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Diffstat (limited to 'drivers/s390/net/qeth_l3_sys.c')
-rw-r--r--drivers/s390/net/qeth_l3_sys.c814
1 files changed, 814 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..dba9b3070
--- /dev/null
+++ b/drivers/s390/net/qeth_l3_sys.c
@@ -0,0 +1,814 @@
+// 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>
+ */
+
+#include <linux/slab.h>
+#include <asm/ebcdic.h>
+#include <linux/hashtable.h>
+#include <linux/inet.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 int qeth_l3_string_to_ipaddr(const char *buf,
+ enum qeth_prot_versions proto, u8 *addr)
+{
+ const char *end;
+
+ if ((proto == QETH_PROT_IPV4 && !in4_pton(buf, -1, addr, -1, &end)) ||
+ (proto == QETH_PROT_IPV6 && !in6_pton(buf, -1, addr, -1, &end)))
+ return -EINVAL;
+ return 0;
+}
+
+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);
+
+ 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);
+
+ 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);
+
+ 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);
+
+ 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_sniffer_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct qeth_card *card = dev_get_drvdata(dev);
+
+ 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 (!IS_IQD(card))
+ return -EPERM;
+ if (card->options.cq == QETH_CQ_ENABLED)
+ return -EPERM;
+
+ mutex_lock(&card->conf_mutex);
+ if (card->state != CARD_STATE_DOWN) {
+ 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 & CHSC_AC2_SNIFFER_AVAILABLE) {
+ card->options.sniffer = i;
+ qeth_resize_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 (!IS_IQD(card))
+ 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);
+ int rc = 0;
+ char *tmp;
+
+ if (!IS_IQD(card))
+ return -EPERM;
+
+ mutex_lock(&card->conf_mutex);
+ if (card->state != CARD_STATE_DOWN) {
+ rc = -EPERM;
+ goto out;
+ }
+
+ if (card->options.sniffer) {
+ rc = -EPERM;
+ goto out;
+ }
+
+ if (card->options.cq == QETH_CQ_NOTAVAILABLE) {
+ rc = -EPERM;
+ goto out;
+ }
+
+ tmp = strsep((char **)&buf, "\n");
+ if (strlen(tmp) > 8) {
+ rc = -EINVAL;
+ goto out;
+ }
+
+ if (card->options.hsuid[0])
+ /* delete old ip address */
+ qeth_l3_modify_hsuid(card, false);
+
+ if (strlen(tmp) == 0) {
+ /* delete ip address only */
+ card->options.hsuid[0] = '\0';
+ memcpy(card->dev->perm_addr, card->options.hsuid, 9);
+ qeth_configure_cq(card, QETH_CQ_DISABLED);
+ goto out;
+ }
+
+ if (qeth_configure_cq(card, QETH_CQ_ENABLED)) {
+ rc = -EPERM;
+ goto out;
+ }
+
+ snprintf(card->options.hsuid, sizeof(card->options.hsuid),
+ "%-8s", tmp);
+ ASCEBC(card->options.hsuid, 8);
+ memcpy(card->dev->perm_addr, card->options.hsuid, 9);
+
+ rc = qeth_l3_modify_hsuid(card, true);
+
+out:
+ mutex_unlock(&card->conf_mutex);
+ return rc ? rc : 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_sniffer.attr,
+ &dev_attr_hsuid.attr,
+ NULL,
+};
+
+static const 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);
+
+ return sprintf(buf, "%u\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);
+ bool enable;
+ int rc = 0;
+
+ mutex_lock(&card->conf_mutex);
+ if (card->state != CARD_STATE_DOWN) {
+ rc = -EPERM;
+ goto out;
+ }
+
+ mutex_lock(&card->ip_lock);
+ if (sysfs_streq(buf, "toggle")) {
+ enable = !card->ipato.enabled;
+ } else if (kstrtobool(buf, &enable)) {
+ rc = -EINVAL;
+ goto unlock_ip;
+ }
+
+ if (card->ipato.enabled != enable) {
+ card->ipato.enabled = enable;
+ qeth_l3_update_ipato(card);
+ }
+
+unlock_ip:
+ mutex_unlock(&card->ip_lock);
+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);
+
+ return sprintf(buf, "%u\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);
+ bool invert;
+ int rc = 0;
+
+ mutex_lock(&card->ip_lock);
+ if (sysfs_streq(buf, "toggle")) {
+ invert = !card->ipato.invert4;
+ } else if (kstrtobool(buf, &invert)) {
