From: Santosh Vernekar <santosh.vernekar@xxxxxxxxxx>
The RSCN processing is skipped if the event received is global and vha is not recipient.
Signed-off-by: Santosh Vernekar <santosh.vernekar@xxxxxxxxxx>
Signed-off-by: Giridhar Malavali <giridhar.malavali@xxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_isr.c | 24 ++++++++++++++++++++----
1 files changed, 20 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 417a9b9..00f23d2 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -598,10 +598,26 @@ skip_rio:
break;
case MBA_PORT_UPDATE: /* Port database update */
- /* Only handle SCNs for our Vport index. */
- if (mb[1] != 0xffff &&
- vha->vp_idx && vha->vp_idx != (mb[3] & 0xff))
- break;
+ /*
+ * Handle only global and vn-port update events
+ *
+ * Relevant inputs:
+ * mb[1] = N_Port handle of changed port
+ * OR 0xffff for global event
+ * mb[2] = New login state
+ * 7 = Port logged out
+ * mb[3] = LSB is vp_idx, 0xff = all vps
+ *
+ * Skip processing if:
+ * Event is global, vp_idx is NOT all vps,
+ * vp_idx does not match
+ * Event is not global, vp_idx does not match
+ */
+ if ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff)
+ || (mb[1] != 0xffff)) {
+ if (vha->vp_idx != (mb[3] & 0xff))
+ break;
+ }
/* Global event -- port logout or port unavailable. */
if (mb[1] == 0xffff && mb[2] == 0x7) {
--
1.6.2.rc1.30.gd43c
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