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97b38d4e | 1 | /** @file\r |
fb115c61 | 2 | This library is only intended to be used by UEFI network stack modules.\r |
3 | It provides the combined IpIo layer on the EFI IP4 Protocol and EFI IP6 protocol.\r | |
97b38d4e | 4 | \r |
fb115c61 | 5 | Copyright (c) 2005 - 2009, Intel Corporation.<BR>\r |
97b38d4e | 6 | All rights reserved. This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #ifndef _IP_IO_H_\r | |
17 | #define _IP_IO_H_\r | |
18 | \r | |
19 | #include <Protocol/Ip4.h>\r | |
fb115c61 | 20 | #include <Protocol/Ip6.h>\r |
cdfdbb97 | 21 | \r |
97b38d4e | 22 | #include <Library/NetLib.h>\r |
23 | \r | |
24 | //\r | |
e9b67286 | 25 | // type and code define for ICMP protocol error \r |
97b38d4e | 26 | // from IP\r |
27 | //\r | |
28 | #define ICMP_TYPE_UNREACH 3\r | |
cdfdbb97 | 29 | #define ICMP_TYPE_TIMXCEED 11\r |
97b38d4e | 30 | #define ICMP_TYPE_PARAMPROB 12\r |
31 | #define ICMP_TYPE_SOURCEQUENCH 4\r | |
32 | \r | |
33 | #define ICMP_CODE_UNREACH_NET 0\r | |
34 | #define ICMP_CODE_UNREACH_HOST 1\r | |
35 | #define ICMP_CODE_UNREACH_PROTOCOL 2\r | |
36 | #define ICMP_CODE_UNREACH_PORT 3\r | |
37 | #define ICMP_CODE_UNREACH_NEEDFRAG 4\r | |
38 | #define ICMP_CODE_UNREACH_SRCFAIL 5\r | |
39 | #define ICMP_CODE_UNREACH_NET_UNKNOWN 6\r | |
40 | #define ICMP_CODE_UNREACH_HOST_UNKNOWN 7\r | |
41 | #define ICMP_CODE_UNREACH_ISOLATED 8\r | |
42 | #define ICMP_CODE_UNREACH_NET_PROHIB 9\r | |
43 | #define ICMP_CODE_UNREACH_HOST_PROHIB 10\r | |
44 | #define ICMP_CODE_UNREACH_TOSNET 11\r | |
45 | #define ICMP_CODE_UNREACH_TOSHOST 12\r | |
46 | \r | |
cdfdbb97 | 47 | /**\r |
e9b67286 | 48 | Get the IP header length from the struct EFI_IP4_HEADER. HeaderLength is\r |
cdfdbb97 | 49 | Internet header length in 32-bit words, so HeaderLength<<2 is the real\r |
50 | length of IP header.\r | |
51 | \r | |
52 | @param[out] HdrPtr A pointer to EFI_IP4_HEADER\r | |
53 | \r | |
54 | @return The IP header length\r | |
55 | **/\r | |
56 | #define EFI_IP4_HEADER_LEN(HdrPtr) ((HdrPtr)->HeaderLength << 2)\r | |
57 | \r | |
58 | /**\r | |
59 | To types of ICMP error which consist of ICMP header, IP header and original \r | |
60 | datagram's data, get length from sum of ICMP header length, IP header length \r | |
61 | and first 64 bits of datagram's data length.\r | |
62 | \r | |
63 | @param[in] IpHdr A pointer to EFI_IP4_HEADER\r | |
64 | \r | |
65 | @return The ICMP error length\r | |
66 | **/\r | |
67 | #define ICMP_ERRLEN(IpHdr) \\r | |
68 | (sizeof(IP4_ICMP_HEAD) + EFI_IP4_HEADER_LEN(IpHdr) + 8)\r | |
69 | \r | |
70 | /**\r | |
71 | Get the packet header from NET_BUF.\r | |
72 | \r | |
73 | @param[out] Buf A pointer to NET_BUF\r | |
74 | @param[in] Type Header type\r | |
75 | \r | |
76 | @return The pointer to packet header\r | |
77 | **/\r | |
78 | #define NET_PROTO_HDR(Buf, Type) ((Type *) ((Buf)->BlockOp[0].Head))\r | |
