/*-
* 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>
#define SNOW3G_MAX_BURST 8
#define BYTE_LEN 8
-/**
- * Global static parameter used to create a unique name for each SNOW 3G
- * crypto device.
- */
-static unsigned 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_SNOW3G_PMD),
- unique_name_id++);
- if (ret < 0)
- return ret;
- return 0;
-}
-
/** Get xform chain order. */
static enum snow3g_operation
snow3g_get_mode(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;
- int mode;
+ enum snow3g_operation mode;
/* Select Crypto operation - hash then cipher / cipher then hash */
mode = snow3g_get_mode(xform);
/* Fall-through */
case SNOW3G_OP_ONLY_AUTH:
auth_xform = xform;
- }
-
- if (mode == SNOW3G_OP_NOT_SUPPORTED) {
+ break;
+ case SNOW3G_OP_NOT_SUPPORTED:
+ default:
SNOW3G_LOG_ERR("Unsupported operation chain order parameter");
return -EINVAL;
}
/* Only SNOW 3G UEA2 supported */
if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_SNOW3G_UEA2)
return -EINVAL;
+
+ 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(xform->cipher.key.data,
+ sso_snow3g_init_key_sched(cipher_xform->cipher.key.data,
&sess->pKeySched_cipher);
}
if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_SNOW3G_UIA2)
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(xform->auth.key.data,
+ sso_snow3g_init_key_sched(auth_xform->auth.key.data,
&sess->pKeySched_hash);
}
{
struct snow3g_session *sess;
- if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
if (unlikely(op->sym->session->dev_type !=
RTE_CRYPTODEV_SNOW3G_PMD))
return NULL;
unsigned i;
uint8_t processed_ops = 0;
uint8_t *src[SNOW3G_MAX_BURST], *dst[SNOW3G_MAX_BURST];
- uint8_t *IV[SNOW3G_MAX_BURST];
+ uint8_t *iv[SNOW3G_MAX_BURST];
uint32_t num_bytes[SNOW3G_MAX_BURST];
for (i = 0; i < num_ops; i++) {
- /* Sanity checks. */
- if (unlikely(ops[i]->sym->cipher.iv.length != SNOW3G_IV_LENGTH)) {
- ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- SNOW3G_LOG_ERR("iv");
- break;
- }
-
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 ?
(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] = ops[i]->sym->cipher.iv.data;
+ 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,
+ sso_snow3g_f8_n_buffer(&session->pKeySched_cipher, iv, src, dst,
num_bytes, processed_ops);
return processed_ops;
struct snow3g_session *session)
{
uint8_t *src, *dst;
- uint8_t *IV;
+ uint8_t *iv;
uint32_t length_in_bits, offset_in_bits;
- /* Sanity checks. */
- if (unlikely(op->sym->cipher.iv.length != SNOW3G_IV_LENGTH)) {
- op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- SNOW3G_LOG_ERR("iv");
- return 0;
- }
-
offset_in_bits = op->sym->cipher.data.offset;
src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
if (op->sym->m_dst == NULL) {
return 0;
}
dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
- IV = op->sym->cipher.iv.data;
+ 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,
+ sso_snow3g_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
src, dst, length_in_bits, offset_in_bits);
return 1;
uint8_t processed_ops = 0;
uint8_t *src, *dst;
uint32_t length_in_bits;
+ uint8_t *iv;
for (i = 0; i < num_ops; i++) {
- if (unlikely(ops[i]->sym->auth.aad.length != SNOW3G_IV_LENGTH)) {
- ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
- SNOW3G_LOG_ERR("aad");
- break;
- }
-
if (unlikely(ops[i]->sym->auth.digest.length != SNOW3G_DIGEST_LENGTH)) {
ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
SNOW3G_LOG_ERR("digest");
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 = (uint8_t *)rte_pktmbuf_append(ops[i]->sym->m_src,
ops[i]->sym->auth.digest.length);
sso_snow3g_f9_1_buffer(&session->pKeySched_hash,
- ops[i]->sym->auth.aad.data, src,
+ iv, src,
length_in_bits, dst);
/* Verify digest. */
if (memcmp(dst, ops[i]->sym->auth.digest.data,
dst = ops[i]->sym->auth.digest.data;
sso_snow3g_f9_1_buffer(&session->pKeySched_hash,
- ops[i]->sym->auth.aad.data, src,
+ iv, src,
length_in_bits, dst);
}
processed_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,
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]->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
+ if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
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);
+ (void **)ops, processed_ops, NULL);
qp->qp_stats.enqueued_count += enqueued_ops;
*accumulated_enqueued_ops += enqueued_ops;
op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
/* 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;
}
enqueued_op = rte_ring_enqueue_burst(qp->processed_ops,
- (void **)&op, processed_op);
+ (void **)&op, processed_op, NULL);
qp->qp_stats.enqueued_count += enqueued_op;
*accumulated_enqueued_ops += enqueued_op;
unsigned nb_dequeued;
nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
- (void **)c_ops, nb_ops);
+ (void **)c_ops, nb_ops, NULL);
qp->qp_stats.dequeued_count += nb_dequeued;
return nb_dequeued;
}
-static int cryptodev_snow3g_remove(const char *name);
+static int cryptodev_snow3g_remove(struct rte_vdev_device *vdev);
static int
cryptodev_snow3g_create(const char *name,
- struct rte_crypto_vdev_init_params *init_params)
+ struct rte_vdev_device *vdev,
+ struct rte_crypto_vdev_init_params *init_params)
{
struct rte_cryptodev *dev;
- char crypto_dev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
struct snow3g_private *internals;
- uint64_t cpu_flags = 0;
-
- /* Check CPU for supported vector instruction set */
- if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
- cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
- else {
- SNOW3G_LOG_ERR("Vector instructions are not supported by CPU");
- return -EFAULT;
- }
+ uint64_t cpu_flags = RTE_CRYPTODEV_FF_CPU_SSE;
+ if (init_params->name[0] == '\0')
+ snprintf(init_params->name, sizeof(init_params->name),
+ "%s", name);
- /* Create a unique device name. */
- if (create_unique_device_name(crypto_dev_name,
- RTE_CRYPTODEV_NAME_MAX_LEN) != 0) {
- SNOW3G_LOG_ERR("failed to create unique cryptodev name");
- return -EINVAL;
- }
-
- dev = rte_cryptodev_pmd_virtual_dev_init(crypto_dev_name,
- sizeof(struct snow3g_private), init_params->socket_id);
+ dev = rte_cryptodev_vdev_pmd_init(init_params->name,
+ sizeof(struct snow3g_private), init_params->socket_id,
+ vdev);
if (dev == NULL) {
SNOW3G_LOG_ERR("failed to create cryptodev vdev");
goto init_error;
return 0;
init_error:
- SNOW3G_LOG_ERR("driver %s: cryptodev_snow3g_create failed", name);
+ SNOW3G_LOG_ERR("driver %s: cryptodev_snow3g_create failed",
+ init_params->name);
- cryptodev_snow3g_remove(crypto_dev_name);
+ cryptodev_snow3g_remove(vdev);
return -EFAULT;
}
static int
-cryptodev_snow3g_probe(const char *name,
- const char *input_args)
+cryptodev_snow3g_probe(struct rte_vdev_device *vdev)
{
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_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);
+ if (init_params.name[0] != '\0')
+ RTE_LOG(INFO, PMD, " User defined name = %s\n",
+ init_params.name);
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_snow3g_create(name, &init_params);
+ return cryptodev_snow3g_create(name, vdev, &init_params);
}
static int
-cryptodev_snow3g_remove(const char *name)
+cryptodev_snow3g_remove(struct rte_vdev_device *vdev)
{
+ const char *name;
+
+ name = rte_vdev_device_name(vdev);
if (name == NULL)
return -EINVAL;
.remove = cryptodev_snow3g_remove
};
-DRIVER_REGISTER_VDEV(CRYPTODEV_NAME_SNOW3G_PMD, cryptodev_snow3g_pmd_drv);
-DRIVER_REGISTER_PARAM_STRING(CRYPTODEV_NAME_SNOW3G_PMD,
+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> "
"max_nb_sessions=<int> "
"socket_id=<int>");