#include "aesni_gcm_pmd_private.h"
-/** GCM encode functions pointer table */
-static const struct aesni_gcm_ops aesni_gcm_enc[] = {
- [AESNI_GCM_KEY_128] = {
- aesni_gcm128_init,
- aesni_gcm128_enc_update,
- aesni_gcm128_enc_finalize
- },
- [AESNI_GCM_KEY_256] = {
- aesni_gcm256_init,
- aesni_gcm256_enc_update,
- aesni_gcm256_enc_finalize
- }
-};
-
-/** GCM decode functions pointer table */
-static const struct aesni_gcm_ops aesni_gcm_dec[] = {
- [AESNI_GCM_KEY_128] = {
- aesni_gcm128_init,
- aesni_gcm128_dec_update,
- aesni_gcm128_dec_finalize
- },
- [AESNI_GCM_KEY_256] = {
- aesni_gcm256_init,
- aesni_gcm256_dec_update,
- aesni_gcm256_dec_finalize
- }
-};
+static uint8_t cryptodev_driver_id;
/** Parse crypto xform chain and set private session parameters */
int
-aesni_gcm_set_session_parameters(struct aesni_gcm_session *sess,
+aesni_gcm_set_session_parameters(const struct aesni_gcm_ops *gcm_ops,
+ struct aesni_gcm_session *sess,
const struct rte_crypto_sym_xform *xform)
{
const struct rte_crypto_sym_xform *auth_xform;
if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_AES_GMAC) {
GCM_LOG_ERR("Only AES GMAC is supported as an "
"authentication only algorithm");
- return -EINVAL;
+ return -ENOTSUP;
}
/* Set IV parameters */
sess->iv.offset = auth_xform->auth.iv.offset;
if (aead_xform->aead.algo != RTE_CRYPTO_AEAD_AES_GCM) {
GCM_LOG_ERR("The only combined operation "
"supported is AES GCM");
- return -EINVAL;
+ return -ENOTSUP;
}
/* Set IV parameters */
key_length = aead_xform->aead.key.length;
key = aead_xform->aead.key.data;
- sess->aad_length = aead_xform->aead.add_auth_data_length;
+ sess->aad_length = aead_xform->aead.aad_length;
digest_length = aead_xform->aead.digest_length;
} else {
GCM_LOG_ERR("Wrong xform type, has to be AEAD or authentication");
- return -EINVAL;
+ return -ENOTSUP;
}
/* Check key length and calculate GCM pre-compute. */
switch (key_length) {
case 16:
- aesni_gcm128_pre(key, &sess->gdata);
sess->key = AESNI_GCM_KEY_128;
-
+ break;
+ case 24:
+ sess->key = AESNI_GCM_KEY_192;
break;
case 32:
- aesni_gcm256_pre(key, &sess->gdata);
sess->key = AESNI_GCM_KEY_256;
-
break;
default:
- GCM_LOG_ERR("Unsupported key length");
+ GCM_LOG_ERR("Invalid key length");
return -EINVAL;
}
+ gcm_ops[sess->key].precomp(key, &sess->gdata_key);
+
/* Digest check */
if (digest_length != 16 &&
digest_length != 12 &&
struct rte_crypto_sym_op *sym_op = op->sym;
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 *)sym_op->session->_private;
+ if (likely(sym_op->session != NULL))
+ sess = (struct aesni_gcm_session *)
+ get_session_private_data(
+ sym_op->session,
+ cryptodev_driver_id);
} else {
void *_sess;
+ void *_sess_private_data = NULL;
+
+ if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
+ return NULL;
- if (rte_mempool_get(qp->sess_mp, &_sess))
- return sess;
+ if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
+ return NULL;
- sess = (struct aesni_gcm_session *)
- ((struct rte_cryptodev_sym_session *)_sess)->_private;
+ sess = (struct aesni_gcm_session *)_sess_private_data;
- if (unlikely(aesni_gcm_set_session_parameters(sess,
- sym_op->xform) != 0)) {
+ if (unlikely(aesni_gcm_set_session_parameters(qp->ops,
+ sess, sym_op->xform) != 0)) {
rte_mempool_put(qp->sess_mp, _sess);
+ rte_mempool_put(qp->sess_mp, _sess_private_data);
sess = NULL;
}
+ sym_op->session = (struct rte_cryptodev_sym_session *)_sess;
+ set_session_private_data(sym_op->session, cryptodev_driver_id,
+ _sess_private_data);
}
+
+ if (unlikely(sess == NULL))
+ op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
+
return sess;
}
/**
- * Process a crypto operation and complete a JOB_AES_HMAC job structure for
- * submission to the multi buffer library for processing.
