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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:
2015-11-12: Dirk Ziegelmeier
* Decouple SNMP stack from lwIP core and move stack to apps/ directory.
Breaking change: Users have to call snmp_init() now!
2015-11-12: Dirk Ziegelmeier
* Implement possibility to declare private memory pools. This is useful to
decouple some apps from the core (SNMP stack) or make contrib app useage
simpler (httpserver_raw)
2015-10-09: Simon Goldschmidt
* started to move "private" header files containing implementation details to
"lwip/priv/" include directory to seperate the API from the implementation.
2015-10-07: Simon Goldschmidt
* added sntp client as first "supported" application layer protocol implementation
added 'apps' folder
2015-09-30: Dirk Ziegelmeier
* snmp_structs.h, mib_structs.c, mib2.c: snmp: fixed ugly inheritance
implementation by aggregating the "base class" (struct mib_node) in all
derived node classes to get more type-safe code
2015-09-23: Simon Goldschmidt
* netif.h/.c, nd6.c: task #13729: Convert netif addresses (IPv4 & IPv6) to
ip_addr_t (so they can be used without conversion/temporary storage)
2015-09-08: Dirk Ziegelmeier
* snmp: Separate mib2 counter/table callbacks from snmp agent. This both cleans
up the code and should allow integration of a 3rd party agent/mib2. Simple
counters are kept in MIB2_STATS, tree/table change function prototypes moved to
snmp_mib2.h.
2015-09-03: Simon Goldschmidt
* opt.h, dns.h/.c: DNS/IPv6: added support for AAAA records
2015-09-01: Simon Goldschmidt
* task #12178: hardware checksum capabilities can be configured per netif
(use NETIF_SET_CHECKSUM_CTRL() in your netif's init function)
2015-08-30: Simon Goldschmidt
* PBUF_REF with "custom" pbufs is now supported for RX pbufs (see pcapif in
contrib for an example, LWIP_SUPPORT_CUSTOM_PBUF is required)
2015-08-30: Simon Goldschmidt
* support IPv4 source based routing: define LWIP_HOOK_IP4_ROUTE_SRC to point
to a routing function
2015-08-05: Simon Goldschmidt
* many files: allow multicast socket options IP_MULTICAST_TTL, IP_MULTICAST_IF
and IP_MULTICAST_LOOP to be used without IGMP
2015-04-24: Simon Goldschmidt
* dhcp.h/c, autoip.h/.c: added functions dhcp/autoip_supplied_address() to
check for the source of address assignment (replacement for NETIF_FLAG_DHCP)
2015-04-10: Simon Goldschmidt
* many files: task #13480: added LWIP_IPV4 define - IPv4 can be disabled,
leaving an IPv6-only stack
2015-04-09: Simon Goldschmidt
* nearly all files: task #12722 (improve IPv4/v6 address handling): renamed
ip_addr_t to ip4_addr_t, renamed ipX_addr_t to ip_addr_t and added IP
version; ip_addr_t is used for all generic IP addresses for the API,
ip(4/6)_addr_t are only used internally or when initializing netifs or when
calling version-related functions
2015-03-24: Simon Goldschmidt
* opt.h, ip4_addr.h, ip4.c, ip6.c: loopif is not required for loopback traffic
any more but passed through any netif (ENABLE_LOOPBACK has to be enabled)
2015-03-23: Simon Goldschmidt
* opt.h, etharp.c: with ETHARP_TABLE_MATCH_NETIF== 1, duplicate (Auto)-IP
addresses on multiple netifs should now be working correctly (if correctly
addressed by routing, that is)
2015-03-23: Simon Goldschmidt
* etharp.c: Stable etharp entries that are about to expire are now refreshed
using unicast to prevent unnecessary broadcast. Only if no answer is received
after 15 seconds, broadcast is used.
2015-03-06: Philip Gladstone
* netif.h/.c: patch #8359 (Provide utility function to add an IPv6 address to
an interface)
2015-03-05: Simon Goldschmidt
* netif.c, ip4.c, dhcp.c, autoip.c: fixed bug #37068 (netif up/down handling
is unclear): correclty separated administrative status of a netif (up/down)
from 'valid address' status
ATTENTION: netif_set_up() now always has to be called, even when dhcp/autoip
is used!
