From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtpproxy19.qq.com (smtpproxy19.qq.com [184.105.206.84]) by dpdk.org (Postfix) with ESMTP id F19CF29CD for ; Mon, 24 Oct 2016 12:38:36 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1477305514; bh=IgfKklnfER/PoXjQV00IrL4sGtvZca75wRRTNb0AuZs=; h=In-Reply-To:References:From:To:Cc:Subject:Mime-Version:Content-Type:Content-Transfer-Encoding:Date:Message-ID; b=ZaPchX1WgjvW7djM/hzes5QvYT9cKMKitezyAG6ySnSTJFOBgjw/tEZQZqEDM+C1z b25i915krXwui3ZDqLiQqAaznX+J2kbHmbU7JpPtQ/lLKRg+KcuP1tub6Yq549NuxH nrgXwbleNsS2fLkJaBovkAomxo7hJAsjCbxZBUbw= X-QQ-FEAT: +stYK6GmOAVurQVm2c0SE9dTw36Rh6lVgQh/N3kGcW4J/6hMyZ0bk2gIBa+ZT 4C86kOg+n92ykIGKBU6sq5MLSkw5AJmezr12o83Rng6EY8vwUDMRVH+HFIBevPE0lT8DBq+ Fj0J3e+Z0aGb8YDUdCCxJ23MtjwSYCRVl6w6AkGoNhMnwNgybd7YrLxm1dt2fKe1OAw3Set nNgRHLB0UAOcNJzxyz+I/aesSeoYBGXSw+aZ5YA1vV/vzta9KEFEj1qDLG9o5JEiyA546GU n7sfUljsJp0HUP5Y1TokQcQ28= X-QQ-SSF: 000000000000000000000000000000Z X-HAS-ATTACH: no X-QQ-BUSINESS-ORIGIN: 2 X-Originating-IP: 180.168.106.215 In-Reply-To: References: X-QQ-STYLE: X-QQ-mid: webmail88t1477305513t839266 From: "=?ISO-8859-1?B?eWluZ3poaQ==?=" To: "=?ISO-8859-1?B?WmhhbmcsIEhlbGlu?=" Cc: "=?ISO-8859-1?B?ZGV2QGRwZGsub3Jn?=" Mime-Version: 1.0 Date: Mon, 24 Oct 2016 18:38:33 +0800 X-Priority: 3 Message-ID: X-QQ-MIME: TCMime 1.0 by Tencent X-Mailer: QQMail 2.x X-QQ-Mailer: QQMail 2.x X-QQ-ReplyHash: 184830317 X-QQ-SENDSIZE: 520 Feedback-ID: webmail:qq.com:bgforeign:bgforeign1 X-QQ-Bgrelay: 1 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: base64 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-dev] rte_kni_tx_burst() hangs because of no freedescriptors 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: Mon, 24 Oct 2016 10:38:38 -0000 SGkgSGVsaW4sDQoNCg0KVGhhbmtzIGZvciB5b3VyIHJlc3BvbnNlLCB0byBhbnN3ZXIgeW91 ciBxdWVzdGlvbnM6DQoxLiB3ZSBzZW5kIG9ubHkgb25lIHBhY2tldCBlYWNoIHRpbWUgY2Fs bGluZyBydGVfa25pX3R4X2J1cnN0KCksIHdoaWNoIG1lYW5zIHRoZSBsYXN0IGFyZ3VtZW50 IGlzIDEuDQoyLiBpdCByZXR1cm5zIDAgYmVjYXVzZSB0aGUgZnJlZSBtYnVmIGZ1bmN0aW9u IGluc2lkZSB0eF9idXJzdCB3aWxsIG5vdCBmcmVlIGFueSBtYnVmOg0KDQoNCglpZiAodHhx