summaryrefslogtreecommitdiff
path: root/net
diff options
context:
space:
mode:
authorStephen Hemminger <shemminger@osdl.org>2005-06-08 14:55:42 -0700
committerDavid S. Miller <davem@davemloft.net>2005-06-08 14:55:42 -0700
commit699a411451a32cc111410f44f172b265f6d679c8 (patch)
tree7a959a5f8a7da6c1f9d7a41c9c0425754625314c /net
parent8181b8c1f3a69fe5abcc51cb732eb512ccd1566a (diff)
[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 <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/net-sysfs.c17
1 files changed, 17 insertions, 0 deletions
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,