1 files changed, 89 insertions, 1 deletions

diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index 5f200bac3749..35280b302290 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -1,6 +1,94 @@
 #ifndef _LINUX_IF_MACVLAN_H
 #define _LINUX_IF_MACVLAN_H
 
-extern struct sk_buff *(*macvlan_handle_frame_hook)(struct sk_buff *);
+#include <linux/if_link.h>
+#include <linux/list.h>
+#include <linux/netdevice.h>
+#include <linux/netlink.h>
+#include <net/netlink.h>
+#include <linux/u64_stats_sync.h>
+
+#if defined(CONFIG_MACVTAP) || defined(CONFIG_MACVTAP_MODULE)
+struct socket *macvtap_get_socket(struct file *);
+#else
+#include <linux/err.h>
+#include <linux/errno.h>
+struct file;
+struct socket;
+static inline struct socket *macvtap_get_socket(struct file *f)
+{
+        return ERR_PTR(-EINVAL);
+}
+#endif /* CONFIG_MACVTAP */
+
+struct macvlan_port;
+struct macvtap_queue;
+
+/**
+ *      struct macvlan_rx_stats - MACVLAN percpu rx stats
+ *      @rx_packets: number of received packets
+ *      @rx_bytes: number of received bytes
+ *      @rx_multicast: number of received multicast packets
+ *      @syncp: synchronization point for 64bit counters
+ *      @rx_errors: number of errors
+ */
+struct macvlan_rx_stats {
+        u64                     rx_packets;
+        u64                     rx_bytes;
+        u64                     rx_multicast;
+        struct u64_stats_sync   syncp;
+        unsigned long           rx_errors;
+};
+
+struct macvlan_dev {
+        struct net_device       *dev;
+        struct list_head        list;
+        struct hlist_node       hlist;
+        struct macvlan_port     *port;
+        struct net_device       *lowerdev;
+        struct macvlan_rx_stats __percpu *rx_stats;
+        enum macvlan_mode       mode;
+        int (*receive)(struct sk_buff *skb);
+        int (*forward)(struct net_device *dev, struct sk_buff *skb);
+        struct macvtap_queue    *tap;
+};
+
+static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
+                                    unsigned int len, bool success,
+                                    bool multicast)
+{
+        struct macvlan_rx_stats *rx_stats;
+
+        rx_stats = this_cpu_ptr(vlan->rx_stats);
+        if (likely(success)) {
+                u64_stats_update_begin(&rx_stats->syncp);
+                rx_stats->rx_packets++;;
+                rx_stats->rx_bytes += len;
+                if (multicast)
+                        rx_stats->rx_multicast++;
+                u64_stats_update_end(&rx_stats->syncp);
+        } else {
+                rx_stats->rx_errors++;
+        }
+}
+
+extern void macvlan_common_setup(struct net_device *dev);
+
+extern int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
+                                  struct nlattr *tb[], struct nlattr *data[],
+                                  int (*receive)(struct sk_buff *skb),
+                                  int (*forward)(struct net_device *dev,
+                                                 struct sk_buff *skb));
+
+extern void macvlan_count_rx(const struct macvlan_dev *vlan,
+                             unsigned int len, bool success,
+                             bool multicast);
+
+extern void macvlan_dellink(struct net_device *dev, struct list_head *head);
+
+extern int macvlan_link_register(struct rtnl_link_ops *ops);
+
+extern netdev_tx_t macvlan_start_xmit(struct sk_buff *skb,
+                                      struct net_device *dev);
 
 #endif /* _LINUX_IF_MACVLAN_H */