drivers/s390/net/qeth_core_sys.c - linux - Git at Google

 // SPDX-License-Identifier: GPL-2.0
 /*
  *    Copyright IBM Corp. 2007
  *    Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
  *		 Frank Pavlic <fpavlic@de.ibm.com>,
  *		 Thomas Spatzier <tspat@de.ibm.com>,
  *		 Frank Blaschka <frank.blaschka@de.ibm.com>
  */

 #define KMSG_COMPONENT "qeth"
 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt

 #include <linux/list.h>
 #include <linux/rwsem.h>
 #include <asm/ebcdic.h>

 #include "qeth_core.h"

 static ssize_t qeth_dev_state_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
 	if (!card)
 		return -EINVAL;

 	switch (card->state) {
 	case CARD_STATE_DOWN:
 		return sprintf(buf, "DOWN\n");
 	case CARD_STATE_HARDSETUP:
 		return sprintf(buf, "HARDSETUP\n");
 	case CARD_STATE_SOFTSETUP:
 		return sprintf(buf, "SOFTSETUP\n");
 	case CARD_STATE_UP:
 		if (card->lan_online)
 		return sprintf(buf, "UP (LAN ONLINE)\n");
 		else
 			return sprintf(buf, "UP (LAN OFFLINE)\n");
 	case CARD_STATE_RECOVER:
 		return sprintf(buf, "RECOVER\n");
 	default:
 		return sprintf(buf, "UNKNOWN\n");
 	}
 }

 static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);

 static ssize_t qeth_dev_chpid_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
 	if (!card)
 		return -EINVAL;

 	return sprintf(buf, "%02X\n", card->info.chpid);
 }

 static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);

 static ssize_t qeth_dev_if_name_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
 	if (!card)
 		return -EINVAL;
 	return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
 }

 static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);

 static ssize_t qeth_dev_card_type_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
 	if (!card)
 		return -EINVAL;

 	return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
 }

 static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);

 static const char *qeth_get_bufsize_str(struct qeth_card *card)
 {
 	if (card->qdio.in_buf_size == 16384)
 		return "16k";
 	else if (card->qdio.in_buf_size == 24576)
 		return "24k";
 	else if (card->qdio.in_buf_size == 32768)
 		return "32k";
 	else if (card->qdio.in_buf_size == 40960)
 		return "40k";
 	else
 		return "64k";
 }

 static ssize_t qeth_dev_inbuf_size_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
 	if (!card)
 		return -EINVAL;

 	return sprintf(buf, "%s\n", qeth_get_bufsize_str(card));
 }

 static DEVICE_ATTR(inbuf_size, 0444, qeth_dev_inbuf_size_show, NULL);

 static ssize_t qeth_dev_portno_show(struct device *dev,
 			struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
 	if (!card)
 		return -EINVAL;

 	return sprintf(buf, "%i\n", card->info.portno);
 }

 static ssize_t qeth_dev_portno_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
 	char *tmp;
 	unsigned int portno, limit;
 	int rc = 0;

 	if (!card)
 		return -EINVAL;

 	mutex_lock(&card->conf_mutex);
 	if ((card->state != CARD_STATE_DOWN) &&
 	    (card->state != CARD_STATE_RECOVER)) {
 		rc = -EPERM;
 		goto out;
 	}

 	portno = simple_strtoul(buf, &tmp, 16);
 	if (portno > QETH_MAX_PORTNO) {
 		rc = -EINVAL;
 		goto out;
 	}
 	limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt);
 	if (portno > limit) {
 		rc = -EINVAL;
 		goto out;
 	}
 	card->info.portno = portno;
 	if (card->dev)
 		card->dev->dev_port = portno;
 out:
 	mutex_unlock(&card->conf_mutex);
 	return rc ? rc : count;
 }

 static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);

 static ssize_t qeth_dev_portname_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	return sprintf(buf, "no portname required\n");
 }

 static ssize_t qeth_dev_portname_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);

 	dev_warn_once(&card->gdev->dev,
 		      "portname is deprecated and is ignored\n");
 	return count;
 }

 static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
 		qeth_dev_portname_store);

 static ssize_t qeth_dev_prioqing_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);

 	if (!card)
 		return -EINVAL;

 	switch (card->qdio.do_prio_queueing) {
 	case QETH_PRIO_Q_ING_PREC:
 		return sprintf(buf, "%s\n", "by precedence");
 	case QETH_PRIO_Q_ING_TOS:
 		return sprintf(buf, "%s\n", "by type of service");
 	case QETH_PRIO_Q_ING_SKB:
 		return sprintf(buf, "%s\n", "by skb-priority");
 	case QETH_PRIO_Q_ING_VLAN:
 		return sprintf(buf, "%s\n", "by VLAN headers");
 	default:
 		return sprintf(buf, "always queue %i\n",
 			       card->qdio.default_out_queue);
 	}
 }

 static ssize_t qeth_dev_prioqing_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
 	int rc = 0;

 	if (!card)
 		return -EINVAL;

 	mutex_lock(&card->conf_mutex);
 	if ((card->state != CARD_STATE_DOWN) &&
 	    (card->state != CARD_STATE_RECOVER)) {
 		rc = -EPERM;
 		goto out;
 	}

 	/* check if 1920 devices are supported ,
 	 * if though we have to permit priority queueing
 	 */
 	if (card->qdio.no_out_queues == 1) {
 		card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
 		rc = -EPERM;
 		goto out;
 	}

 	if (sysfs_streq(buf, "prio_queueing_prec")) {
 		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
 		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
 	} else if (sysfs_streq(buf, "prio_queueing_skb")) {
 		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_SKB;
 		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
 	} else if (sysfs_streq(buf, "prio_queueing_tos")) {
 		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
 		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
 	} else if (sysfs_streq(buf, "prio_queueing_vlan")) {
 		if (!card->options.layer2) {
 			rc = -ENOTSUPP;
 			goto out;
 		}
 		card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_VLAN;
 		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
 	} else if (sysfs_streq(buf, "no_prio_queueing:0")) {
 		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 		card->qdio.default_out_queue = 0;
 	} else if (sysfs_streq(buf, "no_prio_queueing:1")) {
 		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 		card->qdio.default_out_queue = 1;
 	} else if (sysfs_streq(buf, "no_prio_queueing:2")) {
 		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 		card->qdio.default_out_queue = 2;
 	} else if (sysfs_streq(buf, "no_prio_queueing:3")) {
 		if (card->info.type == QETH_CARD_TYPE_IQD) {
 			rc = -EPERM;
 			goto out;
 		}
 		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 		card->qdio.default_out_queue = 3;
 	} else if (sysfs_streq(buf, "no_prio_queueing")) {
 		card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
 		card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
 	} else
 		rc = -EINVAL;
 out:
 	mutex_unlock(&card->conf_mutex);
 	return rc ? rc : count;
 }

 static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
 		qeth_dev_prioqing_store);

 static ssize_t qeth_dev_bufcnt_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);

 	if (!card)
 		return -EINVAL;

 	return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
 }

 static ssize_t qeth_dev_bufcnt_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
 	char *tmp;
 	int cnt, old_cnt;
 	int rc = 0;

 	if (!card)
 		return -EINVAL;

 	mutex_lock(&card->conf_mutex);
 	if ((card->state != CARD_STATE_DOWN) &&
 	    (card->state != CARD_STATE_RECOVER)) {
 		rc = -EPERM;
 		goto out;
 	}

 	old_cnt = card->qdio.in_buf_pool.buf_count;
 	cnt = simple_strtoul(buf, &tmp, 10);
 	cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
 		((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
 	if (old_cnt != cnt) {
 		rc = qeth_realloc_buffer_pool(card, cnt);
 	}
 out:
 	mutex_unlock(&card->conf_mutex);
 	return rc ? rc : count;
 }

 static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
 		qeth_dev_bufcnt_store);

 static ssize_t qeth_dev_recover_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
 	char *tmp;
 	int i;

 	if (!card)
 		return -EINVAL;

 	if (card->state != CARD_STATE_UP)
 		return -EPERM;

 	i = simple_strtoul(buf, &tmp, 16);
 	if (i == 1)
 		qeth_schedule_recovery(card);

 	return count;
 }

 static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);

 static ssize_t qeth_dev_performance_stats_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);

 	if (!card)
 		return -EINVAL;

 	return sprintf(buf, "%i\n", card->options.performance_stats ? 1:0);
 }

 static ssize_t qeth_dev_performance_stats_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
 	char *tmp;
 	int i, rc = 0;

 	if (!card)
 		return -EINVAL;

 	mutex_lock(&card->conf_mutex);
 	i = simple_strtoul(buf, &tmp, 16);
 	if ((i == 0) || (i == 1)) {
 		if (i == card->options.performance_stats)
 			goto out;
 		card->options.performance_stats = i;
 		if (i == 0)
 			memset(&card->perf_stats, 0,
 				sizeof(struct qeth_perf_stats));
 		card->perf_stats.initial_rx_packets = card->stats.rx_packets;
 		card->perf_stats.initial_tx_packets = card->stats.tx_packets;
 	} else
 		rc = -EINVAL;
 out:
 	mutex_unlock(&card->conf_mutex);
 	return rc ? rc : count;
 }

 static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
 		   qeth_dev_performance_stats_store);

 static ssize_t qeth_dev_layer2_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);

 	if (!card)
 		return -EINVAL;

 	return sprintf(buf, "%i\n", card->options.layer2);
 }

 static ssize_t qeth_dev_layer2_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
 	char *tmp;
 	int i, rc = 0;
 	enum qeth_discipline_id newdis;

 	if (!card)
 		return -EINVAL;

 	mutex_lock(&card->discipline_mutex);
 	if (card->state != CARD_STATE_DOWN) {
 		rc = -EPERM;
 		goto out;
 	}

 	i = simple_strtoul(buf, &tmp, 16);
 	switch (i) {
 	case 0:
 		newdis = QETH_DISCIPLINE_LAYER3;
 		break;
 	case 1:
 		newdis = QETH_DISCIPLINE_LAYER2;
 		break;
 	default:
 		rc = -EINVAL;
 		goto out;
 	}

 	if (card->options.layer2 == newdis)
 		goto out;
 	if (card->info.layer_enforced) {
 		/* fixed layer, can't switch */
 		rc = -EOPNOTSUPP;
 		goto out;
 	}

 	card->info.mac_bits = 0;
 	if (card->discipline) {
 		card->discipline->remove(card->gdev);
 		qeth_core_free_discipline(card);
 	}

 	rc = qeth_core_load_discipline(card, newdis);
 	if (rc)
 		goto out;

 	rc = card->discipline->setup(card->gdev);
 	if (rc)
 		qeth_core_free_discipline(card);
 out:
 	mutex_unlock(&card->discipline_mutex);
 	return rc ? rc : count;
 }

 static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
 		   qeth_dev_layer2_store);

