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-rw-r--r--drivers/scsi/lpfc/lpfc_els.c26
-rw-r--r--drivers/scsi/lpfc/lpfc_hw.h1
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 842b67e37f10..32e5e99ebbd4 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -4570,6 +4570,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
int link_reset = 0, rc;
u32 ulp_status = get_job_ulpstatus(phba, rspiocb);
u32 ulp_word4 = get_job_word4(phba, rspiocb);
+ u8 rsn_code_exp = 0;
/* Note: cmd_dmabuf may be 0 for internal driver abort
@@ -4785,11 +4786,22 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
break;
case LSRJT_LOGICAL_BSY:
+ rsn_code_exp = stat.un.b.lsRjtRsnCodeExp;
if ((cmd == ELS_CMD_PLOGI) ||
(cmd == ELS_CMD_PRLI) ||
(cmd == ELS_CMD_NVMEPRLI)) {
delay = 1000;
maxretry = 48;
+
+ /* An authentication LS_RJT reason code
+ * explanation means some error in the
+ * security settings end-to-end. Reduce
+ * the retry count to allow lpfc to clear
+ * RSCN mode and not race with dev_loss.
+ */
+ if (cmd == ELS_CMD_PLOGI &&
+ rsn_code_exp == LSEXP_AUTH_REQ)
+ maxretry = 8;
} else if (cmd == ELS_CMD_FDISC) {
/* FDISC retry policy */
maxretry = 48;
@@ -4818,6 +4830,20 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
"0820 FLOGI (x%x). "
"BBCredit Not Supported\n",
stat.un.lsRjtError);
+ } else if (cmd == ELS_CMD_PLOGI) {
+ rsn_code_exp = stat.un.b.lsRjtRsnCodeExp;
+
+ /* An authentication LS_RJT reason code
+ * explanation means some error in the
+ * security settings end-to-end. Reduce
+ * the retry count to allow lpfc to clear
+ * RSCN mode and not race with dev_loss.
+ */
+ if (rsn_code_exp == LSEXP_AUTH_REQ) {
+ delay = 1000;
+ retry = 1;
+ maxretry = 8;
+ }
}
break;
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index d5c15742f7f2..71d3e60f4b20 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -724,6 +724,7 @@ struct ls_rjt { /* Structure is in Big Endian format */
#define LSEXP_OUT_OF_RESOURCE 0x29
#define LSEXP_CANT_GIVE_DATA 0x2A
#define LSEXP_REQ_UNSUPPORTED 0x2C
+#define LSEXP_AUTH_REQ 0x48
#define LSEXP_NO_RSRC_ASSIGN 0x52
uint8_t vendorUnique; /* FC Word 0, bit 0: 7 */
} b;