+/** @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
+ initialize.c\r
+\r
+Abstract:\r
+\r
+Revision history:\r
+ 2000-Feb-09 M(f)J Genesis.\r
+\r
+**/\r
+\r
+\r
+#include "Snp.h"\r
+\r
+VOID\r
+EFIAPI\r
+SnpWaitForPacketNotify (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *SnpPtr\r
+ );\r
+\r
+\r
+/**\r
+ this routine calls undi to initialize the interface.\r
+\r
+ @param snp pointer to snp driver structure\r
+ @param CableDetectFlag Do/don't detect the cable (depending on what undi\r
+ supports)\r
+\r
+\r
+**/\r
+EFI_STATUS\r
+pxe_init (\r
+ SNP_DRIVER *snp,\r
+ UINT16 CableDetectFlag\r
+ )\r
+{\r
+ PXE_CPB_INITIALIZE *cpb;\r
+ VOID *addr;\r
+ EFI_STATUS Status;\r
+\r
+ cpb = snp->cpb;\r
+ if (snp->tx_rx_bufsize != 0) {\r
+ Status = snp->IoFncs->AllocateBuffer (\r
+ snp->IoFncs,\r
+ AllocateAnyPages,\r
+ EfiBootServicesData,\r
+ SNP_MEM_PAGES (snp->tx_rx_bufsize),\r
+ &addr,\r
+ 0\r
+ );\r
+\r
+ if (Status != EFI_SUCCESS) {\r
+ DEBUG (\r
+ (EFI_D_ERROR,\r
+ "\nsnp->pxe_init() AllocateBuffer %xh (%r)\n",\r
+ Status,\r
+ Status)\r
+ );\r
+\r
+ return Status;\r
+ }\r
+\r
+ ASSERT (addr);\r
+\r
+ snp->tx_rx_buffer = addr;\r
+ }\r
+\r
+ cpb->MemoryAddr = (UINT64)(UINTN) snp->tx_rx_buffer;\r
+\r
+ cpb->MemoryLength = snp->tx_rx_bufsize;\r
+\r
+ //\r
+ // let UNDI decide/detect these values\r
+ //\r
+ cpb->LinkSpeed = 0;\r
+ cpb->TxBufCnt = 0;\r
+ cpb->TxBufSize = 0;\r
+ cpb->RxBufCnt = 0;\r
+ cpb->RxBufSize = 0;\r
+\r
+ cpb->DuplexMode = PXE_DUPLEX_DEFAULT;\r
+\r
+ cpb->LoopBackMode = LOOPBACK_NORMAL;\r
+\r
+ snp->cdb.OpCode = PXE_OPCODE_INITIALIZE;\r
+ snp->cdb.OpFlags = CableDetectFlag;\r
+\r
+ snp->cdb.CPBsize = sizeof (PXE_CPB_INITIALIZE);\r
+ snp->cdb.DBsize = sizeof (PXE_DB_INITIALIZE);\r
+\r
+ snp->cdb.CPBaddr = (UINT64)(UINTN) snp->cpb;\r
+ snp->cdb.DBaddr = (UINT64)(UINTN) snp->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
+ DEBUG ((EFI_D_NET, "\nsnp->undi.initialize() "));\r
+\r
+ (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);\r
+\r
+ if (snp->cdb.StatCode == PXE_STATCODE_SUCCESS) {\r
+ snp->mode.State = EfiSimpleNetworkInitialized;\r
+\r
+ Status = EFI_SUCCESS;\r
+ } else {\r
+ DEBUG (\r
+ (EFI_D_WARN,\r
+ "\nsnp->undi.initialize() %xh:%xh\n",\r
+ snp->cdb.StatFlags,\r
+ snp->cdb.StatCode)\r
+ );\r
+\r
+ if (snp->tx_rx_buffer != NULL) {\r
+ snp->IoFncs->FreeBuffer (\r
+ snp->IoFncs,\r
+ SNP_MEM_PAGES (snp->tx_rx_bufsize),\r
+ (VOID *) snp->tx_rx_buffer\r
+ );\r
+ }\r
+\r
+ snp->tx_rx_buffer = NULL;\r
+\r
