* adding network config for olpc

* adding libertas
* config issue
* quiet mode for bootloader


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9768 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 1163 insertions, 0 deletions

diff --git a/package/libertas/src/debugfs.c b/package/libertas/src/debugfs.c
new file mode 100644
index 0000000000..f4858bd7d5
--- /dev/null
+++ b/package/libertas/src/debugfs.c
@@ -0,0 +1,1163 @@
+#include <linux/module.h>
+#include <linux/dcache.h>
+#include <linux/debugfs.h>
+#include <linux/delay.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <net/iw_handler.h>
+
+#include "dev.h"
+#include "decl.h"
+#include "host.h"
+#include "debugfs.h"
+
+static struct dentry *lbs_dir;
+static char *szStates[] = {
+	"Connected",
+	"Disconnected"
+};
+
+#ifdef PROC_DEBUG
+static void lbs_debug_init(struct lbs_private *priv, struct net_device *dev);
+#endif
+
+static int open_file_generic(struct inode *inode, struct file *file)
+{
+	file->private_data = inode->i_private;
+	return 0;
+}
+
+static ssize_t write_file_dummy(struct file *file, const char __user *buf,
+                                size_t count, loff_t *ppos)
+{
+        return -EINVAL;
+}
+
+static const size_t len = PAGE_SIZE;
+
+static ssize_t lbs_dev_info(struct file *file, char __user *userbuf,
+				  size_t count, loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	size_t pos = 0;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+	ssize_t res;
+
+	pos += snprintf(buf+pos, len-pos, "state = %s\n",
+				szStates[priv->connect_status]);
+	pos += snprintf(buf+pos, len-pos, "region_code = %02x\n",
+				(u32) priv->regioncode);
+
+	res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+
+	free_page(addr);
+	return res;
+}
+
+
+static ssize_t lbs_getscantable(struct file *file, char __user *userbuf,
+				  size_t count, loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	size_t pos = 0;
+	int numscansdone = 0, res;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+	DECLARE_MAC_BUF(mac);
+	struct bss_descriptor * iter_bss;
+
+	pos += snprintf(buf+pos, len-pos,
+		"# | ch  | rssi |       bssid       |   cap    | Qual | SSID \n");
+
+	mutex_lock(&priv->lock);
+	list_for_each_entry (iter_bss, &priv->network_list, list) {
+		u16 ibss = (iter_bss->capability & WLAN_CAPABILITY_IBSS);
+		u16 privacy = (iter_bss->capability & WLAN_CAPABILITY_PRIVACY);
+		u16 spectrum_mgmt = (iter_bss->capability & WLAN_CAPABILITY_SPECTRUM_MGMT);
+
+		pos += snprintf(buf+pos, len-pos,
+			"%02u| %03d | %04ld | %s |",
+			numscansdone, iter_bss->channel, iter_bss->rssi,
+			print_mac(mac, iter_bss->bssid));
+		pos += snprintf(buf+pos, len-pos, " %04x-", iter_bss->capability);
+		pos += snprintf(buf+pos, len-pos, "%c%c%c |",
+				ibss ? 'A' : 'I', privacy ? 'P' : ' ',
+				spectrum_mgmt ? 'S' : ' ');
+		pos += snprintf(buf+pos, len-pos, " %04d |", SCAN_RSSI(iter_bss->rssi));
+		pos += snprintf(buf+pos, len-pos, " %s\n",
+		                escape_essid(iter_bss->ssid, iter_bss->ssid_len));
+
+		numscansdone++;
+	}
+	mutex_unlock(&priv->lock);
+
+	res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+
+	free_page(addr);
+	return res;
+}
+
+static ssize_t lbs_sleepparams_write(struct file *file,
