Annotation of sys/dev/pci/if_lmcvar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_lmcvar.h,v 1.10 2006/03/25 22:41:45 djm Exp $ */
! 2: /* $NetBSD: if_lmcvar.h,v 1.1 1999/03/25 03:32:43 explorer Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1997-1999 LAN Media Corporation (LMC)
! 6: * All rights reserved. www.lanmedia.com
! 7: *
! 8: * This code is written by Michael Graff <graff@vix.com> for LMC.
! 9: * The code is derived from permitted modifications to software created
! 10: * by Matt Thomas (matt@3am-software.com).
! 11: *
! 12: * Redistribution and use in source and binary forms, with or without
! 13: * modification, are permitted provided that the following conditions
! 14: * are met:
! 15: * 1. Redistributions of source code must retain the above copyright
! 16: * notice, this list of conditions and the following disclaimer.
! 17: * 2. Redistributions in binary form must reproduce the above
! 18: * copyright notice, this list of conditions and the following disclaimer
! 19: * in the documentation and/or other materials provided with the
! 20: * distribution.
! 21: * 3. All marketing or advertising materials mentioning features or
! 22: * use of this software must display the following acknowledgement:
! 23: * This product includes software developed by LAN Media Corporation
! 24: * and its contributors.
! 25: * 4. Neither the name of LAN Media Corporation nor the names of its
! 26: * contributors may be used to endorse or promote products derived
! 27: * from this software without specific prior written permission.
! 28: *
! 29: * THIS SOFTWARE IS PROVIDED BY LAN MEDIA CORPORATION AND CONTRIBUTORS
! 30: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 31: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 32: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 33: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 34: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 35: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 36: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 37: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 38: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
! 39: * THE POSSIBILITY OF SUCH DAMAGE.
! 40: */
! 41:
! 42: /*-
! 43: * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
! 44: * All rights reserved.
! 45: *
! 46: * Redistribution and use in source and binary forms, with or without
! 47: * modification, are permitted provided that the following conditions
! 48: * are met:
! 49: * 1. Redistributions of source code must retain the above copyright
! 50: * notice, this list of conditions and the following disclaimer.
! 51: * 2. The name of the author may not be used to endorse or promote products
! 52: * derived from this software without specific prior written permission
! 53: *
! 54: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 55: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 56: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 57: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 58: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 59: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 60: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 61: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 62: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 63: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 64: */
! 65:
! 66: #define LMC_MTU 1500
! 67: #define PPP_HEADER_LEN 4
! 68: #define BIG_PACKET
! 69: #define LMC_DATA_PER_DESC 2032
! 70:
! 71: /*
