1 #ifndef LINUX_SFP_H 2 #define LINUX_SFP_H 3 4 #include <linux/phy.h> 5 6 struct sfp_eeprom_base { 7 u8 phys_id; 8 u8 phys_ext_id; 9 u8 connector; 10 #if defined __BIG_ENDIAN_BITFIELD 11 u8 e10g_base_er:1; 12 u8 e10g_base_lrm:1; 13 u8 e10g_base_lr:1; 14 u8 e10g_base_sr:1; 15 u8 if_1x_sx:1; 16 u8 if_1x_lx:1; 17 u8 if_1x_copper_active:1; 18 u8 if_1x_copper_passive:1; 19 20 u8 escon_mmf_1310_led:1; 21 u8 escon_smf_1310_laser:1; 22 u8 sonet_oc192_short_reach:1; 23 u8 sonet_reach_bit1:1; 24 u8 sonet_reach_bit2:1; 25 u8 sonet_oc48_long_reach:1; 26 u8 sonet_oc48_intermediate_reach:1; 27 u8 sonet_oc48_short_reach:1; 28 29 u8 unallocated_5_7:1; 30 u8 sonet_oc12_smf_long_reach:1; 31 u8 sonet_oc12_smf_intermediate_reach:1; 32 u8 sonet_oc12_short_reach:1; 33 u8 unallocated_5_3:1; 34 u8 sonet_oc3_smf_long_reach:1; 35 u8 sonet_oc3_smf_intermediate_reach:1; 36 u8 sonet_oc3_short_reach:1; 37 38 u8 e_base_px:1; 39 u8 e_base_bx10:1; 40 u8 e100_base_fx:1; 41 u8 e100_base_lx:1; 42 u8 e1000_base_t:1; 43 u8 e1000_base_cx:1; 44 u8 e1000_base_lx:1; 45 u8 e1000_base_sx:1; 46 47 u8 fc_ll_v:1; 48 u8 fc_ll_s:1; 49 u8 fc_ll_i:1; 50 u8 fc_ll_l:1; 51 u8 fc_ll_m:1; 52 u8 fc_tech_sa:1; 53 u8 fc_tech_lc:1; 54 u8 fc_tech_electrical_inter_enclosure:1; 55 56 u8 fc_tech_electrical_intra_enclosure:1; 57 u8 fc_tech_sn:1; 58 u8 fc_tech_sl:1; 59 u8 fc_tech_ll:1; 60 u8 sfp_ct_active:1; 61 u8 sfp_ct_passive:1; 62 u8 unallocated_8_1:1; 63 u8 unallocated_8_0:1; 64 65 u8 fc_media_tw:1; 66 u8 fc_media_tp:1; 67 u8 fc_media_mi:1; 68 u8 fc_media_tv:1; 69 u8 fc_media_m6:1; 70 u8 fc_media_m5:1; 71 u8 unallocated_9_1:1; 72 u8 fc_media_sm:1; 73 74 u8 fc_speed_1200:1; 75 u8 fc_speed_800:1; 76 u8 fc_speed_1600:1; 77 u8 fc_speed_400:1; 78 u8 fc_speed_3200:1; 79 u8 fc_speed_200:1; 80 u8 unallocated_10_1:1; 81 u8 fc_speed_100:1; 82 #elif defined __LITTLE_ENDIAN_BITFIELD 83 u8 if_1x_copper_passive:1; 84 u8 if_1x_copper_active:1; 85 u8 if_1x_lx:1; 86 u8 if_1x_sx:1; 87 u8 e10g_base_sr:1; 88 u8 e10g_base_lr:1; 89 u8 e10g_base_lrm:1; 90 u8 e10g_base_er:1; 91 92 u8 sonet_oc3_short_reach:1; 93 u8 sonet_oc3_smf_intermediate_reach:1; 94 u8 sonet_oc3_smf_long_reach:1; 95 u8 unallocated_5_3:1; 96 u8 sonet_oc12_short_reach:1; 97 u8 sonet_oc12_smf_intermediate_reach:1; 98 u8 sonet_oc12_smf_long_reach:1; 99 u8 unallocated_5_7:1; 100 101 u8 sonet_oc48_short_reach:1; 102 u8 sonet_oc48_intermediate_reach:1; 103 u8 sonet_oc48_long_reach:1; 104 u8 sonet_reach_bit2:1; 105 u8 sonet_reach_bit1:1; 106 u8 sonet_oc192_short_reach:1; 107 u8 escon_smf_1310_laser:1; 108 u8 escon_mmf_1310_led:1; 109 110 u8 e1000_base_sx:1; 