1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _RRUNNER_H_
3 #define _RRUNNER_H_
4
5 #include <linux/interrupt.h>
6
7 #if ((BITS_PER_LONG != 32) && (BITS_PER_LONG != 64))
8 #error "BITS_PER_LONG not defined or not valid"
9 #endif
10
11
12 struct rr_regs {
13
14 u32 pad0[16];
15
16 u32 HostCtrl;
17 u32 LocalCtrl;
18 u32 Pc;
19 u32 BrkPt;
20
21 /* Timer increments every 0.97 micro-seconds (unsigned int) */
22 u32 Timer_Hi;
23 u32 Timer;
24 u32 TimerRef;
25 u32 PciState;
26
27 u32 Event;
28 u32 MbEvent;
29
30 u32 WinBase;
31 u32 WinData;
32 u32 RX_state;
33 u32 TX_state;
34
35 u32 Overhead;
36 u32 ExtIo;
37
38 u32 DmaWriteHostHi;
39 u32 DmaWriteHostLo;
40
41 u32 pad1[2];
42
43 u32 DmaReadHostHi;
44 u32 DmaReadHostLo;
45
46 u32 pad2;
47
48 u32 DmaReadLen;
49 u32 DmaWriteState;
50
51 u32 DmaWriteLcl;
52 u32 DmaWriteIPchecksum;
53 u32 DmaWriteLen;
54 u32 DmaReadState;
55 u32 DmaReadLcl;
56 u32 DmaReadIPchecksum;
57 u32 pad3;
58
59 u32 RxBase;
60 u32 RxPrd;
61 u32 RxCon;
62
63 u32 pad4;
64
65 u32 TxBase;
66 u32 TxPrd;
67 u32 TxCon;
68
69 u32 pad5;
70
71 u32 RxIndPro;
72 u32 RxIndCon;
73 u32 RxIndRef;
74
75 u32 pad6;
76
77 u32 TxIndPro;
78 u32 TxIndCon;
79 u32 TxIndRef;
80
81 u32 pad7[17];
82
83 u32 DrCmndPro;
84 u32 DrCmndCon;
85 u32 DrCmndRef;
86
87 u32 pad8;
88
89 u32 DwCmndPro;
90 u32 DwCmndCon;
91 u32 DwCmndRef;
92
93 u32 AssistState;
94
95 u32 DrDataPro;
96 u32 DrDataCon;
97 u32 DrDataRef;
98
99 u32 pad9;
100
101 u32 DwDataPro;
102 u32 DwDataCon;
103 u32 DwDataRef;
104
105 u32 pad10[33];
106
107 u32 EvtCon;
108
109 u32 pad11[5];
110
111 u32 TxPi;
112 u32 IpRxPi;
113
114 u32 pad11a[8];
115
116 u32 CmdRing[16];
117
118 /* The ULA is in two registers the high order two bytes of the first
119 * word contain the RunCode features.
120 * ula0 res res byte0 byte1
121 * ula1 byte2 byte3 byte4 byte5
122 */
123 u32 Ula0;
124 u32 Ula1;
125
126 u32 RxRingHi;
127 u32 RxRingLo;
128
129 u32 InfoPtrHi;
130 u32 InfoPtrLo;
131
132 u32 Mode;
133
134 u32 ConRetry;
135 u32 ConRetryTmr;
136
137 u32 ConTmout;
138 u32 CtatTmr;
139
140 u32 MaxRxRng;
141
142 u32 IntrTmr;
143 u32 TxDataMvTimeout;
144 u32 RxDataMvTimeout;
145
146 u32 EvtPrd;
147 u32 TraceIdx;
148
149 u32 Fail1;
150 u32 Fail2;
151
152 u32 DrvPrm;
153
154 u32 FilterLA;
155
156 u32 FwRev;
157 u32 FwRes1;
158 u32 FwRes2;
159 u32 FwRes3;
160
161 u32 WriteDmaThresh;
162 u32 ReadDmaThresh;
163
164 u32 pad12[325];
165 u32 Window[512];
166 };
167
168 /*
169 * Host control register bits.
