rename

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4727 6f19259b-4bc3-4df7-8a09-765794883524
2008-02-20 02:38:17 +00:00 · 2008-02-20 02:38:17 +00:00 · a0818cc106
parent a7e0614aaf
commit a0818cc106
1 changed files with 148 additions and 0 deletions
--- a/MdeModulePkg/Universal/Network/SnpDxe/Shutdown.c
+++ b/MdeModulePkg/Universal/Network/SnpDxe/Shutdown.c
@ -0,0 +1,148 @@
+/** @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:
+  shutdown.c
+
+Abstract:
+
+Revision history:
+  2000-Feb-14 M(f)J   Genesis.
+
+**/
+
+#include "Snp.h"
+
+
+/**
+  this routine calls undi to shut down the interface.
+
+  @param  snp   pointer to snp driver structure
+
+
+**/
+EFI_STATUS
+pxe_shutdown (
+  IN SNP_DRIVER *snp
+  )
+{
+  snp->cdb.OpCode     = PXE_OPCODE_SHUTDOWN;
+  snp->cdb.OpFlags    = PXE_OPFLAGS_NOT_USED;
+  snp->cdb.CPBsize    = PXE_CPBSIZE_NOT_USED;
+  snp->cdb.DBsize     = PXE_DBSIZE_NOT_USED;
+  snp->cdb.CPBaddr    = PXE_CPBADDR_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.shutdown()  "));
+
+  (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);
+
+  if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {
+    //
+    // UNDI could not be shutdown. Return UNDI error.
+    //
+    DEBUG ((EFI_D_WARN, "\nsnp->undi.shutdown()  %xh:%xh\n", snp->cdb.StatFlags, snp->cdb.StatCode));
+
+    return EFI_DEVICE_ERROR;
+  }
+  //
+  // Free allocated memory.
+  //
+  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;
+  snp->tx_rx_bufsize  = 0;
+
+  return EFI_SUCCESS;
+}
+
+
+/**
+  This is the SNP interface routine for shutting down the interface
+  This routine basically retrieves snp structure, checks the SNP state and
+  calls the pxe_shutdown routine to actually do the undi shutdown
+
+  @param  this  context pointer
+
+
+**/
+EFI_STATUS
+EFIAPI
+snp_undi32_shutdown (
+  IN EFI_SIMPLE_NETWORK_PROTOCOL *this
+  )
+{
+  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);
+
+  //
+  //
+  //
+  switch (snp->mode.State) {
+  case EfiSimpleNetworkInitialized:
+    break;
+
+  case EfiSimpleNetworkStopped:
+    Status = EFI_NOT_STARTED;
+    goto ON_EXIT;
+
+  default:
+    Status = EFI_DEVICE_ERROR;
+    goto ON_EXIT;
+  }
+  //
+  //
+  //
+  Status                          = pxe_shutdown (snp);
+
+  snp->mode.State                 = EfiSimpleNetworkStarted;
+  snp->mode.ReceiveFilterSetting  = 0;
+
+  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)
+    );
+
+  gBS->CloseEvent (snp->snp.WaitForPacket);
+
+ON_EXIT:
+  gBS->RestoreTPL (OldTpl);
+
+  return Status;
+}