f38913b7fb
Meter arrays are stateful objects that are updated by the data plane and configured & monitored by the control plane. The meters implement the RFC 2698 Two Rate Three Color Marker (trTCM) algorithm. Signed-off-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
809 lines
19 KiB
C
809 lines
19 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2020 Intel Corporation
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*/
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#ifndef __INCLUDE_RTE_SWX_CTL_H__
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#define __INCLUDE_RTE_SWX_CTL_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @file
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* RTE SWX Pipeline Control
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*/
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <rte_compat.h>
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#include <rte_meter.h>
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#include "rte_swx_port.h"
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#include "rte_swx_table.h"
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struct rte_swx_pipeline;
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/** Name size. */
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#ifndef RTE_SWX_CTL_NAME_SIZE
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#define RTE_SWX_CTL_NAME_SIZE 64
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#endif
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/*
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* Pipeline Query API.
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*/
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/** Pipeline info. */
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struct rte_swx_ctl_pipeline_info {
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/** Number of input ports. */
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uint32_t n_ports_in;
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/** Number of input ports. */
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uint32_t n_ports_out;
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/** Number of actions. */
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uint32_t n_actions;
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/** Number of tables. */
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uint32_t n_tables;
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/** Number of register arrays. */
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uint32_t n_regarrays;
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/** Number of meter arrays. */
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uint32_t n_metarrays;
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};
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/**
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* Pipeline info get
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*
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* @param[in] p
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* Pipeline handle.
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* @param[out] pipeline
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* Pipeline info.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_ctl_pipeline_info_get(struct rte_swx_pipeline *p,
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struct rte_swx_ctl_pipeline_info *pipeline);
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/**
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* Pipeline NUMA node get
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*
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* @param[in] p
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* Pipeline handle.
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* @param[out] numa_node
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* Pipeline NUMA node.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_ctl_pipeline_numa_node_get(struct rte_swx_pipeline *p,
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int *numa_node);
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/*
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* Ports Query API.
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*/
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/**
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* Input port statistics counters read
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*
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* @param[in] p
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* Pipeline handle.
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* @param[in] port_id
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* Port ID (0 .. *n_ports_in* - 1).
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* @param[out] stats
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* Input port stats.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_ctl_pipeline_port_in_stats_read(struct rte_swx_pipeline *p,
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uint32_t port_id,
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struct rte_swx_port_in_stats *stats);
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/**
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* Output port statistics counters read
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*
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* @param[in] p
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* Pipeline handle.
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* @param[in] port_id
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* Port ID (0 .. *n_ports_out* - 1).
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* @param[out] stats
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* Output port stats.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_ctl_pipeline_port_out_stats_read(struct rte_swx_pipeline *p,
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uint32_t port_id,
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struct rte_swx_port_out_stats *stats);
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/*
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* Action Query API.
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*/
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/** Action info. */
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struct rte_swx_ctl_action_info {
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/** Action name. */
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char name[RTE_SWX_CTL_NAME_SIZE];
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/** Number of action arguments. */
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uint32_t n_args;
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};
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/**
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* Action info get
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*
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* @param[in] p
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* Pipeline handle.
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* @param[in] action_id
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* Action ID (0 .. *n_actions* - 1).
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* @param[out] action
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* Action info.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_ctl_action_info_get(struct rte_swx_pipeline *p,
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uint32_t action_id,
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struct rte_swx_ctl_action_info *action);
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/** Action argument info. */
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struct rte_swx_ctl_action_arg_info {
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/** Action argument name. */
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char name[RTE_SWX_CTL_NAME_SIZE];
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/** Action argument size (in bits). */
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uint32_t n_bits;
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};
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/**
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* Action argument info get
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*
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* @param[in] p
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* Pipeline handle.
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* @param[in] action_id
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* Action ID (0 .. *n_actions* - 1).
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* @param[in] action_arg_id
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* Action ID (0 .. *n_args* - 1).
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* @param[out] action_arg
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* Action argument info.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_ctl_action_arg_info_get(struct rte_swx_pipeline *p,
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uint32_t action_id,
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uint32_t action_arg_id,
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struct rte_swx_ctl_action_arg_info *action_arg);
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/*
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* Table Query API.
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*/
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/** Table info. */
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struct rte_swx_ctl_table_info {
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/** Table name. */
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char name[RTE_SWX_CTL_NAME_SIZE];
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/** Table creation arguments. */
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char args[RTE_SWX_CTL_NAME_SIZE];
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/** Number of match fields. */
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uint32_t n_match_fields;
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/** Number of actions. */
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uint32_t n_actions;
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/** Non-zero (true) when the default action is constant, therefore it
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* cannot be changed; zero (false) when the default action not constant,
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* therefore it can be changed.
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*/
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int default_action_is_const;
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/** Table size parameter. */
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uint32_t size;
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};
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/**
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* Table info get
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*
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* @param[in] p
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* Pipeline handle.
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* @param[in] table_id
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* Table ID (0 .. *n_tables* - 1).
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* @param[out] table
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* Table info.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_ctl_table_info_get(struct rte_swx_pipeline *p,
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uint32_t table_id,
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struct rte_swx_ctl_table_info *table);
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/** Table match field info.
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*
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* If (n_bits, offset) are known for all the match fields of the table, then the
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* table (key_offset, key_size, key_mask0) can be computed.
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*/
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struct rte_swx_ctl_table_match_field_info {
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/** Match type of the current match field. */
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enum rte_swx_table_match_type match_type;
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/** Non-zero (true) when the current match field is part of a registered
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* header, zero (false) when it is part of the registered meta-data.
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*/
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int is_header;
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/** Match field size (in bits). */
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uint32_t n_bits;
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/** Match field offset within its parent struct (one of the headers or
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* the meta-data).
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*/
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uint32_t offset;
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};
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/**
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* Table match field info get
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*
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* @param[in] p
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* Pipeline handle.
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* @param[in] table_id
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* Table ID (0 .. *n_tables*).
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* @param[in] match_field_id
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* Match field ID (0 .. *n_match_fields* - 1).
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* @param[out] match_field
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* Table match field info.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_ctl_table_match_field_info_get(struct rte_swx_pipeline *p,
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uint32_t table_id,
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uint32_t match_field_id,
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struct rte_swx_ctl_table_match_field_info *match_field);
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/** Table action info. */
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struct rte_swx_ctl_table_action_info {
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/** Action ID. */
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uint32_t action_id;
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};
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/**
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* Table action info get
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*
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* @param[in] p
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* Pipeline handle.
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* @param[in] table_id
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* Table ID (0 .. *n_tables*).
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* @param[in] table_action_id
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* Action index within the set of table actions (0 .. table n_actions - 1).
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* Not to be confused with the action ID, which works at the pipeline level
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* (0 .. pipeline n_actions - 1), which is precisely what this function
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* returns as part of *table_action*.
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* @param[out] table_action
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* Table action info.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_ctl_table_action_info_get(struct rte_swx_pipeline *p,
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uint32_t table_id,
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uint32_t table_action_id,
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struct rte_swx_ctl_table_action_info *table_action);
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/**
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* Table operations get
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*
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* @param[in] p
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* Pipeline handle.
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* @param[in] table_id
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* Table ID (0 .. *n_tables*).
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* @param[out] table_ops
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* Table operations. Only valid when function returns success and *is_stub* is
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* zero (false).
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* @param[out] is_stub
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* A stub table is a table with no match fields. No "regular" table entries
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* (i.e. entries other than the default entry) can be added to such a table,
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* therefore the lookup operation always results in lookup miss. Non-zero
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* (true) when the current table is a stub table, zero (false) otherwise.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_ctl_table_ops_get(struct rte_swx_pipeline *p,
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uint32_t table_id,
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struct rte_swx_table_ops *table_ops,
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int *is_stub);
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/*
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* Table Update API.
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*/
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/** Table state. */
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struct rte_swx_table_state {
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/** Table object. */
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void *obj;
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/** Action ID of the table default action. */
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uint64_t default_action_id;
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/** Action data of the table default action. Ignored when the action
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* data size is zero; otherwise, action data size bytes are meaningful.
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*/
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uint8_t *default_action_data;
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};
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/**
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* Pipeline table state get
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*
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* @param[in] p
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* Pipeline handle.
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* @param[out] table_state
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* After successful execution, the *table_state* contains the pointer to the
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* current pipeline table state, which is an array of *n_tables* elements,
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* with array element i containing the state of the i-th pipeline table. The
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* pipeline continues to own all the data structures directly or indirectly
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* referenced by the *table_state* until the subsequent successful invocation
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* of function *rte_swx_pipeline_table_state_set*.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_pipeline_table_state_get(struct rte_swx_pipeline *p,
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struct rte_swx_table_state **table_state);
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/**
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* Pipeline table state set
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*
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* @param[in] p
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* Pipeline handle.
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* @param[out] table_state
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* After successful execution, the pipeline table state is updated to this
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* *table_state*. The ownership of all the data structures directly or
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* indirectly referenced by this *table_state* is passed from the caller to
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* the pipeline.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_pipeline_table_state_set(struct rte_swx_pipeline *p,
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struct rte_swx_table_state *table_state);
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/*
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* High Level Reference Table Update API.
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*/
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/** Pipeline control opaque data structure. */
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struct rte_swx_ctl_pipeline;
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/**
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* Pipeline control create
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*
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* @param[in] p
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* Pipeline handle.
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* @return
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* Pipeline control handle, on success, or NULL, on error.
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*/
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__rte_experimental
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struct rte_swx_ctl_pipeline *
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rte_swx_ctl_pipeline_create(struct rte_swx_pipeline *p);
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/**
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* Pipeline table entry add
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*
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* Schedule entry for addition to table or update as part of the next commit
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* operation.
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*
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* @param[in] ctl
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* Pipeline control handle.
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* @param[in] table_name
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* Table name.
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* @param[in] entry
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* Entry to be added to the table.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_ctl_pipeline_table_entry_add(struct rte_swx_ctl_pipeline *ctl,
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const char *table_name,
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struct rte_swx_table_entry *entry);
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/**
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* Pipeline table default entry add
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*
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* Schedule table default entry update as part of the next commit operation.
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*
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* @param[in] ctl
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* Pipeline control handle.
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* @param[in] table_name
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* Table name.
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* @param[in] entry
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* The new table default entry. The *key* and *key_mask* entry fields are
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* ignored.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_ctl_pipeline_table_default_entry_add(struct rte_swx_ctl_pipeline *ctl,
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const char *table_name,
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struct rte_swx_table_entry *entry);
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/**
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* Pipeline table entry delete
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*
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* Schedule entry for deletion from table as part of the next commit operation.
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* Request is silently discarded if no such entry exists.
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*
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* @param[in] ctl
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* Pipeline control handle.
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* @param[in] table_name
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* Table name.
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* @param[in] entry
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* Entry to be deleted from the table. The *action_id* and *action_data* entry
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* fields are ignored.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_ctl_pipeline_table_entry_delete(struct rte_swx_ctl_pipeline *ctl,
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const char *table_name,
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struct rte_swx_table_entry *entry);
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/**
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* Pipeline commit
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*
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* Perform all the scheduled table work.
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*
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* @param[in] ctl
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* Pipeline control handle.
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* @param[in] abort_on_fail
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* When non-zero (false), all the scheduled work is discarded after a failed
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* commit. Otherwise, the scheduled work is still kept pending for the next
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* commit.
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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int
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rte_swx_ctl_pipeline_commit(struct rte_swx_ctl_pipeline *ctl,
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int abort_on_fail);
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/**
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* Pipeline abort
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*
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* Discard all the scheduled table work.
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*
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* @param[in] ctl
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* Pipeline control handle.
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*/
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__rte_experimental
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void
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rte_swx_ctl_pipeline_abort(struct rte_swx_ctl_pipeline *ctl);
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/**
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* Pipeline table entry read
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*
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* Read table entry from string.
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*
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* @param[in] ctl
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* Pipeline control handle.
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* @param[in] table_name
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* Table name.
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* @param[in] string
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* String containing the table entry.
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* @param[out] is_blank_or_comment
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* On error, this argument provides an indication of whether *string* contains
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* an invalid table entry (set to zero) or a blank or comment line that should
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* typically be ignored (set to a non-zero value).
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* @return
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* 0 on success or the following error codes otherwise:
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* -EINVAL: Invalid argument.
