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, 1426 insertions, 0 deletions

diff --git a/drivers/net/wireless/intel/iwlegacy/debug.c b/drivers/net/wireless/intel/iwlegacy/debug.c
new file mode 100644
index 000000000000..908b9f4fef6f
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlegacy/debug.c
@@ -0,0 +1,1426 @@
+/******************************************************************************
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
+ * USA
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called LICENSE.GPL.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *****************************************************************************/
+#include <linux/ieee80211.h>
+#include <linux/export.h>
+#include <net/mac80211.h>
+
+#include "common.h"
+
+static void
+il_clear_traffic_stats(struct il_priv *il)
+{
+	memset(&il->tx_stats, 0, sizeof(struct traffic_stats));
+	memset(&il->rx_stats, 0, sizeof(struct traffic_stats));
+}
+
+/*
+ * il_update_stats function record all the MGMT, CTRL and DATA pkt for
+ * both TX and Rx . Use debugfs to display the rx/rx_stats
+ */
+void
+il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len)
+{
+	struct traffic_stats *stats;
+
+	if (is_tx)
+		stats = &il->tx_stats;
+	else
+		stats = &il->rx_stats;
+
+	if (ieee80211_is_mgmt(fc)) {
+		switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
+		case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ):
+			stats->mgmt[MANAGEMENT_ASSOC_REQ]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
+			stats->mgmt[MANAGEMENT_ASSOC_RESP]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ):
+			stats->mgmt[MANAGEMENT_REASSOC_REQ]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
+			stats->mgmt[MANAGEMENT_REASSOC_RESP]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_PROBE_REQ):
+			stats->mgmt[MANAGEMENT_PROBE_REQ]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
+			stats->mgmt[MANAGEMENT_PROBE_RESP]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_BEACON):
+			stats->mgmt[MANAGEMENT_BEACON]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_ATIM):
+			stats->mgmt[MANAGEMENT_ATIM]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
+			stats->mgmt[MANAGEMENT_DISASSOC]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_AUTH):
+			stats->mgmt[MANAGEMENT_AUTH]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
+			stats->mgmt[MANAGEMENT_DEAUTH]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_ACTION):
+			stats->mgmt[MANAGEMENT_ACTION]++;
+			break;
+		}
+	} else if (ieee80211_is_ctl(fc)) {
+		switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
+		case cpu_to_le16(IEEE80211_STYPE_BACK_REQ):
+			stats->ctrl[CONTROL_BACK_REQ]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_BACK):
+			stats->ctrl[CONTROL_BACK]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_PSPOLL):
+			stats->ctrl[CONTROL_PSPOLL]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_RTS):
+			stats->ctrl[CONTROL_RTS]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_CTS):
+			stats->ctrl[CONTROL_CTS]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_ACK):
+			stats->ctrl[CONTROL_ACK]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_CFEND):
+			stats->ctrl[CONTROL_CFEND]++;
+			break;
+		case cpu_to_le16(IEEE80211_STYPE_CFENDACK):
+			stats->ctrl[CONTROL_CFENDACK]++;
+			break;
+		}
+	} else {
+		/* data */
+		stats->data_cnt++;
+		stats->data_bytes += len;
+	}
+}
+EXPORT_SYMBOL(il_update_stats);
+
+/* create and remove of files */
+#define DEBUGFS_ADD_FILE(name, parent, mode) do {			\
+	if (!debugfs_create_file(#name, mode, parent, il,		\
+			 &il_dbgfs_##name##_ops))		\
+		goto err;						\
+} while (0)
+
+#define DEBUGFS_ADD_BOOL(name, parent, ptr) do {			\
+	struct dentry *__tmp;						\
+	__tmp = debugfs_create_bool(#name, S_IWUSR | S_IRUSR,		\
+				    parent, ptr);			\
+	if (IS_ERR(__tmp) || !__tmp)					\
+		goto err;						\
+} while (0)
+
+#define DEBUGFS_ADD_X32(name, parent, ptr) do {				\
+	struct dentry *__tmp;						\
+	__tmp = debugfs_create_x32(#name, S_IWUSR | S_IRUSR,		\
+				   parent, ptr);			\
+	if (IS_ERR(__tmp) || !__tmp)					\
+		goto err;						\
+} while (0)
+
+/* file operation */
+#define DEBUGFS_READ_FUNC(name)                                         \
+static ssize_t il_dbgfs_##name##_read(struct file *file,               \
+					char __user *user_buf,          \
+					size_t count, loff_t *ppos);
+
+#define DEBUGFS_WRITE_FUNC(name)                                        \
+static ssize_t il_dbgfs_##name##_write(struct file *file,              \
+					const char __user *user_buf,    \
+					size_t count, loff_t *ppos);
+
+
+#define DEBUGFS_READ_FILE_OPS(name)				\
+	DEBUGFS_READ_FUNC(name);				\
+static const struct file_operations il_dbgfs_##name##_ops = {	\
+	.read = il_dbgfs_##name##_read,				\
+	.open = simple_open,					\
+	.llseek = generic_file_llseek,				\
+};
+
+#define DEBUGFS_WRITE_FILE_OPS(name)				\