2015-02-26: patch by TabascoEye
* netif.c, udp.h/.c: fixed bug #40753 (re-bind UDP pcbs on change of IP address)
2015-02-22: chrysn, Simon Goldschmidt
* *.*: Changed nearly all functions taking 'ip(X)_addr_t' pointer to take
const pointers (changed user callbacks: raw_recv_fn, udp_recv_fn; changed
port callbacks: netif_output_fn, netif_igmp_mac_filter_fn)
2015-02-19: Ivan Delamer
* netif.h, dhcp.c: Removed unused netif flag for DHCP. The preferred way to evaluate
if DHCP is active is through netif->dhcp field.
2015-02-19: Ivan Delamer
* netif.h, slipif.c, ppp.c: Removed unused netif flag for point to point connections
2015-02-18: Simon Goldschmidt
* api_lib.c: fixed bug #37958 "netconn API doesn't handle correctly
connections half-closed by peer"
2015-02-18: Simon Goldschmidt
* tcp.c: tcp_alloc() prefers killing CLOSING/LAST_ACK over active connections
(see bug #39565)
2015-02-16: Claudius Zingerli, Sergio Caprile
* opt.h, dhcp.h/.c: patch #8361 "Add support for NTP option in DHCP"
2015-02-14: Simon Goldschmidt
* opt.h, snmp*: added support for write-access community and dedicated
community for sending traps
2015-02-13: Simon Goldschmidt
* opt.h, memp.c: added hook LWIP_HOOK_MEMP_AVAILABLE() to get informed when
a memp pool was empty and an item is now available
2015-02-13: Simon Goldschmidt
* opt.h, pbuf.h/.c, etharp.c: Added the option PBUF_LINK_ENCAPSULATION_HLEN to
allocate additional header space for TX on netifs requiring additional headers
2015-02-12: chrysn
* timers.h/.c: introduce sys_timeouts_sleeptime (returns the time left before
the next timeout is due, for NO_SYS==1)
2015-02-11: Nick van Ijzendoorn
* opt.h, sockets.h/c: patch #7702 "Include ability to increase the socket number
with defined offset"
2015-02-11: Frederick Baksik
* opt.h, def.h, others: patch #8423 "arch/perf.h" should be made an optional item
2015-02-11: Simon Goldschmidt
* api_msg.c, opt.h: started to implement fullduplex sockets/netconns
(note that this is highly unstable yet!)
2015-01-17: Simon Goldschmidt
* api: allow enabling socket API without (public) netconn API - netconn API is
still used by sockets, but keeping it private (static) should allow better
compiler optimizations
2015-01-16: Simon Goldschmidt
* tcp_in.c: fixed bug #20506 "Initial congestion window is very small" again
by implementing the calculation formula from RFC3390
2014-12-10: Simon Goldschmidt
* api: added option LWIP_NETCONN_SEM_PER_THREAD to use a semaphore per thread
instead of using one per netconn and per select call
2014-12-08: Simon Goldschmidt
* ip6.h: fixed bug #43778: IPv6 header version not set on 16-bit platform
(macro IP6H_VTCFL_SET())
2014-12-08: Simon Goldschmidt
* icmp.c, ip4.c, pbuf.c, udp.c, pbuf.h: task #11472 Support PBUF_REF for RX
(IPv6 and IPv4/v6 reassembly might not work yet)
2014-11-06: Simon Goldschmidt
* sockets.c/.h, init.c: lwip_socket_init() is not needed any more
-> compatibility define
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:
2015-11-19: fix by Kerem Hadimli
* sockets.c: fixed bug #46471: lwip_accept() leaks socket descriptors if new
netconn was already closed because of peer behavior
2015-11-12: fix by Valery Ushakov
* tcp_in.c: fixed bug #46365 tcp_accept_null() should call tcp_abort()
2015-10-02: Dirk Ziegelmeier/Simon Goldschmidt
* snmp: cleaned up snmp structs API (fixed race conditions from bug #46089,
reduce ram/rom usage of tables): incompatible change for private MIBs
2015-09-30: Simon Goldschmidt
