1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/* SPDX-License-Identifier: LGPL-2.1-only */
/*
* Copyright (c) 2013 Cong Wang <xiyou.wangcong@gmail.com>
*/
#include "nl-default.h"
#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 _nl_init fq_codel_init(void)
{
nl_cli_tc_register(&fq_codel_module);
}
static void _nl_exit fq_codel_exit(void)
{
nl_cli_tc_unregister(&fq_codel_module);
}
|