! 72: * This turns on all sort of debugging stuff and make the
! 73: * driver much larger.
! 74: */
! 75: #if 0
! 76: #define LMC_DEBUG
! 77: typedef enum {
! 78: LMC_21040_GENERIC, /* Generic 21040 (works with most any board) */
! 79: LMC_21140_ISV, /* Digital Semicondutor 21140 ISV SROM Format */
! 80: LMC_21142_ISV, /* Digital Semicondutor 21142 ISV SROM Format */
! 81: LMC_21143_ISV, /* Digital Semicondutor 21143 ISV SROM Format */
! 82: LMC_21140_DEC_EB, /* Digital Semicondutor 21140 Evaluation Board */
! 83: LMC_21140_MII, /* 21140[A] with MII */
! 84: LMC_21140_DEC_DE500, /* Digital DE500-?? 10/100 */
! 85: LMC_21140_SMC_9332, /* SMC 9332 */
! 86: LMC_21140_COGENT_EM100, /* Cogent EM100 100 only */
! 87: LMC_21140_ZNYX_ZX34X, /* ZNYX ZX342 10/100 */
! 88: LMC_21140_ASANTE, /* AsanteFast 10/100 */
! 89: LMC_21140_EN1207, /* Accton EN2107 10/100 BNC */
! 90: LMC_21041_GENERIC /* Generic 21041 card */
! 91: } lmc_board_t;
! 92:
! 93: typedef enum {
! 94: LMC_MEDIAPOLL_TIMER, /* 100ms timer fired */
! 95: LMC_MEDIAPOLL_FASTTIMER, /* <100ms timer fired */
! 96: LMC_MEDIAPOLL_LINKFAIL, /* called from interrupt routine */
! 97: LMC_MEDIAPOLL_LINKPASS, /* called from interrupt routine */
! 98: LMC_MEDIAPOLL_START, /* start a media probe (called from reset) */
! 99: LMC_MEDIAPOLL_TXPROBE_OK, /* txprobe succeeded */
! 100: LMC_MEDIAPOLL_TXPROBE_FAILED, /* txprobe failed */
! 101: LMC_MEDIAPOLL_MAX
! 102: } lmc_mediapoll_event_t;
! 103: #define DP(x) printf x
! 104: #else
! 105: #define DP(x)
! 106: #endif
! 107:
! 108: /*
! 109: * the dec chip has its own idea of what a receive error is, but we don't
! 110: * want to use it, as it will get the crc error wrong when 16-bit
! 111: * crcs are used. So, we only care about certain conditions.
! 112: */
! 113: #ifndef TULIP_DSTS_RxMIIERR
! 114: #define TULIP_DSTS_RxMIIERR 0x00000008
! 115: #endif
! 116: #define LMC_DSTS_ERRSUM (TULIP_DSTS_RxMIIERR)
! 117:
! 118: /*
! 119: * This is the PCI configuration support.
! 120: */
! 121: #define PCI_CFID 0x00 /* Configuration ID */
! 122: #define PCI_CFCS 0x04 /* Configurtion Command/Status */
! 123: #define PCI_CFRV 0x08 /* Configuration Revision */
! 124: #define PCI_CFLT 0x0c /* Configuration Latency Timer */
! 125: #define PCI_CBIO 0x10 /* Configuration Base IO Address */
! 126: #define PCI_CBMA 0x14 /* Configuration Base Memory Address */
! 127: #define PCI_SSID 0x2c /* subsystem config register */
! 128: #define PCI_CFIT 0x3c /* Configuration Interrupt */
! 129: #define PCI_CFDA 0x40 /* Configuration Driver Area */
! 130:
! 131: #define LMC_HZ 10
! 132:
! 133: #ifndef TULIP_GP_PINSET
! 134: #define TULIP_GP_PINSET 0x00000100L
! 135: #endif
! 136: #ifndef TULIP_BUSMODE_READMULTIPLE
! 137: #define TULIP_BUSMODE_READMULTIPLE 0x00200000L
! 138: #endif
! 139:
! 140: #define LMC_CSR_READ(sc, csr) \
! 141: bus_space_read_4((sc)->lmc_bustag, (sc)->lmc_bushandle, (sc)->lmc_csrs.csr)
! 142: #define LMC_CSR_WRITE(sc, csr, val) \
! 143: bus_space_write_4((sc)->lmc_bustag, (sc)->lmc_bushandle, (sc)->lmc_csrs.csr, (val))
! 144:
! 145: #define LMC_CSR_READBYTE(sc, csr) \
! 146: bus_space_read_1((sc)->lmc_bustag, (sc)->lmc_bushandle, (sc)->lmc_csrs.csr)
! 147: #define LMC_CSR_WRITEBYTE(sc, csr, val) \
! 148: bus_space_write_1((sc)->lmc_bustag, (sc)->lmc_bushandle, (sc)->lmc_csrs.csr, (val))
! 149:
! 150: #define LMC_PCI_CSRSIZE 8
! 151: #define LMC_PCI_CSROFFSET 0
! 152:
! 153: /*
! 154: * This structure contains "pointers" for the registers on
! 155: * the various 21x4x chips.
