iwlwifi: fix debugfs buffer handling
[linux-2.6.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c
index e38ec81..8c374bf 100644 (file)
@@ -38,7 +38,7 @@
 #include "iwl-debug.h"
 #include "iwl-core.h"
 #include "iwl-io.h"
-
+#include "iwl-calib.h"
 
 /* create and remove of files */
 #define DEBUGFS_ADD_DIR(name, parent) do {                              \
@@ -49,7 +49,8 @@
 
 #define DEBUGFS_ADD_FILE(name, parent) do {                             \
        dbgfs->dbgfs_##parent##_files.file_##name =                     \
-       debugfs_create_file(#name, 0644, dbgfs->dir_##parent, priv,     \
+       debugfs_create_file(#name, S_IWUSR | S_IRUSR,                   \
+                               dbgfs->dir_##parent, priv,              \
                                &iwl_dbgfs_##name##_ops);               \
        if (!(dbgfs->dbgfs_##parent##_files.file_##name))               \
                goto err;                                               \
@@ -57,7 +58,8 @@
 
 #define DEBUGFS_ADD_BOOL(name, parent, ptr) do {                        \
        dbgfs->dbgfs_##parent##_files.file_##name =                     \
-       debugfs_create_bool(#name, 0644, dbgfs->dir_##parent, ptr);     \
+       debugfs_create_bool(#name, S_IWUSR | S_IRUSR,                   \
+                           dbgfs->dir_##parent, ptr);                  \
        if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)           \
                        || !dbgfs->dbgfs_##parent##_files.file_##name)  \
                goto err;                                               \
@@ -65,7 +67,7 @@
 
 #define DEBUGFS_ADD_X32(name, parent, ptr) do {                        \
        dbgfs->dbgfs_##parent##_files.file_##name =                     \
-       debugfs_create_x32(#name, 0444, dbgfs->dir_##parent, ptr);     \
+       debugfs_create_x32(#name, S_IRUSR, dbgfs->dir_##parent, ptr);   \
        if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)           \
                        || !dbgfs->dbgfs_##parent##_files.file_##name)  \
                goto err;                                               \
@@ -124,18 +126,58 @@ static ssize_t iwl_dbgfs_tx_statistics_read(struct file *file,
                                                size_t count, loff_t *ppos) {
 
        struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
-       char buf[256];
+       char *buf;
        int pos = 0;
-       const size_t bufsz = sizeof(buf);
 
-       pos += scnprintf(buf + pos, bufsz - pos, "mgmt: %u\n",
-                                               priv->tx_stats[0].cnt);
-       pos += scnprintf(buf + pos, bufsz - pos, "ctrl: %u\n",
-                                               priv->tx_stats[1].cnt);
-       pos += scnprintf(buf + pos, bufsz - pos, "data: %u\n",
-                                               priv->tx_stats[2].cnt);
+       int cnt;
+       ssize_t ret;
+       const size_t bufsz = 100 + sizeof(char) * 24 * (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%s\t\t: %u\n",
+                                get_mgmt_string(cnt),
+                                priv->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%s\t\t: %u\n",
+                                get_ctrl_string(cnt),
+                                priv->tx_stats.ctrl[cnt]);
+       }
+       pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
+       pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
+                        priv->tx_stats.data_cnt);
+       pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
+                        priv->tx_stats.data_bytes);
+       ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+       kfree(buf);
+       return ret;
+}
 
-       return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+static ssize_t iwl_dbgfs_tx_statistics_write(struct file *file,
+                                       const char __user *user_buf,
+                                       size_t count, loff_t *ppos)
+{
+       struct iwl_priv *priv = 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;
+       if (clear_flag == 1)
+               iwl_clear_tx_stats(priv);
+
+       return count;
 }
 
 static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
@@ -143,18 +185,59 @@ static ssize_t iwl_dbgfs_rx_statistics_read(struct file *file,
                                                size_t count, loff_t *ppos) {
 
        struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
-       char buf[256];
+       char *buf;
        int pos = 0;
-       const size_t bufsz = sizeof(buf);
+       int cnt;
+       ssize_t ret;
+       const size_t bufsz = 100 +
+               sizeof(char) * 24 * (MANAGEMENT_MAX + CONTROL_MAX);
+       buf = kzalloc(bufsz, GFP_KERNEL);
+       if (!buf)
+               return -ENOMEM;
 
-       pos += scnprintf(buf + pos, bufsz - pos, "mgmt: %u\n",
-                                               priv->rx_stats[0].cnt);
-       pos += scnprintf(buf + pos, bufsz - pos, "ctrl: %u\n",
-                                               priv->rx_stats[1].cnt);
-       pos += scnprintf(buf + pos, bufsz - pos, "data: %u\n",
-                                               priv->rx_stats[2].cnt);
+       pos += scnprintf(buf + pos, bufsz - pos, "Management:\n");
+       for (cnt = 0; cnt < MANAGEMENT_MAX; cnt++) {
+               pos += scnprintf(buf + pos, bufsz - pos,
+                                "\t%s\t\t: %u\n",
+                                get_mgmt_string(cnt),
+                                priv->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%s\t\t: %u\n",
+                                get_ctrl_string(cnt),
+                                priv->rx_stats.ctrl[cnt]);
+       }
+       pos += scnprintf(buf + pos, bufsz - pos, "Data:\n");
+       pos += scnprintf(buf + pos, bufsz - pos, "\tcnt: %u\n",
+                        priv->rx_stats.data_cnt);
+       pos += scnprintf(buf + pos, bufsz - pos, "\tbytes: %llu\n",
+                        priv->rx_stats.data_bytes);
 
