From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Graf Subject: Re: [PATCH v2 net-next 1/5] bpf: Refactor cgroups code in prep for new type Date: Mon, 31 Oct 2016 18:49:42 +0100 Message-ID: <20161031174942.GF32374@pox.localdomain> References: <1477529922-4806-1-git-send-email-dsa@cumulusnetworks.com> <1477529922-4806-2-git-send-email-dsa@cumulusnetworks.com> <20161031.125801.874510216543796824.davem@davemloft.net> <542e0d3e-2f57-96f9-1da1-b71e2c970395@zonque.org> <44b37825-d001-c708-963f-cbdedb559710@cumulusnetworks.com> <7d2a099d-1039-ef2d-86e6-2fca151d316c@zonque.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Cc: David Ahern , David Miller , netdev@vger.kernel.org, ast@fb.com, daniel@iogearbox.net, maheshb@google.com To: Daniel Mack Return-path: Received: from mail-wm0-f42.google.com ([74.125.82.42]:37424 "EHLO mail-wm0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S945046AbcJaRtp (ORCPT ); Mon, 31 Oct 2016 13:49:45 -0400 Received: by mail-wm0-f42.google.com with SMTP id t79so64503481wmt.0 for ; Mon, 31 Oct 2016 10:49:44 -0700 (PDT) Content-Disposition: inline In-Reply-To: <7d2a099d-1039-ef2d-86e6-2fca151d316c@zonque.org> Sender: netdev-owner@vger.kernel.org List-ID: On 10/31/16 at 06:16pm, Daniel Mack wrote: > On 10/31/2016 06:05 PM, David Ahern wrote: > > On 10/31/16 11:00 AM, Daniel Mack wrote: > >> Yeah, I'm confused too. I changed that name in my v7 from > >> BPF_PROG_TYPE_CGROUP_SOCK to BPF_PROG_TYPE_CGROUP_SKB on David's > >> (Ahern) request. Why is it now renamed again? > > > > Thomas pushed back on adding another program type in favor of using > > subtypes. So this makes the program type generic to CGROUP and patch > > 2 in this v2 set added Mickaël's subtype patch with the socket > > mangling done that way in patch 3. > > > > Fine for me. I can change it around again. I would like to hear from Daniel B and Alexei as well. We need to decide whether to use subtypes consistently and treat prog types as something more high level or whether to bluntly introduce a new prog type for every distinct set of verifier limits. I will change lwt_bpf as well accordingly.