+	DEBUGFS_WRITE_FUNC(name);				\
+static const struct file_operations il_dbgfs_##name##_ops = {	\
+	.write = il_dbgfs_##name##_write,			\
+	.open = simple_open,					\
+	.llseek = generic_file_llseek,				\
+};
+
+#define DEBUGFS_READ_WRITE_FILE_OPS(name)			\
+	DEBUGFS_READ_FUNC(name);				\
+	DEBUGFS_WRITE_FUNC(name);				\
+static const struct file_operations il_dbgfs_##name##_ops = {	\
+	.write = il_dbgfs_##name##_write,			\
+	.read = il_dbgfs_##name##_read,				\
+	.open = simple_open,					\
+	.llseek = generic_file_llseek,				\
+};
+
+static const char *
+il_get_mgmt_string(int cmd)
+{
+	switch (cmd) {
+	IL_CMD(MANAGEMENT_ASSOC_REQ);
+	IL_CMD(MANAGEMENT_ASSOC_RESP);
+	IL_CMD(MANAGEMENT_REASSOC_REQ);
+	IL_CMD(MANAGEMENT_REASSOC_RESP);
+	IL_CMD(MANAGEMENT_PROBE_REQ);
+	IL_CMD(MANAGEMENT_PROBE_RESP);
+	IL_CMD(MANAGEMENT_BEACON);
+	IL_CMD(MANAGEMENT_ATIM);
+	IL_CMD(MANAGEMENT_DISASSOC);
+	IL_CMD(MANAGEMENT_AUTH);
+	IL_CMD(MANAGEMENT_DEAUTH);
+	IL_CMD(MANAGEMENT_ACTION);
+	default:
+		return "UNKNOWN";
+
+	}
+}
+
+static const char *
+il_get_ctrl_string(int cmd)
+{
+	switch (cmd) {
+	IL_CMD(CONTROL_BACK_REQ);
+	IL_CMD(CONTROL_BACK);
+	IL_CMD(CONTROL_PSPOLL);
+	IL_CMD(CONTROL_RTS);
+	IL_CMD(CONTROL_CTS);
+	IL_CMD(CONTROL_ACK);
+	IL_CMD(CONTROL_CFEND);
+	IL_CMD(CONTROL_CFENDACK);
+	default:
+		return "UNKNOWN";
+
+	}
+}
+
+static ssize_t
+il_dbgfs_tx_stats_read(struct file *file, char __user *user_buf, size_t count,
+		       loff_t *ppos)
+{
+
+	struct il_priv *il = file->private_data;
+	char *buf;
+	int pos = 0;
+
+	int cnt;
+	ssize_t ret;
+	const size_t bufsz =
+	    100 + sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
+	buf = kzalloc(bufsz, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+	pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
+	for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos, "\t%25s\t\t: %u\n",
+			      il_get_mgmt_string(cnt), il->tx_stats.mgmt[cnt]);
+	}
+	pos += scnprintf(buf + pos, bufsz - pos, "Control\n");
+	for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos, "\t%25s\t\t: %u\n",
+			      il_get_ctrl_string(cnt), il->tx_stats.ctrl[cnt]);
+	}
+	pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
+		      il->tx_stats.data_cnt);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
+		      il->tx_stats.data_bytes);
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	kfree(buf);
+	return ret;
+}
+
+static ssize_t
+il_dbgfs_clear_traffic_stats_write(struct file *file,
+				   const char __user *user_buf, size_t count,
+				   loff_t *ppos)
+{
+	struct il_priv *il = file->private_data;
+	u32 clear_flag;
+	char buf[8];
+	int buf_size;
+
+	memset(buf, 0, sizeof(buf));
+	buf_size = min(count, sizeof(buf) - 1);
+	if (copy_from_user(buf, user_buf, buf_size))
+		return -EFAULT;
+	if (sscanf(buf, "%x", &clear_flag) != 1)
+		return -EFAULT;
+	il_clear_traffic_stats(il);
+
+	return count;
+}
+
+static ssize_t
+il_dbgfs_rx_stats_read(struct file *file, char __user *user_buf, size_t count,
+		       loff_t *ppos)
+{
+
+	struct il_priv *il = file->private_data;
+	char *buf;
+	int pos = 0;
+	int cnt;
+	ssize_t ret;
+	const size_t bufsz =
+	    100 + sizeof(char) * 50 * (MANAGEMENT_MAX + CONTROL_MAX);
+	buf = kzalloc(bufsz, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
+	for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos, "\t%25s\t\t: %u\n",
+			      il_get_mgmt_string(cnt), il->rx_stats.mgmt[cnt]);
+	}
+	pos += scnprintf(buf + pos, bufsz - pos, "Control:\n");
+	for (cnt = 0; cnt < CONTROL_MAX; cnt++) {
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos, "\t%25s\t\t: %u\n",
+			      il_get_ctrl_string(cnt), il->rx_stats.ctrl[cnt]);
+	}
+	pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
+		      il->rx_stats.data_cnt);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
+		      il->rx_stats.data_bytes);
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	kfree(buf);
+	return ret;
+}
+
+#define BYTE1_MASK 0x000000ff;
+#define BYTE2_MASK 0x0000ffff;
+#define BYTE3_MASK 0x00ffffff;
+static ssize_t
+il_dbgfs_sram_read(struct file *file, char __user *user_buf, size_t count,
+		   loff_t *ppos)
+{
+	u32 val;
+	char *buf;
+	ssize_t ret;
+	int i;
+	int pos = 0;
+	struct il_priv *il = file->private_data;
+	size_t bufsz;
+
+	/* default is to dump the entire data segment */
+	if (!il->dbgfs_sram_offset && !il->dbgfs_sram_len) {
+		il->dbgfs_sram_offset = 0x800000;
+		if (il->ucode_type == UCODE_INIT)
+			il->dbgfs_sram_len = il->ucode_init_data.len;
+		else
+			il->dbgfs_sram_len = il->ucode_data.len;
+	}
+	bufsz = 30 + il->dbgfs_sram_len * sizeof(char) * 10;
+	buf = kmalloc(bufsz, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "sram_len: 0x%x\n",
+		      il->dbgfs_sram_len);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "sram_offset: 0x%x\n",
+		      il->dbgfs_sram_offset);
+	for (i = il->dbgfs_sram_len; i > 0; i -= 4) {
+		val =
+		    il_read_targ_mem(il,
+				     il->dbgfs_sram_offset +
