rom/usb/classes/davicometh/dev.c

   1 /* dev.c - dm9601eth.device by Chris Hodges
   2 */
   3
   4 #include "debug.h"
   5
   6 #include "dm9601eth.class.h"
   7
   8 AROS_UFH3(DEVBASETYPEPTR, devInit,
   9           AROS_UFHA(DEVBASETYPEPTR, base, D0),
  10           AROS_UFHA(BPTR, seglist, A0),
  11           AROS_UFHA(struct ExecBase *, SysBase, A6))
  12 {
  13     AROS_USERFUNC_INIT
  14
  15     KPRINTF(10, ("devInit base: 0x%08lx seglist: 0x%08lx SysBase: 0x%08lx\n",
  16                  base, seglist, SysBase));
  17
  18     base->np_Library.lib_Node.ln_Type = NT_DEVICE;
  19     base->np_Library.lib_Node.ln_Name = DEVNAME;
  20     base->np_Library.lib_Flags        = LIBF_SUMUSED|LIBF_CHANGED;
  21     base->np_Library.lib_Version      = VERSION_NUMBER;
  22     base->np_Library.lib_Revision     = REVISION_NUMBER;
  23     base->np_Library.lib_IdString     = VERSION_STRING;
  24
  25     /* Store segment */
  26     base->np_SegList = seglist;
  27
  28     if((base->np_UtilityBase = OpenLibrary("utility.library", 0)))
  29     {
  30         KPRINTF(10, ("devInit: Ok\n"));
  31         KPRINTF(10, ("devInit: openCnt = %ld\n", base->np_Library.lib_OpenCnt));
  32         return(base);
  33     }
  34     else
  35     {
  36         return(NULL);
  37     }
  38     return(base);
  39
  40     AROS_USERFUNC_EXIT
  41 }
  42
  43 #undef UtilityBase
  44 #define UtilityBase     base->np_UtilityBase
  45
  46 AROS_LH3(DEVBASETYPEPTR, devOpen,
  47          AROS_LHA(struct IOSana2Req *, ioreq, A1),
  48          AROS_LHA(ULONG, unit, D0),
  49          AROS_LHA(ULONG, flags, D1),
  50          DEVBASETYPEPTR, base, 1, dev)
  51 {
  52     AROS_LIBFUNC_INIT
  53
  54     struct NepClassEth *ncp;
  55     struct TagItem *taglist;
  56
  57     KPRINTF(10, ("devOpen ioreq: 0x%08lx unit: %ld flags: 0x%08lx base: 0x%08lx\n",
  58                  ioreq, unit, flags, base));
  59
  60     ++base->np_Library.lib_OpenCnt;
  61     base->np_Library.lib_Flags &= ~LIBF_DELEXP;
  62
  63     KPRINTF(10, ("devOpen: openCnt = %ld\n", base->np_Library.lib_OpenCnt));
  64     /* Damn f*cking programs which leave this field to zero! */
  65     if(ioreq->ios2_Req.io_Message.mn_Length && (ioreq->ios2_Req.io_Message.mn_Length < sizeof(struct IOSana2Req)))
  66     {
  67         KPRINTF(20, ("devOpen: invalid MN_LENGTH (%ld < %ld)!\n",
  68                 ioreq->ios2_Req.io_Message.mn_Length, sizeof(struct IOSana2Req)));
  69
  70         ioreq->ios2_Req.io_Error = IOERR_BADLENGTH;
  71     } else {
  72         /* Default to open failure. */
  73         ioreq->ios2_Req.io_Error = IOERR_OPENFAIL;
  74
  75         ioreq->ios2_Req.io_Unit = NULL;
  76         ncp = (struct NepClassEth *) base->np_ClsBase->nh_Units.lh_Head;
  77         while(ncp->ncp_Unit.unit_MsgPort.mp_Node.ln_Succ)
  78         {
  79             if(ncp->ncp_UnitNo == unit)
  80             {
  81                 if(ncp->ncp_OpenFlags & SANA2OPF_MINE)
  82                 {
  83                     ioreq->ios2_Req.io_Error = IOERR_UNITBUSY;
  84                 } else {
  85                     ioreq->ios2_Req.io_Unit = (struct Unit *) ncp;
  86                 }
  87                 break;
  88             }
  89             ncp = (struct NepClassEth *) ncp->ncp_Unit.unit_MsgPort.mp_Node.ln_Succ;
  90         }
  91
  92         if(!ioreq->ios2_Req.io_Unit)
  93         {
  94             ioreq->ios2_Req.io_Error = IOERR_OPENFAIL;
  95             KPRINTF(20, ("devOpen: could not open unit!\n"));
  96         } else {
  97             ncp->ncp_OpenFlags |= flags;
  98
  99             /* Got taglist? (don't fail if not available!) */
 100             taglist = (struct TagItem *) ioreq->ios2_BufferManagement;
 101             if(taglist)
 102             {
 103                 struct BufMan *bufman;
 104
 105                 bufman = (struct BufMan *) AllocVec(sizeof(struct BufMan), MEMF_CLEAR|MEMF_PUBLIC);
 106                 if(bufman)
 107                 {
 108                     /* Get copyfrom routines */
 109                     bufman->bm_CopyFromBuf = (APTR) GetTagData(S2_CopyFromBuff, (IPTR) NULL, taglist);
 110                     bufman->bm_CopyToBuf   = (APTR) GetTagData(S2_CopyToBuff, (IPTR) NULL, taglist);
 111
 112                     /* This is new SANA-II V2 addition */
 113                     bufman->bm_PacketFilter = (APTR) GetTagData(S2_PacketFilter, (IPTR) NULL, taglist);
 114
 115                     /* These are new SANA-II V3 addition */
 116                     bufman->bm_DMACopyFromBuf32 = (APTR) GetTagData(S2_DMACopyFromBuff32, (IPTR) NULL, taglist);
 117                     bufman->bm_DMACopyToBuf32   = (APTR) GetTagData(S2_DMACopyToBuff32, (IPTR) NULL, taglist);
 118
 119                     /* Init the list for CMD_READ requests */
 120                     NewList((struct List *) &bufman->bm_RXQueue);
 121
 122                     /* Add the new bufman to global bufmanlist */
 123                     KPRINTF(5, ("Open_Unit: added bufman at 0x%08lx\n", bufman));
 124                     Forbid();
 125                     AddHead((struct List *) &ncp->ncp_BufManList, (struct Node *) bufman);
 126                     Permit();
 127
 128                     ioreq->ios2_BufferManagement = bufman;
 129                 }
 130                 KPRINTF(5, ("Open_Unit:\n"
 131                             "copyfrombuf: 0x%08lx copytobuf: 0x%08lx packetfilter: 0x%08lx\n"
 132                             "dmacopyfrombuf32: 0x%08lx dmacopytobuf32: 0x%08lx\n",
 133                             bufman->bm_CopyFromBuf, bufman->bm_CopyToBuf, bufman->bm_PacketFilter,
 134                             bufman->bm_DMACopyFromBuf32, bufman->bm_DMACopyToBuf32));
 135             }
 136             /* Opended ok! */
 137             ioreq->ios2_Req.io_Message.mn_Node.ln_Type = NT_REPLYMSG;
 138             ioreq->ios2_Req.io_Error                   = 0;
