From owner-svn-src-head@freebsd.org Mon Apr 13 05:58:25 2020 Return-Path: Delivered-To: svn-src-head@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 591442B3A07 for ; Mon, 13 Apr 2020 05:58:25 +0000 (UTC) (envelope-from jmg@gold.funkthat.com) Received: from gold.funkthat.com (gate2.funkthat.com [208.87.223.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "gate2.funkthat.com", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 490ybN4gldz47l2 for ; Mon, 13 Apr 2020 05:58:24 +0000 (UTC) (envelope-from jmg@gold.funkthat.com) Received: from gold.funkthat.com (localhost [127.0.0.1]) by gold.funkthat.com (8.15.2/8.15.2) with ESMTPS id 03D5w8Kx015346 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sun, 12 Apr 2020 22:58:08 -0700 (PDT) (envelope-from jmg@gold.funkthat.com) Received: (from jmg@localhost) by gold.funkthat.com (8.15.2/8.15.2/Submit) id 03D5w83F015345; Sun, 12 Apr 2020 22:58:08 -0700 (PDT) (envelope-from jmg) Date: Sun, 12 Apr 2020 22:58:08 -0700 From: John-Mark Gurney To: Alexey Dokuchaev Cc: d@delphij.net, John Baldwin , src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org, Xin Li Subject: Re: svn commit: r359374 - in head: . share/man/man4 share/man/man7 share/man/man9 sys/crypto/aesni sys/crypto/armv8 sys/crypto/blake2 sys/crypto/ccp sys/crypto/via sys/dev/cesa sys/dev/cxgbe sys/dev/cx... Message-ID: <20200413055808.GP4213@funkthat.com> Mail-Followup-To: Alexey Dokuchaev , d@delphij.net, John Baldwin , src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org, Xin Li References: <202003271825.02RIPOmR010857@repo.freebsd.org> <9c343572-5bf6-7047-f435-8e3fcffa8f8e@delphij.net> <20200413043221.GA60842@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200413043221.GA60842@FreeBSD.org> X-Operating-System: FreeBSD 11.3-STABLE amd64 X-PGP-Fingerprint: D87A 235F FB71 1F3F 55B7 ED9B D5FF 5A51 C0AC 3D65 X-Files: The truth is out there X-URL: https://www.funkthat.com/ X-Resume: https://www.funkthat.com/~jmg/resume.html X-TipJar: bitcoin:13Qmb6AeTgQecazTWph4XasEsP7nGRbAPE X-to-the-FBI-CIA-and-NSA: HI! HOW YA DOIN? can i haz chizburger? User-Agent: Mutt/1.6.1 (2016-04-27) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3 (gold.funkthat.com [127.0.0.1]); Sun, 12 Apr 2020 22:58:09 -0700 (PDT) X-Rspamd-Queue-Id: 490ybN4gldz47l2 X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of jmg@gold.funkthat.com has no SPF policy when checking 208.87.223.18) smtp.mailfrom=jmg@gold.funkthat.com X-Spamd-Result: default: False [-1.14 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.87)[-0.867,0]; RCVD_TLS_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; IP_SCORE(-0.51)[ip: (-1.32), ipnet: 208.87.216.0/21(-0.66), asn: 32354(-0.53), country: US(-0.05)]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[funkthat.com]; AUTH_NA(1.00)[]; NEURAL_HAM_LONG(-0.96)[-0.962,0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCPT_COUNT_SEVEN(0.00)[7]; R_SPF_NA(0.00)[]; FORGED_SENDER(0.30)[jmg@funkthat.com,jmg@gold.funkthat.com]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:32354, ipnet:208.87.216.0/21, country:US]; FROM_NEQ_ENVFROM(0.00)[jmg@funkthat.com,jmg@gold.funkthat.com]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Apr 2020 05:58:25 -0000 Alexey Dokuchaev wrote this message on Mon, Apr 13, 2020 at 04:32 +0000: > On Sun, Apr 12, 2020 at 01:08:49PM -0700, Xin Li via svn-src-all wrote: > > On 3/27/20 11:25 AM, John Baldwin wrote: > > > - Drivers no longer register a list of supported algorithms. [...] > > > > For user-visible interface, it seems like we are essentially treating > > "accelerated software" like AES-NI the same way of plain software. For > > example, geom_eli would now say: > > > > GEOM_ELI: Encryption: AES-XTS 128 > > GEOM_ELI: Crypto: software > > > > Instead of: > > > > GEOM_ELI: Encryption: AES-XTS 128 > > GEOM_ELI: Crypto: hardware > > > > [...] and it's much easier for system administrators if we expose the > > fact that they are using some kind of acceleration than asking them to > > run DTrace etc. to find out. Personally, I think it's probably better > > to change the notion to either "accelerated" (by either hardware or > > software) and "software"... > > +1 for "accelerated" vs. "software". For most users "accelerated" would > mean AES-NI (dedicated crypto cards are not as common), and since most > modern CPUs have those, not being able to easily distinguish between that > and "pure software" (unaccelerated) mode is rather frustrating. Yeah, w/o a differentiation, people can't tell if the aesni.ko module was loaded or not... I use this to make sure things will go fast.. If I see software, I know it'll be slow... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."