+				     il->dbgfs_sram_len - i);
+		if (i < 4) {
+			switch (i) {
+			case 1:
+				val &= BYTE1_MASK;
+				break;
+			case 2:
+				val &= BYTE2_MASK;
+				break;
+			case 3:
+				val &= BYTE3_MASK;
+				break;
+			}
+		}
+		if (!(i % 16))
+			pos += scnprintf(buf + pos, bufsz - pos, "\n");
+		pos += scnprintf(buf + pos, bufsz - pos, "0x%08x ", val);
+	}
+	pos += scnprintf(buf + pos, bufsz - pos, "\n");
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	kfree(buf);
+	return ret;
+}
+
+static ssize_t
+il_dbgfs_sram_write(struct file *file, const char __user *user_buf,
+		    size_t count, loff_t *ppos)
+{
+	struct il_priv *il = file->private_data;
+	char buf[64];
+	int buf_size;
+	u32 offset, len;
+
+	memset(buf, 0, sizeof(buf));
+	buf_size = min(count, sizeof(buf) - 1);
+	if (copy_from_user(buf, user_buf, buf_size))
+		return -EFAULT;
+
+	if (sscanf(buf, "%x,%x", &offset, &len) == 2) {
+		il->dbgfs_sram_offset = offset;
+		il->dbgfs_sram_len = len;
+	} else {
+		il->dbgfs_sram_offset = 0;
+		il->dbgfs_sram_len = 0;
+	}
+
+	return count;
+}
+
+static ssize_t
+il_dbgfs_stations_read(struct file *file, char __user *user_buf, size_t count,
+		       loff_t *ppos)
+{
+	struct il_priv *il = file->private_data;
+	struct il_station_entry *station;
+	int max_sta = il->hw_params.max_stations;
+	char *buf;
+	int i, j, pos = 0;
+	ssize_t ret;
+	/* Add 30 for initial string */
+	const size_t bufsz = 30 + sizeof(char) * 500 * (il->num_stations);
+
+	buf = kmalloc(bufsz, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
+		      il->num_stations);
+
+	for (i = 0; i < max_sta; i++) {
+		station = &il->stations[i];
+		if (!station->used)
+			continue;
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos,
+			      "station %d - addr: %pM, flags: %#x\n", i,
+			      station->sta.sta.addr,
+			      station->sta.station_flags_msk);
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos,
+			      "TID\tseq_num\ttxq_id\tframes\ttfds\t");
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos,
+			      "start_idx\tbitmap\t\t\trate_n_flags\n");
+
+		for (j = 0; j < MAX_TID_COUNT; j++) {
+			pos +=
+			    scnprintf(buf + pos, bufsz - pos,
+				      "%d:\t%#x\t%#x\t%u\t%u\t%u\t\t%#.16llx\t%#x",
+				      j, station->tid[j].seq_number,
+				      station->tid[j].agg.txq_id,
+				      station->tid[j].agg.frame_count,
+				      station->tid[j].tfds_in_queue,
+				      station->tid[j].agg.start_idx,
+				      station->tid[j].agg.bitmap,
+				      station->tid[j].agg.rate_n_flags);
+
+			if (station->tid[j].agg.wait_for_ba)
+				pos +=
+				    scnprintf(buf + pos, bufsz - pos,
+					      " - waitforba");
+			pos += scnprintf(buf + pos, bufsz - pos, "\n");
+		}
+
+		pos += scnprintf(buf + pos, bufsz - pos, "\n");
+	}
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	kfree(buf);
+	return ret;
+}
+
+static ssize_t
+il_dbgfs_nvm_read(struct file *file, char __user *user_buf, size_t count,
+		  loff_t *ppos)
+{
+	ssize_t ret;
+	struct il_priv *il = file->private_data;
+	int pos = 0, ofs = 0, buf_size = 0;
+	const u8 *ptr;
+	char *buf;
+	u16 eeprom_ver;
+	size_t eeprom_len = il->cfg->eeprom_size;
+	buf_size = 4 * eeprom_len + 256;
+
+	if (eeprom_len % 16) {
+		IL_ERR("NVM size is not multiple of 16.\n");
+		return -ENODATA;
+	}
+
+	ptr = il->eeprom;
+	if (!ptr) {
+		IL_ERR("Invalid EEPROM memory\n");
+		return -ENOMEM;
+	}
+
+	/* 4 characters for byte 0xYY */
+	buf = kzalloc(buf_size, GFP_KERNEL);
+	if (!buf) {
+		IL_ERR("Can not allocate Buffer\n");
+		return -ENOMEM;
+	}
+	eeprom_ver = il_eeprom_query16(il, EEPROM_VERSION);
+	pos +=
+	    scnprintf(buf + pos, buf_size - pos, "EEPROM " "version: 0x%x\n",
+		      eeprom_ver);
+	for (ofs = 0; ofs < eeprom_len; ofs += 16) {
+		pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x %16ph\n",
+				 ofs, ptr + ofs);
+	}
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	kfree(buf);
+	return ret;
+}
+
+static ssize_t
+il_dbgfs_channels_read(struct file *file, char __user *user_buf, size_t count,
+		       loff_t *ppos)
+{
+	struct il_priv *il = file->private_data;
+	struct ieee80211_channel *channels = NULL;
+	const struct ieee80211_supported_band *supp_band = NULL;
+	int pos = 0, i, bufsz = PAGE_SIZE;
+	char *buf;
+	ssize_t ret;
+
+	if (!test_bit(S_GEO_CONFIGURED, &il->status))
+		return -EAGAIN;
+
+	buf = kzalloc(bufsz, GFP_KERNEL);
+	if (!buf) {
+		IL_ERR("Can not allocate Buffer\n");
+		return -ENOMEM;
+	}
+
+	supp_band = il_get_hw_mode(il, IEEE80211_BAND_2GHZ);
+	if (supp_band) {
+		channels = supp_band->channels;
+
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos,
+			      "Displaying %d channels in 2.4GHz band 802.11bg):\n",
+			      supp_band->n_channels);
+
+		for (i = 0; i < supp_band->n_channels; i++)
+			pos +=
+			    scnprintf(buf + pos, bufsz - pos,
+				      "%d: %ddBm: BSS%s%s, %s.\n",
+				      channels[i].hw_value,
+				      channels[i].max_power,
+				      channels[i].
