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CHANGELOG
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HISTORY
(git master)
* [Enter new changes just after this line - do not remove this line]
++ New features:
2014-09-16: Simon Goldschmidt
* dns.c, opt.h: reduced ram usage by parsing DNS responses in place
2014-09-16: Simon Goldschmidt
* pbuf.h/.c: added pbuf_take_at() and pbuf_put_at()
2014-09-15: Simon Goldschmidt
* dns.c: added source port randomization to make the DNS client more robust
(see bug #43144)
2013-09-02: Simon Goldschmidt
* arch.h and many other files: added optional macros PACK_STRUCT_FLD_8() and
PACK_STRUCT_FLD_S() to prevent gcc 4 from warning about struct members that
do not need packing
2013-08-19: Simon Goldschmidt
* netif.h: bug #42998: made NETIF_MAX_HWADDR_LEN overridable for some special
networks
2013-03-17: Simon Goldschmidt (patch by Ghobad Emadi)
* opt.h, etharp.c: Added LWIP_HOOK_ETHARP_GET_GW to implement IPv4 routing with
multiple gateways
2013-04-20: Fatih Asici
* opt.h, etharp.h/.c: patch #7993: Added support for transmitting packets
with VLAN headers via hook function LWIP_HOOK_VLAN_SET and to check them
via hook function LWIP_HOOK_VLAN_CHECK
2014-02-20: Simon Goldschmidt (based on patch by Artem Pisarenko)
* patch #7885: modification of api modules to support FreeRTOS-MPU
(don't pass stack-pointers to other threads)
2014-02-05: Simon Goldschmidt (patch by "xtian" and "alex_ab")
* patch #6537/#7858: TCP window scaling support
2014-01-17: Jiri Engelthaler
* icmp, icmp6, opt.h: patch #8027: Completed HW checksuming for IPv4 and
IPv6 ICMP's
2012-08-22: Sylvain Rochet
* New PPP stack for lwIP, developed in ppp-new branch.
Based from pppd 2.4.5, released 2009-11-17, with huge changes to match
code size and memory requirements for embedded devices, including:
- Gluing together the previous low-level PPP code in lwIP to pppd 2.4.5, which
is more or less what pppd sys-* files are, so that we get something working
using the unix port.
- Merged some patchs from lwIP Git repository which add interesting features
or fix bugs.
- Merged some patchs from Debian pppd package which add interesting features
or fix bugs.
- Ported PPP timeout handling to the lwIP timers system
- Disabled all the PPP code using filesystem access, replaced in necessary cases
to configuration variables.
- Disabled all the PPP code forking processes.
- Removed IPX support, lwIP does not support IPX.
- Ported and improved random module from the previous PPP port.
- Removed samba TDB (file-driven database) usage, because it needs a filesystem.
- MS-CHAP required a DES implementation, we added the latest PolarSSL DES
implementation which is under a BSD-ish license.
- Also switched to PolarSSL MD4,MD5,SHA1 implementations, which are meant to be
used in embedded devices with reduced memory footprint.
- Removed PPP configuration file parsing support.
- Added macro definition EAP_SUPPORT to make EAP support optional.
- Added macro definition CHAP_SUPPORT to make CHAP support optional.
- Added macro definition MSCHAP_SUPPORT to make MSCHAP support optional.
- Added macro definition PAP_SUPPORT to make PAP support optional.
- Cleared all Linux syscall calls.
- Disabled demand support using a macro, so that it can be ported later.
- Disabled ECP support using a macro, so that it can be ported later.
- Disabled CCP support using a macro, so that it can be ported later.
- Disabled CBCP support using a macro, so that it can be ported later.
- Disabled LQR support using a macro, so that it can be ported later.
- Print packet debug feature optional, through PRINTPKT_SUPPORT
- Removed POSIX signal usage.
- Fully ported PPPoS code from the previous port.
- Fully ported PPPoE code from the previous port.
- Fully ported VJ compression protocol code from the previous port.
- Removed all malloc()/free() use from PPP, replaced by stack usage or PBUF.
- Disabled PPP server support using a macro, so that it can be ported later.
- Switched all PPP debug to lwIP debug system.
- Created PPP Control Block (PPP PCB), removed PPP unit integer everywhere,
removed all global variables everywhere, did everything necessary for
the PPP stack to support more than one PPP session (pppd only support
one session per process).
- Removed the statically allocated output buffer, now using PBUF.
- Improved structure size of all PPP modules, deep analyze of code to reduce
variables size to the bare minimum. Switched all boolean type (char type in
most architecture) to compiler generated bitfields.
- Added PPP IPv6 support, glued lwIP IPv6 support to PPP.
- Now using a persistent netif interface which can then be used in lwIP
functions requiring a netif.
- Now initializing PPP in lwip_init() function.
- Reworked completely the PPP state machine, so that we don't end up in
anymore in inconsistent state, especially with PPPoE.
- Improved the way we handle PPP reconnection after disconnect, cleaning
everything required so that we start the PPP connection again from a
clean state.
- Added PPP holdoff support, allow the lwIP user to wait a little bit before
reconnecting, prevents connection flood, especially when using PPPoL2TP.
- Added PPPoL2TP LAC support (a.k.a. UDP tunnels), adding a VPN client
feature to lwIP, L2TP being a widely used tunnel protocol.
- Switched all used PPP types to lwIP types (u8t, u16t, u32t, ...)
- Added PPP API "sequential" thread-safe API, based from NETIFAPI.
2011-07-21: Simon Goldschmidt
* sockets.c, opt.h: (bug #30185): added LWIP_FIONREAD_LINUXMODE that makes
ioctl/FIONREAD return the size of the next pending datagram.
