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d7ce7006 | 1 | /** @file\r |
2 | Implement the TCP4 driver support for the socket layer.\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.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 | |
a88c3163 | 13 | \r |
14 | \section ConnectionManagement Connection Management\r | |
15 | \r | |
16 | The ::EslTcp4Listen routine initially places the SOCK_STREAM or\r | |
17 | SOCK_SEQPACKET socket into a listen state. When a remote machine\r | |
18 | makes a connection to the socket, the TCPv4 network layer calls\r | |
19 | ::EslTcp4ListenComplete to complete the connection processing.\r | |
20 | EslTcp4ListenComplete manages the connections by placing them in\r | |
21 | FIFO order in a queue to be serviced by the application. When the\r | |
22 | number of connections exceeds the backlog (ESL_SOCKET::MaxFifoDepth),\r | |
23 | the new connection is closed. Eventually, the application indirectly\r | |
24 | calls ::EslTcp4Accept to remove the next connection from the queue\r | |
25 | and get the associated socket.\r | |
26 | \r | |
d7ce7006 | 27 | **/\r |
28 | \r | |
29 | #include "Socket.h"\r | |
30 | \r | |
31 | \r | |
a88c3163 | 32 | /**\r |
33 | Attempt to connect to a remote TCP port\r | |
34 | \r | |
35 | This routine starts the connection processing for a SOCK_STREAM\r | |
36 | or SOCK_SEQPAKCET socket using the TCPv4 network layer. It\r | |
37 | configures the local TCPv4 connection point and then attempts to\r | |
38 | connect to a remote system. Upon completion, the\r | |
39 | ::EslTcp4ConnectComplete routine gets called with the connection\r | |
40 | status.\r | |
41 | \r | |
42 | This routine is called by ::EslSocketConnect to initiate the TCPv4\r | |
43 | network specific connect operations. The connection processing is\r | |
44 | initiated by this routine and finished by ::EslTcp4ConnectComplete.\r | |
45 | This pair of routines walks through the list of local TCPv4\r | |
46 | connection points until a connection to the remote system is\r | |
47 | made.\r | |
48 | \r | |
49 | @param [in] pSocket Address of an ::ESL_SOCKET structure.\r | |
50 | \r | |
51 | @retval EFI_SUCCESS The connection was successfully established.\r | |
52 | @retval EFI_NOT_READY The connection is in progress, call this routine again.\r | |
53 | @retval Others The connection attempt failed.\r | |
54 | \r | |
55 | **/\r | |
56 | EFI_STATUS\r | |
57 | EslTcp4ConnectStart (\r | |
58 | IN ESL_SOCKET * pSocket\r | |
59 | );\r | |
60 | \r | |
61 | \r | |
62 | /**\r | |
63 | Process the connection attempt\r | |
64 | \r | |
65 | A system has initiated a connection attempt with a socket in the\r | |
66 | listen state. Attempt to complete the connection.\r | |
67 | \r | |
68 | The TCPv4 layer calls this routine when a connection is made to\r | |
69 | the socket in the listen state. See the\r | |
70 | \ref ConnectionManagement section.\r | |
71 | \r | |
72 | @param [in] Event The listen completion event\r | |
73 | \r | |
74 | @param [in] pPort Address of an ::ESL_PORT structure.\r | |
75 | \r | |
76 | **/\r | |
77 | VOID\r | |
78 | EslTcp4ListenComplete (\r | |
79 | IN EFI_EVENT Event,\r | |
80 | IN ESL_PORT * pPort\r | |
81 | );\r | |
82 | \r | |
83 | \r | |
d7ce7006 | 84 | /**\r |
85 | Accept a network connection.\r | |
86 | \r | |
a88c3163 | 87 | This routine waits for a network connection to the socket and\r |
88 | returns the remote network address to the caller if requested.\r | |
89 | \r | |
90 | This routine is called by ::EslSocketAccept to handle the TCPv4 protocol\r | |
91 | specific accept operations for SOCK_STREAM and SOCK_SEQPACKET sockets.\r | |
92 | See the \ref ConnectionManagement section.\r | |
d7ce7006 | 93 | \r |
a88c3163 | 94 | @param [in] pSocket Address of an ::ESL_SOCKET structure.\r |
d7ce7006 | 95 | \r |
96 | @param [in] pSockAddr Address of a buffer to receive the remote\r | |
97 | network address.\r | |
98 | \r | |
99 | @param [in, out] pSockAddrLength Length in bytes of the address buffer.\r | |
100 | On output specifies the length of the\r | |
101 | remote network address.\r | |
102 | \r | |
103 | @retval EFI_SUCCESS Remote address is available\r | |
104 | @retval Others Remote address not available\r | |
105 | \r | |
106 | **/\r | |
107 | EFI_STATUS\r | |
a88c3163 | 108 | EslTcp4Accept (\r |
109 | IN ESL_SOCKET * pSocket,\r | |
d7ce7006 | 110 | IN struct sockaddr * pSockAddr,\r |
111 | IN OUT socklen_t * pSockAddrLength\r | |
112 | )\r | |
113 | {\r | |
a88c3163 | 114 | ESL_PORT * pPort;\r |
d7ce7006 | 115 | struct sockaddr_in * pRemoteAddress;\r |
a88c3163 | 116 | ESL_TCP4_CONTEXT * pTcp4;\r |
d7ce7006 | 117 | UINT32 RemoteAddress;\r |
118 | EFI_STATUS Status;\r | |
119 | \r | |
120 | DBG_ENTER ( );\r | |
121 | \r | |
122 | //\r | |
123 | // Validate the socket length\r | |
124 | //\r | |
125 | pRemoteAddress = (struct sockaddr_in *) pSockAddr;\r | |
126 | if (( NULL == pSockAddrLength )\r | |
127 | || ( sizeof ( *pRemoteAddress ) > *pSockAddrLength )) {\r | |
128 | //\r | |
129 | // Invalid socket address\r | |
130 | //\r | |
131 | Status = EFI_INVALID_PARAMETER;\r | |
132 | pSocket->errno = EINVAL;\r | |
133 | DEBUG (( DEBUG_ACCEPT,\r | |
134 | "ERROR - Invalid address length\r\n" ));\r | |
135 | }\r | |
136 | else {\r | |
137 | //\r | |
138 | // Assume success\r | |
139 | //\r | |
140 | Status = EFI_SUCCESS;\r | |
141 | \r | |
142 | //\r | |
143 | // Locate the address context\r | |
144 | //\r | |
145 | pPort = pSocket->pPortList;\r | |
146 | pTcp4 = &pPort->Context.Tcp4;\r | |
147 | \r | |
148 | //\r | |
149 | // Fill-in the remote address structure\r | |
150 | //\r | |
151 | ZeroMem ( pRemoteAddress, sizeof ( *pRemoteAddress ));\r | |
152 | pRemoteAddress->sin_len = sizeof ( *pRemoteAddress );\r | |
153 | pRemoteAddress->sin_family = AF_INET;\r | |
154 | pRemoteAddress->sin_port = SwapBytes16 ( pTcp4->ConfigData.AccessPoint.RemotePort );\r | |
155 | RemoteAddress = pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[3];\r | |
156 | RemoteAddress <<= 8;\r | |
157 | RemoteAddress |= pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[2];\r | |
158 | RemoteAddress <<= 8;\r | |
159 | RemoteAddress |= pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[1];\r | |
160 | RemoteAddress <<= 8;\r | |
161 | RemoteAddress |= pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[0];\r | |
162 | pRemoteAddress->sin_addr.s_addr = RemoteAddress;\r | |
163 | }\r | |
164 | \r | |
165 | //\r | |
166 | // Return the operation status\r | |
167 | //\r | |
168 | DBG_EXIT_STATUS ( Status );\r | |
169 | return Status;\r | |
170 | }\r | |
171 | \r | |
172 | \r | |
173 | /**\r | |
a88c3163 | 174 | Process the remote connection completion event.\r |
d7ce7006 | 175 | \r |
a88c3163 | 176 | This routine handles the completion of a connection attempt. It\r |
177 | releases the port (TCPv4 adapter connection) in the case of an\r | |
d7ce7006 | 178 | error and start a connection attempt on the next port. If the\r |
a88c3163 | 179 | connection attempt was successful then this routine releases all\r |
180 | of the other ports.\r | |
d7ce7006 | 181 | \r |
a88c3163 | 182 | This routine is called by the TCPv4 layer when a connect request\r |
183 | completes. It sets the ESL_SOCKET::bConnected flag to notify the\r | |
184 | ::EslTcp4ConnectComplete routine that the connection is available.\r | |
185 | The flag is set when the connection is established or no more ports\r | |
186 | exist in the list. The connection status is passed via\r | |
187 | ESL_SOCKET::ConnectStatus.\r | |
d7ce7006 | 188 | \r |
a88c3163 | 189 | @param [in] Event The connect completion event\r |
190 | \r | |
191 | @param [in] pPort Address of an ::ESL_PORT structure.\r | |
d7ce7006 | 192 | \r |
193 | **/\r | |
194 | VOID\r | |
a88c3163 | 195 | EslTcp4ConnectComplete (\r |
d7ce7006 | 196 | IN EFI_EVENT Event,\r |
a88c3163 | 197 | IN ESL_PORT * pPort\r |
d7ce7006 | 198 | )\r |
199 | {\r | |
200 | BOOLEAN bRemoveFirstPort;\r | |
201 | BOOLEAN bRemovePorts;\r | |
a88c3163 | 202 | ESL_PORT * pNextPort;\r |
203 | ESL_SOCKET * pSocket;\r | |
204 | ESL_TCP4_CONTEXT * pTcp4;\r | |
d7ce7006 | 205 | EFI_STATUS Status;\r |
206 | \r | |
207 | DBG_ENTER ( );\r | |
208 | \r | |
209 | //\r | |
210 | // Locate the TCP context\r | |
211 | //\r | |
212 | pSocket = pPort->pSocket;\r | |
213 | pTcp4 = &pPort->Context.Tcp4;\r | |
214 | \r | |
215 | //\r | |
216 | // Get the connection status\r | |
217 | //\r | |
218 | bRemoveFirstPort = FALSE;\r | |
219 | bRemovePorts = FALSE;\r | |
220 | Status = pTcp4->ConnectToken.CompletionToken.Status;\r | |
221 | pSocket->ConnectStatus = Status;\r | |
222 | if ( !EFI_ERROR ( Status )) {\r | |
223 | //\r | |
224 | // The connection was successful\r | |
225 | //\r | |
226 | DEBUG (( DEBUG_CONNECT,\r | |
227 | "0x%08x: Port connected to %d.%d.%d.%d:%d\r\n",\r | |
228 | pPort,\r | |
a88c3163 | 229 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[0],\r |
230 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[1],\r | |
231 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[2],\r | |
232 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[3],\r | |
d7ce7006 | 233 | pTcp4->ConfigData.AccessPoint.RemotePort ));\r |
234 | \r | |
235 | //\r | |
236 | // Remove the rest of the ports\r | |
237 | //\r | |
238 | bRemovePorts = TRUE;\r | |
239 | }\r | |
240 | else {\r | |
241 | //\r | |
242 | // The connection failed\r | |
243 | //\r | |
244 | DEBUG (( DEBUG_CONNECT,\r | |
245 | "0x%08x: Port connection to %d.%d.%d.%d:%d failed, Status: %r\r\n",\r | |
246 | pPort,\r | |
a88c3163 | 247 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[0],\r |
248 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[1],\r | |
249 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[2],\r | |
250 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[3],\r | |
d7ce7006 | 251 | pTcp4->ConfigData.AccessPoint.RemotePort,\r |
252 | Status ));\r | |
253 | \r | |
254 | //\r | |
255 | // Close the current port\r | |
256 | //\r | |
a88c3163 | 257 | Status = EslSocketPortClose ( pPort );\r |
d7ce7006 | 258 | if ( !EFI_ERROR ( Status )) {\r |
259 | DEBUG (( DEBUG_CONNECT,\r | |
260 | "0x%08x: Port closed\r\n",\r | |
261 | pPort ));\r | |
262 | }\r | |
263 | else {\r | |
