*
* FIXME: docs
*/
-
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/kdev_t.h>
-#include "uwb-internal.h"
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
+#include "uwb-internal.h"
-/** Start Beaconing command structure */
+/* Start Beaconing command structure */
struct uwb_rc_cmd_start_beacon {
struct uwb_rccb rccb;
__le16 wBPSTOffset;
int result;
struct device *dev = &rc->uwb_dev.dev;
- mutex_lock(&rc->uwb_dev.mutex);
if (channel < 0)
channel = -1;
if (channel == -1)
/* channel >= 0...dah */
result = uwb_rc_start_beacon(rc, bpst_offset, channel);
if (result < 0)
- goto out_up;
+ return result;
if (le16_to_cpu(rc->ies->wIELength) > 0) {
result = uwb_rc_set_ie(rc, rc->ies);
if (result < 0) {
result = uwb_rc_stop_beacon(rc);
channel = -1;
bpst_offset = 0;
- } else
- result = 0;
+ }
}
}
- if (result < 0)
- goto out_up;
- rc->beaconing = channel;
-
- uwb_notify(rc, NULL, uwb_bg_joined(rc) ? UWB_NOTIF_BG_JOIN : UWB_NOTIF_BG_LEAVE);
-
-out_up:
- mutex_unlock(&rc->uwb_dev.mutex);
+ if (result >= 0)
+ rc->beaconing = channel;
return result;
}
{
struct uwb_beca_e *bce, *next;
list_for_each_entry_safe(bce, next, &rc->uwb_beca.list, node) {
- d_printf(6, NULL, "looking for addr %02x:%02x in %02x:%02x\n",
- dev_addr->data[0], dev_addr->data[1],
- bce->dev_addr.data[0], bce->dev_addr.data[1]);
if (!memcmp(&bce->dev_addr, dev_addr, sizeof(bce->dev_addr)))
goto out;
}
expires = bce->ts_jiffies + msecs_to_jiffies(beacon_timeout_ms);
if (time_after(jiffies, expires)) {
uwbd_dev_offair(bce);
- list_del(&bce->node);
- uwb_bce_put(bce);
}
}
mutex_unlock(&rc->uwb_beca.mutex);
return result;
}
-/**
- * uwb_bg_joined - is the RC in a beacon group?
- * @rc: the radio controller
- *
- * Returns true if the radio controller is in a beacon group (even if
- * it's the sole member).
- */
-int uwb_bg_joined(struct uwb_rc *rc)
-{
- return rc->beaconing != -1;
-}
-EXPORT_SYMBOL_GPL(uwb_bg_joined);
-
/*
* Print beaconing state.
*/
/*
* Start beaconing on the specified channel, or stop beaconing.
- *
- * The BPST offset of when to start searching for a beacon group to
- * join may be specified.
*/
static ssize_t uwb_rc_beacon_store(struct device *dev,
struct device_attribute *attr,
struct uwb_dev *uwb_dev = to_uwb_dev(dev);
struct uwb_rc *rc = uwb_dev->rc;
int channel;
- unsigned bpst_offset = 0;
ssize_t result = -EINVAL;
- result = sscanf(buf, "%d %u\n", &channel, &bpst_offset);
+ result = sscanf(buf, "%d", &channel);
if (result >= 1)
- result = uwb_rc_beacon(rc, channel, bpst_offset);
+ result = uwb_radio_force_channel(rc, channel);
return result < 0 ? result : size;
}