP_ONLY_CIPHER;
		else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
			return SNOW3G_OP_CIPHER_AUTH;
		else
			return SNOW3G_OP_NOT_SUPPORTED;
	}

	return SNOW3G_OP_NOT_SUPPORTED;
}


/** Parse crypto xform chain and set private session parameters. */
int
snow3g_set_session_parameters(struct snow3g_session *sess,
		const struct rte_crypto_sym_xform *xform)
{
	const struct rte_crypto_sym_xform *auth_xform = NULL;
	const struct rte_crypto_sym_xform *cipher_xform = NULL;
	enum snow3g_operation mode;

	/* Select Crypto operation - hash then cipher / cipher then hash */
	mode = snow3g_get_mode(xform);

	switch (mode) {
	case SNOW3G_OP_CIPHER_AUTH:
		auth_xform = xform->next;

		/* Fall-through */
	case SNOW3G_OP_ONLY_CIPHER:
		cipher_xform = xform;
		break;
	case SNOW3G_OP_AUTH_CIPHER:
		cipher_xform = xform->next;
		/* Fall-through */
	case SNOW3G_OP_ONLY_AUTH:
		auth_xform = xform;
		break;
	case SNOW3G_OP_NOT_SUPPORTED:
	default:
		SNOW3G_LOG(ERR, "Unsupported operation chain order parameter");
		return -ENOTSUP;
	}

	if (cipher_xform) {
		/* Only SNOW 3G UEA2 supported */
		if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_SNOW3G_UEA2)
			return -ENOTSUP;

		if (cipher_xform->cipher.iv.length != SNOW3G_IV_LENGTH) {
			SNOW3G_LOG(ERR, "Wrong IV length");
			return -EINVAL;
		}
		sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;

		/* Initialize key */
		sso_snow3g_init_key_sched(cipher_xform->cipher.key.data,
				&sess->pKeySched_cipher);
	}

	if (auth_xform) {
		/* Only SNOW 3G UIA2 supported */
		if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_SNOW3G_UIA2)
			return -ENOTSUP;

		if (auth_xform->auth.digest_length != SNOW3G_DIGEST_LENGTH) {
			SNOW3G_LOG(ERR, "Wrong digest length");
			return -EINVAL;
		}

		sess->auth_op = auth_xform->auth.op;

		if (auth_xform->auth.iv.length != SNOW3G_IV_LENGTH) {
			SNOW3G_LOG(ERR, "Wrong IV length");
			return -EINVAL;
		}
		sess->auth_iv_offset = auth_xform->auth.iv.offset;

		/* Initialize key */
		sso_snow3g_init_key_sched(auth_xform->auth.key.data,
				&sess->pKeySched_hash);
	}


	sess->op = mode;

	return 0;
}

/** Get SNOW 3G session. */
static struct snow3g_session *
snow3g_get_session(struct snow3g_qp *qp, struct rte_crypto_op *op)
{
	struct snow3g_session *sess = NULL;

	if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
		if (likely(op->sym->session != NULL))
			sess = (struct snow3g_session *)
					get_sym_session_private_data(
					op->sym->session,
					cryptodev_driver_id);
	} else {
		void *_sess = NULL;
		void *_sess_private_data = NULL;

		if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
			return NULL;

		if (rte_mempool_get(qp->sess_mp_priv,
				(void **)&_sess_private_data))
			return NULL;

		sess = (struct snow3g_session *)_sess_private_data;

		if (unlikely(snow3g_set_session_parameters(sess,
				op->sym->xform) != 0)) {
			rte_mempool_put(qp->sess_mp, _sess);
			rte_mempool_put(qp->sess_mp_priv, _sess_private_data);
			sess = NULL;
		}
		op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
		set_sym_session_private_data(op->sym->session,
				cryptodev_driver_id, _sess_private_data);
	}

	if (unlikely(sess == NULL))
		op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;


	return sess;
}

/** Encrypt/decrypt mbufs with same cipher key. */
static uint8_t
process_snow3g_cipher_op(struct rte_crypto_op **ops,
		struct snow3g_session *session,
		uint8_t num_ops)
{
	unsigned i;
	uint8_t processed_ops = 0;
	uint8_t *src[SNOW3G_MAX_BURST], *dst[SNOW3G_MAX_BURST];
	uint8_t *iv[SNOW3G_MAX_BURST];
	uint32_t num_bytes[SNOW3G_MAX_BURST];

	for (i = 0; i < num_ops; i++) {
		src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
				(ops[i]->sym->cipher.data.offset >> 3);
		dst[i] = ops[i]->sym->m_dst ?
			rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
				(ops[i]->sym->cipher.data.offset >> 3) :
			rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
				(ops[i]->sym->cipher.data.offset >> 3);
		iv[i] = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
				session->cipher_iv_offset);
		num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;

		processed_ops++;
	}

	sso_snow3g_f8_n_buffer(&session->pKeySched_cipher, iv, src, dst,
			num_bytes, processed_ops);

	return processed_ops;
}

/** Encrypt/decrypt mbuf (bit level function). */
static uint8_t
process_snow3g_cipher_op_bit(struct rte_crypto_op *op,
		struct snow3g_session *session)
{
	uint8_t *src, *dst;
	uint8_t *iv;
	uint32_t length_in_bits, offset_in_bits;

	offset_in_bits = op->sym->cipher.data.offset;
	src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
	if (op->sym->m_dst == NULL) {
		op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
		SNOW3G_LOG(ERR, "bit-level in-place not supported\n");
		return 0;
	}
	dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
	iv = rte_crypto_op_ctod_offset(op, uint8_t *,
				session->cipher_iv_offset);
	length_in_bits = op->sym->cipher.data.length;

	sso_snow3g_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
			src, dst, length_in_bits, offset_in_bits);

	return 1;
}

/** Generate/verify hash from mbufs with same hash key. */
static int
process_snow3g_hash_op(struct snow3g_qp *qp, struct rte_crypto_op **ops,
		struct snow3g_session *session,
		uint8_t num_ops)
{
	unsigned i;
	uint8_t processed_ops = 0;
	uint8_t *src, *dst;
	uint32_t length_in_bits;
	uint8_t *iv;

	for (i = 0; i < num_ops; i++) {
		/* Data must be byte aligned */
		if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
			ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
			SNOW3G_LOG(ERR, "Offset");
			break;
		}

		length_in_bits = ops[i]->sym->auth.data.length;

		src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
				(ops[i]->sym->auth.data.offset >> 3);
		iv = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
				session->auth_iv_offset);

		if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
			dst = qp->temp_digest;

			sso_snow3g_f9_1_buffer(&session->pKeySched_hash,
					iv, src,
					length_in_bits,	dst);
			/* Verify digest. */
			if (memcmp(dst, ops[i]->sym->auth.digest.data,
					SNOW3G_DIGEST_LENGTH) != 0)
				ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
		} else  {
			dst = ops[i]->sym->auth.digest.data;

			sso_snow3g_f9_1_buffer(&session->pKeySched_hash,
					iv, src,
					length_in_bits, dst);
		}
		processed_ops++;
	}

	return processed_ops;
}

/** Process a batch of crypto ops which shares the same session. */
static int
process_ops(struct rte_crypto_op **ops, struct snow3g_session *session,
		struct snow3g_qp *qp, uint8_t num_ops,
		uint16_t *accumulated_enqueued_ops)
{
	unsigned i;
	unsigned enqueued_ops, processed_ops;

#ifdef RTE_LIBRTE_PMD_SNOW3G_DEBUG
	for (i = 0; i < num_ops; i++) {
		if (!rte_pktmbuf_is_contiguous(ops[i]->sym->m_src) ||
				(ops[i]->sym->m_dst != NULL &&
				!rte_pktmbuf_is_contiguous(
						ops[i]->sym->m_dst))) {
			SNOW3G_LOG(ERR, "PMD supports only contiguous mbufs, "
				"op (%p) provides noncontiguous mbuf as "
				"source/destination buffer.\n", ops[i]);
			ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
			return 0;
		}
	}
#endif

	switch (session->op) {
	case SNOW3G_OP_ONLY_CIPHER:
		processed_ops = process_snow3g_cipher_op(ops,
				session, num_ops);
		break;
	case SNOW3G_OP_ONLY_AUTH:
		processed_ops = process_snow3g_hash_op(qp, ops, session,
				num_ops);
		break;
	case SNOW3G_OP_CIPHER_AUTH:
		processed_ops = process_snow3g_cipher_op(ops, session,
				num_ops);
		process_snow3g_hash_op(qp, ops, session, processed_ops);
		break;
	case SNOW3G_OP_AUTH_CIPHER:
		processed_ops = process_snow3g_hash_op(qp, ops, session,
				num_ops);
		process_snow3g_cipher_op(ops, session, processed_ops);
		break;
	default:
		/* Operation not supported. */
		processed_ops = 0;
	}

	for (i = 0; i < num_ops; i++) {
		/*
		 * If there was no error/authentication failure,
		 * change status to successful.
		 */
		if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
			ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
		/* Free session if a session-less crypto op. */
		if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
			memset(session, 0, sizeof(struct snow3g_session));
			memset(ops[i]->sym->session, 0,
			rte_cryptodev_sym_get_existing_header_session_size(
					ops[i]->sym->session));
			rte_mempool_put(qp->sess_mp_priv, session);
			rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
			ops[i]->sym->session = NULL;
		}
	}

	enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
			(void **)ops, processed_ops, NULL);
	qp->qp_stats.enqueued_count += enqueued_ops;
	*accumulated_enqueued_ops += enqueued_ops;

	return enqueued_ops;
}

/** Process a crypto op with length/offset in bits. */
static int
process_op_bit(struct rte_crypto_op *op, struct snow3g_session *session,
		struct snow3g_qp *qp, uint16_t *accumulated_enqueued_ops)
{
	unsigned enqueued_op, processed_op;

	switch (session->op) {
	case SNOW3G_OP_ONLY_CIPHER:
		processed_op = process_snow3g_cipher_op_bit(op,
				session);
		break;
	case SNOW3G_OP_ONLY_AUTH:
		processed_op = process_snow3g_hash_op(qp, &op, session, 1);
		break;
	case SNOW3G_OP_CIPHER_AUTH:
		processed_op = process_snow3g_cipher_op_bit(op, session);
		if (processed_op == 1)
			process_snow3g_hash_op(qp, &op, session, 1);
		break;
	case SNOW3G_OP_AUTH_CIPHER:
		processed_op = process_snow3g_hash_op(qp, &op, session, 1);
		if (processed_op == 1)
			process_snow3g_cipher_op_bit(op, session);
		break;
	default:
		/* Operation not supported. */
		processed_op = 0;
	}

