aboutsummaryrefslogtreecommitdiff
path: root/drivers/staging/arlan/arlan.h
blob: fb3ad51a1caf2a01817c8a1531d98f468a912367 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
/*
 *  Copyright (C) 1997 Cullen Jennings
 *  Copyright (C) 1998 Elmer.Joandi@ut.ee, +37-255-13500	
 *  GNU General Public License applies
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/skbuff.h>
#include <linux/if_ether.h>	/* For the statistics structure. */
#include <linux/if_arp.h>	/* For ARPHRD_ETHER */
#include <linux/ptrace.h>
#include <linux/ioport.h>
#include <linux/in.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/timer.h>

#include <linux/init.h>
#include <linux/bitops.h>
#include <asm/system.h>
#include <asm/io.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>


//#define ARLAN_DEBUGGING 1

#define ARLAN_PROC_INTERFACE
#define MAX_ARLANS 4 /* not more than 4 ! */
#define ARLAN_PROC_SHM_DUMP /* shows all card registers, makes driver way larger */

#define ARLAN_MAX_MULTICAST_ADDRS 16
#define ARLAN_RCV_CLEAN 	0
#define ARLAN_RCV_PROMISC 1
#define ARLAN_RCV_CONTROL 2

#ifdef CONFIG_PROC_FS
extern int init_arlan_proc(void);
extern void cleanup_arlan_proc(void);
#else
#define init_arlan_proc()	({ 0; })
#define cleanup_arlan_proc()	do { } while (0)
#endif

extern struct net_device *arlan_device[MAX_ARLANS];
extern int	arlan_debug;
extern int	arlan_entry_debug;
extern int	arlan_exit_debug;
extern int	testMemory;
extern int     arlan_command(struct net_device * dev, int command);
 
#define SIDUNKNOWN -1
#define radioNodeIdUNKNOWN -1
#define irqUNKNOWN 0
#define debugUNKNOWN 0
#define testMemoryUNKNOWN 1
#define spreadingCodeUNKNOWN 0
#define channelNumberUNKNOWN 0
#define channelSetUNKNOWN 0
#define systemIdUNKNOWN -1
#define registrationModeUNKNOWN -1


#define IFDEBUG( L ) if ( (L) & arlan_debug ) 
#define ARLAN_FAKE_HDR_LEN 12 

#ifdef ARLAN_DEBUGGING
	#define DEBUG 1
	#define ARLAN_ENTRY_EXIT_DEBUGGING 1
	#define ARLAN_DEBUG(a,b) printk(KERN_DEBUG a, b)
#else
	#define ARLAN_DEBUG(a,b) 
#endif

#define ARLAN_SHMEM_SIZE	0x2000

struct arlan_shmem
{
      /* Header Signature */ 
      volatile	char textRegion[48];
      volatile	u_char resetFlag;
      volatile	u_char  diagnosticInfo;
      volatile	u_short diagnosticOffset;
      volatile	u_char _1[12];
      volatile	u_char lanCardNodeId[6];
      volatile	u_char broadcastAddress[6];
      volatile	u_char hardwareType;
      volatile	u_char majorHardwareVersion;
      volatile	u_char minorHardwareVersion;
      volatile	u_char radioModule;// shows EEPROM, can be overridden at 0x111
      volatile	u_char defaultChannelSet; // shows EEProm, can be overriiden at 0x10A
      volatile	u_char _2[47];
      
      /* Control/Status Block - 0x0080 */
      volatile	u_char interruptInProgress; /* not used by lancpu */
      volatile	u_char cntrlRegImage; /* not used by lancpu */
      volatile	u_char _3[13];
      volatile	u_char dumpByte;
      volatile	u_char commandByte; /* non-zero = active */
      volatile	u_char commandParameter[15];

      /* Receive Status - 0x00a0 */
      volatile	u_char rxStatus; /* 1- data, 2-control, 0xff - registr change */
      volatile	u_char rxFrmType;
      volatile	u_short rxOffset;
      volatile	u_short rxLength;
      volatile	u_char rxSrc[6];
      volatile	u_char rxBroadcastFlag;
      volatile	u_char rxQuality;
      volatile	u_char scrambled;
      volatile	u_char _4[1];
      
