2007-07-24 10:06:37 +02:00
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/** @file
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2009-02-03 08:56:54 +01:00
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Implementation of driver entry point and driver binding protocol.
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2007-07-24 10:06:37 +02:00
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2009-12-30 14:47:55 +01:00
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Copyright (c) 2005 - 2009, Intel Corporation.<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions
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of the BSD License which accompanies this distribution. The full
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text of the license may be found at<BR>
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http://opensource.org/licenses/bsd-license.php
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2007-07-24 10:06:37 +02:00
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "MnpDriver.h"
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#include "MnpImpl.h"
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2009-12-30 14:47:55 +01:00
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#include "MnpVlan.h"
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2007-07-24 10:06:37 +02:00
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EFI_DRIVER_BINDING_PROTOCOL gMnpDriverBinding = {
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MnpDriverBindingSupported,
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MnpDriverBindingStart,
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MnpDriverBindingStop,
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0xa,
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NULL,
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NULL
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};
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/**
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2008-11-18 05:52:51 +01:00
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Test to see if this driver supports ControllerHandle. This service
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is called by the EFI boot service ConnectController(). In
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order to make drivers as small as possible, there are a few calling
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restrictions for this service. ConnectController() must
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follow these calling restrictions. If any other agent wishes to call
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Supported() it must also follow these calling restrictions.
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2009-02-03 08:56:54 +01:00
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@param[in] This Protocol instance pointer.
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@param[in] ControllerHandle Handle of device to test.
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2009-12-30 14:47:55 +01:00
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@param[in] RemainingDevicePath Optional parameter use to pick a specific
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2009-02-03 08:56:54 +01:00
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child device to start.
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2008-11-18 05:52:51 +01:00
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2009-02-03 08:56:54 +01:00
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@retval EFI_SUCCESS This driver supports this device.
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@retval EFI_ALREADY_STARTED This driver is already running on this device.
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@retval Others This driver does not support this device.
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2007-07-24 10:06:37 +02:00
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**/
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EFI_STATUS
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EFIAPI
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MnpDriverBindingSupported (
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2009-12-30 14:47:55 +01:00
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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2007-07-24 10:06:37 +02:00
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)
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{
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2008-08-01 10:16:40 +02:00
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EFI_STATUS Status;
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EFI_SIMPLE_NETWORK_PROTOCOL *Snp;
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2007-07-24 10:06:37 +02:00
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//
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2008-08-01 10:16:40 +02:00
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// Test to open the Simple Network protocol BY_DRIVER.
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2007-07-24 10:06:37 +02:00
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//
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiSimpleNetworkProtocolGuid,
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2008-08-01 10:16:40 +02:00
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(VOID **) &Snp,
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2007-07-24 10:06:37 +02:00
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This->DriverBindingHandle,
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ControllerHandle,
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2008-08-01 10:16:40 +02:00
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EFI_OPEN_PROTOCOL_BY_DRIVER
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2007-07-24 10:06:37 +02:00
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);
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2008-08-01 10:16:40 +02:00
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Close the openned SNP protocol.
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//
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gBS->CloseProtocol (
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ControllerHandle,
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&gEfiSimpleNetworkProtocolGuid,
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This->DriverBindingHandle,
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ControllerHandle
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);
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return EFI_SUCCESS;
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2007-07-24 10:06:37 +02:00
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}
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/**
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2008-11-18 05:52:51 +01:00
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Start this driver on ControllerHandle. This service is called by the
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2009-12-30 14:47:55 +01:00
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EFI boot service ConnectController(). In order to make drivers as small
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2009-02-03 08:56:54 +01:00
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as possible, there are a few calling restrictions for this service.
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ConnectController() must follow these calling restrictions. If any other
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agent wishes to call Start() it must also follow these calling restrictions.
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@param[in] This Protocol instance pointer.
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@param[in] ControllerHandle Handle of device to bind driver to.