 139             ioreq->ios2_Req.io_Unit->unit_OpenCnt++;
 140
 141             /* Allow queuing */
 142             //ncp->ncp_DenyRequests = FALSE;
 143
 144             return base;
 145         }
 146     }
 147
 148     ioreq->ios2_Req.io_Unit   = (APTR) -1;
 149     ioreq->ios2_Req.io_Device = (APTR) -1;
 150     base->np_Library.lib_OpenCnt--;
 151
 152     return(NULL);
 153
 154     AROS_LIBFUNC_EXIT
 155 }
 156
 157
 158 AROS_LH1(BPTR, devClose,
 159          AROS_LHA(struct IOSana2Req *, ioreq, A1),
 160          DEVBASETYPEPTR, base, 2, dev)
 161 {
 162     AROS_LIBFUNC_INIT
 163
 164     BPTR ret;
 165     struct NepClassEth *ncp = (struct NepClassEth *) ioreq->ios2_Req.io_Unit;
 166     struct BufMan *bufman;
 167
 168     KPRINTF(10, ("devClose ioreq: 0x%08lx base: 0x%08lx\n", ioreq, base));
 169
 170     ret = BNULL;
 171     /* Allow queuing */
 172     //ncp->ncp_DenyRequests = TRUE;
 173
 174     ncp->ncp_Unit.unit_OpenCnt--;
 175     if(ncp->ncp_Unit.unit_OpenCnt == 1)
 176     {
 177         ncp->ncp_OpenFlags = 0; // clear all flags, if all units are closed
 178     }
 179
 180     ioreq->ios2_Req.io_Unit   = (APTR) -1;
 181     ioreq->ios2_Req.io_Device = (APTR) -1;
 182
 183     bufman = ioreq->ios2_BufferManagement;
 184     if(bufman)
 185     {
 186         KPRINTF(5, ("Close_Unit: remove bufman at 0x%08lx\n", bufman));
 187         ioreq->ios2_BufferManagement = NULL;
 188
 189         Forbid();
 190         Remove((struct Node *) bufman);
 191         Permit();
 192         FreeVec(bufman);
 193     }
 194
 195     if(--base->np_Library.lib_OpenCnt == 0)
 196     {
 197         if(base->np_Library.lib_Flags & LIBF_DELEXP)
 198         {
 199             KPRINTF(5, ("devClose: calling expunge...\n"));
 200             ret = AROS_LC1(BPTR, devExpunge,
 201                            AROS_LCA(DEVBASETYPEPTR, base, D0),
 202                            DEVBASETYPEPTR, base, 3, dev);
 203         }
 204     }
 205
 206     KPRINTF(5, ("devClose: lib_OpenCnt = %ld\n", base->np_Library.lib_OpenCnt));
 207
 208     return(ret);
 209
 210     AROS_LIBFUNC_EXIT
 211 }
 212
 213
 214 AROS_LH1(BPTR, devExpunge,
 215          AROS_LHA(DEVBASETYPEPTR, extralh, D0),
 216          DEVBASETYPEPTR, base, 3, dev)
 217 {
 218     AROS_LIBFUNC_INIT
 219
 220     BPTR ret;
 221
 222     KPRINTF(10, ("devExpunge base: 0x%08lx\n", base));
 223
 224     ret = BNULL;
 225
 226     if(base->np_Library.lib_OpenCnt == 0)
 227     {
 228         KPRINTF(5, ("devExpunge: Unloading...\n"));
 229
 230         CloseLibrary(base->np_UtilityBase);
 231
 232         ret = base->np_SegList;
 233
 234         KPRINTF(5, ("devExpunge: removing device node 0x%08lx\n",
 235                     &base->np_Library.lib_Node));
 236         Remove(&base->np_Library.lib_Node);
 237
 238         KPRINTF(5, ("devExpunge: FreeMem()...\n"));
 239         FreeMem((char *) base - base->np_Library.lib_NegSize,
 240                 (ULONG) (base->np_Library.lib_NegSize + base->np_Library.lib_PosSize));
 241
 242         KPRINTF(5, ("devExpunge: Unloading done! " DEVNAME " expunged!\n\n"));
 243
 244         return(ret);
 245     }
 246     else
 247     {
 248         KPRINTF(5, ("devExpunge: Could not expunge, LIBF_DELEXP set!\n"));
 249         base->np_Library.lib_Flags |= LIBF_DELEXP;
 250     }
 251
 252     return(BNULL);
 253
 254     AROS_LIBFUNC_EXIT
 255 }
 256
 257 AROS_LH0(DEVBASETYPEPTR, devReserved,
 258          DEVBASETYPEPTR, base, 4, dev)
 259 {
 260     AROS_LIBFUNC_INIT
 261     return NULL;
 262     AROS_LIBFUNC_EXIT
 263 }
 264
 265
 266 /*
 267  *======================================================================
 268  * cmdRead(ioreq, base)
 269  *======================================================================
 270  *
 271  * This is the device CMD_READ routine.
 272  *
 273  * First it check if nic is in proper state and if user passed arguments
 274  * are valid. If everything is ok, the request is linked to queue of
 275  * pending read requests.
 276  *
 277  * The request is replied only when packet matching it's ios2_PacketType
 278  * arrive, or if user abort the request with AbortIO().
 279  *
 280  */
 281
 282 WORD cmdRead(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 283 {
 284     struct BufMan *bufman;
 285     KPRINTF(1, ("CMD_READ ioreq: 0x%08lx type: %lu\n", ioreq, ioreq->ios2_PacketType));
 286
 287     /* Configured? */
 288     if(!(ncp->ncp_StateFlags & DDF_CONFIGURED))
 289     {
 290         return deverror(S2ERR_BAD_STATE, S2WERR_NOT_CONFIGURED);
 291     }
 292
 293     /* Online? */
 294     if(!(ncp->ncp_StateFlags & DDF_ONLINE))
 295     {
 296         return deverror(S2ERR_OUTOFSERVICE, S2WERR_UNIT_OFFLINE);
 297     }
 298
 299     /* Valid bufman? Got copytobuf routine? */
 300     bufman = ioreq->ios2_BufferManagement;
 301     if((!bufman) || (!bufman->bm_CopyToBuf))
 302     {
 303         return deverror(S2ERR_BAD_ARGUMENT, S2WERR_NULL_POINTER);
 304     }
 305
 306     /* Must be queued */
 307     ioreq->ios2_Req.io_Flags &= ~IOF_QUICK;
 308
 309     /* Add to this ioreq's bufman rxqueue */
 310     Forbid();
 311     AddTail((struct List *) &bufman->bm_RXQueue, (struct Node *) ioreq);
 312     Permit();
 313     /* Don't reply the ioreq, it's pending
 314     */
 315     return RC_DONTREPLY;
 316 }
 317
 318
 319 /*
 320  *======================================================================
 321  * cmdWrite(ioreq, base)
 322  *======================================================================
 323  *
 324  * This is the device CMD_WRITE routine.
 325  *
 326  * First it check if nic is in proper state and if user passed arguments
 327  * are valid. If everything is ok, the request is linked to queue of
 328  * pending write requests.
 329  *
 330  * The request is replied as soon as the write has been processed or if
 331  * user abort the request with AbortIO().
