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 400C1A0471 for ; Fri, 21 Jun 2019 03:12:40 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 0F1A21D4D5; Fri, 21 Jun 2019 03:12:39 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id 5ADC31D4B3 for ; Fri, 21 Jun 2019 03:12:37 +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 fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Jun 2019 18:12:36 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,398,1557212400"; d="scan'208,217";a="162536247" Received: from fmsmsx108.amr.corp.intel.com ([10.18.124.206]) by fmsmga007.fm.intel.com with ESMTP; 20 Jun 2019 18:12:36 -0700 Received: from shsmsx102.ccr.corp.intel.com (10.239.4.154) by FMSMSX108.amr.corp.intel.com (10.18.124.206) with Microsoft SMTP Server (TLS) id 14.3.439.0; Thu, 20 Jun 2019 18:12:35 -0700 Received: from shsmsx101.ccr.corp.intel.com ([169.254.1.87]) by shsmsx102.ccr.corp.intel.com ([169.254.2.33]) with mapi id 14.03.0439.000; Fri, 21 Jun 2019 09:12:33 +0800 From: "Wang, Haiyue" To: Andrew Rybchenko , "dev@dpdk.org" CC: "Yigit, Ferruh" , Thomas Monjalon Thread-Topic: [dpdk-dev] [RFC] ethdev: reserve the RX offload most-significant bits for PMD scartch Thread-Index: AQHVJzn/6O52XV/ZVE6lR0PdsKGer6akV9EAgADtNiA= Date: Fri, 21 Jun 2019 01:12:33 +0000 Message-ID: References: <1561015552-37671-1-git-send-email-haiyue.wang@intel.com> <41d93d60-9097-48a4-6a26-8ebd0cfb4b39@solarflare.com> In-Reply-To: <41d93d60-9097-48a4-6a26-8ebd0cfb4b39@solarflare.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiMzdhNGFhMzYtZTBlNi00YjdlLWJlNzUtYjQwYjY0OTVlM2YwIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoiOElLVUY2akx3Rmh2eFBtbGJwRGJyMnQxaERnbmVvVEZCZHRKUktLcVp5NFdRV3E3ZGQyaEh6dlhNQ2Fhc21TZSJ9 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] MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 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" Tm90IHNvIGZyaWdodGVuaW5nIGluIHJlYWwgd29ybGQgZm9yIGFuIGFwcGxpY2F0aW9uIHRvIGJl IGF3YXJlIG9mIGl0cyBOSUNzOg0KaHR0cHM6Ly9naXRodWIuY29tL0p1bmlwZXIvY29udHJhaWwt dnJvdXRlci9ibG9iL21hc3Rlci9kcGRrL3ZyX2RwZGtfZXRoZGV2LmMjTDM4Nw0KDQpZZXMsIHdl IG5lZWQgdG8gYXZvaWQgdGhpcyBraW5kIG9mIGRlc2lnbi4NCg0KQlIsDQpIYWl5dWUNCg0KRnJv bTogQW5kcmV3IFJ5YmNoZW5rbyBbbWFpbHRvOmFyeWJjaGVua29Ac29sYXJmbGFyZS5jb21dDQpT ZW50OiBGcmlkYXksIEp1bmUgMjEsIDIwMTkgMDI6MzANClRvOiBXYW5nLCBIYWl5dWUgPGhhaXl1 ZS53YW5nQGludGVsLmNvbT47IGRldkBkcGRrLm9yZw0KQ2M6IFlpZ2l0LCBGZXJydWggPGZlcnJ1 aC55aWdpdEBpbnRlbC5jb20+OyBUaG9tYXMgTW9uamFsb24gPHRob21hc0Btb25qYWxvbi5uZXQ+ DQpTdWJqZWN0OiBSZTogW2RwZGstZGV2XSBbUkZDXSBldGhkZXY6IHJlc2VydmUgdGhlIFJYIG9m ZmxvYWQgbW9zdC1zaWduaWZpY2FudCBiaXRzIGZvciBQTUQgc2NhcnRjaA0KDQpDQyBldGhkZXYg bWFpbnRhaW5lcnMNCg0KT24gNi8yMC8xOSAxMDoyNSBBTSwgSGFpeXVlIFdhbmcgd3JvdGU6DQoN