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
|
/* SPDX-License-Identifier: LGPL-2.1-or-later
* Copyright © 2020 VMware, Inc. */
#include <linux/pkt_sched.h>
#include "alloc-util.h"
#include "conf-parser.h"
#include "netlink-util.h"
#include "parse-util.h"
#include "qdisc.h"
#include "sfb.h"
#include "string-util.h"
static int stochastic_fair_blue_fill_message(Link *link, QDisc *qdisc, sd_netlink_message *req) {
StochasticFairBlue *sfb;
int r;
assert(link);
assert(qdisc);
assert(req);
assert_se(sfb = SFB(qdisc));
const struct tc_sfb_qopt opt = {
.rehash_interval = 600*1000,
.warmup_time = 60*1000,
.penalty_rate = 10,
.penalty_burst = 20,
.increment = (SFB_MAX_PROB + 1000) / 2000,
.decrement = (SFB_MAX_PROB + 10000) / 20000,
.max = 25,
.bin_size = 20,
.limit = sfb->packet_limit,
};
r = sd_netlink_message_open_container_union(req, TCA_OPTIONS, "sfb");
if (r < 0)
return r;
r = sd_netlink_message_append_data(req, TCA_SFB_PARMS, &opt, sizeof(opt));
if (r < 0)
return r;
r = sd_netlink_message_close_container(req);
if (r < 0)
return r;
return 0;
}
int config_parse_stochastic_fair_blue_u32(
const char *unit,
const char *filename,
unsigned line,
const char *section,
unsigned section_line,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
_cleanup_(qdisc_free_or_set_invalidp) QDisc *qdisc = NULL;
StochasticFairBlue *sfb;
Network *network = ASSERT_PTR(data);
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
r = qdisc_new_static(QDISC_KIND_SFB, network, filename, section_line, &qdisc);
if (r == -ENOMEM)
return log_oom();
if (r < 0) {
log_syntax(unit, LOG_WARNING, filename, line, r,
"More than one kind of queueing discipline, ignoring assignment: %m");
return 0;
}
sfb = SFB(qdisc);
if (isempty(rvalue)) {
sfb->packet_limit = 0;
TAKE_PTR(qdisc);
return 0;
}
r = safe_atou32(rvalue, &sfb->packet_limit);
if (r < 0) {
log_syntax(unit, LOG_WARNING, filename, line, r,
"Failed to parse '%s=', ignoring assignment: %s",
lvalue, rvalue);
return 0;
}
TAKE_PTR(qdisc);
return 0;
}
const QDiscVTable sfb_vtable = {
.object_size = sizeof(StochasticFairBlue),
.tca_kind = "sfb",
.fill_message = stochastic_fair_blue_fill_message,
};
|
