* in the file called LICENSE.GPL.
*
* Contact Information:
- * Tomas Winkler <tomas.winkler@intel.com>
+ * Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*****************************************************************************/
#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
dbgfs->dbgfs_##parent##_files.file_##name = \
debugfs_create_bool(#name, 0644, dbgfs->dir_##parent, ptr); \
- if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)) \
+ if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name) \
+ || !dbgfs->dbgfs_##parent##_files.file_##name) \
goto err; \
} while (0)
ssize_t ret;
/* Add 30 for initial string */
const size_t bufsz = 30 + sizeof(char) * 500 * (priv->num_stations);
- DECLARE_MAC_BUF(mac);
buf = kmalloc(bufsz, GFP_KERNEL);
- if(!buf)
+ if (!buf)
return -ENOMEM;
pos += scnprintf(buf + pos, bufsz - pos, "num of stations: %d\n\n",
if (station->used) {
pos += scnprintf(buf + pos, bufsz - pos,
"station %d:\ngeneral data:\n", i+1);
- print_mac(mac, station->sta.sta.addr);
pos += scnprintf(buf + pos, bufsz - pos, "id: %u\n",
station->sta.sta.sta_id);
pos += scnprintf(buf + pos, bufsz - pos, "mode: %u\n",
return count;
}
+
+
+static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+ struct ieee80211_channel *channels = NULL;
+ const struct ieee80211_supported_band *supp_band = NULL;
+ int pos = 0, i, bufsz = PAGE_SIZE;
+ char *buf;
+ ssize_t ret;
+
+ if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))
+ return -EAGAIN;
+
+ buf = kzalloc(bufsz, GFP_KERNEL);
+ if (!buf) {
+ IWL_ERROR("Can not allocate Buffer\n");
+ return -ENOMEM;
+ }
+
+ supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);
+ channels = supp_band->channels;
+
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "Displaying %d channels in 2.4GHz band 802.11bg):\n",
+ supp_band->n_channels);
+
+ for (i = 0; i < supp_band->n_channels; i++)
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "%d: %ddBm: BSS%s%s, %s.\n",
+ ieee80211_frequency_to_channel(
+ channels[i].center_freq),
+ channels[i].max_power,
+ channels[i].flags & IEEE80211_CHAN_RADAR ?
+ " (IEEE 802.11h required)" : "",
+ (!(channels[i].flags & IEEE80211_CHAN_NO_IBSS)
+ || (channels[i].flags &
+ IEEE80211_CHAN_RADAR)) ? "" :
+ ", IBSS",
+ channels[i].flags &
+ IEEE80211_CHAN_PASSIVE_SCAN ?
+ "passive only" : "active/passive");
+
+ supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_5GHZ);
+ channels = supp_band->channels;
+
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "Displaying %d channels in 5.2GHz band (802.11a)\n",
+ supp_band->n_channels);
+
+ for (i = 0; i < supp_band->n_channels; i++)
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "%d: %ddBm: BSS%s%s, %s.\n",
+ ieee80211_frequency_to_channel(
+ channels[i].center_freq),
+ channels[i].max_power,
+ channels[i].flags & IEEE80211_CHAN_RADAR ?
+ " (IEEE 802.11h required)" : "",
+ ((channels[i].flags & IEEE80211_CHAN_NO_IBSS)
+ || (channels[i].flags &
+ IEEE80211_CHAN_RADAR)) ? "" :
+ ", IBSS",
+ channels[i].flags &
+ IEEE80211_CHAN_PASSIVE_SCAN ?
+ "passive only" : "active/passive");
+
+ ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+ kfree(buf);
+ return ret;
+}
+
+
DEBUGFS_READ_WRITE_FILE_OPS(sram);
DEBUGFS_WRITE_FILE_OPS(log_event);
DEBUGFS_READ_FILE_OPS(eeprom);
DEBUGFS_READ_FILE_OPS(stations);
DEBUGFS_READ_FILE_OPS(rx_statistics);
DEBUGFS_READ_FILE_OPS(tx_statistics);
+DEBUGFS_READ_FILE_OPS(channels);
/*
* Create the debugfs files and directories
{
struct iwl_debugfs *dbgfs;
struct dentry *phyd = priv->hw->wiphy->debugfsdir;
+ int ret = 0;
dbgfs = kzalloc(sizeof(struct iwl_debugfs), GFP_KERNEL);
if (!dbgfs) {
+ ret = -ENOMEM;
goto err;
}
priv->dbgfs = dbgfs;
dbgfs->name = name;
dbgfs->dir_drv = debugfs_create_dir(name, phyd);
- if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)){
+ if (!dbgfs->dir_drv || IS_ERR(dbgfs->dir_drv)) {
+ ret = -ENOENT;
goto err;
}
DEBUGFS_ADD_FILE(stations, data);
DEBUGFS_ADD_FILE(rx_statistics, data);
DEBUGFS_ADD_FILE(tx_statistics, data);
+ DEBUGFS_ADD_FILE(channels, data);
DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
&priv->disable_chain_noise_cal);
err:
IWL_ERROR("Can't open the debugfs directory\n");
iwl_dbgfs_unregister(priv);
- return -ENOENT;
+ return ret;
}
EXPORT_SYMBOL(iwl_dbgfs_register);
*/
void iwl_dbgfs_unregister(struct iwl_priv *priv)
{
- if (!(priv->dbgfs))
+ if (!priv->dbgfs)
return;
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_eeprom);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
+ DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
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);