Initial import

1 files changed, 1049 insertions, 0 deletions

diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c
new file mode 100644
index 000000000..386eb7b89
--- /dev/null
+++ b/drivers/s390/net/qeth_l3_sys.c
@@ -0,0 +1,1049 @@
+/*
+ *    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>
+ */
+
+#include <linux/slab.h>
+#include <asm/ebcdic.h>
+#include "qeth_l3.h"
+
+#define QETH_DEVICE_ATTR(_id, _name, _mode, _show, _store) \
+struct device_attribute dev_attr_##_id = __ATTR(_name, _mode, _show, _store)
+
+static ssize_t qeth_l3_dev_route_show(struct qeth_card *card,
+			struct qeth_routing_info *route, char *buf)
+{
+	switch (route->type) {
+	case PRIMARY_ROUTER:
+		return sprintf(buf, "%s\n", "primary router");
+	case SECONDARY_ROUTER:
+		return sprintf(buf, "%s\n", "secondary router");
+	case MULTICAST_ROUTER:
+		if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
+			return sprintf(buf, "%s\n", "multicast router+");
+		else
+			return sprintf(buf, "%s\n", "multicast router");
+	case PRIMARY_CONNECTOR:
+		if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
+			return sprintf(buf, "%s\n", "primary connector+");
+		else
+			return sprintf(buf, "%s\n", "primary connector");
+	case SECONDARY_CONNECTOR:
+		if (card->info.broadcast_capable == QETH_BROADCAST_WITHOUT_ECHO)
+			return sprintf(buf, "%s\n", "secondary connector+");
+		else
+			return sprintf(buf, "%s\n", "secondary connector");
+	default:
+		return sprintf(buf, "%s\n", "no");
+	}
+}
+
+static ssize_t qeth_l3_dev_route4_show(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_route_show(card, &card->options.route4, buf);
+}
+
+static ssize_t qeth_l3_dev_route_store(struct qeth_card *card,
+		struct qeth_routing_info *route, enum qeth_prot_versions prot,
+		const char *buf, size_t count)
+{
+	enum qeth_routing_types old_route_type = route->type;
+	int rc = 0;
+
+	mutex_lock(&card->conf_mutex);
+	if (sysfs_streq(buf, "no_router")) {
+		route->type = NO_ROUTER;
+	} else if (sysfs_streq(buf, "primary_connector")) {
+		route->type = PRIMARY_CONNECTOR;
+	} else if (sysfs_streq(buf, "secondary_connector")) {
+		route->type = SECONDARY_CONNECTOR;
+	} else if (sysfs_streq(buf, "primary_router")) {
+		route->type = PRIMARY_ROUTER;
+	} else if (sysfs_streq(buf, "secondary_router")) {
+		route->type = SECONDARY_ROUTER;
+	} else if (sysfs_streq(buf, "multicast_router")) {
+		route->type = MULTICAST_ROUTER;
+	} else {
+		rc = -EINVAL;
+		goto out;
+	}
+	if (qeth_card_hw_is_reachable(card) &&
+	    (old_route_type != route->type)) {
+		if (prot == QETH_PROT_IPV4)
+			rc = qeth_l3_setrouting_v4(card);
+		else if (prot == QETH_PROT_IPV6)
+			rc = qeth_l3_setrouting_v6(card);
+	}
+out:
+	if (rc)
+		route->type = old_route_type;
+	mutex_unlock(&card->conf_mutex);
+	return rc ? rc : count;
+}
+
+static ssize_t qeth_l3_dev_route4_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_route_store(card, &card->options.route4,
+				QETH_PROT_IPV4, buf, count);
+}
+
+static DEVICE_ATTR(route4, 0644, qeth_l3_dev_route4_show,
+			qeth_l3_dev_route4_store);
+
+static ssize_t qeth_l3_dev_route6_show(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_route_show(card, &card->options.route6, buf);
+}
+
+static ssize_t qeth_l3_dev_route6_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_route_store(card, &card->options.route6,