79 | \r | |
80 | \r | |
fb115c61 | 81 | extern EFI_IP4_CONFIG_DATA mIp4IoDefaultIpConfigData;\r |
82 | extern EFI_IP6_CONFIG_DATA mIp6IoDefaultIpConfigData;\r | |
83 | \r | |
cdfdbb97 | 84 | \r |
e29a2e7e | 85 | ///\r |
86 | /// This error will be delivered to the\r | |
87 | /// listening transportation layer protocol\r | |
88 | /// that consumes IpIO.\r | |
89 | ///\r | |
b45b45b2 | 90 | \r |
91 | #define ICMP_ERR_UNREACH_NET 0\r | |
92 | #define ICMP_ERR_UNREACH_HOST 1\r | |
93 | #define ICMP_ERR_UNREACH_PROTOCOL 2\r | |
94 | #define ICMP_ERR_UNREACH_PORT 3\r | |
95 | #define ICMP_ERR_MSGSIZE 4\r | |
96 | #define ICMP_ERR_UNREACH_SRCFAIL 5\r | |
97 | #define ICMP_ERR_TIMXCEED_INTRANS 6\r | |
98 | #define ICMP_ERR_TIMXCEED_REASS 7\r | |
99 | #define ICMP_ERR_QUENCH 8\r | |
100 | #define ICMP_ERR_PARAMPROB 9\r | |
101 | \r | |
102 | #define ICMP6_ERR_UNREACH_NET 0\r | |
103 | #define ICMP6_ERR_UNREACH_HOST 1\r | |
104 | #define ICMP6_ERR_UNREACH_PROTOCOL 2\r | |
105 | #define ICMP6_ERR_UNREACH_PORT 3\r | |
106 | #define ICMP6_ERR_PACKAGE_TOOBIG 4\r | |
107 | #define ICMP6_ERR_TIMXCEED_HOPLIMIT 5\r | |
108 | #define ICMP6_ERR_TIMXCEED_REASS 6\r | |
109 | #define ICMP6_ERR_PARAMPROB_HEADER 7\r | |
110 | #define ICMP6_ERR_PARAMPROB_NEXHEADER 8\r | |
111 | #define ICMP6_ERR_PARAMPROB_IPV6OPTION 9\r | |
fb115c61 | 112 | \r |
e29a2e7e | 113 | ///\r |
e9b67286 | 114 | /// The helper struct for IpIoGetIcmpErrStatus(). It is for internal use only.\r |
e29a2e7e | 115 | ///\r |
cdfdbb97 | 116 | typedef struct {\r |
fb115c61 | 117 | BOOLEAN IsHard;\r |
118 | BOOLEAN Notify;\r | |
97b38d4e | 119 | } ICMP_ERROR_INFO;\r |
120 | \r | |
fb115c61 | 121 | typedef union {\r |
122 | EFI_IP4_COMPLETION_TOKEN Ip4Token;\r | |
123 | EFI_IP6_COMPLETION_TOKEN Ip6Token;\r | |
124 | } IP_IO_IP_COMPLETION_TOKEN;\r | |
125 | \r | |
126 | typedef union {\r | |
127 | EFI_IP4_TRANSMIT_DATA Ip4TxData;\r | |
128 | EFI_IP6_TRANSMIT_DATA Ip6TxData;\r | |
129 | } IP_IO_IP_TX_DATA;\r | |
130 | \r | |
131 | typedef union {\r | |
132 | EFI_IP4_RECEIVE_DATA Ip4RxData;\r | |
133 | EFI_IP6_RECEIVE_DATA Ip6RxData;\r | |
134 | } IP_IO_IP_RX_DATA;\r | |
135 | \r | |
136 | typedef union {\r | |
137 | EFI_IP4_OVERRIDE_DATA Ip4OverrideData;\r | |
138 | EFI_IP6_OVERRIDE_DATA Ip6OverrideData;\r | |
139 | } IP_IO_OVERRIDE;\r | |
140 | \r | |
141 | typedef union {\r | |
142 | EFI_IP4_CONFIG_DATA Ip4CfgData;\r | |
143 | EFI_IP6_CONFIG_DATA Ip6CfgData;\r | |
144 | } IP_IO_IP_CONFIG_DATA;\r | |
145 | \r | |
b45b45b2 | 146 | typedef union {\r |
147 | EFI_IP4_HEADER *Ip4Hdr;\r | |
148 | EFI_IP6_HEADER *Ip6Hdr;\r | |
149 | } IP_IO_IP_HEADER;\r | |
150 | \r | |
151 | typedef union {\r | |
152 | IP4_ADDR SubnetMask;\r | |
153 | UINT8 PrefixLength;\r | |
154 | } IP_IO_IP_MASK;\r | |
155 | \r | |
e29a2e7e | 156 | ///\r |
157 | /// The IP session for an IP receive packet.\r | |
158 | ///\r | |
97b38d4e | 159 | typedef struct _EFI_NET_SESSION_DATA {\r |
fb115c61 | 160 | EFI_IP_ADDRESS Source; ///< Source IP of the received packet\r |
161 | EFI_IP_ADDRESS Dest; ///< Destination IP of the received packet\r | |
b45b45b2 | 162 | IP_IO_IP_HEADER IpHdr; ///< IP header of the received packet\r |
163 | UINT8 IpVersion; ///< The IP version of the received packet\r | |
97b38d4e | 164 | } EFI_NET_SESSION_DATA;\r |
165 | \r | |
e29a2e7e | 166 | /**\r |
167 | The prototype is called back when an IP packet is received.\r | |
168 | \r | |
cdfdbb97 | 169 | @param[in] Status Result of the receive request\r |
170 | @param[in] IcmpErr Valid when Status is EFI_ICMP_ERROR\r | |
171 | @param[in] NetSession The IP session for the received packet\r | |
172 | @param[in] Pkt Packet received\r | |
e9b67286 | 173 | @param[in] Context The data provided by the user for the received packet when\r |
cdfdbb97 | 174 | the callback is registered in IP_IO_OPEN_DATA::RcvdContext.\r |
e29a2e7e | 175 | \r |
176 | **/\r | |
97b38d4e | 177 | typedef\r |
178 | VOID\r | |
179 | (*PKT_RCVD_NOTIFY) (\r | |
e29a2e7e | 180 | IN EFI_STATUS Status, \r |
b45b45b2 | 181 | IN UINT8 IcmpErr,\r |
e29a2e7e | 182 | IN EFI_NET_SESSION_DATA *NetSession,\r |
183 | IN NET_BUF *Pkt,\r | |
184 | IN VOID *Context\r | |
97b38d4e | 185 | );\r |
186 | \r | |
e29a2e7e | 187 | /**\r |
188 | The prototype is called back when an IP packet is sent.\r | |
189 | \r | |
cdfdbb97 | 190 | @param[in] Status Result of the sending\r |
191 | @param[in] Context The data provided by user for the received packet when\r | |
192 | the callback is registered in IP_IO_OPEN_DATA::SndContext.\r | |
fb115c61 | 193 | @param[in] Sender A pointer to EFI_IP4_PROTOCOL or EFI_IP6_PROTOCOL\r |
cdfdbb97 | 194 | @param[in] NotifyData Context data specified when calling IpIoSend()\r |
e29a2e7e | 195 | \r |
196 | **/\r | |
97b38d4e | 197 | typedef\r |
198 | VOID\r | |
199 | (*PKT_SENT_NOTIFY) (\r | |
e29a2e7e | 200 | IN EFI_STATUS Status,\r |
201 | IN VOID *Context,\r | |
202 | IN VOID *Sender,\r | |
203 | IN VOID *NotifyData\r | |
97b38d4e | 204 | );\r |
205 | \r | |
e29a2e7e | 206 | ///\r |
fb115c61 | 207 | /// This data structure wraps Ip4/Ip6 instances. The IpIo Library uses it for all\r |
208 | /// Ip4/Ip6 operations.\r | |
e29a2e7e | 209 | ///\r |
97b38d4e | 210 | typedef struct _IP_IO {\r |
e29a2e7e | 211 | ///\r |
212 | /// The node used to link this IpIo to the active IpIo list.\r | |
213 | ///\r | |
97b38d4e | 214 | LIST_ENTRY Entry;\r |
215 | \r | |
e29a2e7e | 216 | ///\r |
217 | /// The list used to maintain the IP instance for different sending purpose.\r | |
218 | ///\r | |
97b38d4e | 219 | LIST_ENTRY IpList;\r |
e29a2e7e | 220 | \r |
97b38d4e | 221 | EFI_HANDLE Controller;\r |
222 | EFI_HANDLE Image;\r | |
223 | EFI_HANDLE ChildHandle;\r | |
e29a2e7e | 224 | //\r |
225 | // The IP instance consumed by this IP_IO\r | |
226 | //\r | |
fb115c61 | 227 | VOID *Ip;\r |
