On 2 Aug 2019, at 1:11, Björn Töpel wrote:
> From: Björn Töpel <[email protected]>
>
> When an AF_XDP socket is released/closed the XSKMAP still holds a
> reference to the socket in a "released" state. The socket will still
> use the netdev queue resource, and block newly created sockets from
> attaching to that queue, but no user application can access the
> fill/complete/rx/tx queues. This results in that all applications need
> to explicitly clear the map entry from the old "zombie state"
> socket. This should be done automatically.
>
> In this patch, the sockets tracks, and have a reference to, which maps
> it resides in. When the socket is released, it will remove itself from
> all maps.
>
> Suggested-by: Bruce Richardson <[email protected]>
> Signed-off-by: Björn Töpel <[email protected]>
Reviewed-by: Jonathan Lemon <[email protected]>