1 /****************************************************************************** 2 3 Copyright (c) 2001-2011, Intel Corporation 4 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 are met: 8 9 1. Redistributions of source code must retain the above copyright notice, 10 this list of conditions and the following disclaimer. 11 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 3. Neither the name of the Intel Corporation nor the names of its 17 contributors may be used to endorse or promote products derived from 18 this software without specific prior written permission. 19 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 POSSIBILITY OF SUCH DAMAGE. 31 32 ******************************************************************************/ 33 /*$FreeBSD$*/ 34 35 #include "e1000_api.h" 36 37 /** 38 * e1000_init_mac_params - Initialize MAC function pointers 39 * @hw: pointer to the HW structure 40 * 41 * This function initializes the function pointers for the MAC 42 * set of functions. Called by drivers or by e1000_setup_init_funcs. 43 **/ 44 s32 e1000_init_mac_params(struct e1000_hw *hw) 45 { 46 s32 ret_val = E1000_SUCCESS; 47 48 if (hw->mac.ops.init_params) { 49 ret_val = hw->mac.ops.init_params(hw); 50 if (ret_val) { 51 DEBUGOUT("MAC Initialization Error\n"); 52 goto out; 53 } 54 } else { 55 DEBUGOUT("mac.init_mac_params was NULL\n"); 56 ret_val = -E1000_ERR_CONFIG; 57 } 58 59 out: 60 return ret_val; 61 } 62 63 /** 64 * e1000_init_nvm_params - Initialize NVM function pointers 65 * @hw: pointer to the HW structure 66 * 67 * This function initializes the function pointers for the NVM 68 * set of functions. Called by drivers or by e1000_setup_init_funcs. 69 **/ 70 s32 e1000_init_nvm_params(struct e1000_hw *hw) 71 { 72 s32 ret_val = E1000_SUCCESS; 73 74 if (hw->nvm.ops.init_params) { 75 ret_val = hw->nvm.ops.init_params(hw); 76 if (ret_val) { 77 DEBUGOUT("NVM Initialization Error\n"); 78 goto out; 79 } 80 } else { 81 DEBUGOUT("nvm.init_nvm_params was NULL\n"); 82 ret_val = -E1000_ERR_CONFIG; 83 } 84 85 out: 86 return ret_val; 87 } 88 89 /** 90 * e1000_init_phy_params - Initialize PHY function pointers 91 * @hw: pointer to the HW structure 92 * 93 * This function initializes the function pointers for the PHY 94 * set of functions. Called by drivers or by e1000_setup_init_funcs. 95 **/ 96 s32 e1000_init_phy_params(struct e1000_hw *hw) 97 { 98 s32 ret_val = E1000_SUCCESS; 99 100 if (hw->phy.ops.init_params) { 101 ret_val = hw->phy.ops.init_params(hw); 102 if (ret_val) { 103 DEBUGOUT("PHY Initialization Error\n"); 104 goto out; 105 } 106 } else { 107 DEBUGOUT("phy.init_phy_params was NULL\n"); 108 ret_val = -E1000_ERR_CONFIG; 109 } 110 111 out: 112 return ret_val; 113 } 114 115 /** 116 * e1000_init_mbx_params - Initialize mailbox function pointers 117 * @hw: pointer to the HW structure 118 * 119 * This function initializes the function pointers for the PHY 120 * set of functions. Called by drivers or by e1000_setup_init_funcs. 121 **/ 122 s32 e1000_init_mbx_params(struct e1000_hw *hw) 123 { 124 s32 ret_val = E1000_SUCCESS; 125 126 if (hw->mbx.ops.init_params) { 127 ret_val = hw->mbx.ops.init_params(hw); 128 if (ret_val) { 129 DEBUGOUT("Mailbox Initialization Error\n"); 130 goto out; 131 } 132 } else { 133 DEBUGOUT("mbx.init_mbx_params was NULL\n"); 134 ret_val = -E1000_ERR_CONFIG; 135 } 136 137 out: 138 return ret_val; 139 } 140 141 /** 142 * e1000_set_mac_type - Sets MAC type 143 * @hw: pointer to the HW structure 144 * 145 * This function sets the mac type of the adapter based on the 146 * device ID stored in the hw structure. 147 * MUST BE FIRST FUNCTION CALLED (explicitly or through 148 * e1000_setup_init_funcs()). 149 **/ 150 s32 e1000_set_mac_type(struct e1000_hw *hw) 151 { 152 struct e1000_mac_info *mac = &hw->mac; 153 s32 ret_val = E1000_SUCCESS; 154 155 DEBUGFUNC("e1000_set_mac_type"); 156 157 switch (hw->device_id) { 158 #ifndef NO_82542_SUPPORT 159 case E1000_DEV_ID_82542: 160 mac->type = e1000_82542; 161 break; 162 #endif 163 case E1000_DEV_ID_82543GC_FIBER: 164 case E1000_DEV_ID_82543GC_COPPER: 165 mac->type = e1000_82543; 166 break; 167 case E1000_DEV_ID_82544EI_COPPER: 168 case E1000_DEV_ID_82544EI_FIBER: 169 case E1000_DEV_ID_82544GC_COPPER: 170 case E1000_DEV_ID_82544GC_LOM: 171 mac->type = e1000_82544; 172 break; 173 case E1000_DEV_ID_82540EM: 174 case E1000_DEV_ID_82540EM_LOM: 175 case E1000_DEV_ID_82540EP: 176 case E1000_DEV_ID_82540EP_LOM: 177 case E1000_DEV_ID_82540EP_LP: 178 mac->type = e1000_82540; 179 break; 180 case E1000_DEV_ID_82545EM_COPPER: 181 case E1000_DEV_ID_82545EM_FIBER: 182 mac->type = e1000_82545; 183 break; 184 case E1000_DEV_ID_82545GM_COPPER: 185 case E1000_DEV_ID_82545GM_FIBER: 186 case E1000_DEV_ID_82545GM_SERDES: 187 mac->type = e1000_82545_rev_3; 188 break; 189 case E1000_DEV_ID_82546EB_COPPER: 190 case E1000_DEV_ID_82546EB_FIBER: 191 case E1000_DEV_ID_82546EB_QUAD_COPPER: 192 mac->type = e1000_82546; 193 break; 194 case E1000_DEV_ID_82546GB_COPPER: 195 case E1000_DEV_ID_82546GB_FIBER: 196 case E1000_DEV_ID_82546GB_SERDES: 197 case E1000_DEV_ID_82546GB_PCIE: 198 case E1000_DEV_ID_82546GB_QUAD_COPPER: 199 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: 200 