-/** @file
-
-Copyright (c) 2005 - 2007, Intel Corporation
-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
-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.
-
-Module Name:
-
- IpIo.h
-
-Abstract:
-
-
-**/
-
-#ifndef _IP_IO_H_
-#define _IP_IO_H_
-
-#include <PiDxe.h>
+/** @file\r
+ This library is only intended to be used by UEFI network stack modules.\r
+ It provides the combined IpIo layer on the EFI IP4 Protocol and EFI IP6 protocol.\r
+\r
+Copyright (c) 2005 - 2010, Intel Corporation. All rights reserved<BR>\r
+This program and the accompanying materials are licensed and made available under \r
+the terms and conditions of the BSD License that accompanies this distribution. \r
+The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php. \r
+\r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#ifndef _IP_IO_H_\r
+#define _IP_IO_H_\r
+\r
#include <Protocol/Ip4.h>\r
-#include <Library/IpIoLib.h>\r
-#include <Library/NetLib.h>
-
+#include <Protocol/Ip6.h>\r
+\r
+#include <Library/NetLib.h>\r
+\r
//\r
-// type and code define for ICMP protocol error got\r
+// type and code define for ICMP protocol error \r
// from IP\r
//\r
#define ICMP_TYPE_UNREACH 3\r
-#define ICMP_TYPE_TIMXCEED 11\r
+#define ICMP_TYPE_TIMXCEED 11\r
#define ICMP_TYPE_PARAMPROB 12\r
#define ICMP_TYPE_SOURCEQUENCH 4\r
\r
#define ICMP_CODE_UNREACH_TOSNET 11\r
#define ICMP_CODE_UNREACH_TOSHOST 12\r
\r
-//\r
-// this error will be delivered to the\r
-// listening transportation layer protocol\r
-// consuming IpIO\r
-//\r
-typedef enum {\r
- ICMP_ERR_UNREACH_NET = 0,\r
- ICMP_ERR_UNREACH_HOST,\r
- ICMP_ERR_UNREACH_PROTOCOL,\r
- ICMP_ERR_UNREACH_PORT,\r
- ICMP_ERR_MSGSIZE,\r
- ICMP_ERR_UNREACH_SRCFAIL,\r
- ICMP_ERR_TIMXCEED_INTRANS,\r
- ICMP_ERR_TIMXCEED_REASS,\r
- ICMP_ERR_QUENCH,\r
- ICMP_ERR_PARAMPROB\r
-} ICMP_ERROR;\r
-\r
-typedef struct _ICMP_ERROR_INFO {\r
- EFI_STATUS Error;\r
- BOOLEAN IsHard;\r
- BOOLEAN Notify;\r
+/**\r
+ Get the IP header length from the struct EFI_IP4_HEADER. HeaderLength is\r
+ Internet header length in 32-bit words, so HeaderLength<<2 is the real\r
+ length of IP header.\r
+ \r
+ @param[out] HdrPtr A pointer to EFI_IP4_HEADER.\r
+ \r
+ @return The IP header length.\r
+**/\r
+#define EFI_IP4_HEADER_LEN(HdrPtr) ((HdrPtr)->HeaderLength << 2)\r
+\r
+/**\r
+ To types of ICMP error which consist of ICMP header, IP header and original \r
+ datagram's data, get length from sum of ICMP header length, IP header length \r
+ and first 64 bits of datagram's data length.\r
+ \r
+ @param[in] IpHdr A pointer to EFI_IP4_HEADER.\r
+ \r
+ @return The ICMP error length.\r
+**/\r
+#define ICMP_ERRLEN(IpHdr) \\r
+ (sizeof(IP4_ICMP_HEAD) + EFI_IP4_HEADER_LEN(IpHdr) + 8)\r
