xref: /freebsd/sys/dev/stge/if_stgereg.h (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
1 /*	$NetBSD: if_stgereg.h,v 1.3 2003/02/10 21:10:07 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jason R. Thorpe.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /* $FreeBSD$ */
33 
34 /*
35  * Sundance Technology PCI vendor ID
36  */
37 #define	VENDOR_SUNDANCETI	0x13f0
38 
39 /*
40  * Tamarack Microelectronics PCI vendor ID
41  */
42 #define	VENDOR_TAMARACK		0x143d
43 
44 /*
45  * D-Link Systems PCI vendor ID
46  */
47 #define	VENDOR_DLINK		0x1186
48 
49 /*
50  * Antares Microsystems PCI vendor ID
51  */
52 #define	VENDOR_ANTARES		0x1754
53 
54 /*
55  * Sundance Technology device ID
56  */
57 #define	DEVICEID_SUNDANCETI_ST1023	0x1023
58 #define	DEVICEID_SUNDANCETI_ST2021	0x2021
59 #define	DEVICEID_TAMARACK_TC9021	0x1021
60 #define	DEVICEID_TAMARACK_TC9021_ALT	0x9021
61 
62 /*
63  * D-Link Systems device ID
64  */
65 #define	DEVICEID_DLINK_DL4000		0x4000
66 
67 /*
68  * Antares Microsystems device ID
69  */
70 #define	DEVICEID_ANTARES_TC9021		0x1021
71 
72 /*
73  * Register description for the Sundance Tech. TC9021 10/100/1000
74  * Ethernet controller.
75  *
76  * Note that while DMA addresses are all in 64-bit fields, only
77  * the lower 40 bits of a DMA address are valid.
78  */
79 #if (BUS_SPACE_MAXADDR < 0xFFFFFFFFFF)
80 #define	STGE_DMA_MAXADDR	BUS_SPACE_MAXADDR
81 #else
82 #define	STGE_DMA_MAXADDR	0xFFFFFFFFFF
83 #endif
84 
85 /*
86  * Register access macros
87  */
88 #define CSR_WRITE_4(_sc, reg, val)	\
89 	bus_write_4((_sc)->sc_res[0], (reg), (val))
90 #define CSR_WRITE_2(_sc, reg, val)	\
91 	bus_write_2((_sc)->sc_res[0], (reg), (val))
92 #define CSR_WRITE_1(_sc, reg, val)	\
93 	bus_write_1((_sc)->sc_res[0], (reg), (val))
94 
95 #define CSR_READ_4(_sc, reg)		\
96 	bus_read_4((_sc)->sc_res[0], (reg))
97 #define CSR_READ_2(_sc, reg)		\
98 	bus_read_2((_sc)->sc_res[0], (reg))
99 #define CSR_READ_1(_sc, reg)		\
100 	bus_read_1((_sc)->sc_res[0], (reg))
101 
102 #define	CSR_BARRIER(_sc, reg, length, flags)				\
103 	bus_barrier((_sc)->sc_res[0], reg, length, flags)
104 
105 /*
106  * TC9021 buffer fragment descriptor.
107  */
108 struct stge_frag {
109 	uint64_t	frag_word0;	/* address, length */
110 };
111 
112 #define	FRAG_ADDR(x)	(((uint64_t)(x)) << 0)
113 #define	FRAG_ADDR_MASK	FRAG_ADDR(0xfffffffffULL)
114 #define	FRAG_LEN(x)	(((uint64_t)(x)) << 48)
115 #define	FRAG_LEN_MASK	FRAG_LEN(0xffffULL)
116 
117 /*
118  * TC9021 Transmit Frame Descriptor.  Note the number of fragments
119  * here is arbitrary, but we can't have any more than 15.
