xref: /freebsd/sys/dev/stge/if_stgereg.h (revision c697fb7f)
1 /*	$NetBSD: if_stgereg.h,v 1.3 2003/02/10 21:10:07 christos Exp $	*/
2 
3 /*-
4  * SPDX-License-Identifier: BSD-2-Clause-NetBSD
5  *
6  * Copyright (c) 2001 The NetBSD Foundation, Inc.
7  * All rights reserved.
8  *
9  * This code is derived from software contributed to The NetBSD Foundation
10  * by Jason R. Thorpe.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 /* $FreeBSD$ */
35 
36 /*
37  * Sundance Technology PCI vendor ID
38  */
39 #define	VENDOR_SUNDANCETI	0x13f0
40 
41 /*
42  * Tamarack Microelectronics PCI vendor ID
43  */
44 #define	VENDOR_TAMARACK		0x143d
45 
46 /*
47  * D-Link Systems PCI vendor ID
48  */
49 #define	VENDOR_DLINK		0x1186
50 
51 /*
52  * Antares Microsystems PCI vendor ID
53  */
54 #define	VENDOR_ANTARES		0x1754
55 
56 /*
57  * Sundance Technology device ID
58  */
59 #define	DEVICEID_SUNDANCETI_ST1023	0x1023
60 #define	DEVICEID_SUNDANCETI_ST2021	0x2021
61 #define	DEVICEID_TAMARACK_TC9021	0x1021
62 #define	DEVICEID_TAMARACK_TC9021_ALT	0x9021
63 
64 /*
65  * D-Link Systems device ID
66  */
67 #define	DEVICEID_DLINK_DL4000		0x4000
68 
69 /*
70  * Antares Microsystems device ID
71  */
72 #define	DEVICEID_ANTARES_TC9021		0x1021
73 
74 /*
75  * Register description for the Sundance Tech. TC9021 10/100/1000
76  * Ethernet controller.
77  *
78  * Note that while DMA addresses are all in 64-bit fields, only
79  * the lower 40 bits of a DMA address are valid.
80  */
81 #if (BUS_SPACE_MAXADDR < 0xFFFFFFFFFF)
82 #define	STGE_DMA_MAXADDR	BUS_SPACE_MAXADDR
83 #else
84 #define	STGE_DMA_MAXADDR	0xFFFFFFFFFF
85 #endif
86 
87 /*
88  * Register access macros
89  */
90 #define CSR_WRITE_4(_sc, reg, val)	\
91 	bus_write_4((_sc)->sc_res[0], (reg), (val))
92 #define CSR_WRITE_2(_sc, reg, val)	\
93 	bus_write_2((_sc)->sc_res[0], (reg), (val))
94 #define CSR_WRITE_1(_sc, reg, val)	\
95 	bus_write_1((_sc)->sc_res[0], (reg), (val))
96 
97 #define CSR_READ_4(_sc, reg)		\
98 	bus_read_4((_sc)->sc_res[0], (reg))
99 #define CSR_READ_2(_sc, reg)		\
100 	bus_read_2((_sc)->sc_res[0], (reg))
101 #define CSR_READ_1(_sc, reg)		\
102 	bus_read_1((_sc)->sc_res[0], (reg))
103 
104 #define	CSR_BARRIER(_sc, reg, length, flags)				\
105 	bus_barrier((_sc)->sc_res[0], reg, length, flags)
106 
107 /*
108  * TC9021 buffer fragment descriptor.
109  */
110 struct stge_frag {
111 	uint64_t	frag_word0;	/* address, length */
112 };
113 
114 #define	FRAG_ADDR(x)	(((uint64_t)(x)) << 0)
115 #define	FRAG_ADDR_MASK	FRAG_ADDR(0xfffffffffULL)
116 #define	FRAG_LEN(x)	(((uint64_t)(x)) << 48)
117 #define	FRAG_LEN_MASK	FRAG_LEN(0xffffULL)
118 
119 /*
120  * TC9021 Transmit Frame Descriptor.  Note the number of fragments
121  * here is arbitrary, but we can't have any more than 15.