mac->type = e1000_82546_rev_3; 201 break; 202 case E1000_DEV_ID_82541EI: 203 case E1000_DEV_ID_82541EI_MOBILE: 204 case E1000_DEV_ID_82541ER_LOM: 205 mac->type = e1000_82541; 206 break; 207 case E1000_DEV_ID_82541ER: 208 case E1000_DEV_ID_82541GI: 209 case E1000_DEV_ID_82541GI_LF: 210 case E1000_DEV_ID_82541GI_MOBILE: 211 mac->type = e1000_82541_rev_2; 212 break; 213 case E1000_DEV_ID_82547EI: 214 case E1000_DEV_ID_82547EI_MOBILE: 215 mac->type = e1000_82547; 216 break; 217 case E1000_DEV_ID_82547GI: 218 mac->type = e1000_82547_rev_2; 219 break; 220 case E1000_DEV_ID_82571EB_COPPER: 221 case E1000_DEV_ID_82571EB_FIBER: 222 case E1000_DEV_ID_82571EB_SERDES: 223 case E1000_DEV_ID_82571EB_SERDES_DUAL: 224 case E1000_DEV_ID_82571EB_SERDES_QUAD: 225 case E1000_DEV_ID_82571EB_QUAD_COPPER: 226 case E1000_DEV_ID_82571PT_QUAD_COPPER: 227 case E1000_DEV_ID_82571EB_QUAD_FIBER: 228 case E1000_DEV_ID_82571EB_QUAD_COPPER_LP: 229 case E1000_DEV_ID_82571EB_QUAD_COPPER_BP: 230 mac->type = e1000_82571; 231 break; 232 case E1000_DEV_ID_82572EI: 233 case E1000_DEV_ID_82572EI_COPPER: 234 case E1000_DEV_ID_82572EI_FIBER: 235 case E1000_DEV_ID_82572EI_SERDES: 236 mac->type = e1000_82572; 237 break; 238 case E1000_DEV_ID_82573E: 239 case E1000_DEV_ID_82573E_IAMT: 240 case E1000_DEV_ID_82573L: 241 mac->type = e1000_82573; 242 break; 243 case E1000_DEV_ID_82574L: 244 case E1000_DEV_ID_82574LA: 245 mac->type = e1000_82574; 246 break; 247 case E1000_DEV_ID_82583V: 248 mac->type = e1000_82583; 249 break; 250 case E1000_DEV_ID_80003ES2LAN_COPPER_DPT: 251 case E1000_DEV_ID_80003ES2LAN_SERDES_DPT: 252 case E1000_DEV_ID_80003ES2LAN_COPPER_SPT: 253 case E1000_DEV_ID_80003ES2LAN_SERDES_SPT: 254 mac->type = e1000_80003es2lan; 255 break; 256 case E1000_DEV_ID_ICH8_IFE: 257 case E1000_DEV_ID_ICH8_IFE_GT: 258 case E1000_DEV_ID_ICH8_IFE_G: 259 case E1000_DEV_ID_ICH8_IGP_M: 260 case E1000_DEV_ID_ICH8_IGP_M_AMT: 261 case E1000_DEV_ID_ICH8_IGP_AMT: 262 case E1000_DEV_ID_ICH8_IGP_C: 263 case E1000_DEV_ID_ICH8_82567V_3: 264 mac->type = e1000_ich8lan; 265 break; 266 case E1000_DEV_ID_ICH9_IFE: 267 case E1000_DEV_ID_ICH9_IFE_GT: 268 case E1000_DEV_ID_ICH9_IFE_G: 269 case E1000_DEV_ID_ICH9_IGP_M: 270 case E1000_DEV_ID_ICH9_IGP_M_AMT: 271 case E1000_DEV_ID_ICH9_IGP_M_V: 272 case E1000_DEV_ID_ICH9_IGP_AMT: 273 case E1000_DEV_ID_ICH9_BM: 274 case E1000_DEV_ID_ICH9_IGP_C: 275 case E1000_DEV_ID_ICH10_R_BM_LM: 276 case E1000_DEV_ID_ICH10_R_BM_LF: 277 case E1000_DEV_ID_ICH10_R_BM_V: 278 mac->type = e1000_ich9lan; 279 break; 280 case E1000_DEV_ID_ICH10_D_BM_LM: 281 case E1000_DEV_ID_ICH10_D_BM_LF: 282 case E1000_DEV_ID_ICH10_D_BM_V: 283 mac->type = e1000_ich10lan; 284 break; 285 case E1000_DEV_ID_PCH_D_HV_DM: 286 case E1000_DEV_ID_PCH_D_HV_DC: 287 case E1000_DEV_ID_PCH_M_HV_LM: 288 case E1000_DEV_ID_PCH_M_HV_LC: 289 mac->type = e1000_pchlan; 290 break; 291 case E1000_DEV_ID_PCH2_LV_LM: 292 case E1000_DEV_ID_PCH2_LV_V: 293 mac->type = e1000_pch2lan; 294 break; 295 case E1000_DEV_ID_82575EB_COPPER: 296 case E1000_DEV_ID_82575EB_FIBER_SERDES: 297 case E1000_DEV_ID_82575GB_QUAD_COPPER: 298 mac->type = e1000_82575; 299 break; 300 case E1000_DEV_ID_82576: 301 case E1000_DEV_ID_82576_FIBER: 302 case E1000_DEV_ID_82576_SERDES: 303 case E1000_DEV_ID_82576_QUAD_COPPER: 304 case E1000_DEV_ID_82576_QUAD_COPPER_ET2: 305 case E1000_DEV_ID_82576_NS: 306 case E1000_DEV_ID_82576_NS_SERDES: 307 case E1000_DEV_ID_82576_SERDES_QUAD: 308 mac->type = e1000_82576; 309 break; 310 case E1000_DEV_ID_82580_COPPER: 311 case E1000_DEV_ID_82580_FIBER: 312 case E1000_DEV_ID_82580_SERDES: 313 case E1000_DEV_ID_82580_SGMII: 314 case E1000_DEV_ID_82580_COPPER_DUAL: 315 case E1000_DEV_ID_82580_QUAD_FIBER: 316 case E1000_DEV_ID_DH89XXCC_SGMII: 317 case E1000_DEV_ID_DH89XXCC_SERDES: 318 case E1000_DEV_ID_DH89XXCC_BACKPLANE: 319 case E1000_DEV_ID_DH89XXCC_SFP: 320 mac->type = e1000_82580; 321 break; 322 case E1000_DEV_ID_I350_COPPER: 323 case E1000_DEV_ID_I350_FIBER: 324 case E1000_DEV_ID_I350_SERDES: 325 case E1000_DEV_ID_I350_SGMII: 326 case E1000_DEV_ID_I350_DA4: 327 mac->type = e1000_i350; 328 break; 329 #if defined(QV_RELEASE) && defined(SPRINGVILLE_FLASHLESS_HW) 330 case E1000_DEV_ID_I210_NVMLESS: 331 #endif /* QV_RELEASE && SPRINGVILLE_FLASHLESS_HW */ 332 case E1000_DEV_ID_I210_COPPER: 333 case E1000_DEV_ID_I210_COPPER_OEM1: 334 case E1000_DEV_ID_I210_COPPER_IT: 335 case E1000_DEV_ID_I210_FIBER: 336 case E1000_DEV_ID_I210_SERDES: 337 case E1000_DEV_ID_I210_SGMII: 338 mac->type = e1000_i210; 339 break; 340 case E1000_DEV_ID_I211_COPPER: 341 mac->type = e1000_i211; 342 break; 343 case E1000_DEV_ID_82576_VF: 344 mac->type = e1000_vfadapt; 345 break; 346 case E1000_DEV_ID_I350_VF: 347 mac->type = e1000_vfadapt_i350; 348 break; 349 350 default: 351 /* Should never have loaded on this device */ 352 ret_val = -E1000_ERR_MAC_INIT; 353 break; 354 } 355 356 return ret_val; 357 } 358 359 /** 360 * e1000_setup_init_funcs - Initializes function pointers 361 * @hw: pointer to the HW structure 362 * @init_device: TRUE will initialize the rest of the function pointers 363 * getting the device ready for use. FALSE will only set 364 * MAC type and the function pointers for the other init 365 * functions. Passing FALSE will not generate any hardware 366 * reads or writes. 