Hello,
Several fixes in QUIC congestion control found while testing under load. The
biggest issue here is probe-congestion deadlock which caused connection hang.
--
Roman Arutyunyan
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# HG changeset patch
# User Roman Arutyunyan
# Date 1690874404 -14400
# Tue Aug 01 11:20:04 2023 +0400
# Node ID 5b91a40f2dd249000e9208a0152dc5cc0c6ea0c4
# Parent 4f078be6e2ed08643371a3956f5f18f2357a38db
QUIC: avoid accessing freed frame.
Previously the field pnum of a potentially freed fra
# HG changeset patch
# User Roman Arutyunyan
# Date 1690874519 -14400
# Tue Aug 01 11:21:59 2023 +0400
# Node ID 741deb8ff8257914312ab134f3a0b69256c661f4
# Parent a53bbd94a0fa436535ee3bbcb6176befdf47c68a
QUIC: fixed PTO expiration condition.
Previously, PTO handler analyzed the first packet
# HG changeset patch
# User Roman Arutyunyan
# Date 1690874486 -14400
# Tue Aug 01 11:21:26 2023 +0400
# Node ID a53bbd94a0fa436535ee3bbcb6176befdf47c68a
# Parent 5b91a40f2dd249000e9208a0152dc5cc0c6ea0c4
QUIC: eliminated spurious recovery period.
The initial value for recovery_start used to
# HG changeset patch
# User Roman Arutyunyan
# Date 1690874694 -14400
# Tue Aug 01 11:24:54 2023 +0400
# Node ID 80df0852e7ed58631025398694da6dd4dab42611
# Parent cd0ef56b0f1afaa54d7d2756dad2182628445e04
QUIC: ignore blocked status in congestion event handlers.
Sometimes, while congestion w
# HG changeset patch
# User Roman Arutyunyan
# Date 1690873324 -14400
# Tue Aug 01 11:02:04 2023 +0400
# Node ID cd0ef56b0f1afaa54d7d2756dad2182628445e04
# Parent 741deb8ff8257914312ab134f3a0b69256c661f4
QUIC: fixed probe-congestion deadlock.
When probe timeout expired while congestion wind
