Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

Pull networking updates from Davic Miller:

 1) Support busy polling generically, for all NAPI drivers.  From Eric
    Dumazet.

 2) Add byte/packet counter support to nft_ct, from Floriani Westphal.

 3) Add RSS/XPS support to mvneta driver, from Gregory Clement.

 4) Implement IPV6_HDRINCL socket option for raw sockets, from Hannes
    Frederic Sowa.

 5) Add support for T6 adapter to cxgb4 driver, from Hariprasad Shenai.

 6) Add support for VLAN device bridging to mlxsw switch driver, from
    Ido Schimmel.

 7) Add driver for Netronome NFP4000/NFP6000, from Jakub Kicinski.

 8) Provide hwmon interface to mlxsw switch driver, from Jiri Pirko.

 9) Reorganize wireless drivers into per-vendor directories just like we
    do for ethernet drivers.  From Kalle Valo.

10) Provide a way for administrators "destroy" connected sockets via the
    SOCK_DESTROY socket netlink diag operation.  From Lorenzo Colitti.

11) Add support to add/remove multicast routes via netlink, from Nikolay
    Aleksandrov.

12) Make TCP keepalive settings per-namespace, from Nikolay Borisov.

13) Add forwarding and packet duplication facilities to nf_tables, from
    Pablo Neira Ayuso.

14) Dead route support in MPLS, from Roopa Prabhu.

15) TSO support for thunderx chips, from Sunil Goutham.

16) Add driver for IBM's System i/p VNIC protocol, from Thomas Falcon.

17) Rationalize, consolidate, and more completely document the checksum
    offloading facilities in the networking stack.  From Tom Herbert.

18) Support aborting an ongoing scan in mac80211/cfg80211, from
    Vidyullatha Kanchanapally.

19) Use per-bucket spinlock for bpf hash facility, from Tom Leiming.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1375 commits)
  net: bnxt: always return values from _bnxt_get_max_rings
  net: bpf: reject invalid shifts
  phonet: properly unshare skbs in phonet_rcv()
  dwc_eth_qos: Fix dma address for multi-fragment skbs
  phy: remove an unneeded condition
  mdio: remove an unneed condition
  mdio_bus: NULL dereference on allocation error
  net: Fix typo in netdev_intersect_features
  net: freescale: mac-fec: Fix build error from phy_device API change
  net: freescale: ucc_geth: Fix build error from phy_device API change
  bonding: Prevent IPv6 link local address on enslaved devices
  IB/mlx5: Add flow steering support
  net/mlx5_core: Export flow steering API
  net/mlx5_core: Make ipv4/ipv6 location more clear
  net/mlx5_core: Enable flow steering support for the IB driver
  net/mlx5_core: Initialize namespaces only when supported by device
  net/mlx5_core: Set priority attributes
  net/mlx5_core: Connect flow tables
  net/mlx5_core: Introduce modify flow table command
  net/mlx5_core: Managing root flow table
  ...

