Udp6Impl.h@ 77599

Last change on this file since 77599 was 58466, checked in by vboxsync, 9 years ago
EFI/Firmware: Merged in the svn:eol-style, svn:mime-type and trailing whitespace cleanup that was done after the initial UDK2014.SP1 import: svn merge ^{/vendor/edk2/UDK2014.SP1}/vendor/edk2/current .
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1	/** @file
2	Udp6 driver's whole implementation and internal data structures.
3
4	Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
5
6	This program and the accompanying materials
7	are licensed and made available under the terms and conditions of the BSD License
8	which accompanies this distribution. The full text of the license may be found at
9	http://opensource.org/licenses/bsd-license.php.
10
11	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13
14	**/
15
16	#ifndef _UDP6_IMPL_H_
17	#define _UDP6_IMPL_H_
18
19	#include <Uefi.h>
20
21	#include <Protocol/Ip6.h>
22	#include <Protocol/Udp6.h>
23
24	#include <Library/IpIoLib.h>
25	#include <Library/DebugLib.h>
26	#include <Library/UefiRuntimeServicesTableLib.h>
27	#include <Library/UefiBootServicesTableLib.h>
28	#include <Library/BaseLib.h>
29	#include <Library/UefiLib.h>
30	#include <Library/BaseMemoryLib.h>
31	#include <Library/MemoryAllocationLib.h>
32	#include <Library/DpcLib.h>
33	#include <Library/PrintLib.h>
34
35	#include "Udp6Driver.h"
36
37	extern EFI_COMPONENT_NAME2_PROTOCOL gUdp6ComponentName2;
38	extern EFI_COMPONENT_NAME_PROTOCOL gUdp6ComponentName;
39	extern EFI_UNICODE_STRING_TABLE *gUdp6ControllerNameTable;
40	extern EFI_SERVICE_BINDING_PROTOCOL mUdp6ServiceBinding;
41	extern EFI_UDP6_PROTOCOL mUdp6Protocol;
42	extern UINT16 mUdp6RandomPort;
43
44	//
45	// Define time out 50 milliseconds
46	//
47	#define UDP6_TIMEOUT_INTERVAL (50 * TICKS_PER_MS)
48	#define UDP6_HEADER_SIZE sizeof (EFI_UDP_HEADER)
49	#define UDP6_MAX_DATA_SIZE 65507
50	#define UDP6_PORT_KNOWN 1024
51
52	#define UDP6_SERVICE_DATA_SIGNATURE SIGNATURE_32 ('U', 'd', 'p', '6')
53	#define UDP6_INSTANCE_DATA_SIGNATURE SIGNATURE_32 ('U', 'd', 'p', 'S')
54
55	#define UDP6_SERVICE_DATA_FROM_THIS(a) \
56	CR ( \
57	(a), \
58	UDP6_SERVICE_DATA, \
59	ServiceBinding, \
60	UDP6_SERVICE_DATA_SIGNATURE \
61	)
62
63	#define UDP6_INSTANCE_DATA_FROM_THIS(a) \
64	CR ( \
65	(a), \
66	UDP6_INSTANCE_DATA, \
67	Udp6Proto, \
68	UDP6_INSTANCE_DATA_SIGNATURE \
69	)
70	//
71	// Udp6 service contest data
72	//
73	typedef struct _UDP6_SERVICE_DATA {
74	UINT32 Signature;
75	EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;
76	EFI_HANDLE ImageHandle;
77	EFI_HANDLE ControllerHandle;
78	LIST_ENTRY ChildrenList;
79	UINTN ChildrenNumber;
80	IP_IO *IpIo;
81	EFI_EVENT TimeoutEvent;
82	} UDP6_SERVICE_DATA;
83
84	typedef struct _UDP6_INSTANCE_DATA {
85	UINT32 Signature;
86	LIST_ENTRY Link;
87	UDP6_SERVICE_DATA *Udp6Service;
88	EFI_UDP6_PROTOCOL Udp6Proto;
89	EFI_UDP6_CONFIG_DATA ConfigData;
90	EFI_HANDLE ChildHandle;
91	BOOLEAN Configured;
92	BOOLEAN IsNoMapping;
93	NET_MAP TxTokens;
94	NET_MAP RxTokens;
95	NET_MAP McastIps;
96	LIST_ENTRY RcvdDgramQue;
97	LIST_ENTRY DeliveredDgramQue;
98	UINT16 HeadSum;
99	EFI_STATUS IcmpError;
100	IP_IO_IP_INFO *IpInfo;
101	BOOLEAN InDestroy;
102	} UDP6_INSTANCE_DATA;
103
104	typedef struct _UDP6_RXDATA_WRAP {
105	LIST_ENTRY Link;
106	NET_BUF *Packet;
107	UINT32 TimeoutTick;
108	EFI_UDP6_RECEIVE_DATA RxData;
109	} UDP6_RXDATA_WRAP;
110
111	typedef struct {
112	EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
113	UINTN NumberOfChildren;
114	EFI_HANDLE *ChildHandleBuffer;
115	} UDP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT;