+				const char __user *user_buf, size_t count,
+				loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	ssize_t buf_size, res;
+	int p1, p2, p3, p4, p5, p6;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+
+	buf_size = min(count, len - 1);
+	if (copy_from_user(buf, user_buf, buf_size)) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+	res = sscanf(buf, "%d %d %d %d %d %d", &p1, &p2, &p3, &p4, &p5, &p6);
+	if (res != 6) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+	priv->sp.sp_error = p1;
+	priv->sp.sp_offset = p2;
+	priv->sp.sp_stabletime = p3;
+	priv->sp.sp_calcontrol = p4;
+	priv->sp.sp_extsleepclk = p5;
+	priv->sp.sp_reserved = p6;
+
+	res = lbs_prepare_and_send_command(priv,
+				CMD_802_11_SLEEP_PARAMS,
+				CMD_ACT_SET,
+				CMD_OPTION_WAITFORRSP, 0, NULL);
+
+	if (!res)
+		res = count;
+	else
+		res = -EINVAL;
+
+out_unlock:
+	free_page(addr);
+	return res;
+}
+
+static ssize_t lbs_sleepparams_read(struct file *file, char __user *userbuf,
+				  size_t count, loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	ssize_t res;
+	size_t pos = 0;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+
+	res = lbs_prepare_and_send_command(priv,
+				CMD_802_11_SLEEP_PARAMS,
+				CMD_ACT_GET,
+				CMD_OPTION_WAITFORRSP, 0, NULL);
+	if (res) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+
+	pos += snprintf(buf, len, "%d %d %d %d %d %d\n", priv->sp.sp_error,
+			priv->sp.sp_offset, priv->sp.sp_stabletime,
+			priv->sp.sp_calcontrol, priv->sp.sp_extsleepclk,
+			priv->sp.sp_reserved);
+
+	res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+
+out_unlock:
+	free_page(addr);
+	return res;
+}
+
+static ssize_t lbs_extscan(struct file *file, const char __user *userbuf,
+				  size_t count, loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	ssize_t res, buf_size;
+	union iwreq_data wrqu;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+
+	buf_size = min(count, len - 1);
+	if (copy_from_user(buf, userbuf, buf_size)) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+
+	lbs_send_specific_ssid_scan(priv, buf, strlen(buf)-1, 0);
+
+	memset(&wrqu, 0, sizeof(union iwreq_data));
+	wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
+
+out_unlock:
+	free_page(addr);
+	return count;
+}
+
+static void lbs_parse_bssid(char *buf, size_t count,
+	struct lbs_ioctl_user_scan_cfg *scan_cfg)
+{
+	char *hold;
+	unsigned int mac[ETH_ALEN];
+
+	hold = strstr(buf, "bssid=");
+	if (!hold)
+		return;
+	hold += 6;
+	sscanf(hold, MAC_FMT, mac, mac+1, mac+2, mac+3, mac+4, mac+5);
+	memcpy(scan_cfg->bssid, mac, ETH_ALEN);
+}
+
+static void lbs_parse_ssid(char *buf, size_t count,
+	struct lbs_ioctl_user_scan_cfg *scan_cfg)
+{
+	char *hold, *end;
+	ssize_t size;
+
+	hold = strstr(buf, "ssid=");
+	if (!hold)
+		return;
+	hold += 5;
+	end = strchr(hold, ' ');
+	if (!end)
+		end = buf + count - 1;
+
+	size = min((size_t)IW_ESSID_MAX_SIZE, (size_t) (end - hold));
+	strncpy(scan_cfg->ssid, hold, size);
+
+	return;
+}
+
+static int lbs_parse_clear(char *buf, size_t count, const char *tag)
+{
+	char *hold;
+	int val;
+
+	hold = strstr(buf, tag);
+	if (!hold)
+		return 0;
+	hold += strlen(tag);
+	sscanf(hold, "%d", &val);
+
+	if (val != 0)
+		val = 1;
+
+	return val;
+}
+
+static int lbs_parse_dur(char *buf, size_t count,
