[mirror_edk2.git] / MdePkg / Include / Protocol / Udp4.h

/** @file\r
  Copyright (c) 2006, Intel Corporation                                                         \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
  Module Name:  Udp4.h\r
\r
**/\r
\r
#ifndef __EFI_UDP4_PROTOCOL_H__\r
#define __EFI_UDP4_PROTOCOL_H__\r
\r
#include <Protocol/Ip4.h>\r
//\r
//GUID definitions\r
//\r
#define EFI_UDP4_SERVICE_BINDING_PROTOCOL_GUID \\r
  { \\r
    0x83f01464, 0x99bd, 0x45e5, {0xb3, 0x83, 0xaf, 0x63, 0x05, 0xd8, 0xe9, 0xe6 } \\r
  }\r
\r
#define EFI_UDP4_PROTOCOL_GUID \\r
  { \\r
    0x3ad9df29, 0x4501, 0x478d, {0xb1, 0xf8, 0x7f, 0x7f, 0xe7, 0x0e, 0x50, 0xf3 } \\r
  }\r
\r
typedef struct _EFI_UDP4_PROTOCOL EFI_UDP4_PROTOCOL; \r
  \r
typedef struct {\r
  EFI_HANDLE              InstanceHandle;\r
  EFI_IPv4_ADDRESS        LocalAddress;\r
  UINT16                  LocalPort;\r
  EFI_IPv4_ADDRESS        RemoteAddress;\r
  UINT16                  RemotePort;\r
} EFI_UDP4_SERVICE_POINT; \r
\r
typedef struct {\r
  EFI_HANDLE              DriverHandle;\r
  UINT32                  ServiceCount;\r
  EFI_UDP4_SERVICE_POINT  Services[1];\r
} EFI_UDP4_VARIABLE_DATA;\r
\r
//\r
//ICMP error definitions\r
//\r
#define EFI_NETWORK_UNREACHABLE      EFIERR(100)\r
#define EFI_HOST_UNREACHABLE         EFIERR(101) \r
#define EFI_PROTOCOL_UNREACHABLE     EFIERR(102)\r
#define EFI_PORT_UNREACHABLE         EFIERR(103)\r
\r
\r
typedef struct {\r
  UINT32             FragmentLength;\r
  VOID               *FragmentBuffer;\r
} EFI_UDP4_FRAGMENT_DATA;\r
\r
typedef struct {\r
  EFI_IPv4_ADDRESS   SourceAddress;\r
  UINT16             SourcePort;\r
  EFI_IPv4_ADDRESS   DestinationAddress;\r
  UINT16             DestinationPort;\r
} EFI_UDP4_SESSION_DATA;\r
typedef struct {\r
  //\r
  // Receiving Filters\r
  //\r
  BOOLEAN            AcceptBroadcast;\r
  BOOLEAN            AcceptPromiscuous;\r
  BOOLEAN            AcceptAnyPort;\r
  BOOLEAN            AllowDuplicatePort;\r
  //\r
  // I/O parameters\r
  //\r
  UINT8              TypeOfService;\r
  UINT8              TimeToLive;\r
  BOOLEAN            DoNotFragment;\r
  UINT32             ReceiveTimeout;\r
  UINT32             TransmitTimeout;\r
  //\r
  // Access Point\r
  //\r
  BOOLEAN            UseDefaultAddress;\r
  EFI_IPv4_ADDRESS   StationAddress;\r
  EFI_IPv4_ADDRESS   SubnetMask;\r
  UINT16             StationPort;\r
  EFI_IPv4_ADDRESS   RemoteAddress;\r
  UINT16             RemotePort;\r
} EFI_UDP4_CONFIG_DATA;\r
\r
typedef struct {\r
  EFI_UDP4_SESSION_DATA     *UdpSessionData;       //OPTIONAL\r
  EFI_IPv4_ADDRESS          *GatewayAddress;       //OPTIONAL\r
  UINT32                    DataLength;\r
  UINT32                    FragmentCount; \r
  EFI_UDP4_FRAGMENT_DATA    FragmentTable[1];\r
} EFI_UDP4_TRANSMIT_DATA;\r
\r
typedef struct {\r
  EFI_TIME                  TimeStamp;\r
  EFI_EVENT                 RecycleSignal;\r
  EFI_UDP4_SESSION_DATA     UdpSession;\r
  UINT32                    DataLength;\r
  UINT32                    FragmentCount;\r
  EFI_UDP4_FRAGMENT_DATA    FragmentTable[1];\r
} EFI_UDP4_RECEIVE_DATA;\r
\r
\r
typedef struct {\r
  EFI_EVENT                 Event;\r
  EFI_STATUS                Status;\r
  union {\r
    EFI_UDP4_RECEIVE_DATA   *RxData;\r
    EFI_UDP4_TRANSMIT_DATA  *TxData;\r
  } Packet;\r
} EFI_UDP4_COMPLETION_TOKEN;\r
\r
/**\r
  Reads the current operational settings.\r
\r
  @param  This           Pointer to the EFI_UDP4_PROTOCOL instance.\r
  @param  Udp4ConfigData Pointer to the buffer to receive the current configuration data.\r
  @param  Ip4ModeData    Pointer to the EFI IPv4 Protocol mode data structure.\r
  @param  MnpConfigData  Pointer to the managed network configuration data structure.\r
  @param  SnpModeData    Pointer to the simple network mode data structure.\r
\r
  @retval EFI_SUCCESS           The mode data was read.\r
  @retval EFI_NOT_STARTED       When Udp4ConfigData is queried, no configuration data is\r
                                available because this instance has not been started.\r
  @retval EFI_INVALID_PARAMETER This is NULL.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_UDP4_GET_MODE_DATA) (\r
  IN  EFI_UDP4_PROTOCOL                *This,\r
  OUT EFI_UDP4_CONFIG_DATA             *Udp4ConfigData OPTIONAL,\r
  OUT EFI_IP4_MODE_DATA                *Ip4ModeData    OPTIONAL,\r
  OUT EFI_MANAGED_NETWORK_CONFIG_DATA  *MnpConfigData  OPTIONAL,\r
  OUT EFI_SIMPLE_NETWORK_MODE          *SnpModeData    OPTIONAL\r
  )\r
;  \r
  \r
\r
/**\r
  Initializes, changes, or resets the operational parameters for this instance of the EFI UDPv4\r
  Protocol.\r
\r
  @param  This           Pointer to the EFI_UDP4_PROTOCOL instance.\r
  @param  Udp4ConfigData Pointer to the buffer to receive the current configuration data.\r
\r
  @retval EFI_SUCCESS           The configuration settings were set, changed, or reset successfully.\r
  @retval EFI_NO_MAPPING        When using a default address, configuration (DHCP, BOOTP,\r
                                RARP, etc.) is not finished yet.\r
  @retval EFI_INVALID_PARAMETER One or more following conditions are TRUE:\r
  @retval EFI_ALREADY_STARTED   The EFI UDPv4 Protocol instance is already started/configured\r
                                and must be stopped/reset before it can be reconfigured.\r
  @retval EFI_ACCESS_DENIED     UdpConfigData. AllowDuplicatePort is FALSE\r
                                and UdpConfigData.StationPort is already used by\r
                                other instance.\r
  @retval EFI_OUT_OF_RESOURCES  The EFI UDPv4 Protocol driver cannot allocate memory for this\r
                                EFI UDPv4 Protocol instance.\r
  @retval EFI_DEVICE_ERROR      An unexpected network or system error occurred and this instance\r
                                 was not opened. \r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_UDP4_CONFIGURE) (\r
  IN EFI_UDP4_PROTOCOL      *This,\r
  IN EFI_UDP4_CONFIG_DATA   *UdpConfigData OPTIONAL\r
  )\r
;  \r
\r
/**\r
  Joins and leaves multicast groups.\r
\r
  @param  This             Pointer to the EFI_UDP4_PROTOCOL instance.\r
  @param  JoinFlag         Set to TRUE to join a multicast group. Set to FALSE to leave one\r
                           or all multicast groups.\r
  @param  MulticastAddress Pointer to multicast group address to join or leave.\r
\r
  @retval EFI_SUCCESS           The operation completed successfully.\r
  @retval EFI_NOT_STARTED       The EFI UDPv4 Protocol instance has not been started.\r
  @retval EFI_NO_MAPPING        When using a default address, configuration (DHCP, BOOTP,\r
                                RARP, etc.) is not finished yet.\r
  @retval EFI_OUT_OF_RESOURCES  Could not allocate resources to join the group.\r
  @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r
                                - This is NULL.\r
