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 /** @} */
void nl_addr_put(struct nl_addr *addr)
Decrease the reference counter of an abstract address.
Definition: addr.c:533
void nl_cli_fatal(int err, const char *fmt,...)
Print error message and quit application.
Definition: utils.c:71