+	struct lbs_ioctl_user_scan_cfg *scan_cfg)
+{
+	char *hold;
+	int val;
+
+	hold = strstr(buf, "dur=");
+	if (!hold)
+		return 0;
+	hold += 4;
+	sscanf(hold, "%d", &val);
+
+	return val;
+}
+
+static void lbs_parse_type(char *buf, size_t count,
+	struct lbs_ioctl_user_scan_cfg *scan_cfg)
+{
+	char *hold;
+	int val;
+
+	hold = strstr(buf, "type=");
+	if (!hold)
+		return;
+	hold += 5;
+	sscanf(hold, "%d", &val);
+
+	/* type=1,2 or 3 */
+	if (val < 1 || val > 3)
+		return;
+
+	scan_cfg->bsstype = val;
+
+	return;
+}
+
+static ssize_t lbs_setuserscan(struct file *file,
+				    const char __user *userbuf,
+				    size_t count, loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	ssize_t res, buf_size;
+	struct lbs_ioctl_user_scan_cfg *scan_cfg;
+	union iwreq_data wrqu;
+	int dur;
+	char *buf = (char *)get_zeroed_page(GFP_KERNEL);
+
+	if (!buf)
+		return -ENOMEM;
+		
+	buf_size = min(count, len - 1);
+	if (copy_from_user(buf, userbuf, buf_size)) {
+		res = -EFAULT;
+		goto out_buf;
+	}
+
+	scan_cfg = kzalloc(sizeof(struct lbs_ioctl_user_scan_cfg), GFP_KERNEL);
+	if (!scan_cfg) {
+		res = -ENOMEM;
+		goto out_buf;
+	}
+	res = count;
+
+	scan_cfg->bsstype = LBS_SCAN_BSS_TYPE_ANY;
+
+	dur = lbs_parse_dur(buf, count, scan_cfg);
+	lbs_parse_bssid(buf, count, scan_cfg);
+	scan_cfg->clear_bssid = lbs_parse_clear(buf, count, "clear_bssid=");
+	lbs_parse_ssid(buf, count, scan_cfg);
+	scan_cfg->clear_ssid = lbs_parse_clear(buf, count, "clear_ssid=");
+	lbs_parse_type(buf, count, scan_cfg);
+
+	lbs_scan_networks(priv, scan_cfg, 1);
+	wait_event_interruptible(priv->cmd_pending,
+				 priv->surpriseremoved || !priv->last_scanned_channel);
+
+	if (priv->surpriseremoved)
+		goto out_scan_cfg;
+
+	memset(&wrqu, 0x00, sizeof(union iwreq_data));
+	wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
+
+ out_scan_cfg:
+	kfree(scan_cfg);
+ out_buf:
+	free_page((unsigned long)buf);
+	return res;
+}
+
+
+/*
+ * When calling CMD_802_11_SUBSCRIBE_EVENT with CMD_ACT_GET, me might
+ * get a bunch of vendor-specific TLVs (a.k.a. IEs) back from the
+ * firmware. Here's an example:
+ *	04 01 02 00 00 00 05 01 02 00 00 00 06 01 02 00
+ *	00 00 07 01 02 00 3c 00 00 00 00 00 00 00 03 03
+ *	00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+ *
+ * The 04 01 is the TLV type (here TLV_TYPE_RSSI_LOW), 02 00 is the length,
+ * 00 00 are the data bytes of this TLV. For this TLV, their meaning is
+ * defined in mrvlietypes_thresholds
+ *
+ * This function searches in this TLV data chunk for a given TLV type
+ * and returns a pointer to the first data byte of the TLV, or to NULL
+ * if the TLV hasn't been found.
+ */
+static void *lbs_tlv_find(u16 tlv_type, const u8 *tlv, u16 size)
+{
+	__le16 le_type = cpu_to_le16(tlv_type);
+	ssize_t pos = 0;
+	struct mrvlietypesheader *tlv_h;
+	while (pos < size) {
+		u16 length;
+		tlv_h = (struct mrvlietypesheader *) tlv;
+		if (tlv_h->type == le_type)
+			return tlv_h;
+		if (tlv_h->len == 0)
+			return NULL;
+		length = le16_to_cpu(tlv_h->len) +
+			sizeof(struct mrvlietypesheader);
+		pos += length;
+		tlv += length;
+	}
+	return NULL;
+}
+
+
+/*
+ * This just gets the bitmap of currently subscribed events. Used when
+ * adding an additonal event subscription.
+ */
+static u16 lbs_get_events_bitmap(struct lbs_private *priv)
+{
+	ssize_t res;
+
+	struct cmd_ds_802_11_subscribe_event *events = kzalloc(
+		sizeof(struct cmd_ds_802_11_subscribe_event),
+		GFP_KERNEL);
+
+	res = lbs_prepare_and_send_command(priv,
+			CMD_802_11_SUBSCRIBE_EVENT, CMD_ACT_GET,
+			CMD_OPTION_WAITFORRSP, 0, events);
+
+	if (res) {
+		kfree(events);
+		return 0;
+	}
+	return le16_to_cpu(events->events);
+}
+
+
+static ssize_t lbs_threshold_read(
+	u16 tlv_type, u16 event_mask,
+	struct file *file, char __user *userbuf,
+	size_t count, loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	ssize_t res = 0;
+	size_t pos = 0;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+	u8 value;
+	u8 freq;
+	int events = 0;
+
+	struct cmd_ds_802_11_subscribe_event *subscribed = kzalloc(
+		sizeof(struct cmd_ds_802_11_subscribe_event),
+		GFP_KERNEL);
+	struct mrvlietypes_thresholds *got;
+
+	res = lbs_prepare_and_send_command(priv,
+			CMD_802_11_SUBSCRIBE_EVENT, CMD_ACT_GET,
+			CMD_OPTION_WAITFORRSP, 0, subscribed);
+	if (res) {
+		kfree(subscribed);
+		return res;
+	}
+
+	got = lbs_tlv_find(tlv_type, subscribed->tlv, sizeof(subscribed->tlv));
+	if (got) {
+		value = got->value;
+		freq  = got->freq;
+		events = le16_to_cpu(subscribed->events);
+	}
+	kfree(subscribed);
+
+	if (got)
+		pos += snprintf(buf, len, "%d %d %d\n", value, freq,
+			!!(events & event_mask));
+
+	res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+
+	free_page(addr);
+	return res;
+}
+
+
+static ssize_t lbs_threshold_write(
+	u16 tlv_type, u16 event_mask,
+	struct file *file,
+	const char __user *userbuf,
+	size_t count, loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	ssize_t res, buf_size;
+	int value, freq, curr_mask, new_mask;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+	struct cmd_ds_802_11_subscribe_event *events;
+
+	buf_size = min(count, len - 1);
+	if (copy_from_user(buf, userbuf, buf_size)) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+	res = sscanf(buf, "%d %d %d", &value, &freq, &new_mask);
+	if (res != 3) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+	curr_mask = lbs_get_events_bitmap(priv);
+
+	if (new_mask)
+		new_mask = curr_mask | event_mask;
+	else
+		new_mask = curr_mask & ~event_mask;
+
+	/* Now everything is set and we can send stuff down to the firmware */
+	events = kzalloc(
+		sizeof(struct cmd_ds_802_11_subscribe_event),
+		GFP_KERNEL);
+	if (events) {
+		struct mrvlietypes_thresholds *tlv =
+			(struct mrvlietypes_thresholds *) events->tlv;
+		events->action = cpu_to_le16(CMD_ACT_SET);
+		events->events = cpu_to_le16(new_mask);
+		tlv->header.type = cpu_to_le16(tlv_type);
+		tlv->header.len = cpu_to_le16(
+			sizeof(struct mrvlietypes_thresholds) -
+			sizeof(struct mrvlietypesheader));
+		tlv->value = value;
+		if (tlv_type != TLV_TYPE_BCNMISS)
+			tlv->freq = freq;
+		lbs_prepare_and_send_command(priv,
+			CMD_802_11_SUBSCRIBE_EVENT, CMD_ACT_SET,
+			CMD_OPTION_WAITFORRSP, 0, events);
+		kfree(events);
+	}
+
+	res = count;
+out_unlock:
+	free_page(addr);
+	return res;
+}
+
+
+static ssize_t lbs_lowrssi_read(
+	struct file *file, char __user *userbuf,
+	size_t count, loff_t *ppos)
+{
+	return lbs_threshold_read(TLV_TYPE_RSSI_LOW, CMD_SUBSCRIBE_RSSI_LOW,
+		file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_lowrssi_write(
+	struct file *file, const char __user *userbuf,
+	size_t count, loff_t *ppos)
+{
+	return lbs_threshold_write(TLV_TYPE_RSSI_LOW, CMD_SUBSCRIBE_RSSI_LOW,
+		file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_lowsnr_read(
+	struct file *file, char __user *userbuf,
+	size_t count, loff_t *ppos)
+{
+	return lbs_threshold_read(TLV_TYPE_SNR_LOW, CMD_SUBSCRIBE_SNR_LOW,
+		file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_lowsnr_write(
+	struct file *file, const char __user *userbuf,
+	size_t count, loff_t *ppos)
+{
+	return lbs_threshold_write(TLV_TYPE_SNR_LOW, CMD_SUBSCRIBE_SNR_LOW,
+		file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_failcount_read(
+	struct file *file, char __user *userbuf,
+	size_t count, loff_t *ppos)
+{
+	return lbs_threshold_read(TLV_TYPE_FAILCOUNT, CMD_SUBSCRIBE_FAILCOUNT,
+		file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_failcount_write(
+	struct file *file, const char __user *userbuf,
+	size_t count, loff_t *ppos)
+{
+	return lbs_threshold_write(TLV_TYPE_FAILCOUNT, CMD_SUBSCRIBE_FAILCOUNT,
+		file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_highrssi_read(
+	struct file *file, char __user *userbuf,
+	size_t count, loff_t *ppos)
+{
+	return lbs_threshold_read(TLV_TYPE_RSSI_HIGH, CMD_SUBSCRIBE_RSSI_HIGH,
+		file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_highrssi_write(
+	struct file *file, const char __user *userbuf,
+	size_t count, loff_t *ppos)
+{
+	return lbs_threshold_write(TLV_TYPE_RSSI_HIGH, CMD_SUBSCRIBE_RSSI_HIGH,
+		file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_highsnr_read(
+	struct file *file, char __user *userbuf,
+	size_t count, loff_t *ppos)
+{
+	return lbs_threshold_read(TLV_TYPE_SNR_HIGH, CMD_SUBSCRIBE_SNR_HIGH,
+		file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_highsnr_write(
+	struct file *file, const char __user *userbuf,
+	size_t count, loff_t *ppos)
+{
+	return lbs_threshold_write(TLV_TYPE_SNR_HIGH, CMD_SUBSCRIBE_SNR_HIGH,
+		file, userbuf, count, ppos);
+}
+
+static ssize_t lbs_bcnmiss_read(
+	struct file *file, char __user *userbuf,
+	size_t count, loff_t *ppos)
+{
+	return lbs_threshold_read(TLV_TYPE_BCNMISS, CMD_SUBSCRIBE_BCNMISS,
+		file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_bcnmiss_write(
+	struct file *file, const char __user *userbuf,
+	size_t count, loff_t *ppos)
+{
+	return lbs_threshold_write(TLV_TYPE_BCNMISS, CMD_SUBSCRIBE_BCNMISS,
+		file, userbuf, count, ppos);
+}
+
+
+
+
+
+
+
+
+static ssize_t lbs_rdmac_read(struct file *file, char __user *userbuf,
+				  size_t count, loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	struct lbs_offset_value offval;
+	ssize_t pos = 0;
+	int ret;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+
+	offval.offset = priv->mac_offset;
+	offval.value = 0;
+
+	ret = lbs_prepare_and_send_command(priv,
+				CMD_MAC_REG_ACCESS, 0,
+				CMD_OPTION_WAITFORRSP, 0, &offval);
+	mdelay(10);
+	pos += snprintf(buf+pos, len-pos, "MAC[0x%x] = 0x%08x\n",
+				priv->mac_offset, priv->offsetvalue.value);
+
+	ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+	free_page(addr);
+	return ret;
+}
+
+static ssize_t lbs_rdmac_write(struct file *file,
+				    const char __user *userbuf,
+				    size_t count, loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	ssize_t res, buf_size;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+
+	buf_size = min(count, len - 1);
+	if (copy_from_user(buf, userbuf, buf_size)) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+	priv->mac_offset = simple_strtoul((char *)buf, NULL, 16);
+	res = count;
+out_unlock:
+	free_page(addr);
+	return res;
+}
+
+static ssize_t lbs_wrmac_write(struct file *file,
+				    const char __user *userbuf,
+				    size_t count, loff_t *ppos)
+{
+
+	struct lbs_private *priv = file->private_data;
+	ssize_t res, buf_size;
+	u32 offset, value;
+	struct lbs_offset_value offval;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+
+	buf_size = min(count, len - 1);
+	if (copy_from_user(buf, userbuf, buf_size)) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+	res = sscanf(buf, "%x %x", &offset, &value);
+	if (res != 2) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+
+	offval.offset = offset;
+	offval.value = value;
+	res = lbs_prepare_and_send_command(priv,
+				CMD_MAC_REG_ACCESS, 1,
+				CMD_OPTION_WAITFORRSP, 0, &offval);
+	mdelay(10);
+
+	res = count;
+out_unlock:
+	free_page(addr);
+	return res;
+}
+
+static ssize_t lbs_rdbbp_read(struct file *file, char __user *userbuf,
