iwlwifi: mvm: set BROADCAST_TWT_SUPPORTED in MAC policy

If broadcast TWT is supported in the BSS, tell the
firmware about it by setting the BROADCAST_TWT_SUPPORTED
in the MAC context command.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210802170640.736c3b1bc915.I10583bb6f808aa60954da26106bbc8c26620cbe8@changeidSigned-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/fw/api/mac.h

 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
- * Copyright (C) 2012-2014, 2018-2020 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2021 Intel Corporation
  * Copyright (C) 2017 Intel Deutschland GmbH
  */
 #ifndef __iwl_fw_api_mac_h__
@@ -137,12 +137,14 @@ struct iwl_mac_data_ibss {
  *	early termination detection.
  * @FLEXIBLE_TWT_SUPPORTED: AP supports flexible TWT schedule
  * @PROTECTED_TWT_SUPPORTED: AP supports protected TWT frames (with 11w)
+ * @BROADCAST_TWT_SUPPORTED: AP and STA support broadcast TWT
  */
 enum iwl_mac_data_policy {
 	TWT_SUPPORTED = BIT(0),
 	MORE_DATA_ACK_SUPPORTED = BIT(1),
 	FLEXIBLE_TWT_SUPPORTED = BIT(2),
 	PROTECTED_TWT_SUPPORTED = BIT(3),
+	BROADCAST_TWT_SUPPORTED = BIT(4),
 };
 
 /**

drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c

 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /*
- * Copyright (C) 2012-2014, 2018-2020 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2021 Intel Corporation
  * Copyright (C) 2013-2014 Intel Mobile Communications GmbH
  * Copyright (C) 2015-2017 Intel Deutschland GmbH
  */
@@ -652,6 +652,9 @@ static int iwl_mvm_mac_ctxt_cmd_sta(struct iwl_mvm *mvm,
 			if (vif->bss_conf.twt_protected)
 				ctxt_sta->data_policy |=
 					cpu_to_le32(PROTECTED_TWT_SUPPORTED);
+			if (vif->bss_conf.twt_broadcast)
+				ctxt_sta->data_policy |=
+					cpu_to_le32(BROADCAST_TWT_SUPPORTED);
 		}
 	}