Date: Fri, 27 Jun 1997 17:41:08 +1000 From: Bruce Evans <bde@zeta.org.au> To: bmcgover@cisco.com, hackers@freebsd.org Subject: Re: Clists limited to 1024 bytes? Message-ID: <199706270741.RAA17175@godzilla.zeta.org.au>
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>It appears that l_rint will stop passing characters up at 19200 at around 1K >(or so t_rawq.cc states). Is there any way to safely increase this to around >8K, or even 16K? The reason I ask is that the board I'm working with has an No simple way. >8K receive buffer, and I'd like (for the sake of efficiency), be able to move >nearly a full buffer of data at once, but I seem to be limited by this number. You don't want to do this. At 19200 bps, an 8K buffer takes more than 4 seconds to fill. A latency of 4 seconds is normally about 400 times too large. At such a low speed, there is normally nothing better than delivering input in tiny bursts of 19-20 characters every 10 msec. Bruce
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