Resguardo inicial

linux-7.2.3/drivers/net/fjes/Makefile

@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0-only
+################################################################################
+#
+# FUJITSU Extended Socket Network Device driver
+# Copyright (c) 2015 FUJITSU LIMITED
+#
+################################################################################
+
+
+#
+# Makefile for the FUJITSU Extended Socket network device driver
+#
+
+obj-$(CONFIG_FUJITSU_ES) += fjes.o
+
+fjes-objs := fjes_main.o fjes_hw.o fjes_ethtool.o fjes_trace.o fjes_debugfs.o

linux-7.2.3/drivers/net/fjes/fjes.h

@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  FUJITSU Extended Socket Network Device driver
+ *  Copyright (c) 2015 FUJITSU LIMITED
+ */
+
+#ifndef FJES_H_
+#define FJES_H_
+
+#include <linux/acpi.h>
+
+#include "fjes_hw.h"
+
+#define FJES_ACPI_SYMBOL	"Extended Socket"
+#define FJES_MAX_QUEUES		1
+#define FJES_TX_RETRY_INTERVAL	(20 * HZ)
+#define FJES_TX_RETRY_TIMEOUT	(100)
+#define FJES_TX_TX_STALL_TIMEOUT	(FJES_TX_RETRY_INTERVAL / 2)
+#define FJES_OPEN_ZONE_UPDATE_WAIT	(300) /* msec */
+#define FJES_IRQ_WATCH_DELAY	(HZ)
+
+/* board specific private data structure */
+struct fjes_adapter {
+	struct net_device *netdev;
+	struct platform_device *plat_dev;
+
+	struct napi_struct napi;
+	struct rtnl_link_stats64 stats64;
+
+	unsigned int tx_retry_count;
+	unsigned long tx_start_jiffies;
+	unsigned long rx_last_jiffies;
+	bool unset_rx_last;
+
+	struct work_struct force_close_task;
+	bool force_reset;
+	bool open_guard;
+
+	bool irq_registered;
+
+	struct workqueue_struct *txrx_wq;
+	struct workqueue_struct *control_wq;
+
+	struct work_struct tx_stall_task;
+	struct work_struct raise_intr_rxdata_task;
+
+	struct work_struct unshare_watch_task;
+	unsigned long unshare_watch_bitmask;
+
+	struct delayed_work interrupt_watch_task;
+	bool interrupt_watch_enable;
+
+	struct fjes_hw hw;
+
+#ifdef CONFIG_DEBUG_FS
+	struct dentry *dbg_adapter;
+#endif
+};
+
+extern char fjes_driver_name[];
+extern char fjes_driver_version[];
+extern const u32 fjes_support_mtu[];
+
+void fjes_set_ethtool_ops(struct net_device *);
+
+#ifdef CONFIG_DEBUG_FS
+void fjes_dbg_adapter_init(struct fjes_adapter *adapter);
+void fjes_dbg_adapter_exit(struct fjes_adapter *adapter);
+void fjes_dbg_init(void);
+void fjes_dbg_exit(void);
+#else
+static inline void fjes_dbg_adapter_init(struct fjes_adapter *adapter) {}
+static inline void fjes_dbg_adapter_exit(struct fjes_adapter *adapter) {}
+static inline void fjes_dbg_init(void) {}
+static inline void fjes_dbg_exit(void) {}
+#endif /* CONFIG_DEBUG_FS */
+
+#endif /* FJES_H_ */

linux-7.2.3/drivers/net/fjes/fjes_debugfs.c

@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *  FUJITSU Extended Socket Network Device driver
+ *  Copyright (c) 2015-2016 FUJITSU LIMITED
+ */
+
+/* debugfs support for fjes driver */
+
+#ifdef CONFIG_DEBUG_FS
+
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/platform_device.h>
+
+#include "fjes.h"
+
+static struct dentry *fjes_debug_root;
+
+static const char * const ep_status_string[] = {
+	"unshared",
+	"shared",
+	"waiting",
+	"complete",
+};
+
+static int fjes_dbg_status_show(struct seq_file *m, void *v)
+{
+	struct fjes_adapter *adapter = m->private;
+	struct fjes_hw *hw = &adapter->hw;
+	int max_epid = hw->max_epid;
+	int my_epid = hw->my_epid;
+	int epidx;
+
+	seq_puts(m, "EPID\tSTATUS           SAME_ZONE        CONNECTED\n");
+	for (epidx = 0; epidx < max_epid; epidx++) {
+		if (epidx == my_epid) {
+			seq_printf(m, "ep%d\t%-16c %-16c %-16c\n",
+				   epidx, '-', '-', '-');
+		} else {
+			seq_printf(m, "ep%d\t%-16s %-16c %-16c\n",
+				   epidx,
+				   ep_status_string[fjes_hw_get_partner_ep_status(hw, epidx)],
+				   fjes_hw_epid_is_same_zone(hw, epidx) ? 'Y' : 'N',
+				   fjes_hw_epid_is_shared(hw->hw_info.share, epidx) ? 'Y' : 'N');
+		}
+	}
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(fjes_dbg_status);
+
+void fjes_dbg_adapter_init(struct fjes_adapter *adapter)
+{
+	const char *name = dev_name(&adapter->plat_dev->dev);
+
+	adapter->dbg_adapter = debugfs_create_dir(name, fjes_debug_root);
+
+	debugfs_create_file("status", 0444, adapter->dbg_adapter, adapter,
+			    &fjes_dbg_status_fops);
+}
+
+void fjes_dbg_adapter_exit(struct fjes_adapter *adapter)
+{
+	debugfs_remove_recursive(adapter->dbg_adapter);
+	adapter->dbg_adapter = NULL;
+}
+
+void fjes_dbg_init(void)
+{
+	fjes_debug_root = debugfs_create_dir(fjes_driver_name, NULL);
+}
+
+void fjes_dbg_exit(void)
+{
+	debugfs_remove_recursive(fjes_debug_root);
+	fjes_debug_root = NULL;
+}
+
+#endif /* CONFIG_DEBUG_FS */