+				      flags & IEEE80211_CHAN_RADAR ?
+				      " (IEEE 802.11h required)" : "",
+				      ((channels[i].
+					flags & IEEE80211_CHAN_NO_IR) ||
+				       (channels[i].
+					flags & IEEE80211_CHAN_RADAR)) ? "" :
+				      ", IBSS",
+				      channels[i].
+				      flags & IEEE80211_CHAN_NO_IR ?
+				      "passive only" : "active/passive");
+	}
+	supp_band = il_get_hw_mode(il, IEEE80211_BAND_5GHZ);
+	if (supp_band) {
+		channels = supp_band->channels;
+
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos,
+			      "Displaying %d channels in 5.2GHz band (802.11a)\n",
+			      supp_band->n_channels);
+
+		for (i = 0; i < supp_band->n_channels; i++)
+			pos +=
+			    scnprintf(buf + pos, bufsz - pos,
+				      "%d: %ddBm: BSS%s%s, %s.\n",
+				      channels[i].hw_value,
+				      channels[i].max_power,
+				      channels[i].
+				      flags & IEEE80211_CHAN_RADAR ?
+				      " (IEEE 802.11h required)" : "",
+				      ((channels[i].
+					flags & IEEE80211_CHAN_NO_IR) ||
+				       (channels[i].
+					flags & IEEE80211_CHAN_RADAR)) ? "" :
+				      ", IBSS",
+				      channels[i].
+				      flags & IEEE80211_CHAN_NO_IR ?
+				      "passive only" : "active/passive");
+	}
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	kfree(buf);
+	return ret;
+}
+
+static ssize_t
+il_dbgfs_status_read(struct file *file, char __user *user_buf, size_t count,
+		     loff_t *ppos)
+{
+
+	struct il_priv *il = file->private_data;
+	char buf[512];
+	int pos = 0;
+	const size_t bufsz = sizeof(buf);
+
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_HCMD_ACTIVE:\t %d\n",
+		      test_bit(S_HCMD_ACTIVE, &il->status));
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_INT_ENABLED:\t %d\n",
+		      test_bit(S_INT_ENABLED, &il->status));
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_RFKILL:\t %d\n",
+		      test_bit(S_RFKILL, &il->status));
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_CT_KILL:\t\t %d\n",
+		      test_bit(S_CT_KILL, &il->status));
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_INIT:\t\t %d\n",
+		      test_bit(S_INIT, &il->status));
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_ALIVE:\t\t %d\n",
+		      test_bit(S_ALIVE, &il->status));
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_READY:\t\t %d\n",
+		      test_bit(S_READY, &il->status));
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_TEMPERATURE:\t %d\n",
+		      test_bit(S_TEMPERATURE, &il->status));
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_GEO_CONFIGURED:\t %d\n",
+		      test_bit(S_GEO_CONFIGURED, &il->status));
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_EXIT_PENDING:\t %d\n",
+		      test_bit(S_EXIT_PENDING, &il->status));
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_STATS:\t %d\n",
+		      test_bit(S_STATS, &il->status));
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_SCANNING:\t %d\n",
+		      test_bit(S_SCANNING, &il->status));
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_SCAN_ABORTING:\t %d\n",
+		      test_bit(S_SCAN_ABORTING, &il->status));
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_SCAN_HW:\t\t %d\n",
+		      test_bit(S_SCAN_HW, &il->status));
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_POWER_PMI:\t %d\n",
+		      test_bit(S_POWER_PMI, &il->status));
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "S_FW_ERROR:\t %d\n",
+		      test_bit(S_FW_ERROR, &il->status));
+	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
+static ssize_t
+il_dbgfs_interrupt_read(struct file *file, char __user *user_buf, size_t count,
+			loff_t *ppos)
+{
+
+	struct il_priv *il = file->private_data;
+	int pos = 0;
+	int cnt = 0;
+	char *buf;
+	int bufsz = 24 * 64;	/* 24 items * 64 char per item */
+	ssize_t ret;
+
+	buf = kzalloc(bufsz, GFP_KERNEL);
+	if (!buf) {
+		IL_ERR("Can not allocate Buffer\n");
+		return -ENOMEM;
+	}
+
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "Interrupt Statistics Report:\n");
+
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "HW Error:\t\t\t %u\n",
+		      il->isr_stats.hw);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "SW Error:\t\t\t %u\n",
+		      il->isr_stats.sw);
+	if (il->isr_stats.sw || il->isr_stats.hw) {
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos,
+			      "\tLast Restarting Code:  0x%X\n",
+			      il->isr_stats.err_code);
+	}
+#ifdef CONFIG_IWLEGACY_DEBUG
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "Frame transmitted:\t\t %u\n",
+		      il->isr_stats.sch);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "Alive interrupt:\t\t %u\n",
+		      il->isr_stats.alive);
+#endif
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos,
+		      "HW RF KILL switch toggled:\t %u\n",
+		      il->isr_stats.rfkill);
+
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "CT KILL:\t\t\t %u\n",
+		      il->isr_stats.ctkill);
+
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "Wakeup Interrupt:\t\t %u\n",
+		      il->isr_stats.wakeup);
+
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "Rx command responses:\t\t %u\n",
