diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 361cc6dd7..d2b423c30 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -352,7 +352,9 @@ static void nl80211_nlmsg_clear(struct nl_msg *msg)
 static int send_and_recv(struct nl80211_global *global,
 			 struct nl_sock *nl_handle, struct nl_msg *msg,
 			 int (*valid_handler)(struct nl_msg *, void *),
-			 void *valid_data)
+			 void *valid_data,
+			 int (*ack_handler_custom)(struct nl_msg *, void *),
+			 void *ack_data)
 {
 	struct nl_cb *cb;
 	int err = -ENOMEM, opt;
@@ -430,10 +432,13 @@ static int send_and_recv(struct nl80211_global *global,
 int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
 		       struct nl_msg *msg,
 		       int (*valid_handler)(struct nl_msg *, void *),
-		       void *valid_data)
+		       void *valid_data,
+		       int (*ack_handler_custom)(struct nl_msg *, void *),
+		       void *ack_data)
 {
 	return send_and_recv(drv->global, drv->global->nl, msg,
-			     valid_handler, valid_data);
+			     valid_handler, valid_data,
+			     ack_handler_custom, ack_data);
 }
 
 
@@ -447,7 +452,10 @@ static int send_and_recv_msgs_owner(struct wpa_driver_nl80211_data *drv,
 				    struct nl_sock *handle, int set_owner,
 				    int (*valid_handler)(struct nl_msg *,
 							 void *),
-				    void *valid_data)
+				    void *valid_data,
+				    int (*ack_handler_custom)(struct nl_msg *,
+							      void *),
+				    void *ack_data)
 {
 	/* Control port over nl80211 needs the flags and attributes below.
 	 *
@@ -469,7 +477,8 @@ static int send_and_recv_msgs_owner(struct wpa_driver_nl80211_data *drv,
 		return -1;
 
 	return send_and_recv(drv->global, handle ? handle : drv->global->nl,
-			     msg, valid_handler, valid_data);
+			     msg, valid_handler, valid_data,
+			     ack_handler_custom, ack_data);
 }
 
 
@@ -537,7 +546,8 @@ static int nl_get_multicast_id(struct nl80211_global *global,
 		return -1;
 	}
 
-	ret = send_and_recv(global, global->nl, msg, family_handler, &res);
+	ret = send_and_recv(global, global->nl, msg, family_handler, &res,
+			    NULL, NULL);
 	if (ret == 0)
 		ret = res.id;
 	return ret;
@@ -654,7 +664,8 @@ int nl80211_get_wiphy_index(struct i802_bss *bss)
 	if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
 		return -1;
 
-	if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
+	if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data,
+			       NULL, NULL) == 0)
 		return data.wiphy_idx;
 	return -1;
 }
@@ -671,7 +682,8 @@ static enum nl80211_iftype nl80211_get_ifmode(struct i802_bss *bss)
 	if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
 		return NL80211_IFTYPE_UNSPECIFIED;
 
-	if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0)
+	if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data,
+			       NULL, NULL) == 0)
 		return data.nlmode;
 	return NL80211_IFTYPE_UNSPECIFIED;
 }
@@ -687,7 +699,8 @@ static int nl80211_get_macaddr(struct i802_bss *bss)
 	if (!(msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_GET_INTERFACE)))
 		return -1;
 
-	return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data);
+	return send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data,
+				  NULL, NULL);
 }
 
 
@@ -707,7 +720,8 @@ static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv,
 		return -1;
 	}
 
-	ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL);
+	ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL,
+			    NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: Register beacons command "
 			   "failed: ret=%d (%s)",
@@ -1403,7 +1417,7 @@ try_again:
 	os_memset(&arg, 0, sizeof(arg));
 	arg.drv = drv;
 	ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
-				 &arg);
+				 &arg, NULL, NULL);
 	if (ret == -EAGAIN) {
 		count++;
 		if (count >= 10) {
@@ -1437,7 +1451,7 @@ try_again:
 	os_memset(&arg, 0, sizeof(arg));
 	arg.drv = drv;
 	ret = send_and_recv_msgs(drv, msg, nl80211_get_assoc_freq_handler,
-				 &arg);
+				 &arg, NULL, NULL);
 	if (ret == -EAGAIN) {
 		count++;
 		if (count >= 10) {
@@ -1540,7 +1554,7 @@ int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
 		return -ENOBUFS;
 	}
 
-	return send_and_recv_msgs(drv, msg, get_link_signal, sig);
+	return send_and_recv_msgs(drv, msg, get_link_signal, sig, NULL, NULL);
 }
 
 
@@ -1597,7 +1611,8 @@ int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
 	sig_change->frequency = drv->assoc_freq;
 
 	msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
-	return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
+	return send_and_recv_msgs(drv, msg, get_link_noise, sig_change,
+				  NULL, NULL);
 }
 
