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Signed-off-by: Zhangfei Gao --- drivers/crypto/uadk/uadk_crypto_pmd.c | 213 ++++++++++++++++++++++++-- 1 file changed, 204 insertions(+), 9 deletions(-) diff --git a/drivers/crypto/uadk/uadk_crypto_pmd.c b/drivers/crypto/uadk/uadk_crypto_pmd.c index 5c2e6d8f40..d6d9f26337 100644 --- a/drivers/crypto/uadk/uadk_crypto_pmd.c +++ b/drivers/crypto/uadk/uadk_crypto_pmd.c @@ -10,6 +10,25 @@ #include #include +/* Maximum length for digest (SHA-512 needs 64 bytes) */ +#define DIGEST_LENGTH_MAX 64 + +struct uadk_qp { + /* Ring for placing process packets */ + struct rte_ring *processed_pkts; + /* Queue pair statistics */ + struct rte_cryptodev_stats qp_stats; + /* Queue Pair Identifier */ + uint16_t id; + /* Unique Queue Pair Name */ + char name[RTE_CRYPTODEV_NAME_MAX_LEN]; + /* Buffer used to store the digest generated + * by the driver when verifying a digest provided + * by the user (using authentication verify operation) + */ + uint8_t temp_digest[DIGEST_LENGTH_MAX]; +} __rte_cache_aligned; + enum uadk_crypto_version { UADK_CRYPTO_V2, UADK_CRYPTO_V3, @@ -28,16 +47,192 @@ RTE_LOG_REGISTER_DEFAULT(uadk_crypto_logtype, INFO); "%s() line %u: " fmt "\n", __func__, __LINE__, \ ## __VA_ARGS__) +static const struct rte_cryptodev_capabilities uadk_crypto_v2_capabilities[] = { + /* End of capabilities */ + RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST() +}; + +/* Configure device */ +static int +uadk_crypto_pmd_config(struct rte_cryptodev *dev __rte_unused, + struct rte_cryptodev_config *config __rte_unused) +{ + return 0; +} + +/* Start device */ +static int +uadk_crypto_pmd_start(struct rte_cryptodev *dev __rte_unused) +{ + return 0; +} + +/* Stop device */ +static void +uadk_crypto_pmd_stop(struct rte_cryptodev *dev __rte_unused) +{ +} + +/* Close device */ +static int +uadk_crypto_pmd_close(struct rte_cryptodev *dev __rte_unused) +{ + return 0; +} + +/* Get device statistics */ +static void +uadk_crypto_pmd_stats_get(struct rte_cryptodev *dev, + struct rte_cryptodev_stats *stats) +{ + int qp_id; + + for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) { + struct uadk_qp *qp = dev->data->queue_pairs[qp_id]; + + stats->enqueued_count += qp->qp_stats.enqueued_count; + stats->dequeued_count += qp->qp_stats.dequeued_count; + stats->enqueue_err_count += qp->qp_stats.enqueue_err_count; + stats->dequeue_err_count += qp->qp_stats.dequeue_err_count; + } +} + +/* Reset device statistics */ +static void +uadk_crypto_pmd_stats_reset(struct rte_cryptodev *dev __rte_unused) +{ + int qp_id; + + for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) { + struct uadk_qp *qp = dev->data->queue_pairs[qp_id]; + + memset(&qp->qp_stats, 0, sizeof(qp->qp_stats)); + } +} + +/* Get device info */ +static void +uadk_crypto_pmd_info_get(struct rte_cryptodev *dev, + struct rte_cryptodev_info *dev_info) +{ + struct uadk_crypto_priv *priv = dev->data->dev_private; + + if (dev_info != NULL) { + dev_info->driver_id = dev->driver_id; + dev_info->driver_name = dev->device->driver->name; + dev_info->max_nb_queue_pairs = 128; + /* No limit of