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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2017 Marvell International Ltd.
* Copyright(c) 2017 Semihalf.
* All rights reserved.
*/
#ifndef _MRVL_QOS_H_
#define _MRVL_QOS_H_
#include <rte_common.h>
#include "mrvl_ethdev.h"
/** Code Points per Traffic Class. Equals max(DSCP, PCP). */
#define MRVL_CP_PER_TC (64)
/** Value used as "unknown". */
#define MRVL_UNKNOWN_TC (0xFF)
/* QoS config. */
struct mrvl_qos_cfg {
struct port_cfg {
int rate_limit_enable;
struct pp2_ppio_rate_limit_params rate_limit_params;
struct {
uint8_t inq[MRVL_PP2_RXQ_MAX];
uint8_t dscp[MRVL_CP_PER_TC];
uint8_t pcp[MRVL_CP_PER_TC];
uint8_t inqs;
uint8_t dscps;
uint8_t pcps;
enum pp2_ppio_color color;
} tc[MRVL_PP2_TC_MAX];
struct {
enum pp2_ppio_outq_sched_mode sched_mode;
uint8_t weight;
int rate_limit_enable;
struct pp2_ppio_rate_limit_params rate_limit_params;
} outq[MRVL_PP2_RXQ_MAX];
enum pp2_cls_qos_tbl_type mapping_priority;
uint16_t inqs;
uint16_t outqs;
uint8_t default_tc;
uint8_t use_global_defaults;
struct pp2_cls_plcr_params policer_params;
uint8_t setup_policer;
} port[RTE_MAX_ETHPORTS];
};
/** Global QoS configuration. */
extern struct mrvl_qos_cfg *mrvl_qos_cfg;
/**
* Parse QoS configuration - rte_kvargs_process handler.
*
* Opens configuration file and parses its content.
*
* @param key Unused.
* @param path Path to config file.
* @param extra_args Pointer to configuration structure.
* @returns 0 in case of success, exits otherwise.
*/
int
mrvl_get_qoscfg(const char *key __rte_unused, const char *path,
void *extra_args);
/**
* Configure RX Queues in a given port.
*
* Sets up RX queues, their Traffic Classes and DPDK rxq->(TC,inq) mapping.
*
* @param priv Port's private data
* @param portid DPDK port ID
* @param max_queues Maximum number of queues to configure.
* @returns 0 in case of success, negative value otherwise.
*/
int
mrvl_configure_rxqs(struct mrvl_priv *priv, uint16_t portid,
uint16_t max_queues);
/**
* Configure TX Queues in a given port.
*
* Sets up TX queues egress scheduler and limiter.
*
* @param priv Port's private data
* @param portid DPDK port ID
* @param max_queues Maximum number of queues to configure.
* @returns 0 in case of success, negative value otherwise.
*/
int
mrvl_configure_txqs(struct mrvl_priv *priv, uint16_t portid,
uint16_t max_queues);
/**
* Start QoS mapping.
*
* Finalize QoS table configuration and initialize it in SDK. It can be done
* only after port is started, so we have a valid ppio reference.
*
* @param priv Port's private (configuration) data.
* @returns 0 in case of success, exits otherwise.
*/
int
mrvl_start_qos_mapping(struct mrvl_priv *priv);
#endif /* _MRVL_QOS_H_ */
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