Re: link layer delay

[Nitin H Vaidya <vaidya@cs.tamu.edu>]

  >> From Rodney.Vanmeter@quantum.com Wed Sep 23 14:48:58 1998
  >> 
  >> So, I'm digging through the code, trying to understand a bunch of things.
  >> 
  >> I've got a pretty simple question this time around, though:
  >> 
  >> In LL::sendto() there's a delay of 1 microsecond before it sends the packet
  >> on up to the ULP.

The reason for scheduling the &intr in LL::sendto is to
unblock the queue_ for the link.
The delay in unblocking is 0.000001 in your version.
This delay was changed to   txtime(p) - delay_   in more
recent versions.
I believe that this contains a bug. The delay
should actually be txtime(p) 

- nitin
    



  >> 
  >> No explanation of why.  Any ideas?
  >> 
  >> Email preferred for an answer...
  >> 
  >> 		Thanks,
  >> 
  >> 			--Rod
  >> 
  >>