170 */
171
172 #define RR_INT 0x01
173 #define RR_CLEAR_INT 0x02
174 #define NO_SWAP 0x04000004
175 #define NO_SWAP1 0x00000004
176 #define PCI_RESET_NIC 0x08
177 #define HALT_NIC 0x10
178 #define SSTEP_NIC 0x20
179 #define MEM_READ_MULTI 0x40
180 #define NIC_HALTED 0x100
181 #define HALT_INST 0x200
182 #define PARITY_ERR 0x400
183 #define INVALID_INST_B 0x800
184 #define RR_REV_2 0x20000000
185 #define RR_REV_MASK 0xf0000000
186
187 /*
188 * Local control register bits.
189 */
190
191 #define INTA_STATE 0x01
192 #define CLEAR_INTA 0x02
193 #define FAST_EEPROM_ACCESS 0x08
194 #define ENABLE_EXTRA_SRAM 0x100
195 #define ENABLE_EXTRA_DESC 0x200
196 #define ENABLE_PARITY 0x400
197 #define FORCE_DMA_PARITY_ERROR 0x800
198 #define ENABLE_EEPROM_WRITE 0x1000
199 #define ENABLE_DATA_CACHE 0x2000
200 #define SRAM_LO_PARITY_ERR 0x4000
201 #define SRAM_HI_PARITY_ERR 0x8000
202
203 /*
204 * PCI state bits.
205 */
206
207 #define FORCE_PCI_RESET 0x01
208 #define PROVIDE_LENGTH 0x02
209 #define MASK_DMA_READ_MAX 0x1C
210 #define RBURST_DISABLE 0x00
211 #define RBURST_4 0x04
212 #define RBURST_16 0x08
213 #define RBURST_32 0x0C
214 #define RBURST_64 0x10
215 #define RBURST_128 0x14
216 #define RBURST_256 0x18
217 #define RBURST_1024 0x1C
218 #define MASK_DMA_WRITE_MAX 0xE0
219 #define WBURST_DISABLE 0x00
220 #define WBURST_4 0x20
221 #define WBURST_16 0x40
222 #define WBURST_32 0x60
223 #define WBURST_64 0x80
224 #define WBURST_128 0xa0
225 #define WBURST_256 0xc0
226 #define WBURST_1024 0xe0
227 #define MASK_MIN_DMA 0xFF00
228 #define FIFO_RETRY_ENABLE 0x10000
229
230 /*
231 * Event register
232 */
233
234 #define DMA_WRITE_DONE 0x10000
235 #define DMA_READ_DONE 0x20000
236 #define DMA_WRITE_ERR 0x40000
237 #define DMA_READ_ERR 0x80000
238
239 /*
240 * Receive state
241 *
242 * RoadRunner HIPPI Receive State Register controls and monitors the
243 * HIPPI receive interface in the NIC. Look at err bits when a HIPPI
244 * receive Error Event occurs.
245 */
246
247 #define ENABLE_NEW_CON 0x01
248 #define RESET_RECV 0x02
249 #define RECV_ALL 0x00
250 #define RECV_1K 0x20
251 #define RECV_2K 0x40
252 #define RECV_4K 0x60
253 #define RECV_8K 0x80
254 #define RECV_16K 0xa0
255 #define RECV_32K 0xc0
256 #define RECV_64K 0xe0
257
258 /*
259 * Transmit status.
260 */
261
262 #define ENA_XMIT 0x01
263 #define PERM_CON 0x02
264
265 /*
266 * DMA write state
267 */
268
269 #define RESET_DMA 0x01
270 #define NO_SWAP_DMA 0x02
271 #define DMA_ACTIVE 0x04
272 #define THRESH_MASK 0x1F
273 #define DMA_ERROR_MASK 0xff000000
274
275 /*
276 * Gooddies stored in the ULA registers.
