git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 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> | |
| bc66154e | 9 | #include <linux/u64_stats_sync.h> |
| fc0663d6 | 10 | |
| 501c774c AB |
11 | #if defined(CONFIG_MACVTAP) || defined(CONFIG_MACVTAP_MODULE) |
| 12 | struct socket *macvtap_get_socket(struct file *); | |
| 13 | #else | |
| 14 | #include <linux/err.h> | |
| 15 | #include <linux/errno.h> | |
| 16 | struct file; | |
| 17 | struct socket; | |
| 18 | static inline struct socket *macvtap_get_socket(struct file *f) | |
| 19 | { | |
| 20 | return ERR_PTR(-EINVAL); | |
| 21 | } | |
| 22 | #endif /* CONFIG_MACVTAP */ | |
| 23 | ||
| fc0663d6 AB |
24 | struct macvlan_port; |
| 25 | struct macvtap_queue; | |
| 26 | ||
| 27 | /** | |
| 28 | * struct macvlan_rx_stats - MACVLAN percpu rx stats | |
| 29 | * @rx_packets: number of received packets | |
| 30 | * @rx_bytes: number of received bytes | |
| bc66154e ED |
31 | * @rx_multicast: number of received multicast packets |
| 32 | * @syncp: synchronization point for 64bit counters | |
| fc0663d6 AB |
33 | * @rx_errors: number of errors |
| 34 | */ | |
| 35 | struct macvlan_rx_stats { | |
| bc66154e ED |
36 | u64 rx_packets; |
| 37 | u64 rx_bytes; | |
| 38 | u64 rx_multicast; | |
| 39 | struct u64_stats_sync syncp; | |
| 40 | unsigned long rx_errors; | |
| fc0663d6 AB |
41 | }; |
| 42 | ||
| 43 | struct macvlan_dev { | |
| 44 | struct net_device *dev; | |
| 45 | struct list_head list; | |
| 46 | struct hlist_node hlist; | |
| 47 | struct macvlan_port *port; | |
| 48 | struct net_device *lowerdev; | |
| 47d74275 | 49 | struct macvlan_rx_stats __percpu *rx_stats; |
| fc0663d6 AB |
50 | enum macvlan_mode mode; |
| 51 | int (*receive)(struct sk_buff *skb); | |
| 52 | int (*forward)(struct net_device *dev, struct sk_buff *skb); | |
| 20d29d7a | 53 | struct macvtap_queue *tap; |
| fc0663d6 AB |
54 | }; |
| 55 | ||
| 56 | static inline void macvlan_count_rx(const struct macvlan_dev *vlan, | |
| 57 | unsigned int len, bool success, | |
| 58 | bool multicast) | |
| 59 | { | |
| 60 | struct macvlan_rx_stats *rx_stats; | |
| 61 | ||
| bc66154e | 62 | rx_stats = this_cpu_ptr(vlan->rx_stats); |
| fc0663d6 | 63 | if (likely(success)) { |
| bc66154e | 64 | u64_stats_update_begin(&rx_stats->syncp); |
| fc0663d6 AB |
65 | rx_stats->rx_packets++;; |
| 66 | rx_stats->rx_bytes += len; | |
| 67 | if (multicast) | |
| bc66154e ED |
68 | rx_stats->rx_multicast++; |
| 69 | u64_stats_update_end(&rx_stats->syncp); | |
| fc0663d6 AB |
70 | } else { |
| 71 | rx_stats->rx_errors++; | |
| 72 | } | |
| 73 | } | |
| 74 | ||
| 8a35747a HX |
75 | extern void macvlan_common_setup(struct net_device *dev); |
| 76 | ||
| fc0663d6 AB |
77 | extern int macvlan_common_newlink(struct net *src_net, struct net_device *dev, |
| 78 | struct nlattr *tb[], struct nlattr *data[], | |
| 79 | int (*receive)(struct sk_buff *skb), | |
| 80 | int (*forward)(struct net_device *dev, | |
| 81 | struct sk_buff *skb)); | |
| 82 | ||
| 83 | extern void macvlan_count_rx(const struct macvlan_dev *vlan, | |
| 84 | unsigned int len, bool success, | |
| 85 | bool multicast); | |
| 86 | ||
| 87 | extern void macvlan_dellink(struct net_device *dev, struct list_head *head); | |
| 88 | ||
| 89 | extern int macvlan_link_register(struct rtnl_link_ops *ops); | |
| 90 | ||
| 91 | extern netdev_tx_t macvlan_start_xmit(struct sk_buff *skb, | |
| 92 | struct net_device *dev); | |
| 93 | ||
| b863ceb7 | 94 | #endif /* _LINUX_IF_MACVLAN_H */ |