+				  size_t count, loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	struct lbs_offset_value offval;
+	ssize_t pos = 0;
+	int ret;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+
+	offval.offset = priv->bbp_offset;
+	offval.value = 0;
+
+	ret = lbs_prepare_and_send_command(priv,
+				CMD_BBP_REG_ACCESS, 0,
+				CMD_OPTION_WAITFORRSP, 0, &offval);
+	mdelay(10);
+	pos += snprintf(buf+pos, len-pos, "BBP[0x%x] = 0x%08x\n",
+				priv->bbp_offset, priv->offsetvalue.value);
+
+	ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+	free_page(addr);
+
+	return ret;
+}
+
+static ssize_t lbs_rdbbp_write(struct file *file,
+				    const char __user *userbuf,
+				    size_t count, loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	ssize_t res, buf_size;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+
+	buf_size = min(count, len - 1);
+	if (copy_from_user(buf, userbuf, buf_size)) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+	priv->bbp_offset = simple_strtoul((char *)buf, NULL, 16);
+	res = count;
+out_unlock:
+	free_page(addr);
+	return res;
+}
+
+static ssize_t lbs_wrbbp_write(struct file *file,
+				    const char __user *userbuf,
+				    size_t count, loff_t *ppos)
+{
+
+	struct lbs_private *priv = file->private_data;
+	ssize_t res, buf_size;
+	u32 offset, value;
+	struct lbs_offset_value offval;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+
+	buf_size = min(count, len - 1);
+	if (copy_from_user(buf, userbuf, buf_size)) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+	res = sscanf(buf, "%x %x", &offset, &value);
+	if (res != 2) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+
+	offval.offset = offset;
+	offval.value = value;
+	res = lbs_prepare_and_send_command(priv,
+				CMD_BBP_REG_ACCESS, 1,
+				CMD_OPTION_WAITFORRSP, 0, &offval);
+	mdelay(10);
+
+	res = count;
+out_unlock:
+	free_page(addr);
+	return res;
+}
+
+static ssize_t lbs_rdrf_read(struct file *file, char __user *userbuf,
+				  size_t count, loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	struct lbs_offset_value offval;
+	ssize_t pos = 0;
+	int ret;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+
+	offval.offset = priv->rf_offset;
+	offval.value = 0;
+
+	ret = lbs_prepare_and_send_command(priv,
+				CMD_RF_REG_ACCESS, 0,
+				CMD_OPTION_WAITFORRSP, 0, &offval);
+	mdelay(10);
+	pos += snprintf(buf+pos, len-pos, "RF[0x%x] = 0x%08x\n",
+				priv->rf_offset, priv->offsetvalue.value);
+
+	ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+	free_page(addr);
+
+	return ret;
+}
+
+static ssize_t lbs_rdrf_write(struct file *file,
+				    const char __user *userbuf,
+				    size_t count, loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	ssize_t res, buf_size;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+
+	buf_size = min(count, len - 1);
+	if (copy_from_user(buf, userbuf, buf_size)) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+	priv->rf_offset = simple_strtoul((char *)buf, NULL, 16);
+	res = count;
+out_unlock:
+	free_page(addr);
+	return res;
+}
+
+static ssize_t lbs_wrrf_write(struct file *file,
+				    const char __user *userbuf,
+				    size_t count, loff_t *ppos)
+{
+
+	struct lbs_private *priv = file->private_data;
+	ssize_t res, buf_size;
+	u32 offset, value;
+	struct lbs_offset_value offval;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+
+	buf_size = min(count, len - 1);
+	if (copy_from_user(buf, userbuf, buf_size)) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+	res = sscanf(buf, "%x %x", &offset, &value);
+	if (res != 2) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+
+	offval.offset = offset;
+	offval.value = value;
+	res = lbs_prepare_and_send_command(priv,
+				CMD_RF_REG_ACCESS, 1,
+				CMD_OPTION_WAITFORRSP, 0, &offval);
+	mdelay(10);
+
+	res = count;
+out_unlock:
+	free_page(addr);
+	return res;
+}
+
+#define FOPS(fread, fwrite) { \