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2009-12-30 14:47:55 +01:00
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@param[in] RemainingDevicePath Optional parameter use to pick a specific
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2009-02-03 08:56:54 +01:00
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child device to start.
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@retval EFI_SUCCESS This driver is added to ControllerHandle.
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@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate memory for Mnp Service Data.
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@retval Others This driver does not support this device.
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2009-12-30 14:47:55 +01:00
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2007-07-24 10:06:37 +02:00
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**/
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EFI_STATUS
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EFIAPI
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MnpDriverBindingStart (
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2009-12-30 14:47:55 +01:00
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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2007-07-24 10:06:37 +02:00
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)
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{
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EFI_STATUS Status;
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MNP_SERVICE_DATA *MnpServiceData;
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2009-12-30 14:47:55 +01:00
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MNP_DEVICE_DATA *MnpDeviceData;
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LIST_ENTRY *Entry;
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VLAN_TCI *VlanVariable;
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UINTN NumberOfVlan;
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UINTN Index;
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2007-07-24 10:06:37 +02:00
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2009-12-30 14:47:55 +01:00
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VlanVariable = NULL;
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2007-07-24 10:06:37 +02:00
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2009-12-30 14:47:55 +01:00
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//
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// Initialize the Mnp Device Data
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//
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MnpDeviceData = AllocateZeroPool (sizeof (MNP_DEVICE_DATA));
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if (MnpDeviceData == NULL) {
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DEBUG ((EFI_D_ERROR, "MnpDriverBindingStart(): Failed to allocate the Mnp Device Data.\n"));
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2007-07-24 10:06:37 +02:00
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return EFI_OUT_OF_RESOURCES;
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}
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2009-12-30 14:47:55 +01:00
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Status = MnpInitializeDeviceData (MnpDeviceData, This->DriverBindingHandle, ControllerHandle);
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2007-07-24 10:06:37 +02:00
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if (EFI_ERROR (Status)) {
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2009-12-30 14:47:55 +01:00
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DEBUG ((EFI_D_ERROR, "MnpDriverBindingStart: MnpInitializeDeviceData failed, %r.\n", Status));
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2007-07-24 10:06:37 +02:00
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2009-12-30 14:47:55 +01:00
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FreePool (MnpDeviceData);
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return Status;
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2007-07-24 10:06:37 +02:00
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}
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2009-12-30 14:47:55 +01:00
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//
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// Check whether NIC driver has already produced VlanConfig protocol
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//
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiVlanConfigProtocolGuid,
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NULL,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_TEST_PROTOCOL
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);
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if (!EFI_ERROR (Status)) {
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//
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// NIC hardware already implement VLAN,
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// no need to provide software VLAN implementation in MNP driver
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//
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MnpDeviceData->NumberOfVlan = 0;
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ZeroMem (&MnpDeviceData->VlanConfig, sizeof (EFI_VLAN_CONFIG_PROTOCOL));
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MnpServiceData = MnpCreateServiceData (MnpDeviceData, 0, 0);
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Status = (MnpServiceData != NULL) ? EFI_SUCCESS : EFI_OUT_OF_RESOURCES;
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goto Exit;
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}
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2007-07-24 10:06:37 +02:00
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//
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2009-12-30 14:47:55 +01:00
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// Install VLAN Config Protocol
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2007-07-24 10:06:37 +02:00
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//
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Status = gBS->InstallMultipleProtocolInterfaces (
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&ControllerHandle,
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2009-12-30 14:47:55 +01:00
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&gEfiVlanConfigProtocolGuid,
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&MnpDeviceData->VlanConfig,
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2007-07-24 10:06:37 +02:00
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NULL
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);
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2009-12-30 14:47:55 +01:00
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if (EFI_ERROR (Status)) {
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goto Exit;
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}
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2007-07-24 10:06:37 +02:00
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2009-12-30 14:47:55 +01:00
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//
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// Get current VLAN configuration from EFI Variable
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//
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NumberOfVlan = 0;
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Status = MnpGetVlanVariable (MnpDeviceData, &NumberOfVlan, &VlanVariable);
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if (EFI_ERROR (Status)) {
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//
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// No VLAN is set, create a default MNP service data for untagged frame
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//
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MnpDeviceData->NumberOfVlan = 0;
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MnpServiceData = MnpCreateServiceData (MnpDeviceData, 0, 0);
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Status = (MnpServiceData != NULL) ? EFI_SUCCESS : EFI_OUT_OF_RESOURCES;
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goto Exit;
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}
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//
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// Create MNP service data for each VLAN
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//
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MnpDeviceData->NumberOfVlan = NumberOfVlan;
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for (Index = 0; Index < NumberOfVlan; Index++) {
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MnpServiceData = MnpCreateServiceData (
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MnpDeviceData,
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VlanVariable[Index].Bits.Vid,
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(UINT8) VlanVariable[Index].Bits.Priority
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);
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if (MnpServiceData == NULL) {
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Status = EFI_OUT_OF_RESOURCES;
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goto Exit;
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}
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}
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Exit:
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if (VlanVariable != NULL) {
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FreePool (VlanVariable);
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}
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2007-07-24 10:06:37 +02:00
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if (EFI_ERROR (Status)) {
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2009-12-30 14:47:55 +01:00
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//
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// Destroy all MNP service data
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//
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while (!IsListEmpty (&MnpDeviceData->ServiceList)) {
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Entry = GetFirstNode (&MnpDeviceData->ServiceList);
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MnpServiceData = MNP_SERVICE_DATA_FROM_LINK (Entry);
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MnpDestroyServiceData (MnpServiceData);
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}
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2007-07-24 10:06:37 +02:00
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2009-12-30 14:47:55 +01:00
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//
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// Uninstall the VLAN Config Protocol if any
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//
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if (MnpDeviceData->VlanConfig.Set != NULL) {
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gBS->UninstallMultipleProtocolInterfaces (
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MnpDeviceData->ControllerHandle,
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&gEfiVlanConfigProtocolGuid,
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&MnpDeviceData->VlanConfig,
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NULL
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);
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2007-07-24 10:06:37 +02:00
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}
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2009-12-30 14:47:55 +01:00
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//
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// Destroy Mnp Device Data
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//
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MnpDestroyDeviceData (MnpDeviceData, This->DriverBindingHandle);
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FreePool (MnpDeviceData);
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2007-07-24 10:06:37 +02:00
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}
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return Status;
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}
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/**
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2008-11-18 05:52:51 +01:00
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Stop this driver on ControllerHandle. This service is called by the
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2009-12-30 14:47:55 +01:00
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EFI boot service DisconnectController(). In order to make drivers as
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small as possible, there are a few calling restrictions for this service.
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DisconnectController() must follow these calling restrictions. If any other
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2009-02-03 08:56:54 +01:00
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agent wishes to call Stop() it must also follow these calling restrictions.
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2009-12-30 14:47:55 +01:00
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2009-02-03 08:56:54 +01:00
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@param[in] This Protocol instance pointer.
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@param[in] ControllerHandle Handle of device to stop driver on.
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2009-12-30 14:47:55 +01:00
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@param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If
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number of children is zero stop the entire
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bus driver.
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2009-02-03 08:56:54 +01:00
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@param[in] ChildHandleBuffer List of Child Handles to Stop.
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2008-11-18 05:52:51 +01:00
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2009-02-03 08:56:54 +01:00
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@retval EFI_SUCCESS This driver is removed ControllerHandle.
