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Diffstat (limited to 'net/core/net-sysfs.c')
-rw-r--r--net/core/net-sysfs.c154
1 files changed, 87 insertions, 67 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 1cac29ebb05b..9dd06699b09c 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -43,12 +43,12 @@ static ssize_t netdev_show(const struct device *dev,
struct device_attribute *attr, char *buf,
ssize_t (*format)(const struct net_device *, char *))
{
- struct net_device *net = to_net_dev(dev);
+ struct net_device *ndev = to_net_dev(dev);
ssize_t ret = -EINVAL;
read_lock(&dev_base_lock);
- if (dev_isalive(net))
- ret = (*format)(net, buf);
+ if (dev_isalive(ndev))
+ ret = (*format)(ndev, buf);
read_unlock(&dev_base_lock);
return ret;
@@ -56,9 +56,9 @@ static ssize_t netdev_show(const struct device *dev,
/* generate a show function for simple field */
#define NETDEVICE_SHOW(field, format_string) \
-static ssize_t format_##field(const struct net_device *net, char *buf) \
+static ssize_t format_##field(const struct net_device *dev, char *buf) \
{ \
- return sprintf(buf, format_string, net->field); \
+ return sprintf(buf, format_string, dev->field); \
} \
static ssize_t field##_show(struct device *dev, \
struct device_attribute *attr, char *buf) \
@@ -112,16 +112,35 @@ NETDEVICE_SHOW_RO(ifindex, fmt_dec);
NETDEVICE_SHOW_RO(type, fmt_dec);
NETDEVICE_SHOW_RO(link_mode, fmt_dec);
+static ssize_t format_name_assign_type(const struct net_device *dev, char *buf)
+{
+ return sprintf(buf, fmt_dec, dev->name_assign_type);
+}
+
+static ssize_t name_assign_type_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct net_device *ndev = to_net_dev(dev);
+ ssize_t ret = -EINVAL;
+
+ if (ndev->name_assign_type != NET_NAME_UNKNOWN)
+ ret = netdev_show(dev, attr, buf, format_name_assign_type);
+
+ return ret;
+}
+static DEVICE_ATTR_RO(name_assign_type);
+
/* use same locking rules as GIFHWADDR ioctl's */
static ssize_t address_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
- struct net_device *net = to_net_dev(dev);
+ struct net_device *ndev = to_net_dev(dev);
ssize_t ret = -EINVAL;
read_lock(&dev_base_lock);
- if (dev_isalive(net))
- ret = sysfs_format_mac(buf, net->dev_addr, net->addr_len);
+ if (dev_isalive(ndev))
+ ret = sysfs_format_mac(buf, ndev->dev_addr, ndev->addr_len);
read_unlock(&dev_base_lock);
return ret;
}
@@ -130,18 +149,18 @@ static DEVICE_ATTR_RO(address);
static ssize_t broadcast_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct net_device *net = to_net_dev(dev);
- if (dev_isalive(net))
- return sysfs_format_mac(buf, net->broadcast, net->addr_len);
+ struct net_device *ndev = to_net_dev(dev);
+ if (dev_isalive(ndev))
+ return sysfs_format_mac(buf, ndev->broadcast, ndev->addr_len);
return -EINVAL;
}
static DEVICE_ATTR_RO(broadcast);
-static int change_carrier(struct net_device *net, unsigned long new_carrier)
+static int change_carrier(struct net_device *dev, unsigned long new_carrier)
{
- if (!netif_running(net))
+ if (!netif_running(dev))
return -EINVAL;
- return dev_change_carrier(net, (bool) new_carrier);
+ return dev_change_carrier(dev, (bool) new_carrier);
}
static ssize_t carrier_store(struct device *dev, struct device_attribute *attr,
@@ -265,9 +284,9 @@ static DEVICE_ATTR_RO(carrier_changes);
/* read-write attributes */
-static int change_mtu(struct net_device *net, unsigned long new_mtu)
+static int change_mtu(struct net_device *dev, unsigned long new_mtu)
{
- return dev_set_mtu(net, (int) new_mtu);
+ return dev_set_mtu(dev, (int) new_mtu);
}
static ssize_t mtu_store(struct device *dev, struct device_attribute *attr,
@@ -277,9 +296,9 @@ static ssize_t mtu_store(struct device *dev, struct device_attribute *attr,
}
NETDEVICE_SHOW_RW(mtu, fmt_dec);
-static int change_flags(struct net_device *net, unsigned long new_flags)
+static int change_flags(struct net_device *dev, unsigned long new_flags)
{
- return dev_change_flags(net, (unsigned int) new_flags);
