git.oblomov.eu Git - linux-2.6/blob - drivers/net/sk98lin/skaddr.c

   1 /******************************************************************************
   2  *
   3  * Name:        skaddr.c
   4  * Project:     Gigabit Ethernet Adapters, ADDR-Module
   5  * Version:     $Revision: 1.52 $
   6  * Date:        $Date: 2003/06/02 13:46:15 $
   7  * Purpose:     Manage Addresses (Multicast and Unicast) and Promiscuous Mode.
   8  *
   9  ******************************************************************************/
  10
  11 /******************************************************************************
  12  *
  13  *      (C)Copyright 1998-2002 SysKonnect GmbH.
  14  *      (C)Copyright 2002-2003 Marvell.
  15  *
  16  *      This program is free software; you can redistribute it and/or modify
  17  *      it under the terms of the GNU General Public License as published by
  18  *      the Free Software Foundation; either version 2 of the License, or
  19  *      (at your option) any later version.
  20  *
  21  *      The information in this file is provided "AS IS" without warranty.
  22  *
  23  ******************************************************************************/
  24
  25 /******************************************************************************
  26  *
  27  * Description:
  28  *
  29  * This module is intended to manage multicast addresses, address override,
  30  * and promiscuous mode on GEnesis and Yukon adapters.
  31  *
  32  * Address Layout:
  33  *      port address:           physical MAC address
  34  *      1st exact match:        logical MAC address (GEnesis only)
  35  *      2nd exact match:        RLMT multicast (GEnesis only)
  36  *      exact match 3-13:       OS-specific multicasts (GEnesis only)
  37  *
  38  * Include File Hierarchy:
  39  *
  40  *      "skdrv1st.h"
  41  *      "skdrv2nd.h"
  42  *
  43  ******************************************************************************/
  44
  45 #if (defined(DEBUG) || ((!defined(LINT)) && (!defined(SK_SLIM))))
  46 static const char SysKonnectFileId[] =
  47         "@(#) $Id: skaddr.c,v 1.52 2003/06/02 13:46:15 tschilli Exp $ (C) Marvell.";
  48 #endif /* DEBUG ||!LINT || !SK_SLIM */
  49
  50 #define __SKADDR_C
  51
  52 #ifdef __cplusplus
  53 extern "C" {
  54 #endif  /* cplusplus */
  55
  56 #include "h/skdrv1st.h"
  57 #include "h/skdrv2nd.h"
  58
  59 /* defines ********************************************************************/
  60
  61
  62 #define XMAC_POLY       0xEDB88320UL    /* CRC32-Poly - XMAC: Little Endian */
  63 #define GMAC_POLY       0x04C11DB7L     /* CRC16-Poly - GMAC: Little Endian */
  64 #define HASH_BITS       6                               /* #bits in hash */
  65 #define SK_MC_BIT       0x01
  66
  67 /* Error numbers and messages. */
  68
  69 #define SKERR_ADDR_E001         (SK_ERRBASE_ADDR + 0)
  70 #define SKERR_ADDR_E001MSG      "Bad Flags."
  71 #define SKERR_ADDR_E002         (SKERR_ADDR_E001 + 1)
  72 #define SKERR_ADDR_E002MSG      "New Error."
  73
  74 /* typedefs *******************************************************************/
  75
  76 /* None. */
  77
  78 /* global variables ***********************************************************/
  79
  80 /* 64-bit hash values with all bits set. */
  81
  82 static const SK_U16     OnesHash[4] = {0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF};
  83
  84 /* local variables ************************************************************/
  85
  86 #ifdef DEBUG
  87 static int      Next0[SK_MAX_MACS] = {0};
  88 #endif  /* DEBUG */
  89
  90 static int SkAddrGmacMcAdd(SK_AC *pAC, SK_IOC IoC, SK_U32 PortNumber,
  91                            SK_MAC_ADDR *pMc, int Flags);
  92 static int SkAddrGmacMcClear(SK_AC *pAC, SK_IOC IoC, SK_U32 PortNumber,
  93                              int Flags);
  94 static int SkAddrGmacMcUpdate(SK_AC *pAC, SK_IOC IoC, SK_U32 PortNumber);
  95 static int SkAddrGmacPromiscuousChange(SK_AC *pAC, SK_IOC IoC,
  96                                        SK_U32 PortNumber, int NewPromMode);
  97 static int SkAddrXmacMcAdd(SK_AC *pAC, SK_IOC IoC, SK_U32 PortNumber,
  98                            SK_MAC_ADDR *pMc, int Flags);
  99 static int SkAddrXmacMcClear(SK_AC *pAC, SK_IOC IoC, SK_U32 PortNumber,
 100                              int Flags);
 101 static int SkAddrXmacMcUpdate(SK_AC *pAC, SK_IOC IoC, SK_U32 PortNumber);
 102 static int SkAddrXmacPromiscuousChange(SK_AC *pAC, SK_IOC IoC,
 103                                        SK_U32 PortNumber, int NewPromMode);
 104
 105 /* functions ******************************************************************/
 106
 107 /******************************************************************************
 108  *
 109  *      SkAddrInit - initialize data, set state to init
 110  *
 111  * Description:
 112  *
 113  *      SK_INIT_DATA
 114  *      ============
 115  *
 116  *      This routine clears the multicast tables and resets promiscuous mode.
 117  *      Some entries are reserved for the "logical MAC address", the
 118  *      SK-RLMT multicast address, and the BPDU multicast address.
 119  *
 120  *
 121  *      SK_INIT_IO
 122  *      ==========
 123  *
 124  *      All permanent MAC addresses are read from EPROM.
 125  *      If the current MAC addresses are not already set in software,
 126  *      they are set to the values of the permanent addresses.
 127  *      The current addresses are written to the corresponding MAC.
 128  *
 129  *
 130  *      SK_INIT_RUN
 131  *      ===========
 132  *
 133  *      Nothing.
 134  *
 135  * Context:
 136  *      init, pageable
 137  *
 138  * Returns:
 139  *      SK_ADDR_SUCCESS
 140  */
 141 int     SkAddrInit(
 142 SK_AC   *pAC,   /* the adapter context */
 143 SK_IOC  IoC,    /* I/O context */
 144 int             Level)  /* initialization level */
 145 {
 146         int                     j;
 147         SK_U32          i;
 148         SK_U8           *InAddr;
 149         SK_U16          *OutAddr;
 150         SK_ADDR_PORT    *pAPort;
 151
 152         switch (Level) {
 153         case SK_INIT_DATA:
 154                 SK_MEMSET((char *) &pAC->Addr, (SK_U8) 0,
 155             (SK_U16) sizeof(SK_ADDR));
 156
 157                 for (i = 0; i < SK_MAX_MACS; i++) {
 158                         pAPort = &pAC->Addr.Port[i];
 159                         pAPort->PromMode = SK_PROM_MODE_NONE;
 160
 161                         pAPort->FirstExactMatchRlmt = SK_ADDR_FIRST_MATCH_RLMT;
 162                         pAPort->FirstExactMatchDrv = SK_ADDR_FIRST_MATCH_DRV;
 163                         pAPort->NextExactMatchRlmt = SK_ADDR_FIRST_MATCH_RLMT;
 164                         pAPort->NextExactMatchDrv = SK_ADDR_FIRST_MATCH_DRV;
 165                 }
 166 #ifdef xDEBUG
 167                 for (i = 0; i < SK_MAX_MACS; i++) {
 168                         if (pAC->Addr.Port[i].NextExactMatchRlmt <
 169                                 SK_ADDR_FIRST_MATCH_RLMT) {
 170                                 Next0[i] |= 4;
 171                         }
 172                 }
 173 #endif  /* DEBUG */
 174                 /* pAC->Addr.InitDone = SK_INIT_DATA; */
 175                 break;
 176
 177     case SK_INIT_IO:
 178 #ifndef SK_NO_RLMT
 179                 for (i = 0; i < SK_MAX_NETS; i++) {
 180                         pAC->Addr.Net[i].ActivePort = pAC->Rlmt.Net[i].ActivePort;
 181                 }
 182 #endif /* !SK_NO_RLMT */
 183 #ifdef xDEBUG
 184                 for (i = 0; i < SK_MAX_MACS; i++) {
 185                         if (pAC->Addr.Port[i].NextExactMatchRlmt <
 186                                 SK_ADDR_FIRST_MATCH_RLMT) {
 187                                 Next0[i] |= 8;
 188                         }
 189                 }
 190 #endif  /* DEBUG */
 191
 192                 /* Read permanent logical MAC address from Control Register File. */
 193                 for (j = 0; j < SK_MAC_ADDR_LEN; j++) {
 194                         InAddr = (SK_U8 *) &pAC->Addr.Net[0].PermanentMacAddress.a[j];
 195                         SK_IN8(IoC, B2_MAC_1 + j, InAddr);
 196                 }
 197
 198                 if (!pAC->Addr.Net[0].CurrentMacAddressSet) {
 199                         /* Set the current logical MAC address to the permanent one. */
 200                         pAC->Addr.Net[0].CurrentMacAddress =
 201                                 pAC->Addr.Net[0].PermanentMacAddress;
 202                         pAC->Addr.Net[0].CurrentMacAddressSet = SK_TRUE;
 203                 }
 204
 205                 /* Set the current logical MAC address. */
 206                 pAC->Addr.Port[pAC->Addr.Net[0].ActivePort].Exact[0] =
 207                         pAC->Addr.Net[0].CurrentMacAddress;
 208 #if SK_MAX_NETS > 1
 209                 /* Set logical MAC address for net 2 to (log | 3). */
 210                 if (!pAC->Addr.Net[1].CurrentMacAddressSet) {
 211                         pAC->Addr.Net[1].PermanentMacAddress =
 212                                 pAC->Addr.Net[0].PermanentMacAddress;
 213                         pAC->Addr.Net[1].PermanentMacAddress.a[5] |= 3;
 214                         /* Set the current logical MAC address to the permanent one. */
 215                         pAC->Addr.Net[1].CurrentMacAddress =
 216                                 pAC->Addr.Net[1].PermanentMacAddress;
 217                         pAC->Addr.Net[1].CurrentMacAddressSet = SK_TRUE;
 218                 }
 219 #endif  /* SK_MAX_NETS > 1 */
 220
 221 #ifdef DEBUG
 222                 for (i = 0; i < (SK_U32) pAC->GIni.GIMacsFound; i++) {
 223                         SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_INIT,
 224                                 ("Permanent MAC Address (Net%d): %02X %02X %02X %02X %02X %02X\n",
 225                                         i,
 226                                         pAC->Addr.Net[i].PermanentMacAddress.a[0],
 227                                         pAC->Addr.Net[i].PermanentMacAddress.a[1],
 228                                         pAC->Addr.Net[i].PermanentMacAddress.a[2],
 229                                         pAC->Addr.Net[i].PermanentMacAddress.a[3],
 230                                         pAC->Addr.Net[i].PermanentMacAddress.a[4],
 231                                         pAC->Addr.Net[i].PermanentMacAddress.a[5]))
 232
 233                         SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_INIT,
 234                                 ("Logical MAC Address (Net%d): %02X %02X %02X %02X %02X %02X\n",
 235                                         i,
 236                                         pAC->Addr.Net[i].CurrentMacAddress.a[0],
 237                                         pAC->Addr.Net[i].CurrentMacAddress.a[1],
 238                                         pAC->Addr.Net[i].CurrentMacAddress.a[2],
 239                                         pAC->Addr.Net[i].CurrentMacAddress.a[3],
 240                                         pAC->Addr.Net[i].CurrentMacAddress.a[4],
 241                                         pAC->Addr.Net[i].CurrentMacAddress.a[5]))
 242                 }
 243 #endif  /* DEBUG */
 244
 245                 for (i = 0; i < (SK_U32) pAC->GIni.GIMacsFound; i++) {
 246                         pAPort = &pAC->Addr.Port[i];
 247
 248                         /* Read permanent port addresses from Control Register File. */
 249                         for (j = 0; j < SK_MAC_ADDR_LEN; j++) {
 250                                 InAddr = (SK_U8 *) &pAPort->PermanentMacAddress.a[j];
 251                                 SK_IN8(IoC, B2_MAC_2 + 8 * i + j, InAddr);
 252                         }
 253
 254                         if (!pAPort->CurrentMacAddressSet) {
 255                                 /*
 256                                  * Set the current and previous physical MAC address
 257                                  * of this port to its permanent MAC address.
