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1337 Commits

Author SHA1 Message Date
David Goulet
c9232e8f3f Merge branch 'maint-0.4.7' 2022-08-11 09:27:03 -04:00
Mike Perry
432b2e50c9 Tune congestion control parameters. 2022-08-11 09:26:51 -04:00
Mike Perry
0cde7bc6d6 Reduce the number of vegas parameters. 
We need to tune these, but we're not likely to need the subtle differences
between a few of them. Removing them will prevent our consensus parameter
string from becoming too long in the event of tuning.
 2022-08-11 09:26:51 -04:00
Mike Perry
acdc0ecdd4 Reset the min value if we hit cwnd_min. 
This can avoid circuits getting stuck due to an abnormally low min value.
 2022-08-11 09:26:51 -04:00
Mike Perry
4444f5f4ed Use EWMA instead of bare rtt for min rtt. 
This allows us to average out minimums due to lulls in activity a bit more.
 2022-08-11 09:26:51 -04:00
Mike Perry
08c3ee8eca Create slow-start max for n_ewma_cnt. 
Since slow-start now checks every sendme, lower EWMA is better.
 2022-08-11 09:26:51 -04:00
Mike Perry
832a1d9fae Implement RFC3742 Limited Slow Start 
RFC3742 updates the cwnd every sendme during slow start, and backs off of the
exponential growth based on a cap parameter.
 2022-08-11 09:26:51 -04:00
Roger Dingledine
ac306581af fix a few more typos in comments 2022-08-06 21:04:28 -04:00
David Goulet
bf30943cb7 Merge branch 'maint-0.4.7' 2022-08-02 16:14:02 -04:00
David Goulet
eee35adf74 Merge branch 'maint-0.4.6' into maint-0.4.7 2022-08-02 16:14:02 -04:00
David Goulet
5cc6ab0c1e Merge branch 'maint-0.4.5' into maint-0.4.6 2022-08-02 16:14:02 -04:00
David Goulet
10d755ead5 Merge branch 'tor-gitlab/mr/608' into maint-0.4.5 2022-08-02 16:13:58 -04:00
David Goulet
4d3f42a6f2 Merge branch 'maint-0.4.7' 2022-08-02 16:08:50 -04:00
David Goulet
645eff49ac Merge branch 'maint-0.4.6' into maint-0.4.7 2022-08-02 16:08:50 -04:00
David Goulet
e69cf2340b Merge branch 'maint-0.4.5' into maint-0.4.6 2022-08-02 16:08:50 -04:00
David Goulet
6fcae8e0d0 relay: Don't send DESTROY remote reason backward or forward 
Fixes #40649

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2022-08-02 15:53:31 -04:00
David Goulet
f51c68729f Merge branch 'maint-0.4.7' 2022-08-02 15:31:00 -04:00
Mike Perry
533fe36957 Add an underflow check to a cwnd error condition. 2022-08-02 18:13:42 +00:00
David Goulet
0c984e0ec2 conn: Notify btrack subsys on normal OR conn close 
Fixes #40604

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2022-08-01 10:58:40 -04:00
David Goulet
e618a7e445 Merge branch 'maint-0.4.5' into maint-0.4.6 2022-07-27 11:33:19 -04:00
David Goulet
22cb4c23d0 Merge branch 'maint-0.4.7' 2022-07-27 11:33:19 -04:00
David Goulet
7654e12be8 Merge branch 'maint-0.4.6' into maint-0.4.7 2022-07-27 11:33:19 -04:00
David Goulet
691e542fd5 Merge branch 'tor-gitlab/mr/605' into maint-0.4.5 2022-07-27 11:33:16 -04:00
Nick Mathewson
8e7bd96362 Fix a check, make a netflow padding function more safe. 
Previously, `channelpadding_get_netflow_inactive_timeout_ms` would
crash with an assertion failure if `low_timeout` was greater than
`high_timeout`. That wasn't possible in practice because of checks
in `channelpadding_update_padding_for_channel`, but it's better not
to have a function whose correctness is this tricky to prove.

Fixes #40645.  Bugfix on 0.3.1.1-alpha.
 2022-07-27 09:16:50 -04:00
David Goulet
dc13936f20 relay: Use remote reason when sending back a DESTROY 
Fix from previous commit where a DESTROY cell is sent instead of a
TRUNCATED.

