Hey MKP, On Fri, 2014-01-10 at 16:01 -0500, Martin K. Petersen wrote: > >>>>> "nab" == Nicholas A Bellinger <n...@daterainc.com> writes: > > nab> This patch adds support for exposing DIF protection device > nab> attributes via configfs. This includes: > > nab> pi_prot_type: Protection Type (0, 1, 3 currently support) > nab> pi_prot_version: Protection Version (DIF v1 currently supported) > > What's DIF v2? >
This would be the proposed 16-byte protection scheme for SBC4. > nab> pi_guard_type: Guard Type (1=DIF CRC, 2=IP CRC) > > The IP checksum is only supported by DIX between OS and initiator, not > by the target. I guess we could signal to the initiator via a > vendor-private VPD that IP checksum is supported directly. But now what > we have hardware-accelerated T10 CRC I don't think it's a big deal. > > (scsi_debug supports IP checksum because it's both initiator and > target). > In that case, dropping the IP checksum related code now.. --nab -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
