2. apply for doxgen format for file header. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5043 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			377 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			377 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
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|   This library provides IpIo layer upon EFI IP4 Protocol.
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| 
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| Copyright (c) 2005 - 2008, Intel Corporation
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| All rights reserved. This program and the accompanying materials
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| are licensed and made available under the terms and conditions of the BSD License
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| which accompanies this distribution.  The full text of the license may be found at
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| http://opensource.org/licenses/bsd-license.php
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| 
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| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 
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| **/
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| 
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| #ifndef _IP_IO_H_
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| #define _IP_IO_H_
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| 
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| #include <PiDxe.h>
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| #include <Protocol/Ip4.h>
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| #include <Library/IpIoLib.h>
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| #include <Library/NetLib.h>
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| 
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| //
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| // type and code define for ICMP protocol error got
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| // from IP
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| //
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| #define ICMP_TYPE_UNREACH              3
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| #define ICMP_TYPE_TIMXCEED            11
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| #define ICMP_TYPE_PARAMPROB            12
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| #define ICMP_TYPE_SOURCEQUENCH         4
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| 
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| #define ICMP_CODE_UNREACH_NET          0
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| #define ICMP_CODE_UNREACH_HOST         1
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| #define ICMP_CODE_UNREACH_PROTOCOL     2
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| #define ICMP_CODE_UNREACH_PORT         3
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| #define ICMP_CODE_UNREACH_NEEDFRAG     4
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| #define ICMP_CODE_UNREACH_SRCFAIL      5
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| #define ICMP_CODE_UNREACH_NET_UNKNOWN  6
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| #define ICMP_CODE_UNREACH_HOST_UNKNOWN 7
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| #define ICMP_CODE_UNREACH_ISOLATED     8
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| #define ICMP_CODE_UNREACH_NET_PROHIB   9
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| #define ICMP_CODE_UNREACH_HOST_PROHIB  10
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| #define ICMP_CODE_UNREACH_TOSNET       11
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| #define ICMP_CODE_UNREACH_TOSHOST      12
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| 
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| //
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| // this error will be delivered to the
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| // listening transportation layer protocol
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| // consuming IpIO
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| //
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| typedef enum {
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|   ICMP_ERR_UNREACH_NET      = 0,
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|   ICMP_ERR_UNREACH_HOST,
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|   ICMP_ERR_UNREACH_PROTOCOL,
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|   ICMP_ERR_UNREACH_PORT,
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|   ICMP_ERR_MSGSIZE,
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|   ICMP_ERR_UNREACH_SRCFAIL,
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|   ICMP_ERR_TIMXCEED_INTRANS,
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|   ICMP_ERR_TIMXCEED_REASS,
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|   ICMP_ERR_QUENCH,
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|   ICMP_ERR_PARAMPROB
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| } ICMP_ERROR;
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| 
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| typedef struct _ICMP_ERROR_INFO {
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|   BOOLEAN     IsHard;
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|   BOOLEAN     Notify;
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| } ICMP_ERROR_INFO;
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| 
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| #define EFI_IP4_HEADER_LEN(HdrPtr) ((HdrPtr)->HeaderLength << 2)
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| 
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| extern EFI_IP4_CONFIG_DATA  mIpIoDefaultIpConfigData;
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| 
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| typedef struct _EFI_NET_SESSION_DATA {
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|   IP4_ADDR        Source;
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|   IP4_ADDR        Dest;
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|   EFI_IP4_HEADER  *IpHdr;
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| } EFI_NET_SESSION_DATA;
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| 
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| typedef
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| VOID
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| (*PKT_RCVD_NOTIFY) (
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|   IN EFI_STATUS           Status,  // rcvd pkt result
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|   IN ICMP_ERROR           IcmpErr, // if Status == EFI_ICMP_ERROR, this
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|                                   // field is valid for user
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|   IN EFI_NET_SESSION_DATA *NetSession, // the communication point
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|   IN NET_BUF              *Pkt,    // packet received
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|   IN VOID                 *Context // the Context provided by user for recive data
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|   );
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| 
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| typedef
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| VOID
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| (*PKT_SENT_NOTIFY) (
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|   IN EFI_STATUS  Status,      // sent pkt result
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|   IN VOID        *Context,    // the context provided by user for sending data
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|   IN VOID        *Sender,     // the sender to be notified
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|   IN VOID        *NotifyData  // sent pkt related data to notify
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|   );
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| 
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| typedef struct _IP_IO {
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| 
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|   //
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|   // the node used to link this IpIo to the active IpIo list.
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|   //
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|   LIST_ENTRY                    Entry;
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| 
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|   // the list used to maintain the IP instance for different sending purpose.
