diff options
Diffstat (limited to 'NetworkPkg/SnpDxe/Snp.c')
| -rw-r--r-- | NetworkPkg/SnpDxe/Snp.c | 240 |
1 files changed, 119 insertions, 121 deletions
diff --git a/NetworkPkg/SnpDxe/Snp.c b/NetworkPkg/SnpDxe/Snp.c index d0d086e578..95361c3cd3 100644 --- a/NetworkPkg/SnpDxe/Snp.c +++ b/NetworkPkg/SnpDxe/Snp.c @@ -19,13 +19,13 @@ SPDX-License-Identifier: BSD-2-Clause-Patent VOID
EFIAPI
SnpNotifyExitBootServices (
- EFI_EVENT Event,
- VOID *Context
+ EFI_EVENT Event,
+ VOID *Context
)
{
- SNP_DRIVER *Snp;
+ SNP_DRIVER *Snp;
- Snp = (SNP_DRIVER *)Context;
+ Snp = (SNP_DRIVER *)Context;
//
// Shutdown and stop UNDI driver
@@ -47,22 +47,21 @@ SnpNotifyExitBootServices ( EFI_STATUS
EFIAPI
IssueHwUndiCommand (
- UINT64 Cdb
+ UINT64 Cdb
)
{
DEBUG ((DEBUG_ERROR, "\nIssueHwUndiCommand() - This should not be called!"));
if (Cdb == 0) {
return EFI_INVALID_PARAMETER;
-
}
+
//
// %%TBD - For now, nothing is done.
//
return EFI_UNSUPPORTED;
}
-
/**
Compute 8-bit checksum of a buffer.
@@ -75,22 +74,22 @@ IssueHwUndiCommand ( **/
UINT8
Calc8BitCksum (
- VOID *Buffer,
- UINTN Length
+ VOID *Buffer,
+ UINTN Length
)
{
- UINT8 *Ptr;
- UINT8 Cksum;
+ UINT8 *Ptr;
+ UINT8 Cksum;
Ptr = Buffer;
Cksum = 0;
- if (Ptr == NULL || Length == 0) {
+ if ((Ptr == NULL) || (Length == 0)) {
return 0;
}
while (Length-- != 0) {
- Cksum = (UINT8) (Cksum + *Ptr++);
+ Cksum = (UINT8)(Cksum + *Ptr++);
}
return Cksum;
@@ -117,14 +116,14 @@ Calc8BitCksum ( EFI_STATUS
EFIAPI
SimpleNetworkDriverSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
- EFI_STATUS Status;
- EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *NiiProtocol;
- PXE_UNDI *Pxe;
+ EFI_STATUS Status;
+ EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *NiiProtocol;
+ PXE_UNDI *Pxe;
Status = gBS->OpenProtocol (
Controller,
@@ -141,7 +140,7 @@ SimpleNetworkDriverSupported ( Status = gBS->OpenProtocol (
Controller,
&gEfiNetworkInterfaceIdentifierProtocolGuid_31,
- (VOID **) &NiiProtocol,
+ (VOID **)&NiiProtocol,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
@@ -151,6 +150,7 @@ SimpleNetworkDriverSupported ( if (Status == EFI_ALREADY_STARTED) {
DEBUG ((DEBUG_INFO, "Support(): Already Started. on handle %p\n", Controller));
}
+
return Status;
}
@@ -163,6 +163,7 @@ SimpleNetworkDriverSupported ( Status = EFI_UNSUPPORTED;
goto Done;
}
+
//
// Check to see if !PXE structure is valid. Paragraph alignment of !PXE structure is required.
//
@@ -172,7 +173,7 @@ SimpleNetworkDriverSupported ( goto Done;
}
- Pxe = (PXE_UNDI *) (UINTN) (NiiProtocol->Id);
+ Pxe = (PXE_UNDI *)(UINTN)(NiiProtocol->Id);
//
// Verify !PXE revisions.
@@ -190,16 +191,15 @@ SimpleNetworkDriverSupported ( }
if (Pxe->hw.MajorVer < PXE_ROMID_MAJORVER) {
-
DEBUG ((DEBUG_NET, "\n!PXE.MajorVer is not supported.\n"));
Status = EFI_UNSUPPORTED;
goto Done;
-
- } else if (Pxe->hw.MajorVer == PXE_ROMID_MAJORVER && Pxe->hw.MinorVer < PXE_ROMID_MINORVER) {
+ } else if ((Pxe->hw.MajorVer == PXE_ROMID_MAJORVER) && (Pxe->hw.MinorVer < PXE_ROMID_MINORVER)) {
DEBUG ((DEBUG_NET, "\n!PXE.MinorVer is not supported."));
Status = EFI_UNSUPPORTED;
goto Done;
}
+
//
// Do S/W UNDI specific checks.
//
@@ -222,11 +222,11 @@ SimpleNetworkDriverSupported ( Done:
gBS->CloseProtocol (
- Controller,
- &gEfiNetworkInterfaceIdentifierProtocolGuid_31,
- This->DriverBindingHandle,
- Controller
- );
+ Controller,
+ &gEfiNetworkInterfaceIdentifierProtocolGuid_31,
+ This->DriverBindingHandle,
+ Controller
+ );
return Status;
}
@@ -252,31 +252,31 @@ Done: EFI_STATUS
EFIAPI
SimpleNetworkDriverStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
- EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *Nii;
- EFI_DEVICE_PATH_PROTOCOL *NiiDevicePath;
- EFI_STATUS Status;
- PXE_UNDI *Pxe;
- SNP_DRIVER *Snp;
- VOID *Address;
- EFI_HANDLE Handle;
- UINT8 BarIndex;
- PXE_STATFLAGS InitStatFlags;
- EFI_PCI_IO_PROTOCOL *PciIo;
- EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *BarDesc;
- BOOLEAN FoundIoBar;
- BOOLEAN FoundMemoryBar;
+ EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *Nii;
+ EFI_DEVICE_PATH_PROTOCOL *NiiDevicePath;
+ EFI_STATUS Status;
+ PXE_UNDI *Pxe;
+ SNP_DRIVER *Snp;
+ VOID *Address;
+ EFI_HANDLE Handle;
+ UINT8 BarIndex;
+ PXE_STATFLAGS InitStatFlags;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *BarDesc;
+ BOOLEAN FoundIoBar;
+ BOOLEAN FoundMemoryBar;
DEBUG ((DEBUG_NET, "\nSnpNotifyNetworkInterfaceIdentifier() "));
Status = gBS->OpenProtocol (
Controller,
&gEfiDevicePathProtocolGuid,
- (VOID **) &NiiDevicePath,
+ (VOID **)&NiiDevicePath,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
@@ -299,7 +299,7 @@ SimpleNetworkDriverStart ( Status = gBS->OpenProtocol (
Handle,
&gEfiPciIoProtocolGuid,
- (VOID **) &PciIo,
+ (VOID **)&PciIo,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
@@ -307,30 +307,31 @@ SimpleNetworkDriverStart ( if (EFI_ERROR (Status)) {
return Status;
}
+
//
// Get the NII interface.
//
Status = gBS->OpenProtocol (
Controller,
&gEfiNetworkInterfaceIdentifierProtocolGuid_31,
- (VOID **) &Nii,
+ (VOID **)&Nii,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
gBS->CloseProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
return Status;
}
DEBUG ((DEBUG_INFO, "Start(): UNDI3.1 found\n"));
- Pxe = (PXE_UNDI *) (UINTN) (Nii->Id);
+ Pxe = (PXE_UNDI *)(UINTN)(Nii->Id);
if (Calc8BitCksum (Pxe, Pxe->hw.Len) != 0) {
DEBUG ((DEBUG_NET, "\n!PXE checksum is not correct.\n"));
@@ -351,6 +352,7 @@ SimpleNetworkDriverStart ( DEBUG ((DEBUG_NET, "\nUNDI does not have promiscuous or broadcast support."));
goto NiiError;
}
+
//
// OK, we like this UNDI, and we know snp is not already there on this handle
// Allocate and initialize a new simple network protocol structure.
@@ -369,12 +371,12 @@ SimpleNetworkDriverStart ( goto NiiError;
}
- Snp = (SNP_DRIVER *) (UINTN) Address;
+ Snp = (SNP_DRIVER *)(UINTN)Address;
ZeroMem (Snp, sizeof (SNP_DRIVER));
- Snp->PciIo = PciIo;
- Snp->Signature = SNP_DRIVER_SIGNATURE;
+ Snp->PciIo = PciIo;
+ Snp->Signature = SNP_DRIVER_SIGNATURE;
EfiInitializeLock (&Snp->Lock, TPL_NOTIFY);
@@ -394,38 +396,39 @@ SimpleNetworkDriverStart ( Snp->Snp.Receive = SnpUndi32Receive;
Snp->Snp.WaitForPacket = NULL;
- Snp->Snp.Mode = &Snp->Mode;
+ Snp->Snp.Mode = &Snp->Mode;
- Snp->TxRxBufferSize = 0;
- Snp->TxRxBuffer = NULL;
+ Snp->TxRxBufferSize = 0;
+ Snp->TxRxBuffer = NULL;
Snp->RecycledTxBuf = AllocatePool (sizeof (UINT64) * SNP_TX_BUFFER_INCREASEMENT);
if (Snp->RecycledTxBuf == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto Error_DeleteSNP;
}
- Snp->MaxRecycledTxBuf = SNP_TX_BUFFER_INCREASEMENT;
- Snp->RecycledTxBufCount = 0;
+
+ Snp->MaxRecycledTxBuf = SNP_TX_BUFFER_INCREASEMENT;
+ Snp->RecycledTxBufCount = 0;
if (Nii->Revision >= EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_REVISION) {
Snp->IfNum = Nii->IfNum;
-
} else {
- Snp->IfNum = (UINT8) (Nii->IfNum & 0xFF);
+ Snp->IfNum = (UINT8)(Nii->IfNum & 0xFF);
}
if ((Pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) != 0) {
- Snp->IsSwUndi = FALSE;
- Snp->IssueUndi32Command = &IssueHwUndiCommand;
+ Snp->IsSwUndi = FALSE;
+ Snp->IssueUndi32Command = &IssueHwUndiCommand;
} else {
Snp->IsSwUndi = TRUE;
if ((Pxe->sw.Implementation & PXE_ROMID_IMP_SW_VIRT_ADDR) != 0) {
- Snp->IssueUndi32Command = (ISSUE_UNDI32_COMMAND) (UINTN) Pxe->sw.EntryPoint;
+ Snp->IssueUndi32Command = (ISSUE_UNDI32_COMMAND)(UINTN)Pxe->sw.EntryPoint;
} else {
- Snp->IssueUndi32Command = (ISSUE_UNDI32_COMMAND) (UINTN) ((UINT8) (UINTN) Pxe + Pxe->sw.EntryPoint);
+ Snp->IssueUndi32Command = (ISSUE_UNDI32_COMMAND)(UINTN)((UINT8)(UINTN)Pxe + Pxe->sw.EntryPoint);
}
}
+
//
// Allocate a global CPB and DB buffer for this UNDI interface.
// we do this because:
@@ -456,8 +459,8 @@ SimpleNetworkDriverStart ( goto Error_DeleteSNP;
}
- Snp->Cpb = (VOID *) (UINTN) Address;
- Snp->Db = (VOID *) ((UINTN) Address + 2048);
+ Snp->Cpb = (VOID *)(UINTN)Address;
+ Snp->Db = (VOID *)((UINTN)Address + 2048);
//
// Find the correct BAR to do IO.
@@ -475,7 +478,7 @@ SimpleNetworkDriverStart ( PciIo,
BarIndex,
NULL,
- (VOID**) &BarDesc
+ (VOID **)&BarDesc
);
if (Status == EFI_UNSUPPORTED) {
continue;
@@ -504,24 +507,24 @@ SimpleNetworkDriverStart ( goto Error_DeleteSNP;
}
- Snp->Cdb.OpCode = PXE_OPCODE_GET_INIT_INFO;
- Snp->Cdb.OpFlags = PXE_OPFLAGS_NOT_USED;
+ Snp->Cdb.OpCode = PXE_OPCODE_GET_INIT_INFO;
+ Snp->Cdb.OpFlags = PXE_OPFLAGS_NOT_USED;
- Snp->Cdb.CPBsize = PXE_CPBSIZE_NOT_USED;
- Snp->Cdb.CPBaddr = PXE_DBADDR_NOT_USED;
+ Snp->Cdb.CPBsize = PXE_CPBSIZE_NOT_USED;
+ Snp->Cdb.CPBaddr = PXE_DBADDR_NOT_USED;
- Snp->Cdb.DBsize = (UINT16) sizeof (Snp->InitInfo);
- Snp->Cdb.DBaddr = (UINT64)(UINTN) (&Snp->InitInfo);
+ Snp->Cdb.DBsize = (UINT16)sizeof (Snp->InitInfo);
+ Snp->Cdb.DBaddr = (UINT64)(UINTN)(&Snp->InitInfo);
- Snp->Cdb.StatCode = PXE_STATCODE_INITIALIZE;
- Snp->Cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;
+ Snp->Cdb.StatCode = PXE_STATCODE_INITIALIZE;
+ Snp->Cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;
- Snp->Cdb.IFnum = Snp->IfNum;
- Snp->Cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;
+ Snp->Cdb.IFnum = Snp->IfNum;
+ Snp->Cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;
DEBUG ((DEBUG_NET, "\nSnp->undi.get_init_info() "));
- (*Snp->IssueUndi32Command) ((UINT64)(UINTN) &Snp->Cdb);
+ (*Snp->IssueUndi32Command)((UINT64)(UINTN)&Snp->Cdb);
//
// Save the INIT Stat Code...
@@ -548,23 +551,23 @@ SimpleNetworkDriverStart ( Snp->Mode.MCastFilterCount = 0;
switch (InitStatFlags & PXE_STATFLAGS_CABLE_DETECT_MASK) {
- case PXE_STATFLAGS_CABLE_DETECT_SUPPORTED:
- Snp->CableDetectSupported = TRUE;
- break;
+ case PXE_STATFLAGS_CABLE_DETECT_SUPPORTED:
+ Snp->CableDetectSupported = TRUE;
+ break;
- case PXE_STATFLAGS_CABLE_DETECT_NOT_SUPPORTED:
- default:
- Snp->CableDetectSupported = FALSE;
+ case PXE_STATFLAGS_CABLE_DETECT_NOT_SUPPORTED:
+ default:
+ Snp->CableDetectSupported = FALSE;
}
switch (InitStatFlags & PXE_STATFLAGS_GET_STATUS_NO_MEDIA_MASK) {
- case PXE_STATFLAGS_GET_STATUS_NO_MEDIA_SUPPORTED:
- Snp->MediaStatusSupported = TRUE;
- break;
+ case PXE_STATFLAGS_GET_STATUS_NO_MEDIA_SUPPORTED:
+ Snp->MediaStatusSupported = TRUE;
+ break;
- case PXE_STATFLAGS_GET_STATUS_NO_MEDIA_NOT_SUPPORTED:
- default:
- Snp->MediaStatusSupported = FALSE;
+ case PXE_STATFLAGS_GET_STATUS_NO_MEDIA_NOT_SUPPORTED:
+ default:
+ Snp->MediaStatusSupported = FALSE;
}
if (Snp->CableDetectSupported || Snp->MediaStatusSupported) {
@@ -587,27 +590,22 @@ SimpleNetworkDriverStart ( if ((Pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) != 0) {
Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;
-
}
if ((Pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) {
Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;
-
}
if ((Pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) {
Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;
-
}
if ((Pxe->hw.Implementation & PXE_ROMID_IMP_FILTERED_MULTICAST_RX_SUPPORTED) != 0) {
Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST;
-
}
if ((Pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) != 0) {
Snp->Mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;
-
}
Snp->Mode.ReceiveFilterSetting = 0;
@@ -698,18 +696,18 @@ Error_DeleteSNP: );
NiiError:
gBS->CloseProtocol (
- Controller,
- &gEfiNetworkInterfaceIdentifierProtocolGuid_31,
- This->DriverBindingHandle,
- Controller
- );
+ Controller,
+ &gEfiNetworkInterfaceIdentifierProtocolGuid_31,
+ This->DriverBindingHandle,
+ Controller
+ );
gBS->CloseProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
//
// If we got here that means we are in error state.
@@ -742,16 +740,16 @@ NiiError: EFI_STATUS
EFIAPI
SimpleNetworkDriverStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
)
{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_PROTOCOL *SnpProtocol;
- SNP_DRIVER *Snp;
- EFI_PCI_IO_PROTOCOL *PciIo;
+ EFI_STATUS Status;
+ EFI_SIMPLE_NETWORK_PROTOCOL *SnpProtocol;
+ SNP_DRIVER *Snp;
+ EFI_PCI_IO_PROTOCOL *PciIo;
//
// Get our context back.
@@ -759,7 +757,7 @@ SimpleNetworkDriverStop ( Status = gBS->OpenProtocol (
Controller,
&gEfiSimpleNetworkProtocolGuid,
- (VOID **) &SnpProtocol,
+ (VOID **)&SnpProtocol,
This->DriverBindingHandle,
Controller,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
@@ -826,7 +824,7 @@ SimpleNetworkDriverStop ( //
// Simple Network Protocol Driver Global Variables
//
-EFI_DRIVER_BINDING_PROTOCOL gSimpleNetworkDriverBinding = {
+EFI_DRIVER_BINDING_PROTOCOL gSimpleNetworkDriverBinding = {
SimpleNetworkDriverSupported,
SimpleNetworkDriverStart,
SimpleNetworkDriverStop,
@@ -852,8 +850,8 @@ EFI_DRIVER_BINDING_PROTOCOL gSimpleNetworkDriverBinding = { EFI_STATUS
EFIAPI
InitializeSnpNiiDriver (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
)
{
return EfiLibInstallDriverBindingComponentName2 (
|