116
117	/**
118	Clean the Udp service context data.
119
120	@param[in, out] Udp6Service Pointer to the UDP6_SERVICE_DATA.
121
122	**/
123	VOID
124	Udp6CleanService (
125	IN OUT UDP6_SERVICE_DATA *Udp6Service
126	);
127
128	/**
129	Create the Udp service context data.
130
131	@param[in] Udp6Service Pointer to the UDP6_SERVICE_DATA.
132	@param[in] ImageHandle The image handle of this udp6 driver.
133	@param[in] ControllerHandle The controller handle this udp6 driver binds on.
134
135	@retval EFI_SUCCESS The udp6 service context data was created and
136	initialized.
137	@retval EFI_OUT_OF_RESOURCES Cannot allocate memory.
138	@retval Others An error condition occurred.
139
140	**/
141	EFI_STATUS
142	Udp6CreateService (
143	IN UDP6_SERVICE_DATA *Udp6Service,
144	IN EFI_HANDLE ImageHandle,
145	IN EFI_HANDLE ControllerHandle
146	);
147
148	/**
149	This function cleans the udp instance.
150
151	@param[in, out] Instance Pointer to the UDP6_INSTANCE_DATA to clean.
152
153	**/
154	VOID
155	Udp6CleanInstance (
156	IN OUT UDP6_INSTANCE_DATA *Instance
157	);
158
159	/**
160	This function intializes the new created udp instance.
161
162	@param[in] Udp6Service Pointer to the UDP6_SERVICE_DATA.
163	@param[in, out] Instance Pointer to the un-initialized UDP6_INSTANCE_DATA.
164
165	**/
166	VOID
167	Udp6InitInstance (
168	IN UDP6_SERVICE_DATA *Udp6Service,
169	IN OUT UDP6_INSTANCE_DATA *Instance
170	);
171
172	/**
173	This function reports the received ICMP error.
174
175	@param[in] Instance Pointer to the udp instance context data.
176
177	**/
178	VOID
179	Udp6ReportIcmpError (
180	IN UDP6_INSTANCE_DATA *Instance
181	);
182
183	/**
184	This function copies the current operational settings of this EFI UDPv6 Protocol
185	instance into user-supplied buffers. This function is used optionally to retrieve
186	the operational mode data of underlying networks or drivers.
187
188	@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
189	@param[out] Udp6ConfigData The buffer in which the current UDP configuration
190	data is returned. This parameter is optional and
191	may be NULL.
192	@param[out] Ip6ModeData The buffer in which the current EFI IPv6 Protocol
193	mode data is returned. This parameter is optional
194	and may be NULL.
195	@param[out] MnpConfigData The buffer in which the current managed network
196	configuration data is returned. This parameter
197	is optional and may be NULL.
198	@param[out] SnpModeData The buffer in which the simple network mode data
199	is returned. This parameter is optional and may be NULL.
200
201	@retval EFI_SUCCESS The mode data was read.
202	@retval EFI_NOT_STARTED When Udp6ConfigData is queried, no configuration
203	data is available because this instance has not
204	been started.
205	@retval EFI_INVALID_PARAMETER This is NULL.
