net: linkdata: Add support for linkdata ethernet card

This driver comes from WuXi Stars Micro System Technologies,
which provides support for linkdata ethernet card.

Signed-off-by: WangYuli <wangyuli@uniontech.com>

drivers/net/ethernet/Kconfig

@@ -197,5 +197,6 @@ source "drivers/net/ethernet/xircom/Kconfig"
 source "drivers/net/ethernet/phytium/Kconfig"
 source "drivers/net/ethernet/guangruntong/Kconfig"
 source "drivers/net/ethernet/bzwx/Kconfig"
+source "drivers/net/ethernet/linkdata/Kconfig"
 
 endif # ETHERNET

drivers/net/ethernet/Makefile

@@ -109,3 +109,4 @@ obj-$(CONFIG_NET_VENDOR_PENSANDO) += pensando/
 obj-$(CONFIG_NET_VENDOR_PHYTIUM) += phytium/
 obj-$(CONFIG_NET_VENDOR_GRT) += guangruntong/
 obj-$(CONFIG_NET_VENDOR_BZWX) += bzwx/
+obj-$(NET_VENDOR_LINKDATA) += linkdata/

drivers/net/ethernet/linkdata/Kconfig

@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Linkdata network device configuration
+#
+
+config NET_VENDOR_LINKDATA
+	bool "Linkdata devices"
+	default y
+	help
+	  If you have a network (Ethernet) card from Linkdata, 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_LINKDATA
+source "drivers/net/ethernet/linkdata/sxe/Kconfig"
+source "drivers/net/ethernet/linkdata/sxevf/Kconfig"
+endif # NET_VENDOR_LINKDATA

drivers/net/ethernet/linkdata/Makefile

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for the Linkdata network device drivers.
+#
+obj-$(CONFIG_SXE) += sxe/
+obj-$(CONFIG_SXE_VF) += sxevf/

drivers/net/ethernet/linkdata/sxe/Kconfig

@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# sxe network device configuration
+#
+
+config SXE
+	tristate "sxe PCI Express adapters support"
+	depends on PCI
+	select MDIO
+        select PHYLIB
+        select PTP_1588_CLOCK
+	help
+	  This driver supports sxe PCI Express family of adapters.
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called ngbe.

drivers/net/ethernet/linkdata/sxe/Makefile

@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: GPL-2.0
+CONFIG_MODULE_SIG=n
+
+#当前目录下的Makefile路径
+MAKEPATH := $(abspath $(lastword $(MAKEFILE_LIST)))
+#当前路径
+CURDIR :=$(shell dirname $(MAKEPATH))
+
+ifneq ($(KERNELRELEASE),)
+#编译
+CONFIG_SXE ?= m
+obj-$(CONFIG_SXE) += sxe.o
+sxe-objs += $(patsubst %.c, sxepf/%.o, $(notdir $(wildcard $(CURDIR)/sxepf/*.c)))
+sxe-objs += $(patsubst %.c, base/trace/%.o, $(notdir $(wildcard $(CURDIR)/base/trace/*.c)))
+sxe-objs += $(patsubst %.c, base/log/%.o, $(notdir $(wildcard $(CURDIR)/base/log/*.c)))
+
+#添加编译选项和编译宏
+ccflags-y += -Werror -Wmaybe-uninitialized -frecord-gcc-switches 
+ccflags-y += -I$(CURDIR)/sxepf
+ccflags-y += -I$(CURDIR)/include/sxe
+ccflags-y += -I$(CURDIR)/include
+ccflags-y += -I$(CURDIR)/base/compat
+ccflags-y += -I$(CURDIR)/base/trace
+ccflags-y += -I$(CURDIR)/base/log
+ccflags-y += -DSXE_HOST_DRIVER
+ccflags-y += -DSXE_DRIVER_RELEASE
+ccflags-$(CONFIG_DCB) += -DSXE_DCB_CONFIGURE
+ifneq ($(CONFIG_DCA), )
+    ccflags-y += -DSXE_TPH_CONFIGURE
+endif
+
+# 生成 linux kernel version code
+ifneq ($(wildcard $(CURDIR)/vercode_build.sh),)
+  KER_DIR=$(srctree)
+  SPECIFIC_LINUX=$(shell bash $(CURDIR)/vercode_build.sh $(KER_DIR))
+  ifneq ($(SPECIFIC_LINUX),)
+    ccflags-y += -DSPECIFIC_LINUX
+    ccflags-y += -D$(SPECIFIC_LINUX)
+  endif
+endif
+
+else # KERNELRELEASE
+#内核树路径
+KDIR := /lib/modules/$(shell uname -r)/build
+
+all:
+	@$(MAKE) -C $(KDIR) M=$(CURDIR) modules
+
+clean:
+	@rm -rf *.o *.d *.ko Module.* modules.* *.mod* .*.d .*.cmd .tmp_versions *readme.txt
+	@rm -rf ./sxepf/*.o ./sxepf/.*.cmd
+	@rm -rf ./base/log/*.o ./base/trace/*.o
+
+endif # KERNELRELEASE

