[PATCH-v1 19/22] Fix implicit logo and RSCN handling for NVMET

[Johannes Thumshirn]

On Wed, Apr 19, 2017 at 09:46:38PM -0700, jsmart2021 at gmail.com wrote:
> From: James Smart <jsmart2021 at gmail.com>
> 
> NVMET didn't have any RSCN handling at all and
> would not execute implicit LOGO when receiving a PLOGI
> from an rport that NVMET had in state UNMAPPED.
> 
> Clean up the logic in lpfc_nlp_state_cleanup for
> initiators (FCP and NVME). NVMET should not respond to
> RSCN including allocating new ndlps so this code was
> conditionalized when nvmet_support is true.  The check
> for NLP_RCV_PLOGI in lpfc_setup_disc_node was moved
> below the check for nvmet_support to allow the NVMET
> to recover initiator nodes correctly.  The implicit
> logo was introduced with lpfc_rcv_plogi when NVMET gets
> a PLOGI on an ndlp in UNMAPPED state.  The RSCN handling
> was modified to not respond to an RSCN in NVMET.  Instead
> NVMET sends a GID_FT and determines if an NVMEP_INITIATOR
> it has is UNMAPPED but no longer in the zone membership.
> 
> Signed-off-by: Dick Kennedy <dick.kennedy at broadcom.com>
> Signed-off-by: James Smart <james.smart at broadcom.com>
> ---

Reviewed-by: Johannes Thumshirn <jthumshirn at suse.de>
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Johannes Thumshirn                                          Storage
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