 #define ATTR_QETH_ISOLATION_NONE	("none")
 #define ATTR_QETH_ISOLATION_FWD		("forward")
 #define ATTR_QETH_ISOLATION_DROP	("drop")

 static ssize_t qeth_dev_isolation_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);

 	if (!card)
 		return -EINVAL;

 	switch (card->options.isolation) {
 	case ISOLATION_MODE_NONE:
 		return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_NONE);
 	case ISOLATION_MODE_FWD:
 		return snprintf(buf, 9, "%s\n", ATTR_QETH_ISOLATION_FWD);
 	case ISOLATION_MODE_DROP:
 		return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_DROP);
 	default:
 		return snprintf(buf, 5, "%s\n", "N/A");
 	}
 }

 static ssize_t qeth_dev_isolation_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
 	enum qeth_ipa_isolation_modes isolation;
 	int rc = 0;

 	if (!card)
 		return -EINVAL;

 	mutex_lock(&card->conf_mutex);
 	if (card->info.type != QETH_CARD_TYPE_OSD &&
 	    card->info.type != QETH_CARD_TYPE_OSX) {
 		rc = -EOPNOTSUPP;
 		dev_err(&card->gdev->dev, "Adapter does not "
 			"support QDIO data connection isolation\n");
 		goto out;
 	}

 	/* parse input into isolation mode */
 	if (sysfs_streq(buf, ATTR_QETH_ISOLATION_NONE)) {
 		isolation = ISOLATION_MODE_NONE;
 	} else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_FWD)) {
 		isolation = ISOLATION_MODE_FWD;
 	} else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_DROP)) {
 		isolation = ISOLATION_MODE_DROP;
 	} else {
 		rc = -EINVAL;
 		goto out;
 	}
 	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 (qeth_card_hw_is_reachable(card)) {
 		int ipa_rc = qeth_set_access_ctrl_online(card, 1);
 		if (ipa_rc != 0)
 			rc = ipa_rc;
 	}
 out:
 	mutex_unlock(&card->conf_mutex);
 	return rc;
 }

 static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
 			qeth_dev_isolation_store);

 static ssize_t qeth_dev_switch_attrs_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
 	struct qeth_switch_info sw_info;
 	int	rc = 0;

 	if (!card)
 		return -EINVAL;

 	if (!qeth_card_hw_is_reachable(card))
 		return sprintf(buf, "n/a\n");

 	rc = qeth_query_switch_attributes(card, &sw_info);
 	if (rc)
 		return rc;

 	if (!sw_info.capabilities)
 		rc = sprintf(buf, "unknown");

 	if (sw_info.capabilities & QETH_SWITCH_FORW_802_1)
 		rc = sprintf(buf, (sw_info.settings & QETH_SWITCH_FORW_802_1 ?
 							"[802.1]" : "802.1"));
 	if (sw_info.capabilities & QETH_SWITCH_FORW_REFL_RELAY)
 		rc += sprintf(buf + rc,
 			(sw_info.settings & QETH_SWITCH_FORW_REFL_RELAY ?
 							" [rr]" : " rr"));
 	rc += sprintf(buf + rc, "\n");

 	return rc;
 }

 static DEVICE_ATTR(switch_attrs, 0444,
 		   qeth_dev_switch_attrs_show, NULL);

 static ssize_t qeth_hw_trap_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);

 	if (!card)
 		return -EINVAL;
 	if (card->info.hwtrap)
 		return snprintf(buf, 5, "arm\n");
 	else
 		return snprintf(buf, 8, "disarm\n");
 }

 static ssize_t qeth_hw_trap_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);
 	int rc = 0;
 	int state = 0;

 	if (!card)
 		return -EINVAL;

 	mutex_lock(&card->conf_mutex);
 	if (qeth_card_hw_is_reachable(card))
 		state = 1;

 	if (sysfs_streq(buf, "arm") && !card->info.hwtrap) {
 		if (state) {
 			if (qeth_is_diagass_supported(card,
 			    QETH_DIAGS_CMD_TRAP)) {
 				rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM);
 				if (!rc)
 					card->info.hwtrap = 1;
 			} else
 				rc = -EINVAL;
 		} else
 			card->info.hwtrap = 1;
 	} else if (sysfs_streq(buf, "disarm") && card->info.hwtrap) {
 		if (state) {
 			rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
 			if (!rc)
 				card->info.hwtrap = 0;
 		} else
 			card->info.hwtrap = 0;
 	} else if (sysfs_streq(buf, "trap") && state && card->info.hwtrap)
 		rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_CAPTURE);
 	else
 		rc = -EINVAL;

 	mutex_unlock(&card->conf_mutex);
 	return rc ? rc : count;
 }

 static DEVICE_ATTR(hw_trap, 0644, qeth_hw_trap_show,
 		   qeth_hw_trap_store);

 static ssize_t qeth_dev_blkt_show(char *buf, struct qeth_card *card, int value)
 {

 	if (!card)
 		return -EINVAL;

 	return sprintf(buf, "%i\n", value);
 }

 static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
 		const char *buf, size_t count, int *value, int max_value)
 {
 	char *tmp;
 	int i, rc = 0;

