option TCP_RFC7413 is not in GENERIC

Ian Lepore ian at freebsd.org
Fri Mar 16 16:12:05 UTC 2018

On Fri, 2018-03-16 at 16:04 +0000, Patrick Kelsey wrote:
> The current thinking is that users who care
> about such performance differences are dealing with extreme workloads that
> already motivate them to compile their own kernels, or are working with
> very resource-constrained platforms, so the way forward is to keep the
> TCP_RFC7413 kernel option around and enable it by default for the
> server-class platforms (armd64 and arm64).

I have no idea what TCP_RFC7413 even is, but I know I was forced to add
it to my kernel config when I installed the bind911 package during a
recent upgrade.  This is on a tiny NUC for which saturating even one of
its gbe interfaces would count as "extreme workload". :)

-- Ian

More information about the freebsd-hackers mailing list