5 * [Enter new changes just after this line - do not remove this line]
9 2012-03-25: Simon Goldschmidt (idea by Mason)
10 * posix/*: added posix-compatibility include files posix/netdb.h and posix/sys/socket.h
11 which are a simple wrapper to the correct lwIP include files.
13 2012-01-16: Simon Goldschmidt
14 * opt.h, icmp.c: Added option CHECKSUM_GEN_ICMP
16 2011-12-17: Simon Goldschmidt
17 * ip.h: implemented API functions to access so_options of IP pcbs (UDP, TCP, RAW)
20 2011-09-27: Simon Goldschmidt
21 * opt.h, tcp.c, tcp_in.c: Implemented limiting data on ooseq queue (task #9989)
22 (define TCP_OOSEQ_MAX_BYTES / TCP_OOSEQ_MAX_PBUFS in lwipopts.h)
24 2011-09-21: Simon Goldschmidt
25 * opt.h, api.h, api_lib.c, api_msg.h/.c, sockets.c: Implemented timeout on
26 send (TCP only, bug #33820)
28 2011-09-21: Simon Goldschmidt
29 * init.c: Converted runtime-sanity-checks into compile-time checks that can
30 be disabled (since runtime checks can often not be seen on embedded targets)
32 2011-09-11: Simon Goldschmidt
33 * ppp.h, ppp_impl.h: splitted ppp.h to an internal and external header file
34 to get a clear separation of which functions an application or port may use
37 2011-09-11: Simon Goldschmidt
38 * opt.h, tcp_impl.h, tcp.c, udp.h/.c: Added a config option to randomize
39 initial local TCP/UDP ports (so that different port ranges are used after
40 a reboot; bug #33818; this one added tcp_init/udp_init functions again)
42 2011-09-03: Simon Goldschmidt
43 * dhcp.c: DHCP uses LWIP_RAND() for xid's (bug #30302)
45 2011-08-24: Simon Goldschmidt
46 * opt.h, netif.h/.c: added netif remove callback (bug #32397)
48 2011-07-26: Simon Goldschmidt
49 * etharp.c: ETHARP_SUPPORT_VLAN: add support for an external VLAN filter
50 function instead of only checking for one VLAN (define ETHARP_VLAN_CHECK_FN)
52 2011-07-21: Simon Goldschmidt (patch by hanhui)
53 * ip4.c, etharp.c, pbuf.h: bug #33634 ip_forward() have a faulty behaviour:
54 Added pbuf flags to mark incoming packets as link-layer broadcast/multicast.
55 Also added code to allow ip_forward() to forward non-broadcast packets to
56 the input netif (set IP_FORWARD_ALLOW_TX_ON_RX_NETIF==1).
58 2011-07-21: Simon Goldschmidt
59 * sockets.c, opt.h: (bug #30185): added LWIP_FIONREAD_LINUXMODE that makes
60 ioctl/FIONREAD return the size of the next pending datagram.
62 2011-06-26: Simon Goldschmidt (patch by Cameron Gutman)
63 * tcp.c, tcp_out.c: bug #33604: added some more asserts to check that
66 2011-05-25: Simon Goldschmidt
67 * again nearly the whole stack, renamed ip.c to ip4.c, ip_addr.c to ip4_addr.c,
68 combined ipv4/ipv6 inet_chksum.c, added ip.h, ip_addr.h: Combined IPv4
69 and IPv6 code where possible, added defines to access IPv4/IPv6 in non-IP
70 code so that the code is more readable.
72 2011-05-17: Patch by Ivan Delamer (only checked in by Simon Goldschmidt)
73 * nearly the whole stack: Finally, we got decent IPv6 support, big thanks to
74 Ivan! (this is work in progress: we're just post release anyway :-)
76 2011-05-14: Simon Goldschmidt (patch by Stéphane Lesage)
77 * tcpip.c/.h: patch #7449 allow tcpip callback from interrupt with static
83 2013-01-11: Simon Goldschmidt
84 * raw.c: fixed bug #38066 Raw pcbs can alter packet without eating it
86 2012-09-26: Simon Goldschmidt
87 * api_msg.c: fixed bug #37405 'err_tcp()' uses already freed 'netconn' object
89 2012-09-26: patch by Henrik Persson
90 * dhcp.c: patch #7843 Fix corner case with dhcp timeouts
92 2012-09-26: patch by Henrik Persson
93 * dhcp.c: patch #7840 Segfault in dhcp_parse_reply if no end marker in dhcp packet
95 2012-08-22: Simon Goldschmidt
96 * memp.c: fixed bug #37166: memp_sanity check loops itself
98 2012-08-13: Simon Goldschmidt
99 * dhcp.c: fixed bug #36645: Calling dhcp_release before dhcp_start
102 2012-08-13: Simon Goldschmidt
103 * msg_out.c: fixed bug #36840 snmp_send_trap() NULL de-reference if traps
104 configured but no interfaces available
106 2012-08-13: Simon Goldschmidt
107 * dns.c: fixed bug #36899 DNS TTL 0 is cached for a long time
109 2012-05-11: Simon Goldschmidt (patch by Marty)
110 * memp.c: fixed bug #36412: memp.c does not compile when
111 MEMP_OVERFLOW_CHECK > zero and MEMP_SEPARATE_POOLS == 1
113 2012-05-08: Simon Goldschmidt
114 * tcp_out.c: fixed bug #36380: unsent_oversize mismatch in 1.4.1RC1 (this was
115 a debug-check issue only)
117 2012-05-03: Simon Goldschmidt (patch by Sylvain Rochet)
118 * ppp.c: fixed bug #36283 (PPP struct used on header size computation and
121 2012-05-03: Simon Goldschmidt (patch by David Empson)
122 * ppp.c: fixed bug #36388 (PPP: checksum-only in last pbuf leads to pbuf with
125 2012-03-27: Simon Goldschmidt
126 * vj.c: fixed bug #35756 header length calculation problem in ppp/vj.c
128 2012-03-27: Simon Goldschmidt (patch by Mason)
129 * tcp_out.c: fixed bug #35945: SYN packet should provide the recv MSS not the
132 2012-03-25: Simon Goldschmidt
133 * api_msg.c: Fixed bug #35817: do_connect() invalidly signals op_completed
134 for UDP/RAW with LWIP_TCPIP_CORE_LOCKING==1
136 2012-03-25: Simon Goldschmidt
137 * api_msg.h, api_lib.c, api_msg.c, netifapi.c: fixed bug #35931: Name space
138 pollution in api_msg.c and netifapi.c
140 2012-03-22: Simon Goldschmidt
141 * ip4.c: fixed bug #35927: missing refragmentaion in ip_forward
143 2012-03-20: Simon Goldschmidt (patch by Mason)
144 * netdb.c: fixed bug #35907: lwip_gethostbyname_r returns an invalid h_addr_list
146 2012-03-12: Simon Goldschmidt (patch by Bostjan Meglic)
147 * ppp.c: fixed bug #35809: PPP GetMask(): Compiler warning on big endian,
148 possible bug on little endian system
150 2012-02-23: Simon Goldschmidt
151 * etharp.c: fixed bug #35595: Impossible to send broadcast without a gateway
152 (introduced when fixing bug# 33551)
154 2012-02-16: Simon Goldschmidt
155 * ppp.c: fixed pbuf leak when PPP session is aborted through pppSigHUP()
156 (bug #35541: PPP Memory Leak)
158 2012-02-16: Simon Goldschmidt
159 * etharp.c: fixed bug #35531: Impossible to send multicast without a gateway
160 (introduced when fixing bug# 33551)
162 2012-02-16: Simon Goldschmidt (patch by Stéphane Lesage)
163 * msg_in.c, msg_out.c: fixed bug #35536 SNMP: error too big response is malformed
165 2012-02-15: Simon Goldschmidt
166 * init.c: fixed bug #35537: MEMP_NUM_* sanity checks should be disabled with
169 2012-02-12: Simon Goldschmidt
170 * tcp.h, tcp_in.c, tcp_out.c: partly fixed bug #25882: TCP hangs on
171 MSS > pcb->snd_wnd (by not creating segments bigger than half the window)
173 2012-02-11: Simon Goldschmidt
174 * tcp.c: fixed bug #35435: No pcb state check before adding it to time-wait
177 2012-01-22: Simon Goldschmidt
178 * tcp.c, tcp_in.c: fixed bug #35305: pcb may be freed too early on shutdown(WR)
180 2012-01-21: Simon Goldschmidt
181 * tcp.c: fixed bug #34636: FIN_WAIT_2 - Incorrect shutdown of TCP pcb
183 2012-01-20: Simon Goldschmidt
184 * dhcp.c: fixed bug #35151: DHCP asserts on incoming option lengths
186 2012-01-20: Simon Goldschmidt
187 * pbuf.c: fixed bug #35291: NULL pointer in pbuf_copy
189 2011-11-25: Simon Goldschmidt
190 * tcp.h/.c, tcp_impl.h, tcp_in.c: fixed bug #31177: tcp timers can corrupt
191 tcp_active_pcbs in some cases
193 2011-11-23: Simon Goldschmidt
194 * sys.c: fixed bug #34884: sys_msleep() body needs to be surrounded with
197 2011-11-22: Simon Goldschmidt
198 * netif.c, etharp.h/.c: fixed bug #34684: Clear the arp table cache when
199 netif is brought down
201 2011-10-28: Simon Goldschmidt
202 * tcp_in.c: fixed bug #34638: Dead code in tcp_receive - pcb->dupacks
204 2011-10-23: Simon Goldschmidt
205 * mem.c: fixed bug #34429: possible memory corruption with
206 LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT set to 1
208 2011-10-18: Simon Goldschmidt
209 * arch.h, netdb.c: fixed bug #34592: lwip_gethostbyname_r uses nonstandard
212 2011-10-18: Simon Goldschmidt
213 * opt.h: fixed default values of TCP_SNDLOWAT and TCP_SNDQUEUELOWAT for small
214 windows (bug #34176 select after non-blocking send times out)
216 2011-10-18: Simon Goldschmidt
217 * tcp_impl.h, tcp_out.c: fixed bug #34587: TCP_BUILD_MSS_OPTION doesn't
218 consider netif->mtu, causes slow network
220 2011-10-18: Simon Goldschmidt
221 * sockets.c: fixed bug #34581 missing parentheses in udplite sockets code
223 2011-10-18: Simon Goldschmidt
224 * sockets.h: fixed bug #34580 fcntl() is missing in LWIP_COMPAT_SOCKETS
226 2011-10-17: Simon Goldschmidt
227 * api_msg.c: fixed bug #34569: shutdown(SHUT_WR) crashes netconn/socket api
229 2011-10-13: Simon Goldschmidt
230 * tcp_in.c, tcp_out.c: fixed bug #34517 (persist timer is started although no
231 zero window is received) by starting the persist timer when a zero window is
232 received, not when we have more data queued for sending than fits into the
235 2011-10-13: Simon Goldschmidt
236 * def.h, timers.c: fixed bug #34541: LWIP_U32_DIFF is unnecessarily complex
238 2011-10-13: Simon Goldschmidt
239 * sockets.c, api_lib.c: fixed bug #34540: compiler error when CORE_LOCKING is
240 used and not all protocols are enabled
242 2011-10-12: Simon Goldschmidt
243 * pbuf.c: fixed bug #34534: Error in sending fragmented IP if MEM_ALIGNMENT > 4
245 2011-10-09: Simon Goldschmidt
246 * tcp_out.c: fixed bug #34426: tcp_zero_window_probe() transmits incorrect
247 byte value when pcb->unacked != NULL
249 2011-10-09: Simon Goldschmidt
250 * ip4.c: fixed bug #34447 LWIP_IP_ACCEPT_UDP_PORT(dst_port) wrong
252 2011-09-27: Simon Goldschmidt
253 * tcp_in.c, tcp_out.c: Reset pcb->unsent_oversize in 2 more places...
255 2011-09-27: Simon Goldschmidt
256 * tcp_in.c: fixed bug #28288: Data after FIN in oos queue
258 2011-09-27: Simon Goldschmidt
259 * dhcp.c: fixed bug #34406 dhcp_option_hostname() can overflow the pbuf
261 2011-09-24: Simon Goldschmidt
262 * mem.h: fixed bug #34377 MEM_SIZE_F is not defined if MEM_LIBC_MALLOC==1
264 2011-09-23: Simon Goldschmidt
265 * pbuf.h, tcp.c, tcp_in.c: fixed bug #33871: rejecting TCP_EVENT_RECV() for
266 the last packet including FIN can lose data
268 2011-09-22: Simon Goldschmidt
269 * tcp_impl.h: fixed bug #34355: nagle does not take snd_buf/snd_queuelen into
272 2011-09-21: Simon Goldschmidt
273 * opt.h: fixed default value of TCP_SND_BUF to not violate the sanity checks
276 2011-09-20: Simon Goldschmidt
277 * timers.c: fixed bug #34337 (possible NULL pointer in sys_check_timeouts)
279 2011-09-11: Simon Goldschmidt
280 * tcp_out.c: use pcb->mss instead of TCP_MSS for preallocate mss-sized pbufs
283 2011-09-09: Simon Goldschmidt
284 * udp.c: fixed bug #34072: UDP broadcast is received from wrong UDP pcb if
287 2011-09-03: Simon Goldschmidt
288 * tcp_in.c: fixed bug #33952 PUSH flag in incoming packet is lost when packet
289 is aggregated and sent to application
291 2011-09-01: Simon Goldschmidt
292 * opt.h: fixed bug #31809 LWIP_EVENT_API in opts.h is inconsistent compared
295 2011-09-01: Simon Goldschmidt
296 * tcp_in.c: fixed bug #34111 RST for ACK to listening pcb has wrong seqno
298 2011-08-24: Simon Goldschmidt
299 * inet6.h: fixed bug #34124 struct in6_addr does not conform to the standard
301 2011-08-24: Simon Goldschmidt
302 * api_msg.c, sockets.c: fixed bug #33956 Wrong error returned when calling
303 accept() on UDP connections
305 2011-08-24: Simon Goldschmidt
306 * sockets.h: fixed bug #34057 socklen_t should be a typedef
308 2011-08-24: Simon Goldschmidt
309 * pbuf.c: fixed bug #34112 Odd check in pbuf_alloced_custom (typo)
311 2011-08-24: Simon Goldschmidt
312 * dhcp.c: fixed bug #34122 dhcp: hostname can overflow
314 2011-08-24: Simon Goldschmidt
315 * netif.c: fixed bug #34121 netif_add/netif_set_ipaddr fail on NULL ipaddr
317 2011-08-22: Simon Goldschmidt
318 * tcp_out.c: fixed bug #33962 TF_FIN not always set after FIN is sent. (This
319 merely prevents nagle from not transmitting fast after closing.)
321 2011-07-22: Simon Goldschmidt
322 * api_lib.c, api_msg.c, sockets.c, api.h: fixed bug #31084 (socket API returns
323 always EMSGSIZE on non-blocking sockets if data size > send buffers) -> now
324 lwip_send() sends as much as possible for non-blocking sockets
326 2011-07-22: Simon Goldschmidt
327 * pbuf.c/.h, timers.c: freeing ooseq pbufs when the pbuf pool is empty implemented
328 for NO_SYS==1: when not using sys_check_timeouts(), call PBUF_CHECK_FREE_OOSEQ()
329 at regular intervals from main level.
331 2011-07-21: Simon Goldschmidt
332 * etharp.c: fixed bug #33551 (ARP entries may time out although in use) by
333 sending an ARP request when an ARP entry is used in the last minute before
336 2011-07-04: Simon Goldschmidt
337 * sys_arch.txt: Fixed documentation after changing sys arch prototypes for 1.4.0.
339 2011-06-26: Simon Goldschmidt
340 * tcp.c: fixed bug #31723 (tcp_kill_prio() kills pcbs with the same prio) by
341 updating its documentation only.
343 2011-06-26: Simon Goldschmidt
344 * mem.c: fixed bug #33545: With MEM_USE_POOLS==1, mem_malloc can return an
347 2011-06-26: Simon Goldschmidt
348 * mem.c: fixed bug #33544 "warning in mem.c in lwip 1.4.0 with NO_SYS=1"
356 2011-03-27: Simon Goldschmidt
357 * tcp_impl.h, tcp_in.c, tcp_out.c: Removed 'dataptr' from 'struct tcp_seg' and
358 calculate it in tcp_zero_window_probe (the only place where it was used).
360 2010-11-21: Simon Goldschmidt
361 * dhcp.c/.h: Added a function to deallocate the struct dhcp from a netif
364 2010-07-12: Simon Goldschmidt (patch by Stephane Lesage)
365 * ip.c, udp.c/.h, pbuf.h, sockets.c: task #10495: Added support for
366 IP_MULTICAST_LOOP at socket- and raw-API level.
368 2010-06-16: Simon Goldschmidt
369 * ip.c: Added an optional define (LWIP_IP_ACCEPT_UDP_PORT) that can allow
370 link-layer-addressed UDP traffic to be received while a netif is down (just
371 like DHCP during configuration)
373 2010-05-22: Simon Goldschmidt
374 * many many files: bug #27352: removed packing from ip_addr_t, the packed
375 version is now only used in protocol headers. Added global storage for
376 current src/dest IP address while in input functions.
378 2010-05-16: Simon Goldschmidt
379 * def.h: task #10391: Add preprocessor-macros for compile-time htonl
380 calculation (and use them throughout the stack where applicable)
382 2010-05-16: Simon Goldschmidt
383 * opt.h, memp_std.h, memp.c, ppp_oe.h/.c: PPPoE now uses its own MEMP pool
384 instead of the heap (moved struct pppoe_softc from ppp_oe.c to ppp_oe.h)
386 2010-05-16: Simon Goldschmidt
387 * opt.h, memp_std.h, dns.h/.c: DNS_LOCAL_HOSTLIST_IS_DYNAMIC uses its own
388 MEMP pool instead of the heap
390 2010-05-13: Simon Goldschmidt
391 * tcp.c, udp.c: task #6995: Implement SO_REUSEADDR (correctly), added
392 new option SO_REUSE_RXTOALL to pass received UDP broadcast/multicast
393 packets to more than one pcb.
395 2010-05-02: Simon Goldschmidt
396 * netbuf.h/.c, sockets.c, api_msg.c: use checksum-on-copy for sending
397 UDP data for LWIP_NETIF_TX_SINGLE_PBUF==1
399 2010-04-30: Simon Goldschmidt
400 * udp.h/.c, pbuf.h/.c: task #6849: added udp_send(_to/_if) functions that
401 take a precalculated checksum, added pbuf_fill_chksum() to copy data
402 into a pbuf and at the same time calculating the checksum for that data
404 2010-04-29: Simon Goldschmidt
405 * ip_addr.h, etharp.h/.c, autoip.c: Create overridable macros for copying
406 2-byte-aligned IP addresses and MAC addresses
408 2010-04-28: Patch by Bill Auerbach
409 * ip.c: Inline generating IP checksum to save a function call
411 2010-04-14: Simon Goldschmidt
412 * tcpip.h/.c, timers.c: Added an overridable define to get informed when the
413 tcpip_thread processes messages or timeouts to implement a watchdog.
415 2010-03-28: Simon Goldschmidt
416 * ip_frag.c: create a new (contiguous) PBUF_RAM for every outgoing
417 fragment if LWIP_NETIF_TX_SINGLE_PBUF==1
419 2010-03-27: Simon Goldschmidt
420 * etharp.c: Speedup TX by moving code from find_entry to etharp_output/
421 etharp_query to prevent unnecessary function calls (inspired by
424 2010-03-20: Simon Goldschmidt
425 * opt.h, tcpip.c/.h: Added an option to disable tcpip_(un)timeout code
426 since the linker cannot do this automatically to save space.
428 2010-03-20: Simon Goldschmidt
429 * opt.h, etharp.c/.h: Added support for static ARP table entries
431 2010-03-14: Simon Goldschmidt
432 * tcp_impl.h, tcp_out.c, inet_chksum.h/.c: task #6849: Calculate checksum
433 when creating TCP segments, not when (re-)transmitting them.
435 2010-03-07: Simon Goldschmidt
436 * sockets.c: bug #28775 (select/event_callback: only check select_cb_list
437 on change) plus use SYS_LIGHTWEIGHT_PROT to protect the select code.
438 This should speed up receiving data on sockets as the select code in
439 event_callback is only executed when select is waiting.
