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gerrit-public.fairphone.software / kernel / msm-4.9 / b9e4e3bd0495fea9e8f8e712889c9cd8ffa43c94 / . / include / linux / if_macvlan.h
blob: 1ffaeffeff740f83e3e79b5d6e03b306410d6b3f [file] [log] [blame]
Patrick McHardyb863ceb2007-07-14 18:55:06 -0700[diff] [blame]1#ifndef _LINUX_IF_MACVLAN_H
2#define _LINUX_IF_MACVLAN_H
3
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]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
Arnd Bergmann501c7742010-02-18 05:46:50 +0000[diff] [blame]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
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]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;
Tejun Heo47d74272010-02-16 15:21:08 +0000[diff] [blame]46 struct macvlan_rx_stats __percpu *rx_stats;
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]47 enum macvlan_mode mode;
48 int (*receive)(struct sk_buff *skb);
49 int (*forward)(struct net_device *dev, struct sk_buff *skb);
Arnd Bergmann20d29d72010-01-30 12:24:26 +0000[diff] [blame]50 struct macvtap_queue *tap;
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]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
Herbert Xu8a357472010-07-21 21:44:31 +0000[diff] [blame]70extern void macvlan_common_setup(struct net_device *dev);
71
Arnd Bergmannfc0663d2010-01-30 12:23:40 +0000[diff] [blame]72extern int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
73 struct nlattr *tb[], struct nlattr *data[],
74 int (*receive)(struct sk_buff *skb),
75 int (*forward)(struct net_device *dev,
76 struct sk_buff *skb));
77
78extern void macvlan_count_rx(const struct macvlan_dev *vlan,
79 unsigned int len, bool success,
80 bool multicast);
81
82extern void macvlan_dellink(struct net_device *dev, struct list_head *head);
83
84extern int macvlan_link_register(struct rtnl_link_ops *ops);
85
86extern netdev_tx_t macvlan_start_xmit(struct sk_buff *skb,
87 struct net_device *dev);
88
89
Jiri Pirkoa14462f2010-05-06 01:33:53 +0000[diff] [blame]90extern struct sk_buff *(*macvlan_handle_frame_hook)(struct macvlan_port *,
91 struct sk_buff *);
Patrick McHardyb863ceb2007-07-14 18:55:06 -0700[diff] [blame]92
Patrick McHardyb863ceb2007-07-14 18:55:06 -0700[diff] [blame]93#endif /* _LINUX_IF_MACVLAN_H */