[TCPIP]
[reactos.git] / reactos / lib / drivers / lwip / CHANGELOG
1 FUTURE
2
3 * TODO: The lwIP source code makes some invalid assumptions on processor
4 word-length, storage sizes and alignment. See the mailing lists for
5 problems with exoteric (/DSP) architectures showing these problems.
6 We still have to fix some of these issues neatly.
7
8 HISTORY
9
10 (CVS HEAD)
11
12 * [Enter new changes just after this line - do not remove this line]
13
14 ++ New features:
15
16 2010-07-12: Simon Goldschmidt (patch by Stephane Lesage)
17 * ip.c, udp.c/.h, pbuf.h, sockets.c: task #10495: Added support for
18 IP_MULTICAST_LOOP at socket- and raw-API level.
19
20 2010-06-16: Simon Goldschmidt
21 * ip.c: Added an optional define (LWIP_IP_ACCEPT_UDP_PORT) that can allow
22 link-layer-addressed UDP traffic to be received while a netif is down (just
23 like DHCP during configuration)
24
25 2010-05-22: Simon Goldschmidt
26 * many many files: bug #27352: removed packing from ip_addr_t, the packed
27 version is now only used in protocol headers. Added global storage for
28 current src/dest IP address while in input functions.
29
30 2010-05-16: Simon Goldschmidt
31 * def.h: task #10391: Add preprocessor-macros for compile-time htonl
32 calculation (and use them throughout the stack where applicable)
33
34 2010-05-16: Simon Goldschmidt
35 * opt.h, memp_std.h, memp.c, ppp_oe.h/.c: PPPoE now uses its own MEMP pool
36 instead of the heap (moved struct pppoe_softc from ppp_oe.c to ppp_oe.h)
37
38 2010-05-16: Simon Goldschmidt
39 * opt.h, memp_std.h, dns.h/.c: DNS_LOCAL_HOSTLIST_IS_DYNAMIC uses its own
40 MEMP pool instead of the heap
41
42 2010-05-13: Simon Goldschmidt
43 * tcp.c, udp.c: task #6995: Implement SO_REUSEADDR (correctly), added
44 new option SO_REUSE_RXTOALL to pass received UDP broadcast/multicast
45 packets to more than one pcb.
46
47 2010-05-02: Simon Goldschmidt
48 * netbuf.h/.c, sockets.c, api_msg.c: use checksum-on-copy for sending
49 UDP data for LWIP_NETIF_TX_SINGLE_PBUF==1
50
51 2010-04-30: Simon Goldschmidt
52 * udp.h/.c, pbuf.h/.c: task #6849: added udp_send(_to/_if) functions that
53 take a precalculated checksum, added pbuf_fill_chksum() to copy data
54 into a pbuf and at the same time calculating the checksum for that data
55
56 2010-04-29: Simon Goldschmidt
57 * ip_addr.h, etharp.h/.c, autoip.c: Create overridable macros for copying
58 2-byte-aligned IP addresses and MAC addresses
59
60 2010-04-28: Patch by Bill Auerbach
61 * ip.c: Inline generating IP checksum to save a function call
62
63 2010-04-14: Simon Goldschmidt
64 * tcpip.h/.c, timers.c: Added an overridable define to get informed when the
65 tcpip_thread processes messages or timeouts to implement a watchdog.
66
67 2010-03-28: Simon Goldschmidt
68 * ip_frag.c: create a new (contiguous) PBUF_RAM for every outgoing
69 fragment if LWIP_NETIF_TX_SINGLE_PBUF==1
70
71 2010-03-27: Simon Goldschmidt
72 * etharp.c: Speedup TX by moving code from find_entry to etharp_output/
73 etharp_query to prevent unnecessary function calls (inspired by
74 patch #7135).
75
76 2010-03-20: Simon Goldschmidt
77 * opt.h, tcpip.c/.h: Added an option to disable tcpip_(un)timeout code
78 since the linker cannot do this automatically to save space.
79
80 2010-03-20: Simon Goldschmidt
81 * opt.h, etharp.c/.h: Added support for static ARP table entries
82
83 2010-03-14: Simon Goldschmidt
84 * tcp_impl.h, tcp_out.c, inet_chksum.h/.c: task #6849: Calculate checksum
85 when creating TCP segments, not when (re-)transmitting them.
86
87 2010-03-07: Simon Goldschmidt
88 * sockets.c: bug #28775 (select/event_callback: only check select_cb_list
89 on change) plus use SYS_LIGHTWEIGHT_PROT to protect the select code.
90 This should speed up receiving data on sockets as the select code in
91 event_callback is only executed when select is waiting.
92
93 2010-03-06: Simon Goldschmidt
94 * tcp_out.c: task #7013 (Create option to have all packets delivered to
95 netif->output in one piece): Always copy to try to create single pbufs
96 in tcp_write.
97
98 2010-03-06: Simon Goldschmidt
99 * api.h, api_lib.c, sockets.c: task #10167 (sockets: speed up TCP recv
100 by not allocating a netbuf): added function netconn_recv_tcp_pbuf()
101 for tcp netconns to receive pbufs, not netbufs; use that function
102 for tcp sockets.
103
104 2010-03-05: Jakob Ole Stoklundsen / Simon Goldschmidt
105 * opt.h, tcp.h, tcp_impl.h, tcp.c, tcp_in.c, tcp_out.c: task #7040:
106 Work on tcp_enqueue: Don't waste memory when chaining segments,
107 added option TCP_OVERSIZE to prevent creating many small pbufs when
108 calling tcp_write with many small blocks of data. Instead, pbufs are
109 allocated larger than needed and the space is used for later calls to
110 tcp_write.
111
112 2010-02-21: Simon Goldschmidt
113 * stats.c/.h: Added const char* name to mem- and memp-stats for easier
114 debugging.
115
116 2010-02-21: Simon Goldschmidt
117 * tcp.h (and usages), added tcp_impl.h: Splitted API and internal
118 implementation of tcp to make API usage cleare to application programmers
119
120 2010-02-14: Simon Goldschmidt/Stephane Lesage
121 * ip_addr.h: Improved some defines working on ip addresses, added faster
122 macro to copy addresses that cannot be NULL
123
124 2010-02-13: Simon Goldschmidt
125 * api.h, api_lib.c, api_msg.c, sockets.c: task #7865 (implement non-
126 blocking send operation)
127
128 2010-02-12: Simon Goldschmidt
129 * sockets.c/.h: Added a minimal version of posix fctl() to have a
130 standardised way to set O_NONBLOCK for nonblocking sockets.
131
132 2010-02-12: Simon Goldschmidt
133 * dhcp.c/.h, autoip.c/.h: task #10139 (Prefer statically allocated
134 memory): added autoip_set_struct() and dhcp_set_struct() to let autoip
135 and dhcp work with user-allocated structs instead of callin mem_malloc
136
137 2010-02-12: Simon Goldschmidt/Jeff Barber
138 * tcp.c/h: patch #6865 (SO_REUSEADDR for TCP): if pcb.so_options has
139 SOF_REUSEADDR set, allow binding to endpoint in TIME_WAIT
140
141 2010-02-12: Simon Goldschmidt
142 * sys layer: task #10139 (Prefer statically allocated memory): converted
143 mbox and semaphore functions to take pointers to sys_mbox_t/sys_sem_t;
144 converted sys_mbox_new/sys_sem_new to take pointers and return err_t;
145 task #7212: Add Mutex concept in sys_arch (define LWIP_COMPAT_MUTEX
146 to let sys.h use binary semaphores instead of mutexes - as before)
147
148 2010-02-09: Simon Goldschmidt (Simon Kallweit)
149 * timers.c/.h: Added function sys_restart_timeouts() from patch #7085
150 (Restart system timeout handling)
151
152 2010-02-09: Simon Goldschmidt
153 * netif.c/.h, removed loopif.c/.h: task #10153 (Integrate loopif into
154 netif.c) - loopif does not have to be created by the port any more,
155 just define LWIP_HAVE_LOOPIF to 1.
156
157 2010-02-08: Simon Goldschmidt
158 * inet.h, ip_addr.c/.h: Added reentrant versions of inet_ntoa/ipaddr_ntoa
159 inet_ntoa_r/ipaddr_ntoa_r
160
161 2010-02-08: Simon Goldschmidt
162 * netif.h: Added netif_s/get_igmp_mac_filter() macros
163
164 2010-02-05: Simon Goldschmidt
165 * netif.h: Added function-like macros to get/set the hostname on a netif
166
167 2010-02-04: Simon Goldschmidt
168 * nearly every file: Replaced struct ip_addr by typedef ip_addr_t to
169 make changing the actual implementation behind the typedef easier.
170
171 2010-02-01: Simon Goldschmidt
172 * opt.h, memp_std.h, dns.h, netdb.c, memp.c: Let netdb use a memp pool
173 for allocating memory when getaddrinfo() is called.
174
175 2010-01-31: Simon Goldschmidt
176 * dhcp.h, dhcp.c: Reworked the code that parses DHCP options: parse
177 them once instead of parsing for every option. This also removes
178 the need for mem_malloc from dhcp_recv and makes it possible to
179 correctly retrieve the BOOTP file.
180
181 2010-01-30: simon Goldschmidt
182 * sockets.c: Use SYS_LIGHTWEIGHT_PROT instead of a semaphore to protect
183 the sockets array.
184
185 2010-01-29: Simon Goldschmidt (patch by Laura Garrett)
186 * api.h, api_msg.c, sockets.c: Added except set support in select
187 (patch #6860)
188
189 2010-01-29: Simon Goldschmidt (patch by Laura Garrett)
190 * api.h, sockets.h, err.h, api_lib.c, api_msg.c, sockets.c, err.c:
191 Add non-blocking support for connect (partly from patch #6860),
192 plus many cleanups in socket & netconn API.
193
194 2010-01-27: Simon Goldschmidt
195 * opt.h, tcp.h, init.c, api_msg.c: Added TCP_SNDQUEUELOWAT corresponding
196 to TCP_SNDLOWAT and added tcp_sndqueuelen() - this fixes bug #28605
197
198 2010-01-26: Simon Goldschmidt
199 * snmp: Use memp pools for snmp instead of the heap; added 4 new pools.
200
201 2010-01-14: Simon Goldschmidt
202 * ppp.c/.h: Fixed bug #27856: PPP: Set netif link- and status-callback
203 by adding ppp_set_netif_statuscallback()/ppp_set_netif_linkcallback()
204
205 2010-01-13: Simon Goldschmidt
206 * mem.c: The heap now may be moved to user-defined memory by defining
207 LWIP_RAM_HEAP_POINTER as a void pointer to that memory's address
208 (patch #6966 and bug #26133)
209
210 2010-01-10: Simon Goldschmidt (Bill Auerbach)
211 * opt.h, memp.c: patch #6822 (Add option to place memory pools in
212 separate arrays)
213
214 2010-01-10: Simon Goldschmidt
215 * init.c, igmp.c: patch #6463 (IGMP - Adding Random Delay): added define
216 LWIP_RAND() for lwip-wide randomization (to be defined in cc.h)
217
218 2009-12-31: Simon Goldschmidt
219 * tcpip.c, init.c, memp.c, sys.c, memp_std.h, sys.h, tcpip.h
220 added timers.c/.h: Separated timer implementation from semaphore/mbox
221 implementation, moved timer implementation to timers.c/.h, timers are
222 now only called from tcpip_thread or by explicitly checking them.
223 (TASK#7235)
224
225 2009-12-27: Simon Goldschmidt
226 * opt.h, etharp.h/.c, init.c, tcpip.c: Added an additional option
227 LWIP_ETHERNET to support ethernet without ARP (necessary for pure PPPoE)
228
229
230 ++ Bugfixes:
231
232 2010-07-16: Kieran Mansley
233 * msg_in.c: Fixed SNMP ASN constant defines to not use ! operator
234
235 2010-07-10: Simon Goldschmidt
236 * ip.c: Fixed bug #30402: CHECKSUM_GEN_IP_INLINE does not add IP options
237
238 2010-06-30: Simon Goldschmidt
239 * api_msg.c: fixed bug #30300 (shutdown parameter was not initialized in
240 netconn_delete)
241
242 2010-06-28: Kieran Mansley
243 * timers.c remove unportable printing of C function pointers
244
245 2010-06-24: Simon Goldschmidt
246 * init.c, timers.c/.h, opt.h, memp_std.h: From patch #7221: added flag
247 NO_SYS_NO_TIMERS to drop timer support for NO_SYS==1 for easier upgrading
248
249 2010-06-24: Simon Goldschmidt
250 * api(_lib).c/.h, api_msg.c/.h, sockets.c/.h: Fixed bug #10088: Correctly
251 implemented shutdown at socket level.
252
253 2010-06-21: Simon Goldschmidt
254 * pbuf.c/.h, ip_frag.c/.h, opt.h, memp_std.h: Fixed bug #29361 (ip_frag has
255 problems with zero-copy DMA MACs) by adding custom pbufs and implementing
256 custom pbufs that reference other (original) pbufs. Additionally set
257 IP_FRAG_USES_STATIC_BUF=0 as default to be on the safe side.
258
259 2010-06-15: Simon Goldschmidt
260 * dhcp.c: Fixed bug #29970: DHCP endian issue parsing option responses
261
262 2010-06-14: Simon Goldschmidt
263 * autoip.c: Fixed bug #30039: AutoIP does not reuse previous addresses
264
265 2010-06-12: Simon Goldschmidt
266 * dhcp.c: Fixed bug #30038: dhcp_network_changed doesn't reset AUTOIP coop
267 state
268
269 2010-05-17: Simon Goldschmidt
270 * netdb.c: Correctly NULL-terminate h_addr_list
271
272 2010-05-16: Simon Goldschmidt
273 * def.h/.c: changed the semantics of LWIP_PREFIX_BYTEORDER_FUNCS to prevent
274 "symbol already defined" i.e. when linking to winsock
275
276 2010-05-05: Simon Goldschmidt
277 * def.h, timers.c: Fixed bug #29769 (sys_check_timeouts: sys_now() may
278 overflow)
279
280 2010-04-21: Simon Goldschmidt
281 * api_msg.c: Fixed bug #29617 (sometime cause stall on delete listening
282 connection)
283
284 2010-03-28: Luca Ceresoli
285 * ip_addr.c/.h: patch #7143: Add a few missing const qualifiers
286
287 2010-03-27: Luca Ceresoli
288 * mib2.c: patch #7130: remove meaningless const qualifiers
289
290 2010-03-26: Simon Goldschmidt
291 * tcp_out.c: Make LWIP_NETIF_TX_SINGLE_PBUF work for TCP, too
292
293 2010-03-26: Simon Goldschmidt
294 * various files: Fixed compiling with different options disabled (TCP/UDP),
295 triggered by bug #29345; don't allocate acceptmbox if LWIP_TCP is disabled
296
297 2010-03-25: Simon Goldschmidt
298 * sockets.c: Fixed bug #29332: lwip_select() processes readset incorrectly
299
300 2010-03-25: Simon Goldschmidt
301 * tcp_in.c, test_tcp_oos.c: Fixed bug #29080: Correctly handle remote side
302 overrunning our rcv_wnd in ooseq case.
303
304 2010-03-22: Simon Goldschmidt
305 * tcp.c: tcp_listen() did not copy the pcb's prio.
306
307 2010-03-19: Simon Goldschmidt
308 * snmp_msg.c: Fixed bug #29256: SNMP Trap address was not correctly set
309
310 2010-03-14: Simon Goldschmidt
311 * opt.h, etharp.h: Fixed bug #29148 (Incorrect PBUF_POOL_BUFSIZE for ports
312 where ETH_PAD_SIZE > 0) by moving definition of ETH_PAD_SIZE to opt.h
313 and basing PBUF_LINK_HLEN on it.
314
315 2010-03-08: Simon Goldschmidt
316 * netif.c, ipv4/ip.c: task #10241 (AutoIP: don't break existing connections
317 when assiging routable address): when checking incoming packets and
318 aborting existing connection on address change, filter out link-local
319 addresses.
320
321 2010-03-06: Simon Goldschmidt
322 * sockets.c: Fixed LWIP_NETIF_TX_SINGLE_PBUF for LWIP_TCPIP_CORE_LOCKING
323
324 2010-03-06: Simon Goldschmidt
325 * ipv4/ip.c: Don't try to forward link-local addresses
326
327 2010-03-06: Simon Goldschmidt
328 * etharp.c: Fixed bug #29087: etharp: don't send packets for LinkLocal-
329 addresses to gw
330
331 2010-03-05: Simon Goldschmidt
332 * dhcp.c: Fixed bug #29072: Correctly set ciaddr based on message-type
333 and state.
334
335 2010-03-05: Simon Goldschmidt
336 * api_msg.c: Correctly set TCP_WRITE_FLAG_MORE when netconn_write is split
337 into multiple calls to tcp_write.
338
339 2010-02-21: Simon Goldschmidt
340 * opt.h, mem.h, dns.c: task #10140: Remove DNS_USES_STATIC_BUF (keep
341 the implementation of DNS_USES_STATIC_BUF==1)
342
343 2010-02-20: Simon Goldschmidt
344 * tcp.h, tcp.c, tcp_in.c, tcp_out.c: Task #10088: Correctly implement
345 close() vs. shutdown(). Now the application does not get any more
346 recv callbacks after calling tcp_close(). Added tcp_shutdown().
347
348 2010-02-19: Simon Goldschmidt
349 * mem.c/.h, pbuf.c: Renamed mem_realloc() to mem_trim() to prevent
350 confusion with realloc()
351
352 2010-02-15: Simon Goldschmidt/Stephane Lesage
353 * netif.c/.h: Link status does not depend on LWIP_NETIF_LINK_CALLBACK
354 (fixes bug #28899)
355
356 2010-02-14: Simon Goldschmidt
357 * netif.c: Fixed bug #28877 (Duplicate ARP gratuitous packet with
358 LWIP_NETIF_LINK_CALLBACK set on) by only sending if both link- and
359 admin-status of a netif are up
360
361 2010-02-14: Simon Goldschmidt
362 * opt.h: Disable ETHARP_TRUST_IP_MAC by default since it slows down packet
363 reception and is not really necessary
364
365 2010-02-14: Simon Goldschmidt
366 * etharp.c/.h: Fixed ARP input processing: only add a new entry if a
367 request was directed as us (RFC 826, Packet Reception), otherwise
368 only update existing entries; internalized some functions
369
370 2010-02-14: Simon Goldschmidt
371 * netif.h, etharp.c, tcpip.c: Fixed bug #28183 (ARP and TCP/IP cannot be
372 disabled on netif used for PPPoE) by adding a new netif flag
373 (NETIF_FLAG_ETHERNET) that tells the stack the device is an ethernet
374 device but prevents usage of ARP (so that ethernet_input can be used
375 for PPPoE).
376
377 2010-02-12: Simon Goldschmidt
378 * netif.c: netif_set_link_up/down: only do something if the link state
379 actually changes
380
381 2010-02-12: Simon Goldschmidt/Stephane Lesage
382 * api_msg.c: Fixed bug #28865 (Cannot close socket/netconn in non-blocking
383 connect)
384
385 2010-02-12: Simon Goldschmidt
386 * mem.h: Fixed bug #28866 (mem_realloc function defined in mem.h)
387
388 2010-02-09: Simon Goldschmidt
389 * api_lib.c, api_msg.c, sockets.c, api.h, api_msg.h: Fixed bug #22110
390 (recv() makes receive window update for data that wasn't received by
391 application)
392
393 2010-02-09: Simon Goldschmidt/Stephane Lesage
394 * sockets.c: Fixed bug #28853 (lwip_recvfrom() returns 0 on receive time-out
395 or any netconn_recv() error)
396
397 2010-02-09: Simon Goldschmidt
398 * ppp.c: task #10154 (PPP: Update snmp in/out counters for tx/rx packets)
399
400 2010-02-09: Simon Goldschmidt
401 * netif.c: For loopback packets, adjust the stats- and snmp-counters
402 for the loopback netif.
403
404 2010-02-08: Simon Goldschmidt
405 * igmp.c/.h, ip.h: Moved most defines from igmp.h to igmp.c for clarity
406 since they are not used anywhere else.
407
408 2010-02-08: Simon Goldschmidt (Stéphane Lesage)
409 * igmp.c, igmp.h, stats.c, stats.h: Improved IGMP stats
410 (patch from bug #28798)
411
412 2010-02-08: Simon Goldschmidt (Stéphane Lesage)
413 * igmp.c: Fixed bug #28798 (Error in "Max Response Time" processing) and
414 another bug when LWIP_RAND() returns zero.
415
416 2010-02-04: Simon Goldschmidt
417 * nearly every file: Use macros defined in ip_addr.h (some of them new)
418 to work with IP addresses (preparation for bug #27352 - Change ip_addr
419 from struct to typedef (u32_t) - and better code).
420
421 2010-01-31: Simon Goldschmidt
422 * netif.c: Don't call the link-callback from netif_set_up/down() since
423 this invalidly retriggers DHCP.
424
425 2010-01-29: Simon Goldschmidt
426 * ip_addr.h, inet.h, def.h, inet.c, def.c, more: Cleanly separate the
427 portability file inet.h and its contents from the stack: moved htonX-
428 functions to def.h (and the new def.c - they are not ipv4 dependent),
429 let inet.h depend on ip_addr.h and not the other way round.
430 This fixes bug #28732.
431
432 2010-01-28: Kieran Mansley
433 * tcp.c: Ensure ssthresh >= 2*MSS
434
435 2010-01-27: Simon Goldschmidt
436 * tcp.h, tcp.c, tcp_in.c: Fixed bug #27871: Calling tcp_abort() in recv
437 callback can lead to accessing unallocated memory. As a consequence,
438 ERR_ABRT means the application has called tcp_abort()!
439
440 2010-01-25: Simon Goldschmidt
441 * snmp_structs.h, msg_in.c: Partly fixed bug #22070 (MIB_OBJECT_WRITE_ONLY
442 not implemented in SNMP): write-only or not-accessible are still
443 returned by getnext (though not by get)
444
445 2010-01-24: Simon Goldschmidt
446 * snmp: Renamed the private mib node from 'private' to 'mib_private' to
447 not use reserved C/C++ keywords
448
449 2010-01-23: Simon Goldschmidt
450 * sockets.c: Fixed bug #28716: select() returns 0 after waiting for less
451 than 1 ms
452
453 2010-01-21: Simon Goldschmidt
454 * tcp.c, api_msg.c: Fixed bug #28651 (tcp_connect: no callbacks called
455 if tcp_enqueue fails) both in raw- and netconn-API
456
457 2010-01-19: Simon Goldschmidt
458 * api_msg.c: Fixed bug #27316: netconn: Possible deadlock in err_tcp
459
460 2010-01-18: Iordan Neshev/Simon Goldschmidt
461 * src/netif/ppp: reorganised PPP sourcecode to 2.3.11 including some
462 bugfix backports from 2.4.x.
463
464 2010-01-18: Simon Goldschmidt
465 * mem.c: Fixed bug #28679: mem_realloc calculates mem_stats wrong
466
467 2010-01-17: Simon Goldschmidt
468 * api_lib.c, api_msg.c, (api_msg.h, api.h, sockets.c, tcpip.c):
469 task #10102: "netconn: clean up conn->err threading issues" by adding
470 error return value to struct api_msg_msg
471
472 2010-01-17: Simon Goldschmidt
473 * api.h, api_lib.c, sockets.c: Changed netconn_recv() and netconn_accept()
474 to return err_t (bugs #27709 and #28087)
475
476 2010-01-14: Simon Goldschmidt
477 * ...: Use typedef for function prototypes throughout the stack.
478
479 2010-01-13: Simon Goldschmidt
480 * api_msg.h/.c, api_lib.c: Fixed bug #26672 (close connection when receive
481 window = 0) by correctly draining recvmbox/acceptmbox
482
483 2010-01-11: Simon Goldschmidt
484 * pap.c: Fixed bug #13315 (PPP PAP authentication can result in
485 erroneous callbacks) by copying the code from recent pppd
486
487 2010-01-10: Simon Goldschmidt
488 * raw.c: Fixed bug #28506 (raw_bind should filter received packets)
489
490 2010-01-10: Simon Goldschmidt
491 * tcp.h/.c: bug #28127 (remove call to tcp_output() from tcp_ack(_now)())
492
493 2010-01-08: Simon Goldschmidt
494 * sockets.c: Fixed bug #28519 (lwip_recvfrom bug with len > 65535)
495
496 2010-01-08: Simon Goldschmidt
497 * dns.c: Copy hostname for DNS_LOCAL_HOSTLIST_IS_DYNAMIC==1 since string
498 passed to dns_local_addhost() might be volatile
499
500 2010-01-07: Simon Goldschmidt
501 * timers.c, tcp.h: Call tcp_timer_needed() with NO_SYS==1, too
502
503 2010-01-06: Simon Goldschmidt
504 * netdb.h: Fixed bug #28496: missing include guards in netdb.h
505
506 2009-12-31: Simon Goldschmidt
507 * many ppp files: Reorganised PPP source code from ucip structure to pppd
508 structure to easily compare our code against the pppd code (around v2.3.1)
509
510 2009-12-27: Simon Goldschmidt
511 * tcp_in.c: Another fix for bug #28241 (ooseq processing) and adapted
512 unit test
513
514
515 (STABLE-1.3.2)
516
517 ++ New features:
518
519 2009-10-27 Simon Goldschmidt/Stephan Lesage
520 * netifapi.c/.h: Added netifapi_netif_set_addr()
521
522 2009-10-07 Simon Goldschmidt/Fabian Koch
523 * api_msg.c, netbuf.c/.h, opt.h: patch #6888: Patch for UDP Netbufs to
524 support dest-addr and dest-port (optional: LWIP_NETBUF_RECVINFO)
525
526 2009-08-26 Simon Goldschmidt/Simon Kallweit
527 * slipif.c/.h: bug #26397: SLIP polling support
528
529 2009-08-25 Simon Goldschmidt
530 * opt.h, etharp.h/.c: task #9033: Support IEEE 802.1q tagged frame (VLAN),
531 New configuration options ETHARP_SUPPORT_VLAN and ETHARP_VLAN_CHECK.
532
533 2009-08-25 Simon Goldschmidt
534 * ip_addr.h, netdb.c: patch #6900: added define ip_ntoa(struct ip_addr*)
535
536 2009-08-24 Jakob Stoklund Olesen
537 * autoip.c, dhcp.c, netif.c: patch #6725: Teach AutoIP and DHCP to respond
538 to netif_set_link_up().
539
540 2009-08-23 Simon Goldschmidt
541 * tcp.h/.c: Added function tcp_debug_state_str() to convert a tcp state
542 to a human-readable string.
543
544 ++ Bugfixes:
545
546 2009-12-24: Kieran Mansley
547 * tcp_in.c Apply patches from Oleg Tyshev to improve OOS processing
548 (BUG#28241)
549
550 2009-12-06: Simon Goldschmidt
551 * ppp.h/.c: Fixed bug #27079 (Yet another leak in PPP): outpacket_buf can
552 be statically allocated (like in ucip)
553
554 2009-12-04: Simon Goldschmidt (patch by Ioardan Neshev)
555 * pap.c: patch #6969: PPP: missing PAP authentication UNTIMEOUT
556
557 2009-12-03: Simon Goldschmidt
558 * tcp.h, tcp_in.c, tcp_out.c: Fixed bug #28106: dup ack for fast retransmit
559 could have non-zero length
560
561 2009-12-02: Simon Goldschmidt
562 * tcp_in.c: Fixed bug #27904: TCP sends too many ACKs: delay resetting
563 tcp_input_pcb until after calling the pcb's callbacks
564
565 2009-11-29: Simon Goldschmidt
566 * tcp_in.c: Fixed bug #28054: Two segments with FIN flag on the out-of-
567 sequence queue, also fixed PBUF_POOL leak in the out-of-sequence code
568
569 2009-11-29: Simon Goldschmidt
570 * pbuf.c: Fixed bug #28064: pbuf_alloc(PBUF_POOL) is not thread-safe by
571 queueing a call into tcpip_thread to free ooseq-bufs if the pool is empty
572
573 2009-11-26: Simon Goldschmidt
574 * tcp.h: Fixed bug #28098: Nagle can prevent fast retransmit from sending
575 segment
576
577 2009-11-26: Simon Goldschmidt
578 * tcp.h, sockets.c: Fixed bug #28099: API required to disable Nagle
579 algorithm at PCB level
580
581 2009-11-22: Simon Goldschmidt
582 * tcp_out.c: Fixed bug #27905: FIN isn't combined with data on unsent
583
584 2009-11-22: Simon Goldschmidt (suggested by Bill Auerbach)
585 * tcp.c: tcp_alloc: prevent increasing stats.err for MEMP_TCP_PCB when
586 reusing time-wait pcb
587
588 2009-11-20: Simon Goldschmidt (patch by Albert Bartel)
589 * sockets.c: Fixed bug #28062: Data received directly after accepting
590 does not wake up select
591
592 2009-11-11: Simon Goldschmidt
593 * netdb.h: Fixed bug #27994: incorrect define for freeaddrinfo(addrinfo)
594
595 2009-10-30: Simon Goldschmidt
596 * opt.h: Increased default value for TCP_MSS to 536, updated default
597 value for TCP_WND to 4*TCP_MSS to keep delayed ACK working.
598
599 2009-10-28: Kieran Mansley
600 * tcp_in.c, tcp_out.c, tcp.h: re-work the fast retransmission code
601 to follow algorithm from TCP/IP Illustrated
602
603 2009-10-27: Kieran Mansley
604 * tcp_in.c: fix BUG#27445: grow cwnd with every duplicate ACK
605
606 2009-10-25: Simon Goldschmidt
607 * tcp.h: bug-fix in the TCP_EVENT_RECV macro (has to call tcp_recved if
608 pcb->recv is NULL to keep rcv_wnd correct)
609
610 2009-10-25: Simon Goldschmidt
611 * tcp_in.c: Fixed bug #26251: RST process in TIME_WAIT TCP state
612
613 2009-10-23: Simon Goldschmidt (David Empson)
614 * tcp.c: Fixed bug #27783: Silly window avoidance for small window sizes
615
616 2009-10-21: Simon Goldschmidt
617 * tcp_in.c: Fixed bug #27215: TCP sent() callback gives leading and
618 trailing 1 byte len (SYN/FIN)
619
620 2009-10-21: Simon Goldschmidt
621 * tcp_out.c: Fixed bug #27315: zero window probe and FIN
622
623 2009-10-19: Simon Goldschmidt
624 * dhcp.c/.h: Minor code simplification (don't store received pbuf, change
625 conditional code to assert where applicable), check pbuf length before
626 testing for valid reply
627
628 2009-10-19: Simon Goldschmidt
629 * dhcp.c: Removed most calls to udp_connect since they aren't necessary
630 when using udp_sendto_if() - always stay connected to IP_ADDR_ANY.
631
632 2009-10-16: Simon Goldschmidt
633 * ip.c: Fixed bug #27390: Source IP check in ip_input() causes it to drop
634 valid DHCP packets -> allow 0.0.0.0 as source address when LWIP_DHCP is
635 enabled
636
637 2009-10-15: Simon Goldschmidt (Oleg Tyshev)
638 * tcp_in.c: Fixed bug #27329: dupacks by unidirectional data transmit
639
640 2009-10-15: Simon Goldschmidt
641 * api_lib.c: Fixed bug #27709: conn->err race condition on netconn_recv()
642 timeout
643
644 2009-10-15: Simon Goldschmidt
645 * autoip.c: Fixed bug #27704: autoip starts with wrong address
646 LWIP_AUTOIP_CREATE_SEED_ADDR() returned address in host byte order instead
647 of network byte order
648
649 2009-10-11 Simon Goldschmidt (Jörg Kesten)
650 * tcp_out.c: Fixed bug #27504: tcp_enqueue wrongly concatenates segments
651 which are not consecutive when retransmitting unacked segments
652
653 2009-10-09 Simon Goldschmidt
654 * opt.h: Fixed default values of some stats to only be enabled if used
655 Fixes bug #27338: sys_stats is defined when NO_SYS = 1
656
657 2009-08-30 Simon Goldschmidt
658 * ip.c: Fixed bug bug #27345: "ip_frag() does not use the LWIP_NETIF_LOOPBACK
659 function" by checking for loopback before calling ip_frag
660
661 2009-08-25 Simon Goldschmidt
662 * dhcp.c: fixed invalid dependency to etharp_query if DHCP_DOES_ARP_CHECK==0
663
664 2009-08-23 Simon Goldschmidt
665 * ppp.c: bug #27078: Possible memory leak in pppInit()
666
667 2009-08-23 Simon Goldschmidt
668 * netdb.c, dns.c: bug #26657: DNS, if host name is "localhost", result
669 is error.
670
671 2009-08-23 Simon Goldschmidt
672 * opt.h, init.c: bug #26649: TCP fails when TCP_MSS > TCP_SND_BUF
673 Fixed wrong parenthesis, added check in init.c
674
675 2009-08-23 Simon Goldschmidt
676 * ppp.c: bug #27266: wait-state debug message in pppMain occurs every ms
677
678 2009-08-23 Simon Goldschmidt
679 * many ppp files: bug #27267: Added include to string.h where needed
680
681 2009-08-23 Simon Goldschmidt
682 * tcp.h: patch #6843: tcp.h macro optimization patch (for little endian)
683
684
685 (STABLE-1.3.1)
686
687 ++ New features:
688
689 2009-05-10 Simon Goldschmidt
690 * opt.h, sockets.c, pbuf.c, netbuf.h, pbuf.h: task #7013: Added option
691 LWIP_NETIF_TX_SINGLE_PBUF to try to create transmit packets from only
692 one pbuf to help MACs that don't support scatter-gather DMA.
693
694 2009-05-09 Simon Goldschmidt
695 * icmp.h, icmp.c: Shrinked ICMP code, added option to NOT check icoming
696 ECHO pbuf for size (just use it): LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN
697
698 2009-05-05 Simon Goldschmidt, Jakob Stoklund Olesen
699 * ip.h, ip.c: Added ip_current_netif() & ip_current_header() to receive
700 extended info about the currently received packet.
701
702 2009-04-27 Simon Goldschmidt
703 * sys.h: Made SYS_LIGHTWEIGHT_PROT and sys_now() work with NO_SYS=1
704
705 2009-04-25 Simon Goldschmidt
706 * mem.c, opt.h: Added option MEM_USE_POOLS_TRY_BIGGER_POOL to try the next
707 bigger malloc pool if one is empty (only usable with MEM_USE_POOLS).
708
709 2009-04-21 Simon Goldschmidt
710 * dns.c, init.c, dns.h, opt.h: task #7507, patch #6786: DNS supports static
711 hosts table. New configuration options DNS_LOCAL_HOSTLIST and
712 DNS_LOCAL_HOSTLIST_IS_DYNAMIC. Also, DNS_LOOKUP_LOCAL_EXTERN() can be defined
713 as an external function for lookup.
714
715 2009-04-15 Simon Goldschmidt
716 * dhcp.c: patch #6763: Global DHCP XID can be redefined to something more unique
717
718 2009-03-31 Kieran Mansley
719 * tcp.c, tcp_out.c, tcp_in.c, sys.h, tcp.h, opts.h: add support for
720 TCP timestamp options, off by default. Rework tcp_enqueue() to
721 take option flags rather than specified option data
722
723 2009-02-18 Simon Goldschmidt
724 * cc.h: Added printf formatter for size_t: SZT_F
725
726 2009-02-16 Simon Goldschmidt (patch by Rishi Khan)
727 * icmp.c, opt.h: patch #6539: (configurable) response to broadcast- and multicast
728 pings
729
730 2009-02-12 Simon Goldschmidt
731 * init.h: Added LWIP_VERSION to get the current version of the stack
732
733 2009-02-11 Simon Goldschmidt (suggested by Gottfried Spitaler)
734 * opt.h, memp.h/.c: added MEMP_MEM_MALLOC to use mem_malloc/mem_free instead
735 of the pool allocator (can save code size with MEM_LIBC_MALLOC if libc-malloc
736 is otherwise used)
737
738 2009-01-28 Jonathan Larmour (suggested by Bill Bauerbach)
739 * ipv4/inet_chksum.c, ipv4/lwip/inet_chksum.h: inet_chksum_pseudo_partial()
740 is only used by UDPLITE at present, so conditionalise it.
741
742 2008-12-03 Simon Goldschmidt (base on patch from Luca Ceresoli)
743 * autoip.c: checked in (slightly modified) patch #6683: Customizable AUTOIP
744 "seed" address. This should reduce AUTOIP conflicts if
745 LWIP_AUTOIP_CREATE_SEED_ADDR is overridden.
746
747 2008-10-02 Jonathan Larmour and Rishi Khan
748 * sockets.c (lwip_accept): Return EWOULDBLOCK if would block on non-blocking
749 socket.
750
751 2008-06-30 Simon Goldschmidt
752 * mem.c, opt.h, stats.h: fixed bug #21433: Calling mem_free/pbuf_free from
753 interrupt context isn't safe: LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT allows
754 mem_free to run between mem_malloc iterations. Added illegal counter for
755 mem stats.
