[net-next,v3] net: txgbe: Add build support for txgbe

Message ID	20220527063157.486686-1-jiawenwu@trustnetic.com (mailing list archive)
State	Superseded
Delegated to:	Netdev Maintainers
Headers	show Return-Path: <netdev-owner@kernel.org> From: Jiawen Wu <jiawenwu@trustnetic.com> To: netdev@vger.kernel.org Cc: Jiawen Wu <jiawenwu@trustnetic.com> Subject: [PATCH net-next v3] net: txgbe: Add build support for txgbe Date: Fri, 27 May 2022 14:31:57 +0800 Message-Id: <20220527063157.486686-1-jiawenwu@trustnetic.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Feedback-ID: bizesmtp:trustnetic.com:qybgforeign:qybgforeign4 Precedence: bulk
Series	[net-next,v3] net: txgbe: Add build support for txgbe \| expand [net-next,v3] net: txgbe: Add build support for txgbe

Context	Check	Description
netdev/tree_selection	success	Clearly marked for net-next, async
netdev/fixes_present	success	Fixes tag not required for -next series
netdev/subject_prefix	success	Link
netdev/cover_letter	success	Single patches do not need cover letters
netdev/patch_count	success	Link
netdev/header_inline	success	No static functions without inline keyword in header files
netdev/build_32bit	fail	Errors and warnings before: 2 this patch: 4
netdev/cc_maintainers	warning	10 maintainers not CCed: corbet@lwn.net aayarekar@marvell.com stephen@networkplumber.org pabeni@redhat.com mpe@ellerman.id.au linux-doc@vger.kernel.org kuba@kernel.org edumazet@google.com davem@davemloft.net vburru@marvell.com
netdev/build_clang	fail	Errors and warnings before: 7 this patch: 9
netdev/module_param	success	Was 0 now: 0
netdev/verify_signedoff	success	Signed-off-by tag matches author and committer
netdev/check_selftest	success	No net selftest shell script
netdev/verify_fixes	success	No Fixes tag
netdev/build_allmodconfig_warn	fail	Errors and warnings before: 2 this patch: 4
netdev/checkpatch	warning	WARNING: line length of 81 exceeds 80 columns
netdev/kdoc	success	Errors and warnings before: 0 this patch: 0
netdev/source_inline	success	Was 0 now: 0

