diff options
Diffstat (limited to 'NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c')
| -rw-r--r-- | NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c | 1339 |
1 files changed, 1339 insertions, 0 deletions
diff --git a/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c b/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c new file mode 100644 index 0000000000..f78525546a --- /dev/null +++ b/NetworkPkg/UefiPxeBcDxe/PxeBcDriver.c @@ -0,0 +1,1339 @@ +/** @file
+ Driver Binding functions implementationfor for UefiPxeBc Driver.
+
+ Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>
+
+ 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 "PxeBcImpl.h"
+
+
+EFI_DRIVER_BINDING_PROTOCOL gPxeBcDriverBinding = {
+ PxeBcDriverBindingSupported,
+ PxeBcDriverBindingStart,
+ PxeBcDriverBindingStop,
+ 0xa,
+ NULL,
+ NULL
+};
+
+
+/**
+ Get the Nic handle using any child handle in the IPv4 stack.
+
+ @param[in] ControllerHandle Pointer to child handle over IPv4.
+
+ @return NicHandle The pointer to the Nic handle.
+
+**/
+EFI_HANDLE
+PxeBcGetNicByIp4Children (
+ IN EFI_HANDLE ControllerHandle
+ )
+{
+ EFI_HANDLE NicHandle;
+
+ NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiArpProtocolGuid);
+ if (NicHandle == NULL) {
+ NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiIp4ProtocolGuid);
+ if (NicHandle == NULL) {
+ NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiUdp4ProtocolGuid);
+ if (NicHandle == NULL) {
+ NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp4ProtocolGuid);
+ if (NicHandle == NULL) {
+ NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiMtftp4ProtocolGuid);
+ if (NicHandle == NULL) {
+ return NULL;
+ }
+ }
+ }
+ }
+ }
+
+ return NicHandle;
+}
+
+
+/**
+ Get the Nic handle using any child handle in the IPv6 stack.
+
+ @param[in] ControllerHandle Pointer to child handle over IPv6.
+
+ @return NicHandle The pointer to the Nic handle.
+
+**/
+EFI_HANDLE
+PxeBcGetNicByIp6Children (
+ IN EFI_HANDLE ControllerHandle
+ )
+{
+ EFI_HANDLE NicHandle;
+
+ NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiIp6ProtocolGuid);
+ if (NicHandle == NULL) {
+ NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiUdp6ProtocolGuid);
+ if (NicHandle == NULL) {
+ NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp6ProtocolGuid);
+ if (NicHandle == NULL) {
+ NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiMtftp6ProtocolGuid);
+ if (NicHandle == NULL) {
+ return NULL;
+ }
+ }
+ }
+ }
+
+ return NicHandle;
+}
+
+
+/**
+ Destroy the opened instances based on IPv4.
+
+ @param[in] This Pointer to the EFI_DRIVER_BINDING_PROTOCOL.
+ @param[in] Private Pointer to PXEBC_PRIVATE_DATA.
+
+**/
+VOID
+PxeBcDestroyIp4Children (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN PXEBC_PRIVATE_DATA *Private
+ )
+{
+ ASSERT(Private != NULL);
+
+ if (Private->ArpChild != NULL) {
+ //
+ // Close Arp for PxeBc->Arp and destroy the instance.
+ //
+ gBS->CloseProtocol (
+ Private->ArpChild,
+ &gEfiArpProtocolGuid,
+ This->DriverBindingHandle,
+ Private->Controller
+ );
+
+ NetLibDestroyServiceChild (
+ Private->Controller,
+ This->DriverBindingHandle,
+ &gEfiArpServiceBindingProtocolGuid,
+ Private->ArpChild
+ );
+ }
+
+ if (Private->Ip4Child != NULL) {
+ //
+ // Close Ip4 for background ICMP error message and destroy the instance.
+ //
+ gBS->CloseProtocol (
+ Private->Ip4Child,
+ &gEfiIp4ProtocolGuid,
+ This->DriverBindingHandle,
+ Private->Controller
+ );
+
+ NetLibDestroyServiceChild (
+ Private->Controller,
+ This->DriverBindingHandle,
+ &gEfiIp4ServiceBindingProtocolGuid,
+ Private->Ip4Child
+ );
+ }
+
+ if (Private->Udp4WriteChild != NULL) {
+ //
+ // Close Udp4 for PxeBc->UdpWrite and destroy the instance.
