tslip wish list 6/23/93
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1. Verify the server-support tools and write installation notes for them.

2. Use gnu autoconf to build a configure script.

3. Build a pkgadd-able binary distribution.

4. Type "slip: dialing server..." on the control terminal of the users
   whose packets are queued pending dial-out (somehow).

5. Change the ioctl protocol between slattach and the driver to permit existing
   interfaces to be modified (i.e., changing dial parameters and idle 
   timeout), and permit unlinking persistently-linked interfaces.
   This would require operations analogous to the SLP_MOVE_LOWER ioctl where
   a supervisory open can manipulate arbitrary minor devices (alternatively 
   the specific minor device could be directly opened, but this would require
   a separate device file for each, rather than a single cloning device).

6. Dynamically allocate the entire driver device state at open time.
   The slp_data[] array would become just an array of pointers, so that a 
   large number of configured devices would not use up kernel memory unless
   actually used (configured by slattach).  This would be most helpful for
   servers with many dial-in lines, where interfaces were configured
   and removed dynamically.

7. Find a PPP driver and adapt it to work alongside slip, with the
   same daemon, etc.
