1 /* $NetBSD: if_devar.h,v 1.32 1999/04/01 14:55:25 tsubai Exp $ */ 2 3 /* $FreeBSD: src/sys/pci/if_devar.h,v 1.23.2.1 2000/08/04 23:25:10 peter Exp $ */ 4 /* $DragonFly: src/sys/dev/netif/de/if_devar.h,v 1.3 2004/01/06 03:17:22 dillon Exp $ */ 5 6 /*- 7 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. The name of the author may not be used to endorse or promote products 16 * derived from this software withough specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * Id: if_devar.h,v 1.28 1997/07/03 16:55:07 thomas Exp 30 */ 31 32 #if !defined(_DEVAR_H) 33 #define _DEVAR_H 34 35 typedef bus_addr_t tulip_csrptr_t; 36 37 #define TULIP_PCI_CSRSIZE 8 38 #define TULIP_PCI_CSROFFSET 0 39 40 #define TULIP_CSR_READ(sc, csr) \ 41 bus_space_read_4((sc)->tulip_csrs_bst, \ 42 (sc)->tulip_csrs_bsh, \ 43 (sc)->tulip_csrs.csr) 44 #define TULIP_CSR_WRITE(sc, csr, val) \ 45 bus_space_write_4((sc)->tulip_csrs_bst, \ 46 (sc)->tulip_csrs_bsh, \ 47 (sc)->tulip_csrs.csr, val) 48 49 #define TULIP_CSR_READBYTE(sc, csr) \ 50 bus_space_read_1((sc)->tulip_csrs_bst, \ 51 (sc)->tulip_csrs_bsh, \ 52 (sc)->tulip_csrs.csr) 53 #define TULIP_CSR_WRITEBYTE(sc, csr, val) \ 54 bus_space_write_1((sc)->tulip_csrs_bst, \ 55 (sc)->tulip_csrs_bsh, \ 56 (sc)->tulip_csrs.csr, val) 57 58 /* 59 * This structure contains "pointers" for the registers on 60 * the various 21x4x chips. CSR0 through CSR8 are common 61 * to all chips. After that, it gets messy... 62 */ 63 typedef struct { 64 tulip_csrptr_t csr_busmode; /* CSR0 */ 65 tulip_csrptr_t csr_txpoll; /* CSR1 */ 66 tulip_csrptr_t csr_rxpoll; /* CSR2 */ 67 tulip_csrptr_t csr_rxlist; /* CSR3 */ 68 tulip_csrptr_t csr_txlist; /* CSR4 */ 69 tulip_csrptr_t csr_status; /* CSR5 */ 70 tulip_csrptr_t csr_command; /* CSR6 */ 71 tulip_csrptr_t csr_intr; /* CSR7 */ 72 tulip_csrptr_t csr_missed_frames; /* CSR8 */ 73 tulip_csrptr_t csr_9; /* CSR9 */ 74 tulip_csrptr_t csr_10; /* CSR10 */ 75 tulip_csrptr_t csr_11; /* CSR11 */ 76 tulip_csrptr_t csr_12; /* CSR12 */ 77 tulip_csrptr_t csr_13; /* CSR13 */ 78 tulip_csrptr_t csr_14; /* CSR14 */ 79 tulip_csrptr_t csr_15; /* CSR15 */ 80 } tulip_regfile_t; 81 82 #define csr_enetrom csr_9 /* 21040 */ 83 #define csr_reserved csr_10 /* 21040 */ 84 #define csr_full_duplex csr_11 /* 21040 */ 85 #define csr_bootrom csr_10 /* 21041/21140A/?? */ 86 #define csr_gp csr_12 /* 21140* */ 87 #define csr_watchdog csr_15 /* 21140* */ 88 #define csr_gp_timer csr_11 /* 21041/21140* */ 89 #define csr_srom_mii csr_9 /* 21041/21140* */ 90 #define csr_sia_status csr_12 /* 2104x */ 91 #define csr_sia_connectivity csr_13 /* 2104x */ 92 #define csr_sia_tx_rx csr_14 /* 2104x */ 93 #define csr_sia_general csr_15 /* 2104x */ 94 95 /* 96 * While 21x4x allows chaining of its descriptors, this driver 97 * doesn't take advantage of it. We keep the descriptors in a 98 * traditional FIFO ring. 99 */ 100 typedef struct { 101 tulip_desc_t *ri_first; /* first entry in ring */ 102 tulip_desc_t *ri_last; /* one after last entry */ 103 tulip_desc_t *ri_nextin; /* next to processed by host */ 104 tulip_desc_t *ri_nextout; /* next to processed by adapter */ 105 int ri_max; 106 int ri_free; 107 } tulip_ringinfo_t; 108 109 /* 110 * The 21040 has a stupid restriction in that the receive 111 * buffers must be longword aligned. But since Ethernet 112 * headers are not a multiple of longwords in size this forces 113 * the data to non-longword aligned. Since IP requires the 114 * data to be longword aligned, we need to copy it after it has 115 * been DMA'ed in our memory. 116 * 117 * Since we have to copy it anyways, we might as well as allocate 118 * dedicated receive space for the input. This allows to use a 119 * small receive buffer size and more ring entries to be able to 120 * better keep with a flood of tiny Ethernet packets. 121 * 122 * The receive space MUST ALWAYS be a multiple of the page size. 123 * And the number of receive descriptors multiplied by the size 124 * of the receive buffers must equal the recevive space. This 125 * is so that we can manipulate the page tables so that even if a 126 * packet wraps around the end of the receive space, we can 127 * treat it as virtually contiguous. 