120  */
121 #define	STGE_NTXFRAGS	15
122 struct stge_tfd {
123 	uint64_t	tfd_next;	/* next TFD in list */
124 	uint64_t	tfd_control;	/* control bits */
125 					/* the buffer fragments */
126 	struct stge_frag tfd_frags[STGE_NTXFRAGS];
127 };
128 
129 #define	TFD_FrameId(x)		((x) << 0)
130 #define	TFD_FrameId_MAX		0xffff
131 #define	TFD_WordAlign(x)	((x) << 16)
132 #define	TFD_WordAlign_dword	0		/* align to dword in TxFIFO */
133 #define	TFD_WordAlign_word	2		/* align to word in TxFIFO */
134 #define	TFD_WordAlign_disable	1		/* disable alignment */
135 #define	TFD_TCPChecksumEnable	(1ULL << 18)
136 #define	TFD_UDPChecksumEnable	(1ULL << 19)
137 #define	TFD_IPChecksumEnable	(1ULL << 20)
138 #define	TFD_FcsAppendDisable	(1ULL << 21)
139 #define	TFD_TxIndicate		(1ULL << 22)
140 #define	TFD_TxDMAIndicate	(1ULL << 23)
141 #define	TFD_FragCount(x)	((x) << 24)
142 #define	TFD_VLANTagInsert	(1ULL << 28)
143 #define	TFD_TFDDone		(1ULL << 31)
144 #define	TFD_VID(x)		(((uint64_t)(x)) << 32)
145 #define	TFD_CFI			(1ULL << 44)
146 #define	TFD_UserPriority(x)	(((uint64_t)(x)) << 45)
147 
148 /*
149  * TC9021 Receive Frame Descriptor.  Each RFD has a single fragment
150  * in it, and the chip tells us the beginning and end of the frame.
151  */
152 struct stge_rfd {
153 	uint64_t	rfd_next;	/* next RFD in list */
154 	uint64_t	rfd_status;	/* status bits */
155 	struct stge_frag rfd_frag;	/* the buffer */
156 };
157 
158 /* Low word of rfd_status */
159 #define RFD_RxStatus(x)		((x) & 0xffffffff)
160 #define	RFD_RxDMAFrameLen(x)	((x) & 0xffff)
161 #define	RFD_RxFIFOOverrun	0x00010000
162 #define	RFD_RxRuntFrame		0x00020000
163 #define	RFD_RxAlignmentError	0x00040000
164 #define	RFD_RxFCSError		0x00080000
165 #define	RFD_RxOversizedFrame	0x00100000
166 #define	RFD_RxLengthError	0x00200000
167 #define	RFD_VLANDetected	0x00400000
168 #define	RFD_TCPDetected		0x00800000
169 #define	RFD_TCPError		0x01000000
170 #define	RFD_UDPDetected		0x02000000
171 #define	RFD_UDPError		0x04000000
172 #define	RFD_IPDetected		0x08000000
173 #define	RFD_IPError		0x10000000
174 #define	RFD_FrameStart		0x20000000
175 #define	RFD_FrameEnd		0x40000000
176 #define	RFD_RFDDone		0x80000000
177 /* High word of rfd_status */
178 #define	RFD_TCI(x)		((((uint64_t)(x)) >> 32) & 0xffff)
179 
180 /*
181  * EEPROM offsets.
182  */
183 #define	STGE_EEPROM_ConfigParam		0x00
184 #define	STGE_EEPROM_AsicCtrl		0x01
185 #define	STGE_EEPROM_SubSystemVendorId	0x02
186 #define	STGE_EEPROM_SubSystemId		0x03
187 #define	STGE_EEPROM_LEDMode		0x06
188 #define	STGE_EEPROM_StationAddress0	0x10
189 #define	STGE_EEPROM_StationAddress1	0x11
190 #define	STGE_EEPROM_StationAddress2	0x12
191 
192 /*
193  * The TC9021 register space.