-       return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+       ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+       kfree(buf);
+       return ret;
+}
+
+static ssize_t iwl_dbgfs_rx_statistics_write(struct file *file,
+                                       const char __user *user_buf,
+                                       size_t count, loff_t *ppos)
+{
+       struct iwl_priv *priv = 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;
+       if (clear_flag == 1)
+               iwl_clear_rx_stats(priv);
+       return count;
 }
 
 #define BYTE1_MASK 0x000000ff;
@@ -308,18 +391,18 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file,
                return -ENODATA;
        }
 
+       ptr = priv->eeprom;
+       if (!ptr) {
+               IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
+               return -ENOMEM;
+       }
+
        /* 4 characters for byte 0xYY */
        buf = kzalloc(buf_size, GFP_KERNEL);
        if (!buf) {
                IWL_ERR(priv, "Can not allocate Buffer\n");
                return -ENOMEM;
        }
-
-       ptr = priv->eeprom;
-       if (!ptr) {
-               IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
-               return -ENOMEM;
-       }
        pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s\n",
                        (priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
                        ? "OTP" : "EEPROM");
@@ -327,7 +410,7 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file,
                pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs);
                hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos,
                                   buf_size - pos, 0);
-               pos += strlen(buf);
+               pos += strlen(buf + pos);
                if (buf_size - pos > 0)
                        buf[pos++] = '\n';
        }
@@ -589,16 +672,959 @@ static ssize_t iwl_dbgfs_qos_read(struct file *file, char __user *user_buf,
        return ret;
 }
 
