linuxdebug/drivers/net/ethernet/microchip/lan966x/lan966x_tc_matchall.c

96 lines
2.4 KiB
C

// SPDX-License-Identifier: GPL-2.0+
#include "lan966x_main.h"
static int lan966x_tc_matchall_add(struct lan966x_port *port,
struct tc_cls_matchall_offload *f,
bool ingress)
{
struct flow_action_entry *act;
if (!flow_offload_has_one_action(&f->rule->action)) {
NL_SET_ERR_MSG_MOD(f->common.extack,
"Only once action per filter is supported");
return -EOPNOTSUPP;
}
act = &f->rule->action.entries[0];
switch (act->id) {
case FLOW_ACTION_POLICE:
return lan966x_police_port_add(port, &f->rule->action, act,
f->cookie, ingress,
f->common.extack);
case FLOW_ACTION_MIRRED:
return lan966x_mirror_port_add(port, act, f->cookie,
ingress, f->common.extack);
default:
NL_SET_ERR_MSG_MOD(f->common.extack,
"Unsupported action");
return -EOPNOTSUPP;
}
return 0;
}
static int lan966x_tc_matchall_del(struct lan966x_port *port,
struct tc_cls_matchall_offload *f,
bool ingress)
{
if (f->cookie == port->tc.police_id) {
return lan966x_police_port_del(port, f->cookie,
f->common.extack);
} else if (f->cookie == port->tc.ingress_mirror_id ||
f->cookie == port->tc.egress_mirror_id) {
return lan966x_mirror_port_del(port, ingress,
f->common.extack);
} else {
NL_SET_ERR_MSG_MOD(f->common.extack,
"Unsupported action");
return -EOPNOTSUPP;
}
return 0;
}
static int lan966x_tc_matchall_stats(struct lan966x_port *port,
struct tc_cls_matchall_offload *f,
bool ingress)
{
if (f->cookie == port->tc.police_id) {
lan966x_police_port_stats(port, &f->stats);
} else if (f->cookie == port->tc.ingress_mirror_id ||
f->cookie == port->tc.egress_mirror_id) {
lan966x_mirror_port_stats(port, &f->stats, ingress);
} else {
NL_SET_ERR_MSG_MOD(f->common.extack,
"Unsupported action");
return -EOPNOTSUPP;
}
return 0;
}
int lan966x_tc_matchall(struct lan966x_port *port,
struct tc_cls_matchall_offload *f,
bool ingress)
{
if (!tc_cls_can_offload_and_chain0(port->dev, &f->common)) {
NL_SET_ERR_MSG_MOD(f->common.extack,
"Only chain zero is supported");
return -EOPNOTSUPP;
}
switch (f->command) {
case TC_CLSMATCHALL_REPLACE:
return lan966x_tc_matchall_add(port, f, ingress);
case TC_CLSMATCHALL_DESTROY:
return lan966x_tc_matchall_del(port, f, ingress);
case TC_CLSMATCHALL_STATS:
return lan966x_tc_matchall_stats(port, f, ingress);
default:
return -EOPNOTSUPP;
}
return 0;
}