static struct rtnl_link_stats64 *internal_dev_get_stats(struct net_device *netdev,
struct rtnl_link_stats64 *stats)
{
#else
static struct net_device_stats *internal_dev_sys_stats(struct net_device *netdev)
{
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
struct net_device_stats *stats = &internal_dev_priv(netdev)->stats;
#else
struct net_device_stats *stats = &netdev->stats;
#endif
#endif
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)
{
if (unlikely(compute_ip_summed(skb, true))) {
kfree_skb(skb);
return 0;
}
vlan_copy_skb_tci(skb);
rcu_read_lock();
ovs_vport_receive(internal_dev_priv(netdev)->vport, skb, NULL);
rcu_read_unlock();
return 0;
}
static int internal_dev_open(struct net_device *netdev)
{
netif_start_queue(netdev);
return 0;
}
static int internal_dev_xmit(struct sk_buff *skb, struct net_device *netdev)
{
rcu_read_lock();
ovs_vport_receive(internal_dev_priv(netdev)->vport, skb);
rcu_read_unlock();
return 0;
}
struct vport *ovs_internal_dev_get_vport(struct net_device *netdev)
{
if (!ovs_is_internal_dev(netdev))
return NULL;
return internal_dev_priv(netdev)->vport;
}
static struct rtnl_link_stats64 *internal_dev_get_stats(struct net_device *netdev,
struct rtnl_link_stats64 *stats)
{
#else
static struct net_device_stats *internal_dev_sys_stats(struct net_device *netdev)
{
struct net_device_stats *stats = &netdev->stats;
#endif
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)
{
rcu_read_lock();
ovs_vport_receive(internal_dev_priv(netdev)->vport, skb, NULL);
rcu_read_unlock();
return 0;
}
static struct vport *internal_dev_create(const struct vport_parms *parms)
{
struct vport *vport;
struct internal_dev *internal_dev;
int err;
vport = ovs_vport_alloc(0, &ovs_internal_vport_ops, parms);
if (IS_ERR(vport)) {
err = PTR_ERR(vport);
goto error;
}
vport->dev = alloc_netdev(sizeof(struct internal_dev),
parms->name, NET_NAME_USER, do_setup);
if (!vport->dev) {
err = -ENOMEM;
goto error_free_vport;
}
vport->dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
if (!vport->dev->tstats) {
err = -ENOMEM;
goto error_free_netdev;
}
#ifdef HAVE_IFF_PHONY_HEADROOM
vport->dev->needed_headroom = vport->dp->max_headroom;
#endif
dev_net_set(vport->dev, ovs_dp_get_net(vport->dp));
internal_dev = internal_dev_priv(vport->dev);
internal_dev->vport = vport;
/* Restrict bridge port to current netns. */
if (vport->port_no == OVSP_LOCAL)
vport->dev->features |= NETIF_F_NETNS_LOCAL;
rtnl_lock();
err = register_netdevice(vport->dev);
if (err)
goto error_unlock;
dev_set_promiscuity(vport->dev, 1);
rtnl_unlock();
netif_start_queue(vport->dev);
return vport;
error_unlock:
rtnl_unlock();
free_percpu(vport->dev->tstats);
error_free_netdev:
free_netdev(vport->dev);
error_free_vport:
ovs_vport_free(vport);
error:
return ERR_PTR(err);
}
static struct vport *internal_dev_create(const struct vport_parms *parms)
{
struct vport *vport;
struct netdev_vport *netdev_vport;
struct internal_dev *internal_dev;
int err;
vport = ovs_vport_alloc(sizeof(struct netdev_vport),
&ovs_internal_vport_ops, parms);
if (IS_ERR(vport)) {
err = PTR_ERR(vport);
goto error;
}
netdev_vport = netdev_vport_priv(vport);
netdev_vport->dev = alloc_netdev(sizeof(struct internal_dev),
parms->name, NET_NAME_UNKNOWN,
do_setup);
if (!netdev_vport->dev) {
err = -ENOMEM;
goto error_free_vport;
}
dev_net_set(netdev_vport->dev, ovs_dp_get_net(vport->dp));
internal_dev = internal_dev_priv(netdev_vport->dev);
internal_dev->vport = vport;
/* Restrict bridge port to current netns. */
if (vport->port_no == OVSP_LOCAL)
netdev_vport->dev->features |= NETIF_F_NETNS_LOCAL;
rtnl_lock();
err = register_netdevice(netdev_vport->dev);
if (err)
goto error_free_netdev;
dev_set_promiscuity(netdev_vport->dev, 1);
rtnl_unlock();
netif_start_queue(netdev_vport->dev);
return vport;
error_free_netdev:
rtnl_unlock();
free_netdev(netdev_vport->dev);
error_free_vport:
ovs_vport_free(vport);
error:
return ERR_PTR(err);
}
static struct vport *internal_dev_create(const struct vport_parms *parms)
{
struct vport *vport;
struct netdev_vport *netdev_vport;
struct internal_dev *internal_dev;
int err;
vport = ovs_vport_alloc(sizeof(struct netdev_vport),
&ovs_internal_vport_ops, parms);
if (IS_ERR(vport)) {
err = PTR_ERR(vport);
goto error;
}
netdev_vport = netdev_vport_priv(vport);
netdev_vport->dev = alloc_netdev(sizeof(struct internal_dev),
parms->name, do_setup);
if (!netdev_vport->dev) {
err = -ENOMEM;
goto error_free_vport;
}
internal_dev = internal_dev_priv(netdev_vport->dev);
internal_dev->vport = vport;
err = register_netdevice(netdev_vport->dev);
if (err)
goto error_free_netdev;
dev_set_promiscuity(netdev_vport->dev, 1);
netif_start_queue(netdev_vport->dev);
return vport;
error_free_netdev:
free_netdev(netdev_vport->dev);
error_free_vport:
ovs_vport_free(vport);
error:
return ERR_PTR(err);
}
/* 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();
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;
}