264 | DEBUG (( DEBUG_CONNECT,\r | |
265 | "ERROR - Failed to close port 0x%08x, Status: %r\r\n",\r | |
266 | pPort,\r | |
267 | Status ));\r | |
268 | }\r | |
269 | \r | |
270 | //\r | |
271 | // Try to connect using the next port\r | |
272 | //\r | |
a88c3163 | 273 | Status = EslTcp4ConnectStart ( pSocket );\r |
d7ce7006 | 274 | if ( EFI_NOT_READY != Status ) {\r |
275 | pSocket->ConnectStatus = Status;\r | |
276 | bRemoveFirstPort = TRUE;\r | |
277 | }\r | |
278 | }\r | |
279 | \r | |
280 | //\r | |
281 | // Remove the ports if necessary\r | |
282 | //\r | |
283 | if ( bRemoveFirstPort || bRemovePorts ) {\r | |
284 | //\r | |
285 | // Remove the first port if necessary\r | |
286 | //\r | |
287 | pPort = pSocket->pPortList;\r | |
288 | if (( !bRemoveFirstPort ) && ( NULL != pPort )) {\r | |
289 | pPort = pPort->pLinkSocket;\r | |
290 | }\r | |
291 | \r | |
292 | //\r | |
293 | // Remove the rest of the list\r | |
294 | //\r | |
295 | while ( NULL != pPort ) {\r | |
296 | pNextPort = pPort->pLinkSocket;\r | |
a88c3163 | 297 | EslSocketPortClose ( pPort );\r |
d7ce7006 | 298 | if ( !EFI_ERROR ( Status )) {\r |
299 | DEBUG (( DEBUG_CONNECT,\r | |
300 | "0x%08x: Port closed\r\n",\r | |
301 | pPort ));\r | |
302 | }\r | |
303 | else {\r | |
304 | DEBUG (( DEBUG_CONNECT,\r | |
305 | "ERROR - Failed to close port 0x%08x, Status: %r\r\n",\r | |
306 | pPort,\r | |
307 | Status ));\r | |
308 | }\r | |
309 | pPort = pNextPort;\r | |
310 | }\r | |
311 | \r | |
312 | //\r | |
313 | // Notify the poll routine\r | |
314 | //\r | |
315 | pSocket->bConnected = TRUE;\r | |
316 | }\r | |
317 | \r | |
318 | DBG_EXIT ( );\r | |
319 | }\r | |
320 | \r | |
321 | \r | |
322 | /**\r | |
323 | Poll for completion of the connection attempt.\r | |
324 | \r | |
a88c3163 | 325 | This routine polls the ESL_SOCKET::bConnected flag to determine\r |
326 | when the connection attempt is complete.\r | |
327 | \r | |
328 | This routine is called from ::EslSocketConnect to determine when\r | |
329 | the connection is complete. The ESL_SOCKET::bConnected flag is\r | |
330 | set by ::EslTcp4ConnectComplete when the TCPv4 layer establishes\r | |
331 | a connection or runs out of local network adapters. This routine\r | |
332 | gets the connection status from ESL_SOCKET::ConnectStatus.\r | |
d7ce7006 | 333 | \r |
a88c3163 | 334 | @param [in] pSocket Address of an ::ESL_SOCKET structure.\r |
d7ce7006 | 335 | \r |
336 | @retval EFI_SUCCESS The connection was successfully established.\r | |
337 | @retval EFI_NOT_READY The connection is in progress, call this routine again.\r | |
338 | @retval Others The connection attempt failed.\r | |
339 | \r | |
340 | **/\r | |
341 | EFI_STATUS\r | |
a88c3163 | 342 | EslTcp4ConnectPoll (\r |
343 | IN ESL_SOCKET * pSocket\r | |
d7ce7006 | 344 | )\r |
345 | {\r | |
346 | EFI_STATUS Status;\r | |
347 | \r | |
348 | DBG_ENTER ( );\r | |
349 | \r | |
350 | //\r | |
351 | // Determine if the connection is complete\r | |
352 | //\r | |
353 | if ( !pSocket->bConnected ) {\r | |
354 | //\r | |
355 | // Not connected\r | |
356 | //\r | |
357 | pSocket->errno = EAGAIN;\r | |
358 | Status = EFI_NOT_READY;\r | |
359 | }\r | |
360 | else {\r | |
361 | //\r | |
362 | // The connection processing is complete\r | |
363 | //\r | |
364 | pSocket->bConnected = FALSE;\r | |
365 | \r | |
366 | //\r | |
367 | // Translate the connection status\r | |
368 | //\r | |
369 | Status = pSocket->ConnectStatus;\r | |
370 | switch ( Status ) {\r | |
371 | default:\r | |
372 | case EFI_DEVICE_ERROR:\r | |
373 | pSocket->errno = EIO;\r | |
374 | break;\r | |
375 | \r | |
376 | case EFI_ABORTED:\r | |
377 | pSocket->errno = ECONNREFUSED;\r | |
378 | break;\r | |
379 | \r | |
380 | case EFI_INVALID_PARAMETER:\r | |
381 | pSocket->errno = EINVAL;\r | |
382 | break;\r | |
383 | \r | |
384 | case EFI_NO_MAPPING:\r | |
385 | case EFI_NO_RESPONSE:\r | |
386 | pSocket->errno = EHOSTUNREACH;\r | |
387 | break;\r | |
388 | \r | |
389 | case EFI_NO_MEDIA:\r | |
390 | pSocket->errno = ENETDOWN;\r | |
391 | break;\r | |
392 | \r | |
393 | case EFI_OUT_OF_RESOURCES:\r | |
394 | pSocket->errno = ENOMEM;\r | |
395 | break;\r | |
396 | \r | |
397 | case EFI_SUCCESS:\r | |
398 | pSocket->errno = 0;\r | |
399 | pSocket->bConfigured = TRUE;\r | |
400 | break;\r | |
401 | \r | |
402 | case EFI_TIMEOUT:\r | |
403 | pSocket->errno = ETIMEDOUT;\r | |
404 | break;\r | |
405 | \r | |
406 | case EFI_UNSUPPORTED:\r | |
407 | pSocket->errno = ENOTSUP;\r | |
408 | break;\r | |
409 | \r | |
410 | case 0x80000069:\r | |
411 | pSocket->errno = ECONNRESET;\r | |
412 | break;\r | |
413 | }\r | |
414 | }\r | |
415 | \r | |
416 | //\r | |
417 | // Return the initialization status\r | |
418 | //\r | |
419 | DBG_EXIT_STATUS ( Status );\r | |
420 | return Status;\r | |
421 | }\r | |
422 | \r | |
423 | \r | |
424 | /**\r | |
a88c3163 | 425 | Attempt to connect to a remote TCP port\r |
d7ce7006 | 426 | \r |
a88c3163 | 427 | This routine starts the connection processing for a SOCK_STREAM\r |
428 | or SOCK_SEQPAKCET socket using the TCPv4 network layer. It\r | |
429 | configures the local TCPv4 connection point and then attempts to\r | |
430 | connect to a remote system. Upon completion, the\r | |
431 | ::EslTcp4ConnectComplete routine gets called with the connection\r | |
432 | status.\r | |
d7ce7006 | 433 | \r |
a88c3163 | 434 | This routine is called by ::EslSocketConnect to initiate the TCPv4\r |
435 | network specific connect operations. The connection processing is\r | |
436 | initiated by this routine and finished by ::EslTcp4ConnectComplete.\r | |
437 | This pair of routines walks through the list of local TCPv4\r | |
438 | connection points until a connection to the remote system is\r | |
439 | made.\r | |
440 | \r | |
441 | @param [in] pSocket Address of an ::ESL_SOCKET structure.\r | |
d7ce7006 | 442 | \r |
d7ce7006 | 443 | @retval EFI_SUCCESS The connection was successfully established.\r |
444 | @retval EFI_NOT_READY The connection is in progress, call this routine again.\r | |
445 | @retval Others The connection attempt failed.\r | |
446 | \r | |
447 | **/\r | |
448 | EFI_STATUS\r | |
a88c3163 | 449 | EslTcp4ConnectStart (\r |
450 | IN ESL_SOCKET * pSocket\r | |
d7ce7006 | 451 | )\r |
452 | {\r | |
a88c3163 | 453 | ESL_PORT * pPort;\r |
454 | ESL_TCP4_CONTEXT * pTcp4;\r | |
455 | EFI_TCP4_PROTOCOL * pTcp4Protocol;\r | |
d7ce7006 | 456 | EFI_STATUS Status;\r |
457 | \r | |
458 | DBG_ENTER ( );\r | |
a88c3163 | 459 | \r |
d7ce7006 | 460 | //\r |
a88c3163 | 461 | // Determine if any more local adapters are available\r |
d7ce7006 | 462 | //\r |
a88c3163 | 463 | pPort = pSocket->pPortList;\r |
464 | if ( NULL != pPort ) {\r | |
d7ce7006 | 465 | //\r |
a88c3163 | 466 | // Configure the port\r |
d7ce7006 | 467 | //\r |
a88c3163 | 468 | pTcp4 = &pPort->Context.Tcp4;\r |
469 | pTcp4->ConfigData.AccessPoint.ActiveFlag = TRUE;\r | |
470 | pTcp4->ConfigData.TimeToLive = 255;\r | |
471 | pTcp4Protocol = pPort->pProtocol.TCPv4;\r | |
472 | Status = pTcp4Protocol->Configure ( pTcp4Protocol,\r | |
473 | &pTcp4->ConfigData );\r | |
474 | if ( EFI_ERROR ( Status )) {\r | |
475 | DEBUG (( DEBUG_CONNECT,\r | |
476 | "ERROR - Failed to configure the Tcp4 port, Status: %r\r\n",\r | |
477 | Status ));\r | |
478 | switch ( Status ) {\r | |
479 | case EFI_ACCESS_DENIED:\r | |
480 | pSocket->errno = EACCES;\r | |
481 | break;\r | |
482 | \r | |
483 | default:\r | |
484 | case EFI_DEVICE_ERROR:\r | |
485 | pSocket->errno = EIO;\r | |
486 | break;\r | |
487 | \r | |
488 | case EFI_INVALID_PARAMETER:\r | |
489 | pSocket->errno = EADDRNOTAVAIL;\r | |
490 | break;\r | |
491 | \r | |
492 | case EFI_NO_MAPPING:\r | |
493 | pSocket->errno = EAFNOSUPPORT;\r | |
494 | break;\r | |
495 | \r | |
496 | case EFI_OUT_OF_RESOURCES:\r | |
497 | pSocket->errno = ENOBUFS;\r | |
498 | break;\r | |
499 | \r | |
500 | case EFI_UNSUPPORTED:\r | |
501 | pSocket->errno = EOPNOTSUPP;\r | |
502 | break;\r | |
503 | }\r | |
d7ce7006 | 504 | }\r |
505 | else {\r | |
a88c3163 | 506 | DEBUG (( DEBUG_CONNECT,\r |
507 | "0x%08x: Port configured\r\n",\r | |
508 | pPort ));\r | |
509 | pPort->bConfigured = TRUE;\r | |
d7ce7006 | 510 | \r |
a88c3163 | 511 | //\r |
512 | // Attempt the connection to the remote system\r | |
513 | //\r | |
514 | Status = pTcp4Protocol->Connect ( pTcp4Protocol,\r | |
515 | &pTcp4->ConnectToken );\r | |
516 | if ( !EFI_ERROR ( Status )) {\r | |
517 | //\r | |
518 | // Connection in progress\r | |
519 | //\r | |
520 | pSocket->errno = EINPROGRESS;\r | |
521 | Status = EFI_NOT_READY;\r | |
522 | DEBUG (( DEBUG_CONNECT,\r | |
523 | "0x%08x: Port attempting connection to %d.%d.%d.%d:%d\r\n",\r | |
524 | pPort,\r | |
525 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[0],\r | |
526 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[1],\r | |
527 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[2],\r | |
528 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[3],\r | |
529 | pTcp4->ConfigData.AccessPoint.RemotePort ));\r | |
530 | }\r | |
531 | else {\r | |
532 | //\r | |
533 | // Connection error\r | |
534 | //\r | |
535 | DEBUG (( DEBUG_CONNECT,\r | |
536 | "ERROR - Port 0x%08x not connected, Status: %r\r\n",\r | |
537 | pPort,\r | |
538 | Status ));\r | |
539 | //\r | |
540 | // Determine the errno value\r | |
541 | //\r | |
542 | switch ( Status ) {\r | |
543 | default:\r | |
544 | pSocket->errno = EIO;\r | |
545 | break;\r | |
d7ce7006 | 546 | \r |
a88c3163 | 547 | case EFI_OUT_OF_RESOURCES:\r |
548 | pSocket->errno = ENOBUFS;\r | |
549 | break;\r | |
d7ce7006 | 550 | \r |
a88c3163 | 551 | case EFI_TIMEOUT:\r |
552 | pSocket->errno = ETIMEDOUT;\r | |
553 | break;\r | |
d7ce7006 | 554 | \r |
a88c3163 | 555 | case EFI_NETWORK_UNREACHABLE:\r |
556 | pSocket->errno = ENETDOWN;\r | |
557 | break;\r | |
d7ce7006 | 558 | \r |
a88c3163 | 559 | case EFI_HOST_UNREACHABLE:\r |
560 | pSocket->errno = EHOSTUNREACH;\r | |
561 | break;\r | |
d7ce7006 | 562 | \r |
a88c3163 | 563 | case EFI_PORT_UNREACHABLE:\r |
564 | case EFI_PROTOCOL_UNREACHABLE:\r | |
565 | case EFI_CONNECTION_REFUSED:\r | |
566 | pSocket->errno = ECONNREFUSED;\r | |
567 | break;\r | |
d7ce7006 | 568 | \r |
a88c3163 | 569 | case EFI_CONNECTION_RESET:\r |
570 | pSocket->errno = ECONNRESET;\r | |
571 | break;\r | |
