1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* Marvell RVU Ethernet driver |
3 | * |
4 | * Copyright (C) 2023 Marvell. |
5 | * |
6 | */ |
7 | #ifndef OTX2_QOS_H |
8 | #define OTX2_QOS_H |
9 | |
10 | #include <linux/types.h> |
11 | #include <linux/netdevice.h> |
12 | #include <linux/rhashtable.h> |
13 | |
14 | #define OTX2_QOS_MAX_LVL 4 |
15 | #define OTX2_QOS_MAX_PRIO 7 |
16 | #define OTX2_QOS_MAX_LEAF_NODES 16 |
17 | |
18 | enum qos_smq_operations { |
19 | QOS_CFG_SQ, |
20 | QOS_SMQ_FLUSH, |
21 | }; |
22 | |
23 | u64 otx2_get_txschq_rate_regval(struct otx2_nic *nic, u64 maxrate, u32 burst); |
24 | |
25 | int otx2_setup_tc_htb(struct net_device *ndev, struct tc_htb_qopt_offload *htb); |
26 | int otx2_qos_get_qid(struct otx2_nic *pfvf); |
27 | void otx2_qos_free_qid(struct otx2_nic *pfvf, int qidx); |
28 | int otx2_qos_enable_sq(struct otx2_nic *pfvf, int qidx); |
29 | void otx2_qos_disable_sq(struct otx2_nic *pfvf, int qidx); |
30 | |
31 | struct 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 | |
41 | struct 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 | |
52 | struct 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 | #endif |
79 | |