QE tested this RFC series of patches with virtio-net regression tests, everything works fine.
Tested-by: Lei Yang <leiy...@redhat.com> On Thu, Mar 13, 2025 at 2:56 PM Akihiko Odaki <akihiko.od...@daynix.com> wrote: > > I'm proposing to add a feature to offload virtio-net RSS/hash report to > Linux. This series contain patches to utilize the proposed Linux feature. > The patches for Linux are available at: > https://lore.kernel.org/r/20250307-rss-v9-0-df7662402...@daynix.com/ > > This work was presented at LPC 2024: > https://lpc.events/event/18/contributions/1963/ > > Patch "docs/devel/ebpf_rss.rst: Update for peer RSS" provides comparion > of existing RSS mechanism and the new one (called "peer RSS") and > explains how QEMU selects one. > > --- > Changes in v4: > - Rebased. > - Added a reference to the documentation to the cover letter. > - Link to v3: > https://lore.kernel.org/r/20240915-hash-v3-0-79cb08d28...@daynix.com > > --- > Akihiko Odaki (11): > qdev-properties: Add DEFINE_PROP_ON_OFF_AUTO_BIT64() > net/vhost-vdpa: Report hashing capability > virtio-net: Move virtio_net_get_features() down > virtio-net: Retrieve peer hashing capability > net/vhost-vdpa: Remove dummy SetSteeringEBPF > virtio-net: Add hash type options > net: Allow configuring virtio hashing > virtio-net: Use qemu_set_vnet_hash() > virtio-net: Offload hashing without vhost > tap: Report virtio-net hashing support on Linux > docs/devel/ebpf_rss.rst: Update for peer RSS > > docs/devel/ebpf_rss.rst | 23 ++- > include/hw/qdev-properties.h | 18 +++ > include/hw/virtio/virtio-net.h | 6 +- > include/net/net.h | 20 +++ > net/tap-linux.h | 2 + > net/tap_int.h | 3 + > hw/core/qdev-properties.c | 67 ++++++++- > hw/net/virtio-net.c | 331 > +++++++++++++++++++++++++++++------------ > net/net.c | 14 ++ > net/tap-bsd.c | 10 ++ > net/tap-linux.c | 18 +++ > net/tap-solaris.c | 10 ++ > net/tap-stub.c | 10 ++ > net/tap.c | 15 ++ > net/vhost-vdpa.c | 41 ++++- > 15 files changed, 478 insertions(+), 110 deletions(-) > --- > base-commit: 825b96dbcee23d134b691fc75618b59c5f53da32 > change-id: 20240828-hash-628329a45d4d > > Best regards, > -- > Akihiko Odaki <akihiko.od...@daynix.com> > >
