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scsi: lpfc: Add MDS Diagnostic support.

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Added code to support Cisco MDS loopback diagnostic. The diagnostics run
various loopbacks including one which loops-back frame through the
driver.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart
2017-05-15 15:20:51 -07:00
committed by Martin K. Petersen
parent dc53a61852
commit ae9e28f36a
6 changed files with 161 additions and 10 deletions
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7
drivers/scsi/lpfc/lpfc_els.c
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@@ -1047,6 +1047,13 @@ stop_rr_fcf_flogi:
irsp->ulpStatus, irsp->un.ulpWord[4],
irsp->ulpTimeout);
/* If this is not a loop open failure, bail out */
if (!(irsp->ulpStatus == IOSTAT_LOCAL_REJECT &&
((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
IOERR_LOOP_OPEN_FAILURE)))
goto flogifail;
/* FLOGI failed, so there is no fabric */
spin_lock_irq(shost->host_lock);
vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);