linux-kernel - [PATCH v7 0/3] vduse: add support for networking devices

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Date: Tue,  9 Jan 2024 12:10:22 +0100
From: Maxime Coquelin <maxime.coquelin@...hat.com>
To: mst@...hat.com,
	jasowang@...hat.com,
	xuanzhuo@...ux.alibaba.com,
	xieyongji@...edance.com,
	virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org,
	david.marchand@...hat.com,
	lulu@...hat.com
Cc: Maxime Coquelin <maxime.coquelin@...hat.com>
Subject: [PATCH v7 0/3] vduse: add support for networking devices

This small series enables virtio-net device type in VDUSE.
With it, basic operation have been tested, both with
virtio-vdpa and vhost-vdpa using DPDK Vhost library series
adding VDUSE support using split rings layout (merged in
DPDK v23.07-rc1).

Control queue support (and so multiqueue) has also been
tested, but requires a Kernel series from Jason Wang
relaxing control queue polling [1] to function reliably,
so while Jason rework is done, a patch is added to fail init
if control queue feature is requested.(tested also with DPDK
v23.11).


Changes in v7:
==============
- Fail init only if VIRTIO_NET_F_CTRL_VQ is requested.
- Convert to use BIT_ULL() macro
- Rebased

Changes in v6:
==============
- Remove SELinux support from the series, will be handled
  in a dedicated one.
- Require CAP_NET_ADMIN for Net devices creation (Jason).
- Fail init if control queue features are requested for
  Net device type (Jason).
- Rebased on latest master.

Changes in v5:
==============
- Move control queue disablement patch before Net
  devices enablement (Jason).
- Unify operations LSM hooks into a single hook.
- Rebase on latest master.

Maxime Coquelin (3):
  vduse: validate block features only with block devices
  vduse: Temporarily fail if control queue feature requested
  vduse: enable Virtio-net device type

 drivers/vdpa/vdpa_user/vduse_dev.c | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

-- 
2.43.0