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@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
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2007-07-24 10:06:37 +02:00
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**/
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EFI_STATUS
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EFIAPI
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MnpDriverBindingStop (
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2009-12-30 14:47:55 +01:00
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
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2007-07-24 10:06:37 +02:00
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)
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{
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EFI_STATUS Status;
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EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
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2009-12-30 14:47:55 +01:00
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EFI_VLAN_CONFIG_PROTOCOL *VlanConfig;
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MNP_DEVICE_DATA *MnpDeviceData;
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2007-07-24 10:06:37 +02:00
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MNP_SERVICE_DATA *MnpServiceData;
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2009-12-30 14:47:55 +01:00
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BOOLEAN AllChildrenStopped;
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LIST_ENTRY *Entry;
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2007-07-24 10:06:37 +02:00
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//
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2009-12-30 14:47:55 +01:00
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// Try to retrieve MNP service binding protocol from the ControllerHandle
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2007-07-24 10:06:37 +02:00
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//
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiManagedNetworkServiceBindingProtocolGuid,
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(VOID **) &ServiceBinding,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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2009-12-30 14:47:55 +01:00
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//
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// Retrieve VLAN Config Protocol from the ControllerHandle
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//
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiVlanConfigProtocolGuid,
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(VOID **) &VlanConfig,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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DEBUG ((EFI_D_ERROR, "MnpDriverBindingStop: try to stop unknown Controller.\n"));
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return EFI_DEVICE_ERROR;
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}
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2007-07-24 10:06:37 +02:00
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2009-12-30 14:47:55 +01:00
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MnpDeviceData = MNP_DEVICE_DATA_FROM_THIS (VlanConfig);
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} else {
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MnpServiceData = MNP_SERVICE_DATA_FROM_THIS (ServiceBinding);
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MnpDeviceData = MnpServiceData->MnpDeviceData;
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2007-07-24 10:06:37 +02:00
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}
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2007-12-18 08:01:23 +01:00
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if (NumberOfChildren == 0) {
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2007-07-24 10:06:37 +02:00
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//
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2009-12-30 14:47:55 +01:00
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// Destroy all MNP service data
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2007-07-24 10:06:37 +02:00
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//
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2009-12-30 14:47:55 +01:00
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while (!IsListEmpty (&MnpDeviceData->ServiceList)) {
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Entry = GetFirstNode (&MnpDeviceData->ServiceList);
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|
|
|
MnpServiceData = MNP_SERVICE_DATA_FROM_LINK (Entry);
|
|
|
|
MnpDestroyServiceData (MnpServiceData);
|
|
|
|
}
|
2007-07-24 10:06:37 +02:00
|
|
|
|
2007-12-18 08:01:23 +01:00
|
|
|
//
|
2009-12-30 14:47:55 +01:00
|
|
|
// Uninstall the VLAN Config Protocol if any
|
2007-12-18 08:01:23 +01:00
|
|
|
//
|
2009-12-30 14:47:55 +01:00
|
|
|
if (MnpDeviceData->VlanConfig.Set != NULL) {
|
|
|
|
gBS->UninstallMultipleProtocolInterfaces (
|
|
|
|
MnpDeviceData->ControllerHandle,
|
|
|
|
&gEfiVlanConfigProtocolGuid,
|
|
|
|
&MnpDeviceData->VlanConfig,
|
|
|
|
NULL
|
|
|
|
);
|
|
|
|
}
|
2007-07-24 10:06:37 +02:00
|
|
|
|
2009-12-30 14:47:55 +01:00
|
|
|
//
|
|
|
|
// Destroy the Mnp device data
|
|
|
|
//
|
|
|
|
MnpDestroyDeviceData (MnpDeviceData, This->DriverBindingHandle);
|
|
|
|
FreePool (MnpDeviceData);
|
|
|
|
|
|
|
|
return EFI_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
//
|
|
|
|
// Stop all MNP child
|
|
|
|
//
|
|
|
|
AllChildrenStopped = TRUE;
|
|
|
|
NET_LIST_FOR_EACH (Entry, &MnpDeviceData->ServiceList) {
|
|
|
|
MnpServiceData = MNP_SERVICE_DATA_FROM_LINK (Entry);
|
|
|
|
|
|
|
|
Status = MnpDestroyServiceChild (MnpServiceData);
|
|
|
|
if (EFI_ERROR (Status)) {
|
|
|
|
AllChildrenStopped = FALSE;
|
2007-12-18 08:01:23 +01:00
|
|
|
}
|
2007-07-24 10:06:37 +02:00
|
|
|
}
|
|
|
|
|
2009-12-30 14:47:55 +01:00
|
|
|
if (!AllChildrenStopped) {
|
|
|
|
return EFI_DEVICE_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
return EFI_SUCCESS;
|
2007-07-24 10:06:37 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
2009-02-03 08:56:54 +01:00
|
|
|
Creates a child handle with a set of I/O services.
