[mirror_edk2.git] / MdePkg / Include / Protocol / IP4.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:  IP4.h\r
\r
**/\r
\r
#ifndef __EFI_IP4_PROTOCOL_H__\r
#define __EFI_IP4_PROTOCOL_H__\r
\r
#include <Protocol/ManagedNetwork.h>\r
\r
#define EFI_IP4_SERVICE_BINDING_PROTOCOL_GUID \\r
  { \\r
    0xc51711e7, 0xb4bf, 0x404a, {0xbf, 0xb8, 0x0a, 0x04, 0x8e, 0xf1, 0xff, 0xe4 } \\r
  }\r
\r
#define EFI_IP4_PROTOCOL_GUID \\r
  { \\r
    0x41d94cd2, 0x35b6, 0x455a, {0x82, 0x58, 0xd4, 0xe5, 0x13, 0x34, 0xaa, 0xdd } \\r
  }\r
\r
typedef struct _EFI_IP4_PROTOCOL EFI_IP4_PROTOCOL;\r
  \r
typedef struct {\r
  EFI_HANDLE              InstanceHandle;\r
  EFI_IPv4_ADDRESS        Ip4Address;\r
  EFI_IPv4_ADDRESS        SubnetMask;\r
} EFI_IP4_ADDRESS_PAIR; \r
\r
typedef struct {\r
  EFI_HANDLE              DriverHandle;\r
  UINT32                  AddressCount;\r
  EFI_IP4_ADDRESS_PAIR    AddressPairs[1];\r
} EFI_IP4_VARIABLE_DATA;\r
\r
typedef struct {\r
  UINT8                   DefaultProtocol;\r
  BOOLEAN                 AcceptAnyProtocol;\r
  BOOLEAN                 AcceptIcmpErrors;\r
  BOOLEAN                 AcceptBroadcast;\r
  BOOLEAN                 AcceptPromiscuous;\r
  BOOLEAN                 UseDefaultAddress;\r
  EFI_IPv4_ADDRESS        StationAddress;\r
  EFI_IPv4_ADDRESS        SubnetMask;\r
  UINT8                   TypeOfService;\r
  UINT8                   TimeToLive;\r
  BOOLEAN                 DoNotFragment;\r
  BOOLEAN                 RawData;\r
  UINT32                  ReceiveTimeout;\r
  UINT32                  TransmitTimeout;\r
} EFI_IP4_CONFIG_DATA;\r
\r
\r
typedef struct {\r
  EFI_IPv4_ADDRESS        SubnetAddress;\r
  EFI_IPv4_ADDRESS        SubnetMask;\r
  EFI_IPv4_ADDRESS        GatewayAddress;\r
} EFI_IP4_ROUTE_TABLE;\r
\r
typedef struct {\r
  UINT8                   Type;\r
  UINT8                   Code;\r
} EFI_IP4_ICMP_TYPE;\r
\r
typedef struct {\r
  BOOLEAN                 IsStarted;\r
  EFI_IP4_CONFIG_DATA     ConfigData;\r
  BOOLEAN                 IsConfigured;\r
  UINT32                  GroupCount;\r
  EFI_IPv4_ADDRESS        *GroupTable;\r
  UINT32                  RouteCount;\r
  EFI_IP4_ROUTE_TABLE     *RouteTable;\r
  UINT32                  IcmpTypeCount;\r
  EFI_IP4_ICMP_TYPE       *IcmpTypeList;\r
} EFI_IP4_MODE_DATA;\r
\r
#pragma pack(1)\r
\r
typedef struct {\r
#ifdef EFI_NET_LITTLE_ENDIAN\r
  UINT8                   HeaderLength:4;\r
  UINT8                   Version:4;\r
#else \r
  UINT8                   Version:4;\r
  UINT8                   HeaderLength:4;\r
#endif\r
  UINT8                   TypeOfService;\r
  UINT16                  TotalLength;\r
  UINT16                  Identification;\r
  UINT16                  Fragmentation;\r
  UINT8                   TimeToLive;\r
  UINT8                   Protocol;\r
  UINT16                  Checksum;\r
  EFI_IPv4_ADDRESS        SourceAddress;\r
  EFI_IPv4_ADDRESS        DestinationAddress;\r
} EFI_IP4_HEADER;\r
#pragma pack()\r
\r
\r
typedef struct {\r
  UINT32                  FragmentLength;\r
  VOID                    *FragmentBuffer;\r
} EFI_IP4_FRAGMENT_DATA;\r
\r
\r
typedef struct {\r
  EFI_TIME               TimeStamp;\r
  EFI_EVENT              RecycleSignal;\r
  UINT32                 HeaderLength;\r
  EFI_IP4_HEADER         *Header;\r
  UINT32                 OptionsLength;\r
  VOID                   *Options;\r
  UINT32                 DataLength;\r
  UINT32                 FragmentCount;\r
  EFI_IP4_FRAGMENT_DATA  FragmentTable[1];\r
} EFI_IP4_RECEIVE_DATA;\r
\r
\r
typedef struct {\r
  EFI_IPv4_ADDRESS       SourceAddress;\r
  EFI_IPv4_ADDRESS       GatewayAddress;\r
  UINT8                  Protocol;\r
