Subject: Re: LANCE (Am7990) DMA
To: Matt Thomas <email@example.com>
From: Jason Thorpe <firstname.lastname@example.org>
Date: 10/05/1998 21:14:22
On Mon, 05 Oct 1998 21:27:53 -0700
Matt Thomas <email@example.com> wrote:
> Am I reading the lance code correctly in that none
> of the le drivers actually do DMA directly to/from
> mbufs but actually have other buffers they DMA with
> and then copy to/from mbufs from those buffers?
That's correct... that's the way the driver is currently structured.
Note, that's safest for e.g. ISA-based LANCE boards, as well as any boards
where it can only DMA to on-board memory.
Jason R. Thorpe firstname.lastname@example.org
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