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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later |
9942b710 SS |
2 | * Copyright © 2019 VMware, Inc. */ |
3 | ||
4 | #include <linux/pkt_sched.h> | |
5 | ||
6 | #include "alloc-util.h" | |
7 | #include "conf-parser.h" | |
8 | #include "netlink-util.h" | |
9 | #include "parse-util.h" | |
10 | #include "qdisc.h" | |
11 | #include "sfq.h" | |
12 | #include "string-util.h" | |
13 | ||
e8c17dc0 YW |
14 | static int stochastic_fairness_queueing_fill_message(Link *link, QDisc *qdisc, sd_netlink_message *req) { |
15 | StochasticFairnessQueueing *sfq; | |
9942b710 SS |
16 | struct tc_sfq_qopt_v1 opt = {}; |
17 | int r; | |
18 | ||
19 | assert(link); | |
e8c17dc0 | 20 | assert(qdisc); |
9942b710 SS |
21 | assert(req); |
22 | ||
e8c17dc0 YW |
23 | sfq = SFQ(qdisc); |
24 | ||
9942b710 SS |
25 | opt.v0.perturb_period = sfq->perturb_period / USEC_PER_SEC; |
26 | ||
27 | r = sd_netlink_message_append_data(req, TCA_OPTIONS, &opt, sizeof(struct tc_sfq_qopt_v1)); | |
28 | if (r < 0) | |
29 | return log_link_error_errno(link, r, "Could not append TCA_OPTIONS attribute: %m"); | |
30 | ||
31 | return 0; | |
32 | } | |
33 | ||
18de0969 | 34 | int config_parse_stochastic_fairness_queueing_perturb_period( |
9942b710 SS |
35 | const char *unit, |
36 | const char *filename, | |
37 | unsigned line, | |
38 | const char *section, | |
39 | unsigned section_line, | |
40 | const char *lvalue, | |
41 | int ltype, | |
42 | const char *rvalue, | |
43 | void *data, | |
44 | void *userdata) { | |
45 | ||
46 | _cleanup_(qdisc_free_or_set_invalidp) QDisc *qdisc = NULL; | |
e8c17dc0 | 47 | StochasticFairnessQueueing *sfq; |
9942b710 SS |
48 | Network *network = data; |
49 | int r; | |
50 | ||
51 | assert(filename); | |
52 | assert(lvalue); | |
53 | assert(rvalue); | |
54 | assert(data); | |
55 | ||
e8c17dc0 YW |
56 | r = qdisc_new_static(QDISC_KIND_SFQ, network, filename, section_line, &qdisc); |
57 | if (r == -ENOMEM) | |
58 | return log_oom(); | |
d96edb2c YW |
59 | if (r < 0) { |
60 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
61 | "More than one kind of queueing discipline, ignoring assignment: %m"); | |
62 | return 0; | |
63 | } | |
e8c17dc0 YW |
64 | |
65 | sfq = SFQ(qdisc); | |
9942b710 SS |
66 | |
67 | if (isempty(rvalue)) { | |
e8c17dc0 | 68 | sfq->perturb_period = 0; |
9942b710 SS |
69 | |
70 | qdisc = NULL; | |
71 | return 0; | |
72 | } | |
73 | ||
e8c17dc0 | 74 | r = parse_sec(rvalue, &sfq->perturb_period); |
9942b710 | 75 | if (r < 0) { |
d96edb2c | 76 | log_syntax(unit, LOG_WARNING, filename, line, r, |
9942b710 SS |
77 | "Failed to parse '%s=', ignoring assignment: %s", |
78 | lvalue, rvalue); | |
79 | return 0; | |
80 | } | |
81 | ||
9942b710 SS |
82 | qdisc = NULL; |
83 | ||
84 | return 0; | |
85 | } | |
e8c17dc0 YW |
86 | |
87 | const QDiscVTable sfq_vtable = { | |
88 | .object_size = sizeof(StochasticFairnessQueueing), | |
89 | .tca_kind = "sfq", | |
90 | .fill_message = stochastic_fairness_queueing_fill_message, | |
91 | }; |