|
2007-07-24 10:06:37 +02:00
|
|
|
|
2009-02-03 08:56:54 +01:00
|
|
|
@param[in] This Protocol instance pointer.
|
|
|
|
@param[in, out] ChildHandle Pointer to the handle of the child to create. If
|
|
|
|
it is NULL, then a new handle is created. If
|
2009-12-30 14:47:55 +01:00
|
|
|
it is not NULL, then the I/O services are added
|
|
|
|
to the existing child handle.
|
2007-07-24 10:06:37 +02:00
|
|
|
|
2009-12-30 14:47:55 +01:00
|
|
|
@retval EFI_SUCCES The protocol was added to ChildHandle.
|
|
|
|
@retval EFI_INVALID_PARAMETER ChildHandle is NULL.
|
|
|
|
@retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to
|
2009-02-03 08:56:54 +01:00
|
|
|
create the child.
|
|
|
|
@retval Others The child handle was not created.
|
2007-07-24 10:06:37 +02:00
|
|
|
|
|
|
|
**/
|
|
|
|
EFI_STATUS
|
|
|
|
EFIAPI
|
|
|
|
MnpServiceBindingCreateChild (
|
2009-12-30 14:47:55 +01:00
|
|
|
IN EFI_SERVICE_BINDING_PROTOCOL *This,
|
|
|
|
IN OUT EFI_HANDLE *ChildHandle
|
2007-07-24 10:06:37 +02:00
|
|
|
)
|
|
|
|
{
|
|
|
|
EFI_STATUS Status;
|
|
|
|
MNP_SERVICE_DATA *MnpServiceData;
|
|
|
|
MNP_INSTANCE_DATA *Instance;
|
2009-12-30 14:47:55 +01:00
|
|
|
VOID *MnpSb;
|
2007-07-24 10:06:37 +02:00
|
|
|
EFI_TPL OldTpl;
|
|
|
|
|
|
|
|
if ((This == NULL) || (ChildHandle == NULL)) {
|
|
|
|
return EFI_INVALID_PARAMETER;
|
|
|
|
}
|
|
|
|
|
|
|
|
MnpServiceData = MNP_SERVICE_DATA_FROM_THIS (This);
|
|
|
|
|
|
|
|
//
|
|
|
|
// Allocate buffer for the new instance.
|
|
|
|
//
|
2008-02-14 10:40:22 +01:00
|
|
|
Instance = AllocateZeroPool (sizeof (MNP_INSTANCE_DATA));
|
2007-07-24 10:06:37 +02:00
|
|
|
if (Instance == NULL) {
|
2008-02-14 10:40:22 +01:00
|
|
|
DEBUG ((EFI_D_ERROR, "MnpServiceBindingCreateChild: Faild to allocate memory for the new instance.\n"));
|
2009-12-30 14:47:55 +01:00
|
|
|
|
2007-07-24 10:06:37 +02:00
|
|
|
return EFI_OUT_OF_RESOURCES;
|
|
|
|
}
|
|
|
|
|
|
|
|
//
|
|
|
|
// Init the instance data.
