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=-9.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS 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 E1AD7C433DF for ; Mon, 24 Aug 2020 03:09:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C48652078A for ; Mon, 24 Aug 2020 03:09:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728063AbgHXDJT (ORCPT ); Sun, 23 Aug 2020 23:09:19 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:48868 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726635AbgHXDJS (ORCPT ); Sun, 23 Aug 2020 23:09:18 -0400 Received: from nkgeml707-chm.china.huawei.com (unknown [172.30.72.56]) by Forcepoint Email with ESMTP id 5DCEFC53D0322B880C67; Mon, 24 Aug 2020 11:09:16 +0800 (CST) Received: from nkgeml708-chm.china.huawei.com (10.98.57.160) by nkgeml707-chm.china.huawei.com (10.98.57.157) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1913.5; Mon, 24 Aug 2020 11:09:16 +0800 Received: from nkgeml708-chm.china.huawei.com ([10.98.57.160]) by nkgeml708-chm.china.huawei.com ([10.98.57.160]) with mapi id 15.01.1913.007; Mon, 24 Aug 2020 11:09:16 +0800 From: "Guodeqing (A)" To: David Ahern , "davem@davemloft.net" CC: "kuba@kernel.org" , "netdev@vger.kernel.org" Subject: =?utf-8?B?562U5aSNOiBbUEFUQ0hdIGlwdjQ6IGZpeCB0aGUgcHJvYmxlbSBvZiBwaW5n?= =?utf-8?Q?_failure_in_some_cases?= Thread-Topic: [PATCH] ipv4: fix the problem of ping failure in some cases Thread-Index: AQHWeFkty0AVBoLa8Um0ZFXgwnnYe6lGBUyAgAAB5QCAAI+5gA== Date: Mon, 24 Aug 2020 03:09:15 +0000 Message-ID: <5d678cbd20fd4f8fbd2ac75e62aab458@huawei.com> References: <1598082397-115790-1-git-send-email-geffrey.guo@huawei.com> <0b7e931b-f159-4f53-1b9b-5bf84a072712@gmail.com> <63e26f77-ccf0-4c07-8eaf-e571dcf2204f@gmail.com> In-Reply-To: <63e26f77-ccf0-4c07-8eaf-e571dcf2204f@gmail.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.136.112.227] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org DQoNCj4gLS0tLS3pgq7ku7bljp/ku7YtLS0tLQ0KPiDlj5Hku7bkuro6IERhdmlkIEFoZXJuIFtt YWlsdG86ZHNhaGVybkBnbWFpbC5jb21dDQo+IOWPkemAgeaXtumXtDogTW9uZGF5LCBBdWd1c3Qg MjQsIDIwMjAgMTA6MzQNCj4g5pS25Lu25Lq6OiBHdW9kZXFpbmcgKEEpIDxnZWZmcmV5Lmd1b0Bo dWF3ZWkuY29tPjsgZGF2ZW1AZGF2ZW1sb2Z0Lm5ldA0KPiDmioTpgIE6IGt1YmFAa2VybmVsLm9y ZzsgbmV0ZGV2QHZnZXIua2VybmVsLm9yZw0KPiDkuLvpopg6IFJlOiBbUEFUQ0hdIGlwdjQ6IGZp eCB0aGUgcHJvYmxlbSBvZiBwaW5nIGZhaWx1cmUgaW4gc29tZSBjYXNlcw0KPiANCj4gT24gOC8y My8yMCA4OjI3IFBNLCBEYXZpZCBBaGVybiB3cm90ZToNCj4gPiBPbiA4LzIyLzIwIDE6NDYgQU0s IGd1b2RlcWluZyB3cm90ZToNCj4gPj4gaWUuLA0KPiA+PiAkIGlmY29uZmlnIGV0aDAgOS45Ljku OSBuZXRtYXNrIDI1NS4yNTUuMjU1LjANCj4gPj4NCj4gPj4gJCBwaW5nIC1JIGxvIDkuOS45LjkN Cj4gDQo+IElmIHRoYXQgZXZlciB3b3JrZWQgaXQgd2FzIHdyb25nOyB0aGUgYWRkcmVzcyBpcyBz Y29wZWQgdG8gZXRoMCwgbm90IGxvLg0KPiANCj4gPj4gcGluZzogV2FybmluZzogc291cmNlIGFk ZHJlc3MgbWlnaHQgYmUgc2VsZWN0ZWQgb24gZGV2aWNlIG90aGVyIHRoYW4gbG8uDQo+ID4+IFBJ TkcgOS45LjkuOSAoOS45LjkuOSkgZnJvbSA5LjkuOS45IGxvOiA1Nig4NCkgYnl0ZXMgb2YgZGF0 YS4NCj4gPj4NCj4gPj4gNCBwYWNrZXRzIHRyYW5zbWl0dGVkLCAwIHJlY2VpdmVkLCAxMDAlIHBh Y2tldCBsb3NzLCB0aW1lIDMwNjhtcw0KPiA+Pg0KPiA+PiBUaGlzIGlzIGJlY2F1c2UgdGhlIHJl dHVybiB2YWx1ZSBvZiBfX3Jhd192NF9sb29rdXAgaW4gcmF3X3Y0X2lucHV0DQo+ID4+IGlzIG51 bGwsIHRoZSBwYWNrZXRzIGNhbm5vdCBiZSBzZW50IHRvIHRoZSBwaW5nIGFwcGxpY2F0aW9uLg0K PiA+PiBUaGUgcmVhc29uIG9mIHRoZSBfX3Jhd192NF9sb29rdXAgZmFpbHVyZSBpcyB0aGF0IHNr X2JvdW5kX2Rldl9pZiBhbmQNCj4gPj4gZGlmL3NkaWYgYXJlIG5vdCBlcXVhbCBpbiByYXdfc2tf Ym91bmRfZGV2X2VxLg0KPiA+Pg0KPiA+PiBIZXJlIEkgYWRkIGEgY2hlY2sgb2Ygd2hldGhlciB0 aGUgc2tfYm91bmRfZGV2X2lmIGlzIExPT1BCQUNLX0lGSU5ERVgNCj4gPj4gdG8gc29sdmUgdGhp cyBwcm9ibGVtLg0KPiA+Pg0KPiA+PiBGaXhlczogMTllNGU3NjgwNjRhOCAoImlwdjQ6IEZpeCBy YXcgc29ja2V0IGxvb2t1cCBmb3IgbG9jYWwNCj4gPj4gdHJhZmZpYyIpDQo+ID4+IFNpZ25lZC1v ZmYtYnk6IGd1b2RlcWluZyA8Z2VmZnJleS5ndW9AaHVhd2VpLmNvbT4NCj4gPj4gLS0tDQo+ID4+ ICBpbmNsdWRlL25ldC9pbmV0X3NvY2suaCB8IDIgKy0NCj4gPj4gIDEgZmlsZSBjaGFuZ2VkLCAx IGluc2VydGlvbigrKSwgMSBkZWxldGlvbigtKQ0KPiA+Pg0KPiA+PiBkaWZmIC0tZ2l0IGEvaW5j bHVkZS9uZXQvaW5ldF9zb2NrLmggYi9pbmNsdWRlL25ldC9pbmV0X3NvY2suaCBpbmRleA0KPiA+ PiBhMzcwMmQxLi43NzA3YjFkIDEwMDY0NA0KPiA+PiAtLS0gYS9pbmNsdWRlL25ldC9pbmV0X3Nv Y2suaA0KPiA+PiArKysgYi9pbmNsdWRlL25ldC9pbmV0X3NvY2suaA0KPiA+PiBAQCAtMTQ0LDcg KzE0NCw3IEBAIHN0YXRpYyBpbmxpbmUgYm9vbCBpbmV0X2JvdW5kX2Rldl9lcShib29sDQo+ID4+ IGwzbWRldl9hY2NlcHQsIGludCBib3VuZF9kZXZfaWYsICB7DQo+ID4+ICAJaWYgKCFib3VuZF9k ZXZfaWYpDQo+ID4+ICAJCXJldHVybiAhc2RpZiB8fCBsM21kZXZfYWNjZXB0Ow0KPiA+PiAtCXJl dHVybiBib3VuZF9kZXZfaWYgPT0gZGlmIHx8IGJvdW5kX2Rldl9pZiA9PSBzZGlmOw0KPiA+PiAr CXJldHVybiBib3VuZF9kZXZfaWYgPT0gZGlmIHx8IGJvdW5kX2Rldl9pZiA9PSBzZGlmIHx8IGJv dW5kX2Rldl9pZg0KPiA+PiArPT0gTE9PUEJBQ0tfSUZJTkRFWDsNCj4gPj4gIH0NCj4gPj4NCj4g Pj4gIHN0cnVjdCBpbmV0X2Nvcmsgew0KPiA+Pg0KPiA+DQo+ID4gdGhpcyBpcyB1c2VkIGJ5IG1v cmUgdGhhbiBqdXN0IHJhdyBzb2NrZXQgbG9va3Vwcy4NCj4gPg0KPiANCj4gQW5kIGFzc3VtaW5n IGl0IHNob3VsZCB3b3JrLCB0aGlzIGlzIGRlZmluaXRlbHkgdGhlIHdyb25nIGZpeC4NCg0Kb2ss IEkgc2VlIG5vdy4gSSBtaXN1bmRlcnN0b29kIHRoZSBmdW5jdGlvbiBvZiB0aGUgbG9vcGJhY2sg aW50ZXJmYWNlLCB0aGFua3MuDQo=