1 /* 2 * tms380tr.h: TI TMS380 Token Ring driver for Linux 3 * 4 * Authors: 5 * - Christoph Goos <cgoos@syskonnect.de> 6 * - Adam Fritzler <mid@auk.cx> 7 */ 8 9 #ifndef __LINUX_TMS380TR_H 10 #define __LINUX_TMS380TR_H 11 12 #ifdef __KERNEL__ 13 14 /* module prototypes */ 15 int tms380tr_open(struct net_device *dev); 16 int tms380tr_close(struct net_device *dev); 17 void tms380tr_interrupt(int irq, void *dev_id, struct pt_regs *regs); 18 int tmsdev_init(struct net_device *dev, unsigned long dmalimit, 19 struct pci_dev *pdev); 20 void tmsdev_term(struct net_device *dev); 21 void tms380tr_wait(unsigned long time); 22 23 #define TMS380TR_MAX_ADAPTERS 7 24 25 #define SEND_TIMEOUT 10*HZ 26 27 #define TR_RCF_LONGEST_FRAME_MASK 0x0070 28 #define TR_RCF_FRAME4K 0x0030 29 30 /*------------------------------------------------------------------*/ 31 /* Bit order for adapter communication with DMA */ 32 /* -------------------------------------------------------------- */ 33 /* Bit 8 | 9| 10| 11|| 12| 13| 14| 15|| 0| 1| 2| 3|| 4| 5| 6| 7| */ 34 /* -------------------------------------------------------------- */ 35 /* The bytes in a word must be byte swapped. Also, if a double */ 36 /* word is used for storage, then the words, as well as the bytes, */ 37 /* must be swapped. */ 38 /* Bit order for adapter communication with DIO */ 39 /* -------------------------------------------------------------- */ 40 /* Bit 0 | 1| 2| 3|| 4| 5| 6| 7|| 8| 9| 10| 11|| 12| 13| 14| 15| */ 41 /* -------------------------------------------------------------- */ 42 /*------------------------------------------------------------------*/ 43 44 /* Swap words of a long. */ 45 #define SWAPW(x) (((x) << 16) | ((x) >> 16)) 46 47 /* Get the low byte of a word. */ 48 #define LOBYTE(w) ((unsigned char)(w)) 49 50 /* Get the high byte of a word. */ 51 #define HIBYTE(w) ((unsigned char)((unsigned short)(w) >> 8)) 52 53 /* Get the low word of a long. */ 54 #define LOWORD(l) ((unsigned short)(l)) 55 56 /* Get the high word of a long. */ 57 #define HIWORD(l) ((unsigned short)((unsigned long)(l) >> 16)) 58 59 60 61 /* Token ring adapter I/O addresses for normal mode. */ 62 63 /* 64 * The SIF registers. Common to all adapters. 65 */ 66 /* Basic SIF (SRSX = 0) */ 67 #define SIFDAT 0x00 /* SIF/DMA data. */ 68 #define SIFINC 0x02 /* IO Word data with auto increment. */ 69 #define SIFINH 0x03 /* IO Byte data with auto increment. */ 70 #define SIFADR 0x04 /* SIF/DMA Address. */ 71 #define SIFCMD 0x06 /* SIF Command. */ 72 #define SIFSTS 0x06 /* SIF Status. */ 73 74 /* "Extended" SIF (SRSX = 1) */ 75 #define SIFACL 0x08 /* SIF Adapter Control Register. */ 76 #define SIFADD 0x0a /* SIF/DMA Address. -- 0x0a */ 77 #define SIFADX 0x0c /* 0x0c */ 78 #define DMALEN 0x0e /* SIF DMA length. -- 0x0e */ 79 80 /* 81 * POS Registers. Only for ISA Adapters. 82 */ 83 #define POSREG 0x10 /* Adapter Program Option Select (POS) 84 * Register: base IO address + 16 byte. 85 */ 86 #define POSREG_2 24L /* only for TR4/16+ adapter 87 * base IO address + 24 byte. -- 0x18 88 */ 89 90 /* SIFCMD command codes (high-low) */ 91 #define CMD_INTERRUPT_ADAPTER 0x8000 /* Cause internal adapter interrupt */ 92 #define CMD_ADAPTER_RESET 0x4000 /* Hardware reset of adapter */ 93 #define CMD_SSB_CLEAR 0x2000 /* Acknowledge to adapter to 94 * system interrupts. 95 */ 96 #define CMD_EXECUTE 0x1000 /* Execute SCB command */ 97 #define CMD_SCB_REQUEST 0x0800 /* Request adapter to interrupt 98 * system when SCB is available for 99 * another command. 100 */ 101 #define CMD_RX_CONTINUE 0x0400 /* Continue receive after odd pointer 102 * stop. (odd pointer receive method) 103 */ 104 #define CMD_RX_VALID 0x0200 /* Now actual RPL is valid. */ 105 #define CMD_TX_VALID 0x0100 /* Now actual TPL is valid. (valid 106 * bit receive/transmit method) 107 */ 108 #define CMD_SYSTEM_IRQ 0x0080 /* Adapter-to-attached-system 109 * interrupt is reset. 110 */ 111 #define CMD_CLEAR_SYSTEM_IRQ 0x0080 /* Clear SYSTEM_INTERRUPT bit. 112 * (write: 1=ignore, 0=reset) 113 */ 114 #define EXEC_SOFT_RESET 0xFF00 /* adapter soft reset. (restart 115 * adapter after hardware reset) 116 */ 117 118 119 /* ACL commands (high-low) */ 120 #define ACL_SWHLDA 0x0800 /* Software hold acknowledge. */ 121 #define ACL_SWDDIR 0x0400 /* Data transfer direction. */ 122 #define ACL_SWHRQ 0x0200 /* Pseudo DMA operation. */ 123 #define ACL_PSDMAEN 0x0100 /* Enable pseudo system DMA. */ 124 #define ACL_ARESET 0x0080 /* Adapter hardware reset command. 125 * (held in reset condition as 126 * long as bit is set) 127 */ 128 #define ACL_CPHALT 0x0040 /* Communication processor halt. 129 * (can only be set while ACL_ARESET 130 * bit is set; prevents adapter 131 * processor from executing code while 132 * downloading firmware) 133 */ 134 #define ACL_BOOT 0x0020 135 #define ACL_SINTEN 0x0008 /* System interrupt enable/disable 136 * (1/0): can be written if ACL_ARESET 137 * is zero. 138 */ 139 #define ACL_PEN 0x0004 140 141 #define ACL_NSELOUT0 0x0002 142 #define ACL_NSELOUT1 0x0001 /* NSELOUTx have a card-specific 143 * meaning for setting ring speed. 144 */ 145 146 #define PS_DMA_MASK (ACL_SWHRQ | ACL_PSDMAEN) 147 148 149 /* SIFSTS register return codes (high-low) */ 150 #define STS_SYSTEM_IRQ 0x0080 /* Adapter-to-attached-system 151 * interrupt is valid. 152 */ 153 #define STS_INITIALIZE 0x0040 /* INITIALIZE status. (ready to 154 * initialize) 155 */ 156 #define STS_TEST 0x0020 /* TEST status. (BUD not completed) */ 157 #define STS_ERROR 0x0010 /* ERROR status. (unrecoverable 158 * HW error occurred) 159 */ 160 #define STS_MASK 0x00F0 /* Mask interesting status bits. */ 161 #define STS_ERROR_MASK 0x000F /* Get Error Code by masking the 162 * interrupt code bits. 163 */ 164 #define ADAPTER_INT_PTRS 0x0A00 /* Address offset of adapter internal 165 * pointers 01:0a00 (high-low) have to 166 * be read after init and before open. 167 */ 168 169 170 /* Interrupt Codes (only MAC IRQs) */ 171 #define STS_IRQ_ADAPTER_CHECK 0x0000 /* unrecoverable hardware or 172 * software error. 173 */ 174 #define STS_IRQ_RING_STATUS 0x0004 /* SSB is updated with ring status. */ 175 #define STS_IRQ_LLC_STATUS 0x0005 /* Not used in MAC-only microcode */ 176 #define STS_IRQ_SCB_CLEAR 0x0006 /* SCB clear, following an 177 * SCB_REQUEST IRQ. 178 */ 179 #define STS_IRQ_TIMER 0x0007 /* Not normally used in MAC ucode */ 180 #define STS_IRQ_COMMAND_STATUS 0x0008 /* SSB is updated with command 181 * status. 182 */ 183 #define STS_IRQ_RECEIVE_STATUS 0x000A /* SSB is updated with receive 184 * status. 185 */ 186 #define STS_IRQ_TRANSMIT_STATUS 0x000C /* SSB is updated with transmit 187 * status 188 */ 189 #define STS_IRQ_RECEIVE_PENDING 0x000E /* Not used in MAC-only microcode */ 190 #define STS_IRQ_MASK 0x000F /* = STS_ERROR_MASK. */ 191 192 193 /* TRANSMIT_STATUS completion code: (SSB.Parm[0]) */ 194 #define COMMAND_COMPLETE 0x0080 /* TRANSMIT command completed 195 * (avoid this!) issue another transmit 196 * to send additional frames. 197 */ 198 #define FRAME_COMPLETE 0x0040 /* Frame has been transmitted; 199 * INTERRUPT_FRAME bit was set in the 200 * CSTAT request; indication of possibly 201 * more than one frame transmissions! 202 * SSB.Parm[0-1]: 32 bit pointer to 203 * TPL of last frame. 204 */ 205 #define LIST_ERROR 0x0020 /* Error in one of the TPLs that 206 * compose the frame; TRANSMIT 207 * terminated; Parm[1-2]: 32bit pointer 208 * to TPL which starts the error 209 * frame; error details in bits 8-13. 210 * (14?) 211 */ 212 #define FRAME_SIZE_ERROR 0x8000 /* FRAME_SIZE does not equal the sum of 213 * the valid DATA_COUNT fields; 214 * FRAME_SIZE less than header plus 215 * information field. (15 bytes + 216 * routing field) Or if FRAME_SIZE 217 * was specified as zero in one list. 218 */ 219 #define TX_THRESHOLD 0x4000 /* FRAME_SIZE greater than (BUFFER_SIZE 220 * - 9) * TX_BUF_MAX. 221 */ 222 #define ODD_ADDRESS 0x2000 /* Odd forward pointer value is 223 * read on a list without END_FRAME 224 * indication. 225 */ 226 #define FRAME_ERROR 0x1000 /* START_FRAME bit (not) anticipated, 227 * but (not) set. 228 */ 229 #define ACCESS_PRIORITY_ERROR 0x0800 /* Access priority requested has not 230 * been allowed. 231 */ 232 #define UNENABLED_MAC_FRAME 0x0400 /* MAC frame has source class of zero 233 * or MAC frame PCF ATTN field is 234 * greater than one. 235 */ 236 #define ILLEGAL_FRAME_FORMAT 0x0200 /* Bit 0 or FC field was set to one. */ 237 238 239 /* 240 * Since we need to support some functions even if the adapter is in a 241 * CLOSED state, we have a (pseudo-) command queue which holds commands 242 * that are outstandig to be executed. 243 * 244 * Each time a command completes, an interrupt occurs and the next 245 * command is executed. The command queue is actually a simple word with 246 * a bit for each outstandig command. Therefore the commands will not be 247 * executed in the order they have been queued. 248 * 249 * The following defines the command code bits and the command queue: 250 */ 251 #define OC_OPEN 0x0001 /* OPEN command */ 252 #define OC_TRANSMIT 0x0002 /* TRANSMIT command */ 253 #define OC_TRANSMIT_HALT 0x0004 /* TRANSMIT_HALT command */ 254 #define OC_RECEIVE 0x0008 /* RECEIVE command */ 255 #define OC_CLOSE 0x0010 /* CLOSE command */ 256 #define OC_SET_GROUP_ADDR 0x0020 /* SET_GROUP_ADDR command */ 257 #define OC_SET_FUNCT_ADDR 0x0040 /* SET_FUNCT_ADDR command */ 258 #define OC_READ_ERROR_LOG 0x0080 /* READ_ERROR_LOG command */ 259 #define OC_READ_ADAPTER 0x0100 /* READ_ADAPTER command */ 260 #define OC_MODIFY_OPEN_PARMS 0x0400 /* MODIFY_OPEN_PARMS command */ 261 #define OC_RESTORE_OPEN_PARMS 0x0800 /* RESTORE_OPEN_PARMS command */ 262 #define OC_SET_FIRST_16_GROUP 0x1000 /* SET_FIRST_16_GROUP command */ 263 #define OC_SET_BRIDGE_PARMS 0x2000 /* SET_BRIDGE_PARMS command */ 264 #define OC_CONFIG_BRIDGE_PARMS 0x4000 /* CONFIG_BRIDGE_PARMS command */ 265 266 #define OPEN 0x0300 /* C: open command. S: completion. */ 267 #define TRANSMIT 0x0400 /* C: transmit command. S: completion 268 * status. (reject: COMMAND_REJECT if 269 * adapter not opened, TRANSMIT already 270 * issued or address passed in the SCB 271 * not word aligned) 272 */ 273 #define TRANSMIT_HALT 0x0500 /* C: interrupt TX TPL chain; if no 274 * TRANSMIT command issued, the command 275 * is ignored (completion with TRANSMIT 276 * status (0x0400)!) 277 */ 278 #define RECEIVE 0x0600 /* C: receive command. S: completion 279 * status. (reject: COMMAND_REJECT if 280 * adapter not opened, RECEIVE already 281 * issued or address passed in the SCB 282 * not word aligned) 283 */ 284 #define CLOSE 0x0700 /* C: close adapter. S: completion. 285 * (COMMAND_REJECT if adapter not open) 286 */ 287 #define SET_GROUP_ADDR 0x0800 /* C: alter adapter group address after 288 * OPEN. S: completion. (COMMAND_REJECT 289 * if adapter not open) 290 */ 291 #define SET_FUNCT_ADDR 0x0900 /* C: alter adapter functional address 292 * after OPEN. S: completion. 293 * (COMMAND_REJECT if adapter not open) 294 */ 295 #define READ_ERROR_LOG 0x0A00 /* C: read adapter error counters. 296 * S: completion. (command ignored 297 * if adapter not open!) 298 */ 299 #define READ_ADAPTER 0x0B00 /* C: read data from adapter memory. 300 * (important: after init and before 301 * open!) S: completion. (ADAPTER_CHECK 302 * interrupt if undefined storage area 303 * read) 304 */ 305 #define MODIFY_OPEN_PARMS 0x0D00 /* C: modify some adapter operational 306 * parameters. (bit correspondend to 307 * WRAP_INTERFACE is ignored) 308 * S: completion. (reject: 309 * COMMAND_REJECT) 310 */ 311 #define RESTORE_OPEN_PARMS 0x0E00 /* C: modify some adapter operational 312 * parameters. (bit correspondend 313 * to WRAP_INTERFACE is ignored) 314 * S: completion. (reject: 315 * COMMAND_REJECT) 316 */ 317 #define SET_FIRST_16_GROUP 0x0F00 /* C: alter the first two bytes in 318 * adapter group address. 319 * S: completion. (reject: 320 * COMMAND_REJECT) 321 */ 322 #define SET_BRIDGE_PARMS 0x1000 /* C: values and conditions for the 323 * adapter hardware to use when frames 324 * are copied for forwarding. 325 * S: completion. (reject: 326 * COMMAND_REJECT) 327 */ 328 #define CONFIG_BRIDGE_PARMS 0x1100 /* C: .. 329 * S: completion. (reject: 330 * COMMAND_REJECT) 331 */ 332 333 #define SPEED_4 4 334 #define SPEED_16 16 /* Default transmission speed */ 335 336 337 /* Initialization Parameter Block (IPB); word alignment necessary! */ 338 #define BURST_SIZE 0x0018 /* Default burst size */ 339 #define BURST_MODE 0x9F00 /* Burst mode enable */ 340 #define DMA_RETRIES 0x0505 /* Magic DMA retry number... */ 341 342 #define CYCLE_TIME 3 /* Default AT-bus cycle time: 500 ns 343 * (later adapter version: fix cycle time!) 344 */ 345 #define LINE_SPEED_BIT 0x80 346 347 /* Macro definition for the wait function. */ 348 #define ONE_SECOND_TICKS 1000000 349 #define HALF_SECOND (ONE_SECOND_TICKS / 2) 350 #define ONE_SECOND (ONE_SECOND_TICKS) 351 #define TWO_SECONDS (ONE_SECOND_TICKS * 2) 352 #define THREE_SECONDS (ONE_SECOND_TICKS * 3) 353 #define FOUR_SECONDS (ONE_SECOND_TICKS * 4) 354 #define FIVE_SECONDS (ONE_SECOND_TICKS * 5) 355 356 #define BUFFER_SIZE 2048 /* Buffers on Adapter */ 357 358 #pragma pack(1) 359 typedef struct { 360 unsigned short Init_Options; /* Initialize with burst mode; 361 * LLC disabled. (MAC only) 362 */ 363 364 /* Interrupt vectors the adapter places on attached system bus. */ 365 u_int8_t CMD_Status_IV; /* Interrupt vector: command status. */ 366 u_int8_t TX_IV; /* Interrupt vector: transmit. */ 367 u_int8_t RX_IV; /* Interrupt vector: receive. */ 368 u_int8_t Ring_Status_IV; /* Interrupt vector: ring status. */ 369 u_int8_t SCB_Clear_IV; /* Interrupt vector: SCB clear. */ 370 u_int8_t Adapter_CHK_IV; /* Interrupt vector: adapter check. */ 371 372 u_int16_t RX_Burst_Size; /* Max. number of transfer cycles. */ 373 u_int16_t TX_Burst_Size; /* During DMA burst; even value! */ 374 u_int16_t DMA_Abort_Thrhld; /* Number of DMA retries. */ 375 376 u_int32_t SCB_Addr; /* SCB address: even, word aligned, high-low */ 377 u_int32_t SSB_Addr; /* SSB address: even, word aligned, high-low */ 378 } IPB, *IPB_Ptr; 379 #pragma pack() 380 381 /* 382 * OPEN Command Parameter List (OCPL) (can be reused, if the adapter has to 383 * be reopened) 384 */ 385 #define BUFFER_SIZE 2048 /* Buffers on Adapter. */ 386 #define TPL_SIZE 8+6*TX_FRAG_NUM /* Depending on fragments per TPL. */ 387 #define RPL_SIZE 14 /* (with TI firmware v2.26 handling 388 * up to nine fragments possible) 389 */ 390 #define TX_BUF_MIN 20 /* ??? (Stephan: calculation with */ 391 #define TX_BUF_MAX 40 /* BUFFER_SIZE and MAX_FRAME_SIZE) ??? 392 */ 393 #define DISABLE_EARLY_TOKEN_RELEASE 0x1000 394 395 /* OPEN Options (high-low) */ 396 #define WRAP_INTERFACE 0x0080 /* Inserting omitted for test 397 * purposes; transmit data appears 398 * as receive data. (useful for 399 * testing; change: CLOSE necessary) 400 */ 401 #define DISABLE_HARD_ERROR 0x0040 /* On HARD_ERROR & TRANSMIT_BEACON 402 * no RING.STATUS interrupt. 403 */ 404 #define DISABLE_SOFT_ERROR 0x0020 /* On SOFT_ERROR, no RING.STATUS 405 * interrupt. 406 */ 407 #define PASS_ADAPTER_MAC_FRAMES 0x0010 /* Passing unsupported MAC frames 408 * to system. 409 */ 410 #define PASS_ATTENTION_FRAMES 0x0008 /* All changed attention MAC frames are 411 * passed to the system. 412 */ 413 #define PAD_ROUTING_FIELD 0x0004 /* Routing field is padded to 18 414 * bytes. 415 */ 416 #define FRAME_HOLD 0x0002 /*Adapter waits for entire frame before 417 * initiating DMA transfer; otherwise: 418 * DMA transfer initiation if internal 419 * buffer filled. 420 */ 421 #define CONTENDER 0x0001 /* Adapter participates in the monitor 422 * contention process. 423 */ 424 #define PASS_BEACON_MAC_FRAMES 0x8000 /* Adapter passes beacon MAC frames 425 * to the system. 426 */ 427 #define EARLY_TOKEN_RELEASE 0x1000 /* Only valid in 16 Mbps operation; 428 * 0 = ETR. (no effect in 4 Mbps 429 * operation) 430 */ 431 #define COPY_ALL_MAC_FRAMES 0x0400 /* All MAC frames are copied to 432 * the system. (after OPEN: duplicate 433 * address test (DAT) MAC frame is 434 * first received frame copied to the 435 * system) 436 */ 437 #define COPY_ALL_NON_MAC_FRAMES 0x0200 /* All non MAC frames are copied to 438 * the system. 