1
2
3
4
5
6#include <linux/version.h>
7
8#include <linux/module.h>
9#include <linux/config.h>
10#include <linux/kernel.h>
11#include <linux/types.h>
12#include <linux/skbuff.h>
13#include <linux/if_ether.h>
14#include <linux/if_arp.h>
15#include <linux/ptrace.h>
16#include <linux/ioport.h>
17#include <linux/in.h>
18#include <linux/slab.h>
19#include <linux/string.h>
20#include <linux/timer.h>
21
22#include <linux/init.h>
23#include <asm/system.h>
24#include <asm/bitops.h>
25#include <asm/io.h>
26#include <linux/errno.h>
27#include <linux/delay.h>
28#include <linux/netdevice.h>
29#include <linux/etherdevice.h>
30
31
32
33
34#define ARLAN_PROC_INTERFACE
35#define MAX_ARLANS 4
36#define ARLAN_PROC_SHM_DUMP
37
38#define ARLAN_MAX_MULTICAST_ADDRS 16
39#define ARLAN_RCV_CLEAN 0
40#define ARLAN_RCV_PROMISC 1
41#define ARLAN_RCV_CONTROL 2
42
43
44#ifdef CONFIG_PROC_FS
45extern int init_arlan_proc(void);
46#endif
47
48extern struct net_device *arlan_device[MAX_ARLANS];
49extern int arlan_debug;
50extern char * siteName;
51extern int arlan_entry_debug;
52extern int arlan_exit_debug;
53extern int testMemory;
54extern const char* arlan_version;
55extern int arlan_command(struct net_device * dev, int command);
56
57#define SIDUNKNOWN -1
58#define radioNodeIdUNKNOWN -1
59#define encryptionKeyUNKNOWN '\0';
60#define irqUNKNOWN 0
61#define memUNKNOWN 0
62#define debugUNKNOWN 0
63#define probeUNKNOWN 1
64#define numDevicesUNKNOWN 1
65#define testMemoryUNKNOWN 1
66#define spreadingCodeUNKNOWN 0
67#define channelNumberUNKNOWN 0
68#define channelSetUNKNOWN 0
69#define systemIdUNKNOWN -1
70#define registrationModeUNKNOWN -1
71#define siteNameUNKNOWN "LinuxSite"
72
73
74
75#define IFDEBUG( L ) if ( (L) & arlan_debug )
76#define ARLAN_FAKE_HDR_LEN 12
77
78#ifdef ARLAN_DEBUGGING
79 #define DEBUG 1
80 #define ARLAN_ENTRY_EXIT_DEBUGGING 1
81 #define ARLAN_DEBUG(a,b) printk(KERN_DEBUG a, b)
82#else
83 #define ARLAN_DEBUG(a,b)
84#endif
85
86struct arlan_shmem
87{
88
89 volatile char textRegion[48];
90 volatile u_char resetFlag;
91 volatile u_char diagnosticInfo;
92 volatile u_short diagnosticOffset;
93 volatile u_char _1[12];
94 volatile u_char lanCardNodeId[6];
95 volatile u_char broadcastAddress[6];
96 volatile u_char hardwareType;
97 volatile u_char majorHardwareVersion;
98 volatile u_char minorHardwareVersion;
99 volatile u_char radioModule;
100 volatile u_char defaultChannelSet;
101 volatile u_char _2[47];
102
103
104 volatile u_char interruptInProgress;
105 volatile u_char cntrlRegImage;
106 volatile u_char _3[13];
107 volatile u_char dumpByte;
108 volatile u_char commandByte;
109 volatile u_char commandParameter[15];
110
111
112 volatile u_char rxStatus;
113 volatile u_char rxFrmType;
114 volatile u_short rxOffset;
115 volatile u_short rxLength;
116 volatile u_char rxSrc[6];
117 volatile u_char rxBroadcastFlag;
118 volatile u_char rxQuality;
119 volatile u_char scrambled;
120 volatile u_char _4[1];
121
122
123 volatile u_char txStatus;
124 volatile u_char txAckQuality;
125 volatile u_char numRetries;
126 volatile u_char _5[14];
127 volatile u_char registeredRouter[6];
128 volatile u_char backboneRouter[6];
129 volatile u_char registrationStatus;
130 volatile u_char configuredStatusFlag;
131 volatile u_char _6[1];
132 volatile u_char ultimateDestAddress[6];
133 volatile u_char immedDestAddress[6];
134 volatile u_char immedSrcAddress[6];
135 volatile u_short rxSequenceNumber;
136 volatile u_char assignedLocaltalkAddress;
137 volatile u_char _7[27];
138
139
140
141
142
143 volatile u_short txTimeout;
144 volatile u_short transportTime;
145 volatile u_char _8[4];
146
147
148 volatile u_char irqLevel;
149 volatile u_char spreadingCode;
150 volatile u_char channelSet;
151 volatile u_char channelNumber;
152 volatile u_short radioNodeId;
153 volatile u_char _9[2];
154 volatile u_char scramblingDisable;
155 volatile u_char radioType;
156 volatile u_short routerId;
157 volatile u_char _10[9];
158 volatile u_char txAttenuation;
159 volatile u_char systemId[4];
160 volatile u_short globalChecksum;
161 volatile u_char _11[4];
162 volatile u_short maxDatagramSize;
163 volatile u_short maxFrameSize;
164 volatile u_char maxRetries;
165 volatile u_char receiveMode;
166 volatile u_char priority;
167 volatile u_char rootOrRepeater;
168 volatile u_char specifiedRouter[6];
169 volatile u_short fastPollPeriod;
170 volatile u_char pollDecay;
171 volatile u_char fastPollDelay[2];
172 volatile u_char arlThreshold;
173 volatile u_char arlDecay;
174 volatile u_char _12[1];
175 volatile u_short specRouterTimeout;
176 volatile u_char _13[5];
177
178
179 volatile u_char SID[4];
180 volatile u_char encryptionKey[12];
181 volatile u_char _14[2];
182 volatile u_char waitTime[2];
183 volatile u_char lParameter[2];
184 volatile u_char _15[3];
185 volatile u_short headerSize;
186 volatile u_short sectionChecksum;
187
188 volatile u_char registrationMode;
189 volatile u_char registrationFill;
190 volatile u_short pollPeriod;
191 volatile u_short refreshPeriod;
192 volatile u_char name[16];
193 volatile u_char NID[6];
194 volatile u_char localTalkAddress;
195 volatile u_char codeFormat;
196 volatile u_char numChannels;
197 volatile u_char channel1;
198 volatile u_char channel2;
199 volatile u_char channel3;
200 volatile u_char channel4;
201 volatile u_char SSCode[59];
202
203 volatile u_char _16[0xC0];
204 volatile u_short auxCmd;
205 volatile u_char dumpPtr[4];
206 volatile u_char dumpVal;
207 volatile u_char _17[0x6A];
208 volatile u_char wireTest;
209 volatile u_char _18[14];
210
211
212 volatile u_char hostcpuLock;
213 volatile u_char lancpuLock;
214 volatile u_char resetTime[18];
215
216 volatile u_char numDatagramsTransmitted[4];
217 volatile u_char numReTransmissions[4];
218 volatile u_char numFramesDiscarded[4];
219 volatile u_char numDatagramsReceived[4];
220 volatile u_char numDuplicateReceivedFrames[4];
221 volatile u_char numDatagramsDiscarded[4];
222
223 volatile u_short maxNumReTransmitDatagram;
224 volatile u_short maxNumReTransmitFrames;
225 volatile u_short maxNumConsecutiveDuplicateFrames;
226
227
228 volatile u_char numBytesTransmitted[4];
229 volatile u_char numBytesReceived[4];
230 volatile u_char numCRCErrors[4];
231 volatile u_char numLengthErrors[4];
232 volatile u_char numAbortErrors[4];
233 volatile u_char numTXUnderruns[4];
234 volatile u_char numRXOverruns[4];
235 volatile u_char numHoldOffs[4];
236 volatile u_char numFramesTransmitted[4];
237 volatile u_char numFramesReceived[4];
238 volatile u_char numReceiveFramesLost[4];
239 volatile u_char numRXBufferOverflows[4];
240 volatile u_char numFramesDiscardedAddrMismatch[4];
241 volatile u_char numFramesDiscardedSIDMismatch[4];
242 volatile u_char numPollsTransmistted[4];
