Re: RFC: NAPI packet weighting patch

[Stephen Hemminger <shemminger@xxxxxxxx>]

Like this (untested) patch:

Index: napi-sysfs/net/core/net-sysfs.c
===================================================================
--- napi-sysfs.orig/net/core/net-sysfs.c
+++ napi-sysfs/net/core/net-sysfs.c
@@ -184,6 +184,22 @@ static ssize_t store_tx_queue_len(struct
 static CLASS_DEVICE_ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len, 
                         store_tx_queue_len);
 
+NETDEVICE_SHOW(weight, fmt_ulong);
+
+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,
@@ -193,6 +209,7 @@ static struct class_device_attribute *ne
        &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,