5 * [Enter new changes just after this line - do not remove this line]
9 2012-01-16: Simon Goldschmidt
10 * opt.h, icmp.c: Added option CHECKSUM_GEN_ICMP
12 2011-12-17: Simon Goldschmidt
13 * ip.h: implemented API functions to access so_options of IP pcbs (UDP, TCP, RAW)
16 2011-09-27: Simon Goldschmidt
17 * opt.h, tcp.c, tcp_in.c: Implemented limiting data on ooseq queue (task #9989)
18 (define TCP_OOSEQ_MAX_BYTES / TCP_OOSEQ_MAX_PBUFS in lwipopts.h)
20 2011-09-21: Simon Goldschmidt
21 * opt.h, api.h, api_lib.c, api_msg.h/.c, sockets.c: Implemented timeout on
22 send (TCP only, bug #33820)
24 2011-09-21: Simon Goldschmidt
25 * init.c: Converted runtime-sanity-checks into compile-time checks that can
26 be disabled (since runtime checks can often not be seen on embedded targets)
28 2011-09-11: Simon Goldschmidt
29 * ppp.h, ppp_impl.h: splitted ppp.h to an internal and external header file
30 to get a clear separation of which functions an application or port may use
33 2011-09-11: Simon Goldschmidt
34 * opt.h, tcp_impl.h, tcp.c, udp.h/.c: Added a config option to randomize
35 initial local TCP/UDP ports (so that different port ranges are used after
36 a reboot; bug #33818; this one added tcp_init/udp_init functions again)
38 2011-09-03: Simon Goldschmidt
39 * dhcp.c: DHCP uses LWIP_RAND() for xid's (bug #30302)
41 2011-08-24: Simon Goldschmidt
42 * opt.h, netif.h/.c: added netif remove callback (bug #32397)
44 2011-07-26: Simon Goldschmidt
45 * etharp.c: ETHARP_SUPPORT_VLAN: add support for an external VLAN filter
46 function instead of only checking for one VLAN (define ETHARP_VLAN_CHECK_FN)
48 2011-07-21: Simon Goldschmidt (patch by hanhui)
49 * ip4.c, etharp.c, pbuf.h: bug #33634 ip_forward() have a faulty behaviour:
50 Added pbuf flags to mark incoming packets as link-layer broadcast/multicast.
51 Also added code to allow ip_forward() to forward non-broadcast packets to
52 the input netif (set IP_FORWARD_ALLOW_TX_ON_RX_NETIF==1).
54 2011-07-21: Simon Goldschmidt
55 * sockets.c, opt.h: (bug #30185): added LWIP_FIONREAD_LINUXMODE that makes
56 ioctl/FIONREAD return the size of the next pending datagram.
58 2011-06-26: Simon Goldschmidt (patch by Cameron Gutman)
59 * tcp.c, tcp_out.c: bug #33604: added some more asserts to check that
62 2011-05-25: Simon Goldschmidt
63 * again nearly the whole stack, renamed ip.c to ip4.c, ip_addr.c to ip4_addr.c,
64 combined ipv4/ipv6 inet_chksum.c, added ip.h, ip_addr.h: Combined IPv4
65 and IPv6 code where possible, added defines to access IPv4/IPv6 in non-IP
66 code so that the code is more readable.
68 2011-05-17: Patch by Ivan Delamer (only checked in by Simon Goldschmidt)
69 * nearly the whole stack: Finally, we got decent IPv6 support, big thanks to
70 Ivan! (this is work in progress: we're just post release anyway :-)
72 2011-05-14: Simon Goldschmidt (patch by Stéphane Lesage)
73 * tcpip.c/.h: patch #7449 allow tcpip callback from interrupt with static
79 2012-02-15: Simon Goldschmidt
80 * init.c: fixed bug #35537: MEMP_NUM_* sanity checks should be disabled with
83 2012-02-12: Simon Goldschmidt
84 * tcp.h, tcp_in.c, tcp_out.c: partly fixed bug #25882: TCP hangs on
85 MSS > pcb->snd_wnd (by not creating segments bigger than half the window)
87 2012-02-11: Simon Goldschmidt
88 * tcp.c: fixed bug #35435: No pcb state check before adding it to time-wait
91 2012-01-22: Simon Goldschmidt
92 * tcp.c, tcp_in.c: fixed bug #35305: pcb may be freed too early on shutdown(WR)
94 2012-01-21: Simon Goldschmidt
95 * tcp.c: fixed bug #34636: FIN_WAIT_2 - Incorrect shutdown of TCP pcb
97 2012-01-20: Simon Goldschmidt
98 * dhcp.c: fixed bug #35151: DHCP asserts on incoming option lengths
100 2012-01-20: Simon Goldschmidt
101 * pbuf.c: fixed bug #35291: NULL pointer in pbuf_copy
103 2011-11-25: Simon Goldschmidt
104 * tcp.h/.c, tcp_impl.h, tcp_in.c: fixed bug #31177: tcp timers can corrupt
105 tcp_active_pcbs in some cases
107 2011-11-23: Simon Goldschmidt
108 * sys.c: fixed bug #34884: sys_msleep() body needs to be surrounded with
111 2011-11-22: Simon Goldschmidt
112 * netif.c, etharp.h/.c: fixed bug #34684: Clear the arp table cache when
113 netif is brought down
115 2011-10-28: Simon Goldschmidt
116 * tcp_in.c: fixed bug #34638: Dead code in tcp_receive - pcb->dupacks
118 2011-10-23: Simon Goldschmidt
119 * mem.c: fixed bug #34429: possible memory corruption with
120 LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT set to 1
122 2011-10-18: Simon Goldschmidt
123 * arch.h, netdb.c: fixed bug #34592: lwip_gethostbyname_r uses nonstandard
126 2011-10-18: Simon Goldschmidt
127 * opt.h: fixed default values of TCP_SNDLOWAT and TCP_SNDQUEUELOWAT for small
128 windows (bug #34176 select after non-blocking send times out)
130 2011-10-18: Simon Goldschmidt
131 * tcp_impl.h, tcp_out.c: fixed bug #34587: TCP_BUILD_MSS_OPTION doesn't
132 consider netif->mtu, causes slow network
134 2011-10-18: Simon Goldschmidt
135 * sockets.c: fixed bug #34581 missing parentheses in udplite sockets code
137 2011-10-18: Simon Goldschmidt
138 * sockets.h: fixed bug #34580 fcntl() is missing in LWIP_COMPAT_SOCKETS
140 2011-10-17: Simon Goldschmidt
141 * api_msg.c: fixed bug #34569: shutdown(SHUT_WR) crashes netconn/socket api
143 2011-10-13: Simon Goldschmidt
144 * tcp_in.c, tcp_out.c: fixed bug #34517 (persist timer is started although no
145 zero window is received) by starting the persist timer when a zero window is
146 received, not when we have more data queued for sending than fits into the
149 2011-10-13: Simon Goldschmidt
150 * def.h, timers.c: fixed bug #34541: LWIP_U32_DIFF is unnecessarily complex
152 2011-10-13: Simon Goldschmidt
153 * sockets.c, api_lib.c: fixed bug #34540: compiler error when CORE_LOCKING is
154 used and not all protocols are enabled
156 2011-10-12: Simon Goldschmidt
157 * pbuf.c: fixed bug #34534: Error in sending fragmented IP if MEM_ALIGNMENT > 4
159 2011-10-09: Simon Goldschmidt
160 * tcp_out.c: fixed bug #34426: tcp_zero_window_probe() transmits incorrect
161 byte value when pcb->unacked != NULL
163 2011-10-09: Simon Goldschmidt
164 * ip4.c: fixed bug #34447 LWIP_IP_ACCEPT_UDP_PORT(dst_port) wrong
166 2011-09-27: Simon Goldschmidt
167 * tcp_in.c, tcp_out.c: Reset pcb->unsent_oversize in 2 more places...
169 2011-09-27: Simon Goldschmidt
170 * tcp_in.c: fixed bug #28288: Data after FIN in oos queue
172 2011-09-27: Simon Goldschmidt
173 * dhcp.c: fixed bug #34406 dhcp_option_hostname() can overflow the pbuf
175 2011-09-24: Simon Goldschmidt
176 * mem.h: fixed bug #34377 MEM_SIZE_F is not defined if MEM_LIBC_MALLOC==1
178 2011-09-23: Simon Goldschmidt
179 * pbuf.h, tcp.c, tcp_in.c: fixed bug #33871: rejecting TCP_EVENT_RECV() for
180 the last packet including FIN can lose data
182 2011-09-22: Simon Goldschmidt
183 * tcp_impl.h: fixed bug #34355: nagle does not take snd_buf/snd_queuelen into
186 2011-09-21: Simon Goldschmidt
187 * opt.h: fixed default value of TCP_SND_BUF to not violate the sanity checks
190 2011-09-20: Simon Goldschmidt
191 * timers.c: fixed bug #34337 (possible NULL pointer in sys_check_timeouts)
193 2011-09-11: Simon Goldschmidt
194 * tcp_out.c: use pcb->mss instead of TCP_MSS for preallocate mss-sized pbufs
197 2011-09-09: Simon Goldschmidt
198 * udp.c: fixed bug #34072: UDP broadcast is received from wrong UDP pcb if
201 2011-09-03: Simon Goldschmidt
202 * tcp_in.c: fixed bug #33952 PUSH flag in incoming packet is lost when packet
203 is aggregated and sent to application
205 2011-09-01: Simon Goldschmidt
206 * opt.h: fixed bug #31809 LWIP_EVENT_API in opts.h is inconsistent compared
209 2011-09-01: Simon Goldschmidt
210 * tcp_in.c: fixed bug #34111 RST for ACK to listening pcb has wrong seqno
212 2011-08-24: Simon Goldschmidt
213 * inet6.h: fixed bug #34124 struct in6_addr does not conform to the standard
215 2011-08-24: Simon Goldschmidt
216 * api_msg.c, sockets.c: fixed bug #33956 Wrong error returned when calling
217 accept() on UDP connections
219 2011-08-24: Simon Goldschmidt
220 * sockets.h: fixed bug #34057 socklen_t should be a typedef
222 2011-08-24: Simon Goldschmidt
223 * pbuf.c: fixed bug #34112 Odd check in pbuf_alloced_custom (typo)
225 2011-08-24: Simon Goldschmidt
226 * dhcp.c: fixed bug #34122 dhcp: hostname can overflow
228 2011-08-24: Simon Goldschmidt
229 * netif.c: fixed bug #34121 netif_add/netif_set_ipaddr fail on NULL ipaddr
231 2011-08-22: Simon Goldschmidt
232 * tcp_out.c: fixed bug #33962 TF_FIN not always set after FIN is sent. (This
233 merely prevents nagle from not transmitting fast after closing.)
235 2011-07-22: Simon Goldschmidt
236 * api_lib.c, api_msg.c, sockets.c, api.h: fixed bug #31084 (socket API returns
237 always EMSGSIZE on non-blocking sockets if data size > send buffers) -> now
238 lwip_send() sends as much as possible for non-blocking sockets
240 2011-07-22: Simon Goldschmidt
241 * pbuf.c/.h, timers.c: freeing ooseq pbufs when the pbuf pool is empty implemented
242 for NO_SYS==1: when not using sys_check_timeouts(), call PBUF_CHECK_FREE_OOSEQ()
243 at regular intervals from main level.
245 2011-07-21: Simon Goldschmidt
246 * etharp.c: fixed bug #33551 (ARP entries may time out although in use) by
247 sending an ARP request when an ARP entry is used in the last minute before
250 2011-07-04: Simon Goldschmidt
251 * sys_arch.txt: Fixed documentation after changing sys arch prototypes for 1.4.0.
253 2011-06-26: Simon Goldschmidt
254 * tcp.c: fixed bug #31723 (tcp_kill_prio() kills pcbs with the same prio) by
255 updating its documentation only.
257 2011-06-26: Simon Goldschmidt
258 * mem.c: fixed bug #33545: With MEM_USE_POOLS==1, mem_malloc can return an
261 2011-06-26: Simon Goldschmidt
262 * mem.c: fixed bug #33544 "warning in mem.c in lwip 1.4.0 with NO_SYS=1"
270 2011-03-27: Simon Goldschmidt
271 * tcp_impl.h, tcp_in.c, tcp_out.c: Removed 'dataptr' from 'struct tcp_seg' and
272 calculate it in tcp_zero_window_probe (the only place where it was used).
274 2010-11-21: Simon Goldschmidt
275 * dhcp.c/.h: Added a function to deallocate the struct dhcp from a netif
278 2010-07-12: Simon Goldschmidt (patch by Stephane Lesage)
279 * ip.c, udp.c/.h, pbuf.h, sockets.c: task #10495: Added support for
280 IP_MULTICAST_LOOP at socket- and raw-API level.
282 2010-06-16: Simon Goldschmidt
283 * ip.c: Added an optional define (LWIP_IP_ACCEPT_UDP_PORT) that can allow
284 link-layer-addressed UDP traffic to be received while a netif is down (just
285 like DHCP during configuration)
287 2010-05-22: Simon Goldschmidt
288 * many many files: bug #27352: removed packing from ip_addr_t, the packed
289 version is now only used in protocol headers. Added global storage for
290 current src/dest IP address while in input functions.
292 2010-05-16: Simon Goldschmidt
293 * def.h: task #10391: Add preprocessor-macros for compile-time htonl
294 calculation (and use them throughout the stack where applicable)
296 2010-05-16: Simon Goldschmidt
297 * opt.h, memp_std.h, memp.c, ppp_oe.h/.c: PPPoE now uses its own MEMP pool
298 instead of the heap (moved struct pppoe_softc from ppp_oe.c to ppp_oe.h)
300 2010-05-16: Simon Goldschmidt
301 * opt.h, memp_std.h, dns.h/.c: DNS_LOCAL_HOSTLIST_IS_DYNAMIC uses its own
302 MEMP pool instead of the heap
304 2010-05-13: Simon Goldschmidt
305 * tcp.c, udp.c: task #6995: Implement SO_REUSEADDR (correctly), added
306 new option SO_REUSE_RXTOALL to pass received UDP broadcast/multicast
307 packets to more than one pcb.
309 2010-05-02: Simon Goldschmidt
310 * netbuf.h/.c, sockets.c, api_msg.c: use checksum-on-copy for sending
311 UDP data for LWIP_NETIF_TX_SINGLE_PBUF==1
313 2010-04-30: Simon Goldschmidt
314 * udp.h/.c, pbuf.h/.c: task #6849: added udp_send(_to/_if) functions that
315 take a precalculated checksum, added pbuf_fill_chksum() to copy data
316 into a pbuf and at the same time calculating the checksum for that data
318 2010-04-29: Simon Goldschmidt
319 * ip_addr.h, etharp.h/.c, autoip.c: Create overridable macros for copying
320 2-byte-aligned IP addresses and MAC addresses
322 2010-04-28: Patch by Bill Auerbach
323 * ip.c: Inline generating IP checksum to save a function call
325 2010-04-14: Simon Goldschmidt
326 * tcpip.h/.c, timers.c: Added an overridable define to get informed when the
327 tcpip_thread processes messages or timeouts to implement a watchdog.
329 2010-03-28: Simon Goldschmidt
330 * ip_frag.c: create a new (contiguous) PBUF_RAM for every outgoing
331 fragment if LWIP_NETIF_TX_SINGLE_PBUF==1
333 2010-03-27: Simon Goldschmidt
334 * etharp.c: Speedup TX by moving code from find_entry to etharp_output/
335 etharp_query to prevent unnecessary function calls (inspired by
338 2010-03-20: Simon Goldschmidt
339 * opt.h, tcpip.c/.h: Added an option to disable tcpip_(un)timeout code
340 since the linker cannot do this automatically to save space.
342 2010-03-20: Simon Goldschmidt
343 * opt.h, etharp.c/.h: Added support for static ARP table entries
345 2010-03-14: Simon Goldschmidt
346 * tcp_impl.h, tcp_out.c, inet_chksum.h/.c: task #6849: Calculate checksum
347 when creating TCP segments, not when (re-)transmitting them.
349 2010-03-07: Simon Goldschmidt
350 * sockets.c: bug #28775 (select/event_callback: only check select_cb_list
351 on change) plus use SYS_LIGHTWEIGHT_PROT to protect the select code.
352 This should speed up receiving data on sockets as the select code in
353 event_callback is only executed when select is waiting.
355 2010-03-06: Simon Goldschmidt
356 * tcp_out.c: task #7013 (Create option to have all packets delivered to
357 netif->output in one piece): Always copy to try to create single pbufs
360 2010-03-06: Simon Goldschmidt
361 * api.h, api_lib.c, sockets.c: task #10167 (sockets: speed up TCP recv
362 by not allocating a netbuf): added function netconn_recv_tcp_pbuf()
363 for tcp netconns to receive pbufs, not netbufs; use that function
366 2010-03-05: Jakob Ole Stoklundsen / Simon Goldschmidt
367 * opt.h, tcp.h, tcp_impl.h, tcp.c, tcp_in.c, tcp_out.c: task #7040:
368 Work on tcp_enqueue: Don't waste memory when chaining segments,
369 added option TCP_OVERSIZE to prevent creating many small pbufs when
370 calling tcp_write with many small blocks of data. Instead, pbufs are
371 allocated larger than needed and the space is used for later calls to
374 2010-02-21: Simon Goldschmidt
375 * stats.c/.h: Added const char* name to mem- and memp-stats for easier
378 2010-02-21: Simon Goldschmidt
379 * tcp.h (and usages), added tcp_impl.h: Splitted API and internal
380 implementation of tcp to make API usage cleare to application programmers
382 2010-02-14: Simon Goldschmidt/Stephane Lesage
383 * ip_addr.h: Improved some defines working on ip addresses, added faster
384 macro to copy addresses that cannot be NULL
386 2010-02-13: Simon Goldschmidt
387 * api.h, api_lib.c, api_msg.c, sockets.c: task #7865 (implement non-
388 blocking send operation)
390 2010-02-12: Simon Goldschmidt
391 * sockets.c/.h: Added a minimal version of posix fctl() to have a
392 standardised way to set O_NONBLOCK for nonblocking sockets.
394 2010-02-12: Simon Goldschmidt
395 * dhcp.c/.h, autoip.c/.h: task #10139 (Prefer statically allocated
396 memory): added autoip_set_struct() and dhcp_set_struct() to let autoip
397 and dhcp work with user-allocated structs instead of callin mem_malloc
399 2010-02-12: Simon Goldschmidt/Jeff Barber
400 * tcp.c/h: patch #6865 (SO_REUSEADDR for TCP): if pcb.so_options has
401 SOF_REUSEADDR set, allow binding to endpoint in TIME_WAIT
403 2010-02-12: Simon Goldschmidt
404 * sys layer: task #10139 (Prefer statically allocated memory): converted
405 mbox and semaphore functions to take pointers to sys_mbox_t/sys_sem_t;
406 converted sys_mbox_new/sys_sem_new to take pointers and return err_t;
407 task #7212: Add Mutex concept in sys_arch (define LWIP_COMPAT_MUTEX
408 to let sys.h use binary semaphores instead of mutexes - as before)
410 2010-02-09: Simon Goldschmidt (Simon Kallweit)
411 * timers.c/.h: Added function sys_restart_timeouts() from patch #7085
412 (Restart system timeout handling)
414 2010-02-09: Simon Goldschmidt
415 * netif.c/.h, removed loopif.c/.h: task #10153 (Integrate loopif into
416 netif.c) - loopif does not have to be created by the port any more,
417 just define LWIP_HAVE_LOOPIF to 1.
419 2010-02-08: Simon Goldschmidt
420 * inet.h, ip_addr.c/.h: Added reentrant versions of inet_ntoa/ipaddr_ntoa
421 inet_ntoa_r/ipaddr_ntoa_r
423 2010-02-08: Simon Goldschmidt
424 * netif.h: Added netif_s/get_igmp_mac_filter() macros
426 2010-02-05: Simon Goldschmidt
427 * netif.h: Added function-like macros to get/set the hostname on a netif
429 2010-02-04: Simon Goldschmidt
430 * nearly every file: Replaced struct ip_addr by typedef ip_addr_t to
431 make changing the actual implementation behind the typedef easier.
433 2010-02-01: Simon Goldschmidt
434 * opt.h, memp_std.h, dns.h, netdb.c, memp.c: Let netdb use a memp pool
435 for allocating memory when getaddrinfo() is called.
437 2010-01-31: Simon Goldschmidt
438 * dhcp.h, dhcp.c: Reworked the code that parses DHCP options: parse
439 them once instead of parsing for every option. This also removes
440 the need for mem_malloc from dhcp_recv and makes it possible to
441 correctly retrieve the BOOTP file.
443 2010-01-30: simon Goldschmidt
444 * sockets.c: Use SYS_LIGHTWEIGHT_PROT instead of a semaphore to protect
447 2010-01-29: Simon Goldschmidt (patch by Laura Garrett)
448 * api.h, api_msg.c, sockets.c: Added except set support in select
451 2010-01-29: Simon Goldschmidt (patch by Laura Garrett)
452 * api.h, sockets.h, err.h, api_lib.c, api_msg.c, sockets.c, err.c:
453 Add non-blocking support for connect (partly from patch #6860),
454 plus many cleanups in socket & netconn API.
456 2010-01-27: Simon Goldschmidt
457 * opt.h, tcp.h, init.c, api_msg.c: Added TCP_SNDQUEUELOWAT corresponding
458 to TCP_SNDLOWAT and added tcp_sndqueuelen() - this fixes bug #28605
460 2010-01-26: Simon Goldschmidt
461 * snmp: Use memp pools for snmp instead of the heap; added 4 new pools.
463 2010-01-14: Simon Goldschmidt
464 * ppp.c/.h: Fixed bug #27856: PPP: Set netif link- and status-callback
465 by adding ppp_set_netif_statuscallback()/ppp_set_netif_linkcallback()
467 2010-01-13: Simon Goldschmidt
468 * mem.c: The heap now may be moved to user-defined memory by defining
469 LWIP_RAM_HEAP_POINTER as a void pointer to that memory's address
470 (patch #6966 and bug #26133)
472 2010-01-10: Simon Goldschmidt (Bill Auerbach)
473 * opt.h, memp.c: patch #6822 (Add option to place memory pools in
476 2010-01-10: Simon Goldschmidt
477 * init.c, igmp.c: patch #6463 (IGMP - Adding Random Delay): added define
478 LWIP_RAND() for lwip-wide randomization (to be defined in cc.h)
480 2009-12-31: Simon Goldschmidt
481 * tcpip.c, init.c, memp.c, sys.c, memp_std.h, sys.h, tcpip.h
482 added timers.c/.h: Separated timer implementation from semaphore/mbox
483 implementation, moved timer implementation to timers.c/.h, timers are
484 now only called from tcpip_thread or by explicitly checking them.
487 2009-12-27: Simon Goldschmidt
488 * opt.h, etharp.h/.c, init.c, tcpip.c: Added an additional option
489 LWIP_ETHERNET to support ethernet without ARP (necessary for pure PPPoE)
494 2011-04-20: Simon Goldschmidt
495 * sys_arch.txt: sys_arch_timeouts() is not needed any more.
497 2011-04-13: Simon Goldschmidt
498 * tcp.c, udp.c: Fixed bug #33048 (Bad range for IP source port numbers) by
499 using ports in the IANA private/dynamic range (49152 through 65535).
501 2011-03-29: Simon Goldschmidt, patch by Emil Lhungdahl:
502 * etharp.h/.c: Fixed broken VLAN support.
504 2011-03-27: Simon Goldschmidt
505 * tcp.c: Fixed bug #32926 (TCP_RMV(&tcp_bound_pcbs) is called on unbound tcp
506 pcbs) by checking if the pcb was bound (local_port != 0).
508 2011-03-27: Simon Goldschmidt
509 * ppp.c: Fixed bug #32280 (ppp: a pbuf is freed twice)
511 2011-03-27: Simon Goldschmidt
512 * sockets.c: Fixed bug #32906: lwip_connect+lwip_send did not work for udp and
513 raw pcbs with LWIP_TCPIP_CORE_LOCKING==1.
515 2011-03-27: Simon Goldschmidt
516 * tcp_out.c: Fixed bug #32820 (Outgoing TCP connections created before route
517 is present never times out) by starting retransmission timer before checking
520 2011-03-22: Simon Goldschmidt
521 * ppp.c: Fixed bug #32648 (PPP code crashes when terminating a link) by only
522 calling sio_read_abort() if the file descriptor is valid.
524 2011-03-14: Simon Goldschmidt
525 * err.h/.c, sockets.c, api_msg.c: fixed bug #31748 (Calling non-blocking connect
526 more than once can render a socket useless) since it mainly involves changing
527 "FATAL" classification of error codes: ERR_USE and ERR_ISCONN just aren't fatal.
529 2011-03-13: Simon Goldschmidt
530 * sockets.c: fixed bug #32769 (ESHUTDOWN is linux-specific) by fixing
531 err_to_errno_table (ERR_CLSD: ENOTCONN instead of ESHUTDOWN), ERR_ISCONN:
532 use EALRADY instead of -1
534 2011-03-13: Simon Goldschmidt
535 * api_lib.c: netconn_accept: return ERR_ABRT instead of ERR_CLSD if the
536 connection has been aborted by err_tcp (since this is not a normal closing
539 2011-03-13: Simon Goldschmidt
540 * tcp.c: tcp_bind: return ERR_VAL instead of ERR_ISCONN when trying to bind
541 with pcb->state != CLOSED
543 2011-02-17: Simon Goldschmidt
544 * rawapi.txt: Fixed bug #32561 tcp_poll argument definition out-of-order in
547 2011-02-17: Simon Goldschmidt
548 * many files: Added missing U/UL modifiers to fix 16-bit-arch portability.
550 2011-01-24: Simon Goldschmidt
551 * sockets.c: Fixed bug #31741: lwip_select seems to have threading problems
553 2010-12-02: Simon Goldschmidt
554 * err.h: Fixed ERR_IS_FATAL so that ERR_WOULDBLOCK is not fatal.
556 2010-11-23: Simon Goldschmidt
557 * api.h, api_lib.c, api_msg.c, sockets.c: netconn.recv_avail is only used for
558 LWIP_SO_RCVBUF and ioctl/FIONREAD.
560 2010-11-23: Simon Goldschmidt
561 * etharp.c: Fixed bug #31720: ARP-queueing: RFC 1122 recommends to queue at
562 least 1 packet -> ARP_QUEUEING==0 now queues the most recent packet.
564 2010-11-23: Simon Goldschmidt
565 * tcp_in.c: Fixed bug #30577: tcp_input: don't discard ACK-only packets after
566 refusing 'refused_data' again.
568 2010-11-22: Simon Goldschmidt
569 * sockets.c: Fixed bug #31590: getsockopt(... SO_ERROR ...) gives EINPROGRESS
570 after a successful nonblocking connection.
572 2010-11-22: Simon Goldschmidt
573 * etharp.c: Fixed bug #31722: IP packets sent with an AutoIP source addr
574 must be sent link-local
576 2010-11-22: Simon Goldschmidt
577 * timers.c: patch #7329: tcp_timer_needed prototype was ifdef'ed out for
580 2010-11-20: Simon Goldschmidt
581 * sockets.c: Fixed bug #31170: lwip_setsockopt() does not set socket number
583 2010-11-20: Simon Goldschmidt
584 * sockets.h: Fixed bug #31304: Changed SHUT_RD, SHUT_WR and SHUT_RDWR to
585 resemble other stacks.
587 2010-11-20: Simon Goldschmidt
588 * dns.c: Fixed bug #31535: TCP_SND_QUEUELEN must be at least 2 or else
589 no-copy TCP writes will never succeed.
591 2010-11-20: Simon Goldschmidt
592 * dns.c: Fixed bug #31701: Error return value from dns_gethostbyname() does
593 not match documentation: return ERR_ARG instead of ERR_VAL if not
594 initialized or wrong argument.
596 2010-10-20: Simon Goldschmidt
597 * sockets.h: Fixed bug #31385: sizeof(struct sockaddr) is 30 but should be 16
599 2010-10-05: Simon Goldschmidt
600 * dhcp.c: Once again fixed #30038: DHCP/AutoIP cooperation failed when
601 replugging the network cable after an AutoIP address was assigned.
603 2010-08-10: Simon Goldschmidt
604 * tcp.c: Fixed bug #30728: tcp_new_port() did not check listen pcbs
606 2010-08-03: Simon Goldschmidt
607 * udp.c, raw.c: Don't chain empty pbufs when sending them (fixes bug #30625)
609 2010-08-01: Simon Goldschmidt (patch by Greg Renda)
610 * ppp.c: Applied patch #7264 (PPP protocols are rejected incorrectly on big
611 endian architectures)
613 2010-07-28: Simon Goldschmidt
614 * api_lib.c, api_msg.c, sockets.c, mib2.c: Fixed compilation with TCP or UDP
617 2010-07-27: Simon Goldschmidt
618 * tcp.c: Fixed bug #30565 (tcp_connect() check bound list): that check did no
619 harm but never did anything
621 2010-07-21: Simon Goldschmidt
622 * ip.c: Fixed invalid fix for bug #30402 (CHECKSUM_GEN_IP_INLINE does not
625 2010-07-16: Kieran Mansley
626 * msg_in.c: Fixed SNMP ASN constant defines to not use ! operator
628 2010-07-10: Simon Goldschmidt
629 * ip.c: Fixed bug #30402: CHECKSUM_GEN_IP_INLINE does not add IP options
631 2010-06-30: Simon Goldschmidt
632 * api_msg.c: fixed bug #30300 (shutdown parameter was not initialized in
635 2010-06-28: Kieran Mansley
636 * timers.c remove unportable printing of C function pointers
638 2010-06-24: Simon Goldschmidt
639 * init.c, timers.c/.h, opt.h, memp_std.h: From patch #7221: added flag
640 NO_SYS_NO_TIMERS to drop timer support for NO_SYS==1 for easier upgrading
642 2010-06-24: Simon Goldschmidt
643 * api(_lib).c/.h, api_msg.c/.h, sockets.c/.h: Fixed bug #10088: Correctly
644 implemented shutdown at socket level.
646 2010-06-21: Simon Goldschmidt
647 * pbuf.c/.h, ip_frag.c/.h, opt.h, memp_std.h: Fixed bug #29361 (ip_frag has
648 problems with zero-copy DMA MACs) by adding custom pbufs and implementing
649 custom pbufs that reference other (original) pbufs. Additionally set
650 IP_FRAG_USES_STATIC_BUF=0 as default to be on the safe side.
652 2010-06-15: Simon Goldschmidt
653 * dhcp.c: Fixed bug #29970: DHCP endian issue parsing option responses
655 2010-06-14: Simon Goldschmidt
656 * autoip.c: Fixed bug #30039: AutoIP does not reuse previous addresses
658 2010-06-12: Simon Goldschmidt
659 * dhcp.c: Fixed bug #30038: dhcp_network_changed doesn't reset AUTOIP coop
662 2010-05-17: Simon Goldschmidt
663 * netdb.c: Correctly NULL-terminate h_addr_list
665 2010-05-16: Simon Goldschmidt
666 * def.h/.c: changed the semantics of LWIP_PREFIX_BYTEORDER_FUNCS to prevent
667 "symbol already defined" i.e. when linking to winsock
669 2010-05-05: Simon Goldschmidt
670 * def.h, timers.c: Fixed bug #29769 (sys_check_timeouts: sys_now() may
673 2010-04-21: Simon Goldschmidt
674 * api_msg.c: Fixed bug #29617 (sometime cause stall on delete listening
677 2010-03-28: Luca Ceresoli
678 * ip_addr.c/.h: patch #7143: Add a few missing const qualifiers
680 2010-03-27: Luca Ceresoli
681 * mib2.c: patch #7130: remove meaningless const qualifiers
683 2010-03-26: Simon Goldschmidt
684 * tcp_out.c: Make LWIP_NETIF_TX_SINGLE_PBUF work for TCP, too
686 2010-03-26: Simon Goldschmidt
687 * various files: Fixed compiling with different options disabled (TCP/UDP),
688 triggered by bug #29345; don't allocate acceptmbox if LWIP_TCP is disabled
690 2010-03-25: Simon Goldschmidt
691 * sockets.c: Fixed bug #29332: lwip_select() processes readset incorrectly
693 2010-03-25: Simon Goldschmidt
694 * tcp_in.c, test_tcp_oos.c: Fixed bug #29080: Correctly handle remote side
695 overrunning our rcv_wnd in ooseq case.
697 2010-03-22: Simon Goldschmidt
698 * tcp.c: tcp_listen() did not copy the pcb's prio.
700 2010-03-19: Simon Goldschmidt
701 * snmp_msg.c: Fixed bug #29256: SNMP Trap address was not correctly set
703 2010-03-14: Simon Goldschmidt
704 * opt.h, etharp.h: Fixed bug #29148 (Incorrect PBUF_POOL_BUFSIZE for ports
705 where ETH_PAD_SIZE > 0) by moving definition of ETH_PAD_SIZE to opt.h
706 and basing PBUF_LINK_HLEN on it.
708 2010-03-08: Simon Goldschmidt
709 * netif.c, ipv4/ip.c: task #10241 (AutoIP: don't break existing connections
710 when assiging routable address): when checking incoming packets and
711 aborting existing connection on address change, filter out link-local
714 2010-03-06: Simon Goldschmidt
715 * sockets.c: Fixed LWIP_NETIF_TX_SINGLE_PBUF for LWIP_TCPIP_CORE_LOCKING
717 2010-03-06: Simon Goldschmidt
718 * ipv4/ip.c: Don't try to forward link-local addresses
720 2010-03-06: Simon Goldschmidt
721 * etharp.c: Fixed bug #29087: etharp: don't send packets for LinkLocal-
724 2010-03-05: Simon Goldschmidt
725 * dhcp.c: Fixed bug #29072: Correctly set ciaddr based on message-type
728 2010-03-05: Simon Goldschmidt
729 * api_msg.c: Correctly set TCP_WRITE_FLAG_MORE when netconn_write is split
730 into multiple calls to tcp_write.
732 2010-02-21: Simon Goldschmidt
733 * opt.h, mem.h, dns.c: task #10140: Remove DNS_USES_STATIC_BUF (keep
734 the implementation of DNS_USES_STATIC_BUF==1)
736 2010-02-20: Simon Goldschmidt
737 * tcp.h, tcp.c, tcp_in.c, tcp_out.c: Task #10088: Correctly implement
738 close() vs. shutdown(). Now the application does not get any more
739 recv callbacks after calling tcp_close(). Added tcp_shutdown().
741 2010-02-19: Simon Goldschmidt
742 * mem.c/.h, pbuf.c: Renamed mem_realloc() to mem_trim() to prevent
743 confusion with realloc()
745 2010-02-15: Simon Goldschmidt/Stephane Lesage
746 * netif.c/.h: Link status does not depend on LWIP_NETIF_LINK_CALLBACK
749 2010-02-14: Simon Goldschmidt
750 * netif.c: Fixed bug #28877 (Duplicate ARP gratuitous packet with
751 LWIP_NETIF_LINK_CALLBACK set on) by only sending if both link- and
752 admin-status of a netif are up
754 2010-02-14: Simon Goldschmidt
755 * opt.h: Disable ETHARP_TRUST_IP_MAC by default since it slows down packet
756 reception and is not really necessary
758 2010-02-14: Simon Goldschmidt
759 * etharp.c/.h: Fixed ARP input processing: only add a new entry if a
760 request was directed as us (RFC 826, Packet Reception), otherwise
761 only update existing entries; internalized some functions
763 2010-02-14: Simon Goldschmidt
764 * netif.h, etharp.c, tcpip.c: Fixed bug #28183 (ARP and TCP/IP cannot be
765 disabled on netif used for PPPoE) by adding a new netif flag
766 (NETIF_FLAG_ETHERNET) that tells the stack the device is an ethernet
767 device but prevents usage of ARP (so that ethernet_input can be used
770 2010-02-12: Simon Goldschmidt
771 * netif.c: netif_set_link_up/down: only do something if the link state
774 2010-02-12: Simon Goldschmidt/Stephane Lesage
775 * api_msg.c: Fixed bug #28865 (Cannot close socket/netconn in non-blocking
778 2010-02-12: Simon Goldschmidt
779 * mem.h: Fixed bug #28866 (mem_realloc function defined in mem.h)
781 2010-02-09: Simon Goldschmidt
782 * api_lib.c, api_msg.c, sockets.c, api.h, api_msg.h: Fixed bug #22110
783 (recv() makes receive window update for data that wasn't received by
786 2010-02-09: Simon Goldschmidt/Stephane Lesage
787 * sockets.c: Fixed bug #28853 (lwip_recvfrom() returns 0 on receive time-out
788 or any netconn_recv() error)
790 2010-02-09: Simon Goldschmidt
791 * ppp.c: task #10154 (PPP: Update snmp in/out counters for tx/rx packets)
793 2010-02-09: Simon Goldschmidt
794 * netif.c: For loopback packets, adjust the stats- and snmp-counters
795 for the loopback netif.
797 2010-02-08: Simon Goldschmidt
798 * igmp.c/.h, ip.h: Moved most defines from igmp.h to igmp.c for clarity
799 since they are not used anywhere else.
801 2010-02-08: Simon Goldschmidt (Stéphane Lesage)
802 * igmp.c, igmp.h, stats.c, stats.h: Improved IGMP stats
803 (patch from bug #28798)
805 2010-02-08: Simon Goldschmidt (Stéphane Lesage)
806 * igmp.c: Fixed bug #28798 (Error in "Max Response Time" processing) and
807 another bug when LWIP_RAND() returns zero.
809 2010-02-04: Simon Goldschmidt
810 * nearly every file: Use macros defined in ip_addr.h (some of them new)
811 to work with IP addresses (preparation for bug #27352 - Change ip_addr
812 from struct to typedef (u32_t) - and better code).
814 2010-01-31: Simon Goldschmidt
815 * netif.c: Don't call the link-callback from netif_set_up/down() since
816 this invalidly retriggers DHCP.
818 2010-01-29: Simon Goldschmidt
819 * ip_addr.h, inet.h, def.h, inet.c, def.c, more: Cleanly separate the
820 portability file inet.h and its contents from the stack: moved htonX-
821 functions to def.h (and the new def.c - they are not ipv4 dependent),
822 let inet.h depend on ip_addr.h and not the other way round.
823 This fixes bug #28732.
825 2010-01-28: Kieran Mansley
826 * tcp.c: Ensure ssthresh >= 2*MSS
828 2010-01-27: Simon Goldschmidt
829 * tcp.h, tcp.c, tcp_in.c: Fixed bug #27871: Calling tcp_abort() in recv
830 callback can lead to accessing unallocated memory. As a consequence,
831 ERR_ABRT means the application has called tcp_abort()!
833 2010-01-25: Simon Goldschmidt
834 * snmp_structs.h, msg_in.c: Partly fixed bug #22070 (MIB_OBJECT_WRITE_ONLY
835 not implemented in SNMP): write-only or not-accessible are still
836 returned by getnext (though not by get)
838 2010-01-24: Simon Goldschmidt
839 * snmp: Renamed the private mib node from 'private' to 'mib_private' to
840 not use reserved C/C++ keywords
842 2010-01-23: Simon Goldschmidt
843 * sockets.c: Fixed bug #28716: select() returns 0 after waiting for less
846 2010-01-21: Simon Goldschmidt
847 * tcp.c, api_msg.c: Fixed bug #28651 (tcp_connect: no callbacks called
848 if tcp_enqueue fails) both in raw- and netconn-API
850 2010-01-19: Simon Goldschmidt
851 * api_msg.c: Fixed bug #27316: netconn: Possible deadlock in err_tcp
853 2010-01-18: Iordan Neshev/Simon Goldschmidt
854 * src/netif/ppp: reorganised PPP sourcecode to 2.3.11 including some
855 bugfix backports from 2.4.x.