+#ifdef CONFIG_IWLWIFI_LEDS
+static ssize_t iwl_dbgfs_led_read(struct file *file, char __user *user_buf,
+                                 size_t count, loff_t *ppos)
+{
+       struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+       int pos = 0;
+       char buf[256];
+       const size_t bufsz = sizeof(buf);
+       ssize_t ret;
+
+       pos += scnprintf(buf + pos, bufsz - pos,
+                        "allow blinking: %s\n",
+                        (priv->allow_blinking) ? "True" : "False");
+       if (priv->allow_blinking) {
+               pos += scnprintf(buf + pos, bufsz - pos,
+                                "Led blinking rate: %u\n",
+                                priv->last_blink_rate);
+               pos += scnprintf(buf + pos, bufsz - pos,
+                                "Last blink time: %lu\n",
+                                priv->last_blink_time);
+       }
+
+       ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+       return ret;
+}
+#endif
+
+static ssize_t iwl_dbgfs_thermal_throttling_read(struct file *file,
+                               char __user *user_buf,
+                               size_t count, loff_t *ppos)
+{
+       struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+       struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
+       struct iwl_tt_restriction *restriction;
+       char buf[100];
+       int pos = 0;
+       const size_t bufsz = sizeof(buf);
+       ssize_t ret;
+
+       pos += scnprintf(buf + pos, bufsz - pos,
+                       "Thermal Throttling Mode: %s\n",
+                       tt->advanced_tt ? "Advance" : "Legacy");
+       pos += scnprintf(buf + pos, bufsz - pos,
+                       "Thermal Throttling State: %d\n",
+                       tt->state);
+       if (tt->advanced_tt) {
+               restriction = tt->restriction + tt->state;
+               pos += scnprintf(buf + pos, bufsz - pos,
+                               "Tx mode: %d\n",
+                               restriction->tx_stream);
+               pos += scnprintf(buf + pos, bufsz - pos,
+                               "Rx mode: %d\n",
+                               restriction->rx_stream);
+               pos += scnprintf(buf + pos, bufsz - pos,
+                               "HT mode: %d\n",
+                               restriction->is_ht);
+       }
+       ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+       return ret;
+}
+
+static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file,
+                                        const char __user *user_buf,
+                                        size_t count, loff_t *ppos)
+{
+       struct iwl_priv *priv = 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 (!iwl_is_associated(priv))
+               priv->disable_ht40 = ht40 ? true : false;
+       else {
+               IWL_ERR(priv, "Sta associated with AP - "
+                       "Change to 40MHz channel support is not allowed\n");
+               return -EINVAL;
+       }
+
+       return count;
+}
+
+static ssize_t iwl_dbgfs_disable_ht40_read(struct file *file,
+                                        char __user *user_buf,
+                                        size_t count, loff_t *ppos)
+{
+       struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+       char buf[100];
+       int pos = 0;
+       const size_t bufsz = sizeof(buf);
+       ssize_t ret;
+
+       pos += scnprintf(buf + pos, bufsz - pos,
+                       "11n 40MHz Mode: %s\n",
+                       priv->disable_ht40 ? "Disabled" : "Enabled");
+       ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+       return ret;
+}
+
+static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file,
+                                                   const char __user *user_buf,
+                                                   size_t count, loff_t *ppos)
+{
+       struct iwl_priv *priv = file->private_data;
+       char buf[8];
+       int buf_size;
+       int value;
+
+       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", &value) != 1)
+               return -EINVAL;
+
+       /*
+        * Our users expect 0 to be "CAM", but 0 isn't actually
+        * valid here. However, let's not confuse them and present
+        * IWL_POWER_INDEX_1 as "1", not "0".
+        */
+       if (value > 0)
+               value -= 1;
+
+       if (value != -1 && (value < 0 || value >= IWL_POWER_NUM))
+               return -EINVAL;
+
+       priv->power_data.debug_sleep_level_override = value;
+
+       iwl_power_update_mode(priv, false);
+
+       return count;
+}
+
+static ssize_t iwl_dbgfs_sleep_level_override_read(struct file *file,
+                                                  char __user *user_buf,
+                                                  size_t count, loff_t *ppos)
+{
+       struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+       char buf[10];
+       int pos, value;
+       const size_t bufsz = sizeof(buf);
+
+       /* see the write function */
+       value = priv->power_data.debug_sleep_level_override;
+       if (value >= 0)
+               value += 1;
+
+       pos = scnprintf(buf, bufsz, "%d\n", value);
+       return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
+static ssize_t iwl_dbgfs_current_sleep_command_read(struct file *file,
+                                                   char __user *user_buf,
+                                                   size_t count, loff_t *ppos)
+{
+       struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+       char buf[200];
+       int pos = 0, i;
+       const size_t bufsz = sizeof(buf);
+       struct iwl_powertable_cmd *cmd = &priv->power_data.sleep_cmd;
+
+       pos += scnprintf(buf + pos, bufsz - pos,
+                        "flags: %#.2x\n", le16_to_cpu(cmd->flags));
+       pos += scnprintf(buf + pos, bufsz - pos,
+                        "RX/TX timeout: %d/%d usec\n",
+                        le32_to_cpu(cmd->rx_data_timeout),
+                        le32_to_cpu(cmd->tx_data_timeout));
+       for (i = 0; i < IWL_POWER_VEC_SIZE; i++)
+               pos += scnprintf(buf + pos, bufsz - pos,
+                                "sleep_interval[%d]: %d\n", i,
+                                le32_to_cpu(cmd->sleep_interval[i]));
+
+       return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
 DEBUGFS_READ_WRITE_FILE_OPS(sram);
 DEBUGFS_WRITE_FILE_OPS(log_event);
 DEBUGFS_READ_FILE_OPS(nvm);
 DEBUGFS_READ_FILE_OPS(stations);
-DEBUGFS_READ_FILE_OPS(rx_statistics);
-DEBUGFS_READ_FILE_OPS(tx_statistics);
 DEBUGFS_READ_FILE_OPS(channels);
 DEBUGFS_READ_FILE_OPS(status);
 DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
 DEBUGFS_READ_FILE_OPS(qos);
+#ifdef CONFIG_IWLWIFI_LEDS
+DEBUGFS_READ_FILE_OPS(led);
+#endif
+DEBUGFS_READ_FILE_OPS(thermal_throttling);
+DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
+DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override);
+DEBUGFS_READ_FILE_OPS(current_sleep_command);
+
+static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
+                                        char __user *user_buf,
+                                        size_t count, loff_t *ppos)
+{
+       struct iwl_priv *priv = file->private_data;
+       int pos = 0, ofs = 0;
+       int cnt = 0, entry;
+       struct iwl_tx_queue *txq;
+       struct iwl_queue *q;
+       struct iwl_rx_queue *rxq = &priv->rxq;
+       char *buf;
+       int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