111 u8 e1000_base_lx:1; 112 u8 e1000_base_cx:1; 113 u8 e1000_base_t:1; 114 u8 e100_base_lx:1; 115 u8 e100_base_fx:1; 116 u8 e_base_bx10:1; 117 u8 e_base_px:1; 118 119 u8 fc_tech_electrical_inter_enclosure:1; 120 u8 fc_tech_lc:1; 121 u8 fc_tech_sa:1; 122 u8 fc_ll_m:1; 123 u8 fc_ll_l:1; 124 u8 fc_ll_i:1; 125 u8 fc_ll_s:1; 126 u8 fc_ll_v:1; 127 128 u8 unallocated_8_0:1; 129 u8 unallocated_8_1:1; 130 u8 sfp_ct_passive:1; 131 u8 sfp_ct_active:1; 132 u8 fc_tech_ll:1; 133 u8 fc_tech_sl:1; 134 u8 fc_tech_sn:1; 135 u8 fc_tech_electrical_intra_enclosure:1; 136 137 u8 fc_media_sm:1; 138 u8 unallocated_9_1:1; 139 u8 fc_media_m5:1; 140 u8 fc_media_m6:1; 141 u8 fc_media_tv:1; 142 u8 fc_media_mi:1; 143 u8 fc_media_tp:1; 144 u8 fc_media_tw:1; 145 146 u8 fc_speed_100:1; 147 u8 unallocated_10_1:1; 148 u8 fc_speed_200:1; 149 u8 fc_speed_3200:1; 150 u8 fc_speed_400:1; 151 u8 fc_speed_1600:1; 152 u8 fc_speed_800:1; 153 u8 fc_speed_1200:1; 154 #else 155 #error Unknown Endian 156 #endif 157 u8 encoding; 158 u8 br_nominal; 159 u8 rate_id; 160 u8 link_len[6]; 161 char vendor_name[16]; 162 u8 extended_cc; 163 char vendor_oui[3]; 164 char vendor_pn[16]; 165 char vendor_rev[4]; 166 union { 167 __be16 optical_wavelength; 168 __be16 cable_compliance; 169 struct { 170 #if defined __BIG_ENDIAN_BITFIELD 171 u8 reserved60_2:6; 172 u8 fc_pi_4_app_h:1; 173 u8 sff8431_app_e:1; 174 u8 reserved61:8; 175 #elif defined __LITTLE_ENDIAN_BITFIELD 176 u8 sff8431_app_e:1; 177 u8 fc_pi_4_app_h:1; 178 u8 reserved60_2:6; 179 u8 reserved61:8; 180 #else 181 #error Unknown Endian 182 #endif 183 } __packed passive; 184 struct { 185 #if defined __BIG_ENDIAN_BITFIELD 186 u8 reserved60_4:4; 187 u8 fc_pi_4_lim:1; 188 u8 sff8431_lim:1; 189 u8 fc_pi_4_app_h:1; 190 u8 sff8431_app_e:1; 191 u8 reserved61:8; 192 #elif defined __LITTLE_ENDIAN_BITFIELD 193 u8 sff8431_app_e:1; 194 u8 fc_pi_4_app_h:1; 195 u8 sff8431_lim:1; 196 u8 fc_pi_4_lim:1; 197 u8 reserved60_4:4; 198 u8 reserved61:8; 199 #else 200 #error Unknown Endian 201 #endif 202 } __packed active; 203 } __packed; 204 u8 reserved62; 205 u8 cc_base; 206 } __packed; 207 208 struct sfp_eeprom_ext { 209 __be16 options; 210 u8 br_max; 211 u8 br_min; 212 char vendor_sn[16]; 213 char datecode[8]; 214 u8 diagmon; 215 u8 enhopts; 216 u8 sff8472_compliance; 217 u8 cc_ext; 218 } __packed; 219 220 /** 221 * struct sfp_eeprom_id - raw SFP module identification information 222 * @base: base SFP module identification structure 223 * @ext: extended SFP module identification structure 224 * 225 * See the SFF-8472 specification and related documents for the definition 