1 /*
2 * src/nl-cls-list.c List classifiers
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) 2008-2010 Thomas Graf <tgraf@suug.ch>
10 */
11
12 #include <netlink/cli/utils.h>
13 #include <netlink/cli/tc.h>
14 #include <netlink/cli/cls.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-cls-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 classifier 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 classifier (e.g. basic, u32, fw)\n"
38 " --protocol=PROTO Protocol to match (default: all)\n"
39 " --prio=PRIO Priority (default: 0)\n"
40 "\n"
41 "EXAMPLE\n"
42 " # Display statistics of all classes on eth0\n"
43 " $ nl-cls-list --stats --dev=eth0\n"
44 "\n"
45 );
46 exit(0);
47 }
48
__dump_link(int ifindex,struct rtnl_cls * filter)49 static void __dump_link(int ifindex, struct rtnl_cls *filter)
50 {
51 struct nl_cache *cache;
52 uint32_t parent = rtnl_tc_get_parent((struct rtnl_tc *) filter);
53
54 cache = nl_cli_cls_alloc_cache(sock, ifindex, parent);
55 nl_cache_dump_filter(cache, ¶ms, OBJ_CAST(filter));
56 nl_cache_free(cache);
57 }
58
dump_link(struct nl_object * obj,void * arg)59 static void dump_link(struct nl_object *obj, void *arg)
60 {
61 struct rtnl_link *link = nl_object_priv(obj);
62
63 __dump_link(rtnl_link_get_ifindex(link), arg);
64 }
65
main(int argc,char * argv[])66 int main(int argc, char *argv[])
67 {
68 struct rtnl_cls *cls;
69 struct rtnl_tc *tc;
70 struct nl_cache *link_cache;
71 int ifindex;
72
73 sock = nl_cli_alloc_socket();
74 nl_cli_connect(sock, NETLINK_ROUTE);
75 link_cache = nl_cli_link_alloc_cache(sock);
76 cls = nl_cli_cls_alloc();
77 tc = (struct rtnl_tc *) cls;
78
79 params.dp_fd = stdout;
80
81 for (;;) {
82 int c, optidx = 0;
83 enum {
84 ARG_DETAILS = 257,
85 ARG_STATS = 258,
86 ARG_PROTO,
87 ARG_PRIO,
88 };
89 static struct option long_opts[] = {
90 { "details", 0, 0, ARG_DETAILS },
91 { "stats", 0, 0, ARG_STATS },
92 { "help", 0, 0, 'h' },
93 { "version", 0, 0, 'v' },
94 { "dev", 1, 0, 'd' },
95 { "parent", 1, 0, 'p' },
96 { "id", 1, 0, 'i' },
97 { "kind", 1, 0, 'k' },
98 { "proto", 1, 0, ARG_PROTO },
99 { "prio", 1, 0, ARG_PRIO },
100 { 0, 0, 0, 0 }
101 };
102
103 c = getopt_long(argc, argv, "hvd:p:i:k:", long_opts, &optidx);
104 if (c == -1)
105 break;
106
107 switch (c) {
108 case ARG_DETAILS: params.dp_type = NL_DUMP_DETAILS; break;
109 case ARG_STATS: params.dp_type = NL_DUMP_STATS; break;
110 case 'h': print_usage(); break;
111 case 'v': nl_cli_print_version(); break;
112 case 'd': nl_cli_tc_parse_dev(tc, link_cache, optarg); break;
113 case 'p': nl_cli_tc_parse_parent(tc, optarg); break;
114 case 'i': nl_cli_tc_parse_handle(tc, optarg, 0); break;
115 case 'k': nl_cli_tc_parse_kind(tc, optarg); break;
116 case ARG_PROTO: nl_cli_cls_parse_proto(cls, optarg); break;
117 case ARG_PRIO:
118 rtnl_cls_set_prio(cls, nl_cli_parse_u32(optarg));
119 break;
120 }
121 }
122
123 if ((ifindex = rtnl_tc_get_ifindex(tc)))
124 __dump_link(ifindex, cls);
125 else
126 nl_cache_foreach(link_cache, dump_link, cls);
127
128 return 0;
129 }
130