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audk/MdeModulePkg/Universal/Network/Ip4ConfigDxe/Ip4ConfigNv.c

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/** @file
Helper functions for configuring or getting the parameters relating to Ip4.
Copyright (c) 2009, Intel Corporation.<BR>
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.
**/
#include "Ip4ConfigNv.h"
EFI_GUID mNicIp4ConfigNvDataGuid = EFI_NIC_IP4_CONFIG_NVDATA_GUID;
/**
Calculate the prefix length of the IPv4 subnet mask.
@param[in] SubnetMask The IPv4 subnet mask.
@return The prefix length of the subnet mask.
@retval 0 Other errors as indicated.
**/
UINT8
GetSubnetMaskPrefixLength (
IN EFI_IPv4_ADDRESS *SubnetMask
)
{
UINT8 Len;
UINT32 ReverseMask;
//
// The SubnetMask is in network byte order.
//
ReverseMask = (SubnetMask->Addr[0] << 24) | (SubnetMask->Addr[1] << 16) | (SubnetMask->Addr[2] << 8) | (SubnetMask->Addr[3]);
//
// Reverse it.
//
ReverseMask = ~ReverseMask;
if ((ReverseMask & (ReverseMask + 1)) != 0) {
return 0;
}
Len = 0;
while (ReverseMask != 0) {
ReverseMask = ReverseMask >> 1;
Len++;
}
return (UINT8) (32 - Len);
}
/**
Convert the decimal dotted IPv4 address into the binary IPv4 address.
@param[in] Str The UNICODE string.
@param[out] Ip The storage to return the ASCII string.
@retval EFI_SUCCESS The binary IP address is returned in Ip.
@retval EFI_INVALID_PARAMETER The IP string is malformatted.
**/
EFI_STATUS
Ip4AsciiStrToIp (
IN CHAR8 *Str,
OUT EFI_IPv4_ADDRESS *Ip
)
{
UINTN Index;
UINTN Number;
Index = 0;
while (*Str != 0) {
if (Index > 3) {
return EFI_INVALID_PARAMETER;
}
Number = 0;
while (NET_IS_DIGIT (*Str)) {
Number = Number * 10 + (*Str - '0');
Str++;
}
if (Number > 0xFF) {
return EFI_INVALID_PARAMETER;
}
Ip->Addr[Index] = (UINT8) Number;
if ((*Str != '\0') && (*Str != '.')) {
//
// The current character should be either the NULL terminator or
// the dot delimiter.
//
return EFI_INVALID_PARAMETER;
}
if (*Str == '.') {
//
// Skip the delimiter.
//
Str++;
}
Index++;
}
if (Index != 4) {
return EFI_INVALID_PARAMETER;
}
return EFI_SUCCESS;
}
/**
Convert the IPv4 address into a dotted string.
@param[in] Ip The IPv4 address.
@param[out] Str The dotted IP string.
**/
VOID
Ip4ConfigIpToStr (
IN EFI_IPv4_ADDRESS *Ip,
OUT CHAR16 *Str
)
{
UnicodeSPrint (Str, 2 * IP4_STR_MAX_SIZE, L"%d.%d.%d.%d", Ip->Addr[0], Ip->Addr[1], Ip->Addr[2], Ip->Addr[3]);
}
/**
Convert the network configuration data into the IFR data.
@param[in] Ip4ConfigInstance The IP4Config instance
@param[out] IfrFormNvData The IFR nv data.
