From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Patil, Harish" Subject: Re: [PATCH] net/bnx2x: reserve enough headroom for mbuf prepend Date: Mon, 23 Apr 2018 17:10:24 +0000 Message-ID: References: <6fd6d52e-a756-45ad-9666-60fa7ca676cd@zyc-PC.local> <4a1a34a8-87a9-5776-dfeb-1be4fe59eb12@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: "dev@dpdk.org" , "Mody, Rasesh" To: zhouyangchao , Ferruh Yigit Return-path: Received: from NAM03-BY2-obe.outbound.protection.outlook.com (mail-by2nam03on0078.outbound.protection.outlook.com [104.47.42.78]) by dpdk.org (Postfix) with ESMTP id 93A5A2951 for ; Mon, 23 Apr 2018 19:10:27 +0200 (CEST) In-Reply-To: Content-Language: en-US List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" RnJvbTogemhvdXlhbmdjaGFvIDx6aG91eWF0ZXNAZ21haWwuY29tPG1haWx0bzp6aG91eWF0ZXNA Z21haWwuY29tPj4NCkRhdGU6IFdlZG5lc2RheSwgTWFyY2ggNywgMjAxOCBhdCAxMDo1NyBQTQ0K VG86IEZlcnJ1aCBZaWdpdCA8ZmVycnVoLnlpZ2l0QGludGVsLmNvbTxtYWlsdG86ZmVycnVoLnlp Z2l0QGludGVsLmNvbT4+DQpDYzogImRldkBkcGRrLm9yZzxtYWlsdG86ZGV2QGRwZGsub3JnPiIg PGRldkBkcGRrLm9yZzxtYWlsdG86ZGV2QGRwZGsub3JnPj4sIEhhcmlzaCBQYXRpbCA8SGFyaXNo LlBhdGlsQGNhdml1bS5jb208bWFpbHRvOkhhcmlzaC5QYXRpbEBjYXZpdW0uY29tPj4sICJNb2R5 LCBSYXNlc2giIDxSYXNlc2guTW9keUBjYXZpdW0uY29tPG1haWx0bzpSYXNlc2guTW9keUBjYXZp dW0uY29tPj4NClN1YmplY3Q6IFJlOiBbZHBkay1kZXZdIFtQQVRDSF0gbmV0L2JueDJ4OiByZXNl cnZlIGVub3VnaCBoZWFkcm9vbSBmb3IgbWJ1ZiBwcmVwZW5kDQoNCldoZW4gYWxsb2NhdGluZyBh IG5ldyBtYnVmIGZvciBSeCwgdGhlIHZhbHVlIG9mIG0tPmRhdGFfb2ZmIHNob3VsZCBiZQ0KcmVz ZXQgdG8gaXRzIGRlZmF1bHQgdmFsdWUgKFJURV9QS1RNQlVGX0hFQURST09NKSwgaW5zdGVhZCBv ZiByZXVzaW5nDQp0aGUgcHJldmlvdXMgdW5kZWZpbmVkIHZhbHVlLCB3aGljaCBjb3VsZCBjYXVz ZSB0aGUgcGFja2V0IHRvIGhhdmUgYSB0b28NCnNtYWxsIG9yIHRvbyBoaWdoIGhlYWRyb29tLg0K DQpPbiBNb24sIE1hciA1LCAyMDE4IGF0IDExOjI4IFBNIEZlcnJ1aCBZaWdpdCA8ZmVycnVoLnlp Z2l0QGludGVsLmNvbTxtYWlsdG86ZmVycnVoLnlpZ2l0QGludGVsLmNvbT4+IHdyb3RlOg0KT24g Mi82LzIwMTggMTE6MjEgQU0sIHpob3V5YW5nY2hhbyB3cm90ZToNCg0KQ2FuIHlvdSBwbGVhc2Ug cHJvdmlkZSBtb3JlIGluZm9ybWF0aW9uIHdoeSB0aGlzIHBhdGNoIGlzIG5lZWRlZD8NCg0KPiBT aWduZWQtb2ZmLWJ5OiBZYW5nY2hhbyBaaG91IDx6aG91eWF0ZXNAZ21haWwuY29tPG1haWx0bzp6 aG91eWF0ZXNAZ21haWwuY29tPj4NCj4gLS0tDQo+ICBkcml2ZXJzL25ldC9ibngyeC9ibngyeF9y eHR4LmMgfCA4ICsrKysrLS0tDQo+ICAxIGZpbGUgY2hhbmdlZCwgNSBpbnNlcnRpb25zKCspLCAz