diff options
Diffstat (limited to 'net/openvswitch/vport-internal_dev.c')
-rw-r--r-- | net/openvswitch/vport-internal_dev.c | 60 |
1 files changed, 11 insertions, 49 deletions
diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c index 58a7b8312c28..74c88a6baa43 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; } @@ -68,7 +65,7 @@ static int internal_dev_stop(struct net_device *netdev) static void internal_dev_getinfo(struct net_device *netdev, struct ethtool_drvinfo *info) { - strlcpy(info->driver, "openvswitch", sizeof(info->driver)); + strscpy(info->driver, "openvswitch", sizeof(info->driver)); } static const struct ethtool_ops internal_dev_ethtool_ops = { @@ -83,42 +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) -{ - int i; - - 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; - - for_each_possible_cpu(i) { - const struct pcpu_sw_netstats *percpu_stats; - struct pcpu_sw_netstats local_stats; - unsigned int start; - - percpu_stats = per_cpu_ptr(dev->tstats, i); - - do { - start = u64_stats_fetch_begin_irq(&percpu_stats->syncp); - local_stats = *percpu_stats; - } while (u64_stats_fetch_retry_irq(&percpu_stats->syncp, start)); - - stats->rx_bytes += local_stats.rx_bytes; - stats->rx_packets += local_stats.rx_packets; - stats->tx_bytes += local_stats.tx_bytes; - stats->tx_packets += local_stats.tx_packets; - } -} - 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 = { @@ -180,6 +147,7 @@ static struct vport *internal_dev_create(const struct vport_parms *parms) } dev_net_set(vport->dev, ovs_dp_get_net(vport->dp)); + dev->ifindex = parms->desired_ifindex; internal_dev = internal_dev_priv(vport->dev); internal_dev->vport = vport; @@ -222,10 +190,9 @@ static void internal_dev_destroy(struct vport *vport) rtnl_unlock(); } -static netdev_tx_t internal_dev_recv(struct sk_buff *skb) +static int internal_dev_recv(struct sk_buff *skb) { struct net_device *netdev = skb->dev; - struct pcpu_sw_netstats *stats; if (unlikely(!(netdev->flags & IFF_UP))) { kfree_skb(skb); @@ -240,12 +207,7 @@ static netdev_tx_t internal_dev_recv(struct sk_buff *skb) skb->pkt_type = PACKET_HOST; skb->protocol = eth_type_trans(skb, netdev); skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN); - - stats = this_cpu_ptr(netdev->tstats); - u64_stats_update_begin(&stats->syncp); - stats->rx_packets++; - stats->rx_bytes += skb->len; - u64_stats_update_end(&stats->syncp); + dev_sw_netstats_rx_add(netdev, skb->len); netif_rx(skb); return NETDEV_TX_OK; |