changelog

lwip-1.4.0

  * tcp.h: BUG26879: set ret value in TCP_EVENT macros when function is not set

  2009-06-25 Kieran Mansley
  * tcp.c, tcp_in.c, tcp_out.c, tcp.h: BUG26301 and BUG26267: correct
    simultaneous close behaviour, and make snd_nxt have the same meaning 
    as in the RFCs.

  2009-05-12 Simon Goldschmidt
  * etharp.h, etharp.c, netif.c: fixed bug #26507: "Gratuitous ARP depends on
    arp_table / uses etharp_query" by adding etharp_gratuitous()

  2009-05-12 Simon Goldschmidt
  * ip.h, ip.c, igmp.c: bug #26487: Added ip_output_if_opt that can add IP options
    to the IP header (used by igmp_ip_output_if)

  2009-05-06 Simon Goldschmidt
  * inet_chksum.c: On little endian architectures, use LWIP_PLATFORM_HTONS (if
    defined) for SWAP_BYTES_IN_WORD to speed up checksumming.

  2009-05-05 Simon Goldschmidt
  * sockets.c: bug #26405: Prematurely released semaphore causes lwip_select()
    to crash

  2009-05-04 Simon Goldschmidt
  * init.c: snmp was not initialized in lwip_init()

  2009-05-04 Fr閐閞ic Bernon
  * dhcp.c, netbios.c: Changes if IP_SOF_BROADCAST is enabled.

  2009-05-03 Simon Goldschmidt
  * tcp.h: bug #26349: Nagle algorithm doesn't send although segment is full
    (and unsent->next == NULL)

  2009-05-02 Simon Goldschmidt
  * tcpip.h, tcpip.c: fixed tcpip_untimeout (does not need the time, broken after
    1.3.0 in CVS only) - fixes compilation of ppp_oe.c

  2009-05-02 Simon Goldschmidt
  * msg_in.c: fixed bug #25636: SNMPSET value is ignored for integer fields

  2009-05-01 Simon Goldschmidt
  * pap.c: bug #21680: PPP upap_rauthnak() drops legal NAK packets

  2009-05-01 Simon Goldschmidt
  * ppp.c: bug #24228: Memory corruption with PPP and DHCP

  2009-04-29 Fr閐閞ic Bernon
  * raw.c, udp.c, init.c, opt.h, ip.h, sockets.h: bug #26309: Implement the
    SO(F)_BROADCAST filter for all API layers. Avoid the unindented reception
    of broadcast packets even when this option wasn't set. Port maintainers
    which want to enable this filter have to set IP_SOF_BROADCAST=1 in opt.h.
    If you want this option also filter broadcast on recv operations, you also
    have to set IP_SOF_BROADCAST_RECV=1 in opt.h.

  2009-04-28 Simon Goldschmidt, Jakob Stoklund Olesen
  * dhcp.c: patch #6721, bugs #25575, #25576: Some small fixes to DHCP and
    DHCP/AUTOIP cooperation

  2009-04-25 Simon Goldschmidt, Oleg Tyshev
  * tcp_out.c: bug #24212: Deadlocked tcp_retransmit due to exceeded pcb->cwnd
    Fixed by sorting the unsent and unacked queues (segments are inserted at the
    right place in tcp_output and tcp_rexmit).

  2009-04-25 Simon Goldschmidt
  * memp.c, mem.c, memp.h, mem_std.h: bug #26213 "Problem with memory allocation
    when debugging": memp_sizes contained the wrong sizes (including sanity
    regions); memp pools for MEM_USE_POOLS were too small

  2009-04-24 Simon Goldschmidt, Fr閐閞ic Bernon
  * inet.c: patch #6765: Fix a small problem with the last changes (incorrect
    behavior, with with ip address string not ended by a '\0', a space or a
    end of line)

  2009-04-19 Simon Goldschmidt
  * rawapi.txt: Fixed bug #26069: Corrected documentation: if tcp_connect fails,
    pcb->err is called, not pcb->connected (with an error code).

