From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 19DB0C282C3 for ; Tue, 22 Jan 2019 11:35:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E33EA20879 for ; Tue, 22 Jan 2019 11:35:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728071AbfAVLf1 (ORCPT ); Tue, 22 Jan 2019 06:35:27 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([146.101.78.151]:21301 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727932AbfAVLf1 (ORCPT ); Tue, 22 Jan 2019 06:35:27 -0500 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-187-QlMWdf_PM3uzHTmIzaCILQ-1; Tue, 22 Jan 2019 11:35:23 +0000 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 22 Jan 2019 11:35:51 +0000 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Tue, 22 Jan 2019 11:35:51 +0000 From: David Laight To: 'Saeed Mahameed' , Christoph Paasch CC: Nikola Ciprich , Saeed Mahameed , "davem@davemloft.net" , "netdev@vger.kernel.org" , "xiyou.wangcong@gmail.com" , "edumazet@google.com" Subject: RE: [Patch net v2] mlx5: fixup checksum for short ethernet frame padding Thread-Topic: [Patch net v2] mlx5: fixup checksum for short ethernet frame padding Thread-Index: AQHUr5Bjz2GyQC8+z0SJLVRmJRpx7aW7EFNg Date: Tue, 22 Jan 2019 11:35:51 +0000 Message-ID: <5e8baf8e4704463ebd5a23ab9d8eb7e5@AcuMS.aculab.com> References: <20181128061013.3885-1-xiyou.wangcong@gmail.com> <20181203.151724.648093455366632499.davem@davemloft.net> <20181213084010.GB6169@pcnci.linuxbox.cz> <20190105183518.GA29754@localhost.localdomain> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-MC-Unique: QlMWdf_PM3uzHTmIzaCILQ-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org RnJvbTogU2FlZWQgTWFoYW1lZWQNCj4gU2VudDogMTkgSmFudWFyeSAyMDE5IDAwOjQ2DQo+IE9u IFRodSwgSmFuIDE3LCAyMDE5IGF0IDU6MTkgUE0gQ2hyaXN0b3BoIFBhYXNjaA0KPiA8Y2hyaXN0 b3BoLnBhYXNjaEBnbWFpbC5jb20+IHdyb3RlOg0KPiA+DQo+ID4gSGVsbG8sDQo+ID4NCj4gPiBP biBTdW4sIEphbiA2LCAyMDE5IGF0IDM6MTIgQU0gU2FlZWQgTWFoYW1lZWQgPHNhZWVkbUBkZXYu bWVsbGFub3guY28uaWw+IHdyb3RlOg0KPiA+ID4NCj4gPiA+IE9uIFNhdCwgSmFuIDUsIDIwMTkg YXQgODozNSBQTSBOaWtvbGEgQ2lwcmljaA0KPiA+ID4gPG5pa29sYS5jaXByaWNoQGxpbnV4Ym94 LmN6PiB3cm90ZToNCj4gPiA+ID4NCj4gPiA+ID4gSGkgU2FlZWQsDQo+ID4gPiA+DQo+ID4gPiA+ DQo+ID4gPiA+ID4gTW9zdCBsaWtlbHkgdGhlIHNhbWUgaXNzdWUsIHdlIGFyZSBmaW5hbGl6aW5n IHRoZSBwYXRjaCBpbml0aWFsbHkNCj4gPiA+ID4gPiBwcm9wb3NlZCBieSBDb25nLCB5b3UgY2Fu IGZpbmQgaXQgaGVyZSwgSSBwbGFuIHRvIHN1Ym1pdCBpdCBuZXh0IHdlZWssDQo+ID4gPiA+ID4g YWZ0ZXIgYWxsIHRoZSByZWdyZXNzaW9uIHRlc3RzLg0KPiA+ID4gPiA+DQo+ID4gPiA+ID4gaHR0 cHM6Ly9naXQua2VybmVsLm9yZy9wdWIvc2NtL2xpbnV4L2tlcm5lbC9naXQvc2FlZWQvbGludXgu Z2l0L2NvbW1pdC8/aD10b3BpYy9jc3VtLWZpeA0KPiA+ID4gPiA+DQo+ID4gPiA+ID4gSXQgd291 bGQgYmUgbmljZSBpZiB5b3UgdmVyaWZ5IHRoaXMgZml4ZXMgeW91ciBpc3N1ZS4NCj4gPiA+ID4N Cj4gPiA+ID4gSSB0cmllZCA0LjIwLjAgKyB0aGlzIGZpeCBhbmQgdGhlIHByb2JsZW1zIGFyZSBn