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| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-02-20 02:35:04 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-02-20 02:35:04 +0000 |
| commit | c74593cd394ae2135d910915a6a455e0a5cea221 (patch) | |
| tree | 021d06f22d8bc6b26d166c786d11cb13e8876500 /MdeModulePkg | |
| parent | 75d0f44d480192265172a80247cdac3c12799ace (diff) | |
| download | edk2-c74593cd394ae2135d910915a6a455e0a5cea221.zip edk2-c74593cd394ae2135d910915a6a455e0a5cea221.tar.gz edk2-c74593cd394ae2135d910915a6a455e0a5cea221.tar.bz2 | |
rename
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4721 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Universal/Network/SnpDxe/Initialize.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Network/SnpDxe/Initialize.c b/MdeModulePkg/Universal/Network/SnpDxe/Initialize.c new file mode 100644 index 0000000..69154fc --- /dev/null +++ b/MdeModulePkg/Universal/Network/SnpDxe/Initialize.c @@ -0,0 +1,245 @@ +/** @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:
+ initialize.c
+
+Abstract:
+
+Revision history:
+ 2000-Feb-09 M(f)J Genesis.
+
+**/
+
+
+#include "Snp.h"
+
+VOID
+EFIAPI
+SnpWaitForPacketNotify (
+ IN EFI_EVENT Event,
+ IN VOID *SnpPtr
+ );
+
+
+/**
+ this routine calls undi to initialize the interface.
+
+ @param snp pointer to snp driver structure
+ @param CableDetectFlag Do/don't detect the cable (depending on what undi
+ supports)
+
+
+**/
+EFI_STATUS
+pxe_init (
+ SNP_DRIVER *snp,
+ UINT16 CableDetectFlag
+ )
+{
+ PXE_CPB_INITIALIZE *cpb;
+ VOID *addr;
+ EFI_STATUS Status;
+
+ cpb = snp->cpb;
+ if (snp->tx_rx_bufsize != 0) {
+ Status = snp->IoFncs->AllocateBuffer (
+ snp->IoFncs,
+ AllocateAnyPages,
+ EfiBootServicesData,
+ SNP_MEM_PAGES (snp->tx_rx_bufsize),
+ &addr,
+ 0
+ );
+
+ if (Status != EFI_SUCCESS) {
+ DEBUG (
+ (EFI_D_ERROR,
+ "\nsnp->pxe_init() AllocateBuffer %xh (%r)\n",
+ Status,
+ Status)
+ );
+
+ return Status;
+ }
+
+ ASSERT (addr);
+
+ snp->tx_rx_buffer = addr;
+ }
+
+ cpb->MemoryAddr = (UINT64)(UINTN) snp->tx_rx_buffer;
+
+ cpb->MemoryLength = snp->tx_rx_bufsize;
+
+ //
+ // let UNDI decide/detect these values
+ //
+ cpb->LinkSpeed = 0;
+ cpb->TxBufCnt = 0;
+ cpb->TxBufSize = 0;
+ cpb->RxBufCnt = 0;
+ cpb->RxBufSize = 0;
+
+ cpb->DuplexMode = PXE_DUPLEX_DEFAULT;
+
+ cpb->LoopBackMode = LOOPBACK_NORMAL;
+
+ snp->cdb.OpCode = PXE_OPCODE_INITIALIZE;
+ snp->cdb.OpFlags = CableDetectFlag;
+
+ snp->cdb.CPBsize = sizeof (PXE_CPB_INITIALIZE);
+ snp->cdb.DBsize = sizeof (PXE_DB_INITIALIZE);
+
+ snp->cdb.CPBaddr = (UINT64)(UINTN) snp->cpb;
+ snp->cdb.DBaddr = (UINT64)(UINTN) snp->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;
+
+ DEBUG ((EFI_D_NET, "\nsnp->undi.initialize() "));
+
