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path: root/drivers/s390/net/qeth_l2_sys.c
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Diffstat (limited to 'drivers/s390/net/qeth_l2_sys.c')
-rw-r--r--drivers/s390/net/qeth_l2_sys.c215
1 files changed, 193 insertions, 22 deletions
diff --git a/drivers/s390/net/qeth_l2_sys.c b/drivers/s390/net/qeth_l2_sys.c
index d33d413f7150..f2c3b127b1e4 100644
--- a/drivers/s390/net/qeth_l2_sys.c
+++ b/drivers/s390/net/qeth_l2_sys.c
@@ -21,6 +21,9 @@ static ssize_t qeth_bridge_port_role_state_show(struct device *dev,
if (!card)
return -EINVAL;
+ if (qeth_l2_vnicc_is_in_use(card))
+ return sprintf(buf, "n/a (VNIC characteristics)\n");
+
if (qeth_card_hw_is_reachable(card) &&
card->options.sbp.supported_funcs)
rc = qeth_bridgeport_query_ports(card,
@@ -61,6 +64,11 @@ static ssize_t qeth_bridge_port_role_state_show(struct device *dev,
static ssize_t qeth_bridge_port_role_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
+ struct qeth_card *card = dev_get_drvdata(dev);
+
+ if (qeth_l2_vnicc_is_in_use(card))
+ return sprintf(buf, "n/a (VNIC characteristics)\n");
+
return qeth_bridge_port_role_state_show(dev, attr, buf, 0);
}
@@ -84,7 +92,10 @@ static ssize_t qeth_bridge_port_role_store(struct device *dev,
mutex_lock(&card->conf_mutex);
- if (card->options.sbp.reflect_promisc) /* Forbid direct manipulation */
+ if (qeth_l2_vnicc_is_in_use(card))
+ rc = -EBUSY;
+ else if (card->options.sbp.reflect_promisc)
+ /* Forbid direct manipulation */
rc = -EPERM;
else if (qeth_card_hw_is_reachable(card)) {
rc = qeth_bridgeport_setrole(card, role);
@@ -104,6 +115,11 @@ static DEVICE_ATTR(bridge_role, 0644, qeth_bridge_port_role_show,
static ssize_t qeth_bridge_port_state_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
+ struct qeth_card *card = dev_get_drvdata(dev);
+
+ if (qeth_l2_vnicc_is_in_use(card))
+ return sprintf(buf, "n/a (VNIC characteristics)\n");
+
return qeth_bridge_port_role_state_show(dev, attr, buf, 1);
}
@@ -119,6 +135,9 @@ static ssize_t qeth_bridgeport_hostnotification_show(struct device *dev,
if (!card)
return -EINVAL;
+ if (qeth_l2_vnicc_is_in_use(card))
+ return sprintf(buf, "n/a (VNIC characteristics)\n");
+
enabled = card->options.sbp.hostnotification;
return sprintf(buf, "%d\n", enabled);
@@ -128,22 +147,21 @@ static ssize_t qeth_bridgeport_hostnotification_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 enable;
+ bool enable;
+ int rc;
if (!card)
return -EINVAL;
- if (sysfs_streq(buf, "0"))
- enable = 0;
- else if (sysfs_streq(buf, "1"))
- enable = 1;
- else
- return -EINVAL;
+ rc = kstrtobool(buf, &enable);
+ if (rc)
+ return rc;
mutex_lock(&card->conf_mutex);
- if (qeth_card_hw_is_reachable(card)) {
+ if (qeth_l2_vnicc_is_in_use(card))
+ rc = -EBUSY;
+ else if (qeth_card_hw_is_reachable(card)) {
rc = qeth_bridgeport_an_set(card, enable);
if (!rc)
card->options.sbp.hostnotification = enable;
