From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from jaguar.aricent.com (jaguar.aricent.com [121.241.96.11]) by dpdk.org (Postfix) with ESMTP id C539C688E for ; Tue, 5 Nov 2013 15:40:09 +0100 (CET) Received: from jaguar.aricent.com (localhost [127.0.0.1]) by postfix.imss71 (Postfix) with ESMTP id AEEED36B81; Tue, 5 Nov 2013 20:10:44 +0530 (IST) Received: from GUREXHT01.ASIAN.AD.ARICENT.COM (gurexht01.asian.ad.aricent.com [10.203.171.136]) by jaguar.aricent.com (Postfix) with ESMTP id A0AB436B63; Tue, 5 Nov 2013 20:10:42 +0530 (IST) Received: from GUREXMB01.asian.ad.aricent.com ([10.203.171.134]) by GUREXHT01.ASIAN.AD.ARICENT.COM ([10.203.171.136]) with mapi; Tue, 5 Nov 2013 20:10:42 +0530 From: Prashant Upadhyaya To: Alexander Belyakov , Olivier MATZ Date: Tue, 5 Nov 2013 20:10:41 +0530 Thread-Topic: [dpdk-dev] Surprisingly high TCP ACK packets drop counter Thread-Index: Ac7aHmmxwphB9CFTQfS1wjwRR4IcMgAFameA Message-ID: References: <5278C412.4000204@6wind.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US MIME-Version: 1.0 X-TM-AS-MML: No Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] Surprisingly high TCP ACK packets drop counter X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Nov 2013 14:40:10 -0000 SGkgQWxleGFuZGVyLA0KDQpJIGFtIGFsc28gd29uZGVyaW5nIGxpa2UgT2xpdmllciDigJMgeW91 cnMgaXMgYSBuaWNlIHRlc3RjYXNlIGFuZCBzZXR1cCwgaGVuY2UgcmVxdWVzdGluZyB0aGUgaW5m b3JtYXRpb24gYmVsb3cgaW5zdGVhZCBvZiBzcGVuZGluZyBhIGxvdCBvZiB0aW1lIHJlaW52ZW50 aW5nIHRoZSB0ZXN0IGNhc2UgYXQgbXkgZW5kLg0KSWYgeW91IGhhdmUgdGhlIHRpbWUgb24geW91 ciBzaWRlLCBpdCB3b3VsZCBiZSBpbnRlcmVzdGluZyB0byBrbm93IHdoYXQgaXMgdGhlIG51bWJl ciBvZiBwYWNrZXRzIHBlciBzZWNvbmQgcmVjZWl2ZWQgaW5zaWRlIHlvdXIgYXBwbGljYXRpb24g b24gZWFjaCBvZiB5b3VyIDQgcXVldWVzIGluZGl2aWR1YWxseSBpbiBib3RoIHRoZSB1c2VjYXNl cyDigJMgd2l0aCBhbmQgd2l0aG91dCBSU0MuDQoNCkkgYW0ganVzdCB3b25kZXJpbmcgKHNpbmNl IHlvdXIgdGhyb3VnaHB1dCBhbG1vc3QgZXhhY3RseSBnb2VzIGRvd24gNTAgJSksIHRoYXQgeW91 ciBhcHBhcmVudCByYW5kb21pemF0aW9uIG9mIHBhY2tldHMgbWF5IG5vdCByZWFsbHkgYmUgcmFu ZG9tIGVub3VnaCBhbmQgd2l0aCBSU0MgZW5hYmxlZCB0aGUgcGFja2V0cyBhcmUgY29taW5nIG9u IHR3byBxdWV1ZXMgb25seSBvciB0aGVyZSBtaWdodCBiZSBhbiB1bmV2ZW4gZGlzdHJpYnV0aW9u Lg0KT3IgaXQgbWF5IHdlbGwgYmUgdGhhdCBOSUMgZ2V0cyBvdmVyd2hlbG1lZCB3aXRoIFJTQyBw cm9jZXNzaW5nIGFuZCB0aGF0IGJyaW5ncyBkb3duIHRoZSB0aHJvdWdocHV0Lg0KDQpFaXRoZXIg