From: Abhijeet Kolekar <abhijeet.kolekar@xxxxxxxxx>
The patch adds channels sysfs entry for iwl3945. Make it consistent
with iwlagn.
Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@xxxxxxxxx>
Signed-off-by: Zhu Yi <yi.zhu@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl3945-base.c | 56 ++++++++++++++++++++++++++-
1 files changed, 54 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 62b26be..cf41edf 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -7666,8 +7666,60 @@ 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 iwl3945_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 = iwl3945_get_band(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 = iwl3945_get_band(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);
--
1.5.3.6
--
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