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sys/pci/if_devar.h
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1 /* $NetBSD: if_devar.h,v 1.32 1999/04/01 14:55:25 tsubai Exp $ */ 2 3 /* $FreeBSD: releng/6.0/sys/pci/if_devar.h 148746 2005-08-05 19:07:19Z jhb $ */ 4 5 /*- 6 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Id: if_devar.h,v 1.28 1997/07/03 16:55:07 thomas Exp 29 */ 30 31 #ifndef _DEVAR_H 32 #define _DEVAR_H 33 34 typedef bus_addr_t tulip_csrptr_t; 35 36 #define TULIP_PCI_CSRSIZE 8 37 #define TULIP_PCI_CSROFFSET 0 38 39 #define TULIP_CSR_READ(sc, csr) \ 40 bus_space_read_4((sc)->tulip_csrs_bst, \ 41 (sc)->tulip_csrs_bsh, \ 42 (sc)->tulip_csrs.csr) 43 #define TULIP_CSR_WRITE(sc, csr, val) \ 44 bus_space_write_4((sc)->tulip_csrs_bst, \ 45 (sc)->tulip_csrs_bsh, \ 46 (sc)->tulip_csrs.csr, val) 47 48 #define TULIP_CSR_READBYTE(sc, csr) \ 49 bus_space_read_1((sc)->tulip_csrs_bst, \ 50 (sc)->tulip_csrs_bsh, \ 51 (sc)->tulip_csrs.csr) 52 #define TULIP_CSR_WRITEBYTE(sc, csr, val) \ 53 bus_space_write_1((sc)->tulip_csrs_bst, \ 54 (sc)->tulip_csrs_bsh, \ 55 (sc)->tulip_csrs.csr, val) 56 57 /* 58 * This structure contains "pointers" for the registers on 59 * the various 21x4x chips. CSR0 through CSR8 are common 60 * to all chips. After that, it gets messy... 61 */ 62 typedef struct { 63 tulip_csrptr_t csr_busmode; /* CSR0 */ 64 tulip_csrptr_t csr_txpoll; /* CSR1 */ 65 tulip_csrptr_t csr_rxpoll; /* CSR2 */ 66 tulip_csrptr_t csr_rxlist; /* CSR3 */ 67 tulip_csrptr_t csr_txlist; /* CSR4 */ 68 tulip_csrptr_t csr_status; /* CSR5 */ 69 tulip_csrptr_t csr_command; /* CSR6 */ 70 tulip_csrptr_t csr_intr; /* CSR7 */ 71 tulip_csrptr_t csr_missed_frames; /* CSR8 */ 72 tulip_csrptr_t csr_9; /* CSR9 */ 73 tulip_csrptr_t csr_10; /* CSR10 */ 74 tulip_csrptr_t csr_11; /* CSR11 */ 75 tulip_csrptr_t csr_12; /* CSR12 */ 76 tulip_csrptr_t csr_13; /* CSR13 */ 77 tulip_csrptr_t csr_14; /* CSR14 */ 78 tulip_csrptr_t csr_15; /* CSR15 */ 79 } tulip_regfile_t; 80 81 #define csr_enetrom csr_9 /* 21040 */ 82 #define csr_reserved csr_10 /* 21040 */ 83 #define csr_full_duplex csr_11 /* 21040 */ 84 #define csr_bootrom csr_10 /* 21041/21140A/?? */ 85 #define csr_gp csr_12 /* 21140* */ 86 #define csr_watchdog csr_15 /* 21140* */ 87 #define csr_gp_timer csr_11 /* 21041/21140* */ 88 #define csr_srom_mii csr_9 /* 21041/21140* */ 89 #define csr_sia_status csr_12 /* 2104x */ 90 #define csr_sia_connectivity csr_13 /* 2104x */ 91 #define csr_sia_tx_rx csr_14 /* 2104x */ 92 #define csr_sia_general csr_15 /* 2104x */ 93 94 /* 95 * While 21x4x allows chaining of its descriptors, this driver 96 * doesn't take advantage of it. We keep the descriptors in a 97 * traditional FIFO ring. 98 */ 99 typedef struct { 100 tulip_desc_t *ri_first; /* first entry in ring */ 101 tulip_desc_t *ri_last; /* one after last entry */ 102 tulip_desc_t *ri_nextin; /* next to processed by host */ 103 tulip_desc_t *ri_nextout; /* next to processed by adapter */ 104 int ri_max; 105 int ri_free; 106 } tulip_ringinfo_t; 107 108 /* 109 * The 21040 has a stupid restriction in that the receive 110 * buffers must be longword aligned. But since Ethernet 111 * headers are not a multiple of longwords in size this forces 112 * the data to non-longword aligned. Since IP requires the 113 * data to be longword aligned, we need to copy it after it has 114 * been DMA'ed in our memory. 