diff options
Diffstat (limited to 'NetworkPkg/Dhcp4Dxe/Dhcp4Driver.c')
| -rw-r--r-- | NetworkPkg/Dhcp4Dxe/Dhcp4Driver.c | 175 |
1 files changed, 83 insertions, 92 deletions
diff --git a/NetworkPkg/Dhcp4Dxe/Dhcp4Driver.c b/NetworkPkg/Dhcp4Dxe/Dhcp4Driver.c index 970141a..8c37e93 100644 --- a/NetworkPkg/Dhcp4Dxe/Dhcp4Driver.c +++ b/NetworkPkg/Dhcp4Dxe/Dhcp4Driver.c @@ -8,7 +8,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent #include "Dhcp4Impl.h"
#include "Dhcp4Driver.h"
-EFI_DRIVER_BINDING_PROTOCOL gDhcp4DriverBinding = {
+EFI_DRIVER_BINDING_PROTOCOL gDhcp4DriverBinding = {
Dhcp4DriverBindingSupported,
Dhcp4DriverBindingStart,
Dhcp4DriverBindingStop,
@@ -17,7 +17,7 @@ EFI_DRIVER_BINDING_PROTOCOL gDhcp4DriverBinding = { NULL
};
-EFI_SERVICE_BINDING_PROTOCOL mDhcp4ServiceBindingTemplate = {
+EFI_SERVICE_BINDING_PROTOCOL mDhcp4ServiceBindingTemplate = {
Dhcp4ServiceBindingCreateChild,
Dhcp4ServiceBindingDestroyChild
};
@@ -39,8 +39,8 @@ EFI_SERVICE_BINDING_PROTOCOL mDhcp4ServiceBindingTemplate = { EFI_STATUS
EFIAPI
Dhcp4DriverEntryPoint (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
)
{
return EfiLibInstallDriverBindingComponentName2 (
@@ -53,7 +53,6 @@ Dhcp4DriverEntryPoint ( );
}
-
/**
Test to see if this driver supports ControllerHandle. This service
is called by the EFI boot service ConnectController(). In
@@ -94,8 +93,6 @@ Dhcp4DriverBindingSupported ( return Status;
}
-
-
/**
Configure the default UDP child to receive all the DHCP traffics
on this network interface.
@@ -110,35 +107,33 @@ Dhcp4DriverBindingSupported ( EFI_STATUS
EFIAPI
DhcpConfigUdpIo (
- IN UDP_IO *UdpIo,
- IN VOID *Context
+ IN UDP_IO *UdpIo,
+ IN VOID *Context
)
{
- EFI_UDP4_CONFIG_DATA UdpConfigData;
-
- UdpConfigData.AcceptBroadcast = TRUE;
- UdpConfigData.AcceptPromiscuous = FALSE;
- UdpConfigData.AcceptAnyPort = FALSE;
- UdpConfigData.AllowDuplicatePort = TRUE;
- UdpConfigData.TypeOfService = 0;
- UdpConfigData.TimeToLive = 64;
- UdpConfigData.DoNotFragment = FALSE;
- UdpConfigData.ReceiveTimeout = 0;
- UdpConfigData.TransmitTimeout = 0;
-
- UdpConfigData.UseDefaultAddress = FALSE;
- UdpConfigData.StationPort = DHCP_CLIENT_PORT;
- UdpConfigData.RemotePort = DHCP_SERVER_PORT;
+ EFI_UDP4_CONFIG_DATA UdpConfigData;
+
+ UdpConfigData.AcceptBroadcast = TRUE;
+ UdpConfigData.AcceptPromiscuous = FALSE;
+ UdpConfigData.AcceptAnyPort = FALSE;
+ UdpConfigData.AllowDuplicatePort = TRUE;
+ UdpConfigData.TypeOfService = 0;
+ UdpConfigData.TimeToLive = 64;
+ UdpConfigData.DoNotFragment = FALSE;
+ UdpConfigData.ReceiveTimeout = 0;
+ UdpConfigData.TransmitTimeout = 0;
+
+ UdpConfigData.UseDefaultAddress = FALSE;
+ UdpConfigData.StationPort = DHCP_CLIENT_PORT;
+ UdpConfigData.RemotePort = DHCP_SERVER_PORT;
ZeroMem (&UdpConfigData.StationAddress, sizeof (EFI_IPv4_ADDRESS));
ZeroMem (&UdpConfigData.SubnetMask, sizeof (EFI_IPv4_ADDRESS));
ZeroMem (&UdpConfigData.RemoteAddress, sizeof (EFI_IPv4_ADDRESS));
- return UdpIo->Protocol.Udp4->Configure (UdpIo->Protocol.Udp4, &UdpConfigData);;
+ return UdpIo->Protocol.Udp4->Configure (UdpIo->Protocol.Udp4, &UdpConfigData);
}
-
-
/**
Destroy the DHCP service. The Dhcp4 service may be partly initialized,
or partly destroyed. If a resource is destroyed, it is marked as so in
@@ -151,7 +146,7 @@ DhcpConfigUdpIo ( **/
EFI_STATUS
Dhcp4CloseService (
- IN DHCP_SERVICE *DhcpSb
+ IN DHCP_SERVICE *DhcpSb
)
{
DhcpCleanLease (DhcpSb);
@@ -171,8 +166,6 @@ Dhcp4CloseService ( return EFI_SUCCESS;
}
-
-
/**
Create a new DHCP service binding instance for the controller.