+ //
+ gBS->CloseProtocol (
+ Private->Udp4WriteChild,
+ &gEfiUdp4ProtocolGuid,
+ This->DriverBindingHandle,
+ Private->Controller
+ );
+
+ NetLibDestroyServiceChild (
+ Private->Controller,
+ This->DriverBindingHandle,
+ &gEfiUdp4ServiceBindingProtocolGuid,
+ Private->Udp4WriteChild
+ );
+ }
+
+ if (Private->Udp4ReadChild != NULL) {
+ //
+ // Close Udp4 for PxeBc->UdpRead and destroy the instance.
+ //
+ gBS->CloseProtocol (
+ Private->Udp4ReadChild,
+ &gEfiUdp4ProtocolGuid,
+ This->DriverBindingHandle,
+ Private->Controller
+ );
+
+ NetLibDestroyServiceChild (
+ Private->Controller,
+ This->DriverBindingHandle,
+ &gEfiUdp4ServiceBindingProtocolGuid,
+ Private->Udp4ReadChild
+ );
+ }
+
+ if (Private->Mtftp4Child != NULL) {
+ //
+ // Close Mtftp4 for PxeBc->Mtftp4 and destroy the instance.
+ //
+ gBS->CloseProtocol (
+ Private->Mtftp4Child,
+ &gEfiMtftp4ProtocolGuid,
+ This->DriverBindingHandle,
+ Private->Controller
+ );
+
+ NetLibDestroyServiceChild (
+ Private->Controller,
+ This->DriverBindingHandle,
+ &gEfiMtftp4ServiceBindingProtocolGuid,
+ Private->Mtftp4Child
+ );
+ }
+
+ if (Private->Dhcp4Child != NULL) {
+ //
+ // Close Dhcp4 for PxeBc->Dhcp4 and destroy the instance.
+ //
+ gBS->CloseProtocol (
+ Private->Dhcp4Child,
+ &gEfiDhcp4ProtocolGuid,
+ This->DriverBindingHandle,
+ Private->Controller
+ );
+
+ NetLibDestroyServiceChild (
+ Private->Controller,
+ This->DriverBindingHandle,
+ &gEfiDhcp4ServiceBindingProtocolGuid,
+ Private->Dhcp4Child
+ );
+ }
+
+ if (Private->Ip4Nic != NULL) {
+ //
+ // Close PxeBc from the parent Nic handle and destroy the virtual handle.
+ //
+ gBS->CloseProtocol (
+ Private->Controller,
+ &gEfiPxeBaseCodeProtocolGuid,
+ This->DriverBindingHandle,
+ Private->Ip4Nic->Controller
+ );
+
+ gBS->UninstallMultipleProtocolInterfaces (
+ Private->Ip4Nic->Controller,
+ &gEfiDevicePathProtocolGuid,
+ Private->Ip4Nic->DevicePath,
+ &gEfiLoadFileProtocolGuid,
+ &Private->Ip4Nic->LoadFile,
+ NULL
+ );
+ FreePool (Private->Ip4Nic);
+ }
+
+ Private->ArpChild = NULL;
+ Private->Ip4Child = NULL;
+ Private->Udp4WriteChild = NULL;
+ Private->Udp4ReadChild = NULL;
+ Private->Mtftp4Child = NULL;
+ Private->Dhcp4Child = NULL;
+ Private->Ip4Nic = NULL;
+}
+
+
+/**
+ Destroy the opened instances based on IPv6.
+
+ @param[in] This Pointer to the EFI_DRIVER_BINDING_PROTOCOL.
+ @param[in] Private Pointer to PXEBC_PRIVATE_DATA.
+
+**/
+VOID
+PxeBcDestroyIp6Children (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN PXEBC_PRIVATE_DATA *Private
+ )
+{
+ ASSERT(Private != NULL);
+
+ if (Private->Ip6Child != NULL) {
+ //
+ // Close Ip6 for Ip6->Ip6Config and destroy the instance.
+ //
+ gBS->CloseProtocol (
+ Private->Ip6Child,
+ &gEfiIp6ProtocolGuid,
+ This->DriverBindingHandle,
+ Private->Controller
+ );
+
+ NetLibDestroyServiceChild (
+ Private->Controller,
+ This->DriverBindingHandle,
+ &gEfiIp6ServiceBindingProtocolGuid,
+ Private->Ip6Child
+ );
+ }
+
+ if (Private->Udp6WriteChild != NULL) {
+ //
+ // Close Udp6 for PxeBc->UdpWrite and destroy the instance.
+ //
+ gBS->CloseProtocol (
+ Private->Udp6WriteChild,
+ &gEfiUdp6ProtocolGuid,
+ This->DriverBindingHandle,
+ Private->Controller
+ );
+ NetLibDestroyServiceChild (
+ Private->Controller,
+ This->DriverBindingHandle,
+ &gEfiUdp6ServiceBindingProtocolGuid,
+ Private->Udp6WriteChild
+ );
+ }
+
+ if (Private->Udp6ReadChild != NULL) {
+ //
+ // Close Udp6 for PxeBc->UdpRead and destroy the instance.