857 2010-01-18: Simon Goldschmidt
858 * mem.c: Fixed bug #28679: mem_realloc calculates mem_stats wrong
860 2010-01-17: Simon Goldschmidt
861 * api_lib.c, api_msg.c, (api_msg.h, api.h, sockets.c, tcpip.c):
862 task #10102: "netconn: clean up conn->err threading issues" by adding
863 error return value to struct api_msg_msg
865 2010-01-17: Simon Goldschmidt
866 * api.h, api_lib.c, sockets.c: Changed netconn_recv() and netconn_accept()
867 to return err_t (bugs #27709 and #28087)
869 2010-01-14: Simon Goldschmidt
870 * ...: Use typedef for function prototypes throughout the stack.
872 2010-01-13: Simon Goldschmidt
873 * api_msg.h/.c, api_lib.c: Fixed bug #26672 (close connection when receive
874 window = 0) by correctly draining recvmbox/acceptmbox
876 2010-01-11: Simon Goldschmidt
877 * pap.c: Fixed bug #13315 (PPP PAP authentication can result in
878 erroneous callbacks) by copying the code from recent pppd
880 2010-01-10: Simon Goldschmidt
881 * raw.c: Fixed bug #28506 (raw_bind should filter received packets)
883 2010-01-10: Simon Goldschmidt
884 * tcp.h/.c: bug #28127 (remove call to tcp_output() from tcp_ack(_now)())
886 2010-01-08: Simon Goldschmidt
887 * sockets.c: Fixed bug #28519 (lwip_recvfrom bug with len > 65535)
889 2010-01-08: Simon Goldschmidt
890 * dns.c: Copy hostname for DNS_LOCAL_HOSTLIST_IS_DYNAMIC==1 since string
891 passed to dns_local_addhost() might be volatile
893 2010-01-07: Simon Goldschmidt
894 * timers.c, tcp.h: Call tcp_timer_needed() with NO_SYS==1, too
896 2010-01-06: Simon Goldschmidt
897 * netdb.h: Fixed bug #28496: missing include guards in netdb.h
899 2009-12-31: Simon Goldschmidt
900 * many ppp files: Reorganised PPP source code from ucip structure to pppd
901 structure to easily compare our code against the pppd code (around v2.3.1)
903 2009-12-27: Simon Goldschmidt
904 * tcp_in.c: Another fix for bug #28241 (ooseq processing) and adapted
912 2009-10-27 Simon Goldschmidt/Stephan Lesage
913 * netifapi.c/.h: Added netifapi_netif_set_addr()
915 2009-10-07 Simon Goldschmidt/Fabian Koch
916 * api_msg.c, netbuf.c/.h, opt.h: patch #6888: Patch for UDP Netbufs to
917 support dest-addr and dest-port (optional: LWIP_NETBUF_RECVINFO)
919 2009-08-26 Simon Goldschmidt/Simon Kallweit
920 * slipif.c/.h: bug #26397: SLIP polling support
922 2009-08-25 Simon Goldschmidt
923 * opt.h, etharp.h/.c: task #9033: Support IEEE 802.1q tagged frame (VLAN),
924 New configuration options ETHARP_SUPPORT_VLAN and ETHARP_VLAN_CHECK.
926 2009-08-25 Simon Goldschmidt
927 * ip_addr.h, netdb.c: patch #6900: added define ip_ntoa(struct ip_addr*)
929 2009-08-24 Jakob Stoklund Olesen
930 * autoip.c, dhcp.c, netif.c: patch #6725: Teach AutoIP and DHCP to respond
931 to netif_set_link_up().
933 2009-08-23 Simon Goldschmidt
934 * tcp.h/.c: Added function tcp_debug_state_str() to convert a tcp state
935 to a human-readable string.
939 2009-12-24: Kieran Mansley
940 * tcp_in.c Apply patches from Oleg Tyshev to improve OOS processing
943 2009-12-06: Simon Goldschmidt
944 * ppp.h/.c: Fixed bug #27079 (Yet another leak in PPP): outpacket_buf can
945 be statically allocated (like in ucip)
947 2009-12-04: Simon Goldschmidt (patch by Ioardan Neshev)
948 * pap.c: patch #6969: PPP: missing PAP authentication UNTIMEOUT
950 2009-12-03: Simon Goldschmidt
951 * tcp.h, tcp_in.c, tcp_out.c: Fixed bug #28106: dup ack for fast retransmit
952 could have non-zero length
954 2009-12-02: Simon Goldschmidt
955 * tcp_in.c: Fixed bug #27904: TCP sends too many ACKs: delay resetting
956 tcp_input_pcb until after calling the pcb's callbacks
958 2009-11-29: Simon Goldschmidt
959 * tcp_in.c: Fixed bug #28054: Two segments with FIN flag on the out-of-
960 sequence queue, also fixed PBUF_POOL leak in the out-of-sequence code
962 2009-11-29: Simon Goldschmidt
963 * pbuf.c: Fixed bug #28064: pbuf_alloc(PBUF_POOL) is not thread-safe by
964 queueing a call into tcpip_thread to free ooseq-bufs if the pool is empty
966 2009-11-26: Simon Goldschmidt
967 * tcp.h: Fixed bug #28098: Nagle can prevent fast retransmit from sending
970 2009-11-26: Simon Goldschmidt
971 * tcp.h, sockets.c: Fixed bug #28099: API required to disable Nagle
972 algorithm at PCB level
974 2009-11-22: Simon Goldschmidt
975 * tcp_out.c: Fixed bug #27905: FIN isn't combined with data on unsent
977 2009-11-22: Simon Goldschmidt (suggested by Bill Auerbach)
978 * tcp.c: tcp_alloc: prevent increasing stats.err for MEMP_TCP_PCB when
979 reusing time-wait pcb
981 2009-11-20: Simon Goldschmidt (patch by Albert Bartel)
982 * sockets.c: Fixed bug #28062: Data received directly after accepting
983 does not wake up select
985 2009-11-11: Simon Goldschmidt
986 * netdb.h: Fixed bug #27994: incorrect define for freeaddrinfo(addrinfo)
988 2009-10-30: Simon Goldschmidt
989 * opt.h: Increased default value for TCP_MSS to 536, updated default
990 value for TCP_WND to 4*TCP_MSS to keep delayed ACK working.
992 2009-10-28: Kieran Mansley
993 * tcp_in.c, tcp_out.c, tcp.h: re-work the fast retransmission code
994 to follow algorithm from TCP/IP Illustrated
996 2009-10-27: Kieran Mansley
997 * tcp_in.c: fix BUG#27445: grow cwnd with every duplicate ACK
999 2009-10-25: Simon Goldschmidt
1000 * tcp.h: bug-fix in the TCP_EVENT_RECV macro (has to call tcp_recved if
1001 pcb->recv is NULL to keep rcv_wnd correct)
1003 2009-10-25: Simon Goldschmidt
1004 * tcp_in.c: Fixed bug #26251: RST process in TIME_WAIT TCP state
1006 2009-10-23: Simon Goldschmidt (David Empson)
1007 * tcp.c: Fixed bug #27783: Silly window avoidance for small window sizes
1009 2009-10-21: Simon Goldschmidt
1010 * tcp_in.c: Fixed bug #27215: TCP sent() callback gives leading and
1011 trailing 1 byte len (SYN/FIN)
1013 2009-10-21: Simon Goldschmidt
1014 * tcp_out.c: Fixed bug #27315: zero window probe and FIN
1016 2009-10-19: Simon Goldschmidt
1017 * dhcp.c/.h: Minor code simplification (don't store received pbuf, change
1018 conditional code to assert where applicable), check pbuf length before
1019 testing for valid reply
1021 2009-10-19: Simon Goldschmidt
1022 * dhcp.c: Removed most calls to udp_connect since they aren't necessary
1023 when using udp_sendto_if() - always stay connected to IP_ADDR_ANY.
1025 2009-10-16: Simon Goldschmidt
1026 * ip.c: Fixed bug #27390: Source IP check in ip_input() causes it to drop
1027 valid DHCP packets -> allow 0.0.0.0 as source address when LWIP_DHCP is
1030 2009-10-15: Simon Goldschmidt (Oleg Tyshev)
1031 * tcp_in.c: Fixed bug #27329: dupacks by unidirectional data transmit
1033 2009-10-15: Simon Goldschmidt
1034 * api_lib.c: Fixed bug #27709: conn->err race condition on netconn_recv()
1037 2009-10-15: Simon Goldschmidt
1038 * autoip.c: Fixed bug #27704: autoip starts with wrong address
1039 LWIP_AUTOIP_CREATE_SEED_ADDR() returned address in host byte order instead
1040 of network byte order
1042 2009-10-11 Simon Goldschmidt (Jörg Kesten)
1043 * tcp_out.c: Fixed bug #27504: tcp_enqueue wrongly concatenates segments
1044 which are not consecutive when retransmitting unacked segments
1046 2009-10-09 Simon Goldschmidt
1047 * opt.h: Fixed default values of some stats to only be enabled if used
1048 Fixes bug #27338: sys_stats is defined when NO_SYS = 1
1050 2009-08-30 Simon Goldschmidt
1051 * ip.c: Fixed bug bug #27345: "ip_frag() does not use the LWIP_NETIF_LOOPBACK
1052 function" by checking for loopback before calling ip_frag
1054 2009-08-25 Simon Goldschmidt
1055 * dhcp.c: fixed invalid dependency to etharp_query if DHCP_DOES_ARP_CHECK==0
1057 2009-08-23 Simon Goldschmidt
1058 * ppp.c: bug #27078: Possible memory leak in pppInit()
1060 2009-08-23 Simon Goldschmidt
1061 * netdb.c, dns.c: bug #26657: DNS, if host name is "localhost", result
1064 2009-08-23 Simon Goldschmidt
1065 * opt.h, init.c: bug #26649: TCP fails when TCP_MSS > TCP_SND_BUF
1066 Fixed wrong parenthesis, added check in init.c
1068 2009-08-23 Simon Goldschmidt
1069 * ppp.c: bug #27266: wait-state debug message in pppMain occurs every ms
1071 2009-08-23 Simon Goldschmidt
1072 * many ppp files: bug #27267: Added include to string.h where needed
1074 2009-08-23 Simon Goldschmidt
1075 * tcp.h: patch #6843: tcp.h macro optimization patch (for little endian)
1082 2009-05-10 Simon Goldschmidt
1083 * opt.h, sockets.c, pbuf.c, netbuf.h, pbuf.h: task #7013: Added option
1084 LWIP_NETIF_TX_SINGLE_PBUF to try to create transmit packets from only
1085 one pbuf to help MACs that don't support scatter-gather DMA.
1087 2009-05-09 Simon Goldschmidt
1088 * icmp.h, icmp.c: Shrinked ICMP code, added option to NOT check icoming
1089 ECHO pbuf for size (just use it): LWIP_ICMP_ECHO_CHECK_INPUT_PBUF_LEN
1091 2009-05-05 Simon Goldschmidt, Jakob Stoklund Olesen
1092 * ip.h, ip.c: Added ip_current_netif() & ip_current_header() to receive
1093 extended info about the currently received packet.
1095 2009-04-27 Simon Goldschmidt
1096 * sys.h: Made SYS_LIGHTWEIGHT_PROT and sys_now() work with NO_SYS=1
1098 2009-04-25 Simon Goldschmidt
1099 * mem.c, opt.h: Added option MEM_USE_POOLS_TRY_BIGGER_POOL to try the next
1100 bigger malloc pool if one is empty (only usable with MEM_USE_POOLS).
1102 2009-04-21 Simon Goldschmidt
1103 * dns.c, init.c, dns.h, opt.h: task #7507, patch #6786: DNS supports static
1104 hosts table. New configuration options DNS_LOCAL_HOSTLIST and
1105 DNS_LOCAL_HOSTLIST_IS_DYNAMIC. Also, DNS_LOOKUP_LOCAL_EXTERN() can be defined
1106 as an external function for lookup.
1108 2009-04-15 Simon Goldschmidt
1109 * dhcp.c: patch #6763: Global DHCP XID can be redefined to something more unique
1111 2009-03-31 Kieran Mansley
1112 * tcp.c, tcp_out.c, tcp_in.c, sys.h, tcp.h, opts.h: add support for
1113 TCP timestamp options, off by default. Rework tcp_enqueue() to
1114 take option flags rather than specified option data
1116 2009-02-18 Simon Goldschmidt
1117 * cc.h: Added printf formatter for size_t: SZT_F
1119 2009-02-16 Simon Goldschmidt (patch by Rishi Khan)
1120 * icmp.c, opt.h: patch #6539: (configurable) response to broadcast- and multicast
1123 2009-02-12 Simon Goldschmidt
1124 * init.h: Added LWIP_VERSION to get the current version of the stack
1126 2009-02-11 Simon Goldschmidt (suggested by Gottfried Spitaler)
1127 * opt.h, memp.h/.c: added MEMP_MEM_MALLOC to use mem_malloc/mem_free instead
1128 of the pool allocator (can save code size with MEM_LIBC_MALLOC if libc-malloc
1131 2009-01-28 Jonathan Larmour (suggested by Bill Bauerbach)
1132 * ipv4/inet_chksum.c, ipv4/lwip/inet_chksum.h: inet_chksum_pseudo_partial()
1133 is only used by UDPLITE at present, so conditionalise it.
1135 2008-12-03 Simon Goldschmidt (base on patch from Luca Ceresoli)
1136 * autoip.c: checked in (slightly modified) patch #6683: Customizable AUTOIP
1137 "seed" address. This should reduce AUTOIP conflicts if
1138 LWIP_AUTOIP_CREATE_SEED_ADDR is overridden.
1140 2008-10-02 Jonathan Larmour and Rishi Khan
1141 * sockets.c (lwip_accept): Return EWOULDBLOCK if would block on non-blocking
1144 2008-06-30 Simon Goldschmidt
1145 * mem.c, opt.h, stats.h: fixed bug #21433: Calling mem_free/pbuf_free from
1146 interrupt context isn't safe: LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT allows
1147 mem_free to run between mem_malloc iterations. Added illegal counter for
1150 2008-06-27 Simon Goldschmidt
1151 * stats.h/.c, some other files: patch #6483: stats module improvement:
1152 Added defines to display each module's statistic individually, added stats
1153 defines for MEM, MEMP and SYS modules, removed (unused) rexmit counter.
1155 2008-06-17 Simon Goldschmidt
1156 * err.h: patch #6459: Made err_t overridable to use a more efficient type
1157 (define LWIP_ERR_T in cc.h)
1159 2008-06-17 Simon Goldschmidt
1160 * slipif.c: patch #6480: Added a configuration option for slipif for symmetry
1163 2008-06-17 Simon Goldschmidt (patch by Luca Ceresoli)
1164 * netif.c, loopif.c, ip.c, netif.h, loopif.h, opt.h: Checked in slightly
1165 modified version of patch # 6370: Moved loopif code to netif.c so that
1166 loopback traffic is supported on all netifs (all local IPs).
1167 Added option to limit loopback packets for each netifs.
1171 2009-08-12 Kieran Mansley
1172 * tcp_in.c, tcp.c: Fix bug #27209: handle trimming of segments when
1173 out of window or out of order properly
1175 2009-08-12 Kieran Mansley
1176 * tcp_in.c: Fix bug #27199: use snd_wl2 instead of snd_wl1
1178 2009-07-28 Simon Goldschmidt
1179 * mem.h: Fixed bug #27105: "realloc() cannot replace mem_realloc()"s
1181 2009-07-27 Kieran Mansley
1182 * api.h api_msg.h netdb.h sockets.h: add missing #include directives
1184 2009-07-09 Kieran Mansley
1185 * api_msg.c, sockets.c, api.h: BUG23240 use signed counters for
1186 recv_avail and don't increment counters until message successfully
1189 2009-06-25 Kieran Mansley
1190 * api_msg.c api.h: BUG26722: initialise netconn write variables
1193 2009-06-25 Kieran Mansley
1194 * tcp.h: BUG26879: set ret value in TCP_EVENT macros when function is not set
1196 2009-06-25 Kieran Mansley
1197 * tcp.c, tcp_in.c, tcp_out.c, tcp.h: BUG26301 and BUG26267: correct
1198 simultaneous close behaviour, and make snd_nxt have the same meaning
1201 2009-05-12 Simon Goldschmidt
1202 * etharp.h, etharp.c, netif.c: fixed bug #26507: "Gratuitous ARP depends on
1203 arp_table / uses etharp_query" by adding etharp_gratuitous()
1205 2009-05-12 Simon Goldschmidt
1206 * ip.h, ip.c, igmp.c: bug #26487: Added ip_output_if_opt that can add IP options
1207 to the IP header (used by igmp_ip_output_if)
1209 2009-05-06 Simon Goldschmidt
1210 * inet_chksum.c: On little endian architectures, use LWIP_PLATFORM_HTONS (if
1211 defined) for SWAP_BYTES_IN_WORD to speed up checksumming.
1213 2009-05-05 Simon Goldschmidt
1214 * sockets.c: bug #26405: Prematurely released semaphore causes lwip_select()
1217 2009-05-04 Simon Goldschmidt
1218 * init.c: snmp was not initialized in lwip_init()
1220 2009-05-04 Frédéric Bernon
1221 * dhcp.c, netbios.c: Changes if IP_SOF_BROADCAST is enabled.
1223 2009-05-03 Simon Goldschmidt
1224 * tcp.h: bug #26349: Nagle algorithm doesn't send although segment is full
1225 (and unsent->next == NULL)
1227 2009-05-02 Simon Goldschmidt
1228 * tcpip.h, tcpip.c: fixed tcpip_untimeout (does not need the time, broken after
1229 1.3.0 in CVS only) - fixes compilation of ppp_oe.c
1231 2009-05-02 Simon Goldschmidt
1232 * msg_in.c: fixed bug #25636: SNMPSET value is ignored for integer fields
1234 2009-05-01 Simon Goldschmidt
1235 * pap.c: bug #21680: PPP upap_rauthnak() drops legal NAK packets
1237 2009-05-01 Simon Goldschmidt
1238 * ppp.c: bug #24228: Memory corruption with PPP and DHCP
1240 2009-04-29 Frédéric Bernon
1241 * raw.c, udp.c, init.c, opt.h, ip.h, sockets.h: bug #26309: Implement the
1242 SO(F)_BROADCAST filter for all API layers. Avoid the unindented reception
1243 of broadcast packets even when this option wasn't set. Port maintainers
1244 which want to enable this filter have to set IP_SOF_BROADCAST=1 in opt.h.
1245 If you want this option also filter broadcast on recv operations, you also
1246 have to set IP_SOF_BROADCAST_RECV=1 in opt.h.
1248 2009-04-28 Simon Goldschmidt, Jakob Stoklund Olesen
1249 * dhcp.c: patch #6721, bugs #25575, #25576: Some small fixes to DHCP and
1250 DHCP/AUTOIP cooperation
1252 2009-04-25 Simon Goldschmidt, Oleg Tyshev
1253 * tcp_out.c: bug #24212: Deadlocked tcp_retransmit due to exceeded pcb->cwnd
1254 Fixed by sorting the unsent and unacked queues (segments are inserted at the
1255 right place in tcp_output and tcp_rexmit).
1257 2009-04-25 Simon Goldschmidt
1258 * memp.c, mem.c, memp.h, mem_std.h: bug #26213 "Problem with memory allocation
1259 when debugging": memp_sizes contained the wrong sizes (including sanity
1260 regions); memp pools for MEM_USE_POOLS were too small
1262 2009-04-24 Simon Goldschmidt, Frédéric Bernon
1263 * inet.c: patch #6765: Fix a small problem with the last changes (incorrect
1264 behavior, with with ip address string not ended by a '\0', a space or a
1267 2009-04-19 Simon Goldschmidt
1268 * rawapi.txt: Fixed bug #26069: Corrected documentation: if tcp_connect fails,
1269 pcb->err is called, not pcb->connected (with an error code).