* ip4_addr.c: fixed bug #46072: ip4addr_aton() does not check the number range
of all address parts
2015-08-28: Simon Goldschmidt
* tcp.c, tcp_in.c: fixed bug #44023: TCP ssthresh value is unclear: ssthresh
is set to the full send window for active open, too, and is updated once
after SYN to ensure the correct send window is used
2015-08-28: Simon Goldschmidt
* tcp: fixed bug #45559: Window scaling casts u32_t to u16_t without checks
2015-08-26: Simon Goldschmidt
* ip6_frag.h/.c: fixed bug bug #41009: IPv6 reassembly broken on 64-bit platforms:
define IPV6_FRAG_COPYHEADER==1 on these platforms to copy the IPv6 header
instead of referencing it, which gives more room for struct ip6_reass_helper
2015-08-25: Simon Goldschmidt
* sockets.c: fixed bug #45827: recvfrom: TCP window is updated with MSG_PEEK
2015-08-20: Manoj Kumar
* snmp_msg.h, msg_in.c: fixed bug #43790: Sending octet string of Length >255
from SNMP agent
2015-08-19: Jens Nielsen
* icmp.c, ip4.c, tcp_in.c, udp.c, raw.c: fixed bug #45120: Broadcast & multiple
interfaces handling
2015-08-19: Simon Goldschmidt (patch by "Sandra")
* dns.c: fixed bug #45004: dns response without answer might be discarded
2015-08-18: Chrysn
* timers.c: patch #8704 fix sys_timeouts_sleeptime function
2015-07-01: Erik Ekman
* puf.c: fixed bug #45454 (pbuf_take_at() skips write and returns OK if offset
is at start of pbuf in chain)
2015-05-19: Simon Goldschmidt
* dhcp.h/.c: fixed bugs #45140 and #45141 (dhcp was not stopped correctly after
fixing bug #38204)
2015-03-21: Simon Goldschmidt (patch by Homyak)
* tcp_in.c: fixed bug #44766 (LWIP_WND_SCALE: tcphdr->wnd was not scaled in
two places)
2015-03-21: Simon Goldschmidt
* tcp_impl.h, tcp.c, tcp_in.c: fixed bug #41318 (Bad memory ref in tcp_input()
after tcp_close())
2015-03-21: Simon Goldschmidt
* tcp_in.c: fixed bug #38468 (tcp_sent() not called on half-open connection for
data ACKed with the same ack as FIN)
2015-03-21: Simon Goldschmidt (patch by Christoffer Lind)
* dhcp.h/.c: fixed bug #38204 (DHCP lease time not handled correctly)
2015-03-20: Simon Goldschmidt
* dhcp.c: fixed bug #38714 (Missing option and client address in DHCPRELEASE message)
2015-03-19: Simon Goldschmidt
* api.h, tcpip.h, api_lib.c, api_msg.c: fixed race conditions in assigning
netconn->last_err (fixed bugs #38121 and #37676)
2015-03-09: Simon Goldschmidt
* ip4.c: fixed the IPv4 part of bug #43904 (ip_route() must detect linkup status)
2015-03-04: Simon Goldschmidt
* nd6.c: fixed bug #43784 (a host should send at least one Router Solicitation)
2015-03-04: Valery Ushakov
* ip6.c: fixed bug #41094 (Byte-order bug in IPv6 fragmentation header test)
2015-03-04: Zach Smith
* nd6.c: fixed bug #38153 (nd6_input() byte order issues)
2015-02-26: Simon Goldschmidt
* netif.c, tcp.h/.c: fixed bug #44378 (TCP connections are not aborted on netif
remove)
2015-02-25: Simon Goldschmidt
* ip4.c, etharp.c: fixed bug #40177 (System hangs when dealing with corrupted
packets), implemented task #12357 (Ensure that malicious packets don't
assert-fail): improved some pbuf_header calls to not assert-fail.
2015-02-25: patch by Joel Cunningham
* udp.h/.c, sockets.c: fixed bug #43028 (IP_MULTICAST_TTL affects unicast
datagrams)
2015-02-25: patch by Greg Renda
* ip4_frag.c: fixed bug #38210 (ip reassembly while remove oldest datagram)
2015-02-25: Simon Goldschmidt
* sockets.c: fixed bug #38165 (socket with mulicast): ensure igmp membership
are dropped when socket (not netconn!) is closed.