 
@@ -1661,7 +1676,7 @@ static int nl80211_channel_info(void *priv, struct wpa_channel_info *ci)
 	struct nl_msg *msg;
 
 	msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
-	return send_and_recv_msgs(drv, msg, get_channel_info, ci);
+	return send_and_recv_msgs(drv, msg, get_channel_info, ci, NULL, NULL);
 }
 
 
@@ -1710,7 +1725,7 @@ static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
 		nlmsg_free(msg);
 		return -EINVAL;
 	}
-	if (send_and_recv_msgs(drv, msg, NULL, NULL))
+	if (send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL))
 		return -EINVAL;
 	return 0;
 }
@@ -1746,7 +1761,8 @@ static int wpa_driver_nl80211_get_country(void *priv, char *alpha2)
 
 	nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
 	alpha2[0] = '\0';
-	ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2);
+	ret = send_and_recv_msgs(drv, msg, nl80211_get_country, alpha2,
+				 NULL, NULL);
 	if (!alpha2[0])
 		ret = -1;
 
@@ -2189,7 +2205,8 @@ static int nl80211_register_frame(struct i802_bss *bss,
 		return -1;
 	}
 
-	ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL);
+	ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL,
+			    NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
 			   "failed (type=%u): ret=%d (%s)",
@@ -2429,7 +2446,8 @@ static int nl80211_register_spurious_class3(struct i802_bss *bss)
 	int ret;
 
 	msg = nl80211_bss_msg(bss, 0, NL80211_CMD_UNEXPECTED_FRAME);
-	ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL);
+	ret = send_and_recv(bss->drv->global, bss->nl_mgmt, msg, NULL, NULL,
+			    NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 "
 			   "failed: ret=%d (%s)",
@@ -2583,7 +2601,7 @@ static void nl80211_del_p2pdev(struct i802_bss *bss)
 	int ret;
 
 	msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_DEL_INTERFACE);
-	ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL, NULL, NULL);
 
 	wpa_printf(MSG_DEBUG, "nl80211: Delete P2P Device %s (0x%llx): %s",
 		   bss->ifname, (long long unsigned int) bss->wdev_id,
@@ -2598,7 +2616,7 @@ static int nl80211_set_p2pdev(struct i802_bss *bss, int start)
 
 	msg = nl80211_cmd_msg(bss, 0, start ? NL80211_CMD_START_P2P_DEVICE :
 			      NL80211_CMD_STOP_P2P_DEVICE);
-	ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL, NULL, NULL);
 
 	wpa_printf(MSG_DEBUG, "nl80211: %s P2P Device %s (0x%llx): %s",
 		   start ? "Start" : "Stop",
@@ -2669,7 +2687,8 @@ static void qca_vendor_test(struct wpa_driver_nl80211_data *drv)
 	}
 	nla_nest_end(msg, params);
 
-	ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv);
+	ret = send_and_recv_msgs(drv, msg, qca_vendor_test_cmd_handler, drv,
+				 NULL, NULL);
 	wpa_printf(MSG_DEBUG,
 		   "nl80211: QCA vendor test command returned %d (%s)",
 		   ret, strerror(-ret));
@@ -2794,7 +2813,7 @@ static int wpa_driver_nl80211_del_beacon(struct i802_bss *bss)
 		   drv->ifindex);
 	nl80211_put_wiphy_data_ap(bss);
 	msg = nl80211_drv_msg(drv, 0, NL80211_CMD_DEL_BEACON);
-	return send_and_recv_msgs(drv, msg, NULL, NULL);
+	return send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 }
 
 
@@ -3056,7 +3075,7 @@ static int issue_key_mgmt_set_key(struct wpa_driver_nl80211_data *drv,
 		nlmsg_free(msg);
 		return -1;
 	}
-	ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
+	ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG,
 			   "nl80211: Key management set key failed: ret=%d (%s)",
@@ -3096,7 +3115,7 @@ static int nl80211_set_pmk(struct wpa_driver_nl80211_data *drv,
 		return -ENOBUFS;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
+	ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: Set PMK failed: ret=%d (%s)",
 			   ret, strerror(-ret));
@@ -3262,7 +3281,8 @@ static int wpa_driver_nl80211_set_key(struct i802_bss *bss,
 			goto fail;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL,
+				 NULL, NULL);
 	if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
 		ret = 0;
 	if (ret)
@@ -3324,7 +3344,7 @@ static int wpa_driver_nl80211_set_key(struct i802_bss *bss,
 			goto fail;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret)
 		wpa_printf(MSG_DEBUG,
 			   "nl80211: set_key default failed; err=%d %s",
@@ -3448,9 +3468,10 @@ int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
 	}
 
 	if (nl_connect)
-		ret = send_and_recv(drv->global, nl_connect, msg, NULL, NULL);
+		ret = send_and_recv(drv->global, nl_connect, msg, NULL, NULL,
+				    NULL, NULL);
 	else
-		ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+		ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret) {
 		wpa_dbg(drv->ctx, MSG_DEBUG,
 			"nl80211: MLME command failed: reason=%u ret=%d (%s)",
@@ -3698,7 +3719,7 @@ retry:
 			goto fail;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_dbg(drv->ctx, MSG_DEBUG,
@@ -3976,7 +3997,7 @@ static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
 		return -ENOBUFS;
 	}
 
-	return send_and_recv_msgs(drv, msg, NULL, NULL);
+	return send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 }
 
 
@@ -4020,7 +4041,7 @@ static int wpa_driver_nl80211_set_acl(void *priv,
 	}
 	nlmsg_free(acl);
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: Failed to set MAC ACL: %d (%s)",
 			   ret, strerror(-ret));
@@ -4072,7 +4093,7 @@ static int nl80211_set_mesh_config(void *priv,
 		return ret;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_ERROR,
 			   "nl80211: Mesh config set failed: %d (%s)",
@@ -4197,7 +4218,7 @@ static int nl80211_set_multicast_to_unicast(struct i802_bss *bss,
 		return -ENOBUFS;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 
 	switch (ret) {
 	case 0:
@@ -4486,7 +4507,7 @@ static int wpa_driver_nl80211_set_ap(void *priv,
 #endif /* CONFIG_IEEE80211AX */
 
 	ret = send_and_recv_msgs_owner(drv, msg, get_connect_handle(bss), 1,
-				       NULL, NULL);
+				       NULL, NULL, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
 			   ret, strerror(-ret));
@@ -4655,7 +4676,7 @@ static int nl80211_set_channel(struct i802_bss *bss,
 		return -1;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret == 0) {
 		bss->freq = freq->freq;
 		return 0;
@@ -4933,7 +4954,7 @@ static int wpa_driver_nl80211_sta_add(void *priv,
 		nla_nest_end(msg, wme);
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (ret)
 		wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION "
@@ -5005,7 +5026,7 @@ static int wpa_driver_nl80211_sta_remove(struct i802_bss *bss, const u8 *addr,
 		return -ENOBUFS;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	wpa_printf(MSG_DEBUG, "nl80211: sta_remove -> DEL_STATION %s " MACSTR
 		   " --> %d (%s)",
 		   bss->ifname, MAC2STR(addr), ret, strerror(-ret));
@@ -5036,7 +5057,7 @@ void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
 	}
 
 	msg = nl80211_ifindex_msg(drv, ifidx, 0, NL80211_CMD_DEL_INTERFACE);
-	if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
+	if (send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL) == 0)
 		return;
 	wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx);
 }
@@ -5116,7 +5137,7 @@ static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv,
 	if (nla_put_flag(msg, NL80211_ATTR_IFACE_SOCKET_OWNER))
 		goto fail;
 
-	ret = send_and_recv_msgs(drv, msg, handler, arg);
+	ret = send_and_recv_msgs(drv, msg, handler, arg, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 	fail:
@@ -5291,7 +5312,7 @@ static int nl80211_tx_control_port(void *priv, const u8 *dest,
 		return -ENOBUFS;
 	}
 
-	ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL, NULL, NULL);
 	if (ret)
 		wpa_printf(MSG_DEBUG,
 			   "nl80211: tx_control_port failed: ret=%d (%s)",
@@ -5447,7 +5468,7 @@ static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
 	if (nla_put(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd))
 		goto fail;
 
-	return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
+	return send_and_recv_msgs(bss->drv, msg, NULL, NULL, NULL, NULL);
 fail:
 	nlmsg_free(msg);
 	return -ENOBUFS;
@@ -5469,7 +5490,7 @@ static int driver_nl80211_sta_set_airtime_weight(void *priv, const u8 *addr,
 	    nla_put_u16(msg, NL80211_ATTR_AIRTIME_WEIGHT, weight))
 		goto fail;
 
-	return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
+	return send_and_recv_msgs(bss->drv, msg, NULL, NULL, NULL, NULL);
 fail:
 	nlmsg_free(msg);
 	return -ENOBUFS;
@@ -5515,7 +5536,7 @@ static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
 	msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_IBSS);
 	ret = send_and_recv_msgs_owner(drv, msg,
 				       get_connect_handle(drv->first_bss), 1,
-				       NULL, NULL);
+				       NULL, NULL, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: Leave IBSS failed: ret=%d "
 			   "(%s)", ret, strerror(-ret));
@@ -5649,7 +5670,7 @@ retry:
 
 	ret = send_and_recv_msgs_owner(drv, msg,
 				       get_connect_handle(drv->first_bss), 1,
-				       NULL, NULL);
+				       NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: Join IBSS failed: ret=%d (%s)",
@@ -6051,7 +6072,7 @@ skip_auth_type:
 		goto fail;
 
 	ret = send_and_recv_msgs_owner(drv, msg, nl_connect, 1, NULL,
-				       (void *) -1);
+				       (void *) -1, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: MLME connect failed: ret=%d "
@@ -6167,7 +6188,7 @@ static int wpa_driver_nl80211_associate(
 
 	ret = send_and_recv_msgs_owner(drv, msg,
 				       get_connect_handle(drv->first_bss), 1,
-				       NULL, NULL);
+				       NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_dbg(drv->ctx, MSG_DEBUG,
@@ -6198,7 +6219,7 @@ static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
 	if (!msg || nla_put_u32(msg, NL80211_ATTR_IFTYPE, mode))
 		goto fail;
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (!ret)
 		return 0;
@@ -6459,7 +6480,7 @@ static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
 		return -ENOBUFS;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (!ret)
 		return 0;
 	wpa_printf(MSG_DEBUG, "nl80211: Failed to set STA flag: %d (%s)",
@@ -6524,7 +6545,7 @@ static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
 
 	memset(seq, 0, 6);
 
-	return send_and_recv_msgs(drv, msg, get_key_handler, seq);
+	return send_and_recv_msgs(drv, msg, get_key_handler, seq, NULL, NULL);
 }
 
 
@@ -6547,7 +6568,7 @@ static int i802_set_rts(void *priv, int rts)
 		return -ENOBUFS;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (!ret)
 		return 0;
 	wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: "
@@ -6575,7 +6596,7 @@ static int i802_set_frag(void *priv, int frag)
 		return -ENOBUFS;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (!ret)
 		return 0;
 	wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold "
@@ -6597,7 +6618,7 @@ static int i802_flush(void *priv)
 	 * XXX: FIX! this needs to flush all VLANs too
 	 */
 	msg = nl80211_bss_msg(bss, 0, NL80211_CMD_DEL_STATION);
-	res = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
+	res = send_and_recv_msgs(bss->drv, msg, NULL, NULL, NULL, NULL);
 	if (res) {
 		wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d "
 			   "(%s)", res, strerror(-res));
@@ -6806,7 +6827,8 @@ static int i802_read_sta_data(struct i802_bss *bss,
 		return -ENOBUFS;
 	}
 
-	return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data);
+	return send_and_recv_msgs(bss->drv, msg, get_sta_handler, data,
+				  NULL, NULL);
 }
 
 
@@ -6863,7 +6885,7 @@ static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
 
 	nla_nest_end(msg, txq);
 
-	res = send_and_recv_msgs(drv, msg, NULL, NULL);
+	res = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	wpa_printf(MSG_DEBUG,
 		   "nl80211: TX queue param set: queue=%d aifs=%d cw_min=%d cw_max=%d burst_time=%d --> res=%d",
 		   queue, aifs, cw_min, cw_max, burst_time, res);
@@ -6896,7 +6918,7 @@ static int i802_set_sta_vlan(struct i802_bss *bss, const u8 *addr,
 		return -ENOBUFS;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret < 0) {
 		wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
 			   MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
@@ -7743,7 +7765,7 @@ static int nl80211_send_frame_cmd(struct i802_bss *bss,
 		goto fail;
 
 	cookie = 0;
-	ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
+	ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
@@ -7850,7 +7872,7 @@ static void nl80211_frame_wait_cancel(struct i802_bss *bss, u64 cookie)
 		return;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret)
 		wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
 			   "(%s)", ret, strerror(-ret));
@@ -7898,7 +7920,7 @@ static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
 	}
 
 	cookie = 0;
-	ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
+	ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie, NULL, NULL);
 	if (ret == 0) {
 		wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie "
 			   "0x%llx for freq=%u MHz duration=%u",
@@ -7938,7 +7960,7 @@ static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
 		return -1;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret == 0)
 		return 0;
 	wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: "
@@ -8035,7 +8057,7 @@ static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
 
 	nla_nest_end(msg, bands);
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d "
 			   "(%s)", ret, strerror(-ret));
@@ -8132,7 +8154,7 @@ static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis)
 	}
 	nla_nest_end(msg, cqm);
 
-	return send_and_recv_msgs(drv, msg, NULL, NULL);
+	return send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 }
 
 
@@ -8170,7 +8192,7 @@ static int nl80211_get_channel_width(struct wpa_driver_nl80211_data *drv,
 	struct nl_msg *msg;
 
 	msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_INTERFACE);
-	return send_and_recv_msgs(drv, msg, get_channel_width, sig);
+	return send_and_recv_msgs(drv, msg, get_channel_width, sig, NULL, NULL);
 }
 
 
@@ -8368,7 +8390,7 @@ static int nl80211_pmkid(struct i802_bss *bss, int cmd,
 		return -ENOBUFS;
 	}
 