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|   //
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|   LIST_ENTRY                    IpList;
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| 
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|   //
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|   // the ip instance consumed by this IP IO
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|   //
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|   EFI_HANDLE                    Controller;
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|   EFI_HANDLE                    Image;
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|   EFI_HANDLE                    ChildHandle;
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|   EFI_IP4_PROTOCOL              *Ip;
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|   BOOLEAN                       IsConfigured;
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| 
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|   //
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|   // some ip config data can be changed
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|   //
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|   UINT8                         Protocol;
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| 
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|   //
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|   // token and event used to get data from IP
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|   //
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|   EFI_IP4_COMPLETION_TOKEN      RcvToken;
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| 
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|   //
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|   // list entry used to link the token passed to IP_IO
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|   //
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|   LIST_ENTRY                    PendingSndList;
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| 
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|   //
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|   // User interface used to get notify from IP_IO
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|   //
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|   VOID                          *RcvdContext;
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|   VOID                          *SndContext;
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|   PKT_RCVD_NOTIFY               PktRcvdNotify;
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|   PKT_SENT_NOTIFY               PktSentNotify;
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| } IP_IO;
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| 
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| typedef struct _IP_IO_OPEN_DATA {
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|   EFI_IP4_CONFIG_DATA IpConfigData;
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|   VOID                *RcvdContext;
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|   VOID                *SndContext;
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|   PKT_RCVD_NOTIFY     PktRcvdNotify;
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|   PKT_SENT_NOTIFY     PktSentNotify;
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| } IP_IO_OPEN_DATA;
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| 
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| typedef struct _IP_IO_SEND_ENTRY {
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|   LIST_ENTRY                Entry;
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|   IP_IO                     *IpIo;
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|   VOID                      *Context;
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|   VOID                      *NotifyData;
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|   EFI_IP4_PROTOCOL          *Ip;
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|   NET_BUF                   *Pkt;
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|   EFI_IP4_COMPLETION_TOKEN  *SndToken;
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| } IP_IO_SEND_ENTRY;
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| 
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| typedef EFI_IP4_OVERRIDE_DATA IP_IO_OVERRIDE;
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| 
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| typedef struct _IP_IO_IP_INFO {
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|   IP4_ADDR                  Addr;
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|   IP4_ADDR                  SubnetMask;
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|   LIST_ENTRY                Entry;
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|   EFI_HANDLE                ChildHandle;
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|   EFI_IP4_PROTOCOL          *Ip;
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|   EFI_IP4_COMPLETION_TOKEN  DummyRcvToken;
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|   INTN                      RefCnt;
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| } IP_IO_IP_INFO;
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| 
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| /**
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|   Create a new IP_IO instance.
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| 
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|   @param  Image                 The image handle of an IP_IO consumer protocol.
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|   @param  Controller            The controller handle of an IP_IO consumer protocol
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|                                 installed on.
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| 
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|   @return Pointer to a newly created IP_IO instance.
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| 
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| **/
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| IP_IO *
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| EFIAPI
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| IpIoCreate (
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|   IN EFI_HANDLE Image,
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|   IN EFI_HANDLE Controller
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|   );
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| 
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| /**
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|   Destroy an IP_IO instance.
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| 
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|   @param  IpIo                  Pointer to the IP_IO instance that needs to
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|                                 destroy.
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| 
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|   @retval EFI_SUCCESS           The IP_IO instance destroyed successfully.
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|   @retval other                 Error condition occurred.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| IpIoDestroy (
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|   IN IP_IO *IpIo
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|   );
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| 
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| /**
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|   Stop an IP_IO instance.
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| 
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|   @param  IpIo                  Pointer to the IP_IO instance that needs to stop.
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| 
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|   @retval EFI_SUCCESS           The IP_IO instance stopped successfully.
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|   @retval other                 Error condition occurred.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| IpIoStop (
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|   IN IP_IO *IpIo
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|   );
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| 
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| /**
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|   Open an IP_IO instance for use.
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| 
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|   @param  IpIo                  Pointer to an IP_IO instance that needs to open.
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|   @param  OpenData              The configuration data for the IP_IO instance.
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| 
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|   @retval EFI_SUCCESS           The IP_IO instance opened with OpenData
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|                                 successfully.
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|   @retval other                 Error condition occurred.
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| 
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| **/
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| EFI_STATUS
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| IpIoOpen (
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|   IN IP_IO           *IpIo,
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|   IN IP_IO_OPEN_DATA *OpenData
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|   );
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| 
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| /**
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|   Send out an IP packet.
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| 
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|   @param  IpIo                  Pointer to an IP_IO instance used for sending IP
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|                                 packet.
