On Mon, 8 Feb 2021 09:00:37 +0100 Loic Poulain wrote: > MBIM has initially been specified by USB-IF for transporting data (IP) > between a modem and a host over USB. However some modern modems also > support MBIM over PCIe (via MHI). In the same way as QMAP(rmnet), it > allows to aggregate IP packets and to perform context multiplexing. > > This change adds minimal MBIM data transport support to MHI, allowing > to support MBIM only modems. MBIM being based on USB NCM, it reuses > and copy some helpers/functions from the USB stack (cdc-ncm, cdc-mbim). > > Note that is a subset of the CDC-MBIM specification, supporting only > transport of network data (IP), there is no support for DSS. Moreover > the multi-session (for multi-pdn) is not supported in this initial > version, but will be added latter, and aligned with the cdc-mbim > solution (VLAN tags). > > This code has been inspired from the mhi_mbim downstream implementation > (Carl Yin <carl....@quectel.com>). > > Signed-off-by: Loic Poulain <loic.poul...@linaro.org>
Sparse says: drivers/net/mhi/proto_mbim.c:159:41: warning: restricted __le32 degrades to integer
