Simple udp echo problem

Leon Pollak leonp at plris.com
Mon Jan 28 11:14:10 CST 2008


On Monday, 28 בJanuary 2008, you wrote:
> Leon Pollak wrote:
> > On Monday, 28 בJanuary 2008, Thomas Doerfler wrote:
> >> Hi Leon,
> >>
> >> this is just a bad guess:
> >>
> >> is it possible that your networking driver does not PAD short transmit
> >> frames to the minimum length of 64 bytes (total packet length)? Some
> >> network controllers (including the *QUICC* family from Freescale) allows
> >> to switch this padding off (or to define the minimum transmit packet
> >> length) and this would make the device send short packets. Most switches
> >> (and receivers) would ignore these packets.
> >>
> >> wkr,
> >> Thomas.
> >
> > Thomas,
> >
> > You hit the bull in the eye!!!
>
> Nice one Thomas. :-D
>
> Is this a driver in the RTEMS source tree?  If so, we need
> a patch.
It is not, but easily can be.
This is MPC8247, which is derivative from mpc8260.
Driver is for FCC, designed to run on all FCC's but just now testing is done 
on FCC1 only.

-- 
Leon 



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