ceph/src/spdk/dpdk/lib/librte_ethdev/rte_mtr_driver.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Intel Corporation
   3  */
   4
   5 #ifndef __INCLUDE_RTE_MTR_DRIVER_H__
   6 #define __INCLUDE_RTE_MTR_DRIVER_H__
   7
   8 /**
   9  * @file
  10  * RTE Generic Traffic Metering and Policing API (Driver Side)
  11  *
  12  * This file provides implementation helpers for internal use by PMDs, they
  13  * are not intended to be exposed to applications and are not subject to ABI
  14  * versioning.
  15  */
  16
  17 #include <stdint.h>
  18
  19 #include <rte_errno.h>
  20 #include "rte_ethdev.h"
  21 #include "rte_mtr.h"
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif
  26
  27 typedef int (*rte_mtr_capabilities_get_t)(struct rte_eth_dev *dev,
  28         struct rte_mtr_capabilities *cap,
  29         struct rte_mtr_error *error);
  30 /**< @internal MTR capabilities get */
  31
  32 typedef int (*rte_mtr_meter_profile_add_t)(struct rte_eth_dev *dev,
  33         uint32_t meter_profile_id,
  34         struct rte_mtr_meter_profile *profile,
  35         struct rte_mtr_error *error);
  36 /**< @internal MTR meter profile add */
  37
  38 typedef int (*rte_mtr_meter_profile_delete_t)(struct rte_eth_dev *dev,
  39         uint32_t meter_profile_id,
  40         struct rte_mtr_error *error);
  41 /**< @internal MTR meter profile delete */
  42
  43 typedef int (*rte_mtr_create_t)(struct rte_eth_dev *dev,
  44         uint32_t mtr_id,
  45         struct rte_mtr_params *params,
  46         int shared,
  47         struct rte_mtr_error *error);
  48 /**< @internal MTR object create */
  49
  50 typedef int (*rte_mtr_destroy_t)(struct rte_eth_dev *dev,
  51         uint32_t mtr_id,
  52         struct rte_mtr_error *error);
  53 /**< @internal MTR object destroy */
  54
  55 typedef int (*rte_mtr_meter_enable_t)(struct rte_eth_dev *dev,
  56         uint32_t mtr_id,
  57         struct rte_mtr_error *error);
  58 /**< @internal MTR object meter enable */
  59
  60 typedef int (*rte_mtr_meter_disable_t)(struct rte_eth_dev *dev,
  61         uint32_t mtr_id,
  62         struct rte_mtr_error *error);
  63 /**< @internal MTR object meter disable */
  64
  65 typedef int (*rte_mtr_meter_profile_update_t)(struct rte_eth_dev *dev,
  66         uint32_t mtr_id,
  67         uint32_t meter_profile_id,
  68         struct rte_mtr_error *error);
  69 /**< @internal MTR object meter profile update */
  70
  71 typedef int (*rte_mtr_meter_dscp_table_update_t)(struct rte_eth_dev *dev,
  72         uint32_t mtr_id,
  73         enum rte_mtr_color *dscp_table,
  74         struct rte_mtr_error *error);
  75 /**< @internal MTR object meter DSCP table update */
  76
  77 typedef int (*rte_mtr_policer_actions_update_t)(struct rte_eth_dev *dev,
  78         uint32_t mtr_id,
  79         uint32_t action_mask,
  80         enum rte_mtr_policer_action *actions,
  81         struct rte_mtr_error *error);
  82 /**< @internal MTR object policer action update*/
  83
  84 typedef int (*rte_mtr_stats_update_t)(struct rte_eth_dev *dev,
  85         uint32_t mtr_id,
  86         uint64_t stats_mask,
  87         struct rte_mtr_error *error);
  88 /**< @internal MTR object enabled stats update */
  89
  90 typedef int (*rte_mtr_stats_read_t)(struct rte_eth_dev *dev,
  91         uint32_t mtr_id,
  92         struct rte_mtr_stats *stats,
  93         uint64_t *stats_mask,
  94         int clear,
  95         struct rte_mtr_error *error);
  96 /**< @internal MTR object stats read */
  97
  98 struct rte_mtr_ops {
  99         /** MTR capabilities get */
 100         rte_mtr_capabilities_get_t capabilities_get;
 101
 102         /** MTR meter profile add */
 103         rte_mtr_meter_profile_add_t meter_profile_add;
 104
 105         /** MTR meter profile delete */
 106         rte_mtr_meter_profile_delete_t meter_profile_delete;
 107
 108         /** MTR object create */
 109         rte_mtr_create_t create;
 110
 111         /** MTR object destroy */
 112         rte_mtr_destroy_t destroy;
 113
 114         /** MTR object meter enable */
 115         rte_mtr_meter_enable_t meter_enable;
 116
 117         /** MTR object meter disable */
 118         rte_mtr_meter_disable_t meter_disable;
 119
 120         /** MTR object meter profile update */
 121         rte_mtr_meter_profile_update_t meter_profile_update;
 122
 123         /** MTR object meter DSCP table update */
 124         rte_mtr_meter_dscp_table_update_t meter_dscp_table_update;
 125
 126         /** MTR object policer action update */
 127         rte_mtr_policer_actions_update_t policer_actions_update;
 128
 129         /** MTR object enabled stats update */
 130         rte_mtr_stats_update_t stats_update;
 131
 132         /** MTR object stats read */
 133         rte_mtr_stats_read_t stats_read;
 134 };
 135
 136 /**
 137  * Initialize generic error structure.
 138  *
 139  * This function also sets rte_errno to a given value.
 140  *
 141  * @param[out] error
 142  *   Pointer to error structure (may be NULL).
 143  * @param[in] code
 144  *   Related error code (rte_errno).
 145  * @param[in] type
 146  *   Cause field and error type.
 147  * @param[in] cause
 148  *   Object responsible for the error.
 149  * @param[in] message
 150  *   Human-readable error message.
 151  *
 152  * @return
 153  *   Error code.
 154  */
 155 static inline int
 156 rte_mtr_error_set(struct rte_mtr_error *error,
 157                    int code,
 158                    enum rte_mtr_error_type type,
 159                    const void *cause,
 160                    const char *message)
 161 {
 162         if (error) {
 163                 *error = (struct rte_mtr_error){
 164                         .type = type,
 165                         .cause = cause,
 166                         .message = message,
 167                 };
 168         }
 169         rte_errno = code;
 170         return code;
 171 }
 172
 173 /**
 174  * Get generic traffic metering and policing operations structure from a port
 175  *
 176  * @param[in] port_id
 177  *   The port identifier of the Ethernet device.
 178  * @param[out] error
 179  *   Error details
 180  *
 181  * @return
 182  *   The traffic metering and policing operations structure associated with
 183  *   port_id on success, NULL otherwise.
 184  */
 185 const struct rte_mtr_ops *
 186 rte_mtr_ops_get(uint16_t port_id, struct rte_mtr_error *error);
 187
 188 #ifdef __cplusplus
 189 }
 190 #endif
 191
 192 #endif /* __INCLUDE_RTE_MTR_DRIVER_H__ */