1 /*
2  * netlink/route/nexthop.h	Routing Nexthop
3  *
4  *	This library is free software; you can redistribute it and/or
5  *	modify it under the terms of the GNU Lesser General Public
6  *	License as published by the Free Software Foundation version 2.1
7  *	of the License.
8  *
9  * Copyright (c) 2003-2008 Thomas Graf <tgraf@suug.ch>
10  */
11 
12 #ifndef NETLINK_ROUTE_NEXTHOP_H_
13 #define NETLINK_ROUTE_NEXTHOP_H_
14 
15 #include <netlink/netlink.h>
16 #include <netlink/addr.h>
17 
18 #ifdef __cplusplus
19 extern "C" {
20 #endif
21 
22 struct rtnl_nexthop;
23 
24 enum {
25 	NH_DUMP_FROM_ONELINE = -2,
26 	NH_DUMP_FROM_DETAILS = -1,
27 	NH_DUMP_FROM_ENV = 0,
28 	/* > 0 reserved for nexthop index */
29 };
30 
31 extern struct rtnl_nexthop * rtnl_route_nh_alloc(void);
32 extern struct rtnl_nexthop * rtnl_route_nh_clone(struct rtnl_nexthop *);
33 extern void		rtnl_route_nh_free(struct rtnl_nexthop *);
34 
35 extern int		rtnl_route_nh_compare(struct rtnl_nexthop *,
36 					      struct rtnl_nexthop *,
37 					      uint32_t, int);
38 
39 extern void		rtnl_route_nh_dump(struct rtnl_nexthop *,
40 					   struct nl_dump_params *);
41 
42 extern void		rtnl_route_nh_set_weight(struct rtnl_nexthop *, uint8_t);
43 extern uint8_t		rtnl_route_nh_get_weight(struct rtnl_nexthop *);
44 extern void		rtnl_route_nh_set_ifindex(struct rtnl_nexthop *, int);
45 extern int		rtnl_route_nh_get_ifindex(struct rtnl_nexthop *);
46 extern void		rtnl_route_nh_set_gateway(struct rtnl_nexthop *,
47 						  struct nl_addr *);
48 extern struct nl_addr *	rtnl_route_nh_get_gateway(struct rtnl_nexthop *);
49 extern void		rtnl_route_nh_set_flags(struct rtnl_nexthop *,
50 						unsigned int);
51 extern void		rtnl_route_nh_unset_flags(struct rtnl_nexthop *,
52 						  unsigned int);
53 extern unsigned int	rtnl_route_nh_get_flags(struct rtnl_nexthop *);
54 extern void		rtnl_route_nh_set_realms(struct rtnl_nexthop *,
55 						 uint32_t);
56 extern uint32_t		rtnl_route_nh_get_realms(struct rtnl_nexthop *);
57 
58 extern char *		rtnl_route_nh_flags2str(int, char *, size_t);
59 extern int		rtnl_route_nh_str2flags(const char *);
60 
61 #ifdef __cplusplus
62 }
63 #endif
64 
65 #endif
66