From mboxrd@z Thu Jan 1 00:00:00 1970 From: Haiyang Zhang Subject: RE: [PATCH net-next] net: increase LL_MAX_HEADER if HYPERV_NET is enabled Date: Tue, 3 Nov 2015 17:34:47 +0000 Message-ID: References: <1446398459.6254.90.camel@edumazet-glaptop2.roam.corp.google.com> <20151101.155859.1206189858863918018.davem@davemloft.net> <20151103.103319.1465681990237533576.davem@davemloft.net> <1446568644.23275.65.camel@edumazet-glaptop2.roam.corp.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: KY Srinivasan , "edumazet@google.com" , "netdev@vger.kernel.org" To: Eric Dumazet , David Miller Return-path: Received: from mail-bn1bon0147.outbound.protection.outlook.com ([157.56.111.147]:44399 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751415AbbKCReu (ORCPT ); Tue, 3 Nov 2015 12:34:50 -0500 In-Reply-To: <1446568644.23275.65.camel@edumazet-glaptop2.roam.corp.google.com> Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogRXJpYyBEdW1hemV0IFtt YWlsdG86ZXJpYy5kdW1hemV0QGdtYWlsLmNvbV0NCj4gU2VudDogVHVlc2RheSwgTm92ZW1iZXIg MywgMjAxNSAxMTozNyBBTQ0KPiBUbzogRGF2aWQgTWlsbGVyIDxkYXZlbUBkYXZlbWxvZnQubmV0 Pg0KPiBDYzogS1kgU3Jpbml2YXNhbiA8a3lzQG1pY3Jvc29mdC5jb20+OyBIYWl5YW5nIFpoYW5n DQo+IDxoYWl5YW5nekBtaWNyb3NvZnQuY29tPjsgZWR1bWF6ZXRAZ29vZ2xlLmNvbTsNCj4gbmV0 ZGV2QHZnZXIua2VybmVsLm9yZw0KPiBTdWJqZWN0OiBSZTogW1BBVENIIG5ldC1uZXh0XSBuZXQ6 IGluY3JlYXNlIExMX01BWF9IRUFERVIgaWYgSFlQRVJWX05FVA0KPiBpcyBlbmFibGVkDQo+IA0K PiBPbiBUdWUsIDIwMTUtMTEtMDMgYXQgMTA6MzMgLTA1MDAsIERhdmlkIE1pbGxlciB3cm90ZToN Cj4gPiBGcm9tOiBLWSBTcmluaXZhc2FuIDxreXNAbWljcm9zb2Z0LmNvbT4NCj4gPiBEYXRlOiBU dWUsIDMgTm92IDIwMTUgMDc6NTk6MzYgKzAwMDANCj4gPg0KPiA+ID4gSSBoYXZlIGltcGxlbWVu dGVkIHRoZSBzY2hlbWUgd2UgaGFkIGRpc2N1c3NlZCBhIGZldyB3ZWVrcyBhZ28uIEluDQo+ID4g PiB0aGlzIG5ldyBpbXBsZW1lbnRhdGlvbiBvdXIgZHJpdmVyIGlzIE5PVCByZXF1ZXN0aW5nIGFk ZGl0aW9uDQo+ID4gPiBoZWFkcm9vbSAtIHJuZGlzIGhlYWRlciBhbmQgdGhlIHBlciBwYWNrZXQg c3RhdGUgaXMgYmVpbmcgbWFpbnRhaW5lZA0KPiA+ID4gb3V0c2lkZSBvZiB0aGUgc2tiLiBXaGF0 IEkgYW0gc2VlaW5nIGlzIHRoYXQgd2hlbiBJIGhhdmUNCj4gPiA+IExMX01BWF9IRUFERVIgc2V0 IHRvIDIyMCBieXRlcywgZXZlbiB0aG91Z2ggb3VyIGRyaXZlciBpcyBub3QgdXNpbmcNCj4gPiA+ IHRoZSBhZGRpdGlvbmFsIGhlYWQgcm9vbSwgSSBzZWUgYWJvdXQgYSAxMCUgYm9vc3QgaW4gdGhl IHBlYWsNCj4gPiA+IHBlcmZvcm1hbmNlIChhYm91dCAzNCBHYnBzIG9uIGEgNDBHYnBzIGludGVy