e1000_api.c revision 215789
1/******************************************************************************
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3  Copyright (c) 2001-2010, Intel Corporation
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32******************************************************************************/
33/*$FreeBSD: head/sys/dev/e1000/e1000_api.c 215789 2010-11-24 01:13:55Z jfv $*/
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 **/
44s32 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
59out:
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 **/
70s32 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
85out:
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 **/
96s32 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
111out:
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 **/
122s32 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
137out:
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 **/
150s32 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	case E1000_DEV_ID_82542:
159		mac->type = e1000_82542;
160		break;
161	case E1000_DEV_ID_82543GC_FIBER:
162	case E1000_DEV_ID_82543GC_COPPER:
163		mac->type = e1000_82543;
164		break;
165	case E1000_DEV_ID_82544EI_COPPER:
166	case E1000_DEV_ID_82544EI_FIBER:
167	case E1000_DEV_ID_82544GC_COPPER:
168	case E1000_DEV_ID_82544GC_LOM:
169		mac->type = e1000_82544;
170		break;
171	case E1000_DEV_ID_82540EM:
172	case E1000_DEV_ID_82540EM_LOM:
173	case E1000_DEV_ID_82540EP:
174	case E1000_DEV_ID_82540EP_LOM:
175	case E1000_DEV_ID_82540EP_LP:
176		mac->type = e1000_82540;
177		break;
178	case E1000_DEV_ID_82545EM_COPPER:
179	case E1000_DEV_ID_82545EM_FIBER:
180		mac->type = e1000_82545;
181		break;
182	case E1000_DEV_ID_82545GM_COPPER:
183	case E1000_DEV_ID_82545GM_FIBER:
184	case E1000_DEV_ID_82545GM_SERDES:
185		mac->type = e1000_82545_rev_3;
186		break;
187	case E1000_DEV_ID_82546EB_COPPER:
188	case E1000_DEV_ID_82546EB_FIBER:
189	case E1000_DEV_ID_82546EB_QUAD_COPPER:
190		mac->type = e1000_82546;
191		break;
192	case E1000_DEV_ID_82546GB_COPPER:
193	case E1000_DEV_ID_82546GB_FIBER:
194	case E1000_DEV_ID_82546GB_SERDES:
195	case E1000_DEV_ID_82546GB_PCIE:
196	case E1000_DEV_ID_82546GB_QUAD_COPPER:
197	case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
198		mac->type = e1000_82546_rev_3;
199		break;
200	case E1000_DEV_ID_82541EI:
201	case E1000_DEV_ID_82541EI_MOBILE:
202	case E1000_DEV_ID_82541ER_LOM:
203		mac->type = e1000_82541;
204		break;
205	case E1000_DEV_ID_82541ER:
206	case E1000_DEV_ID_82541GI:
207	case E1000_DEV_ID_82541GI_LF:
208	case E1000_DEV_ID_82541GI_MOBILE:
209		mac->type = e1000_82541_rev_2;
210		break;
211	case E1000_DEV_ID_82547EI:
212	case E1000_DEV_ID_82547EI_MOBILE:
213		mac->type = e1000_82547;
214		break;
215	case E1000_DEV_ID_82547GI:
216		mac->type = e1000_82547_rev_2;
217		break;
218	case E1000_DEV_ID_82571EB_COPPER:
219	case E1000_DEV_ID_82571EB_FIBER:
220	case E1000_DEV_ID_82571EB_SERDES:
221	case E1000_DEV_ID_82571EB_SERDES_DUAL:
222	case E1000_DEV_ID_82571EB_SERDES_QUAD:
223	case E1000_DEV_ID_82571EB_QUAD_COPPER:
224	case E1000_DEV_ID_82571PT_QUAD_COPPER:
225	case E1000_DEV_ID_82571EB_QUAD_FIBER:
226	case E1000_DEV_ID_82571EB_QUAD_COPPER_LP:
227		mac->type = e1000_82571;
228		break;
229	case E1000_DEV_ID_82572EI:
230	case E1000_DEV_ID_82572EI_COPPER:
231	case E1000_DEV_ID_82572EI_FIBER:
232	case E1000_DEV_ID_82572EI_SERDES:
233		mac->type = e1000_82572;
234		break;
235	case E1000_DEV_ID_82573E:
236	case E1000_DEV_ID_82573E_IAMT:
237	case E1000_DEV_ID_82573L:
238		mac->type = e1000_82573;
239		break;
240	case E1000_DEV_ID_82574L:
241	case E1000_DEV_ID_82574LA:
242		mac->type = e1000_82574;
243		break;
244	case E1000_DEV_ID_82583V:
245		mac->type = e1000_82583;
246		break;
247	case E1000_DEV_ID_80003ES2LAN_COPPER_DPT:
248	case E1000_DEV_ID_80003ES2LAN_SERDES_DPT:
249	case E1000_DEV_ID_80003ES2LAN_COPPER_SPT:
250	case E1000_DEV_ID_80003ES2LAN_SERDES_SPT:
251		mac->type = e1000_80003es2lan;
252		break;
253	case E1000_DEV_ID_ICH8_IFE:
254	case E1000_DEV_ID_ICH8_IFE_GT:
255	case E1000_DEV_ID_ICH8_IFE_G:
256	case E1000_DEV_ID_ICH8_IGP_M:
257	case E1000_DEV_ID_ICH8_IGP_M_AMT:
258	case E1000_DEV_ID_ICH8_IGP_AMT:
259	case E1000_DEV_ID_ICH8_IGP_C:
260	case E1000_DEV_ID_ICH8_82567V_3:
261		mac->type = e1000_ich8lan;
262		break;
263	case E1000_DEV_ID_ICH9_IFE:
264	case E1000_DEV_ID_ICH9_IFE_GT:
265	case E1000_DEV_ID_ICH9_IFE_G:
266	case E1000_DEV_ID_ICH9_IGP_M:
267	case E1000_DEV_ID_ICH9_IGP_M_AMT:
268	case E1000_DEV_ID_ICH9_IGP_M_V:
269	case E1000_DEV_ID_ICH9_IGP_AMT:
270	case E1000_DEV_ID_ICH9_BM:
271	case E1000_DEV_ID_ICH9_IGP_C:
272	case E1000_DEV_ID_ICH10_R_BM_LM:
273	case E1000_DEV_ID_ICH10_R_BM_LF:
274	case E1000_DEV_ID_ICH10_R_BM_V:
275		mac->type = e1000_ich9lan;
276		break;
277	case E1000_DEV_ID_ICH10_D_BM_LM:
278	case E1000_DEV_ID_ICH10_D_BM_LF:
279	case E1000_DEV_ID_ICH10_D_BM_V:
280	case E1000_DEV_ID_ICH10_HANKSVILLE:
281		mac->type = e1000_ich10lan;
282		break;
283	case E1000_DEV_ID_PCH_D_HV_DM:
284	case E1000_DEV_ID_PCH_D_HV_DC:
285	case E1000_DEV_ID_PCH_M_HV_LM:
286	case E1000_DEV_ID_PCH_M_HV_LC:
287		mac->type = e1000_pchlan;
288		break;
289	case E1000_DEV_ID_PCH2_LV_LM:
290	case E1000_DEV_ID_PCH2_LV_V:
291		mac->type = e1000_pch2lan;
292		break;
293	case E1000_DEV_ID_82575EB_COPPER:
294	case E1000_DEV_ID_82575EB_FIBER_SERDES:
295	case E1000_DEV_ID_82575GB_QUAD_COPPER:
296	case E1000_DEV_ID_82575GB_QUAD_COPPER_PM:
297		mac->type = e1000_82575;
298		break;
299	case E1000_DEV_ID_82576:
300	case E1000_DEV_ID_82576_FIBER:
301	case E1000_DEV_ID_82576_SERDES:
302	case E1000_DEV_ID_82576_QUAD_COPPER:
303	case E1000_DEV_ID_82576_QUAD_COPPER_ET2:
304	case E1000_DEV_ID_82576_NS:
305	case E1000_DEV_ID_82576_NS_SERDES:
306	case E1000_DEV_ID_82576_SERDES_QUAD:
307		mac->type = e1000_82576;
308		break;
309	case E1000_DEV_ID_82580_COPPER:
310	case E1000_DEV_ID_82580_FIBER:
311	case E1000_DEV_ID_82580_SERDES:
312	case E1000_DEV_ID_82580_SGMII:
313	case E1000_DEV_ID_82580_COPPER_DUAL:
314	case E1000_DEV_ID_82580_QUAD_FIBER:
315	case E1000_DEV_ID_DH89XXCC_SGMII:
316	case E1000_DEV_ID_DH89XXCC_SERDES:
317		mac->type = e1000_82580;
318		break;
319	case E1000_DEV_ID_82576_VF:
320		mac->type = e1000_vfadapt;
321		break;
322	default:
323		/* Should never have loaded on this device */
324		ret_val = -E1000_ERR_MAC_INIT;
325		break;
326	}
327
328	return ret_val;
329}
330
331/**
332 *  e1000_setup_init_funcs - Initializes function pointers
333 *  @hw: pointer to the HW structure
334 *  @init_device: TRUE will initialize the rest of the function pointers
335 *                 getting the device ready for use.  FALSE will only set
336 *                 MAC type and the function pointers for the other init
337 *                 functions.  Passing FALSE will not generate any hardware
338 *                 reads or writes.
339 *
340 *  This function must be called by a driver in order to use the rest
341 *  of the 'shared' code files. Called by drivers only.
342 **/
343s32 e1000_setup_init_funcs(struct e1000_hw *hw, bool init_device)
344{
345	s32 ret_val;
346
347	/* Can't do much good without knowing the MAC type. */
348	ret_val = e1000_set_mac_type(hw);
349	if (ret_val) {
350		DEBUGOUT("ERROR: MAC type could not be set properly.\n");
351		goto out;
352	}
353
354	if (!hw->hw_addr) {
355		DEBUGOUT("ERROR: Registers not mapped\n");
356		ret_val = -E1000_ERR_CONFIG;
357		goto out;
358	}
359
360	/*
361	 * Init function pointers to generic implementations. We do this first
362	 * allowing a driver module to override it afterward.
363	 */
364	e1000_init_mac_ops_generic(hw);
365	e1000_init_phy_ops_generic(hw);
366	e1000_init_nvm_ops_generic(hw);
367	e1000_init_mbx_ops_generic(hw);
368
369	/*
370	 * Set up the init function pointers. These are functions within the
371	 * adapter family file that sets up function pointers for the rest of
372	 * the functions in that family.
