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[209.132.180.67]) by mx.google.com with ESMTP id f12si47165114plr.211.2019.08.08.05.24.14; Thu, 08 Aug 2019 05:24:30 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387737AbfHHMRD convert rfc822-to-8bit (ORCPT + 99 others); Thu, 8 Aug 2019 08:17:03 -0400 Received: from rtits2.realtek.com ([211.75.126.72]:42709 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727242AbfHHMRD (ORCPT ); Thu, 8 Aug 2019 08:17:03 -0400 Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.62 with qID x78CGwi7006268, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (RTITCASV02.realtek.com.tw[172.21.6.19]) by rtits2.realtek.com.tw (8.15.2/2.57/5.78) with ESMTPS id x78CGwi7006268 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 8 Aug 2019 20:16:58 +0800 Received: from RTITMBSVM03.realtek.com.tw ([fe80::e1fe:b2c1:57ec:f8e1]) by RTITCASV02.realtek.com.tw ([::1]) with mapi id 14.03.0468.000; Thu, 8 Aug 2019 20:16:52 +0800 From: Hayes Wang To: Maciej Fijalkowski CC: Jakub Kicinski , "netdev@vger.kernel.org" , nic_swsd , "linux-kernel@vger.kernel.org" , "linux-usb@vger.kernel.org" Subject: RE: [PATCH net-next 5/5] r8152: change rx_frag_head_sz and rx_max_agg_num dynamically Thread-Topic: [PATCH net-next 5/5] r8152: change rx_frag_head_sz and rx_max_agg_num dynamically Thread-Index: AQHVTEjAduvqUw50CkySh6Q/0oky4abuKLuAgALKe5D//6zrgIAAi5Rw Date: Thu, 8 Aug 2019 12:16:50 +0000 Message-ID: <0835B3720019904CB8F7AA43166CEEB2F18D0F3F@RTITMBSVM03.realtek.com.tw> References: <1394712342-15778-289-albertk@realtek.com> <1394712342-15778-294-albertk@realtek.com> <20190806151007.75a8dd2c@cakuba.netronome.com> <0835B3720019904CB8F7AA43166CEEB2F18D0D8E@RTITMBSVM03.realtek.com.tw> <20190808134959.00006a58@gmail.com> In-Reply-To: <20190808134959.00006a58@gmail.com> Accept-Language: zh-TW, en-US Content-Language: zh-TW X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.21.177.214] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Maciej Fijalkowski [mailto:maciejromanfijalkowski@gmail.com] > Sent: Thursday, August 08, 2019 7:50 PM [...] > > Excuse me again. > > I find the kernel supports the copybreak of Ethtool. > > However, I couldn't find a command of Ethtool to use it. > > Ummm there's set_tunable ops. Amazon's ena driver is making use of it from > what > I see. Look at ena_set_tunable() in > drivers/net/ethernet/amazon/ena/ena_ethtool.c. The kernel could support it. And I has finished it. However, when I want to test it by ethtool, I couldn't find suitable command. I couldn't find relative feature in the source code of ethtool, either. Best Regards, Hayes