lan966x_tc.c
// SPDX-License-Identifier: GPL-2.0+
#include <net/pkt_cls.h>
#include <net/pkt_sched.h>
#include "lan966x_main.h"
static LIST_HEAD(lan966x_tc_block_cb_list);
static int lan966x_tc_setup_qdisc_mqprio(struct lan966x_port *port,
struct tc_mqprio_qopt_offload *mqprio)
{
u8 num_tc = mqprio->qopt.num_tc;
mqprio->qopt.hw = TC_MQPRIO_HW_OFFLOAD_TCS;
return num_tc ? lan966x_mqprio_add(port, num_tc) :
lan966x_mqprio_del(port);
}
static int lan966x_tc_setup_qdisc_taprio(struct lan966x_port *port,
struct tc_taprio_qopt_offload *taprio)
{
return taprio->enable ? lan966x_taprio_add(port, taprio) :
lan966x_taprio_del(port);
}
static int lan966x_tc_setup_qdisc_tbf(struct lan966x_port *port,
struct tc_tbf_qopt_offload *qopt)
{
switch (qopt->command) {
case TC_TBF_REPLACE:
return lan966x_tbf_add(port, qopt);
case TC_TBF_DESTROY:
return lan966x_tbf_del(port, qopt);
default:
return -EOPNOTSUPP;
}
return -EOPNOTSUPP;
}
static int lan966x_tc_setup_qdisc_cbs(struct lan966x_port *port,
struct tc_cbs_qopt_offload *qopt)
{
return qopt->enable ? lan966x_cbs_add(port, qopt) :
lan966x_cbs_del(port, qopt);
}
static int lan966x_tc_setup_qdisc_ets(struct lan966x_port *port,
struct tc_ets_qopt_offload *qopt)
{
switch (qopt->command) {
case TC_ETS_REPLACE:
return lan966x_ets_add(port, qopt);
case TC_ETS_DESTROY:
return lan966x_ets_del(port, qopt);
default:
return -EOPNOTSUPP;
};
return -EOPNOTSUPP;
}
static int lan966x_tc_block_cb(enum tc_setup_type type, void *type_data,
void *cb_priv, bool ingress)
{
struct lan966x_port *port = cb_priv;
switch (type) {
case TC_SETUP_CLSMATCHALL:
return lan966x_tc_matchall(port, type_data, ingress);
case TC_SETUP_CLSFLOWER:
return lan966x_tc_flower(port, type_data, ingress);
default:
return -EOPNOTSUPP;
}
}
static int lan966x_tc_block_cb_ingress(enum tc_setup_type type,
void *type_data, void *cb_priv)
{
return lan966x_tc_block_cb(type, type_data, cb_priv, true);
}
static int lan966x_tc_block_cb_egress(enum tc_setup_type type,
void *type_data, void *cb_priv)
{
return lan966x_tc_block_cb(type, type_data, cb_priv, false);
}
static int lan966x_tc_setup_block(struct lan966x_port *port,
struct flow_block_offload *f)
{
flow_setup_cb_t *cb;
bool ingress;
if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS) {
cb = lan966x_tc_block_cb_ingress;
port->tc.ingress_shared_block = f->block_shared;
ingress = true;
} else if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS) {
cb = lan966x_tc_block_cb_egress;
ingress = false;
} else {
return -EOPNOTSUPP;
}
return flow_block_cb_setup_simple(f, &lan966x_tc_block_cb_list,
cb, port, port, ingress);
}
int lan966x_tc_setup(struct net_device *dev, enum tc_setup_type type,
void *type_data)
{
struct lan966x_port *port = netdev_priv(dev);
switch (type) {
case TC_SETUP_QDISC_MQPRIO:
return lan966x_tc_setup_qdisc_mqprio(port, type_data);
case TC_SETUP_QDISC_TAPRIO:
return lan966x_tc_setup_qdisc_taprio(port, type_data);
case TC_SETUP_QDISC_TBF:
return lan966x_tc_setup_qdisc_tbf(port, type_data);
case TC_SETUP_QDISC_CBS:
return lan966x_tc_setup_qdisc_cbs(port, type_data);
case TC_SETUP_QDISC_ETS:
return lan966x_tc_setup_qdisc_ets(port, type_data);
case TC_SETUP_BLOCK:
return lan966x_tc_setup_block(port, type_data);
default:
return -EOPNOTSUPP;
}
return 0;
}