b25lISBoYXZlbid0IGRvbmUgYmFja3BvcnQgdG8gNC4xOSB5ZXQuDQo+ID4gPiA+DQo+ID4gPiA+ IGNoZWVycyENCj4gPiA+DQo+ID4gPiBUaGFua3MgbmlrIGZvciB5b3VyIGlucHV0LCB3ZSB3aWxs IHN1Ym1pdCBhIHNpbWlsYXIgZml4IHZlcnkgc29vbi4NCj4gPg0KPiA+IFdlIGFyZSBhbHNvIHNl ZWluZyBzaW1pbGFyIGlzc3VlcyBvbiB2NC4xNC45NCwgYXMgRXJpYydzIHBhdGNoIGdvdA0KPiA+ IGJhY2twb3J0ZWQgd2l0aCA2YmYzMmNkYTQ2ZWIuDQo+ID4NCj4gPiBJIGJhY2twb3J0ZWQgKGhh ZCB0byBkbyBzb21lIGNoYW5nZXMgdG8gc29sdmUgdGhlIGNvbmZsaWN0cykgeW91ciBmaXgNCj4g PiBmcm9tIHRvcGljL2NzdW0tZml4IHRvIHY0LjE0Ljk0LCBidXQgdGhlbiBJIHN0aWxsIGdldCB0 aGUgd2FybmluZyB3aGVuDQo+ID4gdGhlIGZyYW1lIGlzIGJpZ2dlciB0aGFuIEVUSF9aTEVOICh3 aGljaCBpcyBxdWl0ZSB1bnN1cnByaXNpbmcgOy0pKS4NCj4gDQo+IEhpIENocmlzdG9waCwNCj4g VGhpcyBpcyBhIGJ1bW1lciwgd2Ugb25seSBzYXcgdGhlIGlzc3VlIHdpdGggc3dpdGNoZXMgdGhh dCBhcmUgcGFkZGluZw0KPiBwYWNrZXRzIHVwIHRvIEVUSF9aTEVOLA0KPiBhbmQgdGhleSBuZXZl ciB0b3VjaCBwYWNrZXRzIGxhcmdlciB0aGFuIHRoaXMgc2l6ZSwgc3RpbGwgaSBhZ3JlZSB0aGF0 DQo+IHRoZSBpc3N1ZSBjb3VsZCBoYXBwZW4gd2l0aCBhbnkNCj4gcGFja2V0IHNpemUsIHdlIGp1 c3QgbmV2ZXIgc2F3IHN1Y2ggaGFyZHdhcmUvc3dpdGNoIHdoaWNoIHByb2R1Y2VzDQo+IHBhY2tl dHMgd2l0aCBub24temVybyBlbmQgcGFkZGluZyENCj4gDQo+IHRoZSBvbmx5IG9wdGlvbiBpIGNh biBzdWdnZXN0IGlzIHRvIGRpc2FibGUgY2hlY2tzdW0gY29tcGxldGUsIGl0IGNhbg0KPiBiZSBk b25lIHZpYSBhIHByaXYtZmxhZyB3aGljaCB3YXMgc3VibWl0dGVkDQo+IHRvIGtlcm5lbCB2NC4y MC4NCg0KSSdtIG5vdCBhdCBhbGwgc3VyZSBpdCBpcyB2YWxpZCB0byBhZGQgJ3JhbmRvbScgcGFk ZGluZyB0byBsb25nIGV0aGVybmV0IGZyYW1lcy4NCkNlcnRhaW5seSBMTEMgZnJhbWVzICh3aXRo IGEgbGVuZ3RoIG5vdCBhbiBldGhlcnR5cGUpIG11c3Qgbm90IGJlIHBhZGRlZA0KICAoYmV5b25k IHRoZSBtaW5pbXVtIGZyYW1lIHNpemUpLg0KSWYgdGhlIGV0aGVydHlwZSBpcyBJUCB0aGVuIHRo ZSBkYXRhIG5vbWluYWxseSBlbmRzIGF0IHRoZSBldGhlcm5ldCBDUkMuDQpGb3IgSVAgZnJhbWUg cGFkZGluZyBjYW4gb25seSBiZSBkZXRlY3RlZCBpZiB0aGUgSVAgZGF0YWdyYW0gZW5kcyBpbiB0 aGUgZXRoZXJuZXQgZnJhbWUuDQooV2lyZXNoYXJrIGhhcyBhIHByb3RvY29sIGRlY29kZSBjb25m aWd1cmVkIGZvciBwYWRkaW5nIGluIElQIGZyYW1lcy4pDQpGb3Igb3RoZXIgZXRoZXJ0eXBlcyB5 b3UnZCBuZWVkIHRvIGxvb2sgYXQgdGhlIHNwZWNpZmljIHByb3RvY29sIHNwZWNpZmljYXRpb24u DQoNCk5vdHdpdGhzdGFuZGluZyB0aGUgYWJvdmUsIGlmIHRoZSBoYXJkd2FyZSBpcyBjaGVja3N1 bW1pbmcgdGhlIGVudGlyZSBwYWNrZXQNCnRoZW4gdG8gdmFsaWRhdGUgdGhlIFVEUC9UQ1AgY2hl Y2tzdW0geW91IG5lZWQgdG8gcmVtb3ZlIHRoZSBjaGVja3N1bSBvZg0KYW55IGRpc2NhcmRlZCAn cGFkZGluZycgYnl0ZXMgYXMgd2VsbCB0aGF0IHRoYXQgb2YgdGhlIGhlYWRlci4NCg0KV2UgaGFk IGFuIGlzc3VlIHJlY2VudGx5IHdoZXJlIGEgVk0gY29uZmlndXJhdGlvbiAoSSBjb3VsZCBmaW5k IG91dCB3aGljaCkNCndhcyBwYWRkaW5nIGFsbCBldGhlcm5ldCBmcmFtZXMgdG8gYW4gZXZlbiBu dW1iZXIgb2YgYnl0ZXMuDQpUaGlzIGNhdXNlZCBncmllZiBmb3Igc29tZSBoYXJkd2FyZSB0aGF0 IChmb3IgYW4gdW5rbm93biByZWFzb24pIHdhcw0KYXNzdW1pbmcgdGhlIElQIGRhdGFncmFtIGxl bmd0aCBtYXRjaGVkIHRoZSBmcmFtZSBsZW5ndGguDQoNCglEYXZpZA0KDQotDQpSZWdpc3RlcmVk IEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQgRmFybSwgTWlsdG9uIEtleW5l cywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4NiAoV2FsZXMpDQo=