diff options
Diffstat (limited to 'EdkModulePkg/Universal/Network/Snp32_64/Dxe/station_address.c')
| -rw-r--r-- | EdkModulePkg/Universal/Network/Snp32_64/Dxe/station_address.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/EdkModulePkg/Universal/Network/Snp32_64/Dxe/station_address.c b/EdkModulePkg/Universal/Network/Snp32_64/Dxe/station_address.c new file mode 100644 index 0000000000..2d143ef9a5 --- /dev/null +++ b/EdkModulePkg/Universal/Network/Snp32_64/Dxe/station_address.c @@ -0,0 +1,248 @@ +/*++
+Copyright (c) 2006, 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"
+
+EFI_STATUS
+pxe_get_stn_addr (
+ SNP_DRIVER *snp
+ )
+/*++
+
+Routine Description:
+ this routine calls undi to read the MAC address of the NIC and updates the
+ mode structure with the address.
+
+Arguments:
+ snp - pointer to snp driver structure
+
+Returns:
+
+--*/
+{
+ 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;
+}
+
+EFI_STATUS
+pxe_set_stn_addr (
+ SNP_DRIVER *snp,
+ EFI_MAC_ADDRESS *NewMacAddr
+ )
+/*++
+
+Routine Description:
+ this routine calls undi to set a new MAC address for the NIC,
+
+Arguments:
+ snp - pointer to snp driver structure
+ 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.
+
+Returns:
+
+--*/
+{
+ 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;
+}
+
+EFI_STATUS
+EFIAPI
+snp_undi32_station_address (
+ IN EFI_SIMPLE_NETWORK_PROTOCOL * this,
+ IN BOOLEAN ResetFlag,
+ IN EFI_MAC_ADDRESS * NewMacAddr OPTIONAL
+ )
+/*++
+
+Routine Description:
+ 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
+
+Arguments:
+ this - context pointer
+ 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.
+ ResetFlag - If true, the mac address will change to NIC's original address
+
+Returns:
+
+--*/
+{
+ SNP_DRIVER *snp;
+ EFI_STATUS Status;
+
+ //
+ // Get pointer to SNP driver instance for *this.
+ //
+ if (this == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (this);
+
+ if (snp == NULL) {
+ return EFI_DEVICE_ERROR;
+ }
+ //
+ // Return error if the SNP is not initialized.
+ //
+ switch (snp->mode.State) {
+ case EfiSimpleNetworkInitialized:
+ break;
+
+ case EfiSimpleNetworkStopped:
+ return EFI_NOT_STARTED;
+
+ case EfiSimpleNetworkStarted:
+ return EFI_DEVICE_ERROR;
+
+ default:
+ return EFI_DEVICE_ERROR;
+ }
+ //
+ // Check for invalid parameter combinations.
+ //
+ if (!ResetFlag && NewMacAddr == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (ResetFlag) {
+ Status = pxe_set_stn_addr (snp, NULL);
+ } else {
+ Status = pxe_set_stn_addr (snp, NewMacAddr);
+
+ }
+
+ return Status;
+}
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