mirror of https://github.com/acidanthera/audk.git
356 lines
11 KiB
C
356 lines
11 KiB
C
/** @file
|
|
This library is used to share code between UEFI network stack modules.
|
|
It provides the helper routines to access UDP service. It is used by both DHCP and MTFTP.
|
|
|
|
Copyright (c) 2006 - 2009, Intel Corporation.<BR>
|
|
All rights reserved. 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<BR>
|
|
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 _UDP_IO_H_
|
|
#define _UDP_IO_H_
|
|
|
|
#include <Protocol/Udp4.h>
|
|
#include <Protocol/Udp6.h>
|
|
|
|
#include <Library/NetLib.h>
|
|
|
|
typedef struct _UDP_IO UDP_IO;
|
|
|
|
///
|
|
/// Signatures used by UdpIo Library.
|
|
///
|
|
|
|
#define UDP_IO_RX_SIGNATURE SIGNATURE_32 ('U', 'D', 'P', 'R')
|
|
#define UDP_IO_TX_SIGNATURE SIGNATURE_32 ('U', 'D', 'P', 'T')
|
|
#define UDP_IO_SIGNATURE SIGNATURE_32 ('U', 'D', 'P', 'I')
|
|
|
|
#define UDP_IO_UDP4_VERSION 4
|
|
#define UDP_IO_UDP6_VERSION 6
|
|
|
|
///
|
|
/// The UDP address pair.
|
|
///
|
|
typedef struct {
|
|
EFI_IP_ADDRESS LocalAddr;
|
|
UINT16 LocalPort;
|
|
EFI_IP_ADDRESS RemoteAddr;
|
|
UINT16 RemotePort;
|
|
} UDP_END_POINT;
|
|
|
|
/**
|
|
Prototype called when receiving or sending packets to or from a UDP point.
|
|
|
|
This prototype is used by both receive and sending when calling
|
|
UdpIoRecvDatagram() or UdpIoSendDatagram(). When receiving, Netbuf is allocated by the
|
|
UDP access point and released by the user. When sending, the user allocates the the NetBuf, which is then
|
|
provided to the callback as a reference.
|
|
|
|
@param[in] Packet Packet received or sent
|
|
@param[in] EndPoint The UDP address pair corresponds to the UDP IO
|
|
@param[in] IoStatus Packet receiving or sending status
|
|
@param[in] Context User-defined data when calling UdpIoRecvDatagram() or
|
|
UdpIoSendDatagram()
|
|
**/
|
|
typedef
|
|
VOID
|
|
(*UDP_IO_CALLBACK) (
|
|
IN NET_BUF *Packet,
|
|
IN UDP_END_POINT *EndPoint,
|
|
IN EFI_STATUS IoStatus,
|
|
IN VOID *Context
|
|
);
|
|
|
|
///
|
|
/// This structure is used internally by the UdpIo Library.
|
|
///
|
|
/// Each receive request is wrapped in an UDP_RX_TOKEN. Upon completion,
|
|
/// the CallBack will be called. Only one receive request is sent to UDP at a
|
|
/// time. HeadLen gives the length of the application's header. UDP_IO will
|
|
/// make the application's header continuous before delivering up.
|
|
///
|
|
typedef union {
|
|
EFI_UDP4_COMPLETION_TOKEN Udp4;
|
|
EFI_UDP6_COMPLETION_TOKEN Udp6;
|
|
} UDP_COMPLETION_TOKEN;
|
|
|
|
typedef struct {
|
|
UINT32 Signature;
|
|
UDP_IO *UdpIo;
|
|
|
|
UDP_IO_CALLBACK CallBack;
|
|
VOID *Context;
|
|
UINT32 HeadLen;
|
|
|
|
UDP_COMPLETION_TOKEN Token;
|
|
} UDP_RX_TOKEN;
|
|
|
|
|
|
|
|
///
|
|
/// This structure is used internally by UdpIo Library.
|
|
///
|
|
/// Each transmit request is wrapped in an UDP_TX_TOKEN. Upon completion,
|
|
/// the CallBack will be called. There can be several transmit requests. All transmit requests
|
|
/// are linked in a list.
