MAINTAINERS: remove Adam Fritzler, remove his email address in other sources
[linux-2.6.git] / drivers / net / tokenring / tms380tr.h
1 /* 
2  * tms380tr.h: TI TMS380 Token Ring driver for Linux
3  *
4  * Authors:
5  * - Christoph Goos <cgoos@syskonnect.de>
6  * - Adam Fritzler
7  */
8
9 #ifndef __LINUX_TMS380TR_H
10 #define __LINUX_TMS380TR_H
11
12 #ifdef __KERNEL__
13
14 #include <linux/interrupt.h>
15
16 /* module prototypes */
17 int tms380tr_open(struct net_device *dev);
18 int tms380tr_close(struct net_device *dev);
19 irqreturn_t tms380tr_interrupt(int irq, void *dev_id);
20 int tmsdev_init(struct net_device *dev, struct device *pdev);
21 void tmsdev_term(struct net_device *dev);
22 void tms380tr_wait(unsigned long time);
23
24 #define TMS380TR_MAX_ADAPTERS 7
25
26 #define SEND_TIMEOUT 10*HZ
27
28 #define TR_RCF_LONGEST_FRAME_MASK 0x0070
29 #define TR_RCF_FRAME4K 0x0030
30
31 /*------------------------------------------------------------------*/
32 /*  Bit order for adapter communication with DMA                    */
33 /*  --------------------------------------------------------------  */
34 /*  Bit  8 | 9| 10| 11|| 12| 13| 14| 15|| 0| 1| 2| 3|| 4| 5| 6| 7|  */
35 /*  --------------------------------------------------------------  */
36 /*  The bytes in a word must be byte swapped. Also, if a double     */
37 /*  word is used for storage, then the words, as well as the bytes, */
38 /*  must be swapped.                                                */
39 /*  Bit order for adapter communication with DIO                    */
40 /*  --------------------------------------------------------------  */
41 /*  Bit  0 | 1| 2| 3|| 4| 5| 6| 7|| 8| 9| 10| 11|| 12| 13| 14| 15|  */
42 /*  --------------------------------------------------------------  */
43 /*------------------------------------------------------------------*/
44
45 /* Swap words of a long.                        */
46 #define SWAPW(x) (((x) << 16) | ((x) >> 16))
47
48 /* Get the low byte of a word.                      */
49 #define LOBYTE(w)       ((unsigned char)(w))
50
51 /* Get the high byte of a word.                     */
52 #define HIBYTE(w)       ((unsigned char)((unsigned short)(w) >> 8))
53
54 /* Get the low word of a long.                      */
55 #define LOWORD(l)       ((unsigned short)(l))
56
57 /* Get the high word of a long.                     */
58 #define HIWORD(l)       ((unsigned short)((unsigned long)(l) >> 16))
59
60
61
62 /* Token ring adapter I/O addresses for normal mode. */
63
64 /*
65  * The SIF registers.  Common to all adapters.
66  */
67 /* Basic SIF (SRSX = 0) */
68 #define SIFDAT                  0x00    /* SIF/DMA data. */
69 #define SIFINC                  0x02    /* IO Word data with auto increment. */
70 #define SIFINH                  0x03    /* IO Byte data with auto increment. */
71 #define SIFADR                  0x04    /* SIF/DMA Address. */
72 #define SIFCMD                  0x06    /* SIF Command. */
73 #define SIFSTS                  0x06    /* SIF Status. */
74
75 /* "Extended" SIF (SRSX = 1) */
76 #define SIFACL                  0x08    /* SIF Adapter Control Register. */
77 #define SIFADD                  0x0a    /* SIF/DMA Address. -- 0x0a */
78 #define SIFADX                  0x0c     /* 0x0c */
79 #define DMALEN                  0x0e    /* SIF DMA length. -- 0x0e */
80
81 /*
82  * POS Registers.  Only for ISA Adapters.
83  */
84 #define POSREG                  0x10    /* Adapter Program Option Select (POS)
85                                          * Register: base IO address + 16 byte.
86                                          */
87 #define POSREG_2                24L     /* only for TR4/16+ adapter
88                                          * base IO address + 24 byte. -- 0x18
89                                          */
90
91 /* SIFCMD command codes (high-low) */
92 #define CMD_INTERRUPT_ADAPTER   0x8000  /* Cause internal adapter interrupt */
93 #define CMD_ADAPTER_RESET       0x4000  /* Hardware reset of adapter */
94 #define CMD_SSB_CLEAR           0x2000  /* Acknowledge to adapter to
95                                          * system interrupts.
96                                          */
97 #define CMD_EXECUTE             0x1000  /* Execute SCB command */
98 #define CMD_SCB_REQUEST         0x0800  /* Request adapter to interrupt
99                                          * system when SCB is available for
100                                          * another command.
101                                          */
102 #define CMD_RX_CONTINUE         0x0400  /* Continue receive after odd pointer
103                                          * stop. (odd pointer receive method)
104                                          */
105 #define CMD_RX_VALID            0x0200  /* Now actual RPL is valid. */
106 #define CMD_TX_VALID            0x0100  /* Now actual TPL is valid. (valid
107                                          * bit receive/transmit method)
108                                          */
109 #define CMD_SYSTEM_IRQ          0x0080  /* Adapter-to-attached-system
110                                          * interrupt is reset.
111                                          */
112 #define CMD_CLEAR_SYSTEM_IRQ    0x0080  /* Clear SYSTEM_INTERRUPT bit.
113                                          * (write: 1=ignore, 0=reset)
114                                          */
115 #define EXEC_SOFT_RESET         0xFF00  /* adapter soft reset. (restart
116                                          * adapter after hardware reset)
117                                          */
118
119
120 /* ACL commands (high-low) */
121 #define ACL_SWHLDA              0x0800  /* Software hold acknowledge. */
122 #define ACL_SWDDIR              0x0400  /* Data transfer direction. */
123 #define ACL_SWHRQ               0x0200  /* Pseudo DMA operation. */
124 #define ACL_PSDMAEN             0x0100  /* Enable pseudo system DMA. */
125 #define ACL_ARESET              0x0080  /* Adapter hardware reset command.
126                                          * (held in reset condition as
127                                          * long as bit is set)
128                                          */
129 #define ACL_CPHALT              0x0040  /* Communication processor halt.
130                                          * (can only be set while ACL_ARESET
131                                          * bit is set; prevents adapter
132                                          * processor from executing code while
133                                          * downloading firmware)
134                                          */
135 #define ACL_BOOT                0x0020
136 #define ACL_SINTEN              0x0008  /* System interrupt enable/disable
137                                          * (1/0): can be written if ACL_ARESET
138                                          * is zero.
139                                          */
140 #define ACL_PEN                 0x0004
141
142 #define ACL_NSELOUT0            0x0002 
143 #define ACL_NSELOUT1            0x0001  /* NSELOUTx have a card-specific
144                                          * meaning for setting ring speed.
