diff options
Diffstat (limited to 'net/openvswitch/vport-internal_dev.c')
| -rw-r--r-- | net/openvswitch/vport-internal_dev.c | 29 |
1 files changed, 7 insertions, 22 deletions
diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c index 1e30d8df3ba5..5b2ee9c1c00b 100644 --- a/net/openvswitch/vport-internal_dev.c +++ b/net/openvswitch/vport-internal_dev.c @@ -35,21 +35,18 @@ internal_dev_xmit(struct sk_buff *skb, struct net_device *netdev) { int len, err; + /* store len value because skb can be freed inside ovs_vport_receive() */ len = skb->len; + rcu_read_lock(); err = ovs_vport_receive(internal_dev_priv(netdev)->vport, skb, NULL); rcu_read_unlock(); - if (likely(!err)) { - struct pcpu_sw_netstats *tstats = this_cpu_ptr(netdev->tstats); - - u64_stats_update_begin(&tstats->syncp); - tstats->tx_bytes += len; - tstats->tx_packets++; - u64_stats_update_end(&tstats->syncp); - } else { + if (likely(!err)) + dev_sw_netstats_tx_add(netdev, 1, len); + else netdev->stats.tx_errors++; - } + return NETDEV_TX_OK; } @@ -83,24 +80,12 @@ static void internal_dev_destructor(struct net_device *dev) ovs_vport_free(vport); } -static void -internal_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats) -{ - memset(stats, 0, sizeof(*stats)); - stats->rx_errors = dev->stats.rx_errors; - stats->tx_errors = dev->stats.tx_errors; - stats->tx_dropped = dev->stats.tx_dropped; - stats->rx_dropped = dev->stats.rx_dropped; - - dev_fetch_sw_netstats(stats, dev->tstats); -} - static const struct net_device_ops internal_dev_netdev_ops = { .ndo_open = internal_dev_open, .ndo_stop = internal_dev_stop, .ndo_start_xmit = internal_dev_xmit, .ndo_set_mac_address = eth_mac_addr, - .ndo_get_stats64 = internal_get_stats, + .ndo_get_stats64 = dev_get_tstats64, }; static struct rtnl_link_ops internal_dev_link_ops __read_mostly = { |