@@ -189,28 +182,28 @@ Dhcp4CloseService ( **/
EFI_STATUS
Dhcp4CreateService (
- IN EFI_HANDLE Controller,
- IN EFI_HANDLE ImageHandle,
- OUT DHCP_SERVICE **Service
+ IN EFI_HANDLE Controller,
+ IN EFI_HANDLE ImageHandle,
+ OUT DHCP_SERVICE **Service
)
{
- DHCP_SERVICE *DhcpSb;
- EFI_STATUS Status;
+ DHCP_SERVICE *DhcpSb;
+ EFI_STATUS Status;
- *Service = NULL;
- DhcpSb = AllocateZeroPool (sizeof (DHCP_SERVICE));
+ *Service = NULL;
+ DhcpSb = AllocateZeroPool (sizeof (DHCP_SERVICE));
if (DhcpSb == NULL) {
return EFI_OUT_OF_RESOURCES;
}
- DhcpSb->Signature = DHCP_SERVICE_SIGNATURE;
- DhcpSb->ServiceState = DHCP_UNCONFIGED;
- DhcpSb->Controller = Controller;
- DhcpSb->Image = ImageHandle;
+ DhcpSb->Signature = DHCP_SERVICE_SIGNATURE;
+ DhcpSb->ServiceState = DHCP_UNCONFIGED;
+ DhcpSb->Controller = Controller;
+ DhcpSb->Image = ImageHandle;
InitializeListHead (&DhcpSb->Children);
- DhcpSb->DhcpState = Dhcp4Stopped;
- DhcpSb->Xid = NET_RANDOM (NetRandomInitSeed ());
+ DhcpSb->DhcpState = Dhcp4Stopped;
+ DhcpSb->Xid = NET_RANDOM (NetRandomInitSeed ());
CopyMem (
&DhcpSb->ServiceBinding,
&mDhcp4ServiceBindingTemplate,
@@ -244,11 +237,11 @@ Dhcp4CreateService ( goto ON_ERROR;
}
- DhcpSb->HwLen = (UINT8) DhcpSb->UdpIo->SnpMode.HwAddressSize;
+ DhcpSb->HwLen = (UINT8)DhcpSb->UdpIo->SnpMode.HwAddressSize;
DhcpSb->HwType = DhcpSb->UdpIo->SnpMode.IfType;
CopyMem (&DhcpSb->Mac, &DhcpSb->UdpIo->SnpMode.CurrentAddress, sizeof (DhcpSb->Mac));
- *Service = DhcpSb;
+ *Service = DhcpSb;
return EFI_SUCCESS;
ON_ERROR:
@@ -258,7 +251,6 @@ ON_ERROR: return Status;
}
-
/**
Start this driver on ControllerHandle. This service is called by the
EFI boot service ConnectController(). In order to make
@@ -285,8 +277,8 @@ Dhcp4DriverBindingStart ( IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
)
{
- DHCP_SERVICE *DhcpSb;
- EFI_STATUS Status;
+ DHCP_SERVICE *DhcpSb;
+ EFI_STATUS Status;
//
// First: test for the DHCP4 Protocol
@@ -309,6 +301,7 @@ Dhcp4DriverBindingStart ( if (EFI_ERROR (Status)) {
return Status;
}
+
ASSERT (DhcpSb != NULL);
//
@@ -319,6 +312,7 @@ Dhcp4DriverBindingStart ( if (EFI_ERROR (Status)) {
goto ON_ERROR;
}
+
Status = gBS->SetTimer (DhcpSb->Timer, TimerPeriodic, TICKS_PER_SECOND);
if (EFI_ERROR (Status)) {
@@ -360,24 +354,23 @@ ON_ERROR: EFI_STATUS