367 * 368 * This function must be called by a driver in order to use the rest 369 * of the 'shared' code files. Called by drivers only. 370 **/ 371 s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device) 372 { 373 s32 ret_val; 374 375 /* Can't do much good without knowing the MAC type. */ 376 ret_val = e1000_set_mac_type(hw); 377 if (ret_val) { 378 DEBUGOUT("ERROR: MAC type could not be set properly.\n"); 379 goto out; 380 } 381 382 if (!hw->hw_addr) { 383 DEBUGOUT("ERROR: Registers not mapped\n"); 384 ret_val = -E1000_ERR_CONFIG; 385 goto out; 386 } 387 388 /* 389 * Init function pointers to generic implementations. We do this first 390 * allowing a driver module to override it afterward. 391 */ 392 e1000_init_mac_ops_generic(hw); 393 e1000_init_phy_ops_generic(hw); 394 e1000_init_nvm_ops_generic(hw); 395 e1000_init_mbx_ops_generic(hw); 396 397 /* 398 * Set up the init function pointers. These are functions within the 399 * adapter family file that sets up function pointers for the rest of 400 * the functions in that family. 401 */ 402 switch (hw->mac.type) { 403 #ifndef NO_82542_SUPPORT 404 case e1000_82542: 405 e1000_init_function_pointers_82542(hw); 406 break; 407 #endif 408 case e1000_82543: 409 case e1000_82544: 410 e1000_init_function_pointers_82543(hw); 411 break; 412 case e1000_82540: 413 case e1000_82545: 414 case e1000_82545_rev_3: 415 case e1000_82546: 416 case e1000_82546_rev_3: 417 e1000_init_function_pointers_82540(hw); 418 break; 419 case e1000_82541: 420 case e1000_82541_rev_2: 421 case e1000_82547: 422 case e1000_82547_rev_2: 423 e1000_init_function_pointers_82541(hw); 424 break; 425 case e1000_82571: 426 case e1000_82572: 427 case e1000_82573: 428 case e1000_82574: 429 case e1000_82583: 430 e1000_init_function_pointers_82571(hw); 431 break; 432 case e1000_80003es2lan: 433 e1000_init_function_pointers_80003es2lan(hw); 434 break; 435 case e1000_ich8lan: 436 case e1000_ich9lan: 437 case e1000_ich10lan: 438 case e1000_pchlan: 439 case e1000_pch2lan: 440 e1000_init_function_pointers_ich8lan(hw); 441 break; 442 case e1000_82575: 443 case e1000_82576: 444 case e1000_82580: 445 case e1000_i350: 446 e1000_init_function_pointers_82575(hw); 447 break; 448 case e1000_i210: 449 case e1000_i211: 450 e1000_init_function_pointers_i210(hw); 451 break; 452 case e1000_vfadapt: 453 e1000_init_function_pointers_vf(hw); 454 break; 455 case e1000_vfadapt_i350: 456 e1000_init_function_pointers_vf(hw); 457 break; 458 default: 459 DEBUGOUT("Hardware not supported\n"); 460 ret_val = -E1000_ERR_CONFIG; 461 break; 462 } 463 464 /* 465 * Initialize the rest of the function pointers. These require some 466 * register reads/writes in some cases. 467 */ 468 if (!(ret_val) && init_device) { 469 ret_val = e1000_init_mac_params(hw); 470 if (ret_val) 471 goto out; 472 473 ret_val = e1000_init_nvm_params(hw); 474 if (ret_val) 475 goto out; 476 477 ret_val = e1000_init_phy_params(hw); 478 if (ret_val) 479 goto out; 480 481 ret_val = e1000_init_mbx_params(hw); 482 if (ret_val) 483 goto out; 484 } 485 486 out: 487 return ret_val; 488 } 489 490 /** 491 * e1000_get_bus_info - Obtain bus information for adapter 492 * @hw: pointer to the HW structure 493 * 494 * This will obtain information about the HW bus for which the 495 * adapter is attached and stores it in the hw structure. This is a 496 * function pointer entry point called by drivers. 497 **/ 498 s32 e1000_get_bus_info(struct e1000_hw *hw) 499 { 500 if (hw->mac.ops.get_bus_info) 501 return hw->mac.ops.get_bus_info(hw); 502 503 return E1000_SUCCESS; 504 } 505 506 /** 507 * e1000_clear_vfta - Clear VLAN filter table 508 * @hw: pointer to the HW structure 509 * 510 * This clears the VLAN filter table on the adapter. This is a function 511 * pointer entry point called by drivers. 512 **/ 513 void e1000_clear_vfta(struct e1000_hw *hw) 514 { 515 if (hw->mac.ops.clear_vfta) 516 hw->mac.ops.clear_vfta(hw); 517 } 518 519 /** 520 * e1000_write_vfta - Write value to VLAN filter table 521 * @hw: pointer to the HW structure 522 * @offset: the 32-bit offset in which to write the value to. 523 * @value: the 32-bit value to write at location offset. 524 * 525 * This writes a 32-bit value to a 32-bit offset in the VLAN filter 526 * table. This is a function pointer entry point called by drivers. 527 **/ 528 void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value) 529 { 530 if (hw->mac.ops.write_vfta) 531 hw->mac.ops.write_vfta(hw, offset, value); 532 } 533 534 /** 535 * e1000_update_mc_addr_list - Update Multicast addresses 536 * @hw: pointer to the HW structure 537 * @mc_addr_list: array of multicast addresses to program 538 * @mc_addr_count: number of multicast addresses to program 539 * 540 * Updates the Multicast Table Array. 541 * The caller must have a packed mc_addr_list of multicast addresses. 542 **/ 543 void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list, 544 u32 mc_addr_count) 545 { 546 if (hw->mac.ops.update_mc_addr_list) 547 hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, 548 mc_addr_count); 549 } 550 551 /** 552 * e1000_force_mac_fc - Force MAC flow control 553 * @hw: pointer to the HW structure 554 * 555 * Force the MAC's flow control settings. Currently no func pointer exists 556 * and all implementations are handled in the generic version of this 557 * function. 558 **/ 559 s32 e1000_force_mac_fc(struct e1000_hw *hw) 560 { 561 return e1000_force_mac_fc_generic(hw); 562 } 563 564 /** 565 * e1000_check_for_link - Check/Store link connection 566 * @hw: pointer to the HW structure 567 * 568 * This checks the link condition of the adapter and stores the 569 * results in the hw->mac structure. This is a function pointer entry 570 * point called by drivers. 571 **/ 572 s32 e1000_check_for_link(struct e1000_hw *hw) 573 { 574 if (hw->mac.ops.check_for_link) 575 return hw->mac.ops.check_for_link(hw); 576 577 return -E1000_ERR_CONFIG; 578 } 579 580 /** 581 * e1000_check_mng_mode - Check management mode 582 * @hw: pointer to the HW structure 583 * 584 * This checks if the adapter has manageability enabled. 585 * This is a function pointer entry point called by drivers. 586 **/ 587 bool e1000_check_mng_mode(struct e1000_hw *hw) 588 { 589 if (hw->mac.ops.check_mng_mode) 590 return hw->mac.ops.check_mng_mode(hw); 591 592 return FALSE; 593 } 594 595 /** 596 * e1000_mng_write_dhcp_info - Writes DHCP info to host interface 597 * @hw: pointer to the HW structure 598 * @buffer: pointer to the host interface 599 * @length: size of the buffer 600 * 601 * Writes the DHCP information to the host interface. 602 **/ 603 s32 e1000_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length) 604 { 605 return e1000_mng_write_dhcp_info_generic(hw, buffer, length); 606 } 607 608 /** 609 * e1000_reset_hw - Reset hardware 610 * @hw: pointer to the HW structure 611 * 612 * This resets the hardware into a known state. This is a function pointer 613 * entry point called by drivers. 614 **/ 615 s32 e1000_reset_hw(struct e1000_hw *hw) 616 { 617 if (hw->mac.ops.reset_hw) 618 return hw->mac.ops.reset_hw(hw); 619 620 return -E1000_ERR_CONFIG; 621 } 622 623 /** 624 * e1000_init_hw - Initialize hardware 625 * @hw: pointer to the HW structure 626 * 627 * This inits the hardware readying it for operation. This is a function 628 * pointer entry point called by drivers. 629 **/ 630 s32 e1000_init_hw(struct e1000_hw *hw) 631 { 632 if (hw->mac.ops.init_hw) 633 return hw->mac.ops.init_hw(hw); 634 635 return -E1000_ERR_CONFIG; 636 } 637 638 /** 639 * e1000_setup_link - Configures link and flow control 640 * @hw: pointer to the HW structure 641 * 642 * This configures link and flow control settings for the adapter. This 643 * is a function pointer entry point called by drivers. While modules can 644 * also call this, they probably call their own version of this function. 645 **/ 646 s32 e1000_setup_link(struct e1000_hw *hw) 647 { 648 if (hw->mac.ops.setup_link) 649 return hw->mac.ops.setup_link(hw); 650 651 return -E1000_ERR_CONFIG; 652 } 653 654 /** 655 * e1000_get_speed_and_duplex - Returns current speed and duplex 656 * @hw: pointer to the HW structure 657 * @speed: pointer to a 16-bit value to store the speed 658 * @duplex: pointer to a 16-bit value to store the duplex. 659 * 660 * This returns the speed and duplex of the adapter in the two 'out' 661 * variables passed in. This is a function pointer entry point called 662 * by drivers. 663 **/ 664 s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex) 665 { 666 if (hw->mac.ops.get_link_up_info) 667 return hw->mac.ops.get_link_up_info(hw, speed, duplex); 668 669 return -E1000_ERR_CONFIG; 670 } 671 672 /** 673 * e1000_setup_led - Configures SW controllable LED 674 * @hw: pointer to the HW structure 675 * 676 * This prepares the SW controllable LED for use and saves the current state 677 * of the LED so it can be later restored. This is a function pointer entry 678 * point called by drivers. 679 **/ 680 s32 e1000_setup_led(struct e1000_hw *hw) 681 { 682 if (hw->mac.ops.setup_led) 683 return hw->mac.ops.setup_led(hw); 684 685 return E1000_SUCCESS; 686 } 687 688 /** 689 * e1000_cleanup_led - Restores SW controllable LED 690 * @hw: pointer to the HW structure 691 * 692 * This restores the SW controllable LED to the value saved off by 693 * e1000_setup_led. This is a function pointer entry point called by drivers. 694 **/ 695 s32 e1000_cleanup_led(struct e1000_hw *hw) 696 { 697 if (hw->mac.ops.cleanup_led) 698 return hw->mac.ops.cleanup_led(hw); 699 700 return E1000_SUCCESS; 701 } 702 703 /** 704 * e1000_blink_led - Blink SW controllable LED 705 * @hw: pointer to the HW structure 706 * 707 * This starts the adapter LED blinking. Request the LED to be setup first 708 * and cleaned up after. This is a function pointer entry point called by 709 * drivers. 710 **/ 711 s32 e1000_blink_led(struct e1000_hw *hw) 712 { 713 if (hw->mac.ops.blink_led) 714 return hw->mac.ops.blink_led(hw); 715 716 return E1000_SUCCESS; 717 } 718 719 /** 720 * e1000_id_led_init - store LED configurations in SW 721 * @hw: pointer to the HW structure 722 * 723 * Initializes the LED config in SW. This is a function pointer entry point 724 * called by drivers. 