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1/* SPDX-License-Identifier: GPL-2.0 */2/* Marvell RVU Ethernet driver3 *4 * Copyright (C) 2023 Marvell.5 *6 */7#ifndef OTX2_QOS_H8#define OTX2_QOS_H9 10#include <linux/types.h>11#include <linux/netdevice.h>12#include <linux/rhashtable.h>13 14#define OTX2_QOS_MAX_LVL 415#define OTX2_QOS_MAX_PRIO 716#define OTX2_QOS_MAX_LEAF_NODES 1617 18enum qos_smq_operations {19 QOS_CFG_SQ,20 QOS_SMQ_FLUSH,21};22 23u64 otx2_get_txschq_rate_regval(struct otx2_nic *nic, u64 maxrate, u32 burst);24 25int otx2_setup_tc_htb(struct net_device *ndev, struct tc_htb_qopt_offload *htb);26int otx2_qos_get_qid(struct otx2_nic *pfvf);27void otx2_qos_free_qid(struct otx2_nic *pfvf, int qidx);28int otx2_qos_enable_sq(struct otx2_nic *pfvf, int qidx);29void otx2_qos_disable_sq(struct otx2_nic *pfvf, int qidx);30 31struct otx2_qos_cfg {32 u16 schq[NIX_TXSCH_LVL_CNT];33 u16 schq_contig[NIX_TXSCH_LVL_CNT];34 int static_node_pos[NIX_TXSCH_LVL_CNT];35 int dwrr_node_pos[NIX_TXSCH_LVL_CNT];36 u16 schq_contig_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC];37 u16 schq_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC];38 bool schq_index_used[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC];39};40 41struct otx2_qos {42 DECLARE_HASHTABLE(qos_hlist, order_base_2(OTX2_QOS_MAX_LEAF_NODES));43 struct mutex qos_lock; /* child list lock */44 u16 qid_to_sqmap[OTX2_QOS_MAX_LEAF_NODES];45 struct list_head qos_tree;46 DECLARE_BITMAP(qos_sq_bmap, OTX2_QOS_MAX_LEAF_NODES);47 u16 maj_id;48 u16 defcls;49 u8 link_cfg_lvl; /* LINKX_CFG CSRs mapped to TL3 or TL2's index ? */50};51 52struct otx2_qos_node {53 struct list_head list; /* list management */54 struct list_head child_list;55 struct list_head child_schq_list;56 struct hlist_node hlist;57 DECLARE_BITMAP(prio_bmap, OTX2_QOS_MAX_PRIO + 1);58 struct otx2_qos_node *parent; /* parent qos node */59 u64 rate; /* htb params */60 u64 ceil;61 u32 classid;62 u32 prio;63 u32 quantum;64 /* hw txschq */65 u16 schq;66 u16 qid;67 u16 prio_anchor;68 u16 max_static_prio;69 u16 child_dwrr_cnt;70 u16 child_static_cnt;71 u16 child_dwrr_prio;72 u16 txschq_idx; /* txschq allocation index */73 u8 level;74 bool is_static;75};76 77 78#endif79