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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/5.0/sys/pci/if_devar.h 97748 2002-06-02 20:05:59Z schweikh $ */ 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 #if !defined(_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 recevive 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_t tulip_softc_t; 151 152 /* 153 * The various controllers support. 154 */ 155 156 typedef enum { 157 TULIP_21040, 158 TULIP_21041, 159 TULIP_21140, TULIP_21140A, TULIP_21142, 160 TULIP_21143, 161 TULIP_CHIPID_UNKNOWN 162 } tulip_chipid_t; 163 164 /* 165 * Various physical media types supported. 166 * BNCAUI is BNC or AUI since on the 21040 you can't really tell 167 * which is in use. 168 */ 169 typedef enum { 170 TULIP_MEDIA_UNKNOWN, 171 TULIP_MEDIA_10BASET, 172 TULIP_MEDIA_10BASET_FD, 173 TULIP_MEDIA_BNC, 174 TULIP_MEDIA_AUI, 175 TULIP_MEDIA_EXTSIA, 176 TULIP_MEDIA_AUIBNC, 177 TULIP_MEDIA_100BASETX, 178 TULIP_MEDIA_100BASETX_FD, 179 TULIP_MEDIA_100BASET4, 180 TULIP_MEDIA_100BASEFX, 181 TULIP_MEDIA_100BASEFX_FD, 182 TULIP_MEDIA_MAX 183 } tulip_media_t; 184 185 #define TULIP_BIT(b) (1L << ((int)(b))) 186 #define TULIP_FDBIT(m) (1L << ((int)TULIP_MEDIA_ ## m ## _FD)) 187 #define TULIP_MBIT(m) (1L << ((int)TULIP_MEDIA_ ## m )) 188 #define TULIP_IS_MEDIA_FD(m) (TULIP_BIT(m) & \ 189 (TULIP_FDBIT(10BASET) \ 190 |TULIP_FDBIT(100BASETX) \ 191 |TULIP_FDBIT(100BASEFX))) 192 #define TULIP_CAN_MEDIA_FD(m) (TULIP_BIT(m) & \ 193 (TULIP_MBIT(10BASET) \ 194 |TULIP_MBIT(100BASETX) \ 195 |TULIP_MBIT(100BASEFX))) 196 #define TULIP_FD_MEDIA_OF(m) ((tulip_media_t)((m) + 1)) 197 #define TULIP_HD_MEDIA_OF(m) ((tulip_media_t)((m) - 1)) 198 #define TULIP_IS_MEDIA_100MB(m) ((m) >= TULIP_MEDIA_100BASETX) 199 #define TULIP_IS_MEDIA_TP(m) ((TULIP_BIT(m) & \ 200 (TULIP_MBIT(BNC) \ 201 |TULIP_MBIT(AUI) \ 202 |TULIP_MBIT(AUIBNC) \ 203 |TULIP_MBIT(EXTSIA))) == 0) 204 205 #define TULIP_SROM_ATTR_MII 0x0100 206 #define TULIP_SROM_ATTR_NWAY 0x0200 207 #define TULIP_SROM_ATTR_AUTOSENSE 0x0400 208 #define TULIP_SROM_ATTR_POWERUP 0x0800 209 #define TULIP_SROM_ATTR_NOLINKPASS 0x1000 210 211 typedef struct { 212 enum { 213 TULIP_MEDIAINFO_NONE, 214 TULIP_MEDIAINFO_SIA, 215 TULIP_MEDIAINFO_GPR, 216 TULIP_MEDIAINFO_MII, 217 TULIP_MEDIAINFO_RESET, 218 TULIP_MEDIAINFO_SYM 219 } mi_type; 220 union { 221 struct { 222 u_int16_t sia_connectivity; 223 u_int16_t sia_tx_rx; 224 u_int16_t sia_general; 225 u_int32_t sia_gp_control; /* 21142/21143 */ 226 u_int32_t sia_gp_data; /* 21142/21143 */ 227 } un_sia; 228 struct { 229 u_int32_t gpr_cmdmode; 230 u_int32_t gpr_gpcontrol; /* 21142/21143 */ 231 u_int32_t gpr_gpdata; 232 u_int8_t gpr_actmask; 233 u_int8_t gpr_actdata; 234 u_int gpr_default : 1; 235 } un_gpr; 236 struct { 237 u_int32_t mii_mediamask; 238 u_int16_t mii_capabilities; 239 u_int16_t mii_advertisement; 240 u_int16_t mii_full_duplex; 241 u_int16_t mii_tx_threshold; 242 u_int16_t mii_interrupt; /* 21142/21143 */ 243 u_int8_t mii_phyaddr; 244 u_int8_t mii_gpr_length; 245 u_int8_t mii_gpr_offset; 246 u_int8_t mii_reset_length; 247 u_int8_t mii_reset_offset; 248 u_int32_t mii_phyid; 249 } un_mii; 250 } mi_un; 251 } tulip_media_info_t; 252 253 #define mi_sia_connectivity mi_un.un_sia.sia_connectivity 254 #define mi_sia_tx_rx mi_un.un_sia.sia_tx_rx 255 #define mi_sia_general mi_un.un_sia.sia_general 256 #define mi_sia_gp_control mi_un.un_sia.sia_gp_control 257 #define mi_sia_gp_data mi_un.un_sia.sia_gp_data 258 259 #define mi_gpcontrol