/** @file\r
+ Implementation of driver entry point and driver binding protocol.\r
\r
-Copyright (c) 2005 - 2008, 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
+Copyright (c) 2005 - 2012, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials\r
+are licensed and made available under the terms and conditions\r
+of the BSD License which accompanies this distribution. The full\r
+text of the license may be found at<BR>\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
-\r
- MnpDriver.c\r
-\r
-Abstract:\r
-\r
-\r
**/\r
\r
#include "MnpDriver.h"\r
#include "MnpImpl.h"\r
-\r
+#include "MnpVlan.h"\r
\r
EFI_DRIVER_BINDING_PROTOCOL gMnpDriverBinding = {\r
MnpDriverBindingSupported,\r
NULL\r
};\r
\r
+/**\r
+ Callback function which provided by user to remove one node in NetDestroyLinkList process.\r
+ \r
+ @param[in] Entry The entry to be removed.\r
+ @param[in] Context Pointer to the callback context corresponds to the Context in NetDestroyLinkList.\r
+\r
+ @retval EFI_SUCCESS The entry has been removed successfully.\r
+ @retval Others Fail to remove the entry.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+MnpDestroyServiceDataEntry (\r
+ IN LIST_ENTRY *Entry,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ MNP_SERVICE_DATA *MnpServiceData;\r
+ \r
+ MnpServiceData = MNP_SERVICE_DATA_FROM_LINK (Entry);\r
+ return MnpDestroyServiceData (MnpServiceData);\r
+}\r
\r
/**\r
- Test to see if this driver supports ControllerHandle.\r
+ Callback function which provided by user to remove one node in NetDestroyLinkList process.\r
+ \r
+ @param[in] Entry The entry to be removed.\r
+ @param[in] Context Pointer to the callback context corresponds to the Context in NetDestroyLinkList.\r
+\r
+ @retval EFI_SUCCESS The entry has been removed successfully.\r
+ @retval Others Fail to remove the entry.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+MnpDestroyServiceChildEntry (\r
+ IN LIST_ENTRY *Entry,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ MNP_SERVICE_DATA *MnpServiceData;\r
\r
- @param This Protocol instance pointer.\r
- @param ControllerHandle Handle of device to test.\r
- @param RemainingDevicePath Optional parameter use to pick a specific child\r
- device to start.\r
+ MnpServiceData = MNP_SERVICE_DATA_FROM_LINK (Entry);\r
+ return MnpDestroyServiceChild (MnpServiceData);\r
+}\r
\r
- @retval EFI_SUCCES This driver supports this device.\r
- @retval EFI_ALREADY_STARTED This driver is already running on this device.\r
- @retval other This driver does not support this device.\r
+/**\r
+ Test to see if this driver supports ControllerHandle. This service\r
+ is called by the EFI boot service ConnectController(). In\r
+ order to make drivers as small as possible, there are a few calling\r
+ restrictions for this service. ConnectController() must\r
+ follow these calling restrictions. If any other agent wishes to call\r
+ Supported() it must also follow these calling restrictions.\r
+\r
+ @param[in] This Protocol instance pointer.\r
+ @param[in] ControllerHandle Handle of device to test.\r
+ @param[in] RemainingDevicePath Optional parameter use to pick a specific\r
+ child device to start.\r
+\r
+ @retval EFI_SUCCESS This driver supports this device.\r
+ @retval EFI_ALREADY_STARTED This driver is already running on this device.\r
+ @retval Others This driver does not support this device.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
MnpDriverBindingSupported (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE ControllerHandle,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE ControllerHandle,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r
