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author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-02-20 02:41:47 +0000 |
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committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-02-20 02:41:47 +0000 |
commit | a3c5f87a011497f57c1b2d400b62e15b194db2eb (patch) | |
tree | 5c188188f7eb5378a0d6c9acb06edfe852f3265b /MdeModulePkg | |
parent | a1dbee50f5e8e9cdcc02c2fa73501aebb44c98ca (diff) | |
download | edk2-a3c5f87a011497f57c1b2d400b62e15b194db2eb.zip edk2-a3c5f87a011497f57c1b2d400b62e15b194db2eb.tar.gz edk2-a3c5f87a011497f57c1b2d400b62e15b194db2eb.tar.bz2 |
rename
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4734 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg')
-rw-r--r-- | MdeModulePkg/Universal/Network/SnpDxe/Transmit.c | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Network/SnpDxe/Transmit.c b/MdeModulePkg/Universal/Network/SnpDxe/Transmit.c new file mode 100644 index 0000000..8ee0cad --- /dev/null +++ b/MdeModulePkg/Universal/Network/SnpDxe/Transmit.c @@ -0,0 +1,327 @@ +/** @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:
+
+ transmit.c
+
+Abstract:
+
+Revision history:
+ 2000-Feb-03 M(f)J Genesis.
+
+**/
+
+#include "Snp.h"
+
+
+/**
+ This routine calls undi to create the meadia header for the given data buffer.
+
+ @param snp pointer to SNP driver structure
+ @param MacHeaderPtr address where the media header will be filled in.
+ @param MacHeaderSize size of the memory at MacHeaderPtr
+ @param BufferPtr data buffer pointer
+ @param BufferLength Size of data in the BufferPtr
+ @param DestinationAddrPtr address of the destination mac address buffer
+ @param SourceAddrPtr address of the source mac address buffer
+ @param ProtocolPtr address of the protocol type
+
+ @retval EFI_SUCCESS if successfully completed the undi call
+ @retval Other error return from undi call.
+
+**/
+STATIC
+EFI_STATUS
+pxe_fillheader (
+ SNP_DRIVER *snp,
+ VOID *MacHeaderPtr,
+ UINTN MacHeaderSize,
+ VOID *BufferPtr,
+ UINTN BufferLength,
+ EFI_MAC_ADDRESS *DestinationAddrPtr,
+ EFI_MAC_ADDRESS *SourceAddrPtr,
+ UINT16 *ProtocolPtr
+ )
+{
+ PXE_CPB_FILL_HEADER_FRAGMENTED *cpb;
+
+ cpb = snp->cpb;
+ if (SourceAddrPtr) {
+ CopyMem (
+ (VOID *) cpb->SrcAddr,
+ (VOID *) SourceAddrPtr,
+ snp->mode.HwAddressSize
+ );
+ } else {
+ CopyMem (
+ (VOID *) cpb->SrcAddr,
+ (VOID *) &(snp->mode.CurrentAddress),
+ snp->mode.HwAddressSize
+ );
+ }
+
+ CopyMem (
+ (VOID *) cpb->DestAddr,
+ (VOID *) DestinationAddrPtr,
+ snp->mode.HwAddressSize
+ );
+
+ //
+ // we need to do the byte swapping
+ //
+ cpb->Protocol = (UINT16) PXE_SWAP_UINT16 (*ProtocolPtr);
+
+ cpb->PacketLen = (UINT32) (BufferLength);
+ cpb->MediaHeaderLen = (UINT16) MacHeaderSize;
+
+ cpb->FragCnt = 2;
+ cpb->reserved = 0;
+
+ cpb->FragDesc[0].FragAddr = (UINT64)(UINTN) MacHeaderPtr;
+ cpb->FragDesc[0].FragLen = (UINT32) MacHeaderSize;
+ cpb->FragDesc[1].FragAddr = (UINT64)(UINTN) BufferPtr;
+ cpb->FragDesc[1].FragLen = (UINT32) BufferLength;
+
+ cpb->FragDesc[0].reserved = cpb->FragDesc[1].reserved = 0;
+
+ snp->cdb.OpCode = PXE_OPCODE_FILL_HEADER;
+ snp->cdb.OpFlags = PXE_OPFLAGS_FILL_HEADER_FRAGMENTED;
+
+ snp->cdb.DBsize = PXE_DBSIZE_NOT_USED;
+ snp->cdb.DBaddr = PXE_DBADDR_NOT_USED;
+
+ snp->cdb.CPBsize = sizeof (PXE_CPB_FILL_HEADER_FRAGMENTED);
+ snp->cdb.CPBaddr = (UINT64)(UINTN) cpb;
+
+ 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.fill_header() "));
+
+ (*snp->issue_undi32_command) ((UINT64) (UINTN) &snp->cdb);
+
+ switch (snp->cdb.StatCode) {
+ case PXE_STATCODE_SUCCESS:
+ return EFI_SUCCESS;
+
+ case PXE_STATCODE_INVALID_PARAMETER:
+ DEBUG (
+ (EFI_D_ERROR,
+ "\nsnp->undi.fill_header() %xh:%xh\n",
+ snp->cdb.StatFlags,
+ snp->cdb.StatCode)
+ );
+
+ return EFI_INVALID_PARAMETER;
+
+ default:
+ DEBUG (
+ (EFI_D_ERROR,
+ "\nsnp->undi.fill_header() %xh:%xh\n",
+ snp->cdb.StatFlags,
+ snp->cdb.StatCode)
+ );
+
+ return EFI_DEVICE_ERROR;
+ }
+}
+
+
+/**
+ This routine calls undi to transmit the given data buffer
+
+ @param snp pointer to SNP driver structure
+ @param BufferPtr data buffer pointer
+ @param BufferLength Size of data in the BufferPtr
+
+ @retval EFI_SUCCESS if successfully completed the undi call
+ @retval Other error return from undi call.
