Merge branch 'qeth'

Merge s390 networking changes from Frank Blaschka.
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/s390/net/Kconfig

@@ -74,8 +74,8 @@ config QETH
 	depends on CCW && NETDEVICES && IP_MULTICAST && QDIO
 	help
 	  This driver supports the IBM System z OSA Express adapters
-	  in QDIO mode (all media types), HiperSockets interfaces and VM GuestLAN
-	  interfaces in QDIO and HIPER mode.
+	  in QDIO mode (all media types), HiperSockets interfaces and z/VM
+	  virtual NICs for Guest LAN and VSWITCH.
 	
 	  For details please refer to the documentation provided by IBM at
 	  <http://www.ibm.com/developerworks/linux/linux390>

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 {
@@ -909,9 +911,6 @@ struct qeth_cmd_buffer *qeth_wait_for_buffer(struct qeth_channel *);
 int qeth_mdio_read(struct net_device *, int, int);
 int qeth_snmp_command(struct qeth_card *, char __user *);
 int qeth_query_oat_command(struct qeth_card *, char __user *);
-struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *, __u32, __u32);
-int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *,
-					unsigned long);
 int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *,
 	int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long),
 	void *reply_param);
@@ -928,12 +927,13 @@ void qeth_core_get_strings(struct net_device *, u32, u8 *);
 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);

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"}

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 {

drivers/s390/net/qeth_core_sys.c

@@ -513,10 +513,11 @@ static ssize_t qeth_dev_isolation_store(struct device *dev,
 	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;
 	}

drivers/s390/net/qeth_l2_main.c

@@ -1025,9 +1025,14 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 
 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)
@@ -1144,13 +1149,10 @@ 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();
+		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);
 	return 0;

drivers/s390/net/qeth_l3_main.c

@@ -1449,7 +1449,8 @@ static int qeth_l3_start_ipassists(struct qeth_card *card)
 {
 	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 @@ static int __qeth_l3_set_online(struct ccwgroup_device *gdev, int recovery_mode)
 		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);
@@ -3511,13 +3514,10 @@ 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();
+		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);
 	return 0;