drivers/net : move net drivers to drivers/net

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 1879 insertions, 0 deletions

diff --git a/drivers/net/sk98lin/skaddr.c b/drivers/net/sk98lin/skaddr.c
new file mode 100644
index 0000000..ed79c04
--- /dev/null
+++ b/drivers/net/sk98lin/skaddr.c
@@ -0,0 +1,1879 @@
+/******************************************************************************
+ *
+ * Name:	skaddr.c
+ * Project:	GEnesis, PCI Gigabit Ethernet Adapter
+ * Version:	$Revision: 1.48 $
+ * Date:	$Date: 2003/02/12 17:09:37 $
+ * Purpose:	Manage Addresses (Multicast and Unicast) and Promiscuous Mode.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ *	(C)Copyright 1998-2002 SysKonnect GmbH.
+ *
+ *	This program is free software; you can redistribute it and/or modify
+ *	it under the terms of the GNU General Public License as published by
+ *	the Free Software Foundation; either version 2 of the License, or
+ *	(at your option) any later version.
+ *
+ *	The information in this file is provided "AS IS" without warranty.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * History:
+ *
+ *	$Log: skaddr.c,v $
+ *	Revision 1.48  2003/02/12 17:09:37  tschilli
+ *	Fix in SkAddrOverride() to set both (physical and logical) MAC addresses
+ *	in case that both addresses are identical.
+ *
+ *	Revision 1.47  2002/09/17 06:31:10  tschilli
+ *	Handling of SK_PROM_MODE_ALL_MC flag in SkAddrGmacMcUpdate()
+ *	and SkAddrGmacPromiscuousChange() fixed.
+ *	Editorial changes.
+ *
+ *	Revision 1.46  2002/08/22 07:55:41  tschilli
+ *	New function SkGmacMcHash() for GMAC multicast hashing algorithm added.
+ *	Editorial changes.
+ *
+ *	Revision 1.45  2002/08/15 12:29:35  tschilli
+ *	SkAddrGmacMcUpdate() and SkAddrGmacPromiscuousChange() changed.
+ *
+ *	Revision 1.44  2002/08/14 12:18:03  rschmidt
+ *	Replaced direct handling of MAC Hashing (XMAC and GMAC)
+ *	with routine SkMacHashing().
+ *	Replaced wrong 3rd para 'i' with 'PortNumber' in SkMacPromiscMode().
+ *
+ *	Revision 1.43  2002/08/13 09:37:43  rschmidt
+ *	Corrected some SK_DBG_MSG outputs.
+ *	Replaced wrong 2nd para pAC with IoC in SkMacPromiscMode().
+ *	Editorial changes.
+ *
+ *	Revision 1.42  2002/08/12 11:24:36  rschmidt
+ *	Remove setting of logical MAC address GM_SRC_ADDR_2 in SkAddrInit().
+ *	Replaced direct handling of MAC Promiscuous Mode (XMAC and GMAC)
+ *	with routine SkMacPromiscMode().
+ *	Editorial changes.
+ *
+ *	Revision 1.41  2002/06/10 13:52:18  tschilli
+ *	Changes for handling YUKON.
+ *	All changes are internally and not visible to the programmer
+ *	using this module.
+ *
+ *	Revision 1.40  2001/02/14 14:04:59  rassmann
+ *	Editorial changes.
+ *
+ *	Revision 1.39  2001/01/30 10:30:04  rassmann
+ *	Editorial changes.
+ *
+ *	Revision 1.38  2001/01/25 16:26:52  rassmann
+ *	Ensured that logical address overrides are done on net's active port.
+ *
+ *	Revision 1.37  2001/01/22 13:41:34  rassmann
+ *	Supporting two nets on dual-port adapters.
+ *
+ *	Revision 1.36  2000/08/07 11:10:39  rassmann
+ *	Editorial changes.
+ *
+ *	Revision 1.35  2000/05/04 09:38:41  rassmann
+ *	Editorial changes.
+ *	Corrected multicast address hashing.
+ *
+ *	Revision 1.34  1999/11/22 13:23:44  cgoos
+ *	Changed license header to GPL.
+ *
+ *	Revision 1.33  1999/05/28 10:56:06  rassmann
+ *	Editorial changes.
+ *
+ *	Revision 1.32  1999/03/31 10:59:20  rassmann
+ *	Returning Success instead of DupAddr if address shall be overridden
+ *	with same value.
+ *
+ *	Revision 1.31  1999/01/14 16:18:17  rassmann
+ *	Corrected multicast initialization.
+ *
+ *	Revision 1.30  1999/01/04 10:30:35  rassmann
+ *	SkAddrOverride only possible after SK_INIT_IO phase.
+ *
+ *	Revision 1.29  1998/12/29 13:13:10  rassmann
+ *	An address override is now preserved in the SK_INIT_IO phase.
+ *	All functions return an int now.
+ *	Extended parameter checking.
+ *
+ *	Revision 1.28  1998/12/01 11:45:53  rassmann
+ *	Code cleanup.
+ *
+ *	Revision 1.27  1998/12/01 09:22:49  rassmann
+ *	SkAddrMcAdd and SkAddrMcUpdate returned SK_MC_FILTERING_INEXACT
+ *	too often.
+ *
+ *	Revision 1.26  1998/11/24 12:39:44  rassmann
+ *	Reserved multicast entry for BPDU address.
+ *	13 multicast entries left for protocol.
+ *
+ *	Revision 1.25  1998/11/17 16:54:23  rassmann
+ *	Using exact match for up to 14 multicast addresses.
+ *	Still receiving all multicasts if more addresses are added.
+ *
+ *	Revision 1.24  1998/11/13 17:24:31  rassmann
+ *	Changed return value of SkAddrOverride to int.
+ *
+ *	Revision 1.23  1998/11/13 16:56:18  rassmann
+ *	Added macro SK_ADDR_COMPARE.
+ *	Changed return type of SkAddrOverride to SK_BOOL.
+ *
+ *	Revision 1.22  1998/11/04 17:06:17  rassmann
+ *	Corrected McUpdate and PromiscuousChange functions.
+ *
+ *	Revision 1.21  1998/10/29 14:34:04  rassmann
+ *	Clearing SK_ADDR struct at startup.
+ *
+ *	Revision 1.20  1998/10/28 18:16:34  rassmann
+ *	Avoiding I/Os before SK_INIT_RUN level.
+ *	Aligning InexactFilter.
+ *
+ *	Revision 1.19  1998/10/28 11:29:28  rassmann
+ *	Programming physical address in SkAddrMcUpdate.
+ *	Corrected programming of exact match entries.
+ *
+ *	Revision 1.18  1998/10/28 10:34:48  rassmann
+ *	Corrected reading of physical addresses.
+ *
+ *	Revision 1.17  1998/10/28 10:26:13  rassmann
+ *	Getting ports' current MAC addresses from EPROM now.
+ *	Added debug output.
+ *
+ *	Revision 1.16  1998/10/27 16:20:12  rassmann
+ *	Reading MAC address byte by byte.
+ *
+ *	Revision 1.15  1998/10/22 11:39:09  rassmann
+ *	Corrected signed/unsigned mismatches.
+ *
+ *	Revision 1.14  1998/10/19 17:12:35  rassmann
+ *	Syntax corrections.
+ *
+ *	Revision 1.13  1998/10/19 17:02:19  rassmann
+ *	Now reading permanent MAC addresses from CRF.
+ *
+ *	Revision 1.12  1998/10/15 15:15:48  rassmann
+ *	Changed Flags Parameters from SK_U8 to int.
+ *	Checked with lint.
+ *
+ *	Revision 1.11  1998/09/24 19:15:12  rassmann
+ *	Code cleanup.
+ *
+ *	Revision 1.10  1998/09/18 20:18:54  rassmann
+ *	Added HW access.
+ *	Implemented swapping.
+ *
+ *	Revision 1.9  1998/09/16 11:32:00  rassmann
+ *	Including skdrv1st.h again. :(
+ *
+ *	Revision 1.8  1998/09/16 11:09:34  rassmann
+ *	Syntax corrections.
+ *
+ *	Revision 1.7  1998/09/14 17:06:34  rassmann
+ *	Minor changes.
+ *
+ *	Revision 1.6  1998/09/07 08:45:41  rassmann
+ *	Syntax corrections.
+ *
+ *	Revision 1.5  1998/09/04 19:40:19  rassmann
+ *	Interface enhancements.
+ *
+ *	Revision 1.4  1998/09/04 12:14:12  rassmann
+ *	Interface cleanup.
+ *
+ *	Revision 1.3  1998/09/02 16:56:40  rassmann
+ *	Updated interface.
+ *
+ *	Revision 1.2  1998/08/27 14:26:09  rassmann
+ *	Updated interface.
+ *
+ *	Revision 1.1  1998/08/21 08:30:22  rassmann
+ *	First public version.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * Description:
+ *
+ * This module is intended to manage multicast addresses, address override,
+ * and promiscuous mode on GEnesis and Yukon adapters.
+ *
+ * Address Layout:
+ *	port address:		physical MAC address
+ *	1st exact match:	logical MAC address (GEnesis only)
+ *	2nd exact match:	RLMT multicast (GEnesis only)
+ *	exact match 3-13:	OS-specific multicasts (GEnesis only)
+ *
+ * Include File Hierarchy:
+ *
+ *	"skdrv1st.h"
+ *	"skdrv2nd.h"
+ *
+ ******************************************************************************/
+
+#include <config.h>
+
+#ifdef CONFIG_SK98
+
+#ifndef	lint
+static const char SysKonnectFileId[] =
+	"@(#) $Id: skaddr.c,v 1.48 2003/02/12 17:09:37 tschilli Exp $ (C) SysKonnect.";
+#endif	/* !defined(lint) */
+
+#define __SKADDR_C
+
+#ifdef __cplusplus
+#error C++ is not yet supported.
+extern "C" {
+#endif	/* cplusplus */
+
+#include "h/skdrv1st.h"
+#include "h/skdrv2nd.h"
+
+/* defines ********************************************************************/
+
+
+#define XMAC_POLY	0xEDB88320UL	/* CRC32-Poly - XMAC: Little Endian */
+#define GMAC_POLY	0x04C11DB7L	/* CRC16-Poly - GMAC: Little Endian */
+#define HASH_BITS	6				/* #bits in hash */
+#define	SK_MC_BIT	0x01
+
+/* Error numbers and messages. */
+
+#define SKERR_ADDR_E001		(SK_ERRBASE_ADDR + 0)
+#define SKERR_ADDR_E001MSG	"Bad Flags."
+#define SKERR_ADDR_E002		(SKERR_ADDR_E001 + 1)
+#define SKERR_ADDR_E002MSG	"New Error."
+
+/* typedefs *******************************************************************/
+
+/* None. */
+
+/* global variables ***********************************************************/
+
+/* 64-bit hash values with all bits set. */
+
+SK_U16	OnesHash[4] = {0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF};
+
+/* local variables ************************************************************/
+
+#ifdef DEBUG
+static int	Next0[SK_MAX_MACS] = {0, 0};
+#endif	/* DEBUG */
+
+/* functions ******************************************************************/
+
+/******************************************************************************
+ *
+ *	SkAddrInit - initialize data, set state to init
+ *
+ * Description:
+ *
+ *	SK_INIT_DATA
+ *	============
+ *
+ *	This routine clears the multicast tables and resets promiscuous mode.
+ *	Some entries are reserved for the "logical MAC address", the
+ *	SK-RLMT multicast address, and the BPDU multicast address.
+ *
+ *
+ *	SK_INIT_IO
+ *	==========
+ *
+ *	All permanent MAC addresses are read from EPROM.
+ *	If the current MAC addresses are not already set in software,
+ *	they are set to the values of the permanent addresses.
+ *	The current addresses are written to the corresponding MAC.
+ *
+ *
+ *	SK_INIT_RUN
+ *	===========
+ *
+ *	Nothing.
+ *
+ * Context:
+ *	init, pageable
+ *
+ * Returns:
+ *	SK_ADDR_SUCCESS
+ */
+int	SkAddrInit(
+SK_AC	*pAC,	/* the adapter context */
+SK_IOC	IoC,	/* I/O context */
+int		Level)	/* initialization level */
+{
+	int			j;
+	SK_U32		i;
+	SK_U8		*InAddr;
+	SK_U16		*OutAddr;
+	SK_ADDR_PORT	*pAPort;
+
+	switch (Level) {
+	case SK_INIT_DATA:
+		SK_MEMSET((char *) &pAC->Addr, 0, sizeof(SK_ADDR));
+
+		for (i = 0; i < SK_MAX_MACS; i++) {
+			pAPort = &pAC->Addr.Port[i];
+			pAPort->PromMode = SK_PROM_MODE_NONE;
+
+			pAPort->FirstExactMatchRlmt = SK_ADDR_FIRST_MATCH_RLMT;
+			pAPort->FirstExactMatchDrv = SK_ADDR_FIRST_MATCH_DRV;
+			pAPort->NextExactMatchRlmt = SK_ADDR_FIRST_MATCH_RLMT;
+			pAPort->NextExactMatchDrv = SK_ADDR_FIRST_MATCH_DRV;
+		}
+#ifdef xDEBUG
+		for (i = 0; i < SK_MAX_MACS; i++) {
+			if (pAC->Addr.Port[i].NextExactMatchRlmt <
+				SK_ADDR_FIRST_MATCH_RLMT) {
+				Next0[i] |= 4;
+			}
+		}
+#endif	/* DEBUG */
+		/* pAC->Addr.InitDone = SK_INIT_DATA; */
+		break;
+
+	case SK_INIT_IO:
+		for (i = 0; i < SK_MAX_NETS; i++) {
+			pAC->Addr.Net[i].ActivePort = pAC->Rlmt.Net[i].ActivePort;
+		}
+#ifdef xDEBUG
+		for (i = 0; i < SK_MAX_MACS; i++) {
+			if (pAC->Addr.Port[i].NextExactMatchRlmt <
+				SK_ADDR_FIRST_MATCH_RLMT) {
+				Next0[i] |= 8;
+			}
+		}
+#endif	/* DEBUG */
+
+		/* Read permanent logical MAC address from Control Register File. */
+		for (j = 0; j < SK_MAC_ADDR_LEN; j++) {
+			InAddr = (SK_U8 *) &pAC->Addr.Net[0].PermanentMacAddress.a[j];
+			SK_IN8(IoC, B2_MAC_1 + j, InAddr);
+		}
+
+		if (!pAC->Addr.Net[0].CurrentMacAddressSet) {
+			/* Set the current logical MAC address to the permanent one. */
+			pAC->Addr.Net[0].CurrentMacAddress =
+				pAC->Addr.Net[0].PermanentMacAddress;
+			pAC->Addr.Net[0].CurrentMacAddressSet = SK_TRUE;
+		}
+
+		/* Set the current logical MAC address. */
+		pAC->Addr.Port[pAC->Addr.Net[0].ActivePort].Exact[0] =
+			pAC->Addr.Net[0].CurrentMacAddress;
+#if SK_MAX_NETS > 1
+		/* Set logical MAC address for net 2 to (log | 3). */
+		if (!pAC->Addr.Net[1].CurrentMacAddressSet) {
+			pAC->Addr.Net[1].PermanentMacAddress =
+				pAC->Addr.Net[0].PermanentMacAddress;
+			pAC->Addr.Net[1].PermanentMacAddress.a[5] |= 3;
+			/* Set the current logical MAC address to the permanent one. */
+			pAC->Addr.Net[1].CurrentMacAddress =
+				pAC->Addr.Net[1].PermanentMacAddress;
+			pAC->Addr.Net[1].CurrentMacAddressSet = SK_TRUE;
+		}
+#endif	/* SK_MAX_NETS > 1 */
+
+#ifdef DEBUG
+		for (i = 0; i < (SK_U32) pAC->GIni.GIMacsFound; i++) {
+			SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_INIT,
+				("Permanent MAC Address (Net%d): %02X %02X %02X %02X %02X %02X\n",
+					i,
+					pAC->Addr.Net[i].PermanentMacAddress.a[0],
+					pAC->Addr.Net[i].PermanentMacAddress.a[1],
+					pAC->Addr.Net[i].PermanentMacAddress.a[2],
+					pAC->Addr.Net[i].PermanentMacAddress.a[3],
+					pAC->Addr.Net[i].PermanentMacAddress.a[4],
+					pAC->Addr.Net[i].PermanentMacAddress.a[5]))
+
+			SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_INIT,
+				("Logical MAC Address (Net%d): %02X %02X %02X %02X %02X %02X\n",
+					i,
+					pAC->Addr.Net[i].CurrentMacAddress.a[0],
+					pAC->Addr.Net[i].CurrentMacAddress.a[1],
+					pAC->Addr.Net[i].CurrentMacAddress.a[2],
+					pAC->Addr.Net[i].CurrentMacAddress.a[3],
+					pAC->Addr.Net[i].CurrentMacAddress.a[4],
+					pAC->Addr.Net[i].CurrentMacAddress.a[5]))
+		}
+#endif	/* DEBUG */
+
+		for (i = 0; i < (SK_U32) pAC->GIni.GIMacsFound; i++) {
+			pAPort = &pAC->Addr.Port[i];
+
+			/* Read permanent port addresses from Control Register File. */
+			for (j = 0; j < SK_MAC_ADDR_LEN; j++) {
+				InAddr = (SK_U8 *) &pAPort->PermanentMacAddress.a[j];
+				SK_IN8(IoC, B2_MAC_2 + 8 * i + j, InAddr);
+			}
+
+			if (!pAPort->CurrentMacAddressSet) {
+				/*
+				 * Set the current and previous physical MAC address
+				 * of this port to its permanent MAC address.
+				 */
+				pAPort->CurrentMacAddress = pAPort->PermanentMacAddress;
+				pAPort->PreviousMacAddress = pAPort->PermanentMacAddress;
+				pAPort->CurrentMacAddressSet = SK_TRUE;
+			}
+
+			/* Set port's current physical MAC address. */
+			OutAddr = (SK_U16 *) &pAPort->CurrentMacAddress.a[0];
+
+			if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) {
+				XM_OUTADDR(IoC, i, XM_SA, OutAddr);
+			}
+			else {
+				GM_OUTADDR(IoC, i, GM_SRC_ADDR_1L, OutAddr);
+			}
+#ifdef DEBUG
+			SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_INIT,
+				("SkAddrInit: Permanent Physical MAC Address: %02X %02X %02X %02X %02X %02X\n",
+					pAPort->PermanentMacAddress.a[0],
+					pAPort->PermanentMacAddress.a[1],
+					pAPort->PermanentMacAddress.a[2],
+					pAPort->PermanentMacAddress.a[3],
+					pAPort->PermanentMacAddress.a[4],
+					pAPort->PermanentMacAddress.a[5]))
+
+			SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_INIT,
+				("SkAddrInit: Physical MAC Address: %02X %02X %02X %02X %02X %02X\n",
+					pAPort->CurrentMacAddress.a[0],
+					pAPort->CurrentMacAddress.a[1],
+					pAPort->CurrentMacAddress.a[2],
+					pAPort->CurrentMacAddress.a[3],
+					pAPort->CurrentMacAddress.a[4],
+					pAPort->CurrentMacAddress.a[5]))
+#endif	/* DEBUG */
+		}
+		/* pAC->Addr.InitDone = SK_INIT_IO; */
+		break;
+
+	case SK_INIT_RUN:
+#ifdef xDEBUG
+		for (i = 0; i < SK_MAX_MACS; i++) {
+			if (pAC->Addr.Port[i].NextExactMatchRlmt <
+				SK_ADDR_FIRST_MATCH_RLMT) {
+				Next0[i] |= 16;
+			}
+		}
+#endif	/* DEBUG */
+
+		/* pAC->Addr.InitDone = SK_INIT_RUN; */
+		break;
+
+	default:	/* error */
+		break;
+	}
+
+	return (SK_ADDR_SUCCESS);
+
+}	/* SkAddrInit */
+
+
+/******************************************************************************
+ *
+ *	SkAddrMcClear - clear the multicast table
+ *
+ * Description:
+ *	This routine clears the multicast table.
+ *
+ *	If not suppressed by Flag SK_MC_SW_ONLY, the hardware is updated
+ *	immediately.
+ *
+ *	It calls either SkAddrXmacMcClear or SkAddrGmacMcClear, according
+ *	to the adapter in use. The real work is done there.
+ *
+ * Context:
+ *	runtime, pageable
+ *	may be called starting with SK_INIT_DATA with flag SK_MC_SW_ONLY
+ *	may be called after SK_INIT_IO without limitation
+ *
+ * Returns:
+ *	SK_ADDR_SUCCESS
+ *	SK_ADDR_ILLEGAL_PORT
+ */
+int	SkAddrMcClear(
+SK_AC	*pAC,		/* adapter context */
+SK_IOC	IoC,		/* I/O context */
+SK_U32	PortNumber,	/* Index of affected port */
+int		Flags)		/* permanent/non-perm, sw-only */
+{
+	int ReturnCode;
+
+	if (PortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
+		return (SK_ADDR_ILLEGAL_PORT);
+	}
+
+	if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) {
+		ReturnCode = SkAddrXmacMcClear(pAC, IoC, PortNumber, Flags);
+	}
+	else {
+		ReturnCode = SkAddrGmacMcClear(pAC, IoC, PortNumber, Flags);
+	}
+
+	return (ReturnCode);
+
+}	/* SkAddrMcClear */
+
+
+/******************************************************************************
+ *
+ *	SkAddrXmacMcClear - clear the multicast table
+ *
+ * Description:
+ *	This routine clears the multicast table
+ *	(either entry 2 or entries 3-16 and InexactFilter) of the given port.
+ *	If not suppressed by Flag SK_MC_SW_ONLY, the hardware is updated
+ *	immediately.
+ *
+ * Context:
+ *	runtime, pageable
+ *	may be called starting with SK_INIT_DATA with flag SK_MC_SW_ONLY
+ *	may be called after SK_INIT_IO without limitation
+ *
+ * Returns:
+ *	SK_ADDR_SUCCESS
+ *	SK_ADDR_ILLEGAL_PORT
+ */
+int	SkAddrXmacMcClear(
+SK_AC	*pAC,		/* adapter context */
+SK_IOC	IoC,		/* I/O context */
+SK_U32	PortNumber,	/* Index of affected port */
+int		Flags)		/* permanent/non-perm, sw-only */
+{
+	int i;
+
+	if (Flags & SK_ADDR_PERMANENT) {	/* permanent => RLMT */
+
+		/* Clear RLMT multicast addresses. */
+		pAC->Addr.Port[PortNumber].NextExactMatchRlmt = SK_ADDR_FIRST_MATCH_RLMT;
+	}
+	else {	/* not permanent => DRV */
+
+		/* Clear InexactFilter */
+		for (i = 0; i < 8; i++) {
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] = 0;
+		}
+
+		/* Clear DRV multicast addresses. */
+
+		pAC->Addr.Port[PortNumber].NextExactMatchDrv = SK_ADDR_FIRST_MATCH_DRV;
+	}
+
+	if (!(Flags & SK_MC_SW_ONLY)) {
+		(void) SkAddrXmacMcUpdate(pAC, IoC, PortNumber);
+	}
+
+	return (SK_ADDR_SUCCESS);
+
+}	/* SkAddrXmacMcClear */
+
+
+/******************************************************************************
+ *
+ *	SkAddrGmacMcClear - clear the multicast table
+ *
+ * Description:
+ *	This routine clears the multicast hashing table (InexactFilter)
+ *	(either the RLMT or the driver bits) of the given port.
+ *
+ *	If not suppressed by Flag SK_MC_SW_ONLY, the hardware is updated
+ *	immediately.
+ *
+ * Context:
+ *	runtime, pageable
+ *	may be called starting with SK_INIT_DATA with flag SK_MC_SW_ONLY
+ *	may be called after SK_INIT_IO without limitation
+ *
+ * Returns:
+ *	SK_ADDR_SUCCESS
+ *	SK_ADDR_ILLEGAL_PORT
+ */
+int	SkAddrGmacMcClear(
+SK_AC	*pAC,		/* adapter context */
+SK_IOC	IoC,		/* I/O context */
+SK_U32	PortNumber,	/* Index of affected port */
+int		Flags)		/* permanent/non-perm, sw-only */
+{
+	int i;
+
+#ifdef DEBUG
+	SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
+		("GMAC InexactFilter (not cleared): %02X %02X %02X %02X %02X %02X %02X %02X\n",
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[0],
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[1],
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[2],
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[3],
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[4],
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[5],
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[6],
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[7]))
+#endif	/* DEBUG */
+
+	/* Clear InexactFilter */
+	for (i = 0; i < 8; i++) {
+		pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] = 0;
+	}
+
+	if (Flags & SK_ADDR_PERMANENT) {	/* permanent => RLMT */
+
+		/* Copy DRV bits to InexactFilter. */
+		for (i = 0; i < 8; i++) {
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] |=
+				pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[i];
+
+			/* Clear InexactRlmtFilter. */
+			pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[i] = 0;
+
+		}
+	}
+	else {	/* not permanent => DRV */
+
+		/* Copy RLMT bits to InexactFilter. */
+		for (i = 0; i < 8; i++) {
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] |=
+				pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[i];
+
+			/* Clear InexactDrvFilter. */
+			pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[i] = 0;
+		}
+	}
+
+#ifdef DEBUG
+	SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
+		("GMAC InexactFilter (cleared): %02X %02X %02X %02X %02X %02X %02X %02X\n",
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[0],
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[1],
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[2],
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[3],
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[4],
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[5],
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[6],
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[7]))
+#endif	/* DEBUG */
+
+	if (!(Flags & SK_MC_SW_ONLY)) {
+		(void) SkAddrGmacMcUpdate(pAC, IoC, PortNumber);
+	}
+
+	return (SK_ADDR_SUCCESS);
+
+}	/* SkAddrGmacMcClear */
+
+#ifndef SK_ADDR_CHEAT
+
+/******************************************************************************
+ *
+ *	SkXmacMcHash - hash multicast address
+ *
+ * Description:
+ *	This routine computes the hash value for a multicast address.
+ *	A CRC32 algorithm is used.
+ *
+ * Notes:
+ *	The code was adapted from the XaQti data sheet.
+ *
+ * Context:
+ *	runtime, pageable
+ *
+ * Returns:
+ *	Hash value of multicast address.
+ */
+SK_U32 SkXmacMcHash(
+unsigned char *pMc)	/* Multicast address */
+{
+	SK_U32 Idx;
+	SK_U32 Bit;
+	SK_U32 Data;
+	SK_U32 Crc;
+
+	Crc = 0xFFFFFFFFUL;
+	for (Idx = 0; Idx < SK_MAC_ADDR_LEN; Idx++) {
+		Data = *pMc++;
+		for (Bit = 0; Bit < 8; Bit++, Data >>= 1) {
+			Crc = (Crc >> 1) ^ (((Crc ^ Data) & 1) ? XMAC_POLY : 0);
+		}
+	}
+
+	return (Crc & ((1 << HASH_BITS) - 1));
+
+}	/* SkXmacMcHash */
+
+
+/******************************************************************************
+ *
+ *	SkGmacMcHash - hash multicast address
+ *
+ * Description:
+ *	This routine computes the hash value for a multicast address.
+ *	A CRC16 algorithm is used.
+ *
+ * Notes:
+ *
+ *
+ * Context:
+ *	runtime, pageable
+ *
+ * Returns:
+ *	Hash value of multicast address.
+ */
+SK_U32 SkGmacMcHash(
+unsigned char *pMc)	/* Multicast address */
+{
+	SK_U32 Data;
+	SK_U32 TmpData;
+	SK_U32 Crc;
+	int Byte;
+	int Bit;
+
+	Crc = 0xFFFFFFFFUL;
+	for (Byte = 0; Byte < 6; Byte++) {
+		/* Get next byte. */
+		Data = (SK_U32) pMc[Byte];
+
+		/* Change bit order in byte. */
+		TmpData = Data;
+		for (Bit = 0; Bit < 8; Bit++) {
+			if (TmpData & 1L) {
+				Data |=  1L << (7 - Bit);
+			}
+			else {
+				Data &= ~(1L << (7 - Bit));
+			}
+			TmpData >>= 1;
+		}
+
+		Crc ^= (Data << 24);
+		for (Bit = 0; Bit < 8; Bit++) {
+			if (Crc & 0x80000000) {
+				Crc = (Crc << 1) ^ GMAC_POLY;
+			}
+			else {
+				Crc <<= 1;
+			}
+		}
+	}
+
+	return (Crc & ((1 << HASH_BITS) - 1));
+
+}	/* SkGmacMcHash */
+
+#endif	/* not SK_ADDR_CHEAT */
+
+/******************************************************************************
+ *
+ *	SkAddrMcAdd - add a multicast address to a port
+ *
+ * Description:
+ *	This routine enables reception for a given address on the given port.
+ *
+ *	It calls either SkAddrXmacMcAdd or SkAddrGmacMcAdd, according to the
+ *	adapter in use. The real work is done there.
+ *
+ * Notes:
+ *	The return code is only valid for SK_PROM_MODE_NONE.
+ *
+ * Context:
+ *	runtime, pageable
+ *	may be called after SK_INIT_DATA
+ *
+ * Returns:
+ *	SK_MC_FILTERING_EXACT
+ *	SK_MC_FILTERING_INEXACT
+ *	SK_MC_ILLEGAL_ADDRESS
+ *	SK_MC_ILLEGAL_PORT
+ *	SK_MC_RLMT_OVERFLOW
+ */
+int	SkAddrMcAdd(
+SK_AC		*pAC,		/* adapter context */
+SK_IOC		IoC,		/* I/O context */
+SK_U32		PortNumber,	/* Port Number */
+SK_MAC_ADDR	*pMc,		/* multicast address to be added */
+int			Flags)		/* permanent/non-permanent */
+{
+	int ReturnCode;
+
+	if (PortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
+		return (SK_ADDR_ILLEGAL_PORT);
+	}
+
+	if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) {
+		ReturnCode = SkAddrXmacMcAdd(pAC, IoC, PortNumber, pMc, Flags);
+	}
+	else {
+		ReturnCode = SkAddrGmacMcAdd(pAC, IoC, PortNumber, pMc, Flags);
+	}
+
+	return (ReturnCode);
+
+}	/* SkAddrMcAdd */
+
+
+/******************************************************************************
+ *
+ *	SkAddrXmacMcAdd - add a multicast address to a port
+ *
+ * Description:
+ *	This routine enables reception for a given address on the given port.
+ *
+ * Notes:
+ *	The return code is only valid for SK_PROM_MODE_NONE.
+ *
+ *	The multicast bit is only checked if there are no free exact match
+ *	entries.
+ *
+ * Context:
+ *	runtime, pageable
+ *	may be called after SK_INIT_DATA
+ *
+ * Returns:
+ *	SK_MC_FILTERING_EXACT
+ *	SK_MC_FILTERING_INEXACT
+ *	SK_MC_ILLEGAL_ADDRESS
+ *	SK_MC_RLMT_OVERFLOW
+ */
+int	SkAddrXmacMcAdd(
+SK_AC		*pAC,		/* adapter context */
+SK_IOC		IoC,		/* I/O context */
+SK_U32		PortNumber,	/* Port Number */
+SK_MAC_ADDR	*pMc,		/* multicast address to be added */
+int		Flags)		/* permanent/non-permanent */
+{
+	int	i;
+	SK_U8	Inexact;
+#ifndef SK_ADDR_CHEAT
+	SK_U32 HashBit;
+#endif	/* !defined(SK_ADDR_CHEAT) */
+
+	if (Flags & SK_ADDR_PERMANENT) {	/* permanent => RLMT */
+#ifdef xDEBUG
+		if (pAC->Addr.Port[PortNumber].NextExactMatchRlmt <
+			SK_ADDR_FIRST_MATCH_RLMT) {
+			Next0[PortNumber] |= 1;
+			return (SK_MC_RLMT_OVERFLOW);
+		}
+#endif	/* DEBUG */
+
+		if (pAC->Addr.Port[PortNumber].NextExactMatchRlmt >
+			SK_ADDR_LAST_MATCH_RLMT) {
+			return (SK_MC_RLMT_OVERFLOW);
+		}
+
+		/* Set a RLMT multicast address. */
+
+		pAC->Addr.Port[PortNumber].Exact[
+			pAC->Addr.Port[PortNumber].NextExactMatchRlmt++] = *pMc;
+
+		return (SK_MC_FILTERING_EXACT);
+	}
+
+#ifdef xDEBUG
+	if (pAC->Addr.Port[PortNumber].NextExactMatchDrv <
+		SK_ADDR_FIRST_MATCH_DRV) {
+			Next0[PortNumber] |= 2;
+		return (SK_MC_RLMT_OVERFLOW);
+	}
+#endif	/* DEBUG */
+
+	if (pAC->Addr.Port[PortNumber].NextExactMatchDrv <= SK_ADDR_LAST_MATCH_DRV) {
+
+		/* Set exact match entry. */
+		pAC->Addr.Port[PortNumber].Exact[
+			pAC->Addr.Port[PortNumber].NextExactMatchDrv++] = *pMc;
+
+		/* Clear InexactFilter */
+		for (i = 0; i < 8; i++) {
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] = 0;
+		}
+	}
+	else {
+		if (!(pMc->a[0] & SK_MC_BIT)) {
+			/* Hashing only possible with multicast addresses. */
+			return (SK_MC_ILLEGAL_ADDRESS);
+		}
+#ifndef SK_ADDR_CHEAT
+		/* Compute hash value of address. */
+		HashBit = 63 - SkXmacMcHash(&pMc->a[0]);
+
+		/* Add bit to InexactFilter. */
+		pAC->Addr.Port[PortNumber].InexactFilter.Bytes[HashBit / 8] |=
+			1 << (HashBit % 8);
+#else	/* SK_ADDR_CHEAT */
+		/* Set all bits in InexactFilter. */
+		for (i = 0; i < 8; i++) {
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] = 0xFF;
+		}
+#endif	/* SK_ADDR_CHEAT */
+	}
+
+	for (Inexact = 0, i = 0; i < 8; i++) {
+		Inexact |= pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i];
+	}
+
+	if (Inexact == 0 && pAC->Addr.Port[PortNumber].PromMode == 0) {
+		return (SK_MC_FILTERING_EXACT);
+	}
+	else {
+		return (SK_MC_FILTERING_INEXACT);
+	}
+
+}	/* SkAddrXmacMcAdd */
+
+
+/******************************************************************************
+ *
+ *	SkAddrGmacMcAdd - add a multicast address to a port
+ *
+ * Description:
+ *	This routine enables reception for a given address on the given port.
+ *
+ * Notes:
+ *	The return code is only valid for SK_PROM_MODE_NONE.
+ *
+ * Context:
+ *	runtime, pageable
+ *	may be called after SK_INIT_DATA
+ *
+ * Returns:
+ *	SK_MC_FILTERING_INEXACT
+ *	SK_MC_ILLEGAL_ADDRESS
+ */
+int	SkAddrGmacMcAdd(
+SK_AC		*pAC,		/* adapter context */
+SK_IOC		IoC,		/* I/O context */
+SK_U32		PortNumber,	/* Port Number */
+SK_MAC_ADDR	*pMc,		/* multicast address to be added */
+int		Flags)		/* permanent/non-permanent */
+{
+	int	i;
+#ifndef SK_ADDR_CHEAT
+	SK_U32 HashBit;
+#endif	/* !defined(SK_ADDR_CHEAT) */
+
+	if (!(pMc->a[0] & SK_MC_BIT)) {
+		/* Hashing only possible with multicast addresses. */
+		return (SK_MC_ILLEGAL_ADDRESS);
+	}
+
+#ifndef SK_ADDR_CHEAT
+
+	/* Compute hash value of address. */
+	HashBit = SkGmacMcHash(&pMc->a[0]);
+
+	if (Flags & SK_ADDR_PERMANENT) {	/* permanent => RLMT */
+
+		/* Add bit to InexactRlmtFilter. */
+		pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[HashBit / 8] |=
+			1 << (HashBit % 8);
+
+		/* Copy bit to InexactFilter. */
+		for (i = 0; i < 8; i++) {
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] |=
+				pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[i];
+		}
+#ifdef DEBUG
+		SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
+		("GMAC InexactRlmtFilter: %02X %02X %02X %02X %02X %02X %02X %02X\n",
+			pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[0],
+			pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[1],
+			pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[2],
+			pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[3],
+			pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[4],
+			pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[5],
+			pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[6],
+			pAC->Addr.Port[PortNumber].InexactRlmtFilter.Bytes[7]))
+#endif	/* DEBUG */
+	}
+	else {	/* not permanent => DRV */
+
+		/* Add bit to InexactDrvFilter. */
+		pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[HashBit / 8] |=
+			1 << (HashBit % 8);
+
+		/* Copy bit to InexactFilter. */
+		for (i = 0; i < 8; i++) {
+			pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] |=
+				pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[i];
+		}
+#ifdef DEBUG
+		SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
+		("GMAC InexactDrvFilter: %02X %02X %02X %02X %02X %02X %02X %02X\n",
+			pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[0],
+			pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[1],
+			pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[2],
+			pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[3],
+			pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[4],
+			pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[5],
+			pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[6],
+			pAC->Addr.Port[PortNumber].InexactDrvFilter.Bytes[7]))
+#endif	/* DEBUG */
+	}
+
+#else	/* SK_ADDR_CHEAT */
+
+	/* Set all bits in InexactFilter. */
+	for (i = 0; i < 8; i++) {
+		pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i] = 0xFF;
+	}
+#endif	/* SK_ADDR_CHEAT */
+
+	return (SK_MC_FILTERING_INEXACT);
+
+}	/* SkAddrGmacMcAdd */
+
+
+/******************************************************************************
+ *
+ *	SkAddrMcUpdate - update the HW MC address table and set the MAC address
+ *
+ * Description:
+ *	This routine enables reception of the addresses contained in a local
+ *	table for a given port.
