[dpdk-dev] [PATCH v3 0/6] net/virtio-user: fix server mode

[Maxime Coquelin]

On 10/26/20 5:39 PM, Adrian Moreno wrote:
> A number of issues have been detected that currently break virtio-user
> server mode.
> This series addresses such issues.
> Note that virtio-user server mode is broken by design and many of the
> problems that it currently has should be fixed by a bigger rework.
> 
> --
> v2->v3:
> Fix potential concurrency problem on get/set state
> Handle STATUS protocol feature flag
> Fix undefined behaviour if STATUS feature is not supported
> Ensure packed virtqueues are reset on reconnection
> 
> 
> v1->v2:
> Added patch 2 and 3 addressing additional issues
> Check errno to select vhost-user backend and log the detected backend
> type
> 
> Adrian Moreno (6):
>   net/virtio-user: fix backend selection if stat fails
>   net/virtio-user: don't set/get_status until FEATURES_OK
>   net/virtio-user: ignore result if STATUS is unsupported
>   net/virtio-user: lock-protect status updates
>   net/virtio-user: don't assume vhost status feature
>   net/virtio-user: set status on socket reconnect
> 
>  drivers/net/virtio/virtio_user/vhost_user.c   | 14 ++---
>  .../net/virtio/virtio_user/virtio_user_dev.c  | 53 +++++++++++++------
>  .../net/virtio/virtio_user/virtio_user_dev.h  |  5 +-
>  drivers/net/virtio/virtio_user_ethdev.c       | 40 ++++++++++----
>  4 files changed, 78 insertions(+), 34 deletions(-)
> 

Applied to dpdk-next-virtio/main.

Thanks!
Maxime