[openib-general] Re: RMPP Message Format Errors

[Eitan Zahavi]

Sean Hefty wrote:
>>>In my interpretation, partial data is indicated by the PayloadLength field in
>>>the last segment only.  It's quite possible that my interpretation is
>>
>>incorrect,
>>
>>>in which case the calculation in the RMPP code is off.
>>
>>I agree the text might be missing an example or two for clarification.
>>Anyway, we probably can use the IB Analyzer as the ultimate
>>interpretation test. Note that there are IB implementations that uses
>>the first segment payload length as the source of packet length and
>>count on it to represent the correct DATA length.
>>
>>We can take your interpretation to discussion in the IBTA MGTWG for
>>further discussion.
>>Is the effort for fixing it big?
> 
> 
> It's not a big deal to change it.  If the common interpretation is to only
> include the partial data size, I will change it.
I think the common interpretation is that the paylen n the first segment should present the size of the "valid" data only.
> 
> - Sean