373	 */
374	switch (hw->mac.type) {
375	case e1000_82542:
376		e1000_init_function_pointers_82542(hw);
377		break;
378	case e1000_82543:
379	case e1000_82544:
380		e1000_init_function_pointers_82543(hw);
381		break;
382	case e1000_82540:
383	case e1000_82545:
384	case e1000_82545_rev_3:
385	case e1000_82546:
386	case e1000_82546_rev_3:
387		e1000_init_function_pointers_82540(hw);
388		break;
389	case e1000_82541:
390	case e1000_82541_rev_2:
391	case e1000_82547:
392	case e1000_82547_rev_2:
393		e1000_init_function_pointers_82541(hw);
394		break;
395	case e1000_82571:
396	case e1000_82572:
397	case e1000_82573:
398	case e1000_82574:
399	case e1000_82583:
400		e1000_init_function_pointers_82571(hw);
401		break;
402	case e1000_80003es2lan:
403		e1000_init_function_pointers_80003es2lan(hw);
404		break;
405	case e1000_ich8lan:
406	case e1000_ich9lan:
407	case e1000_ich10lan:
408	case e1000_pchlan:
409	case e1000_pch2lan:
410		e1000_init_function_pointers_ich8lan(hw);
411		break;
412	case e1000_82575:
413	case e1000_82576:
414	case e1000_82580:
415		e1000_init_function_pointers_82575(hw);
416		break;
417	case e1000_vfadapt:
418		e1000_init_function_pointers_vf(hw);
419		break;
420	default:
421		DEBUGOUT("Hardware not supported\n");
422		ret_val = -E1000_ERR_CONFIG;
423		break;
424	}
425
426	/*
427	 * Initialize the rest of the function pointers. These require some
428	 * register reads/writes in some cases.
429	 */
430	if (!(ret_val) && init_device) {
431		ret_val = e1000_init_mac_params(hw);
432		if (ret_val)
433			goto out;
434
435		ret_val = e1000_init_nvm_params(hw);
436		if (ret_val)
437			goto out;
438
439		ret_val = e1000_init_phy_params(hw);
440		if (ret_val)
441			goto out;
442
443		ret_val = e1000_init_mbx_params(hw);
444		if (ret_val)
445			goto out;
446	}
447
448out:
449	return ret_val;
450}
451
452/**
453 *  e1000_get_bus_info - Obtain bus information for adapter
454 *  @hw: pointer to the HW structure
455 *
456 *  This will obtain information about the HW bus for which the
457 *  adapter is attached and stores it in the hw structure. This is a
458 *  function pointer entry point called by drivers.
459 **/
460s32 e1000_get_bus_info(struct e1000_hw *hw)
461{
462	if (hw->mac.ops.get_bus_info)
463		return hw->mac.ops.get_bus_info(hw);
464
465	return E1000_SUCCESS;
466}
467
468/**
469 *  e1000_clear_vfta - Clear VLAN filter table
470 *  @hw: pointer to the HW structure
471 *
472 *  This clears the VLAN filter table on the adapter. This is a function
473 *  pointer entry point called by drivers.
474 **/
475void e1000_clear_vfta(struct e1000_hw *hw)
476{
477	if (hw->mac.ops.clear_vfta)
478		hw->mac.ops.clear_vfta(hw);
479}
480
481/**
482 *  e1000_write_vfta - Write value to VLAN filter table
483 *  @hw: pointer to the HW structure
484 *  @offset: the 32-bit offset in which to write the value to.
485 *  @value: the 32-bit value to write at location offset.
486 *
487 *  This writes a 32-bit value to a 32-bit offset in the VLAN filter
488 *  table. This is a function pointer entry point called by drivers.
489 **/
490void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
491{
492	if (hw->mac.ops.write_vfta)
493		hw->mac.ops.write_vfta(hw, offset, value);
494}
495
496/**
497 *  e1000_update_mc_addr_list - Update Multicast addresses
498 *  @hw: pointer to the HW structure
499 *  @mc_addr_list: array of multicast addresses to program
500 *  @mc_addr_count: number of multicast addresses to program
501 *
502 *  Updates the Multicast Table Array.
503 *  The caller must have a packed mc_addr_list of multicast addresses.
504 **/
505void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
506                               u32 mc_addr_count)
507{
508	if (hw->mac.ops.update_mc_addr_list)
509		hw->mac.ops.update_mc_addr_list(hw, mc_addr_list,
510		                                mc_addr_count);
511}
512
513/**
514 *  e1000_force_mac_fc - Force MAC flow control
515 *  @hw: pointer to the HW structure
516 *
517 *  Force the MAC's flow control settings. Currently no func pointer exists
518 *  and all implementations are handled in the generic version of this
519 *  function.
520 **/
521s32 e1000_force_mac_fc(struct e1000_hw *hw)
522{
523	return e1000_force_mac_fc_generic(hw);
524}
525
526/**
527 *  e1000_check_for_link - Check/Store link connection
528 *  @hw: pointer to the HW structure
529 *
530 *  This checks the link condition of the adapter and stores the
531 *  results in the hw->mac structure. This is a function pointer entry
532 *  point called by drivers.
533 **/
534s32 e1000_check_for_link(struct e1000_hw *hw)
535{
536	if (hw->mac.ops.check_for_link)
537		return hw->mac.ops.check_for_link(hw);
538
539	return -E1000_ERR_CONFIG;
540}
541
542/**
543 *  e1000_check_mng_mode - Check management mode
544 *  @hw: pointer to the HW structure
545 *
546 *  This checks if the adapter has manageability enabled.
547 *  This is a function pointer entry point called by drivers.
548 **/
549bool e1000_check_mng_mode(struct e1000_hw *hw)
550{
551	if (hw->mac.ops.check_mng_mode)
552		return hw->mac.ops.check_mng_mode(hw);
553
554	return FALSE;
555}
556
557/**
558 *  e1000_mng_write_dhcp_info - Writes DHCP info to host interface
559 *  @hw: pointer to the HW structure
560 *  @buffer: pointer to the host interface
561 *  @length: size of the buffer
562 *
563 *  Writes the DHCP information to the host interface.
564 **/
565s32 e1000_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length)
566{
567	return e1000_mng_write_dhcp_info_generic(hw, buffer, length);
568}
569
570/**
571 *  e1000_reset_hw - Reset hardware
572 *  @hw: pointer to the HW structure
573 *
574 *  This resets the hardware into a known state. This is a function pointer
575 *  entry point called by drivers.
576 **/
577s32 e1000_reset_hw(struct e1000_hw *hw)
578{
579	if (hw->mac.ops.reset_hw)
580		return hw->mac.ops.reset_hw(hw);
581
582	return -E1000_ERR_CONFIG;
583}
584
585/**
586 *  e1000_init_hw - Initialize hardware
587 *  @hw: pointer to the HW structure
588 *
589 *  This inits the hardware readying it for operation. This is a function
590 *  pointer entry point called by drivers.
591 **/
592s32 e1000_init_hw(struct e1000_hw *hw)
593{
594	if (hw->mac.ops.init_hw)
595		return hw->mac.ops.init_hw(hw);
596
597	return -E1000_ERR_CONFIG;
598}
599
600/**
601 *  e1000_setup_link - Configures link and flow control
602 *  @hw: pointer to the HW structure
603 *
604 *  This configures link and flow control settings for the adapter. This
605 *  is a function pointer entry point called by drivers. While modules can
606 *  also call this, they probably call their own version of this function.
607 **/
608s32 e1000_setup_link(struct e1000_hw *hw)
609{
610	if (hw->mac.ops.setup_link)
611		return hw->mac.ops.setup_link(hw);
612
613	return -E1000_ERR_CONFIG;
614}
615
616/**
617 *  e1000_get_speed_and_duplex - Returns current speed and duplex
618 *  @hw: pointer to the HW structure
619 *  @speed: pointer to a 16-bit value to store the speed
620 *  @duplex: pointer to a 16-bit value to store the duplex.
621 *
622 *  This returns the speed and duplex of the adapter in the two 'out'
623 *  variables passed in. This is a function pointer entry point called
624 *  by drivers.
625 **/
626s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex)
627{
628	if (hw->mac.ops.get_link_up_info)
629		return hw->mac.ops.get_link_up_info(hw, speed, duplex);
630
631	return -E1000_ERR_CONFIG;
632}
633
634/**
635 *  e1000_setup_led - Configures SW controllable LED
636 *  @hw: pointer to the HW structure
637 *
638 *  This prepares the SW controllable LED for use and saves the current state
639 *  of the LED so it can be later restored. This is a function pointer entry
640 *  point called by drivers.
641 **/
642s32 e1000_setup_led(struct e1000_hw *hw)
643{
644	if (hw->mac.ops.setup_led)
645		return hw->mac.ops.setup_led(hw);
646
647	return E1000_SUCCESS;
648}
649
650/**
651 *  e1000_cleanup_led - Restores SW controllable LED
652 *  @hw: pointer to the HW structure
653 *
654 *  This restores the SW controllable LED to the value saved off by
655 *  e1000_setup_led. This is a function pointer entry point called by drivers.
656 **/
657s32 e1000_cleanup_led(struct e1000_hw *hw)
658{
659	if (hw->mac.ops.cleanup_led)
660		return hw->mac.ops.cleanup_led(hw);
661
662	return E1000_SUCCESS;
663}
664
665/**
666 *  e1000_blink_led - Blink SW controllable LED
667 *  @hw: pointer to the HW structure
668 *
669 *  This starts the adapter LED blinking. Request the LED to be setup first
670 *  and cleaned up after. This is a function pointer entry point called by
671 *  drivers.
672 **/
673s32 e1000_blink_led(struct e1000_hw *hw)
674{
675	if (hw->mac.ops.blink_led)
676		return hw->mac.ops.blink_led(hw);
677
678	return E1000_SUCCESS;
679}
680
681/**
682 *  e1000_id_led_init - store LED configurations in SW
683 *  @hw: pointer to the HW structure
684 *
685 *  Initializes the LED config in SW. This is a function pointer entry point
686 *  called by drivers.
687 **/
688s32 e1000_id_led_init(struct e1000_hw *hw)
689{
690	if (hw->mac.ops.id_led_init)
691		return hw->mac.ops.id_led_init(hw);
692
693	return E1000_SUCCESS;
694}
695
696/**
697 *  e1000_led_on - Turn on SW controllable LED
698 *  @hw: pointer to the HW structure
699 *
700 *  Turns the SW defined LED on. This is a function pointer entry point
701 *  called by drivers.
702 **/
703s32 e1000_led_on(struct e1000_hw *hw)
704{
705	if (hw->mac.ops.led_on)
706		return hw->mac.ops.led_on(hw);
707
708	return E1000_SUCCESS;
709}
710
711/**
712 *  e1000_led_off - Turn off SW controllable LED
713 *  @hw: pointer to the HW structure
714 *
715 *  Turns the SW defined LED off. This is a function pointer entry point
716 *  called by drivers.
717 **/
718s32 e1000_led_off(struct e1000_hw *hw)
719{
720	if (hw->mac.ops.led_off)
721		return hw->mac.ops.led_off(hw);
722
723	return E1000_SUCCESS;
724}
725
726/**
727 *  e1000_reset_adaptive - Reset adaptive IFS
728 *  @hw: pointer to the HW structure
729 *
730 *  Resets the adaptive IFS. Currently no func pointer exists and all
731 *  implementations are handled in the generic version of this function.