194  */
195 
196 #define	STGE_DMACtrl			0x00
197 #define	DMAC_RxDMAComplete		(1U << 3)
198 #define	DMAC_RxDMAPollNow		(1U << 4)
199 #define	DMAC_TxDMAComplete		(1U << 11)
200 #define	DMAC_TxDMAPollNow		(1U << 12)
201 #define	DMAC_TxDMAInProg		(1U << 15)
202 #define	DMAC_RxEarlyDisable		(1U << 16)
203 #define	DMAC_MWIDisable			(1U << 18)
204 #define	DMAC_TxWriteBackDisable		(1U << 19)
205 #define	DMAC_TxBurstLimit(x)		((x) << 20)
206 #define	DMAC_TargetAbort		(1U << 30)
207 #define	DMAC_MasterAbort		(1U << 31)
208 
209 #define	STGE_RxDMAStatus		0x08
210 
211 #define	STGE_TFDListPtrLo		0x10
212 
213 #define	STGE_TFDListPtrHi		0x14
214 
215 #define	STGE_TxDMABurstThresh		0x18	/* 8-bit */
216 
217 #define	STGE_TxDMAUrgentThresh		0x19	/* 8-bit */
218 
219 #define	STGE_TxDMAPollPeriod		0x1a	/* 8-bit, 320ns increments */
220 
221 #define	STGE_RFDListPtrLo		0x1c
222 
223 #define	STGE_RFDListPtrHi		0x20
224 
225 #define	STGE_RxDMABurstThresh		0x24	/* 8-bit */
226 
227 #define	STGE_RxDMAUrgentThresh		0x25	/* 8-bit */
228 
229 #define	STGE_RxDMAPollPeriod		0x26	/* 8-bit, 320ns increments */
230 
231 #define	STGE_RxDMAIntCtrl		0x28
232 #define	RDIC_RxFrameCount(x)		((x) & 0xff)
233 #define	RDIC_PriorityThresh(x)		((x) << 10)
234 #define	RDIC_RxDMAWaitTime(x)		((x) << 16)
235 /*
236  * Number of receive frames transferred via DMA before a Rx interrupt is issued.
237  */
238 #define	STGE_RXINT_NFRAME_DEFAULT	8
239 #define	STGE_RXINT_NFRAME_MIN		1
240 #define	STGE_RXINT_NFRAME_MAX		255
241 /*
242  * Maximum amount of time (in 64ns increments) to wait before issuing a Rx
243  * interrupt if number of frames recevied is less than STGE_RXINT_NFRAME
244  * (STGE_RXINT_NFRAME_MIN <= STGE_RXINT_NFRAME <= STGE_RXINT_NFRAME_MAX)
245  */
246 #define	STGE_RXINT_DMAWAIT_DEFAULT	30	/* 30us */
247 #define	STGE_RXINT_DMAWAIT_MIN		0
248 #define	STGE_RXINT_DMAWAIT_MAX		4194
249 #define	STGE_RXINT_USECS2TICK(x)	(((x) * 1000)/64)
250 
251 #define	STGE_DebugCtrl			0x2c	/* 16-bit */
252 #define	DC_GPIO0Ctrl			(1U << 0)
253 #define	DC_GPIO1Ctrl			(1U << 1)
254 #define	DC_GPIO0			(1U << 2)
255 #define	DC_GPIO1			(1U << 3)
256 
257 #define	STGE_AsicCtrl			0x30
258 #define	AC_ExpRomDisable		(1U << 0)
259 #define	AC_ExpRomSize			(1U << 1)
260 #define	AC_PhySpeed10			(1U << 4)
261 #define	AC_PhySpeed100			(1U << 5)
262 #define	AC_PhySpeed1000			(1U << 6)
263 #define	AC_PhyMedia			(1U << 7)
264 #define	AC_ForcedConfig(x)		((x) << 8)
265 #define	AC_ForcedConfig_MASK		AC_ForcedConfig(7)