2015-02-25: Simon Goldschmidt
* ip4.h/.c, udp.c: fixed bug #38061 (wrong multicast routing in IPv4) by
adding an optional default netif for multicast routing
2015-02-25: Simon Goldschmidt
* netconn API: fixed that netconn_connect still used message passing for
LWIP_TCPIP_CORE_LOCKING==1
2015-02-22: patch by Jens Nielsen
* icmp.c: fixed bug #38803 (Source address in broadcast ping reply)
2015-02-22: Simon Goldschmidt
* udp.h, sockets.c: added proper accessor functions for pcb->multicast_ip
(previously used by get/setsockopt only)
2015-02-18: Simon Goldschmidt
* sockets.c: Fixed select not reporting received FIN as 'readable' in certain
rare cases (bug #43779: select(), close(), and TCP retransmission error)
2015-02-17: Simon Goldschmidt
* err.h, sockets.c, api_msg.c: fixed bug #38853 "connect() use a wrong errno":
return ERR_ALREADY/EALRADY during connect, ERR_ISCONN/EISCONN when already
connected
2015-02-17: Simon Goldschmidt
* tcp_impl.h, tcp_out.c, tcp.c, api_msg.c: fixed bug #37614 "Errors from
ipX_output are not processed". Now tcp_output(_segment) checks for the return
value of ipX_output and does not try to send more on error. A netif driver
can call tcp_txnow() (from tcpip_thread!) to try to send again if TX buffers
are available again.
2015-02-14: patches by Freddie Chopin
* snmp*: made community writable, fixed some const pointers
2015-02-13: Simon Goldschmidt
* msg_in.c: fixed bug #22070 "MIB_OBJECT_WRITE_ONLY not implemented in SNMP"
2015-02-12: Simon Goldschmidt
* ip.h, ip4.c, ip6.c: fixed bug #36403 "ip4_input() and ip6_input() always pass
inp to higher layers": now the accepting netif is passed up, but the input
netif is available through ip_current_input_netif() if required.
2015-02-11: patch by hichard
* tcpip.c: fixed bug #43094 "The function tcpip_input() forget to handle IPv6"
2015-02-10: Simon Goldschmidt
* netconn API: fixed that netconn_close/netconn_delete still used message passing
for LWIP_TCPIP_CORE_LOCKING==1
2015-02-10: Simon Goldschmidt
* netconn/socket api: fixed bug #44225 "closing TCP socket should time out
eventually", implemented task #6930 "Implement SO_LINGER": closing TCP sockets
times out after 20 seconds or after the configured SND_TIMEOUT or depending
on the linger settings.
2015-01-27: Simon Goldschmidt
* api_msg.c: fixed that SHUT_RD followed by SHUT_WR was different to SHUT_RDWR,
fixed return value of lwip_netconn_do_close on unconnected netconns
2015-01-17: Simon Goldschmidt
* sockets.c: fixed bug #43361 select() crashes with stale FDs
2015-01-17: Simon Goldschmidt
* sockets.c/.h, memp_std.h: fixed bug #40788 "lwip_setsockopt_internal() crashes"
by rewriting set/getsockopt functions to combine checks with the actual code
and add more NULL checks; this also fixes that CORE_LOCKING used message
passing for set/getsockopt.
2014-12-19: Simon Goldschmidt
* opt.h, dhcp.h/.c: prevent dhcp from starting when netif link is down (only
when LWIP_DHCP_CHECK_LINK_UP==1, which is disabled by default for
compatibility reasons)
2014-12-17: Simon Goldschmidt
* tcp_out.c: fixed bug #43840 Checksum error for TCP_CHECKSUM_ON_COPY==1 for
no-copy data with odd length
2014-12-10: Simon Goldschmidt
* sockets.c, tcp.c, others: fixed bug #43797 set/getsockopt: SO_SNDTIMEO/SO_RCVTIMEO
take int as option but should take timeval (LWIP_SO_SNDRCVTIMEO_STANDARD==0 can
be used to revert to the old 'winsock' style behaviour)
Fixed implementation of SO_ACCEPTCONN to just look at the pcb state
2014-12-09: Simon Goldschmidt
* ip4.c: fixed bug #43596 IGMP queries from 0.0.0.0 are discarded
2014-10-21: Simon Goldschmidt (patch by Joel Cunningham and Albert Huitsing)
* sockts.c: fixed bugs #41495 Possible threading issue in select() and #43278
event_callback() handle context switch when calling sys_sem_signal()
2014-10-21: Simon Goldschmidt
* api_msg.c: fixed bug #38219 Assert on TCP netconn_write with sndtimeout set
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)