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=-2.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 0327AC4167B for ; Tue, 8 Dec 2020 11:12:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B428623A1D for ; Tue, 8 Dec 2020 11:12:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728906AbgLHLMh (ORCPT ); Tue, 8 Dec 2020 06:12:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726993AbgLHLMh (ORCPT ); Tue, 8 Dec 2020 06:12:37 -0500 Received: from mail-pf1-x434.google.com (mail-pf1-x434.google.com [IPv6:2607:f8b0:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 031E5C0613D6; Tue, 8 Dec 2020 03:11:57 -0800 (PST) Received: by mail-pf1-x434.google.com with SMTP id w6so13607082pfu.1; Tue, 08 Dec 2020 03:11:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=TH/uPORjkOAtDa2UQZ3J5kFBagiraxudgrtcpy7b0qA=; b=HatnHftiGOo8iw5vuSU4099PGMpefy2tstA43iJUZLrFlZI8v6A5KiXrVqyoYvrM54 VREc2ti6Sb9BWBwAy4D+Mdmy88rjWsThsbfPLFIf8etrWVMKgoNNzwx/tEtVQi7MBgUY 2LWcHFxpanpWpNlvjFnn4GDrjaznOrEXCAlwQDFpQOc6mCcHEttLhoIcP1Y5GjABt9NA J7BnJd93R+JDqOmV4Xq90w0L+WfbpKCo+L6YQkCLPrX1Y9/TfCY3E84SABT0tPMRTAQM WM1R9hOvolIkrHxZhqGszDzrzRLKgbQ67YySgNHkL5dF82mY1uKdvXwgpLtAQWLzTBTg 4LUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=TH/uPORjkOAtDa2UQZ3J5kFBagiraxudgrtcpy7b0qA=; b=OCDojNzy9fo1zaqAXFq2Hg7LiLvitaEF2ATeRKeAAaQz1KHN6VGhy4b1H1VEVsWR+1 EpR2m/Nihkh2+3W/bMRsJw3I1YUkTpPB3AH5hXD2frFvHeteWRL8PIxVUKFgnPsDeUEb guQOIqpgLSHDC1Y8tLcdVbIfE7GuZB/bxbgsBlLtrSvf7GEB5ugLvvAAQOGgAZI+T3ue T7FUCxSUtqAO1S86hlsFmhaOTxLidUSN1bpEQ6u7iJJulA/dtfh3cGT6NmzzVcPDRNnq g/ehZnCIA4whq+HH090IQh+8EH1QCsh+V42RsBWIbOeDfDOC0AQxD0YDRkbzrxxeROb8 IaZQ== X-Gm-Message-State: AOAM530hTs09dV0M3Q+IrIbnQzje3r6ynoV98Yz2Ek10Seax1excHVPx xyUiPWOvW2il+2+S0nltdCI= X-Google-Smtp-Source: ABdhPJxc72qYuapyzgvowaUTPy3c4neXGx5/5gT4XVxeY/42UVlkj1dLoWNaB217eqx/eWxtWpF5tA== X-Received: by 2002:a62:b501:0:b029:19d:d2eb:210 with SMTP id y1-20020a62b5010000b029019dd2eb0210mr13626810pfe.78.1607425916641; Tue, 08 Dec 2020 03:11:56 -0800 (PST) Received: from localhost.localdomain ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id x10sm14982504pga.70.2020.12.08.03.11.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Dec 2020 03:11:56 -0800 (PST) Date: Tue, 8 Dec 2020 19:11:45 +0800 From: Hangbin Liu To: Jesper Dangaard Brouer Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, Daniel Borkmann , John Fastabend , Yonghong Song , Toke =?iso-8859-1?Q?H=F8iland-J=F8rgensen?= Subject: Re: [PATCHv3 bpf-next] samples/bpf: add xdp program on egress for xdp_redirect_map Message-ID: <20201208111145.GF277949@localhost.localdomain> References: <20201126084325.477470-1-liuhangbin@gmail.com> <20201208081856.1627657-1-liuhangbin@gmail.com> <20201208113914.7fe9e291@carbon> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201208113914.7fe9e291@carbon> Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Tue, Dec 08, 2020 at 11:39:14AM +0100, Jesper Dangaard Brouer wrote: > > + /* If -X supplied, load 2nd xdp prog on egress. > > + * If not, just load dummy prog on egress. > > + */ > > The dummy prog need to be loaded, regardless of 2nd xdp prog on egress. Thanks for this remind, Now I know why the pkts are dropped with I do perf test on physical NICs. Regards Hangbin