! 156: */
! 157: typedef struct {
! 158: lmc_csrptr_t csr_busmode; /* CSR0 */
! 159: lmc_csrptr_t csr_txpoll; /* CSR1 */
! 160: lmc_csrptr_t csr_rxpoll; /* CSR2 */
! 161: lmc_csrptr_t csr_rxlist; /* CSR3 */
! 162: lmc_csrptr_t csr_txlist; /* CSR4 */
! 163: lmc_csrptr_t csr_status; /* CSR5 */
! 164: lmc_csrptr_t csr_command; /* CSR6 */
! 165: lmc_csrptr_t csr_intr; /* CSR7 */
! 166: lmc_csrptr_t csr_missed_frames; /* CSR8 */
! 167: lmc_csrptr_t csr_9; /* CSR9 */
! 168: lmc_csrptr_t csr_10; /* CSR10 */
! 169: lmc_csrptr_t csr_11; /* CSR11 */
! 170: lmc_csrptr_t csr_12; /* CSR12 */
! 171: lmc_csrptr_t csr_13; /* CSR13 */
! 172: lmc_csrptr_t csr_14; /* CSR14 */
! 173: lmc_csrptr_t csr_15; /* CSR15 */
! 174: } lmc_regfile_t;
! 175:
! 176: #define csr_enetrom csr_9 /* 21040 */
! 177: #define csr_reserved csr_10 /* 21040 */
! 178: #define csr_full_duplex csr_11 /* 21040 */
! 179: #define csr_bootrom csr_10 /* 21041/21140A/?? */
! 180: #define csr_gp csr_12 /* 21140* */
! 181: #define csr_watchdog csr_15 /* 21140* */
! 182: #define csr_gp_timer csr_11 /* 21041/21140* */
! 183: #define csr_srom_mii csr_9 /* 21041/21140* */
! 184: #define csr_sia_status csr_12 /* 2104x */
! 185: #define csr_sia_connectivity csr_13 /* 2104x */
! 186: #define csr_sia_tx_rx csr_14 /* 2104x */
! 187: #define csr_sia_general csr_15 /* 2104x */
! 188:
! 189: /*
! 190: * While 21x4x allows chaining of its descriptors, this driver
! 191: * doesn't take advantage of it. We keep the descriptors in a
! 192: * traditional FIFO ring.
! 193: */
! 194: struct lmc_ringinfo {
! 195: lmc_desc_t *ri_first; /* first entry in ring */
! 196: lmc_desc_t *ri_last; /* one after last entry */
! 197: lmc_desc_t *ri_nextin; /* next to processed by host */
! 198: lmc_desc_t *ri_nextout; /* next to processed by adapter */
! 199: int ri_max;
! 200: int ri_free;
! 201: };
! 202:
! 203: /*
! 204: * The 21040 has a stupid restriction in that the receive
! 205: * buffers must be longword aligned. But since Ethernet
! 206: * headers are not a multiple of longwords in size this forces
! 207: * the data to non-longword aligned. Since IP requires the
! 208: * data to be longword aligned, we need to copy it after it has
! 209: * been DMA'ed in our memory.
! 210: *
! 211: * Since we have to copy it anyways, we might as well as allocate
! 212: * dedicated receive space for the input. This allows to use a
! 213: * small receive buffer size and more ring entries to be able to
! 214: * better keep with a flood of tiny Ethernet packets.
! 215: *
! 216: * The receive space MUST ALWAYS be a multiple of the page size.
! 217: * And the number of receive descriptors multiplied by the size
! 218: * of the receive buffers must equal the recevive space. This
! 219: * is so that we can manipulate the page tables so that even if a
! 220: * packet wraps around the end of the receive space, we can
! 221: * treat it as virtually contiguous.
! 222: *
! 223: * The above used to be true (the stupid restriction is still true)
! 224: * but we gone to directly DMA'ing into MBUFs (unless it's on an
! 225: * architecture which can't handle unaligned accesses) because with
! 226: * 100Mb/s cards the copying is just too much of a hit.
