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=-0.8 required=3.0 tests=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 357E0C432C0 for ; Mon, 18 Nov 2019 08:13:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0AB522084C for ; Mon, 18 Nov 2019 08:13:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="gj/YWbNd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727016AbfKRINC (ORCPT ); Mon, 18 Nov 2019 03:13:02 -0500 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:42255 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726371AbfKRINB (ORCPT ); Mon, 18 Nov 2019 03:13:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1574064780; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=9M1GO7Jcz+E4ubKpi34+wAv5/ElE1D0phJmGo13V494=; b=gj/YWbNdlj6AvLmKATeTpMZ4BUKb4ir4jZsxe+9epkKPhfsxZoSiXCSuvDxdjELIQQ4/Md 0ADye8k5F6KIWX6d9LTBlagK1jdPBaMqQd/2fOmeJ7AhVQLVIezB5HkjLRZx64Izsa7AMT xDcAdR4wW+A6WScDx0SWgQPRc0LR1e8= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-197-UAexkJx4NK6Eno7H6hyFfA-1; Mon, 18 Nov 2019 03:12:57 -0500 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E7F02107ACC4; Mon, 18 Nov 2019 08:12:55 +0000 (UTC) Received: from ovpn-117-52.ams2.redhat.com (ovpn-117-52.ams2.redhat.com [10.36.117.52]) by smtp.corp.redhat.com (Postfix) with ESMTP id C7265600CD; Mon, 18 Nov 2019 08:12:54 +0000 (UTC) Message-ID: <79d02669656d56dc761fe39610d9e83eec83fe59.camel@redhat.com> Subject: Re: [PATCH net-next 0/2] net: introduce and use route hint From: Paolo Abeni To: David Miller Cc: netdev@vger.kernel.org, willemdebruijn.kernel@gmail.com, ecree@solarflare.com Date: Mon, 18 Nov 2019 09:12:53 +0100 In-Reply-To: <20191116.120934.1197611919693218297.davem@davemloft.net> References: <20191116.120934.1197611919693218297.davem@davemloft.net> User-Agent: Evolution 3.32.4 (3.32.4-1.fc30) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-MC-Unique: UAexkJx4NK6Eno7H6hyFfA-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Sat, 2019-11-16 at 12:09 -0800, David Miller wrote: > From: Paolo Abeni > Date: Sat, 16 Nov 2019 10:14:49 +0100 >=20 > > This series leverages the listification infrastructure to avoid > > unnecessary route lookup on ingress packets. In absence of policy routi= ng, > > packets with equal daddr will usually land on the same dst. > >=20 > > When processing packet bursts (lists) we can easily reference the previ= ous > > dst entry. When we hit the 'same destination' condition we can avoid th= e > > route lookup, coping the already available dst. > >=20 > > Detailed performance numbers are available in the individual commit mes= sages. >=20 > Looks like there are some problems with the unconditional use of > fib{6}_has_custom_rules in this series. Whoops... I forgot the dependency on CONFIG_IP*_MULTIPLE_TABLES. I'll fix that in the next iteration. Thanks, Paolo