From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Gao Feng" Subject: Re:Re: [PATCH net] net: Correct wrong skb_flow_limit check when enable RPS Date: Fri, 11 May 2018 14:20:39 +0800 (CST) Message-ID: <7353417.5279.1634ddbc882.Coremail.gfree.wind@vip.163.com> References: <1525940884-21067-1-git-send-email-gfree.wind@vip.163.com> Mime-Version: 1.0 Content-Type: text/plain; charset=GBK Content-Transfer-Encoding: base64 Cc: "davem@davemloft.net" , "daniel@iogearbox.net" , "jakub.kicinski@netronome.com" , "David Ahern" , "netdev@vger.kernel.org" To: "Willem de Bruijn" Return-path: Received: from m173-177.vip.163.com ([123.58.177.173]:7352 "EHLO m173-177.vip.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752001AbeEKGVI (ORCPT ); Fri, 11 May 2018 02:21:08 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: QXQgMjAxOC0wNS0xMSAxMTo1NDo1NSwgIldpbGxlbSBkZSBCcnVpam4iIDx3aWxsZW1kZWJydWlq bi5rZXJuZWxAZ21haWwuY29tPiB3cm90ZToKPk9uIFRodSwgTWF5IDEwLCAyMDE4IGF0IDQ6Mjgg QU0sICA8Z2ZyZWUud2luZEB2aXAuMTYzLmNvbT4gd3JvdGU6Cj4+IEZyb206IEdhbyBGZW5nIDxn ZnJlZS53aW5kQHZpcC4xNjMuY29tPgo+Pgo+PiBUaGUgc2tiIGZsb3cgbGltaXQgaXMgaW1wbGVt ZW50ZWQgZm9yIGVhY2ggQ1BVIGluZGVwZW5kZW50bHkuIEluIHRoZQo+PiBjdXJyZW50IGNvZGVz LCB0aGUgZnVuY3Rpb24gc2tiX2Zsb3dfbGltaXQgZ2V0cyB0aGUgc29mdG5ldF9kYXRhIGJ5Cj4+ IHRoaXNfY3B1X3B0ci4gQnV0IHRoZSB0YXJnZXQgY3B1IG9mIGVucXVldWVfdG9fYmFja2xvZyB3 b3VsZCBiZSBub3QKPj4gdGhlIGN1cnJlbnQgY3B1IHdoZW4gZW5hYmxlIFJQUy4gQXMgdGhlIHJl c3VsdCwgdGhlIHNrYl9mbG93X2xpbWl0IGNoZWNrcwo+PiB0aGUgc3RhdHMgb2YgY3VycmVudCBD UFUsIHdoaWxlIHRoZSBza2IgaXMgZ29pbmcgdG8gYXBwZW5kIHRoZSBxdWV1ZSBvZgo+PiBhbm90 aGVyIENQVS4gSXQgaXNuJ3QgdGhlIGV4cGVjdGVkIGJlaGF2aW9yLgo+Pgo+PiBOb3cgcGFzcyB0 aGUgc29mdG5ldF9kYXRhIGFzIGEgcGFyYW0gdG8gc29mdG5ldF9kYXRhIHRvIG1ha2UgY29uc2lz dGVudC4KPgo+VGhlIGxvY2FsIGNwdSBzb2Z0bmV0X2RhdGEgaXMgdXNlZCBvbiBwdXJwb3NlLiBU aGUgb3BlcmF0aW9ucyBpbgo+c2tiX2Zsb3dfbGltaXQoKSBvbiBzZCBmaWVsZHMgY291bGQgcmFj ZSBpZiBub3QgZXhlY3V0ZWQgb24gdGhlIGxvY2FsIGNwdS4KCkkgdGhpbmsgdGhlIHJhY2UgZG9l c24ndCBleGlzdCBiZWNhdXNlIG9mIHRoZSBycHNfbG9jay4KVGhlIGVucXVldWVfdG9fYmFja2xv ZyBoYXMgaG9sZCB0aGUgcnBzX2xvY2sgYmVmb3JlIHNrYl9mbG93X2xpbWl0LgoKPgo+RmxvdyBs aW1pdCB0cmllcyB0byBkZXRlY3QgbGFyZ2UgKCJlbGVwaGFudCIpIERvUyBmbG93cyB3aXRoIGEg Zml4ZWQgZm91ci10dXBsZS4KPlRoZXNlIHdvdWxkIGFsd2F5cyBoaXQgdGhlIHNhbWUgUlBTIGNw dSwgc28gdGhhdCBjcHUgYmVpbmcgYmFja2xvZ2dlZAoKVGhleSBtYXkgaGl0IHRoZSBkaWZmZXJl