+	.owner = THIS_MODULE, \
+	.open = open_file_generic, \
+	.read = (fread), \
+	.write = (fwrite), \
+}
+
+struct lbs_debugfs_files {
+	char *name;
+	int perm;
+	struct file_operations fops;
+};
+
+static struct lbs_debugfs_files debugfs_files[] = {
+	{ "info", 0444, FOPS(lbs_dev_info, write_file_dummy), },
+	{ "getscantable", 0444, FOPS(lbs_getscantable,
+					write_file_dummy), },
+	{ "sleepparams", 0644, FOPS(lbs_sleepparams_read,
+				lbs_sleepparams_write), },
+	{ "extscan", 0600, FOPS(NULL, lbs_extscan), },
+	{ "setuserscan", 0600, FOPS(NULL, lbs_setuserscan), },
+};
+
+static struct lbs_debugfs_files debugfs_events_files[] = {
+	{"low_rssi", 0644, FOPS(lbs_lowrssi_read,
+				lbs_lowrssi_write), },
+	{"low_snr", 0644, FOPS(lbs_lowsnr_read,
+				lbs_lowsnr_write), },
+	{"failure_count", 0644, FOPS(lbs_failcount_read,
+				lbs_failcount_write), },
+	{"beacon_missed", 0644, FOPS(lbs_bcnmiss_read,
+				lbs_bcnmiss_write), },
+	{"high_rssi", 0644, FOPS(lbs_highrssi_read,
+				lbs_highrssi_write), },
+	{"high_snr", 0644, FOPS(lbs_highsnr_read,
+				lbs_highsnr_write), },
+};
+
+static struct lbs_debugfs_files debugfs_regs_files[] = {
+	{"rdmac", 0644, FOPS(lbs_rdmac_read, lbs_rdmac_write), },
+	{"wrmac", 0600, FOPS(NULL, lbs_wrmac_write), },
+	{"rdbbp", 0644, FOPS(lbs_rdbbp_read, lbs_rdbbp_write), },
+	{"wrbbp", 0600, FOPS(NULL, lbs_wrbbp_write), },
+	{"rdrf", 0644, FOPS(lbs_rdrf_read, lbs_rdrf_write), },
+	{"wrrf", 0600, FOPS(NULL, lbs_wrrf_write), },
+};
+
+void lbs_debugfs_init(void)
+{
+	if (!lbs_dir)
+		lbs_dir = debugfs_create_dir("lbs_wireless", NULL);
+
+	return;
+}
+
+void lbs_debugfs_remove(void)
+{
+	if (lbs_dir)
+		 debugfs_remove(lbs_dir);
+	return;
+}
+
+void lbs_debugfs_init_one(struct lbs_private *priv, struct net_device *dev)
+{
+	int i;
+	struct lbs_debugfs_files *files;
+	if (!lbs_dir)
+		goto exit;
+
+	priv->debugfs_dir = debugfs_create_dir(dev->name, lbs_dir);
+	if (!priv->debugfs_dir)
+		goto exit;
+
+	for (i=0; i<ARRAY_SIZE(debugfs_files); i++) {
+		files = &debugfs_files[i];
+		priv->debugfs_files[i] = debugfs_create_file(files->name,
+							     files->perm,
+							     priv->debugfs_dir,
+							     priv,
+							     &files->fops);
+	}
+
+	priv->events_dir = debugfs_create_dir("subscribed_events", priv->debugfs_dir);
+	if (!priv->events_dir)
+		goto exit;
+
+	for (i=0; i<ARRAY_SIZE(debugfs_events_files); i++) {
+		files = &debugfs_events_files[i];
+		priv->debugfs_events_files[i] = debugfs_create_file(files->name,
+							     files->perm,
+							     priv->events_dir,
+							     priv,
+							     &files->fops);
+	}
+
+	priv->regs_dir = debugfs_create_dir("registers", priv->debugfs_dir);
+	if (!priv->regs_dir)
+		goto exit;
+
+	for (i=0; i<ARRAY_SIZE(debugfs_regs_files); i++) {
+		files = &debugfs_regs_files[i];
+		priv->debugfs_regs_files[i] = debugfs_create_file(files->name,
+							     files->perm,
+							     priv->regs_dir,
+							     priv,
+							     &files->fops);
+	}
+
+#ifdef PROC_DEBUG
+	lbs_debug_init(priv, dev);
+#endif
+exit:
+	return;
+}
+
+void lbs_debugfs_remove_one(struct lbs_private *priv)
+{
+	int i;
+
+	for(i=0; i<ARRAY_SIZE(debugfs_regs_files); i++)
+		debugfs_remove(priv->debugfs_regs_files[i]);
+
+	debugfs_remove(priv->regs_dir);
+
+	for(i=0; i<ARRAY_SIZE(debugfs_events_files); i++)
+		debugfs_remove(priv->debugfs_events_files[i]);
+
+	debugfs_remove(priv->events_dir);
+#ifdef PROC_DEBUG
+	debugfs_remove(priv->debugfs_debug);
+#endif
+	for(i=0; i<ARRAY_SIZE(debugfs_files); i++)
+		debugfs_remove(priv->debugfs_files[i]);
+	debugfs_remove(priv->debugfs_dir);
+}
+
+
+
+/* debug entry */
+
+#ifdef PROC_DEBUG
+
+#define item_size(n)	(FIELD_SIZEOF(struct lbs_private, n))
+#define item_addr(n)	(offsetof(struct lbs_private, n))
+
+
+struct debug_data {
+	char name[32];
+	u32 size;
+	size_t addr;
+};
+
+/* To debug any member of struct lbs_private, simply add one line here.
