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| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-02-20 02:40:16 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-02-20 02:40:16 +0000 |
| commit | 2735e5d04bb3ff8eb7a27b08c89ca482a8e64171 (patch) | |
| tree | b69eac901cf878cca71c5aedb4f18a3f61d2ba46 /MdeModulePkg/Universal/Network | |
| parent | b32e18f259240c8be5298d78e50afd420dfac746 (diff) | |
| download | edk2-2735e5d04bb3ff8eb7a27b08c89ca482a8e64171.zip edk2-2735e5d04bb3ff8eb7a27b08c89ca482a8e64171.tar.gz edk2-2735e5d04bb3ff8eb7a27b08c89ca482a8e64171.tar.bz2 | |
rename
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4731 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Universal/Network')
| -rw-r--r-- | MdeModulePkg/Universal/Network/SnpDxe/Station_address.c | 237 |
1 files changed, 237 insertions, 0 deletions
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;
+}
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