src / sys / netinet

tcp_input.c

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Last Commit: 22 Nov 20
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Sunday 22 Nov 2020
2:08 am

Lucas Holt

Improve the TCP SACK generation by reporting DSACKs

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  2. … 3 more files in changeset.
Monday 16 Mar 2020
10:56 pm

Lucas Holt

Sync with FreeBSD 11-stable.

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    ./tcp_input.c
  2. … 3187 more files in changeset.
Friday 25 May 2018
9:10 am

Lucas Holt

sync with freebsd

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    ./tcp_input.c
  2. … 214 more files in changeset.
Thursday 02 Mar 2017
7:15 pm

Lucas Holt

Simplify and fix a bug in cc_ack_received()'s "are we congestion window limited" logic (refer to [1] for associated discussion). snd_cwnd and snd_wnd are unsigned long and on 64 bit hosts, min() will truncate them to 32 bits and could therefore potentially corrupt the result (although under normal operation, neither variable should legitmately exceed 32 bits).

[1] http://lists.freebsd.org/pipermail/freebsd-net/2013-January/034297.html

Obtained from: FreeBSD 250140

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Saturday 01 Oct 2016
8:59 pm

Lucas Holt

hard revert on network stack code

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  2. … 303 more files in changeset.
Tuesday 27 Sep 2016
12:42 pm

Lucas Holt

merge in TOE update from FreeBSD 252555.

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  2. … 24 more files in changeset.
Sunday 25 Sep 2016
11:19 pm

Lucas Holt

This small change takes care of a race condition that can occur when both sides close at the same time.

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    ./tcp_input.c
Monday 19 Sep 2016
9:34 am

Lucas Holt

handle ipv6 next hop since it is both protocols.

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  2. … 1 more file in changeset.
Sunday 18 Sep 2016
6:01 pm

Lucas Holt

remove the IPFIREWALL_FOWARD kernel option and make it possible to turn on via sysctl.

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    ./tcp_input.c
  2. … 17 more files in changeset.
Wednesday 07 Sep 2016
12:54 pm

Lucas Holt

temporarily revert tcp input changes.

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    ./tcp_input.c
Tuesday 06 Sep 2016
9:07 pm

Lucas Holt

Fix a crash in tcp_input(), that happens when mbuf has a fwd_tag on it, but later after processing and freeing the tag, we need to jump back again to the findpcb label. Since the fwd_tag pointer wasn't NULL we tried to process and free the tag for second time.

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Sunday 04 Sep 2016
5:17 pm

Lucas Holt

add experimental tcp extensions handler

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  2. … 1 more file in changeset.
Tuesday 16 Sep 2014
7:49 pm

Lucas Holt

0.4-RELEASE-p15

20140916:

Fix a security issue with TCP SYN.

When a segment with the SYN flag for an already existing connection arrives,

the TCP stack tears down the connection, bypassing a check that the

sequence number in the segment is in the expected window.

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  2. … 2 more files in changeset.
7:42 pm

Lucas Holt

20140916: Fix a security issue with TCP SYN.

When a segment with the SYN flag for an already existing connection arrives,

the TCP stack tears down the connection, bypassing a check that the

sequence number in the segment is in the expected window.

Obtained from: FreeBSD

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  2. … 2 more files in changeset.
7:41 pm

Lucas Holt

20140916: Fix a security issue with TCP SYN.

When a segment with the SYN flag for an already existing connection arrives,

the TCP stack tears down the connection, bypassing a check that the

sequence number in the segment is in the expected window.

Obtained from: FreeBSD

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  2. … 2 more files in changeset.
Thursday 17 Jan 2013
6:29 pm

Lucas Holt

Fix IPv6 problems.

Make some things in ATA & cam constant.

Fix some bugs in geom

Remove unused files.

Tag.

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  2. … 912 more files in changeset.
Monday 26 Nov 2012
8:44 pm

Lucas Holt

remove unused drivers.

sync several features with freebsd 9 stable

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  2. … 85 more files in changeset.
Tuesday 09 Oct 2012
12:08 am

Lucas Holt

sync with freebsd 9 stable.

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    ./tcp_input.c
  2. … 2449 more files in changeset.
Friday 23 Mar 2012
4:48 pm

Lucas Holt

Major feature merge from FreeBSD 7.1

Introduce FIB (Forward Routing Base) aka multiple routing tables to MidnightBSD. This is the kernel piece with userland to follow later.

As part of this work, changes had to be made to the vm subsystem, rwlocks introduced, changes to sleep queues, and modifications to the pf firewall.

Effectively this gives us most of the functionality of the FreeBSD 7.1 network stack including tcp offload.

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  2. … 339 more files in changeset.
Thursday 31 Mar 2011
10:09 pm

Lucas Holt

Clamp the initial advertised receive window when responding to a SYN/ACK to the maximum allowed window. Growing the window too large would cause an underflow in the calculations in tcp_output() to decide if a window update should be sent which would prevent the persist timer from being started if data was pending and the other end of the connection advertised an initial window size of 0.

Obtained from: FreeBSD

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Tuesday 02 Dec 2008
7:27 pm

Lucas Holt

*** empty log message ***

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  2. … 460 more files in changeset.
Friday 12 Sep 2008
8:54 pm

Lucas Holt

bring in freebsd changes.

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    ./tcp_input.c
  2. … 156 more files in changeset.
Wednesday 14 Mar 2007
10:21 pm

Lucas Holt

f we receive an out of window SYN for an established connection, then ack the syn as required by RFC793

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Tuesday 13 Mar 2007
9:53 pm

Lucas Holt

Disable debugging information.

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  2. … 1 more file in changeset.
Wednesday 07 Feb 2007
10:50 am

Lucas Holt

TCP Auto sizing of socket buffers improves throughput on high latency links. Several new sysctls were added to control the buffers max size, etc.

Additional work is needed, but under initial testing this is working great. You must rebulid world in order for netstat to work correctly.

A few changes were made to netstat, but do not change functionality in any significant way.

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  2. … 13 more files in changeset.
Saturday 06 Jan 2007
11:40 pm

Lucas Holt

Have TCP Inflight disable itself if RTT is too low.

sysctl net.inet.tcp.inflight.rttthresh specifies the threshold in milliseconds below which it will disengage inflight. It defaults to 10ms.

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  2. … 3 more files in changeset.
Friday 24 Feb 2006
9:38 pm

Lucas Holt

This commit was generated by cvs2svn to compensate for changes in r5, which included commits to RCS files with non-trunk default branches.

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  2. … 6005 more files in changeset.