From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A746DC282C3 for ; Thu, 24 Jan 2019 11:27:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6C970218A6 for ; Thu, 24 Jan 2019 11:27:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="bFeyaWYY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727835AbfAXL1U (ORCPT ); Thu, 24 Jan 2019 06:27:20 -0500 Received: from mail-vs1-f51.google.com ([209.85.217.51]:38622 "EHLO mail-vs1-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727409AbfAXL1T (ORCPT ); Thu, 24 Jan 2019 06:27:19 -0500 Received: by mail-vs1-f51.google.com with SMTP id x64so3294212vsa.5 for ; Thu, 24 Jan 2019 03:27:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc; bh=FvC5i5cG41fPI6h5+zUPDoH+wJF3u/LJepH2M3zc1+8=; b=bFeyaWYYbN7wFNBNEXZE619j3VZqKB9oJ075caVv3kfBj3mtJ+GmaWweXeGtTUmx2L q4BJsGGL6vT9UgxG/Zj7r9Xtcu/Cx3q2mT6fcgq23hCueHXA0yseQyKUDTbVn0Yh2AvL PghWACKrj0XRSiMuwisme2ucJAVR4oqQlCtyAJBxacxaGUQEBjW1PSuU9DHCnSWLDLgw EVDZH+DI9SrB2giovNMRXxaCQ5GDKFCK9iOWWgUqNxFhZZtevfYD3lFOd9H15zmh6KbX QGNuG2zp7YPH4G41jk0pyTnizbzfyrp4pPRM6vfiaESBCIibtlIs2zSBePwLhwQmp36S 9iaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=FvC5i5cG41fPI6h5+zUPDoH+wJF3u/LJepH2M3zc1+8=; b=m2yyRN/8+UVMwKRSx5rnz+A2WTFpYpXKvLW0KyCHl06emz3wCVgMbcG1i1tmBEKyLE JALUnfqNXNJTI9smP1+07FtC3d+5SUU7yO19OxAS6Ah2DDXo+2p0e93q6IhDa3C4ZF8Y pqoMOynrvmZr70yB76hnOt6pxcoLy5ssT3BOal4bHS0zmAVZuLsC31DKHRGBeenBy9HM LJMxBl0YRAx856Y+hPNbZEddsEgbQGHNYPDU4ShqTS4/hMbJI1wejCHrvGNW5iFZ7XKc t90YAV1xwPLls0ufCsM97rvLhLKZtz/4zKH8HdKc6Y2OVp4aptLSp7gF01N7sGze+4p8 jELA== X-Gm-Message-State: AJcUukelNfsNDotKtx/QEJDSBV9zJy5CWQps3r+bYpRo4apypWieRFv4 lLs6Tjofx4lIsxTL9XpYKxvyeva/llAAyBpB18OF7zO/ldnMrw== X-Google-Smtp-Source: ALg8bN4uDkLsrRg7HrgNSykTKuiGDxjKJ1jwTLIDFQcbKxRuaz1uBUPUDUllcAQHrDEQERlU8AbgM1T3KmVd9sXWDyY= X-Received: by 2002:a67:3edc:: with SMTP id a89mr2479831vsi.136.1548329238317; Thu, 24 Jan 2019 03:27:18 -0800 (PST) MIME-Version: 1.0 From: =?UTF-8?Q?Maciej_=C5=BBenczykowski?= Date: Thu, 24 Jan 2019 03:27:07 -0800 Message-ID: Subject: eBPF equivalent of SKF_AD_HATYPE / skb->dev->type To: Alexei Starovoitov , Daniel Borkmann Cc: Linux NetDev Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org In classic BPF 'SKF_AD_HATYPE' can be used to fetch skb->dev->type. Are my eyes deceiving me, or is there a similar way to get at it from eBPF? (while we're at it, skb->dev->mtu would probably be useful too) Cheers, Maciej