 	if (!card)
 		return -EINVAL;

 	mutex_lock(&card->conf_mutex);
 	if ((card->state != CARD_STATE_DOWN) &&
 	    (card->state != CARD_STATE_RECOVER)) {
 		rc = -EPERM;
 		goto out;
 	}
 	i = simple_strtoul(buf, &tmp, 10);
 	if (i <= max_value)
 		*value = i;
 	else
 		rc = -EINVAL;
 out:
 	mutex_unlock(&card->conf_mutex);
 	return rc ? rc : count;
 }

 static ssize_t qeth_dev_blkt_total_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);

 	return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
 }

 static ssize_t qeth_dev_blkt_total_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);

 	return qeth_dev_blkt_store(card, buf, count,
 				   &card->info.blkt.time_total, 5000);
 }


 static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
 		   qeth_dev_blkt_total_store);

 static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);

 	return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
 }

 static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);

 	return qeth_dev_blkt_store(card, buf, count,
 				   &card->info.blkt.inter_packet, 1000);
 }

 static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
 		   qeth_dev_blkt_inter_store);

 static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);

 	return qeth_dev_blkt_show(buf, card,
 				  card->info.blkt.inter_packet_jumbo);
 }

 static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct qeth_card *card = dev_get_drvdata(dev);

 	return qeth_dev_blkt_store(card, buf, count,
 				   &card->info.blkt.inter_packet_jumbo, 1000);
 }

 static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
 		   qeth_dev_blkt_inter_jumbo_store);

 static struct attribute *qeth_blkt_device_attrs[] = {
 	&dev_attr_total.attr,
 	&dev_attr_inter.attr,
 	&dev_attr_inter_jumbo.attr,
 	NULL,
 };
 const struct attribute_group qeth_device_blkt_group = {
 	.name = "blkt",
 	.attrs = qeth_blkt_device_attrs,
 };
 EXPORT_SYMBOL_GPL(qeth_device_blkt_group);

 static struct attribute *qeth_device_attrs[] = {
 	&dev_attr_state.attr,
 	&dev_attr_chpid.attr,
 	&dev_attr_if_name.attr,
 	&dev_attr_card_type.attr,
 	&dev_attr_inbuf_size.attr,
 	&dev_attr_portno.attr,
 	&dev_attr_portname.attr,
 	&dev_attr_priority_queueing.attr,
 	&dev_attr_buffer_count.attr,
 	&dev_attr_recover.attr,
 	&dev_attr_performance_stats.attr,
 	&dev_attr_layer2.attr,
 	&dev_attr_isolation.attr,
 	&dev_attr_hw_trap.attr,
 	&dev_attr_switch_attrs.attr,
 	NULL,
 };
 const struct attribute_group qeth_device_attr_group = {
 	.attrs = qeth_device_attrs,
 };
 EXPORT_SYMBOL_GPL(qeth_device_attr_group);

 const struct attribute_group *qeth_generic_attr_groups[] = {
 	&qeth_device_attr_group,
 	&qeth_device_blkt_group,
 	NULL,
 };

 static struct attribute *qeth_osn_device_attrs[] = {
 	&dev_attr_state.attr,
 	&dev_attr_chpid.attr,
 	&dev_attr_if_name.attr,
 	&dev_attr_card_type.attr,
 	&dev_attr_buffer_count.attr,
 	&dev_attr_recover.attr,
 	NULL,
 };
 static struct attribute_group qeth_osn_device_attr_group = {
 	.attrs = qeth_osn_device_attrs,
 };
 const struct attribute_group *qeth_osn_attr_groups[] = {
 	&qeth_osn_device_attr_group,
 	NULL,
 };
	// SPDX-License-Identifier: GPL-2.0
	/*
	* Copyright IBM Corp. 2007
	* Author(s): Utz Bacher <utz.bacher@de.ibm.com>,
	* Frank Pavlic <fpavlic@de.ibm.com>,
	* Thomas Spatzier <tspat@de.ibm.com>,
	* Frank Blaschka <frank.blaschka@de.ibm.com>
	*/

	#define KMSG_COMPONENT "qeth"
	#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt

	#include <linux/list.h>
	#include <linux/rwsem.h>
	#include <asm/ebcdic.h>

	#include "qeth_core.h"

	static ssize_t qeth_dev_state_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);
	if (!card)
	return -EINVAL;

	switch (card->state) {
	case CARD_STATE_DOWN:
	return sprintf(buf, "DOWN\n");
	case CARD_STATE_HARDSETUP:
	return sprintf(buf, "HARDSETUP\n");
	case CARD_STATE_SOFTSETUP:
	return sprintf(buf, "SOFTSETUP\n");
	case CARD_STATE_UP:
	if (card->lan_online)
	return sprintf(buf, "UP (LAN ONLINE)\n");
	else
	return sprintf(buf, "UP (LAN OFFLINE)\n");
	case CARD_STATE_RECOVER:
	return sprintf(buf, "RECOVER\n");
	default:
	return sprintf(buf, "UNKNOWN\n");
	}
	}

	static DEVICE_ATTR(state, 0444, qeth_dev_state_show, NULL);

	static ssize_t qeth_dev_chpid_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);
	if (!card)
	return -EINVAL;

	return sprintf(buf, "%02X\n", card->info.chpid);
	}

	static DEVICE_ATTR(chpid, 0444, qeth_dev_chpid_show, NULL);

