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213 Commits

Author SHA1 Message Date
Dirk Ziegelmeier
102f5882d5 Fix several CLANG format string warnings 2016-06-25 13:06:31 +02:00
sg
4e241fbf14 some minor improvements to the tcp options checking code 2016-06-13 20:41:58 +02:00
Henrik Persson
b9a2ee8aaa [PATCH] Drop instead of ASSERT in tcp_input header parsing 
Since allowing input validation to trip the ASSERT handler is bad,
let's just drop the packets instead if validation fails.

Signed-off-by: sg <goldsimon@gmx.de>
 2016-06-13 20:08:43 +02:00
sg
27f03798b9 Fixed possible problems with tcp_backlog_delayed/tcp_backlog_accepted 2016-03-25 16:19:39 +01:00
goldsimon
5b0a47ca87 removed unused return values of tcp_listen_input & tcp_timewait_input; fixed unused variable warning 2016-03-24 15:06:31 +01:00
sg
7721b20179 call accept-callback with ERR_MEM when allocating a pcb fails on passive open to inform the application about this error; ATTENTION: applications have to handle NULL pcb in accept callback! 2016-03-23 21:57:38 +01:00
sg
dd80759bb9 tcp: changed accept handling to be done internally: the application does not have to call tcp_accepted() any more. Instead, when delaying accept (e.g. sockets do), call tcp_backlog_delayed()/tcp_backlog_accepted() (fixes bug #46696) 2016-03-22 07:30:44 +01:00
Dirk Ziegelmeier
f9ce31f98b TCP: Implement dual stack support using new IP_ANY_TYPE introduced at UDP 2016-03-02 23:14:33 +01:00
Dirk Ziegelmeier
9885d5d9f5 Apply patch from Simon to fix buffer overflow handling tcp_in.c which was discovered by Coverity 2016-02-29 23:34:52 +01:00
Dirk Ziegelmeier
fd891081c4 minor: Cleanups in raw/tcp/udp code by using macros and reducing #ifdefs 2016-02-24 23:04:25 +01:00
Dirk Ziegelmeier
c805843e64 Change signature of ip_output, ip_output_if, ip_output_if_src, ip_output_hinted, ip_route, ip_netif_get_local_ip, ip_route_get_local_ip and tcp_eff_send_mss not to take an isipv6 parameter. Use the IP version of the destination address instead. 2016-02-22 13:38:40 +01:00
Dirk Ziegelmeier
880f1008d6 Together with Simon: Eliminate last instances of isipv6 member in pcbs; 
Don't allow NULL pointers (IPv4 ANY) in connect() and sendto() functions as destinations since this does not make sense.
 2016-02-22 13:03:51 +01:00
Dirk Ziegelmeier
50303eea23 Reduce PCB_ISIPV6 macro usage some more 2016-02-21 19:59:08 +01:00
Dirk Ziegelmeier
5a25652c21 Eliminate IP_PCB_IPVER_INPUT_MATCH macro 2016-02-21 19:21:36 +01:00
Dirk Ziegelmeier
5809b01388 Reduce usage of PCB IP version flag in raw and tcp code. Maybe we can figure out a good way for dual-stack UDP when we manage to remove the flag (nearly) entirely from the code. 2016-02-20 20:40:04 +01:00
Axel Lin
91586bc6f6 Drop #if TCP_DEBUG guard around tcp_debug_print_state calls 
The #if TCP_DEBUG guard can be removed because tcp_debug_print_state()
print nothing if !TCP_DEBUG.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
 2015-12-02 22:32:42 +01:00
sg
c12fa7b4c4 started to move "private" header files containing implementation details to "lwip/priv/" include directory to seperate the API from the implementation. 2015-10-09 21:58:58 +02:00
goldsimon
b401f42520 minor: fixed coding style (lwip style) 2015-10-07 10:03:12 +02:00
sg
2b971400fa minor: coding style 2015-10-06 21:57:40 +02:00
sg
22df34fc70 minor/coding style: removed spaces before line ending (from file header) 2015-10-06 21:13:15 +02:00
sg
490581a0eb minor/coding style: removed spaces before line ending 2015-10-06 21:08:28 +02:00
sg
6f0dceee09 fixed some printf formatters (mainly for window scaling code) 2015-09-17 21:33:25 +02:00
Joel Cunningham
72b3f3f612 Hook up TCP cachehit stat 
This commit hooks up the TCP cachehit stat to the PCB locality feature
so that when a PCB is moved to the head of the list and a segment comes
in, we consider this a cache hit

