From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752608AbdHVVIa (ORCPT ); Tue, 22 Aug 2017 17:08:30 -0400 Received: from shards.monkeyblade.net ([184.105.139.130]:43812 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752237AbdHVVI2 (ORCPT ); Tue, 22 Aug 2017 17:08:28 -0400 Date: Tue, 22 Aug 2017 14:08:27 -0700 (PDT) Message-Id: <20170822.140827.1102230677662395664.davem@davemloft.net> To: haiyangz@microsoft.com, haiyangz@exchange.microsoft.com Cc: netdev@vger.kernel.org, kys@microsoft.com, olaf@aepfle.de, vkuznets@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next,0/4] hv_netvsc: Ethtool handler to change UDP hash levels From: David Miller In-Reply-To: <1503368560-14331-1-git-send-email-haiyangz@exchange.microsoft.com> References: <1503368560-14331-1-git-send-email-haiyangz@exchange.microsoft.com> X-Mailer: Mew version 6.7 on Emacs 25.2 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Tue, 22 Aug 2017 14:08:28 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Haiyang Zhang Date: Mon, 21 Aug 2017 19:22:36 -0700 > From: Haiyang Zhang > > The patch set adds the functions to switch UDP hash level between > L3 and L4 by ethtool command. UDP over IPv4 and v6 can be set > differently. The default hash level is L4. We currently only > allow switching TX hash level from within the guests. > > The ethtool callback function is triggered by command line, and > update the per device variables of the hash level. > > On Azure, fragmented UDP packets is not yet supported with L4 > hashing, and may have high packet loss rate. Using L3 hashing is > recommended in this case. This ethtool option allows a user to > make this selection. Series applied, thanks.