From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 9047D374D for ; Sat, 31 Oct 2015 17:26:08 +0100 (CET) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP; 31 Oct 2015 09:26:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,224,1444719600"; d="scan'208";a="839591199" Received: from fmsmsx104.amr.corp.intel.com ([10.18.124.202]) by orsmga002.jf.intel.com with ESMTP; 31 Oct 2015 09:26:08 -0700 Received: from fmsmsx118.amr.corp.intel.com (10.18.116.18) by fmsmsx104.amr.corp.intel.com (10.18.124.202) with Microsoft SMTP Server (TLS) id 14.3.248.2; Sat, 31 Oct 2015 09:26:07 -0700 Received: from fmsmsx113.amr.corp.intel.com ([169.254.13.155]) by fmsmsx118.amr.corp.intel.com ([169.254.1.85]) with mapi id 14.03.0248.002; Sat, 31 Oct 2015 09:26:07 -0700 From: "Wiles, Keith" To: Jesper Wramberg , "users@dpdk.org" Thread-Topic: [dpdk-users] Low TX performance on Mellanox ConnectX-3 NIC Thread-Index: AQHRE7m3gFHiNs6v5UqVdDLz3nXlx56F68GA Date: Sat, 31 Oct 2015 16:26:06 +0000 Message-ID: <33B60D25-BE18-4B13-B62C-652F37E478DC@intel.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.252.141.54] Content-Type: text/plain; charset="utf-8" Content-ID: <831F52B58C67DF40A1A753694A95F8F2@intel.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Subject: Re: [dpdk-users] Low TX performance on Mellanox ConnectX-3 NIC X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 31 Oct 2015 16:26:09 -0000 T24gMTAvMzEvMTUsIDM6NTQgQU0sICJ1c2VycyBvbiBiZWhhbGYgb2YgSmVzcGVyIFdyYW1iZXJn IiA8dXNlcnMtYm91bmNlc0BkcGRrLm9yZyBvbiBiZWhhbGYgb2YgamVzcGVyLndyYW1iZXJnQGdt YWlsLmNvbT4gd3JvdGU6DQoNCj5IaSBhbGwsDQo+DQo+DQo+DQo+SSBhbSBleHBlcmllbmNpbmcg c29tZSBwZXJmb3JtYW5jZSBpc3N1ZXMgaW4gYSBzb21ld2hhdCBjdXN0b20gc2V0dXAgd2l0aA0K PnR3byBNZWxsYW5veCBDb25uZWN0WC0zIE5JQ3MuIEkgcmVhbGl6ZSB0aGVzZSBpc3N1ZXMgbWln