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// SPDX-License-Identifier: GPL-2.0-only
/*
* Ultra Wide Band
* IE Received notification handling.
*
* Copyright (C) 2008 Cambridge Silicon Radio Ltd.
*/
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/bitmap.h>
#include "uwb-internal.h"
/*
* Process an incoming IE Received notification.
*/
int uwbd_evt_handle_rc_ie_rcv(struct uwb_event *evt)
{
int result = -EINVAL;
struct device *dev = &evt->rc->uwb_dev.dev;
struct uwb_rc_evt_ie_rcv *iercv;
/* Is there enough data to decode it? */
if (evt->notif.size < sizeof(*iercv)) {
dev_err(dev, "IE Received notification: Not enough data to "
"decode (%zu vs %zu bytes needed)\n",
evt->notif.size, sizeof(*iercv));
goto error;
}
iercv = container_of(evt->notif.rceb, struct uwb_rc_evt_ie_rcv, rceb);
dev_dbg(dev, "IE received, element ID=%d\n", iercv->IEData[0]);
if (iercv->IEData[0] == UWB_RELINQUISH_REQUEST_IE) {
dev_warn(dev, "unhandled Relinquish Request IE\n");
}
return 0;
error:
return result;
}
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