-	return send_and_recv_msgs(bss->drv, msg, NULL, (void *) -1);
+	return send_and_recv_msgs(bss->drv, msg, NULL, (void *) -1, NULL, NULL);
 }
 
 
@@ -8433,7 +8455,7 @@ static int nl80211_flush_pmkid(void *priv)
 	msg = nl80211_bss_msg(bss, 0, NL80211_CMD_FLUSH_PMKSA);
 	if (!msg)
 		return -ENOBUFS;
-	return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
+	return send_and_recv_msgs(bss->drv, msg, NULL, NULL, NULL, NULL);
 }
 
 
@@ -8598,7 +8620,7 @@ static int wpa_driver_nl80211_get_survey(void *priv, unsigned int freq)
 	do {
 		wpa_printf(MSG_DEBUG, "nl80211: Fetch survey data");
 		err = send_and_recv_msgs(drv, msg, survey_handler,
-					 survey_results);
+					 survey_results, NULL, NULL);
 	} while (err > 0);
 
 	if (err)
@@ -8638,7 +8660,7 @@ static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
 
 	nla_nest_end(msg, replay_nested);
 
-	ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
+	ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1, NULL, NULL);
 	if (ret == -EOPNOTSUPP) {
 		wpa_printf(MSG_DEBUG,
 			   "nl80211: Driver does not support rekey offload");
@@ -8705,7 +8727,7 @@ static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr,
 		return;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
+	ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie, NULL, NULL);
 	if (ret < 0) {
 		wpa_printf(MSG_DEBUG, "nl80211: Client probe request for "
 			   MACSTR " failed: ret=%d (%s)",
@@ -8731,7 +8753,7 @@ static int nl80211_set_power_save(struct i802_bss *bss, int enabled)
 		return -ENOBUFS;
 	}
 
-	ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(bss->drv, msg, NULL, NULL, NULL, NULL);
 	if (ret < 0) {
 		wpa_printf(MSG_DEBUG,
 			   "nl80211: Setting PS state %s failed: %d (%s)",
@@ -8791,7 +8813,7 @@ static int nl80211_start_radar_detection(void *priv,
 		return -1;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret == 0)
 		return 0;
 	wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
@@ -8838,7 +8860,7 @@ static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code,
 	    nla_put(msg, NL80211_ATTR_IE, len, buf))
 		goto fail;
 
-	return send_and_recv_msgs(drv, msg, NULL, NULL);
+	return send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 
 fail:
 	nlmsg_free(msg);
@@ -8888,7 +8910,7 @@ static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer)
 		return -ENOBUFS;
 	}
 
-	res = send_and_recv_msgs(drv, msg, NULL, NULL);
+	res = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	wpa_printf(MSG_DEBUG, "nl80211: TDLS_OPER: oper=%d mac=" MACSTR
 		   " --> res=%d (%s)", nl80211_oper, MAC2STR(peer), res,
 		   strerror(-res));
@@ -8922,7 +8944,7 @@ nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
 		return ret;
 	}
 
-	return send_and_recv_msgs(drv, msg, NULL, NULL);
+	return send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 }
 
 
@@ -8948,7 +8970,7 @@ nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
 		return -ENOBUFS;
 	}
 
-	return send_and_recv_msgs(drv, msg, NULL, NULL);
+	return send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 }
 
 #endif /* CONFIG TDLS */
@@ -9091,7 +9113,7 @@ static int wpa_driver_nl80211_update_ft_ies(void *priv, const u8 *md,
 		return -ENOBUFS;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: update_ft_ies failed "
 			   "err=%d (%s)", ret, strerror(-ret));
@@ -9119,7 +9141,7 @@ static int nl80211_update_dh_ie(void *priv, const u8 *peer_mac,
 		return -ENOBUFS;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG,
 			   "nl80211: update_dh_ie failed err=%d (%s)",
@@ -9324,7 +9346,7 @@ static int wpa_driver_nl80211_status(void *priv, char *buf, size_t buflen)
 	    nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG) &&
 	    nla_put_u32(msg, NL80211_ATTR_WIPHY, drv->wiphy_idx) == 0) {
 		if (send_and_recv_msgs(drv, msg, nl80211_get_country,
-				       alpha2) == 0 &&
+				       alpha2, NULL, NULL) == 0 &&
 		    alpha2[0]) {
 			res = os_snprintf(pos, end - pos, "country=%s\n",
 					  alpha2);
@@ -9475,7 +9497,7 @@ static int nl80211_switch_channel(void *priv, struct csa_settings *settings)
 		goto fail;
 