d2F5LCBpdCB3b3VsZCBiZSB2ZXJ5IGludGVyZXN0aW5nIHRvIGdldCBzdGF0cyBmb3IgcGFja2V0 cyBwZXIgc2Vjb25kIG9uIGVhY2ggcXVldWUgaW4gYm90aCB0aGUgdXNlY2FzZXMuDQoNClJlZ2Fy ZHMNCi1QcmFzaGFudA0KDQoNCkZyb206IEFsZXhhbmRlciBCZWx5YWtvdiBbbWFpbHRvOmFiZWx5 YWtvQGdtYWlsLmNvbV0NClNlbnQ6IFR1ZXNkYXksIE5vdmVtYmVyIDA1LCAyMDEzIDU6MjkgUE0N ClRvOiBPbGl2aWVyIE1BVFoNCkNjOiBQcmFzaGFudCBVcGFkaHlheWE7IGRldkBkcGRrLm9yZw0K U3ViamVjdDogUmU6IFtkcGRrLWRldl0gU3VycHJpc2luZ2x5IGhpZ2ggVENQIEFDSyBwYWNrZXRz IGRyb3AgY291bnRlcg0KDQpIZWxsbywNCg0KVGhlIHJvbGUgb2YgUlNDIGlzIHRvIHJlYXNzZW1i bGUgaW5wdXQgVENQIHNlZ21lbnRzLCBzbyBpdCBpcyBwb3NzaWJsZQ0KdGhhdCB0aGUgbnVtYmVy IG9mIFRDUCBwYWNrZXRzIHNlbnQgdG8gdGhlIERQREsgaXMgbG93ZXIgYnV0IHNvbWUNCnBhY2tl dHMgbWF5IGNvbnRhaW4gbW9yZSBkYXRhLiBDYW4geW91IGNvbmZpcm0gdGhhdD8NCg0KSSBkb24n dCB0aGluayBvdXQgdGVzdCBjYXNlIGNhbiBhbnN3ZXIgeW91ciBxdWVzdGlvbiwgYmVjYXVzZSBh bGwgZ2VuZXJhdGVkIFRDUCBBQ0sgcGFja2V0cyB3ZXJlIGFzIHNtYWxsIGFzIHBvc3NpYmxlIChu byB0Y3AgcGF5bG9hZCBhdCBhbGwpLiBTb3VyY2UgSVBzIGFuZCBwb3J0cyB3ZXJlIHBpY2tlZCBh dCByYW5kb20gZm9yIGVhY2ggcGFja2V0LCBzbyBtb3N0IG9mIChhZGphY2VudCkgcGFja2V0cyBi ZWxvbmcgdG8gZGlmZmVyZW50IFRDUCBzZXNzaW9ucy4NCg0KSW4gbXkgb3BpbmlvbiwgdGhpcyBt ZWNoYW5pc20gc2hvdWxkIGJlIGRpc2FibGVkIGJ5IGRlZmF1bHQgYmVjYXVzZSBpdA0KY291bGQg YnJlYWsgUE1UVSBkaXNjb3Zlcnkgb24gYSByb3V0ZXIuIEhvd2V2ZXIgaXQgY291bGQgYmUgdXNl ZnVsIGZvcg0Kc29tZWJvZHkgZG9pbmcgVENQIHRlcm1pbmF0aW9uIG9ubHkuDQoNCkkgd2FzIHRo aW5raW5nIGFib3V0IG5ldyBydGVfZXRoX3J4bW9kZSBzdHJ1Y3R1cmUgb3B0aW9uOg0KDQpAQCAt MjgwLDYgKzI4MCw3IEBAIHN0cnVjdCBydGVfZXRoX3J4bW9kZSB7DQogICAgICAgICAgICAgICAg aHdfdmxhbl9zdHJpcCAgICA6IDEsIC8qKjwgVkxBTiBzdHJpcCBlbmFibGUuICovDQogICAgICAg ICAgICAgICAgaHdfdmxhbl9leHRlbmQgICA6IDEsIC8qKjwgRXh0ZW5kZWQgVkxBTiBlbmFibGUu ICovDQogICAgICAgICAgICAgICAganVtYm9fZnJhbWUgICAgICA6IDEsIC8qKjwgSnVtYm8gRnJh bWUgUmVjZWlwdCBlbmFibGUuICovDQorICAgICAgICAgICAgICAgZGlzYWJsZV9yc2MgICAgICA6 IDEsIC8qKjwgRGlzYWJsZSBSU0MgKHJlY2VpdmUgc2lkZSBjb252YWxlc2NpbmcpLiAqLw0KICAg ICAgICAgICAgICAgIGh3X3N0cmlwX2NyYyAgICAgOiAxOyAvKio8IEVuYWJsZSBDUkMgc3RyaXBw aW5nIGJ5IGhhcmR3YXJlLiAqLw0KIH07DQoNClJlZ2FyZHMsDQpBbGV4YW5kZXINCg0KDQoNCg0K PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PQ0KUGxlYXNlIHJlZmVyIHRvIGh0dHA6Ly93d3cuYXJpY2Vu dC5jb20vbGVnYWwvZW1haWxfZGlzY2xhaW1lci5odG1sDQpmb3IgaW1wb3J0YW50IGRpc2Nsb3N1 cmVzIHJlZ2FyZGluZyB0aGlzIGVsZWN0cm9uaWMgY29tbXVuaWNhdGlvbi4NCj09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT0NCg==