+\r
+/**\r
+ Get the packet header from NET_BUF.\r
+ \r
+ @param[out] Buf A pointer to NET_BUF.\r
+ @param[in] Type Header type.\r
+ \r
+ @return The pointer to packet header.\r
+**/\r
+#define NET_PROTO_HDR(Buf, Type) ((Type *) ((Buf)->BlockOp[0].Head))\r
+\r
+ \r
+extern EFI_IP4_CONFIG_DATA mIp4IoDefaultIpConfigData;\r
+extern EFI_IP6_CONFIG_DATA mIp6IoDefaultIpConfigData;\r
+\r
+\r
+///\r
+/// This error will be delivered to the\r
+/// listening transportation layer protocol\r
+/// that consumes IpIO.\r
+///\r
+\r
+#define ICMP_ERR_UNREACH_NET 0\r
+#define ICMP_ERR_UNREACH_HOST 1\r
+#define ICMP_ERR_UNREACH_PROTOCOL 2\r
+#define ICMP_ERR_UNREACH_PORT 3\r
+#define ICMP_ERR_MSGSIZE 4\r
+#define ICMP_ERR_UNREACH_SRCFAIL 5\r
+#define ICMP_ERR_TIMXCEED_INTRANS 6\r
+#define ICMP_ERR_TIMXCEED_REASS 7\r
+#define ICMP_ERR_QUENCH 8\r
+#define ICMP_ERR_PARAMPROB 9\r
+\r
+#define ICMP6_ERR_UNREACH_NET 0\r
+#define ICMP6_ERR_UNREACH_HOST 1\r
+#define ICMP6_ERR_UNREACH_PROTOCOL 2\r
+#define ICMP6_ERR_UNREACH_PORT 3\r
+#define ICMP6_ERR_PACKAGE_TOOBIG 4\r
+#define ICMP6_ERR_TIMXCEED_HOPLIMIT 5\r
+#define ICMP6_ERR_TIMXCEED_REASS 6\r
+#define ICMP6_ERR_PARAMPROB_HEADER 7\r
+#define ICMP6_ERR_PARAMPROB_NEXHEADER 8\r
+#define ICMP6_ERR_PARAMPROB_IPV6OPTION 9\r
+\r
+///\r
+/// The helper struct for IpIoGetIcmpErrStatus(). It is for internal use only.\r
+///\r
+typedef struct {\r
+ BOOLEAN IsHard;\r
+ BOOLEAN Notify;\r
} ICMP_ERROR_INFO;\r
-
-//
-// Driver Consumed Protocol Prototypes
-//
-//@MT:#include EFI_PROTOCOL_CONSUMER (Ip4)
-//@MT:#include EFI_PROTOCOL_CONSUMER (Udp4)
-
-#define EFI_IP4_HEADER_LEN(HdrPtr) ((HdrPtr)->HeaderLength << 2)
-
-extern EFI_IP4_CONFIG_DATA mIpIoDefaultIpConfigData;
-
-typedef struct _EFI_NET_SESSION_DATA {
- IP4_ADDR Source;
- IP4_ADDR Dest;
- EFI_IP4_HEADER *IpHdr;
-} EFI_NET_SESSION_DATA;
-
-typedef
-VOID
-(*PKT_RCVD_NOTIFY) (
- IN EFI_STATUS Status, // rcvd pkt result
- IN ICMP_ERROR IcmpErr, // if Status == EFI_ICMP_ERROR, this
- // field is valid for user
- IN EFI_NET_SESSION_DATA *NetSession, // the communication point
- IN NET_BUF *Pkt, // packet received
- IN VOID *Context // the Context provided by user for recive data
- );
-
-typedef
-VOID
-(*PKT_SENT_NOTIFY) (
- IN EFI_STATUS Status, // sent pkt result
- IN VOID *Context, // the context provided by user for sending data
- IN VOID *Sender, // the sender to be notified
- IN VOID *NotifyData // sent pkt related data to notify
- );
-
-typedef struct _IP_IO {
-
- //
- // the node used to link this IpIo to the active IpIo list.
- //
- NET_LIST_ENTRY Entry;
-
- // the list used to maintain the IP instance for different sending purpose.