mi_un.un_gpr.gpr_gpcontrol 260 #define mi_gpdata mi_un.un_gpr.gpr_gpdata 261 #define mi_actmask mi_un.un_gpr.gpr_actmask 262 #define mi_actdata mi_un.un_gpr.gpr_actdata 263 #define mi_default mi_un.un_gpr.gpr_default 264 #define mi_cmdmode mi_un.un_gpr.gpr_cmdmode 265 266 #define mi_phyaddr mi_un.un_mii.mii_phyaddr 267 #define mi_gpr_length mi_un.un_mii.mii_gpr_length 268 #define mi_gpr_offset mi_un.un_mii.mii_gpr_offset 269 #define mi_reset_length mi_un.un_mii.mii_reset_length 270 #define mi_reset_offset mi_un.un_mii.mii_reset_offset 271 #define mi_capabilities mi_un.un_mii.mii_capabilities 272 #define mi_advertisement mi_un.un_mii.mii_advertisement 273 #define mi_full_duplex mi_un.un_mii.mii_full_duplex 274 #define mi_tx_threshold mi_un.un_mii.mii_tx_threshold 275 #define mi_mediamask mi_un.un_mii.mii_mediamask 276 #define mi_mii_interrupt mi_un.un_mii.mii_interrupt 277 #define mi_phyid mi_un.un_mii.mii_phyid 278 279 #define TULIP_MEDIAINFO_SIA_INIT(sc, mi, chipid, media) do { \ 280 (mi)->mi_type = TULIP_MEDIAINFO_SIA; \ 281 sc->tulip_mediums[TULIP_MEDIA_ ## media] = (mi); \ 282 (mi)->mi_sia_connectivity = TULIP_ ## chipid ## _SIACONN_ ## media; \ 283 (mi)->mi_sia_tx_rx = TULIP_ ## chipid ## _SIATXRX_ ## media; \ 284 (mi)->mi_sia_general = TULIP_ ## chipid ## _SIAGEN_ ## media; \ 285 } while (0) 286 287 #define TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, media) do { \ 288 if ((sc)->tulip_mediums[TULIP_MEDIA_ ## media] == NULL \ 289 && ((mi)->mi_capabilities & PHYSTS_ ## media)) { \ 290 (sc)->tulip_mediums[TULIP_MEDIA_ ## media] = (mi); \ 291 (mi)->mi_mediamask |= TULIP_BIT(TULIP_MEDIA_ ## media); \ 292 } \ 293 } while (0) 294 295 #define TULIP_MII_NOPHY 32 296 /* 297 * Some boards need to treated specially. The following enumeration 298 * identifies the cards with quirks (or those we just want to single 299 * out for special merit or scorn). 300 */ 301 typedef enum { 302 TULIP_21040_GENERIC, /* Generic 21040 (works with most any board) */ 303 TULIP_21140_ISV, /* Digital Semicondutor 21140 ISV SROM Format */ 304 TULIP_21142_ISV, /* Digital Semicondutor 21142 ISV SROM Format */ 305 TULIP_21143_ISV, /* Digital Semicondutor 21143 ISV SROM Format */ 306 TULIP_21140_DEC_EB, /* Digital Semicondutor 21140 Evaluation Board */ 307 TULIP_21140_MII, /* 21140[A] with MII */ 308 TULIP_21140_DEC_DE500, /* Digital DE500-?? 10/100 */ 309 TULIP_21140_SMC_9332, /* SMC 9332 */ 310 TULIP_21140_COGENT_EM100, /* Cogent EM100 100 only */ 311 TULIP_21140_ZNYX_ZX34X, /* ZNYX ZX342 10/100 */ 312 TULIP_21140_ASANTE, /* AsanteFast 10/100 */ 313 TULIP_21140_EN1207, /* Accton EN2107 10/100 BNC */ 314 TULIP_21041_GENERIC /* Generic 21041 card */ 315 } tulip_board_t; 316 317 typedef enum { 318 TULIP_MEDIAPOLL_TIMER, /* 100ms timer fired */ 319 TULIP_MEDIAPOLL_FASTTIMER, /* <100ms timer fired */ 320 TULIP_MEDIAPOLL_LINKFAIL, /* called from interrupt routine */ 321 TULIP_MEDIAPOLL_LINKPASS, /* called from interrupt routine */ 322 TULIP_MEDIAPOLL_START, /* start a media probe (called from reset) */ 323 TULIP_MEDIAPOLL_TXPROBE_OK, /* txprobe succeeded */ 324 TULIP_MEDIAPOLL_TXPROBE_FAILED, /* txprobe failed */ 325 TULIP_MEDIAPOLL_MAX 326 } tulip_mediapoll_event_t; 327 328 typedef enum { 329 TULIP_LINK_DOWN, /* Link is down */ 330 TULIP_LINK_UP, /* link is ok */ 331 TULIP_LINK_UNKNOWN /* we can't tell either way */ 332 } tulip_link_status_t; 333 334 335 /* 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 */ 344 345 typedef struct { 346 tulip_board_t bd_type; 347 void (*bd_media_probe)(tulip_softc_t * const sc); 348 void (*bd_media_select)(tulip_softc_t * const sc); 349 void (*bd_media_poll)(tulip_softc_t * const sc, 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 board. 