[EXTERNAL] [PATCH] net/virtio-user: reset used index counter in dev reset

[Shiva Shankar Kommula]

Hello Maxime, 
could you please review the following change ? 

Thanks

> Subject: [EXTERNAL] [PATCH] net/virtio-user: reset used index counter in dev
> reset
> 
> When the virtio device is reinitialized during ethdev reconfiguration, all the
> virtio rings are recreated and repopulated on the device. Accordingly, reset the
> used index counter value back to zero. Signed-off-by: Kommula Shiva Shankar
> <kshankar@ marvell. com> 
> When the virtio device is reinitialized during ethdev reconfiguration, all the
> virtio rings are recreated and repopulated on the device.
> Accordingly, reset the used index counter value back to zero.
> 
> Signed-off-by: Kommula Shiva Shankar <kshankar at marvell.com>
> ---
>  drivers/net/virtio/virtio_user_ethdev.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/virtio/virtio_user_ethdev.c
> b/drivers/net/virtio/virtio_user_ethdev.c
> index ae6593ba0b..d60c7e188c 100644
> --- a/drivers/net/virtio/virtio_user_ethdev.c
> +++ b/drivers/net/virtio/virtio_user_ethdev.c
> @@ -204,6 +204,7 @@ virtio_user_setup_queue_packed(struct virtqueue
> *vq,
>  	vring->device = (void *)(uintptr_t)used_addr;
>  	dev->packed_queues[queue_idx].avail_wrap_counter = true;
>  	dev->packed_queues[queue_idx].used_wrap_counter = true;
> +	dev->packed_queues[queue_idx].used_idx = 0;
> 
>  	for (i = 0; i < vring->num; i++)
>  		vring->desc[i].flags = 0;
> --
> 2.43.0