net: txgbe: Add build support for txgbe
Add doc build infrastructure for txgbe driver. Initialize PCI memory space for WangXun 10 Gigabit Ethernet devices. Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com> Link: https://lore.kernel.org/r/20220628095530.889344-1-jiawenwu@trustnetic.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jiawen Wu
Jakub Kicinski
parent
74fd304f23
commit
3ce7547e5b
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@ -52,6 +52,7 @@ Contents:
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ti/am65_nuss_cpsw_switchdev
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ti/tlan
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toshiba/spider_net
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wangxun/txgbe
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.. only:: subproject and html
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@ -0,0 +1,20 @@
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.. SPDX-License-Identifier: GPL-2.0
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================================================================
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Linux Base Driver for WangXun(R) 10 Gigabit PCI Express Adapters
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================================================================
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WangXun 10 Gigabit Linux driver.
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Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd.
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Contents
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========
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- Support
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Support
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=======
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If you got any problem, contact Wangxun support team via support@trustnetic.com
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and Cc: netdev.
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@ -21455,6 +21455,13 @@ L: linux-input@vger.kernel.org
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S: Maintained
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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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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: drivers/net/ethernet/wangxun/
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WATCHDOG DEVICE DRIVERS
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M: Wim Van Sebroeck <wim@linux-watchdog.org>
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M: Guenter Roeck <linux@roeck-us.net>
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@ -84,6 +84,7 @@ source "drivers/net/ethernet/huawei/Kconfig"
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source "drivers/net/ethernet/i825xx/Kconfig"
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source "drivers/net/ethernet/ibm/Kconfig"
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source "drivers/net/ethernet/intel/Kconfig"
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source "drivers/net/ethernet/wangxun/Kconfig"
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source "drivers/net/ethernet/xscale/Kconfig"
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config JME
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@ -97,6 +97,7 @@ obj-$(CONFIG_NET_VENDOR_TOSHIBA) += toshiba/
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obj-$(CONFIG_NET_VENDOR_TUNDRA) += tundra/
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obj-$(CONFIG_NET_VENDOR_VERTEXCOM) += vertexcom/
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obj-$(CONFIG_NET_VENDOR_VIA) += via/
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obj-$(CONFIG_NET_VENDOR_WANGXUN) += wangxun/
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obj-$(CONFIG_NET_VENDOR_WIZNET) += wiznet/
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obj-$(CONFIG_NET_VENDOR_XILINX) += xilinx/
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obj-$(CONFIG_NET_VENDOR_XIRCOM) += xircom/
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@ -0,0 +1,32 @@
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# SPDX-License-Identifier: GPL-2.0-only
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#
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# Wangxun network device configuration
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#
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config NET_VENDOR_WANGXUN
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bool "Wangxun devices"
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default y
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help
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If you have a network (Ethernet) card belonging to this class, 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 Intel cards. If you say Y, you will be asked for
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your specific card in the following questions.
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if NET_VENDOR_WANGXUN
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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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help
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This driver supports Wangxun(R) 10GbE 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/txgbe.rst>.
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To compile this driver as a module, choose M here. The module
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will be called txgbe.
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endif # NET_VENDOR_WANGXUN
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@ -0,0 +1,6 @@
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# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for the Wangxun network device drivers.
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#
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obj-$(CONFIG_TXGBE) += txgbe/
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@ -0,0 +1,9 @@
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd.