+ return dev_change_flags(dev, (unsigned int) new_flags);
}
static ssize_t flags_store(struct device *dev, struct device_attribute *attr,
@@ -289,9 +308,9 @@ static ssize_t flags_store(struct device *dev, struct device_attribute *attr,
}
NETDEVICE_SHOW_RW(flags, fmt_hex);
-static int change_tx_queue_len(struct net_device *net, unsigned long new_len)
+static int change_tx_queue_len(struct net_device *dev, unsigned long new_len)
{
- net->tx_queue_len = new_len;
+ dev->tx_queue_len = new_len;
return 0;
}
@@ -344,9 +363,9 @@ static ssize_t ifalias_show(struct device *dev,
}
static DEVICE_ATTR_RW(ifalias);
-static int change_group(struct net_device *net, unsigned long new_group)
+static int change_group(struct net_device *dev, unsigned long new_group)
{
- dev_set_group(net, (int) new_group);
+ dev_set_group(dev, (int) new_group);
return 0;
}
@@ -387,6 +406,7 @@ static struct attribute *net_class_attrs[] = {
&dev_attr_dev_port.attr,
&dev_attr_iflink.attr,
&dev_attr_ifindex.attr,
+ &dev_attr_name_assign_type.attr,
&dev_attr_addr_assign_type.attr,
&dev_attr_addr_len.attr,
&dev_attr_link_mode.attr,
@@ -776,20 +796,20 @@ static struct kobj_type rx_queue_ktype = {
.namespace = rx_queue_namespace
};
-static int rx_queue_add_kobject(struct net_device *net, int index)
+static int rx_queue_add_kobject(struct net_device *dev, int index)
{
- struct netdev_rx_queue *queue = net->_rx + index;
+ struct netdev_rx_queue *queue = dev->_rx + index;
struct kobject *kobj = &queue->kobj;
int error = 0;
- kobj->kset = net->queues_kset;
+ kobj->kset = dev->queues_kset;
error = kobject_init_and_add(kobj, &rx_queue_ktype, NULL,
"rx-%u", index);
if (error)
goto exit;
- if (net->sysfs_rx_queue_group) {
- error = sysfs_create_group(kobj, net->sysfs_rx_queue_group);
+ if (dev->sysfs_rx_queue_group) {
+ error = sysfs_create_group(kobj, dev->sysfs_rx_queue_group);
if (error)
goto exit;
}
@@ -805,18 +825,18 @@ exit:
#endif /* CONFIG_SYSFS */
int
-net_rx_queue_update_kobjects(struct net_device *net, int old_num, int new_num)
+net_rx_queue_update_kobjects(struct net_device *dev, int old_num, int new_num)
{
#ifdef CONFIG_SYSFS
int i;
int error = 0;
#ifndef CONFIG_RPS
- if (!net->sysfs_rx_queue_group)
+ if (!dev->sysfs_rx_queue_group)
return 0;
#endif
for (i = old_num; i < new_num; i++) {
- error = rx_queue_add_kobject(net, i);
+ error = rx_queue_add_kobject(dev, i);
if (error) {
new_num = old_num;
break;
@@ -824,10 +844,10 @@ net_rx_queue_update_kobjects(struct net_device *net, int old_num, int new_num)
}
while (--i >= new_num) {
- if (net->sysfs_rx_queue_group)
- sysfs_remove_group(&net->_rx[i].kobj,
- net->sysfs_rx_queue_group);
- kobject_put(&net->_rx[i].kobj);
+ if (dev->sysfs_rx_queue_group)
+ sysfs_remove_group(&dev->_rx[i].kobj,
+ dev->sysfs_rx_queue_group);
+ kobject_put(&dev->_rx[i].kobj);
}
return error;
@@ -1135,13 +1155,13 @@ static struct kobj_type netdev_queue_ktype = {
.namespace = netdev_queue_namespace,
};
-static int netdev_queue_add_kobject(struct net_device *net, int index)
+static int netdev_queue_add_kobject(struct net_device *dev, int index)
{
- struct netdev_queue *queue = net->_tx + index;
+ struct netdev_queue *queue = dev->_tx + index;
struct kobject *kobj = &queue->kobj;
int error = 0;
- kobj->kset = net->queues_kset;
+ kobj->kset = dev->queues_kset;
error = kobject_init_and_add(kobj, &netdev_queue_ktype, NULL,
"tx-%u", index);
if (error)
@@ -1164,14 +1184,14 @@ exit:
#endif /* CONFIG_SYSFS */
int
-netdev_queue_update_kobjects(struct net_device *net, int old_num, int new_num)
+netdev_queue_update_kobjects(struct net_device *dev, int old_num, int new_num)
{
#ifdef CONFIG_SYSFS
int i;
int error = 0;
for (i = old_num; i < new_num; i++) {
- error = netdev_queue_add_kobject(net, i);
+ error = netdev_queue_add_kobject(dev, i);
if (error) {
new_num = old_num;
break;
@@ -1179,7 +1199,7 @@ netdev_queue_update_kobjects(struct net_device *net, int old_num, int new_num)
}
while (--i >= new_num) {
- struct netdev_queue *queue = net->_tx + i;
+ struct netdev_queue *queue = dev->_tx + i;
#ifdef CONFIG_BQL
sysfs_remove_group(&queue->kobj, &dql_group);
@@ -1193,25 +1213,25 @@ netdev_queue_update_kobjects(struct net_device *net, int old_num, int new_num)
#endif /* CONFIG_SYSFS */
}
-static int register_queue_kobjects(struct net_device *net)
+static int register_queue_kobjects(struct net_device *dev)
{
int error = 0, txq = 0, rxq = 0, real_rx = 0, real_tx = 0;
#ifdef CONFIG_SYSFS
- net->queues_kset = kset_create_and_add("queues",
- NULL, &net->dev.kobj);
- if (!net->queues_kset)
+ dev->queues_kset = kset_create_and_add("queues",
+ NULL, &dev->dev.kobj);
+ if (!dev->queues_kset)
return -ENOMEM;
- real_rx = net->real_num_rx_queues;
+ real_rx = dev->real_num_rx_queues;
#endif
- real_tx = net->real_num_tx_queues;
+ real_tx = dev->real_num_tx_queues;
- error = net_rx_queue_update_kobjects(net, 0, real_rx);
+ error = net_rx_queue_update_kobjects(dev, 0, real_rx);
if (error)
goto error;
rxq = real_rx;
- error = netdev_queue_update_kobjects(net, 0, real_tx);
+ error = netdev_queue_update_kobjects(dev, 0, real_tx);
if (error)
goto error;
txq = real_tx;
@@ -1219,24 +1239,24 @@ static int register_queue_kobjects(struct net_device *net)
return 0;
error:
- netdev_queue_update_kobjects(net, txq, 0);
- net_rx_queue_update_kobjects(net, rxq, 0);
+ netdev_queue_update_kobjects(dev, txq, 0);
+ net_rx_queue_update_kobjects(dev, rxq, 0);
return error;
}
-static void remove_queue_kobjects(struct net_device *net)
+static void remove_queue_kobjects(struct net_device *dev)
{
int real_rx = 0, real_tx = 0;
#ifdef CONFIG_SYSFS
- real_rx = net->real_num_rx_queues;
+ real_rx = dev->real_num_rx_queues;
#endif
- real_tx = net->real_num_tx_queues;
+ real_tx = dev->real_num_tx_queues;
- net_rx_queue_update_kobjects(net, real_rx, 0);
- netdev_queue_update_kobjects(net, real_tx, 0);
+ net_rx_queue_update_kobjects(dev, real_rx, 0);
+ netdev_queue_update_kobjects(dev, real_tx, 0);
#ifdef CONFIG_SYSFS
- kset_unregister(net->queues_kset);
+ kset_unregister(dev->queues_kset);
#endif
}
@@ -1329,13 +1349,13 @@ static struct class net_class = {
/* Delete sysfs entries but hold kobject reference until after all
* netdev references are gone.
*/
-void netdev_unregister_kobject(struct net_device * net)
+void netdev_unregister_kobject(struct net_device *ndev)
{
- struct device *dev = &(net->dev);
+ struct device *dev = &(ndev->dev);
kobject_get(&dev->kobj);
- remove_queue_kobjects(net);
+ remove_queue_kobjects(ndev);
pm_runtime_set_memalloc_noio(dev, false);
@@ -1343,18 +1363,18 @@ void netdev_unregister_kobject(struct net_device * net)
}
/* Create sysfs entries for network device. */
-int netdev_register_kobject(struct net_device *net)
+int netdev_register_kobject(struct net_device *ndev)
{
- struct device *dev = &(net->dev);
- const struct attribute_group **groups = net->sysfs_groups;
+ struct device *dev = &(ndev->dev);
+ const struct attribute_group **groups = ndev->sysfs_groups;
int error = 0;
device_initialize(dev);
dev->class = &net_class;
- dev->platform_data = net;
+ dev->platform_data = ndev;
dev->groups = groups;
- dev_set_name(dev, "%s", net->name);
+ dev_set_name(dev, "%s", ndev->name);
#ifdef CONFIG_SYSFS
/* Allow for a device specific group */
@@ -1364,10 +1384,10 @@ int netdev_register_kobject(struct net_device *net)
*groups++ = &netstat_group;
#if IS_ENABLED(CONFIG_WIRELESS_EXT) || IS_ENABLED(CONFIG_CFG80211)
- if (net->ieee80211_ptr)
+ if (ndev->ieee80211_ptr)
*groups++ = &wireless_group;
#if IS_ENABLED(CONFIG_WIRELESS_EXT)
- else if (net->wireless_handlers)
+ else if (ndev->wireless_handlers)
*groups++ = &wireless_group;
#endif
#endif
@@ -1377,7 +1397,7 @@ int netdev_register_kobject(struct net_device *net)
if (error)
return error;
- error = register_queue_kobjects(net);
+ error = register_queue_kobjects(ndev);
if (error) {
device_del(dev);
return error;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 08:51:49 +0000