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Subject: Re: making SCTP loadable and removing it from GENERIC
From: Michael Tuexen <tuexen@freebsd.org>
In-Reply-To: <20200709170223.GD8947@raichu>
Date: Thu, 9 Jul 2020 19:16:56 +0200
Cc: Eugene Grosbein <eugen@grosbein.net>,
 freebsd-net@freebsd.org
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To: Mark Johnston <markj@freebsd.org>
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> On 9. Jul 2020, at 19:02, Mark Johnston <markj@freebsd.org> wrote:
>=20
> On Thu, Jul 09, 2020 at 11:36:34PM +0700, Eugene Grosbein wrote:
>> 09.07.2020 22:41, Michael Tuexen wrote:
>>=20
>>>> I am wondering if anyone has any objections to or concerns about =
this
>>>> proposal.  Any feedback is appreciated.
>>=20
>> I'm for it.
>>=20
>>> maybe it is acceptable to document user visible changes. This could =
include
>>> * parameter tunings in /etc/sysctl.conf are only applied if the SCTP =
module
>>>  is loaded from /etc/loader.conf.
>>=20
>> You mean /boot/loader.conf.
>>=20
>> This may be relaxed with "sctp_enable" knob for /etc/rc.conf and new =
startup script
>> /etc/rc.d/sctp that: a) REQUIRE: kld; b) checks if sctp.ko already =
loaded and load it as needed;
>> c) applies sctp sysctl tuning from /etc/sysctl.conf for values that =
differ.
>=20
> Michael and I talked about this a bit in the past.  I propose a more
> general solution, since it is a problem not just for SCTP:
> https://reviews.freebsd.org/D25601

That seems like a perfect solution for the problem!

Best regards
Michael