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 */ 41 struct 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 52 struct 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 66 struct 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 72 struct bxe_dcbx_pfc_params { 73 uint32_t enabled; 74 uint32_t priority_non_pauseable_mask; 75 }; 76 77 struct 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 91 struct 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 }; 99 100 struct 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 }; 116 117 struct 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 4 128 struct 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 */ 153 struct 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 }; 196 197 struct 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)) 207 208 enum { 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 170 222 223 struct cos_entry_help_data { 224 uint32_t pri_join_mask; 225 uint32_t cos_bw; 226 uint8_t strict; 227 uint8_t pausable; 228 }; 229 230 struct 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)))) 256 257 struct pg_entry_help_data { 258 uint8_t num_of_dif_pri; 259 uint8_t pg; 260 uint32_t pg_priority; 261 }; 262 263 struct 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 */ 269 struct bxe_softc; 270 /* void bxe_dcbx_update(struct work_struct *work); */ 271 void bxe_dcbx_init_params(struct bxe_softc *sc); 272 void bxe_dcbx_set_state(struct bxe_softc *sc, uint8_t dcb_on, uint32_t dcbx_enabled); 273 int bxe_dcb_get_lldp_params_ioctl(struct bxe_softc *sc, void *uaddr); 274 int bxe_dcb_get_dcbx_params_ioctl(struct bxe_softc *sc, void *uaddr); 275 int bxe_dcb_set_dcbx_params_ioctl(struct bxe_softc *sc, void *uaddr); 276 277 enum { 278 BXE_DCBX_STATE_NEG_RECEIVED = 0x1, 279 BXE_DCBX_STATE_TX_PAUSED, 280 BXE_DCBX_STATE_TX_RELEASED 281 }; 282 283 void bxe_dcbx_set_params(struct bxe_softc *sc, uint32_t state); 284 void bxe_dcbx_pmf_update(struct bxe_softc *sc); 285 286 #endif /* BXE_DCB_H */ 287 288