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authorPravin B Shelar <pshelar@nicira.com>2015-08-30 03:44:07 +0300
committerDavid S. Miller <davem@davemloft.net>2015-08-30 05:07:15 +0300
commit8c876639c98501b049269b554bf4ecbb8f9c012f (patch)
treedf0acdaec7613cfd181a98448d0678660b6ca5ad /net/openvswitch/vport-internal_dev.c
parent3eedb41fb43461b5fde3f72fd00a7706f0b90103 (diff)
downloadlinux-8c876639c98501b049269b554bf4ecbb8f9c012f.tar.xz
openvswitch: Remove vport stats.
Since all vport types are now backed by netdev, we can directly use netdev stats. Following patch removes redundant stat from vport. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/openvswitch/vport-internal_dev.c')
-rw-r--r--net/openvswitch/vport-internal_dev.c57
1 files changed, 25 insertions, 32 deletions
diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c
index 80b3e12ec882..388b8a6bf112 100644
--- a/net/openvswitch/vport-internal_dev.c
+++ b/net/openvswitch/vport-internal_dev.c
@@ -43,35 +43,26 @@ static struct internal_dev *internal_dev_priv(struct net_device *netdev)
return netdev_priv(netdev);
}
-/* This function is only called by the kernel network layer.*/
-static struct rtnl_link_stats64 *internal_dev_get_stats(struct net_device *netdev,
- struct rtnl_link_stats64 *stats)
-{
- struct vport *vport = ovs_internal_dev_get_vport(netdev);
- struct ovs_vport_stats vport_stats;
-
- ovs_vport_get_stats(vport, &vport_stats);
-
- /* The tx and rx stats need to be swapped because the
- * switch and host OS have opposite perspectives. */
- stats->rx_packets = vport_stats.tx_packets;
- stats->tx_packets = vport_stats.rx_packets;
- stats->rx_bytes = vport_stats.tx_bytes;
- stats->tx_bytes = vport_stats.rx_bytes;
- stats->rx_errors = vport_stats.tx_errors;
- stats->tx_errors = vport_stats.rx_errors;
- stats->rx_dropped = vport_stats.tx_dropped;
- stats->tx_dropped = vport_stats.rx_dropped;
-
- return stats;
-}
-
/* Called with rcu_read_lock_bh. */
static int internal_dev_xmit(struct sk_buff *skb, struct net_device *netdev)
{
+ int len, err;
+
+ len = skb->len;
rcu_read_lock();
- ovs_vport_receive(internal_dev_priv(netdev)->vport, skb, NULL);
+ 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 {
+ netdev->stats.tx_errors++;
+ }
return 0;
}
@@ -121,7 +112,6 @@ static const struct net_device_ops internal_dev_netdev_ops = {
.ndo_start_xmit = internal_dev_xmit,
.ndo_set_mac_address = eth_mac_addr,
.ndo_change_mtu = internal_dev_change_mtu,
- .ndo_get_stats64 = internal_dev_get_stats,
};
static struct rtnl_link_ops internal_dev_link_ops __read_mostly = {
@@ -212,18 +202,17 @@ static void internal_dev_destroy(struct vport *vport)
rtnl_unlock();
}
-static int internal_dev_recv(struct vport *vport, struct sk_buff *skb)
+static void internal_dev_recv(struct vport *vport, struct sk_buff *skb)
{
struct net_device *netdev = vport->dev;
- int len;
+ struct pcpu_sw_netstats *stats;
if (unlikely(!(netdev->flags & IFF_UP))) {
kfree_skb(skb);
- return 0;
+ netdev->stats.rx_dropped++;
+ return;
}
- len = skb->len;
-
skb_dst_drop(skb);
nf_reset(skb);
secpath_reset(skb);
@@ -233,9 +222,13 @@ static int internal_dev_recv(struct vport *vport, struct sk_buff *skb)
skb->protocol = eth_type_trans(skb, netdev);
skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN);
- netif_rx(skb);
+ 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);
- return len;
+ netif_rx(skb);
}
static struct vport_ops ovs_internal_vport_ops = {