277 */
278
279 #define TRACE_ON_WHAT_BIT 0x00020000 /* Traces on */
280 #define ONEM_BUF_WHAT_BIT 0x00040000 /* 1Meg vs 256K */
281 #define CHAR_API_WHAT_BIT 0x00080000 /* Char API vs network only */
282 #define CMD_EVT_WHAT_BIT 0x00200000 /* Command event */
283 #define LONG_TX_WHAT_BIT 0x00400000
284 #define LONG_RX_WHAT_BIT 0x00800000
285 #define WHAT_BIT_MASK 0xFFFD0000 /* Feature bit mask */
286
287 /*
288 * Mode status
289 */
290
291 #define EVENT_OVFL 0x80000000
292 #define FATAL_ERR 0x40000000
293 #define LOOP_BACK 0x01
294 #define MODE_PH 0x02
295 #define MODE_FP 0x00
296 #define PTR64BIT 0x04
297 #define PTR32BIT 0x00
298 #define PTR_WD_SWAP 0x08
299 #define PTR_WD_NOSWAP 0x00
300 #define POST_WARN_EVENT 0x10
301 #define ERR_TERM 0x20
302 #define DIRECT_CONN 0x40
303 #define NO_NIC_WATCHDOG 0x80
304 #define SWAP_DATA 0x100
305 #define SWAP_CONTROL 0x200
306 #define NIC_HALT_ON_ERR 0x400
307 #define NIC_NO_RESTART 0x800
308 #define HALF_DUP_TX 0x1000
309 #define HALF_DUP_RX 0x2000
310
311
312 /*
313 * Error codes
314 */
315
316 /* Host Error Codes - values of fail1 */
317 #define ERR_UNKNOWN_MBOX 0x1001
318 #define ERR_UNKNOWN_CMD 0x1002
319 #define ERR_MAX_RING 0x1003
320 #define ERR_RING_CLOSED 0x1004
321 #define ERR_RING_OPEN 0x1005
322 /* Firmware internal errors */
323 #define ERR_EVENT_RING_FULL 0x01
324 #define ERR_DW_PEND_CMND_FULL 0x02
325 #define ERR_DR_PEND_CMND_FULL 0x03
326 #define ERR_DW_PEND_DATA_FULL 0x04
327 #define ERR_DR_PEND_DATA_FULL 0x05
328 #define ERR_ILLEGAL_JUMP 0x06
329 #define ERR_UNIMPLEMENTED 0x07
330 #define ERR_TX_INFO_FULL 0x08
331 #define ERR_RX_INFO_FULL 0x09
332 #define ERR_ILLEGAL_MODE 0x0A
333 #define ERR_MAIN_TIMEOUT 0x0B
334 #define ERR_EVENT_BITS 0x0C
335 #define ERR_UNPEND_FULL 0x0D
336 #define ERR_TIMER_QUEUE_FULL 0x0E
337 #define ERR_TIMER_QUEUE_EMPTY 0x0F
338 #define ERR_TIMER_NO_FREE 0x10
339 #define ERR_INTR_START 0x11
340 #define ERR_BAD_STARTUP 0x12
341 #define ERR_NO_PKT_END 0x13
342 #define ERR_HALTED_ON_ERR 0x14
343 /* Hardware NIC Errors */
344 #define ERR_WRITE_DMA 0x0101
345 #define ERR_READ_DMA 0x0102
346 #define ERR_EXT_SERIAL 0x0103
347 #define ERR_TX_INT_PARITY 0x0104
348
349
350 /*
351 * Event definitions
352 */
353
354 #define EVT_RING_ENTRIES 64
355 #define EVT_RING_SIZE (EVT_RING_ENTRIES * sizeof(struct event))
356
357 struct event {
358 #ifdef __LITTLE_ENDIAN
359 u16 index;
360 u8 ring;
361 u8 code;
362 #else
363 u8 code;
364 u8 ring;
365 u16 index;
366 #endif
367 u32 timestamp;
368 };
369
370 /*
371 * General Events
372 */
373
374 #define E_NIC_UP 0x01
375 #define E_WATCHDOG 0x02
376
