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path: root/drivers/scsi/lpfc/lpfc_nportdisc.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nportdisc.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_nportdisc.c55
1 files changed, 38 insertions, 17 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 4a0e3406e37..d513813f669 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2004-2007 Emulex. All rights reserved. *
+ * Copyright (C) 2004-2008 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@@ -249,6 +249,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
struct lpfc_hba *phba = vport->phba;
struct lpfc_dmabuf *pcmd;
+ struct lpfc_work_evt *evtp;
uint32_t *lp;
IOCB_t *icmd;
struct serv_parm *sp;
@@ -435,8 +436,14 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
del_timer_sync(&ndlp->nlp_delayfunc);
ndlp->nlp_last_elscmd = 0;
- if (!list_empty(&ndlp->els_retry_evt.evt_listp))
+ if (!list_empty(&ndlp->els_retry_evt.evt_listp)) {
list_del_init(&ndlp->els_retry_evt.evt_listp);
+ /* Decrement ndlp reference count held for the
+ * delayed retry
+ */
+ evtp = &ndlp->els_retry_evt;
+ lpfc_nlp_put((struct lpfc_nodelist *)evtp->evt_arg1);
+ }
if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
spin_lock_irq(shost->host_lock);
@@ -638,13 +645,15 @@ lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
return 0;
}
- /* Check config parameter use-adisc or FCP-2 */
- if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) ||
- ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) {
- spin_lock_irq(shost->host_lock);
- ndlp->nlp_flag |= NLP_NPR_ADISC;
- spin_unlock_irq(shost->host_lock);
- return 1;
+ if (!(vport->fc_flag & FC_PT2PT)) {
+ /* Check config parameter use-adisc or FCP-2 */
+ if ((vport->cfg_use_adisc && (vport->fc_flag & FC_RSCN_MODE)) ||
+ ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) {
+ spin_lock_irq(shost->host_lock);
+ ndlp->nlp_flag |= NLP_NPR_ADISC;
+ spin_unlock_irq(shost->host_lock);
+ return 1;
+ }
}
ndlp->nlp_flag &= ~NLP_NPR_ADISC;
lpfc_unreg_rpi(vport, ndlp);
@@ -656,7 +665,7 @@ lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
void *arg, uint32_t evt)
{
lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
- "0253 Illegal State Transition: node x%x "
+ "0271 Illegal State Transition: node x%x "
"event x%x, state x%x Data: x%x x%x\n",
ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi,
ndlp->nlp_flag);
@@ -674,7 +683,7 @@ lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
*/
if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
- "0253 Illegal State Transition: node x%x "
+ "0272 Illegal State Transition: node x%x "
"event x%x, state x%x Data: x%x x%x\n",
ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi,
ndlp->nlp_flag);
@@ -2144,8 +2153,11 @@ lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
uint32_t cur_state, rc;
uint32_t(*func) (struct lpfc_vport *, struct lpfc_nodelist *, void *,
uint32_t);
+ uint32_t got_ndlp = 0;
+
+ if (lpfc_nlp_get(ndlp))
+ got_ndlp = 1;
- lpfc_nlp_get(ndlp);
cur_state = ndlp->nlp_state;
/* DSM in event <evt> on NPort <nlp_DID> in state <cur_state> */
@@ -2162,15 +2174,24 @@ lpfc_disc_state_machine(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
rc = (func) (vport, ndlp, arg, evt);
/* DSM out state <rc> on NPort <nlp_DID> */
- lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+ if (got_ndlp) {
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"0212 DSM out state %d on NPort x%x Data: x%x\n",
rc, ndlp->nlp_DID, ndlp->nlp_flag);
- lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM,
- "DSM out: ste:%d did:x%x flg:x%x",
- rc, ndlp->nlp_DID, ndlp->nlp_flag);
+ lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM,
+ "DSM out: ste:%d did:x%x flg:x%x",
+ rc, ndlp->nlp_DID, ndlp->nlp_flag);
+ /* Decrement the ndlp reference count held for this function */
+ lpfc_nlp_put(ndlp);
+ } else {
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
+ "0212 DSM out state %d on NPort free\n", rc);
- lpfc_nlp_put(ndlp);
+ lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_DSM,
+ "DSM out: ste:%d did:x%x flg:x%x",
+ rc, 0, 0);
+ }
return rc;
}