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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>
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Documentation/networking/device_drivers/ethernet/wangxun/txgbe.rst
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.. SPDX-License-Identifier: GPL-2.0 | ||
================================================================ | ||
Linux Base Driver for WangXun(R) 10 Gigabit PCI Express Adapters | ||
================================================================ | ||
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WangXun 10 Gigabit Linux driver. | ||
Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. | ||
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Contents | ||
======== | ||
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- Support | ||
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Support | ||
======= | ||
If you got any problem, contact Wangxun support team via support@trustnetic.com | ||
and Cc: netdev. |
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# SPDX-License-Identifier: GPL-2.0-only | ||
# | ||
# Wangxun network device configuration | ||
# | ||
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config NET_VENDOR_WANGXUN | ||
bool "Wangxun devices" | ||
default y | ||
help | ||
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 | ||
kernel: saying N will just cause the configurator to skip all | ||
the questions about Intel cards. If you say Y, you will be asked for | ||
your specific card in the following questions. | ||
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if NET_VENDOR_WANGXUN | ||
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config TXGBE | ||
tristate "Wangxun(R) 10GbE PCI Express adapters support" | ||
depends on PCI | ||
help | ||
This driver supports Wangxun(R) 10GbE PCI Express family of | ||
adapters. | ||
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More specific information on configuring the driver is in | ||
<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 | ||
will be called txgbe. | ||
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endif # NET_VENDOR_WANGXUN |
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# SPDX-License-Identifier: GPL-2.0 | ||
# | ||
# Makefile for the Wangxun network device drivers. | ||
# | ||
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obj-$(CONFIG_TXGBE) += txgbe/ |
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# SPDX-License-Identifier: GPL-2.0 | ||
# Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. | ||
# | ||
# Makefile for the Wangxun(R) 10GbE PCI Express ethernet driver | ||
# | ||
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obj-$(CONFIG_TXGBE) += txgbe.o | ||
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txgbe-objs := txgbe_main.o |
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/* SPDX-License-Identifier: GPL-2.0 */ | ||
/* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */ | ||
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#ifndef _TXGBE_H_ | ||
#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) | ||
#define TXGBE_MAX_TX_QUEUES (TXGBE_MAX_FDIR_INDICES + 1) | ||
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/* board specific private data structure */ | ||
struct txgbe_adapter { | ||
u8 __iomem *io_addr; /* Mainly for iounmap use */ | ||
/* OS defined structs */ | ||
struct net_device *netdev; | ||
struct pci_dev *pdev; | ||
}; | ||
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extern char txgbe_driver_name[]; | ||
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#endif /* _TXGBE_H_ */ |
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// SPDX-License-Identifier: GPL-2.0 | ||
/* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */ | ||
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#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> | ||
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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 | ||
* | ||
* Wildcard entries (PCI_ANY_ID) should come last | ||
* Last entry must be all 0s | ||
* | ||
* { Vendor ID, Device ID, SubVendor ID, SubDevice ID, | ||
* Class, Class Mask, private data (not used) } | ||
*/ | ||
static const struct pci_device_id txgbe_pci_tbl[] = { | ||
{ PCI_VDEVICE(WANGXUN, TXGBE_DEV_ID_SP1000), 0}, | ||
{ PCI_VDEVICE(WANGXUN, TXGBE_DEV_ID_WX1820), 0}, | ||
/* required last entry */ | ||
{ .device = 0 } | ||
}; | ||
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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) | ||
{ | ||
struct txgbe_adapter *adapter = pci_get_drvdata(pdev); | ||
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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static void txgbe_shutdown(struct pci_dev *pdev) | ||
{ | ||
bool wake; | ||
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txgbe_dev_shutdown(pdev, &wake); | ||
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if (system_state == SYSTEM_POWER_OFF) { | ||
pci_wake_from_d3(pdev, wake); | ||
pci_set_power_state(pdev, PCI_D3hot); | ||
} | ||
} | ||
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/** | ||
* txgbe_probe - Device Initialization Routine | ||
