--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -678,6 +678,7 @@ struct qeth_card_options {
 	int performance_stats;
 	int rx_sg_cb;
 	enum qeth_ipa_isolation_modes isolation;
+	enum qeth_ipa_isolation_modes prev_isolation;
 	int sniffer;
 	enum qeth_cq cq;
 	char hsuid[9];
@@ -789,6 +790,7 @@ struct qeth_card {
 	struct qeth_rx rx;
 	struct delayed_work buffer_reclaim_work;
 	int reclaim_index;
+	struct work_struct close_dev_work;
 };
 
 struct qeth_card_list_struct {
@@ -925,12 +927,13 @@ void qeth_core_get_strings(struct net_de
 void qeth_core_get_drvinfo(struct net_device *, struct ethtool_drvinfo *);
 void qeth_dbf_longtext(debug_info_t *id, int level, char *text, ...);
 int qeth_core_ethtool_get_settings(struct net_device *, struct ethtool_cmd *);
-int qeth_set_access_ctrl_online(struct qeth_card *card);
+int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback);
 int qeth_hdr_chk_and_bounce(struct sk_buff *, int);
 int qeth_configure_cq(struct qeth_card *, enum qeth_cq);
 int qeth_hw_trap(struct qeth_card *, enum qeth_diags_trap_action);
 int qeth_query_ipassists(struct qeth_card *, enum qeth_prot_versions prot);
 void qeth_trace_features(struct qeth_card *);
+void qeth_close_dev(struct qeth_card *);
 
 /* exports for OSN */
 int qeth_osn_assist(struct net_device *, void *, int);
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -68,6 +68,27 @@ static void qeth_clear_output_buffer(str
 		enum qeth_qdio_buffer_states newbufstate);
 static int qeth_init_qdio_out_buf(struct qeth_qdio_out_q *, int);
 
+static struct workqueue_struct *qeth_wq;
+
+static void qeth_close_dev_handler(struct work_struct *work)
+{
+	struct qeth_card *card;
+
+	card = container_of(work, struct qeth_card, close_dev_work);
+	QETH_CARD_TEXT(card, 2, "cldevhdl");
+	rtnl_lock();
+	dev_close(card->dev);
+	rtnl_unlock();
+	ccwgroup_set_offline(card->gdev);
+}
+
+void qeth_close_dev(struct qeth_card *card)
+{
+	QETH_CARD_TEXT(card, 2, "cldevsubm");
+	queue_work(qeth_wq, &card->close_dev_work);
+}
+EXPORT_SYMBOL_GPL(qeth_close_dev);
+
 static inline const char *qeth_get_cardname(struct qeth_card *card)
 {
 	if (card->info.guestlan) {
@@ -542,11 +563,23 @@ static struct qeth_ipa_cmd *qeth_check_i
 		} else {
 			switch (cmd->hdr.command) {
 			case IPA_CMD_STOPLAN:
-				dev_warn(&card->gdev->dev,
+				if (cmd->hdr.return_code ==
+						IPA_RC_VEPA_TO_VEB_TRANSITION) {
+					dev_err(&card->gdev->dev,
+					   "Interface %s is down because the "
+					   "adjacent port is no longer in "
+					   "reflective relay mode\n",
+					   QETH_CARD_IFNAME(card));
+					qeth_close_dev(card);
+				} else {
+					dev_warn(&card->gdev->dev,
 					   "The link for interface %s on CHPID"
 					   " 0x%X failed\n",
 					   QETH_CARD_IFNAME(card),
 					   card->info.chpid);
+					qeth_issue_ipa_msg(cmd,
+						cmd->hdr.return_code, card);
+				}
 				card->lan_online = 0;
 				if (card->dev && netif_carrier_ok(card->dev))
 					netif_carrier_off(card->dev);
@@ -1416,6 +1449,7 @@ static int qeth_setup_card(struct qeth_c
 	/* init QDIO stuff */
 	qeth_init_qdio_info(card);
 	INIT_DELAYED_WORK(&card->buffer_reclaim_work, qeth_buffer_reclaim_work);
+	INIT_WORK(&card->close_dev_work, qeth_close_dev_handler);
 	return 0;
 }
 
@@ -4057,6 +4091,7 @@ static int qeth_setadpparms_set_access_c
 {
 	struct qeth_ipa_cmd *cmd;
 	struct qeth_set_access_ctrl *access_ctrl_req;
+	int fallback = *(int *)reply->param;
 
 	QETH_CARD_TEXT(card, 4, "setaccb");
 
@@ -4066,12 +4101,14 @@ static int qeth_setadpparms_set_access_c
 	QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name);
 	QETH_DBF_TEXT_(SETUP, 2, "rc=%d",
 		cmd->data.setadapterparms.hdr.return_code);
+	if (cmd->data.setadapterparms.hdr.return_code !=
+						SET_ACCESS_CTRL_RC_SUCCESS)
+		QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n",
+				card->gdev->dev.kobj.name,
+				access_ctrl_req->subcmd_code,
+				cmd->data.setadapterparms.hdr.return_code);
 	switch (cmd->data.setadapterparms.hdr.return_code) {
 	case SET_ACCESS_CTRL_RC_SUCCESS:
-	case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED:
-	case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED:
-	{
-		card->options.isolation = access_ctrl_req->subcmd_code;
 		if (card->options.isolation == ISOLATION_MODE_NONE) {
 			dev_info(&card->gdev->dev,
 			    "QDIO data connection isolation is deactivated\n");
@@ -4079,72 +4116,64 @@ static int qeth_setadpparms_set_access_c
 			dev_info(&card->gdev->dev,
 			    "QDIO data connection isolation is activated\n");
 		}
-		QETH_DBF_MESSAGE(3, "OK:SET_ACCESS_CTRL(%s, %d)==%d\n",
-			card->gdev->dev.kobj.name,
-			access_ctrl_req->subcmd_code,
-			cmd->data.setadapterparms.hdr.return_code);
 		break;
-	}
+	case SET_ACCESS_CTRL_RC_ALREADY_NOT_ISOLATED:
+		QETH_DBF_MESSAGE(2, "%s QDIO data connection isolation already "
+				"deactivated\n", dev_name(&card->gdev->dev));
+		if (fallback)
+			card->options.isolation = card->options.prev_isolation;
+		break;
+	case SET_ACCESS_CTRL_RC_ALREADY_ISOLATED:
+		QETH_DBF_MESSAGE(2, "%s QDIO data connection isolation already"
+				" activated\n", dev_name(&card->gdev->dev));
+		if (fallback)
+			card->options.isolation = card->options.prev_isolation;
+		break;
 	case SET_ACCESS_CTRL_RC_NOT_SUPPORTED:
-	{
-		QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_CTRL(%s,%d)==%d\n",
-			card->gdev->dev.kobj.name,
-			access_ctrl_req->subcmd_code,
-			cmd->data.setadapterparms.hdr.return_code);
 		dev_err(&card->gdev->dev, "Adapter does not "
 			"support QDIO data connection isolation\n");
-
-		/* ensure isolation mode is "none" */
-		card->options.isolation = ISOLATION_MODE_NONE;
 		break;
-	}
 	case SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER:
-	{
-		QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n",
-			card->gdev->dev.kobj.name,
-			access_ctrl_req->subcmd_code,
-			cmd->data.setadapterparms.hdr.return_code);
 		dev_err(&card->gdev->dev,
 			"Adapter is dedicated. "
 			"QDIO data connection isolation not supported\n");
-
-		/* ensure isolation mode is "none" */
-		card->options.isolation = ISOLATION_MODE_NONE;
+		if (fallback)
+			card->options.isolation = card->options.prev_isolation;
 		break;
-	}
 	case SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF:
-	{
-		QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d\n",
-			card->gdev->dev.kobj.name,
-			access_ctrl_req->subcmd_code,
-			cmd->data.setadapterparms.hdr.return_code);
 		dev_err(&card->gdev->dev,
 			"TSO does not permit QDIO data connection isolation\n");
-
-		/* ensure isolation mode is "none" */
-		card->options.isolation = ISOLATION_MODE_NONE;
+		if (fallback)
+			card->options.isolation = card->options.prev_isolation;
+		break;
+	case SET_ACCESS_CTRL_RC_REFLREL_UNSUPPORTED:
+		dev_err(&card->gdev->dev, "The adjacent switch port does not "
+			"support reflective relay mode\n");
+		if (fallback)
+			card->options.isolation = card->options.prev_isolation;
+		break;
+	case SET_ACCESS_CTRL_RC_REFLREL_FAILED:
+		dev_err(&card->gdev->dev, "The reflective relay mode cannot be "
+					"enabled at the adjacent switch port");
+		if (fallback)
+			card->options.isolation = card->options.prev_isolation;
+		break;
+	case SET_ACCESS_CTRL_RC_REFLREL_DEACT_FAILED:
+		dev_warn(&card->gdev->dev, "Turning off reflective relay mode "
+					"at the adjacent switch failed\n");
 		break;
-	}
 	default:
-	{
 		/* this should never happen */
-		QETH_DBF_MESSAGE(3, "ERR:SET_ACCESS_MODE(%s,%d)==%d"
-			"==UNKNOWN\n",
-			card->gdev->dev.kobj.name,
-			access_ctrl_req->subcmd_code,
-			cmd->data.setadapterparms.hdr.return_code);
-
-		/* ensure isolation mode is "none" */
-		card->options.isolation = ISOLATION_MODE_NONE;
+		if (fallback)
+			card->options.isolation = card->options.prev_isolation;
 		break;
 	}
-	}
 	qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd);
 	return 0;
 }
 
 static int qeth_setadpparms_set_access_ctrl(struct qeth_card *card,
-		enum qeth_ipa_isolation_modes isolation)
+		enum qeth_ipa_isolation_modes isolation, int fallback)
 {
 	int rc;
 	struct qeth_cmd_buffer *iob;
@@ -4164,12 +4193,12 @@ static int qeth_setadpparms_set_access_c
 	access_ctrl_req->subcmd_code = isolation;
 
 	rc = qeth_send_ipa_cmd(card, iob, qeth_setadpparms_set_access_ctrl_cb,
-			       NULL);
+			       &fallback);
 	QETH_DBF_TEXT_(SETUP, 2, "rc=%d", rc);
 	return rc;
 }
 
-int qeth_set_access_ctrl_online(struct qeth_card *card)
+int qeth_set_access_ctrl_online(struct qeth_card *card, int fallback)
 {
 	int rc = 0;
 
@@ -4179,12 +4208,13 @@ int qeth_set_access_ctrl_online(struct q
 	     card->info.type == QETH_CARD_TYPE_OSX) &&
 	     qeth_adp_supported(card, IPA_SETADP_SET_ACCESS_CONTROL)) {
 		rc = qeth_setadpparms_set_access_ctrl(card,
-			card->options.isolation);
+			card->options.isolation, fallback);
 		if (rc) {
 			QETH_DBF_MESSAGE(3,
 				"IPA(SET_ACCESS_CTRL,%s,%d) sent failed\n",
 				card->gdev->dev.kobj.name,
 				rc);
+			rc = -EOPNOTSUPP;
 		}
 	} else if (card->options.isolation != ISOLATION_MODE_NONE) {
 		card->options.isolation = ISOLATION_MODE_NONE;
@@ -5552,6 +5582,8 @@ static int __init qeth_core_init(void)
 	rwlock_init(&qeth_core_card_list.rwlock);
 	mutex_init(&qeth_mod_mutex);
 
+	qeth_wq = create_singlethread_workqueue("qeth_wq");
+
 	rc = qeth_register_dbf_views();
 	if (rc)
 		goto out_err;
@@ -5598,6 +5630,7 @@ out_err:
 
 static void __exit qeth_core_exit(void)
 {
+	destroy_workqueue(qeth_wq);
 	ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver);
 	ccw_driver_unregister(&qeth_ccw_driver);
 	kmem_cache_destroy(qeth_qdio_outbuf_cache);
--- a/drivers/s390/net/qeth_core_mpc.c
+++ b/drivers/s390/net/qeth_core_mpc.c
@@ -204,6 +204,7 @@ static struct ipa_rc_msg qeth_ipa_rc_msg
 	{IPA_RC_INVALID_SETRTG_INDICATOR, "Invalid SETRTG indicator"},
 	{IPA_RC_MC_ADDR_ALREADY_DEFINED, "Multicast address already defined"},
 	{IPA_RC_LAN_OFFLINE,		"STRTLAN_LAN_DISABLED - LAN offline"},
+	{IPA_RC_VEPA_TO_VEB_TRANSITION,	"Adj. switch disabled port mode RR"},
 	{IPA_RC_INVALID_IP_VERSION2,	"Invalid IP version"},
 	{IPA_RC_ENOMEM,			"Memory problem"},
 	{IPA_RC_FFFF,			"Unknown Error"}
--- a/drivers/s390/net/qeth_core_mpc.h
+++ b/drivers/s390/net/qeth_core_mpc.h
@@ -177,6 +177,7 @@ enum qeth_ipa_return_codes {
 	IPA_RC_INVALID_SETRTG_INDICATOR	= 0xe012,
 	IPA_RC_MC_ADDR_ALREADY_DEFINED	= 0xe013,
 	IPA_RC_LAN_OFFLINE		= 0xe080,
+	IPA_RC_VEPA_TO_VEB_TRANSITION	= 0xe090,
 	IPA_RC_INVALID_IP_VERSION2	= 0xf001,
 	IPA_RC_ENOMEM			= 0xfffe,
 	IPA_RC_FFFF			= 0xffff
@@ -269,6 +270,9 @@ enum qeth_ipa_set_access_mode_rc {
 	SET_ACCESS_CTRL_RC_ALREADY_ISOLATED	= 0x0010,
 	SET_ACCESS_CTRL_RC_NONE_SHARED_ADAPTER	= 0x0014,
 	SET_ACCESS_CTRL_RC_ACTIVE_CHECKSUM_OFF	= 0x0018,
+	SET_ACCESS_CTRL_RC_REFLREL_UNSUPPORTED	= 0x0022,
+	SET_ACCESS_CTRL_RC_REFLREL_FAILED	= 0x0024,
+	SET_ACCESS_CTRL_RC_REFLREL_DEACT_FAILED	= 0x0028,
 };
 