- //
- NET_LIST_ENTRY IpList;
-
- //
- // the ip instance consumed by this IP IO
- //
- EFI_HANDLE Controller;
- EFI_HANDLE Image;
- EFI_HANDLE ChildHandle;
- EFI_IP4_PROTOCOL *Ip;
- BOOLEAN IsConfigured;
-
- //
- // some ip config data can be changed
- //
- UINT8 Protocol;
-
- //
- // token and event used to get data from IP
- //
- EFI_IP4_COMPLETION_TOKEN RcvToken;
-
- //
- // list entry used to link the token passed to IP_IO
- //
- NET_LIST_ENTRY PendingSndList;
-
- //
- // User interface used to get notify from IP_IO
- //
- VOID *RcvdContext;
- VOID *SndContext;
- PKT_RCVD_NOTIFY PktRcvdNotify;
- PKT_SENT_NOTIFY PktSentNotify;
-} IP_IO;
-
-typedef struct _IP_IO_OPEN_DATA {
- EFI_IP4_CONFIG_DATA IpConfigData;
- VOID *RcvdContext;
- VOID *SndContext;
- PKT_RCVD_NOTIFY PktRcvdNotify;
- PKT_SENT_NOTIFY PktSentNotify;
-} IP_IO_OPEN_DATA;
-
-typedef struct _IP_IO_SEND_ENTRY {
- NET_LIST_ENTRY Entry;
- IP_IO *IpIo;
- VOID *Context;
- VOID *NotifyData;
- EFI_IP4_PROTOCOL *Ip;
- NET_BUF *Pkt;
- EFI_IP4_COMPLETION_TOKEN *SndToken;
-} IP_IO_SEND_ENTRY;
-
-typedef struct _EFI_IP4_OVERRIDE_DATA IP_IO_OVERRIDE;
-
-typedef struct _IP_IO_IP_INFO {
- IP4_ADDR Addr;
- IP4_ADDR SubnetMask;
- NET_LIST_ENTRY Entry;
- EFI_HANDLE ChildHandle;
- EFI_IP4_PROTOCOL *Ip;
- EFI_IP4_COMPLETION_TOKEN DummyRcvToken;
- INTN RefCnt;
-} IP_IO_IP_INFO;
-
-IP_IO *
-IpIoCreate (
- IN EFI_HANDLE Image,
- IN EFI_HANDLE Controller
- );
-
-EFI_STATUS
-IpIoDestroy (
- IN IP_IO *IpIo
- );
-
-EFI_STATUS
-IpIoStop (
- IN IP_IO *IpIo
- );
-
-EFI_STATUS
-IpIoOpen (
- IN IP_IO *IpIo,
- IN IP_IO_OPEN_DATA *OpenData
- );
-
-EFI_STATUS
-IpIoSend (
- IN IP_IO *IpIo,
- IN NET_BUF *Pkt,
- IN IP_IO_IP_INFO *Sender,
- IN VOID *Context OPTIONAL,
- IN VOID *NotifyData OPTIONAL,
- IN IP4_ADDR Dest,
- IN IP_IO_OVERRIDE *OverrideData
- );
-
-VOID
-IpIoCancelTxToken (
- IN IP_IO *IpIo,
- IN VOID *Packet
- );
-
-IP_IO_IP_INFO *
-IpIoAddIp (
- IN IP_IO *IpIo
- );
-
-EFI_STATUS
-IpIoConfigIp (
- IN IP_IO_IP_INFO *IpInfo,
- IN OUT EFI_IP4_CONFIG_DATA *Ip4ConfigData OPTIONAL
- );
-
-VOID
-IpIoRemoveIp (
- IN IP_IO *IpIo,
- IN IP_IO_IP_INFO *IpInfo
- );
-
-IP_IO_IP_INFO *
-IpIoFindSender (
- IN OUT IP_IO **IpIo,
- IN IP4_ADDR Src
- );
-
-EFI_STATUS
-IpIoGetIcmpErrStatus (
- IN ICMP_ERROR IcmpError,
- OUT BOOLEAN *IsHard, OPTIONAL
- OUT BOOLEAN *Notify OPTIONAL
- );
-
-#endif
+\r
+typedef union {\r
+ EFI_IP4_COMPLETION_TOKEN Ip4Token;\r
+ EFI_IP6_COMPLETION_TOKEN Ip6Token;\r
+} IP_IO_IP_COMPLETION_TOKEN;\r
+\r
+typedef union {\r
+ EFI_IP4_TRANSMIT_DATA Ip4TxData;\r
+ EFI_IP6_TRANSMIT_DATA Ip6TxData;\r
+} IP_IO_IP_TX_DATA;\r
+\r
+typedef union {\r
+ EFI_IP4_RECEIVE_DATA Ip4RxData;\r
+ EFI_IP6_RECEIVE_DATA Ip6RxData;\r
+} IP_IO_IP_RX_DATA;\r
+\r
+typedef union {\r
+ EFI_IP4_OVERRIDE_DATA Ip4OverrideData;\r
+ EFI_IP6_OVERRIDE_DATA Ip6OverrideData;\r
+} IP_IO_OVERRIDE;\r
+\r
+typedef union {\r
+ EFI_IP4_CONFIG_DATA Ip4CfgData;\r
+ EFI_IP6_CONFIG_DATA Ip6CfgData;\r
+} IP_IO_IP_CONFIG_DATA;\r
+\r
+typedef union {\r
+ EFI_IP4_HEADER *Ip4Hdr;\r
+ EFI_IP6_HEADER *Ip6Hdr;\r
+} IP_IO_IP_HEADER;\r
+\r
+typedef union {\r
+ IP4_ADDR SubnetMask;\r
+ UINT8 PrefixLength;\r
+} IP_IO_IP_MASK;\r
+\r
+///\r
+/// The IP session for an IP receive packet.\r
+///\r
