diff options
Diffstat (limited to 'drivers/net/ethernet/wangxun/ngbe')
| -rw-r--r-- | drivers/net/ethernet/wangxun/ngbe/Makefile | 9 | ||||
| -rw-r--r-- | drivers/net/ethernet/wangxun/ngbe/ngbe.h | 24 | ||||
| -rw-r--r-- | drivers/net/ethernet/wangxun/ngbe/ngbe_main.c | 170 | ||||
| -rw-r--r-- | drivers/net/ethernet/wangxun/ngbe/ngbe_type.h | 50 |
4 files changed, 253 insertions, 0 deletions
diff --git a/drivers/net/ethernet/wangxun/ngbe/Makefile b/drivers/net/ethernet/wangxun/ngbe/Makefile new file mode 100644 index 000000000..0baf75907 --- /dev/null +++ b/drivers/net/ethernet/wangxun/ngbe/Makefile @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2019 - 2022 Beijing WangXun Technology Co., Ltd. +# +# Makefile for the Wangxun(R) GbE PCI Express ethernet driver +# + +obj-$(CONFIG_NGBE) += ngbe.o + +ngbe-objs := ngbe_main.o diff --git a/drivers/net/ethernet/wangxun/ngbe/ngbe.h b/drivers/net/ethernet/wangxun/ngbe/ngbe.h new file mode 100644 index 000000000..f5fa6e523 --- /dev/null +++ b/drivers/net/ethernet/wangxun/ngbe/ngbe.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2019 - 2022 Beijing WangXun Technology Co., Ltd. */ + +#ifndef _NGBE_H_ +#define _NGBE_H_ + +#include "ngbe_type.h" + +#define NGBE_MAX_FDIR_INDICES 7 + +#define NGBE_MAX_RX_QUEUES (NGBE_MAX_FDIR_INDICES + 1) +#define NGBE_MAX_TX_QUEUES (NGBE_MAX_FDIR_INDICES + 1) + +/* board specific private data structure */ +struct ngbe_adapter { + u8 __iomem *io_addr; /* Mainly for iounmap use */ + /* OS defined structs */ + struct net_device *netdev; + struct pci_dev *pdev; +}; + +extern char ngbe_driver_name[]; + +#endif /* _NGBE_H_ */ diff --git a/drivers/net/ethernet/wangxun/ngbe/ngbe_main.c b/drivers/net/ethernet/wangxun/ngbe/ngbe_main.c new file mode 100644 index 000000000..7674cb6e5 --- /dev/null +++ b/drivers/net/ethernet/wangxun/ngbe/ngbe_main.c @@ -0,0 +1,170 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2019 - 2022 Beijing WangXun Technology Co., Ltd. */ + +#include <linux/types.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/netdevice.h> +#include <linux/string.h> +#include <linux/aer.h> +#include <linux/etherdevice.h> + +#include "ngbe.h" +char ngbe_driver_name[] = "ngbe"; + +/* ngbe_pci_tbl - PCI Device ID Table + * + * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, + * Class, Class Mask, private data (not used) } + */ +static const struct pci_device_id ngbe_pci_tbl[] = { + { PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860AL_W), 0}, + { PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860A2), 0}, + { PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860A2S), 0}, + { PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860A4), 0}, + { PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860A4S), 0}, + { PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860AL2), 0}, + { PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860AL2S), 0}, + { PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860AL4), 0}, + { PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860AL4S), 0}, + { PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860LC), 0}, + { PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860A1), 0}, + { PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860A1L), 0}, + /* required last entry */ + { .device = 0 } +}; + +static void ngbe_dev_shutdown(struct pci_dev *pdev, bool *enable_wake) +{ + struct ngbe_adapter *adapter = pci_get_drvdata(pdev); + struct net_device *netdev = adapter->netdev; + + netif_device_detach(netdev); + + pci_disable_device(pdev); +} + +static void ngbe_shutdown(struct pci_dev *pdev) +{ + bool wake; + + ngbe_dev_shutdown(pdev, &wake); + + if (system_state == SYSTEM_POWER_OFF) { + pci_wake_from_d3(pdev, wake); + pci_set_power_state(pdev, PCI_D3hot); + } +} + +/** + * ngbe_probe - Device Initialization Routine + * @pdev: PCI device information struct + * @ent: entry in ngbe_pci_tbl + * + * Returns 0 on success, negative on failure + * + * ngbe_probe initializes an adapter identified by a pci_dev structure. + * The OS initialization, configuring of the adapter private structure, + * and a hardware reset occur. + **/ +static int ngbe_probe(struct