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/* SPDX-License-Identifier: LGPL-2.1+
* Copyright © 2020 VMware, Inc. */
#include <linux/pkt_sched.h>
#include "alloc-util.h"
#include "conf-parser.h"
#include "fq-pie.h"
#include "netlink-util.h"
#include "parse-util.h"
#include "string-util.h"
static int fq_pie_fill_message(Link *link, QDisc *qdisc, sd_netlink_message *req) {
FlowQueuePIE *fq_pie;
int r;
assert(link);
assert(qdisc);
assert(req);
fq_pie = FQ_PIE(qdisc);
r = sd_netlink_message_open_container_union(req, TCA_OPTIONS, "fq_pie");
if (r < 0)
return log_link_error_errno(link, r, "Could not open container TCA_OPTIONS: %m");
if (fq_pie->packet_limit > 0) {
r = sd_netlink_message_append_u32(req, TCA_FQ_PIE_LIMIT, fq_pie->packet_limit);
if (r < 0)
return log_link_error_errno(link, r, "Could not append TCA_FQ_PIE_PLIMIT attribute: %m");
}
r = sd_netlink_message_close_container(req);
if (r < 0)
return log_link_error_errno(link, r, "Could not close container TCA_OPTIONS: %m");
return 0;
}
int config_parse_fq_pie_packet_limit(
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;
FlowQueuePIE *fq_pie;
Network *network = data;
uint32_t val;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
r = qdisc_new_static(QDISC_KIND_FQ_PIE, network, filename, section_line, &qdisc);
if (r == -ENOMEM)
return log_oom();
if (r < 0)
return log_syntax(unit, LOG_WARNING, filename, line, r,
"More than one kind of queueing discipline, ignoring assignment: %m");
fq_pie = FQ_PIE(qdisc);
if (isempty(rvalue)) {
fq_pie->packet_limit = 0;
qdisc = NULL;
return 0;
}
r = safe_atou32(rvalue, &val);
if (r < 0) {
log_syntax(unit, LOG_WARNING, filename, line, r,
"Failed to parse '%s=', ignoring assignment: %s",
lvalue, rvalue);
return 0;
}
if (val == 0) {
log_syntax(unit, LOG_WARNING, filename, line, 0,
"Invalid '%s=', ignoring assignment: %s",
lvalue, rvalue);
return 0;
}
fq_pie->packet_limit = val;
qdisc = NULL;
return 0;
}
const QDiscVTable fq_pie_vtable = {
.object_size = sizeof(FlowQueuePIE),
.tca_kind = "fq_pie",
.fill_message = fq_pie_fill_message,
};
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