number of sessions */ + dev_info->sym.max_nb_sessions = 0; + dev_info->feature_flags = dev->feature_flags; + + if (priv->version == UADK_CRYPTO_V2) + dev_info->capabilities = uadk_crypto_v2_capabilities; + } +} + +/* Release queue pair */ +static int +uadk_crypto_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id) +{ + struct uadk_qp *qp = dev->data->queue_pairs[qp_id]; + + if (qp) { + rte_ring_free(qp->processed_pkts); + rte_free(qp); + dev->data->queue_pairs[qp_id] = NULL; + } + + return 0; +} + +/* set a unique name for the queue pair based on its name, dev_id and qp_id */ +static int +uadk_pmd_qp_set_unique_name(struct rte_cryptodev *dev, + struct uadk_qp *qp) +{ + unsigned int n = snprintf(qp->name, sizeof(qp->name), + "uadk_crypto_pmd_%u_qp_%u", + dev->data->dev_id, qp->id); + + if (n >= sizeof(qp->name)) + return -EINVAL; + + return 0; +} + +/* Create a ring to place process packets on */ +static struct rte_ring * +uadk_pmd_qp_create_processed_pkts_ring(struct uadk_qp *qp, + unsigned int ring_size, int socket_id) +{ + struct rte_ring *r = qp->processed_pkts; + + if (r) { + if (rte_ring_get_size(r) >= ring_size) { + UADK_LOG(INFO, "Reusing existing ring %s for processed packets", + qp->name); + return r; + } + + UADK_LOG(ERR, "Unable to reuse existing ring %s for processed packets", + qp->name); + return NULL; + } + + return rte_ring_create(qp->name, ring_size, socket_id, + RING_F_EXACT_SZ); +} + +static int +uadk_crypto_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id, + const struct rte_cryptodev_qp_conf *qp_conf, + int socket_id) +{ + struct uadk_qp *qp; + + /* Free memory prior to re-allocation if needed. */ + if (dev->data->queue_pairs[qp_id] != NULL) + uadk_crypto_pmd_qp_release(dev, qp_id); + + /* Allocate the queue pair data structure. */ + qp = rte_zmalloc_socket("uadk PMD Queue Pair", sizeof(*qp), + RTE_CACHE_LINE_SIZE, socket_id); + if (qp == NULL) + return (-ENOMEM); + + qp->id = qp_id; + dev->data->queue_pairs[qp_id] = qp; + + if (uadk_pmd_qp_set_unique_name(dev, qp)) + goto qp_setup_cleanup; + + qp->processed_pkts = uadk_pmd_qp_create_processed_pkts_ring(qp, + qp_conf->nb_descriptors, socket_id); + if (qp->processed_pkts == NULL) + goto qp_setup_cleanup; + + memset(&qp->qp_stats, 0, sizeof(qp->qp_stats)); + + return 0; + +qp_setup_cleanup: + if (qp) { + rte_free(qp); + qp = NULL; + } + return -EINVAL; +} + static struct rte_cryptodev_ops uadk_crypto_pmd_ops = { - .dev_configure = NULL, - .dev_start = NULL, - .dev_stop = NULL, - .dev_close = NULL, - .stats_get = NULL, - .stats_reset = NULL, - .dev_infos_get = NULL, - .queue_pair_setup = NULL, - .queue_pair_release = NULL, + .dev_configure = uadk_crypto_pmd_config, + .dev_start = uadk_crypto_pmd_start, + .dev_stop = uadk_crypto_pmd_stop, + .dev_close = uadk_crypto_pmd_close, + .stats_get = uadk_crypto_pmd_stats_get, + .stats_reset = uadk_crypto_pmd_stats_reset, + .dev_infos_get = uadk_crypto_pmd_info_get, + .queue_pair_setup = uadk_crypto_pmd_qp_setup, + .queue_pair_release = uadk_crypto_pmd_qp_release, .sym_session_get_size = NULL, .sym_session_configure = NULL, .sym_session_clear = NULL,