ceph/src/spdk/dpdk/lib/librte_security/rte_security_driver.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2017 NXP.
   3  * Copyright(c) 2017 Intel Corporation.
   4  */
   5
   6 #ifndef _RTE_SECURITY_DRIVER_H_
   7 #define _RTE_SECURITY_DRIVER_H_
   8
   9 /**
  10  * @file rte_security_driver.h
  11  * @b EXPERIMENTAL: this API may change without prior notice
  12  *
  13  * RTE Security Common Definitions
  14  *
  15  */
  16
  17 #ifdef __cplusplus
  18 extern "C" {
  19 #endif
  20
  21 #include "rte_security.h"
  22
  23 /**
  24  * Configure a security session on a device.
  25  *
  26  * @param       device          Crypto/eth device pointer
  27  * @param       conf            Security session configuration
  28  * @param       sess            Pointer to Security private session structure
  29  * @param       mp              Mempool where the private session is allocated
  30  *
  31  * @return
  32  *  - Returns 0 if private session structure have been created successfully.
  33  *  - Returns -EINVAL if input parameters are invalid.
  34  *  - Returns -ENOTSUP if crypto device does not support the crypto transform.
  35  *  - Returns -ENOMEM if the private session could not be allocated.
  36  */
  37 typedef int (*security_session_create_t)(void *device,
  38                 struct rte_security_session_conf *conf,
  39                 struct rte_security_session *sess,
  40                 struct rte_mempool *mp);
  41
  42 /**
  43  * Free driver private session data.
  44  *
  45  * @param       dev             Crypto/eth device pointer
  46  * @param       sess            Security session structure
  47  */
  48 typedef int (*security_session_destroy_t)(void *device,
  49                 struct rte_security_session *sess);
  50
  51 /**
  52  * Update driver private session data.
  53  *
  54  * @param       device          Crypto/eth device pointer
  55  * @param       sess            Pointer to Security private session structure
  56  * @param       conf            Security session configuration
  57  *
  58  * @return
  59  *  - Returns 0 if private session structure have been updated successfully.
  60  *  - Returns -EINVAL if input parameters are invalid.
  61  *  - Returns -ENOTSUP if crypto device does not support the crypto transform.
  62  */
  63 typedef int (*security_session_update_t)(void *device,
  64                 struct rte_security_session *sess,
  65                 struct rte_security_session_conf *conf);
  66
  67 /**
  68  * Get the size of a security session
  69  *
  70  * @param       device          Crypto/eth device pointer
  71  *
  72  * @return
  73  *  - On success returns the size of the session structure for device
  74  *  - On failure returns 0
  75  */
  76 typedef unsigned int (*security_session_get_size)(void *device);
  77
  78 /**
  79  * Get stats from the PMD.
  80  *
  81  * @param       device          Crypto/eth device pointer
  82  * @param       sess            Pointer to Security private session structure
  83  * @param       stats           Security stats of the driver
  84  *
  85  * @return
  86  *  - Returns 0 if private session structure have been updated successfully.
  87  *  - Returns -EINVAL if session parameters are invalid.
  88  */
  89 typedef int (*security_session_stats_get_t)(void *device,
  90                 struct rte_security_session *sess,
  91                 struct rte_security_stats *stats);
  92
  93 /**
  94  * Update the mbuf with provided metadata.
  95  *
  96  * @param       sess            Security session structure
  97  * @param       mb              Packet buffer
  98  * @param       mt              Metadata
  99  *
 100  * @return
 101  *  - Returns 0 if metadata updated successfully.
 102  *  - Returns -ve value for errors.
 103  */
 104 typedef int (*security_set_pkt_metadata_t)(void *device,
 105                 struct rte_security_session *sess, struct rte_mbuf *m,
 106                 void *params);
 107
 108 /**
 109  * Get application specific userdata associated with the security session.
 110  * Device specific metadata provided would be used to uniquely identify
 111  * the security session being referred to.
 112  *
 113  * @param       device          Crypto/eth device pointer
 114  * @param       md              Metadata
 115  * @param       userdata        Pointer to receive userdata
 116  *
 117  * @return
 118  *  - Returns 0 if userdata is retrieved successfully.
 119  *  - Returns -ve value for errors.
 120  */
 121 typedef int (*security_get_userdata_t)(void *device,
 122                 uint64_t md, void **userdata);
 123
 124 /**
 125  * Get security capabilities of the device.
 126  *
 127  * @param       device          crypto/eth device pointer
 128  *
 129  * @return
 130  *  - Returns rte_security_capability pointer on success.
 131  *  - Returns NULL on error.
 132  */
 133 typedef const struct rte_security_capability *(*security_capabilities_get_t)(
 134                 void *device);
 135
 136 /** Security operations function pointer table */
 137 struct rte_security_ops {
 138         security_session_create_t session_create;
 139         /**< Configure a security session. */
 140         security_session_update_t session_update;
 141         /**< Update a security session. */
 142         security_session_get_size session_get_size;
 143         /**< Return size of security session. */
 144         security_session_stats_get_t session_stats_get;
 145         /**< Get security session statistics. */
 146         security_session_destroy_t session_destroy;
 147         /**< Clear a security sessions private data. */
 148         security_set_pkt_metadata_t set_pkt_metadata;
 149         /**< Update mbuf metadata. */
 150         security_get_userdata_t get_userdata;
 151         /**< Get userdata associated with session which processed the packet. */
 152         security_capabilities_get_t capabilities_get;
 153         /**< Get security capabilities. */
 154 };
 155
 156 #ifdef __cplusplus
 157 }
 158 #endif
 159
 160 #endif /* _RTE_SECURITY_DRIVER_H_ */