 	nla_nest_end(msg, beacon_csa);
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: switch_channel failed err=%d (%s)",
 			   ret, strerror(-ret));
@@ -9516,7 +9538,7 @@ static int nl80211_add_ts(void *priv, u8 tsid, const u8 *addr,
 		return -ENOBUFS;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret)
 		wpa_printf(MSG_DEBUG, "nl80211: add_ts failed err=%d (%s)",
 			   ret, strerror(-ret));
@@ -9543,7 +9565,7 @@ static int nl80211_del_ts(void *priv, u8 tsid, const u8 *addr)
 		return -ENOBUFS;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret)
 		wpa_printf(MSG_DEBUG, "nl80211: del_ts failed err=%d (%s)",
 			   ret, strerror(-ret));
@@ -9628,7 +9650,8 @@ static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
 		 * of send_and_recv_msgs(). */
 		ret = send_and_recv_msgs_owner(drv, msg,
 					       get_connect_handle(bss), 0,
-					       cmd_reply_handler, buf);
+					       cmd_reply_handler, buf,
+					       NULL, NULL);
 		if (ret)
 			wpa_printf(MSG_DEBUG, "nl80211: command failed err=%d",
 				   ret);
@@ -9643,7 +9666,8 @@ static int nl80211_vendor_cmd(void *priv, unsigned int vendor_id,
 	     nla_put(msg, NL80211_ATTR_VENDOR_DATA, data_len, data)))
 		goto fail;
 
-	ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf);
+	ret = send_and_recv_msgs(drv, msg, vendor_reply_handler, buf,
+				 NULL, NULL);
 	if (ret)
 		wpa_printf(MSG_DEBUG, "nl80211: vendor command failed err=%d",
 			   ret);
@@ -9672,7 +9696,7 @@ static int nl80211_set_qos_map(void *priv, const u8 *qos_map_set,
 		return -ENOBUFS;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret)
 		wpa_printf(MSG_DEBUG, "nl80211: Setting QoS Map failed");
 
@@ -9707,7 +9731,8 @@ static int nl80211_get_wowlan(void *priv)
 
 	msg = nl80211_drv_msg(drv, 0, NL80211_CMD_GET_WOWLAN);
 
-	ret = send_and_recv_msgs(drv, msg, get_wowlan_handler, &wowlan_enabled);
+	ret = send_and_recv_msgs(drv, msg, get_wowlan_handler, &wowlan_enabled,
+				 NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: Getting wowlan status failed");
 		return 0;
@@ -9754,7 +9779,7 @@ static int nl80211_set_wowlan(void *priv,
 
 	nla_nest_end(msg, wowlan_triggers);
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret)
 		wpa_printf(MSG_DEBUG, "nl80211: Setting wowlan failed");
 
@@ -9793,7 +9818,7 @@ static int nl80211_roaming(void *priv, int allowed, const u8 *bssid)
 	}
 	nla_nest_end(msg, params);
 
-	return send_and_recv_msgs(drv, msg, NULL, NULL);
+	return send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 }
 
 
@@ -9821,7 +9846,7 @@ static int nl80211_disable_fils(void *priv, int disable)
 	}
 	nla_nest_end(msg, params);
 
-	return send_and_recv_msgs(drv, msg, NULL, NULL);
+	return send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 }
 
 
@@ -9877,7 +9902,7 @@ static int nl80211_set_bssid_blacklist(void *priv, unsigned int num_bssid,
 	nla_nest_end(msg, nlbssids);
 	nla_nest_end(msg, params);
 
-	return send_and_recv_msgs(drv, msg, NULL, NULL);
+	return send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 
 fail:
 	nlmsg_free(msg);
@@ -9915,7 +9940,7 @@ static int nl80211_add_sta_node(void *priv, const u8 *addr, u16 auth_alg)
 	}
 	nla_nest_end(msg, params);
 
-	return send_and_recv_msgs(drv, msg, NULL, NULL);
+	return send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 }
 
 #endif /* CONFIG_DRIVER_NL80211_QCA */
@@ -10084,7 +10109,7 @@ static int nl80211_join_mesh(struct i802_bss *bss,
 		goto fail;
 
 	ret = send_and_recv_msgs_owner(drv, msg, get_connect_handle(bss), 1,
-				       NULL, NULL);
+				       NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: mesh join failed: ret=%d (%s)",
@@ -10142,7 +10167,7 @@ static int wpa_driver_nl80211_leave_mesh(void *priv)
 	wpa_printf(MSG_DEBUG, "nl80211: mesh leave (ifindex=%d)", drv->ifindex);
 	msg = nl80211_drv_msg(drv, 0, NL80211_CMD_LEAVE_MESH);
 	ret = send_and_recv_msgs_owner(drv, msg, get_connect_handle(bss), 0,
-				       NULL, NULL);
+				       NULL, NULL, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: mesh leave failed: ret=%d (%s)",
 			   ret, strerror(-ret));
@@ -10176,7 +10201,7 @@ static int nl80211_probe_mesh_link(void *priv, const u8 *addr, const u8 *eth,
 		return -ENOBUFS;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: mesh link probe to " MACSTR
 			   " failed: ret=%d (%s)",
@@ -10588,7 +10613,7 @@ static int wpa_driver_do_acs(void *priv, struct drv_acs_params *params)
 		   params->hw_mode, params->ht_enabled, params->ht40_enabled,
 		   params->vht_enabled, params->ch_width, params->edmg_enabled);
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG,
 			   "nl80211: Failed to invoke driver ACS function: %s",
@@ -10635,7 +10660,7 @@ static int nl80211_set_band(void *priv, enum set_band band)
 	}
 	nla_nest_end(msg, data);
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG,
 			   "nl80211: Driver setband function failed: %s",
@@ -10768,7 +10793,8 @@ static int nl80211_get_pref_freq_list(void *priv,
 	nla_nest_end(msg, params);
 