1271 2009-04-19 Simon Goldschmidt
1272 * tcp_out.c: Fixed bug #26236: "TCP options (timestamp) don't work with
1273 no-copy-tcpwrite": deallocate option data, only concat segments with same flags
1275 2009-04-19 Simon Goldschmidt
1276 * tcp_out.c: Fixed bug #25094: "Zero-length pbuf" (options are now allocated
1277 in the header pbuf, not the data pbuf)
1279 2009-04-18 Simon Goldschmidt
1280 * api_msg.c: fixed bug #25695: Segmentation fault in do_writemore()
1282 2009-04-15 Simon Goldschmidt
1283 * sockets.c: tried to fix bug #23559: lwip_recvfrom problem with tcp
1285 2009-04-15 Simon Goldschmidt
1286 * dhcp.c: task #9192: mem_free of dhcp->options_in and dhcp->msg_in
1288 2009-04-15 Simon Goldschmidt
1289 * ip.c, ip6.c, tcp_out.c, ip.h: patch #6808: Add a utility function
1290 ip_hinted_output() (for smaller code mainly)
1292 2009-04-15 Simon Goldschmidt
1293 * inet.c: patch #6765: Supporting new line characters in inet_aton()
1295 2009-04-15 Simon Goldschmidt
1296 * dhcp.c: patch #6764: DHCP rebind and renew did not send hostnam option;
1297 Converted constant OPTION_MAX_MSG_SIZE to netif->mtu, check if netif->mtu
1298 is big enough in dhcp_start
1300 2009-04-15 Simon Goldschmidt
1301 * netbuf.c: bug #26027: netbuf_chain resulted in pbuf memory leak
1303 2009-04-15 Simon Goldschmidt
1304 * sockets.c, ppp.c: bug #25763: corrected 4 occurrences of SMEMCPY to MEMCPY
1306 2009-04-15 Simon Goldschmidt
1307 * sockets.c: bug #26121: set_errno can be overridden
1309 2009-04-09 Kieran Mansley (patch from Luca Ceresoli <lucaceresoli>)
1310 * init.c, opt.h: Patch#6774 TCP_QUEUE_OOSEQ breaks compilation when
1313 2009-04-09 Kieran Mansley (patch from Roy Lee <roylee17>)
1314 * tcp.h: Patch#6802 Add do-while-clauses to those function like
1317 2009-03-31 Kieran Mansley
1318 * tcp.c, tcp_in.c, tcp_out.c, tcp.h, opt.h: Rework the way window
1319 updates are calculated and sent (BUG20515)
1321 * tcp_in.c: cope with SYN packets received during established states,
1322 and retransmission of initial SYN.
1324 * tcp_out.c: set push bit correctly when tcp segments are merged
1326 2009-03-27 Kieran Mansley
1327 * tcp_out.c set window correctly on probes (correcting change made
1330 2009-03-26 Kieran Mansley
1331 * tcp.c, tcp_in.c, tcp.h: add tcp_abandon() to cope with dropping
1332 connections where no reset required (bug #25622)
1334 * tcp_out.c: set TCP_ACK flag on keepalive and zero window probes
1337 2009-02-18 Simon Goldschmidt (Jonathan Larmour and Bill Auerbach)
1338 * ip_frag.c: patch #6528: the buffer used for IP_FRAG_USES_STATIC_BUF could be
1339 too small depending on MEM_ALIGNMENT
1341 2009-02-16 Simon Goldschmidt
1342 * sockets.h/.c, api_*.h/.c: fixed arguments of socket functions to match the standard;
1343 converted size argument of netconn_write to 'size_t'
1345 2009-02-16 Simon Goldschmidt
1346 * tcp.h, tcp.c: fixed bug #24440: TCP connection close problem on 64-bit host
1347 by moving accept callback function pointer to TCP_PCB_COMMON
1349 2009-02-12 Simon Goldschmidt
1350 * dhcp.c: fixed bug #25345 (DHCPDECLINE is sent with "Maximum message size"
1353 2009-02-11 Simon Goldschmidt
1354 * dhcp.c: fixed bug #24480 (releasing old udp_pdb and pbuf in dhcp_start)
1356 2009-02-11 Simon Goldschmidt
1357 * opt.h, api_msg.c: added configurable default valud for netconn->recv_bufsize:
1358 RECV_BUFSIZE_DEFAULT (fixes bug #23726: pbuf pool exhaustion on slow recv())
1360 2009-02-10 Simon Goldschmidt
1361 * tcp.c: fixed bug #25467: Listen backlog is not reset on timeout in SYN_RCVD:
1362 Accepts_pending is decrease on a corresponding listen pcb when a connection
1363 in state SYN_RCVD is close.
1365 2009-01-28 Jonathan Larmour
1366 * pbuf.c: reclaim pbufs from TCP out-of-sequence segments if we run
1369 2008-12-19 Simon Goldschmidt
1370 * many files: patch #6699: fixed some warnings on platform where sizeof(int) == 2
1372 2008-12-10 Tamas Somogyi, Frédéric Bernon
1373 * sockets.c: fixed bug #25051: lwip_recvfrom problem with udp: fromaddr and
1374 port uses deleted netbuf.
1376 2008-10-18 Simon Goldschmidt
1377 * tcp_in.c: fixed bug ##24596: Vulnerability on faulty TCP options length
1380 2008-10-15 Simon Goldschmidt
1381 * ip_frag.c: fixed bug #24517: IP reassembly crashes on unaligned IP headers
1382 by packing the struct ip_reass_helper.
1384 2008-10-03 David Woodhouse, Jonathan Larmour
1385 * etharp.c (etharp_arp_input): Fix type aliasing problem copying ip address.
1387 2008-10-02 Jonathan Larmour
1388 * dns.c: Hard-code structure sizes, to avoid issues on some compilers where
1389 padding is included.
1391 2008-09-30 Jonathan Larmour
1392 * sockets.c (lwip_accept): check addr isn't NULL. If it's valid, do an
1393 assertion check that addrlen isn't NULL.
1395 2008-09-30 Jonathan Larmour
1396 * tcp.c: Fix bug #24227, wrong error message in tcp_bind.
1398 2008-08-26 Simon Goldschmidt
1399 * inet.h, ip_addr.h: fixed bug #24132: Cross-dependency between ip_addr.h and
1400 inet.h -> moved declaration of struct in_addr from ip_addr.h to inet.h
1402 2008-08-14 Simon Goldschmidt
1403 * api_msg.c: fixed bug #23847: do_close_internal references freed memory (when
1404 tcp_close returns != ERR_OK)
1406 2008-07-08 Frédéric Bernon
1407 * stats.h: Fix some build bugs introduced with patch #6483 (missing some parameters
1408 in macros, mainly if MEM_STATS=0 and MEMP_STATS=0).
1410 2008-06-24 Jonathan Larmour
1411 * tcp_in.c: Fix for bug #23693 as suggested by Art R. Ensure cseg is unused
1412 if tcp_seg_copy fails.
1414 2008-06-17 Simon Goldschmidt
1415 * inet_chksum.c: Checked in some ideas of patch #6460 (loop optimizations)
1416 and created defines for swapping bytes and folding u32 to u16.
1418 2008-05-30 Kieran Mansley
1419 * tcp_in.c Remove redundant "if" statement, and use real rcv_wnd
1420 rather than rcv_ann_wnd when deciding if packets are in-window.
1421 Contributed by <arasmussen@consultant.datasys.swri.edu>
1423 2008-05-30 Kieran Mansley
1424 * mem.h: Fix BUG#23254. Change macro definition of mem_* to allow
1425 passing as function pointers when MEM_LIBC_MALLOC is defined.
1427 2008-05-09 Jonathan Larmour
1428 * err.h, err.c, sockets.c: Fix bug #23119: Reorder timeout error code to
1429 stop it being treated as a fatal error.
1431 2008-04-15 Simon Goldschmidt
1432 * dhcp.c: fixed bug #22804: dhcp_stop doesn't clear NETIF_FLAG_DHCP
1435 2008-03-27 Simon Goldschmidt
1436 * mem.c, tcpip.c, tcpip.h, opt.h: fixed bug #21433 (Calling mem_free/pbuf_free
1437 from interrupt context isn't safe): set LWIP_USE_HEAP_FROM_INTERRUPT to 1
1438 in lwipopts.h or use pbuf_free_callback(p)/mem_free_callback(m) to free pbufs
1439 or heap memory from interrupt context
1441 2008-03-26 Simon Goldschmidt
1442 * tcp_in.c, tcp.c: fixed bug #22249: division by zero could occur if a remote
1443 host sent a zero mss as TCP option.
1450 2008-03-10 Jonathan Larmour
1451 * inet_chksum.c: Allow choice of one of the sample algorithms to be
1452 made from lwipopts.h. Fix comment on how to override LWIP_CHKSUM.
1454 2008-01-22 Frédéric Bernon
1455 * tcp.c, tcp_in.c, tcp.h, opt.h: Rename LWIP_CALCULATE_EFF_SEND_MSS in
1456 TCP_CALCULATE_EFF_SEND_MSS to have coherent TCP options names.
1458 2008-01-14 Frédéric Bernon
1459 * rawapi.txt, api_msg.c, tcp.c, tcp_in.c, tcp.h: changes for task #7675 "Enable
1460 to refuse data on a TCP_EVENT_RECV call". Important, behavior changes for the
1461 tcp_recv callback (see rawapi.txt).
1463 2008-01-14 Frédéric Bernon, Marc Chaland
1464 * ip.c: Integrate patch #6369" ip_input : checking before realloc".
1466 2008-01-12 Frédéric Bernon
1467 * tcpip.h, tcpip.c, api.h, api_lib.c, api_msg.c, sockets.c: replace the field
1468 netconn::sem per netconn::op_completed like suggested for the task #7490
1469 "Add return value to sys_mbox_post".
1471 2008-01-12 Frédéric Bernon
1472 * api_msg.c, opt.h: replace DEFAULT_RECVMBOX_SIZE per DEFAULT_TCP_RECVMBOX_SIZE,
1473 DEFAULT_UDP_RECVMBOX_SIZE and DEFAULT_RAW_RECVMBOX_SIZE (to optimize queues
1474 sizes), like suggested for the task #7490 "Add return value to sys_mbox_post".
1476 2008-01-10 Frédéric Bernon
1477 * tcpip.h, tcpip.c: add tcpip_callback_with_block function for the task #7490
1478 "Add return value to sys_mbox_post". tcpip_callback is always defined as
1479 "blocking" ("block" parameter = 1).
1481 2008-01-10 Frédéric Bernon
1482 * tcpip.h, tcpip.c, api.h, api_lib.c, api_msg.c, sockets.c: replace the field
1483 netconn::mbox (sys_mbox_t) per netconn::sem (sys_sem_t) for the task #7490
1484 "Add return value to sys_mbox_post".
1486 2008-01-05 Frédéric Bernon
1487 * sys_arch.txt, api.h, api_lib.c, api_msg.h, api_msg.c, tcpip.c, sys.h, opt.h:
1488 Introduce changes for task #7490 "Add return value to sys_mbox_post" with some
1489 modifications in the sys_mbox api: sys_mbox_new take a "size" parameters which
1490 indicate the number of pointers query by the mailbox. There is three defines
1491 in opt.h to indicate sizes for tcpip::mbox, netconn::recvmbox, and for the
1492 netconn::acceptmbox. Port maintainers, you can decide to just add this new
1493 parameter in your implementation, but to ignore it to keep the previous behavior.
1494 The new sys_mbox_trypost function return a value to know if the mailbox is
1495 full or if the message is posted. Take a look to sys_arch.txt for more details.
1496 This new function is used in tcpip_input (so, can be called in an interrupt
1497 context since the function is not blocking), and in recv_udp and recv_raw.
1499 2008-01-04 Frédéric Bernon, Simon Goldschmidt, Jonathan Larmour
1500 * rawapi.txt, api.h, api_lib.c, api_msg.h, api_msg.c, sockets.c, tcp.h, tcp.c,
1501 tcp_in.c, init.c, opt.h: rename backlog options with TCP_ prefix, limit the
1502 "backlog" parameter in an u8_t, 0 is interpreted as "smallest queue", add
1503 documentation in the rawapi.txt file.
1505 2007-12-31 Kieran Mansley (based on patch from Per-Henrik Lundbolm)
1506 * tcp.c, tcp_in.c, tcp_out.c, tcp.h: Add TCP persist timer
1508 2007-12-31 Frédéric Bernon, Luca Ceresoli
1509 * autoip.c, etharp.c: ip_addr.h: Integrate patch #6348: "Broadcast ARP packets
1510 in autoip". The change in etharp_raw could be removed, since all calls to
1511 etharp_raw use ethbroadcast for the "ethdst_addr" parameter. But it could be
1512 wrong in the future.
1514 2007-12-30 Frédéric Bernon, Tom Evans
1515 * ip.c: Fix bug #21846 "LwIP doesn't appear to perform any IP Source Address
1516 Filtering" reported by Tom Evans.
1518 2007-12-21 Frédéric Bernon, Simon Goldschmidt, Jonathan Larmour
1519 * tcp.h, opt.h, api.h, api_msg.h, tcp.c, tcp_in.c, api_lib.c, api_msg.c,
1520 sockets.c, init.c: task #7252: Implement TCP listen backlog: Warning: raw API
1521 applications have to call 'tcp_accepted(pcb)' in their accept callback to
1522 keep accepting new connections.
1524 2007-12-13 Frédéric Bernon
1525 * api_msg.c, err.h, err.c, sockets.c, dns.c, dns.h: replace "enum dns_result"
1526 by err_t type. Add a new err_t code "ERR_INPROGRESS".
1528 2007-12-12 Frédéric Bernon
1529 * dns.h, dns.c, opt.h: move DNS options to the "right" place. Most visibles
1530 are the one which have ram usage.
1532 2007-12-05 Frédéric Bernon
1533 * netdb.c: add a LWIP_DNS_API_HOSTENT_STORAGE option to decide to use a static
1534 set of variables (=0) or a local one (=1). In this last case, your port should
1535 provide a function "struct hostent* sys_thread_hostent( struct hostent* h)"
1536 which have to do a copy of "h" and return a pointer ont the "per-thread" copy.
1538 2007-12-03 Simon Goldschmidt
1539 * ip.c: ip_input: check if a packet is for inp first before checking all other
1540 netifs on netif_list (speeds up packet receiving in most cases)
1542 2007-11-30 Simon Goldschmidt
1543 * udp.c, raw.c: task #7497: Sort lists (pcb, netif, ...) for faster access
1544 UDP: move a (connected) pcb selected for input to the front of the list of
1545 pcbs so that it is found faster next time. Same for RAW pcbs that have eaten
1548 2007-11-28 Simon Goldschmidt
1549 * etharp.c, stats.c, stats.h, opt.h: Introduced ETHARP_STATS
1551 2007-11-25 Simon Goldschmidt
1552 * dhcp.c: dhcp_unfold_reply() uses pbuf_copy_partial instead of its own copy
1555 2007-11-24 Simon Goldschmidt
1556 * netdb.h, netdb.c, sockets.h/.c: Moved lwip_gethostbyname from sockets.c
1557 to the new file netdb.c; included lwip_getaddrinfo.
1559 2007-11-21 Simon Goldschmidt
1560 * tcp.h, opt.h, tcp.c, tcp_in.c: implemented calculating the effective send-mss
1561 based on the MTU of the netif used to send. Enabled by default. Disable by
1562 setting LWIP_CALCULATE_EFF_SEND_MSS to 0. This fixes bug #21492.
1564 2007-11-19 Frédéric Bernon
1565 * api_msg.c, dns.h, dns.c: Implement DNS_DOES_NAME_CHECK option (check if name
1566 received match the name query), implement DNS_USES_STATIC_BUF (the place where
1567 copy dns payload to parse the response), return an error if there is no place
1568 for a new query, and fix some minor problems.
1570 2007-11-16 Simon Goldschmidt
1571 * new files: ipv4/inet.c, ipv4/inet_chksum.c, ipv6/inet6.c
1572 removed files: core/inet.c, core/inet6.c
1573 Moved inet files into ipv4/ipv6 directory; splitted inet.c/inet.h into
1574 inet and chksum part; changed includes in all lwIP files as appropriate
1576 2007-11-16 Simon Goldschmidt
1577 * api.h, api_msg.h, api_lib.c, api_msg.c, socket.h, socket.c: Added sequential
1578 dns resolver function for netconn api (netconn_gethostbyname) and socket api
1579 (gethostbyname/gethostbyname_r).
1581 2007-11-15 Jim Pettinato, Frédéric Bernon
1582 * opt.h, init.c, tcpip.c, dhcp.c, dns.h, dns.c: add DNS client for simple name
1583 requests with RAW api interface. Initialization is done in lwip_init() with
1584 build time options. DNS timer is added in tcpip_thread context. DHCP can set
1585 DNS server ip addresses when options are received. You need to set LWIP_DNS=1
1586 in your lwipopts.h file (LWIP_DNS=0 in opt.h). DNS_DEBUG can be set to get
1587 some traces with LWIP_DEBUGF. Sanity check have been added. There is a "todo"
1588 list with points to improve.
1590 2007-11-06 Simon Goldschmidt
1591 * opt.h, mib2.c: Patch #6215: added ifAdminStatus write support (if explicitly
1592 enabled by defining SNMP_SAFE_REQUESTS to 0); added code to check link status
1593 for ifOperStatus if LWIP_NETIF_LINK_CALLBACK is defined.
1595 2007-11-06 Simon Goldschmidt
1596 * api.h, api_msg.h and dependent files: Task #7410: Removed the need to include
1597 core header files in api.h (ip/tcp/udp/raw.h) to hide the internal
1598 implementation from netconn api applications.
1600 2007-11-03 Frédéric Bernon
1601 * api.h, api_lib.c, api_msg.c, sockets.c, opt.h: add SO_RCVBUF option for UDP &
1602 RAW netconn. You need to set LWIP_SO_RCVBUF=1 in your lwipopts.h (it's disabled
1603 by default). Netconn API users can use the netconn_recv_bufsize macro to access
1604 it. This is a first release which have to be improve for TCP. Note it used the
1605 netconn::recv_avail which need to be more "thread-safe" (note there is already
1606 the problem for FIONREAD with lwip_ioctl/ioctlsocket).
1608 2007-11-01 Frédéric Bernon, Marc Chaland
1609 * sockets.h, sockets.c, api.h, api_lib.c, api_msg.h, api_msg.c, tcp.h, tcp_out.c:
1610 Integrate "patch #6250 : MSG_MORE flag for send". MSG_MORE is used at socket api
1611 layer, NETCONN_MORE at netconn api layer, and TCP_WRITE_FLAG_MORE at raw api
1612 layer. This option enable to delayed TCP PUSH flag on multiple "write" calls.
1613 Note that previous "copy" parameter for "write" APIs is now called "apiflags".
1615 2007-10-24 Frédéric Bernon
1616 * api.h, api_lib.c, api_msg.c: Add macro API_EVENT in the same spirit than
1617 TCP_EVENT_xxx macros to get a code more readable. It could also help to remove
1618 some code (like we have talk in "patch #5919 : Create compile switch to remove
1619 select code"), but it could be done later.
1621 2007-10-08 Simon Goldschmidt
1622 * many files: Changed initialization: many init functions are not needed any
1623 more since we now rely on the compiler initializing global and static
1626 2007-10-06 Simon Goldschmidt
1627 * ip_frag.c, memp.c, mib2.c, ip_frag.h, memp_std.h, opt.h: Changed IP_REASSEMBLY
1628 to enqueue the received pbufs so that multiple packets can be reassembled
1629 simultaneously and no static reassembly buffer is needed.
1631 2007-10-05 Simon Goldschmidt
1632 * tcpip.c, etharp.h, etharp.c: moved ethernet_input from tcpip.c to etharp.c so
1633 all netifs (or ports) can use it.
1635 2007-10-05 Frédéric Bernon
1636 * netifapi.h, netifapi.c: add function netifapi_netif_set_default. Change the
1637 common function to reduce a little bit the footprint (for all functions using
1638 only the "netif" parameter).
1640 2007-10-03 Frédéric Bernon
1641 * netifapi.h, netifapi.c: add functions netifapi_netif_set_up, netifapi_netif_set_down,
1642 netifapi_autoip_start and netifapi_autoip_stop. Use a common function to reduce
1643 a little bit the footprint (for all functions using only the "netif" parameter).
1645 2007-09-15 Frédéric Bernon
1646 * udp.h, udp.c, sockets.c: Changes for "#20503 IGMP Improvement". Add IP_MULTICAST_IF
1647 option in socket API, and a new field "multicast_ip" in "struct udp_pcb" (for
1648 netconn and raw API users), only if LWIP_IGMP=1. Add getsockopt processing for
1649 IP_MULTICAST_TTL and IP_MULTICAST_IF.
1651 2007-09-10 Frédéric Bernon
1652 * snmp.h, mib2.c: enable to remove SNMP timer (which consumne several cycles
1653 even when it's not necessary). snmp_agent.txt tell to call snmp_inc_sysuptime()
1654 each 10ms (but, it's intrusive if you use sys_timeout feature). Now, you can
1655 decide to call snmp_add_sysuptime(100) each 1000ms (which is bigger "step", but
1656 call to a lower frequency). Or, you can decide to not call snmp_inc_sysuptime()
1657 or snmp_add_sysuptime(), and to define the SNMP_GET_SYSUPTIME(sysuptime) macro.
1658 This one is undefined by default in mib2.c. SNMP_GET_SYSUPTIME is called inside
1659 snmp_get_sysuptime(u32_t *value), and enable to change "sysuptime" value only
1660 when it's queried (any direct call to "sysuptime" is changed by a call to
1661 snmp_get_sysuptime).
1663 2007-09-09 Frédéric Bernon, Bill Florac
1664 * igmp.h, igmp.c, netif.h, netif.c, ip.c: To enable to have interfaces with IGMP,
1665 and others without it, there is a new NETIF_FLAG_IGMP flag to set in netif->flags
1666 if you want IGMP on an interface. igmp_stop() is now called inside netif_remove().
1667 igmp_report_groups() is now called inside netif_set_link_up() (need to have
1668 LWIP_NETIF_LINK_CALLBACK=1) to resend reports once the link is up (avoid to wait
1669 the next query message to receive the matching multicast streams).
1671 2007-09-08 Frédéric Bernon
1672 * sockets.c, ip.h, api.h, tcp.h: declare a "struct ip_pcb" which only contains
1673 IP_PCB. Add in the netconn's "pcb" union a "struct ip_pcb *ip;" (no size change).
1674 Use this new field to access to common pcb fields (ttl, tos, so_options, etc...).
1675 Enable to access to these fields with LWIP_TCP=0.
1677 2007-09-05 Frédéric Bernon
1678 * udp.c, ipv4/icmp.c, ipv4/ip.c, ipv6/icmp.c, ipv6/ip6.c, ipv4/icmp.h,
1679 ipv6/icmp.h, opt.h: Integrate "task #7272 : LWIP_ICMP option". The new option
1680 LWIP_ICMP enable/disable ICMP module inside the IP stack (enable per default).
1681 Be careful, disabling ICMP make your product non-compliant to RFC1122, but
1682 help to reduce footprint, and to reduce "visibility" on the Internet.
1684 2007-09-05 Frédéric Bernon, Bill Florac
1685 * opt.h, sys.h, tcpip.c, slipif.c, ppp.c, sys_arch.txt: Change parameters list
1686 for sys_thread_new (see "task #7252 : Create sys_thread_new_ex()"). Two new
1687 parameters have to be provided: a task name, and a task stack size. For this
1688 one, since it's platform dependant, you could define the best one for you in
1689 your lwipopts.h. For port maintainers, you can just add these new parameters
1690 in your sys_arch.c file, and but it's not mandatory, use them in your OS
1693 2007-09-05 Frédéric Bernon
1694 * inet.c, autoip.c, msg_in.c, msg_out.c, init.c: Move some build time checkings
1695 inside init.c for task #7142 "Sanity check user-configurable values".
1697 2007-09-04 Frédéric Bernon, Bill Florac
1698 * igmp.h, igmp.c, memp_std.h, memp.c, init.c, opt.h: Replace mem_malloc call by
1699 memp_malloc, and use a new MEMP_NUM_IGMP_GROUP option (see opt.h to define the
1700 value). It will avoid potential fragmentation problems, use a counter to know
1701 how many times a group is used on an netif, and free it when all applications
1702 leave it. MEMP_NUM_IGMP_GROUP got 8 as default value (and init.c got a sanity
1703 check if LWIP_IGMP!=0).
1705 2007-09-03 Frédéric Bernon
1706 * igmp.h, igmp.c, sockets.c, api_msg.c: Changes for "#20503 IGMP Improvement".
1707 Initialize igmp_mac_filter to NULL in netif_add (this field should be set in
1708 the netif's "init" function). Use the "imr_interface" field (for socket layer)
1709 and/or the "interface" field (for netconn layer), for join/leave operations.
1710 The igmp_join/leavegroup first parameter change from a netif to an ipaddr.
1711 This field could be a netif's ipaddr, or "any" (same meaning than ip_addr_isany).
1713 2007-08-30 Frédéric Bernon
1714 * Add netbuf.h, netbuf.c, Change api.h, api_lib.c: #7249 "Split netbuf functions
1715 from api/api_lib". Now netbuf API is independant of netconn, and can be used
1716 with other API (application based on raw API, or future "socket2" API). Ports
1717 maintainers just have to add src/api/netbuf.c in their makefile/projects.
1719 2007-08-30 Frédéric Bernon, Jonathan Larmour
1720 * init.c: Add first version of lwip_sanity_check for task #7142 "Sanity check
1721 user-configurable values".
1723 2007-08-29 Frédéric Bernon
1724 * igmp.h, igmp.c, tcpip.c, init.c, netif.c: change igmp_init and add igmp_start.
1725 igmp_start is call inside netif_add. Now, igmp initialization is in the same
1726 spirit than the others modules. Modify some IGMP debug traces.
1728 2007-08-29 Frédéric Bernon
1729 * Add init.h, init.c, Change opt.h, tcpip.c: Task #7213 "Add a lwip_init function"
1730 Add lwip_init function to regroup all modules initializations, and to provide
1731 a place to add code for task #7142 "Sanity check user-configurable values".
1732 Ports maintainers should remove direct initializations calls from their code,
1733 and add init.c in their makefiles. Note that lwip_init() function is called
1734 inside tcpip_init, but can also be used by raw api users since all calls are
1735 disabled when matching options are disabled. Also note that their is new options
1736 in opt.h, you should configure in your lwipopts.h (they are enabled per default).
1738 2007-08-26 Marc Boucher
1739 * api_msg.c: do_close_internal(): Reset the callbacks and arg (conn) to NULL
1740 since they can under certain circumstances be called with an invalid conn
1741 pointer after the connection has been closed (and conn has been freed).
1743 2007-08-25 Frédéric Bernon (Artem Migaev's Patch)
1744 * netif.h, netif.c: Integrate "patch #6163 : Function to check if link layer is up".
1745 Add a netif_is_link_up() function if LWIP_NETIF_LINK_CALLBACK option is set.
1747 2007-08-22 Frédéric Bernon
1748 * netif.h, netif.c, opt.h: Rename LWIP_NETIF_CALLBACK in LWIP_NETIF_STATUS_CALLBACK
1749 to be coherent with new LWIP_NETIF_LINK_CALLBACK option before next release.
1751 2007-08-22 Frédéric Bernon
1752 * tcpip.h, tcpip.c, ethernetif.c, opt.h: remove options ETHARP_TCPIP_INPUT &
1753 ETHARP_TCPIP_ETHINPUT, now, only "ethinput" code is supported, even if the
1754 name is tcpip_input (we keep the name of 1.2.0 function).
1756 2007-08-17 Jared Grubb
1757 * memp_std.h, memp.h, memp.c, mem.c, stats.c: (Task #7136) Centralize mempool
1758 settings into new memp_std.h and optional user file lwippools.h. This adds
1759 more dynamic mempools, and allows the user to create an arbitrary number of
1760 mempools for mem_malloc.
1762 2007-08-16 Marc Boucher
1763 * api_msg.c: Initialize newconn->state to NETCONN_NONE in accept_function;
1764 otherwise it was left to NETCONN_CLOSE and sent_tcp() could prematurely
1765 close the connection.
1767 2007-08-16 Marc Boucher
1768 * sockets.c: lwip_accept(): check netconn_peer() error return.
1770 2007-08-16 Marc Boucher
1771 * mem.c, mem.h: Added mem_calloc().
1773 2007-08-16 Marc Boucher
1774 * tcpip.c, tcpip.h memp.c, memp.h: Added distinct memp (MEMP_TCPIP_MSG_INPKT)
1775 for input packets to prevent floods from consuming all of MEMP_TCPIP_MSG
1776 and starving other message types.
1777 Renamed MEMP_TCPIP_MSG to MEMP_TCPIP_MSG_API
1779 2007-08-16 Marc Boucher
1780 * pbuf.c, pbuf.h, etharp.c, tcp_in.c, sockets.c: Split pbuf flags in pbuf
1781 type and flgs (later renamed to flags).
1782 Use enum pbuf_flag as pbuf_type. Renumber PBUF_FLAG_*.
1783 Improved lwip_recvfrom(). TCP push now propagated.
1785 2007-08-16 Marc Boucher
1786 * ethernetif.c, contrib/ports/various: ethbroadcast now a shared global
1789 2007-08-16 Marc Boucher
1790 * ppp_oe.c ppp_oe.h, auth.c chap.c fsm.c lcp.c ppp.c ppp.h,
1791 etharp.c ethernetif.c, etharp.h, opt.h tcpip.h, tcpip.c:
1792 Added PPPoE support and various PPP improvements.
1794 2007-07-25 Simon Goldschmidt
1795 * api_lib.c, ip_frag.c, pbuf.c, api.h, pbuf.h: Introduced pbuf_copy_partial,
1796 making netbuf_copy_partial use this function.
1798 2007-07-25 Simon Goldschmidt
1799 * tcp_in.c: Fix bug #20506: Slow start / initial congestion window starts with
1800 2 * mss (instead of 1 * mss previously) to comply with some newer RFCs and
1803 2007-07-13 Jared Grubb (integrated by Frédéric Bernon)
1804 * opt.h, netif.h, netif.c, ethernetif.c: Add new configuration option to add
1805 a link callback in the netif struct, and functions to handle it. Be carefull
1806 for port maintainers to add the NETIF_FLAG_LINK_UP flag (like in ethernetif.c)
1807 if you want to be sure to be compatible with future changes...
1809 2007-06-30 Frédéric Bernon
1810 * sockets.h, sockets.c: Implement MSG_PEEK flag for recv/recvfrom functions.
1812 2007-06-21 Simon Goldschmidt
1813 * etharp.h, etharp.c: Combined etharp_request with etharp_raw for both
1814 LWIP_AUTOIP =0 and =1 to remove redundant code.
1816 2007-06-21 Simon Goldschmidt
1817 * mem.c, memp.c, mem.h, memp.h, opt.h: task #6863: Introduced the option
1818 MEM_USE_POOLS to use 4 pools with different sized elements instead of a
1819 heap. This both prevents memory fragmentation and gives a higher speed
1820 at the cost of more memory consumption. Turned off by default.
1822 2007-06-21 Simon Goldschmidt
1823 * api_lib.c, api_msg.c, api.h, api_msg.h: Converted the length argument of
1824 netconn_write (and therefore also api_msg_msg.msg.w.len) from u16_t into
1825 int to be able to send a bigger buffer than 64K with one time (mainly
1826 used from lwip_send).
1828 2007-06-21 Simon Goldschmidt
1829 * tcp.h, api_msg.c: Moved the nagle algorithm from netconn_write/do_write
1830 into a define (tcp_output_nagle) in tcp.h to provide it to raw api users, too.
1832 2007-06-21 Simon Goldschmidt
1833 * api.h, api_lib.c, api_msg.c: Fixed bug #20021: Moved sendbuf-processing in
1834 netconn_write from api_lib.c to api_msg.c to also prevent multiple context-
1835 changes on low memory or empty send-buffer.
1837 2007-06-18 Simon Goldschmidt
1838 * etharp.c, etharp.h: Changed etharp to use a defined hardware address length
1839 of 6 to avoid loading netif->hwaddr_len every time (since this file is only
1840 used for ethernet and struct eth_addr already had a defined length of 6).
1842 2007-06-17 Simon Goldschmidt
1843 * sockets.c, sockets.h: Implemented socket options SO_NO_CHECK for UDP sockets
1844 to disable UDP checksum generation on transmit.
1846 2007-06-13 Frédéric Bernon, Simon Goldschmidt
1847 * debug.h, api_msg.c: change LWIP_ERROR to use it to check errors like invalid
1848 pointers or parameters, and let the possibility to redefined it in cc.h. Use
1849 this macro to check "conn" parameter in api_msg.c functions.
1851 2007-06-11 Simon Goldschmidt
1852 * sockets.c, sockets.h: Added UDP lite support for sockets
1854 2007-06-10 Simon Goldschmidt
1855 * udp.h, opt.h, api_msg.c, ip.c, udp.c: Included switch LWIP_UDPLITE (enabled
1856 by default) to switch off UDP-Lite support if not needed (reduces udp.c code
1859 2007-06-09 Dominik Spies (integrated by Frédéric Bernon)
1860 * autoip.h, autoip.c, dhcp.h, dhcp.c, netif.h, netif.c, etharp.h, etharp.c, opt.h:
1861 AutoIP implementation available for IPv4, with new options LWIP_AUTOIP and
1862 LWIP_DHCP_AUTOIP_COOP if you want to cooperate with DHCP. Some tips to adapt
1863 (see TODO mark in the source code).
1865 2007-06-09 Simon Goldschmidt
1866 * etharp.h, etharp.c, ethernetif.c: Modified order of parameters for
1867 etharp_output() to match netif->output so etharp_output() can be used
1868 directly as netif->output to save one function call.
1870 2007-06-08 Simon Goldschmidt
1871 * netif.h, ethernetif.c, slipif.c, loopif.c: Added define
1872 NETIF_INIT_SNMP(netif, type, speed) to initialize per-netif snmp variables,
1873 added initialization of those to ethernetif, slipif and loopif.
1875 2007-05-18 Simon Goldschmidt
1876 * opt.h, ip_frag.c, ip_frag.h, ip.c: Added option IP_FRAG_USES_STATIC_BUF
1877 (defaulting to off for now) that can be set to 0 to send fragmented
1878 packets by passing PBUF_REFs down the stack.
1880 2007-05-23 Frédéric Bernon
1881 * api_lib.c: Implement SO_RCVTIMEO for accept and recv on TCP
1882 connections, such present in patch #5959.
1884 2007-05-23 Frédéric Bernon
1885 * api.h, api_lib.c, api_msg.c, sockets.c: group the different NETCONN_UDPxxx
1886 code in only one part...
1888 2007-05-18 Simon Goldschmidt
1889 * opt.h, memp.h, memp.c: Added option MEMP_OVERFLOW_CHECK to check for memp
1890 elements to overflow. This is achieved by adding some bytes before and after
1891 each pool element (increasing their size, of course), filling them with a
1892 prominent value and checking them on freeing the element.
1893 Set it to 2 to also check every element in every pool each time memp_malloc()
1894 or memp_free() is called (slower but more helpful).
1896 2007-05-10 Simon Goldschmidt
1897 * opt.h, memp.h, memp.c, pbuf.c (see task #6831): use a new memp pool for
1898 PBUF_POOL pbufs instead of the old pool implementation in pbuf.c to reduce
1901 2007-05-11 Frédéric Bernon
1902 * sockets.c, api_lib.c, api_msg.h, api_msg.c, netifapi.h, netifapi.c, tcpip.c:
1903 Include a function pointer instead of a table index in the message to reduce
1904 footprint. Disable some part of lwip_send and lwip_sendto if some options are
1905 not set (LWIP_TCP, LWIP_UDP, LWIP_RAW).
1907 2007-05-10 Simon Goldschmidt
1908 * *.h (except netif/ppp/*.h): Included patch #5448: include '#ifdef __cplusplus
1909 \ extern "C" {' in all header files. Now you can write your application using
1910 the lwIP stack in C++ and simply #include the core files. Note I have left
1911 out the netif/ppp/*h header files for now, since I don't know which files are
1912 included by applications and which are for internal use only.
1914 2007-05-09 Simon Goldschmidt
1915 * opt.h, *.c/*.h: Included patch #5920: Create define to override C-library
1916 memcpy. 2 Defines are created: MEMCPY() for normal memcpy, SMEMCPY() for
1917 situations where some compilers might inline the copy and save a function
1918 call. Also replaced all calls to memcpy() with calls to (S)MEMCPY().
1920 2007-05-08 Simon Goldschmidt
1921 * mem.h: If MEM_LIBC_MALLOC==1, allow the defines (e.g. mem_malloc() -> malloc())
1922 to be overriden in case the C-library malloc implementation is not protected
1923 against concurrent access.
1925 2007-05-04 Simon Goldschmidt (Atte Kojo)
1926 * etharp.c: Introduced fast one-entry-cache to speed up ARP lookup when sending
1927 multiple packets to the same host.
1929 2007-05-04 Frédéric Bernon, Jonathan Larmour
1930 * sockets.c, api.h, api_lib.c, api_msg.h, api_msg.c: Fix bug #19162 "lwip_sento: a possible
1931 to corrupt remote addr/port connection state". Reduce problems "not enought memory" with
1932 netbuf (if we receive lot of datagrams). Improve lwip_sendto (only one exchange between
1933 sockets api and api_msg which run in tcpip_thread context). Add netconn_sento function.
1934 Warning, if you directly access to "fromaddr" & "fromport" field from netbuf struct,
1935 these fields are now renamed "addr" & "port".
1937 2007-04-11 Jonathan Larmour
1938 * sys.h, api_lib.c: Provide new sys_mbox_tryfetch function. Require ports to provide new
1939 sys_arch_mbox_tryfetch function to get a message if one is there, otherwise return
1940 with SYS_MBOX_EMPTY. sys_arch_mbox_tryfetch can be implemented as a function-like macro
1941 by the port in sys_arch.h if desired.
1943 2007-04-06 Frédéric Bernon, Simon Goldschmidt
1944 * opt.h, tcpip.h, tcpip.c, netifapi.h, netifapi.c: New configuration option LWIP_NETIF_API
1945 allow to use thread-safe functions to add/remove netif in list, and to start/stop dhcp
1946 clients, using new functions from netifapi.h. Disable as default (no port change to do).
1948 2007-04-05 Frédéric Bernon
1949 * sockets.c: remplace ENOBUFS errors on alloc_socket by ENFILE to be more BSD compliant.
1951 2007-04-04 Simon Goldschmidt
1952 * arch.h, api_msg.c, dhcp.c, msg_in.c, sockets.c: Introduced #define LWIP_UNUSED_ARG(x)
1953 use this for and architecture-independent form to tell the compiler you intentionally
1954 are not using this variable. Can be overriden in cc.h.
1956 2007-03-28 Frédéric Bernon
1957 * opt.h, netif.h, dhcp.h, dhcp.c: New configuration option LWIP_NETIF_HOSTNAME allow to
1958 define a hostname in netif struct (this is just a pointer, so, you can use a hardcoded
1959 string, point on one of your's ethernetif field, or alloc a string you will free yourself).
