ceph/src/seastar/dpdk/lib/librte_ethdev/rte_tm_driver.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Intel Corporation
   3  */
   4
   5 #ifndef __INCLUDE_RTE_TM_DRIVER_H__
   6 #define __INCLUDE_RTE_TM_DRIVER_H__
   7
   8 /**
   9  * @file
  10  * RTE Generic Traffic Manager 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_tm.h"
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif
  26
  27 /** @internal Traffic manager node ID validate and type get */
  28 typedef int (*rte_tm_node_type_get_t)(struct rte_eth_dev *dev,
  29         uint32_t node_id,
  30         int *is_leaf,
  31         struct rte_tm_error *error);
  32
  33 /** @internal Traffic manager capabilities get */
  34 typedef int (*rte_tm_capabilities_get_t)(struct rte_eth_dev *dev,
  35         struct rte_tm_capabilities *cap,
  36         struct rte_tm_error *error);
  37
  38 /** @internal Traffic manager level capabilities get */
  39 typedef int (*rte_tm_level_capabilities_get_t)(struct rte_eth_dev *dev,
  40         uint32_t level_id,
  41         struct rte_tm_level_capabilities *cap,
  42         struct rte_tm_error *error);
  43
  44 /** @internal Traffic manager node capabilities get */
  45 typedef int (*rte_tm_node_capabilities_get_t)(struct rte_eth_dev *dev,
  46         uint32_t node_id,
  47         struct rte_tm_node_capabilities *cap,
  48         struct rte_tm_error *error);
  49
  50 /** @internal Traffic manager WRED profile add */
  51 typedef int (*rte_tm_wred_profile_add_t)(struct rte_eth_dev *dev,
  52         uint32_t wred_profile_id,
  53         struct rte_tm_wred_params *profile,
  54         struct rte_tm_error *error);
  55
  56 /** @internal Traffic manager WRED profile delete */
  57 typedef int (*rte_tm_wred_profile_delete_t)(struct rte_eth_dev *dev,
  58         uint32_t wred_profile_id,
  59         struct rte_tm_error *error);
  60
  61 /** @internal Traffic manager shared WRED context add */
  62 typedef int (*rte_tm_shared_wred_context_add_update_t)(
  63         struct rte_eth_dev *dev,
  64         uint32_t shared_wred_context_id,
  65         uint32_t wred_profile_id,
  66         struct rte_tm_error *error);
  67
  68 /** @internal Traffic manager shared WRED context delete */
  69 typedef int (*rte_tm_shared_wred_context_delete_t)(
  70         struct rte_eth_dev *dev,
  71         uint32_t shared_wred_context_id,
  72         struct rte_tm_error *error);
  73
  74 /** @internal Traffic manager shaper profile add */
  75 typedef int (*rte_tm_shaper_profile_add_t)(struct rte_eth_dev *dev,
  76         uint32_t shaper_profile_id,
  77         struct rte_tm_shaper_params *profile,
  78         struct rte_tm_error *error);
  79
  80 /** @internal Traffic manager shaper profile delete */
  81 typedef int (*rte_tm_shaper_profile_delete_t)(struct rte_eth_dev *dev,
  82         uint32_t shaper_profile_id,
  83         struct rte_tm_error *error);
  84
  85 /** @internal Traffic manager shared shaper add/update */
  86 typedef int (*rte_tm_shared_shaper_add_update_t)(struct rte_eth_dev *dev,
  87         uint32_t shared_shaper_id,
  88         uint32_t shaper_profile_id,
  89         struct rte_tm_error *error);
  90
  91 /** @internal Traffic manager shared shaper delete */
  92 typedef int (*rte_tm_shared_shaper_delete_t)(struct rte_eth_dev *dev,
  93         uint32_t shared_shaper_id,
  94         struct rte_tm_error *error);
  95
  96 /** @internal Traffic manager node add */
  97 typedef int (*rte_tm_node_add_t)(struct rte_eth_dev *dev,
  98         uint32_t node_id,
  99         uint32_t parent_node_id,
 100         uint32_t priority,
 101         uint32_t weight,
 102         uint32_t level_id,
 103         struct rte_tm_node_params *params,
 104         struct rte_tm_error *error);
 105
 106 /** @internal Traffic manager node delete */
 107 typedef int (*rte_tm_node_delete_t)(struct rte_eth_dev *dev,
 108         uint32_t node_id,
 109         struct rte_tm_error *error);
 110
 111 /** @internal Traffic manager node suspend */
 112 typedef int (*rte_tm_node_suspend_t)(struct rte_eth_dev *dev,
 113         uint32_t node_id,
 114         struct rte_tm_error *error);
 115
 116 /** @internal Traffic manager node resume */
 117 typedef int (*rte_tm_node_resume_t)(struct rte_eth_dev *dev,
 118         uint32_t node_id,
 119         struct rte_tm_error *error);
 120
 121 /** @internal Traffic manager hierarchy commit */
