if_devar.h revision 1.21
1/* $OpenBSD: if_devar.h,v 1.21 2005/09/08 01:09:58 brad Exp $ */ 2/* $NetBSD: if_devar.h,v 1.13 1997/06/08 18:46:36 thorpej Exp $ */ 3 4/*- 5 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * Id: if_devar.h,v 1.23 1997/06/03 18:51:16 thomas Exp 28 */ 29 30typedef bus_addr_t tulip_csrptr_t; 31 32#define TULIP_CSR_READ(sc, csr) \ 33 bus_space_read_4((sc)->tulip_bustag, (sc)->tulip_bushandle, (sc)->tulip_csrs.csr) 34#define TULIP_CSR_WRITE(sc, csr, val) \ 35 bus_space_write_4((sc)->tulip_bustag, (sc)->tulip_bushandle, (sc)->tulip_csrs.csr, (val)) 36 37#define TULIP_CSR_READBYTE(sc, csr) \ 38 bus_space_read_1((sc)->tulip_bustag, (sc)->tulip_bushandle, (sc)->tulip_csrs.csr) 39#define TULIP_CSR_WRITEBYTE(sc, csr, val) \ 40 bus_space_write_1((sc)->tulip_bustag, (sc)->tulip_bushandle, (sc)->tulip_csrs.csr, (val)) 41 42#ifdef TULIP_IOMAPPED 43#define TULIP_EISA_CSRSIZE 16 44#define TULIP_EISA_CSROFFSET 0 45#define TULIP_PCI_CSRSIZE 8 46#define TULIP_PCI_CSROFFSET 0 47#else /* TULIP_IOMAPPED */ 48#define TULIP_PCI_CSRSIZE 8 49#define TULIP_PCI_CSROFFSET 0 50#endif /* TULIP_IOMAPPED */ 51 52/* 53 * Swap macro to access certain data types. 54 */ 55#if defined(BYTE_ORDER) && BYTE_ORDER == BIG_ENDIAN 56__inline__ static u_int32_t FILT_BO(u_int32_t); 57__inline__ static u_int32_t DESC_BO(u_int32_t); 58 59__inline__ static u_int32_t 60FILT_BO(x) 61 u_int32_t x; 62{ 63 u_int32_t s; 64 65 s = (x & 0xffff) << 16 | ((x & 0xff) << 8) | ((x & 0xff00) >> 8); 66 return s; 67} 68 69__inline__ static u_int32_t 70DESC_BO(x) 71 u_int32_t x; 72{ 73 u_int32_t s; 74 75 s = x; 76 x = (((s) >> 24) | (((s) >> 8) & 0xff00) | 77 ((s) << 24) | (((s) & 0xff00) << 8)); 78 return x; 79} 80 81#else 82#define FILT_BO(x) (x) 83#define DESC_BO(x) (x) 84#endif 85 86/* 87 * This structure contains "pointers" for the registers on 88 * the various 21x4x chips. CSR0 through CSR8 are common 89 * to all chips. After that, it gets messy... 90 */ 91typedef struct { 92 tulip_csrptr_t csr_busmode; /* CSR0 */ 93 tulip_csrptr_t csr_txpoll; /* CSR1 */ 94 tulip_csrptr_t csr_rxpoll; /* CSR2 */ 95 tulip_csrptr_t csr_rxlist; /* CSR3 */ 96 tulip_csrptr_t csr_txlist; /* CSR4 */ 97 tulip_csrptr_t csr_status; /* CSR5 */ 98 tulip_csrptr_t csr_command; /* CSR6 */ 99 tulip_csrptr_t csr_intr; /* CSR7 */ 100 tulip_csrptr_t csr_missed_frames; /* CSR8 */ 101 tulip_csrptr_t csr_9; /* CSR9 */ 102 tulip_csrptr_t csr_10; /* CSR10 */ 103 tulip_csrptr_t csr_11; /* CSR11 */ 104 tulip_csrptr_t csr_12; /* CSR12 */ 105 tulip_csrptr_t csr_13; /* CSR13 */ 106 tulip_csrptr_t csr_14; /* CSR14 */ 107 tulip_csrptr_t csr_15; /* CSR15 */ 108} tulip_regfile_t; 109 110#define csr_enetrom csr_9 /* 21040 */ 111#define csr_reserved csr_10 /* 21040 */ 112#define csr_full_duplex csr_11 /* 21040 */ 113#define csr_bootrom csr_10 /* 21041/21140A/?? */ 114#define csr_gp csr_12 /* 21140* */ 115#define csr_watchdog csr_15 /* 21140* */ 116#define csr_gp_timer csr_11 /* 21041/21140* */ 117#define csr_srom_mii csr_9 /* 21041/21140* */ 118#define csr_sia_status csr_12 /* 2104x */ 119#define csr_sia_connectivity csr_13 /* 2104x */ 120#define csr_sia_tx_rx csr_14 /* 2104x */ 121#define csr_sia_general csr_15 /* 2104x */ 122 123/* 124 * While 21x4x allows chaining of its descriptors, this driver 125 * doesn't take advantage of it. We keep the descriptors in a 126 * traditional FIFO ring. 127 */ 128typedef struct { 129 tulip_desc_t *ri_first; /* first entry in ring */ 130 tulip_desc_t *ri_last; /* one after last entry */ 131 tulip_desc_t *ri_nextin; /* next to processed by host */ 132 tulip_desc_t *ri_nextout; /* next to processed by adapter */ 133 int ri_max; 134 int ri_free; 135} tulip_ringinfo_t; 136 137/* 138 * The 21040 has a stupid restriction in that the receive 139 * buffers must be longword aligned. But since Ethernet 140 * headers are not a multiple of longwords in size this forces 141 * the data to non-longword aligned. Since IP requires the 142 * data to be longword aligned, we need to copy it after it has 143 * been DMA'ed in our memory. 144 * 145 * Since we have to copy it anyways, we might as well as allocate 146 * dedicated receive space for the input. This allows to use a 147 * small receive buffer size and more ring entries to be able to 148 * better keep with a flood of tiny Ethernet packets. 149 * 150 * The receive space MUST ALWAYS be a multiple of the page size. 151 * And the number of receive descriptors multiplied by the size 152 * of the receive buffers must equal the recevive space. This 153 * is so that we can manipulate the page tables so that even if a 154 * packet wraps around the end of the receive space, we can 155 * treat it as virtually contiguous. 156 * 157 * The above used to be true (the stupid restriction is still true) 158 * but we gone to directly DMA'ing into MBUFs (unless it's on an 159 * architecture which can't handle unaligned accesses) because with 160 * 100Mb/s cards the copying is just too much of a hit. 161 */ 162#if defined(__alpha__) || defined(__mips__) 163#define TULIP_COPY_RXDATA 1 164#endif 165 166#define TULIP_TXTIMER 4 167#define TULIP_RXDESCS 48 168#define TULIP_TXDESCS 128 169#define TULIP_RXQ_TARGET 32 170#if TULIP_RXQ_TARGET >= TULIP_RXDESCS 171#error TULIP_RXQ_TARGET must be less than TULIP_RXDESCS 172#endif 173#define TULIP_RX_BUFLEN ((MCLBYTES < 2048 ? MCLBYTES : 2048) - 16) 174 175/* 176 * Forward reference to make C happy. 177 */ 178typedef struct _tulip_softc_t tulip_softc_t; 179 180/* 181 * The various controllers support. Technically the DE425 is just 182 * a 21040 on EISA. But since it remarkably difference from normal 183 * 21040s, we give it its own chip id. 184 */ 185 186typedef enum { 187 TULIP_21040, TULIP_DE425, 188 TULIP_21041, 189 TULIP_21140, TULIP_21140A, TULIP_21142, 190 TULIP_21143, 191 TULIP_CHIPID_UNKNOWN 192} tulip_chipid_t; 193 194/* 195 * Various physical media types supported. 196 * BNCAUI is BNC or AUI since on the 21040 you can't really tell 197 * which is in use. 198 */ 199typedef enum { 200 TULIP_MEDIA_UNKNOWN, 201 TULIP_MEDIA_10BASET, 202 TULIP_MEDIA_10BASET_FD, 203 TULIP_MEDIA_BNC, 204 TULIP_MEDIA_AUI, 205 TULIP_MEDIA_EXTSIA, 206 TULIP_MEDIA_AUIBNC, 207 TULIP_MEDIA_100BASETX, 208 TULIP_MEDIA_100BASETX_FD, 209 TULIP_MEDIA_100BASET4, 210 TULIP_MEDIA_100BASEFX, 211 TULIP_MEDIA_100BASEFX_FD, 212 TULIP_MEDIA_MAX 213} tulip_media_t; 214 215#define TULIP_BIT(b) (1L << ((int)(b))) 216#define TULIP_FDBIT(m) (1L << ((int)TULIP_MEDIA_ ## m ## _FD)) 217#define TULIP_MBIT(m) (1L << ((int)TULIP_MEDIA_ ## m )) 218#define TULIP_IS_MEDIA_FD(m) (TULIP_BIT(m) & \ 219 (TULIP_FDBIT(10BASET) \ 220 |TULIP_FDBIT(100BASETX) \ 221 |TULIP_FDBIT(100BASEFX))) 222#define TULIP_CAN_MEDIA_FD(m) (TULIP_BIT(m) & \ 223 (TULIP_MBIT(10BASET) \ 224 |TULIP_MBIT(100BASETX) \ 225 |TULIP_MBIT(100BASEFX))) 226#define TULIP_FD_MEDIA_OF(m) ((tulip_media_t)((m) + 1)) 227#define TULIP_HD_MEDIA_OF(m) ((tulip_media_t)((m) - 1)) 228#define TULIP_IS_MEDIA_100MB(m) ((m) >= TULIP_MEDIA_100BASETX) 229#define TULIP_IS_MEDIA_TP(m) ((TULIP_BIT(m) & \ 230 (TULIP_MBIT(BNC) \ 231 |TULIP_MBIT(AUI) \ 232 |TULIP_MBIT(AUIBNC) \ 233 |TULIP_MBIT(EXTSIA))) == 0) 234 235#define TULIP_SROM_ATTR_MII 0x0100 236#define TULIP_SROM_ATTR_NWAY 0x0200 237#define TULIP_SROM_ATTR_AUTOSENSE 0x0400 238#define TULIP_SROM_ATTR_POWERUP 0x0800 239#define TULIP_SROM_ATTR_NOLINKPASS 0x1000 240 241typedef struct { 242 enum { 243 TULIP_MEDIAINFO_NONE, 244 TULIP_MEDIAINFO_SIA, 245 TULIP_MEDIAINFO_GPR, 246 TULIP_MEDIAINFO_MII, 247 TULIP_MEDIAINFO_RESET, 248 TULIP_MEDIAINFO_SYM 249 } mi_type; 250 union { 251 struct { 252 u_int16_t sia_connectivity; 253 u_int16_t sia_tx_rx; 254 u_int16_t sia_general; 255 u_int32_t sia_gp_control; /* 21142/21143 */ 256 u_int32_t sia_gp_data; /* 21142/21143 */ 257 } un_sia; 258 struct { 259 u_int32_t gpr_cmdmode; 260 u_int32_t