1 /*
2 * Copyright (c) 2017-2018 Cavium, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 *
29 */
30
31 #ifndef __ECORE_HSI_INIT_FUNC__
32 #define __ECORE_HSI_INIT_FUNC__
33 /********************************/
34 /* HSI Init Functions constants */
35 /********************************/
36
37 /* Number of VLAN priorities */
38 #define NUM_OF_VLAN_PRIORITIES 8
39
40 /* Size of CRC8 lookup table */
41 #ifndef LINUX_REMOVE
42 #define CRC8_TABLE_SIZE 256
43 #endif
44
45 /*
46 * BRB RAM init requirements
47 */
48 struct init_brb_ram_req
49 {
50 u32 guranteed_per_tc /* guaranteed size per TC, in bytes */;
51 u32 headroom_per_tc /* headroom size per TC, in bytes */;
52 u32 min_pkt_size /* min packet size, in bytes */;
53 u32 max_ports_per_engine /* min packet size, in bytes */;
54 u8 num_active_tcs[MAX_NUM_PORTS] /* number of active TCs per port */;
55 };
56
57 /*
58 * ETS per-TC init requirements
59 */
60 struct init_ets_tc_req
61 {
62 u8 use_sp /* if set, this TC participates in the arbitration with a strict priority (the priority is equal to the TC ID) */;
63 u8 use_wfq /* if set, this TC participates in the arbitration with a WFQ weight (indicated by the weight field) */;
64 u16 weight /* An arbitration weight. Valid only if use_wfq is set. */;
65 };
66
67 /*
68 * ETS init requirements
69 */
70 struct init_ets_req
71 {
72 u32 mtu /* Max packet size (in bytes) */;
73 struct init_ets_tc_req tc_req[NUM_OF_TCS] /* ETS initialization requirements per TC. */;
74 };
75
76 /*
77 * NIG LB RL init requirements
78 */
79 struct init_nig_lb_rl_req
80 {
81 u16 lb_mac_rate /* Global MAC+LB RL rate (in Mbps). If set to 0, the RL will be disabled. */;
82 u16 lb_rate /* Global LB RL rate (in Mbps). If set to 0, the RL will be disabled. */;
83 u32 mtu /* Max packet size (in bytes) */;
84 u16 tc_rate[NUM_OF_PHYS_TCS] /* RL rate per physical TC (in Mbps). If set to 0, the RL will be disabled. */;
85 };
86
87 /*
88 * NIG TC mapping for each priority
89 */
90 struct init_nig_pri_tc_map_entry
91 {
92 u8 tc_id /* the mapped TC ID */;
93 u8 valid /* indicates if the mapping entry is valid */;
94 };
95
96 /*
97 * NIG priority to TC map init requirements
98 */
99 struct init_nig_pri_tc_map_req
100 {
101 struct init_nig_pri_tc_map_entry pri[NUM_OF_VLAN_PRIORITIES];
102 };
103
104 /*
105 * QM per-port init parameters
106 */
107 struct init_qm_port_params
108 {
109 u8 active /* Indicates if this port is active */;
110 u8 active_phys_tcs /* Vector of valid bits for active TCs used by this port */;
111 u16 num_pbf_cmd_lines /* number of PBF command lines that can be used by this port */;
112 u16 num_btb_blocks /* number of BTB blocks that can be used by this port */;
113 u16 reserved;
114 };
115
116 /*
117 * QM per-PQ init parameters
118 */
119 struct init_qm_pq_params
120 {
121 u8 vport_id /* VPORT ID */;
122 u8 tc_id /* TC ID */;
123 u8 wrr_group /* WRR group */;
124 u8 rl_valid /* Indicates if a rate limiter should be allocated for the PQ (0/1) */;
125 };
126
127 /*
128 * QM per-vport init parameters
129 */
130 struct init_qm_vport_params
131 {
132 u32 vport_rl /* rate limit in Mb/sec units. a value of 0 means dont configure. ignored if VPORT RL is globally disabled. */;
133 u16 vport_wfq /* WFQ weight. A value of 0 means dont configure. ignored if VPORT WFQ is globally disabled. */;
134 u16 first_tx_pq_id[NUM_OF_TCS] /* the first Tx PQ ID associated with this VPORT for each TC. */;
135 };
136
137 #endif /* __ECORE_HSI_INIT_FUNC__ */
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