128 * 129 * The above used to be true (the stupid restriction is still true) 130 * but we gone to directly DMA'ing into MBUFs (unless it's on an 131 * architecture which can't handle unaligned accesses) because with 132 * 100Mb/s cards the copying is just too much of a hit. 133 */ 134 #if !defined(__i386__) && !defined(__vax__) 135 #define TULIP_COPY_RXDATA 1 136 #endif 137 138 #define TULIP_DATA_PER_DESC 2032 139 #define TULIP_TXTIMER 4 140 #define TULIP_RXDESCS 48 141 #define TULIP_TXDESCS 128 142 #define TULIP_RXQ_TARGET 32 143 #if TULIP_RXQ_TARGET >= TULIP_RXDESCS 144 #error TULIP_RXQ_TARGET must be less than TULIP_RXDESCS 145 #endif 146 #define TULIP_RX_BUFLEN ((MCLBYTES < 2048 ? MCLBYTES : 2048) - 16) 147 148 /* 149 * Forward reference to make C happy. 150 */ 151 typedef struct _tulip_softc_t tulip_softc_t; 152 153 /* 154 * The various controllers support. 155 */ 156 157 typedef enum { 158 TULIP_21040, 159 TULIP_21041, 160 TULIP_21140, TULIP_21140A, TULIP_21142, 161 TULIP_21143, 162 TULIP_CHIPID_UNKNOWN 163 } tulip_chipid_t; 164 165 /* 166 * Various physical media types supported. 167 * BNCAUI is BNC or AUI since on the 21040 you can't really tell 168 * which is in use. 169 */ 170 typedef enum { 171 TULIP_MEDIA_UNKNOWN, 172 TULIP_MEDIA_10BASET, 173 TULIP_MEDIA_10BASET_FD, 174 TULIP_MEDIA_BNC, 175 TULIP_MEDIA_AUI, 176 TULIP_MEDIA_EXTSIA, 177 TULIP_MEDIA_AUIBNC, 178 TULIP_MEDIA_100BASETX, 179 TULIP_MEDIA_100BASETX_FD, 180 TULIP_MEDIA_100BASET4, 181 TULIP_MEDIA_100BASEFX, 182 TULIP_MEDIA_100BASEFX_FD, 183 TULIP_MEDIA_MAX 184 } tulip_media_t; 185 186 #define TULIP_BIT(b) (1L << ((int)(b))) 187 #define TULIP_FDBIT(m) (1L << ((int)TULIP_MEDIA_ ## m ## _FD)) 188 #define TULIP_MBIT(m) (1L << ((int)TULIP_MEDIA_ ## m )) 189 #define TULIP_IS_MEDIA_FD(m) (TULIP_BIT(m) & \ 190 (TULIP_FDBIT(10BASET) \ 191 |TULIP_FDBIT(100BASETX) \ 192 |TULIP_FDBIT(100BASEFX))) 193 #define TULIP_CAN_MEDIA_FD(m) (TULIP_BIT(m) & \ 194 (TULIP_MBIT(10BASET) \ 195 |TULIP_MBIT(100BASETX) \ 196 |TULIP_MBIT(100BASEFX))) 197 #define TULIP_FD_MEDIA_OF(m) ((tulip_media_t)((m) + 1)) 198 #define TULIP_HD_MEDIA_OF(m) ((tulip_media_t)((m) - 1)) 199 #define TULIP_IS_MEDIA_100MB(m) ((m) >= TULIP_MEDIA_100BASETX) 200 #define TULIP_IS_MEDIA_TP(m) ((TULIP_BIT(m) & \ 201 (TULIP_MBIT(BNC) \ 202 |TULIP_MBIT(AUI) \ 203 |TULIP_MBIT(AUIBNC) \ 204 |TULIP_MBIT(EXTSIA))) == 0) 205 206 #define TULIP_SROM_ATTR_MII 0x0100 207 #define TULIP_SROM_ATTR_NWAY 0x0200 208 #define TULIP_SROM_ATTR_AUTOSENSE 0x0400 209 #define TULIP_SROM_ATTR_POWERUP 0x0800 210 #define TULIP_SROM_ATTR_NOLINKPASS 0x1000 211 212 typedef struct { 213 enum { 214 TULIP_MEDIAINFO_NONE, 215 TULIP_MEDIAINFO_SIA, 216 TULIP_MEDIAINFO_GPR, 217 TULIP_MEDIAINFO_MII, 218 TULIP_MEDIAINFO_RESET, 219 TULIP_MEDIAINFO_SYM 220 } mi_type; 221 union { 222 struct { 223 u_int16_t sia_connectivity; 224 u_int16_t sia_tx_rx; 225 u_int16_t sia_general; 226 u_int32_t sia_gp_control; /* 21142/21143 */ 227 u_int32_t sia_gp_data; /* 21142/21143 */ 228 } un_sia; 229 struct { 230 u_int32_t gpr_cmdmode; 231 u_int32_t gpr_gpcontrol; /* 21142/21143 */ 232 u_int32_t gpr_gpdata; 233 u_int8_t gpr_actmask; 234 u_int8_t gpr_actdata; 235 u_int gpr_default : 1; 236 } un_gpr; 237 struct { 238 u_int32_t mii_mediamask; 239 u_int16_t mii_capabilities; 240 u_int16_t mii_advertisement; 241 u_int16_t mii_full_duplex; 242 u_int16_t mii_tx_threshold; 243 u_int16_t mii_interrupt; /* 21142/21143 */ 244 u_int8_t mii_phyaddr; 245 u_int8_t mii_gpr_length; 246 u_int8_t mii_gpr_offset; 247 u_int8_t mii_reset_length; 248 u_int8_t mii_reset_offset; 249 u_int32_t mii_phyid; 250 } un_mii; 251 } mi_un; 252 } tulip_media_info_t; 253 254 #define mi_sia_connectivity mi_un.un_sia.sia_connectivity 255 #define mi_sia_tx_rx mi_un.un_sia.sia_tx_rx 256 #define mi_sia_general mi_un.un_sia.sia_general 257 #define mi_sia_gp_control mi_un.un_sia.sia_gp_control 258 #define mi_sia_gp_data mi_un.un_sia.sia_gp_data 259 260 #define mi_gpcontrol mi_un.un_gpr.gpr_gpcontrol 261 #define mi_gpdata mi_un.un_gpr.gpr_gpdata 262 #define mi_actmask mi_un.un_gpr.gpr_actmask 263 #define mi_actdata mi_un.un_gpr.gpr_actdata 264 #define mi_default mi_un.un_gpr.gpr_default 265 #define mi_cmdmode mi_un.un_gpr.gpr_cmdmode 266 267 #define mi_phyaddr mi_un.un_mii.mii_phyaddr 268 #define mi_gpr_length mi_un.un_mii.mii_gpr_length 269 #define