On Mon, 2021-01-25 at 17:00 +0100, Bjørn Mork wrote:
> Dan Williams <d...@redhat.com> writes:
> > On Mon, 2021-01-25 at 00:33 -0700, Subash Abhinov Kasiviswanathan
> > wrote:
> > > Pass through mode is to allow packets in MAP format to be passed
> > > on to the stack. rmnet driver can be used to process and
> > > demultiplex
> > > these packets.
> > > 
> > > Pass through mode can be enabled when the device is in raw ip
> > > mode
> > > only.
> > > Conversely, raw ip mode cannot be disabled when pass through mode
> > > is
> > > enabled.
> > > 
> > > Userspace can use pass through mode in conjunction with rmnet
> > > driver
> > > through the following steps-
> > > 
> > > 1. Enable raw ip mode on qmi_wwan device
> > > 2. Enable pass through mode on qmi_wwan device
> > > 3. Create a rmnet device with qmi_wwan device as real device
> > > using
> > > netlink
> > 
> > This option is module-wide, right?
> > 
> > eg, if there are multiple qmi_wwan-driven devices on the system,
> > *all*
> > of them must use MAP + passthrough, or none of them can, right?
> 
> No, this is a per-netdev setting, just like the raw-ip flag.

Thanks for setting me straight. Glad to hear it.
Dan

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