	/*
	 * If there was no error/authentication failure,
	 * change status to successful.
	 */
	if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
		op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;

	/* Free session if a session-less crypto op. */
	if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
		memset(op->sym->session, 0, sizeof(struct snow3g_session));
		rte_cryptodev_sym_session_free(op->sym->session);
		op->sym->session = NULL;
	}

	enqueued_op = rte_ring_enqueue_burst(qp->processed_ops,
			(void **)&op, processed_op, NULL);
	qp->qp_stats.enqueued_count += enqueued_op;
	*accumulated_enqueued_ops += enqueued_op;

	return enqueued_op;
}

static uint16_t
snow3g_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
		uint16_t nb_ops)
{
	struct rte_crypto_op *c_ops[SNOW3G_MAX_BURST];
	struct rte_crypto_op *curr_c_op;

	struct snow3g_session *prev_sess = NULL, *curr_sess = NULL;
	struct snow3g_qp *qp = queue_pair;
	unsigned i;
	uint8_t burst_size = 0;
	uint16_t enqueued_ops = 0;
	uint8_t processed_ops;

	for (i = 0; i < nb_ops; i++) {
		curr_c_op = ops[i];

		/* Set status as enqueued (not processed yet) by default. */
		curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;

		curr_sess = snow3g_get_session(qp, curr_c_op);
		if (unlikely(curr_sess == NULL ||
				curr_sess->op == SNOW3G_OP_NOT_SUPPORTED)) {
			curr_c_op->status =
					RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
			break;
		}

		/* If length/offset is at bit-level, process this buffer alone. */
		if (((curr_c_op->sym->cipher.data.length % BYTE_LEN) != 0)
				|| ((curr_c_op->sym->cipher.data.offset
					% BYTE_LEN) != 0)) {
			/* Process the ops of the previous session. */
			if (prev_sess != NULL) {
				processed_ops = process_ops(c_ops, prev_sess,
				qp, burst_size, &enqueued_ops);
				if (processed_ops < burst_size) {
					burst_size = 0;
					break;
				}

				burst_size = 0;
				prev_sess = NULL;
			}

			processed_ops = process_op_bit(curr_c_op, curr_sess,
							qp, &enqueued_ops);
			if (processed_ops != 1)
				break;

			continue;
		}

		/* Batch ops that share the same session. */
		if (prev_sess == NULL) {
			prev_sess = curr_sess;
			c_ops[burst_size++] = curr_c_op;
		} else if (curr_sess == prev_sess) {
			c_ops[burst_size++] = curr_c_op;
			/*
			 * When there are enough ops to process in a batch,
			 * process them, and start a new batch.
			 */
			if (burst_size == SNOW3G_MAX_BURST) {
				processed_ops = process_ops(c_ops, prev_sess,
						qp, burst_size, &enqueued_ops);
				if (processed_ops < burst_size) {
					burst_size = 0;
					break;
				}

				burst_size = 0;
				prev_sess = NULL;
			}
		} else {
			/*
			 * Different session, process the ops
			 * of the previous session.
			 */
			processed_ops = process_ops(c_ops, prev_sess,
					qp, burst_size, &enqueued_ops);
			if (processed_ops < burst_size) {
				burst_size = 0;
				break;
			}

			burst_size = 0;
			prev_sess = curr_sess;

			c_ops[burst_size++] = curr_c_op;
		}
	}

	if (burst_size != 0) {
		/* Process the crypto ops of the last session. */
		processed_ops = process_ops(c_ops, prev_sess,
				qp, burst_size, &enqueued_ops);
	}

	qp->qp_stats.enqueue_err_count += nb_ops - enqueued_ops;
	return enqueued_ops;
}

static uint16_t
snow3g_pmd_dequeue_burst(void *queue_pair,
		struct rte_crypto_op **c_ops, uint16_t nb_ops)
{
	struct snow3g_qp *qp = queue_pair;

	unsigned nb_dequeued;

	nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
			(void **)c_ops, nb_ops, NULL);
	qp->qp_stats.dequeued_count += nb_dequeued;

	return nb_dequeued;
}

static int cryptodev_snow3g_remove(struct rte_vdev_device *vdev);

static int
cryptodev_snow3g_create(const char *name,
			struct rte_vdev_device *vdev,
			struct rte_cryptodev_pmd_init_params *init_params)
{
	struct rte_cryptodev *dev;
	struct snow3g_private *internals;
	uint64_t cpu_flags = RTE_CRYPTODEV_FF_CPU_SSE;

	dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
	if (dev == NULL) {
		SNOW3G_LOG(ERR, "failed to create cryptodev vdev");
		goto init_error;
	}

	dev->driver_id = cryptodev_driver_id;
	dev->dev_ops = rte_snow3g_pmd_ops;