|
|
///
|
|
|
|
typedef union {
|
|
EFI_UDP4_SESSION_DATA Udp4;
|
|
EFI_UDP6_SESSION_DATA Udp6;
|
|
} UDP_SESSION_DATA;
|
|
|
|
typedef union {
|
|
EFI_UDP4_TRANSMIT_DATA Udp4;
|
|
EFI_UDP6_TRANSMIT_DATA Udp6;
|
|
} UDP_TRANSMIT_DATA;
|
|
|
|
typedef struct {
|
|
UINT32 Signature;
|
|
LIST_ENTRY Link;
|
|
UDP_IO *UdpIo;
|
|
UDP_IO_CALLBACK CallBack;
|
|
NET_BUF *Packet;
|
|
VOID *Context;
|
|
EFI_IPv4_ADDRESS Gateway;
|
|
UDP_SESSION_DATA Session;
|
|
UDP_COMPLETION_TOKEN Token;
|
|
UDP_TRANSMIT_DATA Data;
|
|
} UDP_TX_TOKEN;
|
|
|
|
///
|
|
/// Type defined as UDP_IO.
|
|
///
|
|
/// This data structure wraps the UDP instance and configuration.
|
|
/// UdpIo Library uses this structure for all Udp4 or Udp6 operations.
|
|
///
|
|
struct _UDP_IO {
|
|
UINT32 Signature;
|
|
LIST_ENTRY Link;
|
|
INTN RefCnt;
|
|
UINT8 UdpVersion;
|
|
|
|
//
|
|
// Handle used to create/destory UDP child
|
|
//
|
|
EFI_HANDLE Controller;
|
|
EFI_HANDLE Image;
|
|
EFI_HANDLE UdpHandle;
|
|
|
|
EFI_SIMPLE_NETWORK_MODE SnpMode;
|
|
|
|
LIST_ENTRY SentDatagram; ///< A list of UDP_TX_TOKEN.
|
|
UDP_RX_TOKEN *RecvRequest;
|
|
|
|
union {
|
|
EFI_UDP4_PROTOCOL *Udp4;
|
|
EFI_UDP6_PROTOCOL *Udp6;
|
|
} Protocol;
|
|
|
|
union {
|
|
EFI_UDP4_CONFIG_DATA Udp4;
|
|
EFI_UDP6_CONFIG_DATA Udp6;
|
|
} Config;
|
|
};
|
|
|
|
/**
|
|
Prototype called when UdpIo Library configures a UDP instance.
|
|
|
|
The prototype is set and called when creating a UDP_IO in UdpIoCreatePort().
|
|
|
|
@param[in] UdpIo The UDP_IO to configure
|
|
@param[in] Context User-defined data when calling UdpIoCreatePort()
|
|
|
|
@retval EFI_SUCCESS The configuration succeeded
|
|
@retval Others The UDP_IO fails to configure indicating
|
|
UdpIoCreatePort() should fail
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(*UDP_IO_CONFIG) (
|
|
IN UDP_IO *UdpIo,
|
|
IN VOID *Context
|
|
);
|
|
|
|
/**
|
|
The select function to decide whether to cancel the UDP_TX_TOKEN.
|
|
|
|
@param[in] Token The UDP_TX_TOKEN to decide whether to cancel
|
|
@param[in] Context User-defined data in UdpIoCancelDgrams()
|
|
|
|
@retval TRUE Cancel the UDP_TX_TOKEN
|
|
@retval FALSE Do not cancel this UDP_TX_TOKEN
|
|
|
|
**/
|
|
typedef
|
|
BOOLEAN
|
|
(*UDP_IO_TO_CANCEL) (
|
|
IN UDP_TX_TOKEN *Token,
|
|
IN VOID *Context
|
|
);
|
|
|
|
/**
|
|
Cancel all the sent datagram that pass the selection criteria of ToCancel.
|
|
If ToCancel is NULL, all the datagrams are cancelled.
|
|
|
|
@param[in] UdpIo The UDP_IO to cancel packet.
|
|
@param[in] IoStatus The IoStatus to return to the packet owners.
|
|
@param[in] ToCancel The select funtion to test whether to cancel this
|
|
packet or not.
|
|
@param[in] Context The opaque parameter to the ToCancel.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
UdpIoCancelDgrams (
|
|
IN UDP_IO *UdpIo,
|
|
IN EFI_STATUS IoStatus,
|
|
IN UDP_IO_TO_CANCEL ToCancel, OPTIONAL
|
|
IN VOID *Context
|
|
);
|
|
|
|
/**
|
|
Creates a UDP_IO to access the UDP service. It creates and configures
|
|
a UDP child.
|
|
|
|
It locates the UDP service binding prototype on the Controller parameter
|
|
uses the UDP service binding prototype to create a UDP child (also known as
|
|
a UDP instance) configures the UDP child by calling Configure function prototype.
|
|
Any failures in creating or configuring the UDP child return NULL for failure.
|
|
|
|
@param[in] Controller The controller that has the UDP service binding.
