diff options
| author | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2009-06-12 13:22:50 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-06-15 15:05:52 -0400 |
| commit | 508b08e7121f2083c9e9cd82f10b9088b6bc13fb (patch) | |
| tree | 22a23d6ab5084a3e882ed7143a4347e5c32bba4c /drivers/net | |
| parent | 8e8df3a08c6f3098b54639ee6892e3753ad5f210 (diff) | |
iwlwifi: check control channel for pure 40MHz
for pure 40MHz mode, set the control channel location if provided, but not
like Mixed mode; if information is not provided, still allow 40MHz
operation.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index b2875fe1256..b122eedef36 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -826,9 +826,18 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info) RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK); if (iwl_is_fat_tx_allowed(priv, NULL)) { /* pure 40 fat */ - if (ht_info->ht_protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) + if (ht_info->ht_protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) { rxon->flags |= RXON_FLG_CHANNEL_MODE_PURE_40; - else { + /* Note: control channel is opposite of extension channel */ + switch (ht_info->extension_chan_offset) { + case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: + rxon->flags &= ~RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK; + break; + case IEEE80211_HT_PARAM_CHA_SEC_BELOW: + rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK; + break; + } + } else { /* Note: control channel is opposite of extension channel */ switch (ht_info->extension_chan_offset) { case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: |