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Fix a bug about the iSCSI DHCP dependency issue.
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d7ce7006 1/** @file\r
2 Definitions for the EFI Socket layer library.\r
3\r
4 Copyright (c) 2011, Intel Corporation\r
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\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
13**/\r
14\r
15#ifndef _EFI_SOCKET_LIB_H_\r
16#define _EFI_SOCKET_LIB_H_\r
17\r
18#include <Uefi.h>\r
19\r
20#include <Library/BaseMemoryLib.h>\r
21#include <Library/DebugLib.h>\r
a88c3163 22#include <Library/MemoryAllocationLib.h>\r
d7ce7006 23#include <Library/UefiBootServicesTableLib.h>\r
24#include <Library/UefiLib.h>\r
25\r
26#include <Protocol/EfiSocket.h>\r
27#include <Protocol/ServiceBinding.h>\r
28#include <Protocol/Tcp4.h>\r
3bdf9aae 29#include <Protocol/Tcp6.h>\r
d7ce7006 30#include <Protocol/Udp4.h>\r
3bdf9aae 31#include <Protocol/Udp6.h>\r
d7ce7006 32\r
33#include <sys/time.h>\r
34\r
35//------------------------------------------------------------------------------\r
36// Constants\r
37//------------------------------------------------------------------------------\r
38\r
39#define DEBUG_TPL 0x40000000 ///< Display TPL change messages\r
40\r
41#define TPL_SOCKETS TPL_CALLBACK ///< TPL for routine synchronization\r
42\r
43//------------------------------------------------------------------------------\r
44// Macros\r
45//------------------------------------------------------------------------------\r
46\r
47#if defined(_MSC_VER) /* Handle Microsoft VC++ compiler specifics. */\r
48#define DBG_ENTER() DEBUG (( DEBUG_INFO, "Entering " __FUNCTION__ "\n" )) ///< Display routine entry\r
49#define DBG_EXIT() DEBUG (( DEBUG_INFO, "Exiting " __FUNCTION__ "\n" )) ///< Display routine exit\r
50#define DBG_EXIT_DEC(Status) DEBUG (( DEBUG_INFO, "Exiting " __FUNCTION__ ", Status: %d\n", Status )) ///< Display routine exit with decimal value\r
51#define DBG_EXIT_HEX(Status) DEBUG (( DEBUG_INFO, "Exiting " __FUNCTION__ ", Status: 0x%08x\n", Status )) ///< Display routine exit with hex value\r
52#define DBG_EXIT_STATUS(Status) DEBUG (( DEBUG_INFO, "Exiting " __FUNCTION__ ", Status: %r\n", Status )) ///< Display routine exit with status value\r
53#define DBG_EXIT_TF(Status) DEBUG (( DEBUG_INFO, "Exiting " __FUNCTION__ ", returning %s\n", (FALSE == Status) ? L"FALSE" : L"TRUE" )) ///< Display routine with TRUE/FALSE value\r
54#else // _MSC_VER\r
a88c3163 55#define DBG_ENTER() ///< Display routine entry\r
56#define DBG_EXIT() ///< Display routine exit\r
57#define DBG_EXIT_DEC(Status) ///< Display routine exit with decimal value\r
58#define DBG_EXIT_HEX(Status) ///< Display routine exit with hex value\r
59#define DBG_EXIT_STATUS(Status) ///< Display routine exit with status value\r
60#define DBG_EXIT_TF(Status) ///< Display routine with TRUE/FALSE value\r
d7ce7006 61#endif // _MSC_VER\r
62\r
63#define DIM(x) ( sizeof ( x ) / sizeof ( x[0] )) ///< Compute the number of entries in an array\r
64\r
65/**\r
66 Verify new TPL value\r
67\r
68 This macro which is enabled when debug is enabled verifies that\r
69 the new TPL value is >= the current TPL value.\r
70**/\r
71#ifdef VERIFY_TPL\r
72#undef VERIFY_TPL\r
73#endif // VERIFY_TPL\r
74\r
75#if !defined(MDEPKG_NDEBUG)\r
76\r
a88c3163 77/**\r
78 Verify that the TPL is at the correct level\r
79**/\r
80#define VERIFY_AT_TPL(tpl) \\r
81{ \\r
82 EFI_TPL PreviousTpl; \\r
83 \\r
84 PreviousTpl = EfiGetCurrentTpl ( ); \\r
85 if ( PreviousTpl != tpl ) { \\r
86 DEBUG (( DEBUG_ERROR | DEBUG_TPL, \\r
87 "Current TPL: %d, New TPL: %d\r\n", \\r