 332  *
 333  */
 334
 335 WORD cmdWrite(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 336 {
 337     struct BufMan *bufman;
 338     int size;
 339
 340     KPRINTF(1, ("CMD_WRITE ioreq: 0x%08lx type: %lu len: %lu\n",
 341                 ioreq, ioreq->ios2_PacketType, ioreq->ios2_DataLength));
 342
 343     /* Configured? */
 344     if(!(ncp->ncp_StateFlags & DDF_CONFIGURED))
 345     {
 346         return deverror(S2ERR_BAD_STATE, S2WERR_NOT_CONFIGURED);
 347     }
 348
 349     /* Online? */
 350     if(!(ncp->ncp_StateFlags & DDF_ONLINE))
 351     {
 352         return deverror(S2ERR_OUTOFSERVICE, S2WERR_UNIT_OFFLINE);
 353     }
 354
 355     /* Valid bufman? got copyfrombuf routine? */
 356     bufman = ioreq->ios2_BufferManagement;
 357     if((!bufman) || (!bufman->bm_CopyFromBuf))
 358     {
 359         return deverror(S2ERR_BAD_ARGUMENT, S2WERR_NULL_POINTER);
 360     }
 361
 362     /* Check packet size */
 363     size = (ioreq->ios2_Req.io_Flags & SANA2IOF_RAW) ? RAWPKT_SIZE : ETHERPKT_SIZE;
 364     if(ioreq->ios2_DataLength > size)
 365     {
 366         /* Trigger any tx or generic error events */
 367         nDoEvent(ncp, S2EVENT_ERROR|S2EVENT_TX);
 368         return deverror(S2ERR_MTU_EXCEEDED, S2WERR_GENERIC_ERROR);
 369     }
 370
 371     /* Must be queued */
 372     ioreq->ios2_Req.io_Flags &= ~IOF_QUICK;
 373     Forbid();
 374     AddTail(&ncp->ncp_WriteQueue, &ioreq->ios2_Req.io_Message.mn_Node);
 375     if(ncp->ncp_Unit.unit_MsgPort.mp_SigTask)
 376     {
 377         Signal(ncp->ncp_Unit.unit_MsgPort.mp_SigTask, 1L<<(ncp->ncp_Unit.unit_MsgPort.mp_SigBit));
 378     }
 379     Permit();
 380     /* Don't reply the ioreq, it's pending */
 381     return RC_DONTREPLY;
 382 }
 383
 384
 385 /*
 386  *======================================================================
 387  * cmdFlush(ioreq, base)
 388  *======================================================================
 389  *
 390  * This is the device CMD_FLUSH routine.
 391  *
 392  * This routine abort all pending read, write and event requests.
 393  *
 394  */
 395
 396 WORD cmdFlush(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 397 {
 398     struct BufMan *bufman;
 399
 400     KPRINTF(1, ("CMD_FLUSH ioreq: 0x%08lx\n", ioreq));
 401
 402     bufman = ioreq->ios2_BufferManagement;
 403     if(bufman)
 404     {
 405       Forbid();
 406       AbortRW(ncp, bufman, deverror(IOERR_ABORTED, S2WERR_GENERIC_ERROR));
 407       AbortList(ncp, &ncp->ncp_EventList, bufman, deverror(IOERR_ABORTED, S2WERR_GENERIC_ERROR));
 408       Permit();
 409     }
 410
 411     /* Return success */
 412     return RC_OK;
 413 }
 414
 415
 416 /*
 417  *======================================================================
 418  * cmdDeviceQuery(ioreq, base)
 419  *======================================================================
 420  *
 421  * This is the device S2_DEVICEQUERY routine.
 422  *
 423  * This routine return various parameters for this network interface.
 424  *
 425  */
 426
 427 static
 428 const struct Sana2DeviceQuery DeviceQueryBlock[] =
 429 {
 430     {
 431         sizeof(struct Sana2DeviceQuery), sizeof(struct Sana2DeviceQuery),
 432         0, 0,
 433         ETHER_ADDR_SIZE * 8,
 434         ETHERPKT_SIZE,
 435         10000000,
 436         S2WireType_Ethernet
 437     }
 438 };
 439
 440
 441 WORD cmdDeviceQuery(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 442 {
 443     struct Sana2DeviceQuery *query;
 444
 445     KPRINTF(1, ("S2_DEVICEQUERY ioreq: 0x%08lx\n", ioreq));
 446
 447     /* NULL ptr? */
 448     query = (struct Sana2DeviceQuery *) ioreq->ios2_StatData;
 449     if(!query)
 450     {
 451         return deverror(S2ERR_BAD_ARGUMENT, S2WERR_NULL_POINTER);
 452     }
 453
 454     /* Enough space to store the info ? */
 455     if(query->SizeAvailable < sizeof(struct Sana2DeviceQuery))
 456     {
 457         KPRINTF(1, ("S2_DEVICEQUERY: too small buffer supplied! (%lu / %lu)\n",
 458                     query->SizeAvailable, sizeof(struct Sana2DeviceQuery)));
 459
 460         query->SizeSupplied = 0;
 461         return deverror(S2ERR_BAD_ARGUMENT, S2WERR_BAD_STATDATA);
 462     }
 463
 464     CopyMem(&((struct Sana2DeviceQuery *) DeviceQueryBlock)->SizeSupplied, &query->SizeSupplied, sizeof(struct Sana2DeviceQuery) - sizeof(ULONG));
 465
 466     /* Return success */
 467     return RC_OK;
 468 }
 469
 470 /*
 471  *======================================================================
 472  * cmdGetStationAddress(ioreq, base)
 473  *======================================================================
 474  *
 475  * This is the device S2_GETSTATIONADDRESS routine.
 476  *
 477  * This routine return current and default interface hardware addresses.
 478  *
 479  */
 480
 481 WORD cmdGetStationAddress(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 482 {
 483     UWORD cnt;
 484
 485     KPRINTF(1, ("S2_GETSTATIONADDRESS ioreq: 0x%08lx\n", ioreq));
 486
 487     /* Source address = current station address
 488        Dest address = default station address
 489     */
 490     for(cnt = 0; cnt < ETHER_ADDR_SIZE; cnt++)
 491     {
 492         ioreq->ios2_SrcAddr[cnt] = ncp->ncp_MacAddress[cnt];
 493         ioreq->ios2_DstAddr[cnt] = ncp->ncp_ROMAddress[cnt];
 494     }
 495
 496     /* Clear the rest */
 497     for(; cnt < SANA2_MAX_ADDR_BYTES; cnt++)
 498     {
 499       ioreq->ios2_SrcAddr[cnt] = 0;
 500       ioreq->ios2_DstAddr[cnt] = 0;
 501     }
 502
 503     /* Return success */
 504     return(RC_OK);
 505 }
 506
 507 WORD cmdConfigInterface(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 508 {
 509     UWORD cnt;
 510
 511     KPRINTF(1, ("S2_CONFIGINTERFACE ioreq: 0x%08lx\n", ioreq));
 512
 513     /* This stuff must be atomic */
 514     Forbid();
 515     if(ncp->ncp_StateFlags & DDF_CONFIGURED)
 516     {
 517         Permit();
 518         /* Error, already configured */
 519         return deverror(S2ERR_BAD_STATE, S2WERR_IS_CONFIGURED);
 520     }
 521
 522     /* Check for valid address */
 523     if(ioreq->ios2_SrcAddr[0] & 0x80)
 524     {
 525         Permit();
 526         return deverror(S2ERR_BAD_ADDRESS, S2WERR_SRC_ADDRESS);
 527     }
 528
 529     /* Copy the address */
 530     for(cnt = 0; cnt < ETHER_ADDR_SIZE; cnt++)
 531     {
 532         ncp->ncp_MacAddress[cnt] = ioreq->ios2_SrcAddr[cnt];
 533     }
 534
 535     /* Must be queued */
 536     ioreq->ios2_Req.io_Flags &= ~IOF_QUICK;
 537     PutMsg(&ncp->ncp_Unit.unit_MsgPort, (struct Message *) ioreq);
 538     Permit();
 539     /* Don't reply the ioreq, it's pending */
 540     return RC_DONTREPLY;
 541
 542 }
 543
 544 WORD cmdAddMulticastAddress(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 545
 546 {
 547     KPRINTF(1, ("S2_ADDMULTICASTADDRESS 0x%08lx%04lx\n",
 548                 ((ULONG *) ioreq->ios2_SrcAddr)[0], ((UWORD *) ioreq->ios2_SrcAddr)[2]));
 549
 550     return AddMCastRange(ncp, ioreq, ioreq->ios2_SrcAddr, ioreq->ios2_SrcAddr);
 551 }
 552
 553 WORD cmdDelMulticastAddress(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 554 {
 555     KPRINTF(1, ("S2_DELMULTICASTADDRESS 0x%08lx%04lx\n",
 556                 ((ULONG *) ioreq->ios2_SrcAddr)[0], ((UWORD *) ioreq->ios2_SrcAddr)[2]));
 557
 558     return DelMCastRange(ncp, ioreq, ioreq->ios2_SrcAddr, ioreq->ios2_SrcAddr);
 559 }
 560
 561 WORD cmdAddMulticastAddresses(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 562 {
 563     KPRINTF(1, ("S2_ADDMULTICASTADDRESSES 0x%08lx%04lx - 0x%08lx%04lx\n",
 564                 ((ULONG *) ioreq->ios2_SrcAddr)[0], ((UWORD *) ioreq->ios2_SrcAddr)[2],
 565                 ((ULONG *) ioreq->ios2_DstAddr)[0], ((UWORD *) ioreq->ios2_DstAddr)[2]));
 566
 567     return AddMCastRange(ncp, ioreq, ioreq->ios2_SrcAddr, ioreq->ios2_DstAddr);
 568 }
 569
 570 WORD cmdDelMulticastAddresses(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 571 {
 572     KPRINTF(1, ("S2_DELMULTICASTADDRESSES 0x%08lx%04lx - 0x%08lx%04lx\n",
 573                 ((ULONG *) ioreq->ios2_SrcAddr)[0], ((UWORD *) ioreq->ios2_SrcAddr)[2],
 574                 ((ULONG *) ioreq->ios2_DstAddr)[0], ((UWORD *) ioreq->ios2_DstAddr)[2]));
 575
 576     return DelMCastRange(ncp, ioreq, ioreq->ios2_SrcAddr, ioreq->ios2_DstAddr);
 577 }
 578
 579 #define mcmp(a,b) (memcmp(a,b,ETHER_ADDR_SIZE)==0)
 580
 581 WORD AddMCastRange(struct NepClassEth *ncp, struct IOSana2Req *ioreq, UBYTE *lower, UBYTE *upper)
 582 {
 583     struct MulticastAddressRange *mar;
 584     WORD cnt;
 585
 586     /* Valid multicast addresses? */
 587     if(((lower[0] & 1) == 0) || ((upper[0] & 1) == 0))
 588     {
 589         return deverror(S2ERR_BAD_ADDRESS, S2WERR_BAD_MULTICAST);
 590     }
 591
 592     /* Lock access to list */
 593     Forbid();
 594
 595     /* Find matching node */
 596     mar = (struct MulticastAddressRange *) ncp->ncp_Multicasts.lh_Head;
 597     while(mar->mar_Node.ln_Succ)
 598     {
 599         if(mcmp(lower, mar->mar_LowerAddr) &&
 600            mcmp(upper, mar->mar_UpperAddr))
 601         {
 602             break;
 603         }
 604         mar = (struct MulticastAddressRange *) mar->mar_Node.ln_Succ;
 605     }
 606
 607     if(!mar->mar_Node.ln_Succ)
 608     {
 609         /* Add new node */
 610         mar = AllocVec(sizeof(struct MulticastAddressRange), MEMF_CLEAR|MEMF_PUBLIC);
 611         if(!mar)
 612         {
 613             Permit();
 614             return deverror(S2ERR_NO_RESOURCES, S2WERR_GENERIC_ERROR);
 615         }
 616         for(cnt = 0; cnt < ETHER_ADDR_SIZE; cnt++)
 617         {
 618             mar->mar_LowerAddr[cnt] = *lower++;
 619             mar->mar_UpperAddr[cnt] = *upper++;
 620         }
 621         mar->mar_UseCount = 1;
 622         AddTail(&ncp->ncp_Multicasts, (struct Node *) mar);
 623
 624         Permit();
 625
 626         UpdateMulticastHash(ncp);
 627
 628         /* Must be queued */
 629         ioreq->ios2_Req.io_Flags &= ~IOF_QUICK;
 630         PutMsg(&ncp->ncp_Unit.unit_MsgPort, (struct Message *) ioreq);
 631
 632         /* Don't reply the ioreq, it's pending */
 633         return RC_DONTREPLY;
 634     }
 635     mar->mar_UseCount++;
 636     Permit();
 637
 638     /* Return success */
 639     return RC_OK;
 640 }
 641
 642 WORD DelMCastRange(struct NepClassEth *ncp, struct IOSana2Req *ioreq, UBYTE *lower, UBYTE *upper)
 643 {
 644     struct MulticastAddressRange *mar;
 645
 646     /* Lock access to list */
 647     Forbid();
 648
 649     /* Find matching node */
 650     mar = (struct MulticastAddressRange *) ncp->ncp_Multicasts.lh_Head;
 651     while(mar->mar_Node.ln_Succ)
 652     {
 653         if(mcmp(lower, mar->mar_LowerAddr) &&
 654            mcmp(upper, mar->mar_UpperAddr))
 655         {
 656             if(!--mar->mar_UseCount)
 657             {
 658                 Remove((struct Node *) mar);
 659                 Permit();
 660                 FreeVec(mar);
 661
 662                 UpdateMulticastHash(ncp);
 663                 /* Must be queued */
 664                 ioreq->ios2_Req.io_Flags &= ~IOF_QUICK;
 665                 PutMsg(&ncp->ncp_Unit.unit_MsgPort, (struct Message *) ioreq);
 666
 667                 /* Don't reply the ioreq, it's pending */
 668                 return RC_DONTREPLY;
 669             }
 670             Permit();
 671             return RC_OK;
 672         }
 673         mar = (struct MulticastAddressRange *) mar->mar_Node.ln_Succ;
 674     }
 675     Permit();
 676
 677     /* Return with failure */
 678     return deverror(S2ERR_BAD_STATE, S2WERR_BAD_MULTICAST);
 679 }
 680
 681 /*
 682  *===========================================================================
 683  * Calculate 32 bit crc
 684  *===========================================================================
 685  *
 686  * - for each bit: if (crcbit=1 XOR databit=1) then crc=(crc XOR polynomial).
 687  * - polynomial is correct when data bits range 0-x, crc bits range 31-0.
 688  * - crc wraps at 32 bits.
 689  *
 690  *  crc = calc_crc(addr)
 691  */
 692 #define CRC_SEED  -1
 693 #define CRC_MASK  0x04c11db7U
 694
 695 ULONG ether_crc(LONG length, UBYTE *data)
 696 {
 697     register LONG crc;
 698
 699     crc = CRC_SEED;
 700
 701     while(--length >= 0)
 702     {
 703         register UBYTE c;
 704         register UBYTE bit;
 705
 706         c = *data++;
 707
 708         for(bit = 0; bit < 8; bit++, c >>= 1)
 709         {
 710             crc = (crc << 1) ^ (((crc < 0) ^ (c & 1)) ? CRC_MASK : 0);
 711         }
 712     }
 713
 714     return (ULONG) crc;
 715 }
 716
 717 /*
 718  *================================================================
 719  * Update Multicasts
 720  *================================================================
 721  *
 722  *  calculate multicast hash table and send it to nic
 723  *
 724  *
 725  *  as of 1.2beta4 multicasts can be a address range, also single
 726  *  addresses are defined with lower = upper.
 727  *
 728  *  multicasts list must be locked!
 729  *
 730  *==============================================================
 731  * hash multicast address
 732  *==============================================================
 733  * The nic does not compare multicast addresses directly, but
 734  * instead uses a bitfield of 64 bits - each bit corresponds
 735  * to a 6 bit hash code for the multicast address. If the bit
 736  * is set then any multicast address that matches the hash code
 737  * will be accepted.
 738  *
 739  * The hash code is generated by taking the upper 6 bits of the
 740  * 32 bit crc of the multicast address.
 741  *
 742  */
 743 void UpdateMulticastHash(struct NepClassEth *ncp)
 744 {
 745     struct MulticastAddressRange *mar;
 746     UBYTE addr[ETHER_ADDR_SIZE];
 747
 748     KPRINTF(1, ("nic_update_multicasts\n"));
 749
 750     /* Is promiscuous mode? */
 751     if(ncp->ncp_OpenFlags & SANA2OPF_PROM)
 752     {
 753         /* "Promiscuous Physical." ... "In addition, the multicast hashing
 754             array must be set to all 1's so that all multicast addresses are
 755             accepted." */
 756         memset(ncp->ncp_MulticastArray, 0xff, sizeof(ncp->ncp_MulticastArray));
 757     } else {
 758         /* Clear all multicast bits */
 759         memset(ncp->ncp_MulticastArray, 0x00, sizeof(ncp->ncp_MulticastArray));
 760         mar = (struct MulticastAddressRange *) ncp->ncp_Multicasts.lh_Head;
 761         while(mar->mar_Node.ln_Succ)
 762         {
 763             memcpy(addr, mar->mar_LowerAddr, ETHER_ADDR_SIZE);
 764             do
 765             {
 766                 UBYTE hash;
 767                 hash = ether_crc(ETHER_ADDR_SIZE, addr) >> 26;
 768                 ncp->ncp_MulticastArray[hash>>3] |= 1<<(hash & 7);
 769                 if(mcmp(addr, mar->mar_UpperAddr))
 770                 {
 771                     break;
 772                 }
 773                 if(!++addr[5])
 774                     if (!++addr[4])
 775                         if (!++addr[3])
 776                             if (!++addr[2])
 777                                 if (!++addr[1])
 778                                     ++addr[0];
 779             } while(TRUE);
 780             mar = (struct MulticastAddressRange *) mar->mar_Node.ln_Succ;
 781         }
 782     }
 783 }
 784
 785 WORD cmdMulticast(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 786 {
 787     KPRINTF(1, ("S2_MULTICAST ioreq: 0x%08lx to: 0x%08lx%04lx\n",
 788                 ioreq,
 789                 ((ULONG *) ioreq->ios2_DstAddr)[0], ((UWORD *) ioreq->ios2_DstAddr)[2]));
 790
 791     /* Is dest a multicast address? */
 792     if(ioreq->ios2_DstAddr[0] & 1)
 793     {
 794         return cmdWrite(ncp, ioreq);
 795     }
 796
 797     /* Trigger any tx or generic error events */
 798     nDoEvent(ncp, S2EVENT_ERROR|S2EVENT_TX);
 799
 800     /* Wasn't a multicast addr */
 801     return deverror(S2ERR_BAD_ADDRESS, S2WERR_BAD_MULTICAST);
 802 }
 803
 804 WORD cmdBroadcast(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 805 {
 806     UWORD cnt;
 807     KPRINTF(1, ("S2_BROADCAST ioreq: 0x%08lx\n", ioreq));
 808
 809     /* Dest address = broadcast */
 810     for(cnt = 0; cnt < ETHER_ADDR_SIZE; cnt++)
 811     {
 812         ioreq->ios2_DstAddr[cnt] = 0xff;
 813     }
 814     return cmdWrite(ncp, ioreq);
 815 }
 816
 817
 818 WORD cmdTrackType(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 819 {
 820     struct PacketTypeStats *pts;
 821
 822     KPRINTF(1, ("S2_TRACKTYPE ioreq: 0x%08lx type: %lu\n",
 823                 ioreq, ioreq->ios2_PacketType));
 824
 825     Forbid();
 826     /* Find matching node */
 827     pts = (struct PacketTypeStats *) ncp->ncp_TrackList.lh_Head;
 828     while(pts->pts_Node.ln_Succ)
 829     {
 830         /* Our packet type? */
 831         if(pts->pts_PacketType == ioreq->ios2_PacketType)
 832         {
 833             Permit();
 834             return deverror(S2ERR_BAD_STATE, S2WERR_ALREADY_TRACKED);
 835         }
 836         pts = (struct PacketTypeStats *) pts->pts_Node.ln_Succ;
 837     }
 838
 839     /* Alloc tracking node */
 840     pts = (struct PacketTypeStats *) AllocVec(sizeof(struct PacketTypeStats), MEMF_CLEAR|MEMF_PUBLIC);
 841     if(!pts)
 842     {
 843         return deverror(S2ERR_NO_RESOURCES, S2WERR_NOT_TRACKED);
 844     }
 845     /* Set up tracking node */
 846     pts->pts_PacketType = ioreq->ios2_PacketType;
 847
 848     /* Add the new node to tracklist */
 849     AddTail((struct List *) &ncp->ncp_TrackList, (struct Node *) pts);
 850     // caching
 851     if(pts->pts_PacketType == 2048)
 852     {
 853         ncp->ncp_TypeStats2048 = &pts->pts_Stats;
 854     }
 855     else if(pts->pts_PacketType == 2054)
 856     {
 857         ncp->ncp_TypeStats2054 = &pts->pts_Stats;
 858     }
 859     Permit();
 860
 861     /* Return success */
 862     return RC_OK;
 863 }
 864
 865
 866 WORD cmdUntrackType(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 867 {
 868     struct PacketTypeStats *pts;
 869     KPRINTF(1, ("S2_UNTRACKTYPE ioreq: 0x%08lx type: %lu\n",
 870                 ioreq, ioreq->ios2_PacketType));
 871
 872     Forbid();
 873     /* Find matching node */
 874     pts = (struct PacketTypeStats *) ncp->ncp_TrackList.lh_Head;
 875     while(pts->pts_Node.ln_Succ)
 876     {
 877         /* Our packet type? */
 878         if(pts->pts_PacketType == ioreq->ios2_PacketType)
 879         {
 880             Remove(&pts->pts_Node);
 881             // caching
 882             if(pts->pts_PacketType == 2048)
 883             {
 884                 ncp->ncp_TypeStats2048 = NULL;
 885             }
 886             else if(pts->pts_PacketType == 2054)
 887             {
 888                 ncp->ncp_TypeStats2054 = NULL;
 889             }
 890             Permit();
 891             FreeVec(pts);
 892             return RC_OK;
 893
 894         }
 895         pts = (struct PacketTypeStats *) pts->pts_Node.ln_Succ;
 896     }
 897     Permit();
 898     /* Return failure */
 899     return deverror(S2ERR_BAD_STATE, S2WERR_NOT_TRACKED);
 900 }
 901
 902
 903 WORD cmdGetTypeStats(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 904 {
 905     struct Sana2PacketTypeStats *tostats;
 906     struct Sana2PacketTypeStats *fromstats;
 907
 908     KPRINTF(1, ("S2_GETTYPESTATS ioreq: 0x%08lx type: %lu\n",
 909                 ioreq, ioreq->ios2_PacketType));
 910
 911     /* NULL ptr? */
 912     tostats = (struct Sana2PacketTypeStats *) ioreq->ios2_StatData;
 913     if(!tostats)
 914     {
 915         return deverror(S2ERR_BAD_ARGUMENT, S2WERR_NULL_POINTER);
 916     }
 917
 918     Forbid();
 919     fromstats = FindPacketTypeStats(ncp, ioreq->ios2_PacketType);
 920     if(fromstats)
 921     {
 922         /* Copy the stats */
 923         CopyMem(fromstats, tostats, sizeof(struct Sana2PacketTypeStats));
 924         Permit();
 925
 926         /* Return success */
 927         return RC_OK;
