Some features are not always available, and virtio-net used to disable
them when not available even if the corresponding properties were
explicitly set to "on".

Convert feature properties to OnOffAuto so that the user can explicitly
tell QEMU to automatically select the value by setting them "auto".
QEMU will give an error if they are set "on".

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
Changes in v3:
- Added patch "qdev-properties: Accept bool for OnOffAuto".
  (Michael S. Tsirkin and Daniel P. Berrangé)
- Changed to report errors with ebpf-rss-fds (Daniel P. Berrangé)
- Link to v2: https://lore.kernel.org/r/20240708-auto-v2-0-f4908b953f05@daynix.com

Changes in v2:
- Added patch "virtio-net: Remove fallback from ebpf-rss-fds".
- Added a compatibility property.
- Corrected property type name.
- Link to v1: https://lore.kernel.org/r/20240428-auto-v1-0-7b012216a120@daynix.com

---
Akihiko Odaki (5):
      qdev-properties: Accept bool for OnOffAuto
      qdev-properties: Add DEFINE_PROP_ON_OFF_AUTO_BIT64()
      virtio-net: Convert feature properties to OnOffAuto
      virtio-net: Report RSS warning at device realization
      virtio-net: Remove fallback from ebpf-rss-fds

 include/hw/qdev-properties.h   |  18 +++
 include/hw/virtio/virtio-net.h |   3 +-
 hw/core/machine.c              |   1 +
 hw/core/qdev-properties.c      |  83 +++++++++++-
 hw/net/virtio-net.c            | 290 ++++++++++++++++++++++++-----------------
 5 files changed, 274 insertions(+), 121 deletions(-)
---
base-commit: f2cb4026fccfe073f84a4b440e41d3ed0c3134f6
change-id: 20240428-auto-be0dc010dda5

Best regards,
-- 
Akihiko Odaki <akihiko.odaki@daynix.com>