Hi Shiraz, > From: Shiraz Saleem <shiraz.saleem@xxxxxxxxx> > Sent: Wednesday, March 24, 2021 5:30 AM > > Add two new runtime RDMA related devlink parameters to ice driver. > 'rdma_resource_limits_sel' is driver-specific while 'rdma_protocol' is generic. > Configuration changes result in unplugging the auxiliary RDMA device and re- > plugging it with updated values for irdma auxiiary driver to consume at > drv.probe() > > Signed-off-by: Shiraz Saleem <shiraz.saleem@xxxxxxxxx> > --- > .../networking/devlink/devlink-params.rst | 6 + > Documentation/networking/devlink/ice.rst | 35 +++++ > drivers/net/ethernet/intel/ice/ice_devlink.c | 146 > ++++++++++++++++++++- > drivers/net/ethernet/intel/ice/ice_devlink.h | 6 + > drivers/net/ethernet/intel/ice/ice_main.c | 2 + > include/net/devlink.h | 4 + > net/core/devlink.c | 5 + > 7 files changed, 202 insertions(+), 2 deletions(-) > [..] > +.. list-table:: Driver-specific parameters implemented > + :widths: 5 5 5 85 > + > + * - Name > + - Type > + - Mode > + - Description > + * - ``rdma_resource_limits_sel`` > + - string > + - runtime > + - Selector to limit the RDMA resources configured for the device. The > range > + is between 0 and 7 with a default value equal to 3. Each selector > supports > + up to the value specified in the table. > + - 0: 128 QPs > + - 1: 1K QPs > + - 2: 2K QPs > + - 3: 4K QPs > + - 4: 16K QPs > + - 5: 64K QPs > + - 6: 128K QPs > + - 7: 256K QPs Resources are better represented as devlink resource. Such as, $ devlink resource set pci/0000:06:00.0 /rdma/max_qps 16384 $ devlink resource set pci/0000:06:00.0 /rdma/max_cqs 8192 $ devlink resource set pci/0000:06:00.0 /rdma/max_mrs 16384 Please move from param to resource.