+				QETH_PROT_IPV6, buf, count);
+}
+
+static DEVICE_ATTR(route6, 0644, qeth_l3_dev_route6_show,
+			qeth_l3_dev_route6_store);
+
+static ssize_t qeth_l3_dev_fake_broadcast_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.fake_broadcast? 1:0);
+}
+
+static ssize_t qeth_l3_dev_fake_broadcast_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);
+	if ((card->state != CARD_STATE_DOWN) &&
+	    (card->state != CARD_STATE_RECOVER)) {
+		rc = -EPERM;
+		goto out;
+	}
+
+	i = simple_strtoul(buf, &tmp, 16);
+	if ((i == 0) || (i == 1))
+		card->options.fake_broadcast = i;
+	else
+		rc = -EINVAL;
+out:
+	mutex_unlock(&card->conf_mutex);
+	return rc ? rc : count;
+}
+
+static DEVICE_ATTR(fake_broadcast, 0644, qeth_l3_dev_fake_broadcast_show,
+		   qeth_l3_dev_fake_broadcast_store);
+
+static ssize_t qeth_l3_dev_sniffer_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.sniffer ? 1 : 0);
+}
+
+static ssize_t qeth_l3_dev_sniffer_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;
+	unsigned long i;
+
+	if (!card)
+		return -EINVAL;
+
+	if (card->info.type != QETH_CARD_TYPE_IQD)
+		return -EPERM;
+	if (card->options.cq == QETH_CQ_ENABLED)
+		return -EPERM;
+
+	mutex_lock(&card->conf_mutex);
+	if ((card->state != CARD_STATE_DOWN) &&
+	    (card->state != CARD_STATE_RECOVER)) {
+		rc = -EPERM;
+		goto out;
+	}
+
+	rc = kstrtoul(buf, 16, &i);
+	if (rc) {
+		rc = -EINVAL;
+		goto out;
+	}
+	switch (i) {
+	case 0:
+		card->options.sniffer = i;
+		break;
+	case 1:
+		qdio_get_ssqd_desc(CARD_DDEV(card), &card->ssqd);
+		if (card->ssqd.qdioac2 & QETH_SNIFF_AVAIL) {
+			card->options.sniffer = i;
+			if (card->qdio.init_pool.buf_count !=
+					QETH_IN_BUF_COUNT_MAX)
+				qeth_realloc_buffer_pool(card,
+					QETH_IN_BUF_COUNT_MAX);
+		} else
+			rc = -EPERM;
+		break;
+	default:
+		rc = -EINVAL;
+	}
+out:
+	mutex_unlock(&card->conf_mutex);
+	return rc ? rc : count;
+}
+
+static DEVICE_ATTR(sniffer, 0644, qeth_l3_dev_sniffer_show,
+		qeth_l3_dev_sniffer_store);
+
+
+static ssize_t qeth_l3_dev_hsuid_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+	char tmp_hsuid[9];
+
+	if (!card)
+		return -EINVAL;
+
+	if (card->info.type != QETH_CARD_TYPE_IQD)
+		return -EPERM;
+
+	if (card->state == CARD_STATE_DOWN)
+		return -EPERM;
+
+	memcpy(tmp_hsuid, card->options.hsuid, sizeof(tmp_hsuid));
+	EBCASC(tmp_hsuid, 8);
+	return sprintf(buf, "%s\n", tmp_hsuid);
+}
+
+static ssize_t qeth_l3_dev_hsuid_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+	struct qeth_ipaddr *addr;
+	char *tmp;
+	int i;
+
+	if (!card)
+		return -EINVAL;
+
+	if (card->info.type != QETH_CARD_TYPE_IQD)
+		return -EPERM;
+	if (card->state != CARD_STATE_DOWN &&
+	    card->state != CARD_STATE_RECOVER)
+		return -EPERM;
+	if (card->options.sniffer)
+		return -EPERM;
+	if (card->options.cq == QETH_CQ_NOTAVAILABLE)
+		return -EPERM;
+
+	tmp = strsep((char **)&buf, "\n");
+	if (strlen(tmp) > 8)
+		return -EINVAL;
+
+	if (card->options.hsuid[0]) {
+		/* delete old ip address */
+		addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
+		if (addr != NULL) {
+			addr->u.a6.addr.s6_addr32[0] = 0xfe800000;
+			addr->u.a6.addr.s6_addr32[1] = 0x00000000;
+			for (i = 8; i < 16; i++)
+				addr->u.a6.addr.s6_addr[i] =
+					card->options.hsuid[i - 8];
+			addr->u.a6.pfxlen = 0;
+			addr->type = QETH_IP_TYPE_NORMAL;
+		} else
