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authorMarcel Holtmann <marcel@holtmann.org>2007-10-20 14:52:38 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-22 02:59:47 -0700
commitdae6a0f6636d05bcb28ece1f3630b23ed2d66e18 (patch)
tree8ff4443b7ec8bf8e8aa391079832fce61f033368 /net
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>
Diffstat (limited to 'net')
-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 22a832098d4..e447651a2db 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)
return conn ? &conn->dev : NULL;
}
+static ssize_t show_address(struct device *tty_dev, struct device_attribute *attr, char *buf)
+{
+ struct rfcomm_dev *dev = dev_get_drvdata(tty_dev);
+ bdaddr_t bdaddr;
+ baswap(&bdaddr, &dev->dst);
+ return sprintf(buf, "%s\n", batostr(&bdaddr));
+}
+
+static ssize_t show_channel(struct device *tty_dev, struct device_attribute *attr, char *buf)
+{
+ struct rfcomm_dev *dev = dev_get_drvdata(tty_dev);
+ return sprintf(buf, "%d\n", dev->channel);
+}
+
+static DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
+static DEVICE_ATTR(channel, S_IRUGO, show_channel, NULL);
+
static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc)
{
struct rfcomm_dev *dev;
@@ -281,6 +298,14 @@ out:
return err;
}
+ dev_set_drvdata(dev->tty_dev, dev);
+
+ if (device_create_file(dev->tty_dev, &dev_attr_address) < 0)
+ BT_ERR("Failed to create address attribute");
+
+ if (device_create_file(dev->tty_dev, &dev_attr_channel) < 0)
+ BT_ERR("Failed to create channel attribute");
+
return dev->id;
}