97b38d4e | 228 | BOOLEAN IsConfigured;\r |
229 | \r | |
e29a2e7e | 230 | ///\r |
cdfdbb97 | 231 | /// Some ip config data can be changed\r |
e29a2e7e | 232 | ///\r |
97b38d4e | 233 | UINT8 Protocol;\r |
234 | \r | |
e29a2e7e | 235 | ///\r |
236 | /// Token and event used to get data from IP\r | |
237 | ///\r | |
fb115c61 | 238 | IP_IO_IP_COMPLETION_TOKEN RcvToken; \r |
97b38d4e | 239 | \r |
e29a2e7e | 240 | ///\r |
241 | /// List entry used to link the token passed to IP_IO\r | |
242 | ///\r | |
97b38d4e | 243 | LIST_ENTRY PendingSndList;\r |
244 | \r | |
245 | //\r | |
246 | // User interface used to get notify from IP_IO\r | |
247 | //\r | |
e29a2e7e | 248 | VOID *RcvdContext; ///< See IP_IO_OPEN_DATA::RcvdContext\r |
249 | VOID *SndContext; ///< See IP_IO_OPEN_DATA::SndContext\r | |
250 | PKT_RCVD_NOTIFY PktRcvdNotify; ///< See IP_IO_OPEN_DATA::PktRcvdNotify\r | |
251 | PKT_SENT_NOTIFY PktSentNotify; ///< See IP_IO_OPEN_DATA::PktSentNotify\r | |
b45b45b2 | 252 | UINT8 IpVersion;\r |
97b38d4e | 253 | } IP_IO;\r |
254 | \r | |
e29a2e7e | 255 | ///\r |
e9b67286 | 256 | /// The struct is for the user to pass IP configuration and callbacks to IP_IO.\r |
e29a2e7e | 257 | /// It is used by IpIoOpen().\r |
258 | ///\r | |
97b38d4e | 259 | typedef struct _IP_IO_OPEN_DATA {\r |
fb115c61 | 260 | IP_IO_IP_CONFIG_DATA IpConfigData; ///< Configuration of the IP instance\r |
261 | VOID *RcvdContext; ///< Context data used by receive callback\r | |
262 | VOID *SndContext; ///< Context data used by send callback\r | |
263 | PKT_RCVD_NOTIFY PktRcvdNotify; ///< Receive callback\r | |
264 | PKT_SENT_NOTIFY PktSentNotify; ///< Send callback\r | |
97b38d4e | 265 | } IP_IO_OPEN_DATA;\r |
266 | \r | |
e29a2e7e | 267 | ///\r |
268 | /// Internal struct book-keeping send request of IP_IO.\r | |
269 | ///\r | |
270 | /// An IP_IO_SEND_ENTRY will be created each time a send request is issued to\r | |
271 | /// IP_IO via IpIoSend().\r | |
272 | ///\r | |
97b38d4e | 273 | typedef struct _IP_IO_SEND_ENTRY {\r |
274 | LIST_ENTRY Entry;\r | |
275 | IP_IO *IpIo;\r | |
276 | VOID *Context;\r | |
277 | VOID *NotifyData;\r | |
fb115c61 | 278 | VOID *Ip;\r |
97b38d4e | 279 | NET_BUF *Pkt;\r |
fb115c61 | 280 | IP_IO_IP_COMPLETION_TOKEN SndToken;\r |
97b38d4e | 281 | } IP_IO_SEND_ENTRY;\r |
282 | \r | |
e29a2e7e | 283 | ///\r |
284 | /// The IP_IO_IP_INFO is used in IpIoSend() to override the default IP instance\r | |
285 | /// in IP_IO.\r | |
286 | ///\r | |
97b38d4e | 287 | typedef struct _IP_IO_IP_INFO {\r |
fb115c61 | 288 | EFI_IP_ADDRESS Addr;\r |
b45b45b2 | 289 | IP_IO_IP_MASK PreMask;\r |
97b38d4e | 290 | LIST_ENTRY Entry;\r |
291 | EFI_HANDLE ChildHandle;\r | |
fb115c61 | 292 | VOID *Ip;\r |
293 | IP_IO_IP_COMPLETION_TOKEN DummyRcvToken;\r | |
97b38d4e | 294 | INTN RefCnt;\r |
b45b45b2 | 295 | UINT8 IpVersion;\r |
97b38d4e | 296 | } IP_IO_IP_INFO;\r |
297 | \r | |
298 | /**\r | |
