skaddr.c
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- /******************************************************************************
- *
- * Name: skaddr.c
- * Project: GEnesis, PCI Gigabit Ethernet Adapter
- * Version: $Revision: 1.40 $
- * Date: $Date: 2001/02/14 14:04:59 $
- * Purpose: Manage Addresses (Multicast and Unicast) and Promiscuous Mode.
- *
- ******************************************************************************/
- /******************************************************************************
- *
- * (C)Copyright 1998-2001 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 1.40 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 adapters.
- *
- * Address Layout:
- * port address: physical MAC address
- * 1st exact match: logical MAC address
- * 2nd exact match: RLMT multicast
- * exact match 3-13: OS-specific multicasts
- *
- * Include File Hierarchy:
- *
- * "skdrv1st.h"
- * "skdrv2nd.h"
- *
- ******************************************************************************/
- #ifndef lint
- static const char SysKonnectFileId[] =
- "@(#) $Id: skaddr.c,v 1.40 2001/02/14 14:04:59 rassmann 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 CRC32_POLY 0xEDB88320UL /* CRC32-Poly - XMAC: 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 XMAC.
- *
- *
- * 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;
- #if 0
- /* Don't do this here ... */
- /* Reset Promiscuous mode. */
- (void)SkAddrPromiscuousChange(
- pAC,
- IoC,
- i,
- SK_PROM_MODE_NONE);
- #endif /* 0 */
- }
-
- #ifdef DEBUG
- 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 DEBUG
- 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 xDEBUG
- SK_DBG_MSG(
- pAC,
- SK_DBGMOD_ADDR,
- SK_DBGCAT_INIT,
- ("Permanent MAC Address: %02X %02X %02X %02X %02X %02Xn",
- pAC->Addr.PermanentMacAddress.a[0],
- pAC->Addr.PermanentMacAddress.a[1],
- pAC->Addr.PermanentMacAddress.a[2],
- pAC->Addr.PermanentMacAddress.a[3],
- pAC->Addr.PermanentMacAddress.a[4],
- pAC->Addr.PermanentMacAddress.a[5]))
- SK_DBG_MSG(
- pAC,
- SK_DBGMOD_ADDR,
- SK_DBGCAT_INIT,
- ("Logical MAC Address: %02X %02X %02X %02X %02X %02Xn",
- pAC->Addr.CurrentMacAddress.a[0],
- pAC->Addr.CurrentMacAddress.a[1],
- pAC->Addr.CurrentMacAddress.a[2],
- pAC->Addr.CurrentMacAddress.a[3],
- pAC->Addr.CurrentMacAddress.a[4],
- pAC->Addr.CurrentMacAddress.a[5]))
- #endif /* DEBUG */
- #if 0
- /* Don't do this here ... */
- (void)SkAddrMcUpdate(pAC, IoC, pAC->Addr.ActivePort);
- #endif /* 0 */
- 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 MAC addresses. */
- OutAddr = (SK_U16 *)&pAPort->CurrentMacAddress.a[0];
- XM_OUTADDR(IoC, i, XM_SA, OutAddr);
- #ifdef xDEBUG
- SK_DBG_MSG(
- pAC,
- SK_DBGMOD_ADDR,
- SK_DBGCAT_INIT,
- ("Permanent Physical MAC Address: %02X %02X %02X %02X %02X %02Xn",
- 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,
- ("Phsical MAC Address: %02X %02X %02X %02X %02X %02Xn",
- 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 DEBUG
- 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
- * (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 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 i;
- if (PortNumber >= (SK_U32)pAC->GIni.GIMacsFound) {
- return (SK_ADDR_ILLEGAL_PORT);
- }
- if (Flags & SK_ADDR_PERMANENT) {
- /* 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)SkAddrMcUpdate(pAC, IoC, PortNumber);
- }
- return (SK_ADDR_SUCCESS);
- } /* SkAddrMcClear */
- #ifndef SK_ADDR_CHEAT
- /******************************************************************************
- *
- * SkCrc32McHash - hash multicast address
- *
- * Description:
- * This routine computes the hash value for a multicast address.
