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14 Commits

Author SHA1 Message Date
Vincent Brillault
dc9cbe647d Changes in RPL implementation : 
- Structural modification of RPL data storage.
- Support multiple gateways (multiple DODAG-ID with a unique InstanceID)
- Use Lollipop counters
- Add leaf-only configuration option for RPL
Bugfix :
- Correctly send "Grounded" flag in DIO
 2011-07-11 16:52:45 +02:00
Joakim Eriksson
26f0a6e88e changed ext to link_metric 2011-03-28 16:17:53 +02:00
nvt
a093c262ee Improved objective function API so DAG metric containers can be generated cleanly. The packet generation now asks the OF to provide a fresh logical presentation of the metric container, which is then translated to raw packet format. 2011-02-15 01:13:30 +01:00
Adam Dunkels
432928d000 Changed the name of macros defined in neighbor-info.h to have the NEIGHBOR_INFO prefix. 2011-02-13 21:29:59 +01:00
Adam Dunkels
3a824d0ed6 Added a hysteresis when choosing a new parent: don't switch parent unless the ETX is significantly better (1.5 ETX better). 2011-02-13 14:14:16 +01:00
Joakim Eriksson
48fb9dda9e fixed of0 to respect min hop rank increase 2011-02-13 11:25:53 +01:00
nvt
20171985c6 Split the RPL header into a private and a public header. 2011-02-11 16:21:17 +01:00
Adam Dunkels
ba6bf7dd6b Rewrote the parent selection to favour parents with a low ETX and a good rank. The old parent selection would always favour parents with a lower rank, regardless of their ETX, which in some cases lead to suboptimal parent selections. Also, the old code was buggy in that it would always pick the worst parent (the one with the highest ETX). 2011-02-11 14:17:26 +01:00
nvt-se
7a43b7d832 Configuration of the objective function made easier. Updated OF0 to the new rank calculation. 2011-01-04 20:43:28 +00:00
nvt-se
e000b1abf3 A major update to ContikiRPL resulting in a reduced code footprint by 
300 bytes, as well as cleaner protocol logic.

* Made parent management uniform.

* Simplified the DIO processing.

* Improved the Objective Function API and its documentation.

* Removed redundant code at various places.

* Improved identifier naming.

* Switched visualization from candidate parents to preferred parents only.

* Made DAO ACK transmissions configurable.

* Improved initial ETX guess by using a cached local confidence value.

* Added a periodical rank recalculation function to reduce
  the maximum stack depth.

* Increased the Trickle redundancy constant to ensure faster
  topological updates.
 2010-06-14 12:44:37 +00:00
nvt-se
c13bb8666b Better validation of incoming DIOs. Added a reset function to the OF API. 2010-05-31 14:22:00 +00:00
nvt-se
f135105567 Added support for multiple objective functions. 
Extended the objective function API with a callback function that receives link-layer neighbor information.

Throttled DAO transmissions to one per DEFAULT_DAO_LATENCY period.

Added support for an ETX objective function (hysteresis control still lacking though).

Fixed a leak of routes installed by DAOs.

Control that dst_adv_supported is set before sending DAOs.

Improved debugging output.
 2010-05-29 22:23:21 +00:00
nvt-se
320fa820ca Renamed neighbors to parents. Removed redundant code. Corrected the logic for max rank increase. 2010-05-25 21:58:54 +00:00
joxe
168a65d989 added ContikiRPL - an implementation of IETF ROLL RPL 2010-04-30 13:43:53 +00:00