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|   @param  Pkt                   Pointer to the IP packet to be sent.
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|   @param  Sender                The IP protocol instance used for sending.
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|   @param  NotifyData
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|   @param  Dest                  The destination IP address to send this packet to.
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|   @param  OverrideData          The data to override some configuration of the IP
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|                                 instance used for sending.
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| 
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|   @retval EFI_SUCCESS           The operation is completed successfully.
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|   @retval EFI_NOT_STARTED       The IpIo is not configured.
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|   @retval EFI_OUT_OF_RESOURCES  Failed due to resource limit.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| IpIoSend (
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|   IN IP_IO           *IpIo,
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|   IN NET_BUF         *Pkt,
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|   IN IP_IO_IP_INFO   *Sender,
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|   IN VOID            *Context    OPTIONAL,
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|   IN VOID            *NotifyData OPTIONAL,
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|   IN IP4_ADDR        Dest,
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|   IN IP_IO_OVERRIDE  *OverrideData
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|   );
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| 
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| /**
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|   Add a new IP instance for sending data.
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| 
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|   @param  IpIo                  Pointer to a IP_IO instance to add a new IP
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|                                 instance for sending purpose.
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| 
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|   @return Pointer to the created IP_IO_IP_INFO structure, NULL is failed.
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| 
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| **/
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| VOID
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| EFIAPI
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| IpIoCancelTxToken (
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|   IN IP_IO  *IpIo,
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|   IN VOID   *Packet
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|   );
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| 
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| /**
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|   Add a new IP instance for sending data.
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| 
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|   @param  IpIo                  Pointer to a IP_IO instance to add a new IP
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|                                 instance for sending purpose.
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| 
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|   @return Pointer to the created IP_IO_IP_INFO structure, NULL is failed.
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| 
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| **/
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| IP_IO_IP_INFO *
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| EFIAPI
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| IpIoAddIp (
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|   IN IP_IO  *IpIo
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|   );
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| 
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| /**
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|   Configure the IP instance of this IpInfo and start the receiving if Ip4ConfigData
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|   is not NULL.
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| 
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|   @param  IpInfo                Pointer to the IP_IO_IP_INFO instance.
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|   @param  Ip4ConfigData         The IP4 configure data used to configure the ip
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|                                 instance, if NULL the ip instance is reseted. If
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|                                 UseDefaultAddress is set to TRUE, and the configure
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|                                 operation succeeds, the default address information
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|                                 is written back in this Ip4ConfigData.
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| 
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|   @retval EFI_STATUS            The status returned by IP4->Configure or
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|                                 IP4->Receive.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| IpIoConfigIp (
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|   IN     IP_IO_IP_INFO        *IpInfo,
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|   IN OUT EFI_IP4_CONFIG_DATA  *Ip4ConfigData OPTIONAL
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|   );
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| 
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| /**
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|   Destroy an IP instance maintained in IpIo->IpList for
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|   sending purpose.
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| 
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|   @param  IpIo                  Pointer to the IP_IO instance.
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|   @param  IpInfo                Pointer to the IpInfo to be removed.
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| 
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|   @return None.
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| 
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| **/
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| VOID
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| EFIAPI
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| IpIoRemoveIp (
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|   IN IP_IO            *IpIo,
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|   IN IP_IO_IP_INFO    *IpInfo
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|   );
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| 
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| /**
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|   Find the first IP protocol maintained in IpIo whose local
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|   address is the same with Src.
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| 
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|   @param  IpIo                  Pointer to the pointer of the IP_IO instance.
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|   @param  Src                   The local IP address.
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| 
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|   @return Pointer to the IP protocol can be used for sending purpose and its local
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|   @return address is the same with Src.
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| 
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| **/
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| IP_IO_IP_INFO *
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| EFIAPI
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| IpIoFindSender (
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|   IN OUT IP_IO     **IpIo,
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|   IN     IP4_ADDR  Src
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|   );
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| 
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| /**
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|   Get the ICMP error map information, the ErrorStatus will be returned.
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|   The IsHard and Notify are optional. If they are not NULL, this rouine will
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|   fill them.
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|   We move IcmpErrMap[] to local variable to enable EBC build.
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| 
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|   @param  IcmpError             IcmpError Type
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|   @param  IsHard                Whether it is a hard error
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|   @param  Notify                Whether it need to notify SockError
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| 
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|   @return ICMP Error Status
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| IpIoGetIcmpErrStatus (
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|   IN  ICMP_ERROR  IcmpError,
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|   OUT BOOLEAN     *IsHard, OPTIONAL
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|   OUT BOOLEAN     *Notify OPTIONAL
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|   );
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| 
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| #endif
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