	static ssize_t qeth_dev_if_name_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);
	if (!card)
	return -EINVAL;
	return sprintf(buf, "%s\n", QETH_CARD_IFNAME(card));
	}

	static DEVICE_ATTR(if_name, 0444, qeth_dev_if_name_show, NULL);

	static ssize_t qeth_dev_card_type_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);
	if (!card)
	return -EINVAL;

	return sprintf(buf, "%s\n", qeth_get_cardname_short(card));
	}

	static DEVICE_ATTR(card_type, 0444, qeth_dev_card_type_show, NULL);

	static const char qeth_get_bufsize_str(struct qeth_card card)
	{
	if (card->qdio.in_buf_size == 16384)
	return "16k";
	else if (card->qdio.in_buf_size == 24576)
	return "24k";
	else if (card->qdio.in_buf_size == 32768)
	return "32k";
	else if (card->qdio.in_buf_size == 40960)
	return "40k";
	else
	return "64k";
	}

	static ssize_t qeth_dev_inbuf_size_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);
	if (!card)
	return -EINVAL;

	return sprintf(buf, "%s\n", qeth_get_bufsize_str(card));
	}

	static DEVICE_ATTR(inbuf_size, 0444, qeth_dev_inbuf_size_show, NULL);

	static ssize_t qeth_dev_portno_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);
	if (!card)
	return -EINVAL;

	return sprintf(buf, "%i\n", card->info.portno);
	}

	static ssize_t qeth_dev_portno_store(struct device *dev,
	struct device_attribute attr, const char buf, size_t count)
	{
	struct qeth_card *card = dev_get_drvdata(dev);
	char *tmp;
	unsigned int portno, limit;
	int rc = 0;

	if (!card)
	return -EINVAL;

	mutex_lock(&card->conf_mutex);
	if ((card->state != CARD_STATE_DOWN) &&
	(card->state != CARD_STATE_RECOVER)) {
	rc = -EPERM;
	goto out;
	}

	portno = simple_strtoul(buf, &tmp, 16);
	if (portno > QETH_MAX_PORTNO) {
	rc = -EINVAL;
	goto out;
	}
	limit = (card->ssqd.pcnt ? card->ssqd.pcnt - 1 : card->ssqd.pcnt);
	if (portno > limit) {
	rc = -EINVAL;
	goto out;
	}
	card->info.portno = portno;
	if (card->dev)
	card->dev->dev_port = portno;
	out:
	mutex_unlock(&card->conf_mutex);
	return rc ? rc : count;
	}

	static DEVICE_ATTR(portno, 0644, qeth_dev_portno_show, qeth_dev_portno_store);

	static ssize_t qeth_dev_portname_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	return sprintf(buf, "no portname required\n");
	}

	static ssize_t qeth_dev_portname_store(struct device *dev,
	struct device_attribute attr, const char buf, size_t count)
	{
	struct qeth_card *card = dev_get_drvdata(dev);

	dev_warn_once(&card->gdev->dev,
	"portname is deprecated and is ignored\n");
	return count;
	}

	static DEVICE_ATTR(portname, 0644, qeth_dev_portname_show,
	qeth_dev_portname_store);

	static ssize_t qeth_dev_prioqing_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);

	if (!card)
	return -EINVAL;

	switch (card->qdio.do_prio_queueing) {
	case QETH_PRIO_Q_ING_PREC:
	return sprintf(buf, "%s\n", "by precedence");
	case QETH_PRIO_Q_ING_TOS:
	return sprintf(buf, "%s\n", "by type of service");
	case QETH_PRIO_Q_ING_SKB:
	return sprintf(buf, "%s\n", "by skb-priority");
	case QETH_PRIO_Q_ING_VLAN:
	return sprintf(buf, "%s\n", "by VLAN headers");
	default:
	return sprintf(buf, "always queue %i\n",
	card->qdio.default_out_queue);
	}
	}

	static ssize_t qeth_dev_prioqing_store(struct device *dev,
	struct device_attribute attr, const char buf, size_t count)
	{
	struct qeth_card *card = dev_get_drvdata(dev);
	int rc = 0;

	if (!card)
	return -EINVAL;

	mutex_lock(&card->conf_mutex);
	if ((card->state != CARD_STATE_DOWN) &&
	(card->state != CARD_STATE_RECOVER)) {
	rc = -EPERM;
	goto out;
	}

	/* check if 1920 devices are supported ,
	* if though we have to permit priority queueing
	*/
	if (card->qdio.no_out_queues == 1) {
	card->qdio.do_prio_queueing = QETH_PRIOQ_DEFAULT;
	rc = -EPERM;
	goto out;
	}