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#
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# Makefile for the Wangxun(R) 10GbE PCI Express ethernet driver
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#
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obj-$(CONFIG_TXGBE) += txgbe.o
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txgbe-objs := txgbe_main.o
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/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */
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#ifndef _TXGBE_H_
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#define _TXGBE_H_
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#include "txgbe_type.h"
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#define TXGBE_MAX_FDIR_INDICES 63
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#define TXGBE_MAX_RX_QUEUES (TXGBE_MAX_FDIR_INDICES + 1)
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#define TXGBE_MAX_TX_QUEUES (TXGBE_MAX_FDIR_INDICES + 1)
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/* board specific private data structure */
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struct txgbe_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 txgbe_driver_name[];
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#endif /* _TXGBE_H_ */
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@ -0,0 +1,165 @@
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// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2015 - 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 "txgbe.h"
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char txgbe_driver_name[] = "txgbe";
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/* txgbe_pci_tbl - PCI Device ID Table
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*
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* Wildcard entries (PCI_ANY_ID) should come last
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* Last entry must be all 0s
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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 txgbe_pci_tbl[] = {
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{ PCI_VDEVICE(WANGXUN, TXGBE_DEV_ID_SP1000), 0},
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{ PCI_VDEVICE(WANGXUN, TXGBE_DEV_ID_WX1820), 0},
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/* required last entry */
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{ .device = 0 }
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};
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#define DEFAULT_DEBUG_LEVEL_SHIFT 3
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static void txgbe_dev_shutdown(struct pci_dev *pdev, bool *enable_wake)
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{
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struct txgbe_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 txgbe_shutdown(struct pci_dev *pdev)
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{
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bool wake;
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txgbe_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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* txgbe_probe - Device Initialization Routine
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* @pdev: PCI device information struct
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* @ent: entry in txgbe_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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* txgbe_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 txgbe_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 txgbe_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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txgbe_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 0x%x\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 txgbe_adapter),
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TXGBE_MAX_TX_QUEUES,
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TXGBE_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_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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* txgbe_remove - Device Removal Routine
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* @pdev: PCI device information struct
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*
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* txgbe_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 txgbe_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 txgbe_driver = {
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.name = txgbe_driver_name,
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.id_table = txgbe_pci_tbl,
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.probe = txgbe_probe,
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.remove = txgbe_remove,
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.shutdown = txgbe_shutdown,
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};
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module_pci_driver(txgbe_driver);
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MODULE_DEVICE_TABLE(pci, txgbe_pci_tbl);
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MODULE_AUTHOR("Beijing WangXun Technology Co., Ltd, <software@trustnetic.com>");
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MODULE_DESCRIPTION("WangXun(R) 10 Gigabit PCI Express Network Driver");
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MODULE_LICENSE("GPL");
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@ -0,0 +1,57 @@
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/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */
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#ifndef _TXGBE_TYPE_H_
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#define _TXGBE_TYPE_H_
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#include <linux/types.h>
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#include <linux/netdevice.h>
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/************ txgbe_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 TXGBE_DEV_ID_SP1000 0x1001
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#define TXGBE_DEV_ID_WX1820 0x2001
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/* Subsystem IDs */
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/* SFP */
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#define TXGBE_ID_SP1000_SFP 0x0000
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#define TXGBE_ID_WX1820_SFP 0x2000
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#define TXGBE_ID_SFP 0x00
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/* copper */
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#define TXGBE_ID_SP1000_XAUI 0x1010
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#define TXGBE_ID_WX1820_XAUI 0x2010
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#define TXGBE_ID_XAUI 0x10
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#define TXGBE_ID_SP1000_SGMII 0x1020
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#define TXGBE_ID_WX1820_SGMII 0x2020
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#define TXGBE_ID_SGMII 0x20
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/* backplane */
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#define TXGBE_ID_SP1000_KR_KX_KX4 0x1030
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#define TXGBE_ID_WX1820_KR_KX_KX4 0x2030
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#define TXGBE_ID_KR_KX_KX4 0x30
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/* MAC Interface */
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#define TXGBE_ID_SP1000_MAC_XAUI 0x1040
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#define TXGBE_ID_WX1820_MAC_XAUI 0x2040
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#define TXGBE_ID_MAC_XAUI 0x40
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#define TXGBE_ID_SP1000_MAC_SGMII 0x1060
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#define TXGBE_ID_WX1820_MAC_SGMII 0x2060
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#define TXGBE_ID_MAC_SGMII 0x60
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#define TXGBE_NCSI_SUP 0x8000
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#define TXGBE_NCSI_MASK 0x8000
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#define TXGBE_WOL_SUP 0x4000
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#define TXGBE_WOL_MASK 0x4000
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#define TXGBE_DEV_MASK 0xf0
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/* Combined interface*/
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#define TXGBE_ID_SFI_XAUI 0x50
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/* Revision ID */
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#define TXGBE_SP_MPW 1
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#endif /* _TXGBE_TYPE_H_ */
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