On Wed, Feb 17, 2021 at 04:58:45PM +0100, Horatiu Vultur wrote: > > If a driver implements full MRP offload for a ring/interconnect > > manager/automanager, should it return -EOPNOTSUPP when sw_backup=false? > > In that case it should return 0. > So if the driver can: > - fully support MRP, when sw_backup = false, return 0. Then end of story. > - partially support MRP, when sw_backup = false, return -EOPNOTSUPP, > when sw_backup = true, return 0. > - no support at all, return -EOPNOTSUPP. Damn, I asked the wrong question. I meant to ask about what it should return when sw_backup=true. But you answered anyway that if it returns 0 when sw_backup=false, it can simply not deal with the case where sw_backup=true, because that is never supposed to happen.