**/
VOID
Ip4ConfigConvertDeviceConfigDataToIfrNvData (
IN IP4_CONFIG_INSTANCE *Ip4ConfigInstance,
OUT IP4_CONFIG_IFR_NVDATA *IfrFormNvData
)
{
EFI_STATUS Status;
NIC_IP4_CONFIG_INFO *NicConfig;
UINTN ConfigLen;
IfrFormNvData->DhcpEnable = 1;
ConfigLen = sizeof (NIC_IP4_CONFIG_INFO) + sizeof (EFI_IP4_ROUTE_TABLE) * 2;
NicConfig = AllocateZeroPool (ConfigLen);
ASSERT (NicConfig != NULL);
Status = EfiNicIp4ConfigGetInfo (Ip4ConfigInstance, &ConfigLen, NicConfig);
if (!EFI_ERROR (Status)) {
if (NicConfig->Source == IP4_CONFIG_SOURCE_DHCP) {
IfrFormNvData->DhcpEnable = 1;
} else {
IfrFormNvData->DhcpEnable = 0;
Ip4ConfigIpToStr (&NicConfig->Ip4Info.StationAddress, IfrFormNvData->StationAddress);
Ip4ConfigIpToStr (&NicConfig->Ip4Info.SubnetMask, IfrFormNvData->SubnetMask);
Ip4ConfigIpToStr (&NicConfig->Ip4Info.RouteTable[1].GatewayAddress, IfrFormNvData->GatewayAddress);
}
}
FreePool (NicConfig);
}
/**
Convert the IFR data into the network configuration data and set the IP
configure parameters for the NIC.
@param[in] IfrFormNvData The IFR nv data.
@param[in, out] Ip4ConfigInstance The IP4Config instance.
@retval EFI_SUCCESS The configure parameter for this NIC was
set successfully.
@retval EFI_ALREADY_STARTED There is a pending auto configuration.
@retval EFI_NOT_FOUND No auto configure parameter is found.
**/
EFI_STATUS
Ip4ConfigConvertIfrNvDataToDeviceConfigData (
IN IP4_CONFIG_IFR_NVDATA *IfrFormNvData,
IN OUT IP4_CONFIG_INSTANCE *Ip4ConfigInstance
)
{
EFI_IP_ADDRESS HostIp;
EFI_IP_ADDRESS SubnetMask;
EFI_IP_ADDRESS Gateway;
EFI_INPUT_KEY Key;
NIC_IP4_CONFIG_INFO *NicInfo;
EFI_IP_ADDRESS Ip;
NicInfo = AllocateZeroPool (sizeof (NIC_IP4_CONFIG_INFO) + 2 * sizeof (EFI_IP4_ROUTE_TABLE));
ASSERT (NicInfo != NULL);
NicInfo->Ip4Info.RouteTable = (EFI_IP4_ROUTE_TABLE *) (NicInfo + 1);
if (!Ip4ConfigInstance->Ip4ConfigCallbackInfo.Enabled) {
CopyMem (&HostIp.v4, &Ip4ConfigInstance->Ip4ConfigCallbackInfo.LocalIp, sizeof (HostIp.v4));
CopyMem (&SubnetMask.v4, &Ip4ConfigInstance->Ip4ConfigCallbackInfo.SubnetMask, sizeof (SubnetMask.v4));
CopyMem (&Gateway.v4, &Ip4ConfigInstance->Ip4ConfigCallbackInfo.Gateway, sizeof (Gateway.v4));
if ((Gateway.Addr[0] != 0)) {
if (SubnetMask.Addr[0] == 0) {
CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key, L"Gateway address is set but subnet mask is zero.", NULL);
return EFI_INVALID_PARAMETER;
} else if (!IP4_NET_EQUAL (HostIp.Addr[0], Gateway.Addr[0], SubnetMask.Addr[0])) {
CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key, L"Local IP and Gateway are not in the same subnet.", NULL);
return EFI_INVALID_PARAMETER; }
}
NicInfo->Source = IP4_CONFIG_SOURCE_STATIC;
NicInfo->Ip4Info.RouteTableSize = 2;
CopyMem (&NicInfo->Ip4Info.StationAddress, &HostIp.v4, sizeof (EFI_IPv4_ADDRESS));
CopyMem (&NicInfo->Ip4Info.SubnetMask, &SubnetMask.v4, sizeof (EFI_IPv4_ADDRESS));
Ip.Addr[0] = HostIp.Addr[0] & SubnetMask.Addr[0];
CopyMem (&NicInfo->Ip4Info.RouteTable[0].SubnetAddress, &Ip.v4, sizeof (EFI_IPv4_ADDRESS));
CopyMem (&NicInfo->Ip4Info.RouteTable[0].SubnetMask, &SubnetMask.v4, sizeof (EFI_IPv4_ADDRESS));
CopyMem (&NicInfo->Ip4Info.RouteTable[1].GatewayAddress, &Gateway.v4, sizeof (EFI_IPv4_ADDRESS));
} else {
