From 2735e5d04bb3ff8eb7a27b08c89ca482a8e64171 Mon Sep 17 00:00:00 2001 From: vanjeff Date: Wed, 20 Feb 2008 02:40:16 +0000 Subject: rename git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4731 6f19259b-4bc3-4df7-8a09-765794883524 --- .../Universal/Network/SnpDxe/Station_address.c | 237 +++++++++++++++++++++ 1 file changed, 237 insertions(+) create mode 100644 MdeModulePkg/Universal/Network/SnpDxe/Station_address.c (limited to 'MdeModulePkg/Universal/Network') diff --git a/MdeModulePkg/Universal/Network/SnpDxe/Station_address.c b/MdeModulePkg/Universal/Network/SnpDxe/Station_address.c new file mode 100644 index 0000000..b6e0728 --- /dev/null +++ b/MdeModulePkg/Universal/Network/SnpDxe/Station_address.c @@ -0,0 +1,237 @@ +/** @file +Copyright (c) 2004 - 2007, Intel Corporation +All rights reserved. This program and the accompanying materials +are licensed and made available under the terms and conditions of the BSD License +which accompanies this distribution. The full text of the license may be found at +http://opensource.org/licenses/bsd-license.php + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +Module name: + station_address.c + +Abstract: + +Revision history: + 2000-Feb-17 M(f)J Genesis. + +**/ + +#include "Snp.h" + + +/** + this routine calls undi to read the MAC address of the NIC and updates the + mode structure with the address. + + @param snp pointer to snp driver structure + + +**/ +EFI_STATUS +pxe_get_stn_addr ( + SNP_DRIVER *snp + ) +{ + PXE_DB_STATION_ADDRESS *db; + + db = snp->db; + snp->cdb.OpCode = PXE_OPCODE_STATION_ADDRESS; + snp->cdb.OpFlags = PXE_OPFLAGS_STATION_ADDRESS_READ; + + snp->cdb.CPBaddr = PXE_CPBADDR_NOT_USED; + snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED; + + snp->cdb.DBsize = sizeof (PXE_DB_STATION_ADDRESS); + snp->cdb.DBaddr = (UINT64)(UINTN) db; + + snp->cdb.StatCode = PXE_STATCODE_INITIALIZE; + snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE; + snp->cdb.IFnum = snp->if_num; + snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST; + + // + // Issue UNDI command and check result. + // + DEBUG ((EFI_D_NET, "\nsnp->undi.station_addr() ")); + + (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb); + + if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) { + DEBUG ( + (EFI_D_ERROR, + "\nsnp->undi.station_addr() %xh:%xh\n", + snp->cdb.StatFlags, + snp->cdb.StatCode) + ); + + return EFI_DEVICE_ERROR; + } + // + // Set new station address in SNP->Mode structure and return success. + // + CopyMem ( + &(snp->mode.CurrentAddress), + &db->StationAddr, + snp->mode.HwAddressSize + ); + + CopyMem ( + &snp->mode.BroadcastAddress, + &db->BroadcastAddr, + snp->mode.HwAddressSize + ); + + CopyMem ( + &snp->mode.PermanentAddress, + &db->PermanentAddr, + snp->mode.HwAddressSize + ); + + return EFI_SUCCESS; +} + + +/** + this routine calls undi to set a new MAC address for the NIC, + + @param snp pointer to snp driver structure + @param NewMacAddr pointer to a mac address to be set for the nic, if this is + NULL then this routine resets the mac address to the NIC's + original address. + + +**/ +STATIC +EFI_STATUS +pxe_set_stn_addr ( + SNP_DRIVER *snp, + EFI_MAC_ADDRESS *NewMacAddr + ) +{ + PXE_CPB_STATION_ADDRESS *cpb; + PXE_DB_STATION_ADDRESS *db; + + cpb = snp->cpb; + db = snp->db; + snp->cdb.OpCode = PXE_OPCODE_STATION_ADDRESS; + + if (NewMacAddr == NULL) { + snp->cdb.OpFlags = PXE_OPFLAGS_STATION_ADDRESS_RESET; + snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED; + snp->cdb.CPBaddr = PXE_CPBADDR_NOT_USED; + } else { + snp->cdb.OpFlags = PXE_OPFLAGS_STATION_ADDRESS_READ; + // + // even though the OPFLAGS are set to READ, supplying a new address + // in the CPB will make undi change the mac address to the new one. + // + CopyMem (&cpb->StationAddr, NewMacAddr, snp->mode.HwAddressSize); + + snp->cdb.CPBsize = sizeof (PXE_CPB_STATION_ADDRESS); + snp->cdb.CPBaddr = (UINT64)(UINTN) cpb; + } + + snp->cdb.DBsize = sizeof (PXE_DB_STATION_ADDRESS); + snp->cdb.DBaddr = (UINT64)(UINTN) db; + + snp->cdb.StatCode = PXE_STATCODE_INITIALIZE; + snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE; + snp->cdb.IFnum = snp->if_num; + snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST; + + // + // Issue UNDI command and check result. + // + DEBUG ((EFI_D_NET, "\nsnp->undi.station_addr() ")); + + (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb); + + if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) { + DEBUG ( + (EFI_D_ERROR, + "\nsnp->undi.station_addr() %xh:%xh\n", + snp->cdb.StatFlags, + snp->cdb.StatCode) + ); + + // + // UNDI command failed. Return UNDI status to caller. + // + return EFI_DEVICE_ERROR; + } + // + // read the changed address and save it in SNP->Mode structure + // + pxe_get_stn_addr (snp); + + return EFI_SUCCESS; +} + + +/** + This is the SNP interface routine for changing the NIC's mac address. + This routine basically retrieves snp structure, checks the SNP state and + calls the above routines to actually do the work + + @param this context pointer + @param NewMacAddr pointer to a mac address to be set for the nic, if this is + NULL then this routine resets the mac address to the NIC's + original address. + @param ResetFlag If true, the mac address will change to NIC's original + address + + +**/ +EFI_STATUS +EFIAPI +snp_undi32_station_address ( + IN EFI_SIMPLE_NETWORK_PROTOCOL * this, + IN BOOLEAN ResetFlag, + IN EFI_MAC_ADDRESS * NewMacAddr OPTIONAL + ) +{ + SNP_DRIVER *snp; + EFI_STATUS Status; + EFI_TPL OldTpl; + + // + // Check for invalid parameter combinations. + // + if ((this == NULL) || + (!ResetFlag && (NewMacAddr == NULL))) { + return EFI_INVALID_PARAMETER; + } + + snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (this); + + OldTpl = gBS->RaiseTPL (TPL_CALLBACK); + + // + // Return error if the SNP is not initialized. + // + switch (snp->mode.State) { + case EfiSimpleNetworkInitialized: + break; + + case EfiSimpleNetworkStopped: + Status = EFI_NOT_STARTED; + goto ON_EXIT; + + default: + Status = EFI_DEVICE_ERROR; + goto ON_EXIT; + } + + if (ResetFlag) { + Status = pxe_set_stn_addr (snp, NULL); + } else { + Status = pxe_set_stn_addr (snp, NewMacAddr); + } + +ON_EXIT: + gBS->RestoreTPL (OldTpl); + + return Status; +} -- cgit v1.1