From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 111C2FD4F19 for ; Tue, 10 Mar 2026 19:17:45 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 9E0F2406FF; Tue, 10 Mar 2026 20:17:17 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mails.dpdk.org (Postfix) with ESMTP id DBE7240E34 for ; Tue, 10 Mar 2026 20:17:15 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1773170235; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=07dOCpVM2ah8ECixJONDsQjlawNkTVNqIprcTlkvnmU=; b=Z0SMYGyQtKc0D1Spt+kXCyjNKLvvYAD5/3Z2nJRPfVpd27makAkrkFKDxqVQZeX6uaGHQw 4b0wx9SrOaRte4MtQpZpErCv4gYkenV2hc8UpQKRwhrJQn39xmzAuM1KBB9MVdNOzOviox hjPzm0d3ogjw1ukQpizgL4vUmIVm5Cs= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-138-5CODTPC7OhuR1ydOANFSew-1; Tue, 10 Mar 2026 15:17:13 -0400 X-MC-Unique: 5CODTPC7OhuR1ydOANFSew-1 X-Mimecast-MFC-AGG-ID: 5CODTPC7OhuR1ydOANFSew_1773170233 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id E612819560A3; Tue, 10 Mar 2026 19:17:12 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.44.32.202]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 85C7C1954111; Tue, 10 Mar 2026 19:17:10 +0000 (UTC) From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: Maxime Coquelin Cc: david.marchand@redhat.com, mst@redhat.com, chenbox@nvidia.com, Yongji Xie , jasowang@redhat.com, dev@dpdk.org Subject: [RFC v2 07/10] vhost: add net status feature to VDUSE Date: Tue, 10 Mar 2026 20:16:42 +0100 Message-ID: <20260310191645.1104892-8-eperezma@redhat.com> In-Reply-To: <20260310191645.1104892-1-eperezma@redhat.com> References: <20260310191645.1104892-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: pQsawmAvuOKfsMc0snk1TU6JXw-MkluhOJIgUn0Kq4s_1773170233 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Maxime Coquelin Enable the VIRTIO_NET_F_STATUS feature for VDUSE devices. This allows the device to report link status (e.g., VIRTIO_NET_S_LINK_UP). It also allows the device to signal the driver that it needs to send gratuitous ARP with VIRTIO_NET_S_ANNOUNCE. Signed-off-by: Maxime Coquelin Signed-off-by: Eugenio Pérez --- v2: * Move the start and last declarations in the braces as gcc 8 does not like them interleaved with statements. Actually, I think the move was a mistake in the first version. https://mails.dpdk.org/archives/test-report/2026-February/958175.html --- lib/vhost/vduse.c | 1 + lib/vhost/vduse.h | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/vhost/vduse.c b/lib/vhost/vduse.c index 80020d3d5413..54fe6cf35bc6 100644 --- a/lib/vhost/vduse.c +++ b/lib/vhost/vduse.c @@ -801,6 +801,7 @@ vduse_device_create(const char *path, bool compliant_ol_flags, bool extbuf, bool goto out_ctrl_close; } + vnet_config.status = VIRTIO_NET_S_LINK_UP; vnet_config.max_virtqueue_pairs = max_queue_pairs; memset(dev_config, 0, sizeof(struct vduse_dev_config)); diff --git a/lib/vhost/vduse.h b/lib/vhost/vduse.h index b2515bb9df76..d697f85be5cc 100644 --- a/lib/vhost/vduse.h +++ b/lib/vhost/vduse.h @@ -7,7 +7,8 @@ #include "vhost.h" -#define VDUSE_NET_SUPPORTED_FEATURES VIRTIO_NET_SUPPORTED_FEATURES +#define VDUSE_NET_SUPPORTED_FEATURES (VIRTIO_NET_SUPPORTED_FEATURES | \ + (1ULL << VIRTIO_NET_F_STATUS)) int vduse_device_create(const char *path, bool compliant_ol_flags, bool extbuf, bool linearbuf); int vduse_device_destroy(const char *path); -- 2.53.0