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=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 DC093C433ED for ; Mon, 26 Apr 2021 17:09:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A60306101B for ; Mon, 26 Apr 2021 17:09:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235094AbhDZRK0 (ORCPT ); Mon, 26 Apr 2021 13:10:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233736AbhDZRKX (ORCPT ); Mon, 26 Apr 2021 13:10:23 -0400 Received: from mail-qk1-x730.google.com (mail-qk1-x730.google.com [IPv6:2607:f8b0:4864:20::730]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C5C1C061574 for ; Mon, 26 Apr 2021 10:09:41 -0700 (PDT) Received: by mail-qk1-x730.google.com with SMTP id o5so57230650qkb.0 for ; Mon, 26 Apr 2021 10:09:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=1lwGazPl/DeS/OJhv74bKQhLj3l22/PWVhEsnGdLLf8=; b=Vq7OCjLB2HF4n02iedF4lCyEm7+0ArCKl3j2cxBBhLqJmhz6zmuBVLlYNsjXSRkAqQ CHpACMa9/8SlanXWnxbfuoI8oUKtTCln/HJaw1Punix0aHKhPg6yQNE8dvQZ/mhGXtfm jo+fEX8E3OEOWXQpSYwADB24DO84OSy/t5y5g= 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=1lwGazPl/DeS/OJhv74bKQhLj3l22/PWVhEsnGdLLf8=; b=e9N4MPPZeyLWtzSXliRrZm1tXzsgVsFdQuAqR7muANjFgFSJ2tM2Drf1mRPHUuW9eD myGYvyA8HLsui2/XImP2qi5myONV4/Jv2nLobKaltfYj5Zh8p6ZonIM2fG/amUao1dRE aWWX5WAhUIyLFzJ4/lFrBb5ELRDIzbz6+EwUPxFwt8jOu0qt//3vu8vF9YpshbrvO4NG NoPy6BsiYmuoW3PCxyjoiyjjMO1JYWtSyp1pcr6Uyew7RQ294FSkBCpu7aa8C3fG0yZl r5SToyjIZjPWlPma+099tVJiZTZbNTfM+4Aw7myJ4dmLwQDSR4y0/KvogeF0ArK5Y+nQ AEKA== X-Gm-Message-State: AOAM5331vsjugxzDvJe+2ZrTf7OIejrtvzhxW2pQ7oAp/Wg2TDOUErwv W8g5DSG9tC2VUS8uyoxCTKnAZkTOszZSGLqRTLYqNd75xzlN1w== X-Google-Smtp-Source: ABdhPJyt1oYJ5LMI/yhIVDwiwvvDZpT4P8IUxfHvewMlDhqFrFJXELvj61V+kACJdDvAh5QgnYFQrTf5XbAMdq8Spxs= X-Received: by 2002:a37:65c1:: with SMTP id z184mr18630830qkb.431.1619456980555; Mon, 26 Apr 2021 10:09:40 -0700 (PDT) MIME-Version: 1.0 References: <1619372727-19187-1-git-send-email-michael.chan@broadcom.com> <1619372727-19187-11-git-send-email-michael.chan@broadcom.com> <20210426092935.728fda80@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> <20210426100019.53a82b13@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> In-Reply-To: <20210426100019.53a82b13@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> From: Michael Chan Date: Mon, 26 Apr 2021 10:09:29 -0700 Message-ID: Subject: Re: [PATCH net-next v2 10/10] bnxt_en: Implement .ndo_features_check(). To: Jakub Kicinski Cc: David Miller , Netdev , Andrew Gospodarek Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="00000000000015971305c0e33686" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org --00000000000015971305c0e33686 Content-Type: text/plain; charset="UTF-8" On Mon, Apr 26, 2021 at 10:00 AM Jakub Kicinski wrote: > > On Mon, 26 Apr 2021 09:45:17 -0700 Michael Chan wrote: > > On Mon, Apr 26, 2021 at 9:35 AM Michael Chan wrote: > > > On Mon, Apr 26, 2021 at 9:29 AM Jakub Kicinski wrote: > > > > On Sun, 25 Apr 2021 13:45:27 -0400 Michael Chan wrote: > > > > This should have been "features & ~(CSUM | GSO)" if you actually > > > > accepted my feedback. > > > > Sorry, hit send too early. If it is not UDP, it could be GRE or IP > > over IP for example, right? Why do we need to turn off offload? > > All supported protocols can be included in the allow list. > That's one of the costs of NETIF_F_IP_CSUM, the driver needs > to make sure the device can understand the packet. Only UDP encapsulations have the 2 port limitations. The rest are supported. > > > > I mentioned extension headers as an example, > > > > Extension headers (Geneve for example) are supported. > > I thought the Geneve things were called options. I meant IPv6 extension > headers, which the device may also support, but then the right thing to > do is something like a call to ipv6_skip_exthdr() to retrieve the L4 > proto. You're right and I misunderstood you. I will double check for ipv6 extension headers support and will send a follow up patch. 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