1/*- 2 * Copyright (c) 2007-2013 Broadcom Corporation. All rights reserved. 3 * 4 * Eric Davis <edavis@broadcom.com> 5 * David Christensen <davidch@broadcom.com> 6 * Gary Zambrano <zambrano@broadcom.com> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of Broadcom Corporation nor the name of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written consent. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> 35__FBSDID("$FreeBSD$"); 36 37#ifndef BXE_DCB_H 38#define BXE_DCB_H 39 40#define LLFC_DRIVER_TRAFFIC_TYPE_MAX 3 /* NW, iSCSI, FCoE */ 41struct bxe_dcbx_app_params { 42 uint32_t enabled; 43 uint32_t traffic_type_priority[LLFC_DRIVER_TRAFFIC_TYPE_MAX]; 44}; 45 46#define DCBX_COS_MAX_NUM_E2 DCBX_E2E3_MAX_NUM_COS 47/* bxe currently limits numbers of supported COSes to 3 to be extended to 6 */ 48#define BXE_MAX_COS_SUPPORT 3 49#define DCBX_COS_MAX_NUM_E3B0 BXE_MAX_COS_SUPPORT 50#define DCBX_COS_MAX_NUM BXE_MAX_COS_SUPPORT 51 52struct bxe_dcbx_cos_params { 53 uint32_t bw_tbl; 54 uint32_t pri_bitmask; 55 /* 56 * strict priority: valid values are 0..5; 0 is highest priority. 57 * There can't be two COSes with the same priority. 58 */ 59 uint8_t strict; 60#define BXE_DCBX_STRICT_INVALID DCBX_COS_MAX_NUM 61#define BXE_DCBX_STRICT_COS_HIGHEST 0 62#define BXE_DCBX_STRICT_COS_NEXT_LOWER_PRI(sp) ((sp) + 1) 63 uint8_t pauseable; 64}; 65 66struct bxe_dcbx_pg_params { 67 uint32_t enabled; 68 uint8_t num_of_cos; /* valid COS entries */ 69 struct bxe_dcbx_cos_params cos_params[DCBX_COS_MAX_NUM]; 70}; 71 72struct bxe_dcbx_pfc_params { 73 uint32_t enabled; 74 uint32_t priority_non_pauseable_mask; 75}; 76 77struct bxe_dcbx_port_params { 78 struct bxe_dcbx_pfc_params pfc; 79 struct bxe_dcbx_pg_params ets; 80 struct bxe_dcbx_app_params app; 81}; 82 83#define BXE_DCBX_CONFIG_INV_VALUE (0xFFFFFFFF) 84#define BXE_DCBX_OVERWRITE_SETTINGS_DISABLE 0 85#define BXE_DCBX_OVERWRITE_SETTINGS_ENABLE 1 86#define BXE_DCBX_OVERWRITE_SETTINGS_INVALID (BXE_DCBX_CONFIG_INV_VALUE) 87#define BXE_IS_ETS_ENABLED(sc) \ 88 ((sc)->dcb_state == BXE_DCB_STATE_ON && \ 89 (sc)->dcbx_port_params.ets.enabled) 90 91struct bxe_config_lldp_params { 92 uint32_t overwrite_settings; 93 uint32_t msg_tx_hold; 94 uint32_t msg_fast_tx; 95 uint32_t tx_credit_max; 96 uint32_t msg_tx_interval; 97 uint32_t tx_fast; 98}; 99 100struct bxe_lldp_params_get { 101 uint32_t ver_num; 102#define LLDP_PARAMS_VER_NUM 2 103 struct bxe_config_lldp_params config_lldp_params; 104 /* The reserved field should follow in case the struct above will increase*/ 105 uint32_t _reserved[20]; 106 uint32_t admin_status; 107#define LLDP_TX_ONLY 0x01 108#define LLDP_RX_ONLY 0x02 109#define LLDP_TX_RX 0x03 110#define LLDP_DISABLED 0x04 111 uint32_t remote_chassis_id[REM_CHASSIS_ID_STAT_LEN]; 112 uint32_t remote_port_id[REM_PORT_ID_STAT_LEN]; 113 uint32_t local_chassis_id[LOCAL_CHASSIS_ID_STAT_LEN]; 114 uint32_t local_port_id[LOCAL_PORT_ID_STAT_LEN]; 115}; 116 117struct