88 PreviousTpl, tpl )); \\r
89 ASSERT ( PreviousTpl == tpl ); \\r
90 } \\r
91}\r
92\r
d7ce7006 93#define VERIFY_TPL(tpl) \\r
94{ \\r
95 EFI_TPL PreviousTpl; \\r
96 \\r
a88c3163 97 PreviousTpl = EfiGetCurrentTpl ( ); \\r
d7ce7006 98 if ( PreviousTpl > tpl ) { \\r
99 DEBUG (( DEBUG_ERROR | DEBUG_TPL, \\r
100 "Current TPL: %d, New TPL: %d\r\n", \\r
101 PreviousTpl, tpl )); \\r
102 ASSERT ( PreviousTpl <= tpl ); \\r
103 } \\r
104}\r
105\r
106#else // MDEPKG_NDEBUG\r
107\r
a88c3163 108#define VERIFY_AT_TPL(tpl) ///< Verify that the TPL is at the correct level\r
109#define VERIFY_TPL(tpl) ///< Verify that the TPL is at the correct level\r
d7ce7006 110\r
111#endif // MDEPKG_NDEBUG\r
112\r
a88c3163 113/**\r
114 Raise TPL to the specified level\r
115**/\r
d7ce7006 116#define RAISE_TPL(PreviousTpl, tpl) \\r
117 VERIFY_TPL ( tpl ); \\r
f74dc4bb 118 PreviousTpl = gBS->RaiseTPL ( tpl );\r
d7ce7006 119\r
a88c3163 120/**\r
121 Restore the TPL to the previous value\r
122**/\r
d7ce7006 123#define RESTORE_TPL(tpl) \\r
a88c3163 124 gBS->RestoreTPL ( tpl )\r
d7ce7006 125\r
126//------------------------------------------------------------------------------\r
127// Data Types\r
128//------------------------------------------------------------------------------\r
129\r
a88c3163 130typedef struct _ESL_SERVICE ESL_SERVICE; ///< Forward delcaration\r
d7ce7006 131\r
132/**\r
133 Protocol binding and installation control structure\r
134\r
135 The driver uses this structure to simplify the driver binding processing.\r
136**/\r
137typedef struct {\r
138 CHAR16 * pName; ///< Protocol name\r
139 EFI_GUID * pNetworkBinding; ///< Network service binding protocol for socket support\r
a88c3163 140 EFI_GUID * pNetworkProtocolGuid;///< Network protocol GUID\r
d7ce7006 141 CONST EFI_GUID * pTagGuid; ///< Tag to mark protocol in use\r
a88c3163 142 UINTN ServiceListOffset; ///< Offset in ::ESL_LAYER for the list of services\r
143 UINTN RxIo; ///< Number of receive ESL_IO_MGMT structures for data\r
144 UINTN TxIoNormal; ///< Number of transmit ESL_IO_MGMT structures for normal data\r
145 UINTN TxIoUrgent; ///< Number of transmit ESL_IO_MGMT structures for urgent data\r
146} ESL_SOCKET_BINDING;\r
d7ce7006 147\r
148//------------------------------------------------------------------------------\r
149// GUIDs\r
150//------------------------------------------------------------------------------\r
151\r
a88c3163 152extern CONST EFI_GUID mEslIp4ServiceGuid; ///< Tag GUID for the IPv4 layer\r
3bdf9aae 153extern CONST EFI_GUID mEslIp6ServiceGuid; ///< Tag GUID for the IPv6 layer\r
a88c3163 154extern CONST EFI_GUID mEslTcp4ServiceGuid; ///< Tag GUID for the TCPv4 layer\r
3bdf9aae 155extern CONST EFI_GUID mEslTcp6ServiceGuid; ///< Tag GUID for the TCPv6 layer\r
a88c3163 156extern CONST EFI_GUID mEslUdp4ServiceGuid; ///< Tag GUID for the UDPv4 layer\r
3bdf9aae 157extern CONST EFI_GUID mEslUdp6ServiceGuid; ///< Tag GUID for the UDPv6 layer\r
d7ce7006 158\r
159//------------------------------------------------------------------------------\r
160// Data\r
161//------------------------------------------------------------------------------\r
162\r
a88c3163 163extern CONST ESL_SOCKET_BINDING cEslSocketBinding[];///< List of network service bindings\r
164extern CONST UINTN cEslSocketBindingEntries; ///< Number of network service bindings\r
d7ce7006 165\r
166//------------------------------------------------------------------------------\r
a88c3163 167// DXE Support Routines\r
d7ce7006 168//------------------------------------------------------------------------------\r
169\r
170/**\r