+ rc = -EINVAL;
+ goto out;
+ }
+
+ if (card->ipato.invert4 != invert) {
+ card->ipato.invert4 = invert;
+ qeth_l3_update_ipato(card);
+ }
+
+out:
+ mutex_unlock(&card->ip_lock);
+ 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;
+ int str_len = 0;
+
+ mutex_lock(&card->ip_lock);
+ list_for_each_entry(ipatoe, &card->ipato.entries, entry) {
+ char addr_str[40];
+ int entry_len;
+
+ if (ipatoe->proto != proto)
+ continue;
+
+ entry_len = qeth_l3_ipaddr_to_string(proto, ipatoe->addr,
+ addr_str);
+ if (entry_len < 0)
+ continue;
+
+ /* Append /%mask to the entry: */
+ entry_len += 1 + ((proto == QETH_PROT_IPV4) ? 2 : 3);
+ /* Enough room to format %entry\n into null terminated page? */
+ if (entry_len + 1 > PAGE_SIZE - str_len - 1)
+ break;
+
+ entry_len = scnprintf(buf, PAGE_SIZE - str_len,
+ "%s/%i\n", addr_str, ipatoe->mask_bits);
+ str_len += entry_len;
+ buf += entry_len;
+ }
+ mutex_unlock(&card->ip_lock);
+
+ return str_len ? str_len : scnprintf(buf, PAGE_SIZE, "\n");
+}
+
+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);
+
+ 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, unsigned int *mask_bits)
+{
+ char *sep;
+ int rc;
+
+ /* Expected input pattern: %addr/%mask */
+ sep = strnchr(buf, 40, '/');
+ if (!sep)
+ return -EINVAL;
+
+ /* Terminate the %addr sub-string, and parse it: */
+ *sep = '\0';
+ rc = qeth_l3_string_to_ipaddr(buf, proto, addr);
+ if (rc)
+ return rc;
+
+ rc = kstrtouint(sep + 1, 10, mask_bits);
+ if (rc)
+ return rc;
+
+ if (*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;
+ unsigned int mask_bits;
+ u8 addr[16];
+ int rc = 0;
+
+ rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
+ if (rc)
+ return rc;
+
+ ipatoe = kzalloc(sizeof(struct qeth_ipato_entry), GFP_KERNEL);
+ if (!ipatoe)
+ return -ENOMEM;
+
+ 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);
+
+ 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);
+
+ 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)
+{
+ unsigned int mask_bits;
+ u8 addr[16];
+ int rc = 0;
+
+ rc = qeth_l3_parse_ipatoe(buf, proto, addr, &mask_bits);
+ if (!rc)
+ rc = qeth_l3_del_ipato_entry(card, proto, addr, mask_bits);
+ 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);
+
+ 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);
+
+ return sprintf(buf, "%u\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);
+ bool invert;
+ int rc = 0;
+
+ mutex_lock(&card->ip_lock);
+ if (sysfs_streq(buf, "toggle")) {
+ invert = !card->ipato.invert6;
+ } else if (kstrtobool(buf, &invert)) {
+ rc = -EINVAL;
+ goto out;
+ }
+
+ if (card->ipato.invert6 != invert) {
+ card->ipato.invert6 = invert;
+ qeth_l3_update_ipato(card);
+ }
+
+out:
+ mutex_unlock(&card->ip_lock);
+ 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);
+
+ 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);
+
+ 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);
+
+ 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 const struct attribute_group qeth_device_ipato_group = {
+ .name = "ipa_takeover",
+ .attrs = qeth_ipato_device_attrs,
+};
+
+static ssize_t qeth_l3_dev_ip_add_show(struct device *dev, char *buf,
+ enum qeth_prot_versions proto,
+ enum qeth_ip_types type)
+{
+ struct qeth_card *card = dev_get_drvdata(dev);
+ struct qeth_ipaddr *ipaddr;
+ int str_len = 0;
+ int i;
+
+ mutex_lock(&card->ip_lock);
+ hash_for_each(card->ip_htable, i, ipaddr, hnode) {
+ char addr_str[40];
+ int entry_len;
+
+ if (ipaddr->proto != proto || ipaddr->type != type)
+ continue;
+
+ entry_len = qeth_l3_ipaddr_to_string(proto, (u8 *)&ipaddr->u,
+ addr_str);
+ if (entry_len < 0)
+ continue;
+
+ /* Enough room to format %addr\n into null terminated page? */
+ if (entry_len + 1 > PAGE_SIZE - str_len - 1)
+ break;
+
+ entry_len = scnprintf(buf, PAGE_SIZE - str_len, "%s\n",