266 #define	AC_D3ResetDisable		(1U << 11)
267 #define	AC_SpeedupMode			(1U << 13)
268 #define	AC_LEDMode			(1U << 14)
269 #define	AC_RstOutPolarity		(1U << 15)
270 #define	AC_GlobalReset			(1U << 16)
271 #define	AC_RxReset			(1U << 17)
272 #define	AC_TxReset			(1U << 18)
273 #define	AC_DMA				(1U << 19)
274 #define	AC_FIFO				(1U << 20)
275 #define	AC_Network			(1U << 21)
276 #define	AC_Host				(1U << 22)
277 #define	AC_AutoInit			(1U << 23)
278 #define	AC_RstOut			(1U << 24)
279 #define	AC_InterruptRequest		(1U << 25)
280 #define	AC_ResetBusy			(1U << 26)
281 #define	AC_LEDSpeed			(1U << 27)
282 #define	AC_LEDModeBit1			(1U << 29)
283 
284 #define	STGE_FIFOCtrl			0x38	/* 16-bit */
285 #define	FC_RAMTestMode			(1U << 0)
286 #define	FC_Transmitting			(1U << 14)
287 #define	FC_Receiving			(1U << 15)
288 
289 #define	STGE_RxEarlyThresh		0x3a	/* 16-bit */
290 
291 #define	STGE_FlowOffThresh		0x3c	/* 16-bit */
292 
293 #define	STGE_FlowOnTresh		0x3e	/* 16-bit */
294 
295 #define	STGE_TxStartThresh		0x44	/* 16-bit */
296 
297 #define	STGE_EepromData			0x48	/* 16-bit */
298 
299 #define	STGE_EepromCtrl			0x4a	/* 16-bit */
300 #define	EC_EepromAddress(x)		((x) & 0xff)
301 #define	EC_EepromOpcode(x)		((x) << 8)
302 #define	EC_OP_WE			0
303 #define	EC_OP_WR			1
304 #define	EC_OP_RR			2
305 #define	EC_OP_ER			3
306 #define	EC_EepromBusy			(1U << 15)
307 
308 #define	STGE_ExpRomAddr			0x4c
309 
310 #define	STGE_ExpRomData			0x50	/* 8-bit */
311 
312 #define	STGE_WakeEvent			0x51	/* 8-bit */
313 #define	WE_WakePktEnable		(1U << 0)
314 #define	WE_MagicPktEnable		(1U << 1)
315 #define	WE_LinkEventEnable		(1U << 2)
316 #define	WE_WakePolarity			(1U << 3)
317 #define	WE_WakePktEvent			(1U << 4)
318 #define	WE_MagicPktEvent		(1U << 5)
319 #define	WE_LinkEvent			(1U << 6)
320 #define	WE_WakeOnLanEnable		(1U << 7)
321 
322 #define	STGE_Countdown			0x54
323 #define	CD_Count(x)			((x) & 0xffff)
324 #define	CD_CountdownSpeed		(1U << 24)
325 #define	CD_CountdownMode		(1U << 25)
326 #define	CD_CountdownIntEnabled		(1U << 26)
327 
328 #define	STGE_IntStatusAck		0x5a	/* 16-bit */
329 
330 #define	STGE_IntEnable			0x5c	/* 16-bit */
331 
332 #define	STGE_IntStatus			0x5e	/* 16-bit */
333 
334 #define	IS_InterruptStatus		(1U << 0)
335 #define	IS_HostError			(1U << 1)
336 #define	IS_TxComplete			(1U << 2)
337 #define	IS_MACControlFrame		(1U << 3)
338 #define	IS_RxComplete			(1U << 4)
339 #define	IS_RxEarly			(1U << 5)
340 #define	IS_InRequested			(1U << 6)
341 #define	IS_UpdateStats			(1U << 7)
342 #define	IS_LinkEvent			(1U << 8)
343 #define	IS_TxDMAComplete		(1U << 9)
344 #define	IS_RxDMAComplete		(1U << 10)
345 #define	IS_RFDListEnd			(1U << 11)
346 #define	IS_RxDMAPriority		(1U << 12)
347 
348 #define	STGE_TxStatus			0x60
349 #define	TS_TxError			(1U << 0)
350 #define	TS_LateCollision		(1U << 2)
351 #define	TS_MaxCollisions		(1U << 3)
352 #define	TS_TxUnderrun			(1U << 4)
353 #define	TS_TxIndicateReqd		(1U << 6)
354 #define	TS_TxComplete			(1U << 7)
355 #define	TS_TxFrameId_get(x)		((x) >> 16)
356 
357 #define	STGE_MACCtrl			0x6c
358 #define	MC_IFSSelect(x)			((x) & 3)
359 #define	MC_IFS96bit			0
360 #define	MC_IFS1024bit			1
361 #define	MC_IFS1792bit			2
362 #define	MC_IFS4352bit			3
363 
364 #define	MC_DuplexSelect			(1U << 5)
365 #define	MC_RcvLargeFrames		(1U << 6)
366 #define	MC_TxFlowControlEnable		(1U << 7)
367 #define	MC_RxFlowControlEnable		(1U << 8)
368 #define	MC_RcvFCS			(1U << 9)
369 #define	MC_FIFOLoopback			(1U << 10)
370 #define	MC_MACLoopback			(1U << 11)
371 #define	MC_AutoVLANtagging		(1U << 12)
372 #define	MC_AutoVLANuntagging		(1U << 13)
373 #define	MC_CollisionDetect		(1U << 16)
374 #define	MC_CarrierSense			(1U << 17)
375 #define	MC_StatisticsEnable		(1U << 21)
376 #define	MC_StatisticsDisable		(1U << 22)
377 #define	MC_StatisticsEnabled		(1U << 23)
378 #define	MC_TxEnable			(1U << 24)
379 #define	MC_TxDisable			(1U << 25)
380 #define	MC_TxEnabled			(1U << 26)
381 #define	MC_RxEnable			(1U << 27)
382 #define	MC_RxDisable			(1U << 28)
383 #define	MC_RxEnabled			(1U << 29)
384 #define	MC_Paused			(1U << 30)
385 #define	MC_MASK				0x7fe33fa3
386 
387 #define	STGE_VLANTag			0x70
388 
389 #define STGE_PhySet			0x75	/* 8-bit */
390 #define	PS_MemLenb9b			(1U << 0)
391 #define	PS_MemLen			(1U << 1)
392 #define	PS_NonCompdet			(1U << 2)
393 
394 #define	STGE_PhyCtrl			0x76	/* 8-bit */
395 #define	PC_MgmtClk			(1U << 0)
396 #define	PC_MgmtData			(1U << 1)
397 #define	PC_MgmtDir			(1U << 2)	/* MAC->PHY */
398 #define	PC_PhyDuplexPolarity		(1U << 3)
399 #define	PC_PhyDuplexStatus		(1U << 4)
400 #define	PC_PhyLnkPolarity		(1U << 5)
401 #define	PC_LinkSpeed(x)			(((x) >> 6) & 3)
402 #define	PC_LinkSpeed_Down		0
403 #define	PC_LinkSpeed_10			1
404 #define	PC_LinkSpeed_100		2
405 #define	PC_LinkSpeed_1000		3
406 
407 #define	STGE_StationAddress0		0x78	/* 16-bit */
408 
409 #define	STGE_StationAddress1		0x7a	/* 16-bit */
410 
411 #define	STGE_StationAddress2		0x7c	/* 16-bit */
