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