115 * 116 * Since we have to copy it anyways, we might as well as allocate 117 * dedicated receive space for the input. This allows to use a 118 * small receive buffer size and more ring entries to be able to 119 * better keep with a flood of tiny Ethernet packets. 120 * 121 * The receive space MUST ALWAYS be a multiple of the page size. 122 * And the number of receive descriptors multiplied by the size 123 * of the receive buffers must equal the receive space. This 124 * is so that we can manipulate the page tables so that even if a 125 * packet wraps around the end of the receive space, we can 126 * treat it as virtually contiguous. 127 * 128 * The above used to be true (the stupid restriction is still true) 129 * but we gone to directly DMA'ing into MBUFs (unless it's on an 130 * architecture which can't handle unaligned accesses) because with 131 * 100Mb/s cards the copying is just too much of a hit. 132 */ 133 #if !defined(__i386__) 134 #define TULIP_COPY_RXDATA 1 135 #endif 136 137 #define TULIP_DATA_PER_DESC 2032 138 #define TULIP_TXTIMER 4 139 #define TULIP_RXDESCS 48 140 #define TULIP_TXDESCS 128 141 #define TULIP_RXQ_TARGET 32 142 #if TULIP_RXQ_TARGET >= TULIP_RXDESCS 143 #error TULIP_RXQ_TARGET must be less than TULIP_RXDESCS 144 #endif 145 #define TULIP_RX_BUFLEN ((MCLBYTES < 2048 ? MCLBYTES : 2048) - 16) 146 147 /* 148 * Forward reference to make C happy. 149 */ 150 typedef struct tulip_softc tulip_softc_t; 151 152 /* 153 * Enumeration of the various controllers supported. 154 */ 155 typedef enum { 156 TULIP_21040, 157 TULIP_21041, 158 TULIP_21140, 159 TULIP_21140A, 160 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 Eval. 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 (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 * This data structure is used to abstract out the quirks. 337 * media_probe = tries to determine the media type. 338 * media_select = enables the current media (or autosenses) 339 * media_poll = autosenses media 340 * media_preset = 21140, etal requires bit to set before the 341 * the software reset; hence pre-set. Should be 342 * pre-reset but that's ugly. 343 */ 344 typedef struct { 345 tulip_board_t bd_type; 346 void (*bd_media_probe)(tulip_softc_t * const sc); 347 void (*bd_media_select)(tulip_softc_t * const sc); 348 void (*bd_media_poll)(tulip_softc_t * const sc, 349 tulip_mediapoll_event_t event); 350 void (*bd_media_preset) (tulip_softc_t * const sc); 351 } tulip_boardsw_t; 352 353 /* 354 * The next few declarations are for MII/PHY based boards. 355 * 356 * The first enumeration identifies a superset of various datums 357 * that can be obtained from various PHY chips. Not all PHYs will 358 * support all datums. 359 * The modedata structure indicates what register contains 360 * a datum, what mask is applied the register contents, and what the 361 * result should be. 362 * The attr structure records information about a supported PHY. 363 * The phy structure records information about a PHY instance. 364 */ 365 typedef enum { 366 PHY_MODE_10T, 367 PHY_MODE_100TX, 368 PHY_MODE_100T4, 369 PHY_MODE_FULLDUPLEX, 370 PHY_MODE_MAX 371 } tulip_phy_mode_t; 372 373 typedef struct { 374 u_int16_t pm_regno; 375 u_int16_t pm_mask; 376 u_int16_t pm_value; 377 } tulip_phy_modedata_t; 378 379 typedef struct { 380 u_int32_t attr_id; 381 u_int16_t attr_flags; 382 tulip_phy_modedata_t attr_modes[PHY_MODE_MAX]; 383 #ifdef TULIP_DEBUG 384 const char *attr_name; 385 #endif 386 } tulip_phy_attr_t; 387 388 /* Definitions for tulip_phy_attr_t.attr_flags */ 389 #define PHY_NEED_HARD_RESET 0x0001 390 #define PHY_DUAL_CYCLE_TA 0x0002 391 392 /* 393 * Various probe states used when trying to autosense the media. 