206
207	**/
208	EFI_STATUS
209	EFIAPI
210	Udp6GetModeData (
211	IN EFI_UDP6_PROTOCOL *This,
212	OUT EFI_UDP6_CONFIG_DATA *Udp6ConfigData OPTIONAL,
213	OUT EFI_IP6_MODE_DATA *Ip6ModeData OPTIONAL,
214	OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,
215	OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL
216	);
217
218	/**
219	This function is used to do the following:
220	Initialize and start this instance of the EFI UDPv6 Protocol.
221	Change the filtering rules and operational parameters.
222	Reset this instance of the EFI UDPv6 Protocol.
223
224	@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
225	@param[in] UdpConfigData Pointer to the buffer to set the configuration
226	data. This parameter is optional and may be NULL.
227
228	@retval EFI_SUCCESS The configuration settings were set, changed, or
229	reset successfully.
230	@retval EFI_NO_MAPPING When the UdpConifgData.UseAnyStationAddress is set
231	to true and there is no address available for IP6
232	driver to binding source address to this
233	instance.
234	@retval EFI_INVALID_PARAMETER One or more following conditions are TRUE:
235	This is NULL.
236	UdpConfigData.StationAddress is not a valid
237	unicast IPv6 address.
238	UdpConfigData.RemoteAddress is not a valid unicast
239	IPv6 address, if it is not zero.
240	@retval EFI_ALREADY_STARTED The EFI UDPv6 Protocol instance is already
241	started/configured and must be stopped/reset
242	before it can be reconfigured. Only TrafficClass,
243	HopLimit, ReceiveTimeout, and TransmitTimeout can
244	be reconfigured without stopping the current
245	instance of the EFI UDPv6 Protocol.
246	@retval EFI_ACCESS_DENIED UdpConfigData.AllowDuplicatePort is FALSE, and
247	UdpConfigData.StationPort is already used by another
248	instance.
249	@retval EFI_OUT_OF_RESOURCES The EFI UDPv6 Protocol driver cannot allocate
250	memory for this EFI UDPv6 Protocol instance.
251	@retval EFI_DEVICE_ERROR An unexpected network or system error occurred, and
252	this instance was not opened.
253
254	**/
255	EFI_STATUS
256	EFIAPI
257	Udp6Configure (
258	IN EFI_UDP6_PROTOCOL *This,
259	IN EFI_UDP6_CONFIG_DATA *UdpConfigData OPTIONAL
260	);
261
262	/**
263	This function places a sending request to this instance of the EFI UDPv6 Protocol,
264	alongside the transmit data that was filled by the user.
265
266	@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
267	@param[in] Token Pointer to the completion token that will be
268	placed into the transmit queue.
269
270	@retval EFI_SUCCESS The data has been queued for transmission.
271	@retval EFI_NOT_STARTED This EFI UDPv6 Protocol instance has not been
272	started.
273	@retval EFI_NO_MAPPING The under-layer IPv6 driver was responsible for
274	choosing a source address for this instance, but
275	no source address was available for use.
276	@retval EFI_INVALID_PARAMETER One or more of the following are TRUE:
277	This is NULL. Token is NULL. Token.Event is NULL.
278	Token.Packet.TxData is NULL.
279	Token.Packet.TxData.FragmentCount is zero.
280	Token.Packet.TxData.DataLength is not equal to the
281	sum of fragment lengths.
282	One or more of the
283	Token.Packet.TxData.FragmentTable[]
284	.FragmentLength fields is zero.
285	One or more of the
286	Token.Packet.TxData.FragmentTable[]
287	.FragmentBuffer fields is NULL.
288	One or more of the
289	Token.Packet.TxData.UdpSessionData.
290	DestinationAddres are not valid unicast IPv6
291	addresses, if the UdpSessionData is not NULL.
292	Token.Packet.TxData.UdpSessionData.
293	DestinationAddres is NULL
294	Token.Packet.TxData.UdpSessionData.
295	DestinatioPort is zero.
296	Token.Packet.TxData.UdpSessionData is
297	NULL and this instance's
298	UdpConfigData.RemoteAddress is unspecified.
299	@retval EFI_ACCESS_DENIED The transmit completion token with the same
300	Token.Event is already in the transmit queue.
301	@retval EFI_NOT_READY The completion token could not be queued because
302	the transmit queue is full.
303	@retval EFI_OUT_OF_RESOURCES Could not queue the transmit data.
304	@retval EFI_NOT_FOUND There is no route to the destination network or
305	address.