bxe_admin_priority_app_table { 118 uint32_t valid; 119 uint32_t priority; 120#define INVALID_TRAFFIC_TYPE_PRIORITY (0xFFFFFFFF) 121 uint32_t traffic_type; 122#define TRAFFIC_TYPE_ETH 0 123#define TRAFFIC_TYPE_PORT 1 124 uint32_t app_id; 125}; 126 127#define DCBX_CONFIG_MAX_APP_PROTOCOL 4 128struct bxe_config_dcbx_params { 129 uint32_t overwrite_settings; 130 uint32_t admin_dcbx_version; 131 uint32_t admin_ets_enable; 132 uint32_t admin_pfc_enable; 133 uint32_t admin_tc_supported_tx_enable; 134 uint32_t admin_ets_configuration_tx_enable; 135 uint32_t admin_ets_recommendation_tx_enable; 136 uint32_t admin_pfc_tx_enable; 137 uint32_t admin_application_priority_tx_enable; 138 uint32_t admin_ets_willing; 139 uint32_t admin_ets_reco_valid; 140 uint32_t admin_pfc_willing; 141 uint32_t admin_app_priority_willing; 142 uint32_t admin_configuration_bw_precentage[8]; 143 uint32_t admin_configuration_ets_pg[8]; 144 uint32_t admin_recommendation_bw_precentage[8]; 145 uint32_t admin_recommendation_ets_pg[8]; 146 uint32_t admin_pfc_bitmap; 147 struct bxe_admin_priority_app_table 148 admin_priority_app_table[DCBX_CONFIG_MAX_APP_PROTOCOL]; 149 uint32_t admin_default_priority; 150}; 151 152//#define DCBX_PARAMS_VER_NUM 3 /* XXX conflict with common_uif.h */ 153struct bxe_dcbx_params_get { 154 uint32_t ver_num; 155 uint32_t dcb_state; 156 uint32_t dcbx_enabled; 157 struct bxe_config_dcbx_params config_dcbx_params; 158 /* The reserved field should follow in case the struct above will increase*/ 159 uint32_t _reserved[19]; 160 161 uint32_t dcb_current_state; 162#define BXE_DCBX_CURRENT_STATE_IS_SYNC (1 << 0) 163#define BXE_PFC_IS_CURRENTLY_OPERATIONAL (1 << 1) 164#define BXE_ETS_IS_CURRENTLY_OPERATIONAL (1 << 2) 165#define BXE_PRIORITY_TAGGING_IS_CURRENTLY_OPERATIONAL (1 << 3) 166 167 uint32_t local_tc_supported; 168 uint32_t local_pfc_caps; 169 uint32_t remote_tc_supported; 170 uint32_t remote_pfc_cap; 171 uint32_t remote_ets_willing; 172 uint32_t remote_ets_reco_valid; 173 uint32_t remote_pfc_willing; 174 uint32_t remote_app_priority_willing; 175 uint32_t remote_configuration_bw_precentage[8]; 176 uint32_t remote_configuration_ets_pg[8]; 177 uint32_t remote_recommendation_bw_precentage[8]; 178 uint32_t remote_recommendation_ets_pg[8]; 179 uint32_t remote_pfc_bitmap; 180 struct bxe_admin_priority_app_table 181 remote_priority_app_table[DCBX_MAX_APP_PROTOCOL]; 182 uint32_t local_ets_enable; 183 uint32_t local_pfc_enable; 184 uint32_t local_configuration_bw_precentage[8]; 185 uint32_t local_configuration_ets_pg[8]; 186 uint32_t local_pfc_bitmap; 187 struct bxe_admin_priority_app_table 188 local_priority_app_table[DCBX_MAX_APP_PROTOCOL]; 189 uint32_t pfc_mismatch; 190 uint32_t priority_app_mismatch; 191 uint32_t dcbx_frames_sent; 192 uint32_t dcbx_frames_received; 193 uint32_t pfc_frames_sent[2]; 194 uint32_t pfc_frames_received[2]; 195}; 196 197struct bxe_dcbx_params_set { 198 uint32_t ver_num; 199 uint32_t dcb_state; 