When pdu->dif_ctx is not NULL, call spdk_dif_set_md_interleave_iovs
in nvme_tcp_build_iovs and nvme_tcp_build_payload_iovs to create
special SGL for the data segment to leave a space of metadata for
each block.
Add UT to verify if the update works correctly.
This update is very similar with the use case of
spdk_dif_set_md_interleave_iovs in iSCSI target.
Change-Id: Ie802cb4b7c541089579ecc2a630fc1e34004da55
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/458923
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
ced3e20709