+typedef struct _EFI_NET_SESSION_DATA {\r
+ EFI_IP_ADDRESS Source; ///< Source IP of the received packet.\r
+ EFI_IP_ADDRESS Dest; ///< Destination IP of the received packet.\r
+ IP_IO_IP_HEADER IpHdr; ///< IP header of the received packet.\r
+ UINT32 IpHdrLen; ///< IP header length of the received packet. \r
+ ///< For IPv6, it includes the IP6 header \r
+ ///< length and extension header length. For\r
+ ///< IPv4, it includes the IP4 header length\r
+ ///< and options length.\r
+ UINT8 IpVersion; ///< The IP version of the received packet.\r
+} EFI_NET_SESSION_DATA;\r
+\r
+/**\r
+ The prototype is called back when an IP packet is received.\r
+ \r
+ @param[in] Status The result of the receive request.\r
+ @param[in] IcmpErr Valid when Status is EFI_ICMP_ERROR.\r
+ @param[in] NetSession The IP session for the received packet.\r
+ @param[in] Pkt The packet received.\r
+ @param[in] Context The data provided by the user for the received packet when\r
+ the callback is registered in IP_IO_OPEN_DATA::RcvdContext.\r
+ \r
+**/\r
+typedef\r
+VOID\r
+(EFIAPI *PKT_RCVD_NOTIFY) (\r
+ IN EFI_STATUS Status, \r
+ IN UINT8 IcmpErr,\r
+ IN EFI_NET_SESSION_DATA *NetSession,\r
+ IN NET_BUF *Pkt,\r
+ IN VOID *Context\r
+ );\r
+\r
+/**\r
+ The prototype is called back when an IP packet is sent.\r
+ \r
+ @param[in] Status Result of the IP packet being sent.\r
+ @param[in] Context The data provided by user for the received packet when\r
+ the callback is registered in IP_IO_OPEN_DATA::SndContext.\r
+ @param[in] Sender A pointer to EFI_IP4_PROTOCOL or EFI_IP6_PROTOCOL.\r
+ @param[in] NotifyData The Context data specified when calling IpIoSend()\r
+ \r
+**/\r
+typedef\r
+VOID\r
+(EFIAPI *PKT_SENT_NOTIFY) (\r
+ IN EFI_STATUS Status,\r
+ IN VOID *Context,\r
+ IN VOID *Sender,\r
+ IN VOID *NotifyData\r
+ );\r
+\r
+///\r
+/// This data structure wraps Ip4/Ip6 instances. The IpIo Library uses it for all\r
+/// Ip4/Ip6 operations.\r
+///\r
+typedef struct _IP_IO {\r
+ ///\r
+ /// The node used to link this IpIo to the active IpIo list.\r
+ ///\r
+ LIST_ENTRY Entry;\r
+\r
+ ///\r
+ /// The list used to maintain the IP instance for different sending purpose.\r
+ ///\r
+ LIST_ENTRY IpList;\r
+ \r
+ EFI_HANDLE Controller;\r
+ EFI_HANDLE Image;\r
+ EFI_HANDLE ChildHandle;\r
+ //\r
+ // The IP instance consumed by this IP_IO\r
+ //\r
+ VOID *Ip;\r
+ BOOLEAN IsConfigured;\r
+\r
+ ///\r
+ /// Some ip configuration data can be changed.\r
+ ///\r
+ UINT8 Protocol;\r
+\r
+ ///\r
+ /// Token and event used to get data from IP.\r
+ ///\r
+ IP_IO_IP_COMPLETION_TOKEN RcvToken; \r
+\r
+ ///\r
+ /// List entry used to link the token passed to IP_IO.\r
+ ///\r
+ LIST_ENTRY PendingSndList;\r
+\r
+ //\r
+ // User interface used to get notify from IP_IO\r
+ //\r
+ VOID *RcvdContext; ///< See IP_IO_OPEN_DATA::RcvdContext.\r
+ VOID *SndContext; ///< See IP_IO_OPEN_DATA::SndContext.\r
+ PKT_RCVD_NOTIFY PktRcvdNotify; ///< See IP_IO_OPEN_DATA::PktRcvdNotify.\r
+ PKT_SENT_NOTIFY PktSentNotify; ///< See IP_IO_OPEN_DATA::PktSentNotify.\r
+ UINT8 IpVersion;\r
+} IP_IO;\r
+\r
+///\r
+/// The struct is for the user to pass IP configuration and callbacks to IP_IO.\r
+/// It is used by IpIoOpen().\r
+///\r
+typedef struct _IP_IO_OPEN_DATA {\r