	if (sysfs_streq(buf, "prio_queueing_prec")) {
	card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_PREC;
	card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
	} else if (sysfs_streq(buf, "prio_queueing_skb")) {
	card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_SKB;
	card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
	} else if (sysfs_streq(buf, "prio_queueing_tos")) {
	card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_TOS;
	card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
	} else if (sysfs_streq(buf, "prio_queueing_vlan")) {
	if (!card->options.layer2) {
	rc = -ENOTSUPP;
	goto out;
	}
	card->qdio.do_prio_queueing = QETH_PRIO_Q_ING_VLAN;
	card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
	} else if (sysfs_streq(buf, "no_prio_queueing:0")) {
	card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
	card->qdio.default_out_queue = 0;
	} else if (sysfs_streq(buf, "no_prio_queueing:1")) {
	card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
	card->qdio.default_out_queue = 1;
	} else if (sysfs_streq(buf, "no_prio_queueing:2")) {
	card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
	card->qdio.default_out_queue = 2;
	} else if (sysfs_streq(buf, "no_prio_queueing:3")) {
	if (card->info.type == QETH_CARD_TYPE_IQD) {
	rc = -EPERM;
	goto out;
	}
	card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
	card->qdio.default_out_queue = 3;
	} else if (sysfs_streq(buf, "no_prio_queueing")) {
	card->qdio.do_prio_queueing = QETH_NO_PRIO_QUEUEING;
	card->qdio.default_out_queue = QETH_DEFAULT_QUEUE;
	} else
	rc = -EINVAL;
	out:
	mutex_unlock(&card->conf_mutex);
	return rc ? rc : count;
	}

	static DEVICE_ATTR(priority_queueing, 0644, qeth_dev_prioqing_show,
	qeth_dev_prioqing_store);

	static ssize_t qeth_dev_bufcnt_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);

	if (!card)
	return -EINVAL;

	return sprintf(buf, "%i\n", card->qdio.in_buf_pool.buf_count);
	}

	static ssize_t qeth_dev_bufcnt_store(struct device *dev,
	struct device_attribute attr, const char buf, size_t count)
	{
	struct qeth_card *card = dev_get_drvdata(dev);
	char *tmp;
	int cnt, old_cnt;
	int rc = 0;

	if (!card)
	return -EINVAL;

	mutex_lock(&card->conf_mutex);
	if ((card->state != CARD_STATE_DOWN) &&
	(card->state != CARD_STATE_RECOVER)) {
	rc = -EPERM;
	goto out;
	}

	old_cnt = card->qdio.in_buf_pool.buf_count;
	cnt = simple_strtoul(buf, &tmp, 10);
	cnt = (cnt < QETH_IN_BUF_COUNT_MIN) ? QETH_IN_BUF_COUNT_MIN :
	((cnt > QETH_IN_BUF_COUNT_MAX) ? QETH_IN_BUF_COUNT_MAX : cnt);
	if (old_cnt != cnt) {
	rc = qeth_realloc_buffer_pool(card, cnt);
	}
	out:
	mutex_unlock(&card->conf_mutex);
	return rc ? rc : count;
	}

	static DEVICE_ATTR(buffer_count, 0644, qeth_dev_bufcnt_show,
	qeth_dev_bufcnt_store);

	static ssize_t qeth_dev_recover_store(struct device *dev,
	struct device_attribute attr, const char buf, size_t count)
	{
	struct qeth_card *card = dev_get_drvdata(dev);
	char *tmp;
	int i;

	if (!card)
	return -EINVAL;

	if (card->state != CARD_STATE_UP)
	return -EPERM;

	i = simple_strtoul(buf, &tmp, 16);
	if (i == 1)
	qeth_schedule_recovery(card);

	return count;
	}

	static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);

	static ssize_t qeth_dev_performance_stats_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);

	if (!card)
	return -EINVAL;

	return sprintf(buf, "%i\n", card->options.performance_stats ? 1:0);
	}

	static ssize_t qeth_dev_performance_stats_store(struct device *dev,
	struct device_attribute attr, const char buf, size_t count)
	{
	struct qeth_card *card = dev_get_drvdata(dev);
	char *tmp;
	int i, rc = 0;

	if (!card)
	return -EINVAL;

	mutex_lock(&card->conf_mutex);
	i = simple_strtoul(buf, &tmp, 16);
	if ((i == 0) \|\| (i == 1)) {
	if (i == card->options.performance_stats)
	goto out;
	card->options.performance_stats = i;
	if (i == 0)
	memset(&card->perf_stats, 0,
	sizeof(struct qeth_perf_stats));
	card->perf_stats.initial_rx_packets = card->stats.rx_packets;
	card->perf_stats.initial_tx_packets = card->stats.tx_packets;
	} else
	rc = -EINVAL;
	out:
	mutex_unlock(&card->conf_mutex);
	return rc ? rc : count;
	}

	static DEVICE_ATTR(performance_stats, 0644, qeth_dev_performance_stats_show,
	qeth_dev_performance_stats_store);

	static ssize_t qeth_dev_layer2_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);

	if (!card)
	return -EINVAL;

	return sprintf(buf, "%i\n", card->options.layer2);
	}

	static ssize_t qeth_dev_layer2_store(struct device *dev,
	struct device_attribute attr, const char buf, size_t count)
	{
	struct qeth_card *card = dev_get_drvdata(dev);
	char *tmp;
	int i, rc = 0;
	enum qeth_discipline_id newdis;

	if (!card)
	return -EINVAL;

	mutex_lock(&card->discipline_mutex);
	if (card->state != CARD_STATE_DOWN) {
	rc = -EPERM;
	goto out;
	}

	i = simple_strtoul(buf, &tmp, 16);
	switch (i) {
	case 0:
	newdis = QETH_DISCIPLINE_LAYER3;
	break;
	case 1:
	newdis = QETH_DISCIPLINE_LAYER2;
	break;
	default:
	rc = -EINVAL;
	goto out;
	}

	if (card->options.layer2 == newdis)
	goto out;
	if (card->info.layer_enforced) {
	/* fixed layer, can't switch */
	rc = -EOPNOTSUPP;
	goto out;
	}

	card->info.mac_bits = 0;
	if (card->discipline) {
	card->discipline->remove(card->gdev);
	qeth_core_free_discipline(card);
	}

	rc = qeth_core_load_discipline(card, newdis);
	if (rc)
	goto out;

	rc = card->discipline->setup(card->gdev);
	if (rc)
	qeth_core_free_discipline(card);
	out:
	mutex_unlock(&card->discipline_mutex);
	return rc ? rc : count;
	}

	static DEVICE_ATTR(layer2, 0644, qeth_dev_layer2_show,
	qeth_dev_layer2_store);