This also matches the usage of the cachehit stat in UDP
 2015-09-17 17:02:39 +02:00
goldsimon
8a0fb03e21 Separate mib2 counter/table callbacks from snmp agent. This both cleans up the code and should allow integration of a 3rd party agent/mib2. 2015-09-08 09:47:30 +02:00
sg
aa0e41c389 task #12178: hardware checksum capabilities can be configured per netif (use NETIF_SET_CHECKSUM_CTRL() in your netif's init function) 2015-09-01 22:04:15 +02:00
sg
b9a8310f4b 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 2015-08-30 20:47:17 +02:00
goldsimon
98f98048bc TCP window scaling: don't parse window scaling option on retransmission 2015-08-28 11:23:24 +02:00
goldsimon
06d8dba4a0 fixed bug #45559: Window scaling casts u32_t to u16_t without checks 2015-08-28 09:23:10 +02:00
sg
de8e810792 fixed bug #45120: Broadcast & multiple interfaces handling 2015-08-19 20:55:03 +02:00
goldsimon
11f350e63f Fixed ~ warnings in a different way 2015-08-03 09:10:49 +02:00
goldsimon
4dc3c7a6a0 Fixed warnings about NULL check not required (ip_addr_isany) and implicit conversion (~) 2015-08-03 08:35:01 +02:00
goldsimon
f5077dc982 fixed some more missing casts... 2015-04-22 14:18:54 +02:00
goldsimon
1985579148 fixed compiler warning (signed/unsigned comparison) introduced when fixing bug #44766 2015-04-10 07:46:31 +02:00
sg
ce7e31cd04 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
 2015-04-09 22:21:15 +02:00
goldsimon
4ff1eb1890 fixed bug #44766 (LWIP_WND_SCALE: tcphdr->wnd was not scaled in two places) 2015-04-08 07:29:11 +02:00
sg
33d5e646e5 fixed bug #41318 (Bad memory ref in tcp_input() after tcp_close()) 2015-03-21 21:19:10 +01:00
sg
c00a62d37f fixed bug #38468 (tcp_sent() not called on half-open connection for data ACKed with the same ack as FIN) 2015-03-21 20:56:42 +01:00
Sylvain Rochet
c8587e1242 tcp_in: typo fix. Fixes bug #4458944589. 2015-03-20 13:22:47 +01:00
Clint Sbisa
32f6e7e231 tcp: Fix ooseq processing when seqno is near 2^32 
An edge case in out-of-sequence TCP packet processing did not use the
appropriate macro to check if the sender overran the recieve window.

Consequently, this case sometimes evaluated to true when it shouldn't, which
resulted in various bad behavior, including trying to resize a TCP buffer to 4
gigabytes.
 2015-03-20 08:32:14 +01:00
sg
974a853f40 patch #8423 "arch/perf.h" should be made an optional item 2015-02-11 21:25:47 +01:00
goldsimon
2775fb5a45 fixed bug #20506 "Initial congestion window is very small" again by implementing the calculation formula from RFC3390 2015-01-16 17:38:07 +01:00
Simon Goldschmidt
33237419c1 Parts of patch #8397 Typos corrected in comments and text outputs 2014-09-18 21:15:13 +02:00
Simon Goldschmidt
974f6982a1 fixed bug #37969 SYN packet dropped as short packet in tcp_input function 2014-06-03 21:07:49 +02:00
Simon Goldschmidt
035ecef8a5 Fixed bug #36210 lwIP does not elicit an empty ACK when received unacceptable ACK 2014-04-06 22:40:51 +02:00
Simon Goldschmidt
2f02120fee Fixed typo. 2014-02-20 15:43:51 +01:00
Simon Goldschmidt
751deac9d1 Another fix to window scaling: support queueing more than 64 KByte in ooseq data 2014-02-12 21:34:19 +01:00
Simon Goldschmidt
3273c68b63 Added comments to clarify the LWIP_TCP_TIMESTAMPS option. 2014-02-07 11:46:23 +01:00
Simon Goldschmidt
a44e2190d6 TCP window scaling: change tcp_pcb::acked to u32_t when window scaling is enabled to prevent an overflow when more than 64 Kbytes are ACKed 2014-02-07 11:32:02 +01:00
Simon Goldschmidt
d2a89b424b patch #6537/#7858: TCP window scaling support (OOS queueing still needs special handling) 2014-02-06 22:34:06 +01:00
goldsimon
7d0dab9d7d partly fixed bug #25882: TCP hangs on MSS > pcb->snd_wnd (by not creating segments bigger than half the window) 2012-02-12 14:14:19 +01:00