On 10/31/2013 02:20 PM, Sagi Grimberg wrote: > On 10/31/2013 2:55 PM, Jack Wang wrote: >> Hi Sagi, >> >> I wander what's the performance overhead with this DIF support? >> And is there a roadmap for support SRP/ISER and target side for DIF? >> >> Regards, >> Jack > > Well, all DIF operations are fully offloaded by the HCA so we don't expect > any performance degradation other than the obvious 8-bytes integrity > overhead. > We have yet to take benchmarks on this and we definitely plan to do so. > > Regarding our roadmap, we plan to support iSER target (LIO) and > initiator first. > Some prior support for DIF needs to be added in target core level, > then transport implementation is pretty straight-forward (iSER/SRP). > > So I aim for iSER DIF support (target+initiator) to make it into v3.14. > > Hope this helps, > > Sagi. Good to know, thanks
Jack -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