299 | Create a new IP_IO instance.\r | |
e29a2e7e | 300 | \r |
fb115c61 | 301 | This function uses IP4/IP6 service binding protocol in Controller to create\r |
302 | an IP4/IP6 child (aka IP4/IP6 instance).\r | |
97b38d4e | 303 | \r |
cdfdbb97 | 304 | @param[in] Image The image handle of the driver or application that\r |
e29a2e7e | 305 | consumes IP_IO.\r |
fb115c61 | 306 | @param[in] Controller The controller handle that has IP4 or IP6 service\r |
307 | binding protocol installed.\r | |
308 | @param[in] IpVersion The version of the IP protocol to use, either\r | |
309 | IPv4 or IPv6. \r | |
97b38d4e | 310 | \r |
e29a2e7e | 311 | @return Pointer to a newly created IP_IO instance, or NULL if failed.\r |
97b38d4e | 312 | \r |
313 | **/\r | |
314 | IP_IO *\r | |
315 | EFIAPI\r | |
316 | IpIoCreate (\r | |
317 | IN EFI_HANDLE Image,\r | |
fb115c61 | 318 | IN EFI_HANDLE Controller,\r |
b45b45b2 | 319 | IN UINT8 IpVersion\r |
97b38d4e | 320 | );\r |
321 | \r | |
322 | /**\r | |
323 | Destroy an IP_IO instance.\r | |
e29a2e7e | 324 | \r |
325 | This function is paired with IpIoCreate(). The IP_IO will be closed first.\r | |
326 | Resource will be freed afterwards. See IpIoClose().\r | |
97b38d4e | 327 | \r |
cdfdbb97 | 328 | @param[in, out] IpIo Pointer to the IP_IO instance that needs to be\r |
e29a2e7e | 329 | destroyed.\r |
97b38d4e | 330 | \r |
cdfdbb97 | 331 | @retval EFI_SUCCESS The IP_IO instance destroyed successfully.\r |
332 | @retval Others Error condition occurred.\r | |
97b38d4e | 333 | \r |
334 | **/\r | |
335 | EFI_STATUS\r | |
336 | EFIAPI\r | |
337 | IpIoDestroy (\r | |
cdfdbb97 | 338 | IN OUT IP_IO *IpIo\r |
97b38d4e | 339 | );\r |
340 | \r | |
341 | /**\r | |
342 | Stop an IP_IO instance.\r | |
e29a2e7e | 343 | \r |
e9b67286 | 344 | This function is paired with IpIoOpen(). The IP_IO will be unconfigured, and all\r |
345 | pending send/receive tokens will be canceled.\r | |
97b38d4e | 346 | \r |
cdfdbb97 | 347 | @param[in, out] IpIo Pointer to the IP_IO instance that needs to stop.\r |
97b38d4e | 348 | \r |
cdfdbb97 | 349 | @retval EFI_SUCCESS The IP_IO instance stopped successfully.\r |
350 | @retval Others Error condition occurred.\r | |
97b38d4e | 351 | \r |
352 | **/\r | |
353 | EFI_STATUS\r | |
354 | EFIAPI\r | |
355 | IpIoStop (\r | |
cdfdbb97 | 356 | IN OUT IP_IO *IpIo\r |
97b38d4e | 357 | );\r |
358 | \r | |
359 | /**\r | |
360 | Open an IP_IO instance for use.\r | |
e29a2e7e | 361 | \r |
362 | This function is called after IpIoCreate(). It is used for configuring the IP\r | |
363 | instance and register the callbacks and their context data for sending and\r | |
364 | receiving IP packets.\r | |
97b38d4e | 365 | \r |
cdfdbb97 | 366 | @param[in, out] IpIo Pointer to an IP_IO instance that needs\r |
367 | to open.\r | |
368 | @param[in] OpenData The configuration data and callbacks for\r | |
369 | the IP_IO instance.\r | |
97b38d4e | 370 | \r |