 258                                  */
 259                                 pAPort->CurrentMacAddress = pAPort->PermanentMacAddress;
 260                                 pAPort->PreviousMacAddress = pAPort->PermanentMacAddress;
 261                                 pAPort->CurrentMacAddressSet = SK_TRUE;
 262                         }
 263
 264                         /* Set port's current physical MAC address. */
 265                         OutAddr = (SK_U16 *) &pAPort->CurrentMacAddress.a[0];
 266 #ifdef GENESIS
 267                         if (pAC->GIni.GIGenesis) {
 268                                 XM_OUTADDR(IoC, i, XM_SA, OutAddr);
 269                         }
 270 #endif /* GENESIS */
 271 #ifdef YUKON
 272                         if (!pAC->GIni.GIGenesis) {
 273                                 GM_OUTADDR(IoC, i, GM_SRC_ADDR_1L, OutAddr);
 274                         }
 275 #endif /* YUKON */
 276 #ifdef DEBUG
 277                         SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_INIT,
 278                                 ("SkAddrInit: Permanent Physical MAC Address: %02X %02X %02X %02X %02X %02X\n",
 279                                         pAPort->PermanentMacAddress.a[0],
 280                                         pAPort->PermanentMacAddress.a[1],
 281                                         pAPort->PermanentMacAddress.a[2],
 282                                         pAPort->PermanentMacAddress.a[3],
 283                                         pAPort->PermanentMacAddress.a[4],
 284                                         pAPort->PermanentMacAddress.a[5]))
 285
 286                         SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_INIT,
 287                                 ("SkAddrInit: Physical MAC Address: %02X %02X %02X %02X %02X %02X\n",
 288                                         pAPort->CurrentMacAddress.a[0],
 289                                         pAPort->CurrentMacAddress.a[1],
 290                                         pAPort->CurrentMacAddress.a[2],
 291                                         pAPort->CurrentMacAddress.a[3],
 292                                         pAPort->CurrentMacAddress.a[4],
 293                                         pAPort->CurrentMacAddress.a[5]))
 294 #endif /* DEBUG */
 295                 }
 296                 /* pAC->Addr.InitDone = SK_INIT_IO; */
 297                 break;
 298
 299         case SK_INIT_RUN:
 300 #ifdef xDEBUG
 301                 for (i = 0; i < SK_MAX_MACS; i++) {
 302                         if (pAC->Addr.Port[i].NextExactMatchRlmt <
 303                                 SK_ADDR_FIRST_MATCH_RLMT) {
 304                                 Next0[i] |= 16;
 305                         }
 306                 }
 307 #endif  /* DEBUG */
 308
 309                 /* pAC->Addr.InitDone = SK_INIT_RUN; */
 310                 break;
 311
 312         default:        /* error */
 313                 break;
 314         }
 315
 316         return (SK_ADDR_SUCCESS);
 317
 318 }       /* SkAddrInit */
 319
 320 #ifndef SK_SLIM
 321
 322 /******************************************************************************
 323  *
 324  *      SkAddrMcClear - clear the multicast table
 325  *
 326  * Description:
 327  *      This routine clears the multicast table.
 328  *
 329  *      If not suppressed by Flag SK_MC_SW_ONLY, the hardware is updated
 330  *      immediately.
 331  *
 332  *      It calls either SkAddrXmacMcClear or SkAddrGmacMcClear, according
 333  *      to the adapter in use. The real work is done there.
 334  *
 335  * Context:
 336  *      runtime, pageable
 337  *      may be called starting with SK_INIT_DATA with flag SK_MC_SW_ONLY
 338  *      may be called after SK_INIT_IO without limitation
 339  *
 340  * Returns:
 341  *      SK_ADDR_SUCCESS
 342  *      SK_ADDR_ILLEGAL_PORT
 343  */
 344 int     SkAddrMcClear(
 345 SK_AC   *pAC,           /* adapter context */
 346 SK_IOC  IoC,            /* I/O context */
 347 SK_U32  PortNumber,     /* Index of affected port */
 348 int             Flags)          /* permanent/non-perm, sw-only */
 349 {
 350         int ReturnCode;
 351
 352         if (PortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
 353                 return (SK_ADDR_ILLEGAL_PORT);
 354         }
 355
 356         if (pAC->GIni.GIGenesis) {
 357                 ReturnCode = SkAddrXmacMcClear(pAC, IoC, PortNumber, Flags);
 358         }
 359         else {
 360                 ReturnCode = SkAddrGmacMcClear(pAC, IoC, PortNumber, Flags);
 361         }
 362
 363         return (ReturnCode);
 364
 365 }       /* SkAddrMcClear */
 366
 367 #endif /* !SK_SLIM */
 368
 369 #ifndef SK_SLIM
 370
 371 /******************************************************************************
 372  *
 373  *      SkAddrXmacMcClear - clear the multicast table
 374  *
 375  * Description:
 376  *      This routine clears the multicast table
 377  *      (either entry 2 or entries 3-16 and InexactFilter) of the given port.
 378  *      If not suppressed by Flag SK_MC_SW_ONLY, the hardware is updated
 379  *      immediately.
 380  *
 381  * Context:
 382  *      runtime, pageable
 383  *      may be called starting with SK_INIT_DATA with flag SK_MC_SW_ONLY
 384  *      may be called after SK_INIT_IO without limitation
 385  *
 386  * Returns:
 387  *      SK_ADDR_SUCCESS
 388  *      SK_ADDR_ILLEGAL_PORT
 389  */
 390 static int      SkAddrXmacMcClear(
 391 SK_AC   *pAC,           /* adapter context */
 392 SK_IOC  IoC,            /* I/O context */
 393 SK_U32  PortNumber,     /* Index of affected port */
 394 int             Flags)          /* permanent/non-perm, sw-only */
 395 {
 396         int i;
 397
 398         if (Flags & SK_ADDR_PERMANENT) {        /* permanent => RLMT */
 399
 400                 /* Clear RLMT multicast addresses. */
 401                 pAC->Addr.Port[PortNumber].NextExactMatchRlmt = SK_ADDR_FIRST_MATCH_RLMT;
 402         }
 403         else {  /* not permanent => DRV */
 404
 405                 /* Clear InexactFilter */
 406                 for (i = 0; i < 8; i++) {
 407                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] = 0;
 408                 }
 409
 410                 /* Clear DRV multicast addresses. */
 411
 412                 pAC->Addr.Port[PortNumber].NextExactMatchDrv = SK_ADDR_FIRST_MATCH_DRV;
 413         }
 414
 415         if (!(Flags & SK_MC_SW_ONLY)) {
 416                 (void) SkAddrXmacMcUpdate(pAC, IoC, PortNumber);
 417         }
 418
 419         return (SK_ADDR_SUCCESS);
 420
 421 }       /* SkAddrXmacMcClear */
 422
 423 #endif /* !SK_SLIM */
 424
 425 #ifndef SK_SLIM
 426
 427 /******************************************************************************
 428  *
 429  *      SkAddrGmacMcClear - clear the multicast table
 430  *
 431  * Description:
 432  *      This routine clears the multicast hashing table (InexactFilter)
 433  *      (either the RLMT or the driver bits) of the given port.
 434  *
 435  *      If not suppressed by Flag SK_MC_SW_ONLY, the hardware is updated
 436  *      immediately.
 437  *
 438  * Context:
 439  *      runtime, pageable
 440  *      may be called starting with SK_INIT_DATA with flag SK_MC_SW_ONLY
 441  *      may be called after SK_INIT_IO without limitation
 442  *
 443  * Returns:
 444  *      SK_ADDR_SUCCESS
 445  *      SK_ADDR_ILLEGAL_PORT
 446  */
 447 static int      SkAddrGmacMcClear(
 448 SK_AC   *pAC,           /* adapter context */
 449 SK_IOC  IoC,            /* I/O context */
 450 SK_U32  PortNumber,     /* Index of affected port */
 451 int             Flags)          /* permanent/non-perm, sw-only */
 452 {
 453         int i;
 454
 455 #ifdef DEBUG
 456         SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
 457                 ("GMAC InexactFilter (not cleared): %02X %02X %02X %02X %02X %02X %02X %02X\n",
 458                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[0],
 459                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[1],
 460                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[2],
 461                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[3],
 462                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[4],
 463                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[5],
 464                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[6],
 465                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[7]))
 466 #endif  /* DEBUG */
 467
 468         /* Clear InexactFilter */
 469         for (i = 0; i < 8; i++) {
 470                 pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] = 0;
 471         }
 472
 473         if (Flags & SK_ADDR_PERMANENT) {        /* permanent => RLMT */
 474
 475                 /* Copy DRV bits to InexactFilter. */
 476                 for (i = 0; i < 8; i++) {
 477                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] |=
 478                                 pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[i];
 479
 480                         /* Clear InexactRlmtFilter. */
 481                         pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[i] = 0;
 482
 483                 }
 484         }
 485         else {  /* not permanent => DRV */
 486
 487                 /* Copy RLMT bits to InexactFilter. */
 488                 for (i = 0; i < 8; i++) {
 489                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] |=
 490                                 pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[i];
 491
 492                         /* Clear InexactDrvFilter. */
 493                         pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[i] = 0;
 494                 }
 495         }
 496
 497 #ifdef DEBUG
 498         SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
 499                 ("GMAC InexactFilter (cleared): %02X %02X %02X %02X %02X %02X %02X %02X\n",
 500                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[0],
 501                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[1],
 502                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[2],
 503                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[3],
 504                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[4],
 505                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[5],
 506                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[6],
 507                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[7]))
 508 #endif  /* DEBUG */
 509
 510         if (!(Flags & SK_MC_SW_ONLY)) {
 511                 (void) SkAddrGmacMcUpdate(pAC, IoC, PortNumber);
 512         }
 513
 514         return (SK_ADDR_SUCCESS);
 515
 516 }       /* SkAddrGmacMcClear */
 517
 518 #ifndef SK_ADDR_CHEAT
 519
 520 /******************************************************************************
 521  *
 522  *      SkXmacMcHash - hash multicast address
 523  *
 524  * Description:
 525  *      This routine computes the hash value for a multicast address.
 526  *      A CRC32 algorithm is used.
 527  *
 528  * Notes:
 529  *      The code was adapted from the XaQti data sheet.
 530  *
 531  * Context:
 532  *      runtime, pageable
 533  *
 534  * Returns:
 535  *      Hash value of multicast address.
 536  */
 537 static SK_U32 SkXmacMcHash(
 538 unsigned char *pMc)     /* Multicast address */
 539 {
 540         SK_U32 Idx;
 541         SK_U32 Bit;
 542         SK_U32 Data;
 543         SK_U32 Crc;
 544
 545         Crc = 0xFFFFFFFFUL;
 546         for (Idx = 0; Idx < SK_MAC_ADDR_LEN; Idx++) {
 547                 Data = *pMc++;
 548                 for (Bit = 0; Bit < 8; Bit++, Data >>= 1) {
 549                         Crc = (Crc >> 1) ^ (((Crc ^ Data) & 1) ? XMAC_POLY : 0);
 550                 }
 551         }
 552
 553         return (Crc & ((1 << HASH_BITS) - 1));
 554
 555 }       /* SkXmacMcHash */
 556
 557
 558 /******************************************************************************
 559  *
 560  *      SkGmacMcHash - hash multicast address
 561  *
 562  * Description:
 563  *      This routine computes the hash value for a multicast address.
 564  *      A CRC16 algorithm is used.
 565  *
 566  * Notes:
 567  *
 568  *
 569  * Context:
 570  *      runtime, pageable
 571  *
 572  * Returns:
 573  *      Hash value of multicast address.
 574  */
 575 static SK_U32 SkGmacMcHash(
 576 unsigned char *pMc)     /* Multicast address */
 577 {
 578         SK_U32 Data;
 579         SK_U32 TmpData;
 580         SK_U32 Crc;
 581         int Byte;
 582         int Bit;
 583
 584         Crc = 0xFFFFFFFFUL;
 585         for (Byte = 0; Byte < 6; Byte++) {
 586                 /* Get next byte. */
 587                 Data = (SK_U32) pMc[Byte];
 588
 589                 /* Change bit order in byte. */
 590                 TmpData = Data;
 591                 for (Bit = 0; Bit < 8; Bit++) {
 592                         if (TmpData & 1L) {
 593                                 Data |=  1L << (7 - Bit);
 594                         }
 595                         else {
 596                                 Data &= ~(1L << (7 - Bit));
 597                         }
 598                         TmpData >>= 1;
 599                 }
 600
 601                 Crc ^= (Data << 24);
 602                 for (Bit = 0; Bit < 8; Bit++) {
 603                         if (Crc & 0x80000000) {
 604                                 Crc = (Crc << 1) ^ GMAC_POLY;
 605                         }
 606                         else {
 607                                 Crc <<= 1;
 608                         }
 609                 }
 610         }
 611
 612         return (Crc & ((1 << HASH_BITS) - 1));
 613
 614 }       /* SkGmacMcHash */
 615
 616 #endif  /* !SK_ADDR_CHEAT */
 617
 618 /******************************************************************************
 619  *
 620  *      SkAddrMcAdd - add a multicast address to a port
 621  *
 622  * Description:
 623  *      This routine enables reception for a given address on the given port.
 624  *
 625  *      It calls either SkAddrXmacMcAdd or SkAddrGmacMcAdd, according to the
 626  *      adapter in use. The real work is done there.
 627  *
 628  * Notes:
 629  *      The return code is only valid for SK_PROM_MODE_NONE.
 630  *
 631  * Context:
 632  *      runtime, pageable
 633  *      may be called after SK_INIT_DATA
 634  *
 635  * Returns:
 636  *      SK_MC_FILTERING_EXACT
 637  *      SK_MC_FILTERING_INEXACT
 638  *      SK_MC_ILLEGAL_ADDRESS
 639  *      SK_MC_ILLEGAL_PORT
 640  *      SK_MC_RLMT_OVERFLOW
 641  */
 642 int     SkAddrMcAdd(
 643 SK_AC           *pAC,           /* adapter context */
 644 SK_IOC          IoC,            /* I/O context */
 645 SK_U32          PortNumber,     /* Port Number */
 646 SK_MAC_ADDR     *pMc,           /* multicast address to be added */
 647 int                     Flags)          /* permanent/non-permanent */
 648 {
 649         int ReturnCode;
 650
 651         if (PortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
 652                 return (SK_ADDR_ILLEGAL_PORT);
 653         }
 654
 655         if (pAC->GIni.GIGenesis) {
 656                 ReturnCode = SkAddrXmacMcAdd(pAC, IoC, PortNumber, pMc, Flags);
 657         }
 658         else {
 659                 ReturnCode = SkAddrGmacMcAdd(pAC, IoC, PortNumber, pMc, Flags);
 660         }
 661
 662         return (ReturnCode);
 663
 664 }       /* SkAddrMcAdd */
 665
 666
 667 /******************************************************************************
 668  *
 669  *      SkAddrXmacMcAdd - add a multicast address to a port
 670  *
 671  * Description:
 672  *      This routine enables reception for a given address on the given port.
 673  *
 674  * Notes:
 675  *      The return code is only valid for SK_PROM_MODE_NONE.
 676  *
 677  *      The multicast bit is only checked if there are no free exact match
 678  *      entries.