122  */
123 #define	STGE_NTXFRAGS	15
124 struct stge_tfd {
125 	uint64_t	tfd_next;	/* next TFD in list */
126 	uint64_t	tfd_control;	/* control bits */
127 					/* the buffer fragments */
128 	struct stge_frag tfd_frags[STGE_NTXFRAGS];
129 };
130 
131 #define	TFD_FrameId(x)		((x) << 0)
132 #define	TFD_FrameId_MAX		0xffff
133 #define	TFD_WordAlign(x)	((x) << 16)
134 #define	TFD_WordAlign_dword	0		/* align to dword in TxFIFO */
135 #define	TFD_WordAlign_word	2		/* align to word in TxFIFO */
136 #define	TFD_WordAlign_disable	1		/* disable alignment */
137 #define	TFD_TCPChecksumEnable	(1ULL << 18)
138 #define	TFD_UDPChecksumEnable	(1ULL << 19)
139 #define	TFD_IPChecksumEnable	(1ULL << 20)
140 #define	TFD_FcsAppendDisable	(1ULL << 21)
141 #define	TFD_TxIndicate		(1ULL << 22)
142 #define	TFD_TxDMAIndicate	(1ULL << 23)
143 #define	TFD_FragCount(x)	((x) << 24)
144 #define	TFD_VLANTagInsert	(1ULL << 28)
145 #define	TFD_TFDDone		(1ULL << 31)
146 #define	TFD_VID(x)		(((uint64_t)(x)) << 32)
147 #define	TFD_CFI			(1ULL << 44)
148 #define	TFD_UserPriority(x)	(((uint64_t)(x)) << 45)
149 
150 /*
151  * TC9021 Receive Frame Descriptor.  Each RFD has a single fragment
152  * in it, and the chip tells us the beginning and end of the frame.
153  */
154 struct stge_rfd {
155 	uint64_t	rfd_next;	/* next RFD in list */
156 	uint64_t	rfd_status;	/* status bits */
157 	struct stge_frag rfd_frag;	/* the buffer */
158 };
159 
160 /* Low word of rfd_status */
161 #define RFD_RxStatus(x)		((x) & 0xffffffff)
162 #define	RFD_RxDMAFrameLen(x)	((x) & 0xffff)
163 #define	RFD_RxFIFOOverrun	0x00010000
164 #define	RFD_RxRuntFrame		0x00020000
165 #define	RFD_RxAlignmentError	0x00040000
166 #define	RFD_RxFCSError		0x00080000
167 #define	RFD_RxOversizedFrame	0x00100000
168 #define	RFD_RxLengthError	0x00200000
169 #define	RFD_VLANDetected	0x00400000
170 #define	RFD_TCPDetected		0x00800000
171 #define	RFD_TCPError		0x01000000
172 #define	RFD_UDPDetected		0x02000000
173 #define	RFD_UDPError		0x04000000
174 #define	RFD_IPDetected		0x08000000
175 #define	RFD_IPError		0x10000000
176 #define	RFD_FrameStart		0x20000000
177 #define	RFD_FrameEnd		0x40000000
178 #define	RFD_RFDDone		0x80000000
179 /* High word of rfd_status */
180 #define	RFD_TCI(x)		((((uint64_t)(x)) >> 32) & 0xffff)
181 
182 /*
183  * EEPROM offsets.
184  */
185 #define	STGE_EEPROM_ConfigParam		0x00
186 #define	STGE_EEPROM_AsicCtrl		0x01
187 #define	STGE_EEPROM_SubSystemVendorId	0x02
188 #define	STGE_EEPROM_SubSystemId		0x03
189 #define	STGE_EEPROM_LEDMode		0x06
190 #define	STGE_EEPROM_StationAddress0	0x10
191 #define	STGE_EEPROM_StationAddress1	0x11
192 #define	STGE_EEPROM_StationAddress2	0x12
193 
194 /*
195  * The TC9021 register space.