aHQgYmUgZHVlIHRvIHRoZQ0KPnNldHVwLCBidXQgSSB3YXMgaG9waW5nIHNvbWVvbmUgbWlnaHQg YmUgYWJsZSB0byBwaW5wb2ludCBzb21lIHBvc3NpYmxlDQo+cHJvYmxlbXMvYm90dGxlbmVja3Mu DQo+DQo+DQo+DQo+DQo+VGhlIHNlcnZlcjoNCj4NCj5JIGhhdmUgYSBEZWxsIFBvd2VyRWRnZSBS NjMwIHdpdGggdHdvIE1lbGxhbm94IENvbm5lY3RYLTMgTklDcyAob25lIG9uIGVhY2gNCj5zb2Nr ZXQpLiBJIGhhdmUgYSBtaW5pbWFsIENlbnRvcyA3LjEuMTUwMyBpbnN0YWxsZWQgd2l0aCBrZXJu ZWwtMy4xMC4wLTIyOS4NCj5Ob3RlIHRoYXQgdGhpcyBrZXJuZWwgaXMgcmUtYnVpbGQgd2l0aCBt b3N0IHRoaW5ncyBkaXNhYmxlZCB0byBtaW5pbWl6ZQ0KPnNpemUsIGV0Yy4gSXQgaGFzIGluZmlu aWJhbmQgZW5hYmxlZCwgaG93ZXZlciwgYW5kIG1seDRfY29yZSBhcyBhIG1vZHVsZQ0KPihzaW5j ZSBub3RoaW5nIHdvcmtzIG90aGVyd2lzZSkuIEZpbmFsbHksIEkgaGF2ZSBjb25uZWN0ZWQgdGhl IHR3byBOSUNzDQo+ZnJvbSBwb3J0IDIgdG8gcG9ydCAyLg0KPg0KPg0KPg0KPlRoZSBmaXJtd2Fy ZToNCj4NCj5JIGhhdmUgaW5zdGFsbGVkIHRoZSBsYXRlc3QgZmlybXdhcmUgZm9yIHRoZSBOSUNz IGZyb20gZGVsbCB3aGljaCBpcw0KPjIuMzQuNTA2MC4NCj4NCj4NCj4NCj5UaGUgZHJpdmVycywg bW9kdWxlcywgZXRjLjoNCj4NCj5JIGhhdmUgZG93bmxvYWRlZCB0aGUgTWVsbGFub3ggT0ZFRCBw YWNrYWdlIDMuMSBmb3IgQ2VudG9zIDcuMSBhbmQgdXNlZCBpdHMNCj5yZWJ1aWxkIGZlYXR1cmUg dG8gYnVpbGQgaXQgYWdhaW5zdCB0aGUgY3VzdG9tIGtlcm5lbC4gSSBoYXZlIGluc3RhbGxlZCBp dA0KPnVzaW5nIHRoZSAtLWJhc2ljIG9wdGlvbiBzaW5jZSBJIGp1c3Qgd2FudCBsaWJpYnZlcmJz LCBsaWJtbHg0LCBrZXJuZWwNCj5tb2R1bGVzIGFuZCBvcGVuaWJkIHNlcnZpY2Ugc3R1ZmYuIFRo ZSBtbHg0X2NvcmUuY29uZiBpcyBzZXQgZm9yIGV0aGVybmV0DQo+b24gYWxsIHBvcnRzLiBNb3Jl b3ZlciwgaXQgaXMgY29uZmlndXJlZCBmb3IgZmxvdyBzdGVlcmluZyBtb2RlIC03IGFuZCBhDQo+ ZmV3IFZGcy4gSSBjYW4gcmVzdGFydCB0aGUgb3BlbmliZCBzZXJ2aWNlIHN1Y2Nlc3NmdWxseSBh bmQgZXZlcnl0aGluZw0KPnNlZW1zIHRvIGJlIHdvcmtpbmcuIGliZGV2Mm5ldGRldiByZXBvcnRz IHRoZSBOSUNzIGFuZCBpdHMgVkZzLCBldGMuIFRoZQ0KPm9ubHkgcHJvYmxlbXMgSSBoYXZlIGVu