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