1 files changed, 936 insertions, 0 deletions

diff --git a/drivers/net/wireless/marvell/libertas/debugfs.c b/drivers/net/wireless/marvell/libertas/debugfs.c
new file mode 100644
index 000000000000..faed1823c58e
--- /dev/null
+++ b/drivers/net/wireless/marvell/libertas/debugfs.c
@@ -0,0 +1,936 @@
+#include <linux/dcache.h>
+#include <linux/debugfs.h>
+#include <linux/delay.h>
+#include <linux/hardirq.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/export.h>
+
+#include "decl.h"
+#include "cmd.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);
+#endif
+
+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;
+	if (!buf)
+		return -ENOMEM;
+
+	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_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 ret;
+	struct sleep_params sp;
+	int p1, p2, p3, p4, p5, p6;
+	char *buf;
+
+	buf = memdup_user_nul(user_buf, min(count, len - 1));
+	if (IS_ERR(buf))
+		return PTR_ERR(buf);
+
+	ret = sscanf(buf, "%d %d %d %d %d %d", &p1, &p2, &p3, &p4, &p5, &p6);
+	if (ret != 6) {
+		ret = -EINVAL;
+		goto out_unlock;
+	}
+	sp.sp_error = p1;
+	sp.sp_offset = p2;
+	sp.sp_stabletime = p3;
+	sp.sp_calcontrol = p4;
+	sp.sp_extsleepclk = p5;
+	sp.sp_reserved = p6;
+
+	ret = lbs_cmd_802_11_sleep_params(priv, CMD_ACT_SET, &sp);
+	if (!ret)
+		ret = count;
+	else if (ret > 0)
+		ret = -EINVAL;
+
+out_unlock:
+	kfree(buf);
+	return ret;
+}
+
+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 ret;
+	size_t pos = 0;
+	struct sleep_params sp;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+	if (!buf)
+		return -ENOMEM;
+
+	ret = lbs_cmd_802_11_sleep_params(priv, CMD_ACT_GET, &sp);
+	if (ret)
+		goto out_unlock;
+
+	pos += snprintf(buf, len, "%d %d %d %d %d %d\n", sp.sp_error,
+			sp.sp_offset, sp.sp_stabletime,
+			sp.sp_calcontrol, sp.sp_extsleepclk,
+			sp.sp_reserved);
+
+	ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+
+out_unlock:
+	free_page(addr);
+	return ret;
+}
+
+static ssize_t lbs_host_sleep_write(struct file *file,
+				const char __user *user_buf, size_t count,
+				loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	ssize_t ret;
+	int host_sleep;
+	char *buf;
+
+	buf = memdup_user_nul(user_buf, min(count, len - 1));
+	if (IS_ERR(buf))
+		return PTR_ERR(buf);
+
+	ret = sscanf(buf, "%d", &host_sleep);
+	if (ret != 1) {
+		ret = -EINVAL;
+		goto out_unlock;
+	}
+
+	if (host_sleep == 0)
+		ret = lbs_set_host_sleep(priv, 0);
+	else if (host_sleep == 1) {
+		if (priv->wol_criteria == EHS_REMOVE_WAKEUP) {
+			netdev_info(priv->dev,
+				    "wake parameters not configured\n");
+			ret = -EINVAL;
+			goto out_unlock;
+		}
+		ret = lbs_set_host_sleep(priv, 1);
+	} else {
+		netdev_err(priv->dev, "invalid option\n");
+		ret = -EINVAL;
+	}
+
+	if (!ret)
+		ret = count;
+
+out_unlock:
+	kfree(buf);
+	return ret;
+}
+
+static ssize_t lbs_host_sleep_read(struct file *file, char __user *userbuf,
+				  size_t count, loff_t *ppos)
+{
+	struct lbs_private *priv = file->private_data;
+	ssize_t ret;
+	size_t pos = 0;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+	if (!buf)
+		return -ENOMEM;
+
+	pos += snprintf(buf, len, "%d\n", priv->is_host_sleep_activated);
+
+	ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+
+	free_page(addr);
+	return ret;
+}
+
+/*
+ * 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(uint16_t tlv_type, const uint8_t *tlv, uint16_t size)
+{
+	struct mrvl_ie_header *tlv_h;
+	uint16_t length;
+	ssize_t pos = 0;
+
+	while (pos < size) {
+		tlv_h = (struct mrvl_ie_header *) tlv;
+		if (!tlv_h->len)
+			return NULL;
+		if (tlv_h->type == cpu_to_le16(tlv_type))
+			return tlv_h;
+		length = le16_to_cpu(tlv_h->len) + sizeof(*tlv_h);
+		pos += length;
+		tlv += length;
+	}
+	return NULL;
+}
+
+
+static ssize_t lbs_threshold_read(uint16_t tlv_type, uint16_t event_mask,
+				  struct file *file, char __user *userbuf,
+				  size_t count, loff_t *ppos)
+{
+	struct cmd_ds_802_11_subscribe_event *subscribed;
+	struct mrvl_ie_thresholds *got;
+	struct lbs_private *priv = file->private_data;