439 */ 440 #define PASS_FIRST_BUF_ONLY 0x0100 /* Passes only first internal buffer 441 * of each received frame; FrameSize 442 * of RPLs must contain internal 443 * BUFFER_SIZE bits for promiscous mode. 444 */ 445 #define ENABLE_FULL_DUPLEX_SELECTION 0x2000 446 /* Enable the use of full-duplex 447 * settings with bits in byte 22 in 448 * ocpl. (new feature in firmware 449 * version 3.09) 450 */ 451 452 /* Full-duplex settings */ 453 #define OPEN_FULL_DUPLEX_OFF 0x0000 454 #define OPEN_FULL_DUPLEX_ON 0x00c0 455 #define OPEN_FULL_DUPLEX_AUTO 0x0080 456 457 #define PROD_ID_SIZE 18 /* Length of product ID. */ 458 459 #define TX_FRAG_NUM 3 /* Number of fragments used in one TPL. */ 460 #define TX_MORE_FRAGMENTS 0x8000 /* Bit set in DataCount to indicate more 461 * fragments following. 462 */ 463 464 /* XXX is there some better way to do this? */ 465 #define ISA_MAX_ADDRESS 0x00ffffff 466 #define PCI_MAX_ADDRESS 0xffffffff 467 468 #pragma pack(1) 469 typedef struct { 470 u_int16_t OPENOptions; 471 u_int8_t NodeAddr[6]; /* Adapter node address; use ROM 472 * address 473 */ 474 u_int32_t GroupAddr; /* Multicast: high order 475 * bytes = 0xC000 476 */ 477 u_int32_t FunctAddr; /* High order bytes = 0xC000 */ 478 u_int16_t RxListSize; /* RPL size: 0 (=26), 14, 20 or 479 * 26 bytes read by the adapter. 480 * (Depending on the number of 481 * fragments/list) 482 */ 483 u_int16_t TxListSize; /* TPL size */ 484 u_int16_t BufSize; /* Is automatically rounded up to the 485 * nearest nK boundary. 486 */ 487 u_int16_t FullDuplex; 488 u_int16_t Reserved; 489 u_int8_t TXBufMin; /* Number of adapter buffers reserved 490 * for transmission a minimum of 2 491 * buffers must be allocated. 492 */ 493 u_int8_t TXBufMax; /* Maximum number of adapter buffers 494 * for transmit; a minimum of 2 buffers 495 * must be available for receive. 496 * Default: 6 497 */ 498 u_int16_t ProdIDAddr[2];/* Pointer to product ID. */ 499 } OPB, *OPB_Ptr; 500 #pragma pack() 501 502 /* 503 * SCB: adapter commands enabled by the host system started by writing 504 * CMD_INTERRUPT_ADAPTER | CMD_EXECUTE (|SCB_REQUEST) to the SIFCMD IO 505 * register. (special case: | CMD_SYSTEM_IRQ for initialization) 506 */ 507 #pragma pack(1) 508 typedef struct { 509 u_int16_t CMD; /* Command code */ 510 u_int16_t Parm[2]; /* Pointer to Command Parameter Block */ 511 } SCB; /* System Command Block (32 bit physical address; big endian)*/ 512 #pragma pack() 513 514 /* 515 * SSB: adapter command return status can be evaluated after COMMAND_STATUS 516 * adapter to system interrupt after reading SSB, the availability of the SSB 517 * has to be told the adapter by writing CMD_INTERRUPT_ADAPTER | CMD_SSB_CLEAR 518 * in the SIFCMD IO register. 519 */ 520 #pragma pack(1) 521 typedef struct { 522 u_int16_t STS; /* Status code */ 523 u_int16_t Parm[3]; /* Parameter or pointer to Status Parameter 524 * Block. 525 */ 526 } SSB; /* System Status Block (big endian - physical address) */ 527 #pragma pack() 528 529 typedef struct { 530 unsigned short BurnedInAddrPtr; /* Pointer to adapter burned in 531 * address. (BIA) 532 */ 533 unsigned short SoftwareLevelPtr;/* Pointer to software level data. */ 534 unsigned short AdapterAddrPtr; /* Pointer to adapter addresses. */ 535 unsigned short AdapterParmsPtr; /* Pointer to adapter parameters. */ 536 unsigned short MACBufferPtr; /* Pointer to MAC buffer. (internal) */ 537 unsigned short LLCCountersPtr; /* Pointer to LLC counters. */ 538 unsigned short SpeedFlagPtr; /* Pointer to data rate flag. 539 * (4/16 Mbps) 540 */ 541 unsigned short AdapterRAMPtr; /* Pointer to adapter RAM found. (KB) */ 542 } INTPTRS; /* Adapter internal pointers */ 543 544 #pragma pack(1) 545 typedef struct { 546 u_int8_t Line_Error; /* Line error: code violation in 547 * frame or in a token, or FCS error. 548 */ 549 u_int8_t Internal_Error; /* IBM specific. (Reserved_1) */ 550 u_int8_t Burst_Error; 551 u_int8_t ARI_FCI_Error; /* ARI/FCI bit zero in AMP or 552 * SMP MAC frame. 553 */ 554 u_int8_t AbortDelimeters; /* IBM specific. (Reserved_2) */ 555 u_int8_t Reserved_3; 556 u_int8_t Lost_Frame_Error; /* Receive of end of transmitted 557 * frame failed. 558 */ 559 u_int8_t Rx_Congest_Error; /* Adapter in repeat mode has not 560 * enough buffer space to copy incoming 561 * frame. 562 */ 563 u_int8_t Frame_Copied_Error; /* ARI bit not zero in frame 564 * addressed to adapter. 565 */ 566 u_int8_t Frequency_Error; /* IBM specific. (Reserved_4) */ 567 u_int8_t Token_Error; /* (active only in monitor station) */ 568 u_int8_t Reserved_5; 569 u_int8_t DMA_Bus_Error; /* DMA bus errors not exceeding the 570 * abort thresholds. 571 */ 572 u_int8_t DMA_Parity_Error; /* DMA parity errors not exceeding 573 * the abort thresholds. 574 */ 575 } ERRORTAB; /* Adapter error counters */ 576 #pragma pack() 577 578 579 /*--------------------- Send and Receive definitions -------------------*/ 580 #pragma pack(1) 581 typedef struct { 582 u_int16_t DataCount; /* Value 0, even and odd values are 583 * permitted; value is unaltered most 584 * significant bit set: following 585 * fragments last fragment: most 586 * significant bit is not evaluated. 587 * (???) 588 */ 589 u_int32_t DataAddr; /* Pointer to frame data fragment; 590 * even or odd. 591 */ 592 } Fragment; 593 #pragma pack() 594 595 #define MAX_FRAG_NUMBERS 9 /* Maximal number of fragments possible to use 596 * in one RPL/TPL. (depending on TI firmware 597 * version) 598 */ 599 #define MAX_TX_QUEUE 10 /* Maximal number of skb's queued in driver. */ 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 u_int32_t 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 u_int16_t 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 pci_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 u_int32_t 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 u_int16_t 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 pci_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 pci_dev *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 sk_buff_head SendSkbQueue; 1116 unsigned short QueueSkb; 1117 1118 struct tr_statistics MacStat; /* MAC statistics structure */ 1119 1120 unsigned long dmalimit; /* the max DMA address (ie, ISA) */ 1121 dma_addr_t dmabuffer; /* the DMA bus address corresponding to 1122 priv. Might be different from virt_to_bus() 1123 for architectures with IO MMU (Alpha) */ 1124 1125 struct timer_list timer; 1126 1127 wait_queue_head_t wait_for_tok_int; 1128 1129 INTPTRS intptrs; /* Internal adapter pointer. Must be read 1130 * before OPEN command. 1131 */ 1132 unsigned short (*setnselout)(struct net_device *); 1133 unsigned short (*sifreadb)(struct net_device *, unsigned short); 1134 void (*sifwriteb)(struct net_device *, unsigned short, unsigned short); 1135 unsigned short (*sifreadw)(struct net_device *, unsigned short); 1136 void (*sifwritew)(struct net_device *, unsigned short, unsigned short); 1137 1138 void *tmspriv; 1139 } NET_LOCAL; 1140 1141 #endif /* __KERNEL__ */ 1142 #endif /* __LINUX_TMS380TR_H */ 1143