+		      il->isr_stats.rx);
+	for (cnt = 0; cnt < IL_CN_MAX; cnt++) {
+		if (il->isr_stats.handlers[cnt] > 0)
+			pos +=
+			    scnprintf(buf + pos, bufsz - pos,
+				      "\tRx handler[%36s]:\t\t %u\n",
+				      il_get_cmd_string(cnt),
+				      il->isr_stats.handlers[cnt]);
+	}
+
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "Tx/FH interrupt:\t\t %u\n",
+		      il->isr_stats.tx);
+
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "Unexpected INTA:\t\t %u\n",
+		      il->isr_stats.unhandled);
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	kfree(buf);
+	return ret;
+}
+
+static ssize_t
+il_dbgfs_interrupt_write(struct file *file, const char __user *user_buf,
+			 size_t count, loff_t *ppos)
+{
+	struct il_priv *il = file->private_data;
+	char buf[8];
+	int buf_size;
+	u32 reset_flag;
+
+	memset(buf, 0, sizeof(buf));
+	buf_size = min(count, sizeof(buf) - 1);
+	if (copy_from_user(buf, user_buf, buf_size))
+		return -EFAULT;
+	if (sscanf(buf, "%x", &reset_flag) != 1)
+		return -EFAULT;
+	if (reset_flag == 0)
+		il_clear_isr_stats(il);
+
+	return count;
+}
+
+static ssize_t
+il_dbgfs_qos_read(struct file *file, char __user *user_buf, size_t count,
+		  loff_t *ppos)
+{
+	struct il_priv *il = file->private_data;
+	int pos = 0, i;
+	char buf[256];
+	const size_t bufsz = sizeof(buf);
+
+	for (i = 0; i < AC_NUM; i++) {
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos,
+			      "\tcw_min\tcw_max\taifsn\ttxop\n");
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos,
+			      "AC[%d]\t%u\t%u\t%u\t%u\n", i,
+			      il->qos_data.def_qos_parm.ac[i].cw_min,
+			      il->qos_data.def_qos_parm.ac[i].cw_max,
+			      il->qos_data.def_qos_parm.ac[i].aifsn,
+			      il->qos_data.def_qos_parm.ac[i].edca_txop);
+	}
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
+static ssize_t
+il_dbgfs_disable_ht40_write(struct file *file, const char __user *user_buf,
+			    size_t count, loff_t *ppos)
+{
+	struct il_priv *il = file->private_data;
+	char buf[8];
+	int buf_size;
+	int ht40;
+
+	memset(buf, 0, sizeof(buf));
+	buf_size = min(count, sizeof(buf) - 1);
+	if (copy_from_user(buf, user_buf, buf_size))
+		return -EFAULT;
+	if (sscanf(buf, "%d", &ht40) != 1)
+		return -EFAULT;
+	if (!il_is_any_associated(il))
+		il->disable_ht40 = ht40 ? true : false;
+	else {
+		IL_ERR("Sta associated with AP - "
+		       "Change to 40MHz channel support is not allowed\n");
+		return -EINVAL;
+	}
+
+	return count;
+}
+
+static ssize_t
+il_dbgfs_disable_ht40_read(struct file *file, char __user *user_buf,
+			   size_t count, loff_t *ppos)
+{
+	struct il_priv *il = file->private_data;
+	char buf[100];
+	int pos = 0;
+	const size_t bufsz = sizeof(buf);
+
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "11n 40MHz Mode: %s\n",
+		      il->disable_ht40 ? "Disabled" : "Enabled");
+	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
+DEBUGFS_READ_WRITE_FILE_OPS(sram);
+DEBUGFS_READ_FILE_OPS(nvm);
+DEBUGFS_READ_FILE_OPS(stations);
+DEBUGFS_READ_FILE_OPS(channels);
+DEBUGFS_READ_FILE_OPS(status);
+DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
+DEBUGFS_READ_FILE_OPS(qos);
+DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
+
+static ssize_t
+il_dbgfs_tx_queue_read(struct file *file, char __user *user_buf, size_t count,
+		       loff_t *ppos)
+{
+
+	struct il_priv *il = file->private_data;
+	struct il_tx_queue *txq;
+	struct il_queue *q;
+	char *buf;
+	int pos = 0;
+	int cnt;
+	int ret;
+	const size_t bufsz =
+	    sizeof(char) * 64 * il->cfg->num_of_queues;
+
+	if (!il->txq) {
+		IL_ERR("txq not ready\n");
+		return -EAGAIN;
+	}
+	buf = kzalloc(bufsz, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	for (cnt = 0; cnt < il->hw_params.max_txq_num; cnt++) {
+		txq = &il->txq[cnt];
+		q = &txq->q;
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos,
+			      "hwq %.2d: read=%u write=%u stop=%d"
+			      " swq_id=%#.2x (ac %d/hwq %d)\n", cnt,
+			      q->read_ptr, q->write_ptr,
+			      !!test_bit(cnt, il->queue_stopped),
+			      txq->swq_id, txq->swq_id & 3,
+			      (txq->swq_id >> 2) & 0x1f);
+		if (cnt >= 4)
+			continue;
+		/* for the ACs, display the stop count too */
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos,
+			      "        stop-count: %d\n",
+			      atomic_read(&il->queue_stop_count[cnt]));
+	}
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	kfree(buf);
+	return ret;
+}
+
+static ssize_t
+il_dbgfs_rx_queue_read(struct file *file, char __user *user_buf, size_t count,
+		       loff_t *ppos)
+{
+
+	struct il_priv *il = file->private_data;
+	struct il_rx_queue *rxq = &il->rxq;
+	char buf[256];
+	int pos = 0;
+	const size_t bufsz = sizeof(buf);
+
+	pos += scnprintf(buf + pos, bufsz - pos, "read: %u\n", rxq->read);
+	pos += scnprintf(buf + pos, bufsz - pos, "write: %u\n", rxq->write);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "free_count: %u\n",
+		      rxq->free_count);
+	if (rxq->rb_stts) {
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
+			      le16_to_cpu(rxq->rb_stts->
+					  closed_rb_num) & 0x0FFF);
