From owner-freebsd-net@freebsd.org Thu Dec 6 08:20:20 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 A10F81322C40 for ; Thu, 6 Dec 2018 08:20:20 +0000 (UTC) (envelope-from v.maffione@gmail.com) Received: from mail-qk1-x732.google.com (mail-qk1-x732.google.com [IPv6:2607:f8b0:4864:20::732]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id EE0EE852E1 for ; Thu, 6 Dec 2018 08:20:19 +0000 (UTC) (envelope-from v.maffione@gmail.com) Received: by mail-qk1-x732.google.com with SMTP id a132so13569122qkg.1 for ; Thu, 06 Dec 2018 00:20:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Il9vCgGhklRAFbWCIbBweM1UkP2flbudfxsy2Q1NXsE=; b=rKzmQ5JSudW9i/i72ZeSceUh1YvsZOLmXsj9/4JiDoF5ycJ7MR3MxqBdLgXut3Ovuz Ii4MBWX3mFgi3wfhJtStgulIxoWrCXyq4Nj2CNCWJ1PbRmyfrRwutd863cm1X4Vzcxey SEDnTxnmnrQ9OU3Cn8msgQj1S1W0YdbAto27Q8yUnts+qMmBJavD7mqyODc29q0RXBuV WExUkVPeRoganLBFA+jD+P7+zU86WrAwaOCQwVAM4py0rtdO6lngZOSsoSdAqQ3upO5a Fcf37usY+bn1r9COPlZjfCDeeJ4VX6QIkfB60t7vAKGx9KJURQ8m8QgbsWXa9cL5p6yD lfyw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Il9vCgGhklRAFbWCIbBweM1UkP2flbudfxsy2Q1NXsE=; b=DcwzI1OE4goVzZUl6tAjCjDcJ7iygJVOFIDMFECFZd0rt8YXOwDbu6ozFB4nqxl6bf nz2M+nqXZJxMUBvIFsVe8fcZVkUPS4u2G8F25NE8sGxkl8QWF3XiszQpLEnINHkuulmh ngbmZsYMDO+JSn17Jc9BwbGVItIf4cJlBzc+BHDCzpybq1oZ+14GIPgRhSXzTVll2B4h 1sbS7+n0HFrxs6MfWnIrQOsiIMipLme28TCza1RxowM5Q5At6KIXuk9cfLe/T9lNGCIN tknFvyp9+y8S/dyVK26QnqGADv06jHuq2NKACVRuOzQeo964ZPEyjWj5gKhZoTJ+vXzk 5gCw== X-Gm-Message-State: AA+aEWbiDq4WqrMvNDWtOP5383mXR9ivz6tCVcu0d8C6fVRLFb5skyWg kaNKerTkmynykRpGyB7pqnSAFBh5AOnzcsaHMBE= X-Google-Smtp-Source: AFSGD/WfBrpO7LQ33tp6KAUm/RMyN6dEnhHIulE3uobx15pwD9GDyCf8Eb3B9XbEI5grDowhvCCHHzel41VhXxKClpg= X-Received: by 2002:a37:5107:: with SMTP id f7mr26165459qkb.124.1544084419283; Thu, 06 Dec 2018 00:20:19 -0800 (PST) MIME-Version: 1.0 References: <5756C17D.1090409@yandex.ru> <1502708678.10983095.1465385308094.JavaMail.zimbra@ulg.ac.be> In-Reply-To: From: Vincenzo Maffione Date: Thu, 6 Dec 2018 09:20:07 +0100 Message-ID: Subject: Re: Is netmap jumbo frames broken in STABLE? To: Andrew Vylegzhanin Cc: "freebsd-net@freebsd.org" , rysto32@gmail.com, "Andrey V. Elsukov" , Luigi Rizzo X-Rspamd-Queue-Id: EE0EE852E1 X-Spamd-Result: default: False [-5.34 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; RCPT_COUNT_FIVE(0.00)[5]; DKIM_TRACE(0.00)[gmail.com:+]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-0.99)[-0.992,0]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; SUBJECT_ENDS_QUESTION(1.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; TAGGED_FROM(0.00)[]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2.3.7.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; IP_SCORE(-2.34)[ip: (-8.74), ipnet: 2607:f8b0::/32(-1.55), asn: 15169(-1.32), country: US(-0.09)]; RCVD_COUNT_TWO(0.00)[2] X-Rspamd-Server: mx1.freebsd.