diff --git a/Documentation/networking/device_drivers/ethernet/index.rst b/Documentation/networking/device_drivers/ethernet/index.rst index 6b5dc203da2b..4766ac9d260e 100644 --- a/Documentation/networking/device_drivers/ethernet/index.rst +++ b/Documentation/networking/device_drivers/ethernet/index.rst @@ -52,6 +52,7 @@ Contents: ti/am65_nuss_cpsw_switchdev ti/tlan toshiba/spider_net + wangxun/txgbe .. only:: subproject and html diff --git a/Documentation/networking/device_drivers/ethernet/wangxun/txgbe.rst b/Documentation/networking/device_drivers/ethernet/wangxun/txgbe.rst new file mode 100644 index 000000000000..eaa87dbe8848 --- /dev/null +++ b/Documentation/networking/device_drivers/ethernet/wangxun/txgbe.rst @@ -0,0 +1,20 @@ +.. SPDX-License-Identifier: GPL-2.0 + +================================================================ +Linux Base Driver for WangXun(R) 10 Gigabit PCI Express Adapters +================================================================ + +WangXun 10 Gigabit Linux driver. +Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. + + +Contents +======== + +- Support + + +Support +======= +If you got any problem, contact Wangxun support team via support@trustnetic.com +and Cc: netdev. diff --git a/MAINTAINERS b/MAINTAINERS index f468864fd268..a18a7ea9e671 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -21208,6 +21208,13 @@ L: linux-input@vger.kernel.org S: Maintained F: drivers/input/tablet/wacom_serial4.c +WANGXUN ETHERNET DRIVER +M: Jiawen Wu <jiawenwu@trustnetic.com> +L: netdev@vger.kernel.org +S: Maintained +F: Documentation/networking/device_drivers/ethernet/wangxun/txgbe.rst +F: drivers/net/ethernet/wangxun/ + WATCHDOG DEVICE DRIVERS M: Wim Van Sebroeck <wim@linux-watchdog.org> M: Guenter Roeck <linux@roeck-us.net> diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig index 827993022386..e505cb1c171b 100644 --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -84,6 +84,7 @@ source "drivers/net/ethernet/huawei/Kconfig" source "drivers/net/ethernet/i825xx/Kconfig" source "drivers/net/ethernet/ibm/Kconfig" source "drivers/net/ethernet/intel/Kconfig" +source "drivers/net/ethernet/wangxun/Kconfig" source "drivers/net/ethernet/xscale/Kconfig" config JME diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile index 8ef43e0c33c0..82db3b15e421 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -96,6 +96,7 @@ obj-$(CONFIG_NET_VENDOR_TOSHIBA) += toshiba/ obj-$(CONFIG_NET_VENDOR_TUNDRA) += tundra/ obj-$(CONFIG_NET_VENDOR_VERTEXCOM) += vertexcom/ obj-$(CONFIG_NET_VENDOR_VIA) += via/ +obj-$(CONFIG_NET_VENDOR_WANGXUN) += wangxun/ obj-$(CONFIG_NET_VENDOR_WIZNET) += wiznet/ obj-$(CONFIG_NET_VENDOR_XILINX) += xilinx/ obj-$(CONFIG_NET_VENDOR_XIRCOM) += xircom/ diff --git a/drivers/net/ethernet/wangxun/Kconfig b/drivers/net/ethernet/wangxun/Kconfig new file mode 100644 index 000000000000..baa1f0a5cc37 --- /dev/null +++ b/drivers/net/ethernet/wangxun/Kconfig @@ -0,0 +1,32 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Wangxun network device configuration +# + +config NET_VENDOR_WANGXUN + bool "Wangxun devices" + default y + help + If you have a network (Ethernet) card belonging to this class, say Y. + + 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. + +if NET_VENDOR_WANGXUN + +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. + + More specific information on configuring the driver is in + <file:Documentation/networking/device_drivers/ethernet/wangxun/txgbe.rst>. + + To compile this driver as a module, choose M here. The module + will be called txgbe. + +endif # NET_VENDOR_WANGXUN diff --git a/drivers/net/ethernet/wangxun/Makefile b/drivers/net/ethernet/wangxun/Makefile new file mode 100644 index 000000000000..c34db1bead25 --- /dev/null +++ b/drivers/net/ethernet/wangxun/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for the Wangxun network device drivers. +# + +obj-$(CONFIG_TXGBE) += txgbe/ diff --git a/drivers/net/ethernet/wangxun/txgbe/Makefile b/drivers/net/ethernet/wangxun/txgbe/Makefile new file mode 100644 index 000000000000..431303ca75b4 --- /dev/null +++ b/drivers/net/ethernet/wangxun/txgbe/Makefile @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. +# +# Makefile for the Wangxun(R) 10GbE PCI Express ethernet driver +# + +obj-$(CONFIG_TXGBE) += txgbe.o + +txgbe-objs := txgbe_main.o diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe.h b/drivers/net/ethernet/wangxun/txgbe/txgbe.h new file mode 100644 index 000000000000..333c5a063080 --- /dev/null +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */ + +#ifndef _TXGBE_H_ +#define _TXGBE_H_ + +#include "txgbe_type.h" + +#define TXGBE_MAX_FDIR_INDICES 63 + +#define TXGBE_MAX_RX_QUEUES (TXGBE_MAX_FDIR_INDICES + 1) +#define TXGBE_MAX_TX_QUEUES (TXGBE_MAX_FDIR_INDICES + 1) + +/* 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; + + /* structs defined in txgbe_hw.h */ + struct txgbe_hw hw; +}; + +#define TXGBE_NAME "txgbe" + +#endif /* _TXGBE_H_ */ diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c new file mode 100644 index 000000000000..5f9ca9f9d591 --- /dev/null +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c @@ -0,0 +1,241 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2015 - 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 "txgbe.h" + +char txgbe_driver_name[32] = TXGBE_NAME; + +/* 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(TRUSTNETIC, TXGBE_DEV_ID_SP1000), 0}, + { PCI_VDEVICE(TRUSTNETIC, TXGBE_DEV_ID_WX1820), 0}, + /* required last entry */ + { .device = 0 } +}; + +#define DEFAULT_DEBUG_LEVEL_SHIFT 3 + +/** + * txgbe_sw_init - Initialize general software structures (struct txgbe_adapter) + * @adapter: board private structure to initialize + * + * txgbe_sw_init initializes the Adapter private data structure. + * Fields are initialized based on PCI device information and + * OS network device settings (MTU size). + **/ +static int txgbe_sw_init(struct txgbe_adapter *adapter) +{ + struct txgbe_hw *hw = &adapter->hw; + struct pci_dev *pdev = adapter->pdev; + + /* PCI config space info */ + hw->vendor_id = pdev->vendor; + hw->device_id = pdev->device; + hw->revision_id = pdev->revision; + hw->subsystem_vendor_id = pdev->subsystem_vendor; + hw->subsystem_device_id = pdev->subsystem_device; + + return 0; +} + +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; + + netif_device_detach(netdev); + + pci_disable_device(pdev); +} + +static void txgbe_shutdown(struct pci_dev *pdev) +{ + bool wake; + + txgbe_dev_shutdown(pdev, &wake); + + if (system_state == SYSTEM_POWER_OFF) { + pci_wake_from_d3(pdev, wake); + pci_set_power_state(pdev, PCI_D3hot); + } +} + +/** + * 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 txgbe_hw *hw = NULL; + struct net_device *netdev; + int err, pci_using_dac; + + err = pci_enable_device_mem(pdev); + if (err) + return err; + + if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) && + !dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64))) { + pci_using_dac = 1; + } else { + err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); + if (err) { + err = dma_set_coherent_mask(&pdev->dev, + DMA_BIT_MASK(32)); + if (err) { + dev_err(&pdev->dev, + "No usable DMA configuration, aborting\n"); + goto err_dma; + } + } + pci_using_dac = 0; + } + + 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_reg; + } + + pci_enable_pcie_error_reporting(pdev); + pci_set_master(pdev); + /* errata 16 */ + pcie_capability_clear_and_set_word(pdev, PCI_EXP_DEVCTL, + PCI_EXP_DEVCTL_READRQ, + 0x1000); + + 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_alloc_etherdev; + } + + SET_NETDEV_DEV(netdev, &pdev->dev); + + adapter = netdev_priv(netdev); + adapter->netdev = netdev; + adapter->pdev = pdev; + hw = &adapter->hw; + + 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_ioremap; + } + + /* setup the private structure */ + err = txgbe_sw_init(adapter); + if (err) + goto err_sw_init; + + if (pci_using_dac) + netdev->features |= NETIF_F_HIGHDMA; + + pci_set_drvdata(pdev, adapter); + + return 0; + +err_sw_init: + devm_iounmap(&pdev->dev, adapter->io_addr); +err_ioremap: +err_alloc_etherdev: + pci_release_selected_regions(pdev, + pci_select_bars(pdev, IORESOURCE_MEM)); +err_pci_reg: +err_dma: + pci_disable_device(pdev); + return err; +} + +/** + * 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)); + + pci_disable_pcie_error_reporting(pdev); + + pci_disable_device(pdev); +} + +static struct pci_driver txgbe_driver = { + .name = txgbe_driver_name, + .id_table = txgbe_pci_tbl, + .probe = txgbe_probe, + .remove = txgbe_remove, + .shutdown = txgbe_shutdown, +}; + +/** + * txgbe_init_module - Driver Registration Routine + * + * txgbe_init_module is the first routine called when the driver is + * loaded. All it does is register with the PCI subsystem. + **/ +static int __init txgbe_init_module(void) +{ + int ret; + + ret = pci_register_driver(&txgbe_driver); + return ret; +} + +module_init(txgbe_init_module); + +/** + * txgbe_exit_module - Driver Exit Cleanup Routine + * + * txgbe_exit_module is called just before the driver is removed + * from memory. + **/ +static void __exit txgbe_exit_module(void) +{ + pci_unregister_driver(&txgbe_driver); +} + +module_exit(txgbe_exit_module); + +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"); diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h new file mode 100644 index 000000000000..58f5b6867b0d --- /dev/null +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h @@ -0,0 +1,65 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */ + +#ifndef _TXGBE_TYPE_H_ +#define _TXGBE_TYPE_H_ + +#include <linux/types.h> +#include <linux/netdevice.h> + +/************ txgbe_register.h ************/ +/* Vendor ID */ +#ifndef PCI_VENDOR_ID_TRUSTNETIC +#define PCI_VENDOR_ID_TRUSTNETIC 0x8088 +#endif + +/* Device IDs */ +#define TXGBE_DEV_ID_SP1000 0x1001 +#define TXGBE_DEV_ID_WX1820 0x2001 + +/* Subsystem IDs */ +/* SFP */ +#define TXGBE_ID_SP1000_SFP 0x0000 +#define TXGBE_ID_WX1820_SFP 0x2000 +#define TXGBE_ID_SFP 0x00 + +/* 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 + +#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 + +/* Combined interface*/ +#define TXGBE_ID_SFI_XAUI 0x50 + +/* Revision ID */ +#define TXGBE_SP_MPW 1 + +struct txgbe_hw { + u16 device_id; + u16 vendor_id; + u16 subsystem_device_id; + u16 subsystem_vendor_id; + u8 revision_id; +}; + +#endif /* _TXGBE_TYPE_H_ */

[net-next,v3] net: txgbe: Add build support for txgbe

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