196  */
197 
198 #define	STGE_DMACtrl			0x00
199 #define	DMAC_RxDMAComplete		(1U << 3)
200 #define	DMAC_RxDMAPollNow		(1U << 4)
201 #define	DMAC_TxDMAComplete		(1U << 11)
202 #define	DMAC_TxDMAPollNow		(1U << 12)
203 #define	DMAC_TxDMAInProg		(1U << 15)
204 #define	DMAC_RxEarlyDisable		(1U << 16)
205 #define	DMAC_MWIDisable			(1U << 18)
206 #define	DMAC_TxWriteBackDisable		(1U << 19)
207 #define	DMAC_TxBurstLimit(x)		((x) << 20)
208 #define	DMAC_TargetAbort		(1U << 30)
209 #define	DMAC_MasterAbort		(1U << 31)
210 
211 #define	STGE_RxDMAStatus		0x08
212 
213 #define	STGE_TFDListPtrLo		0x10
214 
215 #define	STGE_TFDListPtrHi		0x14
216 
217 #define	STGE_TxDMABurstThresh		0x18	/* 8-bit */
218 
219 #define	STGE_TxDMAUrgentThresh		0x19	/* 8-bit */
220 
221 #define	STGE_TxDMAPollPeriod		0x1a	/* 8-bit, 320ns increments */
222 
223 #define	STGE_RFDListPtrLo		0x1c
224 
225 #define	STGE_RFDListPtrHi		0x20
226 
227 #define	STGE_RxDMABurstThresh		0x24	/* 8-bit */
228 
229 #define	STGE_RxDMAUrgentThresh		0x25	/* 8-bit */
230 
231 #define	STGE_RxDMAPollPeriod		0x26	/* 8-bit, 320ns increments */
232 
233 #define	STGE_RxDMAIntCtrl		0x28
234 #define	RDIC_RxFrameCount(x)		((x) & 0xff)
235 #define	RDIC_PriorityThresh(x)		((x) << 10)
236 #define	RDIC_RxDMAWaitTime(x)		((x) << 16)
237 /*
238  * Number of receive frames transferred via DMA before a Rx interrupt is issued.
239  */
240 #define	STGE_RXINT_NFRAME_DEFAULT	8
241 #define	STGE_RXINT_NFRAME_MIN		1
242 #define	STGE_RXINT_NFRAME_MAX		255
243 /*
244  * Maximum amount of time (in 64ns increments) to wait before issuing a Rx
245  * interrupt if number of frames recevied is less than STGE_RXINT_NFRAME
246  * (STGE_RXINT_NFRAME_MIN <= STGE_RXINT_NFRAME <= STGE_RXINT_NFRAME_MAX)
247  */
248 #define	STGE_RXINT_DMAWAIT_DEFAULT	30	/* 30us */
249 #define	STGE_RXINT_DMAWAIT_MIN		0
250 #define	STGE_RXINT_DMAWAIT_MAX		4194
251 #define	STGE_RXINT_USECS2TICK(x)	(((x) * 1000)/64)
252 
253 #define	STGE_DebugCtrl			0x2c	/* 16-bit */
254 #define	DC_GPIO0Ctrl			(1U << 0)
255 #define	DC_GPIO1Ctrl			(1U << 1)
256 #define	DC_GPIO0			(1U << 2)
257 #define	DC_GPIO1			(1U << 3)
258 
259 #define	STGE_AsicCtrl			0x30
260 #define	AC_ExpRomDisable		(1U << 0)
261 #define	AC_ExpRomSize			(1U << 1)
262 #define	AC_PhySpeed10			(1U << 4)
263 #define	AC_PhySpeed100			(1U << 5)
264 #define	AC_PhySpeed1000			(1U << 6)
265 #define	AC_PhyMedia			(1U << 7)
266 #define	AC_ForcedConfig(x)		((x) << 8)
267 #define	AC_ForcedConfig_MASK		AC_ForcedConfig(7)