+ //
+ gBS->CloseProtocol (
+ Private->Udp6ReadChild,
+ &gEfiUdp6ProtocolGuid,
+ This->DriverBindingHandle,
+ Private->Controller
+ );
+ NetLibDestroyServiceChild (
+ Private->Controller,
+ This->DriverBindingHandle,
+ &gEfiUdp6ServiceBindingProtocolGuid,
+ Private->Udp6ReadChild
+ );
+ }
+
+ if (Private->Mtftp6Child != NULL) {
+ //
+ // Close Mtftp6 for PxeBc->Mtftp and destroy the instance.
+ //
+ gBS->CloseProtocol (
+ Private->Mtftp6Child,
+ &gEfiMtftp6ProtocolGuid,
+ This->DriverBindingHandle,
+ Private->Controller
+ );
+
+ NetLibDestroyServiceChild (
+ Private->Controller,
+ This->DriverBindingHandle,
+ &gEfiMtftp6ServiceBindingProtocolGuid,
+ Private->Mtftp6Child
+ );
+ }
+
+ if (Private->Dhcp6Child != NULL) {
+ //
+ // Close Dhcp6 for PxeBc->Dhcp and destroy the instance.
+ //
+ gBS->CloseProtocol (
+ Private->Dhcp6Child,
+ &gEfiDhcp6ProtocolGuid,
+ This->DriverBindingHandle,
+ Private->Controller
+ );
+
+ NetLibDestroyServiceChild (
+ Private->Controller,
+ This->DriverBindingHandle,
+ &gEfiDhcp6ServiceBindingProtocolGuid,
+ Private->Dhcp6Child
+ );
+ }
+
+ if (Private->Ip6Nic != NULL) {
+ //
+ // Close PxeBc from the parent Nic handle and destroy the virtual handle.
+ //
+ gBS->CloseProtocol (
+ Private->Controller,
+ &gEfiPxeBaseCodeProtocolGuid,
+ This->DriverBindingHandle,
+ Private->Ip6Nic->Controller
+ );
+ gBS->UninstallMultipleProtocolInterfaces (
+ Private->Ip6Nic->Controller,
+ &gEfiDevicePathProtocolGuid,
+ Private->Ip6Nic->DevicePath,
+ &gEfiLoadFileProtocolGuid,
+ &Private->Ip6Nic->LoadFile,
+ NULL
+ );
+ FreePool (Private->Ip6Nic);
+ }
+
+ Private->Ip6Child = NULL;
+ Private->Udp6WriteChild = NULL;
+ Private->Udp6ReadChild = NULL;
+ Private->Mtftp6Child = NULL;
+ Private->Dhcp6Child = NULL;
+ Private->Ip6Nic = NULL;
+ Private->Mode.Ipv6Available = FALSE;
+}
+
+
+/**
+ Create the opened instances based on IPv4.
+
+ @param[in] This Pointer to EFI_DRIVER_BINDING_PROTOCOL.
+ @param[in] ControllerHandle Handle of the child to destroy.
+ @param[in] Private Handle Pointer to PXEBC_PRIVATE_DATA.
+
+ @retval EFI_SUCCESS The instances based on IPv4 were all created successfully.
+ @retval Others An unexpected error occurred.
+
+**/
+EFI_STATUS
+PxeBcCreateIp4Children (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN PXEBC_PRIVATE_DATA *Private
+ )
+{
+ EFI_STATUS Status;
+ IPv4_DEVICE_PATH Ip4Node;
+ EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
+ EFI_PXE_BASE_CODE_MODE *Mode;
+ EFI_UDP4_CONFIG_DATA *Udp4CfgData;
+ EFI_IP4_CONFIG_DATA *Ip4CfgData;
+ EFI_IP4_MODE_DATA Ip4ModeData;
+
+ if (Private->Ip4Nic != NULL) {
+ //
+ // Already created before.
+ //
+ return EFI_SUCCESS;
+ }
+
+ //
+ // Create Dhcp4 child and open Dhcp4 protocol for PxeBc->Dhcp.
+ //
+ Status = NetLibCreateServiceChild (
+ ControllerHandle,
+ This->DriverBindingHandle,
+ &gEfiDhcp4ServiceBindingProtocolGuid,
+ &Private->Dhcp4Child
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ Status = gBS->OpenProtocol (
+ Private->Dhcp4Child,
+ &gEfiDhcp4ProtocolGuid,
+ (VOID **) &Private->Dhcp4,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Create Mtftp4 child and open Mtftp4 protocol for PxeBc->Mtftp.