gpr_gpcontrol; /* 21142/21143 */ 261 u_int32_t gpr_gpdata; 262 u_int8_t gpr_actmask; 263 u_int8_t gpr_actdata; 264 u_int8_t gpr_default : 1; 265 } un_gpr; 266 struct { 267 u_int32_t mii_mediamask; 268 u_int16_t mii_capabilities; 269 u_int16_t mii_advertisement; 270 u_int16_t mii_full_duplex; 271 u_int16_t mii_tx_threshold; 272 u_int16_t mii_interrupt; /* 21142/21143 */ 273 u_int8_t mii_phyaddr; 274 u_int8_t mii_gpr_length; 275 u_int8_t mii_gpr_offset; 276 u_int8_t mii_reset_length; 277 u_int8_t mii_reset_offset; 278 u_int32_t mii_phyid; 279 } un_mii; 280 } mi_un; 281} tulip_media_info_t; 282 283#define mi_sia_connectivity mi_un.un_sia.sia_connectivity 284#define mi_sia_tx_rx mi_un.un_sia.sia_tx_rx 285#define mi_sia_general mi_un.un_sia.sia_general 286#define mi_sia_gp_control mi_un.un_sia.sia_gp_control 287#define mi_sia_gp_data mi_un.un_sia.sia_gp_data 288 289#define mi_gpcontrol mi_un.un_gpr.gpr_gpcontrol 290#define mi_gpdata mi_un.un_gpr.gpr_gpdata 291#define mi_actmask mi_un.un_gpr.gpr_actmask 292#define mi_actdata mi_un.un_gpr.gpr_actdata 293#define mi_default mi_un.un_gpr.gpr_default 294#define mi_cmdmode mi_un.un_gpr.gpr_cmdmode 295 296#define mi_phyaddr mi_un.un_mii.mii_phyaddr 297#define mi_gpr_length mi_un.un_mii.mii_gpr_length 298#define mi_gpr_offset mi_un.un_mii.mii_gpr_offset 299#define mi_reset_length mi_un.un_mii.mii_reset_length 300#define mi_reset_offset mi_un.un_mii.mii_reset_offset 301#define mi_capabilities mi_un.un_mii.mii_capabilities 302#define mi_advertisement mi_un.un_mii.mii_advertisement 303#define mi_full_duplex mi_un.un_mii.mii_full_duplex 304#define mi_tx_threshold mi_un.un_mii.mii_tx_threshold 305#define mi_mediamask mi_un.un_mii.mii_mediamask 306#define mi_mii_interrupt mi_un.un_mii.mii_interrupt 307#define mi_phyid mi_un.un_mii.mii_phyid 308 309#define TULIP_MEDIAINFO_SIA_INIT(sc, mi, chipid, media) do { \ 310 (mi)->mi_type = TULIP_MEDIAINFO_SIA; \ 311 sc->tulip_mediums[TULIP_MEDIA_ ## media] = (mi); \ 312 (mi)->mi_sia_connectivity = TULIP_ ## chipid ## _SIACONN_ ## media; \ 313 (mi)->mi_sia_tx_rx = TULIP_ ## chipid ## _SIATXRX_ ## media; \ 314 (mi)->mi_sia_general = TULIP_ ## chipid ## _SIAGEN_ ## media; \ 315} while (0) 316 317#define TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, media) do { \ 318 if ((sc)->tulip_mediums[TULIP_MEDIA_ ## media] == NULL \ 319 && ((mi)->mi_capabilities & PHYSTS_ ## media)) { \ 320 (sc)->tulip_mediums[TULIP_MEDIA_ ## media] = (mi); \ 321 (mi)->mi_mediamask |= TULIP_BIT(TULIP_MEDIA_ ## media); \ 322 } \ 323} while (0) 324 325#define TULIP_MII_NOPHY 32 326/* 327 * Some boards need to treated specially. The following enumeration 328 * identifies the cards with quirks (or those we just want to single 329 * out for special merit or scorn). 330 */ 331typedef enum { 332 TULIP_21040_GENERIC, /* Generic 21040 (works with most any board) */ 333 TULIP_21140_ISV, /* Digital Semicondutor 21140 ISV SROM Format */ 334 TULIP_21142_ISV, /* Digital Semicondutor 21142 ISV SROM Format */ 335 TULIP_21143_ISV, /* Digital Semicondutor 21143 ISV SROM Format */ 336 TULIP_21140_DEC_EB, /* Digital Semicondutor 21140 Evaluation Board */ 337 TULIP_21140_MII, /* 21140[A] with MII */ 338 TULIP_21140_DEC_DE500, /* Digital DE500-?? 10/100 */ 339 TULIP_21140_SMC_9332, /* SMC 9332 */ 340 TULIP_21140_COGENT_EM100, /* Cogent EM100 100 only */ 341 TULIP_21140_ZNYX_ZX34X, /* ZNYX ZX342 10/100 */ 342 TULIP_21140_ASANTE, /* AsanteFast 10/100 */ 343 TULIP_21140_EN1207, /* Accton EN2107 10/100 BNC */ 344 TULIP_21041_GENERIC /* Generic 21041 card */ 345} tulip_board_t; 346 347typedef enum { 348 TULIP_MEDIAPOLL_TIMER, /* 100ms timer fired */ 349 TULIP_MEDIAPOLL_FASTTIMER, /* <100ms timer fired */ 350 TULIP_MEDIAPOLL_LINKFAIL, /* called from interrupt routine */ 351 TULIP_MEDIAPOLL_LINKPASS, /* called from interrupt routine */ 352 TULIP_MEDIAPOLL_START, /* start a media probe (called from reset) */ 353 TULIP_MEDIAPOLL_TXPROBE_OK, /* txprobe succeeded */ 354 TULIP_MEDIAPOLL_TXPROBE_FAILED, /* txprobe failed */ 355 TULIP_MEDIAPOLL_MAX 356} tulip_mediapoll_event_t; 357 358typedef enum { 359 TULIP_LINK_DOWN, /* Link is down */ 360 TULIP_LINK_UP, /* link is ok */ 361 TULIP_LINK_UNKNOWN /* we can't tell either way */ 362} tulip_link_status_t; 363 364 365/* 366 * This data structure is used to abstract out the quirks. 