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Thu, 19 May 2022 15:11:13 +0100 X-MC-Unique: 9ujxR9WzPHi5JTxbVikL3w-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; Thu, 19 May 2022 15:11:12 +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; Thu, 19 May 2022 15:11:12 +0100 From: David Laight To: 'Paolo Abeni' , 'Pavan Chebbi' CC: Michael Chan , "netdev@vger.kernel.org" , "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: AdhqyKyabzDEQq15SKKGm31SHwTbKwAC24IAAAoYsMAABXOQgAASBiKAAAHW4wAABHST0AACH9sAAAKZZrA= Date: Thu, 19 May 2022 14:11:12 +0000 Message-ID: References: <70a20d8f91664412ae91e401391e17cb@AcuMS.aculab.com> <6576c307ed554adb443e62a60f099266c95b55a7.camel@redhat.com> <153739175cf241a5895e6a5685a89598@AcuMS.aculab.com> <13d6579e9bc44dc2bfb73de8d9715b10@AcuMS.aculab.com> <5cc5353c518e27de69fc0d832294634c83f431e5.camel@redhat.com> In-Reply-To: <5cc5353c518e27de69fc0d832294634c83f431e5.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 RnJvbTogUGFvbG8gQWJlbmkNCj4gU2VudDogMTkgTWF5IDIwMjIgMTQ6MjkNCi4uLi4NCj4gSWYg dGhlIHBhY2tldCBwcm9jZXNzaW5nIGlzICdidXJzdHknLCB5b3UgY2FuIGhhdmUgaWRsZSB0aW1l IGFuZCBzdGlsbA0KPiBoaXQgbm93IGFuZCB0aGUgJ3J4IHJpbmcgaXMgW2FsbW9zdF0gZnVsbCcg Y29uZGl0aW9uLiBJZiBwYXVzZSBmcmFtZXMNCj4gYXJlIGVuYWJsZWQsIHRoYXQgd2lsbCBjYXVz ZSB0aGUgcGVlciB0byBzdG9wIHNlbmRpbmcgZnJhbWVzOiBkcm9wIGNhbg0KPiBoYXBwZW4gaW4g dGhlIHN3aXRjaCwgYW5kIHRoZSBsb2NhbCBOSUMgd2lsbCBub3Qgbm90aWNlICh1bmxlc3MgdGhl cmUNCj4gYXJlIGNvdW50ZXJzIGF2YWlhbGJsZSBmb3IgcGF1c2UgZnJhbWVzIHNlbnQpLg0KDQpU aGUgdGVzdCBwcm9ncmFtIHNlbmRpbmcgdGhlIGRhdGEgZG9lcyBzcHJlYWQgaXQgb3V0Lg0KU28g aXQgaXNuJ3Qgc2VuZGluZyAyMDAwIHBhY2tldHMgd2l0aCBtaW5pbWFsIElQRyBldmVyeSAxMG1z Lg0KKEknbSBzZW5kaW5nIGZyb20gMiBzeXN0ZW1zLikNCg0KSSBkb24ndCBrbm93IGlmIHBhdXNl IGZyYW1lcyBhcmUgZW5hYmxlZCAoZXRodG9vbCBtaWdodCBzdWdnZXN0IHRoZXkgYXJlKS4NCkJ1 dCBkZXRlY3Rpbmcgd2hldGhlciB0aGV5IGFyZSBzZW50IGlzIGFub3RoZXIgbWF0dGVyLg0KDQpJ biBhbnkgY2FzZSBzZW5kaW5nIHBhdXNlIGZyYW1lcyBkb2Vzbid0IGZpeCBhbnl0aGluZy4NClRo ZXkgYXJlIGxhcmdlbHkgZW50aXJlbHkgdXNlbGVzcyB1bmxlc3MgeW91IGhhdmUgYSBjYWJsZQ0K dGhhdCBkaXJlY3RseSBjb25uZWN0cyB0d28gY29tcHV0ZXJzLg0KDQo+IEFGQUlDUyB0aGUgcGFj a2V0IHByb2Nlc3NpbmcgaXMgYnVyc3R5LCBiZWNhdXNlIGVucXVldWluZyBwYWNrZXRzIHRvIGEN Cj4gcmVtb3RlIENQVSBpbiBjb25zaWRlcmFibHkgZmFzdGVyIHRoZW4gZnVsbCBuZXR3b3JrIHN0 YWNrIHByb2Nlc3NpbmcuDQoNCkkgaGF2ZSB0YWtlbiByZXN0cmljdGVkIGZ0cmFjZSB0cmFjZXMg b2YgdGhlIHJlY2VpdmluZyBzeXN0ZW0uDQpOb3Qgb2Z0ZW4gc2VlbiBtb3JlIHRoYW4gNCBmcmFt ZXMgcHJvY2Vzc2VkIGluIG9uZSBuYXBpIGNhbGxiYWNrDQpDZXJ0YWlubHkgZGlkbid0IHNwb3Qg YmxvY2tzIG9mIDEwMCsgdGhhdCB5b3UgbWlnaHQgZXhwZWN0DQp0byBzZWUgaWYgdGhlIGRyaXZl ciBjb2RlIHdhcyB0aGUgYm90dGxlbmVjay4NCg0KPiBTaWRlIG5vdGU6IG9uIGEgbm90LXRvLW9i c29sZXRlIEgvVyB0aGUga2VybmVsIHNob3VsZCBiZSBhYmxlIHRvDQo+IHByb2Nlc3MgPjFtcHBz IHBlciBjcHUuDQoNClllcywgYW5kLCBJSVJDLCBhIDMzTWh6IDQ4NiBjYW4gc2F0dXJhdGUgMTBN SHogZXRoZXJuZXQgd2l0aA0Kc21hbGwgcGFja2V0cy4NCg0KSW4gdGhpcyBjYXNlIHRoZSBjcHUg YXJlIGFsbW9zdCB0d2lkZGxpbmcgdGhlaXIgdGh1bWJzLg0KICBtb2RlbCBuYW1lICAgICAgOiBJ bnRlbChSKSBYZW9uKFIpIENQVSBFNS0yNjUwIHYzIEAgMi4zMEdIeg0KICBzdGVwcGluZyAgICAg ICAgOiAyDQogIG1pY3JvY29kZSAgICAgICA6IDB4NDMNCiAgY3B1IE1IeiAgICAgICAgIDogMTMw MC4wMDANCmNwdSAxNCAodGhlIG9uZSB0YWtpbmcgdGhlIGludGVycnVwdHMpIGlzIHJ1bm5pbmcg YXQgZnVsbCBzcGVlZC4NCg0KY3B1IGRvZXNuJ3Qgc2VlbSB0byBiZSB0aGUgYm90dGxlbmVjay4N ClRoZSBwcm9ibGVtIHNlZW1zIHRvIGJlIHRoZSBoYXJkd2FyZSBub3QgdXNpbmcgYWxsIHRoZSBi dWZmZXJzDQppdCBoYXMgYmVlbiBnaXZlbi4NCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRk cmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBN SzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==