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83cbd279 | 1 | /** @file\r |
3e8c18da | 2 | EFI UDPv4 protocol implementation.\r |
3 | \r | |
aeddd425 | 4 | Copyright (c) 2006 - 2009, Intel Corporation.<BR>\r |
83cbd279 | 5 | All rights reserved. This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
83cbd279 | 13 | **/\r |
14 | \r | |
15 | #ifndef _UDP4_IMPL_H_\r | |
16 | #define _UDP4_IMPL_H_\r | |
17 | \r | |
2517435c | 18 | #include <Uefi.h>\r |
8a67d61d | 19 | \r |
eaf343ff | 20 | #include <Protocol/Ip4.h>\r |
8a67d61d | 21 | #include <Protocol/Udp4.h>\r |
83cbd279 | 22 | \r |
8a67d61d | 23 | #include <Library/IpIoLib.h>\r |
24 | #include <Library/DebugLib.h>\r | |
25 | #include <Library/UefiRuntimeServicesTableLib.h>\r | |
26 | #include <Library/UefiDriverEntryPoint.h>\r | |
27 | #include <Library/UefiBootServicesTableLib.h>\r | |
28 | #include <Library/BaseLib.h>\r | |
83cbd279 | 29 | #include <Library/UefiLib.h>\r |
30 | #include <Library/BaseMemoryLib.h>\r | |
31 | #include <Library/MemoryAllocationLib.h>\r | |
19873973 | 32 | #include <Library/TimerLib.h>\r |
d8d26fb2 | 33 | #include <Library/DpcLib.h>\r |
83cbd279 | 34 | \r |
35 | #include "Udp4Driver.h"\r | |
36 | \r | |
37 | \r | |
38 | extern EFI_COMPONENT_NAME_PROTOCOL gUdp4ComponentName;\r | |
39 | extern EFI_COMPONENT_NAME2_PROTOCOL gUdp4ComponentName2;\r | |
40 | extern EFI_SERVICE_BINDING_PROTOCOL mUdp4ServiceBinding;\r | |
41 | extern EFI_UDP4_PROTOCOL mUdp4Protocol;\r | |
42 | extern UINT16 mUdp4RandomPort;\r | |
43 | \r | |
44 | #define ICMP_ERROR_PACKET_LENGTH 8\r | |
45 | \r | |
aeddd425 | 46 | #define UDP4_TIMEOUT_INTERVAL (50 * TICKS_PER_MS) // 50 milliseconds\r |
83cbd279 | 47 | \r |
fb115c61 | 48 | #define UDP4_HEADER_SIZE sizeof (EFI_UDP_HEADER)\r |
83cbd279 | 49 | #define UDP4_MAX_DATA_SIZE 65507\r |
50 | \r | |
51 | #define UDP4_PORT_KNOWN 1024\r | |
52 | \r | |
f3f2e05d | 53 | #define UDP4_SERVICE_DATA_SIGNATURE SIGNATURE_32('U', 'd', 'p', '4')\r |
83cbd279 | 54 | \r |
55 | #define UDP4_SERVICE_DATA_FROM_THIS(a) \\r | |
56 | CR ( \\r | |
57 | (a), \\r | |
58 | UDP4_SERVICE_DATA, \\r | |
59 | ServiceBinding, \\r | |
60 | UDP4_SERVICE_DATA_SIGNATURE \\r | |
61 | )\r | |
62 | \r | |
63 | typedef struct _UDP4_SERVICE_DATA_ {\r | |
64 | UINT32 Signature;\r | |
65 | EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;\r | |
66 | EFI_HANDLE ImageHandle;\r | |
67 | EFI_HANDLE ControllerHandle;\r | |
e48e37fc | 68 | LIST_ENTRY ChildrenList;\r |
83cbd279 | 69 | UINTN ChildrenNumber;\r |
70 | IP_IO *IpIo;\r | |
71 | \r | |
72 | EFI_EVENT TimeoutEvent;\r | |
73 | \r | |
74 | CHAR16 *MacString;\r | |
75 | } UDP4_SERVICE_DATA;\r | |
76 | \r | |
f3f2e05d | 77 | #define UDP4_INSTANCE_DATA_SIGNATURE SIGNATURE_32('U', 'd', 'p', 'I')\r |
83cbd279 | 78 | \r |
79 | #define UDP4_INSTANCE_DATA_FROM_THIS(a) \\r | |
80 | CR ( \\r | |
81 | (a), \\r | |
82 | UDP4_INSTANCE_DATA, \\r | |
83 | Udp4Proto, \\r | |
84 | UDP4_INSTANCE_DATA_SIGNATURE \\r | |
85 | )\r | |
86 | \r | |
87 | typedef struct _UDP4_INSTANCE_DATA_ {\r | |
88 | UINT32 Signature;\r | |
e48e37fc | 89 | LIST_ENTRY Link;\r |
83cbd279 | 90 | \r |
91 | UDP4_SERVICE_DATA *Udp4Service;\r | |
92 | EFI_UDP4_PROTOCOL Udp4Proto;\r | |
93 | EFI_UDP4_CONFIG_DATA ConfigData;\r | |
94 | EFI_HANDLE ChildHandle;\r | |
95 | BOOLEAN Configured;\r | |
96 | BOOLEAN IsNoMapping;\r | |
97 | \r | |
98 | NET_MAP TxTokens;\r | |
99 | NET_MAP RxTokens;\r | |
100 | \r | |
101 | NET_MAP McastIps;\r | |
102 | \r | |
e48e37fc | 103 | LIST_ENTRY RcvdDgramQue;\r |
104 | LIST_ENTRY DeliveredDgramQue;\r | |
83cbd279 | 105 | \r |
106 | UINT16 HeadSum;\r | |
107 | \r | |
108 | EFI_STATUS IcmpError;\r | |
109 | \r | |
110 | IP_IO_IP_INFO *IpInfo;\r | |
111 | \r | |
112 | BOOLEAN Destroyed;\r | |
113 | } UDP4_INSTANCE_DATA;\r | |
114 | \r | |
115 | typedef struct _UDP4_RXDATA_WRAP_ {\r | |
e48e37fc | 116 | LIST_ENTRY Link;\r |
83cbd279 | 117 | NET_BUF *Packet;\r |
118 | UINT32 TimeoutTick;\r | |
