libnl: /data/src/libnl/lib/cli/cls/cgroup.c Source File

libnl 3.12.0

cgroup.c
1/* SPDX-License-Identifier: LGPL-2.1-only */
2/*
3 * Copyright (c) 2010-2011 Thomas Graf <tgraf@suug.ch>
4 */
5
6#include "nl-default.h"
7
8#include <netlink/cli/utils.h>
9#include <netlink/cli/tc.h>
10#include <netlink/cli/cls.h>
11#include <netlink/route/cls/cgroup.h>
12
13static void print_usage(void)
14{
15 printf(
16"Usage: nl-cls-add [...] cgroup [OPTIONS]...\n"
17"\n"
18"OPTIONS\n"
19" -h, --help Show this help text.\n"
20" -e, --ematch=EXPR Ematch expression\n"
21"\n"
22"EXAMPLE"
23" nl-cls-add --dev=eth0 --parent=q_root cgroup\n");
24}
25
26static void parse_argv(struct rtnl_tc *tc, int argc, char **argv)
27{
28 struct rtnl_cls *cls = (struct rtnl_cls *) tc;
29 struct rtnl_ematch_tree *tree;
30
31 for (;;) {
32 int c, optidx = 0;
33 static struct option long_opts[] = {
34 { "help", 0, 0, 'h' },
35 { "ematch", 1, 0, 'e' },
36 { 0, 0, 0, 0 }
37 };
38
39 c = getopt_long(argc, argv, "he:", long_opts, &optidx);
40 if (c == -1)
41 break;
42
43 switch (c) {
44 case 'h':
45 print_usage();
46 exit(0);
47
48 case 'e':
49 tree = nl_cli_cls_parse_ematch(cls, optarg);
50 rtnl_cgroup_set_ematch(cls, tree);
51 break;
52 }
53 }
54}
55
56static struct nl_cli_tc_module cgroup_module =
57{
58 .tm_name = "cgroup",
59 .tm_type = RTNL_TC_TYPE_CLS,
60 .tm_parse_argv = parse_argv,
61};
62
63static void _nl_init cgroup_init(void)
64{
65 nl_cli_tc_register(&cgroup_module);
66}
67
68static void _nl_exit cgroup_exit(void)
69{
70 nl_cli_tc_unregister(&cgroup_module);
71}
nl_cli_tc_module
Definition tc.h:27
rtnl_tc
Definition nl-route.h:115