+ *	It also programs the port's current physical MAC address.
+ *
+ *	It calls either SkAddrXmacMcUpdate or SkAddrGmacMcUpdate, according
+ *	to the adapter in use. The real work is done there.
+ *
+ * Notes:
+ *	The return code is only valid for SK_PROM_MODE_NONE.
+ *
+ * Context:
+ *	runtime, pageable
+ *	may be called after SK_INIT_IO
+ *
+ * Returns:
+ *	SK_MC_FILTERING_EXACT
+ *	SK_MC_FILTERING_INEXACT
+ *	SK_ADDR_ILLEGAL_PORT
+ */
+int	SkAddrMcUpdate(
+SK_AC	*pAC,		/* adapter context */
+SK_IOC	IoC,		/* I/O context */
+SK_U32	PortNumber)	/* Port Number */
+{
+	int ReturnCode;
+
+	if (PortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
+		return (SK_ADDR_ILLEGAL_PORT);
+	}
+
+	if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) {
+		ReturnCode = SkAddrXmacMcUpdate(pAC, IoC, PortNumber);
+	}
+	else {
+		ReturnCode = SkAddrGmacMcUpdate(pAC, IoC, PortNumber);
+	}
+
+	return (ReturnCode);
+
+}	/* SkAddrMcUpdate */
+
+
+/******************************************************************************
+ *
+ *	SkAddrXmacMcUpdate - update the HW MC address table and set the MAC address
+ *
+ * Description:
+ *	This routine enables reception of the addresses contained in a local
+ *	table for a given port.
+ *	It also programs the port's current physical MAC address.
+ *
+ * Notes:
+ *	The return code is only valid for SK_PROM_MODE_NONE.
+ *
+ * Context:
+ *	runtime, pageable
+ *	may be called after SK_INIT_IO
+ *
+ * Returns:
+ *	SK_MC_FILTERING_EXACT
+ *	SK_MC_FILTERING_INEXACT
+ *	SK_ADDR_ILLEGAL_PORT
+ */
+int	SkAddrXmacMcUpdate(
+SK_AC	*pAC,		/* adapter context */
+SK_IOC	IoC,		/* I/O context */
+SK_U32	PortNumber)	/* Port Number */
+{
+	SK_U32		i;
+	SK_U8		Inexact;
+	SK_U16		*OutAddr;
+	SK_ADDR_PORT	*pAPort;
+
+	SK_DBG_MSG(pAC,SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
+		("SkAddrXmacMcUpdate on Port %u.\n", PortNumber))
+
+	pAPort = &pAC->Addr.Port[PortNumber];
+
+#ifdef DEBUG
+	SK_DBG_MSG(pAC,SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
+		("Next0 on Port %d: %d\n", PortNumber, Next0[PortNumber]))
+#endif	/* DEBUG */
+
+	/* Start with 0 to also program the logical MAC address. */
+	for (i = 0; i < pAPort->NextExactMatchRlmt; i++) {
+		/* Set exact match address i on XMAC */
+		OutAddr = (SK_U16 *) &pAPort->Exact[i].a[0];
+		XM_OUTADDR(IoC, PortNumber, XM_EXM(i), OutAddr);
+	}
+
+	/* Clear other permanent exact match addresses on XMAC */
+	if (pAPort->NextExactMatchRlmt <= SK_ADDR_LAST_MATCH_RLMT) {
+
+		SkXmClrExactAddr(pAC, IoC, PortNumber, pAPort->NextExactMatchRlmt,
+			SK_ADDR_LAST_MATCH_RLMT);
+	}
+
+	for (i = pAPort->FirstExactMatchDrv; i < pAPort->NextExactMatchDrv; i++) {
+		OutAddr = (SK_U16 *) &pAPort->Exact[i].a[0];
+		XM_OUTADDR(IoC, PortNumber, XM_EXM(i), OutAddr);
+	}
+
+	/* Clear other non-permanent exact match addresses on XMAC */
+	if (pAPort->NextExactMatchDrv <= SK_ADDR_LAST_MATCH_DRV) {
+
+		SkXmClrExactAddr(pAC, IoC, PortNumber, pAPort->NextExactMatchDrv,
+			SK_ADDR_LAST_MATCH_DRV);
+	}
+
+	for (Inexact = 0, i = 0; i < 8; i++) {
+		Inexact |= pAPort->InexactFilter.Bytes[i];
+	}
+
+	if (pAPort->PromMode & SK_PROM_MODE_ALL_MC) {
+
+		/* Set all bits in 64-bit hash register. */
+		XM_OUTHASH(IoC, PortNumber, XM_HSM, &OnesHash);
+
+		/* Enable Hashing */
+		SkMacHashing(pAC, IoC, PortNumber, SK_TRUE);
+	}
+	else if (Inexact != 0) {
+
+		/* Set 64-bit hash register to InexactFilter. */
+		XM_OUTHASH(IoC, PortNumber, XM_HSM, &pAPort->InexactFilter.Bytes[0]);
+
+		/* Enable Hashing */
+		SkMacHashing(pAC, IoC, PortNumber, SK_TRUE);
+	}
+	else {
+		/* Disable Hashing */
+		SkMacHashing(pAC, IoC, PortNumber, SK_FALSE);
+	}
+
+	if (pAPort->PromMode != SK_PROM_MODE_NONE) {
+		(void) SkAddrXmacPromiscuousChange(pAC, IoC, PortNumber, pAPort->PromMode);
+	}
+
+	/* Set port's current physical MAC address. */
+	OutAddr = (SK_U16 *) &pAPort->CurrentMacAddress.a[0];
+
+	XM_OUTADDR(IoC, PortNumber, XM_SA, OutAddr);
+
+#ifdef xDEBUG
+	for (i = 0; i < pAPort->NextExactMatchRlmt; i++) {
+		SK_U8		InAddr8[6];
+		SK_U16		*InAddr;
+
+		/* Get exact match address i from port PortNumber. */
+		InAddr = (SK_U16 *) &InAddr8[0];
+
+		XM_INADDR(IoC, PortNumber, XM_EXM(i), InAddr);
+
+		SK_DBG_MSG(pAC,SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
+			("SkAddrXmacMcUpdate: MC address %d on Port %u: ",
+			 "%02x %02x %02x %02x %02x %02x -- %02x %02x %02x %02x %02x %02x\n",
+				i,
+				PortNumber,
+				InAddr8[0],
+				InAddr8[1],
+				InAddr8[2],
+				InAddr8[3],
+				InAddr8[4],
+				InAddr8[5],
+				pAPort->Exact[i].a[0],
+				pAPort->Exact[i].a[1],
+				pAPort->Exact[i].a[2],
+				pAPort->Exact[i].a[3],
+				pAPort->Exact[i].a[4],
+				pAPort->Exact[i].a[5]))
+	}
+#endif	/* DEBUG */
+
+	/* Determine return value. */
+	if (Inexact == 0 && pAPort->PromMode == 0) {
+		return (SK_MC_FILTERING_EXACT);
+	}
+	else {
+		return (SK_MC_FILTERING_INEXACT);
+	}
+
+}	/* SkAddrXmacMcUpdate */
+
+
+/******************************************************************************
+ *
+ *	SkAddrGmacMcUpdate - update the HW MC address table and set the MAC address
+ *
+ * Description:
+ *	This routine enables reception of the addresses contained in a local
+ *	table for a given port.
+ *	It also programs the port's current physical MAC address.
+ *
+ * Notes:
+ *	The return code is only valid for SK_PROM_MODE_NONE.
+ *
+ * Context:
+ *	runtime, pageable
+ *	may be called after SK_INIT_IO
+ *
+ * Returns:
+ *	SK_MC_FILTERING_EXACT
+ *	SK_MC_FILTERING_INEXACT
+ *	SK_ADDR_ILLEGAL_PORT
+ */
+int	SkAddrGmacMcUpdate(
+SK_AC	*pAC,		/* adapter context */
+SK_IOC	IoC,		/* I/O context */
+SK_U32	PortNumber)	/* Port Number */
+{
+	SK_U32		i;
+	SK_U8		Inexact;
+	SK_U16		*OutAddr;
+	SK_ADDR_PORT	*pAPort;
+
+	SK_DBG_MSG(pAC,SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
+		("SkAddrGmacMcUpdate on Port %u.\n", PortNumber))
+
+	pAPort = &pAC->Addr.Port[PortNumber];
+
+#ifdef DEBUG
+	SK_DBG_MSG(pAC,SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
+		("Next0 on Port %d: %d\n", PortNumber, Next0[PortNumber]))
+#endif	/* DEBUG */
+
+	for (Inexact = 0, i = 0; i < 8; i++) {
+		Inexact |= pAPort->InexactFilter.Bytes[i];
+	}
+
+	/* Set 64-bit hash register to InexactFilter. */
+	GM_OUTHASH(IoC, PortNumber, GM_MC_ADDR_H1,
+		&pAPort->InexactFilter.Bytes[0]);
+
+	if (pAPort->PromMode & SK_PROM_MODE_ALL_MC) {
+
+		/* Set all bits in 64-bit hash register. */
+		GM_OUTHASH(IoC, PortNumber, GM_MC_ADDR_H1, &OnesHash);
+
+		/* Enable Hashing */
+		SkMacHashing(pAC, IoC, PortNumber, SK_TRUE);
+	}
+	else {
+		/* Enable Hashing. */
+		SkMacHashing(pAC, IoC, PortNumber, SK_TRUE);
+	}
+
+	if (pAPort->PromMode != SK_PROM_MODE_NONE) {
+		(void) SkAddrGmacPromiscuousChange(pAC, IoC, PortNumber, pAPort->PromMode);
+	}
+
+	/* Set port's current physical MAC address. */
+	OutAddr = (SK_U16 *) &pAPort->CurrentMacAddress.a[0];
+	GM_OUTADDR(IoC, PortNumber, GM_SRC_ADDR_1L, OutAddr);
+
+	/* Set port's current logical MAC address. */
+	OutAddr = (SK_U16 *) &pAPort->Exact[0].a[0];
+	GM_OUTADDR(IoC, PortNumber, GM_SRC_ADDR_2L, OutAddr);
+
+#ifdef DEBUG
+	SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
+		("SkAddrGmacMcUpdate: Permanent Physical MAC Address: %02X %02X %02X %02X %02X %02X\n",
+			pAPort->Exact[0].a[0],
+			pAPort->Exact[0].a[1],
+			pAPort->Exact[0].a[2],
+			pAPort->Exact[0].a[3],
+			pAPort->Exact[0].a[4],
+			pAPort->Exact[0].a[5]))
+
+	SK_DBG_MSG(pAC, SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
+		("SkAddrGmacMcUpdate: Physical MAC Address: %02X %02X %02X %02X %02X %02X\n",
+			pAPort->CurrentMacAddress.a[0],
+			pAPort->CurrentMacAddress.a[1],
+			pAPort->CurrentMacAddress.a[2],
+			pAPort->CurrentMacAddress.a[3],
+			pAPort->CurrentMacAddress.a[4],
+			pAPort->CurrentMacAddress.a[5]))
+#endif	/* DEBUG */
+
+	/* Determine return value. */
+	if (Inexact == 0 && pAPort->PromMode == 0) {
+		return (SK_MC_FILTERING_EXACT);
+	}
+	else {
+		return (SK_MC_FILTERING_INEXACT);
+	}
+
+}	/* SkAddrGmacMcUpdate */
+
+
+/******************************************************************************
+ *
+ *	SkAddrOverride - override a port's MAC address
+ *
+ * Description:
+ *	This routine overrides the MAC address of one port.
+ *
+ * Context:
+ *	runtime, pageable
+ *	may be called after SK_INIT_IO
+ *
+ * Returns:
+ *	SK_ADDR_SUCCESS if successful.
+ *	SK_ADDR_DUPLICATE_ADDRESS if duplicate MAC address.
+ *	SK_ADDR_MULTICAST_ADDRESS if multicast or broadcast address.
+ *	SK_ADDR_TOO_EARLY if SK_INIT_IO was not executed before.
+ */
+int	SkAddrOverride(
+SK_AC		*pAC,		/* adapter context */
+SK_IOC		IoC,		/* I/O context */
+SK_U32		PortNumber,	/* Port Number */
+SK_MAC_ADDR	*pNewAddr,	/* new MAC address */
+int			Flags)		/* logical/physical MAC address */
+{
+	SK_EVPARA	Para;
+	SK_U32		NetNumber;
+	SK_U32		i;
+	SK_U16		*OutAddr;
+
+	NetNumber = pAC->Rlmt.Port[PortNumber].Net->NetNumber;
+
+	if (PortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
+		return (SK_ADDR_ILLEGAL_PORT);
+	}
+
+	if (pNewAddr != NULL && (pNewAddr->a[0] & SK_MC_BIT) != 0) {
+		return (SK_ADDR_MULTICAST_ADDRESS);
+	}
+
+	if (!pAC->Addr.Net[NetNumber].CurrentMacAddressSet) {
+		return (SK_ADDR_TOO_EARLY);
+	}
+
+	if (Flags & SK_ADDR_SET_LOGICAL) {	/* Activate logical MAC address. */
+		/* Parameter *pNewAddr is ignored. */
+		for (i = 0; i < (SK_U32) pAC->GIni.GIMacsFound; i++) {
+			if (!pAC->Addr.Port[i].CurrentMacAddressSet) {
+				return (SK_ADDR_TOO_EARLY);
+			}
+		}
+
+		/* Set PortNumber to number of net's active port. */
+		PortNumber = pAC->Rlmt.Net[NetNumber].
+			Port[pAC->Addr.Net[NetNumber].ActivePort]->PortNumber;
+
+		pAC->Addr.Port[PortNumber].Exact[0] =
+			pAC->Addr.Net[NetNumber].CurrentMacAddress;
+
+		/* Write address to first exact match entry of active port. */
+		(void) SkAddrMcUpdate(pAC, IoC, PortNumber);
+	}
+	else if (Flags & SK_ADDR_CLEAR_LOGICAL) {
+		/* Deactivate logical MAC address. */
+		/* Parameter *pNewAddr is ignored. */
+		for (i = 0; i < (SK_U32) pAC->GIni.GIMacsFound; i++) {
+			if (!pAC->Addr.Port[i].CurrentMacAddressSet) {
+				return (SK_ADDR_TOO_EARLY);
+			}
+		}
+
+		/* Set PortNumber to number of net's active port. */
+		PortNumber = pAC->Rlmt.Net[NetNumber].
+			Port[pAC->Addr.Net[NetNumber].ActivePort]->PortNumber;
+
+		for (i = 0; i < SK_MAC_ADDR_LEN; i++ ) {
+			pAC->Addr.Port[PortNumber].Exact[0].a[i] = 0;
+		}
+
+		/* Write address to first exact match entry of active port. */
+		(void) SkAddrMcUpdate(pAC, IoC, PortNumber);
+	}
+	else if (Flags & SK_ADDR_PHYSICAL_ADDRESS) {	/* Physical MAC address. */
+		if (SK_ADDR_EQUAL(pNewAddr->a,
+			pAC->Addr.Net[NetNumber].CurrentMacAddress.a)) {
+			return (SK_ADDR_DUPLICATE_ADDRESS);
+		}
+
+		for (i = 0; i < (SK_U32) pAC->GIni.GIMacsFound; i++) {
+			if (!pAC->Addr.Port[i].CurrentMacAddressSet) {
+				return (SK_ADDR_TOO_EARLY);
+			}
+
+			if (SK_ADDR_EQUAL(pNewAddr->a,
+				pAC->Addr.Port[i].CurrentMacAddress.a)) {
+				if (i == PortNumber) {
+					return (SK_ADDR_SUCCESS);
+				}
+				else {
+					return (SK_ADDR_DUPLICATE_ADDRESS);
+				}
+			}
+		}
+
+		pAC->Addr.Port[PortNumber].PreviousMacAddress =
+			pAC->Addr.Port[PortNumber].CurrentMacAddress;
+		pAC->Addr.Port[PortNumber].CurrentMacAddress = *pNewAddr;
+
+		/* Change port's physical MAC address. */
+		OutAddr = (SK_U16 *) pNewAddr;
+
+		if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) {
+			XM_OUTADDR(IoC, PortNumber, XM_SA, OutAddr);
+		}
+		else {
+			GM_OUTADDR(IoC, PortNumber, GM_SRC_ADDR_1L, OutAddr);
+		}
+
+		/* Report address change to RLMT. */
+		Para.Para32[0] = PortNumber;
+		Para.Para32[0] = -1;
+		SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_PORT_ADDR, Para);
+	}
+	else {	/* Logical MAC address. */
+		if (SK_ADDR_EQUAL(pNewAddr->a,
+			pAC->Addr.Net[NetNumber].CurrentMacAddress.a)) {
+			return (SK_ADDR_SUCCESS);
+		}
+
+		for (i = 0; i < (SK_U32) pAC->GIni.GIMacsFound; i++) {
+			if (!pAC->Addr.Port[i].CurrentMacAddressSet) {
+				return (SK_ADDR_TOO_EARLY);
+			}
+
+			if (SK_ADDR_EQUAL(pNewAddr->a,
+				pAC->Addr.Port[i].CurrentMacAddress.a)) {
+				return (SK_ADDR_DUPLICATE_ADDRESS);
+			}
+		}
+
+		/*
+		 * In case that the physical and the logical MAC addresses are equal
+		 * we must also change the physical MAC address here.
+		 * In this case we have an adapter which initially was programmed with
+		 * two identical MAC addresses.
+		 */
+		if (SK_ADDR_EQUAL(pAC->Addr.Port[PortNumber].CurrentMacAddress.a,
+				pAC->Addr.Port[PortNumber].Exact[0].a)) {
+
+			pAC->Addr.Port[PortNumber].PreviousMacAddress =
+				pAC->Addr.Port[PortNumber].CurrentMacAddress;
+			pAC->Addr.Port[PortNumber].CurrentMacAddress = *pNewAddr;
+
+			/* Report address change to RLMT. */
+			Para.Para32[0] = PortNumber;
+			Para.Para32[0] = -1;
+			SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_PORT_ADDR, Para);
+		}
+
+		/* Set PortNumber to number of net's active port. */
+		PortNumber = pAC->Rlmt.Net[NetNumber].
+			Port[pAC->Addr.Net[NetNumber].ActivePort]->PortNumber;
+
+		pAC->Addr.Net[NetNumber].CurrentMacAddress = *pNewAddr;
+		pAC->Addr.Port[PortNumber].Exact[0] = *pNewAddr;
+#ifdef DEBUG
+		SK_DBG_MSG(pAC,SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
+			("SkAddrOverride: Permanent MAC Address: %02X %02X %02X %02X %02X %02X\n",
+				pAC->Addr.Net[NetNumber].PermanentMacAddress.a[0],
+				pAC->Addr.Net[NetNumber].PermanentMacAddress.a[1],
+				pAC->Addr.Net[NetNumber].PermanentMacAddress.a[2],
+				pAC->Addr.Net[NetNumber].PermanentMacAddress.a[3],
+				pAC->Addr.Net[NetNumber].PermanentMacAddress.a[4],
+				pAC->Addr.Net[NetNumber].PermanentMacAddress.a[5]))
+
+		SK_DBG_MSG(pAC,SK_DBGMOD_ADDR, SK_DBGCAT_CTRL,
+			("SkAddrOverride: New logical MAC Address: %02X %02X %02X %02X %02X %02X\n",
+				pAC->Addr.Net[NetNumber].CurrentMacAddress.a[0],
+				pAC->Addr.Net[NetNumber].CurrentMacAddress.a[1],
+				pAC->Addr.Net[NetNumber].CurrentMacAddress.a[2],
+				pAC->Addr.Net[NetNumber].CurrentMacAddress.a[3],
+				pAC->Addr.Net[NetNumber].CurrentMacAddress.a[4],
+				pAC->Addr.Net[NetNumber].CurrentMacAddress.a[5]))
+#endif	/* DEBUG */
+
+	/* Write address to first exact match entry of active port. */
+		(void) SkAddrMcUpdate(pAC, IoC, PortNumber);
+	}
+
+	return (SK_ADDR_SUCCESS);
+
+}	/* SkAddrOverride */
+
+
+/******************************************************************************
+ *
+ *	SkAddrPromiscuousChange - set promiscuous mode for given port
+ *
+ * Description:
+ *	This routine manages promiscuous mode:
+ *	- none
+ *	- all LLC frames
+ *	- all MC frames
+ *
+ *	It calls either SkAddrXmacPromiscuousChange or
+ *	SkAddrGmacPromiscuousChange, according to the adapter in use.
+ *	The real work is done there.
+ *
+ * Context:
+ *	runtime, pageable
+ *	may be called after SK_INIT_IO
+ *
+ * Returns:
+ *	SK_ADDR_SUCCESS
+ *	SK_ADDR_ILLEGAL_PORT
+ */
+int	SkAddrPromiscuousChange(
+SK_AC	*pAC,			/* adapter context */
+SK_IOC	IoC,			/* I/O context */
+SK_U32	PortNumber,		/* port whose promiscuous mode changes */
+int		NewPromMode)	/* new promiscuous mode */
+{
+	int ReturnCode;
+
+	if (PortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
+		return (SK_ADDR_ILLEGAL_PORT);
+	}
+
+	if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) {
+		ReturnCode = SkAddrXmacPromiscuousChange(pAC, IoC, PortNumber, NewPromMode);
+	}
+	else {
+		ReturnCode = SkAddrGmacPromiscuousChange(pAC, IoC, PortNumber, NewPromMode);
+	}
+
+	return (ReturnCode);
+
+}	/* SkAddrPromiscuousChange */
+
+
+/******************************************************************************
+ *
+ *	SkAddrXmacPromiscuousChange - set promiscuous mode for given port
+ *
+ * Description:
+ *	This routine manages promiscuous mode:
+ *	- none
+ *	- all LLC frames
+ *	- all MC frames
+ *
+ * Context:
+ *	runtime, pageable
+ *	may be called after SK_INIT_IO
+ *
+ * Returns:
+ *	SK_ADDR_SUCCESS
+ *	SK_ADDR_ILLEGAL_PORT
+ */
+int	SkAddrXmacPromiscuousChange(
+SK_AC	*pAC,			/* adapter context */
+SK_IOC	IoC,			/* I/O context */
+SK_U32	PortNumber,		/* port whose promiscuous mode changes */
+int		NewPromMode)	/* new promiscuous mode */
+{
+	int			i;
+	SK_BOOL		InexactModeBit;
+	SK_U8		Inexact;
+	SK_U8		HwInexact;
+	SK_FILTER64	HwInexactFilter;
+	SK_U16		LoMode;		/* Lower 16 bits of XMAC Mode Register. */
+	int			CurPromMode = SK_PROM_MODE_NONE;
+
+	/* Read CurPromMode from Hardware. */
+	XM_IN16(IoC, PortNumber, XM_MODE, &LoMode);
+
+	if ((LoMode & XM_MD_ENA_PROM) != 0) {
+		/* Promiscuous mode! */
+		CurPromMode |= SK_PROM_MODE_LLC;
+	}
+
+	for (Inexact = 0xFF, i = 0; i < 8; i++) {
+		Inexact &= pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i];
+	}
+	if (Inexact == 0xFF) {
+		CurPromMode |= (pAC->Addr.Port[PortNumber].PromMode & SK_PROM_MODE_ALL_MC);
+	}
+	else {
+		/* Get InexactModeBit (bit XM_MD_ENA_HASH in mode register) */
+		XM_IN16(IoC, PortNumber, XM_MODE, &LoMode);
+
+		InexactModeBit = (LoMode & XM_MD_ENA_HASH) != 0;
+
+		/* Read 64-bit hash register from XMAC */
+		XM_INHASH(IoC, PortNumber, XM_HSM, &HwInexactFilter.Bytes[0]);
+
+		for (HwInexact = 0xFF, i = 0; i < 8; i++) {
+			HwInexact &= HwInexactFilter.Bytes[i];
+		}
+
+		if (InexactModeBit && (HwInexact == 0xFF)) {
+			CurPromMode |= SK_PROM_MODE_ALL_MC;
+		}
+	}
+
+	pAC->Addr.Port[PortNumber].PromMode = NewPromMode;
+
+	if (NewPromMode == CurPromMode) {
+		return (SK_ADDR_SUCCESS);
+	}
+
+	if ((NewPromMode & SK_PROM_MODE_ALL_MC) &&
+		!(CurPromMode & SK_PROM_MODE_ALL_MC)) {	/* All MC. */
+
+		/* Set all bits in 64-bit hash register. */
+		XM_OUTHASH(IoC, PortNumber, XM_HSM, &OnesHash);
+
+		/* Enable Hashing */
+		SkMacHashing(pAC, IoC, PortNumber, SK_TRUE);
+	}
+	else if ((CurPromMode & SK_PROM_MODE_ALL_MC) &&
+		!(NewPromMode & SK_PROM_MODE_ALL_MC)) {	/* Norm MC. */
+		for (Inexact = 0, i = 0; i < 8; i++) {
+			Inexact |= pAC->Addr.Port[PortNumber].InexactFilter.Bytes[i];
+		}
+		if (Inexact == 0) {
+			/* Disable Hashing */
+			SkMacHashing(pAC, IoC, PortNumber, SK_FALSE);
+		}
+		else {
+			/* Set 64-bit hash register to InexactFilter. */
+			XM_OUTHASH(IoC, PortNumber, XM_HSM,
+				&pAC->Addr.Port[PortNumber].InexactFilter.Bytes[0]);
+
+			/* Enable Hashing */
+			SkMacHashing(pAC, IoC, PortNumber, SK_TRUE);
+		}
+	}
+
+	if ((NewPromMode & SK_PROM_MODE_LLC) &&
+		!(CurPromMode & SK_PROM_MODE_LLC)) {	/* Prom. LLC */
+		/* Set the MAC in Promiscuous Mode */
+		SkMacPromiscMode(pAC, IoC, PortNumber, SK_TRUE);
+	}
+	else if ((CurPromMode & SK_PROM_MODE_LLC) &&
+		!(NewPromMode & SK_PROM_MODE_LLC)) {	/* Norm. LLC. */