732 **/
733void e1000_reset_adaptive(struct e1000_hw *hw)
734{
735	e1000_reset_adaptive_generic(hw);
736}
737
738/**
739 *  e1000_update_adaptive - Update adaptive IFS
740 *  @hw: pointer to the HW structure
741 *
742 *  Updates adapter IFS. Currently no func pointer exists and all
743 *  implementations are handled in the generic version of this function.
744 **/
745void e1000_update_adaptive(struct e1000_hw *hw)
746{
747	e1000_update_adaptive_generic(hw);
748}
749
750/**
751 *  e1000_disable_pcie_master - Disable PCI-Express master access
752 *  @hw: pointer to the HW structure
753 *
754 *  Disables PCI-Express master access and verifies there are no pending
755 *  requests. Currently no func pointer exists and all implementations are
756 *  handled in the generic version of this function.
757 **/
758s32 e1000_disable_pcie_master(struct e1000_hw *hw)
759{
760	return e1000_disable_pcie_master_generic(hw);
761}
762
763/**
764 *  e1000_config_collision_dist - Configure collision distance
765 *  @hw: pointer to the HW structure
766 *
767 *  Configures the collision distance to the default value and is used
768 *  during link setup.
769 **/
770void e1000_config_collision_dist(struct e1000_hw *hw)
771{
772	if (hw->mac.ops.config_collision_dist)
773		hw->mac.ops.config_collision_dist(hw);
774}
775
776/**
777 *  e1000_rar_set - Sets a receive address register
778 *  @hw: pointer to the HW structure
779 *  @addr: address to set the RAR to
780 *  @index: the RAR to set
781 *
782 *  Sets a Receive Address Register (RAR) to the specified address.
783 **/
784void e1000_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
785{
786	if (hw->mac.ops.rar_set)
787		hw->mac.ops.rar_set(hw, addr, index);
788}
789
790/**
791 *  e1000_validate_mdi_setting - Ensures valid MDI/MDIX SW state
792 *  @hw: pointer to the HW structure
793 *
794 *  Ensures that the MDI/MDIX SW state is valid.
795 **/
796s32 e1000_validate_mdi_setting(struct e1000_hw *hw)
797{
798	if (hw->mac.ops.validate_mdi_setting)
799		return hw->mac.ops.validate_mdi_setting(hw);
800
801	return E1000_SUCCESS;
802}
803
804/**
805 *  e1000_hash_mc_addr - Determines address location in multicast table
806 *  @hw: pointer to the HW structure
807 *  @mc_addr: Multicast address to hash.
808 *
809 *  This hashes an address to determine its location in the multicast
810 *  table. Currently no func pointer exists and all implementations
811 *  are handled in the generic version of this function.
812 **/
813u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
814{
815	return e1000_hash_mc_addr_generic(hw, mc_addr);
816}
817
818/**
819 *  e1000_enable_tx_pkt_filtering - Enable packet filtering on TX
820 *  @hw: pointer to the HW structure
821 *
822 *  Enables packet filtering on transmit packets if manageability is enabled
823 *  and host interface is enabled.
824 *  Currently no func pointer exists and all implementations are handled in the
825 *  generic version of this function.
826 **/
827bool e1000_enable_tx_pkt_filtering(struct e1000_hw *hw)
828{
829	return e1000_enable_tx_pkt_filtering_generic(hw);
830}
831
832/**
833 *  e1000_mng_host_if_write - Writes to the manageability host interface
834 *  @hw: pointer to the HW structure
835 *  @buffer: pointer to the host interface buffer
836 *  @length: size of the buffer
837 *  @offset: location in the buffer to write to
838 *  @sum: sum of the data (not checksum)
839 *
840 *  This function writes the buffer content at the offset given on the host if.
841 *  It also does alignment considerations to do the writes in most efficient
842 *  way.  Also fills up the sum of the buffer in *buffer parameter.
843 **/
844s32 e1000_mng_host_if_write(struct e1000_hw * hw, u8 *buffer, u16 length,
845                            u16 offset, u8 *sum)
846{
847	if (hw->mac.ops.mng_host_if_write)
848		return hw->mac.ops.mng_host_if_write(hw, buffer, length,
849		                                     offset, sum);
850
851	return E1000_NOT_IMPLEMENTED;
852}
853
854/**
855 *  e1000_mng_write_cmd_header - Writes manageability command header
856 *  @hw: pointer to the HW structure
857 *  @hdr: pointer to the host interface command header
858 *
859 *  Writes the command header after does the checksum calculation.
860 **/
861s32 e1000_mng_write_cmd_header(struct e1000_hw *hw,
862                               struct e1000_host_mng_command_header *hdr)
863{
864	if (hw->mac.ops.mng_write_cmd_header)
865		return hw->mac.ops.mng_write_cmd_header(hw, hdr);
866
867	return E1000_NOT_IMPLEMENTED;
868}
869
870/**
871 *  e1000_mng_enable_host_if - Checks host interface is enabled
872 *  @hw: pointer to the HW structure
873 *
874 *  Returns E1000_success upon success, else E1000_ERR_HOST_INTERFACE_COMMAND
875 *
876 *  This function checks whether the HOST IF is enabled for command operation
877 *  and also checks whether the previous command is completed.  It busy waits
878 *  in case of previous command is not completed.
879 **/
880s32 e1000_mng_enable_host_if(struct e1000_hw * hw)
881{
882	if (hw->mac.ops.mng_enable_host_if)
883		return hw->mac.ops.mng_enable_host_if(hw);
884
885	return E1000_NOT_IMPLEMENTED;
886}
887
888/**
889 *  e1000_wait_autoneg - Waits for autonegotiation completion
890 *  @hw: pointer to the HW structure
891 *
892 *  Waits for autoneg to complete. Currently no func pointer exists and all
893 *  implementations are handled in the generic version of this function.
894 **/
895s32 e1000_wait_autoneg(struct e1000_hw *hw)
896{
897	if (hw->mac.ops.wait_autoneg)
898		return hw->mac.ops.wait_autoneg(hw);
899
900	return E1000_SUCCESS;
901}
902
903/**
904 *  e1000_check_reset_block - Verifies PHY can be reset
905 *  @hw: pointer to the HW structure
906 *
907 *  Checks if the PHY is in a state that can be reset or if manageability
908 *  has it tied up. This is a function pointer entry point called by drivers.
909 **/
910s32 e1000_check_reset_block(struct e1000_hw *hw)
911{
912	if (hw->phy.ops.check_reset_block)
913		return hw->phy.ops.check_reset_block(hw);
914
915	return E1000_SUCCESS;
916}
917
918/**
919 *  e1000_read_phy_reg - Reads PHY register
920 *  @hw: pointer to the HW structure
921 *  @offset: the register to read
922 *  @data: the buffer to store the 16-bit read.
923 *
924 *  Reads the PHY register and returns the value in data.
925 *  This is a function pointer entry point called by drivers.
926 **/
927s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data)
928{
929	if (hw->phy.ops.read_reg)
930		return hw->phy.ops.read_reg(hw, offset, data);
931
932	return E1000_SUCCESS;
933}
934
935/**
936 *  e1000_write_phy_reg - Writes PHY register
937 *  @hw: pointer to the HW structure
938 *  @offset: the register to write
939 *  @data: the value to write.
940 *
941 *  Writes the PHY register at offset with the value in data.
942 *  This is a function pointer entry point called by drivers.
943 **/
944s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data)
945{
946	if (hw->phy.ops.write_reg)
947		return hw->phy.ops.write_reg(hw, offset, data);
948
949	return E1000_SUCCESS;
950}
951
952/**
953 *  e1000_release_phy - Generic release PHY
954 *  @hw: pointer to the HW structure
955 *
956 *  Return if silicon family does not require a semaphore when accessing the
957 *  PHY.
958 **/
959void e1000_release_phy(struct e1000_hw *hw)
960{
961	if (hw->phy.ops.release)
962		hw->phy.ops.release(hw);
963}
964
965/**
966 *  e1000_acquire_phy - Generic acquire PHY
967 *  @hw: pointer to the HW structure
968 *
969 *  Return success if silicon family does not require a semaphore when
970 *  accessing the PHY.
971 **/
972s32 e1000_acquire_phy(struct e1000_hw *hw)
973{
974	if (hw->phy.ops.acquire)
975		return hw->phy.ops.acquire(hw);
976
977	return E1000_SUCCESS;
978}
979
980/**
981 *  e1000_cfg_on_link_up - Configure PHY upon link up
982 *  @hw: pointer to the HW structure
983 **/
984s32 e1000_cfg_on_link_up(struct e1000_hw *hw)
985{
986	if (hw->phy.ops.cfg_on_link_up)
987		return hw->phy.ops.cfg_on_link_up(hw);
988
989	return E1000_SUCCESS;
990}
991
992/**
993 *  e1000_read_kmrn_reg - Reads register using Kumeran interface
994 *  @hw: pointer to the HW structure
995 *  @offset: the register to read
996 *  @data: the location to store the 16-bit value read.
997 *
998 *  Reads a register out of the Kumeran interface. Currently no func pointer
999 *  exists and all implementations are handled in the generic version of
1000 *  this function.
1001 **/
1002s32 e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data)
1003{
1004	return e1000_read_kmrn_reg_generic(hw, offset, data);
1005}
1006
1007/**
1008 *  e1000_write_kmrn_reg - Writes register using Kumeran interface
1009 *  @hw: pointer to the HW structure
1010 *  @offset: the register to write
1011 *  @data: the value to write.
1012 *
1013 *  Writes a register to the Kumeran interface. Currently no func pointer
1014 *  exists and all implementations are handled in the generic version of
1015 *  this function.
1016 **/
1017s32 e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data)
1018{
1019	return e1000_write_kmrn_reg_generic(hw, offset, data);
1020}
1021
1022/**
1023 *  e1000_get_cable_length - Retrieves cable length estimation
1024 *  @hw: pointer to the HW structure
1025 *
1026 *  This function estimates the cable length and stores them in
1027 *  hw->phy.min_length and hw->phy.max_length. This is a function pointer
1028 *  entry point called by drivers.
1029 **/
1030s32 e1000_get_cable_length(struct e1000_hw *hw)
1031{
1032	if (hw->phy.ops.get_cable_length)
1033		return hw->phy.ops.get_cable_length(hw);
1034
1035	return E1000_SUCCESS;
1036}
1037
1038/**
1039 *  e1000_get_phy_info - Retrieves PHY information from registers
1040 *  @hw: pointer to the HW structure
1041 *
1042 *  This function gets some information from various PHY registers and
1043 *  populates hw->phy values with it. This is a function pointer entry
1044 *  point called by drivers.
1045 **/
1046s32 e1000_get_phy_info(struct e1000_hw *hw)
1047{
1048	if (hw->phy.ops.get_info)
1049		return hw->phy.ops.get_info(hw);
1050
1051	return E1000_SUCCESS;
1052}
1053
1054/**
1055 *  e1000_phy_hw_reset - Hard PHY reset
1056 *  @hw: pointer to the HW structure
1057 *
1058 *  Performs a hard PHY reset. This is a function pointer entry point called
1059 *  by drivers.
1060 **/
1061s32 e1000_phy_hw_reset(struct e1000_hw *hw)
1062{
1063	if (hw->phy.ops.reset)
1064		return hw->phy.ops.reset(hw);
1065
1066	return E1000_SUCCESS;
1067}
1068
1069/**
1070 *  e1000_phy_commit - Soft PHY reset
1071 *  @hw: pointer to the HW structure
1072 *
1073 *  Performs a soft PHY reset on those that apply. This is a function pointer
1074 *  entry point called by drivers.
1075 **/
1076s32 e1000_phy_commit(struct e1000_hw *hw)
1077{
1078	if (hw->phy.ops.commit)
1079		return hw->phy.ops.commit(hw);
1080
1081	return E1000_SUCCESS;
1082}
1083
1084/**
1085 *  e1000_set_d0_lplu_state - Sets low power link up state for D0
1086 *  @hw: pointer to the HW structure
1087 *  @active: boolean used to enable/disable lplu
1088 *
1089 *  Success returns 0, Failure returns 1
1090 *
1091 *  The low power link up (lplu) state is set to the power management level D0
1092 *  and SmartSpeed is disabled when active is TRUE, else clear lplu for D0
1093 *  and enable Smartspeed.  LPLU and Smartspeed are mutually exclusive.  LPLU
1094 *  is used during Dx states where the power conservation is most important.
1095 *  During driver activity, SmartSpeed should be enabled so performance is
1096 *  maintained.  This is a function pointer entry point called by drivers.
1097 **/
1098s32 e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active)
1099{
1100	if (hw->phy.ops.set_d0_lplu_state)
1101		return hw->phy.ops.set_d0_lplu_state(hw, active);
1102
1103	return E1000_SUCCESS;
1104}
1105
1106/**
1107 *  e1000_set_d3_lplu_state - Sets low power link up state for D3
1108 *  @hw: pointer to the HW structure
1109 *  @active: boolean used to enable/disable lplu
1110 *
1111 *  Success returns 0, Failure returns 1
1112 *
1113 *  The low power link up (lplu) state is set to the power management level D3
1114 *  and SmartSpeed is disabled when active is TRUE, else clear lplu for D3
1115 *  and enable Smartspeed.  LPLU and Smartspeed are mutually exclusive.  LPLU
1116 *  is used during Dx states where the power conservation is most important.
1117 *  During driver activity, SmartSpeed should be enabled so performance is
1118 *  maintained.  This is a function pointer entry point called by drivers.
1119 **/
1120s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active)
1121{
1122	if (hw->phy.ops.set_d3_lplu_state)
1123		return hw->phy.ops.set_d3_lplu_state(hw, active);
1124
1125	return E1000_SUCCESS;
1126}
1127
1128/**
1129 *  e1000_read_mac_addr - Reads MAC address
1130 *  @hw: pointer to the HW structure
1131 *
1132 *  Reads the MAC address out of the adapter and stores it in the HW structure.
1133 *  Currently no func pointer exists and all implementations are handled in the
1134 *  generic version of this function.
1135 **/
1136s32 e1000_read_mac_addr(struct e1000_hw *hw)
1137{
1138	if (hw->mac.ops.read_mac_addr)
1139		return hw->mac.ops.read_mac_addr(hw);
1140
1141	return e1000_read_mac_addr_generic(hw);
1142}
1143
1144/**
1145 *  e1000_read_pba_string - Read device part number string
1146 *  @hw: pointer to the HW structure
1147 *  @pba_num: pointer to device part number
1148 *  @pba_num_size: size of part number buffer
1149 *
1150 *  Reads the product board assembly (PBA) number from the EEPROM and stores
1151 *  the value in pba_num.
1152 *  Currently no func pointer exists and all implementations are handled in the
1153 *  generic version of this function.
1154 **/
1155s32 e1000_read_pba_string(struct e1000_hw *hw, u8 *pba_num, u32 pba_num_size)
1156{
1157	return e1000_read_pba_string_generic(hw, pba_num, pba_num_size);
1158}
1159
1160/**
1161 *  e1000_read_pba_length - Read device part number string length
1162 *  @hw: pointer to the HW structure
1163 *  @pba_num_size: size of part number buffer
1164 *
1165 *  Reads the product board assembly (PBA) number length from the EEPROM and
1166 *  stores the value in pba_num.
1167 *  Currently no func pointer exists and all implementations are handled in the
1168 *  generic version of this function.
1169 **/
1170s32 e1000_read_pba_length(struct e1000_hw *hw, u32 *pba_num_size)
1171{
1172	return e1000_read_pba_length_generic(hw, pba_num_size);
1173}
1174
1175/**
1176 *  e1000_read_pba_num - Read device part number
1177 *  @hw: pointer to the HW structure
1178 *  @pba_num: pointer to device part number
1179 *
1180 *  Reads the product board assembly (PBA) number from the EEPROM and stores
1181 *  the value in pba_num.
1182 *  Currently no func pointer exists and all implementations are handled in the
1183 *  generic version of this function.