+ * Process a crypto operation, calling
+ * the GCM API from the multi buffer library.
*
* @param qp queue pair
* @param op symmetric crypto operation
*
*/
static int
-process_gcm_crypto_op(struct rte_crypto_op *op,
+process_gcm_crypto_op(struct aesni_gcm_qp *qp, struct rte_crypto_op *op,
struct aesni_gcm_session *session)
{
uint8_t *src, *dst;
RTE_ASSERT(m_src != NULL);
- while (offset >= m_src->data_len) {
+ while (offset >= m_src->data_len && data_length != 0) {
offset -= m_src->data_len;
m_src = m_src->next;
if (session->op == AESNI_GCM_OP_AUTHENTICATED_ENCRYPTION) {
- aesni_gcm_enc[session->key].init(&session->gdata,
+ qp->ops[session->key].init(&session->gdata_key,
+ &qp->gdata_ctx,
iv_ptr,
sym_op->aead.aad.data,
(uint64_t)session->aad_length);
- aesni_gcm_enc[session->key].update(&session->gdata, dst, src,
+ qp->ops[session->key].update_enc(&session->gdata_key,
+ &qp->gdata_ctx, dst, src,
(uint64_t)part_len);
total_len = data_length - part_len;
part_len = (m_src->data_len < total_len) ?
m_src->data_len : total_len;
- aesni_gcm_enc[session->key].update(&session->gdata,
- dst, src,
+ qp->ops[session->key].update_enc(&session->gdata_key,
+ &qp->gdata_ctx, dst, src,
(uint64_t)part_len);
total_len -= part_len;
}
- aesni_gcm_enc[session->key].finalize(&session->gdata,
+ qp->ops[session->key].finalize(&session->gdata_key,
+ &qp->gdata_ctx,
sym_op->aead.digest.data,
(uint64_t)session->digest_length);
} else if (session->op == AESNI_GCM_OP_AUTHENTICATED_DECRYPTION) {
return -1;
}
- aesni_gcm_dec[session->key].init(&session->gdata,
+ qp->ops[session->key].init(&session->gdata_key,
+ &qp->gdata_ctx,
iv_ptr,
sym_op->aead.aad.data,
(uint64_t)session->aad_length);
- aesni_gcm_dec[session->key].update(&session->gdata, dst, src,
+ qp->ops[session->key].update_dec(&session->gdata_key,
+ &qp->gdata_ctx, dst, src,
(uint64_t)part_len);
total_len = data_length - part_len;
part_len = (m_src->data_len < total_len) ?
