Re: [PATCH v7 0/7] reference implementation of RSS and hash report

["Michael S. Tsirkin" <mst@redhat.com>]

On Sun, Mar 29, 2020 at 06:09:46PM +0300, Yuri Benditovich wrote:
> Support for VIRTIO_NET_F_RSS and VIRTIO_NET_F_HASH_REPORT
> features in QEMU for reference purpose.
> Implements Toeplitz hash calculation for incoming
> packets according to configuration provided by driver.
> Uses calculated hash for decision on receive virtqueue
> and/or reports the hash in the virtio header


Reviewed-by: Michael S. Tsirkin <mst@redhat.com>

Probably post 5.0 material.

> Changes from v6:
> Fixed a bug in patch 5 "reference implementation of hash report"
> that caused the ASAN test to fail
> was: n->rss_data.populate_hash = true;
> fixed: n->rss_data.populate_hash = !!hash_report;
> 
> Yuri Benditovich (7):
>   virtio-net: introduce RSS and hash report features
>   virtio-net: implement RSS configuration command
>   virtio-net: implement RX RSS processing
>   tap: allow extended virtio header with hash info
>   virtio-net: reference implementation of hash report
>   vmstate.h: provide VMSTATE_VARRAY_UINT16_ALLOC macro
>   virtio-net: add migration support for RSS and hash report
> 
>  hw/net/trace-events            |   3 +
>  hw/net/virtio-net.c            | 448 +++++++++++++++++++++++++++++++--
>  include/hw/virtio/virtio-net.h |  16 ++
>  include/migration/vmstate.h    |  10 +
>  net/tap.c                      |  11 +-
>  5 files changed, 460 insertions(+), 28 deletions(-)
> 
> -- 
> 2.17.1