From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id D7A15A0471 for ; Fri, 21 Jun 2019 18:37:13 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 7DD3E1D54D; Fri, 21 Jun 2019 18:37:13 +0200 (CEST) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id F37A01D548 for ; Fri, 21 Jun 2019 18:37:11 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Jun 2019 09:37:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,401,1557212400"; d="scan'208";a="162711567" Received: from fmsmsx104.amr.corp.intel.com ([10.18.124.202]) by fmsmga007.fm.intel.com with ESMTP; 21 Jun 2019 09:37:10 -0700 Received: from fmsmsx119.amr.corp.intel.com (10.18.124.207) by fmsmsx104.amr.corp.intel.com (10.18.124.202) with Microsoft SMTP Server (TLS) id 14.3.439.0; Fri, 21 Jun 2019 09:37:10 -0700 Received: from shsmsx151.ccr.corp.intel.com (10.239.6.50) by FMSMSX119.amr.corp.intel.com (10.18.124.207) with Microsoft SMTP Server (TLS) id 14.3.439.0; Fri, 21 Jun 2019 09:37:10 -0700 Received: from shsmsx101.ccr.corp.intel.com ([169.254.1.87]) by SHSMSX151.ccr.corp.intel.com ([169.254.3.246]) with mapi id 14.03.0439.000; Sat, 22 Jun 2019 00:37:08 +0800 From: "Wang, Haiyue" To: Stephen Hemminger CC: Andrew Rybchenko , "dev@dpdk.org" , "Yigit, Ferruh" , Thomas Monjalon Thread-Topic: [dpdk-dev] [RFC] ethdev: reserve the RX offload most-significant bits for PMD scartch Thread-Index: AQHVJzn/6O52XV/ZVE6lR0PdsKGer6akV9EAgADtNiD//+3FgIAAhntA//97MwCAAIZMEP//+JWAABNMr5A= Date: Fri, 21 Jun 2019 16:37:08 +0000 Message-ID: References: <1561015552-37671-1-git-send-email-haiyue.wang@intel.com> <41d93d60-9097-48a4-6a26-8ebd0cfb4b39@solarflare.com> <3500154e-74e5-d4f7-6606-ad1fea300f0e@solarflare.com> <8751ae1d-a912-5716-59d4-3afbeb89a057@solarflare.com> <20190621081403.3f157667@hermes.lan> In-Reply-To: <20190621081403.3f157667@hermes.lan> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiMGIzZTk4NjYtMzU2Mi00NzM5LTliYWEtNTE1ODllYmU4OWMyIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoiM2JuQ2NuS1RBSjRpWUtXMEkzYUtkMHJRcitCaEE1OU4xYjZyXC9NMnFxVTAyZVdMXC85WlRETXpwTXpTeHFEcys2In0= x-ctpclassification: CTP_NT dlp-product: dlpe-windows dlp-version: 11.2.0.6 dlp-reaction: no-action x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Subject: Re: [dpdk-dev] [RFC] ethdev: reserve the RX offload most-significant bits for PMD scartch X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBTdGVwaGVuIEhlbW1pbmdlciBb bWFpbHRvOnN0ZXBoZW5AbmV0d29ya3BsdW1iZXIub3JnXQ0KPiBTZW50OiBGcmlkYXksIEp1bmUg MjEsIDIwMTkgMjM6MTQNCj4gVG86IFdhbmcsIEhhaXl1ZSA8aGFpeXVlLndhbmdAaW50ZWwuY29t Pg0KPiBDYzogQW5kcmV3IFJ5YmNoZW5rbyA8YXJ5YmNoZW5rb0Bzb2xhcmZsYXJlLmNvbT47IGRl dkBkcGRrLm9yZzsgWWlnaXQsIEZlcnJ1aCA8ZmVycnVoLnlpZ2l0QGludGVsLmNvbT47DQo+IFRo b21hcyBNb25qYWxvbiA8dGhvbWFzQG1vbmphbG9uLm5ldD4NCj4gU3ViamVjdDogUmU6IFtkcGRr LWRldl0gW1JGQ10gZXRoZGV2OiByZXNlcnZlIHRoZSBSWCBvZmZsb2FkIG1vc3Qtc2lnbmlmaWNh bnQgYml0cyBmb3IgUE1EIHNjYXJ0Y2gNCj4gDQo+IE9uIEZyaSwgMjEgSnVuIDIwMTkgMDc6NDM6 MTMgKzAwMDANCj4gIldhbmcsIEhhaXl1ZSIgPGhhaXl1ZS53YW5nQGludGVsLmNvbT4gd3JvdGU6 DQo+IA0KPiA+IFRoZSBleHBlcmltZW50YWwgcmVzZXJ2ZWQgYml0cyBudW1iZXIgaXMgNiBjdXJy ZW50bHkuIFR0IGNhbiBiZSBvbmUtYml0DQo+ID4NCj4gPiBmb3IgZWFjaCBmZWF0dXJlcyB1cCB0 byB0aGUgdGhlIG1heGltdW0gbnVtYmVyIDYuIEl0IGNhbiBhbHNvIGJlIHNvbWUNCj4gPg0KPiA+ IGJpdHMgZW5jb2Rpbmc6IGUuZywgNiBiaXRzIGNhbiBzdGFuZCBmb3IgNjMgbWF4aW11bSBudW1i ZXIgb2YgZmVhdHVyZXMuDQo+ID4NCj4gPg0KPiA+DQo+ID4gV2UgY2FsbCB0aGVzZSByZXNlcnZl ZCBiaXRzIGFzIERFVl9SWF9PRkZMT0FEX1BNRF9TQ1JBVENILiBBbmQgdGhlIGxlZnQNCj4gPg0K PiA+IHVudXNlZCBiaXRzIG51bWJlciBpcyA6IDY0IC0gMTkgKGN1cnJlbnRseSBkZWZpbmVkKSAt IDYgKFBNRCBzY2FydGNoKSA9DQo+ID4NCj4gPiAzOS4NCj4gPg0KPiA+DQo+ID4NCj4gPiBUaGlz IGlzIG5vdCBzbyBuaWNlIGZvciBhcHBsaWNhdGlvbnMsIHRoZXkgbmVlZCB0byBjaGVjayBQTUQn cyBkcml2ZXINCj4gPg0KPiA+IG5hbWUgZm9yIGxvb2t1cGluZyB0aGVpciBERVZfUlhfT0ZGTE9B RF9QTURfU0NSQVRDSCBkZWZpbml0aW9ucy4gQnV0IGl0DQo+ID4NCj4gPiBpcyBnb29kIGZvciB0 aGUgYXBwbGljYXRpb25zIHRvIG1ha2UgdXNlIG9mIHRoZSBoYXJkd2FyZSBjb21wYXRpYmlsaXR5 Lg0KPiA+DQo+ID4NCj4gPg0KPiA+IFNpZ25lZC1vZmYtYnk6IEhhaXl1ZSBXYW5nIDxoYWl5dWUu d2FuZ0BpbnRlbC5jb20+PG1haWx0bzpoYWl5dWUud2FuZ0BpbnRlbC5jb20+DQo+ID4NCj4gPiBJ IHdvdWxkIHNheSB0aGF0IGl0IHZlcnkgYmFkIGZvciBhcHBsaWNhdGlvbnMuIEl0IHNvdW5kcyBs aWtlIHJlc2VydmVkIGJpdHMNCj4gPiBpbiByZWdpc3RlcnMgd2hpY2ggaGF2ZSBtZWFuaW5nIGlu IGZhY3QgYW5kIHNvbWV0aW1lcyBkaWZmZXJlbnQgbWVhbmluZy4NCj4gPiBPZiBjb3Vyc2UsIGl0 IGlzIG5vdCB0aGF0IGJhZCB3aGVuIHJ1bGVzIGFyZSBkZWZpbmVkLCBidXQgc3VjaCBraW5kIG9m DQo+ID4gZmVhdHVyZXMgdGVuZCB0byBzcHJlYWQgYW5kIGNsdXR0ZXIgdXAgaW50ZXJmYWNlcy4g SU1ITywgdGhlIGZlYXR1cmUgaXMNCj4gPiByZWFsbHkgZnJpZ2h0ZW5pbmcuDQo+IA0KPiBUaGVy ZSBhcmUgdHdvIGlzc3Vlcy4gRmlyc3QsIGhhdmluZyBtb3JlIE9GRkxPQUQgY2FwYWJpbGl0eSBm ZWF0dXJlIGJpdHMNCj4gaXMgZ29vZC4gQXMgbG9uZyBhcyB0aGVzZSBmZWF0dXJlIGJpdHMgYXJl IHdlbGwgZGVmaW5lZC4gSWYgb25seSBvbmUgdmVuZG9yDQo+IGltcGxlbWVudHMgdGhhdCBmZWF0 dXJlIHRoYXQgaXMgZmluZS4gQW5vdGhlciB2ZW5kb3IgY2FuIGltcGxlbWVudCB0aGUNCj4gc2Ft ZSB0aGluZywgYW5kIGFwcGxpY2F0aW9uIGNhbiBrbm93IHdoYXQgaXQgaXMgYXNraW5nIGZvci4N Cj4gDQo+IFRoZSBvdGhlciBpc3N1ZSBpcyB0aGUgbGltaXRlZCBudW1iZXIgb2YgZmVhdHVyZSBi aXRzLiBJIGV4cGVjdCB0aGF0IHNvbWUNCj4gdGltZSBzb29uIHRoZSBiaXRzIHdpbGwgaGF2ZSB0 byBncm93IGludG8gYW4gYXJyYXkgYW5kIGNhdXNlIEFQSS9BQkkNCj4gYnJlYWsuIFRoYXQgY2Fu IGJlIGZpeGVkIHdoZW4gdGhlIGxhc3QgYml0IGlzIGV4aGF1c3RlZC4NCj4gDQo+IA0KDQpJZiBv bmUgYml0IGZvciBvbmUgZmVhdHVyZSwgdGhlbiBpdCB3aWxsIGJlIGV4aGF1c3RlZCBzb29uLiBU aGF0J3Mgd2h5IEkgc2FpZA0KdXNpbmcgREVWX1JYX09GRkxPQURfUE1EX1NDUkFUQ0ggYml0cyB0 byAqZW5jb2RlKiB0aGUgUE1EJ3Mgb2ZmbG9hZCBpZiBpdCBpcyBubw0Kc28gY29tbW9uIG5vdywg c3VjaCBhcyA2IGJpdHMgd2lsbCBnaXZlIHRoZSB2ZW5kb3IgNjMgZGlmZmVyZW50IHR5cGVzIHRv IHNlbGVjdA0KdGhlaXIgb3duIGZlYXR1cmVzLiBBbmQgaGF2ZSAzOSBmb3IgY29tbW9uIGZlYXR1 cmVzIGRlZmluZWQgaW4gdGhlIGZ1dHVyZS4NCg0KRnJhbmtseSBzcGVha2luZywgaWYgd2Ugb3Bl biBzb21lIGJpdHMgZm9yIFBNRCB1c2luZywgbGlrZSB0aGUgX19ydGVfZXhwZXJpbWVudGFsDQpB UEkgc3R5bGUsIHRoZW4gUE1EIHdpbGwgaGF2ZSBtb3JlIHJpY2ggZmVhdHVyZSBmb3Igb3Blbiwg Y3VzdG9tZXIgY2FuIHVzZSB0aGUNCmV4cGVyaW1lbnRhbCBmZWF0dXJlcywgYW5kIHRoZXNlIGV4 cGVyaW1lbnRhbCBmZWF0dXJlcyBtYXkgYmUgY29tbW9uIGluIHNvbWUgZGF5Lg0KDQpXZWxsLCBq dXN0IG15IHR3byBjZW50cy4gSSd2ZSBhbHNvIHByb3ZpZGVkIHRoZSB0ZXN0cG1kIGNtZGxpbmUg dG8gaGVscCBtb3JlDQp2ZW5kb3JzIGNhbiB0ZXN0IHRoZWlyIFNDUkFUQ0ggUlggT0ZGTE9BRFMg aWYgdGhleSBoYXZlLg0K