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 */ 365 366 typedef enum { 367 PHY_MODE_10T, 368 PHY_MODE_100TX, 369 PHY_MODE_100T4, 370 PHY_MODE_FULLDUPLEX, 371 PHY_MODE_MAX 372 } tulip_phy_mode_t; 373 374 typedef struct { 375 u_int16_t pm_regno; 376 u_int16_t pm_mask; 377 u_int16_t pm_value; 378 } tulip_phy_modedata_t; 379 380 typedef struct { 381 u_int32_t attr_id; 382 u_int16_t attr_flags; 383 #define PHY_NEED_HARD_RESET 0x0001 384 #define PHY_DUAL_CYCLE_TA 0x0002 385 tulip_phy_modedata_t attr_modes[PHY_MODE_MAX]; 386 #ifdef TULIP_DEBUG 387 const char *attr_name; 388 #endif 389 } tulip_phy_attr_t; 390 391 /* 392 * Various probe states used when trying to autosense the media. 393 */ 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 u_int32_t dot3StatsInternalTransmitUnderflows; /* not in rfc1650! */ 417 u_int32_t dot3StatsInternalTransmitBabbles; /* not in rfc1650! */ 418 /* 419 * Receive Statistics 420 */ 421 u_int32_t dot3StatsMissedFrames; /* not in rfc1650! */ 422 u_int32_t dot3StatsAlignmentErrors; 423 u_int32_t dot3StatsFCSErrors; 424 u_int32_t dot3StatsFrameTooLongs; 425 u_int32_t dot3StatsInternalMacReceiveErrors; 426 } tulip_dot3_stats_t; 427 428 /* 429 * Now to important stuff. This is softc structure (where does softc 430 * come from??? No idea) for the tulip device. 431 */ 432 struct _tulip_softc_t { 433 struct ifmedia tulip_ifmedia; 434 #if defined(TULIP_BUS_DMA) 435 bus_dma_tag_t tulip_dmatag; /* bus DMA tag */ 436 #if !defined(TULIP_BUS_DMA_NOTX) 437 bus_dmamap_t tulip_setupmap; 438 bus_dmamap_t tulip_txdescmap; 439 bus_dmamap_t tulip_txmaps[TULIP_TXDESCS]; 440 unsigned tulip_txmaps_free; 441 #endif 442 #if !defined(TULIP_BUS_DMA_NORX) 443 bus_dmamap_t tulip_rxdescmap; 444 bus_dmamap_t tulip_rxmaps[TULIP_RXDESCS]; 445 unsigned tulip_rxmaps_free; 446 #endif 447 #endif 448 struct arpcom tulip_ac; 449 bus_space_tag_t tulip_csrs_bst; 450 bus_space_handle_t tulip_csrs_bsh; 451 tulip_regfile_t tulip_csrs; 452 u_int32_t tulip_flags; 453 #define TULIP_WANTSETUP 0x00000001 454 #define TULIP_WANTHASHPERFECT 0x00000002 455 #define TULIP_WANTHASHONLY 0x00000004 456 #define TULIP_DOINGSETUP 0x00000008 457 #define TULIP_PRINTMEDIA 0x00000010 458 #define TULIP_TXPROBE_ACTIVE 0x00000020 459 #define TULIP_ALLMULTI 0x00000040 460 #define TULIP_WANTRXACT 0x00000080 461 #define TULIP_RXACT 0x00000100 462 #define TULIP_INRESET 0x00000200 463 #define TULIP_NEEDRESET 0x00000400 464 #define TULIP_SQETEST 0x00000800 465 #define TULIP_xxxxxx0 0x00001000 466 #define TULIP_xxxxxx1 0x00002000 467 #define TULIP_WANTTXSTART 0x00004000 468 #define TULIP_NEWTXTHRESH 0x00008000 469 #define TULIP_NOAUTOSENSE 0x00010000 470 #define TULIP_PRINTLINKUP 0x00020000 471 #define TULIP_LINKUP 0x00040000 472 #define TULIP_RXBUFSLOW 0x00080000 473 #define TULIP_NOMESSAGES 0x00100000 474 #define TULIP_SYSTEMERROR 0x00200000 475 #define TULIP_TIMEOUTPENDING 0x00400000 476 #define TULIP_xxxxxx2 0x00800000 477 #define TULIP_TRYNWAY 0x01000000 478 #define TULIP_DIDNWAY 0x02000000 479 #define TULIP_RXIGNORE 0x04000000 480 #define TULIP_PROBE1STPASS 0x08000000 481 #define TULIP_DEVICEPROBE 0x10000000 482 #define TULIP_PROMISC 0x20000000 483 #define TULIP_HASHONLY 0x40000000 484 #define TULIP_xxxxxx3 0x80000000 485 /* only 4 bits left! */ 486 u_int32_t