756
757 2008-06-27 Simon Goldschmidt
758 * stats.h/.c, some other files: patch #6483: stats module improvement:
759 Added defines to display each module's statistic individually, added stats
760 defines for MEM, MEMP and SYS modules, removed (unused) rexmit counter.
761
762 2008-06-17 Simon Goldschmidt
763 * err.h: patch #6459: Made err_t overridable to use a more efficient type
764 (define LWIP_ERR_T in cc.h)
765
766 2008-06-17 Simon Goldschmidt
767 * slipif.c: patch #6480: Added a configuration option for slipif for symmetry
768 to loopif
769
770 2008-06-17 Simon Goldschmidt (patch by Luca Ceresoli)
771 * netif.c, loopif.c, ip.c, netif.h, loopif.h, opt.h: Checked in slightly
772 modified version of patch # 6370: Moved loopif code to netif.c so that
773 loopback traffic is supported on all netifs (all local IPs).
774 Added option to limit loopback packets for each netifs.
775
776
777 ++ Bugfixes:
778 2009-08-12 Kieran Mansley
779 * tcp_in.c, tcp.c: Fix bug #27209: handle trimming of segments when
780 out of window or out of order properly
781
782 2009-08-12 Kieran Mansley
783 * tcp_in.c: Fix bug #27199: use snd_wl2 instead of snd_wl1
784
785 2009-07-28 Simon Goldschmidt
786 * mem.h: Fixed bug #27105: "realloc() cannot replace mem_realloc()"s
787
788 2009-07-27 Kieran Mansley
789 * api.h api_msg.h netdb.h sockets.h: add missing #include directives
790
791 2009-07-09 Kieran Mansley
792 * api_msg.c, sockets.c, api.h: BUG23240 use signed counters for
793 recv_avail and don't increment counters until message successfully
794 sent to mbox
795
796 2009-06-25 Kieran Mansley
797 * api_msg.c api.h: BUG26722: initialise netconn write variables
798 in netconn_alloc
799
800 2009-06-25 Kieran Mansley
801 * tcp.h: BUG26879: set ret value in TCP_EVENT macros when function is not set
802
803 2009-06-25 Kieran Mansley
804 * tcp.c, tcp_in.c, tcp_out.c, tcp.h: BUG26301 and BUG26267: correct
805 simultaneous close behaviour, and make snd_nxt have the same meaning
806 as in the RFCs.
807
808 2009-05-12 Simon Goldschmidt
809 * etharp.h, etharp.c, netif.c: fixed bug #26507: "Gratuitous ARP depends on
810 arp_table / uses etharp_query" by adding etharp_gratuitous()
811
812 2009-05-12 Simon Goldschmidt
813 * ip.h, ip.c, igmp.c: bug #26487: Added ip_output_if_opt that can add IP options
814 to the IP header (used by igmp_ip_output_if)
815
816 2009-05-06 Simon Goldschmidt
817 * inet_chksum.c: On little endian architectures, use LWIP_PLATFORM_HTONS (if
818 defined) for SWAP_BYTES_IN_WORD to speed up checksumming.
819
820 2009-05-05 Simon Goldschmidt
821 * sockets.c: bug #26405: Prematurely released semaphore causes lwip_select()
822 to crash
823
824 2009-05-04 Simon Goldschmidt
825 * init.c: snmp was not initialized in lwip_init()
826
827 2009-05-04 Frédéric Bernon
828 * dhcp.c, netbios.c: Changes if IP_SOF_BROADCAST is enabled.
829
830 2009-05-03 Simon Goldschmidt
831 * tcp.h: bug #26349: Nagle algorithm doesn't send although segment is full
832 (and unsent->next == NULL)
833
834 2009-05-02 Simon Goldschmidt
835 * tcpip.h, tcpip.c: fixed tcpip_untimeout (does not need the time, broken after
836 1.3.0 in CVS only) - fixes compilation of ppp_oe.c
837
838 2009-05-02 Simon Goldschmidt
839 * msg_in.c: fixed bug #25636: SNMPSET value is ignored for integer fields
840
841 2009-05-01 Simon Goldschmidt
842 * pap.c: bug #21680: PPP upap_rauthnak() drops legal NAK packets
843
844 2009-05-01 Simon Goldschmidt
845 * ppp.c: bug #24228: Memory corruption with PPP and DHCP
846
847 2009-04-29 Frédéric Bernon
848 * raw.c, udp.c, init.c, opt.h, ip.h, sockets.h: bug #26309: Implement the
849 SO(F)_BROADCAST filter for all API layers. Avoid the unindented reception
850 of broadcast packets even when this option wasn't set. Port maintainers
851 which want to enable this filter have to set IP_SOF_BROADCAST=1 in opt.h.
852 If you want this option also filter broadcast on recv operations, you also
853 have to set IP_SOF_BROADCAST_RECV=1 in opt.h.
854
855 2009-04-28 Simon Goldschmidt, Jakob Stoklund Olesen
856 * dhcp.c: patch #6721, bugs #25575, #25576: Some small fixes to DHCP and
857 DHCP/AUTOIP cooperation
858
859 2009-04-25 Simon Goldschmidt, Oleg Tyshev
860 * tcp_out.c: bug #24212: Deadlocked tcp_retransmit due to exceeded pcb->cwnd
861 Fixed by sorting the unsent and unacked queues (segments are inserted at the
862 right place in tcp_output and tcp_rexmit).
863
864 2009-04-25 Simon Goldschmidt
865 * memp.c, mem.c, memp.h, mem_std.h: bug #26213 "Problem with memory allocation
866 when debugging": memp_sizes contained the wrong sizes (including sanity
867 regions); memp pools for MEM_USE_POOLS were too small
868
869 2009-04-24 Simon Goldschmidt, Frédéric Bernon
870 * inet.c: patch #6765: Fix a small problem with the last changes (incorrect
871 behavior, with with ip address string not ended by a '\0', a space or a
872 end of line)
873
874 2009-04-19 Simon Goldschmidt
875 * rawapi.txt: Fixed bug #26069: Corrected documentation: if tcp_connect fails,
876 pcb->err is called, not pcb->connected (with an error code).
877
878 2009-04-19 Simon Goldschmidt
879 * tcp_out.c: Fixed bug #26236: "TCP options (timestamp) don't work with
880 no-copy-tcpwrite": deallocate option data, only concat segments with same flags
881
882 2009-04-19 Simon Goldschmidt
883 * tcp_out.c: Fixed bug #25094: "Zero-length pbuf" (options are now allocated
884 in the header pbuf, not the data pbuf)
885
886 2009-04-18 Simon Goldschmidt
887 * api_msg.c: fixed bug #25695: Segmentation fault in do_writemore()
888
889 2009-04-15 Simon Goldschmidt
890 * sockets.c: tried to fix bug #23559: lwip_recvfrom problem with tcp
891
892 2009-04-15 Simon Goldschmidt
893 * dhcp.c: task #9192: mem_free of dhcp->options_in and dhcp->msg_in
894
895 2009-04-15 Simon Goldschmidt
896 * ip.c, ip6.c, tcp_out.c, ip.h: patch #6808: Add a utility function
897 ip_hinted_output() (for smaller code mainly)
898
899 2009-04-15 Simon Goldschmidt
900 * inet.c: patch #6765: Supporting new line characters in inet_aton()
901
902 2009-04-15 Simon Goldschmidt
903 * dhcp.c: patch #6764: DHCP rebind and renew did not send hostnam option;
904 Converted constant OPTION_MAX_MSG_SIZE to netif->mtu, check if netif->mtu
905 is big enough in dhcp_start
906
907 2009-04-15 Simon Goldschmidt
908 * netbuf.c: bug #26027: netbuf_chain resulted in pbuf memory leak
909
910 2009-04-15 Simon Goldschmidt
911 * sockets.c, ppp.c: bug #25763: corrected 4 occurrences of SMEMCPY to MEMCPY
912
913 2009-04-15 Simon Goldschmidt
914 * sockets.c: bug #26121: set_errno can be overridden
915
916 2009-04-09 Kieran Mansley (patch from Luca Ceresoli <lucaceresoli>)
917 * init.c, opt.h: Patch#6774 TCP_QUEUE_OOSEQ breaks compilation when
918 LWIP_TCP==0
919
920 2009-04-09 Kieran Mansley (patch from Roy Lee <roylee17>)
921 * tcp.h: Patch#6802 Add do-while-clauses to those function like
922 macros in tcp.h
923
924 2009-03-31 Kieran Mansley
925 * tcp.c, tcp_in.c, tcp_out.c, tcp.h, opt.h: Rework the way window
926 updates are calculated and sent (BUG20515)
927
928 * tcp_in.c: cope with SYN packets received during established states,
929 and retransmission of initial SYN.
930
931 * tcp_out.c: set push bit correctly when tcp segments are merged
932
933 2009-03-27 Kieran Mansley
934 * tcp_out.c set window correctly on probes (correcting change made
935 yesterday)
936
937 2009-03-26 Kieran Mansley
938 * tcp.c, tcp_in.c, tcp.h: add tcp_abandon() to cope with dropping
939 connections where no reset required (bug #25622)
940
941 * tcp_out.c: set TCP_ACK flag on keepalive and zero window probes
942 (bug #20779)
943
944 2009-02-18 Simon Goldschmidt (Jonathan Larmour and Bill Auerbach)
945 * ip_frag.c: patch #6528: the buffer used for IP_FRAG_USES_STATIC_BUF could be
946 too small depending on MEM_ALIGNMENT
947
948 2009-02-16 Simon Goldschmidt
949 * sockets.h/.c, api_*.h/.c: fixed arguments of socket functions to match the standard;
950 converted size argument of netconn_write to 'size_t'
951
952 2009-02-16 Simon Goldschmidt
953 * tcp.h, tcp.c: fixed bug #24440: TCP connection close problem on 64-bit host
954 by moving accept callback function pointer to TCP_PCB_COMMON
955
956 2009-02-12 Simon Goldschmidt
957 * dhcp.c: fixed bug #25345 (DHCPDECLINE is sent with "Maximum message size"
958 option)
959
960 2009-02-11 Simon Goldschmidt
961 * dhcp.c: fixed bug #24480 (releasing old udp_pdb and pbuf in dhcp_start)
962
963 2009-02-11 Simon Goldschmidt
964 * opt.h, api_msg.c: added configurable default valud for netconn->recv_bufsize:
965 RECV_BUFSIZE_DEFAULT (fixes bug #23726: pbuf pool exhaustion on slow recv())
966
967 2009-02-10 Simon Goldschmidt
968 * tcp.c: fixed bug #25467: Listen backlog is not reset on timeout in SYN_RCVD:
969 Accepts_pending is decrease on a corresponding listen pcb when a connection
970 in state SYN_RCVD is close.
971
972 2009-01-28 Jonathan Larmour
973 * pbuf.c: reclaim pbufs from TCP out-of-sequence segments if we run
974 out of pool pbufs.
975
976 2008-12-19 Simon Goldschmidt
977 * many files: patch #6699: fixed some warnings on platform where sizeof(int) == 2
978
979 2008-12-10 Tamas Somogyi, Frédéric Bernon
980 * sockets.c: fixed bug #25051: lwip_recvfrom problem with udp: fromaddr and
981 port uses deleted netbuf.
982
983 2008-10-18 Simon Goldschmidt
984 * tcp_in.c: fixed bug ##24596: Vulnerability on faulty TCP options length
985 in tcp_parseopt
986
987 2008-10-15 Simon Goldschmidt
988 * ip_frag.c: fixed bug #24517: IP reassembly crashes on unaligned IP headers
989 by packing the struct ip_reass_helper.
990
991 2008-10-03 David Woodhouse, Jonathan Larmour
992 * etharp.c (etharp_arp_input): Fix type aliasing problem copying ip address.
993
994 2008-10-02 Jonathan Larmour
995 * dns.c: Hard-code structure sizes, to avoid issues on some compilers where
996 padding is included.
997
998 2008-09-30 Jonathan Larmour
999 * sockets.c (lwip_accept): check addr isn't NULL. If it's valid, do an
1000 assertion check that addrlen isn't NULL.
1001
1002 2008-09-30 Jonathan Larmour
1003 * tcp.c: Fix bug #24227, wrong error message in tcp_bind.
1004
1005 2008-08-26 Simon Goldschmidt
1006 * inet.h, ip_addr.h: fixed bug #24132: Cross-dependency between ip_addr.h and
1007 inet.h -> moved declaration of struct in_addr from ip_addr.h to inet.h
1008
1009 2008-08-14 Simon Goldschmidt
1010 * api_msg.c: fixed bug #23847: do_close_internal references freed memory (when
1011 tcp_close returns != ERR_OK)
1012
1013 2008-07-08 Frédéric Bernon
1014 * stats.h: Fix some build bugs introduced with patch #6483 (missing some parameters
1015 in macros, mainly if MEM_STATS=0 and MEMP_STATS=0).
1016
1017 2008-06-24 Jonathan Larmour
1018 * tcp_in.c: Fix for bug #23693 as suggested by Art R. Ensure cseg is unused
1019 if tcp_seg_copy fails.
1020
1021 2008-06-17 Simon Goldschmidt
1022 * inet_chksum.c: Checked in some ideas of patch #6460 (loop optimizations)
1023 and created defines for swapping bytes and folding u32 to u16.
1024
1025 2008-05-30 Kieran Mansley
1026 * tcp_in.c Remove redundant "if" statement, and use real rcv_wnd
1027 rather than rcv_ann_wnd when deciding if packets are in-window.
1028 Contributed by <arasmussen@consultant.datasys.swri.edu>
1029
1030 2008-05-30 Kieran Mansley
1031 * mem.h: Fix BUG#23254. Change macro definition of mem_* to allow
1032 passing as function pointers when MEM_LIBC_MALLOC is defined.
1033
1034 2008-05-09 Jonathan Larmour
1035 * err.h, err.c, sockets.c: Fix bug #23119: Reorder timeout error code to
1036 stop it being treated as a fatal error.
1037
1038 2008-04-15 Simon Goldschmidt
1039 * dhcp.c: fixed bug #22804: dhcp_stop doesn't clear NETIF_FLAG_DHCP
1040 (flag now cleared)
1041
1042 2008-03-27 Simon Goldschmidt
1043 * mem.c, tcpip.c, tcpip.h, opt.h: fixed bug #21433 (Calling mem_free/pbuf_free
1044 from interrupt context isn't safe): set LWIP_USE_HEAP_FROM_INTERRUPT to 1
1045 in lwipopts.h or use pbuf_free_callback(p)/mem_free_callback(m) to free pbufs
1046 or heap memory from interrupt context
1047
1048 2008-03-26 Simon Goldschmidt
1049 * tcp_in.c, tcp.c: fixed bug #22249: division by zero could occur if a remote
1050 host sent a zero mss as TCP option.
1051
1052
1053 (STABLE-1.3.0)
1054
1055 ++ New features:
1056
1057 2008-03-10 Jonathan Larmour
1058 * inet_chksum.c: Allow choice of one of the sample algorithms to be
1059 made from lwipopts.h. Fix comment on how to override LWIP_CHKSUM.
1060
1061 2008-01-22 Frédéric Bernon
1062 * tcp.c, tcp_in.c, tcp.h, opt.h: Rename LWIP_CALCULATE_EFF_SEND_MSS in
1063 TCP_CALCULATE_EFF_SEND_MSS to have coherent TCP options names.
1064
1065 2008-01-14 Frédéric Bernon
1066 * rawapi.txt, api_msg.c, tcp.c, tcp_in.c, tcp.h: changes for task #7675 "Enable
1067 to refuse data on a TCP_EVENT_RECV call". Important, behavior changes for the
1068 tcp_recv callback (see rawapi.txt).
1069
1070 2008-01-14 Frédéric Bernon, Marc Chaland
1071 * ip.c: Integrate patch #6369" ip_input : checking before realloc".
1072
1073 2008-01-12 Frédéric Bernon
1074 * tcpip.h, tcpip.c, api.h, api_lib.c, api_msg.c, sockets.c: replace the field
1075 netconn::sem per netconn::op_completed like suggested for the task #7490
1076 "Add return value to sys_mbox_post".
1077
1078 2008-01-12 Frédéric Bernon
1079 * api_msg.c, opt.h: replace DEFAULT_RECVMBOX_SIZE per DEFAULT_TCP_RECVMBOX_SIZE,
1080 DEFAULT_UDP_RECVMBOX_SIZE and DEFAULT_RAW_RECVMBOX_SIZE (to optimize queues
1081 sizes), like suggested for the task #7490 "Add return value to sys_mbox_post".
1082
1083 2008-01-10 Frédéric Bernon
1084 * tcpip.h, tcpip.c: add tcpip_callback_with_block function for the task #7490
1085 "Add return value to sys_mbox_post". tcpip_callback is always defined as
1086 "blocking" ("block" parameter = 1).
1087
1088 2008-01-10 Frédéric Bernon
1089 * tcpip.h, tcpip.c, api.h, api_lib.c, api_msg.c, sockets.c: replace the field
1090 netconn::mbox (sys_mbox_t) per netconn::sem (sys_sem_t) for the task #7490
1091 "Add return value to sys_mbox_post".
1092
1093 2008-01-05 Frédéric Bernon
1094 * sys_arch.txt, api.h, api_lib.c, api_msg.h, api_msg.c, tcpip.c, sys.h, opt.h:
1095 Introduce changes for task #7490 "Add return value to sys_mbox_post" with some
1096 modifications in the sys_mbox api: sys_mbox_new take a "size" parameters which
1097 indicate the number of pointers query by the mailbox. There is three defines
1098 in opt.h to indicate sizes for tcpip::mbox, netconn::recvmbox, and for the
1099 netconn::acceptmbox. Port maintainers, you can decide to just add this new
1100 parameter in your implementation, but to ignore it to keep the previous behavior.
1101 The new sys_mbox_trypost function return a value to know if the mailbox is
1102 full or if the message is posted. Take a look to sys_arch.txt for more details.
1103 This new function is used in tcpip_input (so, can be called in an interrupt
1104 context since the function is not blocking), and in recv_udp and recv_raw.
1105
1106 2008-01-04 Frédéric Bernon, Simon Goldschmidt, Jonathan Larmour
1107 * rawapi.txt, api.h, api_lib.c, api_msg.h, api_msg.c, sockets.c, tcp.h, tcp.c,
1108 tcp_in.c, init.c, opt.h: rename backlog options with TCP_ prefix, limit the
1109 "backlog" parameter in an u8_t, 0 is interpreted as "smallest queue", add
1110 documentation in the rawapi.txt file.
1111
1112 2007-12-31 Kieran Mansley (based on patch from Per-Henrik Lundbolm)
1113 * tcp.c, tcp_in.c, tcp_out.c, tcp.h: Add TCP persist timer
1114
1115 2007-12-31 Frédéric Bernon, Luca Ceresoli
1116 * autoip.c, etharp.c: ip_addr.h: Integrate patch #6348: "Broadcast ARP packets
1117 in autoip". The change in etharp_raw could be removed, since all calls to
1118 etharp_raw use ethbroadcast for the "ethdst_addr" parameter. But it could be
1119 wrong in the future.