306	@retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP
307	packet size. Or the length of the IP header + UDP
308	header + data length is greater than MTU if
309	DoNotFragment is TRUE.
310
311	**/
312	EFI_STATUS
313	EFIAPI
314	Udp6Transmit (
315	IN EFI_UDP6_PROTOCOL *This,
316	IN EFI_UDP6_COMPLETION_TOKEN *Token
317	);
318
319	/**
320	This function places a completion token into the receive packet queue. This function
321	is always asynchronous.
322
323	@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
324	@param[in] Token Pointer to a token that is associated with the
325	receive data descriptor.
326
327	@retval EFI_SUCCESS The receive completion token is cached.
328	@retval EFI_NOT_STARTED This EFI UDPv6 Protocol instance has not been
329	started.
330	@retval EFI_NO_MAPPING When using a default address, configuration (DHCP,
331	BOOTP, RARP, etc.) is not finished yet.
332	@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
333	This is NULL.
334	Token is NULL.
335	Token.Event is NULL.
336	@retval EFI_OUT_OF_RESOURCES The receive completion token could not be queued
337	due to a lack of system resources (usually
338	memory).
339	@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
340	The EFI UDPv6 Protocol instance has been reset to
341	startup defaults.
342	@retval EFI_ACCESS_DENIED A receive completion token with the same
343	Token.Event is already in the receive queue.
344	@retval EFI_NOT_READY The receive request could not be queued because
345	the receive queue is full.
346
347	**/
348	EFI_STATUS
349	EFIAPI
350	Udp6Receive (
351	IN EFI_UDP6_PROTOCOL *This,
352	IN EFI_UDP6_COMPLETION_TOKEN *Token
353	);
354
355	/**
356	This function is used to abort a pending transmit or receive request.
357
358	@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
359	@param[in] Token Pointer to a token that has been issued by
360	EFI_UDP6_PROTOCOL.Transmit() or
361	EFI_UDP6_PROTOCOL.Receive(). This parameter is
362	optional and may be NULL.
363
364	@retval EFI_SUCCESS The asynchronous I/O request is aborted and
365	Token.Event is signaled. When Token is NULL, all
366	pending requests are aborted and their events are
367	signaled.
368	@retval EFI_INVALID_PARAMETER This is NULL.
369	@retval EFI_NOT_STARTED This instance has not been started.
370	@retval EFI_NO_MAPPING When using the default address, configuration
371	(DHCP, BOOTP, RARP, etc.) is not finished yet.
372	@retval EFI_NOT_FOUND When Token is not NULL, the asynchronous I/O
373	request is not found in the transmit or receive
374	queue. It either completed or was not issued by
375	Transmit() or Receive().
376
377	**/
378	EFI_STATUS
379	EFIAPI
380	Udp6Cancel (
381	IN EFI_UDP6_PROTOCOL *This,
382	IN EFI_UDP6_COMPLETION_TOKEN *Token OPTIONAL
383	);
384
385	/**
386	This function can be used by network drivers and applications to increase the rate that
387	data packets are moved between the communications device and the transmit/receive queues.
388
389	@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
390
391	@retval EFI_SUCCESS Incoming or outgoing data was processed.
392	@retval EFI_INVALID_PARAMETER This is NULL.
393	@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
394	@retval EFI_TIMEOUT Data was dropped out of the transmit and/or
395	receive queue.
396
397	**/
398	EFI_STATUS
399	EFIAPI
400	Udp6Poll (
401	IN EFI_UDP6_PROTOCOL *This
402	);
403
404	/**
405	This function is used to enable and disable the multicast group filtering.
406
407	@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
408	@param[in] JoinFlag Set to TRUE to join a multicast group. Set to
409	FALSE to leave one or all multicast groups.
410	@param[in] MulticastAddress Pointer to multicast group address to join or
411	leave. This parameter is optional and may be NULL.
412
413	@retval EFI_SUCCESS The operation completed successfully.
414	@retval EFI_NOT_STARTED The EFI UDPv6 Protocol instance has not been
415	started.
416	@retval EFI_OUT_OF_RESOURCES Could not allocate resources to join the group.