)\r
{\r
EFI_STATUS Status;\r
EFI_SIMPLE_NETWORK_PROTOCOL *Snp;\r
\r
- //\r
- // Test to see if MNP is already installed.\r
- //\r
- Status = gBS->OpenProtocol (\r
- ControllerHandle,\r
- &gEfiManagedNetworkServiceBindingProtocolGuid,\r
- NULL,\r
- This->DriverBindingHandle,\r
- ControllerHandle,\r
- EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- return EFI_ALREADY_STARTED;\r
- }\r
-\r
//\r
// Test to open the Simple Network protocol BY_DRIVER.\r
//\r
ControllerHandle,\r
EFI_OPEN_PROTOCOL_BY_DRIVER\r
);\r
-\r
if (EFI_ERROR (Status)) {\r
return Status;\r
}\r
\r
\r
/**\r
- Start this driver on ControllerHandle.\r
-\r
- @param This Protocol instance pointer.\r
- @param ControllerHandle Handle of device to bind driver to.\r
- @param RemainingDevicePath Optional parameter use to pick a specific child\r
- device to start.\r
-\r
- @retval EFI_SUCCES This driver is added to ControllerHandle.\r
- @retval EFI_ALREADY_STARTED This driver is already running on\r
- ControllerHandle.\r
- @retval other This driver does not support this device.\r
+ Start this driver on ControllerHandle. This service is called by the\r
+ EFI boot service ConnectController(). In order to make drivers as small\r
+ as possible, there are a few calling restrictions for this service.\r
+ ConnectController() must follow these calling restrictions. If any other\r
+ agent wishes to call Start() it must also follow these calling restrictions.\r
+\r
+ @param[in] This Protocol instance pointer.\r
+ @param[in] ControllerHandle Handle of device to bind driver to.\r
+ @param[in] RemainingDevicePath Optional parameter use to pick a specific\r
+ child device to start.\r
+\r
+ @retval EFI_SUCCESS This driver is added to ControllerHandle.\r
+ @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle.\r
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory for Mnp Service Data.\r
+ @retval Others This driver does not support this device.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
MnpDriverBindingStart (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE ControllerHandle,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE ControllerHandle,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r
)\r
{\r
EFI_STATUS Status;\r
MNP_SERVICE_DATA *MnpServiceData;\r
- BOOLEAN MnpInitialized;\r
+ MNP_DEVICE_DATA *MnpDeviceData;\r
+ LIST_ENTRY *Entry;\r
+ VLAN_TCI *VlanVariable;\r
+ UINTN NumberOfVlan;\r
+ UINTN Index;\r
\r
- MnpInitialized = FALSE;\r
+ VlanVariable = NULL;\r
\r
- MnpServiceData = AllocateZeroPool (sizeof (MNP_SERVICE_DATA));\r
- if (MnpServiceData == NULL) {\r
- DEBUG ((EFI_D_ERROR, "MnpDriverBindingStart(): Failed to allocate the Mnp Service Data.\n"));\r
+ //\r
+ // Initialize the Mnp Device Data\r
+ //\r
+ MnpDeviceData = AllocateZeroPool (sizeof (MNP_DEVICE_DATA));\r
+ if (MnpDeviceData == NULL) {\r
+ DEBUG ((EFI_D_ERROR, "MnpDriverBindingStart(): Failed to allocate the Mnp Device Data.\n"));\r
\r
return EFI_OUT_OF_RESOURCES;\r
}\r
\r
- //\r
- // Initialize the Mnp Service Data.\r
- //\r
- Status = MnpInitializeServiceData (MnpServiceData, This->DriverBindingHandle, ControllerHandle);\r
+ Status = MnpInitializeDeviceData (MnpDeviceData, This->DriverBindingHandle, ControllerHandle);\r
if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "MnpDriverBindingStart: MnpInitializeDeviceData failed, %r.\n", Status));\r
\r
- DEBUG ((EFI_D_ERROR, "MnpDriverBindingStart: MnpInitializeServiceData failed, %r.\n",Status));\r
- goto ErrorExit;\r
+ FreePool (MnpDeviceData);\r
+ return Status;\r
}\r
\r
- MnpInitialized = TRUE;\r
+ //\r