mi_gpr_offset mi_un.un_mii.mii_gpr_offset 270 #define mi_reset_length mi_un.un_mii.mii_reset_length 271 #define mi_reset_offset mi_un.un_mii.mii_reset_offset 272 #define mi_capabilities mi_un.un_mii.mii_capabilities 273 #define mi_advertisement mi_un.un_mii.mii_advertisement 274 #define mi_full_duplex mi_un.un_mii.mii_full_duplex 275 #define mi_tx_threshold mi_un.un_mii.mii_tx_threshold 276 #define mi_mediamask mi_un.un_mii.mii_mediamask 277 #define mi_mii_interrupt mi_un.un_mii.mii_interrupt 278 #define mi_phyid mi_un.un_mii.mii_phyid 279 280 #define TULIP_MEDIAINFO_SIA_INIT(sc, mi, chipid, media) do { \ 281 (mi)->mi_type = TULIP_MEDIAINFO_SIA; \ 282 sc->tulip_mediums[TULIP_MEDIA_ ## media] = (mi); \ 283 (mi)->mi_sia_connectivity = TULIP_ ## chipid ## _SIACONN_ ## media; \ 284 (mi)->mi_sia_tx_rx = TULIP_ ## chipid ## _SIATXRX_ ## media; \ 285 (mi)->mi_sia_general = TULIP_ ## chipid ## _SIAGEN_ ## media; \ 286 } while (0) 287 288 #define TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, media) do { \ 289 if ((sc)->tulip_mediums[TULIP_MEDIA_ ## media] == NULL \ 290 && ((mi)->mi_capabilities & PHYSTS_ ## media)) { \ 291 (sc)->tulip_mediums[TULIP_MEDIA_ ## media] = (mi); \ 292 (mi)->mi_mediamask |= TULIP_BIT(TULIP_MEDIA_ ## media); \ 293 } \ 294 } while (0) 295 296 #define TULIP_MII_NOPHY 32 297 /* 298 * Some boards need to treated specially. The following enumeration 299 * identifies the cards with quirks (or those we just want to single 300 * out for special merit or scorn). 301 */ 302 typedef enum { 303 TULIP_21040_GENERIC, /* Generic 21040 (works with most any board) */ 304 TULIP_21140_ISV, /* Digital Semicondutor 21140 ISV SROM Format */ 305 TULIP_21142_ISV, /* Digital Semicondutor 21142 ISV SROM Format */ 306 TULIP_21143_ISV, /* Digital Semicondutor 21143 ISV SROM Format */ 307 TULIP_21140_DEC_EB, /* Digital Semicondutor 21140 Evaluation Board */ 308 TULIP_21140_MII, /* 21140[A] with MII */ 309 TULIP_21140_DEC_DE500, /* Digital DE500-?? 10/100 */ 310 TULIP_21140_SMC_9332, /* SMC 9332 */ 311 TULIP_21140_COGENT_EM100, /* Cogent EM100 100 only */ 312 TULIP_21140_ZNYX_ZX34X, /* ZNYX ZX342 10/100 */ 313 TULIP_21140_ASANTE, /* AsanteFast 10/100 */ 314 TULIP_21140_EN1207, /* Accton EN2107 10/100 BNC */ 315 TULIP_21041_GENERIC /* Generic 21041 card */ 316 } tulip_board_t; 317 318 typedef enum { 319 TULIP_MEDIAPOLL_TIMER, /* 100ms timer fired */ 320 TULIP_MEDIAPOLL_FASTTIMER, /* <100ms timer fired */ 321 TULIP_MEDIAPOLL_LINKFAIL, /* called from interrupt routine */ 322 TULIP_MEDIAPOLL_LINKPASS, /* called from interrupt routine */ 323 TULIP_MEDIAPOLL_START, /* start a media probe (called from reset) */ 324 TULIP_MEDIAPOLL_TXPROBE_OK, /* txprobe succeeded */ 325 TULIP_MEDIAPOLL_TXPROBE_FAILED, /* txprobe failed */ 326 TULIP_MEDIAPOLL_MAX 327 } tulip_mediapoll_event_t; 328 329 typedef enum { 330 TULIP_LINK_DOWN, /* Link is down */ 331 TULIP_LINK_UP, /* link is ok */ 332 TULIP_LINK_UNKNOWN /* we can't tell either way */ 333 } tulip_link_status_t; 334 335 336 /* 337 * This data structure is used to abstract out the quirks. 338 * media_probe = tries to determine the media type. 339 * media_select = enables the current media (or autosenses) 340 * media_poll = autosenses media 341 * media_preset = 21140, etal requires bit to set before the 342 * the software reset; hence pre-set. Should be 343 * pre-reset but that's ugly. 344 */ 345 346 typedef struct { 347 tulip_board_t bd_type; 348 void (*bd_media_probe)(tulip_softc_t * const sc); 349 void (*bd_media_select)(tulip_softc_t * const sc); 350 void (*bd_media_poll)(tulip_softc_t * const sc, tulip_mediapoll_event_t event); 351 void (*bd_media_preset)(tulip_softc_t * const sc); 352 } tulip_boardsw_t; 353 354 /* 355 * The next few declarations are for MII/PHY based board. 356 * 357 * The first enumeration identifies a superset of various datums 358 * that can be obtained from various PHY chips. Not all PHYs will 359 * support all datums. 360 * The modedata structure indicates what register contains 361 * a datum, what mask is applied the register contents, and what the 362 * result should be. 363 * The attr structure records information about a supported PHY. 364 * The phy structure records information about a PHY instance. 