linux-7.2.3/drivers/net/fjes/fjes_ethtool.c

@@ -0,0 +1,280 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *  FUJITSU Extended Socket Network Device driver
+ *  Copyright (c) 2015 FUJITSU LIMITED
+ */
+
+/* ethtool support for fjes */
+
+#include <linux/vmalloc.h>
+#include <linux/netdevice.h>
+#include <linux/ethtool.h>
+#include <linux/platform_device.h>
+
+#include "fjes.h"
+
+struct fjes_stats {
+	char stat_string[ETH_GSTRING_LEN];
+	int sizeof_stat;
+	int stat_offset;
+};
+
+#define FJES_STAT(name, stat) { \
+	.stat_string = name, \
+	.sizeof_stat = sizeof_field(struct fjes_adapter, stat), \
+	.stat_offset = offsetof(struct fjes_adapter, stat) \
+}
+
+static const struct fjes_stats fjes_gstrings_stats[] = {
+	FJES_STAT("rx_packets", stats64.rx_packets),
+	FJES_STAT("tx_packets", stats64.tx_packets),
+	FJES_STAT("rx_bytes", stats64.rx_bytes),
+	FJES_STAT("tx_bytes", stats64.rx_bytes),
+	FJES_STAT("rx_dropped", stats64.rx_dropped),
+	FJES_STAT("tx_dropped", stats64.tx_dropped),
+};
+
+#define FJES_EP_STATS_LEN 14
+#define FJES_STATS_LEN \
+	(ARRAY_SIZE(fjes_gstrings_stats) + \
+	 ((&((struct fjes_adapter *)netdev_priv(netdev))->hw)->max_epid - 1) * \
+	 FJES_EP_STATS_LEN)
+
+static void fjes_get_ethtool_stats(struct net_device *netdev,
+				   struct ethtool_stats *stats, u64 *data)
+{
+	struct fjes_adapter *adapter = netdev_priv(netdev);
+	struct fjes_hw *hw = &adapter->hw;
+	int epidx;
+	char *p;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(fjes_gstrings_stats); i++) {
+		p = (char *)adapter + fjes_gstrings_stats[i].stat_offset;
+		data[i] = (fjes_gstrings_stats[i].sizeof_stat == sizeof(u64))
+			? *(u64 *)p : *(u32 *)p;
+	}
+	for (epidx = 0; epidx < hw->max_epid; epidx++) {
+		if (epidx == hw->my_epid)
+			continue;
+		data[i++] = hw->ep_shm_info[epidx].ep_stats
+				.com_regist_buf_exec;
+		data[i++] = hw->ep_shm_info[epidx].ep_stats
+				.com_unregist_buf_exec;
+		data[i++] = hw->ep_shm_info[epidx].ep_stats.send_intr_rx;
+		data[i++] = hw->ep_shm_info[epidx].ep_stats.send_intr_unshare;
+		data[i++] = hw->ep_shm_info[epidx].ep_stats
+				.send_intr_zoneupdate;
+		data[i++] = hw->ep_shm_info[epidx].ep_stats.recv_intr_rx;
+		data[i++] = hw->ep_shm_info[epidx].ep_stats.recv_intr_unshare;
+		data[i++] = hw->ep_shm_info[epidx].ep_stats.recv_intr_stop;
+		data[i++] = hw->ep_shm_info[epidx].ep_stats
+				.recv_intr_zoneupdate;
+		data[i++] = hw->ep_shm_info[epidx].ep_stats.tx_buffer_full;
+		data[i++] = hw->ep_shm_info[epidx].ep_stats
+				.tx_dropped_not_shared;
+		data[i++] = hw->ep_shm_info[epidx].ep_stats
+				.tx_dropped_ver_mismatch;
+		data[i++] = hw->ep_shm_info[epidx].ep_stats
+				.tx_dropped_buf_size_mismatch;
+		data[i++] = hw->ep_shm_info[epidx].ep_stats
+				.tx_dropped_vlanid_mismatch;
+	}
+}
+
+static void fjes_get_strings(struct net_device *netdev,
+			     u32 stringset, u8 *data)
+{
+	struct fjes_adapter *adapter = netdev_priv(netdev);
+	struct fjes_hw *hw = &adapter->hw;
+	int i;
+
+	if (stringset != ETH_SS_STATS)
+		return;
+
+	for (i = 0; i < ARRAY_SIZE(fjes_gstrings_stats); i++)
+		ethtool_puts(&data, fjes_gstrings_stats[i].stat_string);
+
+	for (i = 0; i < hw->max_epid; i++) {
+		if (i == hw->my_epid)
+			continue;
+		ethtool_sprintf(&data, "ep%u_com_regist_buf_exec", i);
+		ethtool_sprintf(&data, "ep%u_com_unregist_buf_exec", i);
+		ethtool_sprintf(&data, "ep%u_send_intr_rx", i);
+		ethtool_sprintf(&data, "ep%u_send_intr_unshare", i);
+		ethtool_sprintf(&data, "ep%u_send_intr_zoneupdate", i);
+		ethtool_sprintf(&data, "ep%u_recv_intr_rx", i);
+		ethtool_sprintf(&data, "ep%u_recv_intr_unshare", i);
+		ethtool_sprintf(&data, "ep%u_recv_intr_stop", i);
+		ethtool_sprintf(&data, "ep%u_recv_intr_zoneupdate", i);
+		ethtool_sprintf(&data, "ep%u_tx_buffer_full", i);
+		ethtool_sprintf(&data, "ep%u_tx_dropped_not_shared", i);
+		ethtool_sprintf(&data, "ep%u_tx_dropped_ver_mismatch", i);
+		ethtool_sprintf(&data, "ep%u_tx_dropped_buf_size_mismatch", i);
+		ethtool_sprintf(&data, "ep%u_tx_dropped_vlanid_mismatch", i);
+	}
+}
+
+static int fjes_get_sset_count(struct net_device *netdev, int sset)
+{
+	switch (sset) {