      /* Transmit Status - 0x00b0 */
      volatile	u_char txStatus;
      volatile	u_char txAckQuality;
      volatile	u_char numRetries;
      volatile	u_char _5[14];
      volatile	u_char registeredRouter[6];
      volatile	u_char backboneRouter[6];
      volatile	u_char registrationStatus;
      volatile	u_char configuredStatusFlag;
      volatile	u_char _6[1];
      volatile	u_char ultimateDestAddress[6];
      volatile	u_char immedDestAddress[6];
      volatile	u_char immedSrcAddress[6];
      volatile	u_short rxSequenceNumber;
      volatile	u_char assignedLocaltalkAddress;
      volatile	u_char _7[27];

      /* System Parameter Block */

      /* - Driver Parameters (Novell Specific) */

      volatile	u_short txTimeout;
      volatile	u_short transportTime;
      volatile	u_char _8[4];

      /* - Configuration Parameters */
      volatile	u_char irqLevel;
      volatile	u_char spreadingCode;
      volatile	u_char channelSet;
      volatile	u_char channelNumber;
      volatile	u_short radioNodeId;
      volatile	u_char _9[2];
      volatile	u_char scramblingDisable;
      volatile	u_char radioType;
      volatile	u_short routerId;
      volatile	u_char _10[9];
      volatile	u_char txAttenuation;
      volatile	u_char systemId[4]; 
      volatile	u_short globalChecksum;
      volatile	u_char _11[4];
      volatile	u_short maxDatagramSize;
      volatile	u_short maxFrameSize;
      volatile	u_char maxRetries;
      volatile	u_char receiveMode;
      volatile	u_char priority;
      volatile	u_char rootOrRepeater;
      volatile	u_char specifiedRouter[6];
      volatile	u_short fastPollPeriod;
      volatile	u_char pollDecay;
      volatile	u_char fastPollDelay[2];
      volatile	u_char arlThreshold;
      volatile	u_char arlDecay;
      volatile	u_char _12[1];
      volatile	u_short specRouterTimeout;
      volatile	u_char _13[5];

      /* Scrambled Area */
      volatile	u_char SID[4];
      volatile	u_char encryptionKey[12];
      volatile	u_char _14[2];
      volatile	u_char waitTime[2];
      volatile	u_char lParameter[2];
      volatile	u_char _15[3];
      volatile	u_short headerSize;
      volatile	u_short sectionChecksum;

      volatile	u_char registrationMode;
      volatile	u_char registrationFill;
      volatile	u_short pollPeriod;
      volatile	u_short refreshPeriod;
      volatile	u_char name[16];
      volatile	u_char NID[6];
      volatile	u_char localTalkAddress;
      volatile	u_char codeFormat;
      volatile	u_char numChannels;
      volatile	u_char channel1;
      volatile	u_char channel2;
      volatile	u_char channel3;
      volatile	u_char channel4;
      volatile	u_char SSCode[59];

      volatile	u_char _16[0xC0];
      volatile	u_short auxCmd;
      volatile	u_char  dumpPtr[4];
      volatile	u_char dumpVal;
      volatile	u_char _17[0x6A];
      volatile	u_char wireTest;
      volatile	u_char _18[14];

      /* Statistics Block - 0x0300 */
      volatile	u_char hostcpuLock;
      volatile	u_char lancpuLock;
      volatile	u_char resetTime[18];
      
      volatile	u_char numDatagramsTransmitted[4];
      volatile	u_char numReTransmissions[4];
      volatile	u_char numFramesDiscarded[4];
      volatile	u_char numDatagramsReceived[4];
      volatile	u_char numDuplicateReceivedFrames[4];
      volatile	u_char numDatagramsDiscarded[4];
      
      volatile	u_short maxNumReTransmitDatagram;
      volatile	u_short maxNumReTransmitFrames;
      volatile	u_short maxNumConsecutiveDuplicateFrames;
      /* misaligned here so we have to go to characters */
     
