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Orchestra: added support for RPL non-storing mode

This commit is contained in:
Simon Duquennoy 2016-04-29 22:12:06 +02:00 committed by Simon Duquennoy
parent ded71a7400
commit c3ea1f9fc6
5 changed files with 132 additions and 10 deletions
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2
apps/orchestra/Makefile.orchestra
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@ -1 +1 @@
orchestra_src = orchestra.c orchestra-rule-default-common.c orchestra-rule-eb-per-time-source.c orchestra-rule-unicast-per-neighbor.c
orchestra_src = orchestra.c orchestra-rule-default-common.c orchestra-rule-eb-per-time-source.c orchestra-rule-unicast-per-neighbor-rpl-storing.c orchestra-rule-unicast-per-neighbor-rpl-ns.c

8
apps/orchestra/orchestra-conf.h
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@ -46,10 +46,10 @@
* - a sender-based or receiver-based slotframe for unicast to RPL parents and children
* - a common shared slotframe for any other traffic (mostly broadcast)
* */
#define ORCHESTRA_RULES { &eb_per_time_source, \
&unicast_per_neighbor, \
&default_common, \
}
#define ORCHESTRA_RULES { &eb_per_time_source, &unicast_per_neighbor_rpl_storing, &default_common }
/* Example configuration for RPL non-storing mode: */
/* #define ORCHESTRA_RULES { &eb_per_time_source, &unicast_per_neighbor_rpl_ns, &default_common } */
#endif /* ORCHESTRA_CONF_RULES */
/* Length of the various slotframes. Tune to balance network capacity,

119
apps/orchestra/orchestra-rule-unicast-per-neighbor-rpl-ns.c Normal file
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@ -0,0 +1,119 @@
/*
* Copyright (c) 2016, Inria.
* 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.
*
*/
/**
* \file
* Orchestra: a slotframe dedicated to unicast data transmission. Designed primarily
* for RPL non-storing mode but would work with any mode-of-operation. Does not require
* any knowledge of the children. Works only as received-base, and as follows:
* Nodes listen at a timeslot defined as hash(MAC) % ORCHESTRA_SB_UNICAST_PERIOD
* Nodes transmit at: for any neighbor, hash(nbr.MAC) % ORCHESTRA_SB_UNICAST_PERIOD
*
* \author Simon Duquennoy <simon.duquennoy@inria.fr>
*/
#include "contiki.h"
#include "orchestra.h"
#include "net/ipv6/uip-ds6-route.h"
#include "net/packetbuf.h"
static uint16_t slotframe_handle = 0;
static uint16_t channel_offset = 0;
static struct tsch_slotframe *sf_unicast;
/*---------------------------------------------------------------------------*/
static uint16_t
get_node_timeslot(const linkaddr_t *addr)
{
if(addr != NULL && ORCHESTRA_UNICAST_PERIOD > 0) {
return ORCHESTRA_LINKADDR_HASH(addr) % ORCHESTRA_UNICAST_PERIOD;
} else {
return 0xffff;
}
}
/*---------------------------------------------------------------------------*/
static void
child_added(const linkaddr_t *linkaddr)
{
}
/*---------------------------------------------------------------------------*/
static void
child_removed(const linkaddr_t *linkaddr)
{
}
/*---------------------------------------------------------------------------*/
static int
select_packet(uint16_t *slotframe, uint16_t *timeslot)
{
/* Select data packets we have a unicast link to */
const linkaddr_t *dest = packetbuf_addr(PACKETBUF_ADDR_RECEIVER);
if(packetbuf_attr(PACKETBUF_ATTR_FRAME_TYPE) == FRAME802154_DATAFRAME
&& !linkaddr_cmp(dest, &linkaddr_null)) {
if(slotframe != NULL) {
*slotframe = slotframe_handle;
}
if(timeslot != NULL) {
*timeslot = get_node_timeslot(dest);
}
return 1;
}
return 0;
}
/*---------------------------------------------------------------------------*/
static void
new_time_source(const struct tsch_neighbor *old, const struct tsch_neighbor *new)
{
}
/*---------------------------------------------------------------------------*/
static void
init(uint16_t sf_handle)
{
int i;
uint16_t rx_timeslot;
slotframe_handle = sf_handle;
channel_offset = sf_handle;
/* Slotframe for unicast transmissions */
sf_unicast = tsch_schedule_add_slotframe(slotframe_handle, ORCHESTRA_UNICAST_PERIOD);
rx_timeslot = get_node_timeslot(&linkaddr_node_addr);
/* Add a Tx link at each available timeslot. Make the link Rx at our own timeslot. */
for(i = 0; i < ORCHESTRA_UNICAST_PERIOD; i++) {
tsch_schedule_add_link(sf_unicast,
LINK_OPTION_SHARED | LINK_OPTION_TX | ( i == rx_timeslot ? LINK_OPTION_RX : 0 ),
LINK_TYPE_NORMAL, &tsch_broadcast_address,
i, channel_offset);
}
}
/*---------------------------------------------------------------------------*/
struct orchestra_rule unicast_per_neighbor_rpl_ns = {
init,
new_time_source,
select_packet,
child_added,
child_removed,
};

10
apps/orchestra/orchestra-rule-unicast-per-neighbor.c → apps/orchestra/orchestra-rule-unicast-per-neighbor-rpl-storing.c
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@ -29,12 +29,13 @@
*/
/**
* \file
* Orchestra: a slotframe dedicated to unicast data transmission.
* If sender-based:
* Orchestra: a slotframe dedicated to unicast data transmission. Designed for
* RPL storing mode only, as this is based on the knowledge of the children (and parent).
* If receiver-based:
* Nodes listen at a timeslot defined as hash(MAC) % ORCHESTRA_SB_UNICAST_PERIOD
* Nodes transmit at: for each nbr in RPL children and RPL preferred parent,
* hash(nbr.MAC) % ORCHESTRA_SB_UNICAST_PERIOD
* If receiver-based: the opposite
* If sender-based: the opposite
*
* \author Simon Duquennoy <simonduq@sics.se>
*/
@ -43,6 +44,7 @@
#include "orchestra.h"
#include "net/ipv6/uip-ds6-route.h"
#include "net/packetbuf.h"
#include "net/rpl/rpl-conf.h"
#if ORCHESTRA_UNICAST_SENDER_BASED && ORCHESTRA_COLLISION_FREE_HASH
#define UNICAST_SLOT_SHARED_FLAG ((ORCHESTRA_UNICAST_PERIOD < (ORCHESTRA_MAX_HASH + 1)) ? LINK_OPTION_SHARED : 0)
@ -202,7 +204,7 @@ init(uint16_t sf_handle)
timeslot, channel_offset);
}
/*---------------------------------------------------------------------------*/
struct orchestra_rule unicast_per_neighbor = {
struct orchestra_rule unicast_per_neighbor_rpl_storing = {
init,
new_time_source,
select_packet,

3
apps/orchestra/orchestra.h
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@ -53,7 +53,8 @@ struct orchestra_rule {
};
struct orchestra_rule eb_per_time_source;
struct orchestra_rule unicast_per_neighbor;
struct orchestra_rule unicast_per_neighbor_rpl_storing;
struct orchestra_rule unicast_per_neighbor_rpl_ns;
struct orchestra_rule default_common;
extern linkaddr_t orchestra_parent_linkaddr;