1 /*
2 * src/nl-class-list.c List Traffic Classes
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) 2010 Thomas Graf <tgraf@suug.ch>
10 */
11
12 #include <netlink/cli/utils.h>
13 #include <netlink/cli/tc.h>
14 #include <netlink/cli/class.h>
15 #include <netlink/cli/link.h>
16
17 static struct nl_sock *sock;
18
19 static struct nl_dump_params params = {
20 .dp_type = NL_DUMP_LINE,
21 };
22
print_usage(void)23 static void print_usage(void)
24 {
25 printf(
26 "Usage: nl-class-list [OPTION]...\n"
27 "\n"
28 "OPTIONS\n"
29 " --details Show details\n"
30 " --stats Show statistics\n"
31 " -h, --help Show this help\n"
32 " -v, --version Show versioning information\n"
33 "\n"
34 " -d, --dev=DEV Device the class is attached to. (default: all)\n"
35 " -p, --parent=ID Identifier of parent class.\n"
36 " -i, --id=ID Identifier.\n"
37 " -k, --kind=NAME Kind of class (e.g. pfifo_fast)\n"
38 "\n"
39 "EXAMPLE\n"
40 " # Display statistics of all classes on eth0\n"
41 " $ nl-class-list --stats --dev=eth0\n"
42 "\n"
43 );
44 exit(0);
45 }
46
__dump_class(int ifindex,struct rtnl_class * filter)47 static void __dump_class(int ifindex, struct rtnl_class *filter)
48 {
49 struct nl_cache *cache;
50
51 cache = nl_cli_class_alloc_cache(sock, ifindex);
52 nl_cache_dump_filter(cache, ¶ms, OBJ_CAST(filter));
53 }
54
dump_class(struct nl_object * obj,void * arg)55 static void dump_class(struct nl_object *obj, void *arg)
56 {
57 struct rtnl_link *link = nl_object_priv(obj);
58
59 __dump_class(rtnl_link_get_ifindex(link), arg);
60 }
61
main(int argc,char * argv[])62 int main(int argc, char *argv[])
63 {
64 struct rtnl_class *class;
65 struct rtnl_tc *tc;
66 struct nl_cache *link_cache;
67 int ifindex;
68
69 sock = nl_cli_alloc_socket();
70 nl_cli_connect(sock, NETLINK_ROUTE);
71 link_cache = nl_cli_link_alloc_cache(sock);
72 class = nl_cli_class_alloc();
73 tc = (struct rtnl_tc *) class;
74
75 params.dp_fd = stdout;
76
77 for (;;) {
78 int c, optidx = 0;
79 enum {
80 ARG_DETAILS = 257,
81 ARG_STATS = 258,
82 };
83 static struct option long_opts[] = {
84 { "details", 0, 0, ARG_DETAILS },
85 { "stats", 0, 0, ARG_STATS },
86 { "help", 0, 0, 'h' },
87 { "version", 0, 0, 'v' },
88 { "dev", 1, 0, 'd' },
89 { "parent", 1, 0, 'p' },
90 { "id", 1, 0, 'i' },
91 { "kind", 1, 0, 'k' },
92 { 0, 0, 0, 0 }
93 };
94
95 c = getopt_long(argc, argv, "hvd:p:i:k:", long_opts, &optidx);
96 if (c == -1)
97 break;
98
99 switch (c) {
100 case ARG_DETAILS: params.dp_type = NL_DUMP_DETAILS; break;
101 case ARG_STATS: params.dp_type = NL_DUMP_STATS; break;
102 case 'h': print_usage(); break;
103 case 'v': nl_cli_print_version(); break;
104 case 'd': nl_cli_tc_parse_dev(tc, link_cache, optarg); break;
105 case 'p': nl_cli_tc_parse_parent(tc, optarg); break;
106 case 'i': nl_cli_tc_parse_handle(tc, optarg, 0); break;
107 case 'k': nl_cli_tc_parse_kind(tc, optarg); break;
108 }
109 }
110
111 if ((ifindex = rtnl_tc_get_ifindex(tc)))
112 __dump_class(ifindex, class);
113 else
114 nl_cache_foreach(link_cache, dump_class, class);
115
116 return 0;
117 }
118