On Wed, Oct 26, 2022 at 11:53:00AM +0200, Eugenio Pérez wrote: > The net config space is already copied from the device so it can me modified > by qemu. In particular, this is already done to fix cases where the NIC does > not expose the right fields. > > It's trivial to emulate _F_STATE with qemu if not supported by the device, > sice a valid approach is to always show the link as up. If the feature is > already supported by the device, no config space modification is needed. > > This is a pre requisite to use other features like _F_GUEST_ANNOUNCE, since > _F_STATUS is needed for the guest to access the status. > > These patches are sent on top of [1] series, so trivial conflicts could arise > if it is applied directly on master. Future versions can be not based on > it is more convenient.
Jason seems to be taking all this work through net tree. Reviewed-by: Michael S. Tsirkin <m...@redhat.com> > Eugenio Pérez (3): > virtio_net: Modify virtio_net_get_config to early return > virtio_net: Handle _F_STATUS emulation in virtio_net_get_config > vdpa: Expose VIRTIO_NET_F_STATUS unconditionally > > include/net/vhost-vdpa.h | 1 + > hw/net/vhost_net.c | 16 ++++++++++++++-- > hw/net/virtio-net.c | 39 ++++++++++++++++++++++++--------------- > net/vhost-vdpa.c | 3 +++ > 4 files changed, 42 insertions(+), 17 deletions(-) > > -- > 2.31.1 >
