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Tsirkin" , Jason Wang Subject: [PATCH] virtio-net: Advertise UDP tunnel GSO support by default Date: Fri, 10 Oct 2025 16:12:57 +0200 Message-ID: <9c500fbcd2cf29afd1826b1ac906f9d5beac3601.1760104079.git.pabeni@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 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+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=pabeni@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.441, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1760105670992158500 Content-Type: text/plain; charset="utf-8" Allow bidirection aggregated traffic for UDP encapsulated flows. Add the needed compatibility entries to avoid migration issues vs older QEMU instances. Signed-off-by: Paolo Abeni Acked-by: Jason Wang Tested-by: Lei Yang --- hw/core/machine.c | 4 ++++ hw/net/virtio-net.c | 8 ++++---- 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/hw/core/machine.c b/hw/core/machine.c index 681adbb7ac..0cd44a95b6 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -40,6 +40,10 @@ =20 GlobalProperty hw_compat_10_1[] =3D { { TYPE_ACPI_GED, "x-has-hest-addr", "false" }, + { TYPE_VIRTIO_NET, "host_tunnel", "off"}, + { TYPE_VIRTIO_NET, "host_tunnel_csum", "off"}, + { TYPE_VIRTIO_NET, "guest_tunnel", "off"}, + { TYPE_VIRTIO_NET, "guest_tunnel_csum", "off"}, }; const size_t hw_compat_10_1_len =3D G_N_ELEMENTS(hw_compat_10_1); =20 diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 33116712eb..d8f5c5b81d 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -4300,19 +4300,19 @@ static const Property virtio_net_properties[] =3D { VIRTIO_DEFINE_PROP_FEATURE("host_tunnel", VirtIONet, host_features_ex, VIRTIO_NET_F_HOST_UDP_TUNNEL_GSO, - false), + true), VIRTIO_DEFINE_PROP_FEATURE("host_tunnel_csum", VirtIONet, host_features_ex, VIRTIO_NET_F_HOST_UDP_TUNNEL_GSO_CSUM, - false), + true), VIRTIO_DEFINE_PROP_FEATURE("guest_tunnel", VirtIONet, host_features_ex, VIRTIO_NET_F_GUEST_UDP_TUNNEL_GSO, - false), + true), VIRTIO_DEFINE_PROP_FEATURE("guest_tunnel_csum", VirtIONet, host_features_ex, VIRTIO_NET_F_GUEST_UDP_TUNNEL_GSO_CSUM, - false), + true), }; =20 static void virtio_net_class_init(ObjectClass *klass, const void *data) --=20 2.51.0