+	ssize_t ret = 0;
+	size_t pos = 0;
+	char *buf;
+	u8 value;
+	u8 freq;
+	int events = 0;
+
+	buf = (char *)get_zeroed_page(GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	subscribed = kzalloc(sizeof(*subscribed), GFP_KERNEL);
+	if (!subscribed) {
+		ret = -ENOMEM;
+		goto out_page;
+	}
+
+	subscribed->hdr.size = cpu_to_le16(sizeof(*subscribed));
+	subscribed->action = cpu_to_le16(CMD_ACT_GET);
+
+	ret = lbs_cmd_with_response(priv, CMD_802_11_SUBSCRIBE_EVENT, subscribed);
+	if (ret)
+		goto out_cmd;
+
+	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);
+
+		pos += snprintf(buf, len, "%d %d %d\n", value, freq,
+				!!(events & event_mask));
+	}
+
+	ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+
+ out_cmd:
+	kfree(subscribed);
+
+ out_page:
+	free_page((unsigned long)buf);
+	return ret;
+}
+
+
+static ssize_t lbs_threshold_write(uint16_t tlv_type, uint16_t event_mask,
+				   struct file *file,
+				   const char __user *userbuf, size_t count,
+				   loff_t *ppos)
+{
+	struct cmd_ds_802_11_subscribe_event *events;
+	struct mrvl_ie_thresholds *tlv;
+	struct lbs_private *priv = file->private_data;
+	int value, freq, new_mask;
+	uint16_t curr_mask;
+	char *buf;
+	int ret;
+
+	buf = memdup_user_nul(userbuf, min(count, len - 1));
+	if (IS_ERR(buf))
+		return PTR_ERR(buf);
+
+	ret = sscanf(buf, "%d %d %d", &value, &freq, &new_mask);
+	if (ret != 3) {
+		ret = -EINVAL;
+		goto out_page;
+	}
+	events = kzalloc(sizeof(*events), GFP_KERNEL);
+	if (!events) {
+		ret = -ENOMEM;
+		goto out_page;
+	}
+
+	events->hdr.size = cpu_to_le16(sizeof(*events));
+	events->action = cpu_to_le16(CMD_ACT_GET);
+
+	ret = lbs_cmd_with_response(priv, CMD_802_11_SUBSCRIBE_EVENT, events);
+	if (ret)
+		goto out_events;
+
+	curr_mask = le16_to_cpu(events->events);
+
+	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 */
+
+	tlv = (void *)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(*tlv) - sizeof(tlv->header));
+	tlv->value = value;
+	if (tlv_type != TLV_TYPE_BCNMISS)
+		tlv->freq = freq;
+
+	/* The command header, the action, the event mask, and one TLV */
+	events->hdr.size = cpu_to_le16(sizeof(events->hdr) + 4 + sizeof(*tlv));
+
+	ret = lbs_cmd_with_response(priv, CMD_802_11_SUBSCRIBE_EVENT, events);
+
+	if (!ret)
+		ret = count;
+ out_events:
+	kfree(events);
+ out_page:
+	kfree(buf);
+	return ret;
+}
+
+
+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;
+	ssize_t pos = 0;
+	int ret;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+	u32 val = 0;
+
+	if (!buf)
+		return -ENOMEM;
+
+	ret = lbs_get_reg(priv, CMD_MAC_REG_ACCESS, priv->mac_offset, &val);
+	mdelay(10);
+	if (!ret) {
+		pos = snprintf(buf, len, "MAC[0x%x] = 0x%08x\n",
+				priv->mac_offset, val);
+		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;
+	char *buf;
+
+	buf = memdup_user_nul(userbuf, min(count, len - 1));
+	if (IS_ERR(buf))
+		return PTR_ERR(buf);
+
+	priv->mac_offset = simple_strtoul(buf, NULL, 16);
+	kfree(buf);
+	return count;
+}
+
+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;
+	u32 offset, value;
+	char *buf;
+
+	buf = memdup_user_nul(userbuf, min(count, len - 1));
+	if (IS_ERR(buf))
+		return PTR_ERR(buf);
+
+	res = sscanf(buf, "%x %x", &offset, &value);
+	if (res != 2) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+
+	res = lbs_set_reg(priv, CMD_MAC_REG_ACCESS, offset, value);
+	mdelay(10);
+
+	if (!res)
+		res = count;
+out_unlock:
+	kfree(buf);
+	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;
+	ssize_t pos = 0;
+	int ret;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+	u32 val;
+
+	if (!buf)
+		return -ENOMEM;
+
+	ret = lbs_get_reg(priv, CMD_BBP_REG_ACCESS, priv->bbp_offset, &val);
+	mdelay(10);
+	if (!ret) {
+		pos = snprintf(buf, len, "BBP[0x%x] = 0x%08x\n",
+				priv->bbp_offset, val);
+		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;
+	char *buf;
+
+	buf = memdup_user_nul(userbuf, min(count, len - 1));
+	if (IS_ERR(buf))
+		return PTR_ERR(buf);
+
+	priv->bbp_offset = simple_strtoul(buf, NULL, 16);
