net: ngbe: Add build support for ngbe
Add build options and guidance doc. Initialize pci device access for Wangxun Gigabit Ethernet devices. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Mengyuan Lou <mengyuanlou@net-swift.com> Link: https://lore.kernel.org/r/20220826034609.51854-1-mengyuanlou@net-swift.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Mengyuan Lou
Paolo Abeni
Родитель
11bc150daa
Коммит
e79e40c83b
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@ -52,6 +52,7 @@ Contents:
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ti/tlan
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toshiba/spider_net
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wangxun/txgbe
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wangxun/ngbe
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.. only:: subproject and html
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@ -0,0 +1,14 @@
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.. SPDX-License-Identifier: GPL-2.0
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=============================================================
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Linux Base Driver for WangXun(R) Gigabit PCI Express Adapters
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=============================================================
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WangXun Gigabit Linux driver.
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Copyright (c) 2019 - 2022 Beijing WangXun Technology Co., Ltd.
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Support
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=======
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If you have problems with the software or hardware, please contact our
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customer support team via email at nic-support@net-swift.com or check our website
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at https://www.net-swift.com
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@ -21838,9 +21838,11 @@ F: drivers/input/tablet/wacom_serial4.c
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WANGXUN ETHERNET DRIVER
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M: Jiawen Wu <jiawenwu@trustnetic.com>
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M: Mengyuan Lou <mengyuanlou@net-swift.com>
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W: https://www.net-swift.com
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L: netdev@vger.kernel.org
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S: Maintained
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F: Documentation/networking/device_drivers/ethernet/wangxun/txgbe.rst
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F: Documentation/networking/device_drivers/ethernet/wangxun/*
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F: drivers/net/ethernet/wangxun/
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WATCHDOG DEVICE DRIVERS
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@ -16,6 +16,19 @@ config NET_VENDOR_WANGXUN
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if NET_VENDOR_WANGXUN
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config NGBE
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tristate "Wangxun(R) GbE PCI Express adapters support"
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depends on PCI
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help
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This driver supports Wangxun(R) GbE 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/wangxun/ngbe.rst>.
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To compile this driver as a module, choose M here. The module
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will be called ngbe.
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config TXGBE
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tristate "Wangxun(R) 10GbE PCI Express adapters support"
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depends on PCI
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@ -4,3 +4,4 @@
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#
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obj-$(CONFIG_TXGBE) += txgbe/
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obj-$(CONFIG_NGBE) += ngbe/
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@ -0,0 +1,9 @@
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2019 - 2022 Beijing WangXun Technology Co., Ltd.
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#
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# Makefile for the Wangxun(R) GbE PCI Express ethernet driver
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#
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obj-$(CONFIG_NGBE) += ngbe.o
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ngbe-objs := ngbe_main.o
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@ -0,0 +1,24 @@
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/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2019 - 2022 Beijing WangXun Technology Co., Ltd. */
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#ifndef _NGBE_H_
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#define _NGBE_H_
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#include "ngbe_type.h"
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#define NGBE_MAX_FDIR_INDICES 7
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#define NGBE_MAX_RX_QUEUES (NGBE_MAX_FDIR_INDICES + 1)
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#define NGBE_MAX_TX_QUEUES (NGBE_MAX_FDIR_INDICES + 1)
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/* board specific private data structure */
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struct ngbe_adapter {
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u8 __iomem *io_addr; /* Mainly for iounmap use */
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/* OS defined structs */
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struct net_device *netdev;
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struct pci_dev *pdev;
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};
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extern char ngbe_driver_name[];
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#endif /* _NGBE_H_ */
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@ -0,0 +1,170 @@
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// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2019 - 2022 Beijing WangXun Technology Co., Ltd. */
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <linux/netdevice.h>
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#include <linux/string.h>
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#include <linux/aer.h>
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#include <linux/etherdevice.h>
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#include "ngbe.h"
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char ngbe_driver_name[] = "ngbe";
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/* ngbe_pci_tbl - PCI Device ID Table
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*
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* { Vendor ID, Device ID, SubVendor ID, SubDevice ID,
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* Class, Class Mask, private data (not used) }
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*/
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static const struct pci_device_id ngbe_pci_tbl[] = {
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{ PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860AL_W), 0},
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{ PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860A2), 0},
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{ PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860A2S), 0},
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{ PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860A4), 0},
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{ PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860A4S), 0},
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{ PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860AL2), 0},
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{ PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860AL2S), 0},
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{ PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860AL4), 0},
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{ PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860AL4S), 0},
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{ PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860LC), 0},
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{ PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860A1), 0},
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{ PCI_VDEVICE(WANGXUN, NGBE_DEV_ID_EM_WX1860A1L), 0},
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/* required last entry */
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{ .device = 0 }
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};
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static void ngbe_dev_shutdown(struct pci_dev *pdev, bool *enable_wake)
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{
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struct ngbe_adapter *adapter = pci_get_drvdata(pdev);
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struct net_device *netdev = adapter->netdev;
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netif_device_detach(netdev);
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pci_disable_device(pdev);
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}
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static void ngbe_shutdown(struct pci_dev *pdev)
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{
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bool wake;
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ngbe_dev_shutdown(pdev, &wake);
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if (system_state == SYSTEM_POWER_OFF) {
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pci_wake_from_d3(pdev, wake);
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pci_set_power_state(pdev, PCI_D3hot);
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}
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}
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/**
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* ngbe_probe - Device Initialization Routine
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* @pdev: PCI device information struct
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* @ent: entry in ngbe_pci_tbl
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*
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* Returns 0 on success, negative on failure
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*
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* ngbe_probe initializes an adapter identified by a pci_dev structure.
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* The OS initialization, configuring of the adapter private structure,
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* and a hardware reset occur.
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**/
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static int ngbe_probe(struct pci_dev *pdev,
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const struct pci_device_id __always_unused *ent)
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{
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struct ngbe_adapter *adapter = NULL;
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struct net_device *netdev;
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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_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
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if (err) {
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dev_err(&pdev->dev,
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"No usable DMA configuration, aborting\n");
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goto err_pci_disable_dev;
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}
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err = pci_request_selected_regions(pdev,
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pci_select_bars(pdev, IORESOURCE_MEM),
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ngbe_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_pci_disable_dev;
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}
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pci_enable_pcie_error_reporting(pdev);
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pci_set_master(pdev);
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netdev = devm_alloc_etherdev_mqs(&pdev->dev,
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sizeof(struct ngbe_adapter),
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NGBE_MAX_TX_QUEUES,
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NGBE_MAX_RX_QUEUES);
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if (!netdev) {
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err = -ENOMEM;
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goto err_pci_release_regions;
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}
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SET_NETDEV_DEV(netdev, &pdev->dev);
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adapter = netdev_priv(netdev);
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adapter->netdev = netdev;
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adapter->pdev = pdev;
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adapter->io_addr = devm_ioremap(&pdev->dev,
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pci_resource_start(pdev, 0),
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pci_resource_len(pdev, 0));
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if (!adapter->io_addr) {
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err = -EIO;
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goto err_pci_release_regions;
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}
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netdev->features |= NETIF_F_HIGHDMA;
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pci_set_drvdata(pdev, adapter);
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return 0;
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err_pci_release_regions:
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pci_disable_pcie_error_reporting(pdev);
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pci_release_selected_regions(pdev,
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pci_select_bars(pdev, IORESOURCE_MEM));
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err_pci_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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* ngbe_remove - Device Removal Routine
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* @pdev: PCI device information struct
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*
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* ngbe_remove is called by the PCI subsystem to alert the driver
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* that it should release a PCI device. The 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 ngbe_remove(struct pci_dev *pdev)
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{
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pci_release_selected_regions(pdev,
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pci_select_bars(pdev, IORESOURCE_MEM));
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pci_disable_pcie_error_reporting(pdev);
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pci_disable_device(pdev);
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}
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static struct pci_driver ngbe_driver = {
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.name = ngbe_driver_name,
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.id_table = ngbe_pci_tbl,
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.probe = ngbe_probe,
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.remove = ngbe_remove,
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.shutdown = ngbe_shutdown,
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};
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module_pci_driver(ngbe_driver);
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MODULE_DEVICE_TABLE(pci, ngbe_pci_tbl);
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MODULE_AUTHOR("Beijing WangXun Technology Co., Ltd, <software@net-swift.com>");
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MODULE_DESCRIPTION("WangXun(R) Gigabit PCI Express Network Driver");
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MODULE_LICENSE("GPL");
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@ -0,0 +1,50 @@
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/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2019 - 2022 Beijing WangXun Technology Co., Ltd. */
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#ifndef _NGBE_TYPE_H_
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#define _NGBE_TYPE_H_
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#include <linux/types.h>
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#include <linux/netdevice.h>
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/************ NGBE_register.h ************/
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/* Vendor ID */
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#ifndef PCI_VENDOR_ID_WANGXUN
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#define PCI_VENDOR_ID_WANGXUN 0x8088
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#endif
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/* Device IDs */
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#define NGBE_DEV_ID_EM_WX1860AL_W 0x0100
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#define NGBE_DEV_ID_EM_WX1860A2 0x0101
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#define NGBE_DEV_ID_EM_WX1860A2S 0x0102
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#define NGBE_DEV_ID_EM_WX1860A4 0x0103
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#define NGBE_DEV_ID_EM_WX1860A4S 0x0104
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#define NGBE_DEV_ID_EM_WX1860AL2 0x0105
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#define NGBE_DEV_ID_EM_WX1860AL2S 0x0106
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#define NGBE_DEV_ID_EM_WX1860AL4 0x0107
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#define NGBE_DEV_ID_EM_WX1860AL4S 0x0108
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#define NGBE_DEV_ID_EM_WX1860LC 0x0109
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#define NGBE_DEV_ID_EM_WX1860A1 0x010a
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#define NGBE_DEV_ID_EM_WX1860A1L 0x010b
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/* Subsystem ID */
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#define NGBE_SUBID_M88E1512_SFP 0x0003
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#define NGBE_SUBID_OCP_CARD 0x0040
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#define NGBE_SUBID_LY_M88E1512_SFP 0x0050
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#define NGBE_SUBID_M88E1512_RJ45 0x0051
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#define NGBE_SUBID_M88E1512_MIX 0x0052
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#define NGBE_SUBID_YT8521S_SFP 0x0060
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#define NGBE_SUBID_INTERNAL_YT8521S_SFP 0x0061
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#define NGBE_SUBID_YT8521S_SFP_GPIO 0x0062
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#define NGBE_SUBID_INTERNAL_YT8521S_SFP_GPIO 0x0064
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#define NGBE_SUBID_LY_YT8521S_SFP 0x0070
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#define NGBE_SUBID_RGMII_FPGA 0x0080
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#define NGBE_OEM_MASK 0x00FF
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#define NGBE_NCSI_SUP 0x8000
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#define NGBE_NCSI_MASK 0x8000
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#define NGBE_WOL_SUP 0x4000
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#define NGBE_WOL_MASK 0x4000
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#endif /* _NGBE_TYPE_H_ */
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