	#define ATTR_QETH_ISOLATION_NONE ("none")
	#define ATTR_QETH_ISOLATION_FWD ("forward")
	#define ATTR_QETH_ISOLATION_DROP ("drop")

	static ssize_t qeth_dev_isolation_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);

	if (!card)
	return -EINVAL;

	switch (card->options.isolation) {
	case ISOLATION_MODE_NONE:
	return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_NONE);
	case ISOLATION_MODE_FWD:
	return snprintf(buf, 9, "%s\n", ATTR_QETH_ISOLATION_FWD);
	case ISOLATION_MODE_DROP:
	return snprintf(buf, 6, "%s\n", ATTR_QETH_ISOLATION_DROP);
	default:
	return snprintf(buf, 5, "%s\n", "N/A");
	}
	}

	static ssize_t qeth_dev_isolation_store(struct device *dev,
	struct device_attribute attr, const char buf, size_t count)
	{
	struct qeth_card *card = dev_get_drvdata(dev);
	enum qeth_ipa_isolation_modes isolation;
	int rc = 0;

	if (!card)
	return -EINVAL;

	mutex_lock(&card->conf_mutex);
	if (card->info.type != QETH_CARD_TYPE_OSD &&
	card->info.type != QETH_CARD_TYPE_OSX) {
	rc = -EOPNOTSUPP;
	dev_err(&card->gdev->dev, "Adapter does not "
	"support QDIO data connection isolation\n");
	goto out;
	}

	/* parse input into isolation mode */
	if (sysfs_streq(buf, ATTR_QETH_ISOLATION_NONE)) {
	isolation = ISOLATION_MODE_NONE;
	} else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_FWD)) {
	isolation = ISOLATION_MODE_FWD;
	} else if (sysfs_streq(buf, ATTR_QETH_ISOLATION_DROP)) {
	isolation = ISOLATION_MODE_DROP;
	} else {
	rc = -EINVAL;
	goto out;
	}
	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 (qeth_card_hw_is_reachable(card)) {
	int ipa_rc = qeth_set_access_ctrl_online(card, 1);
	if (ipa_rc != 0)
	rc = ipa_rc;
	}
	out:
	mutex_unlock(&card->conf_mutex);
	return rc;
	}

	static DEVICE_ATTR(isolation, 0644, qeth_dev_isolation_show,
	qeth_dev_isolation_store);

	static ssize_t qeth_dev_switch_attrs_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);
	struct qeth_switch_info sw_info;
	int rc = 0;

	if (!card)
	return -EINVAL;

	if (!qeth_card_hw_is_reachable(card))
	return sprintf(buf, "n/a\n");

	rc = qeth_query_switch_attributes(card, &sw_info);
	if (rc)
	return rc;

	if (!sw_info.capabilities)
	rc = sprintf(buf, "unknown");

	if (sw_info.capabilities & QETH_SWITCH_FORW_802_1)
	rc = sprintf(buf, (sw_info.settings & QETH_SWITCH_FORW_802_1 ?
	"[802.1]" : "802.1"));
	if (sw_info.capabilities & QETH_SWITCH_FORW_REFL_RELAY)
	rc += sprintf(buf + rc,
	(sw_info.settings & QETH_SWITCH_FORW_REFL_RELAY ?
	" [rr]" : " rr"));
	rc += sprintf(buf + rc, "\n");

	return rc;
	}

	static DEVICE_ATTR(switch_attrs, 0444,
	qeth_dev_switch_attrs_show, NULL);

	static ssize_t qeth_hw_trap_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);

	if (!card)
	return -EINVAL;
	if (card->info.hwtrap)
	return snprintf(buf, 5, "arm\n");
	else
	return snprintf(buf, 8, "disarm\n");
	}

	static ssize_t qeth_hw_trap_store(struct device *dev,
	struct device_attribute attr, const char buf, size_t count)
	{
	struct qeth_card *card = dev_get_drvdata(dev);
	int rc = 0;
	int state = 0;

	if (!card)
	return -EINVAL;

	mutex_lock(&card->conf_mutex);
	if (qeth_card_hw_is_reachable(card))
	state = 1;

	if (sysfs_streq(buf, "arm") && !card->info.hwtrap) {
	if (state) {
	if (qeth_is_diagass_supported(card,
	QETH_DIAGS_CMD_TRAP)) {
	rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_ARM);
	if (!rc)
	card->info.hwtrap = 1;
	} else
	rc = -EINVAL;
	} else
	card->info.hwtrap = 1;
	} else if (sysfs_streq(buf, "disarm") && card->info.hwtrap) {
	if (state) {
	rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
	if (!rc)
	card->info.hwtrap = 0;
	} else
	card->info.hwtrap = 0;
	} else if (sysfs_streq(buf, "trap") && state && card->info.hwtrap)
	rc = qeth_hw_trap(card, QETH_DIAGS_TRAP_CAPTURE);
	else
	rc = -EINVAL;

