rename

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4724 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdeModulePkg/Universal/Network/SnpDxe/Receive.c b/MdeModulePkg/Universal/Network/SnpDxe/Receive.c
new file mode 100644 (file)
index 0000000..b6f0c55
--- /dev/null
+++ b/MdeModulePkg/Universal/Network/SnpDxe/Receive.c
@@ -0,0 +1,216 @@
+/** @file\r
+Copyright (c) 2004 - 2007, Intel Corporation\r
+All rights reserved. This program and the accompanying materials\r
+are licensed and made available under the terms and conditions of the BSD License\r
+which accompanies this distribution.  The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php\r
+\r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+Module name:\r
+    receive.c\r
+\r
+Abstract:\r
+\r
+Revision history:\r
+    2000-Feb-03 M(f)J   Genesis.\r
+\r
+**/\r
+\r
+\r
+#include "Snp.h"\r
+\r
+/**\r
+  this routine calls undi to receive a packet and fills in the data in the\r
+  input pointers!\r
+\r
+  @param  snp                 pointer to snp driver structure\r
+  @param  BufferPtr           pointer to the memory for the received data\r
+  @param  BuffSizePtr         is a pointer to the length of the buffer on entry and\r
+                              contains the length of the received data on return\r
+  @param  HeaderSizePtr       pointer to the header portion of the data received.\r
+  @param  SourceAddrPtr       optional parameter, is a pointer to contain the\r
+                              source ethernet address on return\r
+  @param  DestinationAddrPtr  optional parameter, is a pointer to contain the\r
+                              destination ethernet address on return\r
+  @param  ProtocolPtr         optional parameter, is a pointer to contain the\r
+                              protocol type from the ethernet header on return\r
+\r
+\r
+**/\r
+STATIC\r
+EFI_STATUS\r
+pxe_receive (\r
+  SNP_DRIVER      *snp,\r
+  VOID            *BufferPtr,\r
+  UINTN           *BuffSizePtr,\r
+  UINTN           *HeaderSizePtr,\r
+  EFI_MAC_ADDRESS *SourceAddrPtr,\r
+  EFI_MAC_ADDRESS *DestinationAddrPtr,\r
+  UINT16          *ProtocolPtr\r
+  )\r
+{\r
+  PXE_CPB_RECEIVE *cpb;\r
+  PXE_DB_RECEIVE  *db;\r
+  UINTN           buf_size;\r
+\r
+  cpb       = snp->cpb;\r
+  db        = snp->db;\r
+  buf_size  = *BuffSizePtr;\r
+\r
+  cpb->BufferAddr = (UINT64)(UINTN) BufferPtr;\r
+  cpb->BufferLen  = (UINT32) *BuffSizePtr;\r
+\r
+  cpb->reserved       = 0;\r
+\r
+  snp->cdb.OpCode     = PXE_OPCODE_RECEIVE;\r
+  snp->cdb.OpFlags    = PXE_OPFLAGS_NOT_USED;\r
+\r
+  snp->cdb.CPBsize    = sizeof (PXE_CPB_RECEIVE);\r
+  snp->cdb.CPBaddr    = (UINT64)(UINTN) cpb;\r
+\r
+  snp->cdb.DBsize     = sizeof (PXE_DB_RECEIVE);\r
+  snp->cdb.DBaddr     = (UINT64)(UINTN) db;\r
+\r
+  snp->cdb.StatCode   = PXE_STATCODE_INITIALIZE;\r
+  snp->cdb.StatFlags  = PXE_STATFLAGS_INITIALIZE;\r
+  snp->cdb.IFnum      = snp->if_num;\r
+  snp->cdb.Control    = PXE_CONTROL_LAST_CDB_IN_LIST;\r
+\r
+  //\r
+  // Issue UNDI command and check result.\r
+  //\r
+  DEBUG ((EFI_D_NET, "\nsnp->undi.receive ()  "));\r
+\r
+  (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);\r
+\r
+  switch (snp->cdb.StatCode) {\r
+  case PXE_STATCODE_SUCCESS:\r
+    break;\r
+\r
+  case PXE_STATCODE_NO_DATA:\r
+    DEBUG (\r
+      (EFI_D_NET,\r
+      "\nsnp->undi.receive ()  %xh:%xh\n",\r
+      snp->cdb.StatFlags,\r
+      snp->cdb.StatCode)\r
+      );\r
+\r
+    return EFI_NOT_READY;\r
+\r
+  default:\r
+    DEBUG (\r