+               (IWL_MAX_NUM_QUEUES * 32 * 8) + 400;
+       const u8 *ptr;
+       ssize_t ret;
+
+       buf = kzalloc(bufsz, GFP_KERNEL);
+       if (!buf) {
+               IWL_ERR(priv, "Can not allocate buffer\n");
+               return -ENOMEM;
+       }
+       pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
+       for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
+               txq = &priv->txq[cnt];
+               q = &txq->q;
+               pos += scnprintf(buf + pos, bufsz - pos,
+                               "q[%d]: read_ptr: %u, write_ptr: %u\n",
+                               cnt, q->read_ptr, q->write_ptr);
+       }
+       if (priv->tx_traffic && (iwl_debug_level & IWL_DL_TX)) {
+               ptr = priv->tx_traffic;
+               pos += scnprintf(buf + pos, bufsz - pos,
+                               "Tx Traffic idx: %u\n", priv->tx_traffic_idx);
+               for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
+                       for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
+                            entry++,  ofs += 16) {
+                               pos += scnprintf(buf + pos, bufsz - pos,
+                                               "0x%.4x ", ofs);
+                               hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
+                                                  buf + pos, bufsz - pos, 0);
+                               pos += strlen(buf + pos);
+                               if (bufsz - pos > 0)
+                                       buf[pos++] = '\n';
+                       }
+               }
+       }
+
+       pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
+       pos += scnprintf(buf + pos, bufsz - pos,
+                       "read: %u, write: %u\n",
+                        rxq->read, rxq->write);
+
+       if (priv->rx_traffic && (iwl_debug_level & IWL_DL_RX)) {
+               ptr = priv->rx_traffic;
+               pos += scnprintf(buf + pos, bufsz - pos,
+                               "Rx Traffic idx: %u\n", priv->rx_traffic_idx);
+               for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
+                       for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
+                            entry++,  ofs += 16) {
+                               pos += scnprintf(buf + pos, bufsz - pos,
+                                               "0x%.4x ", ofs);
+                               hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
+                                                  buf + pos, bufsz - pos, 0);
+                               pos += strlen(buf + pos);
+                               if (bufsz - pos > 0)
+                                       buf[pos++] = '\n';
+                       }
+               }
+       }
+
+       ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+       kfree(buf);
+       return ret;
+}
+
+static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
+                                        const char __user *user_buf,
+                                        size_t count, loff_t *ppos)
+{
+       struct iwl_priv *priv = file->private_data;
+       char buf[8];
+       int buf_size;
+       int traffic_log;
+
+       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", &traffic_log) != 1)
+               return -EFAULT;
+       if (traffic_log == 0)
+               iwl_reset_traffic_log(priv);
+
+       return count;
+}
+
+static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
+                                               char __user *user_buf,
+                                               size_t count, loff_t *ppos) {
+
+       struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+       struct iwl_tx_queue *txq;
+       struct iwl_queue *q;
+       char *buf;
+       int pos = 0;
+       int cnt;
+       int ret;
+       const size_t bufsz = sizeof(char) * 60 * IWL_MAX_NUM_QUEUES;
+
+       buf = kzalloc(bufsz, GFP_KERNEL);
+       if (!buf)
+               return -ENOMEM;
+
+       for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
+               txq = &priv->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, priv->queue_stopped),
+                               txq->swq_id,
+                               txq->swq_id & 0x80 ? txq->swq_id & 3 :
+                               txq->swq_id,
+                               txq->swq_id & 0x80 ? (txq->swq_id >> 2) &
+                               0x1f : txq->swq_id);
+               if (cnt >= 4)
+                       continue;
+               /* for the ACs, display the stop count too */
+               pos += scnprintf(buf + pos, bufsz - pos,
+                               "        stop-count: %d\n",
+                               atomic_read(&priv->queue_stop_count[cnt]));
+       }
+       ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+       kfree(buf);
+       return ret;
+}
+
+static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
+                                               char __user *user_buf,
+                                               size_t count, loff_t *ppos) {
+
+       struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+       struct iwl_rx_queue *rxq = &priv->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);
+       pos += scnprintf(buf + pos, bufsz - pos, "closed_rb_num: %u\n",
+                        le16_to_cpu(rxq->rb_stts->closed_rb_num) &  0x0FFF);
+       return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
+#define UCODE_STATISTICS_CLEAR_MSK             (0x1 << 0)
+#define UCODE_STATISTICS_FREQUENCY_MSK         (0x1 << 1)
+#define UCODE_STATISTICS_NARROW_BAND_MSK       (0x1 << 2)
+
+static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
+                                    int bufsz)
+{
+       int p = 0;
+
+       p += scnprintf(buf + p, bufsz - p,
+               "Statistics Flag(0x%X):\n",
+               le32_to_cpu(priv->statistics.flag));
+       if (le32_to_cpu(priv->statistics.flag) & UCODE_STATISTICS_CLEAR_MSK)
+               p += scnprintf(buf + p, bufsz - p,
+               "\tStatistics have been cleared\n");
+       p += scnprintf(buf + p, bufsz - p,
+               "\tOperational Frequency: %s\n",
+               (le32_to_cpu(priv->statistics.flag) &
+               UCODE_STATISTICS_FREQUENCY_MSK)
+                ? "2.4 GHz" : "5.2 GHz");
+       p += scnprintf(buf + p, bufsz - p,
+               "\tTGj Narrow Band: %s\n",
+               (le32_to_cpu(priv->statistics.flag) &
+               UCODE_STATISTICS_NARROW_BAND_MSK)
+                ? "enabled" : "disabled");
+       return p;
+}
+
+
+static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
+                                       char __user *user_buf,
+                                       size_t count, loff_t *ppos)
+{
+       struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+       int pos = 0;
+       char *buf;
+       int bufsz = sizeof(struct statistics_rx_phy) * 20 +
+               sizeof(struct statistics_rx_non_phy) * 20 +
+               sizeof(struct statistics_rx_ht_phy) * 20 + 400;
+       ssize_t ret;
+       struct statistics_rx_phy *ofdm;
+       struct statistics_rx_phy *cck;
+       struct statistics_rx_non_phy *general;
+       struct statistics_rx_ht_phy *ht;
+
+       if (!iwl_is_alive(priv))
+               return -EAGAIN;
+
+       /* make request to uCode to retrieve statistics information */
