DevE1000Phy.cpp@ 97583

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1	/** $Id: DevE1000Phy.cpp 96407 2022-08-22 17:43:14Z vboxsync $ */
2	/** @file
3	* DevE1000Phy - Intel 82540EM Ethernet Controller Internal PHY Emulation.
4	*
5	* Implemented in accordance with the specification:
6	* PCI/PCI-X Family of Gigabit Ethernet Controllers Software Developer's
7	* Manual 82540EP/EM, 82541xx, 82544GC/EI, 82545GM/EM, 82546GB/EB, and
8	* 82547xx
9	*
10	* 317453-002 Revision 3.5
11	*/
12
13	/*
14	* Copyright (C) 2007-2022 Oracle and/or its affiliates.
15	*
16	* This file is part of VirtualBox base platform packages, as
17	* available from https://www.virtualbox.org.
18	*
19	* This program is free software; you can redistribute it and/or
20	* modify it under the terms of the GNU General Public License
21	* as published by the Free Software Foundation, in version 3 of the
22	* License.
23	*
24	* This program is distributed in the hope that it will be useful, but
25	* WITHOUT ANY WARRANTY; without even the implied warranty of
26	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27	* General Public License for more details.
28	*
29	* You should have received a copy of the GNU General Public License
30	* along with this program; if not, see <https://www.gnu.org/licenses>.
31	*
32	* SPDX-License-Identifier: GPL-3.0-only
33	*/
34
35	#define LOG_GROUP LOG_GROUP_DEV_E1000
36
37	/** @todo Remove me! For now I want asserts to work in release code. */
38	// #ifndef RT_STRICT
39	// #define RT_STRICT
40	#include <iprt/assert.h>
41	// #undef RT_STRICT
42	// #endif
43
44	#include <iprt/errcore.h>
45	#include <VBox/log.h>
46	#ifdef IN_RING3
47	# include <VBox/vmm/pdmdev.h>
48	#endif
49	#include "DevE1000Phy.h"
50
51	/* Little helpers ************************************************************/
52	#ifdef PHY_UNIT_TEST
53	# define SSMR3PutMem(a,b,c)
54	# define SSMR3GetMem(a,b,c)
55	# include <stdio.h>
56	# define PhyLog(a) printf a
57	#else /* PHY_UNIT_TEST */
58	# define PhyLog(a) Log(a)
59	#endif /* PHY_UNIT_TEST */
60
61	#define REG(x) pPhy->au16Regs[x##_IDX]
62
63
64	/* Internals */
65	namespace Phy {
66	#if defined(LOG_ENABLED) && !defined(PHY_UNIT_TEST)
67	/** Retrieves state name by id */
68	static const char * getStateName(uint16_t u16State);
69	#endif
70	/** Look up register index by address. */
71	static int lookupRegister(uint32_t u32Address);
72	/** Software-triggered reset. */
73	static void softReset(PPHY pPhy, PPDMDEVINS pDevIns);
74
75	/** Read callback. */
76	typedef uint16_t FNREAD(PPHY pPhy, uint32_t index, PPDMDEVINS pDevIns);
77	/** Write callback. */
78	typedef void FNWRITE(PPHY pPhy, uint32_t index, uint16_t u16Value, PPDMDEVINS pDevIns);
79
80	/** @name Generic handlers
81	* @{ */
82	static FNREAD regReadDefault;
83	static FNWRITE regWriteDefault;
84	static FNREAD regReadForbidden;
85	static FNWRITE regWriteForbidden;
86	static FNREAD regReadUnimplemented;
87	static FNWRITE regWriteUnimplemented;
88	/** @} */
89	/** @name Register-specific handlers
90	* @{ */
91	static FNWRITE regWritePCTRL;
92	static FNREAD regReadPSTATUS;
93	static FNREAD regReadGSTATUS;
94	/** @} */
95
96	/**
97	* PHY register map table.
98	*
99	* Override pfnRead and pfnWrite to implement register-specific behavior.
