summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/net/ethernet/microchip/sparx5/Makefile2
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c6
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_qos.c39
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_qos.h16
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_tc.c16
5 files changed, 77 insertions, 2 deletions
diff --git a/drivers/net/ethernet/microchip/sparx5/Makefile b/drivers/net/ethernet/microchip/sparx5/Makefile
index 1d21d8ef891a..d1c6ad966747 100644
--- a/drivers/net/ethernet/microchip/sparx5/Makefile
+++ b/drivers/net/ethernet/microchip/sparx5/Makefile
@@ -8,4 +8,4 @@ obj-$(CONFIG_SPARX5_SWITCH) += sparx5-switch.o
sparx5-switch-objs := sparx5_main.o sparx5_packet.o \
sparx5_netdev.o sparx5_phylink.o sparx5_port.o sparx5_mactable.o sparx5_vlan.o \
sparx5_switchdev.o sparx5_calendar.o sparx5_ethtool.o sparx5_fdma.o \
- sparx5_ptp.o sparx5_pgid.o sparx5_tc.o
+ sparx5_ptp.o sparx5_pgid.o sparx5_tc.o sparx5_qos.o
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c b/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c
index c1a357f45a06..19516ccad533 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c
@@ -242,10 +242,14 @@ struct net_device *sparx5_create_netdev(struct sparx5 *sparx5, u32 portno)
struct sparx5_port *spx5_port;
struct net_device *ndev;
- ndev = devm_alloc_etherdev(sparx5->dev, sizeof(struct sparx5_port));
+ ndev = devm_alloc_etherdev_mqs(sparx5->dev, sizeof(struct sparx5_port),
+ SPX5_PRIOS, 1);
if (!ndev)
return ERR_PTR(-ENOMEM);
+ ndev->hw_features |= NETIF_F_HW_TC;
+ ndev->features |= NETIF_F_HW_TC;
+
SET_NETDEV_DEV(ndev, sparx5->dev);
spx5_port = netdev_priv(ndev);
spx5_port->ndev = ndev;
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_qos.c b/drivers/net/ethernet/microchip/sparx5/sparx5_qos.c
new file mode 100644
index 000000000000..3c6d67256166
--- /dev/null
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_qos.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0+
+/* Microchip Sparx5 Switch driver
+ *
+ * Copyright (c) 2022 Microchip Technology Inc. and its subsidiaries.
+ */
+
+#include "sparx5_main.h"
+#include "sparx5_qos.h"
+
+int sparx5_tc_mqprio_add(struct net_device *ndev, u8 num_tc)
+{
+ int i;
+
+ if (num_tc != SPX5_PRIOS) {
+ netdev_err(ndev, "Only %d traffic classes supported\n",
+ SPX5_PRIOS);
+ return -EINVAL;
+ }
+
+ netdev_set_num_tc(ndev, num_tc);
+
+ for (i = 0; i < num_tc; i++)
+ netdev_set_tc_queue(ndev, i, 1, i);
+
+ netdev_dbg(ndev, "dev->num_tc %u dev->real_num_tx_queues %u\n",
+ ndev->num_tc, ndev->real_num_tx_queues);
+
+ return 0;
+}
+
+int sparx5_tc_mqprio_del(struct net_device *ndev)
+{
+ netdev_reset_tc(ndev);
+
+ netdev_dbg(ndev, "dev->num_tc %u dev->real_num_tx_queues %u\n",
+ ndev->num_tc, ndev->real_num_tx_queues);
+
+ return 0;
+}
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_qos.h b/drivers/net/ethernet/microchip/sparx5/sparx5_qos.h
new file mode 100644
index 000000000000..0572fb41c949
--- /dev/null
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_qos.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Microchip Sparx5 Switch driver
+ *
+ * Copyright (c) 2022 Microchip Technology Inc. and its subsidiaries.
+ */
+
+#ifndef __SPARX5_QOS_H__
+#define __SPARX5_QOS_H__
+
+#include <linux/netdevice.h>
+
+/* Multi-Queue Priority */
+int sparx5_tc_mqprio_add(struct net_device *ndev, u8 num_tc);
+int sparx5_tc_mqprio_del(struct net_device *ndev);
+
+#endif /* __SPARX5_QOS_H__ */
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_tc.c b/drivers/net/ethernet/microchip/sparx5/sparx5_tc.c
index 1bafca0be795..6e01a7c7c821 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_tc.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_tc.c
@@ -4,13 +4,29 @@
* Copyright (c) 2022 Microchip Technology Inc. and its subsidiaries.
*/
+#include <net/pkt_cls.h>
+
#include "sparx5_tc.h"
#include "sparx5_main.h"
+#include "sparx5_qos.h"
+
+static int sparx5_tc_setup_qdisc_mqprio(struct net_device *ndev,
+ struct tc_mqprio_qopt_offload *m)
+{
+ m->qopt.hw = TC_MQPRIO_HW_OFFLOAD_TCS;
+
+ if (m->qopt.num_tc == 0)
+ return sparx5_tc_mqprio_del(ndev);
+ else
+ return sparx5_tc_mqprio_add(ndev, m->qopt.num_tc);
+}
int sparx5_port_setup_tc(struct net_device *ndev, enum tc_setup_type type,
void *type_data)
{
switch (type) {
+ case TC_SETUP_QDISC_MQPRIO:
+ return sparx5_tc_setup_qdisc_mqprio(ndev, type_data);
default:
return -EOPNOTSUPP;
}