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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EDE03C433EF for ; Wed, 18 May 2022 21:31:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243177AbiERVbR (ORCPT ); Wed, 18 May 2022 17:31:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243175AbiERVbP (ORCPT ); Wed, 18 May 2022 17:31:15 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.85.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 67BC767D19 for ; Wed, 18 May 2022 14:31:12 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-68-0CePKdYbPxG8ovDFIacySQ-1; Wed, 18 May 2022 22:31:09 +0100 X-MC-Unique: 0CePKdYbPxG8ovDFIacySQ-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.36; Wed, 18 May 2022 22:31:08 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.036; Wed, 18 May 2022 22:31:08 +0100 From: David Laight To: 'Paolo Abeni' , "netdev@vger.kernel.org" CC: "'mchan@broadcom.com'" , David Miller Subject: RE: tg3 dropping packets at high packet rates Thread-Topic: tg3 dropping packets at high packet rates Thread-Index: AdhqyKyabzDEQq15SKKGm31SHwTbKwAC24IAAAoYsMA= Date: Wed, 18 May 2022 21:31:08 +0000 Message-ID: <153739175cf241a5895e6a5685a89598@AcuMS.aculab.com> References: <70a20d8f91664412ae91e401391e17cb@AcuMS.aculab.com> <6576c307ed554adb443e62a60f099266c95b55a7.camel@redhat.com> In-Reply-To: <6576c307ed554adb443e62a60f099266c95b55a7.camel@redhat.com> Accept-Language: en-GB, 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 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org RnJvbTogUGFvbG8gQWJlbmkNCj4gU2VudDogMTggTWF5IDIwMjIgMTg6MjcNCi4uLi4NCj4gPiBJ ZiBJIHJlYWQgL3N5cy9jbGFzcy9uZXQvZW0yL3N0YXRpc3RpY3MvcnhfcGFja2V0cyBldmVyeSBz ZWNvbmQNCj4gPiBkZWxheWluZyB3aXRoOg0KPiA+ICAgc3lzY2FsbChTWVNfY2xvY2tfbmFub3Ns ZWVwLCBDTE9DS19NT05PVE9OSUMsIFRJTUVSX0FCU1RJTUUsICZ0cywgTlVMTCk7DQo+ID4gYWJv dXQgZXZlcnkgNDMgc2Vjb25kcyBJIGdldCBhIHplcm8gaW5jcmVtZW50Lg0KPiA+IFRoaXMgcmVh bGx5IGRvZXNuJ3QgaGVscCENCj4gDQo+IEl0IGxvb2tzIGxpa2UgdGhlIHRnMyBkcml2ZXIgZmV0 Y2hlcyB0aGUgSC9XIHN0YXRzIG9uY2UgcGVyIHNlY29uZC4gSQ0KPiBndWVzcyB0aGF0IGlmIHlv dSBmZXRjaCB0aGVtIHdpdGggdGhlIHNhbWUgcGVyaW9kIGFuZCB5b3UgYXJlIHVubHVja3kNCj4g eW91IGNhbiByZWFkIHRoZSBzYW1lIHNhbXBsZSAyIGNvbnNlY3V0aXZlIHRpbWUuDQoNCkFjdHVh bGx5IEkgdGhpbmsgdGhlIGhhcmR3YXJlIGlzIHdyaXRpbmcgdGhlbSB0byBrZXJuZWwgbWVtb3J5 DQpldmVyeSBzZWNvbmQuDQpUaGlzIHJlYWxseSBpc24ndCBpZGVhbCBmb3IgcGFja2V0IGNvdW50 cy4NCg0KLi4uDQo+IFdpdGggUlBTIGVuYWJsZWQgcGFja2V0IHByb2Nlc3NpbmcgZm9yIG1vc3Qg cGFja2V0cyAodGhlIG9uZXMgc3RpcnJlZA0KPiB0byByZW1vdGUgQ1BVcykgaXMgdmVyeSBjaGVh cCwgYXMgdGhlIHNrYiBhcmUgbW92ZWQgb3V0IG9mIHRoZSBOSUMgdG8gYQ0KPiBwZXIgQ1BVIHF1 ZXVlIGFuZCB0aGF0J3MgaXQuDQoNCkl0IG1heSBiZSAnY2hlYXAnLCBidXQgYXQgNDAwMDAwIGZy YW1lcy9zZWMgaXQgYWRkcyB1cC4NClRoZSBwcm9jZXNzaW5nIGluIHRnMyBpcyByZWxhdGl2ZWx5 IGxpZ2h0IC0gZGVwZW5kaW5nIG9uDQp0aGUgYWN0dWFsIGhhcmR3YXJlLg0KRnJvbSB3aGF0IEkg cmVtZW1iZXIgb2YgdGhlIGUxMDAwIGRyaXZlciB0aGF0IGlzIHdvcnNlLg0KDQo+IEluIHRoZW9y eSBwYWNrZXRzIGNvdWxkIGJlIGRyZXBwZWQgYmVmb3JlIGluc2VydGluZyB0aGVtIGludG8gdGhl IFJQUw0KPiBxdWV1ZSwgaWYgdGhlIGxhdHRlciBncm93IHRvIGJpZywgYnV0IHRoYXQgbG9va3Mg dW5saWtlbHkuIFlvdSBjYW4gdHJ5DQo+IHJhaXNpbmcgbmV0ZGV2X21heF9iYWNrbG9nLCBqdXN0 IGluIGNhc2UuDQoNCkknbSBwcmV0dHkgc3VyZSBub3RoaW5nIGlzIGJlaW5nIGRyb3BwZWQgdGhh dCBsYXRlIG9uLg0KVGhlIGNwdSBwcm9jZXNzaW5nIHRoZSBSUFMgZGF0YSBhcmUgbWF4aW5nIGF0 IGFyb3VuZCAxMyUgJ3NvZnRpbnQnDQppcyA1LjE4IC0gcXVpdGUgYSBsb3QgbW9yZSB0aGFuIHRo ZSAxMCUgd2l0aCAzLjEwLg0KDQo+IGRyb3B3YXRjaCAob3IgcGVyZiByZWNvcmQgLWdhIC1lIHNr YjprZnJlZV9za2IpIHNob3VsZCBwb2ludCB5b3Ugd2hlcmUNCj4gZXhhY3RseSB0aGUgcGFja2V0 cyBhcmUgZHJvcHBlZC4NCg0KSSdtIDk5LjklIHN1cmUgdGhlIHBhY2tldHMgYXJlbid0IGdldHRp bmcgaW50byBza2IuDQpJIGNhbiBqdXN0IGFib3V0IHJ1biB2ZXJ5IHNlbGVjdGl2ZSBmdHJhY2Ug dHJhY2VzLg0KVGhleSBkb24ndCBzZWVtIHRvIHNob3cgYW55dGhpbmcgYmVpbmcgZHJvcHBlZC4N CkJ5IGl0IGlzIHZlcnkgZGlmZmljdWx0IHRvIHNlZSBhbnl0aGluZyBhdCB0aGVzZQ0KcGFja2V0 IHJhdGVzLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBCcmFt bGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdpc3Ry YXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K