572 | }\r | |
573 | }\r | |
d7ce7006 | 574 | }\r |
575 | }\r | |
576 | else {\r | |
a88c3163 | 577 | //\r |
578 | // No more local adapters available\r | |
579 | //\r | |
580 | pSocket->errno = ENETUNREACH;\r | |
581 | Status = EFI_NO_RESPONSE;\r | |
d7ce7006 | 582 | }\r |
a88c3163 | 583 | \r |
d7ce7006 | 584 | //\r |
585 | // Return the operation status\r | |
586 | //\r | |
587 | DBG_EXIT_STATUS ( Status );\r | |
588 | return Status;\r | |
589 | }\r | |
590 | \r | |
591 | \r | |
592 | /**\r | |
593 | Establish the known port to listen for network connections.\r | |
594 | \r | |
a88c3163 | 595 | This routine places the port into a state that enables connection\r |
596 | attempts.\r | |
597 | \r | |
598 | This routine is called by ::EslSocketListen to handle the network\r | |
599 | specifics of the listen operation for SOCK_STREAM and SOCK_SEQPACKET\r | |
600 | sockets. See the \ref ConnectionManagement section.\r | |
d7ce7006 | 601 | \r |
a88c3163 | 602 | @param [in] pSocket Address of an ::ESL_SOCKET structure.\r |
d7ce7006 | 603 | \r |
604 | @retval EFI_SUCCESS - Socket successfully created\r | |
605 | @retval Other - Failed to enable the socket for listen\r | |
606 | \r | |
607 | **/\r | |
608 | EFI_STATUS\r | |
a88c3163 | 609 | EslTcp4Listen (\r |
610 | IN ESL_SOCKET * pSocket\r | |
d7ce7006 | 611 | )\r |
612 | {\r | |
a88c3163 | 613 | ESL_PORT * pNextPort;\r |
614 | ESL_PORT * pPort;\r | |
615 | ESL_TCP4_CONTEXT * pTcp4;\r | |
d7ce7006 | 616 | EFI_TCP4_PROTOCOL * pTcp4Protocol;\r |
617 | EFI_STATUS Status;\r | |
618 | \r | |
619 | DBG_ENTER ( );\r | |
620 | \r | |
621 | //\r | |
622 | // Verify the socket layer synchronization\r | |
623 | //\r | |
624 | VERIFY_TPL ( TPL_SOCKETS );\r | |
625 | \r | |
626 | //\r | |
627 | // Use for/break instead of goto\r | |
628 | //\r | |
629 | for ( ; ; ) {\r | |
630 | //\r | |
631 | // Assume no ports are available\r | |
632 | //\r | |
633 | pSocket->errno = EOPNOTSUPP;\r | |
634 | Status = EFI_NOT_READY;\r | |
635 | \r | |
636 | //\r | |
637 | // Walk the list of ports\r | |
638 | //\r | |
639 | pPort = pSocket->pPortList;\r | |
640 | while ( NULL != pPort ) {\r | |
641 | //\r | |
642 | // Assume success\r | |
643 | //\r | |
644 | pSocket->errno = 0;\r | |
645 | \r | |
646 | //\r | |
647 | // Use for/break insteak of goto\r | |
648 | //\r | |
649 | for ( ; ; ) {\r | |
650 | //\r | |
651 | // Create the listen completion event\r | |
652 | //\r | |
653 | pTcp4 = &pPort->Context.Tcp4;\r | |
654 | Status = gBS->CreateEvent ( EVT_NOTIFY_SIGNAL,\r | |
655 | TPL_SOCKETS,\r | |
a88c3163 | 656 | (EFI_EVENT_NOTIFY)EslTcp4ListenComplete,\r |
d7ce7006 | 657 | pPort,\r |
658 | &pTcp4->ListenToken.CompletionToken.Event );\r | |
659 | if ( EFI_ERROR ( Status )) {\r | |
660 | DEBUG (( DEBUG_ERROR | DEBUG_LISTEN,\r | |
661 | "ERROR - Failed to create the listen completion event, Status: %r\r\n",\r | |
662 | Status ));\r | |
663 | pSocket->errno = ENOMEM;\r | |
664 | break;\r | |
665 | }\r | |
666 | DEBUG (( DEBUG_POOL,\r | |
667 | "0x%08x: Created listen completion event\r\n",\r | |
668 | pTcp4->ListenToken.CompletionToken.Event ));\r | |
669 | \r | |
670 | //\r | |
671 | // Configure the port\r | |
672 | //\r | |
a88c3163 | 673 | pTcp4Protocol = pPort->pProtocol.TCPv4;\r |
d7ce7006 | 674 | Status = pTcp4Protocol->Configure ( pTcp4Protocol,\r |
675 | &pTcp4->ConfigData );\r | |
676 | if ( EFI_ERROR ( Status )) {\r | |
677 | DEBUG (( DEBUG_LISTEN,\r | |
678 | "ERROR - Failed to configure the Tcp4 port, Status: %r\r\n",\r | |
679 | Status ));\r | |
680 | switch ( Status ) {\r | |
681 | case EFI_ACCESS_DENIED:\r | |
682 | pSocket->errno = EACCES;\r | |
683 | break;\r | |
684 | \r | |
685 | default:\r | |
686 | case EFI_DEVICE_ERROR:\r | |
687 | pSocket->errno = EIO;\r | |
688 | break;\r | |
689 | \r | |
690 | case EFI_INVALID_PARAMETER:\r | |
691 | pSocket->errno = EADDRNOTAVAIL;\r | |
692 | break;\r | |
693 | \r | |
694 | case EFI_NO_MAPPING:\r | |
695 | pSocket->errno = EAFNOSUPPORT;\r | |
696 | break;\r | |
697 | \r | |
698 | case EFI_OUT_OF_RESOURCES:\r | |
699 | pSocket->errno = ENOBUFS;\r | |
700 | break;\r | |
701 | \r | |
702 | case EFI_UNSUPPORTED:\r | |
703 | pSocket->errno = EOPNOTSUPP;\r | |
704 | break;\r | |
705 | }\r | |
706 | break;\r | |
707 | }\r | |
708 | DEBUG (( DEBUG_LISTEN,\r | |
709 | "0x%08x: Port configured\r\n",\r | |
710 | pPort ));\r | |
a88c3163 | 711 | pPort->bConfigured = TRUE;\r |
d7ce7006 | 712 | \r |
713 | //\r | |
714 | // Start the listen operation on the port\r | |
715 | //\r | |
716 | Status = pTcp4Protocol->Accept ( pTcp4Protocol,\r | |
717 | &pTcp4->ListenToken );\r | |
718 | if ( EFI_ERROR ( Status )) {\r | |
719 | DEBUG (( DEBUG_LISTEN,\r | |
720 | "ERROR - Failed Tcp4 accept, Status: %r\r\n",\r | |
721 | Status ));\r | |
722 | switch ( Status ) {\r | |
723 | case EFI_ACCESS_DENIED:\r | |
724 | pSocket->errno = EACCES;\r | |
725 | break;\r | |
726 | \r | |
727 | default:\r | |
728 | case EFI_DEVICE_ERROR:\r | |
729 | pSocket->errno = EIO;\r | |
730 | break;\r | |
731 | \r | |
732 | case EFI_INVALID_PARAMETER:\r | |
733 | pSocket->errno = EADDRNOTAVAIL;\r | |
734 | break;\r | |
735 | \r | |
736 | case EFI_NOT_STARTED:\r | |
737 | pSocket->errno = ENETDOWN;\r | |
738 | break;\r | |
739 | \r | |
740 | case EFI_OUT_OF_RESOURCES:\r | |
741 | pSocket->errno = ENOBUFS;\r | |
742 | break;\r | |
743 | }\r | |
744 | break;\r | |
745 | }\r | |
746 | DEBUG (( DEBUG_LISTEN,\r | |
747 | "0x%08x: Listen pending on Port\r\n",\r | |
748 | pPort ));\r | |
749 | \r | |
750 | //\r | |
751 | // Listen is pending on this port\r | |
752 | //\r | |
753 | break;\r | |
754 | }\r | |
755 | \r | |
756 | //\r | |
757 | // Get the next port\r | |
758 | //\r | |
759 | pNextPort = pPort->pLinkSocket;\r | |
760 | \r | |
761 | //\r | |
762 | // Close the port upon error\r | |
763 | //\r | |
a88c3163 | 764 | if ( EFI_ERROR ( Status )) {\r |
765 | EslSocketPortCloseStart ( pPort, TRUE, DEBUG_LISTEN );\r | |
d7ce7006 | 766 | }\r |
767 | \r | |
768 | //\r | |
769 | // Set the next port\r | |
770 | //\r | |
771 | pPort = pNextPort;\r | |
772 | }\r | |
773 | \r | |
774 | //\r | |
775 | // Determine if any ports are in the listen state\r | |
776 | //\r | |
777 | if ( NULL == pSocket->pPortList ) {\r | |
778 | //\r | |
779 | // No ports in the listen state\r | |
780 | //\r | |
781 | pSocket->MaxFifoDepth = 0;\r | |
782 | \r | |
783 | //\r | |
784 | // Return the last error detected\r | |
785 | //\r | |
786 | break;\r | |
787 | }\r | |
788 | \r | |
789 | //\r | |
790 | // Mark the socket as configured\r | |
791 | //\r | |
792 | pSocket->bConfigured = TRUE;\r | |
793 | \r | |
794 | //\r | |
795 | // All done\r | |
796 | //\r | |
797 | DEBUG (( DEBUG_LISTEN,\r | |
798 | "0x%08x: pSocket - Listen pending on socket\r\n",\r | |
799 | pSocket ));\r | |
800 | break;\r | |
801 | }\r | |
802 | \r | |
803 | //\r | |
804 | // Return the operation status\r | |
805 | //\r | |
806 | DBG_EXIT_STATUS ( Status );\r | |
807 | return Status;\r | |
808 | }\r | |
809 | \r | |
810 | \r | |
811 | /**\r | |
812 | Process the connection attempt\r | |
813 | \r | |
814 | A system has initiated a connection attempt with a socket in the\r | |
815 | listen state. Attempt to complete the connection.\r | |
816 | \r | |
a88c3163 | 817 | The TCPv4 layer calls this routine when a connection is made to\r |
818 | the socket in the listen state. See the\r | |
819 | \ref ConnectionManagement section.\r | |
820 | \r | |
821 | @param [in] Event The listen completion event\r | |
d7ce7006 | 822 | \r |
a88c3163 | 823 | @param [in] pPort Address of an ::ESL_PORT structure.\r |
d7ce7006 | 824 | \r |
825 | **/\r | |
826 | VOID\r | |
a88c3163 | 827 | EslTcp4ListenComplete (\r |
d7ce7006 | 828 | IN EFI_EVENT Event,\r |
a88c3163 | 829 | IN ESL_PORT * pPort\r |
d7ce7006 | 830 | )\r |
831 | {\r | |
832 | EFI_HANDLE ChildHandle;\r | |
a88c3163 | 833 | struct sockaddr_in LocalAddress;\r |
d7ce7006 | 834 | EFI_TCP4_CONFIG_DATA * pConfigData;\r |
a88c3163 | 835 | ESL_LAYER * pLayer;\r |
836 | ESL_PORT * pNewPort;\r | |
837 | ESL_SOCKET * pNewSocket;\r | |
838 | ESL_SOCKET * pSocket;\r | |
839 | ESL_TCP4_CONTEXT * pTcp4;\r | |
d7ce7006 | 840 | EFI_TCP4_PROTOCOL * pTcp4Protocol;\r |
841 | EFI_STATUS Status;\r | |
842 | EFI_HANDLE TcpPortHandle;\r | |
843 | EFI_STATUS TempStatus;\r | |
844 | \r | |
845 | DBG_ENTER ( );\r | |
a88c3163 | 846 | VERIFY_AT_TPL ( TPL_SOCKETS );\r |
d7ce7006 | 847 | \r |
848 | //\r | |
849 | // Assume success\r | |
850 | //\r | |
851 | Status = EFI_SUCCESS;\r | |
852 | \r | |
853 | //\r | |
854 | // Determine if this connection fits into the connection FIFO\r | |
855 | //\r | |
856 | pSocket = pPort->pSocket;\r | |
857 | TcpPortHandle = pPort->Context.Tcp4.ListenToken.NewChildHandle;\r | |
858 | if (( SOCKET_STATE_LISTENING == pSocket->State )\r | |
859 | && ( pSocket->MaxFifoDepth > pSocket->FifoDepth )) {\r | |
860 | //\r | |
861 | // Allocate a socket for this connection\r | |
862 | //\r | |
863 | ChildHandle = NULL;\r | |
864 | pLayer = &mEslLayer;\r | |
865 | Status = EslSocketAllocate ( &ChildHandle,\r | |
866 | DEBUG_CONNECTION,\r | |
867 | &pNewSocket );\r | |
868 | if ( !EFI_ERROR ( Status )) {\r | |
869 | //\r | |
870 | // Clone the socket parameters\r | |
871 | //\r | |
a88c3163 | 872 | pNewSocket->pApi = pSocket->pApi;\r |
d7ce7006 | 873 | pNewSocket->Domain = pSocket->Domain;\r |
874 | pNewSocket->Protocol = pSocket->Protocol;\r | |
875 | pNewSocket->Type = pSocket->Type;\r | |
876 | \r | |
877 | //\r | |
a88c3163 | 878 | // Build the local address\r |
d7ce7006 | 879 | //\r |
880 | pTcp4 = &pPort->Context.Tcp4;\r | |
a88c3163 | 881 | LocalAddress.sin_len = (uint8_t)pNewSocket->pApi->MinimumAddressLength;\r |
882 | LocalAddress.sin_family = AF_INET;\r | |
883 | LocalAddress.sin_port = 0;\r | |
884 | LocalAddress.sin_addr.s_addr = *(UINT32 *)&pTcp4->ConfigData.AccessPoint.StationAddress.Addr[0];\r | |
885 | \r | |
886 | //\r | |
887 | // Allocate a port for this connection\r | |
888 | // Note in this instance Configure may not be called with NULL!\r | |
889 | //\r | |
890 | Status = EslSocketPortAllocate ( pNewSocket,\r | |
891 | pPort->pService,\r | |
892 | TcpPortHandle,\r | |
893 | (struct sockaddr *)&LocalAddress,\r | |
894 | FALSE,\r | |
895 | DEBUG_CONNECTION,\r | |
896 | &pNewPort );\r | |
d7ce7006 | 897 | if ( !EFI_ERROR ( Status )) {\r |
898 | //\r | |
899 | // Restart the listen operation on the port\r | |
900 | //\r | |
a88c3163 | 901 | pTcp4Protocol = pPort->pProtocol.TCPv4;\r |
d7ce7006 | 902 | Status = pTcp4Protocol->Accept ( pTcp4Protocol,\r |
903 | &pTcp4->ListenToken );\r | |
904 | \r | |
905 | //\r | |
906 | // Close the TCP port using SocketClose\r | |
907 | //\r | |
908 | TcpPortHandle = NULL;\r | |
909 | pTcp4 = &pNewPort->Context.Tcp4;\r | |
d7ce7006 | 910 | \r |
911 | //\r | |
912 | // Check for an accept call error\r | |
913 | //\r | |
914 | if ( !EFI_ERROR ( Status )) {\r | |
915 | //\r | |
916 | // Get the port configuration\r | |
917 | //\r | |
a88c3163 | 918 | pNewPort->bConfigured = TRUE;\r |
d7ce7006 | 919 | pConfigData = &pTcp4->ConfigData;\r |
920 | pConfigData->ControlOption = &pTcp4->Option;\r | |
a88c3163 | 921 | pTcp4Protocol = pNewPort->pProtocol.TCPv4;\r |
d7ce7006 | 922 | Status = pTcp4Protocol->GetModeData ( pTcp4Protocol,\r |
923 | NULL,\r | |
924 | pConfigData,\r | |
925 | NULL,\r | |
926 | NULL,\r | |
927 | NULL );\r | |
928 | if ( !EFI_ERROR ( Status )) {\r | |
929 | //\r | |
930 | // Add the new socket to the connection FIFO\r | |
931 | //\r | |
932 | if ( NULL == pSocket->pFifoTail ) {\r | |
933 | //\r | |
934 | // First connection\r | |
935 | //\r | |
936 | pSocket->pFifoHead = pNewSocket;\r | |
937 | }\r | |
938 | else {\r | |
939 | //\r | |
940 | // Add to end of list.\r | |
941 | //\r | |
942 | pSocket->pFifoTail->pNextConnection = pNewSocket;\r | |
943 | }\r | |
944 | pSocket->pFifoTail = pNewSocket;\r | |
945 | pSocket->FifoDepth += 1;\r | |
946 | \r | |
947 | //\r | |
948 | // Update the socket state\r | |
949 | //\r | |
950 | pNewSocket->State = SOCKET_STATE_IN_FIFO;\r | |
951 | \r | |
952 | //\r | |
953 | // Log the connection\r | |
954 | //\r | |
955 | DEBUG (( DEBUG_CONNECTION | DEBUG_INFO,\r | |
956 | "0x%08x: Socket on port %d.%d.%d.%d:%d connected to %d.%d.%d.%d:%d\r\n",\r | |
957 | pNewSocket,\r | |
958 | pConfigData->AccessPoint.StationAddress.Addr[0],\r | |
959 | pConfigData->AccessPoint.StationAddress.Addr[1],\r | |
960 | pConfigData->AccessPoint.StationAddress.Addr[2],\r | |
961 | pConfigData->AccessPoint.StationAddress.Addr[3],\r | |
962 | pConfigData->AccessPoint.StationPort,\r | |
963 | pConfigData->AccessPoint.RemoteAddress.Addr[0],\r | |
964 | pConfigData->AccessPoint.RemoteAddress.Addr[1],\r | |
965 | pConfigData->AccessPoint.RemoteAddress.Addr[2],\r | |
966 | pConfigData->AccessPoint.RemoteAddress.Addr[3],\r | |
967 | pConfigData->AccessPoint.RemotePort ));\r | |
968 | DEBUG (( DEBUG_CONNECTION | DEBUG_INFO,\r | |
969 | "0x%08x: Listen socket adding socket 0x%08x to FIFO, depth: %d\r\n",\r | |
970 | pSocket,\r | |
971 | pNewSocket,\r | |
972 | pSocket->FifoDepth ));\r | |
973 | \r | |
974 | //\r | |
975 | // Start the receive operation\r | |
976 | //\r | |
a88c3163 | 977 | EslSocketRxStart ( pNewPort );\r |
d7ce7006 | 978 | }\r |
979 | else {\r | |
980 | DEBUG (( DEBUG_ERROR | DEBUG_CONNECTION | DEBUG_INFO,\r | |
981 | "ERROR - GetModeData failed on port 0x%08x, Status: %r\r\n",\r | |
982 | pNewPort,\r | |
983 | Status ));\r | |
984 | }\r | |
985 | }\r | |
986 | else {\r | |
987 | //\r | |
988 | // The listen failed on this port\r | |
989 | //\r | |
990 | DEBUG (( DEBUG_LISTEN | DEBUG_INFO,\r | |
991 | "ERROR - Listen failed on port 0x%08x, Status: %r\r\n",\r | |
992 | pPort,\r | |
993 | Status ));\r | |
994 | \r | |
995 | //\r | |
996 | // Close the listening port\r | |
997 | //\r | |
a88c3163 | 998 | EslSocketPortCloseStart ( pPort, TRUE, DEBUG_LISTEN );\r |
d7ce7006 | 999 | }\r |
1000 | }\r | |
1001 | \r | |
1002 | //\r | |
1003 | // Done with the socket if necessary\r | |
1004 | //\r | |
1005 | if ( EFI_ERROR ( Status )) {\r | |
1006 | TempStatus = EslSocketCloseStart ( &pNewSocket->SocketProtocol,\r | |
1007 | TRUE,\r | |
1008 | &pSocket->errno );\r | |
1009 | ASSERT ( EFI_SUCCESS == TempStatus );\r | |
1010 | }\r | |
1011 | }\r | |
1012 | }\r | |
1013 | else {\r | |
1014 | DEBUG (( DEBUG_CONNECTION,\r | |
1015 | "0x%08x: Socket FIFO full, connection refused\r\n",\r | |
1016 | pSocket ));\r | |
1017 | \r | |
1018 | //\r | |
1019 | // The FIFO is full or the socket is in the wrong state\r | |
1020 | //\r | |
1021 | Status = EFI_BUFFER_TOO_SMALL;\r | |
1022 | }\r | |
1023 | \r | |
1024 | //\r | |
1025 | // Close the connection if necessary\r | |
1026 | //\r | |
1027 | if (( EFI_ERROR ( Status ))\r | |
1028 | && ( NULL == TcpPortHandle )) {\r | |
1029 | //\r | |
1030 | // TODO: Finish this code path\r | |
1031 | // The new connection does not fit into the connection FIFO\r | |
1032 | //\r | |
1033 | // Process:\r | |
1034 | // Call close\r | |
1035 | // Release the resources\r | |
1036 | \r | |
1037 | }\r | |
1038 | \r | |
1039 | DBG_EXIT ( );\r | |
1040 | }\r | |
1041 | \r | |
1042 | \r | |
1043 | /**\r | |
a88c3163 | 1044 | Get the local socket address.\r |
d7ce7006 | 1045 | \r |
a88c3163 | 1046 | This routine returns the IPv4 address and TCP port number associated\r |
1047 | with the local socket.\r | |
d7ce7006 | 1048 | \r |
a88c3163 | 1049 | This routine is called by ::EslSocketGetLocalAddress to determine the\r |
1050 | network address for the SOCK_STREAM or SOCK_SEQPACKET socket.\r | |
1051 | \r | |
1052 | @param [in] pPort Address of an ::ESL_PORT structure.\r | |
1053 | \r | |
1054 | @param [out] pSockAddr Network address to receive the local system address\r | |
1055 | \r | |
1056 | **/\r | |
1057 | VOID\r | |
1058 | EslTcp4LocalAddressGet (\r | |
1059 | IN ESL_PORT * pPort,\r | |
1060 | OUT struct sockaddr * pSockAddr\r | |
1061 | )\r | |
1062 | {\r | |
1063 | struct sockaddr_in * pLocalAddress;\r | |
1064 | ESL_TCP4_CONTEXT * pTcp4;\r | |
1065 | \r | |
1066 | DBG_ENTER ( );\r | |
1067 | \r | |
1068 | //\r | |
1069 | // Return the local address\r | |
1070 | //\r | |
1071 | pTcp4 = &pPort->Context.Tcp4;\r | |
1072 | pLocalAddress = (struct sockaddr_in *)pSockAddr;\r | |
1073 | pLocalAddress->sin_family = AF_INET;\r | |
1074 | pLocalAddress->sin_port = SwapBytes16 ( pTcp4->ConfigData.AccessPoint.StationPort );\r | |
1075 | CopyMem ( &pLocalAddress->sin_addr,\r | |
1076 | &pTcp4->ConfigData.AccessPoint.StationAddress.Addr[0],\r | |
1077 | sizeof ( pLocalAddress->sin_addr ));\r | |
1078 | \r | |
1079 | DBG_EXIT ( );\r | |
1080 | }\r | |
1081 | \r | |
1082 | \r | |
1083 | /**\r | |
1084 | Set the local port address.\r | |
1085 | \r | |
1086 | This routine sets the local port address.\r | |
1087 | \r | |
1088 | This support routine is called by ::EslSocketPortAllocate.\r | |
1089 | \r | |
1090 | @param [in] pPort Address of an ESL_PORT structure\r | |
1091 | @param [in] pSockAddr Address of a sockaddr structure that contains the\r | |
1092 | connection point on the local machine. An IPv4 address\r | |
1093 | of INADDR_ANY specifies that the connection is made to\r | |
1094 | all of the network stacks on the platform. Specifying a\r | |
1095 | specific IPv4 address restricts the connection to the\r | |
1096 | network stack supporting that address. Specifying zero\r | |
1097 | for the port causes the network layer to assign a port\r | |
1098 | number from the dynamic range. Specifying a specific\r | |
1099 | port number causes the network layer to use that port.\r | |
1100 | \r | |
1101 | @param [in] bBindTest TRUE = run bind testing\r | |
1102 | \r | |
1103 | @retval EFI_SUCCESS The operation was successful\r | |
d7ce7006 | 1104 | \r |
1105 | **/\r | |
1106 | EFI_STATUS\r | |
a88c3163 | 1107 | EslTcp4LocalAddressSet (\r |
1108 | IN ESL_PORT * pPort,\r | |
1109 | IN CONST struct sockaddr * pSockAddr,\r | |
1110 | IN BOOLEAN bBindTest\r | |
d7ce7006 | 1111 | )\r |
1112 | {\r | |
d7ce7006 | 1113 | EFI_TCP4_ACCESS_POINT * pAccessPoint;\r |
a88c3163 | 1114 | CONST struct sockaddr_in * pIpAddress;\r |
1115 | CONST UINT8 * pIpv4Address;\r | |
d7ce7006 | 1116 | EFI_STATUS Status;\r |
1117 | \r | |
1118 | DBG_ENTER ( );\r | |
1119 | \r | |
1120 | //\r | |
a88c3163 | 1121 | // Validate the address\r |
1122 | //\r | |
1123 | pIpAddress = (struct sockaddr_in *)pSockAddr;\r | |
1124 | if ( INADDR_BROADCAST == pIpAddress->sin_addr.s_addr ) {\r | |
d7ce7006 | 1125 | //\r |
a88c3163 | 1126 | // The local address must not be the broadcast address\r |
d7ce7006 | 1127 | //\r |
a88c3163 | 1128 | Status = EFI_INVALID_PARAMETER;\r |
1129 | pPort->pSocket->errno = EADDRNOTAVAIL;\r | |
1130 | }\r | |
1131 | else {\r | |
d7ce7006 | 1132 | //\r |
a88c3163 | 1133 | // Set the local address\r |
d7ce7006 | 1134 | //\r |
a88c3163 | 1135 | pIpv4Address = (UINT8 *)&pIpAddress->sin_addr.s_addr;\r |
1136 | pAccessPoint = &pPort->Context.Tcp4.ConfigData.AccessPoint;\r | |
1137 | pAccessPoint->StationAddress.Addr[0] = pIpv4Address[0];\r | |
1138 | pAccessPoint->StationAddress.Addr[1] = pIpv4Address[1];\r | |
1139 | pAccessPoint->StationAddress.Addr[2] = pIpv4Address[2];\r | |
1140 | pAccessPoint->StationAddress.Addr[3] = pIpv4Address[3];\r | |
d7ce7006 | 1141 | \r |
1142 | //\r | |
a88c3163 | 1143 | // Determine if the default address is used\r |
d7ce7006 | 1144 | //\r |
a88c3163 | 1145 | pAccessPoint->UseDefaultAddress = (BOOLEAN)( 0 == pIpAddress->sin_addr.s_addr );\r |
1146 | \r | |
d7ce7006 | 1147 | //\r |
a88c3163 | 1148 | // Set the subnet mask\r |
d7ce7006 | 1149 | //\r |
a88c3163 | 1150 | if ( pAccessPoint->UseDefaultAddress ) {\r |
1151 | pAccessPoint->SubnetMask.Addr[0] = 0;\r | |
1152 | pAccessPoint->SubnetMask.Addr[1] = 0;\r | |
1153 | pAccessPoint->SubnetMask.Addr[2] = 0;\r | |
1154 | pAccessPoint->SubnetMask.Addr[3] = 0;\r | |
1155 | }\r | |
1156 | else {\r | |
1157 | pAccessPoint->SubnetMask.Addr[0] = 0xff;\r | |
1158 | pAccessPoint->SubnetMask.Addr[1] = 0xff;\r | |
1159 | pAccessPoint->SubnetMask.Addr[2] = 0xff;\r | |
1160 | pAccessPoint->SubnetMask.Addr[3] = 0xff;\r | |
d7ce7006 | 1161 | }\r |
d7ce7006 | 1162 | \r |
1163 | //\r | |
a88c3163 | 1164 | // Validate the IP address\r |
d7ce7006 | 1165 | //\r |
a88c3163 | 1166 | pAccessPoint->StationPort = 0;\r |
1167 | Status = bBindTest ? EslSocketBindTest ( pPort, EADDRNOTAVAIL )\r | |
1168 | : EFI_SUCCESS;\r | |
1169 | if ( !EFI_ERROR ( Status )) {\r | |
1170 | //\r | |
1171 | // Set the port number\r | |
