netdev - [PATCH 0/4] RSS support for VirtioNet.

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Message-Id: <20220109210659.2866740-1-andrew@daynix.com>
Date:   Sun,  9 Jan 2022 23:06:55 +0200
From:   Andrew Melnychenko <andrew@...nix.com>
To:     netdev@...r.kernel.org, virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        jasowang@...hat.com, mst@...hat.com
Cc:     yan@...nix.com, yuri.benditovich@...nix.com
Subject: [PATCH 0/4] RSS support for VirtioNet.

Virtio-net supports "hardware" RSS with toeplitz key.
Also, it allows receiving calculated hash in vheader
that may be used with RPS.
Added ethtools callbacks to manipulate RSS.

Technically hash calculation may be set only for
SRC+DST and SRC+DST+PORTSRC+PORTDST hashflows.
The completely disabling hash calculation for TCP or UDP
would disable hash calculation for IP.

RSS/RXHASH is disabled by default.

Changes since rfc:
* code refactored
* patches reformatted
* added feature validation

Andrew Melnychenko (4):
  drivers/net/virtio_net: Fixed padded vheader to use v1 with hash.
  drivers/net/virtio_net: Added basic RSS support.
  drivers/net/virtio_net: Added RSS hash report.
  drivers/net/virtio_net: Added RSS hash report control.

 drivers/net/virtio_net.c | 404 +++++++++++++++++++++++++++++++++++++--
 1 file changed, 390 insertions(+), 14 deletions(-)

-- 
2.34.1