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authorMarcel Holtmann <marcel@holtmann.org>2009-08-31 21:08:19 +0000
committerDavid S. Miller <davem@davemloft.net>2009-09-11 12:54:55 -0700
commit384912ed194e43c03ad1cdaa09b0b1e488c34d46 (patch)
treebdaae15252819543cff0900941238d2b99bb2300 /net/bluetooth/bnep/core.c
parentf510c35de0e63e1066db83d2fdce99e6dbde0c80 (diff)
downloadlinux-2.6.38-lt-ux500-384912ed194e43c03ad1cdaa09b0b1e488c34d46.tar.gz
net: Add DEVTYPE support for Ethernet based devices
The Ethernet framing is used for a lot of devices these days. Most prominent are WiFi and WiMAX based devices. However for userspace application it is important to classify these devices correctly and not only see them as Ethernet devices. The daemons like HAL, DeviceKit or even NetworkManager with udev support tries to do the classification in userspace with a lot trickery and extra system calls. This is not good and actually reaches its limitations. Especially since the kernel does know the type of the Ethernet device it is pretty stupid. To solve this problem the underlying device type needs to be set and then the value will be exported as DEVTYPE via uevents and available within udev. # cat /sys/class/net/wlan0/uevent DEVTYPE=wlan INTERFACE=wlan0 IFINDEX=5 This is similar to subsystems like USB and SCSI that distinguish between hosts, devices, disks, partitions etc. The new SET_NETDEV_DEVTYPE() is a convenience helper to set the actual device type. All device types are free form, but for convenience the same strings as used with RFKILL are choosen. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bluetooth/bnep/core.c')
-rw-r--r--net/bluetooth/bnep/core.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index 52a6ce0d772..cafe9f54d84 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -533,6 +533,10 @@ static struct device *bnep_get_device(struct bnep_session *session)
return conn ? &conn->dev : NULL;
}
+static struct device_type bnep_type = {
+ .name = "bluetooth",
+};
+
int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
{
struct net_device *dev;
@@ -586,6 +590,7 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
#endif
SET_NETDEV_DEV(dev, bnep_get_device(s));
+ SET_NETDEV_DEVTYPE(dev, &bnep_type);
err = register_netdev(dev);
if (err) {