100	*/
101	static struct RegMap_st
102	{
103	/** PHY register address. */
104	uint32_t u32Address;
105	/** Read callback. */
106	FNREAD *pfnRead;
107	/** Write callback. */
108	FNWRITE *pfnWrite;
109	/** Abbreviated name. */
110	const char *pszAbbrev;
111	/** Full name. */
112	const char *pszName;
113	} s_regMap[NUM_OF_PHY_REGS] =
114	{
115	/ra read callback write callback abbrev full name /
116	/-- ------------------------- -------------------------- ---------- ------------------------------/
117	{ 0, Phy::regReadDefault , Phy::regWritePCTRL , "PCTRL" , "PHY Control" },
118	{ 1, Phy::regReadPSTATUS , Phy::regWriteForbidden , "PSTATUS" , "PHY Status" },
119	{ 2, Phy::regReadDefault , Phy::regWriteForbidden , "PID" , "PHY Identifier" },
120	{ 3, Phy::regReadDefault , Phy::regWriteForbidden , "EPID" , "Extended PHY Identifier" },
121	{ 4, Phy::regReadDefault , Phy::regWriteDefault , "ANA" , "Auto-Negotiation Advertisement" },
122	{ 5, Phy::regReadDefault , Phy::regWriteForbidden , "LPA" , "Link Partner Ability" },
123	{ 6, Phy::regReadUnimplemented, Phy::regWriteForbidden , "ANE" , "Auto-Negotiation Expansion" },
124	{ 7, Phy::regReadUnimplemented, Phy::regWriteUnimplemented, "NPT" , "Next Page Transmit" },
125	{ 8, Phy::regReadUnimplemented, Phy::regWriteForbidden , "LPN" , "Link Partner Next Page" },
126	{ 9, Phy::regReadDefault , Phy::regWriteUnimplemented, "GCON" , "1000BASE-T Control" },
127	{ 10, Phy::regReadGSTATUS , Phy::regWriteForbidden , "GSTATUS" , "1000BASE-T Status" },
128	{ 15, Phy::regReadUnimplemented, Phy::regWriteForbidden , "EPSTATUS" , "Extended PHY Status" },
129	{ 16, Phy::regReadDefault , Phy::regWriteDefault , "PSCON" , "PHY Specific Control" },
130	{ 17, Phy::regReadDefault , Phy::regWriteForbidden , "PSSTAT" , "PHY Specific Status" },
131	{ 18, Phy::regReadUnimplemented, Phy::regWriteUnimplemented, "PINTE" , "PHY Interrupt Enable" },
132	{ 19, Phy::regReadUnimplemented, Phy::regWriteForbidden , "PINTS" , "PHY Interrupt Status" },
133	{ 20, Phy::regReadUnimplemented, Phy::regWriteUnimplemented, "EPSCON1" , "Extended PHY Specific Control 1" },
134	{ 21, Phy::regReadUnimplemented, Phy::regWriteForbidden , "PREC" , "PHY Receive Error Counter" },
135	{ 26, Phy::regReadUnimplemented, Phy::regWriteUnimplemented, "EPSCON2" , "Extended PHY Specific Control 2" },
136	{ 29, Phy::regReadForbidden , Phy::regWriteUnimplemented, "R30PS" , "MDI Register 30 Page Select" },
137	{ 30, Phy::regReadUnimplemented, Phy::regWriteUnimplemented, "R30AW" , "MDI Register 30 Access Window" }
138	};
139	}
140
141	/**
142	* Default read handler.
143	*
144	* Fetches register value from the state structure.
145	*
146	* @returns Register value
147	*
148	* @param index Register index in register array.
149	*/
150	static uint16_t Phy::regReadDefault(PPHY pPhy, uint32_t index, PPDMDEVINS pDevIns)
151	{
152	RT_NOREF(pDevIns);
153	AssertReturn(index<Phy::NUM_OF_PHY_REGS, 0);
154	return pPhy->au16Regs[index];
155	}
156
157	/**
158	* Default write handler.
159	*
160	* Writes the specified register value to the state structure.
161	*
162	* @param index Register index in register array.
163	* @param value The value to store (ignored).
164	*/
165	static void Phy::regWriteDefault(PPHY pPhy, uint32_t index, uint16_t u16Value, PPDMDEVINS pDevIns)
166	{
167	RT_NOREF(pDevIns);
168	AssertReturnVoid(index < NUM_OF_PHY_REGS);
169	pPhy->au16Regs[index] = u16Value;
170	}
171
172	/**
173	* Read handler for write-only registers.
174	*
175	* Merely reports reads from write-only registers.
176	*
177	* @returns Register value (always 0)
178	*
179	* @param index Register index in register array.
180	*/
181	static uint16_t Phy::regReadForbidden(PPHY pPhy, uint32_t index, PPDMDEVINS pDevIns)
182	{
183	RT_NOREF(pPhy, index, pDevIns);
184	PhyLog(("PHY#%d At %02d read attempted from write-only '%s'\n",
185	pPhy->iInstance, s_regMap[index].u32Address, s_regMap[index].pszName));
186	return 0;
187	}
188
189	/**
190	* Write handler for read-only registers.
191	*
192	* Merely reports writes to read-only registers.
193	*
194	* @param index Register index in register array.
195	* @param value The value to store (ignored).
196	*/
197	static void Phy::regWriteForbidden(PPHY pPhy, uint32_t index, uint16_t u16Value, PPDMDEVINS pDevIns)
198	{
199	RT_NOREF(pPhy, index, u16Value, pDevIns);
200	PhyLog(("PHY#%d At %02d write attempted to read-only '%s'\n",
201	pPhy->iInstance, s_regMap[index].u32Address, s_regMap[index].pszName));
202	}
203
204	/**
205	* Read handler for unimplemented registers.
206	*
207	* Merely reports reads from unimplemented registers.
208	*
209	* @returns Register value (always 0)
210	*
211	* @param index Register index in register array.
212	*/
213	static uint16_t Phy::regReadUnimplemented(PPHY pPhy, uint32_t index, PPDMDEVINS pDevIns)
214	{
215	RT_NOREF(pPhy, index, pDevIns);
216	PhyLog(("PHY#%d At %02d read attempted from unimplemented '%s'\n",
217	pPhy->iInstance, s_regMap[index].u32Address, s_regMap[index].pszName));
218	return 0;
219	}
220
221	/**
222	* Write handler for unimplemented registers.
223	*
224	* Merely reports writes to unimplemented registers.
225	*
226	* @param index Register index in register array.
227	* @param value The value to store (ignored).
228	*/
229	static void Phy::regWriteUnimplemented(PPHY pPhy, uint32_t index, uint16_t u16Value, PPDMDEVINS pDevIns)
230	{
231	RT_NOREF(pPhy, index, u16Value, pDevIns);
232	PhyLog(("PHY#%d At %02d write attempted to unimplemented '%s'\n",
233	pPhy->iInstance, s_regMap[index].u32Address, s_regMap[index].pszName));
234	}
235
236
237	/**
238	* Search PHY register table for register with matching address.
239	*
240	* @returns Index in the register table or -1 if not found.
241	*
242	* @param u32Address Register address.
243	*/
244	static int Phy::lookupRegister(uint32_t u32Address)
245	{
246	unsigned int index;
247
248	for (index = 0; index < RT_ELEMENTS(s_regMap); index++)
249	{
250	if (s_regMap[index].u32Address == u32Address)
251	{
252	return (int)index;
253	}
254	}
255
256	return -1;
257	}
258
259	/**
260	* Read PHY register.
261	*
262	* @returns Value of specified PHY register.
263	*
264	* @param u32Address Register address.
265	*/
266	uint16_t Phy::readRegister(PPHY pPhy, uint32_t u32Address, PPDMDEVINS pDevIns)
267	{
268	int index = Phy::lookupRegister(u32Address);
269	uint16_t u16 = 0;
270
271	if (index >= 0)
272	{
273	u16 = s_regMap[index].pfnRead(pPhy, (uint32_t)index, pDevIns);
274	PhyLog(("PHY#%d At %02d read %04X from %s (%s)\n",
275	pPhy->iInstance, s_regMap[index].u32Address, u16,
276	s_regMap[index].pszAbbrev, s_regMap[index].pszName));
277	}
278	else
279	{
280	PhyLog(("PHY#%d read attempted from non-existing register %08x\n",
281	pPhy->iInstance, u32Address));
282	}
283	return u16;
284	}
285
286	/**
287	* Write to PHY register.
288	*
289	* @param u32Address Register address.
290	* @param u16Value Value to store.
291	*/
292	void Phy::writeRegister(PPHY pPhy, uint32_t u32Address, uint16_t u16Value, PPDMDEVINS pDevIns)
293	{
294	int index = Phy::lookupRegister(u32Address);
295
296	if (index >= 0)
297	{
298	PhyLog(("PHY#%d At %02d write %04X to %s (%s)\n",
299	pPhy->iInstance, s_regMap[index].u32Address, u16Value,
300	s_regMap[index].pszAbbrev, s_regMap[index].pszName));
301	s_regMap[index].pfnWrite(pPhy, (uint32_t)index, u16Value, pDevIns);
302	}
303	else
304	{
305	PhyLog(("PHY#%d write attempted to non-existing register %08x\n",
306	pPhy->iInstance, u32Address));
307	}
308	}
309
310	/**
311	* PHY constructor.
312	*
313	* Stores E1000 instance internally. Triggers PHY hard reset.
314	*
315	* @param iNICInstance Number of network controller instance this PHY is
316	* attached to.
317	* @param u16EPid Extended PHY Id.
318	*/
319	void Phy::init(PPHY pPhy, int iNICInstance, uint16_t u16EPid)
320	{
321	pPhy->iInstance = iNICInstance;
322	/* The PHY identifier composed of bits 3 through 18 of the OUI */
323	/* (Organizationally Unique Identifier). OUI is 0x05043. */
324	REG(PID) = 0x0141;
325	/* Extended PHY identifier */
326	REG(EPID) = u16EPid;
327	hardReset(pPhy);
328	}
329
330	/**
331	* Hardware PHY reset.
332	*
333	* Sets all PHY registers to their initial values.
334	*/
335	void Phy::hardReset(PPHY pPhy)
336	{
337	PhyLog(("PHY#%d Hard reset\n", pPhy->iInstance));
338	REG(PCTRL) = PCTRL_SPDSELM \| PCTRL_DUPMOD \| PCTRL_ANEG;
339	/*
340	* 100 and 10 FD/HD, Extended Status, MF Preamble Suppression,
341	* AUTO NEG AB, EXT CAP
342	*/
343	REG(PSTATUS) = 0x7949;
344	REG(ANA) = 0x01E1;
345	/* No flow control by our link partner, all speeds */
346	REG(LPA) = 0x01E0;
347	REG(ANE) = 0x0000;
348	REG(NPT) = 0x2001;
349	REG(LPN) = 0x0000;
350	REG(GCON) = 0x1E00;
351	REG(GSTATUS) = 0x0000;
352	REG(EPSTATUS) = 0x3000;
353	REG(PSCON) = 0x0068;
354	REG(PSSTAT) = 0x0000;
355	REG(PINTE) = 0x0000;
356	REG(PINTS) = 0x0000;
357	REG(EPSCON1) = 0x0D60;
358	REG(PREC) = 0x0000;
359	REG(EPSCON2) = 0x000C;
360	REG(R30PS) = 0x0000;
361	REG(R30AW) = 0x0000;
362
363	pPhy->u16State = MDIO_IDLE;
364	}
365
366	/**
367	* Software PHY reset.
368	*/
369	static void Phy::softReset(PPHY pPhy, PPDMDEVINS pDevIns)
370	{
371	PhyLog(("PHY#%d Soft reset\n", pPhy->iInstance));
372
373	REG(PCTRL) = REG(PCTRL) & (PCTRL_SPDSELM \| PCTRL_DUPMOD \| PCTRL_ANEG \| PCTRL_SPDSELL);
374	/*
375	* 100 and 10 FD/HD, Extended Status, MF Preamble Suppression,
376	* AUTO NEG AB, EXT CAP
377	*/
378	REG(PSTATUS) = 0x7949;
379	REG(PSSTAT) &= 0xe001;
380	PhyLog(("PHY#%d PSTATUS=%04x PSSTAT=%04x\n", pPhy->iInstance, REG(PSTATUS), REG(PSSTAT)));
381
382	e1kPhyLinkResetCallback(pDevIns);
383	}
384
385	/**
386	* Get the current state of the link.
387	*
388	* @returns true if link is up.
389	*/
390	bool Phy::isLinkUp(PPHY pPhy)
391	{
392	return (REG(PSSTAT) & PSSTAT_LINK) != 0;
393	}
394
395	/**
396	* Set the current state of the link.
397	*
398	* @remarks Link Status bit in PHY Status register is latched-low and does
399	* not change the state when the link goes up.
400	*
401	* @param fLinkIsUp New state of the link.
402	*/
403	void Phy::setLinkStatus(PPHY pPhy, bool fLinkIsUp)
404	{
405	if (fLinkIsUp)
406	{
407	REG(PSSTAT) \|= PSSTAT_LINK_ALL;
408	REG(PSTATUS) \|= PSTATUS_NEGCOMP; /* PSTATUS_LNKSTAT is latched low */
409	}
410	else
411	{
412	REG(PSSTAT) &= ~PSSTAT_LINK_ALL;
413	REG(PSTATUS) &= ~(PSTATUS_LNKSTAT \| PSTATUS_NEGCOMP);
414	}
415	PhyLog(("PHY#%d setLinkStatus: PSTATUS=%04x PSSTAT=%04x\n", pPhy->iInstance, REG(PSTATUS), REG(PSSTAT)));
416	}
417
418	#ifdef IN_RING3
419
420	/**
421	* Save PHY state.
422	*
423	* @remarks Since PHY is aggregated into E1K it does not currently supports
424	* versioning of its own.
425	*
426	* @returns VBox status code.
427	* @param pHlp Device helper table.
428	* @param pSSM The handle to save the state to.
429	* @param pPhy The pointer to this instance.
430	*/
431	int Phy::saveState(PCPDMDEVHLPR3 pHlp, PSSMHANDLE pSSM, PPHY pPhy)
432	{
433	pHlp->pfnSSMPutMem(pSSM, pPhy->au16Regs, sizeof(pPhy->au16Regs));
434	return VINF_SUCCESS;
435	}
436
437	/**
438	* Restore previously saved PHY state.
439	*
440	* @remarks Since PHY is aggregated into E1K it does not currently supports
441	* versioning of its own.
442	*
443	* @returns VBox status code.
444	* @param pHlp Device helper table.
445	* @param pSSM The handle to save the state to.
446	* @param pPhy The pointer to this instance.
447	*/
448	int Phy::loadState(PCPDMDEVHLPR3 pHlp, PSSMHANDLE pSSM, PPHY pPhy)
449	{
450	return pHlp->pfnSSMGetMem(pSSM, pPhy->au16Regs, sizeof(pPhy->au16Regs));
451	}
452
453	#endif /* IN_RING3 */
454
455	/* Register-specific handlers ************************************************/
456
457	/**
458	* Write handler for PHY Control register.
459	*
460	* Handles reset.
461	*
462	* @param index Register index in register array.
463	* @param value The value to store (ignored).
464	*/
465	static void Phy::regWritePCTRL(PPHY pPhy, uint32_t index, uint16_t u16Value, PPDMDEVINS pDevIns)
466	{
467	if (u16Value & PCTRL_RESET)
468	softReset(pPhy, pDevIns);
469	else
470	regWriteDefault(pPhy, index, u16Value, pDevIns);
471	}
472
473	/**
474	* Read handler for PHY Status register.
475	*
476	* Handles Latched-Low Link Status bit.
477	*
478	* @returns Register value
479	*
480	* @param index Register index in register array.
481	*/
482	static uint16_t Phy::regReadPSTATUS(PPHY pPhy, uint32_t index, PPDMDEVINS pDevIns)
483	{
484	RT_NOREF(pPhy, index, pDevIns);
485
486	/* Read latched value */
487	uint16_t u16 = REG(PSTATUS);
488	if (REG(PSSTAT) & PSSTAT_LINK)
489	REG(PSTATUS) \|= PSTATUS_LNKSTAT;
490	else
491	REG(PSTATUS) &= ~PSTATUS_LNKSTAT;
492	return u16;
493	}
494
495	/**
496	* Read handler for 1000BASE-T Status register.
497	*
498	* @returns Register value
499	*
500	* @param index Register index in register array.