119 | EFI_UDP4_RECEIVE_DATA RxData;\r | |
120 | } UDP4_RXDATA_WRAP;\r | |
121 | \r | |
ce904bae | 122 | /**\r |
123 | Reads the current operational settings.\r | |
124 | \r | |
125 | The GetModeData() function copies the current operational settings of this EFI\r | |
126 | UDPv4 Protocol instance into user-supplied buffers. This function is used\r | |
127 | optionally to retrieve the operational mode data of underlying networks or\r | |
128 | drivers.\r | |
129 | \r | |
47c75f64 | 130 | @param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.\r |
131 | @param[out] Udp4ConfigData Pointer to the buffer to receive the current configuration data.\r | |
132 | @param[out] Ip4ModeData Pointer to the EFI IPv4 Protocol mode data structure.\r | |
133 | @param[out] MnpConfigData Pointer to the managed network configuration data structure.\r | |
134 | @param[out] SnpModeData Pointer to the simple network mode data structure.\r | |
ce904bae | 135 | \r |
136 | @retval EFI_SUCCESS The mode data was read.\r | |
137 | @retval EFI_NOT_STARTED When Udp4ConfigData is queried, no configuration data is\r | |
138 | available because this instance has not been started.\r | |
139 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
140 | \r | |
141 | **/\r | |
83cbd279 | 142 | EFI_STATUS\r |
143 | EFIAPI\r | |
144 | Udp4GetModeData (\r | |
145 | IN EFI_UDP4_PROTOCOL *This,\r | |
146 | OUT EFI_UDP4_CONFIG_DATA *Udp4ConfigData OPTIONAL,\r | |
147 | OUT EFI_IP4_MODE_DATA *Ip4ModeData OPTIONAL,\r | |
148 | OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,\r | |
149 | OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL\r | |
150 | );\r | |
151 | \r | |
ce904bae | 152 | /**\r |
153 | Initializes, changes, or resets the operational parameters for this instance of the EFI UDPv4\r | |
154 | Protocol.\r | |
155 | \r | |
156 | The Configure() function is used to do the following:\r | |
157 | * Initialize and start this instance of the EFI UDPv4 Protocol.\r | |
158 | * Change the filtering rules and operational parameters.\r | |
159 | * Reset this instance of the EFI UDPv4 Protocol.\r | |
160 | Until these parameters are initialized, no network traffic can be sent or\r | |
161 | received by this instance. This instance can be also reset by calling Configure()\r | |
162 | with UdpConfigData set to NULL. Once reset, the receiving queue and transmitting\r | |
163 | queue are flushed and no traffic is allowed through this instance.\r | |
164 | With different parameters in UdpConfigData, Configure() can be used to bind\r | |
165 | this instance to specified port.\r | |
166 | \r | |
3e8c18da | 167 | @param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.\r |
168 | @param[in] UdpConfigData Pointer to the buffer to receive the current configuration data.\r | |
ce904bae | 169 | \r |
170 | @retval EFI_SUCCESS The configuration settings were set, changed, or reset successfully.\r | |
171 | @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,\r | |
172 | RARP, etc.) is not finished yet.\r | |
173 | @retval EFI_INVALID_PARAMETER One or more following conditions are TRUE:\r | |
174 | @retval EFI_ALREADY_STARTED The EFI UDPv4 Protocol instance is already started/configured\r | |
175 | and must be stopped/reset before it can be reconfigured.\r | |
176 | @retval EFI_ACCESS_DENIED UdpConfigData. AllowDuplicatePort is FALSE\r | |
177 | and UdpConfigData.StationPort is already used by\r | |
178 | other instance.\r | |
179 | @retval EFI_OUT_OF_RESOURCES The EFI UDPv4 Protocol driver cannot allocate memory for this\r | |
180 | EFI UDPv4 Protocol instance.\r | |
181 | @retval EFI_DEVICE_ERROR An unexpected network or system error occurred and this instance\r | |
182 | was not opened. \r | |
183 | \r | |
184 | **/\r | |
83cbd279 | 185 | EFI_STATUS\r |
186 | EFIAPI\r | |
187 | Udp4Configure (\r | |
188 | IN EFI_UDP4_PROTOCOL *This,\r | |
189 | IN EFI_UDP4_CONFIG_DATA *UdpConfigData OPTIONAL\r | |
190 | );\r | |
191 | \r | |
ce904bae | 192 | /**\r |
