1/*
2 * src/ nl-neigh-add.c     Add a neighbour
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) 2003-2009 Thomas Graf <tgraf@suug.ch>
10 */
11
12#include <netlink/cli/utils.h>
13#include <netlink/cli/neigh.h>
14#include <netlink/cli/link.h>
15
16static int quiet = 0;
17
18static void print_usage(void)
19{
20	printf(
21	"Usage: nl-neigh-add [OPTION]... NEIGHBOUR\n"
22	"\n"
23	"Options\n"
24	"     --update-only     Do not create neighbour, updates exclusively\n"
25	"     --create-only     Do not update neighbour if it exists already.\n"
26	" -q, --quiet           Do not print informal notifications\n"
27	" -h, --help            Show this help\n"
28	" -v, --version         Show versioning information\n"
29	"\n"
30	"Neighbour Options\n"
31	" -a, --addr=ADDR       Destination address of neighbour\n"
32	" -l, --lladdr=ADDR     Link layer address of neighbour\n"
33	" -d, --dev=DEV         Device the neighbour is connected to\n"
34	"     --state=STATE     Neighbour state, (default = permanent)\n"
35	"\n"
36	"Example\n"
37	"  nl-neigh-add --create-only --addr=10.0.0.1 --dev=eth0 \\\n"
38	"               --lladdr=AA:BB:CC:DD:EE:FF\n"
39	);
40
41	exit(0);
42}
43
44int main(int argc, char *argv[])
45{
46	struct nl_sock *sock;
47	struct rtnl_neigh *neigh;
48	struct nl_cache *link_cache;
49	struct nl_dump_params dp = {
50		.dp_type = NL_DUMP_LINE,
51		.dp_fd = stdout,
52	};
53	int err, ok = 0, nlflags = NLM_F_REPLACE | NLM_F_CREATE;
54
55	sock = nl_cli_alloc_socket();
56	nl_cli_connect(sock, NETLINK_ROUTE);
57	link_cache = nl_cli_link_alloc_cache(sock);
58 	neigh = nl_cli_neigh_alloc();
59
60	for (;;) {
61		int c, optidx = 0;
62		enum {
63			ARG_UPDATE_ONLY = 257,
64			ARG_CREATE_ONLY = 258,
65			ARG_STATE,
66		};
67		static struct option long_opts[] = {
68			{ "update-only", 0, 0, ARG_UPDATE_ONLY },
69			{ "create-only", 0, 0, ARG_CREATE_ONLY },
70			{ "quiet", 0, 0, 'q' },
71			{ "help", 0, 0, 'h' },
72			{ "version", 0, 0, 'v' },
73			{ "addr", 1, 0, 'a' },
74			{ "lladdr", 1, 0, 'l' },
75			{ "dev", 1, 0, 'd' },
76			{ "state", 1, 0, ARG_STATE },
77			{ 0, 0, 0, 0 }
78		};
79
80		c = getopt_long(argc, argv, "qhva:l:d:", long_opts, &optidx);
81		if (c == -1)
82			break;
83
84		switch (c) {
85		case ARG_UPDATE_ONLY: nlflags &= ~NLM_F_CREATE; break;
86		case ARG_CREATE_ONLY: nlflags |= NLM_F_EXCL; break;
87		case 'q': quiet = 1; break;
88		case 'h': print_usage(); break;
89		case 'v': nl_cli_print_version(); break;
90		case 'a': ok++; nl_cli_neigh_parse_dst(neigh, optarg); break;
91		case 'l': nl_cli_neigh_parse_lladdr(neigh, optarg); break;
92		case 'd': nl_cli_neigh_parse_dev(neigh, link_cache, optarg); break;
93		case ARG_STATE: nl_cli_neigh_parse_state(neigh, optarg); break;
94		}
95 	}
96
97	if (!ok)
98		print_usage();
99
100	if ((err = rtnl_neigh_add(sock, neigh, nlflags)) < 0)
101		nl_cli_fatal(err, "Unable to add neighbour: %s",
102			     nl_geterror(err));
103
104	if (!quiet) {
105		printf("Added ");
106		nl_object_dump(OBJ_CAST(neigh), &dp);
107 	}
108
109	return 0;
110}
111