From owner-freebsd-net@freebsd.org Thu Jul 9 16:37:01 2020 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 3B8DA36F883 for ; Thu, 9 Jul 2020 16:37:01 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from hz.grosbein.net (hz.grosbein.net [IPv6:2a01:4f8:c2c:26d8::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hz.grosbein.net", Issuer "hz.grosbein.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4B2hf42ng6z4GP1; Thu, 9 Jul 2020 16:36:59 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (eg.sd.rdtc.ru [IPv6:2a03:3100:c:13:0:0:0:5]) by hz.grosbein.net (8.15.2/8.15.2) with ESMTPS id 069GamfV083402 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 9 Jul 2020 16:36:50 GMT (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: tuexen@freebsd.org Received: from [10.58.0.10] (dadvw [10.58.0.10]) by eg.sd.rdtc.ru (8.15.2/8.15.2) with ESMTPS id 069Gai9Q089899 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT); Thu, 9 Jul 2020 23:36:44 +0700 (+07) (envelope-from eugen@grosbein.net) Subject: Re: making SCTP loadable and removing it from GENERIC To: Michael Tuexen , Mark Johnston References: <20200709151300.GC8947@raichu> Cc: freebsd-net@freebsd.org From: Eugene Grosbein Message-ID: <1a425cce-4905-1d2f-d5ee-cbeb1c300afc@grosbein.net> Date: Thu, 9 Jul 2020 23:36:34 +0700 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=0.3 required=5.0 tests=BAYES_00,LOCAL_FROM, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.2 X-Spam-Report: * -2.3 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * -0.0 SPF_PASS SPF: sender matches SPF record * 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record * 2.6 LOCAL_FROM From my domains X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on hz.grosbein.net X-Rspamd-Queue-Id: 4B2hf42ng6z4GP1 X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=permerror (mx1.freebsd.org: domain of eugen@grosbein.net uses mechanism not recognized by this client) smtp.mailfrom=eugen@grosbein.net X-Spamd-Result: default: False [-0.09 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.13)[-0.127]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[grosbein.net]; NEURAL_HAM_LONG(-0.24)[-0.239]; NEURAL_SPAM_SHORT(0.38)[0.376]; RCVD_COUNT_THREE(0.00)[3]; R_SPF_PERMFAIL(0.00)[empty SPF record]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/29, country:DE]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Jul 2020 16:37:01 -0000 09.07.2020 22:41, Michael Tuexen wrote: >> I am wondering if anyone has any objections to or concerns about this >> proposal. Any feedback is appreciated. I'm for it. > 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. You mean /boot/loader.conf. 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. > * If the module is not loaded yet, a user must have root privileges to run > a program using SCTP sockets.