+ // Check whether NIC driver has already produced VlanConfig protocol\r
+ //\r
+ Status = gBS->OpenProtocol (\r
+ ControllerHandle,\r
+ &gEfiVlanConfigProtocolGuid,\r
+ NULL,\r
+ This->DriverBindingHandle,\r
+ ControllerHandle,\r
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r
+ );\r
+ if (!EFI_ERROR (Status)) {\r
+ //\r
+ // NIC hardware already implement VLAN,\r
+ // no need to provide software VLAN implementation in MNP driver\r
+ //\r
+ MnpDeviceData->NumberOfVlan = 0;\r
+ ZeroMem (&MnpDeviceData->VlanConfig, sizeof (EFI_VLAN_CONFIG_PROTOCOL));\r
+ MnpServiceData = MnpCreateServiceData (MnpDeviceData, 0, 0);\r
+ Status = (MnpServiceData != NULL) ? EFI_SUCCESS : EFI_OUT_OF_RESOURCES;\r
+ goto Exit;\r
+ }\r
\r
//\r
- // Install the MNP Service Binding Protocol.\r
+ // Install VLAN Config Protocol\r
//\r
Status = gBS->InstallMultipleProtocolInterfaces (\r
&ControllerHandle,\r
- &gEfiManagedNetworkServiceBindingProtocolGuid,\r
- &MnpServiceData->ServiceBinding,\r
+ &gEfiVlanConfigProtocolGuid,\r
+ &MnpDeviceData->VlanConfig,\r
NULL\r
);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Exit;\r
+ }\r
\r
-ErrorExit:\r
+ //\r
+ // Get current VLAN configuration from EFI Variable\r
+ //\r
+ NumberOfVlan = 0;\r
+ Status = MnpGetVlanVariable (MnpDeviceData, &NumberOfVlan, &VlanVariable);\r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // No VLAN is set, create a default MNP service data for untagged frame\r
+ //\r
+ MnpDeviceData->NumberOfVlan = 0;\r
+ MnpServiceData = MnpCreateServiceData (MnpDeviceData, 0, 0);\r
+ Status = (MnpServiceData != NULL) ? EFI_SUCCESS : EFI_OUT_OF_RESOURCES;\r
+ goto Exit;\r
+ }\r
+\r
+ //\r
+ // Create MNP service data for each VLAN\r
+ //\r
+ MnpDeviceData->NumberOfVlan = NumberOfVlan;\r
+ for (Index = 0; Index < NumberOfVlan; Index++) {\r
+ MnpServiceData = MnpCreateServiceData (\r
+ MnpDeviceData,\r
+ VlanVariable[Index].Bits.Vid,\r
+ (UINT8) VlanVariable[Index].Bits.Priority\r
+ );\r
+\r
+ if (MnpServiceData == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+\r
+ goto Exit;\r
+ }\r
+ }\r
+\r
+Exit:\r
+ if (VlanVariable != NULL) {\r
+ FreePool (VlanVariable);\r
+ }\r
\r
if (EFI_ERROR (Status)) {\r
+ //\r
+ // Destroy all MNP service data\r
+ //\r
+ while (!IsListEmpty (&MnpDeviceData->ServiceList)) {\r
+ Entry = GetFirstNode (&MnpDeviceData->ServiceList);\r
+ MnpServiceData = MNP_SERVICE_DATA_FROM_LINK (Entry);\r
+ MnpDestroyServiceData (MnpServiceData);\r
+ }\r
\r
- if (MnpInitialized) {\r
- //\r
- // Flush the Mnp Service Data.\r
- //\r
- MnpFlushServiceData (MnpServiceData);\r
+ //\r
+ // Uninstall the VLAN Config Protocol if any\r
+ //\r
+ if (MnpDeviceData->VlanConfig.Set != NULL) {\r
+ gBS->UninstallMultipleProtocolInterfaces (\r
+ MnpDeviceData->ControllerHandle,\r
+ &gEfiVlanConfigProtocolGuid,\r
+ &MnpDeviceData->VlanConfig,\r
+ NULL\r
+ );\r
}\r
\r
- gBS->FreePool (MnpServiceData);\r
+ //\r
+ // Destroy Mnp Device Data\r
+ //\r
+ MnpDestroyDeviceData (MnpDeviceData, This->DriverBindingHandle);\r
+ FreePool (MnpDeviceData);\r
}\r
\r
return Status;\r
}\r
\r
-\r
/**\r
- Stop this driver on ControllerHandle.\r
-\r
- @param This Protocol instance pointer.\r
- @param ControllerHandle Handle of device to stop driver on.\r
- @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number\r
- of children is zero stop the entire bus driver.\r
- @param ChildHandleBuffer List of Child Handles to Stop.\r
-\r
- @retval EFI_SUCCES This driver is removed ControllerHandle.\r
- @retval other This driver was not removed from this device.\r
+ Stop this driver on ControllerHandle. This service is called by the\r