+	} else {
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos,
+			      "closed_rb_num: Not Allocated\n");
+	}
+	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
+static ssize_t
+il_dbgfs_ucode_rx_stats_read(struct file *file, char __user *user_buf,
+			     size_t count, loff_t *ppos)
+{
+	struct il_priv *il = file->private_data;
+
+	return il->debugfs_ops->rx_stats_read(file, user_buf, count, ppos);
+}
+
+static ssize_t
+il_dbgfs_ucode_tx_stats_read(struct file *file, char __user *user_buf,
+			     size_t count, loff_t *ppos)
+{
+	struct il_priv *il = file->private_data;
+
+	return il->debugfs_ops->tx_stats_read(file, user_buf, count, ppos);
+}
+
+static ssize_t
+il_dbgfs_ucode_general_stats_read(struct file *file, char __user *user_buf,
+				  size_t count, loff_t *ppos)
+{
+	struct il_priv *il = file->private_data;
+
+	return il->debugfs_ops->general_stats_read(file, user_buf, count, ppos);
+}
+
+static ssize_t
+il_dbgfs_sensitivity_read(struct file *file, char __user *user_buf,
+			  size_t count, loff_t *ppos)
+{
+
+	struct il_priv *il = file->private_data;
+	int pos = 0;
+	int cnt = 0;
+	char *buf;
+	int bufsz = sizeof(struct il_sensitivity_data) * 4 + 100;
+	ssize_t ret;
+	struct il_sensitivity_data *data;
+
+	data = &il->sensitivity_data;
+	buf = kzalloc(bufsz, GFP_KERNEL);
+	if (!buf) {
+		IL_ERR("Can not allocate Buffer\n");
+		return -ENOMEM;
+	}
+
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm:\t\t\t %u\n",
+		      data->auto_corr_ofdm);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_mrc:\t\t %u\n",
+		      data->auto_corr_ofdm_mrc);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_x1:\t\t %u\n",
+		      data->auto_corr_ofdm_x1);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "auto_corr_ofdm_mrc_x1:\t\t %u\n",
+		      data->auto_corr_ofdm_mrc_x1);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "auto_corr_cck:\t\t\t %u\n",
+		      data->auto_corr_cck);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "auto_corr_cck_mrc:\t\t %u\n",
+		      data->auto_corr_cck_mrc);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos,
+		      "last_bad_plcp_cnt_ofdm:\t\t %u\n",
+		      data->last_bad_plcp_cnt_ofdm);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_ofdm:\t\t %u\n",
+		      data->last_fa_cnt_ofdm);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "last_bad_plcp_cnt_cck:\t\t %u\n",
+		      data->last_bad_plcp_cnt_cck);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "last_fa_cnt_cck:\t\t %u\n",
+		      data->last_fa_cnt_cck);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "nrg_curr_state:\t\t\t %u\n",
+		      data->nrg_curr_state);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "nrg_prev_state:\t\t\t %u\n",
+		      data->nrg_prev_state);
+	pos += scnprintf(buf + pos, bufsz - pos, "nrg_value:\t\t\t");
+	for (cnt = 0; cnt < 10; cnt++) {
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos, " %u",
+			      data->nrg_value[cnt]);
+	}
+	pos += scnprintf(buf + pos, bufsz - pos, "\n");
+	pos += scnprintf(buf + pos, bufsz - pos, "nrg_silence_rssi:\t\t");
+	for (cnt = 0; cnt < NRG_NUM_PREV_STAT_L; cnt++) {
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos, " %u",
+			      data->nrg_silence_rssi[cnt]);
+	}
+	pos += scnprintf(buf + pos, bufsz - pos, "\n");
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "nrg_silence_ref:\t\t %u\n",
+		      data->nrg_silence_ref);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "nrg_energy_idx:\t\t\t %u\n",
+		      data->nrg_energy_idx);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "nrg_silence_idx:\t\t %u\n",
+		      data->nrg_silence_idx);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "nrg_th_cck:\t\t\t %u\n",
+		      data->nrg_th_cck);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos,
+		      "nrg_auto_corr_silence_diff:\t %u\n",
+		      data->nrg_auto_corr_silence_diff);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "num_in_cck_no_fa:\t\t %u\n",
+		      data->num_in_cck_no_fa);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "nrg_th_ofdm:\t\t\t %u\n",
+		      data->nrg_th_ofdm);
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	kfree(buf);
+	return ret;
+}
+
+static ssize_t
+il_dbgfs_chain_noise_read(struct file *file, char __user *user_buf,
+			  size_t count, loff_t *ppos)
+{
+
+	struct il_priv *il = file->private_data;
+	int pos = 0;
+	int cnt = 0;
+	char *buf;
+	int bufsz = sizeof(struct il_chain_noise_data) * 4 + 100;
+	ssize_t ret;
+	struct il_chain_noise_data *data;
+
+	data = &il->chain_noise_data;
+	buf = kzalloc(bufsz, GFP_KERNEL);
+	if (!buf) {
+		IL_ERR("Can not allocate Buffer\n");
+		return -ENOMEM;
+	}
+
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "active_chains:\t\t\t %u\n",
+		      data->active_chains);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "chain_noise_a:\t\t\t %u\n",
+		      data->chain_noise_a);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "chain_noise_b:\t\t\t %u\n",
+		      data->chain_noise_b);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "chain_noise_c:\t\t\t %u\n",
