1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2007-2014 QLogic Corporation. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 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#include <sys/cdefs.h> 30__FBSDID("$FreeBSD$"); 31 32#ifndef BXE_DCB_H 33#define BXE_DCB_H 34 35#define LLFC_DRIVER_TRAFFIC_TYPE_MAX 3 /* NW, iSCSI, FCoE */ 36struct bxe_dcbx_app_params { 37 uint32_t enabled; 38 uint32_t traffic_type_priority[LLFC_DRIVER_TRAFFIC_TYPE_MAX]; 39}; 40 41#define DCBX_COS_MAX_NUM_E2 DCBX_E2E3_MAX_NUM_COS 42/* bxe currently limits numbers of supported COSes to 3 to be extended to 6 */ 43#define BXE_MAX_COS_SUPPORT 3 44#define DCBX_COS_MAX_NUM_E3B0 BXE_MAX_COS_SUPPORT 45#define DCBX_COS_MAX_NUM BXE_MAX_COS_SUPPORT 46 47struct bxe_dcbx_cos_params { 48 uint32_t bw_tbl; 49 uint32_t pri_bitmask; 50 /* 51 * strict priority: valid values are 0..5; 0 is highest priority. 52 * There can't be two COSes with the same priority. 53 */ 54 uint8_t strict; 55#define BXE_DCBX_STRICT_INVALID DCBX_COS_MAX_NUM 56#define BXE_DCBX_STRICT_COS_HIGHEST 0 57#define BXE_DCBX_STRICT_COS_NEXT_LOWER_PRI(sp) ((sp) + 1) 58 uint8_t pauseable; 59}; 60 61struct bxe_dcbx_pg_params { 62 uint32_t enabled; 63 uint8_t num_of_cos; /* valid COS entries */ 64 struct bxe_dcbx_cos_params cos_params[DCBX_COS_MAX_NUM]; 65}; 66 67struct bxe_dcbx_pfc_params { 68 uint32_t enabled; 69 uint32_t priority_non_pauseable_mask; 70}; 71 72struct bxe_dcbx_port_params { 73 struct bxe_dcbx_pfc_params pfc; 74 struct bxe_dcbx_pg_params ets; 75 struct bxe_dcbx_app_params app; 76}; 77 78#define BXE_DCBX_CONFIG_INV_VALUE (0xFFFFFFFF) 79#define BXE_DCBX_OVERWRITE_SETTINGS_DISABLE 0 80#define BXE_DCBX_OVERWRITE_SETTINGS_ENABLE 1 81#define BXE_DCBX_OVERWRITE_SETTINGS_INVALID (BXE_DCBX_CONFIG_INV_VALUE) 82#define BXE_IS_ETS_ENABLED(sc) \ 83 ((sc)->dcb_state == BXE_DCB_STATE_ON && \ 84 (sc)->dcbx_port_params.ets.enabled) 85 86struct bxe_config_lldp_params { 87 uint32_t overwrite_settings; 88 uint32_t msg_tx_hold; 89 uint32_t msg_fast_tx; 90 uint32_t tx_credit_max; 91 uint32_t msg_tx_interval; 92 uint32_t tx_fast; 93}; 94 95struct bxe_lldp_params_get { 96 uint32_t ver_num; 97#define LLDP_PARAMS_VER_NUM 2 98 struct bxe_config_lldp_params config_lldp_params; 99 /* The reserved field should follow in case the struct above will increase*/ 100 uint32_t _reserved[20]; 101 uint32_t admin_status; 102#define LLDP_TX_ONLY 0x01 103#define LLDP_RX_ONLY 0x02 104#define LLDP_TX_RX 0x03 105#define LLDP_DISABLED 0x04 106 uint32_t remote_chassis_id[REM_CHASSIS_ID_STAT_LEN]; 107 uint32_t remote_port_id[REM_PORT_ID_STAT_LEN]; 108 uint32_t local_chassis_id[LOCAL_CHASSIS_ID_STAT_LEN]; 109 uint32_t local_port_id[LOCAL_PORT_ID_STAT_LEN]; 110}; 111 112struct bxe_admin_priority_app_table { 113 uint32_t valid; 114 uint32_t priority; 115#define INVALID_TRAFFIC_TYPE_PRIORITY (0xFFFFFFFF) 116 uint32_t