 679  *
 680  * Context:
 681  *      runtime, pageable
 682  *      may be called after SK_INIT_DATA
 683  *
 684  * Returns:
 685  *      SK_MC_FILTERING_EXACT
 686  *      SK_MC_FILTERING_INEXACT
 687  *      SK_MC_ILLEGAL_ADDRESS
 688  *      SK_MC_RLMT_OVERFLOW
 689  */
 690 static int      SkAddrXmacMcAdd(
 691 SK_AC           *pAC,           /* adapter context */
 692 SK_IOC          IoC,            /* I/O context */
 693 SK_U32          PortNumber,     /* Port Number */
 694 SK_MAC_ADDR     *pMc,           /* multicast address to be added */
 695 int             Flags)          /* permanent/non-permanent */
 696 {
 697         int     i;
 698         SK_U8   Inexact;
 699 #ifndef SK_ADDR_CHEAT
 700         SK_U32 HashBit;
 701 #endif  /* !defined(SK_ADDR_CHEAT) */
 702
 703         if (Flags & SK_ADDR_PERMANENT) {        /* permanent => RLMT */
 704 #ifdef xDEBUG
 705                 if (pAC->Addr.Port[PortNumber].NextExactMatchRlmt <
 706                         SK_ADDR_FIRST_MATCH_RLMT) {
 707                         Next0[PortNumber] |= 1;
 708                         return (SK_MC_RLMT_OVERFLOW);
 709                 }
 710 #endif  /* DEBUG */
 711
 712                 if (pAC->Addr.Port[PortNumber].NextExactMatchRlmt >
 713                         SK_ADDR_LAST_MATCH_RLMT) {
 714                         return (SK_MC_RLMT_OVERFLOW);
 715                 }
 716
 717                 /* Set a RLMT multicast address. */
 718
 719                 pAC->Addr.Port[PortNumber].Exact[
 720                         pAC->Addr.Port[PortNumber].NextExactMatchRlmt++] = *pMc;
 721
 722                 return (SK_MC_FILTERING_EXACT);
 723         }
 724
 725 #ifdef xDEBUG
 726         if (pAC->Addr.Port[PortNumber].NextExactMatchDrv <
 727                 SK_ADDR_FIRST_MATCH_DRV) {
 728                         Next0[PortNumber] |= 2;
 729                 return (SK_MC_RLMT_OVERFLOW);
 730         }
 731 #endif  /* DEBUG */
 732
 733         if (pAC->Addr.Port[PortNumber].NextExactMatchDrv <= SK_ADDR_LAST_MATCH_DRV) {
 734
 735                 /* Set exact match entry. */
 736                 pAC->Addr.Port[PortNumber].Exact[
 737                         pAC->Addr.Port[PortNumber].NextExactMatchDrv++] = *pMc;
 738
 739                 /* Clear InexactFilter */
 740                 for (i = 0; i < 8; i++) {
 741                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] = 0;
 742                 }
 743         }
 744         else {
 745                 if (!(pMc->a[0] & SK_MC_BIT)) {
 746                         /* Hashing only possible with multicast addresses */
 747                         return (SK_MC_ILLEGAL_ADDRESS);
 748                 }
 749 #ifndef SK_ADDR_CHEAT
 750                 /* Compute hash value of address. */
 751                 HashBit = 63 - SkXmacMcHash(&pMc->a[0]);
 752
 753                 /* Add bit to InexactFilter. */
 754                 pAC->Addr.Port[PortNumber].InexactFilter.Bytes[HashBit / 8] |=
 755                         1 << (HashBit % 8);
 756 #else   /* SK_ADDR_CHEAT */
 757                 /* Set all bits in InexactFilter. */
 758                 for (i = 0; i < 8; i++) {
 759                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] = 0xFF;
 760                 }
 761 #endif  /* SK_ADDR_CHEAT */
 762         }
 763
 764         for (Inexact = 0, i = 0; i < 8; i++) {
 765                 Inexact |= pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i];
 766         }
 767
 768         if (Inexact == 0 && pAC->Addr.Port[PortNumber].PromMode == 0) {
 769                 return (SK_MC_FILTERING_EXACT);
 770         }
 771         else {
 772                 return (SK_MC_FILTERING_INEXACT);
 773         }
 774
 775 }       /* SkAddrXmacMcAdd */
 776
 777
 778 /******************************************************************************
 779  *
 780  *      SkAddrGmacMcAdd - add a multicast address to a port
 781  *
 782  * Description:
 783  *      This routine enables reception for a given address on the given port.
 784  *
 785  * Notes:
 786  *      The return code is only valid for SK_PROM_MODE_NONE.
 787  *
 788  * Context:
 789  *      runtime, pageable
 790  *      may be called after SK_INIT_DATA
 791  *
 792  * Returns:
 793  *      SK_MC_FILTERING_INEXACT
 794  *      SK_MC_ILLEGAL_ADDRESS
 795  */
 796 static int      SkAddrGmacMcAdd(
 797 SK_AC           *pAC,           /* adapter context */
 798 SK_IOC          IoC,            /* I/O context */
 799 SK_U32          PortNumber,     /* Port Number */
 800 SK_MAC_ADDR     *pMc,           /* multicast address to be added */
 801 int             Flags)          /* permanent/non-permanent */
 802 {
 803         int     i;
 804 #ifndef SK_ADDR_CHEAT
 805         SK_U32 HashBit;
 806 #endif  /* !defined(SK_ADDR_CHEAT) */
 807
 808         if (!(pMc->a[0] & SK_MC_BIT)) {
 809                 /* Hashing only possible with multicast addresses */
 810                 return (SK_MC_ILLEGAL_ADDRESS);
 811         }
 812
 813 #ifndef SK_ADDR_CHEAT
 814
 815         /* Compute hash value of address. */
 816         HashBit = SkGmacMcHash(&pMc->a[0]);
 817
 818         if (Flags & SK_ADDR_PERMANENT) {        /* permanent => RLMT */
 819
 820                 /* Add bit to InexactRlmtFilter. */
 821                 pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[HashBit / 8] |=
 822                         1 << (HashBit % 8);
 823
 824                 /* Copy bit to InexactFilter. */
 825                 for (i = 0; i < 8; i++) {
 826                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] |=
 827                                 pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[i];
 828                 }
 829 #ifdef DEBUG
 830                 SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
 831                 ("GMAC InexactRlmtFilter: %02X %02X %02X %02X %02X %02X %02X %02X\n",
 832                         pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[0],
 833                         pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[1],
 834                         pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[2],
 835                         pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[3],
 836                         pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[4],
 837                         pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[5],
 838                         pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[6],
 839                         pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[7]))
 840 #endif  /* DEBUG */
 841         }
 842         else {  /* not permanent => DRV */
 843
 844                 /* Add bit to InexactDrvFilter. */
 845                 pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[HashBit / 8] |=
 846                         1 << (HashBit % 8);
 847
 848                 /* Copy bit to InexactFilter. */
 849                 for (i = 0; i < 8; i++) {
 850                         pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] |=
 851                                 pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[i];
 852                 }
 853 #ifdef DEBUG
 854                 SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
 855                 ("GMAC InexactDrvFilter: %02X %02X %02X %02X %02X %02X %02X %02X\n",
 856                         pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[0],
 857                         pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[1],
 858                         pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[2],
 859                         pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[3],
 860                         pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[4],
 861                         pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[5],
 862                         pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[6],
 863                         pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[7]))
 864 #endif  /* DEBUG */
 865         }
 866
 867 #else   /* SK_ADDR_CHEAT */
 868
 869         /* Set all bits in InexactFilter. */
 870         for (i = 0; i < 8; i++) {
 871                 pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] = 0xFF;
 872         }
 873 #endif  /* SK_ADDR_CHEAT */
 874
 875         return (SK_MC_FILTERING_INEXACT);
 876
 877 }       /* SkAddrGmacMcAdd */
 878
 879 #endif /* !SK_SLIM */
 880
 881 /******************************************************************************
 882  *
 883  *      SkAddrMcUpdate - update the HW MC address table and set the MAC address
 884  *
 885  * Description:
 886  *      This routine enables reception of the addresses contained in a local
 887  *      table for a given port.
 888  *      It also programs the port's current physical MAC address.
 889  *
 890  *      It calls either SkAddrXmacMcUpdate or SkAddrGmacMcUpdate, according
 891  *      to the adapter in use. The real work is done there.
 892  *
 893  * Notes:
 894  *      The return code is only valid for SK_PROM_MODE_NONE.
 895  *
 896  * Context:
 897  *      runtime, pageable
 898  *      may be called after SK_INIT_IO
 899  *
 900  * Returns:
 901  *      SK_MC_FILTERING_EXACT
 902  *      SK_MC_FILTERING_INEXACT
 903  *      SK_ADDR_ILLEGAL_PORT
 904  */
 905 int     SkAddrMcUpdate(
 906 SK_AC   *pAC,           /* adapter context */
 907 SK_IOC  IoC,            /* I/O context */
 908 SK_U32  PortNumber)     /* Port Number */
 909 {
 910         int ReturnCode = 0;
 911 #if (!defined(SK_SLIM) || defined(DEBUG))
 912         if (PortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
 913                 return (SK_ADDR_ILLEGAL_PORT);
 914         }
 915 #endif /* !SK_SLIM || DEBUG */
 916
 917 #ifdef GENESIS
 918         if (pAC->GIni.GIGenesis) {
 919                 ReturnCode = SkAddrXmacMcUpdate(pAC, IoC, PortNumber);
 920         }
 921 #endif /* GENESIS */
 922 #ifdef YUKON
 923         if (!pAC->GIni.GIGenesis) {
 924                 ReturnCode = SkAddrGmacMcUpdate(pAC, IoC, PortNumber);
 925         }
 926 #endif /* YUKON */
 927         return (ReturnCode);
 928
 929 }       /* SkAddrMcUpdate */
 930
 931
 932 #ifdef GENESIS
 933
 934 /******************************************************************************
 935  *
 936  *      SkAddrXmacMcUpdate - update the HW MC address table and set the MAC address
 937  *
 938  * Description:
 939  *      This routine enables reception of the addresses contained in a local
 940  *      table for a given port.
 941  *      It also programs the port's current physical MAC address.
 942  *
 943  * Notes:
 944  *      The return code is only valid for SK_PROM_MODE_NONE.
