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[SCSI] qla2xxx: Skip RSCN processing on vha if event is global.

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The RSCN processing is skipped if the event received is global and vha is not recipient.

Signed-off-by: Santosh Vernekar <santosh.vernekar@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Santosh Vernekar 2009-07-31 15:09:25 -07:00 committed by James Bottomley
parent 9764ff8807
commit 55903b9d15
1 changed files with 20 additions and 4 deletions
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24
drivers/scsi/qla2xxx/qla_isr.c
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@ -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) {