datapath: Add support for kernel 3.14.

[sliver-openvswitch.git] / datapath / linux / compat / include / linux / netdevice.h

diff --git a/datapath/linux/compat/include/linux/netdevice.h b/datapath/linux/compat/include/linux/netdevice.h
index c5c366b..d726390 100644 (file)
--- a/datapath/linux/compat/include/linux/netdevice.h
+++ b/datapath/linux/compat/include/linux/netdevice.h
@@ -2,6 +2,7 @@
 #define __LINUX_NETDEVICE_WRAPPER_H 1
 
 #include_next <linux/netdevice.h>
+#include <linux/if_bridge.h>
 
 struct net;
 
@@ -11,11 +12,6 @@ struct net;
 #define to_net_dev(class) container_of(class, struct net_device, NETDEV_DEV_MEMBER)
 #endif
 
-#ifdef HAVE_RHEL_OVS_HOOK
-extern struct sk_buff *(*openvswitch_handle_frame_hook)(struct sk_buff *skb);
-extern int nr_bridges;
-#endif
-
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)
 extern void unregister_netdevice_queue(struct net_device *dev,
                                        struct list_head *head);
@@ -28,32 +24,23 @@ extern void dev_disable_lro(struct net_device *dev);
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36) || \
     defined HAVE_RHEL_OVS_HOOK
-static inline int netdev_rx_handler_register(struct net_device *dev,
-                                            void *rx_handler,
-                                            void *rx_handler_data)
-{
-#ifdef HAVE_RHEL_OVS_HOOK
-       rcu_assign_pointer(dev->ax25_ptr, rx_handler_data);
-       nr_bridges++;
-       rcu_assign_pointer(openvswitch_handle_frame_hook, rx_handler);
-#else
-       if (dev->br_port)
-               return -EBUSY;
-       rcu_assign_pointer(dev->br_port, rx_handler_data);
-#endif
-       return 0;
-}
-static inline void netdev_rx_handler_unregister(struct net_device *dev)
-{
+
 #ifdef HAVE_RHEL_OVS_HOOK
-       rcu_assign_pointer(dev->ax25_ptr, NULL);
+typedef struct sk_buff *(openvswitch_handle_frame_hook_t)(struct sk_buff *skb);
+extern openvswitch_handle_frame_hook_t *openvswitch_handle_frame_hook;
 
-       if (--nr_bridges <= 0)
-               rcu_assign_pointer(openvswitch_handle_frame_hook, NULL);
+int netdev_rx_handler_register(struct net_device *dev,
+                              openvswitch_handle_frame_hook_t *hook,
+                              void *rx_handler_data);
 #else
-       rcu_assign_pointer(dev->br_port, NULL);
+
+int netdev_rx_handler_register(struct net_device *dev,
+                              struct sk_buff *(*netdev_hook)(struct net_bridge_port *p,
+                                                            struct sk_buff *skb),
+                              void *rx_handler_data);
 #endif
-}
+
+void netdev_rx_handler_unregister(struct net_device *dev);
 #endif
 
 #ifndef HAVE_DEV_GET_BY_INDEX_RCU
@@ -73,12 +60,17 @@ static inline struct net_device *dev_get_by_index_rcu(struct net *net, int ifind
 #define NETIF_F_FSO 0
 #endif
 
+#ifndef HAVE_NETDEV_FEATURES_T
+typedef u32 netdev_features_t;
+#endif
+
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)
 #define skb_gso_segment rpl_skb_gso_segment
-struct sk_buff *rpl_skb_gso_segment(struct sk_buff *skb, u32 features);
+struct sk_buff *rpl_skb_gso_segment(struct sk_buff *skb,
+                                    netdev_features_t features);
 
 #define netif_skb_features rpl_netif_skb_features
-u32 rpl_netif_skb_features(struct sk_buff *skb);
+netdev_features_t rpl_netif_skb_features(struct sk_buff *skb);
 
 #define netif_needs_gso rpl_netif_needs_gso
 static inline int rpl_netif_needs_gso(struct sk_buff *skb, int features)
@@ -88,10 +80,6 @@ static inline int rpl_netif_needs_gso(struct sk_buff *skb, int features)
 }
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0)
-typedef u32 netdev_features_t;
-#endif
-
 #ifndef HAVE___SKB_GSO_SEGMENT
 static inline struct sk_buff *__skb_gso_segment(struct sk_buff *skb,
                                                netdev_features_t features,
@@ -137,4 +125,17 @@ static inline struct net_device *netdev_notifier_info_to_dev(void *info)
 }
 #endif
 
+#ifndef HAVE_PCPU_SW_NETSTATS
+
+#include <linux/u64_stats_sync.h>
+
+struct pcpu_sw_netstats {
+       u64     rx_packets;
+       u64     rx_bytes;
+       u64     tx_packets;
+       u64     tx_bytes;
+       struct u64_stats_sync   syncp;
+};
+#endif
+
 #endif