netdev - [RFC PATCH 01/13] drivers: ultraeth: add initial skeleton and kconfig option

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Message-ID: <20250306230203.1550314-2-nikolay@enfabrica.net>
Date: Fri,  7 Mar 2025 01:01:51 +0200
From: Nikolay Aleksandrov <nikolay@...abrica.net>
To: netdev@...r.kernel.org
Cc: shrijeet@...abrica.net,
	alex.badea@...sight.com,
	eric.davis@...adcom.com,
	rip.sohan@....com,
	dsahern@...nel.org,
	bmt@...ich.ibm.com,
	roland@...abrica.net,
	nikolay@...abrica.net,
	winston.liu@...sight.com,
	dan.mihailescu@...sight.com,
	kheib@...hat.com,
	parth.v.parikh@...sight.com,
	davem@...hat.com,
	ian.ziemba@....com,
	andrew.tauferner@...nelisnetworks.com,
	welch@....com,
	rakhahari.bhunia@...sight.com,
	kingshuk.mandal@...sight.com,
	linux-rdma@...r.kernel.org,
	kuba@...nel.org,
	pabeni@...hat.com
Subject: [RFC PATCH 01/13] drivers: ultraeth: add initial skeleton and kconfig option

Create drivers/ultraeth/ for the upcoming new Ultra Ethernet driver and add
a new Kconfig option for it.

Signed-off-by: Nikolay Aleksandrov <nikolay@...abrica.net>
Signed-off-by: Alex Badea <alex.badea@...sight.com>
---
 drivers/Kconfig             |  2 ++
 drivers/Makefile            |  1 +
 drivers/ultraeth/Kconfig    | 11 +++++++++++
 drivers/ultraeth/Makefile   |  3 +++
 drivers/ultraeth/uet_main.c | 19 +++++++++++++++++++
 5 files changed, 36 insertions(+)
 create mode 100644 drivers/ultraeth/Kconfig
 create mode 100644 drivers/ultraeth/Makefile
 create mode 100644 drivers/ultraeth/uet_main.c

diff --git a/drivers/Kconfig b/drivers/Kconfig
index 7bdad836fc62..df3369781d37 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -245,4 +245,6 @@ source "drivers/cdx/Kconfig"
 
 source "drivers/dpll/Kconfig"
 
+source "drivers/ultraeth/Kconfig"
+
 endmenu
diff --git a/drivers/Makefile b/drivers/Makefile
index 45d1c3e630f7..47848677605a 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -195,3 +195,4 @@ obj-$(CONFIG_CDX_BUS)		+= cdx/
 obj-$(CONFIG_DPLL)		+= dpll/
 
 obj-$(CONFIG_S390)		+= s390/
+obj-$(CONFIG_ULTRAETH)		+= ultraeth/
diff --git a/drivers/ultraeth/Kconfig b/drivers/ultraeth/Kconfig
new file mode 100644
index 000000000000..a769c6118f2f
--- /dev/null
+++ b/drivers/ultraeth/Kconfig
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+config ULTRAETH
+	tristate "Ultra Ethernet core"
+	depends on INET
+	depends on IPV6 || !IPV6
+	select NET_UDP_TUNNEL
+	select GRO_CELLS
+	help
+	  To compile this driver as a module, choose M here: the module
+	  will be called ultraeth.
diff --git a/drivers/ultraeth/Makefile b/drivers/ultraeth/Makefile
new file mode 100644
index 000000000000..e30373d4b5dc
--- /dev/null
+++ b/drivers/ultraeth/Makefile
@@ -0,0 +1,3 @@
+obj-$(CONFIG_ULTRAETH) += ultraeth.o
+
+ultraeth-objs := uet_main.o
diff --git a/drivers/ultraeth/uet_main.c b/drivers/ultraeth/uet_main.c
new file mode 100644
index 000000000000..0d74175fc047
--- /dev/null
+++ b/drivers/ultraeth/uet_main.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/types.h>
+
+static int __init uet_init(void)
+{
+	return 0;
+}
+
+static void __exit uet_exit(void)
+{
+}
+
+module_init(uet_init);
+module_exit(uet_exit);
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Ultra Ethernet core");
-- 
2.48.1