268 #define	AC_D3ResetDisable		(1U << 11)
269 #define	AC_SpeedupMode			(1U << 13)
270 #define	AC_LEDMode			(1U << 14)
271 #define	AC_RstOutPolarity		(1U << 15)
272 #define	AC_GlobalReset			(1U << 16)
273 #define	AC_RxReset			(1U << 17)
274 #define	AC_TxReset			(1U << 18)
275 #define	AC_DMA				(1U << 19)
276 #define	AC_FIFO				(1U << 20)
277 #define	AC_Network			(1U << 21)
278 #define	AC_Host				(1U << 22)
279 #define	AC_AutoInit			(1U << 23)
280 #define	AC_RstOut			(1U << 24)
281 #define	AC_InterruptRequest		(1U << 25)
282 #define	AC_ResetBusy			(1U << 26)
283 #define	AC_LEDSpeed			(1U << 27)
284 #define	AC_LEDModeBit1			(1U << 29)
285 
286 #define	STGE_FIFOCtrl			0x38	/* 16-bit */
287 #define	FC_RAMTestMode			(1U << 0)
288 #define	FC_Transmitting			(1U << 14)
289 #define	FC_Receiving			(1U << 15)
290 
291 #define	STGE_RxEarlyThresh		0x3a	/* 16-bit */
292 
293 #define	STGE_FlowOffThresh		0x3c	/* 16-bit */
294 
295 #define	STGE_FlowOnTresh		0x3e	/* 16-bit */
296 
297 #define	STGE_TxStartThresh		0x44	/* 16-bit */
298 
299 #define	STGE_EepromData			0x48	/* 16-bit */
300 
301 #define	STGE_EepromCtrl			0x4a	/* 16-bit */
302 #define	EC_EepromAddress(x)		((x) & 0xff)
303 #define	EC_EepromOpcode(x)		((x) << 8)
304 #define	EC_OP_WE			0
305 #define	EC_OP_WR			1
306 #define	EC_OP_RR			2
307 #define	EC_OP_ER			3
308 #define	EC_EepromBusy			(1U << 15)
309 
310 #define	STGE_ExpRomAddr			0x4c
311 
312 #define	STGE_ExpRomData			0x50	/* 8-bit */
313 
314 #define	STGE_WakeEvent			0x51	/* 8-bit */
315 #define	WE_WakePktEnable		(1U << 0)
316 #define	WE_MagicPktEnable		(1U << 1)
317 #define	WE_LinkEventEnable		(1U << 2)
318 #define	WE_WakePolarity			(1U << 3)
319 #define	WE_WakePktEvent			(1U << 4)
320 #define	WE_MagicPktEvent		(1U << 5)
321 #define	WE_LinkEvent			(1U << 6)
322 #define	WE_WakeOnLanEnable		(1U << 7)
323 
324 #define	STGE_Countdown			0x54
325 #define	CD_Count(x)			((x) & 0xffff)
326 #define	CD_CountdownSpeed		(1U << 24)
327 #define	CD_CountdownMode		(1U << 25)
328 #define	CD_CountdownIntEnabled		(1U << 26)
329 
330 #define	STGE_IntStatusAck		0x5a	/* 16-bit */
331 
332 #define	STGE_IntEnable			0x5c	/* 16-bit */
333 
334 #define	STGE_IntStatus			0x5e	/* 16-bit */
335 
336 #define	IS_InterruptStatus		(1U << 0)
337 #define	IS_HostError			(1U << 1)
338 #define	IS_TxComplete			(1U << 2)
339 #define	IS_MACControlFrame		(1U << 3)
340 #define	IS_RxComplete			(1U << 4)
341 #define	IS_RxEarly			(1U << 5)
342 #define	IS_InRequested			(1U << 6)
