1 files changed, 133 insertions, 0 deletions
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_tc.c b/drivers/net/ethernet/microchip/lan966x/lan966x_tc.c
new file mode 100644
index 000000000000..651d5493ae55
--- /dev/null
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_tc.c
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include <net/pkt_cls.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);
+	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;
+}