From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net] netvsc: increase default receive buffer size Date: Fri, 15 Sep 2017 14:48:00 -0700 (PDT) Message-ID: <20170915.144800.2030136921935006857.davem@davemloft.net> References: <20170914163107.8404-1-sthemmin@microsoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, haiyangz@microsoft.com, sthemmin@microsoft.com, devel@linuxdriverproject.org To: stephen@networkplumber.org Return-path: In-Reply-To: <20170914163107.8404-1-sthemmin@microsoft.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" List-Id: netdev.vger.kernel.org From: Stephen Hemminger Date: Thu, 14 Sep 2017 09:31:07 -0700 > The default receive buffer size was reduced by recent change > to a value which was appropriate for 10G and Windows Server 2016. > But the value is too small for full performance with 40G on Azure. > Increase the default back to maximum supported by host. > > Fixes: 8b5327975ae1 ("netvsc: allow controlling send/recv buffer size") > Signed-off-by: Stephen Hemminger Applied.