-/** @file
- This library provides IpIo layer upon EFI IP4 Protocol.\r
-
-Copyright (c) 2005 - 2008, 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.
-
-**/
-
-#ifndef _IP_IO_H_
-#define _IP_IO_H_
-
-#include <PiDxe.h>
+/** @file\r
+ Ihis library is only intended to be used by UEFI network stack modules.\r
+ It provides the IpIo layer on the EFI IP4 Protocol.\r
+\r
+Copyright (c) 2005 - 2008, Intel Corporation.<BR>\r
+All rights reserved. This program and the accompanying materials\r
+are licensed and made available under the terms and conditions of the BSD License\r
+which accompanies this distribution. 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>
-
+\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
+/**\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 mIpIoDefaultIpConfigData;\r
+\r
+///\r
+/// This error will be delivered to the\r
+/// listening transportation layer protocol\r
+/// that consumes IpIO.\r
+///\r
typedef enum {\r
ICMP_ERR_UNREACH_NET = 0,\r
ICMP_ERR_UNREACH_HOST,\r
ICMP_ERR_PARAMPROB\r
} ICMP_ERROR;\r
\r
-typedef struct _ICMP_ERROR_INFO {\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
-
-#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.
- //
- LIST_ENTRY Entry;
-
- // the list used to maintain the IP instance for different sending purpose.
- //
- 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
- //
- 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 {
- 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 EFI_IP4_OVERRIDE_DATA IP_IO_OVERRIDE;
-
-typedef struct _IP_IO_IP_INFO {
- IP4_ADDR Addr;
- IP4_ADDR SubnetMask;
- LIST_ENTRY Entry;
- EFI_HANDLE ChildHandle;
- EFI_IP4_PROTOCOL *Ip;
- EFI_IP4_COMPLETION_TOKEN DummyRcvToken;
- INTN RefCnt;
-} IP_IO_IP_INFO;
-
+\r
+///\r
+/// The IP session for an IP receive packet.\r
+///\r
+typedef struct _EFI_NET_SESSION_DATA {\r
+ IP4_ADDR Source; ///< Source IP of the received packet\r
+ IP4_ADDR Dest; ///< Destination IP of the received packet\r
+ EFI_IP4_HEADER *IpHdr; ///< IP4 header 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 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 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
+(*PKT_RCVD_NOTIFY) (\r
+ IN EFI_STATUS Status, \r
+ IN ICMP_ERROR 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 sending\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 for sender\r
+ @param[in] NotifyData Context data specified when calling IpIoSend()\r
+ \r
+**/\r
+typedef\r
+VOID\r
+(*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 instances. The IpIo Library uses it for all\r
+/// Ip4 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
+ EFI_IP4_PROTOCOL *Ip;\r
+ BOOLEAN IsConfigured;\r
+\r
+ ///\r
+ /// Some ip config data can be changed\r
+ ///\r
+ UINT8 Protocol;\r
+\r
+ ///\r
+ /// Token and event used to get data from IP\r
+ ///\r
+ EFI_IP4_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
+} 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
+ EFI_IP4_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
+ EFI_IP4_PROTOCOL *Ip;\r
+ NET_BUF *Pkt;\r
+ EFI_IP4_COMPLETION_TOKEN *SndToken;\r
+} IP_IO_SEND_ENTRY;\r
+\r
+typedef EFI_IP4_OVERRIDE_DATA IP_IO_OVERRIDE;\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
+ IP4_ADDR Addr;\r
+ IP4_ADDR SubnetMask;\r
+ LIST_ENTRY Entry;\r
+ EFI_HANDLE ChildHandle;\r
+ EFI_IP4_PROTOCOL *Ip;\r
+ EFI_IP4_COMPLETION_TOKEN DummyRcvToken;\r
+ INTN RefCnt;\r
+} IP_IO_IP_INFO;\r
+\r
/**\r
Create a new IP_IO instance.\r
+ \r
+ This function uses IP4 service binding protocol in Controller to create an IP4\r
+ child (aka IP4 instance).\r
\r
- @param Image The image handle of an IP_IO consumer protocol.\r
- @param Controller The controller handle of an IP_IO consumer protocol\r
- installed on.\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 service binding\r
+ protocol installed.\r
\r
- @return Pointer to a newly created IP_IO instance.\r
