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Date: Sun, 16 Nov 1997 12:15:16 +1100
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199711160115.MAA29526@godzilla.zeta.org.au>
To: current@FreeBSD.ORG, johang@mail.algonet.se
Subject: Re: ppp and ascend problems, solution
Sender: owner-freebsd-current@FreeBSD.ORG
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>The problem was that i had "flags 0x20000" in the deviceline for sio. 
>According to LINT it should enable RTS/CTS flowcontrol and that would be a 
>good thing(TM). Either it's not working with ppp or i have misunderstood 
>something

It arranges to use hardware RTS/CTS flow control if RTS/CTS flow control
is enabled in the usual way (using stty or tcsetattr()).  It can only
work for ST16650A-compatible UARTs.  It apparently doesn't actually work.

Bruce