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/** @file
The prototype of driver binding and service binding protocol for TCP driver.
Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#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;
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
Tcp4DriverBindingSupported (
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
Tcp4DriverBindingStart (
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
Tcp4DriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
);
/**
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
Tcp6DriverBindingSupported (
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
Tcp6DriverBindingStart (
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
Tcp6DriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
);
/**
The Callback function 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 occurred.
**/
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 prototypes for the ServiceBinding Protocol
//
/**
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_SUCCESS 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_SUCCESS 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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