2011-05-25: Simon Goldschmidt
* again nearly the whole stack, renamed ip.c to ip4.c, ip_addr.c to ip4_addr.c,
combined ipv4/ipv6 inet_chksum.c, added ip.h, ip_addr.h: Combined IPv4
and IPv6 code where possible, added defines to access IPv4/IPv6 in non-IP
code so that the code is more readable.
2011-05-17: Patch by Ivan Delamer (only checked in by Simon Goldschmidt)
* nearly the whole stack: Finally, we got decent IPv6 support, big thanks to
Ivan! (this is work in progress: we're just post release anyway :-)
++ Bugfixes:
2014-09-16: Kevin Cernekee
* dns.c: patch #8480 Fix handling of dns_seqno wraparound
2014-09-16: Simon Goldschmidt
* tcp_out.c: fixed bug #43192 tcp_enqueue_flags() should not check TCP_SND_QUEUELEN
when sending FIN
2014-09-03: Simon Goldschmidt
* msg_in.c: fixed bug #39355 SNMP Memory Leak in case of error
2014-09-02: Simon Goldschmidt
* err.h/.c, sockets.c, api_msg.c: fixed bug #43110 call getpeername() before
listen() will cause a error
2014-09-02: Simon Goldschmidt
* sockets.c: fixed bug #42117 lwip_fcntl does not set errno
2014-09-02: Simon Goldschmidt
* tcp.c: fixed bug #42299 tcp_abort() leaves freed pcb on tcp_bound_pcbs list
2014-08-20: Simon Goldschmidt
* dns.c: fixed bug #42987 lwIP is vulnerable to DNS cache poisoning due to
non-randomized TXIDs
2014-06-03: Simon Goldschmidt
* tcp_impl.h, tcp_in.c: fixed bug #37969 SYN packet dropped as short packet in
tcp_input function
2014-05-20: Simon Goldschmidt
* tcp_out.c: fixed bug #37184 tcp_write problem for pcbs in the SYN_SENT state
2014-05-19: Simon Goldschmidt
* *.h: Fixed bug #35874 reserved identifier violation (removed leading underscores
from header include guards)
2014-04-08: Simon Goldschmidt
* tcp.c: Fixed bug #36167 tcp server crash when client closes (maximum window)
2014-04-06: Simon Goldschmidt
* tcp_in.c: Fixed bug #36210 lwIP does not elicit an empty ACK when received
unacceptable ACK
2014-04-06: Simon Goldschmidt
* dhcp.c, ip4.c/.h, ip6.c/.h, udp.c/.h, ip.h: Fixed bug #41787 DHCP Discovery
is invalid when an IP is set to thet netif.
2014-03-14: Simon Goldschmidt
* tcp_out.c: Fixed bug #36153 TCP Cheksum error if LWIP_CHECKSUM_ON_COPY=1
2014-03-11: Simon Goldschmidt (patch by Mason)
* opt.h, sockets.c: fixed bug #35928 BSD sockets functions must set errno for
POSIX-compliance
2014-02-27: Simon Goldschmidt
* dhcp.c: fixed bug #40303 DHCP xid renewed when sending a DHCPREQUEST
2014-02-27: Simon Goldschmidt
* raw.c: fixed bug #41680 raw socket can not receive IPv6 packet when
IP_SOF_BROADCAST_RECV==1
2014-02-27: Simon Goldschmidt
* api_msg.c, sockets.c: fixed bug #38404 getpeeraddr returns success on
unconnected/listening TCP sockets
2014-02-27: Simon Goldschmidt
* sockets.c: fixed bug #41729 Some socket functions return Exyz instead of -1
2014-02-25: Simon Goldschmidt
* ip4.c: fixed bug #39514 ip_route() may return an IPv6-only interface
2014-02-25: Simon Goldschmidt, patch by Fatih Asici
* pbuf.c: fixed bug #39356 Wrong increment in pbuf_memfind()
2014-02-25: Simon Goldschmidt
* netif.c/.h, udp.c: fixed bug #39225 udp.c uses netif_matches_ip6_addr() incorrectly;
renamed function netif_matches_ip6_addr() to netif_get_ip6_addr_match()
2014-02-25: Simon Goldschmidt
* igmp.c: fixed bug #39145 IGMP membership report for 224.0.0.1
2014-02-22: Simon Goldschmidt (patch by Amir Shalem)
* etharp.c, opt.h: fixed bug #34681 Limit ARP queue length by ARP_QUEUE_LEN (=3)
2014-02-22: Simon Goldschmidt (patch by Amir Shalem)
* etharp.h/.c: fixed bug #34682 Limit ARP request flood for unresolved entry
2014-02-20: Simon Goldschmidt
* tcp_out.c: fixed bug #39683 Assertion "seg->tcphdr not aligned" failed with
MEM_ALIGNMENT = 8
2014-02-20: Simon Goldschmidt
* sockets.c: fixed bug #39882 No function shall set errno to 0
2014-02-20: Simon Goldschmidt
* mib_structs.c: fixed bug #40050 SNMP problem with MIB arrays > 255
2014-02-20: Simon Goldschmidt
* api.h, sockets.c: fixed bug #41499 netconn::recv_avail can overflow
2014-01-08: Stathis Voukelatos
* memp_std.h: patch #7928 Fixed size calculation in MALLOC memory pool
creation macro
2014-01-18: Brian Fahs
* tcp_out.c: patch #8237: tcp_rexmit_rto fails to update pcb->unsent_oversize
when necessary
2014-01-17: Grant Erickson, Jay Logue, Simon Goldschmidt
* ipv6.c, netif.c: patch #7913 Enable Support for IPv6 Loopback
2014-01-16: Stathis Voukelatos
* netif.c: patch #7902 Fixed netif_poll() operation when LWIP_LOOPBACK_MAX_PBUFS > 0
2014-01-14: "Freddie Chopin"
* snmp.h, mib2.c: fixed constness and spelling of sysdescr
2014-01-14: Simon Goldschmidt (patch by Thomas Faber)
* tcpip.c: patch #8241: Fix implicit declaration of ip_input with
LWIP_TCPIP_CORE_LOCKING_INPUT disabled
2014-01-14: chrysn