200 uint32_t dcbx_enabled; 201 struct bxe_config_dcbx_params config_dcbx_params; 202}; 203 204#define GET_FLAGS(flags, bits) ((flags) & (bits)) 205#define SET_FLAGS(flags, bits) ((flags) |= (bits)) 206#define RESET_FLAGS(flags, bits) ((flags) &= ~(bits)) 207 208enum { 209 DCBX_READ_LOCAL_MIB, 210 DCBX_READ_REMOTE_MIB 211}; 212 213#define ETH_TYPE_FCOE (0x8906) 214#define TCP_PORT_ISCSI (0xCBC) 215 216#define PFC_VALUE_FRAME_SIZE (512) 217#define PFC_QUANTA_IN_NANOSEC_FROM_SPEED_MEGA(mega_speed) \ 218 ((1000 * PFC_VALUE_FRAME_SIZE)/(mega_speed)) 219 220#define PFC_BRB1_REG_HIGH_LLFC_LOW_THRESHOLD 130 221#define PFC_BRB1_REG_HIGH_LLFC_HIGH_THRESHOLD 170 222 223struct cos_entry_help_data { 224 uint32_t pri_join_mask; 225 uint32_t cos_bw; 226 uint8_t strict; 227 uint8_t pausable; 228}; 229 230struct cos_help_data { 231 struct cos_entry_help_data data[DCBX_COS_MAX_NUM]; 232 uint8_t num_of_cos; 233}; 234 235#define DCBX_ILLEGAL_PG (0xFF) 236#define DCBX_PFC_PRI_MASK (0xFF) 237#define DCBX_STRICT_PRIORITY (15) 238#define DCBX_INVALID_COS_BW (0xFFFFFFFF) 239#define DCBX_PFC_PRI_NON_PAUSE_MASK(sc) \ 240 ((sc)->dcbx_port_params.pfc.priority_non_pauseable_mask) 241#define DCBX_PFC_PRI_PAUSE_MASK(sc) \ 242 ((uint8_t)~DCBX_PFC_PRI_NON_PAUSE_MASK(sc)) 243#define DCBX_PFC_PRI_GET_PAUSE(sc, pg_pri) \ 244 ((pg_pri) & (DCBX_PFC_PRI_PAUSE_MASK(sc))) 245#define DCBX_PFC_PRI_GET_NON_PAUSE(sc, pg_pri) \ 246 (DCBX_PFC_PRI_NON_PAUSE_MASK(sc) & (pg_pri)) 247#define DCBX_IS_PFC_PRI_SOME_PAUSE(sc, pg_pri) \ 248 (0 != DCBX_PFC_PRI_GET_PAUSE(sc, pg_pri)) 249#define IS_DCBX_PFC_PRI_ONLY_PAUSE(sc, pg_pri) \ 250 (pg_pri == DCBX_PFC_PRI_GET_PAUSE((sc), (pg_pri))) 251#define IS_DCBX_PFC_PRI_ONLY_NON_PAUSE(sc, pg_pri) \ 252 ((pg_pri) == DCBX_PFC_PRI_GET_NON_PAUSE((sc), (pg_pri))) 253#define IS_DCBX_PFC_PRI_MIX_PAUSE(sc, pg_pri) \ 254 (!(IS_DCBX_PFC_PRI_ONLY_NON_PAUSE((sc), (pg_pri)) || \ 255 IS_DCBX_PFC_PRI_ONLY_PAUSE((sc), (pg_pri)))) 256 257struct pg_entry_help_data { 258 uint8_t num_of_dif_pri; 259 uint8_t pg; 260 uint32_t pg_priority; 261}; 262 263struct pg_help_data { 264 struct pg_entry_help_data data[LLFC_DRIVER_TRAFFIC_TYPE_MAX]; 265 uint8_t num_of_pg; 266}; 267 268/* forward DCB/PFC related declarations */ 269struct bxe_softc; 270/* void bxe_dcbx_update(struct work_struct *work); */ 271void bxe_dcbx_init_params(struct bxe_softc *sc); 272void bxe_dcbx_set_state(struct bxe_softc *sc, uint8_t dcb_on, uint32_t dcbx_enabled); 273int bxe_dcb_get_lldp_params_ioctl(struct bxe_softc *sc, void *uaddr); 274int bxe_dcb_get_dcbx_params_ioctl(struct bxe_softc *sc, void *uaddr); 275int bxe_dcb_set_dcbx_params_ioctl(struct bxe_softc *sc, void *uaddr); 276 277enum { 278 BXE_DCBX_STATE_NEG_RECEIVED = 0x1, 279 BXE_DCBX_STATE_TX_PAUSED, 280 BXE_DCBX_STATE_TX_RELEASED 281}; 282 283void bxe_dcbx_set_params(struct bxe_softc *sc, uint32_t state); 284void bxe_dcbx_pmf_update(struct bxe_softc *sc); 285 286#endif /* BXE_DCB_H */ 287 288