From owner-freebsd-net@freebsd.org Wed May 18 01:15:07 2016 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A870BB401D7 for ; Wed, 18 May 2016 01:15:07 +0000 (UTC) (envelope-from daemon-user@freebsd.org) Received: from reviews.nyi.freebsd.org (reviews.nyi.freebsd.org [IPv6:2610:1c1:1:607c::16:b]) by mx1.freebsd.org (Postfix) with ESMTP id 830E61A28 for ; Wed, 18 May 2016 01:15:07 +0000 (UTC) (envelope-from daemon-user@freebsd.org) Received: by reviews.nyi.freebsd.org (Postfix, from userid 1346) id 2DC0B1629A; Wed, 18 May 2016 01:15:07 +0000 (UTC) Date: Wed, 18 May 2016 01:15:07 +0000 To: freebsd-net@freebsd.org From: "sepherosa_gmail.com (Sepherosa Ziehau)" Reply-to: D6406+325+76b767348064de43@reviews.freebsd.org Subject: [Differential] D6406: mbuf: Add a flag for M_HASHTYPE_ to indicate the type has hash properties Message-ID: X-Priority: 3 X-Phabricator-Sent-This-Message: Yes X-Mail-Transport-Agent: MetaMTA X-Auto-Response-Suppress: All X-Phabricator-Mail-Tags: Thread-Topic: D6406: mbuf: Add a flag for M_HASHTYPE_ to indicate the type has hash properties X-Herald-Rules: none X-Phabricator-To: X-Phabricator-To: X-Phabricator-To: X-Phabricator-To: X-Phabricator-To: X-Phabricator-To: X-Phabricator-To: X-Phabricator-To: X-Phabricator-To: X-Phabricator-To: X-Phabricator-Cc: X-Phabricator-Cc: Precedence: bulk In-Reply-To: References: Thread-Index: NTE3YjE0YWU1ZTZhYmMwODc0YTM1NDI5ZGZkIFc7whs= MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="utf-8" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.22 List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 May 2016 01:15:07 -0000 sepherosa_gmail.com added a comment. In https://reviews.freebsd.org/D6406#136037, @hselasky wrote: > What is the advantage of this bit versus a hash-type range check? Range check is not helpful. Some drivers' OPAQUE flowid is actually RSS hash value (it just does not know the RSS hash type for some reasons). REVISION DETAIL https://reviews.freebsd.org/D6406 EMAIL PREFERENCES https://reviews.freebsd.org/settings/panel/emailpreferences/ To: sepherosa_gmail.com, #network, adrian, delphij, rwatson, gnn, glebius, rrs, bz, gallatin Cc: hselasky, freebsd-net-list