1 /*- 2 * Broadcom NetXtreme-C/E network driver. 3 * 4 * Copyright (c) 2024 Broadcom, All Rights Reserved. 5 * The term Broadcom refers to Broadcom Limited and/or its subsidiaries 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS' 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 26 * THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _BNXT_DCB_H 30 #define _BNXT_DCB_H 31 32 #define BNXT_IEEE_8021QAZ_MAX_TCS 8 33 #define BNXT_IEEE_8021QAZ_TSA_STRICT 0 34 #define BNXT_IEEE_8021QAZ_TSA_ETS 2 35 #define BNXT_IEEE_8021QAZ_TSA_VENDOR 255 36 37 #define BNXT_DCB_CAP_DCBX_HOST 0x01 38 #define BNXT_DCB_CAP_DCBX_LLD_MANAGED 0x02 39 #define BNXT_DCB_CAP_DCBX_VER_CEE 0x04 40 #define BNXT_DCB_CAP_DCBX_VER_IEEE 0x08 41 #define BNXT_DCB_CAP_DCBX_STATIC 0x10 42 43 #ifndef __struct_group 44 #define __struct_group(TAG, NAME, ATTRS, MEMBERS...) \ 45 union { \ 46 struct { MEMBERS } ATTRS; \ 47 struct TAG { MEMBERS } ATTRS NAME; \ 48 } 49 #endif 50 #ifndef struct_group_attr 51 #define struct_group_attr(NAME, ATTRS, MEMBERS...) \ 52 __struct_group(/* no tag */, NAME, ATTRS, MEMBERS) 53 #endif 54 55 struct bnxt_cos2bw_cfg { 56 uint8_t pad[3]; 57 struct_group_attr(cfg, __packed, 58 uint8_t queue_id; 59 uint32_t min_bw; 60 uint32_t max_bw; 61 #define BW_VALUE_UNIT_PERCENT1_100 (0x1UL << 29) 62 uint8_t tsa; 63 uint8_t pri_lvl; 64 uint8_t bw_weight; 65 ); 66 uint8_t unused; 67 }; 68 69 struct bnxt_dscp2pri_entry { 70 uint8_t dscp; 71 uint8_t mask; 72 uint8_t pri; 73 }; 74 75 struct bnxt_ieee_ets { 76 uint8_t willing; 77 uint8_t ets_cap; 78 uint8_t cbs; 79 uint8_t tc_tx_bw[BNXT_IEEE_8021QAZ_MAX_TCS]; 80 uint8_t tc_rx_bw[BNXT_IEEE_8021QAZ_MAX_TCS]; 81 uint8_t tc_tsa[BNXT_IEEE_8021QAZ_MAX_TCS]; 82 uint8_t prio_tc[BNXT_IEEE_8021QAZ_MAX_TCS]; 83 uint8_t tc_reco_bw[BNXT_IEEE_8021QAZ_MAX_TCS]; 84 uint8_t tc_reco_tsa[BNXT_IEEE_8021QAZ_MAX_TCS]; 85 uint8_t reco_prio_tc[BNXT_IEEE_8021QAZ_MAX_TCS]; 86 } __attribute__ ((__packed__)); 87 88 struct bnxt_ieee_pfc { 89 uint8_t pfc_cap; 90 uint8_t pfc_en; 91 uint8_t mbc; 92 uint16_t delay; 93 uint64_t requests[BNXT_IEEE_8021QAZ_MAX_TCS]; 94 uint64_t indications[BNXT_IEEE_8021QAZ_MAX_TCS]; 95 } __attribute__ ((__packed__)); 96 97 struct bnxt_dcb_app { 98 uint8_t selector; 99 uint8_t priority; 100 uint16_t protocol; 101 } __attribute__ ((__packed__)); 102 103 struct bnxt_eee { 104 uint32_t cmd; 105 uint32_t supported; 106 uint32_t advertised; 107 uint32_t lp_advertised; 108 uint32_t eee_active; 109 uint32_t eee_enabled; 110 uint32_t tx_lpi_enabled; 111 uint32_t tx_lpi_timer; 112 uint32_t reserved[2]; 113 } __attribute__ ((__packed__)); 114 115 #define BNXT_IEEE_8021QAZ_APP_SEL_ETHERTYPE 1 116 #define BNXT_IEEE_8021QAZ_APP_SEL_STREAM 2 117 #define BNXT_IEEE_8021QAZ_APP_SEL_DGRAM 3 118 #define BNXT_IEEE_8021QAZ_APP_SEL_ANY 4 119 #define BNXT_IEEE_8021QAZ_APP_SEL_DSCP 5 120 #define ETH_P_ROCE 0x8915 121 #define ROCE_V2_UDP_DPORT 4791 122 123 #define BNXT_LLQ(q_profile) \ 124 ((q_profile) == HWRM_QUEUE_QPORTCFG_OUTPUT_QUEUE_ID0_SERVICE_PROFILE_LOSSLESS_ROCE || \ 125 (q_profile) == HWRM_QUEUE_QPORTCFG_OUTPUT_QUEUE_ID0_SERVICE_PROFILE_LOSSLESS_NIC) 126 #define BNXT_CNPQ(q_profile) \ 127 ((q_profile) == HWRM_QUEUE_QPORTCFG_OUTPUT_QUEUE_ID0_SERVICE_PROFILE_LOSSY_ROCE_CNP) 128 129 #define HWRM_STRUCT_DATA_SUBTYPE_HOST_OPERATIONAL 0x0300 130 131 #endif 132