1172 | //\r | |
1173 | pAccessPoint->StationPort = SwapBytes16 ( pIpAddress->sin_port );\r | |
f74dc4bb | 1174 | pPort->pSocket->bAddressSet = TRUE;\r |
a88c3163 | 1175 | \r |
1176 | //\r | |
1177 | // Display the local address\r | |
1178 | //\r | |
1179 | DEBUG (( DEBUG_BIND,\r | |
1180 | "0x%08x: Port, Local TCP4 Address: %d.%d.%d.%d:%d\r\n",\r | |
1181 | pPort,\r | |
1182 | pAccessPoint->StationAddress.Addr[0],\r | |
1183 | pAccessPoint->StationAddress.Addr[1],\r | |
1184 | pAccessPoint->StationAddress.Addr[2],\r | |
1185 | pAccessPoint->StationAddress.Addr[3],\r | |
1186 | pAccessPoint->StationPort ));\r | |
d7ce7006 | 1187 | }\r |
a88c3163 | 1188 | }\r |
1189 | \r | |
1190 | //\r | |
1191 | // Return the operation status\r | |
1192 | //\r | |
1193 | DBG_EXIT_STATUS ( Status );\r | |
1194 | return Status;\r | |
1195 | }\r | |
1196 | \r | |
1197 | \r | |
1198 | /**\r | |
1199 | Free a receive packet\r | |
1200 | \r | |
1201 | This routine performs the network specific operations necessary\r | |
1202 | to free a receive packet.\r | |
1203 | \r | |
1204 | This routine is called by ::EslSocketPortCloseTxDone to free a\r | |
1205 | receive packet.\r | |
1206 | \r | |
1207 | @param [in] pPacket Address of an ::ESL_PACKET structure.\r | |
1208 | @param [in, out] pRxBytes Address of the count of RX bytes\r | |
1209 | \r | |
1210 | **/\r | |
1211 | VOID\r | |
1212 | EslTcp4PacketFree (\r | |
1213 | IN ESL_PACKET * pPacket,\r | |
1214 | IN OUT size_t * pRxBytes\r | |
1215 | )\r | |
1216 | {\r | |
1217 | DBG_ENTER ( );\r | |
1218 | \r | |
1219 | //\r | |
1220 | // Account for the receive bytes\r | |
1221 | //\r | |
1222 | *pRxBytes -= pPacket->Op.Tcp4Rx.RxData.DataLength;\r | |
1223 | DBG_EXIT ( );\r | |
1224 | }\r | |
1225 | \r | |
d7ce7006 | 1226 | \r |
a88c3163 | 1227 | /**\r |
1228 | Initialize the network specific portions of an ::ESL_PORT structure.\r | |
1229 | \r | |
1230 | This routine initializes the network specific portions of an\r | |
1231 | ::ESL_PORT structure for use by the socket.\r | |
1232 | \r | |
1233 | This support routine is called by ::EslSocketPortAllocate\r | |
1234 | to connect the socket with the underlying network adapter\r | |
1235 | running the TCPv4 protocol.\r | |
1236 | \r | |
1237 | @param [in] pPort Address of an ESL_PORT structure\r | |
1238 | @param [in] DebugFlags Flags for debug messages\r | |
1239 | \r | |
1240 | @retval EFI_SUCCESS - Socket successfully created\r | |
1241 | \r | |
1242 | **/\r | |
1243 | EFI_STATUS\r | |
1244 | EslTcp4PortAllocate (\r | |
1245 | IN ESL_PORT * pPort,\r | |
1246 | IN UINTN DebugFlags\r | |
1247 | )\r | |
1248 | {\r | |
1249 | EFI_TCP4_ACCESS_POINT * pAccessPoint;\r | |
1250 | ESL_SOCKET * pSocket;\r | |
1251 | ESL_TCP4_CONTEXT * pTcp4;\r | |
1252 | EFI_STATUS Status;\r | |
1253 | \r | |
1254 | DBG_ENTER ( );\r | |
1255 | \r | |
1256 | //\r | |
1257 | // Use for/break instead of goto\r | |
1258 | for ( ; ; ) {\r | |
d7ce7006 | 1259 | //\r |
1260 | // Allocate the close event\r | |
1261 | //\r | |
a88c3163 | 1262 | pSocket = pPort->pSocket;\r |
1263 | pTcp4 = &pPort->Context.Tcp4;\r | |
d7ce7006 | 1264 | Status = gBS->CreateEvent ( EVT_NOTIFY_SIGNAL,\r |
1265 | TPL_SOCKETS,\r | |
a88c3163 | 1266 | (EFI_EVENT_NOTIFY)EslSocketPortCloseComplete,\r |
d7ce7006 | 1267 | pPort,\r |
1268 | &pTcp4->CloseToken.CompletionToken.Event);\r | |
1269 | if ( EFI_ERROR ( Status )) {\r | |
1270 | DEBUG (( DEBUG_ERROR | DebugFlags,\r | |
1271 | "ERROR - Failed to create the close event, Status: %r\r\n",\r | |
1272 | Status ));\r | |
1273 | pSocket->errno = ENOMEM;\r | |
1274 | break;\r | |
1275 | }\r | |
1276 | DEBUG (( DEBUG_CLOSE | DEBUG_POOL,\r | |
1277 | "0x%08x: Created close event\r\n",\r | |
1278 | pTcp4->CloseToken.CompletionToken.Event ));\r | |
1279 | \r | |
1280 | //\r | |
1281 | // Allocate the connection event\r | |
1282 | //\r | |
1283 | Status = gBS->CreateEvent ( EVT_NOTIFY_SIGNAL,\r | |
1284 | TPL_SOCKETS,\r | |
a88c3163 | 1285 | (EFI_EVENT_NOTIFY)EslTcp4ConnectComplete,\r |
d7ce7006 | 1286 | pPort,\r |
1287 | &pTcp4->ConnectToken.CompletionToken.Event);\r | |
1288 | if ( EFI_ERROR ( Status )) {\r | |
1289 | DEBUG (( DEBUG_ERROR | DebugFlags,\r | |
1290 | "ERROR - Failed to create the connect event, Status: %r\r\n",\r | |
1291 | Status ));\r | |
1292 | pSocket->errno = ENOMEM;\r | |
1293 | break;\r | |
1294 | }\r | |
1295 | DEBUG (( DEBUG_CLOSE | DEBUG_POOL,\r | |
1296 | "0x%08x: Created connect event\r\n",\r | |
1297 | pTcp4->ConnectToken.CompletionToken.Event ));\r | |
1298 | \r | |
1299 | //\r | |
a88c3163 | 1300 | // Initialize the port\r |
d7ce7006 | 1301 | //\r |
a88c3163 | 1302 | pSocket->TxPacketOffset = OFFSET_OF ( ESL_PACKET, Op.Tcp4Tx.TxData );\r |
1303 | pSocket->TxTokenEventOffset = OFFSET_OF ( ESL_IO_MGMT, Token.Tcp4Tx.CompletionToken.Event );\r | |
1304 | pSocket->TxTokenOffset = OFFSET_OF ( EFI_TCP4_IO_TOKEN, Packet.TxData );\r | |
d7ce7006 | 1305 | \r |
1306 | //\r | |
a88c3163 | 1307 | // Save the cancel, receive and transmit addresses\r |
1308 | // pPort->pfnRxCancel = NULL; since the UEFI implementation returns EFI_UNSUPPORTED\r | |
d7ce7006 | 1309 | //\r |
a88c3163 | 1310 | pPort->pfnConfigure = (PFN_NET_CONFIGURE)pPort->pProtocol.TCPv4->Configure;\r |
3bdf9aae | 1311 | pPort->pfnRxPoll = (PFN_NET_POLL)pPort->pProtocol.TCPv4->Poll;\r |
a88c3163 | 1312 | pPort->pfnRxStart = (PFN_NET_IO_START)pPort->pProtocol.TCPv4->Receive;\r |
1313 | pPort->pfnTxStart = (PFN_NET_IO_START)pPort->pProtocol.TCPv4->Transmit;\r | |
d7ce7006 | 1314 | \r |
1315 | //\r | |
a88c3163 | 1316 | // Set the configuration flags\r |
d7ce7006 | 1317 | //\r |
a88c3163 | 1318 | pAccessPoint = &pPort->Context.Tcp4.ConfigData.AccessPoint;\r |
1319 | pAccessPoint->ActiveFlag = FALSE;\r | |
1320 | pTcp4->ConfigData.TimeToLive = 255;\r | |
d7ce7006 | 1321 | break;\r |
1322 | }\r | |
1323 | \r | |
d7ce7006 | 1324 | //\r |
1325 | // Return the operation status\r | |
1326 | //\r | |
1327 | DBG_EXIT_STATUS ( Status );\r | |
1328 | return Status;\r | |
1329 | }\r | |
1330 | \r | |
1331 | \r | |
1332 | /**\r | |
1333 | Close a TCP4 port.\r | |
1334 | \r | |
a88c3163 | 1335 | This routine releases the network specific resources allocated by\r |
1336 | ::EslTcp4PortAllocate.\r | |
1337 | \r | |
1338 | This routine is called by ::EslSocketPortClose.\r | |
1339 | See the \ref PortCloseStateMachine section.\r | |
d7ce7006 | 1340 | \r |
a88c3163 | 1341 | @param [in] pPort Address of an ::ESL_PORT structure.\r |
d7ce7006 | 1342 | \r |
1343 | @retval EFI_SUCCESS The port is closed\r | |
1344 | @retval other Port close error\r | |
1345 | \r | |
1346 | **/\r | |
1347 | EFI_STATUS\r | |
a88c3163 | 1348 | EslTcp4PortClose (\r |
1349 | IN ESL_PORT * pPort\r | |
d7ce7006 | 1350 | )\r |
1351 | {\r | |
1352 | UINTN DebugFlags;\r | |
a88c3163 | 1353 | ESL_TCP4_CONTEXT * pTcp4;\r |
d7ce7006 | 1354 | EFI_STATUS Status;\r |
1355 | \r | |
1356 | DBG_ENTER ( );\r | |
1357 | \r | |
d7ce7006 | 1358 | //\r |
1359 | // Locate the port in the socket list\r | |
1360 | //\r | |
1361 | Status = EFI_SUCCESS;\r | |
d7ce7006 | 1362 | DebugFlags = pPort->DebugFlags;\r |
d7ce7006 | 1363 | pTcp4 = &pPort->Context.Tcp4;\r |
d7ce7006 | 1364 | \r |
1365 | //\r | |
1366 | // Done with the connect event\r | |
1367 | //\r | |
1368 | if ( NULL != pTcp4->ConnectToken.CompletionToken.Event ) {\r | |
1369 | Status = gBS->CloseEvent ( pTcp4->ConnectToken.CompletionToken.Event );\r | |
1370 | if ( !EFI_ERROR ( Status )) {\r | |
1371 | DEBUG (( DebugFlags | DEBUG_POOL,\r | |
1372 | "0x%08x: Closed connect event\r\n",\r | |
1373 | pTcp4->ConnectToken.CompletionToken.Event ));\r | |
1374 | }\r | |
1375 | else {\r | |
1376 | DEBUG (( DEBUG_ERROR | DebugFlags,\r | |
1377 | "ERROR - Failed to close the connect event, Status: %r\r\n",\r | |
1378 | Status ));\r | |
1379 | ASSERT ( EFI_SUCCESS == Status );\r | |
1380 | }\r | |
1381 | }\r | |
1382 | \r | |
1383 | //\r | |
1384 | // Done with the close event\r | |
1385 | //\r | |
1386 | if ( NULL != pTcp4->CloseToken.CompletionToken.Event ) {\r | |
1387 | Status = gBS->CloseEvent ( pTcp4->CloseToken.CompletionToken.Event );\r | |
1388 | if ( !EFI_ERROR ( Status )) {\r | |
1389 | DEBUG (( DebugFlags | DEBUG_POOL,\r | |
1390 | "0x%08x: Closed close event\r\n",\r | |
1391 | pTcp4->CloseToken.CompletionToken.Event ));\r | |
1392 | }\r | |
1393 | else {\r | |
1394 | DEBUG (( DEBUG_ERROR | DebugFlags,\r | |
1395 | "ERROR - Failed to close the close event, Status: %r\r\n",\r | |
1396 | Status ));\r | |
1397 | ASSERT ( EFI_SUCCESS == Status );\r | |
1398 | }\r | |
1399 | }\r | |
1400 | \r | |
1401 | //\r | |
1402 | // Done with the listen completion event\r | |
1403 | //\r | |
1404 | if ( NULL != pTcp4->ListenToken.CompletionToken.Event ) {\r | |
1405 | Status = gBS->CloseEvent ( pTcp4->ListenToken.CompletionToken.Event );\r | |
1406 | if ( !EFI_ERROR ( Status )) {\r | |
1407 | DEBUG (( DebugFlags | DEBUG_POOL,\r | |
1408 | "0x%08x: Closed listen completion event\r\n",\r | |
1409 | pTcp4->ListenToken.CompletionToken.Event ));\r | |
1410 | }\r | |
1411 | else {\r | |
1412 | DEBUG (( DEBUG_ERROR | DebugFlags,\r | |
1413 | "ERROR - Failed to close the listen completion event, Status: %r\r\n",\r | |
1414 | Status ));\r | |
1415 | ASSERT ( EFI_SUCCESS == Status );\r | |
1416 | }\r | |
1417 | }\r | |
1418 | \r | |
d7ce7006 | 1419 | //\r |
1420 | // Return the operation status\r | |
1421 | //\r | |
1422 | DBG_EXIT_STATUS ( Status );\r | |
1423 | return Status;\r | |
1424 | }\r | |
1425 | \r | |
1426 | \r | |
1427 | /**\r | |
a88c3163 | 1428 | Perform the network specific close operation on the port.\r |
d7ce7006 | 1429 | \r |
a88c3163 | 1430 | This routine performs a cancel operations on the TCPv4 port to\r |
1431 | shutdown the receive operations on the port.\r | |
d7ce7006 | 1432 | \r |
a88c3163 | 1433 | This routine is called by the ::EslSocketPortCloseTxDone\r |
1434 | routine after the port completes all of the transmission.\r | |
1435 | \r | |
1436 | @param [in] pPort Address of an ::ESL_PORT structure.\r | |
1437 | \r | |
1438 | @retval EFI_SUCCESS The port is closed, not normally returned\r | |
1439 | @retval EFI_NOT_READY The port is still closing\r | |
1440 | @retval EFI_ALREADY_STARTED Error, the port is in the wrong state,\r | |
