iwlwifi: move show_qos to debugfs
This move the show_qos file from sysfs to debugfs because the "one
value per file" sysfs rule.
The file is located in
/sys/kernel/debug/ieee80211/phy0/iwlagn/data
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index f32ac74..e38ec81 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -566,6 +566,28 @@
return count;
}
+static ssize_t iwl_dbgfs_qos_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, i;
+ char buf[256];
+ const size_t bufsz = sizeof(buf);
+ ssize_t ret;
+
+ for (i = 0; i < AC_NUM; i++) {
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "\tcw_min\tcw_max\taifsn\ttxop\n");
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "AC[%d]\t%u\t%u\t%u\t%u\n", i,
+ priv->qos_data.def_qos_parm.ac[i].cw_min,
+ priv->qos_data.def_qos_parm.ac[i].cw_max,
+ priv->qos_data.def_qos_parm.ac[i].aifsn,
+ priv->qos_data.def_qos_parm.ac[i].edca_txop);
+ }
+ ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+ return ret;
+}
DEBUGFS_READ_WRITE_FILE_OPS(sram);
DEBUGFS_WRITE_FILE_OPS(log_event);
@@ -576,6 +598,7 @@
DEBUGFS_READ_FILE_OPS(channels);
DEBUGFS_READ_FILE_OPS(status);
DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
+DEBUGFS_READ_FILE_OPS(qos);
/*
* Create the debugfs files and directories
@@ -612,6 +635,7 @@
DEBUGFS_ADD_FILE(channels, data);
DEBUGFS_ADD_FILE(status, data);
DEBUGFS_ADD_FILE(interrupt, data);
+ DEBUGFS_ADD_FILE(qos, data);
DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
&priv->disable_chain_noise_cal);
@@ -646,6 +670,7 @@
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_interrupt);
+ DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_qos);
DEBUGFS_REMOVE(priv->dbgfs->dir_data);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);