 	os_memset(freq_list, 0, *num * sizeof(freq_list[0]));
-	ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param);
+	ret = send_and_recv_msgs(drv, msg, preferred_freq_info_handler, &param,
+				 NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_ERROR,
 			   "%s: err in send_and_recv_msgs", __func__);
@@ -10820,7 +10846,7 @@ static int nl80211_set_prob_oper_freq(void *priv, unsigned int freq)
 	}
 	nla_nest_end(msg, params);
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_printf(MSG_ERROR, "%s: err in send_and_recv_msgs",
@@ -10876,7 +10902,7 @@ static int nl80211_p2p_lo_start(void *priv, unsigned int freq,
 		goto fail;
 
 	nla_nest_end(msg, container);
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_printf(MSG_DEBUG,
@@ -10911,7 +10937,7 @@ static int nl80211_p2p_lo_stop(void *priv)
 		return -1;
 	}
 
-	return send_and_recv_msgs(drv, msg, NULL, NULL);
+	return send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 }
 
 
@@ -10950,7 +10976,7 @@ static int nl80211_set_tdls_mode(void *priv, int tdls_external_control)
 
 	nla_nest_end(msg, params);
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_printf(MSG_ERROR,
@@ -11143,7 +11169,7 @@ nl80211_get_bss_transition_status(void *priv, struct wpa_bss_trans_info *params)
 
 	ret = send_and_recv_msgs(drv, msg,
 				 nl80211_get_bss_transition_status_handler,
-				 info);
+				 info, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_printf(MSG_ERROR,
@@ -11196,7 +11222,7 @@ static int nl80211_ignore_assoc_disallow(void *priv, int ignore_disallow)
 
 	nla_nest_end(msg, attr);
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_printf(MSG_ERROR,
@@ -11399,7 +11425,7 @@ static int nl80211_update_connection_params(
 	    nl80211_put_fils_connect_params(drv, params, msg))
 		goto fail;
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (ret)
 		wpa_dbg(drv->ctx, MSG_DEBUG,
@@ -11442,7 +11468,7 @@ static int nl80211_send_external_auth_status(void *priv,
 	    (params->bssid &&
 	     nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid)))
 		goto fail;
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_printf(MSG_DEBUG,
@@ -11482,7 +11508,7 @@ static int nl80211_set_4addr_mode(void *priv, const char *bridge_ifname,
 		bss->added_if_into_bridge = 0;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (!ret) {
 		if (bridge_ifname[0] && val &&
diff --git a/src/drivers/driver_nl80211.h b/src/drivers/driver_nl80211.h
index 1dd5aee8b..e4cbcc6e2 100644
--- a/src/drivers/driver_nl80211.h
+++ b/src/drivers/driver_nl80211.h
@@ -231,7 +231,9 @@ struct nl_msg * nl80211_drv_msg(struct wpa_driver_nl80211_data *drv, int flags,
 struct nl_msg * nl80211_bss_msg(struct i802_bss *bss, int flags, uint8_t cmd);
 int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, struct nl_msg *msg,
 		       int (*valid_handler)(struct nl_msg *, void *),
-		       void *valid_data);
+		       void *valid_data,
+		       int (*ack_handler_custom)(struct nl_msg *, void *),
+		       void *ack_data);
 struct nl_sock * get_connect_handle(struct i802_bss *bss);
 int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
 			 const char *ifname, enum nl80211_iftype iftype,
diff --git a/src/drivers/driver_nl80211_capa.c b/src/drivers/driver_nl80211_capa.c
index b9eb6e220..5d2558153 100644
--- a/src/drivers/driver_nl80211_capa.c
+++ b/src/drivers/driver_nl80211_capa.c
@@ -49,7 +49,8 @@ static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv)
 		return 0;
 	}
 
-	if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0)
+	if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat,
+			       NULL, NULL) == 0)
 		return feat;
 
 	return 0;
@@ -1052,7 +1053,7 @@ static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
 		return -1;
 	}
 
