Re: [PATCH-v2 11/17] target/iblock: Add blk_integrity + BIP passthrough support

From: Martin K. Petersen
Date: Tue Jan 21 2014 - 20:54:37 EST

>>>>> "nab" == Nicholas A Bellinger <nab@xxxxxxxxxxxxxxx> writes:

>> Please remind me why we ignore IP-CSUM guard type again? MKP, will
>> this be irrelevant for the initiator as well? if so, I don't see a
>> reason to expose this in RDMA verbs.

nab> My understanding is that this was used for pre-production
nab> prototyping, and is not supported by any real backend storage
nab> hardware.

We are shipping several products with support for the IP checksum. But
it's between application and initiator only. From there on it's all T10
CRC as required by the spec.

Martin K. Petersen Oracle Linux Engineering
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