145                                          */
146
147 #define PS_DMA_MASK             (ACL_SWHRQ | ACL_PSDMAEN)
148
149
150 /* SIFSTS register return codes (high-low) */
151 #define STS_SYSTEM_IRQ          0x0080  /* Adapter-to-attached-system
152                                          * interrupt is valid.
153                                          */
154 #define STS_INITIALIZE          0x0040  /* INITIALIZE status. (ready to
155                                          * initialize)
156                                          */
157 #define STS_TEST                0x0020  /* TEST status. (BUD not completed) */
158 #define STS_ERROR               0x0010  /* ERROR status. (unrecoverable
159                                          * HW error occurred)
160                                          */
161 #define STS_MASK                0x00F0  /* Mask interesting status bits. */
162 #define STS_ERROR_MASK          0x000F  /* Get Error Code by masking the
163                                          * interrupt code bits.
164                                          */
165 #define ADAPTER_INT_PTRS        0x0A00  /* Address offset of adapter internal
166                                          * pointers 01:0a00 (high-low) have to
167                                          * be read after init and before open.
168                                          */
169
170
171 /* Interrupt Codes (only MAC IRQs) */
172 #define STS_IRQ_ADAPTER_CHECK   0x0000  /* unrecoverable hardware or
173                                          * software error.
174                                          */ 
175 #define STS_IRQ_RING_STATUS     0x0004  /* SSB is updated with ring status. */
176 #define STS_IRQ_LLC_STATUS      0x0005  /* Not used in MAC-only microcode */
177 #define STS_IRQ_SCB_CLEAR       0x0006  /* SCB clear, following an
178                                          * SCB_REQUEST IRQ.
179                                          */
180 #define STS_IRQ_TIMER           0x0007  /* Not normally used in MAC ucode */
181 #define STS_IRQ_COMMAND_STATUS  0x0008  /* SSB is updated with command 
182                                          * status.
183                                          */ 
184 #define STS_IRQ_RECEIVE_STATUS  0x000A  /* SSB is updated with receive
185                                          * status.
186                                          */
187 #define STS_IRQ_TRANSMIT_STATUS 0x000C  /* SSB is updated with transmit
188                                          * status
189                                          */
190 #define STS_IRQ_RECEIVE_PENDING 0x000E  /* Not used in MAC-only microcode */
191 #define STS_IRQ_MASK            0x000F  /* = STS_ERROR_MASK. */
192
193
194 /* TRANSMIT_STATUS completion code: (SSB.Parm[0]) */
195 #define COMMAND_COMPLETE        0x0080  /* TRANSMIT command completed
196                                          * (avoid this!) issue another transmit
197                                          * to send additional frames.
198                                          */
199 #define FRAME_COMPLETE          0x0040  /* Frame has been transmitted;
200                                          * INTERRUPT_FRAME bit was set in the
201                                          * CSTAT request; indication of possibly
202                                          * more than one frame transmissions!
203                                          * SSB.Parm[0-1]: 32 bit pointer to
204                                          * TPL of last frame.
205                                          */
206 #define LIST_ERROR              0x0020  /* Error in one of the TPLs that
207                                          * compose the frame; TRANSMIT
208                                          * terminated; Parm[1-2]: 32bit pointer
209                                          * to TPL which starts the error
210                                          * frame; error details in bits 8-13.
211                                          * (14?)
212                                          */
213 #define FRAME_SIZE_ERROR        0x8000  /* FRAME_SIZE does not equal the sum of
214                                          * the valid DATA_COUNT fields;
215                                          * FRAME_SIZE less than header plus
216                                          * information field. (15 bytes +
217                                          * routing field) Or if FRAME_SIZE
218                                          * was specified as zero in one list.
219                                          */
220 #define TX_THRESHOLD            0x4000  /* FRAME_SIZE greater than (BUFFER_SIZE
221                                          * - 9) * TX_BUF_MAX.
222                                          */
223 #define ODD_ADDRESS             0x2000  /* Odd forward pointer value is
224                                          * read on a list without END_FRAME
225                                          * indication.
226                                          */
227 #define FRAME_ERROR             0x1000  /* START_FRAME bit (not) anticipated,
228                                          * but (not) set.
229                                          */
230 #define ACCESS_PRIORITY_ERROR   0x0800  /* Access priority requested has not
231                                          * been allowed.
232                                          */
233 #define UNENABLED_MAC_FRAME     0x0400  /* MAC frame has source class of zero
234                                          * or MAC frame PCF ATTN field is
235                                          * greater than one.
236                                          */
237 #define ILLEGAL_FRAME_FORMAT    0x0200  /* Bit 0 or FC field was set to one. */
238
239
240 /*
241  * Since we need to support some functions even if the adapter is in a
242  * CLOSED state, we have a (pseudo-) command queue which holds commands
243  * that are outstandig to be executed.
244  *
245  * Each time a command completes, an interrupt occurs and the next
246  * command is executed. The command queue is actually a simple word with 
247  * a bit for each outstandig command. Therefore the commands will not be
248  * executed in the order they have been queued.
249  *
250  * The following defines the command code bits and the command queue:
251  */
252 #define OC_OPEN                 0x0001  /* OPEN command */
253 #define OC_TRANSMIT             0x0002  /* TRANSMIT command */
254 #define OC_TRANSMIT_HALT        0x0004  /* TRANSMIT_HALT command */
255 #define OC_RECEIVE              0x0008  /* RECEIVE command */
256 #define OC_CLOSE                0x0010  /* CLOSE command */
257 #define OC_SET_GROUP_ADDR       0x0020  /* SET_GROUP_ADDR command */
258 #define OC_SET_FUNCT_ADDR       0x0040  /* SET_FUNCT_ADDR command */
259 #define OC_READ_ERROR_LOG       0x0080  /* READ_ERROR_LOG command */
260 #define OC_READ_ADAPTER         0x0100  /* READ_ADAPTER command */
261 #define OC_MODIFY_OPEN_PARMS    0x0400  /* MODIFY_OPEN_PARMS command */
262 #define OC_RESTORE_OPEN_PARMS   0x0800  /* RESTORE_OPEN_PARMS command */
263 #define OC_SET_FIRST_16_GROUP   0x1000  /* SET_FIRST_16_GROUP command */
264 #define OC_SET_BRIDGE_PARMS     0x2000  /* SET_BRIDGE_PARMS command */
265 #define OC_CONFIG_BRIDGE_PARMS  0x4000  /* CONFIG_BRIDGE_PARMS command */
266
267 #define OPEN                    0x0300  /* C: open command. S: completion. */
268 #define TRANSMIT                0x0400  /* C: transmit command. S: completion
269                                          * status. (reject: COMMAND_REJECT if
270                                          * adapter not opened, TRANSMIT already
271                                          * issued or address passed in the SCB
272                                          * not word aligned)
273                                          */
274 #define TRANSMIT_HALT           0x0500  /* C: interrupt TX TPL chain; if no
275                                          * TRANSMIT command issued, the command
276                                          * is ignored (completion with TRANSMIT
277                                          * status (0x0400)!)