* timers.c: patch #8244 make timeouts usable reliably from outside of the
timeout routine
2014-01-10: Simon Goldschmidt
* ip_frag.c, ip6_frag.c: fixed bug #41041 Potential use-after-free in IPv6 reassembly
2014-01-10: Simon Goldschmidt
* memp.c: fixed bug #41188 Alignment error in memp_init() when MEMP_SEPARATE_POOLS==1
2014-01-10: Simon Goldschmidt
* tcp.c: fixed bug #39898 tcp_fasttmr() possible lock due to infinte queue process loop
2013-06-29: Simon Goldschmidt
* inet.h, sockets.h: partially fixed bug #37585: IPv6 compatibility (in socket structs)
2013-06-29: Simon Goldschmidt
* inet6.h: bug #37585/task #12600: fixed struct in6_addr.s6_addr to conform to spec
2013-04-24: patch by Liam <morepork>
* api_msg.c: patch #8008 Fix a potential null pointer dereference in assert
2013-04-24: Simon Goldschmidt
* igmp.c: fixed possible division by zero
2013-04-24: Simon Goldschmidt
* ip6.h, some ipv6 C files: fixed bug #38526 Coverity: Recursive Header Inclusion in ip6.h
2013-04-24: Simon Goldschmidt (patch by Emil Ljungdahl):
* netif.c: fixed bug #38586 netif_loop_output() "deadlocks"
2013-01-15: Simon Goldschmidt
* ip4.c: fixed bug #37665 ip_canforward operates on address in wrong byte order
2013-01-15: Simon Goldschmidt
* pbuf.h: fixed bug #38097 pbuf_free_ooseq() warning
2013-01-14: Simon Goldschmidt
* dns.c: fixed bug #37705 Possible memory corruption in DNS query
2013-01-11: Simon Goldschmidt
* raw.c: fixed bug #38066 Raw pcbs can alter packet without eating it
2012-08-22: Simon Goldschmidt
* memp.c: fixed bug #37166: memp_sanity check loops itself
2012-08-13: Simon Goldschmidt
* dhcp.c: fixed bug #36645: Calling dhcp_release before dhcp_start
dereferences NULL
2012-08-13: Simon Goldschmidt
* msg_out.c: fixed bug #36840 snmp_send_trap() NULL de-reference if traps
configured but no interfaces available
2012-08-13: Simon Goldschmidt
* dns.c: fixed bug #36899 DNS TTL 0 is cached for a long time
2012-05-11: Simon Goldschmidt (patch by Marty)
* memp.c: fixed bug #36412: memp.c does not compile when
MEMP_OVERFLOW_CHECK > zero and MEMP_SEPARATE_POOLS == 1
2012-05-03: Simon Goldschmidt (patch by Sylvain Rochet)
* ppp.c: fixed bug #36283 (PPP struct used on header size computation and
not packed)
2012-05-03: Simon Goldschmidt (patch by David Empson)
* ppp.c: fixed bug #36388 (PPP: checksum-only in last pbuf leads to pbuf with
zero length)
2012-03-25: Simon Goldschmidt
* api_msg.c: Fixed bug #35817: do_connect() invalidly signals op_completed
for UDP/RAW with LWIP_TCPIP_CORE_LOCKING==1
2012-03-25: Simon Goldschmidt
* api_msg.h, api_lib.c, api_msg.c, netifapi.c: fixed bug #35931: Name space
pollution in api_msg.c and netifapi.c
2011-08-24: Simon Goldschmidt
* inet6.h: fixed bug #34124 struct in6_addr does not conform to the standard
(STABLE-1.4.1)
++ New features:
2012-03-25: Simon Goldschmidt (idea by Mason)
* posix/*: added posix-compatibility include files posix/netdb.h and posix/sys/socket.h
which are a simple wrapper to the correct lwIP include files.
2012-01-16: Simon Goldschmidt
* opt.h, icmp.c: Added option CHECKSUM_GEN_ICMP
2011-12-17: Simon Goldschmidt
* ip.h: implemented API functions to access so_options of IP pcbs (UDP, TCP, RAW)
(fixes bug #35061)
2011-09-27: Simon Goldschmidt
* opt.h, tcp.c, tcp_in.c: Implemented limiting data on ooseq queue (task #9989)
(define TCP_OOSEQ_MAX_BYTES / TCP_OOSEQ_MAX_PBUFS in lwipopts.h)
2011-09-21: Simon Goldschmidt
* opt.h, api.h, api_lib.c, api_msg.h/.c, sockets.c: Implemented timeout on
send (TCP only, bug #33820)
2011-09-21: Simon Goldschmidt
* init.c: Converted runtime-sanity-checks into compile-time checks that can
be disabled (since runtime checks can often not be seen on embedded targets)
2011-09-11: Simon Goldschmidt
* ppp.h, ppp_impl.h: splitted ppp.h to an internal and external header file
to get a clear separation of which functions an application or port may use
(task #11281)
2011-09-11: Simon Goldschmidt
* opt.h, tcp_impl.h, tcp.c, udp.h/.c: Added a config option to randomize
initial local TCP/UDP ports (so that different port ranges are used after
a reboot; bug #33818; this one added tcp_init/udp_init functions again)
2011-09-03: Simon Goldschmidt
* dhcp.c: DHCP uses LWIP_RAND() for xid's (bug #30302)
2011-08-24: Simon Goldschmidt
* opt.h, netif.h/.c: added netif remove callback (bug #32397)
2011-07-26: Simon Goldschmidt
* etharp.c: ETHARP_SUPPORT_VLAN: add support for an external VLAN filter
function instead of only checking for one VLAN (define ETHARP_VLAN_CHECK_FN)
2011-07-21: Simon Goldschmidt (patch by hanhui)
* ip4.c, etharp.c, pbuf.h: bug #33634 ip_forward() have a faulty behaviour:
Added pbuf flags to mark incoming packets as link-layer broadcast/multicast.