a88c3163 171 Creates a child handle and installs a protocol.\r
d7ce7006 172\r
a88c3163 173 When the socket application is linked against UseSocketDxe, the ::socket\r
174 routine indirectly calls this routine in SocketDxe to create a child\r
175 handle if necessary and install the socket protocol on the handle.\r
176 Upon return, EslServiceGetProtocol in UseSocketLib returns the\r
177 ::EFI_SOCKET_PROTOCOL address to the socket routine.\r
d7ce7006 178\r
a88c3163 179 @param [in] pThis Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.\r
180 @param [in] pChildHandle Pointer to the handle of the child to create. If it is NULL,\r
181 then a new handle is created. If it is a pointer to an existing UEFI handle, \r
182 then the protocol is added to the existing UEFI handle.\r
d7ce7006 183\r
a88c3163 184 @retval EFI_SUCCESS The protocol was added to ChildHandle.\r
185 @retval EFI_INVALID_PARAMETER ChildHandle is NULL.\r
186 @retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create\r
187 the child\r
188 @retval other The child handle was not created\r
d7ce7006 189\r
190**/\r
191EFI_STATUS\r
192EFIAPI\r
a88c3163 193EslDxeCreateChild (\r
194 IN EFI_SERVICE_BINDING_PROTOCOL * pThis,\r
195 IN OUT EFI_HANDLE * pChildHandle\r
d7ce7006 196 );\r
197\r
198/**\r
a88c3163 199 Destroys a child handle with a protocol installed on it.\r
200 \r
201 When the socket application is linked against UseSocketDxe, the ::close\r
202 routine indirectly calls this routine in SocketDxe to undo the operations\r
203 done by the ::EslDxeCreateChild routine. This routine removes the socket\r
204 protocol from the handle and then destroys the child handle if there are\r
205 no other protocols attached.\r
d7ce7006 206\r
a88c3163 207 @param [in] pThis Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.\r
208 @param [in] ChildHandle Handle of the child to destroy\r
d7ce7006 209\r
a88c3163 210 @retval EFI_SUCCESS The protocol was removed from ChildHandle.\r
211 @retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is being removed.\r
212 @retval EFI_INVALID_PARAMETER Child handle is not a valid UEFI Handle.\r
213 @retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle\r
214 because its services are being used.\r
215 @retval other The child handle was not destroyed\r
d7ce7006 216\r
217**/\r
218EFI_STATUS\r
219EFIAPI\r
a88c3163 220EslDxeDestroyChild (\r
221 IN EFI_SERVICE_BINDING_PROTOCOL * pThis,\r
222 IN EFI_HANDLE ChildHandle\r
d7ce7006 223 );\r
224\r
225/**\r
226Install the socket service\r
227\r
a88c3163 228SocketDxe uses this routine to announce the socket interface to\r
229the rest of EFI.\r
230\r
d7ce7006 231@param [in] pImageHandle Address of the image handle\r
232\r
233@retval EFI_SUCCESS Service installed successfully\r
234**/\r
235EFI_STATUS\r
236EFIAPI\r
a88c3163 237EslDxeInstall (\r
d7ce7006 238 IN EFI_HANDLE * pImageHandle\r
239 );\r
240\r
d7ce7006 241/**\r
242Uninstall the socket service\r
243\r
a88c3163 244SocketDxe uses this routine to notify EFI that the socket layer\r
245is no longer available.\r
246\r
d7ce7006 247@param [in] ImageHandle Handle for the image.\r
248\r
249@retval EFI_SUCCESS Service installed successfully\r
250**/\r
251EFI_STATUS\r
252EFIAPI\r
a88c3163 253EslDxeUninstall (\r
d7ce7006 254 IN EFI_HANDLE ImageHandle\r
255 );\r
256\r
a88c3163 257//------------------------------------------------------------------------------\r
258// Service Support Routines\r
259//------------------------------------------------------------------------------\r
260\r
d7ce7006 261/**\r
a88c3163 262 Connect to the network service bindings\r
263\r
264 Walk the network service protocols on the controller handle and\r
