| /* |
| * lib/cli/qdisc/fq_codel.c fq_codel 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) 2013 Cong Wang <xiyou.wangcong@gmail.com> |
| */ |
| |
| #include <netlink/cli/utils.h> |
| #include <netlink/cli/tc.h> |
| #include <netlink/route/qdisc/fq_codel.h> |
| |
| static void print_usage(void) |
| { |
| printf( |
| "Usage: nl-qdisc-add [...] fq_codel [OPTIONS]...\n" |
| "\n" |
| "OPTIONS\n" |
| " --help Show this help text.\n" |
| " --limit=LIMIT Maximum queue length in number of bytes.\n" |
| " --quantum=SIZE Amount of bytes to serve at once.\n" |
| " --flows=N Number of flows.\n" |
| " --interval=N The interval in usec.\n" |
| " --target=N The minimum delay in usec.\n" |
| "\n" |
| "EXAMPLE" |
| " # Attach fq_codel with a 4096 packets limit to eth1\n" |
| " nl-qdisc-add --dev=eth1 --parent=root fq_codel --limit=4096\n"); |
| } |
| |
| static void fq_codel_parse_argv(struct rtnl_tc *tc, int argc, char **argv) |
| { |
| struct rtnl_qdisc *qdisc = (struct rtnl_qdisc *) tc; |
| int limit, flows; |
| uint32_t quantum, target, interval; |
| |
| for (;;) { |
| int c, optidx = 0; |
| enum { |
| ARG_LIMIT = 257, |
| ARG_QUANTUM = 258, |
| ARG_FLOWS, |
| ARG_INTERVAL, |
| ARG_TARGET, |
| }; |
| static struct option long_opts[] = { |
| { "help", 0, 0, 'h' }, |
| { "limit", 1, 0, ARG_LIMIT }, |
| { "quantum", 1, 0, ARG_QUANTUM }, |
| { "flows", 1, 0, ARG_FLOWS}, |
| { "interval", 1, 0, ARG_INTERVAL}, |
| { "target", 1, 0, ARG_TARGET}, |
| { 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_cli_parse_u32(optarg); |
| rtnl_qdisc_fq_codel_set_limit(qdisc, limit); |
| break; |
| |
| case ARG_QUANTUM: |
| quantum = nl_cli_parse_u32(optarg); |
| rtnl_qdisc_fq_codel_set_quantum(qdisc, quantum); |
| break; |
| |
| case ARG_FLOWS: |
| flows = nl_cli_parse_u32(optarg); |
| rtnl_qdisc_fq_codel_set_flows(qdisc, flows); |
| break; |
| |
| case ARG_INTERVAL: |
| interval = nl_cli_parse_u32(optarg); |
| rtnl_qdisc_fq_codel_set_interval(qdisc, interval); |
| break; |
| |
| case ARG_TARGET: |
| target = nl_cli_parse_u32(optarg); |
| rtnl_qdisc_fq_codel_set_target(qdisc, target); |
| break; |
| |
| } |
| } |
| } |
| |
| static struct nl_cli_tc_module fq_codel_module = |
| { |
| .tm_name = "fq_codel", |
| .tm_type = RTNL_TC_TYPE_QDISC, |
| .tm_parse_argv = fq_codel_parse_argv, |
| }; |
| |
| static void __init fq_codel_init(void) |
| { |
| nl_cli_tc_register(&fq_codel_module); |
| } |
| |
| static void __exit fq_codel_exit(void) |
| { |
| nl_cli_tc_unregister(&fq_codel_module); |
| } |