/**
Display VLAN configuration of a network interface.
@param[in] Handle Handle of the network interface.
@param[in] NicIndex Index of the network interface.
**/
VOID
ShowNicVlanInfo (
IN EFI_HANDLE Handle,
IN UINTN NicIndex
)
{
CHAR16 *MacStr;
EFI_STATUS Status;
UINTN Index;
EFI_VLAN_CONFIG_PROTOCOL *VlanConfig;
UINT16 NumberOfVlan;
EFI_VLAN_FIND_DATA *VlanData;
VlanConfig = OpenVlanConfigProtocol (Handle);
if (VlanConfig == NULL) {
return ;
}
MacStr = NULL;
Status = NetLibGetMacString (Handle, mImageHandle, &MacStr);
if (EFI_ERROR (Status)) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_VCONFIG_MAC_FAIL), mHiiHandle, Status);
goto Exit;
}
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_VCONFIG_ETH_MAC), mHiiHandle, NicIndex, MacStr);
Status = VlanConfig->Find (VlanConfig, NULL, &NumberOfVlan, &VlanData);
if (EFI_ERROR (Status)) {
if (Status == EFI_NOT_FOUND) {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_VCONFIG_NO_VLAN), mHiiHandle);
} else {
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_VCONFIG_FIND_FAIL), mHiiHandle, Status);
}
goto Exit;
}
for (Index = 0; Index < NumberOfVlan; Index++) {
ShellPrintHiiEx (
-1,
-1,
NULL,
STRING_TOKEN (STR_VCONFIG_VLAN_DISPLAY),
mHiiHandle,
VlanData[Index].VlanId,
VlanData[Index].Priority
);
}
FreePool (VlanData);
Exit:
CloseVlanConfigProtocol (Handle);
if (MacStr != NULL) {
FreePool (MacStr);
}
}
/**
This function update VLAN list in the VLAN configuration Form.
@param[in, out] PrivateData Points to VLAN configuration private data.
**/
VOID
VlanUpdateForm (
IN OUT VLAN_CONFIG_PRIVATE_DATA *PrivateData
)
{
EFI_VLAN_CONFIG_PROTOCOL *VlanConfig;
UINT16 NumberOfVlan;
UINTN Index;
EFI_VLAN_FIND_DATA *VlanData;
VOID *StartOpCodeHandle;
EFI_IFR_GUID_LABEL *StartLabel;
VOID *EndOpCodeHandle;
EFI_IFR_GUID_LABEL *EndLabel;
CHAR16 *String;
CHAR16 VlanStr[30];
CHAR16 VlanIdStr[6];
UINTN DigitalCount;
EFI_STRING_ID StringId;
//
// Find current VLAN configuration
//
VlanData = NULL;
NumberOfVlan = 0;
VlanConfig = PrivateData->VlanConfig;
VlanConfig->Find (VlanConfig, NULL, &NumberOfVlan, &VlanData);
//
// Update VLAN configuration in PrivateData
//
if (NumberOfVlan > MAX_VLAN_NUMBER) {
NumberOfVlan = MAX_VLAN_NUMBER;
}
PrivateData->NumberOfVlan = NumberOfVlan;
//
// Init OpCode Handle
//
StartOpCodeHandle = HiiAllocateOpCodeHandle ();
ASSERT (StartOpCodeHandle != NULL);
EndOpCodeHandle = HiiAllocateOpCodeHandle ();
ASSERT (EndOpCodeHandle != NULL);
//
// Create Hii Extend Label OpCode as the start opcode
//
StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
StartOpCodeHandle,
&gEfiIfrTianoGuid,
NULL,
sizeof (EFI_IFR_GUID_LABEL)
);
StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
StartLabel->Number = LABEL_VLAN_LIST;
//
// Create Hii Extend Label OpCode as the end opcode
//
EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
EndOpCodeHandle,
&gEfiIfrTianoGuid,
NULL,
sizeof (EFI_IFR_GUID_LABEL)
);
EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
EndLabel->Number = LABEL_END;
ZeroMem (PrivateData->VlanId, MAX_VLAN_NUMBER);
for (Index = 0; Index < NumberOfVlan; Index++) {
String = VlanStr;
StrCpy (String, L" VLAN ID:");
String += 10;
//
// Pad VlanId string up to 4 characters with space
//
DigitalCount = UnicodeValueToString (VlanIdStr, 0, VlanData[Index].VlanId, 5);
SetMem16 (String, (4 - DigitalCount) * sizeof (CHAR16), L' ');
StrCpy (String + 4 - DigitalCount, VlanIdStr);
String += 4;
StrCpy (String, L", Priority:");
String += 11;
String += UnicodeValueToString (String, 0, VlanData[Index].Priority, 4);
*String = 0;
StringId = HiiSetString (PrivateData->HiiHandle, 0, VlanStr, NULL);
ASSERT (StringId != 0);
HiiCreateCheckBoxOpCode (
StartOpCodeHandle,
(EFI_QUESTION_ID) (VLAN_LIST_VAR_OFFSET + Index),
VLAN_CONFIGURATION_VARSTORE_ID,
(UINT16) (VLAN_LIST_VAR_OFFSET + Index),
StringId,
STRING_TOKEN (STR_VLAN_VLAN_LIST_HELP),
0,
0,
NULL
);
//
// Save VLAN id to private data
//
PrivateData->VlanId[Index] = VlanData[Index].VlanId;
}
HiiUpdateForm (
PrivateData->HiiHandle, // HII handle
&gVlanConfigFormSetGuid, // Formset GUID
VLAN_CONFIGURATION_FORM_ID, // Form ID
StartOpCodeHandle, // Label for where to insert opcodes
EndOpCodeHandle // Replace data
);
HiiFreeOpCodeHandle (StartOpCodeHandle);
HiiFreeOpCodeHandle (EndOpCodeHandle);
if (VlanData != NULL) {
FreePool (VlanData);
}
}
/**
This function processes the results of changes in configuration.
