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/*-
* BSD LICENSE
*
* Copyright(c) 2017 Marvell International Ltd.
* Copyright(c) 2017 Semihalf.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#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 {
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;
} tc[MRVL_PP2_TC_MAX];
struct {
uint8_t weight;
} 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;
} 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);
/**
* 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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