[SCSI] lpfc 8.2.3 : FC Discovery Fixes

FC Discovery Fixes:
- Fix up lpfc_drop_node() vs lpfc_nlp_not_used() usage
- Clear ADISC flag when unregistering RPI and REMOVE ndlps if in recovery.
- Fix usage of UNUSED list and ndlps
- Fix PLOGI race conditions
- Reset link if NameServer PLOGI errors occur
- Synchronize GID_FT queries with PLOGI receptions

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/lpfc/lpfc_crtn.h

@@ -45,6 +45,7 @@ void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
 struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t);
 void lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove);
 int lpfc_linkdown(struct lpfc_hba *);
+void lpfc_port_link_failure(struct lpfc_vport *);
 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
 
 void lpfc_mbx_cmpl_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
@@ -74,6 +75,7 @@ void lpfc_disc_list_loopmap(struct lpfc_vport *);
 void lpfc_disc_start(struct lpfc_vport *);
 void lpfc_disc_flush_list(struct lpfc_vport *);
 void lpfc_cleanup_discovery_resources(struct lpfc_vport *);
+void lpfc_cleanup(struct lpfc_vport *);
 void lpfc_disc_timeout(unsigned long);
 
 struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
@@ -91,6 +93,8 @@ void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *);
 int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *,
 		     struct serv_parm *, uint32_t);
 int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *);
+void lpfc_more_plogi(struct lpfc_vport *);
+void lpfc_end_rscn(struct lpfc_vport *);
 int lpfc_els_chk_latt(struct lpfc_vport *);
 int lpfc_els_abort_flogi(struct lpfc_hba *);
 int lpfc_initial_flogi(struct lpfc_vport *);

drivers/scsi/lpfc/lpfc_disc.h

@@ -103,7 +103,6 @@ struct lpfc_nodelist {
 #define NLP_RM_DFLT_RPI    0x4000000	/* need to remove leftover dflt RPI */
 #define NLP_NODEV_REMOVE   0x8000000	/* Defer removal till discovery ends */
 #define NLP_TARGET_REMOVE  0x10000000   /* Target remove in process */
-#define NLP_DELAYED_RM     0x20000000   /* Defer UNUSED List removal */
 
 /* There are 4 different double linked lists nodelist entries can reside on.
  * The Port Login (PLOGI) list and Address Discovery (ADISC) list are used