+ addr_str);
+ str_len += entry_len;
+ buf += entry_len;
+ }
+ mutex_unlock(&card->ip_lock);
+
+ return str_len ? str_len : scnprintf(buf, PAGE_SIZE, "\n");
+}
+
+static ssize_t qeth_l3_dev_vipa_add4_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return qeth_l3_dev_ip_add_show(dev, buf, QETH_PROT_IPV4,
+ QETH_IP_TYPE_VIPA);
+}
+
+static ssize_t qeth_l3_vipa_store(struct device *dev, const char *buf, bool add,
+ size_t count, enum qeth_prot_versions proto)
+{
+ struct qeth_card *card = dev_get_drvdata(dev);
+ u8 addr[16] = {0, };
+ int rc;
+
+ rc = qeth_l3_string_to_ipaddr(buf, proto, addr);
+ if (!rc)
+ rc = qeth_l3_modify_rxip_vipa(card, add, addr,
+ QETH_IP_TYPE_VIPA, proto);
+ 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)
+{
+ return qeth_l3_vipa_store(dev, buf, true, count, 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_del4_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ return qeth_l3_vipa_store(dev, buf, false, count, 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)
+{
+ return qeth_l3_dev_ip_add_show(dev, buf, QETH_PROT_IPV6,
+ QETH_IP_TYPE_VIPA);
+}
+
+static ssize_t qeth_l3_dev_vipa_add6_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ return qeth_l3_vipa_store(dev, buf, true, count, 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)
+{
+ return qeth_l3_vipa_store(dev, buf, false, count, 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 const struct attribute_group qeth_device_vipa_group = {
+ .name = "vipa",
+ .attrs = qeth_vipa_device_attrs,
+};
+
+static ssize_t qeth_l3_dev_rxip_add4_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return qeth_l3_dev_ip_add_show(dev, buf, QETH_PROT_IPV4,
+ QETH_IP_TYPE_RXIP);
+}
+
+static int qeth_l3_parse_rxipe(const char *buf, enum qeth_prot_versions proto,
+ u8 *addr)
+{
+ __be32 ipv4_addr;
+ struct in6_addr ipv6_addr;
+
+ if (qeth_l3_string_to_ipaddr(buf, proto, addr)) {
+ return -EINVAL;
+ }
+ if (proto == QETH_PROT_IPV4) {
+ memcpy(&ipv4_addr, addr, sizeof(ipv4_addr));
+ if (ipv4_is_multicast(ipv4_addr)) {
+ QETH_DBF_MESSAGE(2, "multicast rxip not supported.\n");
+ return -EINVAL;
+ }
+ } else if (proto == QETH_PROT_IPV6) {
+ memcpy(&ipv6_addr, addr, sizeof(ipv6_addr));
+ if (ipv6_addr_is_multicast(&ipv6_addr)) {
+ QETH_DBF_MESSAGE(2, "multicast rxip not supported.\n");
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static ssize_t qeth_l3_rxip_store(struct device *dev, const char *buf, bool add,
+ size_t count, enum qeth_prot_versions proto)
+{
+ struct qeth_card *card = dev_get_drvdata(dev);
+ u8 addr[16] = {0, };
+ int rc;
+
+ rc = qeth_l3_parse_rxipe(buf, proto, addr);
+ if (!rc)
+ rc = qeth_l3_modify_rxip_vipa(card, add, addr,
+ QETH_IP_TYPE_RXIP, proto);
+ 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)
+{
+ return qeth_l3_rxip_store(dev, buf, true, count, 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_del4_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ return qeth_l3_rxip_store(dev, buf, false, count, 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)
+{
+ return qeth_l3_dev_ip_add_show(dev, buf, QETH_PROT_IPV6,
+ QETH_IP_TYPE_RXIP);
+}
+
+static ssize_t qeth_l3_dev_rxip_add6_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ return qeth_l3_rxip_store(dev, buf, true, count, 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)
+{
+ return qeth_l3_rxip_store(dev, buf, false, count, 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 const struct attribute_group qeth_device_rxip_group = {
+ .name = "rxip",
+ .attrs = qeth_rxip_device_attrs,
+};
+
+const struct attribute_group *qeth_l3_attr_groups[] = {
+ &qeth_l3_device_attr_group,
+ &qeth_device_ipato_group,
+ &qeth_device_vipa_group,
+ &qeth_device_rxip_group,
+ NULL,
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 02:54:13 +0000