From: Luciano Coelho <luciano.coelho@xxxxxxxxx>
After a channel switch, transmission on the new channel is only
started once we see a beacon on it. Thus, beacon filtering needs to
be disabled during channel switch so that mac80211 receives this
beacon and finishes the process.
Signed-off-by: Luciano Coelho <luciano.coelho@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/mvm/mac80211.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 55ab81e..7c031ee 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -3079,6 +3079,12 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw,
iwl_mvm_schedule_csa_period(mvm, vif, vif->bss_conf.beacon_int,
apply_time);
+ if (mvmvif->bf_data.bf_enabled) {
+ ret = iwl_mvm_disable_beacon_filter(mvm, vif, 0);
+ if (ret)
+ goto out_unlock;
+ }
+
break;
default:
break;
@@ -3119,6 +3125,10 @@ static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw,
iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
+
+ ret = iwl_mvm_enable_beacon_filter(mvm, vif, 0);
+ if (ret)
+ goto out_unlock;
}
mvmvif->ps_disabled = false;
--
2.1.1
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