+ */
+static struct debug_data items[] = {
+	{"intcounter", item_size(intcounter), item_addr(intcounter)},
+	{"psmode", item_size(psmode), item_addr(psmode)},
+	{"psstate", item_size(psstate), item_addr(psstate)},
+};
+
+static int num_of_items = ARRAY_SIZE(items);
+
+/**
+ *  @brief proc read function
+ *
+ *  @param page	   pointer to buffer
+ *  @param s       read data starting position
+ *  @param off     offset
+ *  @param cnt     counter
+ *  @param eof     end of file flag
+ *  @param data    data to output
+ *  @return 	   number of output data
+ */
+static ssize_t lbs_debugfs_read(struct file *file, char __user *userbuf,
+			size_t count, loff_t *ppos)
+{
+	int val = 0;
+	size_t pos = 0;
+	ssize_t res;
+	char *p;
+	int i;
+	struct debug_data *d;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+
+	p = buf;
+
+	d = (struct debug_data *)file->private_data;
+
+	for (i = 0; i < num_of_items; i++) {
+		if (d[i].size == 1)
+			val = *((u8 *) d[i].addr);
+		else if (d[i].size == 2)
+			val = *((u16 *) d[i].addr);
+		else if (d[i].size == 4)
+			val = *((u32 *) d[i].addr);
+		else if (d[i].size == 8)
+			val = *((u64 *) d[i].addr);
+
+		pos += sprintf(p + pos, "%s=%d\n", d[i].name, val);
+	}
+
+	res = simple_read_from_buffer(userbuf, count, ppos, p, pos);
+
+	free_page(addr);
+	return res;
+}
+
+/**
+ *  @brief proc write function
+ *
+ *  @param f	   file pointer
+ *  @param buf     pointer to data buffer
+ *  @param cnt     data number to write
+ *  @param data    data to write
+ *  @return 	   number of data
+ */
+static ssize_t lbs_debugfs_write(struct file *f, const char __user *buf,
+			    size_t cnt, loff_t *ppos)
+{
+	int r, i;
+	char *pdata;
+	char *p;
+	char *p0;
+	char *p1;
+	char *p2;
+	struct debug_data *d = (struct debug_data *)f->private_data;
+
+	pdata = kmalloc(cnt, GFP_KERNEL);
+	if (pdata == NULL)
+		return 0;
+
+	if (copy_from_user(pdata, buf, cnt)) {
+		lbs_deb_debugfs("Copy from user failed\n");
+		kfree(pdata);
+		return 0;
+	}
+
+	p0 = pdata;
+	for (i = 0; i < num_of_items; i++) {
+		do {
+			p = strstr(p0, d[i].name);
+			if (p == NULL)
+				break;
+			p1 = strchr(p, '\n');
+			if (p1 == NULL)
+				break;
+			p0 = p1++;
+			p2 = strchr(p, '=');
+			if (!p2)
+				break;
+			p2++;
+			r = simple_strtoul(p2, NULL, 0);
+			if (d[i].size == 1)
+				*((u8 *) d[i].addr) = (u8) r;
+			else if (d[i].size == 2)
+				*((u16 *) d[i].addr) = (u16) r;
+			else if (d[i].size == 4)
+				*((u32 *) d[i].addr) = (u32) r;
+			else if (d[i].size == 8)
+				*((u64 *) d[i].addr) = (u64) r;
+			break;
+		} while (1);
+	}
+	kfree(pdata);
+
+	return (ssize_t)cnt;
+}
+
+static struct file_operations lbs_debug_fops = {
+	.owner = THIS_MODULE,
+	.open = open_file_generic,
+	.write = lbs_debugfs_write,
+	.read = lbs_debugfs_read,
+};
+
+/**
+ *  @brief create debug proc file
+ *
+ *  @param priv	   pointer struct lbs_private
+ *  @param dev     pointer net_device
+ *  @return 	   N/A
+ */
+static void lbs_debug_init(struct lbs_private *priv, struct net_device *dev)
+{
+	int i;
+
+	if (!priv->debugfs_dir)
+		return;
+
+	for (i = 0; i < num_of_items; i++)
+		items[i].addr += (size_t) priv;
+
+	priv->debugfs_debug = debugfs_create_file("debug", 0644,
+						  priv->debugfs_dir, &items[0],
+						  &lbs_debug_fops);
+}
+#endif