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-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 5f200bac3749..b78a712247da 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -1,6 +1,90 @@
1#ifndef _LINUX_IF_MACVLAN_H 1#ifndef _LINUX_IF_MACVLAN_H
2#define _LINUX_IF_MACVLAN_H 2#define _LINUX_IF_MACVLAN_H
3 3
4#include <linux/if_link.h>
5#include <linux/list.h>
6#include <linux/netdevice.h>
7#include <linux/netlink.h>
8#include <net/netlink.h>
9
10#if defined(CONFIG_MACVTAP) || defined(CONFIG_MACVTAP_MODULE)
11struct socket *macvtap_get_socket(struct file *);
12#else
13#include <linux/err.h>
14#include <linux/errno.h>
15struct file;
16struct socket;
17static inline struct socket *macvtap_get_socket(struct file *f)
18{
19 return ERR_PTR(-EINVAL);
20}
21#endif /* CONFIG_MACVTAP */
22
23struct macvlan_port;
24struct macvtap_queue;
25
26/**
27 * struct macvlan_rx_stats - MACVLAN percpu rx stats
28 * @rx_packets: number of received packets
29 * @rx_bytes: number of received bytes
30 * @multicast: number of received multicast packets
31 * @rx_errors: number of errors
32 */
33struct macvlan_rx_stats {
34 unsigned long rx_packets;
35 unsigned long rx_bytes;
36 unsigned long multicast;
37 unsigned long rx_errors;
38};
39
40struct macvlan_dev {
41 struct net_device *dev;
42 struct list_head list;
43 struct hlist_node hlist;
44 struct macvlan_port *port;
45 struct net_device *lowerdev;
46 struct macvlan_rx_stats __percpu *rx_stats;
47 enum macvlan_mode mode;
48 int (*receive)(struct sk_buff *skb);
49 int (*forward)(struct net_device *dev, struct sk_buff *skb);
50 struct macvtap_queue *tap;
51};
52
53static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
54 unsigned int len, bool success,
55 bool multicast)
56{
57 struct macvlan_rx_stats *rx_stats;
58
59 rx_stats = per_cpu_ptr(vlan->rx_stats, smp_processor_id());
60 if (likely(success)) {
61 rx_stats->rx_packets++;;
62 rx_stats->rx_bytes += len;
63 if (multicast)
64 rx_stats->multicast++;
65 } else {
66 rx_stats->rx_errors++;
67 }
68}
69
70extern int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
71 struct nlattr *tb[], struct nlattr *data[],
72 int (*receive)(struct sk_buff *skb),
73 int (*forward)(struct net_device *dev,
74 struct sk_buff *skb));
75
76extern void macvlan_count_rx(const struct macvlan_dev *vlan,
77 unsigned int len, bool success,
78 bool multicast);
79
80extern void macvlan_dellink(struct net_device *dev, struct list_head *head);
81
82extern int macvlan_link_register(struct rtnl_link_ops *ops);
83
84extern netdev_tx_t macvlan_start_xmit(struct sk_buff *skb,
85 struct net_device *dev);
86
87
4extern struct sk_buff *(*macvlan_handle_frame_hook)(struct sk_buff *); 88extern struct sk_buff *(*macvlan_handle_frame_hook)(struct sk_buff *);
5 89
6#endif /* _LINUX_IF_MACVLAN_H */ 90#endif /* _LINUX_IF_MACVLAN_H */