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Enhance function header 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7156 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jgong5 2008-12-30 12:12:46 +00:00
parent 5b8adaa558
commit e29a2e7e80
1 changed files with 157 additions and 75 deletions
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232
MdeModulePkg/Include/Library/IpIoLib.h
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@ -42,11 +42,11 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#define ICMP_CODE_UNREACH_TOSNET 11
#define ICMP_CODE_UNREACH_TOSHOST 12
//
// this error will be delivered to the
// listening transportation layer protocol
// consuming IpIO
//
///
/// This error will be delivered to the
/// listening transportation layer protocol
/// that consumes IpIO.
///
typedef enum {
ICMP_ERR_UNREACH_NET = 0,
ICMP_ERR_UNREACH_HOST,
@ -60,93 +60,140 @@ typedef enum {
ICMP_ERR_PARAMPROB
} ICMP_ERROR;
///
/// The helper struct for IpIoGetIcmpErrStatus(). It is internal-use only.
///
typedef struct _ICMP_ERROR_INFO {
BOOLEAN IsHard;
BOOLEAN Notify;
} ICMP_ERROR_INFO;
/**
Get the IP header length from EFI_IP4_HEADER struct.
@param HdrPtr A pointer to EFI_IP4_HEADER
@return The IP header length
**/
#define EFI_IP4_HEADER_LEN(HdrPtr) ((HdrPtr)->HeaderLength << 2)
extern EFI_IP4_CONFIG_DATA mIpIoDefaultIpConfigData;
///
/// The IP session for an IP receive packet.
///
typedef struct _EFI_NET_SESSION_DATA {
IP4_ADDR Source;
IP4_ADDR Dest;
EFI_IP4_HEADER *IpHdr;
IP4_ADDR Source; ///< Source IP of the received packet
IP4_ADDR Dest; ///< Destination IP of the received packet
EFI_IP4_HEADER *IpHdr; ///< IP4 header of the received packet
} EFI_NET_SESSION_DATA;
/**
The prototype is called back when an IP packet is received.
@param Status Result of the receive request
@param IcmpErr Valid when Status is EFI_ICMP_ERROR
@param NetSession The IP session for the received packet
@param Pkt Packet received
@param Context The data provided by user for the received packet when
the callback is registered in IP_IO_OPEN_DATA::RcvdContext.
**/
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 receive data
IN EFI_STATUS Status,
IN ICMP_ERROR IcmpErr,
IN EFI_NET_SESSION_DATA *NetSession,
IN NET_BUF *Pkt,
IN VOID *Context
);
/**
The prototype is called back when an IP packet is sent.
@param Status Result of the sending
@param Context The data provided by user for the received packet when
the callback is registered in IP_IO_OPEN_DATA::SndContext.
@param Sender A pointer to EFI_IP4_PROTOCOL for sender
@param NotifyData Context data specified when calling IpIoSend()
**/
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
IN EFI_STATUS Status,
IN VOID *Context,
IN VOID *Sender,
IN VOID *NotifyData
);
///
/// The data structure wraps Ip4 instance. It is used by IpIo Library to do all
/// Ip4 operations.
///
typedef struct _IP_IO {
//
// the node used to link this IpIo to the active IpIo list.
//
///
/// 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.
//
///
/// 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;
//
// The IP instance consumed by this IP_IO
//
EFI_IP4_PROTOCOL *Ip;
BOOLEAN IsConfigured;
//
// some ip config data can be changed
//
///
/// some ip config data can be changed
///
UINT8 Protocol;
//
// token and event used to get data from IP
//
///
/// 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 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;
VOID *RcvdContext; ///< See IP_IO_OPEN_DATA::RcvdContext
VOID *SndContext; ///< See IP_IO_OPEN_DATA::SndContext
PKT_RCVD_NOTIFY PktRcvdNotify; ///< See IP_IO_OPEN_DATA::PktRcvdNotify
PKT_SENT_NOTIFY PktSentNotify; ///< See IP_IO_OPEN_DATA::PktSentNotify
} IP_IO;
///
/// The struct is used for user to pass IP configuration and callbacks to IP_IO.
/// It is used by IpIoOpen().
