Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 741 insertions, 0 deletions

diff --git a/drivers/net/wireless/mwifiex/debugfs.c b/drivers/net/wireless/mwifiex/debugfs.c
new file mode 100644
index 00000000..1a845074
--- /dev/null
+++ b/drivers/net/wireless/mwifiex/debugfs.c
@@ -0,0 +1,741 @@
+/*
+ * Marvell Wireless LAN device driver: debugfs
+ *
+ * Copyright (C) 2011, Marvell International Ltd.
+ *
+ * This software file (the "File") is distributed by Marvell International
+ * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License").  You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available by writing to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
+ * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
+ * this warranty disclaimer.
+ */
+
+#include <linux/debugfs.h>
+
+#include "main.h"
+#include "11n.h"
+
+
+static struct dentry *mwifiex_dfs_dir;
+
+static char *bss_modes[] = {
+	"Unknown",
+	"Ad-hoc",
+	"Managed",
+	"Auto"
+};
+
+/* size/addr for mwifiex_debug_info */
+#define item_size(n)		(FIELD_SIZEOF(struct mwifiex_debug_info, n))
+#define item_addr(n)		(offsetof(struct mwifiex_debug_info, n))
+
+/* size/addr for struct mwifiex_adapter */
+#define adapter_item_size(n)	(FIELD_SIZEOF(struct mwifiex_adapter, n))
+#define adapter_item_addr(n)	(offsetof(struct mwifiex_adapter, n))
+
+struct mwifiex_debug_data {
+	char name[32];		/* variable/array name */
+	u32 size;		/* size of the variable/array */
+	size_t addr;		/* address of the variable/array */
+	int num;		/* number of variables in an array */
+};
+
+static struct mwifiex_debug_data items[] = {
+	{"int_counter", item_size(int_counter),
+	 item_addr(int_counter), 1},
+	{"wmm_ac_vo", item_size(packets_out[WMM_AC_VO]),
+	 item_addr(packets_out[WMM_AC_VO]), 1},
+	{"wmm_ac_vi", item_size(packets_out[WMM_AC_VI]),
+	 item_addr(packets_out[WMM_AC_VI]), 1},
+	{"wmm_ac_be", item_size(packets_out[WMM_AC_BE]),
+	 item_addr(packets_out[WMM_AC_BE]), 1},
+	{"wmm_ac_bk", item_size(packets_out[WMM_AC_BK]),
+	 item_addr(packets_out[WMM_AC_BK]), 1},
+	{"max_tx_buf_size", item_size(max_tx_buf_size),
+	 item_addr(max_tx_buf_size), 1},
+	{"tx_buf_size", item_size(tx_buf_size),
+	 item_addr(tx_buf_size), 1},
+	{"curr_tx_buf_size", item_size(curr_tx_buf_size),
+	 item_addr(curr_tx_buf_size), 1},
+	{"ps_mode", item_size(ps_mode),
+	 item_addr(ps_mode), 1},
+	{"ps_state", item_size(ps_state),
+	 item_addr(ps_state), 1},
+	{"is_deep_sleep", item_size(is_deep_sleep),
+	 item_addr(is_deep_sleep), 1},
+	{"wakeup_dev_req", item_size(pm_wakeup_card_req),
+	 item_addr(pm_wakeup_card_req), 1},
+	{"wakeup_tries", item_size(pm_wakeup_fw_try),
+	 item_addr(pm_wakeup_fw_try), 1},
+	{"hs_configured", item_size(is_hs_configured),