412 
413 #define	STGE_VLANHashTable		0x7e	/* 16-bit */
414 
415 #define	STGE_VLANId			0x80
416 
417 #define	STGE_MaxFrameSize		0x86
418 
419 #define	STGE_ReceiveMode		0x88	/* 16-bit */
420 #define	RM_ReceiveUnicast		(1U << 0)
421 #define	RM_ReceiveMulticast		(1U << 1)
422 #define	RM_ReceiveBroadcast		(1U << 2)
423 #define	RM_ReceiveAllFrames		(1U << 3)
424 #define	RM_ReceiveMulticastHash		(1U << 4)
425 #define	RM_ReceiveIPMulticast		(1U << 5)
426 #define	RM_ReceiveVLANMatch		(1U << 8)
427 #define	RM_ReceiveVLANHash		(1U << 9)
428 
429 #define	STGE_HashTable0			0x8c
430 
431 #define	STGE_HashTable1			0x90
432 
433 #define	STGE_RMONStatisticsMask		0x98	/* set to disable */
434 
435 #define	STGE_StatisticsMask		0x9c	/* set to disable */
436 
437 #define	STGE_RxJumboFrames		0xbc	/* 16-bit */
438 
439 #define	STGE_TCPCheckSumErrors		0xc0	/* 16-bit */
440 
441 #define	STGE_IPCheckSumErrors		0xc2	/* 16-bit */
442 
443 #define	STGE_UDPCheckSumErrors		0xc4	/* 16-bit */
444 
445 #define	STGE_TxJumboFrames		0xf4	/* 16-bit */
446 
447 /*
448  * TC9021 statistics.  Available memory and I/O mapped.
449  */
450 
451 #define	STGE_OctetRcvOk			0xa8
452 
453 #define	STGE_McstOctetRcvdOk		0xac
454 
455 #define	STGE_BcstOctetRcvdOk		0xb0
456 
457 #define	STGE_FramesRcvdOk		0xb4
458 
459 #define	STGE_McstFramesRcvdOk		0xb8
460 
461 #define	STGE_BcstFramesRcvdOk		0xbe	/* 16-bit */
462 
463 #define	STGE_MacControlFramesRcvd	0xc6	/* 16-bit */
464 
465 #define	STGE_FrameTooLongErrors		0xc8	/* 16-bit */
466 
467 #define	STGE_InRangeLengthErrors	0xca	/* 16-bit */
468 
469 #define	STGE_FramesCheckSeqErrors	0xcc	/* 16-bit */
470 
471 #define	STGE_FramesLostRxErrors		0xce	/* 16-bit */
472 
473 #define	STGE_OctetXmtdOk		0xd0
474 
475 #define	STGE_McstOctetXmtdOk		0xd4
476 
477 #define	STGE_BcstOctetXmtdOk		0xd8
478 
479 #define	STGE_FramesXmtdOk		0xdc
480 
481 #define	STGE_McstFramesXmtdOk		0xe0
482 
483 #define	STGE_FramesWDeferredXmt		0xe4
484 
485 #define	STGE_LateCollisions		0xe8
486 
487 #define	STGE_MultiColFrames		0xec
488 
489 #define	STGE_SingleColFrames		0xf0
490 
491 #define	STGE_BcstFramesXmtdOk		0xf6	/* 16-bit */
492 
493 #define	STGE_CarrierSenseErrors		0xf8	/* 16-bit */
494 
495 #define	STGE_MacControlFramesXmtd	0xfa	/* 16-bit */
496 
497 #define	STGE_FramesAbortXSColls		0xfc	/* 16-bit */
498 
499 #define	STGE_FramesWEXDeferal		0xfe	/* 16-bit */
500 
501 /*
502  * RMON-compatible statistics.  Only accessible if memory-mapped.