+	case ETH_SS_STATS:
+		return FJES_STATS_LEN;
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static void fjes_get_drvinfo(struct net_device *netdev,
+			     struct ethtool_drvinfo *drvinfo)
+{
+	struct fjes_adapter *adapter = netdev_priv(netdev);
+	struct platform_device *plat_dev;
+
+	plat_dev = adapter->plat_dev;
+
+	strscpy(drvinfo->driver, fjes_driver_name, sizeof(drvinfo->driver));
+	strscpy(drvinfo->version, fjes_driver_version,
+		sizeof(drvinfo->version));
+
+	strscpy(drvinfo->fw_version, "none", sizeof(drvinfo->fw_version));
+	snprintf(drvinfo->bus_info, sizeof(drvinfo->bus_info),
+		 "platform:%s", plat_dev->name);
+}
+
+static int fjes_get_link_ksettings(struct net_device *netdev,
+				   struct ethtool_link_ksettings *ecmd)
+{
+	ethtool_link_ksettings_zero_link_mode(ecmd, supported);
+	ethtool_link_ksettings_zero_link_mode(ecmd, advertising);
+	ecmd->base.duplex = DUPLEX_FULL;
+	ecmd->base.autoneg = AUTONEG_DISABLE;
+	ecmd->base.port = PORT_NONE;
+	ecmd->base.speed = 20000;	/* 20Gb/s */
+
+	return 0;
+}
+
+static int fjes_get_regs_len(struct net_device *netdev)
+{
+#define FJES_REGS_LEN	37
+	return FJES_REGS_LEN * sizeof(u32);
+}
+
+static void fjes_get_regs(struct net_device *netdev,
+			  struct ethtool_regs *regs, void *p)
+{
+	struct fjes_adapter *adapter = netdev_priv(netdev);
+	struct fjes_hw *hw = &adapter->hw;
+	u32 *regs_buff = p;
+
+	memset(p, 0, FJES_REGS_LEN * sizeof(u32));
+
+	regs->version = 1;
+
+	/* Information registers */
+	regs_buff[0] = rd32(XSCT_OWNER_EPID);
+	regs_buff[1] = rd32(XSCT_MAX_EP);
+
+	/* Device Control registers */
+	regs_buff[4] = rd32(XSCT_DCTL);
+
+	/* Command Control registers */
+	regs_buff[8] = rd32(XSCT_CR);
+	regs_buff[9] = rd32(XSCT_CS);
+	regs_buff[10] = rd32(XSCT_SHSTSAL);
+	regs_buff[11] = rd32(XSCT_SHSTSAH);
+
+	regs_buff[13] = rd32(XSCT_REQBL);
+	regs_buff[14] = rd32(XSCT_REQBAL);
+	regs_buff[15] = rd32(XSCT_REQBAH);
+
+	regs_buff[17] = rd32(XSCT_RESPBL);
+	regs_buff[18] = rd32(XSCT_RESPBAL);
+	regs_buff[19] = rd32(XSCT_RESPBAH);
+
+	/* Interrupt Control registers */
+	regs_buff[32] = rd32(XSCT_IS);
+	regs_buff[33] = rd32(XSCT_IMS);
+	regs_buff[34] = rd32(XSCT_IMC);
+	regs_buff[35] = rd32(XSCT_IG);
+	regs_buff[36] = rd32(XSCT_ICTL);
+}
+
+static int fjes_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
+{
+	struct fjes_adapter *adapter = netdev_priv(netdev);
+	struct fjes_hw *hw = &adapter->hw;
+	int ret = 0;
+
+	if (dump->flag) {
+		if (hw->debug_mode)
+			return -EPERM;
+
+		hw->debug_mode = dump->flag;
+
+		/* enable debug mode */
+		mutex_lock(&hw->hw_info.lock);
+		ret = fjes_hw_start_debug(hw);
+		mutex_unlock(&hw->hw_info.lock);
+
+		if (ret)
+			hw->debug_mode = 0;
+	} else {
+		if (!hw->debug_mode)
+			return -EPERM;
+
+		/* disable debug mode */
+		mutex_lock(&hw->hw_info.lock);
+		ret = fjes_hw_stop_debug(hw);
+		mutex_unlock(&hw->hw_info.lock);
+	}
+
+	return ret;
+}
+
+static int fjes_get_dump_flag(struct net_device *netdev,
+			      struct ethtool_dump *dump)
+{
+	struct fjes_adapter *adapter = netdev_priv(netdev);
+	struct fjes_hw *hw = &adapter->hw;
+
+	dump->len = hw->hw_info.trace_size;
+	dump->version = 1;
+	dump->flag = hw->debug_mode;
+
+	return 0;
+}
+
+static int fjes_get_dump_data(struct net_device *netdev,
+			      struct ethtool_dump *dump, void *buf)
+{
+	struct fjes_adapter *adapter = netdev_priv(netdev);
+	struct fjes_hw *hw = &adapter->hw;
+	int ret = 0;
+
+	if (hw->hw_info.trace)
+		memcpy(buf, hw->hw_info.trace, hw->hw_info.trace_size);
+	else
+		ret = -EPERM;
+
+	return ret;
+}
+
+static const struct ethtool_ops fjes_ethtool_ops = {
+		.get_drvinfo		= fjes_get_drvinfo,
+		.get_ethtool_stats = fjes_get_ethtool_stats,
+		.get_strings      = fjes_get_strings,
+		.get_sset_count   = fjes_get_sset_count,
+		.get_regs		= fjes_get_regs,
+		.get_regs_len		= fjes_get_regs_len,
+		.set_dump		= fjes_set_dump,
+		.get_dump_flag		= fjes_get_dump_flag,
+		.get_dump_data		= fjes_get_dump_data,
+		.get_link_ksettings	= fjes_get_link_ksettings,
+};
+
+void fjes_set_ethtool_ops(struct net_device *netdev)
+{
+	netdev->ethtool_ops = &fjes_ethtool_ops;
+}

