Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965925AbcDLTb6 (ORCPT ); Tue, 12 Apr 2016 15:31:58 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:55248 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965754AbcDLTb4 (ORCPT ); Tue, 12 Apr 2016 15:31:56 -0400 From: "Machani, Yaniv" To: Ben Greear , netdev CC: Eric Dumazet , "David S. Miller" , Eric Dumazet , Neal Cardwell , Yuchung Cheng , Nandita Dukkipati , open list , "Kama, Meirav" Subject: RE: TCP reaching to maximum throughput after a long time Thread-Topic: TCP reaching to maximum throughput after a long time Thread-Index: AdGUtUgUUC2AurLuQ6Wg1hy5fbMrTQABOykAAABsewAADUV+wA== Date: Tue, 12 Apr 2016 19:31:48 +0000 Message-ID: References: <1460472764.6473.589.camel@edumazet-glaptop3.roam.corp.google.com> <570D0E94.3080006@candelatech.com> In-Reply-To: <570D0E94.3080006@candelatech.com> Accept-Language: en-US, he-IL Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.167.188.42] x-exclaimer-md-config: f9c360f5-3d1e-4c3c-8703-f45bf52eff6b Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id u3CJW4Un012653 Content-Length: 572 Lines: 19 On Tue, Apr 12, 2016 at 18:04:52, Ben Greear wrote: > On 04/12/2016 07:52 AM, Eric Dumazet wrote: > > On Tue, 2016-04-12 at 12:17 +0000, Machani, Yaniv wrote: >>> > > If you are using 'Cubic' TCP congestion control, then please try > something different. > It was broken last I checked, at least when used with the ath10k driver. > Thanks Ben, this indeed seems to be the issue ! Switching to reno got me to max throughput instantly. I'm still looking through the thread you have shared, but from what I understand there is no planned fix for it ? -- Thanks, Yaniv