#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)
/* 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(cipher_xform->cipher.key.data,
&sess->pKeySched_cipher);
/* Only SNOW 3G UIA2 supported */
if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_SNOW3G_UIA2)
return -EINVAL;
+
+ 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);
struct snow3g_session *sess;
if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
- if (unlikely(op->sym->session->dev_type !=
- RTE_CRYPTODEV_SNOW3G_PMD))
+ if (unlikely(op->sym->session->driver_id !=
+ cryptodev_driver_id))
return NULL;
sess = (struct snow3g_session *)op->sym->session->_private;
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 ?
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 *,
- ops[i]->sym->cipher.iv.offset);
+ session->cipher_iv_offset);
num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
processed_ops++;
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) {
}
dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
iv = rte_crypto_op_ctod_offset(op, uint8_t *,
- op->sym->cipher.iv.offset);
+ session->cipher_iv_offset);
length_in_bits = op->sym->cipher.data.length;
sso_snow3g_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
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);
+ SNOW3G_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,
- 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);
+ SNOW3G_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++;
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. */
"max_nb_queue_pairs=<int> "
"max_nb_sessions=<int> "
"socket_id=<int>");
+RTE_PMD_REGISTER_CRYPTO_DRIVER(cryptodev_snow3g_pmd_drv, cryptodev_driver_id);