Re: [PATCH v2 00/17] net: introduce Qualcomm IPA driver
From: Bjorn Andersson
Date: Fri May 31 2019 - 19:31:49 EST
On Fri 31 May 12:19 PDT 2019, Arnd Bergmann wrote:
> On Fri, May 31, 2019 at 6:36 PM Alex Elder <elder@xxxxxxxxxx> wrote:
> > On 5/31/19 9:58 AM, Dan Williams wrote:
> > > On Thu, 2019-05-30 at 22:53 -0500, Alex Elder wrote:
[..]
> > So basically, the purpose of the rmnet driver is to handle QMAP
> > protocol connections, and right now that's what the modem provides.
>
> Do you have any idea why this particular design was picked?
>
>From what I've seen of QMAP it seems like a reasonable design choice to
have a software component (rmnet) dealing with this, separate from the
transport. And I think IPA is the 4th or 5th mechanism for transporting
QMAP packets back and forth to the modem.
Downstream rmnet is copyright 2007-, and I know of interest in bringing
at least one of the other transports upstream.
Regards,
Bjorn