m_src->data_len : total_len;
- aesni_gcm_dec[session->key].update(&session->gdata,
+ qp->ops[session->key].update_dec(&session->gdata_key,
+ &qp->gdata_ctx,
dst, src,
(uint64_t)part_len);
total_len -= part_len;
}
- aesni_gcm_dec[session->key].finalize(&session->gdata,
+ qp->ops[session->key].finalize(&session->gdata_key,
+ &qp->gdata_ctx,
auth_tag,
(uint64_t)session->digest_length);
} else if (session->op == AESNI_GMAC_OP_GENERATE) {
- aesni_gcm_enc[session->key].init(&session->gdata,
+ qp->ops[session->key].init(&session->gdata_key,
+ &qp->gdata_ctx,
iv_ptr,
src,
(uint64_t)data_length);
- aesni_gcm_enc[session->key].finalize(&session->gdata,
+ qp->ops[session->key].finalize(&session->gdata_key,
+ &qp->gdata_ctx,
sym_op->auth.digest.data,
(uint64_t)session->digest_length);
} else { /* AESNI_GMAC_OP_VERIFY */
return -1;
}
- aesni_gcm_dec[session->key].init(&session->gdata,
+ qp->ops[session->key].init(&session->gdata_key,
+ &qp->gdata_ctx,
iv_ptr,
src,
(uint64_t)data_length);
- aesni_gcm_dec[session->key].finalize(&session->gdata,
+ qp->ops[session->key].finalize(&session->gdata_key,
+ &qp->gdata_ctx,
auth_tag,
(uint64_t)session->digest_length);
}
* - Returns NULL on invalid job
*/
static void
-post_process_gcm_crypto_op(struct rte_crypto_op *op)
+post_process_gcm_crypto_op(struct rte_crypto_op *op,
+ struct aesni_gcm_session *session)
{
struct rte_mbuf *m = op->sym->m_dst ? op->sym->m_dst : op->sym->m_src;
- struct aesni_gcm_session *session =
- (struct aesni_gcm_session *)op->sym->session->_private;
-
op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
/* Verify digest if required */
* Process a completed GCM request
*
* @param qp Queue Pair to process
+ * @param op Crypto operation
* @param job JOB_AES_HMAC job
*
* @return
*/
static void
handle_completed_gcm_crypto_op(struct aesni_gcm_qp *qp,
- struct rte_crypto_op *op)
+ struct rte_crypto_op *op,
+ struct aesni_gcm_session *sess)
{
- post_process_gcm_crypto_op(op);
+ post_process_gcm_crypto_op(op, sess);
/* Free session if a session-less crypto op */
if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+ memset(sess, 0, sizeof(struct aesni_gcm_session));
+ memset(op->sym->session, 0,
+ rte_cryptodev_get_header_session_size());
+ rte_mempool_put(qp->sess_mp, sess);
rte_mempool_put(qp->sess_mp, op->sym->session);
op->sym->session = NULL;
}
break;
}
- retval = process_gcm_crypto_op(ops[i], sess);
+ retval = process_gcm_crypto_op(qp, ops[i], sess);
if (retval < 0) {
ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
qp->qp_stats.dequeue_err_count++;
break;
}
- handle_completed_gcm_crypto_op(qp, ops[i]);
+ handle_completed_gcm_crypto_op(qp, ops[i], sess);
}
qp->qp_stats.dequeued_count += i;
{
struct rte_cryptodev *dev;
struct aesni_gcm_private *internals;
+ enum aesni_gcm_vector_mode vector_mode;
if (init_params->name[0] == '\0')
snprintf(init_params->name, sizeof(init_params->name),
return -EFAULT;
}
+ /* Check CPU for supported vector instruction set */
+ if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2))
+ vector_mode = RTE_AESNI_GCM_AVX2;
+ else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
+ vector_mode = RTE_AESNI_GCM_AVX;
+ else
+ vector_mode = RTE_AESNI_GCM_SSE;
+
dev = rte_cryptodev_vdev_pmd_init(init_params->name,
sizeof(struct aesni_gcm_private), init_params->socket_id,
vdev);
goto init_error;
}
- dev->dev_type = RTE_CRYPTODEV_AESNI_GCM_PMD;
+ dev->driver_id = cryptodev_driver_id;
dev->dev_ops = rte_aesni_gcm_pmd_ops;
/* register rx/tx burst functions for data path */
RTE_CRYPTODEV_FF_CPU_AESNI |
RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER;
+ switch (vector_mode) {
+ case RTE_AESNI_GCM_SSE:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
+ break;
+ case RTE_AESNI_GCM_AVX:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
+ break;
+ case RTE_AESNI_GCM_AVX2:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX2;
+ break;
+ default:
+ break;
+ }
+
internals = dev->data->dev_private;
+ internals->vector_mode = vector_mode;
+
internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
internals->max_nb_sessions = init_params->max_nb_sessions;
"max_nb_queue_pairs=<int> "
"max_nb_sessions=<int> "
"socket_id=<int>");
+RTE_PMD_REGISTER_CRYPTO_DRIVER(aesni_gcm_pmd_drv, cryptodev_driver_id);
git.droids-corp.org / dpdk.git / blobdiff