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/* SPDX-License-Identifier: LGPL-2.1-or-later
* Copyright © 2019 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 "sfq.h"
#include "string-util.h"
static int stochastic_fairness_queueing_fill_message(Link *link, QDisc *qdisc, sd_netlink_message *req) {
StochasticFairnessQueueing *sfq;
struct tc_sfq_qopt_v1 opt = {};
int r;
assert(link);
assert(qdisc);
assert(req);
sfq = SFQ(qdisc);
opt.v0.perturb_period = sfq->perturb_period / USEC_PER_SEC;
r = sd_netlink_message_append_data(req, TCA_OPTIONS, &opt, sizeof(struct tc_sfq_qopt_v1));
if (r < 0)
return log_link_error_errno(link, r, "Could not append TCA_OPTIONS attribute: %m");
return 0;
}
int config_parse_stochastic_fairness_queueing_perturb_period(
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;
StochasticFairnessQueueing *sfq;
Network *network = data;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
r = qdisc_new_static(QDISC_KIND_SFQ, 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;
}
sfq = SFQ(qdisc);
if (isempty(rvalue)) {
sfq->perturb_period = 0;
qdisc = NULL;
return 0;
}
r = parse_sec(rvalue, &sfq->perturb_period);
if (r < 0) {
log_syntax(unit, LOG_WARNING, filename, line, r,
"Failed to parse '%s=', ignoring assignment: %s",
lvalue, rvalue);
return 0;
}
qdisc = NULL;
return 0;
}
const QDiscVTable sfq_vtable = {
.object_size = sizeof(StochasticFairnessQueueing),
.tca_kind = "sfq",
.fill_message = stochastic_fairness_queueing_fill_message,
};
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