343 #define	IS_UpdateStats			(1U << 7)
344 #define	IS_LinkEvent			(1U << 8)
345 #define	IS_TxDMAComplete		(1U << 9)
346 #define	IS_RxDMAComplete		(1U << 10)
347 #define	IS_RFDListEnd			(1U << 11)
348 #define	IS_RxDMAPriority		(1U << 12)
349 
350 #define	STGE_TxStatus			0x60
351 #define	TS_TxError			(1U << 0)
352 #define	TS_LateCollision		(1U << 2)
353 #define	TS_MaxCollisions		(1U << 3)
354 #define	TS_TxUnderrun			(1U << 4)
355 #define	TS_TxIndicateReqd		(1U << 6)
356 #define	TS_TxComplete			(1U << 7)
357 #define	TS_TxFrameId_get(x)		((x) >> 16)
358 
359 #define	STGE_MACCtrl			0x6c
360 #define	MC_IFSSelect(x)			((x) & 3)
361 #define	MC_IFS96bit			0
362 #define	MC_IFS1024bit			1
363 #define	MC_IFS1792bit			2
364 #define	MC_IFS4352bit			3
365 
366 #define	MC_DuplexSelect			(1U << 5)
367 #define	MC_RcvLargeFrames		(1U << 6)
368 #define	MC_TxFlowControlEnable		(1U << 7)
369 #define	MC_RxFlowControlEnable		(1U << 8)
370 #define	MC_RcvFCS			(1U << 9)
371 #define	MC_FIFOLoopback			(1U << 10)
372 #define	MC_MACLoopback			(1U << 11)
373 #define	MC_AutoVLANtagging		(1U << 12)
374 #define	MC_AutoVLANuntagging		(1U << 13)
375 #define	MC_CollisionDetect		(1U << 16)
376 #define	MC_CarrierSense			(1U << 17)
377 #define	MC_StatisticsEnable		(1U << 21)
378 #define	MC_StatisticsDisable		(1U << 22)
379 #define	MC_StatisticsEnabled		(1U << 23)
380 #define	MC_TxEnable			(1U << 24)
381 #define	MC_TxDisable			(1U << 25)
382 #define	MC_TxEnabled			(1U << 26)
383 #define	MC_RxEnable			(1U << 27)
384 #define	MC_RxDisable			(1U << 28)
385 #define	MC_RxEnabled			(1U << 29)
386 #define	MC_Paused			(1U << 30)
387 #define	MC_MASK				0x7fe33fa3
388 
389 #define	STGE_VLANTag			0x70
390 
391 #define STGE_PhySet			0x75	/* 8-bit */
392 #define	PS_MemLenb9b			(1U << 0)
393 #define	PS_MemLen			(1U << 1)
394 #define	PS_NonCompdet			(1U << 2)
395 
396 #define	STGE_PhyCtrl			0x76	/* 8-bit */
397 #define	PC_MgmtClk			(1U << 0)
398 #define	PC_MgmtData			(1U << 1)
399 #define	PC_MgmtDir			(1U << 2)	/* MAC->PHY */
400 #define	PC_PhyDuplexPolarity		(1U << 3)
401 #define	PC_PhyDuplexStatus		(1U << 4)
402 #define	PC_PhyLnkPolarity		(1U << 5)
403 #define	PC_LinkSpeed(x)			(((x) >> 6) & 3)
404 #define	PC_LinkSpeed_Down		0
405 #define	PC_LinkSpeed_10			1
406 #define	PC_LinkSpeed_100		2
407 #define	PC_LinkSpeed_1000		3
408 
409 #define	STGE_StationAddress0		0x78	/* 16-bit */
410 
411 #define	STGE_StationAddress1		0x7a	/* 16-bit */
412 
413 #define	STGE_StationAddress2		0x7c	/* 16-bit */