traffic_type; 117#define TRAFFIC_TYPE_ETH 0 118#define TRAFFIC_TYPE_PORT 1 119 uint32_t app_id; 120}; 121 122#define DCBX_CONFIG_MAX_APP_PROTOCOL 4 123struct bxe_config_dcbx_params { 124 uint32_t overwrite_settings; 125 uint32_t admin_dcbx_version; 126 uint32_t admin_ets_enable; 127 uint32_t admin_pfc_enable; 128 uint32_t admin_tc_supported_tx_enable; 129 uint32_t admin_ets_configuration_tx_enable; 130 uint32_t admin_ets_recommendation_tx_enable; 131 uint32_t admin_pfc_tx_enable; 132 uint32_t admin_application_priority_tx_enable; 133 uint32_t admin_ets_willing; 134 uint32_t admin_ets_reco_valid; 135 uint32_t admin_pfc_willing; 136 uint32_t admin_app_priority_willing; 137 uint32_t admin_configuration_bw_precentage[8]; 138 uint32_t admin_configuration_ets_pg[8]; 139 uint32_t admin_recommendation_bw_precentage[8]; 140 uint32_t admin_recommendation_ets_pg[8]; 141 uint32_t admin_pfc_bitmap; 142 struct bxe_admin_priority_app_table 143 admin_priority_app_table[DCBX_CONFIG_MAX_APP_PROTOCOL]; 144 uint32_t admin_default_priority; 145}; 146 147//#define DCBX_PARAMS_VER_NUM 3 /* XXX conflict with common_uif.h */ 148struct bxe_dcbx_params_get { 149 uint32_t ver_num; 150 uint32_t dcb_state; 151 uint32_t dcbx_enabled; 152 struct bxe_config_dcbx_params config_dcbx_params; 153 /* The reserved field should follow in case the struct above will increase*/ 154 uint32_t _reserved[19]; 155 156 uint32_t dcb_current_state; 157#define BXE_DCBX_CURRENT_STATE_IS_SYNC (1 << 0) 158#define BXE_PFC_IS_CURRENTLY_OPERATIONAL (1 << 1) 159#define BXE_ETS_IS_CURRENTLY_OPERATIONAL (1 << 2) 160#define BXE_PRIORITY_TAGGING_IS_CURRENTLY_OPERATIONAL (1 << 3) 161 162 uint32_t local_tc_supported; 163 uint32_t local_pfc_caps; 164 uint32_t remote_tc_supported; 165 uint32_t remote_pfc_cap; 166 uint32_t remote_ets_willing; 167 uint32_t remote_ets_reco_valid; 168 uint32_t remote_pfc_willing; 169 uint32_t remote_app_priority_willing; 170 uint32_t remote_configuration_bw_precentage[8]; 171 uint32_t remote_configuration_ets_pg[8]; 172 uint32_t remote_recommendation_bw_precentage[8]; 173 uint32_t remote_recommendation_ets_pg[8]; 174 uint32_t remote_pfc_bitmap; 175 struct bxe_admin_priority_app_table 176 remote_priority_app_table[DCBX_MAX_APP_PROTOCOL]; 177 uint32_t local_ets_enable; 178 uint32_t local_pfc_enable; 179 uint32_t local_configuration_bw_precentage[8]; 180 uint32_t local_configuration_ets_pg[8]; 181 uint32_t local_pfc_bitmap; 182 struct bxe_admin_priority_app_table 183 local_priority_app_table[DCBX_MAX_APP_PROTOCOL]; 184 uint32_t pfc_mismatch; 185 uint32_t priority_app_mismatch; 186 uint32_t dcbx_frames_sent; 187 uint32_t dcbx_frames_received; 188 uint32_t pfc_frames_sent[2]; 189 uint32_t pfc_frames_received[2]; 190}; 191 192struct bxe_dcbx_params_set { 193 uint32_t ver_num; 194 uint32_t dcb_state; 195 uint32_t dcbx_enabled; 196 struct bxe_config_dcbx_params