drivers/net/ethernet/linkdata/sxe/base/compat/sxe_compat.h

@@ -0,0 +1,28 @@
+#ifndef __SXE_COMPAT_H__
+#define __SXE_COMPAT_H__
+
+#include "sxe_compat_gcc.h"
+
+#include "sxe_compat_inc.h"
+
+#include "sxe_compat_vercode.h"
+
+#ifdef SPECIFIC_LINUX                  
+#include "sxe_compat_spec.h"
+#elif RHEL_RELEASE_CODE                
+#include "sxe_compat_rhel.h"
+#elif UBUNTU_VERSION_CODE              
+#include "sxe_compat_ubuntu.h"
+#elif OPENEULER_VERSION_CODE           
+#include "sxe_compat_euler.h"
+#elif KYLIN_RELEASE_CODE               
+#include "sxe_compat_kylin.h"
+#elif SUSE_PRODUCT_CODE                
+#include "sxe_compat_suse.h"
+#endif 
+
+#ifndef SXE_KERNEL_MATCHED
+#include "sxe_compat_std.h"
+#endif 
+
+#endif 

drivers/net/ethernet/linkdata/sxe/base/compat/sxe_compat_euler.h

@@ -0,0 +1,54 @@
+#ifndef __SXE_COMPAT_EULER_H__
+#define __SXE_COMPAT_EULER_H__
+
+#if !OPENEULER_VERSION_CODE
+#error "OPENEULER_VERSION_CODE is 0 or undefined"
+#endif
+
+#if defined OPENEULER_VERSION_CODE && (OPENEULER_VERSION_CODE == OPENEULER_VERSION(2203,1))
+#define HAVE_ETHTOOL_COALESCE_EXTACK
+#define HAVE_ETHTOOL_EXTENDED_RINGPARAMS
+#define XDP_RXQ_INFO_REQ_API_NEED_3_PARAMS
+#define HAVE_XDP_SUPPORT
+#define HAVE_XDP_BUFF_DATA_META
+#define HAVE_MEM_TYPE_XSK_BUFF_POOL
+#define HAVE_NETDEV_BPF_XSK_BUFF_POOL
+#define HAVE_AF_XDP_ZERO_COPY
+#define HAVE_XDP_BUFF_FRAME_SIZE
+#define HAVE_SKB_CSUM_SCTP_API
+#define HAVE_NETDEV_NESTED_PRIV
+#define HAVE_TIMEOUT_TXQUEUE_IDX
+#define HAVE_NET_PREFETCH_API
+#define HAVE_DEV_PAGE_IS_REUSABLE_API
+#define HAVE_NDO_XSK_WAKEUP
+#define HAVE_NDO_FDB_ADD_EXTACK
+#define HAVE_NDO_BRIDGE_SETLINK_EXTACK
+#define HAVE_NDO_SET_VF_LINK_STATE
+#define HAVE_MACVLAN_OFFLOAD_SUPPORT
+#define SXE_KERNEL_MATCHED
+#endif
+
+#if defined OPENEULER_VERSION_CODE && (OPENEULER_VERSION_CODE == OPENEULER_VERSION(2203,2))
+#define HAVE_ETHTOOL_COALESCE_EXTACK
+#define HAVE_ETHTOOL_EXTENDED_RINGPARAMS
+#define XDP_RXQ_INFO_REQ_API_NEED_3_PARAMS
+#define HAVE_XDP_SUPPORT
+#define HAVE_XDP_BUFF_DATA_META
+#define HAVE_MEM_TYPE_XSK_BUFF_POOL
+#define HAVE_NETDEV_BPF_XSK_BUFF_POOL
+#define HAVE_AF_XDP_ZERO_COPY
+#define HAVE_XDP_BUFF_FRAME_SIZE
+#define HAVE_SKB_CSUM_SCTP_API
+#define HAVE_NETDEV_NESTED_PRIV
+#define HAVE_TIMEOUT_TXQUEUE_IDX
+#define HAVE_NET_PREFETCH_API
+#define HAVE_DEV_PAGE_IS_REUSABLE_API
+#define HAVE_NDO_XSK_WAKEUP
+#define HAVE_NDO_FDB_ADD_EXTACK
+#define HAVE_NDO_BRIDGE_SETLINK_EXTACK
+#define HAVE_NDO_SET_VF_LINK_STATE
+#define HAVE_MACVLAN_OFFLOAD_SUPPORT
+#define SXE_KERNEL_MATCHED
+#endif
+
+#endif 

drivers/net/ethernet/linkdata/sxe/base/compat/sxe_compat_gcc.h

@@ -0,0 +1,14 @@
+#ifndef __SXE_COMPAT_GCC_H__
+#define __SXE_COMPAT_GCC_H__
+
+#ifdef __has_attribute
+#if __has_attribute(__fallthrough__)
+# define fallthrough __attribute__((__fallthrough__))
+#else
+# define fallthrough do {} while (0)  
+#endif 
+#else
+# define fallthrough do {} while (0)  
+#endif 
+
+#endif 

