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qc_set_timer() function is used to rearm the timer for loss detection and probing. Previously, timer was always rearm when congestion window was free due to a wrong interpretation of the RFC which mandates the client to rearm the timer before handshake completion to avoid a deadlock related to anti-amplification. Fix this by removing this code from quic_pto_pktns(). This allows qc_set_timer() to be reentrant and only activate the timer if needed. The impact of this bug seems limited. It can probably caused the timer task to be processed too frequently which could caused too frequent probing. This change will allow to reuse easily qc_set_timer() after quic_conn thread migration. As such, the new timer task will be scheduled only if needed. This should be backported up to 2.6.
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)