From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Deven Balani <devenbalani@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Ping-Pong Compatible DMA buffer chaining
Date: Wed, 04 Jan 2006 08:43:49 +0000 [thread overview]
Message-ID: <1136364229.22598.66.camel@localhost.localdomain> (raw)
In-Reply-To: <7a37e95e0601032128l2c7d6e03v742de8dd485af9db@mail.gmail.com>
On Mer, 2006-01-04 at 10:58 +0530, Deven Balani wrote:
> My hardware has two Buffers B0 and B1 for both Tx and Rx path.
> I had to fill the first buffer initially and then _continue_ a walk
> through the sg list with help of buffer completion interrupts of B0 &
> B1.
This looks workable to me. You can possibly also use the max_Sectors
field in the sht to simplify the logic by letting the kernel split the
sg entries before they become too large for your hardware.
Alan
prev parent reply other threads:[~2006-01-04 8:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-26 6:05 Deven Balani
2006-01-03 1:08 ` Alan Cox
2006-01-04 5:28 ` Deven Balani
2006-01-04 8:43 ` Alan Cox [this message]
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