Y291bnRlcmVkIGF0IHRoaXMgc3RhZ2UgaXMgdGhhdCB0aGUgbGlua3MgZG9lc24ndA0KPmFsd2F5 cyBzZWVtIHRvIGNvbWUgdXAgdW5sZXNzIEkgdW5wbHVnIGFuZCByZS1wbHVnIHRoZSBjYWJsZXMu DQo+DQo+DQo+DQo+RFBESyBzZXR1cDoNCj4NCj5JIGhhdmUgYnVpbHQgRFBESyB3aXRoIHRoZSBt bHg0IHBtZCB1c2luZyB0aGUgLmgvLmEgZmlsZXMgZnJvbSB0aGUgT0ZFRA0KPnBhY2thZ2UuIEkg YnVpbGQgaXQgdXNpbmcgdGhlIGRlZmF1bHQgdmFsdWVzIGZvciBldmVyeXRoaW5nLiBSdW5uaW5n IHRoZQ0KPnNpbXBsZSBoZWxsbyB3b3JsZCBleGFtcGxlIEkgY2FuIHNlZSB0aGF0IGV2ZXJ5dGhp bmcgaXMgaW5pdGlhbGl6ZWQNCj5jb3JyZWN0bHksIGV0Yy4NCj4NCj4NCj4NCj5UZXN0IHNldHVw Og0KPg0KPlRvIHRlc3QgdGhlIHBlcmZvcm1hbmNlIG9mIHRoZSBOSUNzIEkgaGF2ZSB0aGUgZm9s bG93aW5nIHNldHVwLiBUd28NCj5wcm9jZXNzZXMsIFAxIGFuZCBQMiwgcnVubmluZyBvbiBOSUMg QS4gVHdvIG90aGVyIHByb2Nlc3NlcywgUDMgYW5kIFA0LA0KPnJ1bm5pbmcgb24gTklDIEIuIEFs bCBwcm9jZXNzZXMgdXNlIHZpcnR1YWwgZnVuY3Rpb25zIG9uIHRoZWlyIHJlc3BlY3RpdmUNCj5O SUNzLiBEZXBlbmRpbmcgb24gdGhlIHRlc3QsIHRoZSBwcm9jZXNzZXMgY2FuIGVpdGhlciB0cmFu c21pdCBvciByZWNlaXZlDQo+ZGF0YS4gVG8gdHJhbnNtaXQsIEkgdXNlIGEgc2ltcGxlIERQREsg cHJvZ3JhbSB3aGljaCBnZW5lcmF0ZXMgMzIwMDANCj5wYWNrZXRzIGFuZCB0cmFuc21pdHMgdGhl bSBvdmVyIGFuZCBvdmVyIHVudGlsIGl0IGhhcyBzZW50IDY0MCBtaWxsaW9uDQo+cGFja2V0cy4g U2ltaWxhcmx5LCBJIHVzZSBhIHNpbXBsZSBEUERLIHByb2dyYW0gdG8gcmVjZWl2ZSB3aGljaCBp cw0KPmJhc2ljYWxseSB0aGUgbGF5ZXIgMiBmb3J3YXJkaW5nIGV4YW1wbGUgd2l0aG91dCByZS10 cmFuc21pc3Npb24uDQo+DQo+DQo+DQo+Rmlyc3QgdGVzdDoNCj4NCj5JbiBteSBmaXJzdCB0ZXN0 LCBQMSB0cmFuc21pdHMgZGF0YSB0byBQMyB3aGlsZSB0aGUgb3RoZXIgcHJvY2Vzc2VzIGFyZQ0K PmlkbGUuDQo+DQo+UGFja2V0IHNpemU6IDE0ODAgYnl0ZSBwYWNrZXRzDQo+DQo+RmxvdyBjb250 cm9sOiBPbi9PZmYsIGRvZXNu4oCZdCBtYXR0ZXIgSSBnZXQgc2FtZSByZXN1bHQuDQo+DQo+UmVz dWx0OiBQMyByZWNlaXZlIGFsbCBwYWNrZXRzIGJ1dCBpdCB0YWtlcyAxOTIuNTIgc2Vjb25kcyB+ IDMuMzIgTXBwcyB+DQo+NC45R2JpdC9zDQo+DQo+DQo+DQo+U2Vjb25kIHRlc3Q6DQo+DQo+SSBt