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/*
* src/lib/bfifo.c bfifo module for CLI lib
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2010-2011 Thomas Graf <tgraf@suug.ch>
*/
#include <netlink/cli/utils.h>
#include <netlink/cli/tc.h>
#include <netlink/route/qdisc/fifo.h>
static void print_usage(void)
{
printf(
"Usage: nl-qdisc-add [...] bfifo [OPTIONS]...\n"
"\n"
"OPTIONS\n"
" --help Show this help text.\n"
" --limit=LIMIT Maximum queue length in number of bytes.\n"
"\n"
"EXAMPLE"
" # Attach bfifo with a 4KB bytes limit to eth1\n"
" nl-qdisc-add --dev=eth1 --parent=root bfifo --limit=4096\n");
}
static void bfifo_parse_argv(struct rtnl_tc *tc, int argc, char **argv)
{
struct rtnl_qdisc *qdisc = (struct rtnl_qdisc *) tc;
int limit;
for (;;) {
int c, optidx = 0;
enum {
ARG_LIMIT = 257,
};
static struct option long_opts[] = {
{ "help", 0, 0, 'h' },
{ "limit", 1, 0, ARG_LIMIT },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "h", long_opts, &optidx);
if (c == -1)
break;
switch (c) {
case 'h':
print_usage();
return;
case ARG_LIMIT:
limit = nl_size2int(optarg);
if (limit < 0) {
nl_cli_fatal(limit, "Unable to parse bfifo limit "
"\"%s\": Invalid format.", optarg);
}
rtnl_qdisc_fifo_set_limit(qdisc, limit);
break;
}
}
}
static struct nl_cli_tc_module bfifo_module =
{
.tm_name = "bfifo",
.tm_type = RTNL_TC_TYPE_QDISC,
.tm_parse_argv = bfifo_parse_argv,
};
static void __init bfifo_init(void)
{
nl_cli_tc_register(&bfifo_module);
}
static void __exit bfifo_exit(void)
{
nl_cli_tc_unregister(&bfifo_module);
}