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iwlwifi: debugfs file for txfifo command testing

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Add debugfs file for REPLY_TXFIFO_FLUSH host command testing.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
This commit is contained in:
Wey-Yi Guy 2010-06-24 13:18:36 -07:00
parent 6555063666
commit 4bf49a90bc
1 changed files with 27 additions and 0 deletions
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27
drivers/net/wireless/iwlwifi/iwl-debugfs.c
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@ -1495,6 +1495,30 @@ static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
return ret ? ret : count; 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(rx_statistics);
DEBUGFS_READ_FILE_OPS(tx_statistics); DEBUGFS_READ_FILE_OPS(tx_statistics);
DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); 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_WRITE_FILE_OPS(force_reset);
DEBUGFS_READ_FILE_OPS(rxon_flags); DEBUGFS_READ_FILE_OPS(rxon_flags);
DEBUGFS_READ_FILE_OPS(rxon_filter_flags); DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
/* /*
* Create the debugfs files and directories * 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_rx_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(ucode_tx_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); 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) if (priv->cfg->sensitivity_calib_by_driver)
DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);