|
|
|
|
//
|
|
|
|
MnpInitializeInstanceData (MnpServiceData, Instance);
|
|
|
|
|
|
|
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
|
|
|
ChildHandle,
|
|
|
|
&gEfiManagedNetworkProtocolGuid,
|
|
|
|
&Instance->ManagedNetwork,
|
|
|
|
NULL
|
|
|
|
);
|
|
|
|
if (EFI_ERROR (Status)) {
|
2008-02-14 10:40:22 +01:00
|
|
|
DEBUG (
|
|
|
|
(EFI_D_ERROR,
|
|
|
|
"MnpServiceBindingCreateChild: Failed to install the MNP protocol, %r.\n",
|
2007-07-24 10:06:37 +02:00
|
|
|
Status)
|
|
|
|
);
|
2009-12-30 14:47:55 +01:00
|
|
|
|
2007-07-24 10:06:37 +02:00
|
|
|
goto ErrorExit;
|
|
|
|
}
|
|
|
|
|
|
|
|
//
|
|
|
|
// Save the instance's childhandle.
|
|
|
|
//
|
|
|
|
Instance->Handle = *ChildHandle;
|
|
|
|
|
|
|
|
Status = gBS->OpenProtocol (
|
2009-12-30 14:47:55 +01:00
|
|
|
MnpServiceData->ServiceHandle,
|
|
|
|
&gEfiManagedNetworkServiceBindingProtocolGuid,
|
|
|
|
(VOID **) &MnpSb,
|
2007-07-24 10:06:37 +02:00
|
|
|
gMnpDriverBinding.DriverBindingHandle,
|
|
|
|
Instance->Handle,
|
|
|
|
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
|
|
|
|
);
|
|
|
|
if (EFI_ERROR (Status)) {
|
|
|
|
goto ErrorExit;
|
|
|
|
}
|
|
|
|
|
|
|
|
//
|
|
|
|
// Add the child instance into ChildrenList.
|
|
|
|
//
|
2008-02-14 10:40:22 +01:00
|
|
|
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
|
2007-07-24 10:06:37 +02:00
|
|
|
|
2008-02-14 10:40:22 +01:00
|
|
|
InsertTailList (&MnpServiceData->ChildrenList, &Instance->InstEntry);
|
2007-07-24 10:06:37 +02:00
|
|
|
MnpServiceData->ChildrenNumber++;
|
|
|
|
|
2008-02-14 10:40:22 +01:00
|
|
|
gBS->RestoreTPL (OldTpl);
|
2007-07-24 10:06:37 +02:00
|
|
|
|
|
|
|
ErrorExit:
|
|
|
|
|
|
|
|
if (EFI_ERROR (Status)) {
|
|
|
|
|
|
|
|
if (Instance->Handle != NULL) {
|
|
|
|
|
|
|
|
gBS->UninstallMultipleProtocolInterfaces (
|
|
|
|
&gEfiManagedNetworkProtocolGuid,
|
|
|
|
&Instance->ManagedNetwork,
|
|
|
|
NULL
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
2009-11-13 07:13:59 +01:00
|
|
|
FreePool (Instance);
|
2007-07-24 10:06:37 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
return Status;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
2009-02-03 08:56:54 +01:00
|
|
|
Destroys a child handle with a set of I/O services.
|
2009-12-30 14:47:55 +01:00
|
|
|
|
|
|
|
The DestroyChild() function does the opposite of CreateChild(). It removes a
|
|
|
|
protocol that was installed by CreateChild() from ChildHandle. If the removed
|
|
|
|
protocol is the last protocol on ChildHandle, then ChildHandle is destroyed.
|
|
|
|
|
|
|
|
@param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL
|
2009-02-03 08:56:54 +01:00
|
|
|
instance.
|
|
|
|
@param[in] ChildHandle Handle of the child to destroy.
|
|
|
|
|
2009-12-30 14:47:55 +01:00
|
|
|
@retval EFI_SUCCES The protocol was removed from ChildHandle.
|
2009-02-03 08:56:54 +01:00
|
|
|
@retval EFI_UNSUPPORTED ChildHandle does not support the protocol that
|
|
|
|
is being removed.