+ Status = EFI_DEVICE_ERROR;\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+\r
+/**\r
+ This is the SNP interface routine for initializing the interface\r
+ This routine basically retrieves snp structure, checks the SNP state and\r
+ calls the pxe_initialize routine to actually do the undi initialization\r
+\r
+ @param this context pointer\r
+ @param extra_rx_buffer_size optional parameter, indicates extra space for\r
+ rx_buffers\r
+ @param extra_tx_buffer_size optional parameter, indicates extra space for\r
+ tx_buffers\r
+\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+snp_undi32_initialize (\r
+ IN EFI_SIMPLE_NETWORK_PROTOCOL *this,\r
+ IN UINTN extra_rx_buffer_size OPTIONAL,\r
+ IN UINTN extra_tx_buffer_size OPTIONAL\r
+ )\r
+{\r
+ EFI_STATUS EfiStatus;\r
+ SNP_DRIVER *snp;\r
+ EFI_TPL OldTpl;\r
+\r
+ //\r
+ //\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
+ if (snp == NULL) {\r
+ EfiStatus = EFI_INVALID_PARAMETER;\r
+ goto ON_EXIT;\r
+ }\r
+\r
+ switch (snp->mode.State) {\r
+ case EfiSimpleNetworkStarted:\r
+ break;\r
+\r
+ case EfiSimpleNetworkStopped:\r
+ EfiStatus = EFI_NOT_STARTED;\r
+ goto ON_EXIT;\r
+\r
+ default:\r
+ EfiStatus = EFI_DEVICE_ERROR;\r
+ goto ON_EXIT;\r
+ }\r
+\r
+ EfiStatus = gBS->CreateEvent (\r
+ EVT_NOTIFY_WAIT,\r
+ TPL_NOTIFY,\r
+ &SnpWaitForPacketNotify,\r
+ snp,\r
+ &snp->snp.WaitForPacket\r
+ );\r
+\r
+ if (EFI_ERROR (EfiStatus)) {\r
+ snp->snp.WaitForPacket = NULL;\r
+ EfiStatus = EFI_DEVICE_ERROR;\r
+ goto ON_EXIT;\r
+ }\r
+ //\r
+ //\r
+ //\r
+ snp->mode.MCastFilterCount = 0;\r
+ snp->mode.ReceiveFilterSetting = 0;\r
+ ZeroMem (snp->mode.MCastFilter, sizeof snp->mode.MCastFilter);\r
+ CopyMem (\r
+ &snp->mode.CurrentAddress,\r
+ &snp->mode.PermanentAddress,\r
+ sizeof (EFI_MAC_ADDRESS)\r
+ );\r
+\r
+ //\r
+ // Compute tx/rx buffer sizes based on UNDI init info and parameters.\r
+ //\r
+ snp->tx_rx_bufsize = (UINT32) (snp->init_info.MemoryRequired + extra_rx_buffer_size + extra_tx_buffer_size);\r
+\r
+ if (snp->mode.MediaPresentSupported) {\r
+ if (pxe_init (snp, PXE_OPFLAGS_INITIALIZE_DETECT_CABLE) == EFI_SUCCESS) {\r
+ snp->mode.MediaPresent = TRUE;\r
+ goto ON_EXIT;\r
+ }\r
+ }\r
+\r
+ snp->mode.MediaPresent = FALSE;\r
+\r
+ EfiStatus = pxe_init (snp, PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE);\r
+\r
+ if (EFI_ERROR (EfiStatus)) {\r
+ gBS->CloseEvent (snp->snp.WaitForPacket);\r
+ }\r
+\r
+ON_EXIT:\r
+ gBS->RestoreTPL (OldTpl);\r
+\r
+ return EfiStatus;\r
+}\r
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