+ EFI boot service DisconnectController(). In order to make drivers as\r
+ small as possible, there are a few calling restrictions for this service.\r
+ DisconnectController() must follow these calling restrictions. If any other\r
+ agent wishes to call Stop() it must also follow these calling restrictions.\r
+\r
+ @param[in] This Protocol instance pointer.\r
+ @param[in] ControllerHandle Handle of device to stop driver on.\r
+ @param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If\r
+ number of children is zero stop the entire\r
+ bus driver.\r
+ @param[in] ChildHandleBuffer List of Child Handles to Stop.\r
+\r
+ @retval EFI_SUCCESS This driver is removed ControllerHandle.\r
+ @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
MnpDriverBindingStop (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE ControllerHandle,\r
- IN UINTN NumberOfChildren,\r
- IN EFI_HANDLE *ChildHandleBuffer\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE ControllerHandle,\r
+ IN UINTN NumberOfChildren,\r
+ IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r
)\r
{\r
EFI_STATUS Status;\r
EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r
+ EFI_VLAN_CONFIG_PROTOCOL *VlanConfig;\r
+ MNP_DEVICE_DATA *MnpDeviceData;\r
MNP_SERVICE_DATA *MnpServiceData;\r
- MNP_INSTANCE_DATA *Instance;\r
+ LIST_ENTRY *List;\r
+ UINTN ListLength;\r
\r
//\r
- // Retrieve the MNP service binding protocol from the ControllerHandle.\r
+ // Try to retrieve MNP service binding protocol from the ControllerHandle\r
//\r
Status = gBS->OpenProtocol (\r
ControllerHandle,\r
EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
);\r
if (EFI_ERROR (Status)) {\r
+ //\r
+ // Retrieve VLAN Config Protocol from the ControllerHandle\r
+ //\r
+ Status = gBS->OpenProtocol (\r
+ ControllerHandle,\r
+ &gEfiVlanConfigProtocolGuid,\r
+ (VOID **) &VlanConfig,\r
+ This->DriverBindingHandle,\r
+ ControllerHandle,\r
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG ((EFI_D_ERROR, "MnpDriverBindingStop: try to stop unknown Controller.\n"));\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
\r
- DEBUG (\r
- (EFI_D_ERROR,\r
- "MnpDriverBindingStop: Locate MNP Service Binding Protocol failed, %r.\n",\r
- Status)\r
- );\r
- return EFI_DEVICE_ERROR;\r
+ MnpDeviceData = MNP_DEVICE_DATA_FROM_THIS (VlanConfig);\r
+ } else {\r
+ MnpServiceData = MNP_SERVICE_DATA_FROM_THIS (ServiceBinding);\r
+ MnpDeviceData = MnpServiceData->MnpDeviceData;\r
}\r
\r
- MnpServiceData = MNP_SERVICE_DATA_FROM_THIS (ServiceBinding);\r
-\r
if (NumberOfChildren == 0) {\r
//\r
- // Uninstall the MNP Service Binding Protocol.\r
+ // Destroy all MNP service data\r
//\r
- gBS->UninstallMultipleProtocolInterfaces (\r
- ControllerHandle,\r
- &gEfiManagedNetworkServiceBindingProtocolGuid,\r
- ServiceBinding,\r
- NULL\r
- );\r
+ List = &MnpDeviceData->ServiceList;\r
+ Status = NetDestroyLinkList (\r
+ List,\r
+ MnpDestroyServiceDataEntry,\r
+ NULL,\r
+ &ListLength\r
+ );\r
+ if (EFI_ERROR (Status) || ListLength !=0) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
\r
//\r
- // Close the openned Snp protocol.\r
+ // Uninstall the VLAN Config Protocol if any\r
//\r
- gBS->CloseProtocol (\r
- ControllerHandle,\r
- &gEfiSimpleNetworkProtocolGuid,\r
- This->DriverBindingHandle,\r
- ControllerHandle\r
- );\r
+ if (MnpDeviceData->VlanConfig.Set != NULL) {\r
+ gBS->UninstallMultipleProtocolInterfaces (\r
+ MnpDeviceData->ControllerHandle,\r
+ &gEfiVlanConfigProtocolGuid,\r
+ &MnpDeviceData->VlanConfig,\r
+ NULL\r
+ );\r
+ }\r
\r
//\r
- // Flush the Mnp service data.\r
+ // Destroy Mnp Device Data\r
//\r
- MnpFlushServiceData (MnpServiceData);\r
