#include "vport-internal_dev.h"
#include "vport-netdev.h"
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)
+#define HAVE_NET_DEVICE_OPS
+#endif
+
struct internal_dev {
struct vport *vport;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
struct net_device_stats stats;
+#endif
};
-static inline struct internal_dev *internal_dev_priv(struct net_device *netdev)
+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. It is not a vport
- * get_stats() function. If a vport get_stats() function is defined that
- * results in this being called it will cause infinite recursion. */
+/* This function is only called by the kernel network layer.*/
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)
+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 vport *vport = internal_dev_get_vport(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 = internal_dev_get_vport(netdev);
+ struct ovs_vport_stats vport_stats;
- if (vport) {
- struct rtnl_link_stats64 vport_stats;
-
- 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;
- stats->collisions = vport_stats.collisions;
- }
+ 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;
}
return 0;
}
-/* Called with rcu_read_lock and bottom-halves disabled. */
+/* 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))) {
vlan_copy_skb_tci(skb);
OVS_CB(skb)->flow = NULL;
+ rcu_read_lock();
vport_receive(internal_dev_priv(netdev)->vport, skb);
+ rcu_read_unlock();
return 0;
}
static const struct ethtool_ops internal_dev_ethtool_ops = {
.get_drvinfo = internal_dev_getinfo,
.get_link = ethtool_op_get_link,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)
.get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg,
.get_tx_csum = ethtool_op_get_tx_csum,
.set_tx_csum = ethtool_op_set_tx_hw_csum,
.get_tso = ethtool_op_get_tso,
.set_tso = ethtool_op_set_tso,
+#endif
};
static int internal_dev_change_mtu(struct net_device *netdev, int new_mtu)
{
- struct vport *vport = internal_dev_get_vport(netdev);
-
if (new_mtu < 68)
return -EINVAL;
- if (new_mtu > dp_min_mtu(vport->dp))
- return -EINVAL;
-
netdev->mtu = new_mtu;
return 0;
}
-static int internal_dev_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+static int internal_dev_do_ioctl(struct net_device *dev,
+ struct ifreq *ifr, int cmd)
{
if (dp_ioctl_hook)
return dp_ioctl_hook(dev, ifr, cmd);
.ndo_set_mac_address = internal_dev_mac_addr,
.ndo_do_ioctl = internal_dev_do_ioctl,
.ndo_change_mtu = internal_dev_change_mtu,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)
+ .ndo_get_stats64 = internal_dev_get_stats,
+#else
.ndo_get_stats = internal_dev_sys_stats,
+#endif
};
#endif
netdev->change_mtu = internal_dev_change_mtu;
#endif
+ netdev->priv_flags &= ~IFF_TX_SKB_SHARING;
netdev->destructor = internal_dev_destructor;
SET_ETHTOOL_OPS(netdev, &internal_dev_ethtool_ops);
netdev->tx_queue_len = 0;
- netdev->flags = IFF_BROADCAST | IFF_MULTICAST;
netdev->features = NETIF_F_LLTX | NETIF_F_SG | NETIF_F_FRAGLIST |
NETIF_F_HIGHDMA | NETIF_F_HW_CSUM | NETIF_F_TSO;
netdev->features |= NETIF_F_HW_VLAN_TX;
#endif
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)
+ netdev->hw_features = netdev->features & ~NETIF_F_LLTX;
+#endif
vport_gen_rand_ether_addr(netdev->dev_addr);
}
struct internal_dev *internal_dev;
int err;
- vport = vport_alloc(sizeof(struct netdev_vport), &internal_vport_ops, parms);
+ vport = vport_alloc(sizeof(struct netdev_vport),
+ &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);
+ netdev_vport->dev = alloc_netdev(sizeof(struct internal_dev),
+ parms->name, do_setup);
if (!netdev_vport->dev) {
err = -ENOMEM;
goto error_free_vport;
return ERR_PTR(err);
}
-static int internal_dev_destroy(struct vport *vport)
+static void internal_dev_destroy(struct vport *vport)
{
struct netdev_vport *netdev_vport = netdev_vport_priv(vport);
/* unregister_netdevice() waits for an RCU grace period. */
unregister_netdevice(netdev_vport->dev);
-
- return 0;
}
static int internal_dev_recv(struct vport *vport, struct sk_buff *skb)
skb->protocol = eth_type_trans(skb, netdev);
forward_ip_summed(skb, false);
- if (in_interrupt())
- netif_rx(skb);
- else
- netif_rx_ni(skb);
+ netif_rx(skb);
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
netdev->last_rx = jiffies;
const struct vport_ops internal_vport_ops = {
.type = OVS_VPORT_TYPE_INTERNAL,
- .flags = VPORT_F_REQUIRED | VPORT_F_GEN_STATS | VPORT_F_FLOW,
+ .flags = VPORT_F_REQUIRED | VPORT_F_FLOW,
.create = internal_dev_create,
.destroy = internal_dev_destroy,
- .set_mtu = netdev_set_mtu,
.set_addr = netdev_set_addr,
.get_name = netdev_get_name,
.get_addr = netdev_get_addr,