NicInfo->Source = IP4_CONFIG_SOURCE_DHCP;
}
NicInfo->Perment = TRUE;
CopyMem (&NicInfo->NicAddr, &Ip4ConfigInstance->NicAddr, sizeof (NIC_ADDR));
return EfiNicIp4ConfigSetInfo (Ip4ConfigInstance, NicInfo, TRUE);
}
/**
This function allows the caller to request the current
configuration for one or more named elements. The resulting
string is in <ConfigAltResp> format. Any and all alternative
configuration strings shall also be appended to the end of the
current configuration string. If they are, they must appear
after the current configuration. They must contain the same
routing (GUID, NAME, PATH) as the current configuration string.
They must have an additional description indicating the type of
alternative configuration the string represents,
"ALTCFG=<StringToken>". That <StringToken> (when
converted from Hex UNICODE to binary) is a reference to a
string in the associated string pack.
@param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
@param[in] Request A null-terminated Unicode string in
<ConfigRequest> format. Note that this
includes the routing information as well as
the configurable name / value pairs. It is
invalid for this string to be in
<MultiConfigRequest> format.
@param[out] Progress On return, points to a character in the
Request string. Points to the string's null
terminator if request was successful. Points
to the most recent "&" before the first
failing name / value pair (or the beginning
of the string if the failure is in the first
name / value pair) if the request was not
successful.
@param[out] Results A null-terminated Unicode string in
<ConfigAltResp> format which has all values
filled in for the names in the Request string.
String to be allocated by the called function.
@retval EFI_SUCCESS The Results string is filled with the
values corresponding to all requested
names.
@retval EFI_OUT_OF_RESOURCES Not enough memory to store the
parts of the results that must be
stored awaiting possible future
protocols.
@retval EFI_INVALID_PARAMETER For example, passing in a NULL
for the Request parameter
would result in this type of
error. In this case, the
Progress parameter would be
set to NULL.
@retval EFI_NOT_FOUND Routing data doesn't match any
known driver. Progress set to the
first character in the routing header.
Note: There is no requirement that the
driver validate the routing data. It
must skip the <ConfigHdr> in order to
process the names.
@retval EFI_INVALID_PARAMETER Illegal syntax. Progress set
to most recent & before the
error or the beginning of the
string.
@retval EFI_INVALID_PARAMETER Unknown name. Progress points
to the & before the name in
question.Currently not implemented.
**/
EFI_STATUS
EFIAPI
Ip4DeviceExtractConfig (
IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
IN CONST EFI_STRING Request,
OUT EFI_STRING *Progress,
OUT EFI_STRING *Results
)
{
EFI_STATUS Status;
UINTN ConfigLen;
NIC_IP4_CONFIG_INFO *IfrDeviceNvData;
IP4_CONFIG_INSTANCE *Ip4ConfigInstance;
IP4_CONFIG_IFR_NVDATA *IfrFormNvData;
if (Request == NULL || Progress == NULL || Results == NULL) {
return EFI_INVALID_PARAMETER;
}
*Progress = Request;
Ip4ConfigInstance = IP4_CONFIG_INSTANCE_FROM_CONFIG_ACCESS (This);
//
// Check Request data in <ConfigHdr>.
//
if (HiiIsConfigHdrMatch (Request, &gEfiNicIp4ConfigVariableGuid, EFI_NIC_IP4_CONFIG_VARIABLE)) {
IfrDeviceNvData = AllocateZeroPool (NIC_ITEM_CONFIG_SIZE);
if (IfrDeviceNvData == NULL) {
return EFI_OUT_OF_RESOURCES;
}
ConfigLen = sizeof (NIC_IP4_CONFIG_INFO) + sizeof (EFI_IP4_ROUTE_TABLE) * 2;
Status = EfiNicIp4ConfigGetInfo (Ip4ConfigInstance, &ConfigLen, IfrDeviceNvData);
if (EFI_ERROR (Status)) {
FreePool (IfrDeviceNvData);
return EFI_NOT_FOUND;
}
//
// Convert buffer data to <ConfigResp> by helper function BlockToConfig()
//
Status = gHiiConfigRouting->BlockToConfig (
gHiiConfigRouting,
Request,
(UINT8 *) IfrDeviceNvData,
NIC_ITEM_CONFIG_SIZE,
Results,
Progress
);
FreePool (IfrDeviceNvData);
} else if (HiiIsConfigHdrMatch (Request, &mNicIp4ConfigNvDataGuid, EFI_NIC_IP4_CONFIG_VARIABLE)) {
IfrFormNvData = AllocateZeroPool (NIC_ITEM_CONFIG_SIZE);
if (IfrFormNvData == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Ip4ConfigConvertDeviceConfigDataToIfrNvData (Ip4ConfigInstance, IfrFormNvData);
//
// Convert buffer data to <ConfigResp> by helper function BlockToConfig()
//
Status = gHiiConfigRouting->BlockToConfig (
gHiiConfigRouting,
Request,
(UINT8 *) IfrFormNvData,
sizeof (IP4_CONFIG_IFR_NVDATA),
Results,
Progress
);
FreePool (IfrFormNvData);
} else {
return EFI_NOT_FOUND;
}
return Status;
}
/**
This function applies changes in a driver's configuration.
Input is a Configuration, which has the routing data for this
driver followed by name / value configuration pairs. The driver
must apply those pairs to its configurable storage. If the
driver's configuration is stored in a linear block of data
and the driver's name / value pairs are in <BlockConfig>
format, it may use the ConfigToBlock helper function (above) to
simplify the job. Currently not implemented.
@param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
@param[in] Configuration A null-terminated Unicode string in
<ConfigString> format.
@param[out] Progress A pointer to a string filled in with the
offset of the most recent '&' before the
first failing name / value pair (or the
beginn ing of the string if the failure
is in the first name / value pair) or
the terminating NULL if all was
successful.
@retval EFI_SUCCESS The results have been distributed or are
awaiting distribution.
@retval EFI_OUT_OF_MEMORY Not enough memory to store the
parts of the results that must be
stored awaiting possible future
protocols.
@retval EFI_INVALID_PARAMETERS Passing in a NULL for the
Results parameter would result
in this type of error.
@retval EFI_NOT_FOUND Target for the specified routing data
was not found.
**/
EFI_STATUS
EFIAPI
Ip4DeviceRouteConfig (
IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
IN CONST EFI_STRING Configuration,
OUT EFI_STRING *Progress
)
{
EFI_STATUS Status;
UINTN BufferSize;
NIC_IP4_CONFIG_INFO *IfrDeviceNvData;
IP4_CONFIG_IFR_NVDATA *IfrFormNvData;
NIC_IP4_CONFIG_INFO *NicInfo;
IP4_CONFIG_INSTANCE *Ip4ConfigInstance;
EFI_MAC_ADDRESS ZeroMac;
if (Configuration == NULL || Progress == NULL) {
return EFI_INVALID_PARAMETER;
}
*Progress = Configuration;
Ip4ConfigInstance = IP4_CONFIG_INSTANCE_FROM_CONFIG_ACCESS (This);
//
// Check Routing data in <ConfigHdr>.