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*/
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__rte_experimental
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struct rte_swx_table_entry *
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rte_swx_ctl_pipeline_table_entry_read(struct rte_swx_ctl_pipeline *ctl,
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const char *table_name,
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const char *string,
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int *is_blank_or_comment);
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/**
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* Pipeline table print to file
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*
|
|
* Print all the table entries to file.
|
|
*
|
|
* @param[in] f
|
|
* Output file.
|
|
* @param[in] ctl
|
|
* Pipeline control handle.
|
|
* @param[in] table_name
|
|
* Table name.
|
|
* @return
|
|
* 0 on success or the following error codes otherwise:
|
|
* -EINVAL: Invalid argument.
|
|
*/
|
|
__rte_experimental
|
|
int
|
|
rte_swx_ctl_pipeline_table_fprintf(FILE *f,
|
|
struct rte_swx_ctl_pipeline *ctl,
|
|
const char *table_name);
|
|
|
|
/*
|
|
* Register Array Query API.
|
|
*/
|
|
|
|
/** Register array info. */
|
|
struct rte_swx_ctl_regarray_info {
|
|
/** Register array name. */
|
|
char name[RTE_SWX_CTL_NAME_SIZE];
|
|
|
|
/** Register array size. */
|
|
uint32_t size;
|
|
};
|
|
|
|
/**
|
|
* Register array info get
|
|
*
|
|
* @param[in] p
|
|
* Pipeline handle.
|
|
* @param[in] regarray_id
|
|
* Register array ID (0 .. *n_regarrays* - 1).
|
|
* @param[out] regarray
|
|
* Register array info.
|
|
* @return
|
|
* 0 on success or the following error codes otherwise:
|
|
* -EINVAL: Invalid argument.
|
|
*/
|
|
__rte_experimental
|
|
int
|
|
rte_swx_ctl_regarray_info_get(struct rte_swx_pipeline *p,
|
|
uint32_t regarray_id,
|
|
struct rte_swx_ctl_regarray_info *regarray);
|
|
|
|
/**
|
|
* Register read
|
|
*
|
|
* @param[in] p
|
|
* Pipeline handle.
|
|
* @param[in] regarray_name
|
|
* Register array name.
|
|
* @param[in] regarray_index
|
|
* Register index within the array (0 .. *size* - 1).
|
|
* @param[out] value
|
|
* Current register value.
|
|
* @return
|
|
* 0 on success or the following error codes otherwise:
|
|
* -EINVAL: Invalid argument.
|
|
*/
|
|
__rte_experimental
|
|
int
|
|
rte_swx_ctl_pipeline_regarray_read(struct rte_swx_pipeline *p,
|
|
const char *regarray_name,
|
|
uint32_t regarray_index,
|
|
uint64_t *value);
|
|
|
|
/**
|
|
* Register write
|
|
*
|
|
* @param[in] p
|
|
* Pipeline handle.
|
|
* @param[in] regarray_name
|
|
* Register array name.
|
|
* @param[in] regarray_index
|
|
* Register index within the array (0 .. *size* - 1).
|
|
* @param[in] value
|
|
* Value to be written to the register.
|
|
* @return
|
|
* 0 on success or the following error codes otherwise:
|
|
* -EINVAL: Invalid argument.
|
|
*/
|
|
__rte_experimental
|
|
int
|
|
rte_swx_ctl_pipeline_regarray_write(struct rte_swx_pipeline *p,
|
|
const char *regarray_name,
|
|
uint32_t regarray_index,
|
|
uint64_t value);
|
|
|
|
/*
|
|
* Meter Array Query and Configuration API.
|
|
*/
|
|
|
|
/** Meter array info. */
|
|
struct rte_swx_ctl_metarray_info {
|
|
/** Meter array name. */
|
|
char name[RTE_SWX_CTL_NAME_SIZE];
|
|
|
|
/** Meter array size. */
|
|
uint32_t size;
|
|
};
|
|
|
|
/**
|
|
* Meter array info get
|
|
*
|
|
* @param[in] p
|
|
* Pipeline handle.
|
|
* @param[in] metarray_id
|
|
* Meter array ID (0 .. *n_metarrays* - 1).
|
|
* @param[out] metarray
|
|
* Meter array info.
|
|
* @return
|
|
* 0 on success or the following error codes otherwise:
|
|
* -EINVAL: Invalid argument.
|
|
*/
|
|
__rte_experimental
|
|
int
|
|
rte_swx_ctl_metarray_info_get(struct rte_swx_pipeline *p,
|
|
uint32_t metarray_id,
|
|
struct rte_swx_ctl_metarray_info *metarray);
|
|
|
|
/**
|
|
* Meter profile add
|
|
*
|
|
* @param[in] p
|
|
* Pipeline handle.
|
|
* @param[in] name
|
|
* Meter profile name.
|
|
* @param[in] params
|
|
* Meter profile parameters.