  2009-04-19 Simon Goldschmidt
  * tcp_out.c: Fixed bug #26236: "TCP options (timestamp) don't work with
    no-copy-tcpwrite": deallocate option data, only concat segments with same flags

  2009-04-19 Simon Goldschmidt
  * tcp_out.c: Fixed bug #25094: "Zero-length pbuf" (options are now allocated
    in the header pbuf, not the data pbuf)

  2009-04-18 Simon Goldschmidt
  * api_msg.c: fixed bug #25695: Segmentation fault in do_writemore()

  2009-04-15 Simon Goldschmidt
  * sockets.c: tried to fix bug #23559: lwip_recvfrom problem with tcp

  2009-04-15 Simon Goldschmidt
  * dhcp.c: task #9192: mem_free of dhcp->options_in and dhcp->msg_in

  2009-04-15 Simon Goldschmidt
  * ip.c, ip6.c, tcp_out.c, ip.h: patch #6808: Add a utility function
    ip_hinted_output() (for smaller code mainly)

  2009-04-15 Simon Goldschmidt
  * inet.c: patch #6765: Supporting new line characters in inet_aton()

  2009-04-15 Simon Goldschmidt
  * dhcp.c: patch #6764: DHCP rebind and renew did not send hostnam option;
    Converted constant OPTION_MAX_MSG_SIZE to netif->mtu, check if netif->mtu
    is big enough in dhcp_start

  2009-04-15 Simon Goldschmidt
  * netbuf.c: bug #26027: netbuf_chain resulted in pbuf memory leak

  2009-04-15 Simon Goldschmidt
  * sockets.c, ppp.c: bug #25763: corrected 4 occurrences of SMEMCPY to MEMCPY

  2009-04-15 Simon Goldschmidt
  * sockets.c: bug #26121: set_errno can be overridden

  2009-04-09 Kieran Mansley (patch from Luca Ceresoli <lucaceresoli>)
  * init.c, opt.h: Patch#6774 TCP_QUEUE_OOSEQ breaks compilation when
    LWIP_TCP==0

  2009-04-09 Kieran Mansley (patch from Roy Lee <roylee17>)
  * tcp.h: Patch#6802 Add do-while-clauses to those function like
    macros in tcp.h

  2009-03-31 Kieran Mansley
  * tcp.c, tcp_in.c, tcp_out.c, tcp.h, opt.h: Rework the way window
    updates are calculated and sent (BUG20515)

  * tcp_in.c: cope with SYN packets received during established states,
    and retransmission of initial SYN.

  * tcp_out.c: set push bit correctly when tcp segments are merged

  2009-03-27 Kieran Mansley
  * tcp_out.c set window correctly on probes (correcting change made
    yesterday)

  2009-03-26 Kieran Mansley
  * tcp.c, tcp_in.c, tcp.h: add tcp_abandon() to cope with dropping
    connections where no reset required (bug #25622)

  * tcp_out.c: set TCP_ACK flag on keepalive and zero window probes 
    (bug #20779)

  2009-02-18 Simon Goldschmidt (Jonathan Larmour and Bill Auerbach)
  * ip_frag.c: patch #6528: the buffer used for IP_FRAG_USES_STATIC_BUF could be
    too small depending on MEM_ALIGNMENT

  2009-02-16 Simon Goldschmidt
  * sockets.h/.c, api_*.h/.c: fixed arguments of socket functions to match the standard;
    converted size argument of netconn_write to 'size_t'

  2009-02-16 Simon Goldschmidt
  * tcp.h, tcp.c: fixed bug #24440: TCP connection close problem on 64-bit host
    by moving accept callback function pointer to TCP_PCB_COMMON

  2009-02-12 Simon Goldschmidt
  * dhcp.c: fixed bug #25345 (DHCPDECLINE is sent with "Maximum message size"
    option)

  2009-02-11 Simon Goldschmidt
  * dhcp.c: fixed bug #24480 (releasing old udp_pdb and pbuf in dhcp_start)

  2009-02-11 Simon Goldschmidt
  * opt.h, api_msg.c: added configurable default valud for netconn->recv_bufsize:
    RECV_BUFSIZE_DEFAULT (fixes bug #23726: pbuf pool exhaustion on slow recv())

  2009-02-10 Simon Goldschmidt
  * tcp.c: fixed bug #25467: Listen backlog is not reset on timeout in SYN_RCVD:
    Accepts_pending is decrease on a corresponding listen pcb when a connection
    in state SYN_RCVD is close.