cdfdbb97 | 371 | @retval EFI_SUCCESS The IP_IO instance opened with OpenData\r |
372 | successfully.\r | |
373 | @retval EFI_ACCESS_DENIED The IP_IO instance is configured, avoid to \r | |
374 | reopen it.\r | |
375 | @retval Others Error condition occurred.\r | |
97b38d4e | 376 | \r |
377 | **/\r | |
378 | EFI_STATUS\r | |
e29a2e7e | 379 | EFIAPI\r |
97b38d4e | 380 | IpIoOpen (\r |
cdfdbb97 | 381 | IN OUT IP_IO *IpIo,\r |
382 | IN IP_IO_OPEN_DATA *OpenData\r | |
97b38d4e | 383 | );\r |
384 | \r | |
385 | /**\r | |
386 | Send out an IP packet.\r | |
e29a2e7e | 387 | \r |
388 | This function is called after IpIoOpen(). The data to be sent are wrapped in\r | |
e9b67286 | 389 | Pkt. The IP instance wrapped in IpIo is used for sending by default, but can be\r |
390 | overriden by Sender. Other sending configurations, such as source address and gateway\r | |
391 | address, are specified in OverrideData.\r | |
97b38d4e | 392 | \r |
cdfdbb97 | 393 | @param[in, out] IpIo Pointer to an IP_IO instance used for sending IP\r |
394 | packet.\r | |
395 | @param[in, out] Pkt Pointer to the IP packet to be sent.\r | |
e9b67286 | 396 | @param[in] Sender Optional. The IP protocol instance used for sending.\r |
3a1ab4bc | 397 | @param[in] Context Optional context data.\r |
398 | @param[in] NotifyData Optional notify data.\r | |
cdfdbb97 | 399 | @param[in] Dest The destination IP address to send this packet to.\r |
400 | @param[in] OverrideData The data to override some configuration of the IP\r | |
401 | instance used for sending.\r | |
97b38d4e | 402 | \r |
cdfdbb97 | 403 | @retval EFI_SUCCESS The operation is completed successfully.\r |
404 | @retval EFI_NOT_STARTED The IpIo is not configured.\r | |
405 | @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.\r | |
97b38d4e | 406 | \r |
407 | **/\r | |
408 | EFI_STATUS\r | |
409 | EFIAPI\r | |
410 | IpIoSend (\r | |
cdfdbb97 | 411 | IN OUT IP_IO *IpIo,\r |
412 | IN OUT NET_BUF *Pkt,\r | |
413 | IN IP_IO_IP_INFO *Sender OPTIONAL,\r | |
414 | IN VOID *Context OPTIONAL,\r | |
415 | IN VOID *NotifyData OPTIONAL,\r | |
fb115c61 | 416 | IN EFI_IP_ADDRESS *Dest,\r |
cdfdbb97 | 417 | IN IP_IO_OVERRIDE *OverrideData OPTIONAL\r |
97b38d4e | 418 | );\r |
419 | \r | |
420 | /**\r | |
421 | Cancel the IP transmit token which wraps this Packet.\r | |
422 | \r | |
cdfdbb97 | 423 | @param[in] IpIo Pointer to the IP_IO instance.\r |
424 | @param[in] Packet Pointer to the packet of NET_BUF to cancel.\r | |
97b38d4e | 425 | \r |
426 | **/\r | |
427 | VOID\r | |
428 | EFIAPI\r | |
429 | IpIoCancelTxToken (\r | |
430 | IN IP_IO *IpIo,\r | |
431 | IN VOID *Packet\r | |
432 | );\r | |
433 | \r | |
434 | /**\r | |
435 | Add a new IP instance for sending data.\r | |
e29a2e7e | 436 | \r |
437 | The function is used to add the IP_IO to the IP_IO sending list. The caller\r | |
438 | can later use IpIoFindSender() to get the IP_IO and call IpIoSend() to send\r | |