367 * media_probe = tries to determine the media type. 368 * media_select = enables the current media (or autosenses) 369 * media_poll = autosenses media 370 * media_preset = 21140, etal requires bit to set before the 371 * the software reset; hence pre-set. Should be 372 * pre-reset but that's ugly. 373 */ 374 375typedef struct { 376 tulip_board_t bd_type; 377 void (*bd_media_probe)(tulip_softc_t * const sc); 378 void (*bd_media_select)(tulip_softc_t * const sc); 379 void (*bd_media_poll)(tulip_softc_t * const sc, tulip_mediapoll_event_t event); 380 void (*bd_media_preset)(tulip_softc_t * const sc); 381} tulip_boardsw_t; 382 383/* 384 * The next few declarations are for MII/PHY based board. 385 * 386 * The first enumeration identifies a superset of various datums 387 * that can be obtained from various PHY chips. Not all PHYs will 388 * support all datums. 389 * The modedata structure indicates what register contains 390 * a datum, what mask is applied the register contents, and what the 391 * result should be. 392 * The attr structure records information about a supported PHY. 393 * The phy structure records information about a PHY instance. 394 */ 395 396typedef enum { 397 PHY_MODE_10T, 398 PHY_MODE_100TX, 399 PHY_MODE_100T4, 400 PHY_MODE_FULLDUPLEX, 401 PHY_MODE_MAX 402} tulip_phy_mode_t; 403 404typedef struct { 405 u_int16_t pm_regno; 406 u_int16_t pm_mask; 407 u_int16_t pm_value; 408} tulip_phy_modedata_t; 409 410typedef struct { 411 u_int32_t attr_id; 412 u_int16_t attr_flags; 413#define PHY_NEED_HARD_RESET 0x0001 414#define PHY_DUAL_CYCLE_TA 0x0002 415 tulip_phy_modedata_t attr_modes[PHY_MODE_MAX]; 416#ifdef TULIP_DEBUG 417 const char *attr_name; 418#endif 419} tulip_phy_attr_t; 420 421/* 422 * Various probe states used when trying to autosense the media. 423 */ 424 425typedef enum { 426 TULIP_PROBE_INACTIVE, 427 TULIP_PROBE_PHYRESET, 428 TULIP_PROBE_PHYAUTONEG, 429 TULIP_PROBE_GPRTEST, 430 TULIP_PROBE_MEDIATEST, 431 TULIP_PROBE_FAILED 432} tulip_probe_state_t; 433 434typedef struct { 435 /* 436 * Transmit Statistics 437 */ 438 u_int32_t dot3StatsSingleCollisionFrames; 439 u_int32_t dot3StatsMultipleCollisionFrames; 440 u_int32_t dot3StatsSQETestErrors; 441 u_int32_t dot3StatsDeferredTransmissions; 442 u_int32_t dot3StatsLateCollisions; 443 u_int32_t dot3StatsExcessiveCollisions; 444 u_int32_t dot3StatsCarrierSenseErrors; 445 u_int32_t dot3StatsInternalMacTransmitErrors; 446 u_int32_t dot3StatsInternalTransmitUnderflows; /* not in rfc1650! */ 447 u_int32_t dot3StatsInternalTransmitBabbles; /* not in rfc1650! */ 448 /* 449 * Receive Statistics 450 */ 451 u_int32_t dot3StatsMissedFrames; /* not in rfc1650! */ 452 u_int32_t dot3StatsAlignmentErrors; 453 u_int32_t dot3StatsFCSErrors; 454 u_int32_t dot3StatsFrameTooLongs; 455 u_int32_t dot3StatsInternalMacReceiveErrors; 456} tulip_dot3_stats_t; 457 458/* 459 * Now to important stuff. This is softc structure (where does softc 460 * come from??? No idea) for the tulip device. 