 945  *
 946  * Context:
 947  *      runtime, pageable
 948  *      may be called after SK_INIT_IO
 949  *
 950  * Returns:
 951  *      SK_MC_FILTERING_EXACT
 952  *      SK_MC_FILTERING_INEXACT
 953  *      SK_ADDR_ILLEGAL_PORT
 954  */
 955 static int      SkAddrXmacMcUpdate(
 956 SK_AC   *pAC,           /* adapter context */
 957 SK_IOC  IoC,            /* I/O context */
 958 SK_U32  PortNumber)     /* Port Number */
 959 {
 960         SK_U32          i;
 961         SK_U8           Inexact;
 962         SK_U16          *OutAddr;
 963         SK_ADDR_PORT    *pAPort;
 964
 965         SK_DBG_MSG(pAC,SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
 966                 ("SkAddrXmacMcUpdate on Port %u.\n", PortNumber))
 967
 968         pAPort = &pAC->Addr.Port[PortNumber];
 969
 970 #ifdef DEBUG
 971         SK_DBG_MSG(pAC,SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
 972                 ("Next0 on Port %d: %d\n", PortNumber, Next0[PortNumber]))
 973 #endif /* DEBUG */
 974
 975         /* Start with 0 to also program the logical MAC address. */
 976         for (i = 0; i < pAPort->NextExactMatchRlmt; i++) {
 977                 /* Set exact match address i on XMAC */
 978                 OutAddr = (SK_U16 *) &pAPort->Exact[i].a[0];
 979                 XM_OUTADDR(IoC, PortNumber, XM_EXM(i), OutAddr);
 980         }
 981
 982         /* Clear other permanent exact match addresses on XMAC */
 983         if (pAPort->NextExactMatchRlmt <= SK_ADDR_LAST_MATCH_RLMT) {
 984
 985                 SkXmClrExactAddr(pAC, IoC, PortNumber, pAPort->NextExactMatchRlmt,
 986                         SK_ADDR_LAST_MATCH_RLMT);
 987         }
 988
 989         for (i = pAPort->FirstExactMatchDrv; i < pAPort->NextExactMatchDrv; i++) {
 990                 OutAddr = (SK_U16 *) &pAPort->Exact[i].a[0];
 991                 XM_OUTADDR(IoC, PortNumber, XM_EXM(i), OutAddr);
 992         }
 993
 994         /* Clear other non-permanent exact match addresses on XMAC */
 995         if (pAPort->NextExactMatchDrv <= SK_ADDR_LAST_MATCH_DRV) {
 996
 997                 SkXmClrExactAddr(pAC, IoC, PortNumber, pAPort->NextExactMatchDrv,
 998                         SK_ADDR_LAST_MATCH_DRV);
 999         }
1000
1001         for (Inexact = 0, i = 0; i < 8; i++) {
1002                 Inexact |= pAPort->InexactFilter.Bytes[i];
1003         }
1004
1005         if (pAPort->PromMode & SK_PROM_MODE_ALL_MC) {
1006
1007                 /* Set all bits in 64-bit hash register. */
1008                 XM_OUTHASH(IoC, PortNumber, XM_HSM, &OnesHash);
1009
1010                 /* Enable Hashing */
1011                 SkMacHashing(pAC, IoC, (int) PortNumber, SK_TRUE);
1012         }
1013         else if (Inexact != 0) {
1014
1015                 /* Set 64-bit hash register to InexactFilter. */
1016                 XM_OUTHASH(IoC, PortNumber, XM_HSM, &pAPort->InexactFilter.Bytes[0]);
1017
1018                 /* Enable Hashing */
1019                 SkMacHashing(pAC, IoC, (int) PortNumber, SK_TRUE);
1020         }
1021         else {
1022                 /* Disable Hashing */
1023                 SkMacHashing(pAC, IoC, (int) PortNumber, SK_FALSE);
1024         }
1025
1026         if (pAPort->PromMode != SK_PROM_MODE_NONE) {
1027                 (void) SkAddrXmacPromiscuousChange(pAC, IoC, PortNumber, pAPort->PromMode);
1028         }
1029
1030         /* Set port's current physical MAC address. */
1031         OutAddr = (SK_U16 *) &pAPort->CurrentMacAddress.a[0];
1032
1033         XM_OUTADDR(IoC, PortNumber, XM_SA, OutAddr);
1034
1035 #ifdef xDEBUG
1036         for (i = 0; i < pAPort->NextExactMatchRlmt; i++) {
1037                 SK_U8           InAddr8[6];
1038                 SK_U16          *InAddr;
1039
1040                 /* Get exact match address i from port PortNumber. */
1041                 InAddr = (SK_U16 *) &InAddr8[0];
1042
1043                 XM_INADDR(IoC, PortNumber, XM_EXM(i), InAddr);
1044
1045                 SK_DBG_MSG(pAC,SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
1046                         ("SkAddrXmacMcUpdate: MC address %d on Port %u: ",
1047                          "%02x %02x %02x %02x %02x %02x -- %02x %02x %02x %02x %02x %02x\n",
1048                                 i,
1049                                 PortNumber,
1050                                 InAddr8[0],
1051                                 InAddr8[1],
1052                                 InAddr8[2],
1053                                 InAddr8[3],
1054                                 InAddr8[4],
1055                                 InAddr8[5],
1056                                 pAPort->Exact[i].a[0],
1057                                 pAPort->Exact[i].a[1],
1058                                 pAPort->Exact[i].a[2],
1059                                 pAPort->Exact[i].a[3],
1060                                 pAPort->Exact[i].a[4],
1061                                 pAPort->Exact[i].a[5]))
1062         }
1063 #endif /* DEBUG */
1064
1065         /* Determine return value. */
1066         if (Inexact == 0 && pAPort->PromMode == 0) {
1067                 return (SK_MC_FILTERING_EXACT);
1068         }
1069         else {
1070                 return (SK_MC_FILTERING_INEXACT);
1071         }
1072
1073 }       /* SkAddrXmacMcUpdate */
1074
1075 #endif  /* GENESIS */
1076
1077 #ifdef YUKON
1078
1079 /******************************************************************************
1080  *
1081  *      SkAddrGmacMcUpdate - update the HW MC address table and set the MAC address
1082  *
1083  * Description:
1084  *      This routine enables reception of the addresses contained in a local
1085  *      table for a given port.
1086  *      It also programs the port's current physical MAC address.
1087  *
1088  * Notes:
1089  *      The return code is only valid for SK_PROM_MODE_NONE.
1090  *
1091  * Context:
1092  *      runtime, pageable
1093  *      may be called after SK_INIT_IO
1094  *
1095  * Returns:
1096  *      SK_MC_FILTERING_EXACT
1097  *      SK_MC_FILTERING_INEXACT
1098  *      SK_ADDR_ILLEGAL_PORT
1099  */
1100 static int      SkAddrGmacMcUpdate(
1101 SK_AC   *pAC,           /* adapter context */
1102 SK_IOC  IoC,            /* I/O context */
1103 SK_U32  PortNumber)     /* Port Number */
1104 {
1105 #ifndef SK_SLIM
1106         SK_U32          i;
1107         SK_U8           Inexact;
1108 #endif  /* not SK_SLIM */
1109         SK_U16          *OutAddr;
1110         SK_ADDR_PORT    *pAPort;
1111
1112         SK_DBG_MSG(pAC,SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
1113                 ("SkAddrGmacMcUpdate on Port %u.\n", PortNumber))
1114
1115         pAPort = &pAC->Addr.Port[PortNumber];
1116
1117 #ifdef DEBUG
1118         SK_DBG_MSG(pAC,SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
1119                 ("Next0 on Port %d: %d\n", PortNumber, Next0[PortNumber]))
1120 #endif /* DEBUG */
1121
1122 #ifndef SK_SLIM
1123         for (Inexact = 0, i = 0; i < 8; i++) {
1124                 Inexact |= pAPort->InexactFilter.Bytes[i];
1125         }
1126
1127         /* Set 64-bit hash register to InexactFilter. */
1128         GM_OUTHASH(IoC, PortNumber, GM_MC_ADDR_H1,
1129                 &pAPort->InexactFilter.Bytes[0]);
1130
1131         if (pAPort->PromMode & SK_PROM_MODE_ALL_MC) {
1132
1133                 /* Set all bits in 64-bit hash register. */
1134                 GM_OUTHASH(IoC, PortNumber, GM_MC_ADDR_H1, &OnesHash);
1135
1136                 /* Enable Hashing */
1137                 SkMacHashing(pAC, IoC, (int) PortNumber, SK_TRUE);
1138         }
1139         else {
1140                 /* Enable Hashing. */
1141                 SkMacHashing(pAC, IoC, (int) PortNumber, SK_TRUE);
1142         }
1143
1144         if (pAPort->PromMode != SK_PROM_MODE_NONE) {
1145                 (void) SkAddrGmacPromiscuousChange(pAC, IoC, PortNumber, pAPort->PromMode);
1146         }
1147 #else /* SK_SLIM */
1148
1149         /* Set all bits in 64-bit hash register. */
1150         GM_OUTHASH(IoC, PortNumber, GM_MC_ADDR_H1, &OnesHash);
1151
1152         /* Enable Hashing */
1153         SkMacHashing(pAC, IoC, (int) PortNumber, SK_TRUE);
1154
1155         (void) SkAddrGmacPromiscuousChange(pAC, IoC, PortNumber, pAPort->PromMode);
1156
1157 #endif /* SK_SLIM */
1158
1159         /* Set port's current physical MAC address. */
1160         OutAddr = (SK_U16 *) &pAPort->CurrentMacAddress.a[0];
1161         GM_OUTADDR(IoC, PortNumber, GM_SRC_ADDR_1L, OutAddr);
1162
1163         /* Set port's current logical MAC address. */
1164         OutAddr = (SK_U16 *) &pAPort->Exact[0].a[0];
1165         GM_OUTADDR(IoC, PortNumber, GM_SRC_ADDR_2L, OutAddr);
1166
1167 #ifdef DEBUG
1168         SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
1169                 ("SkAddrGmacMcUpdate: Permanent Physical MAC Address: %02X %02X %02X %02X %02X %02X\n",
1170                         pAPort->Exact[0].a[0],
1171                         pAPort->Exact[0].a[1],
1172                         pAPort->Exact[0].a[2],
1173                         pAPort->Exact[0].a[3],
1174                         pAPort->Exact[0].a[4],
1175                         pAPort->Exact[0].a[5]))
1176
1177         SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
1178                 ("SkAddrGmacMcUpdate: Physical MAC Address: %02X %02X %02X %02X %02X %02X\n",
1179                         pAPort->CurrentMacAddress.a[0],
1180                         pAPort->CurrentMacAddress.a[1],
1181                         pAPort->CurrentMacAddress.a[2],
1182                         pAPort->CurrentMacAddress.a[3],
1183                         pAPort->CurrentMacAddress.a[4],
1184                         pAPort->CurrentMacAddress.a[5]))
1185 #endif /* DEBUG */
1186
1187 #ifndef SK_SLIM
1188         /* Determine return value. */
1189         if (Inexact == 0 && pAPort->PromMode == 0) {
1190                 return (SK_MC_FILTERING_EXACT);
1191         }
1192         else {
1193                 return (SK_MC_FILTERING_INEXACT);
1194         }
1195 #else /* SK_SLIM */
1196         return (SK_MC_FILTERING_INEXACT);
1197 #endif /* SK_SLIM */
1198
1199 }       /* SkAddrGmacMcUpdate */
1200
1201 #endif /* YUKON */
1202
1203 #ifndef SK_NO_MAO
1204
1205 /******************************************************************************
1206  *
1207  *      SkAddrOverride - override a port's MAC address
1208  *
1209  * Description:
1210  *      This routine overrides the MAC address of one port.
1211  *
1212  * Context:
1213  *      runtime, pageable
1214  *      may be called after SK_INIT_IO
1215  *
1216  * Returns:
1217  *      SK_ADDR_SUCCESS if successful.
1218  *      SK_ADDR_DUPLICATE_ADDRESS if duplicate MAC address.
1219  *      SK_ADDR_MULTICAST_ADDRESS if multicast or broadcast address.
1220  *      SK_ADDR_TOO_EARLY if SK_INIT_IO was not executed before.
1221  */
1222 int     SkAddrOverride(
1223 SK_AC           *pAC,                           /* adapter context */
1224 SK_IOC          IoC,                            /* I/O context */
1225 SK_U32          PortNumber,                     /* Port Number */
1226 SK_MAC_ADDR     SK_FAR *pNewAddr,       /* new MAC address */
1227 int                     Flags)                          /* logical/physical MAC address */
1228 {
1229 #ifndef SK_NO_RLMT
1230         SK_EVPARA       Para;
1231 #endif /* !SK_NO_RLMT */
1232         SK_U32          NetNumber;
1233         SK_U32          i;
1234         SK_U16          SK_FAR *OutAddr;
1235
1236 #ifndef SK_NO_RLMT
1237         NetNumber = pAC->Rlmt.Port[PortNumber].Net->NetNumber;
1238 #else
1239         NetNumber = 0;
1240 #endif /* SK_NO_RLMT */
1241 #if (!defined(SK_SLIM) || defined(DEBUG))
1242         if (PortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
1243                 return (SK_ADDR_ILLEGAL_PORT);
1244         }
1245 #endif /* !SK_SLIM || DEBUG */
1246         if (pNewAddr != NULL && (pNewAddr->a[0] & SK_MC_BIT) != 0) {
1247                 return (SK_ADDR_MULTICAST_ADDRESS);
1248         }
1249
1250         if (!pAC->Addr.Net[NetNumber].CurrentMacAddressSet) {
1251                 return (SK_ADDR_TOO_EARLY);
1252         }
1253
1254         if (Flags & SK_ADDR_SET_LOGICAL) {      /* Activate logical MAC address. */
1255                 /* Parameter *pNewAddr is ignored. */
1256                 for (i = 0; i < (SK_U32) pAC->GIni.GIMacsFound; i++) {
1257                         if (!pAC->Addr.Port[i].CurrentMacAddressSet) {
1258                                 return (SK_ADDR_TOO_EARLY);
1259                         }
1260                 }
1261 #ifndef SK_NO_RLMT
1262                 /* Set PortNumber to number of net's active port. */
1263                 PortNumber = pAC->Rlmt.Net[NetNumber].
1264                         Port[pAC->Addr.Net[NetNumber].ActivePort]->PortNumber;
1265 #endif /* !SK_NO_RLMT */
1266                 pAC->Addr.Port[PortNumber].Exact[0] =
1267                         pAC->Addr.Net[NetNumber].CurrentMacAddress;
1268
1269                 /* Write address to first exact match entry of active port. */
1270                 (void) SkAddrMcUpdate(pAC, IoC, PortNumber);
1271         }
1272         else if (Flags & SK_ADDR_CLEAR_LOGICAL) {
1273                 /* Deactivate logical MAC address. */
1274                 /* Parameter *pNewAddr is ignored. */
1275                 for (i = 0; i < (SK_U32) pAC->GIni.GIMacsFound; i++) {
1276                         if (!pAC->Addr.Port[i].CurrentMacAddressSet) {
1277                                 return (SK_ADDR_TOO_EARLY);
1278                         }
1279                 }
1280 #ifndef SK_NO_RLMT
1281                 /* Set PortNumber to number of net's active port. */
1282                 PortNumber = pAC->Rlmt.Net[NetNumber].
1283                         Port[pAC->Addr.Net[NetNumber].ActivePort]->PortNumber;
1284 #endif /* !SK_NO_RLMT */
1285                 for (i = 0; i < SK_MAC_ADDR_LEN; i++ ) {
1286                         pAC->Addr.Port[PortNumber].Exact[0].a[i] = 0;
1287                 }
1288
1289                 /* Write address to first exact match entry of active port. */
1290                 (void) SkAddrMcUpdate(pAC, IoC, PortNumber);
1291         }
1292         else if (Flags & SK_ADDR_PHYSICAL_ADDRESS) {    /* Physical MAC address. */
1293                 if (SK_ADDR_EQUAL(pNewAddr->a,
1294                         pAC->Addr.Net[NetNumber].CurrentMacAddress.a)) {
1295                         return (SK_ADDR_DUPLICATE_ADDRESS);
1296                 }
1297
1298                 for (i = 0; i < (SK_U32) pAC->GIni.GIMacsFound; i++) {
1299                         if (!pAC->Addr.Port[i].CurrentMacAddressSet) {
1300                                 return (SK_ADDR_TOO_EARLY);
1301                         }
1302
1303                         if (SK_ADDR_EQUAL(pNewAddr->a,
1304                                 pAC->Addr.Port[i].CurrentMacAddress.a)) {
1305                                 if (i == PortNumber) {
1306                                         return (SK_ADDR_SUCCESS);
1307                                 }
1308                                 else {
1309                                         return (SK_ADDR_DUPLICATE_ADDRESS);
1310                                 }
1311                         }
1312                 }
1313
1314                 pAC->Addr.Port[PortNumber].PreviousMacAddress =
1315                         pAC->Addr.Port[PortNumber].CurrentMacAddress;
1316                 pAC->Addr.Port[PortNumber].CurrentMacAddress = *pNewAddr;
1317
1318                 /* Change port's physical MAC address. */
1319                 OutAddr = (SK_U16 SK_FAR *) pNewAddr;
1320 #ifdef GENESIS
1321                 if (pAC->GIni.GIGenesis) {
1322                         XM_OUTADDR(IoC, PortNumber, XM_SA, OutAddr);
1323                 }
1324 #endif /* GENESIS */
1325 #ifdef YUKON
1326                 if (!pAC->GIni.GIGenesis) {
1327                         GM_OUTADDR(IoC, PortNumber, GM_SRC_ADDR_1L, OutAddr);
1328                 }
1329 #endif /* YUKON */
1330
1331 #ifndef SK_NO_RLMT
1332                 /* Report address change to RLMT. */
1333                 Para.Para32[0] = PortNumber;
1334                 Para.Para32[0] = -1;
1335                 SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_PORT_ADDR, Para);
1336 #endif /* !SK_NO_RLMT */
1337         }
1338         else {  /* Logical MAC address. */
1339                 if (SK_ADDR_EQUAL(pNewAddr->a,
1340                         pAC->Addr.Net[NetNumber].CurrentMacAddress.a)) {
1341                         return (SK_ADDR_SUCCESS);
1342                 }
1343
1344                 for (i = 0; i < (SK_U32) pAC->GIni.GIMacsFound; i++) {
1345                         if (!pAC->Addr.Port[i].CurrentMacAddressSet) {
1346                                 return (SK_ADDR_TOO_EARLY);
1347                         }
1348
1349                         if (SK_ADDR_EQUAL(pNewAddr->a,
1350                                 pAC->Addr.Port[i].CurrentMacAddress.a)) {
1351                                 return (SK_ADDR_DUPLICATE_ADDRESS);
1352                         }
1353                 }
1354
1355                 /*
1356                  * In case that the physical and the logical MAC addresses are equal
1357                  * we must also change the physical MAC address here.
1358                  * In this case we have an adapter which initially was programmed with
1359                  * two identical MAC addresses.
1360                  */
1361                 if (SK_ADDR_EQUAL(pAC->Addr.Port[PortNumber].CurrentMacAddress.a,
1362                                 pAC->Addr.Port[PortNumber].Exact[0].a)) {
1363
1364                         pAC->Addr.Port[PortNumber].PreviousMacAddress =
1365                                 pAC->Addr.Port[PortNumber].CurrentMacAddress;
1366                         pAC->Addr.Port[PortNumber].CurrentMacAddress = *pNewAddr;
1367
1368 #ifndef SK_NO_RLMT
1369                         /* Report address change to RLMT. */
1370                         Para.Para32[0] = PortNumber;
1371                         Para.Para32[0] = -1;
1372                         SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_PORT_ADDR, Para);
1373 #endif /* !SK_NO_RLMT */
1374                 }
1375
1376 #ifndef SK_NO_RLMT
1377                 /* Set PortNumber to number of net's active port. */
1378                 PortNumber = pAC->Rlmt.Net[NetNumber].
1379                         Port[pAC->Addr.Net[NetNumber].ActivePort]->PortNumber;
1380 #endif /* !SK_NO_RLMT */
1381                 pAC->Addr.Net[NetNumber].CurrentMacAddress = *pNewAddr;
1382                 pAC->Addr.Port[PortNumber].Exact[0] = *pNewAddr;
1383 #ifdef DEBUG
1384                 SK_DBG_MSG(pAC,SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
1385                         ("SkAddrOverride: Permanent MAC Address: %02X %02X %02X %02X %02X %02X\n",
1386                                 pAC->Addr.Net[NetNumber].PermanentMacAddress.a[0],
1387                                 pAC->Addr.Net[NetNumber].PermanentMacAddress.a[1],
1388                                 pAC->Addr.Net[NetNumber].PermanentMacAddress.a[2],
1389                                 pAC->Addr.Net[NetNumber].PermanentMacAddress.a[3],
1390                                 pAC->Addr.Net[NetNumber].PermanentMacAddress.a[4],
1391                                 pAC->Addr.Net[NetNumber].PermanentMacAddress.a[5]))
1392
1393                 SK_DBG_MSG(pAC,SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
1394                         ("SkAddrOverride: New logical MAC Address: %02X %02X %02X %02X %02X %02X\n",
1395                                 pAC->Addr.Net[NetNumber].CurrentMacAddress.a[0],
1396                                 pAC->Addr.Net[NetNumber].CurrentMacAddress.a[1],
1397                                 pAC->Addr.Net[NetNumber].CurrentMacAddress.a[2],
1398                                 pAC->Addr.Net[NetNumber].CurrentMacAddress.a[3],
1399                                 pAC->Addr.Net[NetNumber].CurrentMacAddress.a[4],
1400                                 pAC->Addr.Net[NetNumber].CurrentMacAddress.a[5]))
1401 #endif /* DEBUG */
1402
1403         /* Write address to first exact match entry of active port. */
1404                 (void) SkAddrMcUpdate(pAC, IoC, PortNumber);
1405         }
1406
1407         return (SK_ADDR_SUCCESS);
1408
1409 }       /* SkAddrOverride */
1410
1411
1412 #endif /* SK_NO_MAO */
1413
1414 /******************************************************************************
1415  *
1416  *      SkAddrPromiscuousChange - set promiscuous mode for given port
1417  *
1418  * Description:
1419  *      This routine manages promiscuous mode:
1420  *      - none
1421  *      - all LLC frames
1422  *      - all MC frames
1423  *
1424  *      It calls either SkAddrXmacPromiscuousChange or
1425  *      SkAddrGmacPromiscuousChange, according to the adapter in use.
1426  *      The real work is done there.
1427  *
1428  * Context:
1429  *      runtime, pageable
1430  *      may be called after SK_INIT_IO
1431  *
1432  * Returns:
1433  *      SK_ADDR_SUCCESS
1434  *      SK_ADDR_ILLEGAL_PORT
1435  */
1436 int     SkAddrPromiscuousChange(
1437 SK_AC   *pAC,                   /* adapter context */
1438 SK_IOC  IoC,                    /* I/O context */
1439 SK_U32  PortNumber,             /* port whose promiscuous mode changes */
1440 int             NewPromMode)    /* new promiscuous mode */
1441 {
1442         int ReturnCode = 0;
1443 #if (!defined(SK_SLIM) || defined(DEBUG))
1444         if (PortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
1445                 return (SK_ADDR_ILLEGAL_PORT);
1446         }
1447 #endif /* !SK_SLIM || DEBUG */
1448
1449 #ifdef GENESIS
1450         if (pAC->GIni.GIGenesis) {
1451                 ReturnCode =
1452                         SkAddrXmacPromiscuousChange(pAC, IoC, PortNumber, NewPromMode);
1453         }
1454 #endif /* GENESIS */
1455 #ifdef YUKON
1456         if (!pAC->GIni.GIGenesis) {
1457                 ReturnCode =
1458                         SkAddrGmacPromiscuousChange(pAC, IoC, PortNumber, NewPromMode);
1459         }
1460 #endif /* YUKON */
1461
1462         return (ReturnCode);
1463
1464 }       /* SkAddrPromiscuousChange */
1465
1466 #ifdef GENESIS
1467
1468 /******************************************************************************
1469  *
1470  *      SkAddrXmacPromiscuousChange - set promiscuous mode for given port
1471  *
1472  * Description:
1473  *      This routine manages promiscuous mode:
1474  *      - none
1475  *      - all LLC frames
1476  *      - all MC frames
1477  *
1478  * Context:
1479  *      runtime, pageable
1480  *      may be called after SK_INIT_IO
1481  *
1482  * Returns:
1483  *      SK_ADDR_SUCCESS
1484  *      SK_ADDR_ILLEGAL_PORT
1485  */
1486 static int      SkAddrXmacPromiscuousChange(
1487 SK_AC   *pAC,                   /* adapter context */
1488 SK_IOC  IoC,                    /* I/O context */
1489 SK_U32  PortNumber,             /* port whose promiscuous mode changes */
1490 int             NewPromMode)    /* new promiscuous mode */
1491 {
1492         int                     i;
1493         SK_BOOL         InexactModeBit;
1494         SK_U8           Inexact;
1495         SK_U8           HwInexact;
1496         SK_FILTER64     HwInexactFilter;
1497         SK_U16          LoMode;         /* Lower 16 bits of XMAC Mode Register. */
1498         int                     CurPromMode = SK_PROM_MODE_NONE;
1499
1500         /* Read CurPromMode from Hardware. */
1501         XM_IN16(IoC, PortNumber, XM_MODE, &LoMode);
1502
1503         if ((LoMode & XM_MD_ENA_PROM) != 0) {
1504                 /* Promiscuous mode! */
1505                 CurPromMode |= SK_PROM_MODE_LLC;
1506         }
1507
1508         for (Inexact = 0xFF, i = 0; i < 8; i++) {
1509                 Inexact &= pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i];
1510         }
1511         if (Inexact == 0xFF) {
1512                 CurPromMode |= (pAC->Addr.Port[PortNumber].PromMode & SK_PROM_MODE_ALL_MC);
1513         }
1514         else {
1515                 /* Get InexactModeBit (bit XM_MD_ENA_HASH in mode register) */
1516                 XM_IN16(IoC, PortNumber, XM_MODE, &LoMode);
1517
1518                 InexactModeBit = (LoMode & XM_MD_ENA_HASH) != 0;
1519
1520                 /* Read 64-bit hash register from XMAC */
1521                 XM_INHASH(IoC, PortNumber, XM_HSM, &HwInexactFilter.Bytes[0]);
1522
1523                 for (HwInexact = 0xFF, i = 0; i < 8; i++) {
1524                         HwInexact &= HwInexactFilter.Bytes[i];
1525                 }
1526
1527                 if (InexactModeBit && (HwInexact == 0xFF)) {
1528                         CurPromMode |= SK_PROM_MODE_ALL_MC;
1529                 }
1530         }
1531
1532         pAC->Addr.Port[PortNumber].PromMode = NewPromMode;
1533
1534         if (NewPromMode == CurPromMode) {
1535                 return (SK_ADDR_SUCCESS);
1536         }
1537
1538         if ((NewPromMode & SK_PROM_MODE_ALL_MC) &&
1539                 !(CurPromMode & SK_PROM_MODE_ALL_MC)) { /* All MC. */
1540
1541                 /* Set all bits in 64-bit hash register. */
1542                 XM_OUTHASH(IoC, PortNumber, XM_HSM, &OnesHash);
1543
1544                 /* Enable Hashing */
1545                 SkMacHashing(pAC, IoC, (int) PortNumber, SK_TRUE);
1546         }
1547         else if ((CurPromMode & SK_PROM_MODE_ALL_MC) &&
1548                 !(NewPromMode & SK_PROM_MODE_ALL_MC)) { /* Norm MC. */
1549                 for (Inexact = 0, i = 0; i < 8; i++) {
1550                         Inexact |= pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i];
1551                 }
1552                 if (Inexact == 0) {
1553                         /* Disable Hashing */
1554                         SkMacHashing(pAC, IoC, (int) PortNumber, SK_FALSE);
1555                 }
1556                 else {
1557                         /* Set 64-bit hash register to InexactFilter. */
1558                         XM_OUTHASH(IoC, PortNumber, XM_HSM,
1559                                 &pAC->Addr.Port[PortNumber].InexactFilter.Bytes[0]);
1560
1561                         /* Enable Hashing */
1562                         SkMacHashing(pAC, IoC, (int) PortNumber, SK_TRUE);
1563                 }
1564         }
1565
1566         if ((NewPromMode & SK_PROM_MODE_LLC) &&
1567                 !(CurPromMode & SK_PROM_MODE_LLC)) {    /* Prom. LLC */