1441 | most likely the routine was called already.\r | |
d7ce7006 | 1442 | \r |
1443 | **/\r | |
a88c3163 | 1444 | EFI_STATUS\r |
1445 | EslTcp4PortCloseOp (\r | |
1446 | IN ESL_PORT * pPort\r | |
d7ce7006 | 1447 | )\r |
1448 | {\r | |
a88c3163 | 1449 | ESL_TCP4_CONTEXT * pTcp4;\r |
1450 | EFI_TCP4_PROTOCOL * pTcp4Protocol;\r | |
d7ce7006 | 1451 | EFI_STATUS Status;\r |
1452 | \r | |
1453 | DBG_ENTER ( );\r | |
1454 | \r | |
1455 | //\r | |
a88c3163 | 1456 | // Close the configured port\r |
d7ce7006 | 1457 | //\r |
a88c3163 | 1458 | Status = EFI_SUCCESS;\r |
1459 | pTcp4 = &pPort->Context.Tcp4;\r | |
1460 | pTcp4Protocol = pPort->pProtocol.TCPv4;\r | |
1461 | pTcp4->CloseToken.AbortOnClose = pPort->bCloseNow;\r | |
1462 | Status = pTcp4Protocol->Close ( pTcp4Protocol,\r | |
1463 | &pTcp4->CloseToken );\r | |
1464 | if ( !EFI_ERROR ( Status )) {\r | |
1465 | DEBUG (( pPort->DebugFlags | DEBUG_CLOSE | DEBUG_INFO,\r | |
1466 | "0x%08x: Port close started\r\n",\r | |
1467 | pPort ));\r | |
1468 | }\r | |
1469 | else {\r | |
1470 | DEBUG (( DEBUG_ERROR | pPort->DebugFlags | DEBUG_CLOSE | DEBUG_INFO,\r | |
1471 | "ERROR - Close failed on port 0x%08x, Status: %r\r\n",\r | |
1472 | pPort,\r | |
1473 | Status ));\r | |
1474 | }\r | |
d7ce7006 | 1475 | \r |
1476 | //\r | |
a88c3163 | 1477 | // Return the operation status\r |
d7ce7006 | 1478 | //\r |
d7ce7006 | 1479 | DBG_EXIT_STATUS ( Status );\r |
a88c3163 | 1480 | return Status;\r |
d7ce7006 | 1481 | }\r |
1482 | \r | |
1483 | \r | |
1484 | /**\r | |
a88c3163 | 1485 | Receive data from a network connection.\r |
d7ce7006 | 1486 | \r |
a88c3163 | 1487 | This routine attempts to return buffered data to the caller. The\r |
1488 | data is removed from the urgent queue if the message flag MSG_OOB\r | |
1489 | is specified, otherwise data is removed from the normal queue.\r | |
1490 | See the \ref ReceiveEngine section.\r | |
d7ce7006 | 1491 | \r |
a88c3163 | 1492 | This routine is called by ::EslSocketReceive to handle the network\r |
1493 | specific receive operation to support SOCK_STREAM and SOCK_SEQPACKET\r | |
1494 | sockets.\r | |
d7ce7006 | 1495 | \r |
a88c3163 | 1496 | @param [in] pPort Address of an ::ESL_PORT structure.\r |
d7ce7006 | 1497 | \r |
a88c3163 | 1498 | @param [in] pPacket Address of an ::ESL_PACKET structure.\r |
d7ce7006 | 1499 | \r |
a88c3163 | 1500 | @param [in] pbConsumePacket Address of a BOOLEAN indicating if the packet is to be consumed\r |
d7ce7006 | 1501 | \r |
1502 | @param [in] BufferLength Length of the the buffer\r | |
1503 | \r | |
1504 | @param [in] pBuffer Address of a buffer to receive the data.\r | |
1505 | \r | |
1506 | @param [in] pDataLength Number of received data bytes in the buffer.\r | |
1507 | \r | |
1508 | @param [out] pAddress Network address to receive the remote system address\r | |
1509 | \r | |
a88c3163 | 1510 | @param [out] pSkipBytes Address to receive the number of bytes skipped\r |
d7ce7006 | 1511 | \r |
a88c3163 | 1512 | @return Returns the address of the next free byte in the buffer.\r |
d7ce7006 | 1513 | \r |
1514 | **/\r | |
a88c3163 | 1515 | UINT8 *\r |
1516 | EslTcp4Receive (\r | |
1517 | IN ESL_PORT * pPort,\r | |
1518 | IN ESL_PACKET * pPacket,\r | |
1519 | IN BOOLEAN * pbConsumePacket,\r | |
d7ce7006 | 1520 | IN size_t BufferLength,\r |
1521 | IN UINT8 * pBuffer,\r | |
1522 | OUT size_t * pDataLength,\r | |
1523 | OUT struct sockaddr * pAddress,\r | |
a88c3163 | 1524 | OUT size_t * pSkipBytes\r |
d7ce7006 | 1525 | )\r |
1526 | {\r | |
a88c3163 | 1527 | size_t DataLength;\r |
d7ce7006 | 1528 | struct sockaddr_in * pRemoteAddress;\r |
a88c3163 | 1529 | ESL_TCP4_CONTEXT * pTcp4;\r |
d7ce7006 | 1530 | \r |
1531 | DBG_ENTER ( );\r | |
1532 | \r | |
1533 | //\r | |
a88c3163 | 1534 | // Return the remote system address if requested\r |
d7ce7006 | 1535 | //\r |
a88c3163 | 1536 | if ( NULL != pAddress ) {\r |
d7ce7006 | 1537 | //\r |
a88c3163 | 1538 | // Build the remote address\r |
d7ce7006 | 1539 | //\r |
1540 | pTcp4 = &pPort->Context.Tcp4;\r | |
a88c3163 | 1541 | DEBUG (( DEBUG_RX,\r |
1542 | "Getting packet remote address: %d.%d.%d.%d:%d\r\n",\r | |
1543 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[0],\r | |
1544 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[1],\r | |
1545 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[2],\r | |
1546 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[3],\r | |
1547 | pTcp4->ConfigData.AccessPoint.RemotePort ));\r | |
1548 | pRemoteAddress = (struct sockaddr_in *)pAddress;\r | |
1549 | CopyMem ( &pRemoteAddress->sin_addr,\r | |
1550 | &pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[0],\r | |
1551 | sizeof ( pRemoteAddress->sin_addr ));\r | |
1552 | pRemoteAddress->sin_port = SwapBytes16 ( pTcp4->ConfigData.AccessPoint.RemotePort );\r | |
d7ce7006 | 1553 | }\r |
1554 | \r | |
1555 | //\r | |
a88c3163 | 1556 | // Determine the amount of received data\r |
d7ce7006 | 1557 | //\r |
a88c3163 | 1558 | DataLength = pPacket->ValidBytes;\r |
1559 | if ( BufferLength < DataLength ) {\r | |
1560 | DataLength = BufferLength;\r | |
1561 | }\r | |
d7ce7006 | 1562 | \r |
1563 | //\r | |
a88c3163 | 1564 | // Move the data into the buffer\r |
1565 | //\r | |
1566 | DEBUG (( DEBUG_RX,\r | |
1567 | "0x%08x: Port copy packet 0x%08x data into 0x%08x, 0x%08x bytes\r\n",\r | |
1568 | pPort,\r | |
1569 | pPacket,\r | |
1570 | pBuffer,\r | |
1571 | DataLength ));\r | |
1572 | CopyMem ( pBuffer, pPacket->pBuffer, DataLength );\r | |
d7ce7006 | 1573 | \r |
a88c3163 | 1574 | //\r |
1575 | // Determine if the data is being read\r | |
1576 | //\r | |
1577 | if ( *pbConsumePacket ) {\r | |
d7ce7006 | 1578 | //\r |
a88c3163 | 1579 | // Account for the bytes consumed\r |
d7ce7006 | 1580 | //\r |
a88c3163 | 1581 | pPacket->pBuffer += DataLength;\r |
1582 | pPacket->ValidBytes -= DataLength;\r | |
1583 | DEBUG (( DEBUG_RX,\r | |
1584 | "0x%08x: Port account for 0x%08x bytes\r\n",\r | |
d7ce7006 | 1585 | pPort,\r |
a88c3163 | 1586 | DataLength ));\r |
d7ce7006 | 1587 | \r |
1588 | //\r | |
a88c3163 | 1589 | // Determine if the entire packet was consumed\r |
d7ce7006 | 1590 | //\r |
a88c3163 | 1591 | if (( 0 == pPacket->ValidBytes )\r |
1592 | || ( SOCK_STREAM != pPort->pSocket->Type )) {\r | |
1593 | //\r | |
1594 | // All done with this packet\r | |
1595 | // Account for any discarded data\r | |
1596 | //\r | |
1597 | *pSkipBytes = pPacket->ValidBytes;\r | |
d7ce7006 | 1598 | }\r |
a88c3163 | 1599 | else\r |
1600 | {\r | |
1601 | //\r | |
1602 | // More data to consume later\r | |
1603 | //\r | |
1604 | *pbConsumePacket = FALSE;\r | |
d7ce7006 | 1605 | }\r |
1606 | }\r | |
d7ce7006 | 1607 | \r |
a88c3163 | 1608 | //\r |
1609 | // Return the data length and the buffer address\r | |
1610 | //\r | |
1611 | *pDataLength = DataLength;\r | |
1612 | DBG_EXIT_HEX ( pBuffer );\r | |
1613 | return pBuffer;\r | |
1614 | }\r | |
d7ce7006 | 1615 | \r |
a88c3163 | 1616 | \r |
1617 | /**\r | |
1618 | Get the remote socket address.\r | |
1619 | \r | |
1620 | This routine returns the address of the remote connection point\r | |
1621 | associated with the SOCK_STREAM or SOCK_SEQPACKET socket.\r | |
1622 | \r | |
1623 | This routine is called by ::EslSocketGetPeerAddress to detemine\r | |
1624 | the TCPv4 address and por number associated with the network adapter.\r | |
1625 | \r | |
1626 | @param [in] pPort Address of an ::ESL_PORT structure.\r | |
1627 | \r | |
1628 | @param [out] pAddress Network address to receive the remote system address\r | |
1629 | \r | |
1630 | **/\r | |
1631 | VOID\r | |
1632 | EslTcp4RemoteAddressGet (\r | |
1633 | IN ESL_PORT * pPort,\r | |
1634 | OUT struct sockaddr * pAddress\r | |
1635 | )\r | |
1636 | {\r | |
1637 | struct sockaddr_in * pRemoteAddress;\r | |
1638 | ESL_TCP4_CONTEXT * pTcp4;\r | |
1639 | \r | |
1640 | DBG_ENTER ( );\r | |
1641 | \r | |
1642 | //\r | |
1643 | // Return the remote address\r | |
1644 | //\r | |
1645 | pTcp4 = &pPort->Context.Tcp4;\r | |
1646 | pRemoteAddress = (struct sockaddr_in *)pAddress;\r | |
1647 | pRemoteAddress->sin_family = AF_INET;\r | |
1648 | pRemoteAddress->sin_port = SwapBytes16 ( pTcp4->ConfigData.AccessPoint.RemotePort );\r | |
1649 | CopyMem ( &pRemoteAddress->sin_addr,\r | |
1650 | &pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[0],\r | |
1651 | sizeof ( pRemoteAddress->sin_addr ));\r | |
d7ce7006 | 1652 | \r |
1653 | DBG_EXIT ( );\r | |
1654 | }\r | |
1655 | \r | |
1656 | \r | |
1657 | /**\r | |
a88c3163 | 1658 | Set the remote address\r |
1659 | \r | |
1660 | This routine sets the remote address in the port.\r | |
1661 | \r | |
1662 | This routine is called by ::EslSocketConnect to specify the\r | |
1663 | remote network address.\r | |
1664 | \r | |
1665 | @param [in] pPort Address of an ::ESL_PORT structure.\r | |
1666 | \r | |
1667 | @param [in] pSockAddr Network address of the remote system.\r | |
1668 | \r | |
1669 | @param [in] SockAddrLength Length in bytes of the network address.\r | |
d7ce7006 | 1670 | \r |
a88c3163 | 1671 | @retval EFI_SUCCESS The operation was successful\r |
d7ce7006 | 1672 | \r |
1673 | **/\r | |
a88c3163 | 1674 | EFI_STATUS\r |
1675 | EslTcp4RemoteAddressSet (\r | |
1676 | IN ESL_PORT * pPort,\r | |
1677 | IN CONST struct sockaddr * pSockAddr,\r | |
1678 | IN socklen_t SockAddrLength\r | |
d7ce7006 | 1679 | )\r |
1680 | {\r | |
a88c3163 | 1681 | CONST struct sockaddr_in * pRemoteAddress;\r |
1682 | ESL_TCP4_CONTEXT * pTcp4;\r | |
d7ce7006 | 1683 | EFI_STATUS Status;\r |
1684 | \r | |
1685 | DBG_ENTER ( );\r | |
1686 | \r | |
1687 | //\r | |
a88c3163 | 1688 | // Set the remote address\r |
d7ce7006 | 1689 | //\r |
d7ce7006 | 1690 | pTcp4 = &pPort->Context.Tcp4;\r |
a88c3163 | 1691 | pRemoteAddress = (struct sockaddr_in *)pSockAddr;\r |
1692 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[0] = (UINT8)( pRemoteAddress->sin_addr.s_addr );\r | |
1693 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[1] = (UINT8)( pRemoteAddress->sin_addr.s_addr >> 8 );\r | |
1694 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[2] = (UINT8)( pRemoteAddress->sin_addr.s_addr >> 16 );\r | |
1695 | pTcp4->ConfigData.AccessPoint.RemoteAddress.Addr[3] = (UINT8)( pRemoteAddress->sin_addr.s_addr >> 24 );\r | |
1696 | pTcp4->ConfigData.AccessPoint.RemotePort = SwapBytes16 ( pRemoteAddress->sin_port );\r | |