                                - JoinFlag is TRUE and MulticastAddress is NULL.\r
                                - JoinFlag is TRUE and *MulticastAddress is not\r
                                  a valid multicast address.\r
  @retval EFI_ALREADY_STARTED   The group address is already in the group table (when\r
                                JoinFlag is TRUE).\r
  @retval EFI_NOT_FOUND         The group address is not in the group table (when JoinFlag is\r
                                FALSE).\r
  @retval EFI_DEVICE_ERROR      An unexpected system or network error occurred.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_UDP4_GROUPS) (\r
  IN EFI_UDP4_PROTOCOL      *This,\r
  IN BOOLEAN                JoinFlag,\r
  IN EFI_IPv4_ADDRESS       *MulticastAddress    OPTIONAL\r
  )\r
;   \r
\r
/**\r
  Adds and deletes routing table entries.\r
\r
  @param  This           Pointer to the EFI_UDP4_PROTOCOL instance.\r
  @param  DeleteRoute    Set to TRUE to delete this route from the routing table.\r
                         Set to FALSE to add this route to the routing table.\r
  @param  SubnetAddress  The destination network address that needs to be routed.\r
  @param  SubnetMask     The subnet mask of SubnetAddress.\r
  @param  GatewayAddress The gateway IP address for this route.\r
\r
  @retval EFI_SUCCESS           The operation completed successfully.\r
  @retval EFI_NOT_STARTED       The EFI UDPv4 Protocol instance has not been started.\r
  @retval EFI_NO_MAPPING        When using a default address, configuration (DHCP, BOOTP,\r
                                - RARP, etc.) is not finished yet.\r
  @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
  @retval EFI_OUT_OF_RESOURCES  Could not add the entry to the routing table.\r
  @retval EFI_NOT_FOUND         This route is not in the routing table.\r
  @retval EFI_ACCESS_DENIED     The route is already defined in the routing table.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_UDP4_ROUTES) (\r
  IN EFI_UDP4_PROTOCOL      *This,\r
  IN BOOLEAN                DeleteRoute,\r
  IN EFI_IPv4_ADDRESS       *SubnetAddress,\r
  IN EFI_IPv4_ADDRESS       *SubnetMask,\r
  IN EFI_IPv4_ADDRESS       *GatewayAddress\r
  )\r
;     \r
\r
/**\r
  Polls for incoming data packets and processes outgoing data packets.\r
\r
  @param  This Pointer to the EFI_UDP4_PROTOCOL instance.\r
\r
  @retval EFI_SUCCESS           Incoming or outgoing data was processed.\r
  @retval EFI_INVALID_PARAMETER This is NULL.\r
  @retval EFI_DEVICE_ERROR      An unexpected system or network error occurred.\r
  @retval EFI_TIMEOUT           Data was dropped out of the transmit and/or receive queue.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_UDP4_POLL) (\r
  IN EFI_UDP4_PROTOCOL      *This\r
  )\r
;   \r
\r
/**\r
  Places an asynchronous receive request into the receiving queue.\r
\r
  @param  This  Pointer to the EFI_UDP4_PROTOCOL instance.\r
  @param  Token Pointer to a token that is associated with the receive data\r
                descriptor.\r
\r
  @retval EFI_SUCCESS           The receive completion token was cached.\r
  @retval EFI_NOT_STARTED       This EFI UDPv4 Protocol instance has not been started.\r
  @retval EFI_NO_MAPPING        When using a default address, configuration (DHCP, BOOTP, RARP, etc.)\r
                                is not finished yet.\r
  @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r
  @retval EFI_OUT_OF_RESOURCES  The receive completion token could not be queued due to a lack of system\r
                                resources (usually memory).\r
  @retval EFI_DEVICE_ERROR      An unexpected system or network error occurred.\r
  @retval EFI_ACCESS_DENIED     A receive completion token with the same Token.Event was already in\r
                                the receive queue.\r
  @retval EFI_NOT_READY         The receive request could not be queued because the receive queue is full.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_UDP4_RECEIVE) (\r
  IN EFI_UDP4_PROTOCOL          *This,\r
  IN EFI_UDP4_COMPLETION_TOKEN  *Token\r
  )\r
;   \r
\r
/**\r
  Queues outgoing data packets into the transmit queue.\r
\r
  @param  This  Pointer to the EFI_UDP4_PROTOCOL instance.\r
  @param  Token Pointer to the completion token that will be placed into the\r
                transmit queue.\r
\r
  @retval EFI_SUCCESS           The data has been queued for transmission.\r
  @retval EFI_NOT_STARTED       This EFI UDPv4 Protocol instance has not been started.\r
  @retval EFI_NO_MAPPING        When using a default address, configuration (DHCP, BOOTP,\r
                                RARP, etc.) is not finished yet.\r
  @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
  @retval EFI_ACCESS_DENIED     The transmit completion token with the same\r
                                Token.Event was already in the transmit queue.\r
  @retval EFI_NOT_READY         The completion token could not be queued because the\r
                                transmit queue is full.\r
  @retval EFI_OUT_OF_RESOURCES  Could not queue the transmit data.\r
  @retval EFI_NOT_FOUND         There is no route to the destination network or address.\r
  @retval EFI_BAD_BUFFER_SIZE   The data length is greater than the maximum UDP packet\r
                                size. Or the length of the IP header + UDP header + data\r
                                length is greater than MTU if DoNotFragment is TRUE.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_UDP4_TRANSMIT) (\r
  IN EFI_UDP4_PROTOCOL           *This,\r
  IN EFI_UDP4_COMPLETION_TOKEN   *Token\r
  )\r
;     \r
\r
/**\r
  Aborts an asynchronous transmit or receive request.\r
\r
  @param  This  Pointer to the EFI_UDP4_PROTOCOL instance.\r
  @param  Token Pointer to a token that has been issued by\r
                EFI_UDP4_PROTOCOL.Transmit() or\r
                EFI_UDP4_PROTOCOL.Receive().If NULL, all pending\r
                tokens are aborted.\r
\r
  @retval  EFI_SUCCESS           The asynchronous I/O request was aborted and Token.Event\r
                                 was signaled. When Token is NULL, all pending requests are\r
                                 aborted and their events are signaled.\r
  @retval  EFI_INVALID_PARAMETER This is NULL.\r
  @retval  EFI_NOT_STARTED       This instance has not been started.\r
  @retval  EFI_NO_MAPPING        When using the default address, configuration (DHCP, BOOTP,\r
                                 RARP, etc.) is not finished yet.\r
  @retval  EFI_NOT_FOUND         When Token is not NULL, the asynchronous I/O request was\r
                                 not found in the transmit or receive queue. It has either completed\r
                                 or was not issued by Transmit() and Receive().\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_UDP4_CANCEL)(\r
  IN EFI_UDP4_PROTOCOL          *This,\r
  IN EFI_UDP4_COMPLETION_TOKEN  *Token  OPTIONAL\r
  )\r
;       \r
\r
struct _EFI_UDP4_PROTOCOL {\r
  EFI_UDP4_GET_MODE_DATA        GetModeData;\r
  EFI_UDP4_CONFIGURE            Configure;\r
  EFI_UDP4_GROUPS               Groups;\r
  EFI_UDP4_ROUTES               Routes;\r
  EFI_UDP4_TRANSMIT             Transmit;\r
  EFI_UDP4_RECEIVE              Receive;\r
  EFI_UDP4_CANCEL               Cancel;\r
  EFI_UDP4_POLL                 Poll;\r
};\r
\r
extern EFI_GUID gEfiUdp4ServiceBindingProtocolGuid;\r
extern EFI_GUID gEfiUdp4ProtocolGuid;\r
\r
#endif\r
Commit	Line	Data
d1f95000	1	/** @file\r
	2	Copyright (c) 2006, Intel Corporation \r
	3	All rights reserved. This program and the accompanying materials \r
	4	are licensed and made available under the terms and conditions of the BSD License \r
	5	which accompanies this distribution. The full text of the license may be found at \r
	6	http://opensource.org/licenses/bsd-license.php \r
	7	\r
	8	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
	9	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
	10	\r
	11	Module Name: Udp4.h\r
	12	\r
	13	**/\r
	14	\r
	15	#ifndef __EFI_UDP4_PROTOCOL_H__\r
	16	#define __EFI_UDP4_PROTOCOL_H__\r
	17	\r
	18	#include <Protocol/Ip4.h>\r
	19	//\r
	20	//GUID definitions\r
	21	//\r
	22	#define EFI_UDP4_SERVICE_BINDING_PROTOCOL_GUID \\r
	23	{ \\r
	24	0x83f01464, 0x99bd, 0x45e5, {0xb3, 0x83, 0xaf, 0x63, 0x05, 0xd8, 0xe9, 0xe6 } \\r
	25	}\r
	26	\r
	27	#define EFI_UDP4_PROTOCOL_GUID \\r
	28	{ \\r
	29	0x3ad9df29, 0x4501, 0x478d, {0xb1, 0xf8, 0x7f, 0x7f, 0xe7, 0x0e, 0x50, 0xf3 } \\r
	30	}\r
	31	\r
	32	typedef struct _EFI_UDP4_PROTOCOL EFI_UDP4_PROTOCOL; \r
	33	\r
	34	typedef struct {\r
	35	EFI_HANDLE InstanceHandle;\r
	36	EFI_IPv4_ADDRESS LocalAddress;\r
	37	UINT16 LocalPort;\r
	38	EFI_IPv4_ADDRESS RemoteAddress;\r
	39	UINT16 RemotePort;\r
	40	} EFI_UDP4_SERVICE_POINT; \r
	41	\r
	42	typedef struct {\r
	43	EFI_HANDLE DriverHandle;\r
	44	UINT32 ServiceCount;\r
	45	EFI_UDP4_SERVICE_POINT Services[1];\r
	46	} EFI_UDP4_VARIABLE_DATA;\r
	47	\r
	48	//\r
	49	//ICMP error definitions\r
	50	//\r
	51	#define EFI_NETWORK_UNREACHABLE EFIERR(100)\r
	52	#define EFI_HOST_UNREACHABLE EFIERR(101) \r
	53	#define EFI_PROTOCOL_UNREACHABLE EFIERR(102)\r
	54	#define EFI_PORT_UNREACHABLE EFIERR(103)\r
	55	\r
	56	\r
	57	typedef struct {\r
	58	UINT32 FragmentLength;\r
	59	VOID *FragmentBuffer;\r
	60	} EFI_UDP4_FRAGMENT_DATA;\r
	61	\r
	62	typedef struct {\r
	63	EFI_IPv4_ADDRESS SourceAddress;\r
	64	UINT16 SourcePort;\r
65	EFI_IPv4_ADDRESS DestinationAddress;\r
66	UINT16 DestinationPort;\r
67	} EFI_UDP4_SESSION_DATA;\r
68	typedef struct {\r
69	//\r
70	// Receiving Filters\r
71	//\r
72	BOOLEAN AcceptBroadcast;\r
73	BOOLEAN AcceptPromiscuous;\r
74	BOOLEAN AcceptAnyPort;\r
75	BOOLEAN AllowDuplicatePort;\r
76	//\r
77	// I/O parameters\r
78	//\r
79	UINT8 TypeOfService;\r
80	UINT8 TimeToLive;\r
81	BOOLEAN DoNotFragment;\r
82	UINT32 ReceiveTimeout;\r
83	UINT32 TransmitTimeout;\r
84	//\r
85	// Access Point\r
86	//\r
87	BOOLEAN UseDefaultAddress;\r
88	EFI_IPv4_ADDRESS StationAddress;\r
89	EFI_IPv4_ADDRESS SubnetMask;\r
90	UINT16 StationPort;\r
91	EFI_IPv4_ADDRESS RemoteAddress;\r
92	UINT16 RemotePort;\r
93	} EFI_UDP4_CONFIG_DATA;\r
94	\r
95	typedef struct {\r
96	EFI_UDP4_SESSION_DATA *UdpSessionData; //OPTIONAL\r
97	EFI_IPv4_ADDRESS *GatewayAddress; //OPTIONAL\r
98	UINT32 DataLength;\r
99	UINT32 FragmentCount; \r
100	EFI_UDP4_FRAGMENT_DATA FragmentTable[1];\r