265 locate any that are not in use. Create ::ESL_SERVICE structures to\r
266 manage the network layer interfaces for the socket driver. Tag\r
267 each of the network interfaces that are being used. Finally, this\r
268 routine calls ESL_SOCKET_BINDING::pfnInitialize to prepare the network\r
269 interface for use by the socket layer.\r
270\r
271 @param [in] BindingHandle Handle for protocol binding.\r
272 @param [in] Controller Handle of device to work with.\r
273\r
274 @retval EFI_SUCCESS This driver is added to Controller.\r
275 @retval other This driver does not support this device.\r
d7ce7006 276\r
277**/\r
a88c3163 278EFI_STATUS\r
d7ce7006 279EFIAPI\r
a88c3163 280EslServiceConnect (\r
281 IN EFI_HANDLE BindingHandle,\r
282 IN EFI_HANDLE Controller\r
d7ce7006 283 );\r
284\r
d7ce7006 285/**\r
a88c3163 286 Shutdown the connections to the network layer by locating the\r
287 tags on the network interfaces established by ::EslServiceConnect.\r
288 This routine calls ESL_SOCKET_BINDING::pfnShutdown to shutdown the any\r
289 activity on the network interface and then free the ::ESL_SERVICE\r
290 structures.\r
d7ce7006 291\r
a88c3163 292 @param [in] BindingHandle Handle for protocol binding.\r
293 @param [in] Controller Handle of device to stop driver on.\r
d7ce7006 294\r
a88c3163 295 @retval EFI_SUCCESS This driver is removed Controller.\r
296 @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r
297 @retval other This driver was not removed from this device.\r
d7ce7006 298\r
299**/\r
300EFI_STATUS\r
301EFIAPI\r
a88c3163 302EslServiceDisconnect (\r
303 IN EFI_HANDLE BindingHandle,\r
304 IN EFI_HANDLE Controller\r
d7ce7006 305 );\r
306\r
307/**\r
a88c3163 308Initialize the service layer\r
d7ce7006 309\r
a88c3163 310@param [in] ImageHandle Handle for the image.\r
d7ce7006 311\r
a88c3163 312**/\r
313VOID\r
314EFIAPI\r
315EslServiceLoad (\r
316 IN EFI_HANDLE ImageHandle\r
317 );\r
d7ce7006 318\r
a88c3163 319/**\r
320 Shutdown the service layer\r
d7ce7006 321\r
322**/\r
a88c3163 323VOID\r
d7ce7006 324EFIAPI\r
a88c3163 325EslServiceUnload (\r
326 VOID\r
d7ce7006 327 );\r
328\r
329//------------------------------------------------------------------------------\r
330// Socket Protocol Routines\r
331//------------------------------------------------------------------------------\r
332\r
333/**\r
334 Bind a name to a socket.\r
335\r
a88c3163 336 This routine calls the network specific layer to save the network\r
337 address of the local connection point.\r
d7ce7006 338\r
a88c3163 339 The ::bind routine calls this routine to connect a name\r
340 (network address and port) to a socket on the local machine.\r
341\r
342 @param [in] pSocketProtocol Address of an ::EFI_SOCKET_PROTOCOL structure.\r
d7ce7006 343\r
344 @param [in] pSockAddr Address of a sockaddr structure that contains the\r
345 connection point on the local machine. An IPv4 address\r
346 of INADDR_ANY specifies that the connection is made to\r
347 all of the network stacks on the platform. Specifying a\r
348 specific IPv4 address restricts the connection to the\r
349 network stack supporting that address. Specifying zero\r
350 for the port causes the network layer to assign a port\r
351 number from the dynamic range. Specifying a specific\r
352 port number causes the network layer to use that port.\r
353\r
a88c3163 354 @param [in] SockAddrLength Specifies the length in bytes of the sockaddr structure.\r
d7ce7006 355\r
356 @param [out] pErrno Address to receive the errno value upon completion.\r
357\r
358 @retval EFI_SUCCESS - Socket successfully created\r
359\r