tulip_features; /* static bits indicating features of chip */ 487 #define TULIP_HAVE_GPR 0x00000001 /* have gp register (140[A]) */ 488 #define TULIP_HAVE_RXBADOVRFLW 0x00000002 /* RX corrupts on overflow */ 489 #define TULIP_HAVE_POWERMGMT 0x00000004 /* Snooze/sleep modes */ 490 #define TULIP_HAVE_MII 0x00000008 /* Some medium on MII */ 491 #define TULIP_HAVE_SIANWAY 0x00000010 /* SIA does NWAY */ 492 #define TULIP_HAVE_DUALSENSE 0x00000020 /* SIA senses both AUI & TP */ 493 #define TULIP_HAVE_SIAGP 0x00000040 /* SIA has a GP port */ 494 #define TULIP_HAVE_BROKEN_HASH 0x00000080 /* Broken Multicast Hash */ 495 #define TULIP_HAVE_ISVSROM 0x00000100 /* uses ISV SROM Format */ 496 #define TULIP_HAVE_BASEROM 0x00000200 /* Board ROM can be cloned */ 497 #define TULIP_HAVE_SLAVEDROM 0x00000400 /* Board ROM cloned */ 498 #define TULIP_HAVE_SLAVEDINTR 0x00000800 /* Board slaved interrupt */ 499 #define TULIP_HAVE_SHAREDINTR 0x00001000 /* Board shares interrupts */ 500 #define TULIP_HAVE_OKROM 0x00002000 /* ROM was recognized */ 501 #define TULIP_HAVE_NOMEDIA 0x00004000 /* did not detect any media */ 502 #define TULIP_HAVE_STOREFWD 0x00008000 /* have CMD_STOREFWD */ 503 #define TULIP_HAVE_SIA100 0x00010000 /* has LS100 in SIA status */ 504 #define TULIP_HAVE_OKSROM 0x00020000 /* SROM CRC is OK */ 505 u_int32_t tulip_intrmask; /* our copy of csr_intr */ 506 u_int32_t tulip_cmdmode; /* our copy of csr_cmdmode */ 507 u_int32_t tulip_last_system_error : 3; /* last system error (only value is TULIP_SYSTEMERROR is also set) */ 508 u_int32_t tulip_txtimer : 2; /* transmission timer */ 509 u_int32_t tulip_system_errors; /* number of system errors encountered */ 510 u_int32_t tulip_statusbits; /* status bits from CSR5 that may need to be printed */ 511 512 tulip_media_info_t *tulip_mediums[TULIP_MEDIA_MAX]; /* indexes into mediainfo */ 513 tulip_media_t tulip_media; /* current media type */ 514 u_int32_t tulip_abilities; /* remote system's abiltities (as defined in IEEE 802.3u) */ 515 516 u_int8_t tulip_revinfo; /* revision of chip */ 517 u_int8_t tulip_phyaddr; /* 0..31 -- address of current phy */ 518 u_int8_t tulip_gpinit; /* active pins on 21140 */ 519 u_int8_t tulip_gpdata; /* default gpdata for 21140 */ 520 521 struct { 522 u_int8_t probe_count; /* count of probe operations */ 523 int32_t probe_timeout; /* time in ms of probe timeout */ 524 tulip_probe_state_t probe_state; /* current media probe state */ 525 tulip_media_t probe_media; /* current media being probed */ 526 u_int32_t probe_mediamask; /* medias checked */ 527 u_int32_t probe_passes; /* times autosense failed */ 528 u_int32_t probe_txprobes; /* txprobes attempted */ 529 } tulip_probe; 530 #define tulip_probe_count tulip_probe.probe_count 531 #define tulip_probe_timeout tulip_probe.probe_timeout 532 #define tulip_probe_state tulip_probe.probe_state 533 #define tulip_probe_media tulip_probe.probe_media 534 #define tulip_probe_mediamask tulip_probe.probe_mediamask 535 #define tulip_probe_passes tulip_probe.probe_passes 536 537 tulip_chipid_t tulip_chipid; /* type of chip we are using */ 538 const tulip_boardsw_t *tulip_boardsw; /* board/chip characteristics */ 539 tulip_softc_t *tulip_slaves; /* slaved devices (ZX3xx) */ 540 #if defined(TULIP_DEBUG) 541 /* 542 * Debugging/Statistical information 543 */ 544 struct { 545 tulip_media_t dbg_last_media; 546 u_int32_t dbg_intrs; 547 u_int32_t dbg_media_probes; 548 u_int32_t dbg_txprobe_nocarr; 549 u_int32_t dbg_txprobe_exccoll; 550 u_int32_t dbg_link_downed; 