70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Marvell RVU Ethernet driver
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*
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* Copyright (C) 2023 Marvell.
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*
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*/
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#ifndef OTX2_QOS_H
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#define OTX2_QOS_H
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#include <linux/types.h>
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#include <linux/netdevice.h>
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#include <linux/rhashtable.h>
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#define OTX2_QOS_MAX_LVL 4
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#define OTX2_QOS_MAX_PRIO 7
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#define OTX2_QOS_MAX_LEAF_NODES 16
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enum qos_smq_operations {
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QOS_CFG_SQ,
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QOS_SMQ_FLUSH,
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};
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u64 otx2_get_txschq_rate_regval(struct otx2_nic *nic, u64 maxrate, u32 burst);
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int otx2_setup_tc_htb(struct net_device *ndev, struct tc_htb_qopt_offload *htb);
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int otx2_qos_get_qid(struct otx2_nic *pfvf);
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void otx2_qos_free_qid(struct otx2_nic *pfvf, int qidx);
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int otx2_qos_enable_sq(struct otx2_nic *pfvf, int qidx);
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void otx2_qos_disable_sq(struct otx2_nic *pfvf, int qidx);
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struct otx2_qos_cfg {
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u16 schq[NIX_TXSCH_LVL_CNT];
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u16 schq_contig[NIX_TXSCH_LVL_CNT];
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int static_node_pos[NIX_TXSCH_LVL_CNT];
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int dwrr_node_pos[NIX_TXSCH_LVL_CNT];
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u16 schq_contig_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC];
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u16 schq_list[NIX_TXSCH_LVL_CNT][MAX_TXSCHQ_PER_FUNC];
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};
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struct otx2_qos {
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DECLARE_HASHTABLE(qos_hlist, order_base_2(OTX2_QOS_MAX_LEAF_NODES));
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struct mutex qos_lock; /* child list lock */
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u16 qid_to_sqmap[OTX2_QOS_MAX_LEAF_NODES];
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struct list_head qos_tree;
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DECLARE_BITMAP(qos_sq_bmap, OTX2_QOS_MAX_LEAF_NODES);
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u16 maj_id;
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u16 defcls;
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u8 link_cfg_lvl; /* LINKX_CFG CSRs mapped to TL3 or TL2's index ? */
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};
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struct otx2_qos_node {
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struct list_head list; /* list management */
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struct list_head child_list;
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struct list_head child_schq_list;
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struct hlist_node hlist;
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DECLARE_BITMAP(prio_bmap, OTX2_QOS_MAX_PRIO + 1);
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struct otx2_qos_node *parent; /* parent qos node */
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u64 rate; /* htb params */
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u64 ceil;
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u32 classid;
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u32 prio;
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u16 schq; /* hw txschq */
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u16 qid;
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u16 prio_anchor;
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u8 level;
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};
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#endif
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