diff options
Diffstat (limited to 'drivers/crypto/null/null_crypto_pmd.c')
| -rw-r--r-- | drivers/crypto/null/null_crypto_pmd.c | 71 |
1 files changed, 48 insertions, 23 deletions
diff --git a/drivers/crypto/null/null_crypto_pmd.c b/drivers/crypto/null/null_crypto_pmd.c index 023450a3..2c827257 100644 --- a/drivers/crypto/null/null_crypto_pmd.c +++ b/drivers/crypto/null/null_crypto_pmd.c @@ -1,7 +1,7 @@ /*- * BSD LICENSE * - * Copyright(c) 2016 Intel Corporation. All rights reserved. + * Copyright(c) 2016-2017 Intel Corporation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -33,11 +33,14 @@ #include <rte_common.h> #include <rte_config.h> #include <rte_cryptodev_pmd.h> +#include <rte_cryptodev_vdev.h> #include <rte_vdev.h> #include <rte_malloc.h> #include "null_crypto_pmd_private.h" +static uint8_t cryptodev_driver_id; + /** verify and set session parameters */ int null_crypto_set_session_parameters( @@ -45,7 +48,7 @@ null_crypto_set_session_parameters( const struct rte_crypto_sym_xform *xform) { if (xform == NULL) { - return -1; + return -EINVAL; } else if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH && xform->next == NULL) { /* Authentication Only */ @@ -70,7 +73,7 @@ null_crypto_set_session_parameters( return 0; } - return -1; + return -ENOTSUP; } /** Process crypto operation for mbuf */ @@ -81,6 +84,14 @@ process_op(const struct null_crypto_qp *qp, struct rte_crypto_op *op, /* set status as successful by default */ op->status = RTE_CRYPTO_OP_STATUS_SUCCESS; + /* Free session if a session-less crypto op. */ + if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) { + memset(op->sym->session, 0, + sizeof(struct null_crypto_session)); + rte_cryptodev_sym_session_free(op->sym->session); + op->sym->session = NULL; + } + /* * if crypto session and operation are valid just enqueue the packet * in the processed ring @@ -89,26 +100,37 @@ process_op(const struct null_crypto_qp *qp, struct rte_crypto_op *op, } static struct null_crypto_session * -get_session(struct null_crypto_qp *qp, struct rte_crypto_sym_op *op) +get_session(struct null_crypto_qp *qp, struct rte_crypto_op *op) { - struct null_crypto_session *sess; - - if (op->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) { - if (unlikely(op->session == NULL || - op->session->dev_type != RTE_CRYPTODEV_NULL_PMD)) + struct null_crypto_session *sess = NULL; + struct rte_crypto_sym_op *sym_op = op->sym; + + if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) { + if (likely(sym_op->session != NULL)) + sess = (struct null_crypto_session *) + get_session_private_data( + sym_op->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 null_crypto_session *)op->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 null_crypto_session *)c_sess->_private; - - if (null_crypto_set_session_parameters(sess, op->xform) != 0) - return NULL; + sess = (struct null_crypto_session *)_sess_private_data; + + if (unlikely(null_crypto_set_session_parameters(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); } return sess; @@ -125,7 +147,7 @@ null_crypto_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops, int i, retval; for (i = 0; i < nb_ops; i++) { - sess = get_session(qp, ops[i]->sym); + sess = get_session(qp, ops[i]); if (unlikely(sess == NULL)) goto enqueue_err; @@ -166,6 +188,7 @@ static int cryptodev_null_remove(const char *name); /** Create crypto device */ static int cryptodev_null_create(const char *name, + struct rte_vdev_device *vdev, struct rte_crypto_vdev_init_params *init_params) { struct rte_cryptodev *dev; @@ -175,15 +198,16 @@ cryptodev_null_create(const char *name, snprintf(init_params->name, sizeof(init_params->name), "%s", name); - dev = rte_cryptodev_pmd_virtual_dev_init(init_params->name, + dev = rte_cryptodev_vdev_pmd_init(init_params->name, sizeof(struct null_crypto_private), - init_params->socket_id); + init_params->socket_id, + vdev); if (dev == NULL) { NULL_CRYPTO_LOG_ERR("failed to create cryptodev vdev"); goto init_error; } - dev->dev_type = RTE_CRYPTODEV_NULL_PMD; + dev->driver_id = cryptodev_driver_id; dev->dev_ops = null_crypto_pmd_ops; /* register rx/tx burst functions for data path */ @@ -235,7 +259,7 @@ cryptodev_null_probe(struct rte_vdev_device *dev) RTE_LOG(INFO, PMD, " Max number of sessions = %d\n", init_params.max_nb_sessions); - return cryptodev_null_create(name, &init_params); + return cryptodev_null_create(name, dev, &init_params); } /** Uninitialise null crypto device */ @@ -268,3 +292,4 @@ RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_NULL_PMD, "max_nb_queue_pairs=<int> " "max_nb_sessions=<int> " "socket_id=<int>"); +RTE_PMD_REGISTER_CRYPTO_DRIVER(cryptodev_null_pmd_drv, cryptodev_driver_id); |