1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright (c) 2016 - 2018 Cavium Inc.
7 #ifndef __ECORE_HSI_INIT_FUNC__
8 #define __ECORE_HSI_INIT_FUNC__
9 /********************************/
10 /* HSI Init Functions constants */
11 /********************************/
13 /* Number of VLAN priorities */
14 #define NUM_OF_VLAN_PRIORITIES 8
16 /* Size of CRC8 lookup table */
18 #define CRC8_TABLE_SIZE 256
22 * BRB RAM init requirements
24 struct init_brb_ram_req {
25 u32 guranteed_per_tc /* guaranteed size per TC, in bytes */;
26 u32 headroom_per_tc /* headroom size per TC, in bytes */;
27 u32 min_pkt_size /* min packet size, in bytes */;
28 u32 max_ports_per_engine /* min packet size, in bytes */;
29 u8 num_active_tcs[MAX_NUM_PORTS] /* number of active TCs per port */;
34 * ETS per-TC init requirements
36 struct init_ets_tc_req {
37 /* if set, this TC participates in the arbitration with a strict priority
38 * (the priority is equal to the TC ID)
41 /* if set, this TC participates in the arbitration with a WFQ weight
42 * (indicated by the weight field)
45 u16 weight /* An arbitration weight. Valid only if use_wfq is set. */;
49 * ETS init requirements
52 u32 mtu /* Max packet size (in bytes) */;
53 /* ETS initialization requirements per TC. */
54 struct init_ets_tc_req tc_req[NUM_OF_TCS];
60 * NIG LB RL init requirements
62 struct init_nig_lb_rl_req {
63 /* Global MAC+LB RL rate (in Mbps). If set to 0, the RL will be disabled. */
65 /* Global LB RL rate (in Mbps). If set to 0, the RL will be disabled. */
67 u32 mtu /* Max packet size (in bytes) */;
68 /* RL rate per physical TC (in Mbps). If set to 0, the RL will be disabled. */
69 u16 tc_rate[NUM_OF_PHYS_TCS];
74 * NIG TC mapping for each priority
76 struct init_nig_pri_tc_map_entry {
77 u8 tc_id /* the mapped TC ID */;
78 u8 valid /* indicates if the mapping entry is valid */;
83 * NIG priority to TC map init requirements
85 struct init_nig_pri_tc_map_req {
86 struct init_nig_pri_tc_map_entry pri[NUM_OF_VLAN_PRIORITIES];
91 * QM per global RL init parameters
93 struct init_qm_global_rl_params {
94 /* Rate limit in Mb/sec units. If set to zero, the link speed is uwsed
102 * QM per port init parameters
104 struct init_qm_port_params {
105 u8 active /* Indicates if this port is active */;
106 /* Vector of valid bits for active TCs used by this port */
108 /* number of PBF command lines that can be used by this port */
109 u16 num_pbf_cmd_lines;
110 /* number of BTB blocks that can be used by this port */
117 * QM per-PQ init parameters
119 struct init_qm_pq_params {
120 u8 vport_id /* VPORT ID */;
121 u8 tc_id /* TC ID */;
122 u8 wrr_group /* WRR group */;
123 /* Indicates if a rate limiter should be allocated for the PQ (0/1) */
125 u16 rl_id /* RL ID, valid only if rl_valid is true */;
126 u8 port_id /* Port ID */;
132 * QM per VPORT init parameters
134 struct init_qm_vport_params {
135 /* WFQ weight. A value of 0 means dont configure. ignored if VPORT WFQ is
139 /* the first Tx PQ ID associated with this VPORT for each TC. */
140 u16 first_tx_pq_id[NUM_OF_TCS];
143 #endif /* __ECORE_HSI_INIT_FUNC__ */