551 u_int32_t dbg_link_suspected; 552 u_int32_t dbg_link_intrs; 553 u_int32_t dbg_link_pollintrs; 554 u_int32_t dbg_link_failures; 555 u_int32_t dbg_nway_starts; 556 u_int32_t dbg_nway_failures; 557 u_int16_t dbg_phyregs[32][4]; 558 u_int32_t dbg_rxlowbufs; 559 u_int32_t dbg_rxintrs; 560 u_int32_t dbg_last_rxintrs; 561 u_int32_t dbg_high_rxintrs_hz; 562 u_int32_t dbg_no_txmaps; 563 u_int32_t dbg_txput_finishes[8]; 564 u_int32_t dbg_txprobes_ok[TULIP_MEDIA_MAX]; 565 u_int32_t dbg_txprobes_failed[TULIP_MEDIA_MAX]; 566 u_int32_t dbg_events[TULIP_MEDIAPOLL_MAX]; 567 u_int32_t dbg_rxpktsperintr[TULIP_RXDESCS]; 568 } tulip_dbg; 569 #endif 570 #if defined(TULIP_PERFSTATS) 571 #define TULIP_PERF_CURRENT 0 572 #define TULIP_PERF_PREVIOUS 1 573 #define TULIP_PERF_TOTAL 2 574 #define TULIP_PERF_MAX 3 575 struct tulip_perfstats { 576 u_quad_t perf_intr_cycles; 577 u_quad_t perf_ifstart_cycles; 578 u_quad_t perf_ifstart_one_cycles; 579 u_quad_t perf_ifioctl_cycles; 580 u_quad_t perf_ifwatchdog_cycles; 581 u_quad_t perf_timeout_cycles; 582 u_quad_t perf_txput_cycles; 583 u_quad_t perf_txintr_cycles; 584 u_quad_t perf_rxintr_cycles; 585 u_quad_t perf_rxget_cycles; 586 unsigned perf_intr; 587 unsigned perf_ifstart; 588 unsigned perf_ifstart_one; 589 unsigned perf_ifioctl; 590 unsigned perf_ifwatchdog; 591 unsigned perf_timeout; 592 unsigned perf_txput; 593 unsigned perf_txintr; 594 unsigned perf_rxintr; 595 unsigned perf_rxget; 596 } tulip_perfstats[TULIP_PERF_MAX]; 597 #define tulip_curperfstats tulip_perfstats[TULIP_PERF_CURRENT] 598 #endif 599 struct ifqueue tulip_txq; 600 struct ifqueue tulip_rxq; 601 tulip_dot3_stats_t tulip_dot3stats; 602 tulip_ringinfo_t tulip_rxinfo; 603 tulip_ringinfo_t tulip_txinfo; 604 tulip_media_info_t tulip_mediainfo[10]; 605 /* 606 * The setup buffers for sending the setup frame to the chip. 607 * one is the one being sent while the other is the one being 608 * filled. 609 */ 610 u_int32_t tulip_setupbuf[192/sizeof(u_int32_t)]; 611 u_int32_t tulip_setupdata[192/sizeof(u_int32_t)]; 612 char tulip_boardid[16]; /* buffer for board ID */ 613 u_int8_t tulip_rombuf[128]; 614 u_int8_t tulip_pci_busno; /* needed for multiport boards */ 615 u_int8_t tulip_pci_devno; /* needed for multiport boards */ 616 u_int8_t tulip_connidx; 617 tulip_srom_connection_t tulip_conntype; 618 tulip_desc_t *tulip_rxdescs; 619 tulip_desc_t *tulip_txdescs; 620 }; 621 622 #define TULIP_DO_AUTOSENSE(sc) (IFM_SUBTYPE((sc)->tulip_ifmedia.ifm_media) == IFM_AUTO) 623 624 625 #if defined(TULIP_HDR_DATA) 626 static const char * const tulip_chipdescs[] = { 627 "21040 [10Mb/s]", 628 "21041 [10Mb/s]", 629 "21140 [10-100Mb/s]", 630 "21140A [10-100Mb/s]", 631 "21142 [10-100Mb/s]", 632 "21143 [10-100Mb/s]", 633 }; 634 635 static const char * const tulip_mediums[] = { 636 "unknown", /* TULIP_MEDIA_UNKNOWN */ 637 "10baseT", /* TULIP_MEDIA_10BASET */ 638 "Full Duplex 10baseT", /* TULIP_MEDIA_10BASET_FD */ 639 "BNC", /* TULIP_MEDIA_BNC */ 640 "AUI", /* TULIP_MEDIA_AUI */ 641 "External SIA", /* TULIP_MEDIA_EXTSIA */ 642 "AUI/BNC", /* TULIP_MEDIA_AUIBNC */ 643 "100baseTX", /* TULIP_MEDIA_100BASET */ 644 "Full Duplex 100baseTX", /* TULIP_MEDIA_100BASET_FD */ 645 "100baseT4", /* TULIP_MEDIA_100BASET4 */ 646 "100baseFX", /* TULIP_MEDIA_100BASEFX */ 647 "Full Duplex 100baseFX", /* TULIP_MEDIA_100BASEFX_FD */ 648 }; 649 650 static const int tulip_media_to_ifmedia[] = { 651 IFM_ETHER | IFM_NONE, /* TULIP_MEDIA_UNKNOWN */ 652 IFM_ETHER | IFM_10_T, /* TULIP_MEDIA_10BASET */ 653 