+ @return 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
+ );\r
\r
-**/
-IP_IO *
-EFIAPI
-IpIoCreate (
- IN EFI_HANDLE Image,
- IN EFI_HANDLE Controller
- );
-
/**\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 Pointer to the IP_IO instance that needs to be\r
+ destroyed.\r
\r
- @param IpIo Pointer to the IP_IO instance that needs to\r
- destroy.\r
+ @retval EFI_SUCCESS The IP_IO instance destroyed successfully.\r
+ @retval Others Error condition occurred.\r
\r
- @retval EFI_SUCCESS The IP_IO instance destroyed successfully.\r
- @retval other Error condition occurred.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+IpIoDestroy (\r
+ IN OUT IP_IO *IpIo\r
+ );\r
\r
-**/
-EFI_STATUS
-EFIAPI
-IpIoDestroy (
- IN IP_IO *IpIo
- );
-
/**\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 IpIo Pointer to the IP_IO instance that needs to stop.\r
+ @param[in, out] IpIo Pointer to the IP_IO instance that needs to stop.\r
\r
- @retval EFI_SUCCESS The IP_IO instance stopped successfully.\r
- @retval other Error condition occurred.\r
+ @retval EFI_SUCCESS The IP_IO instance stopped successfully.\r
+ @retval Others Error condition occurred.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+IpIoStop (\r
+ IN OUT IP_IO *IpIo\r
+ );\r
\r
-**/
-EFI_STATUS
-EFIAPI
-IpIoStop (
- IN IP_IO *IpIo
- );
-
/**\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 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 to \r
+ reopen it.\r
+ @retval Others Error condition occurred.\r
\r
- @param IpIo Pointer to an IP_IO instance that needs to open.\r
- @param OpenData The configuration data for the IP_IO instance.\r
-\r
- @retval EFI_SUCCESS The IP_IO instance opened with OpenData\r
- successfully.\r
- @retval other Error condition occurred.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+IpIoOpen (\r
+ IN OUT IP_IO *IpIo,\r
+ IN IP_IO_OPEN_DATA *OpenData\r
+ );\r
\r
-**/
-EFI_STATUS
-IpIoOpen (
- IN IP_IO *IpIo,
- IN IP_IO_OPEN_DATA *OpenData
- );
-
/**\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 Pointer to an IP_IO instance used for sending IP\r
+ packet.\r
+ @param[in, out] Pkt Pointer to the IP packet to be sent.\r
+ @param[in] Sender Optional. The IP protocol instance used for sending.\r
+ @param[in] Context Optional context data.\r
+ @param[in] NotifyData 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 is completed successfully.\r
+ @retval EFI_NOT_STARTED The IpIo is not configured.\r
+ @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.\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 IP4_ADDR Dest,\r
+ IN IP_IO_OVERRIDE *OverrideData OPTIONAL\r
+ );\r
\r
- @param IpIo Pointer to an IP_IO instance used for sending IP\r
- packet.\r
- @param Pkt Pointer to the IP packet to be sent.\r
- @param Sender The IP protocol instance used for sending.\r
- @param NotifyData\r
- @param Dest The destination IP address to send this packet to.\r
- @param OverrideData The data to override some configuration of the IP\r
- instance used for sending.\r
-\r
- @retval EFI_SUCCESS The operation is completed successfully.\r
- @retval EFI_NOT_STARTED The IpIo is not configured.\r
- @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.\r
-\r
-**/
-EFI_STATUS
-EFIAPI
-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
- );
-
/**\r
- Add a new IP instance for sending data.\r
+ Cancel the IP transmit token which wraps this Packet.\r
\r
- @param IpIo Pointer to a IP_IO instance to add a new IP\r
- instance for sending purpose.\r
+ @param[in] IpIo Pointer to the IP_IO instance.\r
+ @param[in] Packet Pointer to the packet of NET_BUF to cancel.\r
\r
- @return Pointer to the created IP_IO_IP_INFO structure, NULL is failed.\r
+**/\r
+VOID\r
+EFIAPI\r
+IpIoCancelTxToken (\r
+ IN IP_IO *IpIo,\r
+ IN VOID *Packet\r
+ );\r
\r
-**/
-VOID
-EFIAPI
-IpIoCancelTxToken (
- IN IP_IO *IpIo,
- IN VOID *Packet
- );
-
/**\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 Pointer to an IP_IO instance to add a new IP\r