	/* Register RX/TX burst functions for data path. */
	dev->dequeue_burst = snow3g_pmd_dequeue_burst;
	dev->enqueue_burst = snow3g_pmd_enqueue_burst;

	dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
			RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
			cpu_flags;

	internals = dev->data->dev_private;

	internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;

	return 0;
init_error:
	SNOW3G_LOG(ERR, "driver %s: cryptodev_snow3g_create failed",
			init_params->name);

	cryptodev_snow3g_remove(vdev);
	return -EFAULT;
}

static int
cryptodev_snow3g_probe(struct rte_vdev_device *vdev)
{
	struct rte_cryptodev_pmd_init_params init_params = {
		"",
		sizeof(struct snow3g_private),
		rte_socket_id(),
		RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
	};
	const char *name;
	const char *input_args;

	name = rte_vdev_device_name(vdev);
	if (name == NULL)
		return -EINVAL;
	input_args = rte_vdev_device_args(vdev);

	rte_cryptodev_pmd_parse_input_args(&init_params, input_args);

	return cryptodev_snow3g_create(name, vdev, &init_params);
}

static int
cryptodev_snow3g_remove(struct rte_vdev_device *vdev)
{
	struct rte_cryptodev *cryptodev;
	const char *name;

	name = rte_vdev_device_name(vdev);
	if (name == NULL)
		return -EINVAL;

	cryptodev = rte_cryptodev_pmd_get_named_dev(name);
	if (cryptodev == NULL)
		return -ENODEV;

	return rte_cryptodev_pmd_destroy(cryptodev);
}

static struct rte_vdev_driver cryptodev_snow3g_pmd_drv = {
	.probe = cryptodev_snow3g_probe,
	.remove = cryptodev_snow3g_remove
};

static struct cryptodev_driver snow3g_crypto_drv;

RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_SNOW3G_PMD, cryptodev_snow3g_pmd_drv);
RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_SNOW3G_PMD, cryptodev_snow3g_pmd);
RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_SNOW3G_PMD,
	"max_nb_queue_pairs=<int> "
	"socket_id=<int>");
RTE_PMD_REGISTER_CRYPTO_DRIVER(snow3g_crypto_drv,
		cryptodev_snow3g_pmd_drv.driver, cryptodev_driver_id);

