From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <arybchenko@solarflare.com> Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [148.163.129.52]) by dpdk.org (Postfix) with ESMTP id 8AD781B452 for <dev@dpdk.org>; Wed, 10 Oct 2018 09:51:51 +0200 (CEST) X-Virus-Scanned: Proofpoint Essentials engine Received: from webmail.solarflare.com (webmail.solarflare.com [12.187.104.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mx1-us4.ppe-hosted.com (Proofpoint Essentials ESMTP Server) with ESMTPS id 65DBA8005E; Wed, 10 Oct 2018 07:51:50 +0000 (UTC) Received: from ocex03.SolarFlarecom.com (10.20.40.36) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 10 Oct 2018 00:51:47 -0700 Received: from opal.uk.solarflarecom.com (10.17.10.1) by ocex03.SolarFlarecom.com (10.20.40.36) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Wed, 10 Oct 2018 00:51:47 -0700 Received: from ukv-loginhost.uk.solarflarecom.com (ukv-loginhost.uk.solarflarecom.com [10.17.10.39]) by opal.uk.solarflarecom.com (8.13.8/8.13.8) with ESMTP id w9A7pjnE025405; Wed, 10 Oct 2018 08:51:45 +0100 Received: from ukv-loginhost.uk.solarflarecom.com (localhost [127.0.0.1]) by ukv-loginhost.uk.solarflarecom.com (Postfix) with ESMTP id 8F3F11626D2; Wed, 10 Oct 2018 08:51:45 +0100 (BST) From: Andrew Rybchenko <arybchenko@solarflare.com> To: <dev@dpdk.org> CC: Thomas Monjalon <thomas@monjalon.net>, <ferruh.yigit@intel.com> Date: Wed, 10 Oct 2018 08:51:38 +0100 Message-ID: <1539157900-6208-2-git-send-email-arybchenko@solarflare.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1539157900-6208-1-git-send-email-arybchenko@solarflare.com> References: <1539157900-6208-1-git-send-email-arybchenko@solarflare.com> MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-Product-Ver: SMEX-12.5.0.1300-8.5.1010-24146.005 X-TM-AS-Result: No-0.500500-4.000000-10 X-TMASE-MatchedRID: IJfQKf6xjE7XldNKzKPlvTPDkSOzeDWW3g3xD6V0LtT7SBmDTxVcWk/O fkh/+AL4hUHepIxgktgTzo/7p2GUyF7FwpET+YHongIgpj8eDcAZ1CdBJOsoY9mzcdRxL+xwKra uXd3MZDUoWeJacQYjEf/WdjrOm7qEUGjF6bp/KKMgnoTiC/yJzwo/X31uF/dnEGRgub5jLjjQZa aNgpuQy1TylDZozaXsAzUZfRS5VJdGkBjbMbD9rzigZBQJvBjlD6DuZ3COjrnoW0NkKZgEnW3Lg NyHejuiQwymtxuJ6y0= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--0.500500-4.000000 X-TMASE-Version: SMEX-12.5.0.1300-8.5.1010-24146.005 X-MDID: 1539157911-sZJwr4e5TtfW Subject: [dpdk-dev] [RFC PATCH 1/3] ethdev: advertise MTU as retained across device stop/start X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Wed, 10 Oct 2018 07:51:51 -0000 Changing MTU in running state may return -EBUSY saying that MTU cannot be changed when the port is running. It assumes that changes may be done in stopped and started (but some PMDs may reject it) state and it is logical to require that changes done in any of these states are retained. Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com> --- lib/librte_ethdev/rte_ethdev.h | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h index 8dd1799e2..efe223b61 100644 --- a/lib/librte_ethdev/rte_ethdev.h +++ b/lib/librte_ethdev/rte_ethdev.h @@ -80,6 +80,7 @@ * rte_eth_dev_stop()/rte_eth_dev_start(). The following configuration will * be retained: * + * - MTU * - flow control settings * - receive mode configuration (promiscuous mode, hardware checksum mode, * RSS/VMDQ settings etc.) -- 2.17.1