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113 commits

Author SHA1 Message Date
Michael Tuexen
25ec355353 Handle integer overflows correctly when converting msecs and secs to 
ticks and vice versa.
These issues were caught by recently added panic() calls on INVARIANTS
systems.

Reported by:		syzbot+b44787b4be7096cd1590@syzkaller.appspotmail.com
Reported by:		syzbot+35f82d22805c1e899685@syzkaller.appspotmail.com
MFC after:		1 week
 2020-03-28 20:25:45 +00:00
Michael Tuexen
d5d190f2f9 Some more uint32_t cleanups, no functional change. 
MFC after:		1 week
 2020-03-27 21:48:52 +00:00
Michael Tuexen
a57fb68b92 More timer cleanups, no functional change. 
MFC after:		1 week
 2020-03-21 16:12:19 +00:00
Michael Tuexen
6fb7b4fbdb Consistently provide arguments for timer start and stop routines. 
This is another step in cleaning up timer handling.
MFC after:		1 week
 2020-03-19 21:01:16 +00:00
Michael Tuexen
e95b3d7faf Cleanup the stream reset and asconf timer. 
MFC after:		1 week
 2020-03-19 18:55:54 +00:00
Michael Tuexen
1a0b021677 Refactor the SHUTDOWN_PENDING state handling. 
This is not a functional change but a preperation for the upcoming
DTrace support. It is necessary to change the state in one
logical operation, even if it involves clearing the sub state
SHUTDOWN_PENDING.

MFC after:		1 month
 2018-08-21 13:25:32 +00:00
Michael Tuexen
839d21d62e Use the stacb instead of the asoc in state macros. 
This is not a functional change. Just a preparation for upcoming
dtrace state change provider support.
 2018-08-13 13:58:45 +00:00
Michael Tuexen
0053ed28ff Whitespace changes due to changes in ident. 2018-07-19 20:16:33 +00:00
Michael Tuexen
b0471b4b95 Revert https://svnweb.freebsd.org/changeset/base/336503 
since I also ran the export script with different parameters.
 2018-07-19 20:11:14 +00:00
Michael Tuexen
7679e49dd4 Whitespace changes due to change if ident. 2018-07-19 19:33:42 +00:00
Pedro F. Giffuni
51369649b0 sys: further adoption of SPDX licensing ID tags. 
Mainly focus on files that use BSD 3-Clause license.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

Special thanks to Wind River for providing access to "The Duke of
Highlander" tool: an older (2014) run over FreeBSD tree was useful as a
starting point.
 2017-11-20 19:43:44 +00:00
Michael Tuexen
4f43a14a85 Don't set the DF-bit on timer based retransmissions. 
MFC after:	1 week
 2017-04-29 09:57:27 +00:00
Michael Tuexen
7858d7cb8e Remove a duplicate debug statement. 
MFC after:	1 week
 2017-01-31 23:34:02 +00:00
Michael Tuexen
b7b84c0e02 Whitespace changes. 
The toolchain for processing the sources has been updated. No functional
change.

MFC after:	3 days
 2016-12-26 11:06:41 +00:00
Michael Tuexen
49656eefc8 Cleanup the names of SSN, SID, TSN, FSN, PPID and MID. 
This made a couple of bugs visible in handling SSN wrap-arounds
when using DATA chunks. Now bulk transfer seems to work fine...
This fixes the issue reported in
https://github.com/sctplab/usrsctp/issues/111

MFC after:	1 week
 2016-12-07 19:30:59 +00:00
Michael Tuexen
5b495f17a5 Whitespace changes. 
The tools using to generate the sources has been updated and produces
different whitespaces. Commit this seperately to avoid intermixing
these with real code changes.

MFC after:	3 days
 2016-12-06 10:21:25 +00:00
Michael Tuexen
a807fe2d83 Cleanup a comment. 
MFC after: 1 week
 2016-05-09 16:35:05 +00:00
Pedro F. Giffuni
cd0a4ff6a5 netinet/sctp*: minor spelling fixes in comments. 
No functional change.

Reviewed by:	tuexen
 2016-05-02 20:56:11 +00:00
Michael Tuexen
9a8e308861 Improve compilation on windows 64-bit (for the userland stack). 
MFC after:	1 week
 2016-03-27 10:04:25 +00:00
Michael Tuexen
815f806b82 Code cleanup which will silence a warning in PVS / D5245. 2016-02-17 18:04:22 +00:00
Michael Tuexen
d96bef9c77 Ensure that outgoing streams get reset when they run dry. 
MFC after:	1 week
 2015-12-03 15:19:29 +00:00
Michael Tuexen
9372530827 Fix the timeout for INIT retransmissions in the case where RTO_MIN is 
smaller than RTO_INITIAL.

MFC after:	1 week
 2015-10-13 18:27:55 +00:00
Michael Tuexen
faadc1b492 Allow the path MTU to grow up to the outgoing interface MTU. 
MFC after: 3 days
 2015-08-14 14:26:13 +00:00
Michael Tuexen
267dbe63a1 Provide consistent error causes whenever an ABORT chunk is sent. 
MFC after:	1 week
 2015-07-27 22:35:54 +00:00
Michael Tuexen
b7d130befc Fix and cleanup the debug information. This has no user-visible changes. 
Thanks to Irene Ruengeler for proving a patch.

MFC after: 3 days
 2015-05-28 16:00:23 +00:00
Michael Tuexen
8f290ed51b Fix a typo. 
MFC after: 1 week
 2015-03-10 09:16:31 +00:00
Michael Tuexen
2010054d91 Code cleanup. 
Reported by:	Coverity
CID:		749578
MFC after:	1 week
 2015-01-19 11:52:08 +00:00
Michael Tuexen
dd973b0e15 Add support for the SCTP_PR_SUPPORTED socket option as specified in 
http://tools.ietf.org/html/draft-ietf-tsvwg-sctp-prpolicies
Add also a sysctl controlling the default of the end-points.

MFC after: 1 week
 2014-08-02 21:36:40 +00:00
Michael Tuexen
4474d71a7b Integrate upstream changes. 
MFC after: 1 week
 2014-07-11 06:52:48 +00:00
Michael Tuexen
ff1ffd7499 * Provide information in error causes in ASCII instead of 
proprietary binary format.
* Add support for a diagnostic information error cause.
  The code is sysctlable and the default is 0, which
  means it is not sent.

This is joint work with rrs@.

MFC after: 1 week
 2014-03-16 12:32:16 +00:00
Michael Tuexen
6ed728108a Terminate a debug output with a \n. 2013-10-29 20:04:50 +00:00
Michael Tuexen
0ddb429900 Remove redundant field pr_sctp_on. 
MFC after: 1 week
 2013-09-03 19:31:59 +00:00
Michael Tuexen
c39cfa1f7e Fix a bug where HEARTBEATs were still sent in SHUTDOWN_SENT or 
SHUTDOWN_ACK_SENT state. While there, make the corresponding
code consistent.

MFC after: 1 week
 2013-02-09 08:27:08 +00:00
Gleb Smirnoff
eb1b1807af Mechanically substitute flags from historic mbuf allocator with 
malloc(9) flags within sys.

Exceptions:

- sys/contrib not touched
- sys/mbuf.h edited manually
 2012-12-05 08:04:20 +00:00
Michael Tuexen
325c8c46b1 Get the accounting working. We now have counters how many 
chunks for each SCTP outgoing stream are in the send and
sent queue.
While there, improve the naming of NR-SACK related constants
recently introduced.

MFC after: 1 week
 2012-11-16 19:39:10 +00:00
Michael Tuexen
a7ad6026e0 Add per outgoing stream accounting for chunks in the send 
and sent queue. This provides no functional change, but is
a preparation for an upcoming stream reset improvement.
Done with rrs@.

MFC after: 1 week
 2012-11-07 22:11:38 +00:00
Michael Tuexen
dd294dcec6 Using %p in a format string requires a void *. 
MFC after: 10 days
 2012-09-05 18:52:01 +00:00
Michael Tuexen
807aad636f Use consistent text at the begining of the files. 
MFC after: 3 days
 2012-05-23 11:26:28 +00:00
Michael Tuexen
1edc9dbae5 Provide in the SCTP_SEND_FAILED and SCTP_SEND_FAILED_EVENT notifications 
the correct ssf_error or ssfe_error as required by RFC 6458.

MFC after: 3 days
 2012-05-13 19:32:49 +00:00
Michael Tuexen
4b1f78e1af Provide the error code in SCTP_PEER_ADDR_CHANGE notifications as 
specified in RFC 6458.

MFC after: 3 days
 2012-05-13 17:36:04 +00:00
Michael Tuexen
a2b42326b5 Provide in the association change notification the received ABORT chunk 
if case of SCTP_COMM_LOST or SCTP_CANT_STR_ASSOC as required by RFC 6458.

MFC after: 3 days
 2012-05-12 20:11:35 +00:00
Michael Tuexen
4dca0ef478 Send always HBs when in PF state. 
MFC after: 1 week
X-MFC with: r234296
 2012-04-14 21:01:44 +00:00
Michael Tuexen
ca7567c923 Bugfix: Don't send HBs on path which are not idle. 
MFC after: 1 week
 2012-04-14 20:22:01 +00:00
Michael Tuexen
60990c0c06 Address issues found by clang. While there, fix also some style 
issues.

MFC after: 3 months.
 2011-12-27 10:16:24 +00:00
Michael Tuexen
7215cc1b74 Fix unused parameter warnings. 
While there, fix some whitespace issues.

MFC after: 3 months.
 2011-12-17 19:21:40 +00:00
Michael Tuexen
ca85e9482a The result of a joint work between rrs@ and myself at the IETF: 
* Decouple the path supervision using a separate HB timer per path.
* Add support for potentially failed state.
* Bring back RTO.min to 1 second.
* Accept packets on IP-addresses already announced via an ASCONF
* While there: do some cleanups.

Approved by: re@
MFC after: 2 months.
 2011-08-03 20:21:00 +00:00
Michael Tuexen
689e6a5fa3 Fix a locking issue showing up on Mac OS X when subscribing to 
authentication events. DTLS/SCTP renegotiations trigger the bug.

MFC after: 2 weeks.
 2011-05-08 09:11:59 +00:00
Randall Stewart
f79aab1866 Tunes and fixes the new DC-CC to seem to hit the 
right mix.  Still may need some tweaks but it
appears to almost not give away too much to an
RFC2581 flow, but can really minimize the amount of
buffers used in the net.

MFC after:	3 months
 2011-03-08 11:58:25 +00:00
Randall Stewart
299108c5a2 Improvements to CC modules: 
1) Add four new points that allow you to get more information
   to cc algo's
2) Fix the case where user changes module on a existing TCB, in
   such a case, the initialization module needs to be called on all nets.
3) Move htcp_cc structure to a union that other modules can use.
4) Add 5th point for get/set socket options for cc_module specific options

MFC after:	2 months
 2011-02-26 15:23:46 +00:00
Michael Tuexen
0191fb6de2 * Fix several bugs where the scaled versions of srtt and rttvar 
where used incorrectly.
* Use appropriate variable names for RTO instead of RTT.

MFC after: 3 months.
 2011-02-24 22:58:15 +00:00