+ MnpDestroyDeviceData (MnpDeviceData, This->DriverBindingHandle);\r
+ FreePool (MnpDeviceData);\r
\r
- gBS->FreePool (MnpServiceData);\r
- } else {\r
- while (!IsListEmpty (&MnpServiceData->ChildrenList)) {\r
- //\r
- // Don't use NetListRemoveHead here, the remove opreration will be done\r
- // in ServiceBindingDestroyChild.\r
- //\r
- Instance = NET_LIST_HEAD (\r
- &MnpServiceData->ChildrenList,\r
- MNP_INSTANCE_DATA,\r
- InstEntry\r
- );\r
-\r
- ServiceBinding->DestroyChild (ServiceBinding, Instance->Handle);\r
+ if (gMnpControllerNameTable != NULL) {\r
+ FreeUnicodeStringTable (gMnpControllerNameTable);\r
+ gMnpControllerNameTable = NULL;\r
}\r
+ return EFI_SUCCESS;\r
}\r
\r
- return Status;\r
+ //\r
+ // Stop all MNP child\r
+ //\r
+ List = &MnpDeviceData->ServiceList;\r
+ Status = NetDestroyLinkList (\r
+ List,\r
+ MnpDestroyServiceChildEntry,\r
+ NULL,\r
+ &ListLength\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
}\r
\r
\r
/**\r
Creates a child handle with a set of I/O services.\r
\r
- @param This Protocol instance pointer.\r
- @param ChildHandle Pointer to the handle of the child to create. If\r
- it is NULL, then a new handle is created. If it is\r
- not NULL, then the I/O services are added to the\r
- existing child handle.\r
+ @param[in] This Protocol instance pointer.\r
+ @param[in, out] ChildHandle Pointer to the handle of the child to create. If\r
+ it is NULL, then a new handle is created. If\r
+ it is not NULL, then the I/O services are added\r
+ to the existing child handle.\r
\r
- @retval EFI_SUCCES The child handle was created with the I/O\r
- services.\r
- @retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create\r
- the child.\r
- @retval other The child handle was not created.\r
+ @retval EFI_SUCCES The protocol was added to ChildHandle.\r
+ @retval EFI_INVALID_PARAMETER ChildHandle is NULL.\r
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to\r
+ create the child.\r
+ @retval Others The child handle was not created.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
MnpServiceBindingCreateChild (\r
- IN EFI_SERVICE_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE *ChildHandle\r
+ IN EFI_SERVICE_BINDING_PROTOCOL *This,\r
+ IN OUT EFI_HANDLE *ChildHandle\r
)\r
{\r
EFI_STATUS Status;\r
MNP_SERVICE_DATA *MnpServiceData;\r
MNP_INSTANCE_DATA *Instance;\r
- VOID *Snp;\r
+ VOID *MnpSb;\r
EFI_TPL OldTpl;\r
\r
if ((This == NULL) || (ChildHandle == NULL)) {\r
-\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
//\r
Instance = AllocateZeroPool (sizeof (MNP_INSTANCE_DATA));\r
if (Instance == NULL) {\r
-\r
DEBUG ((EFI_D_ERROR, "MnpServiceBindingCreateChild: Faild to allocate memory for the new instance.\n"));\r
+\r
return EFI_OUT_OF_RESOURCES;\r
}\r
\r
NULL\r
);\r
if (EFI_ERROR (Status)) {\r
-\r
DEBUG (\r
(EFI_D_ERROR,\r
"MnpServiceBindingCreateChild: Failed to install the MNP protocol, %r.\n",\r
Status)\r
);\r
+\r
goto ErrorExit;\r
}\r
\r
Instance->Handle = *ChildHandle;\r
\r
Status = gBS->OpenProtocol (\r
- MnpServiceData->ControllerHandle,\r
- &gEfiSimpleNetworkProtocolGuid,\r
- (VOID **) &Snp,\r
+ MnpServiceData->ServiceHandle,\r
+ &gEfiManagedNetworkServiceBindingProtocolGuid,\r
+ (VOID **) &MnpSb,\r
gMnpDriverBinding.DriverBindingHandle,\r
Instance->Handle,\r
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
if (Instance->Handle != NULL) {\r
\r
gBS->UninstallMultipleProtocolInterfaces (\r
+ Instance->Handle,\r
&gEfiManagedNetworkProtocolGuid,\r
&Instance->ManagedNetwork,\r
NULL\r
);\r
}\r
\r
- gBS->FreePool (Instance);\r
+ FreePool (Instance);\r
}\r
\r
return Status;\r
/**\r