Also added code to allow ip_forward() to forward non-broadcast packets to
the input netif (set IP_FORWARD_ALLOW_TX_ON_RX_NETIF==1).
2011-06-26: Simon Goldschmidt (patch by Cameron Gutman)
* tcp.c, tcp_out.c: bug #33604: added some more asserts to check that
pcb->state != LISTEN
2011-05-14: Simon Goldschmidt (patch by Stéphane Lesage)
* tcpip.c/.h: patch #7449 allow tcpip callback from interrupt with static
memory message
++ Bugfixes:
2012-09-26: Simon Goldschmidt
* api_msg.c: fixed bug #37405 'err_tcp()' uses already freed 'netconn' object
2012-09-26: patch by Henrik Persson
* dhcp.c: patch #7843 Fix corner case with dhcp timeouts
2012-09-26: patch by Henrik Persson
* dhcp.c: patch #7840 Segfault in dhcp_parse_reply if no end marker in dhcp packet
2012-08-22: Simon Goldschmidt
* memp.c: fixed bug #37166: memp_sanity check loops itself
2012-05-08: Simon Goldschmidt
* tcp_out.c: fixed bug: #36380 unsent_oversize mismatch in 1.4.1RC1 (this was
a debug-check issue only)
2012-03-27: Simon Goldschmidt
* vj.c: fixed bug #35756 header length calculation problem in ppp/vj.c
2012-03-27: Simon Goldschmidt (patch by Mason)
* tcp_out.c: fixed bug #35945: SYN packet should provide the recv MSS not the
send MSS
2012-03-22: Simon Goldschmidt
* ip4.c: fixed bug #35927: missing refragmentaion in ip_forward
2012-03-20: Simon Goldschmidt (patch by Mason)
* netdb.c: fixed bug #35907: lwip_gethostbyname_r returns an invalid h_addr_list
2012-03-12: Simon Goldschmidt (patch by Bostjan Meglic)
* ppp.c: fixed bug #35809: PPP GetMask(): Compiler warning on big endian,
possible bug on little endian system
2012-02-23: Simon Goldschmidt
* etharp.c: fixed bug #35595: Impossible to send broadcast without a gateway
(introduced when fixing bug# 33551)
2012-02-16: Simon Goldschmidt
* ppp.c: fixed pbuf leak when PPP session is aborted through pppSigHUP()
(bug #35541: PPP Memory Leak)
2012-02-16: Simon Goldschmidt
* etharp.c: fixed bug #35531: Impossible to send multicast without a gateway
(introduced when fixing bug# 33551)
2012-02-16: Simon Goldschmidt (patch by Stéphane Lesage)
* msg_in.c, msg_out.c: fixed bug #35536 SNMP: error too big response is malformed
2012-02-15: Simon Goldschmidt
* init.c: fixed bug #35537: MEMP_NUM_* sanity checks should be disabled with
MEMP_MEM_MALLOC==1
2012-02-12: Simon Goldschmidt
* tcp.h, tcp_in.c, tcp_out.c: partly fixed bug #25882: TCP hangs on
MSS > pcb->snd_wnd (by not creating segments bigger than half the window)
2012-02-11: Simon Goldschmidt
* tcp.c: fixed bug #35435: No pcb state check before adding it to time-wait
queue while closing
2012-01-22: Simon Goldschmidt
* tcp.c, tcp_in.c: fixed bug #35305: pcb may be freed too early on shutdown(WR)
2012-01-21: Simon Goldschmidt
* tcp.c: fixed bug #34636: FIN_WAIT_2 - Incorrect shutdown of TCP pcb
2012-01-20: Simon Goldschmidt
* dhcp.c: fixed bug #35151: DHCP asserts on incoming option lengths
2012-01-20: Simon Goldschmidt
* pbuf.c: fixed bug #35291: NULL pointer in pbuf_copy
2011-11-25: Simon Goldschmidt
* tcp.h/.c, tcp_impl.h, tcp_in.c: fixed bug #31177: tcp timers can corrupt
tcp_active_pcbs in some cases
2011-11-23: Simon Goldschmidt
* sys.c: fixed bug #34884: sys_msleep() body needs to be surrounded with
'#ifndef sys_msleep'
2011-11-22: Simon Goldschmidt
* netif.c, etharp.h/.c: fixed bug #34684: Clear the arp table cache when
netif is brought down
2011-10-28: Simon Goldschmidt
* tcp_in.c: fixed bug #34638: Dead code in tcp_receive - pcb->dupacks
2011-10-23: Simon Goldschmidt
* mem.c: fixed bug #34429: possible memory corruption with
LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT set to 1
2011-10-18: Simon Goldschmidt
* arch.h, netdb.c: fixed bug #34592: lwip_gethostbyname_r uses nonstandard
error value
2011-10-18: Simon Goldschmidt
* opt.h: fixed default values of TCP_SNDLOWAT and TCP_SNDQUEUELOWAT for small
windows (bug #34176 select after non-blocking send times out)
2011-10-18: Simon Goldschmidt
* tcp_impl.h, tcp_out.c: fixed bug #34587: TCP_BUILD_MSS_OPTION doesn't
consider netif->mtu, causes slow network
2011-10-18: Simon Goldschmidt
* sockets.c: fixed bug #34581 missing parentheses in udplite sockets code
2011-10-18: Simon Goldschmidt
* sockets.h: fixed bug #34580 fcntl() is missing in LWIP_COMPAT_SOCKETS
2011-10-17: Simon Goldschmidt
* api_msg.c: fixed bug #34569: shutdown(SHUT_WR) crashes netconn/socket api
2011-10-13: Simon Goldschmidt
* tcp_in.c, tcp_out.c: fixed bug #34517 (persist timer is started although no
zero window is received) by starting the persist timer when a zero window is
received, not when we have more data queued for sending than fits into the
window
2011-10-13: Simon Goldschmidt
* def.h, timers.c: fixed bug #34541: LWIP_U32_DIFF is unnecessarily complex
2011-10-13: Simon Goldschmidt
* sockets.c, api_lib.c: fixed bug #34540: compiler error when CORE_LOCKING is
used and not all protocols are enabled
2011-10-12: Simon Goldschmidt
* pbuf.c: fixed bug #34534: Error in sending fragmented IP if MEM_ALIGNMENT > 4
2011-10-09: Simon Goldschmidt
* tcp_out.c: fixed bug #34426: tcp_zero_window_probe() transmits incorrect
byte value when pcb->unacked != NULL
2011-10-09: Simon Goldschmidt
* ip4.c: fixed bug #34447 LWIP_IP_ACCEPT_UDP_PORT(dst_port) wrong
2011-09-27: Simon Goldschmidt
* tcp_in.c, tcp_out.c: Reset pcb->unsent_oversize in 2 more places...
