// 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; }