skaddr.c

优龙2410linux2.6.8内核源代码

 */
int	SkAddrMcUpdate(
SK_AC	*pAC,		/* adapter context */
SK_IOC	IoC,		/* I/O context */
SK_U32	PortNumber)	/* Port Number */
{
	int ReturnCode;
#if (!defined(SK_SLIM) || defined(DEBUG))
	if (PortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
		return (SK_ADDR_ILLEGAL_PORT);
	}
#endif /* !SK_SLIM || DEBUG */

#ifdef GENESIS
	if (pAC->GIni.GIGenesis) {
		ReturnCode = SkAddrXmacMcUpdate(pAC, IoC, PortNumber);
	}
#endif /* GENESIS */
#ifdef YUKON
	if (!pAC->GIni.GIGenesis) {
		ReturnCode = SkAddrGmacMcUpdate(pAC, IoC, PortNumber);
	}
#endif /* YUKON */
	return (ReturnCode);

}	/* SkAddrMcUpdate */


#ifdef GENESIS

/******************************************************************************
 *
 *	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, (int) 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, (int) PortNumber, SK_TRUE);
	}
	else {
		/* Disable Hashing */
		SkMacHashing(pAC, IoC, (int) 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 */

#endif  /* GENESIS */

#ifdef YUKON

/******************************************************************************
 *
 *	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 */
{
#ifndef SK_SLIM
	SK_U32		i;
	SK_U8		Inexact;
#endif	/* not SK_SLIM */
	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 */
	
#ifndef SK_SLIM
	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, (int) PortNumber, SK_TRUE);
	}
	else {	
		/* Enable Hashing. */
		SkMacHashing(pAC, IoC, (int) PortNumber, SK_TRUE);
	}
	
	if (pAPort->PromMode != SK_PROM_MODE_NONE) {
		(void) SkAddrGmacPromiscuousChange(pAC, IoC, PortNumber, pAPort->PromMode);
	}
#else /* SK_SLIM */

	/* Set all bits in 64-bit hash register. */
	GM_OUTHASH(IoC, PortNumber, GM_MC_ADDR_H1, &OnesHash);

	/* Enable Hashing */
	SkMacHashing(pAC, IoC, (int) PortNumber, SK_TRUE);
	
	(void) SkAddrGmacPromiscuousChange(pAC, IoC, PortNumber, pAPort->PromMode);
	
#endif /* SK_SLIM */
	
	/* 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 */
	
#ifndef SK_SLIM
	/* Determine return value. */
	if (Inexact == 0 && pAPort->PromMode == 0) {
		return (SK_MC_FILTERING_EXACT);
	}
	else {
		return (SK_MC_FILTERING_INEXACT);
	}
#else /* SK_SLIM */
	return (SK_MC_FILTERING_INEXACT);
#endif /* SK_SLIM */
	
}	/* SkAddrGmacMcUpdate */

#endif /* YUKON */

#ifndef SK_NO_MAO

/******************************************************************************
 *
 *	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	SK_FAR *pNewAddr,	/* new MAC address */
int			Flags)				/* logical/physical MAC address */
{
#ifndef SK_NO_RLMT
	SK_EVPARA	Para;
#endif /* !SK_NO_RLMT */
	SK_U32		NetNumber;
	SK_U32		i;
	SK_U16		SK_FAR *OutAddr;

#ifndef SK_NO_RLMT
	NetNumber = pAC->Rlmt.Port[PortNumber].Net->NetNumber;
#else
	NetNumber = 0;
#endif /* SK_NO_RLMT */
#if (!defined(SK_SLIM) || defined(DEBUG))
	if (PortNumber >= (SK_U32) pAC->GIni.GIMacsFound) {
		return (SK_ADDR_ILLEGAL_PORT);
	}
#endif /* !SK_SLIM || DEBUG */
	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);
			}
		}
#ifndef SK_NO_RLMT
		/* Set PortNumber to number of net's active port. */
		PortNumber = pAC->Rlmt.Net[NetNumber].
			Port[pAC->Addr.Net[NetNumber].ActivePort]->PortNumber;
#endif /* !SK_NO_RLMT */
		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);
			}
		}
#ifndef SK_NO_RLMT
		/* Set PortNumber to number of net's active port. */
		PortNumber = pAC->Rlmt.Net[NetNumber].
			Port[pAC->Addr.Net[NetNumber].ActivePort]->PortNumber;
#endif /* !SK_NO_RLMT */
		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 SK_FAR *) pNewAddr;
#ifdef GENESIS
		if (pAC->GIni.GIGenesis) {
			XM_OUTADDR(IoC, PortNumber, XM_SA, OutAddr);
		}
#endif /* GENESIS */
#ifdef YUKON
		if (!pAC->GIni.GIGenesis) {
			GM_OUTADDR(IoC, PortNumber, GM_SRC_ADDR_1L, OutAddr);
		}
#endif /* YUKON */

#ifndef SK_NO_RLMT
		/* Report address change to RLMT. */
		Para.Para32[0] = PortNumber;
		Para.Para32[0] = -1;
		SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_PORT_ADDR, Para);
#endif /* !SK_NO_RLMT */
	}
	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);
			}