99a2dd955f
There is no reason for the DPDK libraries to all have 'librte_' prefix on the directory names. This prefix makes the directory names longer and also makes it awkward to add features referring to individual libraries in the build - should the lib names be specified with or without the prefix. Therefore, we can just remove the library prefix and use the library's unique name as the directory name, i.e. 'eal' rather than 'librte_eal' Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
853 lines
20 KiB
C
853 lines
20 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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/** Non-zero (true) when this action argument must be stored in the
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* table in network byte order (NBO), zero when it must be stored in
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* host byte order (HBO).
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*/
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int is_network_byte_order;
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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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/** Table statistics. */
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struct rte_swx_table_stats {
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/** Number of packets with lookup hit. */
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uint64_t n_pkts_hit;
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/** Number of packets with lookup miss. */
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uint64_t n_pkts_miss;
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/** Number of packets (with either lookup hit or miss) per pipeline
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* action. Array of pipeline *n_actions* elements indedex by the
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* pipeline-level *action_id*, therefore this array has the same size
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* for all the tables within the same pipeline.
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*/
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uint64_t *n_pkts_action;
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};
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/**
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* Table 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] table_name
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* Table name.
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* @param[out] stats
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* Table stats. Must point to a pre-allocated structure. The *n_pkts_action*
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* field also needs to be pre-allocated as array of pipeline *n_actions*
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* elements. The pipeline actions that are not valid for the current table
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* have their associated *n_pkts_action* element always set to zero.
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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_stats_read(struct rte_swx_pipeline *p,
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const char *table_name,
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struct rte_swx_table_stats *stats);
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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
|
|
* commit.
|
|
* @return
|
|
* 0 on success or the following error codes otherwise:
|
|
* -EINVAL: Invalid argument.
|
|
*/
|
|
__rte_experimental
|
|
int
|
|
rte_swx_ctl_pipeline_commit(struct rte_swx_ctl_pipeline *ctl,
|
|
int abort_on_fail);
|
|
|
|
/**
|
|
* Pipeline abort
|
|
*
|
|
* Discard all the scheduled table work.
|
|
*
|
|
* @param[in] ctl
|
|
* Pipeline control handle.
|
|
*/
|
|
__rte_experimental
|
|
void
|
|
rte_swx_ctl_pipeline_abort(struct rte_swx_ctl_pipeline *ctl);
|
|
|
|
/**
|
|
* Pipeline table entry read
|
|
*
|
|
* Read table entry from string.
|
|
*
|
|
* @param[in] ctl
|
|
* Pipeline control handle.
|
|
* @param[in] table_name
|
|
* Table name.
|
|
* @param[in] string
|
|
* String containing the table entry.
|
|
* @param[out] is_blank_or_comment
|
|
* On error, this argument provides an indication of whether *string* contains
|
|
* an invalid table entry (set to zero) or a blank or comment line that should
|
|
* typically be ignored (set to a non-zero value).
|
|
* @return
|
|
* 0 on success or the following error codes otherwise:
|
|
* -EINVAL: Invalid argument.
|
|
*/
|
|
__rte_experimental
|
|
struct rte_swx_table_entry *
|
|
rte_swx_ctl_pipeline_table_entry_read(struct rte_swx_ctl_pipeline *ctl,
|
|
const char *table_name,
|
|
const char *string,
|
|
int *is_blank_or_comment);
|
|
|
|
/**
|
|
* Pipeline table print to file
|
|
*
|
|
* 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
|