  UINT8                  TypeOfService;\r
  UINT8                  TimeToLive;\r
  BOOLEAN                DoNotFragment;\r
} EFI_IP4_OVERRIDE_DATA;\r
\r
typedef struct {\r
  EFI_IPv4_ADDRESS       DestinationAddress;\r
  EFI_IP4_OVERRIDE_DATA  *OverrideData;      //OPTIONAL\r
  UINT32                 OptionsLength;      //OPTIONAL\r
  VOID                   *OptionsBuffer;     //OPTIONAL\r
  UINT32                 TotalDataLength;\r
  UINT32                 FragmentCount;\r
  EFI_IP4_FRAGMENT_DATA  FragmentTable[1];\r
} EFI_IP4_TRANSMIT_DATA;\r
\r
typedef struct {\r
  EFI_EVENT                Event;\r
  EFI_STATUS               Status;\r
  union {\r
    EFI_IP4_RECEIVE_DATA   *RxData;\r
    EFI_IP4_TRANSMIT_DATA  *TxData;\r
  } Packet;\r
} EFI_IP4_COMPLETION_TOKEN;\r
\r
/**\r
  Gets the current operational settings for this instance of the EFI IPv4 Protocol driver.\r
\r
  @param  This          Pointer to the EFI_IP4_PROTOCOL instance.\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  SnpData       Pointer to the simple network mode data structure.\r
\r
  @retval EFI_SUCCESS           The operation completed successfully.\r
  @retval EFI_INVALID_PARAMETER This is NULL.\r
  @retval EFI_OUT_OF_RESOURCES  The required mode data could not be allocated.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *EFI_IP4_GET_MODE_DATA) (\r
  IN CONST  EFI_IP4_PROTOCOL                *This,\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
  Assigns an IPv4 address and subnet mask to this EFI IPv4 Protocol driver instance.\r
\r
  @param  This         Pointer to the EFI_IP4_PROTOCOL instance.\r
  @param  IpConfigData Pointer to the EFI IPv4 Protocol configuration data structure.\r
\r
  @retval EFI_SUCCESS           The driver instance was successfully opened.\r
  @retval EFI_NO_MAPPING        When using the default address, configuration (DHCP, BOOTP,\r
                                RARP, etc.) is not finished yet.\r
  @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r
  @retval EFI_UNSUPPORTED       One or more of the following conditions is TRUE:\r
                                A configuration protocol (DHCP, BOOTP, RARP, etc.) could\r
                                not be located when clients choose to use the default IPv4\r
                                address. This EFI IPv4 Protocol implementation does not\r
                                support this requested filter or timeout setting.\r
  @retval EFI_OUT_OF_RESOURCES  The EFI IPv4 Protocol driver instance data could not be allocated.\r
  @retval EFI_ALREADY_STARTED   The interface is already open and must be stopped before the\r
                                IPv4 address or subnet mask can be changed. The interface must\r
                                also be stopped when switching to/from raw packet mode.\r
  @retval EFI_DEVICE_ERROR      An unexpected system or network error occurred. The EFI IPv4\r
                                 Protocol driver instance is not opened.\r
\r
**/\r
typedef \r
EFI_STATUS\r
(EFIAPI *EFI_IP4_CONFIGURE) (\r
  IN EFI_IP4_PROTOCOL    *This,\r
  IN EFI_IP4_CONFIG_DATA *IpConfigData     OPTIONAL\r
  )\r
;  \r
\r
/**\r
  Joins and leaves multicast groups.\r
\r
  @param  This                  Pointer to the EFI_IP4_PROTOCOL instance.\r
  @param  JoinFlag              Set to TRUE to join the multicast group session and FALSE to leave.\r
  @param  GroupAddress          Pointer to the IPv4 multicast address.\r
\r
  @retval EFI_SUCCESS           The operation completed successfully.\r
  @retval EFI_INVALID_PARAMETER One or more of the following is TRUE:\r
                                - This is NULL.\r
                                - JoinFlag is TRUE and GroupAddress is NULL.\r
                                - GroupAddress is not NULL and *GroupAddress is\r
                                not a multicast IPv4 address.\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_OUT_OF_RESOURCES  System resources could not be allocated.\r
  @retval EFI_UNSUPPORTED       This EFI IPv4 Protocol implementation does not support multicast groups.\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 FALSE).\r
  @retval EFI_DEVICE_ERROR      An unexpected system or network error occurred.\r
\r
**/\r
typedef \r
EFI_STATUS\r
(EFIAPI *EFI_IP4_GROUPS) (\r
  IN EFI_IP4_PROTOCOL    *This,\r
  IN BOOLEAN             JoinFlag,\r
  IN EFI_IPv4_ADDRESS    *GroupAddress  OPTIONAL\r
  )\r
;    \r
\r
/**\r
  Adds and deletes routing table entries.\r
\r
  @param  This                   Pointer to the EFI_IP4_PROTOCOL instance.\r
  @param  DeleteRoute            Set to TRUE to delete this route from the routing table. Set to\r
                                 FALSE to add this route to the routing table. SubnetAddress\r
                                 and SubnetMask are used as the key to each route entry.\r
  @param  SubnetAddress          The address of the subnet that needs to be routed.\r
  @param  SubnetMask             The subnet mask of SubnetAddress.\r
  @param  GatewayAddress         The unicast gateway IPv4 address for this route.\r
\r
  @retval EFI_SUCCESS            The operation completed successfully.\r
  @retval EFI_NOT_STARTED        The driver 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_INVALID_PARAMETER  One or more of the following conditions is TRUE:\r
                                 - This is NULL.\r
                                 - SubnetAddress is NULL.\r
                                 - SubnetMask is NULL.\r
                                 - GatewayAddress is NULL.\r
                                 - *SubnetAddress is not a valid subnet address.\r
                                 - *SubnetMask is not a valid subnet mask.\r
                                 - *GatewayAddress is not a valid unicast IPv4 address.\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 (when DeleteRoute is TRUE).\r
  @retval EFI_ACCESS_DENIED      The route is already defined in the routing table (when\r
                                  DeleteRoute is FALSE).\r
                                 \r
**/\r
typedef \r
EFI_STATUS\r
(EFIAPI *EFI_IP4_ROUTES) (\r
  IN EFI_IP4_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
  Places outgoing data packets into the transmit queue.\r
\r
  @param  This  Pointer to the EFI_IP4_PROTOCOL instance.\r
  @param  Token Pointer to the transmit token.\r
\r
  @retval  EFI_SUCCESS           The data has been queued for transmission.\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_INVALID_PARAMETER One or more pameters are invalid.\r
  @retval  EFI_ACCESS_DENIED     The transmit completion token with the same Token.Event\r
                                 was already in the transmit queue.\r
  @retval  EFI_NOT_READY         The completion token could not be queued because the transmit\r
                                 queue is full. \r
  @retval  EFI_NOT_FOUND         Not route is found to destination address.\r
  @retval  EFI_OUT_OF_RESOURCES  Could not queue the transmit data.\r
  @retval  EFI_BUFFER_TOO_SMALL  Token.Packet.TxData.TotalDataLength is too\r
                                 short to transmit.\r
  @retval  EFI_BAD_BUFFER_SIZE   The length of the IPv4 header + option length + total data length is\r
                                 greater than MTU (or greater than the maximum packet size if\r
                                 Token.Packet.TxData.OverrideData.\r
                                 DoNotFragment is TRUE.)\r
\r
**/\r
typedef \r
EFI_STATUS\r
(EFIAPI *EFI_IP4_TRANSMIT) (\r
  IN EFI_IP4_PROTOCOL          *This,\r
  IN EFI_IP4_COMPLETION_TOKEN  *Token\r
  )\r
;    \r
\r
/**\r
  Places a receiving request into the receiving queue.\r
\r
  @param  This  Pointer to the EFI_IP4_PROTOCOL instance.\r
  @param  Token Pointer to a token that is associated with the receive data descriptor.\r
\r
  @retval EFI_SUCCESS           The receive completion token was cached.\r
  @retval EFI_NOT_STARTED       This EFI IPv4 Protocol instance has not been started.\r
  @retval EFI_NO_MAPPING        When using the 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
                                - This is NULL.\r
                                - Token is NULL.\r
                                - Token.Event is NULL.\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
                                The EFI IPv4 Protocol instance has been reset to startup defaults.\r
                                EFI_ACCESS_DENIED The receive completion token with the same Token.Event was already\r
                                in the receive queue.\r
  @retval EFI_NOT_READY         The receive request could not be queued because the receive queue is full.\r
  @retval EFI_ICMP_ERROR        An ICMP error packet was received.\r
\r
**/\r
typedef \r
EFI_STATUS\r
(EFIAPI *EFI_IP4_RECEIVE) (\r
  IN EFI_IP4_PROTOCOL          *This,\r
  IN EFI_IP4_COMPLETION_TOKEN  *Token\r
  )\r
;      \r
\r
/**\r
  Abort an asynchronous transmit or receive request.\r
\r
  @param  This  Pointer to the EFI_IP4_PROTOCOL instance.\r
  @param  Token Pointer to a token that has been issued by\r
                EFI_IP4_PROTOCOL.Transmit() or\r
                EFI_IP4_PROTOCOL.Receive(). If NULL, all pending\r
                tokens are aborted. Type EFI_IP4_COMPLETION_TOKEN is\r
                defined in EFI_IP4_PROTOCOL.Transmit().\r
\r
  @retval EFI_SUCCESS           The asynchronous I/O request was aborted and\r
                                Token.->Event was signaled. When Token is NULL, all\r
                                pending requests were aborted and their events were 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_IP4_CANCEL) (\r
  IN EFI_IP4_PROTOCOL          *This,\r
  IN EFI_IP4_COMPLETION_TOKEN  *Token OPTIONAL\r
  )\r
;      \r
  \r
/**\r
  Polls for incoming data packets and processes outgoing data packets.\r
\r
  @param  This Pointer to the EFI_IP4_PROTOCOL instance.\r
\r
  @retval  EFI_SUCCESS           Incoming or outgoing data was processed.\r
  @retval  EFI_NOT_STARTED       This EFI IPv4 Protocol 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_INVALID_PARAMETER This is NULL.\r
  @retval  EFI_DEVICE_ERROR      An unexpected system or network error occurred.\r
  @retval  EFI_NOT_READY         No incoming or outgoing data is processed.\r
  @retval  EFI_TIMEOUT           Data was dropped out of the transmit and/or receive queue.\r
                                 Consider increasing the polling rate.\r
\r
**/\r
typedef \r
EFI_STATUS\r
(EFIAPI *EFI_IP4_POLL) (\r
  IN EFI_IP4_PROTOCOL          *This\r
  )\r
;  \r
\r
struct _EFI_IP4_PROTOCOL {\r
  EFI_IP4_GET_MODE_DATA        GetModeData;\r
  EFI_IP4_CONFIGURE            Configure;\r
  EFI_IP4_GROUPS               Groups;\r
  EFI_IP4_ROUTES               Routes;\r
  EFI_IP4_TRANSMIT             Transmit;\r
  EFI_IP4_RECEIVE              Receive;\r
  EFI_IP4_CANCEL               Cancel;\r
  EFI_IP4_POLL                 Poll;\r
};\r
\r
extern EFI_GUID gEfiIp4ServiceBindingProtocolGuid;\r
extern EFI_GUID gEfiIp4ProtocolGuid;\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: IP4.h\r
	12	\r
	13	**/\r
	14	\r
	15	#ifndef __EFI_IP4_PROTOCOL_H__\r
	16	#define __EFI_IP4_PROTOCOL_H__\r
	17	\r
	18	#include <Protocol/ManagedNetwork.h>\r
	19	\r
	20	#define EFI_IP4_SERVICE_BINDING_PROTOCOL_GUID \\r
	21	{ \\r
	22	0xc51711e7, 0xb4bf, 0x404a, {0xbf, 0xb8, 0x0a, 0x04, 0x8e, 0xf1, 0xff, 0xe4 } \\r
	23	}\r
	24	\r
	25	#define EFI_IP4_PROTOCOL_GUID \\r
	26	{ \\r
	27	0x41d94cd2, 0x35b6, 0x455a, {0x82, 0x58, 0xd4, 0xe5, 0x13, 0x34, 0xaa, 0xdd } \\r
	28	}\r
	29	\r
	30	typedef struct _EFI_IP4_PROTOCOL EFI_IP4_PROTOCOL;\r
	31	\r
	32	typedef struct {\r
	33	EFI_HANDLE InstanceHandle;\r
	34	EFI_IPv4_ADDRESS Ip4Address;\r
	35	EFI_IPv4_ADDRESS SubnetMask;\r
	36	} EFI_IP4_ADDRESS_PAIR; \r
	37	\r
	38	typedef struct {\r
	39	EFI_HANDLE DriverHandle;\r
	40	UINT32 AddressCount;\r
	41	EFI_IP4_ADDRESS_PAIR AddressPairs[1];\r
	42	} EFI_IP4_VARIABLE_DATA;\r
	43	\r
	44	typedef struct {\r
	45	UINT8 DefaultProtocol;\r
	46	BOOLEAN AcceptAnyProtocol;\r
	47	BOOLEAN AcceptIcmpErrors;\r
	48	BOOLEAN AcceptBroadcast;\r
	49	BOOLEAN AcceptPromiscuous;\r
	50	BOOLEAN UseDefaultAddress;\r
	51	EFI_IPv4_ADDRESS StationAddress;\r
	52	EFI_IPv4_ADDRESS SubnetMask;\r
	53	UINT8 TypeOfService;\r
	54	UINT8 TimeToLive;\r
	55	BOOLEAN DoNotFragment;\r
	56	BOOLEAN RawData;\r
	57	UINT32 ReceiveTimeout;\r
	58	UINT32 TransmitTimeout;\r
	59	} EFI_IP4_CONFIG_DATA;\r
	60	\r
	61	\r
	62	typedef struct {\r
	63	EFI_IPv4_ADDRESS SubnetAddress;\r
	64	EFI_IPv4_ADDRESS SubnetMask;\r
65	EFI_IPv4_ADDRESS GatewayAddress;\r
66	} EFI_IP4_ROUTE_TABLE;\r
67	\r
68	typedef struct {\r
69	UINT8 Type;\r
70	UINT8 Code;\r
71	} EFI_IP4_ICMP_TYPE;\r
72	\r
73	typedef struct {\r
74	BOOLEAN IsStarted;\r
75	EFI_IP4_CONFIG_DATA ConfigData;\r
76	BOOLEAN IsConfigured;\r
77	UINT32 GroupCount;\r
78	EFI_IPv4_ADDRESS *GroupTable;\r
79	UINT32 RouteCount;\r
80	EFI_IP4_ROUTE_TABLE *RouteTable;\r
81	UINT32 IcmpTypeCount;\r
82	EFI_IP4_ICMP_TYPE *IcmpTypeList;\r
83	} EFI_IP4_MODE_DATA;\r
84	\r
85	#pragma pack(1)\r
86	\r
87	typedef struct {\r
88	#ifdef EFI_NET_LITTLE_ENDIAN\r
89	UINT8 HeaderLength:4;\r
90	UINT8 Version:4;\r
91	#else \r
92	UINT8 Version:4;\r
93	UINT8 HeaderLength:4;\r
94	#endif\r
95	UINT8 TypeOfService;\r
96	UINT16 TotalLength;\r
97	UINT16 Identification;\r
98	UINT16 Fragmentation;\r
99	UINT8 TimeToLive;\r
100	UINT8 Protocol;\r
101	UINT16 Checksum;\r
102	EFI_IPv4_ADDRESS SourceAddress;\r
103	EFI_IPv4_ADDRESS DestinationAddress;\r
104	} EFI_IP4_HEADER;\r
105	#pragma pack()\r
106	\r
107	\r
108	typedef struct {\r
109	UINT32 FragmentLength;\r
110	VOID *FragmentBuffer;\r
111	} EFI_IP4_FRAGMENT_DATA;\r
112	\r
113	\r
114	typedef struct {\r
115	EFI_TIME TimeStamp;\r
116	EFI_EVENT RecycleSignal;\r
117	UINT32 HeaderLength;\r
118	EFI_IP4_HEADER *Header;\r
119	UINT32 OptionsLength;\r
120	VOID *Options;\r
121	UINT32 DataLength;\r
122	UINT32 FragmentCount;\r
123	EFI_IP4_FRAGMENT_DATA FragmentTable[1];\r
124	} EFI_IP4_RECEIVE_DATA;\r
125	\r
126	\r
127	typedef struct {\r
128	EFI_IPv4_ADDRESS SourceAddress;\r
129	EFI_IPv4_ADDRESS GatewayAddress;\r
130	UINT8 Protocol;\r
131	UINT8 TypeOfService;\r
132	UINT8 TimeToLive;\r
133	BOOLEAN DoNotFragment;\r
134	} EFI_IP4_OVERRIDE_DATA;\r
135	\r
136	typedef struct {\r
137	EFI_IPv4_ADDRESS DestinationAddress;\r
138	EFI_IP4_OVERRIDE_DATA *OverrideData; //OPTIONAL\r
139	UINT32 OptionsLength; //OPTIONAL\r
140	VOID *OptionsBuffer; //OPTIONAL\r
141	UINT32 TotalDataLength;\r
142	UINT32 FragmentCount;\r
143	EFI_IP4_FRAGMENT_DATA FragmentTable[1];\r
144	} EFI_IP4_TRANSMIT_DATA;\r
145	\r
146	typedef struct {\r
147	EFI_EVENT Event;\r
148	EFI_STATUS Status;\r
149	union {\r
150	EFI_IP4_RECEIVE_DATA *RxData;\r
151	EFI_IP4_TRANSMIT_DATA *TxData;\r
152	} Packet;\r
153	} EFI_IP4_COMPLETION_TOKEN;\r
154	\r
155	/**\r
156	Gets the current operational settings for this instance of the EFI IPv4 Protocol driver.\r
157	\r
158	@param This Pointer to the EFI_IP4_PROTOCOL instance.\r
159	@param Ip4ModeData Pointer to the EFI IPv4 Protocol mode data structure.\r
160	@param MnpConfigData Pointer to the managed network configuration data structure.\r
161	@param SnpData Pointer to the simple network mode data structure.\r
162	\r
163	@retval EFI_SUCCESS The operation completed successfully.\r
164	@retval EFI_INVALID_PARAMETER This is NULL.\r
165	@retval EFI_OUT_OF_RESOURCES The required mode data could not be allocated.\r
166	\r
167	**/\r
168	typedef\r
169	EFI_STATUS\r
170	(EFIAPI *EFI_IP4_GET_MODE_DATA) (\r
171	IN CONST EFI_IP4_PROTOCOL *This,\r
172	OUT EFI_IP4_MODE_DATA *Ip4ModeData OPTIONAL,\r
173	OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,\r
174	OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL\r
175	)\r
176	; \r
177	\r
178	/**\r
179	Assigns an IPv4 address and subnet mask to this EFI IPv4 Protocol driver instance.\r
180	\r
181	@param This Pointer to the EFI_IP4_PROTOCOL instance.\r
182	@param IpConfigData Pointer to the EFI IPv4 Protocol configuration data structure.\r
183	\r
184	@retval EFI_SUCCESS The driver instance was successfully opened.\r
185	@retval EFI_NO_MAPPING When using the default address, configuration (DHCP, BOOTP,\r
186	RARP, etc.) is not finished yet.\r
187	@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r
188	@retval EFI_UNSUPPORTED One or more of the following conditions is TRUE:\r
189	A configuration protocol (DHCP, BOOTP, RARP, etc.) could\r
190	not be located when clients choose to use the default IPv4\r
191	address. This EFI IPv4 Protocol implementation does not\r
192	support this requested filter or timeout setting.\r
193	@retval EFI_OUT_OF_RESOURCES The EFI IPv4 Protocol driver instance data could not be allocated.\r
194	@retval EFI_ALREADY_STARTED The interface is already open and must be stopped before the\r
195	IPv4 address or subnet mask can be changed. The interface must\r
196	also be stopped when switching to/from raw packet mode.\r
197	@retval EFI_DEVICE_ERROR An unexpected system or network error occurred. The EFI IPv4\r
198	Protocol driver instance is not opened.\r
199	\r
200	**/\r
201	typedef \r
202	EFI_STATUS\r
203	(EFIAPI *EFI_IP4_CONFIGURE) (\r
204	IN EFI_IP4_PROTOCOL *This,\r
205	IN EFI_IP4_CONFIG_DATA *IpConfigData OPTIONAL\r
206	)\r
207	; \r
208	\r
209	/**\r
210	Joins and leaves multicast groups.\r
211	\r
212	@param This Pointer to the EFI_IP4_PROTOCOL instance.\r
213	@param JoinFlag Set to TRUE to join the multicast group session and FALSE to leave.\r
214	@param GroupAddress Pointer to the IPv4 multicast address.\r
215	\r
216	@retval EFI_SUCCESS The operation completed successfully.\r
217	@retval EFI_INVALID_PARAMETER One or more of the following is TRUE:\r
218	- This is NULL.\r
219	- JoinFlag is TRUE and GroupAddress is NULL.\r
220	- GroupAddress is not NULL and *GroupAddress is\r
221	not a multicast IPv4 address.\r
222	@retval EFI_NOT_STARTED This instance has not been started.\r
223	@retval EFI_NO_MAPPING When using the default address, configuration (DHCP, BOOTP,\r
224	RARP, etc.) is not finished yet.\r
225	@retval EFI_OUT_OF_RESOURCES System resources could not be allocated.\r
226	@retval EFI_UNSUPPORTED This EFI IPv4 Protocol implementation does not support multicast groups.\r
227	@retval EFI_ALREADY_STARTED The group address is already in the group table (when\r
228	JoinFlag is TRUE).\r
229	@retval EFI_NOT_FOUND The group address is not in the group table (when JoinFlag is FALSE).\r
230	@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r
231	\r
232	**/\r
233	typedef \r
234	EFI_STATUS\r
235	(EFIAPI *EFI_IP4_GROUPS) (\r
236	IN EFI_IP4_PROTOCOL *This,\r
237	IN BOOLEAN JoinFlag,\r
238	IN EFI_IPv4_ADDRESS *GroupAddress OPTIONAL\r
239	)\r
240	; \r
241	\r
242	/**\r
243	Adds and deletes routing table entries.\r
244	\r
245	@param This Pointer to the EFI_IP4_PROTOCOL instance.\r
246	@param DeleteRoute Set to TRUE to delete this route from the routing table. Set to\r
247	FALSE to add this route to the routing table. SubnetAddress\r
248	and SubnetMask are used as the key to each route entry.\r
249	@param SubnetAddress The address of the subnet that needs to be routed.\r
250	@param SubnetMask The subnet mask of SubnetAddress.\r
251	@param GatewayAddress The unicast gateway IPv4 address for this route.\r
252	\r
253	@retval EFI_SUCCESS The operation completed successfully.\r
254	@retval EFI_NOT_STARTED The driver instance has not been started.\r
255	@retval EFI_NO_MAPPING When using the default address, configuration (DHCP, BOOTP,\r
256	RARP, etc.) is not finished yet.\r
257	@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r
258	- This is NULL.\r
259	- SubnetAddress is NULL.\r
260	- SubnetMask is NULL.\r
261	- GatewayAddress is NULL.\r
262	- *SubnetAddress is not a valid subnet address.\r
263	- *SubnetMask is not a valid subnet mask.\r
264	- *GatewayAddress is not a valid unicast IPv4 address.\r
265	@retval EFI_OUT_OF_RESOURCES Could not add the entry to the routing table.\r
266	@retval EFI_NOT_FOUND This route is not in the routing table (when DeleteRoute is TRUE).\r
267	@retval EFI_ACCESS_DENIED The route is already defined in the routing table (when\r
268	DeleteRoute is FALSE).\r
269	\r
270	**/\r
271	typedef \r
272	EFI_STATUS\r
273	(EFIAPI *EFI_IP4_ROUTES) (\r
274	IN EFI_IP4_PROTOCOL *This,\r
275	IN BOOLEAN DeleteRoute,\r
276	IN EFI_IPv4_ADDRESS *SubnetAddress,\r
277	IN EFI_IPv4_ADDRESS *SubnetMask,\r
278	IN EFI_IPv4_ADDRESS *GatewayAddress \r
279	)\r
280	; \r
281	\r
282	/**\r
283	Places outgoing data packets into the transmit queue.\r
284	\r
285	@param This Pointer to the EFI_IP4_PROTOCOL instance.\r
286	@param Token Pointer to the transmit token.\r
287	\r
288	@retval EFI_SUCCESS The data has been queued for transmission.\r
289	@retval EFI_NOT_STARTED This instance has not been started.\r
290	@retval EFI_NO_MAPPING When using the default address, configuration (DHCP, BOOTP,\r
291	RARP, etc.) is not finished yet.\r
292	@retval EFI_INVALID_PARAMETER One or more pameters are invalid.\r
293	@retval EFI_ACCESS_DENIED The transmit completion token with the same Token.Event\r
294	was already in the transmit queue.\r
295	@retval EFI_NOT_READY The completion token could not be queued because the transmit\r
296	queue is full. \r
297	@retval EFI_NOT_FOUND Not route is found to destination address.\r
298	@retval EFI_OUT_OF_RESOURCES Could not queue the transmit data.\r
299	@retval EFI_BUFFER_TOO_SMALL Token.Packet.TxData.TotalDataLength is too\r
300	short to transmit.\r
301	@retval EFI_BAD_BUFFER_SIZE The length of the IPv4 header + option length + total data length is\r
302	greater than MTU (or greater than the maximum packet size if\r
303	Token.Packet.TxData.OverrideData.\r
304	DoNotFragment is TRUE.)\r
305	\r
306	**/\r
307	typedef \r
308	EFI_STATUS\r
309	(EFIAPI *EFI_IP4_TRANSMIT) (\r
310	IN EFI_IP4_PROTOCOL *This,\r
311	IN EFI_IP4_COMPLETION_TOKEN *Token\r
312	)\r
313	; \r
314	\r
315	/**\r
316	Places a receiving request into the receiving queue.\r
317	\r
318	@param This Pointer to the EFI_IP4_PROTOCOL instance.\r
319	@param Token Pointer to a token that is associated with the receive data descriptor.\r
320	\r