IFM_ETHER | IFM_10_T | IFM_FDX, /* TULIP_MEDIA_10BASET_FD */ 654 IFM_ETHER | IFM_10_2, /* TULIP_MEDIA_BNC */ 655 IFM_ETHER | IFM_10_5, /* TULIP_MEDIA_AUI */ 656 IFM_ETHER | IFM_MANUAL, /* TULIP_MEDIA_EXTSIA */ 657 IFM_ETHER | IFM_10_5, /* TULIP_MEDIA_AUIBNC */ 658 IFM_ETHER | IFM_100_TX, /* TULIP_MEDIA_100BASET */ 659 IFM_ETHER | IFM_100_TX | IFM_FDX, /* TULIP_MEDIA_100BASET_FD */ 660 IFM_ETHER | IFM_100_T4, /* TULIP_MEDIA_100BASET4 */ 661 IFM_ETHER | IFM_100_FX, /* TULIP_MEDIA_100BASEFX */ 662 IFM_ETHER | IFM_100_FX | IFM_FDX, /* TULIP_MEDIA_100BASEFX_FD */ 663 }; 664 665 static const char * const tulip_system_errors[] = { 666 "parity error", 667 "master abort", 668 "target abort", 669 "reserved #3", 670 "reserved #4", 671 "reserved #5", 672 "reserved #6", 673 "reserved #7", 674 }; 675 676 static const char * const tulip_status_bits[] = { 677 NULL, 678 "transmit process stopped", 679 NULL, 680 "transmit jabber timeout", 681 682 NULL, 683 "transmit underflow", 684 NULL, 685 "receive underflow", 686 687 "receive process stopped", 688 "receive watchdog timeout", 689 NULL, 690 NULL, 691 692 "link failure", 693 NULL, 694 NULL, 695 }; 696 697 static const struct { 698 tulip_srom_connection_t sc_type; 699 tulip_media_t sc_media; 700 u_int32_t sc_attrs; 701 } tulip_srom_conninfo[] = { 702 { TULIP_SROM_CONNTYPE_10BASET, TULIP_MEDIA_10BASET }, 703 { TULIP_SROM_CONNTYPE_BNC, TULIP_MEDIA_BNC }, 704 { TULIP_SROM_CONNTYPE_AUI, TULIP_MEDIA_AUI }, 705 { TULIP_SROM_CONNTYPE_100BASETX, TULIP_MEDIA_100BASETX }, 706 { TULIP_SROM_CONNTYPE_100BASET4, TULIP_MEDIA_100BASET4 }, 707 { TULIP_SROM_CONNTYPE_100BASEFX, TULIP_MEDIA_100BASEFX }, 708 { TULIP_SROM_CONNTYPE_MII_10BASET, TULIP_MEDIA_10BASET, 709 TULIP_SROM_ATTR_MII }, 710 { TULIP_SROM_CONNTYPE_MII_100BASETX, TULIP_MEDIA_100BASETX, 711 TULIP_SROM_ATTR_MII }, 712 { TULIP_SROM_CONNTYPE_MII_100BASET4, TULIP_MEDIA_100BASET4, 713 TULIP_SROM_ATTR_MII }, 714 { TULIP_SROM_CONNTYPE_MII_100BASEFX, TULIP_MEDIA_100BASEFX, 715 TULIP_SROM_ATTR_MII }, 716 { TULIP_SROM_CONNTYPE_10BASET_NWAY, TULIP_MEDIA_10BASET, 717 TULIP_SROM_ATTR_NWAY }, 718 { TULIP_SROM_CONNTYPE_10BASET_FD, TULIP_MEDIA_10BASET_FD }, 719 { TULIP_SROM_CONNTYPE_MII_10BASET_FD, TULIP_MEDIA_10BASET_FD, 720 TULIP_SROM_ATTR_MII }, 721 { TULIP_SROM_CONNTYPE_100BASETX_FD, TULIP_MEDIA_100BASETX_FD }, 722 { TULIP_SROM_CONNTYPE_MII_100BASETX_FD, TULIP_MEDIA_100BASETX_FD, 723 TULIP_SROM_ATTR_MII }, 724 { TULIP_SROM_CONNTYPE_10BASET_NOLINKPASS, TULIP_MEDIA_10BASET, 725 TULIP_SROM_ATTR_NOLINKPASS }, 726 { TULIP_SROM_CONNTYPE_AUTOSENSE, TULIP_MEDIA_UNKNOWN, 727 TULIP_SROM_ATTR_AUTOSENSE }, 728 { TULIP_SROM_CONNTYPE_AUTOSENSE_POWERUP, TULIP_MEDIA_UNKNOWN, 729 TULIP_SROM_ATTR_AUTOSENSE|TULIP_SROM_ATTR_POWERUP }, 730 { TULIP_SROM_CONNTYPE_AUTOSENSE_NWAY, TULIP_MEDIA_UNKNOWN, 731 TULIP_SROM_ATTR_AUTOSENSE|TULIP_SROM_ATTR_NWAY }, 732 { TULIP_SROM_CONNTYPE_NOT_USED, TULIP_MEDIA_UNKNOWN } 733 }; 734 #define TULIP_SROM_LASTCONNIDX \ 735 (sizeof(tulip_srom_conninfo)/sizeof(tulip_srom_conninfo[0]) - 1) 736 737 static const struct { 738 tulip_media_t sm_type; 739 tulip_srom_media_t sm_srom_type; 740 } tulip_srom_mediums[] = { 741 { TULIP_MEDIA_100BASEFX_FD, TULIP_SROM_MEDIA_100BASEFX_FD }, 742 { TULIP_MEDIA_100BASEFX, TULIP_SROM_MEDIA_100BASEFX }, 743 { TULIP_MEDIA_100BASET4, TULIP_SROM_MEDIA_100BASET4 }, 744 { TULIP_MEDIA_100BASETX_FD, TULIP_SROM_MEDIA_100BASETX_FD }, 745 { TULIP_MEDIA_100BASETX, TULIP_SROM_MEDIA_100BASETX }, 746 { TULIP_MEDIA_10BASET_FD, TULIP_SROM_MEDIA_10BASET_FD }, 747 { TULIP_MEDIA_AUI, TULIP_SROM_MEDIA_AUI }, 748 { TULIP_MEDIA_BNC, TULIP_SROM_MEDIA_BNC }, 749 { TULIP_MEDIA_10BASET, TULIP_SROM_MEDIA_10BASET }, 750 { TULIP_MEDIA_UNKNOWN } 751 }; 752 #endif /* TULIP_HDR_DATA */ 753 754 /* 755 * This driver supports a maximum of 32 tulip boards. 