+       mutex_lock(&priv->mutex);
+       ret = iwl_send_statistics_request(priv, 0);
+       mutex_unlock(&priv->mutex);
+
+       if (ret) {
+               IWL_ERR(priv,
+                       "Error sending statistics request: %zd\n", ret);
+               return -EAGAIN;
+       }
+       buf = kzalloc(bufsz, GFP_KERNEL);
+       if (!buf) {
+               IWL_ERR(priv, "Can not allocate Buffer\n");
+               return -ENOMEM;
+       }
+
+       /* the statistic information display here is based on
+        * the last statistics notification from uCode
+        * might not reflect the current uCode activity
+        */
+       ofdm = &priv->statistics.rx.ofdm;
+       cck = &priv->statistics.rx.cck;
+       general = &priv->statistics.rx.general;
+       ht = &priv->statistics.rx.ofdm_ht;
+       pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
+       pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM:\n");
+       pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt: %u\n",
+                        le32_to_cpu(ofdm->ina_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt: %u\n",
+                        le32_to_cpu(ofdm->fina_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
+                        le32_to_cpu(ofdm->plcp_err));
+       pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
+                        le32_to_cpu(ofdm->crc32_err));
+       pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
+                        le32_to_cpu(ofdm->overrun_err));
+       pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
+                        le32_to_cpu(ofdm->early_overrun_err));
+       pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
+                        le32_to_cpu(ofdm->crc32_good));
+       pos += scnprintf(buf + pos, bufsz - pos, "false_alarm_cnt: %u\n",
+                        le32_to_cpu(ofdm->false_alarm_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "fina_sync_err_cnt: %u\n",
+                        le32_to_cpu(ofdm->fina_sync_err_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "sfd_timeout: %u\n",
+                        le32_to_cpu(ofdm->sfd_timeout));
+       pos += scnprintf(buf + pos, bufsz - pos, "fina_timeout: %u\n",
+                        le32_to_cpu(ofdm->fina_timeout));
+       pos += scnprintf(buf + pos, bufsz - pos, "unresponded_rts: %u\n",
+                        le32_to_cpu(ofdm->unresponded_rts));
+       pos += scnprintf(buf + pos, bufsz - pos,
+                       "rxe_frame_limit_overrun: %u\n",
+                       le32_to_cpu(ofdm->rxe_frame_limit_overrun));
+       pos += scnprintf(buf + pos, bufsz - pos, "sent_ack_cnt: %u\n",
+                        le32_to_cpu(ofdm->sent_ack_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "sent_cts_cnt: %u\n",
+                        le32_to_cpu(ofdm->sent_cts_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "sent_ba_rsp_cnt: %u\n",
+                        le32_to_cpu(ofdm->sent_ba_rsp_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "dsp_self_kill: %u\n",
+                        le32_to_cpu(ofdm->dsp_self_kill));
+       pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
+                        le32_to_cpu(ofdm->mh_format_err));
+       pos += scnprintf(buf + pos, bufsz - pos, "re_acq_main_rssi_sum: %u\n",
+                        le32_to_cpu(ofdm->re_acq_main_rssi_sum));
+
+       pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - CCK:\n");
+       pos += scnprintf(buf + pos, bufsz - pos, "ina_cnt: %u\n",
+                        le32_to_cpu(cck->ina_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "fina_cnt: %u\n",
+                        le32_to_cpu(cck->fina_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
+                        le32_to_cpu(cck->plcp_err));
+       pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
+                        le32_to_cpu(cck->crc32_err));
+       pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
+                        le32_to_cpu(cck->overrun_err));
+       pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
+                        le32_to_cpu(cck->early_overrun_err));
+       pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
+                        le32_to_cpu(cck->crc32_good));
+       pos += scnprintf(buf + pos, bufsz - pos, "false_alarm_cnt: %u\n",
+                        le32_to_cpu(cck->false_alarm_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "fina_sync_err_cnt: %u\n",
+                        le32_to_cpu(cck->fina_sync_err_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "sfd_timeout: %u\n",
+                        le32_to_cpu(cck->sfd_timeout));
+       pos += scnprintf(buf + pos, bufsz - pos, "fina_timeout: %u\n",
+                        le32_to_cpu(cck->fina_timeout));
+       pos += scnprintf(buf + pos, bufsz - pos, "unresponded_rts: %u\n",
+                        le32_to_cpu(cck->unresponded_rts));
+       pos += scnprintf(buf + pos, bufsz - pos,
+                       "rxe_frame_limit_overrun: %u\n",
+                       le32_to_cpu(cck->rxe_frame_limit_overrun));
+       pos += scnprintf(buf + pos, bufsz - pos, "sent_ack_cnt: %u\n",
+                        le32_to_cpu(cck->sent_ack_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "sent_cts_cnt: %u\n",
+                        le32_to_cpu(cck->sent_cts_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "sent_ba_rsp_cnt: %u\n",
+                        le32_to_cpu(cck->sent_ba_rsp_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "dsp_self_kill: %u\n",
+                        le32_to_cpu(cck->dsp_self_kill));
+       pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
+                        le32_to_cpu(cck->mh_format_err));
+       pos += scnprintf(buf + pos, bufsz - pos, "re_acq_main_rssi_sum: %u\n",
+                        le32_to_cpu(cck->re_acq_main_rssi_sum));
+
+       pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - GENERAL:\n");
+       pos += scnprintf(buf + pos, bufsz - pos, "bogus_cts: %u\n",
+                        le32_to_cpu(general->bogus_cts));
+       pos += scnprintf(buf + pos, bufsz - pos, "bogus_ack: %u\n",
+                        le32_to_cpu(general->bogus_ack));
+       pos += scnprintf(buf + pos, bufsz - pos, "non_bssid_frames: %u\n",
+                        le32_to_cpu(general->non_bssid_frames));
+       pos += scnprintf(buf + pos, bufsz - pos, "filtered_frames: %u\n",
+                        le32_to_cpu(general->filtered_frames));
+       pos += scnprintf(buf + pos, bufsz - pos, "non_channel_beacons: %u\n",
+                        le32_to_cpu(general->non_channel_beacons));
+       pos += scnprintf(buf + pos, bufsz - pos, "channel_beacons: %u\n",
+                        le32_to_cpu(general->channel_beacons));
+       pos += scnprintf(buf + pos, bufsz - pos, "num_missed_bcon: %u\n",
+                        le32_to_cpu(general->num_missed_bcon));
+       pos += scnprintf(buf + pos, bufsz - pos,
+                       "adc_rx_saturation_time: %u\n",
+                       le32_to_cpu(general->adc_rx_saturation_time));
+       pos += scnprintf(buf + pos, bufsz - pos,
+                       "ina_detection_search_time: %u\n",
+                       le32_to_cpu(general->ina_detection_search_time));
+       pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_a: %u\n",
+                        le32_to_cpu(general->beacon_silence_rssi_a));
+       pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_b: %u\n",