414 
415 #define	STGE_VLANHashTable		0x7e	/* 16-bit */
416 
417 #define	STGE_VLANId			0x80
418 
419 #define	STGE_MaxFrameSize		0x86
420 
421 #define	STGE_ReceiveMode		0x88	/* 16-bit */
422 #define	RM_ReceiveUnicast		(1U << 0)
423 #define	RM_ReceiveMulticast		(1U << 1)
424 #define	RM_ReceiveBroadcast		(1U << 2)
425 #define	RM_ReceiveAllFrames		(1U << 3)
426 #define	RM_ReceiveMulticastHash		(1U << 4)
427 #define	RM_ReceiveIPMulticast		(1U << 5)
428 #define	RM_ReceiveVLANMatch		(1U << 8)
429 #define	RM_ReceiveVLANHash		(1U << 9)
430 
431 #define	STGE_HashTable0			0x8c
432 
433 #define	STGE_HashTable1			0x90
434 
435 #define	STGE_RMONStatisticsMask		0x98	/* set to disable */
436 
437 #define	STGE_StatisticsMask		0x9c	/* set to disable */
438 
439 #define	STGE_RxJumboFrames		0xbc	/* 16-bit */
440 
441 #define	STGE_TCPCheckSumErrors		0xc0	/* 16-bit */
442 
443 #define	STGE_IPCheckSumErrors		0xc2	/* 16-bit */
444 
445 #define	STGE_UDPCheckSumErrors		0xc4	/* 16-bit */
446 
447 #define	STGE_TxJumboFrames		0xf4	/* 16-bit */
448 
449 /*
450  * TC9021 statistics.  Available memory and I/O mapped.
451  */
452 
453 #define	STGE_OctetRcvOk			0xa8
454 
455 #define	STGE_McstOctetRcvdOk		0xac
456 
457 #define	STGE_BcstOctetRcvdOk		0xb0
458 
459 #define	STGE_FramesRcvdOk		0xb4
460 
461 #define	STGE_McstFramesRcvdOk		0xb8
462 
463 #define	STGE_BcstFramesRcvdOk		0xbe	/* 16-bit */
464 
465 #define	STGE_MacControlFramesRcvd	0xc6	/* 16-bit */
466 
467 #define	STGE_FrameTooLongErrors		0xc8	/* 16-bit */
468 
469 #define	STGE_InRangeLengthErrors	0xca	/* 16-bit */
470 
471 #define	STGE_FramesCheckSeqErrors	0xcc	/* 16-bit */
472 
473 #define	STGE_FramesLostRxErrors		0xce	/* 16-bit */
474 
475 #define	STGE_OctetXmtdOk		0xd0
476 
477 #define	STGE_McstOctetXmtdOk		0xd4
478 
479 #define	STGE_BcstOctetXmtdOk		0xd8
480 
481 #define	STGE_FramesXmtdOk		0xdc
482 
483 #define	STGE_McstFramesXmtdOk		0xe0
484 
485 #define	STGE_FramesWDeferredXmt		0xe4
486 
487 #define	STGE_LateCollisions		0xe8
488 
489 #define	STGE_MultiColFrames		0xec
490 
491 #define	STGE_SingleColFrames		0xf0
492 
493 #define	STGE_BcstFramesXmtdOk		0xf6	/* 16-bit */
494 
495 #define	STGE_CarrierSenseErrors		0xf8	/* 16-bit */
496 
497 #define	STGE_MacControlFramesXmtd	0xfa	/* 16-bit */
498 
499 #define	STGE_FramesAbortXSColls		0xfc	/* 16-bit */
500 
501 #define	STGE_FramesWEXDeferal		0xfe	/* 16-bit */
502 
503 /*
504  * RMON-compatible statistics.  Only accessible if memory-mapped.