365 */ 366 367 typedef enum { 368 PHY_MODE_10T, 369 PHY_MODE_100TX, 370 PHY_MODE_100T4, 371 PHY_MODE_FULLDUPLEX, 372 PHY_MODE_MAX 373 } tulip_phy_mode_t; 374 375 typedef struct { 376 u_int16_t pm_regno; 377 u_int16_t pm_mask; 378 u_int16_t pm_value; 379 } tulip_phy_modedata_t; 380 381 typedef struct { 382 u_int32_t attr_id; 383 u_int16_t attr_flags; 384 #define PHY_NEED_HARD_RESET 0x0001 385 #define PHY_DUAL_CYCLE_TA 0x0002 386 tulip_phy_modedata_t attr_modes[PHY_MODE_MAX]; 387 #ifdef TULIP_DEBUG 388 const char *attr_name; 389 #endif 390 } tulip_phy_attr_t; 391 392 /* 393 * Various probe states used when trying to autosense the media. 394 */ 395 396 typedef enum { 397 TULIP_PROBE_INACTIVE, 398 TULIP_PROBE_PHYRESET, 399 TULIP_PROBE_PHYAUTONEG, 400 TULIP_PROBE_GPRTEST, 401 TULIP_PROBE_MEDIATEST, 402 TULIP_PROBE_FAILED 403 } tulip_probe_state_t; 404 405 typedef struct { 406 /* 407 * Transmit Statistics 408 */ 409 u_int32_t dot3StatsSingleCollisionFrames; 410 u_int32_t dot3StatsMultipleCollisionFrames; 411 u_int32_t dot3StatsSQETestErrors; 412 u_int32_t dot3StatsDeferredTransmissions; 413 u_int32_t dot3StatsLateCollisions; 414 u_int32_t dot3StatsExcessiveCollisions; 415 u_int32_t dot3StatsCarrierSenseErrors; 416 u_int32_t dot3StatsInternalMacTransmitErrors; 417 u_int32_t dot3StatsInternalTransmitUnderflows; /* not in rfc1650! */ 418 u_int32_t dot3StatsInternalTransmitBabbles; /* not in rfc1650! */ 419 /* 420 * Receive Statistics 421 */ 422 u_int32_t dot3StatsMissedFrames; /* not in rfc1650! */ 423 u_int32_t dot3StatsAlignmentErrors; 424 u_int32_t dot3StatsFCSErrors; 425 u_int32_t dot3StatsFrameTooLongs; 426 u_int32_t dot3StatsInternalMacReceiveErrors; 427 } tulip_dot3_stats_t; 428 429 /* 430 * Now to important stuff. This is softc structure (where does softc 431 * come from??? No idea) for the tulip device. 432 */ 433 struct _tulip_softc_t { 434 struct ifmedia tulip_ifmedia; 435 #if defined(TULIP_BUS_DMA) 436 bus_dma_tag_t tulip_dmatag; /* bus DMA tag */ 437 #if !defined(TULIP_BUS_DMA_NOTX) 438 bus_dmamap_t tulip_setupmap; 439 bus_dmamap_t tulip_txdescmap; 440 bus_dmamap_t tulip_txmaps[TULIP_TXDESCS]; 441 unsigned tulip_txmaps_free; 442 #endif 443 #if !defined(TULIP_BUS_DMA_NORX) 444 bus_dmamap_t tulip_rxdescmap; 445 bus_dmamap_t tulip_rxmaps[TULIP_RXDESCS]; 446 unsigned tulip_rxmaps_free; 447 #endif 448 #endif 449 struct arpcom tulip_ac; 450 bus_space_tag_t tulip_csrs_bst; 451 bus_space_handle_t tulip_csrs_bsh; 452 tulip_regfile_t tulip_csrs; 453 u_int32_t tulip_flags; 454 #define TULIP_WANTSETUP 0x00000001 455 #define TULIP_WANTHASHPERFECT 0x00000002 456 #define TULIP_WANTHASHONLY 0x00000004 457 #define TULIP_DOINGSETUP 0x00000008 458 #define TULIP_PRINTMEDIA 0x00000010 459 #define TULIP_TXPROBE_ACTIVE 0x00000020 460 #define TULIP_ALLMULTI 0x00000040 461 #define TULIP_WANTRXACT 0x00000080 462 #define TULIP_RXACT 0x00000100 463 #define TULIP_INRESET 0x00000200 464 #define TULIP_NEEDRESET 0x00000400 465 #define TULIP_SQETEST 0x00000800 466 #define TULIP_xxxxxx0 0x00001000 467 #define TULIP_xxxxxx1 0x00002000 468 #define TULIP_WANTTXSTART 0x00004000 469 #define TULIP_NEWTXTHRESH 0x00008000 470 #define TULIP_NOAUTOSENSE 0x00010000 471 #define TULIP_PRINTLINKUP 0x00020000 472 #define TULIP_LINKUP 0x00040000 473 #define TULIP_RXBUFSLOW 0x00080000 474 #define TULIP_NOMESSAGES 0x00100000 475 #define TULIP_SYSTEMERROR 0x00200000 476 #define TULIP_TIMEOUTPENDING 0x00400000 477 #define TULIP_xxxxxx2 0x00800000 478 #define TULIP_TRYNWAY 0x01000000 479 #define TULIP_DIDNWAY 0x02000000 480 #define TULIP_RXIGNORE 0x04000000 481 #define TULIP_PROBE1STPASS 0x08000000 482 #define TULIP_DEVICEPROBE 0x10000000 483 #define TULIP_PROMISC 0x20000000 484 #define TULIP_HASHONLY 0x40000000 485 #define TULIP_xxxxxx3 0x80000000 486 /* only 4 bits left! */ 487 u_int32_t tulip_features; /* static bits indicating features of chip */ 488 #define TULIP_HAVE_GPR 0x00000001 /* have gp register (140[A]) */ 489 #define TULIP_HAVE_RXBADOVRFLW 0x00000002 /* RX corrupts on overflow */ 490 #define TULIP_HAVE_POWERMGMT 0x00000004 /* Snooze/sleep modes */ 491 #define TULIP_HAVE_MII 0x00000008 /* Some medium on MII */ 492 #define TULIP_HAVE_SIANWAY 0x00000010 /* SIA does NWAY */ 493 #define TULIP_HAVE_DUALSENSE 0x00000020 /* SIA senses both