+ instance for sending purposes.\r
\r
- @param IpIo Pointer to a IP_IO instance to add a new IP\r
- instance for sending purpose.\r
+ @return Pointer to the created IP_IO_IP_INFO structure, NULL if failed.\r
\r
- @return Pointer to the created IP_IO_IP_INFO structure, NULL is failed.\r
+**/\r
+IP_IO_IP_INFO *\r
+EFIAPI\r
+IpIoAddIp (\r
+ IN OUT IP_IO *IpIo\r
+ );\r
\r
-**/
-IP_IO_IP_INFO *
-EFIAPI
-IpIoAddIp (
- IN IP_IO *IpIo
- );
-
/**\r
Configure the IP instance of this IpInfo and start the receiving if Ip4ConfigData\r
is not NULL.\r
\r
- @param IpInfo Pointer to the IP_IO_IP_INFO instance.\r
- @param Ip4ConfigData The IP4 configure data used to configure the ip\r
- instance, if NULL the ip instance is reseted. If\r
- UseDefaultAddress is set to TRUE, and the configure\r
- operation succeeds, the default address information\r
- is written back in this Ip4ConfigData.\r
-\r
- @retval EFI_STATUS The status returned by IP4->Configure or\r
- IP4->Receive.\r
-\r
-**/
-EFI_STATUS
-EFIAPI
-IpIoConfigIp (
- IN IP_IO_IP_INFO *IpInfo,
- IN OUT EFI_IP4_CONFIG_DATA *Ip4ConfigData OPTIONAL
- );
-
+ @param[in, out] IpInfo Pointer to the IP_IO_IP_INFO instance.\r
+ @param[in, out] Ip4ConfigData The IP4 configure data used to configure the IP\r
+ instance. If NULL, the IP instance is reset. If\r
+ UseDefaultAddress is set to TRUE, and the configure\r
+ operation succeeds, the default address information\r
+ is written back in this Ip4ConfigData.\r
+\r
+ @retval EFI_SUCCESS The IP instance of this IpInfo is configured successfully,\r
+ or there is no need to reconfigure it.\r
+ @retval Others Configuration failed.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+IpIoConfigIp (\r
+ IN OUT IP_IO_IP_INFO *IpInfo,\r
+ IN OUT EFI_IP4_CONFIG_DATA *Ip4ConfigData 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 IpIo Pointer to the IP_IO instance.\r
- @param IpInfo Pointer to the IpInfo to be removed.\r
+ @param[in] IpIo Pointer to the IP_IO instance.\r
+ @param[in] IpInfo Pointer to the IpInfo to be removed.\r
\r
- @return None.\r
+**/\r
+VOID\r
+EFIAPI\r
+IpIoRemoveIp (\r
+ IN IP_IO *IpIo,\r
+ IN IP_IO_IP_INFO *IpInfo\r
+ );\r
\r
-**/
-VOID
-EFIAPI
-IpIoRemoveIp (
- IN IP_IO *IpIo,
- IN IP_IO_IP_INFO *IpInfo
- );
-
/**\r
Find the first IP protocol maintained in IpIo whose local\r
- address is the same with Src.\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 IpIo Pointer to the pointer of the IP_IO instance.\r
- @param Src The local IP address.\r
+ @param[in, out] IpIo Pointer to the pointer of the IP_IO instance.\r
+ @param[in] Src The local IP address.\r
\r
@return Pointer to the IP protocol can be used for sending purpose and its local\r
- @return address is the same with Src.\r
-\r
-**/
-IP_IO_IP_INFO *
-EFIAPI
-IpIoFindSender (
- IN OUT IP_IO **IpIo,
- IN IP4_ADDR Src
- );
-
+ 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 IP4_ADDR Src\r
+ );\r
+\r
/**\r
- Get the ICMP error map information, the ErrorStatus will be returned.\r
- The IsHard and Notify are optional. If they are not NULL, this rouine will\r
- fill them.\r
- We move IcmpErrMap[] to local variable to enable EBC build.\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 IcmpError IcmpError Type\r
- @param IsHard Whether it is a hard error\r
- @param Notify Whether it need to notify SockError\r
+ @param[in] IcmpError IcmpError Type.\r
+ @param[out] IsHard Whether it is a hard error.\r
+ @param[out] Notify Whether it need to notify SockError.\r
\r
- @return ICMP Error Status\r
+ @return ICMP Error Status, such as EFI_NETWORK_UNREACHABLE.\r
\r
**/\r
-EFI_STATUS
-EFIAPI
-IpIoGetIcmpErrStatus (
- IN ICMP_ERROR IcmpError,
- OUT BOOLEAN *IsHard, OPTIONAL
- OUT BOOLEAN *Notify OPTIONAL
- );
-
-#endif
+EFI_STATUS\r
+EFIAPI\r
+IpIoGetIcmpErrStatus (\r
+ IN ICMP_ERROR IcmpError,\r
+ OUT BOOLEAN *IsHard OPTIONAL,\r
+ OUT BOOLEAN *Notify OPTIONAL\r
+ );\r
+\r
+#endif\r
projects / mirror_edk2.git / blobdiff