394 */ 395 typedef enum { 396 TULIP_PROBE_INACTIVE, 397 TULIP_PROBE_PHYRESET, 398 TULIP_PROBE_PHYAUTONEG, 399 TULIP_PROBE_GPRTEST, 400 TULIP_PROBE_MEDIATEST, 401 TULIP_PROBE_FAILED 402 } tulip_probe_state_t; 403 404 typedef struct { 405 /* 406 * Transmit Statistics 407 */ 408 u_int32_t dot3StatsSingleCollisionFrames; 409 u_int32_t dot3StatsMultipleCollisionFrames; 410 u_int32_t dot3StatsSQETestErrors; 411 u_int32_t dot3StatsDeferredTransmissions; 412 u_int32_t dot3StatsLateCollisions; 413 u_int32_t dot3StatsExcessiveCollisions; 414 u_int32_t dot3StatsCarrierSenseErrors; 415 u_int32_t dot3StatsInternalMacTransmitErrors; 416 /* not in rfc1650! */ 417 u_int32_t dot3StatsInternalTransmitUnderflows; 418 /* not in rfc1650! */ 419 u_int32_t dot3StatsInternalTransmitBabbles; 420 /* 421 * Receive Statistics 422 */ 423 u_int32_t dot3StatsMissedFrames; /* not in rfc1650! */ 424 u_int32_t dot3StatsAlignmentErrors; 425 u_int32_t dot3StatsFCSErrors; 426 u_int32_t dot3StatsFrameTooLongs; 427 u_int32_t dot3StatsInternalMacReceiveErrors; 428 } tulip_dot3_stats_t; 429 430 /* 431 * Probe information. 432 */ 433 struct tulip_probe_info { 434 u_int8_t probe_count; /* count of probe operations */ 435 int32_t probe_timeout; /* time (ms) of probe timeout */ 436 tulip_probe_state_t probe_state; /* current media probe state */ 437 tulip_media_t probe_media; /* current media being probed */ 438 u_int32_t probe_mediamask; /* medias checked */ 439 u_int32_t probe_passes; /* times autosense failed */ 440 u_int32_t probe_txprobes; /* txprobes attempted */ 441 }; 442 443 /* 444 * Debugging/Statistical information. 445 */ 446 struct tulip_dbg_info { 447 tulip_media_t dbg_last_media; 448 u_int32_t dbg_intrs; 449 u_int32_t dbg_media_probes; 450 u_int32_t dbg_txprobe_nocarr; 451 u_int32_t dbg_txprobe_exccoll; 452 u_int32_t dbg_link_downed; 453 u_int32_t dbg_link_suspected; 454 u_int32_t dbg_link_intrs; 455 u_int32_t dbg_link_pollintrs; 456 u_int32_t dbg_link_failures; 457 u_int32_t dbg_nway_starts; 458 u_int32_t dbg_nway_failures; 459 u_int16_t dbg_phyregs[32][4]; 460 u_int32_t dbg_rxlowbufs; 461 u_int32_t dbg_rxintrs; 462 u_int32_t dbg_last_rxintrs; 463 u_int32_t dbg_high_rxintrs_hz; 464 u_int32_t dbg_no_txmaps; 465 u_int32_t dbg_txput_finishes[8]; 466 u_int32_t dbg_txprobes_ok[TULIP_MEDIA_MAX]; 467 u_int32_t dbg_txprobes_failed[TULIP_MEDIA_MAX]; 468 u_int32_t dbg_events[TULIP_MEDIAPOLL_MAX]; 469 u_int32_t dbg_rxpktsperintr[TULIP_RXDESCS]; 470 }; 471 472 /* 473 * Performance statistics. 474 */ 475 struct tulip_perfstat { 476 u_quad_t perf_intr_cycles; 477 u_quad_t perf_ifstart_cycles; 478 u_quad_t perf_ifstart_one_cycles; 479 u_quad_t perf_ifioctl_cycles; 480 u_quad_t perf_ifwatchdog_cycles; 481 u_quad_t perf_timeout_cycles; 482 u_quad_t perf_txput_cycles; 483 u_quad_t perf_txintr_cycles; 484 u_quad_t perf_rxintr_cycles; 485 u_quad_t perf_rxget_cycles; 486 unsigned int perf_intr; 487 unsigned int perf_ifstart; 488 unsigned int perf_ifstart_one; 489 unsigned int perf_ifioctl; 490 unsigned int perf_ifwatchdog; 491 unsigned int perf_timeout; 492 unsigned int perf_txput; 493 unsigned int perf_txintr; 494 unsigned int perf_rxintr; 495 unsigned int perf_rxget; 496 }; 497 #define TULIP_PERF_CURRENT 0 498 #define TULIP_PERF_PREVIOUS 1 499 #define TULIP_PERF_TOTAL 2 500 #define TULIP_PERF_MAX 3 501 502 /* 503 * Per-driver-instance state. 