+                        le32_to_cpu(general->beacon_silence_rssi_b));
+       pos += scnprintf(buf + pos, bufsz - pos, "beacon_silence_rssi_c: %u\n",
+                        le32_to_cpu(general->beacon_silence_rssi_c));
+       pos += scnprintf(buf + pos, bufsz - pos,
+                       "interference_data_flag: %u\n",
+                       le32_to_cpu(general->interference_data_flag));
+       pos += scnprintf(buf + pos, bufsz - pos, "channel_load: %u\n",
+                        le32_to_cpu(general->channel_load));
+       pos += scnprintf(buf + pos, bufsz - pos, "dsp_false_alarms: %u\n",
+                        le32_to_cpu(general->dsp_false_alarms));
+       pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_a: %u\n",
+                        le32_to_cpu(general->beacon_rssi_a));
+       pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_b: %u\n",
+                        le32_to_cpu(general->beacon_rssi_b));
+       pos += scnprintf(buf + pos, bufsz - pos, "beacon_rssi_c: %u\n",
+                        le32_to_cpu(general->beacon_rssi_c));
+       pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_a: %u\n",
+                        le32_to_cpu(general->beacon_energy_a));
+       pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_b: %u\n",
+                        le32_to_cpu(general->beacon_energy_b));
+       pos += scnprintf(buf + pos, bufsz - pos, "beacon_energy_c: %u\n",
+                        le32_to_cpu(general->beacon_energy_c));
+
+       pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Rx - OFDM_HT:\n");
+       pos += scnprintf(buf + pos, bufsz - pos, "plcp_err: %u\n",
+                        le32_to_cpu(ht->plcp_err));
+       pos += scnprintf(buf + pos, bufsz - pos, "overrun_err: %u\n",
+                        le32_to_cpu(ht->overrun_err));
+       pos += scnprintf(buf + pos, bufsz - pos, "early_overrun_err: %u\n",
+                        le32_to_cpu(ht->early_overrun_err));
+       pos += scnprintf(buf + pos, bufsz - pos, "crc32_good: %u\n",
+                        le32_to_cpu(ht->crc32_good));
+       pos += scnprintf(buf + pos, bufsz - pos, "crc32_err: %u\n",
+                        le32_to_cpu(ht->crc32_err));
+       pos += scnprintf(buf + pos, bufsz - pos, "mh_format_err: %u\n",
+                        le32_to_cpu(ht->mh_format_err));
+       pos += scnprintf(buf + pos, bufsz - pos, "agg_crc32_good: %u\n",
+                        le32_to_cpu(ht->agg_crc32_good));
+       pos += scnprintf(buf + pos, bufsz - pos, "agg_mpdu_cnt: %u\n",
+                        le32_to_cpu(ht->agg_mpdu_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "agg_cnt: %u\n",
+                        le32_to_cpu(ht->agg_cnt));
+
+       ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+       kfree(buf);
+       return ret;
+}
+
+static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
+                                       char __user *user_buf,
+                                       size_t count, loff_t *ppos)
+{
+       struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+       int pos = 0;
+       char *buf;
+       int bufsz = (sizeof(struct statistics_tx) * 24) + 250;
+       ssize_t ret;
+       struct statistics_tx *tx;
+
+       if (!iwl_is_alive(priv))
+               return -EAGAIN;
+
+       /* make request to uCode to retrieve statistics information */
+       mutex_lock(&priv->mutex);
+       ret = iwl_send_statistics_request(priv, 0);
+       mutex_unlock(&priv->mutex);
+
+       if (ret) {
+               IWL_ERR(priv,
+                       "Error sending statistics request: %zd\n", ret);
+               return -EAGAIN;
+       }
+       buf = kzalloc(bufsz, GFP_KERNEL);
+       if (!buf) {
+               IWL_ERR(priv, "Can not allocate Buffer\n");
+               return -ENOMEM;
+       }
+
+       /* the statistic information display here is based on
+        * the last statistics notification from uCode
+        * might not reflect the current uCode activity
+        */
+       tx = &priv->statistics.tx;
+       pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
+       pos += scnprintf(buf + pos, bufsz - pos, "Statistics_Tx:\n");
+       pos += scnprintf(buf + pos, bufsz - pos, "preamble: %u\n",
+                        le32_to_cpu(tx->preamble_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "rx_detected_cnt: %u\n",
+                        le32_to_cpu(tx->rx_detected_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "bt_prio_defer_cnt: %u\n",
+                        le32_to_cpu(tx->bt_prio_defer_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "bt_prio_kill_cnt: %u\n",
+                        le32_to_cpu(tx->bt_prio_kill_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "few_bytes_cnt: %u\n",
+                        le32_to_cpu(tx->few_bytes_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "cts_timeout: %u\n",
+                        le32_to_cpu(tx->cts_timeout));
+       pos += scnprintf(buf + pos, bufsz - pos, "ack_timeout: %u\n",
+                        le32_to_cpu(tx->ack_timeout));
+       pos += scnprintf(buf + pos, bufsz - pos, "expected_ack_cnt: %u\n",
+                        le32_to_cpu(tx->expected_ack_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "actual_ack_cnt: %u\n",
+                        le32_to_cpu(tx->actual_ack_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "dump_msdu_cnt: %u\n",
+                        le32_to_cpu(tx->dump_msdu_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos,
+                       "burst_abort_next_frame_mismatch_cnt: %u\n",
+                       le32_to_cpu(tx->burst_abort_next_frame_mismatch_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos,
+                       "burst_abort_missing_next_frame_cnt: %u\n",
+                       le32_to_cpu(tx->burst_abort_missing_next_frame_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "cts_timeout_collision: %u\n",
+                        le32_to_cpu(tx->cts_timeout_collision));
+       pos += scnprintf(buf + pos, bufsz - pos,
+                       "ack_or_ba_timeout_collision: %u\n",
+                       le32_to_cpu(tx->ack_or_ba_timeout_collision));
+       pos += scnprintf(buf + pos, bufsz - pos, "agg ba_timeout: %u\n",
+                        le32_to_cpu(tx->agg.ba_timeout));
+       pos += scnprintf(buf + pos, bufsz - pos,
+                       "agg ba_reschedule_frames: %u\n",
+                       le32_to_cpu(tx->agg.ba_reschedule_frames));
+       pos += scnprintf(buf + pos, bufsz - pos,
+                       "agg scd_query_agg_frame_cnt: %u\n",
+                       le32_to_cpu(tx->agg.scd_query_agg_frame_cnt));
+       pos += scnprintf(buf + pos, bufsz - pos, "agg scd_query_no_agg: %u\n",
+                        le32_to_cpu(tx->agg.scd_query_no_agg));
+       pos += scnprintf(buf + pos, bufsz - pos, "agg scd_query_agg: %u\n",
+                        le32_to_cpu(tx->agg.scd_query_agg));
+       pos += scnprintf(buf + pos, bufsz - pos,
+                       "agg scd_query_mismatch: %u\n",
+                       le32_to_cpu(tx->agg.scd_query_mismatch));
+       pos += scnprintf(buf + pos, bufsz - pos, "agg frame_not_ready: %u\n",
+                        le32_to_cpu(tx->agg.frame_not_ready));
+       pos += scnprintf(buf + pos, bufsz - pos, "agg underrun: %u\n",
+                        le32_to_cpu(tx->agg.underrun));
+       pos += scnprintf(buf + pos, bufsz - pos, "agg bt_prio_kill: %u\n",