Destroys a child handle with a set of I/O services.\r
\r
- @param This Protocol instance pointer.\r
- @param ChildHandle Handle of the child to destroy.\r
+ The DestroyChild() function does the opposite of CreateChild(). It removes a\r
+ protocol that was installed by CreateChild() from ChildHandle. If the removed\r
+ protocol is the last protocol on ChildHandle, then ChildHandle is destroyed.\r
\r
- @retval EFI_SUCCES The I/O services were removed from the child\r
- handle.\r
- @retval EFI_UNSUPPORTED The child handle does not support the I/O services\r
- that are being removed.\r
- @retval EFI_INVALID_PARAMETER Child handle is not a valid EFI Handle.\r
- @retval EFI_ACCESS_DENIED The child handle could not be destroyed because\r
- its I/O services are being used.\r
- @retval other The child handle was not destroyed.\r
+ @param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL\r
+ instance.\r
+ @param[in] ChildHandle Handle of the child to destroy.\r
+\r
+ @retval EFI_SUCCES The protocol was removed from ChildHandle.\r
+ @retval EFI_UNSUPPORTED ChildHandle does not support the protocol that\r
+ is being removed.\r
+ @retval EFI_INVALID_PARAMETER ChildHandle is NULL.\r
+ @retval EFI_ACCESS_DENIED The protocol could not be removed from the\r
+ ChildHandle because its services are being\r
+ used.\r
+ @retval Others The child handle was not destroyed.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
MnpServiceBindingDestroyChild (\r
- IN EFI_SERVICE_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE ChildHandle\r
+ IN EFI_SERVICE_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE ChildHandle\r
)\r
{\r
EFI_STATUS Status;\r
EFI_TPL OldTpl;\r
\r
if ((This == NULL) || (ChildHandle == NULL)) {\r
-\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
);\r
if (EFI_ERROR (Status)) {\r
-\r
return EFI_UNSUPPORTED;\r
}\r
\r
// will only excecute once.\r
//\r
if (Instance->Destroyed) {\r
-\r
return EFI_SUCCESS;\r
}\r
\r
// Close the Simple Network protocol.\r
//\r
gBS->CloseProtocol (\r
- MnpServiceData->ControllerHandle,\r
- &gEfiSimpleNetworkProtocolGuid,\r
- gMnpDriverBinding.DriverBindingHandle,\r
+ MnpServiceData->ServiceHandle,\r
+ &gEfiManagedNetworkServiceBindingProtocolGuid,\r
+ MnpServiceData->MnpDeviceData->ImageHandle,\r
ChildHandle\r
);\r
\r
NULL\r
);\r
if (EFI_ERROR (Status)) {\r
-\r
DEBUG (\r
(EFI_D_ERROR,\r
"MnpServiceBindingDestroyChild: Failed to uninstall the ManagedNetwork protocol, %r.\n",\r
\r
gBS->RestoreTPL (OldTpl);\r
\r
- gBS->FreePool (Instance);\r
+ FreePool (Instance);\r
\r
return Status;\r
}\r
\r
+/**\r
+ The entry point for Mnp driver which installs the driver binding and component\r
+ name protocol on its ImageHandle.\r
+\r
+ @param[in] ImageHandle The image handle of the driver.\r
+ @param[in] SystemTable The system table.\r
+\r
+ @retval EFI_SUCCES The driver binding and component name protocols are\r
+ successfully installed.\r
+ @retval Others Other errors as indicated.\r
\r
+**/\r
EFI_STATUS\r
EFIAPI\r
MnpDriverEntryPoint (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
)\r
-/*++\r
-\r
-Routine Description:\r
-\r
- The entry point for Mnp driver which installs the driver binding and component name\r
- protocol on its ImageHandle.\r
-\r
-Arguments:\r
-\r
- ImageHandle - The image handle of the driver.\r
- SystemTable - The system table.\r
-\r
-Returns:\r
-\r
- EFI_SUCCESS - If the driver binding and component name protocols are successfully\r
- installed, otherwise if failed.\r
-\r
---*/\r
{\r
return EfiLibInstallDriverBindingComponentName2 (\r
ImageHandle,\r
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