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00012 #include <netlink/cli/utils.h>
00013 #include <netlink/cli/tc.h>
00014
00015 static void print_usage(void)
00016 {
00017 printf(
00018 "Usage: nl-qdisc-add [...] blackhole [OPTIONS]...\n"
00019 "\n"
00020 "OPTIONS\n"
00021 " --help Show this help text.\n"
00022 "\n"
00023 "EXAMPLE"
00024 " # Drop all outgoing packets on eth1\n"
00025 " nl-qdisc-add --dev=eth1 --parent=root blackhole\n");
00026 }
00027
00028 static void blackhole_parse_argv(struct rtnl_tc *tc, int argc, char **argv)
00029 {
00030 for (;;) {
00031 int c, optidx = 0;
00032 static struct option long_opts[] = {
00033 { "help", 0, 0, 'h' },
00034 { 0, 0, 0, 0 }
00035 };
00036
00037 c = getopt_long(argc, argv, "h", long_opts, &optidx);
00038 if (c == -1)
00039 break;
00040
00041 switch (c) {
00042 case 'h':
00043 print_usage();
00044 return;
00045 }
00046 }
00047 }
00048
00049 static struct nl_cli_tc_module blackhole_module =
00050 {
00051 .tm_name = "blackhole",
00052 .tm_type = RTNL_TC_TYPE_QDISC,
00053 .tm_parse_argv = blackhole_parse_argv,
00054 };
00055
00056 static void __init blackhole_init(void)
00057 {
00058 nl_cli_tc_register(&blackhole_module);
00059 }
00060
00061 static void __exit blackhole_exit(void)
00062 {
00063 nl_cli_tc_unregister(&blackhole_module);
00064 }