504 */ 505 struct tulip_softc { 506 struct ifmedia tulip_ifmedia; 507 int tulip_unit; 508 #if defined(TULIP_BUS_DMA) 509 bus_dma_tag_t tulip_dmatag; 510 #if !defined(TULIP_BUS_DMA_NOTX) 511 bus_dmamap_t tulip_setupmap; 512 bus_dmamap_t tulip_txdescmap; 513 bus_dmamap_t tulip_txmaps[TULIP_TXDESCS]; 514 unsigned int tulip_txmaps_free; 515 #endif 516 #if !defined(TULIP_BUS_DMA_NORX) 517 bus_dmamap_t tulip_rxdescmap; 518 bus_dmamap_t tulip_rxmaps[TULIP_RXDESCS]; 519 unsigned int tulip_rxmaps_free; 520 #endif 521 #endif 522 struct ifnet *tulip_ifp; 523 u_char tulip_enaddr[6]; 524 bus_space_tag_t tulip_csrs_bst; 525 bus_space_handle_t tulip_csrs_bsh; 526 tulip_regfile_t tulip_csrs; 527 528 u_int32_t tulip_flags; 529 u_int32_t tulip_features; 530 u_int32_t tulip_intrmask; 531 u_int32_t tulip_cmdmode; 532 u_int32_t tulip_last_system_error:3; 533 u_int32_t tulip_txtimer:2; /* transmission timer */ 534 u_int32_t tulip_system_errors; 535 u_int32_t tulip_statusbits; /* status bits from 536 * CSR5 that may need 537 * to be printed 538 */ 539 tulip_media_info_t *tulip_mediums[TULIP_MEDIA_MAX]; 540 tulip_media_t tulip_media; /* current media type */ 541 u_int32_t tulip_abilities; /* remote system's 542 * abilities (as 543 * defined in IEEE 544 * 802.3u) 545 */ 546 u_int8_t tulip_revinfo; /* chip revision */ 547 u_int8_t tulip_phyaddr; /* current phy */ 548 u_int8_t tulip_gpinit; /* active pins on 549 * 21140 550 */ 551 u_int8_t tulip_gpdata; /* default gpdata for 21140 */ 552 struct tulip_probe_info tulip_probe; 553 tulip_chipid_t tulip_chipid; /* type of chip we are using */ 554 const tulip_boardsw_t *tulip_boardsw; /* board/chip characteristics */ 555 tulip_softc_t *tulip_slaves; /* slaved devices (ZX3xx) */ 556 #if defined(TULIP_DEBUG) 557 struct tulip_dbg_info tulip_dbg; 558 #endif 559 #if defined(TULIP_PERFSTATS) 560 struct tulip_perfstat tulip_perfstats[TULIP_PERF_MAX]; 561 #endif 562 struct ifqueue tulip_txq; 563 struct ifqueue tulip_rxq; 564 tulip_dot3_stats_t tulip_dot3stats; 565 tulip_ringinfo_t tulip_rxinfo; 566 tulip_ringinfo_t tulip_txinfo; 567 tulip_media_info_t tulip_mediainfo[10]; 568 /* 569 * The setup buffers for sending the setup frame to the chip. one is 570 * the one being sent while the other is the one being filled. 571 */ 572 u_int32_t tulip_setupbuf[192 / sizeof(u_int32_t)]; 573 u_int32_t tulip_setupdata[192 / sizeof(u_int32_t)]; 574 char tulip_boardid[24]; 575 u_int8_t tulip_rombuf[128]; /* must be aligned */ 576 577 /* needed for multiport boards */ 578 u_int8_t tulip_pci_busno; 579 u_int8_t tulip_pci_devno; 580 581 u_int8_t tulip_connidx; 582 tulip_srom_connection_t tulip_conntype; 583 tulip_desc_t *tulip_rxdescs; 584 tulip_desc_t *tulip_txdescs; 585 struct callout tulip_callout; 586 struct mtx tulip_mutex; 587 }; 588 589 #define tulip_curperfstats tulip_perfstats[TULIP_PERF_CURRENT] 590 #define tulip_probe_count tulip_probe.probe_count 591 #define tulip_probe_timeout tulip_probe.probe_timeout 592 #define tulip_probe_state tulip_probe.probe_state 593 #define tulip_probe_media tulip_probe.probe_media 594 #define tulip_probe_mediamask tulip_probe.probe_mediamask 595 #define tulip_probe_passes tulip_probe.probe_passes 596 597 /* Definitions for tulip_flags. */ 