 928     }
 929     Permit();
 930
 931     /* Return error */
 932     return deverror(S2ERR_BAD_STATE, S2WERR_NOT_TRACKED);
 933 }
 934
 935
 936 WORD cmdGetSpecialStats(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 937 {
 938     struct Sana2SpecialStatHeader *stats;
 939     struct Sana2SpecialStatRecord *record;
 940     ULONG maxcount;
 941
 942     KPRINTF(1, ("S2_GETSPECIALSTATS ioreq: 0x%08lx\n", ioreq));
 943
 944     /* NULL ptr? */
 945     stats = (struct Sana2SpecialStatHeader *) ioreq->ios2_StatData;
 946     if(!stats)
 947     {
 948         return deverror(S2ERR_BAD_ARGUMENT, S2WERR_NULL_POINTER);
 949     }
 950
 951     stats->RecordCountSupplied = 0;
 952     maxcount = stats->RecordCountMax;
 953     record = (struct Sana2SpecialStatRecord *) (stats + 1);
 954
 955     if(maxcount--)
 956     {
 957         stats->RecordCountSupplied++;
 958
 959         record->Type   = S2SS_ETHERNET_BADMULTICAST;
 960         record->Count  = ncp->ncp_BadMulticasts;
 961         record->String = "bad multicasts";
 962         record++;
 963
 964         if(maxcount--)
 965         {
 966             stats->RecordCountSupplied++;
 967
 968             record->Type   = S2SS_ETHERNET_RETRIES;
 969             record->Count  = ncp->ncp_Retries;
 970             record->String = "retries";
 971             //record++;
 972         }
 973     }
 974
 975     /* Return success */
 976     return RC_OK;
 977 }
 978
 979
 980 WORD cmdGetGlobalStats(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
 981 {
 982     struct Sana2DeviceStats *stats;
 983
 984     KPRINTF(1, ("S2_GETGLOBALSTATS ioreq: 0x%08lx\n", ioreq));
 985
 986     /* NULL ptr? */
 987     stats = (struct Sana2DeviceStats *) ioreq->ios2_StatData;
 988     if(!stats)
 989     {
 990         return deverror(S2ERR_BAD_ARGUMENT, S2WERR_NULL_POINTER);
 991     }
 992
 993     CopyMem(&ncp->ncp_DeviceStats, stats, sizeof(struct Sana2DeviceStats));
 994
 995     /* Return success */
 996     return RC_OK;
 997 }
 998
 999
1000 #define KNOWN_EVENTS (S2EVENT_ERROR |   \
1001                       S2EVENT_TX |      \
1002                       S2EVENT_RX |      \
1003                       S2EVENT_ONLINE |  \
1004                       S2EVENT_OFFLINE | \
1005                       S2EVENT_BUFF |    \
1006                       S2EVENT_HARDWARE)
1007
1008 WORD cmdOnEvent(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
1009 {
1010     KPRINTF(1, ("S2_ONEVENT ioreq: 0x%08lx mask: 0x%08lx\n", ioreq,
1011                 ioreq->ios2_WireError));
1012
1013     /* Do we know the requested events? */
1014     if(ioreq->ios2_WireError & (~KNOWN_EVENTS))
1015     {
1016         return deverror(S2ERR_NOT_SUPPORTED, S2WERR_BAD_EVENT);
1017     }
1018
1019     /* If online return S2EVENT_ONLINE immediately
1020        If offline return S2EVENT_OFFLINE immediately. */
1021     if(ncp->ncp_StateFlags & DDF_ONLINE)
1022     {
1023         if(ioreq->ios2_WireError & S2EVENT_ONLINE)
1024         {
1025             ioreq->ios2_WireError = S2EVENT_ONLINE;
1026
1027             /* Return success */
1028             return RC_OK;
1029         }
1030     } else {
1031         if(ioreq->ios2_WireError & S2EVENT_OFFLINE)
1032         {
1033             ioreq->ios2_WireError = S2EVENT_OFFLINE;
1034
1035             /* Return success */
1036             return RC_OK;
1037         }
1038     }
1039
1040     /* Must be queued */
1041     ioreq->ios2_Req.io_Flags &= ~IOF_QUICK;
1042
1043     /* Queue the ioreq */
1044     Forbid();
1045     AddTail((struct List *) &ncp->ncp_EventList, (struct Node *) ioreq);
1046     Permit();
1047
1048     /* Don't reply the ioreq, it's pending */
1049     return RC_DONTREPLY;
1050 }
1051
1052
1053 WORD cmdReadOrphan(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
1054 {
1055     struct BufMan *bufman;
1056
1057     KPRINTF(1, ("S2_READORPHAN ioreq: 0x%08lx type: %lu\n", ioreq,
1058                 ioreq->ios2_PacketType));
1059
1060     /* Configured? */
1061     if(!(ncp->ncp_StateFlags & DDF_CONFIGURED))
1062     {
1063         return deverror(S2ERR_BAD_STATE, S2WERR_NOT_CONFIGURED);
1064     }
1065
1066     /* Online? */
1067     if(!(ncp->ncp_StateFlags & DDF_ONLINE))
1068     {
1069         return deverror(S2ERR_OUTOFSERVICE, S2WERR_UNIT_OFFLINE);
1070     }
1071
1072     /* Valid bufman? got copytobuf routine? */
1073     bufman = ioreq->ios2_BufferManagement;
1074     if((!bufman) || (!bufman->bm_CopyToBuf))
1075     {
1076         return deverror(S2ERR_BAD_ARGUMENT, S2WERR_NULL_POINTER);
1077     }
1078
1079     /* Must be queued */
1080     ioreq->ios2_Req.io_Flags &= ~IOF_QUICK;
1081
1082     /* Queue the ioreq */
1083     Forbid();
1084     AddTail((struct List *) &ncp->ncp_OrphanQueue, (struct Node *) ioreq);
1085     Permit();
1086
1087     /* Don't reply the ioreq, it's pending */
1088     return RC_DONTREPLY;
1089 }
1090
1091
1092 WORD cmdOnline(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
1093 {
1094     KPRINTF(1, ("S2_ONLINE ioreq: 0x%08lx\n", ioreq));
1095
1096     Forbid();
1097     /* Already online? */
1098     if(!(ncp->ncp_StateFlags & DDF_ONLINE))
1099     {
1100         /* Configured? */
1101         if(!(ncp->ncp_StateFlags & DDF_CONFIGURED))
1102         {
1103             Permit();
1104             return deverror(S2ERR_BAD_STATE, S2WERR_NOT_CONFIGURED);
1105         }
1106
1107         /* Mark no longer offline */
1108         ncp->ncp_StateFlags &= ~DDF_OFFLINE;
1109
1110         /* Must be queued */
1111         ioreq->ios2_Req.io_Flags &= ~IOF_QUICK;
1112         PutMsg(&ncp->ncp_Unit.unit_MsgPort, (struct Message *) ioreq);
1113         Permit();
1114
1115         /* Don't reply the ioreq, it's pending */
1116         return RC_DONTREPLY;
1117     }
1118
1119     Permit();
1120     /* Return success */
1121     return RC_OK;
1122 }
1123
1124
1125 WORD cmdOffline(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
1126
1127 {
1128     KPRINTF(1, ("S2_OFFLINE ioreq: 0x%08lx\n", ioreq));
1129
1130     Forbid();
1131     /* Mark being offline */
1132     ncp->ncp_StateFlags |= DDF_OFFLINE;
1133
1134     /* Already offline? */
1135     if(ncp->ncp_StateFlags & DDF_ONLINE)
1136     {
1137         /* Mark no longer online */
1138         ncp->ncp_StateFlags &= ~DDF_ONLINE;
1139
1140         /* *DO NOT* abort pending read & write requests.
