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| author | Ester Kummer <ester.kummer@intel.com> | 2008-06-13 11:44:53 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-06-14 20:18:11 +0400 |
| commit | 5d72a1f5b6da334f8722255c766fdbcd4c1b4c51 (patch) | |
| tree | 374ca22bc2c7ba3e728e7daf4b00a416f03eb7e1 /drivers | |
| parent | dc0ae30c31ee6ef83992bb692f37dfbba08a2ef6 (diff) | |
| download | linux-5d72a1f5b6da334f8722255c766fdbcd4c1b4c51.tar.xz | |
iwlwifi: adding channels to sysfs
This patch returns channel list to sysfs.
Signed-off-by: Ester Kummer <ester.kummer@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl4965-base.c | 58 |
1 files changed, 56 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index 81a1c22874a1..c179b21bd0d8 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -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); |