441 2010-03-06: Simon Goldschmidt
442 * tcp_out.c: task #7013 (Create option to have all packets delivered to
443 netif->output in one piece): Always copy to try to create single pbufs
446 2010-03-06: Simon Goldschmidt
447 * api.h, api_lib.c, sockets.c: task #10167 (sockets: speed up TCP recv
448 by not allocating a netbuf): added function netconn_recv_tcp_pbuf()
449 for tcp netconns to receive pbufs, not netbufs; use that function
452 2010-03-05: Jakob Ole Stoklundsen / Simon Goldschmidt
453 * opt.h, tcp.h, tcp_impl.h, tcp.c, tcp_in.c, tcp_out.c: task #7040:
454 Work on tcp_enqueue: Don't waste memory when chaining segments,
455 added option TCP_OVERSIZE to prevent creating many small pbufs when
456 calling tcp_write with many small blocks of data. Instead, pbufs are
457 allocated larger than needed and the space is used for later calls to
460 2010-02-21: Simon Goldschmidt
461 * stats.c/.h: Added const char* name to mem- and memp-stats for easier
464 2010-02-21: Simon Goldschmidt
465 * tcp.h (and usages), added tcp_impl.h: Splitted API and internal
466 implementation of tcp to make API usage cleare to application programmers
468 2010-02-14: Simon Goldschmidt/Stephane Lesage
469 * ip_addr.h: Improved some defines working on ip addresses, added faster
470 macro to copy addresses that cannot be NULL
472 2010-02-13: Simon Goldschmidt
473 * api.h, api_lib.c, api_msg.c, sockets.c: task #7865 (implement non-
474 blocking send operation)
476 2010-02-12: Simon Goldschmidt
477 * sockets.c/.h: Added a minimal version of posix fctl() to have a
478 standardised way to set O_NONBLOCK for nonblocking sockets.
480 2010-02-12: Simon Goldschmidt
481 * dhcp.c/.h, autoip.c/.h: task #10139 (Prefer statically allocated
482 memory): added autoip_set_struct() and dhcp_set_struct() to let autoip
483 and dhcp work with user-allocated structs instead of callin mem_malloc
485 2010-02-12: Simon Goldschmidt/Jeff Barber
486 * tcp.c/h: patch #6865 (SO_REUSEADDR for TCP): if pcb.so_options has
487 SOF_REUSEADDR set, allow binding to endpoint in TIME_WAIT
489 2010-02-12: Simon Goldschmidt
490 * sys layer: task #10139 (Prefer statically allocated memory): converted
491 mbox and semaphore functions to take pointers to sys_mbox_t/sys_sem_t;
492 converted sys_mbox_new/sys_sem_new to take pointers and return err_t;
493 task #7212: Add Mutex concept in sys_arch (define LWIP_COMPAT_MUTEX
494 to let sys.h use binary semaphores instead of mutexes - as before)
496 2010-02-09: Simon Goldschmidt (Simon Kallweit)
497 * timers.c/.h: Added function sys_restart_timeouts() from patch #7085
498 (Restart system timeout handling)
500 2010-02-09: Simon Goldschmidt
501 * netif.c/.h, removed loopif.c/.h: task #10153 (Integrate loopif into
502 netif.c) - loopif does not have to be created by the port any more,
503 just define LWIP_HAVE_LOOPIF to 1.
505 2010-02-08: Simon Goldschmidt
506 * inet.h, ip_addr.c/.h: Added reentrant versions of inet_ntoa/ipaddr_ntoa
507 inet_ntoa_r/ipaddr_ntoa_r
509 2010-02-08: Simon Goldschmidt
510 * netif.h: Added netif_s/get_igmp_mac_filter() macros
512 2010-02-05: Simon Goldschmidt
513 * netif.h: Added function-like macros to get/set the hostname on a netif
515 2010-02-04: Simon Goldschmidt
516 * nearly every file: Replaced struct ip_addr by typedef ip_addr_t to
517 make changing the actual implementation behind the typedef easier.
519 2010-02-01: Simon Goldschmidt
520 * opt.h, memp_std.h, dns.h, netdb.c, memp.c: Let netdb use a memp pool
521 for allocating memory when getaddrinfo() is called.
523 2010-01-31: Simon Goldschmidt
524 * dhcp.h, dhcp.c: Reworked the code that parses DHCP options: parse
525 them once instead of parsing for every option. This also removes
526 the need for mem_malloc from dhcp_recv and makes it possible to
527 correctly retrieve the BOOTP file.
529 2010-01-30: simon Goldschmidt
530 * sockets.c: Use SYS_LIGHTWEIGHT_PROT instead of a semaphore to protect
533 2010-01-29: Simon Goldschmidt (patch by Laura Garrett)
534 * api.h, api_msg.c, sockets.c: Added except set support in select
537 2010-01-29: Simon Goldschmidt (patch by Laura Garrett)
538 * api.h, sockets.h, err.h, api_lib.c, api_msg.c, sockets.c, err.c:
539 Add non-blocking support for connect (partly from patch #6860),
540 plus many cleanups in socket & netconn API.
542 2010-01-27: Simon Goldschmidt
543 * opt.h, tcp.h, init.c, api_msg.c: Added TCP_SNDQUEUELOWAT corresponding
544 to TCP_SNDLOWAT and added tcp_sndqueuelen() - this fixes bug #28605
546 2010-01-26: Simon Goldschmidt
547 * snmp: Use memp pools for snmp instead of the heap; added 4 new pools.
549 2010-01-14: Simon Goldschmidt
550 * ppp.c/.h: Fixed bug #27856: PPP: Set netif link- and status-callback
551 by adding ppp_set_netif_statuscallback()/ppp_set_netif_linkcallback()
553 2010-01-13: Simon Goldschmidt
554 * mem.c: The heap now may be moved to user-defined memory by defining
555 LWIP_RAM_HEAP_POINTER as a void pointer to that memory's address
556 (patch #6966 and bug #26133)
558 2010-01-10: Simon Goldschmidt (Bill Auerbach)
559 * opt.h, memp.c: patch #6822 (Add option to place memory pools in
562 2010-01-10: Simon Goldschmidt
563 * init.c, igmp.c: patch #6463 (IGMP - Adding Random Delay): added define
564 LWIP_RAND() for lwip-wide randomization (to be defined in cc.h)
566 2009-12-31: Simon Goldschmidt
567 * tcpip.c, init.c, memp.c, sys.c, memp_std.h, sys.h, tcpip.h
568 added timers.c/.h: Separated timer implementation from semaphore/mbox
569 implementation, moved timer implementation to timers.c/.h, timers are
570 now only called from tcpip_thread or by explicitly checking them.
573 2009-12-27: Simon Goldschmidt
574 * opt.h, etharp.h/.c, init.c, tcpip.c: Added an additional option
575 LWIP_ETHERNET to support ethernet without ARP (necessary for pure PPPoE)
580 2011-04-20: Simon Goldschmidt
581 * sys_arch.txt: sys_arch_timeouts() is not needed any more.
583 2011-04-13: Simon Goldschmidt
584 * tcp.c, udp.c: Fixed bug #33048 (Bad range for IP source port numbers) by
585 using ports in the IANA private/dynamic range (49152 through 65535).
587 2011-03-29: Simon Goldschmidt, patch by Emil Lhungdahl:
588 * etharp.h/.c: Fixed broken VLAN support.
590 2011-03-27: Simon Goldschmidt
591 * tcp.c: Fixed bug #32926 (TCP_RMV(&tcp_bound_pcbs) is called on unbound tcp
592 pcbs) by checking if the pcb was bound (local_port != 0).
594 2011-03-27: Simon Goldschmidt
595 * ppp.c: Fixed bug #32280 (ppp: a pbuf is freed twice)
597 2011-03-27: Simon Goldschmidt
598 * sockets.c: Fixed bug #32906: lwip_connect+lwip_send did not work for udp and
599 raw pcbs with LWIP_TCPIP_CORE_LOCKING==1.
601 2011-03-27: Simon Goldschmidt
602 * tcp_out.c: Fixed bug #32820 (Outgoing TCP connections created before route
603 is present never times out) by starting retransmission timer before checking
606 2011-03-22: Simon Goldschmidt
607 * ppp.c: Fixed bug #32648 (PPP code crashes when terminating a link) by only
608 calling sio_read_abort() if the file descriptor is valid.
610 2011-03-14: Simon Goldschmidt
611 * err.h/.c, sockets.c, api_msg.c: fixed bug #31748 (Calling non-blocking connect
612 more than once can render a socket useless) since it mainly involves changing
613 "FATAL" classification of error codes: ERR_USE and ERR_ISCONN just aren't fatal.
615 2011-03-13: Simon Goldschmidt
616 * sockets.c: fixed bug #32769 (ESHUTDOWN is linux-specific) by fixing
617 err_to_errno_table (ERR_CLSD: ENOTCONN instead of ESHUTDOWN), ERR_ISCONN:
618 use EALRADY instead of -1
620 2011-03-13: Simon Goldschmidt
621 * api_lib.c: netconn_accept: return ERR_ABRT instead of ERR_CLSD if the
622 connection has been aborted by err_tcp (since this is not a normal closing
625 2011-03-13: Simon Goldschmidt
626 * tcp.c: tcp_bind: return ERR_VAL instead of ERR_ISCONN when trying to bind
627 with pcb->state != CLOSED
629 2011-02-17: Simon Goldschmidt
630 * rawapi.txt: Fixed bug #32561 tcp_poll argument definition out-of-order in
633 2011-02-17: Simon Goldschmidt
634 * many files: Added missing U/UL modifiers to fix 16-bit-arch portability.
636 2011-01-24: Simon Goldschmidt
637 * sockets.c: Fixed bug #31741: lwip_select seems to have threading problems
639 2010-12-02: Simon Goldschmidt
640 * err.h: Fixed ERR_IS_FATAL so that ERR_WOULDBLOCK is not fatal.
642 2010-11-23: Simon Goldschmidt
643 * api.h, api_lib.c, api_msg.c, sockets.c: netconn.recv_avail is only used for
644 LWIP_SO_RCVBUF and ioctl/FIONREAD.
646 2010-11-23: Simon Goldschmidt
647 * etharp.c: Fixed bug #31720: ARP-queueing: RFC 1122 recommends to queue at
648 least 1 packet -> ARP_QUEUEING==0 now queues the most recent packet.
650 2010-11-23: Simon Goldschmidt
651 * tcp_in.c: Fixed bug #30577: tcp_input: don't discard ACK-only packets after
652 refusing 'refused_data' again.
654 2010-11-22: Simon Goldschmidt
655 * sockets.c: Fixed bug #31590: getsockopt(... SO_ERROR ...) gives EINPROGRESS
656 after a successful nonblocking connection.
658 2010-11-22: Simon Goldschmidt
659 * etharp.c: Fixed bug #31722: IP packets sent with an AutoIP source addr
660 must be sent link-local
662 2010-11-22: Simon Goldschmidt
663 * timers.c: patch #7329: tcp_timer_needed prototype was ifdef'ed out for
666 2010-11-20: Simon Goldschmidt
667 * sockets.c: Fixed bug #31170: lwip_setsockopt() does not set socket number
669 2010-11-20: Simon Goldschmidt
670 * sockets.h: Fixed bug #31304: Changed SHUT_RD, SHUT_WR and SHUT_RDWR to
671 resemble other stacks.
673 2010-11-20: Simon Goldschmidt
674 * dns.c: Fixed bug #31535: TCP_SND_QUEUELEN must be at least 2 or else
675 no-copy TCP writes will never succeed.
677 2010-11-20: Simon Goldschmidt
678 * dns.c: Fixed bug #31701: Error return value from dns_gethostbyname() does
679 not match documentation: return ERR_ARG instead of ERR_VAL if not
680 initialized or wrong argument.
682 2010-10-20: Simon Goldschmidt
683 * sockets.h: Fixed bug #31385: sizeof(struct sockaddr) is 30 but should be 16
685 2010-10-05: Simon Goldschmidt
686 * dhcp.c: Once again fixed #30038: DHCP/AutoIP cooperation failed when
687 replugging the network cable after an AutoIP address was assigned.
689 2010-08-10: Simon Goldschmidt
690 * tcp.c: Fixed bug #30728: tcp_new_port() did not check listen pcbs
692 2010-08-03: Simon Goldschmidt
693 * udp.c, raw.c: Don't chain empty pbufs when sending them (fixes bug #30625)
695 2010-08-01: Simon Goldschmidt (patch by Greg Renda)
696 * ppp.c: Applied patch #7264 (PPP protocols are rejected incorrectly on big
697 endian architectures)
699 2010-07-28: Simon Goldschmidt
700 * api_lib.c, api_msg.c, sockets.c, mib2.c: Fixed compilation with TCP or UDP
703 2010-07-27: Simon Goldschmidt
704 * tcp.c: Fixed bug #30565 (tcp_connect() check bound list): that check did no
705 harm but never did anything
707 2010-07-21: Simon Goldschmidt
708 * ip.c: Fixed invalid fix for bug #30402 (CHECKSUM_GEN_IP_INLINE does not
711 2010-07-16: Kieran Mansley
712 * msg_in.c: Fixed SNMP ASN constant defines to not use ! operator
714 2010-07-10: Simon Goldschmidt
715 * ip.c: Fixed bug #30402: CHECKSUM_GEN_IP_INLINE does not add IP options
717 2010-06-30: Simon Goldschmidt
718 * api_msg.c: fixed bug #30300 (shutdown parameter was not initialized in
721 2010-06-28: Kieran Mansley
722 * timers.c remove unportable printing of C function pointers
724 2010-06-24: Simon Goldschmidt
725 * init.c, timers.c/.h, opt.h, memp_std.h: From patch #7221: added flag
726 NO_SYS_NO_TIMERS to drop timer support for NO_SYS==1 for easier upgrading
728 2010-06-24: Simon Goldschmidt
729 * api(_lib).c/.h, api_msg.c/.h, sockets.c/.h: Fixed bug #10088: Correctly
730 implemented shutdown at socket level.
732 2010-06-21: Simon Goldschmidt
733 * pbuf.c/.h, ip_frag.c/.h, opt.h, memp_std.h: Fixed bug #29361 (ip_frag has
734 problems with zero-copy DMA MACs) by adding custom pbufs and implementing
735 custom pbufs that reference other (original) pbufs. Additionally set
736 IP_FRAG_USES_STATIC_BUF=0 as default to be on the safe side.
738 2010-06-15: Simon Goldschmidt
739 * dhcp.c: Fixed bug #29970: DHCP endian issue parsing option responses
741 2010-06-14: Simon Goldschmidt
742 * autoip.c: Fixed bug #30039: AutoIP does not reuse previous addresses
744 2010-06-12: Simon Goldschmidt
745 * dhcp.c: Fixed bug #30038: dhcp_network_changed doesn't reset AUTOIP coop
748 2010-05-17: Simon Goldschmidt
749 * netdb.c: Correctly NULL-terminate h_addr_list
751 2010-05-16: Simon Goldschmidt
752 * def.h/.c: changed the semantics of LWIP_PREFIX_BYTEORDER_FUNCS to prevent
753 "symbol already defined" i.e. when linking to winsock
755 2010-05-05: Simon Goldschmidt
756 * def.h, timers.c: Fixed bug #29769 (sys_check_timeouts: sys_now() may
759 2010-04-21: Simon Goldschmidt
760 * api_msg.c: Fixed bug #29617 (sometime cause stall on delete listening
763 2010-03-28: Luca Ceresoli
764 * ip_addr.c/.h: patch #7143: Add a few missing const qualifiers
766 2010-03-27: Luca Ceresoli
767 * mib2.c: patch #7130: remove meaningless const qualifiers
769 2010-03-26: Simon Goldschmidt
770 * tcp_out.c: Make LWIP_NETIF_TX_SINGLE_PBUF work for TCP, too
772 2010-03-26: Simon Goldschmidt
773 * various files: Fixed compiling with different options disabled (TCP/UDP),
774 triggered by bug #29345; don't allocate acceptmbox if LWIP_TCP is disabled
776 2010-03-25: Simon Goldschmidt
777 * sockets.c: Fixed bug #29332: lwip_select() processes readset incorrectly
779 2010-03-25: Simon Goldschmidt
780 * tcp_in.c, test_tcp_oos.c: Fixed bug #29080: Correctly handle remote side
781 overrunning our rcv_wnd in ooseq case.
783 2010-03-22: Simon Goldschmidt
784 * tcp.c: tcp_listen() did not copy the pcb's prio.
786 2010-03-19: Simon Goldschmidt
787 * snmp_msg.c: Fixed bug #29256: SNMP Trap address was not correctly set
789 2010-03-14: Simon Goldschmidt
790 * opt.h, etharp.h: Fixed bug #29148 (Incorrect PBUF_POOL_BUFSIZE for ports
791 where ETH_PAD_SIZE > 0) by moving definition of ETH_PAD_SIZE to opt.h
792 and basing PBUF_LINK_HLEN on it.
794 2010-03-08: Simon Goldschmidt
795 * netif.c, ipv4/ip.c: task #10241 (AutoIP: don't break existing connections
796 when assiging routable address): when checking incoming packets and
797 aborting existing connection on address change, filter out link-local
800 2010-03-06: Simon Goldschmidt
801 * sockets.c: Fixed LWIP_NETIF_TX_SINGLE_PBUF for LWIP_TCPIP_CORE_LOCKING
803 2010-03-06: Simon Goldschmidt
804 * ipv4/ip.c: Don't try to forward link-local addresses
806 2010-03-06: Simon Goldschmidt
807 * etharp.c: Fixed bug #29087: etharp: don't send packets for LinkLocal-
810 2010-03-05: Simon Goldschmidt
811 * dhcp.c: Fixed bug #29072: Correctly set ciaddr based on message-type
814 2010-03-05: Simon Goldschmidt
815 * api_msg.c: Correctly set TCP_WRITE_FLAG_MORE when netconn_write is split
816 into multiple calls to tcp_write.
818 2010-02-21: Simon Goldschmidt
819 * opt.h, mem.h, dns.c: task #10140: Remove DNS_USES_STATIC_BUF (keep
820 the implementation of DNS_USES_STATIC_BUF==1)
822 2010-02-20: Simon Goldschmidt
823 * tcp.h, tcp.c, tcp_in.c, tcp_out.c: Task #10088: Correctly implement
824 close() vs. shutdown(). Now the application does not get any more
825 recv callbacks after calling tcp_close(). Added tcp_shutdown().
827 2010-02-19: Simon Goldschmidt
828 * mem.c/.h, pbuf.c: Renamed mem_realloc() to mem_trim() to prevent
829 confusion with realloc()
831 2010-02-15: Simon Goldschmidt/Stephane Lesage
832 * netif.c/.h: Link status does not depend on LWIP_NETIF_LINK_CALLBACK
835 2010-02-14: Simon Goldschmidt
836 * netif.c: Fixed bug #28877 (Duplicate ARP gratuitous packet with
837 LWIP_NETIF_LINK_CALLBACK set on) by only sending if both link- and
838 admin-status of a netif are up
840 2010-02-14: Simon Goldschmidt
841 * opt.h: Disable ETHARP_TRUST_IP_MAC by default since it slows down packet
842 reception and is not really necessary
844 2010-02-14: Simon Goldschmidt
845 * etharp.c/.h: Fixed ARP input processing: only add a new entry if a
846 request was directed as us (RFC 826, Packet Reception), otherwise
847 only update existing entries; internalized some functions
849 2010-02-14: Simon Goldschmidt
850 * netif.h, etharp.c, tcpip.c: Fixed bug #28183 (ARP and TCP/IP cannot be
851 disabled on netif used for PPPoE) by adding a new netif flag
852 (NETIF_FLAG_ETHERNET) that tells the stack the device is an ethernet
853 device but prevents usage of ARP (so that ethernet_input can be used
856 2010-02-12: Simon Goldschmidt
857 * netif.c: netif_set_link_up/down: only do something if the link state
860 2010-02-12: Simon Goldschmidt/Stephane Lesage
861 * api_msg.c: Fixed bug #28865 (Cannot close socket/netconn in non-blocking
864 2010-02-12: Simon Goldschmidt
865 * mem.h: Fixed bug #28866 (mem_realloc function defined in mem.h)
867 2010-02-09: Simon Goldschmidt
868 * api_lib.c, api_msg.c, sockets.c, api.h, api_msg.h: Fixed bug #22110
869 (recv() makes receive window update for data that wasn't received by
872 2010-02-09: Simon Goldschmidt/Stephane Lesage
873 * sockets.c: Fixed bug #28853 (lwip_recvfrom() returns 0 on receive time-out
874 or any netconn_recv() error)
876 2010-02-09: Simon Goldschmidt
877 * ppp.c: task #10154 (PPP: Update snmp in/out counters for tx/rx packets)
879 2010-02-09: Simon Goldschmidt
880 * netif.c: For loopback packets, adjust the stats- and snmp-counters
881 for the loopback netif.