LT5uYl90eF9mcmVlIDwgdHhxLT50eF9mcmVlX3RocmVzaCkNCgkJaXhnYmVfdHhfZnJlZV9i dWZzKHR4cSk7DQoNCg0KDQphZnRlciB0aGlzIG9wZXJhdGlvbiwgdGhlIHR4cS0+bmJfdHhf ZnJlZSBpcyBub3QgaW5jcmVhc2VkIGFuZCBrZWVwcyB0byBiZSAiMCIgZXZlbnR1YWxseS4N Cg0KDQpJIGRpZCBzb21lIHRlc3RzIHRvZGF5LCBJIGNvbW1lbnRlZCBvdXQgdGhpcyBzZWN0 aW9uIG9mIGl4Z2JlX3J4dHhfdmVjX2NvbW1vbi5oIC0+IGl4Z2JlX3R4X2ZyZWVfYnVmcw0K DQoNCglzdGF0dXMgPSB0eHEtPnR4X3JpbmdbdHhxLT50eF9uZXh0X2RkXS53Yi5zdGF0dXM7 DQoJaWYgKCEoc3RhdHVzICYgSVhHQkVfQURWVFhEX1NUQVRfREQpKQ0KCQlyZXR1cm4gMDsN Cg0KDQoNCkFmdGVyIGlnbm9yaW5nIEREIGJpdCBjaGVjaywgb3VyIGFwcCBydW5zIGZvciBh Ym91dCA2IGhvdXJzIHdpdGhvdXQgaXNzdWUuIEkgc3VzcGVjdCB0aGVyZSBpcyBzb21ldGhp bmcgd3JvbmcgaW4gbXkgcHJvZ3JhbSBzZXQgdGhlIEREIGJpdCBzb21ld2hlcmUuIE9uZSBv ZiB0aGUgcG9zc2libGUgY2F1c2UgY3VycmVudGx5IEkgc3VzcGVjdCBpcyBhcyBmYXIgYXMg SSBrbm93LCBydGVfcGt0bWJ1Zl9mcmVlKG1idWYuYXJyYXlba10pIHdpbGwgZnJlZSB0aGUg bWJ1ZiBvZiB0aGUgcGFja2V0IGFuZCBhbnkgZnJhZ21lbnRlZCBwYWNrZXRzIGZvbGxvd2lu ZyBieSBpdC4gQnV0IGluIG91ciBhcHBsaWNhdGlvbiBzdWNoIGFzIGJlbG93IGNvZGUgc25p cHBldDoNCg0KDQogICAgICAgIGF1dG8gbmJfdHggPSBydGVfZXRoX3R4X2J1cnN0KHBvcnQs IHF1ZXVlLCBtYnVmLmFycmF5LCAodWludDE2X3QpIG5iX3J4KTsNCiAgICAgICAgaWYgKHVu bGlrZWx5KG5iX3R4IDwgbmJfcngpKSB7DQogICAgICAgICAgICBmb3IgKHVuc2lnbmVkIGsg PSBuYl90eDsgayA8IG5iX3J4OyBrKyspIHsNCiAgICAgICAgICAgICAgICBydGVfcGt0bWJ1 Zl9mcmVlKG1idWYuYXJyYXlba10pOw0KICAgICAgICAgICAgfQ0KICAgICAgICB9DQoNCg0K DQpJbiB0aGlzIGNhc2UgaWYgdGhlcmUgYXJlIGZyYWdtZW50ZWQgcGFja2V0cyBhbmQgZmFp bGVkIHRyYW5zbWlzc2lvbiwgbWF5IGNhdXNlIGEgbWJ1ZiBiZSBmcmVlZCBtdWx0aXBsZSB0 aW1lcy4NCg0KDQpBYm92ZSBpcyBqdXN0IG15IHN1c3BlY3QsIG5lZWQgdG8gZG8gc29tZSB0 ZXN0cyBsYXRlciB0b2RheSBvciB0b21vcnJvdy4NCg0KDQpUaGFua3MNCi0tLS0tLS0tLS0t LS0tLS0tLSBPcmlnaW5hbCAtLS0tLS0tLS0tLS0tLS0tLS0NCkZyb206ICAiWmhhbmcsIEhl bGluIjs8aGVsaW4uemhhbmdAaW50ZWwuY29tPjsNCkRhdGU6ICBNb24sIE9jdCAyNCwgMjAx NiAxMTozMyBBTQ0KVG86ICAieWluZ3poaSI8a2FpdG95QHFxLmNvbT47IA0KQ2M6ICAiZGV2 QGRwZGsub3JnIjxkZXZAZHBkay5vcmc+OyANClN1YmplY3Q6ICBSRTogW2RwZGstZGV2XSBy dGVfa25pX3R4X2J1cnN0KCkgaGFuZ3MgYmVjYXVzZSBvZiBubyBmcmVlZGVzY3JpcHRvcnMN Cg0KDQoNCkhpIFlpbmd6aGkNCg0KVGhhbmsgeW91IGZvciB0aGUgcmVwb3J0aW5nISBUaGUg