+	 item_addr(is_hs_configured), 1},
+	{"hs_activated", item_size(hs_activated),
+	 item_addr(hs_activated), 1},
+	{"num_tx_timeout", item_size(num_tx_timeout),
+	 item_addr(num_tx_timeout), 1},
+	{"num_cmd_timeout", item_size(num_cmd_timeout),
+	 item_addr(num_cmd_timeout), 1},
+	{"timeout_cmd_id", item_size(timeout_cmd_id),
+	 item_addr(timeout_cmd_id), 1},
+	{"timeout_cmd_act", item_size(timeout_cmd_act),
+	 item_addr(timeout_cmd_act), 1},
+	{"last_cmd_id", item_size(last_cmd_id),
+	 item_addr(last_cmd_id), DBG_CMD_NUM},
+	{"last_cmd_act", item_size(last_cmd_act),
+	 item_addr(last_cmd_act), DBG_CMD_NUM},
+	{"last_cmd_index", item_size(last_cmd_index),
+	 item_addr(last_cmd_index), 1},
+	{"last_cmd_resp_id", item_size(last_cmd_resp_id),
+	 item_addr(last_cmd_resp_id), DBG_CMD_NUM},
+	{"last_cmd_resp_index", item_size(last_cmd_resp_index),
+	 item_addr(last_cmd_resp_index), 1},
+	{"last_event", item_size(last_event),
+	 item_addr(last_event), DBG_CMD_NUM},
+	{"last_event_index", item_size(last_event_index),
+	 item_addr(last_event_index), 1},
+	{"num_cmd_h2c_fail", item_size(num_cmd_host_to_card_failure),
+	 item_addr(num_cmd_host_to_card_failure), 1},
+	{"num_cmd_sleep_cfm_fail",
+	 item_size(num_cmd_sleep_cfm_host_to_card_failure),
+	 item_addr(num_cmd_sleep_cfm_host_to_card_failure), 1},
+	{"num_tx_h2c_fail", item_size(num_tx_host_to_card_failure),
+	 item_addr(num_tx_host_to_card_failure), 1},
+	{"num_evt_deauth", item_size(num_event_deauth),
+	 item_addr(num_event_deauth), 1},
+	{"num_evt_disassoc", item_size(num_event_disassoc),
+	 item_addr(num_event_disassoc), 1},
+	{"num_evt_link_lost", item_size(num_event_link_lost),
+	 item_addr(num_event_link_lost), 1},
+	{"num_cmd_deauth", item_size(num_cmd_deauth),
+	 item_addr(num_cmd_deauth), 1},
+	{"num_cmd_assoc_ok", item_size(num_cmd_assoc_success),
+	 item_addr(num_cmd_assoc_success), 1},
+	{"num_cmd_assoc_fail", item_size(num_cmd_assoc_failure),
+	 item_addr(num_cmd_assoc_failure), 1},
+	{"cmd_sent", item_size(cmd_sent),
+	 item_addr(cmd_sent), 1},
+	{"data_sent", item_size(data_sent),
+	 item_addr(data_sent), 1},
+	{"cmd_resp_received", item_size(cmd_resp_received),
+	 item_addr(cmd_resp_received), 1},
+	{"event_received", item_size(event_received),
+	 item_addr(event_received), 1},
+
+	/* variables defined in struct mwifiex_adapter */
+	{"cmd_pending", adapter_item_size(cmd_pending),
+	 adapter_item_addr(cmd_pending), 1},
+	{"tx_pending", adapter_item_size(tx_pending),
+	 adapter_item_addr(tx_pending), 1},
+	{"rx_pending", adapter_item_size(rx_pending),
+	 adapter_item_addr(rx_pending), 1},
+};
+
+static int num_of_items = ARRAY_SIZE(items);
+
+/*
+ * Proc info file read handler.
+ *
+ * This function is called when the 'info' file is opened for reading.
