1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2017 Marvell International Ltd. 3 * Copyright(c) 2017 Semihalf. 4 * All rights reserved. 5 */ 6 7 #ifndef _MRVL_QOS_H_ 8 #define _MRVL_QOS_H_ 9 10 #include <rte_common.h> 11 12 #include "mrvl_ethdev.h" 13 14 /** Code Points per Traffic Class. Equals max(DSCP, PCP). */ 15 #define MRVL_CP_PER_TC (64) 16 17 /** Value used as "unknown". */ 18 #define MRVL_UNKNOWN_TC (0xFF) 19 20 /* QoS config. */ 21 struct mrvl_qos_cfg { 22 struct port_cfg { 23 int rate_limit_enable; 24 struct pp2_ppio_rate_limit_params rate_limit_params; 25 struct { 26 uint8_t inq[MRVL_PP2_RXQ_MAX]; 27 uint8_t dscp[MRVL_CP_PER_TC]; 28 uint8_t pcp[MRVL_CP_PER_TC]; 29 uint8_t inqs; 30 uint8_t dscps; 31 uint8_t pcps; 32 enum pp2_ppio_color color; 33 } tc[MRVL_PP2_TC_MAX]; 34 struct { 35 enum pp2_ppio_outq_sched_mode sched_mode; 36 uint8_t weight; 37 int rate_limit_enable; 38 struct pp2_ppio_rate_limit_params rate_limit_params; 39 } outq[MRVL_PP2_RXQ_MAX]; 40 enum pp2_cls_qos_tbl_type mapping_priority; 41 uint16_t inqs; 42 uint16_t outqs; 43 uint8_t default_tc; 44 uint8_t use_global_defaults; 45 struct pp2_cls_plcr_params policer_params; 46 uint8_t setup_policer; 47 } port[RTE_MAX_ETHPORTS]; 48 }; 49 50 /** Global QoS configuration. */ 51 extern struct mrvl_qos_cfg *mrvl_qos_cfg; 52 53 /** 54 * Parse QoS configuration - rte_kvargs_process handler. 55 * 56 * Opens configuration file and parses its content. 57 * 58 * @param key Unused. 59 * @param path Path to config file. 60 * @param extra_args Pointer to configuration structure. 61 * @returns 0 in case of success, exits otherwise. 62 */ 63 int 64 mrvl_get_qoscfg(const char *key __rte_unused, const char *path, 65 void *extra_args); 66 67 /** 68 * Configure RX Queues in a given port. 69 * 70 * Sets up RX queues, their Traffic Classes and DPDK rxq->(TC,inq) mapping. 71 * 72 * @param priv Port's private data 73 * @param portid DPDK port ID 74 * @param max_queues Maximum number of queues to configure. 75 * @returns 0 in case of success, negative value otherwise. 76 */ 77 int 78 mrvl_configure_rxqs(struct mrvl_priv *priv, uint16_t portid, 79 uint16_t max_queues); 80 81 /** 82 * Configure TX Queues in a given port. 83 * 84 * Sets up TX queues egress scheduler and limiter. 85 * 86 * @param priv Port's private data 87 * @param portid DPDK port ID 88 * @param max_queues Maximum number of queues to configure. 89 * @returns 0 in case of success, negative value otherwise. 90 */ 91 int 92 mrvl_configure_txqs(struct mrvl_priv *priv, uint16_t portid, 93 uint16_t max_queues); 94 95 /** 96 * Start QoS mapping. 97 * 98 * Finalize QoS table configuration and initialize it in SDK. It can be done 99 * only after port is started, so we have a valid ppio reference. 100 * 101 * @param priv Port's private (configuration) data. 102 * @returns 0 in case of success, exits otherwise. 103 */ 104 int 105 mrvl_start_qos_mapping(struct mrvl_priv *priv); 106 107 #endif /* _MRVL_QOS_H_ */ 108