 122 typedef int (*rte_tm_hierarchy_commit_t)(struct rte_eth_dev *dev,
 123         int clear_on_fail,
 124         struct rte_tm_error *error);
 125
 126 /** @internal Traffic manager node parent update */
 127 typedef int (*rte_tm_node_parent_update_t)(struct rte_eth_dev *dev,
 128         uint32_t node_id,
 129         uint32_t parent_node_id,
 130         uint32_t priority,
 131         uint32_t weight,
 132         struct rte_tm_error *error);
 133
 134 /** @internal Traffic manager node shaper update */
 135 typedef int (*rte_tm_node_shaper_update_t)(struct rte_eth_dev *dev,
 136         uint32_t node_id,
 137         uint32_t shaper_profile_id,
 138         struct rte_tm_error *error);
 139
 140 /** @internal Traffic manager node shaper update */
 141 typedef int (*rte_tm_node_shared_shaper_update_t)(struct rte_eth_dev *dev,
 142         uint32_t node_id,
 143         uint32_t shared_shaper_id,
 144         int32_t add,
 145         struct rte_tm_error *error);
 146
 147 /** @internal Traffic manager node stats update */
 148 typedef int (*rte_tm_node_stats_update_t)(struct rte_eth_dev *dev,
 149         uint32_t node_id,
 150         uint64_t stats_mask,
 151         struct rte_tm_error *error);
 152
 153 /** @internal Traffic manager node WFQ weight mode update */
 154 typedef int (*rte_tm_node_wfq_weight_mode_update_t)(
 155         struct rte_eth_dev *dev,
 156         uint32_t node_id,
 157         int *wfq_weight_mode,
 158         uint32_t n_sp_priorities,
 159         struct rte_tm_error *error);
 160
 161 /** @internal Traffic manager node congestion management mode update */
 162 typedef int (*rte_tm_node_cman_update_t)(struct rte_eth_dev *dev,
 163         uint32_t node_id,
 164         enum rte_tm_cman_mode cman,
 165         struct rte_tm_error *error);
 166
 167 /** @internal Traffic manager node WRED context update */
 168 typedef int (*rte_tm_node_wred_context_update_t)(
 169         struct rte_eth_dev *dev,
 170         uint32_t node_id,
 171         uint32_t wred_profile_id,
 172         struct rte_tm_error *error);
 173
 174 /** @internal Traffic manager node WRED context update */
 175 typedef int (*rte_tm_node_shared_wred_context_update_t)(
 176         struct rte_eth_dev *dev,
 177         uint32_t node_id,
 178         uint32_t shared_wred_context_id,
 179         int add,
 180         struct rte_tm_error *error);
 181
 182 /** @internal Traffic manager read stats counters for specific node */
 183 typedef int (*rte_tm_node_stats_read_t)(struct rte_eth_dev *dev,
 184         uint32_t node_id,
 185         struct rte_tm_node_stats *stats,
 186         uint64_t *stats_mask,
 187         int clear,
 188         struct rte_tm_error *error);
 189
 190 /** @internal Traffic manager packet marking - VLAN DEI */
 191 typedef int (*rte_tm_mark_vlan_dei_t)(struct rte_eth_dev *dev,
 192         int mark_green,
 193         int mark_yellow,
 194         int mark_red,
 195         struct rte_tm_error *error);
 196
 197 /** @internal Traffic manager packet marking - IPv4/IPv6 ECN */
 198 typedef int (*rte_tm_mark_ip_ecn_t)(struct rte_eth_dev *dev,
 199         int mark_green,
 200         int mark_yellow,
 201         int mark_red,
 202         struct rte_tm_error *error);
 203
 204 /** @internal Traffic manager packet marking - IPv4/IPv6 DSCP */
 205 typedef int (*rte_tm_mark_ip_dscp_t)(struct rte_eth_dev *dev,
 206         int mark_green,
 207         int mark_yellow,
 208         int mark_red,
 209         struct rte_tm_error *error);
 210
 211 struct rte_tm_ops {
 212         /** Traffic manager node type get */
 213         rte_tm_node_type_get_t node_type_get;
 214
 215         /** Traffic manager capabilities_get */
 216         rte_tm_capabilities_get_t capabilities_get;
 217         /** Traffic manager level capabilities_get */
 218         rte_tm_level_capabilities_get_t level_capabilities_get;
 219         /** Traffic manager node capabilities get */
 220         rte_tm_node_capabilities_get_t node_capabilities_get;
 221
 222         /** Traffic manager WRED profile add */
 223         rte_tm_wred_profile_add_t wred_profile_add;
 224         /** Traffic manager WRED profile delete */
 225         rte_tm_wred_profile_delete_t wred_profile_delete;
 226         /** Traffic manager shared WRED context add/update */
 227         rte_tm_shared_wred_context_add_update_t
 228                 shared_wred_context_add_update;