505  */
506 
507 #define	STGE_EtherStatsCollisions			0x100
508 
509 #define	STGE_EtherStatsOctetsTransmit			0x104
510 
511 #define	STGE_EtherStatsPktsTransmit			0x108
512 
513 #define	STGE_EtherStatsPkts64OctetsTransmit		0x10c
514 
515 #define	STGE_EtherStatsPkts64to127OctetsTransmit	0x110
516 
517 #define	STGE_EtherStatsPkts128to255OctetsTransmit	0x114
518 
519 #define	STGE_EtherStatsPkts256to511OctetsTransmit	0x118
520 
521 #define	STGE_EtherStatsPkts512to1023OctetsTransmit	0x11c
522 
523 #define	STGE_EtherStatsPkts1024to1518OctetsTransmit	0x120
524 
525 #define	STGE_EtherStatsCRCAlignErrors			0x124
526 
527 #define	STGE_EtherStatsUndersizePkts			0x128
528 
529 #define	STGE_EtherStatsFragments			0x12c
530 
531 #define	STGE_EtherStatsJabbers				0x130
532 
533 #define	STGE_EtherStatsOctets				0x134
534 
535 #define	STGE_EtherStatsPkts				0x138
536 
537 #define	STGE_EtherStatsPkts64Octets			0x13c
538 
539 #define	STGE_EtherStatsPkts65to127Octets		0x140
540 
541 #define	STGE_EtherStatsPkts128to255Octets		0x144
542 
543 #define	STGE_EtherStatsPkts256to511Octets		0x148
544 
545 #define	STGE_EtherStatsPkts512to1023Octets		0x14c
546 
547 #define	STGE_EtherStatsPkts1024to1518Octets		0x150
548 
549 /*
550  * Transmit descriptor list size.
551  */
552 #define	STGE_TX_RING_CNT	256
553 #define	STGE_TX_LOWAT		(STGE_TX_RING_CNT/32)
554 #define	STGE_TX_HIWAT		(STGE_TX_RING_CNT - STGE_TX_LOWAT)
555 
556 /*
557  * Receive descriptor list size.
558  */
559 #define	STGE_RX_RING_CNT	256
560 
561 #define	STGE_MAXTXSEGS		STGE_NTXFRAGS
562 
563 #define STGE_JUMBO_FRAMELEN	9022
564 #define STGE_JUMBO_MTU	\
565 	(STGE_JUMBO_FRAMELEN - ETHER_HDR_LEN - ETHER_CRC_LEN)
566 
567 struct stge_txdesc {
568 	struct mbuf *tx_m;		/* head of our mbuf chain */
569 	bus_dmamap_t tx_dmamap;		/* our DMA map */
570 	STAILQ_ENTRY(stge_txdesc) tx_q;
571 };
572 
573 STAILQ_HEAD(stge_txdq, stge_txdesc);
574 
575 struct stge_rxdesc {
576 	struct mbuf *rx_m;
577 	bus_dmamap_t rx_dmamap;
578 };
579 
580 #define	STGE_ADDR_LO(x)		((u_int64_t) (x) & 0xffffffff)
581 #define	STGE_ADDR_HI(x)		((u_int64_t) (x) >> 32)
582 
583 #define	STGE_RING_ALIGN		8
584 
585 struct stge_chain_data{
586 	bus_dma_tag_t		stge_parent_tag;
587 	bus_dma_tag_t		stge_tx_tag;
588 	struct stge_txdesc	stge_txdesc[STGE_TX_RING_CNT];
589 	struct stge_txdq	stge_txfreeq;
590 	struct stge_txdq	stge_txbusyq;
591 	bus_dma_tag_t		stge_rx_tag;
592 	struct stge_rxdesc	stge_rxdesc[STGE_RX_RING_CNT];
593 	bus_dma_tag_t		stge_tx_ring_tag;
594 	bus_dmamap_t		stge_tx_ring_map;
595 	bus_dma_tag_t		stge_rx_ring_tag;
596 	bus_dmamap_t		stge_rx_ring_map;
597 	bus_dmamap_t		stge_rx_sparemap;
598 
599 	int			stge_tx_prod;
600 	int			stge_tx_cons;
601 	int			stge_tx_cnt;
602 	int			stge_rx_cons;
603 #ifdef DEVICE_POLLING
604 	int			stge_rxcycles;
605 #endif
606 	int			stge_rxlen;
607 	struct mbuf		*stge_rxhead;
608 	struct mbuf		*stge_rxtail;
609 };
610 
611 struct stge_ring_data {
612 	struct stge_tfd		*stge_tx_ring;
613 	bus_addr_t		stge_tx_ring_paddr;
614 	struct stge_rfd		*stge_rx_ring;
615 	bus_addr_t		stge_rx_ring_paddr;
616 };
617 
618 #define STGE_TX_RING_ADDR(sc, i)	\
619     ((sc)->sc_rdata.stge_tx_ring_paddr + sizeof(struct stge_tfd) * (i))
620 #define STGE_RX_RING_ADDR(sc, i)	\
621     ((sc)->sc_rdata.stge_rx_ring_paddr + sizeof(struct stge_rfd) * (i))
622 
623 #define STGE_TX_RING_SZ		\
624     (sizeof(struct stge_tfd) * STGE_TX_RING_CNT)
625 #define STGE_RX_RING_SZ		\
626     (sizeof(struct stge_rfd) * STGE_RX_RING_CNT)
627 
628 /*
629  * Software state per device.
