On Tue, 24 Apr 2018 23:39:18 +0900
Toshiaki Makita <toshiaki.maki...@gmail.com> wrote:
> +static int veth_xdp_enqueue(struct veth_priv *priv, void *ptr)
> +{
> + if (unlikely(ptr_ring_produce(&priv->xdp_ring, ptr)))
> + return -ENOSPC;
> +
> + return 0;
> +}
Here we have a lock per (enqueued) packet. I'm working on changing the
ndo_xdp_xmit API to allow bulking. And the tun driver have exact same
issue/need.
--
Best regards,
Jesper Dangaard Brouer
MSc.CS, Principal Kernel Engineer at Red Hat
LinkedIn: http://www.linkedin.com/in/brouer