* @pdev: PCI device information struct | ||
* @ent: entry in txgbe_pci_tbl | ||
* | ||
* Returns 0 on success, negative on failure | ||
* | ||
* txgbe_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 txgbe_probe(struct pci_dev *pdev, | ||
const struct pci_device_id __always_unused *ent) | ||
{ | ||
struct txgbe_adapter *adapter = NULL; | ||
struct net_device *netdev; | ||
int err; | ||
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err = pci_enable_device_mem(pdev); | ||
if (err) | ||
return err; | ||
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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; | ||
} | ||
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err = pci_request_selected_regions(pdev, | ||
pci_select_bars(pdev, IORESOURCE_MEM), | ||
txgbe_driver_name); | ||
if (err) { | ||
dev_err(&pdev->dev, | ||
"pci_request_selected_regions failed 0x%x\n", err); | ||
goto err_pci_disable_dev; | ||
} | ||
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pci_enable_pcie_error_reporting(pdev); | ||
pci_set_master(pdev); | ||
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netdev = devm_alloc_etherdev_mqs(&pdev->dev, | ||
sizeof(struct txgbe_adapter), | ||
TXGBE_MAX_TX_QUEUES, | ||
TXGBE_MAX_RX_QUEUES); | ||
if (!netdev) { | ||
err = -ENOMEM; | ||
goto err_pci_release_regions; | ||
} | ||
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SET_NETDEV_DEV(netdev, &pdev->dev); | ||
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adapter = netdev_priv(netdev); | ||
adapter->netdev = netdev; | ||
adapter->pdev = pdev; | ||
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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; | ||
} | ||
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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: | ||
pci_release_selected_regions(pdev, | ||
pci_select_bars(pdev, IORESOURCE_MEM)); | ||
err_pci_disable_dev: | ||
pci_disable_device(pdev); | ||
return err; | ||
} | ||
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/** | ||
* txgbe_remove - Device Removal Routine | ||
* @pdev: PCI device information struct | ||
* | ||
* txgbe_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 txgbe_remove(struct pci_dev *pdev) | ||
{ | ||
pci_release_selected_regions(pdev, | ||
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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static struct pci_driver txgbe_driver = { | ||
.name = txgbe_driver_name, | ||
.id_table = txgbe_pci_tbl, | ||
.probe = txgbe_probe, | ||
.remove = txgbe_remove, | ||
.shutdown = txgbe_shutdown, | ||
}; | ||
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module_pci_driver(txgbe_driver); | ||
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MODULE_DEVICE_TABLE(pci, txgbe_pci_tbl); | ||
MODULE_AUTHOR("Beijing WangXun Technology Co., Ltd, <software@trustnetic.com>"); | ||
MODULE_DESCRIPTION("WangXun(R) 10 Gigabit PCI Express Network Driver"); | ||
MODULE_LICENSE("GPL"); |
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/* SPDX-License-Identifier: GPL-2.0 */ | ||
/* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */ | ||
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#ifndef _TXGBE_TYPE_H_ | ||
#define _TXGBE_TYPE_H_ | ||
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#include <linux/types.h> | ||
#include <linux/netdevice.h> | ||
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/************ txgbe_register.h ************/ | ||
/* Vendor ID */ | ||
#ifndef PCI_VENDOR_ID_WANGXUN | ||
#define PCI_VENDOR_ID_WANGXUN 0x8088 | ||
#endif | ||
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/* Device IDs */ | ||
#define TXGBE_DEV_ID_SP1000 0x1001 | ||
#define TXGBE_DEV_ID_WX1820 0x2001 | ||
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/* Subsystem IDs */ | ||
/* SFP */ | ||
#define TXGBE_ID_SP1000_SFP 0x0000 | ||
#define TXGBE_ID_WX1820_SFP 0x2000 | ||
#define TXGBE_ID_SFP 0x00 | ||
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/* copper */ | ||
#define TXGBE_ID_SP1000_XAUI 0x1010 | ||
#define TXGBE_ID_WX1820_XAUI 0x2010 | ||
#define TXGBE_ID_XAUI 0x10 | ||
#define TXGBE_ID_SP1000_SGMII 0x1020 | ||
#define TXGBE_ID_WX1820_SGMII 0x2020 | ||
#define TXGBE_ID_SGMII 0x20 | ||
/* backplane */ | ||
#define TXGBE_ID_SP1000_KR_KX_KX4 0x1030 | ||
#define TXGBE_ID_WX1820_KR_KX_KX4 0x2030 | ||
#define TXGBE_ID_KR_KX_KX4 0x30 | ||
/* MAC Interface */ | ||
#define TXGBE_ID_SP1000_MAC_XAUI 0x1040 | ||
#define TXGBE_ID_WX1820_MAC_XAUI 0x2040 | ||
#define TXGBE_ID_MAC_XAUI 0x40 | ||
#define TXGBE_ID_SP1000_MAC_SGMII 0x1060 | ||
#define TXGBE_ID_WX1820_MAC_SGMII 0x2060 | ||
#define TXGBE_ID_MAC_SGMII 0x60 | ||
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#define TXGBE_NCSI_SUP 0x8000 | ||
#define TXGBE_NCSI_MASK 0x8000 | ||
#define TXGBE_WOL_SUP 0x4000 | ||
#define TXGBE_WOL_MASK 0x4000 | ||
#define TXGBE_DEV_MASK 0xf0 | ||
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/* Combined interface*/ | ||
#define TXGBE_ID_SFI_XAUI 0x50 | ||
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/* Revision ID */ | ||
#define TXGBE_SP_MPW 1 | ||
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#endif /* _TXGBE_TYPE_H_ */ |