630  */
631 struct stge_softc {
632 	struct ifnet 		*sc_ifp;	/* interface info */
633 	device_t		sc_dev;
634 	device_t		sc_miibus;
635 	struct resource		*sc_res[2];
636 	struct resource_spec	*sc_spec;
637 	void			*sc_ih;		/* interrupt cookie */
638 	int			sc_rev;		/* silicon revision */
639 
640 	struct callout		sc_tick_ch;	/* tick callout */
641 
642 	struct stge_chain_data	sc_cdata;
643 	struct stge_ring_data	sc_rdata;
644 	int			sc_if_flags;
645 	int			sc_if_framesize;
646 	int			sc_txthresh;	/* Tx threshold */
647 	uint32_t		sc_usefiber:1;	/* if we're fiber */
648 	uint32_t		sc_stge1023:1;	/* are we a 1023 */
649 	uint32_t		sc_DMACtrl;	/* prototype DMACtrl reg. */
650 	uint32_t		sc_MACCtrl;	/* prototype MacCtrl reg. */
651 	uint16_t		sc_IntEnable;	/* prototype IntEnable reg. */
652 	uint16_t		sc_led;		/* LED conf. from EEPROM */
653 	uint8_t			sc_PhyCtrl;	/* prototype PhyCtrl reg. */
654 	int			sc_suspended;
655 	int			sc_detach;
656 
657 	int			sc_rxint_nframe;
658 	int			sc_rxint_dmawait;
659 	int			sc_nerr;
660 	int			sc_watchdog_timer;
661 	int			sc_link;
662 
663 	struct task		sc_link_task;
664 	struct mtx		sc_mii_mtx;	/* MII mutex */
665 	struct mtx		sc_mtx;
666 };
667 
668 #define STGE_LOCK(_sc)		mtx_lock(&(_sc)->sc_mtx)
669 #define STGE_UNLOCK(_sc)	mtx_unlock(&(_sc)->sc_mtx)
670 #define STGE_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
671 #define STGE_MII_LOCK(_sc)	mtx_lock(&(_sc)->sc_mii_mtx)
672 #define STGE_MII_UNLOCK(_sc)	mtx_unlock(&(_sc)->sc_mii_mtx)
673 
674 #define	STGE_MAXERR	5
675 
676 #define	STGE_RXCHAIN_RESET(_sc)						\
677 do {									\
678 	(_sc)->sc_cdata.stge_rxhead = NULL;				\
679 	(_sc)->sc_cdata.stge_rxtail = NULL;				\
680 	(_sc)->sc_cdata.stge_rxlen = 0;					\
681 } while (/*CONSTCOND*/0)
682 
683 #define STGE_TIMEOUT 1000
684 
685 #define	STGE_RESET_NONE	0x00
686 #define	STGE_RESET_TX	0x01
687 #define	STGE_RESET_RX	0x02
688 #define	STGE_RESET_FULL	0x04
689