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65 lines
1.3 KiB
65 lines
1.3 KiB
/*
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* src/lib/blackhole.c Blackhole module for CLI lib
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* Copyright (c) 2010-2011 Thomas Graf <tgraf@suug.ch>
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*/
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#include <netlink/cli/utils.h>
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#include <netlink/cli/tc.h>
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static void print_usage(void)
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{
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printf(
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"Usage: nl-qdisc-add [...] blackhole [OPTIONS]...\n"
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"\n"
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"OPTIONS\n"
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" --help Show this help text.\n"
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"\n"
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"EXAMPLE"
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" # Drop all outgoing packets on eth1\n"
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" nl-qdisc-add --dev=eth1 --parent=root blackhole\n");
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}
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static void blackhole_parse_argv(struct rtnl_tc *tc, int argc, char **argv)
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{
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for (;;) {
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int c, optidx = 0;
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static struct option long_opts[] = {
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{ "help", 0, 0, 'h' },
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{ 0, 0, 0, 0 }
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};
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c = getopt_long(argc, argv, "h", long_opts, &optidx);
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if (c == -1)
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break;
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switch (c) {
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case 'h':
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print_usage();
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return;
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}
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}
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}
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static struct nl_cli_tc_module blackhole_module =
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{
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.tm_name = "blackhole",
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.tm_type = RTNL_TC_TYPE_QDISC,
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.tm_parse_argv = blackhole_parse_argv,
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};
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static void __init blackhole_init(void)
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{
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nl_cli_tc_register(&blackhole_module);
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}
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static void __exit blackhole_exit(void)
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{
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nl_cli_tc_unregister(&blackhole_module);
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}
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