1141            Miami dies a horrible death if this is enabled!
1142         */
1143         if(ioreq->ios2_BufferManagement)
1144         {
1145             AbortRW(ncp, ioreq->ios2_BufferManagement, deverror(S2ERR_OUTOFSERVICE, S2WERR_UNIT_OFFLINE));
1146         }
1147
1148         /* Trigger any OFFLINE events */
1149         nDoEvent(ncp, S2EVENT_OFFLINE);
1150
1151         /* Must be queued */
1152         ioreq->ios2_Req.io_Flags &= ~IOF_QUICK;
1153         PutMsg(&ncp->ncp_Unit.unit_MsgPort, (struct Message *) ioreq);
1154         Permit();
1155         /* Don't reply the ioreq, it's pending */
1156         return RC_DONTREPLY;
1157     }
1158     Permit();
1159
1160     /* Return success */
1161     return RC_OK;
1162 }
1163
1164
1165 AROS_LH1(void, devBeginIO,
1166          AROS_LHA(struct IOSana2Req *, ioreq, A1),
1167          DEVBASETYPEPTR, base, 5, dev)
1168 {
1169     AROS_LIBFUNC_INIT
1170
1171     struct NepClassEth *ncp = (struct NepClassEth *) ioreq->ios2_Req.io_Unit;
1172     WORD ret = IOERR_NOCMD;
1173
1174     KPRINTF(1, ("devBeginIO ioreq: 0x%08lx base: 0x%08lx cmd: %lu\n", ioreq, base, ioreq->ios2_Req.io_Command));
1175
1176     ioreq->ios2_Req.io_Message.mn_Node.ln_Type = NT_MESSAGE;
1177     ioreq->ios2_Req.io_Error                   = 0;
1178
1179     if(ioreq->ios2_Req.io_Command < NSCMD_DEVICEQUERY)
1180     {
1181         switch(ioreq->ios2_Req.io_Command)
1182         {
1183             case CMD_READ:
1184                 ret = cmdRead(ncp, ioreq);
1185                 break;
1186
1187             case CMD_FLUSH:
1188                 ret = cmdFlush(ncp, ioreq);
1189                 break;
1190
1191             case CMD_WRITE:
1192                 ret = cmdWrite(ncp, ioreq);
1193                 break;
1194
1195             case S2_GETSTATIONADDRESS:
1196                 ret = cmdGetStationAddress(ncp, ioreq);
1197                 break;
1198
1199             case S2_DEVICEQUERY:
1200                 ret = cmdDeviceQuery(ncp, ioreq);
1201                 break;
1202
1203             case S2_CONFIGINTERFACE:
1204                 ret = cmdConfigInterface(ncp, ioreq);
1205                 break;
1206
1207             case S2_ADDMULTICASTADDRESS:
1208                 ret = cmdAddMulticastAddress(ncp, ioreq);
1209                 break;
1210
1211             case S2_DELMULTICASTADDRESS:
1212                 ret = cmdDelMulticastAddress(ncp, ioreq);
1213                 break;
1214
1215             case S2_MULTICAST:
1216                 ret = cmdMulticast(ncp, ioreq);
1217                 break;
1218
1219             case S2_BROADCAST:
1220                 ret = cmdBroadcast(ncp, ioreq);
1221                 break;
1222
1223             case S2_TRACKTYPE:
1224                 ret = cmdTrackType(ncp, ioreq);
1225                 break;
1226
1227             case S2_UNTRACKTYPE:
1228                 ret = cmdUntrackType(ncp, ioreq);
1229                 break;
1230
1231             case S2_GETTYPESTATS:
1232                 ret = cmdGetTypeStats(ncp, ioreq);
1233                 break;
1234
1235             case S2_GETSPECIALSTATS:
1236                 ret = cmdGetSpecialStats(ncp, ioreq);
1237                 break;
1238
1239             case S2_GETGLOBALSTATS:
1240                 ret = cmdGetGlobalStats(ncp, ioreq);
1241                 break;
1242
1243             case S2_ONEVENT:
1244                 ret = cmdOnEvent(ncp, ioreq);
1245                 break;
1246
1247             case S2_READORPHAN:
1248                 ret = cmdReadOrphan(ncp, ioreq);
1249                 break;
1250
1251             case S2_ONLINE:
1252                 ret = cmdOnline(ncp, ioreq);
1253                 break;
1254
1255             case S2_OFFLINE:
1256                 ret = cmdOffline(ncp, ioreq);
1257                 break;
1258
1259             default:
1260                 ret = IOERR_NOCMD;
1261                 break;
1262         }
1263     } else {
1264         switch(ioreq->ios2_Req.io_Command)
1265         {
1266             case NSCMD_DEVICEQUERY:
1267                 ret = cmdNSDeviceQuery(ncp, (struct IOStdReq *) ioreq);
1268                 break;
1269
1270             case S2_ADDMULTICASTADDRESSES:
1271                 ret = cmdAddMulticastAddresses(ncp, ioreq);
1272                 break;
1273
1274             case S2_DELMULTICASTADDRESSES:
1275                 ret = cmdDelMulticastAddresses(ncp, ioreq);
1276                 break;
1277
1278             default:
1279                 ret = IOERR_NOCMD;
1280                 break;
1281         }
1282     }
1283
1284     if(ret != RC_DONTREPLY)
1285     {
1286         KPRINTF(1, ("TermIO\n"));
1287         if (ret != RC_OK)
1288         {
1289             /* Set error codes */
1290             ioreq->ios2_Req.io_Error = ret & 0xff;
1291         }
1292         /* Terminate the iorequest */
1293         TermIO(ncp, ioreq);
1294     }
1295
1296     AROS_LIBFUNC_EXIT
1297 }
1298
1299 AROS_LH1(LONG, devAbortIO,
1300          AROS_LHA(struct IOSana2Req *, ioreq, A1),
1301          DEVBASETYPEPTR, base, 6, dev)
1302 {
1303     AROS_LIBFUNC_INIT
1304
1305     struct NepClassEth *ncp = (struct NepClassEth *) ioreq->ios2_Req.io_Unit;
1306     struct BufMan *worknode, *nextnode;
1307
1308     KPRINTF(5, ("devAbortIO ioreq: 0x%08lx\n", ioreq));
1309
1310     /* Is it pending? */
1311     Forbid();
1312     if(ioreq->ios2_Req.io_Message.mn_Node.ln_Type == NT_MESSAGE)
1313     {
1314
1315         switch (ioreq->ios2_Req.io_Command)
1316         {
1317             case CMD_READ:
1318                 /* Check all nodes in dd_bufmanlist until we succeed to abort or run out of nodes. */
1319                 worknode = (struct BufMan *) ncp->ncp_BufManList.lh_Head;
1320                 while((nextnode = (struct BufMan *) (((struct Node *) worknode)->ln_Succ)))
1321                 {
1322                     if(AbortReq(ncp, &worknode->bm_RXQueue, ioreq) == S2ERR_NO_ERROR)
1323                     {
1324                         /* Success, break out */
1325                         break;
1326                     }
1327                     worknode = nextnode;
1328                 }
1329                 break;
1330
1331             case S2_READORPHAN:
1332                 AbortReq(ncp, &ncp->ncp_OrphanQueue, ioreq);
1333                 break;
1334
1335             case CMD_WRITE:
1336             case S2_MULTICAST:
1337             case S2_BROADCAST:
1338                 AbortReq(ncp, &ncp->ncp_WriteQueue, ioreq);
1339                 break;
1340
1341             // these commands may dispatch their ioreq to the USB task; catch from the message port
1342             case S2_ONLINE:
1343             case S2_OFFLINE:
1344             case S2_CONFIGINTERFACE:
1345             case S2_ADDMULTICASTADDRESS:
1346             case S2_DELMULTICASTADDRESS:
1347             case S2_ADDMULTICASTADDRESSES:
1348             case S2_DELMULTICASTADDRESSES:
1349                 AbortReq(ncp, &ncp->ncp_Unit.unit_MsgPort.mp_MsgList, ioreq);
1350                 break;
1351
1352             case S2_ONEVENT:
1353                 AbortReq(ncp, &ncp->ncp_EventList, ioreq);
1354                 break;
1355
1356             default:
1357                 KPRINTF(1, ("devAbortIO: not READ, READORPHAN, WRITE, MULTICAST, BROADCAST or ONEVENT\n"));
1358                 break;
1359         }
1360     }
1361     Permit();
1362     return(-1);
1363
1364     AROS_LIBFUNC_EXIT
1365 }
1366
1367 /* NSD stuff
1368 */
1369
1370 static
1371 const UWORD NSDSupported[] =
1372 {
1373     CMD_FLUSH, CMD_READ, CMD_WRITE,
1374     S2_DEVICEQUERY,
1375     S2_GETSTATIONADDRESS,
1376     S2_CONFIGINTERFACE,
1377     S2_ADDMULTICASTADDRESS, S2_DELMULTICASTADDRESS,
1378     S2_MULTICAST, S2_BROADCAST,
1379     S2_TRACKTYPE, S2_UNTRACKTYPE,
1380     S2_GETTYPESTATS, S2_GETSPECIALSTATS, S2_GETGLOBALSTATS,
1381     S2_ONEVENT,
1382     S2_READORPHAN,
1383     S2_ONLINE, S2_OFFLINE,
1384     NSCMD_DEVICEQUERY,
1385     S2_ADDMULTICASTADDRESSES, S2_DELMULTICASTADDRESSES,
1386     0
1387 };
1388
1389 WORD cmdNSDeviceQuery(struct NepClassEth *ncp, struct IOStdReq *ioreq)
1390 {
1391     struct my_NSDeviceQueryResult *query;
1392
1393     query = (struct my_NSDeviceQueryResult *) ioreq->io_Data;
1394
1395     KPRINTF(10, ("NSCMD_DEVICEQUERY ioreq: 0x%08lx query: 0x%08lx\n", ioreq, query));
1396
1397     /* NULL ptr?