417	@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
418	This is NULL. JoinFlag is TRUE and
419	MulticastAddress is NULL. JoinFlag is TRUE and
420	*MulticastAddress is not a valid multicast
421	address.
422	@retval EFI_ALREADY_STARTED The group address is already in the group table
423	(when JoinFlag is TRUE).
424	@retval EFI_NOT_FOUND The group address is not in the group table (when
425	JoinFlag is FALSE).
426	@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
427
428	**/
429	EFI_STATUS
430	EFIAPI
431	Udp6Groups (
432	IN EFI_UDP6_PROTOCOL *This,
433	IN BOOLEAN JoinFlag,
434	IN EFI_IPv6_ADDRESS *MulticastAddress OPTIONAL
435	);
436
437	/**
438	This function tries to bind the udp instance according to the configured port
439	allocation stragety.
440
441	@param[in] InstanceList Pointer to the head of the list linking the udp
442	instances.
443	@param[in] ConfigData Pointer to the ConfigData of the instance to be
444	bound.
445
446	@retval EFI_SUCCESS The bound operation completed successfully.
447	@retval EFI_ACCESS_DENIED The <Address, Port> specified by the ConfigData is
448	already used by another instance.
449	@retval EFI_OUT_OF_RESOURCES No available port resources.
450
451	**/
452	EFI_STATUS
453	Udp6Bind (
454	IN LIST_ENTRY *InstanceList,
455	IN EFI_UDP6_CONFIG_DATA *ConfigData
456	);
457
458	/**
459	This function builds the Ip6 configdata from the Udp6ConfigData.
460
461	@param[in] Udp6ConfigData Pointer to the EFI_UDP6_CONFIG_DATA.
462	@param[in, out] Ip6ConfigData Pointer to the EFI_IP6_CONFIG_DATA.
463
464	**/
465	VOID
466	Udp6BuildIp6ConfigData (
467	IN EFI_UDP6_CONFIG_DATA *Udp6ConfigData,
468	IN OUT EFI_IP6_CONFIG_DATA *Ip6ConfigData
469	);
470
471	/**
472	This function checks whether the specified Token duplicates with the one in the Map.
473
474	@param[in] Map Pointer to the NET_MAP.
475	@param[in] Item Pointer to the NET_MAP_ITEM contain the pointer to
476	the Token.
477	@param[in] Context Pointer to the Token to be checked.
478
479	@retval EFI_SUCCESS The Token specified by Context differs from the
480	one in the Item.
481	@retval EFI_ACCESS_DENIED The Token duplicates with the one in the Item.
482
483	**/
484	EFI_STATUS
485	EFIAPI
486	Udp6TokenExist (
487	IN NET_MAP *Map,
488	IN NET_MAP_ITEM *Item,
489	IN VOID *Context
490	);
491
492	/**
493	This function removes the specified Token from the TokenMap.
494
495	@param[in] TokenMap Pointer to the NET_MAP containing the tokens.
496	@param[in] Token Pointer to the Token to be removed.
497
498	@retval EFI_SUCCESS The specified Token is removed from the TokenMap.
499	@retval EFI_NOT_FOUND The specified Token is not found in the TokenMap.
500
501	**/
502	EFI_STATUS
503	Udp6RemoveToken (
504	IN NET_MAP *TokenMap,
505	IN EFI_UDP6_COMPLETION_TOKEN *Token
506	);
507
508	/**
509	This function is used to check whether the NewConfigData has any un-reconfigurable
510	parameters changed compared to the OldConfigData.
511
512	@param[in] OldConfigData Pointer to the current ConfigData the udp instance
513	uses.
514	@param[in] NewConfigData Pointer to the new ConfigData.
515
516	@retval TRUE The instance is reconfigurable according to NewConfigData.
517	@retval FALSE The instance is not reconfigurable according to NewConfigData.
518
519	**/
520	BOOLEAN
521	Udp6IsReconfigurable (
522	IN EFI_UDP6_CONFIG_DATA *OldConfigData,
523	IN EFI_UDP6_CONFIG_DATA *NewConfigData
524	);
525
526	/**
527	This function removes the multicast group specified by Arg from the Map.
528
529	@param[in] Map Pointer to the NET_MAP.
530	@param[in] Item Pointer to the NET_MAP_ITEM.