2011-09-27: Simon Goldschmidt
* tcp_in.c: fixed bug #28288: Data after FIN in oos queue
2011-09-27: Simon Goldschmidt
* dhcp.c: fixed bug #34406 dhcp_option_hostname() can overflow the pbuf
2011-09-24: Simon Goldschmidt
* mem.h: fixed bug #34377 MEM_SIZE_F is not defined if MEM_LIBC_MALLOC==1
2011-09-23: Simon Goldschmidt
* pbuf.h, tcp.c, tcp_in.c: fixed bug #33871: rejecting TCP_EVENT_RECV() for
the last packet including FIN can lose data
2011-09-22: Simon Goldschmidt
* tcp_impl.h: fixed bug #34355: nagle does not take snd_buf/snd_queuelen into
account
2011-09-21: Simon Goldschmidt
* opt.h: fixed default value of TCP_SND_BUF to not violate the sanity checks
in init.c
2011-09-20: Simon Goldschmidt
* timers.c: fixed bug #34337 (possible NULL pointer in sys_check_timeouts)
2011-09-11: Simon Goldschmidt
* tcp_out.c: use pcb->mss instead of TCP_MSS for preallocate mss-sized pbufs
(bug #34019)
2011-09-09: Simon Goldschmidt
* udp.c: fixed bug #34072: UDP broadcast is received from wrong UDP pcb if
udp port matches
2011-09-03: Simon Goldschmidt
* tcp_in.c: fixed bug #33952 PUSH flag in incoming packet is lost when packet
is aggregated and sent to application
2011-09-01: Simon Goldschmidt
* opt.h: fixed bug #31809 LWIP_EVENT_API in opts.h is inconsistent compared
to other options
2011-09-01: Simon Goldschmidt
* tcp_in.c: fixed bug #34111 RST for ACK to listening pcb has wrong seqno
2011-08-24: Simon Goldschmidt
* api_msg.c, sockets.c: fixed bug #33956 Wrong error returned when calling
accept() on UDP connections
2011-08-24: Simon Goldschmidt
* sockets.h: fixed bug #34057 socklen_t should be a typedef
2011-08-24: Simon Goldschmidt
* pbuf.c: fixed bug #34112 Odd check in pbuf_alloced_custom (typo)
2011-08-24: Simon Goldschmidt
* dhcp.c: fixed bug #34122 dhcp: hostname can overflow
2011-08-24: Simon Goldschmidt
* netif.c: fixed bug #34121 netif_add/netif_set_ipaddr fail on NULL ipaddr
2011-08-22: Simon Goldschmidt
* tcp_out.c: fixed bug #33962 TF_FIN not always set after FIN is sent. (This
merely prevents nagle from not transmitting fast after closing.)
2011-07-22: Simon Goldschmidt
* api_lib.c, api_msg.c, sockets.c, api.h: fixed bug #31084 (socket API returns
always EMSGSIZE on non-blocking sockets if data size > send buffers) -> now
lwip_send() sends as much as possible for non-blocking sockets
2011-07-22: Simon Goldschmidt
* pbuf.c/.h, timers.c: freeing ooseq pbufs when the pbuf pool is empty implemented
for NO_SYS==1: when not using sys_check_timeouts(), call PBUF_CHECK_FREE_OOSEQ()
at regular intervals from main level.
2011-07-21: Simon Goldschmidt
* etharp.c: fixed bug #33551 (ARP entries may time out although in use) by
sending an ARP request when an ARP entry is used in the last minute before
it would time out.
2011-07-04: Simon Goldschmidt
* sys_arch.txt: Fixed documentation after changing sys arch prototypes for 1.4.0.
2011-06-26: Simon Goldschmidt
* tcp.c: fixed bug #31723 (tcp_kill_prio() kills pcbs with the same prio) by
updating its documentation only.
2011-06-26: Simon Goldschmidt
* mem.c: fixed bug #33545: With MEM_USE_POOLS==1, mem_malloc can return an
unaligned pointer.
2011-06-26: Simon Goldschmidt
* mem.c: fixed bug #33544 "warning in mem.c in lwip 1.4.0 with NO_SYS=1"
2011-05-25: Simon Goldschmidt
* tcp.c: fixed bug #33398 (pointless conversion when checking TCP port range)
(STABLE-1.4.0)
++ New features:
2011-03-27: Simon Goldschmidt
* tcp_impl.h, tcp_in.c, tcp_out.c: Removed 'dataptr' from 'struct tcp_seg' and
calculate it in tcp_zero_window_probe (the only place where it was used).
2010-11-21: Simon Goldschmidt
* dhcp.c/.h: Added a function to deallocate the struct dhcp from a netif
(fixes bug #31525).
2010-07-12: Simon Goldschmidt (patch by Stephane Lesage)
* ip.c, udp.c/.h, pbuf.h, sockets.c: task #10495: Added support for
IP_MULTICAST_LOOP at socket- and raw-API level.
2010-06-16: Simon Goldschmidt
* ip.c: Added an optional define (LWIP_IP_ACCEPT_UDP_PORT) that can allow
link-layer-addressed UDP traffic to be received while a netif is down (just
like DHCP during configuration)
2010-05-22: Simon Goldschmidt
* many many files: bug #27352: removed packing from ip_addr_t, the packed
version is now only used in protocol headers. Added global storage for
current src/dest IP address while in input functions.
2010-05-16: Simon Goldschmidt
* def.h: task #10391: Add preprocessor-macros for compile-time htonl
calculation (and use them throughout the stack where applicable)
2010-05-16: Simon Goldschmidt
* opt.h, memp_std.h, memp.c, ppp_oe.h/.c: PPPoE now uses its own MEMP pool
instead of the heap (moved struct pppoe_softc from ppp_oe.c to ppp_oe.h)
2010-05-16: Simon Goldschmidt
* opt.h, memp_std.h, dns.h/.c: DNS_LOCAL_HOSTLIST_IS_DYNAMIC uses its own
MEMP pool instead of the heap
2010-05-13: Simon Goldschmidt
* tcp.c, udp.c: task #6995: Implement SO_REUSEADDR (correctly), added
new option SO_REUSE_RXTOALL to pass received UDP broadcast/multicast
packets to more than one pcb.
2010-05-02: Simon Goldschmidt
* netbuf.h/.c, sockets.c, api_msg.c: use checksum-on-copy for sending
UDP data for LWIP_NETIF_TX_SINGLE_PBUF==1
2010-04-30: Simon Goldschmidt
* udp.h/.c, pbuf.h/.c: task #6849: added udp_send(_to/_if) functions that
take a precalculated checksum, added pbuf_fill_chksum() to copy data
into a pbuf and at the same time calculating the checksum for that data
2010-04-29: Simon Goldschmidt
* ip_addr.h, etharp.h/.c, autoip.c: Create overridable macros for copying
2-byte-aligned IP addresses and MAC addresses
2010-04-28: Patch by Bill Auerbach
* ip.c: Inline generating IP checksum to save a function call
2010-04-14: Simon Goldschmidt
* tcpip.h/.c, timers.c: Added an overridable define to get informed when the
tcpip_thread processes messages or timeouts to implement a watchdog.
2010-03-28: Simon Goldschmidt
* ip_frag.c: create a new (contiguous) PBUF_RAM for every outgoing
fragment if LWIP_NETIF_TX_SINGLE_PBUF==1
2010-03-27: Simon Goldschmidt
* etharp.c: Speedup TX by moving code from find_entry to etharp_output/
etharp_query to prevent unnecessary function calls (inspired by
patch #7135).
2010-03-20: Simon Goldschmidt
* opt.h, tcpip.c/.h: Added an option to disable tcpip_(un)timeout code
since the linker cannot do this automatically to save space.
2010-03-20: Simon Goldschmidt
* opt.h, etharp.c/.h: Added support for static ARP table entries
2010-03-14: Simon Goldschmidt
* tcp_impl.h, tcp_out.c, inet_chksum.h/.c: task #6849: Calculate checksum
when creating TCP segments, not when (re-)transmitting them.
2010-03-07: Simon Goldschmidt
* sockets.c: bug #28775 (select/event_callback: only check select_cb_list
on change) plus use SYS_LIGHTWEIGHT_PROT to protect the select code.
This should speed up receiving data on sockets as the select code in
event_callback is only executed when select is waiting.
2010-03-06: Simon Goldschmidt
* tcp_out.c: task #7013 (Create option to have all packets delivered to
netif->output in one piece): Always copy to try to create single pbufs
in tcp_write.
2010-03-06: Simon Goldschmidt
* api.h, api_lib.c, sockets.c: task #10167 (sockets: speed up TCP recv
by not allocating a netbuf): added function netconn_recv_tcp_pbuf()
for tcp netconns to receive pbufs, not netbufs; use that function
for tcp sockets.
2010-03-05: Jakob Ole Stoklundsen / Simon Goldschmidt
* opt.h, tcp.h, tcp_impl.h, tcp.c, tcp_in.c, tcp_out.c: task #7040:
Work on tcp_enqueue: Don't waste memory when chaining segments,
added option TCP_OVERSIZE to prevent creating many small pbufs when
calling tcp_write with many small blocks of data. Instead, pbufs are
allocated larger than needed and the space is used for later calls to
tcp_write.
2010-02-21: Simon Goldschmidt
* stats.c/.h: Added const char* name to mem- and memp-stats for easier
debugging.
2010-02-21: Simon Goldschmidt
* tcp.h (and usages), added tcp_impl.h: Splitted API and internal
implementation of tcp to make API usage cleare to application programmers
2010-02-14: Simon Goldschmidt/Stephane Lesage
* ip_addr.h: Improved some defines working on ip addresses, added faster
macro to copy addresses that cannot be NULL
2010-02-13: Simon Goldschmidt
* api.h, api_lib.c, api_msg.c, sockets.c: task #7865 (implement non-
blocking send operation)
2010-02-12: Simon Goldschmidt
* sockets.c/.h: Added a minimal version of posix fctl() to have a
standardised way to set O_NONBLOCK for nonblocking sockets.
2010-02-12: Simon Goldschmidt
* dhcp.c/.h, autoip.c/.h: task #10139 (Prefer statically allocated
memory): added autoip_set_struct() and dhcp_set_struct() to let autoip
and dhcp work with user-allocated structs instead of callin mem_malloc
2010-02-12: Simon Goldschmidt/Jeff Barber
* tcp.c/h: patch #6865 (SO_REUSEADDR for TCP): if pcb.so_options has
SOF_REUSEADDR set, allow binding to endpoint in TIME_WAIT
2010-02-12: Simon Goldschmidt
* sys layer: task #10139 (Prefer statically allocated memory): converted
mbox and semaphore functions to take pointers to sys_mbox_t/sys_sem_t;
converted sys_mbox_new/sys_sem_new to take pointers and return err_t;
task #7212: Add Mutex concept in sys_arch (define LWIP_COMPAT_MUTEX
to let sys.h use binary semaphores instead of mutexes - as before)
2010-02-09: Simon Goldschmidt (Simon Kallweit)
* timers.c/.h: Added function sys_restart_timeouts() from patch #7085
(Restart system timeout handling)
2010-02-09: Simon Goldschmidt
* netif.c/.h, removed loopif.c/.h: task #10153 (Integrate loopif into
netif.c) - loopif does not have to be created by the port any more,
just define LWIP_HAVE_LOOPIF to 1.
2010-02-08: Simon Goldschmidt
* inet.h, ip_addr.c/.h: Added reentrant versions of inet_ntoa/ipaddr_ntoa
inet_ntoa_r/ipaddr_ntoa_r
2010-02-08: Simon Goldschmidt
* netif.h: Added netif_s/get_igmp_mac_filter() macros
2010-02-05: Simon Goldschmidt
* netif.h: Added function-like macros to get/set the hostname on a netif
2010-02-04: Simon Goldschmidt
* nearly every file: Replaced struct ip_addr by typedef ip_addr_t to
make changing the actual implementation behind the typedef easier.
2010-02-01: Simon Goldschmidt
* opt.h, memp_std.h, dns.h, netdb.c, memp.c: Let netdb use a memp pool
for allocating memory when getaddrinfo() is called.
2010-01-31: Simon Goldschmidt
* dhcp.h, dhcp.c: Reworked the code that parses DHCP options: parse
them once instead of parsing for every option. This also removes
the need for mem_malloc from dhcp_recv and makes it possible to
correctly retrieve the BOOTP file.
2010-01-30: simon Goldschmidt
* sockets.c: Use SYS_LIGHTWEIGHT_PROT instead of a semaphore to protect
the sockets array.
2010-01-29: Simon Goldschmidt (patch by Laura Garrett)
* api.h, api_msg.c, sockets.c: Added except set support in select
(patch #6860)
2010-01-29: Simon Goldschmidt (patch by Laura Garrett)
* api.h, sockets.h, err.h, api_lib.c, api_msg.c, sockets.c, err.c:
Add non-blocking support for connect (partly from patch #6860),
plus many cleanups in socket & netconn API.
2010-01-27: Simon Goldschmidt
* opt.h, tcp.h, init.c, api_msg.c: Added TCP_SNDQUEUELOWAT corresponding
to TCP_SNDLOWAT and added tcp_sndqueuelen() - this fixes bug #28605
2010-01-26: Simon Goldschmidt
* snmp: Use memp pools for snmp instead of the heap; added 4 new pools.
2010-01-14: Simon Goldschmidt
* ppp.c/.h: Fixed bug #27856: PPP: Set netif link- and status-callback
by adding ppp_set_netif_statuscallback()/ppp_set_netif_linkcallback()
2010-01-13: Simon Goldschmidt
* mem.c: The heap now may be moved to user-defined memory by defining
LWIP_RAM_HEAP_POINTER as a void pointer to that memory's address
(patch #6966 and bug #26133)
2010-01-10: Simon Goldschmidt (Bill Auerbach)
* opt.h, memp.c: patch #6822 (Add option to place memory pools in
separate arrays)
2010-01-10: Simon Goldschmidt
* init.c, igmp.c: patch #6463 (IGMP - Adding Random Delay): added define
LWIP_RAND() for lwip-wide randomization (to be defined in cc.h)
2009-12-31: Simon Goldschmidt
* tcpip.c, init.c, memp.c, sys.c, memp_std.h, sys.h, tcpip.h
added timers.c/.h: Separated timer implementation from semaphore/mbox
implementation, moved timer implementation to timers.c/.h, timers are
now only called from tcpip_thread or by explicitly checking them.
(TASK#7235)
2009-12-27: Simon Goldschmidt
* opt.h, etharp.h/.c, init.c, tcpip.c: Added an additional option
LWIP_ETHERNET to support ethernet without ARP (necessary for pure PPPoE)
++ Bugfixes:
2011-04-20: Simon Goldschmidt
* sys_arch.txt: sys_arch_timeouts() is not needed any more.
2011-04-13: Simon Goldschmidt
* tcp.c, udp.c: Fixed bug #33048 (Bad range for IP source port numbers) by
using ports in the IANA private/dynamic range (49152 through 65535).
2011-03-29: Simon Goldschmidt, patch by Emil Lhungdahl:
* etharp.h/.c: Fixed broken VLAN support.
2011-03-27: Simon Goldschmidt
* tcp.c: Fixed bug #32926 (TCP_RMV(&tcp_bound_pcbs) is called on unbound tcp
pcbs) by checking if the pcb was bound (local_port != 0).