1120
1121 2007-12-30 Frédéric Bernon, Tom Evans
1122 * ip.c: Fix bug #21846 "LwIP doesn't appear to perform any IP Source Address
1123 Filtering" reported by Tom Evans.
1124
1125 2007-12-21 Frédéric Bernon, Simon Goldschmidt, Jonathan Larmour
1126 * tcp.h, opt.h, api.h, api_msg.h, tcp.c, tcp_in.c, api_lib.c, api_msg.c,
1127 sockets.c, init.c: task #7252: Implement TCP listen backlog: Warning: raw API
1128 applications have to call 'tcp_accepted(pcb)' in their accept callback to
1129 keep accepting new connections.
1130
1131 2007-12-13 Frédéric Bernon
1132 * api_msg.c, err.h, err.c, sockets.c, dns.c, dns.h: replace "enum dns_result"
1133 by err_t type. Add a new err_t code "ERR_INPROGRESS".
1134
1135 2007-12-12 Frédéric Bernon
1136 * dns.h, dns.c, opt.h: move DNS options to the "right" place. Most visibles
1137 are the one which have ram usage.
1138
1139 2007-12-05 Frédéric Bernon
1140 * netdb.c: add a LWIP_DNS_API_HOSTENT_STORAGE option to decide to use a static
1141 set of variables (=0) or a local one (=1). In this last case, your port should
1142 provide a function "struct hostent* sys_thread_hostent( struct hostent* h)"
1143 which have to do a copy of "h" and return a pointer ont the "per-thread" copy.
1144
1145 2007-12-03 Simon Goldschmidt
1146 * ip.c: ip_input: check if a packet is for inp first before checking all other
1147 netifs on netif_list (speeds up packet receiving in most cases)
1148
1149 2007-11-30 Simon Goldschmidt
1150 * udp.c, raw.c: task #7497: Sort lists (pcb, netif, ...) for faster access
1151 UDP: move a (connected) pcb selected for input to the front of the list of
1152 pcbs so that it is found faster next time. Same for RAW pcbs that have eaten
1153 a packet.
1154
1155 2007-11-28 Simon Goldschmidt
1156 * etharp.c, stats.c, stats.h, opt.h: Introduced ETHARP_STATS
1157
1158 2007-11-25 Simon Goldschmidt
1159 * dhcp.c: dhcp_unfold_reply() uses pbuf_copy_partial instead of its own copy
1160 algorithm.
1161
1162 2007-11-24 Simon Goldschmidt
1163 * netdb.h, netdb.c, sockets.h/.c: Moved lwip_gethostbyname from sockets.c
1164 to the new file netdb.c; included lwip_getaddrinfo.
1165
1166 2007-11-21 Simon Goldschmidt
1167 * tcp.h, opt.h, tcp.c, tcp_in.c: implemented calculating the effective send-mss
1168 based on the MTU of the netif used to send. Enabled by default. Disable by
1169 setting LWIP_CALCULATE_EFF_SEND_MSS to 0. This fixes bug #21492.
1170
1171 2007-11-19 Frédéric Bernon
1172 * api_msg.c, dns.h, dns.c: Implement DNS_DOES_NAME_CHECK option (check if name
1173 received match the name query), implement DNS_USES_STATIC_BUF (the place where
1174 copy dns payload to parse the response), return an error if there is no place
1175 for a new query, and fix some minor problems.
1176
1177 2007-11-16 Simon Goldschmidt
1178 * new files: ipv4/inet.c, ipv4/inet_chksum.c, ipv6/inet6.c
1179 removed files: core/inet.c, core/inet6.c
1180 Moved inet files into ipv4/ipv6 directory; splitted inet.c/inet.h into
1181 inet and chksum part; changed includes in all lwIP files as appropriate
1182
1183 2007-11-16 Simon Goldschmidt
1184 * api.h, api_msg.h, api_lib.c, api_msg.c, socket.h, socket.c: Added sequential
1185 dns resolver function for netconn api (netconn_gethostbyname) and socket api
1186 (gethostbyname/gethostbyname_r).
1187
1188 2007-11-15 Jim Pettinato, Frédéric Bernon
1189 * opt.h, init.c, tcpip.c, dhcp.c, dns.h, dns.c: add DNS client for simple name
1190 requests with RAW api interface. Initialization is done in lwip_init() with
1191 build time options. DNS timer is added in tcpip_thread context. DHCP can set
1192 DNS server ip addresses when options are received. You need to set LWIP_DNS=1
1193 in your lwipopts.h file (LWIP_DNS=0 in opt.h). DNS_DEBUG can be set to get
1194 some traces with LWIP_DEBUGF. Sanity check have been added. There is a "todo"
1195 list with points to improve.
1196
1197 2007-11-06 Simon Goldschmidt
1198 * opt.h, mib2.c: Patch #6215: added ifAdminStatus write support (if explicitly
1199 enabled by defining SNMP_SAFE_REQUESTS to 0); added code to check link status
1200 for ifOperStatus if LWIP_NETIF_LINK_CALLBACK is defined.
1201
1202 2007-11-06 Simon Goldschmidt
1203 * api.h, api_msg.h and dependent files: Task #7410: Removed the need to include
1204 core header files in api.h (ip/tcp/udp/raw.h) to hide the internal
1205 implementation from netconn api applications.
1206
1207 2007-11-03 Frédéric Bernon
1208 * api.h, api_lib.c, api_msg.c, sockets.c, opt.h: add SO_RCVBUF option for UDP &
1209 RAW netconn. You need to set LWIP_SO_RCVBUF=1 in your lwipopts.h (it's disabled
1210 by default). Netconn API users can use the netconn_recv_bufsize macro to access
1211 it. This is a first release which have to be improve for TCP. Note it used the
1212 netconn::recv_avail which need to be more "thread-safe" (note there is already
1213 the problem for FIONREAD with lwip_ioctl/ioctlsocket).
1214
1215 2007-11-01 Frédéric Bernon, Marc Chaland
1216 * sockets.h, sockets.c, api.h, api_lib.c, api_msg.h, api_msg.c, tcp.h, tcp_out.c:
1217 Integrate "patch #6250 : MSG_MORE flag for send". MSG_MORE is used at socket api
1218 layer, NETCONN_MORE at netconn api layer, and TCP_WRITE_FLAG_MORE at raw api
1219 layer. This option enable to delayed TCP PUSH flag on multiple "write" calls.
1220 Note that previous "copy" parameter for "write" APIs is now called "apiflags".
1221
1222 2007-10-24 Frédéric Bernon
1223 * api.h, api_lib.c, api_msg.c: Add macro API_EVENT in the same spirit than
1224 TCP_EVENT_xxx macros to get a code more readable. It could also help to remove
1225 some code (like we have talk in "patch #5919 : Create compile switch to remove
1226 select code"), but it could be done later.
1227
1228 2007-10-08 Simon Goldschmidt
1229 * many files: Changed initialization: many init functions are not needed any
1230 more since we now rely on the compiler initializing global and static
1231 variables to zero!
1232
1233 2007-10-06 Simon Goldschmidt
1234 * ip_frag.c, memp.c, mib2.c, ip_frag.h, memp_std.h, opt.h: Changed IP_REASSEMBLY
1235 to enqueue the received pbufs so that multiple packets can be reassembled
1236 simultaneously and no static reassembly buffer is needed.
1237
1238 2007-10-05 Simon Goldschmidt
1239 * tcpip.c, etharp.h, etharp.c: moved ethernet_input from tcpip.c to etharp.c so
1240 all netifs (or ports) can use it.
1241
1242 2007-10-05 Frédéric Bernon
1243 * netifapi.h, netifapi.c: add function netifapi_netif_set_default. Change the
1244 common function to reduce a little bit the footprint (for all functions using
1245 only the "netif" parameter).
1246
1247 2007-10-03 Frédéric Bernon
1248 * netifapi.h, netifapi.c: add functions netifapi_netif_set_up, netifapi_netif_set_down,
1249 netifapi_autoip_start and netifapi_autoip_stop. Use a common function to reduce
1250 a little bit the footprint (for all functions using only the "netif" parameter).
1251
1252 2007-09-15 Frédéric Bernon
1253 * udp.h, udp.c, sockets.c: Changes for "#20503 IGMP Improvement". Add IP_MULTICAST_IF
1254 option in socket API, and a new field "multicast_ip" in "struct udp_pcb" (for
1255 netconn and raw API users), only if LWIP_IGMP=1. Add getsockopt processing for
1256 IP_MULTICAST_TTL and IP_MULTICAST_IF.
1257
1258 2007-09-10 Frédéric Bernon
1259 * snmp.h, mib2.c: enable to remove SNMP timer (which consumne several cycles
1260 even when it's not necessary). snmp_agent.txt tell to call snmp_inc_sysuptime()
1261 each 10ms (but, it's intrusive if you use sys_timeout feature). Now, you can
1262 decide to call snmp_add_sysuptime(100) each 1000ms (which is bigger "step", but
1263 call to a lower frequency). Or, you can decide to not call snmp_inc_sysuptime()
1264 or snmp_add_sysuptime(), and to define the SNMP_GET_SYSUPTIME(sysuptime) macro.
1265 This one is undefined by default in mib2.c. SNMP_GET_SYSUPTIME is called inside
1266 snmp_get_sysuptime(u32_t *value), and enable to change "sysuptime" value only
1267 when it's queried (any direct call to "sysuptime" is changed by a call to
1268 snmp_get_sysuptime).
1269
1270 2007-09-09 Frédéric Bernon, Bill Florac
1271 * igmp.h, igmp.c, netif.h, netif.c, ip.c: To enable to have interfaces with IGMP,
1272 and others without it, there is a new NETIF_FLAG_IGMP flag to set in netif->flags
1273 if you want IGMP on an interface. igmp_stop() is now called inside netif_remove().
1274 igmp_report_groups() is now called inside netif_set_link_up() (need to have
1275 LWIP_NETIF_LINK_CALLBACK=1) to resend reports once the link is up (avoid to wait
1276 the next query message to receive the matching multicast streams).
1277
1278 2007-09-08 Frédéric Bernon
1279 * sockets.c, ip.h, api.h, tcp.h: declare a "struct ip_pcb" which only contains
1280 IP_PCB. Add in the netconn's "pcb" union a "struct ip_pcb *ip;" (no size change).
1281 Use this new field to access to common pcb fields (ttl, tos, so_options, etc...).
1282 Enable to access to these fields with LWIP_TCP=0.
1283
1284 2007-09-05 Frédéric Bernon
1285 * udp.c, ipv4/icmp.c, ipv4/ip.c, ipv6/icmp.c, ipv6/ip6.c, ipv4/icmp.h,
1286 ipv6/icmp.h, opt.h: Integrate "task #7272 : LWIP_ICMP option". The new option
1287 LWIP_ICMP enable/disable ICMP module inside the IP stack (enable per default).
1288 Be careful, disabling ICMP make your product non-compliant to RFC1122, but
1289 help to reduce footprint, and to reduce "visibility" on the Internet.
1290
1291 2007-09-05 Frédéric Bernon, Bill Florac
1292 * opt.h, sys.h, tcpip.c, slipif.c, ppp.c, sys_arch.txt: Change parameters list
1293 for sys_thread_new (see "task #7252 : Create sys_thread_new_ex()"). Two new
1294 parameters have to be provided: a task name, and a task stack size. For this
1295 one, since it's platform dependant, you could define the best one for you in
1296 your lwipopts.h. For port maintainers, you can just add these new parameters
1297 in your sys_arch.c file, and but it's not mandatory, use them in your OS
1298 specific functions.
1299
1300 2007-09-05 Frédéric Bernon
1301 * inet.c, autoip.c, msg_in.c, msg_out.c, init.c: Move some build time checkings
1302 inside init.c for task #7142 "Sanity check user-configurable values".
1303
1304 2007-09-04 Frédéric Bernon, Bill Florac
1305 * igmp.h, igmp.c, memp_std.h, memp.c, init.c, opt.h: Replace mem_malloc call by
1306 memp_malloc, and use a new MEMP_NUM_IGMP_GROUP option (see opt.h to define the
1307 value). It will avoid potential fragmentation problems, use a counter to know
1308 how many times a group is used on an netif, and free it when all applications
1309 leave it. MEMP_NUM_IGMP_GROUP got 8 as default value (and init.c got a sanity
1310 check if LWIP_IGMP!=0).
1311
1312 2007-09-03 Frédéric Bernon
1313 * igmp.h, igmp.c, sockets.c, api_msg.c: Changes for "#20503 IGMP Improvement".
1314 Initialize igmp_mac_filter to NULL in netif_add (this field should be set in
1315 the netif's "init" function). Use the "imr_interface" field (for socket layer)
1316 and/or the "interface" field (for netconn layer), for join/leave operations.
1317 The igmp_join/leavegroup first parameter change from a netif to an ipaddr.
1318 This field could be a netif's ipaddr, or "any" (same meaning than ip_addr_isany).
1319
1320 2007-08-30 Frédéric Bernon
1321 * Add netbuf.h, netbuf.c, Change api.h, api_lib.c: #7249 "Split netbuf functions
1322 from api/api_lib". Now netbuf API is independant of netconn, and can be used
1323 with other API (application based on raw API, or future "socket2" API). Ports
1324 maintainers just have to add src/api/netbuf.c in their makefile/projects.
1325
1326 2007-08-30 Frédéric Bernon, Jonathan Larmour
1327 * init.c: Add first version of lwip_sanity_check for task #7142 "Sanity check
1328 user-configurable values".
1329
1330 2007-08-29 Frédéric Bernon
1331 * igmp.h, igmp.c, tcpip.c, init.c, netif.c: change igmp_init and add igmp_start.
1332 igmp_start is call inside netif_add. Now, igmp initialization is in the same
1333 spirit than the others modules. Modify some IGMP debug traces.
1334
1335 2007-08-29 Frédéric Bernon
1336 * Add init.h, init.c, Change opt.h, tcpip.c: Task #7213 "Add a lwip_init function"
1337 Add lwip_init function to regroup all modules initializations, and to provide
1338 a place to add code for task #7142 "Sanity check user-configurable values".
1339 Ports maintainers should remove direct initializations calls from their code,
1340 and add init.c in their makefiles. Note that lwip_init() function is called
1341 inside tcpip_init, but can also be used by raw api users since all calls are
1342 disabled when matching options are disabled. Also note that their is new options
1343 in opt.h, you should configure in your lwipopts.h (they are enabled per default).
1344
1345 2007-08-26 Marc Boucher
1346 * api_msg.c: do_close_internal(): Reset the callbacks and arg (conn) to NULL
1347 since they can under certain circumstances be called with an invalid conn
1348 pointer after the connection has been closed (and conn has been freed).
1349
1350 2007-08-25 Frédéric Bernon (Artem Migaev's Patch)
1351 * netif.h, netif.c: Integrate "patch #6163 : Function to check if link layer is up".
1352 Add a netif_is_link_up() function if LWIP_NETIF_LINK_CALLBACK option is set.
1353
1354 2007-08-22 Frédéric Bernon
1355 * netif.h, netif.c, opt.h: Rename LWIP_NETIF_CALLBACK in LWIP_NETIF_STATUS_CALLBACK
1356 to be coherent with new LWIP_NETIF_LINK_CALLBACK option before next release.
1357
1358 2007-08-22 Frédéric Bernon
1359 * tcpip.h, tcpip.c, ethernetif.c, opt.h: remove options ETHARP_TCPIP_INPUT &
1360 ETHARP_TCPIP_ETHINPUT, now, only "ethinput" code is supported, even if the
1361 name is tcpip_input (we keep the name of 1.2.0 function).
1362
1363 2007-08-17 Jared Grubb
1364 * memp_std.h, memp.h, memp.c, mem.c, stats.c: (Task #7136) Centralize mempool
1365 settings into new memp_std.h and optional user file lwippools.h. This adds
1366 more dynamic mempools, and allows the user to create an arbitrary number of
1367 mempools for mem_malloc.
1368
1369 2007-08-16 Marc Boucher
1370 * api_msg.c: Initialize newconn->state to NETCONN_NONE in accept_function;
1371 otherwise it was left to NETCONN_CLOSE and sent_tcp() could prematurely
1372 close the connection.
1373
1374 2007-08-16 Marc Boucher
1375 * sockets.c: lwip_accept(): check netconn_peer() error return.
1376
1377 2007-08-16 Marc Boucher
1378 * mem.c, mem.h: Added mem_calloc().
1379
1380 2007-08-16 Marc Boucher
1381 * tcpip.c, tcpip.h memp.c, memp.h: Added distinct memp (MEMP_TCPIP_MSG_INPKT)
1382 for input packets to prevent floods from consuming all of MEMP_TCPIP_MSG
1383 and starving other message types.
1384 Renamed MEMP_TCPIP_MSG to MEMP_TCPIP_MSG_API
1385
1386 2007-08-16 Marc Boucher
1387 * pbuf.c, pbuf.h, etharp.c, tcp_in.c, sockets.c: Split pbuf flags in pbuf
1388 type and flgs (later renamed to flags).
1389 Use enum pbuf_flag as pbuf_type. Renumber PBUF_FLAG_*.
1390 Improved lwip_recvfrom(). TCP push now propagated.
1391
1392 2007-08-16 Marc Boucher
1393 * ethernetif.c, contrib/ports/various: ethbroadcast now a shared global
1394 provided by etharp.
1395
1396 2007-08-16 Marc Boucher
1397 * ppp_oe.c ppp_oe.h, auth.c chap.c fsm.c lcp.c ppp.c ppp.h,
1398 etharp.c ethernetif.c, etharp.h, opt.h tcpip.h, tcpip.c:
1399 Added PPPoE support and various PPP improvements.
1400
1401 2007-07-25 Simon Goldschmidt
1402 * api_lib.c, ip_frag.c, pbuf.c, api.h, pbuf.h: Introduced pbuf_copy_partial,
1403 making netbuf_copy_partial use this function.
1404
1405 2007-07-25 Simon Goldschmidt
1406 * tcp_in.c: Fix bug #20506: Slow start / initial congestion window starts with
1407 2 * mss (instead of 1 * mss previously) to comply with some newer RFCs and
1408 other stacks.
1409
1410 2007-07-13 Jared Grubb (integrated by Frédéric Bernon)
1411 * opt.h, netif.h, netif.c, ethernetif.c: Add new configuration option to add
1412 a link callback in the netif struct, and functions to handle it. Be carefull
1413 for port maintainers to add the NETIF_FLAG_LINK_UP flag (like in ethernetif.c)
1414 if you want to be sure to be compatible with future changes...
