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Commit 55903b9d authored Jul 31, 2009 by Santosh Vernekar Committed by James Bottomley Aug 22, 2009

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

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>

parent 9764ff88

drivers/scsi/qla2xxx/qla_isr.c

+20 −4

Original line number	Diff line number	Diff line
		@@ -598,10 +598,26 @@ qla2x00_async_event(scsi_qla_host_t vha, struct rsp_que rsp, uint16_t *mb)
		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))
		/*
		* 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) {