+		      data->chain_noise_c);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "chain_signal_a:\t\t\t %u\n",
+		      data->chain_signal_a);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "chain_signal_b:\t\t\t %u\n",
+		      data->chain_signal_b);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "chain_signal_c:\t\t\t %u\n",
+		      data->chain_signal_c);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "beacon_count:\t\t\t %u\n",
+		      data->beacon_count);
+
+	pos += scnprintf(buf + pos, bufsz - pos, "disconn_array:\t\t\t");
+	for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos, " %u",
+			      data->disconn_array[cnt]);
+	}
+	pos += scnprintf(buf + pos, bufsz - pos, "\n");
+	pos += scnprintf(buf + pos, bufsz - pos, "delta_gain_code:\t\t");
+	for (cnt = 0; cnt < NUM_RX_CHAINS; cnt++) {
+		pos +=
+		    scnprintf(buf + pos, bufsz - pos, " %u",
+			      data->delta_gain_code[cnt]);
+	}
+	pos += scnprintf(buf + pos, bufsz - pos, "\n");
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "radio_write:\t\t\t %u\n",
+		      data->radio_write);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "state:\t\t\t\t %u\n",
+		      data->state);
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+	kfree(buf);
+	return ret;
+}
+
+static ssize_t
+il_dbgfs_power_save_status_read(struct file *file, char __user *user_buf,
+				size_t count, loff_t *ppos)
+{
+	struct il_priv *il = file->private_data;
+	char buf[60];
+	int pos = 0;
+	const size_t bufsz = sizeof(buf);
+	u32 pwrsave_status;
+
+	pwrsave_status =
+	    _il_rd(il, CSR_GP_CNTRL) & CSR_GP_REG_POWER_SAVE_STATUS_MSK;
+
+	pos += scnprintf(buf + pos, bufsz - pos, "Power Save Status: ");
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "%s\n",
+		      (pwrsave_status == CSR_GP_REG_NO_POWER_SAVE) ? "none" :
+		      (pwrsave_status == CSR_GP_REG_MAC_POWER_SAVE) ? "MAC" :
+		      (pwrsave_status == CSR_GP_REG_PHY_POWER_SAVE) ? "PHY" :
+		      "error");
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
+static ssize_t
+il_dbgfs_clear_ucode_stats_write(struct file *file,
+				 const char __user *user_buf, size_t count,
+				 loff_t *ppos)
+{
+	struct il_priv *il = file->private_data;
+	char buf[8];
+	int buf_size;
+	int clear;
+
+	memset(buf, 0, sizeof(buf));
+	buf_size = min(count, sizeof(buf) - 1);
+	if (copy_from_user(buf, user_buf, buf_size))
+		return -EFAULT;
+	if (sscanf(buf, "%d", &clear) != 1)
+		return -EFAULT;
+
+	/* make request to uCode to retrieve stats information */
+	mutex_lock(&il->mutex);
+	il_send_stats_request(il, CMD_SYNC, true);
+	mutex_unlock(&il->mutex);
+
+	return count;
+}
+
+static ssize_t
+il_dbgfs_rxon_flags_read(struct file *file, char __user *user_buf,
+			 size_t count, loff_t *ppos)
+{
+
+	struct il_priv *il = file->private_data;
+	int len = 0;
+	char buf[20];
+
+	len = sprintf(buf, "0x%04X\n", le32_to_cpu(il->active.flags));
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t
+il_dbgfs_rxon_filter_flags_read(struct file *file, char __user *user_buf,
+				size_t count, loff_t *ppos)
+{
+
+	struct il_priv *il = file->private_data;
+	int len = 0;
+	char buf[20];
+
+	len =
+	    sprintf(buf, "0x%04X\n", le32_to_cpu(il->active.filter_flags));
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t
+il_dbgfs_fh_reg_read(struct file *file, char __user *user_buf, size_t count,
+		     loff_t *ppos)
+{
+	struct il_priv *il = file->private_data;
+	char *buf;
+	int pos = 0;
+	ssize_t ret = -EFAULT;
+
+	if (il->ops->dump_fh) {
+		ret = pos = il->ops->dump_fh(il, &buf, true);
+		if (buf) {
+			ret =
+			    simple_read_from_buffer(user_buf, count, ppos, buf,
+						    pos);
+			kfree(buf);
+		}
+	}
+
+	return ret;
+}
+
+static ssize_t
+il_dbgfs_missed_beacon_read(struct file *file, char __user *user_buf,
+			    size_t count, loff_t *ppos)
+{
+
+	struct il_priv *il = file->private_data;
+	int pos = 0;
+	char buf[12];
+	const size_t bufsz = sizeof(buf);
+
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "%d\n",
+		      il->missed_beacon_threshold);
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
+static ssize_t
+il_dbgfs_missed_beacon_write(struct file *file, const char __user *user_buf,
+			     size_t count, loff_t *ppos)
+{
+	struct il_priv *il = file->private_data;
+	char buf[8];
+	int buf_size;
+	int missed;
+
+	memset(buf, 0, sizeof(buf));
+	buf_size = min(count, sizeof(buf) - 1);
+	if (copy_from_user(buf, user_buf, buf_size))
+		return -EFAULT;
+	if (sscanf(buf, "%d", &missed) != 1)
+		return -EINVAL;
+
+	if (missed < IL_MISSED_BEACON_THRESHOLD_MIN ||
+	    missed > IL_MISSED_BEACON_THRESHOLD_MAX)
+		il->missed_beacon_threshold = IL_MISSED_BEACON_THRESHOLD_DEF;
+	else
+		il->missed_beacon_threshold = missed;
+
+	return count;
+}
+
+static ssize_t
+il_dbgfs_force_reset_read(struct file *file, char __user *user_buf,
+			  size_t count, loff_t *ppos)
+{
+
+	struct il_priv *il = file->private_data;
+	int pos = 0;
+	char buf[300];
+	const size_t bufsz = sizeof(buf);
+	struct il_force_reset *force_reset;
+
+	force_reset = &il->force_reset;
+
