/*-
* BSD LICENSE
*
- * Copyright(c) 2016 Intel Corporation. All rights reserved.
+ * Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#include <rte_hexdump.h>
#include <rte_cryptodev.h>
#include <rte_cryptodev_pmd.h>
+#include <rte_cryptodev_vdev.h>
#include <rte_vdev.h>
#include <rte_malloc.h>
#include <rte_cpuflags.h>
/** Get gcm session */
static struct aesni_gcm_session *
-aesni_gcm_get_session(struct aesni_gcm_qp *qp, struct rte_crypto_sym_op *op)
+aesni_gcm_get_session(struct aesni_gcm_qp *qp, struct rte_crypto_op *op)
{
struct aesni_gcm_session *sess = NULL;
+ struct rte_crypto_sym_op *sym_op = op->sym;
- if (op->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
- if (unlikely(op->session->dev_type
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
+ if (unlikely(sym_op->session->dev_type
!= RTE_CRYPTODEV_AESNI_GCM_PMD))
return sess;
- sess = (struct aesni_gcm_session *)op->session->_private;
+ sess = (struct aesni_gcm_session *)sym_op->session->_private;
} else {
void *_sess;
((struct rte_cryptodev_sym_session *)_sess)->_private;
if (unlikely(aesni_gcm_set_session_parameters(sess,
- op->xform) != 0)) {
+ sym_op->xform) != 0)) {
rte_mempool_put(qp->sess_mp, _sess);
sess = NULL;
}
*
*/
static int
-process_gcm_crypto_op(struct rte_crypto_sym_op *op,
+process_gcm_crypto_op(struct rte_crypto_op *op,
struct aesni_gcm_session *session)
{
uint8_t *src, *dst;
- struct rte_mbuf *m_src = op->m_src;
- uint32_t offset = op->cipher.data.offset;
+ uint8_t *iv_ptr;
+ struct rte_crypto_sym_op *sym_op = op->sym;
+ struct rte_mbuf *m_src = sym_op->m_src;
+ uint32_t offset = sym_op->cipher.data.offset;
uint32_t part_len, total_len, data_len;
RTE_ASSERT(m_src != NULL);
}
data_len = m_src->data_len - offset;
- part_len = (data_len < op->cipher.data.length) ? data_len :
- op->cipher.data.length;
+ part_len = (data_len < sym_op->cipher.data.length) ? data_len :
+ sym_op->cipher.data.length;
/* Destination buffer is required when segmented source buffer */
- RTE_ASSERT((part_len == op->cipher.data.length) ||
- ((part_len != op->cipher.data.length) &&
- (op->m_dst != NULL)));
+ RTE_ASSERT((part_len == sym_op->cipher.data.length) ||
+ ((part_len != sym_op->cipher.data.length) &&
+ (sym_op->m_dst != NULL)));
/* Segmented destination buffer is not supported */
- RTE_ASSERT((op->m_dst == NULL) ||
- ((op->m_dst != NULL) &&
- rte_pktmbuf_is_contiguous(op->m_dst)));
+ RTE_ASSERT((sym_op->m_dst == NULL) ||
+ ((sym_op->m_dst != NULL) &&
+ rte_pktmbuf_is_contiguous(sym_op->m_dst)));
- dst = op->m_dst ?
- rte_pktmbuf_mtod_offset(op->m_dst, uint8_t *,
- op->cipher.data.offset) :
- rte_pktmbuf_mtod_offset(op->m_src, uint8_t *,
- op->cipher.data.offset);
+ dst = sym_op->m_dst ?
+ rte_pktmbuf_mtod_offset(sym_op->m_dst, uint8_t *,
+ sym_op->cipher.data.offset) :
+ rte_pktmbuf_mtod_offset(sym_op->m_src, uint8_t *,
+ sym_op->cipher.data.offset);
src = rte_pktmbuf_mtod_offset(m_src, uint8_t *, offset);
/* sanity checks */
- if (op->cipher.iv.length != 16 && op->cipher.iv.length != 12 &&
- op->cipher.iv.length != 0) {
+ if (sym_op->cipher.iv.length != 16 && sym_op->cipher.iv.length != 12 &&
+ sym_op->cipher.iv.length != 0) {
GCM_LOG_ERR("iv");
return -1;
}
+ iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
+ sym_op->cipher.iv.offset);
/*
* GCM working in 12B IV mode => 16B pre-counter block we need
* to set BE LSB to 1, driver expects that 16B is allocated
*/
- if (op->cipher.iv.length == 12) {
- uint32_t *iv_padd = (uint32_t *)&op->cipher.iv.data[12];
+ if (sym_op->cipher.iv.length == 12) {
+ uint32_t *iv_padd = (uint32_t *)&(iv_ptr[12]);
*iv_padd = rte_bswap32(1);
}
- if (op->auth.digest.length != 16 &&
- op->auth.digest.length != 12 &&
- op->auth.digest.length != 8) {
+ if (sym_op->auth.digest.length != 16 &&
+ sym_op->auth.digest.length != 12 &&
+ sym_op->auth.digest.length != 8) {
GCM_LOG_ERR("digest");
return -1;
}
if (session->op == AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION) {
aesni_gcm_enc[session->key].init(&session->gdata,
- op->cipher.iv.data,
- op->auth.aad.data,
- (uint64_t)op->auth.aad.length);
+ iv_ptr,
+ sym_op->auth.aad.data,
+ (uint64_t)sym_op->auth.aad.length);
aesni_gcm_enc[session->key].update(&session->gdata, dst, src,
(uint64_t)part_len);
- total_len = op->cipher.data.length - part_len;
+ total_len = sym_op->cipher.data.length - part_len;
while (total_len) {
dst += part_len;
}
aesni_gcm_enc[session->key].finalize(&session->gdata,
- op->auth.digest.data,
- (uint64_t)op->auth.digest.length);
+ sym_op->auth.digest.data,
+ (uint64_t)sym_op->auth.digest.length);
} else { /* session->op == AESNI_GCM_OP_AUTHENTICATED_DECRYPTION */
- uint8_t *auth_tag = (uint8_t *)rte_pktmbuf_append(op->m_dst ?
- op->m_dst : op->m_src,
- op->auth.digest.length);
+ uint8_t *auth_tag = (uint8_t *)rte_pktmbuf_append(sym_op->m_dst ?
+ sym_op->m_dst : sym_op->m_src,
+ sym_op->auth.digest.length);
if (!auth_tag) {
GCM_LOG_ERR("auth_tag");
}
aesni_gcm_dec[session->key].init(&session->gdata,
- op->cipher.iv.data,
- op->auth.aad.data,
- (uint64_t)op->auth.aad.length);
+ iv_ptr,
+ sym_op->auth.aad.data,
+ (uint64_t)sym_op->auth.aad.length);
aesni_gcm_dec[session->key].update(&session->gdata, dst, src,
(uint64_t)part_len);
- total_len = op->cipher.data.length - part_len;
+ total_len = sym_op->cipher.data.length - part_len;
while (total_len) {
dst += part_len;
aesni_gcm_dec[session->key].finalize(&session->gdata,
auth_tag,
- (uint64_t)op->auth.digest.length);
+ (uint64_t)sym_op->auth.digest.length);
}
return 0;
post_process_gcm_crypto_op(op);
/* Free session if a session-less crypto op */
- if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
+ if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
rte_mempool_put(qp->sess_mp, op->sym->session);
op->sym->session = NULL;
}
-
- rte_ring_enqueue(qp->processed_pkts, (void *)op);
}
static uint16_t
-aesni_gcm_pmd_enqueue_burst(void *queue_pair,
+aesni_gcm_pmd_dequeue_burst(void *queue_pair,
struct rte_crypto_op **ops, uint16_t nb_ops)
{
struct aesni_gcm_session *sess;
struct aesni_gcm_qp *qp = queue_pair;
- int i, retval = 0;
+ int retval = 0;
+ unsigned int i, nb_dequeued;
+
+ nb_dequeued = rte_ring_dequeue_burst(qp->processed_pkts,
+ (void **)ops, nb_ops, NULL);