|
|
|
|
@retval EFI_INVALID_PARAMETER ChildHandle is not a valid UEFI handle.
|
|
|
|
@retval EFI_ACCESS_DENIED The protocol could not be removed from the
|
|
|
|
ChildHandle because its services are being
|
|
|
|
used.
|
|
|
|
@retval Others The child handle was not destroyed.
|
2007-07-24 10:06:37 +02:00
|
|
|
|
|
|
|
**/
|
|
|
|
EFI_STATUS
|
|
|
|
EFIAPI
|
|
|
|
MnpServiceBindingDestroyChild (
|
2009-12-30 14:47:55 +01:00
|
|
|
IN EFI_SERVICE_BINDING_PROTOCOL *This,
|
|
|
|
IN EFI_HANDLE ChildHandle
|
2007-07-24 10:06:37 +02:00
|
|
|
)
|
|
|
|
{
|
|
|
|
EFI_STATUS Status;
|
|
|
|
MNP_SERVICE_DATA *MnpServiceData;
|
|
|
|
EFI_MANAGED_NETWORK_PROTOCOL *ManagedNetwork;
|
|
|
|
MNP_INSTANCE_DATA *Instance;
|
|
|
|
EFI_TPL OldTpl;
|
|
|
|
|
|
|
|
if ((This == NULL) || (ChildHandle == NULL)) {
|
|
|
|
return EFI_INVALID_PARAMETER;
|
|
|
|
}
|
|
|
|
|
|
|
|
MnpServiceData = MNP_SERVICE_DATA_FROM_THIS (This);
|
|
|
|
|
|
|
|
//
|
|
|
|
// Try to retrieve ManagedNetwork Protocol from ChildHandle.
|
|
|
|
//
|
|
|
|
Status = gBS->OpenProtocol (
|
|
|
|
ChildHandle,
|
|
|
|
&gEfiManagedNetworkProtocolGuid,
|
|
|
|
(VOID **) &ManagedNetwork,
|
|
|
|
gMnpDriverBinding.DriverBindingHandle,
|
|
|
|
ChildHandle,
|
|
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
|
|
);
|
|
|
|
if (EFI_ERROR (Status)) {
|
|
|
|
return EFI_UNSUPPORTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
Instance = MNP_INSTANCE_DATA_FROM_THIS (ManagedNetwork);
|
|
|
|
|
|
|
|
//
|
|
|
|
// MnpServiceBindingDestroyChild may be called twice: first called by
|
|
|
|
// MnpServiceBindingStop, second called by uninstalling the MNP protocol
|
|
|
|
// in this ChildHandle. Use destroyed to make sure the resource clean code
|
|
|
|
// will only excecute once.
|
|
|
|
//
|
|
|
|
if (Instance->Destroyed) {
|
|
|
|
return EFI_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
Instance->Destroyed = TRUE;
|
|
|
|
|
|
|
|
//
|
|
|
|
// Close the Simple Network protocol.
|
|
|
|
//
|
|
|
|
gBS->CloseProtocol (
|
2009-12-30 14:47:55 +01:00
|
|
|
MnpServiceData->ServiceHandle,
|
|
|
|
&gEfiManagedNetworkServiceBindingProtocolGuid,
|
|
|
|
MnpServiceData->MnpDeviceData->ImageHandle,
|
2007-07-24 10:06:37 +02:00
|
|
|
ChildHandle
|
|
|
|
);
|
|
|
|
|
|
|
|
//
|
|
|
|
// Uninstall the ManagedNetwork protocol.
|
|
|
|
//
|
|
|
|
Status = gBS->UninstallMultipleProtocolInterfaces (
|
|
|
|
ChildHandle,
|
|
|
|
&gEfiManagedNetworkProtocolGuid,
|
|
|
|
&Instance->ManagedNetwork,
|
|
|
|
NULL
|
|
|
|
);
|
|
|
|
if (EFI_ERROR (Status)) {
|
2008-02-14 10:40:22 +01:00
|
|
|
DEBUG (
|
|
|
|
(EFI_D_ERROR,
|
|
|
|
"MnpServiceBindingDestroyChild: Failed to uninstall the ManagedNetwork protocol, %r.\n",
|
2007-07-24 10:06:37 +02:00
|
|
|
Status)
|
|
|
|
);
|
|
|
|
|
|
|
|
Instance->Destroyed = FALSE;
|
|
|
|
return Status;
|
|
|
|
}
|
|
|
|
|
2008-02-14 10:40:22 +01:00
|
|
|
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
|
2007-07-24 10:06:37 +02:00
|
|
|
|
|
|
|
//
|
|
|
|
// Reset the configuration.
|
|
|
|
//
|
|
|
|
ManagedNetwork->Configure (ManagedNetwork, NULL);
|
|
|
|
|
|
|
|
//
|
|
|
|
// Try to flush the RcvdPacketQueue.
|
|
|
|
//
|
|
|
|
MnpFlushRcvdDataQueue (Instance);
|
|
|
|
|
|
|
|
//
|
|
|
|
// Clean the RxTokenMap.
|
|
|
|
//
|
|
|
|
NetMapClean (&Instance->RxTokenMap);
|
|
|
|
|
|
|
|
//
|
|
|
|
// Remove this instance from the ChildrenList.
|
|
|
|
//
|
2008-02-14 10:40:22 +01:00
|
|
|
RemoveEntryList (&Instance->InstEntry);
|
2007-07-24 10:06:37 +02:00
|
|
|
MnpServiceData->ChildrenNumber--;
|
|
|
|
|
2008-02-14 10:40:22 +01:00
|
|
|
gBS->RestoreTPL (OldTpl);
|
2007-07-24 10:06:37 +02:00
|
|
|
|
2009-11-13 07:13:59 +01:00
|
|
|
FreePool (Instance);
|
2007-07-24 10:06:37 +02:00
|
|
|
|
|
|
|
return Status;
|
|
|
|
}
|
|
|
|
|
2008-11-18 05:52:51 +01:00
|
|
|
/**
|
|
|
|
The entry point for Mnp driver which installs the driver binding and component
|
|
|
|
name protocol on its ImageHandle.
|
|
|
|
|
2009-02-03 08:56:54 +01:00
|
|
|
@param[in] ImageHandle The image handle of the driver.
|
|
|
|
@param[in] SystemTable The system table.
|
2008-11-18 05:52:51 +01:00
|
|
|
|
2009-12-30 14:47:55 +01:00
|
|
|
@retval EFI_SUCCES The driver binding and component name protocols are
|
2008-11-18 05:52:51 +01:00
|
|
|
successfully installed.
|
2009-02-03 08:56:54 +01:00
|
|
|
@retval Others Other errors as indicated.
|
2007-07-24 10:06:37 +02:00
|
|
|
|
2008-11-18 05:52:51 +01:00
|
|
|
**/
|
2007-07-24 10:06:37 +02:00
|
|
|
EFI_STATUS
|
|
|
|
EFIAPI
|
|
|
|
MnpDriverEntryPoint (
|
2009-12-30 14:47:55 +01:00
|
|
|
IN EFI_HANDLE ImageHandle,
|
|
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
2007-07-24 10:06:37 +02:00
|
|
|
)
|
|
|
|
{
|
2007-09-30 05:08:02 +02:00
|
|
|
return EfiLibInstallDriverBindingComponentName2 (
|
2007-09-28 08:02:01 +02:00
|
|
|
ImageHandle,
|
|
|
|
SystemTable,
|
|
|
|
&gMnpDriverBinding,
|
|
|
|
ImageHandle,
|
|
|
|
&gMnpComponentName,
|
2007-09-30 05:08:02 +02:00
|
|
|
&gMnpComponentName2
|
2007-09-28 08:02:01 +02:00
|
|
|
);
|
2007-07-24 10:06:37 +02:00
|
|
|
}
|