RTE_INIT(snow3g_init_log)
{
	snow3g_logtype_driver = rte_log_register("pmd.crypto.snow3g");
}
Commit	Line	Data
9f95a23c TL	1	/* SPDX-License-Identifier: BSD-3-Clause
9f95a23c TL	2	* Copyright(c) 2016-2018 Intel Corporation
7c673cae FG	3	*/
	4
	5	#include <rte_common.h>
7c673cae FG	6	#include <rte_hexdump.h>
	7	#include <rte_cryptodev.h>
	8	#include <rte_cryptodev_pmd.h>
9f95a23c	9	#include <rte_bus_vdev.h>
7c673cae FG	10	#include <rte_malloc.h>
	11	#include <rte_cpuflags.h>
	12
	13	#include "rte_snow3g_pmd_private.h"
	14
	15	#define SNOW3G_IV_LENGTH 16
7c673cae FG	16	#define SNOW3G_MAX_BURST 8
	17	#define BYTE_LEN 8
	18
9f95a23c TL	19	static uint8_t cryptodev_driver_id;
9f95a23c TL	20
7c673cae FG	21	/** Get xform chain order. */
	22	static enum snow3g_operation
	23	snow3g_get_mode(const struct rte_crypto_sym_xform *xform)
	24	{
	25	if (xform == NULL)
	26	return SNOW3G_OP_NOT_SUPPORTED;
	27
	28	if (xform->next)
	29	if (xform->next->next != NULL)
	30	return SNOW3G_OP_NOT_SUPPORTED;
	31
	32	if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
	33	if (xform->next == NULL)
	34	return SNOW3G_OP_ONLY_AUTH;
	35	else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
	36	return SNOW3G_OP_AUTH_CIPHER;
	37	else
	38	return SNOW3G_OP_NOT_SUPPORTED;
	39	}
	40
	41	if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
	42	if (xform->next == NULL)
	43	return SNOW3G_OP_ONLY_CIPHER;
	44	else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
	45	return SNOW3G_OP_CIPHER_AUTH;
	46	else
	47	return SNOW3G_OP_NOT_SUPPORTED;
	48	}
	49
	50	return SNOW3G_OP_NOT_SUPPORTED;
	51	}
	52
	53
	54	/** Parse crypto xform chain and set private session parameters. */
	55	int
	56	snow3g_set_session_parameters(struct snow3g_session *sess,
	57	const struct rte_crypto_sym_xform *xform)
	58	{
	59	const struct rte_crypto_sym_xform *auth_xform = NULL;
	60	const struct rte_crypto_sym_xform *cipher_xform = NULL;
	61	enum snow3g_operation mode;
	62
	63	/* Select Crypto operation - hash then cipher / cipher then hash */
	64	mode = snow3g_get_mode(xform);
	65
	66	switch (mode) {
	67	case SNOW3G_OP_CIPHER_AUTH:
	68	auth_xform = xform->next;
	69
	70	/* Fall-through */
	71	case SNOW3G_OP_ONLY_CIPHER:
	72	cipher_xform = xform;
	73	break;
	74	case SNOW3G_OP_AUTH_CIPHER:
	75	cipher_xform = xform->next;
	76	/* Fall-through */
	77	case SNOW3G_OP_ONLY_AUTH:
	78	auth_xform = xform;
	79	break;
	80	case SNOW3G_OP_NOT_SUPPORTED:
	81	default:
9f95a23c TL	82	SNOW3G_LOG(ERR, "Unsupported operation chain order parameter");
9f95a23c TL	83	return -ENOTSUP;
7c673cae FG	84	}
	85
	86	if (cipher_xform) {
	87	/* Only SNOW 3G UEA2 supported */
	88	if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_SNOW3G_UEA2)
9f95a23c TL	89	return -ENOTSUP;
	90
	91	if (cipher_xform->cipher.iv.length != SNOW3G_IV_LENGTH) {
	92	SNOW3G_LOG(ERR, "Wrong IV length");
7c673cae	93	return -EINVAL;
9f95a23c TL	94	}
	95	sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;
	96
7c673cae	97	/* Initialize key */
11fdf7f2	98	sso_snow3g_init_key_sched(cipher_xform->cipher.key.data,
7c673cae FG	99	&sess->pKeySched_cipher);
	100	}
	101
	102	if (auth_xform) {
	103	/* Only SNOW 3G UIA2 supported */
	104	if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_SNOW3G_UIA2)
9f95a23c TL	105	return -ENOTSUP;
	106
	107	if (auth_xform->auth.digest_length != SNOW3G_DIGEST_LENGTH) {
	108	SNOW3G_LOG(ERR, "Wrong digest length");
7c673cae	109	return -EINVAL;
9f95a23c TL	110	}
9f95a23c TL	111
7c673cae	112	sess->auth_op = auth_xform->auth.op;
9f95a23c TL	113
	114	if (auth_xform->auth.iv.length != SNOW3G_IV_LENGTH) {
	115	SNOW3G_LOG(ERR, "Wrong IV length");
	116	return -EINVAL;
	117	}
	118	sess->auth_iv_offset = auth_xform->auth.iv.offset;
	119
7c673cae	120	/* Initialize key */
11fdf7f2	121	sso_snow3g_init_key_sched(auth_xform->auth.key.data,
7c673cae FG	122	&sess->pKeySched_hash);
	123	}
	124
	125
	126	sess->op = mode;
	127
	128	return 0;
	129	}
	130
	131	/** Get SNOW 3G session. */
	132	static struct snow3g_session *
	133	snow3g_get_session(struct snow3g_qp qp, struct rte_crypto_op op)
	134	{
9f95a23c TL	135	struct snow3g_session *sess = NULL;
	136
	137	if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
	138	if (likely(op->sym->session != NULL))
	139	sess = (struct snow3g_session *)
	140	get_sym_session_private_data(
	141	op->sym->session,
	142	cryptodev_driver_id);
	143	} else {
	144	void *_sess = NULL;
	145	void *_sess_private_data = NULL;
	146
	147	if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
7c673cae FG	148	return NULL;
7c673cae FG	149
9f95a23c TL	150	if (rte_mempool_get(qp->sess_mp_priv,
9f95a23c TL	151	(void **)&_sess_private_data))
7c673cae FG	152	return NULL;
7c673cae FG	153
9f95a23c	154	sess = (struct snow3g_session *)_sess_private_data;
7c673cae FG	155
7c673cae FG	156	if (unlikely(snow3g_set_session_parameters(sess,
9f95a23c TL	157	op->sym->xform) != 0)) {
	158	rte_mempool_put(qp->sess_mp, _sess);
	159	rte_mempool_put(qp->sess_mp_priv, _sess_private_data);
	160	sess = NULL;
	161	}
	162	op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
	163	set_sym_session_private_data(op->sym->session,
