[Olsr-users] Received message to big to be forwarded

[Jernej Kos]

Hello!

Ok, great, I will test it out. Thanks!


Jernej

On 17. 04. 2015 19:32, Henning Rogge wrote:
> Yes,
> 
> start with the "lots of neighbors" nodes... this should already
> resolve the problem. if it works (and if we cannot find a problem with
> it) we will commit it and it will be part of the next olsrd bugfix
> release.
> 
> Henning
> 
> On Fri, Apr 17, 2015 at 7:29 PM, Jernej Kos <(spam-protected)> wrote:
>> Hello!
>>
>> So it will not help at all if we deploy it only at nodes producing big
>> announces? Then this will not help much as we can't just upgrade all the
>> ~400 nodes at the moment.
>>
>>
>> Jernej
>>
>> On 17. 04. 2015 19:26, Henning Rogge wrote:
>>> Hi,
>>>
>>> you should deploy this patch on ALL nodes... it should work against
>>> the current "master branch"... but also against your source.
>>>
>>> Henning
>>>
>>> On Fri, Apr 17, 2015 at 7:25 PM, Jernej Kos <(spam-protected)> wrote:
>>>> Hello!
>>>>
>>>> So if I understand this code correctly, this will limit the maximum
>>>> message size that an originator node will produce? So I should apply
>>>> this patch at the nodes with high neighbour count?
>>>>
>>>> Against which revision is this? I will test the patch over the weekend
>>>> and report back.
>>>>
>>>>
>>>> Jernej
>>>>
>>>> On 17. 04. 2015 16:41, Henning Rogge wrote:
>>>>> Jernej,
>>>>>
>>>>> can you test the following patch?
>>>>>
>>>>> diff --git a/src/net_olsr.c b/src/net_olsr.c
>>>>> index afd24ec..4db54b1 100644
>>>>> --- a/src/net_olsr.c
>>>>> +++ b/src/net_olsr.c
>>>>> @@ -258,7 +258,14 @@ net_outbuffer_push_reserved(struct interface_olsr
>>>>> *ifp, const void *data, const
>>>>>  int
>>>>>  net_outbuffer_bytes_left(const struct interface_olsr *ifp)
>>>>>  {
>>>>> -  return ifp->netbuf.maxsize - ifp->netbuf.pending;
>>>>> +  /* IPv6 minimum MTU - IPv6 header - UDP header - VLAN-Tag */
>>>>> +  static int MAX_REMAINING = 1280 - 40 - 8 - 4;
>>>>> +  int remaining = ifp->netbuf.maxsize - ifp->netbuf.pending;
>>>>> +
>>>>> +  if (remaining > MAX_REMAINING) {
>>>>> +    return MAX_REMAINING;
>>>>> +  }
>>>>> +  return remaining;
>>>>>  }
>>>>>
>>>>>
>>>>>
>>>>> Henning
>>>>
>>

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