config_dcbx_params; 197}; 198 199#define GET_FLAGS(flags, bits) ((flags) & (bits)) 200#define SET_FLAGS(flags, bits) ((flags) |= (bits)) 201#define RESET_FLAGS(flags, bits) ((flags) &= ~(bits)) 202 203enum { 204 DCBX_READ_LOCAL_MIB, 205 DCBX_READ_REMOTE_MIB 206}; 207 208#define ETH_TYPE_FCOE (0x8906) 209#define TCP_PORT_ISCSI (0xCBC) 210 211#define PFC_VALUE_FRAME_SIZE (512) 212#define PFC_QUANTA_IN_NANOSEC_FROM_SPEED_MEGA(mega_speed) \ 213 ((1000 * PFC_VALUE_FRAME_SIZE)/(mega_speed)) 214 215#define PFC_BRB1_REG_HIGH_LLFC_LOW_THRESHOLD 130 216#define PFC_BRB1_REG_HIGH_LLFC_HIGH_THRESHOLD 170 217 218struct cos_entry_help_data { 219 uint32_t pri_join_mask; 220 uint32_t cos_bw; 221 uint8_t strict; 222 uint8_t pausable; 223}; 224 225struct cos_help_data { 226 struct cos_entry_help_data data[DCBX_COS_MAX_NUM]; 227 uint8_t num_of_cos; 228}; 229 230#define DCBX_ILLEGAL_PG (0xFF) 231#define DCBX_PFC_PRI_MASK (0xFF) 232#define DCBX_STRICT_PRIORITY (15) 233#define DCBX_INVALID_COS_BW (0xFFFFFFFF) 234#define DCBX_PFC_PRI_NON_PAUSE_MASK(sc) \ 235 ((sc)->dcbx_port_params.pfc.priority_non_pauseable_mask) 236#define DCBX_PFC_PRI_PAUSE_MASK(sc) \ 237 ((uint8_t)~DCBX_PFC_PRI_NON_PAUSE_MASK(sc)) 238#define DCBX_PFC_PRI_GET_PAUSE(sc, pg_pri) \ 239 ((pg_pri) & (DCBX_PFC_PRI_PAUSE_MASK(sc))) 240#define DCBX_PFC_PRI_GET_NON_PAUSE(sc, pg_pri) \ 241 (DCBX_PFC_PRI_NON_PAUSE_MASK(sc) & (pg_pri)) 242#define DCBX_IS_PFC_PRI_SOME_PAUSE(sc, pg_pri) \ 243 (0 != DCBX_PFC_PRI_GET_PAUSE(sc, pg_pri)) 244#define IS_DCBX_PFC_PRI_ONLY_PAUSE(sc, pg_pri) \ 245 (pg_pri == DCBX_PFC_PRI_GET_PAUSE((sc), (pg_pri))) 246#define IS_DCBX_PFC_PRI_ONLY_NON_PAUSE(sc, pg_pri) \ 247 ((pg_pri) == DCBX_PFC_PRI_GET_NON_PAUSE((sc), (pg_pri))) 248#define IS_DCBX_PFC_PRI_MIX_PAUSE(sc, pg_pri) \ 249 (!(IS_DCBX_PFC_PRI_ONLY_NON_PAUSE((sc), (pg_pri)) || \ 250 IS_DCBX_PFC_PRI_ONLY_PAUSE((sc), (pg_pri)))) 251 252struct pg_entry_help_data { 253 uint8_t num_of_dif_pri; 254 uint8_t pg; 255 uint32_t pg_priority; 256}; 257 258struct pg_help_data { 259 struct pg_entry_help_data data[LLFC_DRIVER_TRAFFIC_TYPE_MAX]; 260 uint8_t num_of_pg; 261}; 262 263/* forward DCB/PFC related declarations */ 264struct bxe_softc; 265/* void bxe_dcbx_update(struct work_struct *work); */ 266void bxe_dcbx_init_params(struct bxe_softc *sc); 267void bxe_dcbx_set_state(struct bxe_softc *sc, uint8_t dcb_on, uint32_t dcbx_enabled); 268int bxe_dcb_get_lldp_params_ioctl(struct bxe_softc *sc, void *uaddr); 269int bxe_dcb_get_dcbx_params_ioctl(struct bxe_softc *sc, void *uaddr); 270int bxe_dcb_set_dcbx_params_ioctl(struct bxe_softc *sc, void *uaddr); 271 272enum { 273 BXE_DCBX_STATE_NEG_RECEIVED = 0x1, 274 BXE_DCBX_STATE_TX_PAUSED, 275 BXE_DCBX_STATE_TX_RELEASED 276}; 277 278void bxe_dcbx_set_params(struct bxe_softc *sc, uint32_t state); 279void bxe_dcbx_pmf_update(struct bxe_softc *sc); 280 281#endif /* BXE_DCB_H */ 282 283