[PATCH 3/4] Configure secondary channel offset

[Eugene Krasnikov]

Keys exchange always fails on 5GHz with 40MHz channel
because extension channel was not set to secondary channel
offset.

Signed-off-by: Eugene Krasnikov <k.eugene.e at gmail.com>
---
 smd.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/smd.c b/smd.c
index d886ae8..bc61e3f 100644
--- a/smd.c
+++ b/smd.c
@@ -470,6 +470,15 @@ int wcn36xx_smd_join(struct wcn36xx *wcn, const u8 *bssid, u8 *vif, u8 ch)
 	memcpy(&msg_body.bssid, bssid, ETH_ALEN);
 	memcpy(&msg_body.self_sta_mac_addr, vif, ETH_ALEN);
 	msg_body.channel = ch;
+	if (conf_is_ht40_minus(&wcn->hw->conf))
+		msg_body.secondary_channel_offset =
+			PHY_DOUBLE_CHANNEL_HIGH_PRIMARY;
+	else if (conf_is_ht40_plus(&wcn->hw->conf))
+		msg_body.secondary_channel_offset =
+			PHY_DOUBLE_CHANNEL_LOW_PRIMARY;
+	else
+		msg_body.secondary_channel_offset =
+			PHY_SINGLE_CHANNEL_CENTERED;
 	msg_body.link_state = WCN36XX_HAL_LINK_PREASSOC_STATE;
 
 	msg_body.max_tx_power = 0xbf;
@@ -807,7 +816,12 @@ int wcn36xx_smd_config_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif,
 	bss->dtim_period = wcn->dtim_period;
 	bss->tx_channel_width_set = 0;
 	bss->oper_channel = WCN36XX_HW_CHANNEL(wcn);
-	bss->ext_channel = 0;
+	if (conf_is_ht40_minus(&wcn->hw->conf))
+		bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+	else if (conf_is_ht40_plus(&wcn->hw->conf))
+		bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+	else
+		bss->ext_channel = IEEE80211_HT_PARAM_CHA_SEC_NONE;
 	bss->reserved = 0;
 	if (sta)
 		wcn36xx_smd_set_sta_params(vif, sta, sta_params);
-- 
1.7.11.3