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=-4.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 2F99EC04AB5 for ; Thu, 6 Jun 2019 21:44:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F3D9020673 for ; Thu, 6 Jun 2019 21:44:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=networkplumber-org.20150623.gappssmtp.com header.i=@networkplumber-org.20150623.gappssmtp.com header.b="NUKJYIA0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728617AbfFFVo6 (ORCPT ); Thu, 6 Jun 2019 17:44:58 -0400 Received: from mail-pg1-f193.google.com ([209.85.215.193]:40136 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726157AbfFFVo5 (ORCPT ); Thu, 6 Jun 2019 17:44:57 -0400 Received: by mail-pg1-f193.google.com with SMTP id d30so2082909pgm.7 for ; Thu, 06 Jun 2019 14:44:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=R4zB8Fv1vR3++3bwLf5L5OV5X/RFWvUzMvJeHhBQwic=; b=NUKJYIA0a+zgkePMUu6rCDzsBJ2rfVv44vXjMGiNalHCruoexCaWkJDECNXS4mPNsw MCvXDNpqroIP83QQN1m7SktaWGbuBzRmiitA7y0liVXQH3dBLR5k4XoQzhZ2d5AHoVvr dAlgYSgGubj6RkSi1sWPLSJfqNQspbrCQO/XZz+1aosKVlwpvPQipLmD3tk+GGJTXmjK dl6ITiKiE3sWaoTwTYZxgFFswgHmkRI7jX3IOpvMwRbR2ZQRZhXbnV9MZFOyEw1P+hSp NR+aAYdj1d3OQBlgcRwwXmt2V1ebbsJHBAQHzSEqu5n1Wh/lO34RpsKgeyM0LP8yGecB jB6Q== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=R4zB8Fv1vR3++3bwLf5L5OV5X/RFWvUzMvJeHhBQwic=; b=YsB33AqnZVIjzKe7Hm/SUv3yTPVGW9y1f4JDI6ojkS+W7VsWe7fV/GB6rY+hhpX9t4 H9bu32oOnIl/1kGxb3jpvdWiF1dhfCR+wVHBtKzSn3LevAoSd69HJopaS9b/NcOKAUOT YhSkhChmrj2i1DdMiq82NJYJEcmZj5qMz02Vav2bxZG40nZiRrU+DCkDksWRHa/cDHEw Q+pob/v63j3AGJ5H+CJ0FppOtoZ0iqfJQDjXOzU9vjyTkUlJJI2Zyn/tI7eNdLqltTrP QaasMHXZzSDzHgD/5nWJL2n2kjs2CpG/rgvnnDck6aj28uDPo93AAEF4iNrEAAVw14i+ +FJQ== X-Gm-Message-State: APjAAAUA8p20Jyli3QKuNCokO/nQ0jQOnTfwX8y6Cj0qif0Uy5tatjCT hUhDyfX3AgODO3WWbY/Mn0rGMA== X-Google-Smtp-Source: APXvYqxqLMZLObI4g6zZW9VcKnr4CipDHSCKx/0EDUKhVbKy3JsyNqsjvs46oHuRWkPQM9Vx72Yhyg== X-Received: by 2002:a17:90a:e397:: with SMTP id b23mr1956387pjz.140.1559857497147; Thu, 06 Jun 2019 14:44:57 -0700 (PDT) Received: from hermes.lan (204-195-22-127.wavecable.com. [204.195.22.127]) by smtp.gmail.com with ESMTPSA id 137sm102003pfz.116.2019.06.06.14.44.56 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 06 Jun 2019 14:44:57 -0700 (PDT) Date: Thu, 6 Jun 2019 14:44:55 -0700 From: Stephen Hemminger To: Roman Mashak Cc: netdev@vger.kernel.org, kernel@mojatatu.com, jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us Subject: Re: [PATCH iproute2 1/1] tc: Fix binding of gact action by index. Message-ID: <20190606144455.6180db2b@hermes.lan> In-Reply-To: <1559856729-32376-1-git-send-email-mrv@mojatatu.com> References: <1559856729-32376-1-git-send-email-mrv@mojatatu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, 6 Jun 2019 17:32:09 -0400 Roman Mashak wrote: > The following operation fails: > % sudo tc actions add action pipe index 1 > % sudo tc filter add dev lo parent ffff: \ > protocol ip pref 10 u32 match ip src 127.0.0.2 \ > flowid 1:10 action gact index 1 > > Bad action type index > Usage: ... gact [RAND] [INDEX] > Where: ACTION := reclassify | drop | continue | pass | pipe | > goto chain | jump > RAND := random > RANDTYPE := netrand | determ > VAL : = value not exceeding 10000 > JUMP_COUNT := Absolute jump from start of action list > INDEX := index value used > > However, passing a control action of gact rule during filter binding works: > > % sudo tc filter add dev lo parent ffff: \ > protocol ip pref 10 u32 match ip src 127.0.0.2 \ > flowid 1:10 action gact pipe index 1 > > Binding by reference, i.e. by index, has to consistently work with > any tc action. > > Since tc is sensitive to the order of keywords passed on the command line, > we can teach gact to skip parsing arguments as soon as it sees 'gact' > followed by 'index' keyword. > > Signed-off-by: Roman Mashak Applied