From owner-freebsd-net@freebsd.org Tue Mar 19 15:22:03 2019 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 095FA1553A37 for ; Tue, 19 Mar 2019 15:22:03 +0000 (UTC) (envelope-from v.maffione@gmail.com) Received: from mail-qt1-x841.google.com (mail-qt1-x841.google.com [IPv6:2607:f8b0:4864:20::841]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id D37DC8992F for ; Tue, 19 Mar 2019 15:22:01 +0000 (UTC) (envelope-from v.maffione@gmail.com) Received: by mail-qt1-x841.google.com with SMTP id k2so22592779qtm.1 for ; Tue, 19 Mar 2019 08:22:01 -0700 (PDT) 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=93mLuypErH1UqQKRtLDlfzKcPWKzsHXFzvc4jd018Z4=; b=goaHaAbtP8kz/I05z1sH3aEjxiaIOtUcYR1D72PxRu2igsEhftJ8GfeZzlFcbil3Bq f+ELpDH2I6doULGVDMjOOH5yQnf283uaTV+jzp247zvNSOMuXlMR8iAu2slp9FuH2CF6 7V4cELMwal1Ov064pmSylynDm9AGNCnwARGi/IGbYWHTmpnRbMtgWkbyumUwbXgmDeTT P97Urch5lw6YiujALwaGFZYEM+aLusze/XML7Ww/RPpQIBrYSYAOWh/1a8ynmSsgai7u wbwm18DysmoxeqjZYQhUQ15LwwnCYcUIyX3PC/qwCxnazYqHG6R+tg9fa3mrjw77Ztg6 m15g== 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=93mLuypErH1UqQKRtLDlfzKcPWKzsHXFzvc4jd018Z4=; b=Qc34JEKPJQmb3j8KDBBa74CQhWAnlEFBAuyb0RqT4II971ov3DQkIhl++yFnpE4MtY Iw1iLzLqocVjwEB55vbvX2pGrj6MUlSqEGy3wMYaxOT8AKWDTD7GEVHLzKyzEJcLVzul Oenh0pTjBF6P/zR+ni0OeInb3Ckf14RRYWP7SAnlXCEmT5rCCANHpTxG8DDQL89Wydbn oV//Xtbq/DR+LPY16og7cyXa90Ve5avxFjR6+59gIN3lG0kyFkpdm1mZYqiSz1+lX3wr NdgDVF7Dsc7lCpD8St3QFkQ5AhohkWfe0LIdoPmS6VMp1UM8oi6I3zOEnoM9qJYK2i5B 4/oA== X-Gm-Message-State: APjAAAUDnEXwxegcOor7Y81Y5OEJD00cbQytmNyFAujGIZNNVSc1UB+U dSD3PZghVWdPtlZGgGCL3u8CDPivwqk3eCTOUUOIWw== X-Google-Smtp-Source: APXvYqx5FK7H0sgxFlv+CoxqLNSUlCU6lSJvSHgPXN1JDoA4OWecxYkR0OWlw7OfwPN8OXCxSow0/nLL8ls8ER6dt70= X-Received: by 2002:a0c:d783:: with SMTP id z3mr2320651qvi.190.1553008920888; Tue, 19 Mar 2019 08:22:00 -0700 (PDT) MIME-Version: 1.0 References: <5756C17D.1090409@yandex.ru> <1502708678.10983095.1465385308094.JavaMail.zimbra@ulg.ac.be> In-Reply-To: From: Vincenzo Maffione Date: Tue, 19 Mar 2019 16:21:48 +0100 Message-ID: Subject: Re: Is netmap jumbo frames broken in STABLE? To: Andrew Vylegzhanin Cc: "freebsd-net@freebsd.org" , Ryan Stone , "Andrey V. Elsukov" , Luigi Rizzo X-Rspamd-Queue-Id: D37DC8992F X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=goaHaAbt; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of vmaffione@gmail.com designates 2607:f8b0:4864:20::841 as permitted sender) smtp.mailfrom=vmaffione@gmail.com X-Spamd-Result: default: False [-3.37 / 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(-0.84)[-0.839,0]; FREEMAIL_TO(0.00)[gmail.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+]; 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)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-0.997,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; 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)[1.4.8.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; RCVD_TLS_LAST(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; IP_SCORE(-0.52)[ip: (2.32), ipnet: 2607:f8b0::/32(-2.77), asn: 15169(-2.10), country: US(-0.07)] 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: Tue, 19 Mar 2019 15:22:03 -0000 Hi, It's not supported yet. But I think it is reasonably feasible to add jumbo frames support on head and stable/12, by improving iflib netmap support. I hope to find the time to do this soon. Cheers, Vincenzo Il giorno lun 18 mar 2019 alle ore 02:52 Andrew Vylegzhanin < avv314@gmail.com> ha scritto: > Hi, > > After some time I want to return to testing netmap+jumbo_frames+ixgbe(an= d > ixl later) setup. > What is current situation with this bundle (stable/11 and stable/12)? > > -- > Andrew > > =D1=87=D1=82, 6 =D0=B4=D0=B5=D0=BA. 2018 =D0=B3. =D0=B2 11:20, Vincenzo M= affione : > >> 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 < >> avv314@gmail.com> ha scritto: >> >>> Hi, >>> of course I want to test. >>> But it takes time up to 1-2 weeks, since I need setup HEAD environment >>> in 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= Maffione : >>> >>>> Hi, >>>> I prepared a patch (against FreeBSD-HEAD) to to support jumbo frames >>>> in 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,= Vincenzo Maffione >>>> >: >>>>> > >>>>> > Hi, >>>>> > Yes, absolutely, I'm currently working on aligning netmap on >>>>> FreeBSD (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 drive= r. >>>>> >> >>>>> >> I've looked to >>>>> >> >>>>> https://github.com/luigirizzo/netmap/blob/master/LINUX/ixgbe_netmap_l= inux.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 >>>>> the linux >>>>> >> > version of Netmap : >>>>> >> > >>>>> >> > >>>>> >> > >>>>> https://github.com/luigirizzo/netmap/commit/fc1e77560a8a8ea93cc3594de= 5fae94334debcd3 >>>>> >> > >>>>> >> > I think the change for freebsd would be quite the same looking a= t >>>>> >> > >>>>> https://github.com/freebsd/freebsd/blob/master/sys/dev/netmap/ixgbe_n= etmap.h#L396 >>>>> >> > >>>>> >> > After that, your userspace application simply have to check for >>>>> the >>>>> >> > 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.org" >>>>> > >>>>> > >>>>> > >>>>> > -- >>>>> > Vincenzo >>>>> >>>> >>>> >>>> -- >>>> Vincenzo >>>> >>> >> >> -- >> Vincenzo >> > --=20 Vincenzo