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virtio_net: Update xdp_features with xdp multi-buff

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

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/bpf/60c76cd63a0246db785606e8891b925fd5c9bf06.1675763384.git.lorenzo@kernel.org
This commit is contained in:
Lorenzo Bianconi 2023-02-07 10:53:40 +01:00 committed by Daniel Borkmann
parent 02fc0e73e8
commit 30bbf891f1
1 changed files with 4 additions and 2 deletions
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6
drivers/net/virtio_net.c
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@ -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;