377 #define E_STAT_UPD 0x04
378 #define E_INVAL_CMD 0x05
379 #define E_SET_CMD_CONS 0x06
380 #define E_LINK_ON 0x07
381 #define E_LINK_OFF 0x08
382 #define E_INTERN_ERR 0x09
383 #define E_HOST_ERR 0x0A
384 #define E_STATS_UPDATE 0x0B
385 #define E_REJECTING 0x0C
386
387 /*
388 * Send Events
389 */
390 #define E_CON_REJ 0x13
391 #define E_CON_TMOUT 0x14
392 #define E_CON_NC_TMOUT 0x15 /* I , Connection No Campon Timeout */
393 #define E_DISC_ERR 0x16
394 #define E_INT_PRTY 0x17
395 #define E_TX_IDLE 0x18
396 #define E_TX_LINK_DROP 0x19
397 #define E_TX_INV_RNG 0x1A
398 #define E_TX_INV_BUF 0x1B
399 #define E_TX_INV_DSC 0x1C
400
401 /*
402 * Destination Events
403 */
404 /*
405 * General Receive events
406 */
407 #define E_VAL_RNG 0x20
408 #define E_RX_RNG_ENER 0x21
409 #define E_INV_RNG 0x22
410 #define E_RX_RNG_SPC 0x23
411 #define E_RX_RNG_OUT 0x24
412 #define E_PKT_DISCARD 0x25
413 #define E_INFO_EVT 0x27
414
415 /*
416 * Data corrupted events
417 */
418 #define E_RX_PAR_ERR 0x2B
419 #define E_RX_LLRC_ERR 0x2C
420 #define E_IP_CKSM_ERR 0x2D
421 #define E_DTA_CKSM_ERR 0x2E
422 #define E_SHT_BST 0x2F
423
424 /*
425 * Data lost events
426 */
427 #define E_LST_LNK_ERR 0x30
428 #define E_FLG_SYN_ERR 0x31
429 #define E_FRM_ERR 0x32
430 #define E_RX_IDLE 0x33
431 #define E_PKT_LN_ERR 0x34
432 #define E_STATE_ERR 0x35
433 #define E_UNEXP_DATA 0x3C
434
435 /*
436 * Fatal events
437 */
438 #define E_RX_INV_BUF 0x36
439 #define E_RX_INV_DSC 0x37
440 #define E_RNG_BLK 0x38
441
442 /*
443 * Warning events
444 */
445 #define E_RX_TO 0x39
446 #define E_BFR_SPC 0x3A
447 #define E_INV_ULP 0x3B
448
449 #define E_NOT_IMPLEMENTED 0x40
450
451
452 /*
453 * Commands
454 */
455
456 #define CMD_RING_ENTRIES 16
457
458 struct cmd {
459 #ifdef __LITTLE_ENDIAN
460 u16 index;
461 u8 ring;
462 u8 code;
463 #else
464 u8 code;
465 u8 ring;
466 u16 index;
467 #endif
468 };
469
470 #define C_START_FW 0x01
471 #define C_UPD_STAT 0x02
472 #define C_WATCHDOG 0x05
473 #define C_DEL_RNG 0x09
474 #define C_NEW_RNG 0x0A
475 #define C_CONN 0x0D
476
477
478 /*
479 * Mode bits
480 */
481
482 #define PACKET_BAD 0x01 /* Packet had link-layer error */
483 #define INTERRUPT 0x02
484 #define TX_IP_CKSUM 0x04
485 #define PACKET_END 0x08
486 #define PACKET_START 0x10
487 #define SAME_IFIELD 0x80
488
489
490 typedef struct {
491 #if (BITS_PER_LONG == 64)
492 u64 addrlo;
493 #else
494 u32 addrhi;
495 u32 addrlo;
496 #endif
497 } rraddr;
498
499
set_rraddr(rraddr * ra,dma_addr_t addr)500 static inline void set_rraddr(rraddr *ra, dma_addr_t addr)
501 {
502 unsigned long baddr = addr;
503 #if (BITS_PER_LONG == 64)