439 | data.\r | |
97b38d4e | 440 | \r |
e9b67286 | 441 | @param[in, out] IpIo Pointer to an IP_IO instance to add a new IP\r |
442 | instance for sending purposes.\r | |
97b38d4e | 443 | \r |
e29a2e7e | 444 | @return Pointer to the created IP_IO_IP_INFO structure, NULL if failed.\r |
97b38d4e | 445 | \r |
446 | **/\r | |
447 | IP_IO_IP_INFO *\r | |
448 | EFIAPI\r | |
449 | IpIoAddIp (\r | |
cdfdbb97 | 450 | IN OUT IP_IO *IpIo\r |
97b38d4e | 451 | );\r |
452 | \r | |
453 | /**\r | |
fb115c61 | 454 | Configure the IP instance of this IpInfo and start the receiving if IpConfigData\r |
97b38d4e | 455 | is not NULL.\r |
456 | \r | |
cdfdbb97 | 457 | @param[in, out] IpInfo Pointer to the IP_IO_IP_INFO instance.\r |
fb115c61 | 458 | @param[in, out] IpConfigData The IP4 or IP6 configure data used to configure \r |
459 | the IP instance. If NULL, the IP instance is reset.\r | |
460 | If UseDefaultAddress is set to TRUE, and the configure\r | |
cdfdbb97 | 461 | operation succeeds, the default address information\r |
fb115c61 | 462 | is written back in this IpConfigData.\r |
97b38d4e | 463 | \r |
e9b67286 | 464 | @retval EFI_SUCCESS The IP instance of this IpInfo is configured successfully,\r |
465 | or there is no need to reconfigure it.\r | |
466 | @retval Others Configuration failed.\r | |
97b38d4e | 467 | \r |
468 | **/\r | |
469 | EFI_STATUS\r | |
470 | EFIAPI\r | |
471 | IpIoConfigIp (\r | |
cdfdbb97 | 472 | IN OUT IP_IO_IP_INFO *IpInfo,\r |
fb115c61 | 473 | IN OUT VOID *IpConfigData OPTIONAL\r |
97b38d4e | 474 | );\r |
475 | \r | |
476 | /**\r | |
477 | Destroy an IP instance maintained in IpIo->IpList for\r | |
478 | sending purpose.\r | |
e29a2e7e | 479 | \r |
480 | This function pairs with IpIoAddIp(). The IpInfo is previously created by\r | |
481 | IpIoAddIp(). The IP_IO_IP_INFO::RefCnt is decremented and the IP instance\r | |
482 | will be dstroyed if the RefCnt is zero.\r | |
97b38d4e | 483 | \r |
cdfdbb97 | 484 | @param[in] IpIo Pointer to the IP_IO instance.\r |
485 | @param[in] IpInfo Pointer to the IpInfo to be removed.\r | |
97b38d4e | 486 | \r |
97b38d4e | 487 | **/\r |
488 | VOID\r | |
489 | EFIAPI\r | |
490 | IpIoRemoveIp (\r | |
491 | IN IP_IO *IpIo,\r | |
492 | IN IP_IO_IP_INFO *IpInfo\r | |
493 | );\r | |
494 | \r | |
495 | /**\r | |
496 | Find the first IP protocol maintained in IpIo whose local\r | |
e9b67286 | 497 | address is the same as Src.\r |
e29a2e7e | 498 | \r |
499 | This function is called when the caller needs the IpIo to send data to the\r | |
500 | specified Src. The IpIo was added previously by IpIoAddIp().\r | |
97b38d4e | 501 | \r |
cdfdbb97 | 502 | @param[in, out] IpIo Pointer to the pointer of the IP_IO instance.\r |
fb115c61 | 503 | @param[in] IpVersion The version of the IP protocol to use, either\r |
504 | IPv4 or IPv6.\r | |
cdfdbb97 | 505 | @param[in] Src The local IP address.\r |
97b38d4e | 506 | \r |