+ (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);
+
+ if (snp->cdb.StatCode == PXE_STATCODE_SUCCESS) {
+ snp->mode.State = EfiSimpleNetworkInitialized;
+
+ Status = EFI_SUCCESS;
+ } else {
+ DEBUG (
+ (EFI_D_WARN,
+ "\nsnp->undi.initialize() %xh:%xh\n",
+ snp->cdb.StatFlags,
+ snp->cdb.StatCode)
+ );
+
+ if (snp->tx_rx_buffer != NULL) {
+ snp->IoFncs->FreeBuffer (
+ snp->IoFncs,
+ SNP_MEM_PAGES (snp->tx_rx_bufsize),
+ (VOID *) snp->tx_rx_buffer
+ );
+ }
+
+ snp->tx_rx_buffer = NULL;
+
+ Status = EFI_DEVICE_ERROR;
+ }
+
+ return Status;
+}
+
+
+/**
+ This is the SNP interface routine for initializing the interface
+ This routine basically retrieves snp structure, checks the SNP state and
+ calls the pxe_initialize routine to actually do the undi initialization
+
+ @param this context pointer
+ @param extra_rx_buffer_size optional parameter, indicates extra space for
+ rx_buffers
+ @param extra_tx_buffer_size optional parameter, indicates extra space for
+ tx_buffers
+
+
+**/
+EFI_STATUS
+EFIAPI
+snp_undi32_initialize (
+ IN EFI_SIMPLE_NETWORK_PROTOCOL *this,
+ IN UINTN extra_rx_buffer_size OPTIONAL,
+ IN UINTN extra_tx_buffer_size OPTIONAL
+ )
+{
+ EFI_STATUS EfiStatus;
+ SNP_DRIVER *snp;
+ 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) {
+ EfiStatus = EFI_INVALID_PARAMETER;
+ goto ON_EXIT;
+ }
+
+ switch (snp->mode.State) {
+ case EfiSimpleNetworkStarted:
+ break;
+
+ case EfiSimpleNetworkStopped:
+ EfiStatus = EFI_NOT_STARTED;
+ goto ON_EXIT;
+
+ default:
+ EfiStatus = EFI_DEVICE_ERROR;
+ goto ON_EXIT;
+ }
+
+ EfiStatus = gBS->CreateEvent (
+ EVT_NOTIFY_WAIT,
+ TPL_NOTIFY,
+ &SnpWaitForPacketNotify,
+ snp,
+ &snp->snp.WaitForPacket
+ );
+
+ if (EFI_ERROR (EfiStatus)) {
+ snp->snp.WaitForPacket = NULL;
+ EfiStatus = EFI_DEVICE_ERROR;
+ goto ON_EXIT;
+ }
+ //
+ //
+ //
+ snp->mode.MCastFilterCount = 0;
+ snp->mode.ReceiveFilterSetting = 0;
+ ZeroMem (snp->mode.MCastFilter, sizeof snp->mode.MCastFilter);
+ CopyMem (
+ &snp->mode.CurrentAddress,
+ &snp->mode.PermanentAddress,
+ sizeof (EFI_MAC_ADDRESS)
+ );
+
+ //
+ // Compute tx/rx buffer sizes based on UNDI init info and parameters.
+ //
+ snp->tx_rx_bufsize = (UINT32) (snp->init_info.MemoryRequired + extra_rx_buffer_size + extra_tx_buffer_size);
+
+ if (snp->mode.MediaPresentSupported) {
+ if (pxe_init (snp, PXE_OPFLAGS_INITIALIZE_DETECT_CABLE) == EFI_SUCCESS) {
+ snp->mode.MediaPresent = TRUE;
+ goto ON_EXIT;
+ }
+ }
+
+ snp->mode.MediaPresent = FALSE;
+
+ EfiStatus = pxe_init (snp, PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE);
+
+ if (EFI_ERROR (EfiStatus)) {
+ gBS->CloseEvent (snp->snp.WaitForPacket);
+ }
+
+ON_EXIT:
+ gBS->RestoreTPL (OldTpl);
+
+ return EfiStatus;
+}
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