libnl  3.5.0
neigh.c
1 /* SPDX-License-Identifier: LGPL-2.1-only */
2 /*
3  * src/lib/neigh.c CLI Neighbour Helpers
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation version 2.1
8  * of the License.
9  *
10  * Copyright (c) 2008-2009 Thomas Graf <tgraf@suug.ch>
11  */
12 
13 /**
14  * @ingroup cli
15  * @defgroup cli_neigh Neighbour
16  *
17  * @{
18  */
19 
20 #include <netlink/cli/utils.h>
21 #include <netlink/cli/neigh.h>
22 
23 struct rtnl_neigh *nl_cli_neigh_alloc(void)
24 {
25  struct rtnl_neigh *neigh;
26 
27  neigh = rtnl_neigh_alloc();
28  if (!neigh)
29  nl_cli_fatal(ENOMEM, "Unable to allocate neighbour object");
30 
31  return neigh;
32 }
33 
34 void nl_cli_neigh_parse_dst(struct rtnl_neigh *neigh, char *arg)
35 {
36  struct nl_addr *a;
37  int err;
38 
39  a = nl_cli_addr_parse(arg, rtnl_neigh_get_family(neigh));
40  if ((err = rtnl_neigh_set_dst(neigh, a)) < 0)
41  nl_cli_fatal(err, "Unable to set local address: %s",
42  nl_geterror(err));
43 
44  nl_addr_put(a);
45 }
46 
47 void nl_cli_neigh_parse_lladdr(struct rtnl_neigh *neigh, char *arg)
48 {
49  struct nl_addr *a;
50 
51  a = nl_cli_addr_parse(arg, AF_UNSPEC);
52  rtnl_neigh_set_lladdr(neigh, a);
53  nl_addr_put(a);
54 }
55 
56 void nl_cli_neigh_parse_dev(struct rtnl_neigh *neigh,
57  struct nl_cache *link_cache, char *arg)
58 {
59  int ival;
60 
61  if (!(ival = rtnl_link_name2i(link_cache, arg)))
62  nl_cli_fatal(ENOENT, "Link \"%s\" does not exist", arg);
63 
64  rtnl_neigh_set_ifindex(neigh, ival);
65 }
66 
67 void nl_cli_neigh_parse_family(struct rtnl_neigh *neigh, char *arg)
68 {
69  int family;
70 
71  if ((family = nl_str2af(arg)) == AF_UNSPEC)
72  nl_cli_fatal(EINVAL,
73  "Unable to translate address family \"%s\"", arg);
74 
75  rtnl_neigh_set_family(neigh, family);
76 }
77 
78 void nl_cli_neigh_parse_state(struct rtnl_neigh *neigh, char *arg)
79 {
80  int state;
81 
82  if ((state = rtnl_neigh_str2state(arg)) < 0)
83  nl_cli_fatal(state, "Unable to translate state \"%s\": %s",
84  arg, state);
85 
86  rtnl_neigh_set_state(neigh, state);
87 }
88 
89 /** @} */
void nl_cli_fatal(int err, const char *fmt,...)
Print error message and quit application.
Definition: utils.c:78
void nl_addr_put(struct nl_addr *addr)
Decrease the reference counter of an abstract address.
Definition: addr.c:540