461 * 462 */ 463struct _tulip_softc_t { 464 struct device tulip_dev; /* base device */ 465 void *tulip_ih; /* intrrupt vectoring */ 466 void *tulip_ats; /* shutdown hook */ 467 468 bus_space_tag_t tulip_bustag; /* tag of CSR region being used */ 469 bus_space_handle_t tulip_bushandle; /* handle for CSR region being used */ 470 pci_chipset_tag_t tulip_pc; 471 u_int8_t tulip_enaddr[ETHER_ADDR_LEN]; 472 struct ifmedia tulip_ifmedia; 473 struct arpcom tulip_ac; 474 struct timeout tulip_ftmo, tulip_stmo; 475 tulip_regfile_t tulip_csrs; 476 u_int32_t tulip_flags; 477#define TULIP_WANTSETUP 0x00000001 478#define TULIP_WANTHASHPERFECT 0x00000002 479#define TULIP_WANTHASHONLY 0x00000004 480#define TULIP_DOINGSETUP 0x00000008 481#define TULIP_PRINTMEDIA 0x00000010 482#define TULIP_TXPROBE_ACTIVE 0x00000020 483#define TULIP_ALLMULTI 0x00000040 484#define TULIP_WANTRXACT 0x00000080 485#define TULIP_RXACT 0x00000100 486#define TULIP_INRESET 0x00000200 487#define TULIP_NEEDRESET 0x00000400 488#define TULIP_SQETEST 0x00000800 489#define TULIP_FULLDUPLEX 0x00001000 490#define TULIP_xxxxxx1 0x00002000 491#define TULIP_WANTTXSTART 0x00004000 492#define TULIP_NEWTXTHRESH 0x00008000 493#define TULIP_NOAUTOSENSE 0x00010000 494#define TULIP_PRINTLINKUP 0x00020000 495#define TULIP_LINKUP 0x00040000 496#define TULIP_RXBUFSLOW 0x00080000 497#define TULIP_NOMESSAGES 0x00100000 498#define TULIP_SYSTEMERROR 0x00200000 499#define TULIP_TIMEOUTPENDING 0x00400000 500#define TULIP_xxxxxx2 0x00800000 501#define TULIP_TRYNWAY 0x01000000 502#define TULIP_DIDNWAY 0x02000000 503#define TULIP_RXIGNORE 0x04000000 504#define TULIP_PROBE1STPASS 0x08000000 505#define TULIP_DEVICEPROBE 0x10000000 506#define TULIP_PROMISC 0x20000000 507#define TULIP_HASHONLY 0x40000000 508#define TULIP_xxxxxx3 0x80000000 509 /* only 4 bits left! */ 510 u_int32_t tulip_features; /* static bits indicating features of chip */ 511#define TULIP_HAVE_GPR 0x00000001 /* have gp register (140[A]) */ 512#define TULIP_HAVE_RXBADOVRFLW 0x00000002 /* RX corrupts on overflow */ 513#define TULIP_HAVE_POWERMGMT 0x00000004 /* Snooze/sleep modes */ 514#define TULIP_HAVE_MII 0x00000008 /* Some medium on MII */ 515#define TULIP_HAVE_SIANWAY 0x00000010 /* SIA does NWAY */ 516#define TULIP_HAVE_DUALSENSE 0x00000020 /* SIA senses both AUI & TP */ 517#define TULIP_HAVE_SIAGP 0x00000040 /* SIA has a GP port */ 518#define TULIP_HAVE_BROKEN_HASH 0x00000080 /* Broken Multicast Hash */ 519#define TULIP_HAVE_ISVSROM 0x00000100 /* uses ISV SROM Format */ 520#define TULIP_HAVE_BASEROM 0x00000200 /* Board ROM can be cloned */ 521#define TULIP_HAVE_SLAVEDROM 0x00000400 /* Board ROM cloned */ 522#define TULIP_HAVE_SLAVEDINTR 0x00000800 /* Board slaved interrupt */ 523#define TULIP_HAVE_SHAREDINTR 0x00001000 /* Board shares interrupts */ 524#define TULIP_HAVE_OKROM 0x00002000 /* ROM was recognized */ 525#define TULIP_HAVE_NOMEDIA 0x00004000 /* did not detect any media */ 526#define TULIP_HAVE_STOREFWD 0x00008000 /* have CMD_STOREFWD */ 527#define TULIP_HAVE_SIA100 0x00010000 /* has LS100 in SIA status */ 528#define TULIP_HAVE_OKSROM 0x00020000 /* SROM CRC is OK */ 529 u_int32_t tulip_intrmask; /* our copy of csr_intr */ 530 u_int32_t tulip_cmdmode; /* our copy of csr_cmdmode */ 531 u_int32_t tulip_last_system_error : 3; /* last system error (only value is 532 TULIP_SYSTEMERROR is also set) */ 533 u_int32_t tulip_txtimer : 2; /* transmission timer */ 534 u_int32_t tulip_system_errors; /* number of system errors encountered */ 535 u_int32_t tulip_statusbits; /* status bits from CSR5 that may need to be printed */ 536 537 tulip_media_info_t *tulip_mediums[TULIP_MEDIA_MAX]; /* indexes into mediainfo */ 538 tulip_media_t tulip_media; /* current media type */ 539 u_int32_t tulip_abilities; /* remote system's abiltities (as defined in IEEE 802.3u) */ 540 541 u_int8_t tulip_revinfo; /* revision of chip */ 542 u_int8_t tulip_phyaddr; /* 0..31 -- address of current phy */ 543 u_int8_t tulip_gpinit; /* active pins on 21140 */ 544 u_int8_t tulip_gpdata; /* default gpdata for 21140 */ 545 546 struct { 547 u_int8_t probe_count; /* count of probe operations */ 548 int32_t probe_timeout; /* time in ms of probe timeout */ 549 tulip_probe_state_t probe_state; /* current media probe state */ 550 tulip_media_t probe_media; /* current media being probed */ 551 u_int32_t probe_mediamask; /* medias checked */ 552 u_int32_t probe_passes; /* times autosense failed */ 553 u_int32_t