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kernel
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linux
net: rnpgbe: Add build support for rnpgbe
Add build options and doc for mucse.
Initialize pci device access for MUCSE devices.
Signed-off-by: Dong Yibo <dong100@mucse.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: MD Danish Anwar <danishanwar@ti.com>
Link: https://patch.msgid.link/20251101013849.120565-2-dong100@mucse.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
authored by
Dong Yibo
and committed by
Jakub Kicinski
ee61c10c
3f02b827
+214
+1
Documentation/networking/device_drivers/ethernet/index.rst
+1
Documentation/networking/device_drivers/ethernet/index.rst
+17
Documentation/networking/device_drivers/ethernet/mucse/rnpgbe.rst
+17
Documentation/networking/device_drivers/ethernet/mucse/rnpgbe.rst
···
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.. SPDX-License-Identifier: GPL-2.0
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===========================================================
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Linux Base Driver for MUCSE(R) Gigabit PCI Express Adapters
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===========================================================
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Contents
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========
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- Identifying Your Adapter
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Identifying Your Adapter
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========================
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The driver is compatible with devices based on the following:
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* MUCSE(R) Ethernet Controller N210 series
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* MUCSE(R) Ethernet Controller N500 series
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MAINTAINERS
+8
MAINTAINERS
···
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F: Documentation/devicetree/bindings/media/i2c/aptina,mt9v111.yaml
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F: drivers/media/i2c/mt9v111.c
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MUCSE ETHERNET DRIVER
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M: Yibo Dong <dong100@mucse.com>
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L: netdev@vger.kernel.org
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S: Maintained
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W: https://www.mucse.com/en/
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F: Documentation/networking/device_drivers/ethernet/mucse/
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F: drivers/net/ethernet/mucse/
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MULTIFUNCTION DEVICES (MFD)
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M: Lee Jones <lee@kernel.org>
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S: Maintained
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drivers/net/ethernet/Kconfig
+1
drivers/net/ethernet/Kconfig
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drivers/net/ethernet/Makefile
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drivers/net/ethernet/Makefile
···
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obj-$(CONFIG_NET_VENDOR_MICROCHIP) += microchip/
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obj-$(CONFIG_NET_VENDOR_MICROSEMI) += mscc/
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obj-$(CONFIG_NET_VENDOR_MOXART) += moxa/
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obj-$(CONFIG_NET_VENDOR_MUCSE) += mucse/
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obj-$(CONFIG_NET_VENDOR_MYRI) += myricom/
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obj-$(CONFIG_FEALNX) += fealnx.o
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obj-$(CONFIG_NET_VENDOR_NATSEMI) += natsemi/
+33
drivers/net/ethernet/mucse/Kconfig
+33
drivers/net/ethernet/mucse/Kconfig
···
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# SPDX-License-Identifier: GPL-2.0-only
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#
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# Mucse network device configuration
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#
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config NET_VENDOR_MUCSE
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bool "Mucse devices"
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default y
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help
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If you have a network (Ethernet) card from Mucse(R), say Y.
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Note that the answer to this question doesn't directly affect the
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kernel: saying N will just cause the configurator to skip all
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the questions about Mucse(R) cards. If you say Y, you will
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be asked for your specific card in the following questions.
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if NET_VENDOR_MUCSE
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config MGBE
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tristate "Mucse(R) 1GbE PCI Express adapters support"
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depends on PCI
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help
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This driver supports Mucse(R) 1GbE PCI Express family of
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adapters.
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More specific information on configuring the driver is in
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<file:Documentation/networking/device_drivers/ethernet/mucse/rnpgbe.rst>.
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To compile this driver as a module, choose M here. The module
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will be called rnpgbe.