1697 | Status = EFI_SUCCESS;\r | |
1698 | if ( INADDR_BROADCAST == pRemoteAddress->sin_addr.s_addr ) {\r | |
1699 | DEBUG (( DEBUG_CONNECT,\r | |
1700 | "ERROR - Invalid remote address\r\n" ));\r | |
1701 | Status = EFI_INVALID_PARAMETER;\r | |
1702 | pPort->pSocket->errno = EAFNOSUPPORT;\r | |
d7ce7006 | 1703 | }\r |
1704 | \r | |
a88c3163 | 1705 | //\r |
1706 | // Return the operation status\r | |
1707 | //\r | |
1708 | DBG_EXIT_STATUS ( Status );\r | |
1709 | return Status;\r | |
d7ce7006 | 1710 | }\r |
1711 | \r | |
1712 | \r | |
1713 | /**\r | |
a88c3163 | 1714 | Process the receive completion\r |
1715 | \r | |
1716 | This routine queues the data in FIFO order in either the urgent\r | |
1717 | or normal data queues depending upon the type of data received.\r | |
1718 | See the \ref ReceiveEngine section.\r | |
1719 | \r | |
1720 | This routine is called by the TCPv4 driver when some data is\r | |
1721 | received.\r | |
d7ce7006 | 1722 | \r |
a88c3163 | 1723 | Buffer the data that was just received.\r |
1724 | \r | |
1725 | @param [in] Event The receive completion event\r | |
d7ce7006 | 1726 | \r |
a88c3163 | 1727 | @param [in] pIo Address of an ::ESL_IO_MGMT structure\r |
d7ce7006 | 1728 | \r |
1729 | **/\r | |
1730 | VOID\r | |
a88c3163 | 1731 | EslTcp4RxComplete (\r |
1732 | IN EFI_EVENT Event,\r | |
1733 | IN ESL_IO_MGMT * pIo\r | |
d7ce7006 | 1734 | )\r |
1735 | {\r | |
a88c3163 | 1736 | BOOLEAN bUrgent;\r |
1737 | size_t LengthInBytes;\r | |
1738 | ESL_PACKET * pPacket;\r | |
1739 | EFI_STATUS Status;\r | |
d7ce7006 | 1740 | \r |
1741 | DBG_ENTER ( );\r | |
1742 | \r | |
1743 | //\r | |
a88c3163 | 1744 | // Get the operation status.\r |
d7ce7006 | 1745 | //\r |
a88c3163 | 1746 | Status = pIo->Token.Tcp4Rx.CompletionToken.Status;\r |
d7ce7006 | 1747 | \r |
1748 | //\r | |
a88c3163 | 1749 | // +--------------------+ +---------------------------+\r |
1750 | // | ESL_IO_MGMT | | ESL_PACKET |\r | |
1751 | // | | | |\r | |
1752 | // | +---------------+ +-----------------------+ |\r | |
1753 | // | | Token | | EFI_TCP4_RECEIVE_DATA | |\r | |
1754 | // | | RxData --> | | |\r | |
1755 | // | | | +-----------------------+---+\r | |
1756 | // | | Event | | Data Buffer |\r | |
1757 | // +----+---------------+ | |\r | |
1758 | // | |\r | |
1759 | // +---------------------------+\r | |
d7ce7006 | 1760 | //\r |
a88c3163 | 1761 | //\r |
1762 | // Duplicate the buffer address and length for use by the\r | |
1763 | // buffer handling code in EslTcp4Receive. These fields are\r | |
1764 | // used when a partial read is done of the data from the\r | |
1765 | // packet.\r | |
1766 | //\r | |
1767 | pPacket = pIo->pPacket;\r | |
1768 | pPacket->pBuffer = pPacket->Op.Tcp4Rx.RxData.FragmentTable[0].FragmentBuffer;\r | |
1769 | LengthInBytes = pPacket->Op.Tcp4Rx.RxData.DataLength;\r | |
1770 | pPacket->ValidBytes = LengthInBytes;\r | |
d7ce7006 | 1771 | \r |
a88c3163 | 1772 | //\r |
1773 | // Get the data type so that it may be linked to the\r | |
1774 | // correct receive buffer list on the ESL_SOCKET structure\r | |
1775 | //\r | |
1776 | bUrgent = pPacket->Op.Tcp4Rx.RxData.UrgentFlag;\r | |
d7ce7006 | 1777 | \r |
1778 | //\r | |
a88c3163 | 1779 | // Complete this request\r |
d7ce7006 | 1780 | //\r |
a88c3163 | 1781 | EslSocketRxComplete ( pIo, Status, LengthInBytes, bUrgent );\r |
1782 | DBG_EXIT ( );\r | |
1783 | }\r | |
1784 | \r | |
1785 | \r | |
1786 | /**\r | |
1787 | Start a receive operation\r | |
1788 | \r | |
1789 | This routine posts a receive buffer to the TCPv4 driver.\r | |
1790 | See the \ref ReceiveEngine section.\r | |
1791 | \r | |
1792 | This support routine is called by EslSocketRxStart.\r | |
1793 | \r | |
1794 | @param [in] pPort Address of an ::ESL_PORT structure.\r | |
1795 | @param [in] pIo Address of an ::ESL_IO_MGMT structure.\r | |
1796 | \r | |
1797 | **/\r | |
1798 | VOID\r | |
1799 | EslTcp4RxStart (\r | |
1800 | IN ESL_PORT * pPort,\r | |
1801 | IN ESL_IO_MGMT * pIo\r | |
1802 | )\r | |
1803 | {\r | |
1804 | ESL_PACKET * pPacket;\r | |
1805 | \r | |
1806 | DBG_ENTER ( );\r | |
1807 | \r | |
1808 | //\r | |
1809 | // Initialize the buffer for receive\r | |
1810 | //\r | |
1811 | pPacket = pIo->pPacket;\r | |
1812 | pIo->Token.Tcp4Rx.Packet.RxData = &pPacket->Op.Tcp4Rx.RxData;\r | |
1813 | pPacket->Op.Tcp4Rx.RxData.DataLength = sizeof ( pPacket->Op.Tcp4Rx.Buffer );\r | |
1814 | pPacket->Op.Tcp4Rx.RxData.FragmentCount = 1;\r | |
1815 | pPacket->Op.Tcp4Rx.RxData.FragmentTable[0].FragmentLength = pPacket->Op.Tcp4Rx.RxData.DataLength;\r | |
1816 | pPacket->Op.Tcp4Rx.RxData.FragmentTable[0].FragmentBuffer = &pPacket->Op.Tcp4Rx.Buffer[0];\r | |
d7ce7006 | 1817 | \r |
1818 | DBG_EXIT ( );\r | |
1819 | }\r | |
1820 | \r | |
1821 | \r | |
1822 | /**\r | |
1823 | Determine if the socket is configured.\r | |
1824 | \r | |
a88c3163 | 1825 | This routine uses the flag ESL_SOCKET::bConfigured to determine\r |
1826 | if the network layer's configuration routine has been called.\r | |
1827 | \r | |
1828 | This routine is called by EslSocketIsConfigured to verify\r | |
1829 | that the socket has been configured.\r | |
1830 | \r | |
1831 | @param [in] pSocket Address of an ::ESL_SOCKET structure.\r | |
d7ce7006 | 1832 | \r |
d7ce7006 | 1833 | @retval EFI_SUCCESS - The port is connected\r |
1834 | @retval EFI_NOT_STARTED - The port is not connected\r | |
1835 | \r | |
1836 | **/\r | |
1837 | EFI_STATUS\r | |
a88c3163 | 1838 | EslTcp4SocketIsConfigured (\r |
1839 | IN ESL_SOCKET * pSocket\r | |
d7ce7006 | 1840 | )\r |
1841 | {\r | |
1842 | EFI_STATUS Status;\r | |
1843 | \r | |
1844 | DBG_ENTER ( );\r | |
1845 | \r | |
1846 | //\r | |
1847 | // Determine the socket configuration status\r | |
1848 | //\r | |
1849 | Status = pSocket->bConfigured ? EFI_SUCCESS : EFI_NOT_STARTED;\r | |
1850 | \r | |
1851 | //\r | |
1852 | // Return the port connected state.\r | |
1853 | //\r | |
1854 | DBG_EXIT_STATUS ( Status );\r | |
1855 | return Status;\r | |
1856 | }\r | |
1857 | \r | |
1858 | \r | |
1859 | /**\r | |
1860 | Buffer data for transmission over a network connection.\r | |
1861 | \r | |
a88c3163 | 1862 | This routine buffers data for the transmit engine in one of two\r |
1863 | queues, one for urgent (out-of-band) data and the other for normal\r | |
1864 | data. The urgent data is provided to TCP as soon as it is available,\r | |
1865 | allowing the TCP layer to schedule transmission of the urgent data\r | |
1866 | between packets of normal data.\r | |
d7ce7006 | 1867 | \r |
a88c3163 | 1868 | This routine is called by ::EslSocketTransmit to buffer\r |
1869 | data for transmission. When the \ref TransmitEngine has resources,\r | |
1870 | this routine will start the transmission of the next buffer on\r | |
1871 | the network connection.\r | |
d7ce7006 | 1872 | \r |
1873 | Transmission errors are returned during the next transmission or\r | |
1874 | during the close operation. Only buffering errors are returned\r | |
1875 | during the current transmission attempt.\r | |
1876 | \r | |
a88c3163 | 1877 | @param [in] pSocket Address of an ::ESL_SOCKET structure\r |
d7ce7006 | 1878 | \r |
1879 | @param [in] Flags Message control flags\r | |
1880 | \r | |
1881 | @param [in] BufferLength Length of the the buffer\r | |
1882 | \r | |
1883 | @param [in] pBuffer Address of a buffer to receive the data.\r | |
1884 | \r | |
1885 | @param [in] pDataLength Number of received data bytes in the buffer.\r | |
1886 | \r | |
a88c3163 | 1887 | @param [in] pAddress Network address of the remote system address\r |
1888 | \r | |
1889 | @param [in] AddressLength Length of the remote network address structure\r | |
1890 | \r | |
d7ce7006 | 1891 | @retval EFI_SUCCESS - Socket data successfully buffered\r |
1892 | \r | |
1893 | **/\r | |
1894 | EFI_STATUS\r | |
a88c3163 | 1895 | EslTcp4TxBuffer (\r |
1896 | IN ESL_SOCKET * pSocket,\r | |
d7ce7006 | 1897 | IN int Flags,\r |
1898 | IN size_t BufferLength,\r | |
1899 | IN CONST UINT8 * pBuffer,\r | |
a88c3163 | 1900 | OUT size_t * pDataLength,\r |
1901 | IN const struct sockaddr * pAddress,\r | |
1902 | IN socklen_t AddressLength\r | |
d7ce7006 | 1903 | )\r |
1904 | {\r | |
1905 | BOOLEAN bUrgent;\r | |
a88c3163 | 1906 | BOOLEAN bUrgentQueue;\r |
1907 | ESL_PACKET * pPacket;\r | |
1908 | ESL_IO_MGMT ** ppActive;\r | |
1909 | ESL_IO_MGMT ** ppFree;\r | |
1910 | ESL_PORT * pPort;\r | |
1911 | ESL_PACKET ** ppQueueHead;\r | |
1912 | ESL_PACKET ** ppQueueTail;\r | |
1913 | ESL_PACKET * pPreviousPacket;\r | |
1914 | ESL_TCP4_CONTEXT * pTcp4;\r | |
d7ce7006 | 1915 | size_t * pTxBytes;\r |
1916 | EFI_TCP4_TRANSMIT_DATA * pTxData;\r | |
1917 | EFI_STATUS Status;\r | |
1918 | EFI_TPL TplPrevious;\r | |
1919 | \r | |
1920 | DBG_ENTER ( );\r | |
1921 | \r | |
1922 | //\r | |
1923 | // Assume failure\r | |
1924 | //\r | |
1925 | Status = EFI_UNSUPPORTED;\r | |
1926 | pSocket->errno = ENOTCONN;\r | |
a88c3163 | 1927 | *pDataLength = 0;\r |
d7ce7006 | 1928 | \r |
1929 | //\r | |
1930 | // Verify that the socket is connected\r | |
1931 | //\r | |
1932 | if ( SOCKET_STATE_CONNECTED == pSocket->State ) {\r | |
1933 | //\r | |
1934 | // Locate the port\r | |
1935 | //\r | |
1936 | pPort = pSocket->pPortList;\r | |
1937 | if ( NULL != pPort ) {\r | |
1938 | //\r | |
1939 | // Determine the queue head\r | |
1940 | //\r | |
1941 | pTcp4 = &pPort->Context.Tcp4;\r | |
1942 | bUrgent = (BOOLEAN)( 0 != ( Flags & MSG_OOB ));\r | |
a88c3163 | 1943 | bUrgentQueue = bUrgent\r |
1944 | && ( !pSocket->bOobInLine )\r | |
1945 | && pSocket->pApi->bOobSupported;\r | |
1946 | if ( bUrgentQueue ) {\r | |
d7ce7006 | 1947 | ppQueueHead = &pSocket->pTxOobPacketListHead;\r |
1948 | ppQueueTail = &pSocket->pTxOobPacketListTail;\r | |
a88c3163 | 1949 | ppActive = &pPort->pTxOobActive;\r |
1950 | ppFree = &pPort->pTxOobFree;\r | |
d7ce7006 | 1951 | pTxBytes = &pSocket->TxOobBytes;\r |
1952 | }\r | |
1953 | else {\r | |
1954 | ppQueueHead = &pSocket->pTxPacketListHead;\r | |
1955 | ppQueueTail = &pSocket->pTxPacketListTail;\r | |
a88c3163 | 1956 | ppActive = &pPort->pTxActive;\r |
1957 | ppFree = &pPort->pTxFree;\r | |
d7ce7006 | 1958 | pTxBytes = &pSocket->TxBytes;\r |
1959 | }\r | |
1960 | \r | |
1961 | //\r | |
1962 | // Verify that there is enough room to buffer another\r | |
