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/** @file
The internal functions and routines to transmit the IP6 packet.
Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __EFI_IP6_OUTPUT_H__
#define __EFI_IP6_OUTPUT_H__
extern UINT32 mIp6Id;
/**
Output all the available source addresses to the list entry head SourceList. The
number of source addresses are also returned.
@param[in] IpSb Points to a IP6 service binding instance.
@param[in] Destination The IPv6 destination address.
@param[out] Source The selected IPv6 source address according to
the Destination.
@retval EFI_SUCCESS The source addresses were copied to the list entry
head SourceList.
@retval EFI_NO_MAPPING The IPv6 stack is not auto configured.
**/
EFI_STATUS
Ip6SelectSourceAddress (
IN IP6_SERVICE *IpSb,
IN EFI_IPv6_ADDRESS *Destination,
OUT EFI_IPv6_ADDRESS *Source
);
/**
The default callback function for system generated packet.
It will free the packet.
@param[in] Packet The packet that transmitted.
@param[in] IoStatus The result of the transmission: succeeded or failed.
@param[in] LinkFlag Not used when transmission. Check IP6_FRAME_CALLBACK
for reference.
@param[in] Context The context provided by us.
**/
VOID
Ip6SysPacketSent (
NET_BUF *Packet,
EFI_STATUS IoStatus,
UINT32 LinkFlag,
VOID *Context
);
/**
Transmit an IP6 packet. The packet comes either from the IP6
child's consumer (IpInstance != NULL) or the IP6 driver itself
(IpInstance == NULL). It will route the packet, fragment it,
then transmit all the fragments through an interface.
@param[in] IpSb The IP6 service instance to transmit the packet.
@param[in] Interface The IP6 interface to transmit the packet. Ignored
if NULL.
@param[in] IpInstance The IP6 child that issues the transmission. It is
NULL if the packet is from the system.
@param[in] Packet The user data to send, excluding the IP header.
@param[in] Head The caller supplied header. The caller should set
the following header fields: NextHeader, HopLimit,
Src, Dest, FlowLabel, PayloadLength. This function
will fill in the Ver, TrafficClass.
@param[in] ExtHdrs The extension headers to append to the IPv6 basic
header.
@param[in] ExtHdrsLen The length of the extension headers.
@param[in] Callback The callback function to issue when transmission
completed.
@param[in] Context The opaque context for the callback.
@retval EFI_INVALID_PARAMETER Any input parameter or the packet is invalid.
@retval EFI_NO_MAPPING There is no interface to the destination.
@retval EFI_NOT_FOUND There is no route to the destination.
@retval EFI_SUCCESS The packet successfully transmitted.
@retval EFI_OUT_OF_RESOURCES Failed to finish the operation due to lack of
resources.
@retval Others Failed to transmit the packet.
**/
EFI_STATUS
Ip6Output (
IN IP6_SERVICE *IpSb,
IN IP6_INTERFACE *Interface OPTIONAL,
IN IP6_PROTOCOL *IpInstance OPTIONAL,
IN NET_BUF *Packet,
IN EFI_IP6_HEADER *Head,
IN UINT8 *ExtHdrs,
IN UINT32 ExtHdrsLen,
IN IP6_FRAME_CALLBACK Callback,
IN VOID *Context
);
/**
Remove all the frames on the interface that pass the FrameToCancel,
either queued on ARP queues, or that have already been delivered to
MNP and not yet recycled.
@param[in] Interface Interface to remove the frames from.
@param[in] IoStatus The transmit status returned to the frames' callback.
@param[in] FrameToCancel Function to select the frame to cancel; NULL to select all.
@param[in] Context Opaque parameters passed to FrameToCancel. Ignored if
FrameToCancel is NULL.
**/
VOID
Ip6CancelFrames (
IN IP6_INTERFACE *Interface,
IN EFI_STATUS IoStatus,
IN IP6_FRAME_TO_CANCEL FrameToCancel OPTIONAL,
IN VOID *Context OPTIONAL
);
/**
Cancel the Packet and all its fragments.
@param[in] IpIf The interface from which the Packet is sent.
@param[in] Packet The Packet to cancel.
@param[in] IoStatus The status returns to the sender.
**/
VOID
Ip6CancelPacket (
IN IP6_INTERFACE *IpIf,
IN NET_BUF *Packet,
IN EFI_STATUS IoStatus
);
#endif
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