278                                          */
279 #define RECEIVE                 0x0600  /* C: receive command. S: completion
280                                          * status. (reject: COMMAND_REJECT if
281                                          * adapter not opened, RECEIVE already
282                                          * issued or address passed in the SCB 
283                                          * not word aligned)
284                                          */
285 #define CLOSE                   0x0700  /* C: close adapter. S: completion.
286                                          * (COMMAND_REJECT if adapter not open)
287                                          */
288 #define SET_GROUP_ADDR          0x0800  /* C: alter adapter group address after
289                                          * OPEN. S: completion. (COMMAND_REJECT
290                                          * if adapter not open)
291                                          */
292 #define SET_FUNCT_ADDR          0x0900  /* C: alter adapter functional address
293                                          * after OPEN. S: completion.
294                                          * (COMMAND_REJECT if adapter not open)
295                                          */
296 #define READ_ERROR_LOG          0x0A00  /* C: read adapter error counters.
297                                          * S: completion. (command ignored
298                                          * if adapter not open!)
299                                          */
300 #define READ_ADAPTER            0x0B00  /* C: read data from adapter memory.
301                                          * (important: after init and before
302                                          * open!) S: completion. (ADAPTER_CHECK
303                                          * interrupt if undefined storage area
304                                          * read)
305                                          */
306 #define MODIFY_OPEN_PARMS       0x0D00  /* C: modify some adapter operational
307                                          * parameters. (bit correspondend to
308                                          * WRAP_INTERFACE is ignored)
309                                          * S: completion. (reject: 
310                                          * COMMAND_REJECT)
311                                          */
312 #define RESTORE_OPEN_PARMS      0x0E00  /* C: modify some adapter operational
313                                          * parameters. (bit correspondend
314                                          * to WRAP_INTERFACE is ignored)
315                                          * S: completion. (reject:
316                                          * COMMAND_REJECT)
317                                          */
318 #define SET_FIRST_16_GROUP      0x0F00  /* C: alter the first two bytes in
319                                          * adapter group address.
320                                          * S: completion. (reject:
321                                          * COMMAND_REJECT)
322                                          */
323 #define SET_BRIDGE_PARMS        0x1000  /* C: values and conditions for the
324                                          * adapter hardware to use when frames
325                                          * are copied for forwarding.
326                                          * S: completion. (reject:
327                                          * COMMAND_REJECT)
328                                          */
329 #define CONFIG_BRIDGE_PARMS     0x1100  /* C: ..
330                                          * S: completion. (reject:
331                                          * COMMAND_REJECT)
332                                          */
333
334 #define SPEED_4                 4
335 #define SPEED_16                16      /* Default transmission speed  */
336
337
338 /* Initialization Parameter Block (IPB); word alignment necessary! */
339 #define BURST_SIZE      0x0018  /* Default burst size */
340 #define BURST_MODE      0x9F00  /* Burst mode enable */
341 #define DMA_RETRIES     0x0505  /* Magic DMA retry number... */
342
343 #define CYCLE_TIME      3       /* Default AT-bus cycle time: 500 ns
344                                  * (later adapter version: fix  cycle time!)
345                                  */
346 #define LINE_SPEED_BIT  0x80
347
348 /* Macro definition for the wait function. */
349 #define ONE_SECOND_TICKS        1000000
350 #define HALF_SECOND             (ONE_SECOND_TICKS / 2)
351 #define ONE_SECOND              (ONE_SECOND_TICKS)
352 #define TWO_SECONDS             (ONE_SECOND_TICKS * 2)
353 #define THREE_SECONDS           (ONE_SECOND_TICKS * 3)
354 #define FOUR_SECONDS            (ONE_SECOND_TICKS * 4)
355 #define FIVE_SECONDS            (ONE_SECOND_TICKS * 5)
356
357 #define BUFFER_SIZE             2048    /* Buffers on Adapter */
358
359 #pragma pack(1)
360 typedef struct {
361         unsigned short Init_Options;    /* Initialize with burst mode;
362                                          * LLC disabled. (MAC only)
363                                          */
364
365         /* Interrupt vectors the adapter places on attached system bus. */
366         u_int8_t  CMD_Status_IV;    /* Interrupt vector: command status. */
367         u_int8_t  TX_IV;            /* Interrupt vector: transmit. */
368         u_int8_t  RX_IV;            /* Interrupt vector: receive. */
369         u_int8_t  Ring_Status_IV;   /* Interrupt vector: ring status. */
370         u_int8_t  SCB_Clear_IV;     /* Interrupt vector: SCB clear. */
371         u_int8_t  Adapter_CHK_IV;   /* Interrupt vector: adapter check. */
372
373         u_int16_t RX_Burst_Size;    /* Max. number of transfer cycles. */
374         u_int16_t TX_Burst_Size;    /* During DMA burst; even value! */
375         u_int16_t DMA_Abort_Thrhld; /* Number of DMA retries. */
376
377         u_int32_t SCB_Addr;   /* SCB address: even, word aligned, high-low */
378         u_int32_t SSB_Addr;   /* SSB address: even, word aligned, high-low */
379 } IPB, *IPB_Ptr;
380 #pragma pack()
381
382 /*
383  * OPEN Command Parameter List (OCPL) (can be reused, if the adapter has to
384  * be reopened)
385  */
386 #define BUFFER_SIZE     2048            /* Buffers on Adapter. */
387 #define TPL_SIZE        8+6*TX_FRAG_NUM /* Depending on fragments per TPL. */
388 #define RPL_SIZE        14              /* (with TI firmware v2.26 handling
389                                          * up to nine fragments possible)
390                                          */
391 #define TX_BUF_MIN      20              /* ??? (Stephan: calculation with */
392 #define TX_BUF_MAX      40              /* BUFFER_SIZE and MAX_FRAME_SIZE) ??? 
393                                          */
394 #define DISABLE_EARLY_TOKEN_RELEASE     0x1000
395
396 /* OPEN Options (high-low) */
397 #define WRAP_INTERFACE          0x0080  /* Inserting omitted for test
398                                          * purposes; transmit data appears
399                                          * as receive data. (useful for
400                                          * testing; change: CLOSE necessary)
401                                          */
402 #define DISABLE_HARD_ERROR      0x0040  /* On HARD_ERROR & TRANSMIT_BEACON
403                                          * no RING.STATUS interrupt.
404                                          */
405 #define DISABLE_SOFT_ERROR      0x0020  /* On SOFT_ERROR, no RING.STATUS
406                                          * interrupt.