+ IP_IO_IP_CONFIG_DATA IpConfigData; ///< Configuration of the IP instance.\r
+ VOID *RcvdContext; ///< Context data used by receive callback.\r
+ VOID *SndContext; ///< Context data used by send callback.\r
+ PKT_RCVD_NOTIFY PktRcvdNotify; ///< Receive callback.\r
+ PKT_SENT_NOTIFY PktSentNotify; ///< Send callback.\r
+} IP_IO_OPEN_DATA;\r
+\r
+///\r
+/// Internal struct book-keeping send request of IP_IO.\r
+///\r
+/// An IP_IO_SEND_ENTRY will be created each time a send request is issued to\r
+/// IP_IO via IpIoSend().\r
+///\r
+typedef struct _IP_IO_SEND_ENTRY {\r
+ LIST_ENTRY Entry;\r
+ IP_IO *IpIo;\r
+ VOID *Context;\r
+ VOID *NotifyData;\r
+ VOID *Ip;\r
+ NET_BUF *Pkt;\r
+ IP_IO_IP_COMPLETION_TOKEN SndToken;\r
+} IP_IO_SEND_ENTRY;\r
+\r
+///\r
+/// The IP_IO_IP_INFO is used in IpIoSend() to override the default IP instance\r
+/// in IP_IO.\r
+///\r
+typedef struct _IP_IO_IP_INFO {\r
+ EFI_IP_ADDRESS Addr;\r
+ IP_IO_IP_MASK PreMask;\r
+ LIST_ENTRY Entry;\r
+ EFI_HANDLE ChildHandle;\r
+ VOID *Ip;\r
+ IP_IO_IP_COMPLETION_TOKEN DummyRcvToken;\r
+ INTN RefCnt;\r
+ UINT8 IpVersion;\r
+} IP_IO_IP_INFO;\r
+\r
+/**\r
+ Create a new IP_IO instance.\r
+ \r
+ This function uses IP4/IP6 service binding protocol in Controller to create\r
+ an IP4/IP6 child (aka IP4/IP6 instance).\r
+\r
+ @param[in] Image The image handle of the driver or application that\r
+ consumes IP_IO.\r
+ @param[in] Controller The controller handle that has IP4 or IP6 service\r
+ binding protocol installed.\r
+ @param[in] IpVersion The version of the IP protocol to use, either\r
+ IPv4 or IPv6. \r
+\r
+ @return The pointer to a newly created IP_IO instance, or NULL if failed.\r
+\r
+**/\r
+IP_IO *\r
+EFIAPI\r
+IpIoCreate (\r
+ IN EFI_HANDLE Image,\r
+ IN EFI_HANDLE Controller,\r
+ IN UINT8 IpVersion\r
+ );\r
+\r
+/**\r
+ Destroy an IP_IO instance.\r
+ \r
+ This function is paired with IpIoCreate(). The IP_IO will be closed first.\r
+ Resource will be freed afterwards. See IpIoClose().\r
+\r
+ @param[in, out] IpIo The pointer to the IP_IO instance that needs to be\r
+ destroyed.\r
+\r
+ @retval EFI_SUCCESS The IP_IO instance was destroyed successfully.\r
+ @retval Others An error condition occurred.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+IpIoDestroy (\r
+ IN OUT IP_IO *IpIo\r
+ );\r
+\r
+/**\r
+ Stop an IP_IO instance.\r
+ \r
+ This function is paired with IpIoOpen(). The IP_IO will be unconfigured, and all\r
+ pending send/receive tokens will be canceled.\r
+\r
+ @param[in, out] IpIo The pointer to the IP_IO instance that needs to stop.\r
+\r
+ @retval EFI_SUCCESS The IP_IO instance stopped successfully.\r
+ @retval Others Anrror condition occurred.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+IpIoStop (\r
+ IN OUT IP_IO *IpIo\r
+ );\r
+\r
+/**\r
+ Open an IP_IO instance for use.\r
+ \r
+ This function is called after IpIoCreate(). It is used for configuring the IP\r
+ instance and register the callbacks and their context data for sending and\r
+ receiving IP packets.\r
+\r
+ @param[in, out] IpIo The pointer to an IP_IO instance that needs\r
+ to open.\r
+ @param[in] OpenData The configuration data and callbacks for\r
+ the IP_IO instance.\r
+\r
+ @retval EFI_SUCCESS The IP_IO instance opened with OpenData\r
+ successfully.\r