504 ra->addrlo = baddr;
505 #else
506 /* Don't bother setting zero every time */
507 ra->addrlo = baddr;
508 #endif
509 mb();
510 }
511
512
set_rxaddr(struct rr_regs __iomem * regs,volatile dma_addr_t addr)513 static inline void set_rxaddr(struct rr_regs __iomem *regs, volatile dma_addr_t addr)
514 {
515 unsigned long baddr = addr;
516 #if (BITS_PER_LONG == 64) && defined(__LITTLE_ENDIAN)
517 writel(baddr & 0xffffffff, ®s->RxRingHi);
518 writel(baddr >> 32, ®s->RxRingLo);
519 #elif (BITS_PER_LONG == 64)
520 writel(baddr >> 32, ®s->RxRingHi);
521 writel(baddr & 0xffffffff, ®s->RxRingLo);
522 #else
523 writel(0, ®s->RxRingHi);
524 writel(baddr, ®s->RxRingLo);
525 #endif
526 mb();
527 }
528
529
set_infoaddr(struct rr_regs __iomem * regs,volatile dma_addr_t addr)530 static inline void set_infoaddr(struct rr_regs __iomem *regs, volatile dma_addr_t addr)
531 {
532 unsigned long baddr = addr;
533 #if (BITS_PER_LONG == 64) && defined(__LITTLE_ENDIAN)
534 writel(baddr & 0xffffffff, ®s->InfoPtrHi);
535 writel(baddr >> 32, ®s->InfoPtrLo);
536 #elif (BITS_PER_LONG == 64)
537 writel(baddr >> 32, ®s->InfoPtrHi);
538 writel(baddr & 0xffffffff, ®s->InfoPtrLo);
539 #else
540 writel(0, ®s->InfoPtrHi);
541 writel(baddr, ®s->InfoPtrLo);
542 #endif
543 mb();
544 }
545
546
547 /*
548 * TX ring
549 */
550
551 #ifdef CONFIG_ROADRUNNER_LARGE_RINGS
552 #define TX_RING_ENTRIES 32
553 #else
554 #define TX_RING_ENTRIES 16
555 #endif
556 #define TX_TOTAL_SIZE (TX_RING_ENTRIES * sizeof(struct tx_desc))
557
558 struct tx_desc{
559 rraddr addr;
560 u32 res;
561 #ifdef __LITTLE_ENDIAN
562 u16 size;
563 u8 pad;
564 u8 mode;
565 #else
566 u8 mode;
567 u8 pad;
568 u16 size;
569 #endif
570 };
571
572
573 #ifdef CONFIG_ROADRUNNER_LARGE_RINGS
574 #define RX_RING_ENTRIES 32
575 #else
576 #define RX_RING_ENTRIES 16
577 #endif
578 #define RX_TOTAL_SIZE (RX_RING_ENTRIES * sizeof(struct rx_desc))
579
580 struct rx_desc{
581 rraddr addr;
582 u32 res;
583 #ifdef __LITTLE_ENDIAN
584 u16 size;
585 u8 pad;
586 u8 mode;
587 #else
588 u8 mode;
589 u8 pad;
590 u16 size;
591 #endif
592 };
593
594
595 /*
596 * ioctl's
597 */
598
599 #define SIOCRRPFW SIOCDEVPRIVATE /* put firmware */
600 #define SIOCRRGFW SIOCDEVPRIVATE+1 /* get firmware */
601 #define SIOCRRID SIOCDEVPRIVATE+2 /* identify */
602
603
604 struct seg_hdr {
605 u32 seg_start;
606 u32 seg_len;
607 u32 seg_eestart;
608 };
609
610
611 #define EEPROM_BASE 0x80000000
612 #define EEPROM_WORDS 8192
613 #define EEPROM_BYTES (EEPROM_WORDS * sizeof(u32))
614
615 struct eeprom_boot {
616 u32 key1;
617 u32 key2;
618 u32 sram_size;
619 struct seg_hdr loader;
620 u32 init_chksum;