883 2010-02-08: Simon Goldschmidt
884 * igmp.c/.h, ip.h: Moved most defines from igmp.h to igmp.c for clarity
885 since they are not used anywhere else.
887 2010-02-08: Simon Goldschmidt (Stéphane Lesage)
888 * igmp.c, igmp.h, stats.c, stats.h: Improved IGMP stats
889 (patch from bug #28798)
891 2010-02-08: Simon Goldschmidt (Stéphane Lesage)
892 * igmp.c: Fixed bug #28798 (Error in "Max Response Time" processing) and
893 another bug when LWIP_RAND() returns zero.
895 2010-02-04: Simon Goldschmidt
896 * nearly every file: Use macros defined in ip_addr.h (some of them new)
897 to work with IP addresses (preparation for bug #27352 - Change ip_addr
898 from struct to typedef (u32_t) - and better code).
900 2010-01-31: Simon Goldschmidt
901 * netif.c: Don't call the link-callback from netif_set_up/down() since
902 this invalidly retriggers DHCP.
904 2010-01-29: Simon Goldschmidt
905 * ip_addr.h, inet.h, def.h, inet.c, def.c, more: Cleanly separate the
906 portability file inet.h and its contents from the stack: moved htonX-
907 functions to def.h (and the new def.c - they are not ipv4 dependent),
908 let inet.h depend on ip_addr.h and not the other way round.
909 This fixes bug #28732.
911 2010-01-28: Kieran Mansley
912 * tcp.c: Ensure ssthresh >= 2*MSS
914 2010-01-27: Simon Goldschmidt
915 * tcp.h, tcp.c, tcp_in.c: Fixed bug #27871: Calling tcp_abort() in recv
916 callback can lead to accessing unallocated memory. As a consequence,
917 ERR_ABRT means the application has called tcp_abort()!
919 2010-01-25: Simon Goldschmidt
920 * snmp_structs.h, msg_in.c: Partly fixed bug #22070 (MIB_OBJECT_WRITE_ONLY
921 not implemented in SNMP): write-only or not-accessible are still
922 returned by getnext (though not by get)
924 2010-01-24: Simon Goldschmidt
925 * snmp: Renamed the private mib node from 'private' to 'mib_private' to
926 not use reserved C/C++ keywords
928 2010-01-23: Simon Goldschmidt
929 * sockets.c: Fixed bug #28716: select() returns 0 after waiting for less
932 2010-01-21: Simon Goldschmidt
933 * tcp.c, api_msg.c: Fixed bug #28651 (tcp_connect: no callbacks called
934 if tcp_enqueue fails) both in raw- and netconn-API
936 2010-01-19: Simon Goldschmidt
937 * api_msg.c: Fixed bug #27316: netconn: Possible deadlock in err_tcp
939 2010-01-18: Iordan Neshev/Simon Goldschmidt
940 * src/netif/ppp: reorganised PPP sourcecode to 2.3.11 including some
941 bugfix backports from 2.4.x.
943 2010-01-18: Simon Goldschmidt
944 * mem.c: Fixed bug #28679: mem_realloc calculates mem_stats wrong
946 2010-01-17: Simon Goldschmidt
947 * api_lib.c, api_msg.c, (api_msg.h, api.h, sockets.c, tcpip.c):
948 task #10102: "netconn: clean up conn->err threading issues" by adding
949 error return value to struct api_msg_msg
951 2010-01-17: Simon Goldschmidt
952 * api.h, api_lib.c, sockets.c: Changed netconn_recv() and netconn_accept()
953 to return err_t (bugs #27709 and #28087)
955 2010-01-14: Simon Goldschmidt
956 * ...: Use typedef for function prototypes throughout the stack.
958 2010-01-13: Simon Goldschmidt
959 * api_msg.h/.c, api_lib.c: Fixed bug #26672 (close connection when receive
960 window = 0) by correctly draining recvmbox/acceptmbox
962 2010-01-11: Simon Goldschmidt
963 * pap.c: Fixed bug #13315 (PPP PAP authentication can result in
964 erroneous callbacks) by copying the code from recent pppd
966 2010-01-10: Simon Goldschmidt
967 * raw.c: Fixed bug #28506 (raw_bind should filter received packets)
969 2010-01-10: Simon Goldschmidt
970 * tcp.h/.c: bug #28127 (remove call to tcp_output() from tcp_ack(_now)())
972 2010-01-08: Simon Goldschmidt
973 * sockets.c: Fixed bug #28519 (lwip_recvfrom bug with len > 65535)
975 2010-01-08: Simon Goldschmidt
976 * dns.c: Copy hostname for DNS_LOCAL_HOSTLIST_IS_DYNAMIC==1 since string
977 passed to dns_local_addhost() might be volatile
979 2010-01-07: Simon Goldschmidt
980 * timers.c, tcp.h: Call tcp_timer_needed() with NO_SYS==1, too
982 2010-01-06: Simon Goldschmidt
983 * netdb.h: Fixed bug #28496: missing include guards in netdb.h
985 2009-12-31: Simon Goldschmidt
986 * many ppp files: Reorganised PPP source code from ucip structure to pppd
987 structure to easily compare our code against the pppd code (around v2.3.1)
989 2009-12-27: Simon Goldschmidt
990 * tcp_in.c: Another fix for bug #28241 (ooseq processing) and adapted
998 2009-10-27 Simon Goldschmidt/Stephan Lesage
999 * netifapi.c/.h: Added netifapi_netif_set_addr()
1001 2009-10-07 Simon Goldschmidt/Fabian Koch
1002 * api_msg.c, netbuf.c/.h, opt.h: patch #6888: Patch for UDP Netbufs to
1003 support dest-addr and dest-port (optional: LWIP_NETBUF_RECVINFO)
1005 2009-08-26 Simon Goldschmidt/Simon Kallweit
1006 * slipif.c/.h: bug #26397: SLIP polling support
1008 2009-08-25 Simon Goldschmidt
1009 * opt.h, etharp.h/.c: task #9033: Support IEEE 802.1q tagged frame (VLAN),
1010 New configuration options ETHARP_SUPPORT_VLAN and ETHARP_VLAN_CHECK.
1012 2009-08-25 Simon Goldschmidt
1013 * ip_addr.h, netdb.c: patch #6900: added define ip_ntoa(struct ip_addr*)
1015 2009-08-24 Jakob Stoklund Olesen
1016 * autoip.c, dhcp.c, netif.c: patch #6725: Teach AutoIP and DHCP to respond
1017 to netif_set_link_up().
1019 2009-08-23 Simon Goldschmidt
1020 * tcp.h/.c: Added function tcp_debug_state_str() to convert a tcp state
1021 to a human-readable string.
1025 2009-12-24: Kieran Mansley
1026 * tcp_in.c Apply patches from Oleg Tyshev to improve OOS processing
1029 2009-12-06: Simon Goldschmidt
1030 * ppp.h/.c: Fixed bug #27079 (Yet another leak in PPP): outpacket_buf can
1031 be statically allocated (like in ucip)
1033 2009-12-04: Simon Goldschmidt (patch by Ioardan Neshev)
1034 * pap.c: patch #6969: PPP: missing PAP authentication UNTIMEOUT
1036 2009-12-03: Simon Goldschmidt
1037 * tcp.h, tcp_in.c, tcp_out.c: Fixed bug #28106: dup ack for fast retransmit
1038 could have non-zero length
1040 2009-12-02: Simon Goldschmidt
1041 * tcp_in.c: Fixed bug #27904: TCP sends too many ACKs: delay resetting
1042 tcp_input_pcb until after calling the pcb's callbacks
1044 2009-11-29: Simon Goldschmidt
1045 * tcp_in.c: Fixed bug #28054: Two segments with FIN flag on the out-of-
1046 sequence queue, also fixed PBUF_POOL leak in the out-of-sequence code
1048 2009-11-29: Simon Goldschmidt
1049 * pbuf.c: Fixed bug #28064: pbuf_alloc(PBUF_POOL) is not thread-safe by
1050 queueing a call into tcpip_thread to free ooseq-bufs if the pool is empty
1052 2009-11-26: Simon Goldschmidt
1053 * tcp.h: Fixed bug #28098: Nagle can prevent fast retransmit from sending
1056 2009-11-26: Simon Goldschmidt
1057 * tcp.h, sockets.c: Fixed bug #28099: API required to disable Nagle
1058 algorithm at PCB level
1060 2009-11-22: Simon Goldschmidt
1061 * tcp_out.c: Fixed bug #27905: FIN isn't combined with data on unsent
1063 2009-11-22: Simon Goldschmidt (suggested by Bill Auerbach)
1064 * tcp.c: tcp_alloc: prevent increasing stats.err for MEMP_TCP_PCB when
1065 reusing time-wait pcb
1067 2009-11-20: Simon Goldschmidt (patch by Albert Bartel)
1068 * sockets.c: Fixed bug #28062: Data received directly after accepting
1069 does not wake up select
1071 2009-11-11: Simon Goldschmidt
1072 * netdb.h: Fixed bug #27994: incorrect define for freeaddrinfo(addrinfo)
1074 2009-10-30: Simon Goldschmidt
1075 * opt.h: Increased default value for TCP_MSS to 536, updated default
1076 value for TCP_WND to 4*TCP_MSS to keep delayed ACK working.
1078 2009-10-28: Kieran Mansley
1079 * tcp_in.c, tcp_out.c, tcp.h: re-work the fast retransmission code
1080 to follow algorithm from TCP/IP Illustrated
1082 2009-10-27: Kieran Mansley
1083 * tcp_in.c: fix BUG#27445: grow cwnd with every duplicate ACK
1085 2009-10-25: Simon Goldschmidt
1086 * tcp.h: bug-fix in the TCP_EVENT_RECV macro (has to call tcp_recved if
1087 pcb->recv is NULL to keep rcv_wnd correct)
1089 2009-10-25: Simon Goldschmidt
1090 * tcp_in.c: Fixed bug #26251: RST process in TIME_WAIT TCP state
1092 2009-10-23: Simon Goldschmidt (David Empson)
1093 * tcp.c: Fixed bug #27783: Silly window avoidance for small window sizes
1095 2009-10-21: Simon Goldschmidt
1096 * tcp_in.c: Fixed bug #27215: TCP sent() callback gives leading and
1097 trailing 1 byte len (SYN/FIN)
1099 2009-10-21: Simon Goldschmidt
1100 * tcp_out.c: Fixed bug #27315: zero window probe and FIN
1102 2009-10-19: Simon Goldschmidt
1103 * dhcp.c/.h: Minor code simplification (don't store received pbuf, change
1104 conditional code to assert where applicable), check pbuf length before
1105 testing for valid reply
1107 2009-10-19: Simon Goldschmidt
1108 * dhcp.c: Removed most calls to udp_connect since they aren't necessary
1109 when using udp_sendto_if() - always stay connected to IP_ADDR_ANY.
1111 2009-10-16: Simon Goldschmidt
1112 * ip.c: Fixed bug #27390: Source IP check in ip_input() causes it to drop
1113 valid DHCP packets -> allow 0.0.0.0 as source address when LWIP_DHCP is
1116 2009-10-15: Simon Goldschmidt (Oleg Tyshev)
1117 * tcp_in.c: Fixed bug #27329: dupacks by unidirectional data transmit
1119 2009-10-15: Simon Goldschmidt
1120 * api_lib.c: Fixed bug #27709: conn->err race condition on netconn_recv()
1123 2009-10-15: Simon Goldschmidt
1124 * autoip.c: Fixed bug #27704: autoip starts with wrong address
1125 LWIP_AUTOIP_CREATE_SEED_ADDR() returned address in host byte order instead
1126 of network byte order
1128 2009-10-11 Simon Goldschmidt (Jörg Kesten)
1129 * tcp_out.c: Fixed bug #27504: tcp_enqueue wrongly concatenates segments
1130 which are not consecutive when retransmitting unacked segments
1132 2009-10-09 Simon Goldschmidt
1133 * opt.h: Fixed default values of some stats to only be enabled if used
1134 Fixes bug #27338: sys_stats is defined when NO_SYS = 1
1136 2009-08-30 Simon Goldschmidt
1137 * ip.c: Fixed bug bug #27345: "ip_frag() does not use the LWIP_NETIF_LOOPBACK
1138 function" by checking for loopback before calling ip_frag
1140 2009-08-25 Simon Goldschmidt
1141 * dhcp.c: fixed invalid dependency to etharp_query if DHCP_DOES_ARP_CHECK==0
1143 2009-08-23 Simon Goldschmidt
1144 * ppp.c: bug #27078: Possible memory leak in pppInit()
1146 2009-08-23 Simon Goldschmidt
1147 * netdb.c, dns.c: bug #26657: DNS, if host name is "localhost", result
1150 2009-08-23 Simon Goldschmidt
1151 * opt.h, init.c: bug #26649: TCP fails when TCP_MSS > TCP_SND_BUF
1152 Fixed wrong parenthesis, added check in init.c
1154 2009-08-23 Simon Goldschmidt
1155 * ppp.c: bug #27266: wait-state debug message in pppMain occurs every ms
1157 2009-08-23 Simon Goldschmidt
1158 * many ppp files: bug #27267: Added include to string.h where needed
1160 2009-08-23 Simon Goldschmidt
1161 * tcp.h: patch #6843: tcp.h macro optimization patch (for little endian)
1168 2009-05-10 Simon Goldschmidt
1169 * opt.h, sockets.c, pbuf.c, netbuf.h, pbuf.h: task #7013: Added option
1170 LWIP_NETIF_TX_SINGLE_PBUF to try to create transmit packets from only
1171 one pbuf to help MACs that don't support scatter-gather DMA.
1173 2009-05-09 Simon Goldschmidt
1174 * icmp.h, icmp.c: Shrinked ICMP code, added option to NOT check icoming
1175 ECHO pbuf for size (just use it): LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN
1177 2009-05-05 Simon Goldschmidt, Jakob Stoklund Olesen
1178 * ip.h, ip.c: Added ip_current_netif() & ip_current_header() to receive
1179 extended info about the currently received packet.
1181 2009-04-27 Simon Goldschmidt
1182 * sys.h: Made SYS_LIGHTWEIGHT_PROT and sys_now() work with NO_SYS=1
1184 2009-04-25 Simon Goldschmidt
1185 * mem.c, opt.h: Added option MEM_USE_POOLS_TRY_BIGGER_POOL to try the next
1186 bigger malloc pool if one is empty (only usable with MEM_USE_POOLS).
1188 2009-04-21 Simon Goldschmidt
1189 * dns.c, init.c, dns.h, opt.h: task #7507, patch #6786: DNS supports static
1190 hosts table. New configuration options DNS_LOCAL_HOSTLIST and
1191 DNS_LOCAL_HOSTLIST_IS_DYNAMIC. Also, DNS_LOOKUP_LOCAL_EXTERN() can be defined
1192 as an external function for lookup.
1194 2009-04-15 Simon Goldschmidt
1195 * dhcp.c: patch #6763: Global DHCP XID can be redefined to something more unique
1197 2009-03-31 Kieran Mansley
1198 * tcp.c, tcp_out.c, tcp_in.c, sys.h, tcp.h, opts.h: add support for
1199 TCP timestamp options, off by default. Rework tcp_enqueue() to
1200 take option flags rather than specified option data
1202 2009-02-18 Simon Goldschmidt
1203 * cc.h: Added printf formatter for size_t: SZT_F
1205 2009-02-16 Simon Goldschmidt (patch by Rishi Khan)
1206 * icmp.c, opt.h: patch #6539: (configurable) response to broadcast- and multicast
1209 2009-02-12 Simon Goldschmidt
1210 * init.h: Added LWIP_VERSION to get the current version of the stack
1212 2009-02-11 Simon Goldschmidt (suggested by Gottfried Spitaler)
1213 * opt.h, memp.h/.c: added MEMP_MEM_MALLOC to use mem_malloc/mem_free instead
1214 of the pool allocator (can save code size with MEM_LIBC_MALLOC if libc-malloc
1217 2009-01-28 Jonathan Larmour (suggested by Bill Bauerbach)
1218 * ipv4/inet_chksum.c, ipv4/lwip/inet_chksum.h: inet_chksum_pseudo_partial()
1219 is only used by UDPLITE at present, so conditionalise it.
1221 2008-12-03 Simon Goldschmidt (base on patch from Luca Ceresoli)
1222 * autoip.c: checked in (slightly modified) patch #6683: Customizable AUTOIP
1223 "seed" address. This should reduce AUTOIP conflicts if
1224 LWIP_AUTOIP_CREATE_SEED_ADDR is overridden.
1226 2008-10-02 Jonathan Larmour and Rishi Khan
1227 * sockets.c (lwip_accept): Return EWOULDBLOCK if would block on non-blocking
1230 2008-06-30 Simon Goldschmidt
1231 * mem.c, opt.h, stats.h: fixed bug #21433: Calling mem_free/pbuf_free from
1232 interrupt context isn't safe: LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT allows
1233 mem_free to run between mem_malloc iterations. Added illegal counter for
1236 2008-06-27 Simon Goldschmidt
1237 * stats.h/.c, some other files: patch #6483: stats module improvement:
1238 Added defines to display each module's statistic individually, added stats
1239 defines for MEM, MEMP and SYS modules, removed (unused) rexmit counter.
1241 2008-06-17 Simon Goldschmidt
1242 * err.h: patch #6459: Made err_t overridable to use a more efficient type
1243 (define LWIP_ERR_T in cc.h)
1245 2008-06-17 Simon Goldschmidt
1246 * slipif.c: patch #6480: Added a configuration option for slipif for symmetry
1249 2008-06-17 Simon Goldschmidt (patch by Luca Ceresoli)
1250 * netif.c, loopif.c, ip.c, netif.h, loopif.h, opt.h: Checked in slightly
1251 modified version of patch # 6370: Moved loopif code to netif.c so that
1252 loopback traffic is supported on all netifs (all local IPs).
1253 Added option to limit loopback packets for each netifs.
1257 2009-08-12 Kieran Mansley
1258 * tcp_in.c, tcp.c: Fix bug #27209: handle trimming of segments when
1259 out of window or out of order properly
1261 2009-08-12 Kieran Mansley
1262 * tcp_in.c: Fix bug #27199: use snd_wl2 instead of snd_wl1
1264 2009-07-28 Simon Goldschmidt
1265 * mem.h: Fixed bug #27105: "realloc() cannot replace mem_realloc()"s
1267 2009-07-27 Kieran Mansley
1268 * api.h api_msg.h netdb.h sockets.h: add missing #include directives
1270 2009-07-09 Kieran Mansley
1271 * api_msg.c, sockets.c, api.h: BUG23240 use signed counters for
1272 recv_avail and don't increment counters until message successfully
1275 2009-06-25 Kieran Mansley
1276 * api_msg.c api.h: BUG26722: initialise netconn write variables
1279 2009-06-25 Kieran Mansley
1280 * tcp.h: BUG26879: set ret value in TCP_EVENT macros when function is not set
1282 2009-06-25 Kieran Mansley
1283 * tcp.c, tcp_in.c, tcp_out.c, tcp.h: BUG26301 and BUG26267: correct
1284 simultaneous close behaviour, and make snd_nxt have the same meaning
1287 2009-05-12 Simon Goldschmidt
1288 * etharp.h, etharp.c, netif.c: fixed bug #26507: "Gratuitous ARP depends on
1289 arp_table / uses etharp_query" by adding etharp_gratuitous()
1291 2009-05-12 Simon Goldschmidt
1292 * ip.h, ip.c, igmp.c: bug #26487: Added ip_output_if_opt that can add IP options
1293 to the IP header (used by igmp_ip_output_if)
1295 2009-05-06 Simon Goldschmidt
1296 * inet_chksum.c: On little endian architectures, use LWIP_PLATFORM_HTONS (if
1297 defined) for SWAP_BYTES_IN_WORD to speed up checksumming.
1299 2009-05-05 Simon Goldschmidt
1300 * sockets.c: bug #26405: Prematurely released semaphore causes lwip_select()
1303 2009-05-04 Simon Goldschmidt
1304 * init.c: snmp was not initialized in lwip_init()
1306 2009-05-04 Frédéric Bernon
1307 * dhcp.c, netbios.c: Changes if IP_SOF_BROADCAST is enabled.
1309 2009-05-03 Simon Goldschmidt
1310 * tcp.h: bug #26349: Nagle algorithm doesn't send although segment is full
1311 (and unsent->next == NULL)
1313 2009-05-02 Simon Goldschmidt
1314 * tcpip.h, tcpip.c: fixed tcpip_untimeout (does not need the time, broken after
1315 1.3.0 in CVS only) - fixes compilation of ppp_oe.c
1317 2009-05-02 Simon Goldschmidt
1318 * msg_in.c: fixed bug #25636: SNMPSET value is ignored for integer fields
1320 2009-05-01 Simon Goldschmidt
1321 * pap.c: bug #21680: PPP upap_rauthnak() drops legal NAK packets
1323 2009-05-01 Simon Goldschmidt
1324 * ppp.c: bug #24228: Memory corruption with PPP and DHCP
1326 2009-04-29 Frédéric Bernon
1327 * raw.c, udp.c, init.c, opt.h, ip.h, sockets.h: bug #26309: Implement the
1328 SO(F)_BROADCAST filter for all API layers. Avoid the unindented reception
1329 of broadcast packets even when this option wasn't set. Port maintainers
1330 which want to enable this filter have to set IP_SOF_BROADCAST=1 in opt.h.
1331 If you want this option also filter broadcast on recv operations, you also
1332 have to set IP_SOF_BROADCAST_RECV=1 in opt.h.
1334 2009-04-28 Simon Goldschmidt, Jakob Stoklund Olesen
1335 * dhcp.c: patch #6721, bugs #25575, #25576: Some small fixes to DHCP and
1336 DHCP/AUTOIP cooperation
1338 2009-04-25 Simon Goldschmidt, Oleg Tyshev
1339 * tcp_out.c: bug #24212: Deadlocked tcp_retransmit due to exceeded pcb->cwnd
1340 Fixed by sorting the unsent and unacked queues (segments are inserted at the
1341 right place in tcp_output and tcp_rexmit).
1343 2009-04-25 Simon Goldschmidt
1344 * memp.c, mem.c, memp.h, mem_std.h: bug #26213 "Problem with memory allocation
1345 when debugging": memp_sizes contained the wrong sizes (including sanity
1346 regions); memp pools for MEM_USE_POOLS were too small
1348 2009-04-24 Simon Goldschmidt, Frédéric Bernon
1349 * inet.c: patch #6765: Fix a small problem with the last changes (incorrect
1350 behavior, with with ip address string not ended by a '\0', a space or a
1353 2009-04-19 Simon Goldschmidt
1354 * rawapi.txt: Fixed bug #26069: Corrected documentation: if tcp_connect fails,
1355 pcb->err is called, not pcb->connected (with an error code).
1357 2009-04-19 Simon Goldschmidt
1358 * tcp_out.c: Fixed bug #26236: "TCP options (timestamp) don't work with
1359 no-copy-tcpwrite": deallocate option data, only concat segments with same flags
1361 2009-04-19 Simon Goldschmidt
1362 * tcp_out.c: Fixed bug #25094: "Zero-length pbuf" (options are now allocated
1363 in the header pbuf, not the data pbuf)
1365 2009-04-18 Simon Goldschmidt
1366 * api_msg.c: fixed bug #25695: Segmentation fault in do_writemore()
1368 2009-04-15 Simon Goldschmidt
1369 * sockets.c: tried to fix bug #23559: lwip_recvfrom problem with tcp
1371 2009-04-15 Simon Goldschmidt
1372 * dhcp.c: task #9192: mem_free of dhcp->options_in and dhcp->msg_in
1374 2009-04-15 Simon Goldschmidt
1375 * ip.c, ip6.c, tcp_out.c, ip.h: patch #6808: Add a utility function
1376 ip_hinted_output() (for smaller code mainly)
1378 2009-04-15 Simon Goldschmidt
1379 * inet.c: patch #6765: Supporting new line characters in inet_aton()
1381 2009-04-15 Simon Goldschmidt
1382 * dhcp.c: patch #6764: DHCP rebind and renew did not send hostnam option;
1383 Converted constant OPTION_MAX_MSG_SIZE to netif->mtu, check if netif->mtu
1384 is big enough in dhcp_start
1386 2009-04-15 Simon Goldschmidt
1387 * netbuf.c: bug #26027: netbuf_chain resulted in pbuf memory leak
1389 2009-04-15 Simon Goldschmidt
1390 * sockets.c, ppp.c: bug #25763: corrected 4 occurrences of SMEMCPY to MEMCPY
1392 2009-04-15 Simon Goldschmidt
1393 * sockets.c: bug #26121: set_errno can be overridden
1395 2009-04-09 Kieran Mansley (patch from Luca Ceresoli <lucaceresoli>)
1396 * init.c, opt.h: Patch#6774 TCP_QUEUE_OOSEQ breaks compilation when
1399 2009-04-09 Kieran Mansley (patch from Roy Lee <roylee17>)
1400 * tcp.h: Patch#6802 Add do-while-clauses to those function like
1403 2009-03-31 Kieran Mansley
1404 * tcp.c, tcp_in.c, tcp_out.c, tcp.h, opt.h: Rework the way window
1405 updates are calculated and sent (BUG20515)
1407 * tcp_in.c: cope with SYN packets received during established states,
1408 and retransmission of initial SYN.
1410 * tcp_out.c: set push bit correctly when tcp segments are merged
1412 2009-03-27 Kieran Mansley
1413 * tcp_out.c set window correctly on probes (correcting change made
1416 2009-03-26 Kieran Mansley
1417 * tcp.c, tcp_in.c, tcp.h: add tcp_abandon() to cope with dropping
1418 connections where no reset required (bug #25622)
1420 * tcp_out.c: set TCP_ACK flag on keepalive and zero window probes
1423 2009-02-18 Simon Goldschmidt (Jonathan Larmour and Bill Auerbach)
1424 * ip_frag.c: patch #6528: the buffer used for IP_FRAG_USES_STATIC_BUF could be
1425 too small depending on MEM_ALIGNMENT
1427 2009-02-16 Simon Goldschmidt
1428 * sockets.h/.c, api_*.h/.c: fixed arguments of socket functions to match the standard;
1429 converted size argument of netconn_write to 'size_t'
1431 2009-02-16 Simon Goldschmidt
1432 * tcp.h, tcp.c: fixed bug #24440: TCP connection close problem on 64-bit host
1433 by moving accept callback function pointer to TCP_PCB_COMMON
1435 2009-02-12 Simon Goldschmidt
1436 * dhcp.c: fixed bug #25345 (DHCPDECLINE is sent with "Maximum message size"
1439 2009-02-11 Simon Goldschmidt
1440 * dhcp.c: fixed bug #24480 (releasing old udp_pdb and pbuf in dhcp_start)
1442 2009-02-11 Simon Goldschmidt
1443 * opt.h, api_msg.c: added configurable default valud for netconn->recv_bufsize:
1444 RECV_BUFSIZE_DEFAULT (fixes bug #23726: pbuf pool exhaustion on slow recv())
1446 2009-02-10 Simon Goldschmidt
1447 * tcp.c: fixed bug #25467: Listen backlog is not reset on timeout in SYN_RCVD:
1448 Accepts_pending is decrease on a corresponding listen pcb when a connection
1449 in state SYN_RCVD is close.
1451 2009-01-28 Jonathan Larmour
1452 * pbuf.c: reclaim pbufs from TCP out-of-sequence segments if we run
1455 2008-12-19 Simon Goldschmidt
1456 * many files: patch #6699: fixed some warnings on platform where sizeof(int) == 2
1458 2008-12-10 Tamas Somogyi, Frédéric Bernon
1459 * sockets.c: fixed bug #25051: lwip_recvfrom problem with udp: fromaddr and
1460 port uses deleted netbuf.
1462 2008-10-18 Simon Goldschmidt
1463 * tcp_in.c: fixed bug ##24596: Vulnerability on faulty TCP options length
1466 2008-10-15 Simon Goldschmidt
1467 * ip_frag.c: fixed bug #24517: IP reassembly crashes on unaligned IP headers
1468 by packing the struct ip_reass_helper.
1470 2008-10-03 David Woodhouse, Jonathan Larmour
1471 * etharp.c (etharp_arp_input): Fix type aliasing problem copying ip address.
1473 2008-10-02 Jonathan Larmour
1474 * dns.c: Hard-code structure sizes, to avoid issues on some compilers where
1475 padding is included.
1477 2008-09-30 Jonathan Larmour
1478 * sockets.c (lwip_accept): check addr isn't NULL. If it's valid, do an
1479 assertion check that addrlen isn't NULL.
1481 2008-09-30 Jonathan Larmour
1482 * tcp.c: Fix bug #24227, wrong error message in tcp_bind.
1484 2008-08-26 Simon Goldschmidt
1485 * inet.h, ip_addr.h: fixed bug #24132: Cross-dependency between ip_addr.h and
1486 inet.h -> moved declaration of struct in_addr from ip_addr.h to inet.h
1488 2008-08-14 Simon Goldschmidt
1489 * api_msg.c: fixed bug #23847: do_close_internal references freed memory (when
1490 tcp_close returns != ERR_OK)
1492 2008-07-08 Frédéric Bernon
1493 * stats.h: Fix some build bugs introduced with patch #6483 (missing some parameters
1494 in macros, mainly if MEM_STATS=0 and MEMP_STATS=0).
1496 2008-06-24 Jonathan Larmour
1497 * tcp_in.c: Fix for bug #23693 as suggested by Art R. Ensure cseg is unused
1498 if tcp_seg_copy fails.
1500 2008-06-17 Simon Goldschmidt
1501 * inet_chksum.c: Checked in some ideas of patch #6460 (loop optimizations)
1502 and created defines for swapping bytes and folding u32 to u16.
1504 2008-05-30 Kieran Mansley
1505 * tcp_in.c Remove redundant "if" statement, and use real rcv_wnd
1506 rather than rcv_ann_wnd when deciding if packets are in-window.
1507 Contributed by <arasmussen@consultant.datasys.swri.edu>
1509 2008-05-30 Kieran Mansley
1510 * mem.h: Fix BUG#23254. Change macro definition of mem_* to allow
1511 passing as function pointers when MEM_LIBC_MALLOC is defined.
1513 2008-05-09 Jonathan Larmour
1514 * err.h, err.c, sockets.c: Fix bug #23119: Reorder timeout error code to
1515 stop it being treated as a fatal error.
1517 2008-04-15 Simon Goldschmidt
1518 * dhcp.c: fixed bug #22804: dhcp_stop doesn't clear NETIF_FLAG_DHCP
1521 2008-03-27 Simon Goldschmidt
1522 * mem.c, tcpip.c, tcpip.h, opt.h: fixed bug #21433 (Calling mem_free/pbuf_free
1523 from interrupt context isn't safe): set LWIP_USE_HEAP_FROM_INTERRUPT to 1
1524 in lwipopts.h or use pbuf_free_callback(p)/mem_free_callback(m) to free pbufs
1525 or heap memory from interrupt context
1527 2008-03-26 Simon Goldschmidt
1528 * tcp_in.c, tcp.c: fixed bug #22249: division by zero could occur if a remote
1529 host sent a zero mss as TCP option.
1536 2008-03-10 Jonathan Larmour
1537 * inet_chksum.c: Allow choice of one of the sample algorithms to be
1538 made from lwipopts.h. Fix comment on how to override LWIP_CHKSUM.
1540 2008-01-22 Frédéric Bernon
1541 * tcp.c, tcp_in.c, tcp.h, opt.h: Rename LWIP_CALCULATE_EFF_SEND_MSS in
1542 TCP_CALCULATE_EFF_SEND_MSS to have coherent TCP options names.
1544 2008-01-14 Frédéric Bernon
1545 * rawapi.txt, api_msg.c, tcp.c, tcp_in.c, tcp.h: changes for task #7675 "Enable
1546 to refuse data on a TCP_EVENT_RECV call". Important, behavior changes for the
1547 tcp_recv callback (see rawapi.txt).
1549 2008-01-14 Frédéric Bernon, Marc Chaland
1550 * ip.c: Integrate patch #6369" ip_input : checking before realloc".
1552 2008-01-12 Frédéric Bernon
1553 * tcpip.h, tcpip.c, api.h, api_lib.c, api_msg.c, sockets.c: replace the field
1554 netconn::sem per netconn::op_completed like suggested for the task #7490
1555 "Add return value to sys_mbox_post".
1557 2008-01-12 Frédéric Bernon
1558 * api_msg.c, opt.h: replace DEFAULT_RECVMBOX_SIZE per DEFAULT_TCP_RECVMBOX_SIZE,
1559 DEFAULT_UDP_RECVMBOX_SIZE and DEFAULT_RAW_RECVMBOX_SIZE (to optimize queues
1560 sizes), like suggested for the task #7490 "Add return value to sys_mbox_post".
1562 2008-01-10 Frédéric Bernon
1563 * tcpip.h, tcpip.c: add tcpip_callback_with_block function for the task #7490
1564 "Add return value to sys_mbox_post". tcpip_callback is always defined as
1565 "blocking" ("block" parameter = 1).
1567 2008-01-10 Frédéric Bernon
1568 * tcpip.h, tcpip.c, api.h, api_lib.c, api_msg.c, sockets.c: replace the field
1569 netconn::mbox (sys_mbox_t) per netconn::sem (sys_sem_t) for the task #7490
1570 "Add return value to sys_mbox_post".
1572 2008-01-05 Frédéric Bernon
1573 * sys_arch.txt, api.h, api_lib.c, api_msg.h, api_msg.c, tcpip.c, sys.h, opt.h:
1574 Introduce changes for task #7490 "Add return value to sys_mbox_post" with some
1575 modifications in the sys_mbox api: sys_mbox_new take a "size" parameters which
1576 indicate the number of pointers query by the mailbox. There is three defines
1577 in opt.h to indicate sizes for tcpip::mbox, netconn::recvmbox, and for the
1578 netconn::acceptmbox. Port maintainers, you can decide to just add this new
1579 parameter in your implementation, but to ignore it to keep the previous behavior.
1580 The new sys_mbox_trypost function return a value to know if the mailbox is
1581 full or if the message is posted. Take a look to sys_arch.txt for more details.
1582 This new function is used in tcpip_input (so, can be called in an interrupt
1583 context since the function is not blocking), and in recv_udp and recv_raw.
1585 2008-01-04 Frédéric Bernon, Simon Goldschmidt, Jonathan Larmour
1586 * rawapi.txt, api.h, api_lib.c, api_msg.h, api_msg.c, sockets.c, tcp.h, tcp.c,
1587 tcp_in.c, init.c, opt.h: rename backlog options with TCP_ prefix, limit the
1588 "backlog" parameter in an u8_t, 0 is interpreted as "smallest queue", add
1589 documentation in the rawapi.txt file.
1591 2007-12-31 Kieran Mansley (based on patch from Per-Henrik Lundbolm)
1592 * tcp.c, tcp_in.c, tcp_out.c, tcp.h: Add TCP persist timer
1594 2007-12-31 Frédéric Bernon, Luca Ceresoli
1595 * autoip.c, etharp.c: ip_addr.h: Integrate patch #6348: "Broadcast ARP packets
1596 in autoip". The change in etharp_raw could be removed, since all calls to
1597 etharp_raw use ethbroadcast for the "ethdst_addr" parameter. But it could be
1598 wrong in the future.
1600 2007-12-30 Frédéric Bernon, Tom Evans
1601 * ip.c: Fix bug #21846 "LwIP doesn't appear to perform any IP Source Address
1602 Filtering" reported by Tom Evans.
1604 2007-12-21 Frédéric Bernon, Simon Goldschmidt, Jonathan Larmour
1605 * tcp.h, opt.h, api.h, api_msg.h, tcp.c, tcp_in.c, api_lib.c, api_msg.c,
1606 sockets.c, init.c: task #7252: Implement TCP listen backlog: Warning: raw API
1607 applications have to call 'tcp_accepted(pcb)' in their accept callback to
1608 keep accepting new connections.
1610 2007-12-13 Frédéric Bernon
1611 * api_msg.c, err.h, err.c, sockets.c, dns.c, dns.h: replace "enum dns_result"
1612 by err_t type. Add a new err_t code "ERR_INPROGRESS".
1614 2007-12-12 Frédéric Bernon
1615 * dns.h, dns.c, opt.h: move DNS options to the "right" place. Most visibles
1616 are the one which have ram usage.
1618 2007-12-05 Frédéric Bernon
1619 * netdb.c: add a LWIP_DNS_API_HOSTENT_STORAGE option to decide to use a static
1620 set of variables (=0) or a local one (=1). In this last case, your port should
1621 provide a function "struct hostent* sys_thread_hostent( struct hostent* h)"
1622 which have to do a copy of "h" and return a pointer ont the "per-thread" copy.
1624 2007-12-03 Simon Goldschmidt
1625 * ip.c: ip_input: check if a packet is for inp first before checking all other
1626 netifs on netif_list (speeds up packet receiving in most cases)
1628 2007-11-30 Simon Goldschmidt
1629 * udp.c, raw.c: task #7497: Sort lists (pcb, netif, ...) for faster access
1630 UDP: move a (connected) pcb selected for input to the front of the list of
1631 pcbs so that it is found faster next time. Same for RAW pcbs that have eaten
1634 2007-11-28 Simon Goldschmidt
1635 * etharp.c, stats.c, stats.h, opt.h: Introduced ETHARP_STATS
1637 2007-11-25 Simon Goldschmidt
1638 * dhcp.c: dhcp_unfold_reply() uses pbuf_copy_partial instead of its own copy
1641 2007-11-24 Simon Goldschmidt
1642 * netdb.h, netdb.c, sockets.h/.c: Moved lwip_gethostbyname from sockets.c
1643 to the new file netdb.c; included lwip_getaddrinfo.
1645 2007-11-21 Simon Goldschmidt
1646 * tcp.h, opt.h, tcp.c, tcp_in.c: implemented calculating the effective send-mss
1647 based on the MTU of the netif used to send. Enabled by default. Disable by
1648 setting LWIP_CALCULATE_EFF_SEND_MSS to 0. This fixes bug #21492.
1650 2007-11-19 Frédéric Bernon
1651 * api_msg.c, dns.h, dns.c: Implement DNS_DOES_NAME_CHECK option (check if name
1652 received match the name query), implement DNS_USES_STATIC_BUF (the place where
1653 copy dns payload to parse the response), return an error if there is no place
1654 for a new query, and fix some minor problems.
1656 2007-11-16 Simon Goldschmidt
1657 * new files: ipv4/inet.c, ipv4/inet_chksum.c, ipv6/inet6.c
1658 removed files: core/inet.c, core/inet6.c
1659 Moved inet files into ipv4/ipv6 directory; splitted inet.c/inet.h into
1660 inet and chksum part; changed includes in all lwIP files as appropriate
1662 2007-11-16 Simon Goldschmidt
1663 * api.h, api_msg.h, api_lib.c, api_msg.c, socket.h, socket.c: Added sequential
1664 dns resolver function for netconn api (netconn_gethostbyname) and socket api
1665 (gethostbyname/gethostbyname_r).
1667 2007-11-15 Jim Pettinato, Frédéric Bernon
1668 * opt.h, init.c, tcpip.c, dhcp.c, dns.h, dns.c: add DNS client for simple name
1669 requests with RAW api interface. Initialization is done in lwip_init() with
1670 build time options. DNS timer is added in tcpip_thread context. DHCP can set
1671 DNS server ip addresses when options are received. You need to set LWIP_DNS=1
1672 in your lwipopts.h file (LWIP_DNS=0 in opt.h). DNS_DEBUG can be set to get
1673 some traces with LWIP_DEBUGF. Sanity check have been added. There is a "todo"
1674 list with points to improve.
1676 2007-11-06 Simon Goldschmidt
1677 * opt.h, mib2.c: Patch #6215: added ifAdminStatus write support (if explicitly
1678 enabled by defining SNMP_SAFE_REQUESTS to 0); added code to check link status
1679 for ifOperStatus if LWIP_NETIF_LINK_CALLBACK is defined.
1681 2007-11-06 Simon Goldschmidt
1682 * api.h, api_msg.h and dependent files: Task #7410: Removed the need to include
1683 core header files in api.h (ip/tcp/udp/raw.h) to hide the internal
1684 implementation from netconn api applications.
