1 /*
2 * src/nl-link-dump.c Dump link attributes
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) 2003-2010 Thomas Graf <tgraf@suug.ch>
10 */
11
12 #include <netlink/cli/utils.h>
13 #include <netlink/cli/link.h>
14
print_usage(void)15 static void print_usage(void)
16 {
17 printf(
18 "Usage: nl-link-list [OPTIONS]... \n"
19 "\n"
20 "OPTIONS\n"
21 " --details Show detailed information of each link\n"
22 " --stats Show statistics, implies --details\n"
23 " -h, --help Show this help text.\n"
24 " -v, --version Show versioning information.\n"
25 "\n"
26 " -n, --name=NAME Name of link\n"
27 " -i, --index Interface index (unique identifier)\n"
28 " --family=NAME Link address family\n"
29 " --mtu=NUM MTU value\n"
30 " --txqlen=NUM TX queue length\n"
31 " --weight=NUM Weight\n"
32 );
33 exit(0);
34 }
35
main(int argc,char * argv[])36 int main(int argc, char *argv[])
37 {
38 struct nl_sock *sock;
39 struct nl_cache *link_cache;
40 struct rtnl_link *link;
41 struct nl_dump_params params = {
42 .dp_type = NL_DUMP_LINE,
43 .dp_fd = stdout,
44 };
45
46 sock = nl_cli_alloc_socket();
47 nl_cli_connect(sock, NETLINK_ROUTE);
48 link = nl_cli_link_alloc();
49
50 for (;;) {
51 int c, optidx = 0;
52 enum {
53 ARG_FAMILY = 257,
54 ARG_MTU = 258,
55 ARG_TXQLEN,
56 ARG_WEIGHT,
57 ARG_DETAILS,
58 ARG_STATS,
59 };
60 static struct option long_opts[] = {
61 { "details", 0, 0, ARG_DETAILS },
62 { "stats", 0, 0, ARG_STATS },
63 { "help", 0, 0, 'h' },
64 { "version", 0, 0, 'v' },
65 { "name", 1, 0, 'n' },
66 { "index", 1, 0, 'i' },
67 { "family", 1, 0, ARG_FAMILY },
68 { "mtu", 1, 0, ARG_MTU },
69 { "txqlen", 1, 0, ARG_TXQLEN },
70 { "weight", 1, 0, ARG_WEIGHT },
71 { 0, 0, 0, 0 }
72 };
73
74 c = getopt_long(argc, argv, "hvn:i:", long_opts, &optidx);
75 if (c == -1)
76 break;
77
78 switch (c) {
79 case ARG_DETAILS: params.dp_type = NL_DUMP_DETAILS; break;
80 case ARG_STATS: params.dp_type = NL_DUMP_STATS; break;
81 case 'h': print_usage(); break;
82 case 'v': nl_cli_print_version(); break;
83 case 'n': nl_cli_link_parse_name(link, optarg); break;
84 case 'i': nl_cli_link_parse_ifindex(link, optarg); break;
85 case ARG_FAMILY: nl_cli_link_parse_family(link, optarg); break;
86 case ARG_MTU: nl_cli_link_parse_mtu(link, optarg); break;
87 case ARG_TXQLEN: nl_cli_link_parse_txqlen(link, optarg); break;
88 case ARG_WEIGHT: nl_cli_link_parse_weight(link, optarg); break;
89 }
90 }
91
92 link_cache = nl_cli_link_alloc_cache_family(sock,
93 rtnl_link_get_family(link));
94
95 nl_cache_dump_filter(link_cache, ¶ms, OBJ_CAST(link));
96
97 return 0;
98 }
99