bonding: Allow setting max_bonds to zero

[linux-2.6] / net / core / net-sysfs.c

diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 6628e457ddc0f1179e3e5fc42e965eaf19b9b283..3f79413192171a94bb75daf0e72b60b536857d7b 100644 (file)
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -18,6 +18,8 @@
 #include <linux/wireless.h>
 #include <net/iw_handler.h>
 
+#include "net-sysfs.h"
+
 #ifdef CONFIG_SYSFS
 static const char fmt_hex[] = "%#x\n";
 static const char fmt_long_hex[] = "%#lx\n";
@@ -85,6 +87,7 @@ static ssize_t netdev_store(struct device *dev, struct device_attribute *attr,
        return ret;
 }
 
+NETDEVICE_SHOW(dev_id, fmt_hex);
 NETDEVICE_SHOW(addr_len, fmt_dec);
 NETDEVICE_SHOW(iflink, fmt_dec);
 NETDEVICE_SHOW(ifindex, fmt_dec);
@@ -93,17 +96,6 @@ NETDEVICE_SHOW(type, fmt_dec);
 NETDEVICE_SHOW(link_mode, fmt_dec);
 
 /* use same locking rules as GIFHWADDR ioctl's */
-static ssize_t format_addr(char *buf, const unsigned char *addr, int len)
-{
-       int i;
-       char *cp = buf;
-
-       for (i = 0; i < len; i++)
-               cp += sprintf(cp, "%02x%c", addr[i],
-                             i == (len - 1) ? '\n' : ':');
-       return cp - buf;
-}
-
 static ssize_t show_address(struct device *dev, struct device_attribute *attr,
                            char *buf)
 {
@@ -112,7 +104,7 @@ static ssize_t show_address(struct device *dev, struct device_attribute *attr,
 
        read_lock(&dev_base_lock);
        if (dev_isalive(net))
-           ret = format_addr(buf, net->dev_addr, net->addr_len);
+               ret = sysfs_format_mac(buf, net->dev_addr, net->addr_len);
        read_unlock(&dev_base_lock);
        return ret;
 }
@@ -122,7 +114,7 @@ static ssize_t show_broadcast(struct device *dev,
 {
        struct net_device *net = to_net_dev(dev);
        if (dev_isalive(net))
-               return format_addr(buf, net->broadcast, net->addr_len);
+               return sysfs_format_mac(buf, net->broadcast, net->addr_len);
        return -EINVAL;
 }
 
@@ -219,6 +211,7 @@ static ssize_t store_tx_queue_len(struct device *dev,
 
 static struct device_attribute net_class_attributes[] = {
        __ATTR(addr_len, S_IRUGO, show_addr_len, NULL),
+       __ATTR(dev_id, S_IRUGO, show_dev_id, NULL),
        __ATTR(iflink, S_IRUGO, show_iflink, NULL),
        __ATTR(ifindex, S_IRUGO, show_ifindex, NULL),
        __ATTR(features, S_IRUGO, show_features, NULL),
@@ -245,16 +238,15 @@ static ssize_t netstat_show(const struct device *d,
        struct net_device_stats *stats;
        ssize_t ret = -EINVAL;
 
-       if (offset > sizeof(struct net_device_stats) ||
-           offset % sizeof(unsigned long) != 0)
-               WARN_ON(1);
+       WARN_ON(offset > sizeof(struct net_device_stats) ||
+                       offset % sizeof(unsigned long) != 0);
 
        read_lock(&dev_base_lock);
-       if (dev_isalive(dev) && dev->get_stats &&
-           (stats = (*dev->get_stats)(dev)))
+       if (dev_isalive(dev)) {
+               stats = dev->get_stats(dev);
                ret = sprintf(buf, fmt_ulong,
                              *(unsigned long *)(((u8 *) stats) + offset));
-
+       }
        read_unlock(&dev_base_lock);
        return ret;
 }
@@ -457,7 +449,6 @@ int netdev_register_kobject(struct net_device *net)
        struct device *dev = &(net->dev);
        struct attribute_group **groups = net->sysfs_groups;
 
-       device_initialize(dev);
        dev->class = &net_class;
        dev->platform_data = net;
        dev->groups = groups;
@@ -466,8 +457,7 @@ int netdev_register_kobject(struct net_device *net)
        strlcpy(dev->bus_id, net->name, BUS_ID_SIZE);
 
 #ifdef CONFIG_SYSFS
-       if (net->get_stats)
-               *groups++ = &netstat_group;
+       *groups++ = &netstat_group;
 
 #ifdef CONFIG_WIRELESS_EXT
        if (net->wireless_handlers && net->wireless_handlers->get_wireless_stats)
@@ -478,6 +468,25 @@ int netdev_register_kobject(struct net_device *net)
        return device_add(dev);
 }
 
+int netdev_class_create_file(struct class_attribute *class_attr)
+{
+       return class_create_file(&net_class, class_attr);
+}
+
+void netdev_class_remove_file(struct class_attribute *class_attr)
+{
+       class_remove_file(&net_class, class_attr);
+}
+
+EXPORT_SYMBOL(netdev_class_create_file);
+EXPORT_SYMBOL(netdev_class_remove_file);
+
+void netdev_initialize_kobject(struct net_device *net)
+{
+       struct device *device = &(net->dev);
+       device_initialize(device);
+}
+
 int netdev_kobject_init(void)
 {
        return class_register(&net_class);