Commit 30bbf891 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Daniel Borkmann
Browse files

virtio_net: Update xdp_features with xdp multi-buff 



Now virtio-net supports xdp multi-buffer so add it to xdp_features.

Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Acked-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/bpf/60c76cd63a0246db785606e8891b925fd5c9bf06.1675763384.git.lorenzo@kernel.org
parent 02fc0e73

drivers/net/virtio_net.c

+4 −2
Original line number Diff line number Diff line
@@ -3281,7 +3281,7 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog, 
				virtnet_clear_guest_offloads(vi);

		}

		if (!old_prog)

			xdp_features_set_redirect_target(dev, false);

			xdp_features_set_redirect_target(dev, true);

	} else {

		xdp_features_clear_redirect_target(dev);

		vi->xdp_enabled = false;
@@ -3940,8 +3940,10 @@ static int virtnet_probe(struct virtio_device *vdev) 
	INIT_WORK(&vi->config_work, virtnet_config_changed_work);

	spin_lock_init(&vi->refill_lock);



	if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF))

	if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF)) {

		vi->mergeable_rx_bufs = true;

		dev->xdp_features |= NETDEV_XDP_ACT_RX_SG;

	}



	if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_NOTF_COAL)) {

		vi->rx_usecs = 0;