+ * It prints the following driver related information -
+ *      - Driver name
+ *      - Driver version
+ *      - Driver extended version
+ *      - Interface name
+ *      - BSS mode
+ *      - Media state (connected or disconnected)
+ *      - MAC address
+ *      - Total number of Tx bytes
+ *      - Total number of Rx bytes
+ *      - Total number of Tx packets
+ *      - Total number of Rx packets
+ *      - Total number of dropped Tx packets
+ *      - Total number of dropped Rx packets
+ *      - Total number of corrupted Tx packets
+ *      - Total number of corrupted Rx packets
+ *      - Carrier status (on or off)
+ *      - Tx queue status (started or stopped)
+ *
+ * For STA mode drivers, it also prints the following extra -
+ *      - ESSID
+ *      - BSSID
+ *      - Channel
+ *      - Region code
+ *      - Multicast count
+ *      - Multicast addresses
+ */
+static ssize_t
+mwifiex_info_read(struct file *file, char __user *ubuf,
+		  size_t count, loff_t *ppos)
+{
+	struct mwifiex_private *priv =
+		(struct mwifiex_private *) file->private_data;
+	struct net_device *netdev = priv->netdev;
+	struct netdev_hw_addr *ha;
+	unsigned long page = get_zeroed_page(GFP_KERNEL);
+	char *p = (char *) page, fmt[64];
+	struct mwifiex_bss_info info;
+	ssize_t ret;
+	int i = 0;
+
+	if (!p)
+		return -ENOMEM;
+
+	memset(&info, 0, sizeof(info));
+	ret = mwifiex_get_bss_info(priv, &info);
+	if (ret)
+		goto free_and_exit;
+
+	mwifiex_drv_get_driver_version(priv->adapter, fmt, sizeof(fmt) - 1);
+
+	if (!priv->version_str[0])
+		mwifiex_get_ver_ext(priv);
+
+	p += sprintf(p, "driver_name = " "\"mwifiex\"\n");
+	p += sprintf(p, "driver_version = %s", fmt);
+	p += sprintf(p, "\nverext = %s", priv->version_str);
+	p += sprintf(p, "\ninterface_name=\"%s\"\n", netdev->name);
+	p += sprintf(p, "bss_mode=\"%s\"\n", bss_modes[info.bss_mode]);
+	p += sprintf(p, "media_state=\"%s\"\n",
+		     (!priv->media_connected ? "Disconnected" : "Connected"));
+	p += sprintf(p, "mac_address=\"%pM\"\n", netdev->dev_addr);
+
+	if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) {
+		p += sprintf(p, "multicast_count=\"%d\"\n",
+			     netdev_mc_count(netdev));
+		p += sprintf(p, "essid=\"%s\"\n", info.ssid.ssid);
+		p += sprintf(p, "bssid=\"%pM\"\n", info.bssid);
+		p += sprintf(p, "channel=\"%d\"\n", (int) info.bss_chan);
+		p += sprintf(p, "region_code = \"%02x\"\n", info.region_code);
+
+		netdev_for_each_mc_addr(ha, netdev)
+			p += sprintf(p, "multicast_address[%d]=\"%pM\"\n",
+					i++, ha->addr);
+	}
+
+	p += sprintf(p, "num_tx_bytes = %lu\n", priv->stats.tx_bytes);
+	p += sprintf(p, "num_rx_bytes = %lu\n", priv->stats.rx_bytes);
+	p += sprintf(p, "num_tx_pkts = %lu\n", priv->stats.tx_packets);
+	p += sprintf(p, "num_rx_pkts = %lu\n", priv->stats.rx_packets);
+	p += sprintf(p, "num_tx_pkts_dropped = %lu\n", priv->stats.tx_dropped);
+	p += sprintf(p, "num_rx_pkts_dropped = %lu\n", priv->stats.rx_dropped);
+	p += sprintf(p, "num_tx_pkts_err = %lu\n", priv->stats.tx_errors);
+	p += sprintf(p, "num_rx_pkts_err = %lu\n", priv->stats.rx_errors);
+	p += sprintf(p, "carrier %s\n", ((netif_carrier_ok(priv->netdev))
+					 ? "on" : "off"));
+	p += sprintf(p, "tx queue %s\n", ((netif_queue_stopped(priv->netdev))
+					  ? "stopped" : "started"));
+
+	ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page,
+				      (unsigned long) p - page);
+
+free_and_exit:
+	free_page(page);
+	return ret;
+}
+
+/*
+ * Proc getlog file read handler.
