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Commit befe8c46 authored by Wey-Yi Guy's avatar Wey-Yi Guy Committed by John W. Linville
Browse files

iwlwifi: add bt traffic load debugfs file 



Add the debugfs file to show current bluetooth traffic load

Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent f78e5454

drivers/net/wireless/iwlwifi/iwl-debugfs.c

+45 −0
Original line number Diff line number Diff line
@@ -1555,6 +1555,48 @@ static ssize_t iwl_dbgfs_monitor_period_write(struct file *file, 
	return count;

}



static ssize_t iwl_dbgfs_bt_traffic_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[200];

	const size_t bufsz = sizeof(buf);

	ssize_t ret;



	pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",

		priv->bt_full_concurrent ? "full concurrency" : "3-wire");

	pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "

			 "last traffic notif: %d\n",

		priv->bt_status ? "On" : "Off", priv->notif_bt_traffic_load);

	pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "

			 "sco_active: %d, kill_ack_mask: %x, "

			 "kill_cts_mask: %x\n",

		priv->bt_ch_announce, priv->bt_sco_active,

		priv->kill_ack_mask, priv->kill_cts_mask);



	pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");

	switch (priv->bt_traffic_load) {

	case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:

		pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");

		break;

	case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:

		pos += scnprintf(buf + pos, bufsz - pos, "High\n");

		break;

	case IWL_BT_COEX_TRAFFIC_LOAD_LOW:

		pos += scnprintf(buf + pos, bufsz - pos, "Low\n");

		break;

	case IWL_BT_COEX_TRAFFIC_LOAD_NONE:

	default:

		pos += scnprintf(buf + pos, bufsz - pos, "None\n");

		break;

	}



	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);

	return ret;

}



DEBUGFS_READ_FILE_OPS(rx_statistics);

DEBUGFS_READ_FILE_OPS(tx_statistics);

DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
@@ -1579,6 +1621,7 @@ DEBUGFS_READ_FILE_OPS(rxon_filter_flags); 
DEBUGFS_WRITE_FILE_OPS(txfifo_flush);

DEBUGFS_READ_FILE_OPS(ucode_bt_stats);

DEBUGFS_WRITE_FILE_OPS(monitor_period);

DEBUGFS_READ_FILE_OPS(bt_traffic);



/*

 * Create the debugfs files and directories
@@ -1651,6 +1694,8 @@ 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(monitor_period, dir_debug, S_IWUSR);

	if (priv->cfg->advanced_bt_coexist)

		DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);

	if (priv->cfg->sensitivity_calib_by_driver)

		DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,

				 &priv->disable_sens_cal);