101	} EFI_UDP4_TRANSMIT_DATA;\r
102	\r
103	typedef struct {\r
104	EFI_TIME TimeStamp;\r
105	EFI_EVENT RecycleSignal;\r
106	EFI_UDP4_SESSION_DATA UdpSession;\r
107	UINT32 DataLength;\r
108	UINT32 FragmentCount;\r
109	EFI_UDP4_FRAGMENT_DATA FragmentTable[1];\r
110	} EFI_UDP4_RECEIVE_DATA;\r
111	\r
112	\r
113	typedef struct {\r
114	EFI_EVENT Event;\r
115	EFI_STATUS Status;\r
116	union {\r
117	EFI_UDP4_RECEIVE_DATA *RxData;\r
118	EFI_UDP4_TRANSMIT_DATA *TxData;\r
119	} Packet;\r
120	} EFI_UDP4_COMPLETION_TOKEN;\r
121	\r
122	/**\r
123	Reads the current operational settings.\r
124	\r
125	@param This Pointer to the EFI_UDP4_PROTOCOL instance.\r
126	@param Udp4ConfigData Pointer to the buffer to receive the current configuration data.\r
127	@param Ip4ModeData Pointer to the EFI IPv4 Protocol mode data structure.\r
128	@param MnpConfigData Pointer to the managed network configuration data structure.\r
129	@param SnpModeData Pointer to the simple network mode data structure.\r
130	\r
131	@retval EFI_SUCCESS The mode data was read.\r
132	@retval EFI_NOT_STARTED When Udp4ConfigData is queried, no configuration data is\r
133	available because this instance has not been started.\r
134	@retval EFI_INVALID_PARAMETER This is NULL.\r
135	\r
136	**/\r
137	typedef\r
138	EFI_STATUS\r
139	(EFIAPI *EFI_UDP4_GET_MODE_DATA) (\r
140	IN EFI_UDP4_PROTOCOL *This,\r
141	OUT EFI_UDP4_CONFIG_DATA *Udp4ConfigData OPTIONAL,\r
142	OUT EFI_IP4_MODE_DATA *Ip4ModeData OPTIONAL,\r
143	OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,\r
144	OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL\r
145	)\r
146	; \r
147	\r
148	\r
149	/**\r
150	Initializes, changes, or resets the operational parameters for this instance of the EFI UDPv4\r
151	Protocol.\r
152	\r
153	@param This Pointer to the EFI_UDP4_PROTOCOL instance.\r
154	@param Udp4ConfigData Pointer to the buffer to receive the current configuration data.\r
155	\r
156	@retval EFI_SUCCESS The configuration settings were set, changed, or reset successfully.\r
157	@retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,\r
158	RARP, etc.) is not finished yet.\r
159	@retval EFI_INVALID_PARAMETER One or more following conditions are TRUE:\r
160	@retval EFI_ALREADY_STARTED The EFI UDPv4 Protocol instance is already started/configured\r
161	and must be stopped/reset before it can be reconfigured.\r
162	@retval EFI_ACCESS_DENIED UdpConfigData. AllowDuplicatePort is FALSE\r
163	and UdpConfigData.StationPort is already used by\r
164	other instance.\r
165	@retval EFI_OUT_OF_RESOURCES The EFI UDPv4 Protocol driver cannot allocate memory for this\r
166	EFI UDPv4 Protocol instance.\r
167	@retval EFI_DEVICE_ERROR An unexpected network or system error occurred and this instance\r
168	was not opened. \r
169	\r
170	**/\r
171	typedef\r
172	EFI_STATUS\r
173	(EFIAPI *EFI_UDP4_CONFIGURE) (\r
174	IN EFI_UDP4_PROTOCOL *This,\r
175	IN EFI_UDP4_CONFIG_DATA *UdpConfigData OPTIONAL\r
176	)\r
177	; \r
178	\r
179	/**\r
180	Joins and leaves multicast groups.\r
181	\r
182	@param This Pointer to the EFI_UDP4_PROTOCOL instance.\r
183	@param JoinFlag Set to TRUE to join a multicast group. Set to FALSE to leave one\r
184	or all multicast groups.\r
185	@param MulticastAddress Pointer to multicast group address to join or leave.\r
186	\r
187	@retval EFI_SUCCESS The operation completed successfully.\r
188	@retval EFI_NOT_STARTED The EFI UDPv4 Protocol instance has not been started.\r