243 volatile u_char numPollAcknowledges[4];
244 volatile u_char numStatusTimeouts[4];
245 volatile u_char numNACKReceived[4];
246
247 volatile u_char _19[0x86];
248
249 volatile u_char txBuffer[0x800];
250 volatile u_char rxBuffer[0x800];
251
252 volatile u_char _20[0x800];
253 volatile u_char _21[0x3fb];
254 volatile u_char configStatus;
255 volatile u_char _22;
256 volatile u_char progIOCtrl;
257 volatile u_char shareMBase;
258 volatile u_char controlRegister;
259};
260
261struct arlan_conf_stru {
262 int spreadingCode;
263 int channelSet;
264 int channelNumber;
265 int scramblingDisable;
266 int txAttenuation;
267 int systemId;
268 int maxDatagramSize;
269 int maxFrameSize;
270 int maxRetries;
271 int receiveMode;
272 int priority;
273 int rootOrRepeater;
274 int SID;
275 int radioNodeId;
276 int registrationMode;
277 int registrationFill;
278 int localTalkAddress;
279 int codeFormat;
280 int numChannels;
281 int channel1;
282 int channel2;
283 int channel3;
284 int channel4;
285 int txClear;
286 int txRetries;
287 int txRouting;
288 int txScrambled;
289 int rxParameter;
290 int txTimeoutMs;
291 int txAckTimeoutMs;
292 int waitCardTimeout;
293 int waitTime;
294 int lParameter;
295 int _15;
296 int headerSize;
297 int async;
298 int retries;
299 int tx_delay_ms;
300 int waitReTransmitPacketMaxSize;
301 int ReTransmitPacketMaxSize;
302 int fastReTransCount;
303 int driverRetransmissions;
304 int registrationInterrupts;
305 int hardwareType;
306 int radioType;
307 int writeRadioType;
308 int writeEEPROM;
309 char siteName[17];
310 int measure_rate;
311 int in_speed;
312 int out_speed;
313 int in_speed10;
314 int out_speed10;
315 int in_speed_max;
316 int out_speed_max;
317 int pre_Command_Wait;
318 int rx_tweak1;
319 int rx_tweak2;
320 int tx_queue_len;
321};
322
323extern struct arlan_conf_stru arlan_conf[MAX_ARLANS];
324
325struct TxParam
326{
327 volatile short offset;
328 volatile short length;
329 volatile u_char dest[6];
330 volatile unsigned char clear;
331 volatile unsigned char retries;
332 volatile unsigned char routing;
333 volatile unsigned char scrambled;
334};
335
336struct TxRingPoint {
337 struct TxParam txParam;
338
339
340};
341
342#define TX_RING_SIZE 2
343
344struct arlan_private {
345 struct net_device_stats stats;
346 long open_time;
347 struct arlan_shmem * card;
348 struct arlan_shmem * conf;
349 struct TxParam txParam;
350 int multicastLength;
351 char multicastList[ARLAN_MAX_MULTICAST_ADDRS][6];
352 int promiscModeEnabled;
353 struct arlan_conf_stru * Conf;
354 int bad;
355 int reset;
356 long long lastReset;
357 struct timer_list timer;
358 struct timer_list tx_delay_timer;
359 struct timer_list tx_retry_timer;
360 struct timer_list rx_check_timer;
361 struct semaphore card_lock;
362 atomic_t card_users;
363 atomic_t delay_on;
364 atomic_t retr_on;
365 int registrationLostCount;
366 int reRegisterExp;
367 int nof_tx;
368 int nof_tx_ack;
369 int last_nof_tx;
370 int last_nof_tx_ack;
371 int irq_test_done;
372 int last_command_was_rx;
373 struct TxParam txRing[TX_RING_SIZE];
374 char reTransmitBuff[0x800];
375 volatile int txLast;
376 volatile int txNew;
377 volatile int txOffset;
378 volatile char ReTransmitRequested;
379 volatile long long tx_done_delayed;
380 volatile long long registrationLastSeen;
381 volatile char under_command;
382 volatile char under_toggle;
383 volatile long long tx_last_sent;
