iwlagn: add "echo test" command to debugfs
For command queue testing, add "echo test" to debugfs
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 6d49dfb..ea1452c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -2444,6 +2444,23 @@
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 +2484,7 @@
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 +2593,7 @@
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