//
if (HiiIsConfigHdrMatch (Configuration, &mNicIp4ConfigNvDataGuid, EFI_NIC_IP4_CONFIG_VARIABLE)) {
//
// Convert buffer data to <ConfigResp> by helper function BlockToConfig()
//
IfrFormNvData = AllocateZeroPool (sizeof (IP4_CONFIG_IFR_NVDATA));
if (IfrFormNvData == NULL) {
return EFI_OUT_OF_RESOURCES;
}
BufferSize = NIC_ITEM_CONFIG_SIZE;
Status = gHiiConfigRouting->ConfigToBlock (
gHiiConfigRouting,
Configuration,
(UINT8 *) IfrFormNvData,
&BufferSize,
Progress
);
if (!EFI_ERROR (Status)) {
Status = Ip4ConfigConvertIfrNvDataToDeviceConfigData (IfrFormNvData, Ip4ConfigInstance);
}
FreePool (IfrFormNvData);
} else if (HiiIsConfigHdrMatch (Configuration, &gEfiNicIp4ConfigVariableGuid, EFI_NIC_IP4_CONFIG_VARIABLE)) {
IfrDeviceNvData = AllocateZeroPool (NIC_ITEM_CONFIG_SIZE);
if (IfrDeviceNvData == NULL) {
return EFI_OUT_OF_RESOURCES;
}
BufferSize = NIC_ITEM_CONFIG_SIZE;
Status = gHiiConfigRouting->ConfigToBlock (
gHiiConfigRouting,
Configuration,
(UINT8 *) IfrDeviceNvData,
&BufferSize,
Progress
);
if (!EFI_ERROR (Status)) {
ZeroMem (&ZeroMac, sizeof (EFI_MAC_ADDRESS));
if (CompareMem (&IfrDeviceNvData->NicAddr.MacAddr, &ZeroMac, IfrDeviceNvData->NicAddr.Len) != 0) {
BufferSize = sizeof (NIC_IP4_CONFIG_INFO) + sizeof (EFI_IP4_ROUTE_TABLE) * IfrDeviceNvData->Ip4Info.RouteTableSize;
NicInfo = AllocateCopyPool (BufferSize, IfrDeviceNvData);
Status = EfiNicIp4ConfigSetInfo (Ip4ConfigInstance, NicInfo, TRUE);
} else {
Status = EfiNicIp4ConfigSetInfo (Ip4ConfigInstance, NULL, TRUE);
}
}
FreePool (IfrDeviceNvData);
} else {
return EFI_NOT_FOUND;
}
return Status;
}
/**
This function is called to provide results data to the driver.
This data consists of a unique key that is used to identify
which data is either being passed back or being asked for.
@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. The format of the data tends to
vary based on the opcode that enerated the callback.
@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.Currently not implemented.
@retval EFI_INVALID_PARAMETERS Passing in wrong parameter.
@retval Others Other errors as indicated.
**/
EFI_STATUS
EFIAPI
Ip4FormCallback (
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
)
{
IP4_CONFIG_INSTANCE *Ip4ConfigInstance;
CHAR8 Ip4String[IP4_STR_MAX_SIZE];
IP4_CONFIG_IFR_NVDATA *IfrFormNvData;
EFI_IP_ADDRESS HostIp;
EFI_IP_ADDRESS SubnetMask;
EFI_IP_ADDRESS Gateway;
EFI_STATUS Status;
EFI_INPUT_KEY Key;
Ip4ConfigInstance = IP4_CONFIG_INSTANCE_FROM_CONFIG_ACCESS (This);
IfrFormNvData = AllocateZeroPool (sizeof (IP4_CONFIG_IFR_NVDATA));
if (IfrFormNvData == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// Retrive uncommitted data from Browser
//
if (!HiiGetBrowserData (&mNicIp4ConfigNvDataGuid, EFI_NIC_IP4_CONFIG_VARIABLE, sizeof (IP4_CONFIG_IFR_NVDATA), (UINT8 *) IfrFormNvData)) {
FreePool (IfrFormNvData);
return EFI_NOT_FOUND;
}
Status = EFI_SUCCESS;
switch (QuestionId) {
case KEY_DHCP_ENABLE:
if (IfrFormNvData->DhcpEnable == 0) {
