net: mucse: initial support for rnpgbe driver from Mucse Technology

MAINTAINERS

@@ -23972,6 +23972,11 @@ L:	[email protected]
 S:	Maintained
 F:	mm/zswap.c
 
+MUCSE Ethernet Controller drivers
+M:      Yibo Dong <[email protected]>
+S:      Maintained
+F:      drivers/net/ethernet/mucse/
+
 THE REST
 M:	Linus Torvalds <[email protected]>
 L:	[email protected]

arch/arm64/configs/deepin_arm64_desktop_defconfig

@@ -1436,6 +1436,10 @@ CONFIG_MLX5_EN_TLS=y
 CONFIG_MLX5_SF=y
 CONFIG_MLXSW_CORE=m
 CONFIG_MLXBF_GIGE=m
+CONFIG_NET_VENDOR_MUCSE=y
+CONFIG_MGBE=m
+# CONFIG_MGBE_OPTM_WITH_LARGE is not set
+CONFIG_MGBE_MSIX_COUNT=26
 CONFIG_KS8842=m
 CONFIG_KS8851=m
 CONFIG_KS8851_MLL=m

arch/loongarch/configs/deepin_loongarch_desktop_defconfig

@@ -1279,6 +1279,9 @@ CONFIG_PCMCIA_3C574=m
 CONFIG_PCMCIA_3C589=m
 CONFIG_VORTEX=m
 CONFIG_TYPHOON=m
+CONFIG_NET_VENDOR_MUCSE=y
+CONFIG_MGBE=m
+# CONFIG_MGBE_OPTM_WITH_LARGE is not set
 CONFIG_NET_VENDOR_3SNIC=y
 CONFIG_ADAPTEC_STARFIRE=m
 CONFIG_ET131X=m

arch/x86/configs/deepin_x86_desktop_defconfig

@@ -1236,6 +1236,10 @@ CONFIG_PCMCIA_3C574=m
 CONFIG_PCMCIA_3C589=m
 CONFIG_VORTEX=m
 CONFIG_TYPHOON=m
+CONFIG_NET_VENDOR_MUCSE=y
+CONFIG_MGBE=m
+# CONFIG_MGBE_OPTM_WITH_LARGE is not set
+CONFIG_MGBE_MSIX_COUNT=26
 CONFIG_NET_VENDOR_3SNIC=y
 CONFIG_SSSNIC=m
 CONFIG_ADAPTEC_STARFIRE=m

drivers/net/ethernet/Kconfig

@@ -86,6 +86,7 @@ source "drivers/net/ethernet/i825xx/Kconfig"
 source "drivers/net/ethernet/ibm/Kconfig"
 source "drivers/net/ethernet/intel/Kconfig"
 source "drivers/net/ethernet/xscale/Kconfig"
+source "drivers/net/ethernet/mucse/Kconfig"
 
 config JME
 	tristate "JMicron(R) PCI-Express Gigabit Ethernet support"

drivers/net/ethernet/Makefile

@@ -49,6 +49,7 @@ obj-$(CONFIG_NET_VENDOR_HISILICON) += hisilicon/
 obj-$(CONFIG_NET_VENDOR_HUAWEI) += huawei/
 obj-$(CONFIG_NET_VENDOR_IBM) += ibm/
 obj-$(CONFIG_NET_VENDOR_INTEL) += intel/
+obj-$(CONFIG_NET_VENDOR_MUCSE) += mucse/
 obj-$(CONFIG_NET_VENDOR_I825XX) += i825xx/
 obj-$(CONFIG_NET_VENDOR_MICROSOFT) += microsoft/
 obj-$(CONFIG_NET_VENDOR_XSCALE) += xscale/

drivers/net/ethernet/mucse/Kconfig

@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# 
+# Mucse network device configuration
+#
+
+config NET_VENDOR_MUCSE
+        bool "Mucse devices"
+        default y
+        help
+          If you have a network (Ethernet) card belonging to this class, say Y.
+
+          Note that the answer to this question doesn't directly affect the
+          kernel: saying N will just cause the configurator to skip all
+          the questions about Mucse cards. If you say Y, you will be asked for
+          your specific card in the following questions.
+
+
+if NET_VENDOR_MUCSE
+
+config MGBE
+	tristate "Mucse(R) 1GbE PCI Express adapters support"
+        depends on PCI
+        imply PTP_1588_CLOCK
+        help
+          This driver supports Mucse(R) 1GbE PCI Express family of
+          adapters. 
+
+          To compile this driver as a module, choose M here. The module
+          will be called rnp.
+
+config MGBE_OPTM_WITH_LPAGE
+	bool "Reduce Memory Cost In Large PAGE_SIZE(>8192)"
+	default n
+	depends on MGBE
+	help
+          Say Y here if you want to reduce memory cost in large PAGE_SIZE.
+
+          If unsure, say N.
+
+config MGBE_MSIX_COUNT
+	int "Number of msix count"
+	default "26"
+	depends on MGBE
+        help
+          MXGBE range [2,26].
+
+endif # NET_VENDOR_MUCSE
+

drivers/net/ethernet/mucse/Makefile

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for the Mucse network device drivers.
+#
+
+obj-$(CONFIG_MGBE) += rnpgbe/

drivers/net/ethernet/mucse/rnpgbe/Makefile

@@ -0,0 +1,23 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright(c) 2022 - 2024 Mucse Corporation
+#
+# Makefile for the Mucse(R) 1GbE PCI Express ethernet driver
+#
+#
+
+obj-$(CONFIG_MGBE) += rnpgbe.o
+rnpgbe-objs :=   \
+		rnpgbe_main.o \
+		rnpgbe_common.o \
+		rnpgbe_ethtool.o \
+		rnpgbe_lib.o \
+		rnpgbe_mbx.o \
+		rnpgbe_chip.o \
+		rnpgbe_mbx_fw.o\
+		rnpgbe_sriov.o \
+		rnpgbe_param.o \
+		rnpgbe_sysfs.o \
+		rnpgbe_sfc.o \
+		rnpgbe_ptp.o
+
+rnpgbe-$(CONFIG_DEBUG_FS) += rnpgbe_debugfs.o