- *
- * Notes:
- * The code was adapted from the XaQti data sheet.
- *
- * Context:
- * runtime, pageable
- *
- * Returns:
- * Hash value of multicast address.
- */
- unsigned SkCrc32McHash(
- unsigned char *pMc) /* Multicast address */
- {
- unsigned Idx;
- unsigned Bit;
- unsigned Data;
- unsigned 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) ? CRC32_POLY : 0);
- }
- }
- return (Crc & ((1 << HASH_BITS) - 1));
- } /* SkCrc32McHash */
- #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.
- *
- * Notes:
- * The return code is only valid for SK_PROM_MODE_NONE.
- *
- * In the current version, only RLMT may add addresses to the non-active
- * port.
- *
- * 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_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 i;
- SK_U8 Inexact;
- #ifndef SK_ADDR_CHEAT
- unsigned HashBit;
- #endif /* !defined(SK_ADDR_CHEAT) */
- if (PortNumber >= (SK_U32)pAC->GIni.GIMacsFound) {
- return (SK_ADDR_ILLEGAL_PORT);
- }
- if (Flags & SK_ADDR_PERMANENT) {
- #ifdef DEBUG
- 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 an RLMT multicast address. */
- pAC->Addr.Port[PortNumber].Exact[
- pAC->Addr.Port[PortNumber].NextExactMatchRlmt++] = *pMc;
- return (SK_MC_FILTERING_EXACT);
- }
- #if 0
- /* Not PERMANENT => DRV */
- if (PortNumber != pAC->Addr.ActivePort) {
- /* Only RLMT is allowed to do this. */
- return (SK_MC_ILLEGAL_PORT);
- }
- #endif /* 0 */
- #ifdef DEBUG
- 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 - SkCrc32McHash(&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);
- }
- } /* SkAddrMcAdd */
- /******************************************************************************
- *
- * 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.
- *
- * 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 */
- {
- SK_U32 i;
- SK_U8 Inexact;
- SK_U16 *OutAddr;
- SK_U16 LoMode; /* Lower 16 bits of XMAC Mode Reg. */
- SK_ADDR_PORT *pAPort;
- if (PortNumber >= (SK_U32)pAC->GIni.GIMacsFound) {
- return (SK_ADDR_ILLEGAL_PORT);
- }
- SK_DBG_MSG(
- pAC,
- SK_DBGMOD_ADDR,
- SK_DBGCAT_CTRL,
- ("SkAddrMcUpdate 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: %dn", 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 HW. */
- OutAddr = (SK_U16 *)&pAPort->Exact[i].a[0];
- XM_OUTADDR(IoC, PortNumber, XM_EXM(i), OutAddr);
- }
- /* Clear other permanent exact match addresses on HW. */
- 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 HW. */
- 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);
- /* Set bit 15 in mode register. */
- XM_IN16(IoC, PortNumber, XM_MODE, &LoMode);
- LoMode |= XM_MD_ENA_HSH;
- XM_OUT16(IoC, PortNumber, XM_MODE, LoMode);
- }
- else if (Inexact != 0) {
- /* Set 64-bit hash register to InexactFilter. */
- XM_OUTHASH(IoC, PortNumber, XM_HSM, &pAPort->InexactFilter.Bytes[0]);
- /* Set bit 15 in mode register. */
- XM_IN16(IoC, PortNumber, XM_MODE, &LoMode);
- LoMode |= XM_MD_ENA_HSH;
- XM_OUT16(IoC, PortNumber, XM_MODE, LoMode);
- }
- else {
- /* Clear bit 15 in mode register. */
- XM_IN16(IoC, PortNumber, XM_MODE, &LoMode);
- LoMode &= ~XM_MD_ENA_HSH;
- XM_OUT16(IoC, PortNumber, XM_MODE, LoMode);
- }
- if (pAPort->PromMode != SK_PROM_MODE_NONE) {
- (void)SkAddrPromiscuousChange(pAC, IoC, PortNumber, pAPort->PromMode);
- }
- /* Set port's current 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,
- ("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);
- }
- } /* SkAddrMcUpdate */
- /******************************************************************************
- *
- * 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 address. */
- OutAddr = (SK_U16 *)pNewAddr;
- XM_OUTADDR(IoC, PortNumber, XM_SA, 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);
- }
- }
- /* 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,
- ("Permanent MAC Address: %02X %02X %02X %02X %02X %02Xn",
- 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,
- ("New logical MAC Address: %02X %02X %02X %02X %02X %02Xn",
- 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
- *
- * 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 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;
- if (PortNumber >= (SK_U32)pAC->GIni.GIMacsFound) {
- return (SK_ADDR_ILLEGAL_PORT);
- }
- /* Read CurPromMode from Hardware. */
- XM_IN16(IoC, PortNumber, XM_MODE, &LoMode);
- if (LoMode & XM_MD_ENA_PROM) {
- 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 {
- /* Read InexactModeBit (bit 15 in mode register). */
- XM_IN16(IoC, PortNumber, XM_MODE, &LoMode);
-
- InexactModeBit = (LoMode & XM_MD_ENA_HSH) != 0;
- /* Read 64-bit hash register from HW. */
- 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);
- /* Set bit 15 in mode register. */
- XM_IN16(IoC, PortNumber, XM_MODE, &LoMode);
- LoMode |= XM_MD_ENA_HSH;
- XM_OUT16(IoC, PortNumber, XM_MODE, LoMode);
- }
- 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) {
- /* Clear bit 15 in mode register. */
- XM_IN16(IoC, PortNumber, XM_MODE, &LoMode);
- LoMode &= ~XM_MD_ENA_HSH;
- XM_OUT16(IoC, PortNumber, XM_MODE, LoMode);
- }
- else {
- /* Set 64-bit hash register to InexactFilter. */
- XM_OUTHASH(
- IoC,
- PortNumber,
- XM_HSM,
- &pAC->Addr.Port[PortNumber].InexactFilter.Bytes[0]);
- /* Set bit 15 in mode register. */
- XM_IN16(IoC, PortNumber, XM_MODE, &LoMode);
- LoMode |= XM_MD_ENA_HSH;
- XM_OUT16(IoC, PortNumber, XM_MODE, LoMode);
- }
- }
- if ((NewPromMode & SK_PROM_MODE_LLC) &&
- !(CurPromMode & SK_PROM_MODE_LLC)) { /* Prom. LLC */
- /* Set promiscuous bit in mode register. */
- XM_IN16(IoC, PortNumber, XM_MODE, &LoMode);
- #if 0
- /* Receive MAC frames. */
- LoMode |= XM_MD_RX_MCTRL;
- #endif /* 0 */
- LoMode |= XM_MD_ENA_PROM;
- XM_OUT16(IoC, PortNumber, XM_MODE, LoMode);
- }
- else if ((CurPromMode & SK_PROM_MODE_LLC) &&
- !(NewPromMode & SK_PROM_MODE_LLC)) { /* Norm. LLC. */
- /* Clear promiscuous bit in mode register. */
- XM_IN16(IoC, PortNumber, XM_MODE, &LoMode);
- #if 0
- /* Don't receive MAC frames. */
- LoMode &= ~XM_MD_RX_MCTRL;
- #endif /* 0 */
-
- LoMode &= ~XM_MD_ENA_PROM;
- XM_OUT16(IoC, PortNumber, XM_MODE, LoMode);
- }
-
- return (SK_ADDR_SUCCESS);
- } /* SkAddrPromiscuousChange */
- /******************************************************************************
- *
- * 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
- * - FirstExactMatchRlmt;
- * - NextExactMatchRlmt;
- * - FirstExactMatchDrv;
- * - NextExactMatchDrv;
- * - 64-bit filter
- * - 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;
- 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 */