725 **/ 726 s32 e1000_id_led_init(struct e1000_hw *hw) 727 { 728 if (hw->mac.ops.id_led_init) 729 return hw->mac.ops.id_led_init(hw); 730 731 return E1000_SUCCESS; 732 } 733 734 /** 735 * e1000_led_on - Turn on SW controllable LED 736 * @hw: pointer to the HW structure 737 * 738 * Turns the SW defined LED on. This is a function pointer entry point 739 * called by drivers. 740 **/ 741 s32 e1000_led_on(struct e1000_hw *hw) 742 { 743 if (hw->mac.ops.led_on) 744 return hw->mac.ops.led_on(hw); 745 746 return E1000_SUCCESS; 747 } 748 749 /** 750 * e1000_led_off - Turn off SW controllable LED 751 * @hw: pointer to the HW structure 752 * 753 * Turns the SW defined LED off. This is a function pointer entry point 754 * called by drivers. 755 **/ 756 s32 e1000_led_off(struct e1000_hw *hw) 757 { 758 if (hw->mac.ops.led_off) 759 return hw->mac.ops.led_off(hw); 760 761 return E1000_SUCCESS; 762 } 763 764 /** 765 * e1000_reset_adaptive - Reset adaptive IFS 766 * @hw: pointer to the HW structure 767 * 768 * Resets the adaptive IFS. Currently no func pointer exists and all 769 * implementations are handled in the generic version of this function. 770 **/ 771 void e1000_reset_adaptive(struct e1000_hw *hw) 772 { 773 e1000_reset_adaptive_generic(hw); 774 } 775 776 /** 777 * e1000_update_adaptive - Update adaptive IFS 778 * @hw: pointer to the HW structure 779 * 780 * Updates adapter IFS. Currently no func pointer exists and all 781 * implementations are handled in the generic version of this function. 782 **/ 783 void e1000_update_adaptive(struct e1000_hw *hw) 784 { 785 e1000_update_adaptive_generic(hw); 786 } 787 788 /** 789 * e1000_disable_pcie_master - Disable PCI-Express master access 790 * @hw: pointer to the HW structure 791 * 792 * Disables PCI-Express master access and verifies there are no pending 793 * requests. Currently no func pointer exists and all implementations are 794 * handled in the generic version of this function. 795 **/ 796 s32 e1000_disable_pcie_master(struct e1000_hw *hw) 797 { 798 return e1000_disable_pcie_master_generic(hw); 799 } 800 801 /** 802 * e1000_config_collision_dist - Configure collision distance 803 * @hw: pointer to the HW structure 804 * 805 * Configures the collision distance to the default value and is used 806 * during link setup. 807 **/ 808 void e1000_config_collision_dist(struct e1000_hw *hw) 809 { 810 if (hw->mac.ops.config_collision_dist) 811 hw->mac.ops.config_collision_dist(hw); 812 } 813 814 /** 815 * e1000_rar_set - Sets a receive address register 816 * @hw: pointer to the HW structure 817 * @addr: address to set the RAR to 818 * @index: the RAR to set 819 * 820 * Sets a Receive Address Register (RAR) to the specified address. 821 **/ 822 void e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index) 823 { 824 if (hw->mac.ops.rar_set) 825 hw->mac.ops.rar_set(hw, addr, index); 826 } 827 828 /** 829 * e1000_validate_mdi_setting - Ensures valid MDI/MDIX SW state 830 * @hw: pointer to the HW structure 831 * 832 * Ensures that the MDI/MDIX SW state is valid. 833 **/ 834 s32 e1000_validate_mdi_setting(struct e1000_hw *hw) 835 { 836 if (hw->mac.ops.validate_mdi_setting) 837 return hw->mac.ops.validate_mdi_setting(hw); 838 839 return E1000_SUCCESS; 840 } 841 842 /** 843 * e1000_hash_mc_addr - Determines address location in multicast table 844 * @hw: pointer to the HW structure 845 * @mc_addr: Multicast address to hash. 846 * 847 * This hashes an address to determine its location in the multicast 848 * table. Currently no func pointer exists and all implementations 849 * are handled in the generic version of this function. 850 **/ 851 u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr) 852 { 853 return e1000_hash_mc_addr_generic(hw, mc_addr); 854 } 855 856 /** 857 * e1000_enable_tx_pkt_filtering - Enable packet filtering on TX 858 * @hw: pointer to the HW structure 859 * 860 * Enables packet filtering on transmit packets if manageability is enabled 861 * and host interface is enabled. 862 * Currently no func pointer exists and all implementations are handled in the 863 * generic version of this function. 864 **/ 865 bool e1000_enable_tx_pkt_filtering(struct e1000_hw *hw) 866 { 867 return e1000_enable_tx_pkt_filtering_generic(hw); 868 } 869 870 /** 871 * e1000_mng_host_if_write - Writes to the manageability host interface 872 * @hw: pointer to the HW structure 873 * @buffer: pointer to the host interface buffer 874 * @length: size of the buffer 875 * @offset: location in the buffer to write to 876 * @sum: sum of the data (not checksum) 877 * 878 * This function writes the buffer content at the offset given on the host if. 879 * It also does alignment considerations to do the writes in most efficient 880 * way. Also fills up the sum of the buffer in *buffer parameter. 881 **/ 882 s32 e1000_mng_host_if_write(struct e1000_hw *hw, u8 *buffer, u16 length, 883 u16 offset, u8 *sum) 884 { 885 if (hw->mac.ops.mng_host_if_write) 886 return hw->mac.ops.mng_host_if_write(hw, buffer, length, 887 offset, sum); 888 889 return E1000_NOT_IMPLEMENTED; 890 } 891 892 /** 893 * e1000_mng_write_cmd_header - Writes manageability command header 894 * @hw: pointer to the HW structure 895 * @hdr: pointer to the host interface command header 896 * 897 * Writes the command header after does the checksum calculation. 