linux-7.2.3/drivers/net/fjes/fjes_hw.h

@@ -0,0 +1,356 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  FUJITSU Extended Socket Network Device driver
+ *  Copyright (c) 2015 FUJITSU LIMITED
+ */
+
+#ifndef FJES_HW_H_
+#define FJES_HW_H_
+
+#include <linux/netdevice.h>
+#include <linux/if_vlan.h>
+#include <linux/vmalloc.h>
+
+#include "fjes_regs.h"
+
+struct fjes_hw;
+
+#define EP_BUFFER_SUPPORT_VLAN_MAX 4
+#define EP_BUFFER_INFO_SIZE 4096
+
+#define FJES_DEBUG_PAGE_SIZE 4096
+#define FJES_DEBUG_BUFFER_SIZE	(16 * FJES_DEBUG_PAGE_SIZE)
+
+#define FJES_DEVICE_RESET_TIMEOUT  ((17 + 1) * 3 * 8) /* sec */
+#define FJES_COMMAND_REQ_TIMEOUT  ((5 + 1) * 3 * 8) /* sec */
+#define FJES_COMMAND_REQ_BUFF_TIMEOUT	(60 * 3) /* sec */
+#define FJES_COMMAND_EPSTOP_WAIT_TIMEOUT	(1) /* sec */
+
+#define FJES_CMD_REQ_ERR_INFO_PARAM  (0x0001)
+#define FJES_CMD_REQ_ERR_INFO_STATUS (0x0002)
+
+#define FJES_CMD_REQ_RES_CODE_NORMAL (0)
+#define FJES_CMD_REQ_RES_CODE_BUSY   (1)
+
+#define FJES_ZONING_STATUS_DISABLE	(0x00)
+#define FJES_ZONING_STATUS_ENABLE	(0x01)
+#define FJES_ZONING_STATUS_INVALID	(0xFF)
+
+#define FJES_ZONING_ZONE_TYPE_NONE (0xFF)
+
+#define FJES_TX_DELAY_SEND_NONE		(0)
+#define FJES_TX_DELAY_SEND_PENDING	(1)
+
+#define FJES_RX_STOP_REQ_NONE		(0x0)
+#define FJES_RX_STOP_REQ_DONE		(0x1)
+#define FJES_RX_STOP_REQ_REQUEST	(0x2)
+#define FJES_RX_POLL_WORK		(0x4)
+#define FJES_RX_MTU_CHANGING_DONE	(0x8)
+
+#define EP_BUFFER_SIZE \
+	(((sizeof(union ep_buffer_info) + (128 * (64 * 1024))) \
+		/ EP_BUFFER_INFO_SIZE) * EP_BUFFER_INFO_SIZE)
+
+#define EP_RING_NUM(buffer_size, frame_size) \
+		(u32)((buffer_size) / (frame_size))
+#define EP_RING_INDEX(_num, _max) (((_num) + (_max)) % (_max))
+#define EP_RING_INDEX_INC(_num, _max) \
+	((_num) = EP_RING_INDEX((_num) + 1, (_max)))
+#define EP_RING_FULL(_head, _tail, _max)				\
+	(0 == EP_RING_INDEX(((_tail) - (_head)), (_max)))
+#define EP_RING_EMPTY(_head, _tail, _max) \
+	(1 == EP_RING_INDEX(((_tail) - (_head)), (_max)))
+
+#define FJES_MTU_TO_BUFFER_SIZE(mtu) \
+	(ETH_HLEN + VLAN_HLEN + (mtu) + ETH_FCS_LEN)
+#define FJES_MTU_TO_FRAME_SIZE(mtu) \
+	(sizeof(struct esmem_frame) + FJES_MTU_TO_BUFFER_SIZE(mtu))
+#define FJES_MTU_DEFINE(size) \
+	((size) - sizeof(struct esmem_frame) - \
+	(ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN))
+
+#define FJES_DEV_COMMAND_INFO_REQ_LEN	(4)
+#define FJES_DEV_COMMAND_INFO_RES_LEN(epnum) (8 + 2 * (epnum))
+#define FJES_DEV_COMMAND_SHARE_BUFFER_REQ_LEN(txb, rxb) \
+	(24 + (8 * ((txb) / EP_BUFFER_INFO_SIZE + (rxb) / EP_BUFFER_INFO_SIZE)))
+#define FJES_DEV_COMMAND_SHARE_BUFFER_RES_LEN	(8)
+#define FJES_DEV_COMMAND_UNSHARE_BUFFER_REQ_LEN	(8)
+#define FJES_DEV_COMMAND_UNSHARE_BUFFER_RES_LEN	(8)
+
+#define FJES_DEV_REQ_BUF_SIZE(maxep) \
+	FJES_DEV_COMMAND_SHARE_BUFFER_REQ_LEN(EP_BUFFER_SIZE, EP_BUFFER_SIZE)
+#define FJES_DEV_RES_BUF_SIZE(maxep) \
+	FJES_DEV_COMMAND_INFO_RES_LEN(maxep)
+
+#define FJES_DEV_COMMAND_START_DBG_REQ_LEN(byte) \
+	(16 + (8 * (byte) / FJES_DEBUG_PAGE_SIZE))
+#define FJES_DEV_COMMAND_START_DBG_RES_LEN (8)
+#define FJES_DEV_COMMAND_STOP_DBG_REQ_LEN (4)
+#define FJES_DEV_COMMAND_STOP_DBG_RES_LEN (8)
+
+/* Frame & MTU */
+struct esmem_frame {
+	__le32 frame_size;
+	u8 frame_data[];
+};
+
+/* EP partner status */
+enum ep_partner_status {
+	EP_PARTNER_UNSHARE,
+	EP_PARTNER_SHARED,
+	EP_PARTNER_WAITING,
+	EP_PARTNER_COMPLETE,
+	EP_PARTNER_STATUS_MAX,
+};
+
+/* shared status region */
+struct fjes_device_shared_info {
+	int epnum;
+	u8 ep_status[];
+};
+
+/* structures for command control request data*/
+union fjes_device_command_req {
+	struct {
+		__le32 length;
+	} info;
+	struct {
+		__le32 length;
+		__le32 epid;
+		__le64 buffer[];
+	} share_buffer;
+	struct {
+		__le32 length;
+		__le32 epid;
+	} unshare_buffer;
+	struct {
+		__le32 length;
+		__le32 mode;
+		__le64 buffer_len;
+		__le64 buffer[];
+	} start_trace;
+	struct {
+		__le32 length;
+	} stop_trace;
+};
+
+/* structures for command control response data */
+union fjes_device_command_res {
+	struct {
+		__le32 length;
+		__le32 code;
+		struct {
+			u8 es_status;
+			u8 zone;
+		} info[];
+	} info;
+	struct {
+		__le32 length;
+		__le32 code;
+	} share_buffer;
+	struct {
+		__le32 length;
+		__le32 code;
+	} unshare_buffer;
+	struct {
+		__le32 length;
+		__le32 code;
+	} start_trace;
+	struct {
+		__le32 length;
+		__le32 code;
+	} stop_trace;
+};
+
+/* request command type */
+enum fjes_dev_command_request_type {
+	FJES_CMD_REQ_INFO		= 0x0001,