@@ -168,6 +186,9 @@ static ssize_t qeth_bridgeport_reflect_show(struct device *dev,
if (!card)
return -EINVAL;
+ if (qeth_l2_vnicc_is_in_use(card))
+ return sprintf(buf, "n/a (VNIC characteristics)\n");
+
if (card->options.sbp.reflect_promisc) {
if (card->options.sbp.reflect_promisc_primary)
state = "primary";
@@ -203,7 +224,9 @@ static ssize_t qeth_bridgeport_reflect_store(struct device *dev,
mutex_lock(&card->conf_mutex);
- if (card->options.sbp.role != QETH_SBP_ROLE_NONE)
+ if (qeth_l2_vnicc_is_in_use(card))
+ rc = -EBUSY;
+ else if (card->options.sbp.role != QETH_SBP_ROLE_NONE)
rc = -EPERM;
else {
card->options.sbp.reflect_promisc = enable;
@@ -232,16 +255,6 @@ static struct attribute_group qeth_l2_bridgeport_attr_group = {
.attrs = qeth_l2_bridgeport_attrs,
};
-int qeth_l2_create_device_attributes(struct device *dev)
-{
- return sysfs_create_group(&dev->kobj, &qeth_l2_bridgeport_attr_group);
-}
-
-void qeth_l2_remove_device_attributes(struct device *dev)
-{
- sysfs_remove_group(&dev->kobj, &qeth_l2_bridgeport_attr_group);
-}
-
/**
* qeth_l2_setup_bridgeport_attrs() - set/restore attrs when turning online.
* @card: qeth_card structure pointer
@@ -271,10 +284,168 @@ void qeth_l2_setup_bridgeport_attrs(struct qeth_card *card)
qeth_bridgeport_an_set(card, 0);
}
+/* VNIC CHARS support */
+
+/* convert sysfs attr name to VNIC characteristic */
+static u32 qeth_l2_vnicc_sysfs_attr_to_char(const char *attr_name)
+{
+ if (sysfs_streq(attr_name, "flooding"))
+ return QETH_VNICC_FLOODING;
+ else if (sysfs_streq(attr_name, "mcast_flooding"))
+ return QETH_VNICC_MCAST_FLOODING;
+ else if (sysfs_streq(attr_name, "learning"))
+ return QETH_VNICC_LEARNING;
+ else if (sysfs_streq(attr_name, "takeover_setvmac"))
+ return QETH_VNICC_TAKEOVER_SETVMAC;
+ else if (sysfs_streq(attr_name, "takeover_learning"))
+ return QETH_VNICC_TAKEOVER_LEARNING;
+ else if (sysfs_streq(attr_name, "bridge_invisible"))
+ return QETH_VNICC_BRIDGE_INVISIBLE;
+ else if (sysfs_streq(attr_name, "rx_bcast"))
+ return QETH_VNICC_RX_BCAST;
+
+ return 0;
+}
+
+/* get current timeout setting */
+static ssize_t qeth_vnicc_timeout_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct qeth_card *card = dev_get_drvdata(dev);
+ u32 timeout;
+ int rc;
+
+ if (!card)
+ return -EINVAL;
+
+ rc = qeth_l2_vnicc_get_timeout(card, &timeout);
+ if (rc == -EBUSY)
+ return sprintf(buf, "n/a (BridgePort)\n");
+ if (rc == -EOPNOTSUPP)
+ return sprintf(buf, "n/a\n");
+ return rc ? rc : sprintf(buf, "%d\n", timeout);
+}
+
+/* change timeout setting */
+static ssize_t qeth_vnicc_timeout_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct qeth_card *card = dev_get_drvdata(dev);
+ u32 timeout;
+ int rc;
+
+ if (!card)
+ return -EINVAL;
+
+ rc = kstrtou32(buf, 10, &timeout);
+ if (rc)
+ return rc;
+
+ mutex_lock(&card->conf_mutex);
+ rc = qeth_l2_vnicc_set_timeout(card, timeout);
+ mutex_unlock(&card->conf_mutex);
