diff options
| author | Pravin B Shelar <pshelar@nicira.com> | 2013-05-13 19:22:34 +0400 |
|---|---|---|
| committer | Jesse Gross <jesse@nicira.com> | 2013-06-15 02:09:10 +0400 |
| commit | 91b7514cdff406ad8f63d09b74f664c37bed2e01 (patch) | |
| tree | e74b566546cfb0ec1b48baa9cc39acd647256bd9 /net/openvswitch | |
| parent | cbd531bebb02bc6c0fc3619a2cfc32f7d8843b18 (diff) | |
| download | linux-91b7514cdff406ad8f63d09b74f664c37bed2e01.tar.xz | |
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>
Diffstat (limited to 'net/openvswitch')
| -rw-r--r-- | net/openvswitch/vport-netdev.c | 5 | ||||
| -rw-r--r-- | net/openvswitch/vport.c | 9 | ||||
| -rw-r--r-- | net/openvswitch/vport.h | 3 |
3 files changed, 11 insertions, 6 deletions
diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c index 4f01c6d2ffa4..43712217a372 100644 --- a/net/openvswitch/vport-netdev.c +++ b/net/openvswitch/vport-netdev.c @@ -170,7 +170,7 @@ static int netdev_send(struct vport *vport, struct sk_buff *skb) 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 @@ static int netdev_send(struct vport *vport, struct sk_buff *skb) 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 720623190eaa..7f20f6d1be94 100644 --- a/net/openvswitch/vport.c +++ b/net/openvswitch/vport.c @@ -351,7 +351,7 @@ int ovs_vport_send(struct vport *vport, struct sk_buff *skb) { 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 @@ int ovs_vport_send(struct vport *vport, struct sk_buff *skb) 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 26c594b1a470..1cef5cd3be47 100644 --- a/net/openvswitch/vport.h +++ b/net/openvswitch/vport.h @@ -123,7 +123,8 @@ struct vport_parms { * 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; |