1415
1416 2007-06-30 Frédéric Bernon
1417 * sockets.h, sockets.c: Implement MSG_PEEK flag for recv/recvfrom functions.
1418
1419 2007-06-21 Simon Goldschmidt
1420 * etharp.h, etharp.c: Combined etharp_request with etharp_raw for both
1421 LWIP_AUTOIP =0 and =1 to remove redundant code.
1422
1423 2007-06-21 Simon Goldschmidt
1424 * mem.c, memp.c, mem.h, memp.h, opt.h: task #6863: Introduced the option
1425 MEM_USE_POOLS to use 4 pools with different sized elements instead of a
1426 heap. This both prevents memory fragmentation and gives a higher speed
1427 at the cost of more memory consumption. Turned off by default.
1428
1429 2007-06-21 Simon Goldschmidt
1430 * api_lib.c, api_msg.c, api.h, api_msg.h: Converted the length argument of
1431 netconn_write (and therefore also api_msg_msg.msg.w.len) from u16_t into
1432 int to be able to send a bigger buffer than 64K with one time (mainly
1433 used from lwip_send).
1434
1435 2007-06-21 Simon Goldschmidt
1436 * tcp.h, api_msg.c: Moved the nagle algorithm from netconn_write/do_write
1437 into a define (tcp_output_nagle) in tcp.h to provide it to raw api users, too.
1438
1439 2007-06-21 Simon Goldschmidt
1440 * api.h, api_lib.c, api_msg.c: Fixed bug #20021: Moved sendbuf-processing in
1441 netconn_write from api_lib.c to api_msg.c to also prevent multiple context-
1442 changes on low memory or empty send-buffer.
1443
1444 2007-06-18 Simon Goldschmidt
1445 * etharp.c, etharp.h: Changed etharp to use a defined hardware address length
1446 of 6 to avoid loading netif->hwaddr_len every time (since this file is only
1447 used for ethernet and struct eth_addr already had a defined length of 6).
1448
1449 2007-06-17 Simon Goldschmidt
1450 * sockets.c, sockets.h: Implemented socket options SO_NO_CHECK for UDP sockets
1451 to disable UDP checksum generation on transmit.
1452
1453 2007-06-13 Frédéric Bernon, Simon Goldschmidt
1454 * debug.h, api_msg.c: change LWIP_ERROR to use it to check errors like invalid
1455 pointers or parameters, and let the possibility to redefined it in cc.h. Use
1456 this macro to check "conn" parameter in api_msg.c functions.
1457
1458 2007-06-11 Simon Goldschmidt
1459 * sockets.c, sockets.h: Added UDP lite support for sockets
1460
1461 2007-06-10 Simon Goldschmidt
1462 * udp.h, opt.h, api_msg.c, ip.c, udp.c: Included switch LWIP_UDPLITE (enabled
1463 by default) to switch off UDP-Lite support if not needed (reduces udp.c code
1464 size)
1465
1466 2007-06-09 Dominik Spies (integrated by Frédéric Bernon)
1467 * autoip.h, autoip.c, dhcp.h, dhcp.c, netif.h, netif.c, etharp.h, etharp.c, opt.h:
1468 AutoIP implementation available for IPv4, with new options LWIP_AUTOIP and
1469 LWIP_DHCP_AUTOIP_COOP if you want to cooperate with DHCP. Some tips to adapt
1470 (see TODO mark in the source code).
1471
1472 2007-06-09 Simon Goldschmidt
1473 * etharp.h, etharp.c, ethernetif.c: Modified order of parameters for
1474 etharp_output() to match netif->output so etharp_output() can be used
1475 directly as netif->output to save one function call.
1476
1477 2007-06-08 Simon Goldschmidt
1478 * netif.h, ethernetif.c, slipif.c, loopif.c: Added define
1479 NETIF_INIT_SNMP(netif, type, speed) to initialize per-netif snmp variables,
1480 added initialization of those to ethernetif, slipif and loopif.
1481
1482 2007-05-18 Simon Goldschmidt
1483 * opt.h, ip_frag.c, ip_frag.h, ip.c: Added option IP_FRAG_USES_STATIC_BUF
1484 (defaulting to off for now) that can be set to 0 to send fragmented
1485 packets by passing PBUF_REFs down the stack.
1486
1487 2007-05-23 Frédéric Bernon
1488 * api_lib.c: Implement SO_RCVTIMEO for accept and recv on TCP
1489 connections, such present in patch #5959.
1490
1491 2007-05-23 Frédéric Bernon
1492 * api.h, api_lib.c, api_msg.c, sockets.c: group the different NETCONN_UDPxxx
1493 code in only one part...
1494
1495 2007-05-18 Simon Goldschmidt
1496 * opt.h, memp.h, memp.c: Added option MEMP_OVERFLOW_CHECK to check for memp
1497 elements to overflow. This is achieved by adding some bytes before and after
1498 each pool element (increasing their size, of course), filling them with a
1499 prominent value and checking them on freeing the element.
1500 Set it to 2 to also check every element in every pool each time memp_malloc()
1501 or memp_free() is called (slower but more helpful).
1502
1503 2007-05-10 Simon Goldschmidt
1504 * opt.h, memp.h, memp.c, pbuf.c (see task #6831): use a new memp pool for
1505 PBUF_POOL pbufs instead of the old pool implementation in pbuf.c to reduce
1506 code size.
1507
1508 2007-05-11 Frédéric Bernon
1509 * sockets.c, api_lib.c, api_msg.h, api_msg.c, netifapi.h, netifapi.c, tcpip.c:
1510 Include a function pointer instead of a table index in the message to reduce
1511 footprint. Disable some part of lwip_send and lwip_sendto if some options are
1512 not set (LWIP_TCP, LWIP_UDP, LWIP_RAW).
1513
1514 2007-05-10 Simon Goldschmidt
1515 * *.h (except netif/ppp/*.h): Included patch #5448: include '#ifdef __cplusplus
1516 \ extern "C" {' in all header files. Now you can write your application using
1517 the lwIP stack in C++ and simply #include the core files. Note I have left
1518 out the netif/ppp/*h header files for now, since I don't know which files are
1519 included by applications and which are for internal use only.
1520
1521 2007-05-09 Simon Goldschmidt
1522 * opt.h, *.c/*.h: Included patch #5920: Create define to override C-library
1523 memcpy. 2 Defines are created: MEMCPY() for normal memcpy, SMEMCPY() for
1524 situations where some compilers might inline the copy and save a function
1525 call. Also replaced all calls to memcpy() with calls to (S)MEMCPY().
1526
1527 2007-05-08 Simon Goldschmidt
1528 * mem.h: If MEM_LIBC_MALLOC==1, allow the defines (e.g. mem_malloc() -> malloc())
1529 to be overriden in case the C-library malloc implementation is not protected
1530 against concurrent access.
1531
1532 2007-05-04 Simon Goldschmidt (Atte Kojo)
1533 * etharp.c: Introduced fast one-entry-cache to speed up ARP lookup when sending
1534 multiple packets to the same host.
1535
1536 2007-05-04 Frédéric Bernon, Jonathan Larmour
1537 * sockets.c, api.h, api_lib.c, api_msg.h, api_msg.c: Fix bug #19162 "lwip_sento: a possible
1538 to corrupt remote addr/port connection state". Reduce problems "not enought memory" with
1539 netbuf (if we receive lot of datagrams). Improve lwip_sendto (only one exchange between
1540 sockets api and api_msg which run in tcpip_thread context). Add netconn_sento function.
1541 Warning, if you directly access to "fromaddr" & "fromport" field from netbuf struct,
1542 these fields are now renamed "addr" & "port".
1543
1544 2007-04-11 Jonathan Larmour
1545 * sys.h, api_lib.c: Provide new sys_mbox_tryfetch function. Require ports to provide new
1546 sys_arch_mbox_tryfetch function to get a message if one is there, otherwise return
1547 with SYS_MBOX_EMPTY. sys_arch_mbox_tryfetch can be implemented as a function-like macro
1548 by the port in sys_arch.h if desired.
1549
1550 2007-04-06 Frédéric Bernon, Simon Goldschmidt
1551 * opt.h, tcpip.h, tcpip.c, netifapi.h, netifapi.c: New configuration option LWIP_NETIF_API
1552 allow to use thread-safe functions to add/remove netif in list, and to start/stop dhcp
1553 clients, using new functions from netifapi.h. Disable as default (no port change to do).
1554
1555 2007-04-05 Frédéric Bernon
1556 * sockets.c: remplace ENOBUFS errors on alloc_socket by ENFILE to be more BSD compliant.
1557
1558 2007-04-04 Simon Goldschmidt
1559 * arch.h, api_msg.c, dhcp.c, msg_in.c, sockets.c: Introduced #define LWIP_UNUSED_ARG(x)
1560 use this for and architecture-independent form to tell the compiler you intentionally
1561 are not using this variable. Can be overriden in cc.h.
1562
1563 2007-03-28 Frédéric Bernon
1564 * opt.h, netif.h, dhcp.h, dhcp.c: New configuration option LWIP_NETIF_HOSTNAME allow to
1565 define a hostname in netif struct (this is just a pointer, so, you can use a hardcoded
1566 string, point on one of your's ethernetif field, or alloc a string you will free yourself).
1567 It will be used by DHCP to register a client hostname, but can also be use when you call
1568 snmp_set_sysname.
1569
1570 2007-03-28 Frédéric Bernon
1571 * netif.h, netif.c: A new NETIF_FLAG_ETHARP flag is defined in netif.h, to allow to
1572 initialize a network interface's flag with. It tell this interface is an ethernet
1573 device, and we can use ARP with it to do a "gratuitous ARP" (RFC 3220 "IP Mobility
1574 Support for IPv4" section 4.6) when interface is "up" with netif_set_up().
1575
1576 2007-03-26 Frédéric Bernon, Jonathan Larmour
1577 * opt.h, tcpip.c: New configuration option LWIP_ARP allow to disable ARP init at build
1578 time if you only use PPP or SLIP. The default is enable. Note we don't have to call
1579 etharp_init in your port's initilization sequence if you use tcpip.c, because this call
1580 is done in tcpip_init function.
1581
1582 2007-03-22 Frédéric Bernon
1583 * stats.h, stats.c, msg_in.c: Stats counters can be change to u32_t if necessary with the
1584 new option LWIP_STATS_LARGE. If you need this option, define LWIP_STATS_LARGE to 1 in
1585 your lwipopts.h. More, unused counters are not defined in the stats structs, and not
1586 display by stats_display(). Note that some options (SYS_STATS and RAW_STATS) are defined
1587 but never used. Fix msg_in.c with the correct #if test for a stat display.
1588
1589 2007-03-21 Kieran Mansley
1590 * netif.c, netif.h: Apply patch#4197 with some changes (originator: rireland@hmgsl.com).
1591 Provides callback on netif up/down state change.
1592
1593 2007-03-11 Frédéric Bernon, Mace Gael, Steve Reynolds
1594 * sockets.h, sockets.c, api.h, api_lib.c, api_msg.h, api_msg.c, igmp.h, igmp.c,
1595 ip.c, netif.h, tcpip.c, opt.h:
1596 New configuration option LWIP_IGMP to enable IGMP processing. Based on only one
1597 filter per all network interfaces. Declare a new function in netif to enable to
1598 control the MAC filter (to reduce lwIP traffic processing).
1599
1600 2007-03-11 Frédéric Bernon
1601 * tcp.h, tcp.c, sockets.c, tcp_out.c, tcp_in.c, opt.h: Keepalive values can
1602 be configured at run time with LWIP_TCP_KEEPALIVE, but don't change this
1603 unless you know what you're doing (default are RFC1122 compliant). Note
1604 that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set in seconds.
1605
1606 2007-03-08 Frédéric Bernon
1607 * tcp.h: Keepalive values can be configured at compile time, but don't change
1608 this unless you know what you're doing (default are RFC1122 compliant).
1609
1610 2007-03-08 Frédéric Bernon
1611 * sockets.c, api.h, api_lib.c, tcpip.c, sys.h, sys.c, err.c, opt.h:
1612 Implement LWIP_SO_RCVTIMEO configuration option to enable/disable SO_RCVTIMEO
1613 on UDP sockets/netconn.
1614
1615 2007-03-08 Simon Goldschmidt
1616 * snmp_msg.h, msg_in.c: SNMP UDP ports can be configured at compile time.
1617
1618 2007-03-06 Frédéric Bernon
1619 * api.h, api_lib.c, sockets.h, sockets.c, tcpip.c, sys.h, sys.c, err.h:
1620 Implement SO_RCVTIMEO on UDP sockets/netconn.
1621
1622 2007-02-28 Kieran Mansley (based on patch from Simon Goldschmidt)
1623 * api_lib.c, tcpip.c, memp.c, memp.h: make API msg structs allocated
1624 on the stack and remove the API msg type from memp
1625
1626 2007-02-26 Jonathan Larmour (based on patch from Simon Goldschmidt)
1627 * sockets.h, sockets.c: Move socket initialization to new
1628 lwip_socket_init() function.
1629 NOTE: this changes the API with ports. Ports will have to be
1630 updated to call lwip_socket_init() now.
1631
1632 2007-02-26 Jonathan Larmour (based on patch from Simon Goldschmidt)
1633 * api_lib.c: Use memcpy in netbuf_copy_partial.
1634
1635
1636 ++ Bug fixes:
1637
1638 2008-03-17 Frédéric Bernon, Ed Kerekes
1639 * igmp.h, igmp.c: Fix bug #22613 "IGMP iphdr problem" (could have
1640 some problems to fill the IP header on some targets, use now the
1641 ip.h macros to do it).
1642
1643 2008-03-13 Frédéric Bernon
1644 * sockets.c: Fix bug #22435 "lwip_recvfrom with TCP break;". Using
1645 (lwip_)recvfrom with valid "from" and "fromlen" parameters, on a
1646 TCP connection caused a crash. Note that using (lwip_)recvfrom
1647 like this is a bit slow and that using (lwip)getpeername is the
1648 good lwip way to do it (so, using recv is faster on tcp sockets).
1649
1650 2008-03-12 Frédéric Bernon, Jonathan Larmour
1651 * api_msg.c, contrib/apps/ping.c: Fix bug #22530 "api_msg.c's
1652 recv_raw() does not consume data", and the ping sample (with
1653 LWIP_SOCKET=1, the code did the wrong supposition that lwip_recvfrom
1654 returned the IP payload, without the IP header).
1655
1656 2008-03-04 Jonathan Larmour
1657 * mem.c, stats.c, mem.h: apply patch #6414 to avoid compiler errors
1658 and/or warnings on some systems where mem_size_t and size_t differ.
1659 * pbuf.c, ppp.c: Fix warnings on some systems with mem_malloc.
1660
1661 2008-03-04 Kieran Mansley (contributions by others)
1662 * Numerous small compiler error/warning fixes from contributions to
1663 mailing list after 1.3.0 release candidate made.
1664
1665 2008-01-25 Cui hengbin (integrated by Frédéric Bernon)
1666 * dns.c: Fix bug #22108 "DNS problem" caused by unaligned structures.
1667
1668 2008-01-15 Kieran Mansley
1669 * tcp_out.c: BUG20511. Modify persist timer to start when we are
1670 prevented from sending by a small send window, not just a zero
1671 send window.
1672
1673 2008-01-09 Jonathan Larmour
1674 * opt.h, ip.c: Rename IP_OPTIONS define to IP_OPTIONS_ALLOWED to avoid
1675 conflict with Linux system headers.
1676
1677 2008-01-06 Jonathan Larmour
1678 * dhcp.c: fix bug #19927: "DHCP NACK problem" by clearing any existing set IP
1679 address entirely on receiving a DHCPNAK, and restarting discovery.
1680
1681 2007-12-21 Simon Goldschmidt
1682 * sys.h, api_lib.c, api_msg.c, sockets.c: fix bug #21698: "netconn->recv_avail
1683 is not protected" by using new macros for interlocked access to modify/test
1684 netconn->recv_avail.
1685
1686 2007-12-20 Kieran Mansley (based on patch from Oleg Tyshev)
1687 * tcp_in.c: fix bug# 21535 (nrtx not reset correctly in SYN_SENT state)
1688
1689 2007-12-20 Kieran Mansley (based on patch from Per-Henrik Lundbolm)
1690 * tcp.c, tcp_in.c, tcp_out.c, tcp.h: fix bug #20199 (better handling
1691 of silly window avoidance and prevent lwIP from shrinking the window)
1692
1693 2007-12-04 Simon Goldschmidt
1694 * tcp.c, tcp_in.c: fix bug #21699 (segment leak in ooseq processing when last
1695 data packet was lost): add assert that all segment lists are empty in
1696 tcp_pcb_remove before setting pcb to CLOSED state; don't directly set CLOSED
1697 state from LAST_ACK in tcp_process
1698
1699 2007-12-02 Simon Goldschmidt
1700 * sockets.h: fix bug #21654: exclude definition of struct timeval from #ifndef FD_SET
1701 If including <sys/time.h> for system-struct timeval, LWIP_TIMEVAL_PRIVATE now
1702 has to be set to 0 in lwipopts.h
1703
1704 2007-12-02 Simon Goldschmidt
1705 * api_msg.c, api_lib.c: fix bug #21656 (recvmbox problem in netconn API): always
1706 allocate a recvmbox in netconn_new_with_proto_and_callback. For a tcp-listen
1707 netconn, this recvmbox is later freed and a new mbox is allocated for acceptmbox.
1708 This is a fix for thread-safety and allocates all items needed for a netconn
1709 when the netconn is created.
1710
1711 2007-11-30 Simon Goldschmidt
1712 * udp.c: first attempt to fix bug #21655 (DHCP doesn't work reliably with multiple
1713 netifs): if LWIP_DHCP is enabled, UDP packets to DHCP_CLIENT_PORT are passed
1714 to netif->dhcp->pcb only (if that exists) and not to any other pcb for the same
1715 port (only solution to let UDP pcbs 'bind' to a netif instead of an IP address)
1716
1717 2007-11-27 Simon Goldschmidt
1718 * ip.c: fixed bug #21643 (udp_send/raw_send don't fail if netif is down) by
1719 letting ip_route only use netifs that are up.
1720
1721 2007-11-27 Simon Goldschmidt
1722 * err.h, api_lib.c, api_msg.c, sockets.c: Changed error handling: ERR_MEM, ERR_BUF
1723 and ERR_RTE are seen as non-fatal, all other errors are fatal. netconns and
1724 sockets block most operations once they have seen a fatal error.
1725
1726 2007-11-27 Simon Goldschmidt
1727 * udp.h, udp.c, dhcp.c: Implemented new function udp_sendto_if which takes the
1728 netif to send as an argument (to be able to send on netifs that are down).
