iwlwifi: mvm: set the TX disable bit when doing a chanctx switch
During a channel switch we should tell the firmware to disable TX
temporarily and re-enable it after the switch is done.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index cbe9ff0..3bbeedf 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -2748,6 +2748,19 @@
iwl_mvm_mac_ctxt_changed(mvm, vif, false);
}
+ if (vif->csa_active && vif->type == NL80211_IFTYPE_STATION) {
+ struct iwl_mvm_sta *mvmsta;
+
+ mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
+ mvmvif->ap_sta_id);
+
+ if (WARN_ON(!mvmsta))
+ goto out;
+
+ /* TODO: only re-enable after the first beacon */
+ iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
+ }
+
goto out;
out_remove_binding:
@@ -2779,6 +2792,7 @@
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct ieee80211_vif *disabled_vif = NULL;
+ struct iwl_mvm_sta *mvmsta;
lockdep_assert_held(&mvm->mutex);
@@ -2810,6 +2824,12 @@
disabled_vif = vif;
+ mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
+ mvmvif->ap_sta_id);
+
+ if (!WARN_ON(!mvmsta))
+ iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, true);
+
iwl_mvm_mac_ctxt_changed(mvm, vif, true);
break;
default: