The ifgroup member of each net device can be read and changed in sysfs.
Author: Lutz Jaenicke <[EMAIL PROTECTED]>
---
net/core/net-sysfs.c | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 61ead1d..5bd6d35 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -219,6 +219,20 @@ static ssize_t store_tx_queue_len(struct device *dev,
return netdev_store(dev, attr, buf, len, change_tx_queue_len);
}
+NETDEVICE_SHOW(ifgroup, fmt_hex);
+
+static int change_ifgroup(struct net_device *net, unsigned long new_ifgroup)
+{
+ net->ifgroup = new_ifgroup;
+ return 0;
+}
+
+static ssize_t store_ifgroup(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t len)
+{
+ return netdev_store(dev, attr, buf, len, change_ifgroup);
+}
+
static struct device_attribute net_class_attributes[] = {
__ATTR(addr_len, S_IRUGO, show_addr_len, NULL),
__ATTR(iflink, S_IRUGO, show_iflink, NULL),
@@ -235,6 +249,7 @@ static struct device_attribute net_class_attributes[] = {
__ATTR(flags, S_IRUGO | S_IWUSR, show_flags, store_flags),
__ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len,
store_tx_queue_len),
+ __ATTR(ifgroup, S_IRUGO | S_IWUSR, show_ifgroup, store_ifgroup),
{}
};
-
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