s390: network patches for net-next

@@ -4765,14 +4765,14 @@ static struct ccw_driver qeth_ccw_driver
 
 int qeth_core_hardsetup_card(struct qeth_card *card)
 {
-	int retries = 0;
+	int retries = 3;
 	int rc;
 
 	QETH_DBF_TEXT(SETUP, 2, "hrdsetup");
 	atomic_set(&card->force_alloc_skb, 0);
 	qeth_update_from_chp_desc(card);
 retry:
-	if (retries)
+	if (retries < 3)
 		QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n",
 			dev_name(&card->gdev->dev));
 	ccw_device_set_offline(CARD_DDEV(card));

@@ -4794,7 +4794,7 @@ retriable:
 		return rc;
 	} else if (rc) {
 		QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
-		if (++retries > 3)
+		if (--retries < 0)
 			goto out;
 		else
 			goto retry;

@@ -909,9 +909,6 @@ struct qeth_cmd_buffer *qeth_wait_for_bu
 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);

@@ -2868,7 +2868,7 @@ int qeth_send_startlan(struct qeth_card
 }
 EXPORT_SYMBOL_GPL(qeth_send_startlan);
 
-int qeth_default_setadapterparms_cb(struct qeth_card *card,
+static int qeth_default_setadapterparms_cb(struct qeth_card *card,
 		struct qeth_reply *reply, unsigned long data)
 {
 	struct qeth_ipa_cmd *cmd;

@@ -2881,7 +2881,6 @@ int qeth_default_setadapterparms_cb(stru
 			cmd->data.setadapterparms.hdr.return_code;
 	return 0;
 }
-EXPORT_SYMBOL_GPL(qeth_default_setadapterparms_cb);
 
 static int qeth_query_setadapterparms_cb(struct qeth_card *card,
 		struct qeth_reply *reply, unsigned long data)

@@ -2901,7 +2900,7 @@ static int qeth_query_setadapterparms_cb
 	return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd);
 }
 
-struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *card,
+static struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *card,
 		__u32 command, __u32 cmdlen)
 {
 	struct qeth_cmd_buffer *iob;

@@ -2917,7 +2916,6 @@ struct qeth_cmd_buffer *qeth_get_adapter
 
 	return iob;
 }
-EXPORT_SYMBOL_GPL(qeth_get_adapter_cmd);
 
 int qeth_query_setadapterparms(struct qeth_card *card)
 {

@@ -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);

233 lines not on this page · raw message

@@ -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"}

@@ -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 {

@@ -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;
 	}

@@ -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);

@@ -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);

@@ -5122,13 +5122,81 @@ static const struct device_type qeth_osn
 	.groups = qeth_osn_attr_groups,
 };
 
+#define DBF_NAME_LEN	20
+
+struct qeth_dbf_entry {
+	char dbf_name[DBF_NAME_LEN];
+	debug_info_t *dbf_info;
+	struct list_head dbf_list;
+};
+
+static LIST_HEAD(qeth_dbf_list);
+static DEFINE_MUTEX(qeth_dbf_list_mutex);
+
+static debug_info_t *qeth_get_dbf_entry(char *name)
+{
+	struct qeth_dbf_entry *entry;
+	debug_info_t *rc = NULL;
+
+	mutex_lock(&qeth_dbf_list_mutex);
+	list_for_each_entry(entry, &qeth_dbf_list, dbf_list) {
+		if (strcmp(entry->dbf_name, name) == 0) {
+			rc = entry->dbf_info;
+			break;
+		}
+	}
+	mutex_unlock(&qeth_dbf_list_mutex);
+	return rc;
+}
+
+static int qeth_add_dbf_entry(struct qeth_card *card, char *name)
+{
+	struct qeth_dbf_entry *new_entry;
+
+	card->debug = debug_register(name, 2, 1, 8);
+	if (!card->debug) {
+		QETH_DBF_TEXT_(SETUP, 2, "%s", "qcdbf");
+		goto err;
+	}
+	if (debug_register_view(card->debug, &debug_hex_ascii_view))
+		goto err_dbg;
+	new_entry = kzalloc(sizeof(struct qeth_dbf_entry), GFP_KERNEL);
+	if (!new_entry)
+		goto err_dbg;
+	strncpy(new_entry->dbf_name, name, DBF_NAME_LEN);
+	new_entry->dbf_info = card->debug;
+	mutex_lock(&qeth_dbf_list_mutex);
+	list_add(&new_entry->dbf_list, &qeth_dbf_list);
+	mutex_unlock(&qeth_dbf_list_mutex);
+
+	return 0;
+
+err_dbg:
+	debug_unregister(card->debug);
+err:
+	return -ENOMEM;
+}
+
+static void qeth_clear_dbf_list(void)
+{
+	struct qeth_dbf_entry *entry, *tmp;
+
+	mutex_lock(&qeth_dbf_list_mutex);
+	list_for_each_entry_safe(entry, tmp, &qeth_dbf_list, dbf_list) {
+		list_del(&entry->dbf_list);
+		debug_unregister(entry->dbf_info);
+		kfree(entry);
+	}
+	mutex_unlock(&qeth_dbf_list_mutex);
+}
+
 static int qeth_core_probe_device(struct ccwgroup_device *gdev)
 {
 	struct qeth_card *card;
 	struct device *dev;
 	int rc;
 	unsigned long flags;
-	char dbf_name[20];
+	char dbf_name[DBF_NAME_LEN];
 
