blob: f65e8d250f7e78c8d483ddedd29c3fe5bf94bc30 [file] [log] [blame]
#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>
struct socket *macvtap_get_socket(struct file *);
#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_pcpu_stats - MACVLAN percpu stats
* @rx_packets: number of received packets
* @rx_bytes: number of received bytes
* @rx_multicast: number of received multicast packets
* @tx_packets: number of transmitted packets
* @tx_bytes: number of transmitted bytes
* @syncp: synchronization point for 64bit counters
* @rx_errors: number of rx errors
* @tx_dropped: number of tx dropped packets
struct macvlan_pcpu_stats {
u64 rx_packets;
u64 rx_bytes;
u64 rx_multicast;
u64 tx_packets;
u64 tx_bytes;
struct u64_stats_sync syncp;
u32 rx_errors;
u32 tx_dropped;
* Maximum times a macvtap device can be opened. This can be used to
* configure the number of receive queue, e.g. for multiqueue virtio.
#define MAX_MACVTAP_QUEUES (NR_CPUS < 16 ? NR_CPUS : 16)
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_pcpu_stats __percpu *pcpu_stats;
enum macvlan_mode mode;
u16 flags;
int (*receive)(struct sk_buff *skb);
int (*forward)(struct net_device *dev, struct sk_buff *skb);
struct macvtap_queue *taps[MAX_MACVTAP_QUEUES];
int numvtaps;
int minor;
static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
unsigned int len, bool success,
bool multicast)
if (likely(success)) {
struct macvlan_pcpu_stats *pcpu_stats;
pcpu_stats = this_cpu_ptr(vlan->pcpu_stats);
pcpu_stats->rx_bytes += len;
if (multicast)
} else {
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 */