1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
2 | /* Microchip Sparx5 Switch driver |
3 | * |
4 | * Copyright (c) 2022 Microchip Technology Inc. and its subsidiaries. |
5 | */ |
6 | |
7 | #ifndef __SPARX5_QOS_H__ |
8 | #define __SPARX5_QOS_H__ |
9 | |
10 | #include <linux/netdevice.h> |
11 | |
12 | /* Number of Layers */ |
13 | #define SPX5_HSCH_LAYER_CNT 3 |
14 | |
15 | /* Scheduling elements per layer */ |
16 | #define SPX5_HSCH_L0_SE_CNT 5040 |
17 | #define SPX5_HSCH_L1_SE_CNT 64 |
18 | #define SPX5_HSCH_L2_SE_CNT 64 |
19 | |
20 | /* Calculate Layer 0 Scheduler Element when using normal hierarchy */ |
21 | #define SPX5_HSCH_L0_GET_IDX(port, queue) ((64 * (port)) + (8 * (queue))) |
22 | |
23 | /* Number of leak groups */ |
24 | #define SPX5_HSCH_LEAK_GRP_CNT 4 |
25 | |
26 | /* Scheduler modes */ |
27 | #define SPX5_SE_MODE_LINERATE 0 |
28 | #define SPX5_SE_MODE_DATARATE 1 |
29 | |
30 | /* Rate and burst */ |
31 | #define SPX5_SE_RATE_MAX 262143 |
32 | #define SPX5_SE_BURST_MAX 127 |
33 | #define SPX5_SE_RATE_MIN 1 |
34 | #define SPX5_SE_BURST_MIN 1 |
35 | #define SPX5_SE_BURST_UNIT 4096 |
36 | |
37 | /* Dwrr */ |
38 | #define SPX5_DWRR_COST_MAX 63 |
39 | |
40 | struct sparx5_shaper { |
41 | u32 mode; |
42 | u32 rate; |
43 | u32 burst; |
44 | }; |
45 | |
46 | struct sparx5_lg { |
47 | u32 max_rate; |
48 | u32 resolution; |
49 | u32 leak_time; |
50 | u32 max_ses; |
51 | }; |
52 | |
53 | struct sparx5_layer { |
54 | struct sparx5_lg leak_groups[SPX5_HSCH_LEAK_GRP_CNT]; |
55 | }; |
56 | |
57 | struct sparx5_dwrr { |
58 | u32 count; /* Number of inputs running dwrr */ |
59 | u8 cost[SPX5_PRIOS]; |
60 | }; |
61 | |
62 | int sparx5_qos_init(struct sparx5 *sparx5); |
63 | |
64 | /* Multi-Queue Priority */ |
65 | int sparx5_tc_mqprio_add(struct net_device *ndev, u8 num_tc); |
66 | int sparx5_tc_mqprio_del(struct net_device *ndev); |
67 | |
68 | /* Token Bucket Filter */ |
69 | struct tc_tbf_qopt_offload_replace_params; |
70 | int sparx5_tc_tbf_add(struct sparx5_port *port, |
71 | struct tc_tbf_qopt_offload_replace_params *params, |
72 | u32 layer, u32 idx); |
73 | int sparx5_tc_tbf_del(struct sparx5_port *port, u32 layer, u32 idx); |
74 | |
75 | /* Enhanced Transmission Selection */ |
76 | struct tc_ets_qopt_offload_replace_params; |
77 | int sparx5_tc_ets_add(struct sparx5_port *port, |
78 | struct tc_ets_qopt_offload_replace_params *params); |
79 | |
80 | int sparx5_tc_ets_del(struct sparx5_port *port); |
81 | |
82 | #endif /* __SPARX5_QOS_H__ */ |
83 | |