1963 | // transmit operation\r | |
1964 | //\r | |
1965 | if ( pSocket->MaxTxBuf > *pTxBytes ) {\r | |
a88c3163 | 1966 | if ( pPort->bTxFlowControl ) {\r |
1967 | DEBUG (( DEBUG_TX,\r | |
1968 | "TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT\r\n0x%08x: pPort, TX flow control released, Max bytes: %d > %d bufferred bytes\r\n",\r | |
1969 | pPort,\r | |
1970 | pSocket->MaxTxBuf,\r | |
1971 | *pTxBytes ));\r | |
1972 | pPort->bTxFlowControl = FALSE;\r | |
1973 | }\r | |
1974 | \r | |
d7ce7006 | 1975 | //\r |
1976 | // Attempt to allocate the packet\r | |
1977 | //\r | |
1978 | Status = EslSocketPacketAllocate ( &pPacket,\r | |
1979 | sizeof ( pPacket->Op.Tcp4Tx )\r | |
1980 | - sizeof ( pPacket->Op.Tcp4Tx.Buffer )\r | |
1981 | + BufferLength,\r | |
a88c3163 | 1982 | 0,\r |
d7ce7006 | 1983 | DEBUG_TX );\r |
1984 | if ( !EFI_ERROR ( Status )) {\r | |
1985 | //\r | |
1986 | // Initialize the transmit operation\r | |
1987 | //\r | |
1988 | pTxData = &pPacket->Op.Tcp4Tx.TxData;\r | |
a88c3163 | 1989 | pTxData->Push = TRUE || bUrgent;\r |
d7ce7006 | 1990 | pTxData->Urgent = bUrgent;\r |
1991 | pTxData->DataLength = (UINT32) BufferLength;\r | |
1992 | pTxData->FragmentCount = 1;\r | |
1993 | pTxData->FragmentTable[0].FragmentLength = (UINT32) BufferLength;\r | |
1994 | pTxData->FragmentTable[0].FragmentBuffer = &pPacket->Op.Tcp4Tx.Buffer[0];\r | |
1995 | \r | |
1996 | //\r | |
1997 | // Copy the data into the buffer\r | |
1998 | //\r | |
1999 | CopyMem ( &pPacket->Op.Tcp4Tx.Buffer[0],\r | |
2000 | pBuffer,\r | |
2001 | BufferLength );\r | |
2002 | \r | |
2003 | //\r | |
2004 | // Synchronize with the socket layer\r | |
2005 | //\r | |
2006 | RAISE_TPL ( TplPrevious, TPL_SOCKETS );\r | |
2007 | \r | |
2008 | //\r | |
2009 | // Stop transmission after an error\r | |
2010 | //\r | |
2011 | if ( !EFI_ERROR ( pSocket->TxError )) {\r | |
2012 | //\r | |
2013 | // Display the request\r | |
2014 | //\r | |
2015 | DEBUG (( DEBUG_TX,\r | |
2016 | "Send %d %s bytes from 0x%08x\r\n",\r | |
2017 | BufferLength,\r | |
2018 | bUrgent ? L"urgent" : L"normal",\r | |
2019 | pBuffer ));\r | |
2020 | \r | |
2021 | //\r | |
2022 | // Queue the data for transmission\r | |
2023 | //\r | |
2024 | pPacket->pNext = NULL;\r | |
2025 | pPreviousPacket = *ppQueueTail;\r | |
2026 | if ( NULL == pPreviousPacket ) {\r | |
2027 | *ppQueueHead = pPacket;\r | |
2028 | }\r | |
2029 | else {\r | |
2030 | pPreviousPacket->pNext = pPacket;\r | |
2031 | }\r | |
2032 | *ppQueueTail = pPacket;\r | |
2033 | DEBUG (( DEBUG_TX,\r | |
2034 | "0x%08x: Packet on %s transmit list\r\n",\r | |
2035 | pPacket,\r | |
a88c3163 | 2036 | bUrgentQueue ? L"urgent" : L"normal" ));\r |
d7ce7006 | 2037 | \r |
2038 | //\r | |
2039 | // Account for the buffered data\r | |
2040 | //\r | |
2041 | *pTxBytes += BufferLength;\r | |
2042 | *pDataLength = BufferLength;\r | |
2043 | \r | |
2044 | //\r | |
2045 | // Start the transmit engine if it is idle\r | |
2046 | //\r | |
a88c3163 | 2047 | if ( NULL != *ppFree ) {\r |
2048 | EslSocketTxStart ( pPort,\r | |
2049 | ppQueueHead,\r | |
2050 | ppQueueTail,\r | |
2051 | ppActive,\r | |
2052 | ppFree );\r | |
d7ce7006 | 2053 | }\r |
2054 | }\r | |
2055 | else {\r | |
2056 | //\r | |
2057 | // Previous transmit error\r | |
2058 | // Stop transmission\r | |
2059 | //\r | |
2060 | Status = pSocket->TxError;\r | |
2061 | pSocket->errno = EIO;\r | |
2062 | \r | |
2063 | //\r | |
2064 | // Free the packet\r | |
2065 | //\r | |
2066 | EslSocketPacketFree ( pPacket, DEBUG_TX );\r | |
2067 | }\r | |
2068 | \r | |
2069 | //\r | |
2070 | // Release the socket layer synchronization\r | |
2071 | //\r | |
2072 | RESTORE_TPL ( TplPrevious );\r | |
2073 | }\r | |
2074 | else {\r | |
2075 | //\r | |
2076 | // Packet allocation failed\r | |
2077 | //\r | |
2078 | pSocket->errno = ENOMEM;\r | |
2079 | }\r | |
2080 | }\r | |
2081 | else {\r | |
a88c3163 | 2082 | if ( !pPort->bTxFlowControl ) {\r |
2083 | DEBUG (( DEBUG_TX,\r | |
2084 | "0x%08x: pPort, TX flow control applied, Max bytes %d <= %d bufferred bytes\r\nTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT\r\n",\r | |
2085 | pPort,\r | |
2086 | pSocket->MaxTxBuf,\r | |
2087 | *pTxBytes ));\r | |
2088 | pPort->bTxFlowControl = TRUE;\r | |
2089 | }\r | |
d7ce7006 | 2090 | //\r |
2091 | // Not enough buffer space available\r | |
2092 | //\r | |
2093 | pSocket->errno = EAGAIN;\r | |
2094 | Status = EFI_NOT_READY;\r | |
2095 | }\r | |
2096 | }\r | |
2097 | }\r | |
2098 | \r | |
2099 | //\r | |
2100 | // Return the operation status\r | |
2101 | //\r | |
2102 | DBG_EXIT_STATUS ( Status );\r | |
2103 | return Status;\r | |
2104 | }\r | |
2105 | \r | |
2106 | \r | |
2107 | /**\r | |
2108 | Process the normal data transmit completion\r | |
2109 | \r | |
a88c3163 | 2110 | This routine use ::EslSocketTxComplete to perform the transmit\r |
2111 | completion processing for normal data.\r | |
2112 | \r | |
2113 | This routine is called by the TCPv4 network layer when a\r | |
2114 | normal data transmit request completes.\r | |
2115 | \r | |
2116 | @param [in] Event The normal transmit completion event\r | |
d7ce7006 | 2117 | \r |
a88c3163 | 2118 | @param [in] pIo The ESL_IO_MGMT structure address\r |
d7ce7006 | 2119 | \r |
2120 | **/\r | |
2121 | VOID\r | |
a88c3163 | 2122 | EslTcp4TxComplete (\r |
d7ce7006 | 2123 | IN EFI_EVENT Event,\r |
a88c3163 | 2124 | IN ESL_IO_MGMT * pIo\r |
d7ce7006 | 2125 | )\r |
2126 | {\r | |
2127 | UINT32 LengthInBytes;\r | |
a88c3163 | 2128 | ESL_PACKET * pPacket;\r |
2129 | ESL_PORT * pPort;\r | |
2130 | ESL_SOCKET * pSocket;\r | |
d7ce7006 | 2131 | EFI_STATUS Status;\r |
2132 | \r | |
2133 | DBG_ENTER ( );\r | |
a88c3163 | 2134 | \r |
d7ce7006 | 2135 | //\r |
2136 | // Locate the active transmit packet\r | |
2137 | //\r | |
a88c3163 | 2138 | pPacket = pIo->pPacket;\r |
2139 | pPort = pIo->pPort;\r | |
d7ce7006 | 2140 | pSocket = pPort->pSocket;\r |
a88c3163 | 2141 | \r |
d7ce7006 | 2142 | //\r |
a88c3163 | 2143 | // Get the transmit length and status\r |
d7ce7006 | 2144 | //\r |
d7ce7006 | 2145 | LengthInBytes = pPacket->Op.Tcp4Tx.TxData.DataLength;\r |
2146 | pSocket->TxBytes -= LengthInBytes;\r | |
a88c3163 | 2147 | Status = pIo->Token.Tcp4Tx.CompletionToken.Status;\r |
d7ce7006 | 2148 | \r |
2149 | //\r | |
a88c3163 | 2150 | // Complete the transmit operation\r |
d7ce7006 | 2151 | //\r |
a88c3163 | 2152 | EslSocketTxComplete ( pIo,\r |
2153 | LengthInBytes,\r | |
2154 | Status,\r | |
2155 | "Normal ",\r | |
2156 | &pSocket->pTxPacketListHead,\r | |
2157 | &pSocket->pTxPacketListTail,\r | |
2158 | &pPort->pTxActive,\r | |
2159 | &pPort->pTxFree );\r | |
d7ce7006 | 2160 | DBG_EXIT ( );\r |
2161 | }\r | |
2162 | \r | |
2163 | \r | |
2164 | /**\r | |
2165 | Process the urgent data transmit completion\r | |
2166 | \r | |
a88c3163 | 2167 | This routine use ::EslSocketTxComplete to perform the transmit\r |
2168 | completion processing for urgent data.\r | |
d7ce7006 | 2169 | \r |
a88c3163 | 2170 | This routine is called by the TCPv4 network layer when a\r |
2171 | urgent data transmit request completes.\r | |
2172 | \r | |
2173 | @param [in] Event The urgent transmit completion event\r | |
2174 | \r | |
2175 | @param [in] pIo The ESL_IO_MGMT structure address\r | |
d7ce7006 | 2176 | \r |
2177 | **/\r | |
2178 | VOID\r | |
a88c3163 | 2179 | EslTcp4TxOobComplete (\r |
d7ce7006 | 2180 | IN EFI_EVENT Event,\r |
a88c3163 | 2181 | IN ESL_IO_MGMT * pIo\r |
d7ce7006 | 2182 | )\r |
2183 | {\r | |
2184 | UINT32 LengthInBytes;\r | |
a88c3163 | 2185 | ESL_PACKET * pPacket;\r |
2186 | ESL_PORT * pPort;\r | |
2187 | ESL_SOCKET * pSocket;\r | |
d7ce7006 | 2188 | EFI_STATUS Status;\r |
2189 | \r | |
2190 | DBG_ENTER ( );\r | |
2191 | \r | |
2192 | //\r | |
2193 | // Locate the active transmit packet\r | |
2194 | //\r | |
a88c3163 | 2195 | pPacket = pIo->pPacket;\r |
2196 | pPort = pIo->pPort;\r | |
d7ce7006 | 2197 | pSocket = pPort->pSocket;\r |
d7ce7006 | 2198 | \r |
2199 | //\r | |
a88c3163 | 2200 | // Get the transmit length and status\r |
d7ce7006 | 2201 | //\r |
d7ce7006 | 2202 | LengthInBytes = pPacket->Op.Tcp4Tx.TxData.DataLength;\r |
2203 | pSocket->TxOobBytes -= LengthInBytes;\r | |
a88c3163 | 2204 | Status = pIo->Token.Tcp4Tx.CompletionToken.Status;\r |
d7ce7006 | 2205 | \r |
2206 | //\r | |
a88c3163 | 2207 | // Complete the transmit operation\r |
d7ce7006 | 2208 | //\r |
a88c3163 | 2209 | EslSocketTxComplete ( pIo,\r |
2210 | LengthInBytes,\r | |
2211 | Status,\r | |
2212 | "Urgent ",\r | |
2213 | &pSocket->pTxOobPacketListHead,\r | |
2214 | &pSocket->pTxOobPacketListTail,\r | |
2215 | &pPort->pTxOobActive,\r | |
2216 | &pPort->pTxOobFree );\r | |
d7ce7006 | 2217 | DBG_EXIT ( );\r |
2218 | }\r | |
2219 | \r | |
2220 | \r | |
2221 | /**\r | |
a88c3163 | 2222 | Interface between the socket layer and the network specific\r |
2223 | code that supports SOCK_STREAM and SOCK_SEQPACKET sockets\r | |
2224 | over TCPv4.\r | |
2225 | **/\r | |
2226 | CONST ESL_PROTOCOL_API cEslTcp4Api = {\r | |
2227 | "TCPv4",\r | |
2228 | IPPROTO_TCP,\r | |
2229 | OFFSET_OF ( ESL_PORT, Context.Tcp4.ConfigData ),\r | |
2230 | OFFSET_OF ( ESL_LAYER, pTcp4List ),\r | |
2231 | OFFSET_OF ( struct sockaddr_in, sin_zero ),\r | |
2232 | sizeof ( struct sockaddr_in ),\r | |
2233 | AF_INET,\r | |
2234 | sizeof (((ESL_PACKET *)0 )->Op.Tcp4Rx ),\r | |
2235 | OFFSET_OF ( ESL_PACKET, Op.Tcp4Rx.Buffer ) - OFFSET_OF ( ESL_PACKET, Op ),\r | |
2236 | OFFSET_OF ( ESL_IO_MGMT, Token.Tcp4Rx.Packet.RxData ),\r | |
2237 | TRUE,\r | |
2238 | EADDRINUSE,\r | |
2239 | EslTcp4Accept,\r | |
2240 | EslTcp4ConnectPoll,\r | |
2241 | EslTcp4ConnectStart,\r | |
2242 | EslTcp4SocketIsConfigured,\r | |
2243 | EslTcp4LocalAddressGet,\r | |
2244 | EslTcp4LocalAddressSet,\r | |
2245 | EslTcp4Listen,\r | |
2246 | NULL, // OptionGet\r | |
2247 | NULL, // OptionSet\r | |
2248 | EslTcp4PacketFree,\r | |
2249 | EslTcp4PortAllocate,\r | |
2250 | EslTcp4PortClose,\r | |
2251 | EslTcp4PortCloseOp,\r | |
2252 | FALSE,\r | |
2253 | EslTcp4Receive,\r | |
2254 | EslTcp4RemoteAddressGet,\r | |
2255 | EslTcp4RemoteAddressSet,\r | |
2256 | EslTcp4RxComplete,\r | |
2257 | EslTcp4RxStart,\r | |
2258 | EslTcp4TxBuffer,\r | |
2259 | EslTcp4TxComplete,\r | |
2260 | EslTcp4TxOobComplete\r | |
2261 | };\r |