AUI & TP */ 494 #define TULIP_HAVE_SIAGP 0x00000040 /* SIA has a GP port */ 495 #define TULIP_HAVE_BROKEN_HASH 0x00000080 /* Broken Multicast Hash */ 496 #define TULIP_HAVE_ISVSROM 0x00000100 /* uses ISV SROM Format */ 497 #define TULIP_HAVE_BASEROM 0x00000200 /* Board ROM can be cloned */ 498 #define TULIP_HAVE_SLAVEDROM 0x00000400 /* Board ROM cloned */ 499 #define TULIP_HAVE_SLAVEDINTR 0x00000800 /* Board slaved interrupt */ 500 #define TULIP_HAVE_SHAREDINTR 0x00001000 /* Board shares interrupts */ 501 #define TULIP_HAVE_OKROM 0x00002000 /* ROM was recognized */ 502 #define TULIP_HAVE_NOMEDIA 0x00004000 /* did not detect any media */ 503 #define TULIP_HAVE_STOREFWD 0x00008000 /* have CMD_STOREFWD */ 504 #define TULIP_HAVE_SIA100 0x00010000 /* has LS100 in SIA status */ 505 #define TULIP_HAVE_OKSROM 0x00020000 /* SROM CRC is OK */ 506 u_int32_t tulip_intrmask; /* our copy of csr_intr */ 507 u_int32_t tulip_cmdmode; /* our copy of csr_cmdmode */ 508 u_int32_t tulip_last_system_error : 3; /* last system error (only value is TULIP_SYSTEMERROR is also set) */ 509 u_int32_t tulip_txtimer : 2; /* transmission timer */ 510 u_int32_t tulip_system_errors; /* number of system errors encountered */ 511 u_int32_t tulip_statusbits; /* status bits from CSR5 that may need to be printed */ 512 513 tulip_media_info_t *tulip_mediums[TULIP_MEDIA_MAX]; /* indexes into mediainfo */ 514 tulip_media_t tulip_media; /* current media type */ 515 u_int32_t tulip_abilities; /* remote system's abiltities (as defined in IEEE 802.3u) */ 516 517 u_int8_t tulip_revinfo; /* revision of chip */ 518 u_int8_t tulip_phyaddr; /* 0..31 -- address of current phy */ 519 u_int8_t tulip_gpinit; /* active pins on 21140 */ 520 u_int8_t tulip_gpdata; /* default gpdata for 21140 */ 521 522 struct { 523 u_int8_t probe_count; /* count of probe operations */ 524 int32_t probe_timeout; /* time in ms of probe timeout */ 525 tulip_probe_state_t probe_state; /* current media probe state */ 526 tulip_media_t probe_media; /* current media being probed */ 527 u_int32_t probe_mediamask; /* medias checked */ 528 u_int32_t probe_passes; /* times autosense failed */ 529 u_int32_t probe_txprobes; /* txprobes attempted */ 530 } tulip_probe; 531 #define tulip_probe_count tulip_probe.probe_count 532 #define tulip_probe_timeout tulip_probe.probe_timeout 533 #define tulip_probe_state tulip_probe.probe_state 534 #define tulip_probe_media tulip_probe.probe_media 535 #define tulip_probe_mediamask tulip_probe.probe_mediamask 536 #define tulip_probe_passes tulip_probe.probe_passes 537 538 tulip_chipid_t tulip_chipid; /* type of chip we are using */ 539 const tulip_boardsw_t *tulip_boardsw; /* board/chip characteristics */ 540 tulip_softc_t *tulip_slaves; /* slaved devices (ZX3xx) */ 541 #if defined(TULIP_DEBUG) 542 /* 543 * Debugging/Statistical information 544 */ 545 struct { 546 tulip_media_t dbg_last_media; 547 u_int32_t dbg_intrs; 548 u_int32_t dbg_media_probes; 549 u_int32_t dbg_txprobe_nocarr; 550 u_int32_t dbg_txprobe_exccoll; 551 u_int32_t dbg_link_downed; 552 u_int32_t dbg_link_suspected; 553 u_int32_t dbg_link_intrs; 554 u_int32_t dbg_link_pollintrs; 555 u_int32_t dbg_link_failures; 556 u_int32_t dbg_nway_starts; 557 u_int32_t dbg_nway_failures; 558 u_int16_t dbg_phyregs[32][4]; 559 u_int32_t dbg_rxlowbufs; 560 u_int32_t dbg_rxintrs; 561 u_int32_t dbg_last_rxintrs; 562 u_int32_t dbg_high_rxintrs_hz; 563 u_int32_t dbg_no_txmaps; 564 u_int32_t dbg_txput_finishes[8]; 565 u_int32_t dbg_txprobes_ok[TULIP_MEDIA_MAX]; 566 u_int32_t dbg_txprobes_failed[TULIP_MEDIA_MAX]; 567 u_int32_t dbg_events[TULIP_MEDIAPOLL_MAX]; 568 u_int32_t dbg_rxpktsperintr[TULIP_RXDESCS]; 569 } tulip_dbg; 570 #endif 571 #if defined(TULIP_PERFSTATS) 572 #define TULIP_PERF_CURRENT 0 573 #define TULIP_PERF_PREVIOUS 1 574 #define TULIP_PERF_TOTAL 2 575 #define TULIP_PERF_MAX 3 576 struct tulip_perfstats { 577 u_quad_t perf_intr_cycles; 578 u_quad_t perf_ifstart_cycles; 579 u_quad_t perf_ifstart_one_cycles; 580 u_quad_t perf_ifioctl_cycles; 581 u_quad_t perf_ifwatchdog_cycles; 582 u_quad_t perf_timeout_cycles; 583 u_quad_t perf_txput_cycles; 584 u_quad_t perf_txintr_cycles; 585 u_quad_t perf_rxintr_cycles; 586 u_quad_t perf_rxget_cycles; 587 unsigned perf_intr; 588 unsigned