1729
1730 2007-11-26 Simon Goldschmidt
1731 * tcp_in.c: Fixed bug #21582: pcb->acked accounting can be wrong when ACKs
1732 arrive out-of-order
1733
1734 2007-11-21 Simon Goldschmidt
1735 * tcp.h, tcp_out.c, api_msg.c: Fixed bug #20287: tcp_output_nagle sends too early
1736 Fixed the nagle algorithm; nagle now also works for all raw API applications
1737 and has to be explicitly disabled with 'tcp_pcb->flags |= TF_NODELAY'
1738
1739 2007-11-12 Frédéric Bernon
1740 * sockets.c, api.h, api_lib.c, api_msg.h, api_msg.c: Fixed bug #20900. Now, most
1741 of the netconn_peer and netconn_addr processing is done inside tcpip_thread
1742 context in do_getaddr.
1743
1744 2007-11-10 Simon Goldschmidt
1745 * etharp.c: Fixed bug: assert fired when MEMP_ARP_QUEUE was empty (which can
1746 happen any time). Now the packet simply isn't enqueued when out of memory.
1747
1748 2007-11-01 Simon Goldschmidt
1749 * tcp.c, tcp_in.c: Fixed bug #21494: The send mss (pcb->mss) is set to 536 (or
1750 TCP_MSS if that is smaller) as long as no MSS option is received from the
1751 remote host.
1752
1753 2007-11-01 Simon Goldschmidt
1754 * tcp.h, tcp.c, tcp_in.c: Fixed bug #21491: The MSS option sent (with SYN)
1755 is now based on TCP_MSS instead of pcb->mss (on passive open now effectively
1756 sending our configured TCP_MSS instead of the one received).
1757
1758 2007-11-01 Simon Goldschmidt
1759 * tcp_in.c: Fixed bug #21181: On active open, the initial congestion window was
1760 calculated based on the configured TCP_MSS, not on the MSS option received
1761 with SYN+ACK.
1762
1763 2007-10-09 Simon Goldschmidt
1764 * udp.c, inet.c, inet.h: Fixed UDPLite: send: Checksum was always generated too
1765 short and also was generated wrong if checksum coverage != tot_len;
1766 receive: checksum was calculated wrong if checksum coverage != tot_len
1767
1768 2007-10-08 Simon Goldschmidt
1769 * mem.c: lfree was not updated in mem_realloc!
1770
1771 2007-10-07 Frédéric Bernon
1772 * sockets.c, api.h, api_lib.c: First step to fix "bug #20900 : Potential
1773 crash error problem with netconn_peer & netconn_addr". VERY IMPORTANT:
1774 this change cause an API breakage for netconn_addr, since a parameter
1775 type change. Any compiler should cause an error without any changes in
1776 yours netconn_peer calls (so, it can't be a "silent change"). It also
1777 reduce a little bit the footprint for socket layer (lwip_getpeername &
1778 lwip_getsockname use now a common lwip_getaddrname function since
1779 netconn_peer & netconn_addr have the same parameters).
1780
1781 2007-09-20 Simon Goldschmidt
1782 * tcp.c: Fixed bug #21080 (tcp_bind without check pcbs in TIME_WAIT state)
1783 by checking tcp_tw_pcbs also
1784
1785 2007-09-19 Simon Goldschmidt
1786 * icmp.c: Fixed bug #21107 (didn't reset IP TTL in ICMP echo replies)
1787
1788 2007-09-15 Mike Kleshov
1789 * mem.c: Fixed bug #21077 (inaccuracy in calculation of lwip_stat.mem.used)
1790
1791 2007-09-06 Frédéric Bernon
1792 * several-files: replace some #include "arch/cc.h" by "lwip/arch.h", or simply remove
1793 it as long as "lwip/opt.h" is included before (this one include "lwip/debug.h" which
1794 already include "lwip/arch.h"). Like that, default defines are provided by "lwip/arch.h"
1795 if they are not defined in cc.h, in the same spirit than "lwip/opt.h" for lwipopts.h.
1796
1797 2007-08-30 Frédéric Bernon
1798 * igmp.h, igmp.c: Some changes to remove some redundant code, add some traces,
1799 and fix some coding style.
1800
1801 2007-08-28 Frédéric Bernon
1802 * tcpip.c: Fix TCPIP_MSG_INPKT processing: now, tcpip_input can be used for any
1803 kind of packets. These packets are considered like Ethernet packets (payload
1804 pointing to ethhdr) if the netif got the NETIF_FLAG_ETHARP flag. Else, packets
1805 are considered like IP packets (payload pointing to iphdr).
1806
1807 2007-08-27 Frédéric Bernon
1808 * api.h, api_lib.c, api_msg.c: First fix for "bug #20900 : Potential crash error
1809 problem with netconn_peer & netconn_addr". Introduce NETCONN_LISTEN netconn_state
1810 and remove obsolete ones (NETCONN_RECV & NETCONN_ACCEPT).
1811
1812 2007-08-24 Kieran Mansley
1813 * inet.c Modify (acc >> 16) test to ((acc >> 16) != 0) to help buggy
1814 compiler (Paradigm C++)
1815
1816 2007-08-09 Frédéric Bernon, Bill Florac
1817 * stats.h, stats.c, igmp.h, igmp.c, opt.h: Fix for bug #20503 : IGMP Improvement.
1818 Introduce IGMP_STATS to centralize statistics management.
1819
1820 2007-08-09 Frédéric Bernon, Bill Florac
1821 * udp.c: Fix for bug #20503 : IGMP Improvement. Enable to receive a multicast
1822 packet on a udp pcb binded on an netif's IP address, and not on "any".
1823
1824 2007-08-09 Frédéric Bernon, Bill Florac
1825 * igmp.h, igmp.c, ip.c: Fix minor changes from bug #20503 : IGMP Improvement.
1826 This is mainly on using lookup/lookfor, and some coding styles...
1827
1828 2007-07-26 Frédéric Bernon (and "thedoctor")
1829 * igmp.c: Fix bug #20595 to accept IGMPv3 "Query" messages.
1830
1831 2007-07-25 Simon Goldschmidt
1832 * api_msg.c, tcp.c: Another fix for bug #20021: by not returning an error if
1833 tcp_output fails in tcp_close, the code in do_close_internal gets simpler
1834 (tcp_output is called again later from tcp timers).
1835
1836 2007-07-25 Simon Goldschmidt
1837 * ip_frag.c: Fixed bug #20429: use the new pbuf_copy_partial instead of the old
1838 copy_from_pbuf, which illegally modified the given pbuf.
1839
1840 2007-07-25 Simon Goldschmidt
1841 * tcp_out.c: tcp_enqueue: pcb->snd_queuelen didn't work for chaine PBUF_RAMs:
1842 changed snd_queuelen++ to snd_queuelen += pbuf_clen(p).
1843
1844 2007-07-24 Simon Goldschmidt
1845 * api_msg.c, tcp.c: Fix bug #20480: Check the pcb passed to tcp_listen() for the
1846 correct state (must be CLOSED).
1847
1848 2007-07-13 Thomas Taranowski (commited by Jared Grubb)
1849 * memp.c: Fix bug #20478: memp_malloc returned NULL+MEMP_SIZE on failed
1850 allocation. It now returns NULL.
1851
1852 2007-07-13 Frédéric Bernon
1853 * api_msg.c: Fix bug #20318: api_msg "recv" callbacks don't call pbuf_free in
1854 all error cases.
1855
1856 2007-07-13 Frédéric Bernon
1857 * api_msg.c: Fix bug #20315: possible memory leak problem if tcp_listen failed,
1858 because current code doesn't follow rawapi.txt documentation.
1859
1860 2007-07-13 Kieran Mansley
1861 * src/core/tcp_in.c Apply patch#5741 from Oleg Tyshev to fix bug in
1862 out of sequence processing of received packets
1863
1864 2007-07-03 Simon Goldschmidt
1865 * nearly-all-files: Added assertions where PBUF_RAM pbufs are used and an
1866 assumption is made that this pbuf is in one piece (i.e. not chained). These
1867 assumptions clash with the possibility of converting to fully pool-based
1868 pbuf implementations, where PBUF_RAM pbufs might be chained.
1869
1870 2007-07-03 Simon Goldschmidt
1871 * api.h, api_lib.c, api_msg.c: Final fix for bug #20021 and some other problems
1872 when closing tcp netconns: removed conn->sem, less context switches when
1873 closing, both netconn_close and netconn_delete should safely close tcp
1874 connections.
1875
1876 2007-07-02 Simon Goldschmidt
1877 * ipv4/ip.h, ipv6/ip.h, opt.h, netif.h, etharp.h, ipv4/ip.c, netif.c, raw.c,
1878 tcp_out.c, udp.c, etharp.c: Added option LWIP_NETIF_HWADDRHINT (default=off)
1879 to cache ARP table indices with each pcb instead of single-entry cache for
1880 the complete stack.
1881
1882 2007-07-02 Simon Goldschmidt
1883 * tcp.h, tcp.c, tcp_in.c, tcp_out.c: Added some ASSERTS and casts to prevent
1884 warnings when assigning to smaller types.
1885
1886 2007-06-28 Simon Goldschmidt
1887 * tcp_out.c: Added check to prevent tcp_pcb->snd_queuelen from overflowing.
1888
1889 2007-06-28 Simon Goldschmidt
1890 * tcp.h: Fixed bug #20287: Fixed nagle algorithm (sending was done too early if
1891 a segment contained chained pbufs)
1892
1893 2007-06-28 Frédéric Bernon
1894 * autoip.c: replace most of rand() calls by a macro LWIP_AUTOIP_RAND which compute
1895 a "pseudo-random" value based on netif's MAC and some autoip fields. It's always
1896 possible to define this macro in your own lwipopts.h to always use C library's
1897 rand(). Note that autoip_create_rand_addr doesn't use this macro.
1898
1899 2007-06-28 Frédéric Bernon
1900 * netifapi.h, netifapi.c, tcpip.h, tcpip.c: Update code to handle the option
1901 LWIP_TCPIP_CORE_LOCKING, and do some changes to be coherent with last modifications
1902 in api_lib/api_msg (use pointers and not type with table, etc...)
1903
1904 2007-06-26 Simon Goldschmidt
1905 * udp.h: Fixed bug #20259: struct udp_hdr was lacking the packin defines.
1906
1907 2007-06-25 Simon Goldschmidt
1908 * udp.c: Fixed bug #20253: icmp_dest_unreach was called with a wrong p->payload
1909 for udp packets with no matching pcb.
1910
1911 2007-06-25 Simon Goldschmidt
1912 * udp.c: Fixed bug #20220: UDP PCB search in udp_input(): a non-local match
1913 could get udp input packets if the remote side matched.
1914
1915 2007-06-13 Simon Goldschmidt
1916 * netif.c: Fixed bug #20180 (TCP pcbs listening on IP_ADDR_ANY could get
1917 changed in netif_set_ipaddr if previous netif->ip_addr.addr was 0.
1918
1919 2007-06-13 Simon Goldschmidt
1920 * api_msg.c: pcb_new sets conn->err if protocol is not implemented
1921 -> netconn_new_..() does not allocate a new connection for unsupported
1922 protocols.
1923
1924 2007-06-13 Frédéric Bernon, Simon Goldschmidt
1925 * api_lib.c: change return expression in netconn_addr and netconn_peer, because
1926 conn->err was reset to ERR_OK without any reasons (and error was lost)...
1927
1928 2007-06-13 Frédéric Bernon, Matthias Weisser
1929 * opt.h, mem.h, mem.c, memp.c, pbuf.c, ip_frag.c, vj.c: Fix bug #20162. Rename
1930 MEM_ALIGN in LWIP_MEM_ALIGN and MEM_ALIGN_SIZE in LWIP_MEM_ALIGN_SIZE to avoid
1931 some macro names collision with some OS macros.
1932
1933 2007-06-11 Simon Goldschmidt
1934 * udp.c: UDP Lite: corrected the use of chksum_len (based on RFC3828: if it's 0,
1935 create checksum over the complete packet. On RX, if it's < 8 (and not 0),
1936 discard the packet. Also removed the duplicate 'udphdr->chksum = 0' for both
1937 UDP & UDP Lite.
1938
1939 2007-06-11 Srinivas Gollakota & Oleg Tyshev
1940 * tcp_out.c: Fix for bug #20075 : "A problem with keep-alive timer and TCP flags"
1941 where TCP flags wasn't initialized in tcp_keepalive.
1942
1943 2007-06-03 Simon Goldschmidt
1944 * udp.c: udp_input(): Input pbuf was not freed if pcb had no recv function
1945 registered, p->payload was modified without modifying p->len if sending
1946 icmp_dest_unreach() (had no negative effect but was definitively wrong).
1947
1948 2007-06-03 Simon Goldschmidt
1949 * icmp.c: Corrected bug #19937: For responding to an icmp echo request, icmp
1950 re-used the input pbuf even if that didn't have enough space to include the
1951 link headers. Now the space is tested and a new pbuf is allocated for the
1952 echo response packet if the echo request pbuf isn't big enough.
1953
1954 2007-06-01 Simon Goldschmidt
1955 * sockets.c: Checked in patch #5914: Moved sockopt processing into tcpip_thread.
1956
1957 2007-05-23 Frédéric Bernon
1958 * api_lib.c, sockets.c: Fixed bug #5958 for netconn_listen (acceptmbox only
1959 allocated by do_listen if success) and netconn_accept errors handling. In
1960 most of api_lib functions, we replace some errors checkings like "if (conn==NULL)"
1961 by ASSERT, except for netconn_delete.
1962
1963 2007-05-23 Frédéric Bernon
1964 * api_lib.c: Fixed bug #5957 "Safe-thread problem inside netconn_recv" to return
1965 an error code if it's impossible to fetch a pbuf on a TCP connection (and not
1966 directly close the recvmbox).
1967
1968 2007-05-22 Simon Goldschmidt
1969 * tcp.c: Fixed bug #1895 (tcp_bind not correct) by introducing a list of
1970 bound but unconnected (and non-listening) tcp_pcbs.
1971
1972 2007-05-22 Frédéric Bernon
1973 * sys.h, sys.c, api_lib.c, tcpip.c: remove sys_mbox_fetch_timeout() (was only
1974 used for LWIP_SO_RCVTIMEO option) and use sys_arch_mbox_fetch() instead of
1975 sys_mbox_fetch() in api files. Now, users SHOULD NOT use internal lwIP features
1976 like "sys_timeout" in their application threads.
1977
1978 2007-05-22 Frédéric Bernon
1979 * api.h, api_lib.c, api_msg.h, api_msg.c: change the struct api_msg_msg to see
1980 which parameters are used by which do_xxx function, and to avoid "misusing"
1981 parameters (patch #5938).
1982
1983 2007-05-22 Simon Goldschmidt
1984 * api_lib.c, api_msg.c, raw.c, api.h, api_msg.h, raw.h: Included patch #5938:
1985 changed raw_pcb.protocol from u16_t to u8_t since for IPv4 and IPv6, proto
1986 is only 8 bits wide. This affects the api, as there, the protocol was
1987 u16_t, too.
1988
1989 2007-05-18 Simon Goldschmidt
1990 * memp.c: addition to patch #5913: smaller pointer was returned but
1991 memp_memory was the same size -> did not save memory.
1992
1993 2007-05-16 Simon Goldschmidt
1994 * loopif.c, slipif.c: Fix bug #19729: free pbuf if netif->input() returns
1995 != ERR_OK.
1996
1997 2007-05-16 Simon Goldschmidt
1998 * api_msg.c, udp.c: If a udp_pcb has a local_ip set, check if it is the same
1999 as the one of the netif used for sending to prevent sending from old
2000 addresses after a netif address gets changed (partly fixes bug #3168).
2001
2002 2007-05-16 Frédéric Bernon
2003 * tcpip.c, igmp.h, igmp.c: Fixed bug "#19800 : IGMP: igmp_tick() will not work
2004 with NO_SYS=1". Note that igmp_init is always in tcpip_thread (and not in
2005 tcpip_init) because we have to be sure that network interfaces are already
2006 added (mac filter is updated only in igmp_init for the moment).
2007
2008 2007-05-16 Simon Goldschmidt
2009 * mem.c, memp.c: Removed semaphores from memp, changed sys_sem_wait calls
2010 into sys_arch_sem_wait calls to prevent timers from running while waiting
2011 for the heap. This fixes bug #19167.
2012
2013 2007-05-13 Simon Goldschmidt
2014 * tcp.h, sockets.h, sockets.c: Fixed bug from patch #5865 by moving the defines
2015 for socket options (lwip_set/-getsockopt) used with level IPPROTO_TCP from
2016 tcp.h to sockets.h.
2017
2018 2007-05-07 Simon Goldschmidt
2019 * mem.c: Another attempt to fix bug #17922.
2020
2021 2007-05-04 Simon Goldschmidt
2022 * pbuf.c, pbuf.h, etharp.c: Further update to ARP queueing: Changed pbuf_copy()
2023 implementation so that it can be reused (don't allocate the target
2024 pbuf inside pbuf_copy()).
2025
2026 2007-05-04 Simon Goldschmidt
2027 * memp.c: checked in patch #5913: in memp_malloc() we can return memp as mem
2028 to save a little RAM (next pointer of memp is not used while not in pool).
2029
2030 2007-05-03 "maq"
2031 * sockets.c: Fix ioctl FIONREAD when some data remains from last recv.
2032 (patch #3574).
2033
2034 2007-04-23 Simon Goldschmidt
2035 * loopif.c, loopif.h, opt.h, src/netif/FILES: fix bug #2595: "loopif results
2036 in NULL reference for incoming TCP packets". Loopif has to be configured
2037 (using LWIP_LOOPIF_MULTITHREADING) to directly call netif->input()
2038 (multithreading environments, e.g. netif->input() = tcpip_input()) or
2039 putting packets on a list that is fed to the stack by calling loopif_poll()
2040 (single-thread / NO_SYS / polling environment where e.g.
2041 netif->input() = ip_input).
2042
2043 2007-04-17 Jonathan Larmour
2044 * pbuf.c: Use s32_t in pbuf_realloc(), as an s16_t can't reliably hold
2045 the difference between two u16_t's.
2046 * sockets.h: FD_SETSIZE needs to match number of sockets, which is
2047 MEMP_NUM_NETCONN in sockets.c right now.
2048
2049 2007-04-12 Jonathan Larmour
2050 * icmp.c: Reset IP header TTL in ICMP ECHO responses (bug #19580).
2051
2052 2007-04-12 Kieran Mansley
2053 * tcp.c, tcp_in.c, tcp_out.c, tcp.h: Modify way the retransmission
2054 timer is reset to fix bug#19434, with help from Oleg Tyshev.