drivers/net/ethernet/linkdata/sxe/base/compat/sxe_compat_inc.h

@@ -0,0 +1,6 @@
+#ifndef __SXE_COMPAT_INC_H__
+#define __SXE_COMPAT_INC_H__
+
+#include <linux/filter.h>
+
+#endif 

drivers/net/ethernet/linkdata/sxe/base/compat/sxe_compat_kylin.h

@@ -0,0 +1,77 @@
+#ifndef __SXE_COMPAT_KYLIN_H__
+#define __SXE_COMPAT_KYLIN_H__
+
+#if !KYLIN_RELEASE_CODE
+#error "KYLIN_RELEASE_CODE is 0 or undefined"
+#endif
+
+#if defined KYLIN_RELEASE_CODE && (KYLIN_RELEASE_CODE == KYLIN_RELEASE_VERSION(10,1)) 
+#define HAVE_XDP_SUPPORT
+#define HAVE_XDP_BUFF_DATA_META
+#define XDP_XMIT_FRAME_FAILED_NEED_FREE
+#define HAVE_XDP_QUERY_PROG
+#define XDP_RXQ_INFO_REQ_API_NEED_3_PARAMS
+#define ETH_GET_HEADLEN_API_NEED_2_PARAM
+#define NEED_SKB_FRAG_OFF_API
+#define NEED_SKB_FRAG_OFF_ADD_API
+#define HAVE_MACVLAN_OFFLOAD_SUPPORT
+#define xdp_convert_buff_to_frame convert_to_xdp_frame
+#define ETH_P_LLDP	0x88CC
+#define HAVE_NDO_SET_VF_LINK_STATE
+#define SXE_KERNEL_MATCHED
+#endif
+
+#if defined KYLIN_RELEASE_CODE && (KYLIN_RELEASE_CODE == KYLIN_RELEASE_VERSION(10,3)) 
+#define HAVE_XDP_BUFF_FRAME_SIZE
+#define HAVE_XDP_SUPPORT
+#define HAVE_XDP_BUFF_DATA_META
+#define XDP_XMIT_FRAME_FAILED_NEED_FREE
+#define HAVE_XDP_QUERY_PROG
+#define XDP_RXQ_INFO_REQ_API_NEED_3_PARAMS
+#define HAVE_DEV_PAGE_IS_REUSABLE_API
+#define HAVE_MACVLAN_OFFLOAD_SUPPORT
+#define HAVE_AF_XDP_ZERO_COPY
+#define xdp_convert_buff_to_frame convert_to_xdp_frame
+#define ETH_P_LLDP	0x88CC
+
+#define HAVE_NDO_XSK_WAKEUP
+#define HAVE_NDO_SET_VF_LINK_STATE
+#define XDP_SETUP_XSK_POOL XDP_SETUP_XSK_UMEM
+#define xsk_uses_need_wakeup xsk_umem_uses_need_wakeup
+#define xsk_tx_peek_desc xsk_umem_consume_tx
+#define xsk_tx_release xsk_umem_consume_tx_done
+#define xsk_tx_completed xsk_umem_complete_tx
+#define SXE_KERNEL_MATCHED
+#endif
+
+#if defined KYLIN_RELEASE_CODE && (KYLIN_RELEASE_CODE == KYLIN_RELEASE_VERSION(10,4))  
+#define HAVE_XDP_SUPPORT
+#define HAVE_XDP_BUFF_DATA_META
+#define HAVE_MEM_TYPE_XSK_BUFF_POOL
+#define HAVE_XDP_BUFF_FRAME_SIZE
+#define HAVE_AF_XDP_ZERO_COPY
+#define XDP_RXQ_INFO_REQ_API_NEED_3_PARAMS
+#define XSK_BUFF_DMA_SYNC_API_NEED_1_PARAM
+#define XDP_XMIT_FRAME_FAILED_NEED_FREE
+#define HAVE_XDP_QUERY_PROG
+#define HAVE_NETDEV_NESTED_PRIV
+#define HAVE_DEV_PAGE_IS_REUSABLE_API
+#define HAVE_NDO_XSK_WAKEUP
+#define HAVE_NDO_FDB_ADD_EXTACK
+#define HAVE_NDO_BRIDGE_SETLINK_EXTACK
+#define HAVE_NDO_SET_VF_LINK_STATE
+#define HAVE_MACVLAN_OFFLOAD_SUPPORT
+
+#define XDP_SETUP_XSK_POOL XDP_SETUP_XSK_UMEM
+#define xsk_pool_get_rx_frame_size xsk_umem_get_rx_frame_size
+#define xsk_pool_set_rxq_info xsk_buff_set_rxq_info
+#define xsk_pool_dma_map xsk_buff_dma_map
+#define xsk_pool_dma_unmap xsk_buff_dma_unmap
+#define xsk_uses_need_wakeup xsk_umem_uses_need_wakeup
+#define xsk_tx_peek_desc xsk_umem_consume_tx
+#define xsk_tx_release xsk_umem_consume_tx_done
+#define xsk_tx_completed xsk_umem_complete_tx
+#define SXE_KERNEL_MATCHED
+#endif
+
+#endif