407                                          */
408 #define PASS_ADAPTER_MAC_FRAMES 0x0010  /* Passing unsupported MAC frames
409                                          * to system.
410                                          */
411 #define PASS_ATTENTION_FRAMES   0x0008  /* All changed attention MAC frames are
412                                          * passed to the system.
413                                          */
414 #define PAD_ROUTING_FIELD       0x0004  /* Routing field is padded to 18
415                                          * bytes.
416                                          */
417 #define FRAME_HOLD              0x0002  /*Adapter waits for entire frame before
418                                          * initiating DMA transfer; otherwise:
419                                          * DMA transfer initiation if internal
420                                          * buffer filled.
421                                          */
422 #define CONTENDER               0x0001  /* Adapter participates in the monitor
423                                          * contention process.
424                                          */
425 #define PASS_BEACON_MAC_FRAMES  0x8000  /* Adapter passes beacon MAC frames
426                                          * to the system.
427                                          */
428 #define EARLY_TOKEN_RELEASE     0x1000  /* Only valid in 16 Mbps operation;
429                                          * 0 = ETR. (no effect in 4 Mbps
430                                          * operation)
431                                          */
432 #define COPY_ALL_MAC_FRAMES     0x0400  /* All MAC frames are copied to
433                                          * the system. (after OPEN: duplicate
434                                          * address test (DAT) MAC frame is 
435                                          * first received frame copied to the
436                                          * system)
437                                          */
438 #define COPY_ALL_NON_MAC_FRAMES 0x0200  /* All non MAC frames are copied to
439                                          * the system.
440                                          */
441 #define PASS_FIRST_BUF_ONLY     0x0100  /* Passes only first internal buffer
442                                          * of each received frame; FrameSize
443                                          * of RPLs must contain internal
444                                          * BUFFER_SIZE bits for promiscous mode.
445                                          */
446 #define ENABLE_FULL_DUPLEX_SELECTION    0x2000 
447                                         /* Enable the use of full-duplex
448                                          * settings with bits in byte 22 in
449                                          * ocpl. (new feature in firmware
450                                          * version 3.09)
451                                          */
452
453 /* Full-duplex settings */
454 #define OPEN_FULL_DUPLEX_OFF    0x0000
455 #define OPEN_FULL_DUPLEX_ON     0x00c0
456 #define OPEN_FULL_DUPLEX_AUTO   0x0080
457
458 #define PROD_ID_SIZE    18      /* Length of product ID. */
459
460 #define TX_FRAG_NUM     3        /* Number of fragments used in one TPL. */
461 #define TX_MORE_FRAGMENTS 0x8000 /* Bit set in DataCount to indicate more
462                                   * fragments following.
463                                   */
464
465 /* XXX is there some better way to do this? */
466 #define ISA_MAX_ADDRESS         0x00ffffff
467 #define PCI_MAX_ADDRESS         0xffffffff
468
469 #pragma pack(1)
470 typedef struct {
471         u_int16_t OPENOptions;
472         u_int8_t  NodeAddr[6];  /* Adapter node address; use ROM 
473                                  * address
474                                  */
475         u_int32_t GroupAddr;    /* Multicast: high order
476                                  * bytes = 0xC000
477                                  */
478         u_int32_t FunctAddr;    /* High order bytes = 0xC000 */
479         __be16 RxListSize;      /* RPL size: 0 (=26), 14, 20 or
480                                  * 26 bytes read by the adapter.
481                                  * (Depending on the number of 
482                                  * fragments/list)
483                                  */
484         __be16 TxListSize;      /* TPL size */
485         __be16 BufSize;         /* Is automatically rounded up to the
486                                  * nearest nK boundary.
487                                  */
488         u_int16_t FullDuplex;
489         u_int16_t Reserved;
490         u_int8_t  TXBufMin;     /* Number of adapter buffers reserved
491                                  * for transmission a minimum of 2
492                                  * buffers must be allocated.
493                                  */
494         u_int8_t  TXBufMax;     /* Maximum number of adapter buffers
495                                  * for transmit; a minimum of 2 buffers
496                                  * must be available for receive.
497                                  * Default: 6
498                                  */
499         u_int16_t ProdIDAddr[2];/* Pointer to product ID. */
500 } OPB, *OPB_Ptr;
501 #pragma pack()
502
503 /*
504  * SCB: adapter commands enabled by the host system started by writing
505  * CMD_INTERRUPT_ADAPTER | CMD_EXECUTE (|SCB_REQUEST) to the SIFCMD IO
506  * register. (special case: | CMD_SYSTEM_IRQ for initialization)
507  */
508 #pragma pack(1)
509 typedef struct {
510         u_int16_t CMD;          /* Command code */
511         u_int16_t Parm[2];      /* Pointer to Command Parameter Block */
512 } SCB;  /* System Command Block (32 bit physical address; big endian)*/
513 #pragma pack()
514
515 /*
516  * SSB: adapter command return status can be evaluated after COMMAND_STATUS
517  * adapter to system interrupt after reading SSB, the availability of the SSB
518  * has to be told the adapter by writing CMD_INTERRUPT_ADAPTER | CMD_SSB_CLEAR
519  * in the SIFCMD IO register.
520  */
521 #pragma pack(1)
522 typedef struct {
523         u_int16_t STS;          /* Status code */
524         u_int16_t Parm[3];      /* Parameter or pointer to Status Parameter
525                                  * Block.
526                                  */
527 } SSB;  /* System Status Block (big endian - physical address)  */
528 #pragma pack()
529
530 typedef struct {
531         unsigned short BurnedInAddrPtr; /* Pointer to adapter burned in
532                                          * address. (BIA)
533                                          */
534         unsigned short SoftwareLevelPtr;/* Pointer to software level data. */
535         unsigned short AdapterAddrPtr;  /* Pointer to adapter addresses. */
536         unsigned short AdapterParmsPtr; /* Pointer to adapter parameters. */
537         unsigned short MACBufferPtr;    /* Pointer to MAC buffer. (internal) */
538         unsigned short LLCCountersPtr;  /* Pointer to LLC counters.  */
539         unsigned short SpeedFlagPtr;    /* Pointer to data rate flag.
540                                          * (4/16 Mbps)
541                                          */
542         unsigned short AdapterRAMPtr;   /* Pointer to adapter RAM found. (KB) */
543 } INTPTRS;      /* Adapter internal pointers */
544
545 #pragma pack(1)
546 typedef struct {
547         u_int8_t  Line_Error;           /* Line error: code violation in
548                                          * frame or in a token, or FCS error.
549                                          */
550         u_int8_t  Internal_Error;       /* IBM specific. (Reserved_1) */
551         u_int8_t  Burst_Error;
552         u_int8_t  ARI_FCI_Error;        /* ARI/FCI bit zero in AMP or
553                                          * SMP MAC frame.
554                                          */
555         u_int8_t  AbortDelimeters;      /* IBM specific. (Reserved_2) */
556         u_int8_t  Reserved_3;
557         u_int8_t  Lost_Frame_Error;     /* Receive of end of transmitted
558                                          * frame failed.
559                                          */
560         u_int8_t  Rx_Congest_Error;     /* Adapter in repeat mode has not
561                                          * enough buffer space to copy incoming
562                                          * frame.
563                                          */
564         u_int8_t  Frame_Copied_Error;   /* ARI bit not zero in frame
565                                          * addressed to adapter.
566                                          */
567         u_int8_t  Frequency_Error;      /* IBM specific. (Reserved_4) */
568         u_int8_t  Token_Error;          /* (active only in monitor station) */
569         u_int8_t  Reserved_5;
570         u_int8_t  DMA_Bus_Error;        /* DMA bus errors not exceeding the
571                                          * abort thresholds.
572                                          */
573         u_int8_t  DMA_Parity_Error;     /* DMA parity errors not exceeding
574                                          * the abort thresholds.
575                                          */
576 } ERRORTAB;     /* Adapter error counters */
577 #pragma pack()
578
579
580 /*--------------------- Send and Receive definitions -------------------*/
581 #pragma pack(1)
582 typedef struct {
583         __be16 DataCount;       /* Value 0, even and odd values are
584                                  * permitted; value is unaltered most
585                                  * significant bit set: following
586                                  * fragments last fragment: most
587                                  * significant bit is not evaluated.
588                                  * (???)
589                                  */
590         __be32 DataAddr;        /* Pointer to frame data fragment;
591                                  * even or odd.
592                                  */
593 } Fragment;
594 #pragma pack()
595
596 #define MAX_FRAG_NUMBERS    9   /* Maximal number of fragments possible to use
597                                  * in one RPL/TPL. (depending on TI firmware 
598                                  * version)
599                                  */
600
601 /*
602  * AC (1), FC (1), Dst (6), Src (6), RIF (18), Data (4472) = 4504
603  * The packet size can be one of the follows: 548, 1502, 2084, 4504, 8176,
604  * 11439, 17832. Refer to TMS380 Second Generation Token Ring User's Guide
605  * Page 2-27.
606  */
607 #define HEADER_SIZE             (1 + 1 + 6 + 6)
608 #define SRC_SIZE                18
609 #define MIN_DATA_SIZE           516
610 #define DEFAULT_DATA_SIZE       4472
611 #define MAX_DATA_SIZE           17800
612
613 #define DEFAULT_PACKET_SIZE (HEADER_SIZE + SRC_SIZE + DEFAULT_DATA_SIZE)
614 #define MIN_PACKET_SIZE     (HEADER_SIZE + SRC_SIZE + MIN_DATA_SIZE)
615 #define MAX_PACKET_SIZE     (HEADER_SIZE + SRC_SIZE + MAX_DATA_SIZE)
616
617 /*
618  * Macros to deal with the frame status field.
619  */
620 #define AC_NOT_RECOGNIZED       0x00
621 #define GROUP_BIT               0x80
622 #define GET_TRANSMIT_STATUS_HIGH_BYTE(Ts) ((unsigned char)((Ts) >> 8))
623 #define GET_FRAME_STATUS_HIGH_AC(Fs)      ((unsigned char)(((Fs) & 0xC0) >> 6))
624 #define GET_FRAME_STATUS_LOW_AC(Fs)       ((unsigned char)(((Fs) & 0x0C) >> 2))
625 #define DIRECTED_FRAME(Context)           (!((Context)->MData[2] & GROUP_BIT))
626
627
628 /*--------------------- Send Functions ---------------------------------*/
629 /* define TX_CSTAT _REQUEST (R) and _COMPLETE (C) values (high-low) */
630
631 #define TX_VALID                0x0080  /* R: set via TRANSMIT.VALID interrupt.
632                                          * C: always reset to zero!
633                                          */
634 #define TX_FRAME_COMPLETE       0x0040  /* R: must be reset to zero.
635                                          * C: set to one.
636                                          */
637 #define TX_START_FRAME          0x0020  /* R: start of a frame: 1 
638                                          * C: unchanged.
639                                          */
640 #define TX_END_FRAME            0x0010  /* R: end of a frame: 1
641                                          * C: unchanged.
642                                          */
643 #define TX_FRAME_IRQ            0x0008  /* R: request interrupt generation
644                                          * after transmission.
645                                          * C: unchanged.
646                                          */
647 #define TX_ERROR                0x0004  /* R: reserved.
648                                          * C: set to one if Error occurred.
649                                          */
650 #define TX_INTERFRAME_WAIT      0x0004
651 #define TX_PASS_CRC             0x0002  /* R: set if CRC value is already
652                                          * calculated. (valid only in
653                                          * FRAME_START TPL)
654                                          * C: unchanged.
655                                          */
656 #define TX_PASS_SRC_ADDR        0x0001  /* R: adapter uses explicit frame
657                                          * source address and does not overwrite
658                                          * with the adapter node address.
659                                          * (valid only in FRAME_START TPL)
660                                          *
661                                          * C: unchanged.
662                                          */
663 #define TX_STRIP_FS             0xFF00  /* R: reserved.
664                                          * C: if no Transmission Error,
665                                          * field contains copy of FS byte after
666                                          * stripping of frame.
667                                          */
668
669 /*
670  * Structure of Transmit Parameter Lists (TPLs) (only one frame every TPL,
671  * but possibly multiple TPLs for one frame) the length of the TPLs has to be
672  * initialized in the OPL. (OPEN parameter list)
673  */
674 #define TPL_NUM         3       /* Number of Transmit Parameter Lists.
675                                  * !! MUST BE >= 3 !!
676                                  */
677
678 #pragma pack(1)
679 typedef struct s_TPL TPL;
680
681 struct s_TPL {  /* Transmit Parameter List (align on even word boundaries) */
682         __be32 NextTPLAddr;             /* Pointer to next TPL in chain; if
683                                          * pointer is odd: this is the last
684                                          * TPL. Pointing to itself can cause
685                                          * problems!
686                                          */
687         volatile u_int16_t Status;      /* Initialized by the adapter:
688                                          * CSTAT_REQUEST important: update least
689                                          * significant bit first! Set by the
690                                          * adapter: CSTAT_COMPLETE status.
691                                          */
692         __be16 FrameSize;               /* Number of bytes to be transmitted
693                                          * as a frame including AC/FC,
694                                          * Destination, Source, Routing field
695                                          * not including CRC, FS, End Delimiter
696                                          * (valid only if START_FRAME bit in 
697                                          * CSTAT nonzero) must not be zero in
698                                          * any list; maximum value: (BUFFER_SIZE
699                                          * - 8) * TX_BUF_MAX sum of DataCount
700                                          * values in FragmentList must equal
701                                          * Frame_Size value in START_FRAME TPL!
702                                          * frame data fragment list.
703                                          */
704
705         /* TPL/RPL size in OPEN parameter list depending on maximal
706          * numbers of fragments used in one parameter list.
707          */
708         Fragment FragList[TX_FRAG_NUM]; /* Maximum: nine frame fragments in one
709                                          * TPL actual version of firmware: 9
710                                          * fragments possible.
711                                          */
712 #pragma pack()
713
714         /* Special proprietary data and precalculations */
715
716         TPL *NextTPLPtr;                /* Pointer to next TPL in chain. */
717         unsigned char *MData;
718         struct sk_buff *Skb;
719         unsigned char TPLIndex;
720         volatile unsigned char BusyFlag;/* Flag: TPL busy? */
721         dma_addr_t DMABuff;             /* DMA IO bus address from dma_map */
722 };
723
724 /* ---------------------Receive Functions-------------------------------*
725  * define RECEIVE_CSTAT_REQUEST (R) and RECEIVE_CSTAT_COMPLETE (C) values.
726  * (high-low)
727  */
728 #define RX_VALID                0x0080  /* R: set; tell adapter with
729                                          * RECEIVE.VALID interrupt.
730                                          * C: reset to zero.
731                                          */
732 #define RX_FRAME_COMPLETE       0x0040  /* R: must be reset to zero,
733                                          * C: set to one.
734                                          */
735 #define RX_START_FRAME          0x0020  /* R: must be reset to zero.
736                                          * C: set to one on the list.
737                                          */
738 #define RX_END_FRAME            0x0010  /* R: must be reset to zero.
739                                          * C: set to one on the list
740                                          * that ends the frame.
741                                          */
742 #define RX_FRAME_IRQ            0x0008  /* R: request interrupt generation
743                                          * after receive.
744                                          * C: unchanged.
745                                          */
746 #define RX_INTERFRAME_WAIT      0x0004  /* R: after receiving a frame:
747                                          * interrupt and wait for a
748                                          * RECEIVE.CONTINUE.
749                                          * C: unchanged.
750                                          */
751 #define RX_PASS_CRC             0x0002  /* R: if set, the adapter includes
752                                          * the CRC in data passed. (last four 
753                                          * bytes; valid only if FRAME_START is
754                                          * set)
755                                          * C: set, if CRC is included in
756                                          * received data.
757                                          */
758 #define RX_PASS_SRC_ADDR        0x0001  /* R: adapter uses explicit frame
759                                          * source address and does not
760                                          * overwrite with the adapter node
761                                          * address. (valid only if FRAME_START
762                                          * is set)
763                                          * C: unchanged.
764                                          */
765 #define RX_RECEIVE_FS           0xFC00  /* R: reserved; must be reset to zero.
766                                          * C: on lists with START_FRAME, field
767                                          * contains frame status field from
768                                          * received frame; otherwise cleared.
769                                          */
770 #define RX_ADDR_MATCH           0x0300  /* R: reserved; must be reset to zero.
771                                          * C: address match code mask.
772                                          */ 
773 #define RX_STATUS_MASK          0x00FF  /* Mask for receive status bits. */
774
775 #define RX_INTERN_ADDR_MATCH    0x0100  /* C: internally address match. */
776 #define RX_EXTERN_ADDR_MATCH    0x0200  /* C: externally matched via
777                                          * XMATCH/XFAIL interface.
778                                          */
779 #define RX_INTEXT_ADDR_MATCH    0x0300  /* C: internally and externally
780                                          * matched.
781                                          */
782 #define RX_READY (RX_VALID | RX_FRAME_IRQ) /* Ready for receive. */
783
784 /* Constants for Command Status Interrupt.
785  * COMMAND_REJECT status field bit functions (SSB.Parm[0])
786  */
787 #define ILLEGAL_COMMAND         0x0080  /* Set if an unknown command
788                                          * is issued to the adapter
789                                          */
790 #define ADDRESS_ERROR           0x0040  /* Set if any address field in
791                                          * the SCB is odd. (not word aligned)
792                                          */
793 #define ADAPTER_OPEN            0x0020  /* Command issued illegal with
794                                          * open adapter.
795                                          */
796 #define ADAPTER_CLOSE           0x0010  /* Command issued illegal with
797                                          * closed adapter.
798                                          */
799 #define SAME_COMMAND            0x0008  /* Command issued with same command
800                                          * already executing.
801                                          */
802
803 /* OPEN_COMPLETION values (SSB.Parm[0], MSB) */
804 #define NODE_ADDR_ERROR         0x0040  /* Wrong address or BIA read
805                                          * zero address.
806                                          */
807 #define LIST_SIZE_ERROR         0x0020  /* If List_Size value not in 0,
808                                          * 14, 20, 26.
809                                          */
810 #define BUF_SIZE_ERROR          0x0010  /* Not enough available memory for
811                                          * two buffers.
812                                          */
813 #define TX_BUF_COUNT_ERROR      0x0004  /* Remaining receive buffers less than
814                                          * two.
815                                          */
816 #define OPEN_ERROR              0x0002  /* Error during ring insertion; more
817                                          * information in bits 8-15.
818                                          */
819
820 /* Standard return codes */
821 #define GOOD_COMPLETION         0x0080  /* =OPEN_SUCCESSFULL */
822 #define INVALID_OPEN_OPTION     0x0001  /* OPEN options are not supported by
823                                          * the adapter.
824                                          */
825
826 /* OPEN phases; details of OPEN_ERROR (SSB.Parm[0], LSB)            */
827 #define OPEN_PHASES_MASK            0xF000  /* Check only the bits 8-11. */
828 #define LOBE_MEDIA_TEST             0x1000
829 #define PHYSICAL_INSERTION          0x2000
830 #define ADDRESS_VERIFICATION        0x3000
831 #define PARTICIPATION_IN_RING_POLL  0x4000
832 #define REQUEST_INITIALISATION      0x5000
833 #define FULLDUPLEX_CHECK            0x6000
834
835 /* OPEN error codes; details of OPEN_ERROR (SSB.Parm[0], LSB) */
836 #define OPEN_ERROR_CODES_MASK   0x0F00  /* Check only the bits 12-15. */
837 #define OPEN_FUNCTION_FAILURE   0x0100  /* Unable to transmit to itself or
838                                          * frames received before insertion.
839                                          */
840 #define OPEN_SIGNAL_LOSS        0x0200  /* Signal loss condition detected at
841                                          * receiver.
842                                          */
843 #define OPEN_TIMEOUT            0x0500  /* Insertion timer expired before
844                                          * logical insertion.
