From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f170.google.com (mail-io0-f170.google.com [209.85.223.170]) by dpdk.org (Postfix) with ESMTP id CD77B388F for ; Mon, 22 Aug 2016 15:12:56 +0200 (CEST) Received: by mail-io0-f170.google.com with SMTP id 38so109138856iol.0 for ; Mon, 22 Aug 2016 06:12:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=gIoPa/eMjPijMAHwhMbQ2wE9hmdNmMTEfY84EEYCnX4=; b=B+mhfGFeN8aTxfv6w+f+8WuJujTFS4I2TCZXnFSV9nHUalMM7qYV9qDPKZx3C7bh3C fJ2DkZMkgcukwvWtRQmHyTv+p3TdvrMYaWyjDcl9pyxUvnWZT7nP2oXkK7Qa30XPGvEm 6LEo95LlFvnU1QaE19Ao/ZH2ci+b0qWlaAJwPnDSoqFmZlQvXC4I+UWAdzMgStKOWkOh ZE0F9RtjbNeIPtZZIqZGU7QZW/KMdh9vGCTPWYY5/2Sut7Jb47wdl7obvJVS3CaPgOT9 C4D7YXSsk2z39QmAgcUtRiuZs+vJRHwja5Kw03CayEp1ev9VU1TzsxWy4/Rv7jcpqtFL oWPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=gIoPa/eMjPijMAHwhMbQ2wE9hmdNmMTEfY84EEYCnX4=; b=ZU3W+k1HA/pXJC/jTCSbGBnxzeGVs1J800UQuxWDtBKYZ8hRfqD67rPThjPChOzOIr uscWOO5Spmztiy8YNghbQB/cKHlDW3IkCyiNQECw5E07EBH/I3V24dOQcCVnuhLryYv4 UG42XtcrRTj8oeztlAZ9KmTPQ2C9lJrWJXrpvEyTuIpetF77te35RerZNj7FByeM1jwz eFXOSNAvycXRpKzuFYSqxvuTGhNjspKQgHYGIFFwG4rsoCbV+MjnXtBHJuz83vWvk5FB 0wvYFAB1pOe8Ewk7ru2Xd7yDRTcBDE9Qt6VYVIDlgZ62Rq+Jtuxe196jls/tCYWDzq8E 9+jQ== X-Gm-Message-State: AEkoouuiuHnSG/SB0aLpfNgba2GBYSPi45MgXGe9CJZhZYNMTZdNgC3l+vjaMoMB5JysKmC+71Q0i37ox0nH+g== X-Received: by 10.107.14.74 with SMTP id 71mr23404309ioo.93.1471871576283; Mon, 22 Aug 2016 06:12:56 -0700 (PDT) MIME-Version: 1.0 Received: by 10.36.239.197 with HTTP; Mon, 22 Aug 2016 06:12:55 -0700 (PDT) In-Reply-To: References: From: Victor Detoni Date: Mon, 22 Aug 2016 10:12:55 -0300 Message-ID: To: Stephen Hemminger Cc: users@dpdk.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-users] Set mtu value X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Aug 2016 13:12:57 -0000 Stephen, thank you for your answer. When you say "stop the device, configure new settings, and start", you mean use these functions rte_eth_dev_stop and rte_eth_dev_start? On Mon, Aug 22, 2016 at 2:27 AM, Stephen Hemminger < stephen@networkplumber.org> wrote: > only some device drivers support changing MTU via the change API. > For the rest the application has to stop the device, configure new > settings, and start. >