[NET]: Expose netdevice dev_id through sysfs

[deliverable/linux.git] / net / core / net-sysfs.c

diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index e41f4b9d2e7e50c96796f426130f3addb09721d8..4e7b847347f792da742c93315b0b074512d11886 100644 (file)
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -87,6 +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);
@@ -95,17 +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)
 {
@@ -114,7 +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;
 }
@@ -124,7 +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;
 }
 
@@ -221,6 +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),