598 #define TULIP_WANTSETUP 0x00000001 599 #define TULIP_WANTHASHPERFECT 0x00000002 600 #define TULIP_WANTHASHONLY 0x00000004 601 #define TULIP_DOINGSETUP 0x00000008 602 #define TULIP_PRINTMEDIA 0x00000010 603 #define TULIP_TXPROBE_ACTIVE 0x00000020 604 #define TULIP_ALLMULTI 0x00000040 605 #define TULIP_WANTRXACT 0x00000080 606 #define TULIP_RXACT 0x00000100 607 #define TULIP_INRESET 0x00000200 608 #define TULIP_NEEDRESET 0x00000400 609 #define TULIP_SQETEST 0x00000800 610 #define TULIP_xxxxxx0 0x00001000 611 #define TULIP_xxxxxx1 0x00002000 612 #define TULIP_WANTTXSTART 0x00004000 613 #define TULIP_NEWTXTHRESH 0x00008000 614 #define TULIP_NOAUTOSENSE 0x00010000 615 #define TULIP_PRINTLINKUP 0x00020000 616 #define TULIP_LINKUP 0x00040000 617 #define TULIP_RXBUFSLOW 0x00080000 618 #define TULIP_NOMESSAGES 0x00100000 619 #define TULIP_SYSTEMERROR 0x00200000 620 #define TULIP_TIMEOUTPENDING 0x00400000 621 #define TULIP_xxxxxx2 0x00800000 622 #define TULIP_TRYNWAY 0x01000000 623 #define TULIP_DIDNWAY 0x02000000 624 #define TULIP_RXIGNORE 0x04000000 625 #define TULIP_PROBE1STPASS 0x08000000 626 #define TULIP_DEVICEPROBE 0x10000000 627 #define TULIP_PROMISC 0x20000000 628 #define TULIP_HASHONLY 0x40000000 629 #define TULIP_xxxxxx3 0x80000000 630 631 /* Definitions for tulip_features. */ 632 #define TULIP_HAVE_GPR 0x00000001 /* have gp register (140[A]) */ 633 #define TULIP_HAVE_RXBADOVRFLW 0x00000002 /* RX corrupts on overflow */ 634 #define TULIP_HAVE_POWERMGMT 0x00000004 /* Snooze/sleep modes */ 635 #define TULIP_HAVE_MII 0x00000008 /* Some medium on MII */ 636 #define TULIP_HAVE_SIANWAY 0x00000010 /* SIA does NWAY */ 637 #define TULIP_HAVE_DUALSENSE 0x00000020 /* SIA senses both AUI & TP */ 638 #define TULIP_HAVE_SIAGP 0x00000040 /* SIA has a GP port */ 639 #define TULIP_HAVE_BROKEN_HASH 0x00000080 /* Broken Multicast Hash */ 640 #define TULIP_HAVE_ISVSROM 0x00000100 /* uses ISV SROM Format */ 641 #define TULIP_HAVE_BASEROM 0x00000200 /* Board ROM can be cloned */ 642 #define TULIP_HAVE_SLAVEDROM 0x00000400 /* Board ROM cloned */ 643 #define TULIP_HAVE_SLAVEDINTR 0x00000800 /* Board slaved interrupt */ 644 #define TULIP_HAVE_SHAREDINTR 0x00001000 /* Board shares interrupts */ 645 #define TULIP_HAVE_OKROM 0x00002000 /* ROM was recognized */ 646 #define TULIP_HAVE_NOMEDIA 0x00004000 /* did not detect any media */ 647 #define TULIP_HAVE_STOREFWD 0x00008000 /* have CMD_STOREFWD */ 648 #define TULIP_HAVE_SIA100 0x00010000 /* has LS100 in SIA status */ 649 #define TULIP_HAVE_OKSROM 0x00020000 /* SROM CRC is OK */ 650 651 #define TULIP_DO_AUTOSENSE(sc) \ 652 (IFM_SUBTYPE((sc)->tulip_ifmedia.ifm_media) == IFM_AUTO) 653 654 #if defined(TULIP_HDR_DATA) 655 static const char *const tulip_chipdescs[] = { 656 "21040 [10Mb/s]", 657 "21041 [10Mb/s]", 658 "21140 [10-100Mb/s]", 659 "21140A [10-100Mb/s]", 660 "21142 [10-100Mb/s]", 661 "21143 [10-100Mb/s]", 662 }; 663 664 static const char *const tulip_mediums[] = { 665 "unknown", /* TULIP_MEDIA_UNKNOWN */ 666 "10baseT", /* TULIP_MEDIA_10BASET */ 667 "Full Duplex 10baseT", /* TULIP_MEDIA_10BASET_FD */ 668 "BNC", /* TULIP_MEDIA_BNC */ 669 "AUI", /* TULIP_MEDIA_AUI */ 670 "External SIA", /* TULIP_MEDIA_EXTSIA */ 671 "AUI/BNC", /* TULIP_MEDIA_AUIBNC */ 672 "100baseTX", /* TULIP_MEDIA_100BASET */ 673 "Full Duplex 100baseTX",/* TULIP_MEDIA_100BASET_FD */ 674 "100baseT4", /* TULIP_MEDIA_100BASET4 */ 675 "100baseFX", /* TULIP_MEDIA_100BASEFX */ 676 "Full Duplex 100baseFX",/* TULIP_MEDIA_100BASEFX_FD */ 677 }; 678 679 static const int tulip_media_to_ifmedia[] = { 680 IFM_ETHER | IFM_NONE, /* TULIP_MEDIA_UNKNOWN */ 681 IFM_ETHER | IFM_10_T, /* TULIP_MEDIA_10BASET */ 682 IFM_ETHER | IFM_10_T | IFM_FDX, /* TULIP_MEDIA_10BASET_FD */ 683 IFM_ETHER | IFM_10_2, /* TULIP_MEDIA_BNC */ 684 IFM_ETHER | IFM_10_5, /* TULIP_MEDIA_AUI */ 685 IFM_ETHER | IFM_MANUAL, /* TULIP_MEDIA_EXTSIA */ 686 IFM_ETHER | IFM_10_5, /* TULIP_MEDIA_AUIBNC */ 687 IFM_ETHER | IFM_100_TX, /* TULIP_MEDIA_100BASET */ 688 IFM_ETHER | IFM_100_TX | IFM_FDX, /* TULIP_MEDIA_100BASET_FD */ 689 IFM_ETHER | IFM_100_T4, /* TULIP_MEDIA_100BASET4 */ 690 IFM_ETHER | IFM_100_FX, /* TULIP_MEDIA_100BASEFX */ 691 IFM_ETHER | IFM_100_FX | IFM_FDX, /* TULIP_MEDIA_100BASEFX_FD */ 692 }; 693 694 static const char *const tulip_system_errors[] = { 695 "parity error", 696 "master abort", 697 "target abort", 698 "reserved #3", 699 "reserved #4", 700 "reserved #5", 701 "reserved #6", 702 "reserved #7", 703 }; 704 705 static const char *const tulip_status_bits[] = { 706 NULL, 707 "transmit process stopped", 708 NULL, 709 "transmit jabber timeout", 710 711 NULL, 712 "transmit underflow", 713 NULL, 714 "receive underflow", 715 716 "receive process stopped", 717 "receive watchdog timeout", 718 NULL, 719 NULL, 720 721 "link failure", 722 NULL, 723 NULL, 724 }; 725 726 static const struct { 727 tulip_srom_connection_t sc_type; 728 tulip_media_t sc_media; 729 u_int32_t sc_attrs; 730 } tulip_srom_conninfo[] = { 731 { 732 TULIP_SROM_CONNTYPE_10BASET, TULIP_MEDIA_10BASET 733 }, 734 { 735 TULIP_SROM_CONNTYPE_BNC, TULIP_MEDIA_BNC 736 }, 737 { 738 TULIP_SROM_CONNTYPE_AUI, TULIP_MEDIA_AUI 739 }, 740 { 741 TULIP_SROM_CONNTYPE_100BASETX, TULIP_MEDIA_100BASETX 742 }, 743 { 744 TULIP_SROM_CONNTYPE_100BASET4, TULIP_MEDIA_100BASET4 745 }, 746 { 747 TULIP_SROM_CONNTYPE_100BASEFX, TULIP_MEDIA_100BASEFX 748 }, 749 { 750 TULIP_SROM_CONNTYPE_MII_10BASET, TULIP_MEDIA_10BASET, 751 TULIP_SROM_ATTR_MII 752 }, 753 { 754 TULIP_SROM_CONNTYPE_MII_100BASETX, TULIP_MEDIA_100BASETX, 755 TULIP_SROM_ATTR_MII 756 }, 757 { 758 TULIP_SROM_CONNTYPE_MII_100BASET4, TULIP_MEDIA_100BASET4, 759 TULIP_SROM_ATTR_MII 760 }, 761 { 762 TULIP_SROM_CONNTYPE_MII_100BASEFX, TULIP_MEDIA_100BASEFX, 763 TULIP_SROM_ATTR_MII 764 }, 765 { 766 TULIP_SROM_CONNTYPE_10BASET_NWAY, TULIP_MEDIA_10BASET, 767 TULIP_SROM_ATTR_NWAY 768 }, 769 { 770 TULIP_SROM_CONNTYPE_10BASET_FD, TULIP_MEDIA_10BASET_FD 771 }, 772 { 773 TULIP_SROM_CONNTYPE_MII_10BASET_FD, TULIP_MEDIA_10BASET_FD, 774 TULIP_SROM_ATTR_MII 775 }, 776 { 777 TULIP_SROM_CONNTYPE_100BASETX_FD, TULIP_MEDIA_100BASETX_FD 778 }, 779 { 780 TULIP_SROM_CONNTYPE_MII_100BASETX_FD, TULIP_MEDIA_100BASETX_FD, 781 TULIP_SROM_ATTR_MII 782 }, 783 { 784 TULIP_SROM_CONNTYPE_10BASET_NOLINKPASS, TULIP_MEDIA_10BASET, 785 TULIP_SROM_ATTR_NOLINKPASS 786 }, 787 { 788 TULIP_SROM_CONNTYPE_AUTOSENSE, TULIP_MEDIA_UNKNOWN, 789 TULIP_SROM_ATTR_AUTOSENSE 790 }, 791 { 792 TULIP_SROM_CONNTYPE_AUTOSENSE_POWERUP, TULIP_MEDIA_UNKNOWN, 793 TULIP_SROM_ATTR_AUTOSENSE | TULIP_SROM_ATTR_POWERUP 794 }, 795 { 796 TULIP_SROM_CONNTYPE_AUTOSENSE_NWAY, TULIP_MEDIA_UNKNOWN, 797 TULIP_SROM_ATTR_AUTOSENSE | TULIP_SROM_ATTR_NWAY 798 }, 799 { 800 TULIP_SROM_CONNTYPE_NOT_USED, TULIP_MEDIA_UNKNOWN 801 } 802 }; 803 #define TULIP_SROM_LASTCONNIDX \ 804 (sizeof(tulip_srom_conninfo)/sizeof(tulip_srom_conninfo[0]) - 