From nobody Fri Jul 4 07:29:31 2025 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1660837705944238.79583785861132; Thu, 18 Aug 2022 08:48:25 -0700 (PDT) Received: from localhost ([::1]:36378 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oOhkt-0001Gy-GC for importer2@patchew.org; Thu, 18 Aug 2022 11:48:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60962) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oOhKb-0001u1-3G for qemu-devel@nongnu.org; Thu, 18 Aug 2022 11:21:13 -0400 Received: from smtp236.sjtu.edu.cn ([202.120.2.236]:35570) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oOhKZ-0000PO-32 for qemu-devel@nongnu.org; Thu, 18 Aug 2022 11:21:12 -0400 Received: from proxy02.sjtu.edu.cn (smtp188.sjtu.edu.cn [202.120.2.188]) by smtp236.sjtu.edu.cn (Postfix) with ESMTPS id 379FB1008B392; Thu, 18 Aug 2022 23:13:10 +0800 (CST) Received: from localhost (localhost.localdomain [127.0.0.1]) by proxy02.sjtu.edu.cn (Postfix) with ESMTP id 7874C2391A025; Thu, 18 Aug 2022 23:13:10 +0800 (CST) Received: from proxy02.sjtu.edu.cn ([127.0.0.1]) by localhost (proxy02.sjtu.edu.cn [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id U7xg1c3srkZN; Thu, 18 Aug 2022 23:13:10 +0800 (CST) Received: from localhost.localdomain (unknown [202.120.40.82]) (Authenticated sender: qtxuning1999@sjtu.edu.cn) by proxy02.sjtu.edu.cn (Postfix) with ESMTPSA id CD8B32391A010; Thu, 18 Aug 2022 23:13:00 +0800 (CST) X-Virus-Scanned: amavisd-new at From: Guo Zhi To: eperezma@redhat.com, jasowang@redhat.com, sgarzare@redhat.com, mst@redhat.com Cc: qemu-devel@nongnu.org, Guo Zhi Subject: [RFC 2/2] virtio: enable f_in_order feature for virtio-net Date: Thu, 18 Aug 2022 23:12:44 +0800 Message-Id: <20220818151244.2050-3-qtxuning1999@sjtu.edu.cn> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220818151244.2050-1-qtxuning1999@sjtu.edu.cn> References: <20220818151244.2050-1-qtxuning1999@sjtu.edu.cn> Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=202.120.2.236; envelope-from=qtxuning1999@sjtu.edu.cn; helo=smtp236.sjtu.edu.cn X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_SORBS_WEB=1.5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1660837707502100001 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" In order feature is not a transparent feature in QEMU, only specific devices(eg, virtio-net) support it. Signed-off-by: Guo Zhi --- hw/net/virtio-net.c | 1 + include/hw/virtio/virtio.h | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index c8e83921..cf0b23d8 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -719,6 +719,7 @@ static uint64_t virtio_net_get_features(VirtIODevice *v= dev, uint64_t features, features |=3D n->host_features; =20 virtio_add_feature(&features, VIRTIO_NET_F_MAC); + virtio_add_feature(&features, VIRTIO_F_IN_ORDER); =20 if (!peer_has_vnet_hdr(n)) { virtio_clear_feature(&features, VIRTIO_NET_F_CSUM); diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index db1c0ddf..578f22c8 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -291,7 +291,9 @@ typedef struct VirtIORNGConf VirtIORNGConf; DEFINE_PROP_BIT64("iommu_platform", _state, _field, \ VIRTIO_F_IOMMU_PLATFORM, false), \ DEFINE_PROP_BIT64("packed", _state, _field, \ - VIRTIO_F_RING_PACKED, false) + VIRTIO_F_RING_PACKED, false), \ + DEFINE_PROP_BIT64("in_order", _state, _field, \ + VIRTIO_F_IN_ORDER, false) =20 hwaddr virtio_queue_get_desc_addr(VirtIODevice *vdev, int n); bool virtio_queue_enabled_legacy(VirtIODevice *vdev, int n); --=20 2.17.1