From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Duyck, Alexander H" Subject: Re: [PATCH RFC] ixgbe: ixgbe_atr() must check if network header is available in headlen Date: Mon, 17 Oct 2016 14:38:48 +0000 Message-ID: <1476715125.4409.8.camel@intel.com> References: <20161015213104.GK31471@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 To: "netdev@vger.kernel.org" , "sowmini.varadhan@oracle.com" Return-path: Received: from mga09.intel.com ([134.134.136.24]:39360 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932489AbcJQOiu (ORCPT ); Mon, 17 Oct 2016 10:38:50 -0400 In-Reply-To: <20161015213104.GK31471@oracle.com> Content-Language: en-US Content-ID: <554697E263450642AF0189A67611DBD0@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: T24gU2F0LCAyMDE2LTEwLTE1IGF0IDE3OjMxIC0wNDAwLCBTb3dtaW5pIFZhcmFkaGFuIHdyb3Rl Og0KPiBGb3Igc29tZSBUeCBwYXRocyAoZS5nLiwgdHBhY2tldF9zbmQoKSksIGl4Z2JlX2F0ciBt YXkgYmUNCj4gcGFzc2VkIGRvd24gYW4gc2tfYnVmZiB0aGF0IGhhcyB0aGUgbmV0d29yayBhbmQg dHJhbnNwb3J0DQo+IGhlYWRlciBpbiB0aGUgcGFnZWQgZGF0YSwgc28gaXQgbmVlZHMgdG8gbWFr ZSBzdXJlIHRoZXNlDQo+IGhlYWRlcnMgYXJlIGF2YWlsYWJsZSBpbiB0aGUgaGVhZGxlbiBieXRl cyB0byBjYWxjdWxhdGUgdGhlDQo+IGw0X3Byb3RvLg0KPiANCj4gVGhpcyBwYXRjaCBiYWlscyBv dXQgaWYgdGhlIGhlYWRsZW4gaXMgInRvbyBzaG9ydCIsIGFuZCBkb2VzDQo+IG5vdCBhdHRlbXB0 IHRvIGNhbGwgc2tiX2hlYWRlcl9wb2ludGVyKCkgdG8gZ2V0IHRoZSBuZWVkZWQNCj4gYnl0ZXM6 IHRoZSBhc3N1bXB0aW9uIGlzIHRoYXQgdGhlIGNhbGxlciBzaG91bGQgc2V0IHRoaW5ncw0KPiB1 cCBwcm9wZXJseSBpZiB0aGUgbDRfcHJvdG8gYmFzZWQgdHggc3RlZXJpbmcgaXMgZGVzaXJlZC4N Cj4gDQo+ID4gU2lnbmVkLW9mZi1ieTogU293bWluaSBWYXJhZGhhbiA8c293bWluaS52YXJhZGhh bkBvcmFjbGUuY29tPg0KPiAtLS0NCj4gwqBkcml2ZXJzL25ldC9ldGhlcm5ldC9pbnRlbC9peGdi ZS9peGdiZV9tYWluLmMgfMKgwqDCoMKgOSArKysrKysrKysNCj4gwqAxIGZpbGVzIGNoYW5nZWQs IDkgaW5zZXJ0aW9ucygrKSwgMCBkZWxldGlvbnMoLSkNCj4gDQo+IGRpZmYgLS1naXQgYS9kcml2 ZXJzL25ldC9ldGhlcm5ldC9pbnRlbC9peGdiZS9peGdiZV9tYWluLmMgYi9kcml2ZXJzL25ldC9l dGhlcm5ldC9pbnRlbC9peGdiZS9peGdiZV9tYWluLmMNCj4gaW5kZXggYTI0NGQ5YS4uMDg2OGRl MSAxMDA2NDQNCj4gLS0tIGEvZHJpdmVycy9uZXQvZXRoZXJuZXQvaW50ZWwvaXhnYmUvaXhnYmVf bWFpbi5jDQo+ICsrKyBiL2RyaXZlcnMvbmV0L2V0aGVybmV0L2ludGVsL2l4Z2JlL2l4Z2JlX21h aW4uYw0KPiBAQCAtNzYzMiw2ICs3NjMyLDcgQEAgc3RhdGljIHZvaWQgaXhnYmVfYXRyKHN0cnVj dCBpeGdiZV9yaW5nICpyaW5nLA0KPiA+IMKgCXN0cnVjdCBza19idWZmICpza2I7DQo+ID4gwqAJ X19iZTE2IHZsYW5faWQ7DQo+ID4gwqAJaW50IGw0X3Byb3RvOw0KPiA+ICsJaW50IG1pbl9oZHJf c2l6ZSA9IDA7DQo+IMKgDQo+ID4gwqAJLyogaWYgcmluZyBkb2Vzbid0IGhhdmUgYSBpbnRlcnJ1 cHQgdmVjdG9yLCBjYW5ub3QgcGVyZm9ybSBBVFIgKi8NCj4gPiDCoAlpZiAoIXFfdmVjdG9yKQ0K PiBAQCAtNzY1MCw2ICs3NjUxLDE0IEBAIHN0YXRpYyB2b2lkIGl4Z2JlX2F0cihzdHJ1Y3QgaXhn YmVfcmluZyAqcmluZywNCj4gwqANCj4gPiDCoAkvKiBzbmFnIG5ldHdvcmsgaGVhZGVyIHRvIGdl dCBMNCB0eXBlIGFuZCBhZGRyZXNzICovDQo+ID4gwqAJc2tiID0gZmlyc3QtPnNrYjsNCj4gPiAr CWlmIChmaXJzdC0+cHJvdG9jb2wgPT0gaHRvbnMoRVRIX1BfSVApKQ0KPiA+ICsJCW1pbl9oZHJf c2l6ZSA9IHNpemVvZihzdHJ1Y3QgaXBoZHIpICsNCj4gPiArCQkJwqDCoMKgwqDCoMKgwqBzaXpl b2Yoc3RydWN0IHRjcGhkcik7DQo+ID4gKwllbHNlIGlmIChmaXJzdC0+cHJvdG9jb2wgPT0gaHRv bnMoRVRIX1BfSVBWNikpDQo+ID4gKwkJbWluX2hkcl9zaXplID0gc2l6ZW9mKHN0cnVjdCBpcHY2 aGRyKSArDQo+ID4gKwkJCcKgwqDCoMKgwqDCoMKgc2l6ZW9mKHN0cnVjdCB0Y3BoZHIpOw0KPiA+ ICsJaWYgKG1pbl9oZHJfc2l6ZSAmJiBza2JfaGVhZGxlbihza2IpIDwgRVRIX0hMRU4gKyBtaW5f aGRyX3NpemUpDQo+ID4gKwkJcmV0dXJuOw0KPiA+IMKgCWhkci5uZXR3b3JrID0gc2tiX25ldHdv cmtfaGVhZGVyKHNrYik7DQo+ID4gwqAJaWYgKHNrYi0+ZW5jYXBzdWxhdGlvbiAmJg0KPiA+IMKg CcKgwqDCoMKgZmlyc3QtPnByb3RvY29sID09IGh0b25zKEVUSF9QX0lQKSAmJg0KDQpTbyB0aGlz IGRvZXNuJ3QgcmVhbGx5IGNvdmVyIGFsbCB0aGUgY2FzZXMgbmVjZXNzYXJ5LiDCoFRoZXJlIGVu ZCB1cA0KYmVpbmcgZXNzZW50aWFsbHkgMyBzcG90cyB3aGVyZSB3ZSBuZWVkIHRvIHBlcmZvcm0g Y2hlY2tzIHRvIHZlcmlmeSB0aGUNCmhlYWRlciBzaXplLg0KDQpUaGUgZmlyc3Qgb25lIGlzIGlu c2lkZSB0aGUgY2hlY2tzIGZvciBza2ItPmVuY2Fwc3VsYXRpb24sIEVUSF9QX0lQLA0KYW5kIElQ UFJPVE9fVURQLiDCoFdlIGNvdWxkIHByb2JhYmx5IGp1c3QgdmVyaWZ5IHRoYXQgc2tiX3RhaWxf cG9pbnRlcg0KaXMgZ3JlYXRlciB0aGFuIHNrYl90cmFuc3BvcnRfaGVhZGVyICsgKDggKyA4ICsg MTQpLCB0aGUgbWluaW11bSBzaXplDQpuZWVkZWQgdG8gc3VwcG9ydCBWeExBTi4NCg0KVGhlIHNl Y29uZCBibG9jayB3aGVyZSB3ZSBuZWVkIHRvIHBlcmZvcm0gdGhpcyBjaGVjayB3b3VsZCBiZSBh ZnRlcg0KdGhpcyBjaGVjayBvbmNlIHRoZSBuZXR3b3JrIGhlYWRlciBoYXMgYmVlbiB1cGRhdGVk LiDCoFRoZXJlIHdlIG5lZWQgdG8NCnZlcmlmeSB0aGF0IGhkci5uZXR3b3JrICsgNDAgaXMgbGVz cyB0aGFuIG9yIGVxdWFsIHRvIHNrYl90YWlsX3BvaW50ZXIuDQrCoFRoYXQgY292ZXJzIGJvdGgg SVB2NCB3LyBUQ1Agb3IgSVB2Ni4NCg0KVGhlIHRoaXJkIGNoZWNrIHRoYXQgbmVlZHMgdG8gYmUg cGVyZm9ybWVkIGlzIHRvIHZlcmlmeSB0aGF0DQpoZHIubmV0d29yayArIGhsZW4gaXMgZ3JlYXRl ciB0aGFuIG9yIGVxdWFsIHRvIHNrYl90YWlsX3BvaW50ZXIgLSAyMC4NClRoYXQgaXMgbmVlZGVk IHRvIHZlcmlmeSB3ZSBoYXZlIGVub3VnaCByb29tIGZvciB0aGUgdGNwIGhlYWRlciBkYXRhIHRv DQpiZSBwdWxsZWQuDQoNCi0gQWxleA0K