diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-debugfs.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 48f8908..088a2c1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -1495,6 +1495,30 @@ static ssize_t iwl_dbgfs_force_reset_write(struct file *file, return ret ? ret : count; } +static ssize_t iwl_dbgfs_txfifo_flush_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 flush; + + 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", &flush) != 1) + return -EINVAL; + + if (iwl_is_rfkill(priv)) + return -EFAULT; + + priv->cfg->ops->lib->dev_txfifo_flush(priv, IWL_DROP_ALL); + + return count; +} + DEBUGFS_READ_FILE_OPS(rx_statistics); DEBUGFS_READ_FILE_OPS(tx_statistics); DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); @@ -1516,6 +1540,7 @@ DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta); DEBUGFS_READ_WRITE_FILE_OPS(force_reset); DEBUGFS_READ_FILE_OPS(rxon_flags); DEBUGFS_READ_FILE_OPS(rxon_filter_flags); +DEBUGFS_WRITE_FILE_OPS(txfifo_flush); /* * Create the debugfs files and directories @@ -1574,6 +1599,8 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) 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 (priv->cfg->ops->lib->dev_txfifo_flush) + DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR); if (priv->cfg->sensitivity_calib_by_driver) DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); |