probe_txprobes; /* txprobes attempted */ 554 } tulip_probe; 555#define tulip_probe_count tulip_probe.probe_count 556#define tulip_probe_timeout tulip_probe.probe_timeout 557#define tulip_probe_state tulip_probe.probe_state 558#define tulip_probe_media tulip_probe.probe_media 559#define tulip_probe_mediamask tulip_probe.probe_mediamask 560#define tulip_probe_passes tulip_probe.probe_passes 561 562 tulip_chipid_t tulip_chipid; /* type of chip we are using */ 563 const tulip_boardsw_t *tulip_boardsw; /* board/chip characteristics */ 564 tulip_softc_t *tulip_slaves; /* slaved devices (ZX3xx) */ 565#if defined(TULIP_DEBUG) 566 /* 567 * Debugging/Statistical information 568 */ 569 struct { 570 tulip_media_t dbg_last_media; 571 u_int32_t dbg_intrs; 572 u_int32_t dbg_media_probes; 573 u_int32_t dbg_txprobe_nocarr; 574 u_int32_t dbg_txprobe_exccoll; 575 u_int32_t dbg_link_downed; 576 u_int32_t dbg_link_suspected; 577 u_int32_t dbg_link_intrs; 578 u_int32_t dbg_link_pollintrs; 579 u_int32_t dbg_link_failures; 580 u_int32_t dbg_nway_starts; 581 u_int32_t dbg_nway_failures; 582 u_int16_t dbg_phyregs[32][4]; 583 u_int32_t dbg_rxlowbufs; 584 u_int32_t dbg_rxintrs; 585 u_int32_t dbg_last_rxintrs; 586 u_int32_t dbg_high_rxintrs_hz; 587 u_int32_t dbg_txprobes_ok[TULIP_MEDIA_MAX]; 588 u_int32_t dbg_txprobes_failed[TULIP_MEDIA_MAX]; 589 u_int32_t dbg_events[TULIP_MEDIAPOLL_MAX]; 590 u_int32_t dbg_rxpktsperintr[TULIP_RXDESCS]; 591 } tulip_dbg; 592#endif 593#if defined(TULIP_PERFSTATS) 594#define TULIP_PERF_CURRENT 0 595#define TULIP_PERF_PREVIOUS 1 596#define TULIP_PERF_TOTAL 2 597#define TULIP_PERF_MAX 3 598 struct tulip_perfstats { 599 u_quad_t perf_intr_cycles; 600 u_quad_t perf_ifstart_cycles; 601 u_quad_t perf_ifstart_one_cycles; 602 u_quad_t perf_ifioctl_cycles; 603 u_quad_t perf_ifwatchdog_cycles; 604 u_quad_t perf_timeout_cycles; 605 u_quad_t perf_txput_cycles; 606 u_quad_t perf_txintr_cycles; 607 u_quad_t perf_rxintr_cycles; 608 u_quad_t perf_rxget_cycles; 609 unsigned perf_intr; 610 unsigned perf_ifstart; 611 unsigned perf_ifstart_one; 612 unsigned perf_ifioctl; 613 unsigned perf_ifwatchdog; 614 unsigned perf_timeout; 615 unsigned perf_txput; 616 unsigned perf_txintr; 617 unsigned perf_rxintr; 618 unsigned perf_rxget; 619 } tulip_perfstats[TULIP_PERF_MAX]; 620#define tulip_curperfstats tulip_perfstats[TULIP_PERF_CURRENT] 621#endif 622 struct ifqueue tulip_txq; 623 struct ifqueue tulip_rxq; 624 tulip_dot3_stats_t tulip_dot3stats; 625 tulip_ringinfo_t tulip_rxinfo; 626 tulip_ringinfo_t tulip_txinfo; 627 tulip_media_info_t tulip_mediainfo[10]; 628 /* 629 * The setup buffers for sending the setup frame to the chip. 630 * one is the one being sent while the other is the one being 631 * filled. 632 */ 633 u_int32_t tulip_setupbuf[192/sizeof(u_int32_t)]; 634 u_int32_t tulip_setupdata[192/sizeof(u_int32_t)]; 635 char tulip_boardid[16]; /* buffer for board ID */ 636 u_int8_t tulip_rombuf[128]; 637 struct device *tulip_pci_busno; /* needed for multiport boards */ 638 u_int8_t tulip_pci_devno; /* needed for multiport boards */ 639 u_int8_t tulip_connidx; 640 tulip_srom_connection_t tulip_conntype; 641 tulip_desc_t tulip_rxdescs[TULIP_RXDESCS]; 642 tulip_desc_t tulip_txdescs[TULIP_TXDESCS]; 643}; 644 645#define TULIP_DO_AUTOSENSE(sc) (IFM_SUBTYPE((sc)->tulip_ifmedia.ifm_media) == IFM_AUTO) 646 647#ifdef TULIP_DEBUG 648static const char * const tulip_chipdescs[] = { 649 "21040 [10Mb/s]", 650#if defined(TULIP_EISA) 651 "DE425 [10Mb/s]", 652#else 653 NULL, 654#endif 655 "21041 [10Mb/s]", 656 "21140 [10-100Mb/s]", 657 "21140A [10-100Mb/s]", 658 "21142 [10-100Mb/s]", 659 "21143 [10-100Mb/s]", 660 "82C168 [10-100Mb/s]", 661}; 662#endif 663 664#ifdef TULIP_DEBUG 665static const char * const tulip_mediums[] = { 666 "unknown", /* TULIP_MEDIA_UNKNOWN */ 667 "10baseT", /* TULIP_MEDIA_10BASET */ 668 "Full Duplex 10baseT", /* TULIP_MEDIA_10BASET_FD */ 669 "BNC", /* TULIP_MEDIA_BNC */ 670 "AUI", /* TULIP_MEDIA_AUI */ 671 "External SIA", /* TULIP_MEDIA_EXTSIA */ 672 "AUI/BNC", /* TULIP_MEDIA_AUIBNC */ 673 "100baseTX", /* TULIP_MEDIA_100BASET */ 674 "Full Duplex 100baseTX", /* TULIP_MEDIA_100BASET_FD */ 675 "100baseT4", /* TULIP_MEDIA_100BASET4 */ 676 "100baseFX", /* TULIP_MEDIA_100BASEFX */ 677 "Full Duplex 100baseFX", /* TULIP_MEDIA_100BASEFX_FD */ 678}; 679#endif 680 681static const int tulip_media_to_ifmedia[] = { 682 IFM_ETHER | IFM_NONE, /* TULIP_MEDIA_UNKNOWN */ 683 IFM_ETHER | IFM_10_T, /* TULIP_MEDIA_10BASET */ 684 IFM_ETHER | IFM_10_T | IFM_FDX, /* TULIP_MEDIA_10BASET_FD */ 685 IFM_ETHER | IFM_10_2, /* TULIP_MEDIA_BNC */ 686 IFM_ETHER | IFM_10_5, /* TULIP_MEDIA_AUI */ 687 IFM_ETHER | IFM_MANUAL, /* TULIP_MEDIA_EXTSIA */ 688 IFM_ETHER | IFM_10_5, /* TULIP_MEDIA_AUIBNC */ 689 IFM_ETHER | IFM_100_TX, /* TULIP_MEDIA_100BASET */ 690 IFM_ETHER | IFM_100_TX | IFM_FDX, /* TULIP_MEDIA_100BASET_FD */ 691 IFM_ETHER | IFM_100_T4, /* TULIP_MEDIA_100BASET4 */ 692 IFM_ETHER | IFM_100_FX, /* TULIP_MEDIA_100BASEFX */ 693 IFM_ETHER | IFM_100_FX | IFM_FDX, /* TULIP_MEDIA_100BASEFX_FD */ 694}; 695 696#ifdef TULIP_DEBUG 697static const char * const tulip_system_errors[] = { 698 "parity error", 699 "master abort", 700 "target abort", 701 "reserved #3", 702 "reserved #4", 703 "reserved #5", 704 "reserved #6", 705 "reserved #7", 706}; 707 708static const char * const tulip_status_bits[] = { 709 NULL, 710 "transmit process stopped", 711 NULL, 712 "transmit jabber timeout", 713 714 NULL, 715 "transmit underflow", 716 NULL, 717 "receive underflow", 718 719 "receive process stopped", 720 "receive watchdog timeout", 721 NULL, 722 NULL, 723 724 "link failure", 725 NULL, 726 NULL, 727}; 728#endif 729 730static const struct { 731 tulip_srom_connection_t sc_type; 732 tulip_media_t sc_media; 733 u_int32_t sc_attrs; 734} tulip_srom_conninfo[] = { 735 { TULIP_SROM_CONNTYPE_10BASET, TULIP_MEDIA_10BASET }, 736 { TULIP_SROM_CONNTYPE_BNC, TULIP_MEDIA_BNC }, 737 { TULIP_SROM_CONNTYPE_AUI, TULIP_MEDIA_AUI }, 738 { TULIP_SROM_CONNTYPE_100BASETX, TULIP_MEDIA_100BASETX }, 739 { TULIP_SROM_CONNTYPE_100BASET4, TULIP_MEDIA_100BASET4 }, 740 { TULIP_SROM_CONNTYPE_100BASEFX, TULIP_MEDIA_100BASEFX }, 741 { TULIP_SROM_CONNTYPE_MII_10BASET, TULIP_MEDIA_10BASET, 742 TULIP_SROM_ATTR_MII }, 743 { TULIP_SROM_CONNTYPE_MII_100BASETX, TULIP_MEDIA_100BASETX, 744 TULIP_SROM_ATTR_MII }, 745 { TULIP_SROM_CONNTYPE_MII_100BASET4, TULIP_MEDIA_100BASET4, 746 TULIP_SROM_ATTR_MII }, 747 { TULIP_SROM_CONNTYPE_MII_100BASEFX, TULIP_MEDIA_100BASEFX, 748 TULIP_SROM_ATTR_MII }, 749 { TULIP_SROM_CONNTYPE_10BASET_NWAY, TULIP_MEDIA_10BASET, 750 TULIP_SROM_ATTR_NWAY }, 751 { TULIP_SROM_CONNTYPE_10BASET_FD, TULIP_MEDIA_10BASET_FD }, 752 { TULIP_SROM_CONNTYPE_MII_10BASET_FD, TULIP_MEDIA_10BASET_FD, 753 TULIP_SROM_ATTR_MII }, 754 { TULIP_SROM_CONNTYPE_100BASETX_FD, TULIP_MEDIA_100BASETX_FD }, 755 { TULIP_SROM_CONNTYPE_MII_100BASETX_FD, TULIP_MEDIA_100BASETX_FD, 756 TULIP_SROM_ATTR_MII }, 757 { TULIP_SROM_CONNTYPE_10BASET_NOLINKPASS, TULIP_MEDIA_10BASET, 758 TULIP_SROM_ATTR_NOLINKPASS }, 759 { TULIP_SROM_CONNTYPE_AUTOSENSE, TULIP_MEDIA_UNKNOWN, 760 TULIP_SROM_ATTR_AUTOSENSE }, 761 { TULIP_SROM_CONNTYPE_AUTOSENSE_POWERUP, TULIP_MEDIA_UNKNOWN, 762 TULIP_SROM_ATTR_AUTOSENSE|TULIP_SROM_ATTR_POWERUP }, 763 { TULIP_SROM_CONNTYPE_AUTOSENSE_NWAY, TULIP_MEDIA_UNKNOWN, 764 TULIP_SROM_ATTR_AUTOSENSE|TULIP_SROM_ATTR_NWAY }, 765 { TULIP_SROM_CONNTYPE_NOT_USED, TULIP_MEDIA_UNKNOWN } 766}; 767#define TULIP_SROM_LASTCONNIDX \ 768 (sizeof(tulip_srom_conninfo)/sizeof(tulip_srom_conninfo[0]) - 1) 769 770static const struct { 771 tulip_media_t sm_type; 772 tulip_srom_media_t sm_srom_type; 773} tulip_srom_mediums[] = { 774 { TULIP_MEDIA_100BASEFX_FD, TULIP_SROM_MEDIA_100BASEFX_FD }, 775 { TULIP_MEDIA_100BASEFX, TULIP_SROM_MEDIA_100BASEFX }, 776 { TULIP_MEDIA_100BASET4, TULIP_SROM_MEDIA_100BASET4 }, 777 { TULIP_MEDIA_100BASETX_FD, TULIP_SROM_MEDIA_100BASETX_FD }, 778 { TULIP_MEDIA_100BASETX, TULIP_SROM_MEDIA_100BASETX }, 779 { TULIP_MEDIA_10BASET_FD, TULIP_SROM_MEDIA_10BASET_FD }, 780 { TULIP_MEDIA_AUI, TULIP_SROM_MEDIA_AUI }, 781 { TULIP_MEDIA_BNC, TULIP_SROM_MEDIA_BNC }, 782 { TULIP_MEDIA_10BASET, TULIP_SROM_MEDIA_10BASET }, 783 { TULIP_MEDIA_UNKNOWN } 784}; 785 786/* 787 * This driver supports a maximum of 32 tulip boards. 