Revert "iwlwifi: remove IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT flag"

This reverts commit dc9a19296a872644f19a06d8eeb5db222d327b41.

3610 cards don't support UAPSD.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

drivers/net/wireless/iwlwifi/iwl-fw.h

@@ -88,6 +88,7 @@
  *	P2P client interfaces simultaneously if they are in different bindings.
  * @IWL_UCODE_TLV_FLAGS_P2P_BSS_PS_SCM: support power save on BSS station and
  *	P2P client interfaces simultaneously if they are in same bindings.
+ * @IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT: General support for uAPSD
  * @IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD: P2P client supports uAPSD power save
  * @IWL_UCODE_TLV_FLAGS_BCAST_FILTERING: uCode supports broadcast filtering.
  * @IWL_UCODE_TLV_FLAGS_GO_UAPSD: AP/GO interfaces support uAPSD clients

drivers/net/wireless/iwlwifi/mvm/mac80211.c

@@ -303,6 +303,13 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 		hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
 	}
 
+	if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT &&
+	    !iwlwifi_mod_params.uapsd_disable) {
+		hw->flags |= IEEE80211_HW_SUPPORTS_UAPSD;
+		hw->uapsd_queues = IWL_UAPSD_AC_INFO;
+		hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
+	}
+
 	hw->sta_data_size = sizeof(struct iwl_mvm_sta);
 	hw->vif_data_size = sizeof(struct iwl_mvm_vif);
 	hw->chanctx_data_size = sizeof(u16);