+ *
+ * This function is called when the 'getlog' file is opened for reading
+ * It prints the following log information -
+ *      - Number of multicast Tx frames
+ *      - Number of failed packets
+ *      - Number of Tx retries
+ *      - Number of multicast Tx retries
+ *      - Number of duplicate frames
+ *      - Number of RTS successes
+ *      - Number of RTS failures
+ *      - Number of ACK failures
+ *      - Number of fragmented Rx frames
+ *      - Number of multicast Rx frames
+ *      - Number of FCS errors
+ *      - Number of Tx frames
+ *      - WEP ICV error counts
+ */
+static ssize_t
+mwifiex_getlog_read(struct file *file, char __user *ubuf,
+		    size_t count, loff_t *ppos)
+{
+	struct mwifiex_private *priv =
+		(struct mwifiex_private *) file->private_data;
+	unsigned long page = get_zeroed_page(GFP_KERNEL);
+	char *p = (char *) page;
+	ssize_t ret;
+	struct mwifiex_ds_get_stats stats;
+
+	if (!p)
+		return -ENOMEM;
+
+	memset(&stats, 0, sizeof(stats));
+	ret = mwifiex_get_stats_info(priv, &stats);
+	if (ret)
+		goto free_and_exit;
+
+	p += sprintf(p, "\n"
+		     "mcasttxframe     %u\n"
+		     "failed           %u\n"
+		     "retry            %u\n"
+		     "multiretry       %u\n"
+		     "framedup         %u\n"
+		     "rtssuccess       %u\n"
+		     "rtsfailure       %u\n"
+		     "ackfailure       %u\n"
+		     "rxfrag           %u\n"
+		     "mcastrxframe     %u\n"
+		     "fcserror         %u\n"
+		     "txframe          %u\n"
+		     "wepicverrcnt-1   %u\n"
+		     "wepicverrcnt-2   %u\n"
+		     "wepicverrcnt-3   %u\n"
+		     "wepicverrcnt-4   %u\n",
+		     stats.mcast_tx_frame,
+		     stats.failed,
+		     stats.retry,
+		     stats.multi_retry,
+		     stats.frame_dup,
+		     stats.rts_success,
+		     stats.rts_failure,
+		     stats.ack_failure,
+		     stats.rx_frag,
+		     stats.mcast_rx_frame,
+		     stats.fcs_error,
+		     stats.tx_frame,
+		     stats.wep_icv_error[0],
+		     stats.wep_icv_error[1],
+		     stats.wep_icv_error[2],
+		     stats.wep_icv_error[3]);
+
+
+	ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page,
+				      (unsigned long) p - page);
+
+free_and_exit:
+	free_page(page);
+	return ret;
+}
+
+static struct mwifiex_debug_info info;
+
+/*
+ * Proc debug file read handler.
