diff options
| author |   Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2008-05-29 16:35:24 +0800 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2008-06-03 15:00:26 -0400 |
| commit | 4d38c2e8ea7589f546244a1673b8171455283fcb (patch) | |
| tree | b0cdb5f59de8e8d1c85678d6de6e653ee3b304aa /drivers | |
| parent | mac80211: allow disable FAT in specific configurations (diff) | |
| download | linux-dev-4d38c2e8ea7589f546244a1673b8171455283fcb.tar.xz linux-dev-4d38c2e8ea7589f546244a1673b8171455283fcb.zip | |
iwlwifi: disable FAT channel when not permitted
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 010085aee5d4..c9bbfbb8cfa0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -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; |