! 227: */
! 228:
! 229: #define LMC_RXDESCS 48
! 230: #define LMC_TXDESCS 128
! 231: #define LMC_RXQ_TARGET 32
! 232: #if LMC_RXQ_TARGET >= LMC_RXDESCS
! 233: #error LMC_RXQ_TARGET must be less than LMC_RXDESCS
! 234: #endif
! 235:
! 236: #define LMC_RX_BUFLEN ((MCLBYTES < 2048 ? MCLBYTES : 2048) - 16)
! 237:
! 238: #define LMC_LINK_UP 1
! 239: #define LMC_LINK_DOWN 0
! 240:
! 241: typedef enum {
! 242: LMC_21140, LMC_21140A,
! 243: LMC_CHIPID_UNKNOWN
! 244: } lmc_chipid_t;
! 245:
! 246: #define LMC_BIT(b) (1L << ((int)(b)))
! 247:
! 248: typedef struct {
! 249: /*
! 250: * Transmit Statistics
! 251: */
! 252: u_int32_t dot3StatsSingleCollisionFrames;
! 253: u_int32_t dot3StatsMultipleCollisionFrames;
! 254: u_int32_t dot3StatsSQETestErrors;
! 255: u_int32_t dot3StatsDeferredTransmissions;
! 256: u_int32_t dot3StatsLateCollisions;
! 257: u_int32_t dot3StatsExcessiveCollisions;
! 258: u_int32_t dot3StatsCarrierSenseErrors;
! 259: u_int32_t dot3StatsInternalMacTransmitErrors;
! 260: u_int32_t dot3StatsInternalTransmitUnderflows; /* not in rfc1650! */
! 261: u_int32_t dot3StatsInternalTransmitBabbles; /* not in rfc1650! */
! 262: /*
! 263: * Receive Statistics
! 264: */
! 265: u_int32_t dot3StatsMissedFrames; /* not in rfc1650! */
! 266: u_int32_t dot3StatsAlignmentErrors;
! 267: u_int32_t dot3StatsFCSErrors;
! 268: u_int32_t dot3StatsFrameTooLongs;
! 269: u_int32_t dot3StatsInternalMacReceiveErrors;
! 270: } lmc_dot3_stats_t;
! 271:
! 272: /*
! 273: * Now to important stuff. This is softc structure (where does softc
! 274: * come from??? No idea) for the tulip device.
! 275: *
! 276: */
! 277: struct lmc___softc {
! 278: struct device lmc_dev; /* base device */
! 279: void *lmc_ih; /* intrrupt vectoring */
! 280: void *lmc_ats; /* shutdown hook */
! 281: bus_space_tag_t lmc_bustag;
! 282: bus_space_handle_t lmc_bushandle; /* CSR region handle */
! 283: pci_chipset_tag_t lmc_pc;
! 284:
! 285: struct sppp lmc_sppp;
! 286: #define lmc_if lmc_sppp.pp_if
! 287:
! 288: u_int8_t lmc_enaddr[6]; /* yes, a small hack... */
! 289: lmc_regfile_t lmc_csrs;
! 290: volatile u_int32_t lmc_txtick;
! 291: volatile u_int32_t lmc_rxtick;
! 292: u_int32_t lmc_flags;
! 293:
! 294: u_int32_t lmc_features; /* static bits indicating features of chip */
! 295: u_int32_t lmc_intrmask; /* our copy of csr_intr */
! 296: u_int32_t lmc_cmdmode; /* our copy of csr_cmdmode */
! 297: u_int32_t lmc_last_system_error : 3; /* last system error (only value is LMC_SYSTEMERROR is also set) */
! 298: u_int32_t lmc_system_errors; /* number of system errors encountered */
! 299: u_int32_t lmc_statusbits; /* status bits from CSR5 that may need to be printed */
! 300:
! 301: u_int8_t lmc_revinfo; /* revision of chip */