898 **/ 899 s32 e1000_mng_write_cmd_header(struct e1000_hw *hw, 900 struct e1000_host_mng_command_header *hdr) 901 { 902 if (hw->mac.ops.mng_write_cmd_header) 903 return hw->mac.ops.mng_write_cmd_header(hw, hdr); 904 905 return E1000_NOT_IMPLEMENTED; 906 } 907 908 /** 909 * e1000_mng_enable_host_if - Checks host interface is enabled 910 * @hw: pointer to the HW structure 911 * 912 * Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND 913 * 914 * This function checks whether the HOST IF is enabled for command operation 915 * and also checks whether the previous command is completed. It busy waits 916 * in case of previous command is not completed. 917 **/ 918 s32 e1000_mng_enable_host_if(struct e1000_hw *hw) 919 { 920 if (hw->mac.ops.mng_enable_host_if) 921 return hw->mac.ops.mng_enable_host_if(hw); 922 923 return E1000_NOT_IMPLEMENTED; 924 } 925 926 /** 927 * e1000_wait_autoneg - Waits for autonegotiation completion 928 * @hw: pointer to the HW structure 929 * 930 * Waits for autoneg to complete. Currently no func pointer exists and all 931 * implementations are handled in the generic version of this function. 932 **/ 933 s32 e1000_wait_autoneg(struct e1000_hw *hw) 934 { 935 if (hw->mac.ops.wait_autoneg) 936 return hw->mac.ops.wait_autoneg(hw); 937 938 return E1000_SUCCESS; 939 } 940 941 /** 942 * e1000_check_reset_block - Verifies PHY can be reset 943 * @hw: pointer to the HW structure 944 * 945 * Checks if the PHY is in a state that can be reset or if manageability 946 * has it tied up. This is a function pointer entry point called by drivers. 947 **/ 948 s32 e1000_check_reset_block(struct e1000_hw *hw) 949 { 950 if (hw->phy.ops.check_reset_block) 951 return hw->phy.ops.check_reset_block(hw); 952 953 return E1000_SUCCESS; 954 } 955 956 /** 957 * e1000_read_phy_reg - Reads PHY register 958 * @hw: pointer to the HW structure 959 * @offset: the register to read 960 * @data: the buffer to store the 16-bit read. 961 * 962 * Reads the PHY register and returns the value in data. 963 * This is a function pointer entry point called by drivers. 964 **/ 965 s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data) 966 { 967 if (hw->phy.ops.read_reg) 968 return hw->phy.ops.read_reg(hw, offset, data); 969 970 return E1000_SUCCESS; 971 } 972 973 /** 974 * e1000_write_phy_reg - Writes PHY register 975 * @hw: pointer to the HW structure 976 * @offset: the register to write 977 * @data: the value to write. 978 * 979 * Writes the PHY register at offset with the value in data. 980 * This is a function pointer entry point called by drivers. 981 **/ 982 s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data) 983 { 984 if (hw->phy.ops.write_reg) 985 return hw->phy.ops.write_reg(hw, offset, data); 986 987 return E1000_SUCCESS; 988 } 989 990 /** 991 * e1000_release_phy - Generic release PHY 992 * @hw: pointer to the HW structure 993 * 994 * Return if silicon family does not require a semaphore when accessing the 995 * PHY. 996 **/ 997 void e1000_release_phy(struct e1000_hw *hw) 998 { 999 if (hw->phy.ops.release) 1000 hw->phy.ops.release(hw); 1001 } 1002 1003 /** 1004 * e1000_acquire_phy - Generic acquire PHY 1005 * @hw: pointer to the HW structure 1006 * 1007 * Return success if silicon family does not require a semaphore when 1008 * accessing the PHY. 1009 **/ 1010 s32 e1000_acquire_phy(struct e1000_hw *hw) 1011 { 1012 if (hw->phy.ops.acquire) 1013 return hw->phy.ops.acquire(hw); 1014 1015 return E1000_SUCCESS; 1016 } 1017 1018 /** 1019 * e1000_cfg_on_link_up - Configure PHY upon link up 1020 * @hw: pointer to the HW structure 1021 **/ 1022 s32 e1000_cfg_on_link_up(struct e1000_hw *hw) 1023 { 1024 if (hw->phy.ops.cfg_on_link_up) 1025 return hw->phy.ops.cfg_on_link_up(hw); 1026 1027 return E1000_SUCCESS; 1028 } 1029 1030 /** 1031 * e1000_read_kmrn_reg - Reads register using Kumeran interface 1032 * @hw: pointer to the HW structure 1033 * @offset: the register to read 1034 * @data: the location to store the 16-bit value read. 1035 * 1036 * Reads a register out of the Kumeran interface. Currently no func pointer 1037 * exists and all implementations are handled in the generic version of 1038 * this function. 1039 **/ 1040 s32 e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data) 1041 { 1042 return e1000_read_kmrn_reg_generic(hw, offset, data); 1043 } 1044 1045 /** 1046 * e1000_write_kmrn_reg - Writes register using Kumeran interface 1047 * @hw: pointer to the HW structure 1048 * @offset: the register to write 1049 * @data: the value to write. 1050 * 1051 * Writes a register to the Kumeran interface. Currently no func pointer 1052 * exists and all implementations are handled in the generic version of 1053 * this function. 1054 **/ 1055 s32 e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data) 1056 { 1057 return e1000_write_kmrn_reg_generic(hw, offset, data); 1058 } 1059 1060 /** 1061 * e1000_get_cable_length - Retrieves cable length estimation 1062 * @hw: pointer to the HW structure 1063 * 1064 * This function estimates the cable length and stores them in 1065 * hw->phy.min_length and hw->phy.max_length. This is a function pointer 1066 * entry point called by drivers. 