  2009-01-28 Jonathan Larmour
  * pbuf.c: reclaim pbufs from TCP out-of-sequence segments if we run
    out of pool pbufs.

  2008-12-19 Simon Goldschmidt
  * many files: patch #6699: fixed some warnings on platform where sizeof(int) == 2 

  2008-12-10 Tamas Somogyi, Fr閐閞ic Bernon
  * sockets.c: fixed bug #25051: lwip_recvfrom problem with udp: fromaddr and
    port uses deleted netbuf.

  2008-10-18 Simon Goldschmidt
  * tcp_in.c: fixed bug ##24596: Vulnerability on faulty TCP options length
    in tcp_parseopt

  2008-10-15 Simon Goldschmidt
  * ip_frag.c: fixed bug #24517: IP reassembly crashes on unaligned IP headers
    by packing the struct ip_reass_helper.

  2008-10-03 David Woodhouse, Jonathan Larmour
  * etharp.c (etharp_arp_input): Fix type aliasing problem copying ip address.

  2008-10-02 Jonathan Larmour
  * dns.c: Hard-code structure sizes, to avoid issues on some compilers where
    padding is included.

  2008-09-30 Jonathan Larmour
  * sockets.c (lwip_accept): check addr isn't NULL. If it's valid, do an
    assertion check that addrlen isn't NULL.

  2008-09-30 Jonathan Larmour
  * tcp.c: Fix bug #24227, wrong error message in tcp_bind.

  2008-08-26 Simon Goldschmidt
  * inet.h, ip_addr.h: fixed bug #24132: Cross-dependency between ip_addr.h and
    inet.h -> moved declaration of struct in_addr from ip_addr.h to inet.h

  2008-08-14 Simon Goldschmidt
  * api_msg.c: fixed bug #23847: do_close_internal references freed memory (when
    tcp_close returns != ERR_OK)

  2008-07-08 Fr閐閞ic Bernon
  * stats.h: Fix some build bugs introduced with patch #6483 (missing some parameters
    in macros, mainly if MEM_STATS=0 and MEMP_STATS=0).

  2008-06-24 Jonathan Larmour
  * tcp_in.c: Fix for bug #23693 as suggested by Art R. Ensure cseg is unused
    if tcp_seg_copy fails.

  2008-06-17 Simon Goldschmidt
  * inet_chksum.c: Checked in some ideas of patch #6460 (loop optimizations)
    and created defines for swapping bytes and folding u32 to u16.

  2008-05-30 Kieran Mansley
  * tcp_in.c Remove redundant "if" statement, and use real rcv_wnd
    rather than rcv_ann_wnd when deciding if packets are in-window.
    Contributed by <[e-mail]>

  2008-05-30 Kieran Mansley
  * mem.h: Fix BUG#23254.  Change macro definition of mem_* to allow
    passing as function pointers when MEM_LIBC_MALLOC is defined.

  2008-05-09 Jonathan Larmour
  * err.h, err.c, sockets.c: Fix bug #23119: Reorder timeout error code to
    stop it being treated as a fatal error.

  2008-04-15 Simon Goldschmidt
  * dhcp.c: fixed bug #22804: dhcp_stop doesn't clear NETIF_FLAG_DHCP
    (flag now cleared)

  2008-03-27 Simon Goldschmidt
  * mem.c, tcpip.c, tcpip.h, opt.h: fixed bug #21433 (Calling mem_free/pbuf_free
    from interrupt context isn't safe): set LWIP_USE_HEAP_FROM_INTERRUPT to 1
    in lwipopts.h or use pbuf_free_callback(p)/mem_free_callback(m) to free pbufs
    or heap memory from interrupt context

  2008-03-26 Simon Goldschmidt
  * tcp_in.c, tcp.c: fixed bug #22249: division by zero could occur if a remote
    host sent a zero mss as TCP option.


(STABLE-1.3.0)

  ++ New features:

  2008-03-10 Jonathan Larmour
  * inet_chksum.c: Allow choice of one of the sample algorithms to be
    made from lwipopts.h. Fix comment on how to override LWIP_CHKSUM.

  2008-01-22 Fr閐閞ic Bernon
  * tcp.c, tcp_in.c, tcp.h, opt.h: Rename LWIP_CALCULATE_EFF_SEND_MSS in 
    TCP_CALCULATE_EFF_SEND_MSS to have coherent TCP options names.

  2008-01-14 Fr閐閞ic Bernon
  * rawapi.txt, api_msg.c, tcp.c, tcp_in.c, tcp.h: changes for task #7675 "Enable
    to refuse data on a TCP_EVENT_RECV call". Important, behavior changes for the
    tcp_recv callback (see rawapi.txt).

  2008-01-14 Fr閐閞ic Bernon, Marc Chaland
  * ip.c: Integrate patch #6369" ip_input : checking before realloc".
  
  2008-01-12 Fr閐閞ic Bernon
  * tcpip.h, tcpip.c, api.h, api_lib.c, api_msg.c, sockets.c: replace the field
    netconn::sem per netconn::op_completed like suggested for the task #7490
    "Add return value to sys_mbox_post".

  2008-01-12 Fr閐閞ic Bernon
  * api_msg.c, opt.h: replace DEFAULT_RECVMBOX_SIZE per DEFAULT_TCP_RECVMBOX_SIZE,
    DEFAULT_UDP_RECVMBOX_SIZE and DEFAULT_RAW_RECVMBOX_SIZE (to optimize queues
    sizes), like suggested for the task #7490 "Add return value to sys_mbox_post".

  2008-01-10 Fr閐閞ic Bernon
  * tcpip.h, tcpip.c: add tcpip_callback_with_block function for the task #7490
    "Add return value to sys_mbox_post". tcpip_callback is always defined as
    "blocking" ("block" parameter = 1).

  2008-01-10 Fr閐閞ic Bernon
  * tcpip.h, tcpip.c, api.h, api_lib.c, api_msg.c, sockets.c: replace the field
    netconn::mbox (sys_mbox_t) per netconn::sem (sys_sem_t) for the task #7490
    "Add return value to sys_mbox_post".

  2008-01-05 Fr閐閞ic Bernon
  * sys_arch.txt, api.h, api_lib.c, api_msg.h, api_msg.c, tcpip.c, sys.h, opt.h:
    Introduce changes for task #7490 "Add return value to sys_mbox_post" with some
    modifications in the sys_mbox api: sys_mbox_new take a "size" parameters which
    indicate the number of pointers query by the mailbox. There is three defines
    in opt.h to indicate sizes for tcpip::mbox, netconn::recvmbox, and for the 
    netconn::acceptmbox. Port maintainers, you can decide to just add this new 
    parameter in your implementation, but to ignore it to keep the previous behavior.
    The new sys_mbox_trypost function return a value to know if the mailbox is
    full or if the message is posted. Take a look to sys_arch.txt for more details.
    This new function is used in tcpip_input (so, can be called in an interrupt
    context since the function is not blocking), and in recv_udp and recv_raw.

  2008-01-04 Fr閐閞ic Bernon, Simon Goldschmidt, Jonathan Larmour
  * rawapi.txt, api.h, api_lib.c, api_msg.h, api_msg.c, sockets.c, tcp.h, tcp.c,
    tcp_in.c, init.c, opt.h: rename backlog options with TCP_ prefix, limit the
    "backlog" parameter in an u8_t, 0 is interpreted as "smallest queue", add
    documentation in the rawapi.txt file.

  2007-12-31 Kieran Mansley (based on patch from Per-Henrik Lundbolm)
  * tcp.c, tcp_in.c, tcp_out.c, tcp.h: Add TCP persist timer