501	*/
502	static uint16_t Phy::regReadGSTATUS(PPHY pPhy, uint32_t index, PPDMDEVINS pDevIns)
503	{
504	RT_NOREF(pPhy, index, pDevIns);
505
506	/*
507	* - Link partner is capable of 1000BASE-T half duplex
508	* - Link partner is capable of 1000BASE-T full duplex
509	* - Remote receiver OK
510	* - Local receiver OK
511	* - Local PHY config resolved to SLAVE
512	*/
513	return 0x3C00;
514	}
515
516	#if defined(LOG_ENABLED) && !defined(PHY_UNIT_TEST)
517	static const char * Phy::getStateName(uint16_t u16State)
518	{
519	static const char *pcszState[] =
520	{
521	"MDIO_IDLE",
522	"MDIO_ST",
523	"MDIO_OP_ADR",
524	"MDIO_TA_RD",
525	"MDIO_TA_WR",
526	"MDIO_READ",
527	"MDIO_WRITE"
528	};
529
530	return (u16State < RT_ELEMENTS(pcszState)) ? pcszState[u16State] : "<invalid>";
531	}
532	#endif
533
534	bool Phy::readMDIO(PPHY pPhy)
535	{
536	bool fPin = false;
537
538	switch (pPhy->u16State)
539	{
540	case MDIO_TA_RD:
541	Assert(pPhy->u16Cnt == 1);
542	fPin = false;
543	pPhy->u16State = MDIO_READ;
544	pPhy->u16Cnt = 16;
545	break;
546	case MDIO_READ:
547	/* Bits are shifted out in MSB to LSB order */
548	fPin = (pPhy->u16Acc & 0x8000) != 0;
549	pPhy->u16Acc <<= 1;
550	if (--pPhy->u16Cnt == 0)
551	pPhy->u16State = MDIO_IDLE;
552	break;
553	default:
554	PhyLog(("PHY#%d WARNING! MDIO pin read in %s state\n", pPhy->iInstance, Phy::getStateName(pPhy->u16State)));
555	pPhy->u16State = MDIO_IDLE;
556	}
557	return fPin;
558	}
559
560	/** Set the value of MDIO pin. */
561	void Phy::writeMDIO(PPHY pPhy, bool fPin, PPDMDEVINS pDevIns)
562	{
563	switch (pPhy->u16State)
564	{
565	case MDIO_IDLE:
566	if (!fPin)
567	pPhy->u16State = MDIO_ST;
568	break;
569	case MDIO_ST:
570	if (fPin)
571	{
572	pPhy->u16State = MDIO_OP_ADR;
573	pPhy->u16Cnt = 12; /* OP + PHYADR + REGADR */
574	pPhy->u16Acc = 0;
575	}
576	break;
577	case MDIO_OP_ADR:
578	Assert(pPhy->u16Cnt);
579	/* Shift in 'u16Cnt' bits into accumulator */
580	pPhy->u16Acc <<= 1;
581	if (fPin)
582	pPhy->u16Acc \|= 1;
583	if (--pPhy->u16Cnt == 0)
584	{
585	/* Got OP(2) + PHYADR(5) + REGADR(5) */
586	/* Note: A single PHY is supported, ignore PHYADR */
587	switch (pPhy->u16Acc >> 10)
588	{
589	case MDIO_READ_OP:
590	pPhy->u16Acc = readRegister(pPhy, pPhy->u16Acc & 0x1F, pDevIns);
591	pPhy->u16State = MDIO_TA_RD;
592	pPhy->u16Cnt = 1;
593	break;
594	case MDIO_WRITE_OP:
595	pPhy->u16RegAdr = pPhy->u16Acc & 0x1F;
596	pPhy->u16State = MDIO_TA_WR;
597	pPhy->u16Cnt = 2;
598	break;
599	default:
600	PhyLog(("PHY#%d ERROR! Invalid MDIO op: %d\n", pPhy->iInstance, pPhy->u16Acc >> 10));
601	pPhy->u16State = MDIO_IDLE;
602	break;
603	}
604	}
605	break;
606	case MDIO_TA_WR:
607	Assert(pPhy->u16Cnt <= 2);
608	Assert(pPhy->u16Cnt > 0);
609	if (--pPhy->u16Cnt == 0)
610	{
611	pPhy->u16State = MDIO_WRITE;
612	pPhy->u16Cnt = 16;
613	}
614	break;
615	case MDIO_WRITE:
616	Assert(pPhy->u16Cnt);
617	pPhy->u16Acc <<= 1;
618	if (fPin)
619	pPhy->u16Acc \|= 1;
620	if (--pPhy->u16Cnt == 0)
621	{
622	writeRegister(pPhy, pPhy->u16RegAdr, pPhy->u16Acc, pDevIns);
623	pPhy->u16State = MDIO_IDLE;
624	}
625	break;
626	default:
627	PhyLog(("PHY#%d ERROR! MDIO pin write in %s state\n", pPhy->iInstance, Phy::getStateName(pPhy->u16State)));
628	pPhy->u16State = MDIO_IDLE;
629	break;
630	}
631	}
632

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source: vbox/trunk/src/VBox/Devices/Network/DevE1000Phy.cpp@ 97583

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