+	FJES_CMD_REQ_SHARE_BUFFER	= 0x0002,
+	FJES_CMD_REQ_UNSHARE_BUFFER	= 0x0004,
+	FJES_CMD_REQ_START_DEBUG	= 0x0100,
+	FJES_CMD_REQ_STOP_DEBUG		= 0x0200,
+};
+
+/* parameter for command control */
+struct fjes_device_command_param {
+	u32 req_len;
+	phys_addr_t req_start;
+	u32 res_len;
+	phys_addr_t res_start;
+	phys_addr_t share_start;
+};
+
+/* error code for command control */
+enum fjes_dev_command_response_e {
+	FJES_CMD_STATUS_UNKNOWN,
+	FJES_CMD_STATUS_NORMAL,
+	FJES_CMD_STATUS_TIMEOUT,
+	FJES_CMD_STATUS_ERROR_PARAM,
+	FJES_CMD_STATUS_ERROR_STATUS,
+};
+
+/* EP buffer information */
+union ep_buffer_info {
+	u8 raw[EP_BUFFER_INFO_SIZE];
+
+	struct _ep_buffer_info_common_t {
+		u32 version;
+	} common;
+
+	struct _ep_buffer_info_v1_t {
+		u32 version;
+		u32 info_size;
+
+		u32 buffer_size;
+		u16 count_max;
+
+		u16 _rsv_1;
+
+		u32 frame_max;
+		u8 mac_addr[ETH_ALEN];
+
+		u16 _rsv_2;
+		u32 _rsv_3;
+
+		u16 tx_status;
+		u16 rx_status;
+
+		u32 head;
+		u32 tail;
+
+		u16 vlan_id[EP_BUFFER_SUPPORT_VLAN_MAX];
+
+	} v1i;
+
+};
+
+/* statistics of EP */
+struct fjes_drv_ep_stats {
+	u64 com_regist_buf_exec;
+	u64 com_unregist_buf_exec;
+	u64 send_intr_rx;
+	u64 send_intr_unshare;
+	u64 send_intr_zoneupdate;
+	u64 recv_intr_rx;
+	u64 recv_intr_unshare;
+	u64 recv_intr_stop;
+	u64 recv_intr_zoneupdate;
+	u64 tx_buffer_full;
+	u64 tx_dropped_not_shared;
+	u64 tx_dropped_ver_mismatch;
+	u64 tx_dropped_buf_size_mismatch;
+	u64 tx_dropped_vlanid_mismatch;
+};
+
+/* buffer pair for Extended Partition */
+struct ep_share_mem_info {
+	struct epbuf_handler {
+		void *buffer;
+		size_t size;
+		union ep_buffer_info *info;
+		u8 *ring;
+	} tx, rx;
+
+	struct rtnl_link_stats64 net_stats;
+	struct fjes_drv_ep_stats ep_stats;
+
+	u16 tx_status_work;
+
+	u8 es_status;
+	u8 zone;
+};
+
+struct es_device_trace {
+	u32 record_num;
+	u32 current_record;
+	u32 status_flag;
+	u32 _rsv;
+
+	struct {
+			u16 epid;
+			u16 dir_offset;
+			u32 data;
+			u64 tsc;
+	} record[];
+};
+
+struct fjes_hw_info {
+	struct fjes_device_shared_info *share;
+	union fjes_device_command_req *req_buf;
+	u64 req_buf_size;
+	union fjes_device_command_res *res_buf;
+	u64 res_buf_size;
+
+	int *my_epid;
+	int *max_epid;
+
+	struct es_device_trace *trace;
+	u64 trace_size;
+
+	struct mutex lock; /* buffer lock*/
+
+	unsigned long buffer_share_bit;
+	unsigned long buffer_unshare_reserve_bit;
+};
+
+struct fjes_hw {
+	void *back;
+
+	unsigned long txrx_stop_req_bit;
+	unsigned long epstop_req_bit;
+	struct work_struct update_zone_task;
+	struct work_struct epstop_task;
+
+	int my_epid;
+	int max_epid;
+
+	struct ep_share_mem_info *ep_shm_info;
+
+	struct fjes_hw_resource {
+		u64 start;
+		u64 size;
+		int irq;
+	} hw_res;
+
+	u8 *base;
+
+	struct fjes_hw_info hw_info;
+
+	spinlock_t rx_status_lock; /* spinlock for rx_status */
+
+	u32 debug_mode;
+};
+
+int fjes_hw_init(struct fjes_hw *);
+void fjes_hw_exit(struct fjes_hw *);
+int fjes_hw_reset(struct fjes_hw *);
+int fjes_hw_request_info(struct fjes_hw *);
+int fjes_hw_register_buff_addr(struct fjes_hw *, int,
+			       struct ep_share_mem_info *);
+int fjes_hw_unregister_buff_addr(struct fjes_hw *, int);
+void fjes_hw_init_command_registers(struct fjes_hw *,
+				    struct fjes_device_command_param *);
+void fjes_hw_setup_epbuf(struct epbuf_handler *, const u8 *, u32);
+int fjes_hw_raise_interrupt(struct fjes_hw *, int, enum REG_ICTL_MASK);
+void fjes_hw_set_irqmask(struct fjes_hw *, enum REG_ICTL_MASK, bool);
+u32 fjes_hw_capture_interrupt_status(struct fjes_hw *);
+void fjes_hw_raise_epstop(struct fjes_hw *);
+int fjes_hw_wait_epstop(struct fjes_hw *);
+enum ep_partner_status
+	fjes_hw_get_partner_ep_status(struct fjes_hw *, int);
+
+bool fjes_hw_epid_is_same_zone(struct fjes_hw *, int);
+int fjes_hw_epid_is_shared(struct fjes_device_shared_info *, int);
+bool fjes_hw_check_epbuf_version(struct epbuf_handler *, u32);
+bool fjes_hw_check_mtu(struct epbuf_handler *, u32);
+bool fjes_hw_check_vlan_id(struct epbuf_handler *, u16);
+bool fjes_hw_set_vlan_id(struct epbuf_handler *, u16);
+void fjes_hw_del_vlan_id(struct epbuf_handler *, u16);
+bool fjes_hw_epbuf_rx_is_empty(struct epbuf_handler *);
+void *fjes_hw_epbuf_rx_curpkt_get_addr(struct epbuf_handler *, size_t *);
+void fjes_hw_epbuf_rx_curpkt_drop(struct epbuf_handler *);
+int fjes_hw_epbuf_tx_pkt_send(struct epbuf_handler *, void *, size_t);
+
+int fjes_hw_start_debug(struct fjes_hw *);
+int fjes_hw_stop_debug(struct fjes_hw *);
+#endif /* FJES_HW_H_ */