845                                          */
846 #define OPEN_RING_FAILURE       0x0600  /* Unable to receive own ring purge
847                                          * MAC frames.
848                                          */
849 #define OPEN_RING_BEACONING     0x0700  /* Beacon MAC frame received after
850                                          * ring insertion.
851                                          */
852 #define OPEN_DUPLICATE_NODEADDR 0x0800  /* Other station in ring found
853                                          * with the same address.
854                                          */
855 #define OPEN_REQUEST_INIT       0x0900  /* RPS present but does not respond. */
856 #define OPEN_REMOVE_RECEIVED    0x0A00  /* Adapter received a remove adapter
857                                          * MAC frame.
858                                          */
859 #define OPEN_FULLDUPLEX_SET     0x0D00  /* Got this with full duplex on when
860                                          * trying to connect to a normal ring.
861                                          */
862
863 /* SET_BRIDGE_PARMS return codes: */
864 #define BRIDGE_INVALID_MAX_LEN  0x4000  /* MAX_ROUTING_FIELD_LENGTH odd,
865                                          * less than 6 or > 30.
866                                          */
867 #define BRIDGE_INVALID_SRC_RING 0x2000  /* SOURCE_RING number zero, too large
868                                          * or = TARGET_RING.
869                                          */
870 #define BRIDGE_INVALID_TRG_RING 0x1000  /* TARGET_RING number zero, too large
871                                          * or = SOURCE_RING.
872                                          */
873 #define BRIDGE_INVALID_BRDGE_NO 0x0800  /* BRIDGE_NUMBER too large. */
874 #define BRIDGE_INVALID_OPTIONS  0x0400  /* Invalid bridge options. */
875 #define BRIDGE_DIAGS_FAILED     0x0200  /* Diagnostics of TMS380SRA failed. */
876 #define BRIDGE_NO_SRA           0x0100  /* The TMS380SRA does not exist in HW
877                                          * configuration.
878                                          */
879
880 /*
881  * Bring Up Diagnostics error codes.
882  */
883 #define BUD_INITIAL_ERROR       0x0
884 #define BUD_CHECKSUM_ERROR      0x1
885 #define BUD_ADAPTER_RAM_ERROR   0x2
886 #define BUD_INSTRUCTION_ERROR   0x3
887 #define BUD_CONTEXT_ERROR       0x4
888 #define BUD_PROTOCOL_ERROR      0x5
889 #define BUD_INTERFACE_ERROR     0x6
890
891 /* BUD constants */
892 #define BUD_MAX_RETRIES         3
893 #define BUD_MAX_LOOPCNT         6
894 #define BUD_TIMEOUT             3000
895
896 /* Initialization constants */
897 #define INIT_MAX_RETRIES        3       /* Maximum three retries. */
898 #define INIT_MAX_LOOPCNT        22      /* Maximum loop counts. */
899
900 /* RING STATUS field values (high/low) */
901 #define SIGNAL_LOSS             0x0080  /* Loss of signal on the ring
902                                          * detected.
903                                          */
904 #define HARD_ERROR              0x0040  /* Transmitting or receiving beacon
905                                          * frames.
906                                          */
907 #define SOFT_ERROR              0x0020  /* Report error MAC frame
908                                          * transmitted.
909                                          */
910 #define TRANSMIT_BEACON         0x0010  /* Transmitting beacon frames on the
911                                          * ring.
912                                          */
913 #define LOBE_WIRE_FAULT         0x0008  /* Open or short circuit in the
914                                          * cable to concentrator; adapter
915                                          * closed.
916                                          */
917 #define AUTO_REMOVAL_ERROR      0x0004  /* Lobe wrap test failed, deinserted;
918                                          * adapter closed.
919                                          */
920 #define REMOVE_RECEIVED         0x0001  /* Received a remove ring station MAC
921                                          * MAC frame request; adapter closed.
922                                          */
923 #define COUNTER_OVERFLOW        0x8000  /* Overflow of one of the adapters
924                                          * error counters; READ.ERROR.LOG.
925                                          */
926 #define SINGLE_STATION          0x4000  /* Adapter is the only station on the
927                                          * ring.
928                                          */
929 #define RING_RECOVERY           0x2000  /* Claim token MAC frames on the ring;
930                                          * reset after ring purge frame.
931                                          */
932
933 #define ADAPTER_CLOSED (LOBE_WIRE_FAULT | AUTO_REMOVAL_ERROR |\
934                         REMOVE_RECEIVED)
935
936 /* Adapter_check_block.Status field bit assignments: */
937 #define DIO_PARITY              0x8000  /* Adapter detects bad parity
938                                          * through direct I/O access.
939                                          */
940 #define DMA_READ_ABORT          0x4000  /* Aborting DMA read operation
941                                          * from system Parm[0]: 0=timeout,
942                                          * 1=parity error, 2=bus error;
943                                          * Parm[1]: 32 bit pointer to host
944                                          * system address at failure.
945                                          */
946 #define DMA_WRITE_ABORT         0x2000  /* Aborting DMA write operation
947                                          * to system. (parameters analogous to
948                                          * DMA_READ_ABORT)
949                                          */
950 #define ILLEGAL_OP_CODE         0x1000  /* Illegal operation code in the
951                                          * the adapters firmware Parm[0]-2:
952                                          * communications processor registers
953                                          * R13-R15.
954                                          */
955 #define PARITY_ERRORS           0x0800  /* Adapter detects internal bus
956                                          * parity error.
957                                          */
958 #define RAM_DATA_ERROR          0x0080  /* Valid only during RAM testing;
959                                          * RAM data error Parm[0-1]: 32 bit
960                                          * pointer to RAM location.
961                                          */
962 #define RAM_PARITY_ERROR        0x0040  /* Valid only during RAM testing;
963                                          * RAM parity error Parm[0-1]: 32 bit
964                                          * pointer to RAM location.
965                                          */
966 #define RING_UNDERRUN           0x0020  /* Internal DMA underrun when
967                                          * transmitting onto ring.
968                                          */
969 #define INVALID_IRQ             0x0008  /* Unrecognized interrupt generated
970                                          * internal to adapter Parm[0-2]:
971                                          * adapter register R13-R15.
972                                          */
973 #define INVALID_ERROR_IRQ       0x0004  /* Unrecognized error interrupt
974                                          * generated Parm[0-2]: adapter register
975                                          * R13-R15.
976                                          */
977 #define INVALID_XOP             0x0002  /* Unrecognized XOP request in
978                                          * communication processor Parm[0-2]:
979                                          * adapter register R13-R15.
980                                          */
981 #define CHECKADDR               0x05E0  /* Adapter check status information
982                                          * address offset.
