From owner-freebsd-net@freebsd.org Thu Jul 16 07:20:34 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 0409F359280 for ; Thu, 16 Jul 2020 07:20:34 +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 4B6lyn0k4nz49Rq for ; Thu, 16 Jul 2020 07:20:32 +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 06G7KGuL013009 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 16 Jul 2020 07:20:19 GMT (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: lutz@donnerhacke.de 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 06G7KGbO078510 (version=TLSv1.2 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT); Thu, 16 Jul 2020 14:20:16 +0700 (+07) (envelope-from eugen@grosbein.net) Subject: Re: [Differential] D25681: if_spppsubr: Define a few LCP options, Recognize (but still reject) multilink PPP config options To: lutz@donnerhacke.de, "freebsd-net@freebsd.org" References: <2207286f8cb07c7ec78a86dcb90d4a32@localhost.localdomain> From: Eugene Grosbein Message-ID: Date: Thu, 16 Jul 2020 14:20:00 +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: <2207286f8cb07c7ec78a86dcb90d4a32@localhost.localdomain> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=0.3 required=5.0 tests=BAYES_00,LOCAL_FROM, NICE_REPLY_A,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 * -0.0 NICE_REPLY_A Looks like a legit reply (A) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on hz.grosbein.net X-Rspamd-Queue-Id: 4B6lyn0k4nz49Rq 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 [-0.78 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.48)[-0.481]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-0.19)[-0.187]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[grosbein.net]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; R_SPF_PERMFAIL(0.00)[empty SPF record]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_SHORT(-0.02)[-0.017]; 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, 16 Jul 2020 07:20:34 -0000 16.07.2020 14:12, lutz_donnerhacke.de (Lutz Donnerhacke) wrote: > > ce(4) for PCI G.703/E1 card, > > cp(4) for PCI V.35/RS-232/RS-530/RS-449/X.21/G.703/E1/E3/T3/STS-1 cards, > > and cx(4)/ctau(4) for some ISA cards but these do not exist in FreeBSD 13 anymore, > > removed by emaste@ recently. > > > > Both ce(4) and cp(4) are i386-only drivers at present. > > Such synchronous lines are still in use (here): > > - G.703 is common in phone systems. > - X.21 for leased lines (with old contracts), > - E1/E3 for SDH (carrier grade) leases lines. > - RS-232 is the ordinary serial port, the other RS- are industry specific serials (mainly other voltages) This is not about lines and protocols, this is about old PCI cards for PCs manufactured 15+ years ago. > But you are right: Do we really need a specialized PPP hardware support these days? > Do we really want to run a recent kernel on this antique hardware? It would be a sacrilege. > > Normal PPP over serial lines (currently available) does work using ppp(4)