|
|
protocol installed.
|
|
@param[in] ImageHandle The image handle for the driver.
|
|
@param[in] Configure The function to configure the created UDP child.
|
|
@param[in] UdpVersion The UDP protocol version, UDP4 or UDP6.
|
|
@param[in] Context The opaque parameter for the Configure funtion.
|
|
|
|
@return Newly-created UDP_IO or NULL if failed.
|
|
|
|
**/
|
|
UDP_IO *
|
|
EFIAPI
|
|
UdpIoCreateIo (
|
|
IN EFI_HANDLE Controller,
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN UDP_IO_CONFIG Configure,
|
|
IN UINT8 UdpVersion,
|
|
IN VOID *Context
|
|
);
|
|
|
|
/**
|
|
Free the UDP_IO and all its related resources.
|
|
|
|
The function cancels all sent datagrams and receive requests.
|
|
|
|
@param[in] UdpIo The UDP_IO to free.
|
|
|
|
@retval EFI_SUCCESS The UDP_IO is freed.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
UdpIoFreeIo (
|
|
IN UDP_IO *UdpIo
|
|
);
|
|
|
|
/**
|
|
Cleans up the UDP_IO without freeing it. Call this function
|
|
if you intend to later re-use the UDP_IO.
|
|
|
|
This function releases all transmitted datagrams and receive requests and configures NULL for the UDP instance.
|
|
|
|
@param[in] UdpIo The UDP_IO to clean up.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
UdpIoCleanIo (
|
|
IN UDP_IO *UdpIo
|
|
);
|
|
|
|
/**
|
|
Send a packet through the UDP_IO.
|
|
|
|
The packet will be wrapped in UDP_TX_TOKEN. Function Callback will be called
|
|
when the packet is sent. The optional parameter EndPoint overrides the default
|
|
address pair if specified.
|
|
|
|
@param[in] UdpIo The UDP_IO to send the packet through.
|
|
@param[in] Packet The packet to send.
|
|
@param[in] EndPoint The local and remote access point. Override the
|
|
default address pair set during configuration.
|
|
@param[in] Gateway The gateway to use.
|
|
@param[in] CallBack The function being called when packet is
|
|
transmitted or failed.
|
|
@param[in] Context The opaque parameter passed to CallBack.
|
|
|
|
@retval EFI_OUT_OF_RESOURCES Failed to allocate resource for the packet.
|
|
@retval EFI_SUCCESS The packet is successfully delivered to UDP for
|
|
transmission.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
UdpIoSendDatagram (
|
|
IN UDP_IO *UdpIo,
|
|
IN NET_BUF *Packet,
|
|
IN UDP_END_POINT *EndPoint OPTIONAL,
|
|
IN EFI_IP_ADDRESS *Gateway OPTIONAL,
|
|
IN UDP_IO_CALLBACK CallBack,
|
|
IN VOID *Context
|
|
);
|
|
|
|
/**
|
|
Cancel a single sent datagram.
|
|
|
|
@param[in] UdpIo The UDP_IO from which to cancel the packet
|
|
@param[in] Packet The packet to cancel
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
UdpIoCancelSentDatagram (
|
|
IN UDP_IO *UdpIo,
|
|
IN NET_BUF *Packet
|
|
);
|
|
|
|
/**
|
|
Issue a receive request to the UDP_IO.
|
|
|
|
This function is called when upper-layer needs packet from UDP for processing.
|
|
Only one receive request is acceptable at a time. Therefore, one common usage model is
|
|
to invoke this function inside its Callback function when the former packet
|
|
is processed.
|
|
|
|
@param[in] UdpIo The UDP_IO to receive the packet from.
|
|
@param[in] CallBack The call back function to execute when the packet
|
|
is received.
|
|
@param[in] Context The opaque context passed to Callback.
|
|
@param[in] HeadLen The length of the upper-layer's protocol header.
|
|
|
|
@retval EFI_ALREADY_STARTED There is already a pending receive request. Only
|
|
one receive request is supported at a time.
|
|
@retval EFI_OUT_OF_RESOURCES Failed to allocate needed resources.
|
|
@retval EFI_SUCCESS The receive request is issued successfully.
|
|
@retval EFI_UNSUPPORTED The UDP version in UDP_IO is not supported.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
UdpIoRecvDatagram (
|
|
IN UDP_IO *UdpIo,
|
|
IN UDP_IO_CALLBACK CallBack,
|
|
IN VOID *Context,
|
|
IN UINT32 HeadLen
|
|
);
|
|
|
|
#endif
|
|
|