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authorMarcel Holtmann <marcel@holtmann.org>2007-10-20 08:52:38 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-22 05:59:47 -0400
commitdae6a0f6636d05bcb28ece1f3630b23ed2d66e18 (patch)
tree8ff4443b7ec8bf8e8aa391079832fce61f033368
parent6792b5ec8d9e723e4689fd5b16cfa52603985f43 (diff)
[Bluetooth] Add address and channel attribute to RFCOMM TTY device
Export the remote device address and channel of RFCOMM TTY device via sysfs attributes. This allows udev to create better naming rules for configured RFCOMM devices. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
-rw-r--r--net/bluetooth/rfcomm/tty.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index 22a832098d44..e447651a2dbe 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -189,6 +189,23 @@ static struct device *rfcomm_get_device(struct rfcomm_dev *dev)
189 return conn ? &conn->dev : NULL; 189 return conn ? &conn->dev : NULL;
190} 190}
191 191
192static ssize_t show_address(struct device *tty_dev, struct device_attribute *attr, char *buf)
193{
194 struct rfcomm_dev *dev = dev_get_drvdata(tty_dev);
195 bdaddr_t bdaddr;
196 baswap(&bdaddr, &dev->dst);
197 return sprintf(buf, "%s\n", batostr(&bdaddr));
198}
199
200static ssize_t show_channel(struct device *tty_dev, struct device_attribute *attr, char *buf)
201{
202 struct rfcomm_dev *dev = dev_get_drvdata(tty_dev);
203 return sprintf(buf, "%d\n", dev->channel);
204}
205
206static DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
207static DEVICE_ATTR(channel, S_IRUGO, show_channel, NULL);
208
192static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc) 209static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc)
193{ 210{
194 struct rfcomm_dev *dev; 211 struct rfcomm_dev *dev;
@@ -281,6 +298,14 @@ out:
281 return err; 298 return err;
282 } 299 }
283 300
301 dev_set_drvdata(dev->tty_dev, dev);
302
303 if (device_create_file(dev->tty_dev, &dev_attr_address) < 0)
304 BT_ERR("Failed to create address attribute");
305
306 if (device_create_file(dev->tty_dev, &dev_attr_channel) < 0)
307 BT_ERR("Failed to create channel attribute");
308
284 return dev->id; 309 return dev->id;
285} 310}
286 311