+ //
+ Status = NetLibCreateServiceChild (
+ ControllerHandle,
+ This->DriverBindingHandle,
+ &gEfiMtftp4ServiceBindingProtocolGuid,
+ &Private->Mtftp4Child
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ Status = gBS->OpenProtocol (
+ Private->Mtftp4Child,
+ &gEfiMtftp4ProtocolGuid,
+ (VOID **) &Private->Mtftp4,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Create Udp4 child and open Udp4 protocol for PxeBc->UdpRead.
+ //
+ Status = NetLibCreateServiceChild (
+ ControllerHandle,
+ This->DriverBindingHandle,
+ &gEfiUdp4ServiceBindingProtocolGuid,
+ &Private->Udp4ReadChild
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ Status = gBS->OpenProtocol (
+ Private->Udp4ReadChild,
+ &gEfiUdp4ProtocolGuid,
+ (VOID **) &Private->Udp4Read,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Create Udp4 child and open Udp4 protocol for PxeBc->UdpWrite.
+ //
+ Status = NetLibCreateServiceChild (
+ ControllerHandle,
+ This->DriverBindingHandle,
+ &gEfiUdp4ServiceBindingProtocolGuid,
+ &Private->Udp4WriteChild
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ Status = gBS->OpenProtocol (
+ Private->Udp4WriteChild,
+ &gEfiUdp4ProtocolGuid,
+ (VOID **) &Private->Udp4Write,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Create Arp child and open Arp protocol for PxeBc->Arp.
+ //
+ Status = NetLibCreateServiceChild (
+ ControllerHandle,
+ This->DriverBindingHandle,
+ &gEfiArpServiceBindingProtocolGuid,
+ &Private->ArpChild
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ Status = gBS->OpenProtocol (
+ Private->ArpChild,
+ &gEfiArpProtocolGuid,
+ (VOID **) &Private->Arp,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Create Ip4 child and open Ip4 protocol for background ICMP packets.
+ //
+ Status = NetLibCreateServiceChild (
+ ControllerHandle,
+ This->DriverBindingHandle,
+ &gEfiIp4ServiceBindingProtocolGuid,
+ &Private->Ip4Child
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ Status = gBS->OpenProtocol (
+ Private->Ip4Child,
+ &gEfiIp4ProtocolGuid,
+ (VOID **) &Private->Ip4,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Get max packet size from Ip4 to calculate block size for Tftp later.
+ //
+ Status = Private->Ip4->GetModeData (Private->Ip4, &Ip4ModeData, NULL, NULL);
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ Private->Ip4MaxPacketSize = Ip4ModeData.MaxPacketSize;
+
+ Private->Ip4Nic = AllocateZeroPool (sizeof (PXEBC_VIRTUAL_NIC));
+ if (Private->Ip4Nic == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ Private->Ip4Nic->Private = Private;
+ Private->Ip4Nic->Signature = PXEBC_VIRTUAL_NIC_SIGNATURE;
+
+ //
+ // Create a device path node for Ipv4 virtual nic, and append it.
+ //
+ ZeroMem (&Ip4Node, sizeof (IPv4_DEVICE_PATH));
+ Ip4Node.Header.Type = MESSAGING_DEVICE_PATH;
+ Ip4Node.Header.SubType = MSG_IPv4_DP;
+ Ip4Node.StaticIpAddress = FALSE;
+
+ SetDevicePathNodeLength (&Ip4Node.Header, sizeof (Ip4Node));
+
+ Private->Ip4Nic->DevicePath = AppendDevicePathNode (Private->DevicePath, &Ip4Node.Header);
+
+ if (Private->Ip4Nic->DevicePath == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ON_ERROR;
+ }
+
+ CopyMem (
+ &Private->Ip4Nic->LoadFile,
+ &gLoadFileProtocolTemplate,
+ sizeof (EFI_LOAD_FILE_PROTOCOL)
+ );
+
+ //
+ // Create a new handle for IPv4 virtual nic,
+ // and install PxeBaseCode, LoadFile and DevicePath protocols.
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &Private->Ip4Nic->Controller,
+ &gEfiDevicePathProtocolGuid,
+ Private->Ip4Nic->DevicePath,
+ &gEfiLoadFileProtocolGuid,
+ &Private->Ip4Nic->LoadFile,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Open PxeBaseCode protocol by child to setup a parent-child relationship between
+ // real NIC handle and the virtual IPv4 NIC handle.
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiPxeBaseCodeProtocolGuid,
+ (VOID **) &PxeBc,
+ This->DriverBindingHandle,
+ Private->Ip4Nic->Controller,
+ EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Set default configure data for Udp4Read and Ip4 instance.
