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Date: Mon, 17 Nov 2003 01:23:00 +0000
From: Bruce M Simpson <bms@spc.org>
To: "M. Warner Losh" <imp@bsdimp.com>
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References: <200311162233.hAGMXgIj025490@repoman.freebsd.org>
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Subject: Re: cvs commit: src/sys/dev/idt idt.c
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On Sun, Nov 16, 2003 at 03:36:08PM -0700, M. Warner Losh wrote:
> In message: <200311162233.hAGMXgIj025490@repoman.freebsd.org>
>             Warner Losh <imp@FreeBSD.org> writes:
> :   Gross kludge:
> 
> Others are welcome to find better ways to fix this.  The real fix is
> to fix the driver to not require 2048 byte mbufs.

I've looked at differences between pdq (DEC FDDI Controller) and idt(4).
It seems pdq does the right thing by specifying that it wants its buffers
to be 2048 bytes, using MCLGET() to ask for the cluster after the mbuf,
then using busdma to allocate the 2048 byte buffer.

BMS