1686 2007-11-03 Frédéric Bernon
1687 * api.h, api_lib.c, api_msg.c, sockets.c, opt.h: add SO_RCVBUF option for UDP &
1688 RAW netconn. You need to set LWIP_SO_RCVBUF=1 in your lwipopts.h (it's disabled
1689 by default). Netconn API users can use the netconn_recv_bufsize macro to access
1690 it. This is a first release which have to be improve for TCP. Note it used the
1691 netconn::recv_avail which need to be more "thread-safe" (note there is already
1692 the problem for FIONREAD with lwip_ioctl/ioctlsocket).
1694 2007-11-01 Frédéric Bernon, Marc Chaland
1695 * sockets.h, sockets.c, api.h, api_lib.c, api_msg.h, api_msg.c, tcp.h, tcp_out.c:
1696 Integrate "patch #6250 : MSG_MORE flag for send". MSG_MORE is used at socket api
1697 layer, NETCONN_MORE at netconn api layer, and TCP_WRITE_FLAG_MORE at raw api
1698 layer. This option enable to delayed TCP PUSH flag on multiple "write" calls.
1699 Note that previous "copy" parameter for "write" APIs is now called "apiflags".
1701 2007-10-24 Frédéric Bernon
1702 * api.h, api_lib.c, api_msg.c: Add macro API_EVENT in the same spirit than
1703 TCP_EVENT_xxx macros to get a code more readable. It could also help to remove
1704 some code (like we have talk in "patch #5919 : Create compile switch to remove
1705 select code"), but it could be done later.
1707 2007-10-08 Simon Goldschmidt
1708 * many files: Changed initialization: many init functions are not needed any
1709 more since we now rely on the compiler initializing global and static
1712 2007-10-06 Simon Goldschmidt
1713 * ip_frag.c, memp.c, mib2.c, ip_frag.h, memp_std.h, opt.h: Changed IP_REASSEMBLY
1714 to enqueue the received pbufs so that multiple packets can be reassembled
1715 simultaneously and no static reassembly buffer is needed.
1717 2007-10-05 Simon Goldschmidt
1718 * tcpip.c, etharp.h, etharp.c: moved ethernet_input from tcpip.c to etharp.c so
1719 all netifs (or ports) can use it.
1721 2007-10-05 Frédéric Bernon
1722 * netifapi.h, netifapi.c: add function netifapi_netif_set_default. Change the
1723 common function to reduce a little bit the footprint (for all functions using
1724 only the "netif" parameter).
1726 2007-10-03 Frédéric Bernon
1727 * netifapi.h, netifapi.c: add functions netifapi_netif_set_up, netifapi_netif_set_down,
1728 netifapi_autoip_start and netifapi_autoip_stop. Use a common function to reduce
1729 a little bit the footprint (for all functions using only the "netif" parameter).
1731 2007-09-15 Frédéric Bernon
1732 * udp.h, udp.c, sockets.c: Changes for "#20503 IGMP Improvement". Add IP_MULTICAST_IF
1733 option in socket API, and a new field "multicast_ip" in "struct udp_pcb" (for
1734 netconn and raw API users), only if LWIP_IGMP=1. Add getsockopt processing for
1735 IP_MULTICAST_TTL and IP_MULTICAST_IF.
1737 2007-09-10 Frédéric Bernon
1738 * snmp.h, mib2.c: enable to remove SNMP timer (which consumne several cycles
1739 even when it's not necessary). snmp_agent.txt tell to call snmp_inc_sysuptime()
1740 each 10ms (but, it's intrusive if you use sys_timeout feature). Now, you can
1741 decide to call snmp_add_sysuptime(100) each 1000ms (which is bigger "step", but
1742 call to a lower frequency). Or, you can decide to not call snmp_inc_sysuptime()
1743 or snmp_add_sysuptime(), and to define the SNMP_GET_SYSUPTIME(sysuptime) macro.
1744 This one is undefined by default in mib2.c. SNMP_GET_SYSUPTIME is called inside
1745 snmp_get_sysuptime(u32_t *value), and enable to change "sysuptime" value only
1746 when it's queried (any direct call to "sysuptime" is changed by a call to
1747 snmp_get_sysuptime).
1749 2007-09-09 Frédéric Bernon, Bill Florac
1750 * igmp.h, igmp.c, netif.h, netif.c, ip.c: To enable to have interfaces with IGMP,
1751 and others without it, there is a new NETIF_FLAG_IGMP flag to set in netif->flags
1752 if you want IGMP on an interface. igmp_stop() is now called inside netif_remove().
1753 igmp_report_groups() is now called inside netif_set_link_up() (need to have
1754 LWIP_NETIF_LINK_CALLBACK=1) to resend reports once the link is up (avoid to wait
1755 the next query message to receive the matching multicast streams).
1757 2007-09-08 Frédéric Bernon
1758 * sockets.c, ip.h, api.h, tcp.h: declare a "struct ip_pcb" which only contains
1759 IP_PCB. Add in the netconn's "pcb" union a "struct ip_pcb *ip;" (no size change).
1760 Use this new field to access to common pcb fields (ttl, tos, so_options, etc...).
1761 Enable to access to these fields with LWIP_TCP=0.
1763 2007-09-05 Frédéric Bernon
1764 * udp.c, ipv4/icmp.c, ipv4/ip.c, ipv6/icmp.c, ipv6/ip6.c, ipv4/icmp.h,
1765 ipv6/icmp.h, opt.h: Integrate "task #7272 : LWIP_ICMP option". The new option
1766 LWIP_ICMP enable/disable ICMP module inside the IP stack (enable per default).
1767 Be careful, disabling ICMP make your product non-compliant to RFC1122, but
1768 help to reduce footprint, and to reduce "visibility" on the Internet.
1770 2007-09-05 Frédéric Bernon, Bill Florac
1771 * opt.h, sys.h, tcpip.c, slipif.c, ppp.c, sys_arch.txt: Change parameters list
1772 for sys_thread_new (see "task #7252 : Create sys_thread_new_ex()"). Two new
1773 parameters have to be provided: a task name, and a task stack size. For this
1774 one, since it's platform dependant, you could define the best one for you in
1775 your lwipopts.h. For port maintainers, you can just add these new parameters
1776 in your sys_arch.c file, and but it's not mandatory, use them in your OS
1779 2007-09-05 Frédéric Bernon
1780 * inet.c, autoip.c, msg_in.c, msg_out.c, init.c: Move some build time checkings
1781 inside init.c for task #7142 "Sanity check user-configurable values".
1783 2007-09-04 Frédéric Bernon, Bill Florac
1784 * igmp.h, igmp.c, memp_std.h, memp.c, init.c, opt.h: Replace mem_malloc call by
1785 memp_malloc, and use a new MEMP_NUM_IGMP_GROUP option (see opt.h to define the
1786 value). It will avoid potential fragmentation problems, use a counter to know
1787 how many times a group is used on an netif, and free it when all applications
1788 leave it. MEMP_NUM_IGMP_GROUP got 8 as default value (and init.c got a sanity
1789 check if LWIP_IGMP!=0).
1791 2007-09-03 Frédéric Bernon
1792 * igmp.h, igmp.c, sockets.c, api_msg.c: Changes for "#20503 IGMP Improvement".
1793 Initialize igmp_mac_filter to NULL in netif_add (this field should be set in
1794 the netif's "init" function). Use the "imr_interface" field (for socket layer)
1795 and/or the "interface" field (for netconn layer), for join/leave operations.
1796 The igmp_join/leavegroup first parameter change from a netif to an ipaddr.
1797 This field could be a netif's ipaddr, or "any" (same meaning than ip_addr_isany).
1799 2007-08-30 Frédéric Bernon
1800 * Add netbuf.h, netbuf.c, Change api.h, api_lib.c: #7249 "Split netbuf functions
1801 from api/api_lib". Now netbuf API is independant of netconn, and can be used
1802 with other API (application based on raw API, or future "socket2" API). Ports
1803 maintainers just have to add src/api/netbuf.c in their makefile/projects.
1805 2007-08-30 Frédéric Bernon, Jonathan Larmour
1806 * init.c: Add first version of lwip_sanity_check for task #7142 "Sanity check
1807 user-configurable values".
1809 2007-08-29 Frédéric Bernon
1810 * igmp.h, igmp.c, tcpip.c, init.c, netif.c: change igmp_init and add igmp_start.
1811 igmp_start is call inside netif_add. Now, igmp initialization is in the same
1812 spirit than the others modules. Modify some IGMP debug traces.
1814 2007-08-29 Frédéric Bernon
1815 * Add init.h, init.c, Change opt.h, tcpip.c: Task #7213 "Add a lwip_init function"
1816 Add lwip_init function to regroup all modules initializations, and to provide
1817 a place to add code for task #7142 "Sanity check user-configurable values".
1818 Ports maintainers should remove direct initializations calls from their code,
1819 and add init.c in their makefiles. Note that lwip_init() function is called
1820 inside tcpip_init, but can also be used by raw api users since all calls are
1821 disabled when matching options are disabled. Also note that their is new options
1822 in opt.h, you should configure in your lwipopts.h (they are enabled per default).
1824 2007-08-26 Marc Boucher
1825 * api_msg.c: do_close_internal(): Reset the callbacks and arg (conn) to NULL
1826 since they can under certain circumstances be called with an invalid conn
1827 pointer after the connection has been closed (and conn has been freed).
1829 2007-08-25 Frédéric Bernon (Artem Migaev's Patch)
1830 * netif.h, netif.c: Integrate "patch #6163 : Function to check if link layer is up".
1831 Add a netif_is_link_up() function if LWIP_NETIF_LINK_CALLBACK option is set.
1833 2007-08-22 Frédéric Bernon
1834 * netif.h, netif.c, opt.h: Rename LWIP_NETIF_CALLBACK in LWIP_NETIF_STATUS_CALLBACK
1835 to be coherent with new LWIP_NETIF_LINK_CALLBACK option before next release.
1837 2007-08-22 Frédéric Bernon
1838 * tcpip.h, tcpip.c, ethernetif.c, opt.h: remove options ETHARP_TCPIP_INPUT &
1839 ETHARP_TCPIP_ETHINPUT, now, only "ethinput" code is supported, even if the
1840 name is tcpip_input (we keep the name of 1.2.0 function).
1842 2007-08-17 Jared Grubb
1843 * memp_std.h, memp.h, memp.c, mem.c, stats.c: (Task #7136) Centralize mempool
1844 settings into new memp_std.h and optional user file lwippools.h. This adds
1845 more dynamic mempools, and allows the user to create an arbitrary number of
1846 mempools for mem_malloc.
1848 2007-08-16 Marc Boucher
1849 * api_msg.c: Initialize newconn->state to NETCONN_NONE in accept_function;
1850 otherwise it was left to NETCONN_CLOSE and sent_tcp() could prematurely
1851 close the connection.
1853 2007-08-16 Marc Boucher
1854 * sockets.c: lwip_accept(): check netconn_peer() error return.
1856 2007-08-16 Marc Boucher
1857 * mem.c, mem.h: Added mem_calloc().
1859 2007-08-16 Marc Boucher
1860 * tcpip.c, tcpip.h memp.c, memp.h: Added distinct memp (MEMP_TCPIP_MSG_INPKT)
1861 for input packets to prevent floods from consuming all of MEMP_TCPIP_MSG
1862 and starving other message types.
1863 Renamed MEMP_TCPIP_MSG to MEMP_TCPIP_MSG_API
1865 2007-08-16 Marc Boucher
1866 * pbuf.c, pbuf.h, etharp.c, tcp_in.c, sockets.c: Split pbuf flags in pbuf
1867 type and flgs (later renamed to flags).
1868 Use enum pbuf_flag as pbuf_type. Renumber PBUF_FLAG_*.
1869 Improved lwip_recvfrom(). TCP push now propagated.
1871 2007-08-16 Marc Boucher
1872 * ethernetif.c, contrib/ports/various: ethbroadcast now a shared global
1875 2007-08-16 Marc Boucher
1876 * ppp_oe.c ppp_oe.h, auth.c chap.c fsm.c lcp.c ppp.c ppp.h,
1877 etharp.c ethernetif.c, etharp.h, opt.h tcpip.h, tcpip.c:
1878 Added PPPoE support and various PPP improvements.
1880 2007-07-25 Simon Goldschmidt
1881 * api_lib.c, ip_frag.c, pbuf.c, api.h, pbuf.h: Introduced pbuf_copy_partial,
1882 making netbuf_copy_partial use this function.
1884 2007-07-25 Simon Goldschmidt
1885 * tcp_in.c: Fix bug #20506: Slow start / initial congestion window starts with
1886 2 * mss (instead of 1 * mss previously) to comply with some newer RFCs and
1889 2007-07-13 Jared Grubb (integrated by Frédéric Bernon)
1890 * opt.h, netif.h, netif.c, ethernetif.c: Add new configuration option to add
1891 a link callback in the netif struct, and functions to handle it. Be carefull
1892 for port maintainers to add the NETIF_FLAG_LINK_UP flag (like in ethernetif.c)
1893 if you want to be sure to be compatible with future changes...
1895 2007-06-30 Frédéric Bernon
1896 * sockets.h, sockets.c: Implement MSG_PEEK flag for recv/recvfrom functions.
1898 2007-06-21 Simon Goldschmidt
1899 * etharp.h, etharp.c: Combined etharp_request with etharp_raw for both
1900 LWIP_AUTOIP =0 and =1 to remove redundant code.
1902 2007-06-21 Simon Goldschmidt
1903 * mem.c, memp.c, mem.h, memp.h, opt.h: task #6863: Introduced the option
1904 MEM_USE_POOLS to use 4 pools with different sized elements instead of a
1905 heap. This both prevents memory fragmentation and gives a higher speed
1906 at the cost of more memory consumption. Turned off by default.
1908 2007-06-21 Simon Goldschmidt
1909 * api_lib.c, api_msg.c, api.h, api_msg.h: Converted the length argument of
1910 netconn_write (and therefore also api_msg_msg.msg.w.len) from u16_t into
1911 int to be able to send a bigger buffer than 64K with one time (mainly
1912 used from lwip_send).
1914 2007-06-21 Simon Goldschmidt
1915 * tcp.h, api_msg.c: Moved the nagle algorithm from netconn_write/do_write
1916 into a define (tcp_output_nagle) in tcp.h to provide it to raw api users, too.
1918 2007-06-21 Simon Goldschmidt
1919 * api.h, api_lib.c, api_msg.c: Fixed bug #20021: Moved sendbuf-processing in
1920 netconn_write from api_lib.c to api_msg.c to also prevent multiple context-
1921 changes on low memory or empty send-buffer.
1923 2007-06-18 Simon Goldschmidt
1924 * etharp.c, etharp.h: Changed etharp to use a defined hardware address length
1925 of 6 to avoid loading netif->hwaddr_len every time (since this file is only
1926 used for ethernet and struct eth_addr already had a defined length of 6).
1928 2007-06-17 Simon Goldschmidt
1929 * sockets.c, sockets.h: Implemented socket options SO_NO_CHECK for UDP sockets
1930 to disable UDP checksum generation on transmit.
1932 2007-06-13 Frédéric Bernon, Simon Goldschmidt
1933 * debug.h, api_msg.c: change LWIP_ERROR to use it to check errors like invalid
1934 pointers or parameters, and let the possibility to redefined it in cc.h. Use
1935 this macro to check "conn" parameter in api_msg.c functions.
1937 2007-06-11 Simon Goldschmidt
1938 * sockets.c, sockets.h: Added UDP lite support for sockets
1940 2007-06-10 Simon Goldschmidt
1941 * udp.h, opt.h, api_msg.c, ip.c, udp.c: Included switch LWIP_UDPLITE (enabled
1942 by default) to switch off UDP-Lite support if not needed (reduces udp.c code
1945 2007-06-09 Dominik Spies (integrated by Frédéric Bernon)
1946 * autoip.h, autoip.c, dhcp.h, dhcp.c, netif.h, netif.c, etharp.h, etharp.c, opt.h:
1947 AutoIP implementation available for IPv4, with new options LWIP_AUTOIP and
1948 LWIP_DHCP_AUTOIP_COOP if you want to cooperate with DHCP. Some tips to adapt
1949 (see TODO mark in the source code).
1951 2007-06-09 Simon Goldschmidt
1952 * etharp.h, etharp.c, ethernetif.c: Modified order of parameters for
1953 etharp_output() to match netif->output so etharp_output() can be used
1954 directly as netif->output to save one function call.
1956 2007-06-08 Simon Goldschmidt
1957 * netif.h, ethernetif.c, slipif.c, loopif.c: Added define
1958 NETIF_INIT_SNMP(netif, type, speed) to initialize per-netif snmp variables,
1959 added initialization of those to ethernetif, slipif and loopif.
1961 2007-05-18 Simon Goldschmidt
1962 * opt.h, ip_frag.c, ip_frag.h, ip.c: Added option IP_FRAG_USES_STATIC_BUF
1963 (defaulting to off for now) that can be set to 0 to send fragmented
1964 packets by passing PBUF_REFs down the stack.
1966 2007-05-23 Frédéric Bernon
1967 * api_lib.c: Implement SO_RCVTIMEO for accept and recv on TCP
1968 connections, such present in patch #5959.
1970 2007-05-23 Frédéric Bernon
1971 * api.h, api_lib.c, api_msg.c, sockets.c: group the different NETCONN_UDPxxx
1972 code in only one part...
1974 2007-05-18 Simon Goldschmidt
1975 * opt.h, memp.h, memp.c: Added option MEMP_OVERFLOW_CHECK to check for memp
1976 elements to overflow. This is achieved by adding some bytes before and after
1977 each pool element (increasing their size, of course), filling them with a
1978 prominent value and checking them on freeing the element.
1979 Set it to 2 to also check every element in every pool each time memp_malloc()
1980 or memp_free() is called (slower but more helpful).
1982 2007-05-10 Simon Goldschmidt
1983 * opt.h, memp.h, memp.c, pbuf.c (see task #6831): use a new memp pool for
1984 PBUF_POOL pbufs instead of the old pool implementation in pbuf.c to reduce
1987 2007-05-11 Frédéric Bernon
1988 * sockets.c, api_lib.c, api_msg.h, api_msg.c, netifapi.h, netifapi.c, tcpip.c:
1989 Include a function pointer instead of a table index in the message to reduce
1990 footprint. Disable some part of lwip_send and lwip_sendto if some options are
1991 not set (LWIP_TCP, LWIP_UDP, LWIP_RAW).
1993 2007-05-10 Simon Goldschmidt
1994 * *.h (except netif/ppp/*.h): Included patch #5448: include '#ifdef __cplusplus
1995 \ extern "C" {' in all header files. Now you can write your application using
1996 the lwIP stack in C++ and simply #include the core files. Note I have left
1997 out the netif/ppp/*h header files for now, since I don't know which files are
1998 included by applications and which are for internal use only.
2000 2007-05-09 Simon Goldschmidt
2001 * opt.h, *.c/*.h: Included patch #5920: Create define to override C-library
2002 memcpy. 2 Defines are created: MEMCPY() for normal memcpy, SMEMCPY() for
2003 situations where some compilers might inline the copy and save a function
2004 call. Also replaced all calls to memcpy() with calls to (S)MEMCPY().
2006 2007-05-08 Simon Goldschmidt
2007 * mem.h: If MEM_LIBC_MALLOC==1, allow the defines (e.g. mem_malloc() -> malloc())
2008 to be overriden in case the C-library malloc implementation is not protected
2009 against concurrent access.
2011 2007-05-04 Simon Goldschmidt (Atte Kojo)
2012 * etharp.c: Introduced fast one-entry-cache to speed up ARP lookup when sending
2013 multiple packets to the same host.
2015 2007-05-04 Frédéric Bernon, Jonathan Larmour
2016 * sockets.c, api.h, api_lib.c, api_msg.h, api_msg.c: Fix bug #19162 "lwip_sento: a possible
2017 to corrupt remote addr/port connection state". Reduce problems "not enought memory" with
2018 netbuf (if we receive lot of datagrams). Improve lwip_sendto (only one exchange between
2019 sockets api and api_msg which run in tcpip_thread context). Add netconn_sento function.
2020 Warning, if you directly access to "fromaddr" & "fromport" field from netbuf struct,
2021 these fields are now renamed "addr" & "port".
2023 2007-04-11 Jonathan Larmour
2024 * sys.h, api_lib.c: Provide new sys_mbox_tryfetch function. Require ports to provide new
2025 sys_arch_mbox_tryfetch function to get a message if one is there, otherwise return
2026 with SYS_MBOX_EMPTY. sys_arch_mbox_tryfetch can be implemented as a function-like macro
2027 by the port in sys_arch.h if desired.
