Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

[karo-tx-linux.git] / drivers / net / wireless / iwlwifi / iwl-debugfs.c

diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 6d49dfbee964888685b1e2b1a14a9cbe5f54cb7a..a1670e3f8bfaa48bc0f2bb1328e9ba6b59acfe92 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -349,7 +349,6 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
        struct iwl_priv *priv = file->private_data;
        struct iwl_station_entry *station;
        struct iwl_tid_data *tid_data;
-       int max_sta = hw_params(priv).max_stations;
        char *buf;
        int i, j, pos = 0;
        ssize_t ret;
@@ -363,7 +362,7 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
        pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
                        priv->num_stations);
 
-       for (i = 0; i < max_sta; i++) {
+       for (i = 0; i < IWLAGN_STATION_COUNT; i++) {
                station = &priv->stations[i];
                if (!station->used)
                        continue;
@@ -2444,6 +2443,23 @@ static ssize_t iwl_dbgfs_protection_mode_write(struct file *file,
        return count;
 }
 
+static ssize_t iwl_dbgfs_echo_test_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;
+
+       memset(buf, 0, sizeof(buf));
+       buf_size = min(count, sizeof(buf) -  1);
+       if (copy_from_user(buf, user_buf, buf_size))
+               return -EFAULT;
+
+       iwl_cmd_echo_test(priv);
+       return count;
+}
+
 DEBUGFS_READ_FILE_OPS(rx_statistics);
 DEBUGFS_READ_FILE_OPS(tx_statistics);
 DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
@@ -2467,6 +2483,7 @@ DEBUGFS_WRITE_FILE_OPS(wd_timeout);
 DEBUGFS_READ_FILE_OPS(bt_traffic);
 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
 DEBUGFS_READ_FILE_OPS(reply_tx_error);
+DEBUGFS_WRITE_FILE_OPS(echo_test);
 
 #ifdef CONFIG_IWLWIFI_DEBUG
 static ssize_t iwl_dbgfs_debug_level_read(struct file *file,
@@ -2575,6 +2592,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
        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);
+       DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
        if (iwl_advanced_bt_coexist(priv))
                DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
 #ifdef CONFIG_IWLWIFI_DEBUG