+ //
+ Mode = PxeBc->Mode;
+ Udp4CfgData = &Private->Udp4CfgData;
+ Ip4CfgData = &Private->Ip4CfgData;
+
+ Udp4CfgData->AcceptBroadcast = TRUE;
+ Udp4CfgData->AcceptAnyPort = TRUE;
+ Udp4CfgData->AllowDuplicatePort = TRUE;
+ Udp4CfgData->TypeOfService = Mode->ToS;
+ Udp4CfgData->TimeToLive = Mode->TTL;
+ Udp4CfgData->ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;
+ Udp4CfgData->TransmitTimeout = PXEBC_DEFAULT_LIFETIME;
+
+ Ip4CfgData->AcceptIcmpErrors = TRUE;
+ Ip4CfgData->DefaultProtocol = EFI_IP_PROTO_ICMP;
+ Ip4CfgData->TypeOfService = Mode->ToS;
+ Ip4CfgData->TimeToLive = Mode->TTL;
+ Ip4CfgData->ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;
+ Ip4CfgData->TransmitTimeout = PXEBC_DEFAULT_LIFETIME;
+
+ return EFI_SUCCESS;
+
+ON_ERROR:
+ PxeBcDestroyIp4Children (This, Private);
+ return Status;
+}
+
+
+/**
+ Create the opened instances based on IPv6.
+
+ @param[in] This Pointer to EFI_DRIVER_BINDING_PROTOCOL.
+ @param[in] ControllerHandle Handle of the child to destroy.
+ @param[in] Private Handle Pointer to PXEBC_PRIVATE_DATA.
+
+ @retval EFI_SUCCESS The instances based on IPv6 were all created successfully.
+ @retval Others An unexpected error occurred.
+
+**/
+EFI_STATUS
+PxeBcCreateIp6Children (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN PXEBC_PRIVATE_DATA *Private
+ )
+{
+ EFI_STATUS Status;
+ IPv6_DEVICE_PATH Ip6Node;
+ EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
+ EFI_UDP6_CONFIG_DATA *Udp6CfgData;
+ EFI_IP6_CONFIG_DATA *Ip6CfgData;
+ EFI_IP6_MODE_DATA Ip6ModeData;
+
+ if (Private->Ip6Nic != NULL) {
+ //
+ // Already created before.
+ //
+ return EFI_SUCCESS;
+ }
+
+ Private->Ip6Nic = AllocateZeroPool (sizeof (PXEBC_VIRTUAL_NIC));
+
+ if (Private->Ip6Nic == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ Private->Ip6Nic->Private = Private;
+ Private->Ip6Nic->Signature = PXEBC_VIRTUAL_NIC_SIGNATURE;
+
+ //
+ // Create Dhcp6 child and open Dhcp6 protocol for PxeBc->Dhcp.
+ //
+ Status = NetLibCreateServiceChild (
+ ControllerHandle,
+ This->DriverBindingHandle,
+ &gEfiDhcp6ServiceBindingProtocolGuid,
+ &Private->Dhcp6Child
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ Status = gBS->OpenProtocol (
+ Private->Dhcp6Child,
+ &gEfiDhcp6ProtocolGuid,
+ (VOID **) &Private->Dhcp6,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Create Mtftp6 child and open Mtftp6 protocol for PxeBc->Mtftp.
+ //
+ Status = NetLibCreateServiceChild (
+ ControllerHandle,
+ This->DriverBindingHandle,
+ &gEfiMtftp6ServiceBindingProtocolGuid,
+ &Private->Mtftp6Child
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ Status = gBS->OpenProtocol (
+ Private->Mtftp6Child,
+ &gEfiMtftp6ProtocolGuid,
+ (VOID **) &Private->Mtftp6,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Create Udp6 child and open Udp6 protocol for PxeBc->UdpRead.
+ //
+ Status = NetLibCreateServiceChild (
+ ControllerHandle,
+ This->DriverBindingHandle,
+ &gEfiUdp6ServiceBindingProtocolGuid,
+ &Private->Udp6ReadChild
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ Status = gBS->OpenProtocol (
+ Private->Udp6ReadChild,
+ &gEfiUdp6ProtocolGuid,
+ (VOID **) &Private->Udp6Read,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Create Udp6 child and open Udp6 protocol for PxeBc->UdpWrite.
+ //
+ Status = NetLibCreateServiceChild (
+ ControllerHandle,
+ This->DriverBindingHandle,
+ &gEfiUdp6ServiceBindingProtocolGuid,
+ &Private->Udp6WriteChild
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ Status = gBS->OpenProtocol (
+ Private->Udp6WriteChild,
+ &gEfiUdp6ProtocolGuid,
+ (VOID **) &Private->Udp6Write,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Create Ip6 child and open Ip6 protocol for background ICMP6 packets.
