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| author | Santosh Vernekar <santosh.vernekar@qlogic.com> | 2009-07-31 15:09:25 -0700 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-08-22 17:52:16 -0500 |
| commit | 55903b9d152e91d4df2ab242c33efbd33e03e499 (patch) | |
| tree | d815e4b0badb365bf296d97c39716c1725138e05 /drivers/scsi/qla2xxx | |
| parent | 9764ff8807a2455218e2ec5024e823cc09b01906 (diff) | |
| download | kernel_samsung_smdk4412-55903b9d152e91d4df2ab242c33efbd33e03e499.zip kernel_samsung_smdk4412-55903b9d152e91d4df2ab242c33efbd33e03e499.tar.gz kernel_samsung_smdk4412-55903b9d152e91d4df2ab242c33efbd33e03e499.tar.bz2 | |
[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>
Diffstat (limited to 'drivers/scsi/qla2xxx')
| -rw-r--r-- | 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 417a9b9f..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) { |