From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-1.mimecast.com (us-smtp-1.mimecast.com [205.139.110.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 968963B2A4 for ; Thu, 23 Apr 2020 19:05:25 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1587683125; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Y8Gr+13vlYzT8T+3lKWjJ/lu7wEB/lRpJ5K3cOiTSl8=; b=YShbln5RsDOvzf0synsLqb8mGXmRQwehTjk+bQPBPYrQ6emLJ/PQj0C9wFw6+CVwvDfBtK jhDyIAV9vIbL3kHxIAMyR4noys7s/W0c1dsBCPFZfCkOR7Sja7RpKHoIcHIHczRmTu1mwU c+dEldIzxDiqNTFeeRE3h+qj3bTK+Fg= Received: from mail-lj1-f197.google.com (mail-lj1-f197.google.com [209.85.208.197]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-388-dOIyA-teMRKGudXL4D540Q-1; Thu, 23 Apr 2020 19:05:21 -0400 X-MC-Unique: dOIyA-teMRKGudXL4D540Q-1 Received: by mail-lj1-f197.google.com with SMTP id y16so1379829ljy.8 for ; Thu, 23 Apr 2020 16:05:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:mime-version:content-transfer-encoding; bh=Y8Gr+13vlYzT8T+3lKWjJ/lu7wEB/lRpJ5K3cOiTSl8=; b=I4UlH/RGULPl5tQ1ioG/f75ncLfCZXLlye3XwAo78gvEibVdn2fj8aj14ZIxuCAd4k CiRNFJBdp+/wth6IrkjORPWh2NGugf0JX9p9+v9X9c9GrDQq8CBENd1E7T9Cybug1b3t cwUFW7+EAi20tRj3CBn1qUjT+YXkGVdD4R08e+QRFq+B45Rlvl7Ay/rf5J4541+4HGA0 HvrFXPyyUhgcqfZyY66I7whaUPdfq1yy/cVRbXs6Ct0D9ryyeRe8SWVyciQgGUpZZbfP yp1iymI1/uh360W67+ktTzTgPq+y3EXVzIkhA4Al7Bj/TdN1QaFKNvpeep3ytFm0/nto sM/Q== X-Gm-Message-State: AGi0PuYPOalKzbTozFhXbFlmWeFfW4RNup/iDCVMSQdshSwgc+SP/zjY 6J+0CIRQ2HJIjV3ICpmVH7s77ayKhrYCJEYdAQ9NAMl6FiROFSHk1mIj6f30QxE38NUHiYiKPP1 eb/Ifpzz+qZvnHA24wDzMeQ== X-Received: by 2002:ac2:57cc:: with SMTP id k12mr3827990lfo.69.1587683119989; Thu, 23 Apr 2020 16:05:19 -0700 (PDT) X-Google-Smtp-Source: APiQypLpSAOBdwaqnbGX7SEX/BpxupD+gDA3Z08lDrTcab3OD54KuXLEdce78tWv5DjZ4YQILfEVLQ== X-Received: by 2002:ac2:57cc:: with SMTP id k12mr3827979lfo.69.1587683119808; Thu, 23 Apr 2020 16:05:19 -0700 (PDT) Received: from alrua-x1.borgediget.toke.dk ([45.145.92.2]) by smtp.gmail.com with ESMTPSA id j19sm3292357lfe.17.2020.04.23.16.05.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Apr 2020 16:05:19 -0700 (PDT) Received: by alrua-x1.borgediget.toke.dk (Postfix, from userid 1000) id 5B61F1814FF; Fri, 24 Apr 2020 01:05:17 +0200 (CEST) From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= To: Maxime Bizon Cc: Dave Taht , Cake List In-Reply-To: <20200423215954.GN28541@sakura> References: <603DFF79-D0C0-41BD-A2FB-E40B95A9CBB0@gmail.com> <20200423092909.GC28541@sakura> <87o8ri76u2.fsf@toke.dk> <20200423123329.GG28541@sakura> <877dy66tng.fsf@toke.dk> <20200423173111.GL28541@sakura> <871roe6of0.fsf@toke.dk> <20200423215954.GN28541@sakura> X-Clacks-Overhead: GNU Terry Pratchett Date: Fri, 24 Apr 2020 01:05:17 +0200 Message-ID: <87r1wd6bwy.fsf@toke.dk> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Cake] Advantages to tightly tuning latency X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Apr 2020 23:05:25 -0000 Maxime Bizon writes: > On Thursday 23 Apr 2020 =C3=A0 20:35:15 (+0200), Toke H=C3=B8iland-J=C3= =B8rgensen wrote: > >> I meant more details of your SOC platform. You already said it's >> ARM-based, so I guess the most important missing piece is which (Linux) >> driver does the Ethernet device(s) use? > > - Marvell Kirkwood, mv643xx_eth driver > - Marvell A8k, mvpp2 driver No native XDP support in any of those, unfortunately :( >> Yup, I think so. What does your current solution do with packets that >> are destined for the WiFi interface, BTW? Just punt them to the regular >> kernel path? > > yes, but that won't fly anymore for 11ax rates Indeed, that was partly why I asked :) Got any plans? -Toke