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iwlwifi: add bt traffic load debugfs file

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Add the debugfs file to show current bluetooth traffic load

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wey-Yi Guy 2010-08-23 07:57:16 -07:00 committed by John W. Linville
parent f78e545449
commit befe8c469b
1 changed files with 45 additions and 0 deletions
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45
drivers/net/wireless/iwlwifi/iwl-debugfs.c
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@ -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);