      volatile	u_char numBytesTransmitted[4];
      volatile	u_char numBytesReceived[4];
      volatile	u_char numCRCErrors[4];
      volatile	u_char numLengthErrors[4];
      volatile	u_char numAbortErrors[4];
      volatile	u_char numTXUnderruns[4];
      volatile	u_char numRXOverruns[4];
      volatile	u_char numHoldOffs[4];
      volatile	u_char numFramesTransmitted[4];
      volatile	u_char numFramesReceived[4];
      volatile	u_char numReceiveFramesLost[4];
      volatile	u_char numRXBufferOverflows[4];
      volatile	u_char numFramesDiscardedAddrMismatch[4];
      volatile	u_char numFramesDiscardedSIDMismatch[4];
      volatile	u_char numPollsTransmistted[4];
      volatile	u_char numPollAcknowledges[4];
      volatile	u_char numStatusTimeouts[4];
      volatile	u_char numNACKReceived[4];

      volatile	u_char _19[0x86];

      volatile	u_char txBuffer[0x800];
      volatile	u_char rxBuffer[0x800];

      volatile	u_char _20[0x800];
      volatile	u_char _21[0x3fb];
      volatile	u_char configStatus;
      volatile	u_char _22;
      volatile	u_char progIOCtrl;
      volatile	u_char shareMBase;
      volatile	u_char controlRegister;
};

struct arlan_conf_stru {
      int spreadingCode;
      int channelSet;
      int channelNumber;
      int scramblingDisable;
      int txAttenuation;
      int systemId; 
      int maxDatagramSize;
      int maxFrameSize;
      int maxRetries;
      int receiveMode;
      int priority;
      int rootOrRepeater;
      int SID;
      int radioNodeId;
      int registrationMode;
      int registrationFill;
      int localTalkAddress;
      int codeFormat;
      int numChannels;
      int channel1;
      int channel2;
      int channel3;
      int channel4;
      int txClear;
      int txRetries;
      int txRouting;
      int txScrambled;
      int rxParameter;
      int txTimeoutMs;
      int txAckTimeoutMs;
      int waitCardTimeout;
      int	waitTime;
      int	lParameter;
      int	_15;
      int	headerSize;
      int retries;
      int tx_delay_ms;
      int waitReTransmitPacketMaxSize;
      int ReTransmitPacketMaxSize;
      int fastReTransCount;
      int driverRetransmissions;
      int registrationInterrupts;
      int hardwareType;
      int radioType;
      int writeRadioType;
      int writeEEPROM;
      char siteName[17];
      int measure_rate;
      int in_speed;
      int out_speed;
      int in_speed10;
      int out_speed10;
      int in_speed_max;
      int out_speed_max;
      int pre_Command_Wait;
      int rx_tweak1;
      int rx_tweak2;
      int tx_queue_len;
};

extern struct arlan_conf_stru arlan_conf[MAX_ARLANS];

struct TxParam
{
      volatile	short 		offset;
      volatile 	short 		length;
      volatile	u_char 		dest[6];
      volatile	unsigned	char clear;
      volatile	unsigned	char retries;
      volatile	unsigned	char routing;
      volatile	unsigned	char scrambled;
};

#define TX_RING_SIZE 2
/* Information that need to be kept for each board. */
struct arlan_private {
      struct arlan_shmem __iomem * card;
      struct arlan_shmem * conf;

      struct arlan_conf_stru * Conf;	     
      int	bad;
      int 	reset;
      unsigned long lastReset;
      struct timer_list timer;
      struct timer_list tx_delay_timer;
      struct timer_list tx_retry_timer;
      struct timer_list rx_check_timer;

      int registrationLostCount;
      int reRegisterExp;
      int irq_test_done;

      struct TxParam txRing[TX_RING_SIZE];
      char reTransmitBuff[0x800];
      int txLast;
      unsigned ReTransmitRequested;
      unsigned long tx_done_delayed;
      unsigned long registrationLastSeen;

