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Fri, 17 Nov 2023 08:29:34 -0500 (EST) Date: Fri, 17 Nov 2023 13:29:31 +0000 From: void To: freebsd-current@freebsd.org Subject: Re: Request for Testing: TCP RACK Message-ID: Mail-Followup-To: freebsd-current@freebsd.org References: <42C327BD-6CE4-43AA-A1AE-3BEC08D623DB@freebsd.org> List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <42C327BD-6CE4-43AA-A1AE-3BEC08D623DB@freebsd.org> X-Spamd-Result: default: False [-4.70 / 15.00]; DWL_DNSWL_LOW(-1.00)[messagingengine.com:dkim]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; MID_RHS_NOT_FQDN(0.50)[]; DMARC_POLICY_ALLOW(-0.50)[f-m.fm,none]; R_DKIM_ALLOW(-0.20)[f-m.fm:s=fm1,messagingengine.com:s=fm1]; R_SPF_ALLOW(-0.20)[+ip4:66.111.4.26]; MIME_GOOD(-0.10)[text/plain]; RWL_MAILSPIKE_GOOD(-0.10)[66.111.4.26:from]; RCVD_IN_DNSWL_LOW(-0.10)[66.111.4.26:from]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; ARC_NA(0.00)[]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:19151, ipnet:66.111.4.0/24, country:US]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_NONE(0.00)[]; FREEMAIL_FROM(0.00)[f-m.fm]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org]; DKIM_TRACE(0.00)[f-m.fm:+,messagingengine.com:+]; MIME_TRACE(0.00)[0:+]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_ENVFROM(0.00)[f-m.fm]; RCVD_VIA_SMTP_AUTH(0.00)[] X-Rspamd-Queue-Id: 4SWyS10R4bz3V3T X-Spamd-Bar: ---- On Thu, Nov 16, 2023 at 10:13:05AM +0100, tuexen@freebsd.org wrote: >You can load the kernel module using >kldload tcp_rack > >You can make the RACK stack the default stack using >sysctl net.inet.tcp.functions_default=rack Hi, thank you for this. https://klarasystems.com/articles/using-the-freebsd-rack-tcp-stack/ mentions this needs to be set in /etc/src.conf : WITH_EXTRA_TCP_STACKS=1 Is this still the case? Context here is -current both in a vm and bare metal, on various machines, on various connections, from DSL to 10Gb. Is there a method (yet) for enabling this functionality in various -RELENG maybe where one can compile in a vm built for that purpose, then transferring to the production vm? Would it be expected to work on arm64? What testing would you like doing? --