-	if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
+	if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info, NULL, NULL))
 		return -1;
 
 	if (info->auth_supported)
@@ -1158,7 +1159,8 @@ static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
 		return;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability);
+	ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability,
+				 NULL, NULL);
 	if (!ret && dfs_capability)
 		drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
 }
@@ -1245,7 +1247,8 @@ static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
 
 	os_memset(&info, 0, sizeof(info));
 	info.capa = &drv->capa;
-	ret = send_and_recv_msgs(drv, msg, features_info_handler, &info);
+	ret = send_and_recv_msgs(drv, msg, features_info_handler, &info,
+				 NULL, NULL);
 	if (ret || !info.flags)
 		return;
 
@@ -2327,7 +2330,8 @@ static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
 		}
 	}
 
-	return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
+	return send_and_recv_msgs(drv, msg, nl80211_get_reg, results,
+				  NULL, NULL);
 }
 
 
@@ -2416,7 +2420,8 @@ nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags,
 		return NULL;
 	}
 
-	if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
+	if (send_and_recv_msgs(drv, msg, phy_info_handler, &result,
+			       NULL, NULL) == 0) {
 		struct hostapd_hw_modes *modes;
 
 		nl80211_set_regulatory_flags(drv, &result);
diff --git a/src/drivers/driver_nl80211_scan.c b/src/drivers/driver_nl80211_scan.c
index dc91a2901..233175d19 100644
--- a/src/drivers/driver_nl80211_scan.c
+++ b/src/drivers/driver_nl80211_scan.c
@@ -82,7 +82,8 @@ static int nl80211_get_noise_for_scan_results(
 
 	os_memset(info, 0, sizeof(*info));
 	msg = nl80211_drv_msg(drv, NLM_F_DUMP, NL80211_CMD_GET_SURVEY);
-	return send_and_recv_msgs(drv, msg, get_noise_for_scan_results, info);
+	return send_and_recv_msgs(drv, msg, get_noise_for_scan_results, info,
+				  NULL, NULL);
 }
 
 
@@ -94,7 +95,7 @@ static int nl80211_abort_scan(struct i802_bss *bss)
 
 	wpa_printf(MSG_DEBUG, "nl80211: Abort scan");
 	msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_ABORT_SCAN);
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: Abort scan failed: ret=%d (%s)",
 			   ret, strerror(-ret));
@@ -125,7 +126,7 @@ static int nl80211_abort_vendor_scan(struct wpa_driver_nl80211_data *drv,
 
 	nla_nest_end(msg, params);
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_printf(MSG_INFO,
@@ -365,7 +366,7 @@ int wpa_driver_nl80211_scan(struct i802_bss *bss,
 			goto fail;
 	}
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d "
@@ -618,7 +619,7 @@ int wpa_driver_nl80211_sched_scan(void *priv,
 			params->sched_scan_start_delay))
 		goto fail;
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 
 	/* TODO: if we get an error here, we should fall back to normal scan */
 
@@ -655,7 +656,7 @@ int wpa_driver_nl80211_stop_sched_scan(void *priv)
 #endif /* ANDROID */
 
 	msg = nl80211_drv_msg(drv, 0, NL80211_CMD_STOP_SCHED_SCAN);
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG,
 			   "nl80211: Sched scan stop failed: ret=%d (%s)",
@@ -944,7 +945,7 @@ try_again:
 
 	arg.drv = drv;
 	arg.res = res;
-	ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
+	ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg, NULL, NULL);
 	if (ret == -EAGAIN) {
 		count++;
 		if (count >= 10) {
@@ -1028,7 +1029,8 @@ void nl80211_dump_scan(struct wpa_driver_nl80211_data *drv)
 	ctx.idx = 0;
 	msg = nl80211_cmd_msg(drv->first_bss, NLM_F_DUMP, NL80211_CMD_GET_SCAN);
 	if (msg)
-		send_and_recv_msgs(drv, msg, nl80211_dump_scan_handler, &ctx);
+		send_and_recv_msgs(drv, msg, nl80211_dump_scan_handler, &ctx,
+				   NULL, NULL);
 }
 
 
@@ -1221,7 +1223,8 @@ int wpa_driver_nl80211_vendor_scan(struct i802_bss *bss,
 
 	nla_nest_end(msg, attr);
 
-	ret = send_and_recv_msgs(drv, msg, scan_cookie_handler, &cookie);
+	ret = send_and_recv_msgs(drv, msg, scan_cookie_handler, &cookie,
+				 NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_printf(MSG_DEBUG,
@@ -1284,7 +1287,7 @@ int nl80211_set_default_scan_ies(void *priv, const u8 *ies, size_t ies_len)
 
 	nla_nest_end(msg, attr);
 
-	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	ret = send_and_recv_msgs(drv, msg, NULL, NULL, NULL, NULL);
 	msg = NULL;
 	if (ret) {
 		wpa_printf(MSG_ERROR,