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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 91465C2D0A3 for ; Wed, 4 Nov 2020 13:04:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4188B2071A for ; Wed, 4 Nov 2020 13:04:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729795AbgKDNEg (ORCPT ); Wed, 4 Nov 2020 08:04:36 -0500 Received: from correo.us.es ([193.147.175.20]:56140 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728508AbgKDNEf (ORCPT ); Wed, 4 Nov 2020 08:04:35 -0500 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id E1B77D9AD6C for ; Wed, 4 Nov 2020 14:04:33 +0100 (CET) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id CDE8CDA840 for ; Wed, 4 Nov 2020 14:04:33 +0100 (CET) Received: by antivirus1-rhel7.int (Postfix, from userid 99) id CAD4FDA801; Wed, 4 Nov 2020 14:04:33 +0100 (CET) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 8C4EADA840; Wed, 4 Nov 2020 14:04:31 +0100 (CET) Received: from 192.168.1.97 (192.168.1.97) by antivirus1-rhel7.int (F-Secure/fsigk_smtp/550/antivirus1-rhel7.int); Wed, 04 Nov 2020 14:04:31 +0100 (CET) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/antivirus1-rhel7.int) Received: from us.es (unknown [90.77.255.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: 1984lsi) by entrada.int (Postfix) with ESMTPSA id 6836142EF9E2; Wed, 4 Nov 2020 14:04:31 +0100 (CET) Date: Wed, 4 Nov 2020 14:04:31 +0100 X-SMTPAUTHUS: auth mail.us.es From: Pablo Neira Ayuso To: Phil Sutter Cc: netfilter-devel@vger.kernel.org Subject: Re: [nft PATCH 0/2] src: Optimize prefix matches on byte-boundaries Message-ID: <20201104130431.GA5304@salvia> References: <20201027165602.26630-1-phil@nwl.cc> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20201027165602.26630-1-phil@nwl.cc> User-Agent: Mutt/1.10.1 (2018-07-13) X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org On Tue, Oct 27, 2020 at 05:56:00PM +0100, Phil Sutter wrote: > This mini-series optimizes prefix matches to skip the "bitwise" > expression if they are byte-bound. We can simply reduce "cmp" expression > length to achieve the same effect. > > The first patch adds support for delinearization, this enables correct > display of the IP address prefix matches added by iptables-nft with my > (not yet accepted) patch applied. > > The second patch enables nft to create such bytecode itself. Patches LGTM, thanks.