503  */
504 
505 #define	STGE_EtherStatsCollisions			0x100
506 
507 #define	STGE_EtherStatsOctetsTransmit			0x104
508 
509 #define	STGE_EtherStatsPktsTransmit			0x108
510 
511 #define	STGE_EtherStatsPkts64OctetsTransmit		0x10c
512 
513 #define	STGE_EtherStatsPkts64to127OctetsTransmit	0x110
514 
515 #define	STGE_EtherStatsPkts128to255OctetsTransmit	0x114
516 
517 #define	STGE_EtherStatsPkts256to511OctetsTransmit	0x118
518 
519 #define	STGE_EtherStatsPkts512to1023OctetsTransmit	0x11c
520 
521 #define	STGE_EtherStatsPkts1024to1518OctetsTransmit	0x120
522 
523 #define	STGE_EtherStatsCRCAlignErrors			0x124
524 
525 #define	STGE_EtherStatsUndersizePkts			0x128
526 
527 #define	STGE_EtherStatsFragments			0x12c
528 
529 #define	STGE_EtherStatsJabbers				0x130
530 
531 #define	STGE_EtherStatsOctets				0x134
532 
533 #define	STGE_EtherStatsPkts				0x138
534 
535 #define	STGE_EtherStatsPkts64Octets			0x13c
536 
537 #define	STGE_EtherStatsPkts65to127Octets		0x140
538 
539 #define	STGE_EtherStatsPkts128to255Octets		0x144
540 
541 #define	STGE_EtherStatsPkts256to511Octets		0x148
542 
543 #define	STGE_EtherStatsPkts512to1023Octets		0x14c
544 
545 #define	STGE_EtherStatsPkts1024to1518Octets		0x150
546 
547 /*
548  * Transmit descriptor list size.
549  */
550 #define	STGE_TX_RING_CNT	256
551 #define	STGE_TX_LOWAT		(STGE_TX_RING_CNT/32)
552 #define	STGE_TX_HIWAT		(STGE_TX_RING_CNT - STGE_TX_LOWAT)
553 
554 /*
555  * Receive descriptor list size.
556  */
557 #define	STGE_RX_RING_CNT	256
558 
559 #define	STGE_MAXTXSEGS		STGE_NTXFRAGS
560 
561 #define STGE_JUMBO_FRAMELEN	9022
562 #define STGE_JUMBO_MTU	\
563 	(STGE_JUMBO_FRAMELEN - ETHER_HDR_LEN - ETHER_CRC_LEN)
564 
565 struct stge_txdesc {
566 	struct mbuf *tx_m;		/* head of our mbuf chain */
567 	bus_dmamap_t tx_dmamap;		/* our DMA map */
568 	STAILQ_ENTRY(stge_txdesc) tx_q;
569 };
570 
571 STAILQ_HEAD(stge_txdq, stge_txdesc);
572 
573 struct stge_rxdesc {
574 	struct mbuf *rx_m;
575 	bus_dmamap_t rx_dmamap;
576 };
577 
578 #define	STGE_ADDR_LO(x)		((u_int64_t) (x) & 0xffffffff)
579 #define	STGE_ADDR_HI(x)		((u_int64_t) (x) >> 32)
580 
581 #define	STGE_RING_ALIGN		8
582 
583 struct stge_chain_data{
584 	bus_dma_tag_t		stge_parent_tag;
585 	bus_dma_tag_t		stge_tx_tag;
586 	struct stge_txdesc	stge_txdesc[STGE_TX_RING_CNT];
587 	struct stge_txdq	stge_txfreeq;
588 	struct stge_txdq	stge_txbusyq;
589 	bus_dma_tag_t		stge_rx_tag;
590 	struct stge_rxdesc	stge_rxdesc[STGE_RX_RING_CNT];
591 	bus_dma_tag_t		stge_tx_ring_tag;
592 	bus_dmamap_t		stge_tx_ring_map;
593 	bus_dma_tag_t		stge_rx_ring_tag;
594 	bus_dmamap_t		stge_rx_ring_map;
595 	bus_dmamap_t		stge_rx_sparemap;
596 
597 	int			stge_tx_prod;
598 	int			stge_tx_cons;
599 	int			stge_tx_cnt;
600 	int			stge_rx_cons;
601 #ifdef DEVICE_POLLING
602 	int			stge_rxcycles;
603 #endif
604 	int			stge_rxlen;
605 	struct mbuf		*stge_rxhead;
606 	struct mbuf		*stge_rxtail;
607 };
608 
609 struct stge_ring_data {
610 	struct stge_tfd		*stge_tx_ring;
611 	bus_addr_t		stge_tx_ring_paddr;
612 	struct stge_rfd		*stge_rx_ring;
613 	bus_addr_t		stge_rx_ring_paddr;
614 };
615 
616 #define STGE_TX_RING_ADDR(sc, i)	\
617     ((sc)->sc_rdata.stge_tx_ring_paddr + sizeof(struct stge_tfd) * (i))
618 #define STGE_RX_RING_ADDR(sc, i)	\
619     ((sc)->sc_rdata.stge_rx_ring_paddr + sizeof(struct stge_rfd) * (i))
620 
621 #define STGE_TX_RING_SZ		\
622     (sizeof(struct stge_tfd) * STGE_TX_RING_CNT)
623 #define STGE_RX_RING_SZ		\
624     (sizeof(struct stge_rfd) * STGE_RX_RING_CNT)
625 
626 /*
627  * Software state per device.
