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path: root/drivers/net/virtio_net.c
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Diffstat (limited to 'drivers/net/virtio_net.c')
-rw-r--r--drivers/net/virtio_net.c31
1 files changed, 14 insertions, 17 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 4c41df624dbb..82e520d2cb12 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -689,12 +689,9 @@ static struct sk_buff *receive_small(struct net_device *dev,
page = xdp_page;
}
- xdp.data_hard_start = buf + VIRTNET_RX_PAD + vi->hdr_len;
- xdp.data = xdp.data_hard_start + xdp_headroom;
- xdp.data_end = xdp.data + len;
- xdp.data_meta = xdp.data;
- xdp.rxq = &rq->xdp_rxq;
- xdp.frame_sz = buflen;
+ xdp_init_buff(&xdp, buflen, &rq->xdp_rxq);
+ xdp_prepare_buff(&xdp, buf + VIRTNET_RX_PAD + vi->hdr_len,
+ xdp_headroom, len, true);
orig_data = xdp.data;
act = bpf_prog_run_xdp(xdp_prog, &xdp);
stats->xdp_packets++;
@@ -732,6 +729,7 @@ static struct sk_buff *receive_small(struct net_device *dev,
fallthrough;
case XDP_ABORTED:
trace_xdp_exception(vi->dev, xdp_prog, act);
+ goto err_xdp;
case XDP_DROP:
goto err_xdp;
}
@@ -859,12 +857,9 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
* the descriptor on if we get an XDP_TX return code.
*/
data = page_address(xdp_page) + offset;
- xdp.data_hard_start = data - VIRTIO_XDP_HEADROOM + vi->hdr_len;
- xdp.data = data + vi->hdr_len;
- xdp.data_end = xdp.data + (len - vi->hdr_len);
- xdp.data_meta = xdp.data;
- xdp.rxq = &rq->xdp_rxq;
- xdp.frame_sz = frame_sz - vi->hdr_len;
+ xdp_init_buff(&xdp, frame_sz - vi->hdr_len, &rq->xdp_rxq);
+ xdp_prepare_buff(&xdp, data - VIRTIO_XDP_HEADROOM + vi->hdr_len,
+ VIRTIO_XDP_HEADROOM, len - vi->hdr_len, true);
act = bpf_prog_run_xdp(xdp_prog, &xdp);
stats->xdp_packets++;
@@ -2093,14 +2088,16 @@ static int virtnet_set_channels(struct net_device *dev,
get_online_cpus();
err = _virtnet_set_queues(vi, queue_pairs);
- if (!err) {
- netif_set_real_num_tx_queues(dev, queue_pairs);
- netif_set_real_num_rx_queues(dev, queue_pairs);
-
- virtnet_set_affinity(vi);
+ if (err) {
+ put_online_cpus();
+ goto err;
}
+ virtnet_set_affinity(vi);
put_online_cpus();
+ netif_set_real_num_tx_queues(dev, queue_pairs);
+ netif_set_real_num_rx_queues(dev, queue_pairs);
+ err:
return err;
}