@param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
@param[in] Action Specifies the type of action taken by the browser.
@param[in] QuestionId A unique value which is sent to the original
exporting driver so that it can identify the type
of data to expect.
@param[in] Type The type of value for the question.
@param[in] Value A pointer to the data being sent to the original
exporting driver.
@param[out] ActionRequest On return, points to the action requested by the
callback function.
@retval EFI_SUCCESS The callback successfully handled the action.
@retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the
variable and its data.
@retval EFI_DEVICE_ERROR The variable could not be saved.
@retval EFI_UNSUPPORTED The specified Action is not supported by the
callback.
**/
EFI_STATUS
EFIAPI
VlanCallback (
IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
IN EFI_BROWSER_ACTION Action,
IN EFI_QUESTION_ID QuestionId,
IN UINT8 Type,
IN EFI_IFR_TYPE_VALUE *Value,
OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
)
{
VLAN_CONFIG_PRIVATE_DATA *PrivateData;
VLAN_CONFIGURATION *Configuration;
EFI_VLAN_CONFIG_PROTOCOL *VlanConfig;
UINTN Index;
EFI_HANDLE VlanHandle;
PrivateData = VLAN_CONFIG_PRIVATE_DATA_FROM_THIS (This);
if ((Action == EFI_BROWSER_ACTION_FORM_OPEN) || (Action == EFI_BROWSER_ACTION_FORM_CLOSE)) {
return EFI_SUCCESS;
}
if ((Action != EFI_BROWSER_ACTION_CHANGED) && (Action != EFI_BROWSER_ACTION_CHANGING)) {
//
// All other action return unsupported.
//
return EFI_UNSUPPORTED;
}
//
// Get Browser data
//
Configuration = AllocateZeroPool (sizeof (VLAN_CONFIGURATION));
ASSERT (Configuration != NULL);
HiiGetBrowserData (&gVlanConfigFormSetGuid, mVlanStorageName, sizeof (VLAN_CONFIGURATION), (UINT8 *) Configuration);
VlanConfig = PrivateData->VlanConfig;
if (Action == EFI_BROWSER_ACTION_CHANGED) {
switch (QuestionId) {
case VLAN_ADD_QUESTION_ID:
//
// Add a VLAN
//
VlanConfig->Set (VlanConfig, Configuration->VlanId, Configuration->Priority);
VlanUpdateForm (PrivateData);
//
// Connect the newly created VLAN device
//
VlanHandle = NetLibGetVlanHandle (PrivateData->ControllerHandle, Configuration->VlanId);
if (VlanHandle == NULL) {
//
// There may be no child handle created for VLAN ID 0, connect the parent handle
//
VlanHandle = PrivateData->ControllerHandle;
}
gBS->ConnectController (VlanHandle, NULL, NULL, TRUE);
//
// Clear UI data
//
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;
Configuration->VlanId = 0;
Configuration->Priority = 0;
break;
case VLAN_REMOVE_QUESTION_ID:
//
// Remove VLAN
//
ASSERT (PrivateData->NumberOfVlan <= MAX_VLAN_NUMBER);
for (Index = 0; Index < PrivateData->NumberOfVlan; Index++) {
if (Configuration->VlanList[Index] != 0) {
//
// Checkbox is selected, need remove this VLAN
//
VlanConfig->Remove (VlanConfig, PrivateData->VlanId[Index]);
}
}
VlanUpdateForm (PrivateData);
if (PrivateData->NumberOfVlan == 0) {
//
// No VLAN device now, connect the physical NIC handle.
// Note: PrivateData->NumberOfVlan has been updated by VlanUpdateForm()
//
gBS->ConnectController (PrivateData->ControllerHandle, NULL, NULL, TRUE);
}
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;
ZeroMem (Configuration->VlanList, MAX_VLAN_NUMBER);
break;
default:
break;
}
} else if (Action == EFI_BROWSER_ACTION_CHANGING) {
switch (QuestionId) {
case VLAN_UPDATE_QUESTION_ID:
//
// Update current VLAN list into Form.
//
VlanUpdateForm (PrivateData);
break;
default:
break;
}
}
HiiSetBrowserData (&gVlanConfigFormSetGuid, mVlanStorageName, sizeof (VLAN_CONFIGURATION), (UINT8 *) Configuration, NULL);
FreePool (Configuration);
return EFI_SUCCESS;
}