+ @retval EFI_ACCESS_DENIED The IP_IO instance is configured; avoid \r
+ reopening it.\r
+ @retval Others An error condition occurred.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+IpIoOpen (\r
+ IN OUT IP_IO *IpIo,\r
+ IN IP_IO_OPEN_DATA *OpenData\r
+ );\r
+\r
+/**\r
+ Send out an IP packet.\r
+ \r
+ This function is called after IpIoOpen(). The data to be sent are wrapped in\r
+ Pkt. The IP instance wrapped in IpIo is used for sending by default, but can be\r
+ overriden by Sender. Other sending configurations, such as source address and gateway\r
+ address, are specified in OverrideData.\r
+\r
+ @param[in, out] IpIo The pointer to an IP_IO instance used for sending IP\r
+ packet.\r
+ @param[in, out] Pkt The pointer to the IP packet to be sent.\r
+ @param[in] Sender Optional. The IP protocol instance used for sending.\r
+ @param[in] Context The optional context data.\r
+ @param[in] NotifyData The optional notify data.\r
+ @param[in] Dest The destination IP address to send this packet to.\r
+ @param[in] OverrideData The data to override some configuration of the IP\r
+ instance used for sending.\r
+\r
+ @retval EFI_SUCCESS The operation completed successfully.\r
+ @retval EFI_NOT_STARTED The IpIo is not configured.\r
+ @retval EFI_OUT_OF_RESOURCES Failed due to resource limitations.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+IpIoSend (\r
+ IN OUT IP_IO *IpIo,\r
+ IN OUT NET_BUF *Pkt,\r
+ IN IP_IO_IP_INFO *Sender OPTIONAL,\r
+ IN VOID *Context OPTIONAL,\r
+ IN VOID *NotifyData OPTIONAL,\r
+ IN EFI_IP_ADDRESS *Dest,\r
+ IN IP_IO_OVERRIDE *OverrideData OPTIONAL\r
+ );\r
+\r
+/**\r
+ Cancel the IP transmit token that wraps this Packet.\r
+\r
+ @param[in] IpIo The pointer to the IP_IO instance.\r
+ @param[in] Packet The pointer to the packet of NET_BUF to cancel.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+IpIoCancelTxToken (\r
+ IN IP_IO *IpIo,\r
+ IN VOID *Packet\r
+ );\r
+\r
+/**\r
+ Add a new IP instance for sending data.\r
+ \r
+ The function is used to add the IP_IO to the IP_IO sending list. The caller\r
+ can later use IpIoFindSender() to get the IP_IO and call IpIoSend() to send\r
+ data.\r
+\r
+ @param[in, out] IpIo The pointer to an IP_IO instance to add a new IP\r
+ instance for sending purposes.\r
+\r
+ @return The pointer to the created IP_IO_IP_INFO structure; NULL if failed.\r
+\r
+**/\r
+IP_IO_IP_INFO *\r
+EFIAPI\r
+IpIoAddIp (\r
+ IN OUT IP_IO *IpIo\r
+ );\r
+\r
+/**\r
+ Configure the IP instance of this IpInfo and start the receiving if IpConfigData\r
+ is not NULL.\r
+\r
+ @param[in, out] IpInfo The pointer to the IP_IO_IP_INFO instance.\r
+ @param[in, out] IpConfigData The IP4 or IP6 configure data used to configure \r
+ the IP instance. If NULL, the IP instance is reset.\r
+ If UseDefaultAddress is set to TRUE, and the configure\r
+ operation succeeds, the default address information\r
+ is written back in this IpConfigData.\r
+\r
+ @retval EFI_SUCCESS The IP instance of this IpInfo was configured successfully,\r
+ or there is no need to reconfigure it.\r
+ @retval Others The configuration failed.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+IpIoConfigIp (\r
+ IN OUT IP_IO_IP_INFO *IpInfo,\r
+ IN OUT VOID *IpConfigData OPTIONAL\r
+ );\r
+\r
+/**\r