321	@retval EFI_SUCCESS The receive completion token was cached.\r
322	@retval EFI_NOT_STARTED This EFI IPv4 Protocol instance has not been started.\r
323	@retval EFI_NO_MAPPING When using the default address, configuration (DHCP, BOOTP, RARP, etc.)\r
324	is not finished yet.\r
325	@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r
326	- This is NULL.\r
327	- Token is NULL.\r
328	- Token.Event is NULL.\r
329	@retval EFI_OUT_OF_RESOURCES The receive completion token could not be queued due to a lack of system\r
330	resources (usually memory).\r
331	@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r
332	The EFI IPv4 Protocol instance has been reset to startup defaults.\r
333	EFI_ACCESS_DENIED The receive completion token with the same Token.Event was already\r
334	in the receive queue.\r
335	@retval EFI_NOT_READY The receive request could not be queued because the receive queue is full.\r
336	@retval EFI_ICMP_ERROR An ICMP error packet was received.\r
337	\r
338	**/\r
339	typedef \r
340	EFI_STATUS\r
341	(EFIAPI *EFI_IP4_RECEIVE) (\r
342	IN EFI_IP4_PROTOCOL *This,\r
343	IN EFI_IP4_COMPLETION_TOKEN *Token\r
344	)\r
345	; \r
346	\r
347	/**\r
348	Abort an asynchronous transmit or receive request.\r
349	\r
350	@param This Pointer to the EFI_IP4_PROTOCOL instance.\r
351	@param Token Pointer to a token that has been issued by\r
352	EFI_IP4_PROTOCOL.Transmit() or\r
353	EFI_IP4_PROTOCOL.Receive(). If NULL, all pending\r
354	tokens are aborted. Type EFI_IP4_COMPLETION_TOKEN is\r
355	defined in EFI_IP4_PROTOCOL.Transmit().\r
356	\r
357	@retval EFI_SUCCESS The asynchronous I/O request was aborted and\r
358	Token.->Event was signaled. When Token is NULL, all\r
359	pending requests were aborted and their events were signaled.\r
360	@retval EFI_INVALID_PARAMETER This is NULL.\r
361	@retval EFI_NOT_STARTED This instance has not been started.\r
362	@retval EFI_NO_MAPPING When using the default address, configuration (DHCP, BOOTP,\r
363	RARP, etc.) is not finished yet.\r
364	@retval EFI_NOT_FOUND When Token is not NULL, the asynchronous I/O request was\r
365	not found in the transmit or receive queue. It has either completed\r
366	or was not issued by Transmit() and Receive().\r
367	\r
368	**/\r
369	typedef\r
370	EFI_STATUS\r
371	(EFIAPI *EFI_IP4_CANCEL) (\r
372	IN EFI_IP4_PROTOCOL *This,\r
373	IN EFI_IP4_COMPLETION_TOKEN *Token OPTIONAL\r
374	)\r
375	; \r
376	\r
377	/**\r
378	Polls for incoming data packets and processes outgoing data packets.\r
379	\r
380	@param This Pointer to the EFI_IP4_PROTOCOL instance.\r
381	\r
382	@retval EFI_SUCCESS Incoming or outgoing data was processed.\r
383	@retval EFI_NOT_STARTED This EFI IPv4 Protocol instance has not been started.\r
384	@retval EFI_NO_MAPPING When using the default address, configuration (DHCP, BOOTP,\r
385	RARP, etc.) is not finished yet.\r
386	@retval EFI_INVALID_PARAMETER This is NULL.\r
387	@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r
388	@retval EFI_NOT_READY No incoming or outgoing data is processed.\r
389	@retval EFI_TIMEOUT Data was dropped out of the transmit and/or receive queue.\r
390	Consider increasing the polling rate.\r
391	\r
392	**/\r
393	typedef \r
394	EFI_STATUS\r
395	(EFIAPI *EFI_IP4_POLL) (\r
396	IN EFI_IP4_PROTOCOL *This\r
397	)\r
398	; \r
399	\r
400	struct _EFI_IP4_PROTOCOL {\r
401	EFI_IP4_GET_MODE_DATA GetModeData;\r
402	EFI_IP4_CONFIGURE Configure;\r
403	EFI_IP4_GROUPS Groups;\r
404	EFI_IP4_ROUTES Routes;\r
405	EFI_IP4_TRANSMIT Transmit;\r
406	EFI_IP4_RECEIVE Receive;\r
407	EFI_IP4_CANCEL Cancel;\r
408	EFI_IP4_POLL Poll;\r
409	};\r
410	\r
411	extern EFI_GUID gEfiIp4ServiceBindingProtocolGuid;\r
412	extern EFI_GUID gEfiIp4ProtocolGuid;\r
413	\r
414	#endif\r