leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

iwlwifi: disable FAT channel when not permitted

Browse Source 
This patch disables FAT channel when it is not permitted according to
the EEPROM.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Emmanuel Grumbach 2008-05-29 16:35:24 +08:00 committed by John W. Linville
parent 9306102ea5
commit 4d38c2e8ea
1 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/net/wireless/iwlwifi/iwl-core.c
View File

@ -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;