! 302: u_int8_t lmc_cardtype; /* LMC_CARDTYPE_HSSI or ..._DS3 */
! 303: u_int32_t lmc_gpio_io; /* state of in/out settings */
! 304: u_int32_t lmc_gpio; /* state of outputs */
! 305: u_int8_t lmc_gp;
! 306:
! 307: lmc_chipid_t lmc_chipid; /* type of chip we are using */
! 308: u_int32_t lmc_miireg16;
! 309: struct ifqueue lmc_txq;
! 310: struct ifqueue lmc_rxq;
! 311: lmc_dot3_stats_t lmc_dot3stats;
! 312: lmc_ringinfo_t lmc_rxinfo;
! 313: lmc_ringinfo_t lmc_txinfo;
! 314: u_int8_t lmc_rombuf[128];
! 315: lmc_media_t *lmc_media;
! 316: lmc_ctl_t ictl;
! 317:
! 318: bus_dma_tag_t lmc_dmatag; /* bus DMA tag */
! 319: bus_dmamap_t lmc_setupmap;
! 320: bus_dmamap_t lmc_txdescmap;
! 321: bus_dmamap_t lmc_txmaps[LMC_TXDESCS];
! 322: unsigned lmc_txmaps_free;
! 323: bus_dmamap_t lmc_rxdescmap;
! 324: bus_dmamap_t lmc_rxmaps[LMC_RXDESCS];
! 325: unsigned lmc_rxmaps_free;
! 326:
! 327: struct device *lmc_pci_busno; /* needed for multiport boards */
! 328: u_int8_t lmc_pci_devno; /* needed for multiport boards */
! 329: lmc_desc_t *lmc_rxdescs;
! 330: lmc_desc_t *lmc_txdescs;
! 331:
! 332: u_int32_t lmc_crcSize;
! 333: u_int32_t tx_clockState;
! 334: char lmc_yel, lmc_blue, lmc_red; /* for T1 and DS3 */
! 335: char lmc_timing; /* for HSSI and SSI */
! 336: u_int16_t t1_alarm1_status;
! 337: u_int16_t t1_alarm2_status;
! 338: #if defined(LMC_DEBUG)
! 339: /*
! 340: * Debugging/Statistical information
! 341: */
! 342: struct {
! 343: lmc_media_t dbg_last_media;
! 344: u_int32_t dbg_intrs;
! 345: u_int32_t dbg_media_probes;
! 346: u_int32_t dbg_txprobe_nocarr;
! 347: u_int32_t dbg_txprobe_exccoll;
! 348: u_int32_t dbg_link_downed;
! 349: u_int32_t dbg_link_suspected;
! 350: u_int32_t dbg_link_intrs;
! 351: u_int32_t dbg_link_pollintrs;
! 352: u_int32_t dbg_link_failures;
! 353: u_int32_t dbg_nway_starts;
! 354: u_int32_t dbg_nway_failures;
! 355: u_int16_t dbg_phyregs[32][4];
! 356: u_int32_t dbg_rxlowbufs;
! 357: u_int32_t dbg_rxintrs;
! 358: u_int32_t dbg_last_rxintrs;
! 359: u_int32_t dbg_high_rxintrs_hz;
! 360: u_int32_t dbg_no_txmaps;
! 361: u_int32_t dbg_txput_finishes[8];
! 362: u_int32_t dbg_txprobes_ok;
! 363: u_int32_t dbg_txprobes_failed;
! 364: u_int32_t dbg_events[LMC_MEDIAPOLL_MAX];
! 365: u_int32_t dbg_rxpktsperintr[LMC_RXDESCS];
! 366: } lmc_dbg;
! 367: #endif
! 368: };
! 369:
! 370: /*
! 371: * lmc_flags
! 372: */
! 373: #define LMC_IFUP 0x00000001
! 374: #define LMC_00000002 0x00000002
! 375: #define LMC_00000004 0x00000004
! 376: #define LMC_00000008 0x00000008
! 377: #define LMC_00000010 0x00000010
! 378: #define LMC_MODEMOK 0x00000020
! 379: #define LMC_00000040 0x00000040
! 380: #define LMC_00000080 0x00000080
! 381: #define LMC_RXACT 0x00000100
! 382: #define LMC_INRESET 0x00000200
! 383: #define LMC_NEEDRESET 0x00000400
! 384: #define LMC_00000800 0x00000800
! 385: #define LMC_00001000 0x00001000
! 386: #define LMC_00002000 0x00002000
! 387: #define LMC_WANTTXSTART 0x00004000
! 388: #define LMC_NEWTXTHRESH 0x00008000
! 389: #define LMC_NOAUTOSENSE 0x00010000
! 390: #define LMC_PRINTLINKUP 0x00020000
! 391: #define LMC_LINKUP 0x00040000
! 392: #define LMC_RXBUFSLOW 0x00080000
! 393: #define LMC_NOMESSAGES 0x00100000
! 394: #define LMC_SYSTEMERROR 0x00200000
! 395: #define LMC_TIMEOUTPENDING 0x00400000
! 396: #define LMC_00800000 0x00800000
! 397: #define LMC_01000000 0x01000000
! 398: #define LMC_02000000 0x02000000
! 399: #define LMC_RXIGNORE 0x04000000
! 400: #define LMC_08000000 0x08000000
! 401: #define LMC_10000000 0x10000000
! 402: #define LMC_20000000 0x20000000
! 403: #define LMC_40000000 0x40000000
! 404: #define LMC_80000000 0x80000000
! 405:
! 406: /*
! 407: * lmc_features
! 408: */
! 409: #define LMC_HAVE_GPR 0x00000001 /* have gp register (140[A]) */
! 410: #define LMC_HAVE_RXBADOVRFLW 0x00000002 /* RX corrupts on overflow */
! 411: #define LMC_HAVE_POWERMGMT 0x00000004 /* Snooze/sleep modes */
! 412: #define LMC_HAVE_MII 0x00000008 /* Some medium on MII */
! 413: #define LMC_HAVE_SIANWAY 0x00000010 /* SIA does NWAY */
! 414: #define LMC_HAVE_DUALSENSE 0x00000020 /* SIA senses both AUI & TP */
! 415: #define LMC_HAVE_SIAGP 0x00000040 /* SIA has a GP port */
! 416: #define LMC_HAVE_BROKEN_HASH 0x00000080 /* Broken Multicast Hash */
! 417: #define LMC_HAVE_ISVSROM 0x00000100 /* uses ISV SROM Format */
! 418: #define LMC_HAVE_BASEROM 0x00000200 /* Board ROM can be cloned */
! 419: #define LMC_HAVE_SLAVEDROM 0x00000400 /* Board ROM cloned */
! 420: #define LMC_HAVE_SLAVEDINTR 0x00000800 /* Board slaved interrupt */
! 421: #define LMC_HAVE_SHAREDINTR 0x00001000 /* Board shares interrupts */
! 422: #define LMC_HAVE_OKROM 0x00002000 /* ROM was recognized */
! 423: #define LMC_HAVE_NOMEDIA 0x00004000 /* did not detect any media */
! 424: #define LMC_HAVE_STOREFWD 0x00008000 /* have CMD_STOREFWD */
! 425: #define LMC_HAVE_SIA100 0x00010000 /* has LS100 in SIA status */
! 426:
! 427: #if 0
! 428: static const char * const lmc_status_bits[] = {
! 429: NULL,
! 430: "transmit process stopped",
! 431: NULL,
! 432: "transmit jabber timeout",
! 433:
! 434: NULL,
! 435: "transmit underflow",
! 436: NULL,
! 437: "receive underflow",
! 438:
! 439: "receive process stopped",
! 440: "receive watchdog timeout",
! 441: NULL,
! 442: NULL,
! 443:
! 444: "link failure",
! 445: NULL,
! 446: NULL,
! 447: };
! 448: #endif
! 449:
! 450: /*
! 451: * This driver supports a maximum of 32 devices.
! 452: */
! 453: #define LMC_MAX_DEVICES 32
! 454:
! 455: #define LMC_RXDESC_PRESYNC(sc, di, s) \
! 456: bus_dmamap_sync((sc)->lmc_dmatag, (sc)->lmc_rxdescmap, \
! 457: (caddr_t) di - (caddr_t) (sc)->lmc_rxdescs, \
! 458: (s), BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE)
! 459: #define LMC_RXDESC_POSTSYNC(sc, di, s) \
! 460: bus_dmamap_sync((sc)->lmc_dmatag, (sc)->lmc_rxdescmap, \
! 461: (caddr_t) di - (caddr_t) (sc)->lmc_rxdescs, \
! 462: (s), BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE)
! 463: #define LMC_RXMAP_PRESYNC(sc, map) \
! 464: bus_dmamap_sync((sc)->lmc_dmatag, (map), 0, (map)->dm_mapsize, \
! 465: BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE)
! 466: #define LMC_RXMAP_POSTSYNC(sc, map) \
! 467: bus_dmamap_sync((sc)->lmc_dmatag, (map), 0, (map)->dm_mapsize, \
! 468: BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE)
! 469: #define LMC_RXMAP_CREATE(sc, mapp) \
! 470: bus_dmamap_create((sc)->lmc_dmatag, LMC_RX_BUFLEN, 2, \
! 471: LMC_DATA_PER_DESC, 0, \
! 472: BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, (mapp))
! 473:
! 474: #define LMC_TXDESC_PRESYNC(sc, di, s) \
! 475: bus_dmamap_sync((sc)->lmc_dmatag, (sc)->lmc_txdescmap, \
! 476: (caddr_t) di - (caddr_t) (sc)->lmc_txdescs, \
! 477: (s), BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE)
! 478: #define LMC_TXDESC_POSTSYNC(sc, di, s) \
! 479: bus_dmamap_sync((sc)->lmc_dmatag, (sc)->lmc_txdescmap, \
! 480: (caddr_t) di - (caddr_t) (sc)->lmc_txdescs, \
! 481: (s), BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE)
! 482: #define LMC_TXMAP_PRESYNC(sc, map) \
! 483: bus_dmamap_sync((sc)->lmc_dmatag, (map), 0, (map)->dm_mapsize, \
! 484: BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE)
! 485: #define LMC_TXMAP_POSTSYNC(sc, map) \
! 486: bus_dmamap_sync((sc)->lmc_dmatag, (map), 0, (map)->dm_mapsize, \
! 487: BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE)
! 488: #define LMC_TXMAP_CREATE(sc, mapp) \
! 489: bus_dmamap_create((sc)->lmc_dmatag, LMC_DATA_PER_DESC, \
! 490: LMC_MAX_TXSEG, LMC_DATA_PER_DESC, \
! 491: 0, BUS_DMA_NOWAIT, (mapp))
! 492:
! 493: typedef void ifnet_ret_t;
! 494: typedef u_long ioctl_cmd_t;
! 495: extern struct cfattach lmc_ca;
! 496: extern struct cfdriver lmc_cd;
! 497: #define LMC_UNIT_TO_SOFTC(unit) ((lmc_softc_t *) lmc_cd.cd_devs[unit])
! 498: #define LMC_IFP_TO_SOFTC(ifp) ((lmc_softc_t *)((ifp)->if_softc))
! 499: #define lmc_unit lmc_dev.dv_unit
! 500: #define lmc_xname lmc_if.if_xname
! 501: #define LMC_RAISESPL() splnet()