1568                 /* Set the MAC in Promiscuous Mode */
1569                 SkMacPromiscMode(pAC, IoC, (int) PortNumber, SK_TRUE);
1570         }
1571         else if ((CurPromMode & SK_PROM_MODE_LLC) &&
1572                 !(NewPromMode & SK_PROM_MODE_LLC)) {    /* Norm. LLC. */
1573                 /* Clear Promiscuous Mode */
1574                 SkMacPromiscMode(pAC, IoC, (int) PortNumber, SK_FALSE);
1575         }
1576
1577         return (SK_ADDR_SUCCESS);
1578
1579 }       /* SkAddrXmacPromiscuousChange */
1580
1581 #endif /* GENESIS */
1582
1583 #ifdef YUKON
1584
1585 /******************************************************************************
1586  *
1587  *      SkAddrGmacPromiscuousChange - set promiscuous mode for given port
1588  *
1589  * Description:
1590  *      This routine manages promiscuous mode:
1591  *      - none
1592  *      - all LLC frames
1593  *      - all MC frames
1594  *
1595  * Context:
1596  *      runtime, pageable
1597  *      may be called after SK_INIT_IO
1598  *
1599  * Returns:
1600  *      SK_ADDR_SUCCESS
1601  *      SK_ADDR_ILLEGAL_PORT
1602  */
1603 static int      SkAddrGmacPromiscuousChange(
1604 SK_AC   *pAC,                   /* adapter context */
1605 SK_IOC  IoC,                    /* I/O context */
1606 SK_U32  PortNumber,             /* port whose promiscuous mode changes */
1607 int             NewPromMode)    /* new promiscuous mode */
1608 {
1609         SK_U16          ReceiveControl; /* GMAC Receive Control Register */
1610         int             CurPromMode = SK_PROM_MODE_NONE;
1611
1612         /* Read CurPromMode from Hardware. */
1613         GM_IN16(IoC, PortNumber, GM_RX_CTRL, &ReceiveControl);
1614
1615         if ((ReceiveControl & (GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA)) == 0) {
1616                 /* Promiscuous mode! */
1617                 CurPromMode |= SK_PROM_MODE_LLC;
1618         }
1619
1620         if ((ReceiveControl & GM_RXCR_MCF_ENA) == 0) {
1621                 /* All Multicast mode! */
1622                 CurPromMode |= (pAC->Addr.Port[PortNumber].PromMode & SK_PROM_MODE_ALL_MC);
1623         }
1624
1625         pAC->Addr.Port[PortNumber].PromMode = NewPromMode;
1626
1627         if (NewPromMode == CurPromMode) {
1628                 return (SK_ADDR_SUCCESS);
1629         }
1630
1631         if ((NewPromMode & SK_PROM_MODE_ALL_MC) &&
1632                 !(CurPromMode & SK_PROM_MODE_ALL_MC)) { /* All MC */
1633
1634                 /* Set all bits in 64-bit hash register. */
1635                 GM_OUTHASH(IoC, PortNumber, GM_MC_ADDR_H1, &OnesHash);
1636
1637                 /* Enable Hashing */
1638                 SkMacHashing(pAC, IoC, (int) PortNumber, SK_TRUE);
1639         }
1640
1641         if ((CurPromMode & SK_PROM_MODE_ALL_MC) &&
1642                 !(NewPromMode & SK_PROM_MODE_ALL_MC)) { /* Norm. MC */
1643
1644                 /* Set 64-bit hash register to InexactFilter. */
1645                 GM_OUTHASH(IoC, PortNumber, GM_MC_ADDR_H1,
1646                         &pAC->Addr.Port[PortNumber].InexactFilter.Bytes[0]);
1647
1648                 /* Enable Hashing. */
1649                 SkMacHashing(pAC, IoC, (int) PortNumber, SK_TRUE);
1650         }
1651
1652         if ((NewPromMode & SK_PROM_MODE_LLC) &&
1653                 !(CurPromMode & SK_PROM_MODE_LLC)) {    /* Prom. LLC */
1654
1655                 /* Set the MAC to Promiscuous Mode. */
1656                 SkMacPromiscMode(pAC, IoC, (int) PortNumber, SK_TRUE);
1657         }
1658         else if ((CurPromMode & SK_PROM_MODE_LLC) &&
1659                 !(NewPromMode & SK_PROM_MODE_LLC)) {    /* Norm. LLC */
1660
1661                 /* Clear Promiscuous Mode. */
1662                 SkMacPromiscMode(pAC, IoC, (int) PortNumber, SK_FALSE);
1663         }
1664
1665         return (SK_ADDR_SUCCESS);
1666
1667 }       /* SkAddrGmacPromiscuousChange */
1668
1669 #endif /* YUKON */
1670
1671 #ifndef SK_SLIM
1672
1673 /******************************************************************************
1674  *
1675  *      SkAddrSwap - swap address info
1676  *
1677  * Description:
1678  *      This routine swaps address info of two ports.
1679  *
1680  * Context:
1681  *      runtime, pageable
1682  *      may be called after SK_INIT_IO
1683  *
1684  * Returns:
1685  *      SK_ADDR_SUCCESS
1686  *      SK_ADDR_ILLEGAL_PORT
1687  */
1688 int     SkAddrSwap(
1689 SK_AC   *pAC,                   /* adapter context */
1690 SK_IOC  IoC,                    /* I/O context */
1691 SK_U32  FromPortNumber,         /* Port1 Index */
1692 SK_U32  ToPortNumber)           /* Port2 Index */
1693 {
1694         int                     i;
1695         SK_U8           Byte;
1696         SK_MAC_ADDR     MacAddr;
1697         SK_U32          DWord;
1698
1699         if (FromPortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
1700                 return (SK_ADDR_ILLEGAL_PORT);
1701         }
1702
1703         if (ToPortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
1704                 return (SK_ADDR_ILLEGAL_PORT);
1705         }
1706
1707         if (pAC->Rlmt.Port[FromPortNumber].Net != pAC->Rlmt.Port[ToPortNumber].Net) {
1708                 return (SK_ADDR_ILLEGAL_PORT);
1709         }
1710
1711         /*
1712          * Swap:
1713          * - Exact Match Entries (GEnesis and Yukon)
1714          *   Yukon uses first entry for the logical MAC
1715          *   address (stored in the second GMAC register).
1716          * - FirstExactMatchRlmt (GEnesis only)
1717          * - NextExactMatchRlmt (GEnesis only)
1718          * - FirstExactMatchDrv (GEnesis only)
1719          * - NextExactMatchDrv (GEnesis only)
1720          * - 64-bit filter (InexactFilter)
1721          * - Promiscuous Mode
1722          * of ports.
1723          */
1724
1725         for (i = 0; i < SK_ADDR_EXACT_MATCHES; i++) {
1726                 MacAddr = pAC->Addr.Port[FromPortNumber].Exact[i];
1727                 pAC->Addr.Port[FromPortNumber].Exact[i] =
1728                         pAC->Addr.Port[ToPortNumber].Exact[i];
1729                 pAC->Addr.Port[ToPortNumber].Exact[i] = MacAddr;
1730         }
1731
1732         for (i = 0; i < 8; i++) {
1733                 Byte = pAC->Addr.Port[FromPortNumber].InexactFilter.Bytes[i];
1734                 pAC->Addr.Port[FromPortNumber].InexactFilter.Bytes[i] =
1735                         pAC->Addr.Port[ToPortNumber].InexactFilter.Bytes[i];
1736                 pAC->Addr.Port[ToPortNumber].InexactFilter.Bytes[i] = Byte;
1737         }
1738
1739         i = pAC->Addr.Port[FromPortNumber].PromMode;
1740         pAC->Addr.Port[FromPortNumber].PromMode = pAC->Addr.Port[ToPortNumber].PromMode;
1741         pAC->Addr.Port[ToPortNumber].PromMode = i;
1742
1743         if (pAC->GIni.GIGenesis) {
1744                 DWord = pAC->Addr.Port[FromPortNumber].FirstExactMatchRlmt;
1745                 pAC->Addr.Port[FromPortNumber].FirstExactMatchRlmt =
1746                         pAC->Addr.Port[ToPortNumber].FirstExactMatchRlmt;
1747                 pAC->Addr.Port[ToPortNumber].FirstExactMatchRlmt = DWord;
1748
1749                 DWord = pAC->Addr.Port[FromPortNumber].NextExactMatchRlmt;
1750                 pAC->Addr.Port[FromPortNumber].NextExactMatchRlmt =
1751                         pAC->Addr.Port[ToPortNumber].NextExactMatchRlmt;
1752                 pAC->Addr.Port[ToPortNumber].NextExactMatchRlmt = DWord;
1753
1754                 DWord = pAC->Addr.Port[FromPortNumber].FirstExactMatchDrv;
1755                 pAC->Addr.Port[FromPortNumber].FirstExactMatchDrv =
1756                         pAC->Addr.Port[ToPortNumber].FirstExactMatchDrv;
1757                 pAC->Addr.Port[ToPortNumber].FirstExactMatchDrv = DWord;
1758
1759                 DWord = pAC->Addr.Port[FromPortNumber].NextExactMatchDrv;
1760                 pAC->Addr.Port[FromPortNumber].NextExactMatchDrv =
1761                         pAC->Addr.Port[ToPortNumber].NextExactMatchDrv;
1762                 pAC->Addr.Port[ToPortNumber].NextExactMatchDrv = DWord;
1763         }
1764
1765         /* CAUTION: Solution works if only ports of one adapter are in use. */
1766         for (i = 0; (SK_U32) i < pAC->Rlmt.Net[pAC->Rlmt.Port[ToPortNumber].
1767                 Net->NetNumber].NumPorts; i++) {
1768                 if (pAC->Rlmt.Net[pAC->Rlmt.Port[ToPortNumber].Net->NetNumber].
1769                         Port[i]->PortNumber == ToPortNumber) {
1770                         pAC->Addr.Net[pAC->Rlmt.Port[ToPortNumber].Net->NetNumber].
1771                                 ActivePort = i;
1772                         /* 20001207 RA: Was "ToPortNumber;". */
1773                 }
1774         }
1775
1776         (void) SkAddrMcUpdate(pAC, IoC, FromPortNumber);
1777         (void) SkAddrMcUpdate(pAC, IoC, ToPortNumber);
1778
1779         return (SK_ADDR_SUCCESS);
1780
1781 }       /* SkAddrSwap */
1782
1783 #endif /* !SK_SLIM */
1784
1785 #ifdef __cplusplus
1786 }
1787 #endif  /* __cplusplus */
1788