On Wed, 2019-06-19 at 12:47 -0600, Subash Abhinov Kasiviswanathan wrote: > > > There is a n:1 relationship between rmnet and IPA. > > > rmnet does the de-muxing to multiple netdevs based on the mux id > > > in the MAP header for RX packets and vice versa. > > > > Oh, so you mean that even though IPA supports multiple channels > > and multiple netdev instances for a physical device, all the > > rmnet devices end up being thrown into a single channel in IPA? > > > > What are the other channels for in IPA? I understand that there > > is one channel for commands that is separate, while the others > > are for network devices, but that seems to make no sense if > > we only use a single channel for rmnet data. > > > > AFAIK, the other channels are for use cases like tethering. > There is only a single channel which is used for RX > data which is then de-muxed using rmnet. That seems odd, since tethering is no different than any other data channel in QMI, just that it may have a different APN and QoS guarantees. Dan
