linux-kernel - [PATCH net-next v2 1/5] net: microchip: sparx5: add tc setup hook

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Date:   Tue, 20 Sep 2022 12:14:28 +0200
From:   Daniel Machon <daniel.machon@...rochip.com>
To:     <netdev@...r.kernel.org>
CC:     <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>, <Steen.Hegelund@...rochip.com>,
        <daniel.machon@...rochip.com>, <UNGLinuxDriver@...rochip.com>,
        <casper.casan@...il.com>, <horatiu.vultur@...rochip.com>,
        <rmk+kernel@...linux.org.uk>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Steen Hegelund <steen.hegelund@...rochip.com>
Subject: [PATCH net-next v2 1/5] net: microchip: sparx5: add tc setup hook

Add tc setup hook for QoS features.

Signed-off-by: Daniel Machon <daniel.machon@...rochip.com>
Signed-off-by: Steen Hegelund <steen.hegelund@...rochip.com>
---
 .../net/ethernet/microchip/sparx5/Makefile    |  2 +-
 .../ethernet/microchip/sparx5/sparx5_netdev.c |  2 ++
 .../net/ethernet/microchip/sparx5/sparx5_tc.c | 19 +++++++++++++++++++
 .../net/ethernet/microchip/sparx5/sparx5_tc.h | 15 +++++++++++++++
 4 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 drivers/net/ethernet/microchip/sparx5/sparx5_tc.c
 create mode 100644 drivers/net/ethernet/microchip/sparx5/sparx5_tc.h

diff --git a/drivers/net/ethernet/microchip/sparx5/Makefile b/drivers/net/ethernet/microchip/sparx5/Makefile
index 4402c3ed1dc5..1d21d8ef891a 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_ptp.o sparx5_pgid.o sparx5_tc.o
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c b/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c
index af4d3e1f1a6d..c1a357f45a06 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c
@@ -7,6 +7,7 @@
 #include "sparx5_main_regs.h"
 #include "sparx5_main.h"
 #include "sparx5_port.h"
+#include "sparx5_tc.h"
 
 /* The IFH bit position of the first VSTAX bit. This is because the
  * VSTAX bit positions in Data sheet is starting from zero.
@@ -228,6 +229,7 @@ static const struct net_device_ops sparx5_port_netdev_ops = {
 	.ndo_get_stats64        = sparx5_get_stats64,
 	.ndo_get_port_parent_id = sparx5_get_port_parent_id,
 	.ndo_eth_ioctl          = sparx5_port_ioctl,
+	.ndo_setup_tc           = sparx5_port_setup_tc,
 };
 
 bool sparx5_netdevice_check(const struct net_device *dev)
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_tc.c b/drivers/net/ethernet/microchip/sparx5/sparx5_tc.c
new file mode 100644
index 000000000000..1bafca0be795
--- /dev/null
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_tc.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0+
+/* Microchip Sparx5 Switch driver
+ *
+ * Copyright (c) 2022 Microchip Technology Inc. and its subsidiaries.
+ */
+
+#include "sparx5_tc.h"
+#include "sparx5_main.h"
+
+int sparx5_port_setup_tc(struct net_device *ndev, enum tc_setup_type type,
+			 void *type_data)
+{
+	switch (type) {
+	default:
+		return -EOPNOTSUPP;
+	}
+
+	return 0;
+}
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_tc.h b/drivers/net/ethernet/microchip/sparx5/sparx5_tc.h
new file mode 100644
index 000000000000..5b55e11b77e1
--- /dev/null
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_tc.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Microchip Sparx5 Switch driver
+ *
+ * Copyright (c) 2022 Microchip Technology Inc. and its subsidiaries.
+ */
+
+#ifndef __SPARX5_TC_H__
+#define __SPARX5_TC_H__
+
+#include <linux/netdevice.h>
+
+int sparx5_port_setup_tc(struct net_device *ndev, enum tc_setup_type type,
+			 void *type_data);
+
+#endif	/* __SPARX5_TC_H__ */
-- 
2.34.1