net: wangxun: add ngbevf build

Add doc build infrastructure for ngbevf driver.
Implement the basic PCI driver loading and unloading interface.
Initialize the id_table which support 1G virtual
functions for Wangxun.

Signed-off-by: Mengyuan Lou <mengyuanlou@net-swift.com>
Link: https://patch.msgid.link/20250704094923.652-10-mengyuanlou@net-swift.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Mengyuan Lou 2025-07-04 17:49:20 +08:00 committed by Jakub Kicinski
parent bf68010acc
commit a0008a3658
7 changed files with 215 additions and 0 deletions

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@ -60,6 +60,7 @@ Contents:
wangxun/txgbe
wangxun/txgbevf
wangxun/ngbe
wangxun/ngbevf
.. only:: subproject and html

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@ -0,0 +1,16 @@
.. SPDX-License-Identifier: GPL-2.0+
==================================================================
Linux Base Virtual Function Driver for Wangxun(R) Gigabit Ethernet
==================================================================
WangXun Gigabit Virtual Function Linux driver.
Copyright(c) 2015 - 2025 Beijing WangXun Technology Co., Ltd.
Support
=======
For general information, go to the website at:
https://www.net-swift.com
If you got any problem, contact Wangxun support team via nic-support@net-swift.com
and Cc: netdev.

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@ -82,4 +82,19 @@ config TXGBEVF
To compile this driver as a module, choose M here. MSI-X interrupt
support is required for this driver to work correctly.
config NGBEVF
tristate "Wangxun(R) GbE Virtual Function Ethernet support"
depends on PCI_MSI
select LIBWX
help
This driver supports virtual functions for WX1860, WX1860AL.
This driver was formerly named ngbevf.
More specific information on configuring the driver is in
<file:Documentation/networking/device_drivers/ethernet/wangxun/ngbevf.rst>.
To compile this driver as a module, choose M here. MSI-X interrupt
support is required for this driver to work correctly.
endif # NET_VENDOR_WANGXUN

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@ -7,3 +7,4 @@ obj-$(CONFIG_LIBWX) += libwx/
obj-$(CONFIG_TXGBE) += txgbe/
obj-$(CONFIG_TXGBEVF) += txgbevf/
obj-$(CONFIG_NGBE) += ngbe/
obj-$(CONFIG_NGBEVF) += ngbevf/

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@ -0,0 +1,9 @@
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2015 - 2025 Beijing WangXun Technology Co., Ltd.
#
# Makefile for the Wangxun(R) 1GbE virtual functions driver
#
obj-$(CONFIG_NGBE) += ngbevf.o
ngbevf-objs := ngbevf_main.o

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@ -0,0 +1,149 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2015 - 2025 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/etherdevice.h>
#include "../libwx/wx_type.h"
#include "../libwx/wx_vf_common.h"
#include "ngbevf_type.h"
/* ngbevf_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 ngbevf_pci_tbl[] = {
{ PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860AL_W), 0},
{ PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860A2), 0},
{ PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860A2S), 0},
{ PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860A4), 0},
{ PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860A4S), 0},
{ PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860AL2), 0},
{ PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860AL2S), 0},
{ PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860AL4), 0},
{ PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860AL4S), 0},
{ PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860NCSI), 0},
{ PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860A1), 0},
{ PCI_VDEVICE(WANGXUN, NGBEVF_DEV_ID_EM_WX1860AL1), 0},
/* required last entry */
{ .device = 0 }
};
/**
* ngbevf_probe - Device Initialization Routine
* @pdev: PCI device information struct
* @ent: entry in ngbevf_pci_tbl
*
* Return: return 0 on success, negative on failure
*
* ngbevf_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 ngbevf_probe(struct pci_dev *pdev,
const struct pci_device_id __always_unused *ent)
{
struct net_device *netdev;
struct wx *wx = NULL;
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),
dev_driver_string(&pdev->dev));
if (err) {
dev_err(&pdev->dev,
"pci_request_selected_regions failed 0x%x\n", err);
goto err_pci_disable_dev;
}
pci_set_master(pdev);
netdev = devm_alloc_etherdev_mqs(&pdev->dev,
sizeof(struct wx),
NGBEVF_MAX_TX_QUEUES,
NGBEVF_MAX_RX_QUEUES);
if (!netdev) {
err = -ENOMEM;
goto err_pci_release_regions;
}
SET_NETDEV_DEV(netdev, &pdev->dev);
wx = netdev_priv(netdev);
wx->netdev = netdev;
wx->pdev = pdev;
wx->msg_enable = netif_msg_init(-1, NETIF_MSG_DRV |
NETIF_MSG_PROBE | NETIF_MSG_LINK);
wx->hw_addr = devm_ioremap(&pdev->dev,
pci_resource_start(pdev, 0),
pci_resource_len(pdev, 0));
if (!wx->hw_addr) {
err = -EIO;
goto err_pci_release_regions;
}
netdev->features |= NETIF_F_HIGHDMA;
pci_set_drvdata(pdev, wx);
return 0;
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;
}
/**
* ngbevf_remove - Device Removal Routine
* @pdev: PCI device information struct
*
* ngbevf_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 ngbevf_remove(struct pci_dev *pdev)
{
wxvf_remove(pdev);
}
static DEFINE_SIMPLE_DEV_PM_OPS(ngbevf_pm_ops, wxvf_suspend, wxvf_resume);
static struct pci_driver ngbevf_driver = {
.name = KBUILD_MODNAME,
.id_table = ngbevf_pci_tbl,
.probe = ngbevf_probe,
.remove = ngbevf_remove,
.shutdown = wxvf_shutdown,
/* Power Management Hooks */
.driver.pm = pm_sleep_ptr(&ngbevf_pm_ops)
};
module_pci_driver(ngbevf_driver);
MODULE_DEVICE_TABLE(pci, ngbevf_pci_tbl);
MODULE_AUTHOR("Beijing WangXun Technology Co., Ltd, <software@trustnetic.com>");
MODULE_DESCRIPTION("WangXun(R) Gigabit PCI Express Network Driver");
MODULE_LICENSE("GPL");

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@ -0,0 +1,24 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2015 - 2025 Beijing WangXun Technology Co., Ltd. */
#ifndef _NGBEVF_TYPE_H_
#define _NGBEVF_TYPE_H_
/* Device IDs */
#define NGBEVF_DEV_ID_EM_WX1860AL_W 0x0110
#define NGBEVF_DEV_ID_EM_WX1860A2 0x0111
#define NGBEVF_DEV_ID_EM_WX1860A2S 0x0112
#define NGBEVF_DEV_ID_EM_WX1860A4 0x0113
#define NGBEVF_DEV_ID_EM_WX1860A4S 0x0114
#define NGBEVF_DEV_ID_EM_WX1860AL2 0x0115
#define NGBEVF_DEV_ID_EM_WX1860AL2S 0x0116
#define NGBEVF_DEV_ID_EM_WX1860AL4 0x0117
#define NGBEVF_DEV_ID_EM_WX1860AL4S 0x0118
#define NGBEVF_DEV_ID_EM_WX1860NCSI 0x0119
#define NGBEVF_DEV_ID_EM_WX1860A1 0x011a
#define NGBEVF_DEV_ID_EM_WX1860AL1 0x011b
#define NGBEVF_MAX_RX_QUEUES 1
#define NGBEVF_MAX_TX_QUEUES 1
#endif /* _NGBEVF_TYPE_H_ */