diff options
Diffstat (limited to 'drivers/net/virtio_net.c')
| -rw-r--r-- | drivers/net/virtio_net.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index d75f8edf4fb3..7b687469199b 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -671,8 +671,7 @@ static bool try_fill_recv(struct receive_queue *rq, gfp_t gfp) if (err) break; } while (rq->vq->num_free); - if (unlikely(!virtqueue_kick(rq->vq))) - return false; + virtqueue_kick(rq->vq); return !oom; } @@ -877,15 +876,16 @@ static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev) err = xmit_skb(sq, skb); /* This should not happen! */ - if (unlikely(err) || unlikely(!virtqueue_kick(sq->vq))) { + if (unlikely(err)) { dev->stats.tx_fifo_errors++; if (net_ratelimit()) dev_warn(&dev->dev, "Unexpected TXQ (%d) queue failure: %d\n", qnum, err); dev->stats.tx_dropped++; - kfree_skb(skb); + dev_kfree_skb_any(skb); return NETDEV_TX_OK; } + virtqueue_kick(sq->vq); /* Don't wait up for transmitted skbs to be freed. */ skb_orphan(skb); @@ -938,7 +938,7 @@ static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd, sgs[out_num] = &stat; BUG_ON(out_num + 1 > ARRAY_SIZE(sgs)); - BUG_ON(virtqueue_add_sgs(vi->cvq, sgs, out_num, 1, vi, GFP_ATOMIC) < 0); + virtqueue_add_sgs(vi->cvq, sgs, out_num, 1, vi, GFP_ATOMIC); if (unlikely(!virtqueue_kick(vi->cvq))) return status == VIRTIO_NET_OK; @@ -1000,16 +1000,16 @@ static struct rtnl_link_stats64 *virtnet_stats(struct net_device *dev, u64 tpackets, tbytes, rpackets, rbytes; do { - start = u64_stats_fetch_begin_bh(&stats->tx_syncp); + start = u64_stats_fetch_begin_irq(&stats->tx_syncp); tpackets = stats->tx_packets; tbytes = stats->tx_bytes; - } while (u64_stats_fetch_retry_bh(&stats->tx_syncp, start)); + } while (u64_stats_fetch_retry_irq(&stats->tx_syncp, start)); do { - start = u64_stats_fetch_begin_bh(&stats->rx_syncp); + start = u64_stats_fetch_begin_irq(&stats->rx_syncp); rpackets = stats->rx_packets; rbytes = stats->rx_bytes; - } while (u64_stats_fetch_retry_bh(&stats->rx_syncp, start)); + } while (u64_stats_fetch_retry_irq(&stats->rx_syncp, start)); tot->rx_packets += rpackets; tot->tx_packets += tpackets; @@ -1711,7 +1711,8 @@ static int virtnet_probe(struct virtio_device *vdev) /* If we can receive ANY GSO packets, we must allocate large ones. */ if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) || virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6) || - virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN)) + virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN) || + virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_UFO)) vi->big_packets = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF)) |