189	@retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,\r
190	RARP, etc.) is not finished yet.\r
191	@retval EFI_OUT_OF_RESOURCES Could not allocate resources to join the group.\r
192	@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r
193	- This is NULL.\r
194	- JoinFlag is TRUE and MulticastAddress is NULL.\r
195	- JoinFlag is TRUE and *MulticastAddress is not\r
196	a valid multicast address.\r
197	@retval EFI_ALREADY_STARTED The group address is already in the group table (when\r
198	JoinFlag is TRUE).\r
199	@retval EFI_NOT_FOUND The group address is not in the group table (when JoinFlag is\r
200	FALSE).\r
201	@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r
202	\r
203	**/\r
204	typedef\r
205	EFI_STATUS\r
206	(EFIAPI *EFI_UDP4_GROUPS) (\r
207	IN EFI_UDP4_PROTOCOL *This,\r
208	IN BOOLEAN JoinFlag,\r
209	IN EFI_IPv4_ADDRESS *MulticastAddress OPTIONAL\r
210	)\r
211	; \r
212	\r
213	/**\r
214	Adds and deletes routing table entries.\r
215	\r
216	@param This Pointer to the EFI_UDP4_PROTOCOL instance.\r
217	@param DeleteRoute Set to TRUE to delete this route from the routing table.\r
218	Set to FALSE to add this route to the routing table.\r
219	@param SubnetAddress The destination network address that needs to be routed.\r
220	@param SubnetMask The subnet mask of SubnetAddress.\r
221	@param GatewayAddress The gateway IP address for this route.\r
222	\r
223	@retval EFI_SUCCESS The operation completed successfully.\r
224	@retval EFI_NOT_STARTED The EFI UDPv4 Protocol instance has not been started.\r
225	@retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,\r
226	- RARP, etc.) is not finished yet.\r
227	@retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
228	@retval EFI_OUT_OF_RESOURCES Could not add the entry to the routing table.\r
229	@retval EFI_NOT_FOUND This route is not in the routing table.\r
230	@retval EFI_ACCESS_DENIED The route is already defined in the routing table.\r
231	\r
232	**/\r
233	typedef\r
234	EFI_STATUS\r
235	(EFIAPI *EFI_UDP4_ROUTES) (\r
236	IN EFI_UDP4_PROTOCOL *This,\r
237	IN BOOLEAN DeleteRoute,\r
238	IN EFI_IPv4_ADDRESS *SubnetAddress,\r
239	IN EFI_IPv4_ADDRESS *SubnetMask,\r
240	IN EFI_IPv4_ADDRESS *GatewayAddress\r
241	)\r
242	; \r
243	\r
244	/**\r
245	Polls for incoming data packets and processes outgoing data packets.\r
246	\r
247	@param This Pointer to the EFI_UDP4_PROTOCOL instance.\r
248	\r
249	@retval EFI_SUCCESS Incoming or outgoing data was processed.\r
250	@retval EFI_INVALID_PARAMETER This is NULL.\r
251	@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r
252	@retval EFI_TIMEOUT Data was dropped out of the transmit and/or receive queue.\r
253	\r
254	**/\r
255	typedef\r
256	EFI_STATUS\r
257	(EFIAPI *EFI_UDP4_POLL) (\r
258	IN EFI_UDP4_PROTOCOL *This\r
259	)\r
260	; \r
261	\r
262	/**\r
263	Places an asynchronous receive request into the receiving queue.\r
264	\r
265	@param This Pointer to the EFI_UDP4_PROTOCOL instance.\r
266	@param Token Pointer to a token that is associated with the receive data\r
267	descriptor.\r
268	\r
269	@retval EFI_SUCCESS The receive completion token was cached.\r
270	@retval EFI_NOT_STARTED This EFI UDPv4 Protocol instance has not been started.\r
271	@retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP, RARP, etc.)\r
272	is not finished yet.\r
273	@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r
274	@retval EFI_OUT_OF_RESOURCES The receive completion token could not be queued due to a lack of system\r