193 | Joins and leaves multicast groups.\r | |
194 | \r | |
195 | The Groups() function is used to enable and disable the multicast group\r | |
196 | filtering. If the JoinFlag is FALSE and the MulticastAddress is NULL, then all\r | |
197 | currently joined groups are left.\r | |
198 | \r | |
3e8c18da | 199 | @param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.\r |
200 | @param[in] JoinFlag Set to TRUE to join a multicast group. Set to FALSE to leave one\r | |
201 | or all multicast groups.\r | |
202 | @param[in] MulticastAddress Pointer to multicast group address to join or leave.\r | |
ce904bae | 203 | \r |
204 | @retval EFI_SUCCESS The operation completed successfully.\r | |
205 | @retval EFI_NOT_STARTED The EFI UDPv4 Protocol instance has not been started.\r | |
206 | @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,\r | |
207 | RARP, etc.) is not finished yet.\r | |
208 | @retval EFI_OUT_OF_RESOURCES Could not allocate resources to join the group.\r | |
209 | @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r | |
210 | - This is NULL.\r | |
211 | - JoinFlag is TRUE and MulticastAddress is NULL.\r | |
212 | - JoinFlag is TRUE and *MulticastAddress is not\r | |
213 | a valid multicast address.\r | |
214 | @retval EFI_ALREADY_STARTED The group address is already in the group table (when\r | |
215 | JoinFlag is TRUE).\r | |
216 | @retval EFI_NOT_FOUND The group address is not in the group table (when JoinFlag is\r | |
217 | FALSE).\r | |
218 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
219 | \r | |
220 | **/\r | |
83cbd279 | 221 | EFI_STATUS\r |
222 | EFIAPI\r | |
223 | Udp4Groups (\r | |
224 | IN EFI_UDP4_PROTOCOL *This,\r | |
225 | IN BOOLEAN JoinFlag,\r | |
226 | IN EFI_IPv4_ADDRESS *MulticastAddress OPTIONAL\r | |
227 | );\r | |
228 | \r | |
ce904bae | 229 | /**\r |
230 | Adds and deletes routing table entries.\r | |
231 | \r | |
232 | The Routes() function adds a route to or deletes a route from the routing table.\r | |
233 | Routes are determined by comparing the SubnetAddress with the destination IP\r | |
234 | address and arithmetically AND-ing it with the SubnetMask. The gateway address\r | |
235 | must be on the same subnet as the configured station address.\r | |
236 | The default route is added with SubnetAddress and SubnetMask both set to 0.0.0.0.\r | |
237 | The default route matches all destination IP addresses that do not match any\r | |
238 | other routes.\r | |
239 | A zero GatewayAddress is a nonroute. Packets are sent to the destination IP\r | |
240 | address if it can be found in the Address Resolution Protocol (ARP) cache or\r | |
241 | on the local subnet. One automatic nonroute entry will be inserted into the\r | |
242 | routing table for outgoing packets that are addressed to a local subnet\r | |
243 | (gateway address of 0.0.0.0).\r | |
244 | Each instance of the EFI UDPv4 Protocol has its own independent routing table.\r | |
245 | Instances of the EFI UDPv4 Protocol that use the default IP address will also\r | |
246 | have copies of the routing table provided by the EFI_IP4_CONFIG_PROTOCOL. These\r | |
247 | copies will be updated automatically whenever the IP driver reconfigures its\r | |
248 | instances; as a result, the previous modification to these copies will be lost.\r | |
249 | \r | |
3e8c18da | 250 | @param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.\r |
251 | @param[in] DeleteRoute Set to TRUE to delete this route from the routing table.\r | |
252 | Set to FALSE to add this route to the routing table.\r | |
253 | @param[in] SubnetAddress The destination network address that needs to be routed.\r | |
254 | @param[in] SubnetMask The subnet mask of SubnetAddress.\r | |
255 | @param[in] GatewayAddress The gateway IP address for this route.\r | |
ce904bae | 256 | \r |
257 | @retval EFI_SUCCESS The operation completed successfully.\r | |
258 | @retval EFI_NOT_STARTED The EFI UDPv4 Protocol instance has not been started.\r | |