1067 **/ 1068 s32 e1000_get_cable_length(struct e1000_hw *hw) 1069 { 1070 if (hw->phy.ops.get_cable_length) 1071 return hw->phy.ops.get_cable_length(hw); 1072 1073 return E1000_SUCCESS; 1074 } 1075 1076 /** 1077 * e1000_get_phy_info - Retrieves PHY information from registers 1078 * @hw: pointer to the HW structure 1079 * 1080 * This function gets some information from various PHY registers and 1081 * populates hw->phy values with it. This is a function pointer entry 1082 * point called by drivers. 1083 **/ 1084 s32 e1000_get_phy_info(struct e1000_hw *hw) 1085 { 1086 if (hw->phy.ops.get_info) 1087 return hw->phy.ops.get_info(hw); 1088 1089 return E1000_SUCCESS; 1090 } 1091 1092 /** 1093 * e1000_phy_hw_reset - Hard PHY reset 1094 * @hw: pointer to the HW structure 1095 * 1096 * Performs a hard PHY reset. This is a function pointer entry point called 1097 * by drivers. 1098 **/ 1099 s32 e1000_phy_hw_reset(struct e1000_hw *hw) 1100 { 1101 if (hw->phy.ops.reset) 1102 return hw->phy.ops.reset(hw); 1103 1104 return E1000_SUCCESS; 1105 } 1106 1107 /** 1108 * e1000_phy_commit - Soft PHY reset 1109 * @hw: pointer to the HW structure 1110 * 1111 * Performs a soft PHY reset on those that apply. This is a function pointer 1112 * entry point called by drivers. 1113 **/ 1114 s32 e1000_phy_commit(struct e1000_hw *hw) 1115 { 1116 if (hw->phy.ops.commit) 1117 return hw->phy.ops.commit(hw); 1118 1119 return E1000_SUCCESS; 1120 } 1121 1122 /** 1123 * e1000_set_d0_lplu_state - Sets low power link up state for D0 1124 * @hw: pointer to the HW structure 1125 * @active: boolean used to enable/disable lplu 1126 * 1127 * Success returns 0, Failure returns 1 1128 * 1129 * The low power link up (lplu) state is set to the power management level D0 1130 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D0 1131 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU 1132 * is used during Dx states where the power conservation is most important. 1133 * During driver activity, SmartSpeed should be enabled so performance is 1134 * maintained. This is a function pointer entry point called by drivers. 1135 **/ 1136 s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active) 1137 { 1138 if (hw->phy.ops.set_d0_lplu_state) 1139 return hw->phy.ops.set_d0_lplu_state(hw, active); 1140 1141 return E1000_SUCCESS; 1142 } 1143 1144 /** 1145 * e1000_set_d3_lplu_state - Sets low power link up state for D3 1146 * @hw: pointer to the HW structure 1147 * @active: boolean used to enable/disable lplu 1148 * 1149 * Success returns 0, Failure returns 1 1150 * 1151 * The low power link up (lplu) state is set to the power management level D3 1152 * and SmartSpeed is disabled when active is TRUE, else clear lplu for D3 1153 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU 1154 * is used during Dx states where the power conservation is most important. 1155 * During driver activity, SmartSpeed should be enabled so performance is 1156 * maintained. This is a function pointer entry point called by drivers. 1157 **/ 1158 s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active) 1159 { 1160 if (hw->phy.ops.set_d3_lplu_state) 1161 return hw->phy.ops.set_d3_lplu_state(hw, active); 1162 1163 return E1000_SUCCESS; 1164 } 1165 1166 /** 1167 * e1000_read_mac_addr - Reads MAC address 1168 * @hw: pointer to the HW structure 1169 * 1170 * Reads the MAC address out of the adapter and stores it in the HW structure. 1171 * Currently no func pointer exists and all implementations are handled in the 1172 * generic version of this function. 1173 **/ 1174 s32 e1000_read_mac_addr(struct e1000_hw *hw) 1175 { 1176 if (hw->mac.ops.read_mac_addr) 1177 return hw->mac.ops.read_mac_addr(hw); 1178 1179 return e1000_read_mac_addr_generic(hw); 1180 } 1181 1182 /** 1183 * e1000_read_pba_string - Read device part number string 1184 * @hw: pointer to the HW structure 1185 * @pba_num: pointer to device part number 1186 * @pba_num_size: size of part number buffer 1187 * 1188 * Reads the product board assembly (PBA) number from the EEPROM and stores 1189 * the value in pba_num. 1190 * Currently no func pointer exists and all implementations are handled in the 1191 * generic version of this function. 1192 **/ 1193 s32 e1000_read_pba_string(struct e1000_hw *hw, u8 *pba_num, u32 pba_num_size) 1194 { 1195 return e1000_read_pba_string_generic(hw, pba_num, pba_num_size); 1196 } 1197 1198 /** 1199 * e1000_read_pba_length - Read device part number string length 1200 * @hw: pointer to the HW structure 1201 * @pba_num_size: size of part number buffer 1202 * 1203 * Reads the product board assembly (PBA) number length from the EEPROM and 1204 * stores the value in pba_num. 1205 * Currently no func pointer exists and all implementations are handled in the 1206 * generic version of this function. 1207 **/ 1208 s32 e1000_read_pba_length(struct e1000_hw *hw, u32 *pba_num_size) 1209 { 1210 return e1000_read_pba_length_generic(hw, pba_num_size); 1211 } 1212 1213 /** 1214 * e1000_read_pba_num - Read device part number 1215 * @hw: pointer to the HW structure 1216 * @pba_num: pointer to device part number 1217 * 1218 * Reads the product board assembly (PBA) number from the EEPROM and stores 1219 * the value in pba_num. 1220 * Currently no func pointer exists and all implementations are handled in the 1221 * generic version of this function. 