///
typedef struct _IP_IO_OPEN_DATA {
EFI_IP4_CONFIG_DATA IpConfigData;
VOID *RcvdContext;
VOID *SndContext;
PKT_RCVD_NOTIFY PktRcvdNotify;
PKT_SENT_NOTIFY PktSentNotify;
EFI_IP4_CONFIG_DATA IpConfigData; ///< Configuration of the IP instance
VOID *RcvdContext; ///< Context data used by receive callback
VOID *SndContext; ///< Context data used by send callback
PKT_RCVD_NOTIFY PktRcvdNotify; ///< Receive callback
PKT_SENT_NOTIFY PktSentNotify; ///< Send callback
} IP_IO_OPEN_DATA;
///
/// Internal struct book-keeping send request of IP_IO.
///
/// An IP_IO_SEND_ENTRY will be created each time a send request is issued to
/// IP_IO via IpIoSend().
///
typedef struct _IP_IO_SEND_ENTRY {
LIST_ENTRY Entry;
IP_IO *IpIo;
@ -159,6 +206,10 @@ typedef struct _IP_IO_SEND_ENTRY {
typedef EFI_IP4_OVERRIDE_DATA IP_IO_OVERRIDE;
///
/// The IP_IO_IP_INFO is used in IpIoSend() to override the default IP instance
/// in IP_IO.
///
typedef struct _IP_IO_IP_INFO {
IP4_ADDR Addr;
IP4_ADDR SubnetMask;
@ -171,12 +222,16 @@ typedef struct _IP_IO_IP_INFO {
/**
Create a new IP_IO instance.
This function uses IP4 service binding protocol in Controller to create an IP4
child (aka IP4 instance).
@param Image The image handle of an IP_IO consumer protocol.
@param Controller The controller handle of an IP_IO consumer protocol
installed on.
@param Image The image handle of the driver or application that
consumes IP_IO.
@param Controller The controller handle that has IP4 service binding
protocol installed.
@return Pointer to a newly created IP_IO instance.
@return Pointer to a newly created IP_IO instance, or NULL if failed.
**/
IP_IO *
@ -188,12 +243,15 @@ IpIoCreate (
/**
Destroy an IP_IO instance.
This function is paired with IpIoCreate(). The IP_IO will be closed first.
Resource will be freed afterwards. See IpIoClose().
@param IpIo Pointer to the IP_IO instance that needs to
destroy.
@param IpIo Pointer to the IP_IO instance that needs to be
destroyed.
@retval EFI_SUCCESS The IP_IO instance destroyed successfully.
@retval other Error condition occurred.
@retval Other Error condition occurred.
**/
EFI_STATUS
@ -204,11 +262,14 @@ IpIoDestroy (
/**
Stop an IP_IO instance.
This function is paired with IpIoOpen(). The IP_IO will be unconfigured and all
the pending send/receive tokens will be canceled.
@param IpIo Pointer to the IP_IO instance that needs to stop.
@retval EFI_SUCCESS The IP_IO instance stopped successfully.
@retval other Error condition occurred.
@retval Other Error condition occurred.
**/
EFI_STATUS
@ -219,16 +280,22 @@ IpIoStop (
/**
Open an IP_IO instance for use.
This function is called after IpIoCreate(). It is used for configuring the IP
instance and register the callbacks and their context data for sending and
receiving IP packets.
@param IpIo Pointer to an IP_IO instance that needs to open.
@param OpenData The configuration data for the IP_IO instance.
@param OpenData The configuration data and callbacks for the IP_IO
instance.
@retval EFI_SUCCESS The IP_IO instance opened with OpenData
successfully.
@retval other Error condition occurred.
@retval Other Error condition occurred.
**/
EFI_STATUS
EFIAPI
IpIoOpen (
IN IP_IO *IpIo,
IN IP_IO_OPEN_DATA *OpenData
@ -236,13 +303,18 @@ IpIoOpen (
/**
Send out an IP packet.
This function is called after IpIoOpen(). The data to be sent are wrapped in
Pkt. The IP instance wrapped in IpIo is used for sending by default but can be
overriden by Sender. Other sending configs, like source address and gateway
address etc., are specified in OverrideData.