360 **/\r
361EFI_STATUS\r
362EslSocketBind (\r
363 IN EFI_SOCKET_PROTOCOL * pSocketProtocol,\r
a88c3163 364 IN CONST struct sockaddr * pSockAddr,\r
d7ce7006 365 IN socklen_t SockAddrLength,\r
366 OUT int * pErrno\r
367 );\r
368\r
369/**\r
370 Determine if the socket is closed\r
371\r
a88c3163 372 This routine checks the state of the socket to determine if\r
373 the network specific layer has completed the close operation.\r
374\r
375 The ::close routine polls this routine to determine when the\r
376 close operation is complete. The close operation needs to\r
377 reverse the operations of the ::EslSocketAllocate routine.\r
d7ce7006 378\r
a88c3163 379 @param [in] pSocketProtocol Address of an ::EFI_SOCKET_PROTOCOL structure.\r
d7ce7006 380 @param [out] pErrno Address to receive the errno value upon completion.\r
381\r
382 @retval EFI_SUCCESS Socket successfully closed\r
383 @retval EFI_NOT_READY Close still in progress\r
384 @retval EFI_ALREADY Close operation already in progress\r
385 @retval Other Failed to close the socket\r
386\r
387**/\r
388EFI_STATUS\r
389EslSocketClosePoll (\r
390 IN EFI_SOCKET_PROTOCOL * pSocketProtocol,\r
391 IN int * pErrno\r
392 );\r
393\r
394/**\r
395 Start the close operation on the socket\r
396\r
a88c3163 397 This routine calls the network specific layer to initiate the\r
398 close state machine. This routine then calls the network\r
399 specific layer to determine if the close state machine has gone\r
400 to completion. The result from this poll is returned to the\r
401 caller.\r
d7ce7006 402\r
a88c3163 403 The ::close routine calls this routine to start the close\r
404 operation which reverses the operations of the\r
405 ::EslSocketAllocate routine. The close routine then polls\r
406 the ::EslSocketClosePoll routine to determine when the\r
407 socket is closed.\r
408\r
409 @param [in] pSocketProtocol Address of an ::EFI_SOCKET_PROTOCOL structure.\r
d7ce7006 410 @param [in] bCloseNow Boolean to control close behavior\r
411 @param [out] pErrno Address to receive the errno value upon completion.\r
412\r
413 @retval EFI_SUCCESS Socket successfully closed\r
414 @retval EFI_NOT_READY Close still in progress\r
415 @retval EFI_ALREADY Close operation already in progress\r
416 @retval Other Failed to close the socket\r
417\r
418**/\r
419EFI_STATUS\r
420EslSocketCloseStart (\r
421 IN EFI_SOCKET_PROTOCOL * pSocketProtocol,\r
422 IN BOOLEAN bCloseNow,\r
423 IN int * pErrno\r
424 );\r
425\r
426/**\r
427 Connect to a remote system via the network.\r
428\r
a88c3163 429 This routine calls the network specific layer to establish\r
430 the remote system address and establish the connection to\r
431 the remote system.\r
d7ce7006 432\r
a88c3163 433 The ::connect routine calls this routine to establish a\r
434 connection with the specified remote system. This routine\r
435 is designed to be polled by the connect routine for completion\r
436 of the network connection.\r
437 \r
438 @param [in] pSocketProtocol Address of an ::EFI_SOCKET_PROTOCOL structure.\r
d7ce7006 439\r
a88c3163 440 @param [in] pSockAddr Network address of the remote system.\r
441 \r
d7ce7006 442 @param [in] SockAddrLength Length in bytes of the network address.\r
a88c3163 443 \r
d7ce7006 444 @param [out] pErrno Address to receive the errno value upon completion.\r
a88c3163 445 \r
d7ce7006 446 @retval EFI_SUCCESS The connection was successfully established.\r
447 @retval EFI_NOT_READY The connection is in progress, call this routine again.\r
448 @retval Others The connection attempt failed.\r
449\r
450 **/\r
451EFI_STATUS\r
452EslSocketConnect (\r