+                        le32_to_cpu(tx->agg.bt_prio_kill));
+       pos += scnprintf(buf + pos, bufsz - pos, "agg rx_ba_rsp_cnt: %u\n",
+                        le32_to_cpu(tx->agg.rx_ba_rsp_cnt));
+
+       ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+       kfree(buf);
+       return ret;
+}
+
+static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
+                                       char __user *user_buf,
+                                       size_t count, loff_t *ppos)
+{
+       struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+       int pos = 0;
+       char *buf;
+       int bufsz = sizeof(struct statistics_general) * 4 + 250;
+       ssize_t ret;
+       struct statistics_general *general;
+       struct statistics_dbg *dbg;
+       struct statistics_div *div;
+
+       if (!iwl_is_alive(priv))
+               return -EAGAIN;
+
+       /* make request to uCode to retrieve statistics information */
+       mutex_lock(&priv->mutex);
+       ret = iwl_send_statistics_request(priv, 0);
+       mutex_unlock(&priv->mutex);
+
+       if (ret) {
+               IWL_ERR(priv,
+                       "Error sending statistics request: %zd\n", ret);
+               return -EAGAIN;
+       }
+       buf = kzalloc(bufsz, GFP_KERNEL);
+       if (!buf) {
+               IWL_ERR(priv, "Can not allocate Buffer\n");
+               return -ENOMEM;
+       }
+
+       /* the statistic information display here is based on
+        * the last statistics notification from uCode
+        * might not reflect the current uCode activity
+        */
+       general = &priv->statistics.general;
+       dbg = &priv->statistics.general.dbg;
+       div = &priv->statistics.general.div;
+       pos += iwl_dbgfs_statistics_flag(priv, buf, bufsz);
+       pos += scnprintf(buf + pos, bufsz - pos, "Statistics_General:\n");
+       pos += scnprintf(buf + pos, bufsz - pos, "temperature: %u\n",
+                        le32_to_cpu(general->temperature));
+       pos += scnprintf(buf + pos, bufsz - pos, "temperature_m: %u\n",
+                        le32_to_cpu(general->temperature_m));
+       pos += scnprintf(buf + pos, bufsz - pos, "burst_check: %u\n",
+                        le32_to_cpu(dbg->burst_check));
+       pos += scnprintf(buf + pos, bufsz - pos, "burst_count: %u\n",
+                        le32_to_cpu(dbg->burst_count));
+       pos += scnprintf(buf + pos, bufsz - pos, "sleep_time: %u\n",
+                        le32_to_cpu(general->sleep_time));
+       pos += scnprintf(buf + pos, bufsz - pos, "slots_out: %u\n",
+                        le32_to_cpu(general->slots_out));
+       pos += scnprintf(buf + pos, bufsz - pos, "slots_idle: %u\n",
+                        le32_to_cpu(general->slots_idle));
+       pos += scnprintf(buf + pos, bufsz - pos, "ttl_timestamp: %u\n",
+                        le32_to_cpu(general->ttl_timestamp));
+       pos += scnprintf(buf + pos, bufsz - pos, "tx_on_a: %u\n",
+                        le32_to_cpu(div->tx_on_a));
+       pos += scnprintf(buf + pos, bufsz - pos, "tx_on_b: %u\n",
+                        le32_to_cpu(div->tx_on_b));
+       pos += scnprintf(buf + pos, bufsz - pos, "exec_time: %u\n",
+                        le32_to_cpu(div->exec_time));
+       pos += scnprintf(buf + pos, bufsz - pos, "probe_time: %u\n",
+                        le32_to_cpu(div->probe_time));
+       pos += scnprintf(buf + pos, bufsz - pos, "rx_enable_counter: %u\n",
+                        le32_to_cpu(general->rx_enable_counter));
+       ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+       kfree(buf);
+       return ret;
+}
+
+static ssize_t iwl_dbgfs_sensitivity_read(struct file *file,
+                                       char __user *user_buf,
+                                       size_t count, loff_t *ppos) {
+
+       struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+       int pos = 0;
+       int cnt = 0;
+       char *buf;
+       int bufsz = sizeof(struct iwl_sensitivity_data) * 4 + 100;
+       ssize_t ret;
+       struct iwl_sensitivity_data *data;
+
+       data = &priv->sensitivity_data;
+       buf = kzalloc(bufsz, GFP_KERNEL);
+       if (!buf) {
+               IWL_ERR(priv, "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 iwl_dbgfs_chain_noise_read(struct file *file,
+                                       char __user *user_buf,
+                                       size_t count, loff_t *ppos) {
+
+       struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+       int pos = 0;
+       int cnt = 0;
+       char *buf;
+       int bufsz = sizeof(struct iwl_chain_noise_data) * 4 + 100;
+       ssize_t ret;
+       struct iwl_chain_noise_data *data;
+
+       data = &priv->chain_noise_data;
+       buf = kzalloc(bufsz, GFP_KERNEL);
+       if (!buf) {
+               IWL_ERR(priv, "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 iwl_dbgfs_tx_power_read(struct file *file,
+                                       char __user *user_buf,
+                                       size_t count, loff_t *ppos) {
+
+       struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+       char buf[128];
+       int pos = 0;
+       ssize_t ret;
+       const size_t bufsz = sizeof(buf);
+       struct statistics_tx *tx;
+
+       if (!iwl_is_alive(priv))
+               pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
+       else {
+               /* make request to uCode to retrieve statistics information */
+               mutex_lock(&priv->mutex);
+               ret = iwl_send_statistics_request(priv, 0);
+               mutex_unlock(&priv->mutex);
+
+               if (ret) {
+                       IWL_ERR(priv, "Error sending statistics request: %zd\n",
+                               ret);
+                       return -EAGAIN;
+               }
+               tx = &priv->statistics.tx;
+               if (tx->tx_power.ant_a ||
+                   tx->tx_power.ant_b ||
+                   tx->tx_power.ant_c) {
+                       pos += scnprintf(buf + pos, bufsz - pos,
+                               "tx power: (1/2 dB step)\n");
+                       if ((priv->cfg->valid_tx_ant & ANT_A) &&
+                           tx->tx_power.ant_a)
+                               pos += scnprintf(buf + pos, bufsz - pos,
+                                               "\tantenna A: 0x%X\n",
+                                               tx->tx_power.ant_a);
+                       if ((priv->cfg->valid_tx_ant & ANT_B) &&
+                           tx->tx_power.ant_b)
+                               pos += scnprintf(buf + pos, bufsz - pos,
+                                               "\tantenna B: 0x%X\n",
+                                               tx->tx_power.ant_b);
+                       if ((priv->cfg->valid_tx_ant & ANT_C) &&
+                           tx->tx_power.ant_c)
+                               pos += scnprintf(buf + pos, bufsz - pos,
+                                               "\tantenna C: 0x%X\n",
+                                               tx->tx_power.ant_c);
+               } else
+                       pos += scnprintf(buf + pos, bufsz - pos, "N/A\n");
+       }
+       return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
+DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics);
+DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics);
+DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
+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(tx_power);
 