1398        Enough data?
1399        Valid request?
1400     */
1401     if((!query) ||
1402        (ioreq->io_Length < sizeof(struct my_NSDeviceQueryResult)) ||
1403        (query->DevQueryFormat != 0) ||
1404        (query->SizeAvailable != 0))
1405     {
1406         /* Return error. This is special handling, since iorequest is only
1407            guaranteed to be sizeof(struct IOStdReq). If we'd let our
1408            devBeginIO dispatcher return the error, it would trash some
1409            memory past end of the iorequest (ios2_WireError field).
1410          */
1411          ioreq->io_Error = IOERR_NOCMD;
1412          TermIO(ncp, (struct IOSana2Req *) ioreq);
1413
1414          /* Don't reply, we already did.
1415          */
1416          return RC_DONTREPLY;
1417     }
1418
1419     ioreq->io_Actual         = query->SizeAvailable
1420                              = sizeof(struct my_NSDeviceQueryResult);
1421     query->DeviceType        = NSDEVTYPE_SANA2;
1422     query->DeviceSubType     = 0;
1423     query->SupportedCommands = NSDSupported;
1424
1425     /* Return success (note that this will NOT poke ios2_WireError).
1426     */
1427     return RC_OK;
1428 }
1429
1430 /*
1431  *======================================================================
1432  * AbortReq(list, ioreq, base)
1433  *======================================================================
1434  *
1435  * Locate an IO request in a linked list and abort it if found.
1436  *
1437  */
1438
1439 LONG AbortReq(struct NepClassEth *ncp, struct List *list, struct IOSana2Req *ioreq)
1440 {
1441     struct Node *node;
1442
1443     for(node = list->lh_Head; node->ln_Succ; node = node->ln_Succ)
1444     {
1445         if(node == (struct Node *) ioreq)
1446         {
1447             //KPRINTF(1, ("AbortReq: aborted 0x%08lx\n", ioreq));
1448
1449             Remove(&ioreq->ios2_Req.io_Message.mn_Node);
1450             ioreq->ios2_Req.io_Message.mn_Node.ln_Type = NT_REPLYMSG;
1451             ioreq->ios2_Req.io_Error = IOERR_ABORTED;
1452             ReplyMsg(&ioreq->ios2_Req.io_Message);
1453
1454             return S2ERR_NO_ERROR;
1455         }
1456     }
1457
1458     return S2ERR_BAD_STATE;
1459 }
1460
1461
1462
1463 /*
1464  *===========================================================
1465  * TermIO(ioreq, base)
1466  *===========================================================
1467  *
1468  * Return completed ioreq to sender.
1469  *
1470  */
1471
1472 void TermIO(struct NepClassEth *ncp, struct IOSana2Req *ioreq)
1473 {
1474     ioreq->ios2_Req.io_Message.mn_Node.ln_Type = NT_FREEMSG;
1475
1476     /* If not quick I/O, reply the message
1477     */
1478     if(!(ioreq->ios2_Req.io_Flags & IOF_QUICK))
1479     {
1480         ReplyMsg(&ioreq->ios2_Req.io_Message);
1481     }
1482 }
1483
1484 /*
1485  *======================================================================
1486  * AbortList(list, bufman, error, base)
1487  *======================================================================
1488  *
1489  * Aborts all pending ioreqs in given list with io_Error & ios2_WireError
1490  * set.
1491  *
1492  * error is deverror() macro packed error number.
1493  *
1494  */
1495
1496 void AbortList(struct NepClassEth *ncp, struct List *list, struct BufMan *bufman, WORD error)
1497 {
1498     struct IOSana2Req *ioreq, *nextioreq;
1499
1500     if(bufman)
1501     {
1502         for(ioreq = (struct IOSana2Req *) list->lh_Head;
1503             (nextioreq = (struct IOSana2Req *) ioreq->ios2_Req.io_Message.mn_Node.ln_Succ);
1504             ioreq = nextioreq)
1505         {
1506             if(ioreq->ios2_BufferManagement == bufman)
1507             {
1508                 Remove(&ioreq->ios2_Req.io_Message.mn_Node);
1509                 /*ioreq->ios2_Req.io_Message.mn_Node.ln_Type = NT_REPLYMSG;*/
1510                 ioreq->ios2_Req.io_Error = error & 0xff;
1511                 ioreq->ios2_WireError = error >> 8;
1512                 ReplyMsg(&ioreq->ios2_Req.io_Message);
1513             }
1514         }
1515     }
1516     else
1517     {
1518         while((ioreq = (struct IOSana2Req *) RemHead(list)))
1519         {
1520             /* ioreq->ios2_Req.io_Message.mn_Node.ln_Type = NT_REPLYMSG;*/
1521             ioreq->ios2_Req.io_Error = error & 0xff;
1522             ioreq->ios2_WireError = error >> 8;
1523             ReplyMsg(&ioreq->ios2_Req.io_Message);
1524         }
1525     }
1526 }
1527
1528
1529 /*
1530  *======================================================================
1531  * AbortRW(bufman, error, base)
1532  *======================================================================
1533  *
1534  * Aborts all pending reads and writes with io_Error & ios2_WireError
1535  * set.
1536  *
1537  * error is deverror() macro packed error number.
1538  *
1539  */
1540
1541 void AbortRW(struct NepClassEth *ncp, struct BufMan *bufman, WORD error)
1542 {
1543     AbortList(ncp, &bufman->bm_RXQueue, NULL, error);
1544     AbortList(ncp, &ncp->ncp_OrphanQueue, bufman, error);
1545     AbortList(ncp, &ncp->ncp_WriteQueue, bufman, error);
1546 }
1547
1548 struct Sana2PacketTypeStats * FindPacketTypeStats(struct NepClassEth *ncp, ULONG packettype)
1549 {
1550     struct PacketTypeStats *pts;
1551
1552     switch(packettype)
1553     {
1554         case 2048:
1555             return ncp->ncp_TypeStats2048;
1556             break;
1557
1558         case 2054:
1559             return ncp->ncp_TypeStats2054;
1560             break;
1561
1562         default:
1563             /* Find matching node - slowly */
1564             pts = (struct PacketTypeStats *) ncp->ncp_TrackList.lh_Head;
1565             while(pts->pts_Node.ln_Succ)
1566             {
1567                 /* Our packet type? */
1568                 if(pts->pts_PacketType == packettype)
1569                 {
1570                      return &pts->pts_Stats;
1571                 }
1572                 pts = (struct PacketTypeStats *) pts->pts_Node.ln_Succ;
1573             }
1574             break;
1575     }
1576
1577     return NULL;
1578 }
1579