+ *
+ * This function is called when the 'debug' file is opened for reading
+ * It prints the following log information -
+ *      - Interrupt count
+ *      - WMM AC VO packets count
+ *      - WMM AC VI packets count
+ *      - WMM AC BE packets count
+ *      - WMM AC BK packets count
+ *      - Maximum Tx buffer size
+ *      - Tx buffer size
+ *      - Current Tx buffer size
+ *      - Power Save mode
+ *      - Power Save state
+ *      - Deep Sleep status
+ *      - Device wakeup required status
+ *      - Number of wakeup tries
+ *      - Host Sleep configured status
+ *      - Host Sleep activated status
+ *      - Number of Tx timeouts
+ *      - Number of command timeouts
+ *      - Last timed out command ID
+ *      - Last timed out command action
+ *      - Last command ID
+ *      - Last command action
+ *      - Last command index
+ *      - Last command response ID
+ *      - Last command response index
+ *      - Last event
+ *      - Last event index
+ *      - Number of host to card command failures
+ *      - Number of sleep confirm command failures
+ *      - Number of host to card data failure
+ *      - Number of deauthentication events
+ *      - Number of disassociation events
+ *      - Number of link lost events
+ *      - Number of deauthentication commands
+ *      - Number of association success commands
+ *      - Number of association failure commands
+ *      - Number of commands sent
+ *      - Number of data packets sent
+ *      - Number of command responses received
+ *      - Number of events received
+ *      - Tx BA stream table (TID, RA)
+ *      - Rx reorder table (TID, TA, Start window, Window size, Buffer)
+ */
+static ssize_t
+mwifiex_debug_read(struct file *file, char __user *ubuf,
+		   size_t count, loff_t *ppos)
+{
+	struct mwifiex_private *priv =
+		(struct mwifiex_private *) file->private_data;
+	struct mwifiex_debug_data *d = &items[0];
+	unsigned long page = get_zeroed_page(GFP_KERNEL);
+	char *p = (char *) page;
+	ssize_t ret;
+	size_t size, addr;
+	long val;
+	int i, j;
+
+	if (!p)
+		return -ENOMEM;
+
+	ret = mwifiex_get_debug_info(priv, &info);
+	if (ret)
+		goto free_and_exit;
+
+	for (i = 0; i < num_of_items; i++) {
+		p += sprintf(p, "%s=", d[i].name);
+
+		size = d[i].size / d[i].num;
+
+		if (i < (num_of_items - 3))
+			addr = d[i].addr + (size_t) &info;
+		else /* The last 3 items are struct mwifiex_adapter variables */
+			addr = d[i].addr + (size_t) priv->adapter;
+
+		for (j = 0; j < d[i].num; j++) {
+			switch (size) {
+			case 1:
+				val = *((u8 *) addr);
+				break;
+			case 2:
+				val = *((u16 *) addr);
+				break;
+			case 4:
+				val = *((u32 *) addr);
+				break;
+			case 8:
+				val = *((long long *) addr);
+				break;
+			default:
+				val = -1;
+				break;
+			}
+
+			p += sprintf(p, "%#lx ", val);
+			addr += size;
+		}
+
+		p += sprintf(p, "\n");
+	}
+
+	if (info.tx_tbl_num) {
+		p += sprintf(p, "Tx BA stream table:\n");
+		for (i = 0; i < info.tx_tbl_num; i++)
+			p += sprintf(p, "tid = %d, ra = %pM\n",
+				     info.tx_tbl[i].tid, info.tx_tbl[i].ra);
+	}
+
+	if (info.rx_tbl_num) {
+		p += sprintf(p, "Rx reorder table:\n");
+		for (i = 0; i < info.rx_tbl_num; i++) {
+			p += sprintf(p, "tid = %d, ta = %pM, "
+				     "start_win = %d, "
+				     "win_size = %d, buffer: ",
+				     info.rx_tbl[i].tid,
+				     info.rx_tbl[i].ta,
+				     info.rx_tbl[i].start_win,
+				     info.rx_tbl[i].win_size);
+
+			for (j = 0; j < info.rx_tbl[i].win_size; j++)
+				p += sprintf(p, "%c ",
+					     info.rx_tbl[i].buffer[j] ?
+					     '1' : '0');
+
+			p += sprintf(p, "\n");
+		}
+	}
+
+	ret = simple_read_from_buffer(ubuf, count, ppos, (char *) page,
+				      (unsigned long) p - page);
+
+free_and_exit:
+	free_page(page);
+	return ret;
+}
+
+static u32 saved_reg_type, saved_reg_offset, saved_reg_value;
+
+/*
+ * Proc regrdwr file write handler.
+ *
+ * This function is called when the 'regrdwr' file is opened for writing
+ *
+ * This function can be used to write to a register.