CkdlbmVyYWxseSBzcGVha2luZywgdGhlIERFVl9SWF9PRkZMT0FEX3h4eCBmb3IgUlggb2ZmbG9h ZCBjYXBhYmlsaXRpZXMNCg0Kb2YgYSBkZXZpY2UgaXMgb25lLWJpdCBmaWVsZCBkZWZpbml0aW9u LCBpdCBoYXMgNjQgZGlmZmVyZW50IHZhbHVlcyBhdA0KDQptb3N0Lg0KDQoNCg0KTm93ZGF5cyB0 aGUgcmVjZWl2aW5nIHF1ZXVlIG9mIE5JQyBoYXMgcmljaCBmZWF0dXJlcyBub3QganVzdCBjaGVj a3N1bQ0KDQpvZmZsb2FkLCBsaWtlIGl0IGNhbiBleHRyYWN0IHRoZSBuZXR3b3JrIHByb3RvY29s IGhlYWRlciBmaWVsZHMgdG8gaXRzDQoNClJYIGRlc2NyaXB0b3JzIGZvciBxdWlja2x5IGhhbmRs aW5nLiBCdXQgdGhpcyBraW5kIG9mIGZlYXR1cmUgaXMgbm90IHNvDQoNCmNvbW1vbiwgYW5kIGl0 IGlzIGhhcmR3YXJlIHJlbGF0ZWQuIE5vcm1hbGx5LCB0aGlzIGNhbiBiZSBkb25lIHRocm91Z2gN Cg0KcnRlX2RldmFyZ3MgZHJpdmVyIHBhcmFtZXRlcnMsIGJ1dCB0aGUgc2NvcGUgaXMgcGVyIGRl dmljZS4gVGhpcyBpcyBub3QNCg0Kc28gbmljZSBmb3IgcGVyIHF1ZXVlIGRlc2lnbi4NCg0KDQoN ClRoZSBwZXIgcXVldWUgQVBJICdydGVfZXRoX3J4X3F1ZXVlX3NldHVwJyBhbmQgZGF0YSBzdHJ1 Y3R1cmUgJ3N0cnVjdA0KDQpydGVfZXRoX3J4Y29uZicgYXJlIHN0YWJsZSBub3csIGFuZCBiZSBj b21tb24gZm9yIGFsbCBQTURzLiBGb3Iga2VlcGluZw0KDQp0aGUgZXRoZGV2IEFQSSAmIEFCSSBj b21wYXRpYmlsaXR5LCBhbmQgdGhlIGFwcGxpY2F0aW9uIGNhbiBtYWtlIGdvb2QNCg0KdXNlIG9m IHRoZSBOSUMncyBzcGVjaWZpYyBmZWF0dXJlcywgcmVzZXJ2aW5nIHRoZSBtb3N0LXNpZ25pZmlj YW50IGJpdHMNCg0Kb2YgUlggb2ZmbG9hZCBzZWVtcyBhbiBjb21wcm9taXNlIG1ldGhvZC4NCg0K DQoNClRoZW4gdGhlIFBNRHMgcmVkZWZpbmUgdGhlc2UgYml0cyBhcyB0aGV5IHdhbnQsIGFsbCBQ TURzIHNoYXJlIHRoZSBzYW1lDQoNCmJpdCBwb3NpdGlvbnMgYW5kIGV4cG9zZSB0aGVpciBuZXcg ZGVmaW5pdGlvbnMgd2l0aCB0aGUgaGVhZGVyIGZpbGUuDQoNCg0KDQpUaGUgZXhwZXJpbWVudGFs IHJlc2VydmVkIGJpdHMgbnVtYmVyIGlzIDYgY3VycmVudGx5LiBUdCBjYW4gYmUgb25lLWJpdA0K DQpmb3IgZWFjaCBmZWF0dXJlcyB1cCB0byB0aGUgdGhlIG1heGltdW0gbnVtYmVyIDYuIEl0IGNh biBhbHNvIGJlIHNvbWUNCg0KYml0cyBlbmNvZGluZzogZS5nLCA2IGJpdHMgY2FuIHN0YW5kIGZv ciA2MyBtYXhpbXVtIG51bWJlciBvZiBmZWF0dXJlcy4NCg0KDQoNCldlIGNhbGwgdGhlc2UgcmVz ZXJ2ZWQgYml0cyBhcyBERVZfUlhfT0ZGTE9BRF9QTURfU0NSQVRDSC4gQW5kIHRoZSBsZWZ0DQoN CnVudXNlZCBiaXRzIG51bWJlciBpcyA6IDY0IC0gMTkgKGN1cnJlbnRseSBkZWZpbmVkKSAtIDYg KFBNRCBzY2FydGNoKSA9DQoNCjM5Lg0KDQoNCg0KVGhpcyBpcyBub3Qgc28gbmljZSBmb3IgYXBw bGljYXRpb25zLCB0aGV5IG5lZWQgdG8gY2hlY2sgUE1EJ3MgZHJpdmVyDQoNCm5hbWUgZm9yIGxv b2t1cGluZyB0aGVpciBERVZfUlhfT0ZGTE9BRF9QTURfU0NSQVRDSCBkZWZpbml0aW9ucy4gQnV0 IGl0DQoNCmlzIGdvb2QgZm9yIHRoZSBhcHBsaWNhdGlvbnMgdG8gbWFrZSB1c2Ugb2YgdGhlIGhh cmR3YXJlIGNvbXBhdGliaWxpdHkuDQoNCg0KDQpTaWduZWQtb2ZmLWJ5OiBIYWl5dWUgV2FuZyA8 aGFpeXVlLndhbmdAaW50ZWwuY29tPjxtYWlsdG86aGFpeXVlLndhbmdAaW50ZWwuY29tPg0KDQpJ IHdvdWxkIHNheSB0aGF0IGl0IHZlcnkgYmFkIGZvciBhcHBsaWNhdGlvbnMuIEl0IHNvdW5kcyBs aWtlIHJlc2VydmVkIGJpdHMNCmluIHJlZ2lzdGVycyB3aGljaCBoYXZlIG1lYW5pbmcgaW4gZmFj dCBhbmQgc29tZXRpbWVzIGRpZmZlcmVudCBtZWFuaW5nLg0KT2YgY291cnNlLCBpdCBpcyBub3Qg dGhhdCBiYWQgd2hlbiBydWxlcyBhcmUgZGVmaW5lZCwgYnV0IHN1Y2gga2luZCBvZg0KZmVhdHVy ZXMgdGVuZCB0byBzcHJlYWQgYW5kIGNsdXR0ZXIgdXAgaW50ZXJmYWNlcy4gSU1ITywgdGhlIGZl YXR1cmUgaXMNCnJlYWxseSBmcmlnaHRlbmluZy4NCg==