+			return -ENOMEM;
+		if (!qeth_l3_delete_ip(card, addr))
+			kfree(addr);
+		qeth_l3_set_ip_addr_list(card);
+	}
+
+	if (strlen(tmp) == 0) {
+		/* delete ip address only */
+		card->options.hsuid[0] = '\0';
+		if (card->dev)
+			memcpy(card->dev->perm_addr, card->options.hsuid, 9);
+		qeth_configure_cq(card, QETH_CQ_DISABLED);
+		return count;
+	}
+
+	if (qeth_configure_cq(card, QETH_CQ_ENABLED))
+		return -EPERM;
+
+	snprintf(card->options.hsuid, sizeof(card->options.hsuid),
+		 "%-8s", tmp);
+	ASCEBC(card->options.hsuid, 8);
+	if (card->dev)
+		memcpy(card->dev->perm_addr, card->options.hsuid, 9);
+
+	addr = qeth_l3_get_addr_buffer(QETH_PROT_IPV6);
+	if (addr != NULL) {
+		addr->u.a6.addr.s6_addr32[0] = 0xfe800000;
+		addr->u.a6.addr.s6_addr32[1] = 0x00000000;
+		for (i = 8; i < 16; i++)
+			addr->u.a6.addr.s6_addr[i] = card->options.hsuid[i - 8];
+		addr->u.a6.pfxlen = 0;
+		addr->type = QETH_IP_TYPE_NORMAL;
+	} else
+		return -ENOMEM;
+	if (!qeth_l3_add_ip(card, addr))
+		kfree(addr);
+	qeth_l3_set_ip_addr_list(card);
+
+	return count;
+}
+
+static DEVICE_ATTR(hsuid, 0644, qeth_l3_dev_hsuid_show,
+		   qeth_l3_dev_hsuid_store);
+
+
+static struct attribute *qeth_l3_device_attrs[] = {
+	&dev_attr_route4.attr,
+	&dev_attr_route6.attr,
+	&dev_attr_fake_broadcast.attr,
+	&dev_attr_sniffer.attr,
+	&dev_attr_hsuid.attr,
+	NULL,
+};
+
+static struct attribute_group qeth_l3_device_attr_group = {
+	.attrs = qeth_l3_device_attrs,
+};
+
+static ssize_t qeth_l3_dev_ipato_enable_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->ipato.enabled? 1:0);
+}
+
+static ssize_t qeth_l3_dev_ipato_enable_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+	struct qeth_ipaddr *tmpipa, *t;
+	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;
+	}
+
+	if (sysfs_streq(buf, "toggle")) {
+		card->ipato.enabled = (card->ipato.enabled)? 0 : 1;
+	} else if (sysfs_streq(buf, "1")) {
+		card->ipato.enabled = 1;
+		list_for_each_entry_safe(tmpipa, t, card->ip_tbd_list, entry) {
+			if ((tmpipa->type == QETH_IP_TYPE_NORMAL) &&
+				qeth_l3_is_addr_covered_by_ipato(card, tmpipa))
+				tmpipa->set_flags |=
+					QETH_IPA_SETIP_TAKEOVER_FLAG;
+		}
+
+	} else if (sysfs_streq(buf, "0")) {
+		card->ipato.enabled = 0;
+		list_for_each_entry_safe(tmpipa, t, card->ip_tbd_list, entry) {
+			if (tmpipa->set_flags &
+				QETH_IPA_SETIP_TAKEOVER_FLAG)
+				tmpipa->set_flags &=
+					~QETH_IPA_SETIP_TAKEOVER_FLAG;
+		}
+	} else
+		rc = -EINVAL;
+out:
+	mutex_unlock(&card->conf_mutex);
+	return rc ? rc : count;
+}
+
+static QETH_DEVICE_ATTR(ipato_enable, enable, 0644,
+			qeth_l3_dev_ipato_enable_show,
+			qeth_l3_dev_ipato_enable_store);
+
+static ssize_t qeth_l3_dev_ipato_invert4_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->ipato.invert4? 1:0);
+}
+
+static ssize_t qeth_l3_dev_ipato_invert4_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 (sysfs_streq(buf, "toggle"))
+		card->ipato.invert4 = (card->ipato.invert4)? 0 : 1;
+	else if (sysfs_streq(buf, "1"))
+		card->ipato.invert4 = 1;
+	else if (sysfs_streq(buf, "0"))
+		card->ipato.invert4 = 0;
+	else
+		rc = -EINVAL;
+	mutex_unlock(&card->conf_mutex);
+	return rc ? rc : count;
+}
+
+static QETH_DEVICE_ATTR(ipato_invert4, invert4, 0644,
+			qeth_l3_dev_ipato_invert4_show,
+			qeth_l3_dev_ipato_invert4_store);
+
