1#ifndef _LMC_VAR_H_ 2#define _LMC_VAR_H_ 3 4/* $Id: lmc_var.h,v 1.1.1.1 2008/10/15 03:26:45 james26_jang Exp $ */ 5 6 /* 7 * Copyright (c) 1997-2000 LAN Media Corporation (LMC) 8 * All rights reserved. www.lanmedia.com 9 * 10 * This code is written by: 11 * Andrew Stanley-Jones (asj@cban.com) 12 * Rob Braun (bbraun@vix.com), 13 * Michael Graff (explorer@vix.com) and 14 * Matt Thomas (matt@3am-software.com). 15 * 16 * This software may be used and distributed according to the terms 17 * of the GNU General Public License version 2, incorporated herein by reference. 18 */ 19 20#include <linux/timer.h> 21 22#ifndef __KERNEL__ 23typedef signed char s8; 24typedef unsigned char u8; 25 26typedef signed short s16; 27typedef unsigned short u16; 28 29typedef signed int s32; 30typedef unsigned int u32; 31 32typedef signed long long s64; 33typedef unsigned long long u64; 34 35#define BITS_PER_LONG 32 36 37#endif 38 39/* 40 * basic definitions used in lmc include files 41 */ 42 43typedef struct lmc___softc lmc_softc_t; 44typedef struct lmc___media lmc_media_t; 45typedef struct lmc___ctl lmc_ctl_t; 46 47#define lmc_csrptr_t unsigned long 48#define u_int16_t u16 49#define u_int8_t u8 50#define tulip_uint32_t u32 51#if LINUX_VERSION_CODE < 0x20155 52#define u_int32_t u32 53#endif 54 55#define LMC_REG_RANGE 0x80 56 57#define LMC_PRINTF_FMT "%s" 58#define LMC_PRINTF_ARGS (sc->lmc_device->name) 59 60#define TX_TIMEOUT (2*HZ) 61 62#define LMC_TXDESCS 32 63#define LMC_RXDESCS 32 64 65#define LMC_LINK_UP 1 66#define LMC_LINK_DOWN 0 67 68/* These macros for generic read and write to and from the dec chip */ 69#define LMC_CSR_READ(sc, csr) \ 70 inl((sc)->lmc_csrs.csr) 71#define LMC_CSR_WRITE(sc, reg, val) \ 72 outl((val), (sc)->lmc_csrs.reg) 73 74//#ifdef _LINUX_DELAY_H 75// #define SLOW_DOWN_IO udelay(2); 76// #undef __SLOW_DOWN_IO 77// #define __SLOW_DOWN_IO udelay(2); 78//#endif 79 80#define DELAY(n) SLOW_DOWN_IO 81 82#define lmc_delay() inl(sc->lmc_csrs.csr_9) 83 84/* This macro sync's up with the mii so that reads and writes can take place */ 85#define LMC_MII_SYNC(sc) do {int n=32; while( n >= 0 ) { \ 86 LMC_CSR_WRITE((sc), csr_9, 0x20000); \ 87 lmc_delay(); \ 88 LMC_CSR_WRITE((sc), csr_9, 0x30000); \ 89 lmc_delay(); \ 90 n--; }} while(0) 91 92struct lmc_regfile_t { 93 lmc_csrptr_t csr_busmode; /* CSR0 */ 94 lmc_csrptr_t csr_txpoll; /* CSR1 */ 95 lmc_csrptr_t csr_rxpoll; /* CSR2 */ 96 lmc_csrptr_t csr_rxlist; /* CSR3 */ 97 lmc_csrptr_t csr_txlist; /* CSR4 */ 98 lmc_csrptr_t csr_status; /* CSR5 */ 99 lmc_csrptr_t csr_command; /* CSR6 */ 100 lmc_csrptr_t csr_intr; /* CSR7 */ 101 lmc_csrptr_t csr_missed_frames; /* CSR8 */ 102 lmc_csrptr_t csr_9; /* CSR9 */ 103 lmc_csrptr_t csr_10; /* CSR10 */ 104 lmc_csrptr_t csr_11; /* CSR11 */ 105 lmc_csrptr_t csr_12; /* CSR12 */ 106 lmc_csrptr_t csr_13; /* CSR13 */ 107 lmc_csrptr_t csr_14; /* CSR14 */ 108 lmc_csrptr_t csr_15; /* CSR15 */ 109}; 110 111#define csr_enetrom csr_9 /* 21040 */ 112#define csr_reserved csr_10 /* 21040 */ 113#define csr_full_duplex csr_11 /* 21040 */ 114#define csr_bootrom csr_10 /* 21041/21140A/?? */ 115#define csr_gp csr_12 /* 21140* */ 116#define csr_watchdog csr_15 /* 21140* */ 117#define csr_gp_timer csr_11 /* 21041/21140* */ 118#define csr_srom_mii csr_9 /* 21041/21140* */ 119#define csr_sia_status csr_12 /* 2104x */ 120#define csr_sia_connectivity csr_13 /* 2104x */ 121#define csr_sia_tx_rx csr_14 /* 2104x */ 122#define csr_sia_general csr_15 /* 2104x */ 123 124/* tulip length/control transmit descriptor definitions 125 * used to define bits in the second tulip_desc_t field (length) 126 * for the transmit descriptor -baz */ 127 128#define LMC_TDES_FIRST_BUFFER_SIZE ((u_int32_t)(0x000007FF)) 129#define LMC_TDES_SECOND_BUFFER_SIZE ((u_int32_t)(0x003FF800)) 130#define LMC_TDES_HASH_FILTERING ((u_int32_t)(0x00400000)) 131#define LMC_TDES_DISABLE_PADDING ((u_int32_t)(0x00800000)) 132#define LMC_TDES_SECOND_ADDR_CHAINED ((u_int32_t)(0x01000000)) 133#define LMC_TDES_END_OF_RING ((u_int32_t)(0x02000000)) 134#define LMC_TDES_ADD_CRC_DISABLE ((u_int32_t)(0x04000000)) 135#define LMC_TDES_SETUP_PACKET ((u_int32_t)(0x08000000)) 136#define LMC_TDES_INVERSE_FILTERING ((u_int32_t)(0x10000000)) 137#define LMC_TDES_FIRST_SEGMENT ((u_int32_t)(0x20000000)) 138#define LMC_TDES_LAST_SEGMENT ((u_int32_t)(0x40000000)) 139#define LMC_TDES_INTERRUPT_ON_COMPLETION ((u_int32_t)(0x80000000)) 140 141#define TDES_SECOND_BUFFER_SIZE_BIT_NUMBER 11 142#define TDES_COLLISION_COUNT_BIT_NUMBER 3 143 144/* Constants for the RCV descriptor RDES */ 145 146#define LMC_RDES_OVERFLOW ((u_int32_t)(0x00000001)) 147#define LMC_RDES_CRC_ERROR ((u_int32_t)(0x00000002)) 148#define LMC_RDES_DRIBBLING_BIT ((u_int32_t)(0x00000004)) 149#define LMC_RDES_REPORT_ON_MII_ERR ((u_int32_t)(0x00000008)) 150#define LMC_RDES_RCV_WATCHDOG_TIMEOUT ((u_int32_t)(0x00000010)) 151#define LMC_RDES_FRAME_TYPE ((u_int32_t)(0x00000020)) 152#define LMC_RDES_COLLISION_SEEN ((u_int32_t)(0x00000040)) 153#define LMC_RDES_FRAME_TOO_LONG ((u_int32_t)(0x00000080)) 154#define LMC_RDES_LAST_DESCRIPTOR ((u_int32_t)(0x00000100)) 155#define LMC_RDES_FIRST_DESCRIPTOR ((u_int32_t)(0x00000200)) 156#define LMC_RDES_MULTICAST_FRAME ((u_int32_t)(0x00000400)) 157#define LMC_RDES_RUNT_FRAME ((u_int32_t)(0x00000800)) 158#define LMC_RDES_DATA_TYPE ((u_int32_t)(0x00003000)) 159#define LMC_RDES_LENGTH_ERROR ((u_int32_t)(0x00004000)) 160#define LMC_RDES_ERROR_SUMMARY ((u_int32_t)(0x00008000)) 161#define LMC_RDES_FRAME_LENGTH ((u_int32_t)(0x3FFF0000)) 162#define LMC_RDES_OWN_BIT ((u_int32_t)(0x80000000)) 163 164#define RDES_FRAME_LENGTH_BIT_NUMBER 16 165 166#define LMC_RDES_ERROR_MASK ( (u_int32_t)( \ 167 LMC_RDES_OVERFLOW \ 168 | LMC_RDES_DRIBBLING_BIT \ 169 | LMC_RDES_REPORT_ON_MII_ERR \ 170 | LMC_RDES_COLLISION_SEEN ) ) 171 172 173/* 174 * Ioctl info 175 */ 176 177typedef struct { 178 u_int32_t n; 179 u_int32_t m; 180 u_int32_t v; 181 u_int32_t x; 182 u_int32_t r; 183 u_int32_t f; 184 u_int32_t exact; 185} lmc_av9110_t; 186 187/* 188 * Common structure passed to the ioctl code. 189 */ 190struct lmc___ctl { 191 u_int32_t cardtype; 192 u_int32_t clock_source; /* HSSI, T1 */ 193 u_int32_t clock_rate; /* T1 */ 194 u_int32_t crc_length; 195 u_int32_t cable_length; /* DS3 */ 196 u_int32_t scrambler_onoff; /* DS3 */ 197 u_int32_t cable_type; /* T1 */ 198 u_int32_t keepalive_onoff; /* protocol */ 199 u_int32_t ticks; /* ticks/sec */ 200 union { 201 lmc_av9110_t ssi; 202 } cardspec; 203 u_int32_t circuit_type; /* T1 or E1 */ 204}; 205 206 207/* 208 * Carefull, look at the data sheet, there's more to this 209 * structure than meets the eye. It should probably be: 210 * 211 * struct tulip_desc_t { 212 * u8 own:1; 213 * u32 status:31; 214 * u32 control:10; 215 * u32 buffer1; 216 * u32 buffer2; 217 * }; 218 * You could also expand status control to provide more bit information 219 */ 220 221struct tulip_desc_t { 222 s32 status; 223 s32 length; 224 u32 buffer1; 225 u32 buffer2; 226}; 227 228/* 229 * media independent methods to check on media status, link, light LEDs, 230 * etc. 231 */ 232struct lmc___media { 233 void (* init)(lmc_softc_t * const); 234 void (* defaults)(lmc_softc_t * const); 235 void (* set_status)(lmc_softc_t * const, lmc_ctl_t *); 236 void (* set_clock_source)(lmc_softc_t * const, int); 237 void (* set_speed)(lmc_softc_t * const, lmc_ctl_t *); 238 void (* set_cable_length)(lmc_softc_t * const, int); 239 void (* set_scrambler)(lmc_softc_t * const, int); 240 int (* get_link_status)(lmc_softc_t * const); 241 void (* set_link_status)(lmc_softc_t * const, int); 242 void (* set_crc_length)(lmc_softc_t * const, int); 243 void (* set_circuit_type)(lmc_softc_t * const, int); 244 void (* watchdog)(lmc_softc_t * const); 245}; 246 247 248#define STATCHECK 0xBEEFCAFE 249 250/* Included in this structure are first 251 * - standard net_device_stats 252 * - some other counters used for debug and driver performance 253 * evaluation -baz 254 */ 255struct lmc_statistics 256{ 257 unsigned long rx_packets; /* total packets received */ 258 unsigned long tx_packets; /* total packets transmitted */ 259 unsigned long rx_bytes; 260 unsigned long tx_bytes; 261 262 unsigned long rx_errors; /* bad packets received */ 263 unsigned long tx_errors; /* packet transmit problems */ 264 unsigned long rx_dropped; /* no space in linux buffers */ 265 unsigned long tx_dropped; /* no space available in linux */ 266 unsigned long multicast; /* multicast packets received */ 267 unsigned long collisions; 268 269 /* detailed rx_errors: */ 270 unsigned long rx_length_errors; 271 unsigned long rx_over_errors; /* receiver ring buff overflow */ 272 unsigned long rx_crc_errors; /* recved pkt with crc error */ 273 unsigned long rx_frame_errors; /* recv'd frame alignment error */ 274 unsigned long rx_fifo_errors; /* recv'r fifo overrun */ 275 unsigned long rx_missed_errors; /* receiver missed packet */ 276 277 /* detailed tx_errors */ 278 unsigned long tx_aborted_errors; 279 unsigned long tx_carrier_errors; 280 unsigned long tx_fifo_errors; 281 unsigned long tx_heartbeat_errors; 282 unsigned long tx_window_errors; 283 284 /* for cslip etc */ 285 unsigned long rx_compressed; 286 unsigned long tx_compressed; 287 