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 */ 28 29 #ifndef __ECORE_HSI_INIT_FUNC__ 30 #define __ECORE_HSI_INIT_FUNC__ 31 /********************************/ 32 /* HSI Init Functions constants */ 33 /********************************/ 34 35 /* Number of VLAN priorities */ 36 #define NUM_OF_VLAN_PRIORITIES 8 37 38 /* Size of CRC8 lookup table */ 39 #ifndef LINUX_REMOVE 40 #define CRC8_TABLE_SIZE 256 41 #endif 42 43 /* 44 * BRB RAM init requirements 45 */ 46 struct init_brb_ram_req 47 { 48 u32 guranteed_per_tc /* guaranteed size per TC, in bytes */; 49 u32 headroom_per_tc /* headroom size per TC, in bytes */; 50 u32 min_pkt_size /* min packet size, in bytes */; 51 u32 max_ports_per_engine /* min packet size, in bytes */; 52 u8 num_active_tcs[MAX_NUM_PORTS] /* number of active TCs per port */; 53 }; 54 55 /* 56 * ETS per-TC init requirements 57 */ 58 struct init_ets_tc_req 59 { 60 u8 use_sp /* if set, this TC participates in the arbitration with a strict priority (the priority is equal to the TC ID) */; 61 u8 use_wfq /* if set, this TC participates in the arbitration with a WFQ weight (indicated by the weight field) */; 62 u16 weight /* An arbitration weight. Valid only if use_wfq is set. */; 63 }; 64 65 /* 66 * ETS init requirements 67 */ 68 struct init_ets_req 69 { 70 u32 mtu /* Max packet size (in bytes) */; 71 struct init_ets_tc_req tc_req[NUM_OF_TCS] /* ETS initialization requirements per TC. */; 72 }; 73 74 /* 75 * NIG LB RL init requirements 76 */ 77 struct init_nig_lb_rl_req 78 { 79 u16 lb_mac_rate /* Global MAC+LB RL rate (in Mbps). If set to 0, the RL will be disabled. */; 80 u16 lb_rate /* Global LB RL rate (in Mbps). If set to 0, the RL will be disabled. */; 81 u32 mtu /* Max packet size (in bytes) */; 82 u16 tc_rate[NUM_OF_PHYS_TCS] /* RL rate per physical TC (in Mbps). If set to 0, the RL will be disabled. */; 83 }; 84 85 /* 86 * NIG TC mapping for each priority 87 */ 88 struct init_nig_pri_tc_map_entry 89 { 90 u8 tc_id /* the mapped TC ID */; 91 u8 valid /* indicates if the mapping entry is valid */; 92 }; 93 94 /* 95 * NIG priority to TC map init requirements 96 */ 97 struct init_nig_pri_tc_map_req 98 { 99 struct init_nig_pri_tc_map_entry pri[NUM_OF_VLAN_PRIORITIES]; 100 }; 101 102 /* 103 * QM per-port init parameters 104 */ 105 struct init_qm_port_params 106 { 107 u8 active /* Indicates if this port is active */; 108 u8 active_phys_tcs /* Vector of valid bits for active TCs used by this port */; 109 u16 num_pbf_cmd_lines /* number of PBF command lines that can be used by this port */; 110 u16 num_btb_blocks /* number of BTB blocks that can be used by this port */; 111 u16 reserved; 112 }; 113 114 /* 115 * QM per-PQ init parameters 116 */ 117 struct init_qm_pq_params 118 { 119 u8 vport_id /* VPORT ID */; 120 u8 tc_id /* TC ID */; 121 u8 wrr_group /* WRR group */; 122 u8 rl_valid /* Indicates if a rate limiter should be allocated for the PQ (0/1) */; 123 }; 124 125 /* 126 * QM per-vport init parameters 127 */ 128 struct init_qm_vport_params 129 { 130 u32 vport_rl /* rate limit in Mb/sec units. a value of 0 means dont configure. ignored if VPORT RL is globally disabled. */; 131 u16 vport_wfq /* WFQ weight. A value of 0 means dont configure. ignored if VPORT WFQ is globally disabled. */; 132 u16 first_tx_pq_id[NUM_OF_TCS] /* the first Tx PQ ID associated with this VPORT for each TC. */; 133 }; 134 135 #endif /* __ECORE_HSI_INIT_FUNC__ */ 136