+		/* Clear Promiscuous Mode */
+		SkMacPromiscMode(pAC, IoC, PortNumber, SK_FALSE);
+	}
+
+	return (SK_ADDR_SUCCESS);
+
+}	/* SkAddrXmacPromiscuousChange */
+
+
+/******************************************************************************
+ *
+ *	SkAddrGmacPromiscuousChange - set promiscuous mode for given port
+ *
+ * Description:
+ *	This routine manages promiscuous mode:
+ *	- none
+ *	- all LLC frames
+ *	- all MC frames
+ *
+ * Context:
+ *	runtime, pageable
+ *	may be called after SK_INIT_IO
+ *
+ * Returns:
+ *	SK_ADDR_SUCCESS
+ *	SK_ADDR_ILLEGAL_PORT
+ */
+int	SkAddrGmacPromiscuousChange(
+SK_AC	*pAC,			/* adapter context */
+SK_IOC	IoC,			/* I/O context */
+SK_U32	PortNumber,		/* port whose promiscuous mode changes */
+int		NewPromMode)	/* new promiscuous mode */
+{
+	SK_U16		ReceiveControl;	/* GMAC Receive Control Register */
+	int		CurPromMode = SK_PROM_MODE_NONE;
+
+	/* Read CurPromMode from Hardware. */
+	GM_IN16(IoC, PortNumber, GM_RX_CTRL, &ReceiveControl);
+
+	if ((ReceiveControl & (GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA)) == 0) {
+		/* Promiscuous mode! */
+		CurPromMode |= SK_PROM_MODE_LLC;
+	}
+
+	if ((ReceiveControl & GM_RXCR_MCF_ENA) == 0) {
+		/* All Multicast mode! */
+		CurPromMode |= (pAC->Addr.Port[PortNumber].PromMode & SK_PROM_MODE_ALL_MC);
+	}
+
+	pAC->Addr.Port[PortNumber].PromMode = NewPromMode;
+
+	if (NewPromMode == CurPromMode) {
+		return (SK_ADDR_SUCCESS);
+	}
+
+	if ((NewPromMode & SK_PROM_MODE_ALL_MC) &&
+		!(CurPromMode & SK_PROM_MODE_ALL_MC)) {	/* All MC */
+
+		/* Set all bits in 64-bit hash register. */
+		GM_OUTHASH(IoC, PortNumber, GM_MC_ADDR_H1, &OnesHash);
+
+		/* Enable Hashing */
+		SkMacHashing(pAC, IoC, PortNumber, SK_TRUE);
+	}
+
+	if ((CurPromMode & SK_PROM_MODE_ALL_MC) &&
+		!(NewPromMode & SK_PROM_MODE_ALL_MC)) {	/* Norm. MC */
+
+		/* Set 64-bit hash register to InexactFilter. */
+		GM_OUTHASH(IoC, PortNumber, GM_MC_ADDR_H1,
+			&pAC->Addr.Port[PortNumber].InexactFilter.Bytes[0]);
+
+		/* Enable Hashing. */
+		SkMacHashing(pAC, IoC, PortNumber, SK_TRUE);
+	}
+
+	if ((NewPromMode & SK_PROM_MODE_LLC) &&
+		!(CurPromMode & SK_PROM_MODE_LLC)) {	/* Prom. LLC */
+
+		/* Set the MAC to Promiscuous Mode. */
+		SkMacPromiscMode(pAC, IoC, PortNumber, SK_TRUE);
+	}
+	else if ((CurPromMode & SK_PROM_MODE_LLC) &&
+		!(NewPromMode & SK_PROM_MODE_LLC)) {	/* Norm. LLC */
+
+		/* Clear Promiscuous Mode. */
+		SkMacPromiscMode(pAC, IoC, PortNumber, SK_FALSE);
+	}
+
+	return (SK_ADDR_SUCCESS);
+
+}	/* SkAddrGmacPromiscuousChange */
+
+
+/******************************************************************************
+ *
+ *	SkAddrSwap - swap address info
+ *
+ * Description:
+ *	This routine swaps address info of two ports.
+ *
+ * Context:
+ *	runtime, pageable
+ *	may be called after SK_INIT_IO
+ *
+ * Returns:
+ *	SK_ADDR_SUCCESS
+ *	SK_ADDR_ILLEGAL_PORT
+ */
+int	SkAddrSwap(
+SK_AC	*pAC,			/* adapter context */
+SK_IOC	IoC,			/* I/O context */
+SK_U32	FromPortNumber,		/* Port1 Index */
+SK_U32	ToPortNumber)		/* Port2 Index */
+{
+	int			i;
+	SK_U8		Byte;
+	SK_MAC_ADDR	MacAddr;
+	SK_U32		DWord;
+
+	if (FromPortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
+		return (SK_ADDR_ILLEGAL_PORT);
+	}
+
+	if (ToPortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
+		return (SK_ADDR_ILLEGAL_PORT);
+	}
+
+	if (pAC->Rlmt.Port[FromPortNumber].Net != pAC->Rlmt.Port[ToPortNumber].Net) {
+		return (SK_ADDR_ILLEGAL_PORT);
+	}
+
+	/*
+	 * Swap:
+	 * - Exact Match Entries (GEnesis and Yukon)
+	 *   Yukon uses first entry for the logical MAC
+	 *   address (stored in the second GMAC register).
+	 * - FirstExactMatchRlmt (GEnesis only)
+	 * - NextExactMatchRlmt (GEnesis only)
+	 * - FirstExactMatchDrv (GEnesis only)
+	 * - NextExactMatchDrv (GEnesis only)
+	 * - 64-bit filter (InexactFilter)
+	 * - Promiscuous Mode
+	 * of ports.
+	 */
+
+	for (i = 0; i < SK_ADDR_EXACT_MATCHES; i++) {
+		MacAddr = pAC->Addr.Port[FromPortNumber].Exact[i];
+		pAC->Addr.Port[FromPortNumber].Exact[i] =
+			pAC->Addr.Port[ToPortNumber].Exact[i];
+		pAC->Addr.Port[ToPortNumber].Exact[i] = MacAddr;
+	}
+
+	for (i = 0; i < 8; i++) {
+		Byte = pAC->Addr.Port[FromPortNumber].InexactFilter.Bytes[i];
+		pAC->Addr.Port[FromPortNumber].InexactFilter.Bytes[i] =
+			pAC->Addr.Port[ToPortNumber].InexactFilter.Bytes[i];
+		pAC->Addr.Port[ToPortNumber].InexactFilter.Bytes[i] = Byte;
+	}
+
+	i = pAC->Addr.Port[FromPortNumber].PromMode;
+	pAC->Addr.Port[FromPortNumber].PromMode = pAC->Addr.Port[ToPortNumber].PromMode;
+	pAC->Addr.Port[ToPortNumber].PromMode = i;
+
+	if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) {
+		DWord = pAC->Addr.Port[FromPortNumber].FirstExactMatchRlmt;
+		pAC->Addr.Port[FromPortNumber].FirstExactMatchRlmt =
+			pAC->Addr.Port[ToPortNumber].FirstExactMatchRlmt;
+		pAC->Addr.Port[ToPortNumber].FirstExactMatchRlmt = DWord;
+
+		DWord = pAC->Addr.Port[FromPortNumber].NextExactMatchRlmt;
+		pAC->Addr.Port[FromPortNumber].NextExactMatchRlmt =
+			pAC->Addr.Port[ToPortNumber].NextExactMatchRlmt;
+		pAC->Addr.Port[ToPortNumber].NextExactMatchRlmt = DWord;
+
+		DWord = pAC->Addr.Port[FromPortNumber].FirstExactMatchDrv;
+		pAC->Addr.Port[FromPortNumber].FirstExactMatchDrv =
+			pAC->Addr.Port[ToPortNumber].FirstExactMatchDrv;
+		pAC->Addr.Port[ToPortNumber].FirstExactMatchDrv = DWord;
+
+		DWord = pAC->Addr.Port[FromPortNumber].NextExactMatchDrv;
+		pAC->Addr.Port[FromPortNumber].NextExactMatchDrv =
+			pAC->Addr.Port[ToPortNumber].NextExactMatchDrv;
+		pAC->Addr.Port[ToPortNumber].NextExactMatchDrv = DWord;
+	}
+
+	/* CAUTION: Solution works if only ports of one adapter are in use. */
+	for (i = 0; (SK_U32) i < pAC->Rlmt.Net[pAC->Rlmt.Port[ToPortNumber].
+		Net->NetNumber].NumPorts; i++) {
+		if (pAC->Rlmt.Net[pAC->Rlmt.Port[ToPortNumber].Net->NetNumber].
+			Port[i]->PortNumber == ToPortNumber) {
+			pAC->Addr.Net[pAC->Rlmt.Port[ToPortNumber].Net->NetNumber].
+				ActivePort = i;
+			/* 20001207 RA: Was "ToPortNumber;". */
+		}
+	}
+
+	(void) SkAddrMcUpdate(pAC, IoC, FromPortNumber);
+	(void) SkAddrMcUpdate(pAC, IoC, ToPortNumber);
+
+	return (SK_ADDR_SUCCESS);
+
+}	/* SkAddrSwap */
+
+#ifdef __cplusplus
+}
+#endif	/* __cplusplus */
+
+#endif /* CONFIG_SK98 */