	mutex_unlock(&card->conf_mutex);
	return rc ? rc : count;
	}

	static DEVICE_ATTR(hw_trap, 0644, qeth_hw_trap_show,
	qeth_hw_trap_store);

	static ssize_t qeth_dev_blkt_show(char buf, struct qeth_card card, int value)
	{

	if (!card)
	return -EINVAL;

	return sprintf(buf, "%i\n", value);
	}

	static ssize_t qeth_dev_blkt_store(struct qeth_card *card,
	const char buf, size_t count, int value, int max_value)
	{
	char *tmp;
	int i, rc = 0;

	if (!card)
	return -EINVAL;

	mutex_lock(&card->conf_mutex);
	if ((card->state != CARD_STATE_DOWN) &&
	(card->state != CARD_STATE_RECOVER)) {
	rc = -EPERM;
	goto out;
	}
	i = simple_strtoul(buf, &tmp, 10);
	if (i <= max_value)
	*value = i;
	else
	rc = -EINVAL;
	out:
	mutex_unlock(&card->conf_mutex);
	return rc ? rc : count;
	}

	static ssize_t qeth_dev_blkt_total_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);

	return qeth_dev_blkt_show(buf, card, card->info.blkt.time_total);
	}

	static ssize_t qeth_dev_blkt_total_store(struct device *dev,
	struct device_attribute attr, const char buf, size_t count)
	{
	struct qeth_card *card = dev_get_drvdata(dev);

	return qeth_dev_blkt_store(card, buf, count,
	&card->info.blkt.time_total, 5000);
	}



	static DEVICE_ATTR(total, 0644, qeth_dev_blkt_total_show,
	qeth_dev_blkt_total_store);

	static ssize_t qeth_dev_blkt_inter_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);

	return qeth_dev_blkt_show(buf, card, card->info.blkt.inter_packet);
	}

	static ssize_t qeth_dev_blkt_inter_store(struct device *dev,
	struct device_attribute attr, const char buf, size_t count)
	{
	struct qeth_card *card = dev_get_drvdata(dev);

	return qeth_dev_blkt_store(card, buf, count,
	&card->info.blkt.inter_packet, 1000);
	}

	static DEVICE_ATTR(inter, 0644, qeth_dev_blkt_inter_show,
	qeth_dev_blkt_inter_store);

	static ssize_t qeth_dev_blkt_inter_jumbo_show(struct device *dev,
	struct device_attribute attr, char buf)
	{
	struct qeth_card *card = dev_get_drvdata(dev);

	return qeth_dev_blkt_show(buf, card,
	card->info.blkt.inter_packet_jumbo);
	}

	static ssize_t qeth_dev_blkt_inter_jumbo_store(struct device *dev,
	struct device_attribute attr, const char buf, size_t count)
	{
	struct qeth_card *card = dev_get_drvdata(dev);

	return qeth_dev_blkt_store(card, buf, count,
	&card->info.blkt.inter_packet_jumbo, 1000);
	}

	static DEVICE_ATTR(inter_jumbo, 0644, qeth_dev_blkt_inter_jumbo_show,
	qeth_dev_blkt_inter_jumbo_store);

	static struct attribute *qeth_blkt_device_attrs[] = {
	&dev_attr_total.attr,
	&dev_attr_inter.attr,
	&dev_attr_inter_jumbo.attr,
	NULL,
	};
	const struct attribute_group qeth_device_blkt_group = {
	.name = "blkt",
	.attrs = qeth_blkt_device_attrs,
	};
	EXPORT_SYMBOL_GPL(qeth_device_blkt_group);

	static struct attribute *qeth_device_attrs[] = {
	&dev_attr_state.attr,
	&dev_attr_chpid.attr,
	&dev_attr_if_name.attr,
	&dev_attr_card_type.attr,
	&dev_attr_inbuf_size.attr,
	&dev_attr_portno.attr,
	&dev_attr_portname.attr,
	&dev_attr_priority_queueing.attr,
	&dev_attr_buffer_count.attr,
	&dev_attr_recover.attr,
	&dev_attr_performance_stats.attr,
	&dev_attr_layer2.attr,
	&dev_attr_isolation.attr,
	&dev_attr_hw_trap.attr,
	&dev_attr_switch_attrs.attr,
	NULL,
	};
	const struct attribute_group qeth_device_attr_group = {
	.attrs = qeth_device_attrs,
	};
	EXPORT_SYMBOL_GPL(qeth_device_attr_group);

	const struct attribute_group *qeth_generic_attr_groups[] = {
	&qeth_device_attr_group,
	&qeth_device_blkt_group,
	NULL,
	};

	static struct attribute *qeth_osn_device_attrs[] = {
	&dev_attr_state.attr,
	&dev_attr_chpid.attr,
	&dev_attr_if_name.attr,
	&dev_attr_card_type.attr,
	&dev_attr_buffer_count.attr,
	&dev_attr_recover.attr,
	NULL,
	};
	static struct attribute_group qeth_osn_device_attr_group = {
	.attrs = qeth_osn_device_attrs,
	};
	const struct attribute_group *qeth_osn_attr_groups[] = {
	&qeth_osn_device_attr_group,
	NULL,
	};