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| author |   Stephen Hemminger <shemminger@osdl.org> | 2005-06-08 14:55:42 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2005-06-08 14:55:42 -0700 |
| commit | 699a411451a32cc111410f44f172b265f6d679c8 (patch) | |
| tree | 7a959a5f8a7da6c1f9d7a41c9c0425754625314c /net | |
| parent | [IPV6]: Update parm.link in ip6ip6_tnl_change() (diff) | |
| download | linux-dev-699a411451a32cc111410f44f172b265f6d679c8.tar.xz linux-dev-699a411451a32cc111410f44f172b265f6d679c8.zip | |
[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.c | 17 |
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, |