	164	cryptodev_driver_id, _sess_private_data);
7c673cae FG	165	}
7c673cae FG	166
9f95a23c TL	167	if (unlikely(sess == NULL))
	168	op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
	169
	170
7c673cae FG	171	return sess;
	172	}
	173
	174	/** Encrypt/decrypt mbufs with same cipher key. */
	175	static uint8_t
	176	process_snow3g_cipher_op(struct rte_crypto_op **ops,
	177	struct snow3g_session *session,
	178	uint8_t num_ops)
	179	{
	180	unsigned i;
	181	uint8_t processed_ops = 0;
	182	uint8_t src[SNOW3G_MAX_BURST], dst[SNOW3G_MAX_BURST];
9f95a23c	183	uint8_t *iv[SNOW3G_MAX_BURST];
7c673cae FG	184	uint32_t num_bytes[SNOW3G_MAX_BURST];
	185
	186	for (i = 0; i < num_ops; i++) {
7c673cae FG	187	src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
	188	(ops[i]->sym->cipher.data.offset >> 3);
	189	dst[i] = ops[i]->sym->m_dst ?
	190	rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
	191	(ops[i]->sym->cipher.data.offset >> 3) :
	192	rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
	193	(ops[i]->sym->cipher.data.offset >> 3);
9f95a23c TL	194	iv[i] = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
9f95a23c TL	195	session->cipher_iv_offset);
7c673cae FG	196	num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
	197
	198	processed_ops++;
	199	}
	200
9f95a23c	201	sso_snow3g_f8_n_buffer(&session->pKeySched_cipher, iv, src, dst,
7c673cae FG	202	num_bytes, processed_ops);
	203
	204	return processed_ops;
	205	}
	206
	207	/** Encrypt/decrypt mbuf (bit level function). */
	208	static uint8_t
	209	process_snow3g_cipher_op_bit(struct rte_crypto_op *op,
	210	struct snow3g_session *session)
	211	{
	212	uint8_t src, dst;
9f95a23c	213	uint8_t *iv;
7c673cae FG	214	uint32_t length_in_bits, offset_in_bits;
7c673cae FG	215
7c673cae FG	216	offset_in_bits = op->sym->cipher.data.offset;
	217	src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
	218	if (op->sym->m_dst == NULL) {
	219	op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
9f95a23c	220	SNOW3G_LOG(ERR, "bit-level in-place not supported\n");
7c673cae FG	221	return 0;
	222	}
	223	dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
9f95a23c TL	224	iv = rte_crypto_op_ctod_offset(op, uint8_t *,
9f95a23c TL	225	session->cipher_iv_offset);
7c673cae FG	226	length_in_bits = op->sym->cipher.data.length;
7c673cae FG	227
9f95a23c	228	sso_snow3g_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
7c673cae FG	229	src, dst, length_in_bits, offset_in_bits);
	230
	231	return 1;
	232	}
	233
	234	/** Generate/verify hash from mbufs with same hash key. */
	235	static int
9f95a23c	236	process_snow3g_hash_op(struct snow3g_qp qp, struct rte_crypto_op *ops,
7c673cae FG	237	struct snow3g_session *session,
	238	uint8_t num_ops)
	239	{
	240	unsigned i;
	241	uint8_t processed_ops = 0;
	242	uint8_t src, dst;
	243	uint32_t length_in_bits;
9f95a23c	244	uint8_t *iv;
7c673cae FG	245
7c673cae FG	246	for (i = 0; i < num_ops; i++) {
7c673cae FG	247	/* Data must be byte aligned */
	248	if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
	249	ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
9f95a23c	250	SNOW3G_LOG(ERR, "Offset");
7c673cae FG	251	break;
	252	}
	253
	254	length_in_bits = ops[i]->sym->auth.data.length;
	255
	256	src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
	257	(ops[i]->sym->auth.data.offset >> 3);
9f95a23c TL	258	iv = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
9f95a23c TL	259	session->auth_iv_offset);
7c673cae FG	260
7c673cae FG	261	if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
9f95a23c	262	dst = qp->temp_digest;
7c673cae FG	263
7c673cae FG	264	sso_snow3g_f9_1_buffer(&session->pKeySched_hash,
9f95a23c	265	iv, src,
7c673cae FG	266	length_in_bits, dst);
	267	/* Verify digest. */
	268	if (memcmp(dst, ops[i]->sym->auth.digest.data,
9f95a23c	269	SNOW3G_DIGEST_LENGTH) != 0)
7c673cae	270	ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
7c673cae FG	271	} else {
	272	dst = ops[i]->sym->auth.digest.data;
	273
	274	sso_snow3g_f9_1_buffer(&session->pKeySched_hash,
9f95a23c	275	iv, src,
7c673cae FG	276	length_in_bits, dst);
	277	}
	278	processed_ops++;
	279	}
	280
	281	return processed_ops;
	282	}
	283
	284	/** Process a batch of crypto ops which shares the same session. */
	285	static int
	286	process_ops(struct rte_crypto_op *ops, struct snow3g_session session,
	287	struct snow3g_qp *qp, uint8_t num_ops,
	288	uint16_t *accumulated_enqueued_ops)
	289	{
	290	unsigned i;
	291	unsigned enqueued_ops, processed_ops;
	292
11fdf7f2 TL	293	#ifdef RTE_LIBRTE_PMD_SNOW3G_DEBUG
	294	for (i = 0; i < num_ops; i++) {
	295	if (!rte_pktmbuf_is_contiguous(ops[i]->sym->m_src) \|\|
	296	(ops[i]->sym->m_dst != NULL &&
	297	!rte_pktmbuf_is_contiguous(
	298	ops[i]->sym->m_dst))) {
9f95a23c	299	SNOW3G_LOG(ERR, "PMD supports only contiguous mbufs, "
11fdf7f2 TL	300	"op (%p) provides noncontiguous mbuf as "
	301	"source/destination buffer.\n", ops[i]);
	302	ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
	303	return 0;
	304	}
	305	}
	306	#endif
	307
7c673cae FG	308	switch (session->op) {
	309	case SNOW3G_OP_ONLY_CIPHER:
	310	processed_ops = process_snow3g_cipher_op(ops,
	311	session, num_ops);
	312	break;
	313	case SNOW3G_OP_ONLY_AUTH:
9f95a23c	314	processed_ops = process_snow3g_hash_op(qp, ops, session,
7c673cae FG	315	num_ops);
	316	break;
	317	case SNOW3G_OP_CIPHER_AUTH:
	318	processed_ops = process_snow3g_cipher_op(ops, session,
	319	num_ops);
9f95a23c	320	process_snow3g_hash_op(qp, ops, session, processed_ops);
7c673cae FG	321	break;
7c673cae FG	322	case SNOW3G_OP_AUTH_CIPHER:
9f95a23c	323	processed_ops = process_snow3g_hash_op(qp, ops, session,
7c673cae FG	324	num_ops);
	325	process_snow3g_cipher_op(ops, session, processed_ops);
	326	break;
	327	default:
	328	/* Operation not supported. */
	329	processed_ops = 0;
	330	}
	331
	332	for (i = 0; i < num_ops; i++) {
	333	/*
	334	* If there was no error/authentication failure,
	335	* change status to successful.
	336	*/
	337	if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
	338	ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
	339	/* Free session if a session-less crypto op. */
9f95a23c TL	340	if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
	341	memset(session, 0, sizeof(struct snow3g_session));
	342	memset(ops[i]->sym->session, 0,
	343	rte_cryptodev_sym_get_existing_header_session_size(
	344	ops[i]->sym->session));
	345	rte_mempool_put(qp->sess_mp_priv, session);
7c673cae FG	346	rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
	347	ops[i]->sym->session = NULL;
	348	}
	349	}
	350
	351	enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
11fdf7f2	352	(void **)ops, processed_ops, NULL);
7c673cae FG	353	qp->qp_stats.enqueued_count += enqueued_ops;
	354	*accumulated_enqueued_ops += enqueued_ops;
	355
	356	return enqueued_ops;
	357	}
	358
	359	/** Process a crypto op with length/offset in bits. */
	360	static int
	361	process_op_bit(struct rte_crypto_op op, struct snow3g_session session,
	362	struct snow3g_qp qp, uint16_t accumulated_enqueued_ops)
	363	{
	364	unsigned enqueued_op, processed_op;
	365
	366	switch (session->op) {
	367	case SNOW3G_OP_ONLY_CIPHER:
	368	processed_op = process_snow3g_cipher_op_bit(op,
	369	session);
	370	break;
	371	case SNOW3G_OP_ONLY_AUTH:
9f95a23c	372	processed_op = process_snow3g_hash_op(qp, &op, session, 1);
7c673cae FG	373	break;
	374	case SNOW3G_OP_CIPHER_AUTH:
	375	processed_op = process_snow3g_cipher_op_bit(op, session);
	376	if (processed_op == 1)
9f95a23c	377	process_snow3g_hash_op(qp, &op, session, 1);
7c673cae FG	378	break;
7c673cae FG	379	case SNOW3G_OP_AUTH_CIPHER:
9f95a23c	380	processed_op = process_snow3g_hash_op(qp, &op, session, 1);
7c673cae FG	381	if (processed_op == 1)
	382	process_snow3g_cipher_op_bit(op, session);
	383	break;
	384	default:
	385	/* Operation not supported. */
	386	processed_op = 0;
	387	}
	388
	389	/*
	390	* If there was no error/authentication failure,
	391	* change status to successful.
	392	*/
	393	if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
	394	op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
	395
	396	/* Free session if a session-less crypto op. */
9f95a23c TL	397	if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
	398	memset(op->sym->session, 0, sizeof(struct snow3g_session));
	399	rte_cryptodev_sym_session_free(op->sym->session);
7c673cae FG	400	op->sym->session = NULL;
	401	}
	402
	403	enqueued_op = rte_ring_enqueue_burst(qp->processed_ops,
11fdf7f2	404	(void **)&op, processed_op, NULL);
7c673cae FG	405	qp->qp_stats.enqueued_count += enqueued_op;
	406	*accumulated_enqueued_ops += enqueued_op;
	407
	408	return enqueued_op;
	409	}
	410
	411	static uint16_t
	412	snow3g_pmd_enqueue_burst(void queue_pair, struct rte_crypto_op *ops,
	413	uint16_t nb_ops)
	414	{
	415	struct rte_crypto_op *c_ops[SNOW3G_MAX_BURST];
	416	struct rte_crypto_op *curr_c_op;
	417
	418	struct snow3g_session prev_sess = NULL, curr_sess = NULL;
	419	struct snow3g_qp *qp = queue_pair;
	420	unsigned i;
	421	uint8_t burst_size = 0;
	422	uint16_t enqueued_ops = 0;
	423	uint8_t processed_ops;
	424
	425	for (i = 0; i < nb_ops; i++) {
	426	curr_c_op = ops[i];
	427
	428	/* Set status as enqueued (not processed yet) by default. */
	429	curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
	430
	431	curr_sess = snow3g_get_session(qp, curr_c_op);
	432	if (unlikely(curr_sess == NULL \|\|
	433	curr_sess->op == SNOW3G_OP_NOT_SUPPORTED)) {
	434	curr_c_op->status =
	435	RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
	436	break;
	437	}
	438
	439	/* If length/offset is at bit-level, process this buffer alone. */
	440	if (((curr_c_op->sym->cipher.data.length % BYTE_LEN) != 0)
	441	\|\| ((curr_c_op->sym->cipher.data.offset
	442	% BYTE_LEN) != 0)) {
	443	/* Process the ops of the previous session. */
	444	if (prev_sess != NULL) {
	445	processed_ops = process_ops(c_ops, prev_sess,
	446	qp, burst_size, &enqueued_ops);
	447	if (processed_ops < burst_size) {
	448	burst_size = 0;
	449	break;
	450	}
	451
	452	burst_size = 0;
	453	prev_sess = NULL;
	454	}
	455
	456	processed_ops = process_op_bit(curr_c_op, curr_sess,
	457	qp, &enqueued_ops);
	458	if (processed_ops != 1)
	459	break;
	460
	461	continue;
	462	}
	463