+ */
+static ssize_t
+mwifiex_regrdwr_write(struct file *file,
+		      const char __user *ubuf, size_t count, loff_t *ppos)
+{
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *) addr;
+	size_t buf_size = min(count, (size_t) (PAGE_SIZE - 1));
+	int ret;
+	u32 reg_type = 0, reg_offset = 0, reg_value = UINT_MAX;
+
+	if (!buf)
+		return -ENOMEM;
+
+
+	if (copy_from_user(buf, ubuf, buf_size)) {
+		ret = -EFAULT;
+		goto done;
+	}
+
+	sscanf(buf, "%u %x %x", &reg_type, &reg_offset, &reg_value);
+
+	if (reg_type == 0 || reg_offset == 0) {
+		ret = -EINVAL;
+		goto done;
+	} else {
+		saved_reg_type = reg_type;
+		saved_reg_offset = reg_offset;
+		saved_reg_value = reg_value;
+		ret = count;
+	}
+done:
+	free_page(addr);
+	return ret;
+}
+
+/*
+ * Proc regrdwr file read handler.
+ *
+ * This function is called when the 'regrdwr' file is opened for reading
+ *
+ * This function can be used to read from a register.
+ */
+static ssize_t
+mwifiex_regrdwr_read(struct file *file, char __user *ubuf,
+		     size_t count, loff_t *ppos)
+{
+	struct mwifiex_private *priv =
+		(struct mwifiex_private *) file->private_data;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *) addr;
+	int pos = 0, ret = 0;
+	u32 reg_value;
+
+	if (!buf)
+		return -ENOMEM;
+
+	if (!saved_reg_type) {
+		/* No command has been given */
+		pos += snprintf(buf, PAGE_SIZE, "0");
+		goto done;
+	}
+	/* Set command has been given */
+	if (saved_reg_value != UINT_MAX) {
+		ret = mwifiex_reg_write(priv, saved_reg_type, saved_reg_offset,
+					saved_reg_value);
+
+		pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n",
+				saved_reg_type, saved_reg_offset,
+				saved_reg_value);
+
+		ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
+
+		goto done;
+	}
+	/* Get command has been given */
+	ret = mwifiex_reg_read(priv, saved_reg_type,
+			       saved_reg_offset, &reg_value);
+	if (ret) {
+		ret = -EINVAL;
+		goto done;
+	}
+
+	pos += snprintf(buf, PAGE_SIZE, "%u 0x%x 0x%x\n", saved_reg_type,
+			saved_reg_offset, reg_value);
+
+	ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
+
+done:
+	free_page(addr);
+	return ret;
+}
+
+static u32 saved_offset = -1, saved_bytes = -1;
+
+/*
+ * Proc rdeeprom file write handler.
+ *
+ * This function is called when the 'rdeeprom' file is opened for writing
+ *
+ * This function can be used to write to a RDEEPROM location.
+ */
+static ssize_t
+mwifiex_rdeeprom_write(struct file *file,
+		       const char __user *ubuf, size_t count, loff_t *ppos)
+{
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *) addr;
+	size_t buf_size = min(count, (size_t) (PAGE_SIZE - 1));
+	int ret = 0;
+	int offset = -1, bytes = -1;
+
+	if (!buf)
+		return -ENOMEM;
+
+
+	if (copy_from_user(buf, ubuf, buf_size)) {
+		ret = -EFAULT;
+		goto done;
+	}
+
+	sscanf(buf, "%d %d", &offset, &bytes);
+
+	if (offset == -1 || bytes == -1) {
+		ret = -EINVAL;
+		goto done;
+	} else {
+		saved_offset = offset;
+		saved_bytes = bytes;
+		ret = count;
+	}
+done:
+	free_page(addr);
+	return ret;
+}
+
+/*
+ * Proc rdeeprom read write handler.
+ *
+ * This function is called when the 'rdeeprom' file is opened for reading
+ *
+ * This function can be used to read from a RDEEPROM location.