2029 2007-04-06 Frédéric Bernon, Simon Goldschmidt
2030 * opt.h, tcpip.h, tcpip.c, netifapi.h, netifapi.c: New configuration option LWIP_NETIF_API
2031 allow to use thread-safe functions to add/remove netif in list, and to start/stop dhcp
2032 clients, using new functions from netifapi.h. Disable as default (no port change to do).
2034 2007-04-05 Frédéric Bernon
2035 * sockets.c: remplace ENOBUFS errors on alloc_socket by ENFILE to be more BSD compliant.
2037 2007-04-04 Simon Goldschmidt
2038 * arch.h, api_msg.c, dhcp.c, msg_in.c, sockets.c: Introduced #define LWIP_UNUSED_ARG(x)
2039 use this for and architecture-independent form to tell the compiler you intentionally
2040 are not using this variable. Can be overriden in cc.h.
2042 2007-03-28 Frédéric Bernon
2043 * opt.h, netif.h, dhcp.h, dhcp.c: New configuration option LWIP_NETIF_HOSTNAME allow to
2044 define a hostname in netif struct (this is just a pointer, so, you can use a hardcoded
2045 string, point on one of your's ethernetif field, or alloc a string you will free yourself).
2046 It will be used by DHCP to register a client hostname, but can also be use when you call
2049 2007-03-28 Frédéric Bernon
2050 * netif.h, netif.c: A new NETIF_FLAG_ETHARP flag is defined in netif.h, to allow to
2051 initialize a network interface's flag with. It tell this interface is an ethernet
2052 device, and we can use ARP with it to do a "gratuitous ARP" (RFC 3220 "IP Mobility
2053 Support for IPv4" section 4.6) when interface is "up" with netif_set_up().
2055 2007-03-26 Frédéric Bernon, Jonathan Larmour
2056 * opt.h, tcpip.c: New configuration option LWIP_ARP allow to disable ARP init at build
2057 time if you only use PPP or SLIP. The default is enable. Note we don't have to call
2058 etharp_init in your port's initilization sequence if you use tcpip.c, because this call
2059 is done in tcpip_init function.
2061 2007-03-22 Frédéric Bernon
2062 * stats.h, stats.c, msg_in.c: Stats counters can be change to u32_t if necessary with the
2063 new option LWIP_STATS_LARGE. If you need this option, define LWIP_STATS_LARGE to 1 in
2064 your lwipopts.h. More, unused counters are not defined in the stats structs, and not
2065 display by stats_display(). Note that some options (SYS_STATS and RAW_STATS) are defined
2066 but never used. Fix msg_in.c with the correct #if test for a stat display.
2068 2007-03-21 Kieran Mansley
2069 * netif.c, netif.h: Apply patch#4197 with some changes (originator: rireland@hmgsl.com).
2070 Provides callback on netif up/down state change.
2072 2007-03-11 Frédéric Bernon, Mace Gael, Steve Reynolds
2073 * sockets.h, sockets.c, api.h, api_lib.c, api_msg.h, api_msg.c, igmp.h, igmp.c,
2074 ip.c, netif.h, tcpip.c, opt.h:
2075 New configuration option LWIP_IGMP to enable IGMP processing. Based on only one
2076 filter per all network interfaces. Declare a new function in netif to enable to
2077 control the MAC filter (to reduce lwIP traffic processing).
2079 2007-03-11 Frédéric Bernon
2080 * tcp.h, tcp.c, sockets.c, tcp_out.c, tcp_in.c, opt.h: Keepalive values can
2081 be configured at run time with LWIP_TCP_KEEPALIVE, but don't change this
2082 unless you know what you're doing (default are RFC1122 compliant). Note
2083 that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set in seconds.
2085 2007-03-08 Frédéric Bernon
2086 * tcp.h: Keepalive values can be configured at compile time, but don't change
2087 this unless you know what you're doing (default are RFC1122 compliant).
2089 2007-03-08 Frédéric Bernon
2090 * sockets.c, api.h, api_lib.c, tcpip.c, sys.h, sys.c, err.c, opt.h:
2091 Implement LWIP_SO_RCVTIMEO configuration option to enable/disable SO_RCVTIMEO
2092 on UDP sockets/netconn.
2094 2007-03-08 Simon Goldschmidt
2095 * snmp_msg.h, msg_in.c: SNMP UDP ports can be configured at compile time.
2097 2007-03-06 Frédéric Bernon
2098 * api.h, api_lib.c, sockets.h, sockets.c, tcpip.c, sys.h, sys.c, err.h:
2099 Implement SO_RCVTIMEO on UDP sockets/netconn.
2101 2007-02-28 Kieran Mansley (based on patch from Simon Goldschmidt)
2102 * api_lib.c, tcpip.c, memp.c, memp.h: make API msg structs allocated
2103 on the stack and remove the API msg type from memp
2105 2007-02-26 Jonathan Larmour (based on patch from Simon Goldschmidt)
2106 * sockets.h, sockets.c: Move socket initialization to new
2107 lwip_socket_init() function.
2108 NOTE: this changes the API with ports. Ports will have to be
2109 updated to call lwip_socket_init() now.
2111 2007-02-26 Jonathan Larmour (based on patch from Simon Goldschmidt)
2112 * api_lib.c: Use memcpy in netbuf_copy_partial.
2117 2008-03-17 Frédéric Bernon, Ed Kerekes
2118 * igmp.h, igmp.c: Fix bug #22613 "IGMP iphdr problem" (could have
2119 some problems to fill the IP header on some targets, use now the
2120 ip.h macros to do it).
2122 2008-03-13 Frédéric Bernon
2123 * sockets.c: Fix bug #22435 "lwip_recvfrom with TCP break;". Using
2124 (lwip_)recvfrom with valid "from" and "fromlen" parameters, on a
2125 TCP connection caused a crash. Note that using (lwip_)recvfrom
2126 like this is a bit slow and that using (lwip)getpeername is the
2127 good lwip way to do it (so, using recv is faster on tcp sockets).
2129 2008-03-12 Frédéric Bernon, Jonathan Larmour
2130 * api_msg.c, contrib/apps/ping.c: Fix bug #22530 "api_msg.c's
2131 recv_raw() does not consume data", and the ping sample (with
2132 LWIP_SOCKET=1, the code did the wrong supposition that lwip_recvfrom
2133 returned the IP payload, without the IP header).
2135 2008-03-04 Jonathan Larmour
2136 * mem.c, stats.c, mem.h: apply patch #6414 to avoid compiler errors
2137 and/or warnings on some systems where mem_size_t and size_t differ.
2138 * pbuf.c, ppp.c: Fix warnings on some systems with mem_malloc.
2140 2008-03-04 Kieran Mansley (contributions by others)
2141 * Numerous small compiler error/warning fixes from contributions to
2142 mailing list after 1.3.0 release candidate made.
2144 2008-01-25 Cui hengbin (integrated by Frédéric Bernon)
2145 * dns.c: Fix bug #22108 "DNS problem" caused by unaligned structures.
2147 2008-01-15 Kieran Mansley
2148 * tcp_out.c: BUG20511. Modify persist timer to start when we are
2149 prevented from sending by a small send window, not just a zero
2152 2008-01-09 Jonathan Larmour
2153 * opt.h, ip.c: Rename IP_OPTIONS define to IP_OPTIONS_ALLOWED to avoid
2154 conflict with Linux system headers.
2156 2008-01-06 Jonathan Larmour
2157 * dhcp.c: fix bug #19927: "DHCP NACK problem" by clearing any existing set IP
2158 address entirely on receiving a DHCPNAK, and restarting discovery.
2160 2007-12-21 Simon Goldschmidt
2161 * sys.h, api_lib.c, api_msg.c, sockets.c: fix bug #21698: "netconn->recv_avail
2162 is not protected" by using new macros for interlocked access to modify/test
2163 netconn->recv_avail.
2165 2007-12-20 Kieran Mansley (based on patch from Oleg Tyshev)
2166 * tcp_in.c: fix bug# 21535 (nrtx not reset correctly in SYN_SENT state)
2168 2007-12-20 Kieran Mansley (based on patch from Per-Henrik Lundbolm)
2169 * tcp.c, tcp_in.c, tcp_out.c, tcp.h: fix bug #20199 (better handling
2170 of silly window avoidance and prevent lwIP from shrinking the window)
2172 2007-12-04 Simon Goldschmidt
2173 * tcp.c, tcp_in.c: fix bug #21699 (segment leak in ooseq processing when last
2174 data packet was lost): add assert that all segment lists are empty in
2175 tcp_pcb_remove before setting pcb to CLOSED state; don't directly set CLOSED
2176 state from LAST_ACK in tcp_process
2178 2007-12-02 Simon Goldschmidt
2179 * sockets.h: fix bug #21654: exclude definition of struct timeval from #ifndef FD_SET
2180 If including <sys/time.h> for system-struct timeval, LWIP_TIMEVAL_PRIVATE now
2181 has to be set to 0 in lwipopts.h
2183 2007-12-02 Simon Goldschmidt
2184 * api_msg.c, api_lib.c: fix bug #21656 (recvmbox problem in netconn API): always
2185 allocate a recvmbox in netconn_new_with_proto_and_callback. For a tcp-listen
2186 netconn, this recvmbox is later freed and a new mbox is allocated for acceptmbox.
2187 This is a fix for thread-safety and allocates all items needed for a netconn
2188 when the netconn is created.
2190 2007-11-30 Simon Goldschmidt
2191 * udp.c: first attempt to fix bug #21655 (DHCP doesn't work reliably with multiple
2192 netifs): if LWIP_DHCP is enabled, UDP packets to DHCP_CLIENT_PORT are passed
2193 to netif->dhcp->pcb only (if that exists) and not to any other pcb for the same
2194 port (only solution to let UDP pcbs 'bind' to a netif instead of an IP address)
2196 2007-11-27 Simon Goldschmidt
2197 * ip.c: fixed bug #21643 (udp_send/raw_send don't fail if netif is down) by
2198 letting ip_route only use netifs that are up.
2200 2007-11-27 Simon Goldschmidt
2201 * err.h, api_lib.c, api_msg.c, sockets.c: Changed error handling: ERR_MEM, ERR_BUF
2202 and ERR_RTE are seen as non-fatal, all other errors are fatal. netconns and
2203 sockets block most operations once they have seen a fatal error.
2205 2007-11-27 Simon Goldschmidt
2206 * udp.h, udp.c, dhcp.c: Implemented new function udp_sendto_if which takes the
2207 netif to send as an argument (to be able to send on netifs that are down).
2209 2007-11-26 Simon Goldschmidt
2210 * tcp_in.c: Fixed bug #21582: pcb->acked accounting can be wrong when ACKs
2213 2007-11-21 Simon Goldschmidt
2214 * tcp.h, tcp_out.c, api_msg.c: Fixed bug #20287: tcp_output_nagle sends too early
2215 Fixed the nagle algorithm; nagle now also works for all raw API applications
2216 and has to be explicitly disabled with 'tcp_pcb->flags |= TF_NODELAY'
2218 2007-11-12 Frédéric Bernon
2219 * sockets.c, api.h, api_lib.c, api_msg.h, api_msg.c: Fixed bug #20900. Now, most
2220 of the netconn_peer and netconn_addr processing is done inside tcpip_thread
2221 context in do_getaddr.
2223 2007-11-10 Simon Goldschmidt
2224 * etharp.c: Fixed bug: assert fired when MEMP_ARP_QUEUE was empty (which can
2225 happen any time). Now the packet simply isn't enqueued when out of memory.
2227 2007-11-01 Simon Goldschmidt
2228 * tcp.c, tcp_in.c: Fixed bug #21494: The send mss (pcb->mss) is set to 536 (or
2229 TCP_MSS if that is smaller) as long as no MSS option is received from the
2232 2007-11-01 Simon Goldschmidt
2233 * tcp.h, tcp.c, tcp_in.c: Fixed bug #21491: The MSS option sent (with SYN)
2234 is now based on TCP_MSS instead of pcb->mss (on passive open now effectively
2235 sending our configured TCP_MSS instead of the one received).
2237 2007-11-01 Simon Goldschmidt
2238 * tcp_in.c: Fixed bug #21181: On active open, the initial congestion window was
2239 calculated based on the configured TCP_MSS, not on the MSS option received
2242 2007-10-09 Simon Goldschmidt
2243 * udp.c, inet.c, inet.h: Fixed UDPLite: send: Checksum was always generated too
2244 short and also was generated wrong if checksum coverage != tot_len;
2245 receive: checksum was calculated wrong if checksum coverage != tot_len
2247 2007-10-08 Simon Goldschmidt
2248 * mem.c: lfree was not updated in mem_realloc!
2250 2007-10-07 Frédéric Bernon
2251 * sockets.c, api.h, api_lib.c: First step to fix "bug #20900 : Potential
2252 crash error problem with netconn_peer & netconn_addr". VERY IMPORTANT:
2253 this change cause an API breakage for netconn_addr, since a parameter
2254 type change. Any compiler should cause an error without any changes in
2255 yours netconn_peer calls (so, it can't be a "silent change"). It also
2256 reduce a little bit the footprint for socket layer (lwip_getpeername &
2257 lwip_getsockname use now a common lwip_getaddrname function since
2258 netconn_peer & netconn_addr have the same parameters).
2260 2007-09-20 Simon Goldschmidt
2261 * tcp.c: Fixed bug #21080 (tcp_bind without check pcbs in TIME_WAIT state)
2262 by checking tcp_tw_pcbs also
2264 2007-09-19 Simon Goldschmidt
2265 * icmp.c: Fixed bug #21107 (didn't reset IP TTL in ICMP echo replies)
2267 2007-09-15 Mike Kleshov
2268 * mem.c: Fixed bug #21077 (inaccuracy in calculation of lwip_stat.mem.used)
2270 2007-09-06 Frédéric Bernon
2271 * several-files: replace some #include "arch/cc.h" by "lwip/arch.h", or simply remove
2272 it as long as "lwip/opt.h" is included before (this one include "lwip/debug.h" which
2273 already include "lwip/arch.h"). Like that, default defines are provided by "lwip/arch.h"
2274 if they are not defined in cc.h, in the same spirit than "lwip/opt.h" for lwipopts.h.
2276 2007-08-30 Frédéric Bernon
2277 * igmp.h, igmp.c: Some changes to remove some redundant code, add some traces,
2278 and fix some coding style.
2280 2007-08-28 Frédéric Bernon
2281 * tcpip.c: Fix TCPIP_MSG_INPKT processing: now, tcpip_input can be used for any
2282 kind of packets. These packets are considered like Ethernet packets (payload
2283 pointing to ethhdr) if the netif got the NETIF_FLAG_ETHARP flag. Else, packets
2284 are considered like IP packets (payload pointing to iphdr).
2286 2007-08-27 Frédéric Bernon
2287 * api.h, api_lib.c, api_msg.c: First fix for "bug #20900 : Potential crash error
2288 problem with netconn_peer & netconn_addr". Introduce NETCONN_LISTEN netconn_state
2289 and remove obsolete ones (NETCONN_RECV & NETCONN_ACCEPT).
2291 2007-08-24 Kieran Mansley
2292 * inet.c Modify (acc >> 16) test to ((acc >> 16) != 0) to help buggy
2293 compiler (Paradigm C++)
2295 2007-08-09 Frédéric Bernon, Bill Florac
2296 * stats.h, stats.c, igmp.h, igmp.c, opt.h: Fix for bug #20503 : IGMP Improvement.
2297 Introduce IGMP_STATS to centralize statistics management.
2299 2007-08-09 Frédéric Bernon, Bill Florac
2300 * udp.c: Fix for bug #20503 : IGMP Improvement. Enable to receive a multicast
2301 packet on a udp pcb binded on an netif's IP address, and not on "any".
2303 2007-08-09 Frédéric Bernon, Bill Florac
2304 * igmp.h, igmp.c, ip.c: Fix minor changes from bug #20503 : IGMP Improvement.
2305 This is mainly on using lookup/lookfor, and some coding styles...
2307 2007-07-26 Frédéric Bernon (and "thedoctor")
2308 * igmp.c: Fix bug #20595 to accept IGMPv3 "Query" messages.
2310 2007-07-25 Simon Goldschmidt
2311 * api_msg.c, tcp.c: Another fix for bug #20021: by not returning an error if
2312 tcp_output fails in tcp_close, the code in do_close_internal gets simpler
2313 (tcp_output is called again later from tcp timers).
2315 2007-07-25 Simon Goldschmidt
2316 * ip_frag.c: Fixed bug #20429: use the new pbuf_copy_partial instead of the old
2317 copy_from_pbuf, which illegally modified the given pbuf.
2319 2007-07-25 Simon Goldschmidt
2320 * tcp_out.c: tcp_enqueue: pcb->snd_queuelen didn't work for chaine PBUF_RAMs:
2321 changed snd_queuelen++ to snd_queuelen += pbuf_clen(p).
2323 2007-07-24 Simon Goldschmidt
2324 * api_msg.c, tcp.c: Fix bug #20480: Check the pcb passed to tcp_listen() for the
2325 correct state (must be CLOSED).
2327 2007-07-13 Thomas Taranowski (commited by Jared Grubb)
2328 * memp.c: Fix bug #20478: memp_malloc returned NULL+MEMP_SIZE on failed
2329 allocation. It now returns NULL.
2331 2007-07-13 Frédéric Bernon
2332 * api_msg.c: Fix bug #20318: api_msg "recv" callbacks don't call pbuf_free in
2335 2007-07-13 Frédéric Bernon
2336 * api_msg.c: Fix bug #20315: possible memory leak problem if tcp_listen failed,
2337 because current code doesn't follow rawapi.txt documentation.
2339 2007-07-13 Kieran Mansley
2340 * src/core/tcp_in.c Apply patch#5741 from Oleg Tyshev to fix bug in
2341 out of sequence processing of received packets
2343 2007-07-03 Simon Goldschmidt
2344 * nearly-all-files: Added assertions where PBUF_RAM pbufs are used and an
2345 assumption is made that this pbuf is in one piece (i.e. not chained). These
2346 assumptions clash with the possibility of converting to fully pool-based
2347 pbuf implementations, where PBUF_RAM pbufs might be chained.
2349 2007-07-03 Simon Goldschmidt
2350 * api.h, api_lib.c, api_msg.c: Final fix for bug #20021 and some other problems
2351 when closing tcp netconns: removed conn->sem, less context switches when
2352 closing, both netconn_close and netconn_delete should safely close tcp
2355 2007-07-02 Simon Goldschmidt
2356 * ipv4/ip.h, ipv6/ip.h, opt.h, netif.h, etharp.h, ipv4/ip.c, netif.c, raw.c,
2357 tcp_out.c, udp.c, etharp.c: Added option LWIP_NETIF_HWADDRHINT (default=off)
2358 to cache ARP table indices with each pcb instead of single-entry cache for
2361 2007-07-02 Simon Goldschmidt
2362 * tcp.h, tcp.c, tcp_in.c, tcp_out.c: Added some ASSERTS and casts to prevent
2363 warnings when assigning to smaller types.
2365 2007-06-28 Simon Goldschmidt
2366 * tcp_out.c: Added check to prevent tcp_pcb->snd_queuelen from overflowing.
2368 2007-06-28 Simon Goldschmidt
2369 * tcp.h: Fixed bug #20287: Fixed nagle algorithm (sending was done too early if
2370 a segment contained chained pbufs)
2372 2007-06-28 Frédéric Bernon
2373 * autoip.c: replace most of rand() calls by a macro LWIP_AUTOIP_RAND which compute
2374 a "pseudo-random" value based on netif's MAC and some autoip fields. It's always
2375 possible to define this macro in your own lwipopts.h to always use C library's
2376 rand(). Note that autoip_create_rand_addr doesn't use this macro.
2378 2007-06-28 Frédéric Bernon
2379 * netifapi.h, netifapi.c, tcpip.h, tcpip.c: Update code to handle the option
2380 LWIP_TCPIP_CORE_LOCKING, and do some changes to be coherent with last modifications
2381 in api_lib/api_msg (use pointers and not type with table, etc...)
2383 2007-06-26 Simon Goldschmidt
2384 * udp.h: Fixed bug #20259: struct udp_hdr was lacking the packin defines.
2386 2007-06-25 Simon Goldschmidt
2387 * udp.c: Fixed bug #20253: icmp_dest_unreach was called with a wrong p->payload
2388 for udp packets with no matching pcb.
2390 2007-06-25 Simon Goldschmidt
2391 * udp.c: Fixed bug #20220: UDP PCB search in udp_input(): a non-local match
2392 could get udp input packets if the remote side matched.