linux-7.2.3/drivers/net/fjes/fjes_regs.h

@@ -0,0 +1,127 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  FUJITSU Extended Socket Network Device driver
+ *  Copyright (c) 2015 FUJITSU LIMITED
+ */
+
+#ifndef FJES_REGS_H_
+#define FJES_REGS_H_
+
+#include <linux/bitops.h>
+
+#define XSCT_DEVICE_REGISTER_SIZE 0x1000
+
+/* register offset */
+/* Information registers */
+#define XSCT_OWNER_EPID     0x0000  /* Owner EPID */
+#define XSCT_MAX_EP         0x0004  /* Maximum EP */
+
+/* Device Control registers */
+#define XSCT_DCTL           0x0010  /* Device Control */
+
+/* Command Control registers */
+#define XSCT_CR             0x0020  /* Command request */
+#define XSCT_CS             0x0024  /* Command status */
+#define XSCT_SHSTSAL        0x0028  /* Share status address Low */
+#define XSCT_SHSTSAH        0x002C  /* Share status address High */
+
+#define XSCT_REQBL          0x0034  /* Request Buffer length */
+#define XSCT_REQBAL         0x0038  /* Request Buffer Address Low */
+#define XSCT_REQBAH         0x003C  /* Request Buffer Address High */
+
+#define XSCT_RESPBL         0x0044  /* Response Buffer Length */
+#define XSCT_RESPBAL        0x0048  /* Response Buffer Address Low */
+#define XSCT_RESPBAH        0x004C  /* Response Buffer Address High */
+
+/* Interrupt Control registers */
+#define XSCT_IS             0x0080  /* Interrupt status */
+#define XSCT_IMS            0x0084  /* Interrupt mask set */
+#define XSCT_IMC            0x0088  /* Interrupt mask clear */
+#define XSCT_IG             0x008C  /* Interrupt generator */
+#define XSCT_ICTL           0x0090  /* Interrupt control */
+
+/* register structure */
+/* Information registers */
+union REG_OWNER_EPID {
+	struct {
+		__le32 epid:16;
+		__le32:16;
+	} bits;
+	__le32 reg;
+};
+
+union REG_MAX_EP {
+	struct {
+		__le32 maxep:16;
+		__le32:16;
+	} bits;
+	__le32 reg;
+};
+
+/* Device Control registers */
+union REG_DCTL {
+	struct {
+		__le32 reset:1;
+		__le32 rsv0:15;
+		__le32 rsv1:16;
+	} bits;
+	__le32 reg;
+};
+
+/* Command Control registers */
+union REG_CR {
+	struct {
+		__le32 req_code:16;
+		__le32 err_info:14;
+		__le32 error:1;
+		__le32 req_start:1;
+	} bits;
+	__le32 reg;
+};
+
+union REG_CS {
+	struct {
+		__le32 req_code:16;
+		__le32 rsv0:14;
+		__le32 busy:1;
+		__le32 complete:1;
+	} bits;
+	__le32 reg;
+};
+
+/* Interrupt Control registers */
+union REG_ICTL {
+	struct {
+		__le32 automak:1;
+		__le32 rsv0:31;
+	} bits;
+	__le32 reg;
+};
+
+enum REG_ICTL_MASK {
+	REG_ICTL_MASK_INFO_UPDATE     = 1 << 20,
+	REG_ICTL_MASK_DEV_STOP_REQ    = 1 << 19,
+	REG_ICTL_MASK_TXRX_STOP_REQ   = 1 << 18,
+	REG_ICTL_MASK_TXRX_STOP_DONE  = 1 << 17,
+	REG_ICTL_MASK_RX_DATA         = 1 << 16,
+	REG_ICTL_MASK_ALL             = GENMASK(20, 16),
+};
+
+enum REG_IS_MASK {
+	REG_IS_MASK_IS_ASSERT	= 1 << 31,
+	REG_IS_MASK_EPID	= GENMASK(15, 0),
+};
+
+struct fjes_hw;
+
+u32 fjes_hw_rd32(struct fjes_hw *hw, u32 reg);
+
+#define wr32(reg, val) \
+do { \
+	u8 *base = hw->base; \
+	writel((val), &base[(reg)]); \
+} while (0)
+
+#define rd32(reg) (fjes_hw_rd32(hw, reg))
+
+#endif /* FJES_REGS_H_ */

linux-7.2.3/drivers/net/fjes/fjes_trace.c

@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *  FUJITSU Extended Socket Network Device driver
+ *  Copyright (c) 2015-2016 FUJITSU LIMITED
+ */
+
+#include <linux/module.h>
+
+#ifndef __CHECKER__
+#include "fjes_hw.h"
+
+#define CREATE_TRACE_POINTS
+#include "fjes_trace.h"
+
+#endif /* __CHECKER__ */