621 u32 reserved1;
622 };
623
624 struct eeprom_manf {
625 u32 HeaderFmt;
626 u32 Firmware;
627 u32 BoardRevision;
628 u32 RoadrunnerRev;
629 char OpticsPart[8];
630 u32 OpticsRev;
631 u32 pad1;
632 char SramPart[8];
633 u32 SramRev;
634 u32 pad2;
635 char EepromPart[8];
636 u32 EepromRev;
637 u32 EepromSize;
638 char PalPart[8];
639 u32 PalRev;
640 u32 pad3;
641 char PalCodeFile[12];
642 u32 PalCodeRev;
643 char BoardULA[8];
644 char SerialNo[8];
645 char MfgDate[8];
646 char MfgTime[8];
647 char ModifyDate[8];
648 u32 ModCount;
649 u32 pad4[13];
650 };
651
652
653 struct eeprom_phase_info {
654 char phase1File[12];
655 u32 phase1Rev;
656 char phase1Date[8];
657 char phase2File[12];
658 u32 phase2Rev;
659 char phase2Date[8];
660 u32 reserved7[4];
661 };
662
663 struct eeprom_rncd_info {
664 u32 FwStart;
665 u32 FwRev;
666 char FwDate[8];
667 u32 AddrRunCodeSegs;
668 u32 FileNames;
669 char File[13][8];
670 };
671
672
673 /* Phase 1 region (starts are word offset 0x80) */
674 struct phase1_hdr{
675 u32 jump;
676 u32 noop;
677 struct seg_hdr phase2Seg;
678 };
679
680 struct eeprom {
681 struct eeprom_boot boot;
682 u32 pad1[8];
683 struct eeprom_manf manf;
684 struct eeprom_phase_info phase_info;
685 struct eeprom_rncd_info rncd_info;
686 u32 pad2[15];
687 u32 hdr_checksum;
688 struct phase1_hdr phase1;
689 };
690
691
692 struct rr_stats {
693 u32 NicTimeStamp;
694 u32 RngCreated;
695 u32 RngDeleted;
696 u32 IntrGen;
697 u32 NEvtOvfl;
698 u32 InvCmd;
699 u32 DmaReadErrs;
700 u32 DmaWriteErrs;
701 u32 StatUpdtT;
702 u32 StatUpdtC;
703 u32 WatchDog;
704 u32 Trace;
705
706 /* Serial HIPPI */
707 u32 LnkRdyEst;
708 u32 GLinkErr;
709 u32 AltFlgErr;
710 u32 OvhdBit8Sync;
711 u32 RmtSerPrtyErr;
712 u32 RmtParPrtyErr;
713 u32 RmtLoopBk;
714 u32 pad1;
715
716 /* HIPPI tx */
717 u32 ConEst;
718 u32 ConRejS;
719 u32 ConRetry;
720 u32 ConTmOut;
721 u32 SndConDiscon;
722 u32 SndParErr;
723 u32 PktSnt;
724 u32 pad2[2];
725 u32 ShFBstSnt;
726 u64 BytSent;
727 u32 TxTimeout;
728 u32 pad3[3];
729
730 /* HIPPI rx */
731 u32 ConAcc;
732 u32 ConRejdiPrty;
733 u32 ConRejd64b;
734 u32 ConRejdBuf;
735 u32 RxConDiscon;
736 u32 RxConNoData;
737 u32 PktRx;
738 u32 pad4[2];
739 u32 ShFBstRx;
740 u64 BytRx;
741 u32 RxParErr;
742 u32 RxLLRCerr;
743 u32 RxBstSZerr;
744 u32 RxStateErr;
745 u32 RxRdyErr;
746 u32 RxInvULP;
747 u32 RxSpcBuf;
748 u32 RxSpcDesc;
749 u32 RxRngSpc;
750 u32 RxRngFull;
751 u32 RxPktLenErr;
752 u32 RxCksmErr;
753 u32 RxPktDrp;
754 u32 RngLowSpc;
755 u32 RngDataClose;
756 u32 RxTimeout;
757 u32 RxIdle;
758 };
759
760
761 /*
762 * This struct is shared with the NIC firmware.
763 */
764 struct ring_ctrl {
765 rraddr rngptr;
766 #ifdef __LITTLE_ENDIAN
767 u16 entries;
768 u8 pad;
769 u8 entry_size;
770 u16 pi;
771 u16 mode;
772 #else
773 u8 entry_size;
774 u8 pad;
775 u16 entries;
776 u16 mode;
777 u16 pi;
778 #endif
779 };
780
781 struct rr_info {
782 union {
783 struct rr_stats stats;
784 u32 stati[128];
785 } s;
786 struct ring_ctrl evt_ctrl;
787 struct ring_ctrl cmd_ctrl;
788 struct ring_ctrl tx_ctrl;
789 u8 pad[464];
790 u8 trace[3072];
791 };
792
793 /*
794 * The linux structure for the RoadRunner.
795 *
796 * RX/TX descriptors are put first to make sure they are properly
797 * aligned and do not cross cache-line boundaries.
798 */
799
800 struct rr_private
801 {
802 struct rx_desc *rx_ring;
803 struct tx_desc *tx_ring;
804 struct event *evt_ring;
805 dma_addr_t tx_ring_dma;
806 dma_addr_t rx_ring_dma;
807 dma_addr_t evt_ring_dma;
808 /* Alignment ok ? */
809 struct sk_buff *rx_skbuff[RX_RING_ENTRIES];
810 struct sk_buff *tx_skbuff[TX_RING_ENTRIES];
811 struct rr_regs __iomem *regs; /* Register base */
812 struct ring_ctrl *rx_ctrl; /* Receive ring control */
813 struct rr_info *info; /* Shared info page */
814 dma_addr_t rx_ctrl_dma;
815 dma_addr_t info_dma;
816 spinlock_t lock;
817 struct timer_list timer;
818 u32 cur_rx, cur_cmd, cur_evt;
819 u32 dirty_rx, dirty_tx;
820 u32 tx_full;
821 u32 fw_rev;
822 volatile short fw_running;
823 struct pci_dev *pci_dev;
824 };
825
826
827 /*
828 * Prototypes
829 */
830 static int rr_init(struct net_device *dev);
831 static int rr_init1(struct net_device *dev);
832 static irqreturn_t rr_interrupt(int irq, void *dev_id);
833
834 static int rr_open(struct net_device *dev);
835 static netdev_tx_t rr_start_xmit(struct sk_buff *skb,
836 struct net_device *dev);
837 static int rr_close(struct net_device *dev);
838 static int rr_siocdevprivate(struct net_device *dev, struct ifreq *rq,
839 void __user *data, int cmd);
840 static unsigned int rr_read_eeprom(struct rr_private *rrpriv,
841 unsigned long offset,
842 unsigned char *buf,
843 unsigned long length);
844 static u32 rr_read_eeprom_word(struct rr_private *rrpriv, size_t offset);
845 static int rr_load_firmware(struct net_device *dev);
846 static inline void rr_raz_tx(struct rr_private *, struct net_device *);
847 static inline void rr_raz_rx(struct rr_private *, struct net_device *);
848 #endif /* _RRUNNER_H_ */
849