+static ssize_t qeth_l3_dev_ipato_add_show(char *buf, struct qeth_card *card,
+			enum qeth_prot_versions proto)
+{
+	struct qeth_ipato_entry *ipatoe;
+	unsigned long flags;
+	char addr_str[40];
+	int entry_len; /* length of 1 entry string, differs between v4 and v6 */
+	int i = 0;
+
+	entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
+	/* add strlen for "/<mask>\n" */
+	entry_len += (proto == QETH_PROT_IPV4)? 5 : 6;
+	spin_lock_irqsave(&card->ip_lock, flags);
+	list_for_each_entry(ipatoe, &card->ipato.entries, entry) {
+		if (ipatoe->proto != proto)
+			continue;
+		/* String must not be longer than PAGE_SIZE. So we check if
+		 * string length gets near PAGE_SIZE. Then we can savely display
+		 * the next IPv6 address (worst case, compared to IPv4) */
+		if ((PAGE_SIZE - i) <= entry_len)
+			break;
+		qeth_l3_ipaddr_to_string(proto, ipatoe->addr, addr_str);
+		i += snprintf(buf + i, PAGE_SIZE - i,
+			      "%s/%i\n", addr_str, ipatoe->mask_bits);
+	}
+	spin_unlock_irqrestore(&card->ip_lock, flags);
+	i += snprintf(buf + i, PAGE_SIZE - i, "\n");
+
+	return i;
+}
+
+static ssize_t qeth_l3_dev_ipato_add4_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_ipato_add_show(buf, card, QETH_PROT_IPV4);
+}
+
+static int qeth_l3_parse_ipatoe(const char *buf, enum qeth_prot_versions proto,
+		  u8 *addr, int *mask_bits)
+{
+	const char *start, *end;
+	char *tmp;
+	char buffer[40] = {0, };
+
+	start = buf;
+	/* get address string */
+	end = strchr(start, '/');
+	if (!end || (end - start >= 40)) {
+		return -EINVAL;
+	}
+	strncpy(buffer, start, end - start);
+	if (qeth_l3_string_to_ipaddr(buffer, proto, addr)) {
+		return -EINVAL;
+	}
+	start = end + 1;
+	*mask_bits = simple_strtoul(start, &tmp, 10);
+	if (!strlen(start) ||
+	    (tmp == start) ||
+	    (*mask_bits > ((proto == QETH_PROT_IPV4) ? 32 : 128))) {
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static ssize_t qeth_l3_dev_ipato_add_store(const char *buf, size_t count,
+			 struct qeth_card *card, enum qeth_prot_versions proto)
+{
+	struct qeth_ipato_entry *ipatoe;
+	u8 addr[16];
+	int mask_bits;
+	int rc = 0;
+
+	mutex_lock(&card->conf_mutex);
+	rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
+	if (rc)
+		goto out;
+
+	ipatoe = kzalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL);
+	if (!ipatoe) {
+		rc = -ENOMEM;
+		goto out;
+	}
+	ipatoe->proto = proto;
+	memcpy(ipatoe->addr, addr, (proto == QETH_PROT_IPV4)? 4:16);
+	ipatoe->mask_bits = mask_bits;
+
+	rc = qeth_l3_add_ipato_entry(card, ipatoe);
+	if (rc)
+		kfree(ipatoe);
+out:
+	mutex_unlock(&card->conf_mutex);
+	return rc ? rc : count;
+}
+
+static ssize_t qeth_l3_dev_ipato_add4_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV4);
+}
+
+static QETH_DEVICE_ATTR(ipato_add4, add4, 0644,
+			qeth_l3_dev_ipato_add4_show,
+			qeth_l3_dev_ipato_add4_store);
+
+static ssize_t qeth_l3_dev_ipato_del_store(const char *buf, size_t count,
+			 struct qeth_card *card, enum qeth_prot_versions proto)
+{
+	u8 addr[16];
+	int mask_bits;
+	int rc = 0;
+
+	mutex_lock(&card->conf_mutex);
+	rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
+	if (!rc)
+		qeth_l3_del_ipato_entry(card, proto, addr, mask_bits);
+	mutex_unlock(&card->conf_mutex);
+	return rc ? rc : count;
+}
+
+static ssize_t qeth_l3_dev_ipato_del4_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV4);
+}
+
+static QETH_DEVICE_ATTR(ipato_del4, del4, 0200, NULL,
+			qeth_l3_dev_ipato_del4_store);
+
+static ssize_t qeth_l3_dev_ipato_invert6_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->ipato.invert6? 1:0);
+}
+
+static ssize_t qeth_l3_dev_ipato_invert6_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 (sysfs_streq(buf, "toggle"))
+		card->ipato.invert6 = (card->ipato.invert6)? 0 : 1;
+	else if (sysfs_streq(buf, "1"))
+		card->ipato.invert6 = 1;
+	else if (sysfs_streq(buf, "0"))
+		card->ipato.invert6 = 0;
+	else
+		rc = -EINVAL;
+	mutex_unlock(&card->conf_mutex);
+	return rc ? rc : count;
+}
+
+static QETH_DEVICE_ATTR(ipato_invert6, invert6, 0644,
+			qeth_l3_dev_ipato_invert6_show,
+			qeth_l3_dev_ipato_invert6_store);
+
+
+static ssize_t qeth_l3_dev_ipato_add6_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_ipato_add_show(buf, card, QETH_PROT_IPV6);
+}
+
+static ssize_t qeth_l3_dev_ipato_add6_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_ipato_add_store(buf, count, card, QETH_PROT_IPV6);
+}
+
+static QETH_DEVICE_ATTR(ipato_add6, add6, 0644,
+			qeth_l3_dev_ipato_add6_show,
+			qeth_l3_dev_ipato_add6_store);
+
+static ssize_t qeth_l3_dev_ipato_del6_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_ipato_del_store(buf, count, card, QETH_PROT_IPV6);
+}
+
+static QETH_DEVICE_ATTR(ipato_del6, del6, 0200, NULL,
+			qeth_l3_dev_ipato_del6_store);
+
+static struct attribute *qeth_ipato_device_attrs[] = {
+	&dev_attr_ipato_enable.attr,
+	&dev_attr_ipato_invert4.attr,
+	&dev_attr_ipato_add4.attr,
+	&dev_attr_ipato_del4.attr,
+	&dev_attr_ipato_invert6.attr,
+	&dev_attr_ipato_add6.attr,
+	&dev_attr_ipato_del6.attr,
+	NULL,
+};
+
+static struct attribute_group qeth_device_ipato_group = {
+	.name = "ipa_takeover",
+	.attrs = qeth_ipato_device_attrs,
+};
+
+static ssize_t qeth_l3_dev_vipa_add_show(char *buf, struct qeth_card *card,
+			enum qeth_prot_versions proto)
+{
+	struct qeth_ipaddr *ipaddr;
+	char addr_str[40];
+	int entry_len; /* length of 1 entry string, differs between v4 and v6 */
+	unsigned long flags;
+	int i = 0;
+
+	entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
+	entry_len += 2; /* \n + terminator */
+	spin_lock_irqsave(&card->ip_lock, flags);
+	list_for_each_entry(ipaddr, &card->ip_list, entry) {
+		if (ipaddr->proto != proto)
+			continue;
+		if (ipaddr->type != QETH_IP_TYPE_VIPA)
+			continue;
+		/* String must not be longer than PAGE_SIZE. So we check if
+		 * string length gets near PAGE_SIZE. Then we can savely display
+		 * the next IPv6 address (worst case, compared to IPv4) */
+		if ((PAGE_SIZE - i) <= entry_len)
+			break;
+		qeth_l3_ipaddr_to_string(proto, (const u8 *)&ipaddr->u,
+			addr_str);
+		i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
+	}
+	spin_unlock_irqrestore(&card->ip_lock, flags);
+	i += snprintf(buf + i, PAGE_SIZE - i, "\n");
+
+	return i;
+}
+
+static ssize_t qeth_l3_dev_vipa_add4_show(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_vipa_add_show(buf, card, QETH_PROT_IPV4);
+}
+
+static int qeth_l3_parse_vipae(const char *buf, enum qeth_prot_versions proto,
+		 u8 *addr)
+{
+	if (qeth_l3_string_to_ipaddr(buf, proto, addr)) {
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static ssize_t qeth_l3_dev_vipa_add_store(const char *buf, size_t count,
+			struct qeth_card *card, enum qeth_prot_versions proto)
+{