453 IN EFI_SOCKET_PROTOCOL * pSocketProtocol,\r
454 IN const struct sockaddr * pSockAddr,\r
455 IN socklen_t SockAddrLength,\r
456 IN int * pErrno\r
457 );\r
458\r
459/**\r
460 Get the local address.\r
461\r
a88c3163 462 This routine calls the network specific layer to get the network\r
463 address of the local host connection point.\r
d7ce7006 464\r
a88c3163 465 The ::getsockname routine calls this routine to obtain the network\r
466 address associated with the local host connection point.\r
467\r
468 @param [in] pSocketProtocol Address of an ::EFI_SOCKET_PROTOCOL structure.\r
469 \r
d7ce7006 470 @param [out] pAddress Network address to receive the local system address\r
471\r
472 @param [in,out] pAddressLength Length of the local network address structure\r
473\r
474 @param [out] pErrno Address to receive the errno value upon completion.\r
475\r
476 @retval EFI_SUCCESS - Local address successfully returned\r
477\r
478 **/\r
479EFI_STATUS\r
480EslSocketGetLocalAddress (\r
481 IN EFI_SOCKET_PROTOCOL * pSocketProtocol,\r
482 OUT struct sockaddr * pAddress,\r
483 IN OUT socklen_t * pAddressLength,\r
484 IN int * pErrno\r
485 );\r
486\r
487/**\r
488 Get the peer address.\r
489\r
a88c3163 490 This routine calls the network specific layer to get the remote\r
491 system connection point.\r
492\r
493 The ::getpeername routine calls this routine to obtain the network\r
494 address of the remote connection point.\r
d7ce7006 495\r
a88c3163 496 @param [in] pSocketProtocol Address of an ::EFI_SOCKET_PROTOCOL structure.\r
497 \r
d7ce7006 498 @param [out] pAddress Network address to receive the remote system address\r
499\r
500 @param [in,out] pAddressLength Length of the remote network address structure\r
501\r
502 @param [out] pErrno Address to receive the errno value upon completion.\r
503\r
504 @retval EFI_SUCCESS - Remote address successfully returned\r
505\r
506 **/\r
507EFI_STATUS\r
508EslSocketGetPeerAddress (\r
509 IN EFI_SOCKET_PROTOCOL * pSocketProtocol,\r
510 OUT struct sockaddr * pAddress,\r
511 IN OUT socklen_t * pAddressLength,\r
512 IN int * pErrno\r
513 );\r
514\r
515/**\r
516 Establish the known port to listen for network connections.\r
517\r
a88c3163 518 This routine calls into the network protocol layer to establish\r
519 a handler that is called upon connection completion. The handler\r
520 is responsible for inserting the connection into the FIFO.\r
d7ce7006 521\r
a88c3163 522 The ::listen routine indirectly calls this routine to place the\r
523 socket into a state that enables connection attempts. Connections\r
524 are placed in a FIFO that is serviced by the application. The\r
525 application calls the ::accept (::EslSocketAccept) routine to\r
526 remove the next connection from the FIFO and get the associated\r
527 socket and address.\r
528\r
529 @param [in] pSocketProtocol Address of an ::EFI_SOCKET_PROTOCOL structure.\r
d7ce7006 530\r
531 @param [in] Backlog Backlog specifies the maximum FIFO depth for\r
532 the connections waiting for the application\r
533 to call accept. Connection attempts received\r
534 while the queue is full are refused.\r
535\r
536 @param [out] pErrno Address to receive the errno value upon completion.\r
537\r
538 @retval EFI_SUCCESS - Socket successfully created\r
539 @retval Other - Failed to enable the socket for listen\r
540\r
541**/\r
542EFI_STATUS\r
543EslSocketListen (\r
544 IN EFI_SOCKET_PROTOCOL * pSocketProtocol,\r
545 IN INT32 Backlog,\r
546 OUT int * pErrno\r
547 );\r
548\r
549/**\r
550 Get the socket options\r
551\r
a88c3163 552 This routine handles the socket level options and passes the\r
553 others to the network specific layer.\r
d7ce7006 554\r
a88c3163 555 The ::getsockopt routine calls this routine to retrieve the\r
556 socket options one at a time by name.\r
557\r
558 @param [in] pSocketProtocol Address of an ::EFI_SOCKET_PROTOCOL structure.\r
559 @param [in] level Option protocol level\r
560 @param [in] OptionName Name of the option\r
561 @param [out] pOptionValue Buffer to receive the option value\r
562 @param [in,out] pOptionLength Length of the buffer in bytes,\r
563 upon return length of the option value in bytes\r
564 @param [out] pErrno Address to receive the errno value upon completion.\r
d7ce7006 565\r
566 @retval EFI_SUCCESS - Socket data successfully received\r
567\r
568 **/\r
569EFI_STATUS\r
570EslSocketOptionGet (\r
571 IN EFI_SOCKET_PROTOCOL * pSocketProtocol,\r
572 IN int level,\r
573 IN int option_name,\r
574 OUT void * __restrict option_value,\r
575 IN OUT socklen_t * __restrict option_len,\r
576 IN int * pErrno\r
577 );\r
578\r
579/**\r
580 Set the socket options\r
581\r
a88c3163 582 This routine handles the socket level options and passes the\r
583 others to the network specific layer.\r
584\r
585 The ::setsockopt routine calls this routine to adjust the socket\r
586 options one at a time by name.\r
d7ce7006 587\r
a88c3163 588 @param [in] pSocketProtocol Address of an ::EFI_SOCKET_PROTOCOL structure.\r
d7ce7006 589 @param [in] level Option protocol level\r
a88c3163 590 @param [in] OptionName Name of the option\r
591 @param [in] pOptionValue Buffer containing the option value\r
592 @param [in] OptionLength Length of the buffer in bytes\r
d7ce7006 593 @param [out] pErrno Address to receive the errno value upon completion.\r
594\r
a88c3163 595 @retval EFI_SUCCESS - Option successfully set\r
d7ce7006 596\r
597 **/\r
598EFI_STATUS\r
599EslSocketOptionSet (\r
600 IN EFI_SOCKET_PROTOCOL * pSocketProtocol,\r
601 IN int level,\r
602 IN int option_name,\r
603 IN CONST void * option_value,\r
604 IN socklen_t option_len,\r
605 IN int * pErrno\r
606 );\r
607\r
608/**\r
609 Poll a socket for pending activity.\r
610\r
a88c3163 611 This routine builds a detected event mask which is returned to\r
612 the caller in the buffer provided.\r
613\r
614 The ::poll routine calls this routine to determine if the socket\r
615 needs to be serviced as a result of connection, error, receive or\r
616 transmit activity.\r
d7ce7006 617\r
a88c3163 618 @param [in] pSocketProtocol Address of an ::EFI_SOCKET_PROTOCOL structure.\r
d7ce7006 619\r
620 @param [in] Events Events of interest for this socket\r
621\r
622 @param [in] pEvents Address to receive the detected events\r
623\r
624 @param [out] pErrno Address to receive the errno value upon completion.\r
625\r
626 @retval EFI_SUCCESS - Socket successfully polled\r
627 @retval EFI_INVALID_PARAMETER - When pEvents is NULL\r
628\r
629 **/\r
630EFI_STATUS\r
631EslSocketPoll (\r
632 IN EFI_SOCKET_PROTOCOL * pSocketProtocol,\r
633 IN short Events,\r
634 IN short * pEvents,\r
635 IN int * pErrno\r
636 );\r
637\r
638/**\r
639 Receive data from a network connection.\r
640\r
a88c3163 641 This routine calls the network specific routine to remove the\r
642 next portion of data from the receive queue and return it to the\r
643 caller.\r
d7ce7006 644\r
a88c3163 645 The ::recvfrom routine calls this routine to determine if any data\r
646 is received from the remote system. Note that the other routines\r
647 ::recv and ::read are layered on top of ::recvfrom.\r
d7ce7006 648\r
a88c3163 649 @param [in] pSocketProtocol Address of an ::EFI_SOCKET_PROTOCOL structure.\r
650 \r
d7ce7006 651 @param [in] Flags Message control flags\r