|
|
* @return
|
|
* 0 on success or the following error codes otherwise:
|
|
* -EINVAL: Invalid argument;
|
|
* -ENOMEM: Not enough space/cannot allocate memory;
|
|
* -EEXIST: Meter profile with this name already exists.
|
|
*/
|
|
__rte_experimental
|
|
int
|
|
rte_swx_ctl_meter_profile_add(struct rte_swx_pipeline *p,
|
|
const char *name,
|
|
struct rte_meter_trtcm_params *params);
|
|
|
|
/**
|
|
* Meter profile delete
|
|
*
|
|
* @param[in] p
|
|
* Pipeline handle.
|
|
* @param[in] name
|
|
* Meter profile name.
|
|
* @return
|
|
* 0 on success or the following error codes otherwise:
|
|
* -EINVAL: Invalid argument;
|
|
* -EBUSY: Meter profile is currently in use.
|
|
*/
|
|
__rte_experimental
|
|
int
|
|
rte_swx_ctl_meter_profile_delete(struct rte_swx_pipeline *p,
|
|
const char *name);
|
|
|
|
/**
|
|
* Meter reset
|
|
*
|
|
* Reset a meter within a given meter array to use the default profile that
|
|
* causes all the input packets to be colored as green. It is the responsibility
|
|
* of the control plane to make sure this meter is not used by the data plane
|
|
* pipeline before calling this function.
|
|
*
|
|
* @param[in] p
|
|
* Pipeline handle.
|
|
* @param[in] metarray_name
|
|
* Meter array name.
|
|
* @param[in] metarray_index
|
|
* Meter index within the meter array.
|
|
* @return
|
|
* 0 on success or the following error codes otherwise:
|
|
* -EINVAL: Invalid argument.
|
|
*/
|
|
__rte_experimental
|
|
int
|
|
rte_swx_ctl_meter_reset(struct rte_swx_pipeline *p,
|
|
const char *metarray_name,
|
|
uint32_t metarray_index);
|
|
|
|
/**
|
|
* Meter set
|
|
*
|
|
* Set a meter within a given meter array to use a specific profile. It is the
|
|
* responsibility of the control plane to make sure this meter is not used by
|
|
* the data plane pipeline before calling this function.
|
|
*
|
|
* @param[in] p
|
|
* Pipeline handle.
|
|
* @param[in] metarray_name
|
|
* Meter array name.
|
|
* @param[in] metarray_index
|
|
* Meter index within the meter array.
|
|
* @param[in] profile_name
|
|
* Existing meter profile name.
|
|
* @return
|
|
* 0 on success or the following error codes otherwise:
|
|
* -EINVAL: Invalid argument.
|
|
*/
|
|
__rte_experimental
|
|
int
|
|
rte_swx_ctl_meter_set(struct rte_swx_pipeline *p,
|
|
const char *metarray_name,
|
|
uint32_t metarray_index,
|
|
const char *profile_name);
|
|
|
|
/** Meter statistics counters. */
|
|
struct rte_swx_ctl_meter_stats {
|
|
/** Number of packets tagged by the meter for each color. */
|
|
uint64_t n_pkts[RTE_COLORS];
|
|
|
|
/** Number of bytes tagged by the meter for each color. */
|
|
uint64_t n_bytes[RTE_COLORS];
|
|
};
|
|
|
|
/**
|
|
* Meter statistics counters read
|
|
*
|
|
* @param[in] p
|
|
* Pipeline handle.
|
|
* @param[in] metarray_name
|
|
* Meter array name.
|
|
* @param[in] metarray_index
|
|
* Meter index within the meter array.
|
|
* @param[out] stats
|
|
* Meter statistics counters.
|
|
* @return
|
|
* 0 on success or the following error codes otherwise:
|
|
* -EINVAL: Invalid argument.
|
|
*/
|
|
__rte_experimental
|
|
int
|
|
rte_swx_ctl_meter_stats_read(struct rte_swx_pipeline *p,
|
|
const char *metarray_name,
|
|
uint32_t metarray_index,
|
|
struct rte_swx_ctl_meter_stats *stats);
|
|
|
|
/**
|
|
* Pipeline control free
|
|
*
|
|
* @param[in] ctl
|
|
* Pipeline control handle.
|
|
*/
|
|
__rte_experimental
|
|
void
|
|
rte_swx_ctl_pipeline_free(struct rte_swx_ctl_pipeline *ctl);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|