Ip4ConfigInstance->Ip4ConfigCallbackInfo.Enabled = FALSE;
} else {
Ip4ConfigInstance->Ip4ConfigCallbackInfo.Enabled = TRUE;
}
break;
case KEY_LOCAL_IP:
UnicodeStrToAsciiStr (IfrFormNvData->StationAddress, Ip4String);
Status = Ip4AsciiStrToIp (Ip4String, &HostIp.v4);
if (EFI_ERROR (Status) || !NetIp4IsUnicast (NTOHL (HostIp.Addr[0]), 0)) {
CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key, L"Invalid IP address!", NULL);
Status = EFI_INVALID_PARAMETER;
} else {
CopyMem (&Ip4ConfigInstance->Ip4ConfigCallbackInfo.LocalIp, &HostIp.v4, sizeof (HostIp.v4));
}
break;
case KEY_SUBNET_MASK:
UnicodeStrToAsciiStr (IfrFormNvData->SubnetMask, Ip4String);
Status = Ip4AsciiStrToIp (Ip4String, &SubnetMask.v4);
if (EFI_ERROR (Status) || ((SubnetMask.Addr[0] != 0) && (GetSubnetMaskPrefixLength (&SubnetMask.v4) == 0))) {
CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key, L"Invalid SubnetMask!", NULL);
Status = EFI_INVALID_PARAMETER;
} else {
CopyMem (&Ip4ConfigInstance->Ip4ConfigCallbackInfo.SubnetMask, &SubnetMask.v4, sizeof (SubnetMask.v4));
}
break;
case KEY_GATE_WAY:
UnicodeStrToAsciiStr (IfrFormNvData->GatewayAddress, Ip4String);
Status = Ip4AsciiStrToIp (Ip4String, &Gateway.v4);
if (EFI_ERROR (Status) || ((Gateway.Addr[0] != 0) && !NetIp4IsUnicast (NTOHL (Gateway.Addr[0]), 0))) {
CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key, L"Invalid Gateway!", NULL);
Status = EFI_INVALID_PARAMETER;
} else {
CopyMem (&Ip4ConfigInstance->Ip4ConfigCallbackInfo.Gateway, &Gateway.v4, sizeof (Gateway.v4));
}
break;
case KEY_SAVE_CHANGES:
Status = Ip4ConfigConvertIfrNvDataToDeviceConfigData (IfrFormNvData, Ip4ConfigInstance);
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;
break;
default:
break;
}
if (!EFI_ERROR (Status)) {
//
// Pass changed uncommitted data back to Form Browser
//
HiiSetBrowserData (&gEfiNicIp4ConfigVariableGuid, EFI_NIC_IP4_CONFIG_VARIABLE, sizeof (IP4_CONFIG_IFR_NVDATA), (UINT8 *) IfrFormNvData, NULL);
}
FreePool (IfrFormNvData);
return Status;
}
/**
Install HII Config Access protocol for network device and allocate resource.
@param[in] Instance The IP4 Config instance.
@retval EFI_SUCCESS The HII Config Access protocol is installed.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
@retval Others Other errors as indicated.
**/
EFI_STATUS
Ip4ConfigDeviceInit (
IN IP4_CONFIG_INSTANCE *Instance
)
{
EFI_STATUS Status;
EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;
VENDOR_DEVICE_PATH VendorDeviceNode;
EFI_SERVICE_BINDING_PROTOCOL *MnpSb;
CHAR16 *MacString;
CHAR16 MenuString[128];
CHAR16 PortString[128];
CHAR16 *OldMenuString;
ConfigAccess = &Instance->HiiConfigAccessProtocol;
ConfigAccess->ExtractConfig = Ip4DeviceExtractConfig;
ConfigAccess->RouteConfig = Ip4DeviceRouteConfig;
ConfigAccess->Callback = Ip4FormCallback;
//
// Construct device path node for EFI HII Config Access protocol,
// which consists of controller physical device path and one hardware
// vendor guid node.
