Messages in this thread | | | Date | Fri, 2 Mar 2018 08:05:17 +0100 | From | Jesper Dangaard Brouer <> | Subject | Re: [PATCH net] virtio-net: re enable XDP_REDIRECT for mergeable buffer |
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On Fri, 2 Mar 2018 14:25:29 +0800 Jason Wang <jasowang@redhat.com> wrote:
> @@ -770,6 +774,19 @@ static struct sk_buff *receive_mergeable(struct net_device *dev, > goto err_xdp; > rcu_read_unlock(); > goto xdp_xmit; > + case XDP_REDIRECT: > + err = xdp_do_redirect(dev, &xdp, xdp_prog); > + if (err) { > + trace_xdp_exception(vi->dev, xdp_prog, act);
Do not add a trace_xdp_exception here... this is handled inside xdp_do_redirect() invocation.
> + if (unlikely(xdp_page != page)) > + put_page(xdp_page); > + goto err_xdp; > + } > + *xdp_xmit = true; > + if (unlikely(xdp_page != page)) > + goto err_xdp; > + rcu_read_unlock(); > + goto xdp_xmit;
-- Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat LinkedIn: http://www.linkedin.com/in/brouer
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