	464	/* Batch ops that share the same session. */
	465	if (prev_sess == NULL) {
	466	prev_sess = curr_sess;
	467	c_ops[burst_size++] = curr_c_op;
	468	} else if (curr_sess == prev_sess) {
469	c_ops[burst_size++] = curr_c_op;
470	/*
471	* When there are enough ops to process in a batch,
472	* process them, and start a new batch.
473	*/
474	if (burst_size == SNOW3G_MAX_BURST) {
475	processed_ops = process_ops(c_ops, prev_sess,
476	qp, burst_size, &enqueued_ops);
477	if (processed_ops < burst_size) {
478	burst_size = 0;
479	break;
480	}
481
482	burst_size = 0;
483	prev_sess = NULL;
484	}
485	} else {
486	/*
487	* Different session, process the ops
488	* of the previous session.
489	*/
490	processed_ops = process_ops(c_ops, prev_sess,
491	qp, burst_size, &enqueued_ops);
492	if (processed_ops < burst_size) {
493	burst_size = 0;
494	break;
495	}
496
497	burst_size = 0;
498	prev_sess = curr_sess;
499
500	c_ops[burst_size++] = curr_c_op;
501	}
502	}
503
504	if (burst_size != 0) {
505	/* Process the crypto ops of the last session. */
506	processed_ops = process_ops(c_ops, prev_sess,
507	qp, burst_size, &enqueued_ops);
508	}
509
510	qp->qp_stats.enqueue_err_count += nb_ops - enqueued_ops;
511	return enqueued_ops;
512	}
513
514	static uint16_t
515	snow3g_pmd_dequeue_burst(void *queue_pair,
516	struct rte_crypto_op **c_ops, uint16_t nb_ops)
517	{
518	struct snow3g_qp *qp = queue_pair;
519
520	unsigned nb_dequeued;
521
522	nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
11fdf7f2	523	(void **)c_ops, nb_ops, NULL);
7c673cae FG	524	qp->qp_stats.dequeued_count += nb_dequeued;
	525
	526	return nb_dequeued;
	527	}
	528
11fdf7f2	529	static int cryptodev_snow3g_remove(struct rte_vdev_device *vdev);
7c673cae FG	530
	531	static int
	532	cryptodev_snow3g_create(const char *name,
11fdf7f2	533	struct rte_vdev_device *vdev,
9f95a23c	534	struct rte_cryptodev_pmd_init_params *init_params)
7c673cae FG	535	{
7c673cae FG	536	struct rte_cryptodev *dev;
7c673cae	537	struct snow3g_private *internals;
9f95a23c	538	uint64_t cpu_flags = RTE_CRYPTODEV_FF_CPU_SSE;
7c673cae	539
9f95a23c	540	dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
7c673cae	541	if (dev == NULL) {
9f95a23c	542	SNOW3G_LOG(ERR, "failed to create cryptodev vdev");
7c673cae FG	543	goto init_error;
	544	}
	545
9f95a23c	546	dev->driver_id = cryptodev_driver_id;
7c673cae FG	547	dev->dev_ops = rte_snow3g_pmd_ops;
	548
	549	/* Register RX/TX burst functions for data path. */
	550	dev->dequeue_burst = snow3g_pmd_dequeue_burst;
	551	dev->enqueue_burst = snow3g_pmd_enqueue_burst;
	552
	553	dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO \|
	554	RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING \|
	555	cpu_flags;
	556
	557	internals = dev->data->dev_private;
	558
	559	internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
7c673cae FG	560
	561	return 0;
	562	init_error:
9f95a23c	563	SNOW3G_LOG(ERR, "driver %s: cryptodev_snow3g_create failed",
11fdf7f2	564	init_params->name);
7c673cae	565
11fdf7f2	566	cryptodev_snow3g_remove(vdev);
7c673cae FG	567	return -EFAULT;
	568	}
	569
	570	static int
11fdf7f2	571	cryptodev_snow3g_probe(struct rte_vdev_device *vdev)
7c673cae	572	{
9f95a23c TL	573	struct rte_cryptodev_pmd_init_params init_params = {
	574	"",
	575	sizeof(struct snow3g_private),
11fdf7f2	576	rte_socket_id(),
9f95a23c	577	RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
7c673cae	578	};
11fdf7f2 TL	579	const char *name;
	580	const char *input_args;
	581
	582	name = rte_vdev_device_name(vdev);
	583	if (name == NULL)
	584	return -EINVAL;
	585	input_args = rte_vdev_device_args(vdev);
7c673cae	586
9f95a23c	587	rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
7c673cae	588
11fdf7f2	589	return cryptodev_snow3g_create(name, vdev, &init_params);
7c673cae FG	590	}
	591
	592	static int
11fdf7f2	593	cryptodev_snow3g_remove(struct rte_vdev_device *vdev)
7c673cae	594	{
9f95a23c	595	struct rte_cryptodev *cryptodev;
11fdf7f2 TL	596	const char *name;
	597
	598	name = rte_vdev_device_name(vdev);
7c673cae FG	599	if (name == NULL)
	600	return -EINVAL;
	601
9f95a23c TL	602	cryptodev = rte_cryptodev_pmd_get_named_dev(name);
	603	if (cryptodev == NULL)
	604	return -ENODEV;
7c673cae	605
9f95a23c	606	return rte_cryptodev_pmd_destroy(cryptodev);
7c673cae FG	607	}
	608
	609	static struct rte_vdev_driver cryptodev_snow3g_pmd_drv = {
	610	.probe = cryptodev_snow3g_probe,
	611	.remove = cryptodev_snow3g_remove
	612	};
	613
9f95a23c TL	614	static struct cryptodev_driver snow3g_crypto_drv;
9f95a23c TL	615
7c673cae FG	616	RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_SNOW3G_PMD, cryptodev_snow3g_pmd_drv);
	617	RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_SNOW3G_PMD, cryptodev_snow3g_pmd);
	618	RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_SNOW3G_PMD,
	619	"max_nb_queue_pairs=<int> "
7c673cae	620	"socket_id=<int>");
9f95a23c TL	621	RTE_PMD_REGISTER_CRYPTO_DRIVER(snow3g_crypto_drv,
	622	cryptodev_snow3g_pmd_drv.driver, cryptodev_driver_id);
	623
	624	RTE_INIT(snow3g_init_log)
	625	{
	626	snow3g_logtype_driver = rte_log_register("pmd.crypto.snow3g");
	627	}