a88c3163 652 \r
d7ce7006 653 @param [in] BufferLength Length of the the buffer\r
a88c3163 654 \r
d7ce7006 655 @param [in] pBuffer Address of a buffer to receive the data.\r
a88c3163 656 \r
d7ce7006 657 @param [in] pDataLength Number of received data bytes in the buffer.\r
658\r
659 @param [out] pAddress Network address to receive the remote system address\r
660\r
661 @param [in,out] pAddressLength Length of the remote network address structure\r
662\r
663 @param [out] pErrno Address to receive the errno value upon completion.\r
664\r
665 @retval EFI_SUCCESS - Socket data successfully received\r
666\r
667 **/\r
668EFI_STATUS\r
669EslSocketReceive (\r
670 IN EFI_SOCKET_PROTOCOL * pSocketProtocol,\r
671 IN INT32 Flags,\r
672 IN size_t BufferLength,\r
673 IN UINT8 * pBuffer,\r
674 OUT size_t * pDataLength,\r
675 OUT struct sockaddr * pAddress,\r
676 IN OUT socklen_t * pAddressLength,\r
677 IN int * pErrno\r
678 );\r
679\r
680/**\r
681 Shutdown the socket receive and transmit operations\r
682\r
a88c3163 683 This routine sets a flag to stop future transmissions and calls\r
684 the network specific layer to cancel the pending receive operation.\r
d7ce7006 685\r
a88c3163 686 The ::shutdown routine calls this routine to stop receive and transmit\r
687 operations on the socket.\r
d7ce7006 688\r
a88c3163 689 @param [in] pSocketProtocol Address of an ::EFI_SOCKET_PROTOCOL structure.\r
690 \r
d7ce7006 691 @param [in] How Which operations to stop\r
a88c3163 692 \r
d7ce7006 693 @param [out] pErrno Address to receive the errno value upon completion.\r
694\r
695 @retval EFI_SUCCESS - Socket operations successfully shutdown\r
696\r
697 **/\r
698EFI_STATUS\r
699EslSocketShutdown (\r
700 IN EFI_SOCKET_PROTOCOL * pSocketProtocol,\r
701 IN int How,\r
702 IN int * pErrno\r
703 );\r
704\r
705/**\r
706 Send data using a network connection.\r
707\r
a88c3163 708 This routine calls the network specific layer to queue the data\r
709 for transmission. Eventually the buffer will reach the head of\r
710 the queue and will get transmitted over the network. For datagram\r
711 sockets there is no guarantee that the data reaches the application\r
712 running on the remote system.\r
d7ce7006 713\r
a88c3163 714 The ::sendto routine calls this routine to send data to the remote\r
715 system. Note that ::send and ::write are layered on top of ::sendto.\r
d7ce7006 716\r
a88c3163 717 @param [in] pSocketProtocol Address of an ::EFI_SOCKET_PROTOCOL structure.\r
718 \r
d7ce7006 719 @param [in] Flags Message control flags\r
a88c3163 720 \r
d7ce7006 721 @param [in] BufferLength Length of the the buffer\r
a88c3163 722 \r
d7ce7006 723 @param [in] pBuffer Address of a buffer containing the data to send\r
a88c3163 724 \r
d7ce7006 725 @param [in] pDataLength Address to receive the number of data bytes sent\r
726\r
727 @param [in] pAddress Network address of the remote system address\r
728\r
729 @param [in] AddressLength Length of the remote network address structure\r
730\r
731 @param [out] pErrno Address to receive the errno value upon completion.\r
732\r
a88c3163 733 @retval EFI_SUCCESS - Socket data successfully queued for transmit\r
d7ce7006 734\r
735 **/\r
736EFI_STATUS\r
737EslSocketTransmit (\r
738 IN EFI_SOCKET_PROTOCOL * pSocketProtocol,\r
739 IN int Flags,\r
740 IN size_t BufferLength,\r
741 IN CONST UINT8 * pBuffer,\r
742 OUT size_t * pDataLength,\r
743 IN const struct sockaddr * pAddress,\r
744 IN socklen_t AddressLength,\r
745 IN int * pErrno\r
746 );\r
747\r
748//------------------------------------------------------------------------------\r
749\r
750#endif // _EFI_SOCKET_LIB_H_\r