1 #include <linux/if_bridge.h>
2 #include <linux/netdevice.h>
3 #include <linux/version.h>
5 #ifndef HAVE_DEV_DISABLE_LRO
8 #include <linux/ethtool.h>
11 * dev_disable_lro - disable Large Receive Offload on a device
14 * Disable Large Receive Offload (LRO) on a net device. Must be
15 * called under RTNL. This is needed if received packets may be
16 * forwarded to another interface.
18 void dev_disable_lro(struct net_device *dev)
20 if (dev->ethtool_ops && dev->ethtool_ops->get_flags &&
21 dev->ethtool_ops->set_flags) {
22 u32 flags = dev->ethtool_ops->get_flags(dev);
23 if (flags & ETH_FLAG_LRO) {
24 flags &= ~ETH_FLAG_LRO;
25 dev->ethtool_ops->set_flags(dev, flags);
28 WARN_ON(dev->features & NETIF_F_LRO);
31 void dev_disable_lro(struct net_device *dev) { }
32 #endif /* NETIF_F_LRO */
34 #endif /* HAVE_DEV_DISABLE_LRO */
36 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36) || \
37 defined HAVE_RHEL_OVS_HOOK
39 static int nr_bridges;
41 #ifdef HAVE_RHEL_OVS_HOOK
42 int netdev_rx_handler_register(struct net_device *dev,
43 openvswitch_handle_frame_hook_t *hook,
44 void *rx_handler_data)
47 rcu_assign_pointer(dev->ax25_ptr, rx_handler_data);
50 rcu_assign_pointer(openvswitch_handle_frame_hook, hook);
55 int netdev_rx_handler_register(struct net_device *dev,
56 struct sk_buff *(*hook)(struct net_bridge_port *p,
58 void *rx_handler_data)
64 rcu_assign_pointer(dev->br_port, rx_handler_data);
67 br_handle_frame_hook = hook;
72 void netdev_rx_handler_unregister(struct net_device *dev)
75 #ifdef HAVE_RHEL_OVS_HOOK
76 rcu_assign_pointer(dev->ax25_ptr, NULL);
81 rcu_assign_pointer(openvswitch_handle_frame_hook, NULL);
83 rcu_assign_pointer(dev->br_port, NULL);
88 br_handle_frame_hook = NULL;