384 volatile long long tx_last_cleared;
385 volatile u_char under_tx;
386 volatile int retransmissions;
387 volatile int tx_chain_active;
388 volatile int timer_chain_active;
389 volatile int interrupt_ack_requested;
390 volatile long command_lock;
391 volatile int rx_command_needed;
392 volatile int tx_command_needed;
393 volatile int waiting_command_mask;
394 volatile int card_polling_interval;
395 volatile int last_command_buff_free_time;
396 volatile int numResets;
397 volatile int under_reset;
398 volatile int under_config;
399 volatile int rx_command_given;
400 volatile long tx_command_given;
401 volatile long interrupt_processing_active;
402 volatile long long last_tx_time;
403 volatile long long last_rx_time;
404 volatile long long last_rx_int_ack_time;
405 int in_bytes;
406 int out_bytes;
407 int in_time;
408 int out_time;
409 int in_time10;
410 int out_time10;
411 int in_bytes10;
412 int out_bytes10;
413};
414
415
416
417#define ARLAN_CLEAR 0x00
418#define ARLAN_RESET 0x01
419#define ARLAN_CHANNEL_ATTENTION 0x02
420#define ARLAN_INTERRUPT_ENABLE 0x04
421#define ARLAN_CLEAR_INTERRUPT 0x08
422#define ARLAN_POWER 0x40
423#define ARLAN_ACCESS 0x80
424
425#define ARLAN_COM_CONF 0x01
426#define ARLAN_COM_RX_ENABLE 0x03
427#define ARLAN_COM_RX_ABORT 0x04
428#define ARLAN_COM_TX_ENABLE 0x05
429#define ARLAN_COM_TX_ABORT 0x06
430#define ARLAN_COM_NOP 0x07
431#define ARLAN_COM_STANDBY 0x08
432#define ARLAN_COM_ACTIVATE 0x09
433#define ARLAN_COM_GOTO_SLOW_POLL 0x0a
434#define ARLAN_COM_INT 0x80
435
436
437#define TXLAST(dev) (((struct arlan_private *)dev->priv)->txRing[((struct arlan_private *)dev->priv)->txLast])
438#define TXHEAD(dev) (((struct arlan_private *)dev->priv)->txRing[0])
439#define TXTAIL(dev) (((struct arlan_private *)dev->priv)->txRing[1])
440
441#define TXBuffStart(dev) \
442 ((int)(((struct arlan_private *)dev->priv)->card)->txBuffer) - ((int)(((struct arlan_private *)dev->priv)->card) )
443#define TXBuffEnd(dev) \
444 ((int)(((struct arlan_private *)dev->priv)->card)->rxBuffer) - ((int)(((struct arlan_private *)dev->priv)->card)
445
446#define READSHM(to,from,atype) {\
447 atype tmp;\
448 memcpy_fromio(&(tmp),&(from),sizeof(atype));\
449 to = tmp;\
450 }
451
452#define READSHMEM(from,atype)\
453 atype from; \
454 READSHM(from, arlan->from, atype);
455
456#define WRITESHM(to,from,atype) \
457 { atype tmpSHM = from;\
458 memcpy_toio(&(to),&tmpSHM,sizeof(atype));\
459 }
460
461#define DEBUGSHM(levelSHM,stringSHM,stuff,atype) \
462 { atype tmpSHM; \
463 memcpy_fromio(&tmpSHM,&(stuff),sizeof(atype));\
464 IFDEBUG(levelSHM) printk(stringSHM,tmpSHM);\
465 }
466
467#define WRITESHMB(to, val) \
468 writeb(val,&(to))
469#define READSHMB(to) \
470 readb(&(to))
471#define WRITESHMS(to, val) \
472 writew(val,&(to))
473#define READSHMS(to) \
474 readw(&(to))
475#define WRITESHMI(to, val) \
476 writel(val,&(to))
477#define READSHMI(to) \
478 readl(&(to))
479
480
481
482
483
484#define registrationBad(dev)\
485 ( ( READSHMB(((struct arlan_private *)dev->priv)->card->registrationMode) > 0) && \
486 ( READSHMB(((struct arlan_private *)dev->priv)->card->registrationStatus) == 0) )
487
488
489#define readControlRegister(dev)\
490 READSHMB(((struct arlan_private *)dev->priv)->card->cntrlRegImage)
491
492#define writeControlRegister(dev, v){\
493 WRITESHMB(((struct arlan_private *)dev->priv)->card->cntrlRegImage ,((v) &0xF) );\
494 WRITESHMB(((struct arlan_private *)dev->priv)->card->controlRegister ,(v) );}
495
496
497#define arlan_interrupt_lancpu(dev) {\
498 int cr; \
499 \
500 priv->under_toggle++; \
501 cr = readControlRegister(dev);\
502 if (cr & ARLAN_CHANNEL_ATTENTION){ \
503 writeControlRegister(dev, (cr & ~ARLAN_CHANNEL_ATTENTION));\
504 }else \
505 writeControlRegister(dev, (cr | ARLAN_CHANNEL_ATTENTION));\
506 priv->under_toggle=0; \
507}
508
509#define clearChannelAttention(dev){ \
510 writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_CHANNEL_ATTENTION);}
511#define setHardwareReset(dev) {\
512 writeControlRegister(dev,readControlRegister(dev) | ARLAN_RESET);}
513#define clearHardwareReset(dev) {\
514 writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_RESET);}
515#define setInterruptEnable(dev){\
516 writeControlRegister(dev,readControlRegister(dev) | ARLAN_INTERRUPT_ENABLE) ;}
517#define clearInterruptEnable(dev){\
518 writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_INTERRUPT_ENABLE) ;}
519#define setClearInterrupt(dev){\
520 writeControlRegister(dev,readControlRegister(dev) | ARLAN_CLEAR_INTERRUPT) ;}
521#define clearClearInterrupt(dev){\
522 writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_CLEAR_INTERRUPT);}
523#define setPowerOff(dev){\
524 writeControlRegister(dev,readControlRegister(dev) | (ARLAN_POWER && ARLAN_ACCESS));\
525 writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_ACCESS);}
526#define setPowerOn(dev){\
527 writeControlRegister(dev,readControlRegister(dev) & ~(ARLAN_POWER)); }
528#define arlan_lock_card_access(dev){\
529 writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_ACCESS);}
530#define arlan_unlock_card_access(dev){\
531 writeControlRegister(dev,readControlRegister(dev) | ARLAN_ACCESS ); }
532
533
534
535
536#define ARLAN_COMMAND_RX 0x000001
537#define ARLAN_COMMAND_NOOP 0x000002
538#define ARLAN_COMMAND_NOOPINT 0x000004
539#define ARLAN_COMMAND_TX 0x000008
540#define ARLAN_COMMAND_CONF 0x000010
541#define ARLAN_COMMAND_RESET 0x000020
542#define ARLAN_COMMAND_TX_ABORT 0x000040
543#define ARLAN_COMMAND_RX_ABORT 0x000080
544#define ARLAN_COMMAND_POWERDOWN 0x000100
545#define ARLAN_COMMAND_POWERUP 0x000200
546#define ARLAN_COMMAND_SLOW_POLL 0x000400
547#define ARLAN_COMMAND_ACTIVATE 0x000800
548#define ARLAN_COMMAND_INT_ACK 0x001000
549#define ARLAN_COMMAND_INT_ENABLE 0x002000
550#define ARLAN_COMMAND_WAIT_NOW 0x004000
551#define ARLAN_COMMAND_LONG_WAIT_NOW 0x008000
552#define ARLAN_COMMAND_STANDBY 0x010000
553#define ARLAN_COMMAND_INT_RACK 0x020000
554#define ARLAN_COMMAND_INT_RENABLE 0x040000
555#define ARLAN_COMMAND_CONF_WAIT 0x080000
556#define ARLAN_COMMAND_TBUSY_CLEAR 0x100000
557#define ARLAN_COMMAND_CLEAN_AND_CONF (ARLAN_COMMAND_TX_ABORT\
558 | ARLAN_COMMAND_RX_ABORT\
559 | ARLAN_COMMAND_CONF)
560#define ARLAN_COMMAND_CLEAN_AND_RESET (ARLAN_COMMAND_TX_ABORT\
561 | ARLAN_COMMAND_RX_ABORT\
562 | ARLAN_COMMAND_RESET)
563
564
565
566#define ARLAN_DEBUG_CHAIN_LOCKS 0x00001
567#define ARLAN_DEBUG_RESET 0x00002
568#define ARLAN_DEBUG_TIMING 0x00004
569#define ARLAN_DEBUG_CARD_STATE 0x00008
570#define ARLAN_DEBUG_TX_CHAIN 0x00010
571#define ARLAN_DEBUG_MULTICAST 0x00020
572#define ARLAN_DEBUG_HEADER_DUMP 0x00040
573#define ARLAN_DEBUG_INTERRUPT 0x00080
574#define ARLAN_DEBUG_STARTUP 0x00100
575#define ARLAN_DEBUG_SHUTDOWN 0x00200
576
577
