[linux-dvb] Re: DVB-CI question

[Andrew de Quincey <adq_dvb@lidskialf.net>]

On Thursday 08 April 2004 16:04, Johannes Stezenbach wrote:
> On Sat, Mar 27, 2004 at 01:18:40PM +0000, Andrew de Quincey wrote:
> > On Friday 26 March 2004 15:14, Klaus Schmidinger wrote:
> > > Strange, from what I know a TPDU can be at most 2048 byte long...
> >
> > Out of interest, where does that 2048 figure come from? I can't see it in
> > EN50221 or R206-001. I'm wondering if its an implementation limit imposed
> > by the av7110 firmware. I can see why it would be like that; it really
> > simplifies the defragmenter (I'll probably do the same myself).
> >
> > However, the worrying thing is that I can't see how the *CAM* knows the
> > maximum TPDU size; there doesn't seem to be a protocol for negotiating
> > it. Can anyone suggest what I'm missing?
>
> Hm, unanswered questions...
>
> Is there any news about the 2048 limit?

Nope. In fact, as Robert pointed out, there is no limit on the size of a TPDU 
packet's length() field.


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