From owner-freebsd-current@FreeBSD.ORG Wed Nov 19 19:33:01 2014 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id E04EABEE; Wed, 19 Nov 2014 19:33:01 +0000 (UTC) Received: from mail-wg0-x22c.google.com (mail-wg0-x22c.google.com [IPv6:2a00:1450:400c:c00::22c]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 841408FE; Wed, 19 Nov 2014 19:33:01 +0000 (UTC) Received: by mail-wg0-f44.google.com with SMTP id b13so1696430wgh.31 for ; Wed, 19 Nov 2014 11:32:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=NjSow/MTM5NHxeyowHQWK7uewTv/Z45O0MpQg6oel6o=; b=Vpb3eWeJCi4BKVoT0qZymonEbpAUyVOGrD/zHqa8nTvVaOnWa5WImf8eETqoVXg8vd BJWBVhfqHapY0TDOaAo9MWcWhSWmUOHxx/c8b6CLrXmrQHCH9qIklK/gk55j+EuKaUnc 9+PCpG8ixf9XpqZKLCTwb/hwvPaelJO3+LZWffoITfGdIvNmgvEtHO9iat61x8Z/+0UJ 080wICZr6OZWJ1hQD4vmKSlb2VvedZBcdb5o3jqPVlfYzoMwU4Gg/NA4wE5H6cPVOGi0 gn+68gDBGMlPB7wwGU5WbSonFfE6EuIPvQg4PVfxUakT6hZT9e42hzzSMYWobjcQDS3q Vrmg== MIME-Version: 1.0 X-Received: by 10.180.83.98 with SMTP id p2mr16252063wiy.20.1416425579817; Wed, 19 Nov 2014 11:32:59 -0800 (PST) Sender: adrian.chadd@gmail.com Received: by 10.216.106.136 with HTTP; Wed, 19 Nov 2014 11:32:59 -0800 (PST) In-Reply-To: <546CEEAB.7000207@selasky.org> References: <546CE948.2070105@selasky.org> <546CEEAB.7000207@selasky.org> Date: Wed, 19 Nov 2014 11:32:59 -0800 X-Google-Sender-Auth: DF3fJGFOEaTB35A1twa8T-PEJU0 Message-ID: Subject: Re: [RFC] Removal of M_FLOWID flag from m_flags [WAS: Add support for hardware transmit rate limiting queues] From: Adrian Chadd To: Hans Petter Selasky Content-Type: text/plain; charset=UTF-8 Cc: Lawrence Stewart , FreeBSD Current , Luigi Rizzo , Navdeep Parhar X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Nov 2014 19:33:02 -0000 The RSS hash is also used for: * TCP timers, * UDP transmit, and * the transmit path in RSS aware drivers (igb / ixgbe) -adrian On 19 November 2014 11:25, Hans Petter Selasky wrote: > On 11/19/14 20:23, Adrian Chadd wrote: >> >> Hm, how are we going to have the RSS stuff work at the same time as >> the hardware flow steering stuff you're prototyping? >> > > Hi Adrain, > > RSS is only the receive side and its functionality is not touched. I'm just > re-using the RSS fields for the transmit side, where the "rsstype" is > currently not used. > > Do you see anything broken in my patch? > > --HPS >