226 * of these structure members. This can be obtained from 227 * ftp://ftp.seagate.com/sff 228 */ 229 struct sfp_eeprom_id { 230 struct sfp_eeprom_base base; 231 struct sfp_eeprom_ext ext; 232 } __packed; 233 234 struct sfp_diag { 235 __be16 temp_high_alarm; 236 __be16 temp_low_alarm; 237 __be16 temp_high_warn; 238 __be16 temp_low_warn; 239 __be16 volt_high_alarm; 240 __be16 volt_low_alarm; 241 __be16 volt_high_warn; 242 __be16 volt_low_warn; 243 __be16 bias_high_alarm; 244 __be16 bias_low_alarm; 245 __be16 bias_high_warn; 246 __be16 bias_low_warn; 247 __be16 txpwr_high_alarm; 248 __be16 txpwr_low_alarm; 249 __be16 txpwr_high_warn; 250 __be16 txpwr_low_warn; 251 __be16 rxpwr_high_alarm; 252 __be16 rxpwr_low_alarm; 253 __be16 rxpwr_high_warn; 254 __be16 rxpwr_low_warn; 255 __be16 laser_temp_high_alarm; 256 __be16 laser_temp_low_alarm; 257 __be16 laser_temp_high_warn; 258 __be16 laser_temp_low_warn; 259 __be16 tec_cur_high_alarm; 260 __be16 tec_cur_low_alarm; 261 __be16 tec_cur_high_warn; 262 __be16 tec_cur_low_warn; 263 __be32 cal_rxpwr4; 264 __be32 cal_rxpwr3; 265 __be32 cal_rxpwr2; 266 __be32 cal_rxpwr1; 267 __be32 cal_rxpwr0; 268 __be16 cal_txi_slope; 269 __be16 cal_txi_offset; 270 __be16 cal_txpwr_slope; 271 __be16 cal_txpwr_offset; 272 __be16 cal_t_slope; 273 __be16 cal_t_offset; 274 __be16 cal_v_slope; 275 __be16 cal_v_offset; 276 } __packed; 277 278 /* SFP EEPROM registers */ 279 enum { 280 SFP_PHYS_ID = 0x00, 281 SFP_PHYS_EXT_ID = 0x01, 282 SFP_CONNECTOR = 0x02, 283 SFP_COMPLIANCE = 0x03, 284 SFP_ENCODING = 0x0b, 285 SFP_BR_NOMINAL = 0x0c, 286 SFP_RATE_ID = 0x0d, 287 SFP_LINK_LEN_SM_KM = 0x0e, 288 SFP_LINK_LEN_SM_100M = 0x0f, 289 SFP_LINK_LEN_50UM_OM2_10M = 0x10, 290 SFP_LINK_LEN_62_5UM_OM1_10M = 0x11, 291 SFP_LINK_LEN_COPPER_1M = 0x12, 292 SFP_LINK_LEN_50UM_OM4_10M = 0x12, 293 SFP_LINK_LEN_50UM_OM3_10M = 0x13, 294 SFP_VENDOR_NAME = 0x14, 295 SFP_VENDOR_OUI = 0x25, 296 SFP_VENDOR_PN = 0x28, 297 SFP_VENDOR_REV = 0x38, 298 SFP_OPTICAL_WAVELENGTH_MSB = 0x3c, 299 SFP_OPTICAL_WAVELENGTH_LSB = 0x3d, 300 SFP_CABLE_SPEC = 0x3c, 301 SFP_CC_BASE = 0x3f, 302 SFP_OPTIONS = 0x40, /* 2 bytes, MSB, LSB */ 303 SFP_BR_MAX = 0x42, 304 SFP_BR_MIN = 0x43, 305 SFP_VENDOR_SN = 0x44, 306 SFP_DATECODE = 0x54, 307 SFP_DIAGMON = 0x5c, 308 SFP_ENHOPTS = 0x5d, 309 SFP_SFF8472_COMPLIANCE = 0x5e, 310 SFP_CC_EXT = 0x5f, 311 312 SFP_PHYS_ID_SFF = 0x02, 313 SFP_PHYS_ID_SFP = 0x03, 314 SFP_PHYS_EXT_ID_SFP = 0x04, 315 SFP_CONNECTOR_UNSPEC = 0x00, 316 /* codes 01-05 not supportable on SFP, but some modules have single SC */ 317 SFP_CONNECTOR_SC = 0x01, 318 