2394 2007-06-13 Simon Goldschmidt
2395 * netif.c: Fixed bug #20180 (TCP pcbs listening on IP_ADDR_ANY could get
2396 changed in netif_set_ipaddr if previous netif->ip_addr.addr was 0.
2398 2007-06-13 Simon Goldschmidt
2399 * api_msg.c: pcb_new sets conn->err if protocol is not implemented
2400 -> netconn_new_..() does not allocate a new connection for unsupported
2403 2007-06-13 Frédéric Bernon, Simon Goldschmidt
2404 * api_lib.c: change return expression in netconn_addr and netconn_peer, because
2405 conn->err was reset to ERR_OK without any reasons (and error was lost)...
2407 2007-06-13 Frédéric Bernon, Matthias Weisser
2408 * opt.h, mem.h, mem.c, memp.c, pbuf.c, ip_frag.c, vj.c: Fix bug #20162. Rename
2409 MEM_ALIGN in LWIP_MEM_ALIGN and MEM_ALIGN_SIZE in LWIP_MEM_ALIGN_SIZE to avoid
2410 some macro names collision with some OS macros.
2412 2007-06-11 Simon Goldschmidt
2413 * udp.c: UDP Lite: corrected the use of chksum_len (based on RFC3828: if it's 0,
2414 create checksum over the complete packet. On RX, if it's < 8 (and not 0),
2415 discard the packet. Also removed the duplicate 'udphdr->chksum = 0' for both
2418 2007-06-11 Srinivas Gollakota & Oleg Tyshev
2419 * tcp_out.c: Fix for bug #20075 : "A problem with keep-alive timer and TCP flags"
2420 where TCP flags wasn't initialized in tcp_keepalive.
2422 2007-06-03 Simon Goldschmidt
2423 * udp.c: udp_input(): Input pbuf was not freed if pcb had no recv function
2424 registered, p->payload was modified without modifying p->len if sending
2425 icmp_dest_unreach() (had no negative effect but was definitively wrong).
2427 2007-06-03 Simon Goldschmidt
2428 * icmp.c: Corrected bug #19937: For responding to an icmp echo request, icmp
2429 re-used the input pbuf even if that didn't have enough space to include the
2430 link headers. Now the space is tested and a new pbuf is allocated for the
2431 echo response packet if the echo request pbuf isn't big enough.
2433 2007-06-01 Simon Goldschmidt
2434 * sockets.c: Checked in patch #5914: Moved sockopt processing into tcpip_thread.
2436 2007-05-23 Frédéric Bernon
2437 * api_lib.c, sockets.c: Fixed bug #5958 for netconn_listen (acceptmbox only
2438 allocated by do_listen if success) and netconn_accept errors handling. In
2439 most of api_lib functions, we replace some errors checkings like "if (conn==NULL)"
2440 by ASSERT, except for netconn_delete.
2442 2007-05-23 Frédéric Bernon
2443 * api_lib.c: Fixed bug #5957 "Safe-thread problem inside netconn_recv" to return
2444 an error code if it's impossible to fetch a pbuf on a TCP connection (and not
2445 directly close the recvmbox).
2447 2007-05-22 Simon Goldschmidt
2448 * tcp.c: Fixed bug #1895 (tcp_bind not correct) by introducing a list of
2449 bound but unconnected (and non-listening) tcp_pcbs.
2451 2007-05-22 Frédéric Bernon
2452 * sys.h, sys.c, api_lib.c, tcpip.c: remove sys_mbox_fetch_timeout() (was only
2453 used for LWIP_SO_RCVTIMEO option) and use sys_arch_mbox_fetch() instead of
2454 sys_mbox_fetch() in api files. Now, users SHOULD NOT use internal lwIP features
2455 like "sys_timeout" in their application threads.
2457 2007-05-22 Frédéric Bernon
2458 * api.h, api_lib.c, api_msg.h, api_msg.c: change the struct api_msg_msg to see
2459 which parameters are used by which do_xxx function, and to avoid "misusing"
2460 parameters (patch #5938).
2462 2007-05-22 Simon Goldschmidt
2463 * api_lib.c, api_msg.c, raw.c, api.h, api_msg.h, raw.h: Included patch #5938:
2464 changed raw_pcb.protocol from u16_t to u8_t since for IPv4 and IPv6, proto
2465 is only 8 bits wide. This affects the api, as there, the protocol was
2468 2007-05-18 Simon Goldschmidt
2469 * memp.c: addition to patch #5913: smaller pointer was returned but
2470 memp_memory was the same size -> did not save memory.
2472 2007-05-16 Simon Goldschmidt
2473 * loopif.c, slipif.c: Fix bug #19729: free pbuf if netif->input() returns
2476 2007-05-16 Simon Goldschmidt
2477 * api_msg.c, udp.c: If a udp_pcb has a local_ip set, check if it is the same
2478 as the one of the netif used for sending to prevent sending from old
2479 addresses after a netif address gets changed (partly fixes bug #3168).
2481 2007-05-16 Frédéric Bernon
2482 * tcpip.c, igmp.h, igmp.c: Fixed bug "#19800 : IGMP: igmp_tick() will not work
2483 with NO_SYS=1". Note that igmp_init is always in tcpip_thread (and not in
2484 tcpip_init) because we have to be sure that network interfaces are already
2485 added (mac filter is updated only in igmp_init for the moment).
2487 2007-05-16 Simon Goldschmidt
2488 * mem.c, memp.c: Removed semaphores from memp, changed sys_sem_wait calls
2489 into sys_arch_sem_wait calls to prevent timers from running while waiting
2490 for the heap. This fixes bug #19167.
2492 2007-05-13 Simon Goldschmidt
2493 * tcp.h, sockets.h, sockets.c: Fixed bug from patch #5865 by moving the defines
2494 for socket options (lwip_set/-getsockopt) used with level IPPROTO_TCP from
2497 2007-05-07 Simon Goldschmidt
2498 * mem.c: Another attempt to fix bug #17922.
2500 2007-05-04 Simon Goldschmidt
2501 * pbuf.c, pbuf.h, etharp.c: Further update to ARP queueing: Changed pbuf_copy()
2502 implementation so that it can be reused (don't allocate the target
2503 pbuf inside pbuf_copy()).
2505 2007-05-04 Simon Goldschmidt
2506 * memp.c: checked in patch #5913: in memp_malloc() we can return memp as mem
2507 to save a little RAM (next pointer of memp is not used while not in pool).
2510 * sockets.c: Fix ioctl FIONREAD when some data remains from last recv.
2513 2007-04-23 Simon Goldschmidt
2514 * loopif.c, loopif.h, opt.h, src/netif/FILES: fix bug #2595: "loopif results
2515 in NULL reference for incoming TCP packets". Loopif has to be configured
2516 (using LWIP_LOOPIF_MULTITHREADING) to directly call netif->input()
2517 (multithreading environments, e.g. netif->input() = tcpip_input()) or
2518 putting packets on a list that is fed to the stack by calling loopif_poll()
2519 (single-thread / NO_SYS / polling environment where e.g.
2520 netif->input() = ip_input).
2522 2007-04-17 Jonathan Larmour
2523 * pbuf.c: Use s32_t in pbuf_realloc(), as an s16_t can't reliably hold
2524 the difference between two u16_t's.
2525 * sockets.h: FD_SETSIZE needs to match number of sockets, which is
2526 MEMP_NUM_NETCONN in sockets.c right now.
2528 2007-04-12 Jonathan Larmour
2529 * icmp.c: Reset IP header TTL in ICMP ECHO responses (bug #19580).
2531 2007-04-12 Kieran Mansley
2532 * tcp.c, tcp_in.c, tcp_out.c, tcp.h: Modify way the retransmission
2533 timer is reset to fix bug#19434, with help from Oleg Tyshev.
2535 2007-04-11 Simon Goldschmidt
2536 * etharp.c, pbuf.c, pbuf.h: 3rd fix for bug #11400 (arp-queuing): More pbufs than
2537 previously thought need to be copied (everything but PBUF_ROM!). Cleaned up
2538 pbuf.c: removed functions no needed any more (by etharp).
2540 2007-04-11 Kieran Mansley
2541 * inet.c, ip_addr.h, sockets.h, sys.h, tcp.h: Apply patch #5745: Fix
2542 "Constant is long" warnings with 16bit compilers. Contributed by
2543 avatar@mmlab.cse.yzu.edu.tw
2545 2007-04-05 Frédéric Bernon, Jonathan Larmour
2546 * api_msg.c: Fix bug #16830: "err_tcp() posts to connection mailbox when no pend on
2547 the mailbox is active". Now, the post is only done during a connect, and do_send,
2548 do_write and do_join_leave_group don't do anything if a previous error was signaled.
2550 2007-04-03 Frédéric Bernon
2551 * ip.c: Don't set the IP_DF ("Don't fragment") flag in the IP header in IP output
2552 packets. See patch #5834.
2554 2007-03-30 Frédéric Bernon
2555 * api_msg.c: add a "pcb_new" helper function to avoid redundant code, and to add
2556 missing pcb allocations checking (in do_bind, and for each raw_new). Fix style.
2558 2007-03-30 Frédéric Bernon
2559 * most of files: prefix all debug.h define with "LWIP_" to avoid any conflict with
2560 others environment defines (these were too "generic").
2562 2007-03-28 Frédéric Bernon
2563 * api.h, api_lib.c, sockets.c: netbuf_ref doesn't check its internal pbuf_alloc call
2564 result and can cause a crash. lwip_send now check netbuf_ref result.
2566 2007-03-28 Simon Goldschmidt
2567 * sockets.c Remove "#include <errno.h>" from sockets.c to avoid multiple
2568 definition of macros (in errno.h and lwip/arch.h) if LWIP_PROVIDE_ERRNO is
2569 defined. This is the way it should have been already (looking at
2572 2007-03-28 Kieran Mansley
2573 * opt.h Change default PBUF_POOL_BUFSIZE (again) to accomodate default MSS +
2574 IP and TCP headers *and* physical link headers
2576 2007-03-26 Frédéric Bernon (based on patch from Dmitry Potapov)
2577 * api_lib.c: patch for netconn_write(), fixes a possible race condition which cause
2578 to send some garbage. It is not a definitive solution, but the patch does solve
2579 the problem for most cases.
2581 2007-03-22 Frédéric Bernon
2582 * api_msg.h, api_msg.c: Remove obsolete API_MSG_ACCEPT and do_accept (never used).
2584 2007-03-22 Frédéric Bernon
2585 * api_lib.c: somes resources couldn't be freed if there was errors during
2586 netconn_new_with_proto_and_callback.
2588 2007-03-22 Frédéric Bernon
2589 * ethernetif.c: update netif->input calls to check return value. In older ports,
2590 it's a good idea to upgrade them, even if before, there could be another problem
2591 (access to an uninitialized mailbox).
2593 2007-03-21 Simon Goldschmidt
2594 * sockets.c: fixed bug #5067 (essentialy a signed/unsigned warning fixed
2595 by casting to unsigned).
2597 2007-03-21 Frédéric Bernon
2598 * api_lib.c, api_msg.c, tcpip.c: integrate sys_mbox_fetch(conn->mbox, NULL) calls from
2599 api_lib.c to tcpip.c's tcpip_apimsg(). Now, use a local variable and not a
2600 dynamic one from memp to send tcpip_msg to tcpip_thread in a synchrone call.
2601 Free tcpip_msg from tcpip_apimsg is not done in tcpip_thread. This give a
2602 faster and more reliable communication between api_lib and tcpip.
2604 2007-03-21 Frédéric Bernon
2605 * opt.h: Add LWIP_NETIF_CALLBACK (to avoid compiler warning) and set it to 0.
2607 2007-03-21 Frédéric Bernon
2608 * api_msg.c, igmp.c, igmp.h: Fix C++ style comments
2610 2007-03-21 Kieran Mansley
2611 * opt.h Change default PBUF_POOL_BUFSIZE to accomodate default MSS +
2614 2007-03-21 Kieran Mansley
2615 * Fix all uses of pbuf_header to check the return value. In some
2616 cases just assert if it fails as I'm not sure how to fix them, but
2617 this is no worse than before when they would carry on regardless
2620 2007-03-21 Kieran Mansley
2621 * sockets.c, igmp.c, igmp.h, memp.h: Fix C++ style comments and
2622 comment out missing header include in icmp.c
2624 2007-03-20 Frédéric Bernon
2625 * memp.h, stats.c: Fix stats_display function where memp_names table wasn't
2626 synchronized with memp.h.
2628 2007-03-20 Frédéric Bernon
2629 * tcpip.c: Initialize tcpip's mbox, and verify if initialized in tcpip_input,
2630 tcpip_ethinput, tcpip_callback, tcpip_apimsg, to fix a init problem with
2631 network interfaces. Also fix a compiler warning.
2633 2007-03-20 Kieran Mansley
2634 * udp.c: Only try and use pbuf_header() to make space for headers if
2635 not a ROM or REF pbuf.
2637 2007-03-19 Frédéric Bernon
2638 * api_msg.h, api_msg.c, tcpip.h, tcpip.c: Add return types to tcpip_apimsg()
2641 2007-03-19 Frédéric Bernon
2642 * Remove unimplemented "memp_realloc" function from memp.h.
2644 2007-03-11 Simon Goldschmidt
2645 * pbuf.c: checked in patch #5796: pbuf_alloc: len field claculation caused
2648 2007-03-11 Simon Goldschmidt (based on patch from Dmitry Potapov)
2649 * api_lib.c, sockets.c, api.h, api_msg.h, sockets.h: Fixed bug #19251
2650 (missing `const' qualifier in socket functions), to get more compatible to
2651 standard POSIX sockets.
2653 2007-03-11 Frédéric Bernon (based on patch from Dmitry Potapov)
2654 * sockets.c: Add asserts inside bind, connect and sendto to check input
2655 parameters. Remove excessive set_errno() calls after get_socket(), because
2656 errno is set inside of get_socket(). Move last sock_set_errno() inside
2659 2007-03-09 Simon Goldschmidt
2660 * memp.c: Fixed bug #11400: New etharp queueing introduced bug: memp_memory
2661 was allocated too small.
2663 2007-03-06 Simon Goldschmidt
2664 * tcpip.c: Initialize dhcp timers in tcpip_thread (if LWIP_DHCP) to protect
2665 the stack from concurrent access.
2667 2007-03-06 Frédéric Bernon, Dmitry Potapov
2668 * tcpip.c, ip_frag.c, ethernetif.c: Fix some build problems, and a redundancy
2669 call to "lwip_stats.link.recv++;" in low_level_input() & ethernetif_input().
2671 2007-03-06 Simon Goldschmidt
2672 * ip_frag.c, ip_frag.h: Reduce code size: don't include code in those files
2673 if IP_FRAG == 0 and IP_REASSEMBLY == 0
2675 2007-03-06 Frédéric Bernon, Simon Goldschmidt
2676 * opt.h, ip_frag.h, tcpip.h, tcpip.c, ethernetif.c: add new configuration
2677 option named ETHARP_TCPIP_ETHINPUT, which enable the new tcpip_ethinput.
2678 Allow to do ARP processing for incoming packets inside tcpip_thread
2679 (protecting ARP layer against concurrent access). You can also disable
2680 old code using tcp_input with new define ETHARP_TCPIP_INPUT set to 0.
2681 Older ports have to use tcpip_ethinput.
2683 2007-03-06 Simon Goldschmidt (based on patch from Dmitry Potapov)
2684 * err.h, err.c: fixed compiler warning "initialization dircards qualifiers
2685 from pointer target type"
2687 2007-03-05 Frédéric Bernon
2688 * opt.h, sockets.h: add new configuration options (LWIP_POSIX_SOCKETS_IO_NAMES,
2689 ETHARP_TRUST_IP_MAC, review SO_REUSE)
2691 2007-03-04 Frédéric Bernon
2692 * api_msg.c: Remove some compiler warnings : parameter "pcb" was never
2695 2007-03-04 Frédéric Bernon
2696 * api_lib.c: Fix "[patch #5764] api_lib.c cleanup: after patch #5687" (from
2698 The api_msg struct stay on the stack (not moved to netconn struct).
2700 2007-03-04 Simon Goldschmidt (based on patch from Dmitry Potapov)
2701 * pbuf.c: Fix BUG#19168 - pbuf_free can cause deadlock (if
2702 SYS_LIGHTWEIGHT_PROT=1 & freeing PBUF_RAM when mem_sem is not available)
2703 Also fixed cast warning in pbuf_alloc()
2705 2007-03-04 Simon Goldschmidt
2706 * etharp.c, etharp.h, memp.c, memp.h, opt.h: Fix BUG#11400 - don't corrupt
2707 existing pbuf chain when enqueuing multiple pbufs to a pending ARP request
2709 2007-03-03 Frédéric Bernon
2710 * udp.c: remove obsolete line "static struct udp_pcb *pcb_cache = NULL;"
2711 It is static, and never used in udp.c except udp_init().
2713 2007-03-02 Simon Goldschmidt
2714 * tcpip.c: Moved call to ip_init(), udp_init() and tcp_init() from
2715 tcpip_thread() to tcpip_init(). This way, raw API connections can be
2716 initialized before tcpip_thread is running (e.g. before OS is started)
2718 2007-03-02 Frédéric Bernon
2719 * rawapi.txt: Fix documentation mismatch with etharp.h about etharp_tmr's call
2722 2007-02-28 Kieran Mansley
2723 * pbuf.c: Fix BUG#17645 - ensure pbuf payload pointer is not moved
2724 outside the region of the pbuf by pbuf_header()
2726 2007-02-28 Kieran Mansley
2727 * sockets.c: Fix BUG#19161 - ensure milliseconds timeout is non-zero
2728 when supplied timeout is also non-zero
2732 2006-12-05 Leon Woestenberg
2733 * CHANGELOG: Mention STABLE-1.2.0 release.
2737 2006-12-01 Christiaan Simons
2738 * mem.h, opt.h: Added MEM_LIBC_MALLOC option.
2739 Note this is a workaround. Currently I have no other options left.
2741 2006-10-26 Christiaan Simons (accepted patch by Jonathan Larmour)
2742 * ipv4/ip_frag.c: rename MAX_MTU to IP_FRAG_MAX_MTU and move define
2743 to include/lwip/opt.h.
2744 * ipv4/lwip/ip_frag.h: Remove unused IP_REASS_INTERVAL.
2745 Move IP_REASS_MAXAGE and IP_REASS_BUFSIZE to include/lwip/opt.h.
2746 * opt.h: Add above new options.
2748 2006-08-18 Christiaan Simons
2749 * tcp_{in,out}.c: added SNMP counters.
2750 * ipv4/ip.c: added SNMP counters.
2751 * ipv4/ip_frag.c: added SNMP counters.
2753 2006-08-08 Christiaan Simons
2754 * etharp.{c,h}: added etharp_find_addr() to read
2755 (stable) ethernet/IP address pair from ARP table
2757 2006-07-14 Christiaan Simons
2758 * mib_structs.c: added
2759 * include/lwip/snmp_structs.h: added
2760 * netif.{c,h}, netif/ethernetif.c: added SNMP statistics to netif struct
2762 2006-07-06 Christiaan Simons
2763 * snmp/asn1_{enc,dec}.c added
2765 * snmp/msg_{in,out}.c added
2766 * include/lwip/snmp_asn1.h added
2767 * include/lwip/snmp_msg.h added
2768 * doc/snmp_agent.txt added
2770 2006-03-29 Christiaan Simons
2771 * inet.c, inet.h: Added platform byteswap support.
2772 Added LWIP_PLATFORM_BYTESWAP define (defaults to 0) and
2773 optional LWIP_PLATFORM_HTONS(), LWIP_PLATFORM_HTONL() macros.
2777 2006-11-30 Christiaan Simons
2778 * dhcp.c: Fixed false triggers of request_timeout.
2780 2006-11-28 Christiaan Simons
2781 * netif.c: In netif_add() fixed missing clear of ip_addr, netmask, gw and flags.
2783 2006-10-11 Christiaan Simons
2784 * api_lib.c etharp.c, ip.c, memp.c, stats.c, sys.{c,h} tcp.h:
2785 Partially accepted patch #5449 for ANSI C compatibility / build fixes.
2786 * ipv4/lwip/ip.h ipv6/lwip/ip.h: Corrected UDP-Lite protocol
2787 identifier from 170 to 136 (bug #17574).
2789 2006-10-10 Christiaan Simons
2790 * api_msg.c: Fixed Nagle algorithm as reported by Bob Grice.