bnQgdGFyZ2V0IENQVSB3aGVuIGVuYWJsZSBSRlMuIEJlY2F1c2UgdGhlIGFwcCBjb3VsZCBiZSBz Y2hlZHVsZWQKdG8gYW5vdGhlciBDUFUsIHRoZW4gUkZTIHRyaWVzIHRvIGRlbGl2ZXIgdGhlIHNr YiB0byBsYXRlc3QgY29yZSB3aGljaCBoYXMgaG90IGNhY2hlLgoKPm1heSBiZSBhbiBpbmRpY2F0 aW9uIHRoYXQgc3VjaCBhIGZsb3cgaXMgYWN0aXZlLiBCdXQgdGhlIGZsb3cgd2lsbCBhbHNvIGFs d2F5cwo+YXJyaXZlIG9uIHRoZSBzYW1lIGluaXRpYWwgY3B1IGNvdXJ0ZXN5IG9mIFJTUy4gU28g c3RvcmluZyB0aGUgbG9va3VwIHRhYmxlCgpUaGUgUlNTIGNvdWxkbid0IG1ha2Ugc3VyZSB0aGUg aXJxIGlzIGhhbmRsZWQgYnkgc2FtZSBjcHUuIEl0IHdvdWxkIGJlIGJhbGFuY2VkIGJldHdlZW4K dGhlIGNwdXMuCgo+b24gdGhlIGluaXRpYWwgQ1BVIGlzIGFsc28gZmluZS4gVGhlcmUgbWF5IGJl IGZhbHNlIHBvc2l0aXZlcyBvbiBvdGhlciBDUFVzCj53aXRoIHRoZSBzYW1lIFJQUyBkZXN0aW5h dGlvbiwgYnV0IHRoYXQgaXMgdW5saWtlbHkgd2l0aCBhIGhpZ2hseSBjb25jdXJyZW50Cj50cmFm ZmljIHNlcnZlciBtaXggKCJtaWNlIikuCgpJZiBteSBjb21tZW50IGlzIHJpZ2h0LCB0aGUgZmxv dyBjb3VsZG4ndCBhbHdheXMgYXJyaXZlIG9uZSB0aGUgc2FtZSBpbml0aWFsIGNwdSwgIGFsdGhv dWdoCml0IG1heSBiZSBzZW50IHRvIG9uZSBzYW1lIHRhcmdldCBjcHUuCgo+Cj5Ob3RlIHRoYXQg dGhlIHN5c2N0bCBuZXQuY29yZS5mbG93X2xpbWl0X2NwdV9iaXRtYXAgZW5hYmxlcyB0aGUgZmVh dHVyZQo+Zm9yIHRoZSBjcHVzIG9uIHdoaWNoIHRyYWZmaWMgaW5pdGlhbGx5IGxhbmRzLCBub3Qg dGhlIFJQUyBkZXN0aW5hdGlvbiBjcHVzLgo+U2VlIGFsc28gRG9jdW1lbnRhdGlvbi9uZXR3b3Jr aW5nL3NjYWxpbmcudHh0Cj4KPlRoYXQgc2FpZCwgSSBoYWQgdG8gcmVyZWFkIHRoZSBjb2RlLCBh cyBpdCBkb2VzIHNlZW0gc2Vuc2libGUgdGhhdCB0aGUKPnNhbWUgc29mdG5ldF9kYXRhIGlzIGlu dGVuZGVkIHRvIGJlIHVzZWQgYm90aCB3aGVuIHRlc3RpbmcgcWxlbiBhbmQKPmZsb3dfbGltaXQu CgpJbiBtb3N0IGNhc2VzLCB1c2VyIGNvbmZpZ3VyZXMgdGhlIHNhbWUgUlBTIG1hcCB3aXRoIGZs b3dfbGltaXQgbGlrZSAweGZmLgpCZWNhdXNlIHVzZXIgY291bGRuJ3QgcHJlZGljdCB3aGljaCBj b3JlIHRoZSBldmlsIGZsb3cgd291bGQgYXJyaXZlIG9uLgoKVGFrZSBhbiBleGFtcGxlLCB0aGVy ZSBhcmUgMiBjb3JlcywgY3B1MCBhbmQgY3B1MS4gCk9uZSBmbG93IGlzIHRoZSBhbiBldmlsIGZs b3csIGJ1dCB0aGUgaXJxIGlzIHNlbnQgdG8gY3B1MC4gQWZ0ZXIgUlBTL1JGUywgdGhlIHRhcmdl dCBjcHUgaXMgY3B1MS4KTm93IGNwdTAgaW52b2tlcyBlbnF1ZXVlX3RvX2JhY2tsb2csIHRoZW4g dGhlIHNrYl9mbG93X2xpbWl0IGNoZWNrZXMgdGhlIHF1ZXVlIGxlbmd0aApvZiBjcHUwLiBDZXJ0 YWlubHkgaXQgY291bGQgcGFzcyB0aGUgY2hlY2sgb2Ygc2tiX2Zsb3dfbGltaXQgYmVjYXVzZSB0 aGVyZSBpcyBubyBhbnkgZXZpbCBmbG93IG9uIGNwdTAuClRoZW4gdGhlIGNwdTAgaW5zZXJ0cyB0 aGUgc2tiIGludG8gdGhlIHF1ZXVlIG9mIGNwdTEuCkFzIGEgcmVzdWx0LCB0aGUgc2tiX2Zsb3df bGltaXQgZG9lc24ndCB3b3JrIGFzIGV4cGVjdGVkLgoKQlRXLCBJIGhhdmUgYWxyZWFkeSBzZW50 IHRoZSB2MiBwYXRjaCB3aGljaCBvbmx5IGFkZHMgdGhlICJGaXhlczogdGFnIi4KCkJlc3QgUmVn YXJkcwpGZW5nCgoK