 229         /** Traffic manager shared WRED context delete */
 230         rte_tm_shared_wred_context_delete_t
 231                 shared_wred_context_delete;
 232
 233         /** Traffic manager shaper profile add */
 234         rte_tm_shaper_profile_add_t shaper_profile_add;
 235         /** Traffic manager shaper profile delete */
 236         rte_tm_shaper_profile_delete_t shaper_profile_delete;
 237         /** Traffic manager shared shaper add/update */
 238         rte_tm_shared_shaper_add_update_t shared_shaper_add_update;
 239         /** Traffic manager shared shaper delete */
 240         rte_tm_shared_shaper_delete_t shared_shaper_delete;
 241
 242         /** Traffic manager node add */
 243         rte_tm_node_add_t node_add;
 244         /** Traffic manager node delete */
 245         rte_tm_node_delete_t node_delete;
 246         /** Traffic manager node suspend */
 247         rte_tm_node_suspend_t node_suspend;
 248         /** Traffic manager node resume */
 249         rte_tm_node_resume_t node_resume;
 250         /** Traffic manager hierarchy commit */
 251         rte_tm_hierarchy_commit_t hierarchy_commit;
 252
 253         /** Traffic manager node parent update */
 254         rte_tm_node_parent_update_t node_parent_update;
 255         /** Traffic manager node shaper update */
 256         rte_tm_node_shaper_update_t node_shaper_update;
 257         /** Traffic manager node shared shaper update */
 258         rte_tm_node_shared_shaper_update_t node_shared_shaper_update;
 259         /** Traffic manager node stats update */
 260         rte_tm_node_stats_update_t node_stats_update;
 261         /** Traffic manager node WFQ weight mode update */
 262         rte_tm_node_wfq_weight_mode_update_t node_wfq_weight_mode_update;
 263         /** Traffic manager node congestion management mode update */
 264         rte_tm_node_cman_update_t node_cman_update;
 265         /** Traffic manager node WRED context update */
 266         rte_tm_node_wred_context_update_t node_wred_context_update;
 267         /** Traffic manager node shared WRED context update */
 268         rte_tm_node_shared_wred_context_update_t
 269                 node_shared_wred_context_update;
 270         /** Traffic manager read statistics counters for current node */
 271         rte_tm_node_stats_read_t node_stats_read;
 272
 273         /** Traffic manager packet marking - VLAN DEI */
 274         rte_tm_mark_vlan_dei_t mark_vlan_dei;
 275         /** Traffic manager packet marking - IPv4/IPv6 ECN */
 276         rte_tm_mark_ip_ecn_t mark_ip_ecn;
 277         /** Traffic manager packet marking - IPv4/IPv6 DSCP */
 278         rte_tm_mark_ip_dscp_t mark_ip_dscp;
 279 };
 280
 281 /**
 282  * Initialize generic error structure.
 283  *
 284  * This function also sets rte_errno to a given value.
 285  *
 286  * @param[out] error
 287  *   Pointer to error structure (may be NULL).
 288  * @param[in] code
 289  *   Related error code (rte_errno).
 290  * @param[in] type
 291  *   Cause field and error type.
 292  * @param[in] cause
 293  *   Object responsible for the error.
 294  * @param[in] message
 295  *   Human-readable error message.
 296  *
 297  * @return
 298  *   Error code.
 299  */
 300 static inline int
 301 rte_tm_error_set(struct rte_tm_error *error,
 302                    int code,
 303                    enum rte_tm_error_type type,
 304                    const void *cause,
 305                    const char *message)
 306 {
 307         if (error) {
 308                 *error = (struct rte_tm_error){
 309                         .type = type,
 310                         .cause = cause,
 311                         .message = message,
 312                 };
 313         }
 314         rte_errno = code;
 315         return code;
 316 }
 317
 318 /**
 319  * Get generic traffic manager operations structure from a port
 320  *
 321  * @param[in] port_id
 322  *   The port identifier of the Ethernet device.
 323  * @param[out] error
 324  *   Error details
 325  *
 326  * @return
 327  *   The traffic manager operations structure associated with port_id on
 328  *   success, NULL otherwise.
 329  */
 330 const struct rte_tm_ops *
 331 rte_tm_ops_get(uint16_t port_id, struct rte_tm_error *error);
 332
 333 #ifdef __cplusplus
 334 }
 335 #endif
 336
 337 #endif /* __INCLUDE_RTE_TM_DRIVER_H__ */