275	resources (usually memory).\r
276	@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r
277	@retval EFI_ACCESS_DENIED A receive completion token with the same Token.Event was already in\r
278	the receive queue.\r
279	@retval EFI_NOT_READY The receive request could not be queued because the receive queue is full.\r
280	\r
281	**/\r
282	typedef\r
283	EFI_STATUS\r
284	(EFIAPI *EFI_UDP4_RECEIVE) (\r
285	IN EFI_UDP4_PROTOCOL *This,\r
286	IN EFI_UDP4_COMPLETION_TOKEN *Token\r
287	)\r
288	; \r
289	\r
290	/**\r
291	Queues outgoing data packets into the transmit queue.\r
292	\r
293	@param This Pointer to the EFI_UDP4_PROTOCOL instance.\r
294	@param Token Pointer to the completion token that will be placed into the\r
295	transmit queue.\r
296	\r
297	@retval EFI_SUCCESS The data has been queued for transmission.\r
298	@retval EFI_NOT_STARTED This EFI UDPv4 Protocol instance has not been started.\r
299	@retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,\r
300	RARP, etc.) is not finished yet.\r
301	@retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
302	@retval EFI_ACCESS_DENIED The transmit completion token with the same\r
303	Token.Event was already in the transmit queue.\r
304	@retval EFI_NOT_READY The completion token could not be queued because the\r
305	transmit queue is full.\r
306	@retval EFI_OUT_OF_RESOURCES Could not queue the transmit data.\r
307	@retval EFI_NOT_FOUND There is no route to the destination network or address.\r
308	@retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP packet\r
309	size. Or the length of the IP header + UDP header + data\r
310	length is greater than MTU if DoNotFragment is TRUE.\r
311	\r
312	**/\r
313	typedef\r
314	EFI_STATUS\r
315	(EFIAPI *EFI_UDP4_TRANSMIT) (\r
316	IN EFI_UDP4_PROTOCOL *This,\r
317	IN EFI_UDP4_COMPLETION_TOKEN *Token\r
318	)\r
319	; \r
320	\r
321	/**\r
322	Aborts an asynchronous transmit or receive request.\r
323	\r
324	@param This Pointer to the EFI_UDP4_PROTOCOL instance.\r
325	@param Token Pointer to a token that has been issued by\r
326	EFI_UDP4_PROTOCOL.Transmit() or\r
327	EFI_UDP4_PROTOCOL.Receive().If NULL, all pending\r
328	tokens are aborted.\r
329	\r
330	@retval EFI_SUCCESS The asynchronous I/O request was aborted and Token.Event\r
331	was signaled. When Token is NULL, all pending requests are\r
332	aborted and their events are signaled.\r
333	@retval EFI_INVALID_PARAMETER This is NULL.\r
334	@retval EFI_NOT_STARTED This instance has not been started.\r
335	@retval EFI_NO_MAPPING When using the default address, configuration (DHCP, BOOTP,\r
336	RARP, etc.) is not finished yet.\r
337	@retval EFI_NOT_FOUND When Token is not NULL, the asynchronous I/O request was\r
338	not found in the transmit or receive queue. It has either completed\r
339	or was not issued by Transmit() and Receive().\r
340	\r
341	**/\r
342	typedef\r
343	EFI_STATUS\r
344	(EFIAPI *EFI_UDP4_CANCEL)(\r
345	IN EFI_UDP4_PROTOCOL *This,\r
346	IN EFI_UDP4_COMPLETION_TOKEN *Token OPTIONAL\r
347	)\r
348	; \r
349	\r
350	struct _EFI_UDP4_PROTOCOL {\r
351	EFI_UDP4_GET_MODE_DATA GetModeData;\r
352	EFI_UDP4_CONFIGURE Configure;\r
353	EFI_UDP4_GROUPS Groups;\r
354	EFI_UDP4_ROUTES Routes;\r
355	EFI_UDP4_TRANSMIT Transmit;\r
356	EFI_UDP4_RECEIVE Receive;\r
357	EFI_UDP4_CANCEL Cancel;\r
358	EFI_UDP4_POLL Poll;\r
359	};\r
360	\r
361	extern EFI_GUID gEfiUdp4ServiceBindingProtocolGuid;\r
362	extern EFI_GUID gEfiUdp4ProtocolGuid;\r
363	\r
364	#endif\r