libnl: /data/src/libnl3/src/lib/neigh.c Source File

libnl 3.7.0

neigh.c
1 /* SPDX-License-Identifier: LGPL-2.1-only */
2 /*
3 * Copyright (c) 2008-2009 Thomas Graf <tgraf@suug.ch>
4 */
5
6 /**
7 * @ingroup cli
8 * @defgroup cli_neigh Neighbour
9 *
10 * @{
11 */
12
13 #include <netlink/cli/utils.h>
14 #include <netlink/cli/neigh.h>
15
16 struct rtnl_neigh *nl_cli_neigh_alloc(void)
17 {
18 struct rtnl_neigh *neigh;
19
20 neigh = rtnl_neigh_alloc();
21 if (!neigh)
22 nl_cli_fatal(ENOMEM, "Unable to allocate neighbour object");
23
24 return neigh;
25 }
26
27 void nl_cli_neigh_parse_dst(struct rtnl_neigh *neigh, char *arg)
28 {
29 struct nl_addr *a;
30 int err;
31
32 a = nl_cli_addr_parse(arg, rtnl_neigh_get_family(neigh));
33 if ((err = rtnl_neigh_set_dst(neigh, a)) < 0)
34 nl_cli_fatal(err, "Unable to set local address: %s",
35 nl_geterror(err));
36
37 nl_addr_put(a);
38 }
39
40 void nl_cli_neigh_parse_lladdr(struct rtnl_neigh *neigh, char *arg)
41 {
42 struct nl_addr *a;
43
44 a = nl_cli_addr_parse(arg, AF_UNSPEC);
45 rtnl_neigh_set_lladdr(neigh, a);
46 nl_addr_put(a);
47 }
48
49 void nl_cli_neigh_parse_dev(struct rtnl_neigh *neigh,
50 struct nl_cache *link_cache, char *arg)
51 {
52 int ival;
53
54 if (!(ival = rtnl_link_name2i(link_cache, arg)))
55 nl_cli_fatal(ENOENT, "Link \"%s\" does not exist", arg);
56
57 rtnl_neigh_set_ifindex(neigh, ival);
58 }
59
60 void nl_cli_neigh_parse_family(struct rtnl_neigh *neigh, char *arg)
61 {
62 int family;
63
64 if ((family = nl_str2af(arg)) == AF_UNSPEC)
65 nl_cli_fatal(EINVAL,
66 "Unable to translate address family \"%s\"", arg);
67
68 rtnl_neigh_set_family(neigh, family);
69 }
70
71 void nl_cli_neigh_parse_state(struct rtnl_neigh *neigh, char *arg)
72 {
73 int state;
74
75 if ((state = rtnl_neigh_str2state(arg)) < 0)
76 nl_cli_fatal(state, "Unable to translate state \"%s\": %s",
77 arg, state);
78
79 rtnl_neigh_set_state(neigh, state);
80 }
81
82 /** @} */
nl_addr_put
void nl_addr_put(struct nl_addr *addr)
Decrease the reference counter of an abstract address.
Definition: addr.c:533
nl_cli_fatal
void nl_cli_fatal(int err, const char *fmt,...)
Print error message and quit application.
Definition: utils.c:71
rtnl_link_name2i
int rtnl_link_name2i(struct nl_cache *cache, const char *name)
Translate link name to corresponding interface index.
Definition: link.c:1496