[SCSI] lpfc 8.2.3 : Miscellaneous Small Fixes - part 2

Miscellaneous Small Fixes - part 2

- Fix ndlp left in PLOGI state after link up
- Fix cannot rcv unsol ELS frames after running HBA resets for a few minutes
- Fix HBQ buffer_count implemention
- Fix RPI leak
- Fix crash while deleting vports while HBA is reset
- Revert the FCP Fbits offset back to 7
- Fix panic when deleting vports
- Remove unused code in switch statement outside of a case
- Reject PLOGI from invalid PName or NName of 0
- Ignore PLOGI responses from WWPName or WWNName of 0
- Fix debugfs hbqinfo display for ppc
- Added 8G to list of supported speeds for sysfs parameter
- Defer ndlp cleanup to dev-loss timeout handler
- Added support for WRITE_VPARMS mailbox command by applications

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

1 files changed, 26 insertions, 4 deletions

diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index bba1fb6103f6..c654c787c3e6 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -287,6 +287,24 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
         pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
         lp = (uint32_t *) pcmd->virt;
         sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t));
+        if (wwn_to_u64(sp->portName.u.wwn) == 0) {
+                lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+                                 "0140 PLOGI Reject: invalid nname\n");
+                stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
+                stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_PNAME;
+                lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
+                        NULL);
+                return 0;
+        }
+        if (wwn_to_u64(sp->nodeName.u.wwn) == 0) {
+                lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+                                 "0141 PLOGI Reject: invalid pname\n");
+                stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
+                stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_NNAME;
+                lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
+                        NULL);
+                return 0;
+        }
         if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3) == 0)) {
                 /* Reject this request because invalid parameters */
                 stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
@@ -821,6 +839,12 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport,
 
         lp = (uint32_t *) prsp->virt;
         sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t));
+        if (wwn_to_u64(sp->portName.u.wwn) == 0 ||
+            wwn_to_u64(sp->nodeName.u.wwn) == 0) {
+                lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+                                 "0142 PLOGI RSP: Invalid WWN.\n");
+                goto out;
+        }
         if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3))
                 goto out;
         /* PLOGI chkparm OK */
@@ -906,9 +930,7 @@ out:
                                  "0261 Cannot Register NameServer login\n");
         }
 
-        /* Free this node since the driver cannot login or has the wrong
-           sparm */
-        lpfc_nlp_not_used(ndlp);
+        ndlp->nlp_flag |= NLP_DEFER_RM;
         return NLP_STE_FREED_NODE;
 }
 
@@ -1795,7 +1817,7 @@ lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 
         irsp = &rspiocb->iocb;
         if (irsp->ulpStatus) {
-                lpfc_nlp_not_used(ndlp);
+                ndlp->nlp_flag |= NLP_DEFER_RM;
                 return NLP_STE_FREED_NODE;
         }
         return ndlp->nlp_state;