 
@@ -386,6 +390,7 @@ struct qeth_snmp_ureq {
 /* SET_ACCESS_CONTROL: same format for request and reply */
 struct qeth_set_access_ctrl {
 	__u32 subcmd_code;
+	__u8 reserved[8];
 } __attribute__((packed));
 
 struct qeth_query_oat {
--- a/drivers/s390/net/qeth_core_sys.c
+++ b/drivers/s390/net/qeth_core_sys.c
@@ -513,10 +513,11 @@ static ssize_t qeth_dev_isolation_store(
 	rc = count;
 
 	/* defer IP assist if device is offline (until discipline->set_online)*/
+	card->options.prev_isolation = card->options.isolation;
 	card->options.isolation = isolation;
 	if (card->state == CARD_STATE_SOFTSETUP ||
 	    card->state == CARD_STATE_UP) {
-		int ipa_rc = qeth_set_access_ctrl_online(card);
+		int ipa_rc = qeth_set_access_ctrl_online(card, 1);
 		if (ipa_rc != 0)
 			rc = ipa_rc;
 	}
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -1025,9 +1025,14 @@ static int __qeth_l2_set_online(struct c
 
 contin:
 	if ((card->info.type == QETH_CARD_TYPE_OSD) ||
-	    (card->info.type == QETH_CARD_TYPE_OSX))
+	    (card->info.type == QETH_CARD_TYPE_OSX)) {
 		/* configure isolation level */
-		qeth_set_access_ctrl_online(card);
+		rc = qeth_set_access_ctrl_online(card, 0);
+		if (rc) {
+			rc = -ENODEV;
+			goto out_remove;
+		}
+	}
 
 	if (card->info.type != QETH_CARD_TYPE_OSN &&
 	    card->info.type != QETH_CARD_TYPE_OSM)
@@ -1144,12 +1149,9 @@ static int qeth_l2_recover(void *ptr)
 		dev_info(&card->gdev->dev,
 			"Device successfully recovered!\n");
 	else {
-		if (rtnl_trylock()) {
-			dev_close(card->dev);
-			rtnl_unlock();
-			dev_warn(&card->gdev->dev, "The qeth device driver "
+		qeth_close_dev(card);
+		dev_warn(&card->gdev->dev, "The qeth device driver "
 				"failed to recover an error on the device\n");
-		}
 	}
 	qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
 	qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1449,7 +1449,8 @@ static int qeth_l3_start_ipassists(struc
 {
 	QETH_CARD_TEXT(card, 3, "strtipas");
 
-	qeth_set_access_ctrl_online(card);	/* go on*/
+	if (qeth_set_access_ctrl_online(card, 0))
+		return -EIO;
 	qeth_l3_start_ipa_arp_processing(card);	/* go on*/
 	qeth_l3_start_ipa_ip_fragmentation(card);	/* go on*/
 	qeth_l3_start_ipa_source_mac(card);	/* go on*/
@@ -3388,8 +3389,10 @@ contin:
 		QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
 	if (!card->options.sniffer) {
 		rc = qeth_l3_start_ipassists(card);
-		if (rc)
+		if (rc) {
 			QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
+			goto out_remove;
+		}
 		rc = qeth_l3_setrouting_v4(card);
 		if (rc)
 			QETH_DBF_TEXT_(SETUP, 2, "4err%d", rc);
@@ -3511,12 +3514,9 @@ static int qeth_l3_recover(void *ptr)
 		dev_info(&card->gdev->dev,
 			"Device successfully recovered!\n");
 	else {
-		if (rtnl_trylock()) {
-			dev_close(card->dev);
-			rtnl_unlock();
-			dev_warn(&card->gdev->dev, "The qeth device driver "
+		qeth_close_dev(card);
+		dev_warn(&card->gdev->dev, "The qeth device driver "
 				"failed to recover an error on the device\n");
-		}
 	}
 	qeth_clear_thread_start_bit(card, QETH_RECOVER_THREAD);
 	qeth_clear_thread_running_bit(card, QETH_RECOVER_THREAD);
