static int netdev_init(void) { return 0; }
static void netdev_exit(void) { }
#else
-static int netdev_init(void)
+static int port_count;
+
+static void netdev_init(void)
{
+ port_count++;
+ if (port_count > 1)
+ return;
+
/* Hook into callback used by the bridge to intercept packets.
* Parasites we are. */
br_handle_frame_hook = netdev_frame_hook;
- return 0;
+ return;
}
static void netdev_exit(void)
{
+ port_count--;
+ if (port_count > 0)
+ return;
+
br_handle_frame_hook = NULL;
}
#endif
netdev_vport->dev->priv_flags |= IFF_OVS_DATAPATH;
rtnl_unlock();
+ netdev_init();
return vport;
#ifndef HAVE_RHEL_OVS_HOOK
{
struct netdev_vport *netdev_vport = netdev_vport_priv(vport);
+ netdev_exit();
rtnl_lock();
netdev_vport->dev->priv_flags &= ~IFF_OVS_DATAPATH;
netdev_rx_handler_unregister(netdev_vport->dev);
if (unlikely(!skb))
return;
- skb_push(skb, ETH_HLEN);
-
if (unlikely(compute_ip_summed(skb, false)))
goto error;
+ skb_push(skb, ETH_HLEN);
+ ovs_skb_postpush_rcsum(skb, skb->data, ETH_HLEN);
+
vlan_copy_skb_tci(skb);
- ovs_vport_receive(vport, skb);
+ ovs_vport_receive(vport, skb, NULL);
return;
error:
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;
nskb = skb_gso_segment(skb, features);
if (!nskb) {
if (unlikely(skb_cloned(skb) &&
- pskb_expand_head(skb, 0, 0, GFP_ATOMIC))) {
- kfree_skb(skb);
- return 0;
- }
+ pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
+ goto drop;
skb_shinfo(skb)->gso_type &= ~SKB_GSO_DODGY;
goto tag;
}
- if (IS_ERR(nskb)) {
- kfree_skb(skb);
- return 0;
- }
+ if (IS_ERR(nskb))
+ goto drop;
consume_skb(skb);
skb = nskb;
return len;
-error:
+drop:
kfree_skb(skb);
- ovs_vport_record_error(vport, VPORT_E_TX_DROPPED);
return 0;
}
const struct vport_ops ovs_netdev_vport_ops = {
.type = OVS_VPORT_TYPE_NETDEV,
- .flags = VPORT_F_REQUIRED,
- .init = netdev_init,
- .exit = netdev_exit,
.create = netdev_create,
.destroy = netdev_destroy,
.get_name = ovs_netdev_get_name,