[TUHS] System III - TCP/IP

[Larry McVoy]

So this seems pretty tough, 16 bit machine and all.  If you were to get
it to work it would probably be with Lachman's STREAMS based TCP/IP.
No idea if that was open sourced.

On Sat, Nov 07, 2015 at 08:03:58PM +0100, Oliver Lehmann wrote:
> Hi,
> 
> i have an old Z8001 based SysIII variant and I would love to have
> TCP/IP on it (SLIP first, later with a homebrew ethernet device).
> 
> I wonder if someone ever saw TCP/IP available on a System III?
> 
> I have lets say 90% of the kernel running on it as source
> available and I started digging in the available 4.2 BSD sources.
> 
> It looks like there would be much to do to hack in TCP/IP on my
> own (no IPC, no Net, no PTY, no....).
> 
> I got K5JB running (userland TCP/IP implementation) after I fixed
> some C code because the C Compiler available on the system is.....
> kinda limited.
> 
> telnetd is of course not working as there are no pseudo-teletypes
> on this SYSIII. At least I got ping, echoping and ftpd up and
> running via SLIP
> 
> (10.1.1.2 is my SysIII box:)
> 
> # ping -c3 10.1.1.2
> PING 10.1.1.2 (10.1.1.2): 56 data bytes
> 64 bytes from 10.1.1.2: icmp_seq=0 ttl=254 time=316.317 ms
> 64 bytes from 10.1.1.2: icmp_seq=1 ttl=254 time=297.328 ms
> 64 bytes from 10.1.1.2: icmp_seq=2 ttl=254 time=296.369 ms
> 
> --- 10.1.1.2 ping statistics ---
> 3 packets transmitted, 3 packets received, 0.0% packet loss
> round-trip min/avg/max/stddev = 296.369/303.338/316.317/9.186 ms
> # ftp 10.1.1.2
> Connected to 10.1.1.2.
> 220  FTP version K5JB.k37 ready at Tue Apr 30 22:25:47 1991
> Name (10.1.1.2:root): test
> 331 Enter PASS command
> Password:
> 230 Logged in
> ftp> get sa.timer
> local: sa.timer remote: sa.timer
> 500 Unknown command
> 500 Unknown command
> 200 Port command okay
> 150 Opening data connection for RETR sa.timer
>   2571       0.53 KB/s
> 226 File sent OK
> 2571 bytes received in 00:05 (0.48 KB/s)
> ftp> get wega
> local: wega remote: wega
> 200 Port command okay
> 150 Opening data connection for RETR wega
>  98723       0.51 KB/s
> 226 File sent OK
> 98723 bytes received in 03:05 (0.51 KB/s)
> ftp> exit
> 221 Goodbye!
> #
> 
> So I wonder if someone got anything SYSIII -> Net/TCP/IP related
> which could help me in any way to get a SYSIII kernel capable of
> TCP/IP and PTYs to get a telnetd up and running via SLIP is my
> first goal.
> 
> Regards,
> Oliver
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-- 
---
Larry McVoy            	     lm at mcvoy.com             http://www.mcvoy.com/lm