From nobody Mon Feb 9 16:34:38 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=oracle.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1546900344288926.7001088307106; Mon, 7 Jan 2019 14:32:24 -0800 (PST) Received: from localhost ([127.0.0.1]:50980 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ggdRU-0006C2-SO for importer@patchew.org; Mon, 07 Jan 2019 17:32:20 -0500 Received: from eggs.gnu.org ([209.51.188.92]:39210) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ggdPK-0004jB-6H for qemu-devel@nongnu.org; Mon, 07 Jan 2019 17:30:06 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ggdPJ-00044I-Fj for qemu-devel@nongnu.org; Mon, 07 Jan 2019 17:30:06 -0500 Received: from userp2130.oracle.com ([156.151.31.86]:43666) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ggdPJ-00043i-8S for qemu-devel@nongnu.org; Mon, 07 Jan 2019 17:30:05 -0500 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.22/8.16.0.22) with SMTP id x07MJJpj113531; Mon, 7 Jan 2019 22:30:02 GMT Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp2130.oracle.com with ESMTP id 2ptm0u0exg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 07 Jan 2019 22:30:02 +0000 Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id x07MU0Ek015019 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 7 Jan 2019 22:30:01 GMT Received: from abhmp0013.oracle.com (abhmp0013.oracle.com [141.146.116.19]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x07MU0mW018553; Mon, 7 Jan 2019 22:30:00 GMT Received: from ban25x6uut28.us.oracle.com (/10.153.73.28) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 07 Jan 2019 14:30:00 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=corp-2018-07-02; bh=9yNkGO3ScnTJ9C7Z3b4BimoHgvKXa+MGstp/F/AQpvM=; b=WKSSOqF8kb0aHDt6rE5gaEGHeWgb+Ur7nIDevMS6nIR76i+tfPeGTD5eR/VCYY7fJxoH pSmmuWHK/lwpgiGfbttyAfz0gjqW8g+6/iwh3797ohUK8XiuZ7H+gSssoGwfyIlmkZVo 237ruR/wj1wo8XvZ9TYHHyVX75woJhZyArdf9Za88/hNGKIuwYYhQDXswgMmRH8NAYOc B/atVSQv3/9kBTo+tNBgSqBm2Sipo61eWpksHM27e+qNvkiSVZtyXTA1lbN7O/p9yGEa h3BmUM7YYCHg7jfV3GP1KffVMvSewzH9J6rohfBh+ggtWSS5ilPHrUEPzeZsY0oCoZHM +g== From: Venu Busireddy To: venu.busireddy@oracle.com, "Michael S. Tsirkin" , Marcel Apfelbaum Date: Mon, 7 Jan 2019 17:29:40 -0500 Message-Id: <1546900184-27403-2-git-send-email-venu.busireddy@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1546900184-27403-1-git-send-email-venu.busireddy@oracle.com> References: <1546900184-27403-1-git-send-email-venu.busireddy@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9129 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1901070183 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 156.151.31.86 Subject: [Qemu-devel] [PATCH v3 1/5] virtio_net: Add VIRTIO_NET_F_STANDBY feature bit. X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sridhar Samudrala , qemu-devel@nongnu.org, virtio-dev@lists.oasis-open.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Sridhar Samudrala This feature bit can be used by a hypervisor to indicate to the virtio_net device that it can act as a standby for another device with the same MAC address. Signed-off-by: Sridhar Samudrala Signed-off-by: Venu Busireddy --- hw/net/virtio-net.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 385b1a0..411f8fb 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -2198,6 +2198,8 @@ static Property virtio_net_properties[] =3D { true), DEFINE_PROP_INT32("speed", VirtIONet, net_conf.speed, SPEED_UNKNOWN), DEFINE_PROP_STRING("duplex", VirtIONet, net_conf.duplex_str), + DEFINE_PROP_BIT64("standby", VirtIONet, host_features, VIRTIO_NET_F_ST= ANDBY, + false), DEFINE_PROP_END_OF_LIST(), }; =20