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authorStephen Hemminger <shemminger@osdl.org>2005-05-29 14:13:47 -0700
committerDavid S. Miller <davem@davemloft.net>2005-05-29 14:13:47 -0700
commitd8a33ac435c43a1a404b2ec560ef1d1536710c36 (patch)
tree04359c09e0731e9c33a8c2dd80cc69404e0dde60 /net/core
parent45b30105e7231b70bb855923dbca443ee3ba44c3 (diff)
[BRIDGE]: features change notification
Resend of earlier patch (no changes) from Catalin used to provide device feature change notification. Signed-off-by: Catalin BOIE <catab at umbrella.ro> Acked-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/dev.c12
-rw-r--r--net/core/ethtool.c8
2 files changed, 19 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index d4d9e2680ad..f15a3ffff63 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -761,6 +761,18 @@ int dev_change_name(struct net_device *dev, char *newname)
}
/**
+ * netdev_features_change - device changes fatures
+ * @dev: device to cause notification
+ *
+ * Called to indicate a device has changed features.
+ */
+void netdev_features_change(struct net_device *dev)
+{
+ notifier_call_chain(&netdev_chain, NETDEV_FEAT_CHANGE, dev);
+}
+EXPORT_SYMBOL(netdev_features_change);
+
+/**
* netdev_state_change - device changes state
* @dev: device to cause notification
*
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index f05fde97c43..252bfc6f03f 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -682,6 +682,7 @@ int dev_ethtool(struct ifreq *ifr)
void __user *useraddr = ifr->ifr_data;
u32 ethcmd;
int rc;
+ int old_features;
/*
* XXX: This can be pushed down into the ethtool_* handlers that
@@ -703,6 +704,8 @@ int dev_ethtool(struct ifreq *ifr)
if ((rc = dev->ethtool_ops->begin(dev)) < 0)
return rc;
+ old_features = dev->features;
+
switch (ethcmd) {
case ETHTOOL_GSET:
rc = ethtool_get_settings(dev, useraddr);
@@ -712,7 +715,6 @@ int dev_ethtool(struct ifreq *ifr)
break;
case ETHTOOL_GDRVINFO:
rc = ethtool_get_drvinfo(dev, useraddr);
-
break;
case ETHTOOL_GREGS:
rc = ethtool_get_regs(dev, useraddr);
@@ -801,6 +803,10 @@ int dev_ethtool(struct ifreq *ifr)
if(dev->ethtool_ops->complete)
dev->ethtool_ops->complete(dev);
+
+ if (old_features != dev->features)
+ netdev_features_change(dev);
+
return rc;
ioctl: