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Commit 5d274cb4 authored by Jesper Dangaard Brouer's avatar Jesper Dangaard Brouer Committed by Alexei Starovoitov
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virtio_net: implement flush flag for ndo_xdp_xmit 



When passed the XDP_XMIT_FLUSH flag virtnet_xdp_xmit now performs the
same virtqueue_kick as virtnet_xdp_flush.

Signed-off-by: default avatarJesper Dangaard Brouer <brouer@redhat.com>
Acked-by: default avatarSong Liu <songliubraving@fb.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent 0c9d917b

drivers/net/virtio_net.c

+5 −1
Original line number Diff line number Diff line
@@ -481,7 +481,7 @@ static int virtnet_xdp_xmit(struct net_device *dev, 
	int err;

	int i;



	if (unlikely(flags & ~XDP_XMIT_FLAGS_NONE))

	if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK))

		return -EINVAL;



	qp = vi->curr_queue_pairs - vi->xdp_queue_pairs + smp_processor_id();
@@ -507,6 +507,10 @@ static int virtnet_xdp_xmit(struct net_device *dev, 
			drops++;

		}

	}



	if (flags & XDP_XMIT_FLUSH)

		virtqueue_kick(sq->vq);



	return n - drops;

}