Adds CONFIG_OCTEONTX_SWITCH, links stub switch objects into the PF
module, and introduces empty sw_* init/deinit and notifier hooks for
later patches.

Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
---
 .../net/ethernet/marvell/octeontx2/Kconfig    | 10 ++++++++++
 .../ethernet/marvell/octeontx2/nic/Makefile   |  5 ++++-
 .../marvell/octeontx2/nic/switch/sw_fdb.c     | 16 +++++++++++++++
 .../marvell/octeontx2/nic/switch/sw_fdb.h     | 13 ++++++++++++
 .../marvell/octeontx2/nic/switch/sw_fib.c     | 16 +++++++++++++++
 .../marvell/octeontx2/nic/switch/sw_fib.h     | 20 +++++++++++++++++++
 .../marvell/octeontx2/nic/switch/sw_fl.c      | 16 +++++++++++++++
 .../marvell/octeontx2/nic/switch/sw_fl.h      | 13 ++++++++++++
 .../marvell/octeontx2/nic/switch/sw_nb.c      | 17 ++++++++++++++++
 .../marvell/octeontx2/nic/switch/sw_nb.h      | 20 +++++++++++++++++++
 10 files changed, 145 insertions(+), 1 deletion(-)
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fdb.c
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fdb.h
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fib.c
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fib.h
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fl.c
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fl.h
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_nb.c
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_nb.h

diff --git a/drivers/net/ethernet/marvell/octeontx2/Kconfig b/drivers/net/ethernet/marvell/octeontx2/Kconfig
index 47e549c581f0..e2fb6dd71078 100644
--- a/drivers/net/ethernet/marvell/octeontx2/Kconfig
+++ b/drivers/net/ethernet/marvell/octeontx2/Kconfig
@@ -28,6 +28,16 @@ config NDC_DIS_DYNAMIC_CACHING
 	  , NPA stack pages etc in NDC. Also locks down NIX SQ/CQ/RQ/RSS and
 	  NPA Aura/Pool contexts.
 
+config OCTEONTX_SWITCH
+	bool "Marvell OcteonTX2 switch driver"
+	depends on (64BIT && COMPILE_TEST) || ARM64
+	depends on OCTEONTX2_PF
+	default n
+	help
+	  This driver supports Marvell's OcteonTX2 switch.
+	  Marvell SWITCH HW can offload L2, L3 flow. ARM core interacts
+	  with Marvell SW HW thru mbox.
+
 config OCTEONTX2_PF
 	tristate "Marvell OcteonTX2 NIC Physical Function driver"
 	select OCTEONTX2_MBOX
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/Makefile b/drivers/net/ethernet/marvell/octeontx2/nic/Makefile
index 883e9f4d601c..123b0af23abd 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/Makefile
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/Makefile
@@ -9,7 +9,10 @@ obj-$(CONFIG_RVU_ESWITCH) += rvu_rep.o
 
 rvu_nicpf-y := otx2_pf.o otx2_common.o otx2_txrx.o otx2_ethtool.o \
                otx2_flows.o otx2_tc.o cn10k.o cn20k.o otx2_dmac_flt.o \
-               otx2_devlink.o qos_sq.o qos.o otx2_xsk.o
+               otx2_devlink.o qos_sq.o qos.o otx2_xsk.o \
+	       switch/sw_fdb.o switch/sw_fl.o
+rvu_nicpf-$(CONFIG_OCTEONTX_SWITCH) += switch/sw_nb.o switch/sw_fib.o
+
 rvu_nicvf-y := otx2_vf.o
 rvu_rep-y := rep.o
 
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fdb.c b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fdb.c
new file mode 100644
index 000000000000..6842c8d91ffc
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fdb.c
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Marvell RVU switch driver
+ *
+ * Copyright (C) 2026 Marvell.
+ *
+ */
+#include "sw_fdb.h"
+
+int sw_fdb_init(void)
+{
+	return 0;
+}
+
+void sw_fdb_deinit(void)
+{
+}
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fdb.h b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fdb.h
new file mode 100644
index 000000000000..d4314d6d3ee4
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fdb.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Marvell switch driver
+ *
+ * Copyright (C) 2026 Marvell.
+ *
+ */
+#ifndef SW_FDB_H_
+#define SW_FDB_H_
+
+void sw_fdb_deinit(void);
+int sw_fdb_init(void);
+
+#endif // SW_FDB_H
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fib.c b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fib.c
new file mode 100644
index 000000000000..12ddf8119372
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fib.c
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Marvell RVU switch driver
+ *
+ * Copyright (C) 2026 Marvell.
+ *
+ */
+#include "sw_fib.h"
+
+int sw_fib_init(void)
+{
+	return 0;
+}
+
+void sw_fib_deinit(void)
+{
+}
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fib.h b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fib.h
new file mode 100644
index 000000000000..9b72e95f2dd3
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fib.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Marvell switch driver
+ *
+ * Copyright (C) 2026 Marvell.
+ *
+ */
+#ifndef SW_FIB_H_
+#define SW_FIB_H_
+
+#include <linux/kconfig.h>
+
+#if IS_ENABLED(CONFIG_OCTEONTX_SWITCH)
+void sw_fib_deinit(void);
+int sw_fib_init(void);
+#else
+static inline void sw_fib_deinit(void) {}
+static inline int sw_fib_init(void) { return 0; }
+#endif
+
+#endif /* SW_FIB_H_ */
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fl.c b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fl.c
new file mode 100644
index 000000000000..36a2359a0a48
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fl.c
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Marvell RVU switch driver
+ *
+ * Copyright (C) 2026 Marvell.
+ *
+ */
+#include "sw_fl.h"
+
+int sw_fl_init(void)
+{
+	return 0;
+}
+
+void sw_fl_deinit(void)
+{
+}
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fl.h b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fl.h
new file mode 100644
index 000000000000..cd018d770a8a
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_fl.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Marvell switch driver
+ *
+ * Copyright (C) 2026 Marvell.
+ *
+ */
+#ifndef SW_FL_H_
+#define SW_FL_H_
+
+void sw_fl_deinit(void);
+int sw_fl_init(void);
+
+#endif // SW_FL_H
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_nb.c b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_nb.c
new file mode 100644
index 000000000000..2d14a0590c5d
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_nb.c
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Marvell RVU switch driver
+ *
+ * Copyright (C) 2026 Marvell.
+ *
+ */
+#include "sw_nb.h"
+
+int sw_nb_unregister(void)
+{
+	return 0;
+}
+
+int sw_nb_register(void)
+{
+	return 0;
+}
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_nb.h b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_nb.h
new file mode 100644
index 000000000000..73cc1e99b8ec
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/switch/sw_nb.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Marvell switch driver
+ *
+ * Copyright (C) 2026 Marvell.
+ *
+ */
+#ifndef SW_NB_H_
+#define SW_NB_H_
+
+#include <linux/kconfig.h>
+
+#if IS_ENABLED(CONFIG_OCTEONTX_SWITCH)
+int sw_nb_register(void);
+int sw_nb_unregister(void);
+#else
+static inline int sw_nb_register(void) { return 0; }
+static inline int sw_nb_unregister(void) { return 0; }
+#endif
+
+#endif /* SW_NB_H_ */
-- 
2.43.0