 	QETH_DBF_TEXT(SETUP, 2, "probedev");
 

@@ -5147,13 +5215,12 @@ static int qeth_core_probe_device(struct
 
 	snprintf(dbf_name, sizeof(dbf_name), "qeth_card_%s",
 		dev_name(&gdev->dev));
-	card->debug = debug_register(dbf_name, 2, 1, 8);
+	card->debug = qeth_get_dbf_entry(dbf_name);
 	if (!card->debug) {
-		QETH_DBF_TEXT_(SETUP, 2, "%s", "qcdbf");
-		rc = -ENOMEM;
-		goto err_card;
+		rc = qeth_add_dbf_entry(card, dbf_name);
+		if (rc)
+			goto err_card;
 	}
-	debug_register_view(card->debug, &debug_hex_ascii_view);
 
 	card->read.ccwdev  = gdev->cdev[0];
 	card->write.ccwdev = gdev->cdev[1];

@@ -5167,12 +5234,12 @@ static int qeth_core_probe_device(struct
 	rc = qeth_determine_card_type(card);
 	if (rc) {
 		QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc);
-		goto err_dbf;
+		goto err_card;
 	}
 	rc = qeth_setup_card(card);
 	if (rc) {
 		QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
-		goto err_dbf;
+		goto err_card;
 	}
 
 	if (card->info.type == QETH_CARD_TYPE_OSN)

@@ -5185,7 +5252,7 @@ static int qeth_core_probe_device(struct
 	case QETH_CARD_TYPE_OSM:
 		rc = qeth_core_load_discipline(card, QETH_DISCIPLINE_LAYER2);
 		if (rc)
-			goto err_dbf;
+			goto err_card;
 		rc = card->discipline->setup(card->gdev);
 		if (rc)
 			goto err_disc;

@@ -5204,8 +5271,6 @@ static int qeth_core_probe_device(struct
 
 err_disc:
 	qeth_core_free_discipline(card);
-err_dbf:
-	debug_unregister(card->debug);
 err_card:
 	qeth_core_free_card(card);
 err_dev:

@@ -5225,7 +5290,6 @@ static void qeth_core_remove_device(stru
 		qeth_core_free_discipline(card);
 	}
 
-	debug_unregister(card->debug);
 	write_lock_irqsave(&qeth_core_card_list.rwlock, flags);
 	list_del(&card->list);
 	write_unlock_irqrestore(&qeth_core_card_list.rwlock, flags);

@@ -5579,6 +5643,7 @@ static int __init qeth_core_init(void)
 
 	pr_info("loading core functions\n");
 	INIT_LIST_HEAD(&qeth_core_card_list.list);
+	INIT_LIST_HEAD(&qeth_dbf_list);
 	rwlock_init(&qeth_core_card_list.rwlock);
 	mutex_init(&qeth_mod_mutex);
 

@@ -5630,6 +5695,7 @@ out_err:
 
 static void __exit qeth_core_exit(void)
 {
+	qeth_clear_dbf_list();
 	destroy_workqueue(qeth_wq);
 	ccwgroup_driver_unregister(&qeth_core_ccwgroup_driver);
 	ccw_driver_unregister(&qeth_ccw_driver);

@@ -4700,7 +4700,7 @@ static int qeth_qdio_establish(struct qe
 	init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
 	init_data.output_sbal_state_array = card->qdio.out_bufstates;
 	init_data.scan_threshold =
-		(card->info.type == QETH_CARD_TYPE_IQD) ? 8 : 32;
+		(card->info.type == QETH_CARD_TYPE_IQD) ? 1 : 32;
 
 	if (atomic_cmpxchg(&card->qdio.state, QETH_QDIO_ALLOCATED,
 		QETH_QDIO_ESTABLISHED) == QETH_QDIO_ALLOCATED) {