iwlwifi: add bt traffic load debugfs file
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>
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@ -1555,6 +1555,48 @@ static ssize_t iwl_dbgfs_monitor_period_write(struct file *file,
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return count;
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}
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static ssize_t iwl_dbgfs_bt_traffic_read(struct file *file,
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char __user *user_buf,
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size_t count, loff_t *ppos) {
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struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
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int pos = 0;
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char buf[200];
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const size_t bufsz = sizeof(buf);
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ssize_t ret;
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pos += scnprintf(buf + pos, bufsz - pos, "BT in %s mode\n",
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priv->bt_full_concurrent ? "full concurrency" : "3-wire");
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pos += scnprintf(buf + pos, bufsz - pos, "BT status: %s, "
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"last traffic notif: %d\n",
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priv->bt_status ? "On" : "Off", priv->notif_bt_traffic_load);
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pos += scnprintf(buf + pos, bufsz - pos, "ch_announcement: %d, "
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"sco_active: %d, kill_ack_mask: %x, "
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"kill_cts_mask: %x\n",
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priv->bt_ch_announce, priv->bt_sco_active,
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priv->kill_ack_mask, priv->kill_cts_mask);
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pos += scnprintf(buf + pos, bufsz - pos, "bluetooth traffic load: ");
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switch (priv->bt_traffic_load) {
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case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
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pos += scnprintf(buf + pos, bufsz - pos, "Continuous\n");
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break;
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case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
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pos += scnprintf(buf + pos, bufsz - pos, "High\n");
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break;
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case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
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pos += scnprintf(buf + pos, bufsz - pos, "Low\n");
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break;
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case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
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default:
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pos += scnprintf(buf + pos, bufsz - pos, "None\n");
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break;
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}
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ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
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return ret;
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}
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DEBUGFS_READ_FILE_OPS(rx_statistics);
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DEBUGFS_READ_FILE_OPS(tx_statistics);
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DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
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@ -1579,6 +1621,7 @@ DEBUGFS_READ_FILE_OPS(rxon_filter_flags);
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DEBUGFS_WRITE_FILE_OPS(txfifo_flush);
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DEBUGFS_READ_FILE_OPS(ucode_bt_stats);
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DEBUGFS_WRITE_FILE_OPS(monitor_period);
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DEBUGFS_READ_FILE_OPS(bt_traffic);
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/*
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* Create the debugfs files and directories
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@ -1651,6 +1694,8 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
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DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR);
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DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
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DEBUGFS_ADD_FILE(monitor_period, dir_debug, S_IWUSR);
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if (priv->cfg->advanced_bt_coexist)
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DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
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if (priv->cfg->sensitivity_calib_by_driver)
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DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
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&priv->disable_sens_cal);
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