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.29 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, 06 Dec 2018 08:20:20 -0000 Hi, Actually I just realized that this patch is suitable for stable/11, whereas on stable/12 ixgbe is served by iflib, and therefore we need a different patch. I'll keep you updated then. Cheers, Vincenzo Il giorno mer 5 dic 2018 alle ore 20:45 Andrew Vylegzhanin ha scritto: > Hi, > of course I want to test. > But it takes time up to 1-2 weeks, since I need setup HEAD environment i= n > lab and modify my code for NS_MOREFRAG. > > When we can wait for MFC to stable/12 (or stable/11) > > -- > Andrew > > =D0=B2=D1=81, 2 =D0=B4=D0=B5=D0=BA. 2018 =D0=B3. =D0=B2 13:30, Vincenzo M= affione : > >> Hi, >> I prepared a patch (against FreeBSD-HEAD) to to support jumbo frames i= n >> ixgbe. >> https://reviews.freebsd.org/D18402 >> Would you be able to test it? >> >> Thanks, >> Vincenzo >> >> Il giorno gio 22 nov 2018 alle ore 13:37 Andrew Vylegzhanin < >> avv314@gmail.com> ha scritto: >> >>> >>> >>> =D1=87=D1=82, 22 =D0=BD=D0=BE=D1=8F=D0=B1. 2018 =D0=B3. =D0=B2 13:42, V= incenzo Maffione : >>> > >>> > Hi, >>> > Yes, absolutely, I'm currently working on aligning netmap on FreeBS= D >>> (head, stable/12 and stable/11) to >>> > the same status it has on Linux (more features, more bugfixes, >>> continuous integration infrastructure ... ). >>> >>> Great! >>> >>> > >>> > In particular, on Linux jumbo frames are already supported on ixgbe, >>> e1000, igb, e1000e, etc. >>> >>> BTW, what situation with ixl driver and chelsio ? >>> >>> > >>> > >>> > I have some netmap patches are already in the queue (see here >>> https://reviews.freebsd.org/differential/query/Ol8MNtAi2AIs/#R), >>> > so I can address the ixgbe-jumbo-frames item as soon as the queue >>> drains. >>> > If you want to give a try in the meanwhile, and/or test ixgbe on >>> FreeBSD it would be great. >>> > >>> >>> I will look forward to ixgbe-jumbo-frames. >>> Of course, I'm ready to test on both stable's. >>> >> >> >>> >>> > >>> > Cheers, >>> > Vincenzo >>> > >>> WBR, >>> -- >>> Andrew >>> >>> > Il giorno gio 22 nov 2018 alle ore 11:23 Andrew Vylegzhanin < >>> avv314@gmail.com> ha scritto: >>> >> >>> >> Hi, >>> >> >>> >> Come back to subject after two years. >>> >> I would like to clarify situation with jumbo frames in ixgbe driver. >>> >> >>> >> I've looked to >>> >> >>> https://github.com/luigirizzo/netmap/blob/master/LINUX/ixgbe_netmap_lin= ux.h >>> >> and see a lot of changes compared 11/12-STABLE version ixgbe_netmap.= h. >>> >> Is it possible to back port it? >>> >> >>> >> In general, is there a chance to get worked jumbo frames on ixgbe? >>> >> >>> >> -- >>> >> Andrew >>> >> >>> >> =D1=81=D1=80, 8 =D0=B8=D1=8E=D0=BD. 2016 =D0=B3. =D0=B2 14:28, : >>> >> >>> >> > Support for fragmented packets with ixgbe was recently added on th= e >>> linux >>> >> > version of Netmap : >>> >> > >>> >> > >>> >> > >>> https://github.com/luigirizzo/netmap/commit/fc1e77560a8a8ea93cc3594de5f= ae94334debcd3 >>> >> > >>> >> > I think the change for freebsd would be quite the same looking at >>> >> > >>> https://github.com/freebsd/freebsd/blob/master/sys/dev/netmap/ixgbe_net= map.h#L396 >>> >> > >>> >> > After that, your userspace application simply have to check for th= e >>> >> > NS_MOREFRAG flag in the receive ring, and if it's set he knows the >>> end of >>> >> > the packet will follow in the next buf. >>> >> > >>> >> > Tom >>> >> > >>> >> _______________________________________________ >>> >> freebsd-net@freebsd.org mailing list >>> >> https://lists.freebsd.org/mailman/listinfo/freebsd-net >>> >> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.or= g >>> " >>> > >>> > >>> > >>> > -- >>> > Vincenzo >>> >> >> >> -- >> Vincenzo >> > --=20 Vincenzo