eSBzZWNvbmQgdGVzdCwgSSBhdHRlbXB0IHRvIGluY3JlYXNlIHRoZSBhbW91bnQgb2YgZGF0YSB0 cmFuc21pdHRlZCBvdmVyDQo+TklDIEEuIEFzIHN1Y2gsIFAxIHRyYW5zbWl0cyBkYXRhIHRvIFAz IHdoaWxlIFAyIHRyYW5zbWl0cyBkYXRhIHRvIFA0Lg0KPg0KPlBhY2tldCBzaXplOiAxNDgwIGJ5 dGUgcGFja2V0cw0KPg0KPkZsb3cgY29udHJvbDogT24vT2ZmLCBkb2VzbuKAmXQgbWF0dGVyIEkg Z2V0IHNhbWUgcmVzdWx0Lg0KPg0KPlJlc3VsdHM6IFAzIGFuZCBQNCByZWNlaXZlIGFsbCBwYWNr ZXRzIGJ1dCBpdCB0YWtlcyAzNjQuNDAgc2Vjb25kcyB+IDEuNzUNCj5NcHBzIH4gMi42R2JpdC9z IGZvciBhIHNpbmdsZSBwcm9jZXNzIHRvIGdldCBpdHMgZGF0YSB0cmFuc21pdHRlZC4NCj4NCg0K T25lIHN1Z2dlc3Rpb24gSSBoYXZlIHdvdWxkIGJlIHRvIHNwbGl0IHRoZSBwcm9ibGVtIGludG8g dHdvIHBhcnRzIGJ5IGxvb3BpbmcgdGhlIGNhYmxlIG9yIHBhY2tldHMgYmFjayB0byB0aGUgbWFj aGluZSBzZW5kaW5nIHRoZSBwYWNrZXRzIGFuZCBzZWUgd2hhdCB0aGUgcGVyZm9ybWFuY2UgaXMg aW4gdGhhdCBjYXNlLiBUaGUgb3RoZXIgcG9zc2libGUgc3VnZ2VzdGlvbiBpcyB0byB0cnkgUGt0 Z2VuLWRwZGsgb24gdGhlIHR3byBtYWNoaW5lcyB3aXRoIHRoZSBjYWJsZXMgbG9vcGVkIGJhY2sg dG8gdGhlbSBzZWx2ZXMgYW5kIHNlZSB3aGF0IFBrdGdlbiBwZXJmb3JtYW5jZSBpcyBpbiB0aGF0 IGNhc2UuIEkgZG8gbm90IGtub3cgd2hhdCB0aGUgcHJvYmxlbSBpcyBJIGFtIG9ubHkgc3VnZ2Vz dGluZyB5b3UgdHJ5IHNvbWUgYXBwbGljYXRpb25zIHdlIGtub3cgd29yayBhbmQgc2ltcGxpZnkg dGhlIGNvbmZpZ3VyYXRpb24uIEkgaG9wZSB0aGlzIGhlbHBzLg0KPg0KPg0KPg0KPg0KPkRvZXMg YW55b25lIGhhcyBhbnkgaWRlYSB3aGF0IEkgYW0gZG9pbmcgd3JvbmcgaGVyZSA/IEluIHRoZSBz ZWNvbmQgdGVzdCBJDQo+d291bGQgZXhwZWN0IFAxIHRvIHRyYW5zbWl0IHdpdGggdGhlIHNhbWUg c3BlZWQgYXMgaW4gdGhlIGZpcnN0IHRlc3QuIEl0DQo+c2VlbXMgdGhhdCB0aGVyZSBpcyBhIGJv dHRsZW5lY2sgc29tZXdoZXJlLCBob3dldmVyLiBJIGhhdmUgbGVmdCBtb3N0DQo+dGhpbmdzIHRv IHRoZWlyIGRlZmF1bHQgdmFsdWVzIGJ1dCBoYXZlIGFsc28gdHJpZWQgdHdlYWtpbmcgcXVldWUg c2l6ZXMsDQo+bnVtYmVyIG9mIHF1ZXVlcywgaW50ZXJydXB0cywgZXRjLiB3aXRoIG5vIGx1Y2sN Cj4NCj4NCj4NCj4NCj4NCj5CZXN0IFJlZ2FyZHMsDQo+DQo+SmVzcGVyDQo+DQoNCg0KUmVnYXJk cywNCktlaXRoDQoNCg0KDQoNCg==