- for (i = 0; i < nb_ops; i++) {
+ for (i = 0; i < nb_dequeued; i++) {
- sess = aesni_gcm_get_session(qp, ops[i]->sym);
+ sess = aesni_gcm_get_session(qp, ops[i]);
if (unlikely(sess == NULL)) {
ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- qp->qp_stats.enqueue_err_count++;
+ qp->qp_stats.dequeue_err_count++;
break;
}
- retval = process_gcm_crypto_op(ops[i]->sym, sess);
+ retval = process_gcm_crypto_op(ops[i], sess);
if (retval < 0) {
ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- qp->qp_stats.enqueue_err_count++;
+ qp->qp_stats.dequeue_err_count++;
break;
}
handle_completed_gcm_crypto_op(qp, ops[i]);
-
- qp->qp_stats.enqueued_count++;
}
+
+ qp->qp_stats.dequeued_count += i;
+
return i;
}
static uint16_t
-aesni_gcm_pmd_dequeue_burst(void *queue_pair,
+aesni_gcm_pmd_enqueue_burst(void *queue_pair,
struct rte_crypto_op **ops, uint16_t nb_ops)
{
struct aesni_gcm_qp *qp = queue_pair;
- unsigned nb_dequeued;
+ unsigned int nb_enqueued;
- nb_dequeued = rte_ring_dequeue_burst(qp->processed_pkts,
- (void **)ops, nb_ops);
- qp->qp_stats.dequeued_count += nb_dequeued;
+ nb_enqueued = rte_ring_enqueue_burst(qp->processed_pkts,
+ (void **)ops, nb_ops, NULL);
+ qp->qp_stats.enqueued_count += nb_enqueued;
- return nb_dequeued;
+ return nb_enqueued;
}
-static int aesni_gcm_remove(const char *name);
+static int aesni_gcm_remove(struct rte_vdev_device *vdev);
static int
-aesni_gcm_create(struct rte_crypto_vdev_init_params *init_params)
+aesni_gcm_create(const char *name,
+ struct rte_vdev_device *vdev,
+ struct rte_crypto_vdev_init_params *init_params)
{
struct rte_cryptodev *dev;
struct aesni_gcm_private *internals;
- if (init_params->name[0] == '\0') {
- int ret = rte_cryptodev_pmd_create_dev_name(
- init_params->name,
- RTE_STR(CRYPTODEV_NAME_AESNI_GCM_PMD));
-
- if (ret < 0) {
- GCM_LOG_ERR("failed to create unique name");
- return ret;
- }
- }
+ if (init_params->name[0] == '\0')
+ snprintf(init_params->name, sizeof(init_params->name),
+ "%s", name);
/* Check CPU for support for AES instruction set */
if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_AES)) {
return -EFAULT;
}
- dev = rte_cryptodev_pmd_virtual_dev_init(init_params->name,
- sizeof(struct aesni_gcm_private), init_params->socket_id);
+ dev = rte_cryptodev_vdev_pmd_init(init_params->name,
+ sizeof(struct aesni_gcm_private), init_params->socket_id,
+ vdev);
if (dev == NULL) {
GCM_LOG_ERR("failed to create cryptodev vdev");
goto init_error;
init_error:
GCM_LOG_ERR("driver %s: create failed", init_params->name);
- aesni_gcm_remove(init_params->name);
+ aesni_gcm_remove(vdev);
return -EFAULT;
}
static int
-aesni_gcm_probe(const char *name, const char *input_args)
+aesni_gcm_probe(struct rte_vdev_device *vdev)
{
struct rte_crypto_vdev_init_params init_params = {
RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
rte_socket_id(),
{0}
};
+ const char *name;
+ const char *input_args;
- rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
+ name = rte_vdev_device_name(vdev);
+ if (name == NULL)
+ return -EINVAL;
+ input_args = rte_vdev_device_args(vdev);
+ rte_cryptodev_vdev_parse_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 sessions = %d\n",
init_params.max_nb_sessions);
- return aesni_gcm_create(&init_params);
+ return aesni_gcm_create(name, vdev, &init_params);
}
static int
-aesni_gcm_remove(const char *name)
+aesni_gcm_remove(struct rte_vdev_device *vdev)
{
+ const char *name;
+
+ name = rte_vdev_device_name(vdev);
if (name == NULL)
return -EINVAL;