GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-21 22:21:21 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

openvswitch: Remove vport stats.

Browse source 
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>
This commit is contained in:
Pravin B Shelar 2015-08-29 17:44:07 -07:00 • committed by David S. Miller
parent 3eedb41fb4
commit 8c876639c9
5 changed files with 56 additions and 170 deletions
Download patch file Download diff file Expand all files Collapse all files

57
net/openvswitch/vport-internal_dev.c
View file

@ -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 = {