! 502: #define LMC_RAISESOFTSPL() splsoftnet()
! 503: #define LMC_RESTORESPL(s) splx(s)
! 504: /* #define lmc_enaddr lmc_enaddr */
! 505: #define loudprintf printf
! 506: #define LMC_PRINTF_FMT "%s"
! 507: #define LMC_PRINTF_ARGS sc->lmc_xname
! 508:
! 509: #ifndef LMC_PRINTF_FMT
! 510: #define LMC_PRINTF_FMT "%s%d"
! 511: #endif
! 512: #ifndef LMC_PRINTF_ARGS
! 513: #define LMC_PRINTF_ARGS sc->lmc_name, sc->lmc_unit
! 514: #endif
! 515:
! 516: #ifndef LMC_BURSTSIZE
! 517: #define LMC_BURSTSIZE(unit) 3
! 518: #endif
! 519:
! 520: #ifndef lmc_unit
! 521: #define lmc_unit lmc_sppp.pp_if.if_unit
! 522: #endif
! 523:
! 524: #ifndef lmc_name
! 525: #define lmc_name lmc_sppp.pp_if.if_name
! 526: #endif
! 527:
! 528: #if !defined(lmc_bpf)
! 529: #define lmc_bpf lmc_sppp.pp_if.if_bpf
! 530: #endif
! 531:
! 532: #ifndef LMC_RAISESPL
! 533: #define LMC_RAISESPL() splnet()
! 534: #endif
! 535: #ifndef LMC_RAISESOFTSPL
! 536: #define LMC_RAISESOFTSPL() splnet()
! 537: #endif
! 538: #ifndef TULUP_RESTORESPL
! 539: #define LMC_RESTORESPL(s) splx(s)
! 540: #endif
! 541:
! 542: /*
! 543: * While I think FreeBSD's 2.2 change to the bpf is a nice simplification,
! 544: * it does add yet more conditional code to this driver. Sigh.
! 545: */
! 546: #if !defined(LMC_BPF_MTAP) && NBPFILTER > 0
! 547: #define LMC_BPF_MTAP(sc, m, d) bpf_mtap((sc)->lmc_bpf, m, d)
! 548: #define LMC_BPF_TAP(sc, p, l, d) bpf_tap((sc)->lmc_bpf, p, l, d)
! 549: #define LMC_BPF_ATTACH(sc) bpfattach(&(sc)->lmc_bpf, &(sc)->lmc_sppp.pp_if, DLT_PPP, PPP_HEADER_LEN)
! 550: #endif
! 551:
! 552: /*
! 553: * However, this change to FreeBSD I am much less enamored with.
! 554: */
! 555: #if !defined(LMC_EADDR_FMT)
! 556: #define LMC_EADDR_FMT "%s"
! 557: #define LMC_EADDR_ARGS(addr) ether_sprintf(addr)
! 558: #endif
! 559:
! 560: #define LMC_CRC32_POLY 0xEDB88320UL /* CRC-32 Poly -- Little Endian */
! 561: #define LMC_MAX_TXSEG 30
! 562:
! 563: #define LMC_ADDREQUAL(a1, a2) \
! 564: (((u_int16_t *)a1)[0] == ((u_int16_t *)a2)[0] \
! 565: && ((u_int16_t *)a1)[1] == ((u_int16_t *)a2)[1] \
! 566: && ((u_int16_t *)a1)[2] == ((u_int16_t *)a2)[2])
! 567: #define LMC_ADDRBRDCST(a1) \
! 568: (((u_int16_t *)a1)[0] == 0xFFFFU \
! 569: && ((u_int16_t *)a1)[1] == 0xFFFFU \
! 570: && ((u_int16_t *)a1)[2] == 0xFFFFU)
! 571:
! 572: typedef int lmc_spl_t;
! 573:
! 574: #define LMC_GETCTX(m, t) ((t) (m)->m_pkthdr.rcvif + 0)
! 575: #define LMC_SETCTX(m, c) ((void) ((m)->m_pkthdr.rcvif = (void *) (c)))
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