Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=375dd24428cfe900f4ed95d301fe604f8e0d459b
Commit: 375dd24428cfe900f4ed95d301fe604f8e0d459b
Parent: b9099ff63c75216d6ca10bce5a1abcd9293c27e6
Author: Zhu Yi <[EMAIL PROTECTED]>
AuthorDate: Wed Feb 14 16:04:24 2007 +0800
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Sat Apr 28 11:00:54 2007 -0400
[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 <[EMAIL PROTECTED]>
Signed-off-by: John W. Linville <[EMAIL PROTECTED]>
---
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 4839a45..2069908 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,
-
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