+ Destroy an IP instance maintained in IpIo->IpList for\r
+ sending purpose.\r
+ \r
+ This function pairs with IpIoAddIp(). The IpInfo is previously created by\r
+ IpIoAddIp(). The IP_IO_IP_INFO::RefCnt is decremented and the IP instance\r
+ will be dstroyed if the RefCnt is zero.\r
+\r
+ @param[in] IpIo The pointer to the IP_IO instance.\r
+ @param[in] IpInfo The pointer to the IpInfo to be removed.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+IpIoRemoveIp (\r
+ IN IP_IO *IpIo,\r
+ IN IP_IO_IP_INFO *IpInfo\r
+ );\r
+\r
+/**\r
+ Find the first IP protocol maintained in IpIo whose local\r
+ address is the same as Src.\r
+ \r
+ This function is called when the caller needs the IpIo to send data to the\r
+ specified Src. The IpIo was added previously by IpIoAddIp().\r
+\r
+ @param[in, out] IpIo The pointer to the pointer of the IP_IO instance.\r
+ @param[in] IpVersion The version of the IP protocol to use, either\r
+ IPv4 or IPv6.\r
+ @param[in] Src The local IP address.\r
+\r
+ @return The pointer to the IP protocol can be used for sending purpose and its local\r
+ address is the same with Src.\r
+\r
+**/\r
+IP_IO_IP_INFO *\r
+EFIAPI\r
+IpIoFindSender (\r
+ IN OUT IP_IO **IpIo,\r
+ IN UINT8 IpVersion,\r
+ IN EFI_IP_ADDRESS *Src\r
+ );\r
+\r
+/**\r
+ Get the ICMP error map information.\r
+ \r
+ The ErrorStatus will be returned. The IsHard and Notify are optional. If they\r
+ are not NULL, this routine will fill them.\r
+\r
+ @param[in] IcmpError IcmpError Type.\r
+ @param[in] IpVersion The version of the IP protocol to use,\r
+ either IPv4 or IPv6. \r
+ @param[out] IsHard If TRUE, indicates that it is a hard error.\r
+ @param[out] Notify If TRUE, SockError needs to be notified.\r
+\r
+ @return The ICMP Error Status, such as EFI_NETWORK_UNREACHABLE.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+IpIoGetIcmpErrStatus (\r
+ IN UINT8 IcmpError,\r
+ IN UINT8 IpVersion,\r
+ OUT BOOLEAN *IsHard OPTIONAL,\r
+ OUT BOOLEAN *Notify OPTIONAL\r
+ );\r
+\r
+/**\r
+ Refresh the remote peer's Neighbor Cache entries.\r
+\r
+ This function is called when the caller needs the IpIo to refresh the existing\r
+ IPv6 neighbor cache entries since the neighbor is considered reachable by the \r
+ node has recently received a confirmation that packets sent recently to the \r
+ neighbor were received by its IP layer. \r
+\r
+ @param[in] IpIo The pointer to an IP_IO instance\r
+ @param[in] Neighbor The IP address of the neighbor\r
+ @param[in] Timeout The time in 100-ns units that this entry will\r
+ remain in the neighbor cache. A value of \r
+ zero means that the entry is permanent. \r
+ A value of non-zero means that the entry is \r
+ dynamic and will be deleted after Timeout.\r
+\r
+ @retval EFI_SUCCESS The operation completed successfully.\r
+ @retval EFI_NOT_STARTED The IpIo is not configured.\r
+ @retval EFI_INVALID_PARAMETER The Neighbor Address is invalid.\r
+ @retval EFI_NOT_FOUND The neighbor cache entry is not in the \r
+ neighbor table. \r
+ @retval EFI_OUT_OF_RESOURCES Failed due to resource limitations.\r
+\r
+**/\r
+EFI_STATUS\r
+IpIoRefreshNeighbor (\r
+ IN IP_IO *IpIo,\r
+ IN EFI_IP_ADDRESS *Neighbor,\r
+ IN UINT32 Timeout \r
+ );\r
+\r
+#endif\r
+\r
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