| /* |
| * Copyright (c) 2011, Loughborough University - Computer Science |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the Institute nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * This file is part of the Contiki operating system. |
| */ |
| |
| /** |
| * \addtogroup uip6-multicast |
| * @{ |
| */ |
| /** |
| * \defgroup smrf-multicast 'Stateless Multicast RPL Forwarding' (SMRF) |
| * |
| * SMRF will only work in RPL networks in MOP 3 "Storing with Multicast" |
| * @{ |
| */ |
| /** |
| * \file |
| * Header file for the SMRF forwarding engine |
| * |
| * \author |
| * George Oikonomou - <oikonomou@users.sourceforge.net> |
| */ |
| |
| #ifndef SMRF_H_ |
| #define SMRF_H_ |
| |
| #include "contiki-conf.h" |
| |
| #include <stdint.h> |
| /*---------------------------------------------------------------------------*/ |
| /* Configuration */ |
| /*---------------------------------------------------------------------------*/ |
| /* Fmin */ |
| #ifdef SMRF_CONF_MIN_FWD_DELAY |
| #define SMRF_MIN_FWD_DELAY SMRF_CONF_MIN_FWD_DELAY |
| #else |
| #define SMRF_MIN_FWD_DELAY 4 |
| #endif |
| |
| /* Max Spread */ |
| #ifdef SMRF_CONF_MAX_SPREAD |
| #define SMRF_MAX_SPREAD SMRF_CONF_MAX_SPREAD |
| #else |
| #define SMRF_MAX_SPREAD 4 |
| #endif |
| /*---------------------------------------------------------------------------*/ |
| /* Stats datatype */ |
| /*---------------------------------------------------------------------------*/ |
| struct smrf_stats { |
| uint16_t mcast_in_unique; |
| uint16_t mcast_in_all; /* At layer 3 */ |
| uint16_t mcast_in_ours; /* Unique and we are a group member */ |
| uint16_t mcast_fwd; /* Forwarded by us but we are not the seed */ |
| uint16_t mcast_out; /* We are the seed */ |
| uint16_t mcast_bad; |
| uint16_t mcast_dropped; |
| }; |
| /*---------------------------------------------------------------------------*/ |
| #endif /* SMRF_H_ */ |
| /*---------------------------------------------------------------------------*/ |
| /** @} */ |
| /** @} */ |