788 * This should be enough for the forseeable future. 789 */ 790#define TULIP_MAX_DEVICES 32 791 792typedef void ifnet_ret_t; 793typedef u_long ioctl_cmd_t; 794extern struct cfattach de_ca; 795extern struct cfdriver de_cd; 796#define TULIP_UNIT_TO_SOFTC(unit) ((tulip_softc_t *) de_cd.cd_devs[unit]) 797#define TULIP_IFP_TO_SOFTC(ifp) ((tulip_softc_t *)((ifp)->if_softc)) 798#define tulip_unit tulip_dev.dv_unit 799#define tulip_xname tulip_dev.dv_cfdata->cf_driver->cd_name 800 801#if NBPFILTER > 0 802#define TULIP_BPF_MTAP(sc, m) bpf_mtap((sc)->tulip_if.if_bpf, m) 803#define TULIP_BPF_TAP(sc, p, l) bpf_tap((sc)->tulip_if.if_bpf, p, l) 804#define TULIP_BPF_ATTACH(sc) 805#endif 806 807#define TULIP_RAISESPL() splnet() 808#define TULIP_RAISESOFTSPL() splsoftnet() 809#define TULIP_RESTORESPL(s) splx(s) 810#define loudprintf printf 811 812#define TULIP_PRINTF_FMT "%s%d" 813#define TULIP_PRINTF_ARGS sc->tulip_xname, sc->tulip_unit 814 815#if defined(__alpha__) 816/* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */ 817#define TULIP_KVATOPHYS(sc, va) alpha_XXX_dmamap((vm_offset_t)(va)) 818#endif 819 820#define TULIP_BURSTSIZE(unit) 3 821 822#define tulip_if tulip_ac.ac_if 823#define tulip_name tulip_if.if_name 824#define tulip_enaddr tulip_ac.ac_enaddr 825#define tulip_multicnt tulip_ac.ac_multicnt 826 827#define tulip_bpf tulip_if.if_bpf 828 829#define tulip_intrfunc_t int 830 831#if !defined(TULIP_KVATOPHYS) 832#define TULIP_KVATOPHYS(sc, va) vtophys((vaddr_t)va) 833#endif 834 835#if defined(TULIP_PERFSTATS) 836#define TULIP_PERFMERGE(sc, member) \ 837 do { (sc)->tulip_perfstats[TULIP_PERF_TOTAL].member \ 838 += (sc)->tulip_perfstats[TULIP_PERF_CURRENT].member; \ 839 (sc)->tulip_perfstats[TULIP_PERF_PREVIOUS].member \ 840 = (sc)->tulip_perfstats[TULIP_PERF_CURRENT].member; \ 841 (sc)->tulip_perfstats[TULIP_PERF_CURRENT].member = 0; } while (0) 842#define TULIP_PERFSTART(name) const tulip_cycle_t perfstart_ ## name = TULIP_PERFREAD(); 843#define TULIP_PERFEND(name) do { \ 844 (sc)->tulip_curperfstats.perf_ ## name ## _cycles += TULIP_PERFDIFF(perfstart_ ## name, TULIP_PERFREAD()); \ 845 (sc)->tulip_curperfstats.perf_ ## name++; \ 846 } while (0) 847#if defined(__i386__) 848typedef u_quad_t tulip_cycle_t; 849static __inline__ tulip_cycle_t 850TULIP_PERFREAD( 851 void) 852{ 853 tulip_cycle_t x; 854 __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x)); 855 return x; 856} 857#define TULIP_PERFDIFF(s, f) ((f) - (s)) 858#elif defined(__alpha__) 859typedef unsigned long tulip_cycle_t; 860static __inline__ tulip_cycle_t 861TULIP_PERFREAD( 862 void) 863{ 864 tulip_cycle_t x; 865 __asm__ volatile ("rpcc %0" : "=r" (x)); 866 return x; 867} 868#define TULIP_PERFDIFF(s, f) ((unsigned int) ((f) - (s))) 869#endif 870#else 871#define TULIP_PERFSTART(name) 872#define TULIP_PERFEND(name) do { } while (0) 873#define TULIP_PERFMERGE(s,n) do { } while (0) 874#endif /* TULIP_PERFSTATS */ 875 876#define TULIP_EADDR_FMT "%s" 877#define TULIP_EADDR_ARGS(addr) ether_sprintf(addr) 878 879#define TULIP_CRC32_POLY 0xEDB88320UL /* CRC-32 Poly -- Little Endian */ 880#define TULIP_MAX_TXSEG 30 881 882#define TULIP_ADDREQUAL(a1, a2) \ 883 (((u_int16_t *)a1)[0] == ((u_int16_t *)a2)[0] \ 884 && ((u_int16_t *)a1)[1] == ((u_int16_t *)a2)[1] \ 885 && ((u_int16_t *)a1)[2] == ((u_int16_t *)a2)[2]) 886#define TULIP_ADDRBRDCST(a1) \ 887 (((u_int16_t *)a1)[0] == 0xFFFFU \ 888 && ((u_int16_t *)a1)[1] == 0xFFFFU \ 889 && ((u_int16_t *)a1)[2] == 0xFFFFU) 890 891typedef int tulip_spl_t; 892