[SCSI] qla4xxx: update function qla4xxx_isr_decode_mailbox()

- Added MBOX_ASTS_DUPLICATE_IP AEN handling.
- Update MBOX_AEN_REG_COUNT to 8 so that driver will save status
  of all mbox registers in aen_q

Signed-off-by: Prasanna Mumbai <prasanna.mumbai@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <jbottomley@parallels.com>

2 files changed, 9 insertions, 6 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index 4757878d59dd..75edfba92f48 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -115,7 +115,7 @@
 #define INVALID_ENTRY           0xFFFF
 #define MAX_CMDS_TO_RISC        1024
 #define MAX_SRBS                MAX_CMDS_TO_RISC
-#define MBOX_AEN_REG_COUNT      5
+#define MBOX_AEN_REG_COUNT      8
 #define MAX_INIT_RETRIES        5
 
 /*
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index 2f40ac761cd4..67d6651cdb36 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -541,6 +541,7 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
                 case MBOX_ASTS_UNSOLICITED_PDU_RECEIVED:  /* Connection mode */
                 case MBOX_ASTS_IPSEC_SYSTEM_FATAL_ERROR:
                 case MBOX_ASTS_SUBNET_STATE_CHANGE:
+                case MBOX_ASTS_DUPLICATE_IP:
                         /* No action */
                         DEBUG2(printk("scsi%ld: AEN %04x\n", ha->host_no,
                                       mbox_status));
@@ -593,11 +594,13 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha,
                                             mbox_sts[i];
 
                                 /* print debug message */
-                                DEBUG2(printk("scsi%ld: AEN[%d] %04x queued"
-                                    " mb1:0x%x mb2:0x%x mb3:0x%x mb4:0x%x\n",
-                                    ha->host_no, ha->aen_in, mbox_sts[0],
-                                    mbox_sts[1], mbox_sts[2],  mbox_sts[3],
-                                    mbox_sts[4]));
+                                DEBUG2(printk("scsi%ld: AEN[%d] %04x queued "
+                                              "mb1:0x%x mb2:0x%x mb3:0x%x "
+                                              "mb4:0x%x mb5:0x%x\n",
+                                              ha->host_no, ha->aen_in,
+                                              mbox_sts[0], mbox_sts[1],
+                                              mbox_sts[2], mbox_sts[3],
+                                              mbox_sts[4], mbox_sts[5]));
 
                                 /* advance pointer */
                                 ha->aen_in++;