1#ifndef __LINUX_RTNETLINK_H
2#define __LINUX_RTNETLINK_H
3
4
5#include <linux/mutex.h>
6#include <linux/netdevice.h>
7#include <linux/wait.h>
8#include <uapi/linux/rtnetlink.h>
9
10extern int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, u32 group, int echo);
11extern int rtnl_unicast(struct sk_buff *skb, struct net *net, u32 pid);
12extern void rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid,
13 u32 group, struct nlmsghdr *nlh, gfp_t flags);
14extern void rtnl_set_sk_err(struct net *net, u32 group, int error);
15extern int rtnetlink_put_metrics(struct sk_buff *skb, u32 *metrics);
16extern int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst,
17 u32 id, long expires, u32 error);
18
19void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change, gfp_t flags);
20struct sk_buff *rtmsg_ifinfo_build_skb(int type, struct net_device *dev,
21 unsigned change, gfp_t flags);
22void rtmsg_ifinfo_send(struct sk_buff *skb, struct net_device *dev,
23 gfp_t flags);
24
25
26
27extern void rtnl_lock(void);
28extern void rtnl_unlock(void);
29extern int rtnl_trylock(void);
30extern int rtnl_is_locked(void);
31
32extern wait_queue_head_t netdev_unregistering_wq;
33extern struct mutex net_mutex;
34
35#ifdef CONFIG_PROVE_LOCKING
36extern int lockdep_rtnl_is_held(void);
37#else
38static inline int lockdep_rtnl_is_held(void)
39{
40 return 1;
41}
42#endif
43
44
45
46
47
48
49
50
51#define rcu_dereference_rtnl(p) \
52 rcu_dereference_check(p, lockdep_rtnl_is_held())
53
54
55
56
57
58
59
60
61#define rcu_dereference_bh_rtnl(p) \
62 rcu_dereference_bh_check(p, lockdep_rtnl_is_held())
63
64
65
66
67
68
69
70
71
72#define rtnl_dereference(p) \
73 rcu_dereference_protected(p, lockdep_rtnl_is_held())
74
75static inline struct netdev_queue *dev_ingress_queue(struct net_device *dev)
76{
77 return rtnl_dereference(dev->ingress_queue);
78}
79
80extern struct netdev_queue *dev_ingress_queue_create(struct net_device *dev);
81
82extern void rtnetlink_init(void);
83extern void __rtnl_unlock(void);
84
85#define ASSERT_RTNL() do { \
86 if (unlikely(!rtnl_is_locked())) { \
87 printk(KERN_ERR "RTNL: assertion failed at %s (%d)\n", \
88 __FILE__, __LINE__); \
89 dump_stack(); \
90 } \
91} while(0)
92
93extern int ndo_dflt_fdb_dump(struct sk_buff *skb,
94 struct netlink_callback *cb,
95 struct net_device *dev,
96 struct net_device *filter_dev,
97 int idx);
98extern int ndo_dflt_fdb_add(struct ndmsg *ndm,
99 struct nlattr *tb[],
100 struct net_device *dev,
101 const unsigned char *addr,
102 u16 vid,
103 u16 flags);
104extern int ndo_dflt_fdb_del(struct ndmsg *ndm,
105 struct nlattr *tb[],
106 struct net_device *dev,
107 const unsigned char *addr,
108 u16 vid);
109
110extern int ndo_dflt_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
111 struct net_device *dev, u16 mode,
112 u32 flags, u32 mask);
113#endif
114