From owner-freebsd-hackers@freebsd.org Tue Oct 17 17:54:16 2017 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D3937E41E1E for ; Tue, 17 Oct 2017 17:54:16 +0000 (UTC) (envelope-from philip@freebsd.org) Received: from weatherwax.trouble.is (weatherwax.trouble.is [176.58.93.127]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "weatherwax.trouble.is", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 98865778DA; Tue, 17 Oct 2017 17:54:16 +0000 (UTC) (envelope-from philip@freebsd.org) Received: from rincewind.trouble.is (rincewind.trouble.is [IPv6:2a01:4f8:a0:10e6::1:1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "rincewind.trouble.is", Issuer "Let's Encrypt Authority X3" (verified OK)) by weatherwax.trouble.is (Postfix) with ESMTPS id 3yGjVm2jypzs3y; Tue, 17 Oct 2017 17:54:08 +0000 (UTC) X-Clacks-Overhead: GNU Terry Pratchett Received: from twoflower.trouble.is (ptr-81ki18eu3iibixr70kk.18120a2.ip6.access.telenet.be [IPv6:2a02:1811:c13:1901:e139:90b1:306d:fda4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) (Authenticated sender: philip) by rincewind.trouble.is (Postfix) with ESMTPSA id 3yGjVl6mBLzKwr; Tue, 17 Oct 2017 17:54:07 +0000 (UTC) From: "Philip Paeps" To: "Allan Jude" Cc: freebsd-hackers@freebsd.org, arybchik@freebsd.org Subject: Re: Anyone using Solarflare on FreeBSD 10-STABLE ? Date: Tue, 17 Oct 2017 19:54:06 +0200 Message-ID: <333473BB-43C3-4E3E-B62F-03DE5650E403@freebsd.org> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; format=flowed; markup=markdown X-Mailer: MailMate (1.9.7r5425) X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Oct 2017 17:54:16 -0000 On 2017-10-17 19:36:20 (+0200), Allan Jude wrote: > On 10/17/2017 12:32, Mark Saad wrote: >> I was wondering if anyone else out there was using the solarflare >> cards supported via the sfxge driver on 10.3-STABLE. Yes. >> Speificly I wanted to know if anyone knew what this sysctl refers to >> >> dev.sfxge.NN.stats.rxdp_di_dropped_pkts > > I have two 11.1 boxes with a dual ported sfxge each, but I have no > idea > what that counter is trying to describe. > > The man page says this is Philip's fault. This code is not my fault! ;-) I believe arybchik added it. Looking at the code, it's packets that have been dropped in the data path by the dispatcher cpu. Probably related to virtual functions? arybchik (Cc:ed) likely has a more recent datasheet than I do! Philip -- Philip Paeps Senior Reality Engineer Ministry of Information