IGRlbGV0aW9ucygtKQ0KPg0KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9uZXQvYm54MngvYm54Mnhf cnh0eC5jIGIvZHJpdmVycy9uZXQvYm54MngvYm54Mnhfcnh0eC5jDQo+IGluZGV4IGEwZDRhYzku LmQ4YTMyMjUgMTAwNjQ0DQo+IC0tLSBhL2RyaXZlcnMvbmV0L2JueDJ4L2JueDJ4X3J4dHguYw0K PiArKysgYi9kcml2ZXJzL25ldC9ibngyeC9ibngyeF9yeHR4LmMNCj4gQEAgLTE0MCw3ICsxNDAs OCBAQCBibngyeF9kZXZfcnhfcXVldWVfc2V0dXAoc3RydWN0IHJ0ZV9ldGhfZGV2ICpkZXYsDQo+ ICAgICAgICAgICAgICAgICAgICAgICByZXR1cm4gLUVOT01FTTsNCj4gICAgICAgICAgICAgICB9 DQo+ICAgICAgICAgICAgICAgcnhxLT5zd19yaW5nW2lkeF0gPSBtYnVmOw0KPiAtICAgICAgICAg ICAgIHJ4cS0+cnhfcmluZ1tpZHhdID0gbWJ1Zi0+YnVmX2lvdmE7DQo+ICsgICAgICAgICAgICAg cnhxLT5yeF9yaW5nW2lkeF0gPQ0KPiArICAgICAgICAgICAgICAgICAgICAgcnRlX2NwdV90b19s ZV82NChydGVfbWJ1Zl9kYXRhX2lvdmFfZGVmYXVsdChtYnVmKSk7DQo+ICAgICAgIH0NCj4gICAg ICAgcnhxLT5wa3RfZmlyc3Rfc2VnID0gTlVMTDsNCj4gICAgICAgcnhxLT5wa3RfbGFzdF9zZWcg PSBOVUxMOw0KPiBAQCAtNDAwLDcgKzQwMSw4IEBAIGJueDJ4X3JlY3ZfcGt0cyh2b2lkICpwX3J4 cSwgc3RydWN0IHJ0ZV9tYnVmICoqcnhfcGt0cywgdWludDE2X3QgbmJfcGt0cykNCj4NCj4gICAg ICAgICAgICAgICByeF9tYiA9IHJ4cS0+c3dfcmluZ1tiZF9jb25zXTsNCj4gICAgICAgICAgICAg ICByeHEtPnN3X3JpbmdbYmRfY29uc10gPSBuZXdfbWI7DQo+IC0gICAgICAgICAgICAgcnhxLT5y eF9yaW5nW2JkX3Byb2RdID0gbmV3X21iLT5idWZfaW92YTsNCj4gKyAgICAgICAgICAgICByeHEt PnJ4X3JpbmdbYmRfcHJvZF0gPQ0KPiArICAgICAgICAgICAgICAgICAgICAgcnRlX2NwdV90b19s ZV82NChydGVfbWJ1Zl9kYXRhX2lvdmFfZGVmYXVsdChuZXdfbWIpKTsNCj4NCj4gICAgICAgICAg ICAgICByeF9wcmVmID0gTkVYVF9SWF9CRChiZF9jb25zKSAmIE1BWF9SWF9CRChyeHEpOw0KPiAg ICAgICAgICAgICAgIHJ0ZV9wcmVmZXRjaDAocnhxLT5zd19yaW5nW3J4X3ByZWZdKTsNCj4gQEAg LTQwOSw3ICs0MTEsNyBAQCBibngyeF9yZWN2X3BrdHModm9pZCAqcF9yeHEsIHN0cnVjdCBydGVf bWJ1ZiAqKnJ4X3BrdHMsIHVpbnQxNl90IG5iX3BrdHMpDQo+ICAgICAgICAgICAgICAgICAgICAg ICBydGVfcHJlZmV0Y2gwKCZyeHEtPnN3X3JpbmdbcnhfcHJlZl0pOw0KPiAgICAgICAgICAgICAg IH0NCj4NCj4gLSAgICAgICAgICAgICByeF9tYi0+ZGF0YV9vZmYgPSBwYWQ7DQo+ICsgICAgICAg ICAgICAgcnhfbWItPmRhdGFfb2ZmID0gcGFkICsgUlRFX1BLVE1CVUZfSEVBRFJPT007DQo+ICAg ICAgICAgICAgICAgcnhfbWItPm5iX3NlZ3MgPSAxOw0KPiAgICAgICAgICAgICAgIHJ4X21iLT5u ZXh0ID0gTlVMTDsNCj4gICAgICAgICAgICAgICByeF9tYi0+cGt0X2xlbiA9IHJ4X21iLT5kYXRh X2xlbiA9IGxlbjsNCj4NCg0KDQpBY2tlZC1ieTogSGFyaXNoIFBhdGlsIDxoYXJpc2gucGF0aWxA Y2F2aXVtLmNvbTxtYWlsdG86aGFyaXNoLnBhdGlsQGNhdml1bS5jb20+Pg0K