SFP_CONNECTOR_FIBERJACK = 0x06, 319 SFP_CONNECTOR_LC = 0x07, 320 SFP_CONNECTOR_MT_RJ = 0x08, 321 SFP_CONNECTOR_MU = 0x09, 322 SFP_CONNECTOR_SG = 0x0a, 323 SFP_CONNECTOR_OPTICAL_PIGTAIL = 0x0b, 324 SFP_CONNECTOR_MPO_1X12 = 0x0c, 325 SFP_CONNECTOR_MPO_2X16 = 0x0d, 326 SFP_CONNECTOR_HSSDC_II = 0x20, 327 SFP_CONNECTOR_COPPER_PIGTAIL = 0x21, 328 SFP_CONNECTOR_RJ45 = 0x22, 329 SFP_CONNECTOR_NOSEPARATE = 0x23, 330 SFP_CONNECTOR_MXC_2X16 = 0x24, 331 SFP_ENCODING_UNSPEC = 0x00, 332 SFP_ENCODING_8B10B = 0x01, 333 SFP_ENCODING_4B5B = 0x02, 334 SFP_ENCODING_NRZ = 0x03, 335 SFP_ENCODING_8472_MANCHESTER = 0x04, 336 SFP_ENCODING_8472_SONET = 0x05, 337 SFP_ENCODING_8472_64B66B = 0x06, 338 SFP_ENCODING_256B257B = 0x07, 339 SFP_ENCODING_PAM4 = 0x08, 340 SFP_OPTIONS_HIGH_POWER_LEVEL = BIT(13), 341 SFP_OPTIONS_PAGING_A2 = BIT(12), 342 SFP_OPTIONS_RETIMER = BIT(11), 343 SFP_OPTIONS_COOLED_XCVR = BIT(10), 344 SFP_OPTIONS_POWER_DECL = BIT(9), 345 SFP_OPTIONS_RX_LINEAR_OUT = BIT(8), 346 SFP_OPTIONS_RX_DECISION_THRESH = BIT(7), 347 SFP_OPTIONS_TUNABLE_TX = BIT(6), 348 SFP_OPTIONS_RATE_SELECT = BIT(5), 349 SFP_OPTIONS_TX_DISABLE = BIT(4), 350 SFP_OPTIONS_TX_FAULT = BIT(3), 351 SFP_OPTIONS_LOS_INVERTED = BIT(2), 352 SFP_OPTIONS_LOS_NORMAL = BIT(1), 353 SFP_DIAGMON_DDM = BIT(6), 354 SFP_DIAGMON_INT_CAL = BIT(5), 355 SFP_DIAGMON_EXT_CAL = BIT(4), 356 SFP_DIAGMON_RXPWR_AVG = BIT(3), 357 SFP_DIAGMON_ADDRMODE = BIT(2), 358 SFP_ENHOPTS_ALARMWARN = BIT(7), 359 SFP_ENHOPTS_SOFT_TX_DISABLE = BIT(6), 360 SFP_ENHOPTS_SOFT_TX_FAULT = BIT(5), 361 SFP_ENHOPTS_SOFT_RX_LOS = BIT(4), 362 SFP_ENHOPTS_SOFT_RATE_SELECT = BIT(3), 363 SFP_ENHOPTS_APP_SELECT_SFF8079 = BIT(2), 364 SFP_ENHOPTS_SOFT_RATE_SFF8431 = BIT(1), 365 SFP_SFF8472_COMPLIANCE_NONE = 0x00, 366 SFP_SFF8472_COMPLIANCE_REV9_3 = 0x01, 367 SFP_SFF8472_COMPLIANCE_REV9_5 = 0x02, 368 SFP_SFF8472_COMPLIANCE_REV10_2 = 0x03, 369 SFP_SFF8472_COMPLIANCE_REV10_4 = 0x04, 370 SFP_SFF8472_COMPLIANCE_REV11_0 = 0x05, 371 SFP_SFF8472_COMPLIANCE_REV11_3 = 0x06, 372 SFP_SFF8472_COMPLIANCE_REV11_4 = 0x07, 373 SFP_SFF8472_COMPLIANCE_REV12_0 = 0x08, 374 }; 375 376 /* SFP Diagnostics */ 377 enum { 378 /* Alarm and warnings stored MSB at lower address then LSB */ 379 SFP_TEMP_HIGH_ALARM = 0x00, 380 SFP_TEMP_LOW_ALARM = 0x02, 381 SFP_TEMP_HIGH_WARN = 0x04, 382 SFP_TEMP_LOW_WARN = 0x06, 383 SFP_VOLT_HIGH_ALARM = 0x08, 384 SFP_VOLT_LOW_ALARM = 0x0a, 385 SFP_VOLT_HIGH_WARN = 0x0c, 386 SFP_VOLT_LOW_WARN = 0x0e, 387 SFP_BIAS_HIGH_ALARM = 0x10, 388 SFP_BIAS_LOW_ALARM = 0x12, 389 SFP_BIAS_HIGH_WARN = 0x14, 390 SFP_BIAS_LOW_WARN = 0x16, 391 SFP_TXPWR_HIGH_ALARM = 0x18, 392 SFP_TXPWR_LOW_ALARM = 0x1a, 393 SFP_TXPWR_HIGH_WARN = 0x1c, 394 SFP_TXPWR_LOW_WARN = 0x1e, 395 SFP_RXPWR_HIGH_ALARM = 0x20, 396 SFP_RXPWR_LOW_ALARM = 0x22, 397 SFP_RXPWR_HIGH_WARN = 0x24, 398 SFP_RXPWR_LOW_WARN = 0x26, 399 SFP_LASER_TEMP_HIGH_ALARM = 0x28, 400 SFP_LASER_TEMP_LOW_ALARM = 0x2a, 401 SFP_LASER_TEMP_HIGH_WARN = 0x2c, 402 SFP_LASER_TEMP_LOW_WARN = 0x2e, 403 SFP_TEC_CUR_HIGH_ALARM = 0x30, 404 SFP_TEC_CUR_LOW_ALARM = 0x32, 405 SFP_TEC_CUR_HIGH_WARN = 0x34, 406 SFP_TEC_CUR_LOW_WARN = 0x36, 407 SFP_CAL_RXPWR4 = 0x38, 408 SFP_CAL_RXPWR3 = 0x3c, 409 SFP_CAL_RXPWR2 = 0x40, 410 SFP_CAL_RXPWR1 = 0x44, 411 SFP_CAL_RXPWR0 = 0x48, 412 SFP_CAL_TXI_SLOPE = 0x4c, 413 SFP_CAL_TXI_OFFSET = 0x4e, 414 SFP_CAL_TXPWR_SLOPE = 0x50, 415 SFP_CAL_TXPWR_OFFSET = 0x52, 416 SFP_CAL_T_SLOPE = 0x54, 417 SFP_CAL_T_OFFSET = 0x56, 418 SFP_CAL_V_SLOPE = 0x58, 419 SFP_CAL_V_OFFSET = 0x5a, 420 SFP_CHKSUM = 0x5f, 421 422 SFP_TEMP = 0x60, 423 SFP_VCC = 0x62, 424 SFP_TX_BIAS = 0x64, 425 SFP_TX_POWER = 0x66, 426 SFP_RX_POWER = 0x68, 427 SFP_LASER_TEMP = 0x6a, 428 SFP_TEC_CUR = 0x6c, 429 430 SFP_STATUS = 0x6e, 431 SFP_ALARM0 = 0x70, 432 SFP_ALARM0_TEMP_HIGH = BIT(7), 433 SFP_ALARM0_TEMP_LOW = BIT(6), 434 SFP_ALARM0_VCC_HIGH = BIT(5), 435 SFP_ALARM0_VCC_LOW = BIT(4), 436 SFP_ALARM0_TX_BIAS_HIGH = BIT(3), 437 SFP_ALARM0_TX_BIAS_LOW = BIT(2), 438 SFP_ALARM0_TXPWR_HIGH = BIT(1), 439 SFP_ALARM0_TXPWR_LOW = BIT(0), 440 441 SFP_ALARM1 = 0x71, 442 SFP_ALARM1_RXPWR_HIGH = BIT(7), 443 SFP_ALARM1_RXPWR_LOW = BIT(6), 444 445 SFP_WARN0 = 0x74, 446 SFP_WARN0_TEMP_HIGH = BIT(7), 447 SFP_WARN0_TEMP_LOW = BIT(6), 448 SFP_WARN0_VCC_HIGH = BIT(5), 449 SFP_WARN0_VCC_LOW = BIT(4), 450 SFP_WARN0_TX_BIAS_HIGH = BIT(3), 451 SFP_WARN0_TX_BIAS_LOW = BIT(2), 452 SFP_WARN0_TXPWR_HIGH = BIT(1), 453 SFP_WARN0_TXPWR_LOW = BIT(0), 454 455 SFP_WARN1 = 0x75, 456 SFP_WARN1_RXPWR_HIGH = BIT(7), 457 SFP_WARN1_RXPWR_LOW = BIT(6), 458 459 SFP_EXT_STATUS = 0x76, 460 SFP_VSL = 0x78, 461 SFP_PAGE = 0x7f, 462 }; 463 464 struct fwnode_handle; 465 struct ethtool_eeprom; 466 struct ethtool_modinfo; 467 struct net_device; 468 struct sfp_bus; 469 470 /** 471 * struct sfp_upstream_ops - upstream operations structure 472 * @module_insert: called after a module has been detected to determine 473 * whether the module is supported for the upstream device. 474 * @module_remove: called after the module has been removed. 475 * @link_down: called when the link is non-operational for whatever 476 * reason. 477 * @link_up: called when the link is operational. 478 * @connect_phy: called when an I2C accessible PHY has been detected 479 * on the module. 480 * @disconnect_phy: called when a module with an I2C accessible PHY has 481 * been removed. 482 */ 483 struct sfp_upstream_ops { 484 int (*module_insert)(void *priv, const struct sfp_eeprom_id *id); 485 void (*module_remove)(void *priv); 486 void (*link_down)(void *priv); 487 void (*link_up)(void *priv); 488 int (*connect_phy)(void *priv, struct phy_device *); 489 void (*disconnect_phy)(void *priv); 490 }; 491 492 #if IS_ENABLED(CONFIG_SFP) 493 int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id, 494 unsigned long *support); 495 void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id, 496 unsigned long *support); 497 phy_interface_t sfp_select_interface(struct sfp_bus *bus, 498 const struct sfp_eeprom_id *id, 499 unsigned long *link_modes); 500 501 int sfp_get_module_info(struct sfp_bus *bus, struct ethtool_modinfo *modinfo); 502 int sfp_get_module_eeprom(struct sfp_bus *bus, struct ethtool_eeprom *ee, 503 u8 *data); 504 void sfp_upstream_start(struct sfp_bus *bus); 505 void sfp_upstream_stop(struct sfp_bus *bus); 506 struct sfp_bus *sfp_register_upstream(struct fwnode_handle *fwnode, 507 struct net_device *ndev, void *upstream, 508 const struct sfp_upstream_ops *ops); 509 void sfp_unregister_upstream(struct sfp_bus *bus); 510 #else 511 static inline int sfp_parse_port(struct sfp_bus *bus, 512 const struct sfp_eeprom_id *id, 513 unsigned long *support) 514 { 515 return PORT_OTHER; 516 } 517 518 static inline void sfp_parse_support(struct sfp_bus *bus, 519 const struct sfp_eeprom_id *id, 520 unsigned long *support) 521 { 522 } 523 524 static inline phy_interface_t sfp_select_interface(struct sfp_bus *bus, 525 const struct sfp_eeprom_id *id, 526 unsigned long *link_modes) 527 { 528 return PHY_INTERFACE_MODE_NA; 529 } 530 531 static inline int sfp_get_module_info(struct sfp_bus *bus, 532 struct ethtool_modinfo *modinfo) 533 { 534 return -EOPNOTSUPP; 535 } 536 537 static inline int sfp_get_module_eeprom(struct sfp_bus *bus, 538 struct ethtool_eeprom *ee, u8 *data) 539 { 540 return -EOPNOTSUPP; 541 } 542 543 static inline void sfp_upstream_start(struct sfp_bus *bus) 544 { 545 } 546 547 static inline void sfp_upstream_stop(struct sfp_bus *bus) 548 { 549 } 550 551 static inline struct sfp_bus *sfp_register_upstream( 552 struct fwnode_handle *fwnode, 553 struct net_device *ndev, void *upstream, 554 const struct sfp_upstream_ops *ops) 555 { 556 return (struct sfp_bus *)-1; 557 } 558 559 static inline void sfp_unregister_upstream(struct sfp_bus *bus) 560 { 561 } 562 #endif 563 564 #endif 565