From: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
---
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 b2875fe..b122eed 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:
--
1.5.6.3
--
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