2011-03-27: Simon Goldschmidt
* ppp.c: Fixed bug #32280 (ppp: a pbuf is freed twice)
2011-03-27: Simon Goldschmidt
* sockets.c: Fixed bug #32906: lwip_connect+lwip_send did not work for udp and
raw pcbs with LWIP_TCPIP_CORE_LOCKING==1.
2011-03-27: Simon Goldschmidt
* tcp_out.c: Fixed bug #32820 (Outgoing TCP connections created before route
is present never times out) by starting retransmission timer before checking
route.
2011-03-22: Simon Goldschmidt
* ppp.c: Fixed bug #32648 (PPP code crashes when terminating a link) by only
calling sio_read_abort() if the file descriptor is valid.
2011-03-14: Simon Goldschmidt
* err.h/.c, sockets.c, api_msg.c: fixed bug #31748 (Calling non-blocking connect
more than once can render a socket useless) since it mainly involves changing
"FATAL" classification of error codes: ERR_USE and ERR_ISCONN just aren't fatal.
2011-03-13: Simon Goldschmidt
* sockets.c: fixed bug #32769 (ESHUTDOWN is linux-specific) by fixing
err_to_errno_table (ERR_CLSD: ENOTCONN instead of ESHUTDOWN), ERR_ISCONN:
use EALRADY instead of -1
2011-03-13: Simon Goldschmidt
* api_lib.c: netconn_accept: return ERR_ABRT instead of ERR_CLSD if the
connection has been aborted by err_tcp (since this is not a normal closing
procedure).
2011-03-13: Simon Goldschmidt
* tcp.c: tcp_bind: return ERR_VAL instead of ERR_ISCONN when trying to bind
with pcb->state != CLOSED
2011-02-17: Simon Goldschmidt
* rawapi.txt: Fixed bug #32561 tcp_poll argument definition out-of-order in
documentation
2011-02-17: Simon Goldschmidt
* many files: Added missing U/UL modifiers to fix 16-bit-arch portability.
2011-01-24: Simon Goldschmidt
* sockets.c: Fixed bug #31741: lwip_select seems to have threading problems
2010-12-02: Simon Goldschmidt
* err.h: Fixed ERR_IS_FATAL so that ERR_WOULDBLOCK is not fatal.
2010-11-23: Simon Goldschmidt
* api.h, api_lib.c, api_msg.c, sockets.c: netconn.recv_avail is only used for
LWIP_SO_RCVBUF and ioctl/FIONREAD.
2010-11-23: Simon Goldschmidt
* etharp.c: Fixed bug #31720: ARP-queueing: RFC 1122 recommends to queue at
least 1 packet -> ARP_QUEUEING==0 now queues the most recent packet.
2010-11-23: Simon Goldschmidt
* tcp_in.c: Fixed bug #30577: tcp_input: don't discard ACK-only packets after
refusing 'refused_data' again.
2010-11-22: Simon Goldschmidt
* sockets.c: Fixed bug #31590: getsockopt(... SO_ERROR ...) gives EINPROGRESS
after a successful nonblocking connection.
2010-11-22: Simon Goldschmidt
* etharp.c: Fixed bug #31722: IP packets sent with an AutoIP source addr
must be sent link-local
2010-11-22: Simon Goldschmidt
* timers.c: patch #7329: tcp_timer_needed prototype was ifdef'ed out for
LWIP_TIMERS==0
2010-11-20: Simon Goldschmidt
* sockets.c: Fixed bug #31170: lwip_setsockopt() does not set socket number
2010-11-20: Simon Goldschmidt
* sockets.h: Fixed bug #31304: Changed SHUT_RD, SHUT_WR and SHUT_RDWR to
resemble other stacks.
2010-11-20: Simon Goldschmidt
* dns.c: Fixed bug #31535: TCP_SND_QUEUELEN must be at least 2 or else
no-copy TCP writes will never succeed.
2010-11-20: Simon Goldschmidt
* dns.c: Fixed bug #31701: Error return value from dns_gethostbyname() does
not match documentation: return ERR_ARG instead of ERR_VAL if not
initialized or wrong argument.
2010-10-20: Simon Goldschmidt
* sockets.h: Fixed bug #31385: sizeof(struct sockaddr) is 30 but should be 16
2010-10-05: Simon Goldschmidt
* dhcp.c: Once again fixed #30038: DHCP/AutoIP cooperation failed when
replugging the network cable after an AutoIP address was assigned.
2010-08-10: Simon Goldschmidt
* tcp.c: Fixed bug #30728: tcp_new_port() did not check listen pcbs
2010-08-03: Simon Goldschmidt
* udp.c, raw.c: Don't chain empty pbufs when sending them (fixes bug #30625)
2010-08-01: Simon Goldschmidt (patch by Greg Renda)
* ppp.c: Applied patch #7264 (PPP protocols are rejected incorrectly on big
endian architectures)
2010-07-28: Simon Goldschmidt
* api_lib.c, api_msg.c, sockets.c, mib2.c: Fixed compilation with TCP or UDP
disabled.
2010-07-27: Simon Goldschmidt
* tcp.c: Fixed bug #30565 (tcp_connect() check bound list): that check did no
harm but never did anything
2010-07-21: Simon Goldschmidt
* ip.c: Fixed invalid fix for bug #30402 (CHECKSUM_GEN_IP_INLINE does not
add IP options)
2010-07-16: Kieran Mansley
* msg_in.c: Fixed SNMP ASN constant defines to not use ! operator
2010-07-10: Simon Goldschmidt
* ip.c: Fixed bug #30402: CHECKSUM_GEN_IP_INLINE does not add IP options
2010-06-30: Simon Goldschmidt
* api_msg.c: fixed bug #30300 (shutdown parameter was not initialized in
netconn_delete)
2010-06-28: Kieran Mansley