2055
2056 2007-04-11 Simon Goldschmidt
2057 * etharp.c, pbuf.c, pbuf.h: 3rd fix for bug #11400 (arp-queuing): More pbufs than
2058 previously thought need to be copied (everything but PBUF_ROM!). Cleaned up
2059 pbuf.c: removed functions no needed any more (by etharp).
2060
2061 2007-04-11 Kieran Mansley
2062 * inet.c, ip_addr.h, sockets.h, sys.h, tcp.h: Apply patch #5745: Fix
2063 "Constant is long" warnings with 16bit compilers. Contributed by
2064 avatar@mmlab.cse.yzu.edu.tw
2065
2066 2007-04-05 Frédéric Bernon, Jonathan Larmour
2067 * api_msg.c: Fix bug #16830: "err_tcp() posts to connection mailbox when no pend on
2068 the mailbox is active". Now, the post is only done during a connect, and do_send,
2069 do_write and do_join_leave_group don't do anything if a previous error was signaled.
2070
2071 2007-04-03 Frédéric Bernon
2072 * ip.c: Don't set the IP_DF ("Don't fragment") flag in the IP header in IP output
2073 packets. See patch #5834.
2074
2075 2007-03-30 Frédéric Bernon
2076 * api_msg.c: add a "pcb_new" helper function to avoid redundant code, and to add
2077 missing pcb allocations checking (in do_bind, and for each raw_new). Fix style.
2078
2079 2007-03-30 Frédéric Bernon
2080 * most of files: prefix all debug.h define with "LWIP_" to avoid any conflict with
2081 others environment defines (these were too "generic").
2082
2083 2007-03-28 Frédéric Bernon
2084 * api.h, api_lib.c, sockets.c: netbuf_ref doesn't check its internal pbuf_alloc call
2085 result and can cause a crash. lwip_send now check netbuf_ref result.
2086
2087 2007-03-28 Simon Goldschmidt
2088 * sockets.c Remove "#include <errno.h>" from sockets.c to avoid multiple
2089 definition of macros (in errno.h and lwip/arch.h) if LWIP_PROVIDE_ERRNO is
2090 defined. This is the way it should have been already (looking at
2091 doc/sys_arch.txt)
2092
2093 2007-03-28 Kieran Mansley
2094 * opt.h Change default PBUF_POOL_BUFSIZE (again) to accomodate default MSS +
2095 IP and TCP headers *and* physical link headers
2096
2097 2007-03-26 Frédéric Bernon (based on patch from Dmitry Potapov)
2098 * api_lib.c: patch for netconn_write(), fixes a possible race condition which cause
2099 to send some garbage. It is not a definitive solution, but the patch does solve
2100 the problem for most cases.
2101
2102 2007-03-22 Frédéric Bernon
2103 * api_msg.h, api_msg.c: Remove obsolete API_MSG_ACCEPT and do_accept (never used).
2104
2105 2007-03-22 Frédéric Bernon
2106 * api_lib.c: somes resources couldn't be freed if there was errors during
2107 netconn_new_with_proto_and_callback.
2108
2109 2007-03-22 Frédéric Bernon
2110 * ethernetif.c: update netif->input calls to check return value. In older ports,
2111 it's a good idea to upgrade them, even if before, there could be another problem
2112 (access to an uninitialized mailbox).
2113
2114 2007-03-21 Simon Goldschmidt
2115 * sockets.c: fixed bug #5067 (essentialy a signed/unsigned warning fixed
2116 by casting to unsigned).
2117
2118 2007-03-21 Frédéric Bernon
2119 * api_lib.c, api_msg.c, tcpip.c: integrate sys_mbox_fetch(conn->mbox, NULL) calls from
2120 api_lib.c to tcpip.c's tcpip_apimsg(). Now, use a local variable and not a
2121 dynamic one from memp to send tcpip_msg to tcpip_thread in a synchrone call.
2122 Free tcpip_msg from tcpip_apimsg is not done in tcpip_thread. This give a
2123 faster and more reliable communication between api_lib and tcpip.
2124
2125 2007-03-21 Frédéric Bernon
2126 * opt.h: Add LWIP_NETIF_CALLBACK (to avoid compiler warning) and set it to 0.
2127
2128 2007-03-21 Frédéric Bernon
2129 * api_msg.c, igmp.c, igmp.h: Fix C++ style comments
2130
2131 2007-03-21 Kieran Mansley
2132 * opt.h Change default PBUF_POOL_BUFSIZE to accomodate default MSS +
2133 IP and TCP headers
2134
2135 2007-03-21 Kieran Mansley
2136 * Fix all uses of pbuf_header to check the return value. In some
2137 cases just assert if it fails as I'm not sure how to fix them, but
2138 this is no worse than before when they would carry on regardless
2139 of the failure.
2140
2141 2007-03-21 Kieran Mansley
2142 * sockets.c, igmp.c, igmp.h, memp.h: Fix C++ style comments and
2143 comment out missing header include in icmp.c
2144
2145 2007-03-20 Frédéric Bernon
2146 * memp.h, stats.c: Fix stats_display function where memp_names table wasn't
2147 synchronized with memp.h.
2148
2149 2007-03-20 Frédéric Bernon
2150 * tcpip.c: Initialize tcpip's mbox, and verify if initialized in tcpip_input,
2151 tcpip_ethinput, tcpip_callback, tcpip_apimsg, to fix a init problem with
2152 network interfaces. Also fix a compiler warning.
2153
2154 2007-03-20 Kieran Mansley
2155 * udp.c: Only try and use pbuf_header() to make space for headers if
2156 not a ROM or REF pbuf.
2157
2158 2007-03-19 Frédéric Bernon
2159 * api_msg.h, api_msg.c, tcpip.h, tcpip.c: Add return types to tcpip_apimsg()
2160 and api_msg_post().
2161
2162 2007-03-19 Frédéric Bernon
2163 * Remove unimplemented "memp_realloc" function from memp.h.
2164
2165 2007-03-11 Simon Goldschmidt
2166 * pbuf.c: checked in patch #5796: pbuf_alloc: len field claculation caused
2167 memory corruption.
2168
2169 2007-03-11 Simon Goldschmidt (based on patch from Dmitry Potapov)
2170 * api_lib.c, sockets.c, api.h, api_msg.h, sockets.h: Fixed bug #19251
2171 (missing `const' qualifier in socket functions), to get more compatible to
2172 standard POSIX sockets.
2173
2174 2007-03-11 Frédéric Bernon (based on patch from Dmitry Potapov)
2175 * sockets.c: Add asserts inside bind, connect and sendto to check input
2176 parameters. Remove excessive set_errno() calls after get_socket(), because
2177 errno is set inside of get_socket(). Move last sock_set_errno() inside
2178 lwip_close.
2179
2180 2007-03-09 Simon Goldschmidt
2181 * memp.c: Fixed bug #11400: New etharp queueing introduced bug: memp_memory
2182 was allocated too small.
2183
2184 2007-03-06 Simon Goldschmidt
2185 * tcpip.c: Initialize dhcp timers in tcpip_thread (if LWIP_DHCP) to protect
2186 the stack from concurrent access.
2187
2188 2007-03-06 Frédéric Bernon, Dmitry Potapov
2189 * tcpip.c, ip_frag.c, ethernetif.c: Fix some build problems, and a redundancy
2190 call to "lwip_stats.link.recv++;" in low_level_input() & ethernetif_input().
2191
2192 2007-03-06 Simon Goldschmidt
2193 * ip_frag.c, ip_frag.h: Reduce code size: don't include code in those files
2194 if IP_FRAG == 0 and IP_REASSEMBLY == 0
2195
2196 2007-03-06 Frédéric Bernon, Simon Goldschmidt
2197 * opt.h, ip_frag.h, tcpip.h, tcpip.c, ethernetif.c: add new configuration
2198 option named ETHARP_TCPIP_ETHINPUT, which enable the new tcpip_ethinput.
2199 Allow to do ARP processing for incoming packets inside tcpip_thread
2200 (protecting ARP layer against concurrent access). You can also disable
2201 old code using tcp_input with new define ETHARP_TCPIP_INPUT set to 0.
2202 Older ports have to use tcpip_ethinput.
2203
2204 2007-03-06 Simon Goldschmidt (based on patch from Dmitry Potapov)
2205 * err.h, err.c: fixed compiler warning "initialization dircards qualifiers
2206 from pointer target type"
2207
2208 2007-03-05 Frédéric Bernon
2209 * opt.h, sockets.h: add new configuration options (LWIP_POSIX_SOCKETS_IO_NAMES,
2210 ETHARP_TRUST_IP_MAC, review SO_REUSE)
2211
2212 2007-03-04 Frédéric Bernon
2213 * api_msg.c: Remove some compiler warnings : parameter "pcb" was never
2214 referenced.
2215
2216 2007-03-04 Frédéric Bernon
2217 * api_lib.c: Fix "[patch #5764] api_lib.c cleanup: after patch #5687" (from
2218 Dmitry Potapov).
2219 The api_msg struct stay on the stack (not moved to netconn struct).
2220
2221 2007-03-04 Simon Goldschmidt (based on patch from Dmitry Potapov)
2222 * pbuf.c: Fix BUG#19168 - pbuf_free can cause deadlock (if
2223 SYS_LIGHTWEIGHT_PROT=1 & freeing PBUF_RAM when mem_sem is not available)
2224 Also fixed cast warning in pbuf_alloc()
2225
2226 2007-03-04 Simon Goldschmidt
2227 * etharp.c, etharp.h, memp.c, memp.h, opt.h: Fix BUG#11400 - don't corrupt
2228 existing pbuf chain when enqueuing multiple pbufs to a pending ARP request
2229
2230 2007-03-03 Frédéric Bernon
2231 * udp.c: remove obsolete line "static struct udp_pcb *pcb_cache = NULL;"
2232 It is static, and never used in udp.c except udp_init().
2233
2234 2007-03-02 Simon Goldschmidt
2235 * tcpip.c: Moved call to ip_init(), udp_init() and tcp_init() from
2236 tcpip_thread() to tcpip_init(). This way, raw API connections can be
2237 initialized before tcpip_thread is running (e.g. before OS is started)
2238
2239 2007-03-02 Frédéric Bernon
2240 * rawapi.txt: Fix documentation mismatch with etharp.h about etharp_tmr's call
2241 interval.
2242
2243 2007-02-28 Kieran Mansley
2244 * pbuf.c: Fix BUG#17645 - ensure pbuf payload pointer is not moved
2245 outside the region of the pbuf by pbuf_header()
2246
2247 2007-02-28 Kieran Mansley
2248 * sockets.c: Fix BUG#19161 - ensure milliseconds timeout is non-zero
2249 when supplied timeout is also non-zero
2250
2251 (STABLE-1.2.0)
2252
2253 2006-12-05 Leon Woestenberg
2254 * CHANGELOG: Mention STABLE-1.2.0 release.
2255
2256 ++ New features:
2257
2258 2006-12-01 Christiaan Simons
2259 * mem.h, opt.h: Added MEM_LIBC_MALLOC option.
2260 Note this is a workaround. Currently I have no other options left.
2261
2262 2006-10-26 Christiaan Simons (accepted patch by Jonathan Larmour)
2263 * ipv4/ip_frag.c: rename MAX_MTU to IP_FRAG_MAX_MTU and move define
2264 to include/lwip/opt.h.
2265 * ipv4/lwip/ip_frag.h: Remove unused IP_REASS_INTERVAL.
2266 Move IP_REASS_MAXAGE and IP_REASS_BUFSIZE to include/lwip/opt.h.
2267 * opt.h: Add above new options.
2268
2269 2006-08-18 Christiaan Simons
2270 * tcp_{in,out}.c: added SNMP counters.
2271 * ipv4/ip.c: added SNMP counters.
2272 * ipv4/ip_frag.c: added SNMP counters.
2273
2274 2006-08-08 Christiaan Simons
2275 * etharp.{c,h}: added etharp_find_addr() to read
2276 (stable) ethernet/IP address pair from ARP table
2277
2278 2006-07-14 Christiaan Simons
2279 * mib_structs.c: added
2280 * include/lwip/snmp_structs.h: added
2281 * netif.{c,h}, netif/ethernetif.c: added SNMP statistics to netif struct
2282
2283 2006-07-06 Christiaan Simons
2284 * snmp/asn1_{enc,dec}.c added
2285 * snmp/mib2.c added
2286 * snmp/msg_{in,out}.c added
2287 * include/lwip/snmp_asn1.h added
2288 * include/lwip/snmp_msg.h added
2289 * doc/snmp_agent.txt added
2290
2291 2006-03-29 Christiaan Simons
2292 * inet.c, inet.h: Added platform byteswap support.
2293 Added LWIP_PLATFORM_BYTESWAP define (defaults to 0) and
2294 optional LWIP_PLATFORM_HTONS(), LWIP_PLATFORM_HTONL() macros.
2295
2296 ++ Bug fixes:
2297
2298 2006-11-30 Christiaan Simons
2299 * dhcp.c: Fixed false triggers of request_timeout.
2300
2301 2006-11-28 Christiaan Simons
2302 * netif.c: In netif_add() fixed missing clear of ip_addr, netmask, gw and flags.
2303
2304 2006-10-11 Christiaan Simons
2305 * api_lib.c etharp.c, ip.c, memp.c, stats.c, sys.{c,h} tcp.h:
2306 Partially accepted patch #5449 for ANSI C compatibility / build fixes.
2307 * ipv4/lwip/ip.h ipv6/lwip/ip.h: Corrected UDP-Lite protocol
2308 identifier from 170 to 136 (bug #17574).
2309
2310 2006-10-10 Christiaan Simons
2311 * api_msg.c: Fixed Nagle algorithm as reported by Bob Grice.
2312
2313 2006-08-17 Christiaan Simons
2314 * udp.c: Fixed bug #17200, added check for broadcast
2315 destinations for PCBs bound to a unicast address.
2316
2317 2006-08-07 Christiaan Simons
2318 * api_msg.c: Flushing TCP output in do_close() (bug #15926).
2319
2320 2006-06-27 Christiaan Simons
2321 * api_msg.c: Applied patch for cold case (bug #11135).
2322 In accept_function() ensure newconn->callback is always initialized.
2323
2324 2006-06-15 Christiaan Simons
2325 * mem.h: added MEM_SIZE_F alias to fix an ancient cold case (bug #1748),
2326 facilitate printing of mem_size_t and u16_t statistics.
2327
2328 2006-06-14 Christiaan Simons
2329 * api_msg.c: Applied patch #5146 to handle allocation failures
2330 in accept() by Kevin Lawson.
2331
2332 2006-05-26 Christiaan Simons
2333 * api_lib.c: Removed conn->sem creation and destruction
2334 from netconn_write() and added sys_sem_new to netconn_new_*.
2335
2336 (STABLE-1_1_1)
2337
2338 2006-03-03 Christiaan Simons
2339 * ipv4/ip_frag.c: Added bound-checking assertions on ip_reassbitmap
2340 access and added pbuf_alloc() return value checks.
2341
2342 2006-01-01 Leon Woestenberg <leon.woestenberg@gmx.net>
2343 * tcp_{in,out}.c, tcp_out.c: Removed 'even sndbuf' fix in TCP, which is
2344 now handled by the checksum routine properly.
2345
2346 2006-02-27 Leon Woestenberg <leon.woestenberg@gmx.net>
2347 * pbuf.c: Fix alignment; pbuf_init() would not work unless
2348 pbuf_pool_memory[] was properly aligned. (Patch by Curt McDowell.)
2349
2350 2005-12-20 Leon Woestenberg <leon.woestenberg@gmx.net>
2351 * tcp.c: Remove PCBs which stay in LAST_ACK state too long. Patch
2352 submitted by Mitrani Hiroshi.
2353
2354 2005-12-15 Christiaan Simons
2355 * inet.c: Disabled the added summing routine to preserve code space.
2356
2357 2005-12-14 Leon Woestenberg <leon.woestenberg@gmx.net>
2358 * tcp_in.c: Duplicate FIN ACK race condition fix by Kelvin Lawson.
2359 Added Curt McDowell's optimized checksumming routine for future
2360 inclusion. Need to create test case for unaliged, aligned, odd,
2361 even length combination of cases on various endianess machines.
2362
2363 2005-12-09 Christiaan Simons
2364 * inet.c: Rewrote standard checksum routine in proper portable C.
2365
2366 2005-11-25 Christiaan Simons
2367 * udp.c tcp.c: Removed SO_REUSE hack. Should reside in socket code only.
2368 * *.c: introduced cc.h LWIP_DEBUG formatters matching the u16_t, s16_t,
2369 u32_t, s32_t typedefs. This solves most debug word-length assumes.
2370
2371 2005-07-17 Leon Woestenberg <leon.woestenberg@gmx.net>
2372 * inet.c: Fixed unaligned 16-bit access in the standard checksum
2373 routine by Peter Jolasson.
2374 * slipif.c: Fixed implementation assumption of single-pbuf datagrams.
2375
2376 2005-02-04 Leon Woestenberg <leon.woestenberg@gmx.net>
2377 * tcp_out.c: Fixed uninitialized 'queue' referenced in memerr branch.
2378 * tcp_{out|in}.c: Applied patch fixing unaligned access.
2379
2380 2005-01-04 Leon Woestenberg <leon.woestenberg@gmx.net>
2381 * pbuf.c: Fixed missing semicolon after LWIP_DEBUG statement.
2382
2383 2005-01-03 Leon Woestenberg <leon.woestenberg@gmx.net>
2384 * udp.c: UDP pcb->recv() was called even when it was NULL.
2385
2386 (STABLE-1_1_0)
2387
2388 2004-12-28 Leon Woestenberg <leon.woestenberg@gmx.net>
2389 * etharp.*: Disabled multiple packets on the ARP queue.
2390 This clashes with TCP queueing.
2391
2392 2004-11-28 Leon Woestenberg <leon.woestenberg@gmx.net>
2393 * etharp.*: Fixed race condition from ARP request to ARP timeout.
2394 Halved the ARP period, doubled the period counts.
2395 ETHARP_MAX_PENDING now should be at least 2. This prevents
2396 the counter from reaching 0 right away (which would allow
2397 too little time for ARP responses to be received).
2398
2399 2004-11-25 Leon Woestenberg <leon.woestenberg@gmx.net>
2400 * dhcp.c: Decline messages were not multicast but unicast.
2401 * etharp.c: ETHARP_CREATE is renamed to ETHARP_TRY_HARD.
2402 Do not try hard to insert arbitrary packet's source address,
2403 etharp_ip_input() now calls etharp_update() without ETHARP_TRY_HARD.
2404 etharp_query() now always DOES call ETHARP_TRY_HARD so that users
2405 querying an address will see it appear in the cache (DHCP could
2406 suffer from this when a server invalidly gave an in-use address.)
