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Diffstat (limited to 'drivers/net/sk98lin/skaddr.c')
| -rw-r--r-- | drivers/net/sk98lin/skaddr.c | 1788 |
1 files changed, 1788 insertions, 0 deletions
diff --git a/drivers/net/sk98lin/skaddr.c b/drivers/net/sk98lin/skaddr.c new file mode 100644 index 000000000000..6e6c56aa6d6f --- /dev/null +++ b/drivers/net/sk98lin/skaddr.c @@ -0,0 +1,1788 @@ +/****************************************************************************** + * + * Name: skaddr.c + * Project: Gigabit Ethernet Adapters, ADDR-Module + * Version: $Revision: 1.52 $ + * Date: $Date: 2003/06/02 13:46:15 $ + * Purpose: Manage Addresses (Multicast and Unicast) and Promiscuous Mode. + * + ******************************************************************************/ + +/****************************************************************************** + * + * (C)Copyright 1998-2002 SysKonnect GmbH. + * (C)Copyright 2002-2003 Marvell. + * + * 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. + * + ******************************************************************************/ + +/****************************************************************************** + * + * 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" + * + ******************************************************************************/ + +#if (defined(DEBUG) || ((!defined(LINT)) && (!defined(SK_SLIM)))) +static const char SysKonnectFileId[] = + "@(#) $Id: skaddr.c,v 1.52 2003/06/02 13:46:15 tschilli Exp $ (C) Marvell."; +#endif /* DEBUG ||!LINT || !SK_SLIM */ + +#define __SKADDR_C + +#ifdef __cplusplus +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. */ + +static const SK_U16 OnesHash[4] = {0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF}; + +/* local variables ************************************************************/ + +#ifdef DEBUG +static int Next0[SK_MAX_MACS] = {0}; +#endif /* DEBUG */ + +static int SkAddrGmacMcAdd(SK_AC *pAC, SK_IOC IoC, SK_U32 PortNumber, + SK_MAC_ADDR *pMc, int Flags); +static int SkAddrGmacMcClear(SK_AC *pAC, SK_IOC IoC, SK_U32 PortNumber, + int Flags); +static int SkAddrGmacMcUpdate(SK_AC *pAC, SK_IOC IoC, SK_U32 PortNumber); +static int SkAddrGmacPromiscuousChange(SK_AC *pAC, SK_IOC IoC, + SK_U32 PortNumber, int NewPromMode); +static int SkAddrXmacMcAdd(SK_AC *pAC, SK_IOC IoC, SK_U32 PortNumber, + SK_MAC_ADDR *pMc, int Flags); +static int SkAddrXmacMcClear(SK_AC *pAC, SK_IOC IoC, SK_U32 PortNumber, + int Flags); +static int SkAddrXmacMcUpdate(SK_AC *pAC, SK_IOC IoC, SK_U32 PortNumber); +static int SkAddrXmacPromiscuousChange(SK_AC *pAC, SK_IOC IoC, + SK_U32 PortNumber, int NewPromMode); + +/* 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, (SK_U8) 0, + (SK_U16) 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: +#ifndef SK_NO_RLMT + for (i = 0; i < SK_MAX_NETS; i++) { + pAC->Addr.Net[i].ActivePort = pAC->Rlmt.Net[i].ActivePort; + } +#endif /* !SK_NO_RLMT */ +#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]; +#ifdef GENESIS + if (pAC->GIni.GIGenesis) { + XM_OUTADDR(IoC, i, XM_SA, OutAddr); + } +#endif /* GENESIS */ +#ifdef YUKON + if (!pAC->GIni.GIGenesis) { + GM_OUTADDR(IoC, i, GM_SRC_ADDR_1L, OutAddr); + } +#endif /* YUKON */ +#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 */ + +#ifndef SK_SLIM + +/****************************************************************************** + * + * 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.GIGenesis) { + ReturnCode = SkAddrXmacMcClear(pAC, IoC, PortNumber, Flags); + } + else { + ReturnCode = SkAddrGmacMcClear(pAC, IoC, PortNumber, Flags); + } + + return (ReturnCode); + +} /* SkAddrMcClear */ + +#endif /* !SK_SLIM */ + +#ifndef SK_SLIM + +/****************************************************************************** + * + * 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 + */ +static 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 */ + +#endif /* !SK_SLIM */ + +#ifndef SK_SLIM + +/****************************************************************************** + * + * 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 + */ +static 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. + */ +static 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. + */ +static 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 /* !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.GIGenesis) { + 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 + */ +static 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 + */ +static 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 */ + +#endif /* !SK_SLIM */ + +/****************************************************************************** + * + * 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 = 0; +#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 + */ +static 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 + */ +static 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); + } + + 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; + +#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 */ + } + +#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.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 */ + + +#endif /* SK_NO_MAO */ + +/****************************************************************************** + * + * 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 = 0; +#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 = + SkAddrXmacPromiscuousChange(pAC, IoC, PortNumber, NewPromMode); + } +#endif /* GENESIS */ +#ifdef YUKON + if (!pAC->GIni.GIGenesis) { + ReturnCode = + SkAddrGmacPromiscuousChange(pAC, IoC, PortNumber, NewPromMode); + } +#endif /* YUKON */ + + return (ReturnCode); + +} /* SkAddrPromiscuousChange */ + +#ifdef GENESIS + +/****************************************************************************** + * + * 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 + */ +static 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, (int) 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, (int) 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, (int) 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, (int) PortNumber, SK_TRUE); + } + else if ((CurPromMode & SK_PROM_MODE_LLC) && + !(NewPromMode & SK_PROM_MODE_LLC)) { /* Norm. LLC. */ + /* Clear Promiscuous Mode */ + SkMacPromiscMode(pAC, IoC, (int) PortNumber, SK_FALSE); + } + + return (SK_ADDR_SUCCESS); + +} /* SkAddrXmacPromiscuousChange */ + +#endif /* GENESIS */ + +#ifdef YUKON + +/****************************************************************************** + * + * 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 + */ +static 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, (int) 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, (int) 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, (int) PortNumber, SK_TRUE); + } + else if ((CurPromMode & SK_PROM_MODE_LLC) && + !(NewPromMode & SK_PROM_MODE_LLC)) { /* Norm. LLC */ + + /* Clear Promiscuous Mode. */ + SkMacPromiscMode(pAC, IoC, (int) PortNumber, SK_FALSE); + } + + return (SK_ADDR_SUCCESS); + +} /* SkAddrGmacPromiscuousChange */ + +#endif /* YUKON */ + +#ifndef SK_SLIM + +/****************************************************************************** + * + * 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.GIGenesis) { + 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 */ + +#endif /* !SK_SLIM */ + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + |