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

Commit 375dd244 authored by Zhu Yi's avatar Zhu Yi Committed by Jeff Garzik
Browse files

[PATCH] ipw2200: add channels sysfs entry 



Add 'channels' sysfs entry for ipw2200. The entry exports channels
information for the user space.

Signed-off-by: default avatarZhu Yi <yi.zhu@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent b9099ff6

drivers/net/wireless/ipw2200.c

+47 −0
Original line number Diff line number Diff line
@@ -1847,6 +1847,52 @@ static ssize_t store_net_stats(struct device *d, struct device_attribute *attr, 
static DEVICE_ATTR(net_stats, S_IWUSR | S_IRUGO,

		   show_net_stats, store_net_stats);



static ssize_t show_channels(struct device *d,

			     struct device_attribute *attr,

			     char *buf)

{

	struct ipw_priv *priv = dev_get_drvdata(d);

	const struct ieee80211_geo *geo = ipw_get_geo(priv->ieee);

	int len = 0, i;



	len = sprintf(&buf[len],

		      "Displaying %d channels in 2.4Ghz band "

		      "(802.11bg):\n", geo->bg_channels);



	for (i = 0; i < geo->bg_channels; i++) {

		len += sprintf(&buf[len], "%d: BSS%s%s, %s, Band %s.\n",

			       geo->bg[i].channel,

			       geo->bg[i].flags & IEEE80211_CH_RADAR_DETECT ?

			       " (radar spectrum)" : "",

			       ((geo->bg[i].flags & IEEE80211_CH_NO_IBSS) ||

				(geo->bg[i].flags & IEEE80211_CH_RADAR_DETECT))

			       ? "" : ", IBSS",

			       geo->bg[i].flags & IEEE80211_CH_PASSIVE_ONLY ?

			       "passive only" : "active/passive",

			       geo->bg[i].flags & IEEE80211_CH_B_ONLY ?

			       "B" : "B/G");

	}



	len += sprintf(&buf[len],

		       "Displaying %d channels in 5.2Ghz band "

		       "(802.11a):\n", geo->a_channels);

	for (i = 0; i < geo->a_channels; i++) {

		len += sprintf(&buf[len], "%d: BSS%s%s, %s.\n",

			       geo->a[i].channel,

			       geo->a[i].flags & IEEE80211_CH_RADAR_DETECT ?

			       " (radar spectrum)" : "",

			       ((geo->a[i].flags & IEEE80211_CH_NO_IBSS) ||

				(geo->a[i].flags & IEEE80211_CH_RADAR_DETECT))

			       ? "" : ", IBSS",

			       geo->a[i].flags & IEEE80211_CH_PASSIVE_ONLY ?

			       "passive only" : "active/passive");

	}



	return len;

}



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



static void notify_wx_assoc_event(struct ipw_priv *priv)

{

	union iwreq_data wrqu;
@@ -11383,6 +11429,7 @@ static struct attribute *ipw_sysfs_entries[] = { 
	&dev_attr_led.attr,

	&dev_attr_speed_scan.attr,

	&dev_attr_net_stats.attr,

	&dev_attr_channels.attr,

#ifdef CONFIG_IPW2200_PROMISCUOUS

	&dev_attr_rtap_iface.attr,

	&dev_attr_rtap_filter.attr,