2407 * ipv4/ip_addr.h: Renamed ip_addr_maskcmp() to _netcmp() as we are
2408 comparing network addresses (identifiers), not the network masks
2409 themselves.
2410 * ipv4/ip_addr.c: ip_addr_isbroadcast() now checks that the given
2411 IP address actually belongs to the network of the given interface.
2412
2413 2004-11-24 Kieran Mansley <kjm25@cam.ac.uk>
2414 * tcp.c: Increment pcb->snd_buf when ACK is received in SYN_SENT state.
2415
2416 (STABLE-1_1_0-RC1)
2417
2418 2004-10-16 Kieran Mansley <kjm25@cam.ac.uk>
2419 * tcp.c: Add code to tcp_recved() to send an ACK (window update) immediately,
2420 even if one is already pending, if the rcv_wnd is above a threshold
2421 (currently TCP_WND/2). This avoids waiting for a timer to expire to send a
2422 delayed ACK in order to open the window if the stack is only receiving data.
2423
2424 2004-09-12 Kieran Mansley <kjm25@cam.ac.uk>
2425 * tcp*.*: Retransmit time-out handling improvement by Sam Jansen.
2426
2427 2004-08-20 Tony Mountifield <tony@softins.co.uk>
2428 * etharp.c: Make sure the first pbuf queued on an ARP entry
2429 is properly ref counted.
2430
2431 2004-07-27 Tony Mountifield <tony@softins.co.uk>
2432 * debug.h: Added (int) cast in LWIP_DEBUGF() to avoid compiler
2433 warnings about comparison.
2434 * pbuf.c: Stopped compiler complaining of empty if statement
2435 when LWIP_DEBUGF() empty. Closed an unclosed comment.
2436 * tcp.c: Stopped compiler complaining of empty if statement
2437 when LWIP_DEBUGF() empty.
2438 * ip.h Corrected IPH_TOS() macro: returns a byte, so doesn't need htons().
2439 * inet.c: Added a couple of casts to quiet the compiler.
2440 No need to test isascii(c) before isdigit(c) or isxdigit(c).
2441
2442 2004-07-22 Tony Mountifield <tony@softins.co.uk>
2443 * inet.c: Made data types consistent in inet_ntoa().
2444 Added casts for return values of checksum routines, to pacify compiler.
2445 * ip_frag.c, tcp_out.c, sockets.c, pbuf.c
2446 Small corrections to some debugging statements, to pacify compiler.
2447
2448 2004-07-21 Tony Mountifield <tony@softins.co.uk>
2449 * etharp.c: Removed spurious semicolon and added missing end-of-comment.
2450 * ethernetif.c Updated low_level_output() to match prototype for
2451 netif->linkoutput and changed low_level_input() similarly for consistency.
2452 * api_msg.c: Changed recv_raw() from int to u8_t, to match prototype
2453 of raw_recv() in raw.h and so avoid compiler error.
2454 * sockets.c: Added trivial (int) cast to keep compiler happier.
2455 * ip.c, netif.c Changed debug statements to use the tidier ip4_addrN() macros.
2456
2457 (STABLE-1_0_0)
2458
2459 ++ Changes:
2460
2461 2004-07-05 Leon Woestenberg <leon.woestenberg@gmx.net>
2462 * sockets.*: Restructured LWIP_PRIVATE_TIMEVAL. Make sure
2463 your cc.h file defines this either 1 or 0. If non-defined,
2464 defaults to 1.
2465 * .c: Added <string.h> and <errno.h> includes where used.
2466 * etharp.c: Made some array indices unsigned.
2467
2468 2004-06-27 Leon Woestenberg <leon.woestenberg@gmx.net>
2469 * netif.*: Added netif_set_up()/down().
2470 * dhcp.c: Changes to restart program flow.
2471
2472 2004-05-07 Leon Woestenberg <leon.woestenberg@gmx.net>
2473 * etharp.c: In find_entry(), instead of a list traversal per candidate, do a
2474 single-pass lookup for different candidates. Should exploit locality.
2475
2476 2004-04-29 Leon Woestenberg <leon.woestenberg@gmx.net>
2477 * tcp*.c: Cleaned up source comment documentation for Doxygen processing.
2478 * opt.h: ETHARP_ALWAYS_INSERT option removed to comply with ARP RFC.
2479 * etharp.c: update_arp_entry() only adds new ARP entries when adviced to by
2480 the caller. This deprecates the ETHARP_ALWAYS_INSERT overrule option.
2481
2482 ++ Bug fixes:
2483
2484 2004-04-27 Leon Woestenberg <leon.woestenberg@gmx.net>
2485 * etharp.c: Applied patch of bug #8708 by Toni Mountifield with a solution
2486 suggested by Timmy Brolin. Fix for 32-bit processors that cannot access
2487 non-aligned 32-bit words, such as soms 32-bit TCP/IP header fields. Fix
2488 is to prefix the 14-bit Ethernet headers with two padding bytes.
2489
2490 2004-04-23 Leon Woestenberg <leon.woestenberg@gmx.net>
2491 * ip_addr.c: Fix in the ip_addr_isbroadcast() check.
2492 * etharp.c: Fixed the case where the packet that initiates the ARP request
2493 is not queued, and gets lost. Fixed the case where the packets destination
2494 address is already known; we now always queue the packet and perform an ARP
2495 request.
2496
2497 (STABLE-0_7_0)
2498
2499 ++ Bug fixes:
2500
2501 * Fixed TCP bug for SYN_SENT to ESTABLISHED state transition.
2502 * Fixed TCP bug in dequeueing of FIN from out of order segment queue.
2503 * Fixed two possible NULL references in rare cases.
2504
2505 (STABLE-0_6_6)
2506
2507 ++ Bug fixes:
2508
2509 * Fixed DHCP which did not include the IP address in DECLINE messages.
2510
2511 ++ Changes:
2512
2513 * etharp.c has been hauled over a bit.
2514
2515 (STABLE-0_6_5)
2516
2517 ++ Bug fixes:
2518
2519 * Fixed TCP bug induced by bad window resizing with unidirectional TCP traffic.
2520 * Packets sent from ARP queue had invalid source hardware address.
2521
2522 ++ Changes:
2523
2524 * Pass-by ARP requests do now update the cache.
2525
2526 ++ New features:
2527
2528 * No longer dependent on ctype.h.
2529 * New socket options.
2530 * Raw IP pcb support.
2531
2532 (STABLE-0_6_4)
2533
2534 ++ Bug fixes:
2535
2536 * Some debug formatters and casts fixed.
2537 * Numereous fixes in PPP.
2538
2539 ++ Changes:
2540
2541 * DEBUGF now is LWIP_DEBUGF
2542 * pbuf_dechain() has been re-enabled.
2543 * Mentioned the changed use of CVS branches in README.
2544
2545 (STABLE-0_6_3)
2546
2547 ++ Bug fixes:
2548
2549 * Fixed pool pbuf memory leak in pbuf_alloc().
2550 Occured if not enough PBUF_POOL pbufs for a packet pbuf chain.
2551 Reported by Savin Zlobec.
2552
2553 * PBUF_POOL chains had their tot_len field not set for non-first
2554 pbufs. Fixed in pbuf_alloc().
2555
2556 ++ New features:
2557
2558 * Added PPP stack contributed by Marc Boucher
2559
2560 ++ Changes:
2561
2562 * Now drops short packets for ICMP/UDP/TCP protocols. More robust.
2563
2564 * ARP queueuing now queues the latest packet instead of the first.
2565 This is the RFC recommended behaviour, but can be overridden in
2566 lwipopts.h.
2567
2568 (0.6.2)
2569
2570 ++ Bugfixes:
2571
2572 * TCP has been fixed to deal with the new use of the pbuf->ref
2573 counter.
2574
2575 * DHCP dhcp_inform() crash bug fixed.
2576
2577 ++ Changes:
2578
2579 * Removed pbuf_pool_free_cache and pbuf_pool_alloc_cache. Also removed
2580 pbuf_refresh(). This has sped up pbuf pool operations considerably.
2581 Implemented by David Haas.
2582
2583 (0.6.1)
2584
2585 ++ New features:
2586
2587 * The packet buffer implementation has been enhanced to support
2588 zero-copy and copy-on-demand for packet buffers which have their
2589 payloads in application-managed memory.
2590 Implemented by David Haas.
2591
2592 Use PBUF_REF to make a pbuf refer to RAM. lwIP will use zero-copy
2593 if an outgoing packet can be directly sent on the link, or perform
2594 a copy-on-demand when necessary.
2595
2596 The application can safely assume the packet is sent, and the RAM
2597 is available to the application directly after calling udp_send()
2598 or similar function.
2599
2600 ++ Bugfixes:
2601
2602 * ARP_QUEUEING should now correctly work for all cases, including
2603 PBUF_REF.
2604 Implemented by Leon Woestenberg.
2605
2606 ++ Changes:
2607
2608 * IP_ADDR_ANY is no longer a NULL pointer. Instead, it is a pointer
2609 to a '0.0.0.0' IP address.
2610
2611 * The packet buffer implementation is changed. The pbuf->ref counter
2612 meaning has changed, and several pbuf functions have been
2613 adapted accordingly.
2614
2615 * netif drivers have to be changed to set the hardware address length field
2616 that must be initialized correctly by the driver (hint: 6 for Ethernet MAC).
2617 See the contrib/ports/c16x cs8900 driver as a driver example.
2618
2619 * netif's have a dhcp field that must be initialized to NULL by the driver.
2620 See the contrib/ports/c16x cs8900 driver as a driver example.
2621
2622 (0.5.x) This file has been unmaintained up to 0.6.1. All changes are
2623 logged in CVS but have not been explained here.
2624
2625 (0.5.3) Changes since version 0.5.2
2626
2627 ++ Bugfixes:
2628
2629 * memp_malloc(MEMP_API_MSG) could fail with multiple application
2630 threads because it wasn't protected by semaphores.
2631
2632 ++ Other changes:
2633
2634 * struct ip_addr now packed.
2635
2636 * The name of the time variable in arp.c has been changed to ctime
2637 to avoid conflicts with the time() function.
2638
2639 (0.5.2) Changes since version 0.5.1
2640
2641 ++ New features:
2642
2643 * A new TCP function, tcp_tmr(), now handles both TCP timers.
2644
2645 ++ Bugfixes:
2646
2647 * A bug in tcp_parseopt() could cause the stack to hang because of a
2648 malformed TCP option.
2649
2650 * The address of new connections in the accept() function in the BSD
2651 socket library was not handled correctly.
2652
2653 * pbuf_dechain() did not update the ->tot_len field of the tail.
2654
2655 * Aborted TCP connections were not handled correctly in all
2656 situations.
2657
2658 ++ Other changes:
2659
2660 * All protocol header structs are now packed.
2661
2662 * The ->len field in the tcp_seg structure now counts the actual
2663 amount of data, and does not add one for SYN and FIN segments.
2664
2665 (0.5.1) Changes since version 0.5.0
2666
2667 ++ New features:
2668
2669 * Possible to run as a user process under Linux.
2670
2671 * Preliminary support for cross platform packed structs.
2672
2673 * ARP timer now implemented.
2674
2675 ++ Bugfixes:
2676
2677 * TCP output queue length was badly initialized when opening
2678 connections.
2679
2680 * TCP delayed ACKs were not sent correctly.
2681
2682 * Explicit initialization of BSS segment variables.
2683
2684 * read() in BSD socket library could drop data.
2685
2686 * Problems with memory alignment.
2687
2688 * Situations when all TCP buffers were used could lead to
2689 starvation.
2690
2691 * TCP MSS option wasn't parsed correctly.
2692
2693 * Problems with UDP checksum calculation.
2694
2695 * IP multicast address tests had endianess problems.
2696
2697 * ARP requests had wrong destination hardware address.
2698
2699 ++ Other changes:
2700
2701 * struct eth_addr changed from u16_t[3] array to u8_t[6].
2702
2703 * A ->linkoutput() member was added to struct netif.
2704
2705 * TCP and UDP ->dest_* struct members where changed to ->remote_*.
2706
2707 * ntoh* macros are now null definitions for big endian CPUs.
2708
2709 (0.5.0) Changes since version 0.4.2
2710
2711 ++ New features:
2712
2713 * Redesigned operating system emulation layer to make porting easier.
2714
2715 * Better control over TCP output buffers.
2716
2717 * Documenation added.
2718
2719 ++ Bugfixes:
2720
2721 * Locking issues in buffer management.
2722
2723 * Bugfixes in the sequential API.
2724
2725 * IP forwarding could cause memory leakage. This has been fixed.
2726
2727 ++ Other changes:
2728
2729 * Directory structure somewhat changed; the core/ tree has been
2730 collapsed.
2731
2732 (0.4.2) Changes since version 0.4.1
2733
2734 ++ New features:
2735
2736 * Experimental ARP implementation added.
2737
2738 * Skeleton Ethernet driver added.
2739
2740 * Experimental BSD socket API library added.
2741
2742 ++ Bugfixes:
2743
2744 * In very intense situations, memory leakage could occur. This has
2745 been fixed.
2746
2747 ++ Other changes:
2748
2749 * Variables named "data" and "code" have been renamed in order to
2750 avoid name conflicts in certain compilers.
2751
2752 * Variable++ have in appliciable cases been translated to ++variable
2753 since some compilers generate better code in the latter case.
2754
2755 (0.4.1) Changes since version 0.4
2756
2757 ++ New features:
2758
2759 * TCP: Connection attempts time out earlier than data
2760 transmissions. Nagle algorithm implemented. Push flag set on the
2761 last segment in a burst.
2762
2763 * UDP: experimental support for UDP-Lite extensions.
2764
2765 ++ Bugfixes:
2766
2767 * TCP: out of order segments were in some cases handled incorrectly,
2768 and this has now been fixed. Delayed acknowledgements was broken
2769 in 0.4, has now been fixed. Binding to an address that is in use
2770 now results in an error. Reset connections sometimes hung an
2771 application; this has been fixed.
2772
2773 * Checksum calculation sometimes failed for chained pbufs with odd
2774 lengths. This has been fixed.
2775
2776 * API: a lot of bug fixes in the API. The UDP API has been improved
2777 and tested. Error reporting and handling has been
2778 improved. Logical flaws and race conditions for incoming TCP
2779 connections has been found and removed.
2780
2781 * Memory manager: alignment issues. Reallocating memory sometimes
2782 failed, this has been fixed.
2783
2784 * Generic library: bcopy was flawed and has been fixed.
2785
2786 ++ Other changes:
2787
2788 * API: all datatypes has been changed from generic ones such as
2789 ints, to specified ones such as u16_t. Functions that return
2790 errors now have the correct type (err_t).
2791
2792 * General: A lot of code cleaned up and debugging code removed. Many
2793 portability issues have been fixed.
2794
2795 * The license was changed; the advertising clause was removed.
2796
2797 * C64 port added.
2798
2799 * Thanks: Huge thanks go to Dagan Galarneau, Horst Garnetzke, Petri
2800 Kosunen, Mikael Caleres, and Frits Wilmink for reporting and
2801 fixing bugs!
2802
2803 (0.4) Changes since version 0.3.1
2804
2805 * Memory management has been radically changed; instead of
2806 allocating memory from a shared heap, memory for objects that are
2807 rapidly allocated and deallocated is now kept in pools. Allocation
2808 and deallocation from those memory pools is very fast. The shared
2809 heap is still present but is used less frequently.
2810
2811 * The memory, memory pool, and packet buffer subsystems now support
2812 4-, 2-, or 1-byte alignment.
2813
2814 * "Out of memory" situations are handled in a more robust way.
2815
2816 * Stack usage has been reduced.
2817
2818 * Easier configuration of lwIP parameters such as memory usage,
2819 TTLs, statistics gathering, etc. All configuration parameters are
2820 now kept in a single header file "lwipopts.h".
2821
2822 * The directory structure has been changed slightly so that all
2823 architecture specific files are kept under the src/arch
2824 hierarchy.
2825
2826 * Error propagation has been improved, both in the protocol modules
2827 and in the API.
2828
2829 * The code for the RTXC architecture has been implemented, tested
2830 and put to use.
2831
2832 * Bugs have been found and corrected in the TCP, UDP, IP, API, and
2833 the Internet checksum modules.
2834
2835 * Bugs related to porting between a 32-bit and a 16-bit architecture
2836 have been found and corrected.
2837
2838 * The license has been changed slightly to conform more with the
2839 original BSD license, including the advertisement clause.
2840
2841 (0.3.1) Changes since version 0.3
2842
2843 * Fix of a fatal bug in the buffer management. Pbufs with allocated
2844 RAM never returned the RAM when the pbuf was deallocated.
2845
2846 * TCP congestion control, window updates and retransmissions did not
2847 work correctly. This has now been fixed.
2848
2849 * Bugfixes in the API.
2850
2851 (0.3) Changes since version 0.2
2852
2853 * New and improved directory structure. All include files are now
2854 kept in a dedicated include/ directory.
2855
2856 * The API now has proper error handling. A new function,
2857 netconn_err(), now returns an error code for the connection in
2858 case of errors.
2859
2860 * Improvements in the memory management subsystem. The system now
2861 keeps a pointer to the lowest free memory block. A new function,
2862 mem_malloc2() tries to allocate memory once, and if it fails tries
2863 to free some memory and retry the allocation.
2864
2865 * Much testing has been done with limited memory
2866 configurations. lwIP now does a better job when overloaded.
2867
2868 * Some bugfixes and improvements to the buffer (pbuf) subsystem.
2869
2870 * Many bugfixes in the TCP code:
2871
2872 - Fixed a bug in tcp_close().
2873
2874 - The TCP receive window was incorrectly closed when out of
2875 sequence segments was received. This has been fixed.
2876
2877 - Connections are now timed-out of the FIN-WAIT-2 state.
2878
2879 - The initial congestion window could in some cases be too
2880 large. This has been fixed.
2881
2882 - The retransmission queue could in some cases be screwed up. This
2883 has been fixed.
2884
2885 - TCP RST flag now handled correctly.
2886
2887 - Out of sequence data was in some cases never delivered to the
2888 application. This has been fixed.
2889
2890 - Retransmitted segments now contain the correct acknowledgment
2891 number and advertised window.
2892
2893 - TCP retransmission timeout backoffs are not correctly computed
2894 (ala BSD). After a number of retransmissions, TCP now gives up
2895 the connection.
2896
2897 * TCP connections now are kept on three lists, one for active
2898 connections, one for listening connections, and one for
2899 connections that are in TIME-WAIT. This greatly speeds up the fast
2900 timeout processing for sending delayed ACKs.
2901
2902 * TCP now provides proper feedback to the application when a
2903 connection has been successfully set up.
2904
2905 * More comments have been added to the code. The code has also been
2906 somewhat cleaned up.
2907
2908 (0.2) Initial public release.