@param IpIo Pointer to an IP_IO instance used for sending IP
packet.
@param Pkt Pointer to the IP packet to be sent.
@param Sender The IP protocol instance used for sending.
@param Context
@param NotifyData
@param Context Optional context data
@param NotifyData Optional notify data
@param Dest The destination IP address to send this packet to.
@param OverrideData The data to override some configuration of the IP
instance used for sending.
@ -257,18 +329,18 @@ 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 IP_IO_IP_INFO *Sender OPTIONAL,
IN VOID *Context OPTIONAL,
IN VOID *NotifyData OPTIONAL,
IN IP4_ADDR Dest,
IN IP_IO_OVERRIDE *OverrideData
IN IP_IO_OVERRIDE *OverrideData OPTIONAL
);
/**
Cancel the IP transmit token which wraps this Packet.
@param IpIo Pointer to the IP_IO instance.
@param Packet Pointer to the packet to cancel.
@param Packet Pointer to the packet of NET_BUF to cancel.
**/
VOID
@ -280,11 +352,15 @@ IpIoCancelTxToken (
/**
Add a new IP instance for sending data.
The function is used to add the IP_IO to the IP_IO sending list. The caller
can later use IpIoFindSender() to get the IP_IO and call IpIoSend() to send
data.
@param IpIo Pointer to a IP_IO instance to add a new IP
instance for sending purpose.
@return Pointer to the created IP_IO_IP_INFO structure, NULL is failed.
@return Pointer to the created IP_IO_IP_INFO structure, NULL if failed.
**/
IP_IO_IP_INFO *
@ -298,14 +374,15 @@ IpIoAddIp (
is not NULL.
@param IpInfo Pointer to the IP_IO_IP_INFO instance.
@param Ip4ConfigData The IP4 configure data used to configure the ip
instance, if NULL the ip instance is reseted. If
@param Ip4ConfigData The IP4 configure data used to configure the IP
instance, if NULL the IP instance is reset. If
UseDefaultAddress is set to TRUE, and the configure
operation succeeds, the default address information
is written back in this Ip4ConfigData.
@retval EFI_STATUS The status returned by IP4->Configure or
IP4->Receive.
@retval Other Configuration fails.
**/
EFI_STATUS
@ -318,12 +395,14 @@ IpIoConfigIp (
/**
Destroy an IP instance maintained in IpIo->IpList for
sending purpose.
This function pairs with IpIoAddIp(). The IpInfo is previously created by
IpIoAddIp(). The IP_IO_IP_INFO::RefCnt is decremented and the IP instance
will be dstroyed if the RefCnt is zero.
@param IpIo Pointer to the IP_IO instance.
@param IpInfo Pointer to the IpInfo to be removed.
@return None.
**/
VOID
EFIAPI
@ -335,12 +414,15 @@ IpIoRemoveIp (
/**
Find the first IP protocol maintained in IpIo whose local
address is the same with Src.
This function is called when the caller needs the IpIo to send data to the
specified Src. The IpIo was added previously by IpIoAddIp().
@param IpIo Pointer to the pointer of the IP_IO instance.
@param Src The local IP address.
@return Pointer to the IP protocol can be used for sending purpose and its local
@return address is the same with Src.
address is the same with Src.
**/
IP_IO_IP_INFO *
@ -351,10 +433,10 @@ IpIoFindSender (
);
/**
Get the ICMP error map information, the ErrorStatus will be returned.
The IsHard and Notify are optional. If they are not NULL, this rouine will
fill them.
We move IcmpErrMap[] to local variable to enable EBC build.
Get the ICMP error map information.
The ErrorStatus will be returned. The IsHard and Notify are optional. If they
are not NULL, this routine will fill them.
@param IcmpError IcmpError Type
@param IsHard Whether it is a hard error
@ -367,8 +449,8 @@ EFI_STATUS
EFIAPI
IpIoGetIcmpErrStatus (
IN ICMP_ERROR IcmpError,
OUT BOOLEAN *IsHard, OPTIONAL
OUT BOOLEAN *Notify OPTIONAL
OUT BOOLEAN *IsHard OPTIONAL,
OUT BOOLEAN *Notify OPTIONAL
);
#endif