summaryrefslogtreecommitdiffstats
path: root/include/linux/if_macvlan.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/if_macvlan.h')
-rw-r--r--include/linux/if_macvlan.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index 5f200bac374..b78a712247d 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -1,6 +1,90 @@
#ifndef _LINUX_IF_MACVLAN_H
#define _LINUX_IF_MACVLAN_H
+#include <linux/if_link.h>
+#include <linux/list.h>
+#include <linux/netdevice.h>
+#include <linux/netlink.h>
+#include <net/netlink.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
+ * @multicast: number of received multicast packets
+ * @rx_errors: number of errors
+ */
+struct macvlan_rx_stats {
+ unsigned long rx_packets;
+ unsigned long rx_bytes;
+ unsigned long multicast;
+ 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 = per_cpu_ptr(vlan->rx_stats, smp_processor_id());
+ if (likely(success)) {
+ rx_stats->rx_packets++;;
+ rx_stats->rx_bytes += len;
+ if (multicast)
+ rx_stats->multicast++;
+ } else {
+ rx_stats->rx_errors++;
+ }
+}
+
+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);
+
+
extern struct sk_buff *(*macvlan_handle_frame_hook)(struct sk_buff *);
#endif /* _LINUX_IF_MACVLAN_H */