1184 **/
1185s32 e1000_read_pba_num(struct e1000_hw *hw, u32 *pba_num)
1186{
1187	return e1000_read_pba_num_generic(hw, pba_num);
1188}
1189
1190/**
1191 *  e1000_validate_nvm_checksum - Verifies NVM (EEPROM) checksum
1192 *  @hw: pointer to the HW structure
1193 *
1194 *  Validates the NVM checksum is correct. This is a function pointer entry
1195 *  point called by drivers.
1196 **/
1197s32 e1000_validate_nvm_checksum(struct e1000_hw *hw)
1198{
1199	if (hw->nvm.ops.validate)
1200		return hw->nvm.ops.validate(hw);
1201
1202	return -E1000_ERR_CONFIG;
1203}
1204
1205/**
1206 *  e1000_update_nvm_checksum - Updates NVM (EEPROM) checksum
1207 *  @hw: pointer to the HW structure
1208 *
1209 *  Updates the NVM checksum. Currently no func pointer exists and all
1210 *  implementations are handled in the generic version of this function.
1211 **/
1212s32 e1000_update_nvm_checksum(struct e1000_hw *hw)
1213{
1214	if (hw->nvm.ops.update)
1215		return hw->nvm.ops.update(hw);
1216
1217	return -E1000_ERR_CONFIG;
1218}
1219
1220/**
1221 *  e1000_reload_nvm - Reloads EEPROM
1222 *  @hw: pointer to the HW structure
1223 *
1224 *  Reloads the EEPROM by setting the "Reinitialize from EEPROM" bit in the
1225 *  extended control register.
1226 **/
1227void e1000_reload_nvm(struct e1000_hw *hw)
1228{
1229	if (hw->nvm.ops.reload)
1230		hw->nvm.ops.reload(hw);
1231}
1232
1233/**
1234 *  e1000_read_nvm - Reads NVM (EEPROM)
1235 *  @hw: pointer to the HW structure
1236 *  @offset: the word offset to read
1237 *  @words: number of 16-bit words to read
1238 *  @data: pointer to the properly sized buffer for the data.
1239 *
1240 *  Reads 16-bit chunks of data from the NVM (EEPROM). This is a function
1241 *  pointer entry point called by drivers.
1242 **/
1243s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
1244{
1245	if (hw->nvm.ops.read)
1246		return hw->nvm.ops.read(hw, offset, words, data);
1247
1248	return -E1000_ERR_CONFIG;
1249}
1250
1251/**
1252 *  e1000_write_nvm - Writes to NVM (EEPROM)
1253 *  @hw: pointer to the HW structure
1254 *  @offset: the word offset to read
1255 *  @words: number of 16-bit words to write
1256 *  @data: pointer to the properly sized buffer for the data.
1257 *
1258 *  Writes 16-bit chunks of data to the NVM (EEPROM). This is a function
1259 *  pointer entry point called by drivers.
1260 **/
1261s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
1262{
1263	if (hw->nvm.ops.write)
1264		return hw->nvm.ops.write(hw, offset, words, data);
1265
1266	return E1000_SUCCESS;
1267}
1268
1269/**
1270 *  e1000_write_8bit_ctrl_reg - Writes 8bit Control register
1271 *  @hw: pointer to the HW structure
1272 *  @reg: 32bit register offset
1273 *  @offset: the register to write
1274 *  @data: the value to write.
1275 *
1276 *  Writes the PHY register at offset with the value in data.
1277 *  This is a function pointer entry point called by drivers.
1278 **/
1279s32 e1000_write_8bit_ctrl_reg(struct e1000_hw *hw, u32 reg, u32 offset,
1280                              u8 data)
1281{
1282	return e1000_write_8bit_ctrl_reg_generic(hw, reg, offset, data);
1283}
1284
1285/**
1286 * e1000_power_up_phy - Restores link in case of PHY power down
1287 * @hw: pointer to the HW structure
1288 *
1289 * The phy may be powered down to save power, to turn off link when the
1290 * driver is unloaded, or wake on lan is not enabled (among others).
1291 **/
1292void e1000_power_up_phy(struct e1000_hw *hw)
1293{
1294	if (hw->phy.ops.power_up)
1295		hw->phy.ops.power_up(hw);
1296
1297	e1000_setup_link(hw);
1298}
1299
1300/**
1301 * e1000_power_down_phy - Power down PHY
1302 * @hw: pointer to the HW structure
1303 *
1304 * The phy may be powered down to save power, to turn off link when the
1305 * driver is unloaded, or wake on lan is not enabled (among others).
1306 **/
1307void e1000_power_down_phy(struct e1000_hw *hw)
1308{
1309	if (hw->phy.ops.power_down)
1310		hw->phy.ops.power_down(hw);
1311}
1312
1313/**
1314 *  e1000_power_up_fiber_serdes_link - Power up serdes link
1315 *  @hw: pointer to the HW structure
1316 *
1317 *  Power on the optics and PCS.
1318 **/
1319void e1000_power_up_fiber_serdes_link(struct e1000_hw *hw)
1320{
1321	if (hw->mac.ops.power_up_serdes)
1322		hw->mac.ops.power_up_serdes(hw);
1323}
1324
1325/**
1326 *  e1000_shutdown_fiber_serdes_link - Remove link during power down
1327 *  @hw: pointer to the HW structure
1328 *
1329 *  Shutdown the optics and PCS on driver unload.
1330 **/
1331void e1000_shutdown_fiber_serdes_link(struct e1000_hw *hw)
1332{
1333	if (hw->mac.ops.shutdown_serdes)
1334		hw->mac.ops.shutdown_serdes(hw);
1335}
1336
1337