On Wed, Sep 20, 2023 at 8:55 AM Jason Gunthorpe <jgg@xxxxxxxxxx> wrote: > > > > Our driver does not support iWarp, but implements IW_CM callbacks. The patch has > > > > the only fix that was needed to make it work w/o a full blown iWarp. > > > > It is hard to say without having driver in-tree and seeing the result of > > ib_device_check_mandatory() in regards of kverbs_provider variable. > > > > Does any existing in-tree driver require the proposed change in > > rdma-cm? > > Yes, lets see a driver first please. > > iWarp CM is tightly tied to iWarp, I have a hard time understanding > how you could have the CM without supporting iWarp too. Yes, it is coming. Not sure about the timeline, but the intent is to opensource the drivers. I'll defer the patch till then. The IB driver implements ib_device_ops->iw_* ops and cq/qp/mr-related kverbs. This is sufficient for CM to work with the device in principle. Thanks.