EFIAPI
Dhcp4DestroyChildEntry (
- IN LIST_ENTRY *Entry,
- IN VOID *Context
+ IN LIST_ENTRY *Entry,
+ IN VOID *Context
)
{
- DHCP_PROTOCOL *Instance;
- EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
+ DHCP_PROTOCOL *Instance;
+ EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
- if (Entry == NULL || Context == NULL) {
+ if ((Entry == NULL) || (Context == NULL)) {
return EFI_INVALID_PARAMETER;
}
- Instance = NET_LIST_USER_STRUCT_S (Entry, DHCP_PROTOCOL, Link, DHCP_PROTOCOL_SIGNATURE);
- ServiceBinding = (EFI_SERVICE_BINDING_PROTOCOL *) Context;
+ Instance = NET_LIST_USER_STRUCT_S (Entry, DHCP_PROTOCOL, Link, DHCP_PROTOCOL_SIGNATURE);
+ ServiceBinding = (EFI_SERVICE_BINDING_PROTOCOL *)Context;
return ServiceBinding->DestroyChild (ServiceBinding, Instance->Handle);
}
-
/**
Stop this driver on ControllerHandle. This service is called by the
EFI boot service DisconnectController(). In order to
@@ -422,10 +415,10 @@ Dhcp4DriverBindingStop ( return EFI_SUCCESS;
}
- Status = gBS->OpenProtocol (
+ Status = gBS->OpenProtocol (
NicHandle,
&gEfiDhcp4ServiceBindingProtocolGuid,
- (VOID **) &ServiceBinding,
+ (VOID **)&ServiceBinding,
This->DriverBindingHandle,
NicHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
@@ -440,23 +433,23 @@ Dhcp4DriverBindingStop ( //
// Destroy all the children instances before destroy the service.
//
- List = &DhcpSb->Children;
+ List = &DhcpSb->Children;
Status = NetDestroyLinkList (
List,
Dhcp4DestroyChildEntry,
ServiceBinding,
&ListLength
);
- if (EFI_ERROR (Status) || ListLength != 0) {
+ if (EFI_ERROR (Status) || (ListLength != 0)) {
Status = EFI_DEVICE_ERROR;
}
}
- if (NumberOfChildren == 0 && !IsListEmpty (&DhcpSb->Children)) {
+ if ((NumberOfChildren == 0) && !IsListEmpty (&DhcpSb->Children)) {
Status = EFI_DEVICE_ERROR;
}
- if (NumberOfChildren == 0 && IsListEmpty (&DhcpSb->Children)) {
+ if ((NumberOfChildren == 0) && IsListEmpty (&DhcpSb->Children)) {
//
// Destroy the service itself if no child instance left.
//
@@ -474,6 +467,7 @@ Dhcp4DriverBindingStop ( FreeUnicodeStringTable (gDhcpControllerNameTable);
gDhcpControllerNameTable = NULL;
}
+
FreePool (DhcpSb);
Status = EFI_SUCCESS;
@@ -482,7 +476,6 @@ Dhcp4DriverBindingStop ( return Status;
}
-
/**
Initialize a new DHCP instance.
