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/* SPDX-License-Identifier: LGPL-2.1-only */
/*
* Copyright (c) 2010-2011 Thomas Graf <tgraf@suug.ch>
*/
#include <netlink/cli/utils.h>
#include <netlink/cli/tc.h>
static void print_usage(void)
{
printf(
"Usage: nl-qdisc-add [...] blackhole [OPTIONS]...\n"
"\n"
"OPTIONS\n"
" --help Show this help text.\n"
"\n"
"EXAMPLE"
" # Drop all outgoing packets on eth1\n"
" nl-qdisc-add --dev=eth1 --parent=root blackhole\n");
}
static void blackhole_parse_argv(struct rtnl_tc *tc, int argc, char **argv)
{
for (;;) {
int c, optidx = 0;
static struct option long_opts[] = {
{ "help", 0, 0, 'h' },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "h", long_opts, &optidx);
if (c == -1)
break;
switch (c) {
case 'h':
print_usage();
return;
}
}
}
static struct nl_cli_tc_module blackhole_module =
{
.tm_name = "blackhole",
.tm_type = RTNL_TC_TYPE_QDISC,
.tm_parse_argv = blackhole_parse_argv,
};
static void __init blackhole_init(void)
{
nl_cli_tc_register(&blackhole_module);
}
static void __exit blackhole_exit(void)
{
nl_cli_tc_unregister(&blackhole_module);
}
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