+
+**/
+STATIC
+EFI_STATUS
+pxe_transmit (
+ SNP_DRIVER *snp,
+ VOID *BufferPtr,
+ UINTN BufferLength
+ )
+{
+ PXE_CPB_TRANSMIT *cpb;
+ EFI_STATUS Status;
+
+ cpb = snp->cpb;
+ cpb->FrameAddr = (UINT64) (UINTN) BufferPtr;
+ cpb->DataLen = (UINT32) BufferLength;
+
+ cpb->MediaheaderLen = 0;
+ cpb->reserved = 0;
+
+ snp->cdb.OpFlags = PXE_OPFLAGS_TRANSMIT_WHOLE;
+
+ snp->cdb.CPBsize = sizeof (PXE_CPB_TRANSMIT);
+ snp->cdb.CPBaddr = (UINT64)(UINTN) cpb;
+
+ snp->cdb.OpCode = PXE_OPCODE_TRANSMIT;
+ snp->cdb.DBsize = PXE_DBSIZE_NOT_USED;
+ snp->cdb.DBaddr = PXE_DBADDR_NOT_USED;
+
+ 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.transmit() "));
+ DEBUG ((EFI_D_NET, "\nsnp->cdb.OpCode == %x", snp->cdb.OpCode));
+ DEBUG ((EFI_D_NET, "\nsnp->cdb.CPBaddr == %X", snp->cdb.CPBaddr));
+ DEBUG ((EFI_D_NET, "\nsnp->cdb.DBaddr == %X", snp->cdb.DBaddr));
+ DEBUG ((EFI_D_NET, "\ncpb->FrameAddr == %X\n", cpb->FrameAddr));
+
+ (*snp->issue_undi32_command) ((UINT64) (UINTN) &snp->cdb);
+
+ DEBUG ((EFI_D_NET, "\nexit snp->undi.transmit() "));
+ DEBUG ((EFI_D_NET, "\nsnp->cdb.StatCode == %r", snp->cdb.StatCode));
+
+ //
+ // we will unmap the buffers in get_status call, not here
+ //
+ switch (snp->cdb.StatCode) {
+ case PXE_STATCODE_SUCCESS:
+ return EFI_SUCCESS;
+
+ case PXE_STATCODE_QUEUE_FULL:
+ case PXE_STATCODE_BUSY:
+ Status = EFI_NOT_READY;
+ break;
+
+ default:
+ Status = EFI_DEVICE_ERROR;
+ }
+
+ DEBUG (
+ (EFI_D_ERROR,
+ "\nsnp->undi.transmit() %xh:%xh\n",
+ snp->cdb.StatFlags,
+ snp->cdb.StatCode)
+ );
+
+ return Status;
+}
+
+
+/**
+ This is the snp interface routine for transmitting a packet. this routine
+ basically retrieves the snp structure, checks the snp state and calls
+ pxe_fill_header and pxe_transmit calls to complete the transmission.
+
+ @param this pointer to SNP driver context
+ @param MacHeaderSize size of the memory at MacHeaderPtr
+ @param BufferLength Size of data in the BufferPtr
+ @param BufferPtr data buffer pointer
+ @param SourceAddrPtr address of the source mac address buffer
+ @param DestinationAddrPtr address of the destination mac address buffer
+ @param ProtocolPtr address of the protocol type
+
+ @retval EFI_SUCCESS if successfully completed the undi call
+ @retval Other error return from undi call.
+
+**/
+EFI_STATUS
+EFIAPI
+snp_undi32_transmit (
+ IN EFI_SIMPLE_NETWORK_PROTOCOL * this,
+ IN UINTN MacHeaderSize,
+ IN UINTN BufferLength,
+ IN VOID *BufferPtr,
+ IN EFI_MAC_ADDRESS * SourceAddrPtr OPTIONAL,
+ IN EFI_MAC_ADDRESS * DestinationAddrPtr OPTIONAL,
+ IN UINT16 *ProtocolPtr OPTIONAL
+ )
+{
+ SNP_DRIVER *snp;
+ EFI_STATUS Status;
+ EFI_TPL OldTpl;
+
+ if (this == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (this);
+
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+
+ if (snp == NULL) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ 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 (BufferPtr == NULL) {
+ Status = EFI_INVALID_PARAMETER;
+ goto ON_EXIT;
+ }
+
+ if (BufferLength < snp->mode.MediaHeaderSize) {
+ Status = EFI_BUFFER_TOO_SMALL;
+ goto ON_EXIT;
+ }
+
+ //
+ // if the MacHeaderSize is non-zero, we need to fill up the header and for that
+ // we need the destination address and the protocol
+ //
+ if (MacHeaderSize != 0) {
+ if (MacHeaderSize != snp->mode.MediaHeaderSize || DestinationAddrPtr == 0 || ProtocolPtr == 0) {
+ Status = EFI_INVALID_PARAMETER;
+ goto ON_EXIT;
+ }
+
+ Status = pxe_fillheader (
+ snp,
+ BufferPtr,
+ MacHeaderSize,
+ (UINT8 *) BufferPtr + MacHeaderSize,
+ BufferLength - MacHeaderSize,
+ DestinationAddrPtr,
+ SourceAddrPtr,
+ ProtocolPtr
+ );
+
+ if (EFI_ERROR (Status)) {
+ goto ON_EXIT;
+ }
+ }
+
+ Status = pxe_transmit (snp, BufferPtr, BufferLength);
+
+ON_EXIT:
+ gBS->RestoreTPL (OldTpl);
+
+ return Status;
+}
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