@@ -492,25 +485,24 @@ Dhcp4DriverBindingStop ( **/
VOID
DhcpInitProtocol (
- IN DHCP_SERVICE *DhcpSb,
- IN OUT DHCP_PROTOCOL *Instance
+ IN DHCP_SERVICE *DhcpSb,
+ IN OUT DHCP_PROTOCOL *Instance
)
{
- Instance->Signature = DHCP_PROTOCOL_SIGNATURE;
+ Instance->Signature = DHCP_PROTOCOL_SIGNATURE;
CopyMem (&Instance->Dhcp4Protocol, &mDhcp4ProtocolTemplate, sizeof (Instance->Dhcp4Protocol));
InitializeListHead (&Instance->Link);
- Instance->Handle = NULL;
- Instance->Service = DhcpSb;
- Instance->InDestroy = FALSE;
- Instance->CompletionEvent = NULL;
- Instance->RenewRebindEvent = NULL;
- Instance->Token = NULL;
- Instance->UdpIo = NULL;
- Instance->ElaspedTime = 0;
+ Instance->Handle = NULL;
+ Instance->Service = DhcpSb;
+ Instance->InDestroy = FALSE;
+ Instance->CompletionEvent = NULL;
+ Instance->RenewRebindEvent = NULL;
+ Instance->Token = NULL;
+ Instance->UdpIo = NULL;
+ Instance->ElaspedTime = 0;
NetbufQueInit (&Instance->ResponseQueue);
}
-
/**
Creates a child handle and installs a protocol.
@@ -537,11 +529,11 @@ Dhcp4ServiceBindingCreateChild ( IN EFI_HANDLE *ChildHandle
)
{
- DHCP_SERVICE *DhcpSb;
- DHCP_PROTOCOL *Instance;
- EFI_STATUS Status;
- EFI_TPL OldTpl;
- VOID *Udp4;
+ DHCP_SERVICE *DhcpSb;
+ DHCP_PROTOCOL *Instance;
+ EFI_STATUS Status;
+ EFI_TPL OldTpl;
+ VOID *Udp4;
if ((This == NULL) || (ChildHandle == NULL)) {
return EFI_INVALID_PARAMETER;
@@ -571,7 +563,7 @@ Dhcp4ServiceBindingCreateChild ( return Status;
}
- Instance->Handle = *ChildHandle;
+ Instance->Handle = *ChildHandle;
//
// Open the Udp4 protocol BY_CHILD.
@@ -579,7 +571,7 @@ Dhcp4ServiceBindingCreateChild ( Status = gBS->OpenProtocol (
DhcpSb->UdpIo->UdpHandle,
&gEfiUdp4ProtocolGuid,
- (VOID **) &Udp4,
+ (VOID **)&Udp4,
gDhcp4DriverBinding.DriverBindingHandle,
Instance->Handle,
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
@@ -606,7 +598,6 @@ Dhcp4ServiceBindingCreateChild ( return EFI_SUCCESS;
}
-
/**
Destroys a child handle with a protocol installed on it.
@@ -632,11 +623,11 @@ Dhcp4ServiceBindingDestroyChild ( IN EFI_HANDLE ChildHandle
)
{
- DHCP_SERVICE *DhcpSb;
- DHCP_PROTOCOL *Instance;
- EFI_DHCP4_PROTOCOL *Dhcp;
- EFI_TPL OldTpl;
- EFI_STATUS Status;
+ DHCP_SERVICE *DhcpSb;
+ DHCP_PROTOCOL *Instance;
+ EFI_DHCP4_PROTOCOL *Dhcp;
+ EFI_TPL OldTpl;
+ EFI_STATUS Status;
if ((This == NULL) || (ChildHandle == NULL)) {
return EFI_INVALID_PARAMETER;
@@ -648,7 +639,7 @@ Dhcp4ServiceBindingDestroyChild ( Status = gBS->OpenProtocol (
ChildHandle,
&gEfiDhcp4ProtocolGuid,
- (VOID **) &Dhcp,
+ (VOID **)&Dhcp,
gDhcp4DriverBinding.DriverBindingHandle,
ChildHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
@@ -658,8 +649,8 @@ Dhcp4ServiceBindingDestroyChild ( return EFI_UNSUPPORTED;
}
- Instance = DHCP_INSTANCE_FROM_THIS (Dhcp);
- DhcpSb = DHCP_SERVICE_FROM_THIS (This);
+ Instance = DHCP_INSTANCE_FROM_THIS (Dhcp);
+ DhcpSb = DHCP_SERVICE_FROM_THIS (This);
if (Instance->Service != DhcpSb) {
return EFI_INVALID_PARAMETER;
@@ -675,7 +666,7 @@ Dhcp4ServiceBindingDestroyChild ( return EFI_SUCCESS;
}
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
Instance->InDestroy = TRUE;
//
|