1960 It will be used by DHCP to register a client hostname, but can also be use when you call
1963 2007-03-28 Frédéric Bernon
1964 * netif.h, netif.c: A new NETIF_FLAG_ETHARP flag is defined in netif.h, to allow to
1965 initialize a network interface's flag with. It tell this interface is an ethernet
1966 device, and we can use ARP with it to do a "gratuitous ARP" (RFC 3220 "IP Mobility
1967 Support for IPv4" section 4.6) when interface is "up" with netif_set_up().
1969 2007-03-26 Frédéric Bernon, Jonathan Larmour
1970 * opt.h, tcpip.c: New configuration option LWIP_ARP allow to disable ARP init at build
1971 time if you only use PPP or SLIP. The default is enable. Note we don't have to call
1972 etharp_init in your port's initilization sequence if you use tcpip.c, because this call
1973 is done in tcpip_init function.
1975 2007-03-22 Frédéric Bernon
1976 * stats.h, stats.c, msg_in.c: Stats counters can be change to u32_t if necessary with the
1977 new option LWIP_STATS_LARGE. If you need this option, define LWIP_STATS_LARGE to 1 in
1978 your lwipopts.h. More, unused counters are not defined in the stats structs, and not
1979 display by stats_display(). Note that some options (SYS_STATS and RAW_STATS) are defined
1980 but never used. Fix msg_in.c with the correct #if test for a stat display.
1982 2007-03-21 Kieran Mansley
1983 * netif.c, netif.h: Apply patch#4197 with some changes (originator: rireland@hmgsl.com).
1984 Provides callback on netif up/down state change.
1986 2007-03-11 Frédéric Bernon, Mace Gael, Steve Reynolds
1987 * sockets.h, sockets.c, api.h, api_lib.c, api_msg.h, api_msg.c, igmp.h, igmp.c,
1988 ip.c, netif.h, tcpip.c, opt.h:
1989 New configuration option LWIP_IGMP to enable IGMP processing. Based on only one
1990 filter per all network interfaces. Declare a new function in netif to enable to
1991 control the MAC filter (to reduce lwIP traffic processing).
1993 2007-03-11 Frédéric Bernon
1994 * tcp.h, tcp.c, sockets.c, tcp_out.c, tcp_in.c, opt.h: Keepalive values can
1995 be configured at run time with LWIP_TCP_KEEPALIVE, but don't change this
1996 unless you know what you're doing (default are RFC1122 compliant). Note
1997 that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set in seconds.
1999 2007-03-08 Frédéric Bernon
2000 * tcp.h: Keepalive values can be configured at compile time, but don't change
2001 this unless you know what you're doing (default are RFC1122 compliant).
2003 2007-03-08 Frédéric Bernon
2004 * sockets.c, api.h, api_lib.c, tcpip.c, sys.h, sys.c, err.c, opt.h:
2005 Implement LWIP_SO_RCVTIMEO configuration option to enable/disable SO_RCVTIMEO
2006 on UDP sockets/netconn.
2008 2007-03-08 Simon Goldschmidt
2009 * snmp_msg.h, msg_in.c: SNMP UDP ports can be configured at compile time.
2011 2007-03-06 Frédéric Bernon
2012 * api.h, api_lib.c, sockets.h, sockets.c, tcpip.c, sys.h, sys.c, err.h:
2013 Implement SO_RCVTIMEO on UDP sockets/netconn.
2015 2007-02-28 Kieran Mansley (based on patch from Simon Goldschmidt)
2016 * api_lib.c, tcpip.c, memp.c, memp.h: make API msg structs allocated
2017 on the stack and remove the API msg type from memp
2019 2007-02-26 Jonathan Larmour (based on patch from Simon Goldschmidt)
2020 * sockets.h, sockets.c: Move socket initialization to new
2021 lwip_socket_init() function.
2022 NOTE: this changes the API with ports. Ports will have to be
2023 updated to call lwip_socket_init() now.
2025 2007-02-26 Jonathan Larmour (based on patch from Simon Goldschmidt)
2026 * api_lib.c: Use memcpy in netbuf_copy_partial.
2031 2008-03-17 Frédéric Bernon, Ed Kerekes
2032 * igmp.h, igmp.c: Fix bug #22613 "IGMP iphdr problem" (could have
2033 some problems to fill the IP header on some targets, use now the
2034 ip.h macros to do it).
2036 2008-03-13 Frédéric Bernon
2037 * sockets.c: Fix bug #22435 "lwip_recvfrom with TCP break;". Using
2038 (lwip_)recvfrom with valid "from" and "fromlen" parameters, on a
2039 TCP connection caused a crash. Note that using (lwip_)recvfrom
2040 like this is a bit slow and that using (lwip)getpeername is the
2041 good lwip way to do it (so, using recv is faster on tcp sockets).
2043 2008-03-12 Frédéric Bernon, Jonathan Larmour
2044 * api_msg.c, contrib/apps/ping.c: Fix bug #22530 "api_msg.c's
2045 recv_raw() does not consume data", and the ping sample (with
2046 LWIP_SOCKET=1, the code did the wrong supposition that lwip_recvfrom
2047 returned the IP payload, without the IP header).
2049 2008-03-04 Jonathan Larmour
2050 * mem.c, stats.c, mem.h: apply patch #6414 to avoid compiler errors
2051 and/or warnings on some systems where mem_size_t and size_t differ.
2052 * pbuf.c, ppp.c: Fix warnings on some systems with mem_malloc.
2054 2008-03-04 Kieran Mansley (contributions by others)
2055 * Numerous small compiler error/warning fixes from contributions to
2056 mailing list after 1.3.0 release candidate made.
2058 2008-01-25 Cui hengbin (integrated by Frédéric Bernon)
2059 * dns.c: Fix bug #22108 "DNS problem" caused by unaligned structures.
2061 2008-01-15 Kieran Mansley
2062 * tcp_out.c: BUG20511. Modify persist timer to start when we are
2063 prevented from sending by a small send window, not just a zero
2066 2008-01-09 Jonathan Larmour
2067 * opt.h, ip.c: Rename IP_OPTIONS define to IP_OPTIONS_ALLOWED to avoid
2068 conflict with Linux system headers.
2070 2008-01-06 Jonathan Larmour
2071 * dhcp.c: fix bug #19927: "DHCP NACK problem" by clearing any existing set IP
2072 address entirely on receiving a DHCPNAK, and restarting discovery.
2074 2007-12-21 Simon Goldschmidt
2075 * sys.h, api_lib.c, api_msg.c, sockets.c: fix bug #21698: "netconn->recv_avail
2076 is not protected" by using new macros for interlocked access to modify/test
2077 netconn->recv_avail.
2079 2007-12-20 Kieran Mansley (based on patch from Oleg Tyshev)
2080 * tcp_in.c: fix bug# 21535 (nrtx not reset correctly in SYN_SENT state)
2082 2007-12-20 Kieran Mansley (based on patch from Per-Henrik Lundbolm)
2083 * tcp.c, tcp_in.c, tcp_out.c, tcp.h: fix bug #20199 (better handling
2084 of silly window avoidance and prevent lwIP from shrinking the window)
2086 2007-12-04 Simon Goldschmidt
2087 * tcp.c, tcp_in.c: fix bug #21699 (segment leak in ooseq processing when last
2088 data packet was lost): add assert that all segment lists are empty in
2089 tcp_pcb_remove before setting pcb to CLOSED state; don't directly set CLOSED
2090 state from LAST_ACK in tcp_process
2092 2007-12-02 Simon Goldschmidt
2093 * sockets.h: fix bug #21654: exclude definition of struct timeval from #ifndef FD_SET
2094 If including <sys/time.h> for system-struct timeval, LWIP_TIMEVAL_PRIVATE now
2095 has to be set to 0 in lwipopts.h
2097 2007-12-02 Simon Goldschmidt
2098 * api_msg.c, api_lib.c: fix bug #21656 (recvmbox problem in netconn API): always
2099 allocate a recvmbox in netconn_new_with_proto_and_callback. For a tcp-listen
2100 netconn, this recvmbox is later freed and a new mbox is allocated for acceptmbox.
2101 This is a fix for thread-safety and allocates all items needed for a netconn
2102 when the netconn is created.
2104 2007-11-30 Simon Goldschmidt
2105 * udp.c: first attempt to fix bug #21655 (DHCP doesn't work reliably with multiple
2106 netifs): if LWIP_DHCP is enabled, UDP packets to DHCP_CLIENT_PORT are passed
2107 to netif->dhcp->pcb only (if that exists) and not to any other pcb for the same
2108 port (only solution to let UDP pcbs 'bind' to a netif instead of an IP address)
2110 2007-11-27 Simon Goldschmidt
2111 * ip.c: fixed bug #21643 (udp_send/raw_send don't fail if netif is down) by
2112 letting ip_route only use netifs that are up.
2114 2007-11-27 Simon Goldschmidt
2115 * err.h, api_lib.c, api_msg.c, sockets.c: Changed error handling: ERR_MEM, ERR_BUF
2116 and ERR_RTE are seen as non-fatal, all other errors are fatal. netconns and
2117 sockets block most operations once they have seen a fatal error.
2119 2007-11-27 Simon Goldschmidt
2120 * udp.h, udp.c, dhcp.c: Implemented new function udp_sendto_if which takes the
2121 netif to send as an argument (to be able to send on netifs that are down).
2123 2007-11-26 Simon Goldschmidt
2124 * tcp_in.c: Fixed bug #21582: pcb->acked accounting can be wrong when ACKs
2127 2007-11-21 Simon Goldschmidt
2128 * tcp.h, tcp_out.c, api_msg.c: Fixed bug #20287: tcp_output_nagle sends too early
2129 Fixed the nagle algorithm; nagle now also works for all raw API applications
2130 and has to be explicitly disabled with 'tcp_pcb->flags |= TF_NODELAY'
2132 2007-11-12 Frédéric Bernon
2133 * sockets.c, api.h, api_lib.c, api_msg.h, api_msg.c: Fixed bug #20900. Now, most
2134 of the netconn_peer and netconn_addr processing is done inside tcpip_thread
2135 context in do_getaddr.
2137 2007-11-10 Simon Goldschmidt
2138 * etharp.c: Fixed bug: assert fired when MEMP_ARP_QUEUE was empty (which can
2139 happen any time). Now the packet simply isn't enqueued when out of memory.
2141 2007-11-01 Simon Goldschmidt
2142 * tcp.c, tcp_in.c: Fixed bug #21494: The send mss (pcb->mss) is set to 536 (or
2143 TCP_MSS if that is smaller) as long as no MSS option is received from the
2146 2007-11-01 Simon Goldschmidt
2147 * tcp.h, tcp.c, tcp_in.c: Fixed bug #21491: The MSS option sent (with SYN)
2148 is now based on TCP_MSS instead of pcb->mss (on passive open now effectively
2149 sending our configured TCP_MSS instead of the one received).
2151 2007-11-01 Simon Goldschmidt
2152 * tcp_in.c: Fixed bug #21181: On active open, the initial congestion window was
2153 calculated based on the configured TCP_MSS, not on the MSS option received
2156 2007-10-09 Simon Goldschmidt
2157 * udp.c, inet.c, inet.h: Fixed UDPLite: send: Checksum was always generated too
2158 short and also was generated wrong if checksum coverage != tot_len;
2159 receive: checksum was calculated wrong if checksum coverage != tot_len
2161 2007-10-08 Simon Goldschmidt
2162 * mem.c: lfree was not updated in mem_realloc!
2164 2007-10-07 Frédéric Bernon
2165 * sockets.c, api.h, api_lib.c: First step to fix "bug #20900 : Potential
2166 crash error problem with netconn_peer & netconn_addr". VERY IMPORTANT:
2167 this change cause an API breakage for netconn_addr, since a parameter
2168 type change. Any compiler should cause an error without any changes in
2169 yours netconn_peer calls (so, it can't be a "silent change"). It also
2170 reduce a little bit the footprint for socket layer (lwip_getpeername &
2171 lwip_getsockname use now a common lwip_getaddrname function since
2172 netconn_peer & netconn_addr have the same parameters).
2174 2007-09-20 Simon Goldschmidt
2175 * tcp.c: Fixed bug #21080 (tcp_bind without check pcbs in TIME_WAIT state)
2176 by checking tcp_tw_pcbs also
2178 2007-09-19 Simon Goldschmidt
2179 * icmp.c: Fixed bug #21107 (didn't reset IP TTL in ICMP echo replies)
2181 2007-09-15 Mike Kleshov
2182 * mem.c: Fixed bug #21077 (inaccuracy in calculation of lwip_stat.mem.used)
2184 2007-09-06 Frédéric Bernon
2185 * several-files: replace some #include "arch/cc.h" by "lwip/arch.h", or simply remove
2186 it as long as "lwip/opt.h" is included before (this one include "lwip/debug.h" which
2187 already include "lwip/arch.h"). Like that, default defines are provided by "lwip/arch.h"
2188 if they are not defined in cc.h, in the same spirit than "lwip/opt.h" for lwipopts.h.
2190 2007-08-30 Frédéric Bernon
2191 * igmp.h, igmp.c: Some changes to remove some redundant code, add some traces,
2192 and fix some coding style.
2194 2007-08-28 Frédéric Bernon
2195 * tcpip.c: Fix TCPIP_MSG_INPKT processing: now, tcpip_input can be used for any
2196 kind of packets. These packets are considered like Ethernet packets (payload
2197 pointing to ethhdr) if the netif got the NETIF_FLAG_ETHARP flag. Else, packets
2198 are considered like IP packets (payload pointing to iphdr).
2200 2007-08-27 Frédéric Bernon
2201 * api.h, api_lib.c, api_msg.c: First fix for "bug #20900 : Potential crash error
2202 problem with netconn_peer & netconn_addr". Introduce NETCONN_LISTEN netconn_state
2203 and remove obsolete ones (NETCONN_RECV & NETCONN_ACCEPT).
2205 2007-08-24 Kieran Mansley
2206 * inet.c Modify (acc >> 16) test to ((acc >> 16) != 0) to help buggy
2207 compiler (Paradigm C++)
2209 2007-08-09 Frédéric Bernon, Bill Florac
2210 * stats.h, stats.c, igmp.h, igmp.c, opt.h: Fix for bug #20503 : IGMP Improvement.
2211 Introduce IGMP_STATS to centralize statistics management.
2213 2007-08-09 Frédéric Bernon, Bill Florac
2214 * udp.c: Fix for bug #20503 : IGMP Improvement. Enable to receive a multicast
2215 packet on a udp pcb binded on an netif's IP address, and not on "any".
2217 2007-08-09 Frédéric Bernon, Bill Florac
2218 * igmp.h, igmp.c, ip.c: Fix minor changes from bug #20503 : IGMP Improvement.
2219 This is mainly on using lookup/lookfor, and some coding styles...
2221 2007-07-26 Frédéric Bernon (and "thedoctor")
2222 * igmp.c: Fix bug #20595 to accept IGMPv3 "Query" messages.
2224 2007-07-25 Simon Goldschmidt
2225 * api_msg.c, tcp.c: Another fix for bug #20021: by not returning an error if
2226 tcp_output fails in tcp_close, the code in do_close_internal gets simpler
2227 (tcp_output is called again later from tcp timers).
2229 2007-07-25 Simon Goldschmidt
2230 * ip_frag.c: Fixed bug #20429: use the new pbuf_copy_partial instead of the old
2231 copy_from_pbuf, which illegally modified the given pbuf.
2233 2007-07-25 Simon Goldschmidt
2234 * tcp_out.c: tcp_enqueue: pcb->snd_queuelen didn't work for chaine PBUF_RAMs:
2235 changed snd_queuelen++ to snd_queuelen += pbuf_clen(p).
2237 2007-07-24 Simon Goldschmidt
2238 * api_msg.c, tcp.c: Fix bug #20480: Check the pcb passed to tcp_listen() for the
2239 correct state (must be CLOSED).
2241 2007-07-13 Thomas Taranowski (commited by Jared Grubb)
2242 * memp.c: Fix bug #20478: memp_malloc returned NULL+MEMP_SIZE on failed
2243 allocation. It now returns NULL.
2245 2007-07-13 Frédéric Bernon
2246 * api_msg.c: Fix bug #20318: api_msg "recv" callbacks don't call pbuf_free in
2249 2007-07-13 Frédéric Bernon
2250 * api_msg.c: Fix bug #20315: possible memory leak problem if tcp_listen failed,
2251 because current code doesn't follow rawapi.txt documentation.
2253 2007-07-13 Kieran Mansley
2254 * src/core/tcp_in.c Apply patch#5741 from Oleg Tyshev to fix bug in
2255 out of sequence processing of received packets
2257 2007-07-03 Simon Goldschmidt
2258 * nearly-all-files: Added assertions where PBUF_RAM pbufs are used and an
2259 assumption is made that this pbuf is in one piece (i.e. not chained). These
2260 assumptions clash with the possibility of converting to fully pool-based
2261 pbuf implementations, where PBUF_RAM pbufs might be chained.
2263 2007-07-03 Simon Goldschmidt
2264 * api.h, api_lib.c, api_msg.c: Final fix for bug #20021 and some other problems
2265 when closing tcp netconns: removed conn->sem, less context switches when
2266 closing, both netconn_close and netconn_delete should safely close tcp
2269 2007-07-02 Simon Goldschmidt
2270 * ipv4/ip.h, ipv6/ip.h, opt.h, netif.h, etharp.h, ipv4/ip.c, netif.c, raw.c,
2271 tcp_out.c, udp.c, etharp.c: Added option LWIP_NETIF_HWADDRHINT (default=off)
2272 to cache ARP table indices with each pcb instead of single-entry cache for
2275 2007-07-02 Simon Goldschmidt
2276 * tcp.h, tcp.c, tcp_in.c, tcp_out.c: Added some ASSERTS and casts to prevent
2277 warnings when assigning to smaller types.
2279 2007-06-28 Simon Goldschmidt
2280 * tcp_out.c: Added check to prevent tcp_pcb->snd_queuelen from overflowing.
2282 2007-06-28 Simon Goldschmidt
2283 * tcp.h: Fixed bug #20287: Fixed nagle algorithm (sending was done too early if
2284 a segment contained chained pbufs)
2286 2007-06-28 Frédéric Bernon
2287 * autoip.c: replace most of rand() calls by a macro LWIP_AUTOIP_RAND which compute
2288 a "pseudo-random" value based on netif's MAC and some autoip fields. It's always
2289 possible to define this macro in your own lwipopts.h to always use C library's
2290 rand(). Note that autoip_create_rand_addr doesn't use this macro.
2292 2007-06-28 Frédéric Bernon
2293 * netifapi.h, netifapi.c, tcpip.h, tcpip.c: Update code to handle the option
2294 LWIP_TCPIP_CORE_LOCKING, and do some changes to be coherent with last modifications
2295 in api_lib/api_msg (use pointers and not type with table, etc...)
2297 2007-06-26 Simon Goldschmidt
2298 * udp.h: Fixed bug #20259: struct udp_hdr was lacking the packin defines.
2300 2007-06-25 Simon Goldschmidt
2301 * udp.c: Fixed bug #20253: icmp_dest_unreach was called with a wrong p->payload
2302 for udp packets with no matching pcb.
2304 2007-06-25 Simon Goldschmidt
2305 * udp.c: Fixed bug #20220: UDP PCB search in udp_input(): a non-local match
2306 could get udp input packets if the remote side matched.
2308 2007-06-13 Simon Goldschmidt
2309 * netif.c: Fixed bug #20180 (TCP pcbs listening on IP_ADDR_ANY could get
2310 changed in netif_set_ipaddr if previous netif->ip_addr.addr was 0.
2312 2007-06-13 Simon Goldschmidt
2313 * api_msg.c: pcb_new sets conn->err if protocol is not implemented
2314 -> netconn_new_..() does not allocate a new connection for unsupported
2317 2007-06-13 Frédéric Bernon, Simon Goldschmidt
2318 * api_lib.c: change return expression in netconn_addr and netconn_peer, because
2319 conn->err was reset to ERR_OK without any reasons (and error was lost)...
2321 2007-06-13 Frédéric Bernon, Matthias Weisser
2322 * opt.h, mem.h, mem.c, memp.c, pbuf.c, ip_frag.c, vj.c: Fix bug #20162. Rename
2323 MEM_ALIGN in LWIP_MEM_ALIGN and MEM_ALIGN_SIZE in LWIP_MEM_ALIGN_SIZE to avoid
2324 some macro names collision with some OS macros.
