1extern int get_operstate(const char *name);
2extern int print_linkinfo(const struct sockaddr_nl *who,
3			  struct nlmsghdr *n,
4			  void *arg);
5extern int print_addrinfo(const struct sockaddr_nl *who,
6			  struct nlmsghdr *n,
7			  void *arg);
8extern int print_addrlabel(const struct sockaddr_nl *who,
9			   struct nlmsghdr *n, void *arg);
10extern int print_neigh(const struct sockaddr_nl *who,
11		       struct nlmsghdr *n, void *arg);
12extern int print_ntable(const struct sockaddr_nl *who,
13			struct nlmsghdr *n, void *arg);
14extern int ipaddr_list(int argc, char **argv);
15extern int ipaddr_list_link(int argc, char **argv);
16extern int iproute_monitor(int argc, char **argv);
17extern void iplink_usage(void) __attribute__((noreturn));
18extern void iproute_reset_filter(void);
19extern void ipaddr_reset_filter(int);
20extern void ipneigh_reset_filter(void);
21extern void ipntable_reset_filter(void);
22extern int print_route(const struct sockaddr_nl *who,
23		       struct nlmsghdr *n, void *arg);
24extern int print_prefix(const struct sockaddr_nl *who,
25			struct nlmsghdr *n, void *arg);
26extern int print_rule(const struct sockaddr_nl *who,
27		      struct nlmsghdr *n, void *arg);
28extern int do_ipaddr(int argc, char **argv);
29extern int do_ipaddrlabel(int argc, char **argv);
30extern int do_iproute(int argc, char **argv);
31extern int do_iprule(int argc, char **argv);
32extern int do_ipneigh(int argc, char **argv);
33extern int do_ipntable(int argc, char **argv);
34extern int do_iptunnel(int argc, char **argv);
35extern int do_ip6tunnel(int argc, char **argv);
36extern int do_iptuntap(int argc, char **argv);
37extern int do_iplink(int argc, char **argv);
38extern int do_ipmonitor(int argc, char **argv);
39extern int do_multiaddr(int argc, char **argv);
40extern int do_multiroute(int argc, char **argv);
41extern int do_multirule(int argc, char **argv);
42extern int do_netns(int argc, char **argv);
43extern int do_xfrm(int argc, char **argv);
44extern int do_ipl2tp(int argc, char **argv);
45
46static inline int rtm_get_table(struct rtmsg *r, struct rtattr **tb)
47{
48	__u32 table = r->rtm_table;
49	if (tb[RTA_TABLE])
50		table = rta_getattr_u32(tb[RTA_TABLE]);
51	return table;
52}
53
54extern struct rtnl_handle rth;
55
56struct link_util
57{
58	struct link_util	*next;
59	const char		*id;
60	int			maxattr;
61	int			(*parse_opt)(struct link_util *, int, char **,
62					     struct nlmsghdr *);
63	void			(*print_opt)(struct link_util *, FILE *,
64					     struct rtattr *[]);
65	void			(*print_xstats)(struct link_util *, FILE *,
66					     struct rtattr *);
67};
68
69struct link_util *get_link_kind(const char *kind);
70int get_netns_fd(const char *name);
71
72#ifndef	INFINITY_LIFE_TIME
73#define     INFINITY_LIFE_TIME      0xFFFFFFFFU
74#endif
75