259 | @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,\r | |
260 | - RARP, etc.) is not finished yet.\r | |
261 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
262 | @retval EFI_OUT_OF_RESOURCES Could not add the entry to the routing table.\r | |
263 | @retval EFI_NOT_FOUND This route is not in the routing table.\r | |
264 | @retval EFI_ACCESS_DENIED The route is already defined in the routing table.\r | |
265 | \r | |
266 | **/\r | |
83cbd279 | 267 | EFI_STATUS\r |
268 | EFIAPI\r | |
269 | Udp4Routes (\r | |
270 | IN EFI_UDP4_PROTOCOL *This,\r | |
271 | IN BOOLEAN DeleteRoute,\r | |
272 | IN EFI_IPv4_ADDRESS *SubnetAddress,\r | |
273 | IN EFI_IPv4_ADDRESS *SubnetMask,\r | |
274 | IN EFI_IPv4_ADDRESS *GatewayAddress\r | |
275 | );\r | |
276 | \r | |
ce904bae | 277 | /**\r |
278 | Queues outgoing data packets into the transmit queue.\r | |
279 | \r | |
280 | The Transmit() function places a sending request to this instance of the EFI\r | |
281 | UDPv4 Protocol, alongside the transmit data that was filled by the user. Whenever\r | |
282 | the packet in the token is sent out or some errors occur, the Token.Event will\r | |
283 | be signaled and Token.Status is updated. Providing a proper notification function\r | |
284 | and context for the event will enable the user to receive the notification and\r | |
285 | transmitting status.\r | |
286 | \r | |
3e8c18da | 287 | @param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.\r |
288 | @param[in] Token Pointer to the completion token that will be placed into the\r | |
289 | transmit queue.\r | |
ce904bae | 290 | \r |
291 | @retval EFI_SUCCESS The data has been queued for transmission.\r | |
292 | @retval EFI_NOT_STARTED This EFI UDPv4 Protocol instance has not been started.\r | |
293 | @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,\r | |
294 | RARP, etc.) is not finished yet.\r | |
295 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
296 | @retval EFI_ACCESS_DENIED The transmit completion token with the same\r | |
297 | Token.Event was already in the transmit queue.\r | |
298 | @retval EFI_NOT_READY The completion token could not be queued because the\r | |
299 | transmit queue is full.\r | |
300 | @retval EFI_OUT_OF_RESOURCES Could not queue the transmit data.\r | |
301 | @retval EFI_NOT_FOUND There is no route to the destination network or address.\r | |
302 | @retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP packet\r | |
303 | size. Or the length of the IP header + UDP header + data\r | |
304 | length is greater than MTU if DoNotFragment is TRUE.\r | |
305 | \r | |
306 | **/\r | |
83cbd279 | 307 | EFI_STATUS\r |
308 | EFIAPI\r | |
309 | Udp4Transmit (\r | |
310 | IN EFI_UDP4_PROTOCOL *This,\r | |
311 | IN EFI_UDP4_COMPLETION_TOKEN *Token\r | |
312 | );\r | |
313 | \r | |
ce904bae | 314 | /**\r |
315 | Places an asynchronous receive request into the receiving queue.\r | |
316 | \r | |
317 | The Receive() function places a completion token into the receive packet queue.\r | |
318 | This function is always asynchronous.\r | |
319 | The caller must fill in the Token.Event field in the completion token, and this\r | |
320 | field cannot be NULL. When the receive operation completes, the EFI UDPv4 Protocol\r | |
321 | driver updates the Token.Status and Token.Packet.RxData fields and the Token.Event\r | |
322 | is signaled. Providing a proper notification function and context for the event\r | |
323 | will enable the user to receive the notification and receiving status. That\r | |
324 | notification function is guaranteed to not be re-entered.\r | |
325 | \r | |
3e8c18da | 326 | @param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.\r |
327 | @param[in] Token Pointer to a token that is associated with\r | |
328 | the receive data descriptor.\r | |
ce904bae | 329 | \r |
330 | @retval EFI_SUCCESS The receive completion token was cached.\r | |
331 | @retval EFI_NOT_STARTED This EFI UDPv4 Protocol instance has not been started.\r | |
332 | @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP, RARP, etc.)\r | |
333 | is not finished yet.\r | |
334 | @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r | |
335 | @retval EFI_OUT_OF_RESOURCES The receive completion token could not be queued due to a lack of system\r | |
336 | resources (usually memory).\r | |
337 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
338 | @retval EFI_ACCESS_DENIED A receive completion token with the same Token.Event was already in\r | |
339 | the receive queue.\r | |
340 | @retval EFI_NOT_READY The receive request could not be queued because the receive queue is full.\r | |
341 | \r | |
342 | **/\r | |
83cbd279 | 343 | EFI_STATUS\r |
344 | EFIAPI\r | |
345 | Udp4Receive (\r | |
346 | IN EFI_UDP4_PROTOCOL *This,\r | |
347 | IN EFI_UDP4_COMPLETION_TOKEN *Token\r | |
348 | );\r | |
349 | \r | |
ce904bae | 350 | /**\r |
351 | Aborts an asynchronous transmit or receive request.\r | |
352 | \r | |
353 | The Cancel() function is used to abort a pending transmit or receive request.\r | |
354 | If the token is in the transmit or receive request queues, after calling this\r | |
355 | function, Token.Status will be set to EFI_ABORTED and then Token.Event will be\r | |
356 | signaled. If the token is not in one of the queues, which usually means that\r | |
357 | the asynchronous operation has completed, this function will not signal the\r | |
358 | token and EFI_NOT_FOUND is returned.\r | |
359 | \r | |
3e8c18da | 360 | @param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.\r |
361 | @param[in] Token Pointer to a token that has been issued by\r | |
362 | EFI_UDP4_PROTOCOL.Transmit() or\r | |
363 | EFI_UDP4_PROTOCOL.Receive().If NULL, all pending\r | |
364 | tokens are aborted.\r | |
ce904bae | 365 | \r |
366 | @retval EFI_SUCCESS The asynchronous I/O request was aborted and Token.Event\r | |
367 | was signaled. When Token is NULL, all pending requests are\r | |
368 | aborted and their events are signaled.\r | |
369 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
370 | @retval EFI_NOT_STARTED This instance has not been started.\r | |
371 | @retval EFI_NO_MAPPING When using the default address, configuration (DHCP, BOOTP,\r | |
372 | RARP, etc.) is not finished yet.\r | |
373 | @retval EFI_NOT_FOUND When Token is not NULL, the asynchronous I/O request was\r | |
374 | not found in the transmit or receive queue. It has either completed\r | |
375 | or was not issued by Transmit() and Receive().\r | |
376 | \r | |
377 | **/\r | |
83cbd279 | 378 | EFI_STATUS\r |
379 | EFIAPI\r | |
380 | Udp4Cancel (\r | |
381 | IN EFI_UDP4_PROTOCOL *This,\r | |
382 | IN EFI_UDP4_COMPLETION_TOKEN *Token OPTIONAL\r | |
383 | );\r | |
384 | \r | |
ce904bae | 385 | /**\r |
386 | Polls for incoming data packets and processes outgoing data packets.\r | |
387 | \r | |
388 | The Poll() function can be used by network drivers and applications to increase\r | |
389 | the rate that data packets are moved between the communications device and the\r | |
390 | transmit and receive queues.\r | |
391 | In some systems, the periodic timer event in the managed network driver may not\r | |
392 | poll the underlying communications device fast enough to transmit and/or receive\r | |
393 | all data packets without missing incoming packets or dropping outgoing packets.\r | |
394 | Drivers and applications that are experiencing packet loss should try calling\r | |
395 | the Poll() function more often.\r | |
396 | \r | |
3e8c18da | 397 | @param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.\r |
ce904bae | 398 | \r |
399 | @retval EFI_SUCCESS Incoming or outgoing data was processed.\r | |
400 | @retval EFI_INVALID_PARAMETER This is NULL.\r | |
401 | @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r | |
402 | @retval EFI_TIMEOUT Data was dropped out of the transmit and/or receive queue.\r | |
403 | \r | |
404 | **/\r | |
83cbd279 | 405 | EFI_STATUS\r |
406 | EFIAPI\r | |
407 | Udp4Poll (\r | |
408 | IN EFI_UDP4_PROTOCOL *This\r | |
409 | );\r | |
410 | \r | |
ce904bae | 411 | /**\r |
412 | Create the Udp service context data.\r | |
413 | \r | |
47c75f64 | 414 | @param[in, out] Udp4Service Pointer to the UDP4_SERVICE_DATA.\r |
415 | @param[in] ImageHandle The image handle of this udp4 driver.\r | |
416 | @param[in] ControllerHandle The controller handle this udp4 driver binds on.\r | |
ce904bae | 417 | \r |
47c75f64 | 418 | @retval EFI_SUCCESS The udp4 service context data is created and\r |
419 | initialized.\r | |
420 | @retval EFI_OUT_OF_RESOURCES Cannot allocate memory.\r | |
421 | @retval other Other error occurs.\r | |
ce904bae | 422 | \r |
423 | **/\r | |
83cbd279 | 424 | EFI_STATUS\r |
425 | Udp4CreateService (\r | |
ce904bae | 426 | IN OUT UDP4_SERVICE_DATA *Udp4Service,\r |
427 | IN EFI_HANDLE ImageHandle,\r | |
428 | IN EFI_HANDLE ControllerHandle\r | |
83cbd279 | 429 | );\r |
430 | \r | |
ce904bae | 431 | /**\r |
432 | Clean the Udp service context data.\r | |
433 | \r | |
3e8c18da | 434 | @param[in] Udp4Service Pointer to the UDP4_SERVICE_DATA.\r |
ce904bae | 435 | \r |
436 | **/\r | |
83cbd279 | 437 | VOID\r |
438 | Udp4CleanService (\r | |
439 | IN UDP4_SERVICE_DATA *Udp4Service\r | |
440 | );\r | |
441 | \r | |
ce904bae | 442 | /**\r |
443 | This function intializes the new created udp instance.\r | |
444 | \r | |
47c75f64 | 445 | @param[in] Udp4Service Pointer to the UDP4_SERVICE_DATA.\r |
446 | @param[in, out] Instance Pointer to the un-initialized UDP4_INSTANCE_DATA.\r | |
ce904bae | 447 | \r |
ce904bae | 448 | **/\r |
83cbd279 | 449 | VOID\r |
450 | Udp4InitInstance (\r | |
ce904bae | 451 | IN UDP4_SERVICE_DATA *Udp4Service,\r |
452 | IN OUT UDP4_INSTANCE_DATA *Instance\r | |
83cbd279 | 453 | );\r |
454 | \r | |
ce904bae | 455 | /**\r |
456 | This function cleans the udp instance.\r | |
457 | \r | |
3e8c18da | 458 | @param[in] Instance Pointer to the UDP4_INSTANCE_DATA to clean.\r |
ce904bae | 459 | \r |
460 | **/\r | |
83cbd279 | 461 | VOID\r |
462 | Udp4CleanInstance (\r | |
463 | IN UDP4_INSTANCE_DATA *Instance\r | |
464 | );\r | |
465 | \r | |
ce904bae | 466 | /**\r |
467 | This function tries to bind the udp instance according to the configured port\r | |
468 | allocation strategy.\r | |
469 | \r | |
47c75f64 | 470 | @param[in] InstanceList Pointer to the head of the list linking the udp\r |
ce904bae | 471 | instances.\r |
47c75f64 | 472 | @param[in, out] ConfigData Pointer to the ConfigData of the instance to be\r |
ce904bae | 473 | bound. ConfigData->StationPort will be assigned\r |
474 | with an available port value on success.\r | |
475 | \r | |
476 | @retval EFI_SUCCESS The bound operation is completed successfully.\r | |
477 | @retval EFI_ACCESS_DENIED The <Address, Port> specified by the ConfigData is\r | |
478 | already used by other instance.\r | |
479 | @retval EFI_OUT_OF_RESOURCES No available port resources.\r | |
480 | \r | |
481 | **/\r | |
83cbd279 | 482 | EFI_STATUS\r |
483 | Udp4Bind (\r | |
ce904bae | 484 | IN LIST_ENTRY *InstanceList,\r |
485 | IN OUT EFI_UDP4_CONFIG_DATA *ConfigData\r | |
83cbd279 | 486 | );\r |
487 | \r | |
ce904bae | 488 | /**\r |
489 | This function is used to check whether the NewConfigData has any un-reconfigurable\r | |
490 | parameters changed compared to the OldConfigData.\r | |
491 | \r | |
3e8c18da | 492 | @param[in] OldConfigData Pointer to the current ConfigData the udp instance\r |
ce904bae | 493 | uses.\r |
3e8c18da | 494 | @param[in] NewConfigData Pointer to the new ConfigData.\r |
ce904bae | 495 | \r |
496 | @retval TRUE The instance is reconfigurable.\r | |
497 | @retval FALSE Otherwise.\r | |
498 | \r | |
499 | **/\r | |
83cbd279 | 500 | BOOLEAN\r |
501 | Udp4IsReconfigurable (\r | |
502 | IN EFI_UDP4_CONFIG_DATA *OldConfigData,\r | |
503 | IN EFI_UDP4_CONFIG_DATA *NewConfigData\r | |
504 | );\r | |
505 | \r | |
ce904bae | 506 | /**\r |
507 | This function builds the Ip4 configdata from the Udp4ConfigData.\r | |