      unsigned long	tx_last_sent;
      unsigned long	tx_last_cleared;
      unsigned long	retransmissions;
      unsigned long 	interrupt_ack_requested;
      spinlock_t	lock;
      unsigned long	waiting_command_mask;
      unsigned long 	card_polling_interval;
      unsigned long 	last_command_buff_free_time;

      int 		under_reset;
      int 		under_config;
      int 		rx_command_given;
      int	 	tx_command_given;
      unsigned  long	interrupt_processing_active;
      unsigned long	last_rx_int_ack_time;
      unsigned long	in_bytes;
      unsigned long 	out_bytes;
      unsigned long	in_time;
      unsigned long	out_time;
      unsigned long	in_time10;
      unsigned long	out_time10;
      unsigned long	in_bytes10;
      unsigned long 	out_bytes10;
      int	init_etherdev_alloc;
};



#define ARLAN_CLEAR		0x00
#define ARLAN_RESET 		0x01
#define ARLAN_CHANNEL_ATTENTION 0x02
#define ARLAN_INTERRUPT_ENABLE 	0x04
#define ARLAN_CLEAR_INTERRUPT 	0x08
#define ARLAN_POWER 		0x40
#define ARLAN_ACCESS		0x80

#define ARLAN_COM_CONF                0x01
#define ARLAN_COM_RX_ENABLE           0x03
#define ARLAN_COM_RX_ABORT            0x04
#define ARLAN_COM_TX_ENABLE           0x05
#define ARLAN_COM_TX_ABORT            0x06
#define ARLAN_COM_NOP		      0x07
#define ARLAN_COM_STANDBY             0x08
#define ARLAN_COM_ACTIVATE            0x09
#define ARLAN_COM_GOTO_SLOW_POLL      0x0a
#define ARLAN_COM_INT                 0x80


#define TXLAST(dev) (((struct arlan_private *)netdev_priv(dev))->txRing[((struct arlan_private *)netdev_priv(dev))->txLast])
#define TXHEAD(dev) (((struct arlan_private *)netdev_priv(dev))->txRing[0])
#define TXTAIL(dev) (((struct arlan_private *)netdev_priv(dev))->txRing[1])

#define TXBuffStart(dev) offsetof(struct arlan_shmem, txBuffer)
#define TXBuffEnd(dev) offsetof(struct arlan_shmem, xxBuffer)
 
#define READSHM(to,from,atype) {\
	atype tmp;\
	memcpy_fromio(&(tmp),&(from),sizeof(atype));\
	to = tmp;\
	}

#define READSHMEM(from,atype)\
	atype from; \
	READSHM(from, arlan->from, atype);

#define WRITESHM(to,from,atype) \
	{ atype tmpSHM = from;\
	memcpy_toio(&(to),&tmpSHM,sizeof(atype));\
	}

#define DEBUGSHM(levelSHM,stringSHM,stuff,atype) \
	{	atype tmpSHM; \
		memcpy_fromio(&tmpSHM,&(stuff),sizeof(atype));\
		IFDEBUG(levelSHM) printk(stringSHM,tmpSHM);\
	}

#define WRITESHMB(to, val) \
	writeb(val,&(to))
#define READSHMB(to) \
	readb(&(to))
#define WRITESHMS(to, val) \
	writew(val,&(to))
#define READSHMS(to) \
	readw(&(to))
#define WRITESHMI(to, val) \
	writel(val,&(to))
#define READSHMI(to) \
	readl(&(to))





#define registrationBad(dev)\
   ( (   READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationMode)    > 0) && \
     (   READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationStatus) == 0)    )


#define readControlRegister(dev)\
 	READSHMB(((struct arlan_private *)netdev_priv(dev))->card->cntrlRegImage)

#define writeControlRegister(dev, v){\
   WRITESHMB(((struct arlan_private *)netdev_priv(dev))->card->cntrlRegImage	,((v) &0xF) );\
   WRITESHMB(((struct arlan_private *)netdev_priv(dev))->card->controlRegister	,(v) 	);}


#define arlan_interrupt_lancpu(dev) {\
   int cr;   \
   \
   cr = readControlRegister(dev);\
   if (cr & ARLAN_CHANNEL_ATTENTION){ \
      writeControlRegister(dev, (cr & ~ARLAN_CHANNEL_ATTENTION));\
   }else  \
      writeControlRegister(dev, (cr | ARLAN_CHANNEL_ATTENTION));\
}

#define clearChannelAttention(dev){ \
   writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_CHANNEL_ATTENTION);}
#define setHardwareReset(dev) {\
   writeControlRegister(dev,readControlRegister(dev) | ARLAN_RESET);}
#define clearHardwareReset(dev) {\
   writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_RESET);}
#define setInterruptEnable(dev){\
   writeControlRegister(dev,readControlRegister(dev) | ARLAN_INTERRUPT_ENABLE)  ;}
#define clearInterruptEnable(dev){\
   writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_INTERRUPT_ENABLE)  ;}
#define setClearInterrupt(dev){\
   writeControlRegister(dev,readControlRegister(dev) | ARLAN_CLEAR_INTERRUPT)   ;}
#define clearClearInterrupt(dev){\
   writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_CLEAR_INTERRUPT);}
#define setPowerOff(dev){\
   writeControlRegister(dev,readControlRegister(dev) | (ARLAN_POWER && ARLAN_ACCESS));\
   writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_ACCESS);}
#define setPowerOn(dev){\
   writeControlRegister(dev,readControlRegister(dev) & ~(ARLAN_POWER));   }
#define arlan_lock_card_access(dev){\
   writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_ACCESS);}
#define arlan_unlock_card_access(dev){\
   writeControlRegister(dev,readControlRegister(dev) | ARLAN_ACCESS ); }  




#define ARLAN_COMMAND_RX		0x000001
#define ARLAN_COMMAND_NOOP		0x000002
#define ARLAN_COMMAND_NOOPINT		0x000004
#define ARLAN_COMMAND_TX		0x000008
#define ARLAN_COMMAND_CONF		0x000010
#define ARLAN_COMMAND_RESET		0x000020
#define ARLAN_COMMAND_TX_ABORT		0x000040
#define ARLAN_COMMAND_RX_ABORT		0x000080
#define ARLAN_COMMAND_POWERDOWN		0x000100
#define ARLAN_COMMAND_POWERUP		0x000200
#define ARLAN_COMMAND_SLOW_POLL 	0x000400
#define ARLAN_COMMAND_ACTIVATE 		0x000800
#define ARLAN_COMMAND_INT_ACK		0x001000
#define ARLAN_COMMAND_INT_ENABLE	0x002000
#define ARLAN_COMMAND_WAIT_NOW		0x004000
#define ARLAN_COMMAND_LONG_WAIT_NOW	0x008000
#define ARLAN_COMMAND_STANDBY		0x010000
#define ARLAN_COMMAND_INT_RACK		0x020000
#define ARLAN_COMMAND_INT_RENABLE	0x040000
#define ARLAN_COMMAND_CONF_WAIT		0x080000
#define ARLAN_COMMAND_TBUSY_CLEAR	0x100000
#define ARLAN_COMMAND_CLEAN_AND_CONF	(ARLAN_COMMAND_TX_ABORT\
					| ARLAN_COMMAND_RX_ABORT\
					| ARLAN_COMMAND_CONF)
#define ARLAN_COMMAND_CLEAN_AND_RESET   (ARLAN_COMMAND_TX_ABORT\
					| ARLAN_COMMAND_RX_ABORT\
					| ARLAN_COMMAND_RESET)


 
#define ARLAN_DEBUG_CHAIN_LOCKS		0x00001
#define ARLAN_DEBUG_RESET		0x00002
#define ARLAN_DEBUG_TIMING		0x00004
#define ARLAN_DEBUG_CARD_STATE		0x00008
#define ARLAN_DEBUG_TX_CHAIN		0x00010
#define ARLAN_DEBUG_MULTICAST		0x00020
#define ARLAN_DEBUG_HEADER_DUMP		0x00040
#define ARLAN_DEBUG_INTERRUPT		0x00080
#define ARLAN_DEBUG_STARTUP		0x00100
#define ARLAN_DEBUG_SHUTDOWN		0x00200