scsi: lpfc: Decrement outstanding gidft_inp counter if lpfc_err_lost_link()

scsi: lpfc: Decrement outstanding gidft_inp counter if lpfc_err_lost_link()

During large NPIV port testing, it was sometimes seen that not all vports
would log back in to the target device.

There are instances when the fabric is slow to respond to a spam of GID_PT
requests and as a result the SLI PORT may abort the GID_PT request because
the fabric takes so long.  lpfc_cmpl_ct_cmd_gid_pt() would enter the
lpfc_err_lost_link() logic and attempt to lpfc_els_flush_rscn(), which is
fine, but forgets to decrement the gidft_inp counter.  This results in a
vport->gidft_inp never reaching 0 and never restarting discovery again.

Decrement vport->gidft_inp if lpfc_err_lost_link() is true for both
lpfc_cmpl_ct_cmd_gid_pt() and lpfc_cmpl_ct_cmd_gid_ft().

Increase logging info during RSCN timeout and lpfc_err_lost_link() events.

Link: https://lore.kernel.org/r/20220506035519.50908-8-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>