508 | \r | |
3e8c18da | 509 | @param[in] Udp4ConfigData Pointer to the EFI_UDP4_CONFIG_DATA.\r |
510 | @param[in, out] Ip4ConfigData Pointer to the EFI_IP4_CONFIG_DATA.\r | |
ce904bae | 511 | \r |
512 | **/\r | |
83cbd279 | 513 | VOID\r |
514 | Udp4BuildIp4ConfigData (\r | |
ce904bae | 515 | IN EFI_UDP4_CONFIG_DATA *Udp4ConfigData,\r |
516 | IN OUT EFI_IP4_CONFIG_DATA *Ip4ConfigData\r | |
83cbd279 | 517 | );\r |
518 | \r | |
ce904bae | 519 | /**\r |
520 | This function validates the TxToken, it returns the error code according to the spec.\r | |
521 | \r | |
3e8c18da | 522 | @param[in] Instance Pointer to the udp instance context data.\r |
523 | @param[in] TxToken Pointer to the token to be checked.\r | |
ce904bae | 524 | \r |
525 | @retval EFI_SUCCESS The TxToken is valid.\r | |
526 | @retval EFI_INVALID_PARAMETER One or more of the following are TRUE: This is\r | |
527 | NULL. Token is NULL. Token.Event is NULL.\r | |
528 | Token.Packet.TxData is NULL.\r | |
529 | Token.Packet.TxData.FragmentCount is zero.\r | |
530 | Token.Packet.TxData.DataLength is not equal to the\r | |
531 | sum of fragment lengths. One or more of the\r | |
532 | Token.Packet.TxData.FragmentTable[].\r | |
533 | FragmentLength fields is zero. One or more of the\r | |
534 | Token.Packet.TxData.FragmentTable[].\r | |
535 | FragmentBuffer fields is NULL.\r | |
536 | Token.Packet.TxData. GatewayAddress is not a\r | |
537 | unicast IPv4 address if it is not NULL. One or\r | |
538 | more IPv4 addresses in Token.Packet.TxData.\r | |
539 | UdpSessionData are not valid unicast IPv4\r | |
540 | addresses if the UdpSessionData is not NULL.\r | |
541 | @retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP\r | |
542 | packet size.\r | |
543 | \r | |
544 | **/\r | |
83cbd279 | 545 | EFI_STATUS\r |
546 | Udp4ValidateTxToken (\r | |
547 | IN UDP4_INSTANCE_DATA *Instance,\r | |
548 | IN EFI_UDP4_COMPLETION_TOKEN *TxToken\r | |
549 | );\r | |
550 | \r | |
ce904bae | 551 | /**\r |
552 | This function checks whether the specified Token duplicates with the one in the Map.\r | |
553 | \r | |
3e8c18da | 554 | @param[in] Map Pointer to the NET_MAP.\r |
555 | @param[in] Item Pointer to the NET_MAP_ITEM contain the pointer to\r | |
ce904bae | 556 | the Token.\r |
3e8c18da | 557 | @param[in] Context Pointer to the Token to be checked.\r |
ce904bae | 558 | \r |
559 | @retval EFI_SUCCESS The Token specified by Context differs from the\r | |
560 | one in the Item.\r | |
561 | @retval EFI_ACCESS_DENIED The Token duplicates with the one in the Item.\r | |
562 | \r | |
563 | **/\r | |
83cbd279 | 564 | EFI_STATUS\r |
565 | Udp4TokenExist (\r | |
566 | IN NET_MAP *Map,\r | |
567 | IN NET_MAP_ITEM *Item,\r | |
568 | IN VOID *Context\r | |
569 | );\r | |
570 | \r | |
ce904bae | 571 | /**\r |
572 | This function calculates the checksum for the Packet, utilizing the pre-calculated\r | |
573 | pseudo HeadSum to reduce some overhead.\r | |
574 | \r | |
3e8c18da | 575 | @param[in] Packet Pointer to the NET_BUF contains the udp datagram.\r |
576 | @param[in] HeadSum Checksum of the pseudo header execpt the length\r | |
ce904bae | 577 | field.\r |
578 | \r | |
3e8c18da | 579 | @retval The 16-bit checksum of this udp datagram.\r |
ce904bae | 580 | \r |
581 | **/\r | |
83cbd279 | 582 | UINT16\r |
583 | Udp4Checksum (\r | |
584 | IN NET_BUF *Packet,\r | |
585 | IN UINT16 HeadSum\r | |
586 | );\r | |
587 | \r | |
ce904bae | 588 | /**\r |
589 | This function removes the specified Token from the TokenMap.\r | |
590 | \r | |
47c75f64 | 591 | @param[in, out] TokenMap Pointer to the NET_MAP containing the tokens.\r |
592 | @param[in] Token Pointer to the Token to be removed.\r | |
ce904bae | 593 | \r |
594 | @retval EFI_SUCCESS The specified Token is removed from the TokenMap.\r | |
595 | @retval EFI_NOT_FOUND The specified Token is not found in the TokenMap.\r | |
596 | \r | |
597 | **/\r | |
83cbd279 | 598 | EFI_STATUS\r |
599 | Udp4RemoveToken (\r | |
