From owner-soc-status@freebsd.org Wed Aug 5 21:49:48 2015 Return-Path: Delivered-To: soc-status@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 243C19B41BE for ; Wed, 5 Aug 2015 21:49:48 +0000 (UTC) (envelope-from tuchalia@gmail.com) Received: from mail-la0-x230.google.com (mail-la0-x230.google.com [IPv6:2a00:1450:4010:c03::230]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 8C6EE8D1; Wed, 5 Aug 2015 21:49:47 +0000 (UTC) (envelope-from tuchalia@gmail.com) Received: by labkb6 with SMTP id kb6so15612603lab.2; Wed, 05 Aug 2015 14:49:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-type; bh=A8/3jdlaRIKkbSRpjbvLKm/9Osj6qtuBc/RwOoC5ltg=; b=aH31p2XdCkfHEXZrcQDk6vS2iHKbNknh8dbp5K1jQHDhWEtO29Fb9q6xfJ1YqlC35X wEAZz5Qh1rr0a1P8WnIfPezahbTyxp8RADKcM8ZuRZJrgBNAM/dyoj3bn0ToccmRNpGn ow4vwqUmk+mxSIIvUTx997EqNU196Q2qa87c2D6BOXRcH7qXp+c0nDl+1+hVfHFqajWX 7hb/cvAbQvVmZlT+x0J95aL4Ksgdqmt2r/wF7fWvTVtnEqhfsNoETwjlzJAV51TsEyml eun1peIC2zcxPSlLrk/9jyozWrS/Fs2gps3rxcod+izJoZS6tZzIcLArLm0M+EUprKqV TN+w== X-Received: by 10.152.9.103 with SMTP id y7mr11432048laa.111.1438811385538; Wed, 05 Aug 2015 14:49:45 -0700 (PDT) MIME-Version: 1.0 References: <358A0094-61DE-4685-933F-EDED85A6A07C@freebsd.org> In-Reply-To: From: Daniel Peyrolon Date: Wed, 05 Aug 2015 21:49:36 +0000 Message-ID: Subject: Re: Status reports for "JIT for firewalling" To: George Neville-Neil Cc: soc-status@freebsd.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: soc-status@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Summer of Code Status Reports and Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Aug 2015 21:49:48 -0000 Yes, all of that is commited at my repo. El mar., 4 ago. 2015 a las 14:13, George Neville-Neil () escribi=C3=B3: > Sounds very promising. > Have you committed an pushed the changes that made everything > start to work? Even if that's just a set of notes, rather than code, > that ought to be preserved. > > Best, > George > On 3 Aug 2015, at 9:15, Daniel Peyrolon wrote: > > > Hello, > > > > Finally we have the firewall working! > > I get a kernel panic whenever I try to filter an unbounded number of > > packets, but it doesn't when filtering a small amount of packets. > > > > The things to do now are: > > - Test that the emission of all the new rules is working properly, an= d > > test that rule. > > - Avoid kernel panic. This will take a longer time, but we need this = in > > order to get the firewall working in real-world systems. > > - Write flow modifying rules: Given that I've been out of the game fo= r > > so long, I haven't been able to get those rules written yet, but luckil= y > > they are only two rules, and its implementation shouldn't be hard. > > > > El lun., 27 jul. 2015 a las 20:36, Daniel Peyrolon ( >) > > escribi=C3=B3: > > > >> Hi again, > >> > >> Unfortunately I haven't been able to make any further progress. > >> I've been having a lot of problems to get the compiler working. I test= ed > >> many different hypotheses about the bug with no success so far, and I'= ve > >> talked with David Chisnall to see if he could lend me a hand and he ha= s > >> given me some pointers. So, hopefully, I'll be past this stage this > week. > >> > >> El lun., 20 jul. 2015 a las 15:43, George Neville-Neil (< > gnn@freebsd.org>) > >> escribi=C3=B3: > >> > >>> Seems like the next thing to do is build from source as David suggest= s. > >>> > >>> Best, > >>> George > >>> > >>> > >>> On 20 Jul 2015, at 4:47, Daniel Peyrolon wrote: > >>> > >>>> Hi everyone, > >>>> > >>>> This has not been a productive week. I've been so far unable to get > >>>> the > >>>> compiler working, I contacted David Chinsall as I said, and I have > >>>> been > >>>> looking to make everything works. The initialization process of LLVM > >>>> is not > >>>> working as expected, which may be related to a bad install (we have > >>>> already > >>>> disarded that), a bad building process, or a bad LLVM initialization > >>>> process. Given the fact that the LLVM API has changed a lot since th= e > >>>> last > >>>> time, that may be possible. > >>>> > >>>> El s=C3=A1b., 11 jul. 2015 a las 12:24, Daniel Peyrolon > >>>> () > >>>> escribi=C3=B3: > >>>> > >>>>> Hi everyone, > >>>>> > >>>>> This last pair of weeks I've written the code needed to compile > >>>>> almost all > >>>>> the rules, except those that modify control flow: call and skipto. > >>>>> For > >>>>> those ones I will have to write them by hand on LLVM IR. > >>>>> > >>>>> I also started working on the testing code. I'm using conductor to > >>>>> control the different hosts. I already have reserved a pair of host= s > >>>>> from > >>>>> the netperf cluster in order to get that running. > >>>>> > >>>>> So far I haven't been able to test anything because the compiler is > >>>>> not > >>>>> working yet, there has been a change in the API of LLVM since I las= t > >>>>> worked > >>>>> with it, I sent an email to my past mentor, David Chisnall asking f= or > >>>>> advice. > >>>>> -- > >>>>> Daniel > >>>>> > >>>> -- > >>>> Daniel > >>> > >> -- > >> Daniel > >> > > -- > > Daniel > --=20 Daniel