+	kfree(buf);
+
+	return count;
+}
+
+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;
+	u32 offset, value;
+	char *buf;
+
+	buf = memdup_user_nul(userbuf, min(count, len - 1));
+	if (IS_ERR(buf))
+		return PTR_ERR(buf);
+
+	res = sscanf(buf, "%x %x", &offset, &value);
+	if (res != 2) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+
+	res = lbs_set_reg(priv, CMD_BBP_REG_ACCESS, offset, value);
+	mdelay(10);
+
+	if (!res)
+		res = count;
+out_unlock:
+	kfree(buf);
+	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;
+	ssize_t pos = 0;
+	int ret;
+	unsigned long addr = get_zeroed_page(GFP_KERNEL);
+	char *buf = (char *)addr;
+	u32 val;
+
+	if (!buf)
+		return -ENOMEM;
+
+	ret = lbs_get_reg(priv, CMD_RF_REG_ACCESS, priv->rf_offset, &val);
+	mdelay(10);
+	if (!ret) {
+		pos = snprintf(buf, len, "RF[0x%x] = 0x%08x\n",
+				priv->rf_offset, val);
+		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;
+	char *buf;
+
+	buf = memdup_user_nul(userbuf, min(count, len - 1));
+	if (IS_ERR(buf))
+		return PTR_ERR(buf);
+
+	priv->rf_offset = simple_strtoul(buf, NULL, 16);
+	kfree(buf);
+	return count;
+}
+
+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;
+	u32 offset, value;
+	char *buf;
+
+	buf = memdup_user_nul(userbuf, min(count, len - 1));
+	if (IS_ERR(buf))
+		return PTR_ERR(buf);
+
+	res = sscanf(buf, "%x %x", &offset, &value);
+	if (res != 2) {
+		res = -EFAULT;
+		goto out_unlock;
+	}
+
+	res = lbs_set_reg(priv, CMD_RF_REG_ACCESS, offset, value);
+	mdelay(10);
+
+	if (!res)
+		res = count;
+out_unlock:
+	kfree(buf);
+	return res;
+}
+
+#define FOPS(fread, fwrite) { \
+	.owner = THIS_MODULE, \
+	.open = simple_open, \
+	.read = (fread), \
+	.write = (fwrite), \
+	.llseek = generic_file_llseek, \
+}
+
+struct lbs_debugfs_files {
+	const char *name;
+	umode_t perm;
+	struct file_operations fops;
+};
+
+static const struct lbs_debugfs_files debugfs_files[] = {
+	{ "info", 0444, FOPS(lbs_dev_info, write_file_dummy), },
+	{ "sleepparams", 0644, FOPS(lbs_sleepparams_read,
+				lbs_sleepparams_write), },
+	{ "hostsleep", 0644, FOPS(lbs_host_sleep_read,
+				lbs_host_sleep_write), },
+};
+
+static const 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 const 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);
+}
+
+void lbs_debugfs_remove(void)
+{
+	debugfs_remove(lbs_dir);
+}
+
+void lbs_debugfs_init_one(struct lbs_private *priv, struct net_device *dev)
+{
+	int i;
+	const 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);
+#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[] = {
+	{"psmode", item_size(psmode), item_addr(psmode)},
+	{"psstate", item_size(psstate), item_addr(psstate)},
+};
+
+static int num_of_items = ARRAY_SIZE(items);
+
+/**
+ * lbs_debugfs_read - proc read function
+ *
+ * @file:	file to read
+ * @userbuf:	pointer to buffer
+ * @count:	number of bytes to read
+ * @ppos:	read data starting position
+ *
+ * returns:	amount of data read or negative error code
+ */
+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;
+	if (!buf)
+		return -ENOMEM;
+
+	p = buf;
+
+	d = 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;
+}
+
+/**
+ * lbs_debugfs_write - proc write function
+ *
+ * @f:		file pointer
+ * @buf:	pointer to data buffer
+ * @cnt:	data number to write
+ * @ppos:	file position
+ *
+ * returns:	amount of data written
+ */
+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 = f->private_data;
+
+	if (cnt == 0)
+		return 0;
+
+	pdata = memdup_user_nul(buf, cnt);
+	if (IS_ERR(pdata))
+		return PTR_ERR(pdata);
+
+	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 const struct file_operations lbs_debug_fops = {
+	.owner = THIS_MODULE,
+	.open = simple_open,
+	.write = lbs_debugfs_write,
+	.read = lbs_debugfs_read,
+	.llseek = default_llseek,
+};
+
+/**
+ * lbs_debug_init - create debug proc file
+ *
+ * @priv:	pointer to &struct lbs_private
+ *
+ * returns:	N/A
+ */
+static void lbs_debug_init(struct lbs_private *priv)
+{
+	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