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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "macro.h"
#include "qdisc.h"
#include "tc.h"
#include "tclass.h"
void traffic_control_free(TrafficControl *tc) {
if (!tc)
return;
switch (tc->kind) {
case TC_KIND_QDISC:
qdisc_free(TC_TO_QDISC(tc));
break;
case TC_KIND_TCLASS:
tclass_free(TC_TO_TCLASS(tc));
break;
default:
assert_not_reached();
}
}
static int traffic_control_configure(Link *link, TrafficControl *tc) {
assert(link);
assert(tc);
switch(tc->kind) {
case TC_KIND_QDISC:
return qdisc_configure(link, TC_TO_QDISC(tc));
case TC_KIND_TCLASS:
return tclass_configure(link, TC_TO_TCLASS(tc));
default:
assert_not_reached();
}
}
int link_configure_traffic_control(Link *link) {
TrafficControl *tc;
int r;
assert(link);
assert(link->network);
if (link->tc_messages != 0) {
log_link_debug(link, "Traffic control is configuring.");
return 0;
}
link->tc_configured = false;
ORDERED_HASHMAP_FOREACH(tc, link->network->tc_by_section) {
r = traffic_control_configure(link, tc);
if (r < 0)
return log_link_error_errno(link, r, "Could not create send configuration message: %m");
}
if (link->tc_messages == 0)
link->tc_configured = true;
else
log_link_debug(link, "Configuring traffic control");
return 0;
}
static int traffic_control_section_verify(TrafficControl *tc, bool *qdisc_has_root, bool *qdisc_has_clsact) {
assert(tc);
switch(tc->kind) {
case TC_KIND_QDISC:
return qdisc_section_verify(TC_TO_QDISC(tc), qdisc_has_root, qdisc_has_clsact);
case TC_KIND_TCLASS:
return tclass_section_verify(TC_TO_TCLASS(tc));
default:
assert_not_reached();
}
}
void network_drop_invalid_traffic_control(Network *network) {
bool has_root = false, has_clsact = false;
TrafficControl *tc;
assert(network);
ORDERED_HASHMAP_FOREACH(tc, network->tc_by_section)
if (traffic_control_section_verify(tc, &has_root, &has_clsact) < 0)
traffic_control_free(tc);
}
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