diff options
| author | Zhu Yi <yi.zhu@intel.com> | 2007-02-14 16:04:24 +0800 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-04-28 11:00:54 -0400 |
| commit | 375dd24428cfe900f4ed95d301fe604f8e0d459b (patch) | |
| tree | cd2e17d66154e308199ae9f78a082426edb4fc55 /drivers/net/wireless/ipw2200.c | |
| parent | b9099ff63c75216d6ca10bce5a1abcd9293c27e6 (diff) | |
[PATCH] ipw2200: add channels sysfs entry
Add 'channels' sysfs entry for ipw2200. The entry exports channels
information for the user space.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ipw2200.c')
| -rw-r--r-- | drivers/net/wireless/ipw2200.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 4839a45098cb..2069908a3066 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -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, |