From owner-freebsd-net@freebsd.org Tue Apr 24 11:11:02 2018 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5E7C2F8B2C6 for ; Tue, 24 Apr 2018 11:11:02 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 1DC7B85196 for ; Tue, 24 Apr 2018 11:11:02 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: by mailman.ysv.freebsd.org (Postfix) id C9158F8B2AE; Tue, 24 Apr 2018 11:11:01 +0000 (UTC) Delivered-To: net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B533CF8B2AB; Tue, 24 Apr 2018 11:11:01 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 28DB985187; Tue, 24 Apr 2018 11:11:01 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id w3OBAojU017230 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 24 Apr 2018 14:10:53 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua w3OBAojU017230 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id w3OBAowW017229; Tue, 24 Apr 2018 14:10:50 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Tue, 24 Apr 2018 14:10:50 +0300 From: Konstantin Belousov To: Ben RUBSON Cc: current@freebsd.org, menyy@mellanox.com, net@freebsd.org Subject: Re: mlx5(4) jumbo receive Message-ID: <20180424111050.GB6887@kib.kiev.ua> References: <20180424085553.GA6887@kib.kiev.ua> <2AE60706-A9E1-4F47-AB16-AA1292405671@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2AE60706-A9E1-4F47-AB16-AA1292405671@gmail.com> User-Agent: Mutt/1.9.5 (2018-04-13) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Apr 2018 11:11:02 -0000 On Tue, Apr 24, 2018 at 11:55:38AM +0200, Ben RUBSON wrote: > On 24 Apr, Konstantin Belousov wrote: > > > Hello, > > the patch below is of interest for people who use Mellanox Connect-X/4 > > and 5 ethernet adapters and configure it for jumbo frames. > > Hi Konstantin, > > Good news ! > Do you think your work could be easily ported to Connect-X/3 devices (mlx4 > driver) ? No, it cannot be easily ported. The port might happen, but I do not promise this. > > Thank you very much, > > Ben > > For completeness regarding mlx4, some work has been started on it : > https://reviews.freebsd.org/D11560 > There's a discussion : > https://lists.freebsd.org/pipermail/freebsd-net/2017-June/048293.html > Which continues here : > https://lists.freebsd.org/pipermail/freebsd-net/2017-September/048906.html