507 | @return Pointer to the IP protocol can be used for sending purpose and its local\r | |
e29a2e7e | 508 | address is the same with Src.\r |
97b38d4e | 509 | \r |
510 | **/\r | |
511 | IP_IO_IP_INFO *\r | |
512 | EFIAPI\r | |
513 | IpIoFindSender (\r | |
fb115c61 | 514 | IN OUT IP_IO **IpIo,\r |
b45b45b2 | 515 | IN UINT8 IpVersion,\r |
fb115c61 | 516 | IN EFI_IP_ADDRESS *Src\r |
97b38d4e | 517 | );\r |
518 | \r | |
519 | /**\r | |
e29a2e7e | 520 | Get the ICMP error map information.\r |
521 | \r | |
522 | The ErrorStatus will be returned. The IsHard and Notify are optional. If they\r | |
523 | are not NULL, this routine will fill them.\r | |
97b38d4e | 524 | \r |
3a1ab4bc | 525 | @param[in] IcmpError IcmpError Type.\r |
fb115c61 | 526 | @param[in] IpVersion The version of the IP protocol to use,\r |
527 | either IPv4 or IPv6.\r | |
528 | \r | |
3a1ab4bc | 529 | @param[out] IsHard Whether it is a hard error.\r |
530 | @param[out] Notify Whether it need to notify SockError.\r | |
97b38d4e | 531 | \r |
cdfdbb97 | 532 | @return ICMP Error Status, such as EFI_NETWORK_UNREACHABLE.\r |
97b38d4e | 533 | \r |
534 | **/\r | |
535 | EFI_STATUS\r | |
536 | EFIAPI\r | |
537 | IpIoGetIcmpErrStatus (\r | |
b45b45b2 | 538 | IN UINT8 IcmpError,\r |
539 | IN UINT8 IpVersion,\r | |
e29a2e7e | 540 | OUT BOOLEAN *IsHard OPTIONAL,\r |
541 | OUT BOOLEAN *Notify OPTIONAL\r | |
97b38d4e | 542 | );\r |
543 | \r | |
fb115c61 | 544 | /**\r |
545 | Refresh the remote peer's Neighbor Cache entries.\r | |
546 | \r | |
547 | This function is called when the caller needs the IpIo to refresh the existing\r | |
548 | IPv6 neighbor cache entries since the neighbor is considered reachable by the \r | |
549 | node has recently received a confirmation that packets sent recently to the \r | |
550 | neighbor were received by its IP layer. \r | |
551 | \r | |
552 | @param[in] IpIo Pointer to an IP_IO instance\r | |
553 | @param[in] Neighbor The IP address of the neighbor\r | |
554 | @param[in] Timeout Time in 100-ns units that this entry will\r | |
555 | remain in the neighbor cache. A value of \r | |
556 | zero means that the entry is permanent. \r | |
557 | A value of non-zero means that the entry is \r | |
558 | dynamic and will be deleted after Timeout.\r | |
559 | \r | |
560 | @retval EFI_SUCCESS The operation is completed successfully.\r | |
561 | @retval EFI_NOT_STARTED The IpIo is not configured.\r | |
562 | @retval EFI_INVALID_PARAMETER Neighbor Address is invalid.\r | |
563 | @retval EFI_NOT_FOUND The neighbor cache entry is not in the \r | |
564 | neighbor table. \r | |
565 | @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.\r | |
566 | \r | |
567 | **/\r | |
568 | EFI_STATUS\r | |
569 | IpIoRefreshNeighbor (\r | |
570 | IN IP_IO *IpIo,\r | |
571 | IN EFI_IP_ADDRESS *Neighbor,\r | |
572 | IN UINT32 Timeout \r | |
573 | );\r | |
574 | \r | |
97b38d4e | 575 | #endif\r |
fb115c61 | 576 | \r |