openvswitch: Unify vport error stats handling.
Following patch changes vport->send return type so that vport
layer can do error accounting.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c
index 4f01c6d..43712217 100644
--- a/net/openvswitch/vport-netdev.c
+++ b/net/openvswitch/vport-netdev.c
@@ -170,7 +170,7 @@
net_warn_ratelimited("%s: dropped over-mtu packet: %d > %d\n",
netdev_vport->dev->name,
packet_length(skb), mtu);
- goto error;
+ goto drop;
}
skb->dev = netdev_vport->dev;
@@ -179,9 +179,8 @@
return len;
-error:
+drop:
kfree_skb(skb);
- ovs_vport_record_error(vport, VPORT_E_TX_DROPPED);
return 0;
}
diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index 7206231..7f20f6d 100644
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -351,7 +351,7 @@
{
int sent = vport->ops->send(vport, skb);
- if (likely(sent)) {
+ if (likely(sent > 0)) {
struct pcpu_tstats *stats;
stats = this_cpu_ptr(vport->percpu_stats);
@@ -360,7 +360,12 @@
stats->tx_packets++;
stats->tx_bytes += sent;
u64_stats_update_end(&stats->syncp);
- }
+ } else if (sent < 0) {
+ ovs_vport_record_error(vport, VPORT_E_TX_ERROR);
+ kfree_skb(skb);
+ } else
+ ovs_vport_record_error(vport, VPORT_E_TX_DROPPED);
+
return sent;
}
diff --git a/net/openvswitch/vport.h b/net/openvswitch/vport.h
index 26c594b..1cef5cd 100644
--- a/net/openvswitch/vport.h
+++ b/net/openvswitch/vport.h
@@ -123,7 +123,8 @@
* existing vport to a &struct sk_buff. May be %NULL for a vport that does not
* have any configuration.
* @get_name: Get the device's name.
- * @send: Send a packet on the device. Returns the length of the packet sent.
+ * @send: Send a packet on the device. Returns the length of the packet sent,
+ * zero for dropped packets or negative for error.
*/
struct vport_ops {
enum ovs_vport_type type;