[SCSI] qla2xxx: Implement FCP priority tagging for 82xx adapters.

This provides a capability to set a priority in the FCP packet.

Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index ec73cc191273..05931e6469aa 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -5642,6 +5642,11 @@ qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
         if (priority < 0)
                 return QLA_FUNCTION_FAILED;
 
+        if (IS_QLA82XX(vha->hw)) {
+                fcport->fcp_prio = priority & 0xf;
+                return QLA_SUCCESS;
+        }
+
         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
         if (ret == QLA_SUCCESS) {
                 if (fcport->fcp_prio != priority)
@@ -5650,7 +5655,7 @@ qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
                             "port_id=%02x%02x%02x.\n", priority,
                             fcport->loop_id, fcport->d_id.b.domain,
                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
-                fcport->fcp_prio = priority;
+                fcport->fcp_prio = priority & 0xf;
         } else
                 ql_dbg(ql_dbg_user, vha, 0x704f,
                     "Unable to update FCP_CMND priority - ret=0x%x for "