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[NET]: Allow controlling NAPI device weight with sysfs

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Simple interface to allow changing network device scheduling weight
with sysfs. Please consider this for 2.6.12, since risk/impact is small.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2005-06-08 14:55:42 -07:00 committed by David S. Miller
parent 8181b8c1f3
commit 699a411451
1 changed files with 17 additions and 0 deletions
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17
net/core/net-sysfs.c
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@ -185,6 +185,22 @@ static ssize_t store_tx_queue_len(struct class_device *dev, const char *buf, siz
static CLASS_DEVICE_ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len,
store_tx_queue_len);
NETDEVICE_SHOW(weight, fmt_dec);
static int change_weight(struct net_device *net, unsigned long new_weight)
{
net->weight = new_weight;
return 0;
}
static ssize_t store_weight(struct class_device *dev, const char *buf, size_t len)
{
return netdev_store(dev, buf, len, change_weight);
}
static CLASS_DEVICE_ATTR(weight, S_IRUGO | S_IWUSR, show_weight,
store_weight);
static struct class_device_attribute *net_class_attributes[] = {
&class_device_attr_ifindex,
@ -194,6 +210,7 @@ static struct class_device_attribute *net_class_attributes[] = {
&class_device_attr_features,
&class_device_attr_mtu,
&class_device_attr_flags,
&class_device_attr_weight,
&class_device_attr_type,
&class_device_attr_address,
&class_device_attr_broadcast,