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b863ceb7 PM |
1 | #ifndef _LINUX_IF_MACVLAN_H |
2 | #define _LINUX_IF_MACVLAN_H | |
3 | ||
fc0663d6 AB |
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 | ||
501c774c AB |
10 | #if defined(CONFIG_MACVTAP) || defined(CONFIG_MACVTAP_MODULE) |
11 | struct socket *macvtap_get_socket(struct file *); | |
12 | #else | |
13 | #include <linux/err.h> | |
14 | #include <linux/errno.h> | |
15 | struct file; | |
16 | struct socket; | |
17 | static inline struct socket *macvtap_get_socket(struct file *f) | |
18 | { | |
19 | return ERR_PTR(-EINVAL); | |
20 | } | |
21 | #endif /* CONFIG_MACVTAP */ | |
22 | ||
fc0663d6 AB |
23 | struct macvlan_port; |
24 | struct 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 | */ | |
33 | struct macvlan_rx_stats { | |
34 | unsigned long rx_packets; | |
35 | unsigned long rx_bytes; | |
36 | unsigned long multicast; | |
37 | unsigned long rx_errors; | |
38 | }; | |
39 | ||
40 | struct 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; | |
47d74275 | 46 | struct macvlan_rx_stats __percpu *rx_stats; |
fc0663d6 AB |
47 | enum macvlan_mode mode; |
48 | int (*receive)(struct sk_buff *skb); | |
49 | int (*forward)(struct net_device *dev, struct sk_buff *skb); | |
20d29d7a | 50 | struct macvtap_queue *tap; |
fc0663d6 AB |
51 | }; |
52 | ||
53 | static 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 | ||
70 | extern 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 | ||
76 | extern void macvlan_count_rx(const struct macvlan_dev *vlan, | |
77 | unsigned int len, bool success, | |
78 | bool multicast); | |
79 | ||
80 | extern void macvlan_dellink(struct net_device *dev, struct list_head *head); | |
81 | ||
82 | extern int macvlan_link_register(struct rtnl_link_ops *ops); | |
83 | ||
84 | extern netdev_tx_t macvlan_start_xmit(struct sk_buff *skb, | |
85 | struct net_device *dev); | |
86 | ||
87 | ||
a14462f1 JP |
88 | extern struct sk_buff *(*macvlan_handle_frame_hook)(struct macvlan_port *, |
89 | struct sk_buff *); | |
b863ceb7 | 90 | |
b863ceb7 | 91 | #endif /* _LINUX_IF_MACVLAN_H */ |