From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net] netvsc: reduce maximum GSO size Date: Wed, 07 Dec 2016 13:14:03 -0500 (EST) Message-ID: <20161207.131403.2019170607133977153.davem@davemloft.net> References: <20161206214354.15473-1-sthemmin@microsoft.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, sthemmin@microsoft.com To: stephen@networkplumber.org Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:36894 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932166AbcLGSOF (ORCPT ); Wed, 7 Dec 2016 13:14:05 -0500 In-Reply-To: <20161206214354.15473-1-sthemmin@microsoft.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Stephen Hemminger Date: Tue, 6 Dec 2016 13:43:54 -0800 > Hyper-V (and Azure) support using NVGRE which requires some extra space > for encapsulation headers. Because of this the largest allowed TSO > packet is reduced. > > For older releases, hard code a fixed reduced value. For next release, > there is a better solution which uses result of host offload > negotiation. > > Signed-off-by: Stephen Hemminger > --- > Please queue this for stable as well. Applied and queued up for -stable, thanks.