+	u8 addr[16] = {0, };
+	int rc;
+
+	mutex_lock(&card->conf_mutex);
+	rc = qeth_l3_parse_vipae(buf, proto, addr);
+	if (!rc)
+		rc = qeth_l3_add_vipa(card, proto, addr);
+	mutex_unlock(&card->conf_mutex);
+	return rc ? rc : count;
+}
+
+static ssize_t qeth_l3_dev_vipa_add4_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV4);
+}
+
+static QETH_DEVICE_ATTR(vipa_add4, add4, 0644,
+			qeth_l3_dev_vipa_add4_show,
+			qeth_l3_dev_vipa_add4_store);
+
+static ssize_t qeth_l3_dev_vipa_del_store(const char *buf, size_t count,
+			 struct qeth_card *card, enum qeth_prot_versions proto)
+{
+	u8 addr[16];
+	int rc;
+
+	mutex_lock(&card->conf_mutex);
+	rc = qeth_l3_parse_vipae(buf, proto, addr);
+	if (!rc)
+		qeth_l3_del_vipa(card, proto, addr);
+	mutex_unlock(&card->conf_mutex);
+	return rc ? rc : count;
+}
+
+static ssize_t qeth_l3_dev_vipa_del4_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV4);
+}
+
+static QETH_DEVICE_ATTR(vipa_del4, del4, 0200, NULL,
+			qeth_l3_dev_vipa_del4_store);
+
+static ssize_t qeth_l3_dev_vipa_add6_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_vipa_add_show(buf, card, QETH_PROT_IPV6);
+}
+
+static ssize_t qeth_l3_dev_vipa_add6_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_vipa_add_store(buf, count, card, QETH_PROT_IPV6);
+}
+
+static QETH_DEVICE_ATTR(vipa_add6, add6, 0644,
+			qeth_l3_dev_vipa_add6_show,
+			qeth_l3_dev_vipa_add6_store);
+
+static ssize_t qeth_l3_dev_vipa_del6_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_vipa_del_store(buf, count, card, QETH_PROT_IPV6);
+}
+
+static QETH_DEVICE_ATTR(vipa_del6, del6, 0200, NULL,
+			qeth_l3_dev_vipa_del6_store);
+
+static struct attribute *qeth_vipa_device_attrs[] = {
+	&dev_attr_vipa_add4.attr,
+	&dev_attr_vipa_del4.attr,
+	&dev_attr_vipa_add6.attr,
+	&dev_attr_vipa_del6.attr,
+	NULL,
+};
+
+static struct attribute_group qeth_device_vipa_group = {
+	.name = "vipa",
+	.attrs = qeth_vipa_device_attrs,
+};
+
+static ssize_t qeth_l3_dev_rxip_add_show(char *buf, struct qeth_card *card,
+		       enum qeth_prot_versions proto)
+{
+	struct qeth_ipaddr *ipaddr;
+	char addr_str[40];
+	int entry_len; /* length of 1 entry string, differs between v4 and v6 */
+	unsigned long flags;
+	int i = 0;
+
+	entry_len = (proto == QETH_PROT_IPV4)? 12 : 40;
+	entry_len += 2; /* \n + terminator */
+	spin_lock_irqsave(&card->ip_lock, flags);
+	list_for_each_entry(ipaddr, &card->ip_list, entry) {
+		if (ipaddr->proto != proto)
+			continue;
+		if (ipaddr->type != QETH_IP_TYPE_RXIP)
+			continue;
+		/* String must not be longer than PAGE_SIZE. So we check if
+		 * string length gets near PAGE_SIZE. Then we can savely display
+		 * the next IPv6 address (worst case, compared to IPv4) */
+		if ((PAGE_SIZE - i) <= entry_len)
+			break;
+		qeth_l3_ipaddr_to_string(proto, (const u8 *)&ipaddr->u,
+			addr_str);
+		i += snprintf(buf + i, PAGE_SIZE - i, "%s\n", addr_str);
+	}
+	spin_unlock_irqrestore(&card->ip_lock, flags);
+	i += snprintf(buf + i, PAGE_SIZE - i, "\n");
+
+	return i;
+}
+
+static ssize_t qeth_l3_dev_rxip_add4_show(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_rxip_add_show(buf, card, QETH_PROT_IPV4);
+}
+
+static int qeth_l3_parse_rxipe(const char *buf, enum qeth_prot_versions proto,
+		 u8 *addr)
+{
+	if (qeth_l3_string_to_ipaddr(buf, proto, addr)) {
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static ssize_t qeth_l3_dev_rxip_add_store(const char *buf, size_t count,
+			struct qeth_card *card, enum qeth_prot_versions proto)
+{
+	u8 addr[16] = {0, };
+	int rc;
+
+	mutex_lock(&card->conf_mutex);
+	rc = qeth_l3_parse_rxipe(buf, proto, addr);
+	if (!rc)
+		rc = qeth_l3_add_rxip(card, proto, addr);
+	mutex_unlock(&card->conf_mutex);
+	return rc ? rc : count;
+}
+
+static ssize_t qeth_l3_dev_rxip_add4_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV4);
+}
+
+static QETH_DEVICE_ATTR(rxip_add4, add4, 0644,
+			qeth_l3_dev_rxip_add4_show,
+			qeth_l3_dev_rxip_add4_store);
+
+static ssize_t qeth_l3_dev_rxip_del_store(const char *buf, size_t count,
+			struct qeth_card *card, enum qeth_prot_versions proto)
+{
+	u8 addr[16];
+	int rc;
+
+	mutex_lock(&card->conf_mutex);
+	rc = qeth_l3_parse_rxipe(buf, proto, addr);
+	if (!rc)
+		qeth_l3_del_rxip(card, proto, addr);
+	mutex_unlock(&card->conf_mutex);
+	return rc ? rc : count;
+}
+
+static ssize_t qeth_l3_dev_rxip_del4_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV4);
+}
+
+static QETH_DEVICE_ATTR(rxip_del4, del4, 0200, NULL,
+			qeth_l3_dev_rxip_del4_store);
+
+static ssize_t qeth_l3_dev_rxip_add6_show(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_rxip_add_show(buf, card, QETH_PROT_IPV6);
+}
+
+static ssize_t qeth_l3_dev_rxip_add6_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_rxip_add_store(buf, count, card, QETH_PROT_IPV6);
+}
+
+static QETH_DEVICE_ATTR(rxip_add6, add6, 0644,
+			qeth_l3_dev_rxip_add6_show,
+			qeth_l3_dev_rxip_add6_store);
+
+static ssize_t qeth_l3_dev_rxip_del6_store(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct qeth_card *card = dev_get_drvdata(dev);
+
+	if (!card)
+		return -EINVAL;
+
+	return qeth_l3_dev_rxip_del_store(buf, count, card, QETH_PROT_IPV6);
+}
+
+static QETH_DEVICE_ATTR(rxip_del6, del6, 0200, NULL,
+			qeth_l3_dev_rxip_del6_store);
+
+static struct attribute *qeth_rxip_device_attrs[] = {
+	&dev_attr_rxip_add4.attr,
+	&dev_attr_rxip_del4.attr,
+	&dev_attr_rxip_add6.attr,
+	&dev_attr_rxip_del6.attr,
+	NULL,
+};
+
+static struct attribute_group qeth_device_rxip_group = {
+	.name = "rxip",
+	.attrs = qeth_rxip_device_attrs,
+};
+
+int qeth_l3_create_device_attributes(struct device *dev)
+{
+	int ret;
+
+	ret = sysfs_create_group(&dev->kobj, &qeth_l3_device_attr_group);
+	if (ret)
+		return ret;
+
+	ret = sysfs_create_group(&dev->kobj, &qeth_device_ipato_group);
+	if (ret) {
+		sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
+		return ret;
+	}
+
+	ret = sysfs_create_group(&dev->kobj, &qeth_device_vipa_group);
+	if (ret) {
+		sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
+		sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
+		return ret;
+	}
+
+	ret = sysfs_create_group(&dev->kobj, &qeth_device_rxip_group);
+	if (ret) {
+		sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
+		sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
+		sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
+		return ret;
+	}
+	return 0;
+}
+
+void qeth_l3_remove_device_attributes(struct device *dev)
+{
+	sysfs_remove_group(&dev->kobj, &qeth_l3_device_attr_group);
+	sysfs_remove_group(&dev->kobj, &qeth_device_ipato_group);
+	sysfs_remove_group(&dev->kobj, &qeth_device_vipa_group);
+	sysfs_remove_group(&dev->kobj, &qeth_device_rxip_group);
+}