Related to #40623

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2022-07-27 08:32:01 -04:00
David Goulet
ce1675ef65 Merge branch 'tor-gitlab/mr/601' 2022-07-26 16:18:04 -04:00
David Goulet
5260b4ef34 Merge branch 'maint-0.4.5' into maint-0.4.6 2022-07-26 16:16:04 -04:00
David Goulet
e98995bb08 Merge branch 'maint-0.4.6' into maint-0.4.7 2022-07-26 16:16:04 -04:00
David Goulet
028f5fd6ea Merge branch 'maint-0.4.7' 2022-07-26 16:16:04 -04:00
David Goulet
ed74c52158 cmux: Remove a log bug that is actually an acceptable race 
Closes #40647

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2022-07-26 16:14:09 -04:00
David Goulet
8d8afc4efa relay: Send DESTROY cell instead of TRUNCATED cell 
Note that with this commit, TRUNCATED cells won't be used anymore that
is client and relays won't emit them.

Fixes #40623

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2022-07-26 14:01:21 -04:00
David Goulet
b7f9a24c08 relay: Remove unused conn->ext_or_conn_id 
This also incidently removes a use of uninitialized stack data from the
connection_or_set_ext_or_identifier() function.

Fixes #40648

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2022-07-26 11:56:33 -04:00
Roger Dingledine
834745929a fix easy typos 2022-07-05 15:18:29 -04:00
David Goulet
331204e100 Revert "cmux: Don't pick a marked for close circuit as active" 
This reverts commit 4f1298e418.
 2022-06-23 10:55:56 -04:00
David Goulet
4f1298e418 cmux: Don't pick a marked for close circuit as active 
Fixes #25312

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2022-06-23 09:44:25 -04:00
David Goulet
7fc474bd3f Merge branch 'maint-0.4.7' 2022-06-17 09:13:31 -04:00
Mike Perry
b0496d4019 Fix for RTT calculation hang during congestion control. 
Only cache RTT on explicit stalls; Only use this cache for the
RTT decrease case. Otherwise use only local circuit RTT state for clock jump
checks.
 2022-06-17 08:56:54 -04:00
David Goulet
1d6470a2a8 Merge branch 'maint-0.4.7' 2022-06-15 12:25:46 -04:00
Mike Perry
84e31c00da Demote "Unexpected path length" log to info. 
You win Maze; we surrender.
 2022-06-15 14:42:37 +00:00
Mike Perry
e41b680f50 Demote a warning about finding hops in path if no dir info. 
Leave it at notice if we do have enough dir info.
 2022-06-15 14:13:09 +00:00
David Goulet
b733f9d6ac Merge branch 'maint-0.4.7' 2022-06-02 16:11:04 -04:00
Mike Perry
9769b77c9b Demote log message to info. 
This log is harmless, and can be common at relays if clients are sending XOFF.
 2022-06-02 18:48:14 +00:00
Alex Xu (Hello71)
87b2ce6f84 Trigger OOS on bind failures (fixes #40597) 2022-05-21 21:30:06 -04:00
David Goulet
0f7a1f0351 Merge branch 'tor-gitlab/mr/561' 2022-05-16 08:45:15 -04:00
Mike Perry
ed3399ab06 Bug 40598: Demote warn log about odd path lengths with congestion control. 2022-04-26 12:14:26 -04:00
Alex Xu (Hello71)
15e95c3bda Use tor_event_free instead of event_del+tor_free 
Using tor_free is wrong; event_free must be called for objects obtained from
event_new. Additionally, this slightly simplifies the code.

Also, add a static_assert to prevent further instances.
 2022-04-20 00:14:25 -04:00
David Goulet
32356a6076 Merge branch 'maint-0.4.5' into maint-0.4.6 2022-04-14 09:37:46 -04:00
David Goulet
dc90226cc3 Merge branch 'tor-gitlab/mr/491' into maint-0.4.5 2022-04-14 09:37:43 -04:00
David Goulet
f64a88e72d Merge branch 'tor-gitlab/mr/490' 2022-03-16 13:35:33 -04:00
Mike Perry
f6f7c4e846 Emit control port notification for XON/XOFF 2022-03-14 15:16:26 -04:00