2792 2006-08-17 Christiaan Simons
2793 * udp.c: Fixed bug #17200, added check for broadcast
2794 destinations for PCBs bound to a unicast address.
2796 2006-08-07 Christiaan Simons
2797 * api_msg.c: Flushing TCP output in do_close() (bug #15926).
2799 2006-06-27 Christiaan Simons
2800 * api_msg.c: Applied patch for cold case (bug #11135).
2801 In accept_function() ensure newconn->callback is always initialized.
2803 2006-06-15 Christiaan Simons
2804 * mem.h: added MEM_SIZE_F alias to fix an ancient cold case (bug #1748),
2805 facilitate printing of mem_size_t and u16_t statistics.
2807 2006-06-14 Christiaan Simons
2808 * api_msg.c: Applied patch #5146 to handle allocation failures
2809 in accept() by Kevin Lawson.
2811 2006-05-26 Christiaan Simons
2812 * api_lib.c: Removed conn->sem creation and destruction
2813 from netconn_write() and added sys_sem_new to netconn_new_*.
2817 2006-03-03 Christiaan Simons
2818 * ipv4/ip_frag.c: Added bound-checking assertions on ip_reassbitmap
2819 access and added pbuf_alloc() return value checks.
2821 2006-01-01 Leon Woestenberg <leon.woestenberg@gmx.net>
2822 * tcp_{in,out}.c, tcp_out.c: Removed 'even sndbuf' fix in TCP, which is
2823 now handled by the checksum routine properly.
2825 2006-02-27 Leon Woestenberg <leon.woestenberg@gmx.net>
2826 * pbuf.c: Fix alignment; pbuf_init() would not work unless
2827 pbuf_pool_memory[] was properly aligned. (Patch by Curt McDowell.)
2829 2005-12-20 Leon Woestenberg <leon.woestenberg@gmx.net>
2830 * tcp.c: Remove PCBs which stay in LAST_ACK state too long. Patch
2831 submitted by Mitrani Hiroshi.
2833 2005-12-15 Christiaan Simons
2834 * inet.c: Disabled the added summing routine to preserve code space.
2836 2005-12-14 Leon Woestenberg <leon.woestenberg@gmx.net>
2837 * tcp_in.c: Duplicate FIN ACK race condition fix by Kelvin Lawson.
2838 Added Curt McDowell's optimized checksumming routine for future
2839 inclusion. Need to create test case for unaliged, aligned, odd,
2840 even length combination of cases on various endianess machines.
2842 2005-12-09 Christiaan Simons
2843 * inet.c: Rewrote standard checksum routine in proper portable C.
2845 2005-11-25 Christiaan Simons
2846 * udp.c tcp.c: Removed SO_REUSE hack. Should reside in socket code only.
2847 * *.c: introduced cc.h LWIP_DEBUG formatters matching the u16_t, s16_t,
2848 u32_t, s32_t typedefs. This solves most debug word-length assumes.
2850 2005-07-17 Leon Woestenberg <leon.woestenberg@gmx.net>
2851 * inet.c: Fixed unaligned 16-bit access in the standard checksum
2852 routine by Peter Jolasson.
2853 * slipif.c: Fixed implementation assumption of single-pbuf datagrams.
2855 2005-02-04 Leon Woestenberg <leon.woestenberg@gmx.net>
2856 * tcp_out.c: Fixed uninitialized 'queue' referenced in memerr branch.
2857 * tcp_{out|in}.c: Applied patch fixing unaligned access.
2859 2005-01-04 Leon Woestenberg <leon.woestenberg@gmx.net>
2860 * pbuf.c: Fixed missing semicolon after LWIP_DEBUG statement.
2862 2005-01-03 Leon Woestenberg <leon.woestenberg@gmx.net>
2863 * udp.c: UDP pcb->recv() was called even when it was NULL.
2867 2004-12-28 Leon Woestenberg <leon.woestenberg@gmx.net>
2868 * etharp.*: Disabled multiple packets on the ARP queue.
2869 This clashes with TCP queueing.
2871 2004-11-28 Leon Woestenberg <leon.woestenberg@gmx.net>
2872 * etharp.*: Fixed race condition from ARP request to ARP timeout.
2873 Halved the ARP period, doubled the period counts.
2874 ETHARP_MAX_PENDING now should be at least 2. This prevents
2875 the counter from reaching 0 right away (which would allow
2876 too little time for ARP responses to be received).
2878 2004-11-25 Leon Woestenberg <leon.woestenberg@gmx.net>
2879 * dhcp.c: Decline messages were not multicast but unicast.
2880 * etharp.c: ETHARP_CREATE is renamed to ETHARP_TRY_HARD.
2881 Do not try hard to insert arbitrary packet's source address,
2882 etharp_ip_input() now calls etharp_update() without ETHARP_TRY_HARD.
2883 etharp_query() now always DOES call ETHARP_TRY_HARD so that users
2884 querying an address will see it appear in the cache (DHCP could
2885 suffer from this when a server invalidly gave an in-use address.)
2886 * ipv4/ip_addr.h: Renamed ip_addr_maskcmp() to _netcmp() as we are
2887 comparing network addresses (identifiers), not the network masks
2889 * ipv4/ip_addr.c: ip_addr_isbroadcast() now checks that the given
2890 IP address actually belongs to the network of the given interface.
2892 2004-11-24 Kieran Mansley <kjm25@cam.ac.uk>
2893 * tcp.c: Increment pcb->snd_buf when ACK is received in SYN_SENT state.
2897 2004-10-16 Kieran Mansley <kjm25@cam.ac.uk>
2898 * tcp.c: Add code to tcp_recved() to send an ACK (window update) immediately,
2899 even if one is already pending, if the rcv_wnd is above a threshold
2900 (currently TCP_WND/2). This avoids waiting for a timer to expire to send a
2901 delayed ACK in order to open the window if the stack is only receiving data.
2903 2004-09-12 Kieran Mansley <kjm25@cam.ac.uk>
2904 * tcp*.*: Retransmit time-out handling improvement by Sam Jansen.
2906 2004-08-20 Tony Mountifield <tony@softins.co.uk>
2907 * etharp.c: Make sure the first pbuf queued on an ARP entry
2908 is properly ref counted.
2910 2004-07-27 Tony Mountifield <tony@softins.co.uk>
2911 * debug.h: Added (int) cast in LWIP_DEBUGF() to avoid compiler
2912 warnings about comparison.
2913 * pbuf.c: Stopped compiler complaining of empty if statement
2914 when LWIP_DEBUGF() empty. Closed an unclosed comment.
2915 * tcp.c: Stopped compiler complaining of empty if statement
2916 when LWIP_DEBUGF() empty.
2917 * ip.h Corrected IPH_TOS() macro: returns a byte, so doesn't need htons().
2918 * inet.c: Added a couple of casts to quiet the compiler.
2919 No need to test isascii(c) before isdigit(c) or isxdigit(c).
2921 2004-07-22 Tony Mountifield <tony@softins.co.uk>
2922 * inet.c: Made data types consistent in inet_ntoa().
2923 Added casts for return values of checksum routines, to pacify compiler.
2924 * ip_frag.c, tcp_out.c, sockets.c, pbuf.c
2925 Small corrections to some debugging statements, to pacify compiler.
2927 2004-07-21 Tony Mountifield <tony@softins.co.uk>
2928 * etharp.c: Removed spurious semicolon and added missing end-of-comment.
2929 * ethernetif.c Updated low_level_output() to match prototype for
2930 netif->linkoutput and changed low_level_input() similarly for consistency.
2931 * api_msg.c: Changed recv_raw() from int to u8_t, to match prototype
2932 of raw_recv() in raw.h and so avoid compiler error.
2933 * sockets.c: Added trivial (int) cast to keep compiler happier.
2934 * ip.c, netif.c Changed debug statements to use the tidier ip4_addrN() macros.
2940 2004-07-05 Leon Woestenberg <leon.woestenberg@gmx.net>
2941 * sockets.*: Restructured LWIP_PRIVATE_TIMEVAL. Make sure
2942 your cc.h file defines this either 1 or 0. If non-defined,
2944 * .c: Added <string.h> and <errno.h> includes where used.
2945 * etharp.c: Made some array indices unsigned.
2947 2004-06-27 Leon Woestenberg <leon.woestenberg@gmx.net>
2948 * netif.*: Added netif_set_up()/down().
2949 * dhcp.c: Changes to restart program flow.
2951 2004-05-07 Leon Woestenberg <leon.woestenberg@gmx.net>
2952 * etharp.c: In find_entry(), instead of a list traversal per candidate, do a
2953 single-pass lookup for different candidates. Should exploit locality.
2955 2004-04-29 Leon Woestenberg <leon.woestenberg@gmx.net>
2956 * tcp*.c: Cleaned up source comment documentation for Doxygen processing.
2957 * opt.h: ETHARP_ALWAYS_INSERT option removed to comply with ARP RFC.
2958 * etharp.c: update_arp_entry() only adds new ARP entries when adviced to by
2959 the caller. This deprecates the ETHARP_ALWAYS_INSERT overrule option.
2963 2004-04-27 Leon Woestenberg <leon.woestenberg@gmx.net>
2964 * etharp.c: Applied patch of bug #8708 by Toni Mountifield with a solution
2965 suggested by Timmy Brolin. Fix for 32-bit processors that cannot access
2966 non-aligned 32-bit words, such as soms 32-bit TCP/IP header fields. Fix
2967 is to prefix the 14-bit Ethernet headers with two padding bytes.
2969 2004-04-23 Leon Woestenberg <leon.woestenberg@gmx.net>
2970 * ip_addr.c: Fix in the ip_addr_isbroadcast() check.
2971 * etharp.c: Fixed the case where the packet that initiates the ARP request
2972 is not queued, and gets lost. Fixed the case where the packets destination
2973 address is already known; we now always queue the packet and perform an ARP
2980 * Fixed TCP bug for SYN_SENT to ESTABLISHED state transition.
2981 * Fixed TCP bug in dequeueing of FIN from out of order segment queue.
2982 * Fixed two possible NULL references in rare cases.
2988 * Fixed DHCP which did not include the IP address in DECLINE messages.
2992 * etharp.c has been hauled over a bit.
2998 * Fixed TCP bug induced by bad window resizing with unidirectional TCP traffic.
2999 * Packets sent from ARP queue had invalid source hardware address.
3003 * Pass-by ARP requests do now update the cache.
3007 * No longer dependent on ctype.h.
3008 * New socket options.
3009 * Raw IP pcb support.
3015 * Some debug formatters and casts fixed.
3016 * Numereous fixes in PPP.
3020 * DEBUGF now is LWIP_DEBUGF
3021 * pbuf_dechain() has been re-enabled.
3022 * Mentioned the changed use of CVS branches in README.
3028 * Fixed pool pbuf memory leak in pbuf_alloc().
3029 Occured if not enough PBUF_POOL pbufs for a packet pbuf chain.
3030 Reported by Savin Zlobec.
3032 * PBUF_POOL chains had their tot_len field not set for non-first
3033 pbufs. Fixed in pbuf_alloc().
3037 * Added PPP stack contributed by Marc Boucher
3041 * Now drops short packets for ICMP/UDP/TCP protocols. More robust.
3043 * ARP queueuing now queues the latest packet instead of the first.
3044 This is the RFC recommended behaviour, but can be overridden in
3051 * TCP has been fixed to deal with the new use of the pbuf->ref
3054 * DHCP dhcp_inform() crash bug fixed.
3058 * Removed pbuf_pool_free_cache and pbuf_pool_alloc_cache. Also removed
3059 pbuf_refresh(). This has sped up pbuf pool operations considerably.
3060 Implemented by David Haas.
3066 * The packet buffer implementation has been enhanced to support
3067 zero-copy and copy-on-demand for packet buffers which have their
3068 payloads in application-managed memory.
3069 Implemented by David Haas.
3071 Use PBUF_REF to make a pbuf refer to RAM. lwIP will use zero-copy
3072 if an outgoing packet can be directly sent on the link, or perform
3073 a copy-on-demand when necessary.
3075 The application can safely assume the packet is sent, and the RAM
3076 is available to the application directly after calling udp_send()
3077 or similar function.
3081 * ARP_QUEUEING should now correctly work for all cases, including
3083 Implemented by Leon Woestenberg.
3087 * IP_ADDR_ANY is no longer a NULL pointer. Instead, it is a pointer
3088 to a '0.0.0.0' IP address.
3090 * The packet buffer implementation is changed. The pbuf->ref counter
3091 meaning has changed, and several pbuf functions have been
3092 adapted accordingly.
3094 * netif drivers have to be changed to set the hardware address length field
3095 that must be initialized correctly by the driver (hint: 6 for Ethernet MAC).
3096 See the contrib/ports/c16x cs8900 driver as a driver example.
3098 * netif's have a dhcp field that must be initialized to NULL by the driver.
3099 See the contrib/ports/c16x cs8900 driver as a driver example.
3101 (0.5.x) This file has been unmaintained up to 0.6.1. All changes are
3102 logged in CVS but have not been explained here.
3104 (0.5.3) Changes since version 0.5.2
3108 * memp_malloc(MEMP_API_MSG) could fail with multiple application
3109 threads because it wasn't protected by semaphores.
3113 * struct ip_addr now packed.
3115 * The name of the time variable in arp.c has been changed to ctime
3116 to avoid conflicts with the time() function.
3118 (0.5.2) Changes since version 0.5.1
3122 * A new TCP function, tcp_tmr(), now handles both TCP timers.
3126 * A bug in tcp_parseopt() could cause the stack to hang because of a
3127 malformed TCP option.
3129 * The address of new connections in the accept() function in the BSD
3130 socket library was not handled correctly.
3132 * pbuf_dechain() did not update the ->tot_len field of the tail.
3134 * Aborted TCP connections were not handled correctly in all
3139 * All protocol header structs are now packed.
3141 * The ->len field in the tcp_seg structure now counts the actual
3142 amount of data, and does not add one for SYN and FIN segments.
3144 (0.5.1) Changes since version 0.5.0
3148 * Possible to run as a user process under Linux.
3150 * Preliminary support for cross platform packed structs.
3152 * ARP timer now implemented.
3156 * TCP output queue length was badly initialized when opening
3159 * TCP delayed ACKs were not sent correctly.
3161 * Explicit initialization of BSS segment variables.
3163 * read() in BSD socket library could drop data.
3165 * Problems with memory alignment.
3167 * Situations when all TCP buffers were used could lead to
3170 * TCP MSS option wasn't parsed correctly.
3172 * Problems with UDP checksum calculation.
3174 * IP multicast address tests had endianess problems.
3176 * ARP requests had wrong destination hardware address.
3180 * struct eth_addr changed from u16_t[3] array to u8_t[6].
3182 * A ->linkoutput() member was added to struct netif.
3184 * TCP and UDP ->dest_* struct members where changed to ->remote_*.
3186 * ntoh* macros are now null definitions for big endian CPUs.
3188 (0.5.0) Changes since version 0.4.2
3192 * Redesigned operating system emulation layer to make porting easier.
3194 * Better control over TCP output buffers.
3196 * Documenation added.
3200 * Locking issues in buffer management.
3202 * Bugfixes in the sequential API.
3204 * IP forwarding could cause memory leakage. This has been fixed.
3208 * Directory structure somewhat changed; the core/ tree has been
3211 (0.4.2) Changes since version 0.4.1
3215 * Experimental ARP implementation added.
3217 * Skeleton Ethernet driver added.
3219 * Experimental BSD socket API library added.
3223 * In very intense situations, memory leakage could occur. This has
3228 * Variables named "data" and "code" have been renamed in order to
3229 avoid name conflicts in certain compilers.
3231 * Variable++ have in appliciable cases been translated to ++variable
3232 since some compilers generate better code in the latter case.
3234 (0.4.1) Changes since version 0.4
3238 * TCP: Connection attempts time out earlier than data
3239 transmissions. Nagle algorithm implemented. Push flag set on the
3240 last segment in a burst.
3242 * UDP: experimental support for UDP-Lite extensions.
3246 * TCP: out of order segments were in some cases handled incorrectly,
3247 and this has now been fixed. Delayed acknowledgements was broken
3248 in 0.4, has now been fixed. Binding to an address that is in use
3249 now results in an error. Reset connections sometimes hung an
3250 application; this has been fixed.
3252 * Checksum calculation sometimes failed for chained pbufs with odd
3253 lengths. This has been fixed.
3255 * API: a lot of bug fixes in the API. The UDP API has been improved
3256 and tested. Error reporting and handling has been
3257 improved. Logical flaws and race conditions for incoming TCP
3258 connections has been found and removed.
3260 * Memory manager: alignment issues. Reallocating memory sometimes
3261 failed, this has been fixed.
3263 * Generic library: bcopy was flawed and has been fixed.
3267 * API: all datatypes has been changed from generic ones such as
3268 ints, to specified ones such as u16_t. Functions that return
3269 errors now have the correct type (err_t).
3271 * General: A lot of code cleaned up and debugging code removed. Many
3272 portability issues have been fixed.
3274 * The license was changed; the advertising clause was removed.
3278 * Thanks: Huge thanks go to Dagan Galarneau, Horst Garnetzke, Petri
3279 Kosunen, Mikael Caleres, and Frits Wilmink for reporting and
3282 (0.4) Changes since version 0.3.1
3284 * Memory management has been radically changed; instead of
3285 allocating memory from a shared heap, memory for objects that are
3286 rapidly allocated and deallocated is now kept in pools. Allocation
3287 and deallocation from those memory pools is very fast. The shared
3288 heap is still present but is used less frequently.
3290 * The memory, memory pool, and packet buffer subsystems now support
3291 4-, 2-, or 1-byte alignment.
3293 * "Out of memory" situations are handled in a more robust way.
3295 * Stack usage has been reduced.
3297 * Easier configuration of lwIP parameters such as memory usage,
3298 TTLs, statistics gathering, etc. All configuration parameters are
3299 now kept in a single header file "lwipopts.h".
3301 * The directory structure has been changed slightly so that all
3302 architecture specific files are kept under the src/arch
3305 * Error propagation has been improved, both in the protocol modules
3308 * The code for the RTXC architecture has been implemented, tested
3311 * Bugs have been found and corrected in the TCP, UDP, IP, API, and
3312 the Internet checksum modules.
3314 * Bugs related to porting between a 32-bit and a 16-bit architecture
3315 have been found and corrected.
3317 * The license has been changed slightly to conform more with the
3318 original BSD license, including the advertisement clause.
3320 (0.3.1) Changes since version 0.3
3322 * Fix of a fatal bug in the buffer management. Pbufs with allocated
3323 RAM never returned the RAM when the pbuf was deallocated.
3325 * TCP congestion control, window updates and retransmissions did not
3326 work correctly. This has now been fixed.
3328 * Bugfixes in the API.
3330 (0.3) Changes since version 0.2
3332 * New and improved directory structure. All include files are now
3333 kept in a dedicated include/ directory.
3335 * The API now has proper error handling. A new function,
3336 netconn_err(), now returns an error code for the connection in
3339 * Improvements in the memory management subsystem. The system now
3340 keeps a pointer to the lowest free memory block. A new function,
3341 mem_malloc2() tries to allocate memory once, and if it fails tries
3342 to free some memory and retry the allocation.
3344 * Much testing has been done with limited memory
3345 configurations. lwIP now does a better job when overloaded.
3347 * Some bugfixes and improvements to the buffer (pbuf) subsystem.
3349 * Many bugfixes in the TCP code:
3351 - Fixed a bug in tcp_close().
3353 - The TCP receive window was incorrectly closed when out of
3354 sequence segments was received. This has been fixed.
3356 - Connections are now timed-out of the FIN-WAIT-2 state.
3358 - The initial congestion window could in some cases be too
3359 large. This has been fixed.
3361 - The retransmission queue could in some cases be screwed up. This
3364 - TCP RST flag now handled correctly.
3366 - Out of sequence data was in some cases never delivered to the
3367 application. This has been fixed.
3369 - Retransmitted segments now contain the correct acknowledgment
3370 number and advertised window.
3372 - TCP retransmission timeout backoffs are not correctly computed
3373 (ala BSD). After a number of retransmissions, TCP now gives up
3376 * TCP connections now are kept on three lists, one for active
3377 connections, one for listening connections, and one for
3378 connections that are in TIME-WAIT. This greatly speeds up the fast
3379 timeout processing for sending delayed ACKs.
3381 * TCP now provides proper feedback to the application when a
3382 connection has been successfully set up.
3384 * More comments have been added to the code. The code has also been
3385 somewhat cleaned up.
3387 (0.2) Initial public release.