1) 805 806 static const struct { 807 tulip_media_t sm_type; 808 tulip_srom_media_t sm_srom_type; 809 } tulip_srom_mediums[] = { 810 { 811 TULIP_MEDIA_100BASEFX_FD, TULIP_SROM_MEDIA_100BASEFX_FD 812 }, 813 { 814 TULIP_MEDIA_100BASEFX, TULIP_SROM_MEDIA_100BASEFX 815 }, 816 { 817 TULIP_MEDIA_100BASET4, TULIP_SROM_MEDIA_100BASET4 818 }, 819 { 820 TULIP_MEDIA_100BASETX_FD, TULIP_SROM_MEDIA_100BASETX_FD 821 }, 822 { 823 TULIP_MEDIA_100BASETX, TULIP_SROM_MEDIA_100BASETX 824 }, 825 { 826 TULIP_MEDIA_10BASET_FD, TULIP_SROM_MEDIA_10BASET_FD 827 }, 828 { 829 TULIP_MEDIA_AUI, TULIP_SROM_MEDIA_AUI 830 }, 831 { 832 TULIP_MEDIA_BNC, TULIP_SROM_MEDIA_BNC 833 }, 834 { 835 TULIP_MEDIA_10BASET, TULIP_SROM_MEDIA_10BASET 836 }, 837 { 838 TULIP_MEDIA_UNKNOWN 839 } 840 }; 841 842 #endif /* TULIP_HDR_DATA */ 843 844 /* 845 * This driver supports a maximum of 32 tulip boards. 846 * This should be enough for the forseeable future. 847 */ 848 #define TULIP_MAX_DEVICES 32 849 850 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 851 #define TULIP_RXDESC_PRESYNC(sc, di, s) \ 852 bus_dmamap_sync((sc)->tulip_dmatag, (sc)->tulip_rxdescmap, \ 853 (caddr_t) di - (caddr_t) (sc)->tulip_rxdescs, \ 854 (s), BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE) 855 #define TULIP_RXDESC_POSTSYNC(sc, di, s) \ 856 bus_dmamap_sync((sc)->tulip_dmatag, (sc)->tulip_rxdescmap, \ 857 (caddr_t) di - (caddr_t) (sc)->tulip_rxdescs, \ 858 (s), BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE) 859 #define TULIP_RXMAP_PRESYNC(sc, map) \ 860 bus_dmamap_sync((sc)->tulip_dmatag, (map), 0, (map)->dm_mapsize, \ 861 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE) 862 #define TULIP_RXMAP_POSTSYNC(sc, map) \ 863 bus_dmamap_sync((sc)->tulip_dmatag, (map), 0, (map)->dm_mapsize, \ 864 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE) 865 #define TULIP_RXMAP_CREATE(sc, mapp) \ 866 bus_dmamap_create((sc)->tulip_dmatag, TULIP_RX_BUFLEN, 2, \ 867 TULIP_DATA_PER_DESC, 0, \ 868 BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, (mapp)) 869 #else 870 #ifdef __alpha__ 871 #define TULIP_RXDESC_PRESYNC(sc, di, s) alpha_mb() 872 #define TULIP_RXDESC_POSTSYNC(sc, di, s) alpha_mb() 873 #define TULIP_RXMAP_PRESYNC(sc, map) alpha_mb() 874 #define TULIP_RXMAP_POSTSYNC(sc, map) alpha_mb() 875 #else 876 #define TULIP_RXDESC_PRESYNC(sc, di, s) do { } while (0) 877 #define TULIP_RXDESC_POSTSYNC(sc, di, s) do { } while (0) 878 #define TULIP_RXMAP_PRESYNC(sc, map) do { } while (0) 879 #define TULIP_RXMAP_POSTSYNC(sc, map) do { } while (0) 880 #endif 881 #define TULIP_RXMAP_CREATE(sc, mapp) do { } while (0) 882 #endif 883 884 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 885 #define TULIP_TXDESC_PRESYNC(sc, di, s) \ 886 bus_dmamap_sync((sc)->tulip_dmatag, (sc)->tulip_txdescmap, \ 887 (caddr_t) di - (caddr_t) (sc)->tulip_txdescs, \ 888 (s), BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE) 889 #define TULIP_TXDESC_POSTSYNC(sc, di, s) \ 890 bus_dmamap_sync((sc)->tulip_dmatag, (sc)->tulip_txdescmap, \ 891 (caddr_t) di - (caddr_t) (sc)->tulip_txdescs, \ 892 (s), BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE) 893 #define TULIP_TXMAP_PRESYNC(sc, map) \ 894 bus_dmamap_sync((sc)->tulip_dmatag, (map), 0, (map)->dm_mapsize, \ 895 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE) 896 #define TULIP_TXMAP_POSTSYNC(sc, map) \ 897 bus_dmamap_sync((sc)->tulip_dmatag, (map), 0, (map)->dm_mapsize, \ 