+      (EFI_D_ERROR,\r
+      "\nsnp->undi.receive()  %xh:%xh\n",\r
+      snp->cdb.StatFlags,\r
+      snp->cdb.StatCode)\r
+      );\r
+\r
+    return EFI_DEVICE_ERROR;\r
+  }\r
+\r
+  *BuffSizePtr = db->FrameLen;\r
+\r
+  if (HeaderSizePtr != NULL) {\r
+    *HeaderSizePtr = db->MediaHeaderLen;\r
+  }\r
+\r
+  if (SourceAddrPtr != NULL) {\r
+    CopyMem (SourceAddrPtr, &db->SrcAddr, snp->mode.HwAddressSize);\r
+  }\r
+\r
+  if (DestinationAddrPtr != NULL) {\r
+    CopyMem (DestinationAddrPtr, &db->DestAddr, snp->mode.HwAddressSize);\r
+  }\r
+\r
+  if (ProtocolPtr != NULL) {\r
+    *ProtocolPtr = (UINT16) PXE_SWAP_UINT16 (db->Protocol); /*  we need to do the byte swapping */\r
+  }\r
+\r
+  return (*BuffSizePtr <= buf_size) ? EFI_SUCCESS : EFI_BUFFER_TOO_SMALL;\r
+}\r
+\r
+\r
+/**\r
+  This is the SNP interface routine for receiving network data.\r
+  This routine basically retrieves snp structure, checks the SNP state and\r
+  calls the pxe_receive routine to actually do the receive!\r
+\r
+  @param  this                context pointer\r
+  @param  HeaderSizePtr       optional parameter and is a pointer to the header\r
+                              portion of the data received.\r
+  @param  BuffSizePtr         is a pointer to the length of the buffer on entry and\r
+                              contains the length of the received data on return\r
+  @param  BufferPtr           pointer to the memory for the received data\r
+  @param  SourceAddrPtr       optional parameter, is a pointer to contain the\r
+                              source ethernet address on return\r
+  @param  DestinationAddrPtr  optional parameter, is a pointer to contain the\r
+                              destination ethernet address on return\r
+  @param  ProtocolPtr         optional parameter, is a pointer to contain the\r
+                              protocol type from the ethernet header on return\r
+\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+snp_undi32_receive (\r
+  IN EFI_SIMPLE_NETWORK_PROTOCOL * this,\r
+  OUT UINTN                      *HeaderSizePtr OPTIONAL,\r
+  IN OUT UINTN                   *BuffSizePtr,\r
+  OUT VOID                       *BufferPtr,\r
+  OUT EFI_MAC_ADDRESS            * SourceAddrPtr OPTIONAL,\r
+  OUT EFI_MAC_ADDRESS            * DestinationAddrPtr OPTIONAL,\r
+  OUT UINT16                     *ProtocolPtr OPTIONAL\r
+  )\r
+{\r
+  SNP_DRIVER  *snp;\r
+  EFI_TPL     OldTpl;\r
+  EFI_STATUS  Status;\r
+\r
+  if (this == NULL) {\r
+    return EFI_INVALID_PARAMETER;\r
+  }\r
+\r
+  snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (this);\r
+\r
+  OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
+\r
+  switch (snp->mode.State) {\r
+  case EfiSimpleNetworkInitialized:\r
+    break;\r
+\r
+  case EfiSimpleNetworkStopped:\r
+    Status = EFI_NOT_STARTED;\r
+    goto ON_EXIT;\r
+\r
+  default:\r
+    Status = EFI_DEVICE_ERROR;\r
+    goto ON_EXIT;\r
+  }\r
+\r
+  if ((BuffSizePtr == NULL) || (BufferPtr == NULL)) {\r
+    Status = EFI_INVALID_PARAMETER;\r
+    goto ON_EXIT;\r
+  }\r
+\r
+  if (!snp->mode.ReceiveFilterSetting) {\r
+    Status = EFI_DEVICE_ERROR;\r
+    goto ON_EXIT;\r
+  }\r
+\r
+  Status = pxe_receive (\r
+             snp,\r
+             BufferPtr,\r
+             BuffSizePtr,\r
+             HeaderSizePtr,\r
+             SourceAddrPtr,\r
+             DestinationAddrPtr,\r
+             ProtocolPtr\r
+             );\r
+\r
+ON_EXIT:\r
+  gBS->RestoreTPL (OldTpl);\r
+\r
+  return Status;\r
+}\r