#include "rte_snow3g_pmd_private.h"
#define SNOW3G_IV_LENGTH 16
-#define SNOW3G_DIGEST_LENGTH 4
#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)
case SNOW3G_OP_NOT_SUPPORTED:
default:
SNOW3G_LOG_ERR("Unsupported operation chain order parameter");
- return -EINVAL;
+ return -ENOTSUP;
}
if (cipher_xform) {
/* Only SNOW 3G UEA2 supported */
if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_SNOW3G_UEA2)
- return -EINVAL;
+ return -ENOTSUP;
if (cipher_xform->cipher.iv.length != SNOW3G_IV_LENGTH) {
SNOW3G_LOG_ERR("Wrong IV length");
return -EINVAL;
}
- sess->iv_offset = cipher_xform->cipher.iv.offset;
+ sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;
/* Initialize key */
sso_snow3g_init_key_sched(cipher_xform->cipher.key.data,
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);
static struct snow3g_session *
snow3g_get_session(struct snow3g_qp *qp, struct rte_crypto_op *op)
{
- struct snow3g_session *sess;
+ struct snow3g_session *sess = NULL;
if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
- if (unlikely(op->sym->session->dev_type !=
- RTE_CRYPTODEV_SNOW3G_PMD))
+ if (likely(op->sym->session != NULL))
+ sess = (struct snow3g_session *)
+ get_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;
- sess = (struct snow3g_session *)op->sym->session->_private;
- } else {
- struct rte_cryptodev_session *c_sess = NULL;
-
- if (rte_mempool_get(qp->sess_mp, (void **)&c_sess))
+ if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
return NULL;
- sess = (struct snow3g_session *)c_sess->_private;
+ sess = (struct snow3g_session *)_sess_private_data;
if (unlikely(snow3g_set_session_parameters(sess,
- op->sym->xform) != 0))
- return NULL;
+ op->sym->xform) != 0)) {
+ rte_mempool_put(qp->sess_mp, _sess);
+ rte_mempool_put(qp->sess_mp, _sess_private_data);
+ sess = NULL;
+ }
+ op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
+ set_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;
}
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->iv_offset);
+ session->cipher_iv_offset);
num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
processed_ops++;
}
dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
iv = rte_crypto_op_ctod_offset(op, uint8_t *,
- session->iv_offset);
+ session->cipher_iv_offset);
length_in_bits = op->sym->cipher.data.length;
sso_snow3g_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
/** Generate/verify hash from mbufs with same hash key. */
static int
-process_snow3g_hash_op(struct rte_crypto_op **ops,
+process_snow3g_hash_op(struct snow3g_qp *qp, struct rte_crypto_op **ops,
struct snow3g_session *session,
uint8_t num_ops)
{
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");
- break;
- }
-
/* Data must be byte aligned */
if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
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);
+ dst = qp->temp_digest;
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,
- ops[i]->sym->auth.digest.length) != 0)
+ SNOW3G_DIGEST_LENGTH) != 0)
ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
-
- /* Trim area used for digest from mbuf. */
- rte_pktmbuf_trim(ops[i]->sym->m_src,
- ops[i]->sym->auth.digest.length);
} else {
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++;
session, num_ops);
break;
case SNOW3G_OP_ONLY_AUTH:
- processed_ops = process_snow3g_hash_op(ops, session,
+ 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(ops, session, processed_ops);
+ process_snow3g_hash_op(qp, ops, session, processed_ops);
break;
case SNOW3G_OP_AUTH_CIPHER:
- processed_ops = process_snow3g_hash_op(ops, session,
+ processed_ops = process_snow3g_hash_op(qp, ops, session,
num_ops);
process_snow3g_cipher_op(ops, session, processed_ops);
break;
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_get_header_session_size());
+ rte_mempool_put(qp->sess_mp, session);
rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
ops[i]->sym->session = NULL;
}
session);
break;
case SNOW3G_OP_ONLY_AUTH:
- processed_op = process_snow3g_hash_op(&op, session, 1);
+ 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(&op, session, 1);
+ process_snow3g_hash_op(qp, &op, session, 1);
break;
case SNOW3G_OP_AUTH_CIPHER:
- processed_op = process_snow3g_hash_op(&op, session, 1);
+ processed_op = process_snow3g_hash_op(qp, &op, session, 1);
if (processed_op == 1)
process_snow3g_cipher_op_bit(op, session);
break;
/* Free session if a session-less crypto op. */
if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
- rte_mempool_put(qp->sess_mp, op->sym->session);
+ memset(op->sym->session, 0, sizeof(struct snow3g_session));
+ rte_cryptodev_sym_session_free(op->sym->session);
op->sym->session = NULL;
}
goto init_error;
}
- dev->dev_type = RTE_CRYPTODEV_SNOW3G_PMD;
+ dev->driver_id = cryptodev_driver_id;
dev->dev_ops = rte_snow3g_pmd_ops;
/* Register RX/TX burst functions for data path. */
.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> "
"max_nb_sessions=<int> "
"socket_id=<int>");
+RTE_PMD_REGISTER_CRYPTO_DRIVER(snow3g_crypto_drv, cryptodev_snow3g_pmd_drv,
+ cryptodev_driver_id);
git.droids-corp.org / dpdk.git / blobdiff