Commit 4d38c2e8 authored by Emmanuel Grumbach's avatar Emmanuel Grumbach Committed by John W. Linville

iwlwifi: disable FAT channel when not permitted

This patch disables FAT channel when it is not permitted according to
the EEPROM.
Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 9306102e
......@@ -486,6 +486,25 @@ static int iwlcore_init_geos(struct iwl_priv *priv)
if (ch->flags & EEPROM_CHANNEL_RADAR)
geo_ch->flags |= IEEE80211_CHAN_RADAR;
switch (ch->fat_extension_channel) {
case HT_IE_EXT_CHANNEL_ABOVE:
/* only above is allowed, disable below */
geo_ch->flags |= IEEE80211_CHAN_NO_FAT_BELOW;
break;
case HT_IE_EXT_CHANNEL_BELOW:
/* only below is allowed, disable above */
geo_ch->flags |= IEEE80211_CHAN_NO_FAT_ABOVE;
break;
case HT_IE_EXT_CHANNEL_NONE:
/* fat not allowed: disable both*/
geo_ch->flags |= (IEEE80211_CHAN_NO_FAT_ABOVE |
IEEE80211_CHAN_NO_FAT_BELOW);
break;
case HT_IE_EXT_CHANNEL_MAX:
/* both above and below are permitted */
break;
}
if (ch->max_power_avg > priv->max_channel_txpower_limit)
priv->max_channel_txpower_limit =
ch->max_power_avg;
......
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