From: Stephen Hemminger Date: Wed, 8 Jun 2005 21:55:42 +0000 (-0700) Subject: [NET]: Allow controlling NAPI device weight with sysfs X-Git-Tag: MMI-PSA29.97-13-9~56710^2~89^2~5 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=699a411451a32cc111410f44f172b265f6d679c8;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git [NET]: Allow controlling NAPI device weight with sysfs 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 Signed-off-by: David S. Miller --- diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 910eb4c05a47..e2137f3e489d 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -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,