 /*
  * Create the debugfs files and directories
@@ -626,16 +1652,35 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
 
        DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
        DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
+       DEBUGFS_ADD_DIR(debug, dbgfs->dir_drv);
        DEBUGFS_ADD_FILE(nvm, data);
        DEBUGFS_ADD_FILE(sram, data);
        DEBUGFS_ADD_FILE(log_event, data);
        DEBUGFS_ADD_FILE(stations, data);
-       DEBUGFS_ADD_FILE(rx_statistics, data);
-       DEBUGFS_ADD_FILE(tx_statistics, data);
        DEBUGFS_ADD_FILE(channels, data);
        DEBUGFS_ADD_FILE(status, data);
        DEBUGFS_ADD_FILE(interrupt, data);
        DEBUGFS_ADD_FILE(qos, data);
+#ifdef CONFIG_IWLWIFI_LEDS
+       DEBUGFS_ADD_FILE(led, data);
+#endif
+       DEBUGFS_ADD_FILE(sleep_level_override, data);
+       DEBUGFS_ADD_FILE(current_sleep_command, data);
+       DEBUGFS_ADD_FILE(thermal_throttling, data);
+       DEBUGFS_ADD_FILE(disable_ht40, data);
+       DEBUGFS_ADD_FILE(rx_statistics, debug);
+       DEBUGFS_ADD_FILE(tx_statistics, debug);
+       DEBUGFS_ADD_FILE(traffic_log, debug);
+       DEBUGFS_ADD_FILE(rx_queue, debug);
+       DEBUGFS_ADD_FILE(tx_queue, debug);
+       DEBUGFS_ADD_FILE(tx_power, debug);
+       if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
+               DEBUGFS_ADD_FILE(ucode_rx_stats, debug);
+               DEBUGFS_ADD_FILE(ucode_tx_stats, debug);
+               DEBUGFS_ADD_FILE(ucode_general_stats, debug);
+               DEBUGFS_ADD_FILE(sensitivity, debug);
+               DEBUGFS_ADD_FILE(chain_noise, debug);
+       }
        DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
        DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
                         &priv->disable_chain_noise_cal);
@@ -661,9 +1706,9 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
        if (!priv->dbgfs)
                return;
 
+       DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sleep_level_override);
+       DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_current_sleep_command);
        DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_nvm);
-       DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_rx_statistics);
-       DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_tx_statistics);
        DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
        DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
        DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
@@ -671,7 +1716,31 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
        DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
        DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
        DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
+#ifdef CONFIG_IWLWIFI_LEDS
+       DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_led);
+#endif
+       DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_thermal_throttling);
+       DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_disable_ht40);
        DEBUGFS_REMOVE(priv->dbgfs->dir_data);
+       DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_statistics);
+       DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_statistics);
+       DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_traffic_log);
+       DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_rx_queue);
+       DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
+       DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power);
+       if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
+               DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
+                       file_ucode_rx_stats);
+               DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
+                       file_ucode_tx_stats);
+               DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
+                       file_ucode_general_stats);
+               DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
+                       file_sensitivity);
+               DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
+                       file_chain_noise);
+       }
+       DEBUGFS_REMOVE(priv->dbgfs->dir_debug);
        DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
        DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
        if (((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965) ||