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113 lines
2.6 KiB
113 lines
2.6 KiB
/*
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* lib/cli/qdisc/fq_codel.c fq_codel 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) 2013 Cong Wang <xiyou.wangcong@gmail.com>
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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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#include <netlink/route/qdisc/fq_codel.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 [...] fq_codel [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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" --limit=LIMIT Maximum queue length in number of bytes.\n"
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" --quantum=SIZE Amount of bytes to serve at once.\n"
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" --flows=N Number of flows.\n"
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" --interval=N The interval in usec.\n"
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" --target=N The minimum delay in usec.\n"
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"\n"
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"EXAMPLE"
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" # Attach fq_codel with a 4096 packets limit to eth1\n"
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" nl-qdisc-add --dev=eth1 --parent=root fq_codel --limit=4096\n");
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}
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static void fq_codel_parse_argv(struct rtnl_tc *tc, int argc, char **argv)
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{
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struct rtnl_qdisc *qdisc = (struct rtnl_qdisc *) tc;
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int limit, flows;
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uint32_t quantum, target, interval;
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for (;;) {
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int c, optidx = 0;
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enum {
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ARG_LIMIT = 257,
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ARG_QUANTUM = 258,
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ARG_FLOWS,
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ARG_INTERVAL,
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ARG_TARGET,
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};
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static struct option long_opts[] = {
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{ "help", 0, 0, 'h' },
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{ "limit", 1, 0, ARG_LIMIT },
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{ "quantum", 1, 0, ARG_QUANTUM },
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{ "flows", 1, 0, ARG_FLOWS},
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{ "interval", 1, 0, ARG_INTERVAL},
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{ "target", 1, 0, ARG_TARGET},
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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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case ARG_LIMIT:
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limit = nl_cli_parse_u32(optarg);
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rtnl_qdisc_fq_codel_set_limit(qdisc, limit);
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break;
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case ARG_QUANTUM:
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quantum = nl_cli_parse_u32(optarg);
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rtnl_qdisc_fq_codel_set_quantum(qdisc, quantum);
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break;
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case ARG_FLOWS:
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flows = nl_cli_parse_u32(optarg);
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rtnl_qdisc_fq_codel_set_flows(qdisc, flows);
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break;
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case ARG_INTERVAL:
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interval = nl_cli_parse_u32(optarg);
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rtnl_qdisc_fq_codel_set_interval(qdisc, interval);
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break;
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case ARG_TARGET:
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target = nl_cli_parse_u32(optarg);
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rtnl_qdisc_fq_codel_set_target(qdisc, target);
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break;
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}
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}
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}
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static struct nl_cli_tc_module fq_codel_module =
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{
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.tm_name = "fq_codel",
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.tm_type = RTNL_TC_TYPE_QDISC,
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.tm_parse_argv = fq_codel_parse_argv,
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};
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static void __init fq_codel_init(void)
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{
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nl_cli_tc_register(&fq_codel_module);
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}
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static void __exit fq_codel_exit(void)
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{
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nl_cli_tc_unregister(&fq_codel_module);
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}
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