1222 **/ 1223 s32 e1000_read_pba_num(struct e1000_hw *hw, u32 *pba_num) 1224 { 1225 return e1000_read_pba_num_generic(hw, pba_num); 1226 } 1227 1228 /** 1229 * e1000_validate_nvm_checksum - Verifies NVM (EEPROM) checksum 1230 * @hw: pointer to the HW structure 1231 * 1232 * Validates the NVM checksum is correct. This is a function pointer entry 1233 * point called by drivers. 1234 **/ 1235 s32 e1000_validate_nvm_checksum(struct e1000_hw *hw) 1236 { 1237 if (hw->nvm.ops.validate) 1238 return hw->nvm.ops.validate(hw); 1239 1240 return -E1000_ERR_CONFIG; 1241 } 1242 1243 /** 1244 * e1000_update_nvm_checksum - Updates NVM (EEPROM) checksum 1245 * @hw: pointer to the HW structure 1246 * 1247 * Updates the NVM checksum. Currently no func pointer exists and all 1248 * implementations are handled in the generic version of this function. 1249 **/ 1250 s32 e1000_update_nvm_checksum(struct e1000_hw *hw) 1251 { 1252 if (hw->nvm.ops.update) 1253 return hw->nvm.ops.update(hw); 1254 1255 return -E1000_ERR_CONFIG; 1256 } 1257 1258 /** 1259 * e1000_reload_nvm - Reloads EEPROM 1260 * @hw: pointer to the HW structure 1261 * 1262 * Reloads the EEPROM by setting the "Reinitialize from EEPROM" bit in the 1263 * extended control register. 1264 **/ 1265 void e1000_reload_nvm(struct e1000_hw *hw) 1266 { 1267 if (hw->nvm.ops.reload) 1268 hw->nvm.ops.reload(hw); 1269 } 1270 1271 /** 1272 * e1000_read_nvm - Reads NVM (EEPROM) 1273 * @hw: pointer to the HW structure 1274 * @offset: the word offset to read 1275 * @words: number of 16-bit words to read 1276 * @data: pointer to the properly sized buffer for the data. 1277 * 1278 * Reads 16-bit chunks of data from the NVM (EEPROM). This is a function 1279 * pointer entry point called by drivers. 1280 **/ 1281 s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) 1282 { 1283 if (hw->nvm.ops.read) 1284 return hw->nvm.ops.read(hw, offset, words, data); 1285 1286 return -E1000_ERR_CONFIG; 1287 } 1288 1289 /** 1290 * e1000_write_nvm - Writes to NVM (EEPROM) 1291 * @hw: pointer to the HW structure 1292 * @offset: the word offset to read 1293 * @words: number of 16-bit words to write 1294 * @data: pointer to the properly sized buffer for the data. 1295 * 1296 * Writes 16-bit chunks of data to the NVM (EEPROM). This is a function 1297 * pointer entry point called by drivers. 1298 **/ 1299 s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) 1300 { 1301 if (hw->nvm.ops.write) 1302 return hw->nvm.ops.write(hw, offset, words, data); 1303 1304 return E1000_SUCCESS; 1305 } 1306 1307 /** 1308 * e1000_write_8bit_ctrl_reg - Writes 8bit Control register 1309 * @hw: pointer to the HW structure 1310 * @reg: 32bit register offset 1311 * @offset: the register to write 1312 * @data: the value to write. 1313 * 1314 * Writes the PHY register at offset with the value in data. 1315 * This is a function pointer entry point called by drivers. 1316 **/ 1317 s32 e1000_write_8bit_ctrl_reg(struct e1000_hw *hw, u32 reg, u32 offset, 1318 u8 data) 1319 { 1320 return e1000_write_8bit_ctrl_reg_generic(hw, reg, offset, data); 1321 } 1322 1323 /** 1324 * e1000_power_up_phy - Restores link in case of PHY power down 1325 * @hw: pointer to the HW structure 1326 * 1327 * The phy may be powered down to save power, to turn off link when the 1328 * driver is unloaded, or wake on lan is not enabled (among others). 1329 **/ 1330 void e1000_power_up_phy(struct e1000_hw *hw) 1331 { 1332 if (hw->phy.ops.power_up) 1333 hw->phy.ops.power_up(hw); 1334 1335 e1000_setup_link(hw); 1336 } 1337 1338 /** 1339 * e1000_power_down_phy - Power down PHY 1340 * @hw: pointer to the HW structure 1341 * 1342 * The phy may be powered down to save power, to turn off link when the 1343 * driver is unloaded, or wake on lan is not enabled (among others). 1344 **/ 1345 void e1000_power_down_phy(struct e1000_hw *hw) 1346 { 1347 if (hw->phy.ops.power_down) 1348 hw->phy.ops.power_down(hw); 1349 } 1350 1351 /** 1352 * e1000_power_up_fiber_serdes_link - Power up serdes link 1353 * @hw: pointer to the HW structure 1354 * 1355 * Power on the optics and PCS. 1356 **/ 1357 void e1000_power_up_fiber_serdes_link(struct e1000_hw *hw) 1358 { 1359 if (hw->mac.ops.power_up_serdes) 1360 hw->mac.ops.power_up_serdes(hw); 1361 } 1362 1363 /** 1364 * e1000_shutdown_fiber_serdes_link - Remove link during power down 1365 * @hw: pointer to the HW structure 1366 * 1367 * Shutdown the optics and PCS on driver unload. 1368 **/ 1369 void e1000_shutdown_fiber_serdes_link(struct e1000_hw *hw) 1370 { 1371 if (hw->mac.ops.shutdown_serdes) 1372 hw->mac.ops.shutdown_serdes(hw); 1373 } 1374 1375 /** 1376 * e1000_div_64b_by_32b - divide 64-bit number by 32-bit divisor 1377 * @n: pointer to unsigned 64-bit number 1378 * @divisor: unsigned 64-bit divisor 1379 * 1380 * Divide unsigned 64-bit number by unsigned 32-bit divisor; put result of 1381 * the integer division in-place of number and return remainder. This is 1382 * needed for some 32-bit OS'es which have issues with 64-bit division. 1383 **/ 1384 u32 e1000_div_64b_by_32b(u64 *n, u32 divisor) 1385 { 1386 u32 remainder = *n % divisor; 1387 *n = *n / divisor; 1388 return remainder; 1389 } 1390