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endif # NET_VENDOR_MUCSE
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+7
drivers/net/ethernet/mucse/Makefile
+7
drivers/net/ethernet/mucse/Makefile
+8
drivers/net/ethernet/mucse/rnpgbe/Makefile
+8
drivers/net/ethernet/mucse/rnpgbe/Makefile
+18
drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h
+18
drivers/net/ethernet/mucse/rnpgbe/rnpgbe.h
···
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/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright(c) 2020 - 2025 Mucse Corporation. */
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#ifndef _RNPGBE_H
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#define _RNPGBE_H
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enum rnpgbe_boards {
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board_n500,
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board_n210
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};
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/* Device IDs */
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#define PCI_VENDOR_ID_MUCSE 0x8848
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#define RNPGBE_DEVICE_ID_N500_QUAD_PORT 0x8308
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#define RNPGBE_DEVICE_ID_N500_DUAL_PORT 0x8318
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#define RNPGBE_DEVICE_ID_N210 0x8208
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#define RNPGBE_DEVICE_ID_N210L 0x820a
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#endif /* _RNPGBE_H */
+120
drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c
+120
drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c
···
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// SPDX-License-Identifier: GPL-2.0
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/* Copyright(c) 2020 - 2025 Mucse Corporation. */
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#include <linux/pci.h>
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#include "rnpgbe.h"
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static const char rnpgbe_driver_name[] = "rnpgbe";
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/* rnpgbe_pci_tbl - PCI Device ID Table
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*
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* { PCI_VDEVICE(Vendor ID, Device ID),
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* private_data (used for different hw chip) }
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*/
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static struct pci_device_id rnpgbe_pci_tbl[] = {
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{ PCI_VDEVICE(MUCSE, RNPGBE_DEVICE_ID_N210), board_n210 },
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{ PCI_VDEVICE(MUCSE, RNPGBE_DEVICE_ID_N210L), board_n210 },
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{ PCI_VDEVICE(MUCSE, RNPGBE_DEVICE_ID_N500_DUAL_PORT), board_n500 },
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{ PCI_VDEVICE(MUCSE, RNPGBE_DEVICE_ID_N500_QUAD_PORT), board_n500 },
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/* required last entry */
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{0, },
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};
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/**
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* rnpgbe_probe - Device initialization routine
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* @pdev: PCI device information struct
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* @id: entry in rnpgbe_pci_tbl
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*
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* rnpgbe_probe initializes a PF adapter identified by a pci_dev
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* structure.
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*
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* Return: 0 on success, negative errno on failure
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**/
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static int rnpgbe_probe(struct pci_dev *pdev, const struct pci_device_id *id)
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{
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int err;
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err = pci_enable_device_mem(pdev);
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if (err)
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return err;
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err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(56));
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if (err) {
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dev_err(&pdev->dev,
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"No usable DMA configuration, aborting %d\n", err);
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goto err_disable_dev;
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}
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err = pci_request_mem_regions(pdev, rnpgbe_driver_name);
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if (err) {
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dev_err(&pdev->dev,
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"pci_request_selected_regions failed %d\n", err);
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goto err_disable_dev;
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}
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pci_set_master(pdev);
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err = pci_save_state(pdev);
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if (err) {
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dev_err(&pdev->dev, "pci_save_state failed %d\n", err);
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goto err_free_regions;
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}
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return 0;
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err_free_regions:
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pci_release_mem_regions(pdev);
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err_disable_dev:
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pci_disable_device(pdev);
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return err;
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}
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/**
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* rnpgbe_remove - Device removal routine
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* @pdev: PCI device information struct
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*
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* rnpgbe_remove is called by the PCI subsystem to alert the driver
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* that it should release a PCI device. This could be caused by a
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* Hot-Plug event, or because the driver is going to be removed from
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* memory.
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**/
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static void rnpgbe_remove(struct pci_dev *pdev)
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{
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pci_release_mem_regions(pdev);
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pci_disable_device(pdev);
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}
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/**
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* rnpgbe_dev_shutdown - Device shutdown routine
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* @pdev: PCI device information struct
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**/
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static void rnpgbe_dev_shutdown(struct pci_dev *pdev)
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{
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pci_disable_device(pdev);
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}
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/**
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* rnpgbe_shutdown - Device shutdown routine
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* @pdev: PCI device information struct
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*
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* rnpgbe_shutdown is called by the PCI subsystem to alert the driver
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* that os shutdown. Device should setup wakeup state here.
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**/
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static void rnpgbe_shutdown(struct pci_dev *pdev)
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{
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rnpgbe_dev_shutdown(pdev);
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}
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static struct pci_driver rnpgbe_driver = {
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.name = rnpgbe_driver_name,
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.id_table = rnpgbe_pci_tbl,
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.probe = rnpgbe_probe,
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.remove = rnpgbe_remove,
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.shutdown = rnpgbe_shutdown,
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};
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module_pci_driver(rnpgbe_driver);
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MODULE_DEVICE_TABLE(pci, rnpgbe_pci_tbl);
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MODULE_AUTHOR("Yibo Dong, <dong100@mucse.com>");
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MODULE_DESCRIPTION("Mucse(R) 1 Gigabit PCI Express Network Driver");
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MODULE_LICENSE("GPL");