ce904bae | 600 | IN OUT NET_MAP *TokenMap,\r |
601 | IN EFI_UDP4_COMPLETION_TOKEN *Token\r | |
83cbd279 | 602 | );\r |
603 | \r | |
ce904bae | 604 | /**\r |
605 | This function removes the multicast group specified by Arg from the Map.\r | |
606 | \r | |
47c75f64 | 607 | @param[in, out] Map Pointer to the NET_MAP.\r |
608 | @param[in] Item Pointer to the NET_MAP_ITEM.\r | |
609 | @param[in] Arg Pointer to the Arg, it's the pointer to a\r | |
ce904bae | 610 | multicast IPv4 Address.\r |
611 | \r | |
612 | @retval EFI_SUCCESS The multicast address is removed.\r | |
613 | @retval EFI_ABORTED The specified multicast address is removed and the\r | |
614 | Arg is not NULL.\r | |
615 | \r | |
616 | **/\r | |
83cbd279 | 617 | EFI_STATUS\r |
618 | Udp4LeaveGroup (\r | |
ce904bae | 619 | IN OUT NET_MAP *Map,\r |
620 | IN NET_MAP_ITEM *Item,\r | |
621 | IN VOID *Arg OPTIONAL\r | |
83cbd279 | 622 | );\r |
623 | \r | |
ce904bae | 624 | /**\r |
625 | This function removes all the Wrap datas in the RcvdDgramQue.\r | |
626 | \r | |
3e8c18da | 627 | @param[in] Instance Pointer to the udp instance context data.\r |
ce904bae | 628 | \r |
629 | **/\r | |
83cbd279 | 630 | VOID\r |
36ee91ca | 631 | Udp4FlushRcvdDgram (\r |
632 | IN UDP4_INSTANCE_DATA *Instance\r | |
83cbd279 | 633 | );\r |
634 | \r | |
ce904bae | 635 | /**\r |
636 | Cancel Udp4 tokens from the Udp4 instance.\r | |
637 | \r | |
3e8c18da | 638 | @param[in] Instance Pointer to the udp instance context data.\r |
639 | @param[in] Token Pointer to the token to be canceled, if NULL, all\r | |
ce904bae | 640 | tokens in this instance will be cancelled.\r |
641 | \r | |
642 | @retval EFI_SUCCESS The Token is cancelled.\r | |
643 | @retval EFI_NOT_FOUND The Token is not found.\r | |
644 | \r | |
645 | **/\r | |
83cbd279 | 646 | EFI_STATUS\r |
647 | Udp4InstanceCancelToken (\r | |
648 | IN UDP4_INSTANCE_DATA *Instance,\r | |
649 | IN EFI_UDP4_COMPLETION_TOKEN *Token OPTIONAL\r | |
650 | );\r | |
651 | \r | |
ce904bae | 652 | /**\r |
653 | This function delivers the received datagrams for the specified instance.\r | |
654 | \r | |
3e8c18da | 655 | @param[in] Instance Pointer to the instance context data.\r |
ce904bae | 656 | \r |
657 | **/\r | |
83cbd279 | 658 | VOID\r |
659 | Udp4InstanceDeliverDgram (\r | |
660 | IN UDP4_INSTANCE_DATA *Instance\r | |
661 | );\r | |
662 | \r | |
ce904bae | 663 | /**\r |
664 | This function reports the received ICMP error.\r | |
665 | \r | |
3e8c18da | 666 | @param[in] Instance Pointer to the udp instance context data.\r |
ce904bae | 667 | \r |
668 | **/\r | |
83cbd279 | 669 | VOID\r |
670 | Udp4ReportIcmpError (\r | |
671 | IN UDP4_INSTANCE_DATA *Instance\r | |
672 | );\r | |
673 | \r | |
ce904bae | 674 | /**\r |
675 | This function is a dummy ext-free function for the NET_BUF created for the output\r | |
676 | udp datagram.\r | |
677 | \r | |
3e8c18da | 678 | @param[in] Context Pointer to the context data.\r |
ce904bae | 679 | \r |
680 | **/\r | |
83cbd279 | 681 | VOID\r |
682 | Udp4NetVectorExtFree (\r | |
683 | VOID *Context\r | |
684 | );\r | |
685 | \r | |
ce904bae | 686 | /**\r |
687 | Set the Udp4 variable data.\r | |
688 | \r | |
47c75f64 | 689 | @param[in] Udp4Service Udp4 service data.\r |
ce904bae | 690 | \r |
691 | @retval EFI_OUT_OF_RESOURCES There are not enough resources to set the\r | |
692 | variable.\r | |
693 | @retval EFI_SUCCESS Set variable successfully.\r | |
694 | @retval other Set variable failed.\r | |
695 | \r | |
696 | **/\r | |
83cbd279 | 697 | EFI_STATUS\r |
698 | Udp4SetVariableData (\r | |
699 | IN UDP4_SERVICE_DATA *Udp4Service\r | |
700 | );\r | |
701 | \r | |
ce904bae | 702 | /**\r |
703 | Clear the variable and free the resource.\r | |
704 | \r | |
3e8c18da | 705 | @param[[in] Udp4Service Udp4 service data.\r |
ce904bae | 706 | \r |
707 | **/\r | |
83cbd279 | 708 | VOID\r |
709 | Udp4ClearVariableData (\r | |
710 | IN UDP4_SERVICE_DATA *Udp4Service\r | |
711 | );\r | |
712 | \r | |
713 | #endif\r | |
714 | \r |