pci_dev *pdev, + const struct pci_device_id __always_unused *ent) +{ + struct ngbe_adapter *adapter = NULL; + struct net_device *netdev; + int err; + + err = pci_enable_device_mem(pdev); + if (err) + return err; + + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (err) { + dev_err(&pdev->dev, + "No usable DMA configuration, aborting\n"); + goto err_pci_disable_dev; + } + + err = pci_request_selected_regions(pdev, + pci_select_bars(pdev, IORESOURCE_MEM), + ngbe_driver_name); + if (err) { + dev_err(&pdev->dev, + "pci_request_selected_regions failed %d\n", err); + goto err_pci_disable_dev; + } + + pci_enable_pcie_error_reporting(pdev); + pci_set_master(pdev); + + netdev = devm_alloc_etherdev_mqs(&pdev->dev, + sizeof(struct ngbe_adapter), + NGBE_MAX_TX_QUEUES, + NGBE_MAX_RX_QUEUES); + if (!netdev) { + err = -ENOMEM; + goto err_pci_release_regions; + } + + SET_NETDEV_DEV(netdev, &pdev->dev); + + adapter = netdev_priv(netdev); + adapter->netdev = netdev; + adapter->pdev = pdev; + + adapter->io_addr = devm_ioremap(&pdev->dev, + pci_resource_start(pdev, 0), + pci_resource_len(pdev, 0)); + if (!adapter->io_addr) { + err = -EIO; + goto err_pci_release_regions; + } + + netdev->features |= NETIF_F_HIGHDMA; + + pci_set_drvdata(pdev, adapter); + + return 0; + +err_pci_release_regions: + pci_disable_pcie_error_reporting(pdev); + pci_release_selected_regions(pdev, + pci_select_bars(pdev, IORESOURCE_MEM)); +err_pci_disable_dev: + pci_disable_device(pdev); + return err; +} + +/** + * ngbe_remove - Device Removal Routine + * @pdev: PCI device information struct + * + * ngbe_remove is called by the PCI subsystem to alert the driver + * that it should release a PCI device. The could be caused by a + * Hot-Plug event, or because the driver is going to be removed from + * memory. + **/ +static void ngbe_remove(struct pci_dev *pdev) +{ + pci_release_selected_regions(pdev, + pci_select_bars(pdev, IORESOURCE_MEM)); + + pci_disable_pcie_error_reporting(pdev); + + pci_disable_device(pdev); +} + +static struct pci_driver ngbe_driver = { + .name = ngbe_driver_name, + .id_table = ngbe_pci_tbl, + .probe = ngbe_probe, + .remove = ngbe_remove, + .shutdown = ngbe_shutdown, +}; + +module_pci_driver(ngbe_driver); + +MODULE_DEVICE_TABLE(pci, ngbe_pci_tbl); +MODULE_AUTHOR("Beijing WangXun Technology Co., Ltd, <software@net-swift.com>"); +MODULE_DESCRIPTION("WangXun(R) Gigabit PCI Express Network Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/wangxun/ngbe/ngbe_type.h b/drivers/net/ethernet/wangxun/ngbe/ngbe_type.h new file mode 100644 index 000000000..26e776c35 --- /dev/null +++ b/drivers/net/ethernet/wangxun/ngbe/ngbe_type.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2019 - 2022 Beijing WangXun Technology Co., Ltd. */ + +#ifndef _NGBE_TYPE_H_ +#define _NGBE_TYPE_H_ + +#include <linux/types.h> +#include <linux/netdevice.h> + +/************ NGBE_register.h ************/ +/* Vendor ID */ +#ifndef PCI_VENDOR_ID_WANGXUN +#define PCI_VENDOR_ID_WANGXUN 0x8088 +#endif + +/* Device IDs */ +#define NGBE_DEV_ID_EM_WX1860AL_W 0x0100 +#define NGBE_DEV_ID_EM_WX1860A2 0x0101 +#define NGBE_DEV_ID_EM_WX1860A2S 0x0102 +#define NGBE_DEV_ID_EM_WX1860A4 0x0103 +#define NGBE_DEV_ID_EM_WX1860A4S 0x0104 +#define NGBE_DEV_ID_EM_WX1860AL2 0x0105 +#define NGBE_DEV_ID_EM_WX1860AL2S 0x0106 +#define NGBE_DEV_ID_EM_WX1860AL4 0x0107 +#define NGBE_DEV_ID_EM_WX1860AL4S 0x0108 +#define NGBE_DEV_ID_EM_WX1860LC 0x0109 +#define NGBE_DEV_ID_EM_WX1860A1 0x010a +#define NGBE_DEV_ID_EM_WX1860A1L 0x010b + +/* Subsystem ID */ +#define NGBE_SUBID_M88E1512_SFP 0x0003 +#define NGBE_SUBID_OCP_CARD 0x0040 +#define NGBE_SUBID_LY_M88E1512_SFP 0x0050 +#define NGBE_SUBID_M88E1512_RJ45 0x0051 +#define NGBE_SUBID_M88E1512_MIX 0x0052 +#define NGBE_SUBID_YT8521S_SFP 0x0060 +#define NGBE_SUBID_INTERNAL_YT8521S_SFP 0x0061 +#define NGBE_SUBID_YT8521S_SFP_GPIO 0x0062 +#define NGBE_SUBID_INTERNAL_YT8521S_SFP_GPIO 0x0064 +#define NGBE_SUBID_LY_YT8521S_SFP 0x0070 +#define NGBE_SUBID_RGMII_FPGA 0x0080 + +#define NGBE_OEM_MASK 0x00FF + +#define NGBE_NCSI_SUP 0x8000 +#define NGBE_NCSI_MASK 0x8000 +#define NGBE_WOL_SUP 0x4000 +#define NGBE_WOL_MASK 0x4000 + +#endif /* _NGBE_TYPE_H_ */ |