628  */
629 struct stge_softc {
630 	struct ifnet 		*sc_ifp;	/* interface info */
631 	device_t		sc_dev;
632 	device_t		sc_miibus;
633 	struct resource		*sc_res[2];
634 	struct resource_spec	*sc_spec;
635 	void			*sc_ih;		/* interrupt cookie */
636 	int			sc_rev;		/* silicon revision */
637 
638 	struct callout		sc_tick_ch;	/* tick callout */
639 
640 	struct stge_chain_data	sc_cdata;
641 	struct stge_ring_data	sc_rdata;
642 	int			sc_if_flags;
643 	int			sc_if_framesize;
644 	int			sc_txthresh;	/* Tx threshold */
645 	uint32_t		sc_usefiber:1;	/* if we're fiber */
646 	uint32_t		sc_stge1023:1;	/* are we a 1023 */
647 	uint32_t		sc_DMACtrl;	/* prototype DMACtrl reg. */
648 	uint32_t		sc_MACCtrl;	/* prototype MacCtrl reg. */
649 	uint16_t		sc_IntEnable;	/* prototype IntEnable reg. */
650 	uint16_t		sc_led;		/* LED conf. from EEPROM */
651 	uint8_t			sc_PhyCtrl;	/* prototype PhyCtrl reg. */
652 	int			sc_suspended;
653 	int			sc_detach;
654 
655 	int			sc_rxint_nframe;
656 	int			sc_rxint_dmawait;
657 	int			sc_nerr;
658 	int			sc_watchdog_timer;
659 	int			sc_link;
660 
661 	struct task		sc_link_task;
662 	struct mtx		sc_mii_mtx;	/* MII mutex */
663 	struct mtx		sc_mtx;
664 };
665 
666 #define STGE_LOCK(_sc)		mtx_lock(&(_sc)->sc_mtx)
667 #define STGE_UNLOCK(_sc)	mtx_unlock(&(_sc)->sc_mtx)
668 #define STGE_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
669 #define STGE_MII_LOCK(_sc)	mtx_lock(&(_sc)->sc_mii_mtx)
670 #define STGE_MII_UNLOCK(_sc)	mtx_unlock(&(_sc)->sc_mii_mtx)
671 
672 #define	STGE_MAXERR	5
673 
674 #define	STGE_RXCHAIN_RESET(_sc)						\
675 do {									\
676 	(_sc)->sc_cdata.stge_rxhead = NULL;				\
677 	(_sc)->sc_cdata.stge_rxtail = NULL;				\
678 	(_sc)->sc_cdata.stge_rxlen = 0;					\
679 } while (/*CONSTCOND*/0)
680 
681 #define STGE_TIMEOUT 1000
682 
683 #define	STGE_RESET_NONE	0x00
684 #define	STGE_RESET_TX	0x01
685 #define	STGE_RESET_RX	0x02
686 #define	STGE_RESET_FULL	0x04
687