Return-path: Received: from smtp-out4.electric.net ([192.162.216.181]:52839 "EHLO smtp-out4.electric.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755342AbbBFPVS (ORCPT ); Fri, 6 Feb 2015 10:21:18 -0500 From: David Laight To: 'Eric Dumazet' , Michal Kazior CC: Neal Cardwell , linux-wireless , Network Development , "eyalpe@dev.mellanox.co.il" Subject: RE: Throughput regression with `tcp: refine TSO autosizing` Date: Fri, 6 Feb 2015 14:31:10 +0000 Message-ID: <063D6719AE5E284EB5DD2968C1650D6D1CADF4EC@AcuExch.aculab.com> (sfid-20150206_162138_909638_58978C2A) References: <1422537297.21689.15.camel@edumazet-glaptop2.roam.corp.google.com> <1422628835.21689.95.camel@edumazet-glaptop2.roam.corp.google.com> <1422903136.21689.114.camel@edumazet-glaptop2.roam.corp.google.com> <1422926330.21689.138.camel@edumazet-glaptop2.roam.corp.google.com> <1422973660.907.10.camel@edumazet-glaptop2.roam.corp.google.com> <1423051045.907.108.camel@edumazet-glaptop2.roam.corp.google.com> <1423053531.907.115.camel@edumazet-glaptop2.roam.corp.google.com> <1423055810.907.125.camel@edumazet-glaptop2.roam.corp.google.com> <1423056591.907.130.camel@edumazet-glaptop2.roam.corp.google.com> <1423084303.31870.15.camel@edumazet-glaptop2.roam.corp.google.com> <1423141038.31870.38.camel@edumazet-glaptop2.roam.corp.google.com> <1423142342.31870.49.camel@edumazet-glaptop2.roam.corp.google.com> <1423147286.31870.59.camel@edumazet-glaptop2.roam.corp.google.com> <1423156205.31870.86.camel@edumazet-glaptop2.roam.corp.google.com> <1423230001.31870.128.camel@edumazet-glaptop2.roam.corp.google.com> <1423230785.31870.131.camel@edumazet-glaptop2.roam.corp.google.com> <1423231841.31870.133.camel@edumazet-glaptop2.roam.corp.google.com> In-Reply-To: <1423231841.31870.133.camel@edumazet-glaptop2.roam.corp.google.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: RnJvbTogRXJpYyBEdW1hemV0DQo+IE9uIEZyaSwgMjAxNS0wMi0wNiBhdCAwNTo1MyAtMDgwMCwg RXJpYyBEdW1hemV0IHdyb3RlOg0KPiANCj4gDQo+ID4gd2lmaSBjb3VsZCBldmVudHVhbGx5IGRv IHRoYXQsIHByb3ZpZGluZyBpbiBza2ItPnR4X2NvbXBsZXRpb25fZGVsYXlfdXMNCj4gPiB0aGUg dGltZSBzcGVudCBpbiB3aWZpIGRyaXZlci4NCj4gPg0KPiA+IFRoaXMgd2F5LCB3ZSB3b3VsZCBo YXZlIG5vIHBlbmFsdHkgZm9yIG5ldHdvcmsgZGV2aWNlcyBkb2luZyBub3JtYWwgc2tiDQo+ID4g b3JwaGFuaW5nIChsb29wYmFjayBpbnRlcmZhY2UsIGV0aGVybmV0LCAuLi4pDQo+IA0KPiBBbm90 aGVyIHdheSB3b3VsZCBiZSB0aGF0IHdpZmkgZG9lcyBhbiBhdXRvbWF0aWMgb3JwaGFuaW5nIGFm dGVyIDEgb3INCj4gMm1zLg0KDQpDb3VsZG4ndCB5b3UgZG8gYnl0ZSBjb3VudGluZz8NClNvIG9y cGhhbiBlbm91Z2ggcGFja2V0cyB0byBrZWVwIGEgZmV3IG1zIG9mIHR4IHRyYWZmaWMgKGF0IHRo ZSBjdXJyZW50DQp0eCByYXRlKSBvcnBoYW5lZC4NCllvdSBtaWdodCBuZWVkIHRvIGdpdmUgdGhl IGhhcmR3YXJlIGJvdGggb3JwaGFuZWQgYW5kIG5vbi1vcnBoYW5lZCAocGFyZW50ZWQ/KQ0KcGFj a2V0cyBhbmQgb3JwaGFuIHNvbWUgd2hlbiB5b3UgZ2V0IGEgdHggY29tcGxldGUgZm9yIGFuIG9y cGhhbmVkIHBhY2tldC4NCg0KCURhdmlkDQoNCg==