/*
   * Ultra Wide Band
   * IE Received notification handling.
   *
   * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License version
   * 2 as published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  #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;
  	size_t iesize;
  
  	/* 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)
  ",
  			evt->notif.size, sizeof(*iercv));
  		goto error;
  	}
  	iercv = container_of(evt->notif.rceb, struct uwb_rc_evt_ie_rcv, rceb);
  	iesize = le16_to_cpu(iercv->wIELength);
  
  	dev_dbg(dev, "IE received, element ID=%d
  ", iercv->IEData[0]);
  
  	if (iercv->IEData[0] == UWB_RELINQUISH_REQUEST_IE) {
  		dev_warn(dev, "unhandled Relinquish Request IE
  ");
  	}
  
  	return 0;
  error:
  	return result;
  }