ZGVzY3JpcHRpb24gaXMgbm90IHNvIGNsZWFyIGF0IGxlYXN0IGZvciBtZS4NClBsZWFzZSBo ZWxwIHRvIG5hcnJvd24gZG93biB0aGUgaXNzdWUgYnkgeW91c2VsZi4NCkhvdyBtYW55IHBh Y2tldHMgd291bGQgaXQgaGF2ZSBmb3IgY2FsbGluZyBUWCBmdW5jdGlvbj8NCldoeSBpdCB3 b3VsZCByZXR1cm4gMCBhZnRlciBjYWxsaW5nIFRYIGZ1bmN0aW9uPyBObyBtZW1vcnk/IE9y IHJldHVybiBmcm9tIGVsc2U/IEhhdmUgeW91IGZvdW5kIGFueXRoaW5nPw0KDQpSZWdhcmRz LA0KSGVsaW4NCg0KPiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBkZXYg W21haWx0bzpkZXYtYm91bmNlc0BkcGRrLm9yZ10gT24gQmVoYWxmIE9mIHlpbmd6aGkNCj4g U2VudDogU3VuZGF5LCBPY3RvYmVyIDIzLCAyMDE2IDk6MzAgUE0NCj4gVG86IHVzZXJzOyBk ZXZAZHBkay5vcmcNCj4gU3ViamVjdDogW2RwZGstZGV2XSBydGVfa25pX3R4X2J1cnN0KCkg aGFuZ3MgYmVjYXVzZSBvZiBubyBmcmVlIGRlc2NyaXB0b3JzDQo+IA0KPiAtDQo+IEhpIEV4 cGVydHMsDQo+IA0KPiBCYWNrZ3JvdW5kOg0KPiANCj4gV2UgYXJlIHVzaW5nIERQREsgdG8g ZGV2ZWxvcCBhIExvYWRCYWxhbmNlciBmb2xsb3dpbmcgYmVsb3cgbG9naWM6IFdoZW4NCj4g YSBuZXcgcGFja2V0IGlzIHJlY2VpdmVkOg0KPiAgMS4gaWYgdGhlIGRzdF9hZGRyIGlzIG1h bmFnZW1lbnQgSVAsIGZvcndhcmQgdG8gS05JLiAyLiBpZiB0aGUgZHN0X2FkZHIgaXMgaW4N Cj4gVklQIGxpc3QsIHNlbGVjdCBiYWNrZW5kIGFuZCBmb3J3YXJkKG1vZGlmeSBkc3QgbWFj IGFkZHJlc3MpLiAzLiBvdGhlcndpc2UNCj4gZHJvcCB0aGUgcGFja2V0Lg0KPiANCj4gQXQg dGhpcyBzdGFnZSwgd2UgdXNlIG9uZSBzaW5nbGUgdGhyZWFkIGZvciBLTkkgZm9yd2FyZGlu ZyBhbmQgYW5vdGhlciBmb3INCj4gVklQIGZvcndhcmRpbmcoZm9yd2FyZCB0byBldGgpLg0K PiANCj4gRFBESyB2ZXJzaW9uOiAxNi4wNw0KPiAgTklDOiA4MjU5OUVTIDEwLUdpZ2FiaXQg U0ZJL1NGUCsgTmV0d29yayBDb25uZWN0aW9uDQo+ICBMaW51eDogMTQuMDQuMS1VYnVudHUg eDY0DQo+IA0KPiBQcm9tYmxlbSBkZXNjcmlwdGlvbjoNCj4gDQo+IFRoZSBwcm9ncmFtIHJ1 bnMgY29ycmVjdGx5IGZvciBzb21ldGltZShhcm91bmQgMiBob3VycyBmb3IgNDAwTWIgdHJh ZmZpYykuDQo+IEJ1dCBpdCBpdCB3aWxsIGhhbmcuIFdoZW4gcHJvYmxlbSBoYXBwZW5zLCBy dGVfZXRoX3R4X2J1cnN0KCkgd2lsbCBub3QgYWJsZSB0bw0KPiBzZW5kIG91dCBhbnkgcGFj a2V0cyhhbHdheXMgcmV0dXJucyAwKS4gV2UgdHJhY2tlZCBpbnRvIHRoYXQgZnVuY3Rpb24g YW5kDQo+IG5vdGljZWQgaXQgaXMgYWN0dWFsbHkgY2FsbGluZyBpeGdiZSBkcml2ZXIncyBp eGdiZV94bWl0X3BrdHNfdmVjKCkgZnVuY3Rpb24gaW4NCj4gb3VyIGVudmlyb25tZW50LCBi ZWNhdXNlIHdlIHVzZSBkZWZhdWx0IHR4IHF1ZXVlIGNvbmZpZ3VyYXRpb24sIGFmdGVyDQo+ IHByaW50aW5nIHNvbWUgaW5mbywgd2UgZm91bmQgaWYgdGhlIGZyZWUgZnVuY3Rpb24gd29y a3MgZmluZToNCj4gIHR4X3JzX3RocmVzaDogMzIsIHR4X2ZyZWVfdGhyZXNoOiAzMiwgbmJf dHhfZnJlZTogMzENCj4gDQo+IGl0IHdpbGwgdHJpZ2dlciBmcmVlIGFuZCBtYWtlIDMyIG1v cmUgZnJlZSBkZXNjcmlwdG9yczoNCj4gIHR4X3JzX3RocmVzaDogMzIsIHR4X2ZyZWVfdGhy ZXNoOiAzMiwgbmJfdHhfZnJlZTogNjINCj4gDQo+IGJ1dCB3aGVuIHNvbWV0aGluZyBnb2lu ZyB3cm9uZywgaXQgd2lsbCBubyBsb25nZXIgZnJlZSBhbnl0aGluZzoNCj4gIHR4X3JzX3Ro cmVzaDogMzIsIHR4X2ZyZWVfdGhyZXNoOiAzMiwgbmJfdHhfZnJlZTogMCB0eF9yc190aHJl c2g6IDMyLA0KPiB0eF9mcmVlX3RocmVzaDogMzIsIG5iX3R4X2ZyZWU6IDANCj4gDQo+IEl0 IG1heSByZWxhdGVkIHdpdGggdGhlIEREIGZsYWcgb2YgdGhlIGRlc2NyaXB0b3IgYnV0IHdl IGFyZSBub3QgcXVpdGUgc3VyZS4NCj4gDQo+IE91ciBwcm9ncmFtIGxvZ2ljOg0KPiANCj4g Y3JlYXRlIHR3byBtYnVmIHBvb2xzIG9uIHNvY2tldCAwLCBvbmUgZm9yIHJ4X3F1ZXVlIGFu ZCBvbmUgZm9yIGtuaS4gKGFsbA0KPiBsY29yZSB0aHJlYWRzIHJ1bnMgb24gc29ja2V0MCkN Cj4gDQo+IGluaXQga25pIGludGVyZmFjZSB3aXRoIHJ0ZV9rbmlfYWxsb2MoKQ0KPiANCj4g DQo+IGluaXQgb25lIE5JQyBpbnRlcmZhY2Ugd2l0aA0KPiAgcnRlX2V0aF9kZXZfY29uZmln dXJlKCk7IHJ0ZV9ldGhfcnhfcXVldWVfc2V0dXAoKTsNCj4gcnRlX2V0aF90eF9xdWV1ZV9z ZXR1cCgpOyBydGVfZXRoX2Rldl9zdGFydCgpOw0KPiANCj4gDQo+IA0KPiBpbiB0aGUgZXRo IG1haW4gbG9vcDogKGNvZGUgaXMgc2ltcGxpZmllZCkNCj4gIHdoaWxlKDEpIHsgICAgIG4g PSBydGVfZXRoX3J4X2J1cnN0KHBhY2tldHMpOyAgICAgZm9yIChpID0gMDsgaSA8IG47ICsr aSkgICAgICB7ICAgICAgICAgaWYNCj4gKFNFTkRfVE9fS05JKSB7ICAgICAgICAgICAgIG0g PSBydGVfa25pX3R4X2J1cnN0KHBhY2tldHNbaV0pOyAgICAgICAgICAgICBpZiAobSAhPSAx KSkNCj4geyAgICAgICAgICAgICAgICAgcnRlX3BrdG1idWZfZnJlZShwYWNrZXRzW2ldKTsg ICAgICAgICAgICAgfSAgICAgICAgIH0gICAgICAgICBpZiAoU0VORF9UT19FVEgpDQo+IHsg ICAgICAgICAgICAgLy8gYWZ0ZXIgbW9kaWZ5IHRoZSBwYWNrZXQgICAgICAgICAgICAgbSA9 IHJ0ZV9ldGhfdHhfYnVyc3QocGFja2V0c1tpXSk7DQo+IGlmIChtICE9IDEpKSB7ICAgICAg ICAgICAgICAgICBydGVfcGt0bWJ1Zl9mcmVlKHBhY2tldHNbaV0pOyAgICAgICAgICAgICB9 ICAgICAgICAgfSAgICAgICAgIC8vDQo+IG90aGVyd2lzZSBkcm9wIHRoZSBwYWNrZXQgICAg ICAgICBydGVfcGt0bWJ1Zl9mcmVlKHBhY2tldHNbaV0pOyAgICAgfSB9DQo+IA0KPiANCj4g UGxlYXNlIGFkdmlzZSBpZiBJJ20gdXNpbmcgRFBESyBpbiBhIHdyb25nIHdheS4gU29ycnkg aWYgSSBtaXNzZWQgc29tZXRoaW5nDQo+IGJhc2ljLCBJJ20gbmV3IHRvIERQREsuDQo+IA0K PiBUaGFua3MgaW4gYWR2YW5jZQ0KPiAgQmVzdCByZWdhcmRz