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "\tnumber of reset request: %d\n",
+		      force_reset->reset_request_count);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos,
+		      "\tnumber of reset request success: %d\n",
+		      force_reset->reset_success_count);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos,
+		      "\tnumber of reset request reject: %d\n",
+		      force_reset->reset_reject_count);
+	pos +=
+	    scnprintf(buf + pos, bufsz - pos, "\treset duration: %lu\n",
+		      force_reset->reset_duration);
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
+static ssize_t
+il_dbgfs_force_reset_write(struct file *file, const char __user *user_buf,
+			   size_t count, loff_t *ppos)
+{
+
+	int ret;
+	struct il_priv *il = file->private_data;
+
+	ret = il_force_reset(il, true);
+
+	return ret ? ret : count;
+}
+
+static ssize_t
+il_dbgfs_wd_timeout_write(struct file *file, const char __user *user_buf,
+			  size_t count, loff_t *ppos)
+{
+
+	struct il_priv *il = file->private_data;
+	char buf[8];
+	int buf_size;
+	int timeout;
+
+	memset(buf, 0, sizeof(buf));
+	buf_size = min(count, sizeof(buf) - 1);
+	if (copy_from_user(buf, user_buf, buf_size))
+		return -EFAULT;
+	if (sscanf(buf, "%d", &timeout) != 1)
+		return -EINVAL;
+	if (timeout < 0 || timeout > IL_MAX_WD_TIMEOUT)
+		timeout = IL_DEF_WD_TIMEOUT;
+
+	il->cfg->wd_timeout = timeout;
+	il_setup_watchdog(il);
+	return count;
+}
+
+DEBUGFS_READ_FILE_OPS(rx_stats);
+DEBUGFS_READ_FILE_OPS(tx_stats);
+DEBUGFS_READ_FILE_OPS(rx_queue);
+DEBUGFS_READ_FILE_OPS(tx_queue);
+DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
+DEBUGFS_READ_FILE_OPS(ucode_tx_stats);
+DEBUGFS_READ_FILE_OPS(ucode_general_stats);
+DEBUGFS_READ_FILE_OPS(sensitivity);
+DEBUGFS_READ_FILE_OPS(chain_noise);
+DEBUGFS_READ_FILE_OPS(power_save_status);
+DEBUGFS_WRITE_FILE_OPS(clear_ucode_stats);
+DEBUGFS_WRITE_FILE_OPS(clear_traffic_stats);
+DEBUGFS_READ_FILE_OPS(fh_reg);
+DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
+DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
+DEBUGFS_READ_FILE_OPS(rxon_flags);
+DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
+DEBUGFS_WRITE_FILE_OPS(wd_timeout);
+
+/*
+ * Create the debugfs files and directories
+ *
+ */
+int
+il_dbgfs_register(struct il_priv *il, const char *name)
+{
+	struct dentry *phyd = il->hw->wiphy->debugfsdir;
+	struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
+
+	dir_drv = debugfs_create_dir(name, phyd);
+	if (!dir_drv)
+		return -ENOMEM;
+
+	il->debugfs_dir = dir_drv;
+
+	dir_data = debugfs_create_dir("data", dir_drv);
+	if (!dir_data)
+		goto err;
+	dir_rf = debugfs_create_dir("rf", dir_drv);
+	if (!dir_rf)
+		goto err;
+	dir_debug = debugfs_create_dir("debug", dir_drv);
+	if (!dir_debug)
+		goto err;
+
+	DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR);
+	DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR);
+	DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR);
+	DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR);
+	DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR);
+	DEBUGFS_ADD_FILE(interrupt, dir_data, S_IWUSR | S_IRUSR);
+	DEBUGFS_ADD_FILE(qos, dir_data, S_IRUSR);
+	DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
+	DEBUGFS_ADD_FILE(rx_stats, dir_debug, S_IRUSR);
+	DEBUGFS_ADD_FILE(tx_stats, dir_debug, S_IRUSR);
+	DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
+	DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
+	DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);
+	DEBUGFS_ADD_FILE(clear_ucode_stats, dir_debug, S_IWUSR);
+	DEBUGFS_ADD_FILE(clear_traffic_stats, dir_debug, S_IWUSR);
+	DEBUGFS_ADD_FILE(fh_reg, dir_debug, S_IRUSR);
+	DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
+	DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
+	DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
+	DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);
+	DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
+
+	if (il->cfg->sensitivity_calib_by_driver)
+		DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
+	if (il->cfg->chain_noise_calib_by_driver)
+		DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
+	DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
+	DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
+	DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
+	if (il->cfg->sensitivity_calib_by_driver)
+		DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
+				 &il->disable_sens_cal);
+	if (il->cfg->chain_noise_calib_by_driver)
+		DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
+				 &il->disable_chain_noise_cal);
+	DEBUGFS_ADD_BOOL(disable_tx_power, dir_rf, &il->disable_tx_power_cal);
+	return 0;
+
+err:
+	IL_ERR("Can't create the debugfs directory\n");
+	il_dbgfs_unregister(il);
+	return -ENOMEM;
+}
+EXPORT_SYMBOL(il_dbgfs_register);
+
+/**
+ * Remove the debugfs files and directories
+ *
+ */
+void
+il_dbgfs_unregister(struct il_priv *il)
+{
+	if (!il->debugfs_dir)
+		return;
+
+	debugfs_remove_recursive(il->debugfs_dir);
+	il->debugfs_dir = NULL;
+}
+EXPORT_SYMBOL(il_dbgfs_unregister);