531	@param[in] Arg Pointer to the Arg. It is the pointer to a
532	multicast IPv6 Address. This parameter is
533	optional and may be NULL.
534
535	@retval EFI_SUCCESS The multicast address is removed.
536	@retval EFI_ABORTED The specified multicast address is removed, and the
537	Arg is not NULL.
538
539	**/
540	EFI_STATUS
541	EFIAPI
542	Udp6LeaveGroup (
543	IN NET_MAP *Map,
544	IN NET_MAP_ITEM *Item,
545	IN VOID *Arg OPTIONAL
546	);
547
548	/**
549	This function validates the TxToken, it returns the error code according to the spec.
550
551	@param[in] Instance Pointer to the udp instance context data.
552	@param[in] TxToken Pointer to the token to be checked.
553
554	@retval EFI_SUCCESS The TxToken is valid.
555	@retval EFI_INVALID_PARAMETER One or more of the following are TRUE:
556	Token.Event is NULL.
557	Token.Packet.TxData is NULL.
558	Token.Packet.TxData.FragmentCount is zero.
559	Token.Packet.TxData.DataLength is not equal to the
560	sum of fragment lengths.
561	One or more of the
562	Token.Packet.TxData.FragmentTable[].FragmentLength
563	fields is zero.
564	One or more of the
565	Token.Packet.TxData.FragmentTable[].FragmentBuffer
566	fields is NULL.
567	UdpSessionData.DestinationAddress are not valid
568	unicast IPv6 addresses if the UdpSessionData is
569	not NULL.
570	UdpSessionData.DestinationPort and
571	ConfigData.RemotePort are all zero if the
572	UdpSessionData is not NULL.
573	@retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP
574	packet size.
575
576	**/
577	EFI_STATUS
578	Udp6ValidateTxToken (
579	IN UDP6_INSTANCE_DATA *Instance,
580	IN EFI_UDP6_COMPLETION_TOKEN *TxToken
581	);
582
583	/**
584	This function is a dummy ext-free function for the NET_BUF created for the output
585	udp datagram.
586
587	@param[in] Context Pointer to the context data.
588
589	**/
590	VOID
591	EFIAPI
592	Udp6NetVectorExtFree (
593	IN VOID *Context
594	);
595
596	/**
597	This function calculates the checksum for the Packet, utilizing the pre-calculated
598	pseudo header to reduce overhead.
599
600	@param[in] Packet Pointer to the NET_BUF contains the udp datagram.
601	@param[in] HeadSum Checksum of the pseudo header execpt the length
602	field.
603
604	@return The 16-bit checksum of this udp datagram.
605
606	**/
607	UINT16
608	Udp6Checksum (
609	IN NET_BUF *Packet,
610	IN UINT16 HeadSum
611	);
612
613	/**
614	This function delivers the received datagrams to the specified instance.
615
616	@param[in] Instance Pointer to the instance context data.
617
618	**/
619	VOID
620	Udp6InstanceDeliverDgram (
621	IN UDP6_INSTANCE_DATA *Instance
622	);
623
624	/**
625	Cancel Udp6 tokens from the Udp6 instance.
626
627	@param[in] Instance Pointer to the udp instance context data.
628	@param[in] Token Pointer to the token to be canceled. If NULL, all
629	tokens in this instance will be cancelled.
630	This parameter is optional and may be NULL.
631
632	@retval EFI_SUCCESS The Token is cancelled.
633	@retval EFI_NOT_FOUND The Token is not found.
634
635	**/
636	EFI_STATUS
637	Udp6InstanceCancelToken (
638	IN UDP6_INSTANCE_DATA *Instance,
639	IN EFI_UDP6_COMPLETION_TOKEN *Token OPTIONAL
640	);
641
642	/**
643	This function removes all the Wrap datas in the RcvdDgramQue.
644
645	@param[in] Instance Pointer to the Udp6 Instance.
646
647	**/
648	VOID
649	Udp6FlushRcvdDgram (
650	IN UDP6_INSTANCE_DATA *Instance
651	);
652
653	#endif
654

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source: vbox/trunk/src/VBox/Devices/EFI/FirmwareNew/NetworkPkg/Udp6Dxe/Udp6Impl.h@ 77599

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