//
ZeroMem (&VendorDeviceNode, sizeof (VENDOR_DEVICE_PATH));
VendorDeviceNode.Header.Type = HARDWARE_DEVICE_PATH;
VendorDeviceNode.Header.SubType = HW_VENDOR_DP;
CopyGuid (&VendorDeviceNode.Guid, &gEfiNicIp4ConfigVariableGuid);
SetDevicePathNodeLength (&VendorDeviceNode.Header, sizeof (VENDOR_DEVICE_PATH));
Instance->HiiVendorDevicePath = AppendDevicePathNode (
Instance->ParentDevicePath,
(EFI_DEVICE_PATH_PROTOCOL *) &VendorDeviceNode
);
Instance->ChildHandle = NULL;
//
// Install Device Path Protocol and Config Access protocol on new handle
//
Status = gBS->InstallMultipleProtocolInterfaces (
&Instance->ChildHandle,
&gEfiDevicePathProtocolGuid,
Instance->HiiVendorDevicePath,
&gEfiHiiConfigAccessProtocolGuid,
ConfigAccess,
NULL
);
if (!EFI_ERROR (Status)) {
//
// Open the Parent Handle for the child
//
Status = gBS->OpenProtocol (
Instance->Controller,
&gEfiManagedNetworkServiceBindingProtocolGuid,
(VOID **) &MnpSb,
Instance->Image,
Instance->ChildHandle,
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
);
}
ASSERT_EFI_ERROR (Status);
//
// Publish our HII data
//
Instance->RegisteredHandle = HiiAddPackages (
&mNicIp4ConfigNvDataGuid,
Instance->ChildHandle,
Ip4ConfigDxeStrings,
Ip4ConfigDxeBin,
NULL
);
if (Instance->RegisteredHandle == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// Append MAC string in the menu string and tile string
//
Status = NetLibGetMacString (Instance->Controller, Instance->Image, &MacString);
if (!EFI_ERROR (Status)) {
OldMenuString = HiiGetString (Instance->RegisteredHandle, STRING_TOKEN (STR_IP4_CONFIG_FORM_TITLE), NULL);
UnicodeSPrint (MenuString, 128, L"%s (MAC:%s)", OldMenuString, MacString);
HiiSetString (Instance->RegisteredHandle, STRING_TOKEN (STR_IP4_CONFIG_FORM_TITLE), MenuString, NULL);
UnicodeSPrint (PortString, 128, L"MAC:%s", MacString);
HiiSetString (Instance->RegisteredHandle, STRING_TOKEN (STR_IP4_DEVICE_FORM_TITLE), PortString, NULL);
FreePool (MacString);
}
return Status;
}
/**
Uninstall HII Config Access protocol for network device and free resource.
@param[in] Instance The IP4 Config instance.
@retval EFI_SUCCESS The HII Config Access protocol is uninstalled.
@retval Others Other errors as indicated.
**/
EFI_STATUS
Ip4ConfigDeviceUnload (
IN IP4_CONFIG_INSTANCE *Instance
)
{
//
// Remove HII package list
//
HiiRemovePackages (Instance->RegisteredHandle);
//
// Close the child handle
//
gBS->CloseProtocol (
Instance->Controller,
&gEfiManagedNetworkServiceBindingProtocolGuid,
Instance->Image,
Instance->ChildHandle
);
//
// Uninstall EFI_HII_CONFIG_ACCESS_PROTOCOL
//
gBS->UninstallMultipleProtocolInterfaces (
Instance->ChildHandle,
&gEfiDevicePathProtocolGuid,
Instance->HiiVendorDevicePath,
&gEfiHiiConfigAccessProtocolGuid,
&Instance->HiiConfigAccessProtocol,
NULL
);
return EFI_SUCCESS;
}
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