linux-7.2.3/drivers/net/fjes/fjes_trace.h

@@ -0,0 +1,365 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  FUJITSU Extended Socket Network Device driver
+ *  Copyright (c) 2015-2016 FUJITSU LIMITED
+ */
+
+#if !defined(FJES_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
+#define FJES_TRACE_H_
+
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM fjes
+
+/* tracepoints for fjes_hw.c */
+
+TRACE_EVENT(fjes_hw_issue_request_command,
+	TP_PROTO(union REG_CR *cr, union REG_CS *cs, int timeout,
+		 enum fjes_dev_command_response_e ret),
+	TP_ARGS(cr, cs, timeout, ret),
+	TP_STRUCT__entry(
+		__field(u16, cr_req)
+		__field(u8, cr_error)
+		__field(u16, cr_err_info)
+		__field(u8, cr_req_start)
+		__field(u16, cs_req)
+		__field(u8, cs_busy)
+		__field(u8, cs_complete)
+		__field(int, timeout)
+		__field(int, ret)
+	),
+	TP_fast_assign(
+		__entry->cr_req = cr->bits.req_code;
+		__entry->cr_error = cr->bits.error;
+		__entry->cr_err_info = cr->bits.err_info;
+		__entry->cr_req_start = cr->bits.req_start;
+		__entry->cs_req = cs->bits.req_code;
+		__entry->cs_busy = cs->bits.busy;
+		__entry->cs_complete = cs->bits.complete;
+		__entry->timeout = timeout;
+		__entry->ret = ret;
+	),
+	TP_printk("CR=[req=%04x, error=%u, err_info=%04x, req_start=%u], CS=[req=%04x, busy=%u, complete=%u], timeout=%d, ret=%d",
+		  __entry->cr_req, __entry->cr_error, __entry->cr_err_info,
+		  __entry->cr_req_start, __entry->cs_req, __entry->cs_busy,
+		  __entry->cs_complete, __entry->timeout, __entry->ret)
+);
+
+TRACE_EVENT(fjes_hw_request_info,
+	TP_PROTO(struct fjes_hw *hw, union fjes_device_command_res *res_buf),
+	TP_ARGS(hw, res_buf),
+	TP_STRUCT__entry(
+		__field(int, length)
+		__field(int, code)
+		__dynamic_array(u8, zone, hw->max_epid)
+		__dynamic_array(u8, status, hw->max_epid)
+	),
+	TP_fast_assign(
+		int x;
+
+		__entry->length = res_buf->info.length;
+		__entry->code = res_buf->info.code;
+		for (x = 0; x < hw->max_epid; x++) {
+			*((u8 *)__get_dynamic_array(zone) + x) =
+					res_buf->info.info[x].zone;
+			*((u8 *)__get_dynamic_array(status) + x) =
+					res_buf->info.info[x].es_status;
+		}
+	),
+	TP_printk("res_buf=[length=%d, code=%d, es_zones=%s, es_status=%s]",
+		  __entry->length, __entry->code,
+		  __print_array(__get_dynamic_array(zone),
+				__get_dynamic_array_len(zone) / sizeof(u8),
+				sizeof(u8)),
+		  __print_array(__get_dynamic_array(status),
+				__get_dynamic_array_len(status) / sizeof(u8),
+				sizeof(u8)))
+);
+
+TRACE_EVENT(fjes_hw_request_info_err,
+	TP_PROTO(char *err),
+	TP_ARGS(err),
+	TP_STRUCT__entry(
+		__string(err, err)
+	),
+	TP_fast_assign(
+		__assign_str(err);
+	),
+	TP_printk("%s", __get_str(err))
+);
+
+TRACE_EVENT(fjes_hw_register_buff_addr_req,
+	TP_PROTO(union fjes_device_command_req *req_buf,
+		 struct ep_share_mem_info *buf_pair),
+	TP_ARGS(req_buf, buf_pair),
+	TP_STRUCT__entry(
+		__field(int, length)
+		__field(int, epid)
+		__field(u64, tx)
+		__field(size_t,	tx_size)
+		__field(u64, rx)
+		__field(size_t,	rx_size)
+	),
+	TP_fast_assign(
+		void *tx, *rx;
+
+		tx = (void *)buf_pair->tx.buffer;
+		rx = (void *)buf_pair->rx.buffer;
+		__entry->length = req_buf->share_buffer.length;
+		__entry->epid = req_buf->share_buffer.epid;
+		__entry->tx_size = buf_pair->tx.size;
+		__entry->rx_size = buf_pair->rx.size;
+		__entry->tx = page_to_phys(vmalloc_to_page(tx)) +
+				offset_in_page(tx);
+		__entry->rx = page_to_phys(vmalloc_to_page(rx)) +
+				offset_in_page(rx);
+	),
+	TP_printk("req_buf=[length=%d, epid=%d], TX=[phy=0x%016llx, size=%zu], RX=[phy=0x%016llx, size=%zu]",
+		  __entry->length, __entry->epid, __entry->tx, __entry->tx_size,
+		  __entry->rx, __entry->rx_size)
+);
+
+TRACE_EVENT(fjes_hw_register_buff_addr,
+	TP_PROTO(union fjes_device_command_res *res_buf, int timeout),
+	TP_ARGS(res_buf, timeout),
+	TP_STRUCT__entry(
+		__field(int, length)
+		__field(int, code)
+		__field(int, timeout)
+	),
+	TP_fast_assign(
+		__entry->length = res_buf->share_buffer.length;
+		__entry->code = res_buf->share_buffer.code;
+		__entry->timeout = timeout;
+	),
+	TP_printk("res_buf=[length=%d, code=%d], timeout=%d",
+		  __entry->length, __entry->code, __entry->timeout)
+);
+
+TRACE_EVENT(fjes_hw_register_buff_addr_err,
+	TP_PROTO(char *err),
+	TP_ARGS(err),
+	TP_STRUCT__entry(
+		__string(err, err)
+	),
+	TP_fast_assign(
+		__assign_str(err);
+	),
+	TP_printk("%s", __get_str(err))
+);
+
+TRACE_EVENT(fjes_hw_unregister_buff_addr_req,
+	TP_PROTO(union fjes_device_command_req *req_buf),
+	TP_ARGS(req_buf),
+	TP_STRUCT__entry(
+		__field(int, length)
+		__field(int, epid)
+	),
+	TP_fast_assign(
+		__entry->length = req_buf->unshare_buffer.length;
+		__entry->epid = req_buf->unshare_buffer.epid;
+	),
+	TP_printk("req_buf=[length=%d, epid=%d]",
+		  __entry->length, __entry->epid)
+);
+
+TRACE_EVENT(fjes_hw_unregister_buff_addr,
+	TP_PROTO(union fjes_device_command_res *res_buf, int timeout),
+	TP_ARGS(res_buf, timeout),
+	TP_STRUCT__entry(
+		__field(int, length)
+		__field(int, code)
+		__field(int, timeout)
+	),
+	TP_fast_assign(
+		__entry->length = res_buf->unshare_buffer.length;
+		__entry->code = res_buf->unshare_buffer.code;
+		__entry->timeout = timeout;
+	),
+	TP_printk("res_buf=[length=%d, code=%d], timeout=%d",
+		  __entry->length, __entry->code, __entry->timeout)
+);
+
+TRACE_EVENT(fjes_hw_unregister_buff_addr_err,
+	TP_PROTO(char *err),
+	TP_ARGS(err),
+	TP_STRUCT__entry(
+		__string(err, err)
+	),
+	TP_fast_assign(
+		__assign_str(err);
+	),
+	TP_printk("%s", __get_str(err))
+);
+
+TRACE_EVENT(fjes_hw_start_debug_req,
+	TP_PROTO(union fjes_device_command_req *req_buf),
+	TP_ARGS(req_buf),
+	TP_STRUCT__entry(
+		__field(int, length)
+		__field(int, mode)
+		__field(phys_addr_t, buffer)
+	),
+	TP_fast_assign(
+		__entry->length = req_buf->start_trace.length;
+		__entry->mode = req_buf->start_trace.mode;
+		__entry->buffer = req_buf->start_trace.buffer[0];
+	),
+	TP_printk("req_buf=[length=%d, mode=%d, buffer=%pap]",
+		  __entry->length, __entry->mode, &__entry->buffer)
+);
+
+TRACE_EVENT(fjes_hw_start_debug,
+	TP_PROTO(union fjes_device_command_res *res_buf),
+	TP_ARGS(res_buf),
+	TP_STRUCT__entry(
+		__field(int, length)
+		__field(int, code)
+	),
+	TP_fast_assign(
+		__entry->length = res_buf->start_trace.length;
+		__entry->code = res_buf->start_trace.code;
+	),
+	TP_printk("res_buf=[length=%d, code=%d]", __entry->length, __entry->code)
+);
+
+TRACE_EVENT(fjes_hw_start_debug_err,
+	TP_PROTO(char *err),
+	TP_ARGS(err),
+	TP_STRUCT__entry(
+		 __string(err, err)
+	),
+	TP_fast_assign(
+		__assign_str(err);
+	),
+	TP_printk("%s", __get_str(err))
+);
+
+TRACE_EVENT(fjes_hw_stop_debug,
+	TP_PROTO(union fjes_device_command_res *res_buf),
+	TP_ARGS(res_buf),
+	TP_STRUCT__entry(
+		__field(int, length)
+		__field(int, code)
+	),
+	TP_fast_assign(
+		__entry->length = res_buf->stop_trace.length;
+		__entry->code = res_buf->stop_trace.code;
+	),
+	TP_printk("res_buf=[length=%d, code=%d]", __entry->length, __entry->code)
+);
+
+TRACE_EVENT(fjes_hw_stop_debug_err,
+	TP_PROTO(char *err),
+	TP_ARGS(err),
+	TP_STRUCT__entry(
+		 __string(err, err)
+	),
+	TP_fast_assign(
+		__assign_str(err);
+	),
+	TP_printk("%s", __get_str(err))
+);
+
+/* tracepoints for fjes_main.c */
+
+TRACE_EVENT(fjes_txrx_stop_req_irq_pre,
+	TP_PROTO(struct fjes_hw *hw, int src_epid,
+		 enum ep_partner_status status),
+	TP_ARGS(hw, src_epid, status),
+	TP_STRUCT__entry(
+		__field(int, src_epid)
+		__field(enum ep_partner_status, status)
+		__field(u8, ep_status)
+		__field(unsigned long, txrx_stop_req_bit)
+		__field(u16, rx_status)
+	),
+	TP_fast_assign(
+		__entry->src_epid = src_epid;
+		__entry->status = status;
+		__entry->ep_status = hw->hw_info.share->ep_status[src_epid];
+		__entry->txrx_stop_req_bit = hw->txrx_stop_req_bit;
+		__entry->rx_status =
+			hw->ep_shm_info[src_epid].tx.info->v1i.rx_status;
+	),
+	TP_printk("epid=%d, partner_status=%d, ep_status=%x, txrx_stop_req_bit=%016lx, tx.rx_status=%08x",
+		  __entry->src_epid, __entry->status, __entry->ep_status,
+		  __entry->txrx_stop_req_bit, __entry->rx_status)
+);
+
+TRACE_EVENT(fjes_txrx_stop_req_irq_post,
+	TP_PROTO(struct fjes_hw *hw, int src_epid),
+	TP_ARGS(hw, src_epid),
+	TP_STRUCT__entry(
+		__field(int, src_epid)
+		__field(u8, ep_status)
+		__field(unsigned long, txrx_stop_req_bit)
+		__field(u16, rx_status)
+	),
+	TP_fast_assign(
+		__entry->src_epid = src_epid;
+		__entry->ep_status = hw->hw_info.share->ep_status[src_epid];
+		__entry->txrx_stop_req_bit = hw->txrx_stop_req_bit;
+		__entry->rx_status = hw->ep_shm_info[src_epid].tx.info->v1i.rx_status;
+	),
+	TP_printk("epid=%d, ep_status=%x, txrx_stop_req_bit=%016lx, tx.rx_status=%08x",
+		  __entry->src_epid, __entry->ep_status,
+		  __entry->txrx_stop_req_bit, __entry->rx_status)
+);
+
+TRACE_EVENT(fjes_stop_req_irq_pre,
+	TP_PROTO(struct fjes_hw *hw, int src_epid,
+		 enum ep_partner_status status),
+	TP_ARGS(hw, src_epid, status),
+	TP_STRUCT__entry(
+		__field(int, src_epid)
+		__field(enum ep_partner_status, status)
+		__field(u8, ep_status)
+		__field(unsigned long, txrx_stop_req_bit)
+		__field(u16, rx_status)
+	),
+	TP_fast_assign(
+		__entry->src_epid = src_epid;
+		__entry->status = status;
+		__entry->ep_status = hw->hw_info.share->ep_status[src_epid];
+		__entry->txrx_stop_req_bit = hw->txrx_stop_req_bit;
+		__entry->rx_status =
+			hw->ep_shm_info[src_epid].tx.info->v1i.rx_status;
+	),
+	TP_printk("epid=%d, partner_status=%d, ep_status=%x, txrx_stop_req_bit=%016lx, tx.rx_status=%08x",
+		  __entry->src_epid, __entry->status, __entry->ep_status,
+		  __entry->txrx_stop_req_bit, __entry->rx_status)
+);
+
+TRACE_EVENT(fjes_stop_req_irq_post,
+	TP_PROTO(struct fjes_hw *hw, int src_epid),
+	TP_ARGS(hw, src_epid),
+	TP_STRUCT__entry(
+		__field(int, src_epid)
+		__field(u8, ep_status)
+		__field(unsigned long, txrx_stop_req_bit)
+		__field(u16, rx_status)
+	),
+	TP_fast_assign(
+		__entry->src_epid = src_epid;
+		__entry->ep_status = hw->hw_info.share->ep_status[src_epid];
+		__entry->txrx_stop_req_bit = hw->txrx_stop_req_bit;
+		__entry->rx_status =
+			hw->ep_shm_info[src_epid].tx.info->v1i.rx_status;
+	),
+	TP_printk("epid=%d, ep_status=%x, txrx_stop_req_bit=%016lx, tx.rx_status=%08x",
+		  __entry->src_epid, __entry->ep_status,
+		  __entry->txrx_stop_req_bit, __entry->rx_status)
+);
+
+#endif /* FJES_TRACE_H_ */
+
+#undef TRACE_INCLUDE_PATH
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_PATH ../../drivers/net/fjes
+#define TRACE_INCLUDE_FILE fjes_trace
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>