ZmFjZSkuIEhvd2V2ZXIsIHdoZW4gSQ0KPiA+ID4gc2V0IHRoZSBMTF9NQVhfSEVBREVSIHZhbHVl IHRvIHRoZSBjdXJyZW50IGRlZmF1bHQsIHRoZSBwZWFrDQo+ID4gPiBwZXJmb3JtYW5jZSBkcm9w cyBiYWNrIHRvIHdoYXQgd2UgY3VycmVudGx5IGhhdmUgKGFyb3VuZCAzMSBHYnBzKS4NCj4gPiA+ IEluIGJvdGggdGhlc2UgY2FzZXMsIHRoZXJlIGlzIG5vIHJlYWxsb2NhdGlvbiBvZiBza2Igc2lu Y2Ugbm8NCj4gPiA+IGFkZGl0aW9uYWwgaGVhZHJvb20gaXMgYmVpbmcgcmVxdWVzdGVkIGFuZCB5 ZXQgdGhlcmUgaXMgYQ0KPiA+ID4gc2lnbmlmaWNhbnQgZGlmZmVyZW5jZSBpbiBwZXJmb3JtYW5j ZS4gIEkgdHJ5aW5nIHRvIGZpZ3VyZSBvdXQgd2h5DQo+ID4gPiB0aGlzIGlzIHRoZSBjYXNlLCB5 b3VyIGluc2lnaHRzIHdpbGwgYmUgZ3JlYXRseSBhcHByZWNpYXRlZC4NCj4gPg0KPiA+IEl0IHBy b2JhYmx5IGhhcyBzb21ldGhpbmcgdG8gZG8gd2l0aCBjYWNoZSBsaW5lIG9yIGRhdGEgYWxpZ25t ZW50Lg0KPiANCj4gVGhpcyBhbHNvIG1pZ2h0IGJlIGJlY2F1c2Ugb2YgYSBzbGlnaHQgY2hhbmdl IGluIHNrYi0+dHJ1ZXNpemUsIGFuZC9vciBhDQo+IGNoYW5nZSBvZiBhbW91bnQgb2YgcGF5bG9h ZCBpbiBza2ItPmhlYWQNCj4gDQo+IChJbmNyZWFzaW5nIExMX01BWF9IRUFERVIgaXMgcmVkdWNp bmcgYW1vdW50IG9mIHBheWxvYWQgaW4gc2tiLT5oZWFkKQ0KPiANCj4gQ2FuJ3QgeW91IHJ1biBw ZXJmIHRvb2wgdG8gZ2V0IHNvbWUgcHJlY2lzZSBwcm9maWxpbmcgPw0KPiANCj4gDQo+IEFub3Ro ZXIgcmVkIGZsYWcgaW4geW91IGRyaXZlciB4bWl0IGlzIDoNCj4gDQo+IHJldHVybiAocmV0ID09 IC1FQUdBSU4pID8gTkVUREVWX1RYX0JVU1kgOiBORVRERVZfVFhfT0s7DQo+IA0KPiANCj4gZXh0 cmFjdCBmcm9tIGluY2x1ZGUvbGludXgvbmV0ZGV2aWNlLmgNCj4gICogbmV0ZGV2X3R4X3QgKCpu ZG9fc3RhcnRfeG1pdCkoc3RydWN0IHNrX2J1ZmYgKnNrYiwNCj4gICogICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgc3RydWN0IG5ldF9kZXZpY2UgKmRldik7DQo+ICAqICAgICAgQ2FsbGVk IHdoZW4gYSBwYWNrZXQgbmVlZHMgdG8gYmUgdHJhbnNtaXR0ZWQuDQo+ICAqICAgICAgUmV0dXJu cyBORVRERVZfVFhfT0suICBDYW4gcmV0dXJuIE5FVERFVl9UWF9CVVNZLCBidXQgeW91IHNob3Vs ZA0KPiBzdG9wDQo+ICAqICAgICAgdGhlIHF1ZXVlIGJlZm9yZSB0aGF0IGNhbiBoYXBwZW47IGl0 J3MgZm9yIG9ic29sZXRlIGRldmljZXMgYW5kIHdlaXJkDQo+ICAqICAgICAgY29ybmVyIGNhc2Vz LCBidXQgdGhlIHN0YWNrIHJlYWxseSBkb2VzIGEgbm9uLXRyaXZpYWwgYW1vdW50DQo+ICAqICAg ICAgb2YgdXNlbGVzcyB3b3JrIGlmIHlvdSByZXR1cm4gTkVUREVWX1RYX0JVU1kuDQoNCldlIHN0 b3AgeG1pdCB3aGVuIHJpbmcgYnVmZmVyIGlzIDwxMCUgYXZhaWxhYmxlIChuZXR2c2Nfc2VuZF9w a3QoKSksIHNvIHdlIA0KYWxtb3N0IG5ldmVyIGhpdCBlbXB0eSByaW5nIGJ1ZmZlciBhbmQgcmV0 dXJuIE5FVERFVl9UWF9CVVNZLiANCkJ1dCB3ZSBzdGlsbCBrZWVwIHRoaXMgYnVzeSByZXR1cm4g aW4gb3VyIGNvZGUsIGp1c3QgZm9yICJ3ZWlyZCBjb3JuZXIgY2FzZXMiLg0KDQpUaGFua3MsDQot IEhhaXlhbmcNCg0K