+ return rc ? rc : count;
+}
+
+/* get current setting of characteristic */
+static ssize_t qeth_vnicc_char_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct qeth_card *card = dev_get_drvdata(dev);
+ bool state;
+ u32 vnicc;
+ int rc;
+
+ if (!card)
+ return -EINVAL;
+
+ vnicc = qeth_l2_vnicc_sysfs_attr_to_char(attr->attr.name);
+ rc = qeth_l2_vnicc_get_state(card, vnicc, &state);
+
+ if (rc == -EBUSY)
+ return sprintf(buf, "n/a (BridgePort)\n");
+ if (rc == -EOPNOTSUPP)
+ return sprintf(buf, "n/a\n");
+ return rc ? rc : sprintf(buf, "%d\n", state);
+}
+
+/* change setting of characteristic */
+static ssize_t qeth_vnicc_char_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct qeth_card *card = dev_get_drvdata(dev);
+ bool state;
+ u32 vnicc;
+ int rc;
+
+ if (!card)
+ return -EINVAL;
+
+ if (kstrtobool(buf, &state))
+ return -EINVAL;
+
+ vnicc = qeth_l2_vnicc_sysfs_attr_to_char(attr->attr.name);
+ mutex_lock(&card->conf_mutex);
+ rc = qeth_l2_vnicc_set_state(card, vnicc, state);
+ mutex_unlock(&card->conf_mutex);
+
+ return rc ? rc : count;
+}
+
+static DEVICE_ATTR(flooding, 0644, qeth_vnicc_char_show, qeth_vnicc_char_store);
+static DEVICE_ATTR(mcast_flooding, 0644, qeth_vnicc_char_show,
+ qeth_vnicc_char_store);
+static DEVICE_ATTR(learning, 0644, qeth_vnicc_char_show, qeth_vnicc_char_store);
+static DEVICE_ATTR(learning_timeout, 0644, qeth_vnicc_timeout_show,
+ qeth_vnicc_timeout_store);
+static DEVICE_ATTR(takeover_setvmac, 0644, qeth_vnicc_char_show,
+ qeth_vnicc_char_store);
+static DEVICE_ATTR(takeover_learning, 0644, qeth_vnicc_char_show,
+ qeth_vnicc_char_store);
+static DEVICE_ATTR(bridge_invisible, 0644, qeth_vnicc_char_show,
+ qeth_vnicc_char_store);
+static DEVICE_ATTR(rx_bcast, 0644, qeth_vnicc_char_show, qeth_vnicc_char_store);
+
+static struct attribute *qeth_l2_vnicc_attrs[] = {
+ &dev_attr_flooding.attr,
+ &dev_attr_mcast_flooding.attr,
+ &dev_attr_learning.attr,
+ &dev_attr_learning_timeout.attr,
+ &dev_attr_takeover_setvmac.attr,
+ &dev_attr_takeover_learning.attr,
+ &dev_attr_bridge_invisible.attr,
+ &dev_attr_rx_bcast.attr,
+ NULL,
+};
+
+static struct attribute_group qeth_l2_vnicc_attr_group = {
+ .attrs = qeth_l2_vnicc_attrs,
+ .name = "vnicc",
+};
+
+static const struct attribute_group *qeth_l2_only_attr_groups[] = {
+ &qeth_l2_bridgeport_attr_group,
+ &qeth_l2_vnicc_attr_group,
+ NULL,
+};
+
+int qeth_l2_create_device_attributes(struct device *dev)
+{
+ return sysfs_create_groups(&dev->kobj, qeth_l2_only_attr_groups);
+}
+
+void qeth_l2_remove_device_attributes(struct device *dev)
+{
+ sysfs_remove_groups(&dev->kobj, qeth_l2_only_attr_groups);
+}
+
const struct attribute_group *qeth_l2_attr_groups[] = {
&qeth_device_attr_group,
&qeth_device_blkt_group,
- /* l2 specific, see l2_{create,remove}_device_attributes(): */
+ /* l2 specific, see qeth_l2_only_attr_groups: */
&qeth_l2_bridgeport_attr_group,
+ &qeth_l2_vnicc_attr_group,
NULL,
};