756 * This should be enough for the forseeable future. 757 */ 758 #define TULIP_MAX_DEVICES 32 759 760 #if defined(TULIP_USE_SOFTINTR) && defined(TULIP_HDR_DATA) 761 static u_int32_t tulip_softintr_mask; 762 static int tulip_softintr_last_unit; 763 static int tulip_softintr_max_unit; 764 static void tulip_softintr(void); 765 #endif 766 767 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 768 #define TULIP_RXDESC_PRESYNC(sc, di, s) \ 769 bus_dmamap_sync((sc)->tulip_dmatag, (sc)->tulip_rxdescmap, \ 770 (caddr_t) di - (caddr_t) (sc)->tulip_rxdescs, \ 771 (s), BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE) 772 #define TULIP_RXDESC_POSTSYNC(sc, di, s) \ 773 bus_dmamap_sync((sc)->tulip_dmatag, (sc)->tulip_rxdescmap, \ 774 (caddr_t) di - (caddr_t) (sc)->tulip_rxdescs, \ 775 (s), BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE) 776 #define TULIP_RXMAP_PRESYNC(sc, map) \ 777 bus_dmamap_sync((sc)->tulip_dmatag, (map), 0, (map)->dm_mapsize, \ 778 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE) 779 #define TULIP_RXMAP_POSTSYNC(sc, map) \ 780 bus_dmamap_sync((sc)->tulip_dmatag, (map), 0, (map)->dm_mapsize, \ 781 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE) 782 #define TULIP_RXMAP_CREATE(sc, mapp) \ 783 bus_dmamap_create((sc)->tulip_dmatag, TULIP_RX_BUFLEN, 2, \ 784 TULIP_DATA_PER_DESC, 0, \ 785 BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, (mapp)) 786 #else 787 #ifdef __alpha__ 788 #define TULIP_RXDESC_PRESYNC(sc, di, s) alpha_mb() 789 #define TULIP_RXDESC_POSTSYNC(sc, di, s) alpha_mb() 790 #define TULIP_RXMAP_PRESYNC(sc, map) alpha_mb() 791 #define TULIP_RXMAP_POSTSYNC(sc, map) alpha_mb() 792 #else 793 #define TULIP_RXDESC_PRESYNC(sc, di, s) do { } while (0) 794 #define TULIP_RXDESC_POSTSYNC(sc, di, s) do { } while (0) 795 #define TULIP_RXMAP_PRESYNC(sc, map) do { } while (0) 796 #define TULIP_RXMAP_POSTSYNC(sc, map) do { } while (0) 797 #endif 798 #define TULIP_RXMAP_CREATE(sc, mapp) do { } while (0) 799 #endif 800 801 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 802 #define TULIP_TXDESC_PRESYNC(sc, di, s) \ 803 bus_dmamap_sync((sc)->tulip_dmatag, (sc)->tulip_txdescmap, \ 804 (caddr_t) di - (caddr_t) (sc)->tulip_txdescs, \ 805 (s), BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE) 806 #define TULIP_TXDESC_POSTSYNC(sc, di, s) \ 807 bus_dmamap_sync((sc)->tulip_dmatag, (sc)->tulip_txdescmap, \ 808 (caddr_t) di - (caddr_t) (sc)->tulip_txdescs, \ 809 (s), BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE) 810 #define TULIP_TXMAP_PRESYNC(sc, map) \ 811 bus_dmamap_sync((sc)->tulip_dmatag, (map), 0, (map)->dm_mapsize, \ 812 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE) 813 #define TULIP_TXMAP_POSTSYNC(sc, map) \ 814 bus_dmamap_sync((sc)->tulip_dmatag, (map), 0, (map)->dm_mapsize, \ 815 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE) 816 #define TULIP_TXMAP_CREATE(sc, mapp) \ 817 bus_dmamap_create((sc)->tulip_dmatag, TULIP_DATA_PER_DESC, \ 818 TULIP_MAX_TXSEG, TULIP_DATA_PER_DESC, \ 819 0, BUS_DMA_NOWAIT, (mapp)) 820 #else 821 #ifdef __alpha__ 822 #define TULIP_TXDESC_PRESYNC(sc, di, s) alpha_mb() 823 #define TULIP_TXDESC_POSTSYNC(sc, di, s) alpha_mb() 824 #define TULIP_TXMAP_PRESYNC(sc, map) alpha_mb() 