2326 2007-06-11 Simon Goldschmidt
2327 * udp.c: UDP Lite: corrected the use of chksum_len (based on RFC3828: if it's 0,
2328 create checksum over the complete packet. On RX, if it's < 8 (and not 0),
2329 discard the packet. Also removed the duplicate 'udphdr->chksum = 0' for both
2332 2007-06-11 Srinivas Gollakota & Oleg Tyshev
2333 * tcp_out.c: Fix for bug #20075 : "A problem with keep-alive timer and TCP flags"
2334 where TCP flags wasn't initialized in tcp_keepalive.
2336 2007-06-03 Simon Goldschmidt
2337 * udp.c: udp_input(): Input pbuf was not freed if pcb had no recv function
2338 registered, p->payload was modified without modifying p->len if sending
2339 icmp_dest_unreach() (had no negative effect but was definitively wrong).
2341 2007-06-03 Simon Goldschmidt
2342 * icmp.c: Corrected bug #19937: For responding to an icmp echo request, icmp
2343 re-used the input pbuf even if that didn't have enough space to include the
2344 link headers. Now the space is tested and a new pbuf is allocated for the
2345 echo response packet if the echo request pbuf isn't big enough.
2347 2007-06-01 Simon Goldschmidt
2348 * sockets.c: Checked in patch #5914: Moved sockopt processing into tcpip_thread.
2350 2007-05-23 Frédéric Bernon
2351 * api_lib.c, sockets.c: Fixed bug #5958 for netconn_listen (acceptmbox only
2352 allocated by do_listen if success) and netconn_accept errors handling. In
2353 most of api_lib functions, we replace some errors checkings like "if (conn==NULL)"
2354 by ASSERT, except for netconn_delete.
2356 2007-05-23 Frédéric Bernon
2357 * api_lib.c: Fixed bug #5957 "Safe-thread problem inside netconn_recv" to return
2358 an error code if it's impossible to fetch a pbuf on a TCP connection (and not
2359 directly close the recvmbox).
2361 2007-05-22 Simon Goldschmidt
2362 * tcp.c: Fixed bug #1895 (tcp_bind not correct) by introducing a list of
2363 bound but unconnected (and non-listening) tcp_pcbs.
2365 2007-05-22 Frédéric Bernon
2366 * sys.h, sys.c, api_lib.c, tcpip.c: remove sys_mbox_fetch_timeout() (was only
2367 used for LWIP_SO_RCVTIMEO option) and use sys_arch_mbox_fetch() instead of
2368 sys_mbox_fetch() in api files. Now, users SHOULD NOT use internal lwIP features
2369 like "sys_timeout" in their application threads.
2371 2007-05-22 Frédéric Bernon
2372 * api.h, api_lib.c, api_msg.h, api_msg.c: change the struct api_msg_msg to see
2373 which parameters are used by which do_xxx function, and to avoid "misusing"
2374 parameters (patch #5938).
2376 2007-05-22 Simon Goldschmidt
2377 * api_lib.c, api_msg.c, raw.c, api.h, api_msg.h, raw.h: Included patch #5938:
2378 changed raw_pcb.protocol from u16_t to u8_t since for IPv4 and IPv6, proto
2379 is only 8 bits wide. This affects the api, as there, the protocol was
2382 2007-05-18 Simon Goldschmidt
2383 * memp.c: addition to patch #5913: smaller pointer was returned but
2384 memp_memory was the same size -> did not save memory.
2386 2007-05-16 Simon Goldschmidt
2387 * loopif.c, slipif.c: Fix bug #19729: free pbuf if netif->input() returns
2390 2007-05-16 Simon Goldschmidt
2391 * api_msg.c, udp.c: If a udp_pcb has a local_ip set, check if it is the same
2392 as the one of the netif used for sending to prevent sending from old
2393 addresses after a netif address gets changed (partly fixes bug #3168).
2395 2007-05-16 Frédéric Bernon
2396 * tcpip.c, igmp.h, igmp.c: Fixed bug "#19800 : IGMP: igmp_tick() will not work
2397 with NO_SYS=1". Note that igmp_init is always in tcpip_thread (and not in
2398 tcpip_init) because we have to be sure that network interfaces are already
2399 added (mac filter is updated only in igmp_init for the moment).
2401 2007-05-16 Simon Goldschmidt
2402 * mem.c, memp.c: Removed semaphores from memp, changed sys_sem_wait calls
2403 into sys_arch_sem_wait calls to prevent timers from running while waiting
2404 for the heap. This fixes bug #19167.
2406 2007-05-13 Simon Goldschmidt
2407 * tcp.h, sockets.h, sockets.c: Fixed bug from patch #5865 by moving the defines
2408 for socket options (lwip_set/-getsockopt) used with level IPPROTO_TCP from
2411 2007-05-07 Simon Goldschmidt
2412 * mem.c: Another attempt to fix bug #17922.
2414 2007-05-04 Simon Goldschmidt
2415 * pbuf.c, pbuf.h, etharp.c: Further update to ARP queueing: Changed pbuf_copy()
2416 implementation so that it can be reused (don't allocate the target
2417 pbuf inside pbuf_copy()).
2419 2007-05-04 Simon Goldschmidt
2420 * memp.c: checked in patch #5913: in memp_malloc() we can return memp as mem
2421 to save a little RAM (next pointer of memp is not used while not in pool).
2424 * sockets.c: Fix ioctl FIONREAD when some data remains from last recv.
2427 2007-04-23 Simon Goldschmidt
2428 * loopif.c, loopif.h, opt.h, src/netif/FILES: fix bug #2595: "loopif results
2429 in NULL reference for incoming TCP packets". Loopif has to be configured
2430 (using LWIP_LOOPIF_MULTITHREADING) to directly call netif->input()
2431 (multithreading environments, e.g. netif->input() = tcpip_input()) or
2432 putting packets on a list that is fed to the stack by calling loopif_poll()
2433 (single-thread / NO_SYS / polling environment where e.g.
2434 netif->input() = ip_input).
2436 2007-04-17 Jonathan Larmour
2437 * pbuf.c: Use s32_t in pbuf_realloc(), as an s16_t can't reliably hold
2438 the difference between two u16_t's.
2439 * sockets.h: FD_SETSIZE needs to match number of sockets, which is
2440 MEMP_NUM_NETCONN in sockets.c right now.
2442 2007-04-12 Jonathan Larmour
2443 * icmp.c: Reset IP header TTL in ICMP ECHO responses (bug #19580).
2445 2007-04-12 Kieran Mansley
2446 * tcp.c, tcp_in.c, tcp_out.c, tcp.h: Modify way the retransmission
2447 timer is reset to fix bug#19434, with help from Oleg Tyshev.
2449 2007-04-11 Simon Goldschmidt
2450 * etharp.c, pbuf.c, pbuf.h: 3rd fix for bug #11400 (arp-queuing): More pbufs than
2451 previously thought need to be copied (everything but PBUF_ROM!). Cleaned up
2452 pbuf.c: removed functions no needed any more (by etharp).
2454 2007-04-11 Kieran Mansley
2455 * inet.c, ip_addr.h, sockets.h, sys.h, tcp.h: Apply patch #5745: Fix
2456 "Constant is long" warnings with 16bit compilers. Contributed by
2457 avatar@mmlab.cse.yzu.edu.tw
2459 2007-04-05 Frédéric Bernon, Jonathan Larmour
2460 * api_msg.c: Fix bug #16830: "err_tcp() posts to connection mailbox when no pend on
2461 the mailbox is active". Now, the post is only done during a connect, and do_send,
2462 do_write and do_join_leave_group don't do anything if a previous error was signaled.
2464 2007-04-03 Frédéric Bernon
2465 * ip.c: Don't set the IP_DF ("Don't fragment") flag in the IP header in IP output
2466 packets. See patch #5834.
2468 2007-03-30 Frédéric Bernon
2469 * api_msg.c: add a "pcb_new" helper function to avoid redundant code, and to add
2470 missing pcb allocations checking (in do_bind, and for each raw_new). Fix style.
2472 2007-03-30 Frédéric Bernon
2473 * most of files: prefix all debug.h define with "LWIP_" to avoid any conflict with
2474 others environment defines (these were too "generic").
2476 2007-03-28 Frédéric Bernon
2477 * api.h, api_lib.c, sockets.c: netbuf_ref doesn't check its internal pbuf_alloc call
2478 result and can cause a crash. lwip_send now check netbuf_ref result.
2480 2007-03-28 Simon Goldschmidt
2481 * sockets.c Remove "#include <errno.h>" from sockets.c to avoid multiple
2482 definition of macros (in errno.h and lwip/arch.h) if LWIP_PROVIDE_ERRNO is
2483 defined. This is the way it should have been already (looking at
2486 2007-03-28 Kieran Mansley
2487 * opt.h Change default PBUF_POOL_BUFSIZE (again) to accomodate default MSS +
2488 IP and TCP headers *and* physical link headers
2490 2007-03-26 Frédéric Bernon (based on patch from Dmitry Potapov)
2491 * api_lib.c: patch for netconn_write(), fixes a possible race condition which cause
2492 to send some garbage. It is not a definitive solution, but the patch does solve
2493 the problem for most cases.
2495 2007-03-22 Frédéric Bernon
2496 * api_msg.h, api_msg.c: Remove obsolete API_MSG_ACCEPT and do_accept (never used).
2498 2007-03-22 Frédéric Bernon
2499 * api_lib.c: somes resources couldn't be freed if there was errors during
2500 netconn_new_with_proto_and_callback.
2502 2007-03-22 Frédéric Bernon
2503 * ethernetif.c: update netif->input calls to check return value. In older ports,
2504 it's a good idea to upgrade them, even if before, there could be another problem
2505 (access to an uninitialized mailbox).
2507 2007-03-21 Simon Goldschmidt
2508 * sockets.c: fixed bug #5067 (essentialy a signed/unsigned warning fixed
2509 by casting to unsigned).
2511 2007-03-21 Frédéric Bernon
2512 * api_lib.c, api_msg.c, tcpip.c: integrate sys_mbox_fetch(conn->mbox, NULL) calls from
2513 api_lib.c to tcpip.c's tcpip_apimsg(). Now, use a local variable and not a
2514 dynamic one from memp to send tcpip_msg to tcpip_thread in a synchrone call.
2515 Free tcpip_msg from tcpip_apimsg is not done in tcpip_thread. This give a
2516 faster and more reliable communication between api_lib and tcpip.
2518 2007-03-21 Frédéric Bernon
2519 * opt.h: Add LWIP_NETIF_CALLBACK (to avoid compiler warning) and set it to 0.
2521 2007-03-21 Frédéric Bernon
2522 * api_msg.c, igmp.c, igmp.h: Fix C++ style comments
2524 2007-03-21 Kieran Mansley
2525 * opt.h Change default PBUF_POOL_BUFSIZE to accomodate default MSS +
2528 2007-03-21 Kieran Mansley
2529 * Fix all uses of pbuf_header to check the return value. In some
2530 cases just assert if it fails as I'm not sure how to fix them, but
2531 this is no worse than before when they would carry on regardless
2534 2007-03-21 Kieran Mansley
2535 * sockets.c, igmp.c, igmp.h, memp.h: Fix C++ style comments and
2536 comment out missing header include in icmp.c
2538 2007-03-20 Frédéric Bernon
2539 * memp.h, stats.c: Fix stats_display function where memp_names table wasn't
2540 synchronized with memp.h.
2542 2007-03-20 Frédéric Bernon
2543 * tcpip.c: Initialize tcpip's mbox, and verify if initialized in tcpip_input,
2544 tcpip_ethinput, tcpip_callback, tcpip_apimsg, to fix a init problem with
2545 network interfaces. Also fix a compiler warning.
2547 2007-03-20 Kieran Mansley
2548 * udp.c: Only try and use pbuf_header() to make space for headers if
2549 not a ROM or REF pbuf.
2551 2007-03-19 Frédéric Bernon
2552 * api_msg.h, api_msg.c, tcpip.h, tcpip.c: Add return types to tcpip_apimsg()
2555 2007-03-19 Frédéric Bernon
2556 * Remove unimplemented "memp_realloc" function from memp.h.
2558 2007-03-11 Simon Goldschmidt
2559 * pbuf.c: checked in patch #5796: pbuf_alloc: len field claculation caused
2562 2007-03-11 Simon Goldschmidt (based on patch from Dmitry Potapov)
2563 * api_lib.c, sockets.c, api.h, api_msg.h, sockets.h: Fixed bug #19251
2564 (missing `const' qualifier in socket functions), to get more compatible to
2565 standard POSIX sockets.
2567 2007-03-11 Frédéric Bernon (based on patch from Dmitry Potapov)
2568 * sockets.c: Add asserts inside bind, connect and sendto to check input
2569 parameters. Remove excessive set_errno() calls after get_socket(), because
2570 errno is set inside of get_socket(). Move last sock_set_errno() inside
2573 2007-03-09 Simon Goldschmidt
2574 * memp.c: Fixed bug #11400: New etharp queueing introduced bug: memp_memory
2575 was allocated too small.
2577 2007-03-06 Simon Goldschmidt
2578 * tcpip.c: Initialize dhcp timers in tcpip_thread (if LWIP_DHCP) to protect
2579 the stack from concurrent access.
2581 2007-03-06 Frédéric Bernon, Dmitry Potapov
2582 * tcpip.c, ip_frag.c, ethernetif.c: Fix some build problems, and a redundancy
2583 call to "lwip_stats.link.recv++;" in low_level_input() & ethernetif_input().
2585 2007-03-06 Simon Goldschmidt
2586 * ip_frag.c, ip_frag.h: Reduce code size: don't include code in those files
2587 if IP_FRAG == 0 and IP_REASSEMBLY == 0
2589 2007-03-06 Frédéric Bernon, Simon Goldschmidt
2590 * opt.h, ip_frag.h, tcpip.h, tcpip.c, ethernetif.c: add new configuration
2591 option named ETHARP_TCPIP_ETHINPUT, which enable the new tcpip_ethinput.
2592 Allow to do ARP processing for incoming packets inside tcpip_thread
2593 (protecting ARP layer against concurrent access). You can also disable
2594 old code using tcp_input with new define ETHARP_TCPIP_INPUT set to 0.
2595 Older ports have to use tcpip_ethinput.
2597 2007-03-06 Simon Goldschmidt (based on patch from Dmitry Potapov)
2598 * err.h, err.c: fixed compiler warning "initialization dircards qualifiers
2599 from pointer target type"
2601 2007-03-05 Frédéric Bernon
2602 * opt.h, sockets.h: add new configuration options (LWIP_POSIX_SOCKETS_IO_NAMES,
2603 ETHARP_TRUST_IP_MAC, review SO_REUSE)
2605 2007-03-04 Frédéric Bernon
2606 * api_msg.c: Remove some compiler warnings : parameter "pcb" was never
2609 2007-03-04 Frédéric Bernon
2610 * api_lib.c: Fix "[patch #5764] api_lib.c cleanup: after patch #5687" (from
2612 The api_msg struct stay on the stack (not moved to netconn struct).
2614 2007-03-04 Simon Goldschmidt (based on patch from Dmitry Potapov)
2615 * pbuf.c: Fix BUG#19168 - pbuf_free can cause deadlock (if
2616 SYS_LIGHTWEIGHT_PROT=1 & freeing PBUF_RAM when mem_sem is not available)
2617 Also fixed cast warning in pbuf_alloc()
2619 2007-03-04 Simon Goldschmidt
2620 * etharp.c, etharp.h, memp.c, memp.h, opt.h: Fix BUG#11400 - don't corrupt
2621 existing pbuf chain when enqueuing multiple pbufs to a pending ARP request
2623 2007-03-03 Frédéric Bernon
2624 * udp.c: remove obsolete line "static struct udp_pcb *pcb_cache = NULL;"
2625 It is static, and never used in udp.c except udp_init().
2627 2007-03-02 Simon Goldschmidt
2628 * tcpip.c: Moved call to ip_init(), udp_init() and tcp_init() from
2629 tcpip_thread() to tcpip_init(). This way, raw API connections can be
2630 initialized before tcpip_thread is running (e.g. before OS is started)
2632 2007-03-02 Frédéric Bernon
2633 * rawapi.txt: Fix documentation mismatch with etharp.h about etharp_tmr's call
2636 2007-02-28 Kieran Mansley
2637 * pbuf.c: Fix BUG#17645 - ensure pbuf payload pointer is not moved
2638 outside the region of the pbuf by pbuf_header()
2640 2007-02-28 Kieran Mansley
2641 * sockets.c: Fix BUG#19161 - ensure milliseconds timeout is non-zero
2642 when supplied timeout is also non-zero
2646 2006-12-05 Leon Woestenberg
2647 * CHANGELOG: Mention STABLE-1.2.0 release.
2651 2006-12-01 Christiaan Simons
2652 * mem.h, opt.h: Added MEM_LIBC_MALLOC option.
2653 Note this is a workaround. Currently I have no other options left.
2655 2006-10-26 Christiaan Simons (accepted patch by Jonathan Larmour)
2656 * ipv4/ip_frag.c: rename MAX_MTU to IP_FRAG_MAX_MTU and move define
2657 to include/lwip/opt.h.
2658 * ipv4/lwip/ip_frag.h: Remove unused IP_REASS_INTERVAL.
2659 Move IP_REASS_MAXAGE and IP_REASS_BUFSIZE to include/lwip/opt.h.
2660 * opt.h: Add above new options.
2662 2006-08-18 Christiaan Simons
2663 * tcp_{in,out}.c: added SNMP counters.
2664 * ipv4/ip.c: added SNMP counters.
2665 * ipv4/ip_frag.c: added SNMP counters.
2667 2006-08-08 Christiaan Simons
2668 * etharp.{c,h}: added etharp_find_addr() to read
2669 (stable) ethernet/IP address pair from ARP table
2671 2006-07-14 Christiaan Simons
2672 * mib_structs.c: added
2673 * include/lwip/snmp_structs.h: added
2674 * netif.{c,h}, netif/ethernetif.c: added SNMP statistics to netif struct
2676 2006-07-06 Christiaan Simons
2677 * snmp/asn1_{enc,dec}.c added
2679 * snmp/msg_{in,out}.c added
2680 * include/lwip/snmp_asn1.h added
2681 * include/lwip/snmp_msg.h added
2682 * doc/snmp_agent.txt added
2684 2006-03-29 Christiaan Simons
2685 * inet.c, inet.h: Added platform byteswap support.
2686 Added LWIP_PLATFORM_BYTESWAP define (defaults to 0) and
2687 optional LWIP_PLATFORM_HTONS(), LWIP_PLATFORM_HTONL() macros.
2691 2006-11-30 Christiaan Simons
2692 * dhcp.c: Fixed false triggers of request_timeout.
2694 2006-11-28 Christiaan Simons
2695 * netif.c: In netif_add() fixed missing clear of ip_addr, netmask, gw and flags.
2697 2006-10-11 Christiaan Simons
2698 * api_lib.c etharp.c, ip.c, memp.c, stats.c, sys.{c,h} tcp.h:
2699 Partially accepted patch #5449 for ANSI C compatibility / build fixes.
2700 * ipv4/lwip/ip.h ipv6/lwip/ip.h: Corrected UDP-Lite protocol
2701 identifier from 170 to 136 (bug #17574).
2703 2006-10-10 Christiaan Simons
2704 * api_msg.c: Fixed Nagle algorithm as reported by Bob Grice.
2706 2006-08-17 Christiaan Simons
2707 * udp.c: Fixed bug #17200, added check for broadcast
2708 destinations for PCBs bound to a unicast address.
2710 2006-08-07 Christiaan Simons
2711 * api_msg.c: Flushing TCP output in do_close() (bug #15926).
2713 2006-06-27 Christiaan Simons
2714 * api_msg.c: Applied patch for cold case (bug #11135).
2715 In accept_function() ensure newconn->callback is always initialized.
2717 2006-06-15 Christiaan Simons
2718 * mem.h: added MEM_SIZE_F alias to fix an ancient cold case (bug #1748),
2719 facilitate printing of mem_size_t and u16_t statistics.
2721 2006-06-14 Christiaan Simons
2722 * api_msg.c: Applied patch #5146 to handle allocation failures
2723 in accept() by Kevin Lawson.
2725 2006-05-26 Christiaan Simons
2726 * api_lib.c: Removed conn->sem creation and destruction
2727 from netconn_write() and added sys_sem_new to netconn_new_*.
2731 2006-03-03 Christiaan Simons
2732 * ipv4/ip_frag.c: Added bound-checking assertions on ip_reassbitmap
2733 access and added pbuf_alloc() return value checks.
2735 2006-01-01 Leon Woestenberg <leon.woestenberg@gmx.net>
2736 * tcp_{in,out}.c, tcp_out.c: Removed 'even sndbuf' fix in TCP, which is
2737 now handled by the checksum routine properly.
2739 2006-02-27 Leon Woestenberg <leon.woestenberg@gmx.net>
2740 * pbuf.c: Fix alignment; pbuf_init() would not work unless
2741 pbuf_pool_memory[] was properly aligned. (Patch by Curt McDowell.)
2743 2005-12-20 Leon Woestenberg <leon.woestenberg@gmx.net>
2744 * tcp.c: Remove PCBs which stay in LAST_ACK state too long. Patch
2745 submitted by Mitrani Hiroshi.
2747 2005-12-15 Christiaan Simons
2748 * inet.c: Disabled the added summing routine to preserve code space.
2750 2005-12-14 Leon Woestenberg <leon.woestenberg@gmx.net>
2751 * tcp_in.c: Duplicate FIN ACK race condition fix by Kelvin Lawson.
2752 Added Curt McDowell's optimized checksumming routine for future
2753 inclusion. Need to create test case for unaliged, aligned, odd,
2754 even length combination of cases on various endianess machines.
2756 2005-12-09 Christiaan Simons
2757 * inet.c: Rewrote standard checksum routine in proper portable C.
2759 2005-11-25 Christiaan Simons
2760 * udp.c tcp.c: Removed SO_REUSE hack. Should reside in socket code only.
2761 * *.c: introduced cc.h LWIP_DEBUG formatters matching the u16_t, s16_t,
2762 u32_t, s32_t typedefs. This solves most debug word-length assumes.
2764 2005-07-17 Leon Woestenberg <leon.woestenberg@gmx.net>
2765 * inet.c: Fixed unaligned 16-bit access in the standard checksum
2766 routine by Peter Jolasson.
2767 * slipif.c: Fixed implementation assumption of single-pbuf datagrams.
2769 2005-02-04 Leon Woestenberg <leon.woestenberg@gmx.net>
2770 * tcp_out.c: Fixed uninitialized 'queue' referenced in memerr branch.
2771 * tcp_{out|in}.c: Applied patch fixing unaligned access.
2773 2005-01-04 Leon Woestenberg <leon.woestenberg@gmx.net>
2774 * pbuf.c: Fixed missing semicolon after LWIP_DEBUG statement.
2776 2005-01-03 Leon Woestenberg <leon.woestenberg@gmx.net>
2777 * udp.c: UDP pcb->recv() was called even when it was NULL.
2781 2004-12-28 Leon Woestenberg <leon.woestenberg@gmx.net>
2782 * etharp.*: Disabled multiple packets on the ARP queue.
2783 This clashes with TCP queueing.
2785 2004-11-28 Leon Woestenberg <leon.woestenberg@gmx.net>
2786 * etharp.*: Fixed race condition from ARP request to ARP timeout.
2787 Halved the ARP period, doubled the period counts.
2788 ETHARP_MAX_PENDING now should be at least 2. This prevents
2789 the counter from reaching 0 right away (which would allow
2790 too little time for ARP responses to be received).
2792 2004-11-25 Leon Woestenberg <leon.woestenberg@gmx.net>
2793 * dhcp.c: Decline messages were not multicast but unicast.
2794 * etharp.c: ETHARP_CREATE is renamed to ETHARP_TRY_HARD.
2795 Do not try hard to insert arbitrary packet's source address,
2796 etharp_ip_input() now calls etharp_update() without ETHARP_TRY_HARD.
2797 etharp_query() now always DOES call ETHARP_TRY_HARD so that users
2798 querying an address will see it appear in the cache (DHCP could
2799 suffer from this when a server invalidly gave an in-use address.)
2800 * ipv4/ip_addr.h: Renamed ip_addr_maskcmp() to _netcmp() as we are
2801 comparing network addresses (identifiers), not the network masks
2803 * ipv4/ip_addr.c: ip_addr_isbroadcast() now checks that the given
2804 IP address actually belongs to the network of the given interface.
2806 2004-11-24 Kieran Mansley <kjm25@cam.ac.uk>
2807 * tcp.c: Increment pcb->snd_buf when ACK is received in SYN_SENT state.
2811 2004-10-16 Kieran Mansley <kjm25@cam.ac.uk>
2812 * tcp.c: Add code to tcp_recved() to send an ACK (window update) immediately,
2813 even if one is already pending, if the rcv_wnd is above a threshold
2814 (currently TCP_WND/2). This avoids waiting for a timer to expire to send a
2815 delayed ACK in order to open the window if the stack is only receiving data.
2817 2004-09-12 Kieran Mansley <kjm25@cam.ac.uk>
2818 * tcp*.*: Retransmit time-out handling improvement by Sam Jansen.
2820 2004-08-20 Tony Mountifield <tony@softins.co.uk>
2821 * etharp.c: Make sure the first pbuf queued on an ARP entry
2822 is properly ref counted.
2824 2004-07-27 Tony Mountifield <tony@softins.co.uk>
2825 * debug.h: Added (int) cast in LWIP_DEBUGF() to avoid compiler
2826 warnings about comparison.
2827 * pbuf.c: Stopped compiler complaining of empty if statement
2828 when LWIP_DEBUGF() empty. Closed an unclosed comment.
2829 * tcp.c: Stopped compiler complaining of empty if statement
2830 when LWIP_DEBUGF() empty.
2831 * ip.h Corrected IPH_TOS() macro: returns a byte, so doesn't need htons().
2832 * inet.c: Added a couple of casts to quiet the compiler.
2833 No need to test isascii(c) before isdigit(c) or isxdigit(c).
2835 2004-07-22 Tony Mountifield <tony@softins.co.uk>
2836 * inet.c: Made data types consistent in inet_ntoa().
2837 Added casts for return values of checksum routines, to pacify compiler.
2838 * ip_frag.c, tcp_out.c, sockets.c, pbuf.c
2839 Small corrections to some debugging statements, to pacify compiler.
2841 2004-07-21 Tony Mountifield <tony@softins.co.uk>
2842 * etharp.c: Removed spurious semicolon and added missing end-of-comment.
2843 * ethernetif.c Updated low_level_output() to match prototype for
2844 netif->linkoutput and changed low_level_input() similarly for consistency.
2845 * api_msg.c: Changed recv_raw() from int to u8_t, to match prototype
2846 of raw_recv() in raw.h and so avoid compiler error.
2847 * sockets.c: Added trivial (int) cast to keep compiler happier.
2848 * ip.c, netif.c Changed debug statements to use the tidier ip4_addrN() macros.
2854 2004-07-05 Leon Woestenberg <leon.woestenberg@gmx.net>
2855 * sockets.*: Restructured LWIP_PRIVATE_TIMEVAL. Make sure
2856 your cc.h file defines this either 1 or 0. If non-defined,
2858 * .c: Added <string.h> and <errno.h> includes where used.
2859 * etharp.c: Made some array indices unsigned.
2861 2004-06-27 Leon Woestenberg <leon.woestenberg@gmx.net>
2862 * netif.*: Added netif_set_up()/down().
2863 * dhcp.c: Changes to restart program flow.
2865 2004-05-07 Leon Woestenberg <leon.woestenberg@gmx.net>
2866 * etharp.c: In find_entry(), instead of a list traversal per candidate, do a
2867 single-pass lookup for different candidates. Should exploit locality.
2869 2004-04-29 Leon Woestenberg <leon.woestenberg@gmx.net>
2870 * tcp*.c: Cleaned up source comment documentation for Doxygen processing.
2871 * opt.h: ETHARP_ALWAYS_INSERT option removed to comply with ARP RFC.
2872 * etharp.c: update_arp_entry() only adds new ARP entries when adviced to by
2873 the caller. This deprecates the ETHARP_ALWAYS_INSERT overrule option.
2877 2004-04-27 Leon Woestenberg <leon.woestenberg@gmx.net>
2878 * etharp.c: Applied patch of bug #8708 by Toni Mountifield with a solution
2879 suggested by Timmy Brolin. Fix for 32-bit processors that cannot access
2880 non-aligned 32-bit words, such as soms 32-bit TCP/IP header fields. Fix
2881 is to prefix the 14-bit Ethernet headers with two padding bytes.
2883 2004-04-23 Leon Woestenberg <leon.woestenberg@gmx.net>
2884 * ip_addr.c: Fix in the ip_addr_isbroadcast() check.
2885 * etharp.c: Fixed the case where the packet that initiates the ARP request
2886 is not queued, and gets lost. Fixed the case where the packets destination
2887 address is already known; we now always queue the packet and perform an ARP
2894 * Fixed TCP bug for SYN_SENT to ESTABLISHED state transition.
2895 * Fixed TCP bug in dequeueing of FIN from out of order segment queue.
2896 * Fixed two possible NULL references in rare cases.
2902 * Fixed DHCP which did not include the IP address in DECLINE messages.
2906 * etharp.c has been hauled over a bit.
2912 * Fixed TCP bug induced by bad window resizing with unidirectional TCP traffic.
2913 * Packets sent from ARP queue had invalid source hardware address.
2917 * Pass-by ARP requests do now update the cache.
2921 * No longer dependent on ctype.h.
2922 * New socket options.
2923 * Raw IP pcb support.
2929 * Some debug formatters and casts fixed.
2930 * Numereous fixes in PPP.
2934 * DEBUGF now is LWIP_DEBUGF
2935 * pbuf_dechain() has been re-enabled.
2936 * Mentioned the changed use of CVS branches in README.
2942 * Fixed pool pbuf memory leak in pbuf_alloc().
2943 Occured if not enough PBUF_POOL pbufs for a packet pbuf chain.
2944 Reported by Savin Zlobec.
2946 * PBUF_POOL chains had their tot_len field not set for non-first
2947 pbufs. Fixed in pbuf_alloc().
2951 * Added PPP stack contributed by Marc Boucher
2955 * Now drops short packets for ICMP/UDP/TCP protocols. More robust.
2957 * ARP queueuing now queues the latest packet instead of the first.
2958 This is the RFC recommended behaviour, but can be overridden in
2965 * TCP has been fixed to deal with the new use of the pbuf->ref
2968 * DHCP dhcp_inform() crash bug fixed.
2972 * Removed pbuf_pool_free_cache and pbuf_pool_alloc_cache. Also removed
2973 pbuf_refresh(). This has sped up pbuf pool operations considerably.
2974 Implemented by David Haas.
2980 * The packet buffer implementation has been enhanced to support
2981 zero-copy and copy-on-demand for packet buffers which have their
2982 payloads in application-managed memory.
2983 Implemented by David Haas.
2985 Use PBUF_REF to make a pbuf refer to RAM. lwIP will use zero-copy
2986 if an outgoing packet can be directly sent on the link, or perform
2987 a copy-on-demand when necessary.
2989 The application can safely assume the packet is sent, and the RAM
2990 is available to the application directly after calling udp_send()
2991 or similar function.
2995 * ARP_QUEUEING should now correctly work for all cases, including
2997 Implemented by Leon Woestenberg.
3001 * IP_ADDR_ANY is no longer a NULL pointer. Instead, it is a pointer
3002 to a '0.0.0.0' IP address.
3004 * The packet buffer implementation is changed. The pbuf->ref counter
3005 meaning has changed, and several pbuf functions have been
3006 adapted accordingly.
3008 * netif drivers have to be changed to set the hardware address length field
3009 that must be initialized correctly by the driver (hint: 6 for Ethernet MAC).
3010 See the contrib/ports/c16x cs8900 driver as a driver example.
3012 * netif's have a dhcp field that must be initialized to NULL by the driver.
3013 See the contrib/ports/c16x cs8900 driver as a driver example.
3015 (0.5.x) This file has been unmaintained up to 0.6.1. All changes are
3016 logged in CVS but have not been explained here.
3018 (0.5.3) Changes since version 0.5.2
3022 * memp_malloc(MEMP_API_MSG) could fail with multiple application
3023 threads because it wasn't protected by semaphores.
3027 * struct ip_addr now packed.
3029 * The name of the time variable in arp.c has been changed to ctime
3030 to avoid conflicts with the time() function.
3032 (0.5.2) Changes since version 0.5.1
3036 * A new TCP function, tcp_tmr(), now handles both TCP timers.
3040 * A bug in tcp_parseopt() could cause the stack to hang because of a
3041 malformed TCP option.
3043 * The address of new connections in the accept() function in the BSD
3044 socket library was not handled correctly.
3046 * pbuf_dechain() did not update the ->tot_len field of the tail.
3048 * Aborted TCP connections were not handled correctly in all
3053 * All protocol header structs are now packed.
3055 * The ->len field in the tcp_seg structure now counts the actual
3056 amount of data, and does not add one for SYN and FIN segments.
3058 (0.5.1) Changes since version 0.5.0
3062 * Possible to run as a user process under Linux.
3064 * Preliminary support for cross platform packed structs.
3066 * ARP timer now implemented.
3070 * TCP output queue length was badly initialized when opening
3073 * TCP delayed ACKs were not sent correctly.
3075 * Explicit initialization of BSS segment variables.
3077 * read() in BSD socket library could drop data.
3079 * Problems with memory alignment.
3081 * Situations when all TCP buffers were used could lead to
3084 * TCP MSS option wasn't parsed correctly.
3086 * Problems with UDP checksum calculation.
3088 * IP multicast address tests had endianess problems.
3090 * ARP requests had wrong destination hardware address.
3094 * struct eth_addr changed from u16_t[3] array to u8_t[6].
3096 * A ->linkoutput() member was added to struct netif.
3098 * TCP and UDP ->dest_* struct members where changed to ->remote_*.
3100 * ntoh* macros are now null definitions for big endian CPUs.
3102 (0.5.0) Changes since version 0.4.2
3106 * Redesigned operating system emulation layer to make porting easier.
3108 * Better control over TCP output buffers.
3110 * Documenation added.
3114 * Locking issues in buffer management.
3116 * Bugfixes in the sequential API.
3118 * IP forwarding could cause memory leakage. This has been fixed.
3122 * Directory structure somewhat changed; the core/ tree has been
3125 (0.4.2) Changes since version 0.4.1
3129 * Experimental ARP implementation added.
3131 * Skeleton Ethernet driver added.
3133 * Experimental BSD socket API library added.
3137 * In very intense situations, memory leakage could occur. This has
3142 * Variables named "data" and "code" have been renamed in order to
3143 avoid name conflicts in certain compilers.
3145 * Variable++ have in appliciable cases been translated to ++variable
3146 since some compilers generate better code in the latter case.
3148 (0.4.1) Changes since version 0.4
3152 * TCP: Connection attempts time out earlier than data
3153 transmissions. Nagle algorithm implemented. Push flag set on the
3154 last segment in a burst.
3156 * UDP: experimental support for UDP-Lite extensions.
3160 * TCP: out of order segments were in some cases handled incorrectly,
3161 and this has now been fixed. Delayed acknowledgements was broken
3162 in 0.4, has now been fixed. Binding to an address that is in use
3163 now results in an error. Reset connections sometimes hung an
3164 application; this has been fixed.
3166 * Checksum calculation sometimes failed for chained pbufs with odd
3167 lengths. This has been fixed.
3169 * API: a lot of bug fixes in the API. The UDP API has been improved
3170 and tested. Error reporting and handling has been
3171 improved. Logical flaws and race conditions for incoming TCP
3172 connections has been found and removed.
3174 * Memory manager: alignment issues. Reallocating memory sometimes
3175 failed, this has been fixed.
3177 * Generic library: bcopy was flawed and has been fixed.
3181 * API: all datatypes has been changed from generic ones such as
3182 ints, to specified ones such as u16_t. Functions that return
3183 errors now have the correct type (err_t).
3185 * General: A lot of code cleaned up and debugging code removed. Many
3186 portability issues have been fixed.
3188 * The license was changed; the advertising clause was removed.
3192 * Thanks: Huge thanks go to Dagan Galarneau, Horst Garnetzke, Petri
3193 Kosunen, Mikael Caleres, and Frits Wilmink for reporting and
3196 (0.4) Changes since version 0.3.1
3198 * Memory management has been radically changed; instead of
3199 allocating memory from a shared heap, memory for objects that are
3200 rapidly allocated and deallocated is now kept in pools. Allocation
3201 and deallocation from those memory pools is very fast. The shared
3202 heap is still present but is used less frequently.
3204 * The memory, memory pool, and packet buffer subsystems now support
3205 4-, 2-, or 1-byte alignment.
3207 * "Out of memory" situations are handled in a more robust way.
3209 * Stack usage has been reduced.
3211 * Easier configuration of lwIP parameters such as memory usage,
3212 TTLs, statistics gathering, etc. All configuration parameters are
3213 now kept in a single header file "lwipopts.h".
3215 * The directory structure has been changed slightly so that all
3216 architecture specific files are kept under the src/arch
3219 * Error propagation has been improved, both in the protocol modules
3222 * The code for the RTXC architecture has been implemented, tested
3225 * Bugs have been found and corrected in the TCP, UDP, IP, API, and
3226 the Internet checksum modules.
3228 * Bugs related to porting between a 32-bit and a 16-bit architecture
3229 have been found and corrected.
3231 * The license has been changed slightly to conform more with the
3232 original BSD license, including the advertisement clause.
3234 (0.3.1) Changes since version 0.3
3236 * Fix of a fatal bug in the buffer management. Pbufs with allocated
3237 RAM never returned the RAM when the pbuf was deallocated.
3239 * TCP congestion control, window updates and retransmissions did not
3240 work correctly. This has now been fixed.
3242 * Bugfixes in the API.
3244 (0.3) Changes since version 0.2
3246 * New and improved directory structure. All include files are now
3247 kept in a dedicated include/ directory.
3249 * The API now has proper error handling. A new function,
3250 netconn_err(), now returns an error code for the connection in
3253 * Improvements in the memory management subsystem. The system now
3254 keeps a pointer to the lowest free memory block. A new function,
3255 mem_malloc2() tries to allocate memory once, and if it fails tries
3256 to free some memory and retry the allocation.
3258 * Much testing has been done with limited memory
3259 configurations. lwIP now does a better job when overloaded.
3261 * Some bugfixes and improvements to the buffer (pbuf) subsystem.
3263 * Many bugfixes in the TCP code:
3265 - Fixed a bug in tcp_close().
3267 - The TCP receive window was incorrectly closed when out of
3268 sequence segments was received. This has been fixed.
3270 - Connections are now timed-out of the FIN-WAIT-2 state.
3272 - The initial congestion window could in some cases be too
3273 large. This has been fixed.
3275 - The retransmission queue could in some cases be screwed up. This
3278 - TCP RST flag now handled correctly.
3280 - Out of sequence data was in some cases never delivered to the
3281 application. This has been fixed.
3283 - Retransmitted segments now contain the correct acknowledgment
3284 number and advertised window.
3286 - TCP retransmission timeout backoffs are not correctly computed
3287 (ala BSD). After a number of retransmissions, TCP now gives up
3290 * TCP connections now are kept on three lists, one for active
3291 connections, one for listening connections, and one for
3292 connections that are in TIME-WAIT. This greatly speeds up the fast
3293 timeout processing for sending delayed ACKs.
3295 * TCP now provides proper feedback to the application when a
3296 connection has been successfully set up.
3298 * More comments have been added to the code. The code has also been
3299 somewhat cleaned up.
3301 (0.2) Initial public release.