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