Subject: Re: Serial port issues on Sun4/260
To: None <torek@bsdi.com>
From: Brad Walker <bwalker@musings.com>
List: port-sparc
Date: 01/17/1996 07:53:20
> From torek@BSDI.COM Tue Jan 16 13:42 PST 1996
> Date: Tue, 16 Jan 1996 14:41:39 -0700
> From: Chris Torek <torek@BSDI.COM>
> To: bwalker@musings.com, dgilbert@pci.on.ca
> Subject: Re: Serial port issues on Sun4/260
> Cc: port-sparc@NetBSD.ORG

<stuff deleted>

> 
> Thus, if you are sending from the zs chip to a modem, the modem
> can drop CTS to get the zs chip to shut up for a while, but the
> zs chip will never wiggle any signal to get the modem to shut up.
> This means you must never overflow the zs chip's fifo.
> 

This is a great reason for implementation of STREAMS.. Which I've
been working on.

The serial port code is pretty broken IMHO.. It's functional but's
needs a performance release..

-brad w.