983                                          */
984 #define ROM_PAGE_0              0x0000  /* Adapter ROM page 0. */
985
986 /*
987  * RECEIVE.STATUS interrupt result SSB values: (high-low)
988  * (RECEIVE_COMPLETE field bit definitions in SSB.Parm[0])
989  */
990 #define RX_COMPLETE             0x0080  /* SSB.Parm[0]; SSB.Parm[1]: 32
991                                          * bit pointer to last RPL.
992                                          */
993 #define RX_SUSPENDED            0x0040  /* SSB.Parm[0]; SSB.Parm[1]: 32
994                                          * bit pointer to RPL with odd
995                                          * forward pointer.
996                                          */
997
998 /* Valid receive CSTAT: */
999 #define RX_FRAME_CONTROL_BITS (RX_VALID | RX_START_FRAME | RX_END_FRAME | \
1000                                RX_FRAME_COMPLETE)
1001 #define VALID_SINGLE_BUFFER_FRAME (RX_START_FRAME | RX_END_FRAME | \
1002                                    RX_FRAME_COMPLETE)
1003
1004 typedef enum SKB_STAT SKB_STAT;
1005 enum SKB_STAT {
1006         SKB_UNAVAILABLE,
1007         SKB_DMA_DIRECT,
1008         SKB_DATA_COPY
1009 };
1010
1011 /* Receive Parameter List (RPL) The length of the RPLs has to be initialized 
1012  * in the OPL. (OPEN parameter list)
1013  */
1014 #define RPL_NUM         3
1015
1016 #define RX_FRAG_NUM     1       /* Maximal number of used fragments in one RPL.
1017                                  * (up to firmware v2.24: 3, now: up to 9)
1018                                  */
1019
1020 #pragma pack(1)
1021 typedef struct s_RPL RPL;
1022 struct s_RPL {  /* Receive Parameter List */
1023         __be32 NextRPLAddr;             /* Pointer to next RPL in chain
1024                                          * (normalized = physical 32 bit
1025                                          * address) if pointer is odd: this
1026                                          * is last RPL. Pointing to itself can
1027                                          * cause problems!
1028                                          */
1029         volatile u_int16_t Status;      /* Set by creation of Receive Parameter
1030                                          * List RECEIVE_CSTAT_COMPLETE set by
1031                                          * adapter in lists that start or end
1032                                          * a frame.
1033                                          */
1034         volatile __be16 FrameSize;       /* Number of bytes received as a
1035                                          * frame including AC/FC, Destination,
1036                                          * Source, Routing field not including 
1037                                          * CRC, FS (Frame Status), End Delimiter
1038                                          * (valid only if START_FRAME bit in 
1039                                          * CSTAT nonzero) must not be zero in
1040                                          * any list; maximum value: (BUFFER_SIZE
1041                                          * - 8) * TX_BUF_MAX sum of DataCount
1042                                          * values in FragmentList must equal
1043                                          * Frame_Size value in START_FRAME TPL!
1044                                          * frame data fragment list
1045                                          */
1046
1047         /* TPL/RPL size in OPEN parameter list depending on maximal numbers
1048          * of fragments used in one parameter list.
1049          */
1050         Fragment FragList[RX_FRAG_NUM]; /* Maximum: nine frame fragments in
1051                                          * one TPL. Actual version of firmware:
1052                                          * 9 fragments possible.
1053                                          */
1054 #pragma pack()
1055
1056         /* Special proprietary data and precalculations. */
1057         RPL *NextRPLPtr;        /* Logical pointer to next RPL in chain. */
1058         unsigned char *MData;
1059         struct sk_buff *Skb;
1060         SKB_STAT SkbStat;
1061         int RPLIndex;
1062         dma_addr_t DMABuff;             /* DMA IO bus address from dma_map */
1063 };
1064
1065 /* Information that need to be kept for each board. */
1066 typedef struct net_local {
1067 #pragma pack(1)
1068         IPB ipb;        /* Initialization Parameter Block. */
1069         SCB scb;        /* System Command Block: system to adapter 
1070                          * communication.
1071                          */
1072         SSB ssb;        /* System Status Block: adapter to system 
1073                          * communication.
1074                          */
1075         OPB ocpl;       /* Open Options Parameter Block. */
1076
1077         ERRORTAB errorlogtable; /* Adapter statistic error counters.
1078                                  * (read from adapter memory)
1079                                  */
1080         unsigned char ProductID[PROD_ID_SIZE + 1]; /* Product ID */
1081 #pragma pack()
1082
1083         TPL Tpl[TPL_NUM];
1084         TPL *TplFree;
1085         TPL *TplBusy;
1086         unsigned char LocalTxBuffers[TPL_NUM][DEFAULT_PACKET_SIZE];
1087
1088         RPL Rpl[RPL_NUM];
1089         RPL *RplHead;
1090         RPL *RplTail;
1091         unsigned char LocalRxBuffers[RPL_NUM][DEFAULT_PACKET_SIZE];
1092
1093         struct device *pdev;
1094         int DataRate;
1095         unsigned char ScbInUse;
1096         unsigned short CMDqueue;
1097
1098         unsigned long AdapterOpenFlag:1;
1099         unsigned long AdapterVirtOpenFlag:1;
1100         unsigned long OpenCommandIssued:1;
1101         unsigned long TransmitCommandActive:1;
1102         unsigned long TransmitHaltScheduled:1;
1103         unsigned long HaltInProgress:1;
1104         unsigned long LobeWireFaultLogged:1;
1105         unsigned long ReOpenInProgress:1;
1106         unsigned long Sleeping:1;
1107
1108         unsigned long LastOpenStatus;
1109         unsigned short CurrentRingStatus;
1110         unsigned long MaxPacketSize;
1111         
1112         unsigned long StartTime;
1113         unsigned long LastSendTime;
1114
1115         struct tr_statistics MacStat;   /* MAC statistics structure */
1116
1117         unsigned long dmalimit; /* the max DMA address (ie, ISA) */
1118         dma_addr_t    dmabuffer; /* the DMA bus address corresponding to
1119                                     priv. Might be different from virt_to_bus()
1120                                     for architectures with IO MMU (Alpha) */
1121
1122         struct timer_list timer;
1123
1124         wait_queue_head_t  wait_for_tok_int;
1125
1126         INTPTRS intptrs;        /* Internal adapter pointer. Must be read
1127                                  * before OPEN command.
1128                                  */
1129         unsigned short (*setnselout)(struct net_device *);
1130         unsigned short (*sifreadb)(struct net_device *, unsigned short);
1131         void (*sifwriteb)(struct net_device *, unsigned short, unsigned short);
1132         unsigned short (*sifreadw)(struct net_device *, unsigned short);
1133         void (*sifwritew)(struct net_device *, unsigned short, unsigned short);
1134
1135         spinlock_t lock;                /* SMP protection */
1136         void *tmspriv;
1137 } NET_LOCAL;
1138
1139 #endif  /* __KERNEL__ */
1140 #endif  /* __LINUX_TMS380TR_H */