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/** @file
The prototype of driver binding and service binding protocol for TCP driver.
Copyright (c) 2009 - 2011, 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.
**/
#ifndef _TCP_DRIVER_H_
#define _TCP_DRIVER_H_
#define TCP_DRIVER_SIGNATURE SIGNATURE_32 ('T', 'C', 'P', 'D')
#define TCP_PORT_KNOWN 1024
#define TCP_PORT_USER_RESERVED 65535
typedef struct _TCP_HEARTBEAT_TIMER {
EFI_EVENT TimerEvent;
INTN RefCnt;
} TCP_HEARTBEAT_TIMER;
typedef struct _TCP_SERVICE_DATA {
UINT32 Signature;
EFI_HANDLE ControllerHandle;
EFI_HANDLE DriverBindingHandle;
UINT8 IpVersion;
IP_IO *IpIo;
EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;
CHAR16 *MacString;
LIST_ENTRY SocketList;
} TCP_SERVICE_DATA;
typedef struct _TCP_PROTO_DATA {
TCP_SERVICE_DATA *TcpService;
TCP_CB *TcpPcb;
} TCP_PROTO_DATA;
#define TCP_SERVICE_FROM_THIS(a) \
CR ( \
(a), \
TCP_SERVICE_DATA, \
ServiceBinding, \
TCP_DRIVER_SIGNATURE \
)
//
// Function prototype for the driver's entry point
//
/**
The entry point for Tcp driver, used to install Tcp driver on the ImageHandle.
@param[in] ImageHandle The firmware allocated handle for this driver image.
@param[in] SystemTable Pointer to the EFI system table.
@retval EFI_SUCCESS The driver loaded.
@retval other The driver did not load.
**/
EFI_STATUS
EFIAPI
TcpDriverEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
//
// Function prototypes for the Driver Binding Protocol
//
/**
Test to see if this driver supports ControllerHandle.
@param[in] This Protocol instance pointer.
@param[in] ControllerHandle Handle of the device to test.
@param[in] RemainingDevicePath Optional parameter use to pick a specific
child device to start.
@retval EFI_SUCCESS This driver supports this device.
@retval EFI_ALREADY_STARTED This driver is already running on this device.
@retval other This driver does not support this device.
**/
EFI_STATUS
EFIAPI
TcpDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
);
/**
Start this driver on ControllerHandle.
@param[in] This Protocol instance pointer.
@param[in] ControllerHandle Handle of device to bind driver to.
@param[in] RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS The driver was added to ControllerHandle.
@retval EFI_OUT_OF_RESOURCES There are not enough resources to start the
driver.
@retval other The driver cannot be added to ControllerHandle.
**/
EFI_STATUS
EFIAPI
TcpDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
);
/**
Stop this driver on ControllerHandle.
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param[in] ControllerHandle A handle to the device being stopped. The handle must
support a bus specific I/O protocol for the driver
to use to stop the device.
@param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
@param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
if NumberOfChildren is 0.
@retval EFI_SUCCESS The device was stopped.
@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
**/
EFI_STATUS
EFIAPI
TcpDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
);
/**
The Callback funtion called after the TCP socket is created.
@param[in] This Pointer to the socket just created.
@param[in] Context The context of the socket.
@retval EFI_SUCCESS This protocol is installed successfully.
@retval other An error occured.
**/
EFI_STATUS
TcpCreateSocketCallback (
IN SOCKET *This,
IN VOID *Context
);
/**
The callback function called before the TCP socket is to be destroyed.
@param[in] This The TCP socket to be destroyed.
@param[in] Context The context of the socket.
**/
VOID
TcpDestroySocketCallback (
IN SOCKET *This,
IN VOID *Context
);
//
// Function ptototypes for the ServiceBinding Prococol
//
/**
Creates a child handle with a set of TCP services.
The CreateChild() function installs a protocol on ChildHandle.
If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.
@param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
@param[in, out] ChildHandle Pointer to the handle of the child to create.
If it is NULL, then a new handle is created.
If it is a pointer to an existing UEFI handle,
then the protocol is added to the existing UEFI handle.
@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 available to create
the child.
@retval other The child handle was not created.
**/
EFI_STATUS
EFIAPI
TcpServiceBindingCreateChild (
IN EFI_SERVICE_BINDING_PROTOCOL *This,
IN OUT EFI_HANDLE *ChildHandle
);
/**
Destroys a child handle with a set of TCP services.
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 This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
@param ChildHandle Handle of the child to destroy.
@retval EFI_SUCCES The protocol was removed from ChildHandle.
@retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is being removed.
@retval EFI_INVALID_PARAMETER The child handle is NULL.
@retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle
because its services are being used.
@retval other The child handle was not destroyed.
**/
EFI_STATUS
EFIAPI
TcpServiceBindingDestroyChild (
IN EFI_SERVICE_BINDING_PROTOCOL *This,
IN EFI_HANDLE ChildHandle
);
#endif
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