288 /* ------------------------------------- 289 * Custom stats & counters follow -baz */ 290 u_int32_t version_size; 291 u_int32_t lmc_cardtype; 292 293 u_int32_t tx_ProcTimeout; 294 u_int32_t tx_IntTimeout; 295 u_int32_t tx_NoCompleteCnt; 296 u_int32_t tx_MaxXmtsB4Int; 297 u_int32_t tx_TimeoutCnt; 298 u_int32_t tx_OutOfSyncPtr; 299 u_int32_t tx_tbusy0; 300 u_int32_t tx_tbusy1; 301 u_int32_t tx_tbusy_calls; 302 u_int32_t resetCount; 303 u_int32_t lmc_txfull; 304 u_int32_t tbusy; 305 u_int32_t dirtyTx; 306 u_int32_t lmc_next_tx; 307 u_int32_t otherTypeCnt; 308 u_int32_t lastType; 309 u_int32_t lastTypeOK; 310 u_int32_t txLoopCnt; 311 u_int32_t usedXmtDescripCnt; 312 u_int32_t txIndexCnt; 313 u_int32_t rxIntLoopCnt; 314 315 u_int32_t rx_SmallPktCnt; 316 u_int32_t rx_BadPktSurgeCnt; 317 u_int32_t rx_BuffAllocErr; 318 u_int32_t tx_lossOfClockCnt; 319 320 /* T1 error counters */ 321 u_int32_t framingBitErrorCount; 322 u_int32_t lineCodeViolationCount; 323 324 u_int32_t lossOfFrameCount; 325 u_int32_t changeOfFrameAlignmentCount; 326 u_int32_t severelyErroredFrameCount; 327 328 u_int32_t check; 329}; 330 331 332typedef struct lmc_xinfo { 333 u_int32_t Magic0; /* BEEFCAFE */ 334 335 u_int32_t PciCardType; 336 u_int32_t PciSlotNumber; /* PCI slot number */ 337 338 u_int16_t DriverMajorVersion; 339 u_int16_t DriverMinorVersion; 340 u_int16_t DriverSubVersion; 341 342 u_int16_t XilinxRevisionNumber; 343 u_int16_t MaxFrameSize; 344 345 u_int16_t t1_alarm1_status; 346 u_int16_t t1_alarm2_status; 347 348 int link_status; 349 u_int32_t mii_reg16; 350 351 u_int32_t Magic1; /* DEADBEEF */ 352} LMC_XINFO; 353 354 355/* 356 * forward decl 357 */ 358struct lmc___softc { 359 void *if_ptr; /* General purpose pointer (used by SPPP) */ 360 char *name; 361 u8 board_idx; 362 struct lmc_statistics stats; 363 struct net_device *lmc_device; 364 365 int hang, rxdesc, bad_packet, some_counter; 366 u_int32_t txgo; 367 struct lmc_regfile_t lmc_csrs; 368 volatile u_int32_t lmc_txtick; 369 volatile u_int32_t lmc_rxtick; 370 u_int32_t lmc_flags; 371 u_int32_t lmc_intrmask; /* our copy of csr_intr */ 372 u_int32_t lmc_cmdmode; /* our copy of csr_cmdmode */ 373 u_int32_t lmc_busmode; /* our copy of csr_busmode */ 374 u_int32_t lmc_gpio_io; /* state of in/out settings */ 375 u_int32_t lmc_gpio; /* state of outputs */ 376 struct sk_buff* lmc_txq[LMC_TXDESCS]; 377 struct sk_buff* lmc_rxq[LMC_RXDESCS]; 378 volatile 379 struct tulip_desc_t lmc_rxring[LMC_RXDESCS]; 380 volatile 381 struct tulip_desc_t lmc_txring[LMC_TXDESCS]; 382 unsigned int lmc_next_rx, lmc_next_tx; 383 volatile 384 unsigned int lmc_taint_tx, lmc_taint_rx; 385 int lmc_tx_start, lmc_txfull; 386 int lmc_txbusy; 387 u_int16_t lmc_miireg16; 388 int lmc_ok; 389 int last_link_status; 390 int lmc_cardtype; 391 u_int32_t last_frameerr; 392 lmc_media_t *lmc_media; 393 struct timer_list timer; 394 lmc_ctl_t ictl; 395 u_int32_t TxDescriptControlInit; 396 struct net_device *next_module; /* Link to the next module */ 397 int tx_TimeoutInd; /* additional driver state */ 398 int tx_TimeoutDisplay; 399 unsigned int lastlmc_taint_tx; 400 int lasttx_packets; 401 u_int32_t tx_clockState; 402 u_int32_t lmc_crcSize; 403 LMC_XINFO lmc_xinfo; 404 char lmc_yel, lmc_blue, lmc_red; /* for T1 and DS3 */ 405 char lmc_timing; /* for HSSI and SSI */ 406 int got_irq; 407 408 char last_led_err[4]; 409 410 u32 last_int; 411 u32 num_int; 412 413#if LINUX_VERSION_CODE >= 0x20200 414 spinlock_t lmc_lock; 415#endif 416 u_int16_t if_type; /* PPP or NET */ 417 struct ppp_device *pd; 418 419 /* Failure cases */ 420 u8 failed_ring; 421 u8 failed_recv_alloc; 422 423 /* Structure check */ 424 u32 check; 425}; 426 427#define LMC_PCI_TIME 1 428#define LMC_EXT_TIME 0 429 430#define PKT_BUF_SZ 1542 /* was 1536 */ 431 432/* CSR5 settings */ 433#define TIMER_INT 0x00000800 434#define TP_LINK_FAIL 0x00001000 435#define TP_LINK_PASS 0x00000010 436#define NORMAL_INT 0x00010000 437#define ABNORMAL_INT 0x00008000 438#define RX_JABBER_INT 0x00000200 439#define RX_DIED 0x00000100 440#define RX_NOBUFF 0x00000080 441#define RX_INT 0x00000040 442#define TX_FIFO_UNDER 0x00000020 443#define TX_JABBER 0x00000008 444#define TX_NOBUFF 0x00000004 445#define TX_DIED 0x00000002 446#define TX_INT 0x00000001 447 448/* CSR6 settings */ 449#define OPERATION_MODE 0x00000200 /* Full Duplex */ 450#define PROMISC_MODE 0x00000040 /* Promiscuous Mode */ 451#define RECIEVE_ALL 0x40000000 /* Recieve All */ 452#define PASS_BAD_FRAMES 0x00000008 /* Pass Bad Frames */ 453 454/* Dec control registers CSR6 as well */ 455#define LMC_DEC_ST 0x00002000 456#define LMC_DEC_SR 0x00000002 457 458/* CSR15 settings */ 459#define RECV_WATCHDOG_DISABLE 0x00000010 460#define JABBER_DISABLE 0x00000001 461 462/* More settings */ 463/* 464 * aSR6 -- Command (Operation Mode) Register 465 */ 466#define TULIP_CMD_RECEIVEALL 0x40000000L /* (RW) Receivel all frames? */ 467#define TULIP_CMD_MUSTBEONE 0x02000000L /* (RW) Must Be One (21140) */ 468#define TULIP_CMD_TXTHRSHLDCTL 0x00400000L /* (RW) Transmit Threshold Mode (21140) */ 469#define TULIP_CMD_STOREFWD 0x00200000L /* (RW) Store and Foward (21140) */ 470#define TULIP_CMD_NOHEARTBEAT 0x00080000L /* (RW) No Heartbeat (21140) */ 471#define TULIP_CMD_PORTSELECT 0x00040000L /* (RW) Post Select (100Mb) (21140) */ 472#define TULIP_CMD_FULLDUPLEX 0x00000200L /* (RW) Full Duplex Mode */ 473#define TULIP_CMD_OPERMODE 0x00000C00L /* (RW) Operating Mode */ 474#define TULIP_CMD_PROMISCUOUS 0x00000041L /* (RW) Promiscuous Mode */ 475#define TULIP_CMD_PASSBADPKT 0x00000008L /* (RW) Pass Bad Frames */ 476#define TULIP_CMD_THRESHOLDCTL 0x0000C000L /* (RW) Threshold Control */ 477 478#define TULIP_GP_PINSET 0x00000100L 479#define TULIP_BUSMODE_SWRESET 0x00000001L 480#define TULIP_WATCHDOG_TXDISABLE 0x00000001L 481#define TULIP_WATCHDOG_RXDISABLE 0x00000010L 482 483#define TULIP_STS_NORMALINTR 0x00010000L /* (RW) Normal Interrupt */ 484#define TULIP_STS_ABNRMLINTR 0x00008000L /* (RW) Abnormal Interrupt */ 485#define TULIP_STS_ERI 0x00004000L /* (RW) Early Receive Interrupt */ 486#define TULIP_STS_SYSERROR 0x00002000L /* (RW) System Error */ 487#define TULIP_STS_GTE 0x00000800L /* (RW) General Pupose Timer Exp */ 488#define TULIP_STS_ETI 0x00000400L /* (RW) Early Transmit Interrupt */ 489#define TULIP_STS_RXWT 0x00000200L /* (RW) Receiver Watchdog Timeout */ 490#define TULIP_STS_RXSTOPPED 0x00000100L /* (RW) Receiver Process Stopped */ 491#define TULIP_STS_RXNOBUF 0x00000080L /* (RW) Receive Buf Unavail */ 492#define TULIP_STS_RXINTR 0x00000040L /* (RW) Receive Interrupt */ 493#define TULIP_STS_TXUNDERFLOW 0x00000020L /* (RW) Transmit Underflow */ 494#define TULIP_STS_TXJABER 0x00000008L /* (RW) Jabber timeout */ 495#define TULIP_STS_TXNOBUF 0x00000004L 496#define TULIP_STS_TXSTOPPED 0x00000002L /* (RW) Transmit Process Stopped */ 497#define TULIP_STS_TXINTR 0x00000001L /* (RW) Transmit Interrupt */ 498 499#define TULIP_STS_RXS_STOPPED 0x00000000L /* 000 - Stopped */ 500 501#define TULIP_STS_RXSTOPPED 0x00000100L /* (RW) Receive Process Stopped */ 502#define TULIP_STS_RXNOBUF 0x00000080L 503 504#define TULIP_CMD_TXRUN 0x00002000L /* (RW) Start/Stop Transmitter */ 505#define TULIP_CMD_RXRUN 0x00000002L /* (RW) Start/Stop Receive Filtering */ 506#define TULIP_DSTS_TxDEFERRED 0x00000001 /* Initially Deferred */ 507#define TULIP_DSTS_OWNER 0x80000000 /* Owner (1 = 21040) */ 508#define TULIP_DSTS_RxMIIERR 0x00000008 509#define LMC_DSTS_ERRSUM (TULIP_DSTS_RxMIIERR) 510 511#define TULIP_DEFAULT_INTR_MASK (TULIP_STS_NORMALINTR \ 512 | TULIP_STS_RXINTR \ 513 | TULIP_STS_TXINTR \ 514 | TULIP_STS_ABNRMLINTR \ 515 | TULIP_STS_SYSERROR \ 516 | TULIP_STS_TXSTOPPED \ 517 | TULIP_STS_TXUNDERFLOW\ 518 | TULIP_STS_RXSTOPPED ) 519 520#define DESC_OWNED_BY_SYSTEM ((u_int32_t)(0x00000000)) 521#define DESC_OWNED_BY_DC21X4 ((u_int32_t)(0x80000000)) 522 523#ifndef TULIP_CMD_RECEIVEALL 524#define TULIP_CMD_RECEIVEALL 0x40000000L 525#endif 526 527 528/* PCI register values */ 529#define CORRECT_VENDOR_ID 0x1011 530#define CORRECT_DEV_ID 9 531 532#define PCI_VENDOR_LMC 0x1376 533#define PCI_PRODUCT_LMC_HSSI 0x0003 534#define PCI_PRODUCT_LMC_DS3 0x0004 535#define PCI_PRODUCT_LMC_SSI 0x0005 536#define PCI_PRODUCT_LMC_T1 0x0006 537 538/* Adapcter module number */ 539#define LMC_ADAP_HSSI 2 540#define LMC_ADAP_DS3 3 541#define LMC_ADAP_SSI 4 542#define LMC_ADAP_T1 5 543 544#define HDLC_HDR_LEN 4 545#define HDLC_ADDR_LEN 1 546#define HDLC_SLARP 0x8035 547#define LMC_MTU 1500 548#define SLARP_LINECHECK 2 549 550#define LMC_CRC_LEN_16 2 /* 16-bit CRC */ 551#define LMC_CRC_LEN_32 4 552 553#if LINUX_VERSION_CODE < 0x20100 554#define test_and_set_bit(val, addr) set_bit(val, addr) 555#endif 556 557#ifdef LMC_HDLC 558/* definition of an hdlc header. */ 559struct hdlc_hdr 560{ 561 u8 address; 562 u8 control; 563 u16 type; 564}; 565 566/* definition of a slarp header. */ 567struct slarp 568{ 569 long code; 570 union sl 571 { 572 struct 573 { 574 ulong address; 575 ulong mask; 576 ushort unused; 577 } add; 578 struct 579 { 580 ulong mysequence; 581 ulong yoursequence; 582 ushort reliability; 583 ulong time; 584 } chk; 585 } t; 586}; 587#endif /* LMC_HDLC */ 588 589 590#endif /* _LMC_VAR_H_ */ 591