+ */
+static ssize_t
+mwifiex_rdeeprom_read(struct file *file, char __user *ubuf,
+		      size_t count, loff_t *ppos)
+{
+	struct mwifiex_private *priv =
+		(struct mwifiex_private *) file->private_data;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *) addr;
+	int pos = 0, ret = 0, i;
+	u8 value[MAX_EEPROM_DATA];
+
+	if (!buf)
+		return -ENOMEM;
+
+	if (saved_offset == -1) {
+		/* No command has been given */
+		pos += snprintf(buf, PAGE_SIZE, "0");
+		goto done;
+	}
+
+	/* Get command has been given */
+	ret = mwifiex_eeprom_read(priv, (u16) saved_offset,
+				  (u16) saved_bytes, value);
+	if (ret) {
+		ret = -EINVAL;
+		goto done;
+	}
+
+	pos += snprintf(buf, PAGE_SIZE, "%d %d ", saved_offset, saved_bytes);
+
+	for (i = 0; i < saved_bytes; i++)
+		pos += snprintf(buf + strlen(buf), PAGE_SIZE, "%d ", value[i]);
+
+	ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
+
+done:
+	free_page(addr);
+	return ret;
+}
+
+
+#define MWIFIEX_DFS_ADD_FILE(name) do {                                 \
+	if (!debugfs_create_file(#name, 0644, priv->dfs_dev_dir,        \
+			priv, &mwifiex_dfs_##name##_fops))              \
+		return;                                                 \
+} while (0);
+
+#define MWIFIEX_DFS_FILE_OPS(name)                                      \
+static const struct file_operations mwifiex_dfs_##name##_fops = {       \
+	.read = mwifiex_##name##_read,                                  \
+	.write = mwifiex_##name##_write,                                \
+	.open = simple_open,                                            \
+};
+
+#define MWIFIEX_DFS_FILE_READ_OPS(name)                                 \
+static const struct file_operations mwifiex_dfs_##name##_fops = {       \
+	.read = mwifiex_##name##_read,                                  \
+	.open = simple_open,                                            \
+};
+
+#define MWIFIEX_DFS_FILE_WRITE_OPS(name)                                \
+static const struct file_operations mwifiex_dfs_##name##_fops = {       \
+	.write = mwifiex_##name##_write,                                \
+	.open = simple_open,                                            \
+};
+
+
+MWIFIEX_DFS_FILE_READ_OPS(info);
+MWIFIEX_DFS_FILE_READ_OPS(debug);
+MWIFIEX_DFS_FILE_READ_OPS(getlog);
+MWIFIEX_DFS_FILE_OPS(regrdwr);
+MWIFIEX_DFS_FILE_OPS(rdeeprom);
+
+/*
+ * This function creates the debug FS directory structure and the files.
+ */
+void
+mwifiex_dev_debugfs_init(struct mwifiex_private *priv)
+{
+	if (!mwifiex_dfs_dir || !priv)
+		return;
+
+	priv->dfs_dev_dir = debugfs_create_dir(priv->netdev->name,
+					       mwifiex_dfs_dir);
+
+	if (!priv->dfs_dev_dir)
+		return;
+
+	MWIFIEX_DFS_ADD_FILE(info);
+	MWIFIEX_DFS_ADD_FILE(debug);
+	MWIFIEX_DFS_ADD_FILE(getlog);
+	MWIFIEX_DFS_ADD_FILE(regrdwr);
+	MWIFIEX_DFS_ADD_FILE(rdeeprom);
+}
+
+/*
+ * This function removes the debug FS directory structure and the files.
+ */
+void
+mwifiex_dev_debugfs_remove(struct mwifiex_private *priv)
+{
+	if (!priv)
+		return;
+
+	debugfs_remove_recursive(priv->dfs_dev_dir);
+}
+
+/*
+ * This function creates the top level proc directory.
+ */
+void
+mwifiex_debugfs_init(void)
+{
+	if (!mwifiex_dfs_dir)
+		mwifiex_dfs_dir = debugfs_create_dir("mwifiex", NULL);
+}
+
+/*
+ * This function removes the top level proc directory.
+ */
+void
+mwifiex_debugfs_remove(void)
+{
+	if (mwifiex_dfs_dir)
+		debugfs_remove(mwifiex_dfs_dir);
+}