898 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE) 899 #define TULIP_TXMAP_CREATE(sc, mapp) \ 900 bus_dmamap_create((sc)->tulip_dmatag, TULIP_DATA_PER_DESC, \ 901 TULIP_MAX_TXSEG, TULIP_DATA_PER_DESC, \ 902 0, BUS_DMA_NOWAIT, (mapp)) 903 #else 904 #ifdef __alpha__ 905 #define TULIP_TXDESC_PRESYNC(sc, di, s) alpha_mb() 906 #define TULIP_TXDESC_POSTSYNC(sc, di, s) alpha_mb() 907 #define TULIP_TXMAP_PRESYNC(sc, map) alpha_mb() 908 #define TULIP_TXMAP_POSTSYNC(sc, map) alpha_mb() 909 #else 910 #define TULIP_TXDESC_PRESYNC(sc, di, s) do { } while (0) 911 #define TULIP_TXDESC_POSTSYNC(sc, di, s) do { } while (0) 912 #define TULIP_TXMAP_PRESYNC(sc, map) do { } while (0) 913 #define TULIP_TXMAP_POSTSYNC(sc, map) do { } while (0) 914 #endif 915 #define TULIP_TXMAP_CREATE(sc, mapp) do { } while (0) 916 #endif 917 918 #ifdef notyet 919 #define SIOCGADDRROM _IOW('i', 240, struct ifreq) /* get 128 bytes of ROM */ 920 #define SIOCGCHIPID _IOWR('i', 241, struct ifreq) /* get chipid */ 921 #endif 922 923 #if defined(TULIP_HDR_DATA) 924 static tulip_softc_t *tulips[TULIP_MAX_DEVICES]; 925 #endif 926 927 #define loudprintf if (bootverbose) printf 928 929 #if !defined(TULIP_KVATOPHYS) && (!defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NORX) || defined(TULIP_BUS_DMA_NOTX)) 930 #if defined(__alpha__) 931 /* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */ 932 #define vtobus(va) alpha_XXX_dmamap((vm_offset_t)va) 933 #else 934 #define vtobus(va) vtophys(va) 935 #endif 936 #define TULIP_KVATOPHYS(sc, va) vtobus(va) 937 #endif 938 939 #if defined(TULIP_PERFSTATS) 940 #define TULIP_PERFMERGE(sc, member) \ 941 do { (sc)->tulip_perfstats[TULIP_PERF_TOTAL].member \ 942 += (sc)->tulip_perfstats[TULIP_PERF_CURRENT].member; \ 943 (sc)->tulip_perfstats[TULIP_PERF_PREVIOUS].member \ 944 = (sc)->tulip_perfstats[TULIP_PERF_CURRENT].member; \ 945 (sc)->tulip_perfstats[TULIP_PERF_CURRENT].member = 0; } while (0) 946 #define TULIP_PERFSTART(name) const tulip_cycle_t perfstart_ ## name = TULIP_PERFREAD(); 947 #define TULIP_PERFEND(name) do { \ 948 (sc)->tulip_curperfstats.perf_ ## name ## _cycles += TULIP_PERFDIFF(perfstart_ ## name, TULIP_PERFREAD()); \ 949 (sc)->tulip_curperfstats.perf_ ## name ++; \ 950 } while (0) 951 952 typedef u_long tulip_cycle_t; 953 954 static __inline tulip_cycle_t 955 TULIP_PERFREAD(void) 956 { 957 return (get_cyclecount()); 958 } 959 960 #define TULIP_PERFDIFF(s, f) ((f) - (s)) 961 #else 962 #define TULIP_PERFSTART(name) 963 #define TULIP_PERFEND(name) do { } while (0) 964 #define TULIP_PERFMERGE(s,n) do { } while (0) 965 #endif /* TULIP_PERFSTATS */ 966 967 #define TULIP_CRC32_POLY 0xEDB88320UL /* CRC-32 Poly -- Little 968 * Endian */ 969 #define TULIP_MAX_TXSEG 30 970 971 #define TULIP_ADDREQUAL(a1, a2) \ 972 (((u_int16_t *)a1)[0] == ((u_int16_t *)a2)[0] \ 973 && ((u_int16_t *)a1)[1] == ((u_int16_t *)a2)[1] \ 974 && ((u_int16_t *)a1)[2] == ((u_int16_t *)a2)[2]) 975 #define TULIP_ADDRBRDCST(a1) \ 976 (((u_int16_t *)a1)[0] == 0xFFFFU \ 977 && ((u_int16_t *)a1)[1] == 0xFFFFU \ 978 && ((u_int16_t *)a1)[2] == 0xFFFFU) 979 980 #define TULIP_MUTEX(sc) (&(sc)->tulip_mutex) 981 #define TULIP_LOCK(sc) mtx_lock(TULIP_MUTEX(sc)) 982 #define TULIP_UNLOCK(sc) mtx_unlock(TULIP_MUTEX(sc)) 983 #define TULIP_LOCK_ASSERT(sc) mtx_assert(TULIP_MUTEX(sc), MA_OWNED) 984 985 #endif /* _DEVAR_H */
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