diff options
author | Marcel Holtmann <marcel@holtmann.org> | 2006-07-03 10:02:33 +0200 |
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committer | David S. Miller <davem@sunset.davemloft.net> | 2006-07-03 19:53:58 -0700 |
commit | 04837f6447c7f3ef114cda1ad761822dedbff8cf (patch) | |
tree | 66dbb53e82550723191ffe54f0457eafc3a92d32 /net/bluetooth/hci_sysfs.c | |
parent | da1f519851d1c66331363253f364bdb5d924ea96 (diff) | |
download | op-kernel-dev-04837f6447c7f3ef114cda1ad761822dedbff8cf.zip op-kernel-dev-04837f6447c7f3ef114cda1ad761822dedbff8cf.tar.gz |
[Bluetooth] Add automatic sniff mode support
This patch introduces the automatic sniff mode feature. This allows
the host to switch idle connections into sniff mode to safe power.
Signed-off-by: Ulisses Furquim <ulissesf@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth/hci_sysfs.c')
-rw-r--r-- | net/bluetooth/hci_sysfs.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c index 19b234c..89918d2 100644 --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -61,18 +61,106 @@ static ssize_t show_inquiry_cache(struct class_device *cdev, char *buf) return n; } +static ssize_t show_idle_timeout(struct class_device *cdev, char *buf) +{ + struct hci_dev *hdev = class_get_devdata(cdev); + return sprintf(buf, "%d\n", hdev->idle_timeout); +} + +static ssize_t store_idle_timeout(struct class_device *cdev, const char *buf, size_t count) +{ + struct hci_dev *hdev = class_get_devdata(cdev); + char *ptr; + __u32 val; + + val = simple_strtoul(buf, &ptr, 10); + if (ptr == buf) + return -EINVAL; + + if (val != 0 && (val < 500 || val > 3600000)) + return -EINVAL; + + hdev->idle_timeout = val; + + return count; +} + +static ssize_t show_sniff_max_interval(struct class_device *cdev, char *buf) +{ + struct hci_dev *hdev = class_get_devdata(cdev); + return sprintf(buf, "%d\n", hdev->sniff_max_interval); +} + +static ssize_t store_sniff_max_interval(struct class_device *cdev, const char *buf, size_t count) +{ + struct hci_dev *hdev = class_get_devdata(cdev); + char *ptr; + __u16 val; + + val = simple_strtoul(buf, &ptr, 10); + if (ptr == buf) + return -EINVAL; + + if (val < 0x0002 || val > 0xFFFE || val % 2) + return -EINVAL; + + if (val < hdev->sniff_min_interval) + return -EINVAL; + + hdev->sniff_max_interval = val; + + return count; +} + +static ssize_t show_sniff_min_interval(struct class_device *cdev, char *buf) +{ + struct hci_dev *hdev = class_get_devdata(cdev); + return sprintf(buf, "%d\n", hdev->sniff_min_interval); +} + +static ssize_t store_sniff_min_interval(struct class_device *cdev, const char *buf, size_t count) +{ + struct hci_dev *hdev = class_get_devdata(cdev); + char *ptr; + __u16 val; + + val = simple_strtoul(buf, &ptr, 10); + if (ptr == buf) + return -EINVAL; + + if (val < 0x0002 || val > 0xFFFE || val % 2) + return -EINVAL; + + if (val > hdev->sniff_max_interval) + return -EINVAL; + + hdev->sniff_min_interval = val; + + return count; +} + static CLASS_DEVICE_ATTR(name, S_IRUGO, show_name, NULL); static CLASS_DEVICE_ATTR(type, S_IRUGO, show_type, NULL); static CLASS_DEVICE_ATTR(address, S_IRUGO, show_address, NULL); static CLASS_DEVICE_ATTR(flags, S_IRUGO, show_flags, NULL); static CLASS_DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL); +static CLASS_DEVICE_ATTR(idle_timeout, S_IRUGO | S_IWUSR, + show_idle_timeout, store_idle_timeout); +static CLASS_DEVICE_ATTR(sniff_max_interval, S_IRUGO | S_IWUSR, + show_sniff_max_interval, store_sniff_max_interval); +static CLASS_DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR, + show_sniff_min_interval, store_sniff_min_interval); + static struct class_device_attribute *bt_attrs[] = { &class_device_attr_name, &class_device_attr_type, &class_device_attr_address, &class_device_attr_flags, &class_device_attr_inquiry_cache, + &class_device_attr_idle_timeout, + &class_device_attr_sniff_max_interval, + &class_device_attr_sniff_min_interval, NULL }; |