perf_ifstart; 589 unsigned perf_ifstart_one; 590 unsigned perf_ifioctl; 591 unsigned perf_ifwatchdog; 592 unsigned perf_timeout; 593 unsigned perf_txput; 594 unsigned perf_txintr; 595 unsigned perf_rxintr; 596 unsigned perf_rxget; 597 } tulip_perfstats[TULIP_PERF_MAX]; 598 #define tulip_curperfstats tulip_perfstats[TULIP_PERF_CURRENT] 599 #endif 600 struct ifqueue tulip_txq; 601 struct ifqueue tulip_rxq; 602 tulip_dot3_stats_t tulip_dot3stats; 603 tulip_ringinfo_t tulip_rxinfo; 604 tulip_ringinfo_t tulip_txinfo; 605 tulip_media_info_t tulip_mediainfo[10]; 606 /* 607 * The setup buffers for sending the setup frame to the chip. 608 * one is the one being sent while the other is the one being 609 * filled. 610 */ 611 u_int32_t tulip_setupbuf[192/sizeof(u_int32_t)]; 612 u_int32_t tulip_setupdata[192/sizeof(u_int32_t)]; 613 char tulip_boardid[16]; /* buffer for board ID */ 614 u_int8_t tulip_rombuf[128]; 615 u_int8_t tulip_pci_busno; /* needed for multiport boards */ 616 u_int8_t tulip_pci_devno; /* needed for multiport boards */ 617 u_int8_t tulip_connidx; 618 tulip_srom_connection_t tulip_conntype; 619 tulip_desc_t *tulip_rxdescs; 620 tulip_desc_t *tulip_txdescs; 621 }; 622 623 #define TULIP_DO_AUTOSENSE(sc) (IFM_SUBTYPE((sc)->tulip_ifmedia.ifm_media) == IFM_AUTO) 624 625 626 #if defined(TULIP_HDR_DATA) 627 static const char * const tulip_chipdescs[] = { 628 "21040 [10Mb/s]", 629 "21041 [10Mb/s]", 630 "21140 [10-100Mb/s]", 631 "21140A [10-100Mb/s]", 632 "21142 [10-100Mb/s]", 633 "21143 [10-100Mb/s]", 634 }; 635 636 static const char * const tulip_mediums[] = { 637 "unknown", /* TULIP_MEDIA_UNKNOWN */ 638 "10baseT", /* TULIP_MEDIA_10BASET */ 639 "Full Duplex 10baseT", /* TULIP_MEDIA_10BASET_FD */ 640 "BNC", /* TULIP_MEDIA_BNC */ 641 "AUI", /* TULIP_MEDIA_AUI */ 642 "External SIA", /* TULIP_MEDIA_EXTSIA */ 643 "AUI/BNC", /* TULIP_MEDIA_AUIBNC */ 644 "100baseTX", /* TULIP_MEDIA_100BASET */ 645 "Full Duplex 100baseTX", /* TULIP_MEDIA_100BASET_FD */ 646 "100baseT4", /* TULIP_MEDIA_100BASET4 */ 647 "100baseFX", /* TULIP_MEDIA_100BASEFX */ 648 "Full Duplex 100baseFX", /* TULIP_MEDIA_100BASEFX_FD */ 649 }; 650 651 static const int tulip_media_to_ifmedia[] = { 652 IFM_ETHER | IFM_NONE, /* TULIP_MEDIA_UNKNOWN */ 653 IFM_ETHER | IFM_10_T, /* TULIP_MEDIA_10BASET */ 654 IFM_ETHER | IFM_10_T | IFM_FDX, /* TULIP_MEDIA_10BASET_FD */ 655 IFM_ETHER | IFM_10_2, /* TULIP_MEDIA_BNC */ 656 IFM_ETHER | IFM_10_5, /* TULIP_MEDIA_AUI */ 657 IFM_ETHER | IFM_MANUAL, /* TULIP_MEDIA_EXTSIA */ 658 IFM_ETHER | IFM_10_5, /* TULIP_MEDIA_AUIBNC */ 659 IFM_ETHER | IFM_100_TX, /* TULIP_MEDIA_100BASET */ 660 IFM_ETHER | IFM_100_TX | IFM_FDX, /* TULIP_MEDIA_100BASET_FD */ 661 IFM_ETHER | IFM_100_T4, /* TULIP_MEDIA_100BASET4 */ 662 IFM_ETHER | IFM_100_FX, /* TULIP_MEDIA_100BASEFX */ 663 IFM_ETHER | IFM_100_FX | IFM_FDX, /* TULIP_MEDIA_100BASEFX_FD */ 664 }; 665 666 static const char * const tulip_system_errors[] = { 667 "parity error", 668 "master abort", 669 "target abort", 670 "reserved #3", 671 "reserved #4", 672 "reserved #5", 673 "reserved #6", 674 "reserved #7", 675 }; 676 677 static const char * const tulip_status_bits[] = { 678 NULL, 679 "transmit process stopped", 680 NULL, 681 "transmit jabber timeout", 682 683 NULL, 684 "transmit underflow", 685 NULL, 686 "receive underflow", 687 688 "receive process stopped", 689 "receive watchdog timeout", 690 NULL, 691 NULL, 692 693 "link failure", 694 NULL, 695 NULL, 696 }; 697 698 static const struct { 699 tulip_srom_connection_t sc_type; 700 tulip_media_t sc_media; 701 u_int32_t sc_attrs; 702 } tulip_srom_conninfo[] = { 703 { TULIP_SROM_CONNTYPE_10BASET, TULIP_MEDIA_10BASET }, 704 { TULIP_SROM_CONNTYPE_BNC, TULIP_MEDIA_BNC }, 705 { TULIP_SROM_CONNTYPE_AUI, TULIP_MEDIA_AUI }, 706 { TULIP_SROM_CONNTYPE_100BASETX, TULIP_MEDIA_100BASETX }, 707 { TULIP_SROM_CONNTYPE_100BASET4, TULIP_MEDIA_100BASET4 }, 708 { TULIP_SROM_CONNTYPE_100BASEFX, TULIP_MEDIA_100BASEFX }, 709 { TULIP_SROM_CONNTYPE_MII_10BASET, TULIP_MEDIA_10BASET, 710 TULIP_SROM_ATTR_MII }, 711 { TULIP_SROM_CONNTYPE_MII_100BASETX, TULIP_MEDIA_100BASETX, 712 TULIP_SROM_ATTR_MII }, 713 { TULIP_SROM_CONNTYPE_MII_100BASET4, TULIP_MEDIA_100BASET4, 714 TULIP_SROM_ATTR_MII }, 715 { TULIP_SROM_CONNTYPE_MII_100BASEFX, TULIP_MEDIA_100BASEFX, 716 TULIP_SROM_ATTR_MII }, 717 { TULIP_SROM_CONNTYPE_10BASET_NWAY, TULIP_MEDIA_10BASET, 718 TULIP_SROM_ATTR_NWAY }, 719 { TULIP_SROM_CONNTYPE_10BASET_FD, TULIP_MEDIA_10BASET_FD }, 720 { TULIP_SROM_CONNTYPE_MII_10BASET_FD, TULIP_MEDIA_10BASET_FD, 721 TULIP_SROM_ATTR_MII }, 722 { TULIP_SROM_CONNTYPE_100BASETX_FD, TULIP_MEDIA_100BASETX_FD }, 723 { TULIP_SROM_CONNTYPE_MII_100BASETX_FD, TULIP_MEDIA_100BASETX_FD, 724 TULIP_SROM_ATTR_MII }, 725 { TULIP_SROM_CONNTYPE_10BASET_NOLINKPASS, TULIP_MEDIA_10BASET, 726 TULIP_SROM_ATTR_NOLINKPASS }, 727 { TULIP_SROM_CONNTYPE_AUTOSENSE, TULIP_MEDIA_UNKNOWN, 728 TULIP_SROM_ATTR_AUTOSENSE }, 729 { TULIP_SROM_CONNTYPE_AUTOSENSE_POWERUP, TULIP_MEDIA_UNKNOWN, 730 TULIP_SROM_ATTR_AUTOSENSE|TULIP_SROM_ATTR_POWERUP }, 731 { TULIP_SROM_CONNTYPE_AUTOSENSE_NWAY, TULIP_MEDIA_UNKNOWN, 732 TULIP_SROM_ATTR_AUTOSENSE|TULIP_SROM_ATTR_NWAY }, 733 { TULIP_SROM_CONNTYPE_NOT_USED, TULIP_MEDIA_UNKNOWN } 734 }; 735 #define TULIP_SROM_LASTCONNIDX \ 736 (sizeof(tulip_srom_conninfo)/sizeof(tulip_srom_conninfo[0]) - 1) 737 738 static const struct { 739 tulip_media_t sm_type; 740 tulip_srom_media_t sm_srom_type; 741 } tulip_srom_mediums[] = { 742 { TULIP_MEDIA_100BASEFX_FD, TULIP_SROM_MEDIA_100BASEFX_FD }, 743 { TULIP_MEDIA_100BASEFX, TULIP_SROM_MEDIA_100BASEFX }, 744 { TULIP_MEDIA_100BASET4, TULIP_SROM_MEDIA_100BASET4 }, 745 { TULIP_MEDIA_100BASETX_FD, TULIP_SROM_MEDIA_100BASETX_FD }, 746 { TULIP_MEDIA_100BASETX, TULIP_SROM_MEDIA_100BASETX }, 747 { TULIP_MEDIA_10BASET_FD, TULIP_SROM_MEDIA_10BASET_FD }, 748 { TULIP_MEDIA_AUI, TULIP_SROM_MEDIA_AUI }, 749 { TULIP_MEDIA_BNC, TULIP_SROM_MEDIA_BNC }, 750 { TULIP_MEDIA_10BASET, TULIP_SROM_MEDIA_10BASET }, 751 { TULIP_MEDIA_UNKNOWN } 752 }; 753 #endif /* TULIP_HDR_DATA */ 754 755 /* 756 * This driver supports a maximum of 32 tulip boards. 757 * This should be enough for the forseeable future. 758 */ 759 #define TULIP_MAX_DEVICES 32 760 761 #if defined(TULIP_USE_SOFTINTR) && defined(TULIP_HDR_DATA) 762 static u_int32_t tulip_softintr_mask; 763 static int tulip_softintr_last_unit; 764 static int tulip_softintr_max_unit; 765 static void tulip_softintr(void); 766 #endif 767 768 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 769 #define TULIP_RXDESC_PRESYNC(sc, di, s) \ 770 bus_dmamap_sync((sc)->tulip_dmatag, (sc)->tulip_rxdescmap, \ 771 (caddr_t) di - (caddr_t) (sc)->tulip_rxdescs, \ 772 (s), BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE) 773 #define TULIP_RXDESC_POSTSYNC(sc, di, s) \ 774 bus_dmamap_sync((sc)->tulip_dmatag, (sc)->tulip_rxdescmap, \ 775 (caddr_t) di - (caddr_t) (sc)->tulip_rxdescs, \ 776 (s), BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE) 777 #define TULIP_RXMAP_PRESYNC(sc, map) \ 778 bus_dmamap_sync((sc)->tulip_dmatag, (map), 0, (map)->dm_mapsize, \ 779 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE) 780 #define TULIP_RXMAP_POSTSYNC(sc, map) \ 781 bus_dmamap_sync((sc)->tulip_dmatag, (map), 0, (map)->dm_mapsize, \ 782 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE) 783 #define TULIP_RXMAP_CREATE(sc, mapp) \ 784 bus_dmamap_create((sc)->tulip_dmatag, TULIP_RX_BUFLEN, 2, \ 785 TULIP_DATA_PER_DESC, 0, \ 786 BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, (mapp)) 787 #else 788 #ifdef __alpha__ 789 #define TULIP_RXDESC_PRESYNC(sc, di, s) alpha_mb() 790 #define TULIP_RXDESC_POSTSYNC(sc, di, s) alpha_mb() 791 #define TULIP_RXMAP_PRESYNC(sc, map) alpha_mb() 792 #define TULIP_RXMAP_POSTSYNC(sc, map) alpha_mb() 793 #else 794 #define TULIP_RXDESC_PRESYNC(sc, di, s) do { } while (0) 795 #define TULIP_RXDESC_POSTSYNC(sc, di, s) do { } while (0) 796 #define TULIP_RXMAP_PRESYNC(sc, map) do { } while (0) 797 #define TULIP_RXMAP_POSTSYNC(sc, map) do { } while (0) 798 #endif 799 #define TULIP_RXMAP_CREATE(sc, mapp) do { } while (0) 800 #endif 801 802 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 803 #define TULIP_TXDESC_PRESYNC(sc, di, s) \ 804 bus_dmamap_sync((sc)->tulip_dmatag, (sc)->tulip_txdescmap, \ 805 (caddr_t) di - (caddr_t) (sc)->tulip_txdescs, \ 806 (s), BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE) 807 #define TULIP_TXDESC_POSTSYNC(sc, di, s) \ 808 bus_dmamap_sync((sc)->tulip_dmatag, (sc)->tulip_txdescmap, \ 809 (caddr_t) di - (caddr_t) (sc)->tulip_txdescs, \ 810 (s), BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE) 811 #define TULIP_TXMAP_PRESYNC(sc, map) \ 812 bus_dmamap_sync((sc)->tulip_dmatag, (map), 0, (map)->dm_mapsize, \ 813 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE) 814 #define TULIP_TXMAP_POSTSYNC(sc, map) \ 815 bus_dmamap_sync((sc)->tulip_dmatag, (map), 0, (map)->dm_mapsize, \ 816 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE) 817 #define TULIP_TXMAP_CREATE(sc, mapp) \ 818 bus_dmamap_create((sc)->tulip_dmatag, TULIP_DATA_PER_DESC, \ 819 TULIP_MAX_TXSEG, TULIP_DATA_PER_DESC, \ 820 0, BUS_DMA_NOWAIT, (mapp)) 821 #else 822 #ifdef __alpha__ 823 #define TULIP_TXDESC_PRESYNC(sc, di, s) alpha_mb() 824 #define TULIP_TXDESC_POSTSYNC(sc, di, s) alpha_mb() 825 #define TULIP_TXMAP_PRESYNC(sc, map) alpha_mb() 826 #define TULIP_TXMAP_POSTSYNC(sc, map) alpha_mb() 827 #else 828 #define TULIP_TXDESC_PRESYNC(sc, di, s) do { } while (0) 829 #define TULIP_TXDESC_POSTSYNC(sc, di, s) do { } while (0) 830 #define TULIP_TXMAP_PRESYNC(sc, map) do { } while (0) 831 #define TULIP_TXMAP_POSTSYNC(sc, map) do { } while (0) 832 #endif 833 #define TULIP_TXMAP_CREATE(sc, mapp) do { } while (0) 834 #endif 835 836 #ifdef notyet 837 #define SIOCGADDRROM _IOW('i', 240, struct ifreq) /* get 128 bytes of ROM */ 838 #define SIOCGCHIPID _IOWR('i', 241, struct ifreq) /* get chipid */ 839 #endif 840 841 #if defined(TULIP_HDR_DATA) 842 static tulip_softc_t *tulips[TULIP_MAX_DEVICES]; 843 #endif 844 845 #if defined(TULIP_USE_SOFTINTR) 846 NETISR_SET(NETISR_DE, tulip_softintr); 847 #endif 848 849 #define loudprintf if (bootverbose) printf 850 851 #ifndef tulip_if 852 #define tulip_if tulip_ac.ac_if 853 #endif 854 #ifndef tulip_unit 855 #define tulip_unit tulip_if.if_dunit 856 #endif 857 #define tulip_name tulip_if.if_dname 858 #ifndef tulip_enaddr 859 #define tulip_enaddr tulip_ac.ac_enaddr 860 #endif 861 862 #if !defined(TULIP_KVATOPHYS) && (!defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NORX) || defined(TULIP_BUS_DMA_NOTX)) 863 #if defined(__alpha__) 864 /* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */ 865 #define vtobus(va) alpha_XXX_dmamap((vm_offset_t)va) 866 #else 867 #define vtobus(va) vtophys(va) 868 #endif 869 #define TULIP_KVATOPHYS(sc, va) vtobus(va) 870 #endif 871 872 #if defined(TULIP_PERFSTATS) 873 #define TULIP_PERFMERGE(sc, member) \ 874 do { (sc)->tulip_perfstats[TULIP_PERF_TOTAL].member \ 875 += (sc)->tulip_perfstats[TULIP_PERF_CURRENT].member; \ 876 (sc)->tulip_perfstats[TULIP_PERF_PREVIOUS].member \ 877 = (sc)->tulip_perfstats[TULIP_PERF_CURRENT].member; \ 878 (sc)->tulip_perfstats[TULIP_PERF_CURRENT].member = 0; } while (0) 879 #define TULIP_PERFSTART(name) const tulip_cycle_t perfstart_ ## name = TULIP_PERFREAD(); 880 #define TULIP_PERFEND(name) do { \ 881 (sc)->tulip_curperfstats.perf_ ## name ## _cycles += TULIP_PERFDIFF(perfstart_ ## name, TULIP_PERFREAD()); \ 882 (sc)->tulip_curperfstats.perf_ ## name ++; \ 883 } while (0) 884 #if defined(__i386__) 885 typedef u_quad_t tulip_cycle_t; 886 static __inline__ tulip_cycle_t 887 TULIP_PERFREAD( 888 void) 889 { 890 tulip_cycle_t x; 891 __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x)); 892 return x; 893 } 894 #define TULIP_PERFDIFF(s, f) ((f) - (s)) 895 #elif defined(__alpha__) 896 typedef unsigned long tulip_cycle_t; 897 static __inline__ tulip_cycle_t 898 TULIP_PERFREAD( 899 void) 900 { 901 tulip_cycle_t x; 902 __asm__ volatile ("rpcc %0" : "=r" (x)); 903 return x; 904 } 905 #define TULIP_PERFDIFF(s, f) ((unsigned int) ((f) - (s))) 906 #endif 907 #else 908 #define TULIP_PERFSTART(name) 909 #define TULIP_PERFEND(name) do { } while (0) 910 #define TULIP_PERFMERGE(s,n) do { } while (0) 911 #endif /* TULIP_PERFSTATS */ 912 913 #define TULIP_CRC32_POLY 0xEDB88320UL /* CRC-32 Poly -- Little Endian */ 914 #define TULIP_MAX_TXSEG 30 915 916 #define TULIP_ADDREQUAL(a1, a2) \ 917 (((u_int16_t *)a1)[0] == ((u_int16_t *)a2)[0] \ 918 && ((u_int16_t *)a1)[1] == ((u_int16_t *)a2)[1] \ 919 && ((u_int16_t *)a1)[2] == ((u_int16_t *)a2)[2]) 920 #define TULIP_ADDRBRDCST(a1) \ 921 (((u_int16_t *)a1)[0] == 0xFFFFU \ 922 && ((u_int16_t *)a1)[1] == 0xFFFFU \ 923 && ((u_int16_t *)a1)[2] == 0xFFFFU) 924 925 #endif /* !defined(_DEVAR_H) */ 926