diff options
Diffstat (limited to 'drivers/crypto/aesni_gcm/aesni_gcm_pmd_ops.c')
| -rw-r--r-- | drivers/crypto/aesni_gcm/aesni_gcm_pmd_ops.c | 94 |
1 files changed, 55 insertions, 39 deletions
diff --git a/drivers/crypto/aesni_gcm/aesni_gcm_pmd_ops.c b/drivers/crypto/aesni_gcm/aesni_gcm_pmd_ops.c index 1fc047be..48400ac2 100644 --- a/drivers/crypto/aesni_gcm/aesni_gcm_pmd_ops.c +++ b/drivers/crypto/aesni_gcm/aesni_gcm_pmd_ops.c @@ -49,32 +49,32 @@ static const struct rte_cryptodev_capabilities aesni_gcm_pmd_capabilities[] = { .key_size = { .min = 16, .max = 32, - .increment = 16 + .increment = 8 }, .digest_size = { .min = 8, .max = 16, .increment = 4 }, - .aad_size = { - .min = 0, - .max = 65535, - .increment = 1 + .iv_size = { + .min = 12, + .max = 12, + .increment = 0 } }, } }, } }, - { /* AES GCM (AUTH) */ + { /* AES GCM */ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC, {.sym = { - .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH, - {.auth = { - .algo = RTE_CRYPTO_AUTH_AES_GCM, + .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD, + {.aead = { + .algo = RTE_CRYPTO_AEAD_AES_GCM, .block_size = 16, .key_size = { .min = 16, .max = 32, - .increment = 16 + .increment = 8 }, .digest_size = { .min = 8, @@ -85,21 +85,6 @@ static const struct rte_cryptodev_capabilities aesni_gcm_pmd_capabilities[] = { .min = 0, .max = 65535, .increment = 1 - } - }, } - }, } - }, - { /* AES GCM (CIPHER) */ - .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC, - {.sym = { - .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER, - {.cipher = { - .algo = RTE_CRYPTO_CIPHER_AES_GCM, - .block_size = 16, - .key_size = { - .min = 16, - .max = 32, - .increment = 16 }, .iv_size = { .min = 12, @@ -181,9 +166,9 @@ aesni_gcm_pmd_info_get(struct rte_cryptodev *dev, struct aesni_gcm_private *internals = dev->data->dev_private; if (dev_info != NULL) { - dev_info->dev_type = dev->dev_type; - dev_info->feature_flags = dev->feature_flags; - dev_info->capabilities = aesni_gcm_pmd_capabilities; + dev_info->driver_id = dev->driver_id; + dev_info->feature_flags = dev->feature_flags; + dev_info->capabilities = aesni_gcm_pmd_capabilities; dev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs; dev_info->sym.max_nb_sessions = internals->max_nb_sessions; @@ -244,9 +229,10 @@ aesni_gcm_pmd_qp_create_processed_pkts_ring(struct aesni_gcm_qp *qp, static int aesni_gcm_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id, const struct rte_cryptodev_qp_conf *qp_conf, - int socket_id) + int socket_id, struct rte_mempool *session_pool) { struct aesni_gcm_qp *qp = NULL; + struct aesni_gcm_private *internals = dev->data->dev_private; /* Free memory prior to re-allocation if needed. */ if (dev->data->queue_pairs[qp_id] != NULL) @@ -264,12 +250,14 @@ aesni_gcm_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id, if (aesni_gcm_pmd_qp_set_unique_name(dev, qp)) goto qp_setup_cleanup; + qp->ops = (const struct aesni_gcm_ops *)gcm_ops[internals->vector_mode]; + qp->processed_pkts = aesni_gcm_pmd_qp_create_processed_pkts_ring(qp, qp_conf->nb_descriptors, socket_id); if (qp->processed_pkts == NULL) goto qp_setup_cleanup; - qp->sess_mp = dev->data->session_pool; + qp->sess_mp = session_pool; memset(&qp->qp_stats, 0, sizeof(qp->qp_stats)); @@ -313,29 +301,57 @@ aesni_gcm_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused) } /** Configure a aesni gcm session from a crypto xform chain */ -static void * +static int aesni_gcm_pmd_session_configure(struct rte_cryptodev *dev __rte_unused, - struct rte_crypto_sym_xform *xform, void *sess) + struct rte_crypto_sym_xform *xform, + struct rte_cryptodev_sym_session *sess, + struct rte_mempool *mempool) { + void *sess_private_data; + int ret; + struct aesni_gcm_private *internals = dev->data->dev_private; + if (unlikely(sess == NULL)) { GCM_LOG_ERR("invalid session struct"); - return NULL; + return -EINVAL; } - if (aesni_gcm_set_session_parameters(sess, xform) != 0) { + if (rte_mempool_get(mempool, &sess_private_data)) { + CDEV_LOG_ERR( + "Couldn't get object from session mempool"); + return -ENOMEM; + } + ret = aesni_gcm_set_session_parameters(gcm_ops[internals->vector_mode], + sess_private_data, xform); + if (ret != 0) { GCM_LOG_ERR("failed configure session parameters"); - return NULL; + + /* Return session to mempool */ + rte_mempool_put(mempool, sess_private_data); + return ret; } - return sess; + set_session_private_data(sess, dev->driver_id, + sess_private_data); + + return 0; } /** Clear the memory of session so it doesn't leave key material behind */ static void -aesni_gcm_pmd_session_clear(struct rte_cryptodev *dev __rte_unused, void *sess) +aesni_gcm_pmd_session_clear(struct rte_cryptodev *dev, + struct rte_cryptodev_sym_session *sess) { - if (sess) - memset(sess, 0, sizeof(struct aesni_gcm_session)); + uint8_t index = dev->driver_id; + void *sess_priv = get_session_private_data(sess, index); + + /* Zero out the whole structure */ + if (sess_priv) { + memset(sess_priv, 0, sizeof(struct aesni_gcm_session)); + struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv); + set_session_private_data(sess, index, NULL); + rte_mempool_put(sess_mp, sess_priv); + } } struct rte_cryptodev_ops aesni_gcm_pmd_ops = { |