825 #define TULIP_TXMAP_POSTSYNC(sc, map) alpha_mb() 826 #else 827 #define TULIP_TXDESC_PRESYNC(sc, di, s) do { } while (0) 828 #define TULIP_TXDESC_POSTSYNC(sc, di, s) do { } while (0) 829 #define TULIP_TXMAP_PRESYNC(sc, map) do { } while (0) 830 #define TULIP_TXMAP_POSTSYNC(sc, map) do { } while (0) 831 #endif 832 #define TULIP_TXMAP_CREATE(sc, mapp) do { } while (0) 833 #endif 834 835 #ifdef notyet 836 #define SIOCGADDRROM _IOW('i', 240, struct ifreq) /* get 128 bytes of ROM */ 837 #define SIOCGCHIPID _IOWR('i', 241, struct ifreq) /* get chipid */ 838 #endif 839 840 #if defined(TULIP_HDR_DATA) 841 static tulip_softc_t *tulips[TULIP_MAX_DEVICES]; 842 #endif 843 844 #if defined(TULIP_USE_SOFTINTR) 845 NETISR_SET(NETISR_DE, tulip_softintr); 846 #endif 847 848 #define loudprintf if (bootverbose) printf 849 850 #ifndef tulip_if 851 #define tulip_if tulip_ac.ac_if 852 #endif 853 #ifndef tulip_unit 854 #define tulip_unit tulip_if.if_unit 855 #endif 856 #define tulip_name tulip_if.if_name 857 #ifndef tulip_enaddr 858 #define tulip_enaddr tulip_ac.ac_enaddr 859 #endif 860 861 #if !defined(TULIP_KVATOPHYS) && (!defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NORX) || defined(TULIP_BUS_DMA_NOTX)) 862 #if defined(__alpha__) 863 /* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */ 864 #define vtobus(va) alpha_XXX_dmamap((vm_offset_t)va) 865 #else 866 #define vtobus(va) vtophys(va) 867 #endif 868 #define TULIP_KVATOPHYS(sc, va) vtobus(va) 869 #endif 870 871 #if defined(TULIP_PERFSTATS) 872 #define TULIP_PERFMERGE(sc, member) \ 873 do { (sc)->tulip_perfstats[TULIP_PERF_TOTAL].member \ 874 += (sc)->tulip_perfstats[TULIP_PERF_CURRENT].member; \ 875 (sc)->tulip_perfstats[TULIP_PERF_PREVIOUS].member \ 876 = (sc)->tulip_perfstats[TULIP_PERF_CURRENT].member; \ 877 (sc)->tulip_perfstats[TULIP_PERF_CURRENT].member = 0; } while (0) 878 #define TULIP_PERFSTART(name) const tulip_cycle_t perfstart_ ## name = TULIP_PERFREAD(); 879 #define TULIP_PERFEND(name) do { \ 880 (sc)->tulip_curperfstats.perf_ ## name ## _cycles += TULIP_PERFDIFF(perfstart_ ## name, TULIP_PERFREAD()); \ 881 (sc)->tulip_curperfstats.perf_ ## name ++; \ 882 } while (0) 883 #if defined(__i386__) 884 typedef u_quad_t tulip_cycle_t; 885 static __inline__ tulip_cycle_t 886 TULIP_PERFREAD( 887 void) 888 { 889 tulip_cycle_t x; 890 __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x)); 891 return x; 892 } 893 #define TULIP_PERFDIFF(s, f) ((f) - (s)) 894 #elif defined(__alpha__) 895 typedef unsigned long tulip_cycle_t; 896 static __inline__ tulip_cycle_t 897 TULIP_PERFREAD( 898 void) 899 { 900 tulip_cycle_t x; 901 __asm__ volatile ("rpcc %0" : "=r" (x)); 902 return x; 903 } 904 #define TULIP_PERFDIFF(s, f) ((unsigned int) ((f) - (s))) 905 #endif 906 #else 907 #define TULIP_PERFSTART(name) 908 #define TULIP_PERFEND(name) do { } while (0) 909 #define TULIP_PERFMERGE(s,n) do { } while (0) 910 #endif /* TULIP_PERFSTATS */ 911 912 #define TULIP_CRC32_POLY 0xEDB88320UL /* CRC-32 Poly -- Little Endian */ 913 #define TULIP_MAX_TXSEG 30 914 915 #define TULIP_ADDREQUAL(a1, a2) \ 916 (((u_int16_t *)a1)[0] == ((u_int16_t *)a2)[0] \ 917 && ((u_int16_t *)a1)[1] == ((u_int16_t *)a2)[1] \ 918 && ((u_int16_t *)a1)[2] == ((u_int16_t *)a2)[2]) 919 #define TULIP_ADDRBRDCST(a1) \ 920 (((u_int16_t *)a1)[0] == 0xFFFFU \ 921 && ((u_int16_t *)a1)[1] == 0xFFFFU \ 922 && ((u_int16_t *)a1)[2] == 0xFFFFU) 923 924 #endif /* !defined(_DEVAR_H) */
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