Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5d72a1f5 authored by Ester Kummer's avatar Ester Kummer Committed by John W. Linville
Browse files

iwlwifi: adding channels to sysfs 



This patch returns channel list to sysfs.

Signed-off-by: default avatarEster Kummer <ester.kummer@intel.com>
Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarZhu Yi <yi.zhu@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent dc0ae30c

drivers/net/wireless/iwlwifi/iwl4965-base.c

+56 −2
Original line number Diff line number Diff line
@@ -4122,8 +4122,62 @@ static DEVICE_ATTR(power_level, S_IWUSR | S_IRUSR, show_power_level, 
static ssize_t show_channels(struct device *d,

			     struct device_attribute *attr, char *buf)

{

	/* all this shit doesn't belong into sysfs anyway */

	return 0;



	struct iwl_priv *priv = dev_get_drvdata(d);

	struct ieee80211_channel *channels = NULL;

	const struct ieee80211_supported_band *supp_band = NULL;

	int len = 0, i;

	int count = 0;



	if (!test_bit(STATUS_GEO_CONFIGURED, &priv->status))

		return -EAGAIN;



	supp_band = iwl_get_hw_mode(priv, IEEE80211_BAND_2GHZ);

	channels = supp_band->channels;

	count = supp_band->n_channels;



	len += sprintf(&buf[len],

			"Displaying %d channels in 2.4GHz band "

			"(802.11bg):\n", count);



	for (i = 0; i < count; i++)

		len += sprintf(&buf[len], "%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;

	count = supp_band->n_channels;



	len += sprintf(&buf[len], "Displaying %d channels in 5.2GHz band "

			"(802.11a):\n", count);



	for (i = 0; i < count; i++)

		len += sprintf(&buf[len], "%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");



	return len;

}



static DEVICE_ATTR(channels, S_IRUSR, show_channels, NULL);