+ //
+ Status = NetLibCreateServiceChild (
+ ControllerHandle,
+ This->DriverBindingHandle,
+ &gEfiIp6ServiceBindingProtocolGuid,
+ &Private->Ip6Child
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ Status = gBS->OpenProtocol (
+ Private->Ip6Child,
+ &gEfiIp6ProtocolGuid,
+ (VOID **) &Private->Ip6,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Get max packet size from Ip6 to calculate block size for Tftp later.
+ //
+ Status = Private->Ip6->GetModeData (Private->Ip6, &Ip6ModeData, NULL, NULL);
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ Private->Ip6MaxPacketSize = Ip6ModeData.MaxPacketSize;
+
+ //
+ // Locate Ip6->Ip6Config and store it for set IPv6 address.
+ //
+ Status = gBS->HandleProtocol (
+ ControllerHandle,
+ &gEfiIp6ConfigProtocolGuid,
+ (VOID **) &Private->Ip6Cfg
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Create a device path node for Ipv6 virtual nic, and append it.
+ //
+ ZeroMem (&Ip6Node, sizeof (IPv6_DEVICE_PATH));
+ Ip6Node.Header.Type = MESSAGING_DEVICE_PATH;
+ Ip6Node.Header.SubType = MSG_IPv6_DP;
+ Ip6Node.StaticIpAddress = FALSE;
+
+ SetDevicePathNodeLength (&Ip6Node.Header, sizeof (Ip6Node));
+
+ Private->Ip6Nic->DevicePath = AppendDevicePathNode (Private->DevicePath, &Ip6Node.Header);
+
+ if (Private->Ip6Nic->DevicePath == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ON_ERROR;
+ }
+
+ CopyMem (
+ &Private->Ip6Nic->LoadFile,
+ &gLoadFileProtocolTemplate,
+ sizeof (EFI_LOAD_FILE_PROTOCOL)
+ );
+
+ //
+ // Create a new handle for IPv6 virtual nic,
+ // and install PxeBaseCode, LoadFile and DevicePath protocols.
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &Private->Ip6Nic->Controller,
+ &gEfiDevicePathProtocolGuid,
+ Private->Ip6Nic->DevicePath,
+ &gEfiLoadFileProtocolGuid,
+ &Private->Ip6Nic->LoadFile,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Open PxeBaseCode protocol by child to setup a parent-child relationship between
+ // real NIC handle and the virtual IPv6 NIC handle.
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiPxeBaseCodeProtocolGuid,
+ (VOID **) &PxeBc,
+ This->DriverBindingHandle,
+ Private->Ip6Nic->Controller,
+ EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Set IPv6 avaiable flag and set default configure data for
+ // Udp6Read and Ip6 instance.
+ //
+ Private->Mode.Ipv6Available = TRUE;
+ Udp6CfgData = &Private->Udp6CfgData;
+ Ip6CfgData = &Private->Ip6CfgData;
+
+ Udp6CfgData->AcceptAnyPort = TRUE;
+ Udp6CfgData->AllowDuplicatePort = TRUE;
+ Udp6CfgData->HopLimit = PXEBC_DEFAULT_HOPLIMIT;
+ Udp6CfgData->ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;
+ Udp6CfgData->TransmitTimeout = PXEBC_DEFAULT_LIFETIME;
+
+ Ip6CfgData->AcceptIcmpErrors = TRUE;
+ Ip6CfgData->DefaultProtocol = IP6_ICMP;
+ Ip6CfgData->HopLimit = PXEBC_DEFAULT_HOPLIMIT;
+ Ip6CfgData->ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;
+ Ip6CfgData->TransmitTimeout = PXEBC_DEFAULT_LIFETIME;
+
+ return EFI_SUCCESS;
+
+ON_ERROR:
+ PxeBcDestroyIp6Children (This, Private);
+ return Status;
+}
+
+
+/**
+ The entry point for UefiPxeBc driver that installs the driver
+ binding and component name protocol on its image.
+
+ @param[in] ImageHandle The Image handle of the driver.
+ @param[in] SystemTable The system table.
+
+ @return EFI_SUCCESS
+ @return Others
+
+**/
+EFI_STATUS
+EFIAPI
+PxeBcDriverEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ return EfiLibInstallDriverBindingComponentName2 (
+ ImageHandle,
+ SystemTable,
+ &gPxeBcDriverBinding,
+ ImageHandle,
+ &gPxeBcComponentName,
+ &gPxeBcComponentName2
+ );
+}
+
+
+/**
+ Test to see if this driver supports ControllerHandle. This service
+ is called by the EFI boot service ConnectController(). In
+ order to make drivers as small as possible, there are a few calling
+ restrictions for this service. ConnectController() must
+ follow these calling restrictions. If any other agent wishes to call
+ Supported() it must also follow these calling restrictions.
+
+ @param[in] This The pointer to the driver binding protocol.
+ @param[in] ControllerHandle The handle of device to be tested.
+ @param[in] RemainingDevicePath Optional parameter used to pick a specific child
+ device to be started.
+
+ @retval EFI_SUCCESS This driver supports this device.
+ @retval EFI_UNSUPPORTED This driver does not support this device.
+
+**/
+EFI_STATUS
+EFIAPI
+PxeBcDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
+ )
+{
+ EFI_STATUS Ip4Status;
+ EFI_STATUS Ip6Status;
+
+ //
+ // Try to open the Mtftp4 and Dhcp4 protocol to test whether IPv4 stack is ready.
+ //
+ Ip4Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiDhcp4ServiceBindingProtocolGuid,
+ NULL,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL
+ );
+ if (!EFI_ERROR (Ip4Status)) {
+ Ip4Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiMtftp4ServiceBindingProtocolGuid,
+ NULL,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL
+ );
+ }
+
+ //
+ // Try to open the Mtftp6 and Dhcp6 protocol to test whether IPv4 stack is ready.
+ //
+ Ip6Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiDhcp6ServiceBindingProtocolGuid,
+ NULL,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL
+ );
+ if (!EFI_ERROR (Ip6Status)) {
+ Ip6Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiMtftp6ServiceBindingProtocolGuid,
+ NULL,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_TEST_PROTOCOL
+ );
+ }
+
+ //
+ // It's unsupported case if both stack are not ready.
+ //
+ if (EFI_ERROR (Ip4Status) && EFI_ERROR (Ip6Status)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+/**
+ Start this driver on ControllerHandle. This service is called by the
+ EFI boot service ConnectController(). In order to make
+ drivers as small as possible, there are a few calling restrictions for
+ this service. ConnectController() must follow these
+ calling restrictions. If any other agent wishes to call Start() it
+ must also follow these calling restrictions.
+
+ @param[in] This The pointer to the driver binding protocol.
+ @param[in] ControllerHandle The handle of device to be started.
+ @param[in] RemainingDevicePath Optional parameter used to pick a specific child
+ device to be started.
+
+ @retval EFI_SUCCESS This driver is installed to ControllerHandle.
+ @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle.
+ @retval other This driver does not support this device.
+
+**/
+EFI_STATUS
+EFIAPI
+PxeBcDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
+ )
+{
+ PXEBC_PRIVATE_DATA *Private;
+ EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
+ EFI_STATUS Status;
+ EFI_STATUS Ip4Status;
+ EFI_STATUS Ip6Status;
+
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiPxeBaseCodeProtocolGuid,
+ (VOID **) &PxeBc,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (!EFI_ERROR (Status)) {
+ //
+ // Skip the initialization if the driver has been started already.
+ //
+ Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (PxeBc);
+ } else {
+ //
+ // If the driver has not been started yet, it should do initialization.
+ //
+ Private = AllocateZeroPool (sizeof (PXEBC_PRIVATE_DATA));
+ if (Private == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ CopyMem (
+ &Private->PxeBc,
+ &gPxeBcProtocolTemplate,
+ sizeof (EFI_PXE_BASE_CODE_PROTOCOL)
+ );
+
+ Private->Signature = PXEBC_PRIVATE_DATA_SIGNATURE;
+ Private->Controller = ControllerHandle;
+ Private->Image = This->ImageHandle;
+ Private->PxeBc.Mode = &Private->Mode;
+ Private->Mode.Ipv6Supported = TRUE;
+ Private->Mode.AutoArp = TRUE;
+ Private->Mode.TTL = DEFAULT_TTL;
+ Private->Mode.ToS = DEFAULT_ToS;
+
+ //
+ // Open device path to prepare for appending virtual NIC node.
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &Private->DevicePath,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+
+ //
+ // Get the NII interface if it exists, it's not required.
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiNetworkInterfaceIdentifierProtocolGuid_31,
+ (VOID **) &Private->Nii,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ Private->Nii = NULL;
+ }
+
+ //
+ // Install PxeBaseCode protocol onto the real NIC handler.
+ //
+ Status = gBS->InstallProtocolInterface (
+ &ControllerHandle,
+ &gEfiPxeBaseCodeProtocolGuid,
+ EFI_NATIVE_INTERFACE,
+ &Private->PxeBc
+ );
+ if (EFI_ERROR (Status)) {
+ goto ON_ERROR;
+ }
+ }
+
+ //
+ // Try to create virtual NIC handle for IPv4.
+ //
+ Ip4Status = PxeBcCreateIp4Children (This, ControllerHandle, Private);
+
+ //
+ // Try to create virtual NIC handle for IPv6.
+ //
+ Ip6Status = PxeBcCreateIp6Children (This, ControllerHandle, Private);
+
+ if (EFI_ERROR (Ip4Status) && EFI_ERROR (Ip6Status)) {
+ //
+ // Failed to start PXE driver if IPv4 and IPv6 stack are both not available.
+ //
+ Status = EFI_DEVICE_ERROR;
+ goto ON_ERROR;
+ }
+
+ return EFI_SUCCESS;
+
+ON_ERROR:
+ gBS->UninstallProtocolInterface (
+ ControllerHandle,
+ &gEfiPxeBaseCodeProtocolGuid,
+ &Private->PxeBc
+ );
+ PxeBcDestroyIp4Children (This, Private);
+ PxeBcDestroyIp6Children (This, Private);
+ FreePool (Private);
+
+ return Status;
+}
+
+
+/**
+ Stop this driver on ControllerHandle. This service is called by the
+ EFI boot service DisconnectController(). In order to
+ make drivers as small as possible, there are a few calling
+ restrictions for this service. DisconnectController()
+ must follow these calling restrictions. If any other agent wishes
+ to call Stop() it must also follow these calling restrictions.
+
+ @param[in] This Protocol instance pointer.
+ @param[in] ControllerHandle Handle of device to stop driver on.
+ @param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
+ children is zero stop the entire bus driver.
+ @param[in] ChildHandleBuffer List of Child Handles to Stop.
+
+ @retval EFI_SUCCESS This driver was removed ControllerHandle.
+ @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
+ @retval Others This driver was not removed from this device
+
+**/
+EFI_STATUS
+EFIAPI
+PxeBcDriverBindingStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ )
+{
+ PXEBC_PRIVATE_DATA *Private;
+ PXEBC_VIRTUAL_NIC *VirtualNic;
+ EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
+ EFI_LOAD_FILE_PROTOCOL *LoadFile;
+ EFI_STATUS Status;
+ EFI_HANDLE NicHandle;
+ BOOLEAN IsIpv6;
+
+ Private = NULL;
+ NicHandle = NULL;
+ VirtualNic = NULL;
+ LoadFile = NULL;
+ PxeBc = NULL;
+ IsIpv6 = FALSE;
+
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiLoadFileProtocolGuid,
+ (VOID **) &LoadFile,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // Get the Nic handle by any pass-over service child handle.
+ //
+ NicHandle = PxeBcGetNicByIp4Children (ControllerHandle);
+ if (NicHandle == NULL) {
+ NicHandle = PxeBcGetNicByIp6Children (ControllerHandle);
+ if (NicHandle == NULL) {
+ return EFI_DEVICE_ERROR;
+ } else {
+ IsIpv6 = TRUE;
+ }
+ }
+
+ //
+ // Try to retrieve the private data by PxeBc protocol.
+ //
+ Status = gBS->OpenProtocol (
+ NicHandle,
+ &gEfiPxeBaseCodeProtocolGuid,
+ (VOID **) &PxeBc,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (PxeBc);
+
+ } else {
+ //
+ // It's a virtual handle with LoadFileProtocol.
+ //
+ Status = gBS->OpenProtocol (
+ ControllerHandle,
+ &gEfiLoadFileProtocolGuid,
+ (VOID **) &LoadFile,
+ This->DriverBindingHandle,
+ ControllerHandle,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ VirtualNic = PXEBC_VIRTUAL_NIC_FROM_LOADFILE (LoadFile);
+ Private = VirtualNic->Private;
+ NicHandle = Private->Controller;
+
+ if (Private->Ip6Nic == VirtualNic) {
+ IsIpv6 = TRUE;
+ }
+ }
+
+ if (Private->Ip4Nic != NULL && !IsIpv6) {
+ PxeBcDestroyIp4Children (This, Private);
+ }
+
+ if (Private->Ip6Nic != NULL && IsIpv6